[  402.780525][ T4225]  el0t_64_sync+0x18c/0x190
[  402.781492][ T4225] debugfs: out of free dentries, can not create directory 'nbd0'
[  402.782989][ T4225] block nbd0: Failed to create debugfs dir for 'nbd0'
[  403.467111][ T3160] block nbd0: Receive control failed (result -32)
[  403.468950][ T4225] block nbd0: shutting down sockets
[  403.635540][ T4228] Increasing nr_hw_queues to 2 fails, fallback to 1
[  404.309762][ T3160] block nbd0: Receive control failed (result -32)
[  404.309761][   T43] block nbd0: Receive control failed (result -32)
[  404.309878][ T4228] block nbd0: shutting down sockets
[  404.474115][ T4232] Increasing nr_hw_queues to 2 fails, fallback to 1
[  405.170708][   T43] block nbd0: Receive control failed (result -32)
[  405.170749][ T4232] block nbd0: shutting down sockets
[  405.314713][ T4235] Increasing nr_hw_queues to 2 fails, fallback to 1
[  406.012545][ T3160] block nbd0: Receive control failed (result -32)
[  406.012577][   T43] block nbd0: Receive control failed (result -32)
[  406.015339][ T4235] block nbd0: shutting down sockets
[  406.133445][ T4240] block nbd0: Device being setup by another task
[  406.134900][ T4237] FAULT_INJECTION: forcing a failure.
[  406.134900][ T4237] name failslab, interval 1, probability 0, space 0, times 0
[  406.137547][ T4237] CPU: 1 PID: 4237 Comm: syz-executor.0 Not tainted 6.1.127-syzkaller #0
[  406.139537][ T4237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  406.141604][ T4237] Call trace:
[  406.142200][ T4237]  dump_backtrace+0x1c8/0x1f4
[  406.143226][ T4237]  show_stack+0x2c/0x3c
[  406.144147][ T4237]  dump_stack_lvl+0xc0/0x104
[  406.145166][ T4237]  dump_stack+0x1c/0x4c
[  406.146097][ T4237]  should_fail_ex+0x1bc/0x1e0
[  406.147181][ T4237]  __should_failslab+0x64/0x78
[  406.148254][ T4237]  should_failslab+0x10/0x28
[  406.149342][ T4237]  slab_pre_alloc_hook+0x54/0x1f4
[  406.150538][ T4237]  kmem_cache_alloc_lru+0x60/0x2ac
[  406.151770][ T4237]  alloc_inode+0x7c/0x104
[  406.152754][ T4237]  new_inode+0x2c/0xc0
[  406.153637][ T4237]  debugfs_create_dir+0x98/0x1e0
[  406.154796][ T4237]  nbd_start_device+0x1b4/0x510
[  406.155840][ T4237]  nbd_ioctl+0x228/0x66c
[  406.156762][ T4237]  blkdev_ioctl+0x218/0x664
[  406.157743][ T4237]  __arm64_sys_ioctl+0xd0/0x148
[  406.158782][ T4237]  invoke_syscall+0x64/0x174
[  406.159796][ T4237]  el0_svc_common+0xb8/0x174
[  406.160801][ T4237]  do_el0_svc+0x3c/0xec
[  406.161619][ T4237]  el0_svc+0x34/0x110
[  406.162522][ T4237]  el0t_64_sync_handler+0x84/0xf0
[  406.163659][ T4237]  el0t_64_sync+0x18c/0x190
[  406.164660][ T4237] debugfs: out of free dentries, can not create directory 'nbd0'
[  406.166231][ T4237] block nbd0: Failed to create debugfs dir for 'nbd0'
[  406.854537][   T43] block nbd0: Receive control failed (result -32)
[  406.856055][ T4237] block nbd0: shutting down sockets
[  406.995183][ T4242] Increasing nr_hw_queues to 2 fails, fallback to 1
[  407.696225][   T43] block nbd0: Receive control failed (result -32)
[  407.696227][ T3160] block nbd0: Receive control failed (result -32)
[  407.698033][ T4242] block nbd0: shutting down sockets
[  407.835243][ T4244] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.540212][ T3160] block nbd0: Receive control failed (result -32)
[  408.540257][ T4244] block nbd0: shutting down sockets
[  409.113992][ T1411] device bridge_slave_1 left promiscuous mode
[  409.115262][ T1411] bridge0: port 2(bridge_slave_1) entered disabled state
[  409.163706][ T1411] device bridge_slave_0 left promiscuous mode
[  409.165040][ T1411] bridge0: port 1(bridge_slave_0) entered disabled state
[  409.224695][ T1411] device veth0_macvtap left promiscuous mode
[  409.225937][ T1411] device veth1_vlan left promiscuous mode
[  409.227144][ T1411] device veth0_vlan left promiscuous mode
Warning: Permanently added '10.128.10.52' (ED25519) to the list of known hosts.
[  412.094962][ T4253] FAULT_INJECTION: forcing a failure.
[  412.094962][ T4253] name failslab, interval 1, probability 0, space 0, times 0
[  412.097666][ T4253] CPU: 0 PID: 4253 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  412.099245][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  412.101231][ T4253] Call trace:
[  412.101887][ T4253]  dump_backtrace+0x1c8/0x1f4
[  412.102817][ T4253]  show_stack+0x2c/0x3c
[  412.103625][ T4253]  dump_stack_lvl+0xc0/0x104
[  412.104552][ T4253]  dump_stack+0x1c/0x4c
[  412.105427][ T4253]  should_fail_ex+0x1bc/0x1e0
[  412.106477][ T4253]  __should_failslab+0x64/0x78
[  412.107463][ T4253]  should_failslab+0x10/0x28
[  412.108400][ T4253]  __kmem_cache_alloc_node+0x6c/0x348
[  412.109407][ T4253]  __kmalloc+0x98/0xd8
[  412.110198][ T4253]  tomoyo_supervisor+0x700/0x888
[  412.111257][ T4253]  tomoyo_path_number_perm+0x200/0x2a8
[  412.112323][ T4253]  tomoyo_file_ioctl+0x2c/0x3c
[  412.113233][ T4253]  security_file_ioctl+0x4c/0x8c
[  412.114229][ T4253]  __arm64_sys_ioctl+0x5c/0x148
[  412.115172][ T4253]  invoke_syscall+0x64/0x174
[  412.116237][ T4253]  el0_svc_common+0xb8/0x174
[  412.117160][ T4253]  do_el0_svc+0x3c/0xec
[  412.117973][ T4253]  el0_svc+0x34/0x110
[  412.118802][ T4253]  el0t_64_sync_handler+0x84/0xf0
[  412.119863][ T4253]  el0t_64_sync+0x18c/0x190
[  412.254455][ T4253] block nbd0: shutting down sockets
[  412.364708][ T4256] FAULT_INJECTION: forcing a failure.
[  412.364708][ T4256] name failslab, interval 1, probability 0, space 0, times 0
[  412.367386][ T4256] CPU: 1 PID: 4256 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  412.369215][ T4256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  412.371301][ T4256] Call trace:
[  412.372005][ T4256]  dump_backtrace+0x1c8/0x1f4
[  412.372940][ T4256]  show_stack+0x2c/0x3c
[  412.373742][ T4256]  dump_stack_lvl+0xc0/0x104
[  412.374744][ T4256]  dump_stack+0x1c/0x4c
[  412.375767][ T4256]  should_fail_ex+0x1bc/0x1e0
[  412.376777][ T4256]  __should_failslab+0x64/0x78
[  412.377752][ T4256]  should_failslab+0x10/0x28
[  412.378818][ T4256]  __kmem_cache_alloc_node+0x6c/0x348
[  412.380185][ T4256]  __kmalloc+0x98/0xd8
[  412.380981][ T4256]  tomoyo_supervisor+0x700/0x888
[  412.382041][ T4256]  tomoyo_path_number_perm+0x200/0x2a8
[  412.383227][ T4256]  tomoyo_file_ioctl+0x2c/0x3c
[  412.384421][ T4256]  security_file_ioctl+0x4c/0x8c
[  412.385441][ T4256]  __arm64_sys_ioctl+0x5c/0x148
[  412.386493][ T4256]  invoke_syscall+0x64/0x174
[  412.387477][ T4256]  el0_svc_common+0xb8/0x174
[  412.388524][ T4256]  do_el0_svc+0x3c/0xec
[  412.389533][ T4256]  el0_svc+0x34/0x110
[  412.390489][ T4256]  el0t_64_sync_handler+0x84/0xf0
[  412.391608][ T4256]  el0t_64_sync+0x18c/0x190
[  412.413501][ T4257] block nbd0: Device being setup by another task
[  412.524093][ T4256] block nbd0: shutting down sockets
[  412.603768][ T4259] FAULT_INJECTION: forcing a failure.
[  412.603768][ T4259] name failslab, interval 1, probability 0, space 0, times 0
[  412.606357][ T4259] CPU: 1 PID: 4259 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  412.608382][ T4259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  412.610583][ T4259] Call trace:
[  412.611926][ T4259]  dump_backtrace+0x1c8/0x1f4
[  412.612926][ T4259]  show_stack+0x2c/0x3c
[  412.613897][ T4259]  dump_stack_lvl+0xc0/0x104
[  412.614957][ T4259]  dump_stack+0x1c/0x4c
[  412.615847][ T4259]  should_fail_ex+0x1bc/0x1e0
[  412.616870][ T4259]  __should_failslab+0x64/0x78
[  412.617919][ T4259]  should_failslab+0x10/0x28
[  412.618919][ T4259]  __kmem_cache_alloc_node+0x6c/0x348
[  412.620006][ T4259]  __kmalloc+0x98/0xd8
[  412.620831][ T4259]  tomoyo_supervisor+0x700/0x888
[  412.621832][ T4259]  tomoyo_path_number_perm+0x200/0x2a8
[  412.622912][ T4259]  tomoyo_file_ioctl+0x2c/0x3c
[  412.623919][ T4259]  security_file_ioctl+0x4c/0x8c
[  412.624956][ T4259]  __arm64_sys_ioctl+0x5c/0x148
[  412.625915][ T4259]  invoke_syscall+0x64/0x174
[  412.626877][ T4259]  el0_svc_common+0xb8/0x174
[  412.627940][ T4259]  do_el0_svc+0x3c/0xec
[  412.628846][ T4259]  el0_svc+0x34/0x110
[  412.629687][ T4259]  el0t_64_sync_handler+0x84/0xf0
[  412.630722][ T4259]  el0t_64_sync+0x18c/0x190
[  412.762559][ T4259] block nbd0: shutting down sockets
[  412.843769][ T4261] FAULT_INJECTION: forcing a failure.
[  412.843769][ T4261] name failslab, interval 1, probability 0, space 0, times 0
[  412.846383][ T4261] CPU: 1 PID: 4261 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  412.848095][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  412.850248][ T4261] Call trace:
[  412.850954][ T4261]  dump_backtrace+0x1c8/0x1f4
[  412.851900][ T4261]  show_stack+0x2c/0x3c
[  412.852791][ T4261]  dump_stack_lvl+0xc0/0x104
[  412.853792][ T4261]  dump_stack+0x1c/0x4c
[  412.854696][ T4261]  should_fail_ex+0x1bc/0x1e0
[  412.855673][ T4261]  __should_failslab+0x64/0x78
[  412.856730][ T4261]  should_failslab+0x10/0x28
[  412.857650][ T4261]  __kmem_cache_alloc_node+0x6c/0x348
[  412.858857][ T4261]  __kmalloc+0x98/0xd8
[  412.859706][ T4261]  tomoyo_supervisor+0x700/0x888
[  412.860718][ T4261]  tomoyo_path_number_perm+0x200/0x2a8
[  412.861835][ T4261]  tomoyo_file_ioctl+0x2c/0x3c
[  412.862812][ T4261]  security_file_ioctl+0x4c/0x8c
[  412.863870][ T4261]  __arm64_sys_ioctl+0x5c/0x148
[  412.864907][ T4261]  invoke_syscall+0x64/0x174
[  412.865821][ T4261]  el0_svc_common+0xb8/0x174
[  412.866863][ T4261]  do_el0_svc+0x3c/0xec
[  412.867724][ T4261]  el0_svc+0x34/0x110
[  412.868604][ T4261]  el0t_64_sync_handler+0x84/0xf0
[  412.869686][ T4261]  el0t_64_sync+0x18c/0x190
[  413.002331][ T4261] block nbd0: shutting down sockets
[  413.083779][ T4263] FAULT_INJECTION: forcing a failure.
[  413.083779][ T4263] name failslab, interval 1, probability 0, space 0, times 0
[  413.086329][ T4263] CPU: 0 PID: 4263 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  413.088088][ T4263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  413.090187][ T4263] Call trace:
[  413.090916][ T4263]  dump_backtrace+0x1c8/0x1f4
[  413.091999][ T4263]  show_stack+0x2c/0x3c
[  413.092774][ T4263]  dump_stack_lvl+0xc0/0x104
[  413.093751][ T4263]  dump_stack+0x1c/0x4c
[  413.094720][ T4263]  should_fail_ex+0x1bc/0x1e0
[  413.095753][ T4263]  __should_failslab+0x64/0x78
[  413.096853][ T4263]  should_failslab+0x10/0x28
[  413.097865][ T4263]  __kmem_cache_alloc_node+0x6c/0x348
[  413.099023][ T4263]  __kmalloc+0x98/0xd8
[  413.099944][ T4263]  tomoyo_supervisor+0x700/0x888
[  413.101258][ T4263]  tomoyo_path_number_perm+0x200/0x2a8
[  413.102455][ T4263]  tomoyo_file_ioctl+0x2c/0x3c
[  413.103505][ T4263]  security_file_ioctl+0x4c/0x8c
[  413.104596][ T4263]  __arm64_sys_ioctl+0x5c/0x148
[  413.105567][ T4263]  invoke_syscall+0x64/0x174
[  413.106575][ T4263]  el0_svc_common+0xb8/0x174
[  413.107561][ T4263]  do_el0_svc+0x3c/0xec
[  413.108521][ T4263]  el0_svc+0x34/0x110
[  413.109334][ T4263]  el0t_64_sync_handler+0x84/0xf0
[  413.110546][ T4263]  el0t_64_sync+0x18c/0x190
[  413.243002][ T4263] block nbd0: shutting down sockets
[  413.353698][ T4265] FAULT_INJECTION: forcing a failure.
[  413.353698][ T4265] name failslab, interval 1, probability 0, space 0, times 0
[  413.356650][ T4265] CPU: 1 PID: 4265 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  413.358459][ T4265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  413.360701][ T4265] Call trace:
[  413.361357][ T4265]  dump_backtrace+0x1c8/0x1f4
[  413.362414][ T4265]  show_stack+0x2c/0x3c
[  413.363321][ T4265]  dump_stack_lvl+0xc0/0x104
[  413.364380][ T4265]  dump_stack+0x1c/0x4c
[  413.365147][ T4265]  should_fail_ex+0x1bc/0x1e0
[  413.366199][ T4265]  __should_failslab+0x64/0x78
[  413.367190][ T4265]  should_failslab+0x10/0x28
[  413.368165][ T4265]  __kmem_cache_alloc_node+0x6c/0x348
[  413.369300][ T4265]  __kmalloc+0x98/0xd8
[  413.370167][ T4265]  tomoyo_supervisor+0x700/0x888
[  413.371834][ T4265]  tomoyo_path_number_perm+0x200/0x2a8
[  413.373968][ T4265]  tomoyo_file_ioctl+0x2c/0x3c
[  413.375776][ T4265]  security_file_ioctl+0x4c/0x8c
[  413.376941][ T4265]  __arm64_sys_ioctl+0x5c/0x148
[  413.377974][ T4265]  invoke_syscall+0x64/0x174
[  413.378982][ T4265]  el0_svc_common+0xb8/0x174
[  413.379963][ T4265]  do_el0_svc+0x3c/0xec
[  413.380817][ T4265]  el0_svc+0x34/0x110
[  413.381726][ T4265]  el0t_64_sync_handler+0x84/0xf0
[  413.382730][ T4265]  el0t_64_sync+0x18c/0x190
[  413.383779][ T4266] block nbd0: Device being setup by another task
[  413.512342][ T4265] block nbd0: shutting down sockets
[  413.603806][ T4268] FAULT_INJECTION: forcing a failure.
[  413.603806][ T4268] name failslab, interval 1, probability 0, space 0, times 0
[  413.606662][ T4268] CPU: 0 PID: 4268 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  413.608428][ T4268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  413.610549][ T4268] Call trace:
[  413.611280][ T4268]  dump_backtrace+0x1c8/0x1f4
[  413.612229][ T4268]  show_stack+0x2c/0x3c
[  413.613091][ T4268]  dump_stack_lvl+0xc0/0x104
[  413.614075][ T4268]  dump_stack+0x1c/0x4c
[  413.614938][ T4268]  should_fail_ex+0x1bc/0x1e0
[  413.615999][ T4268]  __should_failslab+0x64/0x78
[  413.617003][ T4268]  should_failslab+0x10/0x28
[  413.618101][ T4268]  __kmem_cache_alloc_node+0x6c/0x348
[  413.619178][ T4268]  __kmalloc+0x98/0xd8
[  413.620071][ T4268]  tomoyo_supervisor+0x700/0x888
[  413.621021][ T4268]  tomoyo_path_number_perm+0x200/0x2a8
[  413.622027][ T4268]  tomoyo_file_ioctl+0x2c/0x3c
[  413.622963][ T4268]  security_file_ioctl+0x4c/0x8c
[  413.624016][ T4268]  __arm64_sys_ioctl+0x5c/0x148
[  413.625002][ T4268]  invoke_syscall+0x64/0x174
[  413.625895][ T4268]  el0_svc_common+0xb8/0x174
[  413.626816][ T4268]  do_el0_svc+0x3c/0xec
[  413.627641][ T4268]  el0_svc+0x34/0x110
[  413.628420][ T4268]  el0t_64_sync_handler+0x84/0xf0
[  413.629473][ T4268]  el0t_64_sync+0x18c/0x190
[  413.762728][ T4268] block nbd0: shutting down sockets
[  413.853775][ T4270] FAULT_INJECTION: forcing a failure.
[  413.853775][ T4270] name failslab, interval 1, probability 0, space 0, times 0
[  413.856312][ T4270] CPU: 0 PID: 4270 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  413.857931][ T4270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  413.859979][ T4270] Call trace:
[  413.860653][ T4270]  dump_backtrace+0x1c8/0x1f4
[  413.861666][ T4270]  show_stack+0x2c/0x3c
[  413.862611][ T4270]  dump_stack_lvl+0xc0/0x104
[  413.863553][ T4270]  dump_stack+0x1c/0x4c
[  413.864438][ T4270]  should_fail_ex+0x1bc/0x1e0
[  413.865352][ T4270]  __should_failslab+0x64/0x78
[  413.866384][ T4270]  should_failslab+0x10/0x28
[  413.867333][ T4270]  __kmem_cache_alloc_node+0x6c/0x348
[  413.868524][ T4270]  __kmalloc+0x98/0xd8
[  413.869250][ T4270]  tomoyo_supervisor+0x700/0x888
[  413.870231][ T4270]  tomoyo_path_number_perm+0x200/0x2a8
[  413.871447][ T4270]  tomoyo_file_ioctl+0x2c/0x3c
[  413.872532][ T4270]  security_file_ioctl+0x4c/0x8c
[  413.873690][ T4270]  __arm64_sys_ioctl+0x5c/0x148
[  413.874666][ T4270]  invoke_syscall+0x64/0x174
[  413.875439][ T4270]  el0_svc_common+0xb8/0x174
[  413.876185][ T4270]  do_el0_svc+0x3c/0xec
[  413.876873][ T4270]  el0_svc+0x34/0x110
[  413.877522][ T4270]  el0t_64_sync_handler+0x84/0xf0
[  413.878334][ T4270]  el0t_64_sync+0x18c/0x190
[  414.012295][ T4270] block nbd0: shutting down sockets
[  414.122728][ T4272] FAULT_INJECTION: forcing a failure.
[  414.122728][ T4272] name failslab, interval 1, probability 0, space 0, times 0
[  414.125354][ T4272] CPU: 0 PID: 4272 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  414.127131][ T4272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  414.129096][ T4272] Call trace:
[  414.129955][ T4272]  dump_backtrace+0x1c8/0x1f4
[  414.130919][ T4272]  show_stack+0x2c/0x3c
[  414.131770][ T4272]  dump_stack_lvl+0xc0/0x104
[  414.132732][ T4272]  dump_stack+0x1c/0x4c
[  414.133572][ T4272]  should_fail_ex+0x1bc/0x1e0
[  414.134634][ T4272]  __should_failslab+0x64/0x78
[  414.135759][ T4272]  should_failslab+0x10/0x28
[  414.136685][ T4272]  __kmem_cache_alloc_node+0x6c/0x348
[  414.137875][ T4272]  __kmalloc+0x98/0xd8
[  414.138757][ T4272]  tomoyo_supervisor+0x700/0x888
[  414.139889][ T4272]  tomoyo_path_number_perm+0x200/0x2a8
[  414.141194][ T4272]  tomoyo_file_ioctl+0x2c/0x3c
[  414.142143][ T4272]  security_file_ioctl+0x4c/0x8c
[  414.143246][ T4272]  __arm64_sys_ioctl+0x5c/0x148
[  414.144227][ T4272]  invoke_syscall+0x64/0x174
[  414.145168][ T4272]  el0_svc_common+0xb8/0x174
[  414.146002][ T4272]  do_el0_svc+0x3c/0xec
[  414.146830][ T4272]  el0_svc+0x34/0x110
[  414.147703][ T4272]  el0t_64_sync_handler+0x84/0xf0
[  414.148730][ T4272]  el0t_64_sync+0x18c/0x190
[  414.149814][ T4273] block nbd0: Device being setup by another task
[  414.281953][ T4272] block nbd0: shutting down sockets
[  414.384954][ T4276] FAULT_INJECTION: forcing a failure.
