[ 407.523670][ T3159] block nbd0: Receive control failed (result -32) [ 407.523682][ T43] block nbd0: Receive control failed (result -32) [ 407.527125][ T4222] block nbd0: shutting down sockets [ 407.680825][ T4225] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 408.367187][ T43] block nbd0: Receive control failed (result -32) [ 408.367195][ T3159] block nbd0: Receive control failed (result -32) [ 408.370847][ T4225] block nbd0: shutting down sockets [ 408.478553][ T4228] block nbd0: Device being setup by another task [ 408.480512][ T4227] FAULT_INJECTION: forcing a failure. [ 408.480512][ T4227] name failslab, interval 1, probability 0, space 0, times 0 [ 408.483560][ T4227] CPU: 1 PID: 4227 Comm: syz-executor.0 Not tainted 6.1.111-syzkaller #0 [ 408.485611][ T4227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 408.488162][ T4227] Call trace: [ 408.488992][ T4227] dump_backtrace+0x1c8/0x1f4 [ 408.490177][ T4227] show_stack+0x2c/0x3c [ 408.491218][ T4227] dump_stack_lvl+0xc0/0x104 [ 408.492488][ T4227] dump_stack+0x1c/0x4c [ 408.493675][ T4227] should_fail_ex+0x1bc/0x1e0 [ 408.494810][ T4227] __should_failslab+0x64/0x78 [ 408.496035][ T4227] should_failslab+0x10/0x28 [ 408.497166][ T4227] slab_pre_alloc_hook+0x54/0x1f4 [ 408.498545][ T4227] kmem_cache_alloc_lru+0x60/0x2ac [ 408.499841][ T4227] alloc_inode+0x7c/0x104 [ 408.501002][ T4227] new_inode+0x2c/0xc0 [ 408.501927][ T4227] debugfs_create_dir+0x98/0x1e0 [ 408.503204][ T4227] nbd_start_device+0x1b4/0x510 [ 408.504495][ T4227] nbd_ioctl+0x228/0x66c [ 408.505543][ T4227] blkdev_ioctl+0x218/0x664 [ 408.506771][ T4227] __arm64_sys_ioctl+0xd0/0x148 [ 408.507973][ T4227] invoke_syscall+0x64/0x178 [ 408.509197][ T4227] el0_svc_common+0xb8/0x174 [ 408.510393][ T4227] do_el0_svc+0x48/0x174 [ 408.511530][ T4227] el0_svc+0x34/0x110 [ 408.512590][ T4227] el0t_64_sync_handler+0x84/0xf0 [ 408.513784][ T4227] el0t_64_sync+0x18c/0x190 [ 408.514825][ T4227] debugfs: out of free dentries, can not create directory 'nbd0' [ 408.517009][ T4227] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.211053][ T3159] block nbd0: Receive control failed (result -32) [ 409.212880][ T4227] block nbd0: shutting down sockets [ 409.328508][ T4231] block nbd0: Device being setup by another task [ 409.330066][ T4230] FAULT_INJECTION: forcing a failure. [ 409.330066][ T4230] name failslab, interval 1, probability 0, space 0, times 0 [ 409.333142][ T4230] CPU: 0 PID: 4230 Comm: syz-executor.0 Not tainted 6.1.111-syzkaller #0 [ 409.334797][ T4230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 409.337211][ T4230] Call trace: [ 409.338086][ T4230] dump_backtrace+0x1c8/0x1f4 [ 409.339303][ T4230] show_stack+0x2c/0x3c [ 409.340327][ T4230] dump_stack_lvl+0xc0/0x104 [ 409.341556][ T4230] dump_stack+0x1c/0x4c [ 409.342668][ T4230] should_fail_ex+0x1bc/0x1e0 [ 409.343814][ T4230] __should_failslab+0x64/0x78 [ 409.345067][ T4230] should_failslab+0x10/0x28 [ 409.346235][ T4230] slab_pre_alloc_hook+0x54/0x1f4 [ 409.347508][ T4230] kmem_cache_alloc_lru+0x60/0x2ac [ 409.348791][ T4230] alloc_inode+0x7c/0x104 [ 409.349954][ T4230] new_inode+0x2c/0xc0 [ 409.350947][ T4230] debugfs_create_dir+0x98/0x1e0 [ 409.352274][ T4230] nbd_start_device+0x1b4/0x510 [ 409.353550][ T4230] nbd_ioctl+0x228/0x66c [ 409.354575][ T4230] blkdev_ioctl+0x218/0x664 [ 409.355757][ T4230] __arm64_sys_ioctl+0xd0/0x148 [ 409.356958][ T4230] invoke_syscall+0x64/0x178 [ 409.358115][ T4230] el0_svc_common+0xb8/0x174 [ 409.359358][ T4230] do_el0_svc+0x48/0x174 [ 409.360605][ T4230] el0_svc+0x34/0x110 [ 409.361728][ T4230] el0t_64_sync_handler+0x84/0xf0 [ 409.362983][ T4230] el0t_64_sync+0x18c/0x190 [ 409.364166][ T4230] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.366100][ T4230] block nbd0: Failed to create debugfs dir for 'nbd0' [ 410.051706][ T3159] block nbd0: Receive control failed (result -32) [ 410.053453][ T4230] block nbd0: shutting down sockets [ 410.158562][ T4234] block nbd0: Device being setup by another task [ 410.160433][ T4233] FAULT_INJECTION: forcing a failure. [ 410.160433][ T4233] name failslab, interval 1, probability 0, space 0, times 0 [ 410.163531][ T4233] CPU: 1 PID: 4233 Comm: syz-executor.0 Not tainted 6.1.111-syzkaller #0 [ 410.165562][ T4233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 410.168078][ T4233] Call trace: [ 410.168947][ T4233] dump_backtrace+0x1c8/0x1f4 [ 410.170077][ T4233] show_stack+0x2c/0x3c [ 410.171199][ T4233] dump_stack_lvl+0xc0/0x104 [ 410.172390][ T4233] dump_stack+0x1c/0x4c [ 410.173463][ T4233] should_fail_ex+0x1bc/0x1e0 [ 410.174727][ T4233] __should_failslab+0x64/0x78 [ 410.175949][ T4233] should_failslab+0x10/0x28 [ 410.177179][ T4233] slab_pre_alloc_hook+0x54/0x1f4 [ 410.178515][ T4233] kmem_cache_alloc_lru+0x60/0x2ac [ 410.179789][ T4233] alloc_inode+0x7c/0x104 [ 410.180884][ T4233] new_inode+0x2c/0xc0 [ 410.181992][ T4233] debugfs_create_dir+0x98/0x1e0 [ 410.183296][ T4233] nbd_start_device+0x1b4/0x510 [ 410.184682][ T4233] nbd_ioctl+0x228/0x66c [ 410.185846][ T4233] blkdev_ioctl+0x218/0x664 [ 410.186978][ T4233] __arm64_sys_ioctl+0xd0/0x148 [ 410.188308][ T4233] invoke_syscall+0x64/0x178 [ 410.189641][ T4233] el0_svc_common+0xb8/0x174 [ 410.190836][ T4233] do_el0_svc+0x48/0x174 [ 410.191978][ T4233] el0_svc+0x34/0x110 [ 410.192996][ T4233] el0t_64_sync_handler+0x84/0xf0 [ 410.194292][ T4233] el0t_64_sync+0x18c/0x190 [ 410.195560][ T4233] debugfs: out of free dentries, can not create directory 'nbd0' [ 410.197748][ T4233] block nbd0: Failed to create debugfs dir for 'nbd0' [ 410.893250][ T3159] block nbd0: Receive control failed (result -32) [ 410.894953][ T4233] block nbd0: shutting down sockets [ 411.499182][ T1424] device bridge_slave_1 left promiscuous mode [ 411.500916][ T1424] bridge0: port 2(bridge_slave_1) entered disabled state [ 411.548765][ T1424] device bridge_slave_0 left promiscuous mode [ 411.550381][ T1424] bridge0: port 1(bridge_slave_0) entered disabled state [ 411.589589][ T1424] device veth0_macvtap left promiscuous mode [ 411.591063][ T1424] device veth1_vlan left promiscuous mode [ 411.592485][ T1424] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts. [ 414.538861][ T4241] FAULT_INJECTION: forcing a failure. [ 414.538861][ T4241] name failslab, interval 1, probability 0, space 0, times 0 [ 414.541951][ T4241] CPU: 1 PID: 4241 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 414.544012][ T4241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 414.546624][ T4241] Call trace: [ 414.547295][ T4241] dump_backtrace+0x1c8/0x1f4 [ 414.548455][ T4241] show_stack+0x2c/0x3c [ 414.549436][ T4241] dump_stack_lvl+0xc0/0x104 [ 414.550570][ T4241] dump_stack+0x1c/0x4c [ 414.551547][ T4241] should_fail_ex+0x1bc/0x1e0 [ 414.552825][ T4241] __should_failslab+0x64/0x78 [ 414.554012][ T4241] should_failslab+0x10/0x28 [ 414.555127][ T4241] __kmem_cache_alloc_node+0x6c/0x348 [ 414.556556][ T4241] __kmalloc+0x98/0xd8 [ 414.557559][ T4241] tomoyo_supervisor+0x700/0x888 [ 414.558846][ T4241] tomoyo_path_number_perm+0x200/0x2a8 [ 414.560290][ T4241] tomoyo_file_ioctl+0x2c/0x3c [ 414.561305][ T4241] security_file_ioctl+0x4c/0x8c [ 414.562575][ T4241] __arm64_sys_ioctl+0x5c/0x148 [ 414.563831][ T4241] invoke_syscall+0x64/0x178 [ 414.564899][ T4241] el0_svc_common+0xb8/0x174 [ 414.566041][ T4241] do_el0_svc+0x48/0x174 [ 414.567124][ T4241] el0_svc+0x34/0x110 [ 414.567998][ T4241] el0t_64_sync_handler+0x84/0xf0 [ 414.569234][ T4241] el0t_64_sync+0x18c/0x190 [ 414.697524][ T4241] block nbd0: shutting down sockets [ 414.778870][ T4244] FAULT_INJECTION: forcing a failure. [ 414.778870][ T4244] name failslab, interval 1, probability 0, space 0, times 0 [ 414.782155][ T4244] CPU: 1 PID: 4244 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 414.784307][ T4244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 414.787160][ T4244] Call trace: [ 414.787946][ T4244] dump_backtrace+0x1c8/0x1f4 [ 414.789095][ T4244] show_stack+0x2c/0x3c [ 414.790205][ T4244] dump_stack_lvl+0xc0/0x104 [ 414.791434][ T4244] dump_stack+0x1c/0x4c [ 414.792495][ T4244] should_fail_ex+0x1bc/0x1e0 [ 414.793737][ T4244] __should_failslab+0x64/0x78 [ 414.794878][ T4244] should_failslab+0x10/0x28 [ 414.796142][ T4244] __kmem_cache_alloc_node+0x6c/0x348 [ 414.797556][ T4244] __kmalloc+0x98/0xd8 [ 414.798531][ T4244] tomoyo_supervisor+0x700/0x888 [ 414.799823][ T4244] tomoyo_path_number_perm+0x200/0x2a8 [ 414.801186][ T4244] tomoyo_file_ioctl+0x2c/0x3c [ 414.802455][ T4244] security_file_ioctl+0x4c/0x8c [ 414.803708][ T4244] __arm64_sys_ioctl+0x5c/0x148 [ 414.804734][ T4244] invoke_syscall+0x64/0x178 [ 414.805929][ T4244] el0_svc_common+0xb8/0x174 [ 414.807008][ T4244] do_el0_svc+0x48/0x174 [ 414.808151][ T4244] el0_svc+0x34/0x110 [ 414.809246][ T4244] el0t_64_sync_handler+0x84/0xf0 [ 414.810540][ T4244] el0t_64_sync+0x18c/0x190 [ 414.937878][ T4244] block nbd0: shutting down sockets [ 415.029963][ T4247] FAULT_INJECTION: forcing a failure. [ 415.029963][ T4247] name failslab, interval 1, probability 0, space 0, times 0 [ 415.033360][ T4247] CPU: 1 PID: 4247 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 415.035481][ T4247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 415.037800][ T4247] Call trace: [ 415.038580][ T4247] dump_backtrace+0x1c8/0x1f4 [ 415.039784][ T4247] show_stack+0x2c/0x3c [ 415.040885][ T4247] dump_stack_lvl+0xc0/0x104 [ 415.042024][ T4247] dump_stack+0x1c/0x4c [ 415.043066][ T4247] should_fail_ex+0x1bc/0x1e0 [ 415.044197][ T4247] __should_failslab+0x64/0x78 [ 415.045401][ T4247] should_failslab+0x10/0x28 [ 415.046622][ T4247] __kmem_cache_alloc_node+0x6c/0x348 [ 415.047981][ T4247] __kmalloc+0x98/0xd8 [ 415.049010][ T4247] tomoyo_supervisor+0x700/0x888 [ 415.050191][ T4247] tomoyo_path_number_perm+0x200/0x2a8 [ 415.051646][ T4247] tomoyo_file_ioctl+0x2c/0x3c [ 415.052812][ T4247] security_file_ioctl+0x4c/0x8c [ 415.054091][ T4247] __arm64_sys_ioctl+0x5c/0x148 [ 415.055367][ T4247] invoke_syscall+0x64/0x178 [ 415.056500][ T4247] el0_svc_common+0xb8/0x174 [ 415.057602][ T4247] do_el0_svc+0x48/0x174 [ 415.058672][ T4247] el0_svc+0x34/0x110 [ 415.059752][ T4247] el0t_64_sync_handler+0x84/0xf0 [ 415.060850][ T4247] el0t_64_sync+0x18c/0x190 [ 415.188352][ T4247] block nbd0: shutting down sockets [ 415.278813][ T4249] FAULT_INJECTION: forcing a failure. [ 415.278813][ T4249] name failslab, interval 1, probability 0, space 0, times 0 [ 415.282006][ T4249] CPU: 0 PID: 4249 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 415.283948][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 415.286506][ T4249] Call trace: [ 415.287281][ T4249] dump_backtrace+0x1c8/0x1f4 [ 415.288443][ T4249] show_stack+0x2c/0x3c [ 415.289460][ T4249] dump_stack_lvl+0xc0/0x104 [ 415.290653][ T4249] dump_stack+0x1c/0x4c [ 415.291734][ T4249] should_fail_ex+0x1bc/0x1e0 [ 415.292832][ T4249] __should_failslab+0x64/0x78 [ 415.293997][ T4249] should_failslab+0x10/0x28 [ 415.295126][ T4249] __kmem_cache_alloc_node+0x6c/0x348 [ 415.296535][ T4249] __kmalloc+0x98/0xd8 [ 415.297575][ T4249] tomoyo_supervisor+0x700/0x888 [ 415.298887][ T4249] tomoyo_path_number_perm+0x200/0x2a8 [ 415.300314][ T4249] tomoyo_file_ioctl+0x2c/0x3c [ 415.301564][ T4249] security_file_ioctl+0x4c/0x8c [ 415.302785][ T4249] __arm64_sys_ioctl+0x5c/0x148 [ 415.303941][ T4249] invoke_syscall+0x64/0x178 [ 415.305135][ T4249] el0_svc_common+0xb8/0x174 [ 415.306323][ T4249] do_el0_svc+0x48/0x174 [ 415.307420][ T4249] el0_svc+0x34/0x110 [ 415.308341][ T4249] el0t_64_sync_handler+0x84/0xf0 [ 415.309714][ T4249] el0t_64_sync+0x18c/0x190 [ 415.437152][ T4249] block nbd0: shutting down sockets [ 415.508842][ T4251] FAULT_INJECTION: forcing a failure. [ 415.508842][ T4251] name failslab, interval 1, probability 0, space 0, times 0 [ 415.511960][ T4251] CPU: 0 PID: 4251 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 415.514142][ T4251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 415.516738][ T4251] Call trace: [ 415.517551][ T4251] dump_backtrace+0x1c8/0x1f4 [ 415.518665][ T4251] show_stack+0x2c/0x3c [ 415.519729][ T4251] dump_stack_lvl+0xc0/0x104 [ 415.520898][ T4251] dump_stack+0x1c/0x4c [ 415.522013][ T4251] should_fail_ex+0x1bc/0x1e0 [ 415.523262][ T4251] __should_failslab+0x64/0x78 [ 415.524440][ T4251] should_failslab+0x10/0x28 [ 415.525545][ T4251] __kmem_cache_alloc_node+0x6c/0x348 [ 415.526846][ T4251] __kmalloc+0x98/0xd8 [ 415.527840][ T4251] tomoyo_supervisor+0x700/0x888 [ 415.529096][ T4251] tomoyo_path_number_perm+0x200/0x2a8 [ 415.530468][ T4251] tomoyo_file_ioctl+0x2c/0x3c [ 415.531650][ T4251] security_file_ioctl+0x4c/0x8c [ 415.532886][ T4251] __arm64_sys_ioctl+0x5c/0x148 [ 415.534179][ T4251] invoke_syscall+0x64/0x178 [ 415.535474][ T4251] el0_svc_common+0xb8/0x174 [ 415.536678][ T4251] do_el0_svc+0x48/0x174 [ 415.537729][ T4251] el0_svc+0x34/0x110 [ 415.538737][ T4251] el0t_64_sync_handler+0x84/0xf0 [ 415.539961][ T4251] el0t_64_sync+0x18c/0x190 [ 415.667181][ T4251] block nbd0: shutting down sockets [ 415.738811][ T4253] FAULT_INJECTION: forcing a failure. [ 415.738811][ T4253] name failslab, interval 1, probability 0, space 0, times 0 [ 415.742034][ T4253] CPU: 0 PID: 4253 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 415.744033][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 415.746457][ T4253] Call trace: [ 415.747242][ T4253] dump_backtrace+0x1c8/0x1f4 [ 415.748400][ T4253] show_stack+0x2c/0x3c [ 415.749469][ T4253] dump_stack_lvl+0xc0/0x104 [ 415.750599][ T4253] dump_stack+0x1c/0x4c [ 415.751607][ T4253] should_fail_ex+0x1bc/0x1e0 [ 415.752683][ T4253] __should_failslab+0x64/0x78 [ 415.753822][ T4253] should_failslab+0x10/0x28 [ 415.754988][ T4253] __kmem_cache_alloc_node+0x6c/0x348 [ 415.756389][ T4253] __kmalloc+0x98/0xd8 [ 415.757419][ T4253] tomoyo_supervisor+0x700/0x888 [ 415.758718][ T4253] tomoyo_path_number_perm+0x200/0x2a8 [ 415.760168][ T4253] tomoyo_file_ioctl+0x2c/0x3c [ 415.761367][ T4253] security_file_ioctl+0x4c/0x8c [ 415.762614][ T4253] __arm64_sys_ioctl+0x5c/0x148 [ 415.763858][ T4253] invoke_syscall+0x64/0x178 [ 415.765039][ T4253] el0_svc_common+0xb8/0x174 [ 415.766288][ T4253] do_el0_svc+0x48/0x174 [ 415.767412][ T4253] el0_svc+0x34/0x110 [ 415.768441][ T4253] el0t_64_sync_handler+0x84/0xf0 [ 415.769728][ T4253] el0t_64_sync+0x18c/0x190 [ 415.897096][ T4253] block nbd0: shutting down sockets [ 415.978827][ T4255] FAULT_INJECTION: forcing a failure. [ 415.978827][ T4255] name failslab, interval 1, probability 0, space 0, times 0 [ 415.982055][ T4255] CPU: 1 PID: 4255 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 415.984214][ T4255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 415.986623][ T4255] Call trace: [ 415.987405][ T4255] dump_backtrace+0x1c8/0x1f4 [ 415.988660][ T4255] show_stack+0x2c/0x3c [ 415.989746][ T4255] dump_stack_lvl+0xc0/0x104 [ 415.990958][ T4255] dump_stack+0x1c/0x4c [ 415.991972][ T4255] should_fail_ex+0x1bc/0x1e0 [ 415.993178][ T4255] __should_failslab+0x64/0x78 [ 415.994383][ T4255] should_failslab+0x10/0x28 [ 415.995604][ T4255] __kmem_cache_alloc_node+0x6c/0x348 [ 415.996925][ T4255] __kmalloc+0x98/0xd8 [ 415.997969][ T4255] tomoyo_supervisor+0x700/0x888 [ 415.999220][ T4255] tomoyo_path_number_perm+0x200/0x2a8 [ 416.000589][ T4255] tomoyo_file_ioctl+0x2c/0x3c [ 416.001818][ T4255] security_file_ioctl+0x4c/0x8c [ 416.003116][ T4255] __arm64_sys_ioctl+0x5c/0x148 [ 416.004341][ T4255] invoke_syscall+0x64/0x178 [ 416.005542][ T4255] el0_svc_common+0xb8/0x174 [ 416.006738][ T4255] do_el0_svc+0x48/0x174 [ 416.007746][ T4255] el0_svc+0x34/0x110 [ 416.008786][ T4255] el0t_64_sync_handler+0x84/0xf0 [ 416.010118][ T4255] el0t_64_sync+0x18c/0x190 [ 416.136877][ T4255] block nbd0: shutting down sockets [ 416.244729][ T4257] FAULT_INJECTION: forcing a failure. [ 416.244729][ T4257] name failslab, interval 1, probability 0, space 0, times 0 [ 416.248208][ T4257] CPU: 0 PID: 4257 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 416.248512][ T4258] block nbd0: Device being setup by another task [ 416.250484][ T4257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 416.250491][ T4257] Call trace: [ 416.250493][ T4257] dump_backtrace+0x1c8/0x1f4 [ 416.256910][ T4257] show_stack+0x2c/0x3c [ 416.257982][ T4257] dump_stack_lvl+0xc0/0x104 [ 416.259224][ T4257] dump_stack+0x1c/0x4c [ 416.260296][ T4257] should_fail_ex+0x1bc/0x1e0 [ 416.261442][ T4257] __should_failslab+0x64/0x78 [ 416.262667][ T4257] should_failslab+0x10/0x28 [ 416.263850][ T4257] __kmem_cache_alloc_node+0x6c/0x348 [ 416.265232][ T4257] __kmalloc+0x98/0xd8 [ 416.266288][ T4257] tomoyo_supervisor+0x700/0x888 [ 416.267534][ T4257] tomoyo_path_number_perm+0x200/0x2a8 [ 416.268943][ T4257] tomoyo_file_ioctl+0x2c/0x3c [ 416.270181][ T4257] security_file_ioctl+0x4c/0x8c [ 416.271488][ T4257] __arm64_sys_ioctl+0x5c/0x148 [ 416.272807][ T4257] invoke_syscall+0x64/0x178 [ 416.274066][ T4257] el0_svc_common+0xb8/0x174 [ 416.275299][ T4257] do_el0_svc+0x48/0x174 [ 416.276424][ T4257] el0_svc+0x34/0x110 [ 416.277476][ T4257] el0t_64_sync_handler+0x84/0xf0 [ 416.278833][ T4257] el0t_64_sync+0x18c/0x190 [ 416.403661][ T4257] block nbd0: shutting down sockets [ 416.498863][ T4260] FAULT_INJECTION: forcing a failure. [ 416.498863][ T4260] name failslab, interval 1, probability 0, space 0, times 0 [ 416.502170][ T4260] CPU: 1 PID: 4260 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 416.504386][ T4260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 416.506725][ T4260] Call trace: [ 416.507606][ T4260] dump_backtrace+0x1c8/0x1f4 [ 416.508825][ T4260] show_stack+0x2c/0x3c [ 416.510006][ T4260] dump_stack_lvl+0xc0/0x104 [ 416.511167][ T4260] dump_stack+0x1c/0x4c [ 416.512208][ T4260] should_fail_ex+0x1bc/0x1e0 [ 416.513431][ T4260] __should_failslab+0x64/0x78 [ 416.514781][ T4260] should_failslab+0x10/0x28 [ 416.516061][ T4260] __kmem_cache_alloc_node+0x6c/0x348 [ 416.517487][ T4260] __kmalloc+0x98/0xd8 [ 416.518500][ T4260] tomoyo_supervisor+0x700/0x888 [ 416.519834][ T4260] tomoyo_path_number_perm+0x200/0x2a8 [ 416.521335][ T4260] tomoyo_file_ioctl+0x2c/0x3c [ 416.522628][ T4260] security_file_ioctl+0x4c/0x8c [ 416.523926][ T4260] __arm64_sys_ioctl+0x5c/0x148 [ 416.525248][ T4260] invoke_syscall+0x64/0x178 [ 416.526438][ T4260] el0_svc_common+0xb8/0x174 [ 416.527645][ T4260] do_el0_svc+0x48/0x174 [ 416.528833][ T4260] el0_svc+0x34/0x110 [ 416.529891][ T4260] el0t_64_sync_handler+0x84/0xf0 [ 416.531271][ T4260] el0t_64_sync+0x18c/0x190 [ 416.657226][ T4260] block nbd0: shutting down sockets [ 416.738854][ T4262] FAULT_INJECTION: forcing a failure. [ 416.738854][ T4262] name failslab, interval 1, probability 0, space 0, times 0 [ 416.741927][ T4262] CPU: 0 PID: 4262 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 416.744132][ T4262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 416.746694][ T4262] Call trace: [ 416.747553][ T4262] dump_backtrace+0x1c8/0x1f4 [ 416.748713][ T4262] show_stack+0x2c/0x3c [ 416.749728][ T4262] dump_stack_lvl+0xc0/0x104 [ 416.750848][ T4262] dump_stack+0x1c/0x4c [ 416.751953][ T4262] should_fail_ex+0x1bc/0x1e0 [ 416.753216][ T4262] __should_failslab+0x64/0x78 [ 416.754411][ T4262] should_failslab+0x10/0x28 [ 416.755563][ T4262] __kmem_cache_alloc_node+0x6c/0x348 [ 416.756940][ T4262] __kmalloc+0x98/0xd8 [ 416.757989][ T4262] tomoyo_supervisor+0x700/0x888 [ 416.759202][ T4262] tomoyo_path_number_perm+0x200/0x2a8 [ 416.760682][ T4262] tomoyo_file_ioctl+0x2c/0x3c [ 416.761940][ T4262] security_file_ioctl+0x4c/0x8c [ 416.763170][ T4262] __arm64_sys_ioctl+0x5c/0x148 [ 416.764338][ T4262] invoke_syscall+0x64/0x178 [ 416.765609][ T4262] el0_svc_common+0xb8/0x174 [ 416.766690][ T4262] do_el0_svc+0x48/0x174 [ 416.767794][ T4262] el0_svc+0x34/0x110 [ 416.768827][ T4262] el0t_64_sync_handler+0x84/0xf0 [ 416.770063][ T4262] el0t_64_sync+0x18c/0x190 [ 416.897034][ T4262] block nbd0: shutting down sockets [ 417.007734][ T4264] FAULT_INJECTION: forcing a failure. [ 417.007734][ T4264] name failslab, interval 1, probability 0, space 0, times 0 [ 417.008597][ T4265] block nbd0: Device being setup by another task [ 417.012715][ T4264] CPU: 1 PID: 4264 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 417.014777][ T4264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 417.017330][ T4264] Call trace: [ 417.018168][ T4264] dump_backtrace+0x1c8/0x1f4 [ 417.019385][ T4264] show_stack+0x2c/0x3c [ 417.020477][ T4264] dump_stack_lvl+0xc0/0x104 [ 417.021679][ T4264] dump_stack+0x1c/0x4c [ 417.022720][ T4264] should_fail_ex+0x1bc/0x1e0 [ 417.023893][ T4264] __should_failslab+0x64/0x78 [ 417.025088][ T4264] should_failslab+0x10/0x28 [ 417.026279][ T4264] __kmem_cache_alloc_node+0x6c/0x348 [ 417.027822][ T4264] __kmalloc+0x98/0xd8 [ 417.028822][ T4264] tomoyo_supervisor+0x700/0x888 [ 417.030114][ T4264] tomoyo_path_number_perm+0x200/0x2a8 [ 417.031599][ T4264] tomoyo_file_ioctl+0x2c/0x3c [ 417.032795][ T4264] security_file_ioctl+0x4c/0x8c [ 417.034018][ T4264] __arm64_sys_ioctl+0x5c/0x148 [ 417.035309][ T4264] invoke_syscall+0x64/0x178 [ 417.036540][ T4264] el0_svc_common+0xb8/0x174 [ 417.037776][ T4264] do_el0_svc+0x48/0x174 [ 417.038835][ T4264] el0_svc+0x34/0x110 [ 417.039842][ T4264] el0t_64_sync_handler+0x84/0xf0 [ 417.041231][ T4264] el0t_64_sync+0x18c/0x190 [ 417.166236][ T4264] block nbd0: shutting down sockets [ 417.275766][ T4267] FAULT_INJECTION: forcing a failure. [ 417.275766][ T4267] name failslab, interval 1, probability 0, space 0, times 0 [ 417.278509][ T4268] block nbd0: Device being setup by another task [ 417.279065][ T4267] CPU: 0 PID: 4267 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 417.282708][ T4267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 417.285065][ T4267] Call trace: [ 417.285810][ T4267] dump_backtrace+0x1c8/0x1f4 [ 417.286982][ T4267] show_stack+0x2c/0x3c [ 417.287961][ T4267] dump_stack_lvl+0xc0/0x104 [ 417.289138][ T4267] dump_stack+0x1c/0x4c [ 417.290219][ T4267] should_fail_ex+0x1bc/0x1e0 [ 417.291438][ T4267] __should_failslab+0x64/0x78 [ 417.292677][ T4267] should_failslab+0x10/0x28 [ 417.293878][ T4267] __kmem_cache_alloc_node+0x6c/0x348 [ 417.295266][ T4267] __kmalloc+0x98/0xd8 [ 417.296185][ T4267] tomoyo_supervisor+0x700/0x888 [ 417.297489][ T4267] tomoyo_path_number_perm+0x200/0x2a8 [ 417.298878][ T4267] tomoyo_file_ioctl+0x2c/0x3c [ 417.299992][ T4267] security_file_ioctl+0x4c/0x8c [ 417.301197][ T4267] __arm64_sys_ioctl+0x5c/0x148 [ 417.302533][ T4267] invoke_syscall+0x64/0x178 [ 417.303733][ T4267] el0_svc_common+0xb8/0x174 [ 417.304950][ T4267] do_el0_svc+0x48/0x174 [ 417.306081][ T4267] el0_svc+0x34/0x110 [ 417.307112][ T4267] el0t_64_sync_handler+0x84/0xf0 [ 417.308342][ T4267] el0t_64_sync+0x18c/0x190 [ 417.435114][ T4267] block nbd0: shutting down sockets [ 417.539962][ T4271] FAULT_INJECTION: forcing a failure. [ 417.539962][ T4271] name failslab, interval 1, probability 0, space 0, times 0 [ 417.543276][ T4271] CPU: 0 PID: 4271 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 417.545436][ T4271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 417.547964][ T4271] Call trace: [ 417.548761][ T4271] dump_backtrace+0x1c8/0x1f4 [ 417.549958][ T4271] show_stack+0x2c/0x3c [ 417.550913][ T4271] dump_stack_lvl+0xc0/0x104 [ 417.552123][ T4271] dump_stack+0x1c/0x4c [ 417.553222][ T4271] should_fail_ex+0x1bc/0x1e0 [ 417.554317][ T4271] __should_failslab+0x64/0x78 [ 417.555473][ T4271] should_failslab+0x10/0x28 [ 417.556632][ T4271] __kmem_cache_alloc_node+0x6c/0x348 [ 417.557921][ T4271] __kmalloc+0x98/0xd8 [ 417.558977][ T4271] tomoyo_supervisor+0x700/0x888 [ 417.560198][ T4271] tomoyo_path_number_perm+0x200/0x2a8 [ 417.561584][ T4271] tomoyo_file_ioctl+0x2c/0x3c [ 417.562797][ T4271] security_file_ioctl+0x4c/0x8c [ 417.564011][ T4271] __arm64_sys_ioctl+0x5c/0x148 [ 417.565184][ T4271] invoke_syscall+0x64/0x178 [ 417.566341][ T4271] el0_svc_common+0xb8/0x174 [ 417.567488][ T4271] do_el0_svc+0x48/0x174 [ 417.568593][ T4271] el0_svc+0x34/0x110 [ 417.569555][ T4271] el0t_64_sync_handler+0x84/0xf0 [ 417.570741][ T4271] el0t_64_sync+0x18c/0x190 [ 417.698151][ T4271] block nbd0: shutting down sockets [ 417.798529][ T4274] block nbd0: Device being setup by another task [ 417.800639][ T4273] FAULT_INJECTION: forcing a failure. [ 417.800639][ T4273] name failslab, interval 1, probability 0, space 0, times 0 [ 417.803710][ T4273] CPU: 1 PID: 4273 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 417.805698][ T4273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 417.808213][ T4273] Call trace: [ 417.809088][ T4273] dump_backtrace+0x1c8/0x1f4 [ 417.810191][ T4273] show_stack+0x2c/0x3c [ 417.811253][ T4273] dump_stack_lvl+0xc0/0x104 [ 417.812416][ T4273] dump_stack+0x1c/0x4c [ 417.813503][ T4273] should_fail_ex+0x1bc/0x1e0 [ 417.814790][ T4273] __should_failslab+0x64/0x78 [ 417.816040][ T4273] should_failslab+0x10/0x28 [ 417.817279][ T4273] __kmem_cache_alloc_node+0x6c/0x348 [ 417.818736][ T4273] __kmalloc+0x98/0xd8 [ 417.819743][ T4273] tomoyo_supervisor+0x700/0x888 [ 417.820983][ T4273] tomoyo_path_number_perm+0x200/0x2a8 [ 417.822340][ T4273] tomoyo_file_ioctl+0x2c/0x3c [ 417.823522][ T4273] security_file_ioctl+0x4c/0x8c [ 417.824796][ T4273] __arm64_sys_ioctl+0x5c/0x148 [ 417.826101][ T4273] invoke_syscall+0x64/0x178 [ 417.827312][ T4273] el0_svc_common+0xb8/0x174 [ 417.828567][ T4273] do_el0_svc+0x48/0x174 [ 417.829725][ T4273] el0_svc+0x34/0x110 [ 417.830842][ T4273] el0t_64_sync_handler+0x84/0xf0 [ 417.832174][ T4273] el0t_64_sync+0x18c/0x190 [ 417.958409][ T4273] block nbd0: shutting down sockets [ 418.038879][ T4276] FAULT_INJECTION: forcing a failure. [ 418.038879][ T4276] name failslab, interval 1, probability 0, space 0, times 0 [ 418.042167][ T4276] CPU: 1 PID: 4276 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 418.044270][ T4276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 418.046711][ T4276] Call trace: [ 418.047389][ T4276] dump_backtrace+0x1c8/0x1f4 [ 418.048495][ T4276] show_stack+0x2c/0x3c [ 418.049579][ T4276] dump_stack_lvl+0xc0/0x104 [ 418.050675][ T4276] dump_stack+0x1c/0x4c [ 418.051771][ T4276] should_fail_ex+0x1bc/0x1e0 [ 418.052974][ T4276] __should_failslab+0x64/0x78 [ 418.054106][ T4276] should_failslab+0x10/0x28 [ 418.055223][ T4276] __kmem_cache_alloc_node+0x6c/0x348 [ 418.056623][ T4276] __kmalloc+0x98/0xd8 [ 418.057645][ T4276] tomoyo_supervisor+0x700/0x888 [ 418.058930][ T4276] tomoyo_path_number_perm+0x200/0x2a8 [ 418.060314][ T4276] tomoyo_file_ioctl+0x2c/0x3c [ 418.061572][ T4276] security_file_ioctl+0x4c/0x8c [ 418.062741][ T4276] __arm64_sys_ioctl+0x5c/0x148 [ 418.063969][ T4276] invoke_syscall+0x64/0x178 [ 418.065222][ T4276] el0_svc_common+0xb8/0x174 [ 418.066388][ T4276] do_el0_svc+0x48/0x174 [ 418.067480][ T4276] el0_svc+0x34/0x110 [ 418.068448][ T4276] el0t_64_sync_handler+0x84/0xf0 [ 418.069673][ T4276] el0t_64_sync+0x18c/0x190 [ 418.197499][ T4276] block nbd0: shutting down sockets [ 418.288831][ T4278] FAULT_INJECTION: forcing a failure. [ 418.288831][ T4278] name failslab, interval 1, probability 0, space 0, times 0 [ 418.292018][ T4278] CPU: 1 PID: 4278 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 418.293993][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 418.296383][ T4278] Call trace: [ 418.297252][ T4278] dump_backtrace+0x1c8/0x1f4 [ 418.298331][ T4278] show_stack+0x2c/0x3c [ 418.299281][ T4278] dump_stack_lvl+0xc0/0x104 [ 418.300435][ T4278] dump_stack+0x1c/0x4c [ 418.301360][ T4278] should_fail_ex+0x1bc/0x1e0 [ 418.302574][ T4278] __should_failslab+0x64/0x78 [ 418.303751][ T4278] should_failslab+0x10/0x28 [ 418.304866][ T4278] __kmem_cache_alloc_node+0x6c/0x348 [ 418.306240][ T4278] __kmalloc+0x98/0xd8 [ 418.307267][ T4278] tomoyo_supervisor+0x700/0x888 [ 418.308631][ T4278] tomoyo_path_number_perm+0x200/0x2a8 [ 418.310008][ T4278] tomoyo_file_ioctl+0x2c/0x3c [ 418.311196][ T4278] security_file_ioctl+0x4c/0x8c [ 418.312405][ T4278] __arm64_sys_ioctl+0x5c/0x148 [ 418.313575][ T4278] invoke_syscall+0x64/0x178 [ 418.314755][ T4278] el0_svc_common+0xb8/0x174 [ 418.315866][ T4278] do_el0_svc+0x48/0x174 [ 418.316976][ T4278] el0_svc+0x34/0x110 [ 418.318028][ T4278] el0t_64_sync_handler+0x84/0xf0 [ 418.319454][ T4278] el0t_64_sync+0x18c/0x190 [ 418.447062][ T4278] block nbd0: shutting down sockets [ 418.528838][ T4280] FAULT_INJECTION: forcing a failure. [ 418.528838][ T4280] name failslab, interval 1, probability 0, space 0, times 0 [ 418.532125][ T4280] CPU: 0 PID: 4280 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 418.534073][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 418.536620][ T4280] Call trace: [ 418.537408][ T4280] dump_backtrace+0x1c8/0x1f4 [ 418.538629][ T4280] show_stack+0x2c/0x3c [ 418.539718][ T4280] dump_stack_lvl+0xc0/0x104 [ 418.540790][ T4280] dump_stack+0x1c/0x4c [ 418.541723][ T4280] should_fail_ex+0x1bc/0x1e0 [ 418.542873][ T4280] __should_failslab+0x64/0x78 [ 418.544128][ T4280] should_failslab+0x10/0x28 [ 418.545284][ T4280] __kmem_cache_alloc_node+0x6c/0x348 [ 418.546654][ T4280] __kmalloc+0x98/0xd8 [ 418.547723][ T4280] tomoyo_supervisor+0x700/0x888 [ 418.548899][ T4280] tomoyo_path_number_perm+0x200/0x2a8 [ 418.550249][ T4280] tomoyo_file_ioctl+0x2c/0x3c [ 418.551489][ T4280] security_file_ioctl+0x4c/0x8c [ 418.552668][ T4280] __arm64_sys_ioctl+0x5c/0x148 [ 418.553884][ T4280] invoke_syscall+0x64/0x178 [ 418.555050][ T4280] el0_svc_common+0xb8/0x174 [ 418.556187][ T4280] do_el0_svc+0x48/0x174 [ 418.557282][ T4280] el0_svc+0x34/0x110 [ 418.558301][ T4280] el0t_64_sync_handler+0x84/0xf0 [ 418.559631][ T4280] el0t_64_sync+0x18c/0x190 [ 418.687462][ T4280] block nbd0: shutting down sockets [ 418.795773][ T4282] FAULT_INJECTION: forcing a failure. [ 418.795773][ T4282] name failslab, interval 1, probability 0, space 0, times 0 [ 418.798499][ T4283] block nbd0: Device being setup by another task [ 418.799101][ T4282] CPU: 1 PID: 4282 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 418.802588][ T4282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 418.805081][ T4282] Call trace: [ 418.805892][ T4282] dump_backtrace+0x1c8/0x1f4 [ 418.807152][ T4282] show_stack+0x2c/0x3c [ 418.808175][ T4282] dump_stack_lvl+0xc0/0x104 [ 418.809387][ T4282] dump_stack+0x1c/0x4c [ 418.810442][ T4282] should_fail_ex+0x1bc/0x1e0 [ 418.811661][ T4282] __should_failslab+0x64/0x78 [ 418.812904][ T4282] should_failslab+0x10/0x28 [ 418.814117][ T4282] __kmem_cache_alloc_node+0x6c/0x348 [ 418.815481][ T4282] __kmalloc+0x98/0xd8 [ 418.816521][ T4282] tomoyo_supervisor+0x700/0x888 [ 418.817707][ T4282] tomoyo_path_number_perm+0x200/0x2a8 [ 418.819055][ T4282] tomoyo_file_ioctl+0x2c/0x3c [ 418.820362][ T4282] security_file_ioctl+0x4c/0x8c [ 418.821706][ T4282] __arm64_sys_ioctl+0x5c/0x148 [ 418.822951][ T4282] invoke_syscall+0x64/0x178 [ 418.824118][ T4282] el0_svc_common+0xb8/0x174 [ 418.825257][ T4282] do_el0_svc+0x48/0x174 [ 418.826377][ T4282] el0_svc+0x34/0x110 [ 418.827499][ T4282] el0t_64_sync_handler+0x84/0xf0 [ 418.828791][ T4282] el0t_64_sync+0x18c/0x190 [ 418.954494][ T4282] block nbd0: shutting down sockets [ 419.048818][ T4285] FAULT_INJECTION: forcing a failure. [ 419.048818][ T4285] name failslab, interval 1, probability 0, space 0, times 0 [ 419.052099][ T4285] CPU: 0 PID: 4285 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 419.054175][ T4285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 419.056721][ T4285] Call trace: [ 419.057471][ T4285] dump_backtrace+0x1c8/0x1f4 [ 419.058617][ T4285] show_stack+0x2c/0x3c [ 419.059762][ T4285] dump_stack_lvl+0xc0/0x104 [ 419.060901][ T4285] dump_stack+0x1c/0x4c [ 419.061937][ T4285] should_fail_ex+0x1bc/0x1e0 [ 419.063134][ T4285] __should_failslab+0x64/0x78 [ 419.064395][ T4285] should_failslab+0x10/0x28 [ 419.065566][ T4285] __kmem_cache_alloc_node+0x6c/0x348 [ 419.066958][ T4285] __kmalloc+0x98/0xd8 [ 419.067976][ T4285] tomoyo_supervisor+0x700/0x888 [ 419.069259][ T4285] tomoyo_path_number_perm+0x200/0x2a8 [ 419.070655][ T4285] tomoyo_file_ioctl+0x2c/0x3c [ 419.071983][ T4285] security_file_ioctl+0x4c/0x8c [ 419.073242][ T4285] __arm64_sys_ioctl+0x5c/0x148 [ 419.074447][ T4285] invoke_syscall+0x64/0x178 [ 419.075598][ T4285] el0_svc_common+0xb8/0x174 [ 419.076656][ T4285] do_el0_svc+0x48/0x174 [ 419.077767][ T4285] el0_svc+0x34/0x110 [ 419.078723][ T4285] el0t_64_sync_handler+0x84/0xf0 [ 419.079965][ T4285] el0t_64_sync+0x18c/0x190 [ 419.207483][ T4285] block nbd0: shutting down sockets [ 419.288839][ T4287] FAULT_INJECTION: forcing a failure. [ 419.288839][ T4287] name failslab, interval 1, probability 0, space 0, times 0 [ 419.291939][ T4287] CPU: 1 PID: 4287 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 419.294098][ T4287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 419.296664][ T4287] Call trace: [ 419.297448][ T4287] dump_backtrace+0x1c8/0x1f4 [ 419.298564][ T4287] show_stack+0x2c/0x3c [ 419.299556][ T4287] dump_stack_lvl+0xc0/0x104 [ 419.300678][ T4287] dump_stack+0x1c/0x4c [ 419.301751][ T4287] should_fail_ex+0x1bc/0x1e0 [ 419.302888][ T4287] __should_failslab+0x64/0x78 [ 419.304068][ T4287] should_failslab+0x10/0x28 [ 419.305285][ T4287] __kmem_cache_alloc_node+0x6c/0x348 [ 419.306673][ T4287] __kmalloc+0x98/0xd8 [ 419.307637][ T4287] tomoyo_supervisor+0x700/0x888 [ 419.308873][ T4287] tomoyo_path_number_perm+0x200/0x2a8 [ 419.310259][ T4287] tomoyo_file_ioctl+0x2c/0x3c [ 419.311582][ T4287] security_file_ioctl+0x4c/0x8c [ 419.312794][ T4287] __arm64_sys_ioctl+0x5c/0x148 [ 419.313930][ T4287] invoke_syscall+0x64/0x178 [ 419.315104][ T4287] el0_svc_common+0xb8/0x174 [ 419.316188][ T4287] do_el0_svc+0x48/0x174 [ 419.317234][ T4287] el0_svc+0x34/0x110 [ 419.318278][ T4287] el0t_64_sync_handler+0x84/0xf0 [ 419.319495][ T4287] el0t_64_sync+0x18c/0x190 [ 419.447250][ T4287] block nbd0: shutting down sockets [ 419.538833][ T4289] FAULT_INJECTION: forcing a failure. [ 419.538833][ T4289] name failslab, interval 1, probability 0, space 0, times 0 [ 419.541830][ T4289] CPU: 0 PID: 4289 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 419.544008][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 419.546525][ T4289] Call trace: [ 419.547319][ T4289] dump_backtrace+0x1c8/0x1f4 [ 419.548548][ T4289] show_stack+0x2c/0x3c [ 419.549671][ T4289] dump_stack_lvl+0xc0/0x104 [ 419.550839][ T4289] dump_stack+0x1c/0x4c [ 419.551944][ T4289] should_fail_ex+0x1bc/0x1e0 [ 419.553247][ T4289] __should_failslab+0x64/0x78 [ 419.554443][ T4289] should_failslab+0x10/0x28 [ 419.555584][ T4289] __kmem_cache_alloc_node+0x6c/0x348 [ 419.557006][ T4289] __kmalloc+0x98/0xd8 [ 419.557965][ T4289] tomoyo_supervisor+0x700/0x888 [ 419.559225][ T4289] tomoyo_path_number_perm+0x200/0x2a8 [ 419.560585][ T4289] tomoyo_file_ioctl+0x2c/0x3c [ 419.561700][ T4289] security_file_ioctl+0x4c/0x8c [ 419.562812][ T4289] __arm64_sys_ioctl+0x5c/0x148 [ 419.564012][ T4289] invoke_syscall+0x64/0x178 [ 419.565158][ T4289] el0_svc_common+0xb8/0x174 [ 419.566402][ T4289] do_el0_svc+0x48/0x174 [ 419.567386][ T4289] el0_svc+0x34/0x110 [ 419.568458][ T4289] el0t_64_sync_handler+0x84/0xf0 [ 419.569630][ T4289] el0t_64_sync+0x18c/0x190 [ 419.697035][ T4289] block nbd0: shutting down sockets [ 419.778872][ T4291] FAULT_INJECTION: forcing a failure. [ 419.778872][ T4291] name failslab, interval 1, probability 0, space 0, times 0 [ 419.781970][ T4291] CPU: 1 PID: 4291 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 419.784101][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 419.786673][ T4291] Call trace: [ 419.787444][ T4291] dump_backtrace+0x1c8/0x1f4 [ 419.788473][ T4291] show_stack+0x2c/0x3c [ 419.789588][ T4291] dump_stack_lvl+0xc0/0x104 [ 419.790762][ T4291] dump_stack+0x1c/0x4c [ 419.791791][ T4291] should_fail_ex+0x1bc/0x1e0 [ 419.793040][ T4291] __should_failslab+0x64/0x78 [ 419.794224][ T4291] should_failslab+0x10/0x28 [ 419.795406][ T4291] __kmem_cache_alloc_node+0x6c/0x348 [ 419.796862][ T4291] __kmalloc+0x98/0xd8 [ 419.797937][ T4291] tomoyo_supervisor+0x700/0x888 [ 419.799205][ T4291] tomoyo_path_number_perm+0x200/0x2a8 [ 419.800692][ T4291] tomoyo_file_ioctl+0x2c/0x3c [ 419.801961][ T4291] security_file_ioctl+0x4c/0x8c [ 419.803226][ T4291] __arm64_sys_ioctl+0x5c/0x148 [ 419.804414][ T4291] invoke_syscall+0x64/0x178 [ 419.805581][ T4291] el0_svc_common+0xb8/0x174 [ 419.806665][ T4291] do_el0_svc+0x48/0x174 [ 419.807756][ T4291] el0_svc+0x34/0x110 [ 419.808754][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 419.809947][ T4291] el0t_64_sync+0x18c/0x190 [ 419.937512][ T4291] block nbd0: shutting down sockets [ 420.018813][ T4293] FAULT_INJECTION: forcing a failure. [ 420.018813][ T4293] name failslab, interval 1, probability 0, space 0, times 0 [ 420.021995][ T4293] CPU: 1 PID: 4293 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 420.024148][ T4293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 420.026533][ T4293] Call trace: [ 420.027285][ T4293] dump_backtrace+0x1c8/0x1f4 [ 420.028404][ T4293] show_stack+0x2c/0x3c [ 420.029356][ T4293] dump_stack_lvl+0xc0/0x104 [ 420.030469][ T4293] dump_stack+0x1c/0x4c [ 420.031441][ T4293] should_fail_ex+0x1bc/0x1e0 [ 420.032672][ T4293] __should_failslab+0x64/0x78 [ 420.033773][ T4293] should_failslab+0x10/0x28 [ 420.034978][ T4293] slab_pre_alloc_hook+0x54/0x1f4 [ 420.036223][ T4293] kmem_cache_alloc_lru+0x60/0x2ac [ 420.037577][ T4293] alloc_inode+0x7c/0x104 [ 420.038663][ T4293] new_inode+0x2c/0xc0 [ 420.039755][ T4293] debugfs_create_dir+0x98/0x1e0 [ 420.041029][ T4293] nbd_start_device+0x1b4/0x510 [ 420.042268][ T4293] nbd_ioctl+0x228/0x66c [ 420.043333][ T4293] blkdev_ioctl+0x218/0x664 [ 420.044428][ T4293] __arm64_sys_ioctl+0xd0/0x148 [ 420.045730][ T4293] invoke_syscall+0x64/0x178 [ 420.046920][ T4293] el0_svc_common+0xb8/0x174 [ 420.048042][ T4293] do_el0_svc+0x48/0x174 [ 420.049134][ T4293] el0_svc+0x34/0x110 [ 420.050073][ T4293] el0t_64_sync_handler+0x84/0xf0 [ 420.051337][ T4293] el0t_64_sync+0x18c/0x190 [ 420.052651][ T4293] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.054544][ T4293] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.177132][ T4293] block nbd0: shutting down sockets [ 420.308521][ T4296] block nbd0: Device being setup by another task [ 420.350266][ T4295] FAULT_INJECTION: forcing a failure. [ 420.350266][ T4295] name failslab, interval 1, probability 0, space 0, times 0 [ 420.353669][ T4295] CPU: 1 PID: 4295 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 420.355803][ T4295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 420.358411][ T4295] Call trace: [ 420.359159][ T4295] dump_backtrace+0x1c8/0x1f4 [ 420.360258][ T4295] show_stack+0x2c/0x3c [ 420.361469][ T4295] dump_stack_lvl+0xc0/0x104 [ 420.362686][ T4295] dump_stack+0x1c/0x4c [ 420.363720][ T4295] should_fail_ex+0x1bc/0x1e0 [ 420.364926][ T4295] __should_failslab+0x64/0x78 [ 420.366143][ T4295] should_failslab+0x10/0x28 [ 420.367310][ T4295] __kmem_cache_alloc_node+0x6c/0x348 [ 420.368611][ T4295] __kmalloc_node_track_caller+0x84/0xc0 [ 420.370057][ T4295] kstrdup_const+0x90/0xdc [ 420.371176][ T4295] __kernfs_new_node+0x5c/0x2e8 [ 420.372425][ T4295] kernfs_create_dir_ns+0xac/0x188 [ 420.373675][ T4295] sysfs_create_dir_ns+0x8c/0x168 [ 420.374937][ T4295] kobject_add_internal+0x314/0x64c [ 420.376274][ T4295] kobject_add+0xb8/0x130 [ 420.377360][ T4295] blk_mq_register_hctx+0x54/0x184 [ 420.378615][ T4295] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 420.380005][ T4295] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 420.381499][ T4295] nbd_start_device+0xc4/0x510 [ 420.382549][ T4295] nbd_ioctl+0x228/0x66c [ 420.383669][ T4295] blkdev_ioctl+0x218/0x664 [ 420.384800][ T4295] __arm64_sys_ioctl+0xd0/0x148 [ 420.386058][ T4295] invoke_syscall+0x64/0x178 [ 420.387269][ T4295] el0_svc_common+0xb8/0x174 [ 420.388529][ T4295] do_el0_svc+0x48/0x174 [ 420.389624][ T4295] el0_svc+0x34/0x110 [ 420.390587][ T4295] el0t_64_sync_handler+0x84/0xf0 [ 420.391831][ T4295] el0t_64_sync+0x18c/0x190 [ 420.393030][ T4295] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 420.450003][ T4295] block nbd0: shutting down sockets [ 420.590060][ T4298] ------------[ cut here ]------------ [ 420.591606][ T4298] kernfs: can not remove 'nr_tags', no directory [ 420.593289][ T4298] WARNING: CPU: 0 PID: 4298 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.595800][ T4298] Modules linked in: [ 420.596832][ T4298] CPU: 0 PID: 4298 Comm: syz-executor133 Not tainted 6.1.111-syzkaller #0 [ 420.598876][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 420.601531][ T4298] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.603447][ T4298] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.604926][ T4298] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.606440][ T4298] sp : ffff80000df4bac0 [ 420.607547][ T4298] x29: ffff80000df4bac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 420.609310][ T4298] x26: ffff0000c6b0e108 x25: ffff80000df4bbe8 x24: ffff0000c66f6500 [ 420.611283][ T4298] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 420.613288][ T4298] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.615452][ T4298] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 420.617469][ T4298] x14: 0000000000000000 x13: 205d383932345420 x12: ffff80000d1a5000 [ 420.619450][ T4298] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dd92c9281f1b5000 [ 420.621524][ T4298] x8 : dd92c9281f1b5000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 420.623543][ T4298] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.625598][ T4298] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.627526][ T4298] Call trace: [ 420.628297][ T4298] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.629661][ T4298] sysfs_remove_group+0x68/0x160 [ 420.630906][ T4298] sysfs_remove_groups+0x3c/0x78 [ 420.632239][ T4298] __kobject_del+0x34/0x134 [ 420.633450][ T4298] kobject_del+0x2c/0x4c [ 420.634555][ T4298] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.636027][ T4298] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.637585][ T4298] nbd_start_device+0xc4/0x510 [ 420.638813][ T4298] nbd_ioctl+0x228/0x66c [ 420.639937][ T4298] blkdev_ioctl+0x218/0x664 [ 420.641184][ T4298] __arm64_sys_ioctl+0xd0/0x148 [ 420.642440][ T4298] invoke_syscall+0x64/0x178 [ 420.643674][ T4298] el0_svc_common+0xb8/0x174 [ 420.644928][ T4298] do_el0_svc+0x48/0x174 [ 420.646009][ T4298] el0_svc+0x34/0x110 [ 420.647027][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 420.648298][ T4298] el0t_64_sync+0x18c/0x190 [ 420.649535][ T4298] ---[ end trace 0000000000000000 ]--- [ 420.651179][ T4298] ------------[ cut here ]------------ [ 420.652570][ T4298] kernfs: can not remove 'nr_reserved_tags', no directory [ 420.654337][ T4298] WARNING: CPU: 0 PID: 4298 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.656838][ T4298] Modules linked in: [ 420.657634][ T4298] CPU: 0 PID: 4298 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 420.660013][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 420.662565][ T4298] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.664515][ T4298] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.666022][ T4298] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.667562][ T4298] sp : ffff80000df4bac0 [ 420.668585][ T4298] x29: ffff80000df4bac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 420.670621][ T4298] x26: ffff0000c6b0e108 x25: ffff80000df4bbe8 x24: ffff0000c66f6500 [ 420.672753][ T4298] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 420.674729][ T4298] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.676756][ T4298] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 420.678849][ T4298] x14: 0000000000000000 x13: 205d383932345420 x12: ffff80000d1a5000 [ 420.681066][ T4298] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dd92c9281f1b5000 [ 420.683154][ T4298] x8 : dd92c9281f1b5000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 420.685287][ T4298] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.687370][ T4298] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.689269][ T4298] Call trace: [ 420.690026][ T4298] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.691427][ T4298] sysfs_remove_group+0x68/0x160 [ 420.692706][ T4298] sysfs_remove_groups+0x3c/0x78 [ 420.693952][ T4298] __kobject_del+0x34/0x134 [ 420.695161][ T4298] kobject_del+0x2c/0x4c [ 420.696196][ T4298] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.697771][ T4298] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.699210][ T4298] nbd_start_device+0xc4/0x510 [ 420.700411][ T4298] nbd_ioctl+0x228/0x66c [ 420.701485][ T4298] blkdev_ioctl+0x218/0x664 [ 420.702612][ T4298] __arm64_sys_ioctl+0xd0/0x148 [ 420.703934][ T4298] invoke_syscall+0x64/0x178 [ 420.705106][ T4298] el0_svc_common+0xb8/0x174 [ 420.706359][ T4298] do_el0_svc+0x48/0x174 [ 420.707512][ T4298] el0_svc+0x34/0x110 [ 420.708538][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 420.709940][ T4298] el0t_64_sync+0x18c/0x190 [ 420.711033][ T4298] ---[ end trace 0000000000000000 ]--- [ 420.712471][ T4298] ------------[ cut here ]------------ [ 420.713835][ T4298] kernfs: can not remove 'cpu_list', no directory [ 420.715539][ T4298] WARNING: CPU: 0 PID: 4298 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.717811][ T4298] Modules linked in: [ 420.718808][ T4298] CPU: 0 PID: 4298 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 420.721336][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 420.723805][ T4298] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.725912][ T4298] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.727238][ T4298] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.728652][ T4298] sp : ffff80000df4bac0 [ 420.729748][ T4298] x29: ffff80000df4bac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 420.731749][ T4298] x26: ffff0000c6b0e108 x25: ffff80000df4bbe8 x24: ffff0000c66f6500 [ 420.733892][ T4298] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 420.735941][ T4298] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.737899][ T4298] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 420.739824][ T4298] x14: 0000000000000000 x13: 205d383932345420 x12: ffff80000d1a5000 [ 420.741808][ T4298] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dd92c9281f1b5000 [ 420.743825][ T4298] x8 : dd92c9281f1b5000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 420.746185][ T4298] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.748171][ T4298] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.750177][ T4298] Call trace: [ 420.751057][ T4298] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.752253][ T4298] sysfs_remove_group+0x68/0x160 [ 420.753515][ T4298] sysfs_remove_groups+0x3c/0x78 [ 420.754808][ T4298] __kobject_del+0x34/0x134 [ 420.756017][ T4298] kobject_del+0x2c/0x4c [ 420.757047][ T4298] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.758661][ T4298] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.760113][ T4298] nbd_start_device+0xc4/0x510 [ 420.761536][ T4298] nbd_ioctl+0x228/0x66c [ 420.762695][ T4298] blkdev_ioctl+0x218/0x664 [ 420.763876][ T4298] __arm64_sys_ioctl+0xd0/0x148 [ 420.765157][ T4298] invoke_syscall+0x64/0x178 [ 420.766292][ T4298] el0_svc_common+0xb8/0x174 [ 420.767490][ T4298] do_el0_svc+0x48/0x174 [ 420.768569][ T4298] el0_svc+0x34/0x110 [ 420.769586][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 420.771014][ T4298] el0t_64_sync+0x18c/0x190 [ 420.772253][ T4298] ---[ end trace 0000000000000000 ]--- [ 420.776156][ T4298] block nbd0: shutting down sockets [ 420.908508][ T4301] block nbd0: Device being setup by another task [ 420.950036][ T4300] FAULT_INJECTION: forcing a failure. [ 420.950036][ T4300] name failslab, interval 1, probability 0, space 0, times 0 [ 420.953299][ T4300] CPU: 0 PID: 4300 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 420.955838][ T4300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 420.958159][ T4300] Call trace: [ 420.959000][ T4300] dump_backtrace+0x1c8/0x1f4 [ 420.960125][ T4300] show_stack+0x2c/0x3c [ 420.961182][ T4300] dump_stack_lvl+0xc0/0x104 [ 420.962351][ T4300] dump_stack+0x1c/0x4c [ 420.963474][ T4300] should_fail_ex+0x1bc/0x1e0 [ 420.964760][ T4300] __should_failslab+0x64/0x78 [ 420.965870][ T4300] should_failslab+0x10/0x28 [ 420.966974][ T4300] __kmem_cache_alloc_node+0x6c/0x348 [ 420.968338][ T4300] __kmalloc_node_track_caller+0x84/0xc0 [ 420.969731][ T4300] kstrdup_const+0x90/0xdc [ 420.970854][ T4300] __kernfs_new_node+0x5c/0x2e8 [ 420.972197][ T4300] kernfs_create_dir_ns+0xac/0x188 [ 420.973486][ T4300] sysfs_create_dir_ns+0x8c/0x168 [ 420.974814][ T4300] kobject_add_internal+0x314/0x64c [ 420.976133][ T4300] kobject_add+0xb8/0x130 [ 420.977259][ T4300] blk_mq_register_hctx+0x54/0x184 [ 420.978618][ T4300] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 420.980101][ T4300] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 420.981455][ T4300] nbd_start_device+0xc4/0x510 [ 420.982783][ T4300] nbd_ioctl+0x228/0x66c [ 420.983864][ T4300] blkdev_ioctl+0x218/0x664 [ 420.984868][ T4300] __arm64_sys_ioctl+0xd0/0x148 [ 420.986070][ T4300] invoke_syscall+0x64/0x178 [ 420.987239][ T4300] el0_svc_common+0xb8/0x174 [ 420.988461][ T4300] do_el0_svc+0x48/0x174 [ 420.989559][ T4300] el0_svc+0x34/0x110 [ 420.990543][ T4300] el0t_64_sync_handler+0x84/0xf0 [ 420.991770][ T4300] el0t_64_sync+0x18c/0x190 [ 420.993013][ T4300] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 421.047112][ T4300] block nbd0: shutting down sockets [ 421.199839][ T4303] ------------[ cut here ]------------ [ 421.201456][ T4303] kernfs: can not remove 'nr_tags', no directory [ 421.203167][ T4303] WARNING: CPU: 1 PID: 4303 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.205535][ T4303] Modules linked in: [ 421.206549][ T4303] CPU: 1 PID: 4303 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 421.209026][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 421.211663][ T4303] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.213615][ T4303] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.215007][ T4303] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.216572][ T4303] sp : ffff80000dec3ac0 [ 421.217522][ T4303] x29: ffff80000dec3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 421.219590][ T4303] x26: ffff0000c6b0e108 x25: ffff80000dec3be8 x24: ffff0000cbcda980 [ 421.221639][ T4303] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 421.223688][ T4303] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.225613][ T4303] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 421.227715][ T4303] x14: 0000000000000000 x13: 205d333033345420 x12: ffff80000d1a5000 [ 421.229588][ T4303] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c6a52cf32ecd1700 [ 421.231656][ T4303] x8 : c6a52cf32ecd1700 x7 : 0000000000000000 x6 : ffff80000ae31c30 [ 421.233685][ T4303] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f4e68 [ 421.235728][ T4303] x2 : ffff0001fe9f4e68 x1 : ffff80000b9c8301 x0 : 0000000000000001 [ 421.237585][ T4303] Call trace: [ 421.238536][ T4303] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.239959][ T4303] sysfs_remove_group+0x68/0x160 [ 421.241217][ T4303] sysfs_remove_groups+0x3c/0x78 [ 421.242404][ T4303] __kobject_del+0x34/0x134 [ 421.243634][ T4303] kobject_del+0x2c/0x4c [ 421.244712][ T4303] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.246240][ T4303] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.247789][ T4303] nbd_start_device+0xc4/0x510 [ 421.249114][ T4303] nbd_ioctl+0x228/0x66c [ 421.250182][ T4303] blkdev_ioctl+0x218/0x664 [ 421.251425][ T4303] __arm64_sys_ioctl+0xd0/0x148 [ 421.252601][ T4303] invoke_syscall+0x64/0x178 [ 421.253790][ T4303] el0_svc_common+0xb8/0x174 [ 421.254992][ T4303] do_el0_svc+0x48/0x174 [ 421.256136][ T4303] el0_svc+0x34/0x110 [ 421.257147][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 421.258498][ T4303] el0t_64_sync+0x18c/0x190 [ 421.259604][ T4303] ---[ end trace 0000000000000000 ]--- [ 421.261482][ T4303] ------------[ cut here ]------------ [ 421.262852][ T4303] kernfs: can not remove 'nr_reserved_tags', no directory [ 421.264731][ T4303] WARNING: CPU: 1 PID: 4303 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.267053][ T4303] Modules linked in: [ 421.267853][ T4303] CPU: 1 PID: 4303 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 421.270266][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 421.272879][ T4303] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.274756][ T4303] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.276269][ T4303] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.277929][ T4303] sp : ffff80000dec3ac0 [ 421.278876][ T4303] x29: ffff80000dec3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 421.280858][ T4303] x26: ffff0000c6b0e108 x25: ffff80000dec3be8 x24: ffff0000cbcda980 [ 421.282896][ T4303] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 421.284839][ T4303] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.286883][ T4303] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 421.288996][ T4303] x14: 0000000000000000 x13: 205d333033345420 x12: ffff80000d1a5000 [ 421.291015][ T4303] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c6a52cf32ecd1700 [ 421.293135][ T4303] x8 : c6a52cf32ecd1700 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 421.295226][ T4303] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.297262][ T4303] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.299201][ T4303] Call trace: [ 421.300129][ T4303] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.301454][ T4303] sysfs_remove_group+0x68/0x160 [ 421.302682][ T4303] sysfs_remove_groups+0x3c/0x78 [ 421.303819][ T4303] __kobject_del+0x34/0x134 [ 421.304853][ T4303] kobject_del+0x2c/0x4c [ 421.305922][ T4303] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.307490][ T4303] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.308954][ T4303] nbd_start_device+0xc4/0x510 [ 421.310148][ T4303] nbd_ioctl+0x228/0x66c [ 421.311204][ T4303] blkdev_ioctl+0x218/0x664 [ 421.312294][ T4303] __arm64_sys_ioctl+0xd0/0x148 [ 421.313506][ T4303] invoke_syscall+0x64/0x178 [ 421.314620][ T4303] el0_svc_common+0xb8/0x174 [ 421.315745][ T4303] do_el0_svc+0x48/0x174 [ 421.316755][ T4303] el0_svc+0x34/0x110 [ 421.317779][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 421.319064][ T4303] el0t_64_sync+0x18c/0x190 [ 421.320199][ T4303] ---[ end trace 0000000000000000 ]--- [ 421.321595][ T4303] ------------[ cut here ]------------ [ 421.322833][ T4303] kernfs: can not remove 'cpu_list', no directory [ 421.324670][ T4303] WARNING: CPU: 1 PID: 4303 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.326894][ T4303] Modules linked in: [ 421.327816][ T4303] CPU: 1 PID: 4303 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 421.330217][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 421.332832][ T4303] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.334839][ T4303] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.336248][ T4303] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.337720][ T4303] sp : ffff80000dec3ac0 [ 421.338738][ T4303] x29: ffff80000dec3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 421.340790][ T4303] x26: ffff0000c6b0e108 x25: ffff80000dec3be8 x24: ffff0000cbcda980 [ 421.342966][ T4303] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 421.344836][ T4303] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.346866][ T4303] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 421.348982][ T4303] x14: 0000000000000000 x13: 205d333033345420 x12: ffff80000d1a5000 [ 421.351048][ T4303] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c6a52cf32ecd1700 [ 421.353098][ T4303] x8 : c6a52cf32ecd1700 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 421.355127][ T4303] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.357135][ T4303] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.359150][ T4303] Call trace: [ 421.360049][ T4303] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.361419][ T4303] sysfs_remove_group+0x68/0x160 [ 421.362685][ T4303] sysfs_remove_groups+0x3c/0x78 [ 421.363868][ T4303] __kobject_del+0x34/0x134 [ 421.365052][ T4303] kobject_del+0x2c/0x4c [ 421.366099][ T4303] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.367575][ T4303] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.369070][ T4303] nbd_start_device+0xc4/0x510 [ 421.370325][ T4303] nbd_ioctl+0x228/0x66c [ 421.371351][ T4303] blkdev_ioctl+0x218/0x664 [ 421.372589][ T4303] __arm64_sys_ioctl+0xd0/0x148 [ 421.373819][ T4303] invoke_syscall+0x64/0x178 [ 421.374918][ T4303] el0_svc_common+0xb8/0x174 [ 421.376075][ T4303] do_el0_svc+0x48/0x174 [ 421.377156][ T4303] el0_svc+0x34/0x110 [ 421.378138][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 421.379416][ T4303] el0t_64_sync+0x18c/0x190 [ 421.380519][ T4303] ---[ end trace 0000000000000000 ]--- [ 421.384528][ T4303] block nbd0: shutting down sockets [ 421.468743][ T4305] FAULT_INJECTION: forcing a failure. [ 421.468743][ T4305] name failslab, interval 1, probability 0, space 0, times 0 [ 421.471919][ T4305] CPU: 0 PID: 4305 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 421.474285][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 421.476704][ T4305] Call trace: [ 421.477563][ T4305] dump_backtrace+0x1c8/0x1f4 [ 421.478751][ T4305] show_stack+0x2c/0x3c [ 421.479731][ T4305] dump_stack_lvl+0xc0/0x104 [ 421.480880][ T4305] dump_stack+0x1c/0x4c [ 421.481927][ T4305] should_fail_ex+0x1bc/0x1e0 [ 421.483198][ T4305] __should_failslab+0x64/0x78 [ 421.484367][ T4305] should_failslab+0x10/0x28 [ 421.485483][ T4305] slab_pre_alloc_hook+0x54/0x1f4 [ 421.486788][ T4305] kmem_cache_alloc_lru+0x60/0x2ac [ 421.488142][ T4305] alloc_inode+0x7c/0x104 [ 421.489284][ T4305] new_inode+0x2c/0xc0 [ 421.490273][ T4305] debugfs_create_dir+0x98/0x1e0 [ 421.491605][ T4305] nbd_start_device+0x1b4/0x510 [ 421.492856][ T4305] nbd_ioctl+0x228/0x66c [ 421.494000][ T4305] blkdev_ioctl+0x218/0x664 [ 421.495125][ T4305] __arm64_sys_ioctl+0xd0/0x148 [ 421.496439][ T4305] invoke_syscall+0x64/0x178 [ 421.497525][ T4305] el0_svc_common+0xb8/0x174 [ 421.498728][ T4305] do_el0_svc+0x48/0x174 [ 421.499686][ T4305] el0_svc+0x34/0x110 [ 421.500684][ T4305] el0t_64_sync_handler+0x84/0xf0 [ 421.501930][ T4305] el0t_64_sync+0x18c/0x190 [ 421.503196][ T4305] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.505041][ T4305] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.627054][ T4305] block nbd0: shutting down sockets [ 421.708818][ T4307] FAULT_INJECTION: forcing a failure. [ 421.708818][ T4307] name failslab, interval 1, probability 0, space 0, times 0 [ 421.711933][ T4307] CPU: 0 PID: 4307 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 421.714271][ T4307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 421.716878][ T4307] Call trace: [ 421.717747][ T4307] dump_backtrace+0x1c8/0x1f4 [ 421.719102][ T4307] show_stack+0x2c/0x3c [ 421.720218][ T4307] dump_stack_lvl+0xc0/0x104 [ 421.721446][ T4307] dump_stack+0x1c/0x4c [ 421.722567][ T4307] should_fail_ex+0x1bc/0x1e0 [ 421.723806][ T4307] __should_failslab+0x64/0x78 [ 421.725158][ T4307] should_failslab+0x10/0x28 [ 421.726267][ T4307] slab_pre_alloc_hook+0x54/0x1f4 [ 421.727459][ T4307] kmem_cache_alloc_lru+0x60/0x2ac [ 421.728711][ T4307] alloc_inode+0x7c/0x104 [ 421.729820][ T4307] new_inode+0x2c/0xc0 [ 421.730764][ T4307] debugfs_create_dir+0x98/0x1e0 [ 421.731994][ T4307] nbd_start_device+0x1b4/0x510 [ 421.733299][ T4307] nbd_ioctl+0x228/0x66c [ 421.734477][ T4307] blkdev_ioctl+0x218/0x664 [ 421.735621][ T4307] __arm64_sys_ioctl+0xd0/0x148 [ 421.736856][ T4307] invoke_syscall+0x64/0x178 [ 421.738064][ T4307] el0_svc_common+0xb8/0x174 [ 421.739372][ T4307] do_el0_svc+0x48/0x174 [ 421.740464][ T4307] el0_svc+0x34/0x110 [ 421.741506][ T4307] el0t_64_sync_handler+0x84/0xf0 [ 421.742884][ T4307] el0t_64_sync+0x18c/0x190 [ 421.744105][ T4307] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.746074][ T4307] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.867378][ T4307] block nbd0: shutting down sockets [ 421.968748][ T4309] FAULT_INJECTION: forcing a failure. [ 421.968748][ T4309] name failslab, interval 1, probability 0, space 0, times 0 [ 421.971913][ T4309] CPU: 0 PID: 4309 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 421.974323][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 421.976730][ T4309] Call trace: [ 421.977518][ T4309] dump_backtrace+0x1c8/0x1f4 [ 421.978798][ T4309] show_stack+0x2c/0x3c [ 421.979903][ T4309] dump_stack_lvl+0xc0/0x104 [ 421.981121][ T4309] dump_stack+0x1c/0x4c [ 421.982187][ T4309] should_fail_ex+0x1bc/0x1e0 [ 421.983363][ T4309] __should_failslab+0x64/0x78 [ 421.984620][ T4309] should_failslab+0x10/0x28 [ 421.985761][ T4309] slab_pre_alloc_hook+0x54/0x1f4 [ 421.987044][ T4309] kmem_cache_alloc_lru+0x60/0x2ac [ 421.988405][ T4309] alloc_inode+0x7c/0x104 [ 421.989486][ T4309] new_inode+0x2c/0xc0 [ 421.990551][ T4309] debugfs_create_dir+0x98/0x1e0 [ 421.991765][ T4309] nbd_start_device+0x1b4/0x510 [ 421.992978][ T4309] nbd_ioctl+0x228/0x66c [ 421.994113][ T4309] blkdev_ioctl+0x218/0x664 [ 421.995340][ T4309] __arm64_sys_ioctl+0xd0/0x148 [ 421.996678][ T4309] invoke_syscall+0x64/0x178 [ 421.997843][ T4309] el0_svc_common+0xb8/0x174 [ 421.999055][ T4309] do_el0_svc+0x48/0x174 [ 422.000096][ T4309] el0_svc+0x34/0x110 [ 422.001112][ T4309] el0t_64_sync_handler+0x84/0xf0 [ 422.002469][ T4309] el0t_64_sync+0x18c/0x190 [ 422.003638][ T4309] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.005506][ T4309] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.126894][ T4309] block nbd0: shutting down sockets [ 422.208779][ T4311] FAULT_INJECTION: forcing a failure. [ 422.208779][ T4311] name failslab, interval 1, probability 0, space 0, times 0 [ 422.212161][ T4311] CPU: 0 PID: 4311 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 422.214712][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 422.217159][ T4311] Call trace: [ 422.217944][ T4311] dump_backtrace+0x1c8/0x1f4 [ 422.219126][ T4311] show_stack+0x2c/0x3c [ 422.220124][ T4311] dump_stack_lvl+0xc0/0x104 [ 422.221370][ T4311] dump_stack+0x1c/0x4c [ 422.222302][ T4311] should_fail_ex+0x1bc/0x1e0 [ 422.223593][ T4311] __should_failslab+0x64/0x78 [ 422.224880][ T4311] should_failslab+0x10/0x28 [ 422.226033][ T4311] slab_pre_alloc_hook+0x54/0x1f4 [ 422.227392][ T4311] kmem_cache_alloc_lru+0x60/0x2ac [ 422.228747][ T4311] alloc_inode+0x7c/0x104 [ 422.229917][ T4311] new_inode+0x2c/0xc0 [ 422.230933][ T4311] debugfs_create_dir+0x98/0x1e0 [ 422.232247][ T4311] nbd_start_device+0x1b4/0x510 [ 422.233552][ T4311] nbd_ioctl+0x228/0x66c [ 422.234581][ T4311] blkdev_ioctl+0x218/0x664 [ 422.235747][ T4311] __arm64_sys_ioctl+0xd0/0x148 [ 422.237054][ T4311] invoke_syscall+0x64/0x178 [ 422.238264][ T4311] el0_svc_common+0xb8/0x174 [ 422.239511][ T4311] do_el0_svc+0x48/0x174 [ 422.240570][ T4311] el0_svc+0x34/0x110 [ 422.241643][ T4311] el0t_64_sync_handler+0x84/0xf0 [ 422.242982][ T4311] el0t_64_sync+0x18c/0x190 [ 422.244713][ T4311] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.246579][ T4311] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.367129][ T4311] block nbd0: shutting down sockets [ 422.438777][ T4313] FAULT_INJECTION: forcing a failure. [ 422.438777][ T4313] name failslab, interval 1, probability 0, space 0, times 0 [ 422.441751][ T4313] CPU: 1 PID: 4313 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 422.444242][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 422.446647][ T4313] Call trace: [ 422.447434][ T4313] dump_backtrace+0x1c8/0x1f4 [ 422.448590][ T4313] show_stack+0x2c/0x3c [ 422.449674][ T4313] dump_stack_lvl+0xc0/0x104 [ 422.450859][ T4313] dump_stack+0x1c/0x4c [ 422.451972][ T4313] should_fail_ex+0x1bc/0x1e0 [ 422.453073][ T4313] __should_failslab+0x64/0x78 [ 422.454258][ T4313] should_failslab+0x10/0x28 [ 422.455319][ T4313] slab_pre_alloc_hook+0x54/0x1f4 [ 422.456635][ T4313] kmem_cache_alloc_lru+0x60/0x2ac [ 422.457923][ T4313] alloc_inode+0x7c/0x104 [ 422.458978][ T4313] new_inode+0x2c/0xc0 [ 422.459985][ T4313] debugfs_create_dir+0x98/0x1e0 [ 422.461204][ T4313] nbd_start_device+0x1b4/0x510 [ 422.462438][ T4313] nbd_ioctl+0x228/0x66c [ 422.463479][ T4313] blkdev_ioctl+0x218/0x664 [ 422.464641][ T4313] __arm64_sys_ioctl+0xd0/0x148 [ 422.465897][ T4313] invoke_syscall+0x64/0x178 [ 422.466955][ T4313] el0_svc_common+0xb8/0x174 [ 422.468059][ T4313] do_el0_svc+0x48/0x174 [ 422.469118][ T4313] el0_svc+0x34/0x110 [ 422.470200][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 422.471549][ T4313] el0t_64_sync+0x18c/0x190 [ 422.472681][ T4313] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.474629][ T4313] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.597489][ T4313] block nbd0: shutting down sockets [ 422.708614][ T4316] FAULT_INJECTION: forcing a failure. [ 422.708614][ T4316] name failslab, interval 1, probability 0, space 0, times 0 [ 422.711810][ T4316] CPU: 0 PID: 4316 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 422.714216][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 422.716598][ T4316] Call trace: [ 422.717382][ T4316] dump_backtrace+0x1c8/0x1f4 [ 422.718493][ T4316] show_stack+0x2c/0x3c [ 422.719622][ T4316] dump_stack_lvl+0xc0/0x104 [ 422.720822][ T4316] dump_stack+0x1c/0x4c [ 422.721867][ T4316] should_fail_ex+0x1bc/0x1e0 [ 422.723062][ T4316] __should_failslab+0x64/0x78 [ 422.724369][ T4316] should_failslab+0x10/0x28 [ 422.725471][ T4316] slab_pre_alloc_hook+0x54/0x1f4 [ 422.726742][ T4316] kmem_cache_alloc_lru+0x60/0x2ac [ 422.728030][ T4316] alloc_inode+0x7c/0x104 [ 422.729082][ T4316] new_inode+0x2c/0xc0 [ 422.730157][ T4316] debugfs_create_dir+0x98/0x1e0 [ 422.731481][ T4316] nbd_start_device+0x1b4/0x510 [ 422.732774][ T4316] nbd_ioctl+0x228/0x66c [ 422.733803][ T4316] blkdev_ioctl+0x218/0x664 [ 422.734956][ T4316] __arm64_sys_ioctl+0xd0/0x148 [ 422.736230][ T4316] invoke_syscall+0x64/0x178 [ 422.737338][ T4316] el0_svc_common+0xb8/0x174 [ 422.738552][ T4316] do_el0_svc+0x48/0x174 [ 422.739615][ T4316] el0_svc+0x34/0x110 [ 422.740598][ T4316] el0t_64_sync_handler+0x84/0xf0 [ 422.741932][ T4316] el0t_64_sync+0x18c/0x190 [ 422.743096][ T4316] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.745080][ T4316] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.848385][ T4316] block nbd0: shutting down sockets [ 422.938719][ T4318] FAULT_INJECTION: forcing a failure. [ 422.938719][ T4318] name failslab, interval 1, probability 0, space 0, times 0 [ 422.941892][ T4318] CPU: 0 PID: 4318 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 422.944392][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 422.946822][ T4318] Call trace: [ 422.947565][ T4318] dump_backtrace+0x1c8/0x1f4 [ 422.948738][ T4318] show_stack+0x2c/0x3c [ 422.949731][ T4318] dump_stack_lvl+0xc0/0x104 [ 422.950927][ T4318] dump_stack+0x1c/0x4c [ 422.951905][ T4318] should_fail_ex+0x1bc/0x1e0 [ 422.953042][ T4318] __should_failslab+0x64/0x78 [ 422.954291][ T4318] should_failslab+0x10/0x28 [ 422.955467][ T4318] slab_pre_alloc_hook+0x54/0x1f4 [ 422.956696][ T4318] kmem_cache_alloc_lru+0x60/0x2ac [ 422.958003][ T4318] alloc_inode+0x7c/0x104 [ 422.959098][ T4318] new_inode+0x2c/0xc0 [ 422.960228][ T4318] debugfs_create_dir+0x98/0x1e0 [ 422.961503][ T4318] nbd_start_device+0x1b4/0x510 [ 422.962788][ T4318] nbd_ioctl+0x228/0x66c [ 422.963800][ T4318] blkdev_ioctl+0x218/0x664 [ 422.964981][ T4318] __arm64_sys_ioctl+0xd0/0x148 [ 422.966277][ T4318] invoke_syscall+0x64/0x178 [ 422.967468][ T4318] el0_svc_common+0xb8/0x174 [ 422.968675][ T4318] do_el0_svc+0x48/0x174 [ 422.969718][ T4318] el0_svc+0x34/0x110 [ 422.970785][ T4318] el0t_64_sync_handler+0x84/0xf0 [ 422.972075][ T4318] el0t_64_sync+0x18c/0x190 [ 422.973366][ T4318] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.975407][ T4318] block nbd0: Failed to create debugfs dir for 'nbd0' [ 423.097605][ T4318] block nbd0: shutting down sockets [ 423.178781][ T4320] FAULT_INJECTION: forcing a failure. [ 423.178781][ T4320] name failslab, interval 1, probability 0, space 0, times 0 [ 423.181958][ T4320] CPU: 0 PID: 4320 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 423.184494][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 423.187063][ T4320] Call trace: [ 423.187866][ T4320] dump_backtrace+0x1c8/0x1f4 [ 423.189039][ T4320] show_stack+0x2c/0x3c [ 423.190129][ T4320] dump_stack_lvl+0xc0/0x104 [ 423.191332][ T4320] dump_stack+0x1c/0x4c [ 423.192387][ T4320] should_fail_ex+0x1bc/0x1e0 [ 423.193455][ T4320] __should_failslab+0x64/0x78 [ 423.194581][ T4320] should_failslab+0x10/0x28 [ 423.195747][ T4320] slab_pre_alloc_hook+0x54/0x1f4 [ 423.197058][ T4320] kmem_cache_alloc_lru+0x60/0x2ac [ 423.198336][ T4320] alloc_inode+0x7c/0x104 [ 423.199555][ T4320] new_inode+0x2c/0xc0 [ 423.200610][ T4320] debugfs_create_dir+0x98/0x1e0 [ 423.201902][ T4320] nbd_start_device+0x1b4/0x510 [ 423.203190][ T4320] nbd_ioctl+0x228/0x66c [ 423.204246][ T4320] blkdev_ioctl+0x218/0x664 [ 423.205244][ T4320] __arm64_sys_ioctl+0xd0/0x148 [ 423.206648][ T4320] invoke_syscall+0x64/0x178 [ 423.207765][ T4320] el0_svc_common+0xb8/0x174 [ 423.208816][ T4320] do_el0_svc+0x48/0x174 [ 423.209986][ T4320] el0_svc+0x34/0x110 [ 423.211006][ T4320] el0t_64_sync_handler+0x84/0xf0 [ 423.212272][ T4320] el0t_64_sync+0x18c/0x190 [ 423.213787][ T4320] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.215645][ T4320] block nbd0: Failed to create debugfs dir for 'nbd0' [ 423.336892][ T4320] block nbd0: shutting down sockets [ 423.428764][ T4322] FAULT_INJECTION: forcing a failure. [ 423.428764][ T4322] name failslab, interval 1, probability 0, space 0, times 0 [ 423.432031][ T4322] CPU: 1 PID: 4322 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 423.434360][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 423.436951][ T4322] Call trace: [ 423.437729][ T4322] dump_backtrace+0x1c8/0x1f4 [ 423.438941][ T4322] show_stack+0x2c/0x3c [ 423.440111][ T4322] dump_stack_lvl+0xc0/0x104 [ 423.441275][ T4322] dump_stack+0x1c/0x4c [ 423.442370][ T4322] should_fail_ex+0x1bc/0x1e0 [ 423.443489][ T4322] __should_failslab+0x64/0x78 [ 423.444668][ T4322] should_failslab+0x10/0x28 [ 423.445732][ T4322] slab_pre_alloc_hook+0x54/0x1f4 [ 423.447014][ T4322] kmem_cache_alloc_lru+0x60/0x2ac [ 423.448239][ T4322] alloc_inode+0x7c/0x104 [ 423.449386][ T4322] new_inode+0x2c/0xc0 [ 423.450416][ T4322] debugfs_create_dir+0x98/0x1e0 [ 423.451666][ T4322] nbd_start_device+0x1b4/0x510 [ 423.452908][ T4322] nbd_ioctl+0x228/0x66c [ 423.453941][ T4322] blkdev_ioctl+0x218/0x664 [ 423.455105][ T4322] __arm64_sys_ioctl+0xd0/0x148 [ 423.456352][ T4322] invoke_syscall+0x64/0x178 [ 423.457503][ T4322] el0_svc_common+0xb8/0x174 [ 423.458609][ T4322] do_el0_svc+0x48/0x174 [ 423.459647][ T4322] el0_svc+0x34/0x110 [ 423.460633][ T4322] el0t_64_sync_handler+0x84/0xf0 [ 423.461904][ T4322] el0t_64_sync+0x18c/0x190 [ 423.463134][ T4322] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.465136][ T4322] block nbd0: Failed to create debugfs dir for 'nbd0' [ 423.587580][ T4322] block nbd0: shutting down sockets [ 423.698510][ T4325] block nbd0: Device being setup by another task [ 423.740373][ T4324] FAULT_INJECTION: forcing a failure. [ 423.740373][ T4324] name failslab, interval 1, probability 0, space 0, times 0 [ 423.743789][ T4324] CPU: 0 PID: 4324 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 423.746225][ T4324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 423.748603][ T4324] Call trace: [ 423.749442][ T4324] dump_backtrace+0x1c8/0x1f4 [ 423.750621][ T4324] show_stack+0x2c/0x3c [ 423.751649][ T4324] dump_stack_lvl+0xc0/0x104 [ 423.752804][ T4324] dump_stack+0x1c/0x4c [ 423.753935][ T4324] should_fail_ex+0x1bc/0x1e0 [ 423.755267][ T4324] __should_failslab+0x64/0x78 [ 423.756542][ T4324] should_failslab+0x10/0x28 [ 423.757704][ T4324] __kmem_cache_alloc_node+0x6c/0x348 [ 423.759024][ T4324] __kmalloc_node_track_caller+0x84/0xc0 [ 423.760415][ T4324] kstrdup_const+0x90/0xdc [ 423.761403][ T4324] __kernfs_new_node+0x5c/0x2e8 [ 423.762528][ T4324] kernfs_create_dir_ns+0xac/0x188 [ 423.763838][ T4324] sysfs_create_dir_ns+0x8c/0x168 [ 423.765097][ T4324] kobject_add_internal+0x314/0x64c [ 423.766518][ T4324] kobject_add+0xb8/0x130 [ 423.767623][ T4324] blk_mq_register_hctx+0x54/0x184 [ 423.768861][ T4324] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 423.770277][ T4324] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 423.771656][ T4324] nbd_start_device+0xc4/0x510 [ 423.772879][ T4324] nbd_ioctl+0x228/0x66c [ 423.773895][ T4324] blkdev_ioctl+0x218/0x664 [ 423.775076][ T4324] __arm64_sys_ioctl+0xd0/0x148 [ 423.776281][ T4324] invoke_syscall+0x64/0x178 [ 423.777528][ T4324] el0_svc_common+0xb8/0x174 [ 423.778731][ T4324] do_el0_svc+0x48/0x174 [ 423.779739][ T4324] el0_svc+0x34/0x110 [ 423.780785][ T4324] el0t_64_sync_handler+0x84/0xf0 [ 423.781947][ T4324] el0t_64_sync+0x18c/0x190 [ 423.783111][ T4324] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 423.891922][ T4324] block nbd0: shutting down sockets [ 424.028531][ T4328] block nbd0: Device being setup by another task [ 424.030204][ T4327] FAULT_INJECTION: forcing a failure. [ 424.030204][ T4327] name failslab, interval 1, probability 0, space 0, times 0 [ 424.033463][ T4327] CPU: 0 PID: 4327 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 424.035766][ T4327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 424.038330][ T4327] Call trace: [ 424.039180][ T4327] dump_backtrace+0x1c8/0x1f4 [ 424.040357][ T4327] show_stack+0x2c/0x3c [ 424.041438][ T4327] dump_stack_lvl+0xc0/0x104 [ 424.042591][ T4327] dump_stack+0x1c/0x4c [ 424.043597][ T4327] should_fail_ex+0x1bc/0x1e0 [ 424.044779][ T4327] __should_failslab+0x64/0x78 [ 424.046037][ T4327] should_failslab+0x10/0x28 [ 424.047232][ T4327] slab_pre_alloc_hook+0x54/0x1f4 [ 424.048541][ T4327] kmem_cache_alloc_lru+0x60/0x2ac [ 424.049835][ T4327] alloc_inode+0x7c/0x104 [ 424.050864][ T4327] new_inode+0x2c/0xc0 [ 424.051887][ T4327] debugfs_create_dir+0x98/0x1e0 [ 424.053116][ T4327] nbd_start_device+0x1b4/0x510 [ 424.054381][ T4327] nbd_ioctl+0x228/0x66c [ 424.055535][ T4327] blkdev_ioctl+0x218/0x664 [ 424.056710][ T4327] __arm64_sys_ioctl+0xd0/0x148 [ 424.058046][ T4327] invoke_syscall+0x64/0x178 [ 424.059177][ T4327] el0_svc_common+0xb8/0x174 [ 424.060377][ T4327] do_el0_svc+0x48/0x174 [ 424.061508][ T4327] el0_svc+0x34/0x110 [ 424.062507][ T4327] el0t_64_sync_handler+0x84/0xf0 [ 424.063789][ T4327] el0t_64_sync+0x18c/0x190 [ 424.064962][ T4327] debugfs: out of free dentries, can not create directory 'nbd0' [ 424.066887][ T4327] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.161606][ T4327] block nbd0: shutting down sockets [ 424.298521][ T4331] block nbd0: Device being setup by another task [ 424.300241][ T4330] FAULT_INJECTION: forcing a failure. [ 424.300241][ T4330] name failslab, interval 1, probability 0, space 0, times 0 [ 424.303461][ T4330] CPU: 1 PID: 4330 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 424.305826][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 424.308508][ T4330] Call trace: [ 424.309289][ T4330] dump_backtrace+0x1c8/0x1f4 [ 424.310369][ T4330] show_stack+0x2c/0x3c [ 424.311351][ T4330] dump_stack_lvl+0xc0/0x104 [ 424.312449][ T4330] dump_stack+0x1c/0x4c [ 424.313491][ T4330] should_fail_ex+0x1bc/0x1e0 [ 424.314615][ T4330] __should_failslab+0x64/0x78 [ 424.315834][ T4330] should_failslab+0x10/0x28 [ 424.316938][ T4330] slab_pre_alloc_hook+0x54/0x1f4 [ 424.318252][ T4330] kmem_cache_alloc_lru+0x60/0x2ac [ 424.319550][ T4330] alloc_inode+0x7c/0x104 [ 424.320715][ T4330] new_inode+0x2c/0xc0 [ 424.321707][ T4330] debugfs_create_dir+0x98/0x1e0 [ 424.322924][ T4330] nbd_start_device+0x1b4/0x510 [ 424.324081][ T4330] nbd_ioctl+0x228/0x66c [ 424.325193][ T4330] blkdev_ioctl+0x218/0x664 [ 424.326375][ T4330] __arm64_sys_ioctl+0xd0/0x148 [ 424.327582][ T4330] invoke_syscall+0x64/0x178 [ 424.328748][ T4330] el0_svc_common+0xb8/0x174 [ 424.329928][ T4330] do_el0_svc+0x48/0x174 [ 424.330970][ T4330] el0_svc+0x34/0x110 [ 424.331939][ T4330] el0t_64_sync_handler+0x84/0xf0 [ 424.333219][ T4330] el0t_64_sync+0x18c/0x190 [ 424.334453][ T4330] debugfs: out of free dentries, can not create directory 'nbd0' [ 424.336350][ T4330] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.429939][ T4330] block nbd0: shutting down sockets [ 424.569876][ T4333] ------------[ cut here ]------------ [ 424.571390][ T4333] kernfs: can not remove 'nr_tags', no directory [ 424.573023][ T4333] WARNING: CPU: 0 PID: 4333 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 424.575450][ T4333] Modules linked in: [ 424.576335][ T4333] CPU: 0 PID: 4333 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 424.578900][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 424.581442][ T4333] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 424.583500][ T4333] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 424.584951][ T4333] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 424.586365][ T4333] sp : ffff80000ded3ac0 [ 424.587410][ T4333] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 424.589491][ T4333] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0001ffa58f80 [ 424.591419][ T4333] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 424.593545][ T4333] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 424.595699][ T4333] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 424.597727][ T4333] x14: 0000000000000000 x13: 205d333333345420 x12: ffff80000d1a5000 [ 424.599774][ T4333] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a160367ac00f5000 [ 424.601766][ T4333] x8 : a160367ac00f5000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 424.603701][ T4333] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 424.605696][ T4333] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 424.607687][ T4333] Call trace: [ 424.608502][ T4333] kernfs_remove_by_name_ns+0xb4/0x110 [ 424.609822][ T4333] sysfs_remove_group+0x68/0x160 [ 424.610996][ T4333] sysfs_remove_groups+0x3c/0x78 [ 424.612300][ T4333] __kobject_del+0x34/0x134 [ 424.613360][ T4333] kobject_del+0x2c/0x4c [ 424.614476][ T4333] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 424.615980][ T4333] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 424.617361][ T4333] nbd_start_device+0xc4/0x510 [ 424.618606][ T4333] nbd_ioctl+0x228/0x66c [ 424.619645][ T4333] blkdev_ioctl+0x218/0x664 [ 424.620816][ T4333] __arm64_sys_ioctl+0xd0/0x148 [ 424.622048][ T4333] invoke_syscall+0x64/0x178 [ 424.623280][ T4333] el0_svc_common+0xb8/0x174 [ 424.624477][ T4333] do_el0_svc+0x48/0x174 [ 424.625474][ T4333] el0_svc+0x34/0x110 [ 424.626589][ T4333] el0t_64_sync_handler+0x84/0xf0 [ 424.627868][ T4333] el0t_64_sync+0x18c/0x190 [ 424.629046][ T4333] ---[ end trace 0000000000000000 ]--- [ 424.630491][ T4333] ------------[ cut here ]------------ [ 424.631729][ T4333] kernfs: can not remove 'nr_reserved_tags', no directory [ 424.633549][ T4333] WARNING: CPU: 0 PID: 4333 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 424.636035][ T4333] Modules linked in: [ 424.636976][ T4333] CPU: 0 PID: 4333 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 424.639541][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 424.642113][ T4333] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 424.644078][ T4333] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 424.645478][ T4333] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 424.646845][ T4333] sp : ffff80000ded3ac0 [ 424.647818][ T4333] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 424.649619][ T4333] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0001ffa58f80 [ 424.651522][ T4333] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 424.653515][ T4333] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 424.655513][ T4333] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 424.657610][ T4333] x14: 0000000000000000 x13: 205d333333345420 x12: ffff80000d1a5000 [ 424.659737][ T4333] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a160367ac00f5000 [ 424.661861][ T4333] x8 : a160367ac00f5000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 424.663916][ T4333] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 424.665943][ T4333] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 424.668120][ T4333] Call trace: [ 424.668888][ T4333] kernfs_remove_by_name_ns+0xb4/0x110 [ 424.670366][ T4333] sysfs_remove_group+0x68/0x160 [ 424.671527][ T4333] sysfs_remove_groups+0x3c/0x78 [ 424.672810][ T4333] __kobject_del+0x34/0x134 [ 424.673997][ T4333] kobject_del+0x2c/0x4c [ 424.675132][ T4333] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 424.676636][ T4333] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 424.678047][ T4333] nbd_start_device+0xc4/0x510 [ 424.679191][ T4333] nbd_ioctl+0x228/0x66c [ 424.680275][ T4333] blkdev_ioctl+0x218/0x664 [ 424.681476][ T4333] __arm64_sys_ioctl+0xd0/0x148 [ 424.682640][ T4333] invoke_syscall+0x64/0x178 [ 424.683845][ T4333] el0_svc_common+0xb8/0x174 [ 424.684949][ T4333] do_el0_svc+0x48/0x174 [ 424.686068][ T4333] el0_svc+0x34/0x110 [ 424.687193][ T4333] el0t_64_sync_handler+0x84/0xf0 [ 424.688421][ T4333] el0t_64_sync+0x18c/0x190 [ 424.689592][ T4333] ---[ end trace 0000000000000000 ]--- [ 424.691092][ T4333] ------------[ cut here ]------------ [ 424.692453][ T4333] kernfs: can not remove 'cpu_list', no directory [ 424.694080][ T4333] WARNING: CPU: 0 PID: 4333 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 424.696563][ T4333] Modules linked in: [ 424.697480][ T4333] CPU: 0 PID: 4333 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 424.699966][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 424.702447][ T4333] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 424.704501][ T4333] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 424.705987][ T4333] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 424.707438][ T4333] sp : ffff80000ded3ac0 [ 424.708600][ T4333] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 424.710455][ T4333] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0001ffa58f80 [ 424.712451][ T4333] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 424.714512][ T4333] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 424.716558][ T4333] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 424.718549][ T4333] x14: 0000000000000000 x13: 205d333333345420 x12: ffff80000d1a5000 [ 424.720442][ T4333] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a160367ac00f5000 [ 424.722432][ T4333] x8 : a160367ac00f5000 x7 : 0000000000000000 x6 : ffff80000ae31c30 [ 424.724429][ T4333] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dce68 [ 424.726447][ T4333] x2 : ffff0001fe9dce68 x1 : ffff80000b9c8301 x0 : 0000000000000001 [ 424.728524][ T4333] Call trace: [ 424.729224][ T4333] kernfs_remove_by_name_ns+0xb4/0x110 [ 424.730690][ T4333] sysfs_remove_group+0x68/0x160 [ 424.731961][ T4333] sysfs_remove_groups+0x3c/0x78 [ 424.733244][ T4333] __kobject_del+0x34/0x134 [ 424.734377][ T4333] kobject_del+0x2c/0x4c [ 424.735361][ T4333] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 424.736840][ T4333] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 424.738231][ T4333] nbd_start_device+0xc4/0x510 [ 424.739434][ T4333] nbd_ioctl+0x228/0x66c [ 424.740472][ T4333] blkdev_ioctl+0x218/0x664 [ 424.741641][ T4333] __arm64_sys_ioctl+0xd0/0x148 [ 424.742825][ T4333] invoke_syscall+0x64/0x178 [ 424.743972][ T4333] el0_svc_common+0xb8/0x174 [ 424.745106][ T4333] do_el0_svc+0x48/0x174 [ 424.746213][ T4333] el0_svc+0x34/0x110 [ 424.747144][ T4333] el0t_64_sync_handler+0x84/0xf0 [ 424.748549][ T4333] el0t_64_sync+0x18c/0x190 [ 424.749648][ T4333] ---[ end trace 0000000000000000 ]--- [ 424.752472][ T4333] block nbd0: shutting down sockets [ 424.888546][ T4336] block nbd0: Device being setup by another task [ 424.930739][ T4335] FAULT_INJECTION: forcing a failure. [ 424.930739][ T4335] name failslab, interval 1, probability 0, space 0, times 0 [ 424.933968][ T4335] CPU: 1 PID: 4335 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 424.936266][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 424.938747][ T4335] Call trace: [ 424.939511][ T4335] dump_backtrace+0x1c8/0x1f4 [ 424.940756][ T4335] show_stack+0x2c/0x3c [ 424.941773][ T4335] dump_stack_lvl+0xc0/0x104 [ 424.942894][ T4335] dump_stack+0x1c/0x4c [ 424.943983][ T4335] should_fail_ex+0x1bc/0x1e0 [ 424.945154][ T4335] __should_failslab+0x64/0x78 [ 424.946415][ T4335] should_failslab+0x10/0x28 [ 424.947589][ T4335] __kmem_cache_alloc_node+0x6c/0x348 [ 424.948981][ T4335] __kmalloc_node_track_caller+0x84/0xc0 [ 424.950434][ T4335] kstrdup_const+0x90/0xdc [ 424.951577][ T4335] __kernfs_new_node+0x5c/0x2e8 [ 424.952900][ T4335] kernfs_create_dir_ns+0xac/0x188 [ 424.954200][ T4335] sysfs_create_dir_ns+0x8c/0x168 [ 424.955530][ T4335] kobject_add_internal+0x314/0x64c [ 424.956771][ T4335] kobject_add+0xb8/0x130 [ 424.957788][ T4335] blk_mq_register_hctx+0x54/0x184 [ 424.959105][ T4335] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 424.960504][ T4335] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 424.962059][ T4335] nbd_start_device+0xc4/0x510 [ 424.963234][ T4335] nbd_ioctl+0x228/0x66c [ 424.964221][ T4335] blkdev_ioctl+0x218/0x664 [ 424.965400][ T4335] __arm64_sys_ioctl+0xd0/0x148 [ 424.966504][ T4335] invoke_syscall+0x64/0x178 [ 424.967534][ T4335] el0_svc_common+0xb8/0x174 [ 424.968746][ T4335] do_el0_svc+0x48/0x174 [ 424.969863][ T4335] el0_svc+0x34/0x110 [ 424.970860][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 424.972166][ T4335] el0t_64_sync+0x18c/0x190 [ 424.973428][ T4335] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 425.025101][ T4335] block nbd0: shutting down sockets [ 425.190050][ T4338] ------------[ cut here ]------------ [ 425.191448][ T4338] kernfs: can not remove 'nr_tags', no directory [ 425.193005][ T4338] WARNING: CPU: 1 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.195323][ T4338] Modules linked in: [ 425.196088][ T4338] CPU: 1 PID: 4338 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.198538][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.201009][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.202917][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.204447][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.205927][ T4338] sp : ffff80000df5bac0 [ 425.206981][ T4338] x29: ffff80000df5bac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 425.209102][ T4338] x26: ffff0000c6b0e108 x25: ffff80000df5bbe8 x24: ffff0001ffa62f80 [ 425.211029][ T4338] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 425.212913][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.214923][ T4338] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 425.216870][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1a5000 [ 425.218904][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a00e44b50b207000 [ 425.221088][ T4338] x8 : a00e44b50b207000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 425.223040][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.224966][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.227053][ T4338] Call trace: [ 425.227846][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.229210][ T4338] sysfs_remove_group+0x68/0x160 [ 425.230497][ T4338] sysfs_remove_groups+0x3c/0x78 [ 425.231681][ T4338] __kobject_del+0x34/0x134 [ 425.232735][ T4338] kobject_del+0x2c/0x4c [ 425.233848][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.235465][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.236924][ T4338] nbd_start_device+0xc4/0x510 [ 425.238121][ T4338] nbd_ioctl+0x228/0x66c [ 425.239143][ T4338] blkdev_ioctl+0x218/0x664 [ 425.240290][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 425.241571][ T4338] invoke_syscall+0x64/0x178 [ 425.242719][ T4338] el0_svc_common+0xb8/0x174 [ 425.243858][ T4338] do_el0_svc+0x48/0x174 [ 425.244954][ T4338] el0_svc+0x34/0x110 [ 425.245967][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 425.247268][ T4338] el0t_64_sync+0x18c/0x190 [ 425.248400][ T4338] ---[ end trace 0000000000000000 ]--- [ 425.249755][ T4338] ------------[ cut here ]------------ [ 425.250850][ T4338] kernfs: can not remove 'nr_reserved_tags', no directory [ 425.252654][ T4338] WARNING: CPU: 1 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.254974][ T4338] Modules linked in: [ 425.255956][ T4338] CPU: 1 PID: 4338 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.258353][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.261004][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.263104][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.264582][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.265963][ T4338] sp : ffff80000df5bac0 [ 425.266992][ T4338] x29: ffff80000df5bac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 425.269020][ T4338] x26: ffff0000c6b0e108 x25: ffff80000df5bbe8 x24: ffff0001ffa62f80 [ 425.271007][ T4338] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 425.272935][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.274909][ T4338] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 425.276987][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1a5000 [ 425.279010][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a00e44b50b207000 [ 425.281032][ T4338] x8 : a00e44b50b207000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 425.282943][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.285070][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.287156][ T4338] Call trace: [ 425.287958][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.289400][ T4338] sysfs_remove_group+0x68/0x160 [ 425.290682][ T4338] sysfs_remove_groups+0x3c/0x78 [ 