audit: type=1804 audit(1586766993.261:296): pid=15118 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir700766246/syzkaller.TyS5DR/146/bus" dev="sda1" ino=15761 res=1 BUG: unable to handle kernel paging request at fffffffffffffff0 IP: __read_once_size include/linux/compiler.h:183 [inline] IP: list_empty include/linux/list.h:203 [inline] IP: plist_del+0x92/0x440 lib/plist.c:125 PGD 7c6d067 P4D 7c6d067 PUD 7c6f067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 15119 Comm: syz-executor.3 Not tainted 4.14.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888040aee6c0 task.stack: ffff88804ef28000 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:list_empty include/linux/list.h:203 [inline] RIP: 0010:plist_del+0x92/0x440 lib/plist.c:125 RSP: 0018:ffff88804ef2fbe0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88809b85a940 RCX: ffffc90008cc5000 RDX: 1ffffffffffffffe RSI: ffffffff863add93 RDI: ffff88809b85a940 RBP: ffff88809b85a948 R08: 0000000000006e71 R09: ffffffff8a092c08 R10: ffff888040aeef40 R11: ffff888040aee6c0 R12: ffff88809b85a958 R13: fffffffffffffff0 R14: 0000000000000000 R15: 0000000000000282 FS: 00007fa8e12ef700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff0 CR3: 000000008ea02000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pm_qos_update_target+0x6d2/0x9a0 kernel/power/qos.c:289 pm_qos_remove_request+0x11c/0x460 kernel/power/qos.c:541 snd_pcm_hw_free sound/core/pcm_native.c:790 [inline] snd_pcm_common_ioctl+0xa6d/0x1bf0 sound/core/pcm_native.c:2914 snd_pcm_ioctl+0x6d/0xa0 sound/core/pcm_native.c:2993 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c889 RSP: 002b:00007fa8e12eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa8e12ef6d4 RCX: 000000000045c889 RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000005 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004fa R14: 00000000004d3d58 R15: 000000000076bf0c Code: 73 18 4d 39 ee 74 31 e8 0d 69 1f fb 4d 8d 6e f0 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 28 03 00 00 <49> 8b 46 f0 49 39 c5 0f 84 d4 01 00 00 e8 dc 68 1f fb 4c 8d 6b RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff88804ef2fbe0 RIP: list_empty include/linux/list.h:203 [inline] RSP: ffff88804ef2fbe0 RIP: plist_del+0x92/0x440 lib/plist.c:125 RSP: ffff88804ef2fbe0 CR2: fffffffffffffff0 ---[ end trace 1faa73598a83776c ]---