[ 401.276791][ T4256] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 401.984838][ T43] block nbd0: Receive control failed (result -32) [ 401.984844][ T3160] block nbd0: Receive control failed (result -32) [ 401.986619][ T4256] block nbd0: shutting down sockets [ 402.106924][ T4258] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 402.828547][ T43] block nbd0: Receive control failed (result -32) [ 402.828557][ T3160] block nbd0: Receive control failed (result -32) [ 402.831556][ T4258] block nbd0: shutting down sockets [ 403.016505][ T4261] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 403.671574][ T43] block nbd0: Receive control failed (result -32) [ 403.671574][ T3160] block nbd0: Receive control failed (result -32) [ 403.673287][ T4261] block nbd0: shutting down sockets [ 403.816359][ T4263] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 404.515652][ T43] block nbd0: Receive control failed (result -32) [ 404.515657][ T3160] block nbd0: Receive control failed (result -32) [ 404.517351][ T4263] block nbd0: shutting down sockets [ 405.045366][ T11] device bridge_slave_1 left promiscuous mode [ 405.046707][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 405.085095][ T11] device bridge_slave_0 left promiscuous mode [ 405.086530][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 405.125919][ T11] device veth0_macvtap left promiscuous mode [ 405.127235][ T11] device veth1_vlan left promiscuous mode [ 405.128500][ T11] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts. [ 407.926281][ T4273] FAULT_INJECTION: forcing a failure. [ 407.926281][ T4273] name failslab, interval 1, probability 0, space 0, times 0 [ 407.929023][ T4273] CPU: 0 PID: 4273 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 407.930796][ T4273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 407.932916][ T4273] Call trace: [ 407.933583][ T4273] dump_backtrace+0x1c8/0x1f4 [ 407.934529][ T4273] show_stack+0x2c/0x3c [ 407.935384][ T4273] dump_stack_lvl+0xc0/0x104 [ 407.936354][ T4273] dump_stack+0x1c/0x50 [ 407.937261][ T4273] should_fail_ex+0x1bc/0x1e0 [ 407.938313][ T4273] __should_failslab+0x64/0x78 [ 407.939267][ T4273] should_failslab+0x10/0x28 [ 407.940254][ T4273] __kmem_cache_alloc_node+0x6c/0x348 [ 407.941333][ T4273] __kmalloc+0x98/0xd8 [ 407.942189][ T4273] tomoyo_supervisor+0x700/0x888 [ 407.943199][ T4273] tomoyo_path_number_perm+0x200/0x2a8 [ 407.944247][ T4273] tomoyo_file_ioctl+0x2c/0x3c [ 407.945364][ T4273] security_file_ioctl+0x4c/0x8c [ 407.946344][ T4273] __arm64_sys_ioctl+0x5c/0x148 [ 407.947319][ T4273] invoke_syscall+0x64/0x174 [ 407.948329][ T4273] el0_svc_common+0xb8/0x174 [ 407.949343][ T4273] do_el0_svc+0x3c/0xec [ 407.950203][ T4273] el0_svc+0x34/0x110 [ 407.951044][ T4273] el0t_64_sync_handler+0x84/0xf0 [ 407.952110][ T4273] el0t_64_sync+0x18c/0x190 [ 408.084975][ T4273] block nbd0: shutting down sockets [ 408.185081][ T4276] FAULT_INJECTION: forcing a failure. [ 408.185081][ T4276] name failslab, interval 1, probability 0, space 0, times 0 [ 408.187876][ T4276] CPU: 1 PID: 4276 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 408.189642][ T4276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.191713][ T4276] Call trace: [ 408.192420][ T4276] dump_backtrace+0x1c8/0x1f4 [ 408.193484][ T4276] show_stack+0x2c/0x3c [ 408.194394][ T4276] dump_stack_lvl+0xc0/0x104 [ 408.195483][ T4276] dump_stack+0x1c/0x50 [ 408.196415][ T4276] should_fail_ex+0x1bc/0x1e0 [ 408.197405][ T4276] __should_failslab+0x64/0x78 [ 408.198496][ T4276] should_failslab+0x10/0x28 [ 408.199543][ T4276] __kmem_cache_alloc_node+0x6c/0x348 [ 408.200648][ T4276] __kmalloc+0x98/0xd8 [ 408.201465][ T4276] tomoyo_supervisor+0x700/0x888 [ 408.202500][ T4276] tomoyo_path_number_perm+0x200/0x2a8 [ 408.203616][ T4276] tomoyo_file_ioctl+0x2c/0x3c [ 408.204614][ T4276] security_file_ioctl+0x4c/0x8c [ 408.205716][ T4276] __arm64_sys_ioctl+0x5c/0x148 [ 408.206744][ T4276] invoke_syscall+0x64/0x174 [ 408.207824][ T4276] el0_svc_common+0xb8/0x174 [ 408.208827][ T4276] do_el0_svc+0x3c/0xec [ 408.209686][ T4276] el0_svc+0x34/0x110 [ 408.210657][ T4276] el0t_64_sync_handler+0x84/0xf0 [ 408.211881][ T4276] el0t_64_sync+0x18c/0x190 [ 408.343286][ T4276] block nbd0: shutting down sockets [ 408.453043][ T4278] FAULT_INJECTION: forcing a failure. [ 408.453043][ T4278] name failslab, interval 1, probability 0, space 0, times 0 [ 408.454761][ T4279] block nbd0: Device being setup by another task [ 408.457390][ T4278] CPU: 1 PID: 4278 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 408.459151][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.461366][ T4278] Call trace: [ 408.462060][ T4278] dump_backtrace+0x1c8/0x1f4 [ 408.463108][ T4278] show_stack+0x2c/0x3c [ 408.463868][ T4278] dump_stack_lvl+0xc0/0x104 [ 408.464879][ T4278] dump_stack+0x1c/0x50 [ 408.465723][ T4278] should_fail_ex+0x1bc/0x1e0 [ 408.466799][ T4278] __should_failslab+0x64/0x78 [ 408.467853][ T4278] should_failslab+0x10/0x28 [ 408.468791][ T4278] __kmem_cache_alloc_node+0x6c/0x348 [ 408.470033][ T4278] __kmalloc+0x98/0xd8 [ 408.470967][ T4278] tomoyo_supervisor+0x700/0x888 [ 408.471999][ T4278] tomoyo_path_number_perm+0x200/0x2a8 [ 408.473314][ T4278] tomoyo_file_ioctl+0x2c/0x3c [ 408.474358][ T4278] security_file_ioctl+0x4c/0x8c [ 408.475340][ T4278] __arm64_sys_ioctl+0x5c/0x148 [ 408.476393][ T4278] invoke_syscall+0x64/0x174 [ 408.477379][ T4278] el0_svc_common+0xb8/0x174 [ 408.478386][ T4278] do_el0_svc+0x3c/0xec [ 408.479251][ T4278] el0_svc+0x34/0x110 [ 408.480164][ T4278] el0t_64_sync_handler+0x84/0xf0 [ 408.481248][ T4278] el0t_64_sync+0x18c/0x190 [ 408.611047][ T4278] block nbd0: shutting down sockets [ 408.705099][ T4281] FAULT_INJECTION: forcing a failure. [ 408.705099][ T4281] name failslab, interval 1, probability 0, space 0, times 0 [ 408.707831][ T4281] CPU: 1 PID: 4281 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 408.709545][ T4281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.711587][ T4281] Call trace: [ 408.712185][ T4281] dump_backtrace+0x1c8/0x1f4 [ 408.713080][ T4281] show_stack+0x2c/0x3c [ 408.713913][ T4281] dump_stack_lvl+0xc0/0x104 [ 408.714811][ T4281] dump_stack+0x1c/0x50 [ 408.715650][ T4281] should_fail_ex+0x1bc/0x1e0 [ 408.716545][ T4281] __should_failslab+0x64/0x78 [ 408.717517][ T4281] should_failslab+0x10/0x28 [ 408.718406][ T4281] __kmem_cache_alloc_node+0x6c/0x348 [ 408.719457][ T4281] __kmalloc+0x98/0xd8 [ 408.720289][ T4281] tomoyo_supervisor+0x700/0x888 [ 408.721307][ T4281] tomoyo_path_number_perm+0x200/0x2a8 [ 408.722489][ T4281] tomoyo_file_ioctl+0x2c/0x3c [ 408.723495][ T4281] security_file_ioctl+0x4c/0x8c [ 408.724520][ T4281] __arm64_sys_ioctl+0x5c/0x148 [ 408.725464][ T4281] invoke_syscall+0x64/0x174 [ 408.726400][ T4281] el0_svc_common+0xb8/0x174 [ 408.727304][ T4281] do_el0_svc+0x3c/0xec [ 408.728106][ T4281] el0_svc+0x34/0x110 [ 408.728926][ T4281] el0t_64_sync_handler+0x84/0xf0 [ 408.729988][ T4281] el0t_64_sync+0x18c/0x190 [ 408.864561][ T4281] block nbd0: shutting down sockets [ 408.945090][ T4283] FAULT_INJECTION: forcing a failure. [ 408.945090][ T4283] name failslab, interval 1, probability 0, space 0, times 0 [ 408.947664][ T4283] CPU: 1 PID: 4283 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 408.949334][ T4283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.951431][ T4283] Call trace: [ 408.952162][ T4283] dump_backtrace+0x1c8/0x1f4 [ 408.953133][ T4283] show_stack+0x2c/0x3c [ 408.954021][ T4283] dump_stack_lvl+0xc0/0x104 [ 408.954983][ T4283] dump_stack+0x1c/0x50 [ 408.955893][ T4283] should_fail_ex+0x1bc/0x1e0 [ 408.956947][ T4283] __should_failslab+0x64/0x78 [ 408.957895][ T4283] should_failslab+0x10/0x28 [ 408.958897][ T4283] __kmem_cache_alloc_node+0x6c/0x348 [ 408.960271][ T4283] __kmalloc+0x98/0xd8 [ 408.961130][ T4283] tomoyo_supervisor+0x700/0x888 [ 408.962212][ T4283] tomoyo_path_number_perm+0x200/0x2a8 [ 408.963381][ T4283] tomoyo_file_ioctl+0x2c/0x3c [ 408.964459][ T4283] security_file_ioctl+0x4c/0x8c [ 408.965404][ T4283] __arm64_sys_ioctl+0x5c/0x148 [ 408.966363][ T4283] invoke_syscall+0x64/0x174 [ 408.967308][ T4283] el0_svc_common+0xb8/0x174 [ 408.968201][ T4283] do_el0_svc+0x3c/0xec [ 408.969209][ T4283] el0_svc+0x34/0x110 [ 408.969954][ T4283] el0t_64_sync_handler+0x84/0xf0 [ 408.971031][ T4283] el0t_64_sync+0x18c/0x190 [ 409.103870][ T4283] block nbd0: shutting down sockets [ 409.196230][ T4286] FAULT_INJECTION: forcing a failure. [ 409.196230][ T4286] name failslab, interval 1, probability 0, space 0, times 0 [ 409.198763][ T4286] CPU: 1 PID: 4286 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 409.200566][ T4286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.202721][ T4286] Call trace: [ 409.203359][ T4286] dump_backtrace+0x1c8/0x1f4 [ 409.204401][ T4286] show_stack+0x2c/0x3c [ 409.205248][ T4286] dump_stack_lvl+0xc0/0x104 [ 409.206198][ T4286] dump_stack+0x1c/0x50 [ 409.207183][ T4286] should_fail_ex+0x1bc/0x1e0 [ 409.208149][ T4286] __should_failslab+0x64/0x78 [ 409.209118][ T4286] should_failslab+0x10/0x28 [ 409.210123][ T4286] __kmem_cache_alloc_node+0x6c/0x348 [ 409.211306][ T4286] __kmalloc+0x98/0xd8 [ 409.212154][ T4286] tomoyo_supervisor+0x700/0x888 [ 409.213154][ T4286] tomoyo_path_number_perm+0x200/0x2a8 [ 409.214292][ T4286] tomoyo_file_ioctl+0x2c/0x3c [ 409.215232][ T4286] security_file_ioctl+0x4c/0x8c [ 409.216265][ T4286] __arm64_sys_ioctl+0x5c/0x148 [ 409.217264][ T4286] invoke_syscall+0x64/0x174 [ 409.218335][ T4286] el0_svc_common+0xb8/0x174 [ 409.219283][ T4286] do_el0_svc+0x3c/0xec [ 409.220215][ T4286] el0_svc+0x34/0x110 [ 409.221076][ T4286] el0t_64_sync_handler+0x84/0xf0 [ 409.222096][ T4286] el0t_64_sync+0x18c/0x190 [ 409.354740][ T4286] block nbd0: shutting down sockets [ 409.464023][ T4288] FAULT_INJECTION: forcing a failure. [ 409.464023][ T4288] name failslab, interval 1, probability 0, space 0, times 0 [ 409.466673][ T4288] CPU: 0 PID: 4288 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 409.468573][ T4288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.470513][ T4288] Call trace: [ 409.471223][ T4288] dump_backtrace+0x1c8/0x1f4 [ 409.472226][ T4288] show_stack+0x2c/0x3c [ 409.473096][ T4288] dump_stack_lvl+0xc0/0x104 [ 409.474014][ T4288] dump_stack+0x1c/0x50 [ 409.474853][ T4288] should_fail_ex+0x1bc/0x1e0 [ 409.476032][ T4288] __should_failslab+0x64/0x78 [ 409.477012][ T4288] should_failslab+0x10/0x28 [ 409.478053][ T4288] __kmem_cache_alloc_node+0x6c/0x348 [ 409.479140][ T4288] __kmalloc+0x98/0xd8 [ 409.480105][ T4288] tomoyo_supervisor+0x700/0x888 [ 409.481131][ T4288] tomoyo_path_number_perm+0x200/0x2a8 [ 409.482238][ T4288] tomoyo_file_ioctl+0x2c/0x3c [ 409.483277][ T4288] security_file_ioctl+0x4c/0x8c [ 409.484320][ T4288] __arm64_sys_ioctl+0x5c/0x148 [ 409.485262][ T4288] invoke_syscall+0x64/0x174 [ 409.486199][ T4288] el0_svc_common+0xb8/0x174 [ 409.487176][ T4288] do_el0_svc+0x3c/0xec [ 409.488155][ T4288] el0_svc+0x34/0x110 [ 409.489020][ T4288] el0t_64_sync_handler+0x84/0xf0 [ 409.490053][ T4288] el0t_64_sync+0x18c/0x190 [ 409.494743][ T4289] block nbd0: Device being setup by another task [ 409.622894][ T4288] block nbd0: shutting down sockets [ 409.732020][ T4291] FAULT_INJECTION: forcing a failure. [ 409.732020][ T4291] name failslab, interval 1, probability 0, space 0, times 0 [ 409.734762][ T4291] CPU: 1 PID: 4291 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 409.736711][ T4291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.738764][ T4291] Call trace: [ 409.739471][ T4291] dump_backtrace+0x1c8/0x1f4 [ 409.740540][ T4291] show_stack+0x2c/0x3c [ 409.741442][ T4291] dump_stack_lvl+0xc0/0x104 [ 409.742428][ T4291] dump_stack+0x1c/0x50 [ 409.743305][ T4291] should_fail_ex+0x1bc/0x1e0 [ 409.744347][ T4291] __should_failslab+0x64/0x78 [ 409.745478][ T4291] should_failslab+0x10/0x28 [ 409.746534][ T4291] __kmem_cache_alloc_node+0x6c/0x348 [ 409.747679][ T4291] __kmalloc+0x98/0xd8 [ 409.748583][ T4291] tomoyo_supervisor+0x700/0x888 [ 409.749649][ T4291] tomoyo_path_number_perm+0x200/0x2a8 [ 409.750878][ T4291] tomoyo_file_ioctl+0x2c/0x3c [ 409.751990][ T4291] security_file_ioctl+0x4c/0x8c [ 409.753071][ T4291] __arm64_sys_ioctl+0x5c/0x148 [ 409.754173][ T4291] invoke_syscall+0x64/0x174 [ 409.755120][ T4291] el0_svc_common+0xb8/0x174 [ 409.756232][ T4291] do_el0_svc+0x3c/0xec [ 409.757072][ T4291] el0_svc+0x34/0x110 [ 409.757906][ T4291] el0t_64_sync_handler+0x84/0xf0 [ 409.759066][ T4291] el0t_64_sync+0x18c/0x190 [ 409.764763][ T4292] block nbd0: Device being setup by another task [ 409.891475][ T4291] block nbd0: shutting down sockets [ 409.985112][ T4294] FAULT_INJECTION: forcing a failure. [ 409.985112][ T4294] name failslab, interval 1, probability 0, space 0, times 0 [ 409.987795][ T4294] CPU: 1 PID: 4294 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 409.989566][ T4294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.991574][ T4294] Call trace: [ 409.992218][ T4294] dump_backtrace+0x1c8/0x1f4 [ 409.993246][ T4294] show_stack+0x2c/0x3c [ 409.994114][ T4294] dump_stack_lvl+0xc0/0x104 [ 409.995141][ T4294] dump_stack+0x1c/0x50 [ 409.996067][ T4294] should_fail_ex+0x1bc/0x1e0 [ 409.997007][ T4294] __should_failslab+0x64/0x78 [ 409.998121][ T4294] should_failslab+0x10/0x28 [ 409.999155][ T4294] __kmem_cache_alloc_node+0x6c/0x348 [ 410.000416][ T4294] __kmalloc+0x98/0xd8 [ 410.001291][ T4294] tomoyo_supervisor+0x700/0x888 [ 410.002434][ T4294] tomoyo_path_number_perm+0x200/0x2a8 [ 410.003666][ T4294] tomoyo_file_ioctl+0x2c/0x3c [ 410.004728][ T4294] security_file_ioctl+0x4c/0x8c [ 410.005875][ T4294] __arm64_sys_ioctl+0x5c/0x148 [ 410.007078][ T4294] invoke_syscall+0x64/0x174 [ 410.008092][ T4294] el0_svc_common+0xb8/0x174 [ 410.009164][ T4294] do_el0_svc+0x3c/0xec [ 410.010072][ T4294] el0_svc+0x34/0x110 [ 410.010915][ T4294] el0t_64_sync_handler+0x84/0xf0 [ 410.011845][ T4294] el0t_64_sync+0x18c/0x190 [ 410.144000][ T4294] block nbd0: shutting down sockets [ 410.254325][ T4298] FAULT_INJECTION: forcing a failure. [ 410.254325][ T4298] name failslab, interval 1, probability 0, space 0, times 0 [ 410.257086][ T4298] CPU: 1 PID: 4298 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 410.258984][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.261189][ T4298] Call trace: [ 410.261837][ T4298] dump_backtrace+0x1c8/0x1f4 [ 410.262891][ T4298] show_stack+0x2c/0x3c [ 410.263811][ T4298] dump_stack_lvl+0xc0/0x104 [ 410.264780][ T4298] dump_stack+0x1c/0x50 [ 410.265772][ T4298] should_fail_ex+0x1bc/0x1e0 [ 410.266730][ T4298] __should_failslab+0x64/0x78 [ 410.267695][ T4298] should_failslab+0x10/0x28 [ 410.268787][ T4298] __kmem_cache_alloc_node+0x6c/0x348 [ 410.269929][ T4298] __kmalloc+0x98/0xd8 [ 410.270753][ T4298] tomoyo_supervisor+0x700/0x888 [ 410.271759][ T4298] tomoyo_path_number_perm+0x200/0x2a8 [ 410.272931][ T4298] tomoyo_file_ioctl+0x2c/0x3c [ 410.273948][ T4298] security_file_ioctl+0x4c/0x8c [ 410.274971][ T4298] __arm64_sys_ioctl+0x5c/0x148 [ 410.275976][ T4298] invoke_syscall+0x64/0x174 [ 410.277096][ T4298] el0_svc_common+0xb8/0x174 [ 410.278136][ T4298] do_el0_svc+0x3c/0xec [ 410.278982][ T4298] el0_svc+0x34/0x110 [ 410.279879][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 410.280914][ T4298] el0t_64_sync+0x18c/0x190 [ 410.324765][ T4297] block nbd0: Device being setup by another task [ 410.413885][ T4298] block nbd0: shutting down sockets [ 410.485104][ T4300] FAULT_INJECTION: forcing a failure. [ 410.485104][ T4300] name failslab, interval 1, probability 0, space 0, times 0 [ 410.487720][ T4300] CPU: 0 PID: 4300 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 410.489616][ T4300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.491715][ T4300] Call trace: [ 410.492439][ T4300] dump_backtrace+0x1c8/0x1f4 [ 410.493364][ T4300] show_stack+0x2c/0x3c [ 410.494189][ T4300] dump_stack_lvl+0xc0/0x104 [ 410.495126][ T4300] dump_stack+0x1c/0x50 [ 410.496041][ T4300] should_fail_ex+0x1bc/0x1e0 [ 410.497172][ T4300] __should_failslab+0x64/0x78 [ 410.498067][ T4300] should_failslab+0x10/0x28 [ 410.499033][ T4300] __kmem_cache_alloc_node+0x6c/0x348 [ 410.500221][ T4300] __kmalloc+0x98/0xd8 [ 410.501085][ T4300] tomoyo_supervisor+0x700/0x888 [ 410.502080][ T4300] tomoyo_path_number_perm+0x200/0x2a8 [ 410.503184][ T4300] tomoyo_file_ioctl+0x2c/0x3c [ 410.504189][ T4300] security_file_ioctl+0x4c/0x8c [ 410.505174][ T4300] __arm64_sys_ioctl+0x5c/0x148 [ 410.506162][ T4300] invoke_syscall+0x64/0x174 [ 410.507102][ T4300] el0_svc_common+0xb8/0x174 [ 410.508088][ T4300] do_el0_svc+0x3c/0xec [ 410.509084][ T4300] el0_svc+0x34/0x110 [ 410.509847][ T4300] el0t_64_sync_handler+0x84/0xf0 [ 410.510796][ T4300] el0t_64_sync+0x18c/0x190 [ 410.643713][ T4300] block nbd0: shutting down sockets [ 410.725113][ T4302] FAULT_INJECTION: forcing a failure. [ 410.725113][ T4302] name failslab, interval 1, probability 0, space 0, times 0 [ 410.727722][ T4302] CPU: 0 PID: 4302 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 410.729465][ T4302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.731494][ T4302] Call trace: [ 410.732098][ T4302] dump_backtrace+0x1c8/0x1f4 [ 410.733069][ T4302] show_stack+0x2c/0x3c [ 410.733945][ T4302] dump_stack_lvl+0xc0/0x104 [ 410.734904][ T4302] dump_stack+0x1c/0x50 [ 410.735788][ T4302] should_fail_ex+0x1bc/0x1e0 [ 410.736823][ T4302] __should_failslab+0x64/0x78 [ 410.737814][ T4302] should_failslab+0x10/0x28 [ 410.738761][ T4302] __kmem_cache_alloc_node+0x6c/0x348 [ 410.739900][ T4302] __kmalloc+0x98/0xd8 [ 410.740768][ T4302] tomoyo_supervisor+0x700/0x888 [ 410.741755][ T4302] tomoyo_path_number_perm+0x200/0x2a8 [ 410.743042][ T4302] tomoyo_file_ioctl+0x2c/0x3c [ 410.744047][ T4302] security_file_ioctl+0x4c/0x8c [ 410.745099][ T4302] __arm64_sys_ioctl+0x5c/0x148 [ 410.746034][ T4302] invoke_syscall+0x64/0x174 [ 410.747079][ T4302] el0_svc_common+0xb8/0x174 [ 410.748055][ T4302] do_el0_svc+0x3c/0xec [ 410.748888][ T4302] el0_svc+0x34/0x110 [ 410.749839][ T4302] el0t_64_sync_handler+0x84/0xf0 [ 410.751178][ T4302] el0t_64_sync+0x18c/0x190 [ 410.884000][ T4302] block nbd0: shutting down sockets [ 410.965072][ T4304] FAULT_INJECTION: forcing a failure. [ 410.965072][ T4304] name failslab, interval 1, probability 0, space 0, times 0 [ 410.967744][ T4304] CPU: 0 PID: 4304 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 410.969418][ T4304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.971527][ T4304] Call trace: [ 410.972218][ T4304] dump_backtrace+0x1c8/0x1f4 [ 410.973166][ T4304] show_stack+0x2c/0x3c [ 410.974018][ T4304] dump_stack_lvl+0xc0/0x104 [ 410.974966][ T4304] dump_stack+0x1c/0x50 [ 410.975842][ T4304] should_fail_ex+0x1bc/0x1e0 [ 410.976817][ T4304] __should_failslab+0x64/0x78 [ 410.977882][ T4304] should_failslab+0x10/0x28 [ 410.978944][ T4304] __kmem_cache_alloc_node+0x6c/0x348 [ 410.980136][ T4304] __kmalloc+0x98/0xd8 [ 410.981094][ T4304] tomoyo_supervisor+0x700/0x888 [ 410.982193][ T4304] tomoyo_path_number_perm+0x200/0x2a8 [ 410.983387][ T4304] tomoyo_file_ioctl+0x2c/0x3c [ 410.984314][ T4304] security_file_ioctl+0x4c/0x8c [ 410.985437][ T4304] __arm64_sys_ioctl+0x5c/0x148 [ 410.986550][ T4304] invoke_syscall+0x64/0x174 [ 410.987675][ T4304] el0_svc_common+0xb8/0x174 [ 410.988612][ T4304] do_el0_svc+0x3c/0xec [ 410.989427][ T4304] el0_svc+0x34/0x110 [ 410.990296][ T4304] el0t_64_sync_handler+0x84/0xf0 [ 410.991401][ T4304] el0t_64_sync+0x18c/0x190 [ 411.124268][ T4304] block nbd0: shutting down sockets [ 411.234044][ T4306] FAULT_INJECTION: forcing a failure. [ 411.234044][ T4306] name failslab, interval 1, probability 0, space 0, times 0 [ 411.236704][ T4306] CPU: 1 PID: 4306 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 411.238437][ T4306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.240587][ T4306] Call trace: [ 411.241313][ T4306] dump_backtrace+0x1c8/0x1f4 [ 411.242460][ T4306] show_stack+0x2c/0x3c [ 411.243308][ T4306] dump_stack_lvl+0xc0/0x104 [ 411.244293][ T4306] dump_stack+0x1c/0x50 [ 411.244736][ T4307] block nbd0: Device being setup by another task [ 411.245209][ T4306] should_fail_ex+0x1bc/0x1e0 [ 411.247553][ T4306] __should_failslab+0x64/0x78 [ 411.248618][ T4306] should_failslab+0x10/0x28 [ 411.249564][ T4306] __kmem_cache_alloc_node+0x6c/0x348 [ 411.250759][ T4306] __kmalloc+0x98/0xd8 [ 411.251741][ T4306] tomoyo_supervisor+0x700/0x888 [ 411.252878][ T4306] tomoyo_path_number_perm+0x200/0x2a8 [ 411.253999][ T4306] tomoyo_file_ioctl+0x2c/0x3c [ 411.254949][ T4306] security_file_ioctl+0x4c/0x8c [ 411.256009][ T4306] __arm64_sys_ioctl+0x5c/0x148 [ 411.257012][ T4306] invoke_syscall+0x64/0x174 [ 411.257999][ T4306] el0_svc_common+0xb8/0x174 [ 411.258912][ T4306] do_el0_svc+0x3c/0xec [ 411.259760][ T4306] el0_svc+0x34/0x110 [ 411.260619][ T4306] el0t_64_sync_handler+0x84/0xf0 [ 411.261697][ T4306] el0t_64_sync+0x18c/0x190 [ 411.392255][ T4306] block nbd0: shutting down sockets [ 411.502084][ T4309] FAULT_INJECTION: forcing a failure. [ 411.502084][ T4309] name failslab, interval 1, probability 0, space 0, times 0 [ 411.504620][ T4309] CPU: 1 PID: 4309 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 411.504734][ T4310] block nbd0: Device being setup by another task [ 411.506586][ T4309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.506593][ T4309] Call trace: [ 411.506595][ T4309] dump_backtrace+0x1c8/0x1f4 [ 411.511903][ T4309] show_stack+0x2c/0x3c [ 411.512844][ T4309] dump_stack_lvl+0xc0/0x104 [ 411.513953][ T4309] dump_stack+0x1c/0x50 [ 411.514870][ T4309] should_fail_ex+0x1bc/0x1e0 [ 411.515902][ T4309] __should_failslab+0x64/0x78 [ 411.516882][ T4309] should_failslab+0x10/0x28 [ 411.517965][ T4309] __kmem_cache_alloc_node+0x6c/0x348 [ 411.519087][ T4309] __kmalloc+0x98/0xd8 [ 411.519976][ T4309] tomoyo_supervisor+0x700/0x888 [ 411.521130][ T4309] tomoyo_path_number_perm+0x200/0x2a8 [ 411.522376][ T4309] tomoyo_file_ioctl+0x2c/0x3c [ 411.523344][ T4309] security_file_ioctl+0x4c/0x8c [ 411.524460][ T4309] __arm64_sys_ioctl+0x5c/0x148 [ 411.525514][ T4309] invoke_syscall+0x64/0x174 [ 411.526514][ T4309] el0_svc_common+0xb8/0x174 [ 411.527441][ T4309] do_el0_svc+0x3c/0xec [ 411.528292][ T4309] el0_svc+0x34/0x110 [ 411.529083][ T4309] el0t_64_sync_handler+0x84/0xf0 [ 411.530156][ T4309] el0t_64_sync+0x18c/0x190 [ 411.660047][ T4309] block nbd0: shutting down sockets [ 411.755090][ T4312] FAULT_INJECTION: forcing a failure. [ 411.755090][ T4312] name failslab, interval 1, probability 0, space 0, times 0 [ 411.757806][ T4312] CPU: 1 PID: 4312 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 411.759730][ T4312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.761795][ T4312] Call trace: [ 411.762454][ T4312] dump_backtrace+0x1c8/0x1f4 [ 411.763479][ T4312] show_stack+0x2c/0x3c [ 411.764485][ T4312] dump_stack_lvl+0xc0/0x104 [ 411.765394][ T4312] dump_stack+0x1c/0x50 [ 411.766272][ T4312] should_fail_ex+0x1bc/0x1e0 [ 411.767338][ T4312] __should_failslab+0x64/0x78 [ 411.768277][ T4312] should_failslab+0x10/0x28 [ 411.769304][ T4312] __kmem_cache_alloc_node+0x6c/0x348 [ 411.770431][ T4312] __kmalloc+0x98/0xd8 [ 411.771266][ T4312] tomoyo_supervisor+0x700/0x888 [ 411.772314][ T4312] tomoyo_path_number_perm+0x200/0x2a8 [ 411.773483][ T4312] tomoyo_file_ioctl+0x2c/0x3c [ 411.774541][ T4312] security_file_ioctl+0x4c/0x8c [ 411.775683][ T4312] __arm64_sys_ioctl+0x5c/0x148 [ 411.776741][ T4312] invoke_syscall+0x64/0x174 [ 411.777806][ T4312] el0_svc_common+0xb8/0x174 [ 411.778821][ T4312] do_el0_svc+0x3c/0xec [ 411.779654][ T4312] el0_svc+0x34/0x110 [ 411.780584][ T4312] el0t_64_sync_handler+0x84/0xf0 [ 411.781633][ T4312] el0t_64_sync+0x18c/0x190 [ 411.913673][ T4312] block nbd0: shutting down sockets [ 411.995105][ T4314] FAULT_INJECTION: forcing a failure. [ 411.995105][ T4314] name failslab, interval 1, probability 0, space 0, times 0 [ 411.997848][ T4314] CPU: 1 PID: 4314 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 411.999549][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.001694][ T4314] Call trace: [ 412.002329][ T4314] dump_backtrace+0x1c8/0x1f4 [ 412.003347][ T4314] show_stack+0x2c/0x3c [ 412.004207][ T4314] dump_stack_lvl+0xc0/0x104 [ 412.005199][ T4314] dump_stack+0x1c/0x50 [ 412.006152][ T4314] should_fail_ex+0x1bc/0x1e0 [ 412.007005][ T4314] __should_failslab+0x64/0x78 [ 412.008134][ T4314] should_failslab+0x10/0x28 [ 412.009111][ T4314] __kmem_cache_alloc_node+0x6c/0x348 [ 412.010318][ T4314] __kmalloc+0x98/0xd8 [ 412.011171][ T4314] tomoyo_supervisor+0x700/0x888 [ 412.012140][ T4314] tomoyo_path_number_perm+0x200/0x2a8 [ 412.013265][ T4314] tomoyo_file_ioctl+0x2c/0x3c [ 412.014367][ T4314] security_file_ioctl+0x4c/0x8c [ 412.015386][ T4314] __arm64_sys_ioctl+0x5c/0x148 [ 412.016365][ T4314] invoke_syscall+0x64/0x174 [ 412.017431][ T4314] el0_svc_common+0xb8/0x174 [ 412.018492][ T4314] do_el0_svc+0x3c/0xec [ 412.019456][ T4314] el0_svc+0x34/0x110 [ 412.020340][ T4314] el0t_64_sync_handler+0x84/0xf0 [ 412.021532][ T4314] el0t_64_sync+0x18c/0x190 [ 412.154161][ T4314] block nbd0: shutting down sockets [ 412.235096][ T4316] FAULT_INJECTION: forcing a failure. [ 412.235096][ T4316] name failslab, interval 1, probability 0, space 0, times 0 [ 412.237817][ T4316] CPU: 1 PID: 4316 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 412.239589][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.241659][ T4316] Call trace: [ 412.242343][ T4316] dump_backtrace+0x1c8/0x1f4 [ 412.243247][ T4316] show_stack+0x2c/0x3c [ 412.244162][ T4316] dump_stack_lvl+0xc0/0x104 [ 412.245106][ T4316] dump_stack+0x1c/0x50 [ 412.246000][ T4316] should_fail_ex+0x1bc/0x1e0 [ 412.247116][ T4316] __should_failslab+0x64/0x78 [ 412.248121][ T4316] should_failslab+0x10/0x28 [ 412.249114][ T4316] __kmem_cache_alloc_node+0x6c/0x348 [ 412.250240][ T4316] __kmalloc+0x98/0xd8 [ 412.250999][ T4316] tomoyo_supervisor+0x700/0x888 [ 412.251994][ T4316] tomoyo_path_number_perm+0x200/0x2a8 [ 412.253178][ T4316] tomoyo_file_ioctl+0x2c/0x3c [ 412.254304][ T4316] security_file_ioctl+0x4c/0x8c [ 412.255359][ T4316] __arm64_sys_ioctl+0x5c/0x148 [ 412.256339][ T4316] invoke_syscall+0x64/0x174 [ 412.257361][ T4316] el0_svc_common+0xb8/0x174 [ 412.258417][ T4316] do_el0_svc+0x3c/0xec [ 412.259249][ T4316] el0_svc+0x34/0x110 [ 412.260054][ T4316] el0t_64_sync_handler+0x84/0xf0 [ 412.261165][ T4316] el0t_64_sync+0x18c/0x190 [ 412.394287][ T4316] block nbd0: shutting down sockets [ 412.475119][ T4318] FAULT_INJECTION: forcing a failure. [ 412.475119][ T4318] name failslab, interval 1, probability 0, space 0, times 0 [ 412.477753][ T4318] CPU: 1 PID: 4318 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 412.479458][ T4318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.481663][ T4318] Call trace: [ 412.482348][ T4318] dump_backtrace+0x1c8/0x1f4 [ 412.483428][ T4318] show_stack+0x2c/0x3c [ 412.484309][ T4318] dump_stack_lvl+0xc0/0x104 [ 412.485444][ T4318] dump_stack+0x1c/0x50 [ 412.486432][ T4318] should_fail_ex+0x1bc/0x1e0 [ 412.487584][ T4318] __should_failslab+0x64/0x78 [ 412.488568][ T4318] should_failslab+0x10/0x28 [ 412.489491][ T4318] __kmem_cache_alloc_node+0x6c/0x348 [ 412.490617][ T4318] __kmalloc+0x98/0xd8 [ 412.491427][ T4318] tomoyo_supervisor+0x700/0x888 [ 412.492550][ T4318] tomoyo_path_number_perm+0x200/0x2a8 [ 412.493682][ T4318] tomoyo_file_ioctl+0x2c/0x3c [ 412.494678][ T4318] security_file_ioctl+0x4c/0x8c [ 412.495711][ T4318] __arm64_sys_ioctl+0x5c/0x148 [ 412.496675][ T4318] invoke_syscall+0x64/0x174 [ 412.497654][ T4318] el0_svc_common+0xb8/0x174 [ 412.498543][ T4318] do_el0_svc+0x3c/0xec [ 412.499407][ T4318] el0_svc+0x34/0x110 [ 412.500229][ T4318] el0t_64_sync_handler+0x84/0xf0 [ 412.501359][ T4318] el0t_64_sync+0x18c/0x190 [ 412.633540][ T4318] block nbd0: shutting down sockets [ 412.715099][ T4320] FAULT_INJECTION: forcing a failure. [ 412.715099][ T4320] name failslab, interval 1, probability 0, space 0, times 0 [ 412.717545][ T4320] CPU: 1 PID: 4320 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 412.719434][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.721608][ T4320] Call trace: [ 412.722640][ T4320] dump_backtrace+0x1c8/0x1f4 [ 412.723613][ T4320] show_stack+0x2c/0x3c [ 412.724476][ T4320] dump_stack_lvl+0xc0/0x104 [ 412.725519][ T4320] dump_stack+0x1c/0x50 [ 412.726479][ T4320] should_fail_ex+0x1bc/0x1e0 [ 412.727456][ T4320] __should_failslab+0x64/0x78 [ 412.728460][ T4320] should_failslab+0x10/0x28 [ 412.729445][ T4320] __kmem_cache_alloc_node+0x6c/0x348 [ 412.730597][ T4320] __kmalloc+0x98/0xd8 [ 412.731477][ T4320] tomoyo_supervisor+0x700/0x888 [ 412.732558][ T4320] tomoyo_path_number_perm+0x200/0x2a8 [ 412.733815][ T4320] tomoyo_file_ioctl+0x2c/0x3c [ 412.734779][ T4320] security_file_ioctl+0x4c/0x8c [ 412.735839][ T4320] __arm64_sys_ioctl+0x5c/0x148 [ 412.736874][ T4320] invoke_syscall+0x64/0x174 [ 412.737922][ T4320] el0_svc_common+0xb8/0x174 [ 412.738805][ T4320] do_el0_svc+0x3c/0xec [ 412.739771][ T4320] el0_svc+0x34/0x110 [ 412.740717][ T4320] el0t_64_sync_handler+0x84/0xf0 [ 412.741833][ T4320] el0t_64_sync+0x18c/0x190 [ 412.873847][ T4320] block nbd0: shutting down sockets [ 412.955120][ T4322] FAULT_INJECTION: forcing a failure. [ 412.955120][ T4322] name failslab, interval 1, probability 0, space 0, times 0 [ 412.957688][ T4322] CPU: 1 PID: 4322 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 412.959441][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.961789][ T4322] Call trace: [ 412.962460][ T4322] dump_backtrace+0x1c8/0x1f4 [ 412.963369][ T4322] show_stack+0x2c/0x3c [ 412.964164][ T4322] dump_stack_lvl+0xc0/0x104 [ 412.965109][ T4322] dump_stack+0x1c/0x50 [ 412.966072][ T4322] should_fail_ex+0x1bc/0x1e0 [ 412.967119][ T4322] __should_failslab+0x64/0x78 [ 412.968194][ T4322] should_failslab+0x10/0x28 [ 412.969278][ T4322] __kmem_cache_alloc_node+0x6c/0x348 [ 412.970416][ T4322] __kmalloc+0x98/0xd8 [ 412.971181][ T4322] tomoyo_supervisor+0x700/0x888 [ 412.972207][ T4322] tomoyo_path_number_perm+0x200/0x2a8 [ 412.973318][ T4322] tomoyo_file_ioctl+0x2c/0x3c [ 412.974367][ T4322] security_file_ioctl+0x4c/0x8c [ 412.975438][ T4322] __arm64_sys_ioctl+0x5c/0x148 [ 412.976380][ T4322] invoke_syscall+0x64/0x174 [ 412.977389][ T4322] el0_svc_common+0xb8/0x174 [ 412.978439][ T4322] do_el0_svc+0x3c/0xec [ 412.979380][ T4322] el0_svc+0x34/0x110 [ 412.980337][ T4322] el0t_64_sync_handler+0x84/0xf0 [ 412.981360][ T4322] el0t_64_sync+0x18c/0x190 [ 413.113951][ T4322] block nbd0: shutting down sockets [ 413.195119][ T4324] FAULT_INJECTION: forcing a failure. [ 413.195119][ T4324] name failslab, interval 1, probability 0, space 0, times 0 [ 413.197639][ T4324] CPU: 1 PID: 4324 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 413.199397][ T4324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.201422][ T4324] Call trace: [ 413.202142][ T4324] dump_backtrace+0x1c8/0x1f4 [ 413.203134][ T4324] show_stack+0x2c/0x3c [ 413.203954][ T4324] dump_stack_lvl+0xc0/0x104 [ 413.204857][ T4324] dump_stack+0x1c/0x50 [ 413.205828][ T4324] should_fail_ex+0x1bc/0x1e0 [ 413.206829][ T4324] __should_failslab+0x64/0x78 [ 413.207754][ T4324] should_failslab+0x10/0x28 [ 413.208674][ T4324] __kmem_cache_alloc_node+0x6c/0x348 [ 413.209931][ T4324] __kmalloc+0x98/0xd8 [ 413.210807][ T4324] tomoyo_supervisor+0x700/0x888 [ 413.211821][ T4324] tomoyo_path_number_perm+0x200/0x2a8 [ 413.212922][ T4324] tomoyo_file_ioctl+0x2c/0x3c [ 413.214096][ T4324] security_file_ioctl+0x4c/0x8c [ 413.215234][ T4324] __arm64_sys_ioctl+0x5c/0x148 [ 413.216389][ T4324] invoke_syscall+0x64/0x174 [ 413.217306][ T4324] el0_svc_common+0xb8/0x174 [ 413.218195][ T4324] do_el0_svc+0x3c/0xec [ 413.219060][ T4324] el0_svc+0x34/0x110 [ 413.219902][ T4324] el0t_64_sync_handler+0x84/0xf0 [ 413.220994][ T4324] el0t_64_sync+0x18c/0x190 [ 413.353854][ T4324] block nbd0: shutting down sockets [ 413.435084][ T4326] FAULT_INJECTION: forcing a failure. [ 413.435084][ T4326] name failslab, interval 1, probability 0, space 0, times 0 [ 413.437845][ T4326] CPU: 1 PID: 4326 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 413.439537][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.441503][ T4326] Call trace: [ 413.442233][ T4326] dump_backtrace+0x1c8/0x1f4 [ 413.443265][ T4326] show_stack+0x2c/0x3c [ 413.444157][ T4326] dump_stack_lvl+0xc0/0x104 [ 413.445179][ T4326] dump_stack+0x1c/0x50 [ 413.446202][ T4326] should_fail_ex+0x1bc/0x1e0 [ 413.447142][ T4326] __should_failslab+0x64/0x78 [ 413.448153][ T4326] should_failslab+0x10/0x28 [ 413.449108][ T4326] slab_pre_alloc_hook+0x54/0x1f4 [ 413.450200][ T4326] kmem_cache_alloc_lru+0x60/0x2ac [ 413.451266][ T4326] alloc_inode+0x7c/0x104 [ 413.452196][ T4326] new_inode+0x2c/0xc0 [ 413.453051][ T4326] debugfs_create_dir+0x98/0x1e0 [ 413.454136][ T4326] nbd_start_device+0x1b4/0x510 [ 413.455173][ T4326] nbd_ioctl+0x228/0x66c [ 413.456140][ T4326] blkdev_ioctl+0x218/0x664 [ 413.457174][ T4326] __arm64_sys_ioctl+0xd0/0x148 [ 413.458198][ T4326] invoke_syscall+0x64/0x174 [ 413.459241][ T4326] el0_svc_common+0xb8/0x174 [ 413.460167][ T4326] do_el0_svc+0x3c/0xec [ 413.461059][ T4326] el0_svc+0x34/0x110 [ 413.461842][ T4326] el0t_64_sync_handler+0x84/0xf0 [ 413.462964][ T4326] el0t_64_sync+0x18c/0x190 [ 413.463978][ T4326] debugfs: out of free dentries, can not create directory 'nbd0' [ 413.465595][ T4326] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.593961][ T4326] block nbd0: shutting down sockets [ 413.675080][ T4328] FAULT_INJECTION: forcing a failure. [ 413.675080][ T4328] name failslab, interval 1, probability 0, space 0, times 0 [ 413.677745][ T4328] CPU: 1 PID: 4328 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 413.679607][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.681578][ T4328] Call trace: [ 413.682207][ T4328] dump_backtrace+0x1c8/0x1f4 [ 413.683185][ T4328] show_stack+0x2c/0x3c [ 413.684002][ T4328] dump_stack_lvl+0xc0/0x104 [ 413.684897][ T4328] dump_stack+0x1c/0x50 [ 413.685711][ T4328] should_fail_ex+0x1bc/0x1e0 [ 413.686701][ T4328] __should_failslab+0x64/0x78 [ 413.687648][ T4328] should_failslab+0x10/0x28 [ 413.688639][ T4328] slab_pre_alloc_hook+0x54/0x1f4 [ 413.689765][ T4328] kmem_cache_alloc_lru+0x60/0x2ac [ 413.690767][ T4328] __d_alloc+0x3c/0x290 [ 413.691614][ T4328] d_alloc_parallel+0x58/0x914 [ 413.692670][ T4328] __lookup_slow+0x8c/0x204 [ 413.693663][ T4328] lookup_one_len+0xd4/0x188 [ 413.694692][ T4328] start_creating+0x124/0x1f4 [ 413.695589][ T4328] debugfs_create_dir+0x2c/0x1e0 [ 413.696616][ T4328] nbd_start_device+0x1b4/0x510 [ 413.697541][ T4328] nbd_ioctl+0x228/0x66c [ 413.698358][ T4328] blkdev_ioctl+0x218/0x664 [ 413.699316][ T4328] __arm64_sys_ioctl+0xd0/0x148 [ 413.700289][ T4328] invoke_syscall+0x64/0x174 [ 413.701258][ T4328] el0_svc_common+0xb8/0x174 [ 413.702217][ T4328] do_el0_svc+0x3c/0xec [ 413.703110][ T4328] el0_svc+0x34/0x110 [ 413.703973][ T4328] el0t_64_sync_handler+0x84/0xf0 [ 413.705042][ T4328] el0t_64_sync+0x18c/0x190 [ 413.706054][ T4328] block nbd0: Failed to create debugfs dir for 'nbd0' [ 413.833848][ T4328] block nbd0: shutting down sockets [ 413.915022][ T4330] FAULT_INJECTION: forcing a failure. [ 413.915022][ T4330] name failslab, interval 1, probability 0, space 0, times 0 [ 413.917785][ T4330] CPU: 1 PID: 4330 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 413.919524][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.921567][ T4330] Call trace: [ 413.922211][ T4330] dump_backtrace+0x1c8/0x1f4 [ 413.923136][ T4330] show_stack+0x2c/0x3c [ 413.923992][ T4330] dump_stack_lvl+0xc0/0x104 [ 413.924858][ T4330] dump_stack+0x1c/0x50 [ 413.925882][ T4330] should_fail_ex+0x1bc/0x1e0 [ 413.926970][ T4330] __should_failslab+0x64/0x78 [ 413.928125][ T4330] should_failslab+0x10/0x28 [ 413.929039][ T4330] slab_pre_alloc_hook+0x54/0x1f4 [ 413.930123][ T4330] kmem_cache_alloc_lru+0x60/0x2ac [ 413.931239][ T4330] __d_alloc+0x3c/0x290 [ 413.932145][ T4330] d_alloc_parallel+0x58/0x914 [ 413.933119][ T4330] __lookup_slow+0x8c/0x204 [ 413.934180][ T4330] lookup_one_len+0xd4/0x188 [ 413.935128][ T4330] start_creating+0x124/0x1f4 [ 413.936141][ T4330] debugfs_create_dir+0x2c/0x1e0 [ 413.937239][ T4330] nbd_start_device+0x1b4/0x510 [ 413.938203][ T4330] nbd_ioctl+0x228/0x66c [ 413.939093][ T4330] blkdev_ioctl+0x218/0x664 [ 413.940030][ T4330] __arm64_sys_ioctl+0xd0/0x148 [ 413.941034][ T4330] invoke_syscall+0x64/0x174 [ 413.941966][ T4330] el0_svc_common+0xb8/0x174 [ 413.943075][ T4330] do_el0_svc+0x3c/0xec [ 413.943893][ T4330] el0_svc+0x34/0x110 [ 413.944892][ T4330] el0t_64_sync_handler+0x84/0xf0 [ 413.945912][ T4330] el0t_64_sync+0x18c/0x190 [ 413.946891][ T4330] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.073928][ T4330] block nbd0: shutting down sockets [ 414.154998][ T4332] FAULT_INJECTION: forcing a failure. [ 414.154998][ T4332] name failslab, interval 1, probability 0, space 0, times 0 [ 414.157720][ T4332] CPU: 1 PID: 4332 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 414.159382][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.161502][ T4332] Call trace: [ 414.162112][ T4332] dump_backtrace+0x1c8/0x1f4 [ 414.163024][ T4332] show_stack+0x2c/0x3c [ 414.163789][ T4332] dump_stack_lvl+0xc0/0x104 [ 414.164672][ T4332] dump_stack+0x1c/0x50 [ 414.165469][ T4332] should_fail_ex+0x1bc/0x1e0 [ 414.166407][ T4332] __should_failslab+0x64/0x78 [ 414.167332][ T4332] should_failslab+0x10/0x28 [ 414.168212][ T4332] slab_pre_alloc_hook+0x54/0x1f4 [ 414.169272][ T4332] kmem_cache_alloc_lru+0x60/0x2ac [ 414.170409][ T4332] __d_alloc+0x3c/0x290 [ 414.171284][ T4332] d_alloc_parallel+0x58/0x914 [ 414.172245][ T4332] __lookup_slow+0x8c/0x204 [ 414.173177][ T4332] lookup_one_len+0xd4/0x188 [ 414.174105][ T4332] start_creating+0x124/0x1f4 [ 414.175103][ T4332] debugfs_create_dir+0x2c/0x1e0 [ 414.176068][ T4332] nbd_start_device+0x1b4/0x510 [ 414.177031][ T4332] nbd_ioctl+0x228/0x66c [ 414.177891][ T4332] blkdev_ioctl+0x218/0x664 [ 414.178785][ T4332] __arm64_sys_ioctl+0xd0/0x148 [ 414.179741][ T4332] invoke_syscall+0x64/0x174 [ 414.180635][ T4332] el0_svc_common+0xb8/0x174 [ 414.181552][ T4332] do_el0_svc+0x3c/0xec [ 414.182378][ T4332] el0_svc+0x34/0x110 [ 414.183174][ T4332] el0t_64_sync_handler+0x84/0xf0 [ 414.184265][ T4332] el0t_64_sync+0x18c/0x190 [ 414.185244][ T4332] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.313057][ T4332] block nbd0: shutting down sockets [ 414.394971][ T4334] FAULT_INJECTION: forcing a failure. [ 414.394971][ T4334] name failslab, interval 1, probability 0, space 0, times 0 [ 414.397436][ T4334] CPU: 1 PID: 4334 