DepSurf

Function: pskb_expand_head

Status

Regular

• In 4.4: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff817088d0)
  Location: net/core/skbuff.c:1190
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_n_string
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:skb_pad
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/dev.c:__skb_gso_segment
    - net/core/netpoll.c:netpoll_start_xmit
    - net/ipv4/ip_input.c:ip_rcv_finish
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff817088d0-ffffffff81708b15: pskb_expand_head (STB_GLOBAL)
  

• In 4.8: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81770280)
  Location: net/core/skbuff.c:1195
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/ipv4/ip_input.c:ip_rcv_finish
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81770280-ffffffff817704c6: pskb_expand_head (STB_GLOBAL)
  

• In 4.10: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8179d3f0)
  Location: net/core/skbuff.c:1195
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/ipv4/ip_input.c:ip_rcv_finish
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff8179d3f0-ffffffff8179d636: pskb_expand_head (STB_GLOBAL)
  

• In 4.13: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff817bb680)
  Location: net/core/skbuff.c:1197
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/ipv4/ip_input.c:ip_rcv_finish
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff817bb680-ffffffff817bb8d5: pskb_expand_head (STB_GLOBAL)
  

• In 4.15: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff818346c0)
  Location: net/core/skbuff.c:1441
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:do_xdp_generic
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/ipv4/ip_input.c:ip_rcv_finish
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff818346c0-ffffffff8183498b: pskb_expand_head (STB_GLOBAL)
  

• In 4.18: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8187e5a0)
  Location: net/core/skbuff.c:1443
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_finish
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff8187e5a0-ffffffff8187e887: pskb_expand_head (STB_GLOBAL)
  

• In 5.0: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8189f760)
  Location: net/core/skbuff.c:1453
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:sk_skb_change_tail
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_fragment.c:ip_defrag
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/reassembly.c:ipv6_frag_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff8189f760-ffffffff8189fa38: pskb_expand_head (STB_GLOBAL)
  

• In 5.3: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff818e9fa0)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:sk_skb_change_tail
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff818e9fa0-ffffffff818ea270: pskb_expand_head (STB_GLOBAL)
  

• In 5.4: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8191c120)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff8191c120-ffffffff8191c3f0: pskb_expand_head (STB_GLOBAL)
  

• In 5.8: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff819eff10)
  Location: net/core/skbuff.c:1611
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_vlan
    - net/core/dev.c:__skb_gso_segment
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_net_shrink
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_proto_6_to_4
    - net/core/filter.c:bpf_skb_proto_4_to_6
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm6_remove_beet_encap
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff819eff10-ffffffff819f0275: pskb_expand_head (STB_GLOBAL)
  

• In 5.11: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff819efbc0)
  Location: net/core/skbuff.c:1622
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_vlan
    - net/core/dev.c:__skb_gso_segment
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_shrink
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_proto_6_to_4
    - net/core/filter.c:bpf_skb_proto_4_to_6
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm6_remove_beet_encap
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff819efbc0-ffffffff819eff25: pskb_expand_head (STB_GLOBAL)
  

• In 5.13: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff819d3820)
  Location: net/core/skbuff.c:1664
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_vlan
    - net/core/dev.c:__skb_gso_segment
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm6_remove_beet_encap
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/ip6_output.c:ip6_finish_output2
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff819d3820-ffffffff819d3b73: pskb_expand_head (STB_GLOBAL)
  

• In 5.15: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81a83590)
  Location: net/core/skbuff.c:1685
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:skb_shift
    - net/core/skbuff.c:skb_shift
    - net/core/skbuff.c:skb_shift
    - net/core/skbuff.c:skb_shift
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_expand_head
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:validate_xmit_vlan
    - net/core/dev.c:__skb_gso_segment
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm6_remove_beet_encap
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output_core
    - net/ipv6/seg6_iptunnel.c:seg6_input_core
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/ipv6/ioam6_iptunnel.c:ioam6_output
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_inline
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81a83590-ffffffff81a838c3: pskb_expand_head (STB_GLOBAL)
  

