DepSurf

Function: sk_forward_alloc_add

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Duplicate, Full Inline ⚠️

  Collision: Static Duplication

  Inline: Full

  Transformation: False

  Instances:

  In io_uring/net.c (ffffffff8181ac54)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - io_uring/net.c:io_sg_from_iter
  

  In net/core/sock.c (ffffffff81ec96a7)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/core/sock.c:sock_rfree
    - net/core/sock.c:sock_rfree
    - net/core/sock.c:sk_setsockopt
    - net/core/sock.c:sk_setsockopt
    - net/core/sock.c:__sock_queue_rcv_skb
    - net/core/sock.c:__sock_queue_rcv_skb
    - net/core/sock.c:__sock_queue_rcv_skb
    - net/core/sock.c:sk_clear_memalloc
  

  In net/core/datagram.c (ffffffff81ede43c)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/core/datagram.c:__zerocopy_sg_from_iter
  

  In net/core/filter.c (ffffffff81f30017)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/core/filter.c:bpf_msg_pop_data
    - net/core/filter.c:bpf_msg_push_data
  

  In net/core/skmsg.c (ffffffff81f656bb)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/core/skmsg.c:sk_psock_backlog
    - net/core/skmsg.c:sk_psock_skb_ingress_self
    - net/core/skmsg.c:sk_msg_recvmsg
    - net/core/skmsg.c:sk_msg_zerocopy_from_iter
    - net/core/skmsg.c:sk_msg_trim
    - net/core/skmsg.c:__sk_msg_free_partial
    - net/core/skmsg.c:sk_msg_free_elem
    - net/core/skmsg.c:sk_msg_return
    - net/core/skmsg.c:sk_msg_return_zero
    - net/core/skmsg.c:sk_msg_return_zero
    - net/core/skmsg.c:sk_msg_clone
    - net/core/skmsg.c:sk_msg_alloc
  

  In net/netlink/af_netlink.c (ffffffff81f85ded)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/netlink/af_netlink.c:netlink_skb_set_owner_r
  

  In net/ipv4/tcp.c (ffffffff81fd41a6)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_write_queue_purge
    - net/ipv4/tcp.c:tcp_sendmsg_locked
    - net/ipv4/tcp.c:tcp_sendmsg_locked
    - net/ipv4/tcp.c:tcp_downgrade_zcopy_pure
    - net/ipv4/tcp.c:tcp_remove_empty_skb
    - net/ipv4/tcp.c:tcp_remove_empty_skb
    - net/ipv4/tcp.c:tcp_skb_entail
  

  In net/ipv4/tcp_input.c (ffffffff81fda1b6)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/ipv4/tcp_input.c:tcp_collapse
    - net/ipv4/tcp_input.c:tcp_queue_rcv
    - net/ipv4/tcp_input.c:tcp_data_queue_ofo
    - net/ipv4/tcp_input.c:tcp_try_coalesce
    - net/ipv4/tcp_input.c:tcp_shifted_skb
    - net/ipv4/tcp_input.c:tcp_shifted_skb
  

  In net/ipv4/tcp_output.c (ffffffff81fe509d)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/ipv4/tcp_output.c:tcp_connect_queue_skb
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_send_synack
    - net/ipv4/tcp_output.c:tcp_send_fin
    - net/ipv4/tcp_output.c:sk_forced_mem_schedule
    - net/ipv4/tcp_output.c:tcp_retrans_try_collapse
    - net/ipv4/tcp_output.c:tcp_retrans_try_collapse
    - net/ipv4/tcp_output.c:tcp_write_xmit
    - net/ipv4/tcp_output.c:tcp_mtu_probe
    - net/ipv4/tcp_output.c:tcp_trim_head
    - net/ipv4/tcp_output.c:tcp_fragment
  

  In net/ipv4/tcp_fastopen.c (ffffffff81ffd99a)
  Location: include/net/sock.h:1027
  Inline: True
  

  In net/ipv4/udp.c (ffffffff82006ff0)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/ipv4/udp.c:__udp_enqueue_schedule_skb
    - net/ipv4/udp.c:udp_rmem_release
    - net/ipv4/udp.c:udp_rmem_release
  

  In net/ipv4/tcp_bpf.c (ffffffff8204e6b6)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/ipv4/tcp_bpf.c:tcp_bpf_send_verdict
    - net/ipv4/tcp_bpf.c:tcp_bpf_push
  

  In net/xfrm/espintcp.c (ffffffff82075230)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/xfrm/espintcp.c:espintcp_sendskmsg_locked
    - net/xfrm/espintcp.c:handle_nonesp
  

  In net/ipv6/tcp_ipv6.c (ffffffff820cc1b9)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/ipv6/tcp_ipv6.c:tcp_v6_do_rcv
    - net/ipv6/tcp_ipv6.c:tcp_v6_syn_recv_sock
  

  In net/packet/af_packet.c (ffffffff820faf04)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/packet/af_packet.c:tpacket_rcv
    - net/packet/af_packet.c:packet_rcv
  

  In net/mptcp/protocol.c (ffffffff8214c5d8)
  Location: include/net/sock.h:1027
  Inline: True
  Inline callers:
    - net/mptcp/protocol.c:mptcp_destroy_common
    - net/mptcp/protocol.c:mptcp_sendmsg
    - net/mptcp/protocol.c:mptcp_sendmsg_frag
    - net/mptcp/protocol.c:__mptcp_clean_una
    - net/mptcp/protocol.c:dfrag_clear
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences