[ 398.771070][ T3161] block nbd0: Receive control failed (result -32) [ 398.772411][ T4204] block nbd0: shutting down sockets [ 398.883573][ T4211] block nbd0: Device being setup by another task [ 398.885069][ T4210] FAULT_INJECTION: forcing a failure. [ 398.885069][ T4210] name failslab, interval 1, probability 0, space 0, times 0 [ 398.887652][ T4210] CPU: 1 PID: 4210 Comm: syz-executor.0 Not tainted 6.1.114-syzkaller #0 [ 398.889344][ T4210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 398.891459][ T4210] Call trace: [ 398.892119][ T4210] dump_backtrace+0x1c8/0x1f4 [ 398.893044][ T4210] show_stack+0x2c/0x3c [ 398.893856][ T4210] dump_stack_lvl+0xc0/0x104 [ 398.894804][ T4210] dump_stack+0x1c/0x50 [ 398.895680][ T4210] should_fail_ex+0x1bc/0x1e0 [ 398.896639][ T4210] __should_failslab+0x64/0x78 [ 398.897587][ T4210] should_failslab+0x10/0x28 [ 398.898525][ T4210] slab_pre_alloc_hook+0x54/0x1f4 [ 398.899679][ T4210] kmem_cache_alloc_lru+0x60/0x2ac [ 398.900778][ T4210] alloc_inode+0x7c/0x104 [ 398.901654][ T4210] new_inode+0x2c/0xc0 [ 398.902817][ T4210] debugfs_create_dir+0x98/0x1e0 [ 398.903874][ T4210] nbd_start_device+0x1b4/0x510 [ 398.904839][ T4210] nbd_ioctl+0x228/0x66c [ 398.905782][ T4210] blkdev_ioctl+0x218/0x664 [ 398.906788][ T4210] __arm64_sys_ioctl+0xd0/0x148 [ 398.907835][ T4210] invoke_syscall+0x64/0x178 [ 398.908901][ T4210] el0_svc_common+0xb8/0x174 [ 398.909814][ T4210] do_el0_svc+0x48/0x174 [ 398.910680][ T4210] el0_svc+0x34/0x110 [ 398.911471][ T4210] el0t_64_sync_handler+0x84/0xf0 [ 398.912515][ T4210] el0t_64_sync+0x18c/0x190 [ 398.913475][ T4210] debugfs: out of free dentries, can not create directory 'nbd0' [ 398.915257][ T4210] block nbd0: Failed to create debugfs dir for 'nbd0' [ 399.611802][ T3161] block nbd0: Receive control failed (result -32) [ 399.611851][ T4210] block nbd0: shutting down sockets [ 399.784782][ T4214] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 400.457488][ T3161] block nbd0: Receive control failed (result -32) [ 400.457502][ T43] block nbd0: Receive control failed (result -32) [ 400.460213][ T4214] block nbd0: shutting down sockets [ 400.664800][ T4217] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 401.300615][ T43] block nbd0: Receive control failed (result -32) [ 401.300641][ T3161] block nbd0: Receive control failed (result -32) [ 401.303600][ T4217] block nbd0: shutting down sockets [ 401.464856][ T4220] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 402.143429][ T43] block nbd0: Receive control failed (result -32) [ 402.143468][ T4220] block nbd0: shutting down sockets [ 402.674144][ T1351] device bridge_slave_1 left promiscuous mode [ 402.675338][ T1351] bridge0: port 2(bridge_slave_1) entered disabled state [ 402.733789][ T1351] device bridge_slave_0 left promiscuous mode [ 402.735077][ T1351] bridge0: port 1(bridge_slave_0) entered disabled state [ 402.774652][ T1351] device veth0_macvtap left promiscuous mode [ 402.776002][ T1351] device veth1_vlan left promiscuous mode [ 402.777208][ T1351] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.10.3' (ED25519) to the list of known hosts. [ 405.653561][ T4228] block nbd0: Device being setup by another task [ 405.655269][ T4227] FAULT_INJECTION: forcing a failure. [ 405.655269][ T4227] name failslab, interval 1, probability 0, space 0, times 0 [ 405.657847][ T4227] CPU: 0 PID: 4227 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 405.659535][ T4227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 405.661527][ T4227] Call trace: [ 405.662132][ T4227] dump_backtrace+0x1c8/0x1f4 [ 405.663030][ T4227] show_stack+0x2c/0x3c [ 405.663830][ T4227] dump_stack_lvl+0xc0/0x104 [ 405.664712][ T4227] dump_stack+0x1c/0x50 [ 405.665561][ T4227] should_fail_ex+0x1bc/0x1e0 [ 405.666424][ T4227] __should_failslab+0x64/0x78 [ 405.667327][ T4227] should_failslab+0x10/0x28 [ 405.668234][ T4227] __kmem_cache_alloc_node+0x6c/0x348 [ 405.669254][ T4227] __kmalloc+0x98/0xd8 [ 405.670074][ T4227] tomoyo_supervisor+0x700/0x888 [ 405.671071][ T4227] tomoyo_path_number_perm+0x200/0x2a8 [ 405.672199][ T4227] tomoyo_file_ioctl+0x2c/0x3c [ 405.673116][ T4227] security_file_ioctl+0x4c/0x8c [ 405.674082][ T4227] __arm64_sys_ioctl+0x5c/0x148 [ 405.675114][ T4227] invoke_syscall+0x64/0x178 [ 405.676048][ T4227] el0_svc_common+0xb8/0x174 [ 405.676984][ T4227] do_el0_svc+0x48/0x174 [ 405.677817][ T4227] el0_svc+0x34/0x110 [ 405.678558][ T4227] el0t_64_sync_handler+0x84/0xf0 [ 405.679488][ T4227] el0t_64_sync+0x18c/0x190 [ 405.814521][ T4227] block nbd0: shutting down sockets [ 405.893890][ T4231] FAULT_INJECTION: forcing a failure. [ 405.893890][ T4231] name failslab, interval 1, probability 0, space 0, times 0 [ 405.896776][ T4231] CPU: 0 PID: 4231 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 405.898458][ T4231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 405.900610][ T4231] Call trace: [ 405.901263][ T4231] dump_backtrace+0x1c8/0x1f4 [ 405.902192][ T4231] show_stack+0x2c/0x3c [ 405.903024][ T4231] dump_stack_lvl+0xc0/0x104 [ 405.903911][ T4231] dump_stack+0x1c/0x50 [ 405.904854][ T4231] should_fail_ex+0x1bc/0x1e0 [ 405.905788][ T4231] __should_failslab+0x64/0x78 [ 405.906844][ T4231] should_failslab+0x10/0x28 [ 405.907849][ T4231] __kmem_cache_alloc_node+0x6c/0x348 [ 405.908947][ T4231] __kmalloc+0x98/0xd8 [ 405.909836][ T4231] tomoyo_supervisor+0x700/0x888 [ 405.910920][ T4231] tomoyo_path_number_perm+0x200/0x2a8 [ 405.912069][ T4231] tomoyo_file_ioctl+0x2c/0x3c [ 405.913230][ T4231] security_file_ioctl+0x4c/0x8c [ 405.914215][ T4231] __arm64_sys_ioctl+0x5c/0x148 [ 405.915349][ T4231] invoke_syscall+0x64/0x178 [ 405.916353][ T4231] el0_svc_common+0xb8/0x174 [ 405.917350][ T4231] do_el0_svc+0x48/0x174 [ 405.918266][ T4231] el0_svc+0x34/0x110 [ 405.919127][ T4231] el0t_64_sync_handler+0x84/0xf0 [ 405.920196][ T4231] el0t_64_sync+0x18c/0x190 [ 406.052228][ T4231] block nbd0: shutting down sockets [ 406.161806][ T4233] FAULT_INJECTION: forcing a failure. [ 406.161806][ T4233] name failslab, interval 1, probability 0, space 0, times 0 [ 406.163587][ T4234] block nbd0: Device being setup by another task [ 406.164428][ T4233] CPU: 0 PID: 4233 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 406.167411][ T4233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 406.169483][ T4233] Call trace: [ 406.170317][ T4233] dump_backtrace+0x1c8/0x1f4 [ 406.171381][ T4233] show_stack+0x2c/0x3c [ 406.172182][ T4233] dump_stack_lvl+0xc0/0x104 [ 406.173216][ T4233] dump_stack+0x1c/0x50 [ 406.174018][ T4233] should_fail_ex+0x1bc/0x1e0 [ 406.174966][ T4233] __should_failslab+0x64/0x78 [ 406.175946][ T4233] should_failslab+0x10/0x28 [ 406.176965][ T4233] __kmem_cache_alloc_node+0x6c/0x348 [ 406.178089][ T4233] __kmalloc+0x98/0xd8 [ 406.178963][ T4233] tomoyo_supervisor+0x700/0x888 [ 406.179995][ T4233] tomoyo_path_number_perm+0x200/0x2a8 [ 406.181118][ T4233] tomoyo_file_ioctl+0x2c/0x3c [ 406.182174][ T4233] security_file_ioctl+0x4c/0x8c [ 406.183222][ T4233] __arm64_sys_ioctl+0x5c/0x148 [ 406.184229][ T4233] invoke_syscall+0x64/0x178 [ 406.185145][ T4233] el0_svc_common+0xb8/0x174 [ 406.186037][ T4233] do_el0_svc+0x48/0x174 [ 406.186975][ T4233] el0_svc+0x34/0x110 [ 406.187810][ T4233] el0t_64_sync_handler+0x84/0xf0 [ 406.188859][ T4233] el0t_64_sync+0x18c/0x190 [ 406.320687][ T4233] block nbd0: shutting down sockets [ 406.413888][ T4236] FAULT_INJECTION: forcing a failure. [ 406.413888][ T4236] name failslab, interval 1, probability 0, space 0, times 0 [ 406.416567][ T4236] CPU: 0 PID: 4236 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 406.418373][ T4236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 406.420495][ T4236] Call trace: [ 406.421194][ T4236] dump_backtrace+0x1c8/0x1f4 [ 406.422144][ T4236] show_stack+0x2c/0x3c [ 406.423047][ T4236] dump_stack_lvl+0xc0/0x104 [ 406.423985][ T4236] dump_stack+0x1c/0x50 [ 406.424816][ T4236] should_fail_ex+0x1bc/0x1e0 [ 406.425733][ T4236] __should_failslab+0x64/0x78 [ 406.426771][ T4236] should_failslab+0x10/0x28 [ 406.427739][ T4236] __kmem_cache_alloc_node+0x6c/0x348 [ 406.428838][ T4236] __kmalloc+0x98/0xd8 [ 406.429704][ T4236] tomoyo_supervisor+0x700/0x888 [ 406.430781][ T4236] tomoyo_path_number_perm+0x200/0x2a8 [ 406.431989][ T4236] tomoyo_file_ioctl+0x2c/0x3c [ 406.433054][ T4236] security_file_ioctl+0x4c/0x8c [ 406.434068][ T4236] __arm64_sys_ioctl+0x5c/0x148 [ 406.435056][ T4236] invoke_syscall+0x64/0x178 [ 406.436056][ T4236] el0_svc_common+0xb8/0x174 [ 406.437047][ T4236] do_el0_svc+0x48/0x174 [ 406.438020][ T4236] el0_svc+0x34/0x110 [ 406.438887][ T4236] el0t_64_sync_handler+0x84/0xf0 [ 406.439989][ T4236] el0t_64_sync+0x18c/0x190 [ 406.573410][ T4236] block nbd0: shutting down sockets [ 406.683649][ T4239] block nbd0: Device being setup by another task [ 406.683857][ T4238] FAULT_INJECTION: forcing a failure. [ 406.683857][ T4238] name failslab, interval 1, probability 0, space 0, times 0 [ 406.687631][ T4238] CPU: 1 PID: 4238 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 406.689227][ T4238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 406.691294][ T4238] Call trace: [ 406.691959][ T4238] dump_backtrace+0x1c8/0x1f4 [ 406.692837][ T4238] show_stack+0x2c/0x3c [ 406.693694][ T4238] dump_stack_lvl+0xc0/0x104 [ 406.694628][ T4238] dump_stack+0x1c/0x50 [ 406.695472][ T4238] should_fail_ex+0x1bc/0x1e0 [ 406.696426][ T4238] __should_failslab+0x64/0x78 [ 406.697430][ T4238] should_failslab+0x10/0x28 [ 406.698342][ T4238] __kmem_cache_alloc_node+0x6c/0x348 [ 406.699490][ T4238] __kmalloc+0x98/0xd8 [ 406.700270][ T4238] tomoyo_supervisor+0x700/0x888 [ 406.701322][ T4238] tomoyo_path_number_perm+0x200/0x2a8 [ 406.702501][ T4238] tomoyo_file_ioctl+0x2c/0x3c [ 406.703493][ T4238] security_file_ioctl+0x4c/0x8c [ 406.704551][ T4238] __arm64_sys_ioctl+0x5c/0x148 [ 406.705588][ T4238] invoke_syscall+0x64/0x178 [ 406.706625][ T4238] el0_svc_common+0xb8/0x174 [ 406.707562][ T4238] do_el0_svc+0x48/0x174 [ 406.708461][ T4238] el0_svc+0x34/0x110 [ 406.709358][ T4238] el0t_64_sync_handler+0x84/0xf0 [ 406.710380][ T4238] el0t_64_sync+0x18c/0x190 [ 406.842330][ T4238] block nbd0: shutting down sockets [ 406.952818][ T4241] FAULT_INJECTION: forcing a failure. [ 406.952818][ T4241] name failslab, interval 1, probability 0, space 0, times 0 [ 406.953552][ T4242] block nbd0: Device being setup by another task [ 406.955769][ T4241] CPU: 1 PID: 4241 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 406.958607][ T4241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 406.960741][ T4241] Call trace: [ 406.961384][ T4241] dump_backtrace+0x1c8/0x1f4 [ 406.962455][ T4241] show_stack+0x2c/0x3c [ 406.963458][ T4241] dump_stack_lvl+0xc0/0x104 [ 406.964362][ T4241] dump_stack+0x1c/0x50 [ 406.965229][ T4241] should_fail_ex+0x1bc/0x1e0 [ 406.966214][ T4241] __should_failslab+0x64/0x78 [ 406.967260][ T4241] should_failslab+0x10/0x28 [ 406.968111][ T4241] __kmem_cache_alloc_node+0x6c/0x348 [ 406.969255][ T4241] __kmalloc+0x98/0xd8 [ 406.970002][ T4241] tomoyo_supervisor+0x700/0x888 [ 406.971064][ T4241] tomoyo_path_number_perm+0x200/0x2a8 [ 406.972189][ T4241] tomoyo_file_ioctl+0x2c/0x3c [ 406.973148][ T4241] security_file_ioctl+0x4c/0x8c [ 406.974191][ T4241] __arm64_sys_ioctl+0x5c/0x148 [ 406.975283][ T4241] invoke_syscall+0x64/0x178 [ 406.976211][ T4241] el0_svc_common+0xb8/0x174 [ 406.977279][ T4241] do_el0_svc+0x48/0x174 [ 406.978102][ T4241] el0_svc+0x34/0x110 [ 406.978910][ T4241] el0t_64_sync_handler+0x84/0xf0 [ 406.980018][ T4241] el0t_64_sync+0x18c/0x190 [ 407.112327][ T4241] block nbd0: shutting down sockets [ 407.222858][ T4244] FAULT_INJECTION: forcing a failure. [ 407.222858][ T4244] name failslab, interval 1, probability 0, space 0, times 0 [ 407.225629][ T4244] CPU: 1 PID: 4244 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 407.227346][ T4244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 407.229322][ T4244] Call trace: [ 407.230042][ T4244] dump_backtrace+0x1c8/0x1f4 [ 407.231041][ T4244] show_stack+0x2c/0x3c [ 407.231848][ T4244] dump_stack_lvl+0xc0/0x104 [ 407.232858][ T4244] dump_stack+0x1c/0x50 [ 407.233688][ T4244] should_fail_ex+0x1bc/0x1e0 [ 407.234641][ T4244] __should_failslab+0x64/0x78 [ 407.235572][ T4244] should_failslab+0x10/0x28 [ 407.236522][ T4244] __kmem_cache_alloc_node+0x6c/0x348 [ 407.237758][ T4244] __kmalloc+0x98/0xd8 [ 407.238624][ T4244] tomoyo_supervisor+0x700/0x888 [ 407.239634][ T4244] tomoyo_path_number_perm+0x200/0x2a8 [ 407.240824][ T4244] tomoyo_file_ioctl+0x2c/0x3c [ 407.241781][ T4244] security_file_ioctl+0x4c/0x8c [ 407.242882][ T4244] __arm64_sys_ioctl+0x5c/0x148 [ 407.243914][ T4244] invoke_syscall+0x64/0x178 [ 407.244900][ T4244] el0_svc_common+0xb8/0x174 [ 407.245828][ T4244] do_el0_svc+0x48/0x174 [ 407.246707][ T4244] el0_svc+0x34/0x110 [ 407.247544][ T4244] el0t_64_sync_handler+0x84/0xf0 [ 407.248577][ T4244] el0t_64_sync+0x18c/0x190 [ 407.273540][ T4245] block nbd0: Device being setup by another task [ 407.381439][ T4244] block nbd0: shutting down sockets [ 407.491787][ T4247] FAULT_INJECTION: forcing a failure. [ 407.491787][ T4247] name failslab, interval 1, probability 0, space 0, times 0 [ 407.494599][ T4248] block nbd0: Device being setup by another task [ 407.495679][ T4247] CPU: 0 PID: 4247 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 407.497808][ T4247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 407.499821][ T4247] Call trace: [ 407.500497][ T4247] dump_backtrace+0x1c8/0x1f4 [ 407.501441][ T4247] show_stack+0x2c/0x3c [ 407.502234][ T4247] dump_stack_lvl+0xc0/0x104 [ 407.503107][ T4247] dump_stack+0x1c/0x50 [ 407.503878][ T4247] should_fail_ex+0x1bc/0x1e0 [ 407.504851][ T4247] __should_failslab+0x64/0x78 [ 407.505874][ T4247] should_failslab+0x10/0x28 [ 407.506800][ T4247] __kmem_cache_alloc_node+0x6c/0x348 [ 407.507875][ T4247] __kmalloc+0x98/0xd8 [ 407.508692][ T4247] tomoyo_supervisor+0x700/0x888 [ 407.509719][ T4247] tomoyo_path_number_perm+0x200/0x2a8 [ 407.510886][ T4247] tomoyo_file_ioctl+0x2c/0x3c [ 407.511877][ T4247] security_file_ioctl+0x4c/0x8c [ 407.512980][ T4247] __arm64_sys_ioctl+0x5c/0x148 [ 407.513984][ T4247] invoke_syscall+0x64/0x178 [ 407.515017][ T4247] el0_svc_common+0xb8/0x174 [ 407.515954][ T4247] do_el0_svc+0x48/0x174 [ 407.516857][ T4247] el0_svc+0x34/0x110 [ 407.517847][ T4247] el0t_64_sync_handler+0x84/0xf0 [ 407.518899][ T4247] el0t_64_sync+0x18c/0x190 [ 407.650100][ T4247] block nbd0: shutting down sockets [ 407.743862][ T4250] FAULT_INJECTION: forcing a failure. [ 407.743862][ T4250] name failslab, interval 1, probability 0, space 0, times 0 [ 407.746677][ T4250] CPU: 1 PID: 4250 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 407.748520][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 407.750538][ T4250] Call trace: [ 407.751222][ T4250] dump_backtrace+0x1c8/0x1f4 [ 407.752333][ T4250] show_stack+0x2c/0x3c [ 407.753243][ T4250] dump_stack_lvl+0xc0/0x104 [ 407.754197][ T4250] dump_stack+0x1c/0x50 [ 407.755047][ T4250] should_fail_ex+0x1bc/0x1e0 [ 407.756011][ T4250] __should_failslab+0x64/0x78 [ 407.756982][ T4250] should_failslab+0x10/0x28 [ 407.758023][ T4250] __kmem_cache_alloc_node+0x6c/0x348 [ 407.759170][ T4250] __kmalloc+0x98/0xd8 [ 407.760039][ T4250] tomoyo_supervisor+0x700/0x888 [ 407.761134][ T4250] tomoyo_path_number_perm+0x200/0x2a8 [ 407.762228][ T4250] tomoyo_file_ioctl+0x2c/0x3c [ 407.763271][ T4250] security_file_ioctl+0x4c/0x8c [ 407.764328][ T4250] __arm64_sys_ioctl+0x5c/0x148 [ 407.765363][ T4250] invoke_syscall+0x64/0x178 [ 407.766384][ T4250] el0_svc_common+0xb8/0x174 [ 407.767335][ T4250] do_el0_svc+0x48/0x174 [ 407.768250][ T4250] el0_svc+0x34/0x110 [ 407.769163][ T4250] el0t_64_sync_handler+0x84/0xf0 [ 407.770213][ T4250] el0t_64_sync+0x18c/0x190 [ 407.903003][ T4250] block nbd0: shutting down sockets [ 408.012842][ T4252] FAULT_INJECTION: forcing a failure. [ 408.012842][ T4252] name failslab, interval 1, probability 0, space 0, times 0 [ 408.015612][ T4252] CPU: 1 PID: 4252 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 408.017385][ T4252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.019551][ T4252] Call trace: [ 408.020338][ T4252] dump_backtrace+0x1c8/0x1f4 [ 408.021293][ T4252] show_stack+0x2c/0x3c [ 408.022084][ T4252] dump_stack_lvl+0xc0/0x104 [ 408.023107][ T4252] dump_stack+0x1c/0x50 [ 408.023944][ T4252] should_fail_ex+0x1bc/0x1e0 [ 408.024937][ T4252] __should_failslab+0x64/0x78 [ 408.025921][ T4252] should_failslab+0x10/0x28 [ 408.026846][ T4252] __kmem_cache_alloc_node+0x6c/0x348 [ 408.027870][ T4252] __kmalloc+0x98/0xd8 [ 408.028679][ T4252] tomoyo_supervisor+0x700/0x888 [ 408.029857][ T4252] tomoyo_path_number_perm+0x200/0x2a8 [ 408.030944][ T4252] tomoyo_file_ioctl+0x2c/0x3c [ 408.032023][ T4252] security_file_ioctl+0x4c/0x8c [ 408.033032][ T4252] __arm64_sys_ioctl+0x5c/0x148 [ 408.034058][ T4252] invoke_syscall+0x64/0x178 [ 408.035043][ T4252] el0_svc_common+0xb8/0x174 [ 408.036037][ T4252] do_el0_svc+0x48/0x174 [ 408.036890][ T4252] el0_svc+0x34/0x110 [ 408.037762][ T4252] el0t_64_sync_handler+0x84/0xf0 [ 408.038752][ T4252] el0t_64_sync+0x18c/0x190 [ 408.053543][ T4253] block nbd0: Device being setup by another task [ 408.171297][ T4252] block nbd0: shutting down sockets [ 408.280784][ T4255] FAULT_INJECTION: forcing a failure. [ 408.280784][ T4255] name failslab, interval 1, probability 0, space 0, times 0 [ 408.283321][ T4255] CPU: 0 PID: 4255 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 408.285047][ T4255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.286982][ T4255] Call trace: [ 408.287643][ T4255] dump_backtrace+0x1c8/0x1f4 [ 408.288594][ T4255] show_stack+0x2c/0x3c [ 408.289439][ T4255] dump_stack_lvl+0xc0/0x104 [ 408.290356][ T4255] dump_stack+0x1c/0x50 [ 408.291171][ T4255] should_fail_ex+0x1bc/0x1e0 [ 408.292144][ T4255] __should_failslab+0x64/0x78 [ 408.293125][ T4255] should_failslab+0x10/0x28 [ 408.294146][ T4255] __kmem_cache_alloc_node+0x6c/0x348 [ 408.295393][ T4255] __kmalloc+0x98/0xd8 [ 408.296253][ T4255] tomoyo_supervisor+0x700/0x888 [ 408.297248][ T4255] tomoyo_path_number_perm+0x200/0x2a8 [ 408.298459][ T4255] tomoyo_file_ioctl+0x2c/0x3c [ 408.299370][ T4255] security_file_ioctl+0x4c/0x8c [ 408.300449][ T4255] __arm64_sys_ioctl+0x5c/0x148 [ 408.301463][ T4255] invoke_syscall+0x64/0x178 [ 408.302521][ T4255] el0_svc_common+0xb8/0x174 [ 408.303508][ T4255] do_el0_svc+0x48/0x174 [ 408.304408][ T4255] el0_svc+0x34/0x110 [ 408.305173][ T4255] el0t_64_sync_handler+0x84/0xf0 [ 408.306342][ T4255] el0t_64_sync+0x18c/0x190 [ 408.333542][ T4256] block nbd0: Device being setup by another task [ 408.440014][ T4255] block nbd0: shutting down sockets [ 408.533886][ T4258] FAULT_INJECTION: forcing a failure. [ 408.533886][ T4258] name failslab, interval 1, probability 0, space 0, times 0 [ 408.536597][ T4258] CPU: 0 PID: 4258 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 408.538410][ T4258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.540474][ T4258] Call trace: [ 408.541124][ T4258] dump_backtrace+0x1c8/0x1f4 [ 408.541988][ T4258] show_stack+0x2c/0x3c [ 408.542793][ T4258] dump_stack_lvl+0xc0/0x104 [ 408.543761][ T4258] dump_stack+0x1c/0x50 [ 408.544688][ T4258] should_fail_ex+0x1bc/0x1e0 [ 408.545675][ T4258] __should_failslab+0x64/0x78 [ 408.546656][ T4258] should_failslab+0x10/0x28 [ 408.547593][ T4258] __kmem_cache_alloc_node+0x6c/0x348 [ 408.548782][ T4258] __kmalloc+0x98/0xd8 [ 408.549728][ T4258] tomoyo_supervisor+0x700/0x888 [ 408.550768][ T4258] tomoyo_path_number_perm+0x200/0x2a8 [ 408.551958][ T4258] tomoyo_file_ioctl+0x2c/0x3c [ 408.552980][ T4258] security_file_ioctl+0x4c/0x8c [ 408.554206][ T4258] __arm64_sys_ioctl+0x5c/0x148 [ 408.555316][ T4258] invoke_syscall+0x64/0x178 [ 408.556349][ T4258] el0_svc_common+0xb8/0x174 [ 408.557335][ T4258] do_el0_svc+0x48/0x174 [ 408.558225][ T4258] el0_svc+0x34/0x110 [ 408.559102][ T4258] el0t_64_sync_handler+0x84/0xf0 [ 408.560211][ T4258] el0t_64_sync+0x18c/0x190 [ 408.692267][ T4258] block nbd0: shutting down sockets [ 408.802788][ T4260] FAULT_INJECTION: forcing a failure. [ 408.802788][ T4260] name failslab, interval 1, probability 0, space 0, times 0 [ 408.805619][ T4260] CPU: 1 PID: 4260 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 408.807294][ T4260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.809486][ T4260] Call trace: [ 408.810126][ T4260] dump_backtrace+0x1c8/0x1f4 [ 408.811117][ T4260] show_stack+0x2c/0x3c [ 408.812018][ T4260] dump_stack_lvl+0xc0/0x104 [ 408.813078][ T4260] dump_stack+0x1c/0x50 [ 408.813588][ T4261] block nbd0: Device being setup by another task [ 408.814006][ T4260] should_fail_ex+0x1bc/0x1e0 [ 408.816256][ T4260] __should_failslab+0x64/0x78 [ 408.817397][ T4260] should_failslab+0x10/0x28 [ 408.818307][ T4260] __kmem_cache_alloc_node+0x6c/0x348 [ 408.819460][ T4260] __kmalloc+0x98/0xd8 [ 408.820429][ T4260] tomoyo_supervisor+0x700/0x888 [ 408.821510][ T4260] tomoyo_path_number_perm+0x200/0x2a8 [ 408.822671][ T4260] tomoyo_file_ioctl+0x2c/0x3c [ 408.823638][ T4260] security_file_ioctl+0x4c/0x8c [ 408.824740][ T4260] __arm64_sys_ioctl+0x5c/0x148 [ 408.825723][ T4260] invoke_syscall+0x64/0x178 [ 408.826726][ T4260] el0_svc_common+0xb8/0x174 [ 408.827761][ T4260] do_el0_svc+0x48/0x174 [ 408.828853][ T4260] el0_svc+0x34/0x110 [ 408.829709][ T4260] el0t_64_sync_handler+0x84/0xf0 [ 408.830756][ T4260] el0t_64_sync+0x18c/0x190 [ 408.961218][ T4260] block nbd0: shutting down sockets [ 409.071838][ T4263] FAULT_INJECTION: forcing a failure. [ 409.071838][ T4263] name failslab, interval 1, probability 0, space 0, times 0 [ 409.074593][ T4263] CPU: 1 PID: 4263 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 409.076534][ T4263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.078564][ T4263] Call trace: [ 409.079230][ T4263] dump_backtrace+0x1c8/0x1f4 [ 409.080279][ T4263] show_stack+0x2c/0x3c [ 409.081115][ T4263] dump_stack_lvl+0xc0/0x104 [ 409.082141][ T4263] dump_stack+0x1c/0x50 [ 409.083093][ T4263] should_fail_ex+0x1bc/0x1e0 [ 409.084065][ T4263] __should_failslab+0x64/0x78 [ 409.085105][ T4263] should_failslab+0x10/0x28 [ 409.086087][ T4263] __kmem_cache_alloc_node+0x6c/0x348 [ 409.087173][ T4263] __kmalloc+0x98/0xd8 [ 409.088052][ T4263] tomoyo_supervisor+0x700/0x888 [ 409.089085][ T4263] tomoyo_path_number_perm+0x200/0x2a8 [ 409.090230][ T4263] tomoyo_file_ioctl+0x2c/0x3c [ 409.091321][ T4263] security_file_ioctl+0x4c/0x8c [ 409.092335][ T4263] __arm64_sys_ioctl+0x5c/0x148 [ 409.093429][ T4263] invoke_syscall+0x64/0x178 [ 409.094439][ T4263] el0_svc_common+0xb8/0x174 [ 409.095366][ T4263] do_el0_svc+0x48/0x174 [ 409.096317][ T4263] el0_svc+0x34/0x110 [ 409.097172][ T4263] el0t_64_sync_handler+0x84/0xf0 [ 409.098222][ T4263] el0t_64_sync+0x18c/0x190 [ 409.123560][ T4264] block nbd0: Device being setup by another task [ 409.232016][ T4263] block nbd0: shutting down sockets [ 409.341772][ T4266] FAULT_INJECTION: forcing a failure. [ 409.341772][ T4266] name failslab, interval 1, probability 0, space 0, times 0 [ 409.344269][ T4266] CPU: 0 PID: 4266 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 409.345982][ T4266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.348064][ T4266] Call trace: [ 409.348706][ T4266] dump_backtrace+0x1c8/0x1f4 [ 409.349707][ T4266] show_stack+0x2c/0x3c [ 409.350538][ T4266] dump_stack_lvl+0xc0/0x104 [ 409.351563][ T4266] dump_stack+0x1c/0x50 [ 409.352449][ T4266] should_fail_ex+0x1bc/0x1e0 [ 409.353437][ T4266] __should_failslab+0x64/0x78 [ 409.354519][ T4266] should_failslab+0x10/0x28 [ 409.355482][ T4266] __kmem_cache_alloc_node+0x6c/0x348 [ 409.356551][ T4266] __kmalloc+0x98/0xd8 [ 409.357442][ T4266] tomoyo_supervisor+0x700/0x888 [ 409.358479][ T4266] tomoyo_path_number_perm+0x200/0x2a8 [ 409.359617][ T4266] tomoyo_file_ioctl+0x2c/0x3c [ 409.360635][ T4266] security_file_ioctl+0x4c/0x8c [ 409.361644][ T4266] __arm64_sys_ioctl+0x5c/0x148 [ 409.362628][ T4266] invoke_syscall+0x64/0x178 [ 409.363589][ T4266] el0_svc_common+0xb8/0x174 [ 409.364576][ T4266] do_el0_svc+0x48/0x174 [ 409.365478][ T4266] el0_svc+0x34/0x110 [ 409.366352][ T4266] el0t_64_sync_handler+0x84/0xf0 [ 409.367424][ T4266] el0t_64_sync+0x18c/0x190 [ 409.368459][ T4267] block nbd0: Device being setup by another task [ 409.502081][ T4266] block nbd0: shutting down sockets [ 409.611796][ T4269] FAULT_INJECTION: forcing a failure. [ 409.611796][ T4269] name failslab, interval 1, probability 0, space 0, times 0 [ 409.614535][ T4270] block nbd0: Device being setup by another task [ 409.615617][ T4269] CPU: 0 PID: 4269 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 409.617758][ T4269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.620121][ T4269] Call trace: [ 409.620758][ T4269] dump_backtrace+0x1c8/0x1f4 [ 409.621726][ T4269] show_stack+0x2c/0x3c [ 409.622550][ T4269] dump_stack_lvl+0xc0/0x104 [ 409.623519][ T4269] dump_stack+0x1c/0x50 [ 409.624279][ T4269] should_fail_ex+0x1bc/0x1e0 [ 409.625270][ T4269] __should_failslab+0x64/0x78 [ 409.626282][ T4269] should_failslab+0x10/0x28 [ 409.627193][ T4269] __kmem_cache_alloc_node+0x6c/0x348 [ 409.628292][ T4269] __kmalloc+0x98/0xd8 [ 409.629103][ T4269] tomoyo_supervisor+0x700/0x888 [ 409.630180][ T4269] tomoyo_path_number_perm+0x200/0x2a8 [ 409.631342][ T4269] tomoyo_file_ioctl+0x2c/0x3c [ 409.632255][ T4269] security_file_ioctl+0x4c/0x8c [ 409.633272][ T4269] __arm64_sys_ioctl+0x5c/0x148 [ 409.634309][ T4269] invoke_syscall+0x64/0x178 [ 409.635187][ T4269] el0_svc_common+0xb8/0x174 [ 409.636070][ T4269] do_el0_svc+0x48/0x174 [ 409.636943][ T4269] el0_svc+0x34/0x110 [ 409.637871][ T4269] el0t_64_sync_handler+0x84/0xf0 [ 409.639008][ T4269] el0t_64_sync+0x18c/0x190 [ 409.771412][ T4269] block nbd0: shutting down sockets [ 409.880789][ T4272] FAULT_INJECTION: forcing a failure. [ 409.880789][ T4272] name failslab, interval 1, probability 0, space 0, times 0 [ 409.883325][ T4272] CPU: 1 PID: 4272 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 409.885062][ T4272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.887113][ T4272] Call trace: [ 409.887758][ T4272] dump_backtrace+0x1c8/0x1f4 [ 409.888805][ T4272] show_stack+0x2c/0x3c [ 409.889724][ T4272] dump_stack_lvl+0xc0/0x104 [ 409.890665][ T4272] dump_stack+0x1c/0x50 [ 409.891613][ T4272] should_fail_ex+0x1bc/0x1e0 [ 409.892597][ T4272] __should_failslab+0x64/0x78 [ 409.893613][ T4272] should_failslab+0x10/0x28 [ 409.894687][ T4272] __kmem_cache_alloc_node+0x6c/0x348 [ 409.895765][ T4272] __kmalloc+0x98/0xd8 [ 409.896669][ T4272] tomoyo_supervisor+0x700/0x888 [ 409.897710][ T4272] tomoyo_path_number_perm+0x200/0x2a8 [ 409.898843][ T4272] tomoyo_file_ioctl+0x2c/0x3c [ 409.899931][ T4272] security_file_ioctl+0x4c/0x8c [ 409.900990][ T4272] __arm64_sys_ioctl+0x5c/0x148 [ 409.901903][ T4272] invoke_syscall+0x64/0x178 [ 409.902829][ T4272] el0_svc_common+0xb8/0x174 [ 409.903730][ T4272] do_el0_svc+0x48/0x174 [ 409.904667][ T4272] el0_svc+0x34/0x110 [ 409.905441][ T4272] el0t_64_sync_handler+0x84/0xf0 [ 409.906532][ T4272] el0t_64_sync+0x18c/0x190 [ 409.907500][ T4273] block nbd0: Device being setup by another task [ 410.039093][ T4272] block nbd0: shutting down sockets [ 410.133840][ T4275] FAULT_INJECTION: forcing a failure. [ 410.133840][ T4275] name failslab, interval 1, probability 0, space 0, times 0 [ 410.136471][ T4275] CPU: 0 PID: 4275 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 410.138185][ T4275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.140174][ T4275] Call trace: [ 410.140815][ T4275] dump_backtrace+0x1c8/0x1f4 [ 410.141768][ T4275] show_stack+0x2c/0x3c [ 410.142669][ T4275] dump_stack_lvl+0xc0/0x104 [ 410.143604][ T4275] dump_stack+0x1c/0x50 [ 410.144477][ T4275] should_fail_ex+0x1bc/0x1e0 [ 410.145404][ T4275] __should_failslab+0x64/0x78 [ 410.146513][ T4275] should_failslab+0x10/0x28 [ 410.147424][ T4275] __kmem_cache_alloc_node+0x6c/0x348 [ 410.148630][ T4275] __kmalloc+0x98/0xd8 [ 410.149524][ T4275] tomoyo_supervisor+0x700/0x888 [ 410.150590][ T4275] tomoyo_path_number_perm+0x200/0x2a8 [ 410.151731][ T4275] tomoyo_file_ioctl+0x2c/0x3c [ 410.152815][ T4275] security_file_ioctl+0x4c/0x8c [ 410.153737][ T4275] __arm64_sys_ioctl+0x5c/0x148 [ 410.154723][ T4275] invoke_syscall+0x64/0x178 [ 410.155607][ T4275] el0_svc_common+0xb8/0x174 [ 410.156464][ T4275] do_el0_svc+0x48/0x174 [ 410.157406][ T4275] el0_svc+0x34/0x110 [ 410.158201][ T4275] el0t_64_sync_handler+0x84/0xf0 [ 410.159309][ T4275] el0t_64_sync+0x18c/0x190 [ 410.293377][ T4275] block nbd0: shutting down sockets [ 410.373845][ T4277] FAULT_INJECTION: forcing a failure. [ 410.373845][ T4277] name failslab, interval 1, probability 0, space 0, times 0 [ 410.376618][ T4277] CPU: 1 PID: 4277 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 410.378440][ T4277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.380681][ T4277] Call trace: [ 410.381373][ T4277] dump_backtrace+0x1c8/0x1f4 [ 410.382330][ T4277] show_stack+0x2c/0x3c [ 410.383066][ T4277] dump_stack_lvl+0xc0/0x104 [ 410.384130][ T4277] dump_stack+0x1c/0x50 [ 410.384998][ T4277] should_fail_ex+0x1bc/0x1e0 [ 410.386070][ T4277] __should_failslab+0x64/0x78 [ 410.387019][ T4277] should_failslab+0x10/0x28 [ 410.387971][ T4277] __kmem_cache_alloc_node+0x6c/0x348 [ 410.389081][ T4277] __kmalloc+0x98/0xd8 [ 410.389944][ T4277] tomoyo_supervisor+0x700/0x888 [ 410.391019][ T4277] tomoyo_path_number_perm+0x200/0x2a8 [ 410.392206][ T4277] tomoyo_file_ioctl+0x2c/0x3c [ 410.393272][ T4277] security_file_ioctl+0x4c/0x8c [ 410.394281][ T4277] __arm64_sys_ioctl+0x5c/0x148 [ 410.395279][ T4277] invoke_syscall+0x64/0x178 [ 410.396212][ T4277] el0_svc_common+0xb8/0x174 [ 410.397088][ T4277] do_el0_svc+0x48/0x174 [ 410.397981][ T4277] el0_svc+0x34/0x110 [ 410.398886][ T4277] el0t_64_sync_handler+0x84/0xf0 [ 410.400046][ T4277] el0t_64_sync+0x18c/0x190 [ 410.532772][ T4277] block nbd0: shutting down sockets [ 410.642831][ T4279] FAULT_INJECTION: forcing a failure. [ 410.642831][ T4279] name failslab, interval 1, probability 0, space 0, times 0 [ 410.645469][ T4279] CPU: 0 PID: 4279 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 410.647353][ T4279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.649468][ T4279] Call trace: [ 410.650157][ T4279] dump_backtrace+0x1c8/0x1f4 [ 410.651087][ T4279] show_stack+0x2c/0x3c [ 410.651934][ T4279] dump_stack_lvl+0xc0/0x104 [ 410.652873][ T4279] dump_stack+0x1c/0x50 [ 410.653765][ T4279] should_fail_ex+0x1bc/0x1e0 [ 410.654793][ T4279] __should_failslab+0x64/0x78 [ 410.655717][ T4279] should_failslab+0x10/0x28 [ 410.656619][ T4279] __kmem_cache_alloc_node+0x6c/0x348 [ 410.657637][ T4279] __kmalloc+0x98/0xd8 [ 410.658484][ T4279] tomoyo_supervisor+0x700/0x888 [ 410.659564][ T4279] tomoyo_path_number_perm+0x200/0x2a8 [ 410.660697][ T4279] tomoyo_file_ioctl+0x2c/0x3c [ 410.661707][ T4279] security_file_ioctl+0x4c/0x8c [ 410.662728][ T4279] __arm64_sys_ioctl+0x5c/0x148 [ 410.663877][ T4279] invoke_syscall+0x64/0x178 [ 410.664892][ T4279] el0_svc_common+0xb8/0x174 [ 410.665989][ T4279] do_el0_svc+0x48/0x174 [ 410.666889][ T4279] el0_svc+0x34/0x110 [ 410.667810][ T4279] el0t_64_sync_handler+0x84/0xf0 [ 410.668809][ T4279] el0t_64_sync+0x18c/0x190 [ 410.673557][ T4280] block nbd0: Device being setup by another task [ 410.801293][ T4279] block nbd0: shutting down sockets [ 410.903854][ T4282] FAULT_INJECTION: forcing a failure. [ 410.903854][ T4282] name failslab, interval 1, probability 0, space 0, times 0 [ 410.906584][ T4282] CPU: 0 PID: 4282 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 410.908387][ T4282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.910692][ T4282] Call trace: [ 410.911351][ T4282] dump_backtrace+0x1c8/0x1f4 [ 410.912247][ T4282] show_stack+0x2c/0x3c [ 410.913204][ T4282] dump_stack_lvl+0xc0/0x104 [ 410.914165][ T4282] dump_stack+0x1c/0x50 [ 410.915236][ T4282] should_fail_ex+0x1bc/0x1e0 [ 410.916225][ T4282] __should_failslab+0x64/0x78 [ 410.917216][ T4282] should_failslab+0x10/0x28 [ 410.918099][ T4282] __kmem_cache_alloc_node+0x6c/0x348 [ 410.919352][ T4282] __kmalloc+0x98/0xd8 [ 410.920264][ T4282] tomoyo_supervisor+0x700/0x888 [ 410.921386][ T4282] tomoyo_path_number_perm+0x200/0x2a8 [ 410.922557][ T4282] tomoyo_file_ioctl+0x2c/0x3c [ 410.923488][ T4282] security_file_ioctl+0x4c/0x8c [ 410.924517][ T4282] __arm64_sys_ioctl+0x5c/0x148 [ 410.925457][ T4282] invoke_syscall+0x64/0x178 [ 410.926541][ T4282] el0_svc_common+0xb8/0x174 [ 410.927392][ T4282] do_el0_svc+0x48/0x174 [ 410.928358][ T4282] el0_svc+0x34/0x110 [ 410.929186][ T4282] el0t_64_sync_handler+0x84/0xf0 [ 410.930258][ T4282] el0t_64_sync+0x18c/0x190 [ 411.062691][ T4282] block nbd0: shutting down sockets [ 411.155008][ T4285] FAULT_INJECTION: forcing a failure. [ 411.155008][ T4285] name failslab, interval 1, probability 0, space 0, times 0 [ 411.157711][ T4285] CPU: 0 PID: 4285 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 411.159508][ T4285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.161548][ T4285] Call trace: [ 411.162210][ T4285] dump_backtrace+0x1c8/0x1f4 [ 411.163229][ T4285] show_stack+0x2c/0x3c [ 411.164175][ T4285] dump_stack_lvl+0xc0/0x104 [ 411.165061][ T4285] dump_stack+0x1c/0x50 [ 411.166028][ T4285] should_fail_ex+0x1bc/0x1e0 [ 411.166959][ T4285] __should_failslab+0x64/0x78 [ 411.168034][ T4285] should_failslab+0x10/0x28 [ 411.169038][ T4285] __kmem_cache_alloc_node+0x6c/0x348 [ 411.170154][ T4285] __kmalloc+0x98/0xd8 [ 411.171044][ T4285] tomoyo_supervisor+0x700/0x888 [ 411.172050][ T4285] tomoyo_path_number_perm+0x200/0x2a8 [ 411.173177][ T4285] tomoyo_file_ioctl+0x2c/0x3c [ 411.174187][ T4285] security_file_ioctl+0x4c/0x8c [ 411.175296][ T4285] __arm64_sys_ioctl+0x5c/0x148 [ 411.176378][ T4285] invoke_syscall+0x64/0x178 [ 411.177343][ T4285] el0_svc_common+0xb8/0x174 [ 411.178291][ T4285] do_el0_svc+0x48/0x174 [ 411.179166][ T4285] el0_svc+0x34/0x110 [ 411.180010][ T4285] el0t_64_sync_handler+0x84/0xf0 [ 411.181137][ T4285] el0t_64_sync+0x18c/0x190 [ 411.313878][ T4285] block nbd0: shutting down sockets [ 411.393835][ T4287] FAULT_INJECTION: forcing a failure. [ 411.393835][ T4287] name failslab, interval 1, probability 0, space 0, times 0 [ 411.396472][ T4287] CPU: 0 PID: 4287 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 411.398261][ T4287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.400180][ T4287] Call trace: [ 411.400866][ T4287] dump_backtrace+0x1c8/0x1f4 [ 411.401984][ T4287] show_stack+0x2c/0x3c [ 411.402835][ T4287] dump_stack_lvl+0xc0/0x104 [ 411.403819][ T4287] dump_stack+0x1c/0x50 [ 411.404800][ T4287] should_fail_ex+0x1bc/0x1e0 [ 411.405792][ T4287] __should_failslab+0x64/0x78 [ 411.406830][ T4287] should_failslab+0x10/0x28 [ 411.407729][ T4287] slab_pre_alloc_hook+0x54/0x1f4 [ 411.408706][ T4287] kmem_cache_alloc_lru+0x60/0x2ac [ 411.409714][ T4287] alloc_inode+0x7c/0x104 [ 411.410602][ T4287] new_inode+0x2c/0xc0 [ 411.411392][ T4287] debugfs_create_dir+0x98/0x1e0 [ 411.412531][ T4287] nbd_start_device+0x1b4/0x510 [ 411.413611][ T4287] nbd_ioctl+0x228/0x66c [ 411.414554][ T4287] blkdev_ioctl+0x218/0x664 [ 411.415569][ T4287] __arm64_sys_ioctl+0xd0/0x148 [ 411.416670][ T4287] invoke_syscall+0x64/0x178 [ 411.417640][ T4287] el0_svc_common+0xb8/0x174 [ 411.418690][ T4287] do_el0_svc+0x48/0x174 [ 411.419570][ T4287] el0_svc+0x34/0x110 [ 411.420492][ T4287] el0t_64_sync_handler+0x84/0xf0 [ 411.421609][ T4287] el0t_64_sync+0x18c/0x190 [ 411.422706][ T4287] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.424417][ T4287] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.552440][ T4287] block nbd0: shutting down sockets [ 411.633849][ T4289] FAULT_INJECTION: forcing a failure. [ 411.633849][ T4289] name failslab, interval 1, probability 0, space 0, times 0 [ 411.636653][ T4289] CPU: 0 PID: 4289 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 411.638458][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.640645][ T4289] Call trace: [ 411.641364][ T4289] dump_backtrace+0x1c8/0x1f4 [ 411.642420][ T4289] show_stack+0x2c/0x3c [ 411.643160][ T4289] dump_stack_lvl+0xc0/0x104 [ 411.644165][ T4289] dump_stack+0x1c/0x50 [ 411.645048][ T4289] should_fail_ex+0x1bc/0x1e0 [ 411.645998][ T4289] __should_failslab+0x64/0x78 [ 411.647005][ T4289] should_failslab+0x10/0x28 [ 411.647913][ T4289] slab_pre_alloc_hook+0x54/0x1f4 [ 411.648916][ T4289] kmem_cache_alloc_lru+0x60/0x2ac [ 411.650104][ T4289] alloc_inode+0x7c/0x104 [ 411.650997][ T4289] new_inode+0x2c/0xc0 [ 411.651762][ T4289] debugfs_create_dir+0x98/0x1e0 [ 411.652743][ T4289] nbd_start_device+0x1b4/0x510 [ 411.653795][ T4289] nbd_ioctl+0x228/0x66c [ 411.654661][ T4289] blkdev_ioctl+0x218/0x664 [ 411.655605][ T4289] __arm64_sys_ioctl+0xd0/0x148 [ 411.656715][ T4289] invoke_syscall+0x64/0x178 [ 411.657617][ T4289] el0_svc_common+0xb8/0x174 [ 411.658745][ T4289] do_el0_svc+0x48/0x174 [ 411.659565][ T4289] el0_svc+0x34/0x110 [ 411.660634][ T4289] el0t_64_sync_handler+0x84/0xf0 [ 411.661826][ T4289] el0t_64_sync+0x18c/0x190 [ 411.662948][ T4289] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.664695][ T4289] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.792193][ T4289] block nbd0: shutting down sockets [ 411.873789][ T4291] FAULT_INJECTION: forcing a failure. [ 411.873789][ T4291] name failslab, interval 1, probability 0, space 0, times 0 [ 411.876518][ T4291] CPU: 0 PID: 4291 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 411.878223][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.880243][ T4291] Call trace: [ 411.880954][ T4291] dump_backtrace+0x1c8/0x1f4 [ 411.881921][ T4291] show_stack+0x2c/0x3c [ 411.882671][ T4291] dump_stack_lvl+0xc0/0x104 [ 411.883609][ T4291] dump_stack+0x1c/0x50 [ 411.884513][ T4291] should_fail_ex+0x1bc/0x1e0 [ 411.885536][ T4291] __should_failslab+0x64/0x78 [ 411.886622][ T4291] should_failslab+0x10/0x28 [ 411.887614][ T4291] slab_pre_alloc_hook+0x54/0x1f4 [ 411.888561][ T4291] kmem_cache_alloc_lru+0x60/0x2ac [ 411.889618][ T4291] alloc_inode+0x7c/0x104 [ 411.890635][ T4291] new_inode+0x2c/0xc0 [ 411.891472][ T4291] debugfs_create_dir+0x98/0x1e0 [ 411.892499][ T4291] nbd_start_device+0x1b4/0x510 [ 411.893483][ T4291] nbd_ioctl+0x228/0x66c [ 411.894332][ T4291] blkdev_ioctl+0x218/0x664 [ 411.895314][ T4291] __arm64_sys_ioctl+0xd0/0x148 [ 411.896349][ T4291] invoke_syscall+0x64/0x178 [ 411.897318][ T4291] el0_svc_common+0xb8/0x174 [ 411.898384][ T4291] do_el0_svc+0x48/0x174 [ 411.899393][ T4291] el0_svc+0x34/0x110 [ 411.900370][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 411.901605][ T4291] el0t_64_sync+0x18c/0x190 [ 411.902964][ T4291] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.904663][ T4291] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.032381][ T4291] block nbd0: shutting down sockets [ 412.113769][ T4293] FAULT_INJECTION: forcing a failure. [ 412.113769][ T4293] name failslab, interval 1, probability 0, space 0, times 0 [ 412.116423][ T4293] CPU: 0 PID: 4293 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 412.118073][ T4293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.120157][ T4293] Call trace: [ 412.120847][ T4293] dump_backtrace+0x1c8/0x1f4 [ 412.121816][ T4293] show_stack+0x2c/0x3c [ 412.122751][ T4293] dump_stack_lvl+0xc0/0x104 [ 412.123701][ T4293] dump_stack+0x1c/0x50 [ 412.124529][ T4293] should_fail_ex+0x1bc/0x1e0 [ 412.125488][ T4293] __should_failslab+0x64/0x78 [ 412.126504][ T4293] should_failslab+0x10/0x28 [ 412.127462][ T4293] slab_pre_alloc_hook+0x54/0x1f4 [ 412.128522][ T4293] kmem_cache_alloc_lru+0x60/0x2ac [ 412.129835][ T4293] alloc_inode+0x7c/0x104 [ 412.130976][ T4293] new_inode+0x2c/0xc0 [ 412.131781][ T4293] debugfs_create_dir+0x98/0x1e0 [ 412.132826][ T4293] nbd_start_device+0x1b4/0x510 [ 412.133890][ T4293] nbd_ioctl+0x228/0x66c [ 412.134708][ T4293] blkdev_ioctl+0x218/0x664 [ 412.135678][ T4293] __arm64_sys_ioctl+0xd0/0x148 [ 412.136689][ T4293] invoke_syscall+0x64/0x178 [ 412.137671][ T4293] el0_svc_common+0xb8/0x174 [ 412.138701][ T4293] do_el0_svc+0x48/0x174 [ 412.139635][ T4293] el0_svc+0x34/0x110 [ 412.140386][ T4293] el0t_64_sync_handler+0x84/0xf0 [ 412.141448][ T4293] el0t_64_sync+0x18c/0x190 [ 412.142350][ T4293] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.143953][ T4293] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.272906][ T4293] block nbd0: shutting down sockets [ 412.383686][ T4296] FAULT_INJECTION: forcing a failure. [ 412.383686][ T4296] name failslab, interval 1, probability 0, space 0, times 0 [ 412.386419][ T4296] CPU: 1 PID: 4296 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 412.388094][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.390207][ T4296] Call trace: [ 412.390965][ T4296] dump_backtrace+0x1c8/0x1f4 [ 412.391882][ T4296] show_stack+0x2c/0x3c [ 412.392710][ T4296] dump_stack_lvl+0xc0/0x104 [ 412.393588][ T4296] dump_stack+0x1c/0x50 [ 412.394412][ T4296] should_fail_ex+0x1bc/0x1e0 [ 412.395500][ T4296] __should_failslab+0x64/0x78 [ 412.396505][ T4296] should_failslab+0x10/0x28 [ 412.397547][ T4296] slab_pre_alloc_hook+0x54/0x1f4 [ 412.398653][ T4296] kmem_cache_alloc_lru+0x60/0x2ac [ 412.399678][ T4296] alloc_inode+0x7c/0x104 [ 412.400654][ T4296] new_inode+0x2c/0xc0 [ 412.401489][ T4296] debugfs_create_dir+0x98/0x1e0 [ 412.402693][ T4296] nbd_start_device+0x1b4/0x510 [ 412.403828][ T4296] nbd_ioctl+0x228/0x66c [ 412.404730][ T4296] blkdev_ioctl+0x218/0x664 [ 412.405923][ T4296] __arm64_sys_ioctl+0xd0/0x148 [ 412.407009][ T4296] invoke_syscall+0x64/0x178 [ 412.407986][ T4296] el0_svc_common+0xb8/0x174 [ 412.408874][ T4296] do_el0_svc+0x48/0x174 [ 412.409778][ T4296] el0_svc+0x34/0x110 [ 412.410647][ T4296] el0t_64_sync_handler+0x84/0xf0 [ 412.411711][ T4296] el0t_64_sync+0x18c/0x190 [ 412.412642][ T4296] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.414218][ T4296] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.524340][ T4296] block nbd0: shutting down sockets [ 412.643546][ T4299] block nbd0: Device being setup by another task [ 412.695290][ T4298] FAULT_INJECTION: forcing a failure. [ 412.695290][ T4298] name failslab, interval 1, probability 0, space 0, times 0 [ 412.698126][ T4298] CPU: 0 PID: 4298 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 412.699795][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.702064][ T4298] Call trace: [ 412.702702][ T4298] dump_backtrace+0x1c8/0x1f4 [ 412.703637][ T4298] show_stack+0x2c/0x3c [ 412.704470][ T4298] dump_stack_lvl+0xc0/0x104 [ 412.705582][ T4298] dump_stack+0x1c/0x50 [ 412.706587][ T4298] should_fail_ex+0x1bc/0x1e0 [ 412.707777][ T4298] __should_failslab+0x64/0x78 [ 412.708800][ T4298] should_failslab+0x10/0x28 [ 412.709758][ T4298] __kmem_cache_alloc_node+0x6c/0x348 [ 412.710967][ T4298] __kmalloc_node_track_caller+0x84/0xc0 [ 412.712303][ T4298] kstrdup_const+0x90/0xdc [ 412.713244][ T4298] __kernfs_new_node+0x5c/0x2e8 [ 412.714352][ T4298] kernfs_create_dir_ns+0xac/0x188 [ 412.715415][ T4298] sysfs_create_dir_ns+0x8c/0x168 [ 412.716583][ T4298] kobject_add_internal+0x314/0x64c [ 412.717599][ T4298] kobject_add+0xb8/0x130 [ 412.718491][ T4298] blk_mq_register_hctx+0x54/0x184 [ 412.719499][ T4298] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 412.720733][ T4298] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 412.721958][ T4298] nbd_start_device+0xc4/0x510 [ 412.722956][ T4298] nbd_ioctl+0x228/0x66c [ 412.724028][ T4298] blkdev_ioctl+0x218/0x664 [ 412.724972][ T4298] __arm64_sys_ioctl+0xd0/0x148 [ 412.726038][ T4298] invoke_syscall+0x64/0x178 [ 412.727063][ T4298] el0_svc_common+0xb8/0x174 [ 412.727959][ T4298] do_el0_svc+0x48/0x174 [ 412.728812][ T4298] el0_svc+0x34/0x110 [ 412.729636][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 412.730826][ T4298] el0t_64_sync+0x18c/0x190 [ 412.731905][ T4298] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 412.795947][ T4298] block nbd0: shutting down sockets [ 413.003554][ T4302] block nbd0: Device being setup by another task [ 413.004987][ T4303] FAULT_INJECTION: forcing a failure. [ 413.004987][ T4303] name failslab, interval 1, probability 0, space 0, times 0 [ 413.007946][ T4303] CPU: 1 PID: 4303 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 413.009641][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.011698][ T4303] Call trace: [ 413.012271][ T4303] dump_backtrace+0x1c8/0x1f4 [ 413.013211][ T4303] show_stack+0x2c/0x3c [ 413.014028][ T4303] dump_stack_lvl+0xc0/0x104 [ 413.015022][ T4303] dump_stack+0x1c/0x50 [ 413.015914][ T4303] should_fail_ex+0x1bc/0x1e0 [ 413.016914][ T4303] __should_failslab+0x64/0x78 [ 413.017848][ T4303] should_failslab+0x10/0x28 [ 413.018834][ T4303] slab_pre_alloc_hook+0x54/0x1f4 [ 413.019892][ T4303] kmem_cache_alloc_lru+0x60/0x2ac [ 413.020959][ T4303] alloc_inode+0x7c/0x104 [ 413.021808][ T4303] new_inode+0x2c/0xc0 [ 413.022574][ T4303] debugfs_create_dir+0x98/0x1e0 [ 413.023624][ T4303] nbd_start_device+0x1b4/0x510 [ 413.024636][ T4303] nbd_ioctl+0x228/0x66c [ 413.025577][ T4303] blkdev_ioctl+0x218/0x664 [ 413.026591][ T4303] __arm64_sys_ioctl+0xd0/0x148 [ 413.027558][ T4303] invoke_syscall+0x64/0x178 [ 413.028444][ T4303] el0_svc_common+0xb8/0x174 [ 413.029457][ T4303] do_el0_svc+0x48/0x174 [ 413.030350][ T4303] el0_svc+0x34/0x110 [ 413.031148][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 413.032290][ T4303] el0t_64_sync+0x18c/0x190 [ 413.033215][ T4303] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.034939][ T4303] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.065546][ T4303] block nbd0: shutting down sockets [ 413.204826][ T4305] ------------[ cut here ]------------ [ 413.205967][ T4305] kernfs: can not remove 'nr_tags', no directory [ 413.207388][ T4305] WARNING: CPU: 1 PID: 4305 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.209537][ T4305] Modules linked in: [ 413.210345][ T4305] CPU: 1 PID: 4305 Comm: syz-executor802 Not tainted 6.1.114-syzkaller #0 [ 413.212198][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.214387][ T4305] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.216057][ T4305] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.217236][ T4305] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.218405][ T4305] sp : ffff80000df4bac0 [ 413.219269][ T4305] x29: ffff80000df4bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 413.221058][ T4305] x26: ffff0000c64a2508 x25: ffff80000df4bbe8 x24: ffff0001ffbecf80 [ 413.222848][ T4305] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 413.224484][ T4305] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.226217][ T4305] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 413.228020][ T4305] x14: 0000000000000000 x13: 205d353033345420 x12: ffff80000d1c5000 [ 413.229733][ T4305] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ed4df68147bc6300 [ 413.231451][ T4305] x8 : ed4df68147bc6300 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 413.233147][ T4305] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.234782][ T4305] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.236465][ T4305] Call trace: [ 413.237107][ T4305] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.238344][ T4305] sysfs_remove_group+0x68/0x160 [ 413.239420][ T4305] sysfs_remove_groups+0x3c/0x78 [ 413.240423][ T4305] __kobject_del+0x34/0x134 [ 413.241334][ T4305] kobject_del+0x2c/0x4c [ 413.242215][ T4305] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.243658][ T4305] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.244871][ T4305] nbd_start_device+0xc4/0x510 [ 413.245839][ T4305] nbd_ioctl+0x228/0x66c [ 413.246768][ T4305] blkdev_ioctl+0x218/0x664 [ 413.247839][ T4305] __arm64_sys_ioctl+0xd0/0x148 [ 413.248791][ T4305] invoke_syscall+0x64/0x178 [ 413.249714][ T4305] el0_svc_common+0xb8/0x174 [ 413.250768][ T4305] do_el0_svc+0x48/0x174 [ 413.251601][ T4305] el0_svc+0x34/0x110 [ 413.252458][ T4305] el0t_64_sync_handler+0x84/0xf0 [ 413.253491][ T4305] el0t_64_sync+0x18c/0x190 [ 413.254457][ T4305] ---[ end trace 0000000000000000 ]--- [ 413.255562][ T4305] ------------[ cut here ]------------ [ 413.256651][ T4305] kernfs: can not remove 'nr_reserved_tags', no directory [ 413.258199][ T4305] WARNING: CPU: 1 PID: 4305 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.260183][ T4305] Modules linked in: [ 413.260998][ T4305] CPU: 1 PID: 4305 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 413.263108][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.265267][ T4305] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.266840][ T4305] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.268049][ T4305] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.269185][ T4305] sp : ffff80000df4bac0 [ 413.269974][ T4305] x29: ffff80000df4bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 413.271760][ T4305] x26: ffff0000c64a2508 x25: ffff80000df4bbe8 x24: ffff0001ffbecf80 [ 413.273386][ T4305] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 413.274971][ T4305] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.276688][ T4305] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 413.278326][ T4305] x14: 0000000000000000 x13: 205d353033345420 x12: ffff80000d1c5000 [ 413.280020][ T4305] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ed4df68147bc6300 [ 413.281776][ T4305] x8 : ed4df68147bc6300 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 413.283419][ T4305] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.285130][ T4305] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.286863][ T4305] Call trace: [ 413.287532][ T4305] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.288601][ T4305] sysfs_remove_group+0x68/0x160 [ 413.289562][ T4305] sysfs_remove_groups+0x3c/0x78 [ 413.290647][ T4305] __kobject_del+0x34/0x134 [ 413.291714][ T4305] kobject_del+0x2c/0x4c [ 413.292637][ T4305] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.293949][ T4305] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.295102][ T4305] nbd_start_device+0xc4/0x510 [ 413.296108][ T4305] nbd_ioctl+0x228/0x66c [ 413.296967][ T4305] blkdev_ioctl+0x218/0x664 [ 413.297901][ T4305] __arm64_sys_ioctl+0xd0/0x148 [ 413.298900][ T4305] invoke_syscall+0x64/0x178 [ 413.299804][ T4305] el0_svc_common+0xb8/0x174 [ 413.300722][ T4305] do_el0_svc+0x48/0x174 [ 413.301615][ T4305] el0_svc+0x34/0x110 [ 413.302450][ T4305] el0t_64_sync_handler+0x84/0xf0 [ 413.303552][ T4305] el0t_64_sync+0x18c/0x190 [ 413.304551][ T4305] ---[ end trace 0000000000000000 ]--- [ 413.305830][ T4305] ------------[ cut here ]------------ [ 413.306913][ T4305] kernfs: can not remove 'cpu_list', no directory [ 413.308234][ T4305] WARNING: CPU: 1 PID: 4305 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.310219][ T4305] Modules linked in: [ 413.311003][ T4305] CPU: 1 PID: 4305 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 413.313026][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.315105][ T4305] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.316740][ T4305] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.317941][ T4305] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.319001][ T4305] sp : ffff80000df4bac0 [ 413.319913][ T4305] x29: ffff80000df4bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 413.321520][ T4305] x26: ffff0000c64a2508 x25: ffff80000df4bbe8 x24: ffff0001ffbecf80 [ 413.323212][ T4305] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 413.324912][ T4305] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.326523][ T4305] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 413.328145][ T4305] x14: 0000000000000000 x13: 205d353033345420 x12: ffff80000d1c5000 [ 413.329843][ T4305] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ed4df68147bc6300 [ 413.331568][ T4305] x8 : ed4df68147bc6300 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 413.333230][ T4305] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.334922][ T4305] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.336536][ T4305] Call trace: [ 413.337189][ T4305] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.338343][ T4305] sysfs_remove_group+0x68/0x160 [ 413.339613][ T4305] sysfs_remove_groups+0x3c/0x78 [ 413.340681][ T4305] __kobject_del+0x34/0x134 [ 413.341622][ T4305] kobject_del+0x2c/0x4c [ 413.342475][ T4305] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.343713][ T4305] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.344812][ T4305] nbd_start_device+0xc4/0x510 [ 413.345912][ T4305] nbd_ioctl+0x228/0x66c [ 413.346794][ T4305] blkdev_ioctl+0x218/0x664 [ 413.347860][ T4305] __arm64_sys_ioctl+0xd0/0x148 [ 413.348849][ T4305] invoke_syscall+0x64/0x178 [ 413.349942][ T4305] el0_svc_common+0xb8/0x174 [ 413.350913][ T4305] do_el0_svc+0x48/0x174 [ 413.351841][ T4305] el0_svc+0x34/0x110 [ 413.352703][ T4305] el0t_64_sync_handler+0x84/0xf0 [ 413.353807][ T4305] el0t_64_sync+0x18c/0x190 [ 413.354736][ T4305] ---[ end trace 0000000000000000 ]--- [ 413.358407][ T4305] block nbd0: shutting down sockets [ 413.473558][ T4308] block nbd0: Device being setup by another task [ 413.515602][ T4307] FAULT_INJECTION: forcing a failure. [ 413.515602][ T4307] name failslab, interval 1, probability 0, space 0, times 0 [ 413.518231][ T4307] CPU: 1 PID: 4307 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 413.520326][ T4307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.522407][ T4307] Call trace: [ 413.523103][ T4307] dump_backtrace+0x1c8/0x1f4 [ 413.524150][ T4307] show_stack+0x2c/0x3c [ 413.525053][ T4307] dump_stack_lvl+0xc0/0x104 [ 413.526070][ T4307] dump_stack+0x1c/0x50 [ 413.526901][ T4307] should_fail_ex+0x1bc/0x1e0 [ 413.527945][ T4307] __should_failslab+0x64/0x78 [ 413.528952][ T4307] should_failslab+0x10/0x28 [ 413.529937][ T4307] __kmem_cache_alloc_node+0x6c/0x348 [ 413.531125][ T4307] __kmalloc_node_track_caller+0x84/0xc0 [ 413.532384][ T4307] kstrdup_const+0x90/0xdc [ 413.533256][ T4307] __kernfs_new_node+0x5c/0x2e8 [ 413.534311][ T4307] kernfs_create_dir_ns+0xac/0x188 [ 413.535360][ T4307] sysfs_create_dir_ns+0x8c/0x168 [ 413.536396][ T4307] kobject_add_internal+0x314/0x64c [ 413.537458][ T4307] kobject_add+0xb8/0x130 [ 413.538441][ T4307] blk_mq_register_hctx+0x54/0x184 [ 413.539556][ T4307] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 413.540858][ T4307] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 413.541961][ T4307] nbd_start_device+0xc4/0x510 [ 413.542958][ T4307] nbd_ioctl+0x228/0x66c [ 413.543841][ T4307] blkdev_ioctl+0x218/0x664 [ 413.544743][ T4307] __arm64_sys_ioctl+0xd0/0x148 [ 413.545786][ T4307] invoke_syscall+0x64/0x178 [ 413.546834][ T4307] el0_svc_common+0xb8/0x174 [ 413.547771][ T4307] do_el0_svc+0x48/0x174 [ 413.548728][ T4307] el0_svc+0x34/0x110 [ 413.549532][ T4307] el0t_64_sync_handler+0x84/0xf0 [ 413.550620][ T4307] el0t_64_sync+0x18c/0x190 [ 413.551621][ T4307] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 413.658974][ T4307] block nbd0: shutting down sockets [ 413.783561][ T4311] block nbd0: Device being setup by another task [ 413.784997][ T4310] FAULT_INJECTION: forcing a failure. [ 413.784997][ T4310] name failslab, interval 1, probability 0, space 0, times 0 [ 413.787768][ T4310] CPU: 0 PID: 4310 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 413.789773][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.791864][ T4310] Call trace: [ 413.792540][ T4310] dump_backtrace+0x1c8/0x1f4 [ 413.793465][ T4310] show_stack+0x2c/0x3c [ 413.794246][ T4310] dump_stack_lvl+0xc0/0x104 [ 413.795165][ T4310] dump_stack+0x1c/0x50 [ 413.796018][ T4310] should_fail_ex+0x1bc/0x1e0 [ 413.796967][ T4310] __should_failslab+0x64/0x78 [ 413.797978][ T4310] should_failslab+0x10/0x28 [ 413.798935][ T4310] slab_pre_alloc_hook+0x54/0x1f4 [ 413.799989][ T4310] kmem_cache_alloc_lru+0x60/0x2ac [ 413.800976][ T4310] alloc_inode+0x7c/0x104 [ 413.801894][ T4310] new_inode+0x2c/0xc0 [ 413.802715][ T4310] debugfs_create_dir+0x98/0x1e0 [ 413.803751][ T4310] nbd_start_device+0x1b4/0x510 [ 413.804712][ T4310] nbd_ioctl+0x228/0x66c [ 413.805829][ T4310] blkdev_ioctl+0x218/0x664 [ 413.806795][ T4310] __arm64_sys_ioctl+0xd0/0x148 [ 413.807826][ T4310] invoke_syscall+0x64/0x178 [ 413.808809][ T4310] el0_svc_common+0xb8/0x174 [ 413.809777][ T4310] do_el0_svc+0x48/0x174 [ 413.810663][ T4310] el0_svc+0x34/0x110 [ 413.811488][ T4310] el0t_64_sync_handler+0x84/0xf0 [ 413.812609][ T4310] el0t_64_sync+0x18c/0x190 [ 413.813577][ T4310] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.815063][ T4310] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.928301][ T4310] block nbd0: shutting down sockets [ 414.105760][ T4314] ------------[ cut here ]------------ [ 414.106885][ T4314] kernfs: can not remove 'nr_tags', no directory [ 414.108097][ T4314] WARNING: CPU: 1 PID: 4314 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.110006][ T4314] Modules linked in: [ 414.110748][ T4314] CPU: 1 PID: 4314 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 414.112781][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.114794][ T4314] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.116520][ T4314] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.117743][ T4314] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.119015][ T4314] sp : ffff80000df43ac0 [ 414.120002][ T4314] x29: ffff80000df43ac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 414.121789][ T4314] x26: ffff0000c64a2508 x25: ffff80000df43be8 x24: ffff0001ffbf8000 [ 414.123499][ T4314] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 414.125309][ T4314] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.126972][ T4314] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 414.128785][ T4314] x14: 0000000000000000 x13: 205d343133345420 x12: ffff80000d1c5000 [ 414.130515][ T4314] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c1da6c9a296a7600 [ 414.132240][ T4314] x8 : c1da6c9a296a7600 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 414.133878][ T4314] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.135595][ T4314] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.137281][ T4314] Call trace: [ 414.137898][ T4314] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.139066][ T4314] sysfs_remove_group+0x68/0x160 [ 414.140106][ T4314] sysfs_remove_groups+0x3c/0x78 [ 414.141164][ T4314] __kobject_del+0x34/0x134 [ 414.142097][ T4314] kobject_del+0x2c/0x4c [ 414.143045][ T4314] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.144223][ T4314] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.145467][ T4314] nbd_start_device+0xc4/0x510 [ 414.146449][ T4314] nbd_ioctl+0x228/0x66c [ 414.147261][ T4314] blkdev_ioctl+0x218/0x664 [ 414.148394][ T4314] __arm64_sys_ioctl+0xd0/0x148 [ 414.149420][ T4314] invoke_syscall+0x64/0x178 [ 414.150406][ T4314] el0_svc_common+0xb8/0x174 [ 414.151325][ T4314] do_el0_svc+0x48/0x174 [ 414.152252][ T4314] el0_svc+0x34/0x110 [ 414.153074][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 414.154170][ T4314] el0t_64_sync+0x18c/0x190 [ 414.155136][ T4314] ---[ end trace 0000000000000000 ]--- [ 414.156578][ T4314] ------------[ cut here ]------------ [ 414.157735][ T4314] kernfs: can not remove 'nr_reserved_tags', no directory [ 414.159331][ T4314] WARNING: CPU: 1 PID: 4314 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.161282][ T4314] Modules linked in: [ 414.162101][ T4314] CPU: 1 PID: 4314 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 414.164261][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.166315][ T4314] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.168064][ T4314] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.169415][ T4314] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.170678][ T4314] sp : ffff80000df43ac0 [ 414.171526][ T4314] x29: ffff80000df43ac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 414.173167][ T4314] x26: ffff0000c64a2508 x25: ffff80000df43be8 x24: ffff0001ffbf8000 [ 414.174891][ T4314] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 414.176653][ T4314] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.178517][ T4314] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 414.180224][ T4314] x14: 0000000000000000 x13: 205d343133345420 x12: ffff80000d1c5000 [ 414.181881][ T4314] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c1da6c9a296a7600 [ 414.183618][ T4314] x8 : c1da6c9a296a7600 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 414.185302][ T4314] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.186987][ T4314] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.188787][ T4314] Call trace: [ 414.189449][ T4314] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.190647][ T4314] sysfs_remove_group+0x68/0x160 [ 414.191753][ T4314] sysfs_remove_groups+0x3c/0x78 [ 414.192843][ T4314] __kobject_del+0x34/0x134 [ 414.193760][ T4314] kobject_del+0x2c/0x4c [ 414.194696][ T4314] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.196087][ T4314] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.197256][ T4314] nbd_start_device+0xc4/0x510 [ 414.198357][ T4314] nbd_ioctl+0x228/0x66c [ 414.199220][ T4314] blkdev_ioctl+0x218/0x664 [ 414.200249][ T4314] __arm64_sys_ioctl+0xd0/0x148 [ 414.201417][ T4314] invoke_syscall+0x64/0x178 [ 414.202408][ T4314] el0_svc_common+0xb8/0x174 [ 414.203562][ T4314] do_el0_svc+0x48/0x174 [ 414.204563][ T4314] el0_svc+0x34/0x110 [ 414.205366][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 414.206566][ T4314] el0t_64_sync+0x18c/0x190 [ 414.207444][ T4314] ---[ end trace 0000000000000000 ]--- [ 414.208721][ T4314] ------------[ cut here ]------------ [ 414.209857][ T4314] kernfs: can not remove 'cpu_list', no directory [ 414.211277][ T4314] WARNING: CPU: 1 PID: 4314 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.213185][ T4314] Modules linked in: [ 414.213976][ T4314] CPU: 1 PID: 4314 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 414.216146][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.218160][ T4314] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.219796][ T4314] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.220983][ T4314] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.222313][ T4314] sp : ffff80000df43ac0 [ 414.223189][ T4314] x29: ffff80000df43ac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 414.224828][ T4314] x26: ffff0000c64a2508 x25: ffff80000df43be8 x24: ffff0001ffbf8000 [ 414.226662][ T4314] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 414.228457][ T4314] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.230176][ T4314] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 414.231894][ T4314] x14: 0000000000000000 x13: 205d343133345420 x12: ffff80000d1c5000 [ 414.233605][ T4314] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c1da6c9a296a7600 [ 414.235337][ T4314] x8 : c1da6c9a296a7600 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 414.237026][ T4314] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.238814][ T4314] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.240466][ T4314] Call trace: [ 414.241121][ T4314] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.242263][ T4314] sysfs_remove_group+0x68/0x160 [ 414.243241][ T4314] sysfs_remove_groups+0x3c/0x78 [ 414.244423][ T4314] __kobject_del+0x34/0x134 [ 414.245395][ T4314] kobject_del+0x2c/0x4c [ 414.246308][ T4314] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.247706][ T4314] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.248933][ T4314] nbd_start_device+0xc4/0x510 [ 414.249970][ T4314] nbd_ioctl+0x228/0x66c [ 414.250925][ T4314] blkdev_ioctl+0x218/0x664 [ 414.251795][ T4314] __arm64_sys_ioctl+0xd0/0x148 [ 414.252852][ T4314] invoke_syscall+0x64/0x178 [ 414.253917][ T4314] el0_svc_common+0xb8/0x174 [ 414.254822][ T4314] do_el0_svc+0x48/0x174 [ 414.255753][ T4314] el0_svc+0x34/0x110 [ 414.256681][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 414.257748][ T4314] el0t_64_sync+0x18c/0x190 [ 414.258705][ T4314] ---[ end trace 0000000000000000 ]--- [ 414.262369][ T4314] block nbd0: shutting down sockets [ 414.413619][ T4317] block nbd0: Device being setup by another task [ 414.455156][ T4316] FAULT_INJECTION: forcing a failure. [ 414.455156][ T4316] name failslab, interval 1, probability 0, space 0, times 0 [ 414.457909][ T4316] CPU: 1 PID: 4316 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 414.460090][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.462245][ T4316] Call trace: [ 414.463179][ T4316] dump_backtrace+0x1c8/0x1f4 [ 414.464072][ T4316] show_stack+0x2c/0x3c [ 414.464984][ T4316] dump_stack_lvl+0xc0/0x104 [ 414.465932][ T4316] dump_stack+0x1c/0x50 [ 414.466793][ T4316] should_fail_ex+0x1bc/0x1e0 [ 414.467781][ T4316] __should_failslab+0x64/0x78 [ 414.468799][ T4316] should_failslab+0x10/0x28 [ 414.469728][ T4316] __kmem_cache_alloc_node+0x6c/0x348 [ 414.470834][ T4316] __kmalloc_node_track_caller+0x84/0xc0 [ 414.472166][ T4316] kstrdup_const+0x90/0xdc [ 414.473077][ T4316] __kernfs_new_node+0x5c/0x2e8 [ 414.474125][ T4316] kernfs_create_dir_ns+0xac/0x188 [ 414.475162][ T4316] sysfs_create_dir_ns+0x8c/0x168 [ 414.476176][ T4316] kobject_add_internal+0x314/0x64c [ 414.477177][ T4316] kobject_add+0xb8/0x130 [ 414.478081][ T4316] blk_mq_register_hctx+0x54/0x184 [ 414.479233][ T4316] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 414.480443][ T4316] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 414.481636][ T4316] nbd_start_device+0xc4/0x510 [ 414.482585][ T4316] nbd_ioctl+0x228/0x66c [ 414.483403][ T4316] blkdev_ioctl+0x218/0x664 [ 414.484532][ T4316] __arm64_sys_ioctl+0xd0/0x148 [ 414.485551][ T4316] invoke_syscall+0x64/0x178 [ 414.486582][ T4316] el0_svc_common+0xb8/0x174 [ 414.487531][ T4316] do_el0_svc+0x48/0x174 [ 414.488425][ T4316] el0_svc+0x34/0x110 [ 414.489339][ T4316] el0t_64_sync_handler+0x84/0xf0 [ 414.490382][ T4316] el0t_64_sync+0x18c/0x190 [ 414.491396][ T4316] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 414.532416][ T4316] block nbd0: shutting down sockets [ 414.673544][ T4320] block nbd0: Device being setup by another task [ 414.675015][ T4319] FAULT_INJECTION: forcing a failure. [ 414.675015][ T4319] name failslab, interval 1, probability 0, space 0, times 0 [ 414.677773][ T4319] CPU: 1 PID: 4319 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 414.679864][ T4319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.682090][ T4319] Call trace: [ 414.682654][ T4319] dump_backtrace+0x1c8/0x1f4 [ 414.683764][ T4319] show_stack+0x2c/0x3c [ 414.684678][ T4319] dump_stack_lvl+0xc0/0x104 [ 414.685672][ T4319] dump_stack+0x1c/0x50 [ 414.686553][ T4319] should_fail_ex+0x1bc/0x1e0 [ 414.687592][ T4319] __should_failslab+0x64/0x78 [ 414.688483][ T4319] should_failslab+0x10/0x28 [ 414.689471][ T4319] slab_pre_alloc_hook+0x54/0x1f4 [ 414.690653][ T4319] kmem_cache_alloc_lru+0x60/0x2ac [ 414.691829][ T4319] alloc_inode+0x7c/0x104 [ 414.692787][ T4319] new_inode+0x2c/0xc0 [ 414.693695][ T4319] debugfs_create_dir+0x98/0x1e0 [ 414.694671][ T4319] nbd_start_device+0x1b4/0x510 [ 414.695665][ T4319] nbd_ioctl+0x228/0x66c [ 414.696698][ T4319] blkdev_ioctl+0x218/0x664 [ 414.697646][ T4319] __arm64_sys_ioctl+0xd0/0x148 [ 414.698726][ T4319] invoke_syscall+0x64/0x178 [ 414.699648][ T4319] el0_svc_common+0xb8/0x174 [ 414.700596][ T4319] do_el0_svc+0x48/0x174 [ 414.701511][ T4319] el0_svc+0x34/0x110 [ 414.702391][ T4319] el0t_64_sync_handler+0x84/0xf0 [ 414.703439][ T4319] el0t_64_sync+0x18c/0x190 [ 414.704556][ T4319] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.706102][ T4319] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.801254][ T4319] block nbd0: shutting down sockets [ 414.933589][ T4323] block nbd0: Device being setup by another task [ 414.934918][ T4322] FAULT_INJECTION: forcing a failure. [ 414.934918][ T4322] name failslab, interval 1, probability 0, space 0, times 0 [ 414.937475][ T4322] CPU: 0 PID: 4322 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 414.939453][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.941455][ T4322] Call trace: [ 414.942073][ T4322] dump_backtrace+0x1c8/0x1f4 [ 414.942987][ T4322] show_stack+0x2c/0x3c [ 414.943757][ T4322] dump_stack_lvl+0xc0/0x104 [ 414.944677][ T4322] dump_stack+0x1c/0x50 [ 414.945508][ T4322] should_fail_ex+0x1bc/0x1e0 [ 414.946403][ T4322] __should_failslab+0x64/0x78 [ 414.947467][ T4322] should_failslab+0x10/0x28 [ 414.948335][ T4322] slab_pre_alloc_hook+0x54/0x1f4 [ 414.949343][ T4322] kmem_cache_alloc_lru+0x60/0x2ac [ 414.950314][ T4322] alloc_inode+0x7c/0x104 [ 414.951190][ T4322] new_inode+0x2c/0xc0 [ 414.952007][ T4322] debugfs_create_dir+0x98/0x1e0 [ 414.952938][ T4322] nbd_start_device+0x1b4/0x510 [ 414.953927][ T4322] nbd_ioctl+0x228/0x66c [ 414.954761][ T4322] blkdev_ioctl+0x218/0x664 [ 414.955639][ T4322] __arm64_sys_ioctl+0xd0/0x148 [ 414.956637][ T4322] invoke_syscall+0x64/0x178 [ 414.957694][ T4322] el0_svc_common+0xb8/0x174 [ 414.958536][ T4322] do_el0_svc+0x48/0x174 [ 414.959338][ T4322] el0_svc+0x34/0x110 [ 414.960176][ T4322] el0t_64_sync_handler+0x84/0xf0 [ 414.961186][ T4322] el0t_64_sync+0x18c/0x190 [ 414.962194][ T4322] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.963850][ T4322] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.071012][ T4322] block nbd0: shutting down sockets [ 415.205540][ T4325] ------------[ cut here ]------------ [ 415.206657][ T4325] kernfs: can not remove 'nr_tags', no directory [ 415.208136][ T4325] WARNING: CPU: 1 PID: 4325 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.210115][ T4325] Modules linked in: [ 415.211025][ T4325] CPU: 1 PID: 4325 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 415.213125][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.215373][ T4325] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.217166][ T4325] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.218352][ T4325] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.219572][ T4325] sp : ffff80001124bac0 [ 415.220494][ T4325] x29: ffff80001124bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 415.222222][ T4325] x26: ffff0000c64a2508 x25: ffff80001124bbe8 x24: ffff0001ffa0a000 [ 415.223978][ T4325] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 415.225624][ T4325] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.227449][ T4325] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 415.229194][ T4325] x14: 0000000000000000 x13: 205d353233345420 x12: ffff80000d1c5000 [ 415.230912][ T4325] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 898f92796bbf2c00 [ 415.232567][ T4325] x8 : 898f92796bbf2c00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 415.234229][ T4325] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.235870][ T4325] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.237699][ T4325] Call trace: [ 415.238382][ T4325] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.239570][ T4325] sysfs_remove_group+0x68/0x160 [ 415.240776][ T4325] sysfs_remove_groups+0x3c/0x78 [ 415.241911][ T4325] __kobject_del+0x34/0x134 [ 415.242925][ T4325] kobject_del+0x2c/0x4c [ 415.243792][ T4325] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.244981][ T4325] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.246198][ T4325] nbd_start_device+0xc4/0x510 [ 415.247287][ T4325] nbd_ioctl+0x228/0x66c [ 415.248169][ T4325] blkdev_ioctl+0x218/0x664 [ 415.249084][ T4325] __arm64_sys_ioctl+0xd0/0x148 [ 415.250039][ T4325] invoke_syscall+0x64/0x178 [ 415.251031][ T4325] el0_svc_common+0xb8/0x174 [ 415.252013][ T4325] do_el0_svc+0x48/0x174 [ 415.252832][ T4325] el0_svc+0x34/0x110 [ 415.253683][ T4325] el0t_64_sync_handler+0x84/0xf0 [ 415.254706][ T4325] el0t_64_sync+0x18c/0x190 [ 415.255801][ T4325] ---[ end trace 0000000000000000 ]--- [ 415.257010][ T4325] ------------[ cut here ]------------ [ 415.258267][ T4325] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.259762][ T4325] WARNING: CPU: 1 PID: 4325 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.261841][ T4325] Modules linked in: [ 415.262663][ T4325] CPU: 1 PID: 4325 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 415.264795][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.266832][ T4325] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.268392][ T4325] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.269554][ T4325] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.270755][ T4325] sp : ffff80001124bac0 [ 415.271584][ T4325] x29: ffff80001124bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 415.273522][ T4325] x26: ffff0000c64a2508 x25: ffff80001124bbe8 x24: ffff0001ffa0a000 [ 415.275212][ T4325] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 415.276887][ T4325] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.278637][ T4325] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 415.280335][ T4325] x14: 0000000000000000 x13: 205d353233345420 x12: ffff80000d1c5000 [ 415.281925][ T4325] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 898f92796bbf2c00 [ 415.283587][ T4325] x8 : 898f92796bbf2c00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 415.285343][ T4325] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.287116][ T4325] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.288927][ T4325] Call trace: [ 415.289710][ T4325] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.290814][ T4325] sysfs_remove_group+0x68/0x160 [ 415.291958][ T4325] sysfs_remove_groups+0x3c/0x78 [ 415.293016][ T4325] __kobject_del+0x34/0x134 [ 415.294008][ T4325] kobject_del+0x2c/0x4c [ 415.294886][ T4325] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.296142][ T4325] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.297281][ T4325] nbd_start_device+0xc4/0x510 [ 415.298316][ T4325] nbd_ioctl+0x228/0x66c [ 415.299242][ T4325] blkdev_ioctl+0x218/0x664 [ 415.300196][ T4325] __arm64_sys_ioctl+0xd0/0x148 [ 415.301278][ T4325] invoke_syscall+0x64/0x178 [ 415.302250][ T4325] el0_svc_common+0xb8/0x174 [ 415.303209][ T4325] do_el0_svc+0x48/0x174 [ 415.304054][ T4325] el0_svc+0x34/0x110 [ 415.304910][ T4325] el0t_64_sync_handler+0x84/0xf0 [ 415.305955][ T4325] el0t_64_sync+0x18c/0x190 [ 415.306958][ T4325] ---[ end trace 0000000000000000 ]--- [ 415.308107][ T4325] ------------[ cut here ]------------ [ 415.309276][ T4325] kernfs: can not remove 'cpu_list', no directory [ 415.310736][ T4325] WARNING: CPU: 1 PID: 4325 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.312789][ T4325] Modules linked in: [ 415.313610][ T4325] CPU: 1 PID: 4325 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 415.315673][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.317822][ T4325] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.319661][ T4325] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.320969][ T4325] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.322306][ T4325] sp : ffff80001124bac0 [ 415.323336][ T4325] x29: ffff80001124bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 415.325085][ T4325] x26: ffff0000c64a2508 x25: ffff80001124bbe8 x24: ffff0001ffa0a000 [ 415.326985][ T4325] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 415.328703][ T4325] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.330536][ T4325] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 415.332257][ T4325] x14: 0000000000000000 x13: 205d353233345420 x12: ffff80000d1c5000 [ 415.334000][ T4325] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 898f92796bbf2c00 [ 415.335802][ T4325] x8 : 898f92796bbf2c00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 415.337543][ T4325] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.339318][ T4325] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.341074][ T4325] Call trace: [ 415.341814][ T4325] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.342967][ T4325] sysfs_remove_group+0x68/0x160 [ 415.343973][ T4325] sysfs_remove_groups+0x3c/0x78 [ 415.345165][ T4325] __kobject_del+0x34/0x134 [ 415.346204][ T4325] kobject_del+0x2c/0x4c [ 415.347046][ T4325] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.348242][ T4325] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.349426][ T4325] nbd_start_device+0xc4/0x510 [ 415.350482][ T4325] nbd_ioctl+0x228/0x66c [ 415.351323][ T4325] blkdev_ioctl+0x218/0x664 [ 415.352269][ T4325] __arm64_sys_ioctl+0xd0/0x148 [ 415.353225][ T4325] invoke_syscall+0x64/0x178 [ 415.354294][ T4325] el0_svc_common+0xb8/0x174 [ 415.355209][ T4325] do_el0_svc+0x48/0x174 [ 415.356079][ T4325] el0_svc+0x34/0x110 [ 415.356925][ T4325] el0t_64_sync_handler+0x84/0xf0 [ 415.357978][ T4325] el0t_64_sync+0x18c/0x190 [ 415.358916][ T4325] ---[ end trace 0000000000000000 ]--- [ 415.366560][ T4325] block nbd0: shutting down sockets [ 415.483702][ T4328] FAULT_INJECTION: forcing a failure. [ 415.483702][ T4328] name failslab, interval 1, probability 0, space 0, times 0 [ 415.486518][ T4328] CPU: 0 PID: 4328 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 415.488599][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.490673][ T4328] Call trace: [ 415.491312][ T4328] dump_backtrace+0x1c8/0x1f4 [ 415.492298][ T4328] show_stack+0x2c/0x3c [ 415.493193][ T4328] dump_stack_lvl+0xc0/0x104 [ 415.494097][ T4328] dump_stack+0x1c/0x50 [ 415.495033][ T4328] should_fail_ex+0x1bc/0x1e0 [ 415.496072][ T4328] __should_failslab+0x64/0x78 [ 415.497226][ T4328] should_failslab+0x10/0x28 [ 415.498221][ T4328] slab_pre_alloc_hook+0x54/0x1f4 [ 415.499342][ T4328] kmem_cache_alloc_lru+0x60/0x2ac [ 415.500320][ T4328] alloc_inode+0x7c/0x104 [ 415.501190][ T4328] new_inode+0x2c/0xc0 [ 415.502021][ T4328] debugfs_create_dir+0x98/0x1e0 [ 415.503090][ T4328] nbd_start_device+0x1b4/0x510 [ 415.504133][ T4328] nbd_ioctl+0x228/0x66c [ 415.504937][ T4328] blkdev_ioctl+0x218/0x664 [ 415.505885][ T4328] __arm64_sys_ioctl+0xd0/0x148 [ 415.506868][ T4328] invoke_syscall+0x64/0x178 [ 415.507848][ T4328] el0_svc_common+0xb8/0x174 [ 415.508739][ T4328] do_el0_svc+0x48/0x174 [ 415.509629][ T4328] el0_svc+0x34/0x110 [ 415.510553][ T4328] el0t_64_sync_handler+0x84/0xf0 [ 415.511537][ T4328] el0t_64_sync+0x18c/0x190 [ 415.512487][ T4328] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.514178][ T4328] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.633094][ T4328] block nbd0: shutting down sockets [ 415.723781][ T4330] FAULT_INJECTION: forcing a failure. [ 415.723781][ T4330] name failslab, interval 1, probability 0, space 0, times 0 [ 415.726449][ T4330] CPU: 1 PID: 4330 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 415.728428][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.730482][ T4330] Call trace: [ 415.731095][ T4330] dump_backtrace+0x1c8/0x1f4 [ 415.732082][ T4330] show_stack+0x2c/0x3c [ 415.732976][ T4330] dump_stack_lvl+0xc0/0x104 [ 415.733921][ T4330] dump_stack+0x1c/0x50 [ 415.734734][ T4330] should_fail_ex+0x1bc/0x1e0 [ 415.735682][ T4330] __should_failslab+0x64/0x78 [ 415.736662][ T4330] should_failslab+0x10/0x28 [ 415.737674][ T4330] slab_pre_alloc_hook+0x54/0x1f4 [ 415.738875][ T4330] kmem_cache_alloc_lru+0x60/0x2ac [ 415.739978][ T4330] alloc_inode+0x7c/0x104 [ 415.740879][ T4330] new_inode+0x2c/0xc0 [ 415.741758][ T4330] debugfs_create_dir+0x98/0x1e0 [ 415.742847][ T4330] nbd_start_device+0x1b4/0x510 [ 415.743876][ T4330] nbd_ioctl+0x228/0x66c [ 415.744847][ T4330] blkdev_ioctl+0x218/0x664 [ 415.745832][ T4330] __arm64_sys_ioctl+0xd0/0x148 [ 415.746748][ T4330] invoke_syscall+0x64/0x178 [ 415.747765][ T4330] el0_svc_common+0xb8/0x174 [ 415.748711][ T4330] do_el0_svc+0x48/0x174 [ 415.749724][ T4330] el0_svc+0x34/0x110 [ 415.750578][ T4330] el0t_64_sync_handler+0x84/0xf0 [ 415.751717][ T4330] el0t_64_sync+0x18c/0x190 [ 415.752835][ T4330] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.754674][ T4330] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.883054][ T4330] block nbd0: shutting down sockets [ 415.993542][ T4333] block nbd0: Device being setup by another task [ 416.035201][ T4332] FAULT_INJECTION: forcing a failure. [ 416.035201][ T4332] name failslab, interval 1, probability 0, space 0, times 0 [ 416.037737][ T4332] CPU: 0 PID: 4332 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 416.039678][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.041800][ T4332] Call trace: [ 416.042530][ T4332] dump_backtrace+0x1c8/0x1f4 [ 416.043493][ T4332] show_stack+0x2c/0x3c [ 416.044376][ T4332] dump_stack_lvl+0xc0/0x104 [ 416.045297][ T4332] dump_stack+0x1c/0x50 [ 416.046101][ T4332] should_fail_ex+0x1bc/0x1e0 [ 416.047054][ T4332] __should_failslab+0x64/0x78 [ 416.048094][ T4332] should_failslab+0x10/0x28 [ 416.049025][ T4332] __kmem_cache_alloc_node+0x6c/0x348 [ 416.050190][ T4332] __kmalloc_node_track_caller+0x84/0xc0 [ 416.051376][ T4332] kstrdup_const+0x90/0xdc [ 416.052307][ T4332] __kernfs_new_node+0x5c/0x2e8 [ 416.053295][ T4332] kernfs_create_dir_ns+0xac/0x188 [ 416.054349][ T4332] sysfs_create_dir_ns+0x8c/0x168 [ 416.055485][ T4332] kobject_add_internal+0x314/0x64c [ 416.056743][ T4332] kobject_add+0xb8/0x130 [ 416.057747][ T4332] blk_mq_register_hctx+0x54/0x184 [ 416.058840][ T4332] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 416.060004][ T4332] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 416.061215][ T4332] nbd_start_device+0xc4/0x510 [ 416.062243][ T4332] nbd_ioctl+0x228/0x66c [ 416.063207][ T4332] blkdev_ioctl+0x218/0x664 [ 416.064163][ T4332] __arm64_sys_ioctl+0xd0/0x148 [ 416.065078][ T4332] invoke_syscall+0x64/0x178 [ 416.066102][ T4332] el0_svc_common+0xb8/0x174 [ 416.067122][ T4332] do_el0_svc+0x48/0x174 [ 416.068011][ T4332] el0_svc+0x34/0x110 [ 416.068864][ T4332] el0t_64_sync_handler+0x84/0xf0 [ 416.069956][ T4332] el0t_64_sync+0x18c/0x190 [ 416.070947][ T4332] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 416.178338][ T4332] block nbd0: shutting down sockets [ 416.333572][ T4336] block nbd0: Device being setup by another task [ 416.334903][ T4335] FAULT_INJECTION: forcing a failure. [ 416.334903][ T4335] name failslab, interval 1, probability 0, space 0, times 0 [ 416.337529][ T4335] CPU: 0 PID: 4335 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 416.339651][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.341797][ T4335] Call trace: [ 416.342425][ T4335] dump_backtrace+0x1c8/0x1f4 [ 416.343405][ T4335] show_stack+0x2c/0x3c [ 416.344394][ T4335] dump_stack_lvl+0xc0/0x104 [ 416.345424][ T4335] dump_stack+0x1c/0x50 [ 416.346344][ T4335] should_fail_ex+0x1bc/0x1e0 [ 416.347354][ T4335] __should_failslab+0x64/0x78 [ 416.348310][ T4335] should_failslab+0x10/0x28 [ 416.349255][ T4335] slab_pre_alloc_hook+0x54/0x1f4 [ 416.350360][ T4335] kmem_cache_alloc_lru+0x60/0x2ac [ 416.351511][ T4335] alloc_inode+0x7c/0x104 [ 416.352522][ T4335] new_inode+0x2c/0xc0 [ 416.353334][ T4335] debugfs_create_dir+0x98/0x1e0 [ 416.354398][ T4335] nbd_start_device+0x1b4/0x510 [ 416.355512][ T4335] nbd_ioctl+0x228/0x66c [ 416.356332][ T4335] blkdev_ioctl+0x218/0x664 [ 416.357280][ T4335] __arm64_sys_ioctl+0xd0/0x148 [ 416.358207][ T4335] invoke_syscall+0x64/0x178 [ 416.359166][ T4335] el0_svc_common+0xb8/0x174 [ 416.360115][ T4335] do_el0_svc+0x48/0x174 [ 416.361006][ T4335] el0_svc+0x34/0x110 [ 416.361850][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 416.362915][ T4335] el0t_64_sync+0x18c/0x190 [ 416.363847][ T4335] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.365420][ T4335] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.447536][ T4335] block nbd0: shutting down sockets [ 416.585496][ T4338] ------------[ cut here ]------------ [ 416.586784][ T4338] kernfs: can not remove 'nr_tags', no directory [ 416.588154][ T4338] WARNING: CPU: 0 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.590132][ T4338] Modules linked in: [ 416.590856][ T4338] CPU: 0 PID: 4338 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 416.592864][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.594936][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.596738][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.597920][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.599075][ T4338] sp : ffff80000df5bac0 [ 416.599953][ T4338] x29: ffff80000df5bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 416.601586][ T4338] x26: ffff0000c64a2508 x25: ffff80000df5bbe8 x24: ffff0001ffa2ef80 [ 416.603223][ T4338] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 416.604840][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.606577][ T4338] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 416.608262][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1c5000 [ 416.609802][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ebc3b71afbf55b00 [ 416.611467][ T4338] x8 : ebc3b71afbf55b00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 416.613188][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.614886][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.616642][ T4338] Call trace: [ 416.617286][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.618491][ T4338] sysfs_remove_group+0x68/0x160 [ 416.619514][ T4338] sysfs_remove_groups+0x3c/0x78 [ 416.620395][ T4338] __kobject_del+0x34/0x134 [ 416.621358][ T4338] kobject_del+0x2c/0x4c [ 416.622271][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.623467][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.624653][ T4338] nbd_start_device+0xc4/0x510 [ 416.625605][ T4338] nbd_ioctl+0x228/0x66c [ 416.626469][ T4338] blkdev_ioctl+0x218/0x664 [ 416.627358][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 416.628396][ T4338] invoke_syscall+0x64/0x178 [ 416.629346][ T4338] el0_svc_common+0xb8/0x174 [ 416.630348][ T4338] do_el0_svc+0x48/0x174 [ 416.631290][ T4338] el0_svc+0x34/0x110 [ 416.632080][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 416.633145][ T4338] el0t_64_sync+0x18c/0x190 [ 416.634116][ T4338] ---[ end trace 0000000000000000 ]--- [ 416.635341][ T4338] ------------[ cut here ]------------ [ 416.636488][ T4338] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.637974][ T4338] WARNING: CPU: 0 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.640028][ T4338] Modules linked in: [ 416.640939][ T4338] CPU: 0 PID: 4338 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 416.642990][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.645082][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.646679][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.647966][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.649234][ T4338] sp : ffff80000df5bac0 [ 416.650112][ T4338] x29: ffff80000df5bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 416.651877][ T4338] x26: ffff0000c64a2508 x25: ffff80000df5bbe8 x24: ffff0001ffa2ef80 [ 416.653556][ T4338] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 416.655301][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.656971][ T4338] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 416.658636][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1c5000 [ 416.660226][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ebc3b71afbf55b00 [ 416.662040][ T4338] x8 : ebc3b71afbf55b00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 416.663801][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.665659][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.667244][ T4338] Call trace: [ 416.667887][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.669046][ T4338] sysfs_remove_group+0x68/0x160 [ 416.670194][ T4338] sysfs_remove_groups+0x3c/0x78 [ 416.671392][ T4338] __kobject_del+0x34/0x134 [ 416.672421][ T4338] kobject_del+0x2c/0x4c [ 416.673325][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.674570][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.675887][ T4338] nbd_start_device+0xc4/0x510 [ 416.676876][ T4338] nbd_ioctl+0x228/0x66c [ 416.677820][ T4338] blkdev_ioctl+0x218/0x664 [ 416.678780][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 416.679883][ T4338] invoke_syscall+0x64/0x178 [ 416.680802][ T4338] el0_svc_common+0xb8/0x174 [ 416.681828][ T4338] do_el0_svc+0x48/0x174 [ 416.682773][ T4338] el0_svc+0x34/0x110 [ 416.683579][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 416.684676][ T4338] el0t_64_sync+0x18c/0x190 [ 416.685631][ T4338] ---[ end trace 0000000000000000 ]--- [ 416.686940][ T4338] ------------[ cut here ]------------ [ 416.688103][ T4338] kernfs: can not remove 'cpu_list', no directory [ 416.689486][ T4338] WARNING: CPU: 0 PID: 4338 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.691400][ T4338] Modules linked in: [ 416.692183][ T4338] CPU: 0 PID: 4338 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 416.694320][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.696452][ T4338] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.698192][ T4338] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.699456][ T4338] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.700569][ T4338] sp : ffff80000df5bac0 [ 416.701376][ T4338] x29: ffff80000df5bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 416.703069][ T4338] x26: ffff0000c64a2508 x25: ffff80000df5bbe8 x24: ffff0001ffa2ef80 [ 416.704815][ T4338] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 416.706441][ T4338] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.708031][ T4338] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 416.709638][ T4338] x14: 0000000000000000 x13: 205d383333345420 x12: ffff80000d1c5000 [ 416.711402][ T4338] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ebc3b71afbf55b00 [ 416.713125][ T4338] x8 : ebc3b71afbf55b00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 416.714824][ T4338] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.716373][ T4338] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.718085][ T4338] Call trace: [ 416.718720][ T4338] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.720005][ T4338] sysfs_remove_group+0x68/0x160 [ 416.721010][ T4338] sysfs_remove_groups+0x3c/0x78 [ 416.722036][ T4338] __kobject_del+0x34/0x134 [ 416.722965][ T4338] kobject_del+0x2c/0x4c [ 416.723806][ T4338] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.724915][ T4338] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.726196][ T4338] nbd_start_device+0xc4/0x510 [ 416.727139][ T4338] nbd_ioctl+0x228/0x66c [ 416.728000][ T4338] blkdev_ioctl+0x218/0x664 [ 416.728976][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 416.729960][ T4338] invoke_syscall+0x64/0x178 [ 416.730969][ T4338] el0_svc_common+0xb8/0x174 [ 416.731991][ T4338] do_el0_svc+0x48/0x174 [ 416.732834][ T4338] el0_svc+0x34/0x110 [ 416.733669][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 416.734762][ T4338] el0t_64_sync+0x18c/0x190 [ 416.735673][ T4338] ---[ end trace 0000000000000000 ]--- [ 416.744314][ T4338] block nbd0: shutting down sockets [ 416.833768][ T4340] FAULT_INJECTION: forcing a failure. [ 416.833768][ T4340] name failslab, interval 1, probability 0, space 0, times 0 [ 416.836339][ T4340] CPU: 0 PID: 4340 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 416.838338][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.840356][ T4340] Call trace: [ 416.841021][ T4340] dump_backtrace+0x1c8/0x1f4 [ 416.841974][ T4340] show_stack+0x2c/0x3c [ 416.843044][ T4340] dump_stack_lvl+0xc0/0x104 [ 416.843999][ T4340] dump_stack+0x1c/0x50 [ 416.844862][ T4340] should_fail_ex+0x1bc/0x1e0 [ 416.845758][ T4340] __should_failslab+0x64/0x78 [ 416.846681][ T4340] should_failslab+0x10/0x28 [ 416.847653][ T4340] slab_pre_alloc_hook+0x54/0x1f4 [ 416.848658][ T4340] kmem_cache_alloc_lru+0x60/0x2ac [ 416.849705][ T4340] alloc_inode+0x7c/0x104 [ 416.850571][ T4340] new_inode+0x2c/0xc0 [ 416.851465][ T4340] debugfs_create_dir+0x98/0x1e0 [ 416.852485][ T4340] nbd_start_device+0x1b4/0x510 [ 416.853397][ T4340] nbd_ioctl+0x228/0x66c [ 416.854334][ T4340] blkdev_ioctl+0x218/0x664 [ 416.855318][ T4340] __arm64_sys_ioctl+0xd0/0x148 [ 416.856274][ T4340] invoke_syscall+0x64/0x178 [ 416.857236][ T4340] el0_svc_common+0xb8/0x174 [ 416.858230][ T4340] do_el0_svc+0x48/0x174 [ 416.859109][ T4340] el0_svc+0x34/0x110 [ 416.859893][ T4340] el0t_64_sync_handler+0x84/0xf0 [ 416.861060][ T4340] el0t_64_sync+0x18c/0x190 [ 416.862037][ T4340] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.863760][ T4340] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.992276][ T4340] block nbd0: shutting down sockets [ 417.073787][ T4342] FAULT_INJECTION: forcing a failure. [ 417.073787][ T4342] name failslab, interval 1, probability 0, space 0, times 0 [ 417.076359][ T4342] CPU: 0 PID: 4342 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 417.078612][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.080759][ T4342] Call trace: [ 417.081452][ T4342] dump_backtrace+0x1c8/0x1f4 [ 417.082397][ T4342] show_stack+0x2c/0x3c [ 417.083220][ T4342] dump_stack_lvl+0xc0/0x104 [ 417.084156][ T4342] dump_stack+0x1c/0x50 [ 417.085016][ T4342] should_fail_ex+0x1bc/0x1e0 [ 417.085980][ T4342] __should_failslab+0x64/0x78 [ 417.086901][ T4342] should_failslab+0x10/0x28 [ 417.087834][ T4342] slab_pre_alloc_hook+0x54/0x1f4 [ 417.088926][ T4342] kmem_cache_alloc_lru+0x60/0x2ac [ 417.089974][ T4342] alloc_inode+0x7c/0x104 [ 417.090921][ T4342] new_inode+0x2c/0xc0 [ 417.091809][ T4342] debugfs_create_dir+0x98/0x1e0 [ 417.092878][ T4342] nbd_start_device+0x1b4/0x510 [ 417.094037][ T4342] nbd_ioctl+0x228/0x66c [ 417.094825][ T4342] blkdev_ioctl+0x218/0x664 [ 417.095763][ T4342] __arm64_sys_ioctl+0xd0/0x148 [ 417.096706][ T4342] invoke_syscall+0x64/0x178 [ 417.097697][ T4342] el0_svc_common+0xb8/0x174 [ 417.098634][ T4342] do_el0_svc+0x48/0x174 [ 417.099516][ T4342] el0_svc+0x34/0x110 [ 417.100357][ T4342] el0t_64_sync_handler+0x84/0xf0 [ 417.101339][ T4342] el0t_64_sync+0x18c/0x190 [ 417.102558][ T4342] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.104424][ T4342] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.232714][ T4342] block nbd0: shutting down sockets [ 417.313803][ T4344] FAULT_INJECTION: forcing a failure. [ 417.313803][ T4344] name failslab, interval 1, probability 0, space 0, times 0 [ 417.316523][ T4344] CPU: 0 PID: 4344 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 417.318530][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.320611][ T4344] Call trace: [ 417.321275][ T4344] dump_backtrace+0x1c8/0x1f4 [ 417.322221][ T4344] show_stack+0x2c/0x3c [ 417.323055][ T4344] dump_stack_lvl+0xc0/0x104 [ 417.324026][ T4344] dump_stack+0x1c/0x50 [ 417.324869][ T4344] should_fail_ex+0x1bc/0x1e0 [ 417.325905][ T4344] __should_failslab+0x64/0x78 [ 417.326973][ T4344] should_failslab+0x10/0x28 [ 417.327991][ T4344] slab_pre_alloc_hook+0x54/0x1f4 [ 417.329079][ T4344] kmem_cache_alloc_lru+0x60/0x2ac [ 417.330164][ T4344] alloc_inode+0x7c/0x104 [ 417.331091][ T4344] new_inode+0x2c/0xc0 [ 417.331974][ T4344] debugfs_create_dir+0x98/0x1e0 [ 417.333019][ T4344] nbd_start_device+0x1b4/0x510 [ 417.334068][ T4344] nbd_ioctl+0x228/0x66c [ 417.334902][ T4344] blkdev_ioctl+0x218/0x664 [ 417.335939][ T4344] __arm64_sys_ioctl+0xd0/0x148 [ 417.336969][ T4344] invoke_syscall+0x64/0x178 [ 417.337903][ T4344] el0_svc_common+0xb8/0x174 [ 417.338943][ T4344] do_el0_svc+0x48/0x174 [ 417.339885][ T4344] el0_svc+0x34/0x110 [ 417.340710][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 417.341725][ T4344] el0t_64_sync+0x18c/0x190 [ 417.342741][ T4344] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.344342][ T4344] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.472951][ T4344] block nbd0: shutting down sockets [ 417.583586][ T4347] block nbd0: Device being setup by another task [ 417.626018][ T4346] FAULT_INJECTION: forcing a failure. [ 417.626018][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 417.628807][ T4346] CPU: 0 PID: 4346 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 417.631045][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.633153][ T4346] Call trace: [ 417.633799][ T4346] dump_backtrace+0x1c8/0x1f4 [ 417.634921][ T4346] show_stack+0x2c/0x3c [ 417.635747][ T4346] dump_stack_lvl+0xc0/0x104 [ 417.636657][ T4346] dump_stack+0x1c/0x50 [ 417.637560][ T4346] should_fail_ex+0x1bc/0x1e0 [ 417.638492][ T4346] __should_failslab+0x64/0x78 [ 417.639430][ T4346] should_failslab+0x10/0x28 [ 417.640350][ T4346] __kmem_cache_alloc_node+0x6c/0x348 [ 417.641406][ T4346] __kmalloc_node_track_caller+0x84/0xc0 [ 417.642598][ T4346] kstrdup_const+0x90/0xdc [ 417.643427][ T4346] __kernfs_new_node+0x5c/0x2e8 [ 417.644447][ T4346] kernfs_create_dir_ns+0xac/0x188 [ 417.645463][ T4346] sysfs_create_dir_ns+0x8c/0x168 [ 417.646442][ T4346] kobject_add_internal+0x314/0x64c [ 417.647555][ T4346] kobject_add+0xb8/0x130 [ 417.648419][ T4346] blk_mq_register_hctx+0x54/0x184 [ 417.649546][ T4346] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.650708][ T4346] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.651842][ T4346] nbd_start_device+0xc4/0x510 [ 417.652856][ T4346] nbd_ioctl+0x228/0x66c [ 417.653721][ T4346] blkdev_ioctl+0x218/0x664 [ 417.654640][ T4346] __arm64_sys_ioctl+0xd0/0x148 [ 417.655654][ T4346] invoke_syscall+0x64/0x178 [ 417.656563][ T4346] el0_svc_common+0xb8/0x174 [ 417.657463][ T4346] do_el0_svc+0x48/0x174 [ 417.658353][ T4346] el0_svc+0x34/0x110 [ 417.659194][ T4346] el0t_64_sync_handler+0x84/0xf0 [ 417.660274][ T4346] el0t_64_sync+0x18c/0x190 [ 417.661381][ T4346] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 417.769789][ T4346] block nbd0: shutting down sockets [ 417.893561][ T4350] block nbd0: Device being setup by another task [ 417.895015][ T4349] FAULT_INJECTION: forcing a failure. [ 417.895015][ T4349] name failslab, interval 1, probability 0, space 0, times 0 [ 417.897896][ T4349] CPU: 0 PID: 4349 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 417.899906][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.901979][ T4349] Call trace: [ 417.902634][ T4349] dump_backtrace+0x1c8/0x1f4 [ 417.903629][ T4349] show_stack+0x2c/0x3c [ 417.904621][ T4349] dump_stack_lvl+0xc0/0x104 [ 417.905561][ T4349] dump_stack+0x1c/0x50 [ 417.906535][ T4349] should_fail_ex+0x1bc/0x1e0 [ 417.907591][ T4349] __should_failslab+0x64/0x78 [ 417.908551][ T4349] should_failslab+0x10/0x28 [ 417.909490][ T4349] slab_pre_alloc_hook+0x54/0x1f4 [ 417.910582][ T4349] kmem_cache_alloc_lru+0x60/0x2ac [ 417.911670][ T4349] alloc_inode+0x7c/0x104 [ 417.912714][ T4349] new_inode+0x2c/0xc0 [ 417.913622][ T4349] debugfs_create_dir+0x98/0x1e0 [ 417.914682][ T4349] nbd_start_device+0x1b4/0x510 [ 417.915723][ T4349] nbd_ioctl+0x228/0x66c [ 417.916613][ T4349] blkdev_ioctl+0x218/0x664 [ 417.917625][ T4349] __arm64_sys_ioctl+0xd0/0x148 [ 417.918660][ T4349] invoke_syscall+0x64/0x178 [ 417.919696][ T4349] el0_svc_common+0xb8/0x174 [ 417.920672][ T4349] do_el0_svc+0x48/0x174 [ 417.921565][ T4349] el0_svc+0x34/0x110 [ 417.922323][ T4349] el0t_64_sync_handler+0x84/0xf0 [ 417.923489][ T4349] el0t_64_sync+0x18c/0x190 [ 417.924360][ T4349] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.926107][ T4349] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.038225][ T4349] block nbd0: shutting down sockets [ 418.173584][ T4353] block nbd0: Device being setup by another task [ 418.175000][ T4352] FAULT_INJECTION: forcing a failure. [ 418.175000][ T4352] name failslab, interval 1, probability 0, space 0, times 0 [ 418.177681][ T4352] CPU: 0 PID: 4352 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 418.179803][ T4352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.181961][ T4352] Call trace: [ 418.182758][ T4352] dump_backtrace+0x1c8/0x1f4 [ 418.183783][ T4352] show_stack+0x2c/0x3c [ 418.184755][ T4352] dump_stack_lvl+0xc0/0x104 [ 418.185772][ T4352] dump_stack+0x1c/0x50 [ 418.186577][ T4352] should_fail_ex+0x1bc/0x1e0 [ 418.187512][ T4352] __should_failslab+0x64/0x78 [ 418.188603][ T4352] should_failslab+0x10/0x28 [ 418.189664][ T4352] slab_pre_alloc_hook+0x54/0x1f4 [ 418.190781][ T4352] kmem_cache_alloc_lru+0x60/0x2ac [ 418.191887][ T4352] alloc_inode+0x7c/0x104 [ 418.192884][ T4352] new_inode+0x2c/0xc0 [ 418.193783][ T4352] debugfs_create_dir+0x98/0x1e0 [ 418.194814][ T4352] nbd_start_device+0x1b4/0x510 [ 418.195867][ T4352] nbd_ioctl+0x228/0x66c [ 418.196699][ T4352] blkdev_ioctl+0x218/0x664 [ 418.197642][ T4352] __arm64_sys_ioctl+0xd0/0x148 [ 418.198838][ T4352] invoke_syscall+0x64/0x178 [ 418.199732][ T4352] el0_svc_common+0xb8/0x174 [ 418.200762][ T4352] do_el0_svc+0x48/0x174 [ 418.201637][ T4352] el0_svc+0x34/0x110 [ 418.202426][ T4352] el0t_64_sync_handler+0x84/0xf0 [ 418.203547][ T4352] el0t_64_sync+0x18c/0x190 [ 418.204562][ T4352] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.206143][ T4352] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.313752][ T4352] block nbd0: shutting down sockets [ 418.435083][ T4355] ------------[ cut here ]------------ [ 418.436227][ T4355] kernfs: can not remove 'nr_tags', no directory [ 418.437732][ T4355] WARNING: CPU: 1 PID: 4355 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.439671][ T4355] Modules linked in: [ 418.440438][ T4355] CPU: 1 PID: 4355 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 418.442482][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.444602][ T4355] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.446203][ T4355] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.447461][ T4355] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.448670][ T4355] sp : ffff80000df43ac0 [ 418.449549][ T4355] x29: ffff80000df43ac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 418.451206][ T4355] x26: ffff0000c64a2508 x25: ffff80000df43be8 x24: ffff0000c8887b80 [ 418.452848][ T4355] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 418.454543][ T4355] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.456122][ T4355] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 418.457770][ T4355] x14: 0000000000000000 x13: 205d353533345420 x12: ffff80000d1c5000 [ 418.459421][ T4355] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bc97e64600e33500 [ 418.461026][ T4355] x8 : bc97e64600e33500 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 418.462714][ T4355] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.464464][ T4355] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.466186][ T4355] Call trace: [ 418.466855][ T4355] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.467985][ T4355] sysfs_remove_group+0x68/0x160 [ 418.469049][ T4355] sysfs_remove_groups+0x3c/0x78 [ 418.470156][ T4355] __kobject_del+0x34/0x134 [ 418.471251][ T4355] kobject_del+0x2c/0x4c [ 418.472154][ T4355] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.473365][ T4355] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.474563][ T4355] nbd_start_device+0xc4/0x510 [ 418.475552][ T4355] nbd_ioctl+0x228/0x66c [ 418.476440][ T4355] blkdev_ioctl+0x218/0x664 [ 418.477389][ T4355] __arm64_sys_ioctl+0xd0/0x148 [ 418.478361][ T4355] invoke_syscall+0x64/0x178 [ 418.479391][ T4355] el0_svc_common+0xb8/0x174 [ 418.480370][ T4355] do_el0_svc+0x48/0x174 [ 418.481336][ T4355] el0_svc+0x34/0x110 [ 418.482065][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 418.483149][ T4355] el0t_64_sync+0x18c/0x190 [ 418.484406][ T4355] ---[ end trace 0000000000000000 ]--- [ 418.485542][ T4355] ------------[ cut here ]------------ [ 418.486648][ T4355] kernfs: can not remove 'nr_reserved_tags', no directory [ 418.488172][ T4355] WARNING: CPU: 1 PID: 4355 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.490174][ T4355] Modules linked in: [ 418.490929][ T4355] CPU: 1 PID: 4355 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 418.492938][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.495087][ T4355] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.496759][ T4355] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.498011][ T4355] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.499225][ T4355] sp : ffff80000df43ac0 [ 418.500041][ T4355] x29: ffff80000df43ac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 418.501657][ T4355] x26: ffff0000c64a2508 x25: ffff80000df43be8 x24: ffff0000c8887b80 [ 418.503581][ T4355] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 418.505340][ T4355] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.506887][ T4355] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 418.508457][ T4355] x14: 0000000000000000 x13: 205d353533345420 x12: ffff80000d1c5000 [ 418.510216][ T4355] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bc97e64600e33500 [ 418.511952][ T4355] x8 : bc97e64600e33500 x7 : 0000000000000000 x6 : ffff80000ae33510 [ 418.513583][ T4355] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f6e68 [ 418.515328][ T4355] x2 : ffff0001fe9f6e68 x1 : ffff80000b9d8e49 x0 : 0000000000000001 [ 418.516971][ T4355] Call trace: [ 418.517642][ T4355] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.518792][ T4355] sysfs_remove_group+0x68/0x160 [ 418.519779][ T4355] sysfs_remove_groups+0x3c/0x78 [ 418.520725][ T4355] __kobject_del+0x34/0x134 [ 418.521634][ T4355] kobject_del+0x2c/0x4c [ 418.522472][ T4355] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.523782][ T4355] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.525012][ T4355] nbd_start_device+0xc4/0x510 [ 418.526128][ T4355] nbd_ioctl+0x228/0x66c [ 418.526990][ T4355] blkdev_ioctl+0x218/0x664 [ 418.527987][ T4355] __arm64_sys_ioctl+0xd0/0x148 [ 418.528964][ T4355] invoke_syscall+0x64/0x178 [ 418.529981][ T4355] el0_svc_common+0xb8/0x174 [ 418.530919][ T4355] do_el0_svc+0x48/0x174 [ 418.531774][ T4355] el0_svc+0x34/0x110 [ 418.532652][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 418.533750][ T4355] el0t_64_sync+0x18c/0x190 [ 418.534784][ T4355] ---[ end trace 0000000000000000 ]--- [ 418.536214][ T4355] ------------[ cut here ]------------ [ 418.537272][ T4355] kernfs: can not remove 'cpu_list', no directory [ 418.538685][ T4355] WARNING: CPU: 1 PID: 4355 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.540747][ T4355] Modules linked in: [ 418.541687][ T4355] CPU: 1 PID: 4355 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 418.543913][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.546039][ T4355] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.547760][ T4355] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.548983][ T4355] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.550240][ T4355] sp : ffff80000df43ac0 [ 418.551107][ T4355] x29: ffff80000df43ac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 418.552956][ T4355] x26: ffff0000c64a2508 x25: ffff80000df43be8 x24: ffff0000c8887b80 [ 418.554606][ T4355] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 418.556164][ T4355] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.557886][ T4355] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 418.559543][ T4355] x14: 0000000000000000 x13: 205d353533345420 x12: ffff80000d1c5000 [ 418.561312][ T4355] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bc97e64600e33500 [ 418.563111][ T4355] x8 : bc97e64600e33500 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 418.564771][ T4355] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.566429][ T4355] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.568166][ T4355] Call trace: [ 418.568914][ T4355] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.569972][ T4355] sysfs_remove_group+0x68/0x160 [ 418.571135][ T4355] sysfs_remove_groups+0x3c/0x78 [ 418.572103][ T4355] __kobject_del+0x34/0x134 [ 418.573057][ T4355] kobject_del+0x2c/0x4c [ 418.573917][ T4355] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.575263][ T4355] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.576492][ T4355] nbd_start_device+0xc4/0x510 [ 418.577483][ T4355] nbd_ioctl+0x228/0x66c [ 418.578335][ T4355] blkdev_ioctl+0x218/0x664 [ 418.579337][ T4355] __arm64_sys_ioctl+0xd0/0x148 [ 418.580300][ T4355] invoke_syscall+0x64/0x178 [ 418.581331][ T4355] el0_svc_common+0xb8/0x174 [ 418.582271][ T4355] do_el0_svc+0x48/0x174 [ 418.583185][ T4355] el0_svc+0x34/0x110 [ 418.583981][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 418.585096][ T4355] el0t_64_sync+0x18c/0x190 [ 418.586006][ T4355] ---[ end trace 0000000000000000 ]--- [ 418.594540][ T4355] block nbd0: shutting down sockets [ 418.663902][ T4357] FAULT_INJECTION: forcing a failure. [ 418.663902][ T4357] name failslab, interval 1, probability 0, space 0, times 0 [ 418.666633][ T4357] CPU: 0 PID: 4357 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 418.668736][ T4357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.670888][ T4357] Call trace: [ 418.671557][ T4357] dump_backtrace+0x1c8/0x1f4 [ 418.672531][ T4357] show_stack+0x2c/0x3c [ 418.673316][ T4357] dump_stack_lvl+0xc0/0x104 [ 418.674421][ T4357] dump_stack+0x1c/0x50 [ 418.675285][ T4357] should_fail_ex+0x1bc/0x1e0 [ 418.676335][ T4357] __should_failslab+0x64/0x78 [ 418.677378][ T4357] should_failslab+0x10/0x28 [ 418.678338][ T4357] slab_pre_alloc_hook+0x54/0x1f4 [ 418.679360][ T4357] kmem_cache_alloc_lru+0x60/0x2ac [ 418.680389][ T4357] alloc_inode+0x7c/0x104 [ 418.681445][ T4357] new_inode+0x2c/0xc0 [ 418.682274][ T4357] debugfs_create_dir+0x98/0x1e0 [ 418.683357][ T4357] nbd_start_device+0x1b4/0x510 [ 418.684261][ T4357] nbd_ioctl+0x228/0x66c [ 418.685068][ T4357] blkdev_ioctl+0x218/0x664 [ 418.686056][ T4357] __arm64_sys_ioctl+0xd0/0x148 [ 418.687136][ T4357] invoke_syscall+0x64/0x178 [ 418.688158][ T4357] el0_svc_common+0xb8/0x174 [ 418.689155][ T4357] do_el0_svc+0x48/0x174 [ 418.690025][ T4357] el0_svc+0x34/0x110 [ 418.690863][ T4357] el0t_64_sync_handler+0x84/0xf0 [ 418.691933][ T4357] el0t_64_sync+0x18c/0x190 [ 418.692859][ T4357] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.694655][ T4357] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.822823][ T4357] block nbd0: shutting down sockets [ 418.903804][ T4359] FAULT_INJECTION: forcing a failure. [ 418.903804][ T4359] name failslab, interval 1, probability 0, space 0, times 0 [ 418.906658][ T4359] CPU: 0 PID: 4359 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 418.908590][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.910707][ T4359] Call trace: [ 418.911460][ T4359] dump_backtrace+0x1c8/0x1f4 [ 418.912476][ T4359] show_stack+0x2c/0x3c [ 418.913378][ T4359] dump_stack_lvl+0xc0/0x104 [ 418.914300][ T4359] dump_stack+0x1c/0x50 [ 418.915235][ T4359] should_fail_ex+0x1bc/0x1e0 [ 418.916241][ T4359] __should_failslab+0x64/0x78 [ 418.917343][ T4359] should_failslab+0x10/0x28 [ 418.918356][ T4359] slab_pre_alloc_hook+0x54/0x1f4 [ 418.919554][ T4359] kmem_cache_alloc_lru+0x60/0x2ac [ 418.920682][ T4359] alloc_inode+0x7c/0x104 [ 418.921603][ T4359] new_inode+0x2c/0xc0 [ 418.922495][ T4359] debugfs_create_dir+0x98/0x1e0 [ 418.923492][ T4359] nbd_start_device+0x1b4/0x510 [ 418.924554][ T4359] nbd_ioctl+0x228/0x66c [ 418.925471][ T4359] blkdev_ioctl+0x218/0x664 [ 418.926448][ T4359] __arm64_sys_ioctl+0xd0/0x148 [ 418.927470][ T4359] invoke_syscall+0x64/0x178 [ 418.928592][ T4359] el0_svc_common+0xb8/0x174 [ 418.929637][ T4359] do_el0_svc+0x48/0x174 [ 418.930577][ T4359] el0_svc+0x34/0x110 [ 418.931468][ T4359] el0t_64_sync_handler+0x84/0xf0 [ 418.932645][ T4359] el0t_64_sync+0x18c/0x190 [ 418.933906][ T4359] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.935481][ T4359] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.062981][ T4359] block nbd0: shutting down sockets [ 419.153824][ T4361] FAULT_INJECTION: forcing a failure. [ 419.153824][ T4361] name failslab, interval 1, probability 0, space 0, times 0 [ 419.156640][ T4361] CPU: 0 PID: 4361 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 419.158642][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.160782][ T4361] Call trace: [ 419.161452][ T4361] dump_backtrace+0x1c8/0x1f4 [ 419.162513][ T4361] show_stack+0x2c/0x3c [ 419.163356][ T4361] dump_stack_lvl+0xc0/0x104 [ 419.164259][ T4361] dump_stack+0x1c/0x50 [ 419.165206][ T4361] should_fail_ex+0x1bc/0x1e0 [ 419.166163][ T4361] __should_failslab+0x64/0x78 [ 419.167202][ T4361] should_failslab+0x10/0x28 [ 419.168170][ T4361] slab_pre_alloc_hook+0x54/0x1f4 [ 419.169218][ T4361] kmem_cache_alloc_lru+0x60/0x2ac [ 419.170389][ T4361] alloc_inode+0x7c/0x104 [ 419.171367][ T4361] new_inode+0x2c/0xc0 [ 419.172180][ T4361] debugfs_create_dir+0x98/0x1e0 [ 