Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. executing program [ 42.584435][ T4224] block nbd0: Device being setup by another task [ 42.587807][ T4223] FAULT_INJECTION: forcing a failure. [ 42.587807][ T4223] name failslab, interval 1, probability 0, space 0, times 1 [ 42.591124][ T4223] CPU: 0 PID: 4223 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 42.593390][ T4223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 42.596088][ T4223] Call trace: [ 42.597015][ T4223] dump_backtrace+0x1c8/0x1f4 [ 42.598302][ T4223] show_stack+0x2c/0x3c [ 42.599450][ T4223] dump_stack_lvl+0x108/0x170 [ 42.600763][ T4223] dump_stack+0x1c/0x58 [ 42.601909][ T4223] should_fail_ex+0x408/0x5d4 [ 42.603166][ T4223] __should_failslab+0xc8/0x128 [ 42.604484][ T4223] should_failslab+0x10/0x28 [ 42.605737][ T4223] __kmem_cache_alloc_node+0x80/0x388 [ 42.607212][ T4223] __kmalloc+0xc4/0x1c4 [ 42.608357][ T4223] tomoyo_init_log+0x1558/0x19c4 [ 42.609648][ T4223] tomoyo_supervisor+0x370/0x1070 [ 42.610982][ T4223] tomoyo_path_number_perm+0x498/0x688 [ 42.612488][ T4223] tomoyo_file_ioctl+0x2c/0x3c [ 42.613838][ T4223] security_file_ioctl+0x80/0xbc [ 42.615158][ T4223] __arm64_sys_ioctl+0xa8/0x1c8 [ 42.616504][ T4223] invoke_syscall+0x98/0x2c0 [ 42.617777][ T4223] el0_svc_common+0x138/0x258 [ 42.619034][ T4223] do_el0_svc+0x64/0x218 [ 42.620160][ T4223] el0_svc+0x58/0x168 [ 42.621252][ T4223] el0t_64_sync_handler+0x84/0xf0 [ 42.622617][ T4223] el0t_64_sync+0x18c/0x190 [ 42.745551][ T4223] block nbd0: shutting down sockets executing program [ 42.845155][ T4228] FAULT_INJECTION: forcing a failure. [ 42.845155][ T4228] name failslab, interval 1, probability 0, space 0, times 0 [ 42.848528][ T4228] CPU: 0 PID: 4228 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 42.850689][ T4228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 42.853396][ T4228] Call trace: [ 42.854226][ T4228] dump_backtrace+0x1c8/0x1f4 [ 42.855527][ T4228] show_stack+0x2c/0x3c [ 42.856671][ T4228] dump_stack_lvl+0x108/0x170 [ 42.857945][ T4228] dump_stack+0x1c/0x58 [ 42.859066][ T4228] should_fail_ex+0x408/0x5d4 [ 42.860282][ T4228] __should_failslab+0xc8/0x128 [ 42.861545][ T4228] should_failslab+0x10/0x28 [ 42.862744][ T4228] __kmem_cache_alloc_node+0x80/0x388 [ 42.864132][ T4228] __kmalloc+0xc4/0x1c4 [ 42.865246][ T4228] tomoyo_supervisor+0xc58/0x1070 [ 42.866578][ T4228] tomoyo_path_number_perm+0x498/0x688 [ 42.868112][ T4228] tomoyo_file_ioctl+0x2c/0x3c [ 42.869400][ T4228] security_file_ioctl+0x80/0xbc [ 42.870737][ T4228] __arm64_sys_ioctl+0xa8/0x1c8 [ 42.872056][ T4228] invoke_syscall+0x98/0x2c0 [ 42.873310][ T4228] el0_svc_common+0x138/0x258 [ 42.874571][ T4228] do_el0_svc+0x64/0x218 [ 42.875682][ T4228] el0_svc+0x58/0x168 [ 42.876761][ T4228] el0t_64_sync_handler+0x84/0xf0 [ 42.878112][ T4228] el0t_64_sync+0x18c/0x190 [ 43.006159][ T4228] block nbd0: shutting down sockets executing program [ 43.105223][ T4231] FAULT_INJECTION: forcing a failure. [ 43.105223][ T4231] name failslab, interval 1, probability 0, space 0, times 0 [ 43.108725][ T4231] CPU: 1 PID: 4231 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 43.111015][ T4231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 43.113677][ T4231] Call trace: [ 43.114557][ T4231] dump_backtrace+0x1c8/0x1f4 [ 43.115789][ T4231] show_stack+0x2c/0x3c [ 43.116931][ T4231] dump_stack_lvl+0x108/0x170 [ 43.118183][ T4231] dump_stack+0x1c/0x58 [ 43.119293][ T4231] should_fail_ex+0x408/0x5d4 [ 43.120491][ T4231] __should_failslab+0xc8/0x128 [ 43.121856][ T4231] should_failslab+0x10/0x28 [ 43.123111][ T4231] __kmem_cache_alloc_node+0x80/0x388 [ 43.124592][ T4231] __kmalloc+0xc4/0x1c4 [ 43.125722][ T4231] tomoyo_supervisor+0xc58/0x1070 [ 43.127092][ T4231] tomoyo_path_number_perm+0x498/0x688 [ 43.128528][ T4231] tomoyo_file_ioctl+0x2c/0x3c [ 43.129762][ T4231] security_file_ioctl+0x80/0xbc [ 43.131043][ T4231] __arm64_sys_ioctl+0xa8/0x1c8 [ 43.132327][ T4231] invoke_syscall+0x98/0x2c0 [ 43.133580][ T4231] el0_svc_common+0x138/0x258 [ 43.134854][ T4231] do_el0_svc+0x64/0x218 [ 43.135961][ T4231] el0_svc+0x58/0x168 [ 43.137023][ T4231] el0t_64_sync_handler+0x84/0xf0 [ 43.138390][ T4231] el0t_64_sync+0x18c/0x190 [ 43.266008][ T4231] block nbd0: shutting down sockets executing program [ 43.365190][ T4233] FAULT_INJECTION: forcing a failure. [ 43.365190][ T4233] name failslab, interval 1, probability 0, space 0, times 0 [ 43.368621][ T4233] CPU: 0 PID: 4233 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 43.370799][ T4233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 43.373543][ T4233] Call trace: [ 43.374381][ T4233] dump_backtrace+0x1c8/0x1f4 [ 43.375671][ T4233] show_stack+0x2c/0x3c [ 43.376824][ T4233] dump_stack_lvl+0x108/0x170 [ 43.378051][ T4233] dump_stack+0x1c/0x58 [ 43.379157][ T4233] should_fail_ex+0x408/0x5d4 [ 43.380383][ T4233] __should_failslab+0xc8/0x128 [ 43.381727][ T4233] should_failslab+0x10/0x28 [ 43.382976][ T4233] __kmem_cache_alloc_node+0x80/0x388 [ 43.384419][ T4233] __kmalloc+0xc4/0x1c4 [ 43.385589][ T4233] tomoyo_supervisor+0xc58/0x1070 [ 43.386945][ T4233] tomoyo_path_number_perm+0x498/0x688 [ 43.388456][ T4233] tomoyo_file_ioctl+0x2c/0x3c [ 43.389737][ T4233] security_file_ioctl+0x80/0xbc [ 43.391051][ T4233] __arm64_sys_ioctl+0xa8/0x1c8 [ 43.392365][ T4233] invoke_syscall+0x98/0x2c0 [ 43.393598][ T4233] el0_svc_common+0x138/0x258 [ 43.394874][ T4233] do_el0_svc+0x64/0x218 [ 43.396068][ T4233] el0_svc+0x58/0x168 [ 43.397173][ T4233] el0t_64_sync_handler+0x84/0xf0 [ 43.398546][ T4233] el0t_64_sync+0x18c/0x190 [ 43.525764][ T4233] block nbd0: shutting down sockets executing program [ 43.638064][ T4235] FAULT_INJECTION: forcing a failure. [ 43.638064][ T4235] name failslab, interval 1, probability 0, space 0, times 0 [ 43.641332][ T4235] CPU: 0 PID: 4235 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 43.643601][ T4235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 43.644499][ T4236] block nbd0: Device being setup by another task [ 43.646272][ T4235] Call trace: [ 43.646285][ T4235] dump_backtrace+0x1c8/0x1f4 [ 43.650125][ T4235] show_stack+0x2c/0x3c [ 43.651276][ T4235] dump_stack_lvl+0x108/0x170 [ 43.652614][ T4235] dump_stack+0x1c/0x58 [ 43.653743][ T4235] should_fail_ex+0x408/0x5d4 [ 43.655010][ T4235] __should_failslab+0xc8/0x128 [ 43.656338][ T4235] should_failslab+0x10/0x28 [ 43.657545][ T4235] __kmem_cache_alloc_node+0x80/0x388 [ 43.659031][ T4235] __kmalloc+0xc4/0x1c4 [ 43.660150][ T4235] tomoyo_supervisor+0xc58/0x1070 [ 43.661467][ T4235] tomoyo_path_number_perm+0x498/0x688 [ 43.662956][ T4235] tomoyo_file_ioctl+0x2c/0x3c [ 43.664294][ T4235] security_file_ioctl+0x80/0xbc [ 43.665666][ T4235] __arm64_sys_ioctl+0xa8/0x1c8 [ 43.666999][ T4235] invoke_syscall+0x98/0x2c0 [ 43.668175][ T4235] el0_svc_common+0x138/0x258 [ 43.669451][ T4235] do_el0_svc+0x64/0x218 [ 43.670576][ T4235] el0_svc+0x58/0x168 [ 43.671691][ T4235] el0t_64_sync_handler+0x84/0xf0 [ 43.673050][ T4235] el0t_64_sync+0x18c/0x190 [ 43.800586][ T4235] block nbd0: shutting down sockets executing program [ 43.913948][ T4240] FAULT_INJECTION: forcing a failure. [ 43.913948][ T4240] name failslab, interval 1, probability 0, space 0, times 0 [ 43.918130][ T4240] CPU: 1 PID: 4240 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 43.920411][ T4240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 43.923029][ T4240] Call trace: [ 43.923903][ T4240] dump_backtrace+0x1c8/0x1f4 [ 43.925226][ T4240] show_stack+0x2c/0x3c [ 43.926304][ T4240] dump_stack_lvl+0x108/0x170 [ 43.927625][ T4240] dump_stack+0x1c/0x58 [ 43.928769][ T4240] should_fail_ex+0x408/0x5d4 [ 43.929955][ T4240] __should_failslab+0xc8/0x128 [ 43.931189][ T4240] should_failslab+0x10/0x28 [ 43.932432][ T4240] __kmem_cache_alloc_node+0x80/0x388 [ 43.933856][ T4240] __kmalloc+0xc4/0x1c4 [ 43.934972][ T4240] tomoyo_init_log+0x1558/0x19c4 [ 43.936308][ T4240] tomoyo_supervisor+0x370/0x1070 [ 43.937666][ T4240] tomoyo_path_number_perm+0x498/0x688 [ 43.939167][ T4240] tomoyo_file_ioctl+0x2c/0x3c [ 43.940409][ T4240] security_file_ioctl+0x80/0xbc [ 43.941698][ T4240] __arm64_sys_ioctl+0xa8/0x1c8 [ 43.942977][ T4240] invoke_syscall+0x98/0x2c0 [ 43.944183][ T4240] el0_svc_common+0x138/0x258 [ 43.945471][ T4240] do_el0_svc+0x64/0x218 [ 43.946626][ T4240] el0_svc+0x58/0x168 [ 43.947659][ T4240] el0t_64_sync_handler+0x84/0xf0 [ 43.948950][ T4240] el0t_64_sync+0x18c/0x190 [ 43.984482][ T4239] block nbd0: Device being setup by another task [ 44.074893][ T4240] block nbd0: shutting down sockets executing program [ 44.165304][ T4242] FAULT_INJECTION: forcing a failure. [ 44.165304][ T4242] name failslab, interval 1, probability 0, space 0, times 0 [ 44.168650][ T4242] CPU: 1 PID: 4242 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 44.170883][ T4242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 44.173513][ T4242] Call trace: [ 44.174397][ T4242] dump_backtrace+0x1c8/0x1f4 [ 44.175672][ T4242] show_stack+0x2c/0x3c [ 44.176837][ T4242] dump_stack_lvl+0x108/0x170 [ 44.178021][ T4242] dump_stack+0x1c/0x58 [ 44.179098][ T4242] should_fail_ex+0x408/0x5d4 [ 44.180349][ T4242] __should_failslab+0xc8/0x128 [ 44.181678][ T4242] should_failslab+0x10/0x28 [ 44.182934][ T4242] __kmem_cache_alloc_node+0x80/0x388 [ 44.184365][ T4242] __kmalloc+0xc4/0x1c4 [ 44.185469][ T4242] tomoyo_supervisor+0xc58/0x1070 [ 44.186792][ T4242] tomoyo_path_number_perm+0x498/0x688 [ 44.188284][ T4242] tomoyo_file_ioctl+0x2c/0x3c [ 44.189542][ T4242] security_file_ioctl+0x80/0xbc [ 44.190813][ T4242] __arm64_sys_ioctl+0xa8/0x1c8 [ 44.192081][ T4242] invoke_syscall+0x98/0x2c0 [ 44.193289][ T4242] el0_svc_common+0x138/0x258 [ 44.194545][ T4242] do_el0_svc+0x64/0x218 [ 44.195701][ T4242] el0_svc+0x58/0x168 [ 44.196767][ T4242] el0t_64_sync_handler+0x84/0xf0 [ 44.198133][ T4242] el0t_64_sync+0x18c/0x190 [ 44.326932][ T4242] block nbd0: shutting down sockets executing program [ 44.425111][ T4244] FAULT_INJECTION: forcing a failure. [ 44.425111][ T4244] name failslab, interval 1, probability 0, space 0, times 0 [ 44.428511][ T4244] CPU: 1 PID: 4244 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 44.430826][ T4244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 44.433451][ T4244] Call trace: [ 44.434288][ T4244] dump_backtrace+0x1c8/0x1f4 [ 44.435604][ T4244] show_stack+0x2c/0x3c [ 44.436720][ T4244] dump_stack_lvl+0x108/0x170 [ 44.437994][ T4244] dump_stack+0x1c/0x58 [ 44.439127][ T4244] should_fail_ex+0x408/0x5d4 [ 44.440393][ T4244] __should_failslab+0xc8/0x128 [ 44.441699][ T4244] should_failslab+0x10/0x28 [ 44.442973][ T4244] __kmem_cache_alloc_node+0x80/0x388 [ 44.444482][ T4244] __kmalloc+0xc4/0x1c4 [ 44.445646][ T4244] tomoyo_supervisor+0xc58/0x1070 [ 44.446994][ T4244] tomoyo_path_number_perm+0x498/0x688 [ 44.448455][ T4244] tomoyo_file_ioctl+0x2c/0x3c [ 44.449747][ T4244] security_file_ioctl+0x80/0xbc [ 44.451055][ T4244] __arm64_sys_ioctl+0xa8/0x1c8 [ 44.452354][ T4244] invoke_syscall+0x98/0x2c0 [ 44.453589][ T4244] el0_svc_common+0x138/0x258 [ 44.454838][ T4244] do_el0_svc+0x64/0x218 [ 44.456002][ T4244] el0_svc+0x58/0x168 [ 44.457071][ T4244] el0t_64_sync_handler+0x84/0xf0 [ 44.458444][ T4244] el0t_64_sync+0x18c/0x190 [ 44.586599][ T4244] block nbd0: shutting down sockets executing program [ 44.699142][ T4246] FAULT_INJECTION: forcing a failure. [ 44.699142][ T4246] name failslab, interval 1, probability 0, space 0, times 0 [ 44.702606][ T4246] CPU: 1 PID: 4246 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 44.704741][ T4246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 44.707476][ T4246] Call trace: [ 44.708349][ T4246] dump_backtrace+0x1c8/0x1f4 [ 44.709581][ T4246] show_stack+0x2c/0x3c [ 44.710704][ T4246] dump_stack_lvl+0x108/0x170 [ 44.711929][ T4246] dump_stack+0x1c/0x58 [ 44.713034][ T4246] should_fail_ex+0x408/0x5d4 [ 44.714309][ T4246] __should_failslab+0xc8/0x128 [ 44.714478][ T4247] block nbd0: Device being setup by another task [ 44.715627][ T4246] should_failslab+0x10/0x28 [ 44.715643][ T4246] __kmem_cache_alloc_node+0x80/0x388 [ 44.715655][ T4246] __kmalloc+0xc4/0x1c4 [ 44.721120][ T4246] tomoyo_init_log+0x1558/0x19c4 [ 44.722467][ T4246] tomoyo_supervisor+0x370/0x1070 [ 44.723791][ T4246] tomoyo_path_number_perm+0x498/0x688 [ 44.725282][ T4246] tomoyo_file_ioctl+0x2c/0x3c [ 44.726570][ T4246] security_file_ioctl+0x80/0xbc [ 44.727914][ T4246] __arm64_sys_ioctl+0xa8/0x1c8 [ 44.729246][ T4246] invoke_syscall+0x98/0x2c0 [ 44.730505][ T4246] el0_svc_common+0x138/0x258 [ 44.731763][ T4246] do_el0_svc+0x64/0x218 [ 44.732912][ T4246] el0_svc+0x58/0x168 [ 44.734000][ T4246] el0t_64_sync_handler+0x84/0xf0 [ 44.735352][ T4246] el0t_64_sync+0x18c/0x190 [ 44.860617][ T4246] block nbd0: shutting down sockets executing program [ 44.972167][ T4249] FAULT_INJECTION: forcing a failure. [ 44.972167][ T4249] name failslab, interval 1, probability 0, space 0, times 0 [ 44.975760][ T4249] CPU: 1 PID: 4249 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 44.975768][ T4250] block nbd0: Device being setup by another task [ 44.977925][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 44.977938][ T4249] Call trace: [ 44.977943][ T4249] dump_backtrace+0x1c8/0x1f4 [ 44.984357][ T4249] show_stack+0x2c/0x3c [ 44.985548][ T4249] dump_stack_lvl+0x108/0x170 [ 44.986779][ T4249] dump_stack+0x1c/0x58 [ 44.987885][ T4249] should_fail_ex+0x408/0x5d4 [ 44.989134][ T4249] __should_failslab+0xc8/0x128 [ 44.990459][ T4249] should_failslab+0x10/0x28 [ 44.991786][ T4249] __kmem_cache_alloc_node+0x80/0x388 [ 44.993228][ T4249] __kmalloc+0xc4/0x1c4 [ 44.994363][ T4249] tomoyo_supervisor+0xc58/0x1070 [ 44.995719][ T4249] tomoyo_path_number_perm+0x498/0x688 [ 44.997168][ T4249] tomoyo_file_ioctl+0x2c/0x3c [ 44.998440][ T4249] security_file_ioctl+0x80/0xbc [ 44.999757][ T4249] __arm64_sys_ioctl+0xa8/0x1c8 [ 45.001039][ T4249] invoke_syscall+0x98/0x2c0 [ 45.002318][ T4249] el0_svc_common+0x138/0x258 [ 45.003574][ T4249] do_el0_svc+0x64/0x218 [ 45.004697][ T4249] el0_svc+0x58/0x168 [ 45.005752][ T4249] el0t_64_sync_handler+0x84/0xf0 [ 45.007087][ T4249] el0t_64_sync+0x18c/0x190 [ 45.133848][ T4249] block nbd0: shutting down sockets executing program [ 45.227540][ T4253] FAULT_INJECTION: forcing a failure. [ 45.227540][ T4253] name failslab, interval 1, probability 0, space 0, times 0 [ 45.230864][ T4253] CPU: 0 PID: 4253 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 45.233110][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 45.235833][ T4253] Call trace: [ 45.236715][ T4253] dump_backtrace+0x1c8/0x1f4 [ 45.238002][ T4253] show_stack+0x2c/0x3c [ 45.239092][ T4253] dump_stack_lvl+0x108/0x170 [ 45.240390][ T4253] dump_stack+0x1c/0x58 [ 45.241497][ T4253] should_fail_ex+0x408/0x5d4 [ 45.242708][ T4253] __should_failslab+0xc8/0x128 [ 45.243999][ T4253] should_failslab+0x10/0x28 [ 45.245249][ T4253] __kmem_cache_alloc_node+0x80/0x388 [ 45.246767][ T4253] __kmalloc+0xc4/0x1c4 [ 45.247877][ T4253] tomoyo_init_log+0x1558/0x19c4 [ 45.249229][ T4253] tomoyo_supervisor+0x370/0x1070 [ 45.250586][ T4253] tomoyo_path_number_perm+0x498/0x688 [ 45.252041][ T4253] tomoyo_file_ioctl+0x2c/0x3c [ 45.253359][ T4253] security_file_ioctl+0x80/0xbc [ 45.254736][ T4253] __arm64_sys_ioctl+0xa8/0x1c8 [ 45.256030][ T4253] invoke_syscall+0x98/0x2c0 [ 45.257276][ T4253] el0_svc_common+0x138/0x258 [ 45.258520][ T4253] do_el0_svc+0x64/0x218 [ 45.259674][ T4253] el0_svc+0x58/0x168 [ 45.260708][ T4253] el0t_64_sync_handler+0x84/0xf0 [ 45.261983][ T4253] el0t_64_sync+0x18c/0x190 [ 45.387829][ T4253] block nbd0: shutting down sockets executing program [ 45.475189][ T4255] FAULT_INJECTION: forcing a failure. [ 45.475189][ T4255] name failslab, interval 1, probability 0, space 0, times 0 [ 45.478667][ T4255] CPU: 1 PID: 4255 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 45.480857][ T4255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 45.483457][ T4255] Call trace: [ 45.484286][ T4255] dump_backtrace+0x1c8/0x1f4 [ 45.485584][ T4255] show_stack+0x2c/0x3c [ 45.486726][ T4255] dump_stack_lvl+0x108/0x170 [ 45.487954][ T4255] dump_stack+0x1c/0x58 [ 45.489085][ T4255] should_fail_ex+0x408/0x5d4 [ 45.490381][ T4255] __should_failslab+0xc8/0x128 [ 45.491677][ T4255] should_failslab+0x10/0x28 [ 45.492917][ T4255] __kmem_cache_alloc_node+0x80/0x388 [ 45.494326][ T4255] __kmalloc+0xc4/0x1c4 [ 45.495485][ T4255] tomoyo_supervisor+0xc58/0x1070 [ 45.496827][ T4255] tomoyo_path_number_perm+0x498/0x688 [ 45.498251][ T4255] tomoyo_file_ioctl+0x2c/0x3c [ 45.499533][ T4255] security_file_ioctl+0x80/0xbc [ 45.500864][ T4255] __arm64_sys_ioctl+0xa8/0x1c8 [ 45.502223][ T4255] invoke_syscall+0x98/0x2c0 [ 45.503520][ T4255] el0_svc_common+0x138/0x258 [ 45.504761][ T4255] do_el0_svc+0x64/0x218 [ 45.505881][ T4255] el0_svc+0x58/0x168 [ 45.506935][ T4255] el0t_64_sync_handler+0x84/0xf0 [ 45.508256][ T4255] el0t_64_sync+0x18c/0x190 [ 45.635740][ T4255] block nbd0: shutting down sockets executing program [ 45.748068][ T4257] FAULT_INJECTION: forcing a failure. [ 45.748068][ T4257] name failslab, interval 1, probability 0, space 0, times 0 [ 45.751412][ T4257] CPU: 1 PID: 4257 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 45.753599][ T4257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 45.756230][ T4257] Call trace: [ 45.757126][ T4257] dump_backtrace+0x1c8/0x1f4 [ 45.758349][ T4257] show_stack+0x2c/0x3c [ 45.759442][ T4257] dump_stack_lvl+0x108/0x170 [ 45.760692][ T4257] dump_stack+0x1c/0x58 [ 45.761773][ T4257] should_fail_ex+0x408/0x5d4 [ 45.762977][ T4257] __should_failslab+0xc8/0x128 [ 45.764281][ T4257] should_failslab+0x10/0x28 [ 45.765531][ T4257] __kmem_cache_alloc_node+0x80/0x388 [ 45.766928][ T4257] __kmalloc+0xc4/0x1c4 [ 45.768003][ T4257] tomoyo_init_log+0x1558/0x19c4 [ 45.769370][ T4257] tomoyo_supervisor+0x370/0x1070 [ 45.770758][ T4257] tomoyo_path_number_perm+0x498/0x688 [ 45.772111][ T4257] tomoyo_file_ioctl+0x2c/0x3c [ 45.773388][ T4257] security_file_ioctl+0x80/0xbc [ 45.774428][ T4258] block nbd0: Device being setup by another task [ 45.774683][ T4257] __arm64_sys_ioctl+0xa8/0x1c8 [ 45.777651][ T4257] invoke_syscall+0x98/0x2c0 [ 45.778875][ T4257] el0_svc_common+0x138/0x258 [ 45.780116][ T4257] do_el0_svc+0x64/0x218 [ 45.781243][ T4257] el0_svc+0x58/0x168 [ 45.782346][ T4257] el0t_64_sync_handler+0x84/0xf0 [ 45.783670][ T4257] el0t_64_sync+0x18c/0x190 [ 45.910524][ T4257] block nbd0: shutting down sockets executing program [ 46.014480][ T4261] block nbd0: Device being setup by another task [ 46.017118][ T4260] FAULT_INJECTION: forcing a failure. [ 46.017118][ T4260] name failslab, interval 1, probability 0, space 0, times 0 [ 46.020559][ T4260] CPU: 1 PID: 4260 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 46.022776][ T4260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 