[ 400.559664][ T43] block nbd0: Receive control failed (result -32) [ 400.559867][ T4302] block nbd0: shutting down sockets [ 400.724953][ T4309] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 401.400261][ T3244] block nbd0: Receive control failed (result -32) [ 401.400383][ T4309] block nbd0: shutting down sockets [ 401.535907][ T4311] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 402.242770][ T3244] block nbd0: Receive control failed (result -32) [ 402.242831][ T4311] block nbd0: shutting down sockets [ 402.405218][ T4313] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 403.085679][ T3244] block nbd0: Receive control failed (result -32) [ 403.085707][ T4313] block nbd0: shutting down sockets [ 403.225749][ T4315] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 403.928709][ T3244] block nbd0: Receive control failed (result -32) [ 403.928824][ T4315] block nbd0: shutting down sockets [ 404.194289][ T11] device bridge_slave_1 left promiscuous mode [ 404.195852][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.264153][ T11] device bridge_slave_0 left promiscuous mode [ 404.265707][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.324448][ T11] device veth0_macvtap left promiscuous mode [ 404.325945][ T11] device veth1_vlan left promiscuous mode [ 404.327399][ T11] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.27' (ED25519) to the list of known hosts. [ 405.853007][ T4323] FAULT_INJECTION: forcing a failure. [ 405.853007][ T4323] name failslab, interval 1, probability 0, space 0, times 0 [ 405.856314][ T4323] CPU: 1 PID: 4323 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 405.858406][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 405.860965][ T4323] Call trace: [ 405.861729][ T4323] dump_backtrace+0x1c8/0x1f4 [ 405.862977][ T4323] show_stack+0x2c/0x3c [ 405.864016][ T4323] dump_stack_lvl+0xc0/0x104 [ 405.865198][ T4323] dump_stack+0x1c/0x50 [ 405.866198][ T4323] should_fail_ex+0x1bc/0x1e0 [ 405.867489][ T4323] __should_failslab+0x64/0x78 [ 405.868717][ T4323] should_failslab+0x10/0x28 [ 405.869895][ T4323] __kmem_cache_alloc_node+0x6c/0x348 [ 405.871266][ T4323] __kmalloc+0x98/0xd8 [ 405.872338][ T4323] tomoyo_supervisor+0x700/0x888 [ 405.873607][ T4323] tomoyo_path_number_perm+0x200/0x2a8 [ 405.874973][ T4323] tomoyo_file_ioctl+0x2c/0x3c [ 405.876158][ T4323] security_file_ioctl+0x4c/0x8c [ 405.877389][ T4323] __arm64_sys_ioctl+0x5c/0x148 [ 405.878695][ T4323] invoke_syscall+0x64/0x178 [ 405.879854][ T4323] el0_svc_common+0xb8/0x174 [ 405.881003][ T4323] do_el0_svc+0x48/0x174 [ 405.882103][ T4323] el0_svc+0x34/0x110 [ 405.883134][ T4323] el0t_64_sync_handler+0x84/0xf0 [ 405.884425][ T4323] el0t_64_sync+0x18c/0x190 [ 405.913745][ T4324] block nbd0: Device being setup by another task [ 406.010778][ T4323] block nbd0: shutting down sockets [ 406.114074][ T4326] FAULT_INJECTION: forcing a failure. [ 406.114074][ T4326] name failslab, interval 1, probability 0, space 0, times 0 [ 406.117430][ T4326] CPU: 1 PID: 4326 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 406.119401][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 406.121917][ T4326] Call trace: [ 406.122745][ T4326] dump_backtrace+0x1c8/0x1f4 [ 406.123902][ T4326] show_stack+0x2c/0x3c [ 406.124959][ T4326] dump_stack_lvl+0xc0/0x104 [ 406.126155][ T4326] dump_stack+0x1c/0x50 [ 406.127232][ T4326] should_fail_ex+0x1bc/0x1e0 [ 406.128450][ T4326] __should_failslab+0x64/0x78 [ 406.129679][ T4326] should_failslab+0x10/0x28 [ 406.130793][ T4326] __kmem_cache_alloc_node+0x6c/0x348 [ 406.132086][ T4326] __kmalloc+0x98/0xd8 [ 406.133175][ T4326] tomoyo_supervisor+0x700/0x888 [ 406.134511][ T4326] tomoyo_path_number_perm+0x200/0x2a8 [ 406.135906][ T4326] tomoyo_file_ioctl+0x2c/0x3c [ 406.137099][ T4326] security_file_ioctl+0x4c/0x8c [ 406.138374][ T4326] __arm64_sys_ioctl+0x5c/0x148 [ 406.139652][ T4326] invoke_syscall+0x64/0x178 [ 406.140883][ T4326] el0_svc_common+0xb8/0x174 [ 406.142012][ T4326] do_el0_svc+0x48/0x174 [ 406.143081][ T4326] el0_svc+0x34/0x110 [ 406.144144][ T4326] el0t_64_sync_handler+0x84/0xf0 [ 406.145482][ T4326] el0t_64_sync+0x18c/0x190 [ 406.271958][ T4326] block nbd0: shutting down sockets [ 406.364060][ T4328] FAULT_INJECTION: forcing a failure. [ 406.364060][ T4328] name failslab, interval 1, probability 0, space 0, times 0 [ 406.367940][ T4328] CPU: 1 PID: 4328 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 406.370522][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 406.373381][ T4328] Call trace: [ 406.374209][ T4328] dump_backtrace+0x1c8/0x1f4 [ 406.375437][ T4328] show_stack+0x2c/0x3c [ 406.376533][ T4328] dump_stack_lvl+0xc0/0x104 [ 406.377654][ T4328] dump_stack+0x1c/0x50 [ 406.378704][ T4328] should_fail_ex+0x1bc/0x1e0 [ 406.379920][ T4328] __should_failslab+0x64/0x78 [ 406.381158][ T4328] should_failslab+0x10/0x28 [ 406.382271][ T4328] __kmem_cache_alloc_node+0x6c/0x348 [ 406.383688][ T4328] __kmalloc+0x98/0xd8 [ 406.384724][ T4328] tomoyo_supervisor+0x700/0x888 [ 406.386030][ T4328] tomoyo_path_number_perm+0x200/0x2a8 [ 406.387419][ T4328] tomoyo_file_ioctl+0x2c/0x3c [ 406.388663][ T4328] security_file_ioctl+0x4c/0x8c [ 406.389944][ T4328] __arm64_sys_ioctl+0x5c/0x148 [ 406.391211][ T4328] invoke_syscall+0x64/0x178 [ 406.392385][ T4328] el0_svc_common+0xb8/0x174 [ 406.393569][ T4328] do_el0_svc+0x48/0x174 [ 406.394629][ T4328] el0_svc+0x34/0x110 [ 406.395565][ T4328] el0t_64_sync_handler+0x84/0xf0 [ 406.396912][ T4328] el0t_64_sync+0x18c/0x190 [ 406.522102][ T4328] block nbd0: shutting down sockets [ 406.625260][ T4331] FAULT_INJECTION: forcing a failure. [ 406.625260][ T4331] name failslab, interval 1, probability 0, space 0, times 0 [ 406.628520][ T4331] CPU: 1 PID: 4331 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 406.630677][ T4331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 406.633117][ T4331] Call trace: [ 406.633941][ T4331] dump_backtrace+0x1c8/0x1f4 [ 406.635079][ T4331] show_stack+0x2c/0x3c [ 406.636137][ T4331] dump_stack_lvl+0xc0/0x104 [ 406.637280][ T4331] dump_stack+0x1c/0x50 [ 406.638343][ T4331] should_fail_ex+0x1bc/0x1e0 [ 406.639586][ T4331] __should_failslab+0x64/0x78 [ 406.640785][ T4331] should_failslab+0x10/0x28 [ 406.641986][ T4331] __kmem_cache_alloc_node+0x6c/0x348 [ 406.643423][ T4331] __kmalloc+0x98/0xd8 [ 406.644479][ T4331] tomoyo_supervisor+0x700/0x888 [ 406.645741][ T4331] tomoyo_path_number_perm+0x200/0x2a8 [ 406.647122][ T4331] tomoyo_file_ioctl+0x2c/0x3c [ 406.648315][ T4331] security_file_ioctl+0x4c/0x8c [ 406.649613][ T4331] __arm64_sys_ioctl+0x5c/0x148 [ 406.650867][ T4331] invoke_syscall+0x64/0x178 [ 406.652080][ T4331] el0_svc_common+0xb8/0x174 [ 406.653260][ T4331] do_el0_svc+0x48/0x174 [ 406.654379][ T4331] el0_svc+0x34/0x110 [ 406.655468][ T4331] el0t_64_sync_handler+0x84/0xf0 [ 406.656723][ T4331] el0t_64_sync+0x18c/0x190 [ 406.782814][ T4331] block nbd0: shutting down sockets [ 406.874066][ T4333] FAULT_INJECTION: forcing a failure. [ 406.874066][ T4333] name failslab, interval 1, probability 0, space 0, times 0 [ 406.877329][ T4333] CPU: 1 PID: 4333 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 406.879428][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 406.881957][ T4333] Call trace: [ 406.882807][ T4333] dump_backtrace+0x1c8/0x1f4 [ 406.884009][ T4333] show_stack+0x2c/0x3c [ 406.885069][ T4333] dump_stack_lvl+0xc0/0x104 [ 406.886179][ T4333] dump_stack+0x1c/0x50 [ 406.887269][ T4333] should_fail_ex+0x1bc/0x1e0 [ 406.888405][ T4333] __should_failslab+0x64/0x78 [ 406.889652][ T4333] should_failslab+0x10/0x28 [ 406.890818][ T4333] __kmem_cache_alloc_node+0x6c/0x348 [ 406.892218][ T4333] __kmalloc+0x98/0xd8 [ 406.893264][ T4333] tomoyo_supervisor+0x700/0x888 [ 406.894500][ T4333] tomoyo_path_number_perm+0x200/0x2a8 [ 406.895854][ T4333] tomoyo_file_ioctl+0x2c/0x3c [ 406.897075][ T4333] security_file_ioctl+0x4c/0x8c [ 406.898376][ T4333] __arm64_sys_ioctl+0x5c/0x148 [ 406.899618][ T4333] invoke_syscall+0x64/0x178 [ 406.900784][ T4333] el0_svc_common+0xb8/0x174 [ 406.901954][ T4333] do_el0_svc+0x48/0x174 [ 406.903005][ T4333] el0_svc+0x34/0x110 [ 406.904017][ T4333] el0t_64_sync_handler+0x84/0xf0 [ 406.905293][ T4333] el0t_64_sync+0x18c/0x190 [ 407.032482][ T4333] block nbd0: shutting down sockets [ 407.114083][ T4335] FAULT_INJECTION: forcing a failure. [ 407.114083][ T4335] name failslab, interval 1, probability 0, space 0, times 0 [ 407.117256][ T4335] CPU: 1 PID: 4335 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 407.119413][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 407.121941][ T4335] Call trace: [ 407.122775][ T4335] dump_backtrace+0x1c8/0x1f4 [ 407.124110][ T4335] show_stack+0x2c/0x3c [ 407.125193][ T4335] dump_stack_lvl+0xc0/0x104 [ 407.126369][ T4335] dump_stack+0x1c/0x50 [ 407.127401][ T4335] should_fail_ex+0x1bc/0x1e0 [ 407.128614][ T4335] __should_failslab+0x64/0x78 [ 407.129809][ T4335] should_failslab+0x10/0x28 [ 407.130952][ T4335] __kmem_cache_alloc_node+0x6c/0x348 [ 407.132286][ T4335] __kmalloc+0x98/0xd8 [ 407.133373][ T4335] tomoyo_supervisor+0x700/0x888 [ 407.134595][ T4335] tomoyo_path_number_perm+0x200/0x2a8 [ 407.136030][ T4335] tomoyo_file_ioctl+0x2c/0x3c [ 407.137334][ T4335] security_file_ioctl+0x4c/0x8c [ 407.138660][ T4335] __arm64_sys_ioctl+0x5c/0x148 [ 407.139886][ T4335] invoke_syscall+0x64/0x178 [ 407.141065][ T4335] el0_svc_common+0xb8/0x174 [ 407.142212][ T4335] do_el0_svc+0x48/0x174 [ 407.143258][ T4335] el0_svc+0x34/0x110 [ 407.144301][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 407.145709][ T4335] el0t_64_sync+0x18c/0x190 [ 407.272051][ T4335] block nbd0: shutting down sockets [ 407.382018][ T4337] FAULT_INJECTION: forcing a failure. [ 407.382018][ T4337] name failslab, interval 1, probability 0, space 0, times 0 [ 407.385340][ T4337] CPU: 1 PID: 4337 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 407.385355][ T4338] block nbd0: Device being setup by another task [ 407.387512][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 407.387519][ T4337] Call trace: [ 407.392411][ T4337] dump_backtrace+0x1c8/0x1f4 [ 407.393565][ T4337] show_stack+0x2c/0x3c [ 407.394598][ T4337] dump_stack_lvl+0xc0/0x104 [ 407.395740][ T4337] dump_stack+0x1c/0x50 [ 407.396808][ T4337] should_fail_ex+0x1bc/0x1e0 [ 407.398031][ T4337] __should_failslab+0x64/0x78 [ 407.399227][ T4337] should_failslab+0x10/0x28 [ 407.400358][ T4337] __kmem_cache_alloc_node+0x6c/0x348 [ 407.401742][ T4337] __kmalloc+0x98/0xd8 [ 407.402771][ T4337] tomoyo_supervisor+0x700/0x888 [ 407.404052][ T4337] tomoyo_path_number_perm+0x200/0x2a8 [ 407.405474][ T4337] tomoyo_file_ioctl+0x2c/0x3c [ 407.406643][ T4337] security_file_ioctl+0x4c/0x8c [ 407.407893][ T4337] __arm64_sys_ioctl+0x5c/0x148 [ 407.409141][ T4337] invoke_syscall+0x64/0x178 [ 407.410294][ T4337] el0_svc_common+0xb8/0x174 [ 407.411478][ T4337] do_el0_svc+0x48/0x174 [ 407.412530][ T4337] el0_svc+0x34/0x110 [ 407.413534][ T4337] el0t_64_sync_handler+0x84/0xf0 [ 407.414798][ T4337] el0t_64_sync+0x18c/0x190 [ 407.540077][ T4337] block nbd0: shutting down sockets [ 407.624107][ T4340] FAULT_INJECTION: forcing a failure. [ 407.624107][ T4340] name failslab, interval 1, probability 0, space 0, times 0 [ 407.627375][ T4340] CPU: 1 PID: 4340 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 407.629581][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 407.632280][ T4340] Call trace: [ 407.633128][ T4340] dump_backtrace+0x1c8/0x1f4 [ 407.634294][ T4340] show_stack+0x2c/0x3c [ 407.635354][ T4340] dump_stack_lvl+0xc0/0x104 [ 407.636492][ T4340] dump_stack+0x1c/0x50 [ 407.637618][ T4340] should_fail_ex+0x1bc/0x1e0 [ 407.638793][ T4340] __should_failslab+0x64/0x78 [ 407.639978][ T4340] should_failslab+0x10/0x28 [ 407.641213][ T4340] __kmem_cache_alloc_node+0x6c/0x348 [ 407.642611][ T4340] __kmalloc+0x98/0xd8 [ 407.643695][ T4340] tomoyo_supervisor+0x700/0x888 [ 407.645051][ T4340] tomoyo_path_number_perm+0x200/0x2a8 [ 407.646457][ T4340] tomoyo_file_ioctl+0x2c/0x3c [ 407.647652][ T4340] security_file_ioctl+0x4c/0x8c [ 407.648929][ T4340] __arm64_sys_ioctl+0x5c/0x148 [ 407.650165][ T4340] invoke_syscall+0x64/0x178 [ 407.651362][ T4340] el0_svc_common+0xb8/0x174 [ 407.652562][ T4340] do_el0_svc+0x48/0x174 [ 407.653633][ T4340] el0_svc+0x34/0x110 [ 407.654682][ T4340] el0t_64_sync_handler+0x84/0xf0 [ 407.655965][ T4340] el0t_64_sync+0x18c/0x190 [ 407.781866][ T4340] block nbd0: shutting down sockets [ 407.874082][ T4342] FAULT_INJECTION: forcing a failure. [ 407.874082][ T4342] name failslab, interval 1, probability 0, space 0, times 0 [ 407.877433][ T4342] CPU: 0 PID: 4342 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 407.879585][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 407.882327][ T4342] Call trace: [ 407.883132][ T4342] dump_backtrace+0x1c8/0x1f4 [ 407.884298][ T4342] show_stack+0x2c/0x3c [ 407.885398][ T4342] dump_stack_lvl+0xc0/0x104 [ 407.886543][ T4342] dump_stack+0x1c/0x50 [ 407.887673][ T4342] should_fail_ex+0x1bc/0x1e0 [ 407.888883][ T4342] __should_failslab+0x64/0x78 [ 407.890077][ T4342] should_failslab+0x10/0x28 [ 407.891237][ T4342] __kmem_cache_alloc_node+0x6c/0x348 [ 407.892601][ T4342] __kmalloc+0x98/0xd8 [ 407.893617][ T4342] tomoyo_supervisor+0x700/0x888 [ 407.894882][ T4342] tomoyo_path_number_perm+0x200/0x2a8 [ 407.896311][ T4342] tomoyo_file_ioctl+0x2c/0x3c [ 407.897573][ T4342] security_file_ioctl+0x4c/0x8c [ 407.898857][ T4342] __arm64_sys_ioctl+0x5c/0x148 [ 407.900148][ T4342] invoke_syscall+0x64/0x178 [ 407.901324][ T4342] el0_svc_common+0xb8/0x174 [ 407.902557][ T4342] do_el0_svc+0x48/0x174 [ 407.903654][ T4342] el0_svc+0x34/0x110 [ 407.904667][ T4342] el0t_64_sync_handler+0x84/0xf0 [ 407.905846][ T4342] el0t_64_sync+0x18c/0x190 [ 408.031823][ T4342] block nbd0: shutting down sockets [ 408.124045][ T4344] FAULT_INJECTION: forcing a failure. [ 408.124045][ T4344] name failslab, interval 1, probability 0, space 0, times 0 [ 408.127406][ T4344] CPU: 1 PID: 4344 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 408.129501][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 408.132151][ T4344] Call trace: [ 408.133011][ T4344] dump_backtrace+0x1c8/0x1f4 [ 408.134182][ T4344] show_stack+0x2c/0x3c [ 408.135180][ T4344] dump_stack_lvl+0xc0/0x104 [ 408.136343][ T4344] dump_stack+0x1c/0x50 [ 408.137426][ T4344] should_fail_ex+0x1bc/0x1e0 [ 408.138629][ T4344] __should_failslab+0x64/0x78 [ 408.139822][ T4344] should_failslab+0x10/0x28 [ 408.140944][ T4344] __kmem_cache_alloc_node+0x6c/0x348 [ 408.142293][ T4344] __kmalloc+0x98/0xd8 [ 408.143289][ T4344] tomoyo_supervisor+0x700/0x888 [ 408.144591][ T4344] tomoyo_path_number_perm+0x200/0x2a8 [ 408.146034][ T4344] tomoyo_file_ioctl+0x2c/0x3c [ 408.147306][ T4344] security_file_ioctl+0x4c/0x8c [ 408.148689][ T4344] __arm64_sys_ioctl+0x5c/0x148 [ 408.149959][ T4344] invoke_syscall+0x64/0x178 [ 408.151160][ T4344] el0_svc_common+0xb8/0x174 [ 408.152368][ T4344] do_el0_svc+0x48/0x174 [ 408.153517][ T4344] el0_svc+0x34/0x110 [ 408.154561][ T4344] el0t_64_sync_handler+0x84/0xf0 [ 408.155886][ T4344] el0t_64_sync+0x18c/0x190 [ 408.282055][ T4344] block nbd0: shutting down sockets [ 408.392061][ T4346] FAULT_INJECTION: forcing a failure. [ 408.392061][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 408.395510][ T4346] CPU: 0 PID: 4346 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 408.397734][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 408.400382][ T4346] Call trace: [ 408.401202][ T4346] dump_backtrace+0x1c8/0x1f4 [ 408.402457][ T4346] show_stack+0x2c/0x3c [ 408.403505][ T4346] dump_stack_lvl+0xc0/0x104 [ 408.403736][ T4347] block nbd0: Device being setup by another task [ 408.404680][ T4346] dump_stack+0x1c/0x50 [ 408.407451][ T4346] should_fail_ex+0x1bc/0x1e0 [ 408.408685][ T4346] __should_failslab+0x64/0x78 [ 408.409901][ T4346] should_failslab+0x10/0x28 [ 408.411076][ T4346] __kmem_cache_alloc_node+0x6c/0x348 [ 408.412502][ T4346] __kmalloc+0x98/0xd8 [ 408.413570][ T4346] tomoyo_supervisor+0x700/0x888 [ 408.414825][ T4346] tomoyo_path_number_perm+0x200/0x2a8 [ 408.416187][ T4346] tomoyo_file_ioctl+0x2c/0x3c [ 408.417463][ T4346] security_file_ioctl+0x4c/0x8c [ 408.418786][ T4346] __arm64_sys_ioctl+0x5c/0x148 [ 408.419968][ T4346] invoke_syscall+0x64/0x178 [ 408.421142][ T4346] el0_svc_common+0xb8/0x174 [ 408.422338][ T4346] do_el0_svc+0x48/0x174 [ 408.423397][ T4346] el0_svc+0x34/0x110 [ 408.424448][ T4346] el0t_64_sync_handler+0x84/0xf0 [ 408.425780][ T4346] el0t_64_sync+0x18c/0x190 [ 408.550003][ T4346] block nbd0: shutting down sockets [ 408.644081][ T4349] FAULT_INJECTION: forcing a failure. [ 408.644081][ T4349] name failslab, interval 1, probability 0, space 0, times 0 [ 408.647478][ T4349] CPU: 1 PID: 4349 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 408.649633][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 408.652235][ T4349] Call trace: [ 408.653047][ T4349] dump_backtrace+0x1c8/0x1f4 [ 408.654256][ T4349] show_stack+0x2c/0x3c [ 408.655318][ T4349] dump_stack_lvl+0xc0/0x104 [ 408.656565][ T4349] dump_stack+0x1c/0x50 [ 408.657659][ T4349] should_fail_ex+0x1bc/0x1e0 [ 408.658884][ T4349] __should_failslab+0x64/0x78 [ 408.660055][ T4349] should_failslab+0x10/0x28 [ 408.661272][ T4349] __kmem_cache_alloc_node+0x6c/0x348 [ 408.662591][ T4349] __kmalloc+0x98/0xd8 [ 408.663654][ T4349] tomoyo_supervisor+0x700/0x888 [ 408.664935][ T4349] tomoyo_path_number_perm+0x200/0x2a8 [ 408.666299][ T4349] tomoyo_file_ioctl+0x2c/0x3c [ 408.667496][ T4349] security_file_ioctl+0x4c/0x8c [ 408.668753][ T4349] __arm64_sys_ioctl+0x5c/0x148 [ 408.669941][ T4349] invoke_syscall+0x64/0x178 [ 408.671135][ T4349] el0_svc_common+0xb8/0x174 [ 408.672301][ T4349] do_el0_svc+0x48/0x174 [ 408.673374][ T4349] el0_svc+0x34/0x110 [ 408.674344][ T4349] el0t_64_sync_handler+0x84/0xf0 [ 408.675632][ T4349] el0t_64_sync+0x18c/0x190 [ 408.801883][ T4349] block nbd0: shutting down sockets [ 408.884041][ T4351] FAULT_INJECTION: forcing a failure. [ 408.884041][ T4351] name failslab, interval 1, probability 0, space 0, times 0 [ 408.887327][ T4351] CPU: 1 PID: 4351 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 408.889445][ T4351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 408.891937][ T4351] Call trace: [ 408.892749][ T4351] dump_backtrace+0x1c8/0x1f4 [ 408.893955][ T4351] show_stack+0x2c/0x3c [ 408.895001][ T4351] dump_stack_lvl+0xc0/0x104 [ 408.896177][ T4351] dump_stack+0x1c/0x50 [ 408.897211][ T4351] should_fail_ex+0x1bc/0x1e0 [ 408.898421][ T4351] __should_failslab+0x64/0x78 [ 408.899679][ T4351] should_failslab+0x10/0x28 [ 408.900814][ T4351] __kmem_cache_alloc_node+0x6c/0x348 [ 408.902149][ T4351] __kmalloc+0x98/0xd8 [ 408.903177][ T4351] tomoyo_supervisor+0x700/0x888 [ 408.904516][ T4351] tomoyo_path_number_perm+0x200/0x2a8 [ 408.905959][ T4351] tomoyo_file_ioctl+0x2c/0x3c [ 408.907170][ T4351] security_file_ioctl+0x4c/0x8c [ 408.908389][ T4351] __arm64_sys_ioctl+0x5c/0x148 [ 408.909603][ T4351] invoke_syscall+0x64/0x178 [ 408.910759][ T4351] el0_svc_common+0xb8/0x174 [ 408.911920][ T4351] do_el0_svc+0x48/0x174 [ 408.912996][ T4351] el0_svc+0x34/0x110 [ 408.913953][ T4351] el0t_64_sync_handler+0x84/0xf0 [ 408.915244][ T4351] el0t_64_sync+0x18c/0x190 [ 409.041937][ T4351] block nbd0: shutting down sockets [ 409.124138][ T4353] FAULT_INJECTION: forcing a failure. [ 409.124138][ T4353] name failslab, interval 1, probability 0, space 0, times 0 [ 409.127328][ T4353] CPU: 1 PID: 4353 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 409.129540][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 409.132162][ T4353] Call trace: [ 409.132932][ T4353] dump_backtrace+0x1c8/0x1f4 [ 409.134089][ T4353] show_stack+0x2c/0x3c [ 409.135233][ T4353] dump_stack_lvl+0xc0/0x104 [ 409.136385][ T4353] dump_stack+0x1c/0x50 [ 409.137461][ T4353] should_fail_ex+0x1bc/0x1e0 [ 409.138726][ T4353] __should_failslab+0x64/0x78 [ 409.139966][ T4353] should_failslab+0x10/0x28 [ 409.141146][ T4353] __kmem_cache_alloc_node+0x6c/0x348 [ 409.142540][ T4353] __kmalloc+0x98/0xd8 [ 409.143591][ T4353] tomoyo_supervisor+0x700/0x888 [ 409.144858][ T4353] tomoyo_path_number_perm+0x200/0x2a8 [ 409.146203][ T4353] tomoyo_file_ioctl+0x2c/0x3c [ 409.147479][ T4353] security_file_ioctl+0x4c/0x8c [ 409.148743][ T4353] __arm64_sys_ioctl+0x5c/0x148 [ 409.150004][ T4353] invoke_syscall+0x64/0x178 [ 409.151218][ T4353] el0_svc_common+0xb8/0x174 [ 409.152411][ T4353] do_el0_svc+0x48/0x174 [ 409.153489][ T4353] el0_svc+0x34/0x110 [ 409.154529][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 409.155824][ T4353] el0t_64_sync+0x18c/0x190 [ 409.281914][ T4353] block nbd0: shutting down sockets [ 409.392023][ T4355] FAULT_INJECTION: forcing a failure. [ 409.392023][ T4355] name failslab, interval 1, probability 0, space 0, times 0 [ 409.393766][ T4356] block nbd0: Device being setup by another task [ 409.395466][ T4355] CPU: 0 PID: 4355 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 409.399122][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 409.401685][ T4355] Call trace: [ 409.402469][ T4355] dump_backtrace+0x1c8/0x1f4 [ 409.403733][ T4355] show_stack+0x2c/0x3c [ 409.404806][ T4355] dump_stack_lvl+0xc0/0x104 [ 409.405996][ T4355] dump_stack+0x1c/0x50 [ 409.407132][ T4355] should_fail_ex+0x1bc/0x1e0 [ 409.408373][ T4355] __should_failslab+0x64/0x78 [ 409.409644][ T4355] should_failslab+0x10/0x28 [ 409.410870][ T4355] __kmem_cache_alloc_node+0x6c/0x348 [ 409.412342][ T4355] __kmalloc+0x98/0xd8 [ 409.413349][ T4355] tomoyo_supervisor+0x700/0x888 [ 409.414656][ T4355] tomoyo_path_number_perm+0x200/0x2a8 [ 409.416079][ T4355] tomoyo_file_ioctl+0x2c/0x3c [ 409.417397][ T4355] security_file_ioctl+0x4c/0x8c [ 409.418728][ T4355] __arm64_sys_ioctl+0x5c/0x148 [ 409.420061][ T4355] invoke_syscall+0x64/0x178 [ 409.421231][ T4355] el0_svc_common+0xb8/0x174 [ 409.422359][ T4355] do_el0_svc+0x48/0x174 [ 409.423419][ T4355] el0_svc+0x34/0x110 [ 409.424403][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 409.425745][ T4355] el0t_64_sync+0x18c/0x190 [ 409.549755][ T4355] block nbd0: shutting down sockets [ 409.644049][ T4358] FAULT_INJECTION: forcing a failure. [ 409.644049][ T4358] name failslab, interval 1, probability 0, space 0, times 0 [ 409.647327][ T4358] CPU: 0 PID: 4358 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 409.649439][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 409.652000][ T4358] Call trace: [ 409.652867][ T4358] dump_backtrace+0x1c8/0x1f4 [ 409.654062][ T4358] show_stack+0x2c/0x3c [ 409.655162][ T4358] dump_stack_lvl+0xc0/0x104 [ 409.656311][ T4358] dump_stack+0x1c/0x50 [ 409.657359][ T4358] should_fail_ex+0x1bc/0x1e0 [ 409.658561][ T4358] __should_failslab+0x64/0x78 [ 409.659685][ T4358] should_failslab+0x10/0x28 [ 409.660868][ T4358] __kmem_cache_alloc_node+0x6c/0x348 [ 409.662283][ T4358] __kmalloc+0x98/0xd8 [ 409.663295][ T4358] tomoyo_supervisor+0x700/0x888 [ 409.664597][ T4358] tomoyo_path_number_perm+0x200/0x2a8 [ 409.666039][ T4358] tomoyo_file_ioctl+0x2c/0x3c [ 409.667223][ T4358] security_file_ioctl+0x4c/0x8c [ 409.668506][ T4358] __arm64_sys_ioctl+0x5c/0x148 [ 409.669715][ T4358] invoke_syscall+0x64/0x178 [ 409.670980][ T4358] el0_svc_common+0xb8/0x174 [ 409.672154][ T4358] do_el0_svc+0x48/0x174 [ 409.673212][ T4358] el0_svc+0x34/0x110 [ 409.674181][ T4358] el0t_64_sync_handler+0x84/0xf0 [ 409.675434][ T4358] el0t_64_sync+0x18c/0x190 [ 409.801799][ T4358] block nbd0: shutting down sockets [ 409.911008][ T4360] FAULT_INJECTION: forcing a failure. [ 409.911008][ T4360] name failslab, interval 1, probability 0, space 0, times 0 [ 409.914462][ T4360] CPU: 0 PID: 4360 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 409.916614][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 409.919149][ T4360] Call trace: [ 409.919955][ T4360] dump_backtrace+0x1c8/0x1f4 [ 409.921107][ T4360] show_stack+0x2c/0x3c [ 409.922152][ T4360] dump_stack_lvl+0xc0/0x104 [ 409.923325][ T4360] dump_stack+0x1c/0x50 [ 409.923741][ T4361] block nbd0: Device being setup by another task [ 409.924362][ T4360] should_fail_ex+0x1bc/0x1e0 [ 409.927217][ T4360] __should_failslab+0x64/0x78 [ 409.928457][ T4360] should_failslab+0x10/0x28 [ 409.929632][ T4360] __kmem_cache_alloc_node+0x6c/0x348 [ 409.930957][ T4360] __kmalloc+0x98/0xd8 [ 409.932040][ T4360] tomoyo_supervisor+0x700/0x888 [ 409.933292][ T4360] tomoyo_path_number_perm+0x200/0x2a8 [ 409.934647][ T4360] tomoyo_file_ioctl+0x2c/0x3c [ 409.935853][ T4360] security_file_ioctl+0x4c/0x8c [ 409.937119][ T4360] __arm64_sys_ioctl+0x5c/0x148 [ 409.938353][ T4360] invoke_syscall+0x64/0x178 [ 409.939671][ T4360] el0_svc_common+0xb8/0x174 [ 409.940803][ T4360] do_el0_svc+0x48/0x174 [ 409.941833][ T4360] el0_svc+0x34/0x110 [ 409.942956][ T4360] el0t_64_sync_handler+0x84/0xf0 [ 409.944290][ T4360] el0t_64_sync+0x18c/0x190 [ 410.068867][ T4360] block nbd0: shutting down sockets [ 410.164066][ T4363] FAULT_INJECTION: forcing a failure. [ 410.164066][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 410.167391][ T4363] CPU: 1 PID: 4363 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 410.169710][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 410.172338][ T4363] Call trace: [ 410.173140][ T4363] dump_backtrace+0x1c8/0x1f4 [ 410.174350][ T4363] show_stack+0x2c/0x3c [ 410.175380][ T4363] dump_stack_lvl+0xc0/0x104 [ 410.176639][ T4363] dump_stack+0x1c/0x50 [ 410.177644][ T4363] should_fail_ex+0x1bc/0x1e0 [ 410.178831][ T4363] __should_failslab+0x64/0x78 [ 410.180076][ T4363] should_failslab+0x10/0x28 [ 410.181247][ T4363] __kmem_cache_alloc_node+0x6c/0x348 [ 410.182644][ T4363] __kmalloc+0x98/0xd8 [ 410.183697][ T4363] tomoyo_supervisor+0x700/0x888 [ 410.185012][ T4363] tomoyo_path_number_perm+0x200/0x2a8 [ 410.186460][ T4363] tomoyo_file_ioctl+0x2c/0x3c [ 410.187701][ T4363] security_file_ioctl+0x4c/0x8c [ 410.189054][ T4363] __arm64_sys_ioctl+0x5c/0x148 [ 410.190244][ T4363] invoke_syscall+0x64/0x178 [ 410.191429][ T4363] el0_svc_common+0xb8/0x174 [ 410.192634][ T4363] do_el0_svc+0x48/0x174 [ 410.193720][ T4363] el0_svc+0x34/0x110 [ 410.194746][ T4363] el0t_64_sync_handler+0x84/0xf0 [ 410.196032][ T4363] el0t_64_sync+0x18c/0x190 [ 410.321888][ T4363] block nbd0: shutting down sockets [ 410.425232][ T4366] FAULT_INJECTION: forcing a failure. [ 410.425232][ T4366] name failslab, interval 1, probability 0, space 0, times 0 [ 410.428589][ T4366] CPU: 1 PID: 4366 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 410.430706][ T4366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 410.433176][ T4366] Call trace: [ 410.434046][ T4366] dump_backtrace+0x1c8/0x1f4 [ 410.435315][ T4366] show_stack+0x2c/0x3c [ 410.436401][ T4366] dump_stack_lvl+0xc0/0x104 [ 410.437594][ T4366] dump_stack+0x1c/0x50 [ 410.438685][ T4366] should_fail_ex+0x1bc/0x1e0 [ 410.439850][ T4366] __should_failslab+0x64/0x78 [ 410.441133][ T4366] should_failslab+0x10/0x28 [ 410.442322][ T4366] __kmem_cache_alloc_node+0x6c/0x348 [ 410.443758][ T4366] __kmalloc+0x98/0xd8 [ 410.444800][ T4366] tomoyo_supervisor+0x700/0x888 [ 410.446027][ T4366] tomoyo_path_number_perm+0x200/0x2a8 [ 410.447409][ T4366] tomoyo_file_ioctl+0x2c/0x3c [ 410.448717][ T4366] security_file_ioctl+0x4c/0x8c [ 410.449909][ T4366] __arm64_sys_ioctl+0x5c/0x148 [ 410.451157][ T4366] invoke_syscall+0x64/0x178 [ 410.452335][ T4366] el0_svc_common+0xb8/0x174 [ 410.453562][ T4366] do_el0_svc+0x48/0x174 [ 410.454674][ T4366] el0_svc+0x34/0x110 [ 410.455757][ T4366] el0t_64_sync_handler+0x84/0xf0 [ 410.457026][ T4366] el0t_64_sync+0x18c/0x190 [ 410.582882][ T4366] block nbd0: shutting down sockets [ 410.693030][ T4368] FAULT_INJECTION: forcing a failure. [ 410.693030][ T4368] name failslab, interval 1, probability 0, space 0, times 0 [ 410.696471][ T4368] CPU: 0 PID: 4368 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 410.698717][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 410.701345][ T4368] Call trace: [ 410.702223][ T4368] dump_backtrace+0x1c8/0x1f4 [ 410.703379][ T4368] show_stack+0x2c/0x3c [ 410.703734][ T4369] block nbd0: Device being setup by another task [ 410.704470][ T4368] dump_stack_lvl+0xc0/0x104 [ 410.707158][ T4368] dump_stack+0x1c/0x50 [ 410.708249][ T4368] should_fail_ex+0x1bc/0x1e0 [ 410.709523][ T4368] __should_failslab+0x64/0x78 [ 410.710782][ T4368] should_failslab+0x10/0x28 [ 410.711888][ T4368] __kmem_cache_alloc_node+0x6c/0x348 [ 410.713225][ T4368] __kmalloc+0x98/0xd8 [ 410.714320][ T4368] tomoyo_supervisor+0x700/0x888 [ 410.715622][ T4368] tomoyo_path_number_perm+0x200/0x2a8 [ 410.717002][ T4368] tomoyo_file_ioctl+0x2c/0x3c [ 410.718253][ T4368] security_file_ioctl+0x4c/0x8c [ 410.719578][ T4368] __arm64_sys_ioctl+0x5c/0x148 [ 410.720880][ T4368] invoke_syscall+0x64/0x178 [ 410.722063][ T4368] el0_svc_common+0xb8/0x174 [ 410.723247][ T4368] do_el0_svc+0x48/0x174 [ 410.724297][ T4368] el0_svc+0x34/0x110 [ 410.725286][ T4368] el0t_64_sync_handler+0x84/0xf0 [ 410.726578][ T4368] el0t_64_sync+0x18c/0x190 [ 410.850931][ T4368] block nbd0: shutting down sockets [ 410.944054][ T4371] FAULT_INJECTION: forcing a failure. [ 410.944054][ T4371] name failslab, interval 1, probability 0, space 0, times 0 [ 410.947275][ T4371] CPU: 1 PID: 4371 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 410.949412][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 410.951996][ T4371] Call trace: [ 410.952801][ T4371] dump_backtrace+0x1c8/0x1f4 [ 410.953953][ T4371] show_stack+0x2c/0x3c [ 410.955035][ T4371] dump_stack_lvl+0xc0/0x104 [ 410.956255][ T4371] dump_stack+0x1c/0x50 [ 410.957266][ T4371] should_fail_ex+0x1bc/0x1e0 [ 410.958366][ T4371] __should_failslab+0x64/0x78 [ 410.959576][ T4371] should_failslab+0x10/0x28 [ 410.960757][ T4371] __kmem_cache_alloc_node+0x6c/0x348 [ 410.962157][ T4371] __kmalloc+0x98/0xd8 [ 410.963293][ T4371] tomoyo_supervisor+0x700/0x888 [ 410.964535][ T4371] tomoyo_path_number_perm+0x200/0x2a8 [ 410.965978][ T4371] tomoyo_file_ioctl+0x2c/0x3c [ 410.967208][ T4371] security_file_ioctl+0x4c/0x8c [ 410.968557][ T4371] __arm64_sys_ioctl+0x5c/0x148 [ 410.969778][ T4371] invoke_syscall+0x64/0x178 [ 410.970935][ T4371] el0_svc_common+0xb8/0x174 [ 410.972085][ T4371] do_el0_svc+0x48/0x174 [ 410.973106][ T4371] el0_svc+0x34/0x110 [ 410.974142][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 410.975405][ T4371] el0t_64_sync+0x18c/0x190 [ 411.101894][ T4371] block nbd0: shutting down sockets [ 411.184109][ T4373] FAULT_INJECTION: forcing a failure. [ 411.184109][ T4373] name failslab, interval 1, probability 0, space 0, times 0 [ 411.187343][ T4373] CPU: 1 PID: 4373 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 411.189582][ T4373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 411.192137][ T4373] Call trace: [ 411.192951][ T4373] dump_backtrace+0x1c8/0x1f4 [ 411.194176][ T4373] show_stack+0x2c/0x3c [ 411.195277][ T4373] dump_stack_lvl+0xc0/0x104 [ 411.196425][ T4373] dump_stack+0x1c/0x50 [ 411.197489][ T4373] should_fail_ex+0x1bc/0x1e0 [ 411.198673][ T4373] __should_failslab+0x64/0x78 [ 411.199920][ T4373] should_failslab+0x10/0x28 [ 411.201080][ T4373] __kmem_cache_alloc_node+0x6c/0x348 [ 411.202449][ T4373] __kmalloc+0x98/0xd8 [ 411.203541][ T4373] tomoyo_supervisor+0x700/0x888 [ 411.204821][ T4373] tomoyo_path_number_perm+0x200/0x2a8 [ 411.206248][ T4373] tomoyo_file_ioctl+0x2c/0x3c [ 411.207506][ T4373] security_file_ioctl+0x4c/0x8c [ 411.208807][ T4373] __arm64_sys_ioctl+0x5c/0x148 [ 411.210059][ T4373] invoke_syscall+0x64/0x178 [ 411.211227][ T4373] el0_svc_common+0xb8/0x174 [ 411.212379][ T4373] do_el0_svc+0x48/0x174 [ 411.213523][ T4373] el0_svc+0x34/0x110 [ 411.214572][ T4373] el0t_64_sync_handler+0x84/0xf0 [ 411.215879][ T4373] el0t_64_sync+0x18c/0x190 [ 411.342023][ T4373] block nbd0: shutting down sockets [ 411.424043][ T4375] FAULT_INJECTION: forcing a failure. [ 411.424043][ T4375] name failslab, interval 1, probability 0, space 0, times 0 [ 411.427463][ T4375] CPU: 0 PID: 4375 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 411.429525][ T4375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 411.432096][ T4375] Call trace: [ 411.432936][ T4375] dump_backtrace+0x1c8/0x1f4 [ 411.434148][ T4375] show_stack+0x2c/0x3c [ 411.435183][ T4375] dump_stack_lvl+0xc0/0x104 [ 411.436307][ T4375] dump_stack+0x1c/0x50 [ 411.437370][ T4375] should_fail_ex+0x1bc/0x1e0 [ 411.438593][ T4375] __should_failslab+0x64/0x78 [ 411.439852][ T4375] should_failslab+0x10/0x28 [ 411.441001][ T4375] slab_pre_alloc_hook+0x54/0x1f4 [ 411.442220][ T4375] kmem_cache_alloc_lru+0x60/0x2ac [ 411.443577][ T4375] alloc_inode+0x7c/0x104 [ 411.444708][ T4375] new_inode+0x2c/0xc0 [ 411.445782][ T4375] debugfs_create_dir+0x98/0x1e0 [ 411.447074][ T4375] nbd_start_device+0x1b4/0x510 [ 411.448290][ T4375] nbd_ioctl+0x228/0x66c [ 411.449417][ T4375] blkdev_ioctl+0x218/0x664 [ 411.450630][ T4375] __arm64_sys_ioctl+0xd0/0x148 [ 411.451857][ T4375] invoke_syscall+0x64/0x178 [ 411.452999][ T4375] el0_svc_common+0xb8/0x174 [ 411.454165][ T4375] do_el0_svc+0x48/0x174 [ 411.455208][ T4375] el0_svc+0x34/0x110 [ 411.456225][ T4375] el0t_64_sync_handler+0x84/0xf0 [ 411.457601][ T4375] el0t_64_sync+0x18c/0x190 [ 411.458810][ T4375] debugfs: out of free dentries, can not create directory 'nbd0' [ 411.460735][ T4375] block nbd0: Failed to create debugfs dir for 'nbd0' [ 411.582401][ T4375] block nbd0: shutting down sockets [ 411.693738][ T4378] block nbd0: Device being setup by another task [ 411.736052][ T4377] FAULT_INJECTION: forcing a failure. [ 411.736052][ T4377] name failslab, interval 1, probability 0, space 0, times 0 [ 411.739284][ T4377] CPU: 1 PID: 4377 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 411.741555][ T4377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 411.744220][ T4377] Call trace: [ 411.745036][ T4377] dump_backtrace+0x1c8/0x1f4 [ 411.746316][ T4377] show_stack+0x2c/0x3c [ 411.747448][ T4377] dump_stack_lvl+0xc0/0x104 [ 411.748720][ T4377] dump_stack+0x1c/0x50 [ 411.749764][ T4377] should_fail_ex+0x1bc/0x1e0 [ 411.750982][ T4377] __should_failslab+0x64/0x78 [ 411.752223][ T4377] should_failslab+0x10/0x28 [ 411.753396][ T4377] __kmem_cache_alloc_node+0x6c/0x348 [ 411.754788][ T4377] __kmalloc_node_track_caller+0x84/0xc0 [ 411.756314][ T4377] kstrdup_const+0x90/0xdc [ 411.757424][ T4377] __kernfs_new_node+0x5c/0x2e8 [ 411.758727][ T4377] kernfs_create_dir_ns+0xac/0x188 [ 411.760065][ T4377] sysfs_create_dir_ns+0x8c/0x168 [ 411.761414][ T4377] kobject_add_internal+0x314/0x64c [ 411.762748][ T4377] kobject_add+0xb8/0x130 [ 411.763904][ T4377] blk_mq_register_hctx+0x54/0x184 [ 411.765188][ T4377] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 411.766650][ T4377] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 411.768101][ T4377] nbd_start_device+0xc4/0x510 [ 411.769339][ T4377] nbd_ioctl+0x228/0x66c [ 411.770513][ T4377] blkdev_ioctl+0x218/0x664 [ 411.771699][ T4377] __arm64_sys_ioctl+0xd0/0x148 [ 411.772936][ T4377] invoke_syscall+0x64/0x178 [ 411.774041][ T4377] el0_svc_common+0xb8/0x174 [ 411.775216][ T4377] do_el0_svc+0x48/0x174 [ 411.776358][ T4377] el0_svc+0x34/0x110 [ 411.777442][ T4377] el0t_64_sync_handler+0x84/0xf0 [ 411.778724][ T4377] el0t_64_sync+0x18c/0x190 [ 411.779920][ T4377] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 411.887080][ T4377] block nbd0: shutting down sockets [ 412.013733][ T4381] block nbd0: Device being setup by another task [ 412.015439][ T4380] FAULT_INJECTION: forcing a failure. [ 412.015439][ T4380] name failslab, interval 1, probability 0, space 0, times 0 [ 412.018883][ T4380] CPU: 1 PID: 4380 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 412.021121][ T4380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 412.023756][ T4380] Call trace: [ 412.024624][ T4380] dump_backtrace+0x1c8/0x1f4 [ 412.025812][ T4380] show_stack+0x2c/0x3c [ 412.026913][ T4380] dump_stack_lvl+0xc0/0x104 [ 412.028106][ T4380] dump_stack+0x1c/0x50 [ 412.029185][ T4380] should_fail_ex+0x1bc/0x1e0 [ 412.030402][ T4380] __should_failslab+0x64/0x78 [ 412.031603][ T4380] should_failslab+0x10/0x28 [ 412.032749][ T4380] slab_pre_alloc_hook+0x54/0x1f4 [ 412.034043][ T4380] kmem_cache_alloc_lru+0x60/0x2ac [ 412.035363][ T4380] alloc_inode+0x7c/0x104 [ 412.036526][ T4380] new_inode+0x2c/0xc0 [ 412.037628][ T4380] debugfs_create_dir+0x98/0x1e0 [ 412.038992][ T4380] nbd_start_device+0x1b4/0x510 [ 412.040315][ T4380] nbd_ioctl+0x228/0x66c [ 412.041400][ T4380] blkdev_ioctl+0x218/0x664 [ 412.042597][ T4380] __arm64_sys_ioctl+0xd0/0x148 [ 412.043864][ T4380] invoke_syscall+0x64/0x178 [ 412.045095][ T4380] el0_svc_common+0xb8/0x174 [ 412.046288][ T4380] do_el0_svc+0x48/0x174 [ 412.047496][ T4380] el0_svc+0x34/0x110 [ 412.048526][ T4380] el0t_64_sync_handler+0x84/0xf0 [ 412.049881][ T4380] el0t_64_sync+0x18c/0x190 [ 412.051038][ T4380] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.052911][ T4380] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.155151][ T4380] block nbd0: shutting down sockets [ 412.273771][ T4384] block nbd0: Device being setup by another task [ 412.275452][ T4383] FAULT_INJECTION: forcing a failure. [ 412.275452][ T4383] name failslab, interval 1, probability 0, space 0, times 0 [ 412.278790][ T4383] CPU: 0 PID: 4383 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 412.280896][ T4383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 412.283468][ T4383] Call trace: [ 412.284323][ T4383] dump_backtrace+0x1c8/0x1f4 [ 412.285574][ T4383] show_stack+0x2c/0x3c [ 412.286674][ T4383] dump_stack_lvl+0xc0/0x104 [ 412.287941][ T4383] dump_stack+0x1c/0x50 [ 412.289100][ T4383] should_fail_ex+0x1bc/0x1e0 [ 412.290382][ T4383] __should_failslab+0x64/0x78 [ 412.291715][ T4383] should_failslab+0x10/0x28 [ 412.292927][ T4383] slab_pre_alloc_hook+0x54/0x1f4 [ 412.294268][ T4383] kmem_cache_alloc_lru+0x60/0x2ac [ 412.295581][ T4383] alloc_inode+0x7c/0x104 [ 412.296732][ T4383] new_inode+0x2c/0xc0 [ 412.297754][ T4383] debugfs_create_dir+0x98/0x1e0 [ 412.298978][ T4383] nbd_start_device+0x1b4/0x510 [ 412.300168][ T4383] nbd_ioctl+0x228/0x66c [ 412.301307][ T4383] blkdev_ioctl+0x218/0x664 [ 412.302507][ T4383] __arm64_sys_ioctl+0xd0/0x148 [ 412.303749][ T4383] invoke_syscall+0x64/0x178 [ 412.304912][ T4383] el0_svc_common+0xb8/0x174 [ 412.306076][ T4383] do_el0_svc+0x48/0x174 [ 412.307232][ T4383] el0_svc+0x34/0x110 [ 412.308280][ T4383] el0t_64_sync_handler+0x84/0xf0 [ 412.309604][ T4383] el0t_64_sync+0x18c/0x190 [ 412.310816][ T4383] debugfs: out of free dentries, can not create directory 'nbd0' [ 412.312800][ T4383] block nbd0: Failed to create debugfs dir for 'nbd0' [ 412.423622][ T4383] block nbd0: shutting down sockets [ 412.574943][ T4387] ------------[ cut here ]------------ [ 412.576416][ T4387] kernfs: can not remove 'nr_tags', no directory [ 412.578284][ T4387] WARNING: CPU: 0 PID: 4387 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 412.580821][ T4387] Modules linked in: [ 412.581804][ T4387] CPU: 0 PID: 4387 Comm: syz-executor102 Not tainted 6.1.83-syzkaller #0 [ 412.583844][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 412.586531][ T4387] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 412.588612][ T4387] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 412.590118][ T4387] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 412.591593][ T4387] sp : ffff80001407bac0 [ 412.592701][ T4387] x29: ffff80001407bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 412.594744][ T4387] x26: ffff0000c4e06d08 x25: ffff80001407bbe8 x24: ffff0000cc0e6e00 [ 412.596806][ T4387] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 412.598920][ T4387] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 412.601028][ T4387] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 412.603186][ T4387] x14: 0000000000000000 x13: 205d373833345420 x12: ffff80000d183000 [ 412.605308][ T4387] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 97d781c1feb23c00 [ 412.607312][ T4387] x8 : 97d781c1feb23c00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 412.609353][ T4387] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 412.611483][ T4387] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 412.613468][ T4387] Call trace: [ 412.614284][ T4387] kernfs_remove_by_name_ns+0xb4/0x110 [ 412.615627][ T4387] sysfs_remove_group+0x68/0x160 [ 412.616928][ T4387] sysfs_remove_groups+0x3c/0x78 [ 412.618160][ T4387] __kobject_del+0x34/0x134 [ 412.619373][ T4387] kobject_del+0x2c/0x4c [ 412.620461][ T4387] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 412.622012][ T4387] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 412.623372][ T4387] nbd_start_device+0xc4/0x510 [ 412.624534][ T4387] nbd_ioctl+0x228/0x66c [ 412.625644][ T4387] blkdev_ioctl+0x218/0x664 [ 412.626743][ T4387] __arm64_sys_ioctl+0xd0/0x148 [ 412.628021][ T4387] invoke_syscall+0x64/0x178 [ 412.629284][ T4387] el0_svc_common+0xb8/0x174 [ 412.630446][ T4387] do_el0_svc+0x48/0x174 [ 412.631499][ T4387] el0_svc+0x34/0x110 [ 412.632521][ T4387] el0t_64_sync_handler+0x84/0xf0 [ 412.633853][ T4387] el0t_64_sync+0x18c/0x190 [ 412.635012][ T4387] ---[ end trace 0000000000000000 ]--- [ 412.636490][ T4387] ------------[ cut here ]------------ [ 412.637910][ T4387] kernfs: can not remove 'nr_reserved_tags', no directory [ 412.639695][ T4387] WARNING: CPU: 0 PID: 4387 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 412.642085][ T4387] Modules linked in: [ 412.643096][ T4387] CPU: 0 PID: 4387 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 412.645700][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 412.648238][ T4387] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 412.650265][ T4387] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 412.651818][ T4387] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 412.653276][ T4387] sp : ffff80001407bac0 [ 412.654302][ T4387] x29: ffff80001407bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 412.656388][ T4387] x26: ffff0000c4e06d08 x25: ffff80001407bbe8 x24: ffff0000cc0e6e00 [ 412.658404][ T4387] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 412.660569][ T4387] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 412.662670][ T4387] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 412.664696][ T4387] x14: 0000000000000000 x13: 205d373833345420 x12: ffff80000d183000 [ 412.666709][ T4387] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 97d781c1feb23c00 [ 412.668839][ T4387] x8 : 97d781c1feb23c00 x7 : 0000000000000000 x6 : ffff80000ae0b6c0 [ 412.670951][ T4387] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dcea8 [ 412.673008][ T4387] x2 : ffff0001fe9dcea8 x1 : ffff80000b9a3c29 x0 : 0000000000000001 [ 412.675176][ T4387] Call trace: [ 412.676081][ T4387] kernfs_remove_by_name_ns+0xb4/0x110 [ 412.677524][ T4387] sysfs_remove_group+0x68/0x160 [ 412.678872][ T4387] sysfs_remove_groups+0x3c/0x78 [ 412.680213][ T4387] __kobject_del+0x34/0x134 [ 412.681440][ T4387] kobject_del+0x2c/0x4c [ 412.682559][ T4387] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 412.684083][ T4387] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 412.685574][ T4387] nbd_start_device+0xc4/0x510 [ 412.686828][ T4387] nbd_ioctl+0x228/0x66c [ 412.687983][ T4387] blkdev_ioctl+0x218/0x664 [ 412.689148][ T4387] __arm64_sys_ioctl+0xd0/0x148 [ 412.690352][ T4387] invoke_syscall+0x64/0x178 [ 412.691524][ T4387] el0_svc_common+0xb8/0x174 [ 412.692755][ T4387] do_el0_svc+0x48/0x174 [ 412.693878][ T4387] el0_svc+0x34/0x110 [ 412.694942][ T4387] el0t_64_sync_handler+0x84/0xf0 [ 412.696244][ T4387] el0t_64_sync+0x18c/0x190 [ 412.697429][ T4387] ---[ end trace 0000000000000000 ]--- [ 412.698911][ T4387] ------------[ cut here ]------------ [ 412.700204][ T4387] kernfs: can not remove 'cpu_list', no directory [ 412.701855][ T4387] WARNING: CPU: 0 PID: 4387 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 412.704248][ T4387] Modules linked in: [ 412.705296][ T4387] CPU: 0 PID: 4387 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 412.707958][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 412.710658][ T4387] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 412.712709][ T4387] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 412.714187][ T4387] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 412.715693][ T4387] sp : ffff80001407bac0 [ 412.716800][ T4387] x29: ffff80001407bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 412.718866][ T4387] x26: ffff0000c4e06d08 x25: ffff80001407bbe8 x24: ffff0000cc0e6e00 [ 412.720945][ T4387] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 412.722949][ T4387] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 412.725054][ T4387] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 412.727249][ T4387] x14: 0000000000000000 x13: 205d373833345420 x12: ffff80000d183000 [ 412.729284][ T4387] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 97d781c1feb23c00 [ 412.731478][ T4387] x8 : 97d781c1feb23c00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 412.733496][ T4387] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 412.735509][ T4387] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 412.737619][ T4387] Call trace: [ 412.738405][ T4387] kernfs_remove_by_name_ns+0xb4/0x110 [ 412.739805][ T4387] sysfs_remove_group+0x68/0x160 [ 412.741192][ T4387] sysfs_remove_groups+0x3c/0x78 [ 412.742525][ T4387] __kobject_del+0x34/0x134 [ 412.743670][ T4387] kobject_del+0x2c/0x4c [ 412.744712][ T4387] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 412.746182][ T4387] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 412.747644][ T4387] nbd_start_device+0xc4/0x510 [ 412.748858][ T4387] nbd_ioctl+0x228/0x66c [ 412.749909][ T4387] blkdev_ioctl+0x218/0x664 [ 412.751110][ T4387] __arm64_sys_ioctl+0xd0/0x148 [ 412.752338][ T4387] invoke_syscall+0x64/0x178 [ 412.753583][ T4387] el0_svc_common+0xb8/0x174 [ 412.754765][ T4387] do_el0_svc+0x48/0x174 [ 412.755903][ T4387] el0_svc+0x34/0x110 [ 412.756888][ T4387] el0t_64_sync_handler+0x84/0xf0 [ 412.758204][ T4387] el0t_64_sync+0x18c/0x190 [ 412.759322][ T4387] ---[ end trace 0000000000000000 ]--- [ 412.762226][ T4387] block nbd0: shutting down sockets [ 412.873741][ T4390] block nbd0: Device being setup by another task [ 412.925843][ T4389] FAULT_INJECTION: forcing a failure. [ 412.925843][ T4389] name failslab, interval 1, probability 0, space 0, times 0 [ 412.929170][ T4389] CPU: 0 PID: 4389 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 412.931770][ T4389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 412.934387][ T4389] Call trace: [ 412.935257][ T4389] dump_backtrace+0x1c8/0x1f4 [ 412.936463][ T4389] show_stack+0x2c/0x3c [ 412.937524][ T4389] dump_stack_lvl+0xc0/0x104 [ 412.938685][ T4389] dump_stack+0x1c/0x50 [ 412.939739][ T4389] should_fail_ex+0x1bc/0x1e0 [ 412.940950][ T4389] __should_failslab+0x64/0x78 [ 412.942188][ T4389] should_failslab+0x10/0x28 [ 412.943332][ T4389] __kmem_cache_alloc_node+0x6c/0x348 [ 412.944644][ T4389] __kmalloc_node_track_caller+0x84/0xc0 [ 412.946124][ T4389] kstrdup_const+0x90/0xdc [ 412.947209][ T4389] __kernfs_new_node+0x5c/0x2e8 [ 412.948398][ T4389] kernfs_create_dir_ns+0xac/0x188 [ 412.949758][ T4389] sysfs_create_dir_ns+0x8c/0x168 [ 412.950972][ T4389] kobject_add_internal+0x314/0x64c [ 412.952379][ T4389] kobject_add+0xb8/0x130 [ 412.953537][ T4389] blk_mq_register_hctx+0x54/0x184 [ 412.954880][ T4389] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 412.956388][ T4389] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 412.957901][ T4389] nbd_start_device+0xc4/0x510 [ 412.959122][ T4389] nbd_ioctl+0x228/0x66c [ 412.960269][ T4389] blkdev_ioctl+0x218/0x664 [ 412.961401][ T4389] __arm64_sys_ioctl+0xd0/0x148 [ 412.962684][ T4389] invoke_syscall+0x64/0x178 [ 412.963886][ T4389] el0_svc_common+0xb8/0x174 [ 412.965081][ T4389] do_el0_svc+0x48/0x174 [ 412.966218][ T4389] el0_svc+0x34/0x110 [ 412.967230][ T4389] el0t_64_sync_handler+0x84/0xf0 [ 412.968508][ T4389] el0t_64_sync+0x18c/0x190 [ 412.969767][ T4389] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 413.034870][ T4389] block nbd0: shutting down sockets [ 413.185031][ T4393] ------------[ cut here ]------------ [ 413.186570][ T4393] kernfs: can not remove 'nr_tags', no directory [ 413.188225][ T4393] WARNING: CPU: 1 PID: 4393 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.190624][ T4393] Modules linked in: [ 413.191580][ T4393] CPU: 1 PID: 4393 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 413.194186][ T4393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 413.196724][ T4393] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.198789][ T4393] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.200292][ T4393] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.201790][ T4393] sp : ffff80000def3ac0 [ 413.202906][ T4393] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 413.204953][ T4393] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0000ca3ffe80 [ 413.207123][ T4393] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 413.209282][ T4393] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.211376][ T4393] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 413.213369][ T4393] x14: 0000000000000000 x13: 205d333933345420 x12: ffff80000d183000 [ 413.215397][ T4393] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6484026c5a869e00 [ 413.217494][ T4393] x8 : 6484026c5a869e00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 413.219626][ T4393] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.221833][ T4393] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.223841][ T4393] Call trace: [ 413.224735][ T4393] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.226198][ T4393] sysfs_remove_group+0x68/0x160 [ 413.227517][ T4393] sysfs_remove_groups+0x3c/0x78 [ 413.228767][ T4393] __kobject_del+0x34/0x134 [ 413.229915][ T4393] kobject_del+0x2c/0x4c [ 413.230986][ T4393] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.232495][ T4393] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.234056][ T4393] nbd_start_device+0xc4/0x510 [ 413.235170][ T4393] nbd_ioctl+0x228/0x66c [ 413.236241][ T4393] blkdev_ioctl+0x218/0x664 [ 413.237478][ T4393] __arm64_sys_ioctl+0xd0/0x148 [ 413.238813][ T4393] invoke_syscall+0x64/0x178 [ 413.239947][ T4393] el0_svc_common+0xb8/0x174 [ 413.241124][ T4393] do_el0_svc+0x48/0x174 [ 413.242248][ T4393] el0_svc+0x34/0x110 [ 413.243303][ T4393] el0t_64_sync_handler+0x84/0xf0 [ 413.244630][ T4393] el0t_64_sync+0x18c/0x190 [ 413.245769][ T4393] ---[ end trace 0000000000000000 ]--- [ 413.247241][ T4393] ------------[ cut here ]------------ [ 413.248660][ T4393] kernfs: can not remove 'nr_reserved_tags', no directory [ 413.250541][ T4393] WARNING: CPU: 1 PID: 4393 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.253132][ T4393] Modules linked in: [ 413.254096][ T4393] CPU: 1 PID: 4393 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 413.256712][ T4393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 413.259310][ T4393] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.261347][ T4393] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.262882][ T4393] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.264471][ T4393] sp : ffff80000def3ac0 [ 413.265583][ T4393] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 413.267601][ T4393] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0000ca3ffe80 [ 413.269622][ T4393] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 413.271767][ T4393] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.273858][ T4393] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 413.275996][ T4393] x14: 0000000000000000 x13: 205d333933345420 x12: ffff80000d183000 [ 413.278044][ T4393] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6484026c5a869e00 [ 413.280239][ T4393] x8 : 6484026c5a869e00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 413.282337][ T4393] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.284498][ T4393] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.286573][ T4393] Call trace: [ 413.287466][ T4393] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.288908][ T4393] sysfs_remove_group+0x68/0x160 [ 413.290295][ T4393] sysfs_remove_groups+0x3c/0x78 [ 413.291674][ T4393] __kobject_del+0x34/0x134 [ 413.292843][ T4393] kobject_del+0x2c/0x4c [ 413.293908][ T4393] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.295435][ T4393] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.297015][ T4393] nbd_start_device+0xc4/0x510 [ 413.298225][ T4393] nbd_ioctl+0x228/0x66c [ 413.299396][ T4393] blkdev_ioctl+0x218/0x664 [ 413.300639][ T4393] __arm64_sys_ioctl+0xd0/0x148 [ 413.301878][ T4393] invoke_syscall+0x64/0x178 [ 413.303038][ T4393] el0_svc_common+0xb8/0x174 [ 413.304234][ T4393] do_el0_svc+0x48/0x174 [ 413.305429][ T4393] el0_svc+0x34/0x110 [ 413.306508][ T4393] el0t_64_sync_handler+0x84/0xf0 [ 413.307841][ T4393] el0t_64_sync+0x18c/0x190 [ 413.309038][ T4393] ---[ end trace 0000000000000000 ]--- [ 413.310558][ T4393] ------------[ cut here ]------------ [ 413.312009][ T4393] kernfs: can not remove 'cpu_list', no directory [ 413.313695][ T4393] WARNING: CPU: 1 PID: 4393 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 413.316239][ T4393] Modules linked in: [ 413.317255][ T4393] CPU: 1 PID: 4393 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 413.319824][ T4393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 413.322516][ T4393] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 413.324495][ T4393] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 413.325985][ T4393] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 413.327467][ T4393] sp : ffff80000def3ac0 [ 413.328516][ T4393] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 413.330574][ T4393] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0000ca3ffe80 [ 413.332683][ T4393] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 413.334892][ T4393] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 413.337021][ T4393] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 413.339069][ T4393] x14: 0000000000000000 x13: 205d333933345420 x12: ffff80000d183000 [ 413.341203][ T4393] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6484026c5a869e00 [ 413.343329][ T4393] x8 : 6484026c5a869e00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 413.345393][ T4393] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 413.347448][ T4393] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 413.349580][ T4393] Call trace: [ 413.350438][ T4393] kernfs_remove_by_name_ns+0xb4/0x110 [ 413.351904][ T4393] sysfs_remove_group+0x68/0x160 [ 413.353160][ T4393] sysfs_remove_groups+0x3c/0x78 [ 413.354479][ T4393] __kobject_del+0x34/0x134 [ 413.355673][ T4393] kobject_del+0x2c/0x4c [ 413.356880][ T4393] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 413.358459][ T4393] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 413.359962][ T4393] nbd_start_device+0xc4/0x510 [ 413.361149][ T4393] nbd_ioctl+0x228/0x66c [ 413.362289][ T4393] blkdev_ioctl+0x218/0x664 [ 413.363505][ T4393] __arm64_sys_ioctl+0xd0/0x148 [ 413.364750][ T4393] invoke_syscall+0x64/0x178 [ 413.365933][ T4393] el0_svc_common+0xb8/0x174 [ 413.367099][ T4393] do_el0_svc+0x48/0x174 [ 413.368204][ T4393] el0_svc+0x34/0x110 [ 413.369181][ T4393] el0t_64_sync_handler+0x84/0xf0 [ 413.370426][ T4393] el0t_64_sync+0x18c/0x190 [ 413.371644][ T4393] ---[ end trace 0000000000000000 ]--- [ 413.375535][ T4393] block nbd0: shutting down sockets [ 413.493758][ T4396] block nbd0: Device being setup by another task [ 413.535666][ T4395] FAULT_INJECTION: forcing a failure. [ 413.535666][ T4395] name failslab, interval 1, probability 0, space 0, times 0 [ 413.539150][ T4395] CPU: 0 PID: 4395 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 413.541539][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 413.544093][ T4395] Call trace: [ 413.544931][ T4395] dump_backtrace+0x1c8/0x1f4 [ 413.546153][ T4395] show_stack+0x2c/0x3c [ 413.547197][ T4395] dump_stack_lvl+0xc0/0x104 [ 413.548454][ T4395] dump_stack+0x1c/0x50 [ 413.549579][ T4395] should_fail_ex+0x1bc/0x1e0 [ 413.550865][ T4395] __should_failslab+0x64/0x78 [ 413.552106][ T4395] should_failslab+0x10/0x28 [ 413.553379][ T4395] __kmem_cache_alloc_node+0x6c/0x348 [ 413.554810][ T4395] __kmalloc_node_track_caller+0x84/0xc0 [ 413.556282][ T4395] kstrdup_const+0x90/0xdc [ 413.557436][ T4395] __kernfs_new_node+0x5c/0x2e8 [ 413.558679][ T4395] kernfs_create_dir_ns+0xac/0x188 [ 413.560105][ T4395] sysfs_create_dir_ns+0x8c/0x168 [ 413.561378][ T4395] kobject_add_internal+0x314/0x64c [ 413.562752][ T4395] kobject_add+0xb8/0x130 [ 413.563893][ T4395] blk_mq_register_hctx+0x54/0x184 [ 413.565244][ T4395] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 413.566755][ T4395] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 413.568239][ T4395] nbd_start_device+0xc4/0x510 [ 413.569513][ T4395] nbd_ioctl+0x228/0x66c [ 413.570617][ T4395] blkdev_ioctl+0x218/0x664 [ 413.571824][ T4395] __arm64_sys_ioctl+0xd0/0x148 [ 413.573087][ T4395] invoke_syscall+0x64/0x178 [ 413.574280][ T4395] el0_svc_common+0xb8/0x174 [ 413.575498][ T4395] do_el0_svc+0x48/0x174 [ 413.576637][ T4395] el0_svc+0x34/0x110 [ 413.577704][ T4395] el0t_64_sync_handler+0x84/0xf0 [ 413.579041][ T4395] el0t_64_sync+0x18c/0x190 [ 413.580320][ T4395] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 413.644271][ T4395] block nbd0: shutting down sockets [ 413.743773][ T4399] block nbd0: Device being setup by another task [ 413.745638][ T4398] FAULT_INJECTION: forcing a failure. [ 413.745638][ T4398] name failslab, interval 1, probability 0, space 0, times 0 [ 413.748781][ T4398] CPU: 1 PID: 4398 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 413.751342][ T4398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 413.753987][ T4398] Call trace: [ 413.754857][ T4398] dump_backtrace+0x1c8/0x1f4 [ 413.756104][ T4398] show_stack+0x2c/0x3c [ 413.757202][ T4398] dump_stack_lvl+0xc0/0x104 [ 413.758421][ T4398] dump_stack+0x1c/0x50 [ 413.759520][ T4398] should_fail_ex+0x1bc/0x1e0 [ 413.760737][ T4398] __should_failslab+0x64/0x78 [ 413.761977][ T4398] should_failslab+0x10/0x28 [ 413.763309][ T4398] slab_pre_alloc_hook+0x54/0x1f4 [ 413.764588][ T4398] kmem_cache_alloc_lru+0x60/0x2ac [ 413.765925][ T4398] alloc_inode+0x7c/0x104 [ 413.767109][ T4398] new_inode+0x2c/0xc0 [ 413.768204][ T4398] debugfs_create_dir+0x98/0x1e0 [ 413.769450][ T4398] nbd_start_device+0x1b4/0x510 [ 413.770673][ T4398] nbd_ioctl+0x228/0x66c [ 413.771777][ T4398] blkdev_ioctl+0x218/0x664 [ 413.772972][ T4398] __arm64_sys_ioctl+0xd0/0x148 [ 413.774181][ T4398] invoke_syscall+0x64/0x178 [ 413.775317][ T4398] el0_svc_common+0xb8/0x174 [ 413.776493][ T4398] do_el0_svc+0x48/0x174 [ 413.777629][ T4398] el0_svc+0x34/0x110 [ 413.778595][ T4398] el0t_64_sync_handler+0x84/0xf0 [ 413.779908][ T4398] el0t_64_sync+0x18c/0x190 [ 413.781116][ T4398] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.783143][ T4398] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.902759][ T4398] block nbd0: shutting down sockets [ 414.023730][ T4402] block nbd0: Device being setup by another task [ 414.025587][ T4401] FAULT_INJECTION: forcing a failure. [ 414.025587][ T4401] name failslab, interval 1, probability 0, space 0, times 0 [ 414.028854][ T4401] CPU: 1 PID: 4401 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 414.031420][ T4401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 414.034023][ T4401] Call trace: [ 414.034835][ T4401] dump_backtrace+0x1c8/0x1f4 [ 414.036071][ T4401] show_stack+0x2c/0x3c [ 414.037170][ T4401] dump_stack_lvl+0xc0/0x104 [ 414.038454][ T4401] dump_stack+0x1c/0x50 [ 414.039567][ T4401] should_fail_ex+0x1bc/0x1e0 [ 414.040819][ T4401] __should_failslab+0x64/0x78 [ 414.042211][ T4401] should_failslab+0x10/0x28 [ 414.043385][ T4401] slab_pre_alloc_hook+0x54/0x1f4 [ 414.044679][ T4401] kmem_cache_alloc_lru+0x60/0x2ac [ 414.046098][ T4401] alloc_inode+0x7c/0x104 [ 414.047299][ T4401] new_inode+0x2c/0xc0 [ 414.048336][ T4401] debugfs_create_dir+0x98/0x1e0 [ 414.049666][ T4401] nbd_start_device+0x1b4/0x510 [ 414.050977][ T4401] nbd_ioctl+0x228/0x66c [ 414.052076][ T4401] blkdev_ioctl+0x218/0x664 [ 414.053242][ T4401] __arm64_sys_ioctl+0xd0/0x148 [ 414.054601][ T4401] invoke_syscall+0x64/0x178 [ 414.055803][ T4401] el0_svc_common+0xb8/0x174 [ 414.057021][ T4401] do_el0_svc+0x48/0x174 [ 414.058149][ T4401] el0_svc+0x34/0x110 [ 414.059179][ T4401] el0t_64_sync_handler+0x84/0xf0 [ 414.060486][ T4401] el0t_64_sync+0x18c/0x190 [ 414.061706][ T4401] debugfs: out of free dentries, can not create directory 'nbd0' [ 414.063670][ T4401] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.169801][ T4401] block nbd0: shutting down sockets [ 414.345655][ T4405] ------------[ cut here ]------------ [ 414.347158][ T4405] kernfs: can not remove 'nr_tags', no directory [ 414.348845][ T4405] WARNING: CPU: 1 PID: 4405 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.351433][ T4405] Modules linked in: [ 414.352434][ T4405] CPU: 1 PID: 4405 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 414.354945][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 414.357638][ T4405] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.359727][ T4405] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.361243][ T4405] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.362777][ T4405] sp : ffff80000deb3ac0 [ 414.363903][ T4405] x29: ffff80000deb3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 414.365994][ T4405] x26: ffff0000c4e06d08 x25: ffff80000deb3be8 x24: ffff0000c0256980 [ 414.368029][ T4405] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 414.370118][ T4405] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.372283][ T4405] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 414.374403][ T4405] x14: 0000000000000000 x13: 205d353034345420 x12: ffff80000d183000 [ 414.376933][ T4405] x11: 0000000000ff0100 x10: 0000000000000000 x9 : fb75c103463e2100 [ 414.379513][ T4405] x8 : fb75c103463e2100 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 414.382095][ T4405] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.384197][ T4405] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.386225][ T4405] Call trace: [ 414.387103][ T4405] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.388522][ T4405] sysfs_remove_group+0x68/0x160 [ 414.389862][ T4405] sysfs_remove_groups+0x3c/0x78 [ 414.391088][ T4405] __kobject_del+0x34/0x134 [ 414.392304][ T4405] kobject_del+0x2c/0x4c [ 414.393421][ T4405] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.394888][ T4405] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.396465][ T4405] nbd_start_device+0xc4/0x510 [ 414.397745][ T4405] nbd_ioctl+0x228/0x66c [ 414.398878][ T4405] blkdev_ioctl+0x218/0x664 [ 414.400123][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 414.401429][ T4405] invoke_syscall+0x64/0x178 [ 414.402636][ T4405] el0_svc_common+0xb8/0x174 [ 414.403850][ T4405] do_el0_svc+0x48/0x174 [ 414.404837][ T4405] el0_svc+0x34/0x110 [ 414.405905][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 414.407238][ T4405] el0t_64_sync+0x18c/0x190 [ 414.408463][ T4405] ---[ end trace 0000000000000000 ]--- [ 414.409903][ T4405] ------------[ cut here ]------------ [ 414.411293][ T4405] kernfs: can not remove 'nr_reserved_tags', no directory [ 414.413189][ T4405] WARNING: CPU: 1 PID: 4405 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.415670][ T4405] Modules linked in: [ 414.416696][ T4405] CPU: 1 PID: 4405 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 414.419249][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 414.421880][ T4405] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.423882][ T4405] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.425315][ T4405] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.426808][ T4405] sp : ffff80000deb3ac0 [ 414.427844][ T4405] x29: ffff80000deb3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 414.429935][ T4405] x26: ffff0000c4e06d08 x25: ffff80000deb3be8 x24: ffff0000c0256980 [ 414.432049][ T4405] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 414.434111][ T4405] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.436185][ T4405] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 414.438351][ T4405] x14: 0000000000000000 x13: 205d353034345420 x12: ffff80000d183000 [ 414.440539][ T4405] x11: 0000000000ff0100 x10: 0000000000000000 x9 : fb75c103463e2100 [ 414.442560][ T4405] x8 : fb75c103463e2100 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 414.444679][ T4405] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.446767][ T4405] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.448793][ T4405] Call trace: [ 414.449669][ T4405] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.451115][ T4405] sysfs_remove_group+0x68/0x160 [ 414.452396][ T4405] sysfs_remove_groups+0x3c/0x78 [ 414.453730][ T4405] __kobject_del+0x34/0x134 [ 414.454901][ T4405] kobject_del+0x2c/0x4c [ 414.455974][ T4405] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.457595][ T4405] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.459121][ T4405] nbd_start_device+0xc4/0x510 [ 414.460377][ T4405] nbd_ioctl+0x228/0x66c [ 414.461405][ T4405] blkdev_ioctl+0x218/0x664 [ 414.462656][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 414.463961][ T4405] invoke_syscall+0x64/0x178 [ 414.465109][ T4405] el0_svc_common+0xb8/0x174 [ 414.466324][ T4405] do_el0_svc+0x48/0x174 [ 414.467442][ T4405] el0_svc+0x34/0x110 [ 414.468526][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 414.469831][ T4405] el0t_64_sync+0x18c/0x190 [ 414.470949][ T4405] ---[ end trace 0000000000000000 ]--- [ 414.472404][ T4405] ------------[ cut here ]------------ [ 414.473796][ T4405] kernfs: can not remove 'cpu_list', no directory [ 414.475512][ T4405] WARNING: CPU: 1 PID: 4405 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 414.477948][ T4405] Modules linked in: [ 414.478991][ T4405] CPU: 1 PID: 4405 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 414.481556][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 414.484225][ T4405] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 414.486255][ T4405] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 414.487737][ T4405] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 414.489312][ T4405] sp : ffff80000deb3ac0 [ 414.490428][ T4405] x29: ffff80000deb3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 414.492569][ T4405] x26: ffff0000c4e06d08 x25: ffff80000deb3be8 x24: ffff0000c0256980 [ 414.494627][ T4405] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 414.496753][ T4405] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 414.498837][ T4405] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 414.500921][ T4405] x14: 0000000000000000 x13: 205d353034345420 x12: ffff80000d183000 [ 414.503064][ T4405] x11: 0000000000ff0100 x10: 0000000000000000 x9 : fb75c103463e2100 [ 414.505106][ T4405] x8 : fb75c103463e2100 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 414.507226][ T4405] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 414.509275][ T4405] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 414.511364][ T4405] Call trace: [ 414.512233][ T4405] kernfs_remove_by_name_ns+0xb4/0x110 [ 414.513657][ T4405] sysfs_remove_group+0x68/0x160 [ 414.514943][ T4405] sysfs_remove_groups+0x3c/0x78 [ 414.516148][ T4405] __kobject_del+0x34/0x134 [ 414.517355][ T4405] kobject_del+0x2c/0x4c [ 414.518446][ T4405] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 414.520008][ T4405] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 414.521472][ T4405] nbd_start_device+0xc4/0x510 [ 414.522778][ T4405] nbd_ioctl+0x228/0x66c [ 414.523967][ T4405] blkdev_ioctl+0x218/0x664 [ 414.525128][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 414.526355][ T4405] invoke_syscall+0x64/0x178 [ 414.527589][ T4405] el0_svc_common+0xb8/0x174 [ 414.528792][ T4405] do_el0_svc+0x48/0x174 [ 414.529878][ T4405] el0_svc+0x34/0x110 [ 414.530886][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 414.532213][ T4405] el0t_64_sync+0x18c/0x190 [ 414.533257][ T4405] ---[ end trace 0000000000000000 ]--- [ 414.537233][ T4405] block nbd0: shutting down sockets [ 414.653786][ T4408] block nbd0: Device being setup by another task [ 414.695354][ T4407] FAULT_INJECTION: forcing a failure. [ 414.695354][ T4407] name failslab, interval 1, probability 0, space 0, times 0 [ 414.698846][ T4407] CPU: 1 PID: 4407 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 414.701349][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 414.703878][ T4407] Call trace: [ 414.704703][ T4407] dump_backtrace+0x1c8/0x1f4 [ 414.705928][ T4407] show_stack+0x2c/0x3c [ 414.707070][ T4407] dump_stack_lvl+0xc0/0x104 [ 414.708275][ T4407] dump_stack+0x1c/0x50 [ 414.709358][ T4407] should_fail_ex+0x1bc/0x1e0 [ 414.710624][ T4407] __should_failslab+0x64/0x78 [ 414.711840][ T4407] should_failslab+0x10/0x28 [ 414.713079][ T4407] __kmem_cache_alloc_node+0x6c/0x348 [ 414.714458][ T4407] __kmalloc_node_track_caller+0x84/0xc0 [ 414.715927][ T4407] kstrdup_const+0x90/0xdc [ 414.717062][ T4407] __kernfs_new_node+0x5c/0x2e8 [ 414.718315][ T4407] kernfs_create_dir_ns+0xac/0x188 [ 414.719691][ T4407] sysfs_create_dir_ns+0x8c/0x168 [ 414.720993][ T4407] kobject_add_internal+0x314/0x64c [ 414.722388][ T4407] kobject_add+0xb8/0x130 [ 414.723473][ T4407] blk_mq_register_hctx+0x54/0x184 [ 414.724788][ T4407] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 414.726293][ T4407] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 414.727841][ T4407] nbd_start_device+0xc4/0x510 [ 414.729050][ T4407] nbd_ioctl+0x228/0x66c [ 414.730134][ T4407] blkdev_ioctl+0x218/0x664 [ 414.731284][ T4407] __arm64_sys_ioctl+0xd0/0x148 [ 414.732521][ T4407] invoke_syscall+0x64/0x178 [ 414.733742][ T4407] el0_svc_common+0xb8/0x174 [ 414.734903][ T4407] do_el0_svc+0x48/0x174 [ 414.735971][ T4407] el0_svc+0x34/0x110 [ 414.736947][ T4407] el0t_64_sync_handler+0x84/0xf0 [ 414.738224][ T4407] el0t_64_sync+0x18c/0x190 [ 414.739418][ T4407] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 414.806829][ T4407] block nbd0: shutting down sockets [ 414.963734][ T4411] block nbd0: Device being setup by another task [ 414.965440][ T4410] FAULT_INJECTION: forcing a failure. [ 414.965440][ T4410] name failslab, interval 1, probability 0, space 0, times 0 [ 414.968688][ T4410] CPU: 0 PID: 4410 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 414.971272][ T4410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 414.973666][ T4410] Call trace: [ 414.974511][ T4410] dump_backtrace+0x1c8/0x1f4 [ 414.975754][ T4410] show_stack+0x2c/0x3c [ 414.976786][ T4410] dump_stack_lvl+0xc0/0x104 [ 414.977984][ T4410] dump_stack+0x1c/0x50 [ 414.979077][ T4410] should_fail_ex+0x1bc/0x1e0 [ 414.980259][ T4410] __should_failslab+0x64/0x78 [ 414.981467][ T4410] should_failslab+0x10/0x28 [ 414.982687][ T4410] slab_pre_alloc_hook+0x54/0x1f4 [ 414.984037][ T4410] kmem_cache_alloc_lru+0x60/0x2ac [ 414.985354][ T4410] alloc_inode+0x7c/0x104 [ 414.986487][ T4410] new_inode+0x2c/0xc0 [ 414.987510][ T4410] debugfs_create_dir+0x98/0x1e0 [ 414.988748][ T4410] nbd_start_device+0x1b4/0x510 [ 414.989947][ T4410] nbd_ioctl+0x228/0x66c [ 414.991094][ T4410] blkdev_ioctl+0x218/0x664 [ 414.992178][ T4410] __arm64_sys_ioctl+0xd0/0x148 [ 414.993420][ T4410] invoke_syscall+0x64/0x178 [ 414.994575][ T4410] el0_svc_common+0xb8/0x174 [ 414.995739][ T4410] do_el0_svc+0x48/0x174 [ 414.996858][ T4410] el0_svc+0x34/0x110 [ 414.997864][ T4410] el0t_64_sync_handler+0x84/0xf0 [ 414.999152][ T4410] el0t_64_sync+0x18c/0x190 [ 415.000340][ T4410] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.002347][ T4410] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.075201][ T4410] block nbd0: shutting down sockets [ 415.215024][ T4413] ------------[ cut here ]------------ [ 415.216560][ T4413] kernfs: can not remove 'nr_tags', no directory [ 415.218216][ T4413] WARNING: CPU: 0 PID: 4413 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.220788][ T4413] Modules linked in: [ 415.221764][ T4413] CPU: 0 PID: 4413 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 415.224295][ T4413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 415.226882][ T4413] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.228918][ T4413] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.230398][ T4413] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.231920][ T4413] sp : ffff80000def3ac0 [ 415.233010][ T4413] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 415.235049][ T4413] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0001ffb6af80 [ 415.237052][ T4413] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 415.239097][ T4413] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.241162][ T4413] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 415.243228][ T4413] x14: 0000000000000000 x13: 205d333134345420 x12: ffff80000d183000 [ 415.245337][ T4413] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 7b1974b29b194b00 [ 415.247384][ T4413] x8 : 7b1974b29b194b00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 415.249486][ T4413] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.251678][ T4413] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.253685][ T4413] Call trace: [ 415.254469][ T4413] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.255873][ T4413] sysfs_remove_group+0x68/0x160 [ 415.257087][ T4413] sysfs_remove_groups+0x3c/0x78 [ 415.258380][ T4413] __kobject_del+0x34/0x134 [ 415.259498][ T4413] kobject_del+0x2c/0x4c [ 415.260586][ T4413] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.262159][ T4413] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.263692][ T4413] nbd_start_device+0xc4/0x510 [ 415.264939][ T4413] nbd_ioctl+0x228/0x66c [ 415.266078][ T4413] blkdev_ioctl+0x218/0x664 [ 415.267349][ T4413] __arm64_sys_ioctl+0xd0/0x148 [ 415.268569][ T4413] invoke_syscall+0x64/0x178 [ 415.269706][ T4413] el0_svc_common+0xb8/0x174 [ 415.270901][ T4413] do_el0_svc+0x48/0x174 [ 415.271981][ T4413] el0_svc+0x34/0x110 [ 415.272990][ T4413] el0t_64_sync_handler+0x84/0xf0 [ 415.274272][ T4413] el0t_64_sync+0x18c/0x190 [ 415.275502][ T4413] ---[ end trace 0000000000000000 ]--- [ 415.277057][ T4413] ------------[ cut here ]------------ [ 415.278412][ T4413] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.280346][ T4413] WARNING: CPU: 0 PID: 4413 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.282910][ T4413] Modules linked in: [ 415.283853][ T4413] CPU: 0 PID: 4413 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 415.286373][ T4413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 415.288974][ T4413] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.291003][ T4413] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.292468][ T4413] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.294004][ T4413] sp : ffff80000def3ac0 [ 415.295058][ T4413] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 415.297052][ T4413] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0001ffb6af80 [ 415.299140][ T4413] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 415.301258][ T4413] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.303304][ T4413] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 415.305279][ T4413] x14: 0000000000000000 x13: 205d333134345420 x12: ffff80000d183000 [ 415.307254][ T4413] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 7b1974b29b194b00 [ 415.309267][ T4413] x8 : 7b1974b29b194b00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 415.311334][ T4413] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.313470][ T4413] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.315591][ T4413] Call trace: [ 415.316416][ T4413] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.317861][ T4413] sysfs_remove_group+0x68/0x160 [ 415.319081][ T4413] sysfs_remove_groups+0x3c/0x78 [ 415.320363][ T4413] __kobject_del+0x34/0x134 [ 415.321519][ T4413] kobject_del+0x2c/0x4c [ 415.322696][ T4413] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.324298][ T4413] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.325806][ T4413] nbd_start_device+0xc4/0x510 [ 415.326992][ T4413] nbd_ioctl+0x228/0x66c [ 415.328087][ T4413] blkdev_ioctl+0x218/0x664 [ 415.329230][ T4413] __arm64_sys_ioctl+0xd0/0x148 [ 415.330504][ T4413] invoke_syscall+0x64/0x178 [ 415.331731][ T4413] el0_svc_common+0xb8/0x174 [ 415.332889][ T4413] do_el0_svc+0x48/0x174 [ 415.334007][ T4413] el0_svc+0x34/0x110 [ 415.335077][ T4413] el0t_64_sync_handler+0x84/0xf0 [ 415.336393][ T4413] el0t_64_sync+0x18c/0x190 [ 415.337574][ T4413] ---[ end trace 0000000000000000 ]--- [ 415.339161][ T4413] ------------[ cut here ]------------ [ 415.340542][ T4413] kernfs: can not remove 'cpu_list', no directory [ 415.342250][ T4413] WARNING: CPU: 0 PID: 4413 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.344779][ T4413] Modules linked in: [ 415.345712][ T4413] CPU: 0 PID: 4413 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 415.348210][ T4413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 415.350782][ T4413] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.352709][ T4413] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.354246][ T4413] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.355769][ T4413] sp : ffff80000def3ac0 [ 415.356812][ T4413] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 415.358935][ T4413] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0001ffb6af80 [ 415.361079][ T4413] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 415.363221][ T4413] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.365290][ T4413] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 415.367383][ T4413] x14: 0000000000000000 x13: 205d333134345420 x12: ffff80000d183000 [ 415.369445][ T4413] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 7b1974b29b194b00 [ 415.371490][ T4413] x8 : 7b1974b29b194b00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 415.373606][ T4413] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.375758][ T4413] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.378240][ T4413] Call trace: [ 415.379238][ T4413] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.380960][ T4413] sysfs_remove_group+0x68/0x160 [ 415.382602][ T4413] sysfs_remove_groups+0x3c/0x78 [ 415.383915][ T4413] __kobject_del+0x34/0x134 [ 415.385090][ T4413] kobject_del+0x2c/0x4c [ 415.386129][ T4413] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.387728][ T4413] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.389203][ T4413] nbd_start_device+0xc4/0x510 [ 415.390418][ T4413] nbd_ioctl+0x228/0x66c [ 415.391468][ T4413] blkdev_ioctl+0x218/0x664 [ 415.392676][ T4413] __arm64_sys_ioctl+0xd0/0x148 [ 415.393949][ T4413] invoke_syscall+0x64/0x178 [ 415.395072][ T4413] el0_svc_common+0xb8/0x174 [ 415.396254][ T4413] do_el0_svc+0x48/0x174 [ 415.397334][ T4413] el0_svc+0x34/0x110 [ 415.398344][ T4413] el0t_64_sync_handler+0x84/0xf0 [ 415.399673][ T4413] el0t_64_sync+0x18c/0x190 [ 415.400788][ T4413] ---[ end trace 0000000000000000 ]--- [ 415.404434][ T4413] block nbd0: shutting down sockets [ 415.483922][ T4415] FAULT_INJECTION: forcing a failure. [ 415.483922][ T4415] name failslab, interval 1, probability 0, space 0, times 0 [ 415.487211][ T4415] CPU: 0 PID: 4415 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 415.489749][ T4415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 415.492362][ T4415] Call trace: [ 415.493188][ T4415] dump_backtrace+0x1c8/0x1f4 [ 415.494352][ T4415] show_stack+0x2c/0x3c [ 415.495494][ T4415] dump_stack_lvl+0xc0/0x104 [ 415.496669][ T4415] dump_stack+0x1c/0x50 [ 415.497726][ T4415] should_fail_ex+0x1bc/0x1e0 [ 415.498917][ T4415] __should_failslab+0x64/0x78 [ 415.500089][ T4415] should_failslab+0x10/0x28 [ 415.501278][ T4415] slab_pre_alloc_hook+0x54/0x1f4 [ 415.502621][ T4415] kmem_cache_alloc_lru+0x60/0x2ac [ 415.503944][ T4415] alloc_inode+0x7c/0x104 [ 415.505005][ T4415] new_inode+0x2c/0xc0 [ 415.506053][ T4415] debugfs_create_dir+0x98/0x1e0 [ 415.507301][ T4415] nbd_start_device+0x1b4/0x510 [ 415.508554][ T4415] nbd_ioctl+0x228/0x66c [ 415.509642][ T4415] blkdev_ioctl+0x218/0x664 [ 415.510798][ T4415] __arm64_sys_ioctl+0xd0/0x148 [ 415.512073][ T4415] invoke_syscall+0x64/0x178 [ 415.513251][ T4415] el0_svc_common+0xb8/0x174 [ 415.514444][ T4415] do_el0_svc+0x48/0x174 [ 415.515537][ T4415] el0_svc+0x34/0x110 [ 415.516574][ T4415] el0t_64_sync_handler+0x84/0xf0 [ 415.517938][ T4415] el0t_64_sync+0x18c/0x190 [ 415.519127][ T4415] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.521086][ T4415] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.641766][ T4415] block nbd0: shutting down sockets [ 415.763808][ T4418] FAULT_INJECTION: forcing a failure. [ 415.763808][ T4418] name failslab, interval 1, probability 0, space 0, times 0 [ 415.767210][ T4418] CPU: 1 PID: 4418 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 415.769733][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 415.772294][ T4418] Call trace: [ 415.773148][ T4418] dump_backtrace+0x1c8/0x1f4 [ 415.774418][ T4418] show_stack+0x2c/0x3c [ 415.775498][ T4418] dump_stack_lvl+0xc0/0x104 [ 415.776688][ T4418] dump_stack+0x1c/0x50 [ 415.777769][ T4418] should_fail_ex+0x1bc/0x1e0 [ 415.779008][ T4418] __should_failslab+0x64/0x78 [ 415.780229][ T4418] should_failslab+0x10/0x28 [ 415.781451][ T4418] slab_pre_alloc_hook+0x54/0x1f4 [ 415.782735][ T4418] kmem_cache_alloc_lru+0x60/0x2ac [ 415.784076][ T4418] alloc_inode+0x7c/0x104 [ 415.785194][ T4418] new_inode+0x2c/0xc0 [ 415.786210][ T4418] debugfs_create_dir+0x98/0x1e0 [ 415.787508][ T4418] nbd_start_device+0x1b4/0x510 [ 415.788853][ T4418] nbd_ioctl+0x228/0x66c [ 415.789919][ T4418] blkdev_ioctl+0x218/0x664 [ 415.791109][ T4418] __arm64_sys_ioctl+0xd0/0x148 [ 415.792394][ T4418] invoke_syscall+0x64/0x178 [ 415.793648][ T4418] el0_svc_common+0xb8/0x174 [ 415.794802][ T4418] do_el0_svc+0x48/0x174 [ 415.795855][ T4418] el0_svc+0x34/0x110 [ 415.796884][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 415.798160][ T4418] el0t_64_sync+0x18c/0x190 [ 415.799422][ T4418] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.801360][ T4418] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.903167][ T4418] block nbd0: shutting down sockets [ 416.013743][ T4421] block nbd0: Device being setup by another task [ 416.075261][ T4420] FAULT_INJECTION: forcing a failure. [ 416.075261][ T4420] name failslab, interval 1, probability 0, space 0, times 0 [ 416.078578][ T4420] CPU: 1 PID: 4420 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 416.080995][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 416.083619][ T4420] Call trace: [ 416.084406][ T4420] dump_backtrace+0x1c8/0x1f4 [ 416.085583][ T4420] show_stack+0x2c/0x3c [ 416.086632][ T4420] dump_stack_lvl+0xc0/0x104 [ 416.087815][ T4420] dump_stack+0x1c/0x50 [ 416.088888][ T4420] should_fail_ex+0x1bc/0x1e0 [ 416.090133][ T4420] __should_failslab+0x64/0x78 [ 416.091346][ T4420] should_failslab+0x10/0x28 [ 416.092532][ T4420] __kmem_cache_alloc_node+0x6c/0x348 [ 416.093906][ T4420] __kmalloc_node_track_caller+0x84/0xc0 [ 416.095345][ T4420] kstrdup_const+0x90/0xdc [ 416.096477][ T4420] __kernfs_new_node+0x5c/0x2e8 [ 416.097711][ T4420] kernfs_create_dir_ns+0xac/0x188 [ 416.098992][ T4420] sysfs_create_dir_ns+0x8c/0x168 [ 416.100166][ T4420] kobject_add_internal+0x314/0x64c [ 416.101466][ T4420] kobject_add+0xb8/0x130 [ 416.102530][ T4420] blk_mq_register_hctx+0x54/0x184 [ 416.103871][ T4420] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 416.105311][ T4420] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 416.106782][ T4420] nbd_start_device+0xc4/0x510 [ 416.107919][ T4420] nbd_ioctl+0x228/0x66c [ 416.108969][ T4420] blkdev_ioctl+0x218/0x664 [ 416.110103][ T4420] __arm64_sys_ioctl+0xd0/0x148 [ 416.111362][ T4420] invoke_syscall+0x64/0x178 [ 416.112512][ T4420] el0_svc_common+0xb8/0x174 [ 416.113638][ T4420] do_el0_svc+0x48/0x174 [ 416.114677][ T4420] el0_svc+0x34/0x110 [ 416.115690][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 416.116927][ T4420] el0t_64_sync+0x18c/0x190 [ 416.118184][ T4420] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 416.171839][ T4420] block nbd0: shutting down sockets [ 416.323733][ T4424] block nbd0: Device being setup by another task [ 416.325399][ T4423] FAULT_INJECTION: forcing a failure. [ 416.325399][ T4423] name failslab, interval 1, probability 0, space 0, times 0 [ 416.328762][ T4423] CPU: 0 PID: 4423 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 416.331258][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 416.333904][ T4423] Call trace: [ 416.334707][ T4423] dump_backtrace+0x1c8/0x1f4 [ 416.335873][ T4423] show_stack+0x2c/0x3c [ 416.336892][ T4423] dump_stack_lvl+0xc0/0x104 [ 416.338070][ T4423] dump_stack+0x1c/0x50 [ 416.339117][ T4423] should_fail_ex+0x1bc/0x1e0 [ 416.340303][ T4423] __should_failslab+0x64/0x78 [ 416.341513][ T4423] should_failslab+0x10/0x28 [ 416.342711][ T4423] slab_pre_alloc_hook+0x54/0x1f4 [ 416.344027][ T4423] kmem_cache_alloc_lru+0x60/0x2ac [ 416.345390][ T4423] alloc_inode+0x7c/0x104 [ 416.346471][ T4423] new_inode+0x2c/0xc0 [ 416.347463][ T4423] debugfs_create_dir+0x98/0x1e0 [ 416.348802][ T4423] nbd_start_device+0x1b4/0x510 [ 416.350080][ T4423] nbd_ioctl+0x228/0x66c [ 416.351116][ T4423] blkdev_ioctl+0x218/0x664 [ 416.352257][ T4423] __arm64_sys_ioctl+0xd0/0x148 [ 416.353484][ T4423] invoke_syscall+0x64/0x178 [ 416.354582][ T4423] el0_svc_common+0xb8/0x174 [ 416.355793][ T4423] do_el0_svc+0x48/0x174 [ 416.356869][ T4423] el0_svc+0x34/0x110 [ 416.357899][ T4423] el0t_64_sync_handler+0x84/0xf0 [ 416.359218][ T4423] el0t_64_sync+0x18c/0x190 [ 416.360366][ T4423] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.362365][ T4423] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.439306][ T4423] block nbd0: shutting down sockets [ 416.593749][ T4427] block nbd0: Device being setup by another task [ 416.595492][ T4426] FAULT_INJECTION: forcing a failure. [ 416.595492][ T4426] name failslab, interval 1, probability 0, space 0, times 0 [ 416.598786][ T4426] CPU: 0 PID: 4426 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 416.601263][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 416.603912][ T4426] Call trace: [ 416.604771][ T4426] dump_backtrace+0x1c8/0x1f4 [ 416.605942][ T4426] show_stack+0x2c/0x3c [ 416.606995][ T4426] dump_stack_lvl+0xc0/0x104 [ 416.608204][ T4426] dump_stack+0x1c/0x50 [ 416.609295][ T4426] should_fail_ex+0x1bc/0x1e0 [ 416.610540][ T4426] __should_failslab+0x64/0x78 [ 416.611948][ T4426] should_failslab+0x10/0x28 [ 416.613192][ T4426] slab_pre_alloc_hook+0x54/0x1f4 [ 416.614527][ T4426] kmem_cache_alloc_lru+0x60/0x2ac [ 416.615911][ T4426] alloc_inode+0x7c/0x104 [ 416.617043][ T4426] new_inode+0x2c/0xc0 [ 416.618126][ T4426] debugfs_create_dir+0x98/0x1e0 [ 416.619378][ T4426] nbd_start_device+0x1b4/0x510 [ 416.620631][ T4426] nbd_ioctl+0x228/0x66c [ 416.621694][ T4426] blkdev_ioctl+0x218/0x664 [ 416.622881][ T4426] __arm64_sys_ioctl+0xd0/0x148 [ 416.624130][ T4426] invoke_syscall+0x64/0x178 [ 416.625325][ T4426] el0_svc_common+0xb8/0x174 [ 416.626572][ T4426] do_el0_svc+0x48/0x174 [ 416.627657][ T4426] el0_svc+0x34/0x110 [ 416.628672][ T4426] el0t_64_sync_handler+0x84/0xf0 [ 416.629982][ T4426] el0t_64_sync+0x18c/0x190 [ 416.631224][ T4426] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.633244][ T4426] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.707969][ T4426] block nbd0: shutting down sockets [ 416.853732][ T4430] block nbd0: Device being setup by another task [ 416.855525][ T4429] FAULT_INJECTION: forcing a failure. [ 416.855525][ T4429] name failslab, interval 1, probability 0, space 0, times 0 [ 416.858655][ T4429] CPU: 0 PID: 4429 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 416.861055][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 416.863605][ T4429] Call trace: [ 416.864373][ T4429] dump_backtrace+0x1c8/0x1f4 [ 416.865605][ T4429] show_stack+0x2c/0x3c [ 416.866693][ T4429] dump_stack_lvl+0xc0/0x104 [ 416.867922][ T4429] dump_stack+0x1c/0x50 [ 416.868974][ T4429] should_fail_ex+0x1bc/0x1e0 [ 416.870192][ T4429] __should_failslab+0x64/0x78 [ 416.871377][ T4429] should_failslab+0x10/0x28 [ 416.872526][ T4429] slab_pre_alloc_hook+0x54/0x1f4 [ 416.873805][ T4429] kmem_cache_alloc_lru+0x60/0x2ac [ 416.875112][ T4429] alloc_inode+0x7c/0x104 [ 416.876213][ T4429] new_inode+0x2c/0xc0 [ 416.877208][ T4429] debugfs_create_dir+0x98/0x1e0 [ 416.878479][ T4429] nbd_start_device+0x1b4/0x510 [ 416.879754][ T4429] nbd_ioctl+0x228/0x66c [ 416.880849][ T4429] blkdev_ioctl+0x218/0x664 [ 416.881937][ T4429] __arm64_sys_ioctl+0xd0/0x148 [ 416.883103][ T4429] invoke_syscall+0x64/0x178 [ 416.884301][ T4429] el0_svc_common+0xb8/0x174 [ 416.885402][ T4429] do_el0_svc+0x48/0x174 [ 416.886527][ T4429] el0_svc+0x34/0x110 [ 416.887563][ T4429] el0t_64_sync_handler+0x84/0xf0 [ 416.888854][ T4429] el0t_64_sync+0x18c/0x190 [ 416.890061][ T4429] debugfs: out of free dentries, can not create directory 'nbd0' [ 416.892134][ T4429] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.998327][ T4429] block nbd0: shutting down sockets [ 417.113754][ T4433] block nbd0: Device being setup by another task [ 417.115513][ T4432] FAULT_INJECTION: forcing a failure. [ 417.115513][ T4432] name failslab, interval 1, probability 0, space 0, times 0 [ 417.118909][ T4432] CPU: 1 PID: 4432 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 417.121336][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 417.123837][ T4432] Call trace: [ 417.124676][ T4432] dump_backtrace+0x1c8/0x1f4 [ 417.125863][ T4432] show_stack+0x2c/0x3c [ 417.126913][ T4432] dump_stack_lvl+0xc0/0x104 [ 417.128124][ T4432] dump_stack+0x1c/0x50 [ 417.129212][ T4432] should_fail_ex+0x1bc/0x1e0 [ 417.130348][ T4432] __should_failslab+0x64/0x78 [ 417.131566][ T4432] should_failslab+0x10/0x28 [ 417.132796][ T4432] slab_pre_alloc_hook+0x54/0x1f4 [ 417.134133][ T4432] kmem_cache_alloc_lru+0x60/0x2ac [ 417.135512][ T4432] alloc_inode+0x7c/0x104 [ 417.136658][ T4432] new_inode+0x2c/0xc0 [ 417.137723][ T4432] debugfs_create_dir+0x98/0x1e0 [ 417.139000][ T4432] nbd_start_device+0x1b4/0x510 [ 417.140235][ T4432] nbd_ioctl+0x228/0x66c [ 417.141294][ T4432] blkdev_ioctl+0x218/0x664 [ 417.142443][ T4432] __arm64_sys_ioctl+0xd0/0x148 [ 417.143680][ T4432] invoke_syscall+0x64/0x178 [ 417.144878][ T4432] el0_svc_common+0xb8/0x174 [ 417.146035][ T4432] do_el0_svc+0x48/0x174 [ 417.147154][ T4432] el0_svc+0x34/0x110 [ 417.148147][ T4432] el0t_64_sync_handler+0x84/0xf0 [ 417.149395][ T4432] el0t_64_sync+0x18c/0x190 [ 417.150594][ T4432] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.152486][ T4432] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.266726][ T4432] block nbd0: shutting down sockets [ 417.393752][ T4436] block nbd0: Device being setup by another task [ 417.395583][ T4435] FAULT_INJECTION: forcing a failure. [ 417.395583][ T4435] name failslab, interval 1, probability 0, space 0, times 0 [ 417.398802][ T4435] CPU: 0 PID: 4435 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 417.401307][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 417.403880][ T4435] Call trace: [ 417.404765][ T4435] dump_backtrace+0x1c8/0x1f4 [ 417.405933][ T4435] show_stack+0x2c/0x3c [ 417.407040][ T4435] dump_stack_lvl+0xc0/0x104 [ 417.408211][ T4435] dump_stack+0x1c/0x50 [ 417.409296][ T4435] should_fail_ex+0x1bc/0x1e0 [ 417.410472][ T4435] __should_failslab+0x64/0x78 [ 417.411707][ T4435] should_failslab+0x10/0x28 [ 417.412954][ T4435] slab_pre_alloc_hook+0x54/0x1f4 [ 417.414240][ T4435] kmem_cache_alloc_lru+0x60/0x2ac [ 417.415521][ T4435] alloc_inode+0x7c/0x104 [ 417.416607][ T4435] new_inode+0x2c/0xc0 [ 417.417627][ T4435] debugfs_create_dir+0x98/0x1e0 [ 417.418895][ T4435] nbd_start_device+0x1b4/0x510 [ 417.420192][ T4435] nbd_ioctl+0x228/0x66c [ 417.421302][ T4435] blkdev_ioctl+0x218/0x664 [ 417.422445][ T4435] __arm64_sys_ioctl+0xd0/0x148 [ 417.423687][ T4435] invoke_syscall+0x64/0x178 [ 417.424873][ T4435] el0_svc_common+0xb8/0x174 [ 417.426051][ T4435] do_el0_svc+0x48/0x174 [ 417.427123][ T4435] el0_svc+0x34/0x110 [ 417.428178][ T4435] el0t_64_sync_handler+0x84/0xf0 [ 417.429481][ T4435] el0t_64_sync+0x18c/0x190 [ 417.430632][ T4435] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.432535][ T4435] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.535138][ T4435] block nbd0: shutting down sockets [ 417.673754][ T4439] block nbd0: Device being setup by another task [ 417.675348][ T4438] FAULT_INJECTION: forcing a failure. [ 417.675348][ T4438] name failslab, interval 1, probability 0, space 0, times 0 [ 417.678697][ T4438] CPU: 1 PID: 4438 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 417.681220][ T4438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 417.683833][ T4438] Call trace: [ 417.684648][ T4438] dump_backtrace+0x1c8/0x1f4 [ 417.685854][ T4438] show_stack+0x2c/0x3c [ 417.686884][ T4438] dump_stack_lvl+0xc0/0x104 [ 417.688028][ T4438] dump_stack+0x1c/0x50 [ 417.689069][ T4438] should_fail_ex+0x1bc/0x1e0 [ 417.690228][ T4438] __should_failslab+0x64/0x78 [ 417.691422][ T4438] should_failslab+0x10/0x28 [ 417.692599][ T4438] slab_pre_alloc_hook+0x54/0x1f4 [ 417.693884][ T4438] kmem_cache_alloc_lru+0x60/0x2ac [ 417.695204][ T4438] alloc_inode+0x7c/0x104 [ 417.696344][ T4438] new_inode+0x2c/0xc0 [ 417.697340][ T4438] debugfs_create_dir+0x98/0x1e0 [ 417.698664][ T4438] nbd_start_device+0x1b4/0x510 [ 417.699914][ T4438] nbd_ioctl+0x228/0x66c [ 417.701021][ T4438] blkdev_ioctl+0x218/0x664 [ 417.702191][ T4438] __arm64_sys_ioctl+0xd0/0x148 [ 417.703378][ T4438] invoke_syscall+0x64/0x178 [ 417.704489][ T4438] el0_svc_common+0xb8/0x174 [ 417.705674][ T4438] do_el0_svc+0x48/0x174 [ 417.706746][ T4438] el0_svc+0x34/0x110 [ 417.707732][ T4438] el0t_64_sync_handler+0x84/0xf0 [ 417.709026][ T4438] el0t_64_sync+0x18c/0x190 [ 417.710166][ T4438] debugfs: out of free dentries, can not create directory 'nbd0' [ 417.712064][ T4438] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.803999][ T4438] block nbd0: shutting down sockets [ 417.935830][ T4441] ------------[ cut here ]------------ [ 417.937298][ T4441] kernfs: can not remove 'nr_tags', no directory [ 417.939054][ T4441] WARNING: CPU: 1 PID: 4441 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 417.941508][ T4441] Modules linked in: [ 417.942531][ T4441] CPU: 1 PID: 4441 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 417.945086][ T4441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 417.947662][ T4441] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 417.949751][ T4441] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 417.951295][ T4441] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 417.952762][ T4441] sp : ffff80000df1bac0 [ 417.953882][ T4441] x29: ffff80000df1bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 417.956025][ T4441] x26: ffff0000c4e06d08 x25: ffff80000df1bbe8 x24: ffff0001ffb92f80 [ 417.958119][ T4441] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 