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 414.399005][ T4334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.401033][ T4334] Call trace: [ 414.401720][ T4334] dump_backtrace+0x1c8/0x1f4 [ 414.402757][ T4334] show_stack+0x2c/0x3c [ 414.403664][ T4334] dump_stack_lvl+0xc0/0x104 [ 414.404608][ T4334] dump_stack+0x1c/0x50 [ 414.405517][ T4334] should_fail_ex+0x1bc/0x1e0 [ 414.406455][ T4334] __should_failslab+0x64/0x78 [ 414.407549][ T4334] should_failslab+0x10/0x28 [ 414.408662][ T4334] slab_pre_alloc_hook+0x54/0x1f4 [ 414.409710][ T4334] kmem_cache_alloc_lru+0x60/0x2ac [ 414.410783][ T4334] __d_alloc+0x3c/0x290 [ 414.411698][ T4334] d_alloc_parallel+0x58/0x914 [ 414.412711][ T4334] __lookup_slow+0x8c/0x204 [ 414.413647][ T4334] lookup_one_len+0xd4/0x188 [ 414.414643][ T4334] start_creating+0x124/0x1f4 [ 414.415622][ T4334] debugfs_create_dir+0x2c/0x1e0 [ 414.416595][ T4334] nbd_start_device+0x1b4/0x510 [ 414.417640][ T4334] nbd_ioctl+0x228/0x66c [ 414.418507][ T4334] blkdev_ioctl+0x218/0x664 [ 414.419540][ T4334] __arm64_sys_ioctl+0xd0/0x148 [ 414.420658][ T4334] invoke_syscall+0x64/0x174 [ 414.421723][ T4334] el0_svc_common+0xb8/0x174 [ 414.422748][ T4334] do_el0_svc+0x3c/0xec [ 414.423571][ T4334] el0_svc+0x34/0x110 [ 414.424417][ T4334] el0t_64_sync_handler+0x84/0xf0 [ 414.425528][ T4334] el0t_64_sync+0x18c/0x190 [ 414.426592][ T4334] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.553977][ T4334] block nbd0: shutting down sockets [ 414.624982][ T4336] FAULT_INJECTION: forcing a failure. [ 414.624982][ T4336] name failslab, interval 1, probability 0, space 0, times 0 [ 414.627689][ T4336] CPU: 1 PID: 4336 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 414.629440][ T4336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.631509][ T4336] Call trace: [ 414.632180][ T4336] dump_backtrace+0x1c8/0x1f4 [ 414.633151][ T4336] show_stack+0x2c/0x3c [ 414.634046][ T4336] dump_stack_lvl+0xc0/0x104 [ 414.635007][ T4336] dump_stack+0x1c/0x50 [ 414.635907][ T4336] should_fail_ex+0x1bc/0x1e0 [ 414.636881][ T4336] __should_failslab+0x64/0x78 [ 414.637882][ T4336] should_failslab+0x10/0x28 [ 414.638983][ T4336] slab_pre_alloc_hook+0x54/0x1f4 [ 414.640080][ T4336] kmem_cache_alloc_lru+0x60/0x2ac [ 414.641229][ T4336] __d_alloc+0x3c/0x290 [ 414.642246][ T4336] d_alloc_parallel+0x58/0x914 [ 414.643364][ T4336] __lookup_slow+0x8c/0x204 [ 414.644265][ T4336] lookup_one_len+0xd4/0x188 [ 414.645293][ T4336] start_creating+0x124/0x1f4 [ 414.646235][ T4336] debugfs_create_dir+0x2c/0x1e0 [ 414.647352][ T4336] nbd_start_device+0x1b4/0x510 [ 414.648440][ T4336] nbd_ioctl+0x228/0x66c [ 414.649333][ T4336] blkdev_ioctl+0x218/0x664 [ 414.650253][ T4336] __arm64_sys_ioctl+0xd0/0x148 [ 414.651446][ T4336] invoke_syscall+0x64/0x174 [ 414.652410][ T4336] el0_svc_common+0xb8/0x174 [ 414.653408][ T4336] do_el0_svc+0x3c/0xec [ 414.654315][ T4336] el0_svc+0x34/0x110 [ 414.655189][ T4336] el0t_64_sync_handler+0x84/0xf0 [ 414.656295][ T4336] el0t_64_sync+0x18c/0x190 [ 414.657319][ T4336] block nbd0: Failed to create debugfs dir for 'nbd0' [ 414.784058][ T4336] block nbd0: shutting down sockets [ 414.904767][ T4339] block nbd0: Device being setup by another task [ 414.937222][ T4338] FAULT_INJECTION: forcing a failure. [ 414.937222][ T4338] name failslab, interval 1, probability 0, space 0, times 0 [ 414.940074][ T4338] CPU: 1 PID: 4338 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 414.941738][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 414.943758][ T4338] Call trace: [ 414.944413][ T4338] dump_backtrace+0x1c8/0x1f4 [ 414.945507][ T4338] show_stack+0x2c/0x3c [ 414.946359][ T4338] dump_stack_lvl+0xc0/0x104 [ 414.947398][ T4338] dump_stack+0x1c/0x50 [ 414.948378][ T4338] should_fail_ex+0x1bc/0x1e0 [ 414.949314][ T4338] __should_failslab+0x64/0x78 [ 414.950339][ T4338] should_failslab+0x10/0x28 [ 414.951313][ T4338] __kmem_cache_alloc_node+0x6c/0x348 [ 414.952381][ T4338] __kmalloc_node_track_caller+0x84/0xc0 [ 414.953692][ T4338] kstrdup_const+0x90/0xdc [ 414.954601][ T4338] __kernfs_new_node+0x5c/0x2e8 [ 414.955786][ T4338] kernfs_create_dir_ns+0xac/0x188 [ 414.956834][ T4338] sysfs_create_dir_ns+0x8c/0x168 [ 414.957950][ T4338] kobject_add_internal+0x314/0x64c [ 414.959071][ T4338] kobject_add+0xb8/0x130 [ 414.960127][ T4338] blk_mq_register_hctx+0x54/0x184 [ 414.961229][ T4338] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 414.962405][ T4338] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 414.963584][ T4338] nbd_start_device+0xc4/0x510 [ 414.964548][ T4338] nbd_ioctl+0x228/0x66c [ 414.965460][ T4338] blkdev_ioctl+0x218/0x664 [ 414.966380][ T4338] __arm64_sys_ioctl+0xd0/0x148 [ 414.967418][ T4338] invoke_syscall+0x64/0x174 [ 414.968299][ T4338] el0_svc_common+0xb8/0x174 [ 414.969229][ T4338] do_el0_svc+0x3c/0xec [ 414.970124][ T4338] el0_svc+0x34/0x110 [ 414.971125][ T4338] el0t_64_sync_handler+0x84/0xf0 [ 414.972290][ T4338] el0t_64_sync+0x18c/0x190 [ 414.973308][ T4338] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 415.052833][ T4338] block nbd0: shutting down sockets [ 415.195988][ T4341] ------------[ cut here ]------------ [ 415.197071][ T4341] kernfs: can not remove 'nr_tags', no directory [ 415.198438][ T4341] WARNING: CPU: 0 PID: 4341 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.200600][ T4341] Modules linked in: [ 415.201347][ T4341] CPU: 0 PID: 4341 Comm: syz-executor383 Not tainted 6.1.120-syzkaller #0 [ 415.203186][ T4341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.205425][ T4341] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.207146][ T4341] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.208412][ T4341] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.209738][ T4341] sp : ffff80000df13ac0 [ 415.210596][ T4341] x29: ffff80000df13ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 415.212287][ T4341] x26: ffff0000c6713108 x25: ffff80000df13be8 x24: ffff0000cbc8dd00 [ 415.214096][ T4341] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 415.215753][ T4341] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.217422][ T4341] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 415.219053][ T4341] x14: 0000000000000000 x13: 205d313433345420 x12: ffff80000d1c5000 [ 415.220723][ T4341] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5825ef0695f38800 [ 415.222497][ T4341] x8 : 5825ef0695f38800 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 415.224142][ T4341] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.225872][ T4341] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.227561][ T4341] Call trace: [ 415.228272][ T4341] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.229461][ T4341] sysfs_remove_group+0x68/0x160 [ 415.230519][ T4341] sysfs_remove_groups+0x3c/0x78 [ 415.231540][ T4341] __kobject_del+0x34/0x134 [ 415.232439][ T4341] kobject_del+0x2c/0x4c [ 415.233352][ T4341] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.234617][ T4341] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.235832][ T4341] nbd_start_device+0xc4/0x510 [ 415.236927][ T4341] nbd_ioctl+0x228/0x66c [ 415.237891][ T4341] blkdev_ioctl+0x218/0x664 [ 415.238851][ T4341] __arm64_sys_ioctl+0xd0/0x148 [ 415.240039][ T4341] invoke_syscall+0x64/0x174 [ 415.241161][ T4341] el0_svc_common+0xb8/0x174 [ 415.242193][ T4341] do_el0_svc+0x3c/0xec [ 415.243082][ T4341] el0_svc+0x34/0x110 [ 415.243967][ T4341] el0t_64_sync_handler+0x84/0xf0 [ 415.245113][ T4341] el0t_64_sync+0x18c/0x190 [ 415.246045][ T4341] ---[ end trace 0000000000000000 ]--- [ 415.247261][ T4341] ------------[ cut here ]------------ [ 415.248442][ T4341] kernfs: can not remove 'nr_reserved_tags', no directory [ 415.249947][ T4341] WARNING: CPU: 0 PID: 4341 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.251922][ T4341] Modules linked in: [ 415.252684][ T4341] CPU: 0 PID: 4341 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 415.254736][ T4341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.256895][ T4341] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.258625][ T4341] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.259920][ T4341] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.261135][ T4341] sp : ffff80000df13ac0 [ 415.262071][ T4341] x29: ffff80000df13ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 415.263812][ T4341] x26: ffff0000c6713108 x25: ffff80000df13be8 x24: ffff0000cbc8dd00 [ 415.265682][ T4341] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 415.267316][ T4341] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.269019][ T4341] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 415.270777][ T4341] x14: 0000000000000000 x13: 205d313433345420 x12: ffff80000d1c5000 [ 415.272494][ T4341] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5825ef0695f38800 [ 415.274201][ T4341] x8 : 5825ef0695f38800 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 415.275888][ T4341] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 415.277383][ T4341] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 415.279204][ T4341] Call trace: [ 415.279841][ T4341] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.281106][ T4341] sysfs_remove_group+0x68/0x160 [ 415.282045][ T4341] sysfs_remove_groups+0x3c/0x78 [ 415.283103][ T4341] __kobject_del+0x34/0x134 [ 415.283953][ T4341] kobject_del+0x2c/0x4c [ 415.284970][ T4341] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.286199][ T4341] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.287451][ T4341] nbd_start_device+0xc4/0x510 [ 415.288464][ T4341] nbd_ioctl+0x228/0x66c [ 415.289612][ T4341] blkdev_ioctl+0x218/0x664 [ 415.290466][ T4341] __arm64_sys_ioctl+0xd0/0x148 [ 415.291561][ T4341] invoke_syscall+0x64/0x174 [ 415.292637][ T4341] el0_svc_common+0xb8/0x174 [ 415.293481][ T4341] do_el0_svc+0x3c/0xec [ 415.294388][ T4341] el0_svc+0x34/0x110 [ 415.295188][ T4341] el0t_64_sync_handler+0x84/0xf0 [ 415.296206][ T4341] el0t_64_sync+0x18c/0x190 [ 415.297198][ T4341] ---[ end trace 0000000000000000 ]--- [ 415.298328][ T4341] ------------[ cut here ]------------ [ 415.299394][ T4341] kernfs: can not remove 'cpu_list', no directory [ 415.300740][ T4341] WARNING: CPU: 0 PID: 4341 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 415.302711][ T4341] Modules linked in: [ 415.303481][ T4341] CPU: 0 PID: 4341 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 415.305617][ T4341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.307660][ T4341] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 415.309176][ T4341] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 415.310535][ T4341] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 415.311724][ T4341] sp : ffff80000df13ac0 [ 415.312523][ T4341] x29: ffff80000df13ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 415.314350][ T4341] x26: ffff0000c6713108 x25: ffff80000df13be8 x24: ffff0000cbc8dd00 [ 415.316096][ T4341] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 415.317777][ T4341] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 415.319385][ T4341] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 415.321202][ T4341] x14: 0000000000000000 x13: 205d313433345420 x12: ffff80000d1c5000 [ 415.322793][ T4341] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 5825ef0695f38800 [ 415.324511][ T4341] x8 : 5825ef0695f38800 x7 : 0000000000000000 x6 : ffff80000ae33bfc [ 415.326236][ T4341] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dee68 [ 415.327950][ T4341] x2 : ffff0001fe9dee68 x1 : ffff80000b9d9d89 x0 : 0000000000000001 [ 415.329646][ T4341] Call trace: [ 415.330371][ T4341] kernfs_remove_by_name_ns+0xb4/0x110 [ 415.331490][ T4341] sysfs_remove_group+0x68/0x160 [ 415.332443][ T4341] sysfs_remove_groups+0x3c/0x78 [ 415.333527][ T4341] __kobject_del+0x34/0x134 [ 415.334434][ T4341] kobject_del+0x2c/0x4c [ 415.335302][ T4341] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 415.336583][ T4341] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 415.337808][ T4341] nbd_start_device+0xc4/0x510 [ 415.338880][ T4341] nbd_ioctl+0x228/0x66c [ 415.339802][ T4341] blkdev_ioctl+0x218/0x664 [ 415.340784][ T4341] __arm64_sys_ioctl+0xd0/0x148 [ 415.341807][ T4341] invoke_syscall+0x64/0x174 [ 415.342812][ T4341] el0_svc_common+0xb8/0x174 [ 415.343782][ T4341] do_el0_svc+0x3c/0xec [ 415.344673][ T4341] el0_svc+0x34/0x110 [ 415.345594][ T4341] el0t_64_sync_handler+0x84/0xf0 [ 415.346778][ T4341] el0t_64_sync+0x18c/0x190 [ 415.347712][ T4341] ---[ end trace 0000000000000000 ]--- [ 415.357368][ T4341] block nbd0: shutting down sockets [ 415.445018][ T4343] FAULT_INJECTION: forcing a failure. [ 415.445018][ T4343] name failslab, interval 1, probability 0, space 0, times 0 [ 415.447845][ T4343] CPU: 1 PID: 4343 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 415.449913][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.451972][ T4343] Call trace: [ 415.452694][ T4343] dump_backtrace+0x1c8/0x1f4 [ 415.453620][ T4343] show_stack+0x2c/0x3c [ 415.454462][ T4343] dump_stack_lvl+0xc0/0x104 [ 415.455479][ T4343] dump_stack+0x1c/0x50 [ 415.456264][ T4343] should_fail_ex+0x1bc/0x1e0 [ 415.457233][ T4343] __should_failslab+0x64/0x78 [ 415.458229][ T4343] should_failslab+0x10/0x28 [ 415.459153][ T4343] slab_pre_alloc_hook+0x54/0x1f4 [ 415.460217][ T4343] kmem_cache_alloc_lru+0x60/0x2ac [ 415.461419][ T4343] alloc_inode+0x7c/0x104 [ 415.462460][ T4343] new_inode+0x2c/0xc0 [ 415.463332][ T4343] debugfs_create_dir+0x98/0x1e0 [ 415.464397][ T4343] nbd_start_device+0x1b4/0x510 [ 415.465458][ T4343] nbd_ioctl+0x228/0x66c [ 415.466351][ T4343] blkdev_ioctl+0x218/0x664 [ 415.467158][ T4343] __arm64_sys_ioctl+0xd0/0x148 [ 415.468189][ T4343] invoke_syscall+0x64/0x174 [ 415.469185][ T4343] el0_svc_common+0xb8/0x174 [ 415.470207][ T4343] do_el0_svc+0x3c/0xec [ 415.471119][ T4343] el0_svc+0x34/0x110 [ 415.471952][ T4343] el0t_64_sync_handler+0x84/0xf0 [ 415.473129][ T4343] el0t_64_sync+0x18c/0x190 [ 415.474153][ T4343] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.475695][ T4343] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.604190][ T4343] block nbd0: shutting down sockets [ 415.684994][ T4345] FAULT_INJECTION: forcing a failure. [ 415.684994][ T4345] name failslab, interval 1, probability 0, space 0, times 0 [ 415.687639][ T4345] CPU: 1 PID: 4345 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 415.689754][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.691833][ T4345] Call trace: [ 415.692532][ T4345] dump_backtrace+0x1c8/0x1f4 [ 415.693433][ T4345] show_stack+0x2c/0x3c [ 415.694323][ T4345] dump_stack_lvl+0xc0/0x104 [ 415.695308][ T4345] dump_stack+0x1c/0x50 [ 415.696266][ T4345] should_fail_ex+0x1bc/0x1e0 [ 415.697321][ T4345] __should_failslab+0x64/0x78 [ 415.698288][ T4345] should_failslab+0x10/0x28 [ 415.699286][ T4345] slab_pre_alloc_hook+0x54/0x1f4 [ 415.700382][ T4345] kmem_cache_alloc_lru+0x60/0x2ac [ 415.701487][ T4345] alloc_inode+0x7c/0x104 [ 415.702427][ T4345] new_inode+0x2c/0xc0 [ 415.703296][ T4345] debugfs_create_dir+0x98/0x1e0 [ 415.704342][ T4345] nbd_start_device+0x1b4/0x510 [ 415.705453][ T4345] nbd_ioctl+0x228/0x66c [ 415.706349][ T4345] blkdev_ioctl+0x218/0x664 [ 415.707306][ T4345] __arm64_sys_ioctl+0xd0/0x148 [ 415.708454][ T4345] invoke_syscall+0x64/0x174 [ 415.709429][ T4345] el0_svc_common+0xb8/0x174 [ 415.710365][ T4345] do_el0_svc+0x3c/0xec [ 415.711248][ T4345] el0_svc+0x34/0x110 [ 415.712023][ T4345] el0t_64_sync_handler+0x84/0xf0 [ 415.713109][ T4345] el0t_64_sync+0x18c/0x190 [ 415.714114][ T4345] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.715784][ T4345] block nbd0: Failed to create debugfs dir for 'nbd0' [ 415.844140][ T4345] block nbd0: shutting down sockets [ 415.954857][ T4348] FAULT_INJECTION: forcing a failure. [ 415.954857][ T4348] name failslab, interval 1, probability 0, space 0, times 0 [ 415.957798][ T4348] CPU: 0 PID: 4348 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 415.959844][ T4348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.962269][ T4348] Call trace: [ 415.962915][ T4348] dump_backtrace+0x1c8/0x1f4 [ 415.963966][ T4348] show_stack+0x2c/0x3c [ 415.964884][ T4348] dump_stack_lvl+0xc0/0x104 [ 415.965782][ T4348] dump_stack+0x1c/0x50 [ 415.966649][ T4348] should_fail_ex+0x1bc/0x1e0 [ 415.967660][ T4348] __should_failslab+0x64/0x78 [ 415.968721][ T4348] should_failslab+0x10/0x28 [ 415.969705][ T4348] slab_pre_alloc_hook+0x54/0x1f4 [ 415.970679][ T4348] kmem_cache_alloc_lru+0x60/0x2ac [ 415.971732][ T4348] alloc_inode+0x7c/0x104 [ 415.972697][ T4348] new_inode+0x2c/0xc0 [ 415.973521][ T4348] debugfs_create_dir+0x98/0x1e0 [ 415.974522][ T4348] nbd_start_device+0x1b4/0x510 [ 415.975516][ T4348] nbd_ioctl+0x228/0x66c [ 415.976406][ T4348] blkdev_ioctl+0x218/0x664 [ 415.977322][ T4348] __arm64_sys_ioctl+0xd0/0x148 [ 415.978298][ T4348] invoke_syscall+0x64/0x174 [ 415.979318][ T4348] el0_svc_common+0xb8/0x174 [ 415.980322][ T4348] do_el0_svc+0x3c/0xec [ 415.981259][ T4348] el0_svc+0x34/0x110 [ 415.982177][ T4348] el0t_64_sync_handler+0x84/0xf0 [ 415.983254][ T4348] el0t_64_sync+0x18c/0x190 [ 415.984310][ T4348] debugfs: out of free dentries, can not create directory 'nbd0' [ 415.985990][ T4348] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.094887][ T4348] block nbd0: shutting down sockets [ 416.204737][ T4351] block nbd0: Device being setup by another task [ 416.246334][ T4350] FAULT_INJECTION: forcing a failure. [ 416.246334][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 416.249010][ T4350] CPU: 1 PID: 4350 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 416.251127][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.253139][ T4350] Call trace: [ 416.253733][ T4350] dump_backtrace+0x1c8/0x1f4 [ 416.254729][ T4350] show_stack+0x2c/0x3c [ 416.255523][ T4350] dump_stack_lvl+0xc0/0x104 [ 416.256510][ T4350] dump_stack+0x1c/0x50 [ 416.257349][ T4350] should_fail_ex+0x1bc/0x1e0 [ 416.258363][ T4350] __should_failslab+0x64/0x78 [ 416.259408][ T4350] should_failslab+0x10/0x28 [ 416.260362][ T4350] __kmem_cache_alloc_node+0x6c/0x348 [ 416.261491][ T4350] __kmalloc_node_track_caller+0x84/0xc0 [ 416.262718][ T4350] kstrdup_const+0x90/0xdc [ 416.263598][ T4350] __kernfs_new_node+0x5c/0x2e8 [ 416.264607][ T4350] kernfs_create_dir_ns+0xac/0x188 [ 416.265661][ T4350] sysfs_create_dir_ns+0x8c/0x168 [ 416.266607][ T4350] kobject_add_internal+0x314/0x64c [ 416.267736][ T4350] kobject_add+0xb8/0x130 [ 416.268639][ T4350] blk_mq_register_hctx+0x54/0x184 [ 416.269619][ T4350] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 416.270817][ T4350] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 416.272229][ T4350] nbd_start_device+0xc4/0x510 [ 416.273233][ T4350] nbd_ioctl+0x228/0x66c [ 416.274121][ T4350] blkdev_ioctl+0x218/0x664 [ 416.275064][ T4350] __arm64_sys_ioctl+0xd0/0x148 [ 416.276032][ T4350] invoke_syscall+0x64/0x174 [ 416.277152][ T4350] el0_svc_common+0xb8/0x174 [ 416.278111][ T4350] do_el0_svc+0x3c/0xec [ 416.279047][ T4350] el0_svc+0x34/0x110 [ 416.279947][ T4350] el0t_64_sync_handler+0x84/0xf0 [ 416.281050][ T4350] el0t_64_sync+0x18c/0x190 [ 416.282128][ T4350] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 416.390358][ T4350] block nbd0: shutting down sockets [ 416.526476][ T4353] ------------[ cut here ]------------ [ 416.527673][ T4353] kernfs: