DepSurf

Function: `__get_random_u32_below`

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: ✅

u32 __get_random_u32_below(u32 ceil);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In drivers/char/random.c (ffffffff81a93b50)
Location: drivers/char/random.c:535
Inline: False
Direct callers:
  - arch/x86/entry/vdso/vma.c:arch_setup_additional_pages
  - kernel/time/clocksource.c:clocksource_verify_choose_cpus
  - kernel/cgroup/cpuset.c:node_random
  - kernel/bpf/core.c:bpf_jit_binary_pack_alloc
  - kernel/bpf/core.c:bpf_jit_binary_alloc
  - mm/swapfile.c:__do_sys_swapon
  - mm/swapfile.c:set_cluster_next
  - mm/slub.c:shuffle_freelist
  - mm/memory-tiers.c:next_demotion_node
  - fs/ext4/ialloc.c:find_group_orlov
  - lib/sbitmap.c:__sbitmap_queue_get_batch
  - lib/sbitmap.c:sbitmap_get_shallow
  - lib/sbitmap.c:sbitmap_get
  - lib/sbitmap.c:sbitmap_init_node
  - drivers/pci/p2pdma.c:pci_p2pmem_find_many
  - net/core/neighbour.c:neigh_proc_base_reachable_time
  - net/core/neighbour.c:neightbl_set
  - net/core/neighbour.c:neigh_table_init
  - net/core/neighbour.c:neigh_parms_alloc
  - net/core/neighbour.c:pneigh_enqueue
  - net/core/neighbour.c:neigh_periodic_work
  - net/ipv4/route.c:__ip_select_ident
  - net/ipv4/tcp_input.c:tcp_send_challenge_ack
  - net/ipv4/tcp_plb.c:tcp_plb_update_state_upon_rto
  - net/ipv4/igmp.c:igmp_heard_query
  - net/ipv4/igmp.c:igmp_ifc_timer_expire
  - net/xfrm/xfrm_state.c:xfrm_alloc_spi
  - net/ipv6/addrconf.c:addrconf_dad_kick
  - net/ipv6/mcast.c:mld_ifc_work
  - net/ipv6/mcast.c:mld_dad_work
  - net/ipv6/mcast.c:ipv6_mc_dad_complete
  - net/packet/af_packet.c:packet_rcv_fanout

Symbols:

ffffffff81a93b50-ffffffff81a93bbb: __get_random_u32_below (STB_GLOBAL)

In 6.5: ✅

u32 __get_random_u32_below(u32 ceil);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In drivers/char/random.c (ffffffff81adf640)
Location: drivers/char/random.c:535
Inline: False
Direct callers:
  - arch/x86/entry/vdso/vma.c:arch_setup_additional_pages
  - kernel/sched/fair.c:init_cfs_bandwidth
  - kernel/time/clocksource.c:clocksource_verify_choose_cpus
  - kernel/cgroup/cpuset.c:cpuset_slab_spread_node
  - kernel/cgroup/cpuset.c:cpuset_mem_spread_node
  - kernel/bpf/core.c:bpf_jit_binary_pack_alloc
  - kernel/bpf/core.c:bpf_jit_binary_alloc
  - mm/slab_common.c:cache_random_seq_create
  - mm/swapfile.c:__do_sys_swapon
  - mm/swapfile.c:set_cluster_next
  - mm/slub.c:shuffle_freelist
  - mm/memory-tiers.c:next_demotion_node
  - fs/ext4/ialloc.c:find_group_orlov
  - lib/sbitmap.c:__sbitmap_queue_get_batch
  - lib/sbitmap.c:sbitmap_get_shallow
  - lib/sbitmap.c:sbitmap_get
  - lib/sbitmap.c:sbitmap_init_node
  - drivers/pci/p2pdma.c:pci_p2pmem_find_many
  - net/core/neighbour.c:neigh_proc_base_reachable_time
  - net/core/neighbour.c:neightbl_set
  - net/core/neighbour.c:neigh_table_init
  - net/core/neighbour.c:neigh_parms_alloc
  - net/core/neighbour.c:pneigh_enqueue
  - net/core/neighbour.c:neigh_periodic_work
  - net/ipv4/route.c:__ip_select_ident
  - net/ipv4/tcp_input.c:tcp_send_challenge_ack
  - net/ipv4/tcp_plb.c:tcp_plb_update_state_upon_rto
  - net/ipv4/igmp.c:igmp_heard_query
  - net/ipv4/igmp.c:igmp_ifc_timer_expire
  - net/xfrm/xfrm_state.c:xfrm_alloc_spi
  - net/ipv6/addrconf.c:addrconf_dad_kick
  - net/ipv6/mcast.c:mld_ifc_work
  - net/ipv6/mcast.c:mld_dad_work
  - net/ipv6/mcast.c:ipv6_mc_dad_complete
  - net/packet/af_packet.c:packet_rcv_fanout

