------------[ cut here ]------------ WARNING: CPU: 1 PID: 18485 at kernel/workqueue.c:2917 __flush_work.cold+0x29/0x33 kernel/workqueue.c:2917 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 18485 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__flush_work.cold+0x29/0x33 kernel/workqueue.c:2917 Code: ce e8 60 a7 6f f9 48 c7 c7 80 3f 69 88 e8 bf d8 00 00 0f 0b e9 67 35 4b f9 e8 48 a7 6f f9 48 c7 c7 80 3f 69 88 e8 a7 d8 00 00 <0f> 0b 45 31 f6 e9 4c 35 4b f9 e8 2d a7 6f f9 48 c7 c7 80 3f 69 88 RSP: 0018:ffff888084807938 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff888235ffd6f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1010900f19 RBP: ffff888084807aa8 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 1ffff11010900f58 R14: 0000000000000001 R15: ffff888095e1e640 __cancel_work_timer+0x412/0x590 kernel/workqueue.c:3013 pm_qos_remove_request.part.0+0x1b/0x3c0 kernel/power/qos.c:539 pm_qos_remove_request+0x52/0x80 kernel/power/qos.c:534 snd_pcm_hw_free sound/core/pcm_native.c:827 [inline] snd_pcm_common_ioctl+0x12a0/0x29a0 sound/core/pcm_native.c:2906 snd_pcm_ioctl+0x7e/0xb0 sound/core/pcm_native.c:2985 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f55e68ff5f9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f55e6051168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f55e6a20050 RCX: 00007f55e68ff5f9 RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000005 RBP: 00007f55e695a7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe575fbd5f R14: 00007f55e6051300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..