419.173142][ T4361] nbd_start_device+0x1b4/0x510 [ 419.174265][ T4361] nbd_ioctl+0x228/0x66c [ 419.175182][ T4361] blkdev_ioctl+0x218/0x664 [ 419.176146][ T4361] __arm64_sys_ioctl+0xd0/0x148 [ 419.177200][ T4361] invoke_syscall+0x64/0x178 [ 419.178250][ T4361] el0_svc_common+0xb8/0x174 [ 419.179264][ T4361] do_el0_svc+0x48/0x174 [ 419.180103][ T4361] el0_svc+0x34/0x110 [ 419.180920][ T4361] el0t_64_sync_handler+0x84/0xf0 [ 419.181934][ T4361] el0t_64_sync+0x18c/0x190 [ 419.182933][ T4361] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.184756][ T4361] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.312768][ T4361] block nbd0: shutting down sockets [ 419.393807][ T4363] FAULT_INJECTION: forcing a failure. [ 419.393807][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 419.396518][ T4363] CPU: 0 PID: 4363 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 419.398571][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.400978][ T4363] Call trace: [ 419.401635][ T4363] dump_backtrace+0x1c8/0x1f4 [ 419.402627][ T4363] show_stack+0x2c/0x3c [ 419.403523][ T4363] dump_stack_lvl+0xc0/0x104 [ 419.404616][ T4363] dump_stack+0x1c/0x50 [ 419.405586][ T4363] should_fail_ex+0x1bc/0x1e0 [ 419.406525][ T4363] __should_failslab+0x64/0x78 [ 419.407548][ T4363] should_failslab+0x10/0x28 [ 419.408619][ T4363] slab_pre_alloc_hook+0x54/0x1f4 [ 419.409695][ T4363] kmem_cache_alloc_lru+0x60/0x2ac [ 419.410708][ T4363] alloc_inode+0x7c/0x104 [ 419.411574][ T4363] new_inode+0x2c/0xc0 [ 419.412414][ T4363] debugfs_create_dir+0x98/0x1e0 [ 419.413404][ T4363] nbd_start_device+0x1b4/0x510 [ 419.414471][ T4363] nbd_ioctl+0x228/0x66c [ 419.415281][ T4363] blkdev_ioctl+0x218/0x664 [ 419.416167][ T4363] __arm64_sys_ioctl+0xd0/0x148 [ 419.417225][ T4363] invoke_syscall+0x64/0x178 [ 419.418185][ T4363] el0_svc_common+0xb8/0x174 [ 419.419182][ T4363] do_el0_svc+0x48/0x174 [ 419.420071][ T4363] el0_svc+0x34/0x110 [ 419.420952][ T4363] el0t_64_sync_handler+0x84/0xf0 [ 419.421975][ T4363] el0t_64_sync+0x18c/0x190 [ 419.423050][ T4363] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.424682][ T4363] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.552606][ T4363] block nbd0: shutting down sockets [ 419.633751][ T4365] FAULT_INJECTION: forcing a failure. [ 419.633751][ T4365] name failslab, interval 1, probability 0, space 0, times 0 [ 419.636455][ T4365] CPU: 0 PID: 4365 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 419.638554][ T4365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.640747][ T4365] Call trace: [ 419.641382][ T4365] dump_backtrace+0x1c8/0x1f4 [ 419.642369][ T4365] show_stack+0x2c/0x3c [ 419.643249][ T4365] dump_stack_lvl+0xc0/0x104 [ 419.644146][ T4365] dump_stack+0x1c/0x50 [ 419.645038][ T4365] should_fail_ex+0x1bc/0x1e0 [ 419.646076][ T4365] __should_failslab+0x64/0x78 [ 419.647021][ T4365] should_failslab+0x10/0x28 [ 419.647999][ T4365] slab_pre_alloc_hook+0x54/0x1f4 [ 419.649084][ T4365] kmem_cache_alloc_lru+0x60/0x2ac [ 419.650105][ T4365] alloc_inode+0x7c/0x104 [ 419.651003][ T4365] new_inode+0x2c/0xc0 [ 419.651953][ T4365] debugfs_create_dir+0x98/0x1e0 [ 419.653002][ T4365] nbd_start_device+0x1b4/0x510 [ 419.654024][ T4365] nbd_ioctl+0x228/0x66c [ 419.654913][ T4365] blkdev_ioctl+0x218/0x664 [ 419.655908][ T4365] __arm64_sys_ioctl+0xd0/0x148 [ 419.656911][ T4365] invoke_syscall+0x64/0x178 [ 419.657811][ T4365] el0_svc_common+0xb8/0x174 [ 419.658716][ T4365] do_el0_svc+0x48/0x174 [ 419.659573][ T4365] el0_svc+0x34/0x110 [ 419.660394][ T4365] el0t_64_sync_handler+0x84/0xf0 [ 419.661412][ T4365] el0t_64_sync+0x18c/0x190 [ 419.662701][ T4365] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.664259][ T4365] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.792424][ T4365] block nbd0: shutting down sockets [ 419.873798][ T4367] FAULT_INJECTION: forcing a failure. [ 419.873798][ T4367] name failslab, interval 1, probability 0, space 0, times 0 [ 419.876514][ T4367] CPU: 0 PID: 4367 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 419.878702][ T4367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.880817][ T4367] Call trace: [ 419.881486][ T4367] dump_backtrace+0x1c8/0x1f4 [ 419.882459][ T4367] show_stack+0x2c/0x3c [ 419.883204][ T4367] dump_stack_lvl+0xc0/0x104 [ 419.884199][ T4367] dump_stack+0x1c/0x50 [ 419.885045][ T4367] should_fail_ex+0x1bc/0x1e0 [ 419.886033][ T4367] __should_failslab+0x64/0x78 [ 419.886964][ T4367] should_failslab+0x10/0x28 [ 419.888007][ T4367] slab_pre_alloc_hook+0x54/0x1f4 [ 419.889034][ T4367] kmem_cache_alloc_lru+0x60/0x2ac [ 419.890147][ T4367] alloc_inode+0x7c/0x104 [ 419.891156][ T4367] new_inode+0x2c/0xc0 [ 419.892059][ T4367] debugfs_create_dir+0x98/0x1e0 [ 419.893132][ T4367] nbd_start_device+0x1b4/0x510 [ 419.894239][ T4367] nbd_ioctl+0x228/0x66c [ 419.895117][ T4367] blkdev_ioctl+0x218/0x664 [ 419.896167][ T4367] __arm64_sys_ioctl+0xd0/0x148 [ 419.897154][ T4367] invoke_syscall+0x64/0x178 [ 419.898300][ T4367] el0_svc_common+0xb8/0x174 [ 419.899258][ T4367] do_el0_svc+0x48/0x174 [ 419.900168][ T4367] el0_svc+0x34/0x110 [ 419.901185][ T4367] el0t_64_sync_handler+0x84/0xf0 [ 419.902311][ T4367] el0t_64_sync+0x18c/0x190 [ 419.903304][ T4367] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.904924][ T4367] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.032474][ T4367] block nbd0: shutting down sockets [ 420.113786][ T4369] FAULT_INJECTION: forcing a failure. [ 420.113786][ T4369] name failslab, interval 1, probability 0, space 0, times 0 [ 420.116326][ T4369] CPU: 0 PID: 4369 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 420.118457][ T4369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.120649][ T4369] Call trace: [ 420.121310][ T4369] dump_backtrace+0x1c8/0x1f4 [ 420.122377][ T4369] show_stack+0x2c/0x3c [ 420.123327][ T4369] dump_stack_lvl+0xc0/0x104 [ 420.124252][ T4369] dump_stack+0x1c/0x50 [ 420.125198][ T4369] should_fail_ex+0x1bc/0x1e0 [ 420.126214][ T4369] __should_failslab+0x64/0x78 [ 420.127270][ T4369] should_failslab+0x10/0x28 [ 420.128221][ T4369] slab_pre_alloc_hook+0x54/0x1f4 [ 420.129219][ T4369] kmem_cache_alloc_lru+0x60/0x2ac [ 420.130450][ T4369] alloc_inode+0x7c/0x104 [ 420.131462][ T4369] new_inode+0x2c/0xc0 [ 420.132323][ T4369] debugfs_create_dir+0x98/0x1e0 [ 420.133516][ T4369] nbd_start_device+0x1b4/0x510 [ 420.134576][ T4369] nbd_ioctl+0x228/0x66c [ 420.135412][ T4369] blkdev_ioctl+0x218/0x664 [ 420.136417][ T4369] __arm64_sys_ioctl+0xd0/0x148 [ 420.137508][ T4369] invoke_syscall+0x64/0x178 [ 420.138489][ T4369] el0_svc_common+0xb8/0x174 [ 420.139410][ T4369] do_el0_svc+0x48/0x174 [ 420.140256][ T4369] el0_svc+0x34/0x110 [ 420.141137][ T4369] el0t_64_sync_handler+0x84/0xf0 [ 420.142208][ T4369] el0t_64_sync+0x18c/0x190 [ 420.143218][ T4369] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.144858][ T4369] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.273112][ T4369] block nbd0: shutting down sockets [ 420.353797][ T4371] FAULT_INJECTION: forcing a failure. [ 420.353797][ T4371] name failslab, interval 1, probability 0, space 0, times 0 [ 420.356527][ T4371] CPU: 0 PID: 4371 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 420.358608][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.360774][ T4371] Call trace: [ 420.361418][ T4371] dump_backtrace+0x1c8/0x1f4 [ 420.362491][ T4371] show_stack+0x2c/0x3c [ 420.363280][ T4371] dump_stack_lvl+0xc0/0x104 [ 420.364227][ T4371] dump_stack+0x1c/0x50 [ 420.365021][ T4371] should_fail_ex+0x1bc/0x1e0 [ 420.365998][ T4371] __should_failslab+0x64/0x78 [ 420.367050][ T4371] should_failslab+0x10/0x28 [ 420.368031][ T4371] slab_pre_alloc_hook+0x54/0x1f4 [ 420.369122][ T4371] kmem_cache_alloc_lru+0x60/0x2ac [ 420.370191][ T4371] alloc_inode+0x7c/0x104 [ 420.371073][ T4371] new_inode+0x2c/0xc0 [ 420.371955][ T4371] debugfs_create_dir+0x98/0x1e0 [ 420.373172][ T4371] nbd_start_device+0x1b4/0x510 [ 420.374173][ T4371] nbd_ioctl+0x228/0x66c [ 420.375115][ T4371] blkdev_ioctl+0x218/0x664 [ 420.376160][ T4371] __arm64_sys_ioctl+0xd0/0x148 [ 420.377189][ T4371] invoke_syscall+0x64/0x178 [ 420.378096][ T4371] el0_svc_common+0xb8/0x174 [ 420.378998][ T4371] do_el0_svc+0x48/0x174 [ 420.379936][ T4371] el0_svc+0x34/0x110 [ 420.380845][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 420.381983][ T4371] el0t_64_sync+0x18c/0x190 [ 420.382972][ T4371] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.385065][ T4371] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.512064][ T4371] block nbd0: shutting down sockets [ 420.633548][ T4374] block nbd0: Device being setup by another task [ 420.675653][ T4373] FAULT_INJECTION: forcing a failure. [ 420.675653][ T4373] name failslab, interval 1, probability 0, space 0, times 0 [ 420.678413][ T4373] CPU: 1 PID: 4373 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 420.680527][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.682436][ T4373] Call trace: [ 420.683155][ T4373] dump_backtrace+0x1c8/0x1f4 [ 420.684208][ T4373] show_stack+0x2c/0x3c [ 420.685120][ T4373] dump_stack_lvl+0xc0/0x104 [ 420.686113][ T4373] dump_stack+0x1c/0x50 [ 420.687006][ T4373] should_fail_ex+0x1bc/0x1e0 [ 420.688122][ T4373] __should_failslab+0x64/0x78 [ 420.689154][ T4373] should_failslab+0x10/0x28 [ 420.690086][ T4373] __kmem_cache_alloc_node+0x6c/0x348 [ 420.691258][ T4373] __kmalloc_node_track_caller+0x84/0xc0 [ 420.692639][ T4373] kstrdup_const+0x90/0xdc [ 420.693598][ T4373] __kernfs_new_node+0x5c/0x2e8 [ 420.694662][ T4373] kernfs_create_dir_ns+0xac/0x188 [ 420.695682][ T4373] sysfs_create_dir_ns+0x8c/0x168 [ 420.696649][ T4373] kobject_add_internal+0x314/0x64c [ 420.697877][ T4373] kobject_add+0xb8/0x130 [ 420.698819][ T4373] blk_mq_register_hctx+0x54/0x184 [ 420.699984][ T4373] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 420.701213][ T4373] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 420.702530][ T4373] nbd_start_device+0xc4/0x510 [ 420.703571][ T4373] nbd_ioctl+0x228/0x66c [ 420.704498][ T4373] blkdev_ioctl+0x218/0x664 [ 420.705393][ T4373] __arm64_sys_ioctl+0xd0/0x148 [ 420.706469][ T4373] invoke_syscall+0x64/0x178 [ 420.707439][ T4373] el0_svc_common+0xb8/0x174 [ 420.708415][ T4373] do_el0_svc+0x48/0x174 [ 420.709338][ T4373] el0_svc+0x34/0x110 [ 420.710255][ T4373] el0t_64_sync_handler+0x84/0xf0 [ 420.711319][ T4373] el0t_64_sync+0x18c/0x190 [ 420.712384][ T4373] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 420.783714][ T4373] block nbd0: shutting down sockets [ 420.905319][ T4376] ------------[ cut here ]------------ [ 420.906626][ T4376] kernfs: can not remove 'nr_tags', no directory [ 420.907890][ T4376] WARNING: CPU: 0 PID: 4376 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.909941][ T4376] Modules linked in: [ 420.910704][ T4376] CPU: 0 PID: 4376 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 420.912708][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.914899][ T4376] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.916598][ T4376] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.917714][ T4376] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.918972][ T4376] sp : ffff80000df6bac0 [ 420.919845][ T4376] x29: ffff80000df6bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 420.921452][ T4376] x26: ffff0000c64a2508 x25: ffff80000df6bbe8 x24: ffff0001ffa72f80 [ 420.923212][ T4376] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 420.924964][ T4376] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.926757][ T4376] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 420.928461][ T4376] x14: 0000000000000000 x13: 205d363733345420 x12: ffff80000d1c5000 [ 420.930263][ T4376] x11: 0000000000ff0100 x10: 0000000000000000 x9 : f05126ae3e9a6f00 [ 420.932075][ T4376] x8 : f05126ae3e9a6f00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 420.933798][ T4376] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.935382][ T4376] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.937408][ T4376] Call trace: [ 420.938106][ T4376] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.939291][ T4376] sysfs_remove_group+0x68/0x160 [ 420.940534][ T4376] sysfs_remove_groups+0x3c/0x78 [ 420.941644][ T4376] __kobject_del+0x34/0x134 [ 420.942540][ T4376] kobject_del+0x2c/0x4c [ 420.943533][ T4376] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.944779][ T4376] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.946001][ T4376] nbd_start_device+0xc4/0x510 [ 420.947059][ T4376] nbd_ioctl+0x228/0x66c [ 420.948026][ T4376] blkdev_ioctl+0x218/0x664 [ 420.948958][ T4376] __arm64_sys_ioctl+0xd0/0x148 [ 420.949966][ T4376] invoke_syscall+0x64/0x178 [ 420.950872][ T4376] el0_svc_common+0xb8/0x174 [ 420.951804][ T4376] do_el0_svc+0x48/0x174 [ 420.952643][ T4376] el0_svc+0x34/0x110 [ 420.953533][ T4376] el0t_64_sync_handler+0x84/0xf0 [ 420.954616][ T4376] el0t_64_sync+0x18c/0x190 [ 420.955678][ T4376] ---[ end trace 0000000000000000 ]--- [ 420.957101][ T4376] ------------[ cut here ]------------ [ 420.958244][ T4376] kernfs: can not remove 'nr_reserved_tags', no directory [ 420.959774][ T4376] WARNING: CPU: 0 PID: 4376 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.961797][ T4376] Modules linked in: [ 420.962647][ T4376] CPU: 0 PID: 4376 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 420.965055][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.967139][ T4376] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.968690][ T4376] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.970003][ T4376] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.971276][ T4376] sp : ffff80000df6bac0 [ 420.972197][ T4376] x29: ffff80000df6bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 420.973888][ T4376] x26: ffff0000c64a2508 x25: ffff80000df6bbe8 x24: ffff0001ffa72f80 [ 420.975667][ T4376] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 420.977220][ T4376] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.978833][ T4376] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 420.980348][ T4376] x14: 0000000000000000 x13: 205d363733345420 x12: ffff80000d1c5000 [ 420.981979][ T4376] x11: 0000000000ff0100 x10: 0000000000000000 x9 : f05126ae3e9a6f00 [ 420.983830][ T4376] x8 : f05126ae3e9a6f00 x7 : 0000000000000000 x6 : ffff80000ae33510 [ 420.985530][ T4376] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dee68 [ 420.987160][ T4376] x2 : ffff0001fe9dee68 x1 : ffff80000b9d8e49 x0 : 0000000000000001 [ 420.988854][ T4376] Call trace: [ 420.989484][ T4376] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.990677][ T4376] sysfs_remove_group+0x68/0x160 [ 420.991685][ T4376] sysfs_remove_groups+0x3c/0x78 [ 420.992734][ T4376] __kobject_del+0x34/0x134 [ 420.993687][ T4376] kobject_del+0x2c/0x4c [ 420.994718][ T4376] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.995925][ T4376] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.997174][ T4376] nbd_start_device+0xc4/0x510 [ 420.998111][ T4376] nbd_ioctl+0x228/0x66c [ 420.999009][ T4376] blkdev_ioctl+0x218/0x664 [ 421.000010][ T4376] __arm64_sys_ioctl+0xd0/0x148 [ 421.001092][ T4376] invoke_syscall+0x64/0x178 [ 421.002166][ T4376] el0_svc_common+0xb8/0x174 [ 421.003055][ T4376] do_el0_svc+0x48/0x174 [ 421.003997][ T4376] el0_svc+0x34/0x110 [ 421.004763][ T4376] el0t_64_sync_handler+0x84/0xf0 [ 421.005770][ T4376] el0t_64_sync+0x18c/0x190 [ 421.006752][ T4376] ---[ end trace 0000000000000000 ]--- [ 421.007899][ T4376] ------------[ cut here ]------------ [ 421.008993][ T4376] kernfs: can not remove 'cpu_list', no directory [ 421.010392][ T4376] WARNING: CPU: 0 PID: 4376 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.012296][ T4376] Modules linked in: [ 421.013149][ T4376] CPU: 0 PID: 4376 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 421.015347][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.017430][ T4376] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.019041][ T4376] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.020215][ T4376] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.021450][ T4376] sp : ffff80000df6bac0 [ 421.022360][ T4376] x29: ffff80000df6bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 421.023987][ T4376] x26: ffff0000c64a2508 x25: ffff80000df6bbe8 x24: ffff0001ffa72f80 [ 421.025662][ T4376] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 421.027380][ T4376] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.029136][ T4376] x17: ffff80000d401688 x16: 0000000000001167 x15: 0000000000000000 [ 421.030859][ T4376] x14: 0000000000000000 x13: 205d363733345420 x12: ffff80000d1c5000 [ 421.032469][ T4376] x11: 0000000000ff0100 x10: 0000000000000000 x9 : f05126ae3e9a6f00 [ 421.034136][ T4376] x8 : f05126ae3e9a6f00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 421.035818][ T4376] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.037452][ T4376] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.038968][ T4376] Call trace: [ 421.039602][ T4376] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.040678][ T4376] sysfs_remove_group+0x68/0x160 [ 421.041697][ T4376] sysfs_remove_groups+0x3c/0x78 [ 421.042617][ T4376] __kobject_del+0x34/0x134 [ 421.043427][ T4376] kobject_del+0x2c/0x4c [ 421.044218][ T4376] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.045408][ T4376] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.046620][ T4376] nbd_start_device+0xc4/0x510 [ 421.047586][ T4376] nbd_ioctl+0x228/0x66c [ 421.048395][ T4376] blkdev_ioctl+0x218/0x664 [ 421.049297][ T4376] __arm64_sys_ioctl+0xd0/0x148 [ 421.050287][ T4376] invoke_syscall+0x64/0x178 [ 421.051191][ T4376] el0_svc_common+0xb8/0x174 [ 421.052077][ T4376] do_el0_svc+0x48/0x174 [ 421.052996][ T4376] el0_svc+0x34/0x110 [ 421.053799][ T4376] el0t_64_sync_handler+0x84/0xf0 [ 421.054757][ T4376] el0t_64_sync+0x18c/0x190 [ 421.055635][ T4376] ---[ end trace 0000000000000000 ]--- [ 421.059086][ T4376] block nbd0: shutting down sockets [ 421.153802][ T4378] FAULT_INJECTION: forcing a failure. [ 421.153802][ T4378] name failslab, interval 1, probability 0, space 0, times 0 [ 421.156380][ T4378] CPU: 1 PID: 4378 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 421.158260][ T4378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.160267][ T4378] Call trace: [ 421.160910][ T4378] dump_backtrace+0x1c8/0x1f4 [ 421.161906][ T4378] show_stack+0x2c/0x3c [ 421.162744][ T4378] dump_stack_lvl+0xc0/0x104 [ 421.163702][ T4378] dump_stack+0x1c/0x50 [ 421.164492][ T4378] should_fail_ex+0x1bc/0x1e0 [ 421.165386][ T4378] __should_failslab+0x64/0x78 [ 421.166334][ T4378] should_failslab+0x10/0x28 [ 421.167181][ T4378] slab_pre_alloc_hook+0x54/0x1f4 [ 421.168249][ T4378] kmem_cache_alloc_lru+0x60/0x2ac [ 421.169268][ T4378] alloc_inode+0x7c/0x104 [ 421.170168][ T4378] new_inode+0x2c/0xc0 [ 421.170937][ T4378] debugfs_create_dir+0x98/0x1e0 [ 421.171890][ T4378] nbd_start_device+0x1b4/0x510 [ 421.172870][ T4378] nbd_ioctl+0x228/0x66c [ 421.173676][ T4378] blkdev_ioctl+0x218/0x664 [ 421.174629][ T4378] __arm64_sys_ioctl+0xd0/0x148 [ 421.175592][ T4378] invoke_syscall+0x64/0x178 [ 421.176459][ T4378] el0_svc_common+0xb8/0x174 [ 421.177392][ T4378] do_el0_svc+0x48/0x174 [ 421.178217][ T4378] el0_svc+0x34/0x110 [ 421.179024][ T4378] el0t_64_sync_handler+0x84/0xf0 [ 421.180037][ T4378] el0t_64_sync+0x18c/0x190 [ 421.181020][ T4378] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.182583][ T4378] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.312634][ T4378] block nbd0: shutting down sockets [ 421.423587][ T4381] block nbd0: Device being setup by another task [ 421.465829][ T4380] FAULT_INJECTION: forcing a failure. [ 421.465829][ T4380] name failslab, interval 1, probability 0, space 0, times 0 [ 421.468414][ T4380] CPU: 0 PID: 4380 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 421.470547][ T4380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.472707][ T4380] Call trace: [ 421.473446][ T4380] dump_backtrace+0x1c8/0x1f4 [ 421.474421][ T4380] show_stack+0x2c/0x3c [ 421.475262][ T4380] dump_stack_lvl+0xc0/0x104 [ 421.476269][ T4380] dump_stack+0x1c/0x50 [ 421.477077][ T4380] should_fail_ex+0x1bc/0x1e0 [ 421.478157][ T4380] __should_failslab+0x64/0x78 [ 421.479144][ T4380] should_failslab+0x10/0x28 [ 421.480160][ T4380] __kmem_cache_alloc_node+0x6c/0x348 [ 421.481272][ T4380] __kmalloc_node_track_caller+0x84/0xc0 [ 421.482471][ T4380] kstrdup_const+0x90/0xdc [ 421.483319][ T4380] __kernfs_new_node+0x5c/0x2e8 [ 421.484377][ T4380] kernfs_create_dir_ns+0xac/0x188 [ 421.485482][ T4380] sysfs_create_dir_ns+0x8c/0x168 [ 421.486646][ T4380] kobject_add_internal+0x314/0x64c [ 421.487745][ T4380] kobject_add+0xb8/0x130 [ 421.488647][ T4380] blk_mq_register_hctx+0x54/0x184 [ 421.489757][ T4380] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 421.490931][ T4380] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 421.492164][ T4380] nbd_start_device+0xc4/0x510 [ 421.493167][ T4380] nbd_ioctl+0x228/0x66c [ 421.494073][ T4380] blkdev_ioctl+0x218/0x664 [ 421.495053][ T4380] __arm64_sys_ioctl+0xd0/0x148 [ 421.496089][ T4380] invoke_syscall+0x64/0x178 [ 421.497028][ T4380] el0_svc_common+0xb8/0x174 [ 421.497983][ T4380] do_el0_svc+0x48/0x174 [ 421.498880][ T4380] el0_svc+0x34/0x110 [ 421.499720][ T4380] el0t_64_sync_handler+0x84/0xf0 [ 421.500862][ T4380] el0t_64_sync+0x18c/0x190 [ 421.501842][ T4380] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 421.610455][ T4380] block nbd0: shutting down sockets [ 421.723552][ T4384] block nbd0: Device being setup by another task [ 421.725112][ T4383] FAULT_INJECTION: forcing a failure. [ 421.725112][ T4383] name failslab, interval 1, probability 0, space 0, times 0 [ 421.727571][ T4383] CPU: 0 PID: 4383 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 421.729451][ T4383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.731391][ T4383] Call trace: [ 421.732041][ T4383] dump_backtrace+0x1c8/0x1f4 [ 421.733021][ T4383] show_stack+0x2c/0x3c [ 421.733792][ T4383] dump_stack_lvl+0xc0/0x104 [ 421.734684][ T4383] dump_stack+0x1c/0x50 [ 421.735625][ T4383] should_fail_ex+0x1bc/0x1e0 [ 421.736629][ T4383] __should_failslab+0x64/0x78 [ 421.737687][ T4383] should_failslab+0x10/0x28 [ 421.738712][ T4383] slab_pre_alloc_hook+0x54/0x1f4 [ 421.739715][ T4383] kmem_cache_alloc_lru+0x60/0x2ac [ 421.740807][ T4383] __d_alloc+0x3c/0x290 [ 421.741659][ T4383] d_alloc_parallel+0x58/0x914 [ 421.742728][ T4383] __lookup_slow+0x8c/0x204 [ 421.743656][ T4383] lookup_one_len+0xd4/0x188 [ 421.744658][ T4383] start_creating+0x124/0x1f4 [ 421.745599][ T4383] debugfs_create_dir+0x2c/0x1e0 [ 421.746624][ T4383] nbd_start_device+0x1b4/0x510 [ 421.747698][ T4383] nbd_ioctl+0x228/0x66c [ 421.748576][ T4383] blkdev_ioctl+0x218/0x664 [ 421.749512][ T4383] __arm64_sys_ioctl+0xd0/0x148 [ 421.750485][ T4383] invoke_syscall+0x64/0x178 [ 421.751560][ T4383] el0_svc_common+0xb8/0x174 [ 421.752566][ T4383] do_el0_svc+0x48/0x174 [ 421.753563][ T4383] el0_svc+0x34/0x110 [ 421.754354][ T4383] el0t_64_sync_handler+0x84/0xf0 [ 421.755401][ T4383] el0t_64_sync+0x18c/0x190 [ 421.756371][ T4383] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.879924][ T4383] block nbd0: shutting down sockets [ 421.993592][ T4387] block nbd0: Device being setup by another task [ 421.995191][ T4386] FAULT_INJECTION: forcing a failure. [ 421.995191][ T4386] name failslab, interval 1, probability 0, space 0, times 0 [ 421.997876][ T4386] CPU: 0 PID: 4386 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 421.999846][ T4386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.001779][ T4386] Call trace: [ 422.002427][ T4386] dump_backtrace+0x1c8/0x1f4 [ 422.003414][ T4386] show_stack+0x2c/0x3c [ 422.004311][ T4386] dump_stack_lvl+0xc0/0x104 [ 422.005310][ T4386] dump_stack+0x1c/0x50 [ 422.006201][ T4386] should_fail_ex+0x1bc/0x1e0 [ 422.007181][ T4386] __should_failslab+0x64/0x78 [ 422.008244][ T4386] should_failslab+0x10/0x28 [ 422.009160][ T4386] slab_pre_alloc_hook+0x54/0x1f4 [ 422.010347][ T4386] kmem_cache_alloc_lru+0x60/0x2ac [ 422.011658][ T4386] __d_alloc+0x3c/0x290 [ 422.012529][ T4386] d_alloc_parallel+0x58/0x914 [ 422.013657][ T4386] __lookup_slow+0x8c/0x204 [ 422.014620][ T4386] lookup_one_len+0xd4/0x188 [ 422.015589][ T4386] start_creating+0x124/0x1f4 [ 422.016551][ T4386] debugfs_create_dir+0x2c/0x1e0 [ 422.017645][ T4386] nbd_start_device+0x1b4/0x510 [ 422.018598][ T4386] nbd_ioctl+0x228/0x66c [ 422.019517][ T4386] blkdev_ioctl+0x218/0x664 [ 422.020481][ T4386] __arm64_sys_ioctl+0xd0/0x148 [ 422.021584][ T4386] invoke_syscall+0x64/0x178 [ 422.022478][ T4386] el0_svc_common+0xb8/0x174 [ 422.023505][ T4386] do_el0_svc+0x48/0x174 [ 422.024342][ T4386] el0_svc+0x34/0x110 [ 422.025206][ T4386] el0t_64_sync_handler+0x84/0xf0 [ 422.026301][ T4386] el0t_64_sync+0x18c/0x190 [ 422.027271][ T4386] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.147235][ T4386] block nbd0: shutting down sockets [ 422.273554][ T4390] block nbd0: Device being setup by another task [ 422.274907][ T4389] FAULT_INJECTION: forcing a failure. [ 422.274907][ T4389] name failslab, interval 1, probability 0, space 0, times 0 [ 422.277570][ T4389] CPU: 0 PID: 4389 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 422.279463][ T4389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.281474][ T4389] Call trace: [ 422.282137][ T4389] dump_backtrace+0x1c8/0x1f4 [ 422.283174][ T4389] show_stack+0x2c/0x3c [ 422.284033][ T4389] dump_stack_lvl+0xc0/0x104 [ 422.285006][ T4389] dump_stack+0x1c/0x50 [ 422.285894][ T4389] should_fail_ex+0x1bc/0x1e0 [ 422.286843][ T4389] __should_failslab+0x64/0x78 [ 422.287823][ T4389] should_failslab+0x10/0x28 [ 422.288716][ T4389] slab_pre_alloc_hook+0x54/0x1f4 [ 422.289727][ T4389] kmem_cache_alloc_lru+0x60/0x2ac [ 422.290740][ T4389] __d_alloc+0x3c/0x290 [ 422.291637][ T4389] d_alloc_parallel+0x58/0x914 [ 422.292614][ T4389] __lookup_slow+0x8c/0x204 [ 422.293611][ T4389] lookup_one_len+0xd4/0x188 [ 422.294548][ T4389] start_creating+0x124/0x1f4 [ 422.295504][ T4389] debugfs_create_dir+0x2c/0x1e0 [ 422.296442][ T4389] nbd_start_device+0x1b4/0x510 [ 422.297446][ T4389] nbd_ioctl+0x228/0x66c [ 422.298387][ T4389] blkdev_ioctl+0x218/0x664 [ 422.299272][ T4389] __arm64_sys_ioctl+0xd0/0x148 [ 422.300262][ T4389] invoke_syscall+0x64/0x178 [ 422.301268][ T4389] el0_svc_common+0xb8/0x174 [ 422.302274][ T4389] do_el0_svc+0x48/0x174 [ 422.303127][ T4389] el0_svc+0x34/0x110 [ 422.303931][ T4389] el0t_64_sync_handler+0x84/0xf0 [ 422.305013][ T4389] el0t_64_sync+0x18c/0x190 [ 422.306091][ T4389] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.415897][ T4389] block nbd0: shutting down sockets [ 422.553598][ T4393] block nbd0: Device being setup by another task [ 422.555147][ T4392] FAULT_INJECTION: forcing a failure. [ 422.555147][ T4392] name failslab, interval 1, probability 0, space 0, times 0 [ 422.557700][ T4392] CPU: 0 PID: 4392 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 422.559808][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.562039][ T4392] Call trace: [ 422.562674][ T4392] dump_backtrace+0x1c8/0x1f4 [ 422.563671][ T4392] show_stack+0x2c/0x3c [ 422.564547][ T4392] dump_stack_lvl+0xc0/0x104 [ 422.565450][ T4392] dump_stack+0x1c/0x50 [ 422.566310][ T4392] should_fail_ex+0x1bc/0x1e0 [ 422.567293][ T4392] __should_failslab+0x64/0x78 [ 422.568283][ T4392] should_failslab+0x10/0x28 [ 422.569190][ T4392] slab_pre_alloc_hook+0x54/0x1f4 [ 422.570230][ T4392] kmem_cache_alloc_lru+0x60/0x2ac [ 422.571197][ T4392] __d_alloc+0x3c/0x290 [ 422.572027][ T4392] d_alloc_parallel+0x58/0x914 [ 422.572967][ T4392] __lookup_slow+0x8c/0x204 [ 422.573854][ T4392] lookup_one_len+0xd4/0x188 [ 422.574765][ T4392] start_creating+0x124/0x1f4 [ 422.575677][ T4392] debugfs_create_dir+0x2c/0x1e0 [ 422.576673][ T4392] nbd_start_device+0x1b4/0x510 [ 422.577614][ T4392] nbd_ioctl+0x228/0x66c [ 422.578469][ T4392] blkdev_ioctl+0x218/0x664 [ 422.579388][ T4392] __arm64_sys_ioctl+0xd0/0x148 [ 422.580364][ T4392] invoke_syscall+0x64/0x178 [ 422.581386][ T4392] el0_svc_common+0xb8/0x174 [ 422.582333][ T4392] do_el0_svc+0x48/0x174 [ 422.583176][ T4392] el0_svc+0x34/0x110 [ 422.583991][ T4392] el0t_64_sync_handler+0x84/0xf0 [ 422.584970][ T4392] el0t_64_sync+0x18c/0x190 [ 422.585901][ T4392] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.685700][ T4392] block nbd0: shutting down sockets [ 422.804898][ T4395] ------------[ cut here ]------------ [ 422.806205][ T4395] kernfs: can not remove 'nr_tags', no directory [ 422.807630][ T4395] WARNING: CPU: 1 PID: 4395 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.809739][ T4395] Modules linked in: [ 422.810521][ T4395] CPU: 1 PID: 4395 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 422.812728][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.814823][ T4395] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.816366][ T4395] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.817582][ T4395] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.818891][ T4395] sp : ffff80000df6bac0 [ 422.819729][ T4395] x29: ffff80000df6bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 422.821321][ T4395] x26: ffff0000c64a2508 x25: ffff80000df6bbe8 x24: ffff0000c88f9d00 [ 422.823028][ T4395] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 422.824616][ T4395] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.826311][ T4395] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 422.827991][ T4395] x14: 0000000000000000 x13: 205d353933345420 x12: ffff80000d1c5000 [ 422.829802][ T4395] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 72ff60496664de00 [ 422.831542][ T4395] x8 : 72ff60496664de00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 422.833169][ T4395] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.834853][ T4395] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.836475][ T4395] Call trace: [ 422.837138][ T4395] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.838262][ T4395] sysfs_remove_group+0x68/0x160 [ 422.839262][ T4395] sysfs_remove_groups+0x3c/0x78 [ 422.840259][ T4395] __kobject_del+0x34/0x134 [ 422.841189][ T4395] kobject_del+0x2c/0x4c [ 422.842090][ T4395] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.843290][ T4395] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.844504][ T4395] nbd_start_device+0xc4/0x510 [ 422.845530][ T4395] nbd_ioctl+0x228/0x66c [ 422.846397][ T4395] blkdev_ioctl+0x218/0x664 [ 422.847299][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 422.848343][ T4395] invoke_syscall+0x64/0x178 [ 422.849406][ T4395] el0_svc_common+0xb8/0x174 [ 422.850366][ T4395] do_el0_svc+0x48/0x174 [ 422.851271][ T4395] el0_svc+0x34/0x110 [ 422.852106][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 422.853233][ T4395] el0t_64_sync+0x18c/0x190 [ 422.854279][ T4395] ---[ end trace 0000000000000000 ]--- [ 422.855483][ T4395] ------------[ cut here ]------------ [ 422.856691][ T4395] kernfs: can not remove 'nr_reserved_tags', no directory [ 422.858329][ T4395] WARNING: CPU: 1 PID: 4395 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.860455][ T4395] Modules linked in: [ 422.861213][ T4395] CPU: 1 PID: 4395 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 422.863185][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.865263][ T4395] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.866811][ T4395] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.868082][ T4395] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.869424][ T4395] sp : ffff80000df6bac0 [ 422.870326][ T4395] x29: ffff80000df6bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 422.871976][ T4395] x26: ffff0000c64a2508 x25: ffff80000df6bbe8 x24: ffff0000c88f9d00 [ 422.873671][ T4395] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 422.875355][ T4395] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.876987][ T4395] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 422.878656][ T4395] x14: 0000000000000000 x13: 205d353933345420 x12: ffff80000d1c5000 [ 422.880496][ T4395] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 72ff60496664de00 [ 422.882181][ T4395] x8 : 72ff60496664de00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 422.883974][ T4395] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.885695][ T4395] x2 : ffff0001fe9ebba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.887354][ T4395] Call trace: [ 422.888050][ T4395] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.889118][ T4395] sysfs_remove_group+0x68/0x160 [ 422.890140][ T4395] sysfs_remove_groups+0x3c/0x78 [ 422.891184][ T4395] __kobject_del+0x34/0x134 [ 422.892094][ T4395] kobject_del+0x2c/0x4c [ 422.892938][ T4395] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.894251][ T4395] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.895415][ T4395] nbd_start_device+0xc4/0x510 [ 422.896571][ T4395] nbd_ioctl+0x228/0x66c [ 422.897416][ T4395] blkdev_ioctl+0x218/0x664 [ 422.898429][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 422.899388][ T4395] invoke_syscall+0x64/0x178 [ 422.900291][ T4395] el0_svc_common+0xb8/0x174 [ 422.901247][ T4395] do_el0_svc+0x48/0x174 [ 422.902189][ T4395] el0_svc+0x34/0x110 [ 422.902961][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 422.904007][ T4395] el0t_64_sync+0x18c/0x190 [ 422.904887][ T4395] ---[ end trace 0000000000000000 ]--- [ 422.906046][ T4395] ------------[ cut here ]------------ [ 422.907216][ T4395] kernfs: can not remove 'cpu_list', no directory [ 422.908842][ T4395] WARNING: CPU: 1 PID: 4395 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.910808][ T4395] Modules linked in: [ 422.911560][ T4395] CPU: 1 PID: 4395 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 422.913687][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.915762][ T4395] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.917386][ T4395] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.918638][ T4395] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.919820][ T4395] sp : ffff80000df6bac0 [ 422.920673][ T4395] x29: ffff80000df6bac0 x28: ffff80000bd08000 x27: ffff0000c64a2508 [ 422.922298][ T4395] x26: ffff0000c64a2508 x25: ffff80000df6bbe8 x24: ffff0000c88f9d00 [ 422.923947][ T4395] x23: ffff0000c6790000 x22: 0000000000000000 x21: 0000000000000000 [ 422.925580][ T4395] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.927304][ T4395] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 422.928833][ T4395] x14: 0000000000000000 x13: 205d353933345420 x12: ffff80000d1c5000 [ 422.930450][ T4395] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 72ff60496664de00 [ 422.932063][ T4395] x8 : 72ff60496664de00 x7 : 0000000000000000 x6 : ffff80000ae37b44 [ 422.933877][ T4395] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.935637][ T4395] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.937348][ T4395] Call trace: [ 422.937998][ T4395] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.939167][ T4395] sysfs_remove_group+0x68/0x160 [ 422.940289][ T4395] sysfs_remove_groups+0x3c/0x78 [ 422.941297][ T4395] __kobject_del+0x34/0x134 [ 422.942170][ T4395] kobject_del+0x2c/0x4c [ 422.942983][ T4395] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.944260][ T4395] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.945580][ T4395] nbd_start_device+0xc4/0x510 [ 422.946546][ T4395] nbd_ioctl+0x228/0x66c [ 422.947529][ T4395] blkdev_ioctl+0x218/0x664 [ 422.948517][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 422.949636][ T4395] invoke_syscall+0x64/0x178 [ 422.950567][ T4395] el0_svc_common+0xb8/0x174 [ 422.951505][ T4395] do_el0_svc+0x48/0x174 [ 422.952422][ T4395] el0_svc+0x34/0x110 [ 422.953356][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 422.954335][ T4395] el0t_64_sync+0x18c/0x190 [ 422.955291][ T4395] ---[ end trace 0000000000000000 ]--- [ 422.965130][ T4395] block nbd0: shutting down sockets [ 423.053839][ T4397] FAULT_INJECTION: forcing a failure. [ 423.053839][ T4397] name failslab, interval 1, probability 0, space 0, times 0 [ 423.056549][ T4397] CPU: 1 PID: 4397 Comm: syz-executor802 Tainted: G W 6.1.114-syzkaller #0 [ 423.058628][ T4397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.060619][ T4397] Call trace: [ 423.061369][ T4397] dump_backtrace+0x1c8/0x1f4 [ 423.062431][ T4397] show_stack+0x2c/0x3c [ 423.063275][ T4397] dump_stack_lvl+0xc0/0x104 [ 423.064239][ T4397] dump_stack+0x1c/0x50 [ 423.065072][ T4397] should_fail_ex+0x1bc/0x1e0 [ 423.066073][ T4397] __should_failslab+0x64/0x78 [ 423.067101][ T4397] should_failslab+0x10/0x28 [ 423.068101][ T4397] slab_pre_alloc_hook+0x54/0x1f4 [ 423.069197][ T4397] kmem_cache_alloc_lru+0x60/0x2ac [ 423.070242][ T4397] alloc_inode+0x7c/0x104 [ 423.071099][ T4397] new_inode+0x2c/0xc0 [ 423.071990][ T4397] debugfs_create_dir+0x98/0x1e0 [ 423.073177][ T4397] nbd_start_device+0x1b4/0x510 [ 423.074188][ T4397] nbd_ioctl+0x228/0x66c [ 423.075095][ T4397] blkdev_ioctl+0x218/0x664 [ 423.076074][ T4397] __arm64_sys_ioctl+0xd0/0x148 [ 423.077148][ T4397] invoke_syscall+0x64/0x178 [ 423.078228][ T4397] el0_svc_common+0xb8/0x174 [ 423.079178][ T4397] do_el0_svc+0x48/0x174 [ 423.080232][ T4397] el0_svc+0x34/0x110 [ 423.081109][ T4397] el0t_64_sync_handler+0x84/0xf0 [ 423.082185][ T4397] el0t_64_sync+0x18c/0x190 [ 423.083166][ T4397] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.084772][ T4397] block nbd0: Failed to create debugfs dir for 'nbd0'