[ 399.297205][ T3159] block nbd0: Receive control failed (result -32) [ 399.297380][ T4221] block nbd0: shutting down sockets [ 399.432727][ T4224] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 400.142614][ T3159] block nbd0: Receive control failed (result -32) [ 400.142629][ T43] block nbd0: Receive control failed (result -32) [ 400.146316][ T4224] block nbd0: shutting down sockets [ 400.302009][ T4227] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 400.985888][ T43] block nbd0: Receive control failed (result -32) [ 400.985895][ T3159] block nbd0: Receive control failed (result -32) [ 400.988135][ T4227] block nbd0: shutting down sockets [ 401.122669][ T4229] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 401.829813][ T3159] block nbd0: Receive control failed (result -32) [ 401.829860][ T4229] block nbd0: shutting down sockets [ 401.962884][ T4231] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 402.672511][ T43] block nbd0: Receive control failed (result -32) [ 402.672554][ T3159] block nbd0: Receive control failed (result -32) [ 402.676195][ T4231] block nbd0: shutting down sockets [ 403.261351][ T51] device bridge_slave_1 left promiscuous mode [ 403.262912][ T51] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.300941][ T51] device bridge_slave_0 left promiscuous mode [ 403.302578][ T51] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.351937][ T51] device veth0_macvtap left promiscuous mode [ 403.353442][ T51] device veth1_vlan left promiscuous mode [ 403.354830][ T51] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. [ 406.232220][ T4240] FAULT_INJECTION: forcing a failure. [ 406.232220][ T4240] name failslab, interval 1, probability 0, space 0, times 0 [ 406.235523][ T4240] CPU: 1 PID: 4240 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 406.237717][ T4240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 406.240401][ T4240] Call trace: [ 406.241239][ T4240] dump_backtrace+0x1c8/0x1f4 [ 406.242469][ T4240] show_stack+0x2c/0x3c [ 406.243550][ T4240] dump_stack_lvl+0xc0/0x104 [ 406.244812][ T4240] dump_stack+0x1c/0x4c [ 406.245882][ T4240] should_fail_ex+0x1bc/0x1e0 [ 406.247091][ T4240] __should_failslab+0x64/0x78 [ 406.248384][ T4240] should_failslab+0x10/0x28 [ 406.249615][ T4240] __kmem_cache_alloc_node+0x6c/0x348 [ 406.251042][ T4240] __kmalloc+0x98/0xd8 [ 406.252155][ T4240] tomoyo_supervisor+0x700/0x888 [ 406.253527][ T4240] tomoyo_path_number_perm+0x200/0x2a8 [ 406.254990][ T4240] tomoyo_file_ioctl+0x2c/0x3c [ 406.256241][ T4240] security_file_ioctl+0x4c/0x8c [ 406.257547][ T4240] __arm64_sys_ioctl+0x5c/0x148 [ 406.258829][ T4240] invoke_syscall+0x64/0x178 [ 406.260027][ T4240] el0_svc_common+0xb8/0x174 [ 406.261240][ T4240] do_el0_svc+0x48/0x174 [ 406.262397][ T4240] el0_svc+0x34/0x110 [ 406.263467][ T4240] el0t_64_sync_handler+0x84/0xf0 [ 406.264843][ T4240] el0t_64_sync+0x18c/0x190 [ 406.390031][ T4240] block nbd0: shutting down sockets [ 406.499954][ T4243] FAULT_INJECTION: forcing a failure. [ 406.499954][ T4243] name failslab, interval 1, probability 0, space 0, times 0 [ 406.503288][ T4243] CPU: 0 PID: 4243 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 406.505429][ T4243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 406.507870][ T4243] Call trace: [ 406.508697][ T4243] dump_backtrace+0x1c8/0x1f4 [ 406.509979][ T4243] show_stack+0x2c/0x3c [ 406.510814][ T4244] block nbd0: Device being setup by another task [ 406.511089][ T4243] dump_stack_lvl+0xc0/0x104 [ 406.513905][ T4243] dump_stack+0x1c/0x4c [ 406.515005][ T4243] should_fail_ex+0x1bc/0x1e0 [ 406.516234][ T4243] __should_failslab+0x64/0x78 [ 406.517448][ T4243] should_failslab+0x10/0x28 [ 406.518594][ T4243] __kmem_cache_alloc_node+0x6c/0x348 [ 406.519952][ T4243] __kmalloc+0x98/0xd8 [ 406.521059][ T4243] tomoyo_supervisor+0x700/0x888 [ 406.522339][ T4243] tomoyo_path_number_perm+0x200/0x2a8 [ 406.523800][ T4243] tomoyo_file_ioctl+0x2c/0x3c [ 406.525046][ T4243] security_file_ioctl+0x4c/0x8c [ 406.526355][ T4243] __arm64_sys_ioctl+0x5c/0x148 [ 406.527651][ T4243] invoke_syscall+0x64/0x178 [ 406.528801][ T4243] el0_svc_common+0xb8/0x174 [ 406.530024][ T4243] do_el0_svc+0x48/0x174 [ 406.531126][ T4243] el0_svc+0x34/0x110 [ 406.532135][ T4243] el0t_64_sync_handler+0x84/0xf0 [ 406.533449][ T4243] el0t_64_sync+0x18c/0x190 [ 406.658900][ T4243] block nbd0: shutting down sockets [ 406.768936][ T4246] FAULT_INJECTION: forcing a failure. [ 406.768936][ T4246] name failslab, interval 1, probability 0, space 0, times 0 [ 406.772197][ T4246] CPU: 1 PID: 4246 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 406.774356][ T4246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 406.776810][ T4246] Call trace: [ 406.777628][ T4246] dump_backtrace+0x1c8/0x1f4 [ 406.778785][ T4246] show_stack+0x2c/0x3c [ 406.779927][ T4246] dump_stack_lvl+0xc0/0x104 [ 406.780723][ T4247] block nbd0: Device being setup by another task [ 406.781061][ T4246] dump_stack+0x1c/0x4c [ 406.783815][ T4246] should_fail_ex+0x1bc/0x1e0 [ 406.784981][ T4246] __should_failslab+0x64/0x78 [ 406.786322][ T4246] should_failslab+0x10/0x28 [ 406.787535][ T4246] __kmem_cache_alloc_node+0x6c/0x348 [ 406.789000][ T4246] __kmalloc+0x98/0xd8 [ 406.790061][ T4246] tomoyo_supervisor+0x700/0x888 [ 406.791337][ T4246] tomoyo_path_number_perm+0x200/0x2a8 [ 406.792740][ T4246] tomoyo_file_ioctl+0x2c/0x3c [ 406.794002][ T4246] security_file_ioctl+0x4c/0x8c [ 406.795327][ T4246] __arm64_sys_ioctl+0x5c/0x148 [ 406.796650][ T4246] invoke_syscall+0x64/0x178 [ 406.797804][ T4246] el0_svc_common+0xb8/0x174 [ 406.799027][ T4246] do_el0_svc+0x48/0x174 [ 406.800097][ T4246] el0_svc+0x34/0x110 [ 406.801144][ T4246] el0t_64_sync_handler+0x84/0xf0 [ 406.802425][ T4246] el0t_64_sync+0x18c/0x190 [ 406.927906][ T4246] block nbd0: shutting down sockets [ 407.021045][ T4249] FAULT_INJECTION: forcing a failure. [ 407.021045][ T4249] name failslab, interval 1, probability 0, space 0, times 0 [ 407.024284][ T4249] CPU: 1 PID: 4249 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 407.026379][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 407.028866][ T4249] Call trace: [ 407.029662][ T4249] dump_backtrace+0x1c8/0x1f4 [ 407.030850][ T4249] show_stack+0x2c/0x3c [ 407.031897][ T4249] dump_stack_lvl+0xc0/0x104 [ 407.033101][ T4249] dump_stack+0x1c/0x4c [ 407.034133][ T4249] should_fail_ex+0x1bc/0x1e0 [ 407.035326][ T4249] __should_failslab+0x64/0x78 [ 407.036537][ T4249] should_failslab+0x10/0x28 [ 407.037731][ T4249] __kmem_cache_alloc_node+0x6c/0x348 [ 407.039168][ T4249] __kmalloc+0x98/0xd8 [ 407.040213][ T4249] tomoyo_supervisor+0x700/0x888 [ 407.041461][ T4249] tomoyo_path_number_perm+0x200/0x2a8 [ 407.042838][ T4249] tomoyo_file_ioctl+0x2c/0x3c [ 407.044033][ T4249] security_file_ioctl+0x4c/0x8c [ 407.045255][ T4249] __arm64_sys_ioctl+0x5c/0x148 [ 407.046484][ T4249] invoke_syscall+0x64/0x178 [ 407.047679][ T4249] el0_svc_common+0xb8/0x174 [ 407.048890][ T4249] do_el0_svc+0x48/0x174 [ 407.049962][ T4249] el0_svc+0x34/0x110 [ 407.050960][ T4249] el0t_64_sync_handler+0x84/0xf0 [ 407.052221][ T4249] el0t_64_sync+0x18c/0x190 [ 407.179293][ T4249] block nbd0: shutting down sockets [ 407.282167][ T4252] FAULT_INJECTION: forcing a failure. [ 407.282167][ T4252] name failslab, interval 1, probability 0, space 0, times 0 [ 407.285262][ T4252] CPU: 1 PID: 4252 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 407.287353][ T4252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 407.289726][ T4252] Call trace: [ 407.290505][ T4252] dump_backtrace+0x1c8/0x1f4 [ 407.291699][ T4252] show_stack+0x2c/0x3c [ 407.292785][ T4252] dump_stack_lvl+0xc0/0x104 [ 407.293980][ T4252] dump_stack+0x1c/0x4c [ 407.295076][ T4252] should_fail_ex+0x1bc/0x1e0 [ 407.296323][ T4252] __should_failslab+0x64/0x78 [ 407.297637][ T4252] should_failslab+0x10/0x28 [ 407.298736][ T4252] __kmem_cache_alloc_node+0x6c/0x348 [ 407.300140][ T4252] __kmalloc+0x98/0xd8 [ 407.301159][ T4252] tomoyo_supervisor+0x700/0x888 [ 407.302418][ T4252] tomoyo_path_number_perm+0x200/0x2a8 [ 407.303752][ T4252] tomoyo_file_ioctl+0x2c/0x3c [ 407.304957][ T4252] security_file_ioctl+0x4c/0x8c [ 407.306314][ T4252] __arm64_sys_ioctl+0x5c/0x148 [ 407.307544][ T4252] invoke_syscall+0x64/0x178 [ 407.308828][ T4252] el0_svc_common+0xb8/0x174 [ 407.309926][ T4252] do_el0_svc+0x48/0x174 [ 407.310967][ T4252] el0_svc+0x34/0x110 [ 407.312043][ T4252] el0t_64_sync_handler+0x84/0xf0 [ 407.313311][ T4252] el0t_64_sync+0x18c/0x190 [ 407.440126][ T4252] block nbd0: shutting down sockets [ 407.541064][ T4254] FAULT_INJECTION: forcing a failure. [ 407.541064][ T4254] name failslab, interval 1, probability 0, space 0, times 0 [ 407.544265][ T4254] CPU: 1 PID: 4254 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 407.546353][ T4254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 407.548926][ T4254] Call trace: [ 407.549730][ T4254] dump_backtrace+0x1c8/0x1f4 [ 407.550937][ T4254] show_stack+0x2c/0x3c [ 407.552058][ T4254] dump_stack_lvl+0xc0/0x104 [ 407.553281][ T4254] dump_stack+0x1c/0x4c [ 407.554422][ T4254] should_fail_ex+0x1bc/0x1e0 [ 407.555706][ T4254] __should_failslab+0x64/0x78 [ 407.556918][ T4254] should_failslab+0x10/0x28 [ 407.558106][ T4254] __kmem_cache_alloc_node+0x6c/0x348 [ 407.559613][ T4254] __kmalloc+0x98/0xd8 [ 407.560662][ T4254] tomoyo_supervisor+0x700/0x888 [ 407.562015][ T4254] tomoyo_path_number_perm+0x200/0x2a8 [ 407.563467][ T4254] tomoyo_file_ioctl+0x2c/0x3c [ 407.564707][ T4254] security_file_ioctl+0x4c/0x8c [ 407.565988][ T4254] __arm64_sys_ioctl+0x5c/0x148 [ 407.567310][ T4254] invoke_syscall+0x64/0x178 [ 407.568514][ T4254] el0_svc_common+0xb8/0x174 [ 407.569695][ T4254] do_el0_svc+0x48/0x174 [ 407.570879][ T4254] el0_svc+0x34/0x110 [ 407.572010][ T4254] el0t_64_sync_handler+0x84/0xf0 [ 407.573378][ T4254] el0t_64_sync+0x18c/0x190 [ 407.699553][ T4254] block nbd0: shutting down sockets [ 407.780991][ T4256] FAULT_INJECTION: forcing a failure. [ 407.780991][ T4256] name failslab, interval 1, probability 0, space 0, times 0 [ 407.784337][ T4256] CPU: 1 PID: 4256 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 407.786521][ T4256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 407.788985][ T4256] Call trace: [ 407.789817][ T4256] dump_backtrace+0x1c8/0x1f4 [ 407.791046][ T4256] show_stack+0x2c/0x3c [ 407.792189][ T4256] dump_stack_lvl+0xc0/0x104 [ 407.793410][ T4256] dump_stack+0x1c/0x4c [ 407.794511][ T4256] should_fail_ex+0x1bc/0x1e0 [ 407.795697][ T4256] __should_failslab+0x64/0x78 [ 407.796965][ T4256] should_failslab+0x10/0x28 [ 407.798346][ T4256] __kmem_cache_alloc_node+0x6c/0x348 [ 407.799822][ T4256] __kmalloc+0x98/0xd8 [ 407.800891][ T4256] tomoyo_supervisor+0x700/0x888 [ 407.802179][ T4256] tomoyo_path_number_perm+0x200/0x2a8 [ 407.803669][ T4256] tomoyo_file_ioctl+0x2c/0x3c [ 407.804933][ T4256] security_file_ioctl+0x4c/0x8c [ 407.806307][ T4256] __arm64_sys_ioctl+0x5c/0x148 [ 407.807610][ T4256] invoke_syscall+0x64/0x178 [ 407.808756][ T4256] el0_svc_common+0xb8/0x174 [ 407.809946][ T4256] do_el0_svc+0x48/0x174 [ 407.811146][ T4256] el0_svc+0x34/0x110 [ 407.812223][ T4256] el0t_64_sync_handler+0x84/0xf0 [ 407.813619][ T4256] el0t_64_sync+0x18c/0x190 [ 407.939405][ T4256] block nbd0: shutting down sockets [ 408.047927][ T4258] FAULT_INJECTION: forcing a failure. [ 408.047927][ T4258] name failslab, interval 1, probability 0, space 0, times 0 [ 408.050704][ T4259] block nbd0: Device being setup by another task [ 408.052705][ T4258] CPU: 0 PID: 4258 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 408.054795][ T4258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 408.057232][ T4258] Call trace: [ 408.058091][ T4258] dump_backtrace+0x1c8/0x1f4 [ 408.059274][ T4258] show_stack+0x2c/0x3c [ 408.060258][ T4258] dump_stack_lvl+0xc0/0x104 [ 408.061459][ T4258] dump_stack+0x1c/0x4c [ 408.062505][ T4258] should_fail_ex+0x1bc/0x1e0 [ 408.063685][ T4258] __should_failslab+0x64/0x78 [ 408.064892][ T4258] should_failslab+0x10/0x28 [ 408.066070][ T4258] __kmem_cache_alloc_node+0x6c/0x348 [ 408.067491][ T4258] __kmalloc+0x98/0xd8 [ 408.068577][ T4258] tomoyo_supervisor+0x700/0x888 [ 408.069884][ T4258] tomoyo_path_number_perm+0x200/0x2a8 [ 408.071378][ T4258] tomoyo_file_ioctl+0x2c/0x3c [ 408.072651][ T4258] security_file_ioctl+0x4c/0x8c [ 408.073945][ T4258] __arm64_sys_ioctl+0x5c/0x148 [ 408.075291][ T4258] invoke_syscall+0x64/0x178 [ 408.076442][ T4258] el0_svc_common+0xb8/0x174 [ 408.077634][ T4258] do_el0_svc+0x48/0x174 [ 408.078739][ T4258] el0_svc+0x34/0x110 [ 408.079746][ T4258] el0t_64_sync_handler+0x84/0xf0 [ 408.081128][ T4258] el0t_64_sync+0x18c/0x190 [ 408.206119][ T4258] block nbd0: shutting down sockets [ 408.317015][ T4261] FAULT_INJECTION: forcing a failure. [ 408.317015][ T4261] name failslab, interval 1, probability 0, space 0, times 0 [ 408.320354][ T4261] CPU: 1 PID: 4261 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 408.322507][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 408.325209][ T4261] Call trace: [ 408.326064][ T4261] dump_backtrace+0x1c8/0x1f4 [ 408.327324][ T4261] show_stack+0x2c/0x3c [ 408.328421][ T4261] dump_stack_lvl+0xc0/0x104 [ 408.329660][ T4261] dump_stack+0x1c/0x4c [ 408.330793][ T4261] should_fail_ex+0x1bc/0x1e0 [ 408.332080][ T4261] __should_failslab+0x64/0x78 [ 408.333323][ T4261] should_failslab+0x10/0x28 [ 408.334557][ T4261] __kmem_cache_alloc_node+0x6c/0x348 [ 408.336036][ T4261] __kmalloc+0x98/0xd8 [ 408.337117][ T4261] tomoyo_supervisor+0x700/0x888 [ 408.338389][ T4261] tomoyo_path_number_perm+0x200/0x2a8 [ 408.339784][ T4261] tomoyo_file_ioctl+0x2c/0x3c [ 408.340739][ T4262] block nbd0: Device being setup by another task [ 408.341006][ T4261] security_file_ioctl+0x4c/0x8c [ 408.343980][ T4261] __arm64_sys_ioctl+0x5c/0x148 [ 408.345240][ T4261] invoke_syscall+0x64/0x178 [ 408.346475][ T4261] el0_svc_common+0xb8/0x174 [ 408.347730][ T4261] do_el0_svc+0x48/0x174 [ 408.348804][ T4261] el0_svc+0x34/0x110 [ 408.349944][ T4261] el0t_64_sync_handler+0x84/0xf0 [ 408.351300][ T4261] el0t_64_sync+0x18c/0x190 [ 408.475008][ T4261] block nbd0: shutting down sockets [ 408.585209][ T4266] FAULT_INJECTION: forcing a failure. [ 408.585209][ T4266] name failslab, interval 1, probability 0, space 0, times 0 [ 408.588667][ T4266] CPU: 0 PID: 4266 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 408.590855][ T4266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 408.593600][ T4266] Call trace: [ 408.594458][ T4266] dump_backtrace+0x1c8/0x1f4 [ 408.595714][ T4266] show_stack+0x2c/0x3c [ 408.596888][ T4266] dump_stack_lvl+0xc0/0x104 [ 408.598169][ T4266] dump_stack+0x1c/0x4c [ 408.599363][ T4266] should_fail_ex+0x1bc/0x1e0 [ 408.600726][ T4266] __should_failslab+0x64/0x78 [ 408.602174][ T4266] should_failslab+0x10/0x28 [ 408.603523][ T4266] __kmem_cache_alloc_node+0x6c/0x348 [ 408.604924][ T4266] __kmalloc+0x98/0xd8 [ 408.606011][ T4266] tomoyo_supervisor+0x700/0x888 [ 408.607427][ T4266] tomoyo_path_number_perm+0x200/0x2a8 [ 408.608941][ T4266] tomoyo_file_ioctl+0x2c/0x3c [ 408.610246][ T4266] security_file_ioctl+0x4c/0x8c [ 408.611521][ T4266] __arm64_sys_ioctl+0x5c/0x148 [ 408.612762][ T4266] invoke_syscall+0x64/0x178 [ 408.613946][ T4266] el0_svc_common+0xb8/0x174 [ 408.615158][ T4266] do_el0_svc+0x48/0x174 [ 408.616324][ T4266] el0_svc+0x34/0x110 [ 408.617405][ T4266] el0t_64_sync_handler+0x84/0xf0 [ 408.618699][ T4266] el0t_64_sync+0x18c/0x190 [ 408.670733][ T4265] block nbd0: Device being setup by another task [ 408.744805][ T4266] block nbd0: shutting down sockets [ 408.841050][ T4268] FAULT_INJECTION: forcing a failure. [ 408.841050][ T4268] name failslab, interval 1, probability 0, space 0, times 0 [ 408.844349][ T4268] CPU: 0 PID: 4268 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 408.846467][ T4268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 408.849007][ T4268] Call trace: [ 408.849778][ T4268] dump_backtrace+0x1c8/0x1f4 [ 408.851006][ T4268] show_stack+0x2c/0x3c [ 408.852172][ T4268] dump_stack_lvl+0xc0/0x104 [ 408.853355][ T4268] dump_stack+0x1c/0x4c [ 408.854443][ T4268] should_fail_ex+0x1bc/0x1e0 [ 408.855694][ T4268] __should_failslab+0x64/0x78 [ 408.856944][ T4268] should_failslab+0x10/0x28 [ 408.858174][ T4268] __kmem_cache_alloc_node+0x6c/0x348 [ 408.859531][ T4268] __kmalloc+0x98/0xd8 [ 408.860573][ T4268] tomoyo_supervisor+0x700/0x888 [ 408.861884][ T4268] tomoyo_path_number_perm+0x200/0x2a8 [ 408.863332][ T4268] tomoyo_file_ioctl+0x2c/0x3c [ 408.864713][ T4268] security_file_ioctl+0x4c/0x8c [ 408.866038][ T4268] __arm64_sys_ioctl+0x5c/0x148 [ 408.867377][ T4268] invoke_syscall+0x64/0x178 [ 408.868629][ T4268] el0_svc_common+0xb8/0x174 [ 408.869832][ T4268] do_el0_svc+0x48/0x174 [ 408.870971][ T4268] el0_svc+0x34/0x110 [ 408.872003][ T4268] el0t_64_sync_handler+0x84/0xf0 [ 408.873368][ T4268] el0t_64_sync+0x18c/0x190 [ 408.999526][ T4268] block nbd0: shutting down sockets [ 409.090993][ T4270] FAULT_INJECTION: forcing a failure. [ 409.090993][ T4270] name failslab, interval 1, probability 0, space 0, times 0 [ 409.094343][ T4270] CPU: 1 PID: 4270 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 