CFI failure at __traceiter_neigh_update+0x9f/0x100 include/trace/events/neigh.h:72 (target: tp_stub_func+0x0/0x10; expected type: 0xcdd4cfdd)
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 997 Comm: syz.2.215 Not tainted syzkaller #0 PREEMPT
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__traceiter_neigh_update+0x9f/0x100 include/trace/events/neigh.h:72
Code: 07 d1 84 fd 49 8b 7f 08 48 8b 75 c8 48 8b 55 c0 44 89 e9 44 8b 45 d4 44 8b 4d d0 4d 89 f3 41 ba 23 30 2b 32 45 03 53 f1 74 02 <0f> 0b 2e e8 15 c9 8e 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc900001c03c0 EFLAGS: 00010282
RAX: 1ffff11020475b29 RBX: ffff8881023ad940 RCX: 0000000000000004
RDX: ffff888115ca1096 RSI: ffff8881209e5000 RDI: ffff88810b34fc80
RBP: ffffc900001c0400 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000d76b972f R11: ffffffff81a0c5f0 R12: dffffc0000000000
R13: 0000000000000004 R14: ffffffff81a0c5f0 R15: ffff8881023ad940
FS: 00007fdd479396c0(0000) GS:ffff88826e7ff000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010ef70000 CR4: 00000000003526b0
Call Trace:
__do_trace_neigh_update include/trace/events/neigh.h:72 [inline]
trace_neigh_update include/trace/events/neigh.h:72 [inline]
__neigh_update+0x210b/0x2250 net/core/neighbour.c:1338
neigh_update net/core/neighbour.c:1520 [inline]
neigh_event_ns+0xb7/0x180 net/core/neighbour.c:1549
arp_process+0x1083/0x1740 net/ipv4/arp.c:852
NF_HOOK include/linux/netfilter.h:318 [inline]
arp_rcv+0x2f2/0x4c0 net/ipv4/arp.c:995
__netif_receive_skb_list_ptype net/core/dev.c:6039 [inline]
__netif_receive_skb_list_core+0x780/0x840 net/core/dev.c:6081
__netif_receive_skb_list net/core/dev.c:6133 [inline]
netif_receive_skb_list_internal+0x81e/0xac0 net/core/dev.c:6224
gro_normal_list include/net/gro.h:532 [inline]
gro_flush_normal include/net/gro.h:540 [inline]
napi_complete_done+0x2e5/0x730 net/core/dev.c:6593
virtqueue_napi_complete drivers/net/virtio_net.c:766 [inline]
virtnet_poll+0x25cb/0x2f90 drivers/net/virtio_net.c:3118
__napi_poll+0xd8/0x4a0 net/core/dev.c:7506
napi_poll net/core/dev.c:7569 [inline]
net_rx_action+0x5af/0xe00 net/core/dev.c:7696
handle_softirqs+0x18c/0x530 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x56/0x140 kernel/softirq.c:680
irq_exit_rcu+0x9/0x20 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xae/0xd0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x6f6/0xaa0 arch/x86/include/asm/irqflags.h:-1
Code: de 48 81 e6 00 02 00 00 31 ff e8 55 b1 1c 00 48 81 e3 00 02 00 00 75 07 e8 67 ac 1c 00 eb 06 e8 60 ac 1c 00 fb 48 8b 5c 24 18 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 f6 d6 73 00 48 8b
RSP: 0018:ffffc9000205f6e0 EFLAGS: 00000293
RAX: ffffffff8182f360 RBX: ffffffff876a8898 RCX: ffff88811ba40000
RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
RBP: ffffc9000205f810 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200040becc R12: dffffc0000000000
R13: ffffffff876a8840 R14: ffffffff876a8898 R15: 0000000000000001
__console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
console_unlock+0xe4/0x260 kernel/printk/printk.c:3325
vprintk_emit+0x27a/0x530 kernel/printk/printk.c:2450
