program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/devices/0000:00:01.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000500)='0000:00:01.0\x00', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/devices/0000:00:01.0/driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='i915\x00', 0x5) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/bus/pci/drivers/i915/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='0000:00:01.0\x00', 0xd) close(r2) [ 85.470778][ T4637] Bluetooth: hci0: command tx timeout [ 85.620632][ T5308] Console: switching to colour dummy device 80x25 [ 85.968778][ T5309] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN NOPTI [ 85.973268][ T5309] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 85.976129][ T5309] CPU: 0 UID: 0 PID: 5309 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.979369][ T5309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.983157][ T5309] RIP: 0010:i915_pci_probe+0x58/0x470 [ 85.985250][ T5309] Code: 7b 18 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 ba eb 96 fc 4d 8b 3f 49 8d 5f 1c 4d 8d 6f 23 49 89 dc 49 c1 ec 03 <43> 0f b6 04 34 84 c0 0f 85 be 02 00 00 4c 89 e8 48 c1 e8 03 42 0f [ 85.992272][ T5309] RSP: 0018:ffffc9000dfe7970 EFLAGS: 00010207 [ 85.994540][ T5309] RAX: 1ffffffff189cdeb RBX: 000000000000001c RCX: 0000000000100000 [ 85.997469][ T5309] RDX: ffffc9000f689000 RSI: 0000000000000903 RDI: 0000000000000904 [ 86.000173][ T5309] RBP: ffff88801d268000 R08: ffffffff9057b437 R09: 1ffffffff20af686 [ 86.002864][ T5309] R10: dffffc0000000000 R11: ffffffff859f5bb0 R12: 0000000000000003 [ 86.005888][ T5309] R13: 0000000000000023 R14: dffffc0000000000 R15: 0000000000000000 [ 86.008762][ T5309] FS: 00007f8a24bd16c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 [ 86.012077][ T5309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.014593][ T5309] CR2: 00007fb99d386c80 CR3: 0000000013288000 CR4: 0000000000352ef0 [ 86.018405][ T5309] Call Trace: [ 86.020130][ T5309] [ 86.021900][ T5309] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 86.024909][ T5309] pci_device_probe+0x431/0xc90 [ 86.027392][ T5309] ? up_write+0x19f/0x4a0 [ 86.029635][ T5309] ? __pfx_pci_device_probe+0x10/0x10 [ 86.032166][ T5309] ? kernfs_put+0x7b9/0x820 [ 86.034068][ T5309] ? kernfs_create_link+0x187/0x200 [ 86.036183][ T5309] ? sysfs_do_create_link_sd+0xe0/0x110 [ 86.039045][ T5309] ? driver_sysfs_add+0x1fe/0x210 [ 86.041626][ T5309] ? __pfx_pci_device_probe+0x10/0x10 [ 86.044153][ T5309] really_probe+0x254/0xae0 [ 86.046053][ T5309] __driver_probe_device+0x1e8/0x360 [ 86.048380][ T5309] device_driver_attach+0xe0/0x1d0 [ 86.050923][ T5309] bind_store+0x1d0/0x220 [ 86.052952][ T5309] ? __pfx_sysfs_kf_write+0x10/0x10 [ 86.055368][ T5309] kernfs_fop_write_iter+0x3a4/0x540 [ 86.057788][ T5309] vfs_write+0x612/0xba0 [ 86.059601][ T5309] ? __pfx_vfs_write+0x10/0x10 [ 86.061492][ T5309] ? __fget_files+0x2a/0x420 [ 86.063394][ T5309] ksys_write+0x150/0x270 [ 86.065050][ T5309] ? __pfx_ksys_write+0x10/0x10 [ 86.066836][ T5309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.069156][ T5309] do_syscall_64+0x174/0x580 [ 86.070961][ T5309] ? trace_irq_disable+0x3b/0x140 [ 86.072918][ T5309] ? clear_bhb_loop+0x70/0xc0 [ 86.074649][ T5309] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.076799][ T5309] RIP: 0033:0x7f8a23d9e0d9 [ 86.078540][ T5309] 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 [ 86.087263][ T5309] RSP: 002b:00007f8a24bd0fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.090441][ T5309] RAX: ffffffffffffffda RBX: 00007f8a24026090 RCX: 00007f8a23d9e0d9 [ 86.093762][ T5309] RDX: 000000000000000d RSI: 0000200000000500 RDI: 0000000000000003 [ 86.097064][ T5309] RBP: 00007f8a23e35024 R08: 0000000000000000 R09: 0000000000000000 [ 86.100265][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.103525][ T5309] R13: 00007f8a24026128 R14: 00007f8a24026090 R15: 00007fff3cac7718 [ 86.106759][ T5309] [ 86.108080][ T5309] Modules linked in: [ 86.110780][ T5309] ---[ end trace 0000000000000000 ]--- [ 86.165067][ T5309] RIP: 0010:i915_pci_probe+0x58/0x470 [ 86.167759][ T5309] Code: 7b 18 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 ba eb 96 fc 4d 8b 3f 49 8d 5f 1c 4d 8d 6f 23 49 89 dc 49 c1 ec 03 <43> 0f b6 04 34 84 c0 0f 85 be 02 00 00 4c 89 e8 48 c1 e8 03 42 0f [ 86.175654][ T5309] RSP: 0018:ffffc9000dfe7970 EFLAGS: 00010207 [ 86.178251][ T5309] RAX: 1ffffffff189cdeb RBX: 000000000000001c RCX: 0000000000100000 [ 86.181520][ T5309] RDX: ffffc9000f689000 RSI: 0000000000000903 RDI: 0000000000000904 [ 86.184684][ T5309] RBP: ffff88801d268000 R08: ffffffff9057b437 R09: 1ffffffff20af686 [ 86.188281][ T5309] R10: dffffc0000000000 R11: ffffffff859f5bb0 R12: 0000000000000003 [ 86.191934][ T5309] R13: 0000000000000023 R14: dffffc0000000000 R15: 0000000000000000 [ 86.194827][ T5309] FS: 00007f8a24bd16c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 [ 86.198774][ T5309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.201936][ T5309] CR2: 00007f8a23c6fda0 CR3: 0000000013288000 CR4: 0000000000352ef0 [ 86.205194][ T5309] Kernel panic - not syncing: Fatal exception [ 86.208196][ T5309] Kernel Offset: disabled [ 86.209951][ T5309] Rebooting in 86400 seconds..