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: 24 Comm: kworker/1:0 Not tainted 6.1.141-syzkaller-1169946-g145c7fad733f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: ipv6_addrconf addrconf_dad_work 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 33 47 53 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:ffffc900001979b8 EFLAGS: 00010017 RAX: 1ffff11021eda4f6 RBX: dffffc0000000000 RCX: 0000000015600001 RDX: 00000000ffffa0a7 RSI: ffff88812d9bf880 RDI: ffffc900001b2000 RBP: ffffc900001979f0 R08: dffffc0000000000 R09: ffffc90000197888 R10: 0000000022446ca9 R11: 1ffff92000032f11 R12: ffff88810f6d27a8 R13: ffff88810f6d27a8 R14: ffffffff817113c0 R15: ffff88812d9bf880 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011181d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_timer_start include/trace/events/timer.h:53 [inline] enqueue_timer+0x337/0x480 kernel/time/timer.c:615 __mod_timer+0x79f/0xb30 kernel/time/timer.c:-1 add_timer+0x68/0x80 kernel/time/timer.c:1218 __queue_delayed_work+0x173/0x200 kernel/workqueue.c:1686 mod_delayed_work_on+0x74/0xe0 kernel/workqueue.c:1749 mod_delayed_work include/linux/workqueue.h:540 [inline] addrconf_mod_dad_work+0x7d/0x120 net/ipv6/addrconf.c:333 addrconf_dad_work+0x933/0x14b0 net/ipv6/addrconf.c:4239 process_one_work+0x71f/0xc40 kernel/workqueue.c:2299 worker_thread+0xa29/0x11f0 kernel/workqueue.c:2446 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 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 33 47 53 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:ffffc900001979b8 EFLAGS: 00010017 RAX: 1ffff11021eda4f6 RBX: dffffc0000000000 RCX: 0000000015600001 RDX: 00000000ffffa0a7 RSI: ffff88812d9bf880 RDI: ffffc900001b2000 RBP: ffffc900001979f0 R08: dffffc0000000000 R09: ffffc90000197888 R10: 0000000022446ca9 R11: 1ffff92000032f11 R12: ffff88810f6d27a8 R13: ffff88810f6d27a8 R14: ffffffff817113c0 R15: ffff88812d9bf880 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000011181d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400