[  414.384954][ T4276] name failslab, interval 1, probability 0, space 0, times 0
[  414.387694][ T4276] CPU: 1 PID: 4276 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  414.389446][ T4276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  414.391488][ T4276] Call trace:
[  414.392201][ T4276]  dump_backtrace+0x1c8/0x1f4
[  414.393110][ T4276]  show_stack+0x2c/0x3c
[  414.393909][ T4276]  dump_stack_lvl+0xc0/0x104
[  414.394810][ T4276]  dump_stack+0x1c/0x4c
[  414.395682][ T4276]  should_fail_ex+0x1bc/0x1e0
[  414.396627][ T4276]  __should_failslab+0x64/0x78
[  414.397533][ T4276]  should_failslab+0x10/0x28
[  414.398508][ T4276]  __kmem_cache_alloc_node+0x6c/0x348
[  414.399564][ T4276]  __kmalloc+0x98/0xd8
[  414.400439][ T4276]  tomoyo_supervisor+0x700/0x888
[  414.401518][ T4276]  tomoyo_path_number_perm+0x200/0x2a8
[  414.402641][ T4276]  tomoyo_file_ioctl+0x2c/0x3c
[  414.403593][ T4276]  security_file_ioctl+0x4c/0x8c
[  414.404691][ T4276]  __arm64_sys_ioctl+0x5c/0x148
[  414.405737][ T4276]  invoke_syscall+0x64/0x174
[  414.406807][ T4276]  el0_svc_common+0xb8/0x174
[  414.407804][ T4276]  do_el0_svc+0x3c/0xec
[  414.408691][ T4276]  el0_svc+0x34/0x110
[  414.409465][ T4276]  el0t_64_sync_handler+0x84/0xf0
[  414.410430][ T4276]  el0t_64_sync+0x18c/0x190
[  414.543434][ T4276] block nbd0: shutting down sockets
[  414.623811][ T4278] FAULT_INJECTION: forcing a failure.
[  414.623811][ T4278] name failslab, interval 1, probability 0, space 0, times 0
[  414.626545][ T4278] CPU: 1 PID: 4278 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  414.628136][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  414.630167][ T4278] Call trace:
[  414.630833][ T4278]  dump_backtrace+0x1c8/0x1f4
[  414.631697][ T4278]  show_stack+0x2c/0x3c
[  414.632504][ T4278]  dump_stack_lvl+0xc0/0x104
[  414.633476][ T4278]  dump_stack+0x1c/0x4c
[  414.634309][ T4278]  should_fail_ex+0x1bc/0x1e0
[  414.635359][ T4278]  __should_failslab+0x64/0x78
[  414.636620][ T4278]  should_failslab+0x10/0x28
[  414.637593][ T4278]  __kmem_cache_alloc_node+0x6c/0x348
[  414.638746][ T4278]  __kmalloc+0x98/0xd8
[  414.639657][ T4278]  tomoyo_supervisor+0x700/0x888
[  414.640793][ T4278]  tomoyo_path_number_perm+0x200/0x2a8
[  414.642040][ T4278]  tomoyo_file_ioctl+0x2c/0x3c
[  414.643119][ T4278]  security_file_ioctl+0x4c/0x8c
[  414.644180][ T4278]  __arm64_sys_ioctl+0x5c/0x148
[  414.645217][ T4278]  invoke_syscall+0x64/0x174
[  414.646181][ T4278]  el0_svc_common+0xb8/0x174
[  414.647140][ T4278]  do_el0_svc+0x3c/0xec
[  414.647977][ T4278]  el0_svc+0x34/0x110
[  414.648798][ T4278]  el0t_64_sync_handler+0x84/0xf0
[  414.649922][ T4278]  el0t_64_sync+0x18c/0x190
[  414.782854][ T4278] block nbd0: shutting down sockets
[  414.892717][ T4280] FAULT_INJECTION: forcing a failure.
[  414.892717][ T4280] name failslab, interval 1, probability 0, space 0, times 0
[  414.893403][ T4281] block nbd0: Device being setup by another task
[  414.895414][ T4280] CPU: 1 PID: 4280 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  414.898528][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  414.900695][ T4280] Call trace:
[  414.901469][ T4280]  dump_backtrace+0x1c8/0x1f4
[  414.902509][ T4280]  show_stack+0x2c/0x3c
[  414.903428][ T4280]  dump_stack_lvl+0xc0/0x104
[  414.904387][ T4280]  dump_stack+0x1c/0x4c
[  414.905223][ T4280]  should_fail_ex+0x1bc/0x1e0
[  414.906230][ T4280]  __should_failslab+0x64/0x78
[  414.907180][ T4280]  should_failslab+0x10/0x28
[  414.908129][ T4280]  __kmem_cache_alloc_node+0x6c/0x348
[  414.909195][ T4280]  __kmalloc+0x98/0xd8
[  414.910046][ T4280]  tomoyo_supervisor+0x700/0x888
[  414.911114][ T4280]  tomoyo_path_number_perm+0x200/0x2a8
[  414.912183][ T4280]  tomoyo_file_ioctl+0x2c/0x3c
[  414.913174][ T4280]  security_file_ioctl+0x4c/0x8c
[  414.914224][ T4280]  __arm64_sys_ioctl+0x5c/0x148
[  414.915160][ T4280]  invoke_syscall+0x64/0x174
[  414.916115][ T4280]  el0_svc_common+0xb8/0x174
[  414.917077][ T4280]  do_el0_svc+0x3c/0xec
[  414.917966][ T4280]  el0_svc+0x34/0x110
[  414.918830][ T4280]  el0t_64_sync_handler+0x84/0xf0
[  414.919863][ T4280]  el0t_64_sync+0x18c/0x190
[  415.051511][ T4280] block nbd0: shutting down sockets
[  415.161764][ T4283] FAULT_INJECTION: forcing a failure.
[  415.161764][ T4283] name failslab, interval 1, probability 0, space 0, times 0
[  415.163399][ T4284] block nbd0: Device being setup by another task
[  415.164801][ T4283] CPU: 1 PID: 4283 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  415.167808][ T4283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  415.169963][ T4283] Call trace:
[  415.170597][ T4283]  dump_backtrace+0x1c8/0x1f4
[  415.171612][ T4283]  show_stack+0x2c/0x3c
[  415.172449][ T4283]  dump_stack_lvl+0xc0/0x104
[  415.173312][ T4283]  dump_stack+0x1c/0x4c
[  415.174177][ T4283]  should_fail_ex+0x1bc/0x1e0
[  415.175155][ T4283]  __should_failslab+0x64/0x78
[  415.176263][ T4283]  should_failslab+0x10/0x28
[  415.177326][ T4283]  __kmem_cache_alloc_node+0x6c/0x348
[  415.178526][ T4283]  __kmalloc+0x98/0xd8
[  415.179330][ T4283]  tomoyo_supervisor+0x700/0x888
[  415.180434][ T4283]  tomoyo_path_number_perm+0x200/0x2a8
[  415.181598][ T4283]  tomoyo_file_ioctl+0x2c/0x3c
[  415.182607][ T4283]  security_file_ioctl+0x4c/0x8c
[  415.183749][ T4283]  __arm64_sys_ioctl+0x5c/0x148
[  415.184821][ T4283]  invoke_syscall+0x64/0x174
[  415.185911][ T4283]  el0_svc_common+0xb8/0x174
[  415.186933][ T4283]  do_el0_svc+0x3c/0xec
[  415.187847][ T4283]  el0_svc+0x34/0x110
[  415.188804][ T4283]  el0t_64_sync_handler+0x84/0xf0
[  415.189995][ T4283]  el0t_64_sync+0x18c/0x190
[  415.320783][ T4283] block nbd0: shutting down sockets
[  415.430701][ T4286] FAULT_INJECTION: forcing a failure.
[  415.430701][ T4286] name failslab, interval 1, probability 0, space 0, times 0
[  415.433319][ T4286] CPU: 1 PID: 4286 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  415.435158][ T4286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  415.437267][ T4286] Call trace:
[  415.438004][ T4286]  dump_backtrace+0x1c8/0x1f4
[  415.438969][ T4286]  show_stack+0x2c/0x3c
[  415.439808][ T4286]  dump_stack_lvl+0xc0/0x104
[  415.440684][ T4286]  dump_stack+0x1c/0x4c
[  415.441677][ T4286]  should_fail_ex+0x1bc/0x1e0
[  415.442660][ T4286]  __should_failslab+0x64/0x78
[  415.443773][ T4286]  should_failslab+0x10/0x28
[  415.444820][ T4286]  __kmem_cache_alloc_node+0x6c/0x348
[  415.445982][ T4286]  __kmalloc+0x98/0xd8
[  415.446866][ T4286]  tomoyo_supervisor+0x700/0x888
[  415.447951][ T4286]  tomoyo_path_number_perm+0x200/0x2a8
[  415.449101][ T4286]  tomoyo_file_ioctl+0x2c/0x3c
[  415.450165][ T4286]  security_file_ioctl+0x4c/0x8c
[  415.451148][ T4286]  __arm64_sys_ioctl+0x5c/0x148
[  415.452174][ T4286]  invoke_syscall+0x64/0x174
[  415.453080][ T4286]  el0_svc_common+0xb8/0x174
[  415.453406][ T4287] block nbd0: Device being setup by another task
[  415.454098][ T4286]  do_el0_svc+0x3c/0xec
[  415.456248][ T4286]  el0_svc+0x34/0x110
[  415.457082][ T4286]  el0t_64_sync_handler+0x84/0xf0
[  415.458113][ T4286]  el0t_64_sync+0x18c/0x190
[  415.589663][ T4286] block nbd0: shutting down sockets
[  415.683818][ T4289] FAULT_INJECTION: forcing a failure.
[  415.683818][ T4289] name failslab, interval 1, probability 0, space 0, times 0
[  415.686654][ T4289] CPU: 1 PID: 4289 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  415.688462][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  415.690512][ T4289] Call trace:
[  415.691223][ T4289]  dump_backtrace+0x1c8/0x1f4
[  415.692106][ T4289]  show_stack+0x2c/0x3c
[  415.692974][ T4289]  dump_stack_lvl+0xc0/0x104
[  415.693902][ T4289]  dump_stack+0x1c/0x4c
[  415.694831][ T4289]  should_fail_ex+0x1bc/0x1e0
[  415.695822][ T4289]  __should_failslab+0x64/0x78
[  415.696844][ T4289]  should_failslab+0x10/0x28
[  415.697866][ T4289]  __kmem_cache_alloc_node+0x6c/0x348
[  415.699116][ T4289]  __kmalloc+0x98/0xd8
[  415.700046][ T4289]  tomoyo_supervisor+0x700/0x888
[  415.701130][ T4289]  tomoyo_path_number_perm+0x200/0x2a8
[  415.702347][ T4289]  tomoyo_file_ioctl+0x2c/0x3c
[  415.703294][ T4289]  security_file_ioctl+0x4c/0x8c
[  415.704329][ T4289]  __arm64_sys_ioctl+0x5c/0x148
[  415.705433][ T4289]  invoke_syscall+0x64/0x174
[  415.706349][ T4289]  el0_svc_common+0xb8/0x174
[  415.707313][ T4289]  do_el0_svc+0x3c/0xec
[  415.708213][ T4289]  el0_svc+0x34/0x110
[  415.709088][ T4289]  el0t_64_sync_handler+0x84/0xf0
[  415.710180][ T4289]  el0t_64_sync+0x18c/0x190
[  415.842377][ T4289] block nbd0: shutting down sockets
[  415.934903][ T4292] FAULT_INJECTION: forcing a failure.
[  415.934903][ T4292] name failslab, interval 1, probability 0, space 0, times 0
[  415.937871][ T4292] CPU: 0 PID: 4292 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  415.939669][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  415.941748][ T4292] Call trace:
[  415.942449][ T4292]  dump_backtrace+0x1c8/0x1f4
[  415.943554][ T4292]  show_stack+0x2c/0x3c
[  415.944536][ T4292]  dump_stack_lvl+0xc0/0x104
[  415.945531][ T4292]  dump_stack+0x1c/0x4c
[  415.946375][ T4292]  should_fail_ex+0x1bc/0x1e0
[  415.947356][ T4292]  __should_failslab+0x64/0x78
[  415.948355][ T4292]  should_failslab+0x10/0x28
[  415.949273][ T4292]  __kmem_cache_alloc_node+0x6c/0x348
[  415.950326][ T4292]  __kmalloc+0x98/0xd8
[  415.951152][ T4292]  tomoyo_supervisor+0x700/0x888
[  415.952171][ T4292]  tomoyo_path_number_perm+0x200/0x2a8
[  415.953431][ T4292]  tomoyo_file_ioctl+0x2c/0x3c
[  415.954484][ T4292]  security_file_ioctl+0x4c/0x8c
[  415.955595][ T4292]  __arm64_sys_ioctl+0x5c/0x148
[  415.956603][ T4292]  invoke_syscall+0x64/0x174
[  415.957585][ T4292]  el0_svc_common+0xb8/0x174
[  415.958553][ T4292]  do_el0_svc+0x3c/0xec
[  415.959446][ T4292]  el0_svc+0x34/0x110
[  415.960226][ T4292]  el0t_64_sync_handler+0x84/0xf0
[  415.961277][ T4292]  el0t_64_sync+0x18c/0x190
[  416.093058][ T4292] block nbd0: shutting down sockets
[  416.173724][ T4294] FAULT_INJECTION: forcing a failure.
[  416.173724][ T4294] name failslab, interval 1, probability 0, space 0, times 0
[  416.176463][ T4294] CPU: 0 PID: 4294 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  416.178487][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  416.180606][ T4294] Call trace:
[  416.181181][ T4294]  dump_backtrace+0x1c8/0x1f4
[  416.182181][ T4294]  show_stack+0x2c/0x3c
[  416.183070][ T4294]  dump_stack_lvl+0xc0/0x104
[  416.184045][ T4294]  dump_stack+0x1c/0x4c
[  416.184806][ T4294]  should_fail_ex+0x1bc/0x1e0
[  416.185807][ T4294]  __should_failslab+0x64/0x78
[  416.186778][ T4294]  should_failslab+0x10/0x28
[  416.187700][ T4294]  __kmem_cache_alloc_node+0x6c/0x348
[  416.188863][ T4294]  __kmalloc+0x98/0xd8
[  416.189744][ T4294]  tomoyo_supervisor+0x700/0x888
[  416.190740][ T4294]  tomoyo_path_number_perm+0x200/0x2a8
[  416.191850][ T4294]  tomoyo_file_ioctl+0x2c/0x3c
[  416.192774][ T4294]  security_file_ioctl+0x4c/0x8c
[  416.193823][ T4294]  __arm64_sys_ioctl+0x5c/0x148
[  416.194808][ T4294]  invoke_syscall+0x64/0x174
[  416.195707][ T4294]  el0_svc_common+0xb8/0x174
[  416.196639][ T4294]  do_el0_svc+0x3c/0xec
[  416.197446][ T4294]  el0_svc+0x34/0x110
[  416.198198][ T4294]  el0t_64_sync_handler+0x84/0xf0
[  416.199207][ T4294]  el0t_64_sync+0x18c/0x190
[  416.332697][ T4294] block nbd0: shutting down sockets
[  416.413759][ T4296] FAULT_INJECTION: forcing a failure.
[  416.413759][ T4296] name failslab, interval 1, probability 0, space 0, times 0
[  416.416286][ T4296] CPU: 0 PID: 4296 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  416.418251][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  416.420406][ T4296] Call trace:
[  416.421125][ T4296]  dump_backtrace+0x1c8/0x1f4
[  416.422168][ T4296]  show_stack+0x2c/0x3c
[  416.423047][ T4296]  dump_stack_lvl+0xc0/0x104
[  416.424108][ T4296]  dump_stack+0x1c/0x4c
[  416.424976][ T4296]  should_fail_ex+0x1bc/0x1e0
[  416.425938][ T4296]  __should_failslab+0x64/0x78
[  416.427055][ T4296]  should_failslab+0x10/0x28
[  416.428098][ T4296]  __kmem_cache_alloc_node+0x6c/0x348
[  416.429337][ T4296]  __kmalloc+0x98/0xd8
[  416.430127][ T4296]  tomoyo_supervisor+0x700/0x888
[  416.431116][ T4296]  tomoyo_path_number_perm+0x200/0x2a8
[  416.432326][ T4296]  tomoyo_file_ioctl+0x2c/0x3c
[  416.433273][ T4296]  security_file_ioctl+0x4c/0x8c
[  416.434292][ T4296]  __arm64_sys_ioctl+0x5c/0x148
[  416.435399][ T4296]  invoke_syscall+0x64/0x174
[  416.436338][ T4296]  el0_svc_common+0xb8/0x174
[  416.437244][ T4296]  do_el0_svc+0x3c/0xec
[  416.438181][ T4296]  el0_svc+0x34/0x110
[  416.439035][ T4296]  el0t_64_sync_handler+0x84/0xf0
[  416.440082][ T4296]  el0t_64_sync+0x18c/0x190
[  416.572786][ T4296] block nbd0: shutting down sockets
[  416.643830][ T4298] FAULT_INJECTION: forcing a failure.
[  416.643830][ T4298] name failslab, interval 1, probability 0, space 0, times 0
[  416.646567][ T4298] CPU: 0 PID: 4298 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  416.648272][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  416.650503][ T4298] Call trace:
[  416.651152][ T4298]  dump_backtrace+0x1c8/0x1f4
[  416.652069][ T4298]  show_stack+0x2c/0x3c
[  416.652943][ T4298]  dump_stack_lvl+0xc0/0x104
[  416.653890][ T4298]  dump_stack+0x1c/0x4c
[  416.654759][ T4298]  should_fail_ex+0x1bc/0x1e0
[  416.655765][ T4298]  __should_failslab+0x64/0x78
[  416.656882][ T4298]  should_failslab+0x10/0x28
[  416.657894][ T4298]  __kmem_cache_alloc_node+0x6c/0x348
[  416.659133][ T4298]  __kmalloc+0x98/0xd8
[  416.660036][ T4298]  tomoyo_supervisor+0x700/0x888
[  416.661054][ T4298]  tomoyo_path_number_perm+0x200/0x2a8
[  416.662182][ T4298]  tomoyo_file_ioctl+0x2c/0x3c
[  416.663224][ T4298]  security_file_ioctl+0x4c/0x8c
[  416.664313][ T4298]  __arm64_sys_ioctl+0x5c/0x148
[  416.665406][ T4298]  invoke_syscall+0x64/0x174
[  416.666453][ T4298]  el0_svc_common+0xb8/0x174
[  416.667430][ T4298]  do_el0_svc+0x3c/0xec
[  416.668340][ T4298]  el0_svc+0x34/0x110
[  416.669169][ T4298]  el0t_64_sync_handler+0x84/0xf0
[  416.670374][ T4298]  el0t_64_sync+0x18c/0x190
[  416.802102][ T4298] block nbd0: shutting down sockets
[  416.904923][ T4301] FAULT_INJECTION: forcing a failure.
[  416.904923][ T4301] name failslab, interval 1, probability 0, space 0, times 0
[  416.907773][ T4301] CPU: 0 PID: 4301 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  416.909600][ T4301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  416.911693][ T4301] Call trace:
[  416.912346][ T4301]  dump_backtrace+0x1c8/0x1f4
[  416.913271][ T4301]  show_stack+0x2c/0x3c
[  416.914120][ T4301]  dump_stack_lvl+0xc0/0x104
[  416.915168][ T4301]  dump_stack+0x1c/0x4c
[  416.916091][ T4301]  should_fail_ex+0x1bc/0x1e0
[  416.917071][ T4301]  __should_failslab+0x64/0x78
[  416.918065][ T4301]  should_failslab+0x10/0x28
[  416.918979][ T4301]  __kmem_cache_alloc_node+0x6c/0x348
[  416.920184][ T4301]  __kmalloc+0x98/0xd8
[  416.921119][ T4301]  tomoyo_supervisor+0x700/0x888
[  416.922312][ T4301]  tomoyo_path_number_perm+0x200/0x2a8
[  416.923407][ T4301]  tomoyo_file_ioctl+0x2c/0x3c
[  416.924358][ T4301]  security_file_ioctl+0x4c/0x8c
[  416.925304][ T4301]  __arm64_sys_ioctl+0x5c/0x148
[  416.926306][ T4301]  invoke_syscall+0x64/0x174
[  416.927222][ T4301]  el0_svc_common+0xb8/0x174
[  416.928272][ T4301]  do_el0_svc+0x3c/0xec
[  416.929124][ T4301]  el0_svc+0x34/0x110
[  416.930054][ T4301]  el0t_64_sync_handler+0x84/0xf0
[  416.931095][ T4301]  el0t_64_sync+0x18c/0x190
[  417.064492][ T4301] block nbd0: shutting down sockets
[  417.163415][ T4304] block nbd0: Device being setup by another task
[  417.165248][ T4303] FAULT_INJECTION: forcing a failure.
[  417.165248][ T4303] name failslab, interval 1, probability 0, space 0, times 0
[  417.168032][ T4303] CPU: 1 PID: 4303 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  417.169745][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  417.171995][ T4303] Call trace:
[  417.172695][ T4303]  dump_backtrace+0x1c8/0x1f4
[  417.173733][ T4303]  show_stack+0x2c/0x3c
[  417.174641][ T4303]  dump_stack_lvl+0xc0/0x104
[  417.175657][ T4303]  dump_stack+0x1c/0x4c
[  417.176515][ T4303]  should_fail_ex+0x1bc/0x1e0
[  417.177515][ T4303]  __should_failslab+0x64/0x78
[  417.178591][ T4303]  should_failslab+0x10/0x28
[  417.179601][ T4303]  __kmem_cache_alloc_node+0x6c/0x348
[  417.180720][ T4303]  __kmalloc+0x98/0xd8
[  417.181624][ T4303]  tomoyo_supervisor+0x700/0x888
[  417.182738][ T4303]  tomoyo_path_number_perm+0x200/0x2a8
[  417.184111][ T4303]  tomoyo_file_ioctl+0x2c/0x3c
[  417.185211][ T4303]  security_file_ioctl+0x4c/0x8c
[  417.186239][ T4303]  __arm64_sys_ioctl+0x5c/0x148
[  417.187256][ T4303]  invoke_syscall+0x64/0x174
[  417.188170][ T4303]  el0_svc_common+0xb8/0x174
[  417.189169][ T4303]  do_el0_svc+0x3c/0xec
[  417.190114][ T4303]  el0_svc+0x34/0x110
[  417.191001][ T4303]  el0t_64_sync_handler+0x84/0xf0
[  417.192077][ T4303]  el0t_64_sync+0x18c/0x190
[  417.324799][ T4303] block nbd0: shutting down sockets
[  417.433469][ T4307] block nbd0: Device being setup by another task
[  417.435275][ T4306] FAULT_INJECTION: forcing a failure.
