Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts. executing program [ 101.812951][ T3979] FAULT_INJECTION: forcing a failure. [ 101.812951][ T3979] name failslab, interval 1, probability 0, space 0, times 1 [ 101.816409][ T3979] CPU: 1 PID: 3979 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 101.818766][ T3979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 101.821354][ T3979] Call trace: [ 101.822218][ T3979] dump_backtrace+0x0/0x530 [ 101.823413][ T3979] show_stack+0x2c/0x3c [ 101.824525][ T3979] dump_stack_lvl+0x108/0x170 [ 101.825790][ T3979] dump_stack+0x1c/0x58 [ 101.826874][ T3979] should_fail+0x400/0x5cc [ 101.828010][ T3979] __should_failslab+0xbc/0x110 [ 101.829338][ T3979] should_failslab+0x10/0x28 [ 101.830575][ T3979] slab_pre_alloc_hook+0x64/0xe8 [ 101.831897][ T3979] __kmalloc+0xc0/0x4c8 [ 101.833028][ T3979] tomoyo_supervisor+0xce8/0x115c [ 101.834374][ T3979] tomoyo_path_number_perm+0x4c0/0x6b0 [ 101.836014][ T3979] tomoyo_file_ioctl+0x2c/0x3c [ 101.837301][ T3979] security_file_ioctl+0x80/0xbc [ 101.838586][ T3979] __arm64_sys_ioctl+0xa8/0x1c8 [ 101.839865][ T3979] invoke_syscall+0x98/0x2b8 [ 101.841063][ T3979] el0_svc_common+0x138/0x258 [ 101.842273][ T3979] do_el0_svc+0x58/0x14c [ 101.843419][ T3979] el0_svc+0x7c/0x1f0 [ 101.844476][ T3979] el0t_64_sync_handler+0x84/0xe4 [ 101.845775][ T3979] el0t_64_sync+0x1a0/0x1a4 [ 101.894377][ T3980] block nbd0: shutting down sockets executing program [ 101.983673][ T3984] FAULT_INJECTION: forcing a failure. [ 101.983673][ T3984] name failslab, interval 1, probability 0, space 0, times 0 [ 101.987071][ T3984] CPU: 1 PID: 3984 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 101.989306][ T3984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 101.991922][ T3984] Call trace: [ 101.992772][ T3984] dump_backtrace+0x0/0x530 [ 101.993986][ T3984] show_stack+0x2c/0x3c [ 101.995107][ T3984] dump_stack_lvl+0x108/0x170 [ 101.996443][ T3984] dump_stack+0x1c/0x58 [ 101.997563][ T3984] should_fail+0x400/0x5cc [ 101.998717][ T3984] __should_failslab+0xbc/0x110 [ 102.000063][ T3984] should_failslab+0x10/0x28 [ 102.001241][ T3984] slab_pre_alloc_hook+0x64/0xe8 [ 102.002533][ T3984] __kmalloc+0xc0/0x4c8 [ 102.003599][ T3984] tomoyo_supervisor+0xce8/0x115c [ 102.004951][ T3984] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.006468][ T3984] tomoyo_file_ioctl+0x2c/0x3c [ 102.007538][ T3984] security_file_ioctl+0x80/0xbc [ 102.008843][ T3984] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.010125][ T3984] invoke_syscall+0x98/0x2b8 [ 102.011304][ T3984] el0_svc_common+0x138/0x258 [ 102.012549][ T3984] do_el0_svc+0x58/0x14c [ 102.013666][ T3984] el0_svc+0x7c/0x1f0 [ 102.014716][ T3984] el0t_64_sync_handler+0x84/0xe4 [ 102.015988][ T3984] el0t_64_sync+0x1a0/0x1a4 [ 102.034490][ T3985] block nbd0: shutting down sockets executing program [ 102.132967][ T3987] FAULT_INJECTION: forcing a failure. [ 102.132967][ T3987] name failslab, interval 1, probability 0, space 0, times 0 [ 102.136309][ T3987] CPU: 0 PID: 3987 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 102.138511][ T3987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 102.140996][ T3987] Call trace: [ 102.141827][ T3987] dump_backtrace+0x0/0x530 [ 102.143063][ T3987] show_stack+0x2c/0x3c [ 102.144166][ T3987] dump_stack_lvl+0x108/0x170 [ 102.145469][ T3987] dump_stack+0x1c/0x58 [ 102.146600][ T3987] should_fail+0x400/0x5cc [ 102.147845][ T3987] __should_failslab+0xbc/0x110 [ 102.149141][ T3987] should_failslab+0x10/0x28 [ 102.150356][ T3987] slab_pre_alloc_hook+0x64/0xe8 [ 102.151651][ T3987] __kmalloc+0xc0/0x4c8 [ 102.152804][ T3987] tomoyo_init_log+0x1578/0x19e4 [ 102.153963][ T3987] tomoyo_supervisor+0x3ac/0x115c [ 102.155340][ T3987] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.156805][ T3987] tomoyo_file_ioctl+0x2c/0x3c [ 102.158092][ T3987] security_file_ioctl+0x80/0xbc [ 102.159357][ T3987] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.160693][ T3987] invoke_syscall+0x98/0x2b8 [ 102.161975][ T3987] el0_svc_common+0x138/0x258 [ 102.163276][ T3987] do_el0_svc+0x58/0x14c [ 102.164375][ T3987] el0_svc+0x7c/0x1f0 [ 102.165425][ T3987] el0t_64_sync_handler+0x84/0xe4 [ 102.166747][ T3987] el0t_64_sync+0x1a0/0x1a4 [ 102.184266][ T3988] block nbd0: shutting down sockets executing program [ 102.282913][ T3990] FAULT_INJECTION: forcing a failure. [ 102.282913][ T3990] name failslab, interval 1, probability 0, space 0, times 0 [ 102.286330][ T3990] CPU: 1 PID: 3990 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 102.288497][ T3990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 102.291213][ T3990] Call trace: [ 102.292064][ T3990] dump_backtrace+0x0/0x530 [ 102.293275][ T3990] show_stack+0x2c/0x3c [ 102.294342][ T3990] dump_stack_lvl+0x108/0x170 [ 102.295531][ T3990] dump_stack+0x1c/0x58 [ 102.296609][ T3990] should_fail+0x400/0x5cc [ 102.297761][ T3990] __should_failslab+0xbc/0x110 [ 102.299052][ T3990] should_failslab+0x10/0x28 [ 102.300275][ T3990] slab_pre_alloc_hook+0x64/0xe8 [ 102.301584][ T3990] __kmalloc+0xc0/0x4c8 [ 102.302693][ T3990] tomoyo_supervisor+0xce8/0x115c [ 102.304002][ T3990] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.305515][ T3990] tomoyo_file_ioctl+0x2c/0x3c [ 102.306806][ T3990] security_file_ioctl+0x80/0xbc [ 102.308139][ T3990] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.309472][ T3990] invoke_syscall+0x98/0x2b8 [ 102.310695][ T3990] el0_svc_common+0x138/0x258 [ 102.311939][ T3990] do_el0_svc+0x58/0x14c [ 102.313068][ T3990] el0_svc+0x7c/0x1f0 [ 102.314077][ T3990] el0t_64_sync_handler+0x84/0xe4 [ 102.315411][ T3990] el0t_64_sync+0x1a0/0x1a4 [ 102.334106][ T3991] block nbd0: shutting down sockets executing program [ 102.451651][ T3993] FAULT_INJECTION: forcing a failure. [ 102.451651][ T3993] name failslab, interval 1, probability 0, space 0, times 0 [ 102.452068][ T3994] block nbd0: Device being setup by another task [ 102.455168][ T3993] CPU: 0 PID: 3993 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 102.458915][ T3993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 102.461475][ T3993] Call trace: [ 102.462311][ T3993] dump_backtrace+0x0/0x530 [ 102.463523][ T3993] show_stack+0x2c/0x3c [ 102.464645][ T3993] dump_stack_lvl+0x108/0x170 [ 102.465925][ T3993] dump_stack+0x1c/0x58 [ 102.467037][ T3993] should_fail+0x400/0x5cc [ 102.468212][ T3993] __should_failslab+0xbc/0x110 [ 102.469552][ T3993] should_failslab+0x10/0x28 [ 102.470863][ T3993] slab_pre_alloc_hook+0x64/0xe8 [ 102.472161][ T3993] __kmalloc+0xc0/0x4c8 [ 102.473285][ T3993] tomoyo_supervisor+0xce8/0x115c [ 102.474581][ T3993] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.476105][ T3993] tomoyo_file_ioctl+0x2c/0x3c [ 102.477345][ T3993] security_file_ioctl+0x80/0xbc [ 102.478656][ T3993] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.479939][ T3993] invoke_syscall+0x98/0x2b8 [ 102.481169][ T3993] el0_svc_common+0x138/0x258 [ 102.482431][ T3993] do_el0_svc+0x58/0x14c [ 102.483574][ T3993] el0_svc+0x7c/0x1f0 [ 102.484633][ T3993] el0t_64_sync_handler+0x84/0xe4 [ 102.485874][ T3993] el0t_64_sync+0x1a0/0x1a4 [ 102.530135][ T3994] block nbd0: shutting down sockets executing program [ 102.623010][ T3996] FAULT_INJECTION: forcing a failure. [ 102.623010][ T3996] name failslab, interval 1, probability 0, space 0, times 0 [ 102.626525][ T3996] CPU: 0 PID: 3996 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 102.628883][ T3996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 102.631522][ T3996] Call trace: [ 102.632381][ T3996] dump_backtrace+0x0/0x530 [ 102.633610][ T3996] show_stack+0x2c/0x3c [ 102.634721][ T3996] dump_stack_lvl+0x108/0x170 [ 102.635942][ T3996] dump_stack+0x1c/0x58 [ 102.637072][ T3996] should_fail+0x400/0x5cc [ 102.638274][ T3996] __should_failslab+0xbc/0x110 [ 102.639607][ T3996] should_failslab+0x10/0x28 [ 102.640799][ T3996] slab_pre_alloc_hook+0x64/0xe8 [ 102.642146][ T3996] __kmalloc+0xc0/0x4c8 [ 102.643254][ T3996] tomoyo_supervisor+0xce8/0x115c [ 102.644621][ T3996] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.646076][ T3996] tomoyo_file_ioctl+0x2c/0x3c [ 102.647372][ T3996] security_file_ioctl+0x80/0xbc [ 102.648676][ T3996] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.650036][ T3996] invoke_syscall+0x98/0x2b8 [ 102.651308][ T3996] el0_svc_common+0x138/0x258 [ 102.652542][ T3996] do_el0_svc+0x58/0x14c [ 102.653660][ T3996] el0_svc+0x7c/0x1f0 [ 102.654690][ T3996] el0t_64_sync_handler+0x84/0xe4 [ 102.656069][ T3996] el0t_64_sync+0x1a0/0x1a4 [ 102.699608][ T3997] block nbd0: shutting down sockets executing program [ 102.772896][ T3999] FAULT_INJECTION: forcing a failure. [ 102.772896][ T3999] name failslab, interval 1, probability 0, space 0, times 0 [ 102.776303][ T3999] CPU: 1 PID: 3999 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 102.778616][ T3999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 102.781063][ T3999] Call trace: [ 102.781882][ T3999] dump_backtrace+0x0/0x530 [ 102.783132][ T3999] show_stack+0x2c/0x3c [ 102.784226][ T3999] dump_stack_lvl+0x108/0x170 [ 102.785459][ T3999] dump_stack+0x1c/0x58 [ 102.786536][ T3999] should_fail+0x400/0x5cc [ 102.787725][ T3999] __should_failslab+0xbc/0x110 [ 102.789011][ T3999] should_failslab+0x10/0x28 [ 102.790247][ T3999] slab_pre_alloc_hook+0x64/0xe8 [ 102.791504][ T3999] __kmalloc+0xc0/0x4c8 [ 102.792612][ T3999] tomoyo_supervisor+0xce8/0x115c [ 102.793961][ T3999] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.795385][ T3999] tomoyo_file_ioctl+0x2c/0x3c [ 102.796661][ T3999] security_file_ioctl+0x80/0xbc [ 102.797940][ T3999] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.799252][ T3999] invoke_syscall+0x98/0x2b8 [ 102.800391][ T3999] el0_svc_common+0x138/0x258 [ 102.801645][ T3999] do_el0_svc+0x58/0x14c [ 102.802771][ T3999] el0_svc+0x7c/0x1f0 [ 102.803873][ T3999] el0t_64_sync_handler+0x84/0xe4 [ 102.805212][ T3999] el0t_64_sync+0x1a0/0x1a4 [ 102.823384][ T4000] block nbd0: shutting down sockets executing program [ 102.912893][ T4002] FAULT_INJECTION: forcing a failure. [ 102.912893][ T4002] name failslab, interval 1, probability 0, space 0, times 0 [ 102.916444][ T4002] CPU: 0 PID: 4002 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 102.918595][ T4002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 102.921011][ T4002] Call trace: [ 102.921790][ T4002] dump_backtrace+0x0/0x530 [ 102.922923][ T4002] show_stack+0x2c/0x3c [ 102.923988][ T4002] dump_stack_lvl+0x108/0x170 [ 102.925253][ T4002] dump_stack+0x1c/0x58 [ 102.926343][ T4002] should_fail+0x400/0x5cc [ 102.927427][ T4002] __should_failslab+0xbc/0x110 [ 102.928662][ T4002] should_failslab+0x10/0x28 [ 102.929851][ T4002] slab_pre_alloc_hook+0x64/0xe8 [ 102.931069][ T4002] __kmalloc+0xc0/0x4c8 [ 102.932140][ T4002] tomoyo_supervisor+0xce8/0x115c [ 102.933428][ T4002] tomoyo_path_number_perm+0x4c0/0x6b0 [ 102.934822][ T4002] tomoyo_file_ioctl+0x2c/0x3c [ 102.936057][ T4002] security_file_ioctl+0x80/0xbc [ 102.937329][ T4002] __arm64_sys_ioctl+0xa8/0x1c8 [ 102.938520][ T4002] invoke_syscall+0x98/0x2b8 [ 102.939711][ T4002] el0_svc_common+0x138/0x258 [ 102.940937][ T4002] do_el0_svc+0x58/0x14c [ 102.942009][ T4002] el0_svc+0x7c/0x1f0 [ 102.943060][ T4002] el0t_64_sync_handler+0x84/0xe4 [ 102.944321][ T4002] el0t_64_sync+0x1a0/0x1a4 [ 102.963407][ T4003] block nbd0: shutting down sockets executing program [ 103.074080][ T4006] FAULT_INJECTION: forcing a failure. [ 103.074080][ T4006] name failslab, interval 1, probability 0, space 0, times 0 [ 103.077277][ T4006] CPU: 1 PID: 4006 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 103.079467][ T4006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 103.082036][ T4006] Call trace: [ 103.082912][ T4006] dump_backtrace+0x0/0x530 [ 103.084086][ T4006] show_stack+0x2c/0x3c [ 103.085199][ T4006] dump_stack_lvl+0x108/0x170 [ 103.086449][ T4006] dump_stack+0x1c/0x58 [ 103.087589][ T4006] should_fail+0x400/0x5cc [ 103.088757][ T4006] __should_failslab+0xbc/0x110 [ 103.090050][ T4006] should_failslab+0x10/0x28 [ 103.091253][ T4006] slab_pre_alloc_hook+0x64/0xe8 [ 103.092575][ T4006] __kmalloc+0xc0/0x4c8 [ 103.093716][ T4006] tomoyo_supervisor+0xce8/0x115c [ 103.095038][ T4006] tomoyo_path_number_perm+0x4c0/0x6b0 [ 103.096544][ T4006] tomoyo_file_ioctl+0x2c/0x3c [ 103.097783][ T4006] security_file_ioctl+0x80/0xbc [ 103.099030][ T4006] __arm64_sys_ioctl+0xa8/0x1c8 [ 103.100338][ T4006] invoke_syscall+0x98/0x2b8 [ 103.101509][ T4006] el0_svc_common+0x138/0x258 [ 103.102748][ T4006] do_el0_svc+0x58/0x14c [ 103.103853][ T4006] el0_svc+0x7c/0x1f0 [ 103.104921][ T4006] el0t_64_sync_handler+0x84/0xe4 [ 103.106328][ T4006] el0t_64_sync+0x1a0/0x1a4 [ 103.124176][ T4005] block nbd0: shutting down sockets executing program [ 103.222888][ T4008] FAULT_INJECTION: forcing a failure. [ 103.222888][ T4008] name failslab, interval 1, probability 0, space 0, times 0 [ 103.226127][ T4008] CPU: 0 PID: 4008 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 103.228368][ T4008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 103.230985][ T4008] Call trace: [ 103.231813][ T4008] dump_backtrace+0x0/0x530 [ 103.232993][ T4008] show_stack+0x2c/0x3c [ 103.234111][ T4008] dump_stack_lvl+0x108/0x170 [ 103.235320][ T4008] dump_stack+0x1c/0x58 [ 103.236437][ T4008] should_fail+0x400/0x5cc [ 103.237602][ T4008] __should_failslab+0xbc/0x110 [ 103.238884][ T4008] should_failslab+0x10/0x28 [ 103.240068][ T4008] slab_pre_alloc_hook+0x64/0xe8 [ 103.241376][ T4008] __kmalloc+0xc0/0x4c8 [ 103.242513][ T4008] tomoyo_supervisor+0xce8/0x115c [ 103.243958][ T4008] tomoyo_path_number_perm+0x4c0/0x6b0 [ 103.245470][ T4008] tomoyo_file_ioctl+0x2c/0x3c [ 103.246719][ T4008] security_file_ioctl+0x80/0xbc [ 103.248080][ T4008] __arm64_sys_ioctl+0xa8/0x1c8 [ 103.249350][ T4008] invoke_syscall+0x98/0x2b8 [ 103.250584][ T4008] el0_svc_common+0x138/0x258 [ 103.251902][ T4008] do_el0_svc+0x58/0x14c [ 103.253020][ T4008] el0_svc+0x7c/0x1f0 [ 103.254045][ T4008] el0t_64_sync_handler+0x84/0xe4 [ 103.255445][ T4008] el0t_64_sync+0x1a0/0x1a4 [ 103.273904][ T4009] block nbd0: shutting down sockets executing program [ 103.375131][ T4012] FAULT_INJECTION: forcing a failure. [ 103.375131][ T4012] name failslab, interval 1, probability 0, space 0, times 0 [ 103.378524][ T4012] CPU: 0 PID: 4012 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 103.380782][ T4012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 103.383350][ T4012] Call trace: [ 103.384221][ T4012] dump_backtrace+0x0/0x530 [ 103.385455][ T4012] show_stack+0x2c/0x3c [ 103.386553][ T4012] dump_stack_lvl+0x108/0x170 [ 103.387753][ T4012] dump_stack+0x1c/0x58 [ 103.388875][ T4012] should_fail+0x400/0x5cc [ 103.390067][ T4012] __should_failslab+0xbc/0x110 [ 103.391284][ T4012] should_failslab+0x10/0x28 [ 103.392515][ T4012] slab_pre_alloc_hook+0x64/0xe8 [ 103.393830][ T4012] __kmalloc+0xc0/0x4c8 [ 103.394899][ T4012] tomoyo_supervisor+0xce8/0x115c [ 103.396210][ T4012] tomoyo_path_number_perm+0x4c0/0x6b0 [ 103.397621][ T4012] tomoyo_file_ioctl+0x2c/0x3c [ 103.398873][ T4012] security_file_ioctl+0x80/0xbc [ 103.400140][ T4012] __arm64_sys_ioctl+0xa8/0x1c8 [ 103.401442][ T4012] invoke_syscall+0x98/0x2b8 [ 103.402626][ T4012] el0_svc_common+0x138/0x258 [ 103.403881][ T4012] do_el0_svc+0x58/0x14c [ 103.404968][ T4012] el0_svc+0x7c/0x1f0 [ 103.406024][ T4012] el0t_64_sync_handler+0x84/0xe4 [ 103.407413][ T4012] el0t_64_sync+0x1a0/0x1a4 [ 103.425134][ T4011] block nbd0: shutting down sockets executing program [ 103.522980][ T4014] FAULT_INJECTION: forcing a failure. [ 103.522980][ T4014] name failslab, interval 1, probability 0, space 0, times 0 [ 103.526304][ T4014] CPU: 1 PID: 4014 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 103.528522][ T4014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 103.531151][ T4014] Call trace: [ 103.531954][ T4014] dump_backtrace+0x0/0x530 [ 103.533102][ T4014] show_stack+0x2c/0x3c [ 103.534203][ T4014] dump_stack_lvl+0x108/0x170 [ 103.535433][ T4014] dump_stack+0x1c/0x58 [ 103.536531][ T4014] should_fail+0x400/0x5cc [ 103.537735][ T4014] __should_failslab+0xbc/0x110 [ 103.539058][ T4014] should_failslab+0x10/0x28 [ 103.540282][ T4014] slab_pre_alloc_hook+0x64/0xe8 [ 103.541632][ T4014] __kmalloc+0xc0/0x4c8 [ 103.542799][ T4014] tomoyo_init_log+0x1578/0x19e4 [ 103.544132][ T4014] tomoyo_supervisor+0x3ac/0x115c [ 103.545426][ T4014] tomoyo_path_number_perm+0x4c0/0x6b0 [ 103.546872][ T4014] tomoyo_file_ioctl+0x2c/0x3c [ 103.548116][ T4014] security_file_ioctl+0x80/0xbc [ 103.549416][ T4014] __arm64_sys_ioctl+0xa8/0x1c8 [ 103.550687][ T4014] invoke_syscall+0x98/0x2b8 [ 103.551876][ T4014] el0_svc_common+0x138/0x258 [ 103.553066][ T4014] do_el0_svc+0x58/0x14c [ 103.554196][ T4014] el0_svc+0x7c/0x1f0 [ 103.555268][ T4014] el0t_64_sync_handler+0x84/0xe4 [ 103.556612][ T4014] el0t_64_sync+0x1a0/0x1a4 [ 103.573492][ T4016] block nbd0: shutting down sockets executing program [ 103.673030][ T4018] FAULT_INJECTION: forcing a failure. [ 103.673030][ T4018] name failslab, interval 1, probability 0, space 0, times 0 [ 103.676402][ T4018] CPU: 1 PID: 4018 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 103.678549][ T4018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 103.681141][ T4018] Call trace: [ 103.681991][ T4018] dump_backtrace+0x0/0x530 [ 103.683203][ T4018] show_stack+0x2c/0x3c [ 103.684314][ T4018] dump_stack_lvl+0x108/0x170 [ 103.685575][ T4018] dump_stack+0x1c/0x58 [ 103.686727][ T4018] should_fail+0x400/0x5cc [ 103.687954][ T4018] __should_failslab+0xbc/0x110 [ 103.689278][ T4018] should_failslab+0x10/0x28 [ 103.690471][ T4018] slab_pre_alloc_hook+0x64/0xe8 [ 103.691841][ T4018] __kmalloc+0xc0/0x4c8 [ 103.692988][ T4018] tomoyo_supervisor+0xce8/0x115c [ 103.694407][ T4018] tomoyo_path_number_perm+0x4c0/0x6b0 [ 103.695910][ T4018] tomoyo_file_ioctl+0x2c/0x3c [ 103.697168][ T4018] security_file_ioctl+0x80/0xbc [ 103.698483][ T4018] __arm64_sys_ioctl+0xa8/0x1c8 [ 103.699820][ T4018] invoke_syscall+0x98/0x2b8 [ 103.701043][ T4018] el0_svc_common+0x138/0x258 [ 103.702234][ T4018] do_el0_svc+0x58/0x14c [ 103.703339][ T4018] el0_svc+0x7c/0x1f0 [ 103.704342][ T4018] el0t_64_sync_handler+0x84/0xe4 [ 103.705666][ T4018] el0t_64_sync+0x1a0/0x1a4 [ 103.723565][ T4019] block nbd0: shutting down sockets executing program [ 103.841669][ T4021] FAULT_INJECTION: forcing a failure. [ 103.841669][ T4021] name failslab, interval 1, probability 0, space 0, times 0 [ 103.841879][ T4022] block nbd0: Device being setup by another task [ 103.845451][ T4021] CPU: 1 PID: 4021 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 103.849094][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 103.851744][ T4021] Call trace: [ 103.852628][ T4021] dump_backtrace+0x0/0x530 [ 103.853785][ T4021] show_stack+0x2c/0x3c [ 103.854886][ T4021] dump_stack_lvl+0x108/0x170 [ 103.856160][ T4021] dump_stack+0x1c/0x58 [ 103.857250][ T4021] should_fail+0x400/0x5cc [ 103.858467][ T4021] __should_failslab+0xbc/0x110 [ 103.859775][ T4021] should_failslab+0x10/0x28 [ 103.860974][ T4021] slab_pre_alloc_hook+0x64/0xe8 [ 103.862299][ T4021] __kmalloc+0xc0/0x4c8 [ 103.863488][ T4021] tomoyo_supervisor+0xce8/0x115c [ 103.864792][ T4021] tomoyo_path_number_perm+0x4c0/0x6b0 [ 103.866218][ T4021] tomoyo_file_ioctl+0x2c/0x3c [ 103.867494][ T4021] security_file_ioctl+0x80/0xbc [ 103.868853][ T4021] __arm64_sys_ioctl+0xa8/0x1c8 [ 103.870148][ T4021] invoke_syscall+0x98/0x2b8 [ 103.871342][ T4021] el0_svc_common+0x138/0x258 [ 103.872578][ T4021] do_el0_svc+0x58/0x14c [ 103.873686][ T4021] el0_svc+0x7c/0x1f0 [ 103.874766][ T4021] el0t_64_sync_handler+0x84/0xe4 [ 103.876077][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 103.919669][ T4022] block nbd0: shutting down sockets executing program [ 104.032928][ T4024] FAULT_INJECTION: forcing a failure. [ 104.032928][ T4024] name failslab, interval 1, probability 0, space 0, times 0 [ 104.036281][ T4024] CPU: 0 PID: 4024 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 104.038498][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 104.041055][ T4024] Call trace: [ 104.041933][ T4024] dump_backtrace+0x0/0x530 [ 104.043128][ T4024] show_stack+0x2c/0x3c [ 104.044180][ T4024] dump_stack_lvl+0x108/0x170 [ 104.045439][ T4024] dump_stack+0x1c/0x58 [ 104.046534][ T4024] should_fail+0x400/0x5cc [ 104.047737][ T4024] __should_failslab+0xbc/0x110 [ 104.049059][ T4024] should_failslab+0x10/0x28 [ 104.050339][ T4024] slab_pre_alloc_hook+0x64/0xe8 [ 104.051678][ T4024] __kmalloc+0xc0/0x4c8 [ 104.052779][ T4024] tomoyo_init_log+0x1578/0x19e4 [ 104.054115][ T4024] tomoyo_supervisor+0x3ac/0x115c [ 104.055427][ T4024] tomoyo_path_number_perm+0x4c0/0x6b0 [ 104.056825][ T4024] tomoyo_file_ioctl+0x2c/0x3c [ 104.058104][ T4024] security_file_ioctl+0x80/0xbc [ 104.059383][ T4024] __arm64_sys_ioctl+0xa8/0x1c8 [ 104.060657][ T4024] invoke_syscall+0x98/0x2b8 [ 104.061877][ T4024] el0_svc_common+0x138/0x258 [ 104.063103][ T4024] do_el0_svc+0x58/0x14c [ 104.064228][ T4024] el0_svc+0x7c/0x1f0 [ 104.065320][ T4024] el0t_64_sync_handler+0x84/0xe4 [ 104.066614][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 104.109185][ T4025] block nbd0: shutting down sockets executing program [ 104.202857][ T4027] FAULT_INJECTION: forcing a failure. [ 104.202857][ T4027] name failslab, interval 1, probability 0, space 0, times 0 [ 104.206311][ T4027] CPU: 0 PID: 4027 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 104.208567][ T4027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 104.211116][ T4027] Call trace: [ 104.211955][ T4027] dump_backtrace+0x0/0x530 [ 104.213196][ T4027] show_stack+0x2c/0x3c [ 104.214326][ T4027] dump_stack_lvl+0x108/0x170 [ 104.215570][ T4027] dump_stack+0x1c/0x58 [ 104.216688][ T4027] should_fail+0x400/0x5cc [ 104.217824][ T4027] __should_failslab+0xbc/0x110 [ 104.219111][ T4027] should_failslab+0x10/0x28 [ 104.220333][ T4027] slab_pre_alloc_hook+0x64/0xe8 [ 104.221654][ T4027] __kmalloc+0xc0/0x4c8 [ 104.222829][ T4027] tomoyo_supervisor+0xce8/0x115c [ 104.224171][ T4027] tomoyo_path_number_perm+0x4c0/0x6b0 [ 104.225616][ T4027] tomoyo_file_ioctl+0x2c/0x3c [ 104.226911][ T4027] security_file_ioctl+0x80/0xbc [ 104.228253][ T4027] __arm64_sys_ioctl+0xa8/0x1c8 [ 104.229542][ T4027] invoke_syscall+0x98/0x2b8 [ 104.230781][ T4027] el0_svc_common+0x138/0x258 [ 104.232014][ T4027] do_el0_svc+0x58/0x14c [ 104.233138][ T4027] el0_svc+0x7c/0x1f0 [ 104.234235][ T4027] el0t_64_sync_handler+0x84/0xe4 [ 104.235562][ T4027] el0t_64_sync+0x1a0/0x1a4 [ 104.253467][ T4028] block nbd0: shutting down sockets executing program [ 104.370757][ T4030] FAULT_INJECTION: forcing a failure. [ 104.370757][ T4030] name failslab, interval 1, probability 0, space 0, times 0 [ 104.371950][ T4031] block nbd0: Device being setup by another task [ 104.374211][ T4030] CPU: 1 PID: 4030 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 104.378048][ T4030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 104.380642][ T4030] Call trace: [ 104.381493][ T4030] dump_backtrace+0x0/0x530 [ 104.382656][ T4030] show_stack+0x2c/0x3c [ 104.383795][ T4030] dump_stack_lvl+0x108/0x170 [ 104.385072][ T4030] dump_stack+0x1c/0x58 [ 104.386220][ T4030] should_fail+0x400/0x5cc [ 104.387379][ T4030] __should_failslab+0xbc/0x110 [ 104.388670][ T4030] should_failslab+0x10/0x28 [ 104.389938][ T4030] slab_pre_alloc_hook+0x64/0xe8 [ 104.391256][ T4030] __kmalloc+0xc0/0x4c8 [ 104.392368][ T4030] tomoyo_supervisor+0xce8/0x115c [ 104.393727][ T4030] tomoyo_path_number_perm+0x4c0/0x6b0 [ 104.395201][ T4030] tomoyo_file_ioctl+0x2c/0x3c [ 104.396527][ T4030] security_file_ioctl+0x80/0xbc [ 104.397946][ T4030] __arm64_sys_ioctl+0xa8/0x1c8 [ 104.399341][ T4030] invoke_syscall+0x98/0x2b8 [ 104.400615][ T4030] el0_svc_common+0x138/0x258 [ 104.401945][ T4030] do_el0_svc+0x58/0x14c [ 104.403154][ T4030] el0_svc+0x7c/0x1f0 [ 104.404267][ T4030] el0t_64_sync_handler+0x84/0xe4 [ 104.405627][ T4030] el0t_64_sync+0x1a0/0x1a4 [ 104.450016][ T4031] block nbd0: shutting down sockets executing program [ 104.522901][ T4033] FAULT_INJECTION: forcing a failure. [ 104.522901][ T4033] name failslab, interval 1, probability 0, space 0, times 0 [ 104.526152][ T4033] CPU: 0 PID: 4033 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 104.528318][ T4033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 104.530846][ T4033] Call trace: [ 104.531657][ T4033] dump_backtrace+0x0/0x530 [ 104.532889][ T4033] show_stack+0x2c/0x3c [ 104.533989][ T4033] dump_stack_lvl+0x108/0x170 [ 104.535198][ T4033] dump_stack+0x1c/0x58 [ 104.536298][ T4033] should_fail+0x400/0x5cc [ 104.537464][ T4033] __should_failslab+0xbc/0x110 [ 104.538757][ T4033] should_failslab+0x10/0x28 [ 104.539983][ T4033] slab_pre_alloc_hook+0x64/0xe8 [ 104.541271][ T4033] __kmalloc+0xc0/0x4c8 [ 104.542322][ T4033] tomoyo_init_log+0x1578/0x19e4 [ 104.543643][ T4033] tomoyo_supervisor+0x3ac/0x115c [ 104.544951][ T4033] tomoyo_path_number_perm+0x4c0/0x6b0 [ 104.546361][ T4033] tomoyo_file_ioctl+0x2c/0x3c [ 104.547579][ T4033] security_file_ioctl+0x80/0xbc [ 104.548866][ T4033] __arm64_sys_ioctl+0xa8/0x1c8 [ 104.550171][ T4033] invoke_syscall+0x98/0x2b8 [ 104.551366][ T4033] el0_svc_common+0x138/0x258 [ 104.552592][ T4033] do_el0_svc+0x58/0x14c [ 104.553722][ T4033] el0_svc+0x7c/0x1f0 [ 104.554802][ T4033] el0t_64_sync_handler+0x84/0xe4 [ 104.556163][ T4033] el0t_64_sync+0x1a0/0x1a4 [ 104.599759][ T4034] block nbd0: shutting down sockets executing program [ 104.702887][ T4036] FAULT_INJECTION: forcing a failure. [ 104.702887][ T4036] name failslab, interval 1, probability 0, space 0, times 0 [ 104.706234][ T4036] CPU: 0 PID: 4036 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 104.708561][ T4036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 104.711226][ T4036] Call trace: [ 104.712057][ T4036] dump_backtrace+0x0/0x530 [ 104.713273][ T4036] show_stack+0x2c/0x3c [ 104.714480][ T4036] dump_stack_lvl+0x108/0x170 [ 104.715753][ T4036] dump_stack+0x1c/0x58 [ 104.716863][ T4036] should_fail+0x400/0x5cc [ 104.718068][ T4036] __should_failslab+0xbc/0x110 [ 104.719369][ T4036] should_failslab+0x10/0x28 [ 104.720623][ T4036] slab_pre_alloc_hook+0x64/0xe8 [ 104.721941][ T4036] __kmalloc+0xc0/0x4c8 [ 104.723111][ T4036] tomoyo_supervisor+0xce8/0x115c [ 104.724498][ T4036] tomoyo_path_number_perm+0x4c0/0x6b0 [ 104.725938][ T4036] tomoyo_file_ioctl+0x2c/0x3c [ 104.727144][ T4036] security_file_ioctl+0x80/0xbc [ 104.728486][ T4036] __arm64_sys_ioctl+0xa8/0x1c8 [ 104.729762][ T4036] invoke_syscall+0x98/0x2b8 [ 104.731037][ T4036] el0_svc_common+0x138/0x258 [ 104.732264][ T4036] do_el0_svc+0x58/0x14c [ 104.733394][ T4036] el0_svc+0x7c/0x1f0 [ 104.734470][ T4036] el0t_64_sync_handler+0x84/0xe4 [ 104.735809][ T4036] el0t_64_sync+0x1a0/0x1a4 [ 104.753454][ T4037] block nbd0: shutting down sockets executing program [ 104.852949][ T4039] FAULT_INJECTION: forcing a failure. [ 104.852949][ T4039] name failslab, interval 1, probability 0, space 0, times 0 [ 104.856413][ T4039] CPU: 1 PID: 4039 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 104.858645][ T4039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 104.861261][ T4039] Call trace: [ 104.862147][ T4039] dump_backtrace+0x0/0x530 [ 104.863341][ T4039] show_stack+0x2c/0x3c [ 104.864429][ T4039] dump_stack_lvl+0x108/0x170 [ 104.865665][ T4039] dump_stack+0x1c/0x58 [ 104.866782][ T4039] should_fail+0x400/0x5cc [ 104.867919][ T4039] __should_failslab+0xbc/0x110 [ 104.869210][ T4039] should_failslab+0x10/0x28 [ 104.870432][ T4039] slab_pre_alloc_hook+0x64/0xe8 [ 104.871753][ T4039] __kmalloc+0xc0/0x4c8 [ 104.872825][ T4039] tomoyo_supervisor+0xce8/0x115c [ 104.874096][ T4039] tomoyo_path_number_perm+0x4c0/0x6b0 [ 104.875482][ T4039] tomoyo_file_ioctl+0x2c/0x3c [ 104.876717][ T4039] security_file_ioctl+0x80/0xbc [ 104.878016][ T4039] __arm64_sys_ioctl+0xa8/0x1c8 [ 104.879327][ T4039] invoke_syscall+0x98/0x2b8 [ 104.880564][ T4039] el0_svc_common+0x138/0x258 [ 104.881807][ T4039] do_el0_svc+0x58/0x14c [ 104.882908][ T4039] el0_svc+0x7c/0x1f0 [ 104.883937][ T4039] el0t_64_sync_handler+0x84/0xe4 [ 104.885268][ T4039] el0t_64_sync+0x1a0/0x1a4 [ 104.903397][ T4040] block nbd0: shutting down sockets executing program [ 105.020775][ T4042] FAULT_INJECTION: forcing a failure. [ 105.020775][ T4042] name failslab, interval 1, probability 0, space 0, times 0 [ 105.024310][ T4042] CPU: 1 PID: 4042 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 105.026523][ T4042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 105.029203][ T4042] Call trace: [ 105.030049][ T4042] dump_backtrace+0x0/0x530 [ 105.031178][ T4042] show_stack+0x2c/0x3c [ 105.032260][ T4042] dump_stack_lvl+0x108/0x170 [ 105.033462][ T4042] dump_stack+0x1c/0x58 [ 105.034525][ T4042] should_fail+0x400/0x5cc [ 105.035713][ T4042] __should_failslab+0xbc/0x110 [ 105.036992][ T4042] should_failslab+0x10/0x28 [ 105.038274][ T4042] slab_pre_alloc_hook+0x64/0xe8 [ 105.039599][ T4042] __kmalloc+0xc0/0x4c8 [ 105.040750][ T4042] tomoyo_init_log+0x1578/0x19e4 [ 105.042023][ T4042] tomoyo_supervisor+0x3ac/0x115c [ 105.043313][ T4042] tomoyo_path_number_perm+0x4c0/0x6b0 [ 105.044788][ T4042] tomoyo_file_ioctl+0x2c/0x3c [ 105.046025][ T4042] security_file_ioctl+0x80/0xbc [ 105.047287][ T4042] __arm64_sys_ioctl+0xa8/0x1c8 [ 105.048534][ T4042] invoke_syscall+0x98/0x2b8 [ 105.049750][ T4042] el0_svc_common+0x138/0x258 [ 105.050955][ T4042] do_el0_svc+0x58/0x14c [ 105.052093][ T4042] el0_svc+0x7c/0x1f0 [ 105.053122][ T4042] el0t_64_sync_handler+0x84/0xe4 [ 105.054444][ T4042] el0t_64_sync+0x1a0/0x1a4 [ 105.071927][ T4043] block nbd0: Device being setup by another task [ 105.129987][ T4044] block nbd0: shutting down sockets executing program [ 105.285739][ T4046] FAULT_INJECTION: forcing a failure. [ 105.285739][ T4046] name failslab, interval 1, probability 0, space 0, times 0 [ 105.289293][ T4046] CPU: 0 PID: 4046 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 105.291749][ T4046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 105.294635][ T4046] Call trace: [ 105.295606][ T4046] dump_backtrace+0x0/0x530 [ 105.296954][ T4046] show_stack+0x2c/0x3c [ 105.298150][ T4046] dump_stack_lvl+0x108/0x170 [ 105.299531][ T4046] dump_stack+0x1c/0x58 [ 105.300831][ T4046] should_fail+0x400/0x5cc [ 105.302144][ T4046] __should_failslab+0xbc/0x110 [ 105.303578][ T4046] should_failslab+0x10/0x28 [ 105.304954][ T4046] slab_pre_alloc_hook+0x64/0xe8 [ 105.306372][ T4046] __kmalloc_node+0xbc/0x5b8 [ 105.307729][ T4046] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 105.309363][ T4046] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 105.311052][ T4046] nbd_start_device+0x158/0xb34 [ 105.312443][ T4046] nbd_ioctl+0x420/0xc2c [ 105.313368][ T4046] blkdev_ioctl+0x3d8/0xbd0 [ 105.314546][ T4046] block_ioctl+0xa8/0x114 [ 105.315823][ T4046] __arm64_sys_ioctl+0x14c/0x1c8 [ 105.317213][ T4046] invoke_syscall+0x98/0x2b8 [ 105.318542][ T4046] el0_svc_common+0x138/0x258 [ 105.319871][ T4046] do_el0_svc+0x58/0x14c [ 105.321048][ T4046] el0_svc+0x7c/0x1f0 [ 105.322169][ T4046] el0t_64_sync_handler+0x84/0xe4 [ 105.323570][ T4046] el0t_64_sync+0x1a0/0x1a4 [ 105.325078][ T4046] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 105.329655][ T4047] block nbd0: shutting down sockets executing program [ 105.441915][ T4050] block nbd0: Device being setup by another task [ 105.444423][ T4049] FAULT_INJECTION: forcing a failure. [ 105.444423][ T4049] name failslab, interval 1, probability 0, space 0, times 0 [ 105.447865][ T4049] CPU: 0 PID: 4049 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 105.450053][ T4049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 105.452753][ T4049] Call trace: [ 105.453640][ T4049] dump_backtrace+0x0/0x530 [ 105.454855][ T4049] show_stack+0x2c/0x3c [ 105.455960][ T4049] dump_stack_lvl+0x108/0x170 [ 105.457185][ T4049] dump_stack+0x1c/0x58 [ 105.458319][ T4049] should_fail+0x400/0x5cc [ 105.459465][ T4049] __should_failslab+0xbc/0x110 [ 105.460775][ T4049] should_failslab+0x10/0x28 [ 105.462033][ T4049] slab_pre_alloc_hook+0x64/0xe8 [ 105.463334][ T4049] kmem_cache_alloc+0x98/0x45c [ 105.464725][ T4049] new_inode_pseudo+0x110/0x200 [ 105.466100][ T4049] new_inode+0x38/0x174 [ 105.467194][ T4049] debugfs_create_dir+0xf0/0x420 [ 105.468525][ T4049] nbd_start_device+0x3bc/0xb34 [ 105.470073][ T4049] nbd_ioctl+0x420/0xc2c [ 105.471189][ T4049] blkdev_ioctl+0x3d8/0xbd0 [ 105.472379][ T4049] block_ioctl+0xa8/0x114 [ 105.473516][ T4049] __arm64_sys_ioctl+0x14c/0x1c8 [ 105.474871][ T4049] invoke_syscall+0x98/0x2b8 [ 105.476117][ T4049] el0_svc_common+0x138/0x258 [ 105.477329][ T4049] do_el0_svc+0x58/0x14c [ 105.478467][ T4049] el0_svc+0x7c/0x1f0 [ 105.479542][ T4049] el0t_64_sync_handler+0x84/0xe4 [ 105.480876][ T4049] el0t_64_sync+0x1a0/0x1a4 [ 105.482275][ T4049] debugfs: out of free dentries, can not create directory 'nbd0' [ 105.484458][ T4049] block nbd0: Failed to create debugfs dir for 'nbd0' [ 105.494980][ T4050] block nbd0: shutting down sockets executing program [ 105.627106][ T4052] FAULT_INJECTION: forcing a failure. [ 105.627106][ T4052] name failslab, interval 1, probability 0, space 0, times 0 [ 105.630511][ T4052] CPU: 1 PID: 4052 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 105.632762][ T4052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 105.635431][ T4052] Call trace: [ 105.636308][ T4052] dump_backtrace+0x0/0x530 [ 105.637496][ T4052] show_stack+0x2c/0x3c [ 105.638601][ T4052] dump_stack_lvl+0x108/0x170 [ 105.639887][ T4052] dump_stack+0x1c/0x58 [ 105.641048][ T4052] should_fail+0x400/0x5cc [ 105.642255][ T4052] __should_failslab+0xbc/0x110 [ 105.643598][ T4052] should_failslab+0x10/0x28 [ 105.644853][ T4052] slab_pre_alloc_hook+0x64/0xe8 [ 105.646245][ T4052] __kmalloc_node+0xbc/0x5b8 [ 105.647448][ T4052] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 105.648871][ T4052] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 105.650351][ T4052] nbd_start_device+0x158/0xb34 [ 105.651768][ T4052] nbd_ioctl+0x420/0xc2c [ 105.652930][ T4052] blkdev_ioctl+0x3d8/0xbd0 [ 105.654119][ T4052] block_ioctl+0xa8/0x114 [ 105.655285][ T4052] __arm64_sys_ioctl+0x14c/0x1c8 [ 105.656565][ T4052] invoke_syscall+0x98/0x2b8 [ 105.657790][ T4052] el0_svc_common+0x138/0x258 [ 105.659044][ T4052] do_el0_svc+0x58/0x14c [ 105.660187][ T4052] el0_svc+0x7c/0x1f0 [ 105.661217][ T4052] el0t_64_sync_handler+0x84/0xe4 [ 105.662548][ T4052] el0t_64_sync+0x1a0/0x1a4 [ 105.663944][ T4052] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 105.668912][ T4053] block nbd0: shutting down sockets executing program [ 105.796089][ T4055] FAULT_INJECTION: forcing a failure. [ 105.796089][ T4055] name failslab, interval 1, probability 0, space 0, times 0 [ 105.799457][ T4055] CPU: 1 PID: 4055 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 105.801787][ T4055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 105.804527][ T4055] Call trace: [ 105.805396][ T4055] dump_backtrace+0x0/0x530 [ 105.806624][ T4055] show_stack+0x2c/0x3c [ 105.807693][ T4055] dump_stack_lvl+0x108/0x170 [ 105.808987][ T4055] dump_stack+0x1c/0x58 [ 105.810114][ T4055] should_fail+0x400/0x5cc [ 105.811324][ T4055] __should_failslab+0xbc/0x110 [ 105.812608][ T4055] should_failslab+0x10/0x28 [ 105.813883][ T4055] slab_pre_alloc_hook+0x64/0xe8 [ 105.815285][ T4055] __kmalloc_node+0xbc/0x5b8 [ 105.816532][ T4055] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 105.818009][ T4055] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 105.819527][ T4055] nbd_start_device+0x158/0xb34 [ 105.820840][ T4055] nbd_ioctl+0x420/0xc2c [ 105.821996][ T4055] blkdev_ioctl+0x3d8/0xbd0 [ 105.823193][ T4055] block_ioctl+0xa8/0x114 [ 105.824354][ T4055] __arm64_sys_ioctl+0x14c/0x1c8 [ 105.825716][ T4055] invoke_syscall+0x98/0x2b8 [ 105.826921][ T4055] el0_svc_common+0x138/0x258 [ 105.828120][ T4055] do_el0_svc+0x58/0x14c [ 105.829270][ T4055] el0_svc+0x7c/0x1f0 [ 105.830309][ T4055] el0t_64_sync_handler+0x84/0xe4 [ 105.831633][ T4055] el0t_64_sync+0x1a0/0x1a4 [ 105.833089][ T4055] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 105.838113][ T4056] block nbd0: shutting down sockets executing program [ 105.961969][ T4059] block nbd0: Device being setup by another task [ 105.963859][ T4058] FAULT_INJECTION: forcing a failure. [ 105.963859][ T4058] name failslab, interval 1, probability 0, space 0, times 0 [ 105.967326][ T4058] CPU: 1 PID: 4058 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 105.969584][ T4058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 105.972295][ T4058] Call trace: [ 105.973219][ T4058] dump_backtrace+0x0/0x530 [ 105.974528][ T4058] show_stack+0x2c/0x3c [ 105.975680][ T4058] dump_stack_lvl+0x108/0x170 [ 105.976999][ T4058] dump_stack+0x1c/0x58 [ 105.978088][ T4058] should_fail+0x400/0x5cc [ 105.979194][ T4058] __should_failslab+0xbc/0x110 [ 105.980479][ T4058] should_failslab+0x10/0x28 [ 105.981746][ T4058] slab_pre_alloc_hook+0x64/0xe8 [ 105.983042][ T4058] kmem_cache_alloc+0x98/0x45c [ 105.984389][ T4058] new_inode_pseudo+0x110/0x200 [ 105.985648][ T4058] new_inode+0x38/0x174 [ 105.986809][ T4058] debugfs_create_dir+0xf0/0x420 [ 105.988166][ T4058] nbd_start_device+0x3bc/0xb34 [ 105.989434][ T4058] nbd_ioctl+0x420/0xc2c [ 105.990597][ T4058] blkdev_ioctl+0x3d8/0xbd0 [ 105.991833][ T4058] block_ioctl+0xa8/0x114 [ 105.993045][ T4058] __arm64_sys_ioctl+0x14c/0x1c8 [ 105.994374][ T4058] invoke_syscall+0x98/0x2b8 [ 105.995678][ T4058] el0_svc_common+0x138/0x258 [ 105.996998][ T4058] do_el0_svc+0x58/0x14c [ 105.998152][ T4058] el0_svc+0x7c/0x1f0 [ 105.999216][ T4058] el0t_64_sync_handler+0x84/0xe4 [ 106.000541][ T4058] el0t_64_sync+0x1a0/0x1a4 [ 106.001889][ T4058] debugfs: out of free dentries, can not create directory 'nbd0' [ 106.003983][ T4058] block nbd0: Failed to create debugfs dir for 'nbd0' [ 106.010125][ T4059] block nbd0: shutting down sockets executing program [ 106.175980][ T4061] FAULT_INJECTION: forcing a failure. [ 106.175980][ T4061] name failslab, interval 1, probability 0, space 0, times 0 [ 106.179444][ T4061] CPU: 0 PID: 4061 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 106.181822][ T4061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 106.184491][ T4061] Call trace: [ 106.185321][ T4061] dump_backtrace+0x0/0x530 [ 106.186508][ T4061] show_stack+0x2c/0x3c [ 106.187598][ T4061] dump_stack_lvl+0x108/0x170 [ 106.189064][ T4061] dump_stack+0x1c/0x58 [ 106.190260][ T4061] should_fail+0x400/0x5cc [ 106.191459][ T4061] __should_failslab+0xbc/0x110 [ 106.192760][ T4061] should_failslab+0x10/0x28 [ 106.194158][ T4061] slab_pre_alloc_hook+0x64/0xe8 [ 106.195485][ T4061] __kmalloc_node+0xbc/0x5b8 [ 106.196650][ T4061] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 106.198076][ T4061] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 106.199654][ T4061] nbd_start_device+0x158/0xb34 [ 106.201122][ T4061] nbd_ioctl+0x420/0xc2c [ 106.202276][ T4061] blkdev_ioctl+0x3d8/0xbd0 [ 106.203488][ T4061] block_ioctl+0xa8/0x114 [ 106.204643][ T4061] __arm64_sys_ioctl+0x14c/0x1c8 [ 106.206055][ T4061] invoke_syscall+0x98/0x2b8 [ 106.207245][ T4061] el0_svc_common+0x138/0x258 [ 106.208510][ T4061] do_el0_svc+0x58/0x14c [ 106.209654][ T4061] el0_svc+0x7c/0x1f0 [ 106.210747][ T4061] el0t_64_sync_handler+0x84/0xe4 [ 106.212081][ T4061] el0t_64_sync+0x1a0/0x1a4 [ 106.214201][ T4061] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 106.218627][ T4062] block nbd0: shutting down sockets executing program [ 106.375706][ T4065] FAULT_INJECTION: forcing a failure. [ 106.375706][ T4065] name failslab, interval 1, probability 0, space 0, times 0 [ 106.379013][ T4065] CPU: 0 PID: 4065 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 106.381451][ T4065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 106.384102][ T4065] Call trace: [ 106.384975][ T4065] dump_backtrace+0x0/0x530 [ 106.386253][ T4065] show_stack+0x2c/0x3c [ 106.387397][ T4065] dump_stack_lvl+0x108/0x170 [ 106.388740][ T4065] dump_stack+0x1c/0x58 [ 106.389828][ T4065] should_fail+0x400/0x5cc [ 106.391009][ T4065] __should_failslab+0xbc/0x110 [ 106.392286][ T4065] should_failslab+0x10/0x28 [ 106.393502][ T4065] slab_pre_alloc_hook+0x64/0xe8 [ 106.394870][ T4065] __kmalloc_node+0xbc/0x5b8 [ 106.396126][ T4065] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 106.397505][ T4065] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 106.399001][ T4065] nbd_start_device+0x158/0xb34 [ 106.400281][ T4065] nbd_ioctl+0x420/0xc2c [ 106.401406][ T4065] blkdev_ioctl+0x3d8/0xbd0 [ 106.402627][ T4065] block_ioctl+0xa8/0x114 [ 106.403809][ T4065] __arm64_sys_ioctl+0x14c/0x1c8 [ 106.405143][ T4065] invoke_syscall+0x98/0x2b8 [ 106.406354][ T4065] el0_svc_common+0x138/0x258 [ 106.407645][ T4065] do_el0_svc+0x58/0x14c [ 106.408785][ T4065] el0_svc+0x7c/0x1f0 [ 106.409845][ T4065] el0t_64_sync_handler+0x84/0xe4 [ 106.411196][ T4065] el0t_64_sync+0x1a0/0x1a4 [ 106.412597][ T4065] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 106.418095][ T4066] block nbd0: shutting down sockets executing program [ 106.535646][ T4069] FAULT_INJECTION: forcing a failure. [ 106.535646][ T4069] name failslab, interval 1, probability 0, space 0, times 0 [ 106.539066][ T4069] CPU: 0 PID: 4069 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 106.541327][ T4069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 106.544042][ T4069] Call trace: [ 106.544878][ T4069] dump_backtrace+0x0/0x530 [ 106.546012][ T4069] show_stack+0x2c/0x3c [ 106.547134][ T4069] dump_stack_lvl+0x108/0x170 [ 106.548410][ T4069] dump_stack+0x1c/0x58 [ 106.549495][ T4069] should_fail+0x400/0x5cc [ 106.550650][ T4069] __should_failslab+0xbc/0x110 [ 106.551916][ T4069] should_failslab+0x10/0x28 [ 106.553082][ T4069] slab_pre_alloc_hook+0x64/0xe8 [ 106.554386][ T4069] __kmalloc_node+0xbc/0x5b8 [ 106.555570][ T4069] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 106.557075][ T4069] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 106.558614][ T4069] nbd_start_device+0x158/0xb34 [ 106.559952][ T4069] nbd_ioctl+0x420/0xc2c [ 106.561057][ T4069] blkdev_ioctl+0x3d8/0xbd0 [ 106.562206][ T4069] block_ioctl+0xa8/0x114 [ 106.563381][ T4069] __arm64_sys_ioctl+0x14c/0x1c8 [ 106.564737][ T4069] invoke_syscall+0x98/0x2b8 [ 106.566034][ T4069] el0_svc_common+0x138/0x258 [ 106.567287][ T4069] do_el0_svc+0x58/0x14c [ 106.568435][ T4069] el0_svc+0x7c/0x1f0 [ 106.569452][ T4069] el0t_64_sync_handler+0x84/0xe4 [ 106.570789][ T4069] el0t_64_sync+0x1a0/0x1a4 [ 106.572185][ T4069] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 106.576507][ T4070] block nbd0: shutting down sockets executing program [ 106.716153][ T4072] FAULT_INJECTION: forcing a failure. [ 106.716153][ T4072] name failslab, interval 1, probability 0, space 0, times 0 [ 106.719571][ T4072] CPU: 0 PID: 4072 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 106.721857][ T4072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 106.724651][ T4072] Call trace: [ 106.725518][ T4072] dump_backtrace+0x0/0x530 [ 106.726763][ T4072] show_stack+0x2c/0x3c [ 106.727893][ T4072] dump_stack_lvl+0x108/0x170 [ 106.729163][ T4072] dump_stack+0x1c/0x58 [ 106.730300][ T4072] should_fail+0x400/0x5cc [ 106.731473][ T4072] __should_failslab+0xbc/0x110 [ 106.732823][ T4072] should_failslab+0x10/0x28 [ 106.734000][ T4072] slab_pre_alloc_hook+0x64/0xe8 [ 106.735366][ T4072] __kmalloc_node+0xbc/0x5b8 [ 106.736603][ T4072] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 106.738007][ T4072] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 106.739577][ T4072] nbd_start_device+0x158/0xb34 [ 106.740887][ T4072] nbd_ioctl+0x420/0xc2c [ 106.742024][ T4072] blkdev_ioctl+0x3d8/0xbd0 [ 106.743219][ T4072] block_ioctl+0xa8/0x114 [ 106.744393][ T4072] __arm64_sys_ioctl+0x14c/0x1c8 [ 106.745739][ T4072] invoke_syscall+0x98/0x2b8 [ 106.746937][ T4072] el0_svc_common+0x138/0x258 [ 106.748251][ T4072] do_el0_svc+0x58/0x14c [ 106.749425][ T4072] el0_svc+0x7c/0x1f0 [ 106.750528][ T4072] el0t_64_sync_handler+0x84/0xe4 [ 106.751904][ T4072] el0t_64_sync+0x1a0/0x1a4 [ 106.755114][ T4072] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 106.759576][ T4073] block nbd0: shutting down sockets executing program [ 106.905907][ T4075] FAULT_INJECTION: forcing a failure. [ 106.905907][ T4075] name failslab, interval 1, probability 0, space 0, times 0 [ 106.909382][ T4075] CPU: 1 PID: 4075 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 106.911657][ T4075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 106.914383][ T4075] Call trace: [ 106.915311][ T4075] dump_backtrace+0x0/0x530 [ 106.916564][ T4075] show_stack+0x2c/0x3c [ 106.917648][ T4075] dump_stack_lvl+0x108/0x170 [ 106.918996][ T4075] dump_stack+0x1c/0x58 [ 106.920111][ T4075] should_fail+0x400/0x5cc [ 106.921300][ T4075] __should_failslab+0xbc/0x110 [ 106.922685][ T4075] should_failslab+0x10/0x28 [ 106.923984][ T4075] slab_pre_alloc_hook+0x64/0xe8 [ 106.925294][ T4075] __kmalloc_node+0xbc/0x5b8 [ 106.926588][ T4075] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 106.928032][ T4075] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 106.929601][ T4075] nbd_start_device+0x158/0xb34 [ 106.930934][ T4075] nbd_ioctl+0x420/0xc2c [ 106.932142][ T4075] blkdev_ioctl+0x3d8/0xbd0 [ 106.933362][ T4075] block_ioctl+0xa8/0x114 [ 106.934599][ T4075] __arm64_sys_ioctl+0x14c/0x1c8 [ 106.935971][ T4075] invoke_syscall+0x98/0x2b8 [ 106.937235][ T4075] el0_svc_common+0x138/0x258 [ 106.938472][ T4075] do_el0_svc+0x58/0x14c [ 106.939575][ T4075] el0_svc+0x7c/0x1f0 [ 106.940715][ T4075] el0t_64_sync_handler+0x84/0xe4 [ 106.942144][ T4075] el0t_64_sync+0x1a0/0x1a4 [ 106.943570][ T4075] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 106.948632][ T4076] block nbd0: shutting down sockets executing program [ 107.095811][ T4078] FAULT_INJECTION: forcing a failure. [ 107.095811][ T4078] name failslab, interval 1, probability 0, space 0, times 0 [ 107.099281][ T4078] CPU: 1 PID: 4078 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 107.101638][ T4078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 107.104367][ T4078] Call trace: [ 107.105251][ T4078] dump_backtrace+0x0/0x530 [ 107.106493][ T4078] show_stack+0x2c/0x3c [ 107.107697][ T4078] dump_stack_lvl+0x108/0x170 [ 107.109087][ T4078] dump_stack+0x1c/0x58 [ 107.110285][ T4078] should_fail+0x400/0x5cc [ 107.111545][ T4078] __should_failslab+0xbc/0x110 [ 107.112868][ T4078] should_failslab+0x10/0x28 [ 107.114102][ T4078] slab_pre_alloc_hook+0x64/0xe8 [ 107.115407][ T4078] __kmalloc_node+0xbc/0x5b8 [ 107.116718][ T4078] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 107.118256][ T4078] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 107.119796][ T4078] nbd_start_device+0x158/0xb34 [ 107.121079][ T4078] nbd_ioctl+0x420/0xc2c [ 107.122246][ T4078] blkdev_ioctl+0x3d8/0xbd0 [ 107.123478][ T4078] block_ioctl+0xa8/0x114 [ 107.124640][ T4078] __arm64_sys_ioctl+0x14c/0x1c8 [ 107.125956][ T4078] invoke_syscall+0x98/0x2b8 [ 107.127228][ T4078] el0_svc_common+0x138/0x258 [ 107.128523][ T4078] do_el0_svc+0x58/0x14c [ 107.129631][ T4078] el0_svc+0x7c/0x1f0 [ 107.130665][ T4078] el0t_64_sync_handler+0x84/0xe4 [ 107.132088][ T4078] el0t_64_sync+0x1a0/0x1a4 [ 107.133538][ T4078] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 107.138871][ T4079] block nbd0: shutting down sockets executing program [ 107.285764][ T4081] FAULT_INJECTION: forcing a failure. [ 107.285764][ T4081] name failslab, interval 1, probability 0, space 0, times 0 [ 107.289197][ T4081] CPU: 0 PID: 4081 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 107.291389][ T4081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 107.294147][ T4081] Call trace: [ 107.295007][ T4081] dump_backtrace+0x0/0x530 [ 107.296223][ T4081] show_stack+0x2c/0x3c [ 107.297367][ T4081] dump_stack_lvl+0x108/0x170 [ 107.298651][ T4081] dump_stack+0x1c/0x58 [ 107.299803][ T4081] should_fail+0x400/0x5cc [ 107.300985][ T4081] __should_failslab+0xbc/0x110 [ 107.302303][ T4081] should_failslab+0x10/0x28 [ 107.303540][ T4081] slab_pre_alloc_hook+0x64/0xe8 [ 107.304934][ T4081] __kmalloc_node+0xbc/0x5b8 [ 107.306182][ T4081] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 107.307664][ T4081] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 107.309155][ T4081] nbd_start_device+0x158/0xb34 [ 107.310498][ T4081] nbd_ioctl+0x420/0xc2c [ 107.311641][ T4081] blkdev_ioctl+0x3d8/0xbd0 [ 107.312921][ T4081] block_ioctl+0xa8/0x114 [ 107.314158][ T4081] __arm64_sys_ioctl+0x14c/0x1c8 [ 107.315466][ T4081] invoke_syscall+0x98/0x2b8 [ 107.316722][ T4081] el0_svc_common+0x138/0x258 [ 107.318023][ T4081] do_el0_svc+0x58/0x14c [ 107.319212][ T4081] el0_svc+0x7c/0x1f0 [ 107.320281][ T4081] el0t_64_sync_handler+0x84/0xe4 [ 107.321588][ T4081] el0t_64_sync+0x1a0/0x1a4 [ 107.322997][ T4081] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 107.327437][ T4082] block nbd0: shutting down sockets executing program [ 107.455800][ T4084] FAULT_INJECTION: forcing a failure. [ 107.455800][ T4084] name failslab, interval 1, probability 0, space 0, times 0 [ 107.459199][ T4084] CPU: 0 PID: 4084 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 107.461363][ T4084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 107.464091][ T4084] Call trace: [ 107.464992][ T4084] dump_backtrace+0x0/0x530 [ 107.466267][ T4084] show_stack+0x2c/0x3c [ 107.467439][ T4084] dump_stack_lvl+0x108/0x170 [ 107.468809][ T4084] dump_stack+0x1c/0x58 [ 107.469952][ T4084] should_fail+0x400/0x5cc [ 107.471060][ T4084] __should_failslab+0xbc/0x110 [ 107.472368][ T4084] should_failslab+0x10/0x28 [ 107.473623][ T4084] slab_pre_alloc_hook+0x64/0xe8 [ 107.475021][ T4084] __kmalloc_node+0xbc/0x5b8 [ 107.476310][ T4084] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 107.477760][ T4084] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 107.479257][ T4084] nbd_start_device+0x158/0xb34 [ 107.480519][ T4084] nbd_ioctl+0x420/0xc2c [ 