------------[ cut here ]------------ WARNING: CPU: 0 PID: 3544 at kernel/workqueue.c:1453 __queue_work+0xbaf/0xd00 Modules linked in: CPU: 0 PID: 3544 Comm: syz-executor.2 Not tainted 5.15.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:__queue_work+0xbaf/0xd00 kernel/workqueue.c:1453 Code: 7c 24 10 e8 c3 5c 77 00 e9 1c fd ff ff e8 59 a0 2d 00 89 ee 48 c7 c7 20 13 7d 8c e8 6b 8c d6 02 e9 64 fc ff ff e8 41 a0 2d 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2b a0 2d 00 RSP: 0018:ffffc90000007b18 EFLAGS: 00010046 RAX: ffffffff8152998f RBX: 00000000000b0012 RCX: ffff88801d5f8000 RDX: 0000000000000101 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff81537be5 R09: fffffbfff1bc71b6 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888073d1d000 R14: 0000000000000008 R15: 0000000100001e01 FS: 00005555572fe480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0c9c5476c6 CR3: 00000000a00b3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1461 [inline] __run_timers+0x6a8/0x890 kernel/time/timer.c:1737 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:finish_lock_switch+0x91/0x100 kernel/sched/core.c:4785 Code: 45 31 c9 68 97 70 59 81 e8 dc 1a 09 00 48 83 c4 08 4c 89 ff e8 60 da fe ff 66 90 4c 89 ff e8 36 d4 cb 08 e8 e1 46 2d 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87 RSP: 0018:ffffc90002e37998 EFLAGS: 00000286 RAX: e8e1fecb74e69000 RBX: ffff888078d80034 RCX: ffffffff913c6f03 RDX: dffffc0000000000 RSI: ffffffff8a8b1500 RDI: ffffffff8ad88f00 RBP: ffffc90002e37a10 R08: ffffffff8186b7e0 R09: ffffed1017347461 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff1101734760b R14: ffff8880b9a3b058 R15: ffff8880b9a3a300 finish_task_switch+0x134/0x630 kernel/sched/core.c:4902 context_switch kernel/sched/core.c:5033 [inline] __schedule+0x12cc/0x45b0 kernel/sched/core.c:6376 schedule+0x11b/0x1f0 kernel/sched/core.c:6459 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x1bc/0x7b0 kernel/time/hrtimer.c:2045 hrtimer_nanosleep+0x24d/0x490 kernel/time/hrtimer.c:2098 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1313 [inline] __se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1290 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fc7f66c21b5 Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8 RSP: 002b:00007ffcfef5a040 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 00000000000005c4 RCX: 00007fc7f66c21b5 RDX: 00007ffcfef5a080 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffcfef5a10c R08: 0000000000000000 R09: 0000000000000010 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 000000000005c608 R14: 000000000005c1bd R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: 45 31 c9 xor %r9d,%r9d 3: 68 97 70 59 81 push $0xffffffff81597097 8: e8 dc 1a 09 00 call 0x91ae9 d: 48 83 c4 08 add $0x8,%rsp 11: 4c 89 ff mov %r15,%rdi 14: e8 60 da fe ff call 0xfffeda79 19: 66 90 xchg %ax,%ax 1b: 4c 89 ff mov %r15,%rdi 1e: e8 36 d4 cb 08 call 0x8cbd459 23: e8 e1 46 2d 00 call 0x2d4709 28: fb sti 29: 5b pop %rbx * 2a: 41 5c pop %r12 <-- trapping instruction 2c: 41 5d pop %r13 2e: 41 5e pop %r14 30: 41 5f pop %r15 32: c3 ret 33: 44 89 f1 mov %r14d,%ecx 36: 80 e1 07 and $0x7,%cl 39: 80 c1 03 add $0x3,%cl 3c: 38 c1 cmp %al,%cl 3e: 7c 87 jl 0xffffffc7