program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='sysfs\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:02.0/driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000250)='0000:00:02.0\x00', 0xd) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:02.0/driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000150)='i915\x00', 0x5) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/i915/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000250)='0000:00:02.0\x00', 0xd) close(r2) [ 87.062232][ T4641] Bluetooth: hci0: command tx timeout [ 87.130045][ T5313] e1000e 0000:00:02.0 eth1: removed PHC [ 87.354745][ T5313] e1000e 0000:00:02.0 eth1: NIC Link is Down [ 87.538510][ T5314] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN NOPTI [ 87.542510][ T5314] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 87.545742][ T5314] CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.548965][ T5314] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.552777][ T5314] RIP: 0010:i915_pci_probe+0x58/0x470 [ 87.554826][ T5314] 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 [ 87.561726][ T5314] RSP: 0018:ffffc9000d85f970 EFLAGS: 00010207 [ 87.563938][ T5314] RAX: 1ffffffff189cdeb RBX: 000000000000001c RCX: 0000000000100000 [ 87.566764][ T5314] RDX: ffffc9000f469000 RSI: 0000000000000bf7 RDI: 0000000000000bf8 [ 87.569595][ T5314] RBP: ffff88801f884000 R08: ffffffff9057b437 R09: 1ffffffff20af686 [ 87.572480][ T5314] R10: dffffc0000000000 R11: ffffffff859f5bb0 R12: 0000000000000003 [ 87.575658][ T5314] R13: 0000000000000023 R14: dffffc0000000000 R15: 0000000000000000 [ 87.578866][ T5314] FS: 00007faabf1d66c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 [ 87.582521][ T5314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.585418][ T5314] CR2: 00007fbb8da03565 CR3: 0000000043472000 CR4: 0000000000352ef0 [ 87.588729][ T5314] Call Trace: [ 87.590186][ T5314] [ 87.591430][ T5314] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 87.594043][ T5314] pci_device_probe+0x431/0xc90 [ 87.595900][ T5314] ? up_write+0x19f/0x4a0 [ 87.597708][ T5314] ? __pfx_pci_device_probe+0x10/0x10 [ 87.599811][ T5314] ? kernfs_put+0x7b9/0x820 [ 87.601628][ T5314] ? kernfs_create_link+0x187/0x200 [ 87.603591][ T5314] ? sysfs_do_create_link_sd+0xe0/0x110 [ 87.605581][ T5314] ? driver_sysfs_add+0x1fe/0x210 [ 87.607509][ T5314] ? __pfx_pci_device_probe+0x10/0x10 [ 87.609302][ T5314] really_probe+0x254/0xae0 [ 87.610896][ T5314] __driver_probe_device+0x1e8/0x360 [ 87.612868][ T5314] device_driver_attach+0xe0/0x1d0 [ 87.614823][ T5314] bind_store+0x1d0/0x220 [ 87.616527][ T5314] ? __pfx_sysfs_kf_write+0x10/0x10 [ 87.618657][ T5314] kernfs_fop_write_iter+0x3a4/0x540 [ 87.620570][ T5314] vfs_write+0x612/0xba0 [ 87.622141][ T5314] ? __pfx_vfs_write+0x10/0x10 [ 87.623853][ T5314] ? __fget_files+0x2a/0x420 [ 87.625429][ T5314] ksys_write+0x150/0x270 [ 87.626931][ T5314] ? __pfx_ksys_write+0x10/0x10 [ 87.628579][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.630623][ T5314] do_syscall_64+0x174/0x580 [ 87.632234][ T5314] ? trace_irq_disable+0x3b/0x140 [ 87.634049][ T5314] ? clear_bhb_loop+0x70/0xc0 [ 87.635661][ T5314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.637688][ T5314] RIP: 0033:0x7faabe39e0d9 [ 87.639245][ T5314] 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 [ 87.645809][ T5314] RSP: 002b:00007faabf1d5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.648590][ T5314] RAX: ffffffffffffffda RBX: 00007faabe626090 RCX: 00007faabe39e0d9 [ 87.651305][ T5314] RDX: 000000000000000d RSI: 0000200000000250 RDI: 0000000000000003 [ 87.654340][ T5314] RBP: 00007faabe435024 R08: 0000000000000000 R09: 0000000000000000 [ 87.657197][ T5314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.660173][ T5314] R13: 00007faabe626128 R14: 00007faabe626090 R15: 00007ffd2894f328 [ 87.663021][ T5314] [ 87.664122][ T5314] Modules linked in: [ 87.665922][ T5314] ---[ end trace 0000000000000000 ]--- [ 87.726235][ T5314] RIP: 0010:i915_pci_probe+0x58/0x470 [ 87.737007][ T5314] 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 [ 87.754091][ T5314] RSP: 0018:ffffc9000d85f970 EFLAGS: 00010207 [ 87.756353][ T5314] RAX: 1ffffffff189cdeb RBX: 000000000000001c RCX: 0000000000100000 [ 87.765194][ T5314] RDX: ffffc9000f469000 RSI: 0000000000000bf7 RDI: 0000000000000bf8 [ 87.768114][ T5314] RBP: ffff88801f884000 R08: ffffffff9057b437 R09: 1ffffffff20af686 [ 87.775359][ T5314] R10: dffffc0000000000 R11: ffffffff859f5bb0 R12: 0000000000000003 [ 87.785193][ T5314] R13: 0000000000000023 R14: dffffc0000000000 R15: 0000000000000000 [ 87.788831][ T5314] FS: 00007faabf1d66c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 [ 87.798427][ T5314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.802947][ T5314] CR2: 00007fb17edeaeb8 CR3: 0000000043472000 CR4: 0000000000352ef0 [ 87.813117][ T5314] Kernel panic - not syncing: Fatal exception [ 87.815541][ T5314] Kernel Offset: disabled [ 87.817004][ T5314] Rebooting in 86400 seconds..