107.481745][ T4084] blkdev_ioctl+0x3d8/0xbd0 [ 107.482976][ T4084] block_ioctl+0xa8/0x114 [ 107.484175][ T4084] __arm64_sys_ioctl+0x14c/0x1c8 [ 107.485552][ T4084] invoke_syscall+0x98/0x2b8 [ 107.486863][ T4084] el0_svc_common+0x138/0x258 [ 107.488144][ T4084] do_el0_svc+0x58/0x14c [ 107.489317][ T4084] el0_svc+0x7c/0x1f0 [ 107.490407][ T4084] el0t_64_sync_handler+0x84/0xe4 [ 107.491802][ T4084] el0t_64_sync+0x1a0/0x1a4 [ 107.494144][ T4084] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 107.498720][ T4085] block nbd0: shutting down sockets executing program [ 107.635687][ T4087] FAULT_INJECTION: forcing a failure. [ 107.635687][ T4087] name failslab, interval 1, probability 0, space 0, times 0 [ 107.638992][ T4087] CPU: 0 PID: 4087 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 107.641254][ T4087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 107.643929][ T4087] Call trace: [ 107.644822][ T4087] dump_backtrace+0x0/0x530 [ 107.646095][ T4087] show_stack+0x2c/0x3c [ 107.647229][ T4087] dump_stack_lvl+0x108/0x170 [ 107.648529][ T4087] dump_stack+0x1c/0x58 [ 107.649670][ T4087] should_fail+0x400/0x5cc [ 107.650876][ T4087] __should_failslab+0xbc/0x110 [ 107.652196][ T4087] should_failslab+0x10/0x28 [ 107.653420][ T4087] slab_pre_alloc_hook+0x64/0xe8 [ 107.654802][ T4087] __kmalloc_node+0xbc/0x5b8 [ 107.656021][ T4087] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 107.657464][ T4087] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 107.659033][ T4087] nbd_start_device+0x158/0xb34 [ 107.660458][ T4087] nbd_ioctl+0x420/0xc2c [ 107.661757][ T4087] blkdev_ioctl+0x3d8/0xbd0 [ 107.662985][ T4087] block_ioctl+0xa8/0x114 [ 107.664233][ T4087] __arm64_sys_ioctl+0x14c/0x1c8 [ 107.665594][ T4087] invoke_syscall+0x98/0x2b8 [ 107.666908][ T4087] el0_svc_common+0x138/0x258 [ 107.668186][ T4087] do_el0_svc+0x58/0x14c [ 107.669344][ T4087] el0_svc+0x7c/0x1f0 [ 107.670448][ T4087] el0t_64_sync_handler+0x84/0xe4 [ 107.671809][ T4087] el0t_64_sync+0x1a0/0x1a4 [ 107.673171][ T4087] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 107.677524][ T4088] block nbd0: shutting down sockets executing program [ 107.805804][ T4090] FAULT_INJECTION: forcing a failure. [ 107.805804][ T4090] name failslab, interval 1, probability 0, space 0, times 0 [ 107.809312][ T4090] CPU: 0 PID: 4090 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 107.811571][ T4090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 107.814281][ T4090] Call trace: [ 107.815191][ T4090] dump_backtrace+0x0/0x530 [ 107.816406][ T4090] show_stack+0x2c/0x3c [ 107.817569][ T4090] dump_stack_lvl+0x108/0x170 [ 107.818854][ T4090] dump_stack+0x1c/0x58 [ 107.819986][ T4090] should_fail+0x400/0x5cc [ 107.821174][ T4090] __should_failslab+0xbc/0x110 [ 107.822482][ T4090] should_failslab+0x10/0x28 [ 107.823694][ T4090] slab_pre_alloc_hook+0x64/0xe8 [ 107.825061][ T4090] __kmalloc_node+0xbc/0x5b8 [ 107.826343][ T4090] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 107.827898][ T4090] nbd_start_device+0x158/0xb34 [ 107.829271][ T4090] nbd_ioctl+0x420/0xc2c [ 107.830429][ T4090] blkdev_ioctl+0x3d8/0xbd0 [ 107.831691][ T4090] block_ioctl+0xa8/0x114 [ 107.832940][ T4090] __arm64_sys_ioctl+0x14c/0x1c8 [ 107.834308][ T4090] invoke_syscall+0x98/0x2b8 [ 107.835533][ T4090] el0_svc_common+0x138/0x258 [ 107.836801][ T4090] do_el0_svc+0x58/0x14c [ 107.838031][ T4090] el0_svc+0x7c/0x1f0 [ 107.839111][ T4090] el0t_64_sync_handler+0x84/0xe4 [ 107.840447][ T4090] el0t_64_sync+0x1a0/0x1a4 [ 107.845087][ T4091] block nbd0: shutting down sockets executing program [ 107.985705][ T4093] FAULT_INJECTION: forcing a failure. [ 107.985705][ T4093] name failslab, interval 1, probability 0, space 0, times 0 [ 107.989231][ T4093] CPU: 0 PID: 4093 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 107.991483][ T4093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 107.994228][ T4093] Call trace: [ 107.995083][ T4093] dump_backtrace+0x0/0x530 [ 107.996330][ T4093] show_stack+0x2c/0x3c [ 107.997463][ T4093] dump_stack_lvl+0x108/0x170 [ 107.998774][ T4093] dump_stack+0x1c/0x58 [ 107.999909][ T4093] should_fail+0x400/0x5cc [ 108.001129][ T4093] __should_failslab+0xbc/0x110 [ 108.002485][ T4093] should_failslab+0x10/0x28 [ 108.003691][ T4093] slab_pre_alloc_hook+0x64/0xe8 [ 108.005017][ T4093] __kmalloc_node+0xbc/0x5b8 [ 108.006284][ T4093] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 108.007745][ T4093] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 108.009336][ T4093] nbd_start_device+0x158/0xb34 [ 108.010688][ T4093] nbd_ioctl+0x420/0xc2c [ 108.011884][ T4093] blkdev_ioctl+0x3d8/0xbd0 [ 108.013126][ T4093] block_ioctl+0xa8/0x114 [ 108.014307][ T4093] __arm64_sys_ioctl+0x14c/0x1c8 [ 108.015643][ T4093] invoke_syscall+0x98/0x2b8 [ 108.016886][ T4093] el0_svc_common+0x138/0x258 [ 108.018174][ T4093] do_el0_svc+0x58/0x14c [ 108.019297][ T4093] el0_svc+0x7c/0x1f0 [ 108.020408][ T4093] el0t_64_sync_handler+0x84/0xe4 [ 108.021800][ T4093] el0t_64_sync+0x1a0/0x1a4 [ 108.023309][ T4093] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 108.028267][ T4094] block nbd0: shutting down sockets executing program [ 108.165784][ T4096] FAULT_INJECTION: forcing a failure. [ 108.165784][ T4096] name failslab, interval 1, probability 0, space 0, times 0 [ 108.169247][ T4096] CPU: 1 PID: 4096 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 108.171519][ T4096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 108.174345][ T4096] Call trace: [ 108.175398][ T4096] dump_backtrace+0x0/0x530 [ 108.176676][ T4096] show_stack+0x2c/0x3c [ 108.177828][ T4096] dump_stack_lvl+0x108/0x170 [ 108.179128][ T4096] dump_stack+0x1c/0x58 [ 108.180277][ T4096] should_fail+0x400/0x5cc [ 108.181497][ T4096] __should_failslab+0xbc/0x110 [ 108.182936][ T4096] should_failslab+0x10/0x28 [ 108.184198][ T4096] slab_pre_alloc_hook+0x64/0xe8 [ 108.185569][ T4096] __kmalloc_node+0xbc/0x5b8 [ 108.186841][ T4096] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 108.188259][ T4096] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 108.189994][ T4096] nbd_start_device+0x158/0xb34 [ 108.191317][ T4096] nbd_ioctl+0x420/0xc2c [ 108.192477][ T4096] blkdev_ioctl+0x3d8/0xbd0 [ 108.193696][ T4096] block_ioctl+0xa8/0x114 [ 108.194912][ T4096] __arm64_sys_ioctl+0x14c/0x1c8 [ 108.196435][ T4096] invoke_syscall+0x98/0x2b8 [ 108.197713][ T4096] el0_svc_common+0x138/0x258 [ 108.199080][ T4096] do_el0_svc+0x58/0x14c [ 108.200284][ T4096] el0_svc+0x7c/0x1f0 [ 108.201324][ T4096] el0t_64_sync_handler+0x84/0xe4 [ 108.202831][ T4096] el0t_64_sync+0x1a0/0x1a4 [ 108.204418][ T4096] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 108.209585][ T4097] block nbd0: shutting down sockets executing program [ 108.385664][ T4099] FAULT_INJECTION: forcing a failure. [ 108.385664][ T4099] name failslab, interval 1, probability 0, space 0, times 0 [ 108.389153][ T4099] CPU: 0 PID: 4099 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 108.391463][ T4099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 108.394307][ T4099] Call trace: [ 108.395120][ T4099] dump_backtrace+0x0/0x530 [ 108.396398][ T4099] show_stack+0x2c/0x3c [ 108.397609][ T4099] dump_stack_lvl+0x108/0x170 [ 108.398943][ T4099] dump_stack+0x1c/0x58 [ 108.400124][ T4099] should_fail+0x400/0x5cc [ 108.401346][ T4099] __should_failslab+0xbc/0x110 [ 108.402751][ T4099] should_failslab+0x10/0x28 [ 108.403982][ T4099] slab_pre_alloc_hook+0x64/0xe8 [ 108.405356][ T4099] __kmalloc_node+0xbc/0x5b8 [ 108.406634][ T4099] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 108.408158][ T4099] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 108.409741][ T4099] nbd_start_device+0x158/0xb34 [ 108.411108][ T4099] nbd_ioctl+0x420/0xc2c [ 108.412332][ T4099] blkdev_ioctl+0x3d8/0xbd0 [ 108.413602][ T4099] block_ioctl+0xa8/0x114 [ 108.414787][ T4099] __arm64_sys_ioctl+0x14c/0x1c8 [ 108.416245][ T4099] invoke_syscall+0x98/0x2b8 [ 108.417540][ T4099] el0_svc_common+0x138/0x258 [ 108.418815][ T4099] do_el0_svc+0x58/0x14c [ 108.420027][ T4099] el0_svc+0x7c/0x1f0 [ 108.421144][ T4099] el0t_64_sync_handler+0x84/0xe4 [ 108.422534][ T4099] el0t_64_sync+0x1a0/0x1a4 [ 108.425237][ T4099] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 108.429783][ T4100] block nbd0: shutting down sockets executing program [ 108.605690][ T4103] FAULT_INJECTION: forcing a failure. [ 108.605690][ T4103] name failslab, interval 1, probability 0, space 0, times 0 [ 108.609227][ T4103] CPU: 1 PID: 4103 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 108.611453][ T4103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 108.614263][ T4103] Call trace: [ 108.615162][ T4103] dump_backtrace+0x0/0x530 [ 108.616362][ T4103] show_stack+0x2c/0x3c [ 108.617472][ T4103] dump_stack_lvl+0x108/0x170 [ 108.618728][ T4103] dump_stack+0x1c/0x58 [ 108.619822][ T4103] should_fail+0x400/0x5cc [ 108.620974][ T4103] __should_failslab+0xbc/0x110 [ 108.622305][ T4103] should_failslab+0x10/0x28 [ 108.623567][ T4103] slab_pre_alloc_hook+0x64/0xe8 [ 108.624910][ T4103] __kmalloc_node+0xbc/0x5b8 [ 108.626146][ T4103] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 108.627559][ T4103] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 108.629284][ T4103] nbd_start_device+0x158/0xb34 [ 108.630626][ T4103] nbd_ioctl+0x420/0xc2c [ 108.631767][ T4103] blkdev_ioctl+0x3d8/0xbd0 [ 108.632988][ T4103] block_ioctl+0xa8/0x114 [ 108.634135][ T4103] __arm64_sys_ioctl+0x14c/0x1c8 [ 108.635497][ T4103] invoke_syscall+0x98/0x2b8 [ 108.636749][ T4103] el0_svc_common+0x138/0x258 [ 108.638022][ T4103] do_el0_svc+0x58/0x14c [ 108.639180][ T4103] el0_svc+0x7c/0x1f0 [ 108.640248][ T4103] el0t_64_sync_handler+0x84/0xe4 [ 108.641588][ T4103] el0t_64_sync+0x1a0/0x1a4 [ 108.643043][ T4103] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 108.647314][ T4104] block nbd0: shutting down sockets executing program [ 108.795723][ T4107] FAULT_INJECTION: forcing a failure. [ 108.795723][ T4107] name failslab, interval 1, probability 0, space 0, times 0 [ 108.799176][ T4107] CPU: 0 PID: 4107 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 108.801417][ T4107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 108.804124][ T4107] Call trace: [ 108.805078][ T4107] dump_backtrace+0x0/0x530 [ 108.806333][ T4107] show_stack+0x2c/0x3c [ 108.807501][ T4107] dump_stack_lvl+0x108/0x170 [ 108.808849][ T4107] dump_stack+0x1c/0x58 [ 108.810008][ T4107] should_fail+0x400/0x5cc [ 108.811228][ T4107] __should_failslab+0xbc/0x110 [ 108.812584][ T4107] should_failslab+0x10/0x28 [ 108.813808][ T4107] slab_pre_alloc_hook+0x64/0xe8 [ 108.815150][ T4107] __kmalloc_node+0xbc/0x5b8 [ 108.816471][ T4107] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 108.818016][ T4107] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 108.819615][ T4107] nbd_start_device+0x158/0xb34 [ 108.821010][ T4107] nbd_ioctl+0x420/0xc2c [ 108.822222][ T4107] blkdev_ioctl+0x3d8/0xbd0 [ 108.823455][ T4107] block_ioctl+0xa8/0x114 [ 108.824656][ T4107] __arm64_sys_ioctl+0x14c/0x1c8 [ 108.826051][ T4107] invoke_syscall+0x98/0x2b8 [ 108.827357][ T4107] el0_svc_common+0x138/0x258 [ 108.828608][ T4107] do_el0_svc+0x58/0x14c [ 108.829745][ T4107] el0_svc+0x7c/0x1f0 [ 108.830832][ T4107] el0t_64_sync_handler+0x84/0xe4 [ 108.832200][ T4107] el0t_64_sync+0x1a0/0x1a4 [ 108.833591][ T4107] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 108.838848][ T4108] block nbd0: shutting down sockets executing program [ 108.975768][ T4111] FAULT_INJECTION: forcing a failure. [ 108.975768][ T4111] name failslab, interval 1, probability 0, space 0, times 0 [ 108.979114][ T4111] CPU: 1 PID: 4111 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 108.981308][ T4111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 108.983897][ T4111] Call trace: [ 108.984797][ T4111] dump_backtrace+0x0/0x530 [ 108.985986][ T4111] show_stack+0x2c/0x3c [ 108.987077][ T4111] dump_stack_lvl+0x108/0x170 [ 108.988338][ T4111] dump_stack+0x1c/0x58 [ 108.989471][ T4111] should_fail+0x400/0x5cc [ 108.990632][ T4111] __should_failslab+0xbc/0x110 [ 108.991923][ T4111] should_failslab+0x10/0x28 [ 108.993102][ T4111] slab_pre_alloc_hook+0x64/0xe8 [ 108.994393][ T4111] __kmalloc_node+0xbc/0x5b8 [ 108.995573][ T4111] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 108.996956][ T4111] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 108.998512][ T4111] nbd_start_device+0x158/0xb34 [ 108.999773][ T4111] nbd_ioctl+0x420/0xc2c [ 109.000893][ T4111] blkdev_ioctl+0x3d8/0xbd0 [ 109.002110][ T4111] block_ioctl+0xa8/0x114 [ 109.003191][ T4111] __arm64_sys_ioctl+0x14c/0x1c8 [ 109.004446][ T4111] invoke_syscall+0x98/0x2b8 [ 109.005620][ T4111] el0_svc_common+0x138/0x258 [ 109.006875][ T4111] do_el0_svc+0x58/0x14c [ 109.007987][ T4111] el0_svc+0x7c/0x1f0 [ 109.009030][ T4111] el0t_64_sync_handler+0x84/0xe4 [ 109.010341][ T4111] el0t_64_sync+0x1a0/0x1a4 [ 109.011685][ T4111] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 109.016596][ T4112] block nbd0: shutting down sockets executing program [ 109.155818][ T4114] FAULT_INJECTION: forcing a failure. [ 109.155818][ T4114] name failslab, interval 1, probability 0, space 0, times 0 [ 109.159178][ T4114] CPU: 1 PID: 4114 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 109.161353][ T4114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 109.163934][ T4114] Call trace: [ 109.164775][ T4114] dump_backtrace+0x0/0x530 [ 109.165996][ T4114] show_stack+0x2c/0x3c [ 109.167081][ T4114] dump_stack_lvl+0x108/0x170 [ 109.168363][ T4114] dump_stack+0x1c/0x58 [ 109.169456][ T4114] should_fail+0x400/0x5cc [ 109.170608][ T4114] __should_failslab+0xbc/0x110 [ 109.171908][ T4114] should_failslab+0x10/0x28 [ 109.173128][ T4114] slab_pre_alloc_hook+0x64/0xe8 [ 109.174427][ T4114] __kmalloc_node+0xbc/0x5b8 [ 109.175619][ T4114] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 109.177079][ T4114] nbd_start_device+0x158/0xb34 [ 109.178395][ T4114] nbd_ioctl+0x420/0xc2c [ 109.179507][ T4114] blkdev_ioctl+0x3d8/0xbd0 [ 109.180724][ T4114] block_ioctl+0xa8/0x114 [ 109.181888][ T4114] __arm64_sys_ioctl+0x14c/0x1c8 [ 109.183164][ T4114] invoke_syscall+0x98/0x2b8 [ 109.184374][ T4114] el0_svc_common+0x138/0x258 [ 109.185575][ T4114] do_el0_svc+0x58/0x14c [ 109.186688][ T4114] el0_svc+0x7c/0x1f0 [ 109.187736][ T4114] el0t_64_sync_handler+0x84/0xe4 [ 109.188978][ T4114] el0t_64_sync+0x1a0/0x1a4 [ 109.193538][ T4115] block nbd0: shutting down sockets executing program [ 109.335866][ T4117] FAULT_INJECTION: forcing a failure. [ 109.335866][ T4117] name failslab, interval 1, probability 0, space 0, times 0 [ 109.339183][ T4117] CPU: 1 PID: 4117 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 109.341339][ T4117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 109.343998][ T4117] Call trace: [ 109.344887][ T4117] dump_backtrace+0x0/0x530 [ 109.346059][ T4117] show_stack+0x2c/0x3c [ 109.347173][ T4117] dump_stack_lvl+0x108/0x170 [ 109.348415][ T4117] dump_stack+0x1c/0x58 [ 109.349491][ T4117] should_fail+0x400/0x5cc [ 109.350673][ T4117] __should_failslab+0xbc/0x110 [ 109.352039][ T4117] should_failslab+0x10/0x28 [ 109.353292][ T4117] slab_pre_alloc_hook+0x64/0xe8 [ 109.354566][ T4117] __kmalloc_node+0xbc/0x5b8 [ 109.355788][ T4117] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 109.357287][ T4117] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 109.358783][ T4117] nbd_start_device+0x158/0xb34 [ 109.360075][ T4117] nbd_ioctl+0x420/0xc2c [ 109.361151][ T4117] blkdev_ioctl+0x3d8/0xbd0 [ 109.362404][ T4117] block_ioctl+0xa8/0x114 [ 109.363577][ T4117] __arm64_sys_ioctl+0x14c/0x1c8 [ 109.364845][ T4117] invoke_syscall+0x98/0x2b8 [ 109.366074][ T4117] el0_svc_common+0x138/0x258 [ 109.367285][ T4117] do_el0_svc+0x58/0x14c [ 109.368415][ T4117] el0_svc+0x7c/0x1f0 [ 109.369518][ T4117] el0t_64_sync_handler+0x84/0xe4 [ 109.370872][ T4117] el0t_64_sync+0x1a0/0x1a4 [ 109.372204][ T4117] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 109.377017][ T4118] block nbd0: shutting down sockets executing program [ 109.515720][ T4120] FAULT_INJECTION: forcing a failure. [ 109.515720][ T4120] name failslab, interval 1, probability 0, space 0, times 0 [ 109.518902][ T4120] CPU: 0 PID: 4120 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 109.521125][ T4120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 109.523742][ T4120] Call trace: [ 109.524606][ T4120] dump_backtrace+0x0/0x530 [ 109.525802][ T4120] show_stack+0x2c/0x3c [ 109.526886][ T4120] dump_stack_lvl+0x108/0x170 [ 109.528109][ T4120] dump_stack+0x1c/0x58 [ 109.529226][ T4120] should_fail+0x400/0x5cc [ 109.530394][ T4120] __should_failslab+0xbc/0x110 [ 109.531697][ T4120] should_failslab+0x10/0x28 [ 109.532944][ T4120] slab_pre_alloc_hook+0x64/0xe8 [ 109.534279][ T4120] __kmalloc_node+0xbc/0x5b8 [ 109.535538][ T4120] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 109.536946][ T4120] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 109.538461][ T4120] nbd_start_device+0x158/0xb34 [ 109.539763][ T4120] nbd_ioctl+0x420/0xc2c [ 109.540892][ T4120] blkdev_ioctl+0x3d8/0xbd0 [ 109.542033][ T4120] block_ioctl+0xa8/0x114 [ 109.543205][ T4120] __arm64_sys_ioctl+0x14c/0x1c8 [ 109.544496][ T4120] invoke_syscall+0x98/0x2b8 [ 109.545767][ T4120] el0_svc_common+0x138/0x258 [ 109.547036][ T4120] do_el0_svc+0x58/0x14c [ 109.548150][ T4120] el0_svc+0x7c/0x1f0 [ 109.549226][ T4120] el0t_64_sync_handler+0x84/0xe4 [ 109.550542][ T4120] el0t_64_sync+0x1a0/0x1a4 [ 109.551976][ T4120] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 109.556379][ T4121] block nbd0: shutting down sockets executing program [ 109.695821][ T4124] FAULT_INJECTION: forcing a failure. [ 109.695821][ T4124] name failslab, interval 1, probability 0, space 0, times 0 [ 109.699214][ T4124] CPU: 1 PID: 4124 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 109.701420][ T4124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 109.704043][ T4124] Call trace: [ 109.704936][ T4124] dump_backtrace+0x0/0x530 [ 109.706145][ T4124] show_stack+0x2c/0x3c [ 109.707252][ T4124] dump_stack_lvl+0x108/0x170 [ 109.708463][ T4124] dump_stack+0x1c/0x58 [ 109.709601][ T4124] should_fail+0x400/0x5cc [ 109.710790][ T4124] __should_failslab+0xbc/0x110 [ 109.712080][ T4124] should_failslab+0x10/0x28 [ 109.713237][ T4124] slab_pre_alloc_hook+0x64/0xe8 [ 109.714556][ T4124] __kmalloc_node+0xbc/0x5b8 [ 109.715747][ T4124] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 109.717176][ T4124] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 109.718684][ T4124] nbd_start_device+0x158/0xb34 [ 109.720021][ T4124] nbd_ioctl+0x420/0xc2c [ 109.721213][ T4124] blkdev_ioctl+0x3d8/0xbd0 [ 109.722402][ T4124] block_ioctl+0xa8/0x114 [ 109.723594][ T4124] __arm64_sys_ioctl+0x14c/0x1c8 [ 109.724970][ T4124] invoke_syscall+0x98/0x2b8 [ 109.726184][ T4124] el0_svc_common+0x138/0x258 [ 109.727455][ T4124] do_el0_svc+0x58/0x14c [ 109.728598][ T4124] el0_svc+0x7c/0x1f0 [ 109.729642][ T4124] el0t_64_sync_handler+0x84/0xe4 [ 109.730968][ T4124] el0t_64_sync+0x1a0/0x1a4 [ 109.732353][ T4124] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 109.736596][ T4123] block nbd0: shutting down sockets executing program [ 109.855639][ T4126] FAULT_INJECTION: forcing a failure. [ 109.855639][ T4126] name failslab, interval 1, probability 0, space 0, times 0 [ 109.859122][ T4126] CPU: 0 PID: 4126 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 109.861368][ T4126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 109.864078][ T4126] Call trace: [ 109.864927][ T4126] dump_backtrace+0x0/0x530 [ 109.866132][ T4126] show_stack+0x2c/0x3c [ 109.867258][ T4126] dump_stack_lvl+0x108/0x170 [ 109.868498][ T4126] dump_stack+0x1c/0x58 [ 109.869604][ T4126] should_fail+0x400/0x5cc [ 109.870781][ T4126] __should_failslab+0xbc/0x110 [ 109.872074][ T4126] should_failslab+0x10/0x28 [ 109.873299][ T4126] slab_pre_alloc_hook+0x64/0xe8 [ 109.874537][ T4126] __kmalloc_node+0xbc/0x5b8 [ 109.875759][ T4126] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 109.877252][ T4126] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 109.878741][ T4126] nbd_start_device+0x158/0xb34 [ 109.879999][ T4126] nbd_ioctl+0x420/0xc2c [ 109.881102][ T4126] blkdev_ioctl+0x3d8/0xbd0 [ 109.882302][ T4126] block_ioctl+0xa8/0x114 [ 109.883426][ T4126] __arm64_sys_ioctl+0x14c/0x1c8 [ 109.884727][ T4126] invoke_syscall+0x98/0x2b8 [ 109.885917][ T4126] el0_svc_common+0x138/0x258 [ 109.887177][ T4126] do_el0_svc+0x58/0x14c [ 109.888288][ T4126] el0_svc+0x7c/0x1f0 [ 109.889357][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 109.890788][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 109.892223][ T4126] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 109.896746][ T4127] block nbd0: shutting down sockets executing program [ 110.035750][ T4129] FAULT_INJECTION: forcing a failure. [ 110.035750][ T4129] name failslab, interval 1, probability 0, space 0, times 0 [ 110.039187][ T4129] CPU: 1 PID: 4129 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 110.041373][ T4129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 110.044052][ T4129] Call trace: [ 110.044892][ T4129] dump_backtrace+0x0/0x530 [ 110.046123][ T4129] show_stack+0x2c/0x3c [ 110.047255][ T4129] dump_stack_lvl+0x108/0x170 [ 110.048447][ T4129] dump_stack+0x1c/0x58 [ 110.049587][ T4129] should_fail+0x400/0x5cc [ 110.050802][ T4129] __should_failslab+0xbc/0x110 [ 110.052110][ T4129] should_failslab+0x10/0x28 [ 110.053366][ T4129] slab_pre_alloc_hook+0x64/0xe8 [ 110.054686][ T4129] __kmalloc_node+0xbc/0x5b8 [ 110.055947][ T4129] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 110.057371][ T4129] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 110.058967][ T4129] nbd_start_device+0x158/0xb34 [ 110.060329][ T4129] nbd_ioctl+0x420/0xc2c [ 110.061446][ T4129] blkdev_ioctl+0x3d8/0xbd0 [ 110.062636][ T4129] block_ioctl+0xa8/0x114 [ 110.063765][ T4129] __arm64_sys_ioctl+0x14c/0x1c8 [ 110.065053][ T4129] invoke_syscall+0x98/0x2b8 [ 110.066271][ T4129] el0_svc_common+0x138/0x258 [ 110.067513][ T4129] do_el0_svc+0x58/0x14c [ 110.068642][ T4129] el0_svc+0x7c/0x1f0 [ 110.069659][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 110.071017][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 110.072453][ T4129] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 110.076787][ T4130] block nbd0: shutting down sockets executing program [ 110.205659][ T4132] FAULT_INJECTION: forcing a failure. [ 110.205659][ T4132] name failslab, interval 1, probability 0, space 0, times 0 [ 110.208902][ T4132] CPU: 1 PID: 4132 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 110.211211][ T4132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 110.213843][ T4132] Call trace: [ 110.214646][ T4132] dump_backtrace+0x0/0x530 [ 110.215868][ T4132] show_stack+0x2c/0x3c [ 110.216978][ T4132] dump_stack_lvl+0x108/0x170 [ 110.218209][ T4132] dump_stack+0x1c/0x58 [ 110.219329][ T4132] should_fail+0x400/0x5cc [ 110.220499][ T4132] __should_failslab+0xbc/0x110 [ 110.221824][ T4132] should_failslab+0x10/0x28 [ 110.223000][ T4132] slab_pre_alloc_hook+0x64/0xe8 [ 110.224315][ T4132] __kmalloc_node+0xbc/0x5b8 [ 110.225556][ T4132] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 110.227010][ T4132] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 110.228622][ T4132] nbd_start_device+0x158/0xb34 [ 110.229898][ T4132] nbd_ioctl+0x420/0xc2c [ 110.230990][ T4132] blkdev_ioctl+0x3d8/0xbd0 [ 110.232159][ T4132] block_ioctl+0xa8/0x114 [ 110.233348][ T4132] __arm64_sys_ioctl+0x14c/0x1c8 [ 110.234660][ T4132] invoke_syscall+0x98/0x2b8 [ 110.235902][ T4132] el0_svc_common+0x138/0x258 [ 110.237153][ T4132] do_el0_svc+0x58/0x14c [ 110.238331][ T4132] el0_svc+0x7c/0x1f0 [ 110.239388][ T4132] el0t_64_sync_handler+0x84/0xe4 [ 110.240763][ T4132] el0t_64_sync+0x1a0/0x1a4 [ 110.242122][ T4132] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 110.246594][ T4133] block nbd0: shutting down sockets executing program [ 110.385753][ T4135] FAULT_INJECTION: forcing a failure. [ 110.385753][ T4135] name failslab, interval 1, probability 0, space 0, times 0 [ 110.389072][ T4135] CPU: 0 PID: 4135 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 110.391298][ T4135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 110.393979][ T4135] Call trace: [ 110.394842][ T4135] dump_backtrace+0x0/0x530 [ 110.396077][ T4135] show_stack+0x2c/0x3c [ 110.397184][ T4135] dump_stack_lvl+0x108/0x170 [ 110.398454][ T4135] dump_stack+0x1c/0x58 [ 110.399577][ T4135] should_fail+0x400/0x5cc [ 110.400792][ T4135] __should_failslab+0xbc/0x110 [ 110.402046][ T4135] should_failslab+0x10/0x28 [ 110.403299][ T4135] slab_pre_alloc_hook+0x64/0xe8 [ 110.404621][ T4135] __kmalloc_node+0xbc/0x5b8 [ 110.405830][ T4135] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 110.407256][ T4135] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 110.408776][ T4135] nbd_start_device+0x158/0xb34 [ 110.410061][ T4135] nbd_ioctl+0x420/0xc2c [ 