[  417.435275][ T4306] name failslab, interval 1, probability 0, space 0, times 0
[  417.437922][ T4306] CPU: 0 PID: 4306 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  417.439633][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  417.441600][ T4306] Call trace:
[  417.442209][ T4306]  dump_backtrace+0x1c8/0x1f4
[  417.443198][ T4306]  show_stack+0x2c/0x3c
[  417.444182][ T4306]  dump_stack_lvl+0xc0/0x104
[  417.445185][ T4306]  dump_stack+0x1c/0x4c
[  417.446024][ T4306]  should_fail_ex+0x1bc/0x1e0
[  417.447026][ T4306]  __should_failslab+0x64/0x78
[  417.448006][ T4306]  should_failslab+0x10/0x28
[  417.448982][ T4306]  __kmem_cache_alloc_node+0x6c/0x348
[  417.450063][ T4306]  __kmalloc+0x98/0xd8
[  417.450874][ T4306]  tomoyo_supervisor+0x700/0x888
[  417.451875][ T4306]  tomoyo_path_number_perm+0x200/0x2a8
[  417.452985][ T4306]  tomoyo_file_ioctl+0x2c/0x3c
[  417.454059][ T4306]  security_file_ioctl+0x4c/0x8c
[  417.455023][ T4306]  __arm64_sys_ioctl+0x5c/0x148
[  417.456034][ T4306]  invoke_syscall+0x64/0x174
[  417.457028][ T4306]  el0_svc_common+0xb8/0x174
[  417.458041][ T4306]  do_el0_svc+0x3c/0xec
[  417.458953][ T4306]  el0_svc+0x34/0x110
[  417.459752][ T4306]  el0t_64_sync_handler+0x84/0xf0
[  417.460880][ T4306]  el0t_64_sync+0x18c/0x190
[  417.593761][ T4306] block nbd0: shutting down sockets
[  417.833145][ T4309] block nbd0: shutting down sockets
[  417.913716][ T4311] FAULT_INJECTION: forcing a failure.
[  417.913716][ T4311] name failslab, interval 1, probability 0, space 0, times 0
[  417.916392][ T4311] CPU: 0 PID: 4311 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  417.918109][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  417.920186][ T4311] Call trace:
[  417.920799][ T4311]  dump_backtrace+0x1c8/0x1f4
[  417.921852][ T4311]  show_stack+0x2c/0x3c
[  417.922744][ T4311]  dump_stack_lvl+0xc0/0x104
[  417.923597][ T4311]  dump_stack+0x1c/0x4c
[  417.924482][ T4311]  should_fail_ex+0x1bc/0x1e0
[  417.925459][ T4311]  __should_failslab+0x64/0x78
[  417.926506][ T4311]  should_failslab+0x10/0x28
[  417.927415][ T4311]  slab_pre_alloc_hook+0x54/0x1f4
[  417.928454][ T4311]  kmem_cache_alloc_lru+0x60/0x2ac
[  417.929504][ T4311]  alloc_inode+0x7c/0x104
[  417.930452][ T4311]  new_inode+0x2c/0xc0
[  417.931357][ T4311]  debugfs_create_dir+0x98/0x1e0
[  417.932395][ T4311]  nbd_start_device+0x1b4/0x510
[  417.933451][ T4311]  nbd_ioctl+0x228/0x66c
[  417.934405][ T4311]  blkdev_ioctl+0x218/0x664
[  417.935352][ T4311]  __arm64_sys_ioctl+0xd0/0x148
[  417.936452][ T4311]  invoke_syscall+0x64/0x174
[  417.937302][ T4311]  el0_svc_common+0xb8/0x174
[  417.938225][ T4311]  do_el0_svc+0x3c/0xec
[  417.939138][ T4311]  el0_svc+0x34/0x110
[  417.940084][ T4311]  el0t_64_sync_handler+0x84/0xf0
[  417.941258][ T4311]  el0t_64_sync+0x18c/0x190
[  417.942263][ T4311] debugfs: out of free dentries, can not create directory 'nbd0'
[  417.943939][ T4311] block nbd0: Failed to create debugfs dir for 'nbd0'
[  418.073156][ T4311] block nbd0: shutting down sockets
[  418.193537][ T4314] FAULT_INJECTION: forcing a failure.
[  418.193537][ T4314] name failslab, interval 1, probability 0, space 0, times 0
[  418.196312][ T4314] CPU: 1 PID: 4314 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  418.198359][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  418.201109][ T4314] Call trace:
[  418.201789][ T4314]  dump_backtrace+0x1c8/0x1f4
[  418.202801][ T4314]  show_stack+0x2c/0x3c
[  418.203842][ T4314]  dump_stack_lvl+0xc0/0x104
[  418.204895][ T4314]  dump_stack+0x1c/0x4c
[  418.205710][ T4314]  should_fail_ex+0x1bc/0x1e0
[  418.206709][ T4314]  __should_failslab+0x64/0x78
[  418.207826][ T4314]  should_failslab+0x10/0x28
[  418.208766][ T4314]  slab_pre_alloc_hook+0x54/0x1f4
[  418.209794][ T4314]  kmem_cache_alloc_lru+0x60/0x2ac
[  418.210891][ T4314]  alloc_inode+0x7c/0x104
[  418.211786][ T4314]  new_inode+0x2c/0xc0
[  418.212640][ T4314]  debugfs_create_dir+0x98/0x1e0
[  418.213732][ T4314]  nbd_start_device+0x1b4/0x510
[  418.214755][ T4314]  nbd_ioctl+0x228/0x66c
[  418.215701][ T4314]  blkdev_ioctl+0x218/0x664
[  418.216805][ T4314]  __arm64_sys_ioctl+0xd0/0x148
[  418.217968][ T4314]  invoke_syscall+0x64/0x174
[  418.219095][ T4314]  el0_svc_common+0xb8/0x174
[  418.220046][ T4314]  do_el0_svc+0x3c/0xec
[  418.220868][ T4314]  el0_svc+0x34/0x110
[  418.221754][ T4314]  el0t_64_sync_handler+0x84/0xf0
[  418.222812][ T4314]  el0t_64_sync+0x18c/0x190
[  418.223865][ T4314] debugfs: out of free dentries, can not create directory 'nbd0'
[  418.225661][ T4314] block nbd0: Failed to create debugfs dir for 'nbd0'
[  418.334715][ T4314] block nbd0: shutting down sockets
[  418.413741][ T4316] FAULT_INJECTION: forcing a failure.
[  418.413741][ T4316] name failslab, interval 1, probability 0, space 0, times 0
[  418.416481][ T4316] CPU: 1 PID: 4316 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  418.418299][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  418.420594][ T4316] Call trace:
[  418.421307][ T4316]  dump_backtrace+0x1c8/0x1f4
[  418.422286][ T4316]  show_stack+0x2c/0x3c
[  418.423111][ T4316]  dump_stack_lvl+0xc0/0x104
[  418.424130][ T4316]  dump_stack+0x1c/0x4c
[  418.424960][ T4316]  should_fail_ex+0x1bc/0x1e0
[  418.426077][ T4316]  __should_failslab+0x64/0x78
[  418.427132][ T4316]  should_failslab+0x10/0x28
[  418.428079][ T4316]  slab_pre_alloc_hook+0x54/0x1f4
[  418.429174][ T4316]  kmem_cache_alloc_lru+0x60/0x2ac
[  418.430298][ T4316]  alloc_inode+0x7c/0x104
[  418.431268][ T4316]  new_inode+0x2c/0xc0
[  418.432087][ T4316]  debugfs_create_dir+0x98/0x1e0
[  418.433177][ T4316]  nbd_start_device+0x1b4/0x510
[  418.434274][ T4316]  nbd_ioctl+0x228/0x66c
[  418.435114][ T4316]  blkdev_ioctl+0x218/0x664
[  418.436149][ T4316]  __arm64_sys_ioctl+0xd0/0x148
[  418.437242][ T4316]  invoke_syscall+0x64/0x174
[  418.438263][ T4316]  el0_svc_common+0xb8/0x174
[  418.439238][ T4316]  do_el0_svc+0x3c/0xec
[  418.440096][ T4316]  el0_svc+0x34/0x110
[  418.440918][ T4316]  el0t_64_sync_handler+0x84/0xf0
[  418.442012][ T4316]  el0t_64_sync+0x18c/0x190
[  418.442934][ T4316] debugfs: out of free dentries, can not create directory 'nbd0'
[  418.444773][ T4316] block nbd0: Failed to create debugfs dir for 'nbd0'
[  418.572538][ T4316] block nbd0: shutting down sockets
[  418.643619][ T4318] FAULT_INJECTION: forcing a failure.
[  418.643619][ T4318] name failslab, interval 1, probability 0, space 0, times 0
[  418.646356][ T4318] CPU: 1 PID: 4318 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  418.648157][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  418.650360][ T4318] Call trace:
[  418.650982][ T4318]  dump_backtrace+0x1c8/0x1f4
[  418.651944][ T4318]  show_stack+0x2c/0x3c
[  418.652773][ T4318]  dump_stack_lvl+0xc0/0x104
[  418.653743][ T4318]  dump_stack+0x1c/0x4c
[  418.654665][ T4318]  should_fail_ex+0x1bc/0x1e0
[  418.655698][ T4318]  __should_failslab+0x64/0x78
[  418.656749][ T4318]  should_failslab+0x10/0x28
[  418.657741][ T4318]  slab_pre_alloc_hook+0x54/0x1f4
[  418.658853][ T4318]  kmem_cache_alloc_lru+0x60/0x2ac
[  418.659931][ T4318]  alloc_inode+0x7c/0x104
[  418.660900][ T4318]  new_inode+0x2c/0xc0
[  418.661683][ T4318]  debugfs_create_dir+0x98/0x1e0
[  418.662655][ T4318]  nbd_start_device+0x1b4/0x510
[  418.663658][ T4318]  nbd_ioctl+0x228/0x66c
[  418.664592][ T4318]  blkdev_ioctl+0x218/0x664
[  418.665539][ T4318]  __arm64_sys_ioctl+0xd0/0x148
[  418.666615][ T4318]  invoke_syscall+0x64/0x174
[  418.667596][ T4318]  el0_svc_common+0xb8/0x174
[  418.668583][ T4318]  do_el0_svc+0x3c/0xec
[  418.669493][ T4318]  el0_svc+0x34/0x110
[  418.670340][ T4318]  el0t_64_sync_handler+0x84/0xf0
[  418.671404][ T4318]  el0t_64_sync+0x18c/0x190
[  418.672399][ T4318] debugfs: out of free dentries, can not create directory 'nbd0'
[  418.674047][ T4318] block nbd0: Failed to create debugfs dir for 'nbd0'
[  418.802570][ T4318] block nbd0: shutting down sockets
[  418.893655][ T4320] FAULT_INJECTION: forcing a failure.
[  418.893655][ T4320] name failslab, interval 1, probability 0, space 0, times 0
[  418.896401][ T4320] CPU: 0 PID: 4320 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  418.898371][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  418.900543][ T4320] Call trace:
[  418.901172][ T4320]  dump_backtrace+0x1c8/0x1f4
[  418.902146][ T4320]  show_stack+0x2c/0x3c
[  418.902955][ T4320]  dump_stack_lvl+0xc0/0x104
[  418.903848][ T4320]  dump_stack+0x1c/0x4c
[  418.904648][ T4320]  should_fail_ex+0x1bc/0x1e0
[  418.905624][ T4320]  __should_failslab+0x64/0x78
[  418.906638][ T4320]  should_failslab+0x10/0x28
[  418.907605][ T4320]  slab_pre_alloc_hook+0x54/0x1f4
[  418.908746][ T4320]  kmem_cache_alloc_lru+0x60/0x2ac
[  418.909866][ T4320]  alloc_inode+0x7c/0x104
[  418.910809][ T4320]  new_inode+0x2c/0xc0
[  418.911665][ T4320]  debugfs_create_dir+0x98/0x1e0
[  418.912914][ T4320]  nbd_start_device+0x1b4/0x510
[  418.913974][ T4320]  nbd_ioctl+0x228/0x66c
[  418.914898][ T4320]  blkdev_ioctl+0x218/0x664
[  418.915919][ T4320]  __arm64_sys_ioctl+0xd0/0x148
[  418.916945][ T4320]  invoke_syscall+0x64/0x174
[  418.917905][ T4320]  el0_svc_common+0xb8/0x174
[  418.918925][ T4320]  do_el0_svc+0x3c/0xec
[  418.919888][ T4320]  el0_svc+0x34/0x110
[  418.920733][ T4320]  el0t_64_sync_handler+0x84/0xf0
[  418.921810][ T4320]  el0t_64_sync+0x18c/0x190
[  418.922863][ T4320] debugfs: out of free dentries, can not create directory 'nbd0'
[  418.924517][ T4320] block nbd0: Failed to create debugfs dir for 'nbd0'
[  419.052618][ T4320] block nbd0: shutting down sockets
[  419.143717][ T4322] FAULT_INJECTION: forcing a failure.
[  419.143717][ T4322] name failslab, interval 1, probability 0, space 0, times 0
[  419.146626][ T4322] CPU: 1 PID: 4322 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  419.148358][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  419.150617][ T4322] Call trace:
[  419.151371][ T4322]  dump_backtrace+0x1c8/0x1f4
[  419.152504][ T4322]  show_stack+0x2c/0x3c
[  419.153374][ T4322]  dump_stack_lvl+0xc0/0x104
[  419.154466][ T4322]  dump_stack+0x1c/0x4c
[  419.155377][ T4322]  should_fail_ex+0x1bc/0x1e0
[  419.156390][ T4322]  __should_failslab+0x64/0x78
[  419.157397][ T4322]  should_failslab+0x10/0x28
[  419.158525][ T4322]  slab_pre_alloc_hook+0x54/0x1f4
[  419.159610][ T4322]  kmem_cache_alloc_lru+0x60/0x2ac
[  419.160808][ T4322]  alloc_inode+0x7c/0x104
[  419.161848][ T4322]  new_inode+0x2c/0xc0
[  419.162924][ T4322]  debugfs_create_dir+0x98/0x1e0
[  419.163961][ T4322]  nbd_start_device+0x1b4/0x510
[  419.164942][ T4322]  nbd_ioctl+0x228/0x66c
[  419.166029][ T4322]  blkdev_ioctl+0x218/0x664
[  419.167067][ T4322]  __arm64_sys_ioctl+0xd0/0x148
[  419.168129][ T4322]  invoke_syscall+0x64/0x174
[  419.169131][ T4322]  el0_svc_common+0xb8/0x174
[  419.170220][ T4322]  do_el0_svc+0x3c/0xec
[  419.171138][ T4322]  el0_svc+0x34/0x110
[  419.171994][ T4322]  el0t_64_sync_handler+0x84/0xf0
[  419.173055][ T4322]  el0t_64_sync+0x18c/0x190
[  419.174099][ T4322] debugfs: out of free dentries, can not create directory 'nbd0'
[  419.175879][ T4322] block nbd0: Failed to create debugfs dir for 'nbd0'
[  419.303432][ T4322] block nbd0: shutting down sockets
[  419.383680][ T4324] FAULT_INJECTION: forcing a failure.
[  419.383680][ T4324] name failslab, interval 1, probability 0, space 0, times 0
[  419.386442][ T4324] CPU: 1 PID: 4324 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  419.388310][ T4324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  419.390635][ T4324] Call trace:
[  419.391376][ T4324]  dump_backtrace+0x1c8/0x1f4
[  419.392371][ T4324]  show_stack+0x2c/0x3c
[  419.393274][ T4324]  dump_stack_lvl+0xc0/0x104
[  419.394187][ T4324]  dump_stack+0x1c/0x4c
[  419.395151][ T4324]  should_fail_ex+0x1bc/0x1e0
[  419.396325][ T4324]  __should_failslab+0x64/0x78
[  419.397462][ T4324]  should_failslab+0x10/0x28
[  419.398388][ T4324]  slab_pre_alloc_hook+0x54/0x1f4
[  419.399545][ T4324]  kmem_cache_alloc_lru+0x60/0x2ac
[  419.400571][ T4324]  alloc_inode+0x7c/0x104
[  419.401599][ T4324]  new_inode+0x2c/0xc0
[  419.402436][ T4324]  debugfs_create_dir+0x98/0x1e0
[  419.403500][ T4324]  nbd_start_device+0x1b4/0x510
[  419.404576][ T4324]  nbd_ioctl+0x228/0x66c
[  419.405507][ T4324]  blkdev_ioctl+0x218/0x664
[  419.406552][ T4324]  __arm64_sys_ioctl+0xd0/0x148
[  419.407687][ T4324]  invoke_syscall+0x64/0x174
[  419.408663][ T4324]  el0_svc_common+0xb8/0x174
[  419.409571][ T4324]  do_el0_svc+0x3c/0xec
[  419.410409][ T4324]  el0_svc+0x34/0x110
[  419.411280][ T4324]  el0t_64_sync_handler+0x84/0xf0
[  419.412425][ T4324]  el0t_64_sync+0x18c/0x190
[  419.413690][ T4324] debugfs: out of free dentries, can not create directory 'nbd0'
[  419.415456][ T4324] block nbd0: Failed to create debugfs dir for 'nbd0'
[  419.542897][ T4324] block nbd0: shutting down sockets
[  419.663402][ T4327] block nbd0: Device being setup by another task
[  419.705063][ T4326] FAULT_INJECTION: forcing a failure.
[  419.705063][ T4326] name failslab, interval 1, probability 0, space 0, times 0
[  419.708018][ T4326] CPU: 0 PID: 4326 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  419.709949][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  419.712148][ T4326] Call trace:
[  419.712854][ T4326]  dump_backtrace+0x1c8/0x1f4
[  419.713911][ T4326]  show_stack+0x2c/0x3c
[  419.714790][ T4326]  dump_stack_lvl+0xc0/0x104
[  419.715842][ T4326]  dump_stack+0x1c/0x4c
[  419.716723][ T4326]  should_fail_ex+0x1bc/0x1e0
[  419.717695][ T4326]  __should_failslab+0x64/0x78
[  419.718733][ T4326]  should_failslab+0x10/0x28
[  419.719690][ T4326]  __kmem_cache_alloc_node+0x6c/0x348
[  419.720869][ T4326]  __kmalloc_node_track_caller+0x84/0xc0
[  419.722071][ T4326]  kstrdup_const+0x90/0xdc
[  419.723124][ T4326]  __kernfs_new_node+0x5c/0x2e8
[  419.724175][ T4326]  kernfs_create_dir_ns+0xac/0x188
[  419.725379][ T4326]  sysfs_create_dir_ns+0x8c/0x168
[  419.726504][ T4326]  kobject_add_internal+0x314/0x64c
[  419.727600][ T4326]  kobject_add+0xb8/0x130
[  419.728417][ T4326]  blk_mq_register_hctx+0x54/0x184
[  419.729530][ T4326]  blk_mq_sysfs_register_hctxs+0x80/0x110
[  419.730696][ T4326]  blk_mq_update_nr_hw_queues+0x4d0/0x6c8
[  419.732025][ T4326]  nbd_start_device+0xc4/0x510
[  419.733059][ T4326]  nbd_ioctl+0x228/0x66c
[  419.734040][ T4326]  blkdev_ioctl+0x218/0x664
[  419.734985][ T4326]  __arm64_sys_ioctl+0xd0/0x148
[  419.735955][ T4326]  invoke_syscall+0x64/0x174
[  419.737038][ T4326]  el0_svc_common+0xb8/0x174
[  419.737951][ T4326]  do_el0_svc+0x3c/0xec
[  419.738791][ T4326]  el0_svc+0x34/0x110
[  419.739667][ T4326]  el0t_64_sync_handler+0x84/0xf0
[  419.740692][ T4326]  el0t_64_sync+0x18c/0x190
[  419.741788][ T4326] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  419.810394][ T4326] block nbd0: shutting down sockets
[  419.953446][ T4330] block nbd0: Device being setup by another task
[  419.954893][ T4329] FAULT_INJECTION: forcing a failure.
