bisecting fixing commit since dbb5afad100a828c97e012c6106566d99f041db6
building syzkaller on ed7d41c582d6f194ff35353d8bfdf7681dc0718e
testing commit dbb5afad100a828c97e012c6106566d99f041db6
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d422b14f30f72dd7ff758db85f779ea93493f7dd0c166f121bb11e96866128be
all runs: crashed: WARNING in cpu_latency_qos_remove_request
testing current HEAD 2f111a6fd5b5297b4e92f53798ca086f7c7d33a4
testing commit 2f111a6fd5b5297b4e92f53798ca086f7c7d33a4
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 254dc335314700d80f619511edc46a42b88414d240ea045367a5a6468264572b
run #0: crashed: WARNING in cpu_latency_qos_remove_request
run #1: crashed: WARNING in cpu_latency_qos_remove_request
run #2: crashed: WARNING in cpu_latency_qos_remove_request
run #3: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #4: crashed: BUG: unable to handle kernel paging request in pm_qos_update_target
run #5: crashed: WARNING in cpu_latency_qos_remove_request
run #6: crashed: WARNING in cpu_latency_qos_remove_request
run #7: crashed: WARNING in cpu_latency_qos_remove_request
run #8: crashed: WARNING in cpu_latency_qos_remove_request
run #9: crashed: WARNING in cpu_latency_qos_remove_request
revisions tested: 2, total time: 23m9.693704565s (build: 13m16.663457899s, test: 9m19.976209583s)
the crash still happens on HEAD
commit msg: Merge tag 'ceph-for-5.15-rc7' of git://github.com/ceph/ceph-client
crash: WARNING in cpu_latency_qos_remove_request
------------[ cut here ]------------
cpu_latency_qos_remove_request called for unknown object
WARNING: CPU: 1 PID: 22346 at kernel/power/qos.c:322 cpu_latency_qos_remove_request+0x41/0x60 kernel/power/qos.c:322
Modules linked in:
CPU: 1 PID: 22346 Comm: syz-executor.1 Not tainted 5.15.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:cpu_latency_qos_remove_request+0x41/0x60 kernel/power/qos.c:322
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 75 2b 48 81 7d 28 e0 ce a7 8a 74 17 48 c7 c6 e0 b3 cb 88 48 c7 c7 80 b1 cb 88 e8 c6 83 d1 06 <0f> 0b 5d c3 48 89 ef 5d e9 a2 fd ff ff c3 e8 3c f9 53 00 eb ce 66
RSP: 0018:ffffc90008617d48 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffffffff89b37120 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff891f68a0 RDI: fffff520010c2f9b
RBP: ffff888147cc7040 R08: 0000000000000001 R09: ffff8880b9f2bf87
R10: ffffed10173e57f0 R11: 6574616c5f757063 R12: 1ffff920010c2fb6
R13: ffff888147cc7000 R14: ffff888147cc71e4 R15: 0000000000004112
FS:  00007f546005f700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000544038 CR3: 000000001c3dd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 snd_pcm_hw_free sound/core/pcm_native.c:857 [inline]
 snd_pcm_common_ioctl+0x14a7/0x2b40 sound/core/pcm_native.c:3244
 snd_pcm_ioctl+0x62/0xa0 sound/core/pcm_native.c:3327
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl fs/ioctl.c:860 [inline]
 __x64_sys_ioctl+0x11f/0x190 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
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:00007f546005f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000005
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe4226720f R14: 00007f546005f300 R15: 0000000000022000