program: mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:07.0/driver_override\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='thunderbolt\x00', 0xc) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/drivers/thunderbolt/bind\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='0000:00:07.0\x00', 0xd) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/thunderbolt/devices/0-0/authorized\x00', 0x2, 0x0) write(r2, &(0x7f0000000240)='1', 0x1) [ 85.233847][ T5326] BUG: unable to handle page fault for address: ffffc90000e6f640 [ 85.237114][ T5326] #PF: supervisor read access in kernel mode [ 85.239525][ T5326] #PF: error_code(0x0000) - not-present page [ 85.241915][ T5326] PGD 1b000067 P4D 1b000067 PUD 1c2b9067 PMD 3058e067 PTE 0 [ 85.245052][ T5326] Oops: Oops: 0000 [#1] SMP KASAN NOPTI [ 85.247391][ T5326] CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.251021][ T5326] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.255152][ T5326] RIP: 0010:ioread32+0x1c/0x80 [ 85.257103][ T5326] 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 [ 85.264821][ T5326] RSP: 0018:ffffc9000e197850 EFLAGS: 00010283 [ 85.267501][ T5326] RAX: ffffffff84df6cec RBX: ffffc90000e6f640 RCX: 0000000000100000 [ 85.270725][ T5326] RDX: ffffc9000eeca000 RSI: 0000000000000a36 RDI: 0000000000000a37 [ 85.274051][ T5326] RBP: 1ffff110024aa110 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 85.277367][ T5326] R10: dffffc0000000000 R11: fffffbfff20af847 R12: ffff888012550888 [ 85.280531][ T5326] R13: ffff88801d2dc0d0 R14: ffff888012550838 R15: 1ffff110024aa111 [ 85.283879][ T5326] FS: 00007fbb465f56c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 85.287672][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.290449][ T5326] CR2: ffffc90000e6f640 CR3: 000000004363b000 CR4: 0000000000352ef0 [ 85.293752][ T5326] Call Trace: [ 85.295173][ T5326] [ 85.296430][ T5326] nhi_probe+0xcc/0x880 [ 85.298275][ T5326] nhi_pci_probe+0x46b/0x580 [ 85.300265][ T5326] ? __pfx_nhi_pci_probe+0x10/0x10 [ 85.302437][ T5326] ? __pfx__raw_spin_lock_bh+0x10/0x10 [ 85.304626][ T5326] ? lockdep_hardirqs_on+0x7a/0x110 [ 85.306861][ T5326] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 85.309345][ T5326] pci_device_probe+0x431/0xc90 [ 85.311491][ T5326] ? up_write+0x19f/0x4a0 [ 85.313331][ T5326] ? __pfx_pci_device_probe+0x10/0x10 [ 85.315635][ T5326] ? kernfs_put+0x7b9/0x820 [ 85.317625][ T5326] ? kernfs_create_link+0x187/0x200 [ 85.319812][ T5326] ? sysfs_do_create_link_sd+0xe0/0x110 [ 85.322125][ T5326] ? driver_sysfs_add+0x1fe/0x210 [ 85.324255][ T5326] ? __pfx_pci_device_probe+0x10/0x10 [ 85.326528][ T5326] really_probe+0x254/0xae0 [ 85.328499][ T5326] __driver_probe_device+0x1e8/0x360 [ 85.330718][ T5326] device_driver_attach+0xe0/0x1d0 [ 85.332976][ T5326] bind_store+0x1d0/0x220 [ 85.334862][ T5326] ? __pfx_sysfs_kf_write+0x10/0x10 [ 85.337072][ T5326] kernfs_fop_write_iter+0x3a4/0x540 [ 85.339367][ T5326] vfs_write+0x612/0xba0 [ 85.341189][ T5326] ? __pfx_vfs_write+0x10/0x10 [ 85.343455][ T5326] ? __fget_files+0x2a/0x420 [ 85.345443][ T5326] ksys_write+0x150/0x270 [ 85.347295][ T5326] ? __pfx_ksys_write+0x10/0x10 [ 85.349386][ T5326] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.351955][ T5326] do_syscall_64+0x174/0x580 [ 85.353913][ T5326] ? trace_irq_disable+0x3b/0x140 [ 85.356507][ T5326] ? clear_bhb_loop+0x40/0x90 [ 85.358959][ T5326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.362014][ T5326] RIP: 0033:0x7fbb4a19e019 [ 85.363957][ T5326] 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 [ 85.371811][ T5326] RSP: 002b:00007fbb465f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.375268][ T5326] RAX: ffffffffffffffda RBX: 00007fbb4a425fa0 RCX: 00007fbb4a19e019 [ 85.378554][ T5326] RDX: 000000000000000d RSI: 00002000000001c0 RDI: 0000000000000004 [ 85.381973][ T5326] RBP: 00007fbb4a23500c R08: 0000000000000000 R09: 0000000000000000 [ 85.385527][ T5326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 85.388768][ T5326] R13: 00007fbb4a426038 R14: 00007fbb4a425fa0 R15: 00007fff92dd3c18 [ 85.392005][ T5326] [ 85.393327][ T5326] Modules linked in: [ 85.395015][ T5326] CR2: ffffc90000e6f640 [ 85.396755][ T5326] ---[ end trace 0000000000000000 ]--- [ 85.399034][ T5326] RIP: 0010:ioread32+0x1c/0x80 [ 85.400988][ T5326] 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 [ 85.408360][ T5326] RSP: 0018:ffffc9000e197850 EFLAGS: 00010283 [ 85.410935][ T5326] RAX: ffffffff84df6cec RBX: ffffc90000e6f640 RCX: 0000000000100000 [ 85.414149][ T5326] RDX: ffffc9000eeca000 RSI: 0000000000000a36 RDI: 0000000000000a37 [ 85.417468][ T5326] RBP: 1ffff110024aa110 R08: ffffffff9057c237 R09: 1ffffffff20af846 [ 85.420682][ T5326] R10: dffffc0000000000 R11: fffffbfff20af847 R12: ffff888012550888 [ 85.424022][ T5326] R13: ffff88801d2dc0d0 R14: ffff888012550838 R15: 1ffff110024aa111 [ 85.427341][ T5326] FS: 00007fbb465f56c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000 [ 85.431198][ T5326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.433662][ T5326] CR2: ffffc90000e6f640 CR3: 000000004363b000 CR4: 0000000000352ef0 [ 85.436367][ T5326] Kernel panic - not syncing: Fatal exception [ 85.438676][ T5326] Kernel Offset: disabled [ 85.440149][ T5326] Rebooting in 86400 seconds..