[  419.954893][ T4329] name failslab, interval 1, probability 0, space 0, times 0
[  419.957545][ T4329] CPU: 0 PID: 4329 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  419.959398][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  419.961623][ T4329] Call trace:
[  419.962316][ T4329]  dump_backtrace+0x1c8/0x1f4
[  419.963342][ T4329]  show_stack+0x2c/0x3c
[  419.964246][ T4329]  dump_stack_lvl+0xc0/0x104
[  419.965227][ T4329]  dump_stack+0x1c/0x4c
[  419.966113][ T4329]  should_fail_ex+0x1bc/0x1e0
[  419.967000][ T4329]  __should_failslab+0x64/0x78
[  419.968145][ T4329]  should_failslab+0x10/0x28
[  419.969049][ T4329]  slab_pre_alloc_hook+0x54/0x1f4
[  419.970245][ T4329]  kmem_cache_alloc_lru+0x60/0x2ac
[  419.971407][ T4329]  alloc_inode+0x7c/0x104
[  419.972292][ T4329]  new_inode+0x2c/0xc0
[  419.973163][ T4329]  debugfs_create_dir+0x98/0x1e0
[  419.974162][ T4329]  nbd_start_device+0x1b4/0x510
[  419.975242][ T4329]  nbd_ioctl+0x228/0x66c
[  419.976169][ T4329]  blkdev_ioctl+0x218/0x664
[  419.977189][ T4329]  __arm64_sys_ioctl+0xd0/0x148
[  419.978343][ T4329]  invoke_syscall+0x64/0x174
[  419.979288][ T4329]  el0_svc_common+0xb8/0x174
[  419.980179][ T4329]  do_el0_svc+0x3c/0xec
[  419.981107][ T4329]  el0_svc+0x34/0x110
[  419.982027][ T4329]  el0t_64_sync_handler+0x84/0xf0
[  419.983187][ T4329]  el0t_64_sync+0x18c/0x190
[  419.984204][ T4329] debugfs: out of free dentries, can not create directory 'nbd0'
[  419.985866][ T4329] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.079636][ T4329] block nbd0: shutting down sockets
[  420.215579][ T4332] ------------[ cut here ]------------
[  420.216773][ T4332] kernfs: can not remove 'nr_tags', no directory
[  420.218132][ T4332] WARNING: CPU: 1 PID: 4332 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  420.220128][ T4332] Modules linked in:
[  420.220927][ T4332] CPU: 1 PID: 4332 Comm: syz-executor467 Not tainted 6.1.127-syzkaller #0
[  420.222651][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  420.224815][ T4332] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  420.226446][ T4332] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  420.227609][ T4332] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  420.228937][ T4332] sp : ffff80000de9bac0
[  420.229729][ T4332] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  420.231326][ T4332] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffbf8000
[  420.232925][ T4332] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  420.234762][ T4332] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  420.236475][ T4332] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  420.238190][ T4332] x14: 0000000000000000 x13: 205d323333345420 x12: ffff80000d1c6000
[  420.239827][ T4332] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2eaaaff2d5417900
[  420.241451][ T4332] x8 : 2eaaaff2d5417900 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  420.243249][ T4332] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  420.244915][ T4332] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  420.246731][ T4332] Call trace:
[  420.247509][ T4332]  kernfs_remove_by_name_ns+0xb4/0x110
[  420.248568][ T4332]  sysfs_remove_group+0x68/0x160
[  420.249645][ T4332]  sysfs_remove_groups+0x3c/0x78
[  420.250733][ T4332]  __kobject_del+0x34/0x134
[  420.251694][ T4332]  kobject_del+0x2c/0x4c
[  420.252637][ T4332]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  420.253882][ T4332]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  420.255057][ T4332]  nbd_start_device+0xc4/0x510
[  420.256045][ T4332]  nbd_ioctl+0x228/0x66c
[  420.256997][ T4332]  blkdev_ioctl+0x218/0x664
[  420.257871][ T4332]  __arm64_sys_ioctl+0xd0/0x148
[  420.258982][ T4332]  invoke_syscall+0x64/0x174
[  420.260009][ T4332]  el0_svc_common+0xb8/0x174
[  420.260927][ T4332]  do_el0_svc+0x3c/0xec
[  420.261780][ T4332]  el0_svc+0x34/0x110
[  420.262709][ T4332]  el0t_64_sync_handler+0x84/0xf0
[  420.263853][ T4332]  el0t_64_sync+0x18c/0x190
[  420.264863][ T4332] ---[ end trace 0000000000000000 ]---
[  420.266215][ T4332] ------------[ cut here ]------------
[  420.267393][ T4332] kernfs: can not remove 'nr_reserved_tags', no directory
[  420.269012][ T4332] WARNING: CPU: 1 PID: 4332 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  420.270968][ T4332] Modules linked in:
[  420.271761][ T4332] CPU: 1 PID: 4332 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  420.273835][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  420.275953][ T4332] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  420.277580][ T4332] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  420.278774][ T4332] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  420.280013][ T4332] sp : ffff80000de9bac0
[  420.280797][ T4332] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  420.282457][ T4332] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffbf8000
[  420.284053][ T4332] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  420.285840][ T4332] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  420.287638][ T4332] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  420.289295][ T4332] x14: 0000000000000000 x13: 205d323333345420 x12: ffff80000d1c6000
[  420.291156][ T4332] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2eaaaff2d5417900
[  420.292766][ T4332] x8 : 2eaaaff2d5417900 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  420.294378][ T4332] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  420.296089][ T4332] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  420.297790][ T4332] Call trace:
[  420.298422][ T4332]  kernfs_remove_by_name_ns+0xb4/0x110
[  420.299632][ T4332]  sysfs_remove_group+0x68/0x160
[  420.300738][ T4332]  sysfs_remove_groups+0x3c/0x78
[  420.301693][ T4332]  __kobject_del+0x34/0x134
[  420.302664][ T4332]  kobject_del+0x2c/0x4c
[  420.303558][ T4332]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  420.304754][ T4332]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  420.306006][ T4332]  nbd_start_device+0xc4/0x510
[  420.307080][ T4332]  nbd_ioctl+0x228/0x66c
[  420.307990][ T4332]  blkdev_ioctl+0x218/0x664
[  420.308947][ T4332]  __arm64_sys_ioctl+0xd0/0x148
[  420.309868][ T4332]  invoke_syscall+0x64/0x174
[  420.310908][ T4332]  el0_svc_common+0xb8/0x174
[  420.311909][ T4332]  do_el0_svc+0x3c/0xec
[  420.312794][ T4332]  el0_svc+0x34/0x110
[  420.313647][ T4332]  el0t_64_sync_handler+0x84/0xf0
[  420.314664][ T4332]  el0t_64_sync+0x18c/0x190
[  420.315637][ T4332] ---[ end trace 0000000000000000 ]---
[  420.316799][ T4332] ------------[ cut here ]------------
[  420.318003][ T4332] kernfs: can not remove 'cpu_list', no directory
[  420.319336][ T4332] WARNING: CPU: 1 PID: 4332 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  420.321512][ T4332] Modules linked in:
[  420.322343][ T4332] CPU: 1 PID: 4332 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  420.324386][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  420.326412][ T4332] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  420.328070][ T4332] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  420.329283][ T4332] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  420.330529][ T4332] sp : ffff80000de9bac0
[  420.331386][ T4332] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  420.333150][ T4332] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffbf8000
[  420.334739][ T4332] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  420.336520][ T4332] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  420.338087][ T4332] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  420.339625][ T4332] x14: 0000000000000000 x13: 205d323333345420 x12: ffff80000d1c6000
[  420.341173][ T4332] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2eaaaff2d5417900
[  420.342849][ T4332] x8 : 2eaaaff2d5417900 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  420.344374][ T4332] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  420.346033][ T4332] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  420.347621][ T4332] Call trace:
[  420.348262][ T4332]  kernfs_remove_by_name_ns+0xb4/0x110
[  420.349303][ T4332]  sysfs_remove_group+0x68/0x160
[  420.350316][ T4332]  sysfs_remove_groups+0x3c/0x78
[  420.351304][ T4332]  __kobject_del+0x34/0x134
[  420.352270][ T4332]  kobject_del+0x2c/0x4c
[  420.353319][ T4332]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  420.354543][ T4332]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  420.355705][ T4332]  nbd_start_device+0xc4/0x510
[  420.356716][ T4332]  nbd_ioctl+0x228/0x66c
[  420.357575][ T4332]  blkdev_ioctl+0x218/0x664
[  420.358498][ T4332]  __arm64_sys_ioctl+0xd0/0x148
[  420.359626][ T4332]  invoke_syscall+0x64/0x174
[  420.360592][ T4332]  el0_svc_common+0xb8/0x174
[  420.361590][ T4332]  do_el0_svc+0x3c/0xec
[  420.362435][ T4332]  el0_svc+0x34/0x110
[  420.363264][ T4332]  el0t_64_sync_handler+0x84/0xf0
[  420.364330][ T4332]  el0t_64_sync+0x18c/0x190
[  420.365315][ T4332] ---[ end trace 0000000000000000 ]---
[  420.375984][ T4332] block nbd0: shutting down sockets
[  420.493399][ T4335] block nbd0: Device being setup by another task
[  420.535078][ T4334] FAULT_INJECTION: forcing a failure.
[  420.535078][ T4334] name failslab, interval 1, probability 0, space 0, times 0
[  420.537669][ T4334] CPU: 1 PID: 4334 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  420.539810][ T4334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  420.541845][ T4334] Call trace:
[  420.542510][ T4334]  dump_backtrace+0x1c8/0x1f4
[  420.543470][ T4334]  show_stack+0x2c/0x3c
[  420.544345][ T4334]  dump_stack_lvl+0xc0/0x104
[  420.545263][ T4334]  dump_stack+0x1c/0x4c
[  420.546111][ T4334]  should_fail_ex+0x1bc/0x1e0
[  420.547069][ T4334]  __should_failslab+0x64/0x78
[  420.548123][ T4334]  should_failslab+0x10/0x28
[  420.549084][ T4334]  __kmem_cache_alloc_node+0x6c/0x348
[  420.550183][ T4334]  __kmalloc_node_track_caller+0x84/0xc0
[  420.551435][ T4334]  kstrdup_const+0x90/0xdc
[  420.552385][ T4334]  __kernfs_new_node+0x5c/0x2e8
[  420.553428][ T4334]  kernfs_create_dir_ns+0xac/0x188
[  420.554569][ T4334]  sysfs_create_dir_ns+0x8c/0x168
[  420.555618][ T4334]  kobject_add_internal+0x314/0x64c
[  420.556709][ T4334]  kobject_add+0xb8/0x130
[  420.557551][ T4334]  blk_mq_register_hctx+0x54/0x184
[  420.558584][ T4334]  blk_mq_sysfs_register_hctxs+0x80/0x110
[  420.559732][ T4334]  blk_mq_update_nr_hw_queues+0x4d0/0x6c8
[  420.560962][ T4334]  nbd_start_device+0xc4/0x510
[  420.561987][ T4334]  nbd_ioctl+0x228/0x66c
[  420.562907][ T4334]  blkdev_ioctl+0x218/0x664
[  420.563939][ T4334]  __arm64_sys_ioctl+0xd0/0x148
[  420.564941][ T4334]  invoke_syscall+0x64/0x174
[  420.565800][ T4334]  el0_svc_common+0xb8/0x174
[  420.566741][ T4334]  do_el0_svc+0x3c/0xec
[  420.567617][ T4334]  el0_svc+0x34/0x110
[  420.568396][ T4334]  el0t_64_sync_handler+0x84/0xf0
[  420.569397][ T4334]  el0t_64_sync+0x18c/0x190
[  420.570422][ T4334] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  420.645688][ T4334] block nbd0: shutting down sockets
[  420.783446][ T4338] block nbd0: Device being setup by another task
[  420.784810][ T4337] FAULT_INJECTION: forcing a failure.
[  420.784810][ T4337] name failslab, interval 1, probability 0, space 0, times 0
[  420.787285][ T4337] CPU: 0 PID: 4337 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  420.789196][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  420.791073][ T4337] Call trace:
[  420.791745][ T4337]  dump_backtrace+0x1c8/0x1f4
[  420.792684][ T4337]  show_stack+0x2c/0x3c
[  420.793615][ T4337]  dump_stack_lvl+0xc0/0x104
[  420.794609][ T4337]  dump_stack+0x1c/0x4c
[  420.795387][ T4337]  should_fail_ex+0x1bc/0x1e0
[  420.796328][ T4337]  __should_failslab+0x64/0x78
[  420.797328][ T4337]  should_failslab+0x10/0x28
[  420.798239][ T4337]  slab_pre_alloc_hook+0x54/0x1f4
[  420.799264][ T4337]  kmem_cache_alloc_lru+0x60/0x2ac
[  420.800313][ T4337]  alloc_inode+0x7c/0x104
[  420.801252][ T4337]  new_inode+0x2c/0xc0
[  420.802093][ T4337]  debugfs_create_dir+0x98/0x1e0
[  420.803108][ T4337]  nbd_start_device+0x1b4/0x510
[  420.804036][ T4337]  nbd_ioctl+0x228/0x66c
[  420.804885][ T4337]  blkdev_ioctl+0x218/0x664
[  420.805806][ T4337]  __arm64_sys_ioctl+0xd0/0x148
[  420.806786][ T4337]  invoke_syscall+0x64/0x174
[  420.807690][ T4337]  el0_svc_common+0xb8/0x174
[  420.808651][ T4337]  do_el0_svc+0x3c/0xec
[  420.809509][ T4337]  el0_svc+0x34/0x110
[  420.810302][ T4337]  el0t_64_sync_handler+0x84/0xf0
[  420.811270][ T4337]  el0t_64_sync+0x18c/0x190
[  420.812171][ T4337] debugfs: out of free dentries, can not create directory 'nbd0'
[  420.813770][ T4337] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.915207][ T4337] block nbd0: shutting down sockets
[  421.055315][ T4340] ------------[ cut here ]------------
[  421.056479][ T4340] kernfs: can not remove 'nr_tags', no directory
[  421.057821][ T4340] WARNING: CPU: 1 PID: 4340 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  421.059916][ T4340] Modules linked in:
[  421.060747][ T4340] CPU: 1 PID: 4340 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  421.062902][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  421.065082][ T4340] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  421.066747][ T4340] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  421.067955][ T4340] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  421.069135][ T4340] sp : ffff80000de9bac0
[  421.070028][ T4340] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  421.071695][ T4340] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffa0cf80
[  421.073388][ T4340] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  421.075169][ T4340] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  421.077045][ T4340] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  421.078822][ T4340] x14: 0000000000000000 x13: 205d303433345420 x12: ffff80000d1c6000
[  421.080496][ T4340] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 33929f1179ab2200
[  421.082173][ T4340] x8 : 33929f1179ab2200 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  421.084053][ T4340] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  421.085850][ T4340] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  421.087537][ T4340] Call trace:
[  421.088284][ T4340]  kernfs_remove_by_name_ns+0xb4/0x110
[  421.089357][ T4340]  sysfs_remove_group+0x68/0x160
[  421.090384][ T4340]  sysfs_remove_groups+0x3c/0x78
[  421.091532][ T4340]  __kobject_del+0x34/0x134
[  421.092489][ T4340]  kobject_del+0x2c/0x4c
[  421.093408][ T4340]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  421.094622][ T4340]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  421.095909][ T4340]  nbd_start_device+0xc4/0x510
[  421.096963][ T4340]  nbd_ioctl+0x228/0x66c
[  421.097884][ T4340]  blkdev_ioctl+0x218/0x664
[  421.098848][ T4340]  __arm64_sys_ioctl+0xd0/0x148
[  421.099909][ T4340]  invoke_syscall+0x64/0x174
[  421.100839][ T4340]  el0_svc_common+0xb8/0x174
[  421.101877][ T4340]  do_el0_svc+0x3c/0xec
[  421.102659][ T4340]  el0_svc+0x34/0x110
[  421.103461][ T4340]  el0t_64_sync_handler+0x84/0xf0
[  421.104513][ T4340]  el0t_64_sync+0x18c/0x190
[  421.105411][ T4340] ---[ end trace 0000000000000000 ]---
[  421.106746][ T4340] ------------[ cut here ]------------
[  421.107832][ T4340] kernfs: can not remove 'nr_reserved_tags', no directory
[  421.109488][ T4340] WARNING: CPU: 1 PID: 4340 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  421.111595][ T4340] Modules linked in:
[  421.112416][ T4340] CPU: 1 PID: 4340 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  421.114601][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  421.116588][ T4340] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  421.118205][ T4340] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  421.119431][ T4340] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  421.120677][ T4340] sp : ffff80000de9bac0
[  421.121561][ T4340] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  421.123122][ T4340] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffa0cf80
[  421.124814][ T4340] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  421.126543][ T4340] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  421.128234][ T4340] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  421.130135][ T4340] x14: 0000000000000000 x13: 205d303433345420 x12: ffff80000d1c6000
[  421.131716][ T4340] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 33929f1179ab2200
[  421.133424][ T4340] x8 : 33929f1179ab2200 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  421.134897][ T4340] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  421.136757][ T4340] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  421.138483][ T4340] Call trace:
[  421.139241][ T4340]  kernfs_remove_by_name_ns+0xb4/0x110
[  421.140343][ T4340]  sysfs_remove_group+0x68/0x160
[  421.141408][ T4340]  sysfs_remove_groups+0x3c/0x78
[  421.142513][ T4340]  __kobject_del+0x34/0x134
[  421.143579][ T4340]  kobject_del+0x2c/0x4c
[  421.144522][ T4340]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  421.145703][ T4340]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  421.146923][ T4340]  nbd_start_device+0xc4/0x510
[  421.148029][ T4340]  nbd_ioctl+0x228/0x66c
[  421.148876][ T4340]  blkdev_ioctl+0x218/0x664
[  421.149841][ T4340]  __arm64_sys_ioctl+0xd0/0x148
[  421.150922][ T4340]  invoke_syscall+0x64/0x174
[  421.151990][ T4340]  el0_svc_common+0xb8/0x174
[  421.153043][ T4340]  do_el0_svc+0x3c/0xec
[  421.154027][ T4340]  el0_svc+0x34/0x110
[  421.154867][ T4340]  el0t_64_sync_handler+0x84/0xf0
[  421.156003][ T4340]  el0t_64_sync+0x18c/0x190
[  421.157015][ T4340] ---[ end trace 0000000000000000 ]---
[  421.158304][ T4340] ------------[ cut here ]------------
[  421.159478][ T4340] kernfs: can not remove 'cpu_list', no directory
[  421.160883][ T4340] WARNING: CPU: 1 PID: 4340 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  421.162807][ T4340] Modules linked in:
[  421.163623][ T4340] CPU: 1 PID: 4340 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  421.165850][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  421.167959][ T4340] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  421.169690][ T4340] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  421.170931][ T4340] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  421.172222][ T4340] sp : ffff80000de9bac0
[  421.173067][ T4340] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  421.174848][ T4340] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffa0cf80
[  421.176627][ T4340] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  421.178538][ T4340] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  421.180182][ T4340] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  421.181854][ T4340] x14: 0000000000000000 x13: 205d303433345420 x12: ffff80000d1c6000
[  421.183826][ T4340] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 33929f1179ab2200
[  421.185528][ T4340] x8 : 33929f1179ab2200 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  421.187404][ T4340] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  421.189092][ T4340] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  421.190911][ T4340] Call trace:
[  421.191641][ T4340]  kernfs_remove_by_name_ns+0xb4/0x110
[  421.192834][ T4340]  sysfs_remove_group+0x68/0x160
[  421.193790][ T4340]  sysfs_remove_groups+0x3c/0x78
[  421.194920][ T4340]  __kobject_del+0x34/0x134
[  421.195875][ T4340]  kobject_del+0x2c/0x4c
[  421.196834][ T4340]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  421.198122][ T4340]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  421.199327][ T4340]  nbd_start_device+0xc4/0x510
[  421.200313][ T4340]  nbd_ioctl+0x228/0x66c
[  421.201303][ T4340]  blkdev_ioctl+0x218/0x664
[  421.202277][ T4340]  __arm64_sys_ioctl+0xd0/0x148
[  421.203235][ T4340]  invoke_syscall+0x64/0x174
[  421.204161][ T4340]  el0_svc_common+0xb8/0x174
[  421.205169][ T4340]  do_el0_svc+0x3c/0xec
[  421.206047][ T4340]  el0_svc+0x34/0x110
[  421.206853][ T4340]  el0t_64_sync_handler+0x84/0xf0
[  421.207992][ T4340]  el0t_64_sync+0x18c/0x190
[  421.208876][ T4340] ---[ end trace 0000000000000000 ]---
[  421.216565][ T4340] block nbd0: shutting down sockets
[  421.323472][ T4343] FAULT_INJECTION: forcing a failure.
[  421.323472][ T4343] name failslab, interval 1, probability 0, space 0, times 0
[  421.326404][ T4343] CPU: 0 PID: 4343 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  421.328435][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  421.330589][ T4343] Call trace:
[  421.331231][ T4343]  dump_backtrace+0x1c8/0x1f4
[  421.332176][ T4343]  show_stack+0x2c/0x3c
[  421.333018][ T4343]  dump_stack_lvl+0xc0/0x104
[  421.333946][ T4343]  dump_stack+0x1c/0x4c
[  421.334813][ T4343]  should_fail_ex+0x1bc/0x1e0
[  421.335806][ T4343]  __should_failslab+0x64/0x78
[  421.336815][ T4343]  should_failslab+0x10/0x28
[  421.337834][ T4343]  slab_pre_alloc_hook+0x54/0x1f4
[  421.338846][ T4343]  kmem_cache_alloc_lru+0x60/0x2ac
[  421.339850][ T4343]  alloc_inode+0x7c/0x104
[  421.340789][ T4343]  new_inode+0x2c/0xc0
[  421.341619][ T4343]  debugfs_create_dir+0x98/0x1e0
[  421.342578][ T4343]  nbd_start_device+0x1b4/0x510
[  421.343582][ T4343]  nbd_ioctl+0x228/0x66c
[  421.344413][ T4343]  blkdev_ioctl+0x218/0x664
[  421.345327][ T4343]  __arm64_sys_ioctl+0xd0/0x148
[  421.346407][ T4343]  invoke_syscall+0x64/0x174
[  421.347387][ T4343]  el0_svc_common+0xb8/0x174
[  421.348359][ T4343]  do_el0_svc+0x3c/0xec
[  421.349168][ T4343]  el0_svc+0x34/0x110
[  421.349982][ T4343]  el0t_64_sync_handler+0x84/0xf0
[  421.350965][ T4343]  el0t_64_sync+0x18c/0x190
[  421.351906][ T4343] debugfs: out of free dentries, can not create directory 'nbd0'
[  421.353567][ T4343] block nbd0: Failed to create debugfs dir for 'nbd0'
[  421.474773][ T4343] block nbd0: shutting down sockets
[  421.603455][ T4346] block nbd0: Device being setup by another task
[  421.644991][ T4345] FAULT_INJECTION: forcing a failure.
[  421.644991][ T4345] name failslab, interval 1, probability 0, space 0, times 0
[  421.647653][ T4345] CPU: 1 PID: 4345 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  421.649776][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  421.651849][ T4345] Call trace:
[  421.652561][ T4345]  dump_backtrace+0x1c8/0x1f4
[  421.653546][ T4345]  show_stack+0x2c/0x3c
[  421.654451][ T4345]  dump_stack_lvl+0xc0/0x104
[  421.655425][ T4345]  dump_stack+0x1c/0x4c
[  421.656384][ T4345]  should_fail_ex+0x1bc/0x1e0
[  421.657505][ T4345]  __should_failslab+0x64/0x78
[  421.658476][ T4345]  should_failslab+0x10/0x28
[  421.659466][ T4345]  __kmem_cache_alloc_node+0x6c/0x348
[  421.660621][ T4345]  __kmalloc_node_track_caller+0x84/0xc0
[  421.661824][ T4345]  kstrdup_const+0x90/0xdc
[  421.662734][ T4345]  __kernfs_new_node+0x5c/0x2e8
[  421.663837][ T4345]  kernfs_create_dir_ns+0xac/0x188
[  421.664944][ T4345]  sysfs_create_dir_ns+0x8c/0x168
[  421.666091][ T4345]  kobject_add_internal+0x314/0x64c
[  421.667236][ T4345]  kobject_add+0xb8/0x130
[  421.668087][ T4345]  blk_mq_register_hctx+0x54/0x184
[  421.669121][ T4345]  blk_mq_sysfs_register_hctxs+0x80/0x110
[  421.670192][ T4345]  blk_mq_update_nr_hw_queues+0x4d0/0x6c8
[  421.671474][ T4345]  nbd_start_device+0xc4/0x510
[  421.672381][ T4345]  nbd_ioctl+0x228/0x66c
[  421.673318][ T4345]  blkdev_ioctl+0x218/0x664
[  421.674271][ T4345]  __arm64_sys_ioctl+0xd0/0x148
[  421.675360][ T4345]  invoke_syscall+0x64/0x174
[  421.676310][ T4345]  el0_svc_common+0xb8/0x174
[  421.677460][ T4345]  do_el0_svc+0x3c/0xec
[  421.678357][ T4345]  el0_svc+0x34/0x110
[  421.679275][ T4345]  el0t_64_sync_handler+0x84/0xf0
[  421.680483][ T4345]  el0t_64_sync+0x18c/0x190
[  421.681537][ T4345] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  421.746852][ T4345] block nbd0: shutting down sockets
[  421.883423][ T4349] block nbd0: Device being setup by another task
[  421.884929][ T4348] FAULT_INJECTION: forcing a failure.