46.025379][ T4260] Call trace: [ 46.026240][ T4260] dump_backtrace+0x1c8/0x1f4 [ 46.027526][ T4260] show_stack+0x2c/0x3c [ 46.028634][ T4260] dump_stack_lvl+0x108/0x170 [ 46.029872][ T4260] dump_stack+0x1c/0x58 [ 46.030993][ T4260] should_fail_ex+0x408/0x5d4 [ 46.032296][ T4260] __should_failslab+0xc8/0x128 [ 46.033596][ T4260] should_failslab+0x10/0x28 [ 46.034900][ T4260] __kmem_cache_alloc_node+0x80/0x388 [ 46.036397][ T4260] __kmalloc+0xc4/0x1c4 [ 46.037539][ T4260] tomoyo_supervisor+0xc58/0x1070 [ 46.038935][ T4260] tomoyo_path_number_perm+0x498/0x688 [ 46.040380][ T4260] tomoyo_file_ioctl+0x2c/0x3c [ 46.041672][ T4260] security_file_ioctl+0x80/0xbc [ 46.043003][ T4260] __arm64_sys_ioctl+0xa8/0x1c8 [ 46.044256][ T4260] invoke_syscall+0x98/0x2c0 [ 46.045498][ T4260] el0_svc_common+0x138/0x258 [ 46.046803][ T4260] do_el0_svc+0x64/0x218 [ 46.047906][ T4260] el0_svc+0x58/0x168 [ 46.048926][ T4260] el0t_64_sync_handler+0x84/0xf0 [ 46.050292][ T4260] el0t_64_sync+0x18c/0x190 [ 46.177862][ T4260] block nbd0: shutting down sockets executing program [ 46.290017][ T4263] FAULT_INJECTION: forcing a failure. [ 46.290017][ T4263] name failslab, interval 1, probability 0, space 0, times 0 [ 46.293393][ T4263] CPU: 0 PID: 4263 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 46.295609][ T4263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 46.298397][ T4263] Call trace: [ 46.299218][ T4263] dump_backtrace+0x1c8/0x1f4 [ 46.300485][ T4263] show_stack+0x2c/0x3c [ 46.301542][ T4263] dump_stack_lvl+0x108/0x170 [ 46.302792][ T4263] dump_stack+0x1c/0x58 [ 46.303916][ T4263] should_fail_ex+0x408/0x5d4 [ 46.305216][ T4263] __should_failslab+0xc8/0x128 [ 46.306448][ T4263] should_failslab+0x10/0x28 [ 46.307698][ T4263] __kmem_cache_alloc_node+0x80/0x388 [ 46.309059][ T4263] __kmalloc+0xc4/0x1c4 [ 46.310171][ T4263] tomoyo_supervisor+0xc58/0x1070 [ 46.311435][ T4263] tomoyo_path_number_perm+0x498/0x688 [ 46.312876][ T4263] tomoyo_file_ioctl+0x2c/0x3c [ 46.314155][ T4263] security_file_ioctl+0x80/0xbc [ 46.315472][ T4263] __arm64_sys_ioctl+0xa8/0x1c8 [ 46.316715][ T4263] invoke_syscall+0x98/0x2c0 [ 46.317944][ T4263] el0_svc_common+0x138/0x258 [ 46.319130][ T4263] do_el0_svc+0x64/0x218 [ 46.320260][ T4263] el0_svc+0x58/0x168 [ 46.321339][ T4263] el0t_64_sync_handler+0x84/0xf0 [ 46.322691][ T4263] el0t_64_sync+0x18c/0x190 [ 46.324965][ T4264] block nbd0: Device being setup by another task [ 46.451460][ T4263] block nbd0: shutting down sockets executing program [ 46.545119][ T4266] FAULT_INJECTION: forcing a failure. [ 46.545119][ T4266] name failslab, interval 1, probability 0, space 0, times 0 [ 46.548392][ T4266] CPU: 0 PID: 4266 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 46.550581][ T4266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 46.553216][ T4266] Call trace: [ 46.554033][ T4266] dump_backtrace+0x1c8/0x1f4 [ 46.555254][ T4266] show_stack+0x2c/0x3c [ 46.556355][ T4266] dump_stack_lvl+0x108/0x170 [ 46.557652][ T4266] dump_stack+0x1c/0x58 [ 46.558750][ T4266] should_fail_ex+0x408/0x5d4 [ 46.559982][ T4266] __should_failslab+0xc8/0x128 [ 46.561289][ T4266] should_failslab+0x10/0x28 [ 46.562492][ T4266] __kmem_cache_alloc_node+0x80/0x388 [ 46.563926][ T4266] __kmalloc+0xc4/0x1c4 [ 46.565015][ T4266] tomoyo_init_log+0x1558/0x19c4 [ 46.566369][ T4266] tomoyo_supervisor+0x370/0x1070 [ 46.567647][ T4266] tomoyo_path_number_perm+0x498/0x688 [ 46.569022][ T4266] tomoyo_file_ioctl+0x2c/0x3c [ 46.570254][ T4266] security_file_ioctl+0x80/0xbc [ 46.571605][ T4266] __arm64_sys_ioctl+0xa8/0x1c8 [ 46.573012][ T4266] invoke_syscall+0x98/0x2c0 [ 46.574178][ T4266] el0_svc_common+0x138/0x258 [ 46.575392][ T4266] do_el0_svc+0x64/0x218 [ 46.576483][ T4266] el0_svc+0x58/0x168 [ 46.577531][ T4266] el0t_64_sync_handler+0x84/0xf0 [ 46.578874][ T4266] el0t_64_sync+0x18c/0x190 [ 46.706050][ T4266] block nbd0: shutting down sockets executing program [ 46.818196][ T4268] FAULT_INJECTION: forcing a failure. [ 46.818196][ T4268] name failslab, interval 1, probability 0, space 0, times 0 [ 46.821568][ T4268] CPU: 0 PID: 4268 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 46.823829][ T4268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 46.824422][ T4269] block nbd0: Device being setup by another task [ 46.826515][ T4268] Call trace: [ 46.826524][ T4268] dump_backtrace+0x1c8/0x1f4 [ 46.826541][ T4268] show_stack+0x2c/0x3c [ 46.831401][ T4268] dump_stack_lvl+0x108/0x170 [ 46.832625][ T4268] dump_stack+0x1c/0x58 [ 46.833695][ T4268] should_fail_ex+0x408/0x5d4 [ 46.834927][ T4268] __should_failslab+0xc8/0x128 [ 46.836254][ T4268] should_failslab+0x10/0x28 [ 46.837523][ T4268] __kmem_cache_alloc_node+0x80/0x388 [ 46.839010][ T4268] __kmalloc+0xc4/0x1c4 [ 46.840114][ T4268] tomoyo_supervisor+0xc58/0x1070 [ 46.841483][ T4268] tomoyo_path_number_perm+0x498/0x688 [ 46.842971][ T4268] tomoyo_file_ioctl+0x2c/0x3c [ 46.844237][ T4268] security_file_ioctl+0x80/0xbc [ 46.845574][ T4268] __arm64_sys_ioctl+0xa8/0x1c8 [ 46.846855][ T4268] invoke_syscall+0x98/0x2c0 [ 46.848065][ T4268] el0_svc_common+0x138/0x258 [ 46.849312][ T4268] do_el0_svc+0x64/0x218 [ 46.850511][ T4268] el0_svc+0x58/0x168 [ 46.851572][ T4268] el0t_64_sync_handler+0x84/0xf0 [ 46.852914][ T4268] el0t_64_sync+0x18c/0x190 [ 46.979979][ T4268] block nbd0: shutting down sockets executing program [ 47.075185][ T4271] FAULT_INJECTION: forcing a failure. [ 47.075185][ T4271] name failslab, interval 1, probability 0, space 0, times 0 [ 47.078825][ T4271] CPU: 0 PID: 4271 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 47.080929][ T4271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 47.083648][ T4271] Call trace: [ 47.084545][ T4271] dump_backtrace+0x1c8/0x1f4 [ 47.085790][ T4271] show_stack+0x2c/0x3c [ 47.086946][ T4271] dump_stack_lvl+0x108/0x170 [ 47.088224][ T4271] dump_stack+0x1c/0x58 [ 47.089321][ T4271] should_fail_ex+0x408/0x5d4 [ 47.090549][ T4271] __should_failslab+0xc8/0x128 [ 47.091893][ T4271] should_failslab+0x10/0x28 [ 47.093131][ T4271] __kmem_cache_alloc_node+0x80/0x388 [ 47.094580][ T4271] __kmalloc+0xc4/0x1c4 [ 47.095709][ T4271] tomoyo_supervisor+0xc58/0x1070 [ 47.097061][ T4271] tomoyo_path_number_perm+0x498/0x688 [ 47.098499][ T4271] tomoyo_file_ioctl+0x2c/0x3c [ 47.099798][ T4271] security_file_ioctl+0x80/0xbc [ 47.101081][ T4271] __arm64_sys_ioctl+0xa8/0x1c8 [ 47.102343][ T4271] invoke_syscall+0x98/0x2c0 [ 47.103592][ T4271] el0_svc_common+0x138/0x258 [ 47.104844][ T4271] do_el0_svc+0x64/0x218 [ 47.105982][ T4271] el0_svc+0x58/0x168 [ 47.107072][ T4271] el0t_64_sync_handler+0x84/0xf0 [ 47.108483][ T4271] el0t_64_sync+0x18c/0x190 [ 47.237063][ T4271] block nbd0: shutting down sockets executing program [ 47.335289][ T4273] FAULT_INJECTION: forcing a failure. [ 47.335289][ T4273] name failslab, interval 1, probability 0, space 0, times 0 [ 47.338732][ T4273] CPU: 0 PID: 4273 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 47.340952][ T4273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 47.343602][ T4273] Call trace: [ 47.344530][ T4273] dump_backtrace+0x1c8/0x1f4 [ 47.345812][ T4273] show_stack+0x2c/0x3c [ 47.346957][ T4273] dump_stack_lvl+0x108/0x170 [ 47.348256][ T4273] dump_stack+0x1c/0x58 [ 47.349418][ T4273] should_fail_ex+0x408/0x5d4 [ 47.350725][ T4273] __should_failslab+0xc8/0x128 [ 47.352034][ T4273] should_failslab+0x10/0x28 [ 47.353258][ T4273] __kmem_cache_alloc_node+0x80/0x388 [ 47.354737][ T4273] __kmalloc+0xc4/0x1c4 [ 47.355881][ T4273] tomoyo_supervisor+0xc58/0x1070 [ 47.357199][ T4273] tomoyo_path_number_perm+0x498/0x688 [ 47.358680][ T4273] tomoyo_file_ioctl+0x2c/0x3c [ 47.359951][ T4273] security_file_ioctl+0x80/0xbc [ 47.361293][ T4273] __arm64_sys_ioctl+0xa8/0x1c8 [ 47.362619][ T4273] invoke_syscall+0x98/0x2c0 [ 47.363841][ T4273] el0_svc_common+0x138/0x258 [ 47.365131][ T4273] do_el0_svc+0x64/0x218 [ 47.366339][ T4273] el0_svc+0x58/0x168 [ 47.367415][ T4273] el0t_64_sync_handler+0x84/0xf0 [ 47.368765][ T4273] el0t_64_sync+0x18c/0x190 [ 47.497473][ T4273] block nbd0: shutting down sockets executing program [ 47.608041][ T4275] FAULT_INJECTION: forcing a failure. [ 47.608041][ T4275] name failslab, interval 1, probability 0, space 0, times 0 [ 47.611554][ T4275] CPU: 0 PID: 4275 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 47.613791][ T4275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 47.616552][ T4275] Call trace: [ 47.617436][ T4275] dump_backtrace+0x1c8/0x1f4 [ 47.618663][ T4275] show_stack+0x2c/0x3c [ 47.619764][ T4275] dump_stack_lvl+0x108/0x170 [ 47.620950][ T4275] dump_stack+0x1c/0x58 [ 47.622053][ T4275] should_fail_ex+0x408/0x5d4 [ 47.623360][ T4275] __should_failslab+0xc8/0x128 [ 47.624444][ T4276] block nbd0: Device being setup by another task [ 47.624613][ T4275] should_failslab+0x10/0x28 [ 47.627543][ T4275] __kmem_cache_alloc_node+0x80/0x388 [ 47.628936][ T4275] __kmalloc+0xc4/0x1c4 [ 47.630034][ T4275] tomoyo_init_log+0x1558/0x19c4 [ 47.631414][ T4275] tomoyo_supervisor+0x370/0x1070 [ 47.632760][ T4275] tomoyo_path_number_perm+0x498/0x688 [ 47.634187][ T4275] tomoyo_file_ioctl+0x2c/0x3c [ 47.635417][ T4275] security_file_ioctl+0x80/0xbc [ 47.636773][ T4275] __arm64_sys_ioctl+0xa8/0x1c8 [ 47.638038][ T4275] invoke_syscall+0x98/0x2c0 [ 47.639306][ T4275] el0_svc_common+0x138/0x258 [ 47.640544][ T4275] do_el0_svc+0x64/0x218 [ 47.641737][ T4275] el0_svc+0x58/0x168 [ 47.642847][ T4275] el0t_64_sync_handler+0x84/0xf0 [ 47.644196][ T4275] el0t_64_sync+0x18c/0x190 [ 47.769464][ T4275] block nbd0: shutting down sockets executing program [ 47.876832][ T4279] FAULT_INJECTION: forcing a failure. [ 47.876832][ T4279] name failslab, interval 1, probability 0, space 0, times 0 [ 47.880223][ T4279] CPU: 1 PID: 4279 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 47.882481][ T4279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 47.885186][ T4279] Call trace: [ 47.886068][ T4279] dump_backtrace+0x1c8/0x1f4 [ 47.887339][ T4279] show_stack+0x2c/0x3c [ 47.888465][ T4279] dump_stack_lvl+0x108/0x170 [ 47.889772][ T4279] dump_stack+0x1c/0x58 [ 47.890879][ T4279] should_fail_ex+0x408/0x5d4 [ 47.892130][ T4279] __should_failslab+0xc8/0x128 [ 47.893472][ T4279] should_failslab+0x10/0x28 [ 47.894729][ T4279] __kmem_cache_alloc_node+0x80/0x388 [ 47.896169][ T4279] __kmalloc+0xc4/0x1c4 [ 47.897281][ T4279] tomoyo_supervisor+0xc58/0x1070 [ 47.898625][ T4279] tomoyo_path_number_perm+0x498/0x688 [ 47.900104][ T4279] tomoyo_file_ioctl+0x2c/0x3c [ 47.901427][ T4279] security_file_ioctl+0x80/0xbc [ 47.902726][ T4279] __arm64_sys_ioctl+0xa8/0x1c8 [ 47.904009][ T4279] invoke_syscall+0x98/0x2c0 [ 47.905230][ T4279] el0_svc_common+0x138/0x258 [ 47.906487][ T4279] do_el0_svc+0x64/0x218 [ 47.907607][ T4279] el0_svc+0x58/0x168 [ 47.908675][ T4279] el0t_64_sync_handler+0x84/0xf0 [ 47.909998][ T4279] el0t_64_sync+0x18c/0x190 [ 48.038044][ T4279] block nbd0: shutting down sockets executing program [ 48.150117][ T4281] FAULT_INJECTION: forcing a failure. [ 48.150117][ T4281] name failslab, interval 1, probability 0, space 0, times 0 [ 48.153757][ T4281] CPU: 0 PID: 4281 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 48.156020][ T4281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 48.158789][ T4281] Call trace: [ 48.159651][ T4281] dump_backtrace+0x1c8/0x1f4 [ 48.160896][ T4281] show_stack+0x2c/0x3c [ 48.162008][ T4281] dump_stack_lvl+0x108/0x170 [ 48.163232][ T4281] dump_stack+0x1c/0x58 [ 48.164349][ T4281] should_fail_ex+0x408/0x5d4 [ 48.165649][ T4281] __should_failslab+0xc8/0x128 [ 48.166951][ T4281] should_failslab+0x10/0x28 [ 48.168176][ T4281] __kmem_cache_alloc_node+0x80/0x388 [ 48.169565][ T4281] __kmalloc+0xc4/0x1c4 [ 48.170645][ T4281] tomoyo_supervisor+0xc58/0x1070 [ 48.171964][ T4281] tomoyo_path_number_perm+0x498/0x688 [ 48.173443][ T4281] tomoyo_file_ioctl+0x2c/0x3c [ 48.174712][ T4281] security_file_ioctl+0x80/0xbc [ 48.176059][ T4281] __arm64_sys_ioctl+0xa8/0x1c8 [ 48.177387][ T4281] invoke_syscall+0x98/0x2c0 [ 48.178587][ T4281] el0_svc_common+0x138/0x258 [ 48.179948][ T4281] do_el0_svc+0x64/0x218 [ 48.181048][ T4281] el0_svc+0x58/0x168 [ 48.182032][ T4281] el0t_64_sync_handler+0x84/0xf0 [ 48.183358][ T4281] el0t_64_sync+0x18c/0x190 [ 48.184702][ T4282] block nbd0: Device being setup by another task [ 48.311871][ T4281] block nbd0: shutting down sockets executing program [ 48.448482][ T4284] FAULT_INJECTION: forcing a failure. [ 48.448482][ T4284] name failslab, interval 1, probability 0, space 0, times 0 [ 48.451944][ T4284] CPU: 1 PID: 4284 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 48.454145][ T4284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 48.456748][ T4284] Call trace: [ 48.457735][ T4284] dump_backtrace+0x1c8/0x1f4 [ 48.458912][ T4284] show_stack+0x2c/0x3c [ 48.460087][ T4284] dump_stack_lvl+0x108/0x170 [ 48.461319][ T4284] dump_stack+0x1c/0x58 [ 48.462350][ T4284] should_fail_ex+0x408/0x5d4 [ 48.463608][ T4284] __should_failslab+0xc8/0x128 [ 48.464835][ T4284] should_failslab+0x10/0x28 [ 48.466009][ T4284] __kmem_cache_alloc_node+0x80/0x388 [ 48.467445][ T4284] __kmalloc_node+0xcc/0x1d0 [ 48.468639][ T4284] blk_mq_update_nr_hw_queues+0x5c0/0xf4c [ 48.470133][ T4284] nbd_start_device+0x15c/0xa80 [ 48.471391][ T4284] nbd_ioctl+0x430/0xc40 [ 48.472474][ T4284] blkdev_ioctl+0x408/0xb40 [ 48.473676][ T4284] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.474918][ T4284] invoke_syscall+0x98/0x2c0 [ 48.476118][ T4284] el0_svc_common+0x138/0x258 [ 48.477328][ T4284] do_el0_svc+0x64/0x218 [ 48.478444][ T4284] el0_svc+0x58/0x168 [ 48.479507][ T4284] el0t_64_sync_handler+0x84/0xf0 [ 48.480846][ T4284] el0t_64_sync+0x18c/0x190 [ 48.569150][ T4284] block nbd0: shutting down sockets executing program [ 48.826615][ T4286] block nbd0: shutting down sockets executing program [ 48.925076][ T4288] FAULT_INJECTION: forcing a failure. [ 48.925076][ T4288] name failslab, interval 1, probability 0, space 0, times 0 [ 48.928571][ T4288] CPU: 1 PID: 4288 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 48.930754][ T4288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 48.933340][ T4288] Call trace: [ 48.934175][ T4288] dump_backtrace+0x1c8/0x1f4 [ 48.935448][ T4288] show_stack+0x2c/0x3c [ 48.936593][ T4288] dump_stack_lvl+0x108/0x170 [ 48.937916][ T4288] dump_stack+0x1c/0x58 [ 48.939022][ T4288] should_fail_ex+0x408/0x5d4 [ 48.940312][ T4288] __should_failslab+0xc8/0x128 [ 48.941601][ T4288] should_failslab+0x10/0x28 [ 48.942837][ T4288] slab_pre_alloc_hook+0x6c/0x33c [ 48.944168][ T4288] kmem_cache_alloc_lru+0x64/0x2f8 [ 48.945534][ T4288] new_inode_pseudo+0xe0/0x1d0 [ 48.946796][ T4288] new_inode+0x38/0x174 [ 48.947920][ T4288] debugfs_create_dir+0xf0/0x404 [ 48.949218][ T4288] nbd_start_device+0x358/0xa80 [ 48.950483][ T4288] nbd_ioctl+0x430/0xc40 [ 48.951647][ T4288] blkdev_ioctl+0x408/0xb40 [ 48.952865][ T4288] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.954198][ T4288] invoke_syscall+0x98/0x2c0 [ 48.955458][ T4288] el0_svc_common+0x138/0x258 [ 48.956736][ T4288] do_el0_svc+0x64/0x218 [ 48.957871][ T4288] el0_svc+0x58/0x168 [ 48.958953][ T4288] el0t_64_sync_handler+0x84/0xf0 [ 48.960323][ T4288] el0t_64_sync+0x18c/0x190 [ 48.961647][ T4288] debugfs: out of free dentries, can not create directory 'nbd0' [ 48.963719][ T4288] block nbd0: Failed to create debugfs dir for 'nbd0' [ 49.086039][ T4288] block nbd0: shutting down sockets executing program [ 49.204450][ T4291] block nbd0: Device being setup by another task [ 49.248828][ T4290] FAULT_INJECTION: forcing a failure. [ 49.248828][ T4290] name failslab, interval 1, probability 0, space 0, times 0 [ 49.252317][ T4290] CPU: 1 PID: 4290 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 49.254479][ T4290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 49.257119][ T4290] Call trace: [ 49.258044][ T4290] dump_backtrace+0x1c8/0x1f4 [ 49.259293][ T4290] show_stack+0x2c/0x3c [ 49.260439][ T4290] dump_stack_lvl+0x108/0x170 [ 49.261700][ T4290] dump_stack+0x1c/0x58 [ 49.262787][ T4290] should_fail_ex+0x408/0x5d4 [ 49.264027][ T4290] __should_failslab+0xc8/0x128 [ 49.265283][ T4290] should_failslab+0x10/0x28 [ 49.266486][ T4290] __kmem_cache_alloc_node+0x80/0x388 [ 49.267885][ T4290] __kmalloc_node_track_caller+0xbc/0x1c0 [ 49.269442][ T4290] kstrdup_const+0x90/0xdc [ 49.270628][ T4290] __kernfs_new_node+0xa8/0x684 [ 49.271881][ T4290] kernfs_create_dir_ns+0xac/0x238 [ 49.273321][ T4290] sysfs_create_dir_ns+0x150/0x318 [ 49.274707][ T4290] kobject_add_internal+0x598/0xb14 [ 49.276062][ T4290] kobject_add+0x14c/0x21c [ 49.277224][ T4290] blk_mq_register_hctx+0xc8/0x368 [ 49.278588][ T4290] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 49.280145][ T4290] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 49.281736][ T4290] nbd_start_device+0x15c/0xa80 [ 49.283038][ T4290] nbd_ioctl+0x430/0xc40 [ 49.284166][ T4290] blkdev_ioctl+0x408/0xb40 [ 49.285346][ T4290] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.286673][ T4290] invoke_syscall+0x98/0x2c0 [ 49.287922][ T4290] el0_svc_common+0x138/0x258 [ 49.289195][ T4290] do_el0_svc+0x64/0x218 [ 49.290386][ T4290] el0_svc+0x58/0x168 [ 49.291442][ T4290] el0t_64_sync_handler+0x84/0xf0 [ 49.292818][ T4290] el0t_64_sync+0x18c/0x190 [ 49.294162][ T4290] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 49.362591][ T4290] block nbd0: shutting down sockets executing program [ 49.474429][ T4294] block nbd0: Device being setup by another task [ 49.476325][ T4293] FAULT_INJECTION: forcing a failure. [ 49.476325][ T4293] name failslab, interval 1, probability 0, space 0, times 0 [ 49.479667][ T4293] CPU: 1 PID: 4293 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 49.481895][ T4293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 49.484527][ T4293] Call trace: [ 49.485383][ T4293] dump_backtrace+0x1c8/0x1f4 [ 49.486626][ T4293] show_stack+0x2c/0x3c [ 49.487720][ T4293] dump_stack_lvl+0x108/0x170 [ 49.488973][ T4293] dump_stack+0x1c/0x58 [ 49.490072][ T4293] should_fail_ex+0x408/0x5d4 [ 49.491290][ T4293] __should_failslab+0xc8/0x128 [ 49.492530][ T4293] should_failslab+0x10/0x28 [ 49.493753][ T4293] slab_pre_alloc_hook+0x6c/0x33c [ 49.495109][ T4293] kmem_cache_alloc_lru+0x64/0x2f8 [ 49.496474][ T4293] new_inode_pseudo+0xe0/0x1d0 [ 49.497795][ T4293] new_inode+0x38/0x174 [ 49.498902][ T4293] debugfs_create_dir+0xf0/0x404 [ 49.500207][ T4293] nbd_start_device+0x358/0xa80 [ 49.501547][ T4293] nbd_ioctl+0x430/0xc40 [ 49.502693][ T4293] blkdev_ioctl+0x408/0xb40 [ 49.503899][ T4293] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.505253][ T4293] invoke_syscall+0x98/0x2c0 [ 49.506518][ T4293] el0_svc_common+0x138/0x258 [ 49.507721][ T4293] do_el0_svc+0x64/0x218 [ 49.508864][ T4293] el0_svc+0x58/0x168 [ 49.509928][ T4293] el0t_64_sync_handler+0x84/0xf0 [ 