pm_qos_remove_request() called for unknown object ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8772 at kernel/power/qos.c:534 pm_qos_remove_request.cold+0x11/0x18 kernel/power/qos.c:534 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8772 Comm: syz-executor949 Not tainted 4.14.209-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x4b kernel/panic.c:547 report_bug+0x208/0x249 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:pm_qos_remove_request.cold+0x11/0x18 kernel/power/qos.c:534 RSP: 0018:ffff888093dd7c58 EFLAGS: 00010282 RAX: 0000000000000031 RBX: ffff8880a54c2e00 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bbac0 RDI: ffffed10127baf81 RBP: ffff888235a8d240 R08: 0000000000000031 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff110127baf99 R13: 0000000000004112 R14: ffff888235a8d268 R15: 0000000000000000 snd_pcm_hw_free sound/core/pcm_native.c:790 [inline] snd_pcm_common_ioctl+0x12da/0x2990 sound/core/pcm_native.c:2919 snd_pcm_ioctl+0x6d/0xa0 sound/core/pcm_native.c:2998 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 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+0x46/0xbb RIP: 0033:0x4450e9 RSP: 002b:00007ffe56ed3b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004450e9 RDX: 0000000000000000 RSI: 0000000000004112 RDI: 0000000000000004 RBP: 0000000000007469 R08: 00000000004002e0 R09: 00000000004002e0 R10: 000000000000000f R11: 0000000000000246 R12: 0000000000402200 R13: 0000000000402290 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..