FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:73 [inline] should_fail_ex+0x410/0x560 lib/fault-inject.c:174 should_failslab+0xa8/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4638 [inline] slab_alloc_node mm/slub.c:4974 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_node_track_caller_noprof+0xfb/0x720 mm/slub.c:5545 kvasprintf+0xeb/0x1a0 lib/kasprintf.c:25 kobject_set_name_vargs+0x61/0x110 lib/kobject.c:274 dev_set_name+0xe2/0x140 drivers/base/core.c:3564 pci_setup_device+0x56c/0x2670 drivers/pci/probe.c:2055 pci_scan_device drivers/pci/probe.c:2613 [inline] pci_scan_single_device+0x2f4/0x400 drivers/pci/probe.c:2790 pci_scan_slot+0x1ba/0x5a0 drivers/pci/probe.c:2877 pci_scan_child_bus_extend+0x68/0x7c0 drivers/pci/probe.c:3096 pci_scan_child_bus drivers/pci/probe.c:3209 [inline] pci_rescan_bus+0x18/0x40 drivers/pci/probe.c:3500 rescan_store+0xcc/0x150 drivers/pci/pci-sysfs.c:474 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f149a59e159 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 RSP: 002b:00007f149b41dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f149a826090 RCX: 00007f149a59e159 RDX: 0000000000000001 RSI: 0000200000000600 RDI: 0000000000000004 RBP: 00007f149b41e050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f149a826128 R14: 00007f149a826090 R15: 00007fff92db1518 pci (null): [8086:3420] type 01 class 0x060400 PCIe Root Port pci (null): PCI bridge to [bus 01] pci (null): bridge window [io 0x1000-0x1fff] pci (null): bridge window [mem 0xfe800000-0xfe9fffff] pci (null): bridge window [mem 0xfc800000-0xfc9fffff 64bit pref] pci (null): enabling Extended Tags ------------[ cut here ]------------ ret < 0 WARNING: drivers/pci/probe.c:2770 at pci_device_add+0x154a/0x1920 drivers/pci/probe.c:2770, CPU#0: syz.0.0/5319 Modules linked in: CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:pci_device_add+0x154a/0x1920 drivers/pci/probe.c:2770 Code: f8 ff ff e9 6f f8 ff ff e8 d3 09 a2 fc 90 0f 0b 90 e9 9a f8 ff ff e8 c5 09 a2 fc 90 0f 0b 90 e9 69 fc ff ff e8 b7 09 a2 fc 90 <0f> 0b 90 e9 2f fd ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c 45 eb RSP: 0018:ffffc9000f3af880 EFLAGS: 00010293 RAX: ffffffff8525c279 RBX: 00000000ffffffea RCX: ffff888036bd4b00 RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 RBP: ffffc9000f3af990 R08: ffff888041f0610b R09: 1ffff110083e0c21 R10: dffffc0000000000 R11: ffffed10083e0c22 R12: 1ffff110083e0c91 R13: ffff88801f69b030 R14: ffff88801b0b6800 R15: ffff888041f06000 FS: 00007f149b41e6c0(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005645c06cf168 CR3: 000000001f41c000 CR4: 0000000000352ef0 Call Trace: pci_scan_single_device+0x3ae/0x400 drivers/pci/probe.c:2794 pci_scan_slot+0x1ba/0x5a0 drivers/pci/probe.c:2877 pci_scan_child_bus_extend+0x68/0x7c0 drivers/pci/probe.c:3096 pci_scan_child_bus drivers/pci/probe.c:3209 [inline] pci_rescan_bus+0x18/0x40 drivers/pci/probe.c:3500 rescan_store+0xcc/0x150 drivers/pci/pci-sysfs.c:474 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f149a59e159 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 RSP: 002b:00007f149b41dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f149a826090 RCX: 00007f149a59e159 RDX: 0000000000000001 RSI: 0000200000000600 RDI: 0000000000000004 RBP: 00007f149b41e050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007f149a826128 R14: 00007f149a826090 R15: 00007fff92db1518