49.511245][ T4293] el0t_64_sync+0x18c/0x190 [ 49.512556][ T4293] debugfs: out of free dentries, can not create directory 'nbd0' [ 49.514729][ T4293] block nbd0: Failed to create debugfs dir for 'nbd0' [ 49.635491][ T4293] block nbd0: shutting down sockets executing program [ 49.778347][ T4296] ------------[ cut here ]------------ [ 49.779835][ T4296] kernfs: can not remove 'nr_tags', no directory [ 49.781716][ T4296] WARNING: CPU: 0 PID: 4296 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 49.784376][ T4296] Modules linked in: [ 49.785362][ T4296] CPU: 0 PID: 4296 Comm: syz-executor398 Not tainted 6.1.62-syzkaller #0 [ 49.787689][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 49.790379][ T4296] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.792486][ T4296] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 49.794081][ T4296] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 49.795657][ T4296] sp : ffff80001dd67750 [ 49.796856][ T4296] x29: ffff80001dd67750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 49.798983][ T4296] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 49.801191][ T4296] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 49.803289][ T4296] x20: 00000000fffffffe x19: ffff800012748ec0 x18: ffff80001dd67020 [ 49.805458][ T4296] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 49.807653][ T4296] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 49.809775][ T4296] x11: ff808000081af79c x10: 0000000000000000 x9 : 28de01341650f700 [ 49.812006][ T4296] x8 : 28de01341650f700 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.814133][ T4296] x5 : ffff80001dd67038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 49.816282][ T4296] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 49.818441][ T4296] Call trace: [ 49.819297][ T4296] kernfs_remove_by_name_ns+0x10c/0x188 [ 49.820770][ T4296] sysfs_remove_group+0xf8/0x288 [ 49.822032][ T4296] sysfs_remove_groups+0x5c/0xb4 [ 49.823342][ T4296] __kobject_del+0x90/0x2d4 [ 49.824519][ T4296] kobject_del+0x48/0x68 [ 49.825643][ T4296] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 49.827219][ T4296] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 49.828846][ T4296] nbd_start_device+0x15c/0xa80 [ 49.830137][ T4296] nbd_ioctl+0x430/0xc40 [ 49.831285][ T4296] blkdev_ioctl+0x408/0xb40 [ 49.832465][ T4296] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.833767][ T4296] invoke_syscall+0x98/0x2c0 [ 49.834965][ T4296] el0_svc_common+0x138/0x258 [ 49.836195][ T4296] do_el0_svc+0x64/0x218 [ 49.837292][ T4296] el0_svc+0x58/0x168 [ 49.838390][ T4296] el0t_64_sync_handler+0x84/0xf0 [ 49.839771][ T4296] el0t_64_sync+0x18c/0x190 [ 49.840947][ T4296] irq event stamp: 1792 [ 49.842057][ T4296] hardirqs last enabled at (1791): [] __up_console_sem+0xb4/0x100 [ 49.844574][ T4296] hardirqs last disabled at (1792): [] el1_dbg+0x24/0x80 [ 49.846857][ T4296] softirqs last enabled at (132): [] local_bh_enable+0x10/0x34 [ 49.849310][ T4296] softirqs last disabled at (130): [] local_bh_disable+0x10/0x34 [ 49.851900][ T4296] ---[ end trace 0000000000000000 ]--- [ 49.853679][ T4296] ------------[ cut here ]------------ [ 49.855215][ T4296] kernfs: can not remove 'nr_reserved_tags', no directory [ 49.857238][ T4296] WARNING: CPU: 0 PID: 4296 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 49.859855][ T4296] Modules linked in: [ 49.860864][ T4296] CPU: 0 PID: 4296 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 49.863416][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 49.866014][ T4296] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.868206][ T4296] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 49.869792][ T4296] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 49.871294][ T4296] sp : ffff80001dd67750 [ 49.872362][ T4296] x29: ffff80001dd67750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 49.874479][ T4296] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 49.876547][ T4296] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 49.878661][ T4296] x20: 00000000fffffffe x19: ffff800012748ec0 x18: ffff80001dd67020 [ 49.880839][ T4296] x17: 0000000000000000 x16: ffff8000083062e0 x15: 0000000000000000 [ 49.882940][ T4296] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000003 [ 49.885137][ T4296] x11: ff8080000aad6a88 x10: 0000000000000003 x9 : 28de01341650f700 [ 49.887307][ T4296] x8 : 28de01341650f700 x7 : ffff8000122007d4 x6 : 0000000000000000 [ 49.889388][ T4296] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 49.891420][ T4296] x2 : 0000000000000006 x1 : ffff80001228c340 x0 : ffff80019ee02000 [ 49.893503][ T4296] Call trace: [ 49.894366][ T4296] kernfs_remove_by_name_ns+0x10c/0x188 [ 49.895793][ T4296] sysfs_remove_group+0xf8/0x288 [ 49.897129][ T4296] sysfs_remove_groups+0x5c/0xb4 [ 49.898510][ T4296] __kobject_del+0x90/0x2d4 [ 49.899737][ T4296] kobject_del+0x48/0x68 [ 49.900856][ T4296] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 49.902436][ T4296] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 49.903928][ T4296] nbd_start_device+0x15c/0xa80 [ 49.905191][ T4296] nbd_ioctl+0x430/0xc40 [ 49.906329][ T4296] blkdev_ioctl+0x408/0xb40 [ 49.907463][ T4296] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.908777][ T4296] invoke_syscall+0x98/0x2c0 [ 49.909931][ T4296] el0_svc_common+0x138/0x258 [ 49.911190][ T4296] do_el0_svc+0x64/0x218 [ 49.912309][ T4296] el0_svc+0x58/0x168 [ 49.913330][ T4296] el0t_64_sync_handler+0x84/0xf0 [ 49.914657][ T4296] el0t_64_sync+0x18c/0x190 [ 49.915799][ T4296] irq event stamp: 1856 [ 49.916887][ T4296] hardirqs last enabled at (1855): [] __schedule+0xff8/0x1c98 [ 49.919291][ T4296] hardirqs last disabled at (1856): [] el1_dbg+0x24/0x80 [ 49.921582][ T4296] softirqs last enabled at (1838): [] __do_softirq+0xc14/0xea0 [ 49.924041][ T4296] softirqs last disabled at (1833): [] ____do_softirq+0x14/0x20 [ 49.926553][ T4296] ---[ end trace 0000000000000000 ]--- [ 49.928182][ T4296] ------------[ cut here ]------------ [ 49.929636][ T4296] kernfs: can not remove 'cpu_list', no directory [ 49.931501][ T4296] WARNING: CPU: 0 PID: 4296 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 49.933999][ T4296] Modules linked in: [ 49.935051][ T4296] CPU: 0 PID: 4296 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 49.937616][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 49.940344][ T4296] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.942477][ T4296] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 49.944002][ T4296] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 49.945568][ T4296] sp : ffff80001dd67750 [ 49.946635][ T4296] x29: ffff80001dd67750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 49.948851][ T4296] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 49.951023][ T4296] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 49.953177][ T4296] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 49.955383][ T4296] x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4563bbc [ 49.957514][ T4296] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000001 [ 49.959640][ T4296] x11: 1fffe0001b013850 x10: 0000000000000000 x9 : 28de01341650f700 [ 49.961770][ T4296] x8 : 28de01341650f700 x7 : ffff80000827db78 x6 : 0000000000000000 [ 49.963895][ T4296] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000826b8dc [ 49.966087][ T4296] x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 [ 49.968291][ T4296] Call trace: [ 49.969120][ T4296] kernfs_remove_by_name_ns+0x10c/0x188 [ 49.970581][ T4296] sysfs_remove_group+0xf8/0x288 [ 49.971927][ T4296] sysfs_remove_groups+0x5c/0xb4 [ 49.973206][ T4296] __kobject_del+0x90/0x2d4 [ 49.974415][ T4296] kobject_del+0x48/0x68 [ 49.975532][ T4296] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 49.977134][ T4296] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 49.978675][ T4296] nbd_start_device+0x15c/0xa80 [ 49.979960][ T4296] nbd_ioctl+0x430/0xc40 [ 49.981101][ T4296] blkdev_ioctl+0x408/0xb40 [ 49.982278][ T4296] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.983632][ T4296] invoke_syscall+0x98/0x2c0 [ 49.984881][ T4296] el0_svc_common+0x138/0x258 [ 49.986146][ T4296] do_el0_svc+0x64/0x218 [ 49.987286][ T4296] el0_svc+0x58/0x168 [ 49.988315][ T4296] el0t_64_sync_handler+0x84/0xf0 [ 49.989631][ T4296] el0t_64_sync+0x18c/0x190 [ 49.990839][ T4296] irq event stamp: 1906 [ 49.991956][ T4296] hardirqs last enabled at (1905): [] finish_lock_switch+0xbc/0x1e8 [ 49.994593][ T4296] hardirqs last disabled at (1906): [] el1_dbg+0x24/0x80 [ 49.996924][ T4296] softirqs last enabled at (1876): [] __do_softirq+0xc14/0xea0 [ 49.999326][ T4296] softirqs last disabled at (1859): [] ____do_softirq+0x14/0x20 [ 50.001777][ T4296] ---[ end trace 0000000000000000 ]--- [ 50.007995][ T4296] block nbd0: shutting down sockets executing program [ 50.104978][ T4298] FAULT_INJECTION: forcing a failure. [ 50.104978][ T4298] name failslab, interval 1, probability 0, space 0, times 0 [ 50.108346][ T4298] CPU: 1 PID: 4298 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 50.110954][ T4298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 50.113695][ T4298] Call trace: [ 50.114526][ T4298] dump_backtrace+0x1c8/0x1f4 [ 50.115792][ T4298] show_stack+0x2c/0x3c [ 50.116908][ T4298] dump_stack_lvl+0x108/0x170 [ 50.118128][ T4298] dump_stack+0x1c/0x58 [ 50.119208][ T4298] should_fail_ex+0x408/0x5d4 [ 50.120497][ T4298] __should_failslab+0xc8/0x128 [ 50.121816][ T4298] should_failslab+0x10/0x28 [ 50.123016][ T4298] slab_pre_alloc_hook+0x6c/0x33c [ 50.124321][ T4298] kmem_cache_alloc_lru+0x64/0x2f8 [ 50.125670][ T4298] new_inode_pseudo+0xe0/0x1d0 [ 50.126918][ T4298] new_inode+0x38/0x174 [ 50.127954][ T4298] debugfs_create_dir+0xf0/0x404 [ 50.129224][ T4298] nbd_start_device+0x358/0xa80 [ 50.130572][ T4298] nbd_ioctl+0x430/0xc40 [ 50.131728][ T4298] blkdev_ioctl+0x408/0xb40 [ 50.132932][ T4298] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.134285][ T4298] invoke_syscall+0x98/0x2c0 [ 50.135513][ T4298] el0_svc_common+0x138/0x258 [ 50.136802][ T4298] do_el0_svc+0x64/0x218 [ 50.138032][ T4298] el0_svc+0x58/0x168 [ 50.139091][ T4298] el0t_64_sync_handler+0x84/0xf0 [ 50.140475][ T4298] el0t_64_sync+0x18c/0x190 [ 50.141830][ T4298] debugfs: out of free dentries, can not create directory 'nbd0' [ 50.143909][ T4298] block nbd0: Failed to create debugfs dir for 'nbd0' [ 50.266640][ T4298] block nbd0: shutting down sockets executing program [ 50.365033][ T4300] FAULT_INJECTION: forcing a failure. [ 50.365033][ T4300] name failslab, interval 1, probability 0, space 0, times 0 [ 50.368597][ T4300] CPU: 0 PID: 4300 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 50.371167][ T4300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 50.373758][ T4300] Call trace: [ 50.374571][ T4300] dump_backtrace+0x1c8/0x1f4 [ 50.375815][ T4300] show_stack+0x2c/0x3c [ 50.376957][ T4300] dump_stack_lvl+0x108/0x170 [ 50.378166][ T4300] dump_stack+0x1c/0x58 [ 50.379291][ T4300] should_fail_ex+0x408/0x5d4 [ 50.380563][ T4300] __should_failslab+0xc8/0x128 [ 50.381891][ T4300] should_failslab+0x10/0x28 [ 50.383134][ T4300] slab_pre_alloc_hook+0x6c/0x33c [ 50.384456][ T4300] kmem_cache_alloc_lru+0x64/0x2f8 [ 50.385855][ T4300] new_inode_pseudo+0xe0/0x1d0 [ 50.387165][ T4300] new_inode+0x38/0x174 [ 50.388323][ T4300] debugfs_create_dir+0xf0/0x404 [ 50.389731][ T4300] nbd_start_device+0x358/0xa80 [ 50.391049][ T4300] nbd_ioctl+0x430/0xc40 [ 50.392225][ T4300] blkdev_ioctl+0x408/0xb40 [ 50.393582][ T4300] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.394906][ T4300] invoke_syscall+0x98/0x2c0 [ 50.396169][ T4300] el0_svc_common+0x138/0x258 [ 50.397462][ T4300] do_el0_svc+0x64/0x218 [ 50.398587][ T4300] el0_svc+0x58/0x168 [ 50.399676][ T4300] el0t_64_sync_handler+0x84/0xf0 [ 50.401027][ T4300] el0t_64_sync+0x18c/0x190 [ 50.402345][ T4300] debugfs: out of free dentries, can not create directory 'nbd0' [ 50.404429][ T4300] block nbd0: Failed to create debugfs dir for 'nbd0' [ 50.526051][ T4300] block nbd0: shutting down sockets executing program [ 50.654600][ T4303] FAULT_INJECTION: forcing a failure. [ 50.654600][ T4303] name failslab, interval 1, probability 0, space 0, times 0 [ 50.658085][ T4303] CPU: 1 PID: 4303 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 50.660722][ T4303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 50.663430][ T4303] Call trace: [ 50.664300][ T4303] dump_backtrace+0x1c8/0x1f4 [ 50.665566][ T4303] show_stack+0x2c/0x3c [ 50.666652][ T4303] dump_stack_lvl+0x108/0x170 [ 50.667997][ T4303] dump_stack+0x1c/0x58 [ 50.669149][ T4303] should_fail_ex+0x408/0x5d4 [ 50.670452][ T4303] __should_failslab+0xc8/0x128 [ 50.671735][ T4303] should_failslab+0x10/0x28 [ 50.672944][ T4303] slab_pre_alloc_hook+0x6c/0x33c [ 50.674325][ T4303] kmem_cache_alloc_lru+0x64/0x2f8 [ 50.675755][ T4303] new_inode_pseudo+0xe0/0x1d0 [ 50.677147][ T4303] new_inode+0x38/0x174 [ 50.678300][ T4303] debugfs_create_dir+0xf0/0x404 [ 50.679673][ T4303] nbd_start_device+0x358/0xa80 [ 50.681006][ T4303] nbd_ioctl+0x430/0xc40 [ 50.682154][ T4303] blkdev_ioctl+0x408/0xb40 [ 50.683390][ T4303] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.684739][ T4303] invoke_syscall+0x98/0x2c0 [ 50.685968][ T4303] el0_svc_common+0x138/0x258 [ 50.687208][ T4303] do_el0_svc+0x64/0x218 [ 50.688361][ T4303] el0_svc+0x58/0x168 [ 50.689463][ T4303] el0t_64_sync_handler+0x84/0xf0 [ 50.690814][ T4303] el0t_64_sync+0x18c/0x190 [ 50.692244][ T4303] debugfs: out of free dentries, can not create directory 'nbd0' [ 50.694536][ T4303] block nbd0: Failed to create debugfs dir for 'nbd0' [ 50.804682][ T4303] block nbd0: shutting down sockets executing program [ 50.944426][ T4306] block nbd0: Device being setup by another task [ 50.989297][ T4305] FAULT_INJECTION: forcing a failure. [ 50.989297][ T4305] name failslab, interval 1, probability 0, space 0, times 0 [ 50.992776][ T4305] CPU: 1 PID: 4305 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 50.995471][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 50.998300][ T4305] Call trace: [ 50.999184][ T4305] dump_backtrace+0x1c8/0x1f4 [ 51.000438][ T4305] show_stack+0x2c/0x3c [ 51.001548][ T4305] dump_stack_lvl+0x108/0x170 [ 51.002795][ T4305] dump_stack+0x1c/0x58 [ 51.003966][ T4305] should_fail_ex+0x408/0x5d4 [ 51.005251][ T4305] __should_failslab+0xc8/0x128 [ 51.006608][ T4305] should_failslab+0x10/0x28 [ 51.007909][ T4305] __kmem_cache_alloc_node+0x80/0x388 [ 51.009335][ T4305] __kmalloc_node_track_caller+0xbc/0x1c0 [ 51.010848][ T4305] kstrdup_const+0x90/0xdc [ 51.012049][ T4305] __kernfs_new_node+0xa8/0x684 [ 51.013331][ T4305] kernfs_create_dir_ns+0xac/0x238 [ 51.014661][ T4305] sysfs_create_dir_ns+0x150/0x318 [ 51.016005][ T4305] kobject_add_internal+0x598/0xb14 [ 51.017449][ T4305] kobject_add+0x14c/0x21c [ 51.018593][ T4305] blk_mq_register_hctx+0xc8/0x368 [ 51.019956][ T4305] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 51.021552][ T4305] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 51.023064][ T4305] nbd_start_device+0x15c/0xa80 [ 51.024377][ T4305] nbd_ioctl+0x430/0xc40 [ 51.025499][ T4305] blkdev_ioctl+0x408/0xb40 [ 51.026687][ T4305] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.028075][ T4305] invoke_syscall+0x98/0x2c0 [ 51.029304][ T4305] el0_svc_common+0x138/0x258 [ 51.030487][ T4305] do_el0_svc+0x64/0x218 [ 51.031649][ T4305] el0_svc+0x58/0x168 [ 51.032727][ T4305] el0t_64_sync_handler+0x84/0xf0 [ 51.034100][ T4305] el0t_64_sync+0x18c/0x190 [ 51.035574][ T4305] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 51.081790][ T4305] block nbd0: shutting down sockets executing program [ 51.208676][ T4308] ------------[ cut here ]------------ [ 51.210218][ T4308] kernfs: can not remove 'nr_tags', no directory [ 51.212053][ T4308] WARNING: CPU: 0 PID: 4308 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 51.214681][ T4308] Modules linked in: [ 51.215767][ T4308] CPU: 0 PID: 4308 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 51.218447][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 51.221186][ T4308] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.223596][ T4308] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 51.225307][ T4308] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 51.226894][ T4308] sp : ffff80001dd87750 [ 51.228032][ T4308] x29: ffff80001dd87750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 51.230216][ T4308] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 51.232390][ T4308] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 51.234586][ T4308] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 51.236778][ T4308] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 51.238958][ T4308] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 51.241066][ T4308] x11: ff808000081af79c x10: 0000000000000000 x9 : 824bdbeda2327e00 [ 51.243186][ T4308] x8 : 824bdbeda2327e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.245372][ T4308] x5 : ffff80001dd87038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 51.247542][ T4308] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 51.249765][ T4308] Call trace: [ 51.250627][ T4308] kernfs_remove_by_name_ns+0x10c/0x188 [ 51.252143][ T4308] sysfs_remove_group+0xf8/0x288 [ 51.253500][ T4308] sysfs_remove_groups+0x5c/0xb4 [ 51.254830][ T4308] __kobject_del+0x90/0x2d4 [ 51.256082][ T4308] kobject_del+0x48/0x68 [ 51.257257][ T4308] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 51.258873][ T4308] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 51.260430][ T4308] nbd_start_device+0x15c/0xa80 [ 51.261771][ T4308] nbd_ioctl+0x430/0xc40 [ 51.262892][ T4308] blkdev_ioctl+0x408/0xb40 [ 51.264130][ T4308] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.265500][ T4308] invoke_syscall+0x98/0x2c0 [ 51.266720][ T4308] el0_svc_common+0x138/0x258 [ 51.267931][ T4308] do_el0_svc+0x64/0x218 [ 51.269154][ T4308] el0_svc+0x58/0x168 [ 51.270221][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 51.271632][ T4308] el0t_64_sync+0x18c/0x190 [ 51.272850][ T4308] irq event stamp: 1798 [ 51.273948][ T4308] hardirqs last enabled at (1797): [] __up_console_sem+0xb4/0x100 [ 51.276454][ T4308] hardirqs last disabled at (1798): [] el1_dbg+0x24/0x80 [ 51.278702][ T4308] softirqs last enabled at (368): [] local_bh_enable+0x10/0x34 [ 51.281195][ T4308] softirqs last disabled at (366): [] local_bh_disable+0x10/0x34 [ 51.283717][ T4308] ---[ end trace 0000000000000000 ]--- [ 51.285406][ T4308] ------------[ cut here ]------------ [ 51.286866][ T4308] kernfs: can not remove 'nr_reserved_tags', no directory [ 51.289014][ T4308] WARNING: CPU: 0 PID: 4308 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 51.291659][ T4308] Modules linked in: [ 51.292648][ T4308] CPU: 0 PID: 4308 