program: mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./my_sys/bus/pci/devices/0000:00:01.0/remove\x00', 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = memfd_create(&(0x7f0000000300)='/dev/loop#\x00\xee\b\xce\xde\xe9\x8d\xd2\xd59\xe8\xda\b\xd6\xb2\x15\xf6F\xb8\xb4{r.\xd2\xea\xec\xdbXe&J \xe9\x16\x82\xe8=\x83\x88sN\x83N`\xf9\xec\xe1\xb16\xfb*\xf5\xd5\\\xa7\xebe\xbe\x9d\xd7\xf5\xb9<\xb2\xc4\xf9:\xef\xc0g\xc3\xb5\x7f\xc0\xcck.5=\xcc\x10Y\xad^*\x10\x00\x00\x00\x00\x00\x00\x00\x0e%\x84\x95bXy\x81;o\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa9{b\xab\x91\x88\xba\xa5J\xfd\xd2\x96R\x06\xeeP\x0f\xb0\xad_\x0e\xf6\xe7k\xbf\x93)\x02yX\x91\xc0\xef\x10\xd2\xbd9\x87<[BKq\t*t\x9e\xf9\xa6\xb5\xda\tb\xcc%?\x14Y\x9b\x18nx\x19\x11\xb7\x9d~\xc5{O\xd0S\xbdi\xf8\"P>4\x05E|h?\x0f\xf5\xf8\x8c\xce\xebXN\xb7\xc0F\xbao\xf7\xab\xedO\x96\xa1(\n\x1e\xf9\xbe/\xe0\xe2^\xb0\xb6{\x1fdX\x100v\xab\xce\x05\x00i\x85\xf63\x05\b\xd8\xeb\xdf\x00\x00]N\xe1\x9di&\r\xd2pw\x85\vQ \x82v\x8a7\xb6\xf8\x1c\x8c\xf0\xaf\xfa\x17\xbeD\a\vM\x87\xc0Q\xd4\xd3\xc7I@Z\t\xa9\xf0\x9d4c\xb1^\xeeF\x96\xa1{OV\xe0\x1e#\xb3w\xc7\x87\xdd\'\xe1\xf7\'+s\x15\xeb\xb1D\x86\x93\x1e\xf9\xf1L\x0f\x9b7/\xd9D\x91\xc47hI\xbc\x13.@R\v\x00\x00\x00\x00\x00\x00\x00\xe2\xc8\xb2\x9bD\xb2P\xdc\xd4\xb1\xa50\x9f\x83~)\x9b7-\x80&r\xbc\xf6 [ 96.171382][ T5332] dump_stack_lvl+0xe8/0x150 [ 96.171446][ T5332] should_fail_ex+0x40c/0x560 [ 96.171493][ T5332] should_failslab+0xa8/0x100 [ 96.171531][ T5332] __kmalloc_node_track_caller_noprof+0x100/0x730 [ 96.171547][ T5332] ? kobject_set_name_vargs+0x61/0x110 [ 96.171642][ T5332] ? kobject_set_name_vargs+0x61/0x110 [ 96.171658][ T5332] kvasprintf+0xeb/0x1a0 [ 96.171675][ T5332] ? __pfx_kvasprintf+0x10/0x10 [ 96.171688][ T5332] ? acpi_dev_for_each_child+0x9b/0xe0 [ 96.171707][ T5332] ? kvasprintf_const+0xe8/0x240 [ 96.171723][ T5332] kobject_set_name_vargs+0x61/0x110 [ 96.171738][ T5332] dev_set_name+0xe2/0x140 [ 96.171755][ T5332] ? __pfx_dev_set_name+0x10/0x10 [ 96.171771][ T5332] ? pci_dev_assign_slot+0x194/0x1b0 [ 96.171781][ T5332] ? set_primary_fwnode+0xd6/0x230 [ 96.171794][ T5332] pci_setup_device+0x56c/0x2670 [ 96.171806][ T5332] ? ksys_write+0x150/0x270 [ 96.171819][ T5332] ? do_syscall_64+0x174/0x580 [ 96.171830][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.171847][ T5332] ? __pfx_pci_setup_device+0x10/0x10 [ 96.171879][ T5332] ? __kasan_kmalloc+0x93/0xb0 [ 96.171894][ T5332] ? __kmalloc_cache_noprof+0x150/0x660 [ 96.171908][ T5332] ? __raw_spin_lock_init+0x45/0x100 [ 96.171921][ T5332] pci_scan_single_device+0x2f4/0x400 [ 96.171934][ T5332] ? preempt_schedule_thunk+0x16/0x40 [ 96.171948][ T5332] ? __pfx_pci_scan_single_device+0x10/0x10 [ 96.171966][ T5332] pci_scan_slot+0x1ba/0x5a0 [ 96.171980][ T5332] ? __pfx_pci_scan_slot+0x10/0x10 [ 96.171990][ T5332] ? __up_read+0x29c/0x930 [ 96.172008][ T5332] pci_scan_child_bus_extend+0x68/0x7c0 [ 96.172021][ T5332] ? pci_find_next_bus+0x63/0x70 [ 96.172045][ T5332] pci_rescan_bus+0x18/0x40 [ 96.172060][ T5332] rescan_store+0xcc/0x150 [ 96.172074][ T5332] ? __pfx_rescan_store+0x10/0x10 [ 96.172087][ T5332] ? sysfs_file_kobj+0x1e4/0x230 [ 96.172098][ T5332] ? sysfs_kf_write+0x166/0x260 [ 96.172111][ T5332] ? __pfx_sysfs_kf_write+0x10/0x10 [ 96.172121][ T5332] kernfs_fop_write_iter+0x3a4/0x540 [ 96.172140][ T5332] vfs_write+0x612/0xba0 [ 96.172160][ T5332] ? __pfx_vfs_write+0x10/0x10 [ 96.172181][ T5332] ? __fget_files+0x2a/0x420 [ 96.172201][ T5332] ksys_write+0x150/0x270 [ 96.172216][ T5332] ? __pfx_ksys_write+0x10/0x10 [ 96.172234][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.172245][ T5332] do_syscall_64+0x174/0x580 [ 96.172256][ T5332] ? trace_irq_disable+0x3b/0x140 [ 96.172269][ T5332] ? clear_bhb_loop+0x40/0x90 [ 96.172282][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.172292][ T5332] RIP: 0033:0x7fb9a279e019 [ 96.172304][ T5332] 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 [ 96.172312][ T5332] RSP: 002b:00007fb9a3599fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.172324][ T5332] RAX: ffffffffffffffda RBX: 00007fb9a2a25fa0 RCX: 00007fb9a279e019 [ 96.172331][ T5332] RDX: 0000000000000001 RSI: 0000200000000a00 RDI: 0000000000000007 [ 96.172336][ T5332] RBP: 00007fb9a359a050 R08: 0000000000000000 R09: 0000000000000000 [ 96.172342][ T5332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 96.172348][ T5332] R13: 00007fb9a2a26038 R14: 00007fb9a2a25fa0 R15: 00007ffcace627c8 [ 96.172366][ T5332] [ 96.319664][ T5332] pci (null): [1af4:1050] type 00 class 0x030000 conventional PCI endpoint [ 96.342446][ T5332] pci (null): BAR 0 [mem 0xfc000000-0xfc7fffff pref] [ 96.345454][ T5332] pci (null): BAR 2 [mem 0xfca00000-0xfca03fff 64bit pref] [ 96.348501][ T5332] pci (null): BAR 4 [mem 0xfeaf4000-0xfeaf4fff] [ 96.351383][ T5332] pci (null): ROM [mem 0xfeae0000-0xfeaeffff pref] [ 96.356550][ T5332] pci (null): Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 96.365549][ T5332] ------------[ cut here ]------------ [ 96.368043][ T5332] ret < 0 [ 96.368054][ T5332] WARNING: drivers/pci/probe.c:2768 at pci_device_add+0x1542/0x1910, CPU#0: syz.0.0/5332 [ 96.373633][ T5332] Modules linked in: [ 96.376155][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 96.379952][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 96.384497][ T5332] RIP: 0010:pci_device_add+0x1542/0x1910 [ 96.386942][ T5332] Code: f8 ff ff e9 77 f8 ff ff e8 7b 33 ac fc 90 0f 0b 90 e9 a2 f8 ff ff e8 6d 33 ac fc 90 0f 0b 90 e9 69 fc ff ff e8 5f 33 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 [ 96.395831][ T5332] RSP: 0018:ffffc9000e567880 EFLAGS: 00010293 [ 96.398439][ T5332] RAX: ffffffff851af1c1 RBX: 00000000ffffffea RCX: ffff8880006c2540 [ 96.401604][ T5332] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 [ 96.407064][ T5332] RBP: ffffc9000e567990 R08: ffff888012fce10b R09: 1ffff110025f9c21 [ 96.410575][ T5332] R10: dffffc0000000000 R11: ffffed10025f9c22 R12: 1ffff110025f9c91 [ 96.415555][ T5332] R13: ffff88801d25b030 R14: ffff88801b0b6800 R15: ffff888012fce000 [ 96.419670][ T5332] FS: 00007fb9a359a6c0(0000) GS:ffff88808c53f000(0000) knlGS:0000000000000000 [ 96.423916][ T5332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.426739][ T5332] CR2: 00007fb9a3598ec0 CR3: 0000000043821000 CR4: 0000000000352ef0 [ 96.430102][ T5332] Call Trace: [ 96.431555][ T5332] [ 96.432927][ T5332] ? __pfx_pci_device_add+0x10/0x10 [ 96.435166][ T5332] ? __kmalloc_cache_noprof+0x150/0x660 [ 96.437531][ T5332] ? __raw_spin_lock_init+0x45/0x100 [ 96.439869][ T5332] pci_scan_single_device+0x3ae/0x400 [ 96.442330][ T5332] ? preempt_schedule_thunk+0x16/0x40 [ 96.444652][ T5332] ? __pfx_pci_scan_single_device+0x10/0x10 [ 96.447195][ T5332] pci_scan_slot+0x1ba/0x5a0 [ 96.449253][ T5332] ? __pfx_pci_scan_slot+0x10/0x10 [ 96.451471][ T5332] ? __up_read+0x29c/0x930 [ 96.453443][ T5332] pci_scan_child_bus_extend+0x68/0x7c0 [ 96.455792][ T5332] ? pci_find_next_bus+0x63/0x70 [ 96.457859][ T5332] pci_rescan_bus+0x18/0x40 [ 96.459786][ T5332] rescan_store+0xcc/0x150 [ 96.461615][ T5332] ? __pfx_rescan_store+0x10/0x10 [ 96.463741][ T5332] ? sysfs_file_kobj+0x1e4/0x230 [ 96.465715][ T5332] ? sysfs_kf_write+0x166/0x260 [ 96.467632][ T5332] ? __pfx_sysfs_kf_write+0x10/0x10 [ 96.469706][ T5332] kernfs_fop_write_iter+0x3a4/0x540 [ 96.471892][ T5332] vfs_write+0x612/0xba0 [ 96.473691][ T5332] ? __pfx_vfs_write+0x10/0x10 [ 96.475765][ T5332] ? __fget_files+0x2a/0x420 [ 96.477741][ T5332] ksys_write+0x150/0x270 [ 96.479526][ T5332] ? __pfx_ksys_write+0x10/0x10 [ 96.481577][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.486287][ T5332] do_syscall_64+0x174/0x580 [ 96.488425][ T5332] ? trace_irq_disable+0x3b/0x140 [ 96.490535][ T5332] ? clear_bhb_loop+0x40/0x90 [ 96.492696][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.495286][ T5332] RIP: 0033:0x7fb9a279e019 [ 96.497218][ T5332] 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 [ 96.505479][ T5332] RSP: 002b:00007fb9a3599fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.508987][ T5332] RAX: ffffffffffffffda RBX: 00007fb9a2a25fa0 RCX: 00007fb9a279e019 [ 96.512175][ T5332] RDX: 0000000000000001 RSI: 0000200000000a00 RDI: 0000000000000007 [ 96.515454][ T5332] RBP: 00007fb9a359a050 R08: 0000000000000000 R09: 0000000000000000 [ 96.518647][ T5332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 96.522448][ T5332] R13: 00007fb9a2a26038 R14: 00007fb9a2a25fa0 R15: 00007ffcace627c8 [ 96.525897][ T5332] [ 96.527252][ T5332] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 96.530406][ T5332] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 96.534340][ T5332] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 96.538732][ T5332] Call Trace: [ 96.540209][ T5332] [ 96.541525][ T5332] vpanic+0x56c/0xa60 [ 96.543271][ T5332] ? __pfx__printk+0x10/0x10 [ 96.545289][ T5332] ? __pfx_vpanic+0x10/0x10 [ 96.547244][ T5332] ? is_bpf_text_address+0x292/0x2b0 [ 96.549491][ T5332] ? is_bpf_text_address+0x26/0x2b0 [ 96.551629][ T5332] panic+0xc5/0xd0 [ 96.553228][ T5332] ? __pfx_panic+0x10/0x10 [ 96.555171][ T5332] __warn+0x315/0x4c0 [ 96.556905][ T5332] ? pci_device_add+0x1542/0x1910 [ 96.559119][ T5332] ? pci_device_add+0x1542/0x1910 [ 96.561282][ T5332] __report_bug+0x276/0x570 [ 96.563226][ T5332] ? pci_device_add+0x1542/0x1910 [ 96.565369][ T5332] ? __pfx___report_bug+0x10/0x10 [ 96.567468][ T5332] ? pci_device_add+0x1542/0x1910 [ 96.569596][ T5332] report_bug+0x16a/0x220 [ 96.571455][ T5332] ? pci_device_add+0x1542/0x1910 [ 96.573560][ T5332] ? pci_device_add+0x1544/0x1910 [ 96.575643][ T5332] handle_bug+0x9c/0x200 [ 96.577451][ T5332] exc_invalid_op+0x1a/0x50 [ 96.579351][ T5332] asm_exc_invalid_op+0x1a/0x20 [ 96.581374][ T5332] RIP: 0010:pci_device_add+0x1542/0x1910 [ 96.583780][ T5332] Code: f8 ff ff e9 77 f8 ff ff e8 7b 33 ac fc 90 0f 0b 90 e9 a2 f8 ff ff e8 6d 33 ac fc 90 0f 0b 90 e9 69 fc ff ff e8 5f 33 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 [ 96.591881][ T5332] RSP: 0018:ffffc9000e567880 EFLAGS: 00010293 [ 96.594349][ T5332] RAX: ffffffff851af1c1 RBX: 00000000ffffffea RCX: ffff8880006c2540 [ 96.597478][ T5332] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 [ 96.600573][ T5332] RBP: ffffc9000e567990 R08: ffff888012fce10b R09: 1ffff110025f9c21 [ 96.603606][ T5332] R10: dffffc0000000000 R11: ffffed10025f9c22 R12: 1ffff110025f9c91 [ 96.606714][ T5332] R13: ffff88801d25b030 R14: ffff88801b0b6800 R15: ffff888012fce000 [ 96.609884][ T5332] ? pci_device_add+0x1541/0x1910 [ 96.611992][ T5332] ? __pfx_pci_device_add+0x10/0x10 [ 96.614265][ T5332] ? __kmalloc_cache_noprof+0x150/0x660 [ 96.616694][ T5332] ? __raw_spin_lock_init+0x45/0x100 [ 96.618944][ T5332] pci_scan_single_device+0x3ae/0x400 [ 96.621137][ T5332] ? preempt_schedule_thunk+0x16/0x40 [ 96.623498][ T5332] ? __pfx_pci_scan_single_device+0x10/0x10 [ 96.626023][ T5332] pci_scan_slot+0x1ba/0x5a0 [ 96.628020][ T5332] ? __pfx_pci_scan_slot+0x10/0x10 [ 96.630240][ T5332] ? __up_read+0x29c/0x930 [ 96.632198][ T5332] pci_scan_child_bus_extend+0x68/0x7c0 [ 96.634602][ T5332] ? pci_find_next_bus+0x63/0x70 [ 96.636698][ T5332] pci_rescan_bus+0x18/0x40 [ 96.638663][ T5332] rescan_store+0xcc/0x150 [ 96.640538][ T5332] ? __pfx_rescan_store+0x10/0x10 [ 96.642750][ T5332] ? sysfs_file_kobj+0x1e4/0x230 [ 96.644851][ T5332] ? sysfs_kf_write+0x166/0x260 [ 96.646957][ T5332] ? __pfx_sysfs_kf_write+0x10/0x10 [ 96.649215][ T5332] kernfs_fop_write_iter+0x3a4/0x540 [ 96.651393][ T5332] vfs_write+0x612/0xba0 [ 96.653166][ T5332] ? __pfx_vfs_write+0x10/0x10 [ 96.655260][ T5332] ? __fget_files+0x2a/0x420 [ 96.657324][ T5332] ksys_write+0x150/0x270 [ 96.659245][ T5332] ? __pfx_ksys_write+0x10/0x10 [ 96.661362][ T5332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.663926][ T5332] do_syscall_64+0x174/0x580 [ 96.665881][ T5332] ? trace_irq_disable+0x3b/0x140 [ 96.667976][ T5332] ? clear_bhb_loop+0x40/0x90 [ 96.670209][ T5332] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 96.673023][ T5332] RIP: 0033:0x7fb9a279e019 [ 96.675096][ T5332] 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 [ 96.683450][ T5332] RSP: 002b:00007fb9a3599fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 96.686986][ T5332] RAX: ffffffffffffffda RBX: 00007fb9a2a25fa0 RCX: 00007fb9a279e019 [ 96.690375][ T5332] RDX: 0000000000000001 RSI: 0000200000000a00 RDI: 0000000000000007 [ 96.693791][ T5332] RBP: 00007fb9a359a050 R08: 0000000000000000 R09: 0000000000000000 [ 96.697085][ T5332] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 96.700412][ T5332] R13: 00007fb9a2a26038 R14: 00007fb9a2a25fa0 R15: 00007ffcace627c8 [ 96.703842][ T5332] [ 96.705634][ T5332] Kernel Offset: disabled [ 96.707527][ T5332] Rebooting in 86400 seconds..