program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/devices/0000:00:03.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='0000:00:03.0\x00', 0xd) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices/0000:00:03.0/driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000100)='firewire_ohci\x00', 0xe) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/drivers/firewire_ohci/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000180)='0000:00:03.0\x00', 0xd) [ 100.669644][ T4648] Bluetooth: hci0: command tx timeout [ 100.864550][ T5320] firewire_ohci 0000:00:03.0: invalid MMIO resource [ 100.915110][ T5320] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN NOPTI [ 100.920221][ T5320] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 100.924240][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 100.928064][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 100.933317][ T5320] RIP: 0010:ar_context_release+0x3f/0x380 [ 100.936066][ T5320] Code: ff df e8 14 bb 72 fa 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 9f ed e1 fa 4c 8b 33 49 83 c6 08 4c 89 f0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 f7 e8 83 ed e1 fa 4d 8b 3e 4c 8d 63 48 4d [ 100.944555][ T5320] RSP: 0018:ffffc9000eeb7a30 EFLAGS: 00010202 [ 100.947222][ T5320] RAX: 0000000000000001 RBX: ffff888033a549c0 RCX: 0000000000100000 [ 100.950543][ T5320] RDX: ffffc90020001000 RSI: 000000000002d44c RDI: 000000000002d44d [ 100.953749][ T5320] RBP: dffffc0000000000 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 100.957130][ T5320] R10: dffffc0000000000 R11: ffffffff812dfe80 R12: ffff888033a54000 [ 100.960403][ T5320] R13: dffffc0000000000 R14: 0000000000000008 R15: ffffc9000eeb7ac0 [ 100.963793][ T5320] FS: 00007f75213f56c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 100.967799][ T5320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.971011][ T5320] CR2: 00007f75251f36b8 CR3: 0000000043d27000 CR4: 0000000000352ef0 [ 100.974439][ T5320] Call Trace: [ 100.975870][ T5320] [ 100.977151][ T5320] release_ohci+0x3f/0x60 [ 100.978959][ T5320] devres_release_all+0x1a8/0x260 [ 100.980985][ T5320] ? __pfx_devres_release_all+0x10/0x10 [ 100.983199][ T5320] ? device_links_no_driver+0x16c/0x190 [ 100.985413][ T5320] really_probe+0x451/0xae0 [ 100.987291][ T5320] __driver_probe_device+0x1e8/0x360 [ 100.989396][ T5320] device_driver_attach+0xe0/0x1d0 [ 100.991434][ T5320] bind_store+0x1d0/0x220 [ 100.993199][ T5320] ? __pfx_sysfs_kf_write+0x10/0x10 [ 100.995495][ T5320] kernfs_fop_write_iter+0x3a4/0x540 [ 100.997700][ T5320] vfs_write+0x612/0xba0 [ 100.999509][ T5320] ? __pfx_vfs_write+0x10/0x10 [ 101.001495][ T5320] ? __fget_files+0x2a/0x420 [ 101.003486][ T5320] ksys_write+0x150/0x270 [ 101.005541][ T5320] ? __pfx_ksys_write+0x10/0x10 [ 101.007856][ T5320] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.010432][ T5320] do_syscall_64+0x174/0x580 [ 101.012420][ T5320] ? trace_irq_disable+0x3b/0x140 [ 101.014543][ T5320] ? clear_bhb_loop+0x40/0x90 [ 101.016737][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.019522][ T5320] RIP: 0033:0x7f7524f9e019 [ 101.021557][ T5320] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 101.029474][ T5320] RSP: 002b:00007f75213f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.032913][ T5320] RAX: ffffffffffffffda RBX: 00007f7525226090 RCX: 00007f7524f9e019 [ 101.036226][ T5320] RDX: 000000000000000d RSI: 0000200000000180 RDI: 0000000000000005 [ 101.039560][ T5320] RBP: 00007f752503500c R08: 0000000000000000 R09: 0000000000000000 [ 101.042889][ T5320] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.046734][ T5320] R13: 00007f7525226128 R14: 00007f7525226090 R15: 00007fff0ce16ce8 [ 101.050028][ T5320] [ 101.051396][ T5320] Modules linked in: [ 101.053463][ T5320] ---[ end trace 0000000000000000 ]--- [ 101.060360][ T5320] RIP: 0010:ar_context_release+0x3f/0x380 [ 101.064109][ T5320] Code: ff df e8 14 bb 72 fa 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 9f ed e1 fa 4c 8b 33 49 83 c6 08 4c 89 f0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 f7 e8 83 ed e1 fa 4d 8b 3e 4c 8d 63 48 4d [ 101.072830][ T5320] RSP: 0018:ffffc9000eeb7a30 EFLAGS: 00010202 [ 101.076187][ T5320] RAX: 0000000000000001 RBX: ffff888033a549c0 RCX: 0000000000100000 [ 101.079743][ T5320] RDX: ffffc90020001000 RSI: 000000000002d44c RDI: 000000000002d44d [ 101.083995][ T5320] RBP: dffffc0000000000 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 101.087452][ T5320] R10: dffffc0000000000 R11: ffffffff812dfe80 R12: ffff888033a54000 [ 101.091474][ T5320] R13: dffffc0000000000 R14: 0000000000000008 R15: ffffc9000eeb7ac0 [ 101.095123][ T5320] FS: 00007f75213f56c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 101.098863][ T5320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.101394][ T5320] CR2: 00007f75251f36b8 CR3: 0000000043d27000 CR4: 0000000000352ef0 [ 101.104632][ T5320] Kernel panic - not syncing: Fatal exception [ 101.107335][ T5320] Kernel Offset: disabled [ 101.108958][ T5320] Rebooting in 86400 seconds..