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 51.295250][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 51.298017][ T4308] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.300129][ T4308] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 51.301704][ T4308] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 51.303296][ T4308] sp : ffff80001dd87750 [ 51.304470][ T4308] x29: ffff80001dd87750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 51.306565][ T4308] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 51.308726][ T4308] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 51.310901][ T4308] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 51.313055][ T4308] x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4563bbc [ 51.315274][ T4308] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000001 [ 51.317448][ T4308] x11: 1fffe0001b013c10 x10: 0000000000000000 x9 : 824bdbeda2327e00 [ 51.319601][ T4308] x8 : 824bdbeda2327e00 x7 : ffff80000827db78 x6 : 0000000000000000 [ 51.321759][ T4308] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000826b8dc [ 51.323875][ T4308] x2 : 0000000000000001 x1 : 0000000000000004 x0 : 0000000000000001 [ 51.325984][ T4308] Call trace: [ 51.326835][ T4308] kernfs_remove_by_name_ns+0x10c/0x188 [ 51.328300][ T4308] sysfs_remove_group+0xf8/0x288 [ 51.329642][ T4308] sysfs_remove_groups+0x5c/0xb4 [ 51.330945][ T4308] __kobject_del+0x90/0x2d4 [ 51.332222][ T4308] kobject_del+0x48/0x68 [ 51.333394][ T4308] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 51.334989][ T4308] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 51.336563][ T4308] nbd_start_device+0x15c/0xa80 [ 51.337859][ T4308] nbd_ioctl+0x430/0xc40 [ 51.338980][ T4308] blkdev_ioctl+0x408/0xb40 [ 51.340225][ T4308] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.341563][ T4308] invoke_syscall+0x98/0x2c0 [ 51.342840][ T4308] el0_svc_common+0x138/0x258 [ 51.344087][ T4308] do_el0_svc+0x64/0x218 [ 51.345232][ T4308] el0_svc+0x58/0x168 [ 51.346391][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 51.347972][ T4308] el0t_64_sync+0x18c/0x190 [ 51.349244][ T4308] irq event stamp: 1854 [ 51.350359][ T4308] hardirqs last enabled at (1853): [] finish_lock_switch+0xbc/0x1e8 [ 51.353028][ T4308] hardirqs last disabled at (1854): [] el1_dbg+0x24/0x80 [ 51.355365][ T4308] softirqs last enabled at (1824): [] __do_softirq+0xc14/0xea0 [ 51.357876][ T4308] softirqs last disabled at (1801): [] ____do_softirq+0x14/0x20 [ 51.360400][ T4308] ---[ end trace 0000000000000000 ]--- [ 51.362002][ T4308] ------------[ cut here ]------------ [ 51.363441][ T4308] kernfs: can not remove 'cpu_list', no directory [ 51.365281][ T4308] WARNING: CPU: 0 PID: 4308 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 51.367890][ T4308] Modules linked in: [ 51.368881][ T4308] CPU: 0 PID: 4308 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 51.371525][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 51.374090][ T4308] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.376225][ T4308] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 51.377831][ T4308] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 51.379434][ T4308] sp : ffff80001dd87750 [ 51.380523][ T4308] x29: ffff80001dd87750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 51.382686][ T4308] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 51.384843][ T4308] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 51.386940][ T4308] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 51.388971][ T4308] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 51.391084][ T4308] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 51.393239][ T4308] x11: ff808000081af79c x10: 0000000000000000 x9 : 824bdbeda2327e00 [ 51.395380][ T4308] x8 : 824bdbeda2327e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.397473][ T4308] x5 : ffff80001dd87038 x4 : ffff8000158f29c0 x3 : ffff80000aa8604c [ 51.399610][ T4308] x2 : ffff0001b4563cd0 x1 : 0000000100000000 x0 : 0000000000000000 [ 51.401758][ T4308] Call trace: [ 51.402610][ T4308] kernfs_remove_by_name_ns+0x10c/0x188 [ 51.404169][ T4308] sysfs_remove_group+0xf8/0x288 [ 51.405523][ T4308] sysfs_remove_groups+0x5c/0xb4 [ 51.406853][ T4308] __kobject_del+0x90/0x2d4 [ 51.408091][ T4308] kobject_del+0x48/0x68 [ 51.409216][ T4308] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 51.410828][ T4308] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 51.412336][ T4308] nbd_start_device+0x15c/0xa80 [ 51.413642][ T4308] nbd_ioctl+0x430/0xc40 [ 51.414759][ T4308] blkdev_ioctl+0x408/0xb40 [ 51.415905][ T4308] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.417233][ T4308] invoke_syscall+0x98/0x2c0 [ 51.418496][ T4308] el0_svc_common+0x138/0x258 [ 51.419754][ T4308] do_el0_svc+0x64/0x218 [ 51.420906][ T4308] el0_svc+0x58/0x168 [ 51.421948][ T4308] el0t_64_sync_handler+0x84/0xf0 [ 51.423324][ T4308] el0t_64_sync+0x18c/0x190 [ 51.424515][ T4308] irq event stamp: 1896 [ 51.425622][ T4308] hardirqs last enabled at (1895): [] __up_console_sem+0xb4/0x100 [ 51.428079][ T4308] hardirqs last disabled at (1896): [] el1_dbg+0x24/0x80 [ 51.430361][ T4308] softirqs last enabled at (1872): [] __do_softirq+0xc14/0xea0 [ 51.432799][ T4308] softirqs last disabled at (1857): [] ____do_softirq+0x14/0x20 [ 51.435285][ T4308] ---[ end trace 0000000000000000 ]--- [ 51.442002][ T4308] block nbd0: shutting down sockets executing program [ 51.554491][ T4311] block nbd0: Device being setup by another task [ 51.618764][ T4310] FAULT_INJECTION: forcing a failure. [ 51.618764][ T4310] name failslab, interval 1, probability 0, space 0, times 0 [ 51.622161][ T4310] CPU: 0 PID: 4310 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 51.624690][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 51.627491][ T4310] Call trace: [ 51.628374][ T4310] dump_backtrace+0x1c8/0x1f4 [ 51.629646][ T4310] show_stack+0x2c/0x3c [ 51.630804][ T4310] dump_stack_lvl+0x108/0x170 [ 51.632119][ T4310] dump_stack+0x1c/0x58 [ 51.633257][ T4310] should_fail_ex+0x408/0x5d4 [ 51.634516][ T4310] __should_failslab+0xc8/0x128 [ 51.635813][ T4310] should_failslab+0x10/0x28 [ 51.637009][ T4310] __kmem_cache_alloc_node+0x80/0x388 [ 51.638477][ T4310] __kmalloc_node_track_caller+0xbc/0x1c0 [ 51.640089][ T4310] kvasprintf+0x120/0x1f4 [ 51.641319][ T4310] kvasprintf_const+0xdc/0x230 [ 51.642602][ T4310] kobject_set_name_vargs+0xd0/0x1b8 [ 51.644031][ T4310] kobject_add+0x114/0x21c [ 51.645171][ T4310] blk_mq_register_hctx+0xc8/0x368 [ 51.646575][ T4310] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 51.648078][ T4310] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 51.649574][ T4310] nbd_start_device+0x15c/0xa80 [ 51.650867][ T4310] nbd_ioctl+0x430/0xc40 [ 51.651964][ T4310] blkdev_ioctl+0x408/0xb40 [ 51.653216][ T4310] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.654573][ T4310] invoke_syscall+0x98/0x2c0 [ 51.655797][ T4310] el0_svc_common+0x138/0x258 [ 51.657039][ T4310] do_el0_svc+0x64/0x218 [ 51.658145][ T4310] el0_svc+0x58/0x168 [ 51.659237][ T4310] el0t_64_sync_handler+0x84/0xf0 [ 51.660551][ T4310] el0t_64_sync+0x18c/0x190 [ 51.662706][ T4310] kobject: can not set name properly! [ 51.720323][ T4310] block nbd0: shutting down sockets executing program [ 51.847967][ T4313] ------------[ cut here ]------------ [ 51.849483][ T4313] kernfs: can not remove 'nr_tags', no directory [ 51.851246][ T4313] WARNING: CPU: 1 PID: 4313 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 51.853894][ T4313] Modules linked in: [ 51.854966][ T4313] CPU: 1 PID: 4313 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 51.857654][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 51.860323][ T4313] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.862339][ T4313] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 51.863897][ T4313] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 51.865534][ T4313] sp : ffff80001dda7750 [ 51.866646][ T4313] x29: ffff80001dda7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 51.868773][ T4313] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 51.870834][ T4313] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 51.872900][ T4313] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 51.875059][ T4313] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 51.877202][ T4313] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 51.879395][ T4313] x11: ff808000081af79c x10: 0000000000000000 x9 : c1d63f9ab6f85300 [ 51.881560][ T4313] x8 : c1d63f9ab6f85300 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.883656][ T4313] x5 : ffff80001dda7038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 51.885733][ T4313] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 51.887844][ T4313] Call trace: [ 51.888671][ T4313] kernfs_remove_by_name_ns+0x10c/0x188 [ 51.890181][ T4313] sysfs_remove_group+0xf8/0x288 [ 51.891526][ T4313] sysfs_remove_groups+0x5c/0xb4 [ 51.892891][ T4313] __kobject_del+0x90/0x2d4 [ 51.894188][ T4313] kobject_del+0x48/0x68 [ 51.895437][ T4313] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 51.897131][ T4313] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 51.898773][ T4313] nbd_start_device+0x15c/0xa80 [ 51.900081][ T4313] nbd_ioctl+0x430/0xc40 [ 51.901192][ T4313] blkdev_ioctl+0x408/0xb40 [ 51.902448][ T4313] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.903716][ T4313] invoke_syscall+0x98/0x2c0 [ 51.904944][ T4313] el0_svc_common+0x138/0x258 [ 51.906242][ T4313] do_el0_svc+0x64/0x218 [ 51.907428][ T4313] el0_svc+0x58/0x168 [ 51.908502][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 51.909860][ T4313] el0t_64_sync+0x18c/0x190 [ 51.911072][ T4313] irq event stamp: 1818 [ 51.912189][ T4313] hardirqs last enabled at (1817): [] __up_console_sem+0xb4/0x100 [ 51.914761][ T4313] hardirqs last disabled at (1818): [] el1_dbg+0x24/0x80 [ 51.917088][ T4313] softirqs last enabled at (156): [] __do_softirq+0xc14/0xea0 [ 51.919554][ T4313] softirqs last disabled at (117): [] ____do_softirq+0x14/0x20 [ 51.922052][ T4313] ---[ end trace 0000000000000000 ]--- [ 51.923681][ T4313] ------------[ cut here ]------------ [ 51.925230][ T4313] kernfs: can not remove 'nr_reserved_tags', no directory [ 51.927307][ T4313] WARNING: CPU: 1 PID: 4313 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 51.929954][ T4313] Modules linked in: [ 51.931063][ T4313] CPU: 1 PID: 4313 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 51.933718][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 51.936381][ T4313] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.938455][ T4313] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 51.940016][ T4313] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 51.941591][ T4313] sp : ffff80001dda7750 [ 51.942680][ T4313] x29: ffff80001dda7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 51.944933][ T4313] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 51.947088][ T4313] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 51.949153][ T4313] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 51.951366][ T4313] x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4583bbc [ 51.953469][ T4313] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000003 [ 51.955623][ T4313] x11: ff8080000aad6a88 x10: 0000000000000003 x9 : c1d63f9ab6f85300 [ 51.957803][ T4313] x8 : c1d63f9ab6f85300 x7 : ffff80000827db78 x6 : 0000000000000000 [ 51.960018][ T4313] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 51.962227][ T4313] x2 : 0000000000000006 x1 : ffff80001228c340 x0 : ffff80019ee22000 [ 51.964384][ T4313] Call trace: [ 51.965238][ T4313] kernfs_remove_by_name_ns+0x10c/0x188 [ 51.966692][ T4313] sysfs_remove_group+0xf8/0x288 [ 51.967994][ T4313] sysfs_remove_groups+0x5c/0xb4 [ 51.969313][ T4313] __kobject_del+0x90/0x2d4 [ 51.970555][ T4313] kobject_del+0x48/0x68 [ 51.971697][ T4313] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 51.973332][ T4313] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 51.974910][ T4313] nbd_start_device+0x15c/0xa80 [ 51.976228][ T4313] nbd_ioctl+0x430/0xc40 [ 51.977408][ T4313] blkdev_ioctl+0x408/0xb40 [ 51.978596][ T4313] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.979891][ T4313] invoke_syscall+0x98/0x2c0 [ 51.981069][ T4313] el0_svc_common+0x138/0x258 [ 51.982291][ T4313] do_el0_svc+0x64/0x218 [ 51.983404][ T4313] el0_svc+0x58/0x168 [ 51.984488][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 51.985866][ T4313] el0t_64_sync+0x18c/0x190 [ 51.987116][ T4313] irq event stamp: 1868 [ 51.988146][ T4313] hardirqs last enabled at (1867): [] finish_lock_switch+0xbc/0x1e8 [ 51.990693][ T4313] hardirqs last disabled at (1868): [] el1_dbg+0x24/0x80 [ 51.993075][ T4313] softirqs last enabled at (1850): [] __do_softirq+0xc14/0xea0 [ 51.995591][ T4313] softirqs last disabled at (1845): [] ____do_softirq+0x14/0x20 [ 51.998092][ T4313] ---[ end trace 0000000000000000 ]--- [ 51.999857][ T4313] ------------[ cut here ]------------ [ 52.001388][ T4313] kernfs: can not remove 'cpu_list', no directory [ 52.003310][ T4313] WARNING: CPU: 0 PID: 4313 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 52.005950][ T4313] Modules linked in: [ 52.007005][ T4313] CPU: 0 PID: 4313 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 52.009712][ T4313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 52.012405][ T4313] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.014537][ T4313] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 52.016193][ T4313] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 52.017805][ T4313] sp : ffff80001dda7750 [ 52.018972][ T4313] x29: ffff80001dda7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 52.021310][ T4313] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 52.023385][ T4313] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 52.025660][ T4313] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 52.027839][ T4313] x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4563bbc [ 52.030101][ T4313] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000003 [ 52.032388][ T4313] x11: ff8080000aad6a88 x10: 0000000000000003 x9 : c1d63f9ab6f85300 [ 52.034537][ T4313] x8 : c1d63f9ab6f85300 x7 : ffff80000827db78 x6 : 0000000000000000 [ 52.036698][ T4313] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 52.038878][ T4313] x2 : 0000000000000006 x1 : ffff80001228c340 x0 : ffff80019ee02000 [ 52.041056][ T4313] Call trace: [ 52.041995][ T4313] kernfs_remove_by_name_ns+0x10c/0x188 [ 52.043529][ T4313] sysfs_remove_group+0xf8/0x288 [ 52.044902][ T4313] sysfs_remove_groups+0x5c/0xb4 [ 52.046205][ T4313] __kobject_del+0x90/0x2d4 [ 52.047513][ T4313] kobject_del+0x48/0x68 [ 52.048641][ T4313] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 52.050244][ T4313] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 52.051795][ T4313] nbd_start_device+0x15c/0xa80 [ 52.053090][ T4313] nbd_ioctl+0x430/0xc40 [ 52.054218][ T4313] blkdev_ioctl+0x408/0xb40 [ 52.055497][ T4313] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.056809][ T4313] invoke_syscall+0x98/0x2c0 [ 52.058014][ T4313] el0_svc_common+0x138/0x258 [ 52.059214][ T4313] do_el0_svc+0x64/0x218 [ 52.060346][ T4313] el0_svc+0x58/0x168 [ 52.061367][ T4313] el0t_64_sync_handler+0x84/0xf0 [ 52.062688][ T4313] el0t_64_sync+0x18c/0x190 [ 52.063957][ T4313] irq event stamp: 1938 [ 52.065073][ T4313] hardirqs last enabled at (1937): [] finish_lock_switch+0xbc/0x1e8 [ 52.067677][ T4313] hardirqs last disabled at (1938): [] el1_dbg+0x24/0x80 [ 52.070023][ T4313] softirqs last enabled at (1908): [] __do_softirq+0xc14/0xea0 [ 52.072472][ T4313] softirqs last disabled at (1871): [] ____do_softirq+0x14/0x20 [ 52.074909][ T4313] ---[ end trace 0000000000000000 ]--- [ 52.188634][ T4313] block nbd0: shutting down sockets executing program [ 52.285100][ T4315] FAULT_INJECTION: forcing a failure. [ 52.285100][ T4315] name failslab, interval 1, probability 0, space 0, times 0 [ 52.288318][ T4315] CPU: 0 PID: 4315 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 52.290944][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 52.293619][ T4315] Call trace: [ 52.294412][ T4315] dump_backtrace+0x1c8/0x1f4 [ 52.295702][ T4315] show_stack+0x2c/0x3c [ 52.296785][ T4315] dump_stack_lvl+0x108/0x170 [ 52.298011][ T4315] dump_stack+0x1c/0x58 [ 52.299134][ T4315] should_fail_ex+0x408/0x5d4 [ 52.300434][ T4315] __should_failslab+0xc8/0x128 [ 52.301716][ T4315] should_failslab+0x10/0x28 [ 52.302961][ T4315] slab_pre_alloc_hook+0x6c/0x33c [ 52.304317][ T4315] kmem_cache_alloc_lru+0x64/0x2f8 [ 52.305655][ T4315] __d_alloc+0x40/0x6ac [ 52.306761][ T4315] d_alloc_parallel+0xb8/0x1184 [ 52.308051][ T4315] __lookup_slow+0x108/0x374 [ 52.309329][ T4315] lookup_one_len+0x178/0x28c [ 52.310576][ T4315] start_creating+0x19c/0x2e0 [ 52.311865][ T4315] debugfs_create_dir+0x34/0x404 [ 52.313210][ T4315] nbd_start_device+0x358/0xa80 [ 52.314547][ T4315] nbd_ioctl+0x430/0xc40 [ 52.315702][ T4315] blkdev_ioctl+0x408/0xb40 [ 52.316968][ T4315] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.318259][ T4315] invoke_syscall+0x98/0x2c0 [ 52.319500][ T4315] el0_svc_common+0x138/0x258 [ 52.320732][ T4315] do_el0_svc+0x64/0x218 [ 52.321864][ T4315] el0_svc+0x58/0x168 [ 52.322981][ T4315] el0t_64_sync_handler+0x84/0xf0 [ 52.324328][ T4315] el0t_64_sync+0x18c/0x190 [ 52.325622][ T4315] block nbd0: Failed to create debugfs dir for 'nbd0' [ 52.446365][ T4315] block nbd0: shutting down sockets executing program [ 52.584451][ T4318] block nbd0: Device being setup by another task [ 52.628660][ T4317] FAULT_INJECTION: forcing a failure. [ 52.628660][ T4317] name failslab, interval 1, probability 0, space 0, times 0 [ 52.632011][ T4317] CPU: 0 PID: 4317 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 52.634579][ T4317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 52.637233][ T4317] Call trace: [ 52.638074][ T4317] dump_backtrace+0x1c8/0x1f4 [ 52.639310][ T4317] show_stack+0x2c/0x3c [ 52.640398][ T4317] dump_stack_lvl+0x108/0x170 [ 52.641679][ T4317] dump_stack+0x1c/0x58 [ 52.642771][ T4317] should_fail_ex+0x408/0x5d4 [ 52.643956][ T4317] __should_failslab+0xc8/0x128 [ 52.645303][ T4317] should_failslab+0x10/0x28 [ 52.646570][ T4317] __kmem_cache_alloc_node+0x80/0x388 [ 52.648037][ T4317] __kmalloc_node_track_caller+0xbc/0x1c0 [ 52.649537][ T4317] kvasprintf+0x120/0x1f4 [ 52.650684][ T4317] kvasprintf_const+0xdc/0x230 [ 52.651972][ T4317] kobject_set_name_vargs+0xd0/0x1b8 [ 52.653388][ T4317] kobject_add+0x114/0x21c [ 52.654552][ T4317] blk_mq_register_hctx+0xc8/0x368 [ 52.655942][ T4317] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 52.657460][ T4317] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 52.658944][ T4317] nbd_start_device+0x15c/0xa80 [ 52.660300][ T4317] nbd_ioctl+0x430/0xc40 [ 52.661393][ T4317] blkdev_ioctl+0x408/0xb40 [ 52.662600][ T4317] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.663922][ T4317] invoke_syscall+0x98/0x2c0 [ 52.665151][ T4317] el0_svc_common+0x138/0x258 [ 52.666341][ T4317] do_el0_svc+0x64/0x218 [ 52.667483][ T4317] el0_svc+0x58/0x168 [ 52.668516][ T4317] el0t_64_sync_handler+0x84/0xf0 [ 52.669840][ T4317] el0t_64_sync+0x18c/0x190 [ 52.671351][ T4317] kobject: can not set name properly! [ 52.721872][ T4317] block nbd0: shutting down sockets executing program [ 52.844410][ T4321] block nbd0: Device being setup by another task [ 52.846307][ T4320] FAULT_INJECTION: forcing a failure. [ 52.846307][ T4320] name failslab, interval 1, probability 0, space 0, times 0 [ 52.849639][ T4320] CPU: 1 PID: 4320 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 52.852239][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 52.854856][ T4320] Call trace: [ 52.855773][ T4320] dump_backtrace+0x1c8/0x1f4 [ 52.857000][ T4320] show_stack+0x2c/0x3c [ 52.858115][ T4320] dump_stack_lvl+0x108/0x170 [ 52.859320][ T4320] dump_stack+0x1c/0x58 [ 52.860411][ T4320] should_fail_ex+0x408/0x5d4 [ 52.861601][ T4320] __should_failslab+0xc8/0x128 [ 52.862934][ T4320] should_failslab+0x10/0x28 [ 52.864156][ T4320] slab_pre_alloc_hook+0x6c/0x33c [ 52.865505][ T4320] kmem_cache_alloc_lru+0x64/0x2f8 [ 52.866905][ T4320] new_inode_pseudo+0xe0/0x1d0 [ 52.868161][ T4320] new_inode+0x38/0x174 [ 52.869284][ T4320] debugfs_create_dir+0xf0/0x404 [ 52.870696][ T4320] nbd_start_device+0x358/0xa80 [ 52.871977][ T4320] nbd_ioctl+0x430/0xc40 [ 52.873069][ T4320] blkdev_ioctl+0x408/0xb40 [ 52.874246][ T4320] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.875538][ T4320] invoke_syscall+0x98/0x2c0 [ 52.876770][ T4320] el0_svc_common+0x138/0x258 [ 52.878031][ T4320] do_el0_svc+0x64/0x218 [ 52.879136][ T4320] el0_svc+0x58/0x168 [ 52.880185][ T4320] el0t_64_sync_handler+0x84/0xf0 [ 52.881548][ T4320] el0t_64_sync+0x18c/0x190 [ 52.882903][ T4320] debugfs: out of free dentries, can not create directory 'nbd0' [ 52.885048][ T4320] block nbd0: Failed to create debugfs dir for 'nbd0' [ 52.996605][ T4320] block nbd0: shutting down sockets executing program [ 53.138745][ T4323] ------------[ cut here ]------------ [ 53.140243][ T4323] kernfs: can not remove 'nr_tags', no directory [ 53.142142][ T4323] WARNING: CPU: 0 PID: 4323 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 53.144698][ T4323] Modules linked in: [ 53.145740][ T4323] CPU: 0 PID: 4323 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.148372][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.151019][ T4323] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.153123][ T4323] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 53.154720][ T4323] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 53.156245][ T4323] sp : ffff80001ddc7750 [ 53.157366][ T4323] x29: ffff80001ddc7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 53.159537][ T4323] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 53.161698][ T4323] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 53.163905][ T4323] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 53.166080][ T4323] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 53.168258][ T4323] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 53.170372][ T4323] x11: ff808000081af79c x10: 0000000000000000 x9 : 13789c1969932b00 [ 53.172489][ T4323] x8 : 13789c1969932b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.174573][ T4323] x5 : ffff80001ddc7038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 53.176687][ T4323] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.178777][ T4323] Call trace: [ 53.179686][ T4323] kernfs_remove_by_name_ns+0x10c/0x188 [ 53.181198][ T4323] sysfs_remove_group+0xf8/0x288 [ 53.182510][ T4323] sysfs_remove_groups+0x5c/0xb4 [ 53.183851][ T4323] __kobject_del+0x90/0x2d4 [ 53.185050][ T4323] kobject_del+0x48/0x68 [ 53.186168][ T4323] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 53.187793][ T4323] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 53.189344][ T4323] nbd_start_device+0x15c/0xa80 [ 53.190634][ T4323] nbd_ioctl+0x430/0xc40 [ 53.191747][ T4323] blkdev_ioctl+0x408/0xb40 [ 53.192906][ T4323] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.194258][ T4323] invoke_syscall+0x98/0x2c0 [ 53.195501][ T4323] el0_svc_common+0x138/0x258 [ 53.196757][ T4323] do_el0_svc+0x64/0x218 [ 53.197901][ T4323] el0_svc+0x58/0x168 [ 53.198975][ T4323] el0t_64_sync_handler+0x84/0xf0 [ 53.200273][ T4323] el0t_64_sync+0x18c/0x190 [ 53.201531][ T4323] irq event stamp: 1770 [ 53.202622][ T4323] hardirqs last enabled at (1769): [] __up_console_sem+0xb4/0x100 [ 53.205149][ T4323] hardirqs last disabled at (1770): [] el1_dbg+0x24/0x80 [ 53.207431][ T4323] softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 [ 53.209786][ T4323] softirqs last disabled at (6): [] local_bh_disable+0x10/0x34 [ 53.212181][ T4323] ---[ end trace 0000000000000000 ]--- [ 53.214036][ T4323] ------------[ cut here ]------------ [ 53.215553][ T4323] kernfs: can not remove 'nr_reserved_tags', no directory [ 53.217647][ T4323] WARNING: CPU: 0 PID: 4323 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 53.220200][ T4323] Modules linked in: [ 53.221295][ T4323] CPU: 0 PID: 4323 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.223949][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.226687][ T4323] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.228820][ T4323] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 53.230373][ T4323] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 53.231934][ T4323] sp : ffff80001ddc7750 [ 53.233037][ T4323] x29: ffff80001ddc7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 53.235132][ T4323] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 53.237278][ T4323] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 53.239407][ T4323] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 53.241519][ T4323] x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4563bbc [ 53.243663][ T4323] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000003 [ 53.245784][ T4323] x11: ff8080000aad6a88 x10: 0000000000000003 x9 : 13789c1969932b00 [ 53.247921][ T4323] x8 : 13789c1969932b00 x7 : ffff80000827db78 x6 : 0000000000000000 [ 53.250084][ T4323] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 53.252204][ T4323] x2 : 0000000000000006 x1 : ffff80001228c340 x0 : ffff80019ee02000 [ 53.254287][ T4323] Call trace: [ 53.255163][ T4323] kernfs_remove_by_name_ns+0x10c/0x188 [ 53.256659][ T4323] sysfs_remove_group+0xf8/0x288 [ 53.257950][ T4323] sysfs_remove_groups+0x5c/0xb4 [ 53.259300][ T4323] __kobject_del+0x90/0x2d4 [ 53.260495][ T4323] kobject_del+0x48/0x68 [ 53.261649][ T4323] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 53.263260][ T4323] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 53.264763][ T4323] nbd_start_device+0x15c/0xa80 [ 53.266080][ T4323] nbd_ioctl+0x430/0xc40 [ 53.267193][ T4323] blkdev_ioctl+0x408/0xb40 [ 53.268353][ T4323] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.269662][ T4323] invoke_syscall+0x98/0x2c0 [ 53.270892][ T4323] el0_svc_common+0x138/0x258 [ 53.272126][ T4323] do_el0_svc+0x64/0x218 [ 53.273237][ T4323] el0_svc+0x58/0x168 [ 53.274356][ T4323] el0t_64_sync_handler+0x84/0xf0 [ 53.275674][ T4323] el0t_64_sync+0x18c/0x190 [ 53.276924][ T4323] irq event stamp: 1834 [ 53.278024][ T4323] hardirqs last enabled at (1833): [] finish_lock_switch+0xbc/0x1e8 [ 53.280661][ T4323] hardirqs last disabled at (1834): [] el1_dbg+0x24/0x80 [ 53.282932][ T4323] softirqs last enabled at (1816): [] __do_softirq+0xc14/0xea0 [ 53.285375][ T4323] softirqs last disabled at (1811): [] ____do_softirq+0x14/0x20 [ 53.287805][ T4323] ---[ end trace 0000000000000000 ]--- [ 53.289447][ T4323] ------------[ cut here ]------------ [ 53.290897][ T4323] kernfs: can not remove 'cpu_list', no directory [ 53.292785][ T4323] WARNING: CPU: 0 PID: 4323 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 53.295328][ T4323] Modules linked in: [ 53.296343][ T4323] CPU: 0 PID: 4323 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.299051][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.301759][ T4323] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.303863][ T4323] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 53.305441][ T4323] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 53.307051][ T4323] sp : ffff80001ddc7750 [ 53.308190][ T4323] x29: ffff80001ddc7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 53.310301][ T4323] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 53.312475][ T4323] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 53.314576][ T4323] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 53.316771][ T4323] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 53.318955][ T4323] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 53.321066][ T4323] x11: ff808000081af79c x10: 0000000000000000 x9 : 13789c1969932b00 [ 53.323142][ T4323] x8 : 13789c1969932b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.325243][ T4323] x5 : ffff80001ddc7038 x4 : ffff8000158f29c0 x3 : ffff80000aa8604c [ 53.327427][ T4323] x2 : ffff0001b4563cd0 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.329562][ T4323] Call trace: [ 53.330498][ T4323] kernfs_remove_by_name_ns+0x10c/0x188 [ 53.331966][ T4323] sysfs_remove_group+0xf8/0x288 [ 53.333339][ T4323] sysfs_remove_groups+0x5c/0xb4 [ 53.334626][ T4323] __kobject_del+0x90/0x2d4 [ 53.335858][ T4323] kobject_del+0x48/0x68 [ 53.336960][ T4323] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 53.338572][ T4323] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 53.340107][ T4323] nbd_start_device+0x15c/0xa80 [ 53.341422][ T4323] nbd_ioctl+0x430/0xc40 [ 53.342605][ T4323] blkdev_ioctl+0x408/0xb40 [ 53.343817][ T4323] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.345103][ T4323] invoke_syscall+0x98/0x2c0 [ 53.346329][ T4323] el0_svc_common+0x138/0x258 [ 53.347573][ T4323] do_el0_svc+0x64/0x218 [ 53.348679][ T4323] el0_svc+0x58/0x168 [ 53.349705][ T4323] el0t_64_sync_handler+0x84/0xf0 [ 53.351004][ T4323] el0t_64_sync+0x18c/0x190 [ 53.352220][ T4323] irq event stamp: 1882 [ 53.353311][ T4323] hardirqs last enabled at (1881): [] __up_console_sem+0xb4/0x100 [ 53.355836][ T4323] hardirqs last disabled at (1882): [] el1_dbg+0x24/0x80 [ 53.358133][ T4323] softirqs last enabled at (1860): [] __do_softirq+0xc14/0xea0 [ 53.360624][ T4323] softirqs last disabled at (1837): [] ____do_softirq+0x14/0x20 [ 53.363025][ T4323] ---[ end trace 0000000000000000 ]--- [ 53.404666][ T4323] block nbd0: shutting down sockets executing program [ 53.554534][ T4326] block nbd0: Device being setup by another task [ 53.598693][ T4325] FAULT_INJECTION: forcing a failure. [ 53.598693][ T4325] name failslab, interval 1, probability 0, space 0, times 0 [ 53.602110][ T4325] CPU: 1 PID: 4325 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.604725][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.607409][ T4325] Call trace: [ 53.608295][ T4325] dump_backtrace+0x1c8/0x1f4 [ 53.609560][ T4325] show_stack+0x2c/0x3c [ 53.610648][ T4325] dump_stack_lvl+0x108/0x170 [ 53.611909][ T4325] dump_stack+0x1c/0x58 [ 53.612997][ T4325] should_fail_ex+0x408/0x5d4 [ 53.614226][ T4325] __should_failslab+0xc8/0x128 [ 53.615529][ T4325] should_failslab+0x10/0x28 [ 53.616762][ T4325] __kmem_cache_alloc_node+0x80/0x388 [ 53.618135][ T4325] __kmalloc_node_track_caller+0xbc/0x1c0 [ 53.619664][ T4325] kstrdup_const+0x90/0xdc [ 53.620846][ T4325] __kernfs_new_node+0xa8/0x684 [ 53.622100][ T4325] kernfs_create_dir_ns+0xac/0x238 [ 53.623519][ T4325] sysfs_create_dir_ns+0x150/0x318 [ 53.624845][ T4325] kobject_add_internal+0x598/0xb14 [ 53.626228][ T4325] kobject_add+0x14c/0x21c [ 53.627417][ T4325] blk_mq_register_hctx+0xc8/0x368 [ 53.628786][ T4325] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 53.630345][ T4325] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 53.631847][ T4325] nbd_start_device+0x15c/0xa80 [ 53.633103][ T4325] nbd_ioctl+0x430/0xc40 [ 53.634200][ T4325] blkdev_ioctl+0x408/0xb40 [ 53.635413][ T4325] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.636728][ T4325] invoke_syscall+0x98/0x2c0 [ 53.637912][ T4325] el0_svc_common+0x138/0x258 [ 53.639147][ T4325] do_el0_svc+0x64/0x218 [ 53.640306][ T4325] el0_svc+0x58/0x168 [ 53.641365][ T4325] el0t_64_sync_handler+0x84/0xf0 [ 53.642740][ T4325] el0t_64_sync+0x18c/0x190 [ 53.644038][ T4325] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 53.679356][ T4325] block nbd0: shutting down sockets executing program [ 53.837647][ T4328] ------------[ cut here ]------------ [ 53.839039][ T4328] kernfs: can not remove 'nr_tags', no directory [ 53.840817][ T4328] WARNING: CPU: 1 PID: 4328 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 53.843421][ T4328] Modules linked in: [ 53.844389][ T4328] CPU: 1 PID: 4328 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.847053][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.849765][ T4328] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.851859][ T4328] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 53.853446][ T4328] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 53.855003][ T4328] sp : ffff80001ddc7750 [ 53.856039][ T4328] x29: ffff80001ddc7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 53.858184][ T4328] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 53.860258][ T4328] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 53.862389][ T4328] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 53.864441][ T4328] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 53.866536][ T4328] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 53.868663][ T4328] x11: ff808000081af79c x10: 0000000000000000 x9 : c558faa0080c6300 [ 53.870753][ T4328] x8 : c558faa0080c6300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.872926][ T4328] x5 : ffff80001ddc7038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 53.875021][ T4328] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.877193][ T4328] Call trace: [ 53.878065][ T4328] kernfs_remove_by_name_ns+0x10c/0x188 [ 53.879609][ T4328] sysfs_remove_group+0xf8/0x288 [ 53.880936][ T4328] sysfs_remove_groups+0x5c/0xb4 [ 53.882243][ T4328] __kobject_del+0x90/0x2d4 [ 53.883499][ T4328] kobject_del+0x48/0x68 [ 53.884633][ T4328] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 53.886219][ T4328] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 53.887706][ T4328] nbd_start_device+0x15c/0xa80 [ 53.889009][ T4328] nbd_ioctl+0x430/0xc40 [ 53.890188][ T4328] blkdev_ioctl+0x408/0xb40 [ 53.891367][ T4328] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.892695][ T4328] invoke_syscall+0x98/0x2c0 [ 53.893936][ T4328] el0_svc_common+0x138/0x258 [ 53.895220][ T4328] do_el0_svc+0x64/0x218 [ 53.896343][ T4328] el0_svc+0x58/0x168 [ 53.897437][ T4328] el0t_64_sync_handler+0x84/0xf0 [ 53.898751][ T4328] el0t_64_sync+0x18c/0x190 [ 53.899983][ T4328] irq event stamp: 1772 [ 53.901059][ T4328] hardirqs last enabled at (1771): [] __up_console_sem+0xb4/0x100 [ 53.903534][ T4328] hardirqs last disabled at (1772): [] el1_dbg+0x24/0x80 [ 53.905837][ T4328] softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 [ 53.908221][ T4328] softirqs last disabled at (6): [] local_bh_disable+0x10/0x34 [ 53.910683][ T4328] ---[ end trace 0000000000000000 ]--- [ 53.912373][ T4328] ------------[ cut here ]------------ [ 53.913778][ T4328] kernfs: can not remove 'nr_reserved_tags', no directory [ 53.915846][ T4328] WARNING: CPU: 1 PID: 4328 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 53.918391][ T4328] Modules linked in: [ 53.919364][ T4328] CPU: 1 PID: 4328 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.921934][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 53.924570][ T4328] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.926635][ T4328] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 53.928205][ T4328] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 53.929715][ T4328] sp : ffff80001ddc7750 [ 53.930846][ T4328] x29: ffff80001ddc7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 53.932974][ T4328] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 53.935114][ T4328] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 53.937198][ T4328] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 53.939323][ T4328] x17: 0000000000000000 x16: ffff800012083740 x15: 0000000000000000 [ 53.941427][ T4328] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 53.943562][ T4328] x11: ff808000081af79c x10: 0000000000000000 x9 : c558faa0080c6300 [ 53.945644][ T4328] x8 : c558faa0080c6300 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.947843][ T4328] x5 : ffff80001ddc7038 x4 : ffff8000158f29c0 x3 : ffff80000834f5a8 [ 53.949924][ T4328] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 53.951955][ T4328] Call trace: [ 53.952841][ T4328] kernfs_remove_by_name_ns+0x10c/0x188 [ 53.954356][ T4328] sysfs_remove_group+0xf8/0x288 [ 53.955680][ T4328] sysfs_remove_groups+0x5c/0xb4 [ 53.957030][ T4328] __kobject_del+0x90/0x2d4 [ 53.958213][ T4328] kobject_del+0x48/0x68 [ 53.959376][ T4328] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 53.961006][ T4328] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 53.962539][ T4328] nbd_start_device+0x15c/0xa80 [ 53.963831][ T4328] nbd_ioctl+0x430/0xc40 [ 53.964976][ T4328] blkdev_ioctl+0x408/0xb40 [ 53.966190][ T4328] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.967552][ T4328] invoke_syscall+0x98/0x2c0 [ 53.968784][ T4328] el0_svc_common+0x138/0x258 [ 53.970004][ T4328] do_el0_svc+0x64/0x218 [ 53.971106][ T4328] el0_svc+0x58/0x168 [ 53.972195][ T4328] el0t_64_sync_handler+0x84/0xf0 [ 53.973558][ T4328] el0t_64_sync+0x18c/0x190 [ 53.974731][ T4328] irq event stamp: 1822 [ 53.975801][ T4328] hardirqs last enabled at (1821): [] __up_console_sem+0xb4/0x100 [ 53.978352][ T4328] hardirqs last disabled at (1822): [] el1_dbg+0x24/0x80 [ 53.980653][ T4328] softirqs last enabled at (1816): [] __do_softirq+0xc14/0xea0 [ 53.983119][ T4328] softirqs last disabled at (1809): [] ____do_softirq+0x14/0x20 [ 53.985572][ T4328] ---[ end trace 0000000000000000 ]--- [ 53.988230][ T4328] ------------[ cut here ]------------ [ 53.989656][ T4328] kernfs: can not remove 'cpu_list', no directory [ 53.991444][ T4328] WARNING: CPU: 1 PID: 4328 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 53.993990][ T4328] Modules linked in: [ 53.995017][ T4328] CPU: 1 PID: 4328 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 53.997618][ T4328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.000305][ T4328] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 