program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f00000000c0)='0000:00:03.0\x00', 0xd) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:03.0/resource0\x00', 0x2, 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x3, 0x11, r1, 0x0) pwrite64(r1, &(0x7f0000001020)='\x00\x00\x00\x00', 0x4, 0x20) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000180)='snd_hda_intel\x00', 0xe) r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/pci/drivers/snd_hda_intel/bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000200)='0000:00:03.0\x00', 0xd) nanosleep(&(0x7f0000000000)={0x1}, 0x0) [ 107.397592][ T4649] Bluetooth: hci0: command tx timeout [ 107.586966][ T5313] BUG: unable to handle page fault for address: 000000000001c0a0 [ 107.589892][ T5313] #PF: supervisor read access in kernel mode [ 107.592227][ T5313] #PF: error_code(0x0000) - not-present page [ 107.594548][ T5313] PGD 0 P4D 0 [ 107.595786][ T5313] Oops: Oops: 0000 [#1] SMP KASAN NOPTI [ 107.597647][ T5313] CPU: 0 UID: 0 PID: 5313 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) [ 107.600721][ T5313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 107.604484][ T5313] Workqueue: events azx_probe_work [ 107.606643][ T5313] RIP: 0010:azx_probe_work+0x969/0x2860 [ 107.608747][ T5313] Code: 8b 7c 24 38 0f 85 01 1b 00 00 66 45 89 27 48 8b 7c 24 48 e8 e9 f8 84 fb 42 80 3c 2b 00 74 08 4c 89 f7 e8 ea 4b 9f f8 49 8b 06 <66> 8b 00 89 44 24 30 0f 1f 44 00 00 e8 36 19 30 f8 48 8b 9c 24 88 [ 107.615658][ T5313] RSP: 0018:ffffc9000f0b7940 EFLAGS: 00010246 [ 107.617979][ T5313] RAX: 000000000001c0a0 RBX: 1ffff11007cb940b RCX: 0000000000000000 [ 107.621008][ T5313] RDX: 0000000000000006 RSI: ffffffff8e231ffb RDI: 00000000ffffffff [ 107.623801][ T5313] RBP: ffffc9000f0b7af0 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 107.626814][ T5313] R10: dffffc0000000000 R11: fffffbfff20af847 R12: 000000000000002a [ 107.629794][ T5313] R13: dffffc0000000000 R14: ffff88803e5ca058 R15: ffff88803e5ca890 [ 107.632622][ T5313] FS: 0000000000000000(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 107.635741][ T5313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.638247][ T5313] CR2: 000000000001c0a0 CR3: 000000000e782000 CR4: 0000000000352ef0 [ 107.640973][ T5313] Call Trace: [ 107.642145][ T5313] [ 107.643192][ T5313] ? __pfx_azx_probe_work+0x10/0x10 [ 107.645101][ T5313] ? rcu_is_watching+0x15/0xb0 [ 107.646849][ T5313] ? process_scheduled_works+0xa20/0x14e0 [ 107.649204][ T5313] process_scheduled_works+0xa8e/0x14e0 [ 107.651361][ T5313] ? __pfx_process_scheduled_works+0x10/0x10 [ 107.653624][ T5313] ? assign_work+0x3cf/0x5d0 [ 107.655327][ T5313] worker_thread+0xa47/0xfb0 [ 107.657036][ T5313] ? __kthread_parkme+0x71/0x1f0 [ 107.658755][ T5313] kthread+0x388/0x470 [ 107.660182][ T5313] ? __pfx_worker_thread+0x10/0x10 [ 107.661984][ T5313] ? __pfx_kthread+0x10/0x10 [ 107.663656][ T5313] ret_from_fork+0x514/0xb70 [ 107.665303][ T5313] ? __pfx_ret_from_fork+0x10/0x10 [ 107.667110][ T5313] ? __switch_to+0xc89/0x1420 [ 107.668741][ T5313] ? __pfx_kthread+0x10/0x10 [ 107.670443][ T5313] ret_from_fork_asm+0x1a/0x30 [ 107.672112][ T5313] [ 107.673252][ T5313] Modules linked in: [ 107.674721][ T5313] CR2: 000000000001c0a0 [ 107.676182][ T5313] ---[ end trace 0000000000000000 ]--- [ 107.677990][ T5313] RIP: 0010:azx_probe_work+0x969/0x2860 [ 107.679913][ T5313] Code: 8b 7c 24 38 0f 85 01 1b 00 00 66 45 89 27 48 8b 7c 24 48 e8 e9 f8 84 fb 42 80 3c 2b 00 74 08 4c 89 f7 e8 ea 4b 9f f8 49 8b 06 <66> 8b 00 89 44 24 30 0f 1f 44 00 00 e8 36 19 30 f8 48 8b 9c 24 88 [ 107.686485][ T5313] RSP: 0018:ffffc9000f0b7940 EFLAGS: 00010246 [ 107.688574][ T5313] RAX: 000000000001c0a0 RBX: 1ffff11007cb940b RCX: 0000000000000000 [ 107.691554][ T5313] RDX: 0000000000000006 RSI: ffffffff8e231ffb RDI: 00000000ffffffff [ 107.694467][ T5313] RBP: ffffc9000f0b7af0 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 107.697247][ T5313] R10: dffffc0000000000 R11: fffffbfff20af847 R12: 000000000000002a [ 107.700292][ T5313] R13: dffffc0000000000 R14: ffff88803e5ca058 R15: ffff88803e5ca890 [ 107.703287][ T5313] FS: 0000000000000000(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 107.706715][ T5313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.709128][ T5313] CR2: 000000000001c0a0 CR3: 000000000e782000 CR4: 0000000000352ef0 [ 107.712048][ T5313] Kernel panic - not syncing: Fatal exception [ 107.714453][ T5313] Kernel Offset: disabled [ 107.715871][ T5313] Rebooting in 86400 seconds..