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/driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='thunderbolt\x00', 0xc) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0) write(r2, &(0x7f00000001c0)='0000:00:03.0\x00', 0xd) [ 107.632631][ T5325] BUG: unable to handle page fault for address: 00000000000556e0 [ 107.635613][ T5325] #PF: supervisor read access in kernel mode [ 107.637699][ T5325] #PF: error_code(0x0000) - not-present page [ 107.639883][ T5325] PGD 0 P4D 0 [ 107.641205][ T5325] Oops: Oops: 0000 [#1] SMP KASAN NOPTI [ 107.643543][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 107.647113][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 107.651255][ T5325] RIP: 0010:ioread32+0x1c/0x80 [ 107.653412][ T5325] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 53 48 89 fb e8 e2 b5 e7 fc 48 81 fb 00 00 04 00 72 09 e8 d4 b5 e7 fc <8b> 03 eb 55 48 81 fb 01 00 01 00 72 0a e8 c2 b5 e7 fc 89 da ed eb [ 107.661227][ T5325] RSP: 0018:ffffc9000dd1f850 EFLAGS: 00010287 [ 107.663813][ T5325] RAX: ffffffff84df6cec RBX: 00000000000556e0 RCX: 0000000000100000 [ 107.667108][ T5325] RDX: ffffc90020001000 RSI: 0000000000016dc5 RDI: 0000000000016dc6 [ 107.670387][ T5325] RBP: 1ffff11007eed510 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 107.673421][ T5325] R10: dffffc0000000000 R11: fffffbfff20af847 R12: ffff88803f76a888 [ 107.676530][ T5325] R13: ffff88801f87c0d0 R14: ffff88803f76a838 R15: 1ffff11007eed511 [ 107.679901][ T5325] FS: 00007f550d8b46c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 107.683766][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.686547][ T5325] CR2: 00000000000556e0 CR3: 0000000012d52000 CR4: 0000000000352ef0 [ 107.689970][ T5325] Call Trace: [ 107.691431][ T5325] [ 107.692748][ T5325] nhi_probe+0xcc/0x880 [ 107.694656][ T5325] nhi_pci_probe+0x46b/0x580 [ 107.696698][ T5325] ? __pfx_nhi_pci_probe+0x10/0x10 [ 107.698940][ T5325] ? __pfx__raw_spin_lock_bh+0x10/0x10 [ 107.701325][ T5325] ? lockdep_hardirqs_on+0x7a/0x110 [ 107.703596][ T5325] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 107.706077][ T5325] pci_device_probe+0x431/0xc90 [ 107.708155][ T5325] ? up_write+0x19f/0x4a0 [ 107.710074][ T5325] ? __pfx_pci_device_probe+0x10/0x10 [ 107.712463][ T5325] ? kernfs_put+0x7b9/0x820 [ 107.714508][ T5325] ? kernfs_create_link+0x187/0x200 [ 107.716808][ T5325] ? sysfs_do_create_link_sd+0xe0/0x110 [ 107.719221][ T5325] ? driver_sysfs_add+0x1fe/0x210 [ 107.721356][ T5325] ? __pfx_pci_device_probe+0x10/0x10 [ 107.723707][ T5325] really_probe+0x254/0xae0 [ 107.725726][ T5325] __driver_probe_device+0x1e8/0x360 [ 107.727977][ T5325] device_driver_attach+0xe0/0x1d0 [ 107.730160][ T5325] bind_store+0x1d0/0x220 [ 107.732035][ T5325] ? __pfx_sysfs_kf_write+0x10/0x10 [ 107.734275][ T5325] kernfs_fop_write_iter+0x3a4/0x540 [ 107.736502][ T5325] vfs_write+0x612/0xba0 [ 107.738195][ T5325] ? __pfx_vfs_write+0x10/0x10 [ 107.740099][ T5325] ? __fget_files+0x2a/0x420 [ 107.741910][ T5325] ksys_write+0x150/0x270 [ 107.744056][ T5325] ? __pfx_ksys_write+0x10/0x10 [ 107.745985][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.748314][ T5325] do_syscall_64+0x174/0x580 [ 107.750187][ T5325] ? trace_irq_disable+0x3b/0x140 [ 107.752312][ T5325] ? clear_bhb_loop+0x40/0x90 [ 107.754254][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.756741][ T5325] RIP: 0033:0x7f550c99e019 [ 107.758679][ T5325] 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 [ 107.766596][ T5325] RSP: 002b:00007f550d8b3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 107.770202][ T5325] RAX: ffffffffffffffda RBX: 00007f550cc26090 RCX: 00007f550c99e019 [ 107.773596][ T5325] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000005 [ 107.776998][ T5325] RBP: 00007f550ca3500c R08: 0000000000000000 R09: 0000000000000000 [ 107.780356][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 107.783782][ T5325] R13: 00007f550cc26128 R14: 00007f550cc26090 R15: 00007ffe6d37af58 [ 107.787140][ T5325] [ 107.788503][ T5325] Modules linked in: [ 107.790238][ T5325] CR2: 00000000000556e0 [ 107.791955][ T5325] ---[ end trace 0000000000000000 ]--- [ 107.794281][ T5325] RIP: 0010:ioread32+0x1c/0x80 [ 107.796341][ T5325] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 53 48 89 fb e8 e2 b5 e7 fc 48 81 fb 00 00 04 00 72 09 e8 d4 b5 e7 fc <8b> 03 eb 55 48 81 fb 01 00 01 00 72 0a e8 c2 b5 e7 fc 89 da ed eb [ 107.804258][ T5325] RSP: 0018:ffffc9000dd1f850 EFLAGS: 00010287 [ 107.806836][ T5325] RAX: ffffffff84df6cec RBX: 00000000000556e0 RCX: 0000000000100000 [ 107.810176][ T5325] RDX: ffffc90020001000 RSI: 0000000000016dc5 RDI: 0000000000016dc6 [ 107.813627][ T5325] RBP: 1ffff11007eed510 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 107.817019][ T5325] R10: dffffc0000000000 R11: fffffbfff20af847 R12: ffff88803f76a888 [ 107.820358][ T5325] R13: ffff88801f87c0d0 R14: ffff88803f76a838 R15: 1ffff11007eed511 [ 107.823625][ T5325] FS: 00007f550d8b46c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 107.827250][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.829986][ T5325] CR2: 00000000000556e0 CR3: 0000000012d52000 CR4: 0000000000352ef0 [ 107.833343][ T5325] Kernel panic - not syncing: Fatal exception [ 107.836334][ T5325] Kernel Offset: disabled [ 107.838225][ T5325] Rebooting in 86400 seconds..