[  421.884929][ T4348] name failslab, interval 1, probability 0, space 0, times 0
[  421.887637][ T4348] CPU: 1 PID: 4348 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  421.889807][ T4348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  421.891855][ T4348] Call trace:
[  421.892589][ T4348]  dump_backtrace+0x1c8/0x1f4
[  421.893554][ T4348]  show_stack+0x2c/0x3c
[  421.894579][ T4348]  dump_stack_lvl+0xc0/0x104
[  421.895524][ T4348]  dump_stack+0x1c/0x4c
[  421.896416][ T4348]  should_fail_ex+0x1bc/0x1e0
[  421.897529][ T4348]  __should_failslab+0x64/0x78
[  421.898493][ T4348]  should_failslab+0x10/0x28
[  421.899522][ T4348]  slab_pre_alloc_hook+0x54/0x1f4
[  421.900565][ T4348]  kmem_cache_alloc_lru+0x60/0x2ac
[  421.901576][ T4348]  alloc_inode+0x7c/0x104
[  421.902506][ T4348]  new_inode+0x2c/0xc0
[  421.903339][ T4348]  debugfs_create_dir+0x98/0x1e0
[  421.904451][ T4348]  nbd_start_device+0x1b4/0x510
[  421.905442][ T4348]  nbd_ioctl+0x228/0x66c
[  421.906355][ T4348]  blkdev_ioctl+0x218/0x664
[  421.907316][ T4348]  __arm64_sys_ioctl+0xd0/0x148
[  421.908388][ T4348]  invoke_syscall+0x64/0x174
[  421.909289][ T4348]  el0_svc_common+0xb8/0x174
[  421.910390][ T4348]  do_el0_svc+0x3c/0xec
[  421.911268][ T4348]  el0_svc+0x34/0x110
[  421.912184][ T4348]  el0t_64_sync_handler+0x84/0xf0
[  421.913333][ T4348]  el0t_64_sync+0x18c/0x190
[  421.914399][ T4348] debugfs: out of free dentries, can not create directory 'nbd0'
[  421.915989][ T4348] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.015163][ T4348] block nbd0: shutting down sockets
[  422.113458][ T4352] block nbd0: Device being setup by another task
[  422.115090][ T4351] FAULT_INJECTION: forcing a failure.
[  422.115090][ T4351] name failslab, interval 1, probability 0, space 0, times 0
[  422.117636][ T4351] CPU: 1 PID: 4351 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  422.119787][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  422.121688][ T4351] Call trace:
[  422.122358][ T4351]  dump_backtrace+0x1c8/0x1f4
[  422.123280][ T4351]  show_stack+0x2c/0x3c
[  422.124272][ T4351]  dump_stack_lvl+0xc0/0x104
[  422.125273][ T4351]  dump_stack+0x1c/0x4c
[  422.126256][ T4351]  should_fail_ex+0x1bc/0x1e0
[  422.127149][ T4351]  __should_failslab+0x64/0x78
[  422.128103][ T4351]  should_failslab+0x10/0x28
[  422.128950][ T4351]  slab_pre_alloc_hook+0x54/0x1f4
[  422.129976][ T4351]  kmem_cache_alloc_lru+0x60/0x2ac
[  422.131051][ T4351]  alloc_inode+0x7c/0x104
[  422.132013][ T4351]  new_inode+0x2c/0xc0
[  422.132897][ T4351]  debugfs_create_dir+0x98/0x1e0
[  422.133963][ T4351]  nbd_start_device+0x1b4/0x510
[  422.135155][ T4351]  nbd_ioctl+0x228/0x66c
[  422.136010][ T4351]  blkdev_ioctl+0x218/0x664
[  422.136968][ T4351]  __arm64_sys_ioctl+0xd0/0x148
[  422.137983][ T4351]  invoke_syscall+0x64/0x174
[  422.139073][ T4351]  el0_svc_common+0xb8/0x174
[  422.140077][ T4351]  do_el0_svc+0x3c/0xec
[  422.141001][ T4351]  el0_svc+0x34/0x110
[  422.141732][ T4351]  el0t_64_sync_handler+0x84/0xf0
[  422.142855][ T4351]  el0t_64_sync+0x18c/0x190
[  422.143834][ T4351] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.145618][ T4351] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.273981][ T4351] block nbd0: shutting down sockets
[  422.415072][ T4354] ------------[ cut here ]------------
[  422.416239][ T4354] kernfs: can not remove 'nr_tags', no directory
[  422.417616][ T4354] WARNING: CPU: 0 PID: 4354 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  422.419613][ T4354] Modules linked in:
[  422.420445][ T4354] CPU: 0 PID: 4354 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  422.422512][ T4354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  422.424657][ T4354] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  422.426328][ T4354] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  422.427624][ T4354] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  422.429163][ T4354] sp : ffff80000df5bac0
[  422.430009][ T4354] x29: ffff80000df5bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  422.431718][ T4354] x26: ffff0000c62b9908 x25: ffff80000df5bbe8 x24: ffff0001ffa2ef80
[  422.433310][ T4354] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  422.434899][ T4354] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  422.436481][ T4354] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  422.438155][ T4354] x14: 0000000000000000 x13: 205d343533345420 x12: ffff80000d1c6000
[  422.439952][ T4354] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2dd4a53dd171db00
[  422.441751][ T4354] x8 : 2dd4a53dd171db00 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  422.443522][ T4354] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  422.445204][ T4354] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  422.446873][ T4354] Call trace:
[  422.447609][ T4354]  kernfs_remove_by_name_ns+0xb4/0x110
[  422.448786][ T4354]  sysfs_remove_group+0x68/0x160
[  422.449843][ T4354]  sysfs_remove_groups+0x3c/0x78
[  422.451140][ T4354]  __kobject_del+0x34/0x134
[  422.452279][ T4354]  kobject_del+0x2c/0x4c
[  422.453128][ T4354]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  422.454280][ T4354]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  422.455498][ T4354]  nbd_start_device+0xc4/0x510
[  422.456545][ T4354]  nbd_ioctl+0x228/0x66c
[  422.457400][ T4354]  blkdev_ioctl+0x218/0x664
[  422.458417][ T4354]  __arm64_sys_ioctl+0xd0/0x148
[  422.459602][ T4354]  invoke_syscall+0x64/0x174
[  422.460614][ T4354]  el0_svc_common+0xb8/0x174
[  422.461678][ T4354]  do_el0_svc+0x3c/0xec
[  422.462576][ T4354]  el0_svc+0x34/0x110
[  422.463430][ T4354]  el0t_64_sync_handler+0x84/0xf0
[  422.464652][ T4354]  el0t_64_sync+0x18c/0x190
[  422.465688][ T4354] ---[ end trace 0000000000000000 ]---
[  422.466957][ T4354] ------------[ cut here ]------------
[  422.468065][ T4354] kernfs: can not remove 'nr_reserved_tags', no directory
[  422.469429][ T4354] WARNING: CPU: 0 PID: 4354 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  422.471421][ T4354] Modules linked in:
[  422.472179][ T4354] CPU: 0 PID: 4354 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  422.474334][ T4354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  422.476561][ T4354] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  422.478262][ T4354] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  422.479512][ T4354] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  422.480690][ T4354] sp : ffff80000df5bac0
[  422.481477][ T4354] x29: ffff80000df5bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  422.483289][ T4354] x26: ffff0000c62b9908 x25: ffff80000df5bbe8 x24: ffff0001ffa2ef80
[  422.484992][ T4354] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  422.486705][ T4354] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  422.488390][ T4354] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  422.490223][ T4354] x14: 0000000000000000 x13: 205d343533345420 x12: ffff80000d1c6000
[  422.491886][ T4354] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2dd4a53dd171db00
[  422.493495][ T4354] x8 : 2dd4a53dd171db00 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  422.495357][ T4354] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  422.497113][ T4354] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  422.498880][ T4354] Call trace:
[  422.499481][ T4354]  kernfs_remove_by_name_ns+0xb4/0x110
[  422.500611][ T4354]  sysfs_remove_group+0x68/0x160
[  422.501646][ T4354]  sysfs_remove_groups+0x3c/0x78
[  422.502721][ T4354]  __kobject_del+0x34/0x134
[  422.503763][ T4354]  kobject_del+0x2c/0x4c
[  422.504711][ T4354]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  422.505961][ T4354]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  422.507186][ T4354]  nbd_start_device+0xc4/0x510
[  422.508193][ T4354]  nbd_ioctl+0x228/0x66c
[  422.509045][ T4354]  blkdev_ioctl+0x218/0x664
[  422.510109][ T4354]  __arm64_sys_ioctl+0xd0/0x148
[  422.511204][ T4354]  invoke_syscall+0x64/0x174
[  422.512080][ T4354]  el0_svc_common+0xb8/0x174
[  422.513049][ T4354]  do_el0_svc+0x3c/0xec
[  422.513990][ T4354]  el0_svc+0x34/0x110
[  422.514809][ T4354]  el0t_64_sync_handler+0x84/0xf0
[  422.515809][ T4354]  el0t_64_sync+0x18c/0x190
[  422.516898][ T4354] ---[ end trace 0000000000000000 ]---
[  422.518025][ T4354] ------------[ cut here ]------------
[  422.519114][ T4354] kernfs: can not remove 'cpu_list', no directory
[  422.520456][ T4354] WARNING: CPU: 0 PID: 4354 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  422.522567][ T4354] Modules linked in:
[  422.523318][ T4354] CPU: 0 PID: 4354 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  422.525284][ T4354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  422.527481][ T4354] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  422.529126][ T4354] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  422.530457][ T4354] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  422.531677][ T4354] sp : ffff80000df5bac0
[  422.532538][ T4354] x29: ffff80000df5bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  422.534137][ T4354] x26: ffff0000c62b9908 x25: ffff80000df5bbe8 x24: ffff0001ffa2ef80
[  422.535788][ T4354] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  422.537579][ T4354] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  422.539389][ T4354] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  422.541075][ T4354] x14: 0000000000000000 x13: 205d343533345420 x12: ffff80000d1c6000
[  422.542787][ T4354] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2dd4a53dd171db00
[  422.544547][ T4354] x8 : 2dd4a53dd171db00 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  422.546208][ T4354] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  422.547927][ T4354] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  422.549745][ T4354] Call trace:
[  422.550447][ T4354]  kernfs_remove_by_name_ns+0xb4/0x110
[  422.551571][ T4354]  sysfs_remove_group+0x68/0x160
[  422.552541][ T4354]  sysfs_remove_groups+0x3c/0x78
[  422.553530][ T4354]  __kobject_del+0x34/0x134
[  422.554477][ T4354]  kobject_del+0x2c/0x4c
[  422.555445][ T4354]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  422.556641][ T4354]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  422.557797][ T4354]  nbd_start_device+0xc4/0x510
[  422.558752][ T4354]  nbd_ioctl+0x228/0x66c
[  422.559597][ T4354]  blkdev_ioctl+0x218/0x664
[  422.560530][ T4354]  __arm64_sys_ioctl+0xd0/0x148
[  422.561546][ T4354]  invoke_syscall+0x64/0x174
[  422.562630][ T4354]  el0_svc_common+0xb8/0x174
[  422.563544][ T4354]  do_el0_svc+0x3c/0xec
[  422.564529][ T4354]  el0_svc+0x34/0x110
[  422.565355][ T4354]  el0t_64_sync_handler+0x84/0xf0
[  422.566291][ T4354]  el0t_64_sync+0x18c/0x190
[  422.567149][ T4354] ---[ end trace 0000000000000000 ]---
[  422.570538][ T4354] block nbd0: shutting down sockets
[  422.643653][ T4356] FAULT_INJECTION: forcing a failure.
[  422.643653][ T4356] name failslab, interval 1, probability 0, space 0, times 0
[  422.646419][ T4356] CPU: 0 PID: 4356 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  422.648439][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  422.650554][ T4356] Call trace:
[  422.651267][ T4356]  dump_backtrace+0x1c8/0x1f4
[  422.652290][ T4356]  show_stack+0x2c/0x3c
[  422.653279][ T4356]  dump_stack_lvl+0xc0/0x104
[  422.654276][ T4356]  dump_stack+0x1c/0x4c
[  422.655124][ T4356]  should_fail_ex+0x1bc/0x1e0
[  422.656102][ T4356]  __should_failslab+0x64/0x78
[  422.657198][ T4356]  should_failslab+0x10/0x28
[  422.658228][ T4356]  slab_pre_alloc_hook+0x54/0x1f4
[  422.659306][ T4356]  kmem_cache_alloc_lru+0x60/0x2ac
[  422.660297][ T4356]  alloc_inode+0x7c/0x104
[  422.661241][ T4356]  new_inode+0x2c/0xc0
[  422.661961][ T4356]  debugfs_create_dir+0x98/0x1e0
[  422.662898][ T4356]  nbd_start_device+0x1b4/0x510
[  422.663830][ T4356]  nbd_ioctl+0x228/0x66c
[  422.664665][ T4356]  blkdev_ioctl+0x218/0x664
[  422.665629][ T4356]  __arm64_sys_ioctl+0xd0/0x148
[  422.666668][ T4356]  invoke_syscall+0x64/0x174
[  422.668444][ T4356]  el0_svc_common+0xb8/0x174
[  422.670268][ T4356]  do_el0_svc+0x3c/0xec
[  422.671164][ T4356]  el0_svc+0x34/0x110
[  422.671955][ T4356]  el0t_64_sync_handler+0x84/0xf0
[  422.673085][ T4356]  el0t_64_sync+0x18c/0x190
[  422.674152][ T4356] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.675749][ T4356] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.802359][ T4356] block nbd0: shutting down sockets
[  422.903552][ T4359] FAULT_INJECTION: forcing a failure.
[  422.903552][ T4359] name failslab, interval 1, probability 0, space 0, times 0
[  422.906402][ T4359] CPU: 0 PID: 4359 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  422.908572][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  422.910699][ T4359] Call trace:
[  422.911356][ T4359]  dump_backtrace+0x1c8/0x1f4
[  422.912324][ T4359]  show_stack+0x2c/0x3c
[  422.913153][ T4359]  dump_stack_lvl+0xc0/0x104
[  422.914220][ T4359]  dump_stack+0x1c/0x4c
[  422.915228][ T4359]  should_fail_ex+0x1bc/0x1e0
[  422.916262][ T4359]  __should_failslab+0x64/0x78
[  422.917267][ T4359]  should_failslab+0x10/0x28
[  422.918194][ T4359]  slab_pre_alloc_hook+0x54/0x1f4
[  422.919193][ T4359]  kmem_cache_alloc_lru+0x60/0x2ac
[  422.920386][ T4359]  alloc_inode+0x7c/0x104
[  422.921306][ T4359]  new_inode+0x2c/0xc0
[  422.922248][ T4359]  debugfs_create_dir+0x98/0x1e0
[  422.923355][ T4359]  nbd_start_device+0x1b4/0x510
[  422.924483][ T4359]  nbd_ioctl+0x228/0x66c
[  422.925349][ T4359]  blkdev_ioctl+0x218/0x664
[  422.926287][ T4359]  __arm64_sys_ioctl+0xd0/0x148
[  422.927291][ T4359]  invoke_syscall+0x64/0x174
[  422.928339][ T4359]  el0_svc_common+0xb8/0x174
[  422.929327][ T4359]  do_el0_svc+0x3c/0xec
[  422.930101][ T4359]  el0_svc+0x34/0x110
[  422.931021][ T4359]  el0t_64_sync_handler+0x84/0xf0
[  422.932110][ T4359]  el0t_64_sync+0x18c/0x190
[  422.933089][ T4359] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.934749][ T4359] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.054582][ T4359] block nbd0: shutting down sockets
[  423.123673][ T4361] FAULT_INJECTION: forcing a failure.
[  423.123673][ T4361] name failslab, interval 1, probability 0, space 0, times 0
[  423.126700][ T4361] CPU: 0 PID: 4361 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  423.128578][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  423.130705][ T4361] Call trace:
[  423.131427][ T4361]  dump_backtrace+0x1c8/0x1f4
[  423.132323][ T4361]  show_stack+0x2c/0x3c
[  423.133244][ T4361]  dump_stack_lvl+0xc0/0x104
[  423.134264][ T4361]  dump_stack+0x1c/0x4c
[  423.135192][ T4361]  should_fail_ex+0x1bc/0x1e0
[  423.136210][ T4361]  __should_failslab+0x64/0x78
[  423.137330][ T4361]  should_failslab+0x10/0x28
[  423.138298][ T4361]  slab_pre_alloc_hook+0x54/0x1f4
[  423.139454][ T4361]  kmem_cache_alloc_lru+0x60/0x2ac
[  423.140464][ T4361]  alloc_inode+0x7c/0x104
[  423.141380][ T4361]  new_inode+0x2c/0xc0
[  423.142383][ T4361]  debugfs_create_dir+0x98/0x1e0
[  423.143420][ T4361]  nbd_start_device+0x1b4/0x510
[  423.144409][ T4361]  nbd_ioctl+0x228/0x66c
[  423.145452][ T4361]  blkdev_ioctl+0x218/0x664
[  423.146403][ T4361]  __arm64_sys_ioctl+0xd0/0x148
[  423.147448][ T4361]  invoke_syscall+0x64/0x174
[  423.148353][ T4361]  el0_svc_common+0xb8/0x174
[  423.149505][ T4361]  do_el0_svc+0x3c/0xec
[  423.150409][ T4361]  el0_svc+0x34/0x110
[  423.151339][ T4361]  el0t_64_sync_handler+0x84/0xf0
[  423.152486][ T4361]  el0t_64_sync+0x18c/0x190
[  423.153535][ T4361] debugfs: out of free dentries, can not create directory 'nbd0'
[  423.155343][ T4361] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.282401][ T4361] block nbd0: shutting down sockets
[  423.403409][ T4364] block nbd0: Device being setup by another task
[  423.445441][ T4363] FAULT_INJECTION: forcing a failure.
[  423.445441][ T4363] name failslab, interval 1, probability 0, space 0, times 0
[  423.448393][ T4363] CPU: 0 PID: 4363 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  423.450560][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  423.452778][ T4363] Call trace:
[  423.453446][ T4363]  dump_backtrace+0x1c8/0x1f4
[  423.454406][ T4363]  show_stack+0x2c/0x3c
[  423.455218][ T4363]  dump_stack_lvl+0xc0/0x104
[  423.456194][ T4363]  dump_stack+0x1c/0x4c
[  423.457041][ T4363]  should_fail_ex+0x1bc/0x1e0
[  423.457968][ T4363]  __should_failslab+0x64/0x78
[  423.458993][ T4363]  should_failslab+0x10/0x28
[  423.459955][ T4363]  __kmem_cache_alloc_node+0x6c/0x348
[  423.461075][ T4363]  __kmalloc_node_track_caller+0x84/0xc0
[  423.462250][ T4363]  kstrdup_const+0x90/0xdc
[  423.463106][ T4363]  __kernfs_new_node+0x5c/0x2e8
[  423.464131][ T4363]  kernfs_create_dir_ns+0xac/0x188
[  423.465286][ T4363]  sysfs_create_dir_ns+0x8c/0x168
[  423.466450][ T4363]  kobject_add_internal+0x314/0x64c
[  423.467524][ T4363]  kobject_add+0xb8/0x130
[  423.468526][ T4363]  blk_mq_register_hctx+0x54/0x184
[  423.469767][ T4363]  blk_mq_sysfs_register_hctxs+0x80/0x110
[  423.471001][ T4363]  blk_mq_update_nr_hw_queues+0x4d0/0x6c8
[  423.472258][ T4363]  nbd_start_device+0xc4/0x510
[  423.473226][ T4363]  nbd_ioctl+0x228/0x66c
[  423.474095][ T4363]  blkdev_ioctl+0x218/0x664
[  423.474947][ T4363]  __arm64_sys_ioctl+0xd0/0x148
[  423.475925][ T4363]  invoke_syscall+0x64/0x174
[  423.476916][ T4363]  el0_svc_common+0xb8/0x174
[  423.478064][ T4363]  do_el0_svc+0x3c/0xec
[  423.479006][ T4363]  el0_svc+0x34/0x110
[  423.479866][ T4363]  el0t_64_sync_handler+0x84/0xf0
[  423.481003][ T4363]  el0t_64_sync+0x18c/0x190
[  423.482068][ T4363] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  423.554804][ T4363] block nbd0: shutting down sockets
[  423.685436][ T4366] ------------[ cut here ]------------
[  423.686599][ T4366] kernfs: can not remove 'nr_tags', no directory
[  423.687995][ T4366] WARNING: CPU: 1 PID: 4366 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  423.690060][ T4366] Modules linked in:
[  423.690842][ T4366] CPU: 1 PID: 4366 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  423.692854][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  423.694983][ T4366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  423.696685][ T4366] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  423.697859][ T4366] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  423.699083][ T4366] sp : ffff80000de9bac0
[  423.700033][ T4366] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  423.701795][ T4366] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffa42000
[  423.703396][ T4366] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  423.705099][ T4366] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  423.706793][ T4366] x17: ffff80000d402688 x16: 0000000000001178 x15: 0000000000000000
[  423.708588][ T4366] x14: 0000000000000000 x13: 205d363633345420 x12: ffff80000d1c6000
[  423.710309][ T4366] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c000909c8845d000
[  423.712093][ T4366] x8 : c000909c8845d000 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  423.713795][ T4366] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  423.715478][ T4366] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  423.717218][ T4366] Call trace:
[  423.717882][ T4366]  kernfs_remove_by_name_ns+0xb4/0x110
[  423.718947][ T4366]  sysfs_remove_group+0x68/0x160
[  423.720049][ T4366]  sysfs_remove_groups+0x3c/0x78
[  423.721064][ T4366]  __kobject_del+0x34/0x134
[  423.722081][ T4366]  kobject_del+0x2c/0x4c
[  423.722948][ T4366]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  423.724184][ T4366]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  423.725418][ T4366]  nbd_start_device+0xc4/0x510
[  423.726352][ T4366]  nbd_ioctl+0x228/0x66c
[  423.727186][ T4366]  blkdev_ioctl+0x218/0x664
[  423.728104][ T4366]  __arm64_sys_ioctl+0xd0/0x148
[  423.729142][ T4366]  invoke_syscall+0x64/0x174
[  423.730094][ T4366]  el0_svc_common+0xb8/0x174
[  423.731094][ T4366]  do_el0_svc+0x3c/0xec
[  423.731944][ T4366]  el0_svc+0x34/0x110
[  423.732886][ T4366]  el0t_64_sync_handler+0x84/0xf0
[  423.733904][ T4366]  el0t_64_sync+0x18c/0x190
[  423.734811][ T4366] ---[ end trace 0000000000000000 ]---
[  423.736086][ T4366] ------------[ cut here ]------------
[  423.737212][ T4366] kernfs: can not remove 'nr_reserved_tags', no directory
[  423.738804][ T4366] WARNING: CPU: 1 PID: 4366 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  423.740832][ T4366] Modules linked in:
[  423.741705][ T4366] CPU: 1 PID: 4366 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  423.743904][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  423.746222][ T4366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  423.748012][ T4366] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  423.749360][ T4366] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  423.750583][ T4366] sp : ffff80000de9bac0
[  423.751510][ T4366] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  423.753178][ T4366] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffa42000
[  423.755030][ T4366] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  423.756713][ T4366] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  423.758469][ T4366] x17: ffff80000d402688 x16: 0000000000001178 x15: 0000000000000000
[  423.760047][ T4366] x14: 0000000000000000 x13: 205d363633345420 x12: ffff80000d1c6000
[  423.761805][ T4366] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c000909c8845d000
[  423.763415][ T4366] x8 : c000909c8845d000 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  423.765076][ T4366] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  423.766867][ T4366] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  423.768655][ T4366] Call trace:
[  423.769326][ T4366]  kernfs_remove_by_name_ns+0xb4/0x110
[  423.770369][ T4366]  sysfs_remove_group+0x68/0x160
[  423.771471][ T4366]  sysfs_remove_groups+0x3c/0x78
[  423.772487][ T4366]  __kobject_del+0x34/0x134
[  423.773441][ T4366]  kobject_del+0x2c/0x4c
[  423.774360][ T4366]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  423.775631][ T4366]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  423.776979][ T4366]  nbd_start_device+0xc4/0x510
[  423.778038][ T4366]  nbd_ioctl+0x228/0x66c
[  423.779046][ T4366]  blkdev_ioctl+0x218/0x664
[  423.779994][ T4366]  __arm64_sys_ioctl+0xd0/0x148
[  423.780954][ T4366]  invoke_syscall+0x64/0x174
[  423.781950][ T4366]  el0_svc_common+0xb8/0x174
[  423.782952][ T4366]  do_el0_svc+0x3c/0xec
[  423.783806][ T4366]  el0_svc+0x34/0x110
[  423.784793][ T4366]  el0t_64_sync_handler+0x84/0xf0
[  423.785930][ T4366]  el0t_64_sync+0x18c/0x190
[  423.786929][ T4366] ---[ end trace 0000000000000000 ]---
[  423.788183][ T4366] ------------[ cut here ]------------
[  423.789253][ T4366] kernfs: can not remove 'cpu_list', no directory
[  423.790676][ T4366] WARNING: CPU: 1 PID: 4366 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  423.792702][ T4366] Modules linked in:
[  423.793538][ T4366] CPU: 1 PID: 4366 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  423.795957][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  423.798485][ T4366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  423.800237][ T4366] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  423.801479][ T4366] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  423.802680][ T4366] sp : ffff80000de9bac0
[  423.803468][ T4366] x29: ffff80000de9bac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  423.805250][ T4366] x26: ffff0000c62b9908 x25: ffff80000de9bbe8 x24: ffff0001ffa42000
[  423.807008][ T4366] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  423.808683][ T4366] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  423.810324][ T4366] x17: ffff80000d402688 x16: 0000000000001178 x15: 0000000000000000
[  423.811914][ T4366] x14: 0000000000000000 x13: 205d363633345420 x12: ffff80000d1c6000
[  423.813600][ T4366] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c000909c8845d000
[  423.815232][ T4366] x8 : c000909c8845d000 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  423.817065][ T4366] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  423.818837][ T4366] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  423.820378][ T4366] Call trace:
[  423.821094][ T4366]  kernfs_remove_by_name_ns+0xb4/0x110
[  423.822367][ T4366]  sysfs_remove_group+0x68/0x160
[  423.823326][ T4366]  sysfs_remove_groups+0x3c/0x78
[  423.824383][ T4366]  __kobject_del+0x34/0x134
[  423.825369][ T4366]  kobject_del+0x2c/0x4c
[  423.826301][ T4366]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  423.827583][ T4366]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  423.828730][ T4366]  nbd_start_device+0xc4/0x510
[  423.829836][ T4366]  nbd_ioctl+0x228/0x66c
[  423.830749][ T4366]  blkdev_ioctl+0x218/0x664
[  423.831763][ T4366]  __arm64_sys_ioctl+0xd0/0x148
[  423.832753][ T4366]  invoke_syscall+0x64/0x174
[  423.833729][ T4366]  el0_svc_common+0xb8/0x174
[  423.834706][ T4366]  do_el0_svc+0x3c/0xec
[  423.835642][ T4366]  el0_svc+0x34/0x110
[  423.836469][ T4366]  el0t_64_sync_handler+0x84/0xf0
[  423.837530][ T4366]  el0t_64_sync+0x18c/0x190
[  423.838446][ T4366] ---[ end trace 0000000000000000 ]---
[  423.844948][ T4366] block nbd0: shutting down sockets
[  423.923674][ T4368] FAULT_INJECTION: forcing a failure.