54.002433][ T4328] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 54.004036][ T4328] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 54.005570][ T4328] sp : ffff80001ddc7750 [ 54.006679][ T4328] x29: ffff80001ddc7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 54.008788][ T4328] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 54.010899][ T4328] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 54.013020][ T4328] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 54.015116][ T4328] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 54.017311][ T4328] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 54.019459][ T4328] x11: ff808000081af79c x10: 0000000000000000 x9 : c558faa0080c6300 [ 54.021614][ T4328] x8 : c558faa0080c6300 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.023715][ T4328] x5 : ffff80001ddc7038 x4 : ffff8000158f29c0 x3 : ffff80000aa8604c [ 54.025884][ T4328] x2 : ffff0001b4583cd0 x1 : 0000000100000000 x0 : 0000000000000000 [ 54.027997][ T4328] Call trace: [ 54.028866][ T4328] kernfs_remove_by_name_ns+0x10c/0x188 [ 54.030389][ T4328] sysfs_remove_group+0xf8/0x288 [ 54.031752][ T4328] sysfs_remove_groups+0x5c/0xb4 [ 54.033059][ T4328] __kobject_del+0x90/0x2d4 [ 54.034185][ T4328] kobject_del+0x48/0x68 [ 54.035313][ T4328] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 54.036970][ T4328] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 54.038518][ T4328] nbd_start_device+0x15c/0xa80 [ 54.039804][ T4328] nbd_ioctl+0x430/0xc40 [ 54.040951][ T4328] blkdev_ioctl+0x408/0xb40 [ 54.042150][ T4328] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.043516][ T4328] invoke_syscall+0x98/0x2c0 [ 54.044705][ T4328] el0_svc_common+0x138/0x258 [ 54.045935][ T4328] do_el0_svc+0x64/0x218 [ 54.047049][ T4328] el0_svc+0x58/0x168 [ 54.048151][ T4328] el0t_64_sync_handler+0x84/0xf0 [ 54.049461][ T4328] el0t_64_sync+0x18c/0x190 [ 54.050656][ T4328] irq event stamp: 2794 [ 54.051718][ T4328] hardirqs last enabled at (2793): [] __up_console_sem+0xb4/0x100 [ 54.054217][ T4328] hardirqs last disabled at (2794): [] el1_dbg+0x24/0x80 [ 54.056394][ T4328] softirqs last enabled at (2768): [] __do_softirq+0xc14/0xea0 [ 54.058706][ T4328] softirqs last disabled at (1825): [] ____do_softirq+0x14/0x20 [ 54.061154][ T4328] ---[ end trace 0000000000000000 ]--- [ 54.067766][ T4328] block nbd0: shutting down sockets executing program [ 54.154998][ T4330] FAULT_INJECTION: forcing a failure. [ 54.154998][ T4330] name failslab, interval 1, probability 0, space 0, times 0 [ 54.158472][ T4330] CPU: 0 PID: 4330 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 54.161168][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.163888][ T4330] Call trace: [ 54.164750][ T4330] dump_backtrace+0x1c8/0x1f4 [ 54.165997][ T4330] show_stack+0x2c/0x3c [ 54.167126][ T4330] dump_stack_lvl+0x108/0x170 [ 54.168378][ T4330] dump_stack+0x1c/0x58 [ 54.169473][ T4330] should_fail_ex+0x408/0x5d4 [ 54.170716][ T4330] __should_failslab+0xc8/0x128 [ 54.172001][ T4330] should_failslab+0x10/0x28 [ 54.173191][ T4330] slab_pre_alloc_hook+0x6c/0x33c [ 54.174462][ T4330] kmem_cache_alloc_lru+0x64/0x2f8 [ 54.175825][ T4330] new_inode_pseudo+0xe0/0x1d0 [ 54.177056][ T4330] new_inode+0x38/0x174 [ 54.178182][ T4330] debugfs_create_dir+0xf0/0x404 [ 54.179484][ T4330] nbd_start_device+0x358/0xa80 [ 54.180786][ T4330] nbd_ioctl+0x430/0xc40 [ 54.181955][ T4330] blkdev_ioctl+0x408/0xb40 [ 54.183150][ T4330] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.184444][ T4330] invoke_syscall+0x98/0x2c0 [ 54.185610][ T4330] el0_svc_common+0x138/0x258 [ 54.186858][ T4330] do_el0_svc+0x64/0x218 [ 54.187923][ T4330] el0_svc+0x58/0x168 [ 54.188983][ T4330] el0t_64_sync_handler+0x84/0xf0 [ 54.190315][ T4330] el0t_64_sync+0x18c/0x190 [ 54.191745][ T4330] debugfs: out of free dentries, can not create directory 'nbd0' [ 54.193840][ T4330] block nbd0: Failed to create debugfs dir for 'nbd0' [ 54.316317][ T4330] block nbd0: shutting down sockets executing program [ 54.434532][ T4333] block nbd0: Device being setup by another task [ 54.499179][ T4332] FAULT_INJECTION: forcing a failure. [ 54.499179][ T4332] name failslab, interval 1, probability 0, space 0, times 0 [ 54.502571][ T4332] CPU: 1 PID: 4332 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 54.505253][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.507948][ T4332] Call trace: [ 54.508897][ T4332] dump_backtrace+0x1c8/0x1f4 [ 54.510184][ T4332] show_stack+0x2c/0x3c [ 54.511314][ T4332] dump_stack_lvl+0x108/0x170 [ 54.512524][ T4332] dump_stack+0x1c/0x58 [ 54.513619][ T4332] should_fail_ex+0x408/0x5d4 [ 54.514841][ T4332] __should_failslab+0xc8/0x128 [ 54.516146][ T4332] should_failslab+0x10/0x28 [ 54.517317][ T4332] __kmem_cache_alloc_node+0x80/0x388 [ 54.518767][ T4332] __kmalloc_node_track_caller+0xbc/0x1c0 [ 54.520349][ T4332] kstrdup_const+0x90/0xdc [ 54.521556][ T4332] __kernfs_new_node+0xa8/0x684 [ 54.522877][ T4332] kernfs_create_dir_ns+0xac/0x238 [ 54.524247][ T4332] sysfs_create_dir_ns+0x150/0x318 [ 54.525615][ T4332] kobject_add_internal+0x598/0xb14 [ 54.527015][ T4332] kobject_add+0x14c/0x21c [ 54.528144][ T4332] blk_mq_register_hctx+0xc8/0x368 [ 54.529528][ T4332] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 54.531056][ T4332] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 54.532588][ T4332] nbd_start_device+0x15c/0xa80 [ 54.533883][ T4332] nbd_ioctl+0x430/0xc40 [ 54.535022][ T4332] blkdev_ioctl+0x408/0xb40 [ 54.536183][ T4332] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.537527][ T4332] invoke_syscall+0x98/0x2c0 [ 54.538737][ T4332] el0_svc_common+0x138/0x258 [ 54.540022][ T4332] do_el0_svc+0x64/0x218 [ 54.541180][ T4332] el0_svc+0x58/0x168 [ 54.542229][ T4332] el0t_64_sync_handler+0x84/0xf0 [ 54.543621][ T4332] el0t_64_sync+0x18c/0x190 [ 54.544968][ T4332] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 54.591660][ T4332] block nbd0: shutting down sockets executing program [ 54.737675][ T4335] ------------[ cut here ]------------ [ 54.739136][ T4335] kernfs: can not remove 'nr_tags', no directory [ 54.740983][ T4335] WARNING: CPU: 0 PID: 4335 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 54.743618][ T4335] Modules linked in: [ 54.744628][ T4335] CPU: 0 PID: 4335 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 54.747200][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.749814][ T4335] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 54.751926][ T4335] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 54.753474][ T4335] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 54.755007][ T4335] sp : ffff80001dde7750 [ 54.756146][ T4335] x29: ffff80001dde7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 54.758300][ T4335] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 54.760422][ T4335] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 54.762636][ T4335] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 54.764760][ T4335] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 54.766922][ T4335] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 54.769132][ T4335] x11: ff808000081af79c x10: 0000000000000000 x9 : 0bf34175afb12900 [ 54.771235][ T4335] x8 : 0bf34175afb12900 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.773480][ T4335] x5 : ffff80001dde7038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 54.775619][ T4335] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 54.777772][ T4335] Call trace: [ 54.778681][ T4335] kernfs_remove_by_name_ns+0x10c/0x188 [ 54.780139][ T4335] sysfs_remove_group+0xf8/0x288 [ 54.781447][ T4335] sysfs_remove_groups+0x5c/0xb4 [ 54.782735][ T4335] __kobject_del+0x90/0x2d4 [ 54.784012][ T4335] kobject_del+0x48/0x68 [ 54.785280][ T4335] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 54.786912][ T4335] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 54.788487][ T4335] nbd_start_device+0x15c/0xa80 [ 54.789747][ T4335] nbd_ioctl+0x430/0xc40 [ 54.790913][ T4335] blkdev_ioctl+0x408/0xb40 [ 54.792159][ T4335] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.793494][ T4335] invoke_syscall+0x98/0x2c0 [ 54.794720][ T4335] el0_svc_common+0x138/0x258 [ 54.795931][ T4335] do_el0_svc+0x64/0x218 [ 54.797083][ T4335] el0_svc+0x58/0x168 [ 54.798115][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 54.799494][ T4335] el0t_64_sync+0x18c/0x190 [ 54.800699][ T4335] irq event stamp: 1782 [ 54.801808][ T4335] hardirqs last enabled at (1781): [] __up_console_sem+0xb4/0x100 [ 54.804411][ T4335] hardirqs last disabled at (1782): [] el1_dbg+0x24/0x80 [ 54.806668][ T4335] softirqs last enabled at (144): [] __do_softirq+0xc14/0xea0 [ 54.809199][ T4335] softirqs last disabled at (115): [] ____do_softirq+0x14/0x20 [ 54.811696][ T4335] ---[ end trace 0000000000000000 ]--- [ 54.813368][ T4335] ------------[ cut here ]------------ [ 54.814898][ T4335] kernfs: can not remove 'nr_reserved_tags', no directory [ 54.816916][ T4335] WARNING: CPU: 0 PID: 4335 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 54.819545][ T4335] Modules linked in: [ 54.820502][ T4335] CPU: 0 PID: 4335 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 54.823079][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.825727][ T4335] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 54.827766][ T4335] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 54.829325][ T4335] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 54.830874][ T4335] sp : ffff80001dde7750 [ 54.831959][ T4335] x29: ffff80001dde7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 54.834104][ T4335] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 54.836184][ T4335] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 54.838409][ T4335] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 54.840499][ T4335] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 54.842605][ T4335] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 54.844816][ T4335] x11: ff808000081af79c x10: 0000000000000000 x9 : 0bf34175afb12900 [ 54.846931][ T4335] x8 : 0bf34175afb12900 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.849058][ T4335] x5 : ffff80001dde7038 x4 : ffff8000158f29c0 x3 : ffff80000aa8604c [ 54.851252][ T4335] x2 : ffff0001b4563cd0 x1 : 0000000100000000 x0 : 0000000000000000 [ 54.853377][ T4335] Call trace: [ 54.854238][ T4335] kernfs_remove_by_name_ns+0x10c/0x188 [ 54.855682][ T4335] sysfs_remove_group+0xf8/0x288 [ 54.857028][ T4335] sysfs_remove_groups+0x5c/0xb4 [ 54.858408][ T4335] __kobject_del+0x90/0x2d4 [ 54.859603][ T4335] kobject_del+0x48/0x68 [ 54.860673][ T4335] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 54.862244][ T4335] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 54.863765][ T4335] nbd_start_device+0x15c/0xa80 [ 54.865073][ T4335] nbd_ioctl+0x430/0xc40 [ 54.866187][ T4335] blkdev_ioctl+0x408/0xb40 [ 54.867371][ T4335] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.868708][ T4335] invoke_syscall+0x98/0x2c0 [ 54.869954][ T4335] el0_svc_common+0x138/0x258 [ 54.871197][ T4335] do_el0_svc+0x64/0x218 [ 54.872339][ T4335] el0_svc+0x58/0x168 [ 54.873392][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 54.874751][ T4335] el0t_64_sync+0x18c/0x190 [ 54.875964][ T4335] irq event stamp: 1846 [ 54.877070][ T4335] hardirqs last enabled at (1845): [] __up_console_sem+0xb4/0x100 [ 54.879599][ T4335] hardirqs last disabled at (1846): [] el1_dbg+0x24/0x80 [ 54.881878][ T4335] softirqs last enabled at (1830): [] __do_softirq+0xc14/0xea0 [ 54.884327][ T4335] softirqs last disabled at (1819): [] ____do_softirq+0x14/0x20 [ 54.886829][ T4335] ---[ end trace 0000000000000000 ]--- [ 54.889590][ T4335] ------------[ cut here ]------------ [ 54.890997][ T4335] kernfs: can not remove 'cpu_list', no directory [ 54.892809][ T4335] WARNING: CPU: 0 PID: 4335 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 54.895386][ T4335] Modules linked in: [ 54.896404][ T4335] CPU: 0 PID: 4335 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 54.898990][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.901759][ T4335] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 54.903871][ T4335] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 54.905430][ T4335] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 54.906995][ T4335] sp : ffff80001dde7750 [ 54.908124][ T4335] x29: ffff80001dde7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 54.910276][ T4335] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 54.912474][ T4335] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 54.914566][ T4335] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 54.916698][ T4335] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 54.918917][ T4335] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 54.921130][ T4335] x11: ff808000081af79c x10: 0000000000000000 x9 : 0bf34175afb12900 [ 54.923247][ T4335] x8 : 0bf34175afb12900 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.925451][ T4335] x5 : ffff80001dde7038 x4 : ffff8000158f29c0 x3 : ffff80000aa8604c [ 54.927619][ T4335] x2 : ffff0001b4563cd0 x1 : 0000000100000000 x0 : 0000000000000000 [ 54.929864][ T4335] Call trace: [ 54.930760][ T4335] kernfs_remove_by_name_ns+0x10c/0x188 [ 54.932209][ T4335] sysfs_remove_group+0xf8/0x288 [ 54.933491][ T4335] sysfs_remove_groups+0x5c/0xb4 [ 54.934793][ T4335] __kobject_del+0x90/0x2d4 [ 54.935997][ T4335] kobject_del+0x48/0x68 [ 54.937110][ T4335] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 54.938707][ T4335] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 54.940287][ T4335] nbd_start_device+0x15c/0xa80 [ 54.941604][ T4335] nbd_ioctl+0x430/0xc40 [ 54.942748][ T4335] blkdev_ioctl+0x408/0xb40 [ 54.943939][ T4335] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.945310][ T4335] invoke_syscall+0x98/0x2c0 [ 54.946548][ T4335] el0_svc_common+0x138/0x258 [ 54.947941][ T4335] do_el0_svc+0x64/0x218 [ 54.949098][ T4335] el0_svc+0x58/0x168 [ 54.950225][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 54.951606][ T4335] el0t_64_sync+0x18c/0x190 [ 54.952794][ T4335] irq event stamp: 1990 [ 54.953924][ T4335] hardirqs last enabled at (1989): [] __up_console_sem+0xb4/0x100 [ 54.956392][ T4335] hardirqs last disabled at (1990): [] el1_dbg+0x24/0x80 [ 54.958660][ T4335] softirqs last enabled at (1964): [] __do_softirq+0xc14/0xea0 [ 54.961087][ T4335] softirqs last disabled at (1849): [] ____do_softirq+0x14/0x20 [ 54.963573][ T4335] ---[ end trace 0000000000000000 ]--- [ 54.965186][ T4335] FAULT_INJECTION: forcing a failure. [ 54.965186][ T4335] name failslab, interval 1, probability 0, space 0, times 0 [ 54.968608][ T4335] CPU: 0 PID: 4335 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 54.971196][ T4335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 54.973795][ T4335] Call trace: [ 54.974634][ T4335] dump_backtrace+0x1c8/0x1f4 [ 54.975872][ T4335] show_stack+0x2c/0x3c [ 54.977051][ T4335] dump_stack_lvl+0x108/0x170 [ 54.978291][ T4335] dump_stack+0x1c/0x58 [ 54.979395][ T4335] should_fail_ex+0x408/0x5d4 [ 54.980668][ T4335] __should_failslab+0xc8/0x128 [ 54.981924][ T4335] should_failslab+0x10/0x28 [ 54.983165][ T4335] __kmem_cache_alloc_node+0x80/0x388 [ 54.984658][ T4335] __kmalloc_node+0xcc/0x1d0 [ 54.985895][ T4335] blk_mq_update_nr_hw_queues+0x5c0/0xf4c [ 54.987426][ T4335] nbd_start_device+0x15c/0xa80 [ 54.988707][ T4335] nbd_ioctl+0x430/0xc40 [ 54.989879][ T4335] blkdev_ioctl+0x408/0xb40 [ 54.991043][ T4335] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.992433][ T4335] invoke_syscall+0x98/0x2c0 [ 54.993665][ T4335] el0_svc_common+0x138/0x258 [ 54.994890][ T4335] do_el0_svc+0x64/0x218 [ 54.996050][ T4335] el0_svc+0x58/0x168 [ 54.997140][ T4335] el0t_64_sync_handler+0x84/0xf0 [ 54.998488][ T4335] el0t_64_sync+0x18c/0x190 [ 55.003315][ T4335] block nbd0: shutting down sockets executing program [ 55.256074][ T4337] block nbd0: shutting down sockets executing program [ 55.354991][ T4339] FAULT_INJECTION: forcing a failure. [ 55.354991][ T4339] name failslab, interval 1, probability 0, space 0, times 0 [ 55.358372][ T4339] CPU: 0 PID: 4339 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 55.360994][ T4339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 55.363647][ T4339] Call trace: [ 55.364542][ T4339] dump_backtrace+0x1c8/0x1f4 [ 55.365830][ T4339] show_stack+0x2c/0x3c [ 55.366969][ T4339] dump_stack_lvl+0x108/0x170 [ 55.368209][ T4339] dump_stack+0x1c/0x58 [ 55.369349][ T4339] should_fail_ex+0x408/0x5d4 [ 55.370583][ T4339] __should_failslab+0xc8/0x128 [ 55.371876][ T4339] should_failslab+0x10/0x28 [ 55.373096][ T4339] slab_pre_alloc_hook+0x6c/0x33c [ 55.374466][ T4339] kmem_cache_alloc_lru+0x64/0x2f8 [ 55.375797][ T4339] __d_alloc+0x40/0x6ac [ 55.376873][ T4339] d_alloc_parallel+0xb8/0x1184 [ 55.378187][ T4339] __lookup_slow+0x108/0x374 [ 55.379434][ T4339] lookup_one_len+0x178/0x28c [ 55.380782][ T4339] start_creating+0x19c/0x2e0 [ 55.382060][ T4339] debugfs_create_dir+0x34/0x404 [ 55.383396][ T4339] nbd_start_device+0x358/0xa80 [ 55.384742][ T4339] nbd_ioctl+0x430/0xc40 [ 55.385867][ T4339] blkdev_ioctl+0x408/0xb40 [ 55.387053][ T4339] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.388395][ T4339] invoke_syscall+0x98/0x2c0 [ 55.389613][ T4339] el0_svc_common+0x138/0x258 [ 55.390842][ T4339] do_el0_svc+0x64/0x218 [ 55.391997][ T4339] el0_svc+0x58/0x168 [ 55.393028][ T4339] el0t_64_sync_handler+0x84/0xf0 [ 55.394396][ T4339] el0t_64_sync+0x18c/0x190 [ 55.395807][ T4339] block nbd0: Failed to create debugfs dir for 'nbd0' [ 55.516064][ T4339] block nbd0: shutting down sockets executing program [ 55.614954][ T4341] FAULT_INJECTION: forcing a failure. [ 55.614954][ T4341] name failslab, interval 1, probability 0, space 0, times 0 [ 55.618399][ T4341] CPU: 1 PID: 4341 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 55.620999][ T4341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 55.623671][ T4341] Call trace: [ 55.624576][ T4341] dump_backtrace+0x1c8/0x1f4 [ 55.625822][ T4341] show_stack+0x2c/0x3c [ 55.626984][ T4341] dump_stack_lvl+0x108/0x170 [ 55.628321][ T4341] dump_stack+0x1c/0x58 [ 55.629456][ T4341] should_fail_ex+0x408/0x5d4 [ 55.630726][ T4341] __should_failslab+0xc8/0x128 [ 55.632001][ T4341] should_failslab+0x10/0x28 [ 55.633191][ T4341] slab_pre_alloc_hook+0x6c/0x33c [ 55.634559][ T4341] kmem_cache_alloc_lru+0x64/0x2f8 [ 55.635930][ T4341] new_inode_pseudo+0xe0/0x1d0 [ 55.637184][ T4341] new_inode+0x38/0x174 [ 55.638372][ T4341] debugfs_create_dir+0xf0/0x404 [ 55.639743][ T4341] nbd_start_device+0x358/0xa80 [ 55.641065][ T4341] nbd_ioctl+0x430/0xc40 [ 55.642230][ T4341] blkdev_ioctl+0x408/0xb40 [ 55.643472][ T4341] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.644799][ T4341] invoke_syscall+0x98/0x2c0 [ 55.646043][ T4341] el0_svc_common+0x138/0x258 [ 55.647323][ T4341] do_el0_svc+0x64/0x218 [ 55.648438][ T4341] el0_svc+0x58/0x168 [ 55.649511][ T4341] el0t_64_sync_handler+0x84/0xf0 [ 55.650827][ T4341] el0t_64_sync+0x18c/0x190 [ 55.652275][ T4341] debugfs: out of free dentries, can not create directory 'nbd0' [ 55.654305][ T4341] block nbd0: Failed to create debugfs dir for 'nbd0' [ 55.776070][ T4341] block nbd0: shutting down sockets executing program [ 55.884969][ T4343] FAULT_INJECTION: forcing a failure. [ 55.884969][ T4343] name failslab, interval 1, probability 0, space 0, times 0 [ 55.888256][ T4343] CPU: 1 PID: 4343 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 55.890924][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 55.893590][ T4343] Call trace: [ 55.894476][ T4343] dump_backtrace+0x1c8/0x1f4 [ 55.895744][ T4343] show_stack+0x2c/0x3c [ 55.896781][ T4343] dump_stack_lvl+0x108/0x170 [ 55.898114][ T4343] dump_stack+0x1c/0x58 [ 55.899213][ T4343] should_fail_ex+0x408/0x5d4 [ 55.900475][ T4343] __should_failslab+0xc8/0x128 [ 55.901770][ T4343] should_failslab+0x10/0x28 [ 55.902965][ T4343] slab_pre_alloc_hook+0x6c/0x33c [ 55.904309][ T4343] kmem_cache_alloc_lru+0x64/0x2f8 [ 55.905704][ T4343] new_inode_pseudo+0xe0/0x1d0 [ 55.907008][ T4343] new_inode+0x38/0x174 [ 55.908101][ T4343] debugfs_create_dir+0xf0/0x404 [ 55.909404][ T4343] nbd_start_device+0x358/0xa80 [ 55.910725][ T4343] nbd_ioctl+0x430/0xc40 [ 55.911919][ T4343] blkdev_ioctl+0x408/0xb40 [ 55.913205][ T4343] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.914501][ T4343] invoke_syscall+0x98/0x2c0 [ 55.915772][ T4343] el0_svc_common+0x138/0x258 [ 55.917028][ T4343] do_el0_svc+0x64/0x218 [ 55.918173][ T4343] el0_svc+0x58/0x168 [ 55.919207][ T4343] el0t_64_sync_handler+0x84/0xf0 [ 55.920583][ T4343] el0t_64_sync+0x18c/0x190 [ 55.921879][ T4343] debugfs: out of free dentries, can not create directory 'nbd0' [ 55.923930][ T4343] block nbd0: Failed to create debugfs dir for 'nbd0' [ 56.046200][ T4343] block nbd0: shutting down sockets executing program [ 56.145015][ T4345] FAULT_INJECTION: forcing a failure. [ 56.145015][ T4345] name failslab, interval 1, probability 0, space 0, times 0 [ 56.148291][ T4345] CPU: 0 PID: 4345 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 56.150897][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 56.153534][ T4345] Call trace: [ 56.154401][ T4345] dump_backtrace+0x1c8/0x1f4 [ 56.155620][ T4345] show_stack+0x2c/0x3c [ 56.156716][ T4345] dump_stack_lvl+0x108/0x170 [ 56.157900][ T4345] dump_stack+0x1c/0x58 [ 56.159041][ T4345] should_fail_ex+0x408/0x5d4 [ 56.160317][ T4345] __should_failslab+0xc8/0x128 [ 56.161613][ T4345] should_failslab+0x10/0x28 [ 56.162863][ T4345] slab_pre_alloc_hook+0x6c/0x33c [ 56.164209][ T4345] kmem_cache_alloc_lru+0x64/0x2f8 [ 56.165602][ T4345] new_inode_pseudo+0xe0/0x1d0 [ 56.166875][ T4345] new_inode+0x38/0x174 [ 56.168003][ T4345] debugfs_create_dir+0xf0/0x404 [ 56.169332][ T4345] nbd_start_device+0x358/0xa80 [ 56.170634][ T4345] nbd_ioctl+0x430/0xc40 [ 56.171798][ T4345] blkdev_ioctl+0x408/0xb40 [ 56.173012][ T4345] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.174248][ T4345] invoke_syscall+0x98/0x2c0 [ 56.175472][ T4345] el0_svc_common+0x138/0x258 [ 56.176711][ T4345] do_el0_svc+0x64/0x218 [ 56.177826][ T4345] el0_svc+0x58/0x168 [ 56.178896][ T4345] el0t_64_sync_handler+0x84/0xf0 [ 56.180276][ T4345] el0t_64_sync+0x18c/0x190 [ 56.181741][ T4345] debugfs: out of free dentries, can not create directory 'nbd0' [ 56.183756][ T4345] block nbd0: Failed to create debugfs dir for 'nbd0' [ 56.306714][ T4345] block nbd0: shutting down sockets executing program [ 56.414415][ T4348] block nbd0: Device being setup by another task [ 56.458788][ T4347] FAULT_INJECTION: forcing a failure. [ 56.458788][ T4347] name failslab, interval 1, probability 0, space 0, times 0 [ 56.462166][ T4347] CPU: 1 PID: 4347 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 56.464832][ T4347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 56.467645][ T4347] Call trace: [ 56.468549][ T4347] dump_backtrace+0x1c8/0x1f4 [ 56.469813][ T4347] show_stack+0x2c/0x3c [ 56.471014][ T4347] dump_stack_lvl+0x108/0x170 [ 56.472331][ T4347] dump_stack+0x1c/0x58 [ 56.473478][ T4347] should_fail_ex+0x408/0x5d4 [ 56.474744][ T4347] __should_failslab+0xc8/0x128 [ 56.476005][ T4347] should_failslab+0x10/0x28 [ 56.477255][ T4347] __kmem_cache_alloc_node+0x80/0x388 [ 56.478753][ T4347] __kmalloc_node_track_caller+0xbc/0x1c0 [ 56.480248][ T4347] kvasprintf+0x120/0x1f4 [ 56.481426][ T4347] kvasprintf_const+0xdc/0x230 [ 56.482708][ T4347] kobject_set_name_vargs+0xd0/0x1b8 [ 56.484087][ T4347] kobject_add+0x114/0x21c [ 56.485246][ T4347] blk_mq_register_hctx+0xc8/0x368 [ 56.486597][ T4347] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 56.488029][ T4347] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 56.489489][ T4347] nbd_start_device+0x15c/0xa80 [ 56.490716][ T4347] nbd_ioctl+0x430/0xc40 [ 56.491787][ T4347] blkdev_ioctl+0x408/0xb40 [ 56.492968][ T4347] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.494194][ T4347] invoke_syscall+0x98/0x2c0 [ 56.495437][ T4347] el0_svc_common+0x138/0x258 [ 56.496684][ T4347] do_el0_svc+0x64/0x218 [ 56.497778][ T4347] el0_svc+0x58/0x168 [ 56.498792][ T4347] el0t_64_sync_handler+0x84/0xf0 [ 56.500027][ T4347] el0t_64_sync+0x18c/0x190 [ 56.501403][ T4347] kobject: can not set name properly! [ 56.612966][ T4347] block nbd0: shutting down sockets executing program [ 56.774432][ T4351] block nbd0: Device being setup by another task [ 56.776231][ T4350] FAULT_INJECTION: forcing a failure. [ 56.776231][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 56.779473][ T4350] CPU: 0 PID: 4350 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 56.782007][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 56.784595][ T4350] Call trace: [ 56.785471][ T4350] dump_backtrace+0x1c8/0x1f4 [ 56.786762][ T4350] show_stack+0x2c/0x3c [ 56.787865][ T4350] dump_stack_lvl+0x108/0x170 [ 56.789055][ T4350] dump_stack+0x1c/0x58 [ 56.790123][ T4350] should_fail_ex+0x408/0x5d4 [ 56.791345][ T4350] __should_failslab+0xc8/0x128 [ 56.792598][ T4350] should_failslab+0x10/0x28 [ 56.793777][ T4350] slab_pre_alloc_hook+0x6c/0x33c [ 56.795062][ T4350] kmem_cache_alloc_lru+0x64/0x2f8 [ 56.796459][ T4350] new_inode_pseudo+0xe0/0x1d0 [ 56.797686][ T4350] new_inode+0x38/0x174 [ 56.798765][ T4350] debugfs_create_dir+0xf0/0x404 [ 56.800045][ T4350] nbd_start_device+0x358/0xa80 [ 56.801333][ T4350] nbd_ioctl+0x430/0xc40 [ 56.802458][ T4350] blkdev_ioctl+0x408/0xb40 [ 56.803666][ T4350] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.804940][ T4350] invoke_syscall+0x98/0x2c0 [ 56.806185][ T4350] el0_svc_common+0x138/0x258 [ 56.807422][ T4350] do_el0_svc+0x64/0x218 [ 56.808536][ T4350] el0_svc+0x58/0x168 [ 56.809603][ T4350] el0t_64_sync_handler+0x84/0xf0 [ 56.810960][ T4350] el0t_64_sync+0x18c/0x190 [ 56.812359][ T4350] debugfs: out of free dentries, can not create directory 'nbd0' [ 56.814411][ T4350] block nbd0: Failed to create debugfs dir for 'nbd0' [ 56.888317][ T4350] block nbd0: shutting down sockets executing program [ 57.028545][ T4353] ------------[ cut here ]------------ [ 57.030024][ T4353] kernfs: can not remove 'nr_tags', no directory [ 57.031796][ T4353] WARNING: CPU: 0 PID: 4353 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 57.034429][ T4353] Modules linked in: [ 57.035459][ T4353] CPU: 0 PID: 4353 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 57.038113][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 57.040690][ T4353] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 57.042677][ T4353] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 57.044219][ T4353] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 57.045778][ T4353] sp : ffff80001dc37750 [ 57.046887][ T4353] x29: ffff80001dc37750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 57.048983][ T4353] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 57.051059][ T4353] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 57.053157][ T4353] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 57.055254][ T4353] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 57.057357][ T4353] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 57.059499][ T4353] x11: ff808000081af79c x10: 0000000000000000 x9 : 8ddb8ee8c9c2bb00 [ 57.061600][ T4353] x8 : 8ddb8ee8c9c2bb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.063690][ T4353] x5 : ffff80001dc37038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 57.065803][ T4353] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 57.067861][ T4353] Call trace: [ 57.068734][ T4353] kernfs_remove_by_name_ns+0x10c/0x188 [ 57.070211][ T4353] sysfs_remove_group+0xf8/0x288 [ 57.071488][ T4353] sysfs_remove_groups+0x5c/0xb4 [ 57.072870][ T4353] __kobject_del+0x90/0x2d4 [ 57.074083][ T4353] kobject_del+0x48/0x68 [ 57.075175][ T4353] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 57.076741][ T4353] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 57.078283][ T4353] nbd_start_device+0x15c/0xa80 [ 57.079550][ T4353] nbd_ioctl+0x430/0xc40 [ 57.080680][ T4353] blkdev_ioctl+0x408/0xb40 [ 57.081845][ T4353] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.083158][ T4353] invoke_syscall+0x98/0x2c0 [ 57.084406][ T4353] el0_svc_common+0x138/0x258 [ 57.085638][ T4353] do_el0_svc+0x64/0x218 [ 57.086771][ T4353] el0_svc+0x58/0x168 [ 57.087850][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 57.089125][ T4353] el0t_64_sync+0x18c/0x190 [ 57.090261][ T4353] irq event stamp: 2494 [ 57.091421][ T4353] hardirqs last enabled at (2493): [] __up_console_sem+0xb4/0x100 [ 57.093948][ T4353] hardirqs last disabled at (2494): [] el1_dbg+0x24/0x80 [ 57.096142][ T4353] softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 [ 57.098543][ T4353] softirqs last disabled at (6): [] local_bh_disable+0x10/0x34 [ 57.100972][ T4353] ---[ end trace 0000000000000000 ]--- [ 57.102691][ T4353] ------------[ cut here ]------------ [ 57.104177][ T4353] kernfs: can not remove 'nr_reserved_tags', no directory [ 57.106302][ T4353] WARNING: CPU: 0 PID: 4353 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 57.108918][ T4353] Modules linked in: [ 57.109928][ T4353] CPU: 0 PID: 4353 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 57.112530][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 57.115167][ T4353] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 57.117185][ T4353] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 57.118755][ T4353] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 57.120300][ T4353] sp : ffff80001dc37750 [ 57.121450][ T4353] x29: ffff80001dc37750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 57.123607][ T4353] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 57.125737][ T4353] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 57.127838][ T4353] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 57.129988][ T4353] x17: ffff80001580d000 x16: ffff8000083062e0 x15: ffff0001b4563bbc [ 57.132141][ T4353] x14: 1ffff00002b020b0 x13: dfff800000000000 x12: 0000000000000003 [ 57.134273][ T4353] x11: ff8080000aad6a88 x10: 0000000000000003 x9 : 8ddb8ee8c9c2bb00 [ 57.136402][ T4353] x8 : 8ddb8ee8c9c2bb00 x7 : ffff80000827db78 x6 : 0000000000000000 [ 57.138511][ T4353] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 57.140636][ T4353] x2 : 0000000000000006 x1 : ffff80001228c340 x0 : ffff80019ee02000 [ 57.142773][ T4353] Call trace: [ 57.143624][ T4353] kernfs_remove_by_name_ns+0x10c/0x188 [ 57.145013][ T4353] sysfs_remove_group+0xf8/0x288 [ 57.146343][ T4353] sysfs_remove_groups+0x5c/0xb4 [ 57.147645][ T4353] __kobject_del+0x90/0x2d4 [ 57.148858][ T4353] kobject_del+0x48/0x68 [ 57.149985][ T4353] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 57.151547][ T4353] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 57.153115][ T4353] nbd_start_device+0x15c/0xa80 [ 57.154398][ T4353] nbd_ioctl+0x430/0xc40 [ 57.155552][ T4353] blkdev_ioctl+0x408/0xb40 [ 57.156713][ T4353] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.158021][ T4353] invoke_syscall+0x98/0x2c0 [ 57.159285][ T4353] el0_svc_common+0x138/0x258 [ 57.160509][ T4353] do_el0_svc+0x64/0x218 [ 57.161713][ T4353] el0_svc+0x58/0x168 [ 57.162765][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 57.164056][ T4353] el0t_64_sync+0x18c/0x190 [ 57.165187][ T4353] irq event stamp: 2560 [ 57.166301][ T4353] hardirqs last enabled at (2559): [] finish_lock_switch+0xbc/0x1e8 [ 57.168852][ T4353] hardirqs last disabled at (2560): [] el1_dbg+0x24/0x80 [ 57.171113][ T4353] softirqs last enabled at (2552): [] __do_softirq+0xc14/0xea0 [ 57.173542][ T4353] softirqs last disabled at (2541): [] ____do_softirq+0x14/0x20 [ 57.175960][ T4353] ---[ end trace 0000000000000000 ]--- [ 57.177751][ T4353] ------------[ cut here ]------------ [ 57.179158][ T4353] kernfs: can not remove 'cpu_list', no directory [ 57.180938][ T4353] WARNING: CPU: 0 PID: 4353 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 57.183456][ T4353] Modules linked in: [ 57.184473][ T4353] CPU: 0 PID: 4353 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 57.187051][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 57.189797][ T4353] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 57.192022][ T4353] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 57.193565][ T4353] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 57.195058][ T4353] sp : ffff80001dc37750 [ 57.196168][ T4353] x29: ffff80001dc37750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 57.198252][ T4353] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 57.200411][ T4353] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 57.202518][ T4353] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368ac776 [ 57.204688][ T4353] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 57.206760][ T4353] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 57.208825][ T4353] x11: ff808000081af79c x10: 0000000000000000 x9 : 8ddb8ee8c9c2bb00 [ 57.210931][ T4353] x8 : 8ddb8ee8c9c2bb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.212983][ T4353] x5 : ffff80001dc37038 x4 : ffff8000158f29c0 x3 : ffff80000aa8604c [ 57.215177][ T4353] x2 : ffff0001b4563cd0 x1 : 0000000100000000 x0 : 0000000000000000 [ 57.217238][ T4353] Call trace: [ 57.218143][ T4353] kernfs_remove_by_name_ns+0x10c/0x188 [ 57.219619][ T4353] sysfs_remove_group+0xf8/0x288 [ 57.220897][ T4353] sysfs_remove_groups+0x5c/0xb4 [ 57.222146][ T4353] __kobject_del+0x90/0x2d4 [ 57.223295][ T4353] kobject_del+0x48/0x68 [ 57.224364][ T4353] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 57.226007][ T4353] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 57.227514][ T4353] nbd_start_device+0x15c/0xa80 [ 57.228754][ T4353] nbd_ioctl+0x430/0xc40 [ 57.229883][ T4353] blkdev_ioctl+0x408/0xb40 [ 57.231081][ T4353] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.232382][ T4353] invoke_syscall+0x98/0x2c0 [ 57.233584][ T4353] el0_svc_common+0x138/0x258 [ 57.234838][ T4353] do_el0_svc+0x64/0x218 [ 57.235945][ T4353] el0_svc+0x58/0x168 [ 57.236931][ T4353] el0t_64_sync_handler+0x84/0xf0 [ 57.238297][ T4353] el0t_64_sync+0x18c/0x190 [ 57.239520][ T4353] irq event stamp: 2612 [ 57.240693][ T4353] hardirqs last enabled at (2611): [] __up_console_sem+0xb4/0x100 [ 57.243201][ T4353] hardirqs last disabled at (2612): [] el1_dbg+0x24/0x80 [ 57.245506][ T4353] softirqs last enabled at (2586): [] __do_softirq+0xc14/0xea0 [ 57.247950][ T4353] softirqs last disabled at (2563): [] ____do_softirq+0x14/0x20 [ 57.250350][ T4353] ---[ end trace 0000000000000000 ]--- [ 57.292818][ T4353] block nbd0: shutting down sockets executing program [ 57.375080][ T4355] FAULT_INJECTION: forcing a failure. [ 57.375080][ T4355] name failslab, interval 1, probability 0, space 0, times 0 [ 57.378465][ T4355] CPU: 0 PID: 4355 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 57.380970][ T4355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 57.383542][ T4355] Call trace: [ 57.384416][ T4355] dump_backtrace+0x1c8/0x1f4 [ 57.385672][ T4355] show_stack+0x2c/0x3c [ 57.386748][ T4355] dump_stack_lvl+0x108/0x170 [ 57.387954][ T4355] dump_stack+0x1c/0x58 [ 57.389036][ T4355] should_fail_ex+0x408/0x5d4 [ 57.390282][ T4355] __should_failslab+0xc8/0x128 [ 57.391568][ T4355] should_failslab+0x10/0x28 [ 57.392827][ T4355] slab_pre_alloc_hook+0x6c/0x33c [ 57.394119][ T4355] kmem_cache_alloc_lru+0x64/0x2f8 [ 57.395482][ T4355] new_inode_pseudo+0xe0/0x1d0 [ 57.396721][ T4355] new_inode+0x38/0x174 [ 57.397824][ T4355] debugfs_create_dir+0xf0/0x404 [ 57.399147][ T4355] nbd_start_device+0x358/0xa80 [ 57.400479][ T4355] nbd_ioctl+0x430/0xc40 [ 57.401606][ T4355] blkdev_ioctl+0x408/0xb40 [ 57.402860][ T4355] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.404203][ T4355] invoke_syscall+0x98/0x2c0 [ 57.405415][ T4355] el0_svc_common+0x138/0x258 [ 57.406637][ T4355] do_el0_svc+0x64/0x218 [ 57.407785][ T4355] el0_svc+0x58/0x168 [ 57.408827][ T4355] el0t_64_sync_handler+0x84/0xf0 [ 57.410175][ T4355] el0t_64_sync+0x18c/0x190 [ 57.411555][ T4355] debugfs: out of free dentries, can not create directory 'nbd0' [ 57.413534][ T4355] block nbd0: Failed to create debugfs dir for 'nbd0' [ 57.537186][ T4355] block nbd0: shutting down sockets executing program [ 57.635061][ T4357] FAULT_INJECTION: forcing a failure. [ 57.635061][ T4357] name failslab, interval 1, probability 0, space 0, times 0 [ 57.638398][ T4357] CPU: 0 PID: 4357 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 57.640980][ T4357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 57.643630][ T4357] Call trace: [ 57.644465][ T4357] dump_backtrace+0x1c8/0x1f4 [ 57.645701][ T4357] show_stack+0x2c/0x3c [ 57.646782][ T4357] dump_stack_lvl+0x108/0x170 [ 57.648009][ T4357] dump_stack+0x1c/0x58 [ 57.649159][ T4357] should_fail_ex+0x408/0x5d4 [ 57.650479][ T4357] __should_failslab+0xc8/0x128 [ 57.651771][ T4357] should_failslab+0x10/0x28 [ 57.653010][ T4357] slab_pre_alloc_hook+0x6c/0x33c [ 57.654355][ T4357] kmem_cache_alloc_lru+0x64/0x2f8 [ 57.655675][ T4357] new_inode_pseudo+0xe0/0x1d0 [ 57.656906][ T4357] new_inode+0x38/0x174 [ 57.658009][ T4357] debugfs_create_dir+0xf0/0x404 [ 57.659285][ T4357] nbd_start_device+0x358/0xa80 [ 57.660582][ T4357] nbd_ioctl+0x430/0xc40 [ 57.661740][ T4357] blkdev_ioctl+0x408/0xb40 [ 57.662944][ T4357] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.664245][ T4357] invoke_syscall+0x98/0x2c0 [ 57.665427][ T4357] el0_svc_common+0x138/0x258 [ 57.666597][ T4357] do_el0_svc+0x64/0x218 [ 57.667732][ T4357] el0_svc+0x58/0x168 [ 57.668869][ T4357] el0t_64_sync_handler+0x84/0xf0 [ 57.670189][ T4357] el0t_64_sync+0x18c/0x190 [ 57.671477][ T4357] debugfs: out of free