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', 0x2, 0x0) write(r1, &(0x7f0000000100)='thunderbolt\x00', 0xc) r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0) write(r2, &(0x7f0000000180)='0000:00:03.0\x00', 0xd) [ 85.898613][ T5325] BUG: unable to handle page fault for address: 00000000000556e0 [ 85.901379][ T5325] #PF: supervisor read access in kernel mode [ 85.903388][ T5325] #PF: error_code(0x0000) - not-present page [ 85.905385][ T5325] PGD 0 P4D 0 [ 85.906522][ T5325] Oops: Oops: 0000 [#1] SMP KASAN NOPTI [ 85.908385][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.911475][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.914815][ T5325] RIP: 0010:ioread32+0x1c/0x80 [ 85.916493][ 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 [ 85.923361][ T5325] RSP: 0000:ffffc9000de07850 EFLAGS: 00010283 [ 85.925805][ T5325] RAX: ffffffff84df6cec RBX: 00000000000556e0 RCX: 0000000000100000 [ 85.929014][ T5325] RDX: ffffc90020001000 RSI: 0000000000016290 RDI: 0000000000016291 [ 85.932194][ T5325] RBP: 1ffff11007fc8a90 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 85.935385][ T5325] R10: dffffc0000000000 R11: fffffbfff20af847 R12: ffff88803fe45488 [ 85.938529][ T5325] R13: ffff88801d2840d0 R14: ffff88803fe45438 R15: 1ffff11007fc8a91 [ 85.941631][ T5325] FS: 00007f49ae77e6c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 85.945000][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.947425][ T5325] CR2: 00000000000556e0 CR3: 0000000012989000 CR4: 0000000000352ef0 [ 85.950172][ T5325] Call Trace: [ 85.951439][ T5325] [ 85.952589][ T5325] nhi_probe+0xcc/0x880 [ 85.954192][ T5325] nhi_pci_probe+0x46b/0x580 [ 85.955885][ T5325] ? __pfx_nhi_pci_probe+0x10/0x10 [ 85.957816][ T5325] ? __pfx__raw_spin_lock_bh+0x10/0x10 [ 85.959967][ T5325] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.962266][ T5325] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 85.964473][ T5325] pci_device_probe+0x431/0xc90 [ 85.966480][ T5325] ? up_write+0x19f/0x4a0 [ 85.968208][ T5325] ? __pfx_pci_device_probe+0x10/0x10 [ 85.970135][ T5325] ? kernfs_put+0x7b9/0x820 [ 85.971922][ T5325] ? kernfs_create_link+0x187/0x200 [ 85.973829][ T5325] ? sysfs_do_create_link_sd+0xe0/0x110 [ 85.975953][ T5325] ? driver_sysfs_add+0x1fe/0x210 [ 85.977956][ T5325] ? __pfx_pci_device_probe+0x10/0x10 [ 85.980004][ T5325] really_probe+0x254/0xae0 [ 85.981811][ T5325] __driver_probe_device+0x1e8/0x360 [ 85.983823][ T5325] device_driver_attach+0xe0/0x1d0 [ 85.985864][ T5325] bind_store+0x1d0/0x220 [ 85.987629][ T5325] ? __pfx_sysfs_kf_write+0x10/0x10 [ 85.989707][ T5325] kernfs_fop_write_iter+0x3a4/0x540 [ 85.991853][ T5325] vfs_write+0x612/0xba0 [ 85.993468][ T5325] ? __pfx_vfs_write+0x10/0x10 [ 85.995386][ T5325] ? __fget_files+0x2a/0x420 [ 85.997359][ T5325] ksys_write+0x150/0x270 [ 85.999347][ T5325] ? __pfx_ksys_write+0x10/0x10 [ 86.001596][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.004124][ T5325] do_syscall_64+0x174/0x580 [ 86.006091][ T5325] ? trace_irq_disable+0x3b/0x140 [ 86.008232][ T5325] ? clear_bhb_loop+0x40/0x90 [ 86.010193][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.012690][ T5325] RIP: 0033:0x7f49ad99e019 [ 86.014575][ 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 [ 86.022113][ T5325] RSP: 002b:00007f49ae77dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.025764][ T5325] RAX: ffffffffffffffda RBX: 00007f49adc26090 RCX: 00007f49ad99e019 [ 86.029099][ T5325] RDX: 000000000000000d RSI: 0000200000000180 RDI: 0000000000000005 [ 86.032395][ T5325] RBP: 00007f49ada3500c R08: 0000000000000000 R09: 0000000000000000 [ 86.035690][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.039026][ T5325] R13: 00007f49adc26128 R14: 00007f49adc26090 R15: 00007ffeabc40568 [ 86.042366][ T5325] [ 86.043566][ T5325] Modules linked in: [ 86.045048][ T5325] CR2: 00000000000556e0 [ 86.046548][ T5325] ---[ end trace 0000000000000000 ]--- [ 86.048471][ T5325] RIP: 0010:ioread32+0x1c/0x80 [ 86.050073][ 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 [ 86.056369][ T5325] RSP: 0000:ffffc9000de07850 EFLAGS: 00010283 [ 86.058358][ T5325] RAX: ffffffff84df6cec RBX: 00000000000556e0 RCX: 0000000000100000 [ 86.060957][ T5325] RDX: ffffc90020001000 RSI: 0000000000016290 RDI: 0000000000016291 [ 86.063569][ T5325] RBP: 1ffff11007fc8a90 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 86.066108][ T5325] R10: dffffc0000000000 R11: fffffbfff20af847 R12: ffff88803fe45488 [ 86.068848][ T5325] R13: ffff88801d2840d0 R14: ffff88803fe45438 R15: 1ffff11007fc8a91 [ 86.071546][ T5325] FS: 00007f49ae77e6c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 86.074570][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.076854][ T5325] CR2: 00000000000556e0 CR3: 0000000012989000 CR4: 0000000000352ef0 [ 86.079560][ T5325] Kernel panic - not syncing: Fatal exception [ 86.081975][ T5325] Kernel Offset: disabled [ 86.083446][ T5325] Rebooting in 86400 seconds..