can not remove 'nr_tags', no directory [ 416.529030][ T4353] WARNING: CPU: 0 PID: 4353 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.531208][ T4353] Modules linked in: [ 416.531986][ T4353] CPU: 0 PID: 4353 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 416.533848][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.535913][ T4353] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.537549][ T4353] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.538697][ T4353] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.539901][ T4353] sp : ffff80000df33ac0 [ 416.540770][ T4353] x29: ffff80000df33ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 416.542430][ T4353] x26: ffff0000c6713108 x25: ffff80000df33be8 x24: ffff0001ffa16000 [ 416.544066][ T4353] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 416.545714][ T4353] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.547389][ T4353] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 416.549246][ T4353] x14: 0000000000000000 x13: 205d333533345420 x12: ffff80000d1c5000 [ 416.550944][ T4353] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dd6a2800a7bb4600 [ 416.552557][ T4353] x8 : dd6a2800a7bb4600 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 416.554179][ T4353] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.555962][ T4353] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.557649][ T4353] Call trace: [ 416.558336][ T4353] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.559454][ T4353] sysfs_remove_group+0x68/0x160 [ 416.560467][ T4353] sysfs_remove_groups+0x3c/0x78 [ 416.561531][ T4353] __kobject_del+0x34/0x134 [ 416.562561][ T4353] kobject_del+0x2c/0x4c [ 416.563433][ T4353] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.564654][ T4353] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.565858][ T4353] nbd_start_device+0xc4/0x510 [ 416.566886][ T4353] nbd_ioctl+0x228/0x66c [ 416.567709][ T4353] blkdev_ioctl+0x218/0x664 [ 416.568645][ T4353] __arm64_sys_ioctl+0xd0/0x148 [ 416.569639][ T4353] invoke_syscall+0x64/0x174 [ 416.570620][ T4353] el0_svc_common+0xb8/0x174 [ 416.571622][ T4353] do_el0_svc+0x3c/0xec [ 416.572527][ T4353] el0_svc+0x34/0x110 [ 416.573334][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 416.574507][ T4353] el0t_64_sync+0x18c/0x190 [ 416.575478][ T4353] ---[ end trace 0000000000000000 ]--- [ 416.576758][ T4353] ------------[ cut here ]------------ [ 416.577947][ T4353] kernfs: can not remove 'nr_reserved_tags', no directory [ 416.579428][ T4353] WARNING: CPU: 0 PID: 4353 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.581502][ T4353] Modules linked in: [ 416.582327][ T4353] CPU: 0 PID: 4353 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 416.584323][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.586553][ T4353] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.588037][ T4353] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.589165][ T4353] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.590423][ T4353] sp : ffff80000df33ac0 [ 416.591389][ T4353] x29: ffff80000df33ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 416.593025][ T4353] x26: ffff0000c6713108 x25: ffff80000df33be8 x24: ffff0001ffa16000 [ 416.594750][ T4353] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 416.596462][ T4353] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.598190][ T4353] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 416.599845][ T4353] x14: 0000000000000000 x13: 205d333533345420 x12: ffff80000d1c5000 [ 416.601425][ T4353] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dd6a2800a7bb4600 [ 416.603102][ T4353] x8 : dd6a2800a7bb4600 x7 : 0000000000000000 x6 : ffff80000ae33bfc [ 416.604902][ T4353] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dee68 [ 416.606536][ T4353] x2 : ffff0001fe9dee68 x1 : ffff80000b9d9d89 x0 : 0000000000000001 [ 416.608259][ T4353] Call trace: [ 416.609007][ T4353] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.610095][ T4353] sysfs_remove_group+0x68/0x160 [ 416.611130][ T4353] sysfs_remove_groups+0x3c/0x78 [ 416.612236][ T4353] __kobject_del+0x34/0x134 [ 416.613182][ T4353] kobject_del+0x2c/0x4c [ 416.614010][ T4353] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.615244][ T4353] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.616432][ T4353] nbd_start_device+0xc4/0x510 [ 416.617403][ T4353] nbd_ioctl+0x228/0x66c [ 416.618213][ T4353] blkdev_ioctl+0x218/0x664 [ 416.619215][ T4353] __arm64_sys_ioctl+0xd0/0x148 [ 416.620216][ T4353] invoke_syscall+0x64/0x174 [ 416.621171][ T4353] el0_svc_common+0xb8/0x174 [ 416.622215][ T4353] do_el0_svc+0x3c/0xec [ 416.623027][ T4353] el0_svc+0x34/0x110 [ 416.623890][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 416.625000][ T4353] el0t_64_sync+0x18c/0x190 [ 416.625929][ T4353] ---[ end trace 0000000000000000 ]--- [ 416.627032][ T4353] ------------[ cut here ]------------ [ 416.628156][ T4353] kernfs: can not remove 'cpu_list', no directory [ 416.629614][ T4353] WARNING: CPU: 0 PID: 4353 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 416.631693][ T4353] Modules linked in: [ 416.632473][ T4353] CPU: 0 PID: 4353 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 416.634480][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.636523][ T4353] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 416.638211][ T4353] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 416.639369][ T4353] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 416.640534][ T4353] sp : ffff80000df33ac0 [ 416.641342][ T4353] x29: ffff80000df33ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 416.643061][ T4353] x26: ffff0000c6713108 x25: ffff80000df33be8 x24: ffff0001ffa16000 [ 416.644797][ T4353] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 416.646497][ T4353] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 416.648196][ T4353] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 416.649950][ T4353] x14: 0000000000000000 x13: 205d333533345420 x12: ffff80000d1c5000 [ 416.651753][ T4353] x11: 0000000000ff0100 x10: 0000000000000000 x9 : dd6a2800a7bb4600 [ 416.653471][ T4353] x8 : dd6a2800a7bb4600 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 416.655083][ T4353] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 416.656722][ T4353] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 416.658468][ T4353] Call trace: [ 416.659130][ T4353] kernfs_remove_by_name_ns+0xb4/0x110 [ 416.660253][ T4353] sysfs_remove_group+0x68/0x160 [ 416.661228][ T4353] sysfs_remove_groups+0x3c/0x78 [ 416.662381][ T4353] __kobject_del+0x34/0x134 [ 416.663265][ T4353] kobject_del+0x2c/0x4c [ 416.664234][ T4353] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 416.665506][ T4353] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 416.666662][ T4353] nbd_start_device+0xc4/0x510 [ 416.667751][ T4353] nbd_ioctl+0x228/0x66c [ 416.668626][ T4353] blkdev_ioctl+0x218/0x664 [ 416.669479][ T4353] __arm64_sys_ioctl+0xd0/0x148 [ 416.670640][ T4353] invoke_syscall+0x64/0x174 [ 416.671617][ T4353] el0_svc_common+0xb8/0x174 [ 416.672678][ T4353] do_el0_svc+0x3c/0xec [ 416.673505][ T4353] el0_svc+0x34/0x110 [ 416.674328][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 416.675364][ T4353] el0t_64_sync+0x18c/0x190 [ 416.676281][ T4353] ---[ end trace 0000000000000000 ]--- [ 416.687046][ T4353] block nbd0: shutting down sockets [ 416.774997][ T4355] FAULT_INJECTION: forcing a failure. [ 416.774997][ T4355] name failslab, interval 1, probability 0, space 0, times 0 [ 416.777652][ T4355] CPU: 0 PID: 4355 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 416.779619][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.781603][ T4355] Call trace: [ 416.782375][ T4355] dump_backtrace+0x1c8/0x1f4 [ 416.783419][ T4355] show_stack+0x2c/0x3c [ 416.784338][ T4355] dump_stack_lvl+0xc0/0x104 [ 416.785269][ T4355] dump_stack+0x1c/0x50 [ 416.786212][ T4355] should_fail_ex+0x1bc/0x1e0 [ 416.787268][ T4355] __should_failslab+0x64/0x78 [ 416.788243][ T4355] should_failslab+0x10/0x28 [ 416.789341][ T4355] slab_pre_alloc_hook+0x54/0x1f4 [ 416.790475][ T4355] kmem_cache_alloc_lru+0x60/0x2ac [ 416.791609][ T4355] __d_alloc+0x3c/0x290 [ 416.792494][ T4355] d_alloc_parallel+0x58/0x914 [ 416.793529][ T4355] __lookup_slow+0x8c/0x204 [ 416.794536][ T4355] lookup_one_len+0xd4/0x188 [ 416.795593][ T4355] start_creating+0x124/0x1f4 [ 416.796601][ T4355] debugfs_create_dir+0x2c/0x1e0 [ 416.797693][ T4355] nbd_start_device+0x1b4/0x510 [ 416.798753][ T4355] nbd_ioctl+0x228/0x66c [ 416.799675][ T4355] blkdev_ioctl+0x218/0x664 [ 416.800576][ T4355] __arm64_sys_ioctl+0xd0/0x148 [ 416.801612][ T4355] invoke_syscall+0x64/0x174 [ 416.802540][ T4355] el0_svc_common+0xb8/0x174 [ 416.803592][ T4355] do_el0_svc+0x3c/0xec [ 416.804468][ T4355] el0_svc+0x34/0x110 [ 416.805304][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 416.806451][ T4355] el0t_64_sync+0x18c/0x190 [ 416.807497][ T4355] block nbd0: Failed to create debugfs dir for 'nbd0' [ 416.933989][ T4355] block nbd0: shutting down sockets [ 417.054830][ T4358] FAULT_INJECTION: forcing a failure. [ 417.054830][ T4358] name failslab, interval 1, probability 0, space 0, times 0 [ 417.057753][ T4358] CPU: 1 PID: 4358 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 417.059685][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.061856][ T4358] Call trace: [ 417.062595][ T4358] dump_backtrace+0x1c8/0x1f4 [ 417.063570][ T4358] show_stack+0x2c/0x3c [ 417.064383][ T4358] dump_stack_lvl+0xc0/0x104 [ 417.065397][ T4358] dump_stack+0x1c/0x50 [ 417.066297][ T4358] should_fail_ex+0x1bc/0x1e0 [ 417.067294][ T4358] __should_failslab+0x64/0x78 [ 417.068291][ T4358] should_failslab+0x10/0x28 [ 417.069223][ T4358] slab_pre_alloc_hook+0x54/0x1f4 [ 417.070332][ T4358] kmem_cache_alloc_lru+0x60/0x2ac [ 417.071487][ T4358] __d_alloc+0x3c/0x290 [ 417.072381][ T4358] d_alloc_parallel+0x58/0x914 [ 417.073414][ T4358] __lookup_slow+0x8c/0x204 [ 417.074357][ T4358] lookup_one_len+0xd4/0x188 [ 417.075392][ T4358] start_creating+0x124/0x1f4 [ 417.076497][ T4358] debugfs_create_dir+0x2c/0x1e0 [ 417.077565][ T4358] nbd_start_device+0x1b4/0x510 [ 417.078539][ T4358] nbd_ioctl+0x228/0x66c [ 417.079417][ T4358] blkdev_ioctl+0x218/0x664 [ 417.080395][ T4358] __arm64_sys_ioctl+0xd0/0x148 [ 417.081453][ T4358] invoke_syscall+0x64/0x174 [ 417.082482][ T4358] el0_svc_common+0xb8/0x174 [ 417.083480][ T4358] do_el0_svc+0x3c/0xec [ 417.084425][ T4358] el0_svc+0x34/0x110 [ 417.085211][ T4358] el0t_64_sync_handler+0x84/0xf0 [ 417.086220][ T4358] el0t_64_sync+0x18c/0x190 [ 417.087149][ T4358] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.194377][ T4358] block nbd0: shutting down sockets [ 417.275005][ T4360] FAULT_INJECTION: forcing a failure. [ 417.275005][ T4360] name failslab, interval 1, probability 0, space 0, times 0 [ 417.277614][ T4360] CPU: 1 PID: 4360 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 417.279587][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.281554][ T4360] Call trace: [ 417.282302][ T4360] dump_backtrace+0x1c8/0x1f4 [ 417.283394][ T4360] show_stack+0x2c/0x3c [ 417.284188][ T4360] dump_stack_lvl+0xc0/0x104 [ 417.285255][ T4360] dump_stack+0x1c/0x50 [ 417.286152][ T4360] should_fail_ex+0x1bc/0x1e0 [ 417.287155][ T4360] __should_failslab+0x64/0x78 [ 417.288208][ T4360] should_failslab+0x10/0x28 [ 417.289305][ T4360] slab_pre_alloc_hook+0x54/0x1f4 [ 417.290291][ T4360] kmem_cache_alloc_lru+0x60/0x2ac [ 417.291313][ T4360] __d_alloc+0x3c/0x290 [ 417.292235][ T4360] d_alloc_parallel+0x58/0x914 [ 417.293269][ T4360] __lookup_slow+0x8c/0x204 [ 417.294148][ T4360] lookup_one_len+0xd4/0x188 [ 417.295078][ T4360] start_creating+0x124/0x1f4 [ 417.296113][ T4360] debugfs_create_dir+0x2c/0x1e0 [ 417.297096][ T4360] nbd_start_device+0x1b4/0x510 [ 417.298078][ T4360] nbd_ioctl+0x228/0x66c [ 417.298899][ T4360] blkdev_ioctl+0x218/0x664 [ 417.299869][ T4360] __arm64_sys_ioctl+0xd0/0x148 [ 417.300980][ T4360] invoke_syscall+0x64/0x174 [ 417.302043][ T4360] el0_svc_common+0xb8/0x174 [ 417.303071][ T4360] do_el0_svc+0x3c/0xec [ 417.303968][ T4360] el0_svc+0x34/0x110 [ 417.304798][ T4360] el0t_64_sync_handler+0x84/0xf0 [ 417.305792][ T4360] el0t_64_sync+0x18c/0x190 [ 417.306839][ T4360] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.433843][ T4360] block nbd0: shutting down sockets [ 417.515005][ T4362] FAULT_INJECTION: forcing a failure. [ 417.515005][ T4362] name failslab, interval 1, probability 0, space 0, times 0 [ 417.517568][ T4362] CPU: 1 PID: 4362 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 417.519563][ T4362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.521660][ T4362] Call trace: [ 417.522367][ T4362] dump_backtrace+0x1c8/0x1f4 [ 417.523306][ T4362] show_stack+0x2c/0x3c [ 417.524104][ T4362] dump_stack_lvl+0xc0/0x104 [ 417.525096][ T4362] dump_stack+0x1c/0x50 [ 417.526040][ T4362] should_fail_ex+0x1bc/0x1e0 [ 417.527052][ T4362] __should_failslab+0x64/0x78 [ 417.528011][ T4362] should_failslab+0x10/0x28 [ 417.528997][ T4362] slab_pre_alloc_hook+0x54/0x1f4 [ 417.530191][ T4362] kmem_cache_alloc_lru+0x60/0x2ac [ 417.531274][ T4362] __d_alloc+0x3c/0x290 [ 417.532170][ T4362] d_alloc_parallel+0x58/0x914 [ 417.533160][ T4362] __lookup_slow+0x8c/0x204 [ 417.534236][ T4362] lookup_one_len+0xd4/0x188 [ 417.535241][ T4362] start_creating+0x124/0x1f4 [ 417.536117][ T4362] debugfs_create_dir+0x2c/0x1e0 [ 417.537197][ T4362] nbd_start_device+0x1b4/0x510 [ 417.538174][ T4362] nbd_ioctl+0x228/0x66c [ 417.539177][ T4362] blkdev_ioctl+0x218/0x664 [ 417.540249][ T4362] __arm64_sys_ioctl+0xd0/0x148 [ 417.541222][ T4362] invoke_syscall+0x64/0x174 [ 417.542300][ T4362] el0_svc_common+0xb8/0x174 [ 417.543354][ T4362] do_el0_svc+0x3c/0xec [ 417.544230][ T4362] el0_svc+0x34/0x110 [ 417.545036][ T4362] el0t_64_sync_handler+0x84/0xf0 [ 417.546065][ T4362] el0t_64_sync+0x18c/0x190 [ 417.547122][ T4362] block nbd0: Failed to create debugfs dir for 'nbd0' [ 417.673159][ T4362] block nbd0: shutting down sockets [ 417.784741][ T4365] block nbd0: Device being setup by another task [ 417.826500][ T4364] FAULT_INJECTION: forcing a failure. [ 417.826500][ T4364] name failslab, interval 1, probability 0, space 0, times 0 [ 417.829259][ T4364] CPU: 0 PID: 4364 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 417.831400][ T4364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 417.833859][ T4364] Call trace: [ 417.834546][ T4364] dump_backtrace+0x1c8/0x1f4 [ 417.835478][ T4364] show_stack+0x2c/0x3c [ 417.836382][ T4364] dump_stack_lvl+0xc0/0x104 [ 417.837268][ T4364] dump_stack+0x1c/0x50 [ 417.838106][ T4364] should_fail_ex+0x1bc/0x1e0 [ 417.839131][ T4364] __should_failslab+0x64/0x78 [ 417.840220][ T4364] should_failslab+0x10/0x28 [ 417.841218][ T4364] __kmem_cache_alloc_node+0x6c/0x348 [ 417.842495][ T4364] __kmalloc_node_track_caller+0x84/0xc0 [ 417.843821][ T4364] kstrdup_const+0x90/0xdc [ 417.844712][ T4364] __kernfs_new_node+0x5c/0x2e8 [ 417.845753][ T4364] kernfs_create_dir_ns+0xac/0x188 [ 417.846870][ T4364] sysfs_create_dir_ns+0x8c/0x168 [ 417.847886][ T4364] kobject_add_internal+0x314/0x64c [ 417.849040][ T4364] kobject_add+0xb8/0x130 [ 417.849947][ T4364] blk_mq_register_hctx+0x54/0x184 [ 417.851125][ T4364] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 417.852305][ T4364] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 417.853526][ T4364] nbd_start_device+0xc4/0x510 [ 417.854519][ T4364] nbd_ioctl+0x228/0x66c [ 417.855396][ T4364] blkdev_ioctl+0x218/0x664 [ 417.856286][ T4364] __arm64_sys_ioctl+0xd0/0x148 [ 417.857302][ T4364] invoke_syscall+0x64/0x174 [ 417.858394][ T4364] el0_svc_common+0xb8/0x174 [ 417.859331][ T4364] do_el0_svc+0x3c/0xec [ 417.860234][ T4364] el0_svc+0x34/0x110 [ 417.861051][ T4364] el0t_64_sync_handler+0x84/0xf0 [ 417.862178][ T4364] el0t_64_sync+0x18c/0x190 [ 417.863240][ T4364] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 417.942348][ T4364] block nbd0: shutting down sockets [ 418.054757][ T4368] block nbd0: Device being setup by another task [ 418.056078][ T4367] FAULT_INJECTION: forcing a failure. [ 418.056078][ T4367] name failslab, interval 1, probability 0, space 0, times 0 [ 418.058807][ T4367] CPU: 0 PID: 4367 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 418.061009][ T4367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.063067][ T4367] Call trace: [ 418.063805][ T4367] dump_backtrace+0x1c8/0x1f4 [ 418.064758][ T4367] show_stack+0x2c/0x3c [ 418.065686][ T4367] dump_stack_lvl+0xc0/0x104 [ 418.066702][ T4367] dump_stack+0x1c/0x50 [ 418.067563][ T4367] should_fail_ex+0x1bc/0x1e0 [ 418.068501][ T4367] __should_failslab+0x64/0x78 [ 418.069589][ T4367] should_failslab+0x10/0x28 [ 418.070538][ T4367] slab_pre_alloc_hook+0x54/0x1f4 [ 418.071586][ T4367] kmem_cache_alloc_lru+0x60/0x2ac [ 418.072710][ T4367] alloc_inode+0x7c/0x104 [ 418.073639][ T4367] new_inode+0x2c/0xc0 [ 418.074723][ T4367] debugfs_create_dir+0x98/0x1e0 [ 418.075895][ T4367] nbd_start_device+0x1b4/0x510 [ 418.076908][ T4367] nbd_ioctl+0x228/0x66c [ 418.077744][ T4367] blkdev_ioctl+0x218/0x664 [ 418.078692][ T4367] __arm64_sys_ioctl+0xd0/0x148 [ 418.079871][ T4367] invoke_syscall+0x64/0x174 [ 418.080890][ T4367] el0_svc_common+0xb8/0x174 [ 418.081852][ T4367] do_el0_svc+0x3c/0xec [ 418.082709][ T4367] el0_svc+0x34/0x110 [ 418.083615][ T4367] el0t_64_sync_handler+0x84/0xf0 [ 418.084762][ T4367] el0t_64_sync+0x18c/0x190 [ 418.085786][ T4367] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.087418][ T4367] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.211726][ T4367] block nbd0: shutting down sockets [ 418.346235][ T4370] ------------[ cut here ]------------ [ 418.347477][ T4370] kernfs: can not remove 'nr_tags', no directory [ 418.348944][ T4370] WARNING: CPU: 1 PID: 4370 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.351007][ T4370] Modules linked in: [ 418.351720][ T4370] CPU: 1 PID: 4370 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 418.353799][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.356086][ T4370] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.357744][ T4370] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.359007][ T4370] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.360286][ T4370] sp : ffff80000df3bac0 [ 418.361162][ T4370] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 418.362824][ T4370] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa30f80 [ 418.364569][ T4370] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 418.366323][ T4370] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.367984][ T4370] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 418.369639][ T4370] x14: 0000000000000000 x13: 205d303733345420 x12: ffff80000d1c5000 [ 418.371360][ T4370] x11: 0000000000ff0100 x10: 0000000000000000 x9 : f28c9144423a8000 [ 418.373043][ T4370] x8 : f28c9144423a8000 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 418.374771][ T4370] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.376537][ T4370] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.378240][ T4370] Call trace: [ 418.378931][ T4370] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.380055][ T4370] sysfs_remove_group+0x68/0x160 [ 418.381253][ T4370] sysfs_remove_groups+0x3c/0x78 [ 