[ 396.570766][ T43] block nbd0: Receive control failed (result -32) [ 396.570776][ T3162] block nbd0: Receive control failed (result -32) [ 396.572759][ T4210] block nbd0: shutting down sockets [ 396.734999][ T4215] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 397.414614][ T43] block nbd0: Receive control failed (result -32) [ 397.414622][ T4215] block nbd0: shutting down sockets [ 397.545134][ T4217] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 398.256421][ T3162] block nbd0: Receive control failed (result -32) [ 398.256430][ T43] block nbd0: Receive control failed (result -32) [ 398.258571][ T4217] block nbd0: shutting down sockets [ 398.373252][ T4220] block nbd0: Device being setup by another task [ 398.374933][ T4219] FAULT_INJECTION: forcing a failure. [ 398.374933][ T4219] name failslab, interval 1, probability 0, space 0, times 0 [ 398.378331][ T4219] CPU: 0 PID: 4219 Comm: syz-executor.0 Not tainted 6.1.92-syzkaller #0 [ 398.380568][ T4219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 398.383075][ T4219] Call trace: [ 398.383881][ T4219] dump_backtrace+0x1c8/0x1f4 [ 398.385078][ T4219] show_stack+0x2c/0x3c [ 398.386123][ T4219] dump_stack_lvl+0xc0/0x104 [ 398.387305][ T4219] dump_stack+0x1c/0x4c [ 398.388406][ T4219] should_fail_ex+0x1bc/0x1e0 [ 398.389608][ T4219] __should_failslab+0x64/0x78 [ 398.390800][ T4219] should_failslab+0x10/0x28 [ 398.391952][ T4219] slab_pre_alloc_hook+0x54/0x1f4 [ 398.393257][ T4219] kmem_cache_alloc_lru+0x60/0x2ac [ 398.394581][ T4219] alloc_inode+0x7c/0x104 [ 398.395710][ T4219] new_inode+0x2c/0xc0 [ 398.396756][ T4219] debugfs_create_dir+0x98/0x1e0 [ 398.398042][ T4219] nbd_start_device+0x1b4/0x510 [ 398.399349][ T4219] nbd_ioctl+0x228/0x66c [ 398.400434][ T4219] blkdev_ioctl+0x218/0x664 [ 398.401540][ T4219] __arm64_sys_ioctl+0xd0/0x148 [ 398.402743][ T4219] invoke_syscall+0x64/0x178 [ 398.404037][ T4219] el0_svc_common+0xb8/0x174 [ 398.405210][ T4219] do_el0_svc+0x48/0x174 [ 398.406309][ T4219] el0_svc+0x34/0x110 [ 398.407316][ T4219] el0t_64_sync_handler+0x84/0xf0 [ 398.408612][ T4219] el0t_64_sync+0x18c/0x190 [ 398.409805][ T4219] debugfs: out of free dentries, can not create directory 'nbd0' [ 398.411760][ T4219] block nbd0: Failed to create debugfs dir for 'nbd0' [ 399.100430][ T43] block nbd0: Receive control failed (result -32) [ 399.100617][ T4219] block nbd0: shutting down sockets [ 399.244480][ T4222] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 399.942535][ T3162] block nbd0: Receive control failed (result -32) [ 399.942583][ T4222] block nbd0: shutting down sockets [ 400.075484][ T4224] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 400.785119][ T3162] block nbd0: Receive control failed (result -32) [ 400.785203][ T4224] block nbd0: shutting down sockets [ 401.074292][ T4071] device bridge_slave_1 left promiscuous mode [ 401.075939][ T4071] bridge0: port 2(bridge_slave_1) entered disabled state [ 401.113632][ T4071] device bridge_slave_0 left promiscuous mode [ 401.115291][ T4071] bridge0: port 1(bridge_slave_0) entered disabled state [ 401.163832][ T4071] device veth0_macvtap left promiscuous mode [ 401.165384][ T4071] device veth1_vlan left promiscuous mode [ 401.166893][ T4071] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts. [ 401.875514][ T4232] FAULT_INJECTION: forcing a failure. [ 401.875514][ T4232] name failslab, interval 1, probability 0, space 0, times 0 [ 401.878906][ T4232] CPU: 1 PID: 4232 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 401.881033][ T4232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 401.883781][ T4232] Call trace: [ 401.884622][ T4232] dump_backtrace+0x1c8/0x1f4 [ 401.885848][ T4232] show_stack+0x2c/0x3c [ 401.886916][ T4232] dump_stack_lvl+0xc0/0x104 [ 401.888139][ T4232] dump_stack+0x1c/0x4c [ 401.889171][ T4232] should_fail_ex+0x1bc/0x1e0 [ 401.890402][ T4232] __should_failslab+0x64/0x78 [ 401.891624][ T4232] should_failslab+0x10/0x28 [ 401.892801][ T4232] __kmem_cache_alloc_node+0x6c/0x348 [ 401.894250][ T4232] __kmalloc+0x98/0xd8 [ 401.895322][ T4232] tomoyo_supervisor+0x700/0x888 [ 401.896538][ T4232] tomoyo_path_number_perm+0x200/0x2a8 [ 401.897977][ T4232] tomoyo_file_ioctl+0x2c/0x3c [ 401.899186][ T4232] security_file_ioctl+0x4c/0x8c [ 401.900418][ T4232] __arm64_sys_ioctl+0x5c/0x148 [ 401.901649][ T4232] invoke_syscall+0x64/0x178 [ 401.902786][ T4232] el0_svc_common+0xb8/0x174 [ 401.903966][ T4232] do_el0_svc+0x48/0x174 [ 401.905039][ T4232] el0_svc+0x34/0x110 [ 401.906065][ T4232] el0t_64_sync_handler+0x84/0xf0 [ 401.907480][ T4232] el0t_64_sync+0x18c/0x190 [ 401.913255][ T4233] block nbd0: Device being setup by another task [ 402.035024][ T4232] block nbd0: shutting down sockets [ 402.145503][ T4235] FAULT_INJECTION: forcing a failure. [ 402.145503][ T4235] name failslab, interval 1, probability 0, space 0, times 0 [ 402.148888][ T4235] CPU: 1 PID: 4235 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 402.151077][ T4235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 402.153629][ T4235] Call trace: [ 402.154419][ T4235] dump_backtrace+0x1c8/0x1f4 [ 402.155626][ T4235] show_stack+0x2c/0x3c [ 402.156666][ T4235] dump_stack_lvl+0xc0/0x104 [ 402.157906][ T4235] dump_stack+0x1c/0x4c [ 402.158959][ T4235] should_fail_ex+0x1bc/0x1e0 [ 402.160143][ T4235] __should_failslab+0x64/0x78 [ 402.161384][ T4235] should_failslab+0x10/0x28 [ 402.162578][ T4235] __kmem_cache_alloc_node+0x6c/0x348 [ 402.163962][ T4235] __kmalloc+0x98/0xd8 [ 402.165063][ T4235] tomoyo_supervisor+0x700/0x888 [ 402.166316][ T4235] tomoyo_path_number_perm+0x200/0x2a8 [ 402.167706][ T4235] tomoyo_file_ioctl+0x2c/0x3c [ 402.168892][ T4235] security_file_ioctl+0x4c/0x8c [ 402.170213][ T4235] __arm64_sys_ioctl+0x5c/0x148 [ 402.171515][ T4235] invoke_syscall+0x64/0x178 [ 402.172720][ T4235] el0_svc_common+0xb8/0x174 [ 402.173218][ T4236] block nbd0: Device being setup by another task [ 402.173958][ T4235] do_el0_svc+0x48/0x174 [ 402.176616][ T4235] el0_svc+0x34/0x110 [ 402.177681][ T4235] el0t_64_sync_handler+0x84/0xf0 [ 402.179088][ T4235] el0t_64_sync+0x18c/0x190 [ 402.305194][ T4235] block nbd0: shutting down sockets [ 402.415522][ T4238] FAULT_INJECTION: forcing a failure. [ 402.415522][ T4238] name failslab, interval 1, probability 0, space 0, times 0 [ 402.418836][ T4238] CPU: 1 PID: 4238 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 402.421032][ T4238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 402.423607][ T4238] Call trace: [ 402.424405][ T4238] dump_backtrace+0x1c8/0x1f4 [ 402.425599][ T4238] show_stack+0x2c/0x3c [ 402.426698][ T4238] dump_stack_lvl+0xc0/0x104 [ 402.427905][ T4238] dump_stack+0x1c/0x4c [ 402.428969][ T4238] should_fail_ex+0x1bc/0x1e0 [ 402.430192][ T4238] __should_failslab+0x64/0x78 [ 402.431497][ T4238] should_failslab+0x10/0x28 [ 402.432682][ T4238] __kmem_cache_alloc_node+0x6c/0x348 [ 402.434063][ T4238] __kmalloc+0x98/0xd8 [ 402.435086][ T4238] tomoyo_supervisor+0x700/0x888 [ 402.436354][ T4238] tomoyo_path_number_perm+0x200/0x2a8 [ 402.437702][ T4238] tomoyo_file_ioctl+0x2c/0x3c [ 402.438922][ T4238] security_file_ioctl+0x4c/0x8c [ 402.440208][ T4238] __arm64_sys_ioctl+0x5c/0x148 [ 402.441451][ T4238] invoke_syscall+0x64/0x178 [ 402.442552][ T4238] el0_svc_common+0xb8/0x174 [ 402.443218][ T4239] block nbd0: Device being setup by another task [ 402.443716][ T4238] do_el0_svc+0x48/0x174 [ 402.446605][ T4238] el0_svc+0x34/0x110 [ 402.447563][ T4238] el0t_64_sync_handler+0x84/0xf0 [ 402.448785][ T4238] el0t_64_sync+0x18c/0x190 [ 402.574211][ T4238] block nbd0: shutting down sockets [ 402.653612][ T4241] FAULT_INJECTION: forcing a failure. [ 402.653612][ T4241] name failslab, interval 1, probability 0, space 0, times 0 [ 402.656848][ T4241] CPU: 1 PID: 4241 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 402.659046][ T4241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 402.661593][ T4241] Call trace: [ 402.662411][ T4241] dump_backtrace+0x1c8/0x1f4 [ 402.663644][ T4241] show_stack+0x2c/0x3c [ 402.664714][ T4241] dump_stack_lvl+0xc0/0x104 [ 402.666016][ T4241] dump_stack+0x1c/0x4c [ 402.667091][ T4241] should_fail_ex+0x1bc/0x1e0 [ 402.668321][ T4241] __should_failslab+0x64/0x78 [ 402.669623][ T4241] should_failslab+0x10/0x28 [ 402.670815][ T4241] __kmem_cache_alloc_node+0x6c/0x348 [ 402.672247][ T4241] __kmalloc+0x98/0xd8 [ 402.673313][ T4241] tomoyo_supervisor+0x700/0x888 [ 402.674586][ T4241] tomoyo_path_number_perm+0x200/0x2a8 [ 402.675970][ T4241] tomoyo_file_ioctl+0x2c/0x3c [ 402.677211][ T4241] security_file_ioctl+0x4c/0x8c [ 402.678533][ T4241] __arm64_sys_ioctl+0x5c/0x148 [ 402.679793][ T4241] invoke_syscall+0x64/0x178 [ 402.680970][ T4241] el0_svc_common+0xb8/0x174 [ 402.682193][ T4241] do_el0_svc+0x48/0x174 [ 402.683306][ T4241] el0_svc+0x34/0x110 [ 402.684334][ T4241] el0t_64_sync_handler+0x84/0xf0 [ 402.685637][ T4241] el0t_64_sync+0x18c/0x190 [ 402.811874][ T4241] block nbd0: shutting down sockets [ 402.922496][ T4243] FAULT_INJECTION: forcing a failure. [ 402.922496][ T4243] name failslab, interval 1, probability 0, space 0, times 0 [ 402.925957][ T4243] CPU: 0 PID: 4243 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 402.928170][ T4243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 402.930763][ T4243] Call trace: [ 402.931555][ T4243] dump_backtrace+0x1c8/0x1f4 [ 402.932830][ T4243] show_stack+0x2c/0x3c [ 402.933225][ T4244] block nbd0: Device being setup by another task [ 402.933916][ T4243] dump_stack_lvl+0xc0/0x104 [ 402.936799][ T4243] dump_stack+0x1c/0x4c [ 402.938003][ T4243] should_fail_ex+0x1bc/0x1e0 [ 402.939270][ T4243] __should_failslab+0x64/0x78 [ 402.940469][ T4243] should_failslab+0x10/0x28 [ 402.941676][ T4243] __kmem_cache_alloc_node+0x6c/0x348 [ 402.943087][ T4243] __kmalloc+0x98/0xd8 [ 402.944134][ T4243] tomoyo_supervisor+0x700/0x888 [ 402.945445][ T4243] tomoyo_path_number_perm+0x200/0x2a8 [ 402.946923][ T4243] tomoyo_file_ioctl+0x2c/0x3c [ 402.948188][ T4243] security_file_ioctl+0x4c/0x8c [ 402.949493][ T4243] __arm64_sys_ioctl+0x5c/0x148 [ 402.950755][ T4243] invoke_syscall+0x64/0x178 [ 402.951944][ T4243] el0_svc_common+0xb8/0x174 [ 402.953214][ T4243] do_el0_svc+0x48/0x174 [ 402.954309][ T4243] el0_svc+0x34/0x110 [ 402.955342][ T4243] el0t_64_sync_handler+0x84/0xf0 [ 402.956595][ T4243] el0t_64_sync+0x18c/0x190 [ 403.081234][ T4243] block nbd0: shutting down sockets [ 403.190524][ T4246] FAULT_INJECTION: forcing a failure. [ 403.190524][ T4246] name failslab, interval 1, probability 0, space 0, times 0 [ 403.193881][ T4246] CPU: 0 PID: 4246 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 403.196067][ T4246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 403.198617][ T4246] Call trace: [ 403.199497][ T4246] dump_backtrace+0x1c8/0x1f4 [ 403.200780][ T4246] show_stack+0x2c/0x3c [ 403.201912][ T4246] dump_stack_lvl+0xc0/0x104 [ 403.203078][ T4246] dump_stack+0x1c/0x4c [ 403.204172][ T4246] should_fail_ex+0x1bc/0x1e0 [ 403.205462][ T4246] __should_failslab+0x64/0x78 [ 403.206762][ T4246] should_failslab+0x10/0x28 [ 403.208015][ T4246] __kmem_cache_alloc_node+0x6c/0x348 [ 403.209454][ T4246] __kmalloc+0x98/0xd8 [ 403.210531][ T4246] tomoyo_supervisor+0x700/0x888 [ 403.211800][ T4246] tomoyo_path_number_perm+0x200/0x2a8 [ 403.213261][ T4246] tomoyo_file_ioctl+0x2c/0x3c [ 403.214499][ T4246] security_file_ioctl+0x4c/0x8c [ 403.215866][ T4246] __arm64_sys_ioctl+0x5c/0x148 [ 403.217140][ T4246] invoke_syscall+0x64/0x178 [ 403.218359][ T4246] el0_svc_common+0xb8/0x174 [ 403.219570][ T4246] do_el0_svc+0x48/0x174 [ 403.220695][ T4246] el0_svc+0x34/0x110 [ 403.221677][ T4246] el0t_64_sync_handler+0x84/0xf0 [ 403.222998][ T4246] el0t_64_sync+0x18c/0x190 [ 403.224230][ T4247] block nbd0: Device being setup by another task [ 403.349261][ T4246] block nbd0: shutting down sockets [ 403.433590][ T4249] FAULT_INJECTION: forcing a failure. [ 403.433590][ T4249] name failslab, interval 1, probability 0, space 0, times 0 [ 403.436925][ T4249] CPU: 0 PID: 4249 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 403.439044][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 403.441671][ T4249] Call trace: [ 403.442455][ T4249] dump_backtrace+0x1c8/0x1f4 [ 403.443633][ T4249] show_stack+0x2c/0x3c [ 403.444799][ T4249] dump_stack_lvl+0xc0/0x104 [ 403.445969][ T4249] dump_stack+0x1c/0x4c [ 403.447030][ T4249] should_fail_ex+0x1bc/0x1e0 [ 403.448217][ T4249] __should_failslab+0x64/0x78 [ 403.449506][ T4249] should_failslab+0x10/0x28 [ 403.450700][ T4249] __kmem_cache_alloc_node+0x6c/0x348 [ 403.452057][ T4249] __kmalloc+0x98/0xd8 [ 403.453093][ T4249] tomoyo_supervisor+0x700/0x888 [ 403.454357][ T4249] tomoyo_path_number_perm+0x200/0x2a8 [ 403.455916][ T4249] tomoyo_file_ioctl+0x2c/0x3c [ 403.457118][ T4249] security_file_ioctl+0x4c/0x8c [ 403.458336][ T4249] __arm64_sys_ioctl+0x5c/0x148 [ 403.459502][ T4249] invoke_syscall+0x64/0x178 [ 403.460611][ T4249] el0_svc_common+0xb8/0x174 [ 403.461783][ T4249] do_el0_svc+0x48/0x174 [ 403.462840][ T4249] el0_svc+0x34/0x110 [ 403.463911][ T4249] el0t_64_sync_handler+0x84/0xf0 [ 403.465232][ T4249] el0t_64_sync+0x18c/0x190 [ 403.592290][ T4249] block nbd0: shutting down sockets [ 403.673588][ T4251] FAULT_INJECTION: forcing a failure. [ 403.673588][ T4251] name failslab, interval 1, probability 0, space 0, times 0 [ 403.676807][ T4251] CPU: 0 PID: 4251 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 403.679058][ T4251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 403.681581][ T4251] Call trace: [ 403.682367][ T4251] dump_backtrace+0x1c8/0x1f4 [ 403.683558][ T4251] show_stack+0x2c/0x3c [ 403.684671][ T4251] dump_stack_lvl+0xc0/0x104 [ 403.685830][ T4251] dump_stack+0x1c/0x4c [ 403.686932][ T4251] should_fail_ex+0x1bc/0x1e0 [ 403.688112][ T4251] __should_failslab+0x64/0x78 [ 403.689408][ T4251] should_failslab+0x10/0x28 [ 403.690591][ T4251] __kmem_cache_alloc_node+0x6c/0x348 [ 403.692120][ T4251] __kmalloc+0x98/0xd8 [ 403.693194][ T4251] tomoyo_supervisor+0x700/0x888 [ 403.694478][ T4251] tomoyo_path_number_perm+0x200/0x2a8 [ 403.695878][ T4251] tomoyo_file_ioctl+0x2c/0x3c [ 403.697165][ T4251] security_file_ioctl+0x4c/0x8c [ 403.698460][ T4251] __arm64_sys_ioctl+0x5c/0x148 [ 403.699750][ T4251] invoke_syscall+0x64/0x178 [ 403.700956][ T4251] el0_svc_common+0xb8/0x174 [ 403.702602][ T4251] do_el0_svc+0x48/0x174 [ 403.703730][ T4251] el0_svc+0x34/0x110 [ 403.704814][ T4251] el0t_64_sync_handler+0x84/0xf0 [ 403.706114][ T4251] el0t_64_sync+0x18c/0x190 [ 403.831896][ T4251] block nbd0: shutting down sockets [ 403.942514][ T4253] FAULT_INJECTION: forcing a failure. [ 403.942514][ T4253] name failslab, interval 1, probability 0, space 0, times 0 [ 403.945836][ T4253] CPU: 0 PID: 4253 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 403.947913][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 403.950471][ T4253] Call trace: [ 403.951339][ T4253] dump_backtrace+0x1c8/0x1f4 [ 403.952505][ T4253] show_stack+0x2c/0x3c [ 403.953636][ T4253] dump_stack_lvl+0xc0/0x104 [ 403.954833][ T4253] dump_stack+0x1c/0x4c [ 403.956003][ T4253] should_fail_ex+0x1bc/0x1e0 [ 403.957233][ T4253] __should_failslab+0x64/0x78 [ 403.958491][ T4253] should_failslab+0x10/0x28 [ 403.959716][ T4253] __kmem_cache_alloc_node+0x6c/0x348 [ 403.961110][ T4253] __kmalloc+0x98/0xd8 [ 403.962117][ T4253] tomoyo_supervisor+0x700/0x888 [ 403.963419][ T4253] tomoyo_path_number_perm+0x200/0x2a8 [ 403.964841][ T4253] tomoyo_file_ioctl+0x2c/0x3c [ 403.966022][ T4253] security_file_ioctl+0x4c/0x8c [ 403.967406][ T4253] __arm64_sys_ioctl+0x5c/0x148 [ 403.968588][ T4253] invoke_syscall+0x64/0x178 [ 403.969750][ T4253] el0_svc_common+0xb8/0x174 [ 403.970889][ T4253] do_el0_svc+0x48/0x174 [ 403.971929][ T4253] el0_svc+0x34/0x110 [ 403.972948][ T4253] el0t_64_sync_handler+0x84/0xf0 [ 403.974275][ T4253] el0t_64_sync+0x18c/0x190 [ 403.975456][ T4254] block nbd0: Device being setup by another task [ 404.100961][ T4253] block nbd0: shutting down sockets [ 404.211524][ T4256] FAULT_INJECTION: forcing a failure. [ 404.211524][ T4256] name failslab, interval 1, probability 0, space 0, times 0 [ 404.214858][ T4256] CPU: 1 PID: 4256 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 404.217147][ T4256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 404.219822][ T4256] Call trace: [ 404.220673][ T4256] dump_backtrace+0x1c8/0x1f4 [ 404.221833][ T4256] show_stack+0x2c/0x3c [ 404.222957][ T4256] dump_stack_lvl+0xc0/0x104 [ 404.224141][ T4256] dump_stack+0x1c/0x4c [ 404.225286][ T4256] should_fail_ex+0x1bc/0x1e0 [ 404.226641][ T4256] __should_failslab+0x64/0x78 [ 404.227927][ T4256] should_failslab+0x10/0x28 [ 404.229159][ T4256] __kmem_cache_alloc_node+0x6c/0x348 [ 404.230606][ T4256] __kmalloc+0x98/0xd8 [ 404.231729][ T4256] tomoyo_supervisor+0x700/0x888 [ 404.233006][ T4256] tomoyo_path_number_perm+0x200/0x2a8 [ 404.234420][ T4256] tomoyo_file_ioctl+0x2c/0x3c [ 404.235614][ T4256] security_file_ioctl+0x4c/0x8c [ 404.236907][ T4256] __arm64_sys_ioctl+0x5c/0x148 [ 404.238135][ T4256] invoke_syscall+0x64/0x178 [ 404.239359][ T4256] el0_svc_common+0xb8/0x174 [ 404.240594][ T4256] do_el0_svc+0x48/0x174 [ 404.241654][ T4256] el0_svc+0x34/0x110 [ 404.242726][ T4256] el0t_64_sync_handler+0x84/0xf0 [ 404.244047][ T4256] el0t_64_sync+0x18c/0x190 [ 404.273216][ T4257] block nbd0: Device being setup by another task [ 404.371065][ T4256] block nbd0: shutting down sockets [ 404.463549][ T4259] FAULT_INJECTION: forcing a failure. [ 404.463549][ T4259] name failslab, interval 1, probability 0, space 0, times 0 [ 404.466791][ T4259] CPU: 1 PID: 4259 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 404.468949][ T4259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 404.471541][ T4259] Call trace: [ 404.472375][ T4259] dump_backtrace+0x1c8/0x1f4 [ 404.473582][ T4259] show_stack+0x2c/0x3c [ 404.474662][ T4259] dump_stack_lvl+0xc0/0x104 [ 404.475875][ T4259] dump_stack+0x1c/0x4c [ 404.476987][ T4259] should_fail_ex+0x1bc/0x1e0 [ 404.478175][ T4259] __should_failslab+0x64/0x78 [ 404.479441][ T4259] should_failslab+0x10/0x28 [ 404.480627][ T4259] __kmem_cache_alloc_node+0x6c/0x348 [ 404.481991][ T4259] __kmalloc+0x98/0xd8 [ 404.483044][ T4259] tomoyo_supervisor+0x700/0x888 [ 404.484329][ T4259] tomoyo_path_number_perm+0x200/0x2a8 [ 404.485769][ T4259] tomoyo_file_ioctl+0x2c/0x3c [ 404.487037][ T4259] security_file_ioctl+0x4c/0x8c [ 404.488296][ T4259] __arm64_sys_ioctl+0x5c/0x148 [ 404.489559][ T4259] invoke_syscall+0x64/0x178 [ 404.490801][ T4259] el0_svc_common+0xb8/0x174 [ 404.492017][ T4259] do_el0_svc+0x48/0x174 [ 404.493135][ T4259] el0_svc+0x34/0x110 [ 404.494153][ T4259] el0t_64_sync_handler+0x84/0xf0 [ 404.495521][ T4259] el0t_64_sync+0x18c/0x190 [ 404.622377][ T4259] block nbd0: shutting down sockets [ 404.693571][ T4261] FAULT_INJECTION: forcing a failure. [ 404.693571][ T4261] name failslab, interval 1, probability 0, space 0, times 0 [ 404.696875][ T4261] CPU: 0 PID: 4261 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 404.699054][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 404.701741][ T4261] Call trace: [ 404.702621][ T4261] dump_backtrace+0x1c8/0x1f4 [ 404.703842][ T4261] show_stack+0x2c/0x3c [ 404.704902][ T4261] dump_stack_lvl+0xc0/0x104 [ 404.706017][ T4261] dump_stack+0x1c/0x4c [ 404.707016][ T4261] should_fail_ex+0x1bc/0x1e0 [ 404.708159][ T4261] __should_failslab+0x64/0x78 [ 404.709420][ T4261] should_failslab+0x10/0x28 [ 404.710635][ T4261] __kmem_cache_alloc_node+0x6c/0x348 [ 404.712011][ T4261] __kmalloc+0x98/0xd8 [ 404.713002][ T4261] tomoyo_supervisor+0x700/0x888 [ 404.714382][ T4261] tomoyo_path_number_perm+0x200/0x2a8 [ 404.715790][ T4261] tomoyo_file_ioctl+0x2c/0x3c [ 404.717049][ T4261] security_file_ioctl+0x4c/0x8c [ 404.718315][ T4261] __arm64_sys_ioctl+0x5c/0x148 [ 404.719644][ T4261] invoke_syscall+0x64/0x178 [ 404.720856][ T4261] el0_svc_common+0xb8/0x174 [ 404.722073][ T4261] do_el0_svc+0x48/0x174 [ 404.723222][ T4261] el0_svc+0x34/0x110 [ 404.724301][ T4261] el0t_64_sync_handler+0x84/0xf0 [ 404.725599][ T4261] el0t_64_sync+0x18c/0x190 [ 404.852607][ T4261] block nbd0: shutting down sockets [ 404.963229][ T4264] block nbd0: Device being setup by another task [ 404.963541][ T4263] FAULT_INJECTION: forcing a failure. [ 404.963541][ T4263] name failslab, interval 1, probability 0, space 0, times 0 [ 404.968336][ T4263] CPU: 0 PID: 4263 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 404.970567][ T4263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 404.973320][ T4263] Call trace: [ 404.974182][ T4263] dump_backtrace+0x1c8/0x1f4 [ 404.975453][ T4263] show_stack+0x2c/0x3c [ 404.976595][ T4263] dump_stack_lvl+0xc0/0x104 [ 404.977839][ T4263] dump_stack+0x1c/0x4c [ 404.979008][ T4263] should_fail_ex+0x1bc/0x1e0 [ 404.980227][ T4263] __should_failslab+0x64/0x78 [ 404.981454][ T4263] should_failslab+0x10/0x28 [ 404.982622][ T4263] __kmem_cache_alloc_node+0x6c/0x348 [ 404.984031][ T4263] __kmalloc+0x98/0xd8 [ 404.985075][ T4263] tomoyo_supervisor+0x700/0x888 [ 404.986437][ T4263] tomoyo_path_number_perm+0x200/0x2a8 [ 404.987815][ T4263] tomoyo_file_ioctl+0x2c/0x3c [ 404.989094][ T4263] security_file_ioctl+0x4c/0x8c [ 404.990404][ T4263] __arm64_sys_ioctl+0x5c/0x148 [ 404.991699][ T4263] invoke_syscall+0x64/0x178 [ 404.992860][ T4263] el0_svc_common+0xb8/0x174 [ 404.994021][ T4263] do_el0_svc+0x48/0x174 [ 404.995099][ T4263] el0_svc+0x34/0x110 [ 404.996222][ T4263] el0t_64_sync_handler+0x84/0xf0 [ 404.997540][ T4263] el0t_64_sync+0x18c/0x190 [ 405.122294][ T4263] block nbd0: shutting down sockets [ 405.214734][ T4267] FAULT_INJECTION: forcing a failure. [ 405.214734][ T4267] name failslab, interval 1, probability 0, space 0, times 0 [ 405.217960][ T4267] CPU: 0 PID: 4267 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 405.220188][ T4267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 405.222782][ T4267] Call trace: [ 405.223607][ T4267] dump_backtrace+0x1c8/0x1f4 [ 405.224815][ T4267] show_stack+0x2c/0x3c [ 405.225927][ T4267] dump_stack_lvl+0xc0/0x104 [ 405.227212][ T4267] dump_stack+0x1c/0x4c [ 405.228311][ T4267] should_fail_ex+0x1bc/0x1e0 [ 405.229844][ T4267] __should_failslab+0x64/0x78 [ 405.231042][ T4267] should_failslab+0x10/0x28 [ 405.232210][ T4267] __kmem_cache_alloc_node+0x6c/0x348 [ 405.233528][ T4267] __kmalloc+0x98/0xd8 [ 405.234557][ T4267] tomoyo_supervisor+0x700/0x888 [ 405.235880][ T4267] tomoyo_path_number_perm+0x200/0x2a8 [ 405.237279][ T4267] tomoyo_file_ioctl+0x2c/0x3c [ 405.238540][ T4267] security_file_ioctl+0x4c/0x8c [ 405.239855][ T4267] __arm64_sys_ioctl+0x5c/0x148 [ 405.241082][ T4267] invoke_syscall+0x64/0x178 [ 405.242295][ T4267] el0_svc_common+0xb8/0x174 [ 405.243522][ T4267] do_el0_svc+0x48/0x174 [ 405.244613][ T4267] el0_svc+0x34/0x110 [ 405.245678][ T4267] el0t_64_sync_handler+0x84/0xf0 [ 405.247000][ T4267] el0t_64_sync+0x18c/0x190 [ 405.373474][ T4267] block nbd0: shutting down sockets [ 405.474669][ T4270] FAULT_INJECTION: forcing a failure. [ 405.474669][ T4270] name failslab, interval 1, probability 0, space 0, times 0 [ 405.478116][ T4270] CPU: 1 PID: 4270 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 405.480299][ T4270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 405.482860][ T4270] Call trace: [ 405.483640][ T4270] dump_backtrace+0x1c8/0x1f4 [ 405.484913][ T4270] show_stack+0x2c/0x3c [ 405.486021][ T4270] dump_stack_lvl+0xc0/0x104 [ 405.487200][ T4270] dump_stack+0x1c/0x4c [ 405.488279][ T4270] should_fail_ex+0x1bc/0x1e0 [ 405.489503][ T4270] __should_failslab+0x64/0x78 [ 405.490776][ T4270] should_failslab+0x10/0x28 [ 405.491960][ T4270] __kmem_cache_alloc_node+0x6c/0x348 [ 405.493429][ T4270] __kmalloc+0x98/0xd8 [ 405.494483][ T4270] tomoyo_supervisor+0x700/0x888 [ 405.495796][ T4270] tomoyo_path_number_perm+0x200/0x2a8 [ 405.497146][ T4270] tomoyo_file_ioctl+0x2c/0x3c [ 405.498431][ T4270] security_file_ioctl+0x4c/0x8c [ 405.499778][ T4270] __arm64_sys_ioctl+0x5c/0x148 [ 405.501062][ T4270] invoke_syscall+0x64/0x178 [ 405.502283][ T4270] el0_svc_common+0xb8/0x174 [ 405.503494][ T4270] do_el0_svc+0x48/0x174 [ 405.504645][ T4270] el0_svc+0x34/0x110 [ 405.505695][ T4270] el0t_64_sync_handler+0x84/0xf0 [ 405.507008][ T4270] el0t_64_sync+0x18c/0x190 [ 405.633228][ T4270] block nbd0: shutting down sockets [ 405.723587][ T4272] FAULT_INJECTION: forcing a failure. [ 405.723587][ T4272] name failslab, interval 1, probability 0, space 0, times 0 [ 405.726898][ T4272] CPU: 1 PID: 4272 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 405.729096][ T4272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 405.731597][ T4272] Call trace: [ 405.732411][ T4272] dump_backtrace+0x1c8/0x1f4 [ 405.733694][ T4272] show_stack+0x2c/0x3c [ 405.734809][ T4272] dump_stack_lvl+0xc0/0x104 [ 405.735956][ T4272] dump_stack+0x1c/0x4c [ 405.737027][ T4272] should_fail_ex+0x1bc/0x1e0 [ 405.738176][ T4272] __should_failslab+0x64/0x78 [ 405.739416][ T4272] should_failslab+0x10/0x28 [ 405.740595][ T4272] __kmem_cache_alloc_node+0x6c/0x348 [ 405.741996][ T4272] __kmalloc+0x98/0xd8 [ 405.743043][ T4272] tomoyo_supervisor+0x700/0x888 [ 405.744405][ T4272] tomoyo_path_number_perm+0x200/0x2a8 [ 405.745845][ T4272] tomoyo_file_ioctl+0x2c/0x3c [ 405.747022][ T4272] security_file_ioctl+0x4c/0x8c [ 405.748227][ T4272] __arm64_sys_ioctl+0x5c/0x148 [ 405.749632][ T4272] invoke_syscall+0x64/0x178 [ 405.750782][ T4272] el0_svc_common+0xb8/0x174 [ 405.752000][ T4272] do_el0_svc+0x48/0x174 [ 405.753088][ T4272] el0_svc+0x34/0x110 [ 405.754094][ T4272] el0t_64_sync_handler+0x84/0xf0 [ 405.755370][ T4272] el0t_64_sync+0x18c/0x190 [ 405.882199][ T4272] block nbd0: shutting down sockets [ 405.963607][ T4274] FAULT_INJECTION: forcing a failure. [ 405.963607][ T4274] name failslab, interval 1, probability 0, space 0, times 0 [ 405.966840][ T4274] CPU: 1 PID: 4274 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 405.969052][ T4274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 405.971653][ T4274] Call trace: [ 405.972482][ T4274] dump_backtrace+0x1c8/0x1f4 [ 405.973721][ T4274] show_stack+0x2c/0x3c [ 405.974812][ T4274] dump_stack_lvl+0xc0/0x104 [ 405.976057][ T4274] dump_stack+0x1c/0x4c [ 405.977092][ T4274] should_fail_ex+0x1bc/0x1e0 [ 405.978321][ T4274] __should_failslab+0x64/0x78 [ 405.979548][ T4274] should_failslab+0x10/0x28 [ 405.980696][ T4274] __kmem_cache_alloc_node+0x6c/0x348 [ 405.982095][ T4274] __kmalloc+0x98/0xd8 [ 405.983149][ T4274] tomoyo_supervisor+0x700/0x888 [ 405.984541][ T4274] tomoyo_path_number_perm+0x200/0x2a8 [ 405.985938][ T4274] tomoyo_file_ioctl+0x2c/0x3c [ 405.987150][ T4274] security_file_ioctl+0x4c/0x8c [ 405.988403][ T4274] __arm64_sys_ioctl+0x5c/0x148 [ 405.989659][ T4274] invoke_syscall+0x64/0x178 [ 405.990828][ T4274] el0_svc_common+0xb8/0x174 [ 405.992033][ T4274] do_el0_svc+0x48/0x174 [ 405.993160][ T4274] el0_svc+0x34/0x110 [ 405.994252][ T4274] el0t_64_sync_handler+0x84/0xf0 [ 405.995589][ T4274] el0t_64_sync+0x18c/0x190 [ 406.122111][ T4274] block nbd0: shutting down sockets [ 406.203551][ T4276] FAULT_INJECTION: forcing a failure. [ 406.203551][ T4276] name failslab, interval 1, probability 0, space 0, times 0 [ 406.206861][ T4276] CPU: 1 PID: 4276 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 406.208955][ T4276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 406.211567][ T4276] Call trace: [ 406.212412][ T4276] dump_backtrace+0x1c8/0x1f4 [ 406.213746][ T4276] show_stack+0x2c/0x3c [ 406.214829][ T4276] dump_stack_lvl+0xc0/0x104 [ 406.216009][ T4276] dump_stack+0x1c/0x4c [ 406.217118][ T4276] should_fail_ex+0x1bc/0x1e0 [ 406.218355][ T4276] __should_failslab+0x64/0x78 [ 406.219589][ T4276] should_failslab+0x10/0x28 [ 406.220798][ T4276] __kmem_cache_alloc_node+0x6c/0x348 [ 406.222201][ T4276] __kmalloc+0x98/0xd8 [ 406.223231][ T4276] tomoyo_supervisor+0x700/0x888 [ 406.224480][ T4276] tomoyo_path_number_perm+0x200/0x2a8 [ 406.225877][ T4276] tomoyo_file_ioctl+0x2c/0x3c [ 406.227170][ T4276] security_file_ioctl+0x4c/0x8c [ 406.228424][ T4276] __arm64_sys_ioctl+0x5c/0x148 [ 406.229609][ T4276] invoke_syscall+0x64/0x178 [ 406.230752][ T4276] el0_svc_common+0xb8/0x174 [ 406.232003][ T4276] do_el0_svc+0x48/0x174 [ 406.233196][ T4276] el0_svc+0x34/0x110 [ 406.234186][ T4276] el0t_64_sync_handler+0x84/0xf0 [ 406.235511][ T4276] el0t_64_sync+0x18c/0x190 [ 406.362285][ T4276] block nbd0: shutting down sockets [ 406.443651][ T4278] FAULT_INJECTION: forcing a failure. [ 406.443651][ T4278] name failslab, interval 1, probability 0, space 0, times 0 [ 406.447035][ T4278] CPU: 1 PID: 4278 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 406.449161][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 406.451918][ T4278] Call trace: [ 406.452783][ T4278] dump_backtrace+0x1c8/0x1f4 [ 406.454017][ T4278] show_stack+0x2c/0x3c [ 406.455106][ T4278] dump_stack_lvl+0xc0/0x104 [ 406.456244][ T4278] dump_stack+0x1c/0x4c [ 406.457323][ T4278] should_fail_ex+0x1bc/0x1e0 [ 406.458548][ T4278] __should_failslab+0x64/0x78 [ 406.459775][ T4278] should_failslab+0x10/0x28 [ 406.460951][ T4278] __kmem_cache_alloc_node+0x6c/0x348 [ 406.462293][ T4278] __kmalloc+0x98/0xd8 [ 406.463386][ T4278] tomoyo_supervisor+0x700/0x888 [ 406.464676][ T4278] tomoyo_path_number_perm+0x200/0x2a8 [ 406.466102][ T4278] tomoyo_file_ioctl+0x2c/0x3c [ 406.467309][ T4278] security_file_ioctl+0x4c/0x8c [ 406.468546][ T4278] __arm64_sys_ioctl+0x5c/0x148 [ 406.469787][ T4278] invoke_syscall+0x64/0x178 [ 406.470962][ T4278] el0_svc_common+0xb8/0x174 [ 406.472184][ T4278] do_el0_svc+0x48/0x174 [ 406.473302][ T4278] el0_svc+0x34/0x110 [ 406.474336][ T4278] el0t_64_sync_handler+0x84/0xf0 [ 406.475649][ T4278] el0t_64_sync+0x18c/0x190 [ 406.602180][ T4278] block nbd0: shutting down sockets [ 406.683675][ T4280] FAULT_INJECTION: forcing a failure. [ 406.683675][ T4280] name failslab, interval 1, probability 0, space 0, times 0 [ 406.686948][ T4280] CPU: 1 PID: 4280 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 406.689071][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 406.691615][ T4280] Call trace: [ 406.692448][ T4280] dump_backtrace+0x1c8/0x1f4 [ 406.693634][ T4280] show_stack+0x2c/0x3c [ 406.694705][ T4280] dump_stack_lvl+0xc0/0x104 [ 406.695903][ T4280] dump_stack+0x1c/0x4c [ 406.696975][ T4280] should_fail_ex+0x1bc/0x1e0 [ 406.698227][ T4280] __should_failslab+0x64/0x78 [ 406.699401][ T4280] should_failslab+0x10/0x28 [ 406.700565][ T4280] __kmem_cache_alloc_node+0x6c/0x348 [ 406.701968][ T4280] __kmalloc+0x98/0xd8 [ 406.703002][ T4280] tomoyo_supervisor+0x700/0x888 [ 406.704251][ T4280] tomoyo_path_number_perm+0x200/0x2a8 [ 406.705642][ T4280] tomoyo_file_ioctl+0x2c/0x3c [ 406.706852][ T4280] security_file_ioctl+0x4c/0x8c [ 406.708120][ T4280] __arm64_sys_ioctl+0x5c/0x148 [ 406.709403][ T4280] invoke_syscall+0x64/0x178 [ 406.710598][ T4280] el0_svc_common+0xb8/0x174 [ 406.711855][ T4280] do_el0_svc+0x48/0x174 [ 406.712951][ T4280] el0_svc+0x34/0x110 [ 406.714002][ T4280] el0t_64_sync_handler+0x84/0xf0 [ 406.715314][ T4280] el0t_64_sync+0x18c/0x190 [ 406.842385][ T4280] block nbd0: shutting down sockets [ 406.923578][ T4282] FAULT_INJECTION: forcing a failure. [ 406.923578][ T4282] name failslab, interval 1, probability 0, space 0, times 0 [ 406.926805][ T4282] CPU: 1 PID: 4282 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 406.928985][ T4282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 406.931570][ T4282] Call trace: [ 406.932376][ T4282] dump_backtrace+0x1c8/0x1f4 [ 406.933677][ T4282] show_stack+0x2c/0x3c [ 406.934847][ T4282] dump_stack_lvl+0xc0/0x104 [ 406.936115][ T4282] dump_stack+0x1c/0x4c [ 406.937247][ T4282] should_fail_ex+0x1bc/0x1e0 [ 406.938551][ T4282] __should_failslab+0x64/0x78 [ 406.939767][ T4282] should_failslab+0x10/0x28 [ 406.940947][ T4282] __kmem_cache_alloc_node+0x6c/0x348 [ 406.942319][ T4282] __kmalloc+0x98/0xd8 [ 406.943353][ T4282] tomoyo_supervisor+0x700/0x888 [ 406.944612][ T4282] tomoyo_path_number_perm+0x200/0x2a8 [ 406.946025][ T4282] tomoyo_file_ioctl+0x2c/0x3c [ 406.947278][ T4282] security_file_ioctl+0x4c/0x8c [ 406.948579][ T4282] __arm64_sys_ioctl+0x5c/0x148 [ 406.949796][ T4282] invoke_syscall+0x64/0x178 [ 406.950999][ T4282] el0_svc_common+0xb8/0x174 [ 406.952213][ T4282] do_el0_svc+0x48/0x174 [ 406.953328][ T4282] el0_svc+0x34/0x110 [ 406.954393][ T4282] el0t_64_sync_handler+0x84/0xf0 [ 406.955744][ T4282] el0t_64_sync+0x18c/0x190 [ 407.082084][ T4282] block nbd0: shutting down sockets [ 407.163586][ T4284] FAULT_INJECTION: forcing a failure. [ 407.163586][ T4284] name failslab, interval 1, probability 0, space 0, times 0 [ 407.166861][ T4284] CPU: 1 PID: 4284 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 407.168963][ T4284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 407.171548][ T4284] Call trace: [ 407.172392][ T4284] dump_backtrace+0x1c8/0x1f4 [ 407.173589][ T4284] show_stack+0x2c/0x3c [ 407.174648][ T4284] dump_stack_lvl+0xc0/0x104 [ 407.175801][ T4284] dump_stack+0x1c/0x4c [ 407.176856][ T4284] should_fail_ex+0x1bc/0x1e0 [ 407.177960][ T4284] __should_failslab+0x64/0x78 [ 407.179328][ T4284] should_failslab+0x10/0x28 [ 407.180571][ T4284] __kmem_cache_alloc_node+0x6c/0x348 [ 407.181890][ T4284] __kmalloc+0x98/0xd8 [ 407.182943][ T4284] tomoyo_supervisor+0x700/0x888 [ 407.184213][ T4284] tomoyo_path_number_perm+0x200/0x2a8 [ 407.185620][ T4284] tomoyo_file_ioctl+0x2c/0x3c [ 407.186877][ T4284] security_file_ioctl+0x4c/0x8c [ 407.188183][ T4284] __arm64_sys_ioctl+0x5c/0x148 [ 407.189417][ T4284] invoke_syscall+0x64/0x178 [ 407.190596][ T4284] el0_svc_common+0xb8/0x174 [ 407.191810][ T4284] do_el0_svc+0x48/0x174 [ 407.192892][ T4284] el0_svc+0x34/0x110 [ 407.193920][ T4284] el0t_64_sync_handler+0x84/0xf0 [ 407.195213][ T4284] el0t_64_sync+0x18c/0x190 [ 407.321763][ T4284] block nbd0: shutting down sockets [ 407.403545][ T4286] FAULT_INJECTION: forcing a failure. [ 407.403545][ T4286] name failslab, interval 1, probability 0, space 0, times 0 [ 407.406701][ T4286] CPU: 1 PID: 4286 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 407.408837][ T4286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 407.411356][ T4286] Call trace: [ 407.412198][ T4286] dump_backtrace+0x1c8/0x1f4 [ 407.413419][ T4286] show_stack+0x2c/0x3c [ 407.414484][ T4286] dump_stack_lvl+0xc0/0x104 [ 407.415698][ T4286] dump_stack+0x1c/0x4c [ 407.416788][ T4286] should_fail_ex+0x1bc/0x1e0 [ 407.418059][ T4286] __should_failslab+0x64/0x78 [ 407.419323][ T4286] should_failslab+0x10/0x28 [ 407.420551][ T4286] slab_pre_alloc_hook+0x54/0x1f4 [ 407.421818][ T4286] kmem_cache_alloc_lru+0x60/0x2ac [ 407.423174][ T4286] alloc_inode+0x7c/0x104 [ 407.424355][ T4286] new_inode+0x2c/0xc0 [ 407.425411][ T4286] debugfs_create_dir+0x98/0x1e0 [ 407.426736][ T4286] nbd_start_device+0x1b4/0x510 [ 407.427962][ T4286] nbd_ioctl+0x228/0x66c [ 407.429059][ T4286] blkdev_ioctl+0x218/0x664 [ 407.430206][ T4286] __arm64_sys_ioctl+0xd0/0x148 [ 407.431778][ T4286] invoke_syscall+0x64/0x178 [ 407.432974][ T4286] el0_svc_common+0xb8/0x174 [ 407.434179][ T4286] do_el0_svc+0x48/0x174 [ 407.435285][ T4286] el0_svc+0x34/0x110 [ 407.436319][ T4286] el0t_64_sync_handler+0x84/0xf0 [ 407.437636][ T4286] el0t_64_sync+0x18c/0x190 [ 407.438808][ T4286] debugfs: out of free dentries, can not create directory 'nbd0' [ 407.440842][ T4286] block nbd0: Failed to create debugfs dir for 'nbd0' [ 407.561462][ T4286] block nbd0: shutting down sockets [ 407.673218][ T4289] block nbd0: Device being setup by another task [ 407.724690][ T4288] FAULT_INJECTION: forcing a failure. [ 407.724690][ T4288] name failslab, interval 1, probability 0, space 0, times 0 [ 407.728044][ T4288] CPU: 1 PID: 4288 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 407.730198][ T4288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 407.732810][ T4288] Call trace: [ 407.733795][ T4288] dump_backtrace+0x1c8/0x1f4 [ 407.734959][ T4288] show_stack+0x2c/0x3c [ 407.736002][ T4288] dump_stack_lvl+0xc0/0x104 [ 407.737135][ T4288] dump_stack+0x1c/0x4c [ 407.738213][ T4288] should_fail_ex+0x1bc/0x1e0 [ 407.739451][ T4288] __should_failslab+0x64/0x78 [ 407.740627][ T4288] should_failslab+0x10/0x28 [ 407.741774][ T4288] __kmem_cache_alloc_node+0x6c/0x348 [ 407.743198][ T4288] __kmalloc_node_track_caller+0x84/0xc0 [ 407.744645][ T4288] kstrdup_const+0x90/0xdc [ 407.745757][ T4288] __kernfs_new_node+0x5c/0x2e8 [ 407.746985][ T4288] kernfs_create_dir_ns+0xac/0x188 [ 407.748350][ T4288] sysfs_create_dir_ns+0x8c/0x168 [ 407.749686][ T4288] kobject_add_internal+0x314/0x64c [ 407.750976][ T4288] kobject_add+0xb8/0x130 [ 407.752028][ T4288] blk_mq_register_hctx+0x54/0x184 [ 407.753314][ T4288] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 407.754860][ T4288] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 407.756339][ T4288] nbd_start_device+0xc4/0x510 [ 407.757570][ T4288] nbd_ioctl+0x228/0x66c [ 407.758667][ T4288] blkdev_ioctl+0x218/0x664 [ 407.759888][ T4288] __arm64_sys_ioctl+0xd0/0x148 [ 407.761146][ T4288] invoke_syscall+0x64/0x178 [ 407.762347][ T4288] el0_svc_common+0xb8/0x174 [ 407.763535][ T4288] do_el0_svc+0x48/0x174 [ 407.764591][ T4288] el0_svc+0x34/0x110 [ 407.765674][ T4288] el0t_64_sync_handler+0x84/0xf0 [ 407.766987][ T4288] el0t_64_sync+0x18c/0x190 [ 407.768218][ T4288] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 407.832010][ T4288] block nbd0: shutting down sockets [ 407.955145][ T4291] ------------[ cut here ]------------ [ 407.956654][ T4291] kernfs: can not remove 'nr_tags', no directory [ 407.958328][ T4291] WARNING: CPU: 0 PID: 4291 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 407.960733][ T4291] Modules linked in: [ 407.961818][ T4291] CPU: 0 PID: 4291 Comm: syz-executor235 Not tainted 6.1.92-syzkaller #0 [ 407.963866][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 407.966521][ T4291] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 407.968607][ T4291] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 407.970161][ T4291] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 407.971693][ T4291] sp : ffff80000ded3ac0 [ 407.972830][ T4291] x29: ffff80000ded3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 407.974944][ T4291] x26: ffff0000c6a5bd08 x25: ffff80000ded3be8 x24: ffff0001ffb3ef80 [ 407.976996][ T4291] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 407.979153][ T4291] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 407.981262][ T4291] x17: ffff80000d3d0688 x16: 0000000000001178 x15: 0000000000000000 [ 407.983377][ T4291] x14: 0000000000000000 x13: 205d313932345420 x12: ffff80000d194000 [ 407.985421][ T4291] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3972562f528b9e00 [ 407.987500][ T4291] x8 : 3972562f528b9e00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 407.989520][ T4291] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 407.991567][ T4291] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 407.993622][ T4291] Call trace: [ 407.994445][ T4291] kernfs_remove_by_name_ns+0xb4/0x110 [ 407.995851][ T4291] sysfs_remove_group+0x68/0x160 [ 407.997079][ T4291] sysfs_remove_groups+0x3c/0x78 [ 407.998412][ T4291] __kobject_del+0x34/0x134 [ 407.999588][ T4291] kobject_del+0x2c/0x4c [ 408.000697][ T4291] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 408.002232][ T4291] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 408.003688][ T4291] nbd_start_device+0xc4/0x510 [ 408.004950][ T4291] nbd_ioctl+0x228/0x66c [ 408.006108][ T4291] blkdev_ioctl+0x218/0x664 [ 408.007288][ T4291] __arm64_sys_ioctl+0xd0/0x148 [ 408.008527][ T4291] invoke_syscall+0x64/0x178 [ 408.009762][ T4291] el0_svc_common+0xb8/0x174 [ 408.010936][ T4291] do_el0_svc+0x48/0x174 [ 408.012017][ T4291] el0_svc+0x34/0x110 [ 408.013049][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 408.014355][ T4291] el0t_64_sync+0x18c/0x190 [ 408.015512][ T4291] ---[ end trace 0000000000000000 ]--- [ 408.016972][ T4291] ------------[ cut here ]------------ [ 408.018325][ T4291] kernfs: can not remove 'nr_reserved_tags', no directory [ 408.020242][ T4291] WARNING: CPU: 0 PID: 4291 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 408.022661][ T4291] Modules linked in: [ 408.023605][ T4291] CPU: 0 PID: 4291 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 408.026143][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 408.028729][ T4291] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 408.030769][ T4291] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 408.032242][ T4291] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 408.033733][ T4291] sp : ffff80000ded3ac0 [ 408.034752][ T4291] x29: ffff80000ded3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 408.036797][ T4291] x26: ffff0000c6a5bd08 x25: ffff80000ded3be8 x24: ffff0001ffb3ef80 [ 408.038914][ T4291] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 408.040949][ T4291] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 408.043032][ T4291] x17: ffff80000d3d0688 x16: 0000000000001178 x15: 0000000000000000 [ 408.045142][ T4291] x14: 0000000000000000 x13: 205d313932345420 x12: ffff80000d194000 [ 408.047220][ T4291] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3972562f528b9e00 [ 408.049292][ T4291] x8 : 3972562f528b9e00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 408.051361][ T4291] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 408.053446][ T4291] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 408.055460][ T4291] Call trace: [ 408.056329][ T4291] kernfs_remove_by_name_ns+0xb4/0x110 [ 408.057754][ T4291] sysfs_remove_group+0x68/0x160 [ 408.059005][ T4291] sysfs_remove_groups+0x3c/0x78 [ 408.060290][ T4291] __kobject_del+0x34/0x134 [ 408.061523][ T4291] kobject_del+0x2c/0x4c [ 408.062627][ T4291] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 408.064145][ T4291] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 408.065724][ T4291] nbd_start_device+0xc4/0x510 [ 408.066958][ T4291] nbd_ioctl+0x228/0x66c [ 408.068108][ T4291] blkdev_ioctl+0x218/0x664 [ 408.069277][ T4291] __arm64_sys_ioctl+0xd0/0x148 [ 408.070534][ T4291] invoke_syscall+0x64/0x178 [ 408.071714][ T4291] el0_svc_common+0xb8/0x174 [ 408.072883][ T4291] do_el0_svc+0x48/0x174 [ 408.074023][ T4291] el0_svc+0x34/0x110 [ 408.075116][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 408.076487][ T4291] el0t_64_sync+0x18c/0x190 [ 408.077648][ T4291] ---[ end trace 0000000000000000 ]--- [ 408.079198][ T4291] ------------[ cut here ]------------ [ 408.080570][ T4291] kernfs: can not remove 'cpu_list', no directory [ 408.082318][ T4291] WARNING: CPU: 0 PID: 4291 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 408.084835][ T4291] Modules linked in: [ 408.085839][ T4291] CPU: 0 PID: 4291 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 408.088483][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 408.091376][ T4291] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 408.093417][ T4291] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 408.094947][ T4291] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 408.096548][ T4291] sp : ffff80000ded3ac0 [ 408.097614][ T4291] x29: ffff80000ded3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 408.099706][ T4291] x26: ffff0000c6a5bd08 x25: ffff80000ded3be8 x24: ffff0001ffb3ef80 [ 408.101848][ T4291] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 408.103968][ T4291] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 408.106120][ T4291] x17: ffff80000d3d0688 x16: 0000000000001178 x15: 0000000000000000 [ 408.108277][ T4291] x14: 0000000000000000 x13: 205d313932345420 x12: ffff80000d194000 [ 408.110346][ T4291] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3972562f528b9e00 [ 408.112416][ T4291] x8 : 3972562f528b9e00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 408.114493][ T4291] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 408.116537][ T4291] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 408.118651][ T4291] Call trace: [ 408.119501][ T4291] kernfs_remove_by_name_ns+0xb4/0x110 [ 408.120887][ T4291] sysfs_remove_group+0x68/0x160 [ 408.122161][ T4291] sysfs_remove_groups+0x3c/0x78 [ 408.123388][ T4291] __kobject_del+0x34/0x134 [ 408.124578][ T4291] kobject_del+0x2c/0x4c [ 408.125655][ T4291] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 408.127150][ T4291] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 408.128651][ T4291] nbd_start_device+0xc4/0x510 [ 408.129937][ T4291] nbd_ioctl+0x228/0x66c [ 408.131004][ T4291] blkdev_ioctl+0x218/0x664 [ 408.132188][ T4291] __arm64_sys_ioctl+0xd0/0x148 [ 408.133494][ T4291] invoke_syscall+0x64/0x178 [ 408.134662][ T4291] el0_svc_common+0xb8/0x174 [ 408.135856][ T4291] do_el0_svc+0x48/0x174 [ 408.136937][ T4291] el0_svc+0x34/0x110 [ 408.137922][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 408.139216][ T4291] el0t_64_sync+0x18c/0x190 [ 408.140392][ T4291] ---[ end trace 0000000000000000 ]--- [ 408.143504][ T4291] block nbd0: shutting down sockets [ 408.233471][ T4293] FAULT_INJECTION: forcing a failure. [ 408.233471][ T4293] name failslab, interval 1, probability 0, space 0, times 0 [ 408.236586][ T4293] CPU: 1 PID: 4293 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 408.239083][ T4293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 408.241731][ T4293] Call trace: [ 408.242647][ T4293] dump_backtrace+0x1c8/0x1f4 [ 408.243847][ T4293] show_stack+0x2c/0x3c [ 408.244909][ T4293] dump_stack_lvl+0xc0/0x104 [ 408.246064][ T4293] dump_stack+0x1c/0x4c [ 408.247150][ T4293] should_fail_ex+0x1bc/0x1e0 [ 408.248346][ T4293] __should_failslab+0x64/0x78 [ 408.249661][ T4293] should_failslab+0x10/0x28 [ 408.250811][ T4293] slab_pre_alloc_hook+0x54/0x1f4 [ 408.252132][ T4293] kmem_cache_alloc_lru+0x60/0x2ac [ 408.253505][ T4293] alloc_inode+0x7c/0x104 [ 408.254598][ T4293] new_inode+0x2c/0xc0 [ 408.255682][ T4293] debugfs_create_dir+0x98/0x1e0 [ 408.256935][ T4293] nbd_start_device+0x1b4/0x510 [ 408.258165][ T4293] nbd_ioctl+0x228/0x66c [ 408.259193][ T4293] blkdev_ioctl+0x218/0x664 [ 408.260326][ T4293] __arm64_sys_ioctl+0xd0/0x148 [ 408.261557][ T4293] invoke_syscall+0x64/0x178 [ 408.262722][ T4293] el0_svc_common+0xb8/0x174 [ 408.263917][ T4293] do_el0_svc+0x48/0x174 [ 408.264988][ T4293] el0_svc+0x34/0x110 [ 408.266027][ T4293] el0t_64_sync_handler+0x84/0xf0 [ 408.267287][ T4293] el0t_64_sync+0x18c/0x190 [ 408.268505][ T4293] debugfs: out of free dentries, can not create directory 'nbd0' [ 408.270406][ T4293] block nbd0: Failed to create debugfs dir for 'nbd0' [ 408.392299][ T4293] block nbd0: shutting down sockets [ 408.473469][ T4295] FAULT_INJECTION: forcing a failure. [ 408.473469][ T4295] name failslab, interval 1, probability 0, space 0, times 0 [ 408.476679][ T4295] CPU: 1 PID: 4295 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 408.479196][ T4295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 408.481876][ T4295] Call trace: [ 408.482681][ T4295] dump_backtrace+0x1c8/0x1f4 [ 408.483927][ T4295] show_stack+0x2c/0x3c [ 408.484994][ T4295] dump_stack_lvl+0xc0/0x104 [ 408.486191][ T4295] dump_stack+0x1c/0x4c [ 408.487228][ T4295] should_fail_ex+0x1bc/0x1e0 [ 408.488525][ T4295] __should_failslab+0x64/0x78 [ 408.489763][ T4295] should_failslab+0x10/0x28 [ 408.490981][ T4295] slab_pre_alloc_hook+0x54/0x1f4 [ 408.492309][ T4295] kmem_cache_alloc_lru+0x60/0x2ac [ 408.493602][ T4295] alloc_inode+0x7c/0x104 [ 408.494747][ T4295] new_inode+0x2c/0xc0 [ 408.495791][ T4295] debugfs_create_dir+0x98/0x1e0 [ 408.497039][ T4295] nbd_start_device+0x1b4/0x510 [ 408.498276][ T4295] nbd_ioctl+0x228/0x66c [ 408.499363][ T4295] blkdev_ioctl+0x218/0x664 [ 408.500544][ T4295] __arm64_sys_ioctl+0xd0/0x148 [ 408.501801][ T4295] invoke_syscall+0x64/0x178 [ 408.502980][ T4295] el0_svc_common+0xb8/0x174 [ 408.504173][ T4295] do_el0_svc+0x48/0x174 [ 408.505271][ T4295] el0_svc+0x34/0x110 [ 408.506374][ T4295] el0t_64_sync_handler+0x84/0xf0 [ 408.507663][ T4295] el0t_64_sync+0x18c/0x190 [ 408.508854][ T4295] debugfs: out of free dentries, can not create directory 'nbd0' [ 408.510958][ T4295] block nbd0: Failed to create debugfs dir for 'nbd0' [ 408.632562][ T4295] block nbd0: shutting down sockets [ 408.713563][ T4297] FAULT_INJECTION: forcing a failure. [ 408.713563][ T4297] name failslab, interval 1, probability 0, space 0, times 0 [ 408.716868][ T4297] CPU: 1 PID: 4297 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 408.719430][ T4297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 408.722009][ T4297] Call trace: [ 408.722882][ T4297] dump_backtrace+0x1c8/0x1f4 [ 408.724089][ T4297] show_stack+0x2c/0x3c [ 408.725184][ T4297] dump_stack_lvl+0xc0/0x104 [ 408.726388][ T4297] dump_stack+0x1c/0x4c [ 408.727454][ T4297] should_fail_ex+0x1bc/0x1e0 [ 408.728663][ T4297] __should_failslab+0x64/0x78 [ 408.729875][ T4297] should_failslab+0x10/0x28 [ 408.731028][ T4297] slab_pre_alloc_hook+0x54/0x1f4 [ 408.732285][ T4297] kmem_cache_alloc_lru+0x60/0x2ac [ 408.733625][ T4297] alloc_inode+0x7c/0x104 [ 408.734748][ T4297] new_inode+0x2c/0xc0 [ 408.735785][ T4297] debugfs_create_dir+0x98/0x1e0 [ 408.737106][ T4297] nbd_start_device+0x1b4/0x510 [ 408.738448][ T4297] nbd_ioctl+0x228/0x66c [ 408.739528][ T4297] blkdev_ioctl+0x218/0x664 [ 408.740688][ T4297] __arm64_sys_ioctl+0xd0/0x148 [ 408.741958][ T4297] invoke_syscall+0x64/0x178 [ 408.743181][ T4297] el0_svc_common+0xb8/0x174 [ 408.744375][ T4297] do_el0_svc+0x48/0x174 [ 408.745474][ T4297] el0_svc+0x34/0x110 [ 408.746454][ T4297] el0t_64_sync_handler+0x84/0xf0 [ 408.747774][ T4297] el0t_64_sync+0x18c/0x190 [ 408.748968][ T4297] debugfs: out of free dentries, can not create directory 'nbd0' [ 408.750993][ T4297] block nbd0: Failed to create debugfs dir for 'nbd0' [ 408.871704][ T4297] block nbd0: shutting down sockets [ 408.953503][ T4299] FAULT_INJECTION: forcing a failure. [ 408.953503][ T4299] name failslab, interval 1, probability 0, space 0, times 0 [ 408.956834][ T4299] CPU: 0 PID: 4299 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 408.959497][ T4299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 408.962099][ T4299] Call trace: [ 408.962919][ T4299] dump_backtrace+0x1c8/0x1f4 [ 408.964091][ T4299] show_stack+0x2c/0x3c [ 408.965212][ T4299] dump_stack_lvl+0xc0/0x104 [ 408.966407][ T4299] dump_stack+0x1c/0x4c [ 408.967466][ T4299] should_fail_ex+0x1bc/0x1e0 [ 408.968700][ T4299] __should_failslab+0x64/0x78 [ 408.969912][ T4299] should_failslab+0x10/0x28 [ 408.971089][ T4299] slab_pre_alloc_hook+0x54/0x1f4 [ 408.972373][ T4299] kmem_cache_alloc_lru+0x60/0x2ac [ 408.973712][ T4299] alloc_inode+0x7c/0x104 [ 408.974875][ T4299] new_inode+0x2c/0xc0 [ 408.975892][ T4299] debugfs_create_dir+0x98/0x1e0 [ 408.977159][ T4299] nbd_start_device+0x1b4/0x510 [ 408.978403][ T4299] nbd_ioctl+0x228/0x66c [ 408.979464][ T4299] blkdev_ioctl+0x218/0x664 [ 408.980670][ T4299] __arm64_sys_ioctl+0xd0/0x148 [ 408.981976][ T4299] invoke_syscall+0x64/0x178 [ 408.983136][ T4299] el0_svc_common+0xb8/0x174 [ 408.984360][ T4299] do_el0_svc+0x48/0x174 [ 408.985421][ T4299] el0_svc+0x34/0x110 [ 408.986458][ T4299] el0t_64_sync_handler+0x84/0xf0 [ 408.987748][ T4299] el0t_64_sync+0x18c/0x190 [ 408.988951][ T4299] debugfs: out of free dentries, can not create directory 'nbd0' [ 408.990940][ T4299] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.112189][ T4299] block nbd0: shutting down sockets [ 409.193526][ T4301] FAULT_INJECTION: forcing a failure. [ 409.193526][ T4301] name failslab, interval 1, probability 0, space 0, times 0 [ 409.196807][ T4301] CPU: 0 PID: 4301 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 409.199348][ T4301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 409.201931][ T4301] Call trace: [ 409.202758][ T4301] dump_backtrace+0x1c8/0x1f4 [ 409.203919][ T4301] show_stack+0x2c/0x3c [ 409.205021][ T4301] dump_stack_lvl+0xc0/0x104 [ 409.206202][ T4301] dump_stack+0x1c/0x4c [ 409.207318][ T4301] should_fail_ex+0x1bc/0x1e0 [ 409.208562][ T4301] __should_failslab+0x64/0x78 [ 409.209735][ T4301] should_failslab+0x10/0x28 [ 409.210935][ T4301] slab_pre_alloc_hook+0x54/0x1f4 [ 409.212277][ T4301] kmem_cache_alloc_lru+0x60/0x2ac [ 409.213601][ T4301] alloc_inode+0x7c/0x104 [ 409.214690][ T4301] new_inode+0x2c/0xc0 [ 409.215774][ T4301] debugfs_create_dir+0x98/0x1e0 [ 409.217025][ T4301] nbd_start_device+0x1b4/0x510 [ 409.218275][ T4301] nbd_ioctl+0x228/0x66c [ 409.219376][ T4301] blkdev_ioctl+0x218/0x664 [ 409.220591][ T4301] __arm64_sys_ioctl+0xd0/0x148 [ 409.221847][ T4301] invoke_syscall+0x64/0x178 [ 409.223016][ T4301] el0_svc_common+0xb8/0x174 [ 409.224214][ T4301] do_el0_svc+0x48/0x174 [ 409.225434][ T4301] el0_svc+0x34/0x110 [ 409.226399][ T4301] el0t_64_sync_handler+0x84/0xf0 [ 409.227670][ T4301] el0t_64_sync+0x18c/0x190 [ 409.228825][ T4301] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.230861][ T4301] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.352203][ T4301] block nbd0: shutting down sockets [ 409.433498][ T4303] FAULT_INJECTION: forcing a failure. [ 409.433498][ T4303] name failslab, interval 1, probability 0, space 0, times 0 [ 409.436839][ T4303] CPU: 0 PID: 4303 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 409.439377][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 409.442011][ T4303] Call trace: [ 409.442943][ T4303] dump_backtrace+0x1c8/0x1f4 [ 409.444165][ T4303] show_stack+0x2c/0x3c [ 409.445263][ T4303] dump_stack_lvl+0xc0/0x104 [ 409.446478][ T4303] dump_stack+0x1c/0x4c [ 409.447543][ T4303] should_fail_ex+0x1bc/0x1e0 [ 409.448789][ T4303] __should_failslab+0x64/0x78 [ 409.450032][ T4303] should_failslab+0x10/0x28 [ 409.451207][ T4303] slab_pre_alloc_hook+0x54/0x1f4 [ 409.452542][ T4303] kmem_cache_alloc_lru+0x60/0x2ac [ 409.453834][ T4303] alloc_inode+0x7c/0x104 [ 409.455009][ T4303] new_inode+0x2c/0xc0 [ 409.456080][ T4303] debugfs_create_dir+0x98/0x1e0 [ 409.457399][ T4303] nbd_start_device+0x1b4/0x510 [ 409.458669][ T4303] nbd_ioctl+0x228/0x66c [ 409.459777][ T4303] blkdev_ioctl+0x218/0x664 [ 409.460937][ T4303] __arm64_sys_ioctl+0xd0/0x148 [ 409.462165][ T4303] invoke_syscall+0x64/0x178 [ 409.463440][ T4303] el0_svc_common+0xb8/0x174 [ 409.464594][ T4303] do_el0_svc+0x48/0x174 [ 409.465667][ T4303] el0_svc+0x34/0x110 [ 409.466700][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 409.467962][ T4303] el0t_64_sync+0x18c/0x190 [ 409.469153][ T4303] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.471128][ T4303] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.592423][ T4303] block nbd0: shutting down sockets [ 409.693316][ T4306] FAULT_INJECTION: forcing a failure. [ 409.693316][ T4306] name failslab, interval 1, probability 0, space 0, times 0 [ 409.696627][ T4306] CPU: 1 PID: 4306 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 409.699230][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 409.701983][ T4306] Call trace: [ 409.702794][ T4306] dump_backtrace+0x1c8/0x1f4 [ 409.704000][ T4306] show_stack+0x2c/0x3c [ 409.705056][ T4306] dump_stack_lvl+0xc0/0x104 [ 409.706298][ T4306] dump_stack+0x1c/0x4c [ 409.707369][ T4306] should_fail_ex+0x1bc/0x1e0 [ 409.708584][ T4306] __should_failslab+0x64/0x78 [ 409.709803][ T4306] should_failslab+0x10/0x28 [ 409.710950][ T4306] slab_pre_alloc_hook+0x54/0x1f4 [ 409.712288][ T4306] kmem_cache_alloc_lru+0x60/0x2ac [ 409.713621][ T4306] alloc_inode+0x7c/0x104 [ 409.714672][ T4306] new_inode+0x2c/0xc0 [ 409.715707][ T4306] debugfs_create_dir+0x98/0x1e0 [ 409.717015][ T4306] nbd_start_device+0x1b4/0x510 [ 409.718248][ T4306] nbd_ioctl+0x228/0x66c [ 409.719351][ T4306] blkdev_ioctl+0x218/0x664 [ 409.720535][ T4306] __arm64_sys_ioctl+0xd0/0x148 [ 409.721745][ T4306] invoke_syscall+0x64/0x178 [ 409.722916][ T4306] el0_svc_common+0xb8/0x174 [ 409.724068][ T4306] do_el0_svc+0x48/0x174 [ 409.725147][ T4306] el0_svc+0x34/0x110 [ 409.726207][ T4306] el0t_64_sync_handler+0x84/0xf0 [ 409.727479][ T4306] el0t_64_sync+0x18c/0x190 [ 409.728668][ T4306] debugfs: out of free dentries, can not create directory 'nbd0' [ 409.730699][ T4306] block nbd0: Failed to create debugfs dir for 'nbd0' [ 409.843322][ T4306] block nbd0: shutting down sockets [ 409.963368][ T4309] FAULT_INJECTION: forcing a failure. [ 409.963368][ T4309] name failslab, interval 1, probability 0, space 0, times 0 [ 409.966699][ T4309] CPU: 1 PID: 4309 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 409.969178][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 409.971753][ T4309] Call trace: [ 409.972542][ T4309] dump_backtrace+0x1c8/0x1f4 [ 409.973751][ T4309] show_stack+0x2c/0x3c [ 409.974793][ T4309] dump_stack_lvl+0xc0/0x104 [ 409.976017][ T4309] dump_stack+0x1c/0x4c [ 409.977137][ T4309] should_fail_ex+0x1bc/0x1e0 [ 409.978322][ T4309] __should_failslab+0x64/0x78 [ 409.979624][ T4309] should_failslab+0x10/0x28 [ 409.980789][ T4309] slab_pre_alloc_hook+0x54/0x1f4 [ 409.982092][ T4309] kmem_cache_alloc_lru+0x60/0x2ac [ 409.983409][ T4309] alloc_inode+0x7c/0x104 [ 409.984511][ T4309] new_inode+0x2c/0xc0 [ 409.985576][ T4309] debugfs_create_dir+0x98/0x1e0 [ 409.986883][ T4309] nbd_start_device+0x1b4/0x510 [ 409.988164][ T4309] nbd_ioctl+0x228/0x66c [ 409.989252][ T4309] blkdev_ioctl+0x218/0x664 [ 409.990424][ T4309] __arm64_sys_ioctl+0xd0/0x148 [ 409.991691][ T4309] invoke_syscall+0x64/0x178 [ 409.992867][ T4309] el0_svc_common+0xb8/0x174 [ 409.994038][ T4309] do_el0_svc+0x48/0x174 [ 409.995082][ T4309] el0_svc+0x34/0x110 [ 409.996165][ T4309] el0t_64_sync_handler+0x84/0xf0 [ 409.997453][ T4309] el0t_64_sync+0x18c/0x190 [ 409.998703][ T4309] debugfs: out of free dentries, can not create directory 'nbd0' [ 410.000719][ T4309] block nbd0: Failed to create debugfs dir for 'nbd0' [ 410.108072][ T4309] block nbd0: shutting down sockets [ 410.273219][ T4312] block nbd0: Device being setup by another task [ 410.314756][ T4311] FAULT_INJECTION: forcing a failure. [ 410.314756][ T4311] name failslab, interval 1, probability 0, space 0, times 0 [ 410.318148][ T4311] CPU: 0 PID: 4311 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 410.320745][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 410.323316][ T4311] Call trace: [ 410.324097][ T4311] dump_backtrace+0x1c8/0x1f4 [ 410.325311][ T4311] show_stack+0x2c/0x3c [ 410.326422][ T4311] dump_stack_lvl+0xc0/0x104 [ 410.327562][ T4311] dump_stack+0x1c/0x4c [ 410.328602][ T4311] should_fail_ex+0x1bc/0x1e0 [ 410.329829][ T4311] __should_failslab+0x64/0x78 [ 410.331089][ T4311] should_failslab+0x10/0x28 [ 410.332260][ T4311] __kmem_cache_alloc_node+0x6c/0x348 [ 410.333664][ T4311] __kmalloc_node_track_caller+0x84/0xc0 [ 410.335110][ T4311] kstrdup_const+0x90/0xdc [ 410.336275][ T4311] __kernfs_new_node+0x5c/0x2e8 [ 410.337497][ T4311] kernfs_create_dir_ns+0xac/0x188 [ 410.338790][ T4311] sysfs_create_dir_ns+0x8c/0x168 [ 410.340051][ T4311] kobject_add_internal+0x314/0x64c [ 410.341403][ T4311] kobject_add+0xb8/0x130 [ 410.342491][ T4311] blk_mq_register_hctx+0x54/0x184 [ 410.343749][ T4311] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 410.345198][ T4311] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 410.346712][ T4311] nbd_start_device+0xc4/0x510 [ 410.347960][ T4311] nbd_ioctl+0x228/0x66c [ 410.349063][ T4311] blkdev_ioctl+0x218/0x664 [ 410.350229][ T4311] __arm64_sys_ioctl+0xd0/0x148 [ 410.351466][ T4311] invoke_syscall+0x64/0x178 [ 410.352696][ T4311] el0_svc_common+0xb8/0x174 [ 410.353865][ T4311] do_el0_svc+0x48/0x174 [ 410.354925][ T4311] el0_svc+0x34/0x110 [ 410.355911][ T4311] el0t_64_sync_handler+0x84/0xf0 [ 410.357295][ T4311] el0t_64_sync+0x18c/0x190 [ 410.358567][ T4311] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 410.381966][ T4311] block nbd0: shutting down sockets [ 410.475490][ T4314] ------------[ cut here ]------------ [ 410.476981][ T4314] kernfs: can not remove 'nr_tags', no directory [ 410.478739][ T4314] WARNING: CPU: 0 PID: 4314 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 410.481201][ T4314] Modules linked in: [ 410.482161][ T4314] CPU: 0 PID: 4314 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 410.484793][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 410.487469][ T4314] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 410.489468][ T4314] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 410.490928][ T4314] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 410.492403][ T4314] sp : ffff800014003ac0 [ 410.493482][ T4314] x29: ffff800014003ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 410.495599][ T4314] x26: ffff0000c6a5bd08 x25: ffff800014003be8 x24: ffff0001ffb6af80 [ 410.497696][ T4314] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 410.499813][ T4314] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 410.501801][ T4314] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 410.503926][ T4314] x14: 0000000000000000 x13: 205d343133345420 x12: ffff80000d194000 [ 410.506036][ T4314] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 76ec41360993bf00 [ 410.508197][ T4314] x8 : 76ec41360993bf00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 410.510251][ T4314] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 410.512311][ T4314] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 410.514402][ T4314] Call trace: [ 410.515231][ T4314] kernfs_remove_by_name_ns+0xb4/0x110 [ 410.516653][ T4314] sysfs_remove_group+0x68/0x160 [ 410.517981][ T4314] sysfs_remove_groups+0x3c/0x78 [ 410.519231][ T4314] __kobject_del+0x34/0x134 [ 410.520400][ T4314] kobject_del+0x2c/0x4c [ 410.521452][ T4314] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 410.522965][ T4314] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 410.524481][ T4314] nbd_start_device+0xc4/0x510 [ 410.525729][ T4314] nbd_ioctl+0x228/0x66c [ 410.526877][ T4314] blkdev_ioctl+0x218/0x664 [ 410.528051][ T4314] __arm64_sys_ioctl+0xd0/0x148 [ 410.529270][ T4314] invoke_syscall+0x64/0x178 [ 410.530490][ T4314] el0_svc_common+0xb8/0x174 [ 410.531607][ T4314] do_el0_svc+0x48/0x174 [ 410.532695][ T4314] el0_svc+0x34/0x110 [ 410.533704][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 410.535069][ T4314] el0t_64_sync+0x18c/0x190 [ 410.536255][ T4314] ---[ end trace 0000000000000000 ]--- [ 410.537733][ T4314] ------------[ cut here ]------------ [ 410.539122][ T4314] kernfs: can not remove 'nr_reserved_tags', no directory [ 410.541008][ T4314] WARNING: CPU: 0 PID: 4314 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 410.543548][ T4314] Modules linked in: [ 410.544526][ T4314] CPU: 0 PID: 4314 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 410.547096][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 410.549756][ T4314] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 410.551761][ T4314] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 410.553301][ T4314] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 410.554749][ T4314] sp : ffff800014003ac0 [ 410.555809][ T4314] x29: ffff800014003ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 410.557828][ T4314] x26: ffff0000c6a5bd08 x25: ffff800014003be8 x24: ffff0001ffb6af80 [ 410.559933][ T4314] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 410.561994][ T4314] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 410.564090][ T4314] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 410.566161][ T4314] x14: 0000000000000000 x13: 205d343133345420 x12: ffff80000d194000 [ 410.568275][ T4314] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 76ec41360993bf00 [ 410.570391][ T4314] x8 : 76ec41360993bf00 x7 : 0000000000000000 x6 : ffff80000ae144d0 [ 410.572462][ T4314] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dcea8 [ 410.574498][ T4314] x2 : ffff0001fe9dcea8 x1 : ffff80000b9b5cd9 x0 : 0000000000000001 [ 410.576602][ T4314] Call trace: [ 410.577455][ T4314] kernfs_remove_by_name_ns+0xb4/0x110 [ 410.578877][ T4314] sysfs_remove_group+0x68/0x160 [ 410.580144][ T4314] sysfs_remove_groups+0x3c/0x78 [ 410.581453][ T4314] __kobject_del+0x34/0x134 [ 410.582605][ T4314] kobject_del+0x2c/0x4c [ 410.583699][ T4314] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 410.585195][ T4314] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 410.586778][ T4314] nbd_start_device+0xc4/0x510 [ 410.588091][ T4314] nbd_ioctl+0x228/0x66c [ 410.589197][ T4314] blkdev_ioctl+0x218/0x664 [ 410.590356][ T4314] __arm64_sys_ioctl+0xd0/0x148 [ 410.591580][ T4314] invoke_syscall+0x64/0x178 [ 410.592749][ T4314] el0_svc_common+0xb8/0x174 [ 410.593930][ T4314] do_el0_svc+0x48/0x174 [ 410.595034][ T4314] el0_svc+0x34/0x110 [ 410.596087][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 410.597355][ T4314] el0t_64_sync+0x18c/0x190 [ 410.598498][ T4314] ---[ end trace 0000000000000000 ]--- [ 410.599960][ T4314] ------------[ cut here ]------------ [ 410.601337][ T4314] kernfs: can not remove 'cpu_list', no directory [ 410.603001][ T4314] WARNING: CPU: 0 PID: 4314 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 410.605509][ T4314] Modules linked in: [ 410.606506][ T4314] CPU: 0 PID: 4314 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 410.609133][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 410.611701][ T4314] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 410.613717][ T4314] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 410.615190][ T4314] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 410.616664][ T4314] sp : ffff800014003ac0 [ 410.617705][ T4314] x29: ffff800014003ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 410.619788][ T4314] x26: ffff0000c6a5bd08 x25: ffff800014003be8 x24: ffff0001ffb6af80 [ 410.621859][ T4314] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 410.624006][ T4314] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 410.626177][ T4314] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 410.628275][ T4314] x14: 0000000000000000 x13: 205d343133345420 x12: ffff80000d194000 [ 410.630333][ T4314] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 76ec41360993bf00 [ 410.632395][ T4314] x8 : 76ec41360993bf00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 410.634413][ T4314] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 410.636427][ T4314] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 410.638461][ T4314] Call trace: [ 410.639268][ T4314] kernfs_remove_by_name_ns+0xb4/0x110 [ 410.640710][ T4314] sysfs_remove_group+0x68/0x160 [ 410.642017][ T4314] sysfs_remove_groups+0x3c/0x78 [ 410.643349][ T4314] __kobject_del+0x34/0x134 [ 410.644561][ T4314] kobject_del+0x2c/0x4c [ 410.645617][ T4314] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 410.647133][ T4314] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 410.648715][ T4314] nbd_start_device+0xc4/0x510 [ 410.650014][ T4314] nbd_ioctl+0x228/0x66c [ 410.651190][ T4314] blkdev_ioctl+0x218/0x664 [ 410.652384][ T4314] __arm64_sys_ioctl+0xd0/0x148 [ 410.653621][ T4314] invoke_syscall+0x64/0x178 [ 410.654893][ T4314] el0_svc_common+0xb8/0x174 [ 410.656094][ T4314] do_el0_svc+0x48/0x174 [ 410.657210][ T4314] el0_svc+0x34/0x110 [ 410.658186][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 410.659520][ T4314] el0t_64_sync+0x18c/0x190 [ 410.660728][ T4314] ---[ end trace 0000000000000000 ]--- [ 410.664641][ T4314] block nbd0: shutting down sockets [ 410.743500][ T4316] FAULT_INJECTION: forcing a failure. [ 410.743500][ T4316] name failslab, interval 1, probability 0, space 0, times 0 [ 410.746858][ T4316] CPU: 0 PID: 4316 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 410.749327][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 410.751883][ T4316] Call trace: [ 410.752656][ T4316] dump_backtrace+0x1c8/0x1f4 [ 410.753870][ T4316] show_stack+0x2c/0x3c [ 410.754969][ T4316] dump_stack_lvl+0xc0/0x104 [ 410.756150][ T4316] dump_stack+0x1c/0x4c [ 410.757174][ T4316] should_fail_ex+0x1bc/0x1e0 [ 410.758353][ T4316] __should_failslab+0x64/0x78 [ 410.759590][ T4316] should_failslab+0x10/0x28 [ 410.760775][ T4316] slab_pre_alloc_hook+0x54/0x1f4 [ 410.762081][ T4316] kmem_cache_alloc_lru+0x60/0x2ac [ 410.763394][ T4316] alloc_inode+0x7c/0x104 [ 410.764525][ T4316] new_inode+0x2c/0xc0 [ 410.765513][ T4316] debugfs_create_dir+0x98/0x1e0 [ 410.766745][ T4316] nbd_start_device+0x1b4/0x510 [ 410.768023][ T4316] nbd_ioctl+0x228/0x66c [ 410.769113][ T4316] blkdev_ioctl+0x218/0x664 [ 410.770289][ T4316] __arm64_sys_ioctl+0xd0/0x148 [ 410.771584][ T4316] invoke_syscall+0x64/0x178 [ 410.772792][ T4316] el0_svc_common+0xb8/0x174 [ 410.774033][ T4316] do_el0_svc+0x48/0x174 [ 410.775123][ T4316] el0_svc+0x34/0x110 [ 410.776154][ T4316] el0t_64_sync_handler+0x84/0xf0 [ 410.777543][ T4316] el0t_64_sync+0x18c/0x190 [ 410.778729][ T4316] debugfs: out of free dentries, can not create directory 'nbd0' [ 410.780720][ T4316] block nbd0: Failed to create debugfs dir for 'nbd0' [ 410.902628][ T4316] block nbd0: shutting down sockets [ 410.993435][ T4318] FAULT_INJECTION: forcing a failure. [ 410.993435][ T4318] name failslab, interval 1, probability 0, space 0, times 0 [ 410.996706][ T4318] CPU: 0 PID: 4318 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 410.999210][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 411.001737][ T4318] Call trace: [ 411.002542][ T4318] dump_backtrace+0x1c8/0x1f4 [ 411.003748][ T4318] show_stack+0x2c/0x3c [ 411.004841][ T4318] dump_stack_lvl+0xc0/0x104 [ 411.006023][ T4318] dump_stack+0x1c/0x4c [ 411.007068][ T4318] should_fail_ex+0x1bc/0x1e0 [ 411.008307][ T4318] __should_failslab+0x64/0x78 [ 411.009615][ T4318] should_failslab+0x10/0x28 [ 411.010798][ T4318] slab_pre_alloc_hook+0x54/0x1f4 [ 411.012171][ T4318] kmem_cache_alloc_lru+0x60/0x2ac [ 411.013498][ T4318] alloc_inode+0x7c/0x104 [ 411.014622][ T4318] new_inode+0x2c/0xc0 [ 411.015682][ T4318] debugfs_create_dir+0x98/0x1e0 [ 411.016971][ T4318] nbd_start_device+0x1b4/0x510 [ 411.018230][ T4318] nbd_ioctl+0x228/0x66c [ 411.019337][ T4318] blkdev_ioctl+0x218/0x664 [ 411.020487][ T4318] __arm64_sys_ioctl+0xd0/0x148 [ 411.021720][ T4318] invoke_syscall+0x64/0x178 [ 411.022949][ T4318] el0_svc_common+0xb8/0x174 [ 411.024118][ T4318] do_el0_svc+0x48/0x174 [ 411.025191][ T4318] el0_svc+0x34/0x110 [ 411.026204][ T4318] el0t_64_sync_handler+0x84/0xf0 [ 411.027539][ T4318] el0t_64_sync+0x18c/0x190 [ 411.028718][ T4318] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.030786][ T4318] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.152836][ T4318] block nbd0: shutting down sockets [ 411.233561][ T4320] FAULT_INJECTION: forcing a failure. [ 411.233561][ T4320] name failslab, interval 1, probability 0, space 0, times 0 [ 411.236910][ T4320] CPU: 0 PID: 4320 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 411.239564][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 411.242151][ T4320] Call trace: [ 411.243036][ T4320] dump_backtrace+0x1c8/0x1f4 [ 411.244241][ T4320] show_stack+0x2c/0x3c [ 411.245295][ T4320] dump_stack_lvl+0xc0/0x104 [ 411.246481][ T4320] dump_stack+0x1c/0x4c [ 411.247522][ T4320] should_fail_ex+0x1bc/0x1e0 [ 411.248710][ T4320] __should_failslab+0x64/0x78 [ 411.249901][ T4320] should_failslab+0x10/0x28 [ 411.251167][ T4320] slab_pre_alloc_hook+0x54/0x1f4 [ 411.252535][ T4320] kmem_cache_alloc_lru+0x60/0x2ac [ 411.253846][ T4320] alloc_inode+0x7c/0x104 [ 411.255054][ T4320] new_inode+0x2c/0xc0 [ 411.256127][ T4320] debugfs_create_dir+0x98/0x1e0 [ 411.257414][ T4320] nbd_start_device+0x1b4/0x510 [ 411.258727][ T4320] nbd_ioctl+0x228/0x66c [ 411.259824][ T4320] blkdev_ioctl+0x218/0x664 [ 411.261013][ T4320] __arm64_sys_ioctl+0xd0/0x148 [ 411.262260][ T4320] invoke_syscall+0x64/0x178 [ 411.263470][ T4320] el0_svc_common+0xb8/0x174 [ 411.264627][ T4320] do_el0_svc+0x48/0x174 [ 411.265636][ T4320] el0_svc+0x34/0x110 [ 411.266664][ T4320] el0t_64_sync_handler+0x84/0xf0 [ 411.267964][ T4320] el0t_64_sync+0x18c/0x190 [ 411.269110][ T4320] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.271059][ T4320] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.392933][ T4320] block nbd0: shutting down sockets [ 411.473560][ T4322] FAULT_INJECTION: forcing a failure. [ 411.473560][ T4322] name failslab, interval 1, probability 0, space 0, times 0 [ 411.476784][ T4322] CPU: 0 PID: 4322 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 411.479355][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 411.481967][ T4322] Call trace: [ 411.482760][ T4322] dump_backtrace+0x1c8/0x1f4 [ 411.483967][ T4322] show_stack+0x2c/0x3c [ 411.485027][ T4322] dump_stack_lvl+0xc0/0x104 [ 411.486216][ T4322] dump_stack+0x1c/0x4c [ 411.487258][ T4322] should_fail_ex+0x1bc/0x1e0 [ 411.488508][ T4322] __should_failslab+0x64/0x78 [ 411.489732][ T4322] should_failslab+0x10/0x28 [ 411.490922][ T4322] slab_pre_alloc_hook+0x54/0x1f4 [ 411.492180][ T4322] kmem_cache_alloc_lru+0x60/0x2ac [ 411.493548][ T4322] alloc_inode+0x7c/0x104 [ 411.494698][ T4322] new_inode+0x2c/0xc0 [ 411.495782][ T4322] debugfs_create_dir+0x98/0x1e0 [ 411.497068][ T4322] nbd_start_device+0x1b4/0x510 [ 411.498348][ T4322] nbd_ioctl+0x228/0x66c [ 411.499430][ T4322] blkdev_ioctl+0x218/0x664 [ 411.500610][ T4322] __arm64_sys_ioctl+0xd0/0x148 [ 411.501834][ T4322] invoke_syscall+0x64/0x178 [ 411.503061][ T4322] el0_svc_common+0xb8/0x174 [ 411.504245][ T4322] do_el0_svc+0x48/0x174 [ 411.505333][ T4322] el0_svc+0x34/0x110 [ 411.506385][ T4322] el0t_64_sync_handler+0x84/0xf0 [ 411.507654][ T4322] el0t_64_sync+0x18c/0x190 [ 411.508857][ T4322] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.510826][ T4322] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.632196][ T4322] block nbd0: shutting down sockets [ 411.713554][ T4324] FAULT_INJECTION: forcing a failure. [ 411.713554][ T4324] name failslab, interval 1, probability 0, space 0, times 0 [ 411.716699][ T4324] CPU: 0 PID: 4324 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 411.719373][ T4324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 411.721928][ T4324] Call trace: [ 411.722791][ T4324] dump_backtrace+0x1c8/0x1f4 [ 411.723948][ T4324] show_stack+0x2c/0x3c [ 411.724998][ T4324] dump_stack_lvl+0xc0/0x104 [ 411.726149][ T4324] dump_stack+0x1c/0x4c [ 411.727218][ T4324] should_fail_ex+0x1bc/0x1e0 [ 411.728372][ T4324] __should_failslab+0x64/0x78 [ 411.729577][ T4324] should_failslab+0x10/0x28 [ 411.730738][ T4324] slab_pre_alloc_hook+0x54/0x1f4 [ 411.731975][ T4324] kmem_cache_alloc_lru+0x60/0x2ac [ 411.733317][ T4324] alloc_inode+0x7c/0x104 [ 411.734431][ T4324] new_inode+0x2c/0xc0 [ 411.735446][ T4324] debugfs_create_dir+0x98/0x1e0 [ 411.736728][ T4324] nbd_start_device+0x1b4/0x510 [ 411.738007][ T4324] nbd_ioctl+0x228/0x66c [ 411.739073][ T4324] blkdev_ioctl+0x218/0x664 [ 411.740273][ T4324] __arm64_sys_ioctl+0xd0/0x148 [ 411.741659][ T4324] invoke_syscall+0x64/0x178 [ 411.742838][ T4324] el0_svc_common+0xb8/0x174 [ 411.744034][ T4324] do_el0_svc+0x48/0x174 [ 411.745082][ T4324] el0_svc+0x34/0x110 [ 411.746153][ T4324] el0t_64_sync_handler+0x84/0xf0 [ 411.747494][ T4324] el0t_64_sync+0x18c/0x190 [ 411.748745][ T4324] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.750742][ T4324] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.872035][ T4324] block nbd0: shutting down sockets [ 411.953441][ T4326] FAULT_INJECTION: forcing a failure. [ 411.953441][ T4326] name failslab, interval 1, probability 0, space 0, times 0 [ 411.956650][ T4326] CPU: 0 PID: 4326 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 411.959346][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 411.961939][ T4326] Call trace: [ 411.962822][ T4326] dump_backtrace+0x1c8/0x1f4 [ 411.964037][ T4326] show_stack+0x2c/0x3c [ 411.965073][ T4326] dump_stack_lvl+0xc0/0x104 [ 411.966256][ T4326] dump_stack+0x1c/0x4c [ 411.967383][ T4326] should_fail_ex+0x1bc/0x1e0 [ 411.968596][ T4326] __should_failslab+0x64/0x78 [ 411.969813][ T4326] should_failslab+0x10/0x28 [ 411.970994][ T4326] slab_pre_alloc_hook+0x54/0x1f4 [ 411.972282][ T4326] kmem_cache_alloc_lru+0x60/0x2ac [ 411.973554][ T4326] alloc_inode+0x7c/0x104 [ 411.974691][ T4326] new_inode+0x2c/0xc0 [ 411.975716][ T4326] debugfs_create_dir+0x98/0x1e0 [ 411.976931][ T4326] nbd_start_device+0x1b4/0x510 [ 411.978234][ T4326] nbd_ioctl+0x228/0x66c [ 411.979299][ T4326] blkdev_ioctl+0x218/0x664 [ 411.980524][ T4326] __arm64_sys_ioctl+0xd0/0x148 [ 411.981722][ T4326] invoke_syscall+0x64/0x178 [ 411.982898][ T4326] el0_svc_common+0xb8/0x174 [ 411.984052][ T4326] do_el0_svc+0x48/0x174 [ 411.985169][ T4326] el0_svc+0x34/0x110 [ 411.986264][ T4326] el0t_64_sync_handler+0x84/0xf0 [ 411.987529][ T4326] el0t_64_sync+0x18c/0x190 [ 411.988755][ T4326] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.990717][ T4326] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.112233][ T4326] block nbd0: shutting down sockets [ 412.213278][ T4329] FAULT_INJECTION: forcing a failure. [ 412.213278][ T4329] name failslab, interval 1, probability 0, space 0, times 0 [ 412.216709][ T4329] CPU: 0 PID: 4329 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 412.219192][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 412.221720][ T4329] Call trace: [ 412.222527][ T4329] dump_backtrace+0x1c8/0x1f4 [ 412.223691][ T4329] show_stack+0x2c/0x3c [ 412.224744][ T4329] dump_stack_lvl+0xc0/0x104 [ 412.225949][ T4329] dump_stack+0x1c/0x4c [ 412.227034][ T4329] should_fail_ex+0x1bc/0x1e0 [ 412.228244][ T4329] __should_failslab+0x64/0x78 [ 412.229547][ T4329] should_failslab+0x10/0x28 [ 412.230731][ T4329] slab_pre_alloc_hook+0x54/0x1f4 [ 412.232019][ T4329] kmem_cache_alloc_lru+0x60/0x2ac [ 412.233347][ T4329] alloc_inode+0x7c/0x104 [ 412.234536][ T4329] new_inode+0x2c/0xc0 [ 412.235587][ T4329] debugfs_create_dir+0x98/0x1e0 [ 412.236883][ T4329] nbd_start_device+0x1b4/0x510 [ 412.238125][ T4329] nbd_ioctl+0x228/0x66c [ 412.239266][ T4329] blkdev_ioctl+0x218/0x664 [ 412.240463][ T4329] __arm64_sys_ioctl+0xd0/0x148 [ 412.241702][ T4329] invoke_syscall+0x64/0x178 [ 412.242902][ T4329] el0_svc_common+0xb8/0x174 [ 412.244114][ T4329] do_el0_svc+0x48/0x174 [ 412.245201][ T4329] el0_svc+0x34/0x110 [ 412.246246][ T4329] el0t_64_sync_handler+0x84/0xf0 [ 412.247636][ T4329] el0t_64_sync+0x18c/0x190 [ 412.248833][ T4329] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.250801][ T4329] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.363507][ T4329] block nbd0: shutting down sockets [ 412.493256][ T4332] block nbd0: Device being setup by another task [ 412.534902][ T4331] FAULT_INJECTION: forcing a failure. [ 412.534902][ T4331] name failslab, interval 1, probability 0, space 0, times 0 [ 412.538354][ T4331] CPU: 0 PID: 4331 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 412.540835][ T4331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 412.543529][ T4331] Call trace: [ 412.544331][ T4331] dump_backtrace+0x1c8/0x1f4 [ 412.545527][ T4331] show_stack+0x2c/0x3c [ 412.546619][ T4331] dump_stack_lvl+0xc0/0x104 [ 412.547818][ T4331] dump_stack+0x1c/0x4c [ 412.548922][ T4331] should_fail_ex+0x1bc/0x1e0 [ 412.550079][ T4331] __should_failslab+0x64/0x78 [ 412.551400][ T4331] should_failslab+0x10/0x28 [ 412.552579][ T4331] __kmem_cache_alloc_node+0x6c/0x348 [ 412.553978][ T4331] __kmalloc_node_track_caller+0x84/0xc0 [ 412.555513][ T4331] kstrdup_const+0x90/0xdc [ 412.556609][ T4331] __kernfs_new_node+0x5c/0x2e8 [ 412.557845][ T4331] kernfs_create_dir_ns+0xac/0x188 [ 412.559140][ T4331] sysfs_create_dir_ns+0x8c/0x168 [ 412.560517][ T4331] kobject_add_internal+0x314/0x64c [ 412.561874][ T4331] kobject_add+0xb8/0x130 [ 412.562988][ T4331] blk_mq_register_hctx+0x54/0x184 [ 412.564359][ T4331] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 412.565837][ T4331] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 412.567408][ T4331] nbd_start_device+0xc4/0x510 [ 412.568710][ T4331] nbd_ioctl+0x228/0x66c [ 412.569760][ T4331] blkdev_ioctl+0x218/0x664 [ 412.570922][ T4331] __arm64_sys_ioctl+0xd0/0x148 [ 412.572165][ T4331] invoke_syscall+0x64/0x178 [ 412.573370][ T4331] el0_svc_common+0xb8/0x174 [ 412.574563][ T4331] do_el0_svc+0x48/0x174 [ 412.575714][ T4331] el0_svc+0x34/0x110 [ 412.576749][ T4331] el0t_64_sync_handler+0x84/0xf0 [ 412.578047][ T4331] el0t_64_sync+0x18c/0x190 [ 412.579299][ T4331] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 412.636119][ T4331] block nbd0: shutting down sockets [ 412.753220][ T4335] block nbd0: Device being setup by another task [ 412.755050][ T4334] FAULT_INJECTION: forcing a failure. [ 412.755050][ T4334] name failslab, interval 1, probability 0, space 0, times 0 [ 412.758343][ T4334] CPU: 0 PID: 4334 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 412.760903][ T4334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 412.763484][ T4334] Call trace: [ 412.764352][ T4334] dump_backtrace+0x1c8/0x1f4 [ 412.765630][ T4334] show_stack+0x2c/0x3c [ 412.766731][ T4334] dump_stack_lvl+0xc0/0x104 [ 412.767825][ T4334] dump_stack+0x1c/0x4c [ 412.768948][ T4334] should_fail_ex+0x1bc/0x1e0 [ 412.770180][ T4334] __should_failslab+0x64/0x78 [ 412.771393][ T4334] should_failslab+0x10/0x28 [ 412.772551][ T4334] slab_pre_alloc_hook+0x54/0x1f4 [ 412.773804][ T4334] kmem_cache_alloc_lru+0x60/0x2ac [ 412.775115][ T4334] alloc_inode+0x7c/0x104 [ 412.776279][ T4334] new_inode+0x2c/0xc0 [ 412.777365][ T4334] debugfs_create_dir+0x98/0x1e0 [ 412.778606][ T4334] nbd_start_device+0x1b4/0x510 [ 412.779893][ T4334] nbd_ioctl+0x228/0x66c [ 412.780979][ T4334] blkdev_ioctl+0x218/0x664 [ 412.782137][ T4334] __arm64_sys_ioctl+0xd0/0x148 [ 412.783365][ T4334] invoke_syscall+0x64/0x178 [ 412.784532][ T4334] el0_svc_common+0xb8/0x174 [ 412.785733][ T4334] do_el0_svc+0x48/0x174 [ 412.786799][ T4334] el0_svc+0x34/0x110 [ 412.787810][ T4334] el0t_64_sync_handler+0x84/0xf0 [ 412.789112][ T4334] el0t_64_sync+0x18c/0x190 [ 412.790279][ T4334] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.792349][ T4334] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.905539][ T4334] block nbd0: shutting down sockets [ 413.073218][ T4338] block nbd0: Device being setup by another task [ 413.075033][ T4337] FAULT_INJECTION: forcing a failure. [ 413.075033][ T4337] name failslab, interval 1, probability 0, space 0, times 0 [ 413.078276][ T4337] CPU: 0 PID: 4337 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 413.080804][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 413.083331][ T4337] Call trace: [ 413.084122][ T4337] dump_backtrace+0x1c8/0x1f4 [ 413.085373][ T4337] show_stack+0x2c/0x3c [ 413.086459][ T4337] dump_stack_lvl+0xc0/0x104 [ 413.087611][ T4337] dump_stack+0x1c/0x4c [ 413.088663][ T4337] should_fail_ex+0x1bc/0x1e0 [ 413.089897][ T4337] __should_failslab+0x64/0x78 [ 413.091159][ T4337] should_failslab+0x10/0x28 [ 413.092358][ T4337] slab_pre_alloc_hook+0x54/0x1f4 [ 413.093652][ T4337] kmem_cache_alloc_lru+0x60/0x2ac [ 413.094901][ T4337] alloc_inode+0x7c/0x104 [ 413.096012][ T4337] new_inode+0x2c/0xc0 [ 413.097039][ T4337] debugfs_create_dir+0x98/0x1e0 [ 413.098355][ T4337] nbd_start_device+0x1b4/0x510 [ 413.099624][ T4337] nbd_ioctl+0x228/0x66c [ 413.100687][ T4337] blkdev_ioctl+0x218/0x664 [ 413.101869][ T4337] __arm64_sys_ioctl+0xd0/0x148 [ 413.103068][ T4337] invoke_syscall+0x64/0x178 [ 413.104204][ T4337] el0_svc_common+0xb8/0x174 [ 413.105375][ T4337] do_el0_svc+0x48/0x174 [ 413.106414][ T4337] el0_svc+0x34/0x110 [ 413.107382][ T4337] el0t_64_sync_handler+0x84/0xf0 [ 413.108854][ T4337] el0t_64_sync+0x18c/0x190 [ 413.110120][ T4337] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.112119][ T4337] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.174699][ T4337] block nbd0: shutting down sockets [ 413.305290][ T4340] ------------[ cut here ]------------ [ 413.306726][ T4340] kernfs: can not remove 'nr_tags', no directory [ 413.308469][ T4340] WARNING: CPU: 0 PID: 4340 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.310959][ T4340] Modules linked in: [ 413.311941][ T4340] CPU: 0 PID: 4340 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 413.314463][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 413.317026][ T4340] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.319057][ T4340] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.320584][ T4340] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.322106][ T4340] sp : ffff80000decbac0 [ 413.323124][ T4340] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 413.325161][ T4340] x26: ffff0000c6a5bd08 x25: ffff80000decbbe8 x24: ffff0001ffb98f80 [ 413.327157][ T4340] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 413.329172][ T4340] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.331169][ T4340] x17: ffff80000d3d0688 x16: 0000000000001156 x15: 0000000000000000 [ 413.333342][ T4340] x14: 0000000000000000 x13: 205d303433345420 x12: ffff80000d194000 [ 413.335414][ T4340] x11: 0000000000ff0100 x10: 0000000000000000 x9 : aafd49244e03b900 [ 413.337480][ T4340] x8 : aafd49244e03b900 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 413.339620][ T4340] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.341682][ T4340] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.343735][ T4340] Call trace: [ 413.344591][ T4340] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.345983][ T4340] sysfs_remove_group+0x68/0x160 [ 413.347313][ T4340] sysfs_remove_groups+0x3c/0x78 [ 413.348550][ T4340] __kobject_del+0x34/0x134 [ 413.349704][ T4340] kobject_del+0x2c/0x4c [ 413.350802][ T4340] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.352373][ T4340] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.353852][ T4340] nbd_start_device+0xc4/0x510 [ 413.355065][ T4340] nbd_ioctl+0x228/0x66c [ 413.356209][ T4340] blkdev_ioctl+0x218/0x664 [ 413.357340][ T4340] __arm64_sys_ioctl+0xd0/0x148 [ 413.358557][ T4340] invoke_syscall+0x64/0x178 [ 413.359702][ T4340] el0_svc_common+0xb8/0x174 [ 413.360882][ T4340] do_el0_svc+0x48/0x174 [ 413.361940][ T4340] el0_svc+0x34/0x110 [ 413.362920][ T4340] el0t_64_sync_handler+0x84/0xf0 [ 413.364272][ T4340] el0t_64_sync+0x18c/0x190 [ 413.365441][ T4340] ---[ end trace 0000000000000000 ]--- [ 413.366921][ T4340] ------------[ cut here ]------------ [ 413.368311][ T4340] kernfs: can not remove 'nr_reserved_tags', no directory [ 413.370125][ T4340] WARNING: CPU: 0 PID: 4340 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.372620][ T4340] Modules linked in: [ 413.373561][ T4340] CPU: 0 PID: 4340 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 413.376140][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 413.378641][ T4340] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.380690][ T4340] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.382219][ T4340] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.383782][ T4340] sp : ffff80000decbac0 [ 413.384904][ T4340] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 413.386968][ T4340] x26: ffff0000c6a5bd08 x25: ffff80000decbbe8 x24: ffff0001ffb98f80 [ 413.389066][ T4340] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 413.391119][ T4340] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.393121][ T4340] x17: ffff80000d3d0688 x16: 0000000000001156 x15: 0000000000000000 [ 413.395179][ T4340] x14: 0000000000000000 x13: 205d303433345420 x12: ffff80000d194000 [ 413.397233][ T4340] x11: 0000000000ff0100 x10: 0000000000000000 x9 : aafd49244e03b900 [ 413.399266][ T4340] x8 : aafd49244e03b900 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 413.401330][ T4340] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.403391][ T4340] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.405474][ T4340] Call trace: [ 413.406331][ T4340] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.407700][ T4340] sysfs_remove_group+0x68/0x160 [ 413.408974][ T4340] sysfs_remove_groups+0x3c/0x78 [ 413.410244][ T4340] __kobject_del+0x34/0x134 [ 413.411458][ T4340] kobject_del+0x2c/0x4c [ 413.412538][ T4340] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.414073][ T4340] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.415500][ T4340] nbd_start_device+0xc4/0x510 [ 413.416705][ T4340] nbd_ioctl+0x228/0x66c [ 413.417754][ T4340] blkdev_ioctl+0x218/0x664 [ 413.418914][ T4340] __arm64_sys_ioctl+0xd0/0x148 [ 413.420153][ T4340] invoke_syscall+0x64/0x178 [ 413.421346][ T4340] el0_svc_common+0xb8/0x174 [ 413.422520][ T4340] do_el0_svc+0x48/0x174 [ 413.423607][ T4340] el0_svc+0x34/0x110 [ 413.424708][ T4340] el0t_64_sync_handler+0x84/0xf0 [ 413.425924][ T4340] el0t_64_sync+0x18c/0x190 [ 413.427140][ T4340] ---[ end trace 0000000000000000 ]--- [ 413.428598][ T4340] ------------[ cut here ]------------ [ 413.429971][ T4340] kernfs: can not remove 'cpu_list', no directory [ 413.431700][ T4340] WARNING: CPU: 0 PID: 4340 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.434197][ T4340] Modules linked in: [ 413.435210][ T4340] CPU: 0 PID: 4340 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 413.437777][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 413.440515][ T4340] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.442551][ T4340] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.444070][ T4340] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.445867][ T4340] sp : ffff80000decbac0 [ 413.446925][ T4340] x29: ffff80000decbac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 413.449017][ T4340] x26: ffff0000c6a5bd08 x25: ffff80000decbbe8 x24: ffff0001ffb98f80 [ 413.451097][ T4340] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 413.453326][ T4340] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.455434][ T4340] x17: ffff80000d3d0688 x16: 0000000000001156 x15: 0000000000000000 [ 413.457489][ T4340] x14: 0000000000000000 x13: 205d303433345420 x12: ffff80000d194000 [ 413.459464][ T4340] x11: 0000000000ff0100 x10: 0000000000000000 x9 : aafd49244e03b900 [ 413.461540][ T4340] x8 : aafd49244e03b900 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 413.463604][ T4340] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.465676][ T4340] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.467765][ T4340] Call trace: [ 413.468644][ T4340] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.470108][ T4340] sysfs_remove_group+0x68/0x160 [ 413.471422][ T4340] sysfs_remove_groups+0x3c/0x78 [ 413.472699][ T4340] __kobject_del+0x34/0x134 [ 413.473851][ T4340] kobject_del+0x2c/0x4c [ 413.474961][ T4340] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.476529][ T4340] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.478074][ T4340] nbd_start_device+0xc4/0x510 [ 413.479326][ T4340] nbd_ioctl+0x228/0x66c [ 413.480407][ T4340] blkdev_ioctl+0x218/0x664 [ 413.481535][ T4340] __arm64_sys_ioctl+0xd0/0x148 [ 413.482807][ T4340] invoke_syscall+0x64/0x178 [ 413.484032][ T4340] el0_svc_common+0xb8/0x174 [ 413.485247][ T4340] do_el0_svc+0x48/0x174 [ 413.486357][ T4340] el0_svc+0x34/0x110 [ 413.487360][ T4340] el0t_64_sync_handler+0x84/0xf0 [ 413.488666][ T4340] el0t_64_sync+0x18c/0x190 [ 413.489834][ T4340] ---[ end trace 0000000000000000 ]--- [ 413.493641][ T4340] block nbd0: shutting down sockets [ 413.573479][ T4342] FAULT_INJECTION: forcing a failure. [ 413.573479][ T4342] name failslab, interval 1, probability 0, space 0, times 0 [ 413.576813][ T4342] CPU: 1 PID: 4342 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 413.579287][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 413.581858][ T4342] Call trace: [ 413.582630][ T4342] dump_backtrace+0x1c8/0x1f4 [ 413.583897][ T4342] show_stack+0x2c/0x3c [ 413.584993][ T4342] dump_stack_lvl+0xc0/0x104 [ 413.586163][ T4342] dump_stack+0x1c/0x4c [ 413.587275][ T4342] should_fail_ex+0x1bc/0x1e0 [ 413.588575][ T4342] __should_failslab+0x64/0x78 [ 413.589814][ T4342] should_failslab+0x10/0x28 [ 413.590991][ T4342] slab_pre_alloc_hook+0x54/0x1f4 [ 413.592274][ T4342] kmem_cache_alloc_lru+0x60/0x2ac [ 413.593610][ T4342] alloc_inode+0x7c/0x104 [ 413.594758][ T4342] new_inode+0x2c/0xc0 [ 413.595836][ T4342] debugfs_create_dir+0x98/0x1e0 [ 413.597156][ T4342] nbd_start_device+0x1b4/0x510 [ 413.598434][ T4342] nbd_ioctl+0x228/0x66c [ 413.599593][ T4342] blkdev_ioctl+0x218/0x664 [ 413.600808][ T4342] __arm64_sys_ioctl+0xd0/0x148 [ 413.602063][ T4342] invoke_syscall+0x64/0x178 [ 413.603226][ T4342] el0_svc_common+0xb8/0x174 [ 413.604464][ T4342] do_el0_svc+0x48/0x174 [ 413.605620][ T4342] el0_svc+0x34/0x110 [ 413.606631][ T4342] el0t_64_sync_handler+0x84/0xf0 [ 413.607960][ T4342] el0t_64_sync+0x18c/0x190 [ 413.609115][ T4342] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.611106][ T4342] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.732276][ T4342] block nbd0: shutting down sockets [ 413.813491][ T4344] FAULT_INJECTION: forcing a failure. [ 413.813491][ T4344] name failslab, interval 1, probability 0, space 0, times 0 [ 413.816735][ T4344] CPU: 1 PID: 4344 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 413.819289][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 413.821992][ T4344] Call trace: [ 413.822742][ T4344] dump_backtrace+0x1c8/0x1f4 [ 413.823940][ T4344] show_stack+0x2c/0x3c [ 413.825009][ T4344] dump_stack_lvl+0xc0/0x104 [ 413.826208][ T4344] dump_stack+0x1c/0x4c [ 413.827332][ T4344] should_fail_ex+0x1bc/0x1e0 [ 413.828549][ T4344] __should_failslab+0x64/0x78 [ 413.829748][ T4344] should_failslab+0x10/0x28 [ 413.830967][ T4344] slab_pre_alloc_hook+0x54/0x1f4 [ 413.832371][ T4344] kmem_cache_alloc_lru+0x60/0x2ac [ 413.833708][ T4344] alloc_inode+0x7c/0x104 [ 413.834819][ T4344] new_inode+0x2c/0xc0 [ 413.835881][ T4344] debugfs_create_dir+0x98/0x1e0 [ 413.837067][ T4344] nbd_start_device+0x1b4/0x510 [ 413.838345][ T4344] nbd_ioctl+0x228/0x66c [ 413.839438][ T4344] blkdev_ioctl+0x218/0x664 [ 413.840563][ T4344] __arm64_sys_ioctl+0xd0/0x148 [ 413.841780][ T4344] invoke_syscall+0x64/0x178 [ 413.842931][ T4344] el0_svc_common+0xb8/0x174 [ 413.844130][ T4344] do_el0_svc+0x48/0x174 [ 413.845230][ T4344] el0_svc+0x34/0x110 [ 413.846306][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 413.847592][ T4344] el0t_64_sync+0x18c/0x190 [ 413.848862][ T4344] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.851004][ T4344] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.972976][ T4344] block nbd0: shutting down sockets [ 414.053533][ T4346] FAULT_INJECTION: forcing a failure. [ 414.053533][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 414.056935][ T4346] CPU: 1 PID: 4346 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 414.059470][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 414.061991][ T4346] Call trace: [ 414.062821][ T4346] dump_backtrace+0x1c8/0x1f4 [ 414.064008][ T4346] show_stack+0x2c/0x3c [ 414.065044][ T4346] dump_stack_lvl+0xc0/0x104 [ 414.066316][ T4346] dump_stack+0x1c/0x4c [ 414.067396][ T4346] should_fail_ex+0x1bc/0x1e0 [ 414.068579][ T4346] __should_failslab+0x64/0x78 [ 414.069765][ T4346] should_failslab+0x10/0x28 [ 414.070945][ T4346] slab_pre_alloc_hook+0x54/0x1f4 [ 414.072271][ T4346] kmem_cache_alloc_lru+0x60/0x2ac [ 414.073578][ T4346] alloc_inode+0x7c/0x104 [ 414.074642][ T4346] new_inode+0x2c/0xc0 [ 414.075697][ T4346] debugfs_create_dir+0x98/0x1e0 [ 414.076951][ T4346] nbd_start_device+0x1b4/0x510 [ 414.078232][ T4346] nbd_ioctl+0x228/0x66c [ 414.079386][ T4346] blkdev_ioctl+0x218/0x664 [ 414.080602][ T4346] __arm64_sys_ioctl+0xd0/0x148 [ 414.081841][ T4346] invoke_syscall+0x64/0x178 [ 414.082939][ T4346] el0_svc_common+0xb8/0x174 [ 414.084166][ T4346] do_el0_svc+0x48/0x174 [ 414.085296][ T4346] el0_svc+0x34/0x110 [ 414.086359][ T4346] el0t_64_sync_handler+0x84/0xf0 [ 414.087694][ T4346] el0t_64_sync+0x18c/0x190 [ 414.088988][ T4346] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.090913][ T4346] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.211870][ T4346] block nbd0: shutting down sockets [ 414.293546][ T4348] FAULT_INJECTION: forcing a failure. [ 414.293546][ T4348] name failslab, interval 1, probability 0, space 0, times 0 [ 414.296894][ T4348] CPU: 0 PID: 4348 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 414.299469][ T4348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 414.302134][ T4348] Call trace: [ 414.303006][ T4348] dump_backtrace+0x1c8/0x1f4 [ 414.304300][ T4348] show_stack+0x2c/0x3c [ 414.305405][ T4348] dump_stack_lvl+0xc0/0x104 [ 414.306575][ T4348] dump_stack+0x1c/0x4c [ 414.307742][ T4348] should_fail_ex+0x1bc/0x1e0 [ 414.308991][ T4348] __should_failslab+0x64/0x78 [ 414.310213][ T4348] should_failslab+0x10/0x28 [ 414.311401][ T4348] slab_pre_alloc_hook+0x54/0x1f4 [ 414.312732][ T4348] kmem_cache_alloc_lru+0x60/0x2ac [ 414.314010][ T4348] alloc_inode+0x7c/0x104 [ 414.315167][ T4348] new_inode+0x2c/0xc0 [ 414.316251][ T4348] debugfs_create_dir+0x98/0x1e0 [ 414.317506][ T4348] nbd_start_device+0x1b4/0x510 [ 414.318728][ T4348] nbd_ioctl+0x228/0x66c [ 414.319820][ T4348] blkdev_ioctl+0x218/0x664 [ 414.321019][ T4348] __arm64_sys_ioctl+0xd0/0x148 [ 414.322306][ T4348] invoke_syscall+0x64/0x178 [ 414.323474][ T4348] el0_svc_common+0xb8/0x174 [ 414.324650][ T4348] do_el0_svc+0x48/0x174 [ 414.325740][ T4348] el0_svc+0x34/0x110 [ 414.326792][ T4348] el0t_64_sync_handler+0x84/0xf0 [ 414.328103][ T4348] el0t_64_sync+0x18c/0x190 [ 414.329349][ T4348] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.331339][ T4348] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.451642][ T4348] block nbd0: shutting down sockets [ 414.583265][ T4351] block nbd0: Device being setup by another task [ 414.625024][ T4350] FAULT_INJECTION: forcing a failure. [ 414.625024][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 414.628467][ T4350] CPU: 1 PID: 4350 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 414.631089][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 414.633708][ T4350] Call trace: [ 414.634571][ T4350] dump_backtrace+0x1c8/0x1f4 [ 414.635788][ T4350] show_stack+0x2c/0x3c [ 414.636888][ T4350] dump_stack_lvl+0xc0/0x104 [ 414.638072][ T4350] dump_stack+0x1c/0x4c [ 414.639182][ T4350] should_fail_ex+0x1bc/0x1e0 [ 414.640403][ T4350] __should_failslab+0x64/0x78 [ 414.641646][ T4350] should_failslab+0x10/0x28 [ 414.642832][ T4350] __kmem_cache_alloc_node+0x6c/0x348 [ 414.644229][ T4350] __kmalloc_node_track_caller+0x84/0xc0 [ 414.645681][ T4350] kstrdup_const+0x90/0xdc [ 414.646820][ T4350] __kernfs_new_node+0x5c/0x2e8 [ 414.648104][ T4350] kernfs_create_dir_ns+0xac/0x188 [ 414.649407][ T4350] sysfs_create_dir_ns+0x8c/0x168 [ 414.650724][ T4350] kobject_add_internal+0x314/0x64c [ 414.652084][ T4350] kobject_add+0xb8/0x130 [ 414.653223][ T4350] blk_mq_register_hctx+0x54/0x184 [ 414.654541][ T4350] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 414.656098][ T4350] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 414.657602][ T4350] nbd_start_device+0xc4/0x510 [ 414.658824][ T4350] nbd_ioctl+0x228/0x66c [ 414.659900][ T4350] blkdev_ioctl+0x218/0x664 [ 414.661076][ T4350] __arm64_sys_ioctl+0xd0/0x148 [ 414.662347][ T4350] invoke_syscall+0x64/0x178 [ 414.663503][ T4350] el0_svc_common+0xb8/0x174 [ 414.664711][ T4350] do_el0_svc+0x48/0x174 [ 414.665810][ T4350] el0_svc+0x34/0x110 [ 414.666846][ T4350] el0t_64_sync_handler+0x84/0xf0 [ 414.668132][ T4350] el0t_64_sync+0x18c/0x190 [ 414.669396][ T4350] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 414.725150][ T4350] block nbd0: shutting down sockets [ 414.873247][ T4354] block nbd0: Device being setup by another task [ 414.875072][ T4353] FAULT_INJECTION: forcing a failure. [ 414.875072][ T4353] name failslab, interval 1, probability 0, space 0, times 0 [ 414.878408][ T4353] CPU: 0 PID: 4353 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 414.880984][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 414.883587][ T4353] Call trace: [ 414.884437][ T4353] dump_backtrace+0x1c8/0x1f4 [ 414.885676][ T4353] show_stack+0x2c/0x3c [ 414.886766][ T4353] dump_stack_lvl+0xc0/0x104 [ 414.887923][ T4353] dump_stack+0x1c/0x4c [ 414.889071][ T4353] should_fail_ex+0x1bc/0x1e0 [ 414.890271][ T4353] __should_failslab+0x64/0x78 [ 414.891540][ T4353] should_failslab+0x10/0x28 [ 414.892730][ T4353] slab_pre_alloc_hook+0x54/0x1f4 [ 414.893999][ T4353] kmem_cache_alloc_lru+0x60/0x2ac [ 414.895307][ T4353] alloc_inode+0x7c/0x104 [ 414.896440][ T4353] new_inode+0x2c/0xc0 [ 414.897446][ T4353] debugfs_create_dir+0x98/0x1e0 [ 414.898792][ T4353] nbd_start_device+0x1b4/0x510 [ 414.900045][ T4353] nbd_ioctl+0x228/0x66c [ 414.901086][ T4353] blkdev_ioctl+0x218/0x664 [ 414.902255][ T4353] __arm64_sys_ioctl+0xd0/0x148 [ 414.903499][ T4353] invoke_syscall+0x64/0x178 [ 414.904688][ T4353] el0_svc_common+0xb8/0x174 [ 414.905854][ T4353] do_el0_svc+0x48/0x174 [ 414.906958][ T4353] el0_svc+0x34/0x110 [ 414.908025][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 414.909324][ T4353] el0t_64_sync+0x18c/0x190 [ 414.910587][ T4353] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.912662][ T4353] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.993965][ T4353] block nbd0: shutting down sockets [ 415.114518][ T4356] ------------[ cut here ]------------ [ 415.116013][ T4356] kernfs: can not remove 'nr_tags', no directory [ 415.117740][ T4356] WARNING: CPU: 0 PID: 4356 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.120231][ T4356] Modules linked in: [ 415.121212][ T4356] CPU: 0 PID: 4356 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 415.123947][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 415.126601][ T4356] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.128592][ T4356] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.130178][ T4356] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.131666][ T4356] sp : ffff80000dec3ac0 [ 415.132677][ T4356] x29: ffff80000dec3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 415.134781][ T4356] x26: ffff0000c6a5bd08 x25: ffff80000dec3be8 x24: ffff0000cb74d180 [ 415.136897][ T4356] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 415.138910][ T4356] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000010000 [ 415.141005][ T4356] x17: ffff80000d3d0688 x16: 0000000000001178 x15: 0000000000000000 [ 415.143003][ T4356] x14: 0000000000000000 x13: 205d363533345420 x12: ffff80000d194000 [ 415.145068][ T4356] x11: 0000000000ff0100 x10: 0000000000000000 x9 : b63319db27382d00 [ 415.147298][ T4356] x8 : b63319db27382d00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 415.149454][ T4356] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.151620][ T4356] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.153704][ T4356] Call trace: [ 415.154554][ T4356] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.155982][ T4356] sysfs_remove_group+0x68/0x160 [ 415.157282][ T4356] sysfs_remove_groups+0x3c/0x78 [ 415.158532][ T4356] __kobject_del+0x34/0x134 [ 415.159727][ T4356] kobject_del+0x2c/0x4c [ 415.160835][ T4356] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.162356][ T4356] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.163802][ T4356] nbd_start_device+0xc4/0x510 [ 415.165005][ T4356] nbd_ioctl+0x228/0x66c [ 415.166064][ T4356] blkdev_ioctl+0x218/0x664 [ 415.167259][ T4356] __arm64_sys_ioctl+0xd0/0x148 [ 415.168568][ T4356] invoke_syscall+0x64/0x178 [ 415.169722][ T4356] el0_svc_common+0xb8/0x174 [ 415.170861][ T4356] do_el0_svc+0x48/0x174 [ 415.171971][ T4356] el0_svc+0x34/0x110 [ 415.172985][ T4356] el0t_64_sync_handler+0x84/0xf0 [ 415.174387][ T4356] el0t_64_sync+0x18c/0x190 [ 415.175537][ T4356] ---[ end trace 0000000000000000 ]--- [ 415.177060][ T4356] ------------[ cut here ]------------ [ 415.178477][ T4356] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.180324][ T4356] WARNING: CPU: 0 PID: 4356 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.182808][ T4356] Modules linked in: [ 415.183824][ T4356] CPU: 0 PID: 4356 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 415.186434][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 415.189162][ T4356] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.191245][ T4356] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.192845][ T4356] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.194416][ T4356] sp : ffff80000dec3ac0 [ 415.195475][ T4356] x29: ffff80000dec3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 415.197629][ T4356] x26: ffff0000c6a5bd08 x25: ffff80000dec3be8 x24: ffff0000cb74d180 [ 415.199682][ T4356] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 415.201677][ T4356] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000010000 [ 415.203758][ T4356] x17: ffff80000d3d0688 x16: 0000000000001178 x15: 0000000000000000 [ 415.205855][ T4356] x14: 0000000000000000 x13: 205d363533345420 x12: ffff80000d194000 [ 415.207982][ T4356] x11: 0000000000ff0100 x10: 0000000000000000 x9 : b63319db27382d00 [ 415.210049][ T4356] x8 : b63319db27382d00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 415.212195][ T4356] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.214292][ T4356] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.216351][ T4356] Call trace: [ 415.217171][ T4356] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.218563][ T4356] sysfs_remove_group+0x68/0x160 [ 415.219937][ T4356] sysfs_remove_groups+0x3c/0x78 [ 415.221196][ T4356] __kobject_del+0x34/0x134 [ 415.222390][ T4356] kobject_del+0x2c/0x4c [ 415.223444][ T4356] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.224949][ T4356] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.226383][ T4356] nbd_start_device+0xc4/0x510 [ 415.227675][ T4356] nbd_ioctl+0x228/0x66c [ 415.228793][ T4356] blkdev_ioctl+0x218/0x664 [ 415.229996][ T4356] __arm64_sys_ioctl+0xd0/0x148 [ 415.231232][ T4356] invoke_syscall+0x64/0x178 [ 415.232435][ T4356] el0_svc_common+0xb8/0x174 [ 415.233634][ T4356] do_el0_svc+0x48/0x174 [ 415.234771][ T4356] el0_svc+0x34/0x110 [ 415.235801][ T4356] el0t_64_sync_handler+0x84/0xf0 [ 415.237118][ T4356] el0t_64_sync+0x18c/0x190 [ 415.238283][ T4356] ---[ end trace 0000000000000000 ]--- [ 415.239712][ T4356] ------------[ cut here ]------------ [ 415.241120][ T4356] kernfs: can not remove 'cpu_list', no directory [ 415.242865][ T4356] WARNING: CPU: 0 PID: 4356 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.245420][ T4356] Modules linked in: [ 415.246434][ T4356] CPU: 0 PID: 4356 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 415.249023][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 415.251613][ T4356] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.253676][ T4356] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.255158][ T4356] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.256721][ T4356] sp : ffff80000dec3ac0 [ 415.257799][ T4356] x29: ffff80000dec3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 415.259860][ T4356] x26: ffff0000c6a5bd08 x25: ffff80000dec3be8 x24: ffff0000cb74d180 [ 415.261870][ T4356] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 415.263944][ T4356] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000010000 [ 415.265971][ T4356] x17: ffff80000d3d0688 x16: 0000000000001178 x15: 0000000000000000 [ 415.268044][ T4356] x14: 0000000000000000 x13: 205d363533345420 x12: ffff80000d194000 [ 415.270062][ T4356] x11: 0000000000ff0100 x10: 0000000000000000 x9 : b63319db27382d00 [ 415.272115][ T4356] x8 : b63319db27382d00 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 415.274188][ T4356] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.276226][ T4356] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.278336][ T4356] Call trace: [ 415.279189][ T4356] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.280569][ T4356] sysfs_remove_group+0x68/0x160 [ 415.281810][ T4356] sysfs_remove_groups+0x3c/0x78 [ 415.283099][ T4356] __kobject_del+0x34/0x134 [ 415.284268][ T4356] kobject_del+0x2c/0x4c [ 415.285364][ T4356] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.286880][ T4356] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.288370][ T4356] nbd_start_device+0xc4/0x510 [ 415.289602][ T4356] nbd_ioctl+0x228/0x66c [ 415.290680][ T4356] blkdev_ioctl+0x218/0x664 [ 415.291828][ T4356] __arm64_sys_ioctl+0xd0/0x148 [ 415.293077][ T4356] invoke_syscall+0x64/0x178 [ 415.294298][ T4356] el0_svc_common+0xb8/0x174 [ 415.295453][ T4356] do_el0_svc+0x48/0x174 [ 415.296569][ T4356] el0_svc+0x34/0x110 [ 415.297574][ T4356] el0t_64_sync_handler+0x84/0xf0 [ 415.298855][ T4356] el0t_64_sync+0x18c/0x190 [ 415.300040][ T4356] ---[ end trace 0000000000000000 ]--- [ 415.303778][ T4356] block nbd0: shutting down sockets [ 415.433207][ T4359] block nbd0: Device being setup by another task [ 415.474801][ T4358] FAULT_INJECTION: forcing a failure. [ 415.474801][ T4358] name failslab, interval 1, probability 0, space 0, times 0 [ 415.478140][ T4358] CPU: 1 PID: 4358 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 415.480693][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 415.483278][ T4358] Call trace: [ 415.484143][ T4358] dump_backtrace+0x1c8/0x1f4 [ 415.485377][ T4358] show_stack+0x2c/0x3c [ 415.486469][ T4358] dump_stack_lvl+0xc0/0x104 [ 415.487615][ T4358] dump_stack+0x1c/0x4c [ 415.488667][ T4358] should_fail_ex+0x1bc/0x1e0 [ 415.489858][ T4358] __should_failslab+0x64/0x78 [ 415.491083][ T4358] should_failslab+0x10/0x28 [ 415.492269][ T4358] __kmem_cache_alloc_node+0x6c/0x348 [ 415.493604][ T4358] __kmalloc_node_track_caller+0x84/0xc0 [ 415.495065][ T4358] kstrdup_const+0x90/0xdc [ 415.496201][ T4358] __kernfs_new_node+0x5c/0x2e8 [ 415.497493][ T4358] kernfs_create_dir_ns+0xac/0x188 [ 415.498806][ T4358] sysfs_create_dir_ns+0x8c/0x168 [ 415.500080][ T4358] kobject_add_internal+0x314/0x64c [ 415.501471][ T4358] kobject_add+0xb8/0x130 [ 415.502558][ T4358] blk_mq_register_hctx+0x54/0x184 [ 415.503856][ T4358] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 415.505325][ T4358] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 415.506847][ T4358] nbd_start_device+0xc4/0x510 [ 415.508091][ T4358] nbd_ioctl+0x228/0x66c [ 415.509206][ T4358] blkdev_ioctl+0x218/0x664 [ 415.510472][ T4358] __arm64_sys_ioctl+0xd0/0x148 [ 415.511716][ T4358] invoke_syscall+0x64/0x178 [ 415.512882][ T4358] el0_svc_common+0xb8/0x174 [ 415.514047][ T4358] do_el0_svc+0x48/0x174 [ 415.515152][ T4358] el0_svc+0x34/0x110 [ 415.516185][ T4358] el0t_64_sync_handler+0x84/0xf0 [ 415.517455][ T4358] el0t_64_sync+0x18c/0x190 [ 415.518685][ T4358] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 415.575178][ T4358] block nbd0: shutting down sockets [ 415.723224][ T4362] block nbd0: Device being setup by another task [ 415.725060][ T4361] FAULT_INJECTION: forcing a failure. [ 415.725060][ T4361] name failslab, interval 1, probability 0, space 0, times 0 [ 415.728318][ T4361] CPU: 0 PID: 4361 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 415.730815][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 415.733414][ T4361] Call trace: [ 415.734202][ T4361] dump_backtrace+0x1c8/0x1f4 [ 415.735370][ T4361] show_stack+0x2c/0x3c [ 415.736469][ T4361] dump_stack_lvl+0xc0/0x104 [ 415.737653][ T4361] dump_stack+0x1c/0x4c [ 415.738702][ T4361] should_fail_ex+0x1bc/0x1e0 [ 415.739858][ T4361] __should_failslab+0x64/0x78 [ 415.741055][ T4361] should_failslab+0x10/0x28 [ 415.742249][ T4361] slab_pre_alloc_hook+0x54/0x1f4 [ 415.743623][ T4361] kmem_cache_alloc_lru+0x60/0x2ac [ 415.744903][ T4361] alloc_inode+0x7c/0x104 [ 415.746006][ T4361] new_inode+0x2c/0xc0 [ 415.747040][ T4361] debugfs_create_dir+0x98/0x1e0 [ 415.748309][ T4361] nbd_start_device+0x1b4/0x510 [ 415.749539][ T4361] nbd_ioctl+0x228/0x66c [ 415.750629][ T4361] blkdev_ioctl+0x218/0x664 [ 415.751765][ T4361] __arm64_sys_ioctl+0xd0/0x148 [ 415.752954][ T4361] invoke_syscall+0x64/0x178 [ 415.754118][ T4361] el0_svc_common+0xb8/0x174 [ 415.755332][ T4361] do_el0_svc+0x48/0x174 [ 415.756374][ T4361] el0_svc+0x34/0x110 [ 415.757381][ T4361] el0t_64_sync_handler+0x84/0xf0 [ 415.758663][ T4361] el0t_64_sync+0x18c/0x190 [ 415.759848][ T4361] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.761792][ T4361] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.843615][ T4361] block nbd0: shutting down sockets [ 415.955352][ T4364] ------------[ cut here ]------------ [ 415.956853][ T4364] kernfs: can not remove 'nr_tags', no directory [ 415.958572][ T4364] WARNING: CPU: 1 PID: 4364 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.961025][ T4364] Modules linked in: [ 415.961993][ T4364] CPU: 1 PID: 4364 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 415.964524][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 415.967078][ T4364] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.969064][ T4364] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.970540][ T4364] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.971956][ T4364] sp : ffff80000deebac0 [ 415.972997][ T4364] x29: ffff80000deebac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 415.975046][ T4364] x26: ffff0000c6a5bd08 x25: ffff80000deebbe8 x24: ffff0000c65a9c00 [ 415.977068][ T4364] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 415.979140][ T4364] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.981163][ T4364] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 415.983205][ T4364] x14: 0000000000000000 x13: 205d343633345420 x12: ffff80000d194000 [ 415.985284][ T4364] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c146349e8153d300 [ 415.987338][ T4364] x8 : c146349e8153d300 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 415.989380][ T4364] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.991454][ T4364] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.993578][ T4364] Call trace: [ 415.994411][ T4364] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.995849][ T4364] sysfs_remove_group+0x68/0x160 [ 415.997105][ T4364] sysfs_remove_groups+0x3c/0x78 [ 415.998394][ T4364] __kobject_del+0x34/0x134 [ 415.999602][ T4364] kobject_del+0x2c/0x4c [ 416.000663][ T4364] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.002184][ T4364] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.003680][ T4364] nbd_start_device+0xc4/0x510 [ 416.004924][ T4364] nbd_ioctl+0x228/0x66c [ 416.006020][ T4364] blkdev_ioctl+0x218/0x664 [ 416.007265][ T4364] __arm64_sys_ioctl+0xd0/0x148 [ 416.008477][ T4364] invoke_syscall+0x64/0x178 [ 416.009687][ T4364] el0_svc_common+0xb8/0x174 [ 416.010868][ T4364] do_el0_svc+0x48/0x174 [ 416.011964][ T4364] el0_svc+0x34/0x110 [ 416.012980][ T4364] el0t_64_sync_handler+0x84/0xf0 [ 416.014269][ T4364] el0t_64_sync+0x18c/0x190 [ 416.015401][ T4364] ---[ end trace 0000000000000000 ]--- [ 416.016861][ T4364] ------------[ cut here ]------------ [ 416.018261][ T4364] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.020126][ T4364] WARNING: CPU: 1 PID: 4364 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.022584][ T4364] Modules linked in: [ 416.023574][ T4364] CPU: 1 PID: 4364 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.026107][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.028747][ T4364] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.030748][ T4364] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.032277][ T4364] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.033734][ T4364] sp : ffff80000deebac0 [ 416.034799][ T4364] x29: ffff80000deebac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 416.036960][ T4364] x26: ffff0000c6a5bd08 x25: ffff80000deebbe8 x24: ffff0000c65a9c00 [ 416.038985][ T4364] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 416.041071][ T4364] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.043184][ T4364] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 416.045251][ T4364] x14: 0000000000000000 x13: 205d343633345420 x12: ffff80000d194000 [ 416.047407][ T4364] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c146349e8153d300 [ 416.049511][ T4364] x8 : c146349e8153d300 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 416.051546][ T4364] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.053540][ T4364] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.055623][ T4364] Call trace: [ 416.056445][ T4364] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.057809][ T4364] sysfs_remove_group+0x68/0x160 [ 416.059143][ T4364] sysfs_remove_groups+0x3c/0x78 [ 416.060411][ T4364] __kobject_del+0x34/0x134 [ 416.061584][ T4364] kobject_del+0x2c/0x4c [ 416.062671][ T4364] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.064210][ T4364] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.065658][ T4364] nbd_start_device+0xc4/0x510 [ 416.066869][ T4364] nbd_ioctl+0x228/0x66c [ 416.067937][ T4364] blkdev_ioctl+0x218/0x664 [ 416.069080][ T4364] __arm64_sys_ioctl+0xd0/0x148 [ 416.070318][ T4364] invoke_syscall+0x64/0x178 [ 416.071531][ T4364] el0_svc_common+0xb8/0x174 [ 416.072710][ T4364] do_el0_svc+0x48/0x174 [ 416.073797][ T4364] el0_svc+0x34/0x110 [ 416.074794][ T4364] el0t_64_sync_handler+0x84/0xf0 [ 416.076034][ T4364] el0t_64_sync+0x18c/0x190 [ 416.077219][ T4364] ---[ end trace 0000000000000000 ]--- [ 416.078709][ T4364] ------------[ cut here ]------------ [ 416.080059][ T4364] kernfs: can not remove 'cpu_list', no directory [ 416.081811][ T4364] WARNING: CPU: 1 PID: 4364 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.084260][ T4364] Modules linked in: [ 416.085315][ T4364] CPU: 1 PID: 4364 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.087912][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.090513][ T4364] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.092533][ T4364] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.094015][ T4364] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.095500][ T4364] sp : ffff80000deebac0 [ 416.096517][ T4364] x29: ffff80000deebac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 416.098585][ T4364] x26: ffff0000c6a5bd08 x25: ffff80000deebbe8 x24: ffff0000c65a9c00 [ 416.100645][ T4364] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 416.102759][ T4364] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.104818][ T4364] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 416.106821][ T4364] x14: 0000000000000000 x13: 205d343633345420 x12: ffff80000d194000 [ 416.108924][ T4364] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c146349e8153d300 [ 416.110989][ T4364] x8 : c146349e8153d300 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 416.113000][ T4364] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.115083][ T4364] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.117160][ T4364] Call trace: [ 416.117950][ T4364] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.119340][ T4364] sysfs_remove_group+0x68/0x160 [ 416.120551][ T4364] sysfs_remove_groups+0x3c/0x78 [ 416.121808][ T4364] __kobject_del+0x34/0x134 [ 416.122949][ T4364] kobject_del+0x2c/0x4c [ 416.124100][ T4364] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.125638][ T4364] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.127092][ T4364] nbd_start_device+0xc4/0x510 [ 416.128337][ T4364] nbd_ioctl+0x228/0x66c [ 416.129434][ T4364] blkdev_ioctl+0x218/0x664 [ 416.130567][ T4364] __arm64_sys_ioctl+0xd0/0x148 [ 416.131804][ T4364] invoke_syscall+0x64/0x178 [ 416.132970][ T4364] el0_svc_common+0xb8/0x174 [ 416.134130][ T4364] do_el0_svc+0x48/0x174 [ 416.135251][ T4364] el0_svc+0x34/0x110 [ 416.136297][ T4364] el0t_64_sync_handler+0x84/0xf0 [ 416.137612][ T4364] el0t_64_sync+0x18c/0x190 [ 416.138766][ T4364] ---[ end trace 0000000000000000 ]--- [ 416.142718][ T4364] block nbd0: shutting down sockets [ 416.223478][ T4366] FAULT_INJECTION: forcing a failure. [ 416.223478][ T4366] name failslab, interval 1, probability 0, space 0, times 0 [ 416.226758][ T4366] CPU: 0 PID: 4366 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.229352][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.231979][ T4366] Call trace: [ 416.232824][ T4366] dump_backtrace+0x1c8/0x1f4 [ 416.234035][ T4366] show_stack+0x2c/0x3c [ 416.235103][ T4366] dump_stack_lvl+0xc0/0x104 [ 416.236317][ T4366] dump_stack+0x1c/0x4c [ 416.237440][ T4366] should_fail_ex+0x1bc/0x1e0 [ 416.238649][ T4366] __should_failslab+0x64/0x78 [ 416.239869][ T4366] should_failslab+0x10/0x28 [ 416.241128][ T4366] slab_pre_alloc_hook+0x54/0x1f4 [ 416.242454][ T4366] kmem_cache_alloc_lru+0x60/0x2ac [ 416.243813][ T4366] alloc_inode+0x7c/0x104 [ 416.244954][ T4366] new_inode+0x2c/0xc0 [ 416.246012][ T4366] debugfs_create_dir+0x98/0x1e0 [ 416.247301][ T4366] nbd_start_device+0x1b4/0x510 [ 416.248598][ T4366] nbd_ioctl+0x228/0x66c [ 416.249714][ T4366] blkdev_ioctl+0x218/0x664 [ 416.250886][ T4366] __arm64_sys_ioctl+0xd0/0x148 [ 416.252179][ T4366] invoke_syscall+0x64/0x178 [ 416.253359][ T4366] el0_svc_common+0xb8/0x174 [ 416.254538][ T4366] do_el0_svc+0x48/0x174 [ 416.255646][ T4366] el0_svc+0x34/0x110 [ 416.256737][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 416.258045][ T4366] el0t_64_sync+0x18c/0x190 [ 416.259221][ T4366] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.261217][ T4366] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.382668][ T4366] block nbd0: shutting down sockets [ 416.493225][ T4369] block nbd0: Device being setup by another task [ 416.534733][ T4368] FAULT_INJECTION: forcing a failure. [ 416.534733][ T4368] name failslab, interval 1, probability 0, space 0, times 0 [ 416.538153][ T4368] CPU: 1 PID: 4368 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.540719][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.543342][ T4368] Call trace: [ 416.544273][ T4368] dump_backtrace+0x1c8/0x1f4 [ 416.545561][ T4368] show_stack+0x2c/0x3c [ 416.546538][ T4368] dump_stack_lvl+0xc0/0x104 [ 416.547736][ T4368] dump_stack+0x1c/0x4c [ 416.548769][ T4368] should_fail_ex+0x1bc/0x1e0 [ 416.549932][ T4368] __should_failslab+0x64/0x78 [ 416.551187][ T4368] should_failslab+0x10/0x28 [ 416.552440][ T4368] __kmem_cache_alloc_node+0x6c/0x348 [ 416.553933][ T4368] __kmalloc_node_track_caller+0x84/0xc0 [ 416.555380][ T4368] kstrdup_const+0x90/0xdc [ 416.556497][ T4368] __kernfs_new_node+0x5c/0x2e8 [ 416.557809][ T4368] kernfs_create_dir_ns+0xac/0x188 [ 416.559183][ T4368] sysfs_create_dir_ns+0x8c/0x168 [ 416.560497][ T4368] kobject_add_internal+0x314/0x64c [ 416.561895][ T4368] kobject_add+0xb8/0x130 [ 416.563027][ T4368] blk_mq_register_hctx+0x54/0x184 [ 416.564364][ T4368] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 416.565824][ T4368] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 416.567328][ T4368] nbd_start_device+0xc4/0x510 [ 416.568504][ T4368] nbd_ioctl+0x228/0x66c [ 416.569595][ T4368] blkdev_ioctl+0x218/0x664 [ 416.570799][ T4368] __arm64_sys_ioctl+0xd0/0x148 [ 416.572071][ T4368] invoke_syscall+0x64/0x178 [ 416.573221][ T4368] el0_svc_common+0xb8/0x174 [ 416.574404][ T4368] do_el0_svc+0x48/0x174 [ 416.575510][ T4368] el0_svc+0x34/0x110 [ 416.576544][ T4368] el0t_64_sync_handler+0x84/0xf0 [ 416.577853][ T4368] el0t_64_sync+0x18c/0x190 [ 416.579075][ T4368] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 416.688092][ T4368] block nbd0: shutting down sockets [ 416.814714][ T4371] ------------[ cut here ]------------ [ 416.816274][ T4371] kernfs: can not remove 'nr_tags', no directory [ 416.817994][ T4371] WARNING: CPU: 1 PID: 4371 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.820497][ T4371] Modules linked in: [ 416.821468][ T4371] CPU: 1 PID: 4371 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.824030][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.826707][ T4371] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.828708][ T4371] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.830219][ T4371] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.831684][ T4371] sp : ffff80000ded3ac0 [ 416.832745][ T4371] x29: ffff80000ded3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 416.834781][ T4371] x26: ffff0000c6a5bd08 x25: ffff80000ded3be8 x24: ffff0001ffbd2f80 [ 416.836954][ T4371] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 416.839096][ T4371] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.841104][ T4371] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 416.843218][ T4371] x14: 0000000000000000 x13: 205d313733345420 x12: ffff80000d194000 [ 416.845256][ T4371] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3c5a4a42a07f8700 [ 416.847255][ T4371] x8 : 3c5a4a42a07f8700 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 416.849356][ T4371] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.851539][ T4371] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.853671][ T4371] Call trace: [ 416.854583][ T4371] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.855947][ T4371] sysfs_remove_group+0x68/0x160 [ 416.857391][ T4371] sysfs_remove_groups+0x3c/0x78 [ 416.858659][ T4371] __kobject_del+0x34/0x134 [ 416.859861][ T4371] kobject_del+0x2c/0x4c [ 416.860919][ T4371] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.862564][ T4371] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.864058][ T4371] nbd_start_device+0xc4/0x510 [ 416.865302][ T4371] nbd_ioctl+0x228/0x66c [ 416.866400][ T4371] blkdev_ioctl+0x218/0x664 [ 416.867528][ T4371] __arm64_sys_ioctl+0xd0/0x148 [ 416.868757][ T4371] invoke_syscall+0x64/0x178 [ 416.869948][ T4371] el0_svc_common+0xb8/0x174 [ 416.871140][ T4371] do_el0_svc+0x48/0x174 [ 416.872204][ T4371] el0_svc+0x34/0x110 [ 416.873223][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 416.874575][ T4371] el0t_64_sync+0x18c/0x190 [ 416.875668][ T4371] ---[ end trace 0000000000000000 ]--- [ 416.877137][ T4371] ------------[ cut here ]------------ [ 416.878542][ T4371] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.880461][ T4371] WARNING: CPU: 1 PID: 4371 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.883019][ T4371] Modules linked in: [ 416.884030][ T4371] CPU: 1 PID: 4371 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.886619][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.889309][ T4371] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.891395][ T4371] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.892929][ T4371] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.894462][ T4371] sp : ffff80000ded3ac0 [ 416.895561][ T4371] x29: ffff80000ded3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 416.897691][ T4371] x26: ffff0000c6a5bd08 x25: ffff80000ded3be8 x24: ffff0001ffbd2f80 [ 416.899863][ T4371] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 416.901965][ T4371] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.904035][ T4371] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 416.906152][ T4371] x14: 0000000000000000 x13: 205d313733345420 x12: ffff80000d194000 [ 416.908259][ T4371] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3c5a4a42a07f8700 [ 416.910385][ T4371] x8 : 3c5a4a42a07f8700 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 416.912469][ T4371] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.914561][ T4371] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.916570][ T4371] Call trace: [ 416.917387][ T4371] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.918852][ T4371] sysfs_remove_group+0x68/0x160 [ 416.920126][ T4371] sysfs_remove_groups+0x3c/0x78 [ 416.921343][ T4371] __kobject_del+0x34/0x134 [ 416.922515][ T4371] kobject_del+0x2c/0x4c [ 416.923578][ T4371] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.925083][ T4371] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.926565][ T4371] nbd_start_device+0xc4/0x510 [ 416.927774][ T4371] nbd_ioctl+0x228/0x66c [ 416.928802][ T4371] blkdev_ioctl+0x218/0x664 [ 416.929959][ T4371] __arm64_sys_ioctl+0xd0/0x148 [ 416.931189][ T4371] invoke_syscall+0x64/0x178 [ 416.932396][ T4371] el0_svc_common+0xb8/0x174 [ 416.933613][ T4371] do_el0_svc+0x48/0x174 [ 416.934666][ T4371] el0_svc+0x34/0x110 [ 416.935672][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 416.936932][ T4371] el0t_64_sync+0x18c/0x190 [ 416.938071][ T4371] ---[ end trace 0000000000000000 ]--- [ 416.939701][ T4371] ------------[ cut here ]------------ [ 416.941095][ T4371] kernfs: can not remove 'cpu_list', no directory [ 416.942810][ T4371] WARNING: CPU: 1 PID: 4371 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.945360][ T4371] Modules linked in: [ 416.946353][ T4371] CPU: 1 PID: 4371 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 416.948914][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 416.951597][ T4371] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.953572][ T4371] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.955116][ T4371] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.956678][ T4371] sp : ffff80000ded3ac0 [ 416.957740][ T4371] x29: ffff80000ded3ac0 x28: ffff80000bce3000 x27: ffff0000c6a5bd08 [ 416.959882][ T4371] x26: ffff0000c6a5bd08 x25: ffff80000ded3be8 x24: ffff0001ffbd2f80 [ 416.962028][ T4371] x23: ffff0000c4e68000 x22: 0000000000000000 x21: 0000000000000000 [ 416.964121][ T4371] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.966254][ T4371] x17: ffff80000d3d0688 x16: 0000000000001167 x15: 0000000000000000 [ 416.968358][ T4371] x14: 0000000000000000 x13: 205d313733345420 x12: ffff80000d194000 [ 416.970460][ T4371] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 3c5a4a42a07f8700 [ 416.972598][ T4371] x8 : 3c5a4a42a07f8700 x7 : 0000000000000000 x6 : ffff80000ae18b04 [ 416.974733][ T4371] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.976907][ T4371] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.979013][ T4371] Call trace: [ 416.979901][ T4371] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.981309][ T4371] sysfs_remove_group+0x68/0x160 [ 416.982574][ T4371] sysfs_remove_groups+0x3c/0x78 [ 416.983868][ T4371] __kobject_del+0x34/0x134 [ 416.985079][ T4371] kobject_del+0x2c/0x4c [ 416.986178][ T4371] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.987716][ T4371] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.989188][ T4371] nbd_start_device+0xc4/0x510 [ 416.990403][ T4371] nbd_ioctl+0x228/0x66c [ 416.991579][ T4371] blkdev_ioctl+0x218/0x664 [ 416.992808][ T4371] __arm64_sys_ioctl+0xd0/0x148 [ 416.994100][ T4371] invoke_syscall+0x64/0x178 [ 416.995306][ T4371] el0_svc_common+0xb8/0x174 [ 416.996472][ T4371] do_el0_svc+0x48/0x174 [ 416.997569][ T4371] el0_svc+0x34/0x110 [ 416.998659][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 416.999986][ T4371] el0t_64_sync+0x18c/0x190 [ 417.001206][ T4371] ---[ end trace 0000000000000000 ]--- [ 417.005135][ T4371] block nbd0: shutting down sockets [ 417.123220][ T4374] block nbd0: Device being setup by another task [ 417.165214][ T4373] FAULT_INJECTION: forcing a failure. [ 417.165214][ T4373] name failslab, interval 1, probability 0, space 0, times 0 [ 417.168720][ T4373] CPU: 1 PID: 4373 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 417.171266][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 417.173898][ T4373] Call trace: [ 417.174720][ T4373] dump_backtrace+0x1c8/0x1f4 [ 417.175902][ T4373] show_stack+0x2c/0x3c [ 417.176963][ T4373] dump_stack_lvl+0xc0/0x104 [ 417.178157][ T4373] dump_stack+0x1c/0x4c [ 417.179220][ T4373] should_fail_ex+0x1bc/0x1e0 [ 417.180415][ T4373] __should_failslab+0x64/0x78 [ 417.181678][ T4373] should_failslab+0x10/0x28 [ 417.182903][ T4373] __kmem_cache_alloc_node+0x6c/0x348 [ 417.184346][ T4373] __kmalloc_node_track_caller+0x84/0xc0 [ 417.185832][ T4373] kstrdup_const+0x90/0xdc [ 417.187009][ T4373] __kernfs_new_node+0x5c/0x2e8 [ 417.188321][ T4373] kernfs_create_dir_ns+0xac/0x188 [ 417.189593][ T4373] sysfs_create_dir_ns+0x8c/0x168 [ 417.190893][ T4373] kobject_add_internal+0x314/0x64c [ 417.192258][ T4373] kobject_add+0xb8/0x130 [ 417.193382][ T4373] blk_mq_register_hctx+0x54/0x184 [ 417.194756][ T4373] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.196223][ T4373] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.197716][ T4373] nbd_start_device+0xc4/0x510 [ 417.199006][ T4373] nbd_ioctl+0x228/0x66c [ 417.200118][ T4373] blkdev_ioctl+0x218/0x664 [ 417.201330][ T4373] __arm64_sys_ioctl+0xd0/0x148 [ 417.202586][ T4373] invoke_syscall+0x64/0x178 [ 417.203759][ T4373] el0_svc_common+0xb8/0x174 [ 417.204957][ T4373] do_el0_svc+0x48/0x174 [ 417.206027][ T4373] el0_svc+0x34/0x110 [ 417.207037][ T4373] el0t_64_sync_handler+0x84/0xf0 [ 417.208339][ T4373] el0t_64_sync+0x18c/0x190 [ 417.209532][ T4373] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 417.274373][ T4373] block nbd0: shutting down sockets [ 417.373214][ T4377] block nbd0: Device being setup by another task [ 417.375109][ T4376] FAULT_INJECTION: forcing a failure. [ 417.375109][ T4376] name failslab, interval 1, probability 0, space 0, times 0 [ 417.378301][ T4376] CPU: 1 PID: 4376 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 417.380773][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 417.383340][ T4376] Call trace: [ 417.384199][ T4376] dump_backtrace+0x1c8/0x1f4 [ 417.385403][ T4376] show_stack+0x2c/0x3c [ 417.386445][ T4376] dump_stack_lvl+0xc0/0x104 [ 417.387637][ T4376] dump_stack+0x1c/0x4c [ 417.388724][ T4376] should_fail_ex+0x1bc/0x1e0 [ 417.389918][ T4376] __should_failslab+0x64/0x78 [ 417.391135][ T4376] should_failslab+0x10/0x28 [ 417.392325][ T4376] slab_pre_alloc_hook+0x54/0x1f4 [ 417.393631][ T4376] kmem_cache_alloc_lru+0x60/0x2ac [ 417.394983][ T4376] alloc_inode+0x7c/0x104 [ 417.396161][ T4376] new_inode+0x2c/0xc0 [ 417.397215][ T4376] debugfs_create_dir+0x98/0x1e0 [ 417.398473][ T4376] nbd_start_device+0x1b4/0x510 [ 417.399727][ T4376] nbd_ioctl+0x228/0x66c [ 417.400872][ T4376] blkdev_ioctl+0x218/0x664 [ 417.402047][ T4376] __arm64_sys_ioctl+0xd0/0x148 [ 417.403325][ T4376] invoke_syscall+0x64/0x178 [ 417.404495][ T4376] el0_svc_common+0xb8/0x174 [ 417.405669][ T4376] do_el0_svc+0x48/0x174 [ 417.406865][ T4376] el0_svc+0x34/0x110 [ 417.407898][ T4376] el0t_64_sync_handler+0x84/0xf0 [ 417.409208][ T4376] el0t_64_sync+0x18c/0x190 [ 417.410412][ T4376] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.412407][ T4376] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.532982][ T4376] block nbd0: shutting down sockets [ 417.643255][ T4380] block nbd0: Device being setup by another task [ 417.645090][ T4379] FAULT_INJECTION: forcing a failure. [ 417.645090][ T4379] name failslab, interval 1, probability 0, space 0, times 0 [ 417.648455][ T4379] CPU: 0 PID: 4379 Comm: syz-executor235 Tainted: G W 6.1.92-syzkaller #0 [ 417.650906][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 417.653535][ T4379] Call trace: [ 417.654420][ T4379] dump_backtrace+0x1c8/0x1f4 [ 417.655687][ T4379] show_stack+0x2c/0x3c [ 417.656774][ T4379] dump_stack_lvl+0xc0/0x104 [ 417.657961][ T4379] dump_stack+0x1c/0x4c [ 417.659007][ T4379] should_fail_ex+0x1bc/0x1e0 [ 417.660323][ T4379] __should_failslab+0x64/0x78 [ 417.661582][ T4379] should_failslab+0x10/0x28 [ 417.662737][ T4379] slab_pre_alloc_hook+0x54/0x1f4 [ 417.664108][ T4379] kmem_cache_alloc_lru+0x60/0x2ac [ 417.665430][ T4379] alloc_inode+0x7c/0x104 [ 417.666554][ T4379] new_inode+0x2c/0xc0 [ 417.667609][ T4379] debugfs_create_dir+0x98/0x1e0 [ 417.668882][ T4379] nbd_start_device+0x1b4/0x510 [ 417.670160][ T4379] nbd_ioctl+0x228/0x66c [ 417.671276][ T4379] blkdev_ioctl+0x218/0x664 [ 417.672453][ T4379] __arm64_sys_ioctl+0xd0/0x148 [ 417.673692][ T4379] invoke_syscall+0x64/0x178 [ 417.674878][ T4379] el0_svc_common+0xb8/0x174 [ 417.676040][ T4379] do_el0_svc+0x48/0x174 [ 417.677124][ T4379] el0_svc+0x34/0x110 [ 417.678159][ T4379] el0t_64_sync_handler+0x84/0xf0 [ 417.679505][ T4379] el0t_64_sync+0x18c/0x190 [ 417.680690][ T4379] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.682662][ T4379] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.799806][ T4379] block nbd0: shutting down sockets