409.096457][ T4270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 409.099024][ T4270] Call trace: [ 409.099849][ T4270] dump_backtrace+0x1c8/0x1f4 [ 409.101181][ T4270] show_stack+0x2c/0x3c [ 409.102254][ T4270] dump_stack_lvl+0xc0/0x104 [ 409.103478][ T4270] dump_stack+0x1c/0x4c [ 409.104640][ T4270] should_fail_ex+0x1bc/0x1e0 [ 409.105797][ T4270] __should_failslab+0x64/0x78 [ 409.107166][ T4270] should_failslab+0x10/0x28 [ 409.108402][ T4270] __kmem_cache_alloc_node+0x6c/0x348 [ 409.109909][ T4270] __kmalloc+0x98/0xd8 [ 409.111046][ T4270] tomoyo_supervisor+0x700/0x888 [ 409.112413][ T4270] tomoyo_path_number_perm+0x200/0x2a8 [ 409.113897][ T4270] tomoyo_file_ioctl+0x2c/0x3c [ 409.115164][ T4270] security_file_ioctl+0x4c/0x8c [ 409.116515][ T4270] __arm64_sys_ioctl+0x5c/0x148 [ 409.117826][ T4270] invoke_syscall+0x64/0x178 [ 409.119032][ T4270] el0_svc_common+0xb8/0x174 [ 409.120320][ T4270] do_el0_svc+0x48/0x174 [ 409.121469][ T4270] el0_svc+0x34/0x110 [ 409.122544][ T4270] el0t_64_sync_handler+0x84/0xf0 [ 409.123857][ T4270] el0t_64_sync+0x18c/0x190 [ 409.249084][ T4270] block nbd0: shutting down sockets [ 409.341106][ T4272] FAULT_INJECTION: forcing a failure. [ 409.341106][ T4272] name failslab, interval 1, probability 0, space 0, times 0 [ 409.344401][ T4272] CPU: 1 PID: 4272 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 409.346477][ T4272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 409.348989][ T4272] Call trace: [ 409.349820][ T4272] dump_backtrace+0x1c8/0x1f4 [ 409.350950][ T4272] show_stack+0x2c/0x3c [ 409.352055][ T4272] dump_stack_lvl+0xc0/0x104 [ 409.353355][ T4272] dump_stack+0x1c/0x4c [ 409.354447][ T4272] should_fail_ex+0x1bc/0x1e0 [ 409.355679][ T4272] __should_failslab+0x64/0x78 [ 409.356925][ T4272] should_failslab+0x10/0x28 [ 409.358197][ T4272] __kmem_cache_alloc_node+0x6c/0x348 [ 409.359651][ T4272] __kmalloc+0x98/0xd8 [ 409.360753][ T4272] tomoyo_supervisor+0x700/0x888 [ 409.362091][ T4272] tomoyo_path_number_perm+0x200/0x2a8 [ 409.363507][ T4272] tomoyo_file_ioctl+0x2c/0x3c [ 409.364759][ T4272] security_file_ioctl+0x4c/0x8c [ 409.366112][ T4272] __arm64_sys_ioctl+0x5c/0x148 [ 409.367419][ T4272] invoke_syscall+0x64/0x178 [ 409.368695][ T4272] el0_svc_common+0xb8/0x174 [ 409.369943][ T4272] do_el0_svc+0x48/0x174 [ 409.371046][ T4272] el0_svc+0x34/0x110 [ 409.372098][ T4272] el0t_64_sync_handler+0x84/0xf0 [ 409.373424][ T4272] el0t_64_sync+0x18c/0x190 [ 409.500066][ T4272] block nbd0: shutting down sockets [ 409.581038][ T4274] FAULT_INJECTION: forcing a failure. [ 409.581038][ T4274] name failslab, interval 1, probability 0, space 0, times 0 [ 409.584186][ T4274] CPU: 1 PID: 4274 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 409.586290][ T4274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 409.588825][ T4274] Call trace: [ 409.589627][ T4274] dump_backtrace+0x1c8/0x1f4 [ 409.590800][ T4274] show_stack+0x2c/0x3c [ 409.591843][ T4274] dump_stack_lvl+0xc0/0x104 [ 409.593065][ T4274] dump_stack+0x1c/0x4c [ 409.594129][ T4274] should_fail_ex+0x1bc/0x1e0 [ 409.595409][ T4274] __should_failslab+0x64/0x78 [ 409.596733][ T4274] should_failslab+0x10/0x28 [ 409.597995][ T4274] __kmem_cache_alloc_node+0x6c/0x348 [ 409.599517][ T4274] __kmalloc+0x98/0xd8 [ 409.600610][ T4274] tomoyo_supervisor+0x700/0x888 [ 409.601976][ T4274] tomoyo_path_number_perm+0x200/0x2a8 [ 409.603450][ T4274] tomoyo_file_ioctl+0x2c/0x3c [ 409.604734][ T4274] security_file_ioctl+0x4c/0x8c [ 409.606086][ T4274] __arm64_sys_ioctl+0x5c/0x148 [ 409.607347][ T4274] invoke_syscall+0x64/0x178 [ 409.608540][ T4274] el0_svc_common+0xb8/0x174 [ 409.609723][ T4274] do_el0_svc+0x48/0x174 [ 409.610954][ T4274] el0_svc+0x34/0x110 [ 409.611998][ T4274] el0t_64_sync_handler+0x84/0xf0 [ 409.613306][ T4274] el0t_64_sync+0x18c/0x190 [ 409.739325][ T4274] block nbd0: shutting down sockets [ 409.821128][ T4276] FAULT_INJECTION: forcing a failure. [ 409.821128][ T4276] name failslab, interval 1, probability 0, space 0, times 0 [ 409.824320][ T4276] CPU: 0 PID: 4276 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 409.826400][ T4276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 409.828910][ T4276] Call trace: [ 409.829717][ T4276] dump_backtrace+0x1c8/0x1f4 [ 409.830936][ T4276] show_stack+0x2c/0x3c [ 409.832133][ T4276] dump_stack_lvl+0xc0/0x104 [ 409.833388][ T4276] dump_stack+0x1c/0x4c [ 409.834585][ T4276] should_fail_ex+0x1bc/0x1e0 [ 409.835810][ T4276] __should_failslab+0x64/0x78 [ 409.837042][ T4276] should_failslab+0x10/0x28 [ 409.838194][ T4276] __kmem_cache_alloc_node+0x6c/0x348 [ 409.839628][ T4276] __kmalloc+0x98/0xd8 [ 409.840656][ T4276] tomoyo_supervisor+0x700/0x888 [ 409.841981][ T4276] tomoyo_path_number_perm+0x200/0x2a8 [ 409.843452][ T4276] tomoyo_file_ioctl+0x2c/0x3c [ 409.844746][ T4276] security_file_ioctl+0x4c/0x8c [ 409.846078][ T4276] __arm64_sys_ioctl+0x5c/0x148 [ 409.847372][ T4276] invoke_syscall+0x64/0x178 [ 409.848615][ T4276] el0_svc_common+0xb8/0x174 [ 409.849871][ T4276] do_el0_svc+0x48/0x174 [ 409.851379][ T4276] el0_svc+0x34/0x110 [ 409.852430][ T4276] el0t_64_sync_handler+0x84/0xf0 [ 409.853776][ T4276] el0t_64_sync+0x18c/0x190 [ 409.978968][ T4276] block nbd0: shutting down sockets [ 410.072199][ T4279] FAULT_INJECTION: forcing a failure. [ 410.072199][ T4279] name failslab, interval 1, probability 0, space 0, times 0 [ 410.075504][ T4279] CPU: 0 PID: 4279 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 410.077648][ T4279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 410.080141][ T4279] Call trace: [ 410.080928][ T4279] dump_backtrace+0x1c8/0x1f4 [ 410.082215][ T4279] show_stack+0x2c/0x3c [ 410.083303][ T4279] dump_stack_lvl+0xc0/0x104 [ 410.084525][ T4279] dump_stack+0x1c/0x4c [ 410.085654][ T4279] should_fail_ex+0x1bc/0x1e0 [ 410.086931][ T4279] __should_failslab+0x64/0x78 [ 410.088181][ T4279] should_failslab+0x10/0x28 [ 410.089338][ T4279] __kmem_cache_alloc_node+0x6c/0x348 [ 410.090683][ T4279] __kmalloc+0x98/0xd8 [ 410.091743][ T4279] tomoyo_supervisor+0x700/0x888 [ 410.093052][ T4279] tomoyo_path_number_perm+0x200/0x2a8 [ 410.094555][ T4279] tomoyo_file_ioctl+0x2c/0x3c [ 410.095791][ T4279] security_file_ioctl+0x4c/0x8c [ 410.097154][ T4279] __arm64_sys_ioctl+0x5c/0x148 [ 410.098464][ T4279] invoke_syscall+0x64/0x178 [ 410.099642][ T4279] el0_svc_common+0xb8/0x174 [ 410.100807][ T4279] do_el0_svc+0x48/0x174 [ 410.101909][ T4279] el0_svc+0x34/0x110 [ 410.102945][ T4279] el0t_64_sync_handler+0x84/0xf0 [ 410.104300][ T4279] el0t_64_sync+0x18c/0x190 [ 410.229871][ T4279] block nbd0: shutting down sockets [ 410.341002][ T4281] FAULT_INJECTION: forcing a failure. [ 410.341002][ T4281] name failslab, interval 1, probability 0, space 0, times 0 [ 410.344190][ T4281] CPU: 1 PID: 4281 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 410.346285][ T4281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 410.348741][ T4281] Call trace: [ 410.349534][ T4281] dump_backtrace+0x1c8/0x1f4 [ 410.350780][ T4281] show_stack+0x2c/0x3c [ 410.351888][ T4281] dump_stack_lvl+0xc0/0x104 [ 410.353172][ T4281] dump_stack+0x1c/0x4c [ 410.354257][ T4281] should_fail_ex+0x1bc/0x1e0 [ 410.355491][ T4281] __should_failslab+0x64/0x78 [ 410.356787][ T4281] should_failslab+0x10/0x28 [ 410.358013][ T4281] __kmem_cache_alloc_node+0x6c/0x348 [ 410.359429][ T4281] __kmalloc+0x98/0xd8 [ 410.360476][ T4281] tomoyo_supervisor+0x700/0x888 [ 410.360719][ T4282] block nbd0: Device being setup by another task [ 410.361763][ T4281] tomoyo_path_number_perm+0x200/0x2a8 [ 410.364963][ T4281] tomoyo_file_ioctl+0x2c/0x3c [ 410.366211][ T4281] security_file_ioctl+0x4c/0x8c [ 410.367526][ T4281] __arm64_sys_ioctl+0x5c/0x148 [ 410.368827][ T4281] invoke_syscall+0x64/0x178 [ 410.370064][ T4281] el0_svc_common+0xb8/0x174 [ 410.371268][ T4281] do_el0_svc+0x48/0x174 [ 410.372420][ T4281] el0_svc+0x34/0x110 [ 410.373438][ T4281] el0t_64_sync_handler+0x84/0xf0 [ 410.374753][ T4281] el0t_64_sync+0x18c/0x190 [ 410.500236][ T4281] block nbd0: shutting down sockets [ 410.581035][ T4284] FAULT_INJECTION: forcing a failure. [ 410.581035][ T4284] name failslab, interval 1, probability 0, space 0, times 0 [ 410.584306][ T4284] CPU: 1 PID: 4284 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 410.586505][ T4284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 410.589087][ T4284] Call trace: [ 410.589859][ T4284] dump_backtrace+0x1c8/0x1f4 [ 410.591063][ T4284] show_stack+0x2c/0x3c [ 410.592199][ T4284] dump_stack_lvl+0xc0/0x104 [ 410.593341][ T4284] dump_stack+0x1c/0x4c [ 410.594425][ T4284] should_fail_ex+0x1bc/0x1e0 [ 410.595645][ T4284] __should_failslab+0x64/0x78 [ 410.596943][ T4284] should_failslab+0x10/0x28 [ 410.598133][ T4284] __kmem_cache_alloc_node+0x6c/0x348 [ 410.599565][ T4284] __kmalloc+0x98/0xd8 [ 410.600699][ T4284] tomoyo_supervisor+0x700/0x888 [ 410.602003][ T4284] tomoyo_path_number_perm+0x200/0x2a8 [ 410.603518][ T4284] tomoyo_file_ioctl+0x2c/0x3c [ 410.604746][ T4284] security_file_ioctl+0x4c/0x8c [ 410.606088][ T4284] __arm64_sys_ioctl+0x5c/0x148 [ 410.607446][ T4284] invoke_syscall+0x64/0x178 [ 410.608684][ T4284] el0_svc_common+0xb8/0x174 [ 410.609899][ T4284] do_el0_svc+0x48/0x174 [ 410.611006][ T4284] el0_svc+0x34/0x110 [ 410.612087][ T4284] el0t_64_sync_handler+0x84/0xf0 [ 410.613421][ T4284] el0t_64_sync+0x18c/0x190 [ 410.739232][ T4284] block nbd0: shutting down sockets [ 410.842237][ T4287] FAULT_INJECTION: forcing a failure. [ 410.842237][ T4287] name failslab, interval 1, probability 0, space 0, times 0 [ 410.845537][ T4287] CPU: 1 PID: 4287 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 410.847636][ T4287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 410.850128][ T4287] Call trace: [ 410.850923][ T4287] dump_backtrace+0x1c8/0x1f4 [ 410.852201][ T4287] show_stack+0x2c/0x3c [ 410.853228][ T4287] dump_stack_lvl+0xc0/0x104 [ 410.854486][ T4287] dump_stack+0x1c/0x4c [ 410.855628][ T4287] should_fail_ex+0x1bc/0x1e0 [ 410.856880][ T4287] __should_failslab+0x64/0x78 [ 410.858236][ T4287] should_failslab+0x10/0x28 [ 410.859434][ T4287] __kmem_cache_alloc_node+0x6c/0x348 [ 410.860868][ T4287] __kmalloc+0x98/0xd8 [ 410.862007][ T4287] tomoyo_supervisor+0x700/0x888 [ 410.863290][ T4287] tomoyo_path_number_perm+0x200/0x2a8 [ 410.864734][ T4287] tomoyo_file_ioctl+0x2c/0x3c [ 410.866047][ T4287] security_file_ioctl+0x4c/0x8c [ 410.867408][ T4287] __arm64_sys_ioctl+0x5c/0x148 [ 410.868747][ T4287] invoke_syscall+0x64/0x178 [ 410.870053][ T4287] el0_svc_common+0xb8/0x174 [ 410.871264][ T4287] do_el0_svc+0x48/0x174 [ 410.872364][ T4287] el0_svc+0x34/0x110 [ 410.873401][ T4287] el0t_64_sync_handler+0x84/0xf0 [ 410.874724][ T4287] el0t_64_sync+0x18c/0x190 [ 411.000871][ T4287] block nbd0: shutting down sockets [ 411.081066][ T4289] FAULT_INJECTION: forcing a failure. [ 411.081066][ T4289] name failslab, interval 1, probability 0, space 0, times 0 [ 411.084321][ T4289] CPU: 1 PID: 4289 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 411.086462][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 411.088978][ T4289] Call trace: [ 411.089774][ T4289] dump_backtrace+0x1c8/0x1f4 [ 411.091071][ T4289] show_stack+0x2c/0x3c [ 411.092220][ T4289] dump_stack_lvl+0xc0/0x104 [ 411.093485][ T4289] dump_stack+0x1c/0x4c [ 411.094607][ T4289] should_fail_ex+0x1bc/0x1e0 [ 411.095849][ T4289] __should_failslab+0x64/0x78 [ 411.097192][ T4289] should_failslab+0x10/0x28 [ 411.098418][ T4289] __kmem_cache_alloc_node+0x6c/0x348 [ 411.099833][ T4289] __kmalloc+0x98/0xd8 [ 411.100858][ T4289] tomoyo_supervisor+0x700/0x888 [ 411.102146][ T4289] tomoyo_path_number_perm+0x200/0x2a8 [ 411.103576][ T4289] tomoyo_file_ioctl+0x2c/0x3c [ 411.104857][ T4289] security_file_ioctl+0x4c/0x8c [ 411.106087][ T4289] __arm64_sys_ioctl+0x5c/0x148 [ 411.107412][ T4289] invoke_syscall+0x64/0x178 [ 411.108613][ T4289] el0_svc_common+0xb8/0x174 [ 411.109869][ T4289] do_el0_svc+0x48/0x174 [ 411.111062][ T4289] el0_svc+0x34/0x110 [ 411.112134][ T4289] el0t_64_sync_handler+0x84/0xf0 [ 411.113541][ T4289] el0t_64_sync+0x18c/0x190 [ 411.239201][ T4289] block nbd0: shutting down sockets [ 411.350006][ T4291] FAULT_INJECTION: forcing a failure. [ 411.350006][ T4291] name failslab, interval 1, probability 0, space 0, times 0 [ 411.353441][ T4291] CPU: 0 PID: 4291 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 411.355613][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 411.358086][ T4291] Call trace: [ 411.358916][ T4291] dump_backtrace+0x1c8/0x1f4 [ 411.360170][ T4291] show_stack+0x2c/0x3c [ 411.361324][ T4291] dump_stack_lvl+0xc0/0x104 [ 411.362568][ T4291] dump_stack+0x1c/0x4c [ 411.363697][ T4291] should_fail_ex+0x1bc/0x1e0 [ 411.364971][ T4291] __should_failslab+0x64/0x78 [ 411.366308][ T4291] should_failslab+0x10/0x28 [ 411.367592][ T4291] __kmem_cache_alloc_node+0x6c/0x348 [ 411.369119][ T4291] __kmalloc+0x98/0xd8 [ 411.370161][ T4291] tomoyo_supervisor+0x700/0x888 [ 411.371450][ T4291] tomoyo_path_number_perm+0x200/0x2a8 [ 411.372889][ T4291] tomoyo_file_ioctl+0x2c/0x3c [ 411.374105][ T4291] security_file_ioctl+0x4c/0x8c [ 411.375353][ T4291] __arm64_sys_ioctl+0x5c/0x148 [ 411.376758][ T4291] invoke_syscall+0x64/0x178 [ 411.378073][ T4291] el0_svc_common+0xb8/0x174 [ 411.379341][ T4291] do_el0_svc+0x48/0x174 [ 411.380519][ T4291] el0_svc+0x34/0x110 [ 411.381577][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 411.382835][ T4291] el0t_64_sync+0x18c/0x190 [ 411.390772][ T4292] block nbd0: Device being setup by another task [ 411.507771][ T4291] block nbd0: shutting down sockets [ 411.601066][ T4294] FAULT_INJECTION: forcing a failure. [ 411.601066][ T4294] name failslab, interval 1, probability 0, space 0, times 0 [ 411.604238][ T4294] CPU: 0 PID: 4294 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 411.606433][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 411.608982][ T4294] Call trace: [ 411.609805][ T4294] dump_backtrace+0x1c8/0x1f4 [ 411.611027][ T4294] show_stack+0x2c/0x3c [ 411.612257][ T4294] dump_stack_lvl+0xc0/0x104 [ 411.613500][ T4294] dump_stack+0x1c/0x4c [ 411.614599][ T4294] should_fail_ex+0x1bc/0x1e0 [ 411.615869][ T4294] __should_failslab+0x64/0x78 [ 411.617186][ T4294] should_failslab+0x10/0x28 [ 411.618437][ T4294] __kmem_cache_alloc_node+0x6c/0x348 [ 411.619894][ T4294] __kmalloc+0x98/0xd8 [ 411.621068][ T4294] tomoyo_supervisor+0x700/0x888 [ 411.622378][ T4294] tomoyo_path_number_perm+0x200/0x2a8 [ 411.623870][ T4294] tomoyo_file_ioctl+0x2c/0x3c [ 411.625239][ T4294] security_file_ioctl+0x4c/0x8c [ 411.626567][ T4294] __arm64_sys_ioctl+0x5c/0x148 [ 411.627852][ T4294] invoke_syscall+0x64/0x178 [ 411.629118][ T4294] el0_svc_common+0xb8/0x174 [ 411.630317][ T4294] do_el0_svc+0x48/0x174 [ 411.631440][ T4294] el0_svc+0x34/0x110 [ 411.632541][ T4294] el0t_64_sync_handler+0x84/0xf0 [ 411.633878][ T4294] el0t_64_sync+0x18c/0x190 [ 411.759333][ T4294] block nbd0: shutting down sockets [ 411.820947][ T4296] FAULT_INJECTION: forcing a failure. [ 411.820947][ T4296] name failslab, interval 1, probability 0, space 0, times 0 [ 411.824264][ T4296] CPU: 0 PID: 4296 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 411.826355][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 411.828923][ T4296] Call trace: [ 411.829756][ T4296] dump_backtrace+0x1c8/0x1f4 [ 411.830896][ T4296] show_stack+0x2c/0x3c [ 411.831962][ T4296] dump_stack_lvl+0xc0/0x104 [ 411.833150][ T4296] dump_stack+0x1c/0x4c [ 411.834216][ T4296] should_fail_ex+0x1bc/0x1e0 [ 411.835470][ T4296] __should_failslab+0x64/0x78 [ 411.836708][ T4296] should_failslab+0x10/0x28 [ 411.837992][ T4296] slab_pre_alloc_hook+0x54/0x1f4 [ 411.839340][ T4296] kmem_cache_alloc_lru+0x60/0x2ac [ 411.840810][ T4296] alloc_inode+0x7c/0x104 [ 411.841910][ T4296] new_inode+0x2c/0xc0 [ 411.843059][ T4296] debugfs_create_dir+0x98/0x1e0 [ 411.844367][ T4296] nbd_start_device+0x1b4/0x510 [ 411.845687][ T4296] nbd_ioctl+0x228/0x66c [ 411.846800][ T4296] blkdev_ioctl+0x218/0x664 [ 411.847972][ T4296] __arm64_sys_ioctl+0xd0/0x148 [ 411.849336][ T4296] invoke_syscall+0x64/0x178 [ 411.850506][ T4296] el0_svc_common+0xb8/0x174 [ 411.851661][ T4296] do_el0_svc+0x48/0x174 [ 411.852773][ T4296] el0_svc+0x34/0x110 [ 411.853771][ T4296] el0t_64_sync_handler+0x84/0xf0 [ 411.855128][ T4296] el0t_64_sync+0x18c/0x190 [ 411.856328][ T4296] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.858429][ T4296] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.978973][ T4296] block nbd0: shutting down sockets [ 412.060900][ T4298] FAULT_INJECTION: forcing a failure. [ 412.060900][ T4298] name failslab, interval 1, probability 0, space 0, times 0 [ 412.064157][ T4298] CPU: 0 PID: 4298 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 412.066282][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 412.068713][ T4298] Call trace: [ 412.069492][ T4298] dump_backtrace+0x1c8/0x1f4 [ 412.070634][ T4298] show_stack+0x2c/0x3c [ 412.071786][ T4298] dump_stack_lvl+0xc0/0x104 [ 412.072992][ T4298] dump_stack+0x1c/0x4c [ 412.073996][ T4298] should_fail_ex+0x1bc/0x1e0 [ 412.075236][ T4298] __should_failslab+0x64/0x78 [ 412.076466][ T4298] should_failslab+0x10/0x28 [ 412.077606][ T4298] slab_pre_alloc_hook+0x54/0x1f4 [ 412.078878][ T4298] kmem_cache_alloc_lru+0x60/0x2ac [ 412.080190][ T4298] alloc_inode+0x7c/0x104 [ 412.081346][ T4298] new_inode+0x2c/0xc0 [ 412.082392][ T4298] debugfs_create_dir+0x98/0x1e0 [ 412.083629][ T4298] nbd_start_device+0x1b4/0x510 [ 412.084891][ T4298] nbd_ioctl+0x228/0x66c [ 412.085995][ T4298] blkdev_ioctl+0x218/0x664 [ 412.087178][ T4298] __arm64_sys_ioctl+0xd0/0x148 [ 412.088489][ T4298] invoke_syscall+0x64/0x178 [ 412.089694][ T4298] el0_svc_common+0xb8/0x174 [ 412.090934][ T4298] do_el0_svc+0x48/0x174 [ 412.092156][ T4298] el0_svc+0x34/0x110 [ 412.093245][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 412.094628][ T4298] el0t_64_sync+0x18c/0x190 [ 412.095866][ T4298] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.097962][ T4298] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.219519][ T4298] block nbd0: shutting down sockets [ 412.320746][ T4301] FAULT_INJECTION: forcing a failure. [ 412.320746][ T4301] name failslab, interval 1, probability 0, space 0, times 0 [ 412.324105][ T4301] CPU: 1 PID: 4301 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 412.326274][ T4301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 412.328773][ T4301] Call trace: [ 412.329558][ T4301] dump_backtrace+0x1c8/0x1f4 [ 412.330724][ T4301] show_stack+0x2c/0x3c [ 412.331806][ T4301] dump_stack_lvl+0xc0/0x104 [ 412.333031][ T4301] dump_stack+0x1c/0x4c [ 412.334184][ T4301] should_fail_ex+0x1bc/0x1e0 [ 412.335408][ T4301] __should_failslab+0x64/0x78 [ 412.336686][ T4301] should_failslab+0x10/0x28 [ 412.337950][ T4301] slab_pre_alloc_hook+0x54/0x1f4 [ 412.339367][ T4301] kmem_cache_alloc_lru+0x60/0x2ac [ 412.340773][ T4301] alloc_inode+0x7c/0x104 [ 412.341987][ T4301] new_inode+0x2c/0xc0 [ 412.343064][ T4301] debugfs_create_dir+0x98/0x1e0 [ 412.344401][ T4301] nbd_start_device+0x1b4/0x510 [ 412.345696][ T4301] nbd_ioctl+0x228/0x66c [ 412.346829][ T4301] blkdev_ioctl+0x218/0x664 [ 412.348025][ T4301] __arm64_sys_ioctl+0xd0/0x148 [ 412.349396][ T4301] invoke_syscall+0x64/0x178 [ 412.350570][ T4301] el0_svc_common+0xb8/0x174 [ 412.351810][ T4301] do_el0_svc+0x48/0x174 [ 412.352919][ T4301] el0_svc+0x34/0x110 [ 412.354073][ T4301] el0t_64_sync_handler+0x84/0xf0 [ 412.355406][ T4301] el0t_64_sync+0x18c/0x190 [ 412.356773][ T4301] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.358915][ T4301] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.471394][ T4301] block nbd0: shutting down sockets [ 412.580707][ T4304] block nbd0: Device being setup by another task [ 412.622617][ T4303] FAULT_INJECTION: forcing a failure. [ 412.622617][ T4303] name failslab, interval 1, probability 0, space 0, times 0 [ 412.626000][ T4303] CPU: 1 PID: 4303 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 412.628067][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 412.630564][ T4303] Call trace: [ 412.631398][ T4303] dump_backtrace+0x1c8/0x1f4 [ 412.632631][ T4303] show_stack+0x2c/0x3c [ 412.633733][ T4303] dump_stack_lvl+0xc0/0x104 [ 412.634968][ T4303] dump_stack+0x1c/0x4c [ 412.636094][ T4303] should_fail_ex+0x1bc/0x1e0 [ 412.637391][ T4303] __should_failslab+0x64/0x78 [ 412.638589][ T4303] should_failslab+0x10/0x28 [ 412.639824][ T4303] __kmem_cache_alloc_node+0x6c/0x348 [ 412.641236][ T4303] __kmalloc_node_track_caller+0x84/0xc0 [ 412.642791][ T4303] kstrdup_const+0x90/0xdc [ 412.643947][ T4303] __kernfs_new_node+0x5c/0x2e8 [ 412.645304][ T4303] kernfs_create_dir_ns+0xac/0x188 [ 412.646614][ T4303] sysfs_create_dir_ns+0x8c/0x168 [ 412.647930][ T4303] kobject_add_internal+0x314/0x64c [ 412.649410][ T4303] kobject_add+0xb8/0x130 [ 412.650497][ T4303] blk_mq_register_hctx+0x54/0x184 [ 412.651897][ T4303] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 412.653452][ T4303] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 412.655024][ T4303] nbd_start_device+0xc4/0x510 [ 412.656296][ T4303] nbd_ioctl+0x228/0x66c [ 412.657467][ T4303] blkdev_ioctl+0x218/0x664 [ 412.658678][ T4303] __arm64_sys_ioctl+0xd0/0x148 [ 412.659970][ T4303] invoke_syscall+0x64/0x178 [ 412.661218][ T4303] el0_svc_common+0xb8/0x174 [ 412.662416][ T4303] do_el0_svc+0x48/0x174 [ 412.663619][ T4303] el0_svc+0x34/0x110 [ 412.664795][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 412.666169][ T4303] el0t_64_sync+0x18c/0x190 [ 412.667515][ T4303] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 412.775923][ T4303] block nbd0: shutting down sockets [ 412.912705][ T4306] ------------[ cut here ]------------ [ 412.914228][ T4306] kernfs: can not remove 'nr_tags', no directory [ 412.915870][ T4306] WARNING: CPU: 0 PID: 4306 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 412.918327][ T4306] Modules linked in: [ 412.919319][ T4306] CPU: 0 PID: 4306 Comm: syz-executor193 Not tainted 6.1.106-syzkaller #0 [ 412.921532][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 412.924321][ T4306] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 412.926395][ T4306] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 412.927967][ T4306] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 412.929601][ T4306] sp : ffff80000de8bac0 [ 412.930769][ T4306] x29: ffff80000de8bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 412.932907][ T4306] x26: ffff0000c52f3d08 x25: ffff80000de8bbe8 x24: ffff0001ffbc0000 [ 412.935116][ T4306] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 412.937236][ T4306] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 412.939444][ T4306] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 412.941595][ T4306] x14: 0000000000000000 x13: 205d363033345420 x12: ffff80000d1a5000 [ 412.943755][ T4306] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 09806a2b9c8c5000 [ 412.945999][ T4306] x8 : 09806a2b9c8c5000 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 412.948207][ T4306] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 412.950309][ T4306] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 412.952535][ T4306] Call trace: [ 412.953458][ T4306] kernfs_remove_by_name_ns+0xb4/0x110 [ 412.954942][ T4306] sysfs_remove_group+0x68/0x160 [ 412.956364][ T4306] sysfs_remove_groups+0x3c/0x78 [ 412.957668][ T4306] __kobject_del+0x34/0x134 [ 412.958887][ T4306] kobject_del+0x2c/0x4c [ 412.960120][ T4306] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 412.961628][ T4306] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 412.963052][ T4306] nbd_start_device+0xc4/0x510 [ 412.964353][ T4306] nbd_ioctl+0x228/0x66c [ 412.965422][ T4306] blkdev_ioctl+0x218/0x664 [ 412.966588][ T4306] __arm64_sys_ioctl+0xd0/0x148 [ 412.967790][ T4306] invoke_syscall+0x64/0x178 [ 412.968953][ T4306] el0_svc_common+0xb8/0x174 [ 412.970185][ T4306] do_el0_svc+0x48/0x174 [ 412.971267][ T4306] el0_svc+0x34/0x110 [ 412.972299][ T4306] el0t_64_sync_handler+0x84/0xf0 [ 412.973636][ T4306] el0t_64_sync+0x18c/0x190 [ 412.974806][ T4306] ---[ end trace 0000000000000000 ]--- [ 412.976287][ T4306] ------------[ cut here ]------------ [ 412.977689][ T4306] kernfs: can not remove 'nr_reserved_tags', no directory [ 412.979706][ T4306] WARNING: CPU: 0 PID: 4306 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 412.982303][ T4306] Modules linked in: [ 412.983312][ T4306] CPU: 0 PID: 4306 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 412.985906][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 412.988629][ T4306] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 412.990759][ T4306] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 412.992325][ T4306] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 412.993900][ T4306] sp : ffff80000de8bac0 [ 412.994962][ T4306] x29: ffff80000de8bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 412.997100][ T4306] x26: ffff0000c52f3d08 x25: ffff80000de8bbe8 x24: ffff0001ffbc0000 [ 412.999168][ T4306] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 413.001276][ T4306] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.003397][ T4306] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 413.005534][ T4306] x14: 0000000000000000 x13: 205d363033345420 x12: ffff80000d1a5000 [ 413.007757][ T4306] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 09806a2b9c8c5000 [ 413.009915][ T4306] x8 : 09806a2b9c8c5000 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 413.012042][ T4306] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.014202][ T4306] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.016339][ T4306] Call trace: [ 413.017222][ T4306] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.018730][ T4306] sysfs_remove_group+0x68/0x160 [ 413.020092][ T4306] sysfs_remove_groups+0x3c/0x78 [ 413.021386][ T4306] __kobject_del+0x34/0x134 [ 413.022647][ T4306] kobject_del+0x2c/0x4c [ 413.023941][ T4306] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.025528][ T4306] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.027072][ T4306] nbd_start_device+0xc4/0x510 [ 413.028332][ T4306] nbd_ioctl+0x228/0x66c [ 413.029484][ T4306] blkdev_ioctl+0x218/0x664 [ 413.030690][ T4306] __arm64_sys_ioctl+0xd0/0x148 [ 413.031998][ T4306] invoke_syscall+0x64/0x178 [ 413.033189][ T4306] el0_svc_common+0xb8/0x174 [ 413.034454][ T4306] do_el0_svc+0x48/0x174 [ 413.035608][ T4306] el0_svc+0x34/0x110 [ 413.036713][ T4306] el0t_64_sync_handler+0x84/0xf0 [ 413.038068][ T4306] el0t_64_sync+0x18c/0x190 [ 413.039363][ T4306] ---[ end trace 0000000000000000 ]--- [ 413.040852][ T4306] ------------[ cut here ]------------ [ 413.042368][ T4306] kernfs: can not remove 'cpu_list', no directory [ 413.044157][ T4306] WARNING: CPU: 0 PID: 4306 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.046618][ T4306] Modules linked in: [ 413.047602][ T4306] CPU: 0 PID: 4306 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 413.050194][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 413.052888][ T4306] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.054982][ T4306] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.056562][ T4306] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.058120][ T4306] sp : ffff80000de8bac0 [ 413.059285][ T4306] x29: ffff80000de8bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 413.061484][ T4306] x26: ffff0000c52f3d08 x25: ffff80000de8bbe8 x24: ffff0001ffbc0000 [ 413.063540][ T4306] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 413.065662][ T4306] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.067855][ T4306] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 413.069984][ T4306] x14: 0000000000000000 x13: 205d363033345420 x12: ffff80000d1a5000 [ 413.072058][ T4306] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 09806a2b9c8c5000 [ 413.074194][ T4306] x8 : 09806a2b9c8c5000 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 413.076379][ T4306] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.078525][ T4306] x2 : ffff0001fe9d1ba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.080647][ T4306] Call trace: [ 413.081543][ T4306] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.083009][ T4306] sysfs_remove_group+0x68/0x160 [ 413.084360][ T4306] sysfs_remove_groups+0x3c/0x78 [ 413.085634][ T4306] __kobject_del+0x34/0x134 [ 413.086797][ T4306] kobject_del+0x2c/0x4c [ 413.087892][ T4306] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.089432][ T4306] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.090875][ T4306] nbd_start_device+0xc4/0x510 [ 413.092126][ T4306] nbd_ioctl+0x228/0x66c [ 413.093210][ T4306] blkdev_ioctl+0x218/0x664 [ 413.094387][ T4306] __arm64_sys_ioctl+0xd0/0x148 [ 413.095696][ T4306] invoke_syscall+0x64/0x178 [ 413.096943][ T4306] el0_svc_common+0xb8/0x174 [ 413.098196][ T4306] do_el0_svc+0x48/0x174 [ 413.099251][ T4306] el0_svc+0x34/0x110 [ 413.100260][ T4306] el0t_64_sync_handler+0x84/0xf0 [ 413.101564][ T4306] el0t_64_sync+0x18c/0x190 [ 413.102684][ T4306] ---[ end trace 0000000000000000 ]--- [ 413.106615][ T4306] block nbd0: shutting down sockets [ 413.190929][ T4308] FAULT_INJECTION: forcing a failure. [ 413.190929][ T4308] name failslab, interval 1, probability 0, space 0, times 0 [ 413.194235][ T4308] CPU: 0 PID: 4308 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 413.196716][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 413.199169][ T4308] Call trace: [ 413.199960][ T4308] dump_backtrace+0x1c8/0x1f4 [ 413.201224][ T4308] show_stack+0x2c/0x3c [ 413.202328][ T4308] dump_stack_lvl+0xc0/0x104 [ 413.203540][ T4308] dump_stack+0x1c/0x4c [ 413.204662][ T4308] should_fail_ex+0x1bc/0x1e0 [ 413.205870][ T4308] __should_failslab+0x64/0x78 [ 413.207046][ T4308] should_failslab+0x10/0x28 [ 413.208208][ T4308] slab_pre_alloc_hook+0x54/0x1f4 [ 413.209532][ T4308] kmem_cache_alloc_lru+0x60/0x2ac [ 413.210891][ T4308] alloc_inode+0x7c/0x104 [ 413.212135][ T4308] new_inode+0x2c/0xc0 [ 413.213211][ T4308] debugfs_create_dir+0x98/0x1e0 [ 413.214493][ T4308] nbd_start_device+0x1b4/0x510 [ 413.215725][ T4308] nbd_ioctl+0x228/0x66c [ 413.216805][ T4308] blkdev_ioctl+0x218/0x664 [ 413.217939][ T4308] __arm64_sys_ioctl+0xd0/0x148 [ 413.219209][ T4308] invoke_syscall+0x64/0x178 [ 413.220402][ T4308] el0_svc_common+0xb8/0x174 [ 413.221618][ T4308] do_el0_svc+0x48/0x174 [ 413.222786][ T4308] el0_svc+0x34/0x110 [ 413.223832][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 413.225157][ T4308] el0t_64_sync+0x18c/0x190 [ 413.226374][ T4308] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.228305][ T4308] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.348904][ T4308] block nbd0: shutting down sockets [ 413.470727][ T4311] block nbd0: Device being setup by another task [ 413.522543][ T4310] FAULT_INJECTION: forcing a failure. [ 413.522543][ T4310] name failslab, interval 1, probability 0, space 0, times 0 [ 413.525865][ T4310] CPU: 0 PID: 4310 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 413.528374][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 413.530825][ T4310] Call trace: [ 413.531639][ T4310] dump_backtrace+0x1c8/0x1f4 [ 413.532927][ T4310] show_stack+0x2c/0x3c [ 413.534079][ T4310] dump_stack_lvl+0xc0/0x104 [ 413.535297][ T4310] dump_stack+0x1c/0x4c [ 413.536412][ T4310] should_fail_ex+0x1bc/0x1e0 [ 413.537730][ T4310] __should_failslab+0x64/0x78 [ 413.538984][ T4310] should_failslab+0x10/0x28 [ 413.540183][ T4310] __kmem_cache_alloc_node+0x6c/0x348 [ 413.541710][ T4310] __kmalloc_node_track_caller+0x84/0xc0 [ 413.543243][ T4310] kstrdup_const+0x90/0xdc [ 413.544408][ T4310] __kernfs_new_node+0x5c/0x2e8 [ 413.545842][ T4310] kernfs_create_dir_ns+0xac/0x188 [ 413.547149][ T4310] sysfs_create_dir_ns+0x8c/0x168 [ 413.548527][ T4310] kobject_add_internal+0x314/0x64c [ 413.549968][ T4310] kobject_add+0xb8/0x130 [ 413.551200][ T4310] blk_mq_register_hctx+0x54/0x184 [ 413.552597][ T4310] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 413.554117][ T4310] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 413.555661][ T4310] nbd_start_device+0xc4/0x510 [ 413.557002][ T4310] nbd_ioctl+0x228/0x66c [ 413.558154][ T4310] blkdev_ioctl+0x218/0x664 [ 413.559341][ T4310] __arm64_sys_ioctl+0xd0/0x148 [ 413.560781][ T4310] invoke_syscall+0x64/0x178 [ 413.561985][ T4310] el0_svc_common+0xb8/0x174 [ 413.563288][ T4310] do_el0_svc+0x48/0x174 [ 413.564425][ T4310] el0_svc+0x34/0x110 [ 413.565462][ T4310] el0t_64_sync_handler+0x84/0xf0 [ 413.566724][ T4310] el0t_64_sync+0x18c/0x190 [ 413.568040][ T4310] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 413.620648][ T4310] block nbd0: shutting down sockets [ 413.742265][ T4313] ------------[ cut here ]------------ [ 413.743774][ T4313] kernfs: can not remove 'nr_tags', no directory [ 413.745493][ T4313] WARNING: CPU: 0 PID: 4313 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.747868][ T4313] Modules linked in: [ 413.748838][ T4313] CPU: 0 PID: 4313 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 413.751434][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 413.754219][ T4313] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.756409][ T4313] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.757956][ T4313] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.759529][ T4313] sp : ffff80000de9bac0 [ 413.760655][ T4313] x29: ffff80000de9bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 413.762797][ T4313] x26: ffff0000c52f3d08 x25: ffff80000de9bbe8 x24: ffff0000c8120700 [ 413.764997][ T4313] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 413.767053][ T4313] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.769212][ T4313] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 413.771416][ T4313] x14: 0000000000000000 x13: 205d333133345420 x12: ffff80000d1a5000 [ 413.773551][ T4313] x11: 0000000000ff0100 x10: 0000000000000000 x9 : fcb13e85dd4fb900 [ 413.775627][ T4313] x8 : fcb13e85dd4fb900 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 413.777821][ T4313] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.779987][ T4313] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.782015][ T4313] Call trace: [ 413.782916][ T4313] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.784350][ T4313] sysfs_remove_group+0x68/0x160 [ 413.785597][ T4313] sysfs_remove_groups+0x3c/0x78 [ 413.786970][ T4313] __kobject_del+0x34/0x134 [ 413.788104][ T4313] kobject_del+0x2c/0x4c [ 413.789213][ T4313] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.790790][ T4313] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.792341][ T4313] nbd_start_device+0xc4/0x510 [ 413.793558][ T4313] nbd_ioctl+0x228/0x66c [ 413.794710][ T4313] blkdev_ioctl+0x218/0x664 [ 413.795895][ T4313] __arm64_sys_ioctl+0xd0/0x148 [ 413.797162][ T4313] invoke_syscall+0x64/0x178 [ 413.798410][ T4313] el0_svc_common+0xb8/0x174 [ 413.799670][ T4313] do_el0_svc+0x48/0x174 [ 413.800823][ T4313] el0_svc+0x34/0x110 [ 413.801884][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 413.803164][ T4313] el0t_64_sync+0x18c/0x190 [ 413.804277][ T4313] ---[ end trace 0000000000000000 ]--- [ 413.805763][ T4313] ------------[ cut here ]------------ [ 413.807175][ T4313] kernfs: can not remove 'nr_reserved_tags', no directory [ 413.809026][ T4313] WARNING: CPU: 0 PID: 4313 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.811512][ T4313] Modules linked in: [ 413.812526][ T4313] CPU: 0 PID: 4313 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 413.815211][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 413.817842][ T4313] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.819986][ T4313] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.821527][ T4313] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.823047][ T4313] sp : ffff80000de9bac0 [ 413.824192][ T4313] x29: ffff80000de9bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 413.826314][ T4313] x26: ffff0000c52f3d08 x25: ffff80000de9bbe8 x24: ffff0000c8120700 [ 413.828405][ T4313] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 413.830508][ T4313] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.832621][ T4313] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 413.834781][ T4313] x14: 0000000000000000 x13: 205d333133345420 x12: ffff80000d1a5000 [ 413.836923][ T4313] x11: 0000000000ff0100 x10: 0000000000000000 x9 : fcb13e85dd4fb900 [ 413.839093][ T4313] x8 : fcb13e85dd4fb900 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 413.841268][ T4313] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.843412][ T4313] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.845631][ T4313] Call trace: [ 413.846457][ T4313] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.847924][ T4313] sysfs_remove_group+0x68/0x160 [ 413.849242][ T4313] sysfs_remove_groups+0x3c/0x78 [ 413.850462][ T4313] __kobject_del+0x34/0x134 [ 413.851685][ T4313] kobject_del+0x2c/0x4c [ 413.852764][ T4313] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.854358][ T4313] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.855898][ T4313] nbd_start_device+0xc4/0x510 [ 413.857260][ T4313] nbd_ioctl+0x228/0x66c [ 413.858350][ T4313] blkdev_ioctl+0x218/0x664 [ 413.859566][ T4313] __arm64_sys_ioctl+0xd0/0x148 [ 413.860866][ T4313] invoke_syscall+0x64/0x178 [ 413.862262][ T4313] el0_svc_common+0xb8/0x174 [ 413.863574][ T4313] do_el0_svc+0x48/0x174 [ 413.864778][ T4313] el0_svc+0x34/0x110 [ 413.865860][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 413.867170][ T4313] el0t_64_sync+0x18c/0x190 [ 413.868342][ T4313] ---[ end trace 0000000000000000 ]--- [ 413.869851][ T4313] ------------[ cut here ]------------ [ 413.871368][ T4313] kernfs: can not remove 'cpu_list', no directory [ 413.873254][ T4313] WARNING: CPU: 0 PID: 4313 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.875742][ T4313] Modules linked in: [ 413.876732][ T4313] CPU: 0 PID: 4313 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 413.879221][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 413.881791][ T4313] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.883832][ T4313] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.885297][ T4313] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.886784][ T4313] sp : ffff80000de9bac0 [ 413.887817][ T4313] x29: ffff80000de9bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 413.889856][ T4313] x26: ffff0000c52f3d08 x25: ffff80000de9bbe8 x24: ffff0000c8120700 [ 413.891891][ T4313] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 413.893993][ T4313] x20: 00000000fffffffe x19: 0000000000000000 x18: ffff80000ae6d2cc [ 413.896068][ T4313] x17: 0000000000000000 x16: 000000000000ba7e x15: 000000000000b67e [ 413.898171][ T4313] x14: 0000000002aa9bea x13: 00000000000000cf x12: ffff80000d1a5000 [ 413.900293][ T4313] x11: 0000000000ff0100 x10: 0000000000000000 x9 : fcb13e85dd4fb900 [ 413.902313][ T4313] x8 : fcb13e85dd4fb900 x7 : 0000000000000000 x6 : ffff800008132680 [ 413.904330][ T4313] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.906374][ T4313] x2 : 0000000000000000 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 413.908342][ T4313] Call trace: [ 413.909150][ T4313] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.910515][ T4313] sysfs_remove_group+0x68/0x160 [ 413.911730][ T4313] sysfs_remove_groups+0x3c/0x78 [ 413.912944][ T4313] __kobject_del+0x34/0x134 [ 413.914051][ T4313] kobject_del+0x2c/0x4c [ 413.915082][ T4313] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.916606][ T4313] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.918124][ T4313] nbd_start_device+0xc4/0x510 [ 413.919365][ T4313] nbd_ioctl+0x228/0x66c [ 413.920453][ T4313] blkdev_ioctl+0x218/0x664 [ 413.921632][ T4313] __arm64_sys_ioctl+0xd0/0x148 [ 413.922937][ T4313] invoke_syscall+0x64/0x178 [ 413.924142][ T4313] el0_svc_common+0xb8/0x174 [ 413.925372][ T4313] do_el0_svc+0x48/0x174 [ 413.926519][ T4313] el0_svc+0x34/0x110 [ 413.927569][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 413.928903][ T4313] el0t_64_sync+0x18c/0x190 [ 413.930115][ T4313] ---[ end trace 0000000000000000 ]--- [ 413.933912][ T4313] block nbd0: shutting down sockets [ 414.040958][ T4315] FAULT_INJECTION: forcing a failure. [ 414.040958][ T4315] name failslab, interval 1, probability 0, space 0, times 0 [ 414.044293][ T4315] CPU: 1 PID: 4315 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 414.046904][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 414.049549][ T4315] Call trace: [ 414.050412][ T4315] dump_backtrace+0x1c8/0x1f4 [ 414.051642][ T4315] show_stack+0x2c/0x3c [ 414.052816][ T4315] dump_stack_lvl+0xc0/0x104 [ 414.054085][ T4315] dump_stack+0x1c/0x4c [ 414.055187][ T4315] should_fail_ex+0x1bc/0x1e0 [ 414.056440][ T4315] __should_failslab+0x64/0x78 [ 414.057813][ T4315] should_failslab+0x10/0x28 [ 414.058998][ T4315] slab_pre_alloc_hook+0x54/0x1f4 [ 414.060266][ T4315] kmem_cache_alloc_lru+0x60/0x2ac [ 414.061632][ T4315] __d_alloc+0x3c/0x290 [ 414.062746][ T4315] d_alloc_parallel+0x58/0x914 [ 414.063986][ T4315] __lookup_slow+0x8c/0x204 [ 414.065219][ T4315] lookup_one_len+0xd4/0x188 [ 414.066506][ T4315] start_creating+0x124/0x1f4 [ 414.067733][ T4315] debugfs_create_dir+0x2c/0x1e0 [ 414.069084][ T4315] nbd_start_device+0x1b4/0x510 [ 414.070452][ T4315] nbd_ioctl+0x228/0x66c [ 414.071600][ T4315] blkdev_ioctl+0x218/0x664 [ 414.072765][ T4315] __arm64_sys_ioctl+0xd0/0x148 [ 414.074119][ T4315] invoke_syscall+0x64/0x178 [ 414.075371][ T4315] el0_svc_common+0xb8/0x174 [ 414.076574][ T4315] do_el0_svc+0x48/0x174 [ 414.077674][ T4315] el0_svc+0x34/0x110 [ 414.078760][ T4315] el0t_64_sync_handler+0x84/0xf0 [ 414.080012][ T4315] el0t_64_sync+0x18c/0x190 [ 414.081271][ T4315] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.199533][ T4315] block nbd0: shutting down sockets [ 414.280929][ T4317] FAULT_INJECTION: forcing a failure. [ 414.280929][ T4317] name failslab, interval 1, probability 0, space 0, times 0 [ 414.284351][ T4317] CPU: 0 PID: 4317 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 414.286852][ T4317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 414.289514][ T4317] Call trace: [ 414.290337][ T4317] dump_backtrace+0x1c8/0x1f4 [ 414.291595][ T4317] show_stack+0x2c/0x3c [ 414.292717][ T4317] dump_stack_lvl+0xc0/0x104 [ 414.293962][ T4317] dump_stack+0x1c/0x4c [ 414.295105][ T4317] should_fail_ex+0x1bc/0x1e0 [ 414.296427][ T4317] __should_failslab+0x64/0x78 [ 414.297656][ T4317] should_failslab+0x10/0x28 [ 414.298934][ T4317] slab_pre_alloc_hook+0x54/0x1f4 [ 414.300332][ T4317] kmem_cache_alloc_lru+0x60/0x2ac [ 414.301736][ T4317] __d_alloc+0x3c/0x290 [ 414.302920][ T4317] d_alloc_parallel+0x58/0x914 [ 414.304242][ T4317] __lookup_slow+0x8c/0x204 [ 414.305498][ T4317] lookup_one_len+0xd4/0x188 [ 414.306699][ T4317] start_creating+0x124/0x1f4 [ 414.308031][ T4317] debugfs_create_dir+0x2c/0x1e0 [ 414.309310][ T4317] nbd_start_device+0x1b4/0x510 [ 414.310604][ T4317] nbd_ioctl+0x228/0x66c [ 414.311757][ T4317] blkdev_ioctl+0x218/0x664 [ 414.313068][ T4317] __arm64_sys_ioctl+0xd0/0x148 [ 414.314354][ T4317] invoke_syscall+0x64/0x178 [ 414.315595][ T4317] el0_svc_common+0xb8/0x174 [ 414.316843][ T4317] do_el0_svc+0x48/0x174 [ 414.318046][ T4317] el0_svc+0x34/0x110 [ 414.319150][ T4317] el0t_64_sync_handler+0x84/0xf0 [ 414.320534][ T4317] el0t_64_sync+0x18c/0x190 [ 414.321751][ T4317] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.439170][ T4317] block nbd0: shutting down sockets [ 414.521001][ T4319] FAULT_INJECTION: forcing a failure. [ 414.521001][ T4319] name failslab, interval 1, probability 0, space 0, times 0 [ 414.524388][ T4319] CPU: 1 PID: 4319 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 414.527024][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 414.529543][ T4319] Call trace: [ 414.530310][ T4319] dump_backtrace+0x1c8/0x1f4 [ 414.531537][ T4319] show_stack+0x2c/0x3c [ 414.532642][ T4319] dump_stack_lvl+0xc0/0x104 [ 414.533826][ T4319] dump_stack+0x1c/0x4c [ 414.534930][ T4319] should_fail_ex+0x1bc/0x1e0 [ 414.536207][ T4319] __should_failslab+0x64/0x78 [ 414.537554][ T4319] should_failslab+0x10/0x28 [ 414.538785][ T4319] slab_pre_alloc_hook+0x54/0x1f4 [ 414.540087][ T4319] kmem_cache_alloc_lru+0x60/0x2ac [ 414.541458][ T4319] __d_alloc+0x3c/0x290 [ 414.542658][ T4319] d_alloc_parallel+0x58/0x914 [ 414.544031][ T4319] __lookup_slow+0x8c/0x204 [ 414.545282][ T4319] lookup_one_len+0xd4/0x188 [ 414.546552][ T4319] start_creating+0x124/0x1f4 [ 414.547917][ T4319] debugfs_create_dir+0x2c/0x1e0 [ 414.549263][ T4319] nbd_start_device+0x1b4/0x510 [ 414.550570][ T4319] nbd_ioctl+0x228/0x66c [ 414.551757][ T4319] blkdev_ioctl+0x218/0x664 [ 414.553049][ T4319] __arm64_sys_ioctl+0xd0/0x148 [ 414.554397][ T4319] invoke_syscall+0x64/0x178 [ 414.555714][ T4319] el0_svc_common+0xb8/0x174 [ 414.557009][ T4319] do_el0_svc+0x48/0x174 [ 414.558225][ T4319] el0_svc+0x34/0x110 [ 414.559322][ T4319] el0t_64_sync_handler+0x84/0xf0 [ 414.560723][ T4319] el0t_64_sync+0x18c/0x190 [ 414.562053][ T4319] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.680649][ T4319] block nbd0: shutting down sockets [ 414.760940][ T4321] FAULT_INJECTION: forcing a failure. [ 414.760940][ T4321] name failslab, interval 1, probability 0, space 0, times 0 [ 414.764364][ T4321] CPU: 0 PID: 4321 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 414.766867][ T4321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 414.769348][ T4321] Call trace: [ 414.770140][ T4321] dump_backtrace+0x1c8/0x1f4 [ 414.771350][ T4321] show_stack+0x2c/0x3c [ 414.772437][ T4321] dump_stack_lvl+0xc0/0x104 [ 414.773710][ T4321] dump_stack+0x1c/0x4c [ 414.774779][ T4321] should_fail_ex+0x1bc/0x1e0 [ 414.775981][ T4321] __should_failslab+0x64/0x78 [ 414.777329][ T4321] should_failslab+0x10/0x28 [ 414.778616][ T4321] slab_pre_alloc_hook+0x54/0x1f4 [ 414.779976][ T4321] kmem_cache_alloc_lru+0x60/0x2ac [ 414.781340][ T4321] __d_alloc+0x3c/0x290 [ 414.782439][ T4321] d_alloc_parallel+0x58/0x914 [ 414.783764][ T4321] __lookup_slow+0x8c/0x204 [ 414.785011][ T4321] lookup_one_len+0xd4/0x188 [ 414.786280][ T4321] start_creating+0x124/0x1f4 [ 414.787588][ T4321] debugfs_create_dir+0x2c/0x1e0 [ 414.788907][ T4321] nbd_start_device+0x1b4/0x510 [ 414.790203][ T4321] nbd_ioctl+0x228/0x66c [ 414.791313][ T4321] blkdev_ioctl+0x218/0x664 [ 414.792477][ T4321] __arm64_sys_ioctl+0xd0/0x148 [ 414.793798][ T4321] invoke_syscall+0x64/0x178 [ 414.794959][ T4321] el0_svc_common+0xb8/0x174 [ 414.796149][ T4321] do_el0_svc+0x48/0x174 [ 414.797314][ T4321] el0_svc+0x34/0x110 [ 414.798333][ T4321] el0t_64_sync_handler+0x84/0xf0 [ 414.799687][ T4321] el0t_64_sync+0x18c/0x190 [ 414.800912][ T4321] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.918803][ T4321] block nbd0: shutting down sockets [ 415.010968][ T4323] FAULT_INJECTION: forcing a failure. [ 415.010968][ T4323] name failslab, interval 1, probability 0, space 0, times 0 [ 415.014282][ T4323] CPU: 1 PID: 4323 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 415.016736][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 415.019156][ T4323] Call trace: [ 415.019915][ T4323] dump_backtrace+0x1c8/0x1f4 [ 415.021155][ T4323] show_stack+0x2c/0x3c [ 415.022195][ T4323] dump_stack_lvl+0xc0/0x104 [ 415.023369][ T4323] dump_stack+0x1c/0x4c [ 415.024478][ T4323] should_fail_ex+0x1bc/0x1e0 [ 415.025707][ T4323] __should_failslab+0x64/0x78 [ 415.027091][ T4323] should_failslab+0x10/0x28 [ 415.028332][ T4323] slab_pre_alloc_hook+0x54/0x1f4 [ 415.029646][ T4323] kmem_cache_alloc_lru+0x60/0x2ac [ 415.031002][ T4323] __d_alloc+0x3c/0x290 [ 415.032120][ T4323] d_alloc_parallel+0x58/0x914 [ 415.033415][ T4323] __lookup_slow+0x8c/0x204 [ 415.034579][ T4323] lookup_one_len+0xd4/0x188 [ 415.035758][ T4323] start_creating+0x124/0x1f4 [ 415.037032][ T4323] debugfs_create_dir+0x2c/0x1e0 [ 415.038331][ T4323] nbd_start_device+0x1b4/0x510 [ 415.039530][ T4323] nbd_ioctl+0x228/0x66c [ 415.040621][ T4323] blkdev_ioctl+0x218/0x664 [ 415.041803][ T4323] __arm64_sys_ioctl+0xd0/0x148 [ 415.043108][ T4323] invoke_syscall+0x64/0x178 [ 415.044388][ T4323] el0_svc_common+0xb8/0x174 [ 415.045639][ T4323] do_el0_svc+0x48/0x174 [ 415.046723][ T4323] el0_svc+0x34/0x110 [ 415.047799][ T4323] el0t_64_sync_handler+0x84/0xf0 [ 415.049074][ T4323] el0t_64_sync+0x18c/0x190 [ 415.050523][ T4323] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.168946][ T4323] block nbd0: shutting down sockets [ 415.250950][ T4325] FAULT_INJECTION: forcing a failure. [ 415.250950][ T4325] name failslab, interval 1, probability 0, space 0, times 0 [ 415.254188][ T4325] CPU: 0 PID: 4325 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 415.256650][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 415.259130][ T4325] Call trace: [ 415.259932][ T4325] dump_backtrace+0x1c8/0x1f4 [ 415.261233][ T4325] show_stack+0x2c/0x3c [ 415.262337][ T4325] dump_stack_lvl+0xc0/0x104 [ 415.263545][ T4325] dump_stack+0x1c/0x4c [ 415.264692][ T4325] should_fail_ex+0x1bc/0x1e0 [ 415.265960][ T4325] __should_failslab+0x64/0x78 [ 415.267218][ T4325] should_failslab+0x10/0x28 [ 415.268449][ T4325] slab_pre_alloc_hook+0x54/0x1f4 [ 415.269808][ T4325] kmem_cache_alloc_lru+0x60/0x2ac [ 415.271164][ T4325] __d_alloc+0x3c/0x290 [ 415.272240][ T4325] d_alloc_parallel+0x58/0x914 [ 415.273556][ T4325] __lookup_slow+0x8c/0x204 [ 415.274664][ T4325] lookup_one_len+0xd4/0x188 [ 415.275876][ T4325] start_creating+0x124/0x1f4 [ 415.277114][ T4325] debugfs_create_dir+0x2c/0x1e0 [ 415.278386][ T4325] nbd_start_device+0x1b4/0x510 [ 415.279650][ T4325] nbd_ioctl+0x228/0x66c [ 415.280740][ T4325] blkdev_ioctl+0x218/0x664 [ 415.281943][ T4325] __arm64_sys_ioctl+0xd0/0x148 [ 415.283246][ T4325] invoke_syscall+0x64/0x178 [ 415.284473][ T4325] el0_svc_common+0xb8/0x174 [ 415.285734][ T4325] do_el0_svc+0x48/0x174 [ 415.286847][ T4325] el0_svc+0x34/0x110 [ 415.287904][ T4325] el0t_64_sync_handler+0x84/0xf0 [ 415.289279][ T4325] el0t_64_sync+0x18c/0x190 [ 415.290537][ T4325] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.408817][ T4325] block nbd0: shutting down sockets [ 415.490941][ T4327] FAULT_INJECTION: forcing a failure. [ 415.490941][ T4327] name failslab, interval 1, probability 0, space 0, times 0 [ 415.494230][ T4327] CPU: 0 PID: 4327 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 415.496748][ T4327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 415.499212][ T4327] Call trace: [ 415.499979][ T4327] dump_backtrace+0x1c8/0x1f4 [ 415.501140][ T4327] show_stack+0x2c/0x3c [ 415.502233][ T4327] dump_stack_lvl+0xc0/0x104 [ 415.503434][ T4327] dump_stack+0x1c/0x4c [ 415.504541][ T4327] should_fail_ex+0x1bc/0x1e0 [ 415.505786][ T4327] __should_failslab+0x64/0x78 [ 415.507033][ T4327] should_failslab+0x10/0x28 [ 415.508307][ T4327] slab_pre_alloc_hook+0x54/0x1f4 [ 415.509635][ T4327] kmem_cache_alloc_lru+0x60/0x2ac [ 415.510947][ T4327] __d_alloc+0x3c/0x290 [ 415.512083][ T4327] d_alloc_parallel+0x58/0x914 [ 415.513406][ T4327] __lookup_slow+0x8c/0x204 [ 415.514611][ T4327] lookup_one_len+0xd4/0x188 [ 415.515894][ T4327] start_creating+0x124/0x1f4 [ 415.517151][ T4327] debugfs_create_dir+0x2c/0x1e0 [ 415.518440][ T4327] nbd_start_device+0x1b4/0x510 [ 415.519743][ T4327] nbd_ioctl+0x228/0x66c [ 415.520873][ T4327] blkdev_ioctl+0x218/0x664 [ 415.522118][ T4327] __arm64_sys_ioctl+0xd0/0x148 [ 415.523438][ T4327] invoke_syscall+0x64/0x178 [ 415.524737][ T4327] el0_svc_common+0xb8/0x174 [ 415.525969][ T4327] do_el0_svc+0x48/0x174 [ 415.527254][ T4327] el0_svc+0x34/0x110 [ 415.528349][ T4327] el0t_64_sync_handler+0x84/0xf0 [ 415.529685][ T4327] el0t_64_sync+0x18c/0x190 [ 415.530953][ T4327] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.648957][ T4327] block nbd0: shutting down sockets [ 415.770720][ T4330] block nbd0: Device being setup by another task [ 415.812889][ T4329] FAULT_INJECTION: forcing a failure. [ 415.812889][ T4329] name failslab, interval 1, probability 0, space 0, times 0 [ 415.816167][ T4329] CPU: 1 PID: 4329 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 415.818555][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 415.821074][ T4329] Call trace: [ 415.821894][ T4329] dump_backtrace+0x1c8/0x1f4 [ 415.823104][ T4329] show_stack+0x2c/0x3c [ 415.824185][ T4329] dump_stack_lvl+0xc0/0x104 [ 415.825400][ T4329] dump_stack+0x1c/0x4c [ 415.826490][ T4329] should_fail_ex+0x1bc/0x1e0 [ 415.827689][ T4329] __should_failslab+0x64/0x78 [ 415.828905][ T4329] should_failslab+0x10/0x28 [ 415.830079][ T4329] __kmem_cache_alloc_node+0x6c/0x348 [ 415.831507][ T4329] __kmalloc_node_track_caller+0x84/0xc0 [ 415.832968][ T4329] kstrdup_const+0x90/0xdc [ 415.834114][ T4329] __kernfs_new_node+0x5c/0x2e8 [ 415.835364][ T4329] kernfs_create_dir_ns+0xac/0x188 [ 415.836692][ T4329] sysfs_create_dir_ns+0x8c/0x168 [ 415.837980][ T4329] kobject_add_internal+0x314/0x64c [ 415.839325][ T4329] kobject_add+0xb8/0x130 [ 415.840421][ T4329] blk_mq_register_hctx+0x54/0x184 [ 415.841683][ T4329] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 415.843102][ T4329] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 415.844565][ T4329] nbd_start_device+0xc4/0x510 [ 415.845775][ T4329] nbd_ioctl+0x228/0x66c [ 415.846843][ T4329] blkdev_ioctl+0x218/0x664 [ 415.848045][ T4329] __arm64_sys_ioctl+0xd0/0x148 [ 415.849284][ T4329] invoke_syscall+0x64/0x178 [ 415.850469][ T4329] el0_svc_common+0xb8/0x174 [ 415.851674][ T4329] do_el0_svc+0x48/0x174 [ 415.852757][ T4329] el0_svc+0x34/0x110 [ 415.853765][ T4329] el0t_64_sync_handler+0x84/0xf0 [ 415.855059][ T4329] el0t_64_sync+0x18c/0x190 [ 415.856243][ T4329] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 415.918150][ T4329] block nbd0: shutting down sockets [ 416.061993][ T4332] ------------[ cut here ]------------ [ 416.063403][ T4332] kernfs: can not remove 'nr_tags', no directory [ 416.065061][ T4332] WARNING: CPU: 0 PID: 4332 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.067453][ T4332] Modules linked in: [ 416.068466][ T4332] CPU: 0 PID: 4332 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.071035][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.073708][ T4332] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.075784][ T4332] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.077367][ T4332] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.078927][ T4332] sp : ffff80000de83ac0 [ 416.080015][ T4332] x29: ffff80000de83ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 416.082171][ T4332] x26: ffff0000c52f3d08 x25: ffff80000de83be8 x24: ffff0001ffbee000 [ 416.084310][ T4332] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 416.086425][ T4332] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.088611][ T4332] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 416.090721][ T4332] x14: 0000000000000000 x13: 205d323333345420 x12: ffff80000d1a5000 [ 416.092822][ T4332] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dffc59a31058d300 [ 416.094914][ T4332] x8 : dffc59a31058d300 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 416.097162][ T4332] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.099310][ T4332] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.101413][ T4332] Call trace: [ 416.102237][ T4332] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.103842][ T4332] sysfs_remove_group+0x68/0x160 [ 416.105180][ T4332] sysfs_remove_groups+0x3c/0x78 [ 416.106427][ T4332] __kobject_del+0x34/0x134 [ 416.107618][ T4332] kobject_del+0x2c/0x4c [ 416.108725][ T4332] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.110336][ T4332] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.112003][ T4332] nbd_start_device+0xc4/0x510 [ 416.113294][ T4332] nbd_ioctl+0x228/0x66c [ 416.114393][ T4332] blkdev_ioctl+0x218/0x664 [ 416.115625][ T4332] __arm64_sys_ioctl+0xd0/0x148 [ 416.116928][ T4332] invoke_syscall+0x64/0x178 [ 416.118141][ T4332] el0_svc_common+0xb8/0x174 [ 416.119344][ T4332] do_el0_svc+0x48/0x174 [ 416.120436][ T4332] el0_svc+0x34/0x110 [ 416.121498][ T4332] el0t_64_sync_handler+0x84/0xf0 [ 416.122863][ T4332] el0t_64_sync+0x18c/0x190 [ 416.124022][ T4332] ---[ end trace 0000000000000000 ]--- [ 416.125535][ T4332] ------------[ cut here ]------------ [ 416.126948][ T4332] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.128814][ T4332] WARNING: CPU: 0 PID: 4332 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.131300][ T4332] Modules linked in: [ 416.132298][ T4332] CPU: 0 PID: 4332 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.134883][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.137562][ T4332] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.139620][ T4332] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.141088][ T4332] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.142600][ T4332] sp : ffff80000de83ac0 [ 416.143693][ T4332] x29: ffff80000de83ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 416.145739][ T4332] x26: ffff0000c52f3d08 x25: ffff80000de83be8 x24: ffff0001ffbee000 [ 416.147817][ T4332] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 416.149966][ T4332] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.152069][ T4332] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 416.154204][ T4332] x14: 0000000000000000 x13: 205d323333345420 x12: ffff80000d1a5000 [ 416.156277][ T4332] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dffc59a31058d300 [ 416.158480][ T4332] x8 : dffc59a31058d300 x7 : 0000000000000000 x6 : ffff80000ae304a0 [ 416.160570][ T4332] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dce68 [ 416.162713][ T4332] x2 : ffff0001fe9dce68 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 416.164855][ T4332] Call trace: [ 416.165693][ T4332] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.167254][ T4332] sysfs_remove_group+0x68/0x160 [ 416.168553][ T4332] sysfs_remove_groups+0x3c/0x78 [ 416.169835][ T4332] __kobject_del+0x34/0x134 [ 416.171051][ T4332] kobject_del+0x2c/0x4c [ 416.172230][ T4332] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.173708][ T4332] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.175253][ T4332] nbd_start_device+0xc4/0x510 [ 416.176547][ T4332] nbd_ioctl+0x228/0x66c [ 416.177683][ T4332] blkdev_ioctl+0x218/0x664 [ 416.178932][ T4332] __arm64_sys_ioctl+0xd0/0x148 [ 416.180245][ T4332] invoke_syscall+0x64/0x178 [ 416.181449][ T4332] el0_svc_common+0xb8/0x174 [ 416.182678][ T4332] do_el0_svc+0x48/0x174 [ 416.183818][ T4332] el0_svc+0x34/0x110 [ 416.184949][ T4332] el0t_64_sync_handler+0x84/0xf0 [ 416.186272][ T4332] el0t_64_sync+0x18c/0x190 [ 416.187471][ T4332] ---[ end trace 0000000000000000 ]--- [ 416.188957][ T4332] ------------[ cut here ]------------ [ 416.190383][ T4332] kernfs: can not remove 'cpu_list', no directory [ 416.192385][ T4332] WARNING: CPU: 0 PID: 4332 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.194781][ T4332] Modules linked in: [ 416.195792][ T4332] CPU: 0 PID: 4332 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.198411][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.201060][ T4332] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.203084][ T4332] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.204710][ T4332] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.206322][ T4332] sp : ffff80000de83ac0 [ 416.207431][ T4332] x29: ffff80000de83ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 416.209553][ T4332] x26: ffff0000c52f3d08 x25: ffff80000de83be8 x24: ffff0001ffbee000 [ 416.211624][ T4332] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 416.213766][ T4332] x20: 00000000fffffffe x19: 0000000000000000 x18: ffff80000ae6d2cc [ 416.215839][ T4332] x17: 0000000000000000 x16: 000000000000ba7e x15: 000000000000008a [ 416.217953][ T4332] x14: 0000000000000024 x13: 0000000000000050 x12: ffff80000d1a5000 [ 416.219979][ T4332] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dffc59a31058d300 [ 416.222085][ T4332] x8 : dffc59a31058d300 x7 : 0000000000000000 x6 : ffff800008132680 [ 416.224177][ T4332] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.226323][ T4332] x2 : 0000000000000000 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 416.228377][ T4332] Call trace: [ 416.229242][ T4332] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.230702][ T4332] sysfs_remove_group+0x68/0x160 [ 416.231957][ T4332] sysfs_remove_groups+0x3c/0x78 [ 416.233344][ T4332] __kobject_del+0x34/0x134 [ 416.234533][ T4332] kobject_del+0x2c/0x4c [ 416.235576][ T4332] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.237044][ T4332] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.238535][ T4332] nbd_start_device+0xc4/0x510 [ 416.239753][ T4332] nbd_ioctl+0x228/0x66c [ 416.240822][ T4332] blkdev_ioctl+0x218/0x664 [ 416.241933][ T4332] __arm64_sys_ioctl+0xd0/0x148 [ 416.243175][ T4332] invoke_syscall+0x64/0x178 [ 416.244348][ T4332] el0_svc_common+0xb8/0x174 [ 416.245463][ T4332] do_el0_svc+0x48/0x174 [ 416.246552][ T4332] el0_svc+0x34/0x110 [ 416.247705][ T4332] el0t_64_sync_handler+0x84/0xf0 [ 416.249004][ T4332] el0t_64_sync+0x18c/0x190 [ 416.250147][ T4332] ---[ end trace 0000000000000000 ]--- [ 416.253951][ T4332] block nbd0: shutting down sockets [ 416.380741][ T4335] block nbd0: Device being setup by another task [ 416.432334][ T4334] FAULT_INJECTION: forcing a failure. [ 416.432334][ T4334] name failslab, interval 1, probability 0, space 0, times 0 [ 416.435644][ T4334] CPU: 1 PID: 4334 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.438112][ T4334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.440610][ T4334] Call trace: [ 416.441447][ T4334] dump_backtrace+0x1c8/0x1f4 [ 416.442678][ T4334] show_stack+0x2c/0x3c [ 416.443771][ T4334] dump_stack_lvl+0xc0/0x104 [ 416.445086][ T4334] dump_stack+0x1c/0x4c [ 416.446145][ T4334] should_fail_ex+0x1bc/0x1e0 [ 416.447380][ T4334] __should_failslab+0x64/0x78 [ 416.448638][ T4334] should_failslab+0x10/0x28 [ 416.449882][ T4334] __kmem_cache_alloc_node+0x6c/0x348 [ 416.451314][ T4334] __kmalloc_node_track_caller+0x84/0xc0 [ 416.452813][ T4334] kstrdup_const+0x90/0xdc [ 416.453935][ T4334] __kernfs_new_node+0x5c/0x2e8 [ 416.455237][ T4334] kernfs_create_dir_ns+0xac/0x188 [ 416.456553][ T4334] sysfs_create_dir_ns+0x8c/0x168 [ 416.457813][ T4334] kobject_add_internal+0x314/0x64c [ 416.459182][ T4334] kobject_add+0xb8/0x130 [ 416.460373][ T4334] blk_mq_register_hctx+0x54/0x184 [ 416.461698][ T4334] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 416.463182][ T4334] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 416.464646][ T4334] nbd_start_device+0xc4/0x510 [ 416.465906][ T4334] nbd_ioctl+0x228/0x66c [ 416.466983][ T4334] blkdev_ioctl+0x218/0x664 [ 416.468153][ T4334] __arm64_sys_ioctl+0xd0/0x148 [ 416.469427][ T4334] invoke_syscall+0x64/0x178 [ 416.470616][ T4334] el0_svc_common+0xb8/0x174 [ 416.471815][ T4334] do_el0_svc+0x48/0x174 [ 416.472945][ T4334] el0_svc+0x34/0x110 [ 416.474009][ T4334] el0t_64_sync_handler+0x84/0xf0 [ 416.475334][ T4334] el0t_64_sync+0x18c/0x190 [ 416.476611][ T4334] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 416.523439][ T4334] block nbd0: shutting down sockets [ 416.712279][ T4338] ------------[ cut here ]------------ [ 416.713717][ T4338] kernfs: can not remove 'nr_tags', no directory [ 416.715337][ T4338] WARNING: CPU: 1 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.717721][ T4338] Modules linked in: [ 416.718676][ T4338] CPU: 1 PID: 4338 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.721122][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.723660][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.725590][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.727031][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.728504][ T4338] sp : ffff80000def3ac0 [ 416.729542][ T4338] x29: ffff80000def3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 416.731581][ T4338] x26: ffff0000c52f3d08 x25: ffff80000def3be8 x24: ffff0001ffbf8000 [ 416.733643][ T4338] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 416.735673][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.737669][ T4338] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 416.739672][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1a5000 [ 416.741740][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 77a94dbe7122ee00 [ 416.743727][ T4338] x8 : 77a94dbe7122ee00 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 416.745787][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.747799][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.749765][ T4338] Call trace: [ 416.750610][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.751973][ T4338] sysfs_remove_group+0x68/0x160 [ 416.753249][ T4338] sysfs_remove_groups+0x3c/0x78 [ 416.754436][ T4338] __kobject_del+0x34/0x134 [ 416.755534][ T4338] kobject_del+0x2c/0x4c [ 416.756616][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.758116][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.759554][ T4338] nbd_start_device+0xc4/0x510 [ 416.760734][ T4338] nbd_ioctl+0x228/0x66c [ 416.761849][ T4338] blkdev_ioctl+0x218/0x664 [ 416.763083][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 416.764315][ T4338] invoke_syscall+0x64/0x178 [ 416.765464][ T4338] el0_svc_common+0xb8/0x174 [ 416.766634][ T4338] do_el0_svc+0x48/0x174 [ 416.767747][ T4338] el0_svc+0x34/0x110 [ 416.768756][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 416.770059][ T4338] el0t_64_sync+0x18c/0x190 [ 416.771274][ T4338] ---[ end trace 0000000000000000 ]--- [ 416.772768][ T4338] ------------[ cut here ]------------ [ 416.774210][ T4338] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.776092][ T4338] WARNING: CPU: 1 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.778566][ T4338] Modules linked in: [ 416.779564][ T4338] CPU: 1 PID: 4338 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.782209][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.784896][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.786926][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.788471][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.789925][ T4338] sp : ffff80000def3ac0 [ 416.791006][ T4338] x29: ffff80000def3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 416.793199][ T4338] x26: ffff0000c52f3d08 x25: ffff80000def3be8 x24: ffff0001ffbf8000 [ 416.795276][ T4338] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 416.797288][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.799320][ T4338] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 416.801398][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1a5000 [ 416.803447][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 77a94dbe7122ee00 [ 416.805573][ T4338] x8 : 77a94dbe7122ee00 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 416.807796][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.809912][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.812046][ T4338] Call trace: [ 416.812889][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.814283][ T4338] sysfs_remove_group+0x68/0x160 [ 416.815596][ T4338] sysfs_remove_groups+0x3c/0x78 [ 416.816834][ T4338] __kobject_del+0x34/0x134 [ 416.817987][ T4338] kobject_del+0x2c/0x4c [ 416.819053][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.820596][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.822127][ T4338] nbd_start_device+0xc4/0x510 [ 416.823544][ T4338] nbd_ioctl+0x228/0x66c [ 416.824758][ T4338] blkdev_ioctl+0x218/0x664 [ 416.825984][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 416.827208][ T4338] invoke_syscall+0x64/0x178 [ 416.828424][ T4338] el0_svc_common+0xb8/0x174 [ 416.829611][ T4338] do_el0_svc+0x48/0x174 [ 416.830664][ T4338] el0_svc+0x34/0x110 [ 416.831669][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 416.832963][ T4338] el0t_64_sync+0x18c/0x190 [ 416.834100][ T4338] ---[ end trace 0000000000000000 ]--- [ 416.835657][ T4338] ------------[ cut here ]------------ [ 416.837076][ T4338] kernfs: can not remove 'cpu_list', no directory [ 416.838710][ T4338] WARNING: CPU: 1 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.841142][ T4338] Modules linked in: [ 416.842147][ T4338] CPU: 1 PID: 4338 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 416.844661][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 416.847317][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.849422][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.850973][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.852448][ T4338] sp : ffff80000def3ac0 [ 416.853527][ T4338] x29: ffff80000def3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 416.855547][ T4338] x26: ffff0000c52f3d08 x25: ffff80000def3be8 x24: ffff0001ffbf8000 [ 416.857604][ T4338] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 416.859611][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.861645][ T4338] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 416.863745][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1a5000 [ 416.865924][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 77a94dbe7122ee00 [ 416.868067][ T4338] x8 : 77a94dbe7122ee00 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 416.870211][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.872359][ T4338] x2 : ffff0001fe9e9ba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.874518][ T4338] Call trace: [ 416.875445][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.876892][ T4338] sysfs_remove_group+0x68/0x160 [ 416.878135][ T4338] sysfs_remove_groups+0x3c/0x78 [ 416.879384][ T4338] __kobject_del+0x34/0x134 [ 416.880507][ T4338] kobject_del+0x2c/0x4c [ 416.881571][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.883069][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.884527][ T4338] nbd_start_device+0xc4/0x510 [ 416.885691][ T4338] nbd_ioctl+0x228/0x66c [ 416.886841][ T4338] blkdev_ioctl+0x218/0x664 [ 416.887957][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 416.889196][ T4338] invoke_syscall+0x64/0x178 [ 416.890362][ T4338] el0_svc_common+0xb8/0x174 [ 416.891545][ T4338] do_el0_svc+0x48/0x174 [ 416.892629][ T4338] el0_svc+0x34/0x110 [ 416.893692][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 416.894979][ T4338] el0t_64_sync+0x18c/0x190 [ 416.896107][ T4338] ---[ end trace 0000000000000000 ]--- [ 416.899846][ T4338] block nbd0: shutting down sockets [ 417.149673][ T4340] block nbd0: shutting down sockets [ 417.410232][ T4343] block nbd0: shutting down sockets [ 417.649176][ T4345] block nbd0: shutting down sockets [ 417.780731][ T4348] block nbd0: Device being setup by another task [ 417.822461][ T4347] FAULT_INJECTION: forcing a failure. [ 417.822461][ T4347] name failslab, interval 1, probability 0, space 0, times 0 [ 417.825826][ T4347] CPU: 0 PID: 4347 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 417.828316][ T4347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 417.830788][ T4347] Call trace: [ 417.831627][ T4347] dump_backtrace+0x1c8/0x1f4 [ 417.832937][ T4347] show_stack+0x2c/0x3c [ 417.834066][ T4347] dump_stack_lvl+0xc0/0x104 [ 417.835323][ T4347] dump_stack+0x1c/0x4c [ 417.836455][ T4347] should_fail_ex+0x1bc/0x1e0 [ 417.837680][ T4347] __should_failslab+0x64/0x78 [ 417.838917][ T4347] should_failslab+0x10/0x28 [ 417.840149][ T4347] __kmem_cache_alloc_node+0x6c/0x348 [ 417.841620][ T4347] __kmalloc_node_track_caller+0x84/0xc0 [ 417.843149][ T4347] kstrdup_const+0x90/0xdc [ 417.844304][ T4347] __kernfs_new_node+0x5c/0x2e8 [ 417.845646][ T4347] kernfs_create_dir_ns+0xac/0x188 [ 417.847052][ T4347] sysfs_create_dir_ns+0x8c/0x168 [ 417.848404][ T4347] kobject_add_internal+0x314/0x64c [ 417.849779][ T4347] kobject_add+0xb8/0x130 [ 417.850920][ T4347] blk_mq_register_hctx+0x54/0x184 [ 417.852338][ T4347] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.853810][ T4347] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.855308][ T4347] nbd_start_device+0xc4/0x510 [ 417.856567][ T4347] nbd_ioctl+0x228/0x66c [ 417.857645][ T4347] blkdev_ioctl+0x218/0x664 [ 417.858851][ T4347] __arm64_sys_ioctl+0xd0/0x148 [ 417.860188][ T4347] invoke_syscall+0x64/0x178 [ 417.861410][ T4347] el0_svc_common+0xb8/0x174 [ 417.862564][ T4347] do_el0_svc+0x48/0x174 [ 417.863683][ T4347] el0_svc+0x34/0x110 [ 417.864727][ T4347] el0t_64_sync_handler+0x84/0xf0 [ 417.866052][ T4347] el0t_64_sync+0x18c/0x190 [ 417.867316][ T4347] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 417.922993][ T4347] block nbd0: shutting down sockets [ 418.060745][ T4351] block nbd0: Device being setup by another task [ 418.062459][ T4350] FAULT_INJECTION: forcing a failure. [ 418.062459][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 418.065833][ T4350] CPU: 1 PID: 4350 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 418.068318][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 418.070960][ T4350] Call trace: [ 418.071844][ T4350] dump_backtrace+0x1c8/0x1f4 [ 418.073149][ T4350] show_stack+0x2c/0x3c [ 418.074273][ T4350] dump_stack_lvl+0xc0/0x104 [ 418.075526][ T4350] dump_stack+0x1c/0x4c [ 418.076575][ T4350] should_fail_ex+0x1bc/0x1e0 [ 418.077826][ T4350] __should_failslab+0x64/0x78 [ 418.079158][ T4350] should_failslab+0x10/0x28 [ 418.080399][ T4350] slab_pre_alloc_hook+0x54/0x1f4 [ 418.081712][ T4350] kmem_cache_alloc_lru+0x60/0x2ac [ 418.083066][ T4350] alloc_inode+0x7c/0x104 [ 418.084284][ T4350] new_inode+0x2c/0xc0 [ 418.085376][ T4350] debugfs_create_dir+0x98/0x1e0 [ 418.086760][ T4350] nbd_start_device+0x1b4/0x510 [ 418.088035][ T4350] nbd_ioctl+0x228/0x66c [ 418.089218][ T4350] blkdev_ioctl+0x218/0x664 [ 418.090415][ T4350] __arm64_sys_ioctl+0xd0/0x148 [ 418.091702][ T4350] invoke_syscall+0x64/0x178 [ 418.092976][ T4350] el0_svc_common+0xb8/0x174 [ 418.094212][ T4350] do_el0_svc+0x48/0x174 [ 418.095286][ T4350] el0_svc+0x34/0x110 [ 418.096313][ T4350] el0t_64_sync_handler+0x84/0xf0 [ 418.097688][ T4350] el0t_64_sync+0x18c/0x190 [ 418.098989][ T4350] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.101168][ T4350] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.193016][ T4350] block nbd0: shutting down sockets [ 418.340763][ T4354] block nbd0: Device being setup by another task [ 418.342613][ T4353] FAULT_INJECTION: forcing a failure. [ 418.342613][ T4353] name failslab, interval 1, probability 0, space 0, times 0 [ 418.345744][ T4353] CPU: 0 PID: 4353 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 418.348168][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 418.350668][ T4353] Call trace: [ 418.351519][ T4353] dump_backtrace+0x1c8/0x1f4 [ 418.352691][ T4353] show_stack+0x2c/0x3c [ 418.353745][ T4353] dump_stack_lvl+0xc0/0x104 [ 418.354983][ T4353] dump_stack+0x1c/0x4c [ 418.356155][ T4353] should_fail_ex+0x1bc/0x1e0 [ 418.357438][ T4353] __should_failslab+0x64/0x78 [ 418.358671][ T4353] should_failslab+0x10/0x28 [ 418.359871][ T4353] slab_pre_alloc_hook+0x54/0x1f4 [ 418.361127][ T4353] kmem_cache_alloc_lru+0x60/0x2ac [ 418.362412][ T4353] alloc_inode+0x7c/0x104 [ 418.363495][ T4353] new_inode+0x2c/0xc0 [ 418.364594][ T4353] debugfs_create_dir+0x98/0x1e0 [ 418.365902][ T4353] nbd_start_device+0x1b4/0x510 [ 418.367171][ T4353] nbd_ioctl+0x228/0x66c [ 418.368282][ T4353] blkdev_ioctl+0x218/0x664 [ 418.369434][ T4353] __arm64_sys_ioctl+0xd0/0x148 [ 418.370659][ T4353] invoke_syscall+0x64/0x178 [ 418.371786][ T4353] el0_svc_common+0xb8/0x174 [ 418.372982][ T4353] do_el0_svc+0x48/0x174 [ 418.374086][ T4353] el0_svc+0x34/0x110 [ 418.375132][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 418.376462][ T4353] el0t_64_sync+0x18c/0x190 [ 418.377752][ T4353] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.379683][ T4353] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.462204][ T4353] block nbd0: shutting down sockets [ 418.610747][ T4357] block nbd0: Device being setup by another task [ 418.612480][ T4356] FAULT_INJECTION: forcing a failure. [ 418.612480][ T4356] name failslab, interval 1, probability 0, space 0, times 0 [ 418.615914][ T4356] CPU: 0 PID: 4356 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 418.618521][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 418.621310][ T4356] Call trace: [ 418.622239][ T4356] dump_backtrace+0x1c8/0x1f4 [ 418.623663][ T4356] show_stack+0x2c/0x3c [ 418.624966][ T4356] dump_stack_lvl+0xc0/0x104 [ 418.626333][ T4356] dump_stack+0x1c/0x4c [ 418.627389][ T4356] should_fail_ex+0x1bc/0x1e0 [ 418.628641][ T4356] __should_failslab+0x64/0x78 [ 418.629995][ T4356] should_failslab+0x10/0x28 [ 418.631273][ T4356] slab_pre_alloc_hook+0x54/0x1f4 [ 418.632609][ T4356] kmem_cache_alloc_lru+0x60/0x2ac [ 418.633996][ T4356] alloc_inode+0x7c/0x104 [ 418.635193][ T4356] new_inode+0x2c/0xc0 [ 418.636242][ T4356] debugfs_create_dir+0x98/0x1e0 [ 418.637604][ T4356] nbd_start_device+0x1b4/0x510 [ 418.638893][ T4356] nbd_ioctl+0x228/0x66c [ 418.639967][ T4356] blkdev_ioctl+0x218/0x664 [ 418.641257][ T4356] __arm64_sys_ioctl+0xd0/0x148 [ 418.642544][ T4356] invoke_syscall+0x64/0x178 [ 418.643867][ T4356] el0_svc_common+0xb8/0x174 [ 418.645089][ T4356] do_el0_svc+0x48/0x174 [ 418.646225][ T4356] el0_svc+0x34/0x110 [ 418.647307][ T4356] el0t_64_sync_handler+0x84/0xf0 [ 418.648628][ T4356] el0t_64_sync+0x18c/0x190 [ 418.649873][ T4356] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.651908][ T4356] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.731649][ T4356] block nbd0: shutting down sockets [ 418.852903][ T4359] ------------[ cut here ]------------ [ 418.854429][ T4359] kernfs: can not remove 'nr_tags', no directory [ 418.856035][ T4359] WARNING: CPU: 0 PID: 4359 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.858536][ T4359] Modules linked in: [ 418.859484][ T4359] CPU: 0 PID: 4359 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 418.861986][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 418.864659][ T4359] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.866798][ T4359] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.868313][ T4359] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.869880][ T4359] sp : ffff80000dea3ac0 [ 418.870963][ T4359] x29: ffff80000dea3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 418.873125][ T4359] x26: ffff0000c52f3d08 x25: ffff80000dea3be8 x24: ffff0001ffa30000 [ 418.875436][ T4359] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 418.877655][ T4359] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.879780][ T4359] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 418.882088][ T4359] x14: 0000000000000000 x13: 205d393533345420 x12: ffff80000d1a5000 [ 418.884292][ T4359] x11: 0000000000ff0100 x10: 0000000000000000 x9 : d4afd6b2f7ba8900 [ 418.886477][ T4359] x8 : d4afd6b2f7ba8900 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 418.888701][ T4359] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.890903][ T4359] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.893111][ T4359] Call trace: [ 418.893922][ T4359] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.895486][ T4359] sysfs_remove_group+0x68/0x160 [ 418.896858][ T4359] sysfs_remove_groups+0x3c/0x78 [ 418.898190][ T4359] __kobject_del+0x34/0x134 [ 418.899400][ T4359] kobject_del+0x2c/0x4c [ 418.900512][ T4359] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.902143][ T4359] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.903673][ T4359] nbd_start_device+0xc4/0x510 [ 418.904893][ T4359] nbd_ioctl+0x228/0x66c [ 418.905997][ T4359] blkdev_ioctl+0x218/0x664 [ 418.907245][ T4359] __arm64_sys_ioctl+0xd0/0x148 [ 418.908452][ T4359] invoke_syscall+0x64/0x178 [ 418.909705][ T4359] el0_svc_common+0xb8/0x174 [ 418.910782][ T4359] do_el0_svc+0x48/0x174 [ 418.911815][ T4359] el0_svc+0x34/0x110 [ 418.912811][ T4359] el0t_64_sync_handler+0x84/0xf0 [ 418.914056][ T4359] el0t_64_sync+0x18c/0x190 [ 418.915182][ T4359] ---[ end trace 0000000000000000 ]--- [ 418.916693][ T4359] ------------[ cut here ]------------ [ 418.918134][ T4359] kernfs: can not remove 'nr_reserved_tags', no directory [ 418.919951][ T4359] WARNING: CPU: 0 PID: 4359 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.922491][ T4359] Modules linked in: [ 418.923488][ T4359] CPU: 0 PID: 4359 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 418.925955][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 418.928552][ T4359] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.930618][ T4359] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.932132][ T4359] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.933627][ T4359] sp : ffff80000dea3ac0 [ 418.934784][ T4359] x29: ffff80000dea3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 418.936922][ T4359] x26: ffff0000c52f3d08 x25: ffff80000dea3be8 x24: ffff0001ffa30000 [ 418.939142][ T4359] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 418.941261][ T4359] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.943293][ T4359] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 418.945447][ T4359] x14: 0000000000000000 x13: 205d393533345420 x12: ffff80000d1a5000 [ 418.947655][ T4359] x11: 0000000000ff0100 x10: 0000000000000000 x9 : d4afd6b2f7ba8900 [ 418.949798][ T4359] x8 : d4afd6b2f7ba8900 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 418.951875][ T4359] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.954147][ T4359] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.956250][ T4359] Call trace: [ 418.957211][ T4359] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.958620][ T4359] sysfs_remove_group+0x68/0x160 [ 418.959973][ T4359] sysfs_remove_groups+0x3c/0x78 [ 418.961262][ T4359] __kobject_del+0x34/0x134 [ 418.962503][ T4359] kobject_del+0x2c/0x4c [ 418.963605][ T4359] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.965204][ T4359] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.966703][ T4359] nbd_start_device+0xc4/0x510 [ 418.968033][ T4359] nbd_ioctl+0x228/0x66c [ 418.969210][ T4359] blkdev_ioctl+0x218/0x664 [ 418.970377][ T4359] __arm64_sys_ioctl+0xd0/0x148 [ 418.971665][ T4359] invoke_syscall+0x64/0x178 [ 418.972940][ T4359] el0_svc_common+0xb8/0x174 [ 418.974219][ T4359] do_el0_svc+0x48/0x174 [ 418.975373][ T4359] el0_svc+0x34/0x110 [ 418.976399][ T4359] el0t_64_sync_handler+0x84/0xf0 [ 418.977681][ T4359] el0t_64_sync+0x18c/0x190 [ 418.978873][ T4359] ---[ end trace 0000000000000000 ]--- [ 418.980420][ T4359] ------------[ cut here ]------------ [ 418.981951][ T4359] kernfs: can not remove 'cpu_list', no directory [ 418.983874][ T4359] WARNING: CPU: 0 PID: 4359 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.986610][ T4359] Modules linked in: [ 418.987710][ T4359] CPU: 0 PID: 4359 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 418.990323][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 418.992959][ T4359] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.995137][ T4359] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.996798][ T4359] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.998391][ T4359] sp : ffff80000dea3ac0 [ 418.999459][ T4359] x29: ffff80000dea3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 419.001605][ T4359] x26: ffff0000c52f3d08 x25: ffff80000dea3be8 x24: ffff0001ffa30000 [ 419.003688][ T4359] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 419.005918][ T4359] x20: 00000000fffffffe x19: 0000000000000000 x18: ffff80000ae6d2cc [ 419.008118][ T4359] x17: 0000000000000000 x16: 000000000000016c x15: 0000000000000218 [ 419.010273][ T4359] x14: 0000000002b4ea69 x13: 0000000000000384 x12: ffff80000d1a5000 [ 419.012477][ T4359] x11: 0000000000ff0100 x10: 0000000000000000 x9 : d4afd6b2f7ba8900 [ 419.014602][ T4359] x8 : d4afd6b2f7ba8900 x7 : 0000000000000000 x6 : ffff800008132680 [ 419.016666][ T4359] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.018838][ T4359] x2 : 0000000000000000 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 419.020933][ T4359] Call trace: [ 419.021783][ T4359] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.023298][ T4359] sysfs_remove_group+0x68/0x160 [ 419.024656][ T4359] sysfs_remove_groups+0x3c/0x78 [ 419.025946][ T4359] __kobject_del+0x34/0x134 [ 419.027192][ T4359] kobject_del+0x2c/0x4c [ 419.028324][ T4359] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.029976][ T4359] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.031557][ T4359] nbd_start_device+0xc4/0x510 [ 419.032889][ T4359] nbd_ioctl+0x228/0x66c [ 419.034035][ T4359] blkdev_ioctl+0x218/0x664 [ 419.035302][ T4359] __arm64_sys_ioctl+0xd0/0x148 [ 419.036669][ T4359] invoke_syscall+0x64/0x178 [ 419.037856][ T4359] el0_svc_common+0xb8/0x174 [ 419.039094][ T4359] do_el0_svc+0x48/0x174 [ 419.040241][ T4359] el0_svc+0x34/0x110 [ 419.041275][ T4359] el0t_64_sync_handler+0x84/0xf0 [ 419.042749][ T4359] el0t_64_sync+0x18c/0x190 [ 419.043903][ T4359] ---[ end trace 0000000000000000 ]--- [ 419.047593][ T4359] block nbd0: shutting down sockets [ 419.140940][ T4361] FAULT_INJECTION: forcing a failure. [ 419.140940][ T4361] name failslab, interval 1, probability 0, space 0, times 0 [ 419.144165][ T4361] CPU: 1 PID: 4361 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 419.146585][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 419.149052][ T4361] Call trace: [ 419.149815][ T4361] dump_backtrace+0x1c8/0x1f4 [ 419.151064][ T4361] show_stack+0x2c/0x3c [ 419.152239][ T4361] dump_stack_lvl+0xc0/0x104 [ 419.153469][ T4361] dump_stack+0x1c/0x4c [ 419.154604][ T4361] should_fail_ex+0x1bc/0x1e0 [ 419.155853][ T4361] __should_failslab+0x64/0x78 [ 419.157141][ T4361] should_failslab+0x10/0x28 [ 419.158363][ T4361] slab_pre_alloc_hook+0x54/0x1f4 [ 419.159693][ T4361] kmem_cache_alloc_lru+0x60/0x2ac [ 419.161118][ T4361] alloc_inode+0x7c/0x104 [ 419.162208][ T4361] new_inode+0x2c/0xc0 [ 419.163319][ T4361] debugfs_create_dir+0x98/0x1e0 [ 419.164687][ T4361] nbd_start_device+0x1b4/0x510 [ 419.165991][ T4361] nbd_ioctl+0x228/0x66c [ 419.167177][ T4361] blkdev_ioctl+0x218/0x664 [ 419.168347][ T4361] __arm64_sys_ioctl+0xd0/0x148 [ 419.169668][ T4361] invoke_syscall+0x64/0x178 [ 419.170854][ T4361] el0_svc_common+0xb8/0x174 [ 419.172098][ T4361] do_el0_svc+0x48/0x174 [ 419.173263][ T4361] el0_svc+0x34/0x110 [ 419.174311][ T4361] el0t_64_sync_handler+0x84/0xf0 [ 419.175659][ T4361] el0t_64_sync+0x18c/0x190 [ 419.176955][ T4361] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.178947][ T4361] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.299386][ T4361] block nbd0: shutting down sockets [ 419.410712][ T4364] block nbd0: Device being setup by another task [ 419.453121][ T4363] FAULT_INJECTION: forcing a failure. [ 419.453121][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 419.456490][ T4363] CPU: 1 PID: 4363 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 419.458991][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 419.461569][ T4363] Call trace: [ 419.462416][ T4363] dump_backtrace+0x1c8/0x1f4 [ 419.463682][ T4363] show_stack+0x2c/0x3c [ 419.464809][ T4363] dump_stack_lvl+0xc0/0x104 [ 419.466006][ T4363] dump_stack+0x1c/0x4c [ 419.467101][ T4363] should_fail_ex+0x1bc/0x1e0 [ 419.468376][ T4363] __should_failslab+0x64/0x78 [ 419.469624][ T4363] should_failslab+0x10/0x28 [ 419.470815][ T4363] __kmem_cache_alloc_node+0x6c/0x348 [ 419.472283][ T4363] __kmalloc_node_track_caller+0x84/0xc0 [ 419.473844][ T4363] kstrdup_const+0x90/0xdc [ 419.475001][ T4363] __kernfs_new_node+0x5c/0x2e8 [ 419.476350][ T4363] kernfs_create_dir_ns+0xac/0x188 [ 419.477834][ T4363] sysfs_create_dir_ns+0x8c/0x168 [ 419.479213][ T4363] kobject_add_internal+0x314/0x64c [ 419.480504][ T4363] kobject_add+0xb8/0x130 [ 419.481593][ T4363] blk_mq_register_hctx+0x54/0x184 [ 419.482983][ T4363] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 419.484508][ T4363] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 419.486013][ T4363] nbd_start_device+0xc4/0x510 [ 419.487364][ T4363] nbd_ioctl+0x228/0x66c [ 419.488506][ T4363] blkdev_ioctl+0x218/0x664 [ 419.489711][ T4363] __arm64_sys_ioctl+0xd0/0x148 [ 419.491050][ T4363] invoke_syscall+0x64/0x178 [ 419.492253][ T4363] el0_svc_common+0xb8/0x174 [ 419.493494][ T4363] do_el0_svc+0x48/0x174 [ 419.494646][ T4363] el0_svc+0x34/0x110 [ 419.495698][ T4363] el0t_64_sync_handler+0x84/0xf0 [ 419.497059][ T4363] el0t_64_sync+0x18c/0x190 [ 419.498468][ T4363] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 419.605841][ T4363] block nbd0: shutting down sockets [ 419.782397][ T4366] ------------[ cut here ]------------ [ 419.783900][ T4366] kernfs: can not remove 'nr_tags', no directory [ 419.785596][ T4366] WARNING: CPU: 0 PID: 4366 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.788030][ T4366] Modules linked in: [ 419.788989][ T4366] CPU: 0 PID: 4366 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 419.791537][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 419.794306][ T4366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.796505][ T4366] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.798058][ T4366] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.799600][ T4366] sp : ffff80000de8bac0 [ 419.800660][ T4366] x29: ffff80000de8bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 419.802803][ T4366] x26: ffff0000c52f3d08 x25: ffff80000de8bbe8 x24: ffff0001ffa42f80 [ 419.804958][ T4366] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 419.807102][ T4366] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.809257][ T4366] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 419.811395][ T4366] x14: 0000000000000000 x13: 205d363633345420 x12: ffff80000d1a5000 [ 419.813587][ T4366] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 71848534daafc400 [ 419.815695][ T4366] x8 : 71848534daafc400 x7 : 0000000000000000 x6 : ffff80000ae304a0 [ 419.817890][ T4366] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dce68 [ 419.820090][ T4366] x2 : ffff0001fe9dce68 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 419.822261][ T4366] Call trace: [ 419.823161][ T4366] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.824637][ T4366] sysfs_remove_group+0x68/0x160 [ 419.825962][ T4366] sysfs_remove_groups+0x3c/0x78 [ 419.827286][ T4366] __kobject_del+0x34/0x134 [ 419.828526][ T4366] kobject_del+0x2c/0x4c [ 419.829727][ T4366] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.831273][ T4366] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.832748][ T4366] nbd_start_device+0xc4/0x510 [ 419.833991][ T4366] nbd_ioctl+0x228/0x66c [ 419.835145][ T4366] blkdev_ioctl+0x218/0x664 [ 419.836306][ T4366] __arm64_sys_ioctl+0xd0/0x148 [ 419.837607][ T4366] invoke_syscall+0x64/0x178 [ 419.838792][ T4366] el0_svc_common+0xb8/0x174 [ 419.839967][ T4366] do_el0_svc+0x48/0x174 [ 419.841080][ T4366] el0_svc+0x34/0x110 [ 419.842123][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 419.843461][ T4366] el0t_64_sync+0x18c/0x190 [ 419.844671][ T4366] ---[ end trace 0000000000000000 ]--- [ 419.846195][ T4366] ------------[ cut here ]------------ [ 419.847638][ T4366] kernfs: can not remove 'nr_reserved_tags', no directory [ 419.849551][ T4366] WARNING: CPU: 0 PID: 4366 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.852185][ T4366] Modules linked in: [ 419.853156][ T4366] CPU: 0 PID: 4366 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 419.855785][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 419.858469][ T4366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.860437][ T4366] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.861986][ T4366] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.863541][ T4366] sp : ffff80000de8bac0 [ 419.864576][ T4366] x29: ffff80000de8bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 419.866705][ T4366] x26: ffff0000c52f3d08 x25: ffff80000de8bbe8 x24: ffff0001ffa42f80 [ 419.868898][ T4366] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 419.871076][ T4366] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.873277][ T4366] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 419.875404][ T4366] x14: 0000000000000000 x13: 205d363633345420 x12: ffff80000d1a5000 [ 419.877534][ T4366] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 71848534daafc400 [ 419.879738][ T4366] x8 : 71848534daafc400 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 419.881931][ T4366] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.884138][ T4366] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.886337][ T4366] Call trace: [ 419.887187][ T4366] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.888626][ T4366] sysfs_remove_group+0x68/0x160 [ 419.889968][ T4366] sysfs_remove_groups+0x3c/0x78 [ 419.891316][ T4366] __kobject_del+0x34/0x134 [ 419.892497][ T4366] kobject_del+0x2c/0x4c [ 419.893696][ T4366] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.895292][ T4366] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.896845][ T4366] nbd_start_device+0xc4/0x510 [ 419.898122][ T4366] nbd_ioctl+0x228/0x66c [ 419.899339][ T4366] blkdev_ioctl+0x218/0x664 [ 419.900514][ T4366] __arm64_sys_ioctl+0xd0/0x148 [ 419.901811][ T4366] invoke_syscall+0x64/0x178 [ 419.903073][ T4366] el0_svc_common+0xb8/0x174 [ 419.904374][ T4366] do_el0_svc+0x48/0x174 [ 419.905511][ T4366] el0_svc+0x34/0x110 [ 419.906590][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 419.907925][ T4366] el0t_64_sync+0x18c/0x190 [ 419.909124][ T4366] ---[ end trace 0000000000000000 ]--- [ 419.910676][ T4366] ------------[ cut here ]------------ [ 419.912254][ T4366] kernfs: can not remove 'cpu_list', no directory [ 419.914182][ T4366] WARNING: CPU: 0 PID: 4366 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.916708][ T4366] Modules linked in: [ 419.917635][ T4366] CPU: 0 PID: 4366 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 419.920151][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 419.922831][ T4366] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.924944][ T4366] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.926524][ T4366] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.928084][ T4366] sp : ffff80000de8bac0 [ 419.929156][ T4366] x29: ffff80000de8bac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 419.931333][ T4366] x26: ffff0000c52f3d08 x25: ffff80000de8bbe8 x24: ffff0001ffa42f80 [ 419.933464][ T4366] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 419.935679][ T4366] x20: 00000000fffffffe x19: 0000000000000000 x18: ffff80000ae6d2cc [ 419.937865][ T4366] x17: 0000000000000000 x16: 0000000000000176 x15: 0000000000000092 [ 419.939932][ T4366] x14: 0000000002adefe0 x13: 0000000000000208 x12: ffff80000d1a5000 [ 419.942114][ T4366] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 71848534daafc400 [ 419.944265][ T4366] x8 : 71848534daafc400 x7 : 0000000000000000 x6 : ffff800008132680 [ 419.946432][ T4366] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.948589][ T4366] x2 : 0000000000000000 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 419.950704][ T4366] Call trace: [ 419.951537][ T4366] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.952976][ T4366] sysfs_remove_group+0x68/0x160 [ 419.954281][ T4366] sysfs_remove_groups+0x3c/0x78 [ 419.955646][ T4366] __kobject_del+0x34/0x134 [ 419.956883][ T4366] kobject_del+0x2c/0x4c [ 419.958002][ T4366] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.959618][ T4366] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.961119][ T4366] nbd_start_device+0xc4/0x510 [ 419.962373][ T4366] nbd_ioctl+0x228/0x66c [ 419.963486][ T4366] blkdev_ioctl+0x218/0x664 [ 419.964672][ T4366] __arm64_sys_ioctl+0xd0/0x148 [ 419.966052][ T4366] invoke_syscall+0x64/0x178 [ 419.967303][ T4366] el0_svc_common+0xb8/0x174 [ 419.968562][ T4366] do_el0_svc+0x48/0x174 [ 419.969727][ T4366] el0_svc+0x34/0x110 [ 419.970758][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 419.972202][ T4366] el0t_64_sync+0x18c/0x190 [ 419.973438][ T4366] ---[ end trace 0000000000000000 ]--- [ 419.977316][ T4366] block nbd0: shutting down sockets [ 420.070954][ T4368] FAULT_INJECTION: forcing a failure. [ 420.070954][ T4368] name failslab, interval 1, probability 0, space 0, times 0 [ 420.074179][ T4368] CPU: 1 PID: 4368 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 420.076701][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 420.079271][ T4368] Call trace: [ 420.080118][ T4368] dump_backtrace+0x1c8/0x1f4 [ 420.081309][ T4368] show_stack+0x2c/0x3c [ 420.082486][ T4368] dump_stack_lvl+0xc0/0x104 [ 420.083803][ T4368] dump_stack+0x1c/0x4c [ 420.084903][ T4368] should_fail_ex+0x1bc/0x1e0 [ 420.086163][ T4368] __should_failslab+0x64/0x78 [ 420.087422][ T4368] should_failslab+0x10/0x28 [ 420.088571][ T4368] slab_pre_alloc_hook+0x54/0x1f4 [ 420.089895][ T4368] kmem_cache_alloc_lru+0x60/0x2ac [ 420.091250][ T4368] alloc_inode+0x7c/0x104 [ 420.092410][ T4368] new_inode+0x2c/0xc0 [ 420.093495][ T4368] debugfs_create_dir+0x98/0x1e0 [ 420.094849][ T4368] nbd_start_device+0x1b4/0x510 [ 420.096152][ T4368] nbd_ioctl+0x228/0x66c [ 420.097261][ T4368] blkdev_ioctl+0x218/0x664 [ 420.098578][ T4368] __arm64_sys_ioctl+0xd0/0x148 [ 420.099879][ T4368] invoke_syscall+0x64/0x178 [ 420.101061][ T4368] el0_svc_common+0xb8/0x174 [ 420.102317][ T4368] do_el0_svc+0x48/0x174 [ 420.103445][ T4368] el0_svc+0x34/0x110 [ 420.104471][ T4368] el0t_64_sync_handler+0x84/0xf0 [ 420.105782][ T4368] el0t_64_sync+0x18c/0x190 [ 420.107071][ T4368] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.109266][ T4368] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.230137][ T4368] block nbd0: shutting down sockets [ 420.330790][ T4371] FAULT_INJECTION: forcing a failure. [ 420.330790][ T4371] name failslab, interval 1, probability 0, space 0, times 0 [ 420.333987][ T4371] CPU: 1 PID: 4371 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 420.336619][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 420.339436][ T4371] Call trace: [ 420.340293][ T4371] dump_backtrace+0x1c8/0x1f4 [ 420.341647][ T4371] show_stack+0x2c/0x3c [ 420.342781][ T4371] dump_stack_lvl+0xc0/0x104 [ 420.344127][ T4371] dump_stack+0x1c/0x4c [ 420.345299][ T4371] should_fail_ex+0x1bc/0x1e0 [ 420.346588][ T4371] __should_failslab+0x64/0x78 [ 420.347900][ T4371] should_failslab+0x10/0x28 [ 420.349168][ T4371] slab_pre_alloc_hook+0x54/0x1f4 [ 420.350575][ T4371] kmem_cache_alloc_lru+0x60/0x2ac [ 420.351965][ T4371] __d_alloc+0x3c/0x290 [ 420.353097][ T4371] d_alloc_parallel+0x58/0x914 [ 420.354509][ T4371] __lookup_slow+0x8c/0x204 [ 420.355832][ T4371] lookup_one_len+0xd4/0x188 [ 420.357128][ T4371] start_creating+0x124/0x1f4 [ 420.358482][ T4371] debugfs_create_dir+0x2c/0x1e0 [ 420.359856][ T4371] nbd_start_device+0x1b4/0x510 [ 420.361225][ T4371] nbd_ioctl+0x228/0x66c [ 420.362441][ T4371] blkdev_ioctl+0x218/0x664 [ 420.363639][ T4371] __arm64_sys_ioctl+0xd0/0x148 [ 420.365027][ T4371] invoke_syscall+0x64/0x178 [ 420.366340][ T4371] el0_svc_common+0xb8/0x174 [ 420.367631][ T4371] do_el0_svc+0x48/0x174 [ 420.368866][ T4371] el0_svc+0x34/0x110 [ 420.369963][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 420.371352][ T4371] el0t_64_sync+0x18c/0x190 [ 420.372642][ T4371] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.481657][ T4371] block nbd0: shutting down sockets [ 420.550961][ T4373] FAULT_INJECTION: forcing a failure. [ 420.550961][ T4373] name failslab, interval 1, probability 0, space 0, times 0 [ 420.554373][ T4373] CPU: 1 PID: 4373 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 420.556889][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 420.559440][ T4373] Call trace: [ 420.560241][ T4373] dump_backtrace+0x1c8/0x1f4 [ 420.561417][ T4373] show_stack+0x2c/0x3c [ 420.562513][ T4373] dump_stack_lvl+0xc0/0x104 [ 420.563773][ T4373] dump_stack+0x1c/0x4c [ 420.564889][ T4373] should_fail_ex+0x1bc/0x1e0 [ 420.566122][ T4373] __should_failslab+0x64/0x78 [ 420.567391][ T4373] should_failslab+0x10/0x28 [ 420.568549][ T4373] slab_pre_alloc_hook+0x54/0x1f4 [ 420.569857][ T4373] kmem_cache_alloc_lru+0x60/0x2ac [ 420.571260][ T4373] __d_alloc+0x3c/0x290 [ 420.572368][ T4373] d_alloc_parallel+0x58/0x914 [ 420.573598][ T4373] __lookup_slow+0x8c/0x204 [ 420.574808][ T4373] lookup_one_len+0xd4/0x188 [ 420.576000][ T4373] start_creating+0x124/0x1f4 [ 420.577253][ T4373] debugfs_create_dir+0x2c/0x1e0 [ 420.578575][ T4373] nbd_start_device+0x1b4/0x510 [ 420.579844][ T4373] nbd_ioctl+0x228/0x66c [ 420.580930][ T4373] blkdev_ioctl+0x218/0x664 [ 420.582192][ T4373] __arm64_sys_ioctl+0xd0/0x148 [ 420.583513][ T4373] invoke_syscall+0x64/0x178 [ 420.584792][ T4373] el0_svc_common+0xb8/0x174 [ 420.586033][ T4373] do_el0_svc+0x48/0x174 [ 420.587187][ T4373] el0_svc+0x34/0x110 [ 420.588271][ T4373] el0t_64_sync_handler+0x84/0xf0 [ 420.589631][ T4373] el0t_64_sync+0x18c/0x190 [ 420.590867][ T4373] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.710205][ T4373] block nbd0: shutting down sockets [ 420.790915][ T4375] FAULT_INJECTION: forcing a failure. [ 420.790915][ T4375] name failslab, interval 1, probability 0, space 0, times 0 [ 420.794300][ T4375] CPU: 1 PID: 4375 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 420.796829][ T4375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 420.799423][ T4375] Call trace: [ 420.800316][ T4375] dump_backtrace+0x1c8/0x1f4 [ 420.801620][ T4375] show_stack+0x2c/0x3c [ 420.802790][ T4375] dump_stack_lvl+0xc0/0x104 [ 420.804028][ T4375] dump_stack+0x1c/0x4c [ 420.805232][ T4375] should_fail_ex+0x1bc/0x1e0 [ 420.806597][ T4375] __should_failslab+0x64/0x78 [ 420.807949][ T4375] should_failslab+0x10/0x28 [ 420.809218][ T4375] slab_pre_alloc_hook+0x54/0x1f4 [ 420.810557][ T4375] kmem_cache_alloc_lru+0x60/0x2ac [ 420.811955][ T4375] __d_alloc+0x3c/0x290 [ 420.813040][ T4375] d_alloc_parallel+0x58/0x914 [ 420.814297][ T4375] __lookup_slow+0x8c/0x204 [ 420.815568][ T4375] lookup_one_len+0xd4/0x188 [ 420.816720][ T4375] start_creating+0x124/0x1f4 [ 420.817954][ T4375] debugfs_create_dir+0x2c/0x1e0 [ 420.819280][ T4375] nbd_start_device+0x1b4/0x510 [ 420.820511][ T4375] nbd_ioctl+0x228/0x66c [ 420.821689][ T4375] blkdev_ioctl+0x218/0x664 [ 420.822871][ T4375] __arm64_sys_ioctl+0xd0/0x148 [ 420.824197][ T4375] invoke_syscall+0x64/0x178 [ 420.825415][ T4375] el0_svc_common+0xb8/0x174 [ 420.826712][ T4375] do_el0_svc+0x48/0x174 [ 420.827885][ T4375] el0_svc+0x34/0x110 [ 420.829052][ T4375] el0t_64_sync_handler+0x84/0xf0 [ 420.830440][ T4375] el0t_64_sync+0x18c/0x190 [ 420.831664][ T4375] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.949455][ T4375] block nbd0: shutting down sockets [ 421.040940][ T4377] FAULT_INJECTION: forcing a failure. [ 421.040940][ T4377] name failslab, interval 1, probability 0, space 0, times 0 [ 421.044423][ T4377] CPU: 0 PID: 4377 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 421.046913][ T4377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 421.049396][ T4377] Call trace: [ 421.050185][ T4377] dump_backtrace+0x1c8/0x1f4 [ 421.051430][ T4377] show_stack+0x2c/0x3c [ 421.052505][ T4377] dump_stack_lvl+0xc0/0x104 [ 421.053706][ T4377] dump_stack+0x1c/0x4c [ 421.054827][ T4377] should_fail_ex+0x1bc/0x1e0 [ 421.056075][ T4377] __should_failslab+0x64/0x78 [ 421.057333][ T4377] should_failslab+0x10/0x28 [ 421.058615][ T4377] slab_pre_alloc_hook+0x54/0x1f4 [ 421.060015][ T4377] kmem_cache_alloc_lru+0x60/0x2ac [ 421.061417][ T4377] __d_alloc+0x3c/0x290 [ 421.062510][ T4377] d_alloc_parallel+0x58/0x914 [ 421.063743][ T4377] __lookup_slow+0x8c/0x204 [ 421.064952][ T4377] lookup_one_len+0xd4/0x188 [ 421.066187][ T4377] start_creating+0x124/0x1f4 [ 421.067512][ T4377] debugfs_create_dir+0x2c/0x1e0 [ 421.068835][ T4377] nbd_start_device+0x1b4/0x510 [ 421.070192][ T4377] nbd_ioctl+0x228/0x66c [ 421.071302][ T4377] blkdev_ioctl+0x218/0x664 [ 421.072498][ T4377] __arm64_sys_ioctl+0xd0/0x148 [ 421.073914][ T4377] invoke_syscall+0x64/0x178 [ 421.075175][ T4377] el0_svc_common+0xb8/0x174 [ 421.076444][ T4377] do_el0_svc+0x48/0x174 [ 421.077526][ T4377] el0_svc+0x34/0x110 [ 421.078554][ T4377] el0t_64_sync_handler+0x84/0xf0 [ 421.079921][ T4377] el0t_64_sync+0x18c/0x190 [ 421.081177][ T4377] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.198840][ T4377] block nbd0: shutting down sockets [ 421.280927][ T4379] FAULT_INJECTION: forcing a failure. [ 421.280927][ T4379] name failslab, interval 1, probability 0, space 0, times 0 [ 421.284134][ T4379] CPU: 0 PID: 4379 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 421.286573][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 421.289080][ T4379] Call trace: [ 421.289880][ T4379] dump_backtrace+0x1c8/0x1f4 [ 421.291131][ T4379] show_stack+0x2c/0x3c [ 421.292249][ T4379] dump_stack_lvl+0xc0/0x104 [ 421.293453][ T4379] dump_stack+0x1c/0x4c [ 421.294557][ T4379] should_fail_ex+0x1bc/0x1e0 [ 421.295777][ T4379] __should_failslab+0x64/0x78 [ 421.297063][ T4379] should_failslab+0x10/0x28 [ 421.298307][ T4379] slab_pre_alloc_hook+0x54/0x1f4 [ 421.299684][ T4379] kmem_cache_alloc_lru+0x60/0x2ac [ 421.301010][ T4379] __d_alloc+0x3c/0x290 [ 421.302146][ T4379] d_alloc_parallel+0x58/0x914 [ 421.303427][ T4379] __lookup_slow+0x8c/0x204 [ 421.304557][ T4379] lookup_one_len+0xd4/0x188 [ 421.305804][ T4379] start_creating+0x124/0x1f4 [ 421.307064][ T4379] debugfs_create_dir+0x2c/0x1e0 [ 421.308477][ T4379] nbd_start_device+0x1b4/0x510 [ 421.309800][ T4379] nbd_ioctl+0x228/0x66c [ 421.310917][ T4379] blkdev_ioctl+0x218/0x664 [ 421.312254][ T4379] __arm64_sys_ioctl+0xd0/0x148 [ 421.313603][ T4379] invoke_syscall+0x64/0x178 [ 421.314853][ T4379] el0_svc_common+0xb8/0x174 [ 421.316080][ T4379] do_el0_svc+0x48/0x174 [ 421.317208][ T4379] el0_svc+0x34/0x110 [ 421.318330][ T4379] el0t_64_sync_handler+0x84/0xf0 [ 421.319707][ T4379] el0t_64_sync+0x18c/0x190 [ 421.320932][ T4379] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.439226][ T4379] block nbd0: shutting down sockets [ 421.560753][ T4382] block nbd0: Device being setup by another task [ 421.602960][ T4381] FAULT_INJECTION: forcing a failure. [ 421.602960][ T4381] name failslab, interval 1, probability 0, space 0, times 0 [ 421.606152][ T4381] CPU: 1 PID: 4381 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 421.608674][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 421.611194][ T4381] Call trace: [ 421.612028][ T4381] dump_backtrace+0x1c8/0x1f4 [ 421.613316][ T4381] show_stack+0x2c/0x3c [ 421.614468][ T4381] dump_stack_lvl+0xc0/0x104 [ 421.615653][ T4381] dump_stack+0x1c/0x4c [ 421.616795][ T4381] should_fail_ex+0x1bc/0x1e0 [ 421.618061][ T4381] __should_failslab+0x64/0x78 [ 421.619330][ T4381] should_failslab+0x10/0x28 [ 421.620532][ T4381] __kmem_cache_alloc_node+0x6c/0x348 [ 421.622028][ T4381] __kmalloc_node_track_caller+0x84/0xc0 [ 421.623589][ T4381] kstrdup_const+0x90/0xdc [ 421.624790][ T4381] __kernfs_new_node+0x5c/0x2e8 [ 421.626114][ T4381] kernfs_create_dir_ns+0xac/0x188 [ 421.627467][ T4381] sysfs_create_dir_ns+0x8c/0x168 [ 421.628844][ T4381] kobject_add_internal+0x314/0x64c [ 421.630235][ T4381] kobject_add+0xb8/0x130 [ 421.631401][ T4381] blk_mq_register_hctx+0x54/0x184 [ 421.632726][ T4381] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 421.634289][ T4381] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 421.635852][ T4381] nbd_start_device+0xc4/0x510 [ 421.637130][ T4381] nbd_ioctl+0x228/0x66c [ 421.638257][ T4381] blkdev_ioctl+0x218/0x664 [ 421.639518][ T4381] __arm64_sys_ioctl+0xd0/0x148 [ 421.640867][ T4381] invoke_syscall+0x64/0x178 [ 421.642097][ T4381] el0_svc_common+0xb8/0x174 [ 421.643402][ T4381] do_el0_svc+0x48/0x174 [ 421.644483][ T4381] el0_svc+0x34/0x110 [ 421.645532][ T4381] el0t_64_sync_handler+0x84/0xf0 [ 421.646908][ T4381] el0t_64_sync+0x18c/0x190 [ 421.648136][ T4381] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 421.705631][ T4381] block nbd0: shutting down sockets [ 421.830708][ T4385] block nbd0: Device being setup by another task [ 421.832394][ T4384] FAULT_INJECTION: forcing a failure. [ 421.832394][ T4384] name failslab, interval 1, probability 0, space 0, times 0 [ 421.835755][ T4384] CPU: 0 PID: 4384 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 421.838261][ T4384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 421.840750][ T4384] Call trace: [ 421.841578][ T4384] dump_backtrace+0x1c8/0x1f4 [ 421.843097][ T4384] show_stack+0x2c/0x3c [ 421.844171][ T4384] dump_stack_lvl+0xc0/0x104 [ 421.845457][ T4384] dump_stack+0x1c/0x4c [ 421.846566][ T4384] should_fail_ex+0x1bc/0x1e0 [ 421.847842][ T4384] __should_failslab+0x64/0x78 [ 421.848983][ T4384] should_failslab+0x10/0x28 [ 421.850357][ T4384] slab_pre_alloc_hook+0x54/0x1f4 [ 421.851812][ T4384] kmem_cache_alloc_lru+0x60/0x2ac [ 421.853163][ T4384] alloc_inode+0x7c/0x104 [ 421.854288][ T4384] new_inode+0x2c/0xc0 [ 421.855313][ T4384] debugfs_create_dir+0x98/0x1e0 [ 421.856619][ T4384] nbd_start_device+0x1b4/0x510 [ 421.857927][ T4384] nbd_ioctl+0x228/0x66c [ 421.859052][ T4384] blkdev_ioctl+0x218/0x664 [ 421.860215][ T4384] __arm64_sys_ioctl+0xd0/0x148 [ 421.861501][ T4384] invoke_syscall+0x64/0x178 [ 421.862721][ T4384] el0_svc_common+0xb8/0x174 [ 421.863921][ T4384] do_el0_svc+0x48/0x174 [ 421.865049][ T4384] el0_svc+0x34/0x110 [ 421.866086][ T4384] el0t_64_sync_handler+0x84/0xf0 [ 421.867413][ T4384] el0t_64_sync+0x18c/0x190 [ 421.868662][ T4384] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.870632][ T4384] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.974589][ T4384] block nbd0: shutting down sockets [ 422.141994][ T4388] ------------[ cut here ]------------ [ 422.143541][ T4388] kernfs: can not remove 'nr_tags', no directory [ 422.145146][ T4388] WARNING: CPU: 0 PID: 4388 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.147564][ T4388] Modules linked in: [ 422.148535][ T4388] CPU: 0 PID: 4388 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 422.150999][ T4388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 422.153743][ T4388] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.156002][ T4388] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.157634][ T4388] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.159147][ T4388] sp : ffff80000def3ac0 [ 422.160304][ T4388] x29: ffff80000def3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 422.162491][ T4388] x26: ffff0000c52f3d08 x25: ffff80000def3be8 x24: ffff0000c50ea080 [ 422.164634][ T4388] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 422.166838][ T4388] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.168999][ T4388] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 422.171128][ T4388] x14: 0000000000000000 x13: 205d383833345420 x12: ffff80000d1a5000 [ 422.173311][ T4388] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 55c18d0e093e8900 [ 422.175508][ T4388] x8 : 55c18d0e093e8900 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 422.177615][ T4388] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.179771][ T4388] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.181851][ T4388] Call trace: [ 422.182715][ T4388] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.184225][ T4388] sysfs_remove_group+0x68/0x160 [ 422.185519][ T4388] sysfs_remove_groups+0x3c/0x78 [ 422.186857][ T4388] __kobject_del+0x34/0x134 [ 422.188188][ T4388] kobject_del+0x2c/0x4c [ 422.189378][ T4388] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.190966][ T4388] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.192568][ T4388] nbd_start_device+0xc4/0x510 [ 422.193859][ T4388] nbd_ioctl+0x228/0x66c [ 422.195003][ T4388] blkdev_ioctl+0x218/0x664 [ 422.196167][ T4388] __arm64_sys_ioctl+0xd0/0x148 [ 422.197520][ T4388] invoke_syscall+0x64/0x178 [ 422.198784][ T4388] el0_svc_common+0xb8/0x174 [ 422.200093][ T4388] do_el0_svc+0x48/0x174 [ 422.201190][ T4388] el0_svc+0x34/0x110 [ 422.202252][ T4388] el0t_64_sync_handler+0x84/0xf0 [ 422.203593][ T4388] el0t_64_sync+0x18c/0x190 [ 422.204763][ T4388] ---[ end trace 0000000000000000 ]--- [ 422.206188][ T4388] ------------[ cut here ]------------ [ 422.207626][ T4388] kernfs: can not remove 'nr_reserved_tags', no directory [ 422.209493][ T4388] WARNING: CPU: 0 PID: 4388 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.212159][ T4388] Modules linked in: [ 422.213183][ T4388] CPU: 0 PID: 4388 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 422.215813][ T4388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 422.218484][ T4388] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.220585][ T4388] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.222147][ T4388] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.223663][ T4388] sp : ffff80000def3ac0 [ 422.224774][ T4388] x29: ffff80000def3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 422.226953][ T4388] x26: ffff0000c52f3d08 x25: ffff80000def3be8 x24: ffff0000c50ea080 [ 422.229199][ T4388] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 422.231367][ T4388] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.233540][ T4388] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 422.235728][ T4388] x14: 0000000000000000 x13: 205d383833345420 x12: ffff80000d1a5000 [ 422.237860][ T4388] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 55c18d0e093e8900 [ 422.239976][ T4388] x8 : 55c18d0e093e8900 x7 : 0000000000000000 x6 : ffff80000ae34ad4 [ 422.242095][ T4388] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.244187][ T4388] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.246241][ T4388] Call trace: [ 422.247116][ T4388] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.248624][ T4388] sysfs_remove_group+0x68/0x160 [ 422.249922][ T4388] sysfs_remove_groups+0x3c/0x78 [ 422.251214][ T4388] __kobject_del+0x34/0x134 [ 422.252408][ T4388] kobject_del+0x2c/0x4c [ 422.253614][ T4388] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.255217][ T4388] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.256823][ T4388] nbd_start_device+0xc4/0x510 [ 422.258067][ T4388] nbd_ioctl+0x228/0x66c [ 422.259208][ T4388] blkdev_ioctl+0x218/0x664 [ 422.260451][ T4388] __arm64_sys_ioctl+0xd0/0x148 [ 422.261714][ T4388] invoke_syscall+0x64/0x178 [ 422.262934][ T4388] el0_svc_common+0xb8/0x174 [ 422.264235][ T4388] do_el0_svc+0x48/0x174 [ 422.265357][ T4388] el0_svc+0x34/0x110 [ 422.266364][ T4388] el0t_64_sync_handler+0x84/0xf0 [ 422.267820][ T4388] el0t_64_sync+0x18c/0x190 [ 422.269053][ T4388] ---[ end trace 0000000000000000 ]--- [ 422.270650][ T4388] ------------[ cut here ]------------ [ 422.272226][ T4388] kernfs: can not remove 'cpu_list', no directory [ 422.274147][ T4388] WARNING: CPU: 0 PID: 4388 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.276680][ T4388] Modules linked in: [ 422.277673][ T4388] CPU: 0 PID: 4388 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 422.280168][ T4388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 422.282824][ T4388] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.284911][ T4388] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.286463][ T4388] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.287982][ T4388] sp : ffff80000def3ac0 [ 422.289075][ T4388] x29: ffff80000def3ac0 x28: ffff80000bcf7000 x27: ffff0000c52f3d08 [ 422.291231][ T4388] x26: ffff0000c52f3d08 x25: ffff80000def3be8 x24: ffff0000c50ea080 [ 422.293326][ T4388] x23: ffff0000c64b8000 x22: 0000000000000000 x21: 0000000000000000 [ 422.295412][ T4388] x20: 00000000fffffffe x19: 0000000000000000 x18: ffff80000ae6d2cc [ 422.297567][ T4388] x17: 0000000000000000 x16: 000000000000ba7e x15: 000000000000b67e [ 422.299806][ T4388] x14: 0000000002addbf3 x13: 00000000000000a5 x12: ffff80000d1a5000 [ 422.301850][ T4388] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 55c18d0e093e8900 [ 422.304010][ T4388] x8 : 55c18d0e093e8900 x7 : 0000000000000000 x6 : ffff800008132680 [ 422.306166][ T4388] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.308335][ T4388] x2 : 0000000000000000 x1 : ffff80000b9c81c9 x0 : 0000000000000001 [ 422.310452][ T4388] Call trace: [ 422.311346][ T4388] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.312760][ T4388] sysfs_remove_group+0x68/0x160 [ 422.314074][ T4388] sysfs_remove_groups+0x3c/0x78 [ 422.315338][ T4388] __kobject_del+0x34/0x134 [ 422.316530][ T4388] kobject_del+0x2c/0x4c [ 422.317628][ T4388] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.319139][ T4388] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.320585][ T4388] nbd_start_device+0xc4/0x510 [ 422.321827][ T4388] nbd_ioctl+0x228/0x66c [ 422.322925][ T4388] blkdev_ioctl+0x218/0x664 [ 422.324144][ T4388] __arm64_sys_ioctl+0xd0/0x148 [ 422.325408][ T4388] invoke_syscall+0x64/0x178 [ 422.326665][ T4388] el0_svc_common+0xb8/0x174 [ 422.327874][ T4388] do_el0_svc+0x48/0x174 [ 422.329002][ T4388] el0_svc+0x34/0x110 [ 422.330104][ T4388] el0t_64_sync_handler+0x84/0xf0 [ 422.331448][ T4388] el0t_64_sync+0x18c/0x190 [ 422.332633][ T4388] ---[ end trace 0000000000000000 ]--- [ 422.336379][ T4388] block nbd0: shutting down sockets [ 422.430939][ T4390] FAULT_INJECTION: forcing a failure. [ 422.430939][ T4390] name failslab, interval 1, probability 0, space 0, times 0 [ 422.434320][ T4390] CPU: 1 PID: 4390 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 422.436873][ T4390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 422.439450][ T4390] Call trace: [ 422.440314][ T4390] dump_backtrace+0x1c8/0x1f4 [ 422.441554][ T4390] show_stack+0x2c/0x3c [ 422.442660][ T4390] dump_stack_lvl+0xc0/0x104 [ 422.443963][ T4390] dump_stack+0x1c/0x4c [ 422.445121][ T4390] should_fail_ex+0x1bc/0x1e0 [ 422.446412][ T4390] __should_failslab+0x64/0x78 [ 422.447695][ T4390] should_failslab+0x10/0x28 [ 422.448935][ T4390] slab_pre_alloc_hook+0x54/0x1f4 [ 422.450376][ T4390] kmem_cache_alloc_lru+0x60/0x2ac [ 422.451796][ T4390] alloc_inode+0x7c/0x104 [ 422.453009][ T4390] new_inode+0x2c/0xc0 [ 422.454122][ T4390] debugfs_create_dir+0x98/0x1e0 [ 422.455531][ T4390] nbd_start_device+0x1b4/0x510 [ 422.456852][ T4390] nbd_ioctl+0x228/0x66c [ 422.458049][ T4390] blkdev_ioctl+0x218/0x664 [ 422.459333][ T4390] __arm64_sys_ioctl+0xd0/0x148 [ 422.460602][ T4390] invoke_syscall+0x64/0x178 [ 422.461799][ T4390] el0_svc_common+0xb8/0x174 [ 422.463088][ T4390] do_el0_svc+0x48/0x174 [ 422.464244][ T4390] el0_svc+0x34/0x110 [ 422.465344][ T4390] el0t_64_sync_handler+0x84/0xf0 [ 422.466700][ T4390] el0t_64_sync+0x18c/0x190 [ 422.468015][ T4390] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.470087][ T4390] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.588698][ T4390] block nbd0: shutting down sockets [ 422.680964][ T4392] FAULT_INJECTION: forcing a failure. [ 422.680964][ T4392] name failslab, interval 1, probability 0, space 0, times 0 [ 422.684139][ T4392] CPU: 0 PID: 4392 Comm: syz-executor193 Tainted: G W 6.1.106-syzkaller #0 [ 422.686616][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 422.689114][ T4392] Call trace: [ 422.689910][ T4392] dump_backtrace+0x1c8/0x1f4 [ 422.691173][ T4392] show_stack+0x2c/0x3c [ 422.692349][ T4392] dump_stack_lvl+0xc0/0x104 [ 422.693653][ T4392] dump_stack+0x1c/0x4c [ 422.694801][ T4392] should_fail_ex+0x1bc/0x1e0 [ 422.696122][ T4392] __should_failslab+0x64/0x78 [ 422.697433][ T4392] should_failslab+0x10/0x28 [ 422.698648][ T4392] slab_pre_alloc_hook+0x54/0x1f4 [ 422.699976][ T4392] kmem_cache_alloc_lru+0x60/0x2ac [ 422.701338][ T4392] alloc_inode+0x7c/0x104 [ 422.702506][ T4392] new_inode+0x2c/0xc0 [ 422.703589][ T4392] debugfs_create_dir+0x98/0x1e0 [ 422.704913][ T4392] nbd_start_device+0x1b4/0x510 [ 422.706209][ T4392] nbd_ioctl+0x228/0x66c [ 422.707304][ T4392] blkdev_ioctl+0x218/0x664 [ 422.708560][ T4392] __arm64_sys_ioctl+0xd0/0x148 [ 422.709917][ T4392] invoke_syscall+0x64/0x178 [ 422.711177][ T4392] el0_svc_common+0xb8/0x174 [ 422.712452][ T4392] do_el0_svc+0x48/0x174 [ 422.713574][ T4392] el0_svc+0x34/0x110 [ 422.714592][ T4392] el0t_64_sync_handler+0x84/0xf0 [ 422.716055][ T4392] el0t_64_sync+0x18c/0x190 [ 422.717311][ T4392] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.719381][ T4392] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.838761][ T4392] block nbd0: shutting down sockets