syzbot

netlink: 'syz-executor.0': attribute type 4 has an invalid length.
EXT4-fs (loop4): VFS: Can't find ext4 filesystem
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ODEBUG: assert_init not available (active state 0) object type: timer_list hint:           (null)
WARNING: CPU: 1 PID: 9837 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 9837 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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:debug_print_object+0x160/0x250 lib/debugobjects.c:325
Code: dd 20 f1 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 f1 b3 88 48 c7 c7 40 e5 b3 88 e8 65 92 7b 04 <0f> 0b 83 05 73 e6 af 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff88803efdf8c0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000
RDX: 0000000000020906 RSI: ffffffff814dff01 RDI: ffffed1007dfbf0a
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: ffffffff8c66505b R12: ffffffff89f90a40
R13: ffffffff815313f0 R14: ffff888235805770 R15: 1ffff11007dfbf23
 debug_object_assert_init lib/debugobjects.c:694 [inline]
 debug_object_assert_init+0x1f0/0x2e0 lib/debugobjects.c:665
 debug_timer_assert_init kernel/time/timer.c:733 [inline]
 debug_assert_init kernel/time/timer.c:785 [inline]
 del_timer+0x6d/0x100 kernel/time/timer.c:1210
 try_to_grab_pending+0x2b6/0x6f0 kernel/workqueue.c:1224
 __cancel_work_timer+0xa6/0x590 kernel/workqueue.c:2972
 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: 0033:0x7f33af298639
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:00007f33ad7ea168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f33af3b9050 RCX: 00007f33af298639
RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000005
RBP: 00007f33af2f3ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff4573502f R14: 00007f33ad7ea300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..