WARNING in pm_qos_remove_request

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: eb575cd5 Linux 4.19.195
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14bd3c88300000
kernel config: https://syzkaller.appspot.com/x/.config?x=5506475cccaff975
dashboard link: https://syzkaller.appspot.com/bug?extid=e02cd05f1b8659c00aba

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e02cd0...@syzkaller.appspotmail.com

------------[ cut here ]------------
pm_qos_remove_request() called for unknown object
WARNING: CPU: 0 PID: 26158 at kernel/power/qos.c:535 pm_qos_remove_request+0x6a/0x80 kernel/power/qos.c:535
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 26158 Comm: syz-executor.0 Not tainted 4.19.195-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:pm_qos_remove_request+0x6a/0x80 kernel/power/qos.c:535
Code: 00 85 db 74 14 e8 f6 59 16 00 48 89 ef e8 ee fb ff ff 5b 5d e9 e7 59 16 00 e8 e2 59 16 00 48 c7 c7 60 7e 6a 88 e8 16 b8 a5 06 <0f> 0b 5b 5d e9 cd 59 16 00 e8 f8 25 4c 00 eb bb 66 0f 1f 44 00 00
RSP: 0018:ffff88803bb27bf0 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000001745f RSI: ffffffff814dfc91 RDI: ffffed1007764f70
RBP: ffff8880a5afc040 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 1ffff11007764f89
R13: 0000000000000001 R14: ffff8880a5afc26c R15: 0000000000000000
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: 0033:0x4665d9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5edeb9b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000020000100 RSI: 0000000000004112 RDI: 0000000000000004
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd0f11027f R14: 00007f5edeb9b300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.