CFI failure at __traceiter_timer_start+0x87/0xe0 include/trace/events/timer.h:53 (target: tp_stub_func+0x0/0x10; expected type: 0x82fbfa63)
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 14 Comm: rcu_preempt Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__traceiter_timer_start+0x87/0xe0 include/trace/events/timer.h:53
Code: f8 48 c1 e8 03 80 3c 18 00 74 05 e8 b3 b0 54 00 49 8b 7d 08 4c 89 fe 48 8b 55 c8 8b 4d d4 41 ba 9d 05 04 7d 45 03 56 fc 74 02 <0f> 0b 41 ff d6 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08
RSP: 0018:ffffc900000e7ab8 EFLAGS: 00010017
RAX: 1ffff110245fa346 RBX: dffffc0000000000 RCX: 0000000007000001
RDX: 00000000ffffa09b RSI: ffffc900000e7c20 RDI: ffffc900008fd000
RBP: ffffc900000e7af0 R08: ffffc900000e798f R09: ffffc900000e7988
R10: 0000000022446ca9 R11: fffff5200001cf32 R12: ffff888122fd1a28
R13: ffff888122fd1a28 R14: ffffffff817296b0 R15: ffffc900000e7c20
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000121db6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 trace_timer_start include/trace/events/timer.h:53 [inline]
 enqueue_timer+0x337/0x480 kernel/time/timer.c:615
 internal_add_timer kernel/time/timer.c:640 [inline]
 __mod_timer+0x84c/0xc00 kernel/time/timer.c:1137
 schedule_timeout+0x154/0x340 kernel/time/timer.c:2019
 rcu_gp_fqs_loop+0x2e9/0x10c0 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:1905
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__traceiter_timer_start+0x87/0xe0 include/trace/events/timer.h:53
Code: f8 48 c1 e8 03 80 3c 18 00 74 05 e8 b3 b0 54 00 49 8b 7d 08 4c 89 fe 48 8b 55 c8 8b 4d d4 41 ba 9d 05 04 7d 45 03 56 fc 74 02 <0f> 0b 41 ff d6 49 83 c4 18 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08
RSP: 0018:ffffc900000e7ab8 EFLAGS: 00010017
RAX: 1ffff110245fa346 RBX: dffffc0000000000 RCX: 0000000007000001
RDX: 00000000ffffa09b RSI: ffffc900000e7c20 RDI: ffffc900008fd000
RBP: ffffc900000e7af0 R08: ffffc900000e798f R09: ffffc900000e7988
R10: 0000000022446ca9 R11: fffff5200001cf32 R12: ffff888122fd1a28
R13: ffff888122fd1a28 R14: ffffffff817296b0 R15: ffffc900000e7c20
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000121db6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400