program:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
symlinkat(&(0x7f0000000100)='./config/usb_gadget/g1/functions/midi.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000340)='./config/usb_gadget/g1/configs/c.1/midi.usb0\x00') (fail_nth: 12)
[ 123.913192][ T4649] Bluetooth: hci0: command tx timeout
[ 124.032794][ T5323] FAULT_INJECTION: forcing a failure.
[ 124.032794][ T5323] name failslab, interval 1, probability 0, space 0, times 1
[ 124.038481][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 124.038518][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 124.038525][ T5323] Call Trace:
[ 124.038531][ T5323]
[ 124.038537][ T5323] dump_stack_lvl+0xe8/0x150
[ 124.038594][ T5323] should_fail_ex+0x410/0x560
[ 124.038644][ T5323] should_failslab+0xa8/0x100
[ 124.038655][ T5323] __kmalloc_cache_noprof+0xa3/0x600
[ 124.038666][ T5323] ? configfs_symlink+0x667/0x1030
[ 124.038673][ T5323] ? configfs_symlink+0x667/0x1030
[ 124.038682][ T5323] configfs_symlink+0x667/0x1030
[ 124.038690][ T5323] ? lookup_one_qstr_excl+0x1d4/0x360
[ 124.038699][ T5323] ? make_vfsuid+0x49/0xa0
[ 124.038708][ T5323] ? __pfx_configfs_symlink+0x10/0x10
[ 124.038717][ T5323] ? bpf_lsm_inode_symlink+0x9/0x20
[ 124.038727][ T5323] vfs_symlink+0x18b/0x330
[ 124.038742][ T5323] ? security_path_symlink+0xfd/0x360
[ 124.038755][ T5323] filename_symlinkat+0x1cd/0x410
[ 124.038776][ T5323] ? __pfx_filename_symlinkat+0x10/0x10
[ 124.038794][ T5323] ? do_getname+0x151/0x250
[ 124.038807][ T5323] __se_sys_symlinkat+0x4e/0x2b0
[ 124.038818][ T5323] do_syscall_64+0x166/0x520
[ 124.038874][ T5323] ? trace_irq_disable+0x3b/0x140
[ 124.038881][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 124.038888][ T5323] ? clear_bhb_loop+0x70/0xc0
[ 124.038903][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 124.038917][ T5323] RIP: 0033:0x7fad0159e159
[ 124.038928][ T5323] 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
[ 124.038946][ T5323] RSP: 002b:00007fad02411fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
[ 124.038959][ T5323] RAX: ffffffffffffffda RBX: 00007fad01825fa0 RCX: 00007fad0159e159
[ 124.038971][ T5323] RDX: 0000200000000340 RSI: ffffffffffffff9c RDI: 0000200000000100
[ 124.038978][ T5323] RBP: 00007fad02412050 R08: 0000000000000000 R09: 0000000000000000
[ 124.038985][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 124.038991][ T5323] R13: 00007fad01826038 R14: 00007fad01825fa0 R15: 00007fff131cbf58
[ 124.039006][ T5323]
[ 124.139896][ T5323] ------------[ cut here ]------------
[ 124.139935][ T5323] !work->func
[ 124.139968][ T5323] WARNING: kernel/workqueue.c:4400 at __flush_work+0xb8f/0xca0, CPU#0: syz.0.0/5323
[ 124.148375][ T5323] Modules linked in:
[ 124.150876][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 124.154875][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 124.159503][ T5323] RIP: 0010:__flush_work+0xb8f/0xca0
[ 124.161930][ T5323] Code: 75 5e 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c6 36 5a 0a cc e8 a0 35 39 00 90 0f 0b 90 e9 7c ff ff ff e8 92 35 39 00 90 <0f> 0b 90 31 c0 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 64 ff ff ff e8 78
[ 124.169592][ T5323] RSP: 0018:ffffc9000d93fa20 EFLAGS: 00010293
[ 124.171847][ T5323] RAX: ffffffff818e91ee RBX: ffff8880522131b0 RCX: ffff8880331a8000
[ 124.175253][ T5323] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888052213198
[ 124.179014][ T5323] RBP: ffffc9000d93fbd0 R08: ffffffff907a377f R09: 1ffffffff20f46ef