vprintk_default+0x26/0x30 kernel/printk/printk.c:2465
vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82
_printk+0xcb/0x110 kernel/printk/printk.c:2475
fail_dump lib/fault-inject.c:66 [inline]
should_fail_ex+0x42a/0x5c0 lib/fault-inject.c:174
should_failslab+0xa8/0x100 mm/failslab.c:46
slab_pre_alloc_hook mm/slub.c:4144 [inline]
slab_alloc_node mm/slub.c:4220 [inline]
__do_kmalloc_node mm/slub.c:4375 [inline]
__kmalloc_noprof+0x9e/0x460 mm/slub.c:4388
kmalloc_noprof include/linux/slab.h:909 [inline]
allocate_probes kernel/tracepoint.c:99 [inline]
func_remove kernel/tracepoint.c:221 [inline]
tracepoint_remove_func kernel/tracepoint.c:357 [inline]
tracepoint_probe_unregister+0x1e6/0x900 kernel/tracepoint.c:504
bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2330
bpf_raw_tp_link_release+0x43/0x70 kernel/bpf/syscall.c:3655
bpf_link_free+0xf3/0x290 kernel/bpf/syscall.c:3166
bpf_link_put_direct kernel/bpf/syscall.c:3209 [inline]
bpf_link_release+0x6c/0x80 kernel/bpf/syscall.c:3216
__fput+0x3e8/0xa50 fs/file_table.c:468
fput_close_sync+0x115/0x200 fs/file_table.c:573
__do_sys_close fs/open.c:1587 [inline]
__se_sys_close+0x174/0x260 fs/open.c:1572
__x64_sys_close+0x38/0x50 fs/open.c:1572
x64_sys_call+0x2679/0x2fd0 arch/x86/include/generated/asm/syscalls_64.h:4
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x5e/0x160 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fdd46b8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdd47939038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fdd46dc5fa0 RCX: 00007fdd46b8ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007fdd47939090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fdd46dc6038 R14: 00007fdd46dc5fa0 R15: 00007ffe644bcc38
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__traceiter_neigh_update+0x9f/0x100 include/trace/events/neigh.h:72
Code: 07 d1 84 fd 49 8b 7f 08 48 8b 75 c8 48 8b 55 c0 44 89 e9 44 8b 45 d4 44 8b 4d d0 4d 89 f3 41 ba 23 30 2b 32 45 03 53 f1 74 02 <0f> 0b 2e e8 15 c9 8e 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80 3c
RSP: 0018:ffffc900001c03c0 EFLAGS: 00010282
RAX: 1ffff11020475b29 RBX: ffff8881023ad940 RCX: 0000000000000004
RDX: ffff888115ca1096 RSI: ffff8881209e5000 RDI: ffff88810b34fc80
RBP: ffffc900001c0400 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000d76b972f R11: ffffffff81a0c5f0 R12: dffffc0000000000
R13: 0000000000000004 R14: ffffffff81a0c5f0 R15: ffff8881023ad940
FS: 00007fdd479396c0(0000) GS:ffff88826e7ff000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010ef70000 CR4: 00000000003526b0
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 81 e6 00 02 00 00 and $0x200,%rsi
7: 31 ff xor %edi,%edi
9: e8 55 b1 1c 00 call 0x1cb163
e: 48 81 e3 00 02 00 00 and $0x200,%rbx
15: 75 07 jne 0x1e
17: e8 67 ac 1c 00 call 0x1cac83
1c: eb 06 jmp 0x24
1e: e8 60 ac 1c 00 call 0x1cac83
23: fb sti
24: 48 8b 5c 24 18 mov 0x18(%rsp),%rbx
* 29: 48 8b 44 24 28 mov 0x28(%rsp),%rax <-- trapping instruction
2e: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
33: 74 08 je 0x3d
35: 48 89 df mov %rbx,%rdi
38: e8 f6 d6 73 00 call 0x73d733
3d: 48 rex.W
3e: 8b .byte 0x8b