[  423.923674][ T4368] name failslab, interval 1, probability 0, space 0, times 0
[  423.927330][ T4368] CPU: 1 PID: 4368 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  423.929744][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  423.932537][ T4368] Call trace:
[  423.933296][ T4368]  dump_backtrace+0x1c8/0x1f4
[  423.934453][ T4368]  show_stack+0x2c/0x3c
[  423.935220][ T4368]  dump_stack_lvl+0xc0/0x104
[  423.936282][ T4368]  dump_stack+0x1c/0x4c
[  423.937379][ T4368]  should_fail_ex+0x1bc/0x1e0
[  423.938281][ T4368]  __should_failslab+0x64/0x78
[  423.939375][ T4368]  should_failslab+0x10/0x28
[  423.940422][ T4368]  slab_pre_alloc_hook+0x54/0x1f4
[  423.941561][ T4368]  kmem_cache_alloc_lru+0x60/0x2ac
[  423.942718][ T4368]  __d_alloc+0x3c/0x290
[  423.943533][ T4368]  d_alloc_parallel+0x58/0x914
[  423.944545][ T4368]  __lookup_slow+0x8c/0x204
[  423.945467][ T4368]  lookup_one_len+0xd4/0x188
[  423.946401][ T4368]  start_creating+0x124/0x1f4
[  423.947384][ T4368]  debugfs_create_dir+0x2c/0x1e0
[  423.948457][ T4368]  nbd_start_device+0x1b4/0x510
[  423.949486][ T4368]  nbd_ioctl+0x228/0x66c
[  423.950405][ T4368]  blkdev_ioctl+0x218/0x664
[  423.951395][ T4368]  __arm64_sys_ioctl+0xd0/0x148
[  423.952337][ T4368]  invoke_syscall+0x64/0x174
[  423.953299][ T4368]  el0_svc_common+0xb8/0x174
[  423.954323][ T4368]  do_el0_svc+0x3c/0xec
[  423.955200][ T4368]  el0_svc+0x34/0x110
[  423.956084][ T4368]  el0t_64_sync_handler+0x84/0xf0
[  423.957304][ T4368]  el0t_64_sync+0x18c/0x190
[  423.958298][ T4368] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.082774][ T4368] block nbd0: shutting down sockets
[  424.153671][ T4370] FAULT_INJECTION: forcing a failure.
[  424.153671][ T4370] name failslab, interval 1, probability 0, space 0, times 0
[  424.156177][ T4370] CPU: 1 PID: 4370 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  424.158322][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  424.160412][ T4370] Call trace:
[  424.161053][ T4370]  dump_backtrace+0x1c8/0x1f4
[  424.162083][ T4370]  show_stack+0x2c/0x3c
[  424.162930][ T4370]  dump_stack_lvl+0xc0/0x104
[  424.163908][ T4370]  dump_stack+0x1c/0x4c
[  424.164699][ T4370]  should_fail_ex+0x1bc/0x1e0
[  424.165634][ T4370]  __should_failslab+0x64/0x78
[  424.166678][ T4370]  should_failslab+0x10/0x28
[  424.167629][ T4370]  slab_pre_alloc_hook+0x54/0x1f4
[  424.168698][ T4370]  kmem_cache_alloc_lru+0x60/0x2ac
[  424.169778][ T4370]  __d_alloc+0x3c/0x290
[  424.170747][ T4370]  d_alloc_parallel+0x58/0x914
[  424.171706][ T4370]  __lookup_slow+0x8c/0x204
[  424.172657][ T4370]  lookup_one_len+0xd4/0x188
[  424.173676][ T4370]  start_creating+0x124/0x1f4
[  424.174637][ T4370]  debugfs_create_dir+0x2c/0x1e0
[  424.175621][ T4370]  nbd_start_device+0x1b4/0x510
[  424.176662][ T4370]  nbd_ioctl+0x228/0x66c
[  424.177513][ T4370]  blkdev_ioctl+0x218/0x664
[  424.178439][ T4370]  __arm64_sys_ioctl+0xd0/0x148
[  424.179223][ T4370]  invoke_syscall+0x64/0x174
[  424.179973][ T4370]  el0_svc_common+0xb8/0x174
[  424.180724][ T4370]  do_el0_svc+0x3c/0xec
[  424.181403][ T4370]  el0_svc+0x34/0x110
[  424.182048][ T4370]  el0t_64_sync_handler+0x84/0xf0
[  424.182862][ T4370]  el0t_64_sync+0x18c/0x190
[  424.183640][ T4370] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.313112][ T4370] block nbd0: shutting down sockets
[  424.403460][ T4373] FAULT_INJECTION: forcing a failure.
[  424.403460][ T4373] name failslab, interval 1, probability 0, space 0, times 0
[  424.406164][ T4373] CPU: 0 PID: 4373 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  424.408033][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  424.410039][ T4373] Call trace:
[  424.410685][ T4373]  dump_backtrace+0x1c8/0x1f4
[  424.411667][ T4373]  show_stack+0x2c/0x3c
[  424.412561][ T4373]  dump_stack_lvl+0xc0/0x104
[  424.413509][ T4373]  dump_stack+0x1c/0x4c
[  424.414371][ T4373]  should_fail_ex+0x1bc/0x1e0
[  424.415228][ T4373]  __should_failslab+0x64/0x78
[  424.416168][ T4373]  should_failslab+0x10/0x28
[  424.417165][ T4373]  slab_pre_alloc_hook+0x54/0x1f4
[  424.418228][ T4373]  kmem_cache_alloc_lru+0x60/0x2ac
[  424.419260][ T4373]  __d_alloc+0x3c/0x290
[  424.420103][ T4373]  d_alloc_parallel+0x58/0x914
[  424.420989][ T4373]  __lookup_slow+0x8c/0x204
[  424.421894][ T4373]  lookup_one_len+0xd4/0x188
[  424.422819][ T4373]  start_creating+0x124/0x1f4
[  424.423748][ T4373]  debugfs_create_dir+0x2c/0x1e0
[  424.424721][ T4373]  nbd_start_device+0x1b4/0x510
[  424.425736][ T4373]  nbd_ioctl+0x228/0x66c
[  424.426606][ T4373]  blkdev_ioctl+0x218/0x664
[  424.427546][ T4373]  __arm64_sys_ioctl+0xd0/0x148
[  424.428494][ T4373]  invoke_syscall+0x64/0x174
[  424.429455][ T4373]  el0_svc_common+0xb8/0x174
[  424.430400][ T4373]  do_el0_svc+0x3c/0xec
[  424.431279][ T4373]  el0_svc+0x34/0x110
[  424.432141][ T4373]  el0t_64_sync_handler+0x84/0xf0
[  424.433169][ T4373]  el0t_64_sync+0x18c/0x190
[  424.434139][ T4373] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.552565][ T4373] block nbd0: shutting down sockets
[  424.633675][ T4375] FAULT_INJECTION: forcing a failure.
[  424.633675][ T4375] name failslab, interval 1, probability 0, space 0, times 0
[  424.636241][ T4375] CPU: 1 PID: 4375 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  424.638247][ T4375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  424.640580][ T4375] Call trace:
[  424.641287][ T4375]  dump_backtrace+0x1c8/0x1f4
[  424.642198][ T4375]  show_stack+0x2c/0x3c
[  424.643126][ T4375]  dump_stack_lvl+0xc0/0x104
[  424.644076][ T4375]  dump_stack+0x1c/0x4c
[  424.644947][ T4375]  should_fail_ex+0x1bc/0x1e0
[  424.645848][ T4375]  __should_failslab+0x64/0x78
[  424.646852][ T4375]  should_failslab+0x10/0x28
[  424.647838][ T4375]  slab_pre_alloc_hook+0x54/0x1f4
[  424.648957][ T4375]  kmem_cache_alloc_lru+0x60/0x2ac
[  424.649985][ T4375]  __d_alloc+0x3c/0x290
[  424.650899][ T4375]  d_alloc_parallel+0x58/0x914
[  424.651926][ T4375]  __lookup_slow+0x8c/0x204
[  424.652900][ T4375]  lookup_one_len+0xd4/0x188
[  424.653917][ T4375]  start_creating+0x124/0x1f4
[  424.654913][ T4375]  debugfs_create_dir+0x2c/0x1e0
[  424.655867][ T4375]  nbd_start_device+0x1b4/0x510
[  424.656856][ T4375]  nbd_ioctl+0x228/0x66c
[  424.657713][ T4375]  blkdev_ioctl+0x218/0x664
[  424.658633][ T4375]  __arm64_sys_ioctl+0xd0/0x148
[  424.659686][ T4375]  invoke_syscall+0x64/0x174
[  424.660625][ T4375]  el0_svc_common+0xb8/0x174
[  424.661619][ T4375]  do_el0_svc+0x3c/0xec
[  424.662517][ T4375]  el0_svc+0x34/0x110
[  424.663320][ T4375]  el0t_64_sync_handler+0x84/0xf0
[  424.664372][ T4375]  el0t_64_sync+0x18c/0x190
[  424.665595][ T4375] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.792777][ T4375] block nbd0: shutting down sockets
[  424.873681][ T4377] FAULT_INJECTION: forcing a failure.
[  424.873681][ T4377] name failslab, interval 1, probability 0, space 0, times 0
[  424.876329][ T4377] CPU: 0 PID: 4377 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  424.878324][ T4377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  424.880530][ T4377] Call trace:
[  424.881148][ T4377]  dump_backtrace+0x1c8/0x1f4
[  424.882167][ T4377]  show_stack+0x2c/0x3c
[  424.883056][ T4377]  dump_stack_lvl+0xc0/0x104
[  424.883954][ T4377]  dump_stack+0x1c/0x4c
[  424.884800][ T4377]  should_fail_ex+0x1bc/0x1e0
[  424.885933][ T4377]  __should_failslab+0x64/0x78
[  424.886974][ T4377]  should_failslab+0x10/0x28
[  424.887870][ T4377]  slab_pre_alloc_hook+0x54/0x1f4
[  424.889016][ T4377]  kmem_cache_alloc_lru+0x60/0x2ac
[  424.890139][ T4377]  __d_alloc+0x3c/0x290
[  424.891065][ T4377]  d_alloc_parallel+0x58/0x914
[  424.892073][ T4377]  __lookup_slow+0x8c/0x204
[  424.893112][ T4377]  lookup_one_len+0xd4/0x188
[  424.894008][ T4377]  start_creating+0x124/0x1f4
[  424.895091][ T4377]  debugfs_create_dir+0x2c/0x1e0
[  424.896213][ T4377]  nbd_start_device+0x1b4/0x510
[  424.897235][ T4377]  nbd_ioctl+0x228/0x66c
[  424.898208][ T4377]  blkdev_ioctl+0x218/0x664
[  424.899154][ T4377]  __arm64_sys_ioctl+0xd0/0x148
[  424.900180][ T4377]  invoke_syscall+0x64/0x174
[  424.901210][ T4377]  el0_svc_common+0xb8/0x174
[  424.902181][ T4377]  do_el0_svc+0x3c/0xec
[  424.903103][ T4377]  el0_svc+0x34/0x110
[  424.903879][ T4377]  el0t_64_sync_handler+0x84/0xf0
[  424.904882][ T4377]  el0t_64_sync+0x18c/0x190
[  424.905869][ T4377] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.032179][ T4377] block nbd0: shutting down sockets
[  425.113627][ T4379] FAULT_INJECTION: forcing a failure.
[  425.113627][ T4379] name failslab, interval 1, probability 0, space 0, times 0
[  425.116228][ T4379] CPU: 1 PID: 4379 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  425.118061][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  425.120011][ T4379] Call trace:
[  425.120699][ T4379]  dump_backtrace+0x1c8/0x1f4
[  425.121594][ T4379]  show_stack+0x2c/0x3c
[  425.122436][ T4379]  dump_stack_lvl+0xc0/0x104
[  425.123330][ T4379]  dump_stack+0x1c/0x4c
[  425.124249][ T4379]  should_fail_ex+0x1bc/0x1e0
[  425.125178][ T4379]  __should_failslab+0x64/0x78
[  425.126214][ T4379]  should_failslab+0x10/0x28
[  425.127154][ T4379]  slab_pre_alloc_hook+0x54/0x1f4
[  425.128152][ T4379]  kmem_cache_alloc_lru+0x60/0x2ac
[  425.129190][ T4379]  __d_alloc+0x3c/0x290
[  425.130023][ T4379]  d_alloc_parallel+0x58/0x914
[  425.130995][ T4379]  __lookup_slow+0x8c/0x204
[  425.131874][ T4379]  lookup_one_len+0xd4/0x188
[  425.132747][ T4379]  start_creating+0x124/0x1f4
[  425.133669][ T4379]  debugfs_create_dir+0x2c/0x1e0
[  425.134616][ T4379]  nbd_start_device+0x1b4/0x510
[  425.135594][ T4379]  nbd_ioctl+0x228/0x66c
[  425.136458][ T4379]  blkdev_ioctl+0x218/0x664
[  425.137355][ T4379]  __arm64_sys_ioctl+0xd0/0x148
[  425.138307][ T4379]  invoke_syscall+0x64/0x174
[  425.139389][ T4379]  el0_svc_common+0xb8/0x174
[  425.140386][ T4379]  do_el0_svc+0x3c/0xec
[  425.141293][ T4379]  el0_svc+0x34/0x110
[  425.142183][ T4379]  el0t_64_sync_handler+0x84/0xf0
[  425.143277][ T4379]  el0t_64_sync+0x18c/0x190
[  425.144297][ T4379] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.272524][ T4379] block nbd0: shutting down sockets
[  425.353655][ T4381] FAULT_INJECTION: forcing a failure.
[  425.353655][ T4381] name failslab, interval 1, probability 0, space 0, times 0
[  425.356524][ T4381] CPU: 1 PID: 4381 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  425.358630][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  425.360625][ T4381] Call trace:
[  425.361391][ T4381]  dump_backtrace+0x1c8/0x1f4
[  425.362396][ T4381]  show_stack+0x2c/0x3c
[  425.363195][ T4381]  dump_stack_lvl+0xc0/0x104
[  425.364338][ T4381]  dump_stack+0x1c/0x4c
[  425.365242][ T4381]  should_fail_ex+0x1bc/0x1e0
[  425.366236][ T4381]  __should_failslab+0x64/0x78
[  425.367137][ T4381]  should_failslab+0x10/0x28
[  425.368184][ T4381]  slab_pre_alloc_hook+0x54/0x1f4
[  425.369299][ T4381]  kmem_cache_alloc_lru+0x60/0x2ac
[  425.370310][ T4381]  __d_alloc+0x3c/0x290
[  425.371271][ T4381]  d_alloc_parallel+0x58/0x914
[  425.372237][ T4381]  __lookup_slow+0x8c/0x204
[  425.373276][ T4381]  lookup_one_len+0xd4/0x188
[  425.374360][ T4381]  start_creating+0x124/0x1f4
[  425.375396][ T4381]  debugfs_create_dir+0x2c/0x1e0
[  425.376594][ T4381]  nbd_start_device+0x1b4/0x510
[  425.377554][ T4381]  nbd_ioctl+0x228/0x66c
[  425.378489][ T4381]  blkdev_ioctl+0x218/0x664
[  425.379441][ T4381]  __arm64_sys_ioctl+0xd0/0x148
[  425.380404][ T4381]  invoke_syscall+0x64/0x174
[  425.381591][ T4381]  el0_svc_common+0xb8/0x174
[  425.382652][ T4381]  do_el0_svc+0x3c/0xec
[  425.383532][ T4381]  el0_svc+0x34/0x110
[  425.384333][ T4381]  el0t_64_sync_handler+0x84/0xf0
[  425.385471][ T4381]  el0t_64_sync+0x18c/0x190
[  425.386494][ T4381] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.512549][ T4381] block nbd0: shutting down sockets
[  425.583659][ T4383] FAULT_INJECTION: forcing a failure.
[  425.583659][ T4383] name failslab, interval 1, probability 0, space 0, times 0
[  425.586271][ T4383] CPU: 1 PID: 4383 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  425.588409][ T4383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  425.590393][ T4383] Call trace:
[  425.591095][ T4383]  dump_backtrace+0x1c8/0x1f4
[  425.592019][ T4383]  show_stack+0x2c/0x3c
[  425.592972][ T4383]  dump_stack_lvl+0xc0/0x104
[  425.593919][ T4383]  dump_stack+0x1c/0x4c
[  425.594761][ T4383]  should_fail_ex+0x1bc/0x1e0
[  425.595767][ T4383]  __should_failslab+0x64/0x78
[  425.596731][ T4383]  should_failslab+0x10/0x28
[  425.597635][ T4383]  slab_pre_alloc_hook+0x54/0x1f4
[  425.598790][ T4383]  kmem_cache_alloc_lru+0x60/0x2ac
[  425.599918][ T4383]  __d_alloc+0x3c/0x290
[  425.600791][ T4383]  d_alloc_parallel+0x58/0x914
[  425.601967][ T4383]  __lookup_slow+0x8c/0x204
[  425.602916][ T4383]  lookup_one_len+0xd4/0x188
[  425.603980][ T4383]  start_creating+0x124/0x1f4
[  425.605001][ T4383]  debugfs_create_dir+0x2c/0x1e0
[  425.606059][ T4383]  nbd_start_device+0x1b4/0x510
[  425.607124][ T4383]  nbd_ioctl+0x228/0x66c
[  425.608037][ T4383]  blkdev_ioctl+0x218/0x664
[  425.609030][ T4383]  __arm64_sys_ioctl+0xd0/0x148
[  425.610048][ T4383]  invoke_syscall+0x64/0x174
[  425.611087][ T4383]  el0_svc_common+0xb8/0x174
[  425.612073][ T4383]  do_el0_svc+0x3c/0xec
[  425.613008][ T4383]  el0_svc+0x34/0x110
[  425.613790][ T4383]  el0t_64_sync_handler+0x84/0xf0
[  425.614892][ T4383]  el0t_64_sync+0x18c/0x190
[  425.615981][ T4383] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.742694][ T4383] block nbd0: shutting down sockets
[  425.823632][ T4385] FAULT_INJECTION: forcing a failure.