[ 124.182586][ T5323] R10: dffffc0000000000 R11: fffffbfff20f46f0 R12: dffffc0000000000
[ 124.185883][ T5323] R13: 1ffff1100a442636 R14: 1ffff92001b27f4c R15: ffff888052213198
[ 124.189118][ T5323] FS: 00007fad024126c0(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
[ 124.192989][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 124.195943][ T5323] CR2: 00007fa6d7d95b50 CR3: 0000000043660000 CR4: 0000000000352ef0
[ 124.199630][ T5323] Call Trace:
[ 124.201177][ T5323]
[ 124.202535][ T5323] ? trace_contention_end+0x3d/0x140
[ 124.204917][ T5323] ? __mutex_lock+0x30b/0x1550
[ 124.206922][ T5323] ? __pfx___flush_work+0x10/0x10
[ 124.209211][ T5323] ? __mutex_lock+0x30b/0x1550
[ 124.211247][ T5323] ? rcu_is_watching+0x16/0xb0
[ 124.213163][ T5323] ? work_grab_pending+0x3d1/0x930
[ 124.215421][ T5323] ? __cancel_work_sync+0x5c/0x110
[ 124.217838][ T5323] __cancel_work_sync+0xbf/0x110
[ 124.220090][ T5323] f_midi_free+0xac/0x1f0
[ 124.222147][ T5323] config_usb_cfg_unlink+0x236/0x260
[ 124.224974][ T5323] configfs_symlink+0xde9/0x1030
[ 124.227279][ T5323] ? lookup_one_qstr_excl+0x1d4/0x360
[ 124.229791][ T5323] ? __pfx_configfs_symlink+0x10/0x10
[ 124.232181][ T5323] ? bpf_lsm_inode_symlink+0x9/0x20
[ 124.234427][ T5323] vfs_symlink+0x18b/0x330
[ 124.236500][ T5323] ? security_path_symlink+0xfd/0x360
[ 124.238835][ T5323] filename_symlinkat+0x1cd/0x410
[ 124.240858][ T5323] ? __pfx_filename_symlinkat+0x10/0x10
[ 124.242914][ T5323] ? do_getname+0x151/0x250
[ 124.244656][ T5323] __se_sys_symlinkat+0x4e/0x2b0
[ 124.246491][ T5323] do_syscall_64+0x166/0x520
[ 124.248553][ T5323] ? trace_irq_disable+0x3b/0x140
[ 124.250695][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 124.253094][ T5323] ? clear_bhb_loop+0x70/0xc0
[ 124.254924][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 124.257474][ T5323] RIP: 0033:0x7fad0159e159
[ 124.259315][ T5323] 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
[ 124.267121][ T5323] RSP: 002b:00007fad02411fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
[ 124.270386][ T5323] RAX: ffffffffffffffda RBX: 00007fad01825fa0 RCX: 00007fad0159e159
[ 124.273390][ T5323] RDX: 0000200000000340 RSI: ffffffffffffff9c RDI: 0000200000000100
[ 124.276606][ T5323] RBP: 00007fad02412050 R08: 0000000000000000 R09: 0000000000000000
[ 124.279672][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 124.282708][ T5323] R13: 00007fad01826038 R14: 00007fad01825fa0 R15: 00007fff131cbf58
[ 124.285845][ T5323]
[ 124.287107][ T5323] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 124.289916][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 124.293294][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 124.297226][ T5323] Call Trace:
[ 124.298607][ T5323]
[ 124.299768][ T5323] vpanic+0x56d/0xa60
[ 124.301459][ T5323] ? __pfx__printk+0x10/0x10
[ 124.303380][ T5323] ? __pfx_vpanic+0x10/0x10
[ 124.305229][ T5323] ? is_bpf_text_address+0x292/0x2b0
[ 124.307330][ T5323] ? is_bpf_text_address+0x26/0x2b0
[ 124.309247][ T5323] panic+0xc5/0xd0
[ 124.310648][ T5323] ? __pfx_panic+0x10/0x10
[ 124.312338][ T5323] __warn+0x315/0x4c0
[ 124.313766][ T5323] ? __flush_work+0xb8f/0xca0
[ 124.315669][ T5323] ? __flush_work+0xb8f/0xca0
[ 124.317619][ T5323] __report_bug+0x276/0x570
[ 124.319588][ T5323] ? finish_task_switch+0x40e/0xc60
[ 124.321717][ T5323] ? __flush_work+0xb8f/0xca0
[ 124.323778][ T5323] ? __pfx___report_bug+0x10/0x10
