program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:02.0/remove\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/bus/pci/rescan\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='1', 0x1) (fail_nth: 4) [ 94.424669][ T5286] Bluetooth: hci0: command tx timeout [ 94.571665][ T5327] e1000e 0000:00:02.0 eth1: removed PHC [ 94.809722][ T5327] e1000e 0000:00:02.0 eth1: NIC Link is Down [ 95.170177][ T5328] FAULT_INJECTION: forcing a failure. [ 95.170177][ T5328] name failslab, interval 1, probability 0, space 0, times 1 [ 95.187185][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.187198][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.187202][ T5328] Call Trace: [ 95.187206][ T5328] [ 95.187209][ T5328] dump_stack_lvl+0xe8/0x150 [ 95.187294][ T5328] should_fail_ex+0x40c/0x560 [ 95.187335][ T5328] should_failslab+0xa8/0x100 [ 95.187349][ T5328] __kmalloc_node_track_caller_noprof+0x100/0x730 [ 95.187364][ T5328] ? kobject_set_name_vargs+0x61/0x110 [ 95.187408][ T5328] ? kobject_set_name_vargs+0x61/0x110 [ 95.187425][ T5328] kvasprintf+0xeb/0x1a0 [ 95.187443][ T5328] ? __pfx_kvasprintf+0x10/0x10 [ 95.187457][ T5328] ? acpi_dev_for_each_child+0x9b/0xe0 [ 95.187470][ T5328] ? kvasprintf_const+0xe8/0x240 [ 95.187481][ T5328] kobject_set_name_vargs+0x61/0x110 [ 95.187490][ T5328] dev_set_name+0xe2/0x140 [ 95.187506][ T5328] ? __pfx_dev_set_name+0x10/0x10 [ 95.187521][ T5328] ? pci_dev_assign_slot+0x194/0x1b0 [ 95.187532][ T5328] ? set_primary_fwnode+0xd6/0x230 [ 95.187546][ T5328] pci_setup_device+0x56c/0x2670 [ 95.187559][ T5328] ? ksys_write+0x150/0x270 [ 95.187573][ T5328] ? do_syscall_64+0x174/0x580 [ 95.187584][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.187598][ T5328] ? __pfx_pci_setup_device+0x10/0x10 [ 95.187618][ T5328] ? __kasan_kmalloc+0x93/0xb0 [ 95.187630][ T5328] ? __kmalloc_cache_noprof+0x150/0x660 [ 95.187643][ T5328] ? __raw_spin_lock_init+0x45/0x100 [ 95.187656][ T5328] pci_scan_single_device+0x2f4/0x400 [ 95.187672][ T5328] ? __pfx_pci_scan_single_device+0x10/0x10 [ 95.187690][ T5328] pci_scan_slot+0x1ba/0x5a0 [ 95.187704][ T5328] ? __pfx_pci_scan_slot+0x10/0x10 [ 95.187716][ T5328] ? __up_read+0x29c/0x930 [ 95.187734][ T5328] pci_scan_child_bus_extend+0x68/0x7c0 [ 95.187747][ T5328] ? pci_find_next_bus+0x63/0x70 [ 95.187766][ T5328] pci_rescan_bus+0x18/0x40 [ 95.187780][ T5328] rescan_store+0xcc/0x150 [ 95.187794][ T5328] ? __pfx_rescan_store+0x10/0x10 [ 95.187807][ T5328] ? sysfs_file_kobj+0x1e4/0x230 [ 95.187819][ T5328] ? sysfs_kf_write+0x166/0x260 [ 95.187830][ T5328] ? __pfx_sysfs_kf_write+0x10/0x10 [ 95.187839][ T5328] kernfs_fop_write_iter+0x3a4/0x540 [ 95.187858][ T5328] vfs_write+0x612/0xba0 [ 95.187912][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 95.187928][ T5328] ? __fget_files+0x2a/0x420 [ 95.187940][ T5328] ksys_write+0x150/0x270 [ 95.187950][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 95.187963][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.187970][ T5328] do_syscall_64+0x174/0x580 [ 95.187977][ T5328] ? trace_irq_disable+0x3b/0x140 [ 95.187986][ T5328] ? clear_bhb_loop+0x40/0x90 [ 95.187999][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.188009][ T5328] RIP: 0033:0x7f676259de99 [ 95.188020][ T5328] 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 [ 95.188028][ T5328] RSP: 002b:00007f676339dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.188041][ T5328] RAX: ffffffffffffffda RBX: 00007f6762826090 RCX: 00007f676259de99 [ 95.188049][ T5328] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004 [ 95.188055][ T5328] RBP: 00007f676339e050 R08: 0000000000000000 R09: 0000000000000000 [ 95.188062][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 95.188068][ T5328] R13: 00007f6762826128 R14: 00007f6762826090 R15: 00007ffd86c6a578 [ 95.188085][ T5328] [ 95.391777][ T5328] pci (null): [8086:10d3] type 00 class 0x020000 PCIe Root Complex Integrated Endpoint [ 95.412578][ T5328] pci (null): BAR 0 [mem 0xfea80000-0xfea9ffff] [ 95.415169][ T5328] pci (null): BAR 1 [mem 0xfeaa0000-0xfeabffff] [ 95.425208][ T5328] pci (null): BAR 2 [io 0xc080-0xc09f] [ 95.432550][ T5328] pci (null): BAR 3 [mem 0xfeaf0000-0xfeaf3fff] [ 95.445656][ T5328] pci (null): ROM [mem 0xfea00000-0xfea3ffff pref] [ 95.451409][ T5328] pci (null): enabling Extended Tags [ 95.493522][ T5328] ------------[ cut here ]------------ [ 95.495831][ T5328] ret < 0 [ 95.495844][ T5328] WARNING: drivers/pci/probe.c:2768 at pci_device_add+0x1542/0x1910, CPU#0: syz.0.0/5328 [ 95.501466][ T5328] Modules linked in: [ 95.503747][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.508576][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.512837][ T5328] RIP: 0010:pci_device_add+0x1542/0x1910 [ 95.515272][ T5328] Code: f8 ff ff e9 77 f8 ff ff e8 cb 30 ac fc 90 0f 0b 90 e9 a2 f8 ff ff e8 bd 30 ac fc 90 0f 0b 90 e9 69 fc ff ff e8 af 30 ac fc 90 <0f> 0b 90 e9 2f fd ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 4d eb [ 95.523130][ T5328] RSP: 0018:ffffc9000f1df880 EFLAGS: 00010293 [ 95.525576][ T5328] RAX: ffffffff851ae3a1 RBX: 00000000ffffffea RCX: ffff888033568000 [ 95.529032][ T5328] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 [ 95.532396][ T5328] RBP: ffffc9000f1df990 R08: ffff8880331d410b R09: 1ffff1100663a821 [ 95.535559][ T5328] R10: dffffc0000000000 R11: ffffed100663a822 R12: 1ffff1100663a891 [ 95.538946][ T5328] R13: ffff88801f863030 R14: ffff88801b0b6800 R15: ffff8880331d4000 [ 95.542225][ T5328] FS: 00007f676339e6c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 [ 95.545918][ T5328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.548872][ T5328] CR2: 00007f4dce4fa000 CR3: 0000000044960000 CR4: 0000000000352ef0 [ 95.552057][ T5328] Call Trace: [ 95.553541][ T5328] [ 95.554789][ T5328] ? __pfx_pci_device_add+0x10/0x10 [ 95.556830][ T5328] ? __raw_spin_lock_init+0x45/0x100 [ 95.558967][ T5328] pci_scan_single_device+0x3ae/0x400 [ 95.561322][ T5328] ? __pfx_pci_scan_single_device+0x10/0x10 [ 95.563657][ T5328] pci_scan_slot+0x1ba/0x5a0 [ 95.565658][ T5328] ? __pfx_pci_scan_slot+0x10/0x10 [ 95.567762][ T5328] ? __up_read+0x29c/0x930 [ 95.569795][ T5328] pci_scan_child_bus_extend+0x68/0x7c0 [ 95.572041][ T5328] ? pci_find_next_bus+0x63/0x70 [ 95.574173][ T5328] pci_rescan_bus+0x18/0x40 [ 95.576118][ T5328] rescan_store+0xcc/0x150 [ 95.578153][ T5328] ? __pfx_rescan_store+0x10/0x10 [ 95.580303][ T5328] ? sysfs_file_kobj+0x1e4/0x230 [ 95.582238][ T5328] ? sysfs_kf_write+0x166/0x260 [ 95.584242][ T5328] ? __pfx_sysfs_kf_write+0x10/0x10 [ 95.586439][ T5328] kernfs_fop_write_iter+0x3a4/0x540 [ 95.588764][ T5328] vfs_write+0x612/0xba0 [ 95.590476][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 95.592447][ T5328] ? __fget_files+0x2a/0x420 [ 95.594386][ T5328] ksys_write+0x150/0x270 [ 95.595973][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 95.598528][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.601371][ T5328] do_syscall_64+0x174/0x580 [ 95.603289][ T5328] ? trace_irq_disable+0x3b/0x140 [ 95.605687][ T5328] ? clear_bhb_loop+0x40/0x90 [ 95.607599][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.610244][ T5328] RIP: 0033:0x7f676259de99 [ 95.612128][ T5328] 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 [ 95.621663][ T5328] RSP: 002b:00007f676339dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.625259][ T5328] RAX: ffffffffffffffda RBX: 00007f6762826090 RCX: 00007f676259de99 [ 95.628734][ T5328] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004 [ 95.631836][ T5328] RBP: 00007f676339e050 R08: 0000000000000000 R09: 0000000000000000 [ 95.634841][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 95.637895][ T5328] R13: 00007f6762826128 R14: 00007f6762826090 R15: 00007ffd86c6a578 [ 95.640891][ T5328] [ 95.642112][ T5328] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 95.644938][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 95.648477][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 95.652320][ T5328] Call Trace: [ 95.653572][ T5328] [ 95.654685][ T5328] vpanic+0x56c/0xa60 [ 95.656251][ T5328] ? __pfx__printk+0x10/0x10 [ 95.657931][ T5328] ? __pfx_vpanic+0x10/0x10 [ 95.659591][ T5328] ? is_bpf_text_address+0x292/0x2b0 [ 95.661489][ T5328] ? is_bpf_text_address+0x26/0x2b0 [ 95.663407][ T5328] panic+0xc5/0xd0 [ 95.664855][ T5328] ? __pfx_panic+0x10/0x10 [ 95.666571][ T5328] __warn+0x315/0x4c0 [ 95.668119][ T5328] ? pci_device_add+0x1542/0x1910 [ 95.670006][ T5328] ? pci_device_add+0x1542/0x1910 [ 95.672055][ T5328] __report_bug+0x276/0x570 [ 95.673848][ T5328] ? pci_device_add+0x1542/0x1910 [ 95.675827][ T5328] ? __pfx___report_bug+0x10/0x10 [ 95.677826][ T5328] ? pci_device_add+0x1542/0x1910 [ 95.679750][ T5328] report_bug+0x16a/0x220 [ 95.681534][ T5328] ? pci_device_add+0x1542/0x1910 [ 95.683434][ T5328] ? pci_device_add+0x1544/0x1910 [ 95.685425][ T5328] handle_bug+0x9c/0x200 [ 95.687057][ T5328] exc_invalid_op+0x1a/0x50 [ 95.688760][ T5328] asm_exc_invalid_op+0x1a/0x20 [ 95.690603][ T5328] RIP: 0010:pci_device_add+0x1542/0x1910 [ 95.692735][ T5328] Code: f8 ff ff e9 77 f8 ff ff e8 cb 30 ac fc 90 0f 0b 90 e9 a2 f8 ff ff e8 bd 30 ac fc 90 0f 0b 90 e9 69 fc ff ff e8 af 30 ac fc 90 <0f> 0b 90 e9 2f fd ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 4d eb [ 95.699769][ T5328] RSP: 0018:ffffc9000f1df880 EFLAGS: 00010293 [ 95.702082][ T5328] RAX: ffffffff851ae3a1 RBX: 00000000ffffffea RCX: ffff888033568000 [ 95.705040][ T5328] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 [ 95.707998][ T5328] RBP: ffffc9000f1df990 R08: ffff8880331d410b R09: 1ffff1100663a821 [ 95.711011][ T5328] R10: dffffc0000000000 R11: ffffed100663a822 R12: 1ffff1100663a891 [ 95.714072][ T5328] R13: ffff88801f863030 R14: ffff88801b0b6800 R15: ffff8880331d4000 [ 95.717015][ T5328] ? pci_device_add+0x1541/0x1910 [ 95.718926][ T5328] ? __pfx_pci_device_add+0x10/0x10 [ 95.720842][ T5328] ? __raw_spin_lock_init+0x45/0x100 [ 95.723053][ T5328] pci_scan_single_device+0x3ae/0x400 [ 95.725397][ T5328] ? __pfx_pci_scan_single_device+0x10/0x10 [ 95.727828][ T5328] pci_scan_slot+0x1ba/0x5a0 [ 95.729691][ T5328] ? __pfx_pci_scan_slot+0x10/0x10 [ 95.731811][ T5328] ? __up_read+0x29c/0x930 [ 95.733769][ T5328] pci_scan_child_bus_extend+0x68/0x7c0 [ 95.736097][ T5328] ? pci_find_next_bus+0x63/0x70 [ 95.738260][ T5328] pci_rescan_bus+0x18/0x40 [ 95.740387][ T5328] rescan_store+0xcc/0x150 [ 95.742336][ T5328] ? __pfx_rescan_store+0x10/0x10 [ 95.744608][ T5328] ? sysfs_file_kobj+0x1e4/0x230 [ 95.746609][ T5328] ? sysfs_kf_write+0x166/0x260 [ 95.748586][ T5328] ? __pfx_sysfs_kf_write+0x10/0x10 [ 95.750673][ T5328] kernfs_fop_write_iter+0x3a4/0x540 [ 95.752996][ T5328] vfs_write+0x612/0xba0 [ 95.754909][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 95.757039][ T5328] ? __fget_files+0x2a/0x420 [ 95.759014][ T5328] ksys_write+0x150/0x270 [ 95.760865][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 95.762975][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.765433][ T5328] do_syscall_64+0x174/0x580 [ 95.767391][ T5328] ? trace_irq_disable+0x3b/0x140 [ 95.769529][ T5328] ? clear_bhb_loop+0x40/0x90 [ 95.771435][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.773845][ T5328] RIP: 0033:0x7f676259de99 [ 95.775610][ T5328] 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 [ 95.783374][ T5328] RSP: 002b:00007f676339dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 95.786785][ T5328] RAX: ffffffffffffffda RBX: 00007f6762826090 RCX: 00007f676259de99 [ 95.790056][ T5328] RDX: 0000000000000001 RSI: 00002000000001c0 RDI: 0000000000000004 [ 95.793361][ T5328] RBP: 00007f676339e050 R08: 0000000000000000 R09: 0000000000000000 [ 95.796559][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 95.799773][ T5328] R13: 00007f6762826128 R14: 00007f6762826090 R15: 00007ffd86c6a578 [ 95.803120][ T5328] [ 95.804831][ T5328] Kernel Offset: disabled [ 95.806601][ T5328] Rebooting in 86400 seconds..