417.960183][ T4441] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 417.962198][ T4441] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 417.964247][ T4441] x14: 0000000000000000 x13: 205d313434345420 x12: ffff80000d183000 [ 417.966235][ T4441] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 4e058a8284e2dd00 [ 417.968243][ T4441] x8 : 4e058a8284e2dd00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 417.970334][ T4441] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 417.972358][ T4441] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 417.974408][ T4441] Call trace: [ 417.975254][ T4441] kernfs_remove_by_name_ns+0xb4/0x110 [ 417.976542][ T4441] sysfs_remove_group+0x68/0x160 [ 417.977805][ T4441] sysfs_remove_groups+0x3c/0x78 [ 417.979079][ T4441] __kobject_del+0x34/0x134 [ 417.980210][ T4441] kobject_del+0x2c/0x4c [ 417.981267][ T4441] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 417.982772][ T4441] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 417.984187][ T4441] nbd_start_device+0xc4/0x510 [ 417.985374][ T4441] nbd_ioctl+0x228/0x66c [ 417.986472][ T4441] blkdev_ioctl+0x218/0x664 [ 417.987628][ T4441] __arm64_sys_ioctl+0xd0/0x148 [ 417.988872][ T4441] invoke_syscall+0x64/0x178 [ 417.990031][ T4441] el0_svc_common+0xb8/0x174 [ 417.991241][ T4441] do_el0_svc+0x48/0x174 [ 417.992353][ T4441] el0_svc+0x34/0x110 [ 417.993375][ T4441] el0t_64_sync_handler+0x84/0xf0 [ 417.994736][ T4441] el0t_64_sync+0x18c/0x190 [ 417.995900][ T4441] ---[ end trace 0000000000000000 ]--- [ 417.997325][ T4441] ------------[ cut here ]------------ [ 417.998726][ T4441] kernfs: can not remove 'nr_reserved_tags', no directory [ 418.000567][ T4441] WARNING: CPU: 1 PID: 4441 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.002976][ T4441] Modules linked in: [ 418.003965][ T4441] CPU: 1 PID: 4441 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 418.006499][ T4441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 418.009121][ T4441] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.011016][ T4441] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.012490][ T4441] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.014036][ T4441] sp : ffff80000df1bac0 [ 418.015108][ T4441] x29: ffff80000df1bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 418.017173][ T4441] x26: ffff0000c4e06d08 x25: ffff80000df1bbe8 x24: ffff0001ffb92f80 [ 418.019150][ T4441] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 418.021203][ T4441] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.023207][ T4441] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 418.025276][ T4441] x14: 0000000000000000 x13: 205d313434345420 x12: ffff80000d183000 [ 418.027352][ T4441] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 4e058a8284e2dd00 [ 418.029432][ T4441] x8 : 4e058a8284e2dd00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 418.031436][ T4441] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.033588][ T4441] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.035652][ T4441] Call trace: [ 418.036451][ T4441] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.037926][ T4441] sysfs_remove_group+0x68/0x160 [ 418.039210][ T4441] sysfs_remove_groups+0x3c/0x78 [ 418.040509][ T4441] __kobject_del+0x34/0x134 [ 418.041672][ T4441] kobject_del+0x2c/0x4c [ 418.042754][ T4441] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.044282][ T4441] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.045697][ T4441] nbd_start_device+0xc4/0x510 [ 418.046945][ T4441] nbd_ioctl+0x228/0x66c [ 418.048085][ T4441] blkdev_ioctl+0x218/0x664 [ 418.049202][ T4441] __arm64_sys_ioctl+0xd0/0x148 [ 418.050466][ T4441] invoke_syscall+0x64/0x178 [ 418.051615][ T4441] el0_svc_common+0xb8/0x174 [ 418.052870][ T4441] do_el0_svc+0x48/0x174 [ 418.053980][ T4441] el0_svc+0x34/0x110 [ 418.055081][ T4441] el0t_64_sync_handler+0x84/0xf0 [ 418.056342][ T4441] el0t_64_sync+0x18c/0x190 [ 418.057537][ T4441] ---[ end trace 0000000000000000 ]--- [ 418.059037][ T4441] ------------[ cut here ]------------ [ 418.060416][ T4441] kernfs: can not remove 'cpu_list', no directory [ 418.062134][ T4441] WARNING: CPU: 1 PID: 4441 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.064650][ T4441] Modules linked in: [ 418.065628][ T4441] CPU: 1 PID: 4441 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 418.068140][ T4441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 418.070841][ T4441] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.072838][ T4441] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.074307][ T4441] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.075858][ T4441] sp : ffff80000df1bac0 [ 418.076906][ T4441] x29: ffff80000df1bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 418.079013][ T4441] x26: ffff0000c4e06d08 x25: ffff80000df1bbe8 x24: ffff0001ffb92f80 [ 418.081037][ T4441] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 418.083199][ T4441] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.085343][ T4441] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 418.087376][ T4441] x14: 0000000000000000 x13: 205d313434345420 x12: ffff80000d183000 [ 418.089419][ T4441] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 4e058a8284e2dd00 [ 418.091471][ T4441] x8 : 4e058a8284e2dd00 x7 : 0000000000000000 x6 : ffff80000ae0b6c0 [ 418.093562][ T4441] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f4ea8 [ 418.095657][ T4441] x2 : ffff0001fe9f4ea8 x1 : ffff80000b9a3c29 x0 : 0000000000000001 [ 418.097779][ T4441] Call trace: [ 418.098595][ T4441] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.099997][ T4441] sysfs_remove_group+0x68/0x160 [ 418.101321][ T4441] sysfs_remove_groups+0x3c/0x78 [ 418.102639][ T4441] __kobject_del+0x34/0x134 [ 418.103806][ T4441] kobject_del+0x2c/0x4c [ 418.104830][ T4441] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.106437][ T4441] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.107926][ T4441] nbd_start_device+0xc4/0x510 [ 418.109156][ T4441] nbd_ioctl+0x228/0x66c [ 418.110307][ T4441] blkdev_ioctl+0x218/0x664 [ 418.111508][ T4441] __arm64_sys_ioctl+0xd0/0x148 [ 418.112794][ T4441] invoke_syscall+0x64/0x178 [ 418.114041][ T4441] el0_svc_common+0xb8/0x174 [ 418.115221][ T4441] do_el0_svc+0x48/0x174 [ 418.116333][ T4441] el0_svc+0x34/0x110 [ 418.117352][ T4441] el0t_64_sync_handler+0x84/0xf0 [ 418.118697][ T4441] el0t_64_sync+0x18c/0x190 [ 418.119843][ T4441] ---[ end trace 0000000000000000 ]--- [ 418.123418][ T4441] block nbd0: shutting down sockets [ 418.243794][ T4444] FAULT_INJECTION: forcing a failure. [ 418.243794][ T4444] name failslab, interval 1, probability 0, space 0, times 0 [ 418.247067][ T4444] CPU: 1 PID: 4444 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 418.249568][ T4444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 418.251989][ T4444] Call trace: [ 418.252806][ T4444] dump_backtrace+0x1c8/0x1f4 [ 418.254007][ T4444] show_stack+0x2c/0x3c [ 418.255068][ T4444] dump_stack_lvl+0xc0/0x104 [ 418.256269][ T4444] dump_stack+0x1c/0x50 [ 418.257339][ T4444] should_fail_ex+0x1bc/0x1e0 [ 418.258517][ T4444] __should_failslab+0x64/0x78 [ 418.259723][ T4444] should_failslab+0x10/0x28 [ 418.260801][ T4444] slab_pre_alloc_hook+0x54/0x1f4 [ 418.262138][ T4444] kmem_cache_alloc_lru+0x60/0x2ac [ 418.263465][ T4444] alloc_inode+0x7c/0x104 [ 418.264678][ T4444] new_inode+0x2c/0xc0 [ 418.265678][ T4444] debugfs_create_dir+0x98/0x1e0 [ 418.266940][ T4444] nbd_start_device+0x1b4/0x510 [ 418.268153][ T4444] nbd_ioctl+0x228/0x66c [ 418.269297][ T4444] blkdev_ioctl+0x218/0x664 [ 418.270432][ T4444] __arm64_sys_ioctl+0xd0/0x148 [ 418.271680][ T4444] invoke_syscall+0x64/0x178 [ 418.272894][ T4444] el0_svc_common+0xb8/0x174 [ 418.274082][ T4444] do_el0_svc+0x48/0x174 [ 418.275188][ T4444] el0_svc+0x34/0x110 [ 418.276237][ T4444] el0t_64_sync_handler+0x84/0xf0 [ 418.277577][ T4444] el0t_64_sync+0x18c/0x190 [ 418.278820][ T4444] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.280874][ T4444] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.387116][ T4444] block nbd0: shutting down sockets [ 418.523753][ T4447] block nbd0: Device being setup by another task [ 418.565657][ T4446] FAULT_INJECTION: forcing a failure. [ 418.565657][ T4446] name failslab, interval 1, probability 0, space 0, times 0 [ 418.569024][ T4446] CPU: 0 PID: 4446 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 418.571467][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 418.573970][ T4446] Call trace: [ 418.574789][ T4446] dump_backtrace+0x1c8/0x1f4 [ 418.575997][ T4446] show_stack+0x2c/0x3c [ 418.576995][ T4446] dump_stack_lvl+0xc0/0x104 [ 418.578158][ T4446] dump_stack+0x1c/0x50 [ 418.579226][ T4446] should_fail_ex+0x1bc/0x1e0 [ 418.580377][ T4446] __should_failslab+0x64/0x78 [ 418.581570][ T4446] should_failslab+0x10/0x28 [ 418.582749][ T4446] __kmem_cache_alloc_node+0x6c/0x348 [ 418.584112][ T4446] __kmalloc_node_track_caller+0x84/0xc0 [ 418.585541][ T4446] kstrdup_const+0x90/0xdc [ 418.586670][ T4446] __kernfs_new_node+0x5c/0x2e8 [ 418.587893][ T4446] kernfs_create_dir_ns+0xac/0x188 [ 418.589158][ T4446] sysfs_create_dir_ns+0x8c/0x168 [ 418.590443][ T4446] kobject_add_internal+0x314/0x64c [ 418.591779][ T4446] kobject_add+0xb8/0x130 [ 418.592884][ T4446] blk_mq_register_hctx+0x54/0x184 [ 418.594180][ T4446] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 418.595614][ T4446] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 418.597041][ T4446] nbd_start_device+0xc4/0x510 [ 418.598247][ T4446] nbd_ioctl+0x228/0x66c [ 418.599339][ T4446] blkdev_ioctl+0x218/0x664 [ 418.600484][ T4446] __arm64_sys_ioctl+0xd0/0x148 [ 418.601782][ T4446] invoke_syscall+0x64/0x178 [ 418.602960][ T4446] el0_svc_common+0xb8/0x174 [ 418.604236][ T4446] do_el0_svc+0x48/0x174 [ 418.605315][ T4446] el0_svc+0x34/0x110 [ 418.606365][ T4446] el0t_64_sync_handler+0x84/0xf0 [ 418.607694][ T4446] el0t_64_sync+0x18c/0x190 [ 418.608871][ T4446] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 418.654987][ T4446] block nbd0: shutting down sockets [ 418.793735][ T4450] block nbd0: Device being setup by another task [ 418.795506][ T4449] FAULT_INJECTION: forcing a failure. [ 418.795506][ T4449] name failslab, interval 1, probability 0, space 0, times 0 [ 418.798710][ T4449] CPU: 1 PID: 4449 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 418.801137][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 418.803649][ T4449] Call trace: [ 418.804486][ T4449] dump_backtrace+0x1c8/0x1f4 [ 418.805701][ T4449] show_stack+0x2c/0x3c [ 418.806784][ T4449] dump_stack_lvl+0xc0/0x104 [ 418.807974][ T4449] dump_stack+0x1c/0x50 [ 418.808987][ T4449] should_fail_ex+0x1bc/0x1e0 [ 418.810176][ T4449] __should_failslab+0x64/0x78 [ 418.811502][ T4449] should_failslab+0x10/0x28 [ 418.812711][ T4449] slab_pre_alloc_hook+0x54/0x1f4 [ 418.814038][ T4449] kmem_cache_alloc_lru+0x60/0x2ac [ 418.815323][ T4449] alloc_inode+0x7c/0x104 [ 418.816482][ T4449] new_inode+0x2c/0xc0 [ 418.817494][ T4449] debugfs_create_dir+0x98/0x1e0 [ 418.818793][ T4449] nbd_start_device+0x1b4/0x510 [ 418.820033][ T4449] nbd_ioctl+0x228/0x66c [ 418.821195][ T4449] blkdev_ioctl+0x218/0x664 [ 418.822348][ T4449] __arm64_sys_ioctl+0xd0/0x148 [ 418.823594][ T4449] invoke_syscall+0x64/0x178 [ 418.824809][ T4449] el0_svc_common+0xb8/0x174 [ 418.825974][ T4449] do_el0_svc+0x48/0x174 [ 418.827084][ T4449] el0_svc+0x34/0x110 [ 418.828082][ T4449] el0t_64_sync_handler+0x84/0xf0 [ 418.829341][ T4449] el0t_64_sync+0x18c/0x190 [ 418.830573][ T4449] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.832584][ T4449] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.923480][ T4449] block nbd0: shutting down sockets [ 419.074931][ T4453] ------------[ cut here ]------------ [ 419.076445][ T4453] kernfs: can not remove 'nr_tags', no directory [ 419.078238][ T4453] WARNING: CPU: 1 PID: 4453 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.080734][ T4453] Modules linked in: [ 419.081788][ T4453] CPU: 1 PID: 4453 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 419.084372][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 419.087007][ T4453] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.089105][ T4453] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.090661][ T4453] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.092228][ T4453] sp : ffff80000def3ac0 [ 419.093293][ T4453] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 419.095479][ T4453] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0000c00b0a00 [ 419.097656][ T4453] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.099680][ T4453] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.101701][ T4453] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 419.103763][ T4453] x14: 0000000000000000 x13: 205d333534345420 x12: ffff80000d183000 [ 419.105829][ T4453] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a43994441609f200 [ 419.107842][ T4453] x8 : a43994441609f200 x7 : 0000000000000000 x6 : ffff80000ae0b6c0 [ 419.109939][ T4453] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f4ea8 [ 419.112071][ T4453] x2 : ffff0001fe9f4ea8 x1 : ffff80000b9a3c29 x0 : 0000000000000001 [ 419.114142][ T4453] Call trace: [ 419.115017][ T4453] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.116466][ T4453] sysfs_remove_group+0x68/0x160 [ 419.117811][ T4453] sysfs_remove_groups+0x3c/0x78 [ 419.119077][ T4453] __kobject_del+0x34/0x134 [ 419.120266][ T4453] kobject_del+0x2c/0x4c [ 419.121352][ T4453] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.122908][ T4453] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.124366][ T4453] nbd_start_device+0xc4/0x510 [ 419.125565][ T4453] nbd_ioctl+0x228/0x66c [ 419.126695][ T4453] blkdev_ioctl+0x218/0x664 [ 419.127886][ T4453] __arm64_sys_ioctl+0xd0/0x148 [ 419.129169][ T4453] invoke_syscall+0x64/0x178 [ 419.130360][ T4453] el0_svc_common+0xb8/0x174 [ 419.131496][ T4453] do_el0_svc+0x48/0x174 [ 419.132598][ T4453] el0_svc+0x34/0x110 [ 419.133612][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 419.134942][ T4453] el0t_64_sync+0x18c/0x190 [ 419.136140][ T4453] ---[ end trace 0000000000000000 ]--- [ 419.137638][ T4453] ------------[ cut here ]------------ [ 419.138995][ T4453] kernfs: can not remove 'nr_reserved_tags', no directory [ 419.140894][ T4453] WARNING: CPU: 1 PID: 4453 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.143337][ T4453] Modules linked in: [ 419.144286][ T4453] CPU: 1 PID: 4453 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 419.146999][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 419.149691][ T4453] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.151797][ T4453] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.153285][ T4453] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.154802][ T4453] sp : ffff80000def3ac0 [ 419.155861][ T4453] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 419.157894][ T4453] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0000c00b0a00 [ 419.159966][ T4453] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.162119][ T4453] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.164317][ T4453] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 419.166444][ T4453] x14: 0000000000000000 x13: 205d333534345420 x12: ffff80000d183000 [ 419.168572][ T4453] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a43994441609f200 [ 419.170667][ T4453] x8 : a43994441609f200 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 419.172798][ T4453] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.174903][ T4453] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.177008][ T4453] Call trace: [ 419.177919][ T4453] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.179363][ T4453] sysfs_remove_group+0x68/0x160 [ 419.180630][ T4453] sysfs_remove_groups+0x3c/0x78 [ 419.181910][ T4453] __kobject_del+0x34/0x134 [ 419.183087][ T4453] kobject_del+0x2c/0x4c [ 419.184133][ T4453] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.185716][ T4453] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.187252][ T4453] nbd_start_device+0xc4/0x510 [ 419.188479][ T4453] nbd_ioctl+0x228/0x66c [ 419.189531][ T4453] blkdev_ioctl+0x218/0x664 [ 419.190731][ T4453] __arm64_sys_ioctl+0xd0/0x148 [ 419.191994][ T4453] invoke_syscall+0x64/0x178 [ 419.193170][ T4453] el0_svc_common+0xb8/0x174 [ 419.194419][ T4453] do_el0_svc+0x48/0x174 [ 419.195540][ T4453] el0_svc+0x34/0x110 [ 419.196592][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 419.197834][ T4453] el0t_64_sync+0x18c/0x190 [ 419.199020][ T4453] ---[ end trace 0000000000000000 ]--- [ 419.200570][ T4453] ------------[ cut here ]------------ [ 419.201966][ T4453] kernfs: can not remove 'cpu_list', no directory [ 419.203640][ T4453] WARNING: CPU: 1 PID: 4453 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.206104][ T4453] Modules linked in: [ 419.207109][ T4453] CPU: 1 PID: 4453 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 419.209717][ T4453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 419.212361][ T4453] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.214385][ T4453] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.215867][ T4453] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.217382][ T4453] sp : ffff80000def3ac0 [ 419.218465][ T4453] x29: ffff80000def3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 419.220642][ T4453] x26: ffff0000c4e06d08 x25: ffff80000def3be8 x24: ffff0000c00b0a00 [ 419.222648][ T4453] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.224795][ T4453] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.227062][ T4453] x17: ffff80000d3bf688 x16: 0000000000001178 x15: 0000000000000000 [ 419.229146][ T4453] x14: 0000000000000000 x13: 205d333534345420 x12: ffff80000d183000 [ 419.231280][ T4453] x11: 0000000000ff0100 x10: 0000000000000000 x9 : a43994441609f200 [ 419.233491][ T4453] x8 : a43994441609f200 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 419.235632][ T4453] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.237737][ T4453] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.239768][ T4453] Call trace: [ 419.240630][ T4453] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.242017][ T4453] sysfs_remove_group+0x68/0x160 [ 419.243320][ T4453] sysfs_remove_groups+0x3c/0x78 [ 419.244637][ T4453] __kobject_del+0x34/0x134 [ 419.245784][ T4453] kobject_del+0x2c/0x4c [ 419.246883][ T4453] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.248441][ T4453] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.249962][ T4453] nbd_start_device+0xc4/0x510 [ 419.251150][ T4453] nbd_ioctl+0x228/0x66c [ 419.252281][ T4453] blkdev_ioctl+0x218/0x664 [ 419.253418][ T4453] __arm64_sys_ioctl+0xd0/0x148 [ 419.254730][ T4453] invoke_syscall+0x64/0x178 [ 419.255917][ T4453] el0_svc_common+0xb8/0x174 [ 419.257134][ T4453] do_el0_svc+0x48/0x174 [ 419.258254][ T4453] el0_svc+0x34/0x110 [ 419.259255][ T4453] el0t_64_sync_handler+0x84/0xf0 [ 419.260544][ T4453] el0t_64_sync+0x18c/0x190 [ 419.261834][ T4453] ---[ end trace 0000000000000000 ]--- [ 419.265767][ T4453] block nbd0: shutting down sockets [ 419.383735][ T4456] block nbd0: Device being setup by another task [ 419.425639][ T4455] FAULT_INJECTION: forcing a failure. [ 419.425639][ T4455] name failslab, interval 1, probability 0, space 0, times 0 [ 419.429070][ T4455] CPU: 1 PID: 4455 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 419.431642][ T4455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 419.434131][ T4455] Call trace: [ 419.434953][ T4455] dump_backtrace+0x1c8/0x1f4 [ 419.436124][ T4455] show_stack+0x2c/0x3c [ 419.437212][ T4455] dump_stack_lvl+0xc0/0x104 [ 419.438359][ T4455] dump_stack+0x1c/0x50 [ 419.439411][ T4455] should_fail_ex+0x1bc/0x1e0 [ 419.440636][ T4455] __should_failslab+0x64/0x78 [ 419.441943][ T4455] should_failslab+0x10/0x28 [ 419.443231][ T4455] __kmem_cache_alloc_node+0x6c/0x348 [ 419.444695][ T4455] __kmalloc_node_track_caller+0x84/0xc0 [ 419.446120][ T4455] kstrdup_const+0x90/0xdc [ 419.447316][ T4455] __kernfs_new_node+0x5c/0x2e8 [ 419.448616][ T4455] kernfs_create_dir_ns+0xac/0x188 [ 419.449934][ T4455] sysfs_create_dir_ns+0x8c/0x168 [ 419.451171][ T4455] kobject_add_internal+0x314/0x64c [ 419.452616][ T4455] kobject_add+0xb8/0x130 [ 419.453732][ T4455] blk_mq_register_hctx+0x54/0x184 [ 419.455082][ T4455] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 419.456570][ T4455] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 419.458036][ T4455] nbd_start_device+0xc4/0x510 [ 419.459256][ T4455] nbd_ioctl+0x228/0x66c [ 419.460375][ T4455] blkdev_ioctl+0x218/0x664 [ 419.461541][ T4455] __arm64_sys_ioctl+0xd0/0x148 [ 419.462745][ T4455] invoke_syscall+0x64/0x178 [ 419.463982][ T4455] el0_svc_common+0xb8/0x174 [ 419.465188][ T4455] do_el0_svc+0x48/0x174 [ 419.466249][ T4455] el0_svc+0x34/0x110 [ 419.467242][ T4455] el0t_64_sync_handler+0x84/0xf0 [ 419.468536][ T4455] el0t_64_sync+0x18c/0x190 [ 419.469941][ T4455] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 419.536418][ T4455] block nbd0: shutting down sockets [ 419.653745][ T4459] block nbd0: Device being setup by another task [ 419.655384][ T4458] FAULT_INJECTION: forcing a failure. [ 419.655384][ T4458] name failslab, interval 1, probability 0, space 0, times 0 [ 419.658838][ T4458] CPU: 1 PID: 4458 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 419.661438][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 419.664178][ T4458] Call trace: [ 419.664988][ T4458] dump_backtrace+0x1c8/0x1f4 [ 419.666177][ T4458] show_stack+0x2c/0x3c [ 419.667339][ T4458] dump_stack_lvl+0xc0/0x104 [ 419.668561][ T4458] dump_stack+0x1c/0x50 [ 419.669693][ T4458] should_fail_ex+0x1bc/0x1e0 [ 419.670952][ T4458] __should_failslab+0x64/0x78 [ 419.672170][ T4458] should_failslab+0x10/0x28 [ 419.673391][ T4458] slab_pre_alloc_hook+0x54/0x1f4 [ 419.674636][ T4458] kmem_cache_alloc_lru+0x60/0x2ac [ 419.675947][ T4458] alloc_inode+0x7c/0x104 [ 419.677029][ T4458] new_inode+0x2c/0xc0 [ 419.678062][ T4458] debugfs_create_dir+0x98/0x1e0 [ 419.679370][ T4458] nbd_start_device+0x1b4/0x510 [ 419.680676][ T4458] nbd_ioctl+0x228/0x66c [ 419.681831][ T4458] blkdev_ioctl+0x218/0x664 [ 419.682968][ T4458] __arm64_sys_ioctl+0xd0/0x148 [ 419.684210][ T4458] invoke_syscall+0x64/0x178 [ 419.685446][ T4458] el0_svc_common+0xb8/0x174 [ 419.686666][ T4458] do_el0_svc+0x48/0x174 [ 419.687753][ T4458] el0_svc+0x34/0x110 [ 419.688763][ T4458] el0t_64_sync_handler+0x84/0xf0 [ 419.690116][ T4458] el0t_64_sync+0x18c/0x190 [ 419.691338][ T4458] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.693334][ T4458] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.804965][ T4458] block nbd0: shutting down sockets [ 419.945084][ T4461] ------------[ cut here ]------------ [ 419.946528][ T4461] kernfs: can not remove 'nr_tags', no directory [ 419.948260][ T4461] WARNING: CPU: 1 PID: 4461 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.950832][ T4461] Modules linked in: [ 419.951827][ T4461] CPU: 1 PID: 4461 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 419.954370][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 419.957107][ T4461] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.959183][ T4461] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.960719][ T4461] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.962261][ T4461] sp : ffff80000df2bac0 [ 419.963290][ T4461] x29: ffff80000df2bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 419.965382][ T4461] x26: ffff0000c4e06d08 x25: ffff80000df2bbe8 x24: ffff0001ffbb0f80 [ 419.967461][ T4461] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 419.969615][ T4461] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.971719][ T4461] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 419.973797][ T4461] x14: 0000000000000000 x13: 205d313634345420 x12: ffff80000d183000 [ 419.975841][ T4461] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ebae652d61d68000 [ 419.977980][ T4461] x8 : ebae652d61d68000 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 419.980062][ T4461] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.982187][ T4461] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.984205][ T4461] Call trace: [ 419.985057][ T4461] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.986539][ T4461] sysfs_remove_group+0x68/0x160 [ 419.987849][ T4461] sysfs_remove_groups+0x3c/0x78 [ 419.989123][ T4461] __kobject_del+0x34/0x134 [ 419.990295][ T4461] kobject_del+0x2c/0x4c [ 419.991412][ T4461] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.992997][ T4461] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.994428][ T4461] nbd_start_device+0xc4/0x510 [ 419.995685][ T4461] nbd_ioctl+0x228/0x66c [ 419.996833][ T4461] blkdev_ioctl+0x218/0x664 [ 419.997989][ T4461] __arm64_sys_ioctl+0xd0/0x148 [ 419.999192][ T4461] invoke_syscall+0x64/0x178 [ 420.000438][ T4461] el0_svc_common+0xb8/0x174 [ 420.001672][ T4461] do_el0_svc+0x48/0x174 [ 420.002763][ T4461] el0_svc+0x34/0x110 [ 420.003792][ T4461] el0t_64_sync_handler+0x84/0xf0 [ 420.005059][ T4461] el0t_64_sync+0x18c/0x190 [ 420.006212][ T4461] ---[ end trace 0000000000000000 ]--- [ 420.007750][ T4461] ------------[ cut here ]------------ [ 420.009125][ T4461] kernfs: can not remove 'nr_reserved_tags', no directory [ 420.011074][ T4461] WARNING: CPU: 1 PID: 4461 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.013579][ T4461] Modules linked in: [ 420.014640][ T4461] CPU: 1 PID: 4461 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 420.017268][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 420.019858][ T4461] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.021926][ T4461] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.023411][ T4461] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.024896][ T4461] sp : ffff80000df2bac0 [ 420.025989][ T4461] x29: ffff80000df2bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 420.028141][ T4461] x26: ffff0000c4e06d08 x25: ffff80000df2bbe8 x24: ffff0001ffbb0f80 [ 420.030207][ T4461] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 420.032249][ T4461] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.034341][ T4461] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 420.036413][ T4461] x14: 0000000000000000 x13: 205d313634345420 x12: ffff80000d183000 [ 420.038567][ T4461] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ebae652d61d68000 [ 420.040793][ T4461] x8 : ebae652d61d68000 x7 : 0000000000000000 x6 : ffff80000ae0b6c0 [ 420.042917][ T4461] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f4ea8 [ 420.045010][ T4461] x2 : ffff0001fe9f4ea8 x1 : ffff80000b9a3c29 x0 : 0000000000000001 [ 420.047198][ T4461] Call trace: [ 420.048112][ T4461] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.049486][ T4461] sysfs_remove_group+0x68/0x160 [ 420.050820][ T4461] sysfs_remove_groups+0x3c/0x78 [ 420.052082][ T4461] __kobject_del+0x34/0x134 [ 420.053252][ T4461] kobject_del+0x2c/0x4c [ 420.054419][ T4461] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.055972][ T4461] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.057460][ T4461] nbd_start_device+0xc4/0x510 [ 420.058743][ T4461] nbd_ioctl+0x228/0x66c [ 420.059913][ T4461] blkdev_ioctl+0x218/0x664 [ 420.061116][ T4461] __arm64_sys_ioctl+0xd0/0x148 [ 420.062386][ T4461] invoke_syscall+0x64/0x178 [ 420.063679][ T4461] el0_svc_common+0xb8/0x174 [ 420.064898][ T4461] do_el0_svc+0x48/0x174 [ 420.066000][ T4461] el0_svc+0x34/0x110 [ 420.067061][ T4461] el0t_64_sync_handler+0x84/0xf0 [ 420.068457][ T4461] el0t_64_sync+0x18c/0x190 [ 420.069700][ T4461] ---[ end trace 0000000000000000 ]--- [ 420.071239][ T4461] ------------[ cut here ]------------ [ 420.072648][ T4461] kernfs: can not remove 'cpu_list', no directory [ 420.074416][ T4461] WARNING: CPU: 1 PID: 4461 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.076868][ T4461] Modules linked in: [ 420.077847][ T4461] CPU: 1 PID: 4461 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 420.080283][ T4461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 420.082802][ T4461] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.084867][ T4461] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.086398][ T4461] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.087930][ T4461] sp : ffff80000df2bac0 [ 420.089013][ T4461] x29: ffff80000df2bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 420.091181][ T4461] x26: ffff0000c4e06d08 x25: ffff80000df2bbe8 x24: ffff0001ffbb0f80 [ 420.093335][ T4461] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 420.095483][ T4461] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.097616][ T4461] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 420.099652][ T4461] x14: 0000000000000000 x13: 205d313634345420 x12: ffff80000d183000 [ 420.101772][ T4461] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ebae652d61d68000 [ 420.103890][ T4461] x8 : ebae652d61d68000 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 420.105989][ T4461] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.108089][ T4461] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.110182][ T4461] Call trace: [ 420.111047][ T4461] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.112524][ T4461] sysfs_remove_group+0x68/0x160 [ 420.113827][ T4461] sysfs_remove_groups+0x3c/0x78 [ 420.115138][ T4461] __kobject_del+0x34/0x134 [ 420.116329][ T4461] kobject_del+0x2c/0x4c [ 420.117483][ T4461] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.118979][ T4461] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.120482][ T4461] nbd_start_device+0xc4/0x510 [ 420.121724][ T4461] nbd_ioctl+0x228/0x66c [ 420.122790][ T4461] blkdev_ioctl+0x218/0x664 [ 420.123959][ T4461] __arm64_sys_ioctl+0xd0/0x148 [ 420.125217][ T4461] invoke_syscall+0x64/0x178 [ 420.126338][ T4461] el0_svc_common+0xb8/0x174 [ 420.127621][ T4461] do_el0_svc+0x48/0x174 [ 420.128735][ T4461] el0_svc+0x34/0x110 [ 420.129778][ T4461] el0t_64_sync_handler+0x84/0xf0 [ 420.131014][ T4461] el0t_64_sync+0x18c/0x190 [ 420.132236][ T4461] ---[ end trace 0000000000000000 ]--- [ 420.136086][ T4461] block nbd0: shutting down sockets [ 420.263797][ T4464] FAULT_INJECTION: forcing a failure. [ 420.263797][ T4464] name failslab, interval 1, probability 0, space 0, times 0 [ 420.267072][ T4464] CPU: 0 PID: 4464 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 420.269561][ T4464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 420.272014][ T4464] Call trace: [ 420.272840][ T4464] dump_backtrace+0x1c8/0x1f4 [ 420.274159][ T4464] show_stack+0x2c/0x3c [ 420.275269][ T4464] dump_stack_lvl+0xc0/0x104 [ 420.276478][ T4464] dump_stack+0x1c/0x50 [ 420.277539][ T4464] should_fail_ex+0x1bc/0x1e0 [ 420.278742][ T4464] __should_failslab+0x64/0x78 [ 420.279988][ T4464] should_failslab+0x10/0x28 [ 420.281184][ T4464] slab_pre_alloc_hook+0x54/0x1f4 [ 420.282458][ T4464] kmem_cache_alloc_lru+0x60/0x2ac [ 420.283819][ T4464] alloc_inode+0x7c/0x104 [ 420.284932][ T4464] new_inode+0x2c/0xc0 [ 420.285949][ T4464] debugfs_create_dir+0x98/0x1e0 [ 420.287254][ T4464] nbd_start_device+0x1b4/0x510 [ 420.288516][ T4464] nbd_ioctl+0x228/0x66c [ 420.289606][ T4464] blkdev_ioctl+0x218/0x664 [ 420.290763][ T4464] __arm64_sys_ioctl+0xd0/0x148 [ 420.291966][ T4464] invoke_syscall+0x64/0x178 [ 420.293146][ T4464] el0_svc_common+0xb8/0x174 [ 420.294406][ T4464] do_el0_svc+0x48/0x174 [ 420.295459][ T4464] el0_svc+0x34/0x110 [ 420.296409][ T4464] el0t_64_sync_handler+0x84/0xf0 [ 420.297748][ T4464] el0t_64_sync+0x18c/0x190 [ 420.299032][ T4464] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.301042][ T4464] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.406655][ T4464] block nbd0: shutting down sockets [ 420.533730][ T4467] block nbd0: Device being setup by another task [ 420.576017][ T4466] FAULT_INJECTION: forcing a failure. [ 420.576017][ T4466] name failslab, interval 1, probability 0, space 0, times 0 [ 420.579119][ T4466] CPU: 1 PID: 4466 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 420.581788][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 420.584505][ T4466] Call trace: [ 420.585356][ T4466] dump_backtrace+0x1c8/0x1f4 [ 420.586569][ T4466] show_stack+0x2c/0x3c [ 420.587634][ T4466] dump_stack_lvl+0xc0/0x104 [ 420.588886][ T4466] dump_stack+0x1c/0x50 [ 420.589919][ T4466] should_fail_ex+0x1bc/0x1e0 [ 420.591146][ T4466] __should_failslab+0x64/0x78 [ 420.592343][ T4466] should_failslab+0x10/0x28 [ 420.593514][ T4466] __kmem_cache_alloc_node+0x6c/0x348 [ 420.594900][ T4466] __kmalloc_node_track_caller+0x84/0xc0 [ 420.596374][ T4466] kstrdup_const+0x90/0xdc [ 420.597489][ T4466] __kernfs_new_node+0x5c/0x2e8 [ 420.598742][ T4466] kernfs_create_dir_ns+0xac/0x188 [ 420.600100][ T4466] sysfs_create_dir_ns+0x8c/0x168 [ 420.601387][ T4466] kobject_add_internal+0x314/0x64c [ 420.602747][ T4466] kobject_add+0xb8/0x130 [ 420.603911][ T4466] blk_mq_register_hctx+0x54/0x184 [ 420.605264][ T4466] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 420.606750][ T4466] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 420.608261][ T4466] nbd_start_device+0xc4/0x510 [ 420.609494][ T4466] nbd_ioctl+0x228/0x66c [ 420.610640][ T4466] blkdev_ioctl+0x218/0x664 [ 420.611803][ T4466] __arm64_sys_ioctl+0xd0/0x148 [ 420.613126][ T4466] invoke_syscall+0x64/0x178 [ 420.614270][ T4466] el0_svc_common+0xb8/0x174 [ 420.615483][ T4466] do_el0_svc+0x48/0x174 [ 420.616540][ T4466] el0_svc+0x34/0x110 [ 420.617645][ T4466] el0t_64_sync_handler+0x84/0xf0 [ 420.619014][ T4466] el0t_64_sync+0x18c/0x190 [ 420.620221][ T4466] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 420.674805][ T4466] block nbd0: shutting down sockets [ 420.783764][ T4470] block nbd0: Device being setup by another task [ 420.785721][ T4469] FAULT_INJECTION: forcing a failure. [ 420.785721][ T4469] name failslab, interval 1, probability 0, space 0, times 0 [ 420.788939][ T4469] CPU: 0 PID: 4469 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 420.791498][ T4469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 420.794191][ T4469] Call trace: [ 420.795046][ T4469] dump_backtrace+0x1c8/0x1f4 [ 420.796309][ T4469] show_stack+0x2c/0x3c [ 420.797330][ T4469] dump_stack_lvl+0xc0/0x104 [ 420.798499][ T4469] dump_stack+0x1c/0x50 [ 420.799615][ T4469] should_fail_ex+0x1bc/0x1e0 [ 420.800851][ T4469] __should_failslab+0x64/0x78 [ 420.802025][ T4469] should_failslab+0x10/0x28 [ 420.803185][ T4469] slab_pre_alloc_hook+0x54/0x1f4 [ 420.804473][ T4469] kmem_cache_alloc_lru+0x60/0x2ac [ 420.805797][ T4469] alloc_inode+0x7c/0x104 [ 420.806887][ T4469] new_inode+0x2c/0xc0 [ 420.807931][ T4469] debugfs_create_dir+0x98/0x1e0 [ 420.809187][ T4469] nbd_start_device+0x1b4/0x510 [ 420.810433][ T4469] nbd_ioctl+0x228/0x66c [ 420.811553][ T4469] blkdev_ioctl+0x218/0x664 [ 420.812726][ T4469] __arm64_sys_ioctl+0xd0/0x148 [ 420.814023][ T4469] invoke_syscall+0x64/0x178 [ 420.815205][ T4469] el0_svc_common+0xb8/0x174 [ 420.816366][ T4469] do_el0_svc+0x48/0x174 [ 420.817474][ T4469] el0_svc+0x34/0x110 [ 420.818486][ T4469] el0t_64_sync_handler+0x84/0xf0 [ 420.819811][ T4469] el0t_64_sync+0x18c/0x190 [ 420.821084][ T4469] debugfs: out of free dentries, can not create directory 'nbd0' [ 420.823051][ T4469] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.943222][ T4469] block nbd0: shutting down sockets [ 421.063733][ T4473] block nbd0: Device being setup by another task [ 421.065501][ T4472] FAULT_INJECTION: forcing a failure. [ 421.065501][ T4472] name failslab, interval 1, probability 0, space 0, times 0 [ 421.068734][ T4472] CPU: 0 PID: 4472 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 421.071225][ T4472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 421.073818][ T4472] Call trace: [ 421.074746][ T4472] dump_backtrace+0x1c8/0x1f4 [ 421.075927][ T4472] show_stack+0x2c/0x3c [ 421.077047][ T4472] dump_stack_lvl+0xc0/0x104 [ 421.078275][ T4472] dump_stack+0x1c/0x50 [ 421.079324][ T4472] should_fail_ex+0x1bc/0x1e0 [ 421.080573][ T4472] __should_failslab+0x64/0x78 [ 421.081802][ T4472] should_failslab+0x10/0x28 [ 421.083006][ T4472] slab_pre_alloc_hook+0x54/0x1f4 [ 421.084381][ T4472] kmem_cache_alloc_lru+0x60/0x2ac [ 421.085667][ T4472] alloc_inode+0x7c/0x104 [ 421.086794][ T4472] new_inode+0x2c/0xc0 [ 421.087862][ T4472] debugfs_create_dir+0x98/0x1e0 [ 421.089143][ T4472] nbd_start_device+0x1b4/0x510 [ 421.090506][ T4472] nbd_ioctl+0x228/0x66c [ 421.091663][ T4472] blkdev_ioctl+0x218/0x664 [ 421.092883][ T4472] __arm64_sys_ioctl+0xd0/0x148 [ 421.094158][ T4472] invoke_syscall+0x64/0x178 [ 421.095339][ T4472] el0_svc_common+0xb8/0x174 [ 421.096577][ T4472] do_el0_svc+0x48/0x174 [ 421.097787][ T4472] el0_svc+0x34/0x110 [ 421.098853][ T4472] el0t_64_sync_handler+0x84/0xf0 [ 421.100166][ T4472] el0t_64_sync+0x18c/0x190 [ 421.101391][ T4472] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.103377][ T4472] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.210761][ T4472] block nbd0: shutting down sockets [ 421.333764][ T4476] block nbd0: Device being setup by another task [ 421.335449][ T4475] FAULT_INJECTION: forcing a failure. [ 421.335449][ T4475] name failslab, interval 1, probability 0, space 0, times 0 [ 421.338729][ T4475] CPU: 1 PID: 4475 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 421.341230][ T4475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 421.343861][ T4475] Call trace: [ 421.344756][ T4475] dump_backtrace+0x1c8/0x1f4 [ 421.345930][ T4475] show_stack+0x2c/0x3c [ 421.346989][ T4475] dump_stack_lvl+0xc0/0x104 [ 421.348223][ T4475] dump_stack+0x1c/0x50 [ 421.349303][ T4475] should_fail_ex+0x1bc/0x1e0 [ 421.350507][ T4475] __should_failslab+0x64/0x78 [ 421.351752][ T4475] should_failslab+0x10/0x28 [ 421.352937][ T4475] slab_pre_alloc_hook+0x54/0x1f4 [ 421.354284][ T4475] kmem_cache_alloc_lru+0x60/0x2ac [ 421.355622][ T4475] alloc_inode+0x7c/0x104 [ 421.356819][ T4475] new_inode+0x2c/0xc0 [ 421.357924][ T4475] debugfs_create_dir+0x98/0x1e0 [ 421.359170][ T4475] nbd_start_device+0x1b4/0x510 [ 421.360448][ T4475] nbd_ioctl+0x228/0x66c [ 421.361564][ T4475] blkdev_ioctl+0x218/0x664 [ 421.362698][ T4475] __arm64_sys_ioctl+0xd0/0x148 [ 421.363974][ T4475] invoke_syscall+0x64/0x178 [ 421.365145][ T4475] el0_svc_common+0xb8/0x174 [ 421.366364][ T4475] do_el0_svc+0x48/0x174 [ 421.367472][ T4475] el0_svc+0x34/0x110 [ 421.368498][ T4475] el0t_64_sync_handler+0x84/0xf0 [ 421.369806][ T4475] el0t_64_sync+0x18c/0x190 [ 421.370966][ T4475] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.372895][ T4475] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.480159][ T4475] block nbd0: shutting down sockets [ 421.615091][ T4478] ------------[ cut here ]------------ [ 421.616498][ T4478] kernfs: can not remove 'nr_tags', no directory [ 421.618168][ T4478] WARNING: CPU: 0 PID: 4478 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.620570][ T4478] Modules linked in: [ 421.621561][ T4478] CPU: 0 PID: 4478 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 421.624014][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 421.626714][ T4478] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.628801][ T4478] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.630272][ T4478] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.631771][ T4478] sp : ffff80000df1bac0 [ 421.632760][ T4478] x29: ffff80000df1bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 421.634837][ T4478] x26: ffff0000c4e06d08 x25: ffff80000df1bbe8 x24: ffff0001ffbccf80 [ 421.636937][ T4478] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 421.639024][ T4478] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.641071][ T4478] x17: ffff80000d3bf688 x16: 0000000000001156 x15: 0000000000000000 [ 421.643268][ T4478] x14: 0000000000000000 x13: 205d383734345420 x12: ffff80000d183000 [ 421.645386][ T4478] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 46aea6ad97d2cb00 [ 421.647453][ T4478] x8 : 46aea6ad97d2cb00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 421.649483][ T4478] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.651603][ T4478] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.653638][ T4478] Call trace: [ 421.654448][ T4478] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.655873][ T4478] sysfs_remove_group+0x68/0x160 [ 421.657131][ T4478] sysfs_remove_groups+0x3c/0x78 [ 421.658393][ T4478] __kobject_del+0x34/0x134 [ 421.659595][ T4478] kobject_del+0x2c/0x4c [ 421.660685][ T4478] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.662256][ T4478] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.663743][ T4478] nbd_start_device+0xc4/0x510 [ 421.664963][ T4478] nbd_ioctl+0x228/0x66c [ 421.666086][ T4478] blkdev_ioctl+0x218/0x664 [ 421.667268][ T4478] __arm64_sys_ioctl+0xd0/0x148 [ 421.668598][ T4478] invoke_syscall+0x64/0x178 [ 421.669830][ T4478] el0_svc_common+0xb8/0x174 [ 421.671007][ T4478] do_el0_svc+0x48/0x174 [ 421.672117][ T4478] el0_svc+0x34/0x110 [ 421.673187][ T4478] el0t_64_sync_handler+0x84/0xf0 [ 421.674479][ T4478] el0t_64_sync+0x18c/0x190 [ 421.675653][ T4478] ---[ end trace 0000000000000000 ]--- [ 421.677139][ T4478] ------------[ cut here ]------------ [ 421.678465][ T4478] kernfs: can not remove 'nr_reserved_tags', no directory [ 421.680291][ T4478] WARNING: CPU: 0 PID: 4478 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.682730][ T4478] Modules linked in: [ 421.683748][ T4478] CPU: 0 PID: 4478 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 421.686458][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 421.689072][ T4478] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.691091][ T4478] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.692616][ T4478] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.694158][ T4478] sp : ffff80000df1bac0 [ 421.695223][ T4478] x29: ffff80000df1bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 421.697232][ T4478] x26: ffff0000c4e06d08 x25: ffff80000df1bbe8 x24: ffff0001ffbccf80 [ 421.699343][ T4478] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 421.701402][ T4478] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.703486][ T4478] x17: ffff80000d3bf688 x16: 0000000000001156 x15: 0000000000000000 [ 421.705494][ T4478] x14: 0000000000000000 x13: 205d383734345420 x12: ffff80000d183000 [ 421.707597][ T4478] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 46aea6ad97d2cb00 [ 421.709750][ T4478] x8 : 46aea6ad97d2cb00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 421.711792][ T4478] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.713916][ T4478] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.716038][ T4478] Call trace: [ 421.716849][ T4478] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.718260][ T4478] sysfs_remove_group+0x68/0x160 [ 421.719536][ T4478] sysfs_remove_groups+0x3c/0x78 [ 421.720871][ T4478] __kobject_del+0x34/0x134 [ 421.722085][ T4478] kobject_del+0x2c/0x4c [ 421.723226][ T4478] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.724771][ T4478] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.726316][ T4478] nbd_start_device+0xc4/0x510 [ 421.727557][ T4478] nbd_ioctl+0x228/0x66c [ 421.728694][ T4478] blkdev_ioctl+0x218/0x664 [ 421.729856][ T4478] __arm64_sys_ioctl+0xd0/0x148 [ 421.731136][ T4478] invoke_syscall+0x64/0x178 [ 421.732312][ T4478] el0_svc_common+0xb8/0x174 [ 421.733512][ T4478] do_el0_svc+0x48/0x174 [ 421.734567][ T4478] el0_svc+0x34/0x110 [ 421.735677][ T4478] el0t_64_sync_handler+0x84/0xf0 [ 421.737024][ T4478] el0t_64_sync+0x18c/0x190 [ 421.738215][ T4478] ---[ end trace 0000000000000000 ]--- [ 421.739672][ T4478] ------------[ cut here ]------------ [ 421.741040][ T4478] kernfs: can not remove 'cpu_list', no directory [ 421.742670][ T4478] WARNING: CPU: 0 PID: 4478 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.745307][ T4478] Modules linked in: [ 421.746283][ T4478] CPU: 0 PID: 4478 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 421.748914][ T4478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 421.751483][ T4478] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.753556][ T4478] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.755167][ T4478] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.756631][ T4478] sp : ffff80000df1bac0 [ 421.757765][ T4478] x29: ffff80000df1bac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 421.759828][ T4478] x26: ffff0000c4e06d08 x25: ffff80000df1bbe8 x24: ffff0001ffbccf80 [ 421.761917][ T4478] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 421.763984][ T4478] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.765994][ T4478] x17: ffff80000d3bf688 x16: 0000000000001156 x15: 0000000000000000 [ 421.767993][ T4478] x14: 0000000000000000 x13: 205d383734345420 x12: ffff80000d183000 [ 421.770074][ T4478] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 46aea6ad97d2cb00 [ 421.772189][ T4478] x8 : 46aea6ad97d2cb00 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 421.774248][ T4478] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.776397][ T4478] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.778505][ T4478] Call trace: [ 421.779334][ T4478] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.780778][ T4478] sysfs_remove_group+0x68/0x160 [ 421.782040][ T4478] sysfs_remove_groups+0x3c/0x78 [ 421.783330][ T4478] __kobject_del+0x34/0x134 [ 421.784515][ T4478] kobject_del+0x2c/0x4c [ 421.785574][ T4478] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.787113][ T4478] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.788643][ T4478] nbd_start_device+0xc4/0x510 [ 421.789910][ T4478] nbd_ioctl+0x228/0x66c [ 421.791081][ T4478] blkdev_ioctl+0x218/0x664 [ 421.792263][ T4478] __arm64_sys_ioctl+0xd0/0x148 [ 421.793556][ T4478] invoke_syscall+0x64/0x178 [ 421.794776][ T4478] el0_svc_common+0xb8/0x174 [ 421.795982][ T4478] do_el0_svc+0x48/0x174 [ 421.797074][ T4478] el0_svc+0x34/0x110 [ 421.798075][ T4478] el0t_64_sync_handler+0x84/0xf0 [ 421.799334][ T4478] el0t_64_sync+0x18c/0x190 [ 421.800555][ T4478] ---[ end trace 0000000000000000 ]--- [ 421.804186][ T4478] block nbd0: shutting down sockets [ 421.913767][ T4481] block nbd0: Device being setup by another task [ 421.955229][ T4480] FAULT_INJECTION: forcing a failure. [ 421.955229][ T4480] name failslab, interval 1, probability 0, space 0, times 0 [ 421.958539][ T4480] CPU: 1 PID: 4480 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 421.961030][ T4480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 421.963572][ T4480] Call trace: [ 421.964398][ T4480] dump_backtrace+0x1c8/0x1f4 [ 421.965593][ T4480] show_stack+0x2c/0x3c [ 421.966599][ T4480] dump_stack_lvl+0xc0/0x104 [ 421.967722][ T4480] dump_stack+0x1c/0x50 [ 421.968782][ T4480] should_fail_ex+0x1bc/0x1e0 [ 421.970011][ T4480] __should_failslab+0x64/0x78 [ 421.971232][ T4480] should_failslab+0x10/0x28 [ 421.972408][ T4480] __kmem_cache_alloc_node+0x6c/0x348 [ 421.973884][ T4480] __kmalloc_node_track_caller+0x84/0xc0 [ 421.975354][ T4480] kstrdup_const+0x90/0xdc [ 421.976507][ T4480] __kernfs_new_node+0x5c/0x2e8 [ 421.977752][ T4480] kernfs_create_dir_ns+0xac/0x188 [ 421.979064][ T4480] sysfs_create_dir_ns+0x8c/0x168 [ 421.980395][ T4480] kobject_add_internal+0x314/0x64c [ 421.981700][ T4480] kobject_add+0xb8/0x130 [ 421.982823][ T4480] blk_mq_register_hctx+0x54/0x184 [ 421.984222][ T4480] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 421.985784][ T4480] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 421.987243][ T4480] nbd_start_device+0xc4/0x510 [ 421.988536][ T4480] nbd_ioctl+0x228/0x66c [ 421.989622][ T4480] blkdev_ioctl+0x218/0x664 [ 421.990784][ T4480] __arm64_sys_ioctl+0xd0/0x148 [ 421.992038][ T4480] invoke_syscall+0x64/0x178 [ 421.993243][ T4480] el0_svc_common+0xb8/0x174 [ 421.994450][ T4480] do_el0_svc+0x48/0x174 [ 421.995598][ T4480] el0_svc+0x34/0x110 [ 421.996709][ T4480] el0t_64_sync_handler+0x84/0xf0 [ 421.997984][ T4480] el0t_64_sync+0x18c/0x190 [ 421.999226][ T4480] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 422.072877][ T4480] block nbd0: shutting down sockets [ 422.205284][ T4483] ------------[ cut here ]------------ [ 422.206757][ T4483] kernfs: can not remove 'nr_tags', no directory [ 422.208454][ T4483] WARNING: CPU: 1 PID: 4483 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.210943][ T4483] Modules linked in: [ 422.211938][ T4483] CPU: 1 PID: 4483 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 422.214467][ T4483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 422.217213][ T4483] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.219329][ T4483] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.220792][ T4483] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.222306][ T4483] sp : ffff80000deb3ac0 [ 422.223400][ T4483] x29: ffff80000deb3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 422.225464][ T4483] x26: ffff0000c4e06d08 x25: ffff80000deb3be8 x24: ffff0001ffbd2000 [ 422.227512][ T4483] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 422.229725][ T4483] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.231883][ T4483] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 422.233997][ T4483] x14: 0000000000000000 x13: 205d333834345420 x12: ffff80000d183000 [ 422.236139][ T4483] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2dd1081c96f4f500 [ 422.238170][ T4483] x8 : 2dd1081c96f4f500 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 422.240310][ T4483] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.242412][ T4483] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.244513][ T4483] Call trace: [ 422.245366][ T4483] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.246794][ T4483] sysfs_remove_group+0x68/0x160 [ 422.248081][ T4483] sysfs_remove_groups+0x3c/0x78 [ 422.249349][ T4483] __kobject_del+0x34/0x134 [ 422.250538][ T4483] kobject_del+0x2c/0x4c [ 422.251646][ T4483] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.253220][ T4483] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.254805][ T4483] nbd_start_device+0xc4/0x510 [ 422.256081][ T4483] nbd_ioctl+0x228/0x66c [ 422.257227][ T4483] blkdev_ioctl+0x218/0x664 [ 422.258432][ T4483] __arm64_sys_ioctl+0xd0/0x148 [ 422.259691][ T4483] invoke_syscall+0x64/0x178 [ 422.260943][ T4483] el0_svc_common+0xb8/0x174 [ 422.262152][ T4483] do_el0_svc+0x48/0x174 [ 422.263259][ T4483] el0_svc+0x34/0x110 [ 422.264304][ T4483] el0t_64_sync_handler+0x84/0xf0 [ 422.265610][ T4483] el0t_64_sync+0x18c/0x190 [ 422.266834][ T4483] ---[ end trace 0000000000000000 ]--- [ 422.268274][ T4483] ------------[ cut here ]------------ [ 422.269712][ T4483] kernfs: can not remove 'nr_reserved_tags', no directory [ 422.271538][ T4483] WARNING: CPU: 1 PID: 4483 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.273907][ T4483] Modules linked in: [ 422.274909][ T4483] CPU: 1 PID: 4483 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 422.277442][ T4483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 422.280125][ T4483] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.282141][ T4483] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.283718][ T4483] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.285188][ T4483] sp : ffff80000deb3ac0 [ 422.286236][ T4483] x29: ffff80000deb3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 422.288334][ T4483] x26: ffff0000c4e06d08 x25: ffff80000deb3be8 x24: ffff0001ffbd2000 [ 422.290475][ T4483] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 422.292575][ T4483] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.294711][ T4483] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 422.296825][ T4483] x14: 0000000000000000 x13: 205d333834345420 x12: ffff80000d183000 [ 422.298968][ T4483] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2dd1081c96f4f500 [ 422.301034][ T4483] x8 : 2dd1081c96f4f500 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 422.303118][ T4483] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.305311][ T4483] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.307376][ T4483] Call trace: [ 422.308222][ T4483] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.309671][ T4483] sysfs_remove_group+0x68/0x160 [ 422.310948][ T4483] sysfs_remove_groups+0x3c/0x78 [ 422.312208][ T4483] __kobject_del+0x34/0x134 [ 422.313373][ T4483] kobject_del+0x2c/0x4c [ 422.314512][ T4483] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.316079][ T4483] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.317566][ T4483] nbd_start_device+0xc4/0x510 [ 422.318847][ T4483] nbd_ioctl+0x228/0x66c [ 422.319963][ T4483] blkdev_ioctl+0x218/0x664 [ 422.321077][ T4483] __arm64_sys_ioctl+0xd0/0x148 [ 422.322314][ T4483] invoke_syscall+0x64/0x178 [ 422.323448][ T4483] el0_svc_common+0xb8/0x174 [ 422.324660][ T4483] do_el0_svc+0x48/0x174 [ 422.325701][ T4483] el0_svc+0x34/0x110 [ 422.326785][ T4483] el0t_64_sync_handler+0x84/0xf0 [ 422.328079][ T4483] el0t_64_sync+0x18c/0x190 [ 422.329252][ T4483] ---[ end trace 0000000000000000 ]--- [ 422.330845][ T4483] ------------[ cut here ]------------ [ 422.332200][ T4483] kernfs: can not remove 'cpu_list', no directory [ 422.334018][ T4483] WARNING: CPU: 1 PID: 4483 at fs/kernfs/dir.c:1640 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.336562][ T4483] Modules linked in: [ 422.337558][ T4483] CPU: 1 PID: 4483 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 422.340058][ T4483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 422.342491][ T4483] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.344510][ T4483] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.346052][ T4483] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.347562][ T4483] sp : ffff80000deb3ac0 [ 422.348677][ T4483] x29: ffff80000deb3ac0 x28: ffff80000bcd1000 x27: ffff0000c4e06d08 [ 422.350792][ T4483] x26: ffff0000c4e06d08 x25: ffff80000deb3be8 x24: ffff0001ffbd2000 [ 422.352923][ T4483] x23: ffff0000c68c0000 x22: 0000000000000000 x21: 0000000000000000 [ 422.355025][ T4483] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.357111][ T4483] x17: ffff80000d3bf688 x16: 0000000000001167 x15: 0000000000000000 [ 422.359216][ T4483] x14: 0000000000000000 x13: 205d333834345420 x12: ffff80000d183000 [ 422.361330][ T4483] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 2dd1081c96f4f500 [ 422.363479][ T4483] x8 : 2dd1081c96f4f500 x7 : 0000000000000000 x6 : ffff80000ae0fcf4 [ 422.365656][ T4483] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.367736][ T4483] x2 : ffff0001fe9e9ba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.369788][ T4483] Call trace: [ 422.370588][ T4483] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.372114][ T4483] sysfs_remove_group+0x68/0x160 [ 422.373413][ T4483] sysfs_remove_groups+0x3c/0x78 [ 422.374728][ T4483] __kobject_del+0x34/0x134 [ 422.375889][ T4483] kobject_del+0x2c/0x4c [ 422.377024][ T4483] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.378615][ T4483] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.380064][ T4483] nbd_start_device+0xc4/0x510 [ 422.381359][ T4483] nbd_ioctl+0x228/0x66c [ 422.382467][ T4483] blkdev_ioctl+0x218/0x664 [ 422.384035][ T4483] __arm64_sys_ioctl+0xd0/0x148 [ 422.385421][ T4483] invoke_syscall+0x64/0x178 [ 422.386852][ T4483] el0_svc_common+0xb8/0x174 [ 422.388409][ T4483] do_el0_svc+0x48/0x174 [ 422.389899][ T4483] el0_svc+0x34/0x110 [ 422.390963][ T4483] el0t_64_sync_handler+0x84/0xf0 [ 422.392261][ T4483] el0t_64_sync+0x18c/0x190 [ 422.393438][ T4483] ---[ end trace 0000000000000000 ]--- [ 422.397343][ T4483] block nbd0: shutting down sockets [ 422.483922][ T4485] FAULT_INJECTION: forcing a failure. [ 422.483922][ T4485] name failslab, interval 1, probability 0, space 0, times 0 [ 422.487085][ T4485] CPU: 0 PID: 4485 Comm: syz-executor102 Tainted: G W 6.1.83-syzkaller #0 [ 422.489508][ T4485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 422.492080][ T4485] Call trace: [ 422.492878][ T4485] dump_backtrace+0x1c8/0x1f4 [ 422.494022][ T4485] show_stack+0x2c/0x3c [ 422.495141][ T4485] dump_stack_lvl+0xc0/0x104 [ 422.496357][ T4485] dump_stack+0x1c/0x50 [ 422.497449][ T4485] should_fail_ex+0x1bc/0x1e0 [ 422.498628][ T4485] __should_failslab+0x64/0x78 [ 422.499847][ T4485] should_failslab+0x10/0x28 [ 422.501059][ T4485] slab_pre_alloc_hook+0x54/0x1f4 [ 422.502433][ T4485] kmem_cache_alloc_lru+0x60/0x2ac [ 422.503801][ T4485] alloc_inode+0x7c/0x104 [ 422.504973][ T4485] new_inode+0x2c/0xc0 [ 422.506036][ T4485] debugfs_create_dir+0x98/0x1e0 [ 422.507278][ T4485] nbd_start_device+0x1b4/0x510 [ 422.508512][ T4485] nbd_ioctl+0x228/0x66c [ 422.509636][ T4485] blkdev_ioctl+0x218/0x664 [ 422.510745][ T4485] __arm64_sys_ioctl+0xd0/0x148 [ 422.511981][ T4485] invoke_syscall+0x64/0x178 [ 422.513175][ T4485] el0_svc_common+0xb8/0x174 [ 422.514387][ T4485] do_el0_svc+0x48/0x174 [ 422.515453][ T4485] el0_svc+0x34/0x110 [ 422.516561][ T4485] el0t_64_sync_handler+0x84/0xf0 [ 422.517939][ T4485] el0t_64_sync+0x18c/0x190 [ 422.519142][ T4485] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.521178][ T4485] block nbd0: Failed to create debugfs dir for 'nbd0'