418.382276][ T4370] __kobject_del+0x34/0x134 [ 418.383201][ T4370] kobject_del+0x2c/0x4c [ 418.384138][ T4370] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.385373][ T4370] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.386557][ T4370] nbd_start_device+0xc4/0x510 [ 418.387588][ T4370] nbd_ioctl+0x228/0x66c [ 418.388445][ T4370] blkdev_ioctl+0x218/0x664 [ 418.389340][ T4370] __arm64_sys_ioctl+0xd0/0x148 [ 418.390421][ T4370] invoke_syscall+0x64/0x174 [ 418.391313][ T4370] el0_svc_common+0xb8/0x174 [ 418.392275][ T4370] do_el0_svc+0x3c/0xec [ 418.393171][ T4370] el0_svc+0x34/0x110 [ 418.393967][ T4370] el0t_64_sync_handler+0x84/0xf0 [ 418.395062][ T4370] el0t_64_sync+0x18c/0x190 [ 418.395975][ T4370] ---[ end trace 0000000000000000 ]--- [ 418.397265][ T4370] ------------[ cut here ]------------ [ 418.398472][ T4370] kernfs: can not remove 'nr_reserved_tags', no directory [ 418.400094][ T4370] WARNING: CPU: 1 PID: 4370 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.402200][ T4370] Modules linked in: [ 418.402971][ T4370] CPU: 1 PID: 4370 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 418.405095][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.407326][ T4370] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.409004][ T4370] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.410190][ T4370] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.411439][ T4370] sp : ffff80000df3bac0 [ 418.412261][ T4370] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 418.413820][ T4370] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa30f80 [ 418.415672][ T4370] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 418.417423][ T4370] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.419108][ T4370] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 418.420886][ T4370] x14: 0000000000000000 x13: 205d303733345420 x12: ffff80000d1c5000 [ 418.422604][ T4370] x11: 0000000000ff0100 x10: 0000000000000000 x9 : f28c9144423a8000 [ 418.424439][ T4370] x8 : f28c9144423a8000 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 418.426299][ T4370] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.428077][ T4370] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.429650][ T4370] Call trace: [ 418.430347][ T4370] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.431506][ T4370] sysfs_remove_group+0x68/0x160 [ 418.432581][ T4370] sysfs_remove_groups+0x3c/0x78 [ 418.433658][ T4370] __kobject_del+0x34/0x134 [ 418.434689][ T4370] kobject_del+0x2c/0x4c [ 418.435615][ T4370] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.436952][ T4370] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.438140][ T4370] nbd_start_device+0xc4/0x510 [ 418.439247][ T4370] nbd_ioctl+0x228/0x66c [ 418.440194][ T4370] blkdev_ioctl+0x218/0x664 [ 418.441241][ T4370] __arm64_sys_ioctl+0xd0/0x148 [ 418.442229][ T4370] invoke_syscall+0x64/0x174 [ 418.443230][ T4370] el0_svc_common+0xb8/0x174 [ 418.444229][ T4370] do_el0_svc+0x3c/0xec [ 418.445195][ T4370] el0_svc+0x34/0x110 [ 418.445958][ T4370] el0t_64_sync_handler+0x84/0xf0 [ 418.447230][ T4370] el0t_64_sync+0x18c/0x190 [ 418.448254][ T4370] ---[ end trace 0000000000000000 ]--- [ 418.449433][ T4370] ------------[ cut here ]------------ [ 418.450531][ T4370] kernfs: can not remove 'cpu_list', no directory [ 418.451991][ T4370] WARNING: CPU: 1 PID: 4370 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 418.454077][ T4370] Modules linked in: [ 418.454871][ T4370] CPU: 1 PID: 4370 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 418.457022][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.459200][ T4370] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 418.460967][ T4370] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 418.462293][ T4370] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 418.463482][ T4370] sp : ffff80000df3bac0 [ 418.464315][ T4370] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 418.465845][ T4370] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa30f80 [ 418.467381][ T4370] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 418.468909][ T4370] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 418.470458][ T4370] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 418.471995][ T4370] x14: 0000000000000000 x13: 205d303733345420 x12: ffff80000d1c5000 [ 418.473516][ T4370] x11: 0000000000ff0100 x10: 0000000000000000 x9 : f28c9144423a8000 [ 418.475032][ T4370] x8 : f28c9144423a8000 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 418.476531][ T4370] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 418.478040][ T4370] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 418.479578][ T4370] Call trace: [ 418.480195][ T4370] kernfs_remove_by_name_ns+0xb4/0x110 [ 418.481244][ T4370] sysfs_remove_group+0x68/0x160 [ 418.482182][ T4370] sysfs_remove_groups+0x3c/0x78 [ 418.483125][ T4370] __kobject_del+0x34/0x134 [ 418.483983][ T4370] kobject_del+0x2c/0x4c [ 418.484782][ T4370] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 418.485902][ T4370] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 418.486985][ T4370] nbd_start_device+0xc4/0x510 [ 418.487913][ T4370] nbd_ioctl+0x228/0x66c [ 418.488745][ T4370] blkdev_ioctl+0x218/0x664 [ 418.489607][ T4370] __arm64_sys_ioctl+0xd0/0x148 [ 418.490546][ T4370] invoke_syscall+0x64/0x174 [ 418.491441][ T4370] el0_svc_common+0xb8/0x174 [ 418.492310][ T4370] do_el0_svc+0x3c/0xec [ 418.493102][ T4370] el0_svc+0x34/0x110 [ 418.493859][ T4370] el0t_64_sync_handler+0x84/0xf0 [ 418.494815][ T4370] el0t_64_sync+0x18c/0x190 [ 418.495650][ T4370] ---[ end trace 0000000000000000 ]--- [ 418.506338][ T4370] block nbd0: shutting down sockets [ 418.595009][ T4372] FAULT_INJECTION: forcing a failure. [ 418.595009][ T4372] name failslab, interval 1, probability 0, space 0, times 0 [ 418.597845][ T4372] CPU: 0 PID: 4372 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 418.599852][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.602096][ T4372] Call trace: [ 418.602819][ T4372] dump_backtrace+0x1c8/0x1f4 [ 418.603794][ T4372] show_stack+0x2c/0x3c [ 418.604643][ T4372] dump_stack_lvl+0xc0/0x104 [ 418.605559][ T4372] dump_stack+0x1c/0x50 [ 418.606465][ T4372] should_fail_ex+0x1bc/0x1e0 [ 418.607466][ T4372] __should_failslab+0x64/0x78 [ 418.608539][ T4372] should_failslab+0x10/0x28 [ 418.609584][ T4372] slab_pre_alloc_hook+0x54/0x1f4 [ 418.610648][ T4372] kmem_cache_alloc_lru+0x60/0x2ac [ 418.611711][ T4372] alloc_inode+0x7c/0x104 [ 418.612695][ T4372] new_inode+0x2c/0xc0 [ 418.613456][ T4372] debugfs_create_dir+0x98/0x1e0 [ 418.614669][ T4372] nbd_start_device+0x1b4/0x510 [ 418.615648][ T4372] nbd_ioctl+0x228/0x66c [ 418.616641][ T4372] blkdev_ioctl+0x218/0x664 [ 418.617624][ T4372] __arm64_sys_ioctl+0xd0/0x148 [ 418.618755][ T4372] invoke_syscall+0x64/0x174 [ 418.619719][ T4372] el0_svc_common+0xb8/0x174 [ 418.620651][ T4372] do_el0_svc+0x3c/0xec [ 418.621554][ T4372] el0_svc+0x34/0x110 [ 418.622384][ T4372] el0t_64_sync_handler+0x84/0xf0 [ 418.623484][ T4372] el0t_64_sync+0x18c/0x190 [ 418.624563][ T4372] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.626171][ T4372] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.754433][ T4372] block nbd0: shutting down sockets [ 418.834996][ T4374] FAULT_INJECTION: forcing a failure. [ 418.834996][ T4374] name failslab, interval 1, probability 0, space 0, times 0 [ 418.837629][ T4374] CPU: 0 PID: 4374 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 418.839646][ T4374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.841816][ T4374] Call trace: [ 418.842491][ T4374] dump_backtrace+0x1c8/0x1f4 [ 418.843599][ T4374] show_stack+0x2c/0x3c [ 418.844498][ T4374] dump_stack_lvl+0xc0/0x104 [ 418.845507][ T4374] dump_stack+0x1c/0x50 [ 418.846359][ T4374] should_fail_ex+0x1bc/0x1e0 [ 418.847294][ T4374] __should_failslab+0x64/0x78 [ 418.848339][ T4374] should_failslab+0x10/0x28 [ 418.849295][ T4374] slab_pre_alloc_hook+0x54/0x1f4 [ 418.850527][ T4374] kmem_cache_alloc_lru+0x60/0x2ac [ 418.851606][ T4374] alloc_inode+0x7c/0x104 [ 418.852532][ T4374] new_inode+0x2c/0xc0 [ 418.853346][ T4374] debugfs_create_dir+0x98/0x1e0 [ 418.854427][ T4374] nbd_start_device+0x1b4/0x510 [ 418.855434][ T4374] nbd_ioctl+0x228/0x66c [ 418.856347][ T4374] blkdev_ioctl+0x218/0x664 [ 418.857285][ T4374] __arm64_sys_ioctl+0xd0/0x148 [ 418.858377][ T4374] invoke_syscall+0x64/0x174 [ 418.859387][ T4374] el0_svc_common+0xb8/0x174 [ 418.860489][ T4374] do_el0_svc+0x3c/0xec [ 418.861397][ T4374] el0_svc+0x34/0x110 [ 418.862246][ T4374] el0t_64_sync_handler+0x84/0xf0 [ 418.863374][ T4374] el0t_64_sync+0x18c/0x190 [ 418.864316][ T4374] debugfs: out of free dentries, can not create directory 'nbd0' [ 418.865963][ T4374] block nbd0: Failed to create debugfs dir for 'nbd0' [ 418.994861][ T4374] block nbd0: shutting down sockets [ 419.074995][ T4376] FAULT_INJECTION: forcing a failure. [ 419.074995][ T4376] name failslab, interval 1, probability 0, space 0, times 0 [ 419.077782][ T4376] CPU: 0 PID: 4376 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 419.079881][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.081995][ T4376] Call trace: [ 419.082723][ T4376] dump_backtrace+0x1c8/0x1f4 [ 419.083730][ T4376] show_stack+0x2c/0x3c [ 419.084576][ T4376] dump_stack_lvl+0xc0/0x104 [ 419.085546][ T4376] dump_stack+0x1c/0x50 [ 419.086402][ T4376] should_fail_ex+0x1bc/0x1e0 [ 419.087340][ T4376] __should_failslab+0x64/0x78 [ 419.088372][ T4376] should_failslab+0x10/0x28 [ 419.089345][ T4376] slab_pre_alloc_hook+0x54/0x1f4 [ 419.090391][ T4376] kmem_cache_alloc_lru+0x60/0x2ac [ 419.091543][ T4376] alloc_inode+0x7c/0x104 [ 419.092500][ T4376] new_inode+0x2c/0xc0 [ 419.093382][ T4376] debugfs_create_dir+0x98/0x1e0 [ 419.094469][ T4376] nbd_start_device+0x1b4/0x510 [ 419.095611][ T4376] nbd_ioctl+0x228/0x66c [ 419.096548][ T4376] blkdev_ioctl+0x218/0x664 [ 419.097515][ T4376] __arm64_sys_ioctl+0xd0/0x148 [ 419.098546][ T4376] invoke_syscall+0x64/0x174 [ 419.099470][ T4376] el0_svc_common+0xb8/0x174 [ 419.100368][ T4376] do_el0_svc+0x3c/0xec [ 419.101238][ T4376] el0_svc+0x34/0x110 [ 419.102059][ T4376] el0t_64_sync_handler+0x84/0xf0 [ 419.103099][ T4376] el0t_64_sync+0x18c/0x190 [ 419.103973][ T4376] debugfs: out of free dentries, can not create directory 'nbd0' [ 419.105546][ T4376] block nbd0: Failed to create debugfs dir for 'nbd0' [ 419.233352][ T4376] block nbd0: shutting down sockets [ 419.344726][ T4379] block nbd0: Device being setup by another task [ 419.386594][ T4378] FAULT_INJECTION: forcing a failure. [ 419.386594][ T4378] name failslab, interval 1, probability 0, space 0, times 0 [ 419.389401][ T4378] CPU: 1 PID: 4378 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 419.391456][ T4378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.393482][ T4378] Call trace: [ 419.394153][ T4378] dump_backtrace+0x1c8/0x1f4 [ 419.395170][ T4378] show_stack+0x2c/0x3c [ 419.396062][ T4378] dump_stack_lvl+0xc0/0x104 [ 419.397047][ T4378] dump_stack+0x1c/0x50 [ 419.397877][ T4378] should_fail_ex+0x1bc/0x1e0 [ 419.398918][ T4378] __should_failslab+0x64/0x78 [ 419.399901][ T4378] should_failslab+0x10/0x28 [ 419.400873][ T4378] __kmem_cache_alloc_node+0x6c/0x348 [ 419.402044][ T4378] __kmalloc_node_track_caller+0x84/0xc0 [ 419.403259][ T4378] kstrdup_const+0x90/0xdc [ 419.404295][ T4378] __kernfs_new_node+0x5c/0x2e8 [ 419.405417][ T4378] kernfs_create_dir_ns+0xac/0x188 [ 419.406730][ T4378] sysfs_create_dir_ns+0x8c/0x168 [ 419.407795][ T4378] kobject_add_internal+0x314/0x64c [ 419.408839][ T4378] kobject_add+0xb8/0x130 [ 419.409746][ T4378] blk_mq_register_hctx+0x54/0x184 [ 419.410845][ T4378] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 419.412228][ T4378] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 419.413485][ T4378] nbd_start_device+0xc4/0x510 [ 419.414552][ T4378] nbd_ioctl+0x228/0x66c [ 419.415497][ T4378] blkdev_ioctl+0x218/0x664 [ 419.416644][ T4378] __arm64_sys_ioctl+0xd0/0x148 [ 419.417671][ T4378] invoke_syscall+0x64/0x174 [ 419.418705][ T4378] el0_svc_common+0xb8/0x174 [ 419.419663][ T4378] do_el0_svc+0x3c/0xec [ 419.420655][ T4378] el0_svc+0x34/0x110 [ 419.421501][ T4378] el0t_64_sync_handler+0x84/0xf0 [ 419.422589][ T4378] el0t_64_sync+0x18c/0x190 [ 419.423674][ T4378] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 419.532068][ T4378] block nbd0: shutting down sockets [ 419.696075][ T4382] ------------[ cut here ]------------ [ 419.697221][ T4382] kernfs: can not remove 'nr_tags', no directory [ 419.698535][ T4382] WARNING: CPU: 0 PID: 4382 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.700478][ T4382] Modules linked in: [ 419.701302][ T4382] CPU: 0 PID: 4382 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 419.703371][ T4382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.705392][ T4382] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.706954][ T4382] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.708195][ T4382] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.709379][ T4382] sp : ffff80000df1bac0 [ 419.710314][ T4382] x29: ffff80000df1bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 419.711990][ T4382] x26: ffff0000c6713108 x25: ffff80000df1bbe8 x24: ffff0000c5df9100 [ 419.713787][ T4382] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 419.715516][ T4382] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.717243][ T4382] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 419.719033][ T4382] x14: 0000000000000000 x13: 205d323833345420 x12: ffff80000d1c5000 [ 419.720732][ T4382] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 1fcf26c71109bf00 [ 419.722416][ T4382] x8 : 1fcf26c71109bf00 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 419.724242][ T4382] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.725887][ T4382] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.727658][ T4382] Call trace: [ 419.728431][ T4382] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.729558][ T4382] sysfs_remove_group+0x68/0x160 [ 419.730665][ T4382] sysfs_remove_groups+0x3c/0x78 [ 419.731811][ T4382] __kobject_del+0x34/0x134 [ 419.732826][ T4382] kobject_del+0x2c/0x4c [ 419.733764][ T4382] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.735017][ T4382] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.736213][ T4382] nbd_start_device+0xc4/0x510 [ 419.737362][ T4382] nbd_ioctl+0x228/0x66c [ 419.738307][ T4382] blkdev_ioctl+0x218/0x664 [ 419.739281][ T4382] __arm64_sys_ioctl+0xd0/0x148 [ 419.740444][ T4382] invoke_syscall+0x64/0x174 [ 419.741488][ T4382] el0_svc_common+0xb8/0x174 [ 419.742462][ T4382] do_el0_svc+0x3c/0xec [ 419.743303][ T4382] el0_svc+0x34/0x110 [ 419.744166][ T4382] el0t_64_sync_handler+0x84/0xf0 [ 419.745121][ T4382] el0t_64_sync+0x18c/0x190 [ 419.746079][ T4382] ---[ end trace 0000000000000000 ]--- [ 419.747325][ T4382] ------------[ cut here ]------------ [ 419.748405][ T4382] kernfs: can not remove 'nr_reserved_tags', no directory [ 419.749982][ T4382] WARNING: CPU: 0 PID: 4382 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.752078][ T4382] Modules linked in: [ 419.752842][ T4382] CPU: 0 PID: 4382 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 419.754975][ T4382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.757233][ T4382] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.758969][ T4382] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.760143][ T4382] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.761374][ T4382] sp : ffff80000df1bac0 [ 419.762247][ T4382] x29: ffff80000df1bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 419.764112][ T4382] x26: ffff0000c6713108 x25: ffff80000df1bbe8 x24: ffff0000c5df9100 [ 419.765844][ T4382] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 419.767479][ T4382] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.769078][ T4382] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 419.770738][ T4382] x14: 0000000000000000 x13: 205d323833345420 x12: ffff80000d1c5000 [ 419.772559][ T4382] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 1fcf26c71109bf00 [ 419.774235][ T4382] x8 : 1fcf26c71109bf00 x7 : 0000000000000000 x6 : ffff80000ae33bfc [ 419.775861][ T4382] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dee68 [ 419.777497][ T4382] x2 : ffff0001fe9dee68 x1 : ffff80000b9d9d89 x0 : 0000000000000001 [ 419.779214][ T4382] Call trace: [ 419.779807][ T4382] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.781098][ T4382] sysfs_remove_group+0x68/0x160 [ 419.782147][ T4382] sysfs_remove_groups+0x3c/0x78 [ 419.783256][ T4382] __kobject_del+0x34/0x134 [ 419.784261][ T4382] kobject_del+0x2c/0x4c [ 419.785133][ T4382] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.786374][ T4382] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.787517][ T4382] nbd_start_device+0xc4/0x510 [ 419.788505][ T4382] nbd_ioctl+0x228/0x66c [ 419.789483][ T4382] blkdev_ioctl+0x218/0x664 [ 419.790419][ T4382] __arm64_sys_ioctl+0xd0/0x148 [ 419.791311][ T4382] invoke_syscall+0x64/0x174 [ 419.792295][ T4382] el0_svc_common+0xb8/0x174 [ 419.793277][ T4382] do_el0_svc+0x3c/0xec [ 419.794109][ T4382] el0_svc+0x34/0x110 [ 419.794934][ T4382] el0t_64_sync_handler+0x84/0xf0 [ 419.796013][ T4382] el0t_64_sync+0x18c/0x190 [ 419.796911][ T4382] ---[ end trace 0000000000000000 ]--- [ 419.798005][ T4382] ------------[ cut here ]------------ [ 419.799163][ T4382] kernfs: can not remove 'cpu_list', no directory [ 419.800581][ T4382] WARNING: CPU: 0 PID: 4382 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 419.802601][ T4382] Modules linked in: [ 419.803467][ T4382] CPU: 0 PID: 4382 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 419.805420][ T4382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.807475][ T4382] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 419.809174][ T4382] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 419.810415][ T4382] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 419.811848][ T4382] sp : ffff80000df1bac0 [ 419.812737][ T4382] x29: ffff80000df1bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 419.814538][ T4382] x26: ffff0000c6713108 x25: ffff80000df1bbe8 x24: ffff0000c5df9100 [ 419.816214][ T4382] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 419.818100][ T4382] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 419.819740][ T4382] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 419.821473][ T4382] x14: 0000000000000000 x13: 205d323833345420 x12: ffff80000d1c5000 [ 419.823309][ T4382] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 1fcf26c71109bf00 [ 419.824944][ T4382] x8 : 1fcf26c71109bf00 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 419.826685][ T4382] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 419.828388][ T4382] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 419.830257][ T4382] Call trace: [ 419.831071][ T4382] kernfs_remove_by_name_ns+0xb4/0x110 [ 419.832183][ T4382] sysfs_remove_group+0x68/0x160 [ 419.833228][ T4382] sysfs_remove_groups+0x3c/0x78 [ 419.834235][ T4382] __kobject_del+0x34/0x134 [ 419.835266][ T4382] kobject_del+0x2c/0x4c [ 419.836294][ T4382] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 419.837490][ T4382] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 419.838727][ T4382] nbd_start_device+0xc4/0x510 [ 419.839712][ T4382] nbd_ioctl+0x228/0x66c [ 419.840544][ T4382] blkdev_ioctl+0x218/0x664 [ 419.841582][ T4382] __arm64_sys_ioctl+0xd0/0x148 [ 419.842543][ T4382] invoke_syscall+0x64/0x174 [ 419.843625][ T4382] el0_svc_common+0xb8/0x174 [ 419.844671][ T4382] do_el0_svc+0x3c/0xec [ 419.845596][ T4382] el0_svc+0x34/0x110 [ 419.846467][ T4382] el0t_64_sync_handler+0x84/0xf0 [ 419.847538][ T4382] el0t_64_sync+0x18c/0x190 [ 419.848496][ T4382] ---[ end trace 0000000000000000 ]--- [ 419.852145][ T4382] block nbd0: shutting down sockets [ 419.944977][ T4384] FAULT_INJECTION: forcing a failure. [ 419.944977][ T4384] name failslab, interval 1, probability 0, space 0, times 0 [ 419.947437][ T4384] CPU: 1 PID: 4384 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 419.949432][ T4384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.951441][ T4384] Call trace: [ 419.952159][ T4384] dump_backtrace+0x1c8/0x1f4 [ 419.953104][ T4384] show_stack+0x2c/0x3c [ 419.953937][ T4384] dump_stack_lvl+0xc0/0x104 [ 419.954860][ T4384] dump_stack+0x1c/0x50 [ 419.955753][ T4384] should_fail_ex+0x1bc/0x1e0 [ 419.956783][ T4384] __should_failslab+0x64/0x78 [ 419.957700][ T4384] should_failslab+0x10/0x28 [ 419.958831][ T4384] slab_pre_alloc_hook+0x54/0x1f4 [ 419.959869][ T4384] kmem_cache_alloc_lru+0x60/0x2ac [ 419.960875][ T4384] __d_alloc+0x3c/0x290 [ 419.961797][ T4384] d_alloc_parallel+0x58/0x914 [ 419.962819][ T4384] __lookup_slow+0x8c/0x204 [ 419.963737][ T4384] lookup_one_len+0xd4/0x188 [ 419.964666][ T4384] start_creating+0x124/0x1f4 [ 419.965720][ T4384] debugfs_create_dir+0x2c/0x1e0 [ 419.966881][ T4384] nbd_start_device+0x1b4/0x510 [ 419.967958][ T4384] nbd_ioctl+0x228/0x66c [ 419.968838][ T4384] blkdev_ioctl+0x218/0x664 [ 419.969804][ T4384] __arm64_sys_ioctl+0xd0/0x148 [ 419.970910][ T4384] invoke_syscall+0x64/0x174 [ 419.972027][ T4384] el0_svc_common+0xb8/0x174 [ 419.972966][ T4384] do_el0_svc+0x3c/0xec [ 419.973858][ T4384] el0_svc+0x34/0x110 [ 419.974677][ T4384] el0t_64_sync_handler+0x84/0xf0 [ 419.975980][ T4384] el0t_64_sync+0x18c/0x190 [ 419.977514][ T4384] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.104133][ T4384] block nbd0: shutting down sockets [ 420.174959][ T4386] FAULT_INJECTION: forcing a failure. [ 420.174959][ T4386] name failslab, interval 1, probability 0, space 0, times 0 [ 420.177575][ T4386] CPU: 1 PID: 4386 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 420.179571][ T4386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.181652][ T4386] Call trace: [ 420.182329][ T4386] dump_backtrace+0x1c8/0x1f4 [ 420.183293][ T4386] show_stack+0x2c/0x3c [ 420.184191][ T4386] dump_stack_lvl+0xc0/0x104 [ 420.185138][ T4386] dump_stack+0x1c/0x50 [ 420.186063][ T4386] should_fail_ex+0x1bc/0x1e0 [ 420.187009][ T4386] __should_failslab+0x64/0x78 [ 420.188124][ T4386] should_failslab+0x10/0x28 [ 420.189089][ T4386] slab_pre_alloc_hook+0x54/0x1f4 [ 420.190069][ T4386] kmem_cache_alloc_lru+0x60/0x2ac [ 420.191067][ T4386] __d_alloc+0x3c/0x290 [ 420.191946][ T4386] d_alloc_parallel+0x58/0x914 [ 420.192953][ T4386] __lookup_slow+0x8c/0x204 [ 420.193787][ T4386] lookup_one_len+0xd4/0x188 [ 420.194742][ T4386] start_creating+0x124/0x1f4 [ 420.195729][ T4386] debugfs_create_dir+0x2c/0x1e0 [ 420.196957][ T4386] nbd_start_device+0x1b4/0x510 [ 420.198056][ T4386] nbd_ioctl+0x228/0x66c [ 420.199114][ T4386] blkdev_ioctl+0x218/0x664 [ 420.200133][ T4386] __arm64_sys_ioctl+0xd0/0x148 [ 420.201236][ T4386] invoke_syscall+0x64/0x174 [ 420.202143][ T4386] el0_svc_common+0xb8/0x174 [ 420.203019][ T4386] do_el0_svc+0x3c/0xec [ 420.204061][ T4386] el0_svc+0x34/0x110 [ 420.204928][ T4386] el0t_64_sync_handler+0x84/0xf0 [ 420.206167][ T4386] el0t_64_sync+0x18c/0x190 [ 420.207248][ T4386] block nbd0: Failed to create debugfs dir for 'nbd0' [ 420.333537][ T4386] block nbd0: shutting down sockets [ 420.454746][ T4389] block nbd0: Device being setup by another task [ 420.496500][ T4388] FAULT_INJECTION: forcing a failure. [ 420.496500][ T4388] name failslab, interval 1, probability 0, space 0, times 0 [ 420.499192][ T4388] CPU: 0 PID: 4388 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 420.501211][ T4388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.503462][ T4388] Call trace: [ 420.504122][ T4388] dump_backtrace+0x1c8/0x1f4 [ 420.505102][ T4388] show_stack+0x2c/0x3c [ 420.505906][ T4388] dump_stack_lvl+0xc0/0x104 [ 420.506825][ T4388] dump_stack+0x1c/0x50 [ 420.507631][ T4388] should_fail_ex+0x1bc/0x1e0 [ 420.508687][ T4388] __should_failslab+0x64/0x78 [ 420.509771][ T4388] should_failslab+0x10/0x28 [ 420.510632][ T4388] __kmem_cache_alloc_node+0x6c/0x348 [ 420.511823][ T4388] __kmalloc_node_track_caller+0x84/0xc0 [ 420.513040][ T4388] kstrdup_const+0x90/0xdc [ 420.513890][ T4388] __kernfs_new_node+0x5c/0x2e8 [ 420.514984][ T4388] kernfs_create_dir_ns+0xac/0x188 [ 420.516114][ T4388] sysfs_create_dir_ns+0x8c/0x168 [ 420.517157][ T4388] kobject_add_internal+0x314/0x64c [ 420.518169][ T4388] kobject_add+0xb8/0x130 [ 420.519065][ T4388] blk_mq_register_hctx+0x54/0x184 [ 420.520235][ T4388] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 420.521540][ T4388] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 420.522674][ T4388] nbd_start_device+0xc4/0x510 [ 420.523621][ T4388] nbd_ioctl+0x228/0x66c [ 420.524587][ T4388] blkdev_ioctl+0x218/0x664 [ 420.525569][ T4388] __arm64_sys_ioctl+0xd0/0x148 [ 420.526560][ T4388] invoke_syscall+0x64/0x174 [ 420.527457][ T4388] el0_svc_common+0xb8/0x174 [ 420.528543][ T4388] do_el0_svc+0x3c/0xec [ 420.529405][ T4388] el0_svc+0x34/0x110 [ 420.530237][ T4388] el0t_64_sync_handler+0x84/0xf0 [ 420.531307][ T4388] el0t_64_sync+0x18c/0x190 [ 420.532298][ T4388] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 420.604241][ T4388] block nbd0: shutting down sockets [ 420.726615][ T4391] ------------[ cut here ]------------ [ 420.727818][ T4391] kernfs: can not remove 'nr_tags', no directory [ 420.729174][ T4391] WARNING: CPU: 1 PID: 4391 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.731239][ T4391] Modules linked in: [ 420.732057][ T4391] CPU: 1 PID: 4391 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 420.734294][ T4391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.736496][ T4391] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.738231][ T4391] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.739455][ T4391] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.740704][ T4391] sp : ffff80000df3bac0 [ 420.741658][ T4391] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 420.743415][ T4391] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa5ef80 [ 420.745175][ T4391] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 420.746868][ T4391] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.748724][ T4391] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 420.750439][ T4391] x14: 0000000000000000 x13: 205d313933345420 x12: ffff80000d1c5000 [ 420.752181][ T4391] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 79a388f61002a900 [ 420.753792][ T4391] x8 : 79a388f61002a900 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 420.755629][ T4391] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.757332][ T4391] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.759005][ T4391] Call trace: [ 420.759649][ T4391] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.760741][ T4391] sysfs_remove_group+0x68/0x160 [ 420.761735][ T4391] sysfs_remove_groups+0x3c/0x78 [ 420.762799][ T4391] __kobject_del+0x34/0x134 [ 420.763713][ T4391] kobject_del+0x2c/0x4c [ 420.764596][ T4391] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.765965][ T4391] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.767209][ T4391] nbd_start_device+0xc4/0x510 [ 420.768235][ T4391] nbd_ioctl+0x228/0x66c [ 420.769118][ T4391] blkdev_ioctl+0x218/0x664 [ 420.770009][ T4391] __arm64_sys_ioctl+0xd0/0x148 [ 420.771087][ T4391] invoke_syscall+0x64/0x174 [ 420.772052][ T4391] el0_svc_common+0xb8/0x174 [ 420.773029][ T4391] do_el0_svc+0x3c/0xec [ 420.773907][ T4391] el0_svc+0x34/0x110 [ 420.774803][ T4391] el0t_64_sync_handler+0x84/0xf0 [ 420.775880][ T4391] el0t_64_sync+0x18c/0x190 [ 420.776827][ T4391] ---[ end trace 0000000000000000 ]--- [ 420.778055][ T4391] ------------[ cut here ]------------ [ 420.779191][ T4391] kernfs: can not remove 'nr_reserved_tags', no directory [ 420.781010][ T4391] WARNING: CPU: 1 PID: 4391 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.782982][ T4391] Modules linked in: [ 420.783785][ T4391] CPU: 1 PID: 4391 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 420.786056][ T4391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.788134][ T4391] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.789622][ T4391] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.790813][ T4391] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.792023][ T4391] sp : ffff80000df3bac0 [ 420.792920][ T4391] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 420.794453][ T4391] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa5ef80 [ 420.796204][ T4391] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 420.797821][ T4391] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.799391][ T4391] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 420.801037][ T4391] x14: 0000000000000000 x13: 205d313933345420 x12: ffff80000d1c5000 [ 420.803017][ T4391] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 79a388f61002a900 [ 420.804670][ T4391] x8 : 79a388f61002a900 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 420.806409][ T4391] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.808058][ T4391] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.809825][ T4391] Call trace: [ 420.810672][ T4391] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.811712][ T4391] sysfs_remove_group+0x68/0x160 [ 420.812813][ T4391] sysfs_remove_groups+0x3c/0x78 [ 420.813786][ T4391] __kobject_del+0x34/0x134 [ 420.814791][ T4391] kobject_del+0x2c/0x4c [ 420.815640][ T4391] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.816797][ T4391] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.818055][ T4391] nbd_start_device+0xc4/0x510 [ 420.819081][ T4391] nbd_ioctl+0x228/0x66c [ 420.820000][ T4391] blkdev_ioctl+0x218/0x664 [ 420.820976][ T4391] __arm64_sys_ioctl+0xd0/0x148 [ 420.821945][ T4391] invoke_syscall+0x64/0x174 [ 420.822979][ T4391] el0_svc_common+0xb8/0x174 [ 420.823832][ T4391] do_el0_svc+0x3c/0xec [ 420.824765][ T4391] el0_svc+0x34/0x110 [ 420.825616][ T4391] el0t_64_sync_handler+0x84/0xf0 [ 420.826758][ T4391] el0t_64_sync+0x18c/0x190 [ 420.827706][ T4391] ---[ end trace 0000000000000000 ]--- [ 420.828907][ T4391] ------------[ cut here ]------------ [ 420.829981][ T4391] kernfs: can not remove 'cpu_list', no directory [ 420.831402][ T4391] WARNING: CPU: 1 PID: 4391 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 420.833411][ T4391] Modules linked in: [ 420.834232][ T4391] CPU: 1 PID: 4391 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 420.836371][ T4391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 420.838612][ T4391] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 420.840269][ T4391] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 420.841544][ T4391] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 420.842747][ T4391] sp : ffff80000df3bac0 [ 420.843637][ T4391] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 420.845324][ T4391] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa5ef80 [ 420.846929][ T4391] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 420.848653][ T4391] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 420.850359][ T4391] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 420.851992][ T4391] x14: 0000000000000000 x13: 205d313933345420 x12: ffff80000d1c5000 [ 420.853626][ T4391] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 79a388f61002a900 [ 420.855247][ T4391] x8 : 79a388f61002a900 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 420.856929][ T4391] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 420.858638][ T4391] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 420.860241][ T4391] Call trace: [ 420.860970][ T4391] kernfs_remove_by_name_ns+0xb4/0x110 [ 420.862004][ T4391] sysfs_remove_group+0x68/0x160 [ 420.863068][ T4391] sysfs_remove_groups+0x3c/0x78 [ 420.864110][ T4391] __kobject_del+0x34/0x134 [ 420.865186][ T4391] kobject_del+0x2c/0x4c [ 420.866210][ T4391] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 420.867527][ T4391] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 420.868834][ T4391] nbd_start_device+0xc4/0x510 [ 420.869912][ T4391] nbd_ioctl+0x228/0x66c [ 420.870804][ T4391] blkdev_ioctl+0x218/0x664 [ 420.871791][ T4391] __arm64_sys_ioctl+0xd0/0x148 [ 420.872881][ T4391] invoke_syscall+0x64/0x174 [ 420.873784][ T4391] el0_svc_common+0xb8/0x174 [ 420.874827][ T4391] do_el0_svc+0x3c/0xec [ 420.875709][ T4391] el0_svc+0x34/0x110 [ 420.876632][ T4391] el0t_64_sync_handler+0x84/0xf0 [ 420.877754][ T4391] el0t_64_sync+0x18c/0x190 [ 420.878716][ T4391] ---[ end trace 0000000000000000 ]--- [ 420.888380][ T4391] block nbd0: shutting down sockets [ 421.004739][ T4394] block nbd0: Device being setup by another task [ 421.046464][ T4393] FAULT_INJECTION: forcing a failure. [ 421.046464][ T4393] name failslab, interval 1, probability 0, space 0, times 0 [ 421.049262][ T4393] CPU: 1 PID: 4393 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 421.051592][ T4393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.053794][ T4393] Call trace: [ 421.054459][ T4393] dump_backtrace+0x1c8/0x1f4 [ 421.055638][ T4393] show_stack+0x2c/0x3c [ 421.056595][ T4393] dump_stack_lvl+0xc0/0x104 [ 421.057547][ T4393] dump_stack+0x1c/0x50 [ 421.058477][ T4393] should_fail_ex+0x1bc/0x1e0 [ 421.059421][ T4393] __should_failslab+0x64/0x78 [ 421.060461][ T4393] should_failslab+0x10/0x28 [ 421.061375][ T4393] __kmem_cache_alloc_node+0x6c/0x348 [ 421.062490][ T4393] __kmalloc_node_track_caller+0x84/0xc0 [ 421.063708][ T4393] kstrdup_const+0x90/0xdc [ 421.064562][ T4393] __kernfs_new_node+0x5c/0x2e8 [ 421.065616][ T4393] kernfs_create_dir_ns+0xac/0x188 [ 421.066568][ T4393] sysfs_create_dir_ns+0x8c/0x168 [ 421.067639][ T4393] kobject_add_internal+0x314/0x64c [ 421.068787][ T4393] kobject_add+0xb8/0x130 [ 421.069747][ T4393] blk_mq_register_hctx+0x54/0x184 [ 421.070845][ T4393] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 421.072211][ T4393] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 421.073440][ T4393] nbd_start_device+0xc4/0x510 [ 421.074436][ T4393] nbd_ioctl+0x228/0x66c [ 421.075290][ T4393] blkdev_ioctl+0x218/0x664 [ 421.076247][ T4393] __arm64_sys_ioctl+0xd0/0x148 [ 421.077320][ T4393] invoke_syscall+0x64/0x174 [ 421.078359][ T4393] el0_svc_common+0xb8/0x174 [ 421.079285][ T4393] do_el0_svc+0x3c/0xec [ 421.080156][ T4393] el0_svc+0x34/0x110 [ 421.080966][ T4393] el0t_64_sync_handler+0x84/0xf0 [ 421.081939][ T4393] el0t_64_sync+0x18c/0x190 [ 421.082967][ T4393] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 421.157079][ T4393] block nbd0: shutting down sockets [ 421.326188][ T4396] ------------[ cut here ]------------ [ 421.327420][ T4396] kernfs: can not remove 'nr_tags', no directory [ 421.328750][ T4396] WARNING: CPU: 1 PID: 4396 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.330704][ T4396] Modules linked in: [ 421.331485][ T4396] CPU: 1 PID: 4396 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 421.333516][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.335822][ T4396] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.337410][ T4396] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.338690][ T4396] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.340067][ T4396] sp : ffff80000df13ac0 [ 421.340904][ T4396] x29: ffff80000df13ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 421.342734][ T4396] x26: ffff0000c6713108 x25: ffff80000df13be8 x24: ffff0001ffa68000 [ 421.344359][ T4396] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 421.346059][ T4396] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.347782][ T4396] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 421.349426][ T4396] x14: 0000000000000000 x13: 205d363933345420 x12: ffff80000d1c5000 [ 421.351212][ T4396] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bf552fa10941de00 [ 421.352995][ T4396] x8 : bf552fa10941de00 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 421.354692][ T4396] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.356321][ T4396] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.358060][ T4396] Call trace: [ 421.358860][ T4396] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.360032][ T4396] sysfs_remove_group+0x68/0x160 [ 421.361102][ T4396] sysfs_remove_groups+0x3c/0x78 [ 421.362030][ T4396] __kobject_del+0x34/0x134 [ 421.363001][ T4396] kobject_del+0x2c/0x4c [ 421.363931][ T4396] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.365196][ T4396] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.366363][ T4396] nbd_start_device+0xc4/0x510 [ 421.367373][ T4396] nbd_ioctl+0x228/0x66c [ 421.368291][ T4396] blkdev_ioctl+0x218/0x664 [ 421.369325][ T4396] __arm64_sys_ioctl+0xd0/0x148 [ 421.370225][ T4396] invoke_syscall+0x64/0x174 [ 421.371144][ T4396] el0_svc_common+0xb8/0x174 [ 421.372128][ T4396] do_el0_svc+0x3c/0xec [ 421.373038][ T4396] el0_svc+0x34/0x110 [ 421.373911][ T4396] el0t_64_sync_handler+0x84/0xf0 [ 421.374937][ T4396] el0t_64_sync+0x18c/0x190 [ 421.375971][ T4396] ---[ end trace 0000000000000000 ]--- [ 421.377197][ T4396] ------------[ cut here ]------------ [ 421.378278][ T4396] kernfs: can not remove 'nr_reserved_tags', no directory [ 421.379783][ T4396] WARNING: CPU: 1 PID: 4396 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.381749][ T4396] Modules linked in: [ 421.382470][ T4396] CPU: 1 PID: 4396 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 421.384559][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.386749][ T4396] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.388409][ T4396] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.389698][ T4396] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.390975][ T4396] sp : ffff80000df13ac0 [ 421.391921][ T4396] x29: ffff80000df13ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 421.393482][ T4396] x26: ffff0000c6713108 x25: ffff80000df13be8 x24: ffff0001ffa68000 [ 421.395649][ T4396] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 421.397368][ T4396] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.399080][ T4396] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 421.400967][ T4396] x14: 0000000000000000 x13: 205d363933345420 x12: ffff80000d1c5000 [ 421.402963][ T4396] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bf552fa10941de00 [ 421.404718][ T4396] x8 : bf552fa10941de00 x7 : 0000000000000000 x6 : ffff80000ae33bfc [ 421.406361][ T4396] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9f6e68 [ 421.408096][ T4396] x2 : ffff0001fe9f6e68 x1 : ffff80000b9d9d89 x0 : 0000000000000001 [ 421.409806][ T4396] Call trace: [ 421.410501][ T4396] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.411744][ T4396] sysfs_remove_group+0x68/0x160 [ 421.412710][ T4396] sysfs_remove_groups+0x3c/0x78 [ 421.413855][ T4396] __kobject_del+0x34/0x134 [ 421.414755][ T4396] kobject_del+0x2c/0x4c [ 421.415779][ T4396] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.417046][ T4396] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.418230][ T4396] nbd_start_device+0xc4/0x510 [ 421.419340][ T4396] nbd_ioctl+0x228/0x66c [ 421.420246][ T4396] blkdev_ioctl+0x218/0x664 [ 421.421181][ T4396] __arm64_sys_ioctl+0xd0/0x148 [ 421.422265][ T4396] invoke_syscall+0x64/0x174 [ 421.423390][ T4396] el0_svc_common+0xb8/0x174 [ 421.424291][ T4396] do_el0_svc+0x3c/0xec [ 421.425193][ T4396] el0_svc+0x34/0x110 [ 421.426066][ T4396] el0t_64_sync_handler+0x84/0xf0 [ 421.427303][ T4396] el0t_64_sync+0x18c/0x190 [ 421.428309][ T4396] ---[ end trace 0000000000000000 ]--- [ 421.429519][ T4396] ------------[ cut here ]------------ [ 421.430674][ T4396] kernfs: can not remove 'cpu_list', no directory [ 421.432067][ T4396] WARNING: CPU: 1 PID: 4396 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 421.433996][ T4396] Modules linked in: [ 421.434719][ T4396] CPU: 1 PID: 4396 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 421.436687][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.438795][ T4396] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 421.440471][ T4396] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 421.441656][ T4396] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 421.442936][ T4396] sp : ffff80000df13ac0 [ 421.443878][ T4396] x29: ffff80000df13ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 421.445688][ T4396] x26: ffff0000c6713108 x25: ffff80000df13be8 x24: ffff0001ffa68000 [ 421.447446][ T4396] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 421.449211][ T4396] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 421.450807][ T4396] x17: ffff80000d401688 x16: 0000000000001189 x15: 0000000000000000 [ 421.452460][ T4396] x14: 0000000000000000 x13: 205d363933345420 x12: ffff80000d1c5000 [ 421.454075][ T4396] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bf552fa10941de00 [ 421.455783][ T4396] x8 : bf552fa10941de00 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 421.457487][ T4396] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 421.459092][ T4396] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 421.460979][ T4396] Call trace: [ 421.461607][ T4396] kernfs_remove_by_name_ns+0xb4/0x110 [ 421.462810][ T4396] sysfs_remove_group+0x68/0x160 [ 421.463986][ T4396] sysfs_remove_groups+0x3c/0x78 [ 421.465029][ T4396] __kobject_del+0x34/0x134 [ 421.466031][ T4396] kobject_del+0x2c/0x4c [ 421.466947][ T4396] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 421.468151][ T4396] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 421.469391][ T4396] nbd_start_device+0xc4/0x510 [ 421.470466][ T4396] nbd_ioctl+0x228/0x66c [ 421.471396][ T4396] blkdev_ioctl+0x218/0x664 [ 421.472406][ T4396] __arm64_sys_ioctl+0xd0/0x148 [ 421.473415][ T4396] invoke_syscall+0x64/0x174 [ 421.474389][ T4396] el0_svc_common+0xb8/0x174 [ 421.475361][ T4396] do_el0_svc+0x3c/0xec [ 421.476142][ T4396] el0_svc+0x34/0x110 [ 421.476991][ T4396] el0t_64_sync_handler+0x84/0xf0 [ 421.478097][ T4396] el0t_64_sync+0x18c/0x190 [ 421.479174][ T4396] ---[ end trace 0000000000000000 ]--- [ 421.482010][ T4396] block nbd0: shutting down sockets [ 421.564989][ T4398] FAULT_INJECTION: forcing a failure. [ 421.564989][ T4398] name failslab, interval 1, probability 0, space 0, times 0 [ 421.567762][ T4398] CPU: 1 PID: 4398 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 421.569893][ T4398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.571918][ T4398] Call trace: [ 421.572563][ T4398] dump_backtrace+0x1c8/0x1f4 [ 421.573471][ T4398] show_stack+0x2c/0x3c [ 421.574284][ T4398] dump_stack_lvl+0xc0/0x104 [ 421.575221][ T4398] dump_stack+0x1c/0x50 [ 421.576069][ T4398] should_fail_ex+0x1bc/0x1e0 [ 421.576994][ T4398] __should_failslab+0x64/0x78 [ 421.578022][ T4398] should_failslab+0x10/0x28 [ 421.578928][ T4398] slab_pre_alloc_hook+0x54/0x1f4 [ 421.580127][ T4398] kmem_cache_alloc_lru+0x60/0x2ac [ 421.581302][ T4398] alloc_inode+0x7c/0x104 [ 421.582166][ T4398] new_inode+0x2c/0xc0 [ 421.583038][ T4398] debugfs_create_dir+0x98/0x1e0 [ 421.584073][ T4398] nbd_start_device+0x1b4/0x510 [ 421.585009][ T4398] nbd_ioctl+0x228/0x66c [ 421.586001][ T4398] blkdev_ioctl+0x218/0x664 [ 421.586979][ T4398] __arm64_sys_ioctl+0xd0/0x148 [ 421.588065][ T4398] invoke_syscall+0x64/0x174 [ 421.589108][ T4398] el0_svc_common+0xb8/0x174 [ 421.589969][ T4398] do_el0_svc+0x3c/0xec [ 421.590884][ T4398] el0_svc+0x34/0x110 [ 421.591692][ T4398] el0t_64_sync_handler+0x84/0xf0 [ 421.592756][ T4398] el0t_64_sync+0x18c/0x190 [ 421.593765][ T4398] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.595430][ T4398] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.724205][ T4398] block nbd0: shutting down sockets [ 421.814988][ T4400] FAULT_INJECTION: forcing a failure. [ 421.814988][ T4400] name failslab, interval 1, probability 0, space 0, times 0 [ 421.817643][ T4400] CPU: 1 PID: 4400 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 421.819656][ T4400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 421.821752][ T4400] Call trace: [ 421.822381][ T4400] dump_backtrace+0x1c8/0x1f4 [ 421.823352][ T4400] show_stack+0x2c/0x3c [ 421.824340][ T4400] dump_stack_lvl+0xc0/0x104 [ 421.825280][ T4400] dump_stack+0x1c/0x50 [ 421.826144][ T4400] should_fail_ex+0x1bc/0x1e0 [ 421.827143][ T4400] __should_failslab+0x64/0x78 [ 421.828088][ T4400] should_failslab+0x10/0x28 [ 421.829089][ T4400] slab_pre_alloc_hook+0x54/0x1f4 [ 421.830208][ T4400] kmem_cache_alloc_lru+0x60/0x2ac [ 421.831639][ T4400] alloc_inode+0x7c/0x104 [ 421.832681][ T4400] new_inode+0x2c/0xc0 [ 421.833569][ T4400] debugfs_create_dir+0x98/0x1e0 [ 421.834682][ T4400] nbd_start_device+0x1b4/0x510 [ 421.835836][ T4400] nbd_ioctl+0x228/0x66c [ 421.836780][ T4400] blkdev_ioctl+0x218/0x664 [ 421.837762][ T4400] __arm64_sys_ioctl+0xd0/0x148 [ 421.838821][ T4400] invoke_syscall+0x64/0x174 [ 421.839795][ T4400] el0_svc_common+0xb8/0x174 [ 421.840707][ T4400] do_el0_svc+0x3c/0xec [ 421.841516][ T4400] el0_svc+0x34/0x110 [ 421.842425][ T4400] el0t_64_sync_handler+0x84/0xf0 [ 421.843406][ T4400] el0t_64_sync+0x18c/0x190 [ 421.844590][ T4400] debugfs: out of free dentries, can not create directory 'nbd0' [ 421.846291][ T4400] block nbd0: Failed to create debugfs dir for 'nbd0' [ 421.973976][ T4400] block nbd0: shutting down sockets [ 422.094787][ T4403] block nbd0: Device being setup by another task [ 422.136440][ T4402] FAULT_INJECTION: forcing a failure. [ 422.136440][ T4402] name failslab, interval 1, probability 0, space 0, times 0 [ 422.139260][ T4402] CPU: 1 PID: 4402 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 422.141413][ T4402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.143425][ T4402] Call trace: [ 422.144178][ T4402] dump_backtrace+0x1c8/0x1f4 [ 422.145294][ T4402] show_stack+0x2c/0x3c [ 422.146125][ T4402] dump_stack_lvl+0xc0/0x104 [ 422.147059][ T4402] dump_stack+0x1c/0x50 [ 422.147919][ T4402] should_fail_ex+0x1bc/0x1e0 [ 422.148817][ T4402] __should_failslab+0x64/0x78 [ 422.149813][ T4402] should_failslab+0x10/0x28 [ 422.150728][ T4402] __kmem_cache_alloc_node+0x6c/0x348 [ 422.151938][ T4402] __kmalloc_node_track_caller+0x84/0xc0 [ 422.153161][ T4402] kstrdup_const+0x90/0xdc [ 422.154096][ T4402] __kernfs_new_node+0x5c/0x2e8 [ 422.155117][ T4402] kernfs_create_dir_ns+0xac/0x188 [ 422.156167][ T4402] sysfs_create_dir_ns+0x8c/0x168 [ 422.157135][ T4402] kobject_add_internal+0x314/0x64c [ 422.158231][ T4402] kobject_add+0xb8/0x130 [ 422.159093][ T4402] blk_mq_register_hctx+0x54/0x184 [ 422.160322][ T4402] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 422.161609][ T4402] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 422.162897][ T4402] nbd_start_device+0xc4/0x510 [ 422.163881][ T4402] nbd_ioctl+0x228/0x66c [ 422.164786][ T4402] blkdev_ioctl+0x218/0x664 [ 422.165686][ T4402] __arm64_sys_ioctl+0xd0/0x148 [ 422.166754][ T4402] invoke_syscall+0x64/0x174 [ 422.167892][ T4402] el0_svc_common+0xb8/0x174 [ 422.168854][ T4402] do_el0_svc+0x3c/0xec [ 422.169729][ T4402] el0_svc+0x34/0x110 [ 422.170556][ T4402] el0t_64_sync_handler+0x84/0xf0 [ 422.171544][ T4402] el0t_64_sync+0x18c/0x190 [ 422.172602][ T4402] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 422.243944][ T4402] block nbd0: shutting down sockets [ 422.376053][ T4405] ------------[ cut here ]------------ [ 422.377219][ T4405] kernfs: can not remove 'nr_tags', no directory [ 422.378608][ T4405] WARNING: CPU: 0 PID: 4405 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.380493][ T4405] Modules linked in: [ 422.381504][ T4405] CPU: 0 PID: 4405 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 422.383614][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.385642][ T4405] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.387272][ T4405] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.388488][ T4405] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.389673][ T4405] sp : ffff80000df43ac0 [ 422.390584][ T4405] x29: ffff80000df43ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 422.392207][ T4405] x26: ffff0000c6713108 x25: ffff80000df43be8 x24: ffff0001ffa78000 [ 422.393837][ T4405] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 422.395498][ T4405] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.397247][ T4405] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 422.398925][ T4405] x14: 0000000000000000 x13: 205d353034345420 x12: ffff80000d1c5000 [ 422.400714][ T4405] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bd70ecd67f0d4500 [ 422.402676][ T4405] x8 : bd70ecd67f0d4500 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 422.404480][ T4405] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.406244][ T4405] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.407965][ T4405] Call trace: [ 422.408617][ T4405] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.409837][ T4405] sysfs_remove_group+0x68/0x160 [ 422.410812][ T4405] sysfs_remove_groups+0x3c/0x78 [ 422.411833][ T4405] __kobject_del+0x34/0x134 [ 422.412812][ T4405] kobject_del+0x2c/0x4c [ 422.413665][ T4405] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.414914][ T4405] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.416306][ T4405] nbd_start_device+0xc4/0x510 [ 422.417260][ T4405] nbd_ioctl+0x228/0x66c [ 422.418192][ T4405] blkdev_ioctl+0x218/0x664 [ 422.419165][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 422.420285][ T4405] invoke_syscall+0x64/0x174 [ 422.421327][ T4405] el0_svc_common+0xb8/0x174 [ 422.422332][ T4405] do_el0_svc+0x3c/0xec [ 422.423236][ T4405] el0_svc+0x34/0x110 [ 422.424038][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 422.425122][ T4405] el0t_64_sync+0x18c/0x190 [ 422.426175][ T4405] ---[ end trace 0000000000000000 ]--- [ 422.427365][ T4405] ------------[ cut here ]------------ [ 422.428474][ T4405] kernfs: can not remove 'nr_reserved_tags', no directory [ 422.430101][ T4405] WARNING: CPU: 0 PID: 4405 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.432130][ T4405] Modules linked in: [ 422.432922][ T4405] CPU: 0 PID: 4405 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 422.435088][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.437265][ T4405] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.438982][ T4405] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.440160][ T4405] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.441421][ T4405] sp : ffff80000df43ac0 [ 422.442336][ T4405] x29: ffff80000df43ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 422.443978][ T4405] x26: ffff0000c6713108 x25: ffff80000df43be8 x24: ffff0001ffa78000 [ 422.445683][ T4405] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 422.447373][ T4405] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.449089][ T4405] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 422.450660][ T4405] x14: 0000000000000000 x13: 205d353034345420 x12: ffff80000d1c5000 [ 422.452276][ T4405] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bd70ecd67f0d4500 [ 422.453806][ T4405] x8 : bd70ecd67f0d4500 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 422.455672][ T4405] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.457418][ T4405] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.459206][ T4405] Call trace: [ 422.459925][ T4405] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.461225][ T4405] sysfs_remove_group+0x68/0x160 [ 422.462247][ T4405] sysfs_remove_groups+0x3c/0x78 [ 422.463449][ T4405] __kobject_del+0x34/0x134 [ 422.464369][ T4405] kobject_del+0x2c/0x4c [ 422.465347][ T4405] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.466578][ T4405] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.467719][ T4405] nbd_start_device+0xc4/0x510 [ 422.468818][ T4405] nbd_ioctl+0x228/0x66c [ 422.469711][ T4405] blkdev_ioctl+0x218/0x664 [ 422.470786][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 422.471892][ T4405] invoke_syscall+0x64/0x174 [ 422.472856][ T4405] el0_svc_common+0xb8/0x174 [ 422.473800][ T4405] do_el0_svc+0x3c/0xec [ 422.474737][ T4405] el0_svc+0x34/0x110 [ 422.475602][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 422.476633][ T4405] el0t_64_sync+0x18c/0x190 [ 422.477533][ T4405] ---[ end trace 0000000000000000 ]--- [ 422.478783][ T4405] ------------[ cut here ]------------ [ 422.480011][ T4405] kernfs: can not remove 'cpu_list', no directory [ 422.481369][ T4405] WARNING: CPU: 0 PID: 4405 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 422.483528][ T4405] Modules linked in: [ 422.484293][ T4405] CPU: 0 PID: 4405 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 422.486354][ T4405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.488636][ T4405] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 422.490260][ T4405] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 422.491437][ T4405] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 422.492730][ T4405] sp : ffff80000df43ac0 [ 422.493679][ T4405] x29: ffff80000df43ac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 422.495421][ T4405] x26: ffff0000c6713108 x25: ffff80000df43be8 x24: ffff0001ffa78000 [ 422.497160][ T4405] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 422.498793][ T4405] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 422.500526][ T4405] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 422.502150][ T4405] x14: 0000000000000000 x13: 205d353034345420 x12: ffff80000d1c5000 [ 422.503717][ T4405] x11: 0000000000ff0100 x10: 0000000000000000 x9 : bd70ecd67f0d4500 [ 422.505450][ T4405] x8 : bd70ecd67f0d4500 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 422.507275][ T4405] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 422.509013][ T4405] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 422.510744][ T4405] Call trace: [ 422.511475][ T4405] kernfs_remove_by_name_ns+0xb4/0x110 [ 422.512655][ T4405] sysfs_remove_group+0x68/0x160 [ 422.513682][ T4405] sysfs_remove_groups+0x3c/0x78 [ 422.515061][ T4405] __kobject_del+0x34/0x134 [ 422.516055][ T4405] kobject_del+0x2c/0x4c [ 422.517049][ T4405] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 422.518348][ T4405] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 422.519570][ T4405] nbd_start_device+0xc4/0x510 [ 422.520643][ T4405] nbd_ioctl+0x228/0x66c [ 422.521597][ T4405] blkdev_ioctl+0x218/0x664 [ 422.522633][ T4405] __arm64_sys_ioctl+0xd0/0x148 [ 422.523816][ T4405] invoke_syscall+0x64/0x174 [ 422.524892][ T4405] el0_svc_common+0xb8/0x174 [ 422.525910][ T4405] do_el0_svc+0x3c/0xec [ 422.526816][ T4405] el0_svc+0x34/0x110 [ 422.527678][ T4405] el0t_64_sync_handler+0x84/0xf0 [ 422.528799][ T4405] el0t_64_sync+0x18c/0x190 [ 422.529749][ T4405] ---[ end trace 0000000000000000 ]--- [ 422.533085][ T4405] block nbd0: shutting down sockets [ 422.624938][ T4407] FAULT_INJECTION: forcing a failure. [ 422.624938][ T4407] name failslab, interval 1, probability 0, space 0, times 0 [ 422.627623][ T4407] CPU: 0 PID: 4407 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 422.629718][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.631677][ T4407] Call trace: [ 422.632339][ T4407] dump_backtrace+0x1c8/0x1f4 [ 422.633256][ T4407] show_stack+0x2c/0x3c [ 422.634090][ T4407] dump_stack_lvl+0xc0/0x104 [ 422.635083][ T4407] dump_stack+0x1c/0x50 [ 422.635934][ T4407] should_fail_ex+0x1bc/0x1e0 [ 422.636947][ T4407] __should_failslab+0x64/0x78 [ 422.637920][ T4407] should_failslab+0x10/0x28 [ 422.638833][ T4407] slab_pre_alloc_hook+0x54/0x1f4 [ 422.639921][ T4407] kmem_cache_alloc_lru+0x60/0x2ac [ 422.641017][ T4407] alloc_inode+0x7c/0x104 [ 422.641962][ T4407] new_inode+0x2c/0xc0 [ 422.642752][ T4407] debugfs_create_dir+0x98/0x1e0 [ 422.643712][ T4407] nbd_start_device+0x1b4/0x510 [ 422.644791][ T4407] nbd_ioctl+0x228/0x66c [ 422.645727][ T4407] blkdev_ioctl+0x218/0x664 [ 422.646599][ T4407] __arm64_sys_ioctl+0xd0/0x148 [ 422.647600][ T4407] invoke_syscall+0x64/0x174 [ 422.648531][ T4407] el0_svc_common+0xb8/0x174 [ 422.649607][ T4407] do_el0_svc+0x3c/0xec [ 422.650519][ T4407] el0_svc+0x34/0x110 [ 422.651330][ T4407] el0t_64_sync_handler+0x84/0xf0 [ 422.652486][ T4407] el0t_64_sync+0x18c/0x190 [ 422.653693][ T4407] debugfs: out of free dentries, can not create directory 'nbd0' [ 422.655354][ T4407] block nbd0: Failed to create debugfs dir for 'nbd0' [ 422.784096][ T4407] block nbd0: shutting down sockets [ 422.894775][ T4410] block nbd0: Device being setup by another task [ 422.937172][ T4409] FAULT_INJECTION: forcing a failure. [ 422.937172][ T4409] name failslab, interval 1, probability 0, space 0, times 0 [ 422.939762][ T4409] CPU: 1 PID: 4409 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 422.941897][ T4409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.943909][ T4409] Call trace: [ 422.944515][ T4409] dump_backtrace+0x1c8/0x1f4 [ 422.945609][ T4409] show_stack+0x2c/0x3c [ 422.946457][ T4409] dump_stack_lvl+0xc0/0x104 [ 422.947412][ T4409] dump_stack+0x1c/0x50 [ 422.948301][ T4409] should_fail_ex+0x1bc/0x1e0 [ 422.949396][ T4409] __should_failslab+0x64/0x78 [ 422.950365][ T4409] should_failslab+0x10/0x28 [ 422.951334][ T4409] __kmem_cache_alloc_node+0x6c/0x348 [ 422.952406][ T4409] __kmalloc_node_track_caller+0x84/0xc0 [ 422.953593][ T4409] kstrdup_const+0x90/0xdc [ 422.954456][ T4409] __kernfs_new_node+0x5c/0x2e8 [ 422.955492][ T4409] kernfs_create_dir_ns+0xac/0x188 [ 422.956599][ T4409] sysfs_create_dir_ns+0x8c/0x168 [ 422.957684][ T4409] kobject_add_internal+0x314/0x64c [ 422.958892][ T4409] kobject_add+0xb8/0x130 [ 422.959934][ T4409] blk_mq_register_hctx+0x54/0x184 [ 422.961005][ T4409] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 422.962287][ T4409] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 422.963544][ T4409] nbd_start_device+0xc4/0x510 [ 422.964610][ T4409] nbd_ioctl+0x228/0x66c [ 422.965633][ T4409] blkdev_ioctl+0x218/0x664 [ 422.966588][ T4409] __arm64_sys_ioctl+0xd0/0x148 [ 422.967533][ T4409] invoke_syscall+0x64/0x174 [ 422.968555][ T4409] el0_svc_common+0xb8/0x174 [ 422.969479][ T4409] do_el0_svc+0x3c/0xec [ 422.970363][ T4409] el0_svc+0x34/0x110 [ 422.971240][ T4409] el0t_64_sync_handler+0x84/0xf0 [ 422.972333][ T4409] el0t_64_sync+0x18c/0x190 [ 422.973220][ T4409] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 423.051468][ T4409] block nbd0: shutting down sockets [ 423.176441][ T4412] ------------[ cut here ]------------ [ 423.177609][ T4412] kernfs: can not remove 'nr_tags', no directory [ 423.179187][ T4412] WARNING: CPU: 0 PID: 4412 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 423.181408][ T4412] Modules linked in: [ 423.182122][ T4412] CPU: 0 PID: 4412 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 423.184200][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.186284][ T4412] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 423.188022][ T4412] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 423.189161][ T4412] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 423.190263][ T4412] sp : ffff80000df3bac0 [ 423.191082][ T4412] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 423.192801][ T4412] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa88000 [ 423.194454][ T4412] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 423.196239][ T4412] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 423.197822][ T4412] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 423.199666][ T4412] x14: 0000000000000000 x13: 205d323134345420 x12: ffff80000d1c5000 [ 423.201451][ T4412] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c379c9f1ad05b700 [ 423.203402][ T4412] x8 : c379c9f1ad05b700 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 423.205017][ T4412] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 423.206596][ T4412] x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000 [ 423.208379][ T4412] Call trace: [ 423.209150][ T4412] kernfs_remove_by_name_ns+0xb4/0x110 [ 423.210222][ T4412] sysfs_remove_group+0x68/0x160 [ 423.211288][ T4412] sysfs_remove_groups+0x3c/0x78 [ 423.212268][ T4412] __kobject_del+0x34/0x134 [ 423.213131][ T4412] kobject_del+0x2c/0x4c [ 423.213969][ T4412] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 423.215207][ T4412] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 423.216364][ T4412] nbd_start_device+0xc4/0x510 [ 423.217307][ T4412] nbd_ioctl+0x228/0x66c [ 423.218189][ T4412] blkdev_ioctl+0x218/0x664 [ 423.219157][ T4412] __arm64_sys_ioctl+0xd0/0x148 [ 423.220085][ T4412] invoke_syscall+0x64/0x174 [ 423.221090][ T4412] el0_svc_common+0xb8/0x174 [ 423.222010][ T4412] do_el0_svc+0x3c/0xec [ 423.222896][ T4412] el0_svc+0x34/0x110 [ 423.223765][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 423.224877][ T4412] el0t_64_sync+0x18c/0x190 [ 423.225817][ T4412] ---[ end trace 0000000000000000 ]--- [ 423.227040][ T4412] ------------[ cut here ]------------ [ 423.228228][ T4412] kernfs: can not remove 'nr_reserved_tags', no directory [ 423.229826][ T4412] WARNING: CPU: 0 PID: 4412 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 423.231719][ T4412] Modules linked in: [ 423.232552][ T4412] CPU: 0 PID: 4412 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 423.234694][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.236877][ T4412] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 423.238655][ T4412] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 423.239983][ T4412] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 423.241296][ T4412] sp : ffff80000df3bac0 [ 423.242359][ T4412] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 423.244127][ T4412] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa88000 [ 423.245799][ T4412] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 423.247477][ T4412] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 423.249185][ T4412] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 423.251020][ T4412] x14: 0000000000000000 x13: 205d323134345420 x12: ffff80000d1c5000 [ 423.252606][ T4412] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c379c9f1ad05b700 [ 423.254228][ T4412] x8 : c379c9f1ad05b700 x7 : 0000000000000000 x6 : ffff80000ae33bfc [ 423.255949][ T4412] x5 : 0000000000000000 x4 : 0000000000000080 x3 : ffff0001fe9dee68 [ 423.257560][ T4412] x2 : ffff0001fe9dee68 x1 : ffff80000b9d9d89 x0 : 0000000000000001 [ 423.259151][ T4412] Call trace: [ 423.259868][ T4412] kernfs_remove_by_name_ns+0xb4/0x110 [ 423.261052][ T4412] sysfs_remove_group+0x68/0x160 [ 423.262149][ T4412] sysfs_remove_groups+0x3c/0x78 [ 423.263194][ T4412] __kobject_del+0x34/0x134 [ 423.264238][ T4412] kobject_del+0x2c/0x4c [ 423.265162][ T4412] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 423.266360][ T4412] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 423.267630][ T4412] nbd_start_device+0xc4/0x510 [ 423.268652][ T4412] nbd_ioctl+0x228/0x66c [ 423.269579][ T4412] blkdev_ioctl+0x218/0x664 [ 423.270522][ T4412] __arm64_sys_ioctl+0xd0/0x148 [ 423.271472][ T4412] invoke_syscall+0x64/0x174 [ 423.272529][ T4412] el0_svc_common+0xb8/0x174 [ 423.273588][ T4412] do_el0_svc+0x3c/0xec [ 423.274406][ T4412] el0_svc+0x34/0x110 [ 423.275263][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 423.276417][ T4412] el0t_64_sync+0x18c/0x190 [ 423.277408][ T4412] ---[ end trace 0000000000000000 ]--- [ 423.278601][ T4412] ------------[ cut here ]------------ [ 423.279747][ T4412] kernfs: can not remove 'cpu_list', no directory [ 423.281114][ T4412] WARNING: CPU: 0 PID: 4412 at fs/kernfs/dir.c:1656 kernfs_remove_by_name_ns+0xb4/0x110 [ 423.283126][ T4412] Modules linked in: [ 423.283946][ T4412] CPU: 0 PID: 4412 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 423.286006][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.288056][ T4412] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 423.289803][ T4412] pc : kernfs_remove_by_name_ns+0xb4/0x110 [ 423.291019][ T4412] lr : kernfs_remove_by_name_ns+0xb0/0x110 [ 423.292215][ T4412] sp : ffff80000df3bac0 [ 423.293113][ T4412] x29: ffff80000df3bac0 x28: ffff80000bd09000 x27: ffff0000c6713108 [ 423.294883][ T4412] x26: ffff0000c6713108 x25: ffff80000df3bbe8 x24: ffff0001ffa88000 [ 423.296525][ T4412] x23: ffff0000c5d08000 x22: 0000000000000000 x21: 0000000000000000 [ 423.298175][ T4412] x20: 00000000fffffffe x19: 0000000000000000 x18: 0000000000000000 [ 423.299983][ T4412] x17: ffff80000d401688 x16: 0000000000001178 x15: 0000000000000000 [ 423.301699][ T4412] x14: 0000000000000000 x13: 205d323134345420 x12: ffff80000d1c5000 [ 423.303561][ T4412] x11: 0000000000ff0100 x10: 0000000000000000 x9 : c379c9f1ad05b700 [ 423.305247][ T4412] x8 : c379c9f1ad05b700 x7 : 0000000000000000 x6 : ffff80000ae38230 [ 423.306847][ T4412] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 423.308632][ T4412] x2 : ffff0001fe9d3ba8 x1 : 0000000100000000 x0 : 0000000000000000 [ 423.310488][ T4412] Call trace: [ 423.311209][ T4412] kernfs_remove_by_name_ns+0xb4/0x110 [ 423.312340][ T4412] sysfs_remove_group+0x68/0x160 [ 423.313348][ T4412] sysfs_remove_groups+0x3c/0x78 [ 423.314491][ T4412] __kobject_del+0x34/0x134 [ 423.315513][ T4412] kobject_del+0x2c/0x4c [ 423.316421][ T4412] blk_mq_sysfs_unregister_hctxs+0xc4/0x13c [ 423.317828][ T4412] blk_mq_update_nr_hw_queues+0x24c/0x6c8 [ 423.318983][ T4412] nbd_start_device+0xc4/0x510 [ 423.319992][ T4412] nbd_ioctl+0x228/0x66c [ 423.320897][ T4412] blkdev_ioctl+0x218/0x664 [ 423.321842][ T4412] __arm64_sys_ioctl+0xd0/0x148 [ 423.322981][ T4412] invoke_syscall+0x64/0x174 [ 423.324059][ T4412] el0_svc_common+0xb8/0x174 [ 423.325063][ T4412] do_el0_svc+0x3c/0xec [ 423.325971][ T4412] el0_svc+0x34/0x110 [ 423.326767][ T4412] el0t_64_sync_handler+0x84/0xf0 [ 423.327812][ T4412] el0t_64_sync+0x18c/0x190 [ 423.328770][ T4412] ---[ end trace 0000000000000000 ]--- [ 423.337945][ T4412] block nbd0: shutting down sockets [ 423.434993][ T4414] FAULT_INJECTION: forcing a failure. [ 423.434993][ T4414] name failslab, interval 1, probability 0, space 0, times 0 [ 423.437795][ T4414] CPU: 0 PID: 4414 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 423.439895][ T4414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.441837][ T4414] Call trace: [ 423.442570][ T4414] dump_backtrace+0x1c8/0x1f4 [ 423.443534][ T4414] show_stack+0x2c/0x3c [ 423.444409][ T4414] dump_stack_lvl+0xc0/0x104 [ 423.445404][ T4414] dump_stack+0x1c/0x50 [ 423.446328][ T4414] should_fail_ex+0x1bc/0x1e0 [ 423.447260][ T4414] __should_failslab+0x64/0x78 [ 423.448349][ T4414] should_failslab+0x10/0x28 [ 423.449388][ T4414] slab_pre_alloc_hook+0x54/0x1f4 [ 423.450484][ T4414] kmem_cache_alloc_lru+0x60/0x2ac [ 423.451589][ T4414] alloc_inode+0x7c/0x104 [ 423.452512][ T4414] new_inode+0x2c/0xc0 [ 423.453389][ T4414] debugfs_create_dir+0x98/0x1e0 [ 423.454395][ T4414] nbd_start_device+0x1b4/0x510 [ 423.455452][ T4414] nbd_ioctl+0x228/0x66c [ 423.456441][ T4414] blkdev_ioctl+0x218/0x664 [ 423.457372][ T4414] __arm64_sys_ioctl+0xd0/0x148 [ 423.458315][ T4414] invoke_syscall+0x64/0x174 [ 423.459251][ T4414] el0_svc_common+0xb8/0x174 [ 423.460299][ T4414] do_el0_svc+0x3c/0xec [ 423.461174][ T4414] el0_svc+0x34/0x110 [ 423.461992][ T4414] el0t_64_sync_handler+0x84/0xf0 [ 423.462950][ T4414] el0t_64_sync+0x18c/0x190 [ 423.464147][ T4414] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.465787][ T4414] block nbd0: Failed to create debugfs dir for 'nbd0' [ 423.594052][ T4414] block nbd0: shutting down sockets [ 423.675025][ T4416] FAULT_INJECTION: forcing a failure. [ 423.675025][ T4416] name failslab, interval 1, probability 0, space 0, times 0 [ 423.677701][ T4416] CPU: 0 PID: 4416 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 423.679948][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.682142][ T4416] Call trace: [ 423.682925][ T4416] dump_backtrace+0x1c8/0x1f4 [ 423.683968][ T4416] show_stack+0x2c/0x3c [ 423.684838][ T4416] dump_stack_lvl+0xc0/0x104 [ 423.685703][ T4416] dump_stack+0x1c/0x50 [ 423.686641][ T4416] should_fail_ex+0x1bc/0x1e0 [ 423.687525][ T4416] __should_failslab+0x64/0x78 [ 423.688506][ T4416] should_failslab+0x10/0x28 [ 423.689453][ T4416] slab_pre_alloc_hook+0x54/0x1f4 [ 423.690502][ T4416] kmem_cache_alloc_lru+0x60/0x2ac [ 423.691676][ T4416] alloc_inode+0x7c/0x104 [ 423.692675][ T4416] new_inode+0x2c/0xc0 [ 423.693645][ T4416] debugfs_create_dir+0x98/0x1e0 [ 423.694753][ T4416] nbd_start_device+0x1b4/0x510 [ 423.695692][ T4416] nbd_ioctl+0x228/0x66c [ 423.696604][ T4416] blkdev_ioctl+0x218/0x664 [ 423.697565][ T4416] __arm64_sys_ioctl+0xd0/0x148 [ 423.698516][ T4416] invoke_syscall+0x64/0x174 [ 423.699455][ T4416] el0_svc_common+0xb8/0x174 [ 423.700366][ T4416] do_el0_svc+0x3c/0xec [ 423.701266][ T4416] el0_svc+0x34/0x110 [ 423.702176][ T4416] el0t_64_sync_handler+0x84/0xf0 [ 423.703241][ T4416] el0t_64_sync+0x18c/0x190 [ 423.704143][ T4416] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.705743][ T4416] block nbd0: Failed to create debugfs dir for 'nbd0' [ 423.834842][ T4416] block nbd0: shutting down sockets [ 423.924985][ T4418] FAULT_INJECTION: forcing a failure. [ 423.924985][ T4418] name failslab, interval 1, probability 0, space 0, times 0 [ 423.927684][ T4418] CPU: 0 PID: 4418 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 423.929728][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.931821][ T4418] Call trace: [ 423.932541][ T4418] dump_backtrace+0x1c8/0x1f4 [ 423.933541][ T4418] show_stack+0x2c/0x3c [ 423.934320][ T4418] dump_stack_lvl+0xc0/0x104 [ 423.935208][ T4418] dump_stack+0x1c/0x50 [ 423.936151][ T4418] should_fail_ex+0x1bc/0x1e0 [ 423.937174][ T4418] __should_failslab+0x64/0x78 [ 423.938158][ T4418] should_failslab+0x10/0x28 [ 423.939146][ T4418] slab_pre_alloc_hook+0x54/0x1f4 [ 423.940297][ T4418] kmem_cache_alloc_lru+0x60/0x2ac [ 423.941327][ T4418] alloc_inode+0x7c/0x104 [ 423.942203][ T4418] new_inode+0x2c/0xc0 [ 423.943088][ T4418] debugfs_create_dir+0x98/0x1e0 [ 423.944195][ T4418] nbd_start_device+0x1b4/0x510 [ 423.945265][ T4418] nbd_ioctl+0x228/0x66c [ 423.946262][ T4418] blkdev_ioctl+0x218/0x664 [ 423.947198][ T4418] __arm64_sys_ioctl+0xd0/0x148 [ 423.948161][ T4418] invoke_syscall+0x64/0x174 [ 423.949143][ T4418] el0_svc_common+0xb8/0x174 [ 423.950145][ T4418] do_el0_svc+0x3c/0xec [ 423.951069][ T4418] el0_svc+0x34/0x110 [ 423.951872][ T4418] el0t_64_sync_handler+0x84/0xf0 [ 423.952905][ T4418] el0t_64_sync+0x18c/0x190 [ 423.954149][ T4418] debugfs: out of free dentries, can not create directory 'nbd0' [ 423.955784][ T4418] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.084535][ T4418] block nbd0: shutting down sockets [ 424.175009][ T4420] FAULT_INJECTION: forcing a failure. [ 424.175009][ T4420] name failslab, interval 1, probability 0, space 0, times 0 [ 424.177887][ T4420] CPU: 0 PID: 4420 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 424.179913][ T4420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 424.182092][ T4420] Call trace: [ 424.182763][ T4420] dump_backtrace+0x1c8/0x1f4 [ 424.183747][ T4420] show_stack+0x2c/0x3c [ 424.184614][ T4420] dump_stack_lvl+0xc0/0x104 [ 424.185581][ T4420] dump_stack+0x1c/0x50 [ 424.186476][ T4420] should_fail_ex+0x1bc/0x1e0 [ 424.187472][ T4420] __should_failslab+0x64/0x78 [ 424.188477][ T4420] should_failslab+0x10/0x28 [ 424.189438][ T4420] slab_pre_alloc_hook+0x54/0x1f4 [ 424.190571][ T4420] kmem_cache_alloc_lru+0x60/0x2ac [ 424.191672][ T4420] alloc_inode+0x7c/0x104 [ 424.192548][ T4420] new_inode+0x2c/0xc0 [ 424.193464][ T4420] debugfs_create_dir+0x98/0x1e0 [ 424.194516][ T4420] nbd_start_device+0x1b4/0x510 [ 424.195637][ T4420] nbd_ioctl+0x228/0x66c [ 424.196544][ T4420] blkdev_ioctl+0x218/0x664 [ 424.197455][ T4420] __arm64_sys_ioctl+0xd0/0x148 [ 424.198583][ T4420] invoke_syscall+0x64/0x174 [ 424.199520][ T4420] el0_svc_common+0xb8/0x174 [ 424.200589][ T4420] do_el0_svc+0x3c/0xec [ 424.201406][ T4420] el0_svc+0x34/0x110 [ 424.202259][ T4420] el0t_64_sync_handler+0x84/0xf0 [ 424.203441][ T4420] el0t_64_sync+0x18c/0x190 [ 424.204660][ T4420] debugfs: out of free dentries, can not create directory 'nbd0' [ 424.206316][ T4420] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.332873][ T4420] block nbd0: shutting down sockets [ 424.454760][ T4423] block nbd0: Device being setup by another task [ 424.496959][ T4422] FAULT_INJECTION: forcing a failure. [ 424.496959][ T4422] name failslab, interval 1, probability 0, space 0, times 0 [ 424.499826][ T4422] CPU: 0 PID: 4422 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 424.501729][ T4422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 424.503806][ T4422] Call trace: [ 424.504614][ T4422] dump_backtrace+0x1c8/0x1f4 [ 424.505612][ T4422] show_stack+0x2c/0x3c [ 424.506572][ T4422] dump_stack_lvl+0xc0/0x104 [ 424.507570][ T4422] dump_stack+0x1c/0x50 [ 424.508510][ T4422] should_fail_ex+0x1bc/0x1e0 [ 424.509449][ T4422] __should_failslab+0x64/0x78 [ 424.510412][ T4422] should_failslab+0x10/0x28 [ 424.511424][ T4422] __kmem_cache_alloc_node+0x6c/0x348 [ 424.512593][ T4422] __kmalloc_node_track_caller+0x84/0xc0 [ 424.513771][ T4422] kstrdup_const+0x90/0xdc [ 424.514839][ T4422] __kernfs_new_node+0x5c/0x2e8 [ 424.515859][ T4422] kernfs_create_dir_ns+0xac/0x188 [ 424.516983][ T4422] sysfs_create_dir_ns+0x8c/0x168 [ 424.518011][ T4422] kobject_add_internal+0x314/0x64c [ 424.519125][ T4422] kobject_add+0xb8/0x130 [ 424.520166][ T4422] blk_mq_register_hctx+0x54/0x184 [ 424.521181][ T4422] blk_mq_sysfs_register_hctxs+0x80/0x110 [ 424.522346][ T4422] blk_mq_update_nr_hw_queues+0x4d0/0x6c8 [ 424.523555][ T4422] nbd_start_device+0xc4/0x510 [ 424.524644][ T4422] nbd_ioctl+0x228/0x66c [ 424.525481][ T4422] blkdev_ioctl+0x218/0x664 [ 424.526378][ T4422] __arm64_sys_ioctl+0xd0/0x148 [ 424.527403][ T4422] invoke_syscall+0x64/0x174 [ 424.528413][ T4422] el0_svc_common+0xb8/0x174 [ 424.529472][ T4422] do_el0_svc+0x3c/0xec [ 424.530289][ T4422] el0_svc+0x34/0x110 [ 424.531088][ T4422] el0t_64_sync_handler+0x84/0xf0 [ 424.532116][ T4422] el0t_64_sync+0x18c/0x190 [ 424.533142][ T4422] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 424.603146][ T4422] block nbd0: shutting down sockets [ 424.724718][ T4426] block nbd0: Device being setup by another task [ 424.725987][ T4425] FAULT_INJECTION: forcing a failure. [ 424.725987][ T4425] name failslab, interval 1, probability 0, space 0, times 0 [ 424.728590][ T4425] CPU: 1 PID: 4425 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 424.730827][ T4425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 424.732930][ T4425] Call trace: [ 424.733625][ T4425] dump_backtrace+0x1c8/0x1f4 [ 424.734541][ T4425] show_stack+0x2c/0x3c [ 424.735465][ T4425] dump_stack_lvl+0xc0/0x104 [ 424.736390][ T4425] dump_stack+0x1c/0x50 [ 424.737285][ T4425] should_fail_ex+0x1bc/0x1e0 [ 424.738226][ T4425] __should_failslab+0x64/0x78 [ 424.739274][ T4425] should_failslab+0x10/0x28 [ 424.740322][ T4425] slab_pre_alloc_hook+0x54/0x1f4 [ 424.741371][ T4425] kmem_cache_alloc_lru+0x60/0x2ac [ 424.742402][ T4425] alloc_inode+0x7c/0x104 [ 424.743345][ T4425] new_inode+0x2c/0xc0 [ 424.744169][ T4425] debugfs_create_dir+0x98/0x1e0 [ 424.745186][ T4425] nbd_start_device+0x1b4/0x510 [ 424.746246][ T4425] nbd_ioctl+0x228/0x66c [ 424.747103][ T4425] blkdev_ioctl+0x218/0x664 [ 424.748121][ T4425] __arm64_sys_ioctl+0xd0/0x148 [ 424.749175][ T4425] invoke_syscall+0x64/0x174 [ 424.750126][ T4425] el0_svc_common+0xb8/0x174 [ 424.751186][ T4425] do_el0_svc+0x3c/0xec [ 424.752239][ T4425] el0_svc+0x34/0x110 [ 424.753139][ T4425] el0t_64_sync_handler+0x84/0xf0 [ 424.754173][ T4425] el0t_64_sync+0x18c/0x190 [ 424.755173][ T4425] debugfs: out of free dentries, can not create directory 'nbd0' [ 424.756700][ T4425] block nbd0: Failed to create debugfs dir for 'nbd0' [ 424.870390][ T4425] block nbd0: shutting down sockets [ 424.984728][ T4429] block nbd0: Device being setup by another task [ 424.986174][ T4428] FAULT_INJECTION: forcing a failure. [ 424.986174][ T4428] name failslab, interval 1, probability 0, space 0, times 0 [ 424.989235][ T4428] CPU: 1 PID: 4428 Comm: syz-executor383 Tainted: G W 6.1.120-syzkaller #0 [ 424.991254][ T4428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 424.993497][ T4428] Call trace: [ 424.994136][ T4428] dump_backtrace+0x1c8/0x1f4 [ 424.995070][ T4428] show_stack+0x2c/0x3c [ 424.995901][ T4428] dump_stack_lvl+0xc0/0x104 [ 424.996852][ T4428] dump_stack+0x1c/0x50 [ 424.997871][ T4428] should_fail_ex+0x1bc/0x1e0 [ 424.998823][ T4428] __should_failslab+0x64/0x78 [ 424.999813][ T4428] should_failslab+0x10/0x28 [ 425.000769][ T4428] slab_pre_alloc_hook+0x54/0x1f4 [ 425.001878][ T4428] kmem_cache_alloc_lru+0x60/0x2ac [ 425.003035][ T4428] alloc_inode+0x7c/0x104 [ 425.003934][ T4428] new_inode+0x2c/0xc0 [ 425.004829][ T4428] debugfs_create_dir+0x98/0x1e0 [ 425.005890][ T4428] nbd_start_device+0x1b4/0x510 [ 425.006902][ T4428] nbd_ioctl+0x228/0x66c [ 425.007804][ T4428] blkdev_ioctl+0x218/0x664 [ 425.008776][ T4428] __arm64_sys_ioctl+0xd0/0x148 [ 425.009870][ T4428] invoke_syscall+0x64/0x174 [ 425.010849][ T4428] el0_svc_common+0xb8/0x174 [ 425.011933][ T4428] do_el0_svc+0x3c/0xec [ 425.012778][ T4428] el0_svc+0x34/0x110 [ 425.013605][ T4428] el0t_64_sync_handler+0x84/0xf0 [ 425.014715][ T4428] el0t_64_sync+0x18c/0x190 [ 425.015749][ T4428] debugfs: out of free dentries, can not create directory 'nbd0' [ 425.017244][ T4428] block nbd0: Failed to create debugfs dir for 'nbd0' [ 425.137565][ T4428] block nbd0: shutting down sockets