dentries, can not create directory 'nbd0' [ 57.673441][ T4357] block nbd0: Failed to create debugfs dir for 'nbd0' [ 57.796133][ T4357] block nbd0: shutting down sockets executing program [ 57.894961][ T4359] FAULT_INJECTION: forcing a failure. [ 57.894961][ T4359] name failslab, interval 1, probability 0, space 0, times 0 [ 57.898315][ T4359] CPU: 0 PID: 4359 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 57.900876][ T4359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 57.903512][ T4359] Call trace: [ 57.904364][ T4359] dump_backtrace+0x1c8/0x1f4 [ 57.905634][ T4359] show_stack+0x2c/0x3c [ 57.906787][ T4359] dump_stack_lvl+0x108/0x170 [ 57.908062][ T4359] dump_stack+0x1c/0x58 [ 57.909217][ T4359] should_fail_ex+0x408/0x5d4 [ 57.910492][ T4359] __should_failslab+0xc8/0x128 [ 57.911792][ T4359] should_failslab+0x10/0x28 [ 57.912989][ T4359] slab_pre_alloc_hook+0x6c/0x33c [ 57.914337][ T4359] kmem_cache_alloc_lru+0x64/0x2f8 [ 57.915640][ T4359] new_inode_pseudo+0xe0/0x1d0 [ 57.916933][ T4359] new_inode+0x38/0x174 [ 57.918034][ T4359] debugfs_create_dir+0xf0/0x404 [ 57.919381][ T4359] nbd_start_device+0x358/0xa80 [ 57.920645][ T4359] nbd_ioctl+0x430/0xc40 [ 57.921819][ T4359] blkdev_ioctl+0x408/0xb40 [ 57.923043][ T4359] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.924441][ T4359] invoke_syscall+0x98/0x2c0 [ 57.925633][ T4359] el0_svc_common+0x138/0x258 [ 57.926889][ T4359] do_el0_svc+0x64/0x218 [ 57.928024][ T4359] el0_svc+0x58/0x168 [ 57.929054][ T4359] el0t_64_sync_handler+0x84/0xf0 [ 57.930388][ T4359] el0t_64_sync+0x18c/0x190 [ 57.931700][ T4359] debugfs: out of free dentries, can not create directory 'nbd0' [ 57.933754][ T4359] block nbd0: Failed to create debugfs dir for 'nbd0' [ 58.057004][ T4359] block nbd0: shutting down sockets executing program [ 58.155066][ T4361] FAULT_INJECTION: forcing a failure. [ 58.155066][ T4361] name failslab, interval 1, probability 0, space 0, times 0 [ 58.158494][ T4361] CPU: 0 PID: 4361 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 58.161094][ T4361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 58.163738][ T4361] Call trace: [ 58.164588][ T4361] dump_backtrace+0x1c8/0x1f4 [ 58.165873][ T4361] show_stack+0x2c/0x3c [ 58.167002][ T4361] dump_stack_lvl+0x108/0x170 [ 58.168340][ T4361] dump_stack+0x1c/0x58 [ 58.169417][ T4361] should_fail_ex+0x408/0x5d4 [ 58.170628][ T4361] __should_failslab+0xc8/0x128 [ 58.171907][ T4361] should_failslab+0x10/0x28 [ 58.173091][ T4361] slab_pre_alloc_hook+0x6c/0x33c [ 58.174378][ T4361] kmem_cache_alloc_lru+0x64/0x2f8 [ 58.175731][ T4361] new_inode_pseudo+0xe0/0x1d0 [ 58.177003][ T4361] new_inode+0x38/0x174 [ 58.178134][ T4361] debugfs_create_dir+0xf0/0x404 [ 58.179525][ T4361] nbd_start_device+0x358/0xa80 [ 58.180771][ T4361] nbd_ioctl+0x430/0xc40 [ 58.181846][ T4361] blkdev_ioctl+0x408/0xb40 [ 58.183073][ T4361] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.184415][ T4361] invoke_syscall+0x98/0x2c0 [ 58.185602][ T4361] el0_svc_common+0x138/0x258 [ 58.186953][ T4361] do_el0_svc+0x64/0x218 [ 58.188098][ T4361] el0_svc+0x58/0x168 [ 58.189161][ T4361] el0t_64_sync_handler+0x84/0xf0 [ 58.190531][ T4361] el0t_64_sync+0x18c/0x190 [ 58.191881][ T4361] debugfs: out of free dentries, can not create directory 'nbd0' [ 58.194025][ T4361] block nbd0: Failed to create debugfs dir for 'nbd0' [ 58.316558][ T4361] block nbd0: shutting down sockets executing program [ 58.415067][ T4363] FAULT_INJECTION: forcing a failure. [ 58.415067][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 58.418523][ T4363] CPU: 0 PID: 4363 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 58.421134][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 58.423752][ T4363] Call trace: [ 58.424614][ T4363] dump_backtrace+0x1c8/0x1f4 [ 58.425919][ T4363] show_stack+0x2c/0x3c [ 58.427018][ T4363] dump_stack_lvl+0x108/0x170 [ 58.428295][ T4363] dump_stack+0x1c/0x58 [ 58.429430][ T4363] should_fail_ex+0x408/0x5d4 [ 58.430658][ T4363] __should_failslab+0xc8/0x128 [ 58.431936][ T4363] should_failslab+0x10/0x28 [ 58.433159][ T4363] slab_pre_alloc_hook+0x6c/0x33c [ 58.434501][ T4363] kmem_cache_alloc_lru+0x64/0x2f8 [ 58.435887][ T4363] new_inode_pseudo+0xe0/0x1d0 [ 58.437152][ T4363] new_inode+0x38/0x174 [ 58.438335][ T4363] debugfs_create_dir+0xf0/0x404 [ 58.439645][ T4363] nbd_start_device+0x358/0xa80 [ 58.440951][ T4363] nbd_ioctl+0x430/0xc40 [ 58.442106][ T4363] blkdev_ioctl+0x408/0xb40 [ 58.443343][ T4363] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.444693][ T4363] invoke_syscall+0x98/0x2c0 [ 58.445901][ T4363] el0_svc_common+0x138/0x258 [ 58.447175][ T4363] do_el0_svc+0x64/0x218 [ 58.448281][ T4363] el0_svc+0x58/0x168 [ 58.449364][ T4363] el0t_64_sync_handler+0x84/0xf0 [ 58.450702][ T4363] el0t_64_sync+0x18c/0x190 [ 58.451994][ T4363] debugfs: out of free dentries, can not create directory 'nbd0' [ 58.454040][ T4363] block nbd0: Failed to create debugfs dir for 'nbd0' [ 58.576302][ T4363] block nbd0: shutting down sockets executing program [ 58.704571][ T4366] block nbd0: Device being setup by another task [ 58.748710][ T4365] FAULT_INJECTION: forcing a failure. [ 58.748710][ T4365] name failslab, interval 1, probability 0, space 0, times 0 [ 58.752099][ T4365] CPU: 0 PID: 4365 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 58.754636][ T4365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 58.757415][ T4365] Call trace: [ 58.758290][ T4365] dump_backtrace+0x1c8/0x1f4 [ 58.759547][ T4365] show_stack+0x2c/0x3c [ 58.760674][ T4365] dump_stack_lvl+0x108/0x170 [ 58.761969][ T4365] dump_stack+0x1c/0x58 [ 58.763046][ T4365] should_fail_ex+0x408/0x5d4 [ 58.764289][ T4365] __should_failslab+0xc8/0x128 [ 58.765575][ T4365] should_failslab+0x10/0x28 [ 58.766796][ T4365] __kmem_cache_alloc_node+0x80/0x388 [ 58.768174][ T4365] __kmalloc_node_track_caller+0xbc/0x1c0 [ 58.769735][ T4365] kstrdup_const+0x90/0xdc [ 58.770892][ T4365] __kernfs_new_node+0xa8/0x684 [ 58.772179][ T4365] kernfs_create_dir_ns+0xac/0x238 [ 58.773523][ T4365] sysfs_create_dir_ns+0x150/0x318 [ 58.774883][ T4365] kobject_add_internal+0x598/0xb14 [ 58.776248][ T4365] kobject_add+0x14c/0x21c [ 58.777423][ T4365] blk_mq_register_hctx+0xc8/0x368 [ 58.778817][ T4365] blk_mq_sysfs_register_hctxs+0x104/0x1c4 [ 58.780356][ T4365] blk_mq_update_nr_hw_queues+0xac4/0xf4c [ 58.781848][ T4365] nbd_start_device+0x15c/0xa80 [ 58.783101][ T4365] nbd_ioctl+0x430/0xc40 [ 58.784164][ T4365] blkdev_ioctl+0x408/0xb40 [ 58.785323][ T4365] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.786576][ T4365] invoke_syscall+0x98/0x2c0 [ 58.787815][ T4365] el0_svc_common+0x138/0x258 [ 58.789019][ T4365] do_el0_svc+0x64/0x218 [ 58.790132][ T4365] el0_svc+0x58/0x168 [ 58.791196][ T4365] el0t_64_sync_handler+0x84/0xf0 [ 58.792538][ T4365] el0t_64_sync+0x18c/0x190 [ 58.793851][ T4365] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 58.852382][ T4365] block nbd0: shutting down sockets executing program [ 58.974415][ T4369] block nbd0: Device being setup by another task [ 58.976460][ T4368] FAULT_INJECTION: forcing a failure. [ 58.976460][ T4368] name failslab, interval 1, probability 0, space 0, times 0 [ 58.979736][ T4368] CPU: 1 PID: 4368 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 58.982321][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 58.984951][ T4368] Call trace: [ 58.985830][ T4368] dump_backtrace+0x1c8/0x1f4 [ 58.987146][ T4368] show_stack+0x2c/0x3c [ 58.988260][ T4368] dump_stack_lvl+0x108/0x170 [ 58.989545][ T4368] dump_stack+0x1c/0x58 [ 58.990608][ T4368] should_fail_ex+0x408/0x5d4 [ 58.991847][ T4368] __should_failslab+0xc8/0x128 [ 58.993093][ T4368] should_failslab+0x10/0x28 [ 58.994302][ T4368] slab_pre_alloc_hook+0x6c/0x33c [ 58.995616][ T4368] kmem_cache_alloc_lru+0x64/0x2f8 [ 58.996974][ T4368] new_inode_pseudo+0xe0/0x1d0 [ 58.998260][ T4368] new_inode+0x38/0x174 [ 58.999376][ T4368] debugfs_create_dir+0xf0/0x404 [ 59.000666][ T4368] nbd_start_device+0x358/0xa80 [ 59.001980][ T4368] nbd_ioctl+0x430/0xc40 [ 59.003132][ T4368] blkdev_ioctl+0x408/0xb40 [ 59.004306][ T4368] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.005550][ T4368] invoke_syscall+0x98/0x2c0 [ 59.006760][ T4368] el0_svc_common+0x138/0x258 [ 59.007998][ T4368] do_el0_svc+0x64/0x218 [ 59.009117][ T4368] el0_svc+0x58/0x168 [ 59.010140][ T4368] el0t_64_sync_handler+0x84/0xf0 [ 59.011519][ T4368] el0t_64_sync+0x18c/0x190 [ 59.012787][ T4368] debugfs: out of free dentries, can not create directory 'nbd0' [ 59.014832][ T4368] block nbd0: Failed to create debugfs dir for 'nbd0' [ 59.126256][ T4368] block nbd0: shutting down sockets executing program [ 59.287642][ T4371] ------------[ cut here ]------------ [ 59.289096][ T4371] kernfs: can not remove 'nr_tags', no directory [ 59.290933][ T4371] WARNING: CPU: 1 PID: 4371 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 59.293470][ T4371] Modules linked in: [ 59.294580][ T4371] CPU: 1 PID: 4371 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 59.297284][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 59.300066][ T4371] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 59.302050][ T4371] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 59.303649][ T4371] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 59.305216][ T4371] sp : ffff80001ddf7750 [ 59.306362][ T4371] x29: ffff80001ddf7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 59.308553][ T4371] x26: 0000000000000002 x25: ffff800015ff9228 x24: 1ffff000024e91d8 [ 59.310703][ T4371] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 59.312849][ T4371] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 59.314938][ T4371] x17: 0000000000000000 x16: ffff80001213551c x15: 0000000000000000 [ 59.317102][ T4371] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 59.319234][ T4371] x11: ff808000081af79c x10: 0000000000000000 x9 : fe561fddd00ca600 [ 59.321448][ T4371] x8 : fe561fddd00ca600 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.323635][ T4371] x5 : ffff80001ddf7038 x4 : ffff8000158f29c0 x3 : ffff80000858a904 [ 59.325738][ T4371] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 59.327832][ T4371] Call trace: [ 59.328652][ T4371] kernfs_remove_by_name_ns+0x10c/0x188 [ 59.330136][ T4371] sysfs_remove_group+0xf8/0x288 [ 59.331474][ T4371] sysfs_remove_groups+0x5c/0xb4 [ 59.332870][ T4371] __kobject_del+0x90/0x2d4 [ 59.334101][ T4371] kobject_del+0x48/0x68 [ 59.335226][ T4371] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 59.336767][ T4371] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 59.338310][ T4371] nbd_start_device+0x15c/0xa80 [ 59.339581][ T4371] nbd_ioctl+0x430/0xc40 [ 59.340740][ T4371] blkdev_ioctl+0x408/0xb40 [ 59.341921][ T4371] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.343279][ T4371] invoke_syscall+0x98/0x2c0 [ 59.344522][ T4371] el0_svc_common+0x138/0x258 [ 59.345820][ T4371] do_el0_svc+0x64/0x218 [ 59.346925][ T4371] el0_svc+0x58/0x168 [ 59.347957][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 59.349277][ T4371] el0t_64_sync+0x18c/0x190 [ 59.350455][ T4371] irq event stamp: 1804 [ 59.351515][ T4371] hardirqs last enabled at (1803): [] __up_console_sem+0xb4/0x100 [ 59.353952][ T4371] hardirqs last disabled at (1804): [] el1_dbg+0x24/0x80 [ 59.356257][ T4371] softirqs last enabled at (372): [] local_bh_enable+0x10/0x34 [ 59.358739][ T4371] softirqs last disabled at (370): [] local_bh_disable+0x10/0x34 [ 59.361192][ T4371] ---[ end trace 0000000000000000 ]--- [ 59.362844][ T4371] ------------[ cut here ]------------ [ 59.364216][ T4371] kernfs: can not remove 'nr_reserved_tags', no directory [ 59.366345][ T4371] WARNING: CPU: 1 PID: 4371 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 59.368925][ T4371] Modules linked in: [ 59.369902][ T4371] CPU: 1 PID: 4371 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 59.372459][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 59.374995][ T4371] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 59.377115][ T4371] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 59.378727][ T4371] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 59.380330][ T4371] sp : ffff80001ddf7750 [ 59.381492][ T4371] x29: ffff80001ddf7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 59.383619][ T4371] x26: 0000000000000002 x25: ffff800015ff9230 x24: 1ffff000024e91d8 [ 59.385751][ T4371] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 59.387912][ T4371] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 59.390021][ T4371] x17: 0000000000000000 x16: ffff800012083740 x15: 0000000000000000 [ 59.392167][ T4371] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 59.394321][ T4371] x11: ff808000081af79c x10: 0000000000000000 x9 : fe561fddd00ca600 [ 59.396399][ T4371] x8 : fe561fddd00ca600 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.398512][ T4371] x5 : ffff80001ddf7038 x4 : ffff8000158f29c0 x3 : ffff80000834f5a8 [ 59.400657][ T4371] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 59.402761][ T4371] Call trace: [ 59.403603][ T4371] kernfs_remove_by_name_ns+0x10c/0x188 [ 59.405083][ T4371] sysfs_remove_group+0xf8/0x288 [ 59.406365][ T4371] sysfs_remove_groups+0x5c/0xb4 [ 59.407613][ T4371] __kobject_del+0x90/0x2d4 [ 59.408821][ T4371] kobject_del+0x48/0x68 [ 59.409970][ T4371] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 59.411536][ T4371] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 59.413024][ T4371] nbd_start_device+0x15c/0xa80 [ 59.414258][ T4371] nbd_ioctl+0x430/0xc40 [ 59.415431][ T4371] blkdev_ioctl+0x408/0xb40 [ 59.416662][ T4371] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.418006][ T4371] invoke_syscall+0x98/0x2c0 [ 59.419229][ T4371] el0_svc_common+0x138/0x258 [ 59.420483][ T4371] do_el0_svc+0x64/0x218 [ 59.421591][ T4371] el0_svc+0x58/0x168 [ 59.422612][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 59.423928][ T4371] el0t_64_sync+0x18c/0x190 [ 59.425129][ T4371] irq event stamp: 1858 [ 59.426209][ T4371] hardirqs last enabled at (1857): [] __up_console_sem+0xb4/0x100 [ 59.428815][ T4371] hardirqs last disabled at (1858): [] el1_dbg+0x24/0x80 [ 59.431142][ T4371] softirqs last enabled at (1852): [] __do_softirq+0xc14/0xea0 [ 59.433600][ T4371] softirqs last disabled at (1847): [] ____do_softirq+0x14/0x20 [ 59.436105][ T4371] ---[ end trace 0000000000000000 ]--- [ 59.437660][ T4371] ------------[ cut here ]------------ [ 59.439089][ T4371] kernfs: can not remove 'cpu_list', no directory [ 59.440893][ T4371] WARNING: CPU: 1 PID: 4371 at fs/kernfs/dir.c:1628 kernfs_remove_by_name_ns+0x10c/0x188 [ 59.443433][ T4371] Modules linked in: [ 59.444419][ T4371] CPU: 1 PID: 4371 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 59.446974][ T4371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 59.449583][ T4371] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 59.451653][ T4371] pc : kernfs_remove_by_name_ns+0x10c/0x188 [ 59.453225][ T4371] lr : kernfs_remove_by_name_ns+0x108/0x188 [ 59.454778][ T4371] sp : ffff80001ddf7750 [ 59.455891][ T4371] x29: ffff80001ddf7750 x28: 0000000000000008 x27: 1fffe00019cdb731 [ 59.457995][ T4371] x26: 0000000000000002 x25: ffff800015ff9238 x24: 1ffff000024e91d8 [ 59.460096][ T4371] x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000 [ 59.462229][ T4371] x20: 00000000fffffffe x19: ffff800012748ec0 x18: 1fffe000368b0776 [ 59.464359][ T4371] x17: 0000000000000000 x16: ffff800012083740 x15: 0000000000000000 [ 59.466420][ T4371] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 [ 59.468527][ T4371] x11: ff808000081af79c x10: 0000000000000000 x9 : fe561fddd00ca600 [ 59.470620][ T4371] x8 : fe561fddd00ca600 x7 : 0000000000000001 x6 : 0000000000000001 [ 59.472748][ T4371] x5 : ffff80001ddf7038 x4 : ffff8000158f29c0 x3 : ffff80000834f5a8 [ 59.474904][ T4371] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 59.477019][ T4371] Call trace: [ 59.477933][ T4371] kernfs_remove_by_name_ns+0x10c/0x188 [ 59.479415][ T4371] sysfs_remove_group+0xf8/0x288 [ 59.480721][ T4371] sysfs_remove_groups+0x5c/0xb4 [ 59.481995][ T4371] __kobject_del+0x90/0x2d4 [ 59.483152][ T4371] kobject_del+0x48/0x68 [ 59.484322][ T4371] blk_mq_sysfs_unregister_hctxs+0x1c8/0x284 [ 59.485894][ T4371] blk_mq_update_nr_hw_queues+0x524/0xf4c [ 59.487449][ T4371] nbd_start_device+0x15c/0xa80 [ 59.488752][ T4371] nbd_ioctl+0x430/0xc40 [ 59.489903][ T4371] blkdev_ioctl+0x408/0xb40 [ 59.491094][ T4371] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.492378][ T4371] invoke_syscall+0x98/0x2c0 [ 59.493636][ T4371] el0_svc_common+0x138/0x258 [ 59.494903][ T4371] do_el0_svc+0x64/0x218 [ 59.496044][ T4371] el0_svc+0x58/0x168 [ 59.497065][ T4371] el0t_64_sync_handler+0x84/0xf0 [ 59.498390][ T4371] el0t_64_sync+0x18c/0x190 [ 59.499561][ T4371] irq event stamp: 1896 [ 59.500686][ T4371] hardirqs last enabled at (1895): [] __up_console_sem+0xb4/0x100 [ 59.503118][ T4371] hardirqs last disabled at (1896): [] el1_dbg+0x24/0x80 [ 59.505367][ T4371] softirqs last enabled at (1874): [] __do_softirq+0xc14/0xea0 [ 59.507846][ T4371] softirqs last disabled at (1861): [] ____do_softirq+0x14/0x20 [ 59.510185][ T4371] ---[ end trace 0000000000000000 ]--- [ 59.516672][ T4371] block nbd0: shutting down sockets executing program [ 59.634540][ T4374] FAULT_INJECTION: forcing a failure. [ 59.634540][ T4374] name failslab, interval 1, probability 0, space 0, times 0 [ 59.638075][ T4374] CPU: 0 PID: 4374 Comm: syz-executor398 Tainted: G W 6.1.62-syzkaller #0 [ 59.640768][ T4374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 59.643365][ T4374] Call trace: [ 59.644203][ T4374] dump_backtrace+0x1c8/0x1f4 [ 59.645487][ T4374] show_stack+0x2c/0x3c [ 59.646555][ T4374] dump_stack_lvl+0x108/0x170 [ 59.647823][ T4374] dump_stack+0x1c/0x58 [ 59.648969][ T4374] should_fail_ex+0x408/0x5d4 [ 59.650191][ T4374] __should_failslab+0xc8/0x128 [ 59.651560][ T4374] should_failslab+0x10/0x28 [ 59.652818][ T4374] slab_pre_alloc_hook+0x6c/0x33c [ 59.654124][ T4374] kmem_cache_alloc_lru+0x64/0x2f8 [ 59.655490][ T4374] new_inode_pseudo+0xe0/0x1d0 [ 59.656745][ T4374] new_inode+0x38/0x174 [ 59.657835][ T4374] debugfs_create_dir+0xf0/0x404 [ 59.659209][ T4374] nbd_start_device+0x358/0xa80 [ 59.660505][ T4374] nbd_ioctl+0x430/0xc40 [ 59.661610][ T4374] blkdev_ioctl+0x408/0xb40 [ 59.662822][ T4374] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.664149][ T4374] invoke_syscall+0x98/0x2c0 [ 59.665397][ T4374] el0_svc_common+0x138/0x258 [ 59.666651][ T4374] do_el0_svc+0x64/0x218 [ 59.667755][ T4374] el0_svc+0x58/0x168 [ 59.668814][ T4374] el0t_64_sync_handler+0x84/0xf0 [ 59.670187][ T4374] el0t_64_sync+0x18c/0x190 [ 59.671486][ T4374] debugfs: out of free dentries, can not create directory 'nbd0' [ 59.673683][ T4374] block nbd0: Failed to create debugfs dir for 'nbd0'