425.291922][ T4338] __kobject_del+0x34/0x134 [ 425.293177][ T4338] kobject_del+0x2c/0x4c [ 425.294142][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.295674][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.297141][ T4338] nbd_start_device+0xc4/0x510 [ 425.298437][ T4338] nbd_ioctl+0x228/0x66c [ 425.299437][ T4338] blkdev_ioctl+0x218/0x664 [ 425.300494][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 425.301797][ T4338] invoke_syscall+0x64/0x178 [ 425.303069][ T4338] el0_svc_common+0xb8/0x174 [ 425.304224][ T4338] do_el0_svc+0x48/0x174 [ 425.305315][ T4338] el0_svc+0x34/0x110 [ 425.306318][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 425.307648][ T4338] el0t_64_sync+0x18c/0x190 [ 425.308762][ T4338] ---[ end trace 0000000000000000 ]--- [ 425.310163][ T4338] ------------[ cut here ]------------ [ 425.311527][ T4338] kernfs: can not remove 'cpu_list', no directory [ 425.313249][ T4338] WARNING: CPU: 1 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.315491][ T4338] Modules linked in: [ 425.316296][ T4338] CPU: 1 PID: 4338 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.318655][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.321166][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.323179][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.324506][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.325920][ T4338] sp : ffff80000df5bac0 [ 425.326966][ T4338] x29: ffff80000df5bac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 425.328936][ T4338] x26: ffff0000c6b0e108 x25: ffff80000df5bbe8 x24: ffff0001ffa62f80 [ 425.331013][ T4338] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 425.333044][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.335047][ T4338] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 425.337102][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1a5000 [ 425.339116][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a00e44b50b207000 [ 425.341241][ T4338] x8 : a00e44b50b207000 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 425.343231][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.345069][ T4338] x2 : ffff0001fe9e9ba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.347054][ T4338] Call trace: [ 425.347878][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.349330][ T4338] sysfs_remove_group+0x68/0x160 [ 425.350589][ T4338] sysfs_remove_groups+0x3c/0x78 [ 425.351869][ T4338] __kobject_del+0x34/0x134 [ 425.353079][ T4338] kobject_del+0x2c/0x4c [ 425.354198][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.355781][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.357331][ T4338] nbd_start_device+0xc4/0x510 [ 425.358557][ T4338] nbd_ioctl+0x228/0x66c [ 425.359612][ T4338] blkdev_ioctl+0x218/0x664 [ 425.360732][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 425.361929][ T4338] invoke_syscall+0x64/0x178 [ 425.363085][ T4338] el0_svc_common+0xb8/0x174 [ 425.364292][ T4338] do_el0_svc+0x48/0x174 [ 425.365386][ T4338] el0_svc+0x34/0x110 [ 425.366389][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 425.367650][ T4338] el0t_64_sync+0x18c/0x190 [ 425.368827][ T4338] ---[ end trace 0000000000000000 ]--- [ 425.371784][ T4338] block nbd0: shutting down sockets [ 425.498497][ T4341] block nbd0: Device being setup by another task [ 425.540722][ T4340] FAULT_INJECTION: forcing a failure. [ 425.540722][ T4340] name failslab, interval 1, probability 0, space 0, times 0 [ 425.543982][ T4340] CPU: 0 PID: 4340 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.546447][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.548800][ T4340] Call trace: [ 425.549494][ T4340] dump_backtrace+0x1c8/0x1f4 [ 425.550691][ T4340] show_stack+0x2c/0x3c [ 425.551651][ T4340] dump_stack_lvl+0xc0/0x104 [ 425.552826][ T4340] dump_stack+0x1c/0x4c [ 425.553670][ T4340] should_fail_ex+0x1bc/0x1e0 [ 425.554825][ T4340] __should_failslab+0x64/0x78 [ 425.556027][ T4340] should_failslab+0x10/0x28 [ 425.557204][ T4340] __kmem_cache_alloc_node+0x6c/0x348 [ 425.558490][ T4340] __kmalloc_node_track_caller+0x84/0xc0 [ 425.559789][ T4340] kstrdup_const+0x90/0xdc [ 425.560860][ T4340] __kernfs_new_node+0x5c/0x2e8 [ 425.562068][ T4340] kernfs_create_dir_ns+0xac/0x188 [ 425.563325][ T4340] sysfs_create_dir_ns+0x8c/0x168 [ 425.564646][ T4340] kobject_add_internal+0x314/0x64c [ 425.565995][ T4340] kobject_add+0xb8/0x130 [ 425.567093][ T4340] blk_mq_register_hctx+0x54/0x184 [ 425.568309][ T4340] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 425.569675][ T4340] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 425.571014][ T4340] nbd_start_device+0xc4/0x510 [ 425.572174][ T4340] nbd_ioctl+0x228/0x66c [ 425.573216][ T4340] blkdev_ioctl+0x218/0x664 [ 425.574375][ T4340] __arm64_sys_ioctl+0xd0/0x148 [ 425.575501][ T4340] invoke_syscall+0x64/0x178 [ 425.576567][ T4340] el0_svc_common+0xb8/0x174 [ 425.577736][ T4340] do_el0_svc+0x48/0x174 [ 425.578790][ T4340] el0_svc+0x34/0x110 [ 425.579870][ T4340] el0t_64_sync_handler+0x84/0xf0 [ 425.581135][ T4340] el0t_64_sync+0x18c/0x190 [ 425.582293][ T4340] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 425.640963][ T4340] block nbd0: shutting down sockets [ 425.790018][ T4343] ------------[ cut here ]------------ [ 425.791474][ T4343] kernfs: can not remove 'nr_tags', no directory [ 425.793182][ T4343] WARNING: CPU: 1 PID: 4343 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.795592][ T4343] Modules linked in: [ 425.796573][ T4343] CPU: 1 PID: 4343 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.799246][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.801766][ T4343] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.803624][ T4343] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.805077][ T4343] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.806497][ T4343] sp : ffff80000ded3ac0 [ 425.807495][ T4343] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 425.809431][ T4343] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0001ffa6cf80 [ 425.811611][ T4343] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 425.813616][ T4343] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.815617][ T4343] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 425.817602][ T4343] x14: 0000000000000000 x13: 205d333433345420 x12: ffff80000d1a5000 [ 425.819633][ T4343] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c205b92a438f1b00 [ 425.821836][ T4343] x8 : c205b92a438f1b00 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 425.823948][ T4343] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.826115][ T4343] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.828176][ T4343] Call trace: [ 425.829034][ T4343] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.830438][ T4343] sysfs_remove_group+0x68/0x160 [ 425.831722][ T4343] sysfs_remove_groups+0x3c/0x78 [ 425.833095][ T4343] __kobject_del+0x34/0x134 [ 425.834431][ T4343] kobject_del+0x2c/0x4c [ 425.835547][ T4343] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.837024][ T4343] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.838505][ T4343] nbd_start_device+0xc4/0x510 [ 425.839802][ T4343] nbd_ioctl+0x228/0x66c [ 425.840892][ T4343] blkdev_ioctl+0x218/0x664 [ 425.842148][ T4343] __arm64_sys_ioctl+0xd0/0x148 [ 425.843565][ T4343] invoke_syscall+0x64/0x178 [ 425.844785][ T4343] el0_svc_common+0xb8/0x174 [ 425.846024][ T4343] do_el0_svc+0x48/0x174 [ 425.847219][ T4343] el0_svc+0x34/0x110 [ 425.848249][ T4343] el0t_64_sync_handler+0x84/0xf0 [ 425.849606][ T4343] el0t_64_sync+0x18c/0x190 [ 425.850739][ T4343] ---[ end trace 0000000000000000 ]--- [ 425.852091][ T4343] ------------[ cut here ]------------ [ 425.853399][ T4343] kernfs: can not remove 'nr_reserved_tags', no directory [ 425.855192][ T4343] WARNING: CPU: 1 PID: 4343 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.857467][ T4343] Modules linked in: [ 425.858447][ T4343] CPU: 1 PID: 4343 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.861086][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.863591][ T4343] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.865517][ T4343] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.866954][ T4343] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.868376][ T4343] sp : ffff80000ded3ac0 [ 425.869272][ T4343] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 425.871193][ T4343] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0001ffa6cf80 [ 425.873241][ T4343] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 425.875292][ T4343] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.877373][ T4343] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 425.879525][ T4343] x14: 0000000000000000 x13: 205d333433345420 x12: ffff80000d1a5000 [ 425.881640][ T4343] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c205b92a438f1b00 [ 425.883745][ T4343] x8 : c205b92a438f1b00 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 425.885927][ T4343] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.887745][ T4343] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.889777][ T4343] Call trace: [ 425.890623][ T4343] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.892071][ T4343] sysfs_remove_group+0x68/0x160 [ 425.893222][ T4343] sysfs_remove_groups+0x3c/0x78 [ 425.894415][ T4343] __kobject_del+0x34/0x134 [ 425.895705][ T4343] kobject_del+0x2c/0x4c [ 425.896762][ T4343] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.898308][ T4343] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.899703][ T4343] nbd_start_device+0xc4/0x510 [ 425.900801][ T4343] nbd_ioctl+0x228/0x66c [ 425.901876][ T4343] blkdev_ioctl+0x218/0x664 [ 425.902974][ T4343] __arm64_sys_ioctl+0xd0/0x148 [ 425.904140][ T4343] invoke_syscall+0x64/0x178 [ 425.905321][ T4343] el0_svc_common+0xb8/0x174 [ 425.906560][ T4343] do_el0_svc+0x48/0x174 [ 425.907592][ T4343] el0_svc+0x34/0x110 [ 425.908613][ T4343] el0t_64_sync_handler+0x84/0xf0 [ 425.909855][ T4343] el0t_64_sync+0x18c/0x190 [ 425.911056][ T4343] ---[ end trace 0000000000000000 ]--- [ 425.912535][ T4343] ------------[ cut here ]------------ [ 425.913786][ T4343] kernfs: can not remove 'cpu_list', no directory [ 425.915438][ T4343] WARNING: CPU: 1 PID: 4343 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 425.917799][ T4343] Modules linked in: [ 425.918782][ T4343] CPU: 1 PID: 4343 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 425.921155][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 425.923560][ T4343] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 425.925496][ T4343] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 425.926818][ T4343] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 425.928185][ T4343] sp : ffff80000ded3ac0 [ 425.929139][ T4343] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 425.931087][ T4343] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0001ffa6cf80 [ 425.933004][ T4343] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 425.935112][ T4343] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 425.937131][ T4343] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 425.939001][ T4343] x14: 0000000000000000 x13: 205d333433345420 x12: ffff80000d1a5000 [ 425.940940][ T4343] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c205b92a438f1b00 [ 425.943016][ T4343] x8 : c205b92a438f1b00 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 425.945118][ T4343] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 425.947125][ T4343] x2 : ffff0001fe9e9ba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 425.949160][ T4343] Call trace: [ 425.950024][ T4343] kernfs_remove_by_name_ns+0xb4/0x110 [ 425.951479][ T4343] sysfs_remove_group+0x68/0x160 [ 425.952824][ T4343] sysfs_remove_groups+0x3c/0x78 [ 425.953957][ T4343] __kobject_del+0x34/0x134 [ 425.955135][ T4343] kobject_del+0x2c/0x4c [ 425.956099][ T4343] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 425.957688][ T4343] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 425.958955][ T4343] nbd_start_device+0xc4/0x510 [ 425.960229][ T4343] nbd_ioctl+0x228/0x66c [ 425.961289][ T4343] blkdev_ioctl+0x218/0x664 [ 425.962368][ T4343] __arm64_sys_ioctl+0xd0/0x148 [ 425.963553][ T4343] invoke_syscall+0x64/0x178 [ 425.964592][ T4343] el0_svc_common+0xb8/0x174 [ 425.965726][ T4343] do_el0_svc+0x48/0x174 [ 425.966898][ T4343] el0_svc+0x34/0x110 [ 425.967881][ T4343] el0t_64_sync_handler+0x84/0xf0 [ 425.969180][ T4343] el0t_64_sync+0x18c/0x190 [ 425.970276][ T4343] ---[ end trace 0000000000000000 ]--- [ 425.973922][ T4343] block nbd0: shutting down sockets [ 426.098526][ T4346] block nbd0: Device being setup by another task [ 426.150422][ T4345] FAULT_INJECTION: forcing a failure. [ 426.150422][ T4345] name failslab, interval 1, probability 0, space 0, times 0 [ 426.153453][ T4345] CPU: 1 PID: 4345 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 426.155974][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 426.158473][ T4345] Call trace: [ 426.159260][ T4345] dump_backtrace+0x1c8/0x1f4 [ 426.160352][ T4345] show_stack+0x2c/0x3c [ 426.161439][ T4345] dump_stack_lvl+0xc0/0x104 [ 426.162610][ T4345] dump_stack+0x1c/0x4c [ 426.163730][ T4345] should_fail_ex+0x1bc/0x1e0 [ 426.164893][ T4345] __should_failslab+0x64/0x78 [ 426.166103][ T4345] should_failslab+0x10/0x28 [ 426.167321][ T4345] __kmem_cache_alloc_node+0x6c/0x348 [ 426.168724][ T4345] __kmalloc_node_track_caller+0x84/0xc0 [ 426.170095][ T4345] kstrdup_const+0x90/0xdc [ 426.171082][ T4345] __kernfs_new_node+0x5c/0x2e8 [ 426.172162][ T4345] kernfs_create_dir_ns+0xac/0x188 [ 426.173506][ T4345] sysfs_create_dir_ns+0x8c/0x168 [ 426.174724][ T4345] kobject_add_internal+0x314/0x64c [ 426.176041][ T4345] kobject_add+0xb8/0x130 [ 426.177247][ T4345] blk_mq_register_hctx+0x54/0x184 [ 426.178576][ T4345] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 426.180002][ T4345] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 426.181447][ T4345] nbd_start_device+0xc4/0x510 [ 426.182590][ T4345] nbd_ioctl+0x228/0x66c [ 426.183608][ T4345] blkdev_ioctl+0x218/0x664 [ 426.184798][ T4345] __arm64_sys_ioctl+0xd0/0x148 [ 426.185974][ T4345] invoke_syscall+0x64/0x178 [ 426.187111][ T4345] el0_svc_common+0xb8/0x174 [ 426.188314][ T4345] do_el0_svc+0x48/0x174 [ 426.189317][ T4345] el0_svc+0x34/0x110 [ 426.190217][ T4345] el0t_64_sync_handler+0x84/0xf0 [ 426.191436][ T4345] el0t_64_sync+0x18c/0x190 [ 426.192658][ T4345] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 426.246404][ T4345] block nbd0: shutting down sockets [ 426.388515][ T4349] block nbd0: Device being setup by another task [ 426.390269][ T4348] FAULT_INJECTION: forcing a failure. [ 426.390269][ T4348] name failslab, interval 1, probability 0, space 0, times 0 [ 426.393416][ T4348] CPU: 1 PID: 4348 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 426.395898][ T4348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 426.398121][ T4348] Call trace: [ 426.398906][ T4348] dump_backtrace+0x1c8/0x1f4 [ 426.400137][ T4348] show_stack+0x2c/0x3c [ 426.401153][ T4348] dump_stack_lvl+0xc0/0x104 [ 426.402355][ T4348] dump_stack+0x1c/0x4c [ 426.403324][ T4348] should_fail_ex+0x1bc/0x1e0 [ 426.404458][ T4348] __should_failslab+0x64/0x78 [ 426.405571][ T4348] should_failslab+0x10/0x28 [ 426.406728][ T4348] slab_pre_alloc_hook+0x54/0x1f4 [ 426.408049][ T4348] kmem_cache_alloc_lru+0x60/0x2ac [ 426.409253][ T4348] alloc_inode+0x7c/0x104 [ 426.410297][ T4348] new_inode+0x2c/0xc0 [ 426.411425][ T4348] debugfs_create_dir+0x98/0x1e0 [ 426.412583][ T4348] nbd_start_device+0x1b4/0x510 [ 426.413790][ T4348] nbd_ioctl+0x228/0x66c [ 426.414843][ T4348] blkdev_ioctl+0x218/0x664 [ 426.415956][ T4348] __arm64_sys_ioctl+0xd0/0x148 [ 426.417156][ T4348] invoke_syscall+0x64/0x178 [ 426.418330][ T4348] el0_svc_common+0xb8/0x174 [ 426.419491][ T4348] do_el0_svc+0x48/0x174 [ 426.420635][ T4348] el0_svc+0x34/0x110 [ 426.421618][ T4348] el0t_64_sync_handler+0x84/0xf0 [ 426.422881][ T4348] el0t_64_sync+0x18c/0x190 [ 426.424123][ T4348] debugfs: out of free dentries, can not create directory 'nbd0' [ 426.426022][ T4348] block nbd0: Failed to create debugfs dir for 'nbd0' [ 426.515529][ T4348] block nbd0: shutting down sockets [ 426.649986][ T4351] ------------[ cut here ]------------ [ 426.651509][ T4351] kernfs: can not remove 'nr_tags', no directory [ 426.653057][ T4351] WARNING: CPU: 1 PID: 4351 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 426.655577][ T4351] Modules linked in: [ 426.656359][ T4351] CPU: 1 PID: 4351 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 426.658751][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 426.661284][ T4351] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 426.663211][ T4351] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 426.664694][ T4351] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 426.666262][ T4351] sp : ffff80000df73ac0 [ 426.667272][ T4351] x29: ffff80000df73ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 426.669310][ T4351] x26: ffff0000c6b0e108 x25: ffff80000df73be8 x24: ffff0000cbcdae00 [ 426.671474][ T4351] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 426.673545][ T4351] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 426.675387][ T4351] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 426.677352][ T4351] x14: 0000000000000000 x13: 205d313533345420 x12: ffff80000d1a5000 [ 426.679215][ T4351] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 35ca6081704ed400 [ 426.681221][ T4351] x8 : 35ca6081704ed400 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 426.683233][ T4351] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 426.685206][ T4351] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 426.687157][ T4351] Call trace: [ 426.687951][ T4351] kernfs_remove_by_name_ns+0xb4/0x110 [ 426.689333][ T4351] sysfs_remove_group+0x68/0x160 [ 426.690577][ T4351] sysfs_remove_groups+0x3c/0x78 [ 426.691847][ T4351] __kobject_del+0x34/0x134 [ 426.693071][ T4351] kobject_del+0x2c/0x4c [ 426.694155][ T4351] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 426.695618][ T4351] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 426.697136][ T4351] nbd_start_device+0xc4/0x510 [ 426.698462][ T4351] nbd_ioctl+0x228/0x66c [ 426.699556][ T4351] blkdev_ioctl+0x218/0x664 [ 426.700785][ T4351] __arm64_sys_ioctl+0xd0/0x148 [ 426.702027][ T4351] invoke_syscall+0x64/0x178 [ 426.703306][ T4351] el0_svc_common+0xb8/0x174 [ 426.704519][ T4351] do_el0_svc+0x48/0x174 [ 426.705578][ T4351] el0_svc+0x34/0x110 [ 426.706557][ T4351] el0t_64_sync_handler+0x84/0xf0 [ 426.707797][ T4351] el0t_64_sync+0x18c/0x190 [ 426.708837][ T4351] ---[ end trace 0000000000000000 ]--- [ 426.710676][ T4351] ------------[ cut here ]------------ [ 426.712076][ T4351] kernfs: can not remove 'nr_reserved_tags', no directory [ 426.713871][ T4351] WARNING: CPU: 1 PID: 4351 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 426.716191][ T4351] Modules linked in: [ 426.717162][ T4351] CPU: 1 PID: 4351 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 426.719580][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 426.722101][ T4351] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 426.724049][ T4351] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 426.725612][ T4351] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 426.727074][ T4351] sp : ffff80000df73ac0 [ 426.728118][ T4351] x29: ffff80000df73ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 426.730238][ T4351] x26: ffff0000c6b0e108 x25: ffff80000df73be8 x24: ffff0000cbcdae00 [ 426.732337][ T4351] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 426.734447][ T4351] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 426.736527][ T4351] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 426.738421][ T4351] x14: 0000000000000000 x13: 205d313533345420 x12: ffff80000d1a5000 [ 426.740474][ T4351] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 35ca6081704ed400 [ 426.742393][ T4351] x8 : 35ca6081704ed400 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 426.744453][ T4351] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 426.746635][ T4351] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 426.748634][ T4351] Call trace: [ 426.749403][ T4351] kernfs_remove_by_name_ns+0xb4/0x110 [ 426.750791][ T4351] sysfs_remove_group+0x68/0x160 [ 426.751965][ T4351] sysfs_remove_groups+0x3c/0x78 [ 426.753289][ T4351] __kobject_del+0x34/0x134 [ 426.754391][ T4351] kobject_del+0x2c/0x4c [ 426.755489][ T4351] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 426.757110][ T4351] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 426.758497][ T4351] nbd_start_device+0xc4/0x510 [ 426.759751][ T4351] nbd_ioctl+0x228/0x66c [ 426.760845][ T4351] blkdev_ioctl+0x218/0x664 [ 426.761932][ T4351] __arm64_sys_ioctl+0xd0/0x148 [ 426.763214][ T4351] invoke_syscall+0x64/0x178 [ 426.764424][ T4351] el0_svc_common+0xb8/0x174 [ 426.765646][ T4351] do_el0_svc+0x48/0x174 [ 426.766714][ T4351] el0_svc+0x34/0x110 [ 426.767639][ T4351] el0t_64_sync_handler+0x84/0xf0 [ 426.768804][ T4351] el0t_64_sync+0x18c/0x190 [ 426.769991][ T4351] ---[ end trace 0000000000000000 ]--- [ 426.771377][ T4351] ------------[ cut here ]------------ [ 426.772669][ T4351] kernfs: can not remove 'cpu_list', no directory [ 426.774265][ T4351] WARNING: CPU: 1 PID: 4351 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 426.776658][ T4351] Modules linked in: [ 426.777653][ T4351] CPU: 1 PID: 4351 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 426.780287][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 426.782676][ T4351] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 426.784787][ T4351] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 426.786140][ T4351] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 426.787642][ T4351] sp : ffff80000df73ac0 [ 426.788727][ T4351] x29: ffff80000df73ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 426.790711][ T4351] x26: ffff0000c6b0e108 x25: ffff80000df73be8 x24: ffff0000cbcdae00 [ 426.792662][ T4351] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 426.794652][ T4351] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 426.796581][ T4351] x17: ffff80000d3e1688 x16: 0000000000001167 x15: 0000000000000000 [ 426.798578][ T4351] x14: 0000000000000000 x13: 205d313533345420 x12: ffff80000d1a5000 [ 426.800581][ T4351] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 35ca6081704ed400 [ 426.802572][ T4351] x8 : 35ca6081704ed400 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 426.804388][ T4351] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 426.806400][ T4351] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 426.808308][ T4351] Call trace: [ 426.809152][ T4351] kernfs_remove_by_name_ns+0xb4/0x110 [ 426.810461][ T4351] sysfs_remove_group+0x68/0x160 [ 426.811648][ T4351] sysfs_remove_groups+0x3c/0x78 [ 426.812869][ T4351] __kobject_del+0x34/0x134 [ 426.814010][ T4351] kobject_del+0x2c/0x4c [ 426.815072][ T4351] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 426.816579][ T4351] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 426.818025][ T4351] nbd_start_device+0xc4/0x510 [ 426.819272][ T4351] nbd_ioctl+0x228/0x66c [ 426.820250][ T4351] blkdev_ioctl+0x218/0x664 [ 426.821403][ T4351] __arm64_sys_ioctl+0xd0/0x148 [ 426.822649][ T4351] invoke_syscall+0x64/0x178 [ 426.823868][ T4351] el0_svc_common+0xb8/0x174 [ 426.825070][ T4351] do_el0_svc+0x48/0x174 [ 426.826187][ T4351] el0_svc+0x34/0x110 [ 426.827186][ T4351] el0t_64_sync_handler+0x84/0xf0 [ 426.828503][ T4351] el0t_64_sync+0x18c/0x190 [ 426.829693][ T4351] ---[ end trace 0000000000000000 ]--- [ 426.833493][ T4351] block nbd0: shutting down sockets [ 426.918706][ T4353] FAULT_INJECTION: forcing a failure. [ 426.918706][ T4353] name failslab, interval 1, probability 0, space 0, times 0 [ 426.922063][ T4353] CPU: 1 PID: 4353 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 426.924411][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 426.926879][ T4353] Call trace: [ 426.927551][ T4353] dump_backtrace+0x1c8/0x1f4 [ 426.928700][ T4353] show_stack+0x2c/0x3c [ 426.929631][ T4353] dump_stack_lvl+0xc0/0x104 [ 426.930745][ T4353] dump_stack+0x1c/0x4c [ 426.931782][ T4353] should_fail_ex+0x1bc/0x1e0 [ 426.932939][ T4353] __should_failslab+0x64/0x78 [ 426.934097][ T4353] should_failslab+0x10/0x28 [ 426.935381][ T4353] slab_pre_alloc_hook+0x54/0x1f4 [ 426.936643][ T4353] kmem_cache_alloc_lru+0x60/0x2ac [ 426.937945][ T4353] alloc_inode+0x7c/0x104 [ 426.939013][ T4353] new_inode+0x2c/0xc0 [ 426.940100][ T4353] debugfs_create_dir+0x98/0x1e0 [ 426.941319][ T4353] nbd_start_device+0x1b4/0x510 [ 426.942646][ T4353] nbd_ioctl+0x228/0x66c [ 426.943729][ T4353] blkdev_ioctl+0x218/0x664 [ 426.944943][ T4353] __arm64_sys_ioctl+0xd0/0x148 [ 426.946235][ T4353] invoke_syscall+0x64/0x178 [ 426.947437][ T4353] el0_svc_common+0xb8/0x174 [ 426.948552][ T4353] do_el0_svc+0x48/0x174 [ 426.949645][ T4353] el0_svc+0x34/0x110 [ 426.950600][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 426.951825][ T4353] el0t_64_sync+0x18c/0x190 [ 426.953009][ T4353] debugfs: out of free dentries, can not create directory 'nbd0' [ 426.954912][ T4353] block nbd0: Failed to create debugfs dir for 'nbd0' [ 427.077500][ T4353] block nbd0: shutting down sockets [ 427.158767][ T4355] FAULT_INJECTION: forcing a failure. [ 427.158767][ T4355] name failslab, interval 1, probability 0, space 0, times 0 [ 427.161856][ T4355] CPU: 0 PID: 4355 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 427.164370][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 427.166984][ T4355] Call trace: [ 427.167770][ T4355] dump_backtrace+0x1c8/0x1f4 [ 427.168975][ T4355] show_stack+0x2c/0x3c [ 427.170079][ T4355] dump_stack_lvl+0xc0/0x104 [ 427.171282][ T4355] dump_stack+0x1c/0x4c [ 427.172360][ T4355] should_fail_ex+0x1bc/0x1e0 [ 427.173569][ T4355] __should_failslab+0x64/0x78 [ 427.174866][ T4355] should_failslab+0x10/0x28 [ 427.176025][ T4355] slab_pre_alloc_hook+0x54/0x1f4 [ 427.177359][ T4355] kmem_cache_alloc_lru+0x60/0x2ac [ 427.178659][ T4355] alloc_inode+0x7c/0x104 [ 427.179758][ T4355] new_inode+0x2c/0xc0 [ 427.180749][ T4355] debugfs_create_dir+0x98/0x1e0 [ 427.181983][ T4355] nbd_start_device+0x1b4/0x510 [ 427.183261][ T4355] nbd_ioctl+0x228/0x66c [ 427.184316][ T4355] blkdev_ioctl+0x218/0x664 [ 427.185614][ T4355] __arm64_sys_ioctl+0xd0/0x148 [ 427.186822][ T4355] invoke_syscall+0x64/0x178 [ 427.187965][ T4355] el0_svc_common+0xb8/0x174 [ 427.189157][ T4355] do_el0_svc+0x48/0x174 [ 427.190177][ T4355] el0_svc+0x34/0x110 [ 427.191246][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 427.192505][ T4355] el0t_64_sync+0x18c/0x190 [ 427.193768][ T4355] debugfs: out of free dentries, can not create directory 'nbd0' [ 427.195545][ T4355] block nbd0: Failed to create debugfs dir for 'nbd0' [ 427.318194][ T4355] block nbd0: shutting down sockets [ 427.398789][ T4357] FAULT_INJECTION: forcing a failure. [ 427.398789][ T4357] name failslab, interval 1, probability 0, space 0, times 0 [ 427.401807][ T4357] CPU: 1 PID: 4357 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 427.404253][ T4357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 427.406520][ T4357] Call trace: [ 427.407255][ T4357] dump_backtrace+0x1c8/0x1f4 [ 427.408408][ T4357] show_stack+0x2c/0x3c [ 427.409464][ T4357] dump_stack_lvl+0xc0/0x104 [ 427.410582][ T4357] dump_stack+0x1c/0x4c [ 427.411583][ T4357] should_fail_ex+0x1bc/0x1e0 [ 427.412795][ T4357] __should_failslab+0x64/0x78 [ 427.413972][ T4357] should_failslab+0x10/0x28 [ 427.415100][ T4357] slab_pre_alloc_hook+0x54/0x1f4 [ 427.416405][ T4357] kmem_cache_alloc_lru+0x60/0x2ac [ 427.417751][ T4357] alloc_inode+0x7c/0x104 [ 427.418731][ T4357] new_inode+0x2c/0xc0 [ 427.419816][ T4357] debugfs_create_dir+0x98/0x1e0 [ 427.421069][ T4357] nbd_start_device+0x1b4/0x510 [ 427.422289][ T4357] nbd_ioctl+0x228/0x66c [ 427.423411][ T4357] blkdev_ioctl+0x218/0x664 [ 427.424511][ T4357] __arm64_sys_ioctl+0xd0/0x148 [ 427.425737][ T4357] invoke_syscall+0x64/0x178 [ 427.426998][ T4357] el0_svc_common+0xb8/0x174 [ 427.428081][ T4357] do_el0_svc+0x48/0x174 [ 427.429275][ T4357] el0_svc+0x34/0x110 [ 427.430229][ T4357] el0t_64_sync_handler+0x84/0xf0 [ 427.431463][ T4357] el0t_64_sync+0x18c/0x190 [ 427.432651][ T4357] debugfs: out of free dentries, can not create directory 'nbd0' [ 427.434448][ T4357] block nbd0: Failed to create debugfs dir for 'nbd0' [ 427.557605][ T4357] block nbd0: shutting down sockets [ 427.638759][ T4359] FAULT_INJECTION: forcing a failure. [ 427.638759][ T4359] name failslab, interval 1, probability 0, space 0, times 0 [ 427.641770][ T4359] CPU: 1 PID: 4359 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 427.644025][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 427.646511][ T4359] Call trace: [ 427.647187][ T4359] dump_backtrace+0x1c8/0x1f4 [ 427.648203][ T4359] show_stack+0x2c/0x3c [ 427.649118][ T4359] dump_stack_lvl+0xc0/0x104 [ 427.650183][ T4359] dump_stack+0x1c/0x4c [ 427.651301][ T4359] should_fail_ex+0x1bc/0x1e0 [ 427.652515][ T4359] __should_failslab+0x64/0x78 [ 427.653643][ T4359] should_failslab+0x10/0x28 [ 427.654702][ T4359] slab_pre_alloc_hook+0x54/0x1f4 [ 427.656028][ T4359] kmem_cache_alloc_lru+0x60/0x2ac [ 427.657289][ T4359] alloc_inode+0x7c/0x104 [ 427.658329][ T4359] new_inode+0x2c/0xc0 [ 427.659309][ T4359] debugfs_create_dir+0x98/0x1e0 [ 427.660543][ T4359] nbd_start_device+0x1b4/0x510 [ 427.661823][ T4359] nbd_ioctl+0x228/0x66c [ 427.662891][ T4359] blkdev_ioctl+0x218/0x664 [ 427.664100][ T4359] __arm64_sys_ioctl+0xd0/0x148 [ 427.665275][ T4359] invoke_syscall+0x64/0x178 [ 427.666307][ T4359] el0_svc_common+0xb8/0x174 [ 427.667530][ T4359] do_el0_svc+0x48/0x174 [ 427.668644][ T4359] el0_svc+0x34/0x110 [ 427.669606][ T4359] el0t_64_sync_handler+0x84/0xf0 [ 427.670871][ T4359] el0t_64_sync+0x18c/0x190 [ 427.671944][ T4359] debugfs: out of free dentries, can not create directory 'nbd0' [ 427.673925][ T4359] block nbd0: Failed to create debugfs dir for 'nbd0' [ 427.797184][ T4359] block nbd0: shutting down sockets [ 427.888754][ T4361] FAULT_INJECTION: forcing a failure. [ 427.888754][ T4361] name failslab, interval 1, probability 0, space 0, times 0 [ 427.891912][ T4361] CPU: 1 PID: 4361 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 427.894296][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 427.896668][ T4361] Call trace: [ 427.897411][ T4361] dump_backtrace+0x1c8/0x1f4 [ 427.898574][ T4361] show_stack+0x2c/0x3c [ 427.899592][ T4361] dump_stack_lvl+0xc0/0x104 [ 427.900734][ T4361] dump_stack+0x1c/0x4c [ 427.901654][ T4361] should_fail_ex+0x1bc/0x1e0 [ 427.902810][ T4361] __should_failslab+0x64/0x78 [ 427.903994][ T4361] should_failslab+0x10/0x28 [ 427.905024][ T4361] slab_pre_alloc_hook+0x54/0x1f4 [ 427.906312][ T4361] kmem_cache_alloc_lru+0x60/0x2ac [ 427.907659][ T4361] alloc_inode+0x7c/0x104 [ 427.908754][ T4361] new_inode+0x2c/0xc0 [ 427.909784][ T4361] debugfs_create_dir+0x98/0x1e0 [ 427.910983][ T4361] nbd_start_device+0x1b4/0x510 [ 427.912227][ T4361] nbd_ioctl+0x228/0x66c [ 427.913297][ T4361] blkdev_ioctl+0x218/0x664 [ 427.914399][ T4361] __arm64_sys_ioctl+0xd0/0x148 [ 427.915613][ T4361] invoke_syscall+0x64/0x178 [ 427.916754][ T4361] el0_svc_common+0xb8/0x174 [ 427.917829][ T4361] do_el0_svc+0x48/0x174 [ 427.918921][ T4361] el0_svc+0x34/0x110 [ 427.919884][ T4361] el0t_64_sync_handler+0x84/0xf0 [ 427.921101][ T4361] el0t_64_sync+0x18c/0x190 [ 427.922416][ T4361] debugfs: out of free dentries, can not create directory 'nbd0' [ 427.924262][ T4361] block nbd0: Failed to create debugfs dir for 'nbd0' [ 428.047449][ T4361] block nbd0: shutting down sockets [ 428.138728][ T4363] FAULT_INJECTION: forcing a failure. [ 428.138728][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 428.141878][ T4363] CPU: 1 PID: 4363 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 428.144282][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 428.146667][ T4363] Call trace: [ 428.147440][ T4363] dump_backtrace+0x1c8/0x1f4 [ 428.148484][ T4363] show_stack+0x2c/0x3c [ 428.149526][ T4363] dump_stack_lvl+0xc0/0x104 [ 428.150596][ T4363] dump_stack+0x1c/0x4c [ 428.151623][ T4363] should_fail_ex+0x1bc/0x1e0 [ 428.152748][ T4363] __should_failslab+0x64/0x78 [ 428.153922][ T4363] should_failslab+0x10/0x28 [ 428.155086][ T4363] slab_pre_alloc_hook+0x54/0x1f4 [ 428.156276][ T4363] kmem_cache_alloc_lru+0x60/0x2ac [ 428.157633][ T4363] alloc_inode+0x7c/0x104 [ 428.158710][ T4363] new_inode+0x2c/0xc0 [ 428.159762][ T4363] debugfs_create_dir+0x98/0x1e0 [ 428.161072][ T4363] nbd_start_device+0x1b4/0x510 [ 428.162278][ T4363] nbd_ioctl+0x228/0x66c [ 428.163281][ T4363] blkdev_ioctl+0x218/0x664 [ 428.164364][ T4363] __arm64_sys_ioctl+0xd0/0x148 [ 428.165615][ T4363] invoke_syscall+0x64/0x178 [ 428.166675][ T4363] el0_svc_common+0xb8/0x174 [ 428.167848][ T4363] do_el0_svc+0x48/0x174 [ 428.169010][ T4363] el0_svc+0x34/0x110 [ 428.170014][ T4363] el0t_64_sync_handler+0x84/0xf0 [ 428.171222][ T4363] el0t_64_sync+0x18c/0x190 [ 428.172470][ T4363] debugfs: out of free dentries, can not create directory 'nbd0' [ 428.174471][ T4363] block nbd0: Failed to create debugfs dir for 'nbd0' [ 428.297519][ T4363] block nbd0: shutting down sockets [ 428.378764][ T4365] FAULT_INJECTION: forcing a failure. [ 428.378764][ T4365] name failslab, interval 1, probability 0, space 0, times 0 [ 428.381787][ T4365] CPU: 1 PID: 4365 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 428.384413][ T4365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 428.386911][ T4365] Call trace: [ 428.387749][ T4365] dump_backtrace+0x1c8/0x1f4 [ 428.388946][ T4365] show_stack+0x2c/0x3c [ 428.390052][ T4365] dump_stack_lvl+0xc0/0x104 [ 428.391262][ T4365] dump_stack+0x1c/0x4c [ 428.392263][ T4365] should_fail_ex+0x1bc/0x1e0 [ 428.393379][ T4365] __should_failslab+0x64/0x78 [ 428.394656][ T4365] should_failslab+0x10/0x28 [ 428.395849][ T4365] slab_pre_alloc_hook+0x54/0x1f4 [ 428.397217][ T4365] kmem_cache_alloc_lru+0x60/0x2ac [ 428.398655][ T4365] alloc_inode+0x7c/0x104 [ 428.399788][ T4365] new_inode+0x2c/0xc0 [ 428.400793][ T4365] debugfs_create_dir+0x98/0x1e0 [ 428.402020][ T4365] nbd_start_device+0x1b4/0x510 [ 428.403206][ T4365] nbd_ioctl+0x228/0x66c [ 428.404229][ T4365] blkdev_ioctl+0x218/0x664 [ 428.405371][ T4365] __arm64_sys_ioctl+0xd0/0x148 [ 428.406507][ T4365] invoke_syscall+0x64/0x178 [ 428.407602][ T4365] el0_svc_common+0xb8/0x174 [ 428.408804][ T4365] do_el0_svc+0x48/0x174 [ 428.409764][ T4365] el0_svc+0x34/0x110 [ 428.410671][ T4365] el0t_64_sync_handler+0x84/0xf0 [ 428.411799][ T4365] el0t_64_sync+0x18c/0x190 [ 428.412946][ T4365] debugfs: out of free dentries, can not create directory 'nbd0' [ 428.414948][ T4365] block nbd0: Failed to create debugfs dir for 'nbd0' [ 428.537863][ T4365] block nbd0: shutting down sockets [ 428.618739][ T4367] FAULT_INJECTION: forcing a failure. [ 428.618739][ T4367] name failslab, interval 1, probability 0, space 0, times 0 [ 428.622079][ T4367] CPU: 1 PID: 4367 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 428.624651][ T4367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 428.627049][ T4367] Call trace: [ 428.627873][ T4367] dump_backtrace+0x1c8/0x1f4 [ 428.629212][ T4367] show_stack+0x2c/0x3c [ 428.630306][ T4367] dump_stack_lvl+0xc0/0x104 [ 428.631499][ T4367] dump_stack+0x1c/0x4c [ 428.632547][ T4367] should_fail_ex+0x1bc/0x1e0 [ 428.633637][ T4367] __should_failslab+0x64/0x78 [ 428.634810][ T4367] should_failslab+0x10/0x28 [ 428.635989][ T4367] slab_pre_alloc_hook+0x54/0x1f4 [ 428.637331][ T4367] kmem_cache_alloc_lru+0x60/0x2ac [ 428.638507][ T4367] alloc_inode+0x7c/0x104 [ 428.639612][ T4367] new_inode+0x2c/0xc0 [ 428.640548][ T4367] debugfs_create_dir+0x98/0x1e0 [ 428.641818][ T4367] nbd_start_device+0x1b4/0x510 [ 428.643191][ T4367] nbd_ioctl+0x228/0x66c [ 428.644392][ T4367] blkdev_ioctl+0x218/0x664 [ 428.645602][ T4367] __arm64_sys_ioctl+0xd0/0x148 [ 428.646853][ T4367] invoke_syscall+0x64/0x178 [ 428.647945][ T4367] el0_svc_common+0xb8/0x174 [ 428.649153][ T4367] do_el0_svc+0x48/0x174 [ 428.650229][ T4367] el0_svc+0x34/0x110 [ 428.651298][ T4367] el0t_64_sync_handler+0x84/0xf0 [ 428.652547][ T4367] el0t_64_sync+0x18c/0x190 [ 428.653773][ T4367] debugfs: out of free dentries, can not create directory 'nbd0' [ 428.655845][ T4367] block nbd0: Failed to create debugfs dir for 'nbd0' [ 428.776896][ T4367] block nbd0: shutting down sockets [ 428.898535][ T4370] block nbd0: Device being setup by another task [ 428.970365][ T4369] FAULT_INJECTION: forcing a failure. [ 428.970365][ T4369] name failslab, interval 1, probability 0, space 0, times 0 [ 428.973630][ T4369] CPU: 0 PID: 4369 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 428.975838][ T4369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 428.978307][ T4369] Call trace: [ 428.979069][ T4369] dump_backtrace+0x1c8/0x1f4 [ 428.980229][ T4369] show_stack+0x2c/0x3c [ 428.981247][ T4369] dump_stack_lvl+0xc0/0x104 [ 428.982378][ T4369] dump_stack+0x1c/0x4c [ 428.983388][ T4369] should_fail_ex+0x1bc/0x1e0 [ 428.984546][ T4369] __should_failslab+0x64/0x78 [ 428.985803][ T4369] should_failslab+0x10/0x28 [ 428.986921][ T4369] __kmem_cache_alloc_node+0x6c/0x348 [ 428.988127][ T4369] __kmalloc_node_track_caller+0x84/0xc0 [ 428.989583][ T4369] kstrdup_const+0x90/0xdc [ 428.990714][ T4369] __kernfs_new_node+0x5c/0x2e8 [ 428.991912][ T4369] kernfs_create_dir_ns+0xac/0x188 [ 428.993115][ T4369] sysfs_create_dir_ns+0x8c/0x168 [ 428.994389][ T4369] kobject_add_internal+0x314/0x64c [ 428.995723][ T4369] kobject_add+0xb8/0x130 [ 428.996788][ T4369] blk_mq_register_hctx+0x54/0x184 [ 428.998032][ T4369] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 428.999617][ T4369] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 429.001097][ T4369] nbd_start_device+0xc4/0x510 [ 429.002315][ T4369] nbd_ioctl+0x228/0x66c [ 429.003364][ T4369] blkdev_ioctl+0x218/0x664 [ 429.004503][ T4369] __arm64_sys_ioctl+0xd0/0x148 [ 429.005762][ T4369] invoke_syscall+0x64/0x178 [ 429.006934][ T4369] el0_svc_common+0xb8/0x174 [ 429.008151][ T4369] do_el0_svc+0x48/0x174 [ 429.009223][ T4369] el0_svc+0x34/0x110 [ 429.010263][ T4369] el0t_64_sync_handler+0x84/0xf0 [ 429.011633][ T4369] el0t_64_sync+0x18c/0x190 [ 429.012880][ T4369] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 429.045260][ T4369] block nbd0: shutting down sockets [ 429.180267][ T4372] ------------[ cut here ]------------ [ 429.181772][ T4372] kernfs: can not remove 'nr_tags', no directory [ 429.183313][ T4372] WARNING: CPU: 1 PID: 4372 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 429.185586][ T4372] Modules linked in: [ 429.186524][ T4372] CPU: 1 PID: 4372 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 429.189109][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 429.191729][ T4372] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 429.193679][ T4372] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 429.195220][ T4372] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 429.196728][ T4372] sp : ffff80000ded3ac0 [ 429.197861][ T4372] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 429.199825][ T4372] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0000c61f1e00 [ 429.201857][ T4372] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 429.203943][ T4372] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 429.205978][ T4372] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 429.207822][ T4372] x14: 0000000000000000 x13: 205d323733345420 x12: ffff80000d1a5000 [ 429.209766][ T4372] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 1287f1dcdd8d4800 [ 429.211858][ T4372] x8 : 1287f1dcdd8d4800 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 429.213618][ T4372] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 429.215727][ T4372] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 429.217722][ T4372] Call trace: [ 429.218567][ T4372] kernfs_remove_by_name_ns+0xb4/0x110 [ 429.219939][ T4372] sysfs_remove_group+0x68/0x160 [ 429.221270][ T4372] sysfs_remove_groups+0x3c/0x78 [ 429.222674][ T4372] __kobject_del+0x34/0x134 [ 429.223882][ T4372] kobject_del+0x2c/0x4c [ 429.224905][ T4372] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 429.226525][ T4372] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 429.227979][ T4372] nbd_start_device+0xc4/0x510 [ 429.229202][ T4372] nbd_ioctl+0x228/0x66c [ 429.230195][ T4372] blkdev_ioctl+0x218/0x664 [ 429.231297][ T4372] __arm64_sys_ioctl+0xd0/0x148 [ 429.232471][ T4372] invoke_syscall+0x64/0x178 [ 429.233620][ T4372] el0_svc_common+0xb8/0x174 [ 429.234967][ T4372] do_el0_svc+0x48/0x174 [ 429.236081][ T4372] el0_svc+0x34/0x110 [ 429.237008][ T4372] el0t_64_sync_handler+0x84/0xf0 [ 429.238245][ T4372] el0t_64_sync+0x18c/0x190 [ 429.239413][ T4372] ---[ end trace 0000000000000000 ]--- [ 429.240908][ T4372] ------------[ cut here ]------------ [ 429.242213][ T4372] kernfs: can not remove 'nr_reserved_tags', no directory [ 429.244030][ T4372] WARNING: CPU: 1 PID: 4372 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 429.246416][ T4372] Modules linked in: [ 429.247416][ T4372] CPU: 1 PID: 4372 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 429.249900][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 429.252469][ T4372] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 429.254546][ T4372] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 429.256003][ T4372] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 429.257462][ T4372] sp : ffff80000ded3ac0 [ 429.258476][ T4372] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 429.260475][ T4372] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0000c61f1e00 [ 429.262475][ T4372] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 429.264417][ T4372] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 429.266327][ T4372] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 429.268367][ T4372] x14: 0000000000000000 x13: 205d323733345420 x12: ffff80000d1a5000 [ 429.270173][ T4372] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 1287f1dcdd8d4800 [ 429.272196][ T4372] x8 : 1287f1dcdd8d4800 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 429.274013][ T4372] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 429.275952][ T4372] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 429.278020][ T4372] Call trace: [ 429.278837][ T4372] kernfs_remove_by_name_ns+0xb4/0x110 [ 429.280260][ T4372] sysfs_remove_group+0x68/0x160 [ 429.281483][ T4372] sysfs_remove_groups+0x3c/0x78 [ 429.282734][ T4372] __kobject_del+0x34/0x134 [ 429.283982][ T4372] kobject_del+0x2c/0x4c [ 429.285121][ T4372] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 429.286591][ T4372] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 429.288004][ T4372] nbd_start_device+0xc4/0x510 [ 429.289232][ T4372] nbd_ioctl+0x228/0x66c [ 429.290323][ T4372] blkdev_ioctl+0x218/0x664 [ 429.291433][ T4372] __arm64_sys_ioctl+0xd0/0x148 [ 429.292554][ T4372] invoke_syscall+0x64/0x178 [ 429.293742][ T4372] el0_svc_common+0xb8/0x174 [ 429.294975][ T4372] do_el0_svc+0x48/0x174 [ 429.296083][ T4372] el0_svc+0x34/0x110 [ 429.296990][ T4372] el0t_64_sync_handler+0x84/0xf0 [ 429.298269][ T4372] el0t_64_sync+0x18c/0x190 [ 429.299369][ T4372] ---[ end trace 0000000000000000 ]--- [ 429.300804][ T4372] ------------[ cut here ]------------ [ 429.302094][ T4372] kernfs: can not remove 'cpu_list', no directory [ 429.303685][ T4372] WARNING: CPU: 1 PID: 4372 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 429.305892][ T4372] Modules linked in: [ 429.306905][ T4372] CPU: 1 PID: 4372 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 429.309315][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 429.311885][ T4372] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 429.313828][ T4372] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 429.315285][ T4372] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 429.316813][ T4372] sp : ffff80000ded3ac0 [ 429.317826][ T4372] x29: ffff80000ded3ac0 x28: ffff80000bcf7000 x27: ffff0000c6b0e108 [ 429.319932][ T4372] x26: ffff0000c6b0e108 x25: ffff80000ded3be8 x24: ffff0000c61f1e00 [ 429.321881][ T4372] x23: ffff0000c54d8000 x22: 0000000000000000 x21: 0000000000000000 [ 429.323959][ T4372] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 429.326089][ T4372] x17: ffff80000d3e1688 x16: 0000000000001178 x15: 0000000000000000 [ 429.328037][ T4372] x14: 0000000000000000 x13: 205d323733345420 x12: ffff80000d1a5000 [ 429.329912][ T4372] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 1287f1dcdd8d4800 [ 429.331999][ T4372] x8 : 1287f1dcdd8d4800 x7 : 0000000000000000 x6 : ffff80000ae36264 [ 429.334008][ T4372] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 429.336117][ T4372] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 429.338203][ T4372] Call trace: [ 429.339163][ T4372] kernfs_remove_by_name_ns+0xb4/0x110 [ 429.340500][ T4372] sysfs_remove_group+0x68/0x160 [ 429.341777][ T4372] sysfs_remove_groups+0x3c/0x78 [ 429.342997][ T4372] __kobject_del+0x34/0x134 [ 429.344160][ T4372] kobject_del+0x2c/0x4c [ 429.345228][ T4372] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 429.346847][ T4372] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 429.348299][ T4372] nbd_start_device+0xc4/0x510 [ 429.349509][ T4372] nbd_ioctl+0x228/0x66c [ 429.350559][ T4372] blkdev_ioctl+0x218/0x664 [ 429.351657][ T4372] __arm64_sys_ioctl+0xd0/0x148 [ 429.352937][ T4372] invoke_syscall+0x64/0x178 [ 429.354095][ T4372] el0_svc_common+0xb8/0x174 [ 429.355318][ T4372] do_el0_svc+0x48/0x174 [ 429.356502][ T4372] el0_svc+0x34/0x110 [ 429.357581][ T4372] el0t_64_sync_handler+0x84/0xf0 [ 429.358732][ T4372] el0t_64_sync+0x18c/0x190 [ 429.359893][ T4372] ---[ end trace 0000000000000000 ]--- [ 429.363666][ T4372] block nbd0: shutting down sockets [ 429.448713][ T4374] FAULT_INJECTION: forcing a failure. [ 429.448713][ T4374] name failslab, interval 1, probability 0, space 0, times 0 [ 429.451896][ T4374] CPU: 1 PID: 4374 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 429.454401][ T4374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 429.456791][ T4374] Call trace: [ 429.457528][ T4374] dump_backtrace+0x1c8/0x1f4 [ 429.458660][ T4374] show_stack+0x2c/0x3c [ 429.459824][ T4374] dump_stack_lvl+0xc0/0x104 [ 429.460956][ T4374] dump_stack+0x1c/0x4c [ 429.462012][ T4374] should_fail_ex+0x1bc/0x1e0 [ 429.463178][ T4374] __should_failslab+0x64/0x78 [ 429.464440][ T4374] should_failslab+0x10/0x28 [ 429.465626][ T4374] slab_pre_alloc_hook+0x54/0x1f4 [ 429.466880][ T4374] kmem_cache_alloc_lru+0x60/0x2ac [ 429.468192][ T4374] alloc_inode+0x7c/0x104 [ 429.469390][ T4374] new_inode+0x2c/0xc0 [ 429.470478][ T4374] debugfs_create_dir+0x98/0x1e0 [ 429.471773][ T4374] nbd_start_device+0x1b4/0x510 [ 429.472918][ T4374] nbd_ioctl+0x228/0x66c [ 429.473969][ T4374] blkdev_ioctl+0x218/0x664 [ 429.475103][ T4374] __arm64_sys_ioctl+0xd0/0x148 [ 429.476359][ T4374] invoke_syscall+0x64/0x178 [ 429.477591][ T4374] el0_svc_common+0xb8/0x174 [ 429.478756][ T4374] do_el0_svc+0x48/0x174 [ 429.479784][ T4374] el0_svc+0x34/0x110 [ 429.480814][ T4374] el0t_64_sync_handler+0x84/0xf0 [ 429.481981][ T4374] el0t_64_sync+0x18c/0x190 [ 429.483228][ T4374] debugfs: out of free dentries, can not create directory 'nbd0' [ 429.485176][ T4374] block nbd0: Failed to create debugfs dir for 'nbd0' [ 429.607576][ T4374] block nbd0: shutting down sockets [ 429.688746][ T4376] FAULT_INJECTION: forcing a failure. [ 429.688746][ T4376] name failslab, interval 1, probability 0, space 0, times 0 [ 429.691977][ T4376] CPU: 1 PID: 4376 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 429.694442][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 429.697052][ T4376] Call trace: [ 429.697882][ T4376] dump_backtrace+0x1c8/0x1f4 [ 429.699076][ T4376] show_stack+0x2c/0x3c [ 429.700148][ T4376] dump_stack_lvl+0xc0/0x104 [ 429.701434][ T4376] dump_stack+0x1c/0x4c [ 429.702518][ T4376] should_fail_ex+0x1bc/0x1e0 [ 429.703712][ T4376] __should_failslab+0x64/0x78 [ 429.704979][ T4376] should_failslab+0x10/0x28 [ 429.706048][ T4376] slab_pre_alloc_hook+0x54/0x1f4 [ 429.707375][ T4376] kmem_cache_alloc_lru+0x60/0x2ac [ 429.708621][ T4376] alloc_inode+0x7c/0x104 [ 429.709736][ T4376] new_inode+0x2c/0xc0 [ 429.710839][ T4376] debugfs_create_dir+0x98/0x1e0 [ 429.712087][ T4376] nbd_start_device+0x1b4/0x510 [ 429.713319][ T4376] nbd_ioctl+0x228/0x66c [ 429.714413][ T4376] blkdev_ioctl+0x218/0x664 [ 429.715568][ T4376] __arm64_sys_ioctl+0xd0/0x148 [ 429.716856][ T4376] invoke_syscall+0x64/0x178 [ 429.718021][ T4376] el0_svc_common+0xb8/0x174 [ 429.719170][ T4376] do_el0_svc+0x48/0x174 [ 429.720212][ T4376] el0_svc+0x34/0x110 [ 429.721333][ T4376] el0t_64_sync_handler+0x84/0xf0 [ 429.722706][ T4376] el0t_64_sync+0x18c/0x190 [ 429.723877][ T4376] debugfs: out of free dentries, can not create directory 'nbd0' [ 429.725842][ T4376] block nbd0: Failed to create debugfs dir for 'nbd0' [ 429.847022][ T4376] block nbd0: shutting down sockets [ 429.958586][ T4379] FAULT_INJECTION: forcing a failure. [ 429.958586][ T4379] name failslab, interval 1, probability 0, space 0, times 0 [ 429.961977][ T4379] CPU: 1 PID: 4379 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 429.964646][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 429.967205][ T4379] Call trace: [ 429.968000][ T4379] dump_backtrace+0x1c8/0x1f4 [ 429.969197][ T4379] show_stack+0x2c/0x3c [ 429.970217][ T4379] dump_stack_lvl+0xc0/0x104 [ 429.971413][ T4379] dump_stack+0x1c/0x4c [ 429.972538][ T4379] should_fail_ex+0x1bc/0x1e0 [ 429.973742][ T4379] __should_failslab+0x64/0x78 [ 429.974995][ T4379] should_failslab+0x10/0x28 [ 429.976138][ T4379] slab_pre_alloc_hook+0x54/0x1f4 [ 429.977430][ T4379] kmem_cache_alloc_lru+0x60/0x2ac [ 429.978759][ T4379] alloc_inode+0x7c/0x104 [ 429.979924][ T4379] new_inode+0x2c/0xc0 [ 429.981011][ T4379] debugfs_create_dir+0x98/0x1e0 [ 429.982181][ T4379] nbd_start_device+0x1b4/0x510 [ 429.983304][ T4379] nbd_ioctl+0x228/0x66c [ 429.984354][ T4379] blkdev_ioctl+0x218/0x664 [ 429.985385][ T4379] __arm64_sys_ioctl+0xd0/0x148 [ 429.986697][ T4379] invoke_syscall+0x64/0x178 [ 429.987953][ T4379] el0_svc_common+0xb8/0x174 [ 429.989036][ T4379] do_el0_svc+0x48/0x174 [ 429.990127][ T4379] el0_svc+0x34/0x110 [ 429.991119][ T4379] el0t_64_sync_handler+0x84/0xf0 [ 429.992225][ T4379] el0t_64_sync+0x18c/0x190 [ 429.993373][ T4379] debugfs: out of free dentries, can not create directory 'nbd0' [ 429.995353][ T4379] block nbd0: Failed to create debugfs dir for 'nbd0' [ 430.098666][ T4379] block nbd0: shutting down sockets [ 430.178771][ T4381] FAULT_INJECTION: forcing a failure. [ 430.178771][ T4381] name failslab, interval 1, probability 0, space 0, times 0 [ 430.181780][ T4381] CPU: 1 PID: 4381 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 430.184227][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 430.186754][ T4381] Call trace: [ 430.187522][ T4381] dump_backtrace+0x1c8/0x1f4 [ 430.188442][ T4381] show_stack+0x2c/0x3c [ 430.189490][ T4381] dump_stack_lvl+0xc0/0x104 [ 430.190700][ T4381] dump_stack+0x1c/0x4c [ 430.191817][ T4381] should_fail_ex+0x1bc/0x1e0 [ 430.192981][ T4381] __should_failslab+0x64/0x78 [ 430.194202][ T4381] should_failslab+0x10/0x28 [ 430.195477][ T4381] slab_pre_alloc_hook+0x54/0x1f4 [ 430.196579][ T4381] kmem_cache_alloc_lru+0x60/0x2ac [ 430.197791][ T4381] alloc_inode+0x7c/0x104 [ 430.198920][ T4381] new_inode+0x2c/0xc0 [ 430.200065][ T4381] debugfs_create_dir+0x98/0x1e0 [ 430.201234][ T4381] nbd_start_device+0x1b4/0x510 [ 430.202473][ T4381] nbd_ioctl+0x228/0x66c [ 430.203540][ T4381] blkdev_ioctl+0x218/0x664 [ 430.204658][ T4381] __arm64_sys_ioctl+0xd0/0x148 [ 430.205860][ T4381] invoke_syscall+0x64/0x178 [ 430.206912][ T4381] el0_svc_common+0xb8/0x174 [ 430.208084][ T4381] do_el0_svc+0x48/0x174 [ 430.209127][ T4381] el0_svc+0x34/0x110 [ 430.210199][ T4381] el0t_64_sync_handler+0x84/0xf0 [ 430.211455][ T4381] el0t_64_sync+0x18c/0x190 [ 430.212591][ T4381] debugfs: out of free dentries, can not create directory 'nbd0' [ 430.214221][ T4381] block nbd0: Failed to create debugfs dir for 'nbd0' [ 430.337744][ T4381] block nbd0: shutting down sockets [ 430.418715][ T4383] FAULT_INJECTION: forcing a failure. [ 430.418715][ T4383] name failslab, interval 1, probability 0, space 0, times 0 [ 430.421773][ T4383] CPU: 1 PID: 4383 Comm: syz-executor133 Tainted: G W 6.1.111-syzkaller #0 [ 430.424041][ T4383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 430.426405][ T4383] Call trace: [ 430.427175][ T4383] dump_backtrace+0x1c8/0x1f4 [ 430.428309][ T4383] show_stack+0x2c/0x3c [ 430.429288][ T4383] dump_stack_lvl+0xc0/0x104 [ 430.430567][ T4383] dump_stack+0x1c/0x4c [ 430.431568][ T4383] should_fail_ex+0x1bc/0x1e0 [ 430.432805][ T4383] __should_failslab+0x64/0x78 [ 430.433963][ T4383] should_failslab+0x10/0x28 [ 430.435132][ T4383] slab_pre_alloc_hook+0x54/0x1f4 [ 430.436450][ T4383] kmem_cache_alloc_lru+0x60/0x2ac [ 430.437769][ T4383] alloc_inode+0x7c/0x104 [ 430.438914][ T4383] new_inode+0x2c/0xc0 [ 430.439916][ T4383] debugfs_create_dir+0x98/0x1e0 [ 430.441184][ T4383] nbd_start_device+0x1b4/0x510 [ 430.442007][ T4383] nbd_ioctl+0x228/0x66c [ 430.443025][ T4383] blkdev_ioctl+0x218/0x664 [ 430.444110][ T4383] __arm64_sys_ioctl+0xd0/0x148 [ 430.445400][ T4383] invoke_syscall+0x64/0x178 [ 430.446420][ T4383] el0_svc_common+0xb8/0x174 [ 430.447587][ T4383] do_el0_svc+0x48/0x174 [ 430.448721][ T4383] el0_svc+0x34/0x110 [ 430.449763][ T4383] el0t_64_sync_handler+0x84/0xf0 [ 430.450998][ T4383] el0t_64_sync+0x18c/0x190 [ 430.452032][ T4383] debugfs: out of free dentries, can not create directory 'nbd0' [ 430.454023][ T4383] block nbd0: Failed to create debugfs dir for 'nbd0' [ 430.577101][ T4383] block nbd0: shutting down sockets