• In 5.19: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81bf8c90)
  Location: net/core/skbuff.c:1679
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_expand_head
    - net/core/skbuff.c:__skb_unclone_keeptruesize
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:__skb_gso_segment
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm6_remove_beet_encap
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output_core
    - net/ipv6/seg6_iptunnel.c:seg6_input_core
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/ipv6/ioam6_iptunnel.c:ioam6_output
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_encap
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_inline
    - net/ipv6/ip6_offload.c:ipv6_gso_segment
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81bf8c90-ffffffff81bf8fe6: pskb_expand_head (STB_GLOBAL)
  

• In 6.2: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81da7ba0)
  Location: net/core/skbuff.c:1878
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_expand_head
    - net/core/skbuff.c:__skb_unclone_keeptruesize
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:__skb_gso_segment
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm_prepare_input
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output_core
    - net/ipv6/seg6_iptunnel.c:seg6_input_core
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap_red
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/ipv6/ioam6_iptunnel.c:ioam6_output
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_encap
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_inline
    - net/ipv6/ip6_offload.c:ipv6_hopopt_jumbo_remove
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81da7ba0-ffffffff81da7f0b: pskb_expand_head (STB_GLOBAL)
  

• In 6.5: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81e16630)
  Location: net/core/skbuff.c:2030
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_expand_head
    - net/core/skbuff.c:__skb_unclone_keeptruesize
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/gso.c:__skb_gso_segment
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm_prepare_input
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output_core
    - net/ipv6/seg6_iptunnel.c:seg6_input_core
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap_red
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/ipv6/ioam6_iptunnel.c:ioam6_output
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_encap
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_inline
    - net/ipv6/ip6_offload.c:ipv6_hopopt_jumbo_remove
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81e16630-ffffffff81e169f3: pskb_expand_head (STB_GLOBAL)
  

• In 6.8: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81ed3a50)
  Location: net/core/skbuff.c:2118
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_napi_alloc_frags
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_ensure_writable_head_tail
    - net/core/skbuff.c:skb_reorder_vlan_header
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:skb_segment_list
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_expand_head
    - net/core/skbuff.c:__skb_unclone_keeptruesize
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:sk_skb_adjust_room
    - net/core/filter.c:bpf_skb_net_grow
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/gso.c:__skb_gso_segment
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_xmit
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/sched/sch_frag.c:sch_frag_xmit
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_input.c:ip_rcv_options
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmpv6
    - net/ipv4/ip_tunnel_core.c:iptunnel_pmtud_build_icmp
    - net/ipv4/ip_tunnel_core.c:iptunnel_handle_offloads
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:__xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm_prepare_input
    - net/xfrm/xfrm_input.c:xfrm6_remove_tunnel_encap
    - net/xfrm/xfrm_input.c:xfrm4_remove_tunnel_encap
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_rpl_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/udp_offload.c:udp6_ufo_fragment
    - net/ipv6/xfrm6_input.c:__xfrm6_udp_encap_rcv
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output_core
    - net/ipv6/seg6_iptunnel.c:seg6_input_core
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap_red
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/ipv6/ioam6_iptunnel.c:ioam6_output
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_encap
    - net/ipv6/ioam6_iptunnel.c:ioam6_do_inline
    - net/ipv6/ip6_offload.c:ipv6_hopopt_jumbo_remove
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81ed3a50-ffffffff81ed3e10: pskb_expand_head (STB_GLOBAL)
  

Arch

• In arm64: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffff800010bb66d8)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:sk_skb_change_tail
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffff800010bb66d8-ffff800010bb69b0: pskb_expand_head (STB_GLOBAL)
  

• In armhf: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (c0cd3578)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:sk_skb_change_tail
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_input.c:xfrm_inner_mode_input
    - net/xfrm/xfrm_input.c:xfrm_inner_mode_input
    - net/xfrm/xfrm_input.c:xfrm_inner_mode_input
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  c0cd3578-c0cd382c: pskb_expand_head (STB_GLOBAL)
  

• In ppc64el: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (c000000000c8deb0)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:sk_skb_change_tail
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  c000000000c8deb0-c000000000c8e264: pskb_expand_head (STB_GLOBAL)
  

• In riscv64: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffe000746430)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:sk_skb_change_tail
    - net/core/filter.c:bpf_skb_change_tail
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_one
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffe000746430-ffffffe000746676: pskb_expand_head (STB_GLOBAL)
  

Flavor

• In aws: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff818bc120)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff818bc120-ffffffff818bc3f0: pskb_expand_head (STB_GLOBAL)
  