Symbols:

ffffffff81adf640-ffffffff81adf6aa: __get_random_u32_below (STB_GLOBAL)

In 6.8: ✅

u32 __get_random_u32_below(u32 ceil);

Collision: Unique Global

Inline: No

Transformation: False

Instances:

In drivers/char/random.c (ffffffff81b32a60)
Location: drivers/char/random.c:535
Inline: False
Direct callers:
  - arch/x86/entry/vdso/vma.c:arch_setup_additional_pages
  - kernel/sched/fair.c:init_cfs_bandwidth
  - kernel/time/clocksource.c:clocksource_verify_choose_cpus
  - kernel/cgroup/cpuset.c:cpuset_slab_spread_node
  - kernel/cgroup/cpuset.c:cpuset_mem_spread_node
  - kernel/bpf/core.c:bpf_jit_binary_pack_alloc
  - kernel/bpf/core.c:bpf_jit_binary_alloc
  - mm/slab_common.c:cache_random_seq_create
  - mm/slub.c:shuffle_freelist
  - mm/swapfile.c:__do_sys_swapon
  - mm/swapfile.c:set_cluster_next
  - mm/memory-tiers.c:next_demotion_node
  - fs/ext4/ialloc.c:find_group_orlov
  - lib/sbitmap.c:__sbitmap_queue_get_batch
  - lib/sbitmap.c:sbitmap_get_shallow
  - lib/sbitmap.c:sbitmap_get
  - lib/sbitmap.c:sbitmap_init_node
  - drivers/pci/p2pdma.c:pci_p2pmem_find_many
  - net/core/neighbour.c:neigh_proc_base_reachable_time
  - net/core/neighbour.c:neightbl_set
  - net/core/neighbour.c:neigh_table_init
  - net/core/neighbour.c:neigh_parms_alloc
  - net/core/neighbour.c:pneigh_enqueue
  - net/core/neighbour.c:neigh_periodic_work
  - net/ipv4/route.c:__ip_select_ident
  - net/ipv4/tcp_input.c:tcp_send_challenge_ack
  - net/ipv4/tcp_plb.c:tcp_plb_update_state_upon_rto
  - net/ipv4/igmp.c:igmp_heard_query
  - net/ipv4/igmp.c:igmp_ifc_timer_expire
  - net/ipv4/igmp.c:igmp_start_timer
  - net/xfrm/xfrm_state.c:xfrm_alloc_spi
  - net/ipv6/addrconf.c:addrconf_dad_kick
  - net/ipv6/mcast.c:mld_ifc_work
  - net/ipv6/mcast.c:mld_dad_work
  - net/ipv6/mcast.c:ipv6_mc_dad_complete
  - net/packet/af_packet.c:packet_rcv_fanout

Symbols:

ffffffff81b32a60-ffffffff81b32aca: __get_random_u32_below (STB_GLOBAL)

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

Regular

No changes between 6.2 and 6.5 ✅
No changes between 6.5 and 6.8 ✅

DepSurf

Function: __get_random_u32_below

Status

Differences

Function: `__get_random_u32_below`