[ 124.325833][ T5323] ? __schedule+0x17f1/0x58f0
[ 124.327822][ T5323] ? __lock_acquire+0x6df/0x2e50
[ 124.329924][ T5323] ? __lock_acquire+0x6df/0x2e50
[ 124.332305][ T5323] ? __flush_work+0xb8f/0xca0
[ 124.334329][ T5323] report_bug+0x16b/0x220
[ 124.336264][ T5323] ? __flush_work+0xb8f/0xca0
[ 124.338266][ T5323] ? __flush_work+0xb91/0xca0
[ 124.340310][ T5323] handle_bug+0x9c/0x200
[ 124.341978][ T5323] exc_invalid_op+0x1a/0x50
[ 124.343634][ T5323] asm_exc_invalid_op+0x1a/0x20
[ 124.345446][ T5323] RIP: 0010:__flush_work+0xb8f/0xca0
[ 124.347548][ T5323] Code: 75 5e 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c6 36 5a 0a cc e8 a0 35 39 00 90 0f 0b 90 e9 7c ff ff ff e8 92 35 39 00 90 <0f> 0b 90 31 c0 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 64 ff ff ff e8 78
[ 124.355164][ T5323] RSP: 0018:ffffc9000d93fa20 EFLAGS: 00010293
[ 124.357635][ T5323] RAX: ffffffff818e91ee RBX: ffff8880522131b0 RCX: ffff8880331a8000
[ 124.360761][ T5323] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888052213198
[ 124.363866][ T5323] RBP: ffffc9000d93fbd0 R08: ffffffff907a377f R09: 1ffffffff20f46ef
[ 124.367231][ T5323] R10: dffffc0000000000 R11: fffffbfff20f46f0 R12: dffffc0000000000
[ 124.370660][ T5323] R13: 1ffff1100a442636 R14: 1ffff92001b27f4c R15: ffff888052213198
[ 124.373967][ T5323] ? __flush_work+0xb8e/0xca0
[ 124.375944][ T5323] ? trace_contention_end+0x3d/0x140
[ 124.378175][ T5323] ? __mutex_lock+0x30b/0x1550
[ 124.380193][ T5323] ? __pfx___flush_work+0x10/0x10
[ 124.382427][ T5323] ? __mutex_lock+0x30b/0x1550
[ 124.384540][ T5323] ? rcu_is_watching+0x16/0xb0
[ 124.386716][ T5323] ? work_grab_pending+0x3d1/0x930
[ 124.388878][ T5323] ? __cancel_work_sync+0x5c/0x110
[ 124.391069][ T5323] __cancel_work_sync+0xbf/0x110
[ 124.393235][ T5323] f_midi_free+0xac/0x1f0
[ 124.394984][ T5323] config_usb_cfg_unlink+0x236/0x260
[ 124.397167][ T5323] configfs_symlink+0xde9/0x1030
[ 124.399333][ T5323] ? lookup_one_qstr_excl+0x1d4/0x360
[ 124.401544][ T5323] ? __pfx_configfs_symlink+0x10/0x10
[ 124.403834][ T5323] ? bpf_lsm_inode_symlink+0x9/0x20
[ 124.406023][ T5323] vfs_symlink+0x18b/0x330
[ 124.407866][ T5323] ? security_path_symlink+0xfd/0x360
[ 124.410072][ T5323] filename_symlinkat+0x1cd/0x410
[ 124.412305][ T5323] ? __pfx_filename_symlinkat+0x10/0x10
[ 124.414832][ T5323] ? do_getname+0x151/0x250
[ 124.416961][ T5323] __se_sys_symlinkat+0x4e/0x2b0
[ 124.419128][ T5323] do_syscall_64+0x166/0x520
[ 124.420987][ T5323] ? trace_irq_disable+0x3b/0x140
[ 124.423141][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 124.425621][ T5323] ? clear_bhb_loop+0x70/0xc0
[ 124.427621][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 124.430158][ T5323] RIP: 0033:0x7fad0159e159
[ 124.432098][ T5323] 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
[ 124.440052][ T5323] RSP: 002b:00007fad02411fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
[ 124.443447][ T5323] RAX: ffffffffffffffda RBX: 00007fad01825fa0 RCX: 00007fad0159e159
[ 124.446731][ T5323] RDX: 0000200000000340 RSI: ffffffffffffff9c RDI: 0000200000000100
[ 124.449619][ T5323] RBP: 00007fad02412050 R08: 0000000000000000 R09: 0000000000000000
[ 124.452613][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 124.455809][ T5323] R13: 00007fad01826038 R14: 00007fad01825fa0 R15: 00007fff131cbf58
[ 124.458926][ T5323]
[ 124.460527][ T5323] Kernel Offset: disabled
[ 124.462258][ T5323] Rebooting in 86400 seconds..