[  425.823632][ T4385] name failslab, interval 1, probability 0, space 0, times 0
[  425.826220][ T4385] CPU: 0 PID: 4385 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  425.828271][ T4385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  425.830333][ T4385] Call trace:
[  425.831061][ T4385]  dump_backtrace+0x1c8/0x1f4
[  425.832142][ T4385]  show_stack+0x2c/0x3c
[  425.832982][ T4385]  dump_stack_lvl+0xc0/0x104
[  425.834143][ T4385]  dump_stack+0x1c/0x4c
[  425.835016][ T4385]  should_fail_ex+0x1bc/0x1e0
[  425.835981][ T4385]  __should_failslab+0x64/0x78
[  425.837151][ T4385]  should_failslab+0x10/0x28
[  425.838077][ T4385]  slab_pre_alloc_hook+0x54/0x1f4
[  425.839099][ T4385]  kmem_cache_alloc_lru+0x60/0x2ac
[  425.840199][ T4385]  __d_alloc+0x3c/0x290
[  425.841047][ T4385]  d_alloc_parallel+0x58/0x914
[  425.842039][ T4385]  __lookup_slow+0x8c/0x204
[  425.843033][ T4385]  lookup_one_len+0xd4/0x188
[  425.844038][ T4385]  start_creating+0x124/0x1f4
[  425.845021][ T4385]  debugfs_create_dir+0x2c/0x1e0
[  425.846074][ T4385]  nbd_start_device+0x1b4/0x510
[  425.847102][ T4385]  nbd_ioctl+0x228/0x66c
[  425.848014][ T4385]  blkdev_ioctl+0x218/0x664
[  425.848900][ T4385]  __arm64_sys_ioctl+0xd0/0x148
[  425.849940][ T4385]  invoke_syscall+0x64/0x174
[  425.851024][ T4385]  el0_svc_common+0xb8/0x174
[  425.851983][ T4385]  do_el0_svc+0x3c/0xec
[  425.852850][ T4385]  el0_svc+0x34/0x110
[  425.853721][ T4385]  el0t_64_sync_handler+0x84/0xf0
[  425.854812][ T4385]  el0t_64_sync+0x18c/0x190
[  425.855779][ T4385] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.982670][ T4385] block nbd0: shutting down sockets
[  426.063639][ T4387] FAULT_INJECTION: forcing a failure.
[  426.063639][ T4387] name failslab, interval 1, probability 0, space 0, times 0
[  426.066447][ T4387] CPU: 0 PID: 4387 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  426.068606][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  426.070751][ T4387] Call trace:
[  426.071320][ T4387]  dump_backtrace+0x1c8/0x1f4
[  426.072221][ T4387]  show_stack+0x2c/0x3c
[  426.073004][ T4387]  dump_stack_lvl+0xc0/0x104
[  426.074020][ T4387]  dump_stack+0x1c/0x4c
[  426.074787][ T4387]  should_fail_ex+0x1bc/0x1e0
[  426.075726][ T4387]  __should_failslab+0x64/0x78
[  426.076665][ T4387]  should_failslab+0x10/0x28
[  426.077663][ T4387]  slab_pre_alloc_hook+0x54/0x1f4
[  426.078761][ T4387]  kmem_cache_alloc_lru+0x60/0x2ac
[  426.079982][ T4387]  __d_alloc+0x3c/0x290
[  426.080841][ T4387]  d_alloc_parallel+0x58/0x914
[  426.081959][ T4387]  __lookup_slow+0x8c/0x204
[  426.083063][ T4387]  lookup_one_len+0xd4/0x188
[  426.084080][ T4387]  start_creating+0x124/0x1f4
[  426.085131][ T4387]  debugfs_create_dir+0x2c/0x1e0
[  426.086182][ T4387]  nbd_start_device+0x1b4/0x510
[  426.087263][ T4387]  nbd_ioctl+0x228/0x66c
[  426.088235][ T4387]  blkdev_ioctl+0x218/0x664
[  426.089167][ T4387]  __arm64_sys_ioctl+0xd0/0x148
[  426.090213][ T4387]  invoke_syscall+0x64/0x174
[  426.091238][ T4387]  el0_svc_common+0xb8/0x174
[  426.092145][ T4387]  do_el0_svc+0x3c/0xec
[  426.093004][ T4387]  el0_svc+0x34/0x110
[  426.093972][ T4387]  el0t_64_sync_handler+0x84/0xf0
[  426.095065][ T4387]  el0t_64_sync+0x18c/0x190
[  426.096385][ T4387] block nbd0: Failed to create debugfs dir for 'nbd0'
[  426.222601][ T4387] block nbd0: shutting down sockets
[  426.343438][ T4390] block nbd0: Device being setup by another task
[  426.395276][ T4389] FAULT_INJECTION: forcing a failure.
[  426.395276][ T4389] name failslab, interval 1, probability 0, space 0, times 0
[  426.398131][ T4389] CPU: 0 PID: 4389 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  426.400286][ T4389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  426.402195][ T4389] Call trace:
[  426.402844][ T4389]  dump_backtrace+0x1c8/0x1f4
[  426.403921][ T4389]  show_stack+0x2c/0x3c
[  426.404778][ T4389]  dump_stack_lvl+0xc0/0x104
[  426.405772][ T4389]  dump_stack+0x1c/0x4c
[  426.406683][ T4389]  should_fail_ex+0x1bc/0x1e0
[  426.407721][ T4389]  __should_failslab+0x64/0x78
[  426.408853][ T4389]  should_failslab+0x10/0x28
[  426.409859][ T4389]  __kmem_cache_alloc_node+0x6c/0x348
[  426.410948][ T4389]  __kmalloc_node_track_caller+0x84/0xc0
[  426.412129][ T4389]  kstrdup_const+0x90/0xdc
[  426.413019][ T4389]  __kernfs_new_node+0x5c/0x2e8
[  426.414178][ T4389]  kernfs_create_dir_ns+0xac/0x188
[  426.415231][ T4389]  sysfs_create_dir_ns+0x8c/0x168
[  426.416310][ T4389]  kobject_add_internal+0x314/0x64c
[  426.417395][ T4389]  kobject_add+0xb8/0x130
[  426.418335][ T4389]  blk_mq_register_hctx+0x54/0x184
[  426.419369][ T4389]  blk_mq_sysfs_register_hctxs+0x80/0x110
[  426.420621][ T4389]  blk_mq_update_nr_hw_queues+0x4d0/0x6c8
[  426.421859][ T4389]  nbd_start_device+0xc4/0x510
[  426.422838][ T4389]  nbd_ioctl+0x228/0x66c
[  426.423670][ T4389]  blkdev_ioctl+0x218/0x664
[  426.424687][ T4389]  __arm64_sys_ioctl+0xd0/0x148
[  426.425749][ T4389]  invoke_syscall+0x64/0x174
[  426.426635][ T4389]  el0_svc_common+0xb8/0x174
[  426.427629][ T4389]  do_el0_svc+0x3c/0xec
[  426.428553][ T4389]  el0_svc+0x34/0x110
[  426.429368][ T4389]  el0t_64_sync_handler+0x84/0xf0
[  426.430378][ T4389]  el0t_64_sync+0x18c/0x190
[  426.431369][ T4389] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  426.493007][ T4389] block nbd0: shutting down sockets
[  426.634659][ T4392] ------------[ cut here ]------------
[  426.635916][ T4392] kernfs: can not remove 'nr_tags', no directory
[  426.637328][ T4392] WARNING: CPU: 0 PID: 4392 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  426.639352][ T4392] Modules linked in:
[  426.640168][ T4392] CPU: 0 PID: 4392 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  426.642241][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  426.644524][ T4392] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  426.646279][ T4392] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  426.647472][ T4392] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  426.648758][ T4392] sp : ffff80000df73ac0
[  426.649608][ T4392] x29: ffff80000df73ac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  426.651219][ T4392] x26: ffff0000c62b9908 x25: ffff80000df73be8 x24: ffff0001ffa6ef80
[  426.652947][ T4392] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  426.654577][ T4392] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  426.656278][ T4392] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  426.657873][ T4392] x14: 0000000000000000 x13: 205d323933345420 x12: ffff80000d1c6000
[  426.659566][ T4392] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 811c21acf3c6f800
[  426.661209][ T4392] x8 : 811c21acf3c6f800 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  426.662894][ T4392] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  426.664533][ T4392] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
[  426.666416][ T4392] Call trace:
[  426.667195][ T4392]  kernfs_remove_by_name_ns+0xb4/0x110
[  426.668457][ T4392]  sysfs_remove_group+0x68/0x160
[  426.669523][ T4392]  sysfs_remove_groups+0x3c/0x78
[  426.670585][ T4392]  __kobject_del+0x34/0x134
[  426.671565][ T4392]  kobject_del+0x2c/0x4c
[  426.672493][ T4392]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  426.673779][ T4392]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  426.674919][ T4392]  nbd_start_device+0xc4/0x510
[  426.675899][ T4392]  nbd_ioctl+0x228/0x66c
[  426.676886][ T4392]  blkdev_ioctl+0x218/0x664
[  426.677847][ T4392]  __arm64_sys_ioctl+0xd0/0x148
[  426.678822][ T4392]  invoke_syscall+0x64/0x174
[  426.679760][ T4392]  el0_svc_common+0xb8/0x174
[  426.680681][ T4392]  do_el0_svc+0x3c/0xec
[  426.681536][ T4392]  el0_svc+0x34/0x110
[  426.682302][ T4392]  el0t_64_sync_handler+0x84/0xf0
[  426.683616][ T4392]  el0t_64_sync+0x18c/0x190
[  426.684625][ T4392] ---[ end trace 0000000000000000 ]---
[  426.685781][ T4392] ------------[ cut here ]------------
[  426.686991][ T4392] kernfs: can not remove 'nr_reserved_tags', no directory
[  426.688589][ T4392] WARNING: CPU: 0 PID: 4392 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  426.690742][ T4392] Modules linked in:
[  426.691575][ T4392] CPU: 0 PID: 4392 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  426.693799][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  426.695899][ T4392] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  426.697602][ T4392] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  426.698885][ T4392] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  426.700030][ T4392] sp : ffff80000df73ac0
[  426.700916][ T4392] x29: ffff80000df73ac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  426.702682][ T4392] x26: ffff0000c62b9908 x25: ffff80000df73be8 x24: ffff0001ffa6ef80
[  426.704557][ T4392] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  426.706284][ T4392] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  426.708067][ T4392] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  426.709718][ T4392] x14: 0000000000000000 x13: 205d323933345420 x12: ffff80000d1c6000
[  426.711468][ T4392] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 811c21acf3c6f800
[  426.713189][ T4392] x8 : 811c21acf3c6f800 x7 : 0000000000000000 x6 : ffff80000ae345b4
[  426.714832][ T4392] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dee68
[  426.716512][ T4392] x2 : ffff0001fe9dee68 x1 : ffff80000b9da731 x0 : 0000000000000001
[  426.718212][ T4392] Call trace:
[  426.718904][ T4392]  kernfs_remove_by_name_ns+0xb4/0x110
[  426.719940][ T4392]  sysfs_remove_group+0x68/0x160
[  426.721006][ T4392]  sysfs_remove_groups+0x3c/0x78
[  426.722017][ T4392]  __kobject_del+0x34/0x134
[  426.722916][ T4392]  kobject_del+0x2c/0x4c
[  426.723859][ T4392]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  426.725291][ T4392]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  426.726539][ T4392]  nbd_start_device+0xc4/0x510
[  426.727507][ T4392]  nbd_ioctl+0x228/0x66c
[  426.728355][ T4392]  blkdev_ioctl+0x218/0x664
[  426.729299][ T4392]  __arm64_sys_ioctl+0xd0/0x148
[  426.730379][ T4392]  invoke_syscall+0x64/0x174
[  426.731391][ T4392]  el0_svc_common+0xb8/0x174
[  426.732305][ T4392]  do_el0_svc+0x3c/0xec
[  426.733068][ T4392]  el0_svc+0x34/0x110
[  426.734024][ T4392]  el0t_64_sync_handler+0x84/0xf0
[  426.735022][ T4392]  el0t_64_sync+0x18c/0x190
[  426.736048][ T4392] ---[ end trace 0000000000000000 ]---
[  426.737333][ T4392] ------------[ cut here ]------------
[  426.738566][ T4392] kernfs: can not remove 'cpu_list', no directory
[  426.739961][ T4392] WARNING: CPU: 0 PID: 4392 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110
[  426.742086][ T4392] Modules linked in:
[  426.742993][ T4392] CPU: 0 PID: 4392 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  426.745121][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  426.747204][ T4392] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[  426.748837][ T4392] pc : kernfs_remove_by_name_ns+0xb4/0x110
[  426.750058][ T4392] lr : kernfs_remove_by_name_ns+0xb0/0x110
[  426.751203][ T4392] sp : ffff80000df73ac0
[  426.752112][ T4392] x29: ffff80000df73ac0 x28: ffff80000bd0a000 x27: ffff0000c62b9908
[  426.753722][ T4392] x26: ffff0000c62b9908 x25: ffff80000df73be8 x24: ffff0001ffa6ef80
[  426.755427][ T4392] x23: ffff0000c50d8000 x22: 0000000000000000 x21: 0000000000000000
[  426.757278][ T4392] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000
[  426.759005][ T4392] x17: ffff80000d402688 x16: 0000000000001167 x15: 0000000000000000
[  426.760698][ T4392] x14: 0000000000000000 x13: 205d323933345420 x12: ffff80000d1c6000
[  426.762349][ T4392] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 811c21acf3c6f800
[  426.764229][ T4392] x8 : 811c21acf3c6f800 x7 : 0000000000000000 x6 : ffff80000ae38be8
[  426.765879][ T4392] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000
[  426.767589][ T4392] x2 : ffff0001fe9d3ba8 x1 : 0000000100000000 x0 : 0000000000000000
[  426.769153][ T4392] Call trace:
[  426.769819][ T4392]  kernfs_remove_by_name_ns+0xb4/0x110
[  426.770949][ T4392]  sysfs_remove_group+0x68/0x160
[  426.771984][ T4392]  sysfs_remove_groups+0x3c/0x78
[  426.773048][ T4392]  __kobject_del+0x34/0x134
[  426.773941][ T4392]  kobject_del+0x2c/0x4c
[  426.774892][ T4392]  blk_mq_sysfs_unregister_hctxs+0xc4/0x13c
[  426.776120][ T4392]  blk_mq_update_nr_hw_queues+0x24c/0x6c8
[  426.777372][ T4392]  nbd_start_device+0xc4/0x510
[  426.778390][ T4392]  nbd_ioctl+0x228/0x66c
[  426.779269][ T4392]  blkdev_ioctl+0x218/0x664
[  426.780215][ T4392]  __arm64_sys_ioctl+0xd0/0x148
[  426.781228][ T4392]  invoke_syscall+0x64/0x174
[  426.782186][ T4392]  el0_svc_common+0xb8/0x174
[  426.783174][ T4392]  do_el0_svc+0x3c/0xec
[  426.784011][ T4392]  el0_svc+0x34/0x110
[  426.784799][ T4392]  el0t_64_sync_handler+0x84/0xf0
[  426.785924][ T4392]  el0t_64_sync+0x18c/0x190
[  426.787007][ T4392] ---[ end trace 0000000000000000 ]---
[  426.790268][ T4392] block nbd0: shutting down sockets
[  426.883674][ T4394] FAULT_INJECTION: forcing a failure.
[  426.883674][ T4394] name failslab, interval 1, probability 0, space 0, times 0
[  426.886533][ T4394] CPU: 1 PID: 4394 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  426.888663][ T4394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  426.890640][ T4394] Call trace:
[  426.891279][ T4394]  dump_backtrace+0x1c8/0x1f4
[  426.892260][ T4394]  show_stack+0x2c/0x3c
[  426.893058][ T4394]  dump_stack_lvl+0xc0/0x104
[  426.894050][ T4394]  dump_stack+0x1c/0x4c
[  426.894901][ T4394]  should_fail_ex+0x1bc/0x1e0
[  426.895928][ T4394]  __should_failslab+0x64/0x78
[  426.896912][ T4394]  should_failslab+0x10/0x28
[  426.897968][ T4394]  slab_pre_alloc_hook+0x54/0x1f4
[  426.899054][ T4394]  kmem_cache_alloc_lru+0x60/0x2ac
[  426.900209][ T4394]  alloc_inode+0x7c/0x104
[  426.901196][ T4394]  new_inode+0x2c/0xc0
[  426.902135][ T4394]  debugfs_create_dir+0x98/0x1e0
[  426.903273][ T4394]  nbd_start_device+0x1b4/0x510
[  426.904336][ T4394]  nbd_ioctl+0x228/0x66c
[  426.905295][ T4394]  blkdev_ioctl+0x218/0x664
[  426.906304][ T4394]  __arm64_sys_ioctl+0xd0/0x148
[  426.907361][ T4394]  invoke_syscall+0x64/0x174
[  426.908318][ T4394]  el0_svc_common+0xb8/0x174
[  426.909320][ T4394]  do_el0_svc+0x3c/0xec
[  426.910128][ T4394]  el0_svc+0x34/0x110
[  426.911065][ T4394]  el0t_64_sync_handler+0x84/0xf0
[  426.912092][ T4394]  el0t_64_sync+0x18c/0x190
[  426.913235][ T4394] debugfs: out of free dentries, can not create directory 'nbd0'
[  426.915117][ T4394] block nbd0: Failed to create debugfs dir for 'nbd0'
[  427.042434][ T4394] block nbd0: shutting down sockets
[  427.143697][ T4396] FAULT_INJECTION: forcing a failure.
[  427.143697][ T4396] name failslab, interval 1, probability 0, space 0, times 0
[  427.146499][ T4396] CPU: 1 PID: 4396 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  427.148724][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  427.150744][ T4396] Call trace:
[  427.151412][ T4396]  dump_backtrace+0x1c8/0x1f4
[  427.152425][ T4396]  show_stack+0x2c/0x3c
[  427.153227][ T4396]  dump_stack_lvl+0xc0/0x104
[  427.154268][ T4396]  dump_stack+0x1c/0x4c
[  427.155289][ T4396]  should_fail_ex+0x1bc/0x1e0
[  427.156327][ T4396]  __should_failslab+0x64/0x78
[  427.157437][ T4396]  should_failslab+0x10/0x28
[  427.158321][ T4396]  slab_pre_alloc_hook+0x54/0x1f4
[  427.159386][ T4396]  kmem_cache_alloc_lru+0x60/0x2ac
[  427.160549][ T4396]  alloc_inode+0x7c/0x104
[  427.161430][ T4396]  new_inode+0x2c/0xc0
[  427.162306][ T4396]  debugfs_create_dir+0x98/0x1e0
[  427.163335][ T4396]  nbd_start_device+0x1b4/0x510
[  427.164437][ T4396]  nbd_ioctl+0x228/0x66c
[  427.165340][ T4396]  blkdev_ioctl+0x218/0x664
[  427.166291][ T4396]  __arm64_sys_ioctl+0xd0/0x148
[  427.167282][ T4396]  invoke_syscall+0x64/0x174
[  427.168202][ T4396]  el0_svc_common+0xb8/0x174
[  427.169194][ T4396]  do_el0_svc+0x3c/0xec
[  427.169950][ T4396]  el0_svc+0x34/0x110
[  427.170862][ T4396]  el0t_64_sync_handler+0x84/0xf0
[  427.171867][ T4396]  el0t_64_sync+0x18c/0x190
[  427.173068][ T4396] debugfs: out of free dentries, can not create directory 'nbd0'
[  427.174715][ T4396] block nbd0: Failed to create debugfs dir for 'nbd0'
[  427.302099][ T4396] block nbd0: shutting down sockets
[  427.403528][ T4399] FAULT_INJECTION: forcing a failure.
[  427.403528][ T4399] name failslab, interval 1, probability 0, space 0, times 0
[  427.406221][ T4399] CPU: 1 PID: 4399 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  427.408271][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  427.410295][ T4399] Call trace:
[  427.410969][ T4399]  dump_backtrace+0x1c8/0x1f4
[  427.411962][ T4399]  show_stack+0x2c/0x3c
[  427.412764][ T4399]  dump_stack_lvl+0xc0/0x104
[  427.413881][ T4399]  dump_stack+0x1c/0x4c
[  427.414941][ T4399]  should_fail_ex+0x1bc/0x1e0
[  427.415976][ T4399]  __should_failslab+0x64/0x78
[  427.417067][ T4399]  should_failslab+0x10/0x28
[  427.418009][ T4399]  slab_pre_alloc_hook+0x54/0x1f4
[  427.419229][ T4399]  kmem_cache_alloc_lru+0x60/0x2ac
[  427.420264][ T4399]  alloc_inode+0x7c/0x104
[  427.421196][ T4399]  new_inode+0x2c/0xc0
[  427.422113][ T4399]  debugfs_create_dir+0x98/0x1e0
[  427.423076][ T4399]  nbd_start_device+0x1b4/0x510
[  427.424049][ T4399]  nbd_ioctl+0x228/0x66c
[  427.424909][ T4399]  blkdev_ioctl+0x218/0x664
[  427.425980][ T4399]  __arm64_sys_ioctl+0xd0/0x148
[  427.427110][ T4399]  invoke_syscall+0x64/0x174
[  427.428008][ T4399]  el0_svc_common+0xb8/0x174
[  427.429047][ T4399]  do_el0_svc+0x3c/0xec
[  427.429866][ T4399]  el0_svc+0x34/0x110
[  427.430737][ T4399]  el0t_64_sync_handler+0x84/0xf0
[  427.431804][ T4399]  el0t_64_sync+0x18c/0x190
[  427.432902][ T4399] debugfs: out of free dentries, can not create directory 'nbd0'
[  427.434589][ T4399] block nbd0: Failed to create debugfs dir for 'nbd0'
[  427.553671][ T4399] block nbd0: shutting down sockets
[  427.653640][ T4401] FAULT_INJECTION: forcing a failure.
[  427.653640][ T4401] name failslab, interval 1, probability 0, space 0, times 0
[  427.656165][ T4401] CPU: 0 PID: 4401 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  427.658190][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  427.660052][ T4401] Call trace:
[  427.660730][ T4401]  dump_backtrace+0x1c8/0x1f4
[  427.661776][ T4401]  show_stack+0x2c/0x3c
[  427.662612][ T4401]  dump_stack_lvl+0xc0/0x104
[  427.663522][ T4401]  dump_stack+0x1c/0x4c
[  427.664349][ T4401]  should_fail_ex+0x1bc/0x1e0
[  427.665281][ T4401]  __should_failslab+0x64/0x78
[  427.666291][ T4401]  should_failslab+0x10/0x28
[  427.667136][ T4401]  slab_pre_alloc_hook+0x54/0x1f4
[  427.668187][ T4401]  kmem_cache_alloc_lru+0x60/0x2ac
[  427.669205][ T4401]  alloc_inode+0x7c/0x104
[  427.670149][ T4401]  new_inode+0x2c/0xc0
[  427.670931][ T4401]  debugfs_create_dir+0x98/0x1e0
[  427.671966][ T4401]  nbd_start_device+0x1b4/0x510
[  427.672931][ T4401]  nbd_ioctl+0x228/0x66c
[  427.673845][ T4401]  blkdev_ioctl+0x218/0x664
[  427.674785][ T4401]  __arm64_sys_ioctl+0xd0/0x148
[  427.675767][ T4401]  invoke_syscall+0x64/0x174
[  427.676708][ T4401]  el0_svc_common+0xb8/0x174
[  427.677609][ T4401]  do_el0_svc+0x3c/0xec
[  427.678455][ T4401]  el0_svc+0x34/0x110
[  427.679249][ T4401]  el0t_64_sync_handler+0x84/0xf0
[  427.680304][ T4401]  el0t_64_sync+0x18c/0x190
[  427.681232][ T4401] debugfs: out of free dentries, can not create directory 'nbd0'
[  427.682785][ T4401] block nbd0: Failed to create debugfs dir for 'nbd0'
[  427.812536][ T4401] block nbd0: shutting down sockets
[  427.893717][ T4403] FAULT_INJECTION: forcing a failure.
