CFI failure at __traceiter_timer_start+0x80/0xe0 include/trace/events/timer.h:52 (target: tp_stub_func+0x0/0x10; expected type: 0x6b5e9b74)
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 530 Comm: syz.2.18 Not tainted 6.15.0-rc3-syzkaller-00342-g5bc1018675ec #0 PREEMPT
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__traceiter_timer_start+0x80/0xe0 include/trace/events/timer.h:52
Code: f8 48 c1 e8 03 80 3c 18 00 74 05 e8 6a f0 64 00 49 8b 7d 08 4c 89 f6 48 8b 55 d0 4d 89 e3 41 ba 8c 64 a1 94 45 03 53 f1 74 02 <0f> 0b 41 ff d3 0f 1f 00 49 83 c7 18 4c 89 f8 48 c1 e8 03 80 3c 18
RSP: 0018:ffffc90000007bd8 EFLAGS: 00010813
RAX: 1ffff1102176b263 RBX: dffffc0000000000 RCX: ffff888111002280
RDX: 00000000ffffa0e3 RSI: ffffffff887f4980 RDI: ffff88811ac51580
RBP: ffffc90000007c08 R08: ffffffff87ba5277 R09: 1ffffffff0f74a4e
R10: 0000000039e1cb98 R11: ffffffff81a0b740 R12: ffffffff81a0b740
R13: ffff88810bb59310 R14: ffffffff887f4980 R15: ffff88810bb59310
FS: 00007fb81e9ff6c0(0000) GS:ffff88826e716000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011bec8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__do_trace_timer_start include/trace/events/timer.h:52 [inline]
trace_timer_start include/trace/events/timer.h:52 [inline]
enqueue_timer+0x307/0x480 kernel/time/timer.c:662
__mod_timer+0xa16/0xde0 kernel/time/timer.c:-1
mod_timer+0x1f/0x30 kernel/time/timer.c:1237
tcp_orphan_update+0x165/0x180 net/ipv4/tcp.c:3042
call_timer_fn+0x49/0x300 kernel/time/timer.c:1789
expire_timers kernel/time/timer.c:1840 [inline]
__run_timers kernel/time/timer.c:2414 [inline]
__run_timer_base+0x6ad/0x9a0 kernel/time/timer.c:2426
run_timer_base kernel/time/timer.c:2435 [inline]
run_timer_softirq+0x10a/0x180 kernel/time/timer.c:2446
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:1049 [inline]
sysvec_apic_timer_interrupt+0xae/0xd0 arch/x86/kernel/apic/apic.c:1049
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 65 35 1c 00 48 81 e3 00 02 00 00 75 07 e8 77 30 1c 00 eb 06 e8 70 30 1c 00 fb 48 8b 5c 24 18 <48> 8b 44 24 28 42 80 3c 20 00 74 08 48 89 df e8 a6 ae 70 00 48 8b
RSP: 0018:ffffc90000ae76e0 EFLAGS: 00000293
RAX: ffffffff81836420 RBX: ffffffff872e4bd8 RCX: ffff888111002280
RDX: 0000000000000000 RSI: 0000000000000200 RDI: 0000000000000000
RBP: ffffc90000ae7810 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200015cecc R12: dffffc0000000000
R13: ffffffff872e4b80 R14: ffffffff872e4bd8 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:4114 [inline]
slab_alloc_node mm/slub.c:4190 [inline]
__do_kmalloc_node mm/slub.c:4340 [inline]
__kmalloc_noprof+0x9e/0x460 mm/slub.c:4353
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:2436
bpf_raw_tp_link_release+0x43/0x70 kernel/bpf/syscall.c:3634
bpf_link_free+0xf3/0x290 kernel/bpf/syscall.c:3156
bpf_link_put_direct kernel/bpf/syscall.c:3199 [inline]
bpf_link_release+0x6c/0x80 kernel/bpf/syscall.c:3206
__fput+0x3e8/0xa50 fs/file_table.c:465
fput_close_sync+0x115/0x200 fs/file_table.c:570
__do_sys_close fs/open.c:1581 [inline]
__se_sys_close+0x174/0x260 fs/open.c:1566
__x64_sys_close+0x38/0x50 fs/open.c:1566
x64_sys_call+0x268a/0x2f60 arch/x86/include/generated/asm/syscalls_64.h:4
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x54/0xf0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fb81ef8e969
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:00007fb81e9ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fb81f1b5fa0 RCX: 00007fb81ef8e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fb81e9ff090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007fb81f1b5fa0 R15: 00007ffe00d32e78
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__traceiter_timer_start+0x80/0xe0 include/trace/events/timer.h:52
Code: f8 48 c1 e8 03 80 3c 18 00 74 05 e8 6a f0 64 00 49 8b 7d 08 4c 89 f6 48 8b 55 d0 4d 89 e3 41 ba 8c 64 a1 94 45 03 53 f1 74 02 <0f> 0b 41 ff d3 0f 1f 00 49 83 c7 18 4c 89 f8 48 c1 e8 03 80 3c 18
RSP: 0018:ffffc90000007bd8 EFLAGS: 00010813
RAX: 1ffff1102176b263 RBX: dffffc0000000000 RCX: ffff888111002280
RDX: 00000000ffffa0e3 RSI: ffffffff887f4980 RDI: ffff88811ac51580
RBP: ffffc90000007c08 R08: ffffffff87ba5277 R09: 1ffffffff0f74a4e
R10: 0000000039e1cb98 R11: ffffffff81a0b740 R12: ffffffff81a0b740
R13: ffff88810bb59310 R14: ffffffff887f4980 R15: ffff88810bb59310
FS: 00007fb81e9ff6c0(0000) GS:ffff88826e716000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011bec8000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
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 65 35 1c 00 call 0x1c3573
e: 48 81 e3 00 02 00 00 and $0x200,%rbx
15: 75 07 jne 0x1e
17: e8 77 30 1c 00 call 0x1c3093
1c: eb 06 jmp 0x24
1e: e8 70 30 1c 00 call 0x1c3093
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 a6 ae 70 00 call 0x70aee3
3d: 48 rex.W
3e: 8b .byte 0x8b