[ 402.847686][ T3241] block nbd0: Receive control failed (result -32) [ 402.847699][ T4309] block nbd0: shutting down sockets [ 403.034401][ T4314] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 403.693400][ T3241] block nbd0: Receive control failed (result -32) [ 403.693416][ T43] block nbd0: Receive control failed (result -32) [ 403.695587][ T4314] block nbd0: shutting down sockets [ 403.833781][ T4316] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 404.537889][ T43] block nbd0: Receive control failed (result -32) [ 404.537895][ T3241] block nbd0: Receive control failed (result -32) [ 404.539038][ T4316] block nbd0: shutting down sockets [ 404.664091][ T4318] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 405.381610][ T43] block nbd0: Receive control failed (result -32) [ 405.381648][ T3241] block nbd0: Receive control failed (result -32) [ 405.383790][ T4318] block nbd0: shutting down sockets [ 405.514682][ T4320] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 406.225796][ T3241] block nbd0: Receive control failed (result -32) [ 406.225803][ T43] block nbd0: Receive control failed (result -32) [ 406.226477][ T4320] block nbd0: shutting down sockets [ 406.583456][ T1363] device bridge_slave_1 left promiscuous mode [ 406.585239][ T1363] bridge0: port 2(bridge_slave_1) entered disabled state [ 406.642769][ T1363] device bridge_slave_0 left promiscuous mode [ 406.644545][ T1363] bridge0: port 1(bridge_slave_0) entered disabled state [ 406.683073][ T1363] device veth0_macvtap left promiscuous mode [ 406.684752][ T1363] device veth1_vlan left promiscuous mode [ 406.686228][ T1363] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.100' (ED25519) to the list of known hosts. [ 407.902789][ T4327] FAULT_INJECTION: forcing a failure. [ 407.902789][ T4327] name failslab, interval 1, probability 0, space 0, times 0 [ 407.906397][ T4327] CPU: 0 PID: 4327 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 407.908529][ T4327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 407.911131][ T4327] Call trace: [ 407.911993][ T4327] dump_backtrace+0x1c8/0x1f4 [ 407.913264][ T4327] show_stack+0x2c/0x3c [ 407.914325][ T4327] dump_stack_lvl+0xc0/0x104 [ 407.915562][ T4327] dump_stack+0x1c/0x4c [ 407.916688][ T4327] should_fail_ex+0x1bc/0x1e0 [ 407.917918][ T4327] __should_failslab+0x64/0x78 [ 407.919195][ T4327] should_failslab+0x10/0x28 [ 407.920465][ T4327] __kmem_cache_alloc_node+0x6c/0x348 [ 407.921860][ T4327] __kmalloc+0x98/0xd8 [ 407.922911][ T4327] tomoyo_supervisor+0x700/0x888 [ 407.924227][ T4327] tomoyo_path_number_perm+0x200/0x2a8 [ 407.925702][ T4327] tomoyo_file_ioctl+0x2c/0x3c [ 407.926961][ T4327] security_file_ioctl+0x4c/0x8c [ 407.928187][ T4327] __arm64_sys_ioctl+0x5c/0x148 [ 407.929437][ T4327] invoke_syscall+0x64/0x178 [ 407.930645][ T4327] el0_svc_common+0xb8/0x174 [ 407.931869][ T4327] do_el0_svc+0x48/0x174 [ 407.932989][ T4327] el0_svc+0x34/0x110 [ 407.934018][ T4327] el0t_64_sync_handler+0x84/0xf0 [ 407.935383][ T4327] el0t_64_sync+0x18c/0x190 [ 408.060736][ T4327] block nbd0: shutting down sockets [ 408.142736][ T4329] FAULT_INJECTION: forcing a failure. [ 408.142736][ T4329] name failslab, interval 1, probability 0, space 0, times 0 [ 408.146137][ T4329] CPU: 0 PID: 4329 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 408.148352][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 408.150904][ T4329] Call trace: [ 408.151753][ T4329] dump_backtrace+0x1c8/0x1f4 [ 408.152978][ T4329] show_stack+0x2c/0x3c [ 408.154075][ T4329] dump_stack_lvl+0xc0/0x104 [ 408.155305][ T4329] dump_stack+0x1c/0x4c [ 408.156385][ T4329] should_fail_ex+0x1bc/0x1e0 [ 408.157602][ T4329] __should_failslab+0x64/0x78 [ 408.158803][ T4329] should_failslab+0x10/0x28 [ 408.160025][ T4329] __kmem_cache_alloc_node+0x6c/0x348 [ 408.161403][ T4329] __kmalloc+0x98/0xd8 [ 408.162450][ T4329] tomoyo_supervisor+0x700/0x888 [ 408.163752][ T4329] tomoyo_path_number_perm+0x200/0x2a8 [ 408.165199][ T4329] tomoyo_file_ioctl+0x2c/0x3c [ 408.166478][ T4329] security_file_ioctl+0x4c/0x8c [ 408.167809][ T4329] __arm64_sys_ioctl+0x5c/0x148 [ 408.169068][ T4329] invoke_syscall+0x64/0x178 [ 408.170294][ T4329] el0_svc_common+0xb8/0x174 [ 408.171565][ T4329] do_el0_svc+0x48/0x174 [ 408.172718][ T4329] el0_svc+0x34/0x110 [ 408.173743][ T4329] el0t_64_sync_handler+0x84/0xf0 [ 408.175035][ T4329] el0t_64_sync+0x18c/0x190 [ 408.300579][ T4329] block nbd0: shutting down sockets [ 408.382721][ T4331] FAULT_INJECTION: forcing a failure. [ 408.382721][ T4331] name failslab, interval 1, probability 0, space 0, times 0 [ 408.386119][ T4331] CPU: 0 PID: 4331 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 408.388297][ T4331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 408.390919][ T4331] Call trace: [ 408.391748][ T4331] dump_backtrace+0x1c8/0x1f4 [ 408.392965][ T4331] show_stack+0x2c/0x3c [ 408.394081][ T4331] dump_stack_lvl+0xc0/0x104 [ 408.395376][ T4331] dump_stack+0x1c/0x4c [ 408.396484][ T4331] should_fail_ex+0x1bc/0x1e0 [ 408.397747][ T4331] __should_failslab+0x64/0x78 [ 408.398972][ T4331] should_failslab+0x10/0x28 [ 408.400175][ T4331] __kmem_cache_alloc_node+0x6c/0x348 [ 408.401658][ T4331] __kmalloc+0x98/0xd8 [ 408.402782][ T4331] tomoyo_supervisor+0x700/0x888 [ 408.404110][ T4331] tomoyo_path_number_perm+0x200/0x2a8 [ 408.405605][ T4331] tomoyo_file_ioctl+0x2c/0x3c [ 408.406877][ T4331] security_file_ioctl+0x4c/0x8c [ 408.408195][ T4331] __arm64_sys_ioctl+0x5c/0x148 [ 408.409524][ T4331] invoke_syscall+0x64/0x178 [ 408.410723][ T4331] el0_svc_common+0xb8/0x174 [ 408.411919][ T4331] do_el0_svc+0x48/0x174 [ 408.413063][ T4331] el0_svc+0x34/0x110 [ 408.414077][ T4331] el0t_64_sync_handler+0x84/0xf0 [ 408.415437][ T4331] el0t_64_sync+0x18c/0x190 [ 408.540154][ T4331] block nbd0: shutting down sockets [ 408.622737][ T4333] FAULT_INJECTION: forcing a failure. [ 408.622737][ T4333] name failslab, interval 1, probability 0, space 0, times 0 [ 408.626074][ T4333] CPU: 0 PID: 4333 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 408.628319][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 408.630926][ T4333] Call trace: [ 408.631760][ T4333] dump_backtrace+0x1c8/0x1f4 [ 408.632958][ T4333] show_stack+0x2c/0x3c [ 408.634028][ T4333] dump_stack_lvl+0xc0/0x104 [ 408.635224][ T4333] dump_stack+0x1c/0x4c [ 408.636387][ T4333] should_fail_ex+0x1bc/0x1e0 [ 408.637598][ T4333] __should_failslab+0x64/0x78 [ 408.638893][ T4333] should_failslab+0x10/0x28 [ 408.640145][ T4333] __kmem_cache_alloc_node+0x6c/0x348 [ 408.641574][ T4333] __kmalloc+0x98/0xd8 [ 408.642645][ T4333] tomoyo_supervisor+0x700/0x888 [ 408.643945][ T4333] tomoyo_path_number_perm+0x200/0x2a8 [ 408.645406][ T4333] tomoyo_file_ioctl+0x2c/0x3c [ 408.646649][ T4333] security_file_ioctl+0x4c/0x8c [ 408.647925][ T4333] __arm64_sys_ioctl+0x5c/0x148 [ 408.649184][ T4333] invoke_syscall+0x64/0x178 [ 408.650404][ T4333] el0_svc_common+0xb8/0x174 [ 408.651562][ T4333] do_el0_svc+0x48/0x174 [ 408.652704][ T4333] el0_svc+0x34/0x110 [ 408.653758][ T4333] el0t_64_sync_handler+0x84/0xf0 [ 408.655119][ T4333] el0t_64_sync+0x18c/0x190 [ 408.780657][ T4333] block nbd0: shutting down sockets [ 408.862784][ T4335] FAULT_INJECTION: forcing a failure. [ 408.862784][ T4335] name failslab, interval 1, probability 0, space 0, times 0 [ 408.866104][ T4335] CPU: 0 PID: 4335 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 408.868373][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 408.871084][ T4335] Call trace: [ 408.871953][ T4335] dump_backtrace+0x1c8/0x1f4 [ 408.873227][ T4335] show_stack+0x2c/0x3c [ 408.874305][ T4335] dump_stack_lvl+0xc0/0x104 [ 408.875537][ T4335] dump_stack+0x1c/0x4c [ 408.876614][ T4335] should_fail_ex+0x1bc/0x1e0 [ 408.877868][ T4335] __should_failslab+0x64/0x78 [ 408.879181][ T4335] should_failslab+0x10/0x28 [ 408.880408][ T4335] __kmem_cache_alloc_node+0x6c/0x348 [ 408.881820][ T4335] __kmalloc+0x98/0xd8 [ 408.882914][ T4335] tomoyo_supervisor+0x700/0x888 [ 408.884278][ T4335] tomoyo_path_number_perm+0x200/0x2a8 [ 408.885796][ T4335] tomoyo_file_ioctl+0x2c/0x3c [ 408.887004][ T4335] security_file_ioctl+0x4c/0x8c [ 408.888294][ T4335] __arm64_sys_ioctl+0x5c/0x148 [ 408.889580][ T4335] invoke_syscall+0x64/0x178 [ 408.890827][ T4335] el0_svc_common+0xb8/0x174 [ 408.892071][ T4335] do_el0_svc+0x48/0x174 [ 408.893161][ T4335] el0_svc+0x34/0x110 [ 408.894165][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 408.895537][ T4335] el0t_64_sync+0x18c/0x190 [ 409.020223][ T4335] block nbd0: shutting down sockets [ 409.102752][ T4337] FAULT_INJECTION: forcing a failure. [ 409.102752][ T4337] name failslab, interval 1, probability 0, space 0, times 0 [ 409.106187][ T4337] CPU: 0 PID: 4337 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 409.108270][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 409.110857][ T4337] Call trace: [ 409.111746][ T4337] dump_backtrace+0x1c8/0x1f4 [ 409.113001][ T4337] show_stack+0x2c/0x3c [ 409.114143][ T4337] dump_stack_lvl+0xc0/0x104 [ 409.115356][ T4337] dump_stack+0x1c/0x4c [ 409.116493][ T4337] should_fail_ex+0x1bc/0x1e0 [ 409.117763][ T4337] __should_failslab+0x64/0x78 [ 409.119029][ T4337] should_failslab+0x10/0x28 [ 409.120282][ T4337] __kmem_cache_alloc_node+0x6c/0x348 [ 409.121710][ T4337] __kmalloc+0x98/0xd8 [ 409.122772][ T4337] tomoyo_supervisor+0x700/0x888 [ 409.124141][ T4337] tomoyo_path_number_perm+0x200/0x2a8 [ 409.125638][ T4337] tomoyo_file_ioctl+0x2c/0x3c [ 409.126951][ T4337] security_file_ioctl+0x4c/0x8c [ 409.128281][ T4337] __arm64_sys_ioctl+0x5c/0x148 [ 409.129596][ T4337] invoke_syscall+0x64/0x178 [ 409.130832][ T4337] el0_svc_common+0xb8/0x174 [ 409.132064][ T4337] do_el0_svc+0x48/0x174 [ 409.133187][ T4337] el0_svc+0x34/0x110 [ 409.134288][ T4337] el0t_64_sync_handler+0x84/0xf0 [ 409.135674][ T4337] el0t_64_sync+0x18c/0x190 [ 409.260929][ T4337] block nbd0: shutting down sockets [ 409.332771][ T4339] FAULT_INJECTION: forcing a failure. [ 409.332771][ T4339] name failslab, interval 1, probability 0, space 0, times 0 [ 409.336074][ T4339] CPU: 0 PID: 4339 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 409.338208][ T4339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 409.340898][ T4339] Call trace: [ 409.341780][ T4339] dump_backtrace+0x1c8/0x1f4 [ 409.343044][ T4339] show_stack+0x2c/0x3c [ 409.344141][ T4339] dump_stack_lvl+0xc0/0x104 [ 409.345421][ T4339] dump_stack+0x1c/0x4c [ 409.346522][ T4339] should_fail_ex+0x1bc/0x1e0 [ 409.347794][ T4339] __should_failslab+0x64/0x78 [ 409.349072][ T4339] should_failslab+0x10/0x28 [ 409.350325][ T4339] __kmem_cache_alloc_node+0x6c/0x348 [ 409.351733][ T4339] __kmalloc+0x98/0xd8 [ 409.352798][ T4339] tomoyo_supervisor+0x700/0x888 [ 409.354101][ T4339] tomoyo_path_number_perm+0x200/0x2a8 [ 409.355590][ T4339] tomoyo_file_ioctl+0x2c/0x3c [ 409.356867][ T4339] security_file_ioctl+0x4c/0x8c [ 409.358241][ T4339] __arm64_sys_ioctl+0x5c/0x148 [ 409.359544][ T4339] invoke_syscall+0x64/0x178 [ 409.360782][ T4339] el0_svc_common+0xb8/0x174 [ 409.362093][ T4339] do_el0_svc+0x48/0x174 [ 409.363208][ T4339] el0_svc+0x34/0x110 [ 409.364302][ T4339] el0t_64_sync_handler+0x84/0xf0 [ 409.365697][ T4339] el0t_64_sync+0x18c/0x190 [ 409.490684][ T4339] block nbd0: shutting down sockets [ 409.583926][ T4342] FAULT_INJECTION: forcing a failure. [ 409.583926][ T4342] name failslab, interval 1, probability 0, space 0, times 0 [ 409.587242][ T4342] CPU: 0 PID: 4342 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 409.589513][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 409.592088][ T4342] Call trace: [ 409.592929][ T4342] dump_backtrace+0x1c8/0x1f4 [ 409.594176][ T4342] show_stack+0x2c/0x3c [ 409.595265][ T4342] dump_stack_lvl+0xc0/0x104 [ 409.596594][ T4342] dump_stack+0x1c/0x4c [ 409.597762][ T4342] should_fail_ex+0x1bc/0x1e0 [ 409.599049][ T4342] __should_failslab+0x64/0x78 [ 409.600373][ T4342] should_failslab+0x10/0x28 [ 409.601600][ T4342] __kmem_cache_alloc_node+0x6c/0x348 [ 409.603060][ T4342] __kmalloc+0x98/0xd8 [ 409.604151][ T4342] tomoyo_supervisor+0x700/0x888 [ 409.605498][ T4342] tomoyo_path_number_perm+0x200/0x2a8 [ 409.607027][ T4342] tomoyo_file_ioctl+0x2c/0x3c [ 409.608393][ T4342] security_file_ioctl+0x4c/0x8c [ 409.609732][ T4342] __arm64_sys_ioctl+0x5c/0x148 [ 409.611045][ T4342] invoke_syscall+0x64/0x178 [ 409.612397][ T4342] el0_svc_common+0xb8/0x174 [ 409.613659][ T4342] do_el0_svc+0x48/0x174 [ 409.614826][ T4342] el0_svc+0x34/0x110 [ 409.615877][ T4342] el0t_64_sync_handler+0x84/0xf0 [ 409.617233][ T4342] el0t_64_sync+0x18c/0x190 [ 409.741707][ T4342] block nbd0: shutting down sockets [ 409.851752][ T4344] FAULT_INJECTION: forcing a failure. [ 409.851752][ T4344] name failslab, interval 1, probability 0, space 0, times 0 [ 409.855206][ T4344] CPU: 1 PID: 4344 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 409.857405][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 409.860086][ T4344] Call trace: [ 409.860900][ T4344] dump_backtrace+0x1c8/0x1f4 [ 409.862131][ T4344] show_stack+0x2c/0x3c [ 409.862451][ T4345] block nbd0: Device being setup by another task [ 409.863234][ T4344] dump_stack_lvl+0xc0/0x104 [ 409.866134][ T4344] dump_stack+0x1c/0x4c [ 409.867236][ T4344] should_fail_ex+0x1bc/0x1e0 [ 409.868593][ T4344] __should_failslab+0x64/0x78 [ 409.869822][ T4344] should_failslab+0x10/0x28 [ 409.871069][ T4344] __kmem_cache_alloc_node+0x6c/0x348 [ 409.872526][ T4344] __kmalloc+0x98/0xd8 [ 409.873622][ T4344] tomoyo_supervisor+0x700/0x888 [ 409.874936][ T4344] tomoyo_path_number_perm+0x200/0x2a8 [ 409.876410][ T4344] tomoyo_file_ioctl+0x2c/0x3c [ 409.877697][ T4344] security_file_ioctl+0x4c/0x8c [ 409.879001][ T4344] __arm64_sys_ioctl+0x5c/0x148 [ 409.880315][ T4344] invoke_syscall+0x64/0x178 [ 409.881584][ T4344] el0_svc_common+0xb8/0x174 [ 409.882772][ T4344] do_el0_svc+0x48/0x174 [ 409.883876][ T4344] el0_svc+0x34/0x110 [ 409.884962][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 409.886334][ T4344] el0t_64_sync+0x18c/0x190 [ 410.009348][ T4344] block nbd0: shutting down sockets [ 410.092774][ T4347] FAULT_INJECTION: forcing a failure. [ 410.092774][ T4347] name failslab, interval 1, probability 0, space 0, times 0 [ 410.096141][ T4347] CPU: 1 PID: 4347 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 410.098343][ T4347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 410.100973][ T4347] Call trace: [ 410.101778][ T4347] dump_backtrace+0x1c8/0x1f4 [ 410.102970][ T4347] show_stack+0x2c/0x3c [ 410.104109][ T4347] dump_stack_lvl+0xc0/0x104 [ 410.105354][ T4347] dump_stack+0x1c/0x4c [ 410.106474][ T4347] should_fail_ex+0x1bc/0x1e0 [ 410.107790][ T4347] __should_failslab+0x64/0x78 [ 410.109007][ T4347] should_failslab+0x10/0x28 [ 410.110244][ T4347] __kmem_cache_alloc_node+0x6c/0x348 [ 410.111714][ T4347] __kmalloc+0x98/0xd8 [ 410.112827][ T4347] tomoyo_supervisor+0x700/0x888 [ 410.114066][ T4347] tomoyo_path_number_perm+0x200/0x2a8 [ 410.115528][ T4347] tomoyo_file_ioctl+0x2c/0x3c [ 410.116795][ T4347] security_file_ioctl+0x4c/0x8c [ 410.118079][ T4347] __arm64_sys_ioctl+0x5c/0x148 [ 410.119348][ T4347] invoke_syscall+0x64/0x178 [ 410.120587][ T4347] el0_svc_common+0xb8/0x174 [ 410.121789][ T4347] do_el0_svc+0x48/0x174 [ 410.122937][ T4347] el0_svc+0x34/0x110 [ 410.123964][ T4347] el0t_64_sync_handler+0x84/0xf0 [ 410.125365][ T4347] el0t_64_sync+0x18c/0x190 [ 410.250290][ T4347] block nbd0: shutting down sockets [ 410.332758][ T4349] FAULT_INJECTION: forcing a failure. [ 410.332758][ T4349] name failslab, interval 1, probability 0, space 0, times 0 [ 410.336200][ T4349] CPU: 1 PID: 4349 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 410.338527][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 410.341213][ T4349] Call trace: [ 410.342033][ T4349] dump_backtrace+0x1c8/0x1f4 [ 410.343272][ T4349] show_stack+0x2c/0x3c [ 410.344371][ T4349] dump_stack_lvl+0xc0/0x104 [ 410.345595][ T4349] dump_stack+0x1c/0x4c [ 410.346723][ T4349] should_fail_ex+0x1bc/0x1e0 [ 410.347893][ T4349] __should_failslab+0x64/0x78 [ 410.349185][ T4349] should_failslab+0x10/0x28 [ 410.350424][ T4349] __kmem_cache_alloc_node+0x6c/0x348 [ 410.351869][ T4349] __kmalloc+0x98/0xd8 [ 410.352947][ T4349] tomoyo_supervisor+0x700/0x888 [ 410.354285][ T4349] tomoyo_path_number_perm+0x200/0x2a8 [ 410.355744][ T4349] tomoyo_file_ioctl+0x2c/0x3c [ 410.356990][ T4349] security_file_ioctl+0x4c/0x8c [ 410.358334][ T4349] __arm64_sys_ioctl+0x5c/0x148 [ 410.359611][ T4349] invoke_syscall+0x64/0x178 [ 410.360799][ T4349] el0_svc_common+0xb8/0x174 [ 410.362001][ T4349] do_el0_svc+0x48/0x174 [ 410.363131][ T4349] el0_svc+0x34/0x110 [ 410.364236][ T4349] el0t_64_sync_handler+0x84/0xf0 [ 410.365652][ T4349] el0t_64_sync+0x18c/0x190 [ 410.490521][ T4349] block nbd0: shutting down sockets [ 410.572755][ T4351] FAULT_INJECTION: forcing a failure. [ 410.572755][ T4351] name failslab, interval 1, probability 0, space 0, times 0 [ 410.576111][ T4351] CPU: 1 PID: 4351 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 410.578339][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 410.581051][ T4351] Call trace: [ 410.581923][ T4351] dump_backtrace+0x1c8/0x1f4 [ 410.583151][ T4351] show_stack+0x2c/0x3c [ 410.584272][ T4351] dump_stack_lvl+0xc0/0x104 [ 410.585510][ T4351] dump_stack+0x1c/0x4c [ 410.586652][ T4351] should_fail_ex+0x1bc/0x1e0 [ 410.587895][ T4351] __should_failslab+0x64/0x78 [ 410.589146][ T4351] should_failslab+0x10/0x28 [ 410.590379][ T4351] __kmem_cache_alloc_node+0x6c/0x348 [ 410.591779][ T4351] __kmalloc+0x98/0xd8 [ 410.592855][ T4351] tomoyo_supervisor+0x700/0x888 [ 410.594215][ T4351] tomoyo_path_number_perm+0x200/0x2a8 [ 410.595718][ T4351] tomoyo_file_ioctl+0x2c/0x3c [ 410.597050][ T4351] security_file_ioctl+0x4c/0x8c [ 410.598452][ T4351] __arm64_sys_ioctl+0x5c/0x148 [ 410.599704][ T4351] invoke_syscall+0x64/0x178 [ 410.600977][ T4351] el0_svc_common+0xb8/0x174 [ 410.602224][ T4351] do_el0_svc+0x48/0x174 [ 410.603328][ T4351] el0_svc+0x34/0x110 [ 410.604396][ T4351] el0t_64_sync_handler+0x84/0xf0 [ 410.605790][ T4351] el0t_64_sync+0x18c/0x190 [ 410.730480][ T4351] block nbd0: shutting down sockets [ 410.812708][ T4353] FAULT_INJECTION: forcing a failure. [ 410.812708][ T4353] name failslab, interval 1, probability 0, space 0, times 0 [ 410.816099][ T4353] CPU: 1 PID: 4353 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 410.818283][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 410.820879][ T4353] Call trace: [ 410.821676][ T4353] dump_backtrace+0x1c8/0x1f4 [ 410.822893][ T4353] show_stack+0x2c/0x3c [ 410.824017][ T4353] dump_stack_lvl+0xc0/0x104 [ 410.825275][ T4353] dump_stack+0x1c/0x4c [ 410.826349][ T4353] should_fail_ex+0x1bc/0x1e0 [ 410.827568][ T4353] __should_failslab+0x64/0x78 [ 410.828818][ T4353] should_failslab+0x10/0x28 [ 410.829993][ T4353] __kmem_cache_alloc_node+0x6c/0x348 [ 410.831400][ T4353] __kmalloc+0x98/0xd8 [ 410.832486][ T4353] tomoyo_supervisor+0x700/0x888 [ 410.833770][ T4353] tomoyo_path_number_perm+0x200/0x2a8 [ 410.835162][ T4353] tomoyo_file_ioctl+0x2c/0x3c [ 410.836429][ T4353] security_file_ioctl+0x4c/0x8c [ 410.837746][ T4353] __arm64_sys_ioctl+0x5c/0x148 [ 410.839006][ T4353] invoke_syscall+0x64/0x178 [ 410.840204][ T4353] el0_svc_common+0xb8/0x174 [ 410.841453][ T4353] do_el0_svc+0x48/0x174 [ 410.842566][ T4353] el0_svc+0x34/0x110 [ 410.843615][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 410.844930][ T4353] el0t_64_sync+0x18c/0x190 [ 410.970915][ T4353] block nbd0: shutting down sockets [ 411.063895][ T4356] FAULT_INJECTION: forcing a failure. [ 411.063895][ T4356] name failslab, interval 1, probability 0, space 0, times 0 [ 411.067439][ T4356] CPU: 0 PID: 4356 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 411.069622][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 411.072204][ T4356] Call trace: [ 411.073049][ T4356] dump_backtrace+0x1c8/0x1f4 [ 411.074346][ T4356] show_stack+0x2c/0x3c [ 411.075421][ T4356] dump_stack_lvl+0xc0/0x104 [ 411.076588][ T4356] dump_stack+0x1c/0x4c [ 411.077711][ T4356] should_fail_ex+0x1bc/0x1e0 [ 411.078988][ T4356] __should_failslab+0x64/0x78 [ 411.080273][ T4356] should_failslab+0x10/0x28 [ 411.081568][ T4356] __kmem_cache_alloc_node+0x6c/0x348 [ 411.082987][ T4356] __kmalloc+0x98/0xd8 [ 411.084079][ T4356] tomoyo_supervisor+0x700/0x888 [ 411.085404][ T4356] tomoyo_path_number_perm+0x200/0x2a8 [ 411.086882][ T4356] tomoyo_file_ioctl+0x2c/0x3c [ 411.088118][ T4356] security_file_ioctl+0x4c/0x8c [ 411.089435][ T4356] __arm64_sys_ioctl+0x5c/0x148 [ 411.090708][ T4356] invoke_syscall+0x64/0x178 [ 411.091950][ T4356] el0_svc_common+0xb8/0x174 [ 411.093173][ T4356] do_el0_svc+0x48/0x174 [ 411.094258][ T4356] el0_svc+0x34/0x110 [ 411.095342][ T4356] el0t_64_sync_handler+0x84/0xf0 [ 411.096670][ T4356] el0t_64_sync+0x18c/0x190 [ 411.221694][ T4356] block nbd0: shutting down sockets [ 411.312753][ T4358] FAULT_INJECTION: forcing a failure. [ 411.312753][ T4358] name failslab, interval 1, probability 0, space 0, times 0 [ 411.316230][ T4358] CPU: 1 PID: 4358 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 411.318459][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 411.321124][ T4358] Call trace: [ 411.322007][ T4358] dump_backtrace+0x1c8/0x1f4 [ 411.323240][ T4358] show_stack+0x2c/0x3c [ 411.324337][ T4358] dump_stack_lvl+0xc0/0x104 [ 411.325615][ T4358] dump_stack+0x1c/0x4c [ 411.326737][ T4358] should_fail_ex+0x1bc/0x1e0 [ 411.328049][ T4358] __should_failslab+0x64/0x78 [ 411.329368][ T4358] should_failslab+0x10/0x28 [ 411.330606][ T4358] __kmem_cache_alloc_node+0x6c/0x348 [ 411.332072][ T4358] __kmalloc+0x98/0xd8 [ 411.333143][ T4358] tomoyo_supervisor+0x700/0x888 [ 411.334450][ T4358] tomoyo_path_number_perm+0x200/0x2a8 [ 411.335856][ T4358] tomoyo_file_ioctl+0x2c/0x3c [ 411.337182][ T4358] security_file_ioctl+0x4c/0x8c [ 411.338498][ T4358] __arm64_sys_ioctl+0x5c/0x148 [ 411.339816][ T4358] invoke_syscall+0x64/0x178 [ 411.341013][ T4358] el0_svc_common+0xb8/0x174 [ 411.342237][ T4358] do_el0_svc+0x48/0x174 [ 411.343389][ T4358] el0_svc+0x34/0x110 [ 411.344428][ T4358] el0t_64_sync_handler+0x84/0xf0 [ 411.345730][ T4358] el0t_64_sync+0x18c/0x190 [ 411.470703][ T4358] block nbd0: shutting down sockets [ 411.581748][ T4360] FAULT_INJECTION: forcing a failure. [ 411.581748][ T4360] name failslab, interval 1, probability 0, space 0, times 0 [ 411.582466][ T4361] block nbd0: Device being setup by another task [ 411.585342][ T4360] CPU: 1 PID: 4360 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 411.589295][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 411.592096][ T4360] Call trace: [ 411.593073][ T4360] dump_backtrace+0x1c8/0x1f4 [ 411.594404][ T4360] show_stack+0x2c/0x3c [ 411.595565][ T4360] dump_stack_lvl+0xc0/0x104 [ 411.596814][ T4360] dump_stack+0x1c/0x4c [ 411.597982][ T4360] should_fail_ex+0x1bc/0x1e0 [ 411.599308][ T4360] __should_failslab+0x64/0x78 [ 411.600656][ T4360] should_failslab+0x10/0x28 [ 411.601917][ T4360] __kmem_cache_alloc_node+0x6c/0x348 [ 411.603418][ T4360] __kmalloc+0x98/0xd8 [ 411.604603][ T4360] tomoyo_supervisor+0x700/0x888 [ 411.605940][ T4360] tomoyo_path_number_perm+0x200/0x2a8 [ 411.607396][ T4360] tomoyo_file_ioctl+0x2c/0x3c [ 411.608632][ T4360] security_file_ioctl+0x4c/0x8c [ 411.609946][ T4360] __arm64_sys_ioctl+0x5c/0x148 [ 411.611204][ T4360] invoke_syscall+0x64/0x178 [ 411.612468][ T4360] el0_svc_common+0xb8/0x174 [ 411.613679][ T4360] do_el0_svc+0x48/0x174 [ 411.614824][ T4360] el0_svc+0x34/0x110 [ 411.615879][ T4360] el0t_64_sync_handler+0x84/0xf0 [ 411.617215][ T4360] el0t_64_sync+0x18c/0x190 [ 411.739207][ T4360] block nbd0: shutting down sockets [ 411.843969][ T4364] FAULT_INJECTION: forcing a failure. [ 411.843969][ T4364] name failslab, interval 1, probability 0, space 0, times 0 [ 411.847228][ T4364] CPU: 1 PID: 4364 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 411.849430][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 411.851985][ T4364] Call trace: [ 411.852792][ T4364] dump_backtrace+0x1c8/0x1f4 [ 411.854015][ T4364] show_stack+0x2c/0x3c [ 411.855134][ T4364] dump_stack_lvl+0xc0/0x104 [ 411.856328][ T4364] dump_stack+0x1c/0x4c [ 411.857428][ T4364] should_fail_ex+0x1bc/0x1e0 [ 411.858686][ T4364] __should_failslab+0x64/0x78 [ 411.859976][ T4364] should_failslab+0x10/0x28 [ 411.861238][ T4364] __kmem_cache_alloc_node+0x6c/0x348 [ 411.862639][ T4364] __kmalloc+0x98/0xd8 [ 411.863674][ T4364] tomoyo_supervisor+0x700/0x888 [ 411.864982][ T4364] tomoyo_path_number_perm+0x200/0x2a8 [ 411.866436][ T4364] tomoyo_file_ioctl+0x2c/0x3c [ 411.867670][ T4364] security_file_ioctl+0x4c/0x8c [ 411.868970][ T4364] __arm64_sys_ioctl+0x5c/0x148 [ 411.870282][ T4364] invoke_syscall+0x64/0x178 [ 411.871510][ T4364] el0_svc_common+0xb8/0x174 [ 411.872771][ T4364] do_el0_svc+0x48/0x174 [ 411.873935][ T4364] el0_svc+0x34/0x110 [ 411.874987][ T4364] el0t_64_sync_handler+0x84/0xf0 [ 411.876363][ T4364] el0t_64_sync+0x18c/0x190 [ 412.001395][ T4364] block nbd0: shutting down sockets [ 412.102484][ T4367] block nbd0: Device being setup by another task [ 412.104745][ T4366] FAULT_INJECTION: forcing a failure. [ 412.104745][ T4366] name failslab, interval 1, probability 0, space 0, times 0 [ 412.108054][ T4366] CPU: 0 PID: 4366 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 412.110355][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 412.113012][ T4366] Call trace: [ 412.113960][ T4366] dump_backtrace+0x1c8/0x1f4 [ 412.115275][ T4366] show_stack+0x2c/0x3c [ 412.116466][ T4366] dump_stack_lvl+0xc0/0x104 [ 412.117689][ T4366] dump_stack+0x1c/0x4c [ 412.118773][ T4366] should_fail_ex+0x1bc/0x1e0 [ 412.120043][ T4366] __should_failslab+0x64/0x78 [ 412.121321][ T4366] should_failslab+0x10/0x28 [ 412.122568][ T4366] __kmem_cache_alloc_node+0x6c/0x348 [ 412.124019][ T4366] __kmalloc+0x98/0xd8 [ 412.125136][ T4366] tomoyo_supervisor+0x700/0x888 [ 412.126520][ T4366] tomoyo_path_number_perm+0x200/0x2a8 [ 412.128011][ T4366] tomoyo_file_ioctl+0x2c/0x3c [ 412.129340][ T4366] security_file_ioctl+0x4c/0x8c [ 412.130657][ T4366] __arm64_sys_ioctl+0x5c/0x148 [ 412.131974][ T4366] invoke_syscall+0x64/0x178 [ 412.133199][ T4366] el0_svc_common+0xb8/0x174 [ 412.134412][ T4366] do_el0_svc+0x48/0x174 [ 412.135523][ T4366] el0_svc+0x34/0x110 [ 412.136596][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 412.137935][ T4366] el0t_64_sync+0x18c/0x190 [ 412.261397][ T4366] block nbd0: shutting down sockets [ 412.352738][ T4369] FAULT_INJECTION: forcing a failure. [ 412.352738][ T4369] name failslab, interval 1, probability 0, space 0, times 0 [ 412.356083][ T4369] CPU: 0 PID: 4369 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 412.358216][ T4369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 412.360717][ T4369] Call trace: [ 412.361522][ T4369] dump_backtrace+0x1c8/0x1f4 [ 412.362734][ T4369] show_stack+0x2c/0x3c [ 412.363809][ T4369] dump_stack_lvl+0xc0/0x104 [ 412.364990][ T4369] dump_stack+0x1c/0x4c [ 412.366088][ T4369] should_fail_ex+0x1bc/0x1e0 [ 412.367294][ T4369] __should_failslab+0x64/0x78 [ 412.368516][ T4369] should_failslab+0x10/0x28 [ 412.369735][ T4369] __kmem_cache_alloc_node+0x6c/0x348 [ 412.371197][ T4369] __kmalloc+0x98/0xd8 [ 412.372292][ T4369] tomoyo_supervisor+0x700/0x888 [ 412.373635][ T4369] tomoyo_path_number_perm+0x200/0x2a8 [ 412.375168][ T4369] tomoyo_file_ioctl+0x2c/0x3c [ 412.376462][ T4369] security_file_ioctl+0x4c/0x8c [ 412.377799][ T4369] __arm64_sys_ioctl+0x5c/0x148 [ 412.379078][ T4369] invoke_syscall+0x64/0x178 [ 412.380363][ T4369] el0_svc_common+0xb8/0x174 [ 412.381666][ T4369] do_el0_svc+0x48/0x174 [ 412.382836][ T4369] el0_svc+0x34/0x110 [ 412.383880][ T4369] el0t_64_sync_handler+0x84/0xf0 [ 412.385219][ T4369] el0t_64_sync+0x18c/0x190 [ 412.510773][ T4369] block nbd0: shutting down sockets [ 412.592740][ T4371] FAULT_INJECTION: forcing a failure. [ 412.592740][ T4371] name failslab, interval 1, probability 0, space 0, times 0 [ 412.596386][ T4371] CPU: 0 PID: 4371 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 412.598620][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 412.601281][ T4371] Call trace: [ 412.602138][ T4371] dump_backtrace+0x1c8/0x1f4 [ 412.603443][ T4371] show_stack+0x2c/0x3c [ 412.604565][ T4371] dump_stack_lvl+0xc0/0x104 [ 412.605797][ T4371] dump_stack+0x1c/0x4c [ 412.606856][ T4371] should_fail_ex+0x1bc/0x1e0 [ 412.608119][ T4371] __should_failslab+0x64/0x78 [ 412.609447][ T4371] should_failslab+0x10/0x28 [ 412.610677][ T4371] __kmem_cache_alloc_node+0x6c/0x348 [ 412.612110][ T4371] __kmalloc+0x98/0xd8 [ 412.613159][ T4371] tomoyo_supervisor+0x700/0x888 [ 412.614530][ T4371] tomoyo_path_number_perm+0x200/0x2a8 [ 412.616007][ T4371] tomoyo_file_ioctl+0x2c/0x3c [ 412.617243][ T4371] security_file_ioctl+0x4c/0x8c [ 412.618525][ T4371] __arm64_sys_ioctl+0x5c/0x148 [ 412.619820][ T4371] invoke_syscall+0x64/0x178 [ 412.621051][ T4371] el0_svc_common+0xb8/0x174 [ 412.622283][ T4371] do_el0_svc+0x48/0x174 [ 412.623391][ T4371] el0_svc+0x34/0x110 [ 412.624515][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 412.625854][ T4371] el0t_64_sync+0x18c/0x190 [ 412.750563][ T4371] block nbd0: shutting down sockets [ 412.832721][ T4373] FAULT_INJECTION: forcing a failure. [ 412.832721][ T4373] name failslab, interval 1, probability 0, space 0, times 0 [ 412.836239][ T4373] CPU: 0 PID: 4373 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 412.838449][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 412.841110][ T4373] Call trace: [ 412.841914][ T4373] dump_backtrace+0x1c8/0x1f4 [ 412.843110][ T4373] show_stack+0x2c/0x3c [ 412.844292][ T4373] dump_stack_lvl+0xc0/0x104 [ 412.845522][ T4373] dump_stack+0x1c/0x4c [ 412.846631][ T4373] should_fail_ex+0x1bc/0x1e0 [ 412.847926][ T4373] __should_failslab+0x64/0x78 [ 412.849199][ T4373] should_failslab+0x10/0x28 [ 412.850520][ T4373] __kmem_cache_alloc_node+0x6c/0x348 [ 412.852036][ T4373] __kmalloc+0x98/0xd8 [ 412.853162][ T4373] tomoyo_supervisor+0x700/0x888 [ 412.854513][ T4373] tomoyo_path_number_perm+0x200/0x2a8 [ 412.856031][ T4373] tomoyo_file_ioctl+0x2c/0x3c [ 412.857295][ T4373] security_file_ioctl+0x4c/0x8c [ 412.858619][ T4373] __arm64_sys_ioctl+0x5c/0x148 [ 412.859971][ T4373] invoke_syscall+0x64/0x178 [ 412.861209][ T4373] el0_svc_common+0xb8/0x174 [ 412.862518][ T4373] do_el0_svc+0x48/0x174 [ 412.863658][ T4373] el0_svc+0x34/0x110 [ 412.864754][ T4373] el0t_64_sync_handler+0x84/0xf0 [ 412.866159][ T4373] el0t_64_sync+0x18c/0x190 [ 412.990552][ T4373] block nbd0: shutting down sockets [ 413.100750][ T4375] FAULT_INJECTION: forcing a failure. [ 413.100750][ T4375] name failslab, interval 1, probability 0, space 0, times 0 [ 413.102449][ T4376] block nbd0: Device being setup by another task [ 413.104455][ T4375] CPU: 0 PID: 4375 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 413.108305][ T4375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 413.110985][ T4375] Call trace: [ 413.111801][ T4375] dump_backtrace+0x1c8/0x1f4 [ 413.113046][ T4375] show_stack+0x2c/0x3c [ 413.114176][ T4375] dump_stack_lvl+0xc0/0x104 [ 413.115395][ T4375] dump_stack+0x1c/0x4c [ 413.116503][ T4375] should_fail_ex+0x1bc/0x1e0 [ 413.117804][ T4375] __should_failslab+0x64/0x78 [ 413.119110][ T4375] should_failslab+0x10/0x28 [ 413.120374][ T4375] __kmem_cache_alloc_node+0x6c/0x348 [ 413.121839][ T4375] __kmalloc+0x98/0xd8 [ 413.122954][ T4375] tomoyo_supervisor+0x700/0x888 [ 413.124345][ T4375] tomoyo_path_number_perm+0x200/0x2a8 [ 413.125807][ T4375] tomoyo_file_ioctl+0x2c/0x3c [ 413.127124][ T4375] security_file_ioctl+0x4c/0x8c [ 413.128463][ T4375] __arm64_sys_ioctl+0x5c/0x148 [ 413.129761][ T4375] invoke_syscall+0x64/0x178 [ 413.131034][ T4375] el0_svc_common+0xb8/0x174 [ 413.132238][ T4375] do_el0_svc+0x48/0x174 [ 413.133412][ T4375] el0_svc+0x34/0x110 [ 413.134549][ T4375] el0t_64_sync_handler+0x84/0xf0 [ 413.135897][ T4375] el0t_64_sync+0x18c/0x190 [ 413.258380][ T4375] block nbd0: shutting down sockets [ 413.510362][ T4378] block nbd0: shutting down sockets [ 413.642450][ T4381] block nbd0: Device being setup by another task [ 413.684109][ T4380] FAULT_INJECTION: forcing a failure. [ 413.684109][ T4380] name failslab, interval 1, probability 0, space 0, times 0 [ 413.687499][ T4380] CPU: 0 PID: 4380 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 413.689716][ T4380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 413.692384][ T4380] Call trace: [ 413.693259][ T4380] dump_backtrace+0x1c8/0x1f4 [ 413.694462][ T4380] show_stack+0x2c/0x3c [ 413.695555][ T4380] dump_stack_lvl+0xc0/0x104 [ 413.696726][ T4380] dump_stack+0x1c/0x4c [ 413.697826][ T4380] should_fail_ex+0x1bc/0x1e0 [ 413.699052][ T4380] __should_failslab+0x64/0x78 [ 413.700423][ T4380] should_failslab+0x10/0x28 [ 413.701693][ T4380] __kmem_cache_alloc_node+0x6c/0x348 [ 413.703221][ T4380] __kmalloc_node_track_caller+0x84/0xc0 [ 413.704701][ T4380] kstrdup_const+0x90/0xdc [ 413.705889][ T4380] __kernfs_new_node+0x5c/0x2e8 [ 413.707155][ T4380] kernfs_create_dir_ns+0xac/0x188 [ 413.708533][ T4380] sysfs_create_dir_ns+0x8c/0x168 [ 413.709846][ T4380] kobject_add_internal+0x314/0x64c [ 413.711224][ T4380] kobject_add+0xb8/0x130 [ 413.712379][ T4380] blk_mq_register_hctx+0x54/0x184 [ 413.713718][ T4380] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 413.715223][ T4380] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 413.716836][ T4380] nbd_start_device+0xc4/0x510 [ 413.718143][ T4380] nbd_ioctl+0x228/0x66c [ 413.719297][ T4380] blkdev_ioctl+0x218/0x664 [ 413.720428][ T4380] __arm64_sys_ioctl+0xd0/0x148 [ 413.721712][ T4380] invoke_syscall+0x64/0x178 [ 413.722955][ T4380] el0_svc_common+0xb8/0x174 [ 413.724182][ T4380] do_el0_svc+0x48/0x174 [ 413.725299][ T4380] el0_svc+0x34/0x110 [ 413.726332][ T4380] el0t_64_sync_handler+0x84/0xf0 [ 413.727625][ T4380] el0t_64_sync+0x18c/0x190 [ 413.728847][ T4380] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 413.777911][ T4380] block nbd0: shutting down sockets [ 413.902462][ T4384] block nbd0: Device being setup by another task [ 413.904306][ T4383] FAULT_INJECTION: forcing a failure. [ 413.904306][ T4383] name failslab, interval 1, probability 0, space 0, times 0 [ 413.907599][ T4383] CPU: 1 PID: 4383 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 413.909745][ T4383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 413.912396][ T4383] Call trace: [ 413.913258][ T4383] dump_backtrace+0x1c8/0x1f4 [ 413.914581][ T4383] show_stack+0x2c/0x3c [ 413.915660][ T4383] dump_stack_lvl+0xc0/0x104 [ 413.916866][ T4383] dump_stack+0x1c/0x4c [ 413.918009][ T4383] should_fail_ex+0x1bc/0x1e0 [ 413.919237][ T4383] __should_failslab+0x64/0x78 [ 413.920536][ T4383] should_failslab+0x10/0x28 [ 413.921724][ T4383] slab_pre_alloc_hook+0x54/0x1f4 [ 413.923062][ T4383] kmem_cache_alloc_lru+0x60/0x2ac [ 413.924440][ T4383] alloc_inode+0x7c/0x104 [ 413.925630][ T4383] new_inode+0x2c/0xc0 [ 413.926685][ T4383] debugfs_create_dir+0x98/0x1e0 [ 413.927977][ T4383] nbd_start_device+0x1b4/0x510 [ 413.929309][ T4383] nbd_ioctl+0x228/0x66c [ 413.930422][ T4383] blkdev_ioctl+0x218/0x664 [ 413.931586][ T4383] __arm64_sys_ioctl+0xd0/0x148 [ 413.932925][ T4383] invoke_syscall+0x64/0x178 [ 413.934124][ T4383] el0_svc_common+0xb8/0x174 [ 413.935348][ T4383] do_el0_svc+0x48/0x174 [ 413.936514][ T4383] el0_svc+0x34/0x110 [ 413.937579][ T4383] el0t_64_sync_handler+0x84/0xf0 [ 413.938989][ T4383] el0t_64_sync+0x18c/0x190 [ 413.940184][ T4383] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.942276][ T4383] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.045467][ T4383] block nbd0: shutting down sockets [ 414.162461][ T4387] block nbd0: Device being setup by another task [ 414.164354][ T4386] FAULT_INJECTION: forcing a failure. [ 414.164354][ T4386] name failslab, interval 1, probability 0, space 0, times 0 [ 414.167701][ T4386] CPU: 0 PID: 4386 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 414.169937][ T4386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 414.172596][ T4386] Call trace: [ 414.173499][ T4386] dump_backtrace+0x1c8/0x1f4 [ 414.174746][ T4386] show_stack+0x2c/0x3c [ 414.175876][ T4386] dump_stack_lvl+0xc0/0x104 [ 414.177203][ T4386] dump_stack+0x1c/0x4c [ 414.178311][ T4386] should_fail_ex+0x1bc/0x1e0 [ 414.179619][ T4386] __should_failslab+0x64/0x78 [ 414.180968][ T4386] should_failslab+0x10/0x28 [ 414.182219][ T4386] slab_pre_alloc_hook+0x54/0x1f4 [ 414.183589][ T4386] kmem_cache_alloc_lru+0x60/0x2ac [ 414.184961][ T4386] alloc_inode+0x7c/0x104 [ 414.186141][ T4386] new_inode+0x2c/0xc0 [ 414.187254][ T4386] debugfs_create_dir+0x98/0x1e0 [ 414.188659][ T4386] nbd_start_device+0x1b4/0x510 [ 414.190016][ T4386] nbd_ioctl+0x228/0x66c [ 414.191223][ T4386] blkdev_ioctl+0x218/0x664 [ 414.192462][ T4386] __arm64_sys_ioctl+0xd0/0x148 [ 414.193733][ T4386] invoke_syscall+0x64/0x178 [ 414.194952][ T4386] el0_svc_common+0xb8/0x174 [ 414.196202][ T4386] do_el0_svc+0x48/0x174 [ 414.197347][ T4386] el0_svc+0x34/0x110 [ 414.198457][ T4386] el0t_64_sync_handler+0x84/0xf0 [ 414.199810][ T4386] el0t_64_sync+0x18c/0x190 [ 414.201043][ T4386] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.203102][ T4386] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.314455][ T4386] block nbd0: shutting down sockets [ 414.432485][ T4390] block nbd0: Device being setup by another task [ 414.434435][ T4389] FAULT_INJECTION: forcing a failure. [ 414.434435][ T4389] name failslab, interval 1, probability 0, space 0, times 0 [ 414.437925][ T4389] CPU: 1 PID: 4389 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 414.440193][ T4389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 414.442906][ T4389] Call trace: [ 414.443782][ T4389] dump_backtrace+0x1c8/0x1f4 [ 414.445064][ T4389] show_stack+0x2c/0x3c [ 414.446173][ T4389] dump_stack_lvl+0xc0/0x104 [ 414.447458][ T4389] dump_stack+0x1c/0x4c [ 414.448625][ T4389] should_fail_ex+0x1bc/0x1e0 [ 414.449880][ T4389] __should_failslab+0x64/0x78 [ 414.451115][ T4389] should_failslab+0x10/0x28 [ 414.452317][ T4389] slab_pre_alloc_hook+0x54/0x1f4 [ 414.453698][ T4389] kmem_cache_alloc_lru+0x60/0x2ac [ 414.455052][ T4389] alloc_inode+0x7c/0x104 [ 414.456242][ T4389] new_inode+0x2c/0xc0 [ 414.457388][ T4389] debugfs_create_dir+0x98/0x1e0 [ 414.458750][ T4389] nbd_start_device+0x1b4/0x510 [ 414.460080][ T4389] nbd_ioctl+0x228/0x66c [ 414.461302][ T4389] blkdev_ioctl+0x218/0x664 [ 414.462553][ T4389] __arm64_sys_ioctl+0xd0/0x148 [ 414.463857][ T4389] invoke_syscall+0x64/0x178 [ 414.465106][ T4389] el0_svc_common+0xb8/0x174 [ 414.466393][ T4389] do_el0_svc+0x48/0x174 [ 414.467539][ T4389] el0_svc+0x34/0x110 [ 414.468624][ T4389] el0t_64_sync_handler+0x84/0xf0 [ 414.469973][ T4389] el0t_64_sync+0x18c/0x190 [ 414.471228][ T4389] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.473278][ T4389] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.583517][ T4389] block nbd0: shutting down sockets [ 414.682451][ T4393] block nbd0: Device being setup by another task [ 414.684514][ T4392] FAULT_INJECTION: forcing a failure. [ 414.684514][ T4392] name failslab, interval 1, probability 0, space 0, times 0 [ 414.687839][ T4392] CPU: 0 PID: 4392 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 414.690151][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 414.692749][ T4392] Call trace: [ 414.693596][ T4392] dump_backtrace+0x1c8/0x1f4 [ 414.694791][ T4392] show_stack+0x2c/0x3c [ 414.695909][ T4392] dump_stack_lvl+0xc0/0x104 [ 414.697170][ T4392] dump_stack+0x1c/0x4c [ 414.698306][ T4392] should_fail_ex+0x1bc/0x1e0 [ 414.699615][ T4392] __should_failslab+0x64/0x78 [ 414.700925][ T4392] should_failslab+0x10/0x28 [ 414.702112][ T4392] slab_pre_alloc_hook+0x54/0x1f4 [ 414.703439][ T4392] kmem_cache_alloc_lru+0x60/0x2ac [ 414.704824][ T4392] alloc_inode+0x7c/0x104 [ 414.705976][ T4392] new_inode+0x2c/0xc0 [ 414.707036][ T4392] debugfs_create_dir+0x98/0x1e0 [ 414.708341][ T4392] nbd_start_device+0x1b4/0x510 [ 414.709679][ T4392] nbd_ioctl+0x228/0x66c [ 414.710804][ T4392] blkdev_ioctl+0x218/0x664 [ 414.711941][ T4392] __arm64_sys_ioctl+0xd0/0x148 [ 414.713182][ T4392] invoke_syscall+0x64/0x178 [ 414.714414][ T4392] el0_svc_common+0xb8/0x174 [ 414.715654][ T4392] do_el0_svc+0x48/0x174 [ 414.716763][ T4392] el0_svc+0x34/0x110 [ 414.717782][ T4392] el0t_64_sync_handler+0x84/0xf0 [ 414.719108][ T4392] el0t_64_sync+0x18c/0x190 [ 414.720369][ T4392] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.722476][ T4392] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.841420][ T4392] block nbd0: shutting down sockets [ 414.972463][ T4396] block nbd0: Device being setup by another task [ 414.974200][ T4395] FAULT_INJECTION: forcing a failure. [ 414.974200][ T4395] name failslab, interval 1, probability 0, space 0, times 0 [ 414.977616][ T4395] CPU: 1 PID: 4395 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 414.979787][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 414.982494][ T4395] Call trace: [ 414.983378][ T4395] dump_backtrace+0x1c8/0x1f4 [ 414.984604][ T4395] show_stack+0x2c/0x3c [ 414.985702][ T4395] dump_stack_lvl+0xc0/0x104 [ 414.986962][ T4395] dump_stack+0x1c/0x4c [ 414.988036][ T4395] should_fail_ex+0x1bc/0x1e0 [ 414.989288][ T4395] __should_failslab+0x64/0x78 [ 414.990609][ T4395] should_failslab+0x10/0x28 [ 414.991824][ T4395] slab_pre_alloc_hook+0x54/0x1f4 [ 414.993164][ T4395] kmem_cache_alloc_lru+0x60/0x2ac [ 414.994530][ T4395] alloc_inode+0x7c/0x104 [ 414.995710][ T4395] new_inode+0x2c/0xc0 [ 414.996794][ T4395] debugfs_create_dir+0x98/0x1e0 [ 414.998227][ T4395] nbd_start_device+0x1b4/0x510 [ 414.999553][ T4395] nbd_ioctl+0x228/0x66c [ 415.000680][ T4395] blkdev_ioctl+0x218/0x664 [ 415.001869][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 415.003238][ T4395] invoke_syscall+0x64/0x178 [ 415.004511][ T4395] el0_svc_common+0xb8/0x174 [ 415.005726][ T4395] do_el0_svc+0x48/0x174 [ 415.006862][ T4395] el0_svc+0x34/0x110 [ 415.007907][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 415.009274][ T4395] el0t_64_sync+0x18c/0x190 [ 415.010541][ T4395] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.012574][ T4395] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.109896][ T4395] block nbd0: shutting down sockets [ 415.222456][ T4399] block nbd0: Device being setup by another task [ 415.224273][ T4398] FAULT_INJECTION: forcing a failure. [ 415.224273][ T4398] name failslab, interval 1, probability 0, space 0, times 0 [ 415.227721][ T4398] CPU: 0 PID: 4398 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 415.229945][ T4398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 415.232622][ T4398] Call trace: [ 415.233479][ T4398] dump_backtrace+0x1c8/0x1f4 [ 415.234748][ T4398] show_stack+0x2c/0x3c [ 415.235837][ T4398] dump_stack_lvl+0xc0/0x104 [ 415.237151][ T4398] dump_stack+0x1c/0x4c [ 415.238237][ T4398] should_fail_ex+0x1bc/0x1e0 [ 415.239505][ T4398] __should_failslab+0x64/0x78 [ 415.240789][ T4398] should_failslab+0x10/0x28 [ 415.241993][ T4398] slab_pre_alloc_hook+0x54/0x1f4 [ 415.243352][ T4398] kmem_cache_alloc_lru+0x60/0x2ac [ 415.244748][ T4398] alloc_inode+0x7c/0x104 [ 415.245895][ T4398] new_inode+0x2c/0xc0 [ 415.246995][ T4398] debugfs_create_dir+0x98/0x1e0 [ 415.248341][ T4398] nbd_start_device+0x1b4/0x510 [ 415.249645][ T4398] nbd_ioctl+0x228/0x66c [ 415.250752][ T4398] blkdev_ioctl+0x218/0x664 [ 415.251983][ T4398] __arm64_sys_ioctl+0xd0/0x148 [ 415.253229][ T4398] invoke_syscall+0x64/0x178 [ 415.254508][ T4398] el0_svc_common+0xb8/0x174 [ 415.255789][ T4398] do_el0_svc+0x48/0x174 [ 415.257027][ T4398] el0_svc+0x34/0x110 [ 415.258044][ T4398] el0t_64_sync_handler+0x84/0xf0 [ 415.259403][ T4398] el0t_64_sync+0x18c/0x190 [ 415.260666][ T4398] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.262689][ T4398] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.377128][ T4398] block nbd0: shutting down sockets [ 415.514222][ T4401] ------------[ cut here ]------------ [ 415.515790][ T4401] kernfs: can not remove 'nr_tags', no directory [ 415.517386][ T4401] WARNING: CPU: 0 PID: 4401 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.520098][ T4401] Modules linked in: [ 415.521109][ T4401] CPU: 0 PID: 4401 Comm: syz-executor147 Not tainted 6.1.79-syzkaller #0 [ 415.523400][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 415.526123][ T4401] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.528232][ T4401] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.529791][ T4401] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.531361][ T4401] sp : ffff80000dedbac0 [ 415.532412][ T4401] x29: ffff80000dedbac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 415.534542][ T4401] x26: ffff0000c6467108 x25: ffff80000dedbbe8 x24: ffff0001ffb66000 [ 415.536657][ T4401] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 415.538741][ T4401] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.540937][ T4401] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 415.542977][ T4401] x14: 0000000000000000 x13: 205d313034345420 x12: ffff80000d183000 [ 415.545181][ T4401] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9e5df46156273500 [ 415.547325][ T4401] x8 : 9e5df46156273500 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 415.549483][ T4401] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.551634][ T4401] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.553834][ T4401] Call trace: [ 415.554681][ T4401] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.556112][ T4401] sysfs_remove_group+0x68/0x160 [ 415.557513][ T4401] sysfs_remove_groups+0x3c/0x78 [ 415.558905][ T4401] __kobject_del+0x34/0x134 [ 415.560117][ T4401] kobject_del+0x2c/0x4c [ 415.561302][ T4401] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.562921][ T4401] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.564480][ T4401] nbd_start_device+0xc4/0x510 [ 415.565710][ T4401] nbd_ioctl+0x228/0x66c [ 415.566887][ T4401] blkdev_ioctl+0x218/0x664 [ 415.568118][ T4401] __arm64_sys_ioctl+0xd0/0x148 [ 415.569447][ T4401] invoke_syscall+0x64/0x178 [ 415.570641][ T4401] el0_svc_common+0xb8/0x174 [ 415.571843][ T4401] do_el0_svc+0x48/0x174 [ 415.573019][ T4401] el0_svc+0x34/0x110 [ 415.574120][ T4401] el0t_64_sync_handler+0x84/0xf0 [ 415.575459][ T4401] el0t_64_sync+0x18c/0x190 [ 415.576621][ T4401] ---[ end trace 0000000000000000 ]--- [ 415.578109][ T4401] ------------[ cut here ]------------ [ 415.579574][ T4401] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.581560][ T4401] WARNING: CPU: 0 PID: 4401 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.584151][ T4401] Modules linked in: [ 415.585215][ T4401] CPU: 0 PID: 4401 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 415.587923][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 415.590661][ T4401] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.592784][ T4401] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.594447][ T4401] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.596007][ T4401] sp : ffff80000dedbac0 [ 415.597102][ T4401] x29: ffff80000dedbac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 415.599225][ T4401] x26: ffff0000c6467108 x25: ffff80000dedbbe8 x24: ffff0001ffb66000 [ 415.601377][ T4401] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 415.603548][ T4401] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.605756][ T4401] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 415.607910][ T4401] x14: 0000000000000000 x13: 205d313034345420 x12: ffff80000d183000 [ 415.610119][ T4401] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9e5df46156273500 [ 415.612308][ T4401] x8 : 9e5df46156273500 x7 : 0000000000000000 x6 : ffff80000ae0bd80 [ 415.614425][ T4401] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dcea8 [ 415.616536][ T4401] x2 : ffff0001fe9dcea8 x1 : ffff80000b9a2951 x0 : 0000000000000001 [ 415.618627][ T4401] Call trace: [ 415.619549][ T4401] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.621051][ T4401] sysfs_remove_group+0x68/0x160 [ 415.622409][ T4401] sysfs_remove_groups+0x3c/0x78 [ 415.623786][ T4401] __kobject_del+0x34/0x134 [ 415.625063][ T4401] kobject_del+0x2c/0x4c [ 415.626192][ T4401] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.627811][ T4401] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.629343][ T4401] nbd_start_device+0xc4/0x510 [ 415.630644][ T4401] nbd_ioctl+0x228/0x66c [ 415.631726][ T4401] blkdev_ioctl+0x218/0x664 [ 415.632998][ T4401] __arm64_sys_ioctl+0xd0/0x148 [ 415.634273][ T4401] invoke_syscall+0x64/0x178 [ 415.635537][ T4401] el0_svc_common+0xb8/0x174 [ 415.636780][ T4401] do_el0_svc+0x48/0x174 [ 415.637927][ T4401] el0_svc+0x34/0x110 [ 415.638977][ T4401] el0t_64_sync_handler+0x84/0xf0 [ 415.640384][ T4401] el0t_64_sync+0x18c/0x190 [ 415.641555][ T4401] ---[ end trace 0000000000000000 ]--- [ 415.643127][ T4401] ------------[ cut here ]------------ [ 415.644633][ T4401] kernfs: can not remove 'cpu_list', no directory [ 415.646355][ T4401] WARNING: CPU: 0 PID: 4401 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.648917][ T4401] Modules linked in: [ 415.649867][ T4401] CPU: 0 PID: 4401 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 415.652466][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 415.655111][ T4401] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.657272][ T4401] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.658894][ T4401] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.660556][ T4401] sp : ffff80000dedbac0 [ 415.661724][ T4401] x29: ffff80000dedbac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 415.663971][ T4401] x26: ffff0000c6467108 x25: ffff80000dedbbe8 x24: ffff0001ffb66000 [ 415.666130][ T4401] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 415.668313][ T4401] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.670471][ T4401] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 415.672606][ T4401] x14: 0000000000000000 x13: 205d313034345420 x12: ffff80000d183000 [ 415.674785][ T4401] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9e5df46156273500 [ 415.677029][ T4401] x8 : 9e5df46156273500 x7 : 0000000000000000 x6 : ffff80000ae0bd80 [ 415.679151][ T4401] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dcea8 [ 415.681372][ T4401] x2 : ffff0001fe9dcea8 x1 : ffff80000b9a2951 x0 : 0000000000000001 [ 415.683741][ T4401] Call trace: [ 415.684593][ T4401] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.686074][ T4401] sysfs_remove_group+0x68/0x160 [ 415.687443][ T4401] sysfs_remove_groups+0x3c/0x78 [ 415.688773][ T4401] __kobject_del+0x34/0x134 [ 415.690047][ T4401] kobject_del+0x2c/0x4c [ 415.691141][ T4401] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.692744][ T4401] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.694214][ T4401] nbd_start_device+0xc4/0x510 [ 415.695489][ T4401] nbd_ioctl+0x228/0x66c [ 415.696678][ T4401] blkdev_ioctl+0x218/0x664 [ 415.697886][ T4401] __arm64_sys_ioctl+0xd0/0x148 [ 415.699199][ T4401] invoke_syscall+0x64/0x178 [ 415.700454][ T4401] el0_svc_common+0xb8/0x174 [ 415.701689][ T4401] do_el0_svc+0x48/0x174 [ 415.702813][ T4401] el0_svc+0x34/0x110 [ 415.703881][ T4401] el0t_64_sync_handler+0x84/0xf0 [ 415.705225][ T4401] el0t_64_sync+0x18c/0x190 [ 415.706386][ T4401] ---[ end trace 0000000000000000 ]--- [ 415.710280][ T4401] block nbd0: shutting down sockets [ 415.822489][ T4404] block nbd0: Device being setup by another task [ 415.864349][ T4403] FAULT_INJECTION: forcing a failure. [ 415.864349][ T4403] name failslab, interval 1, probability 0, space 0, times 0 [ 415.867764][ T4403] CPU: 0 PID: 4403 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 415.870417][ T4403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 415.873164][ T4403] Call trace: [ 415.874071][ T4403] dump_backtrace+0x1c8/0x1f4 [ 415.875324][ T4403] show_stack+0x2c/0x3c [ 415.876413][ T4403] dump_stack_lvl+0xc0/0x104 [ 415.877616][ T4403] dump_stack+0x1c/0x4c [ 415.878723][ T4403] should_fail_ex+0x1bc/0x1e0 [ 415.879988][ T4403] __should_failslab+0x64/0x78 [ 415.881260][ T4403] should_failslab+0x10/0x28 [ 415.882505][ T4403] __kmem_cache_alloc_node+0x6c/0x348 [ 415.883926][ T4403] __kmalloc_node_track_caller+0x84/0xc0 [ 415.885470][ T4403] kstrdup_const+0x90/0xdc [ 415.886650][ T4403] __kernfs_new_node+0x5c/0x2e8 [ 415.887919][ T4403] kernfs_create_dir_ns+0xac/0x188 [ 415.889322][ T4403] sysfs_create_dir_ns+0x8c/0x168 [ 415.890646][ T4403] kobject_add_internal+0x314/0x64c [ 415.892031][ T4403] kobject_add+0xb8/0x130 [ 415.893193][ T4403] blk_mq_register_hctx+0x54/0x184 [ 415.894576][ T4403] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 415.896104][ T4403] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 415.897644][ T4403] nbd_start_device+0xc4/0x510 [ 415.898864][ T4403] nbd_ioctl+0x228/0x66c [ 415.900038][ T4403] blkdev_ioctl+0x218/0x664 [ 415.901208][ T4403] __arm64_sys_ioctl+0xd0/0x148 [ 415.902582][ T4403] invoke_syscall+0x64/0x178 [ 415.903812][ T4403] el0_svc_common+0xb8/0x174 [ 415.905066][ T4403] do_el0_svc+0x48/0x174 [ 415.906216][ T4403] el0_svc+0x34/0x110 [ 415.907340][ T4403] el0t_64_sync_handler+0x84/0xf0 [ 415.908657][ T4403] el0t_64_sync+0x18c/0x190 [ 415.910125][ T4403] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 416.017121][ T4403] block nbd0: shutting down sockets [ 416.154116][ T4406] ------------[ cut here ]------------ [ 416.155729][ T4406] kernfs: can not remove 'nr_tags', no directory [ 416.157438][ T4406] WARNING: CPU: 0 PID: 4406 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.159971][ T4406] Modules linked in: [ 416.160992][ T4406] CPU: 0 PID: 4406 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 416.163707][ T4406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 416.166469][ T4406] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.168565][ T4406] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.170258][ T4406] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.171831][ T4406] sp : ffff8000140e3ac0 [ 416.172960][ T4406] x29: ffff8000140e3ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 416.175170][ T4406] x26: ffff0000c6467108 x25: ffff8000140e3be8 x24: ffff0001ffb6ef80 [ 416.177339][ T4406] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 416.179540][ T4406] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.181760][ T4406] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 416.184016][ T4406] x14: 0000000000000000 x13: 205d363034345420 x12: ffff80000d183000 [ 416.186112][ T4406] x11: 0000000000ff0100 x10: 0000000000000000 x9 : da2248c229b6d800 [ 416.188333][ T4406] x8 : da2248c229b6d800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 416.190457][ T4406] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.192700][ T4406] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.194893][ T4406] Call trace: [ 416.195728][ T4406] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.197181][ T4406] sysfs_remove_group+0x68/0x160 [ 416.198506][ T4406] sysfs_remove_groups+0x3c/0x78 [ 416.199823][ T4406] __kobject_del+0x34/0x134 [ 416.201051][ T4406] kobject_del+0x2c/0x4c [ 416.202174][ T4406] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.203744][ T4406] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.205322][ T4406] nbd_start_device+0xc4/0x510 [ 416.206590][ T4406] nbd_ioctl+0x228/0x66c [ 416.207743][ T4406] blkdev_ioctl+0x218/0x664 [ 416.208887][ T4406] __arm64_sys_ioctl+0xd0/0x148 [ 416.210189][ T4406] invoke_syscall+0x64/0x178 [ 416.211382][ T4406] el0_svc_common+0xb8/0x174 [ 416.212720][ T4406] do_el0_svc+0x48/0x174 [ 416.213849][ T4406] el0_svc+0x34/0x110 [ 416.214942][ T4406] el0t_64_sync_handler+0x84/0xf0 [ 416.216296][ T4406] el0t_64_sync+0x18c/0x190 [ 416.217490][ T4406] ---[ end trace 0000000000000000 ]--- [ 416.218989][ T4406] ------------[ cut here ]------------ [ 416.220356][ T4406] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.222280][ T4406] WARNING: CPU: 0 PID: 4406 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.224930][ T4406] Modules linked in: [ 416.225924][ T4406] CPU: 0 PID: 4406 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 416.228522][ T4406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 416.231174][ T4406] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.233225][ T4406] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.234769][ T4406] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.236326][ T4406] sp : ffff8000140e3ac0 [ 416.237411][ T4406] x29: ffff8000140e3ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 416.239525][ T4406] x26: ffff0000c6467108 x25: ffff8000140e3be8 x24: ffff0001ffb6ef80 [ 416.241639][ T4406] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 416.243761][ T4406] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.245878][ T4406] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 416.247988][ T4406] x14: 0000000000000000 x13: 205d363034345420 x12: ffff80000d183000 [ 416.250095][ T4406] x11: 0000000000ff0100 x10: 0000000000000000 x9 : da2248c229b6d800 [ 416.252285][ T4406] x8 : da2248c229b6d800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 416.254424][ T4406] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.256521][ T4406] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.258573][ T4406] Call trace: [ 416.259391][ T4406] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.260926][ T4406] sysfs_remove_group+0x68/0x160 [ 416.262178][ T4406] sysfs_remove_groups+0x3c/0x78 [ 416.263489][ T4406] __kobject_del+0x34/0x134 [ 416.264690][ T4406] kobject_del+0x2c/0x4c [ 416.265815][ T4406] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.267340][ T4406] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.268867][ T4406] nbd_start_device+0xc4/0x510 [ 416.270131][ T4406] nbd_ioctl+0x228/0x66c [ 416.271274][ T4406] blkdev_ioctl+0x218/0x664 [ 416.272412][ T4406] __arm64_sys_ioctl+0xd0/0x148 [ 416.273702][ T4406] invoke_syscall+0x64/0x178 [ 416.274889][ T4406] el0_svc_common+0xb8/0x174 [ 416.276167][ T4406] do_el0_svc+0x48/0x174 [ 416.277299][ T4406] el0_svc+0x34/0x110 [ 416.278342][ T4406] el0t_64_sync_handler+0x84/0xf0 [ 416.279675][ T4406] el0t_64_sync+0x18c/0x190 [ 416.280817][ T4406] ---[ end trace 0000000000000000 ]--- [ 416.282342][ T4406] ------------[ cut here ]------------ [ 416.283802][ T4406] kernfs: can not remove 'cpu_list', no directory [ 416.285541][ T4406] WARNING: CPU: 0 PID: 4406 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.288026][ T4406] Modules linked in: [ 416.288990][ T4406] CPU: 0 PID: 4406 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 416.291512][ T4406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 416.294174][ T4406] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.296319][ T4406] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.297852][ T4406] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.299393][ T4406] sp : ffff8000140e3ac0 [ 416.300488][ T4406] x29: ffff8000140e3ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 416.302679][ T4406] x26: ffff0000c6467108 x25: ffff8000140e3be8 x24: ffff0001ffb6ef80 [ 416.304780][ T4406] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 416.306917][ T4406] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.308995][ T4406] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 416.311092][ T4406] x14: 0000000000000000 x13: 205d363034345420 x12: ffff80000d183000 [ 416.313227][ T4406] x11: 0000000000ff0100 x10: 0000000000000000 x9 : da2248c229b6d800 [ 416.315427][ T4406] x8 : da2248c229b6d800 x7 : 0000000000000000 x6 : ffff80000ae0bd80 [ 416.317525][ T4406] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dcea8 [ 416.319679][ T4406] x2 : ffff0001fe9dcea8 x1 : ffff80000b9a2951 x0 : 0000000000000001 [ 416.321807][ T4406] Call trace: [ 416.322659][ T4406] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.324101][ T4406] sysfs_remove_group+0x68/0x160 [ 416.325388][ T4406] sysfs_remove_groups+0x3c/0x78 [ 416.326716][ T4406] __kobject_del+0x34/0x134 [ 416.327920][ T4406] kobject_del+0x2c/0x4c [ 416.329050][ T4406] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.330661][ T4406] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.332151][ T4406] nbd_start_device+0xc4/0x510 [ 416.333455][ T4406] nbd_ioctl+0x228/0x66c [ 416.334610][ T4406] blkdev_ioctl+0x218/0x664 [ 416.335801][ T4406] __arm64_sys_ioctl+0xd0/0x148 [ 416.337119][ T4406] invoke_syscall+0x64/0x178 [ 416.338355][ T4406] el0_svc_common+0xb8/0x174 [ 416.339623][ T4406] do_el0_svc+0x48/0x174 [ 416.340737][ T4406] el0_svc+0x34/0x110 [ 416.341808][ T4406] el0t_64_sync_handler+0x84/0xf0 [ 416.343133][ T4406] el0t_64_sync+0x18c/0x190 [ 416.344389][ T4406] ---[ end trace 0000000000000000 ]--- [ 416.348155][ T4406] block nbd0: shutting down sockets [ 416.442684][ T4408] FAULT_INJECTION: forcing a failure. [ 416.442684][ T4408] name failslab, interval 1, probability 0, space 0, times 0 [ 416.446048][ T4408] CPU: 1 PID: 4408 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 416.448617][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 416.451221][ T4408] Call trace: [ 416.452053][ T4408] dump_backtrace+0x1c8/0x1f4 [ 416.453303][ T4408] show_stack+0x2c/0x3c [ 416.454424][ T4408] dump_stack_lvl+0xc0/0x104 [ 416.455601][ T4408] dump_stack+0x1c/0x4c [ 416.456682][ T4408] should_fail_ex+0x1bc/0x1e0 [ 416.457917][ T4408] __should_failslab+0x64/0x78 [ 416.459173][ T4408] should_failslab+0x10/0x28 [ 416.460395][ T4408] slab_pre_alloc_hook+0x54/0x1f4 [ 416.461747][ T4408] kmem_cache_alloc_lru+0x60/0x2ac [ 416.463074][ T4408] alloc_inode+0x7c/0x104 [ 416.464200][ T4408] new_inode+0x2c/0xc0 [ 416.465291][ T4408] debugfs_create_dir+0x98/0x1e0 [ 416.466580][ T4408] nbd_start_device+0x1b4/0x510 [ 416.467937][ T4408] nbd_ioctl+0x228/0x66c [ 416.469051][ T4408] blkdev_ioctl+0x218/0x664 [ 416.470276][ T4408] __arm64_sys_ioctl+0xd0/0x148 [ 416.471627][ T4408] invoke_syscall+0x64/0x178 [ 416.472895][ T4408] el0_svc_common+0xb8/0x174 [ 416.474088][ T4408] do_el0_svc+0x48/0x174 [ 416.475202][ T4408] el0_svc+0x34/0x110 [ 416.476217][ T4408] el0t_64_sync_handler+0x84/0xf0 [ 416.477537][ T4408] el0t_64_sync+0x18c/0x190 [ 416.478826][ T4408] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.480881][ T4408] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.600708][ T4408] block nbd0: shutting down sockets [ 416.702711][ T4410] FAULT_INJECTION: forcing a failure. [ 416.702711][ T4410] name failslab, interval 1, probability 0, space 0, times 0 [ 416.706084][ T4410] CPU: 1 PID: 4410 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 416.708784][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 416.711458][ T4410] Call trace: [ 416.712338][ T4410] dump_backtrace+0x1c8/0x1f4 [ 416.713572][ T4410] show_stack+0x2c/0x3c [ 416.714703][ T4410] dump_stack_lvl+0xc0/0x104 [ 416.715953][ T4410] dump_stack+0x1c/0x4c [ 416.717019][ T4410] should_fail_ex+0x1bc/0x1e0 [ 416.718221][ T4410] __should_failslab+0x64/0x78 [ 416.719541][ T4410] should_failslab+0x10/0x28 [ 416.720729][ T4410] slab_pre_alloc_hook+0x54/0x1f4 [ 416.722104][ T4410] kmem_cache_alloc_lru+0x60/0x2ac [ 416.723492][ T4410] alloc_inode+0x7c/0x104 [ 416.724669][ T4410] new_inode+0x2c/0xc0 [ 416.725800][ T4410] debugfs_create_dir+0x98/0x1e0 [ 416.727101][ T4410] nbd_start_device+0x1b4/0x510 [ 416.728493][ T4410] nbd_ioctl+0x228/0x66c [ 416.729648][ T4410] blkdev_ioctl+0x218/0x664 [ 416.730871][ T4410] __arm64_sys_ioctl+0xd0/0x148 [ 416.732116][ T4410] invoke_syscall+0x64/0x178 [ 416.733354][ T4410] el0_svc_common+0xb8/0x174 [ 416.734611][ T4410] do_el0_svc+0x48/0x174 [ 416.735743][ T4410] el0_svc+0x34/0x110 [ 416.736761][ T4410] el0t_64_sync_handler+0x84/0xf0 [ 416.738161][ T4410] el0t_64_sync+0x18c/0x190 [ 416.739406][ T4410] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.741467][ T4410] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.860322][ T4410] block nbd0: shutting down sockets [ 416.982466][ T4413] block nbd0: Device being setup by another task [ 417.024495][ T4412] FAULT_INJECTION: forcing a failure. [ 417.024495][ T4412] name failslab, interval 1, probability 0, space 0, times 0 [ 417.028019][ T4412] CPU: 0 PID: 4412 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 417.030600][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 417.033210][ T4412] Call trace: [ 417.034079][ T4412] dump_backtrace+0x1c8/0x1f4 [ 417.035404][ T4412] show_stack+0x2c/0x3c [ 417.036537][ T4412] dump_stack_lvl+0xc0/0x104 [ 417.037808][ T4412] dump_stack+0x1c/0x4c [ 417.038883][ T4412] should_fail_ex+0x1bc/0x1e0 [ 417.040179][ T4412] __should_failslab+0x64/0x78 [ 417.041498][ T4412] should_failslab+0x10/0x28 [ 417.042790][ T4412] __kmem_cache_alloc_node+0x6c/0x348 [ 417.044423][ T4412] __kmalloc_node_track_caller+0x84/0xc0 [ 417.045957][ T4412] kstrdup_const+0x90/0xdc [ 417.047110][ T4412] __kernfs_new_node+0x5c/0x2e8 [ 417.048449][ T4412] kernfs_create_dir_ns+0xac/0x188 [ 417.049817][ T4412] sysfs_create_dir_ns+0x8c/0x168 [ 417.051114][ T4412] kobject_add_internal+0x314/0x64c [ 417.052556][ T4412] kobject_add+0xb8/0x130 [ 417.053652][ T4412] blk_mq_register_hctx+0x54/0x184 [ 417.055068][ T4412] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.056605][ T4412] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.058127][ T4412] nbd_start_device+0xc4/0x510 [ 417.059462][ T4412] nbd_ioctl+0x228/0x66c [ 417.060621][ T4412] blkdev_ioctl+0x218/0x664 [ 417.061904][ T4412] __arm64_sys_ioctl+0xd0/0x148 [ 417.063257][ T4412] invoke_syscall+0x64/0x178 [ 417.064492][ T4412] el0_svc_common+0xb8/0x174 [ 417.065765][ T4412] do_el0_svc+0x48/0x174 [ 417.066898][ T4412] el0_svc+0x34/0x110 [ 417.068036][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 417.069475][ T4412] el0t_64_sync+0x18c/0x190 [ 417.070710][ T4412] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 417.128141][ T4412] block nbd0: shutting down sockets [ 417.264686][ T4415] ------------[ cut here ]------------ [ 417.266189][ T4415] kernfs: can not remove 'nr_tags', no directory [ 417.267925][ T4415] WARNING: CPU: 1 PID: 4415 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 417.270539][ T4415] Modules linked in: [ 417.271503][ T4415] CPU: 1 PID: 4415 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 417.274139][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 417.276840][ T4415] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 417.278892][ T4415] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 417.280419][ T4415] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 417.282011][ T4415] sp : ffff80000df23ac0 [ 417.283094][ T4415] x29: ffff80000df23ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 417.285195][ T4415] x26: ffff0000c6467108 x25: ffff80000df23be8 x24: ffff0000c9396e00 [ 417.287386][ T4415] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 417.289538][ T4415] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 417.291690][ T4415] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 417.293853][ T4415] x14: 0000000000000000 x13: 205d353134345420 x12: ffff80000d183000 [ 417.295934][ T4415] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6e8b8b7810375e00 [ 417.298077][ T4415] x8 : 6e8b8b7810375e00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 417.300284][ T4415] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 417.302512][ T4415] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 417.304671][ T4415] Call trace: [ 417.305547][ T4415] kernfs_remove_by_name_ns+0xb4/0x110 [ 417.307036][ T4415] sysfs_remove_group+0x68/0x160 [ 417.308354][ T4415] sysfs_remove_groups+0x3c/0x78 [ 417.309715][ T4415] __kobject_del+0x34/0x134 [ 417.310884][ T4415] kobject_del+0x2c/0x4c [ 417.312016][ T4415] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 417.313595][ T4415] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 417.315125][ T4415] nbd_start_device+0xc4/0x510 [ 417.316363][ T4415] nbd_ioctl+0x228/0x66c [ 417.317516][ T4415] blkdev_ioctl+0x218/0x664 [ 417.318694][ T4415] __arm64_sys_ioctl+0xd0/0x148 [ 417.319943][ T4415] invoke_syscall+0x64/0x178 [ 417.321136][ T4415] el0_svc_common+0xb8/0x174 [ 417.322324][ T4415] do_el0_svc+0x48/0x174 [ 417.323404][ T4415] el0_svc+0x34/0x110 [ 417.324437][ T4415] el0t_64_sync_handler+0x84/0xf0 [ 417.325791][ T4415] el0t_64_sync+0x18c/0x190 [ 417.326975][ T4415] ---[ end trace 0000000000000000 ]--- [ 417.328528][ T4415] ------------[ cut here ]------------ [ 417.329949][ T4415] kernfs: can not remove 'nr_reserved_tags', no directory [ 417.331834][ T4415] WARNING: CPU: 1 PID: 4415 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 417.334532][ T4415] Modules linked in: [ 417.335602][ T4415] CPU: 1 PID: 4415 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 417.338284][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 417.340959][ T4415] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 417.343068][ T4415] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 417.344618][ T4415] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 417.346144][ T4415] sp : ffff80000df23ac0 [ 417.347279][ T4415] x29: ffff80000df23ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 417.349396][ T4415] x26: ffff0000c6467108 x25: ffff80000df23be8 x24: ffff0000c9396e00 [ 417.351558][ T4415] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 417.353717][ T4415] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 417.355935][ T4415] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 417.358149][ T4415] x14: 0000000000000000 x13: 205d353134345420 x12: ffff80000d183000 [ 417.360306][ T4415] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6e8b8b7810375e00 [ 417.362444][ T4415] x8 : 6e8b8b7810375e00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 417.364586][ T4415] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 417.366792][ T4415] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 417.368909][ T4415] Call trace: [ 417.369806][ T4415] kernfs_remove_by_name_ns+0xb4/0x110 [ 417.371266][ T4415] sysfs_remove_group+0x68/0x160 [ 417.372554][ T4415] sysfs_remove_groups+0x3c/0x78 [ 417.373805][ T4415] __kobject_del+0x34/0x134 [ 417.375028][ T4415] kobject_del+0x2c/0x4c [ 417.376131][ T4415] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 417.377635][ T4415] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 417.379170][ T4415] nbd_start_device+0xc4/0x510 [ 417.380521][ T4415] nbd_ioctl+0x228/0x66c [ 417.381661][ T4415] blkdev_ioctl+0x218/0x664 [ 417.382837][ T4415] __arm64_sys_ioctl+0xd0/0x148 [ 417.384143][ T4415] invoke_syscall+0x64/0x178 [ 417.385338][ T4415] el0_svc_common+0xb8/0x174 [ 417.386546][ T4415] do_el0_svc+0x48/0x174 [ 417.387695][ T4415] el0_svc+0x34/0x110 [ 417.388748][ T4415] el0t_64_sync_handler+0x84/0xf0 [ 417.390084][ T4415] el0t_64_sync+0x18c/0x190 [ 417.391270][ T4415] ---[ end trace 0000000000000000 ]--- [ 417.392705][ T4415] ------------[ cut here ]------------ [ 417.394131][ T4415] kernfs: can not remove 'cpu_list', no directory [ 417.395892][ T4415] WARNING: CPU: 1 PID: 4415 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 417.398433][ T4415] Modules linked in: [ 417.399488][ T4415] CPU: 1 PID: 4415 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 417.402110][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 417.404770][ T4415] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 417.406881][ T4415] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 417.408437][ T4415] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 417.410039][ T4415] sp : ffff80000df23ac0 [ 417.411113][ T4415] x29: ffff80000df23ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 417.413195][ T4415] x26: ffff0000c6467108 x25: ffff80000df23be8 x24: ffff0000c9396e00 [ 417.415348][ T4415] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 417.417529][ T4415] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 417.419694][ T4415] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 417.421801][ T4415] x14: 0000000000000000 x13: 205d353134345420 x12: ffff80000d183000 [ 417.423863][ T4415] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6e8b8b7810375e00 [ 417.426048][ T4415] x8 : 6e8b8b7810375e00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 417.428238][ T4415] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 417.430366][ T4415] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 417.432536][ T4415] Call trace: [ 417.433390][ T4415] kernfs_remove_by_name_ns+0xb4/0x110 [ 417.434800][ T4415] sysfs_remove_group+0x68/0x160 [ 417.436093][ T4415] sysfs_remove_groups+0x3c/0x78 [ 417.437440][ T4415] __kobject_del+0x34/0x134 [ 417.438705][ T4415] kobject_del+0x2c/0x4c [ 417.439814][ T4415] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 417.441358][ T4415] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 417.442869][ T4415] nbd_start_device+0xc4/0x510 [ 417.444164][ T4415] nbd_ioctl+0x228/0x66c [ 417.445354][ T4415] blkdev_ioctl+0x218/0x664 [ 417.446601][ T4415] __arm64_sys_ioctl+0xd0/0x148 [ 417.447885][ T4415] invoke_syscall+0x64/0x178 [ 417.449140][ T4415] el0_svc_common+0xb8/0x174 [ 417.450407][ T4415] do_el0_svc+0x48/0x174 [ 417.451544][ T4415] el0_svc+0x34/0x110 [ 417.452608][ T4415] el0t_64_sync_handler+0x84/0xf0 [ 417.453946][ T4415] el0t_64_sync+0x18c/0x190 [ 417.455099][ T4415] ---[ end trace 0000000000000000 ]--- [ 417.459089][ T4415] block nbd0: shutting down sockets [ 417.552726][ T4417] FAULT_INJECTION: forcing a failure. [ 417.552726][ T4417] name failslab, interval 1, probability 0, space 0, times 0 [ 417.556328][ T4417] CPU: 1 PID: 4417 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 417.558893][ T4417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 417.561475][ T4417] Call trace: [ 417.562319][ T4417] dump_backtrace+0x1c8/0x1f4 [ 417.563643][ T4417] show_stack+0x2c/0x3c [ 417.564819][ T4417] dump_stack_lvl+0xc0/0x104 [ 417.566060][ T4417] dump_stack+0x1c/0x4c [ 417.567194][ T4417] should_fail_ex+0x1bc/0x1e0 [ 417.568495][ T4417] __should_failslab+0x64/0x78 [ 417.569898][ T4417] should_failslab+0x10/0x28 [ 417.571096][ T4417] slab_pre_alloc_hook+0x54/0x1f4 [ 417.572431][ T4417] kmem_cache_alloc_lru+0x60/0x2ac [ 417.573852][ T4417] alloc_inode+0x7c/0x104 [ 417.575033][ T4417] new_inode+0x2c/0xc0 [ 417.576153][ T4417] debugfs_create_dir+0x98/0x1e0 [ 417.577533][ T4417] nbd_start_device+0x1b4/0x510 [ 417.578865][ T4417] nbd_ioctl+0x228/0x66c [ 417.579998][ T4417] blkdev_ioctl+0x218/0x664 [ 417.581217][ T4417] __arm64_sys_ioctl+0xd0/0x148 [ 417.582552][ T4417] invoke_syscall+0x64/0x178 [ 417.583777][ T4417] el0_svc_common+0xb8/0x174 [ 417.585057][ T4417] do_el0_svc+0x48/0x174 [ 417.586195][ T4417] el0_svc+0x34/0x110 [ 417.587229][ T4417] el0t_64_sync_handler+0x84/0xf0 [ 417.588636][ T4417] el0t_64_sync+0x18c/0x190 [ 417.589920][ T4417] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.591971][ T4417] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.710681][ T4417] block nbd0: shutting down sockets [ 417.822455][ T4420] block nbd0: Device being setup by another task [ 417.864894][ T4419] FAULT_INJECTION: forcing a failure. [ 417.864894][ T4419] name failslab, interval 1, probability 0, space 0, times 0 [ 417.868364][ T4419] CPU: 0 PID: 4419 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 417.871051][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 417.873743][ T4419] Call trace: [ 417.874638][ T4419] dump_backtrace+0x1c8/0x1f4 [ 417.875846][ T4419] show_stack+0x2c/0x3c [ 417.876973][ T4419] dump_stack_lvl+0xc0/0x104 [ 417.878197][ T4419] dump_stack+0x1c/0x4c [ 417.879361][ T4419] should_fail_ex+0x1bc/0x1e0 [ 417.880651][ T4419] __should_failslab+0x64/0x78 [ 417.881937][ T4419] should_failslab+0x10/0x28 [ 417.883143][ T4419] __kmem_cache_alloc_node+0x6c/0x348 [ 417.884564][ T4419] __kmalloc_node_track_caller+0x84/0xc0 [ 417.886040][ T4419] kstrdup_const+0x90/0xdc [ 417.887282][ T4419] __kernfs_new_node+0x5c/0x2e8 [ 417.888590][ T4419] kernfs_create_dir_ns+0xac/0x188 [ 417.889989][ T4419] sysfs_create_dir_ns+0x8c/0x168 [ 417.891363][ T4419] kobject_add_internal+0x314/0x64c [ 417.892758][ T4419] kobject_add+0xb8/0x130 [ 417.893953][ T4419] blk_mq_register_hctx+0x54/0x184 [ 417.895324][ T4419] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.896838][ T4419] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.898414][ T4419] nbd_start_device+0xc4/0x510 [ 417.899742][ T4419] nbd_ioctl+0x228/0x66c [ 417.900882][ T4419] blkdev_ioctl+0x218/0x664 [ 417.902079][ T4419] __arm64_sys_ioctl+0xd0/0x148 [ 417.903371][ T4419] invoke_syscall+0x64/0x178 [ 417.904622][ T4419] el0_svc_common+0xb8/0x174 [ 417.905835][ T4419] do_el0_svc+0x48/0x174 [ 417.907002][ T4419] el0_svc+0x34/0x110 [ 417.908060][ T4419] el0t_64_sync_handler+0x84/0xf0 [ 417.909257][ T4419] el0t_64_sync+0x18c/0x190 [ 417.910385][ T4419] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 418.017567][ T4419] block nbd0: shutting down sockets [ 418.132477][ T4423] block nbd0: Device being setup by another task [ 418.134293][ T4422] FAULT_INJECTION: forcing a failure. [ 418.134293][ T4422] name failslab, interval 1, probability 0, space 0, times 0 [ 418.137738][ T4422] CPU: 0 PID: 4422 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 418.140415][ T4422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 418.143181][ T4422] Call trace: [ 418.144074][ T4422] dump_backtrace+0x1c8/0x1f4 [ 418.145323][ T4422] show_stack+0x2c/0x3c [ 418.146466][ T4422] dump_stack_lvl+0xc0/0x104 [ 418.147713][ T4422] dump_stack+0x1c/0x4c [ 418.148810][ T4422] should_fail_ex+0x1bc/0x1e0 [ 418.150021][ T4422] __should_failslab+0x64/0x78 [ 418.151296][ T4422] should_failslab+0x10/0x28 [ 418.152592][ T4422] slab_pre_alloc_hook+0x54/0x1f4 [ 418.153957][ T4422] kmem_cache_alloc_lru+0x60/0x2ac [ 418.155370][ T4422] alloc_inode+0x7c/0x104 [ 418.156546][ T4422] new_inode+0x2c/0xc0 [ 418.157640][ T4422] debugfs_create_dir+0x98/0x1e0 [ 418.158996][ T4422] nbd_start_device+0x1b4/0x510 [ 418.160308][ T4422] nbd_ioctl+0x228/0x66c [ 418.161429][ T4422] blkdev_ioctl+0x218/0x664 [ 418.162627][ T4422] __arm64_sys_ioctl+0xd0/0x148 [ 418.163981][ T4422] invoke_syscall+0x64/0x178 [ 418.165214][ T4422] el0_svc_common+0xb8/0x174 [ 418.166487][ T4422] do_el0_svc+0x48/0x174 [ 418.167617][ T4422] el0_svc+0x34/0x110 [ 418.168665][ T4422] el0t_64_sync_handler+0x84/0xf0 [ 418.170006][ T4422] el0t_64_sync+0x18c/0x190 [ 418.171213][ T4422] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.173318][ T4422] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.285950][ T4422] block nbd0: shutting down sockets [ 418.432471][ T4426] block nbd0: Device being setup by another task [ 418.434296][ T4425] FAULT_INJECTION: forcing a failure. [ 418.434296][ T4425] name failslab, interval 1, probability 0, space 0, times 0 [ 418.437894][ T4425] CPU: 0 PID: 4425 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 418.440520][ T4425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 418.443297][ T4425] Call trace: [ 418.444257][ T4425] dump_backtrace+0x1c8/0x1f4 [ 418.445494][ T4425] show_stack+0x2c/0x3c [ 418.446577][ T4425] dump_stack_lvl+0xc0/0x104 [ 418.447795][ T4425] dump_stack+0x1c/0x4c [ 418.448894][ T4425] should_fail_ex+0x1bc/0x1e0 [ 418.450033][ T4425] __should_failslab+0x64/0x78 [ 418.451341][ T4425] should_failslab+0x10/0x28 [ 418.452530][ T4425] slab_pre_alloc_hook+0x54/0x1f4 [ 418.453832][ T4425] kmem_cache_alloc_lru+0x60/0x2ac [ 418.455150][ T4425] alloc_inode+0x7c/0x104 [ 418.456281][ T4425] new_inode+0x2c/0xc0 [ 418.457327][ T4425] debugfs_create_dir+0x98/0x1e0 [ 418.458618][ T4425] nbd_start_device+0x1b4/0x510 [ 418.459841][ T4425] nbd_ioctl+0x228/0x66c [ 418.460954][ T4425] blkdev_ioctl+0x218/0x664 [ 418.462130][ T4425] __arm64_sys_ioctl+0xd0/0x148 [ 418.463505][ T4425] invoke_syscall+0x64/0x178 [ 418.464734][ T4425] el0_svc_common+0xb8/0x174 [ 418.465940][ T4425] do_el0_svc+0x48/0x174 [ 418.467052][ T4425] el0_svc+0x34/0x110 [ 418.468127][ T4425] el0t_64_sync_handler+0x84/0xf0 [ 418.469481][ T4425] el0t_64_sync+0x18c/0x190 [ 418.470712][ T4425] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.472722][ T4425] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.554874][ T4425] block nbd0: shutting down sockets [ 418.692449][ T4429] block nbd0: Device being setup by another task [ 418.694143][ T4428] FAULT_INJECTION: forcing a failure. [ 418.694143][ T4428] name failslab, interval 1, probability 0, space 0, times 0 [ 418.697624][ T4428] CPU: 0 PID: 4428 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 418.700234][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 418.702881][ T4428] Call trace: [ 418.703768][ T4428] dump_backtrace+0x1c8/0x1f4 [ 418.705072][ T4428] show_stack+0x2c/0x3c [ 418.706209][ T4428] dump_stack_lvl+0xc0/0x104 [ 418.707446][ T4428] dump_stack+0x1c/0x4c [ 418.708546][ T4428] should_fail_ex+0x1bc/0x1e0 [ 418.709866][ T4428] __should_failslab+0x64/0x78 [ 418.711146][ T4428] should_failslab+0x10/0x28 [ 418.712365][ T4428] slab_pre_alloc_hook+0x54/0x1f4 [ 418.713672][ T4428] kmem_cache_alloc_lru+0x60/0x2ac [ 418.714977][ T4428] alloc_inode+0x7c/0x104 [ 418.716136][ T4428] new_inode+0x2c/0xc0 [ 418.717197][ T4428] debugfs_create_dir+0x98/0x1e0 [ 418.718552][ T4428] nbd_start_device+0x1b4/0x510 [ 418.719882][ T4428] nbd_ioctl+0x228/0x66c [ 418.720991][ T4428] blkdev_ioctl+0x218/0x664 [ 418.722174][ T4428] __arm64_sys_ioctl+0xd0/0x148 [ 418.723484][ T4428] invoke_syscall+0x64/0x178 [ 418.724666][ T4428] el0_svc_common+0xb8/0x174 [ 418.725880][ T4428] do_el0_svc+0x48/0x174 [ 418.727016][ T4428] el0_svc+0x34/0x110 [ 418.728066][ T4428] el0t_64_sync_handler+0x84/0xf0 [ 418.729389][ T4428] el0t_64_sync+0x18c/0x190 [ 418.730657][ T4428] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.732689][ T4428] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.822398][ T4428] block nbd0: shutting down sockets [ 418.932603][ T4432] block nbd0: Device being setup by another task [ 418.934466][ T4431] FAULT_INJECTION: forcing a failure. [ 418.934466][ T4431] name failslab, interval 1, probability 0, space 0, times 0 [ 418.937787][ T4431] CPU: 1 PID: 4431 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 418.940302][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 418.942997][ T4431] Call trace: [ 418.943905][ T4431] dump_backtrace+0x1c8/0x1f4 [ 418.945170][ T4431] show_stack+0x2c/0x3c [ 418.946272][ T4431] dump_stack_lvl+0xc0/0x104 [ 418.947479][ T4431] dump_stack+0x1c/0x4c [ 418.948578][ T4431] should_fail_ex+0x1bc/0x1e0 [ 418.949833][ T4431] __should_failslab+0x64/0x78 [ 418.951156][ T4431] should_failslab+0x10/0x28 [ 418.952435][ T4431] slab_pre_alloc_hook+0x54/0x1f4 [ 418.953768][ T4431] kmem_cache_alloc_lru+0x60/0x2ac [ 418.955148][ T4431] alloc_inode+0x7c/0x104 [ 418.956322][ T4431] new_inode+0x2c/0xc0 [ 418.957449][ T4431] debugfs_create_dir+0x98/0x1e0 [ 418.958861][ T4431] nbd_start_device+0x1b4/0x510 [ 418.960214][ T4431] nbd_ioctl+0x228/0x66c [ 418.961432][ T4431] blkdev_ioctl+0x218/0x664 [ 418.962683][ T4431] __arm64_sys_ioctl+0xd0/0x148 [ 418.964033][ T4431] invoke_syscall+0x64/0x178 [ 418.965255][ T4431] el0_svc_common+0xb8/0x174 [ 418.966457][ T4431] do_el0_svc+0x48/0x174 [ 418.967654][ T4431] el0_svc+0x34/0x110 [ 418.968799][ T4431] el0t_64_sync_handler+0x84/0xf0 [ 418.970158][ T4431] el0t_64_sync+0x18c/0x190 [ 418.971443][ T4431] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.973550][ T4431] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.090359][ T4431] block nbd0: shutting down sockets [ 419.224683][ T4434] ------------[ cut here ]------------ [ 419.226225][ T4434] kernfs: can not remove 'nr_tags', no directory [ 419.228044][ T4434] WARNING: CPU: 0 PID: 4434 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.230649][ T4434] Modules linked in: [ 419.231656][ T4434] CPU: 0 PID: 4434 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 419.234334][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 419.237057][ T4434] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.239164][ T4434] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.240762][ T4434] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.242321][ T4434] sp : ffff80000df03ac0 [ 419.243441][ T4434] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 419.245656][ T4434] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0001ffb9e000 [ 419.247826][ T4434] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.250002][ T4434] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.252118][ T4434] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 419.254315][ T4434] x14: 0000000000000000 x13: 205d343334345420 x12: ffff80000d183000 [ 419.256494][ T4434] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 70adb77bec899200 [ 419.258664][ T4434] x8 : 70adb77bec899200 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 419.260809][ T4434] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.263020][ T4434] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.265178][ T4434] Call trace: [ 419.266053][ T4434] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.267565][ T4434] sysfs_remove_group+0x68/0x160 [ 419.268897][ T4434] sysfs_remove_groups+0x3c/0x78 [ 419.270275][ T4434] __kobject_del+0x34/0x134 [ 419.271541][ T4434] kobject_del+0x2c/0x4c [ 419.272688][ T4434] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.274226][ T4434] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.275783][ T4434] nbd_start_device+0xc4/0x510 [ 419.277127][ T4434] nbd_ioctl+0x228/0x66c [ 419.278232][ T4434] blkdev_ioctl+0x218/0x664 [ 419.279408][ T4434] __arm64_sys_ioctl+0xd0/0x148 [ 419.280653][ T4434] invoke_syscall+0x64/0x178 [ 419.281841][ T4434] el0_svc_common+0xb8/0x174 [ 419.283014][ T4434] do_el0_svc+0x48/0x174 [ 419.284135][ T4434] el0_svc+0x34/0x110 [ 419.285229][ T4434] el0t_64_sync_handler+0x84/0xf0 [ 419.286560][ T4434] el0t_64_sync+0x18c/0x190 [ 419.287727][ T4434] ---[ end trace 0000000000000000 ]--- [ 419.289296][ T4434] ------------[ cut here ]------------ [ 419.290761][ T4434] kernfs: can not remove 'nr_reserved_tags', no directory [ 419.292693][ T4434] WARNING: CPU: 0 PID: 4434 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.295297][ T4434] Modules linked in: [ 419.296328][ T4434] CPU: 0 PID: 4434 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 419.298882][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 419.301543][ T4434] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.303601][ T4434] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.305200][ T4434] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.306707][ T4434] sp : ffff80000df03ac0 [ 419.307874][ T4434] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 419.310035][ T4434] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0001ffb9e000 [ 419.312225][ T4434] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.314325][ T4434] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.316424][ T4434] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 419.318472][ T4434] x14: 0000000000000000 x13: 205d343334345420 x12: ffff80000d183000 [ 419.320619][ T4434] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 70adb77bec899200 [ 419.322815][ T4434] x8 : 70adb77bec899200 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 419.324941][ T4434] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.327195][ T4434] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.329355][ T4434] Call trace: [ 419.330198][ T4434] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.331684][ T4434] sysfs_remove_group+0x68/0x160 [ 419.332950][ T4434] sysfs_remove_groups+0x3c/0x78 [ 419.334343][ T4434] __kobject_del+0x34/0x134 [ 419.335494][ T4434] kobject_del+0x2c/0x4c [ 419.336658][ T4434] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.338266][ T4434] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.339740][ T4434] nbd_start_device+0xc4/0x510 [ 419.341008][ T4434] nbd_ioctl+0x228/0x66c [ 419.342196][ T4434] blkdev_ioctl+0x218/0x664 [ 419.343450][ T4434] __arm64_sys_ioctl+0xd0/0x148 [ 419.344770][ T4434] invoke_syscall+0x64/0x178 [ 419.346020][ T4434] el0_svc_common+0xb8/0x174 [ 419.347269][ T4434] do_el0_svc+0x48/0x174 [ 419.348417][ T4434] el0_svc+0x34/0x110 [ 419.349450][ T4434] el0t_64_sync_handler+0x84/0xf0 [ 419.350806][ T4434] el0t_64_sync+0x18c/0x190 [ 419.351991][ T4434] ---[ end trace 0000000000000000 ]--- [ 419.353496][ T4434] ------------[ cut here ]------------ [ 419.354911][ T4434] kernfs: can not remove 'cpu_list', no directory [ 419.356618][ T4434] WARNING: CPU: 0 PID: 4434 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.359178][ T4434] Modules linked in: [ 419.360210][ T4434] CPU: 0 PID: 4434 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 419.362832][ T4434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 419.365510][ T4434] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.367630][ T4434] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.369192][ T4434] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.370803][ T4434] sp : ffff80000df03ac0 [ 419.371909][ T4434] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 419.374072][ T4434] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0001ffb9e000 [ 419.376219][ T4434] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.378461][ T4434] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.380620][ T4434] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 419.382779][ T4434] x14: 0000000000000000 x13: 205d343334345420 x12: ffff80000d183000 [ 419.384967][ T4434] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 70adb77bec899200 [ 419.387126][ T4434] x8 : 70adb77bec899200 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 419.389313][ T4434] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.391441][ T4434] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.393630][ T4434] Call trace: [ 419.394508][ T4434] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.395997][ T4434] sysfs_remove_group+0x68/0x160 [ 419.397363][ T4434] sysfs_remove_groups+0x3c/0x78 [ 419.398682][ T4434] __kobject_del+0x34/0x134 [ 419.399936][ T4434] kobject_del+0x2c/0x4c [ 419.401078][ T4434] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.402635][ T4434] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.404205][ T4434] nbd_start_device+0xc4/0x510 [ 419.405508][ T4434] nbd_ioctl+0x228/0x66c [ 419.406634][ T4434] blkdev_ioctl+0x218/0x664 [ 419.407844][ T4434] __arm64_sys_ioctl+0xd0/0x148 [ 419.409156][ T4434] invoke_syscall+0x64/0x178 [ 419.410380][ T4434] el0_svc_common+0xb8/0x174 [ 419.411608][ T4434] do_el0_svc+0x48/0x174 [ 419.412731][ T4434] el0_svc+0x34/0x110 [ 419.413756][ T4434] el0t_64_sync_handler+0x84/0xf0 [ 419.415186][ T4434] el0t_64_sync+0x18c/0x190 [ 419.416405][ T4434] ---[ end trace 0000000000000000 ]--- [ 419.420123][ T4434] block nbd0: shutting down sockets [ 419.532454][ T4437] block nbd0: Device being setup by another task [ 419.574896][ T4436] FAULT_INJECTION: forcing a failure. [ 419.574896][ T4436] name failslab, interval 1, probability 0, space 0, times 0 [ 419.578446][ T4436] CPU: 0 PID: 4436 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 419.580992][ T4436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 419.583773][ T4436] Call trace: [ 419.584646][ T4436] dump_backtrace+0x1c8/0x1f4 [ 419.585863][ T4436] show_stack+0x2c/0x3c [ 419.586976][ T4436] dump_stack_lvl+0xc0/0x104 [ 419.588192][ T4436] dump_stack+0x1c/0x4c [ 419.589316][ T4436] should_fail_ex+0x1bc/0x1e0 [ 419.590588][ T4436] __should_failslab+0x64/0x78 [ 419.591861][ T4436] should_failslab+0x10/0x28 [ 419.593090][ T4436] __kmem_cache_alloc_node+0x6c/0x348 [ 419.594568][ T4436] __kmalloc_node_track_caller+0x84/0xc0 [ 419.596127][ T4436] kstrdup_const+0x90/0xdc [ 419.597299][ T4436] __kernfs_new_node+0x5c/0x2e8 [ 419.598661][ T4436] kernfs_create_dir_ns+0xac/0x188 [ 419.600017][ T4436] sysfs_create_dir_ns+0x8c/0x168 [ 419.601423][ T4436] kobject_add_internal+0x314/0x64c [ 419.602777][ T4436] kobject_add+0xb8/0x130 [ 419.603887][ T4436] blk_mq_register_hctx+0x54/0x184 [ 419.605340][ T4436] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 419.606889][ T4436] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 419.608424][ T4436] nbd_start_device+0xc4/0x510 [ 419.609777][ T4436] nbd_ioctl+0x228/0x66c [ 419.610905][ T4436] blkdev_ioctl+0x218/0x664 [ 419.612084][ T4436] __arm64_sys_ioctl+0xd0/0x148 [ 419.613510][ T4436] invoke_syscall+0x64/0x178 [ 419.614712][ T4436] el0_svc_common+0xb8/0x174 [ 419.615931][ T4436] do_el0_svc+0x48/0x174 [ 419.617092][ T4436] el0_svc+0x34/0x110 [ 419.618117][ T4436] el0t_64_sync_handler+0x84/0xf0 [ 419.619477][ T4436] el0t_64_sync+0x18c/0x190 [ 419.620778][ T4436] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 419.727731][ T4436] block nbd0: shutting down sockets [ 419.893677][ T4440] ------------[ cut here ]------------ [ 419.895269][ T4440] kernfs: can not remove 'nr_tags', no directory [ 419.896989][ T4440] WARNING: CPU: 0 PID: 4440 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.899509][ T4440] Modules linked in: [ 419.900512][ T4440] CPU: 0 PID: 4440 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 419.903171][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 419.905946][ T4440] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.908052][ T4440] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.909666][ T4440] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.911263][ T4440] sp : ffff80000df0bac0 [ 419.912374][ T4440] x29: ffff80000df0bac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 419.914526][ T4440] x26: ffff0000c6467108 x25: ffff80000df0bbe8 x24: ffff0000c56c4180 [ 419.916678][ T4440] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.918915][ T4440] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.921104][ T4440] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 419.923273][ T4440] x14: 0000000000000000 x13: 205d303434345420 x12: ffff80000d183000 [ 419.925508][ T4440] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 190cade8f36e3800 [ 419.927735][ T4440] x8 : 190cade8f36e3800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 419.929957][ T4440] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.932092][ T4440] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.934303][ T4440] Call trace: [ 419.935197][ T4440] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.936755][ T4440] sysfs_remove_group+0x68/0x160 [ 419.938122][ T4440] sysfs_remove_groups+0x3c/0x78 [ 419.939458][ T4440] __kobject_del+0x34/0x134 [ 419.940644][ T4440] kobject_del+0x2c/0x4c [ 419.941777][ T4440] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.943388][ T4440] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.944959][ T4440] nbd_start_device+0xc4/0x510 [ 419.946242][ T4440] nbd_ioctl+0x228/0x66c [ 419.947411][ T4440] blkdev_ioctl+0x218/0x664 [ 419.948671][ T4440] __arm64_sys_ioctl+0xd0/0x148 [ 419.949953][ T4440] invoke_syscall+0x64/0x178 [ 419.951271][ T4440] el0_svc_common+0xb8/0x174 [ 419.952431][ T4440] do_el0_svc+0x48/0x174 [ 419.953651][ T4440] el0_svc+0x34/0x110 [ 419.954733][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 419.956076][ T4440] el0t_64_sync+0x18c/0x190 [ 419.957241][ T4440] ---[ end trace 0000000000000000 ]--- [ 419.958814][ T4440] ------------[ cut here ]------------ [ 419.960294][ T4440] kernfs: can not remove 'nr_reserved_tags', no directory [ 419.962230][ T4440] WARNING: CPU: 0 PID: 4440 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.964852][ T4440] Modules linked in: [ 419.965947][ T4440] CPU: 0 PID: 4440 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 419.968722][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 419.971497][ T4440] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.973629][ T4440] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.975225][ T4440] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.976763][ T4440] sp : ffff80000df0bac0 [ 419.977905][ T4440] x29: ffff80000df0bac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 419.980081][ T4440] x26: ffff0000c6467108 x25: ffff80000df0bbe8 x24: ffff0000c56c4180 [ 419.982289][ T4440] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.984479][ T4440] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.986699][ T4440] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 419.988898][ T4440] x14: 0000000000000000 x13: 205d303434345420 x12: ffff80000d183000 [ 419.991091][ T4440] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 190cade8f36e3800 [ 419.993297][ T4440] x8 : 190cade8f36e3800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 419.995451][ T4440] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.997587][ T4440] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.999766][ T4440] Call trace: [ 420.000660][ T4440] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.002111][ T4440] sysfs_remove_group+0x68/0x160 [ 420.003419][ T4440] sysfs_remove_groups+0x3c/0x78 [ 420.004771][ T4440] __kobject_del+0x34/0x134 [ 420.006001][ T4440] kobject_del+0x2c/0x4c [ 420.007103][ T4440] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.008758][ T4440] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.010440][ T4440] nbd_start_device+0xc4/0x510 [ 420.011746][ T4440] nbd_ioctl+0x228/0x66c [ 420.012861][ T4440] blkdev_ioctl+0x218/0x664 [ 420.014083][ T4440] __arm64_sys_ioctl+0xd0/0x148 [ 420.015403][ T4440] invoke_syscall+0x64/0x178 [ 420.016653][ T4440] el0_svc_common+0xb8/0x174 [ 420.017872][ T4440] do_el0_svc+0x48/0x174 [ 420.019013][ T4440] el0_svc+0x34/0x110 [ 420.020109][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 420.021518][ T4440] el0t_64_sync+0x18c/0x190 [ 420.022725][ T4440] ---[ end trace 0000000000000000 ]--- [ 420.024244][ T4440] ------------[ cut here ]------------ [ 420.025638][ T4440] kernfs: can not remove 'cpu_list', no directory [ 420.027401][ T4440] WARNING: CPU: 0 PID: 4440 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.029916][ T4440] Modules linked in: [ 420.030965][ T4440] CPU: 0 PID: 4440 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 420.033625][ T4440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 420.036340][ T4440] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.038474][ T4440] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.040105][ T4440] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.041761][ T4440] sp : ffff80000df0bac0 [ 420.042868][ T4440] x29: ffff80000df0bac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 420.045053][ T4440] x26: ffff0000c6467108 x25: ffff80000df0bbe8 x24: ffff0000c56c4180 [ 420.047202][ T4440] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 420.049355][ T4440] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.051483][ T4440] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 420.053671][ T4440] x14: 0000000000000000 x13: 205d303434345420 x12: ffff80000d183000 [ 420.055870][ T4440] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 190cade8f36e3800 [ 420.058054][ T4440] x8 : 190cade8f36e3800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 420.060187][ T4440] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.062469][ T4440] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.064657][ T4440] Call trace: [ 420.065494][ T4440] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.066963][ T4440] sysfs_remove_group+0x68/0x160 [ 420.068331][ T4440] sysfs_remove_groups+0x3c/0x78 [ 420.069592][ T4440] __kobject_del+0x34/0x134 [ 420.070842][ T4440] kobject_del+0x2c/0x4c [ 420.071993][ T4440] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.073637][ T4440] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.075224][ T4440] nbd_start_device+0xc4/0x510 [ 420.076523][ T4440] nbd_ioctl+0x228/0x66c [ 420.077658][ T4440] blkdev_ioctl+0x218/0x664 [ 420.078863][ T4440] __arm64_sys_ioctl+0xd0/0x148 [ 420.080093][ T4440] invoke_syscall+0x64/0x178 [ 420.081349][ T4440] el0_svc_common+0xb8/0x174 [ 420.082600][ T4440] do_el0_svc+0x48/0x174 [ 420.083724][ T4440] el0_svc+0x34/0x110 [ 420.084803][ T4440] el0t_64_sync_handler+0x84/0xf0 [ 420.086171][ T4440] el0t_64_sync+0x18c/0x190 [ 420.087437][ T4440] ---[ end trace 0000000000000000 ]--- [ 420.091159][ T4440] block nbd0: shutting down sockets [ 420.182660][ T4442] FAULT_INJECTION: forcing a failure. [ 420.182660][ T4442] name failslab, interval 1, probability 0, space 0, times 0 [ 420.186066][ T4442] CPU: 0 PID: 4442 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 420.188668][ T4442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 420.191364][ T4442] Call trace: [ 420.192180][ T4442] dump_backtrace+0x1c8/0x1f4 [ 420.193429][ T4442] show_stack+0x2c/0x3c [ 420.194539][ T4442] dump_stack_lvl+0xc0/0x104 [ 420.195744][ T4442] dump_stack+0x1c/0x4c [ 420.196871][ T4442] should_fail_ex+0x1bc/0x1e0 [ 420.198095][ T4442] __should_failslab+0x64/0x78 [ 420.199361][ T4442] should_failslab+0x10/0x28 [ 420.200551][ T4442] slab_pre_alloc_hook+0x54/0x1f4 [ 420.201899][ T4442] kmem_cache_alloc_lru+0x60/0x2ac [ 420.203307][ T4442] alloc_inode+0x7c/0x104 [ 420.204434][ T4442] new_inode+0x2c/0xc0 [ 420.205500][ T4442] debugfs_create_dir+0x98/0x1e0 [ 420.206808][ T4442] nbd_start_device+0x1b4/0x510 [ 420.208186][ T4442] nbd_ioctl+0x228/0x66c [ 420.209356][ T4442] blkdev_ioctl+0x218/0x664 [ 420.210545][ T4442] __arm64_sys_ioctl+0xd0/0x148 [ 420.211821][ T4442] invoke_syscall+0x64/0x178 [ 420.213047][ T4442] el0_svc_common+0xb8/0x174 [ 420.214290][ T4442] do_el0_svc+0x48/0x174 [ 420.215404][ T4442] el0_svc+0x34/0x110 [ 420.216414][ T4442] el0t_64_sync_handler+0x84/0xf0 [ 420.217733][ T4442] el0t_64_sync+0x18c/0x190 [ 420.218988][ T4442] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.221149][ T4442] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.340157][ T4442] block nbd0: shutting down sockets [ 420.462463][ T4445] block nbd0: Device being setup by another task [ 420.503919][ T4444] FAULT_INJECTION: forcing a failure. [ 420.503919][ T4444] name failslab, interval 1, probability 0, space 0, times 0 [ 420.507550][ T4444] CPU: 1 PID: 4444 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 420.510085][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 420.512733][ T4444] Call trace: [ 420.513579][ T4444] dump_backtrace+0x1c8/0x1f4 [ 420.514818][ T4444] show_stack+0x2c/0x3c [ 420.515955][ T4444] dump_stack_lvl+0xc0/0x104 [ 420.517238][ T4444] dump_stack+0x1c/0x4c [ 420.518314][ T4444] should_fail_ex+0x1bc/0x1e0 [ 420.519587][ T4444] __should_failslab+0x64/0x78 [ 420.520798][ T4444] should_failslab+0x10/0x28 [ 420.522029][ T4444] __kmem_cache_alloc_node+0x6c/0x348 [ 420.523474][ T4444] __kmalloc_node_track_caller+0x84/0xc0 [ 420.524967][ T4444] kstrdup_const+0x90/0xdc [ 420.526132][ T4444] __kernfs_new_node+0x5c/0x2e8 [ 420.527362][ T4444] kernfs_create_dir_ns+0xac/0x188 [ 420.528703][ T4444] sysfs_create_dir_ns+0x8c/0x168 [ 420.530152][ T4444] kobject_add_internal+0x314/0x64c [ 420.531534][ T4444] kobject_add+0xb8/0x130 [ 420.532704][ T4444] blk_mq_register_hctx+0x54/0x184 [ 420.534039][ T4444] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 420.535603][ T4444] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 420.537098][ T4444] nbd_start_device+0xc4/0x510 [ 420.538436][ T4444] nbd_ioctl+0x228/0x66c [ 420.539562][ T4444] blkdev_ioctl+0x218/0x664 [ 420.540813][ T4444] __arm64_sys_ioctl+0xd0/0x148 [ 420.542121][ T4444] invoke_syscall+0x64/0x178 [ 420.543343][ T4444] el0_svc_common+0xb8/0x174 [ 420.544551][ T4444] do_el0_svc+0x48/0x174 [ 420.545662][ T4444] el0_svc+0x34/0x110 [ 420.546712][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 420.548064][ T4444] el0t_64_sync+0x18c/0x190 [ 420.549293][ T4444] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 420.607791][ T4444] block nbd0: shutting down sockets [ 420.773634][ T4448] ------------[ cut here ]------------ [ 420.775142][ T4448] kernfs: can not remove 'nr_tags', no directory [ 420.776894][ T4448] WARNING: CPU: 1 PID: 4448 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.779338][ T4448] Modules linked in: [ 420.780374][ T4448] CPU: 1 PID: 4448 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 420.783090][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 420.785838][ T4448] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.787960][ T4448] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.789468][ T4448] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.791000][ T4448] sp : ffff80000df2bac0 [ 420.792124][ T4448] x29: ffff80000df2bac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 420.794232][ T4448] x26: ffff0000c6467108 x25: ffff80000df2bbe8 x24: ffff0000cc1ecb80 [ 420.796404][ T4448] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 420.798495][ T4448] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.800649][ T4448] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 420.802763][ T4448] x14: 0000000000000000 x13: 205d383434345420 x12: ffff80000d183000 [ 420.804889][ T4448] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5ee0f5ed51a03000 [ 420.807050][ T4448] x8 : 5ee0f5ed51a03000 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 420.809139][ T4448] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.811350][ T4448] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.813463][ T4448] Call trace: [ 420.814334][ T4448] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.815756][ T4448] sysfs_remove_group+0x68/0x160 [ 420.817087][ T4448] sysfs_remove_groups+0x3c/0x78 [ 420.818450][ T4448] __kobject_del+0x34/0x134 [ 420.819591][ T4448] kobject_del+0x2c/0x4c [ 420.820688][ T4448] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.822305][ T4448] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.823837][ T4448] nbd_start_device+0xc4/0x510 [ 420.825094][ T4448] nbd_ioctl+0x228/0x66c [ 420.826230][ T4448] blkdev_ioctl+0x218/0x664 [ 420.827407][ T4448] __arm64_sys_ioctl+0xd0/0x148 [ 420.828713][ T4448] invoke_syscall+0x64/0x178 [ 420.829943][ T4448] el0_svc_common+0xb8/0x174 [ 420.831155][ T4448] do_el0_svc+0x48/0x174 [ 420.832271][ T4448] el0_svc+0x34/0x110 [ 420.833304][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 420.834566][ T4448] el0t_64_sync+0x18c/0x190 [ 420.835633][ T4448] ---[ end trace 0000000000000000 ]--- [ 420.837020][ T4448] ------------[ cut here ]------------ [ 420.838323][ T4448] kernfs: can not remove 'nr_reserved_tags', no directory [ 420.840082][ T4448] WARNING: CPU: 1 PID: 4448 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.842664][ T4448] Modules linked in: [ 420.843670][ T4448] CPU: 1 PID: 4448 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 420.846295][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 420.849025][ T4448] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.851113][ T4448] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.852631][ T4448] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.854143][ T4448] sp : ffff80000df2bac0 [ 420.855286][ T4448] x29: ffff80000df2bac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 420.857428][ T4448] x26: ffff0000c6467108 x25: ffff80000df2bbe8 x24: ffff0000cc1ecb80 [ 420.859596][ T4448] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 420.861795][ T4448] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.863926][ T4448] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 420.866075][ T4448] x14: 0000000000000000 x13: 205d383434345420 x12: ffff80000d183000 [ 420.868199][ T4448] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5ee0f5ed51a03000 [ 420.870305][ T4448] x8 : 5ee0f5ed51a03000 x7 : 0000000000000000 x6 : ffff80000ae0bd80 [ 420.872433][ T4448] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f4ea8 [ 420.874608][ T4448] x2 : ffff0001fe9f4ea8 x1 : ffff80000b9a2951 x0 : 0000000000000001 [ 420.876728][ T4448] Call trace: [ 420.877627][ T4448] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.879092][ T4448] sysfs_remove_group+0x68/0x160 [ 420.880437][ T4448] sysfs_remove_groups+0x3c/0x78 [ 420.881715][ T4448] __kobject_del+0x34/0x134 [ 420.882954][ T4448] kobject_del+0x2c/0x4c [ 420.884105][ T4448] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.885639][ T4448] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.887169][ T4448] nbd_start_device+0xc4/0x510 [ 420.888440][ T4448] nbd_ioctl+0x228/0x66c [ 420.889532][ T4448] blkdev_ioctl+0x218/0x664 [ 420.890759][ T4448] __arm64_sys_ioctl+0xd0/0x148 [ 420.892086][ T4448] invoke_syscall+0x64/0x178 [ 420.893273][ T4448] el0_svc_common+0xb8/0x174 [ 420.894489][ T4448] do_el0_svc+0x48/0x174 [ 420.895599][ T4448] el0_svc+0x34/0x110 [ 420.896722][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 420.898028][ T4448] el0t_64_sync+0x18c/0x190 [ 420.899193][ T4448] ---[ end trace 0000000000000000 ]--- [ 420.900716][ T4448] ------------[ cut here ]------------ [ 420.902110][ T4448] kernfs: can not remove 'cpu_list', no directory [ 420.904116][ T4448] WARNING: CPU: 1 PID: 4448 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.906658][ T4448] Modules linked in: [ 420.907651][ T4448] CPU: 1 PID: 4448 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 420.910166][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 420.912794][ T4448] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.914949][ T4448] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.916534][ T4448] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.918103][ T4448] sp : ffff80000df2bac0 [ 420.919192][ T4448] x29: ffff80000df2bac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 420.921314][ T4448] x26: ffff0000c6467108 x25: ffff80000df2bbe8 x24: ffff0000cc1ecb80 [ 420.923438][ T4448] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 420.925611][ T4448] x20: 00000000fffffffe x19: 0000000000000000 x18: ffff80000ae4d2cc [ 420.927698][ T4448] x17: 0000000000000000 x16: 000000000000ba7e x15: 000000000000008c [ 420.929802][ T4448] x14: 000000000000002d x13: 0000000000000090 x12: ffff80000d183000 [ 420.931945][ T4448] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5ee0f5ed51a03000 [ 420.934063][ T4448] x8 : 5ee0f5ed51a03000 x7 : 0000000000000000 x6 : ffff800008132e00 [ 420.936168][ T4448] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.938286][ T4448] x2 : 0000000000000000 x1 : ffff80000b9a2951 x0 : 0000000000000001 [ 420.940406][ T4448] Call trace: [ 420.941265][ T4448] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.942723][ T4448] sysfs_remove_group+0x68/0x160 [ 420.944032][ T4448] sysfs_remove_groups+0x3c/0x78 [ 420.945314][ T4448] __kobject_del+0x34/0x134 [ 420.946479][ T4448] kobject_del+0x2c/0x4c [ 420.947584][ T4448] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.949162][ T4448] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.950764][ T4448] nbd_start_device+0xc4/0x510 [ 420.952016][ T4448] nbd_ioctl+0x228/0x66c [ 420.953114][ T4448] blkdev_ioctl+0x218/0x664 [ 420.954336][ T4448] __arm64_sys_ioctl+0xd0/0x148 [ 420.955620][ T4448] invoke_syscall+0x64/0x178 [ 420.956825][ T4448] el0_svc_common+0xb8/0x174 [ 420.958025][ T4448] do_el0_svc+0x48/0x174 [ 420.959165][ T4448] el0_svc+0x34/0x110 [ 420.960234][ T4448] el0t_64_sync_handler+0x84/0xf0 [ 420.961587][ T4448] el0t_64_sync+0x18c/0x190 [ 420.962740][ T4448] ---[ end trace 0000000000000000 ]--- [ 420.966056][ T4448] block nbd0: shutting down sockets [ 421.082461][ T4451] block nbd0: Device being setup by another task [ 421.124086][ T4450] FAULT_INJECTION: forcing a failure. [ 421.124086][ T4450] name failslab, interval 1, probability 0, space 0, times 0 [ 421.127585][ T4450] CPU: 0 PID: 4450 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 421.130196][ T4450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 421.132892][ T4450] Call trace: [ 421.133751][ T4450] dump_backtrace+0x1c8/0x1f4 [ 421.134947][ T4450] show_stack+0x2c/0x3c [ 421.136045][ T4450] dump_stack_lvl+0xc0/0x104 [ 421.137264][ T4450] dump_stack+0x1c/0x4c [ 421.138418][ T4450] should_fail_ex+0x1bc/0x1e0 [ 421.139657][ T4450] __should_failslab+0x64/0x78 [ 421.140923][ T4450] should_failslab+0x10/0x28 [ 421.142126][ T4450] __kmem_cache_alloc_node+0x6c/0x348 [ 421.143538][ T4450] __kmalloc_node_track_caller+0x84/0xc0 [ 421.145036][ T4450] kstrdup_const+0x90/0xdc [ 421.146230][ T4450] __kernfs_new_node+0x5c/0x2e8 [ 421.147514][ T4450] kernfs_create_dir_ns+0xac/0x188 [ 421.148936][ T4450] sysfs_create_dir_ns+0x8c/0x168 [ 421.150262][ T4450] kobject_add_internal+0x314/0x64c [ 421.151624][ T4450] kobject_add+0xb8/0x130 [ 421.152728][ T4450] blk_mq_register_hctx+0x54/0x184 [ 421.154060][ T4450] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 421.155631][ T4450] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 421.157155][ T4450] nbd_start_device+0xc4/0x510 [ 421.158411][ T4450] nbd_ioctl+0x228/0x66c [ 421.159619][ T4450] blkdev_ioctl+0x218/0x664 [ 421.160836][ T4450] __arm64_sys_ioctl+0xd0/0x148 [ 421.162141][ T4450] invoke_syscall+0x64/0x178 [ 421.163412][ T4450] el0_svc_common+0xb8/0x174 [ 421.164647][ T4450] do_el0_svc+0x48/0x174 [ 421.165762][ T4450] el0_svc+0x34/0x110 [ 421.166798][ T4450] el0t_64_sync_handler+0x84/0xf0 [ 421.168142][ T4450] el0t_64_sync+0x18c/0x190 [ 421.169422][ T4450] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 421.275752][ T4450] block nbd0: shutting down sockets [ 421.412456][ T4454] block nbd0: Device being setup by another task [ 421.414204][ T4453] FAULT_INJECTION: forcing a failure. [ 421.414204][ T4453] name failslab, interval 1, probability 0, space 0, times 0 [ 421.417631][ T4453] CPU: 1 PID: 4453 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 421.420208][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 421.422907][ T4453] Call trace: [ 421.423766][ T4453] dump_backtrace+0x1c8/0x1f4 [ 421.425010][ T4453] show_stack+0x2c/0x3c [ 421.426114][ T4453] dump_stack_lvl+0xc0/0x104 [ 421.427331][ T4453] dump_stack+0x1c/0x4c [ 421.428425][ T4453] should_fail_ex+0x1bc/0x1e0 [ 421.429692][ T4453] __should_failslab+0x64/0x78 [ 421.430971][ T4453] should_failslab+0x10/0x28 [ 421.432221][ T4453] slab_pre_alloc_hook+0x54/0x1f4 [ 421.433574][ T4453] kmem_cache_alloc_lru+0x60/0x2ac [ 421.434896][ T4453] alloc_inode+0x7c/0x104 [ 421.436053][ T4453] new_inode+0x2c/0xc0 [ 421.437181][ T4453] debugfs_create_dir+0x98/0x1e0 [ 421.438511][ T4453] nbd_start_device+0x1b4/0x510 [ 421.439833][ T4453] nbd_ioctl+0x228/0x66c [ 421.440966][ T4453] blkdev_ioctl+0x218/0x664 [ 421.442168][ T4453] __arm64_sys_ioctl+0xd0/0x148 [ 421.443470][ T4453] invoke_syscall+0x64/0x178 [ 421.444673][ T4453] el0_svc_common+0xb8/0x174 [ 421.445891][ T4453] do_el0_svc+0x48/0x174 [ 421.447079][ T4453] el0_svc+0x34/0x110 [ 421.448178][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 421.449555][ T4453] el0t_64_sync+0x18c/0x190 [ 421.450796][ T4453] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.452880][ T4453] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.544657][ T4453] block nbd0: shutting down sockets [ 421.702454][ T4457] block nbd0: Device being setup by another task [ 421.704413][ T4456] FAULT_INJECTION: forcing a failure. [ 421.704413][ T4456] name failslab, interval 1, probability 0, space 0, times 0 [ 421.707819][ T4456] CPU: 1 PID: 4456 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 421.710516][ T4456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 421.713126][ T4456] Call trace: [ 421.714034][ T4456] dump_backtrace+0x1c8/0x1f4 [ 421.715312][ T4456] show_stack+0x2c/0x3c [ 421.716456][ T4456] dump_stack_lvl+0xc0/0x104 [ 421.717679][ T4456] dump_stack+0x1c/0x4c [ 421.718792][ T4456] should_fail_ex+0x1bc/0x1e0 [ 421.720055][ T4456] __should_failslab+0x64/0x78 [ 421.721326][ T4456] should_failslab+0x10/0x28 [ 421.722593][ T4456] slab_pre_alloc_hook+0x54/0x1f4 [ 421.723966][ T4456] kmem_cache_alloc_lru+0x60/0x2ac [ 421.725354][ T4456] alloc_inode+0x7c/0x104 [ 421.726531][ T4456] new_inode+0x2c/0xc0 [ 421.727627][ T4456] debugfs_create_dir+0x98/0x1e0 [ 421.728958][ T4456] nbd_start_device+0x1b4/0x510 [ 421.730281][ T4456] nbd_ioctl+0x228/0x66c [ 421.731431][ T4456] blkdev_ioctl+0x218/0x664 [ 421.732653][ T4456] __arm64_sys_ioctl+0xd0/0x148 [ 421.733943][ T4456] invoke_syscall+0x64/0x178 [ 421.735243][ T4456] el0_svc_common+0xb8/0x174 [ 421.736477][ T4456] do_el0_svc+0x48/0x174 [ 421.737622][ T4456] el0_svc+0x34/0x110 [ 421.738764][ T4456] el0t_64_sync_handler+0x84/0xf0 [ 421.740117][ T4456] el0t_64_sync+0x18c/0x190 [ 421.741337][ T4456] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.743401][ T4456] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.814165][ T4456] block nbd0: shutting down sockets [ 421.932522][ T4460] block nbd0: Device being setup by another task [ 421.934450][ T4459] FAULT_INJECTION: forcing a failure. [ 421.934450][ T4459] name failslab, interval 1, probability 0, space 0, times 0 [ 421.937834][ T4459] CPU: 1 PID: 4459 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 421.940504][ T4459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 421.943222][ T4459] Call trace: [ 421.944074][ T4459] dump_backtrace+0x1c8/0x1f4 [ 421.945356][ T4459] show_stack+0x2c/0x3c [ 421.946502][ T4459] dump_stack_lvl+0xc0/0x104 [ 421.947769][ T4459] dump_stack+0x1c/0x4c [ 421.948931][ T4459] should_fail_ex+0x1bc/0x1e0 [ 421.950230][ T4459] __should_failslab+0x64/0x78 [ 421.951467][ T4459] should_failslab+0x10/0x28 [ 421.952679][ T4459] slab_pre_alloc_hook+0x54/0x1f4 [ 421.954094][ T4459] kmem_cache_alloc_lru+0x60/0x2ac [ 421.955495][ T4459] alloc_inode+0x7c/0x104 [ 421.956622][ T4459] new_inode+0x2c/0xc0 [ 421.957737][ T4459] debugfs_create_dir+0x98/0x1e0 [ 421.959109][ T4459] nbd_start_device+0x1b4/0x510 [ 421.960410][ T4459] nbd_ioctl+0x228/0x66c [ 421.961597][ T4459] blkdev_ioctl+0x218/0x664 [ 421.962766][ T4459] __arm64_sys_ioctl+0xd0/0x148 [ 421.964052][ T4459] invoke_syscall+0x64/0x178 [ 421.965310][ T4459] el0_svc_common+0xb8/0x174 [ 421.966494][ T4459] do_el0_svc+0x48/0x174 [ 421.967653][ T4459] el0_svc+0x34/0x110 [ 421.968732][ T4459] el0t_64_sync_handler+0x84/0xf0 [ 421.970118][ T4459] el0t_64_sync+0x18c/0x190 [ 421.971411][ T4459] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.973527][ T4459] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.082820][ T4459] block nbd0: shutting down sockets [ 422.254174][ T4463] ------------[ cut here ]------------ [ 422.255772][ T4463] kernfs: can not remove 'nr_tags', no directory [ 422.257555][ T4463] WARNING: CPU: 0 PID: 4463 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.260196][ T4463] Modules linked in: [ 422.261224][ T4463] CPU: 0 PID: 4463 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 422.263838][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 422.266660][ T4463] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.268766][ T4463] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.270394][ T4463] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.271986][ T4463] sp : ffff80000df03ac0 [ 422.273046][ T4463] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 422.275255][ T4463] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0000cc0a3e00 [ 422.277444][ T4463] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 422.279617][ T4463] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.281755][ T4463] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 422.283907][ T4463] x14: 0000000000000000 x13: 205d333634345420 x12: ffff80000d183000 [ 422.286028][ T4463] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c386e64c1b53f800 [ 422.288179][ T4463] x8 : c386e64c1b53f800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 422.290381][ T4463] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.292527][ T4463] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.294743][ T4463] Call trace: [ 422.295644][ T4463] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.297112][ T4463] sysfs_remove_group+0x68/0x160 [ 422.298491][ T4463] sysfs_remove_groups+0x3c/0x78 [ 422.299763][ T4463] __kobject_del+0x34/0x134 [ 422.300925][ T4463] kobject_del+0x2c/0x4c [ 422.302088][ T4463] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.303706][ T4463] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.305256][ T4463] nbd_start_device+0xc4/0x510 [ 422.306494][ T4463] nbd_ioctl+0x228/0x66c [ 422.307678][ T4463] blkdev_ioctl+0x218/0x664 [ 422.308884][ T4463] __arm64_sys_ioctl+0xd0/0x148 [ 422.310232][ T4463] invoke_syscall+0x64/0x178 [ 422.311473][ T4463] el0_svc_common+0xb8/0x174 [ 422.312702][ T4463] do_el0_svc+0x48/0x174 [ 422.313895][ T4463] el0_svc+0x34/0x110 [ 422.315087][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 422.316493][ T4463] el0t_64_sync+0x18c/0x190 [ 422.317698][ T4463] ---[ end trace 0000000000000000 ]--- [ 422.319199][ T4463] ------------[ cut here ]------------ [ 422.320673][ T4463] kernfs: can not remove 'nr_reserved_tags', no directory [ 422.322695][ T4463] WARNING: CPU: 0 PID: 4463 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.325342][ T4463] Modules linked in: [ 422.326365][ T4463] CPU: 0 PID: 4463 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 422.329082][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 422.331691][ T4463] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.333837][ T4463] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.335400][ T4463] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.336987][ T4463] sp : ffff80000df03ac0 [ 422.338085][ T4463] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 422.340232][ T4463] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0000cc0a3e00 [ 422.342521][ T4463] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 422.344743][ T4463] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.346920][ T4463] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 422.349109][ T4463] x14: 0000000000000000 x13: 205d333634345420 x12: ffff80000d183000 [ 422.351273][ T4463] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c386e64c1b53f800 [ 422.353421][ T4463] x8 : c386e64c1b53f800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 422.355595][ T4463] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.357675][ T4463] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.359782][ T4463] Call trace: [ 422.360678][ T4463] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.362091][ T4463] sysfs_remove_group+0x68/0x160 [ 422.363409][ T4463] sysfs_remove_groups+0x3c/0x78 [ 422.364780][ T4463] __kobject_del+0x34/0x134 [ 422.365984][ T4463] kobject_del+0x2c/0x4c [ 422.367148][ T4463] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.368713][ T4463] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.370257][ T4463] nbd_start_device+0xc4/0x510 [ 422.371494][ T4463] nbd_ioctl+0x228/0x66c [ 422.372630][ T4463] blkdev_ioctl+0x218/0x664 [ 422.373769][ T4463] __arm64_sys_ioctl+0xd0/0x148 [ 422.375018][ T4463] invoke_syscall+0x64/0x178 [ 422.376239][ T4463] el0_svc_common+0xb8/0x174 [ 422.377468][ T4463] do_el0_svc+0x48/0x174 [ 422.378623][ T4463] el0_svc+0x34/0x110 [ 422.379713][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 422.381039][ T4463] el0t_64_sync+0x18c/0x190 [ 422.382202][ T4463] ---[ end trace 0000000000000000 ]--- [ 422.383846][ T4463] ------------[ cut here ]------------ [ 422.385271][ T4463] kernfs: can not remove 'cpu_list', no directory [ 422.387020][ T4463] WARNING: CPU: 0 PID: 4463 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.389511][ T4463] Modules linked in: [ 422.390495][ T4463] CPU: 0 PID: 4463 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 422.393088][ T4463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 422.395821][ T4463] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.397924][ T4463] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.399531][ T4463] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.401065][ T4463] sp : ffff80000df03ac0 [ 422.402115][ T4463] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 422.404229][ T4463] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0000cc0a3e00 [ 422.406401][ T4463] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 422.408554][ T4463] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.410659][ T4463] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 422.412816][ T4463] x14: 0000000000000000 x13: 205d333634345420 x12: ffff80000d183000 [ 422.414957][ T4463] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c386e64c1b53f800 [ 422.417101][ T4463] x8 : c386e64c1b53f800 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 422.419277][ T4463] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.421379][ T4463] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.423574][ T4463] Call trace: [ 422.424433][ T4463] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.425837][ T4463] sysfs_remove_group+0x68/0x160 [ 422.427121][ T4463] sysfs_remove_groups+0x3c/0x78 [ 422.428571][ T4463] __kobject_del+0x34/0x134 [ 422.429790][ T4463] kobject_del+0x2c/0x4c [ 422.430867][ T4463] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.432438][ T4463] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.433938][ T4463] nbd_start_device+0xc4/0x510 [ 422.435198][ T4463] nbd_ioctl+0x228/0x66c [ 422.436323][ T4463] blkdev_ioctl+0x218/0x664 [ 422.437557][ T4463] __arm64_sys_ioctl+0xd0/0x148 [ 422.438824][ T4463] invoke_syscall+0x64/0x178 [ 422.440055][ T4463] el0_svc_common+0xb8/0x174 [ 422.441277][ T4463] do_el0_svc+0x48/0x174 [ 422.442405][ T4463] el0_svc+0x34/0x110 [ 422.443480][ T4463] el0t_64_sync_handler+0x84/0xf0 [ 422.444831][ T4463] el0t_64_sync+0x18c/0x190 [ 422.446022][ T4463] ---[ end trace 0000000000000000 ]--- [ 422.448864][ T4463] block nbd0: shutting down sockets [ 422.542722][ T4465] FAULT_INJECTION: forcing a failure. [ 422.542722][ T4465] name failslab, interval 1, probability 0, space 0, times 0 [ 422.545987][ T4465] CPU: 1 PID: 4465 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 422.548506][ T4465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 422.551121][ T4465] Call trace: [ 422.551983][ T4465] dump_backtrace+0x1c8/0x1f4 [ 422.553226][ T4465] show_stack+0x2c/0x3c [ 422.554334][ T4465] dump_stack_lvl+0xc0/0x104 [ 422.555509][ T4465] dump_stack+0x1c/0x4c [ 422.556616][ T4465] should_fail_ex+0x1bc/0x1e0 [ 422.557882][ T4465] __should_failslab+0x64/0x78 [ 422.559105][ T4465] should_failslab+0x10/0x28 [ 422.560380][ T4465] slab_pre_alloc_hook+0x54/0x1f4 [ 422.561662][ T4465] kmem_cache_alloc_lru+0x60/0x2ac [ 422.563053][ T4465] alloc_inode+0x7c/0x104 [ 422.564192][ T4465] new_inode+0x2c/0xc0 [ 422.565263][ T4465] debugfs_create_dir+0x98/0x1e0 [ 422.566592][ T4465] nbd_start_device+0x1b4/0x510 [ 422.567928][ T4465] nbd_ioctl+0x228/0x66c [ 422.569019][ T4465] blkdev_ioctl+0x218/0x664 [ 422.570209][ T4465] __arm64_sys_ioctl+0xd0/0x148 [ 422.571476][ T4465] invoke_syscall+0x64/0x178 [ 422.572668][ T4465] el0_svc_common+0xb8/0x174 [ 422.573904][ T4465] do_el0_svc+0x48/0x174 [ 422.575055][ T4465] el0_svc+0x34/0x110 [ 422.576108][ T4465] el0t_64_sync_handler+0x84/0xf0 [ 422.577404][ T4465] el0t_64_sync+0x18c/0x190 [ 422.578605][ T4465] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.580754][ T4465] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.700969][ T4465] block nbd0: shutting down sockets [ 422.822459][ T4468] block nbd0: Device being setup by another task [ 422.863912][ T4467] FAULT_INJECTION: forcing a failure. [ 422.863912][ T4467] name failslab, interval 1, probability 0, space 0, times 0 [ 422.867426][ T4467] CPU: 1 PID: 4467 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 422.869978][ T4467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 422.872638][ T4467] Call trace: [ 422.873468][ T4467] dump_backtrace+0x1c8/0x1f4 [ 422.874748][ T4467] show_stack+0x2c/0x3c [ 422.875794][ T4467] dump_stack_lvl+0xc0/0x104 [ 422.876981][ T4467] dump_stack+0x1c/0x4c [ 422.878067][ T4467] should_fail_ex+0x1bc/0x1e0 [ 422.879309][ T4467] __should_failslab+0x64/0x78 [ 422.880614][ T4467] should_failslab+0x10/0x28 [ 422.881757][ T4467] __kmem_cache_alloc_node+0x6c/0x348 [ 422.883213][ T4467] __kmalloc_node_track_caller+0x84/0xc0 [ 422.884734][ T4467] kstrdup_const+0x90/0xdc [ 422.885891][ T4467] __kernfs_new_node+0x5c/0x2e8 [ 422.887185][ T4467] kernfs_create_dir_ns+0xac/0x188 [ 422.888524][ T4467] sysfs_create_dir_ns+0x8c/0x168 [ 422.889917][ T4467] kobject_add_internal+0x314/0x64c [ 422.891303][ T4467] kobject_add+0xb8/0x130 [ 422.892410][ T4467] blk_mq_register_hctx+0x54/0x184 [ 422.893791][ T4467] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 422.895292][ T4467] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 422.896826][ T4467] nbd_start_device+0xc4/0x510 [ 422.898095][ T4467] nbd_ioctl+0x228/0x66c [ 422.899205][ T4467] blkdev_ioctl+0x218/0x664 [ 422.900377][ T4467] __arm64_sys_ioctl+0xd0/0x148 [ 422.901675][ T4467] invoke_syscall+0x64/0x178 [ 422.902849][ T4467] el0_svc_common+0xb8/0x174 [ 422.904051][ T4467] do_el0_svc+0x48/0x174 [ 422.905145][ T4467] el0_svc+0x34/0x110 [ 422.906237][ T4467] el0t_64_sync_handler+0x84/0xf0 [ 422.907599][ T4467] el0t_64_sync+0x18c/0x190 [ 422.908873][ T4467] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 422.968374][ T4467] block nbd0: shutting down sockets [ 423.094384][ T4470] ------------[ cut here ]------------ [ 423.095905][ T4470] kernfs: can not remove 'nr_tags', no directory [ 423.097637][ T4470] WARNING: CPU: 1 PID: 4470 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 423.100170][ T4470] Modules linked in: [ 423.101168][ T4470] CPU: 1 PID: 4470 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 423.103824][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 423.106467][ T4470] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 423.108557][ T4470] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 423.110105][ T4470] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 423.111647][ T4470] sp : ffff80000df33ac0 [ 423.112748][ T4470] x29: ffff80000df33ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 423.114905][ T4470] x26: ffff0000c6467108 x25: ffff80000df33be8 x24: ffff0000cc1ecd80 [ 423.117118][ T4470] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 423.119278][ T4470] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 423.121432][ T4470] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 423.123554][ T4470] x14: 0000000000000000 x13: 205d303734345420 x12: ffff80000d183000 [ 423.125673][ T4470] x11: 0000000000ff0100 x10: 0000000000000000 x9 : b1e997046d7a9500 [ 423.127844][ T4470] x8 : b1e997046d7a9500 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 423.129952][ T4470] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 423.132115][ T4470] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 423.134321][ T4470] Call trace: [ 423.135202][ T4470] kernfs_remove_by_name_ns+0xb4/0x110 [ 423.136732][ T4470] sysfs_remove_group+0x68/0x160 [ 423.138115][ T4470] sysfs_remove_groups+0x3c/0x78 [ 423.139431][ T4470] __kobject_del+0x34/0x134 [ 423.140611][ T4470] kobject_del+0x2c/0x4c [ 423.141745][ T4470] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 423.143343][ T4470] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 423.144930][ T4470] nbd_start_device+0xc4/0x510 [ 423.146206][ T4470] nbd_ioctl+0x228/0x66c [ 423.147377][ T4470] blkdev_ioctl+0x218/0x664 [ 423.148590][ T4470] __arm64_sys_ioctl+0xd0/0x148 [ 423.149884][ T4470] invoke_syscall+0x64/0x178 [ 423.151091][ T4470] el0_svc_common+0xb8/0x174 [ 423.152394][ T4470] do_el0_svc+0x48/0x174 [ 423.153572][ T4470] el0_svc+0x34/0x110 [ 423.154647][ T4470] el0t_64_sync_handler+0x84/0xf0 [ 423.156058][ T4470] el0t_64_sync+0x18c/0x190 [ 423.157278][ T4470] ---[ end trace 0000000000000000 ]--- [ 423.158853][ T4470] ------------[ cut here ]------------ [ 423.160291][ T4470] kernfs: can not remove 'nr_reserved_tags', no directory [ 423.162275][ T4470] WARNING: CPU: 1 PID: 4470 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 423.164983][ T4470] Modules linked in: [ 423.165977][ T4470] CPU: 1 PID: 4470 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 423.168652][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 423.171467][ T4470] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 423.173574][ T4470] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 423.175148][ T4470] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 423.176743][ T4470] sp : ffff80000df33ac0 [ 423.177853][ T4470] x29: ffff80000df33ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 423.180019][ T4470] x26: ffff0000c6467108 x25: ffff80000df33be8 x24: ffff0000cc1ecd80 [ 423.182230][ T4470] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 423.184381][ T4470] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 423.186595][ T4470] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 423.188821][ T4470] x14: 0000000000000000 x13: 205d303734345420 x12: ffff80000d183000 [ 423.191055][ T4470] x11: 0000000000ff0100 x10: 0000000000000000 x9 : b1e997046d7a9500 [ 423.193287][ T4470] x8 : b1e997046d7a9500 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 423.195491][ T4470] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 423.197632][ T4470] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 423.199789][ T4470] Call trace: [ 423.200662][ T4470] kernfs_remove_by_name_ns+0xb4/0x110 [ 423.202074][ T4470] sysfs_remove_group+0x68/0x160 [ 423.203413][ T4470] sysfs_remove_groups+0x3c/0x78 [ 423.204718][ T4470] __kobject_del+0x34/0x134 [ 423.205911][ T4470] kobject_del+0x2c/0x4c [ 423.207059][ T4470] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 423.208604][ T4470] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 423.210199][ T4470] nbd_start_device+0xc4/0x510 [ 423.211529][ T4470] nbd_ioctl+0x228/0x66c [ 423.212683][ T4470] blkdev_ioctl+0x218/0x664 [ 423.213935][ T4470] __arm64_sys_ioctl+0xd0/0x148 [ 423.215237][ T4470] invoke_syscall+0x64/0x178 [ 423.216492][ T4470] el0_svc_common+0xb8/0x174 [ 423.217748][ T4470] do_el0_svc+0x48/0x174 [ 423.218889][ T4470] el0_svc+0x34/0x110 [ 423.219957][ T4470] el0t_64_sync_handler+0x84/0xf0 [ 423.221258][ T4470] el0t_64_sync+0x18c/0x190 [ 423.222451][ T4470] ---[ end trace 0000000000000000 ]--- [ 423.223939][ T4470] ------------[ cut here ]------------ [ 423.225388][ T4470] kernfs: can not remove 'cpu_list', no directory [ 423.227089][ T4470] WARNING: CPU: 1 PID: 4470 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 423.229638][ T4470] Modules linked in: [ 423.230681][ T4470] CPU: 1 PID: 4470 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 423.233215][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 423.235866][ T4470] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 423.237921][ T4470] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 423.239491][ T4470] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 423.241042][ T4470] sp : ffff80000df33ac0 [ 423.242112][ T4470] x29: ffff80000df33ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 423.244226][ T4470] x26: ffff0000c6467108 x25: ffff80000df33be8 x24: ffff0000cc1ecd80 [ 423.246350][ T4470] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 423.248562][ T4470] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 423.250682][ T4470] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 423.252793][ T4470] x14: 0000000000000000 x13: 205d303734345420 x12: ffff80000d183000 [ 423.254973][ T4470] x11: 0000000000ff0100 x10: 0000000000000000 x9 : b1e997046d7a9500 [ 423.257124][ T4470] x8 : b1e997046d7a9500 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 423.259238][ T4470] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 423.261401][ T4470] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 423.263526][ T4470] Call trace: [ 423.264397][ T4470] kernfs_remove_by_name_ns+0xb4/0x110 [ 423.265827][ T4470] sysfs_remove_group+0x68/0x160 [ 423.267178][ T4470] sysfs_remove_groups+0x3c/0x78 [ 423.268483][ T4470] __kobject_del+0x34/0x134 [ 423.269667][ T4470] kobject_del+0x2c/0x4c [ 423.270801][ T4470] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 423.272382][ T4470] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 423.273930][ T4470] nbd_start_device+0xc4/0x510 [ 423.275195][ T4470] nbd_ioctl+0x228/0x66c [ 423.276286][ T4470] blkdev_ioctl+0x218/0x664 [ 423.277467][ T4470] __arm64_sys_ioctl+0xd0/0x148 [ 423.278730][ T4470] invoke_syscall+0x64/0x178 [ 423.279943][ T4470] el0_svc_common+0xb8/0x174 [ 423.281134][ T4470] do_el0_svc+0x48/0x174 [ 423.282292][ T4470] el0_svc+0x34/0x110 [ 423.283328][ T4470] el0t_64_sync_handler+0x84/0xf0 [ 423.284648][ T4470] el0t_64_sync+0x18c/0x190 [ 423.285859][ T4470] ---[ end trace 0000000000000000 ]--- [ 423.289712][ T4470] block nbd0: shutting down sockets [ 423.402446][ T4473] block nbd0: Device being setup by another task [ 423.443898][ T4472] FAULT_INJECTION: forcing a failure. [ 423.443898][ T4472] name failslab, interval 1, probability 0, space 0, times 0 [ 423.447366][ T4472] CPU: 1 PID: 4472 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 423.449987][ T4472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 423.452702][ T4472] Call trace: [ 423.453568][ T4472] dump_backtrace+0x1c8/0x1f4 [ 423.454831][ T4472] show_stack+0x2c/0x3c [ 423.455920][ T4472] dump_stack_lvl+0xc0/0x104 [ 423.457152][ T4472] dump_stack+0x1c/0x4c [ 423.458298][ T4472] should_fail_ex+0x1bc/0x1e0 [ 423.459540][ T4472] __should_failslab+0x64/0x78 [ 423.460799][ T4472] should_failslab+0x10/0x28 [ 423.462023][ T4472] __kmem_cache_alloc_node+0x6c/0x348 [ 423.463425][ T4472] __kmalloc_node_track_caller+0x84/0xc0 [ 423.464961][ T4472] kstrdup_const+0x90/0xdc [ 423.466121][ T4472] __kernfs_new_node+0x5c/0x2e8 [ 423.467488][ T4472] kernfs_create_dir_ns+0xac/0x188 [ 423.468865][ T4472] sysfs_create_dir_ns+0x8c/0x168 [ 423.470234][ T4472] kobject_add_internal+0x314/0x64c [ 423.471658][ T4472] kobject_add+0xb8/0x130 [ 423.472832][ T4472] blk_mq_register_hctx+0x54/0x184 [ 423.474260][ T4472] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 423.475820][ T4472] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 423.477325][ T4472] nbd_start_device+0xc4/0x510 [ 423.478626][ T4472] nbd_ioctl+0x228/0x66c [ 423.479813][ T4472] blkdev_ioctl+0x218/0x664 [ 423.481047][ T4472] __arm64_sys_ioctl+0xd0/0x148 [ 423.482367][ T4472] invoke_syscall+0x64/0x178 [ 423.483650][ T4472] el0_svc_common+0xb8/0x174 [ 423.484897][ T4472] do_el0_svc+0x48/0x174 [ 423.486025][ T4472] el0_svc+0x34/0x110 [ 423.487081][ T4472] el0t_64_sync_handler+0x84/0xf0 [ 423.488478][ T4472] el0t_64_sync+0x18c/0x190 [ 423.489732][ T4472] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 423.597516][ T4472] block nbd0: shutting down sockets [ 423.712449][ T4476] block nbd0: Device being setup by another task [ 423.714202][ T4475] FAULT_INJECTION: forcing a failure. [ 423.714202][ T4475] name failslab, interval 1, probability 0, space 0, times 0 [ 423.717710][ T4475] CPU: 0 PID: 4475 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 423.720343][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 423.723079][ T4475] Call trace: [ 423.723947][ T4475] dump_backtrace+0x1c8/0x1f4 [ 423.725237][ T4475] show_stack+0x2c/0x3c [ 423.726322][ T4475] dump_stack_lvl+0xc0/0x104 [ 423.727510][ T4475] dump_stack+0x1c/0x4c [ 423.728594][ T4475] should_fail_ex+0x1bc/0x1e0 [ 423.729849][ T4475] __should_failslab+0x64/0x78 [ 423.731187][ T4475] should_failslab+0x10/0x28 [ 423.732432][ T4475] slab_pre_alloc_hook+0x54/0x1f4 [ 423.733772][ T4475] kmem_cache_alloc_lru+0x60/0x2ac [ 423.735203][ T4475] alloc_inode+0x7c/0x104 [ 423.736398][ T4475] new_inode+0x2c/0xc0 [ 423.737504][ T4475] debugfs_create_dir+0x98/0x1e0 [ 423.738826][ T4475] nbd_start_device+0x1b4/0x510 [ 423.740165][ T4475] nbd_ioctl+0x228/0x66c [ 423.741327][ T4475] blkdev_ioctl+0x218/0x664 [ 423.742548][ T4475] __arm64_sys_ioctl+0xd0/0x148 [ 423.743923][ T4475] invoke_syscall+0x64/0x178 [ 423.745241][ T4475] el0_svc_common+0xb8/0x174 [ 423.746470][ T4475] do_el0_svc+0x48/0x174 [ 423.747639][ T4475] el0_svc+0x34/0x110 [ 423.748715][ T4475] el0t_64_sync_handler+0x84/0xf0 [ 423.750122][ T4475] el0t_64_sync+0x18c/0x190 [ 423.751387][ T4475] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.753432][ T4475] block nbd0: Failed to create debugfs dir for 'nbd0' [ 423.865267][ T4475] block nbd0: shutting down sockets [ 424.002458][ T4479] block nbd0: Device being setup by another task [ 424.004176][ T4478] FAULT_INJECTION: forcing a failure. [ 424.004176][ T4478] name failslab, interval 1, probability 0, space 0, times 0 [ 424.007538][ T4478] CPU: 0 PID: 4478 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 424.010149][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 424.012961][ T4478] Call trace: [ 424.013824][ T4478] dump_backtrace+0x1c8/0x1f4 [ 424.015107][ T4478] show_stack+0x2c/0x3c [ 424.016196][ T4478] dump_stack_lvl+0xc0/0x104 [ 424.017468][ T4478] dump_stack+0x1c/0x4c [ 424.018593][ T4478] should_fail_ex+0x1bc/0x1e0 [ 424.019932][ T4478] __should_failslab+0x64/0x78 [ 424.021234][ T4478] should_failslab+0x10/0x28 [ 424.022564][ T4478] slab_pre_alloc_hook+0x54/0x1f4 [ 424.023990][ T4478] kmem_cache_alloc_lru+0x60/0x2ac [ 424.025465][ T4478] alloc_inode+0x7c/0x104 [ 424.026619][ T4478] new_inode+0x2c/0xc0 [ 424.027747][ T4478] debugfs_create_dir+0x98/0x1e0 [ 424.029150][ T4478] nbd_start_device+0x1b4/0x510 [ 424.030470][ T4478] nbd_ioctl+0x228/0x66c [ 424.031771][ T4478] blkdev_ioctl+0x218/0x664 [ 424.032993][ T4478] __arm64_sys_ioctl+0xd0/0x148 [ 424.034319][ T4478] invoke_syscall+0x64/0x178 [ 424.035550][ T4478] el0_svc_common+0xb8/0x174 [ 424.036737][ T4478] do_el0_svc+0x48/0x174 [ 424.037918][ T4478] el0_svc+0x34/0x110 [ 424.039019][ T4478] el0t_64_sync_handler+0x84/0xf0 [ 424.040393][ T4478] el0t_64_sync+0x18c/0x190 [ 424.041677][ T4478] debugfs: out of free dentries, can not create directory 'nbd0' [ 424.043807][ T4478] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.132536][ T4478] block nbd0: shutting down sockets [ 424.253700][ T4481] ------------[ cut here ]------------ [ 424.255208][ T4481] kernfs: can not remove 'nr_tags', no directory [ 424.256920][ T4481] WARNING: CPU: 1 PID: 4481 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 424.259484][ T4481] Modules linked in: [ 424.260493][ T4481] CPU: 1 PID: 4481 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 424.263117][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 424.265826][ T4481] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 424.267868][ T4481] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 424.269409][ T4481] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 424.270977][ T4481] sp : ffff80000df13ac0 [ 424.272088][ T4481] x29: ffff80000df13ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 424.274269][ T4481] x26: ffff0000c6467108 x25: ffff80000df13be8 x24: ffff0001ffbec000 [ 424.276430][ T4481] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 424.278597][ T4481] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 424.280796][ T4481] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 424.283007][ T4481] x14: 0000000000000000 x13: 205d313834345420 x12: ffff80000d183000 [ 424.285238][ T4481] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ed63a3368fabac00 [ 424.287408][ T4481] x8 : ed63a3368fabac00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 424.289648][ T4481] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 424.291776][ T4481] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 424.293924][ T4481] Call trace: [ 424.294806][ T4481] kernfs_remove_by_name_ns+0xb4/0x110 [ 424.296300][ T4481] sysfs_remove_group+0x68/0x160 [ 424.297588][ T4481] sysfs_remove_groups+0x3c/0x78 [ 424.298921][ T4481] __kobject_del+0x34/0x134 [ 424.300100][ T4481] kobject_del+0x2c/0x4c [ 424.301210][ T4481] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 424.302753][ T4481] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 424.304257][ T4481] nbd_start_device+0xc4/0x510 [ 424.305499][ T4481] nbd_ioctl+0x228/0x66c [ 424.306619][ T4481] blkdev_ioctl+0x218/0x664 [ 424.307852][ T4481] __arm64_sys_ioctl+0xd0/0x148 [ 424.309114][ T4481] invoke_syscall+0x64/0x178 [ 424.310315][ T4481] el0_svc_common+0xb8/0x174 [ 424.311529][ T4481] do_el0_svc+0x48/0x174 [ 424.312699][ T4481] el0_svc+0x34/0x110 [ 424.313783][ T4481] el0t_64_sync_handler+0x84/0xf0 [ 424.315172][ T4481] el0t_64_sync+0x18c/0x190 [ 424.316355][ T4481] ---[ end trace 0000000000000000 ]--- [ 424.317839][ T4481] ------------[ cut here ]------------ [ 424.319317][ T4481] kernfs: can not remove 'nr_reserved_tags', no directory [ 424.321280][ T4481] WARNING: CPU: 1 PID: 4481 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 424.323862][ T4481] Modules linked in: [ 424.324919][ T4481] CPU: 1 PID: 4481 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 424.327669][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 424.330510][ T4481] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 424.332608][ T4481] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 424.334117][ T4481] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 424.335722][ T4481] sp : ffff80000df13ac0 [ 424.336888][ T4481] x29: ffff80000df13ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 424.338983][ T4481] x26: ffff0000c6467108 x25: ffff80000df13be8 x24: ffff0001ffbec000 [ 424.341087][ T4481] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 424.343259][ T4481] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 424.345437][ T4481] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 424.347699][ T4481] x14: 0000000000000000 x13: 205d313834345420 x12: ffff80000d183000 [ 424.349903][ T4481] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ed63a3368fabac00 [ 424.352199][ T4481] x8 : ed63a3368fabac00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 424.354399][ T4481] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 424.356544][ T4481] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 424.358716][ T4481] Call trace: [ 424.359653][ T4481] kernfs_remove_by_name_ns+0xb4/0x110 [ 424.361119][ T4481] sysfs_remove_group+0x68/0x160 [ 424.362506][ T4481] sysfs_remove_groups+0x3c/0x78 [ 424.363749][ T4481] __kobject_del+0x34/0x134 [ 424.364928][ T4481] kobject_del+0x2c/0x4c [ 424.366062][ T4481] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 424.367643][ T4481] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 424.369152][ T4481] nbd_start_device+0xc4/0x510 [ 424.370427][ T4481] nbd_ioctl+0x228/0x66c [ 424.371555][ T4481] blkdev_ioctl+0x218/0x664 [ 424.372779][ T4481] __arm64_sys_ioctl+0xd0/0x148 [ 424.374067][ T4481] invoke_syscall+0x64/0x178 [ 424.375382][ T4481] el0_svc_common+0xb8/0x174 [ 424.376612][ T4481] do_el0_svc+0x48/0x174 [ 424.377781][ T4481] el0_svc+0x34/0x110 [ 424.378797][ T4481] el0t_64_sync_handler+0x84/0xf0 [ 424.380138][ T4481] el0t_64_sync+0x18c/0x190 [ 424.381315][ T4481] ---[ end trace 0000000000000000 ]--- [ 424.382864][ T4481] ------------[ cut here ]------------ [ 424.384290][ T4481] kernfs: can not remove 'cpu_list', no directory [ 424.386006][ T4481] WARNING: CPU: 1 PID: 4481 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 424.388653][ T4481] Modules linked in: [ 424.389652][ T4481] CPU: 1 PID: 4481 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 424.392262][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 424.395022][ T4481] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 424.397068][ T4481] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 424.398635][ T4481] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 424.400156][ T4481] sp : ffff80000df13ac0 [ 424.401214][ T4481] x29: ffff80000df13ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 424.403317][ T4481] x26: ffff0000c6467108 x25: ffff80000df13be8 x24: ffff0001ffbec000 [ 424.405473][ T4481] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 424.407621][ T4481] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 424.409731][ T4481] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 424.411833][ T4481] x14: 0000000000000000 x13: 205d313834345420 x12: ffff80000d183000 [ 424.413941][ T4481] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ed63a3368fabac00 [ 424.416098][ T4481] x8 : ed63a3368fabac00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 424.418255][ T4481] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 424.420414][ T4481] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 424.422583][ T4481] Call trace: [ 424.423464][ T4481] kernfs_remove_by_name_ns+0xb4/0x110 [ 424.424865][ T4481] sysfs_remove_group+0x68/0x160 [ 424.426178][ T4481] sysfs_remove_groups+0x3c/0x78 [ 424.427524][ T4481] __kobject_del+0x34/0x134 [ 424.428721][ T4481] kobject_del+0x2c/0x4c [ 424.429832][ T4481] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 424.431475][ T4481] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 424.432990][ T4481] nbd_start_device+0xc4/0x510 [ 424.434265][ T4481] nbd_ioctl+0x228/0x66c [ 424.435372][ T4481] blkdev_ioctl+0x218/0x664 [ 424.436573][ T4481] __arm64_sys_ioctl+0xd0/0x148 [ 424.437873][ T4481] invoke_syscall+0x64/0x178 [ 424.439127][ T4481] el0_svc_common+0xb8/0x174 [ 424.440351][ T4481] do_el0_svc+0x48/0x174 [ 424.441465][ T4481] el0_svc+0x34/0x110 [ 424.442533][ T4481] el0t_64_sync_handler+0x84/0xf0 [ 424.443935][ T4481] el0t_64_sync+0x18c/0x190 [ 424.445161][ T4481] ---[ end trace 0000000000000000 ]--- [ 424.448858][ T4481] block nbd0: shutting down sockets [ 424.532716][ T4483] FAULT_INJECTION: forcing a failure. [ 424.532716][ T4483] name failslab, interval 1, probability 0, space 0, times 0 [ 424.536242][ T4483] CPU: 1 PID: 4483 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 424.539010][ T4483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 424.541591][ T4483] Call trace: [ 424.542452][ T4483] dump_backtrace+0x1c8/0x1f4 [ 424.543720][ T4483] show_stack+0x2c/0x3c [ 424.544825][ T4483] dump_stack_lvl+0xc0/0x104 [ 424.546052][ T4483] dump_stack+0x1c/0x4c [ 424.547100][ T4483] should_fail_ex+0x1bc/0x1e0 [ 424.548356][ T4483] __should_failslab+0x64/0x78 [ 424.549599][ T4483] should_failslab+0x10/0x28 [ 424.550798][ T4483] slab_pre_alloc_hook+0x54/0x1f4 [ 424.552126][ T4483] kmem_cache_alloc_lru+0x60/0x2ac [ 424.553503][ T4483] alloc_inode+0x7c/0x104 [ 424.554644][ T4483] new_inode+0x2c/0xc0 [ 424.555705][ T4483] debugfs_create_dir+0x98/0x1e0 [ 424.556975][ T4483] nbd_start_device+0x1b4/0x510 [ 424.558239][ T4483] nbd_ioctl+0x228/0x66c [ 424.559342][ T4483] blkdev_ioctl+0x218/0x664 [ 424.560542][ T4483] __arm64_sys_ioctl+0xd0/0x148 [ 424.561866][ T4483] invoke_syscall+0x64/0x178 [ 424.563169][ T4483] el0_svc_common+0xb8/0x174 [ 424.564518][ T4483] do_el0_svc+0x48/0x174 [ 424.565671][ T4483] el0_svc+0x34/0x110 [ 424.566747][ T4483] el0t_64_sync_handler+0x84/0xf0 [ 424.568098][ T4483] el0t_64_sync+0x18c/0x190 [ 424.569321][ T4483] debugfs: out of free dentries, can not create directory 'nbd0' [ 424.571368][ T4483] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.690281][ T4483] block nbd0: shutting down sockets [ 424.802474][ T4486] block nbd0: Device being setup by another task [ 424.844893][ T4485] FAULT_INJECTION: forcing a failure. [ 424.844893][ T4485] name failslab, interval 1, probability 0, space 0, times 0 [ 424.848373][ T4485] CPU: 0 PID: 4485 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 424.850964][ T4485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 424.853733][ T4485] Call trace: [ 424.854564][ T4485] dump_backtrace+0x1c8/0x1f4 [ 424.855850][ T4485] show_stack+0x2c/0x3c [ 424.856911][ T4485] dump_stack_lvl+0xc0/0x104 [ 424.858120][ T4485] dump_stack+0x1c/0x4c [ 424.859206][ T4485] should_fail_ex+0x1bc/0x1e0 [ 424.860520][ T4485] __should_failslab+0x64/0x78 [ 424.861779][ T4485] should_failslab+0x10/0x28 [ 424.863020][ T4485] __kmem_cache_alloc_node+0x6c/0x348 [ 424.864485][ T4485] __kmalloc_node_track_caller+0x84/0xc0 [ 424.865963][ T4485] kstrdup_const+0x90/0xdc [ 424.867225][ T4485] __kernfs_new_node+0x5c/0x2e8 [ 424.868493][ T4485] kernfs_create_dir_ns+0xac/0x188 [ 424.869874][ T4485] sysfs_create_dir_ns+0x8c/0x168 [ 424.871316][ T4485] kobject_add_internal+0x314/0x64c [ 424.872708][ T4485] kobject_add+0xb8/0x130 [ 424.873930][ T4485] blk_mq_register_hctx+0x54/0x184 [ 424.875326][ T4485] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 424.876867][ T4485] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 424.878451][ T4485] nbd_start_device+0xc4/0x510 [ 424.879728][ T4485] nbd_ioctl+0x228/0x66c [ 424.880926][ T4485] blkdev_ioctl+0x218/0x664 [ 424.882115][ T4485] __arm64_sys_ioctl+0xd0/0x148 [ 424.883383][ T4485] invoke_syscall+0x64/0x178 [ 424.884586][ T4485] el0_svc_common+0xb8/0x174 [ 424.885873][ T4485] do_el0_svc+0x48/0x174 [ 424.886989][ T4485] el0_svc+0x34/0x110 [ 424.888077][ T4485] el0t_64_sync_handler+0x84/0xf0 [ 424.889457][ T4485] el0t_64_sync+0x18c/0x190 [ 424.890622][ T4485] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 424.998677][ T4485] block nbd0: shutting down sockets [ 425.133883][ T4488] ------------[ cut here ]------------ [ 425.135583][ T4488] kernfs: can not remove 'nr_tags', no directory [ 425.137308][ T4488] WARNING: CPU: 0 PID: 4488 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.139873][ T4488] Modules linked in: [ 425.140961][ T4488] CPU: 0 PID: 4488 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 425.143599][ T4488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 425.146296][ T4488] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.148459][ T4488] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.150003][ T4488] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.151634][ T4488] sp : ffff80000df03ac0 [ 425.152705][ T4488] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 425.154931][ T4488] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0001ffbfaf80 [ 425.157165][ T4488] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 425.159365][ T4488] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.161554][ T4488] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 425.163783][ T4488] x14: 0000000000000000 x13: 205d383834345420 x12: ffff80000d183000 [ 425.165940][ T4488] x11: 0000000000ff0100 x10: 0000000000000000 x9 : e0f478c74e5e4f00 [ 425.168201][ T4488] x8 : e0f478c74e5e4f00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 425.170334][ T4488] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.172522][ T4488] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.174751][ T4488] Call trace: [ 425.175624][ T4488] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.177124][ T4488] sysfs_remove_group+0x68/0x160 [ 425.178452][ T4488] sysfs_remove_groups+0x3c/0x78 [ 425.179813][ T4488] __kobject_del+0x34/0x134 [ 425.181033][ T4488] kobject_del+0x2c/0x4c [ 425.182153][ T4488] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.183755][ T4488] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.185318][ T4488] nbd_start_device+0xc4/0x510 [ 425.186624][ T4488] nbd_ioctl+0x228/0x66c [ 425.187746][ T4488] blkdev_ioctl+0x218/0x664 [ 425.188963][ T4488] __arm64_sys_ioctl+0xd0/0x148 [ 425.190267][ T4488] invoke_syscall+0x64/0x178 [ 425.191498][ T4488] el0_svc_common+0xb8/0x174 [ 425.192767][ T4488] do_el0_svc+0x48/0x174 [ 425.193911][ T4488] el0_svc+0x34/0x110 [ 425.195025][ T4488] el0t_64_sync_handler+0x84/0xf0 [ 425.196371][ T4488] el0t_64_sync+0x18c/0x190 [ 425.197530][ T4488] ---[ end trace 0000000000000000 ]--- [ 425.199101][ T4488] ------------[ cut here ]------------ [ 425.200635][ T4488] kernfs: can not remove 'nr_reserved_tags', no directory [ 425.202533][ T4488] WARNING: CPU: 0 PID: 4488 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.205140][ T4488] Modules linked in: [ 425.206128][ T4488] CPU: 0 PID: 4488 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 425.208719][ T4488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 425.211372][ T4488] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.213534][ T4488] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.215186][ T4488] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.216751][ T4488] sp : ffff80000df03ac0 [ 425.217883][ T4488] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 425.220108][ T4488] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0001ffbfaf80 [ 425.222307][ T4488] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 425.224463][ T4488] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.226594][ T4488] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 425.228754][ T4488] x14: 0000000000000000 x13: 205d383834345420 x12: ffff80000d183000 [ 425.230928][ T4488] x11: 0000000000ff0100 x10: 0000000000000000 x9 : e0f478c74e5e4f00 [ 425.233116][ T4488] x8 : e0f478c74e5e4f00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 425.235326][ T4488] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.237436][ T4488] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.239640][ T4488] Call trace: [ 425.240502][ T4488] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.241923][ T4488] sysfs_remove_group+0x68/0x160 [ 425.243307][ T4488] sysfs_remove_groups+0x3c/0x78 [ 425.244608][ T4488] __kobject_del+0x34/0x134 [ 425.245767][ T4488] kobject_del+0x2c/0x4c [ 425.246895][ T4488] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.248498][ T4488] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.249985][ T4488] nbd_start_device+0xc4/0x510 [ 425.251241][ T4488] nbd_ioctl+0x228/0x66c [ 425.252389][ T4488] blkdev_ioctl+0x218/0x664 [ 425.253570][ T4488] __arm64_sys_ioctl+0xd0/0x148 [ 425.254891][ T4488] invoke_syscall+0x64/0x178 [ 425.256143][ T4488] el0_svc_common+0xb8/0x174 [ 425.257416][ T4488] do_el0_svc+0x48/0x174 [ 425.258515][ T4488] el0_svc+0x34/0x110 [ 425.259550][ T4488] el0t_64_sync_handler+0x84/0xf0 [ 425.260861][ T4488] el0t_64_sync+0x18c/0x190 [ 425.262011][ T4488] ---[ end trace 0000000000000000 ]--- [ 425.263552][ T4488] ------------[ cut here ]------------ [ 425.264979][ T4488] kernfs: can not remove 'cpu_list', no directory [ 425.266678][ T4488] WARNING: CPU: 0 PID: 4488 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.269310][ T4488] Modules linked in: [ 425.270371][ T4488] CPU: 0 PID: 4488 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 425.272916][ T4488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 425.275646][ T4488] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.277742][ T4488] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.279311][ T4488] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.280906][ T4488] sp : ffff80000df03ac0 [ 425.282042][ T4488] x29: ffff80000df03ac0 x28: ffff80000bccf000 x27: ffff0000c6467108 [ 425.284258][ T4488] x26: ffff0000c6467108 x25: ffff80000df03be8 x24: ffff0001ffbfaf80 [ 425.286397][ T4488] x23: ffff0000c67c0000 x22: 0000000000000000 x21: 0000000000000000 [ 425.288543][ T4488] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.290686][ T4488] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 425.292822][ T4488] x14: 0000000000000000 x13: 205d383834345420 x12: ffff80000d183000 [ 425.294980][ T4488] x11: 0000000000ff0100 x10: 0000000000000000 x9 : e0f478c74e5e4f00 [ 425.297125][ T4488] x8 : e0f478c74e5e4f00 x7 : 0000000000000000 x6 : ffff80000ae103b4 [ 425.299316][ T4488] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.301434][ T4488] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.303652][ T4488] Call trace: [ 425.304527][ T4488] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.305949][ T4488] sysfs_remove_group+0x68/0x160 [ 425.307214][ T4488] sysfs_remove_groups+0x3c/0x78 [ 425.308514][ T4488] __kobject_del+0x34/0x134 [ 425.309692][ T4488] kobject_del+0x2c/0x4c [ 425.310920][ T4488] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.312481][ T4488] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.314037][ T4488] nbd_start_device+0xc4/0x510 [ 425.315316][ T4488] nbd_ioctl+0x228/0x66c [ 425.316449][ T4488] blkdev_ioctl+0x218/0x664 [ 425.317684][ T4488] __arm64_sys_ioctl+0xd0/0x148 [ 425.319004][ T4488] invoke_syscall+0x64/0x178 [ 425.320266][ T4488] el0_svc_common+0xb8/0x174 [ 425.321518][ T4488] do_el0_svc+0x48/0x174 [ 425.322665][ T4488] el0_svc+0x34/0x110 [ 425.323719][ T4488] el0t_64_sync_handler+0x84/0xf0 [ 425.325069][ T4488] el0t_64_sync+0x18c/0x190 [ 425.326277][ T4488] ---[ end trace 0000000000000000 ]--- [ 425.330149][ T4488] block nbd0: shutting down sockets [ 425.442447][ T4491] block nbd0: Device being setup by another task [ 425.484025][ T4490] FAULT_INJECTION: forcing a failure. [ 425.484025][ T4490] name failslab, interval 1, probability 0, space 0, times 0 [ 425.487641][ T4490] CPU: 0 PID: 4490 Comm: syz-executor147 Tainted: G W 6.1.79-syzkaller #0 [ 425.490224][ T4490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 425.493008][ T4490] Call trace: [ 425.493883][ T4490] dump_backtrace+0x1c8/0x1f4 [ 425.495158][ T4490] show_stack+0x2c/0x3c [ 425.496261][ T4490] dump_stack_lvl+0xc0/0x104 [ 425.497466][ T4490] dump_stack+0x1c/0x4c [ 425.498605][ T4490] should_fail_ex+0x1bc/0x1e0 [ 425.499877][ T4490] __should_failslab+0x64/0x78 [ 425.501118][ T4490] should_failslab+0x10/0x28 [ 425.502348][ T4490] __kmem_cache_alloc_node+0x6c/0x348 [ 425.503777][ T4490] __kmalloc_node_track_caller+0x84/0xc0 [ 425.505298][ T4490] kstrdup_const+0x90/0xdc [ 425.506452][ T4490] __kernfs_new_node+0x5c/0x2e8 [ 425.507711][ T4490] kernfs_create_dir_ns+0xac/0x188 [ 425.509087][ T4490] sysfs_create_dir_ns+0x8c/0x168 [ 425.510468][ T4490] kobject_add_internal+0x314/0x64c [ 425.511871][ T4490] kobject_add+0xb8/0x130 [ 425.512984][ T4490] blk_mq_register_hctx+0x54/0x184 [ 425.514408][ T4490] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 425.516047][ T4490] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 425.517566][ T4490] nbd_start_device+0xc4/0x510 [ 425.518870][ T4490] nbd_ioctl+0x228/0x66c