[  427.893717][ T4403] name failslab, interval 1, probability 0, space 0, times 0
[  427.896315][ T4403] CPU: 0 PID: 4403 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  427.898391][ T4403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  427.900541][ T4403] Call trace:
[  427.901215][ T4403]  dump_backtrace+0x1c8/0x1f4
[  427.902172][ T4403]  show_stack+0x2c/0x3c
[  427.903052][ T4403]  dump_stack_lvl+0xc0/0x104
[  427.904137][ T4403]  dump_stack+0x1c/0x4c
[  427.904975][ T4403]  should_fail_ex+0x1bc/0x1e0
[  427.905982][ T4403]  __should_failslab+0x64/0x78
[  427.907007][ T4403]  should_failslab+0x10/0x28
[  427.907988][ T4403]  slab_pre_alloc_hook+0x54/0x1f4
[  427.909020][ T4403]  kmem_cache_alloc_lru+0x60/0x2ac
[  427.910106][ T4403]  alloc_inode+0x7c/0x104
[  427.910974][ T4403]  new_inode+0x2c/0xc0
[  427.911885][ T4403]  debugfs_create_dir+0x98/0x1e0
[  427.912903][ T4403]  nbd_start_device+0x1b4/0x510
[  427.913953][ T4403]  nbd_ioctl+0x228/0x66c
[  427.914847][ T4403]  blkdev_ioctl+0x218/0x664
[  427.915747][ T4403]  __arm64_sys_ioctl+0xd0/0x148
[  427.916887][ T4403]  invoke_syscall+0x64/0x174
[  427.918011][ T4403]  el0_svc_common+0xb8/0x174
[  427.918909][ T4403]  do_el0_svc+0x3c/0xec
[  427.919759][ T4403]  el0_svc+0x34/0x110
[  427.920636][ T4403]  el0t_64_sync_handler+0x84/0xf0
[  427.921690][ T4403]  el0t_64_sync+0x18c/0x190
[  427.922636][ T4403] debugfs: out of free dentries, can not create directory 'nbd0'
[  427.924659][ T4403] block nbd0: Failed to create debugfs dir for 'nbd0'
[  428.052313][ T4403] block nbd0: shutting down sockets
[  428.143661][ T4405] FAULT_INJECTION: forcing a failure.
[  428.143661][ T4405] name failslab, interval 1, probability 0, space 0, times 0
[  428.146325][ T4405] CPU: 0 PID: 4405 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  428.148442][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  428.150571][ T4405] Call trace:
[  428.151266][ T4405]  dump_backtrace+0x1c8/0x1f4
[  428.152287][ T4405]  show_stack+0x2c/0x3c
[  428.153233][ T4405]  dump_stack_lvl+0xc0/0x104
[  428.154222][ T4405]  dump_stack+0x1c/0x4c
[  428.155040][ T4405]  should_fail_ex+0x1bc/0x1e0
[  428.155992][ T4405]  __should_failslab+0x64/0x78
[  428.156974][ T4405]  should_failslab+0x10/0x28
[  428.157879][ T4405]  slab_pre_alloc_hook+0x54/0x1f4
[  428.158865][ T4405]  kmem_cache_alloc_lru+0x60/0x2ac
[  428.159921][ T4405]  alloc_inode+0x7c/0x104
[  428.160915][ T4405]  new_inode+0x2c/0xc0
[  428.161763][ T4405]  debugfs_create_dir+0x98/0x1e0
[  428.162826][ T4405]  nbd_start_device+0x1b4/0x510
[  428.163845][ T4405]  nbd_ioctl+0x228/0x66c
[  428.164714][ T4405]  blkdev_ioctl+0x218/0x664
[  428.165626][ T4405]  __arm64_sys_ioctl+0xd0/0x148
[  428.166589][ T4405]  invoke_syscall+0x64/0x174
[  428.167554][ T4405]  el0_svc_common+0xb8/0x174
[  428.168466][ T4405]  do_el0_svc+0x3c/0xec
[  428.169358][ T4405]  el0_svc+0x34/0x110
[  428.170273][ T4405]  el0t_64_sync_handler+0x84/0xf0
[  428.171373][ T4405]  el0t_64_sync+0x18c/0x190
[  428.172603][ T4405] debugfs: out of free dentries, can not create directory 'nbd0'
[  428.174356][ T4405] block nbd0: Failed to create debugfs dir for 'nbd0'
[  428.302582][ T4405] block nbd0: shutting down sockets
[  428.383622][ T4407] FAULT_INJECTION: forcing a failure.
[  428.383622][ T4407] name failslab, interval 1, probability 0, space 0, times 0
[  428.386430][ T4407] CPU: 0 PID: 4407 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  428.388554][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  428.390725][ T4407] Call trace:
[  428.391465][ T4407]  dump_backtrace+0x1c8/0x1f4
[  428.392392][ T4407]  show_stack+0x2c/0x3c
[  428.393179][ T4407]  dump_stack_lvl+0xc0/0x104
[  428.394112][ T4407]  dump_stack+0x1c/0x4c
[  428.395054][ T4407]  should_fail_ex+0x1bc/0x1e0
[  428.396023][ T4407]  __should_failslab+0x64/0x78
[  428.397134][ T4407]  should_failslab+0x10/0x28
[  428.398202][ T4407]  slab_pre_alloc_hook+0x54/0x1f4
[  428.399299][ T4407]  kmem_cache_alloc_lru+0x60/0x2ac
[  428.400305][ T4407]  alloc_inode+0x7c/0x104
[  428.401225][ T4407]  new_inode+0x2c/0xc0
[  428.402053][ T4407]  debugfs_create_dir+0x98/0x1e0
[  428.403152][ T4407]  nbd_start_device+0x1b4/0x510
[  428.404389][ T4407]  nbd_ioctl+0x228/0x66c
[  428.405261][ T4407]  blkdev_ioctl+0x218/0x664
[  428.406203][ T4407]  __arm64_sys_ioctl+0xd0/0x148
[  428.407197][ T4407]  invoke_syscall+0x64/0x174
[  428.408181][ T4407]  el0_svc_common+0xb8/0x174
[  428.409148][ T4407]  do_el0_svc+0x3c/0xec
[  428.410023][ T4407]  el0_svc+0x34/0x110
[  428.410928][ T4407]  el0t_64_sync_handler+0x84/0xf0
[  428.411960][ T4407]  el0t_64_sync+0x18c/0x190
[  428.413094][ T4407] debugfs: out of free dentries, can not create directory 'nbd0'
[  428.414883][ T4407] block nbd0: Failed to create debugfs dir for 'nbd0'
[  428.541859][ T4407] block nbd0: shutting down sockets
[  428.623727][ T4409] FAULT_INJECTION: forcing a failure.
[  428.623727][ T4409] name failslab, interval 1, probability 0, space 0, times 0
[  428.626557][ T4409] CPU: 1 PID: 4409 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  428.628493][ T4409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  428.630689][ T4409] Call trace:
[  428.631369][ T4409]  dump_backtrace+0x1c8/0x1f4
[  428.632330][ T4409]  show_stack+0x2c/0x3c
[  428.633200][ T4409]  dump_stack_lvl+0xc0/0x104
[  428.634218][ T4409]  dump_stack+0x1c/0x4c
[  428.635126][ T4409]  should_fail_ex+0x1bc/0x1e0
[  428.636146][ T4409]  __should_failslab+0x64/0x78
[  428.637249][ T4409]  should_failslab+0x10/0x28
[  428.638256][ T4409]  slab_pre_alloc_hook+0x54/0x1f4
[  428.639321][ T4409]  kmem_cache_alloc_lru+0x60/0x2ac
[  428.640344][ T4409]  alloc_inode+0x7c/0x104
[  428.641275][ T4409]  new_inode+0x2c/0xc0
[  428.642101][ T4409]  debugfs_create_dir+0x98/0x1e0
[  428.643139][ T4409]  nbd_start_device+0x1b4/0x510
[  428.644134][ T4409]  nbd_ioctl+0x228/0x66c
[  428.645063][ T4409]  blkdev_ioctl+0x218/0x664
[  428.645994][ T4409]  __arm64_sys_ioctl+0xd0/0x148
[  428.647084][ T4409]  invoke_syscall+0x64/0x174
[  428.648031][ T4409]  el0_svc_common+0xb8/0x174
[  428.648980][ T4409]  do_el0_svc+0x3c/0xec
[  428.649905][ T4409]  el0_svc+0x34/0x110
[  428.650766][ T4409]  el0t_64_sync_handler+0x84/0xf0
[  428.651831][ T4409]  el0t_64_sync+0x18c/0x190
[  428.652810][ T4409] debugfs: out of free dentries, can not create directory 'nbd0'
[  428.654389][ T4409] block nbd0: Failed to create debugfs dir for 'nbd0'
[  428.782457][ T4409] block nbd0: shutting down sockets
[  428.893512][ T4412] FAULT_INJECTION: forcing a failure.
[  428.893512][ T4412] name failslab, interval 1, probability 0, space 0, times 0
[  428.896164][ T4412] CPU: 0 PID: 4412 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  428.898147][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  428.900206][ T4412] Call trace:
[  428.900860][ T4412]  dump_backtrace+0x1c8/0x1f4
[  428.901956][ T4412]  show_stack+0x2c/0x3c
[  428.902809][ T4412]  dump_stack_lvl+0xc0/0x104
[  428.903815][ T4412]  dump_stack+0x1c/0x4c
[  428.904748][ T4412]  should_fail_ex+0x1bc/0x1e0
[  428.905773][ T4412]  __should_failslab+0x64/0x78
[  428.906791][ T4412]  should_failslab+0x10/0x28
[  428.907685][ T4412]  slab_pre_alloc_hook+0x54/0x1f4
[  428.908670][ T4412]  kmem_cache_alloc_lru+0x60/0x2ac
[  428.909768][ T4412]  alloc_inode+0x7c/0x104
[  428.910850][ T4412]  new_inode+0x2c/0xc0
[  428.911742][ T4412]  debugfs_create_dir+0x98/0x1e0
[  428.912714][ T4412]  nbd_start_device+0x1b4/0x510
[  428.913811][ T4412]  nbd_ioctl+0x228/0x66c
[  428.914646][ T4412]  blkdev_ioctl+0x218/0x664
[  428.915620][ T4412]  __arm64_sys_ioctl+0xd0/0x148
[  428.916628][ T4412]  invoke_syscall+0x64/0x174
[  428.917630][ T4412]  el0_svc_common+0xb8/0x174
[  428.918600][ T4412]  do_el0_svc+0x3c/0xec
[  428.919429][ T4412]  el0_svc+0x34/0x110
[  428.920209][ T4412]  el0t_64_sync_handler+0x84/0xf0
[  428.921284][ T4412]  el0t_64_sync+0x18c/0x190
[  428.922246][ T4412] debugfs: out of free dentries, can not create directory 'nbd0'
[  428.923850][ T4412] block nbd0: Failed to create debugfs dir for 'nbd0'
[  429.034081][ T4412] block nbd0: shutting down sockets
[  429.103655][ T4414] FAULT_INJECTION: forcing a failure.
[  429.103655][ T4414] name failslab, interval 1, probability 0, space 0, times 0
[  429.106357][ T4414] CPU: 0 PID: 4414 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  429.108373][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  429.110561][ T4414] Call trace:
[  429.111216][ T4414]  dump_backtrace+0x1c8/0x1f4
[  429.112260][ T4414]  show_stack+0x2c/0x3c
[  429.113094][ T4414]  dump_stack_lvl+0xc0/0x104
[  429.114167][ T4414]  dump_stack+0x1c/0x4c
[  429.115097][ T4414]  should_fail_ex+0x1bc/0x1e0
[  429.116128][ T4414]  __should_failslab+0x64/0x78
[  429.117213][ T4414]  should_failslab+0x10/0x28
[  429.118180][ T4414]  slab_pre_alloc_hook+0x54/0x1f4
[  429.119161][ T4414]  kmem_cache_alloc_lru+0x60/0x2ac
[  429.120210][ T4414]  alloc_inode+0x7c/0x104
[  429.121152][ T4414]  new_inode+0x2c/0xc0
[  429.122017][ T4414]  debugfs_create_dir+0x98/0x1e0
[  429.123038][ T4414]  nbd_start_device+0x1b4/0x510
[  429.124091][ T4414]  nbd_ioctl+0x228/0x66c
[  429.125001][ T4414]  blkdev_ioctl+0x218/0x664
[  429.125981][ T4414]  __arm64_sys_ioctl+0xd0/0x148
[  429.127045][ T4414]  invoke_syscall+0x64/0x174
[  429.128089][ T4414]  el0_svc_common+0xb8/0x174
[  429.129082][ T4414]  do_el0_svc+0x3c/0xec
[  429.129970][ T4414]  el0_svc+0x34/0x110
[  429.130780][ T4414]  el0t_64_sync_handler+0x84/0xf0
[  429.131862][ T4414]  el0t_64_sync+0x18c/0x190
[  429.132907][ T4414] debugfs: out of free dentries, can not create directory 'nbd0'
[  429.134625][ T4414] block nbd0: Failed to create debugfs dir for 'nbd0'
[  429.262181][ T4414] block nbd0: shutting down sockets
[  429.343704][ T4416] FAULT_INJECTION: forcing a failure.
[  429.343704][ T4416] name failslab, interval 1, probability 0, space 0, times 0
[  429.346329][ T4416] CPU: 1 PID: 4416 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  429.348245][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  429.350309][ T4416] Call trace:
[  429.350973][ T4416]  dump_backtrace+0x1c8/0x1f4
[  429.351942][ T4416]  show_stack+0x2c/0x3c
[  429.352870][ T4416]  dump_stack_lvl+0xc0/0x104
[  429.353740][ T4416]  dump_stack+0x1c/0x4c
[  429.354573][ T4416]  should_fail_ex+0x1bc/0x1e0
[  429.355523][ T4416]  __should_failslab+0x64/0x78
[  429.356593][ T4416]  should_failslab+0x10/0x28
[  429.357649][ T4416]  slab_pre_alloc_hook+0x54/0x1f4
[  429.358718][ T4416]  kmem_cache_alloc_lru+0x60/0x2ac
[  429.359786][ T4416]  alloc_inode+0x7c/0x104
[  429.360713][ T4416]  new_inode+0x2c/0xc0
[  429.361687][ T4416]  debugfs_create_dir+0x98/0x1e0
[  429.362633][ T4416]  nbd_start_device+0x1b4/0x510
[  429.363663][ T4416]  nbd_ioctl+0x228/0x66c
[  429.364552][ T4416]  blkdev_ioctl+0x218/0x664
[  429.365488][ T4416]  __arm64_sys_ioctl+0xd0/0x148
[  429.366428][ T4416]  invoke_syscall+0x64/0x174
[  429.367349][ T4416]  el0_svc_common+0xb8/0x174
[  429.368308][ T4416]  do_el0_svc+0x3c/0xec
[  429.369158][ T4416]  el0_svc+0x34/0x110
[  429.369951][ T4416]  el0t_64_sync_handler+0x84/0xf0
[  429.370944][ T4416]  el0t_64_sync+0x18c/0x190
[  429.371933][ T4416] debugfs: out of free dentries, can not create directory 'nbd0'
[  429.373641][ T4416] block nbd0: Failed to create debugfs dir for 'nbd0'
[  429.502622][ T4416] block nbd0: shutting down sockets
[  429.583661][ T4418] FAULT_INJECTION: forcing a failure.
[  429.583661][ T4418] name failslab, interval 1, probability 0, space 0, times 0
[  429.586252][ T4418] CPU: 1 PID: 4418 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  429.588213][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  429.590344][ T4418] Call trace:
[  429.591114][ T4418]  dump_backtrace+0x1c8/0x1f4
[  429.592117][ T4418]  show_stack+0x2c/0x3c
[  429.593131][ T4418]  dump_stack_lvl+0xc0/0x104
[  429.594130][ T4418]  dump_stack+0x1c/0x4c
[  429.594967][ T4418]  should_fail_ex+0x1bc/0x1e0
[  429.596004][ T4418]  __should_failslab+0x64/0x78
[  429.597046][ T4418]  should_failslab+0x10/0x28
[  429.598176][ T4418]  slab_pre_alloc_hook+0x54/0x1f4
[  429.599422][ T4418]  kmem_cache_alloc_lru+0x60/0x2ac
[  429.600426][ T4418]  alloc_inode+0x7c/0x104
[  429.601309][ T4418]  new_inode+0x2c/0xc0
[  429.602211][ T4418]  debugfs_create_dir+0x98/0x1e0
[  429.603154][ T4418]  nbd_start_device+0x1b4/0x510
[  429.604142][ T4418]  nbd_ioctl+0x228/0x66c
[  429.605037][ T4418]  blkdev_ioctl+0x218/0x664
[  429.605906][ T4418]  __arm64_sys_ioctl+0xd0/0x148
[  429.606941][ T4418]  invoke_syscall+0x64/0x174
[  429.607885][ T4418]  el0_svc_common+0xb8/0x174
[  429.608824][ T4418]  do_el0_svc+0x3c/0xec
[  429.609847][ T4418]  el0_svc+0x34/0x110
[  429.610698][ T4418]  el0t_64_sync_handler+0x84/0xf0
[  429.611757][ T4418]  el0t_64_sync+0x18c/0x190
[  429.612718][ T4418] debugfs: out of free dentries, can not create directory 'nbd0'
[  429.614358][ T4418] block nbd0: Failed to create debugfs dir for 'nbd0'
[  429.742121][ T4418] block nbd0: shutting down sockets
[  429.823720][ T4420] FAULT_INJECTION: forcing a failure.
[  429.823720][ T4420] name failslab, interval 1, probability 0, space 0, times 0
[  429.826409][ T4420] CPU: 1 PID: 4420 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  429.828473][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  429.830596][ T4420] Call trace:
[  429.831241][ T4420]  dump_backtrace+0x1c8/0x1f4
[  429.832209][ T4420]  show_stack+0x2c/0x3c
[  429.833042][ T4420]  dump_stack_lvl+0xc0/0x104
[  429.834122][ T4420]  dump_stack+0x1c/0x4c
[  429.835021][ T4420]  should_fail_ex+0x1bc/0x1e0
[  429.836149][ T4420]  __should_failslab+0x64/0x78
[  429.837160][ T4420]  should_failslab+0x10/0x28
[  429.838092][ T4420]  slab_pre_alloc_hook+0x54/0x1f4
[  429.839147][ T4420]  kmem_cache_alloc_lru+0x60/0x2ac
[  429.840294][ T4420]  alloc_inode+0x7c/0x104
[  429.841161][ T4420]  new_inode+0x2c/0xc0
[  429.842168][ T4420]  debugfs_create_dir+0x98/0x1e0
[  429.843326][ T4420]  nbd_start_device+0x1b4/0x510
[  429.844295][ T4420]  nbd_ioctl+0x228/0x66c
[  429.845202][ T4420]  blkdev_ioctl+0x218/0x664
[  429.846209][ T4420]  __arm64_sys_ioctl+0xd0/0x148
[  429.847258][ T4420]  invoke_syscall+0x64/0x174
[  429.848251][ T4420]  el0_svc_common+0xb8/0x174
[  429.849239][ T4420]  do_el0_svc+0x3c/0xec
[  429.850201][ T4420]  el0_svc+0x34/0x110
[  429.851057][ T4420]  el0t_64_sync_handler+0x84/0xf0
[  429.852273][ T4420]  el0t_64_sync+0x18c/0x190
[  429.853129][ T4420] debugfs: out of free dentries, can not create directory 'nbd0'
[  429.854832][ T4420] block nbd0: Failed to create debugfs dir for 'nbd0'
[  429.982479][ T4420] block nbd0: shutting down sockets
[  430.063674][ T4422] FAULT_INJECTION: forcing a failure.
[  430.063674][ T4422] name failslab, interval 1, probability 0, space 0, times 0
[  430.066517][ T4422] CPU: 0 PID: 4422 Comm: syz-executor467 Tainted: G        W          6.1.127-syzkaller #0
[  430.068739][ T4422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  430.070843][ T4422] Call trace:
[  430.071470][ T4422]  dump_backtrace+0x1c8/0x1f4
[  430.072483][ T4422]  show_stack+0x2c/0x3c
[  430.073313][ T4422]  dump_stack_lvl+0xc0/0x104
[  430.074332][ T4422]  dump_stack+0x1c/0x4c
[  430.075291][ T4422]  should_fail_ex+0x1bc/0x1e0
[  430.076188][ T4422]  __should_failslab+0x64/0x78
[  430.077329][ T4422]  should_failslab+0x10/0x28
[  430.078202][ T4422]  slab_pre_alloc_hook+0x54/0x1f4
[  430.079284][ T4422]  kmem_cache_alloc_lru+0x60/0x2ac
[  430.080497][ T4422]  alloc_inode+0x7c/0x104
[  430.081471][ T4422]  new_inode+0x2c/0xc0
[  430.082461][ T4422]  debugfs_create_dir+0x98/0x1e0
[  430.083590][ T4422]  nbd_start_device+0x1b4/0x510
[  430.084603][ T4422]  nbd_ioctl+0x228/0x66c
[  430.085517][ T4422]  blkdev_ioctl+0x218/0x664
[  430.086545][ T4422]  __arm64_sys_ioctl+0xd0/0x148
[  430.087429][ T4422]  invoke_syscall+0x64/0x174
[  430.088466][ T4422]  el0_svc_common+0xb8/0x174
[  430.089567][ T4422]  do_el0_svc+0x3c/0xec
[  430.090505][ T4422]  el0_svc+0x34/0x110
[  430.091371][ T4422]  el0t_64_sync_handler+0x84/0xf0
[  430.092458][ T4422]  el0t_64_sync+0x18c/0x190
[  430.093513][ T4422] debugfs: out of free dentries, can not create directory 'nbd0'
[  430.095079][ T4422] block nbd0: Failed to create debugfs dir for 'nbd0'