• In azure: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff81876060)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/vxlan.c:vxlan_build_skb
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ip_tunnel.c:ip_tunnel_xmit
    - net/ipv4/ip_tunnel.c:ip_md_tunnel_xmit
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff81876060-ffffffff81876330: pskb_expand_head (STB_GLOBAL)
  

• In gcp: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8190d120)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff8190d120-ffffffff8190d3f0: pskb_expand_head (STB_GLOBAL)
  

• In lowlatency: ✅

  int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In net/core/skbuff.c (ffffffff8192e250)
  Location: net/core/skbuff.c:1612
  Inline: False
  Direct callers:
    - kernel/audit.c:audit_log_n_string
    - kernel/audit.c:audit_log_n_hex
    - kernel/audit.c:audit_log_vformat
    - kernel/audit.c:audit_log_vformat
    - drivers/net/tun.c:tun_get_user
    - drivers/net/ppp/ppp_generic.c:ppp_receive_nonmp_frame
    - drivers/net/ppp/ppp_generic.c:ppp_start_xmit
    - net/core/skbuff.c:skb_mpls_push
    - net/core/skbuff.c:skb_vlan_push
    - net/core/skbuff.c:skb_vlan_untag
    - net/core/skbuff.c:skb_cow_data
    - net/core/skbuff.c:skb_segment
    - net/core/skbuff.c:__pskb_pull_tail
    - net/core/skbuff.c:___pskb_trim
    - net/core/skbuff.c:__skb_pad
    - net/core/skbuff.c:skb_realloc_headroom
    - net/core/skbuff.c:skb_copy_ubufs
    - net/core/dev.c:netif_receive_generic_xdp
    - net/core/dev.c:validate_xmit_skb
    - net/core/dev.c:__skb_gso_segment
    - net/core/dev.c:skb_checksum_help
    - net/core/filter.c:bpf_lwt_seg6_adjust_srh
    - net/core/filter.c:sk_skb_change_head
    - net/core/filter.c:bpf_skb_change_head
    - net/core/filter.c:bpf_skb_grow_rcsum
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_adjust_room
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/filter.c:bpf_skb_change_proto
    - net/core/netpoll.c:netpoll_start_xmit
    - net/core/lwt_bpf.c:bpf_lwt_push_ip_encap
    - net/core/lwt_bpf.c:bpf_lwt_xmit_reroute
    - net/netlink/af_netlink.c:netlink_trim
    - net/bpf/test_run.c:bpf_prog_test_run_skb
    - net/ipv4/ip_forward.c:ip_forward
    - net/ipv4/tcp_output.c:__tcp_retransmit_skb
    - net/ipv4/tcp_output.c:tcp_fragment
    - net/ipv4/inet_fragment.c:inet_frag_reasm_prepare
    - net/ipv4/ip_tunnel_core.c:__iptunnel_pull_header
    - net/ipv4/ipmr.c:ipmr_queue_xmit
    - net/ipv4/netfilter.c:ip_route_me_harder
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_delattr
    - net/ipv4/cipso_ipv4.c:cipso_v4_skbuff_setattr
    - net/ipv4/xfrm4_input.c:xfrm4_udp_encap_rcv
    - net/xfrm/xfrm_output.c:xfrm_output_resume
    - net/ipv6/ip6_output.c:ip6_forward
    - net/ipv6/exthdrs.c:ipv6_rthdr_rcv
    - net/ipv6/exthdrs.c:ipv6_srh_rcv
    - net/ipv6/exthdrs.c:ipv6_dest_hao
    - net/ipv6/ip6mr.c:ip6mr_forward2
    - net/ipv6/netfilter.c:ip6_route_me_harder
    - net/ipv6/calipso.c:calipso_skbuff_delattr
    - net/ipv6/calipso.c:calipso_skbuff_setattr
    - net/ipv6/seg6_iptunnel.c:seg6_output
    - net/ipv6/seg6_iptunnel.c:seg6_input
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_inline
    - net/ipv6/seg6_iptunnel.c:seg6_do_srh_encap
    - net/ipv6/seg6_local.c:decap_and_validate
    - net/strparser/strparser.c:__strp_recv
    - net/strparser/strparser.c:__strp_recv
    - net/8021q/vlan_core.c:vlan_do_receive
  

  Symbols:

  ffffffff8192e250-ffffffff8192e520: pskb_expand_head (STB_GLOBAL)
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