110.411200][ T4135] blkdev_ioctl+0x3d8/0xbd0 [ 110.412412][ T4135] block_ioctl+0xa8/0x114 [ 110.413728][ T4135] __arm64_sys_ioctl+0x14c/0x1c8 [ 110.415109][ T4135] invoke_syscall+0x98/0x2b8 [ 110.416312][ T4135] el0_svc_common+0x138/0x258 [ 110.417582][ T4135] do_el0_svc+0x58/0x14c [ 110.418776][ T4135] el0_svc+0x7c/0x1f0 [ 110.419868][ T4135] el0t_64_sync_handler+0x84/0xe4 [ 110.421182][ T4135] el0t_64_sync+0x1a0/0x1a4 [ 110.422537][ T4135] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 110.427022][ T4136] block nbd0: shutting down sockets executing program [ 110.555680][ T4138] FAULT_INJECTION: forcing a failure. [ 110.555680][ T4138] name failslab, interval 1, probability 0, space 0, times 0 [ 110.559025][ T4138] CPU: 0 PID: 4138 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 110.561224][ T4138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 110.563893][ T4138] Call trace: [ 110.564783][ T4138] dump_backtrace+0x0/0x530 [ 110.565997][ T4138] show_stack+0x2c/0x3c [ 110.567114][ T4138] dump_stack_lvl+0x108/0x170 [ 110.568331][ T4138] dump_stack+0x1c/0x58 [ 110.569425][ T4138] should_fail+0x400/0x5cc [ 110.570619][ T4138] __should_failslab+0xbc/0x110 [ 110.571945][ T4138] should_failslab+0x10/0x28 [ 110.573168][ T4138] slab_pre_alloc_hook+0x64/0xe8 [ 110.574444][ T4138] __kmalloc_node+0xbc/0x5b8 [ 110.575621][ T4138] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 110.577109][ T4138] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 110.578629][ T4138] nbd_start_device+0x158/0xb34 [ 110.579927][ T4138] nbd_ioctl+0x420/0xc2c [ 110.581015][ T4138] blkdev_ioctl+0x3d8/0xbd0 [ 110.582160][ T4138] block_ioctl+0xa8/0x114 [ 110.583312][ T4138] __arm64_sys_ioctl+0x14c/0x1c8 [ 110.584630][ T4138] invoke_syscall+0x98/0x2b8 [ 110.585852][ T4138] el0_svc_common+0x138/0x258 [ 110.587099][ T4138] do_el0_svc+0x58/0x14c [ 110.588174][ T4138] el0_svc+0x7c/0x1f0 [ 110.589226][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 110.590537][ T4138] el0t_64_sync+0x1a0/0x1a4 [ 110.592073][ T4138] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 110.596495][ T4139] block nbd0: shutting down sockets executing program [ 110.725697][ T4141] FAULT_INJECTION: forcing a failure. [ 110.725697][ T4141] name failslab, interval 1, probability 0, space 0, times 0 [ 110.729012][ T4141] CPU: 0 PID: 4141 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 110.731180][ T4141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 110.733899][ T4141] Call trace: [ 110.734788][ T4141] dump_backtrace+0x0/0x530 [ 110.736066][ T4141] show_stack+0x2c/0x3c [ 110.737230][ T4141] dump_stack_lvl+0x108/0x170 [ 110.738444][ T4141] dump_stack+0x1c/0x58 [ 110.739504][ T4141] should_fail+0x400/0x5cc [ 110.740685][ T4141] __should_failslab+0xbc/0x110 [ 110.741932][ T4141] should_failslab+0x10/0x28 [ 110.743155][ T4141] slab_pre_alloc_hook+0x64/0xe8 [ 110.744414][ T4141] __kmalloc_node+0xbc/0x5b8 [ 110.745674][ T4141] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 110.747051][ T4141] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 110.748538][ T4141] nbd_start_device+0x158/0xb34 [ 110.749863][ T4141] nbd_ioctl+0x420/0xc2c [ 110.751005][ T4141] blkdev_ioctl+0x3d8/0xbd0 [ 110.752157][ T4141] block_ioctl+0xa8/0x114 [ 110.753286][ T4141] __arm64_sys_ioctl+0x14c/0x1c8 [ 110.754619][ T4141] invoke_syscall+0x98/0x2b8 [ 110.755824][ T4141] el0_svc_common+0x138/0x258 [ 110.757057][ T4141] do_el0_svc+0x58/0x14c [ 110.758162][ T4141] el0_svc+0x7c/0x1f0 [ 110.759237][ T4141] el0t_64_sync_handler+0x84/0xe4 [ 110.760540][ T4141] el0t_64_sync+0x1a0/0x1a4 [ 110.761979][ T4141] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 110.766348][ T4142] block nbd0: shutting down sockets executing program [ 110.895626][ T4144] FAULT_INJECTION: forcing a failure. [ 110.895626][ T4144] name failslab, interval 1, probability 0, space 0, times 0 [ 110.899195][ T4144] CPU: 0 PID: 4144 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 110.901401][ T4144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 110.904021][ T4144] Call trace: [ 110.904875][ T4144] dump_backtrace+0x0/0x530 [ 110.906082][ T4144] show_stack+0x2c/0x3c [ 110.907183][ T4144] dump_stack_lvl+0x108/0x170 [ 110.908410][ T4144] dump_stack+0x1c/0x58 [ 110.909480][ T4144] should_fail+0x400/0x5cc [ 110.910627][ T4144] __should_failslab+0xbc/0x110 [ 110.911952][ T4144] should_failslab+0x10/0x28 [ 110.913218][ T4144] slab_pre_alloc_hook+0x64/0xe8 [ 110.914561][ T4144] __kmalloc_node+0xbc/0x5b8 [ 110.915829][ T4144] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 110.917258][ T4144] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 110.918804][ T4144] nbd_start_device+0x158/0xb34 [ 110.920057][ T4144] nbd_ioctl+0x420/0xc2c [ 110.921162][ T4144] blkdev_ioctl+0x3d8/0xbd0 [ 110.922344][ T4144] block_ioctl+0xa8/0x114 [ 110.923479][ T4144] __arm64_sys_ioctl+0x14c/0x1c8 [ 110.924829][ T4144] invoke_syscall+0x98/0x2b8 [ 110.926029][ T4144] el0_svc_common+0x138/0x258 [ 110.927260][ T4144] do_el0_svc+0x58/0x14c [ 110.928368][ T4144] el0_svc+0x7c/0x1f0 [ 110.929477][ T4144] el0t_64_sync_handler+0x84/0xe4 [ 110.930823][ T4144] el0t_64_sync+0x1a0/0x1a4 [ 110.932150][ T4144] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 110.937055][ T4145] block nbd0: shutting down sockets executing program [ 111.065803][ T4147] FAULT_INJECTION: forcing a failure. [ 111.065803][ T4147] name failslab, interval 1, probability 0, space 0, times 0 [ 111.069145][ T4147] CPU: 0 PID: 4147 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 111.071323][ T4147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 111.074052][ T4147] Call trace: [ 111.074923][ T4147] dump_backtrace+0x0/0x530 [ 111.076072][ T4147] show_stack+0x2c/0x3c [ 111.077193][ T4147] dump_stack_lvl+0x108/0x170 [ 111.078419][ T4147] dump_stack+0x1c/0x58 [ 111.079512][ T4147] should_fail+0x400/0x5cc [ 111.080649][ T4147] __should_failslab+0xbc/0x110 [ 111.081976][ T4147] should_failslab+0x10/0x28 [ 111.083182][ T4147] slab_pre_alloc_hook+0x64/0xe8 [ 111.084497][ T4147] __kmalloc_node+0xbc/0x5b8 [ 111.085687][ T4147] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 111.087129][ T4147] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 111.088617][ T4147] nbd_start_device+0x158/0xb34 [ 111.089877][ T4147] nbd_ioctl+0x420/0xc2c [ 111.090988][ T4147] blkdev_ioctl+0x3d8/0xbd0 [ 111.092136][ T4147] block_ioctl+0xa8/0x114 [ 111.093242][ T4147] __arm64_sys_ioctl+0x14c/0x1c8 [ 111.094542][ T4147] invoke_syscall+0x98/0x2b8 [ 111.095754][ T4147] el0_svc_common+0x138/0x258 [ 111.096932][ T4147] do_el0_svc+0x58/0x14c [ 111.097992][ T4147] el0_svc+0x7c/0x1f0 [ 111.099015][ T4147] el0t_64_sync_handler+0x84/0xe4 [ 111.100307][ T4147] el0t_64_sync+0x1a0/0x1a4 [ 111.101624][ T4147] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 111.106590][ T4148] block nbd0: shutting down sockets executing program [ 111.265874][ T4150] FAULT_INJECTION: forcing a failure. [ 111.265874][ T4150] name failslab, interval 1, probability 0, space 0, times 0 [ 111.269148][ T4150] CPU: 1 PID: 4150 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 111.271306][ T4150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 111.273987][ T4150] Call trace: [ 111.274854][ T4150] dump_backtrace+0x0/0x530 [ 111.276040][ T4150] show_stack+0x2c/0x3c [ 111.277140][ T4150] dump_stack_lvl+0x108/0x170 [ 111.278366][ T4150] dump_stack+0x1c/0x58 [ 111.279454][ T4150] should_fail+0x400/0x5cc [ 111.280658][ T4150] __should_failslab+0xbc/0x110 [ 111.281970][ T4150] should_failslab+0x10/0x28 [ 111.283228][ T4150] slab_pre_alloc_hook+0x64/0xe8 [ 111.284531][ T4150] __kmalloc_node+0xbc/0x5b8 [ 111.285798][ T4150] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 111.287266][ T4150] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 111.288952][ T4150] nbd_start_device+0x158/0xb34 [ 111.290333][ T4150] nbd_ioctl+0x420/0xc2c [ 111.291531][ T4150] blkdev_ioctl+0x3d8/0xbd0 [ 111.292782][ T4150] block_ioctl+0xa8/0x114 [ 111.293975][ T4150] __arm64_sys_ioctl+0x14c/0x1c8 [ 111.295315][ T4150] invoke_syscall+0x98/0x2b8 [ 111.296552][ T4150] el0_svc_common+0x138/0x258 [ 111.297832][ T4150] do_el0_svc+0x58/0x14c [ 111.299010][ T4150] el0_svc+0x7c/0x1f0 [ 111.300108][ T4150] el0t_64_sync_handler+0x84/0xe4 [ 111.301500][ T4150] el0t_64_sync+0x1a0/0x1a4 [ 111.302952][ T4150] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 111.307277][ T4151] block nbd0: shutting down sockets executing program [ 111.445677][ T4153] FAULT_INJECTION: forcing a failure. [ 111.445677][ T4153] name failslab, interval 1, probability 0, space 0, times 0 [ 111.449086][ T4153] CPU: 0 PID: 4153 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 111.451279][ T4153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 111.453940][ T4153] Call trace: [ 111.454768][ T4153] dump_backtrace+0x0/0x530 [ 111.456011][ T4153] show_stack+0x2c/0x3c [ 111.457094][ T4153] dump_stack_lvl+0x108/0x170 [ 111.458369][ T4153] dump_stack+0x1c/0x58 [ 111.459418][ T4153] should_fail+0x400/0x5cc [ 111.460575][ T4153] __should_failslab+0xbc/0x110 [ 111.461882][ T4153] should_failslab+0x10/0x28 [ 111.463088][ T4153] slab_pre_alloc_hook+0x64/0xe8 [ 111.464423][ T4153] __kmalloc_node+0xbc/0x5b8 [ 111.465625][ T4153] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 111.467107][ T4153] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 111.468604][ T4153] nbd_start_device+0x158/0xb34 [ 111.469913][ T4153] nbd_ioctl+0x420/0xc2c [ 111.471054][ T4153] blkdev_ioctl+0x3d8/0xbd0 [ 111.472236][ T4153] block_ioctl+0xa8/0x114 [ 111.473403][ T4153] __arm64_sys_ioctl+0x14c/0x1c8 [ 111.474757][ T4153] invoke_syscall+0x98/0x2b8 [ 111.475947][ T4153] el0_svc_common+0x138/0x258 [ 111.477163][ T4153] do_el0_svc+0x58/0x14c [ 111.478287][ T4153] el0_svc+0x7c/0x1f0 [ 111.479371][ T4153] el0t_64_sync_handler+0x84/0xe4 [ 111.480721][ T4153] el0t_64_sync+0x1a0/0x1a4 [ 111.482100][ T4153] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 111.486878][ T4154] block nbd0: shutting down sockets executing program [ 111.635980][ T4157] FAULT_INJECTION: forcing a failure. [ 111.635980][ T4157] name failslab, interval 1, probability 0, space 0, times 0 [ 111.639475][ T4157] CPU: 0 PID: 4157 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 111.641746][ T4157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 111.644367][ T4157] Call trace: [ 111.645244][ T4157] dump_backtrace+0x0/0x530 [ 111.646434][ T4157] show_stack+0x2c/0x3c [ 111.647495][ T4157] dump_stack_lvl+0x108/0x170 [ 111.648833][ T4157] dump_stack+0x1c/0x58 [ 111.649963][ T4157] should_fail+0x400/0x5cc [ 111.651138][ T4157] __should_failslab+0xbc/0x110 [ 111.652420][ T4157] should_failslab+0x10/0x28 [ 111.653620][ T4157] slab_pre_alloc_hook+0x64/0xe8 [ 111.654951][ T4157] __kmalloc_node+0xbc/0x5b8 [ 111.656166][ T4157] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 111.657591][ T4157] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 111.659113][ T4157] nbd_start_device+0x158/0xb34 [ 111.660394][ T4157] nbd_ioctl+0x420/0xc2c [ 111.661526][ T4157] blkdev_ioctl+0x3d8/0xbd0 [ 111.662719][ T4157] block_ioctl+0xa8/0x114 [ 111.663848][ T4157] __arm64_sys_ioctl+0x14c/0x1c8 [ 111.665109][ T4157] invoke_syscall+0x98/0x2b8 [ 111.666304][ T4157] el0_svc_common+0x138/0x258 [ 111.667558][ T4157] do_el0_svc+0x58/0x14c [ 111.668661][ T4157] el0_svc+0x7c/0x1f0 [ 111.669773][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 111.671151][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 111.672531][ T4157] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 111.676814][ T4156] block nbd0: shutting down sockets executing program [ 111.825741][ T4159] FAULT_INJECTION: forcing a failure. [ 111.825741][ T4159] name failslab, interval 1, probability 0, space 0, times 0 [ 111.829088][ T4159] CPU: 1 PID: 4159 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 111.831304][ T4159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 111.833956][ T4159] Call trace: [ 111.834827][ T4159] dump_backtrace+0x0/0x530 [ 111.835952][ T4159] show_stack+0x2c/0x3c [ 111.837013][ T4159] dump_stack_lvl+0x108/0x170 [ 111.838212][ T4159] dump_stack+0x1c/0x58 [ 111.839296][ T4159] should_fail+0x400/0x5cc [ 111.840403][ T4159] __should_failslab+0xbc/0x110 [ 111.841677][ T4159] should_failslab+0x10/0x28 [ 111.842918][ T4159] slab_pre_alloc_hook+0x64/0xe8 [ 111.844198][ T4159] __kmalloc_node+0xbc/0x5b8 [ 111.845455][ T4159] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 111.846899][ T4159] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 111.848453][ T4159] nbd_start_device+0x158/0xb34 [ 111.849768][ T4159] nbd_ioctl+0x420/0xc2c [ 111.850884][ T4159] blkdev_ioctl+0x3d8/0xbd0 [ 111.852084][ T4159] block_ioctl+0xa8/0x114 [ 111.853230][ T4159] __arm64_sys_ioctl+0x14c/0x1c8 [ 111.854542][ T4159] invoke_syscall+0x98/0x2b8 [ 111.855769][ T4159] el0_svc_common+0x138/0x258 [ 111.856963][ T4159] do_el0_svc+0x58/0x14c [ 111.858067][ T4159] el0_svc+0x7c/0x1f0 [ 111.859131][ T4159] el0t_64_sync_handler+0x84/0xe4 [ 111.860392][ T4159] el0t_64_sync+0x1a0/0x1a4 [ 111.861820][ T4159] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 111.866202][ T4160] block nbd0: shutting down sockets executing program [ 112.016058][ T4164] FAULT_INJECTION: forcing a failure. [ 112.016058][ T4164] name failslab, interval 1, probability 0, space 0, times 0 [ 112.019480][ T4164] CPU: 0 PID: 4164 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 112.021749][ T4164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 112.024471][ T4164] Call trace: [ 112.025335][ T4164] dump_backtrace+0x0/0x530 [ 112.026584][ T4164] show_stack+0x2c/0x3c [ 112.027763][ T4164] dump_stack_lvl+0x108/0x170 [ 112.029054][ T4164] dump_stack+0x1c/0x58 [ 112.030147][ T4164] should_fail+0x400/0x5cc [ 112.031290][ T4164] __should_failslab+0xbc/0x110 [ 112.032643][ T4164] should_failslab+0x10/0x28 [ 112.033917][ T4164] slab_pre_alloc_hook+0x64/0xe8 [ 112.035231][ T4164] __kmalloc_node+0xbc/0x5b8 [ 112.036481][ T4164] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 112.037889][ T4164] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 112.039416][ T4164] nbd_start_device+0x158/0xb34 [ 112.040672][ T4164] nbd_ioctl+0x420/0xc2c [ 112.041783][ T4164] blkdev_ioctl+0x3d8/0xbd0 [ 112.042994][ T4164] block_ioctl+0xa8/0x114 [ 112.044126][ T4164] __arm64_sys_ioctl+0x14c/0x1c8 [ 112.045436][ T4164] invoke_syscall+0x98/0x2b8 [ 112.046639][ T4164] el0_svc_common+0x138/0x258 [ 112.047885][ T4164] do_el0_svc+0x58/0x14c [ 112.049006][ T4164] el0_svc+0x7c/0x1f0 [ 112.050062][ T4164] el0t_64_sync_handler+0x84/0xe4 [ 112.051399][ T4164] el0t_64_sync+0x1a0/0x1a4 [ 112.052688][ T4164] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 112.056941][ T4163] block nbd0: shutting down sockets executing program [ 112.225744][ T4167] FAULT_INJECTION: forcing a failure. [ 112.225744][ T4167] name failslab, interval 1, probability 0, space 0, times 0 [ 112.229071][ T4167] CPU: 1 PID: 4167 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 112.231212][ T4167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 112.233830][ T4167] Call trace: [ 112.234645][ T4167] dump_backtrace+0x0/0x530 [ 112.235781][ T4167] show_stack+0x2c/0x3c [ 112.236905][ T4167] dump_stack_lvl+0x108/0x170 [ 112.238198][ T4167] dump_stack+0x1c/0x58 [ 112.239266][ T4167] should_fail+0x400/0x5cc [ 112.240443][ T4167] __should_failslab+0xbc/0x110 [ 112.241735][ T4167] should_failslab+0x10/0x28 [ 112.242904][ T4167] slab_pre_alloc_hook+0x64/0xe8 [ 112.244222][ T4167] __kmalloc_node+0xbc/0x5b8 [ 112.245402][ T4167] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 112.246821][ T4167] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 112.248335][ T4167] nbd_start_device+0x158/0xb34 [ 112.249594][ T4167] nbd_ioctl+0x420/0xc2c [ 112.250666][ T4167] blkdev_ioctl+0x3d8/0xbd0 [ 112.251877][ T4167] block_ioctl+0xa8/0x114 [ 112.253001][ T4167] __arm64_sys_ioctl+0x14c/0x1c8 [ 112.254314][ T4167] invoke_syscall+0x98/0x2b8 [ 112.255563][ T4167] el0_svc_common+0x138/0x258 [ 112.256791][ T4167] do_el0_svc+0x58/0x14c [ 112.257895][ T4167] el0_svc+0x7c/0x1f0 [ 112.258984][ T4167] el0t_64_sync_handler+0x84/0xe4 [ 112.260302][ T4167] el0t_64_sync+0x1a0/0x1a4 [ 112.262231][ T4167] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 112.267141][ T4166] block nbd0: shutting down sockets executing program [ 112.375676][ T4170] FAULT_INJECTION: forcing a failure. [ 112.375676][ T4170] name failslab, interval 1, probability 0, space 0, times 0 [ 112.379086][ T4170] CPU: 0 PID: 4170 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 112.381285][ T4170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 112.383965][ T4170] Call trace: [ 112.384864][ T4170] dump_backtrace+0x0/0x530 [ 112.386073][ T4170] show_stack+0x2c/0x3c [ 112.387175][ T4170] dump_stack_lvl+0x108/0x170 [ 112.388438][ T4170] dump_stack+0x1c/0x58 [ 112.389614][ T4170] should_fail+0x400/0x5cc [ 112.390778][ T4170] __should_failslab+0xbc/0x110 [ 112.392077][ T4170] should_failslab+0x10/0x28 [ 112.393290][ T4170] slab_pre_alloc_hook+0x64/0xe8 [ 112.394638][ T4170] __kmalloc_node+0xbc/0x5b8 [ 112.395865][ T4170] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 112.397324][ T4170] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 112.398875][ T4170] nbd_start_device+0x158/0xb34 [ 112.400133][ T4170] nbd_ioctl+0x420/0xc2c [ 112.401285][ T4170] blkdev_ioctl+0x3d8/0xbd0 [ 112.402526][ T4170] block_ioctl+0xa8/0x114 [ 112.403689][ T4170] __arm64_sys_ioctl+0x14c/0x1c8 [ 112.404973][ T4170] invoke_syscall+0x98/0x2b8 [ 112.406131][ T4170] el0_svc_common+0x138/0x258 [ 112.407448][ T4170] do_el0_svc+0x58/0x14c [ 112.408583][ T4170] el0_svc+0x7c/0x1f0 [ 112.409642][ T4170] el0t_64_sync_handler+0x84/0xe4 [ 112.410978][ T4170] el0t_64_sync+0x1a0/0x1a4 [ 112.412348][ T4170] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 112.416619][ T4171] block nbd0: shutting down sockets executing program [ 112.565882][ T4174] FAULT_INJECTION: forcing a failure. [ 112.565882][ T4174] name failslab, interval 1, probability 0, space 0, times 0 [ 112.569180][ T4174] CPU: 0 PID: 4174 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 112.571468][ T4174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 112.574129][ T4174] Call trace: [ 112.574964][ T4174] dump_backtrace+0x0/0x530 [ 112.576186][ T4174] show_stack+0x2c/0x3c [ 112.577267][ T4174] dump_stack_lvl+0x108/0x170 [ 112.578485][ T4174] dump_stack+0x1c/0x58 [ 112.579560][ T4174] should_fail+0x400/0x5cc [ 112.580759][ T4174] __should_failslab+0xbc/0x110 [ 112.582067][ T4174] should_failslab+0x10/0x28 [ 112.583293][ T4174] slab_pre_alloc_hook+0x64/0xe8 [ 112.584594][ T4174] __kmalloc_node+0xbc/0x5b8 [ 112.585832][ T4174] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 112.587265][ T4174] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 112.588758][ T4174] nbd_start_device+0x158/0xb34 [ 112.590037][ T4174] nbd_ioctl+0x420/0xc2c [ 112.591121][ T4174] blkdev_ioctl+0x3d8/0xbd0 [ 112.592319][ T4174] block_ioctl+0xa8/0x114 [ 112.593456][ T4174] __arm64_sys_ioctl+0x14c/0x1c8 [ 112.594760][ T4174] invoke_syscall+0x98/0x2b8 [ 112.595953][ T4174] el0_svc_common+0x138/0x258 [ 112.597105][ T4174] do_el0_svc+0x58/0x14c [ 112.597992][ T4174] el0_svc+0x7c/0x1f0 [ 112.599056][ T4174] el0t_64_sync_handler+0x84/0xe4 [ 112.600339][ T4174] el0t_64_sync+0x1a0/0x1a4 [ 112.601752][ T4174] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 112.606016][ T4173] block nbd0: shutting down sockets executing program [ 112.711903][ T4177] block nbd0: Device being setup by another task [ 112.714431][ T4176] FAULT_INJECTION: forcing a failure. [ 112.714431][ T4176] name failslab, interval 1, probability 0, space 0, times 0 [ 112.717816][ T4176] CPU: 1 PID: 4176 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 112.719946][ T4176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 112.722499][ T4176] Call trace: [ 112.723402][ T4176] dump_backtrace+0x0/0x530 [ 112.724513][ T4176] show_stack+0x2c/0x3c [ 112.725614][ T4176] dump_stack_lvl+0x108/0x170 [ 112.726849][ T4176] dump_stack+0x1c/0x58 [ 112.727969][ T4176] should_fail+0x400/0x5cc [ 112.729135][ T4176] __should_failslab+0xbc/0x110 [ 112.730437][ T4176] should_failslab+0x10/0x28 [ 112.731676][ T4176] slab_pre_alloc_hook+0x64/0xe8 [ 112.733117][ T4176] kmem_cache_alloc+0x98/0x45c [ 112.734373][ T4176] new_inode_pseudo+0x110/0x200 [ 112.735607][ T4176] new_inode+0x38/0x174 [ 112.736686][ T4176] debugfs_create_dir+0xf0/0x420 [ 112.737971][ T4176] nbd_start_device+0x3bc/0xb34 [ 112.739243][ T4176] nbd_ioctl+0x420/0xc2c [ 112.740358][ T4176] blkdev_ioctl+0x3d8/0xbd0 [ 112.741549][ T4176] block_ioctl+0xa8/0x114 [ 112.742684][ T4176] __arm64_sys_ioctl+0x14c/0x1c8 [ 112.744004][ T4176] invoke_syscall+0x98/0x2b8 [ 112.745229][ T4176] el0_svc_common+0x138/0x258 [ 112.746420][ T4176] do_el0_svc+0x58/0x14c [ 112.747520][ T4176] el0_svc+0x7c/0x1f0 [ 112.748612][ T4176] el0t_64_sync_handler+0x84/0xe4 [ 112.750041][ T4176] el0t_64_sync+0x1a0/0x1a4 [ 112.751418][ T4176] debugfs: out of free dentries, can not create directory 'nbd0' [ 112.753599][ T4176] block nbd0: Failed to create debugfs dir for 'nbd0' [ 112.764982][ T4177] block nbd0: shutting down sockets executing program [ 112.895696][ T4179] FAULT_INJECTION: forcing a failure. [ 112.895696][ T4179] name failslab, interval 1, probability 0, space 0, times 0 [ 112.899135][ T4179] CPU: 0 PID: 4179 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 112.901364][ T4179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 112.904050][ T4179] Call trace: [ 112.904947][ T4179] dump_backtrace+0x0/0x530 [ 112.906165][ T4179] show_stack+0x2c/0x3c [ 112.907254][ T4179] dump_stack_lvl+0x108/0x170 [ 112.908476][ T4179] dump_stack+0x1c/0x58 [ 112.909573][ T4179] should_fail+0x400/0x5cc [ 112.910820][ T4179] __should_failslab+0xbc/0x110 [ 112.912153][ T4179] should_failslab+0x10/0x28 [ 112.913335][ T4179] slab_pre_alloc_hook+0x64/0xe8 [ 112.914645][ T4179] __kmalloc_node+0xbc/0x5b8 [ 112.915869][ T4179] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 112.917382][ T4179] nbd_start_device+0x158/0xb34 [ 112.918600][ T4179] nbd_ioctl+0x420/0xc2c [ 112.919723][ T4179] blkdev_ioctl+0x3d8/0xbd0 [ 112.920931][ T4179] block_ioctl+0xa8/0x114 [ 112.922054][ T4179] __arm64_sys_ioctl+0x14c/0x1c8 [ 112.923338][ T4179] invoke_syscall+0x98/0x2b8 [ 112.924532][ T4179] el0_svc_common+0x138/0x258 [ 112.925789][ T4179] do_el0_svc+0x58/0x14c [ 112.926904][ T4179] el0_svc+0x7c/0x1f0 [ 112.927997][ T4179] el0t_64_sync_handler+0x84/0xe4 [ 112.929326][ T4179] el0t_64_sync+0x1a0/0x1a4 [ 112.934203][ T4180] block nbd0: shutting down sockets executing program [ 113.075742][ T4182] FAULT_INJECTION: forcing a failure. [ 113.075742][ T4182] name failslab, interval 1, probability 0, space 0, times 0 [ 113.079108][ T4182] CPU: 1 PID: 4182 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 113.081272][ T4182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 113.083877][ T4182] Call trace: [ 113.084738][ T4182] dump_backtrace+0x0/0x530 [ 113.085869][ T4182] show_stack+0x2c/0x3c [ 113.086933][ T4182] dump_stack_lvl+0x108/0x170 [ 113.088122][ T4182] dump_stack+0x1c/0x58 [ 113.089198][ T4182] should_fail+0x400/0x5cc [ 113.090344][ T4182] __should_failslab+0xbc/0x110 [ 113.091634][ T4182] should_failslab+0x10/0x28 [ 113.092841][ T4182] slab_pre_alloc_hook+0x64/0xe8 [ 113.094157][ T4182] __kmalloc_node+0xbc/0x5b8 [ 113.095351][ T4182] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 113.096767][ T4182] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 113.098270][ T4182] nbd_start_device+0x158/0xb34 [ 113.099589][ T4182] nbd_ioctl+0x420/0xc2c [ 113.100718][ T4182] blkdev_ioctl+0x3d8/0xbd0 [ 113.101909][ T4182] block_ioctl+0xa8/0x114 [ 113.103033][ T4182] __arm64_sys_ioctl+0x14c/0x1c8 [ 113.104329][ T4182] invoke_syscall+0x98/0x2b8 [ 113.105511][ T4182] el0_svc_common+0x138/0x258 [ 113.106787][ T4182] do_el0_svc+0x58/0x14c [ 113.107888][ T4182] el0_svc+0x7c/0x1f0 [ 113.108936][ T4182] el0t_64_sync_handler+0x84/0xe4 [ 113.110249][ T4182] el0t_64_sync+0x1a0/0x1a4 [ 113.111638][ T4182] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 113.116547][ T4183] block nbd0: shutting down sockets executing program [ 113.266657][ T4186] FAULT_INJECTION: forcing a failure. [ 113.266657][ T4186] name failslab, interval 1, probability 0, space 0, times 0 [ 113.269986][ T4186] CPU: 0 PID: 4186 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 113.272082][ T4186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 113.274742][ T4186] Call trace: [ 113.275573][ T4186] dump_backtrace+0x0/0x530 [ 113.276776][ T4186] show_stack+0x2c/0x3c [ 113.277886][ T4186] dump_stack_lvl+0x108/0x170 [ 113.279147][ T4186] dump_stack+0x1c/0x58 [ 113.280226][ T4186] should_fail+0x400/0x5cc [ 113.281395][ T4186] __should_failslab+0xbc/0x110 [ 113.282735][ T4186] should_failslab+0x10/0x28 [ 113.283921][ T4186] slab_pre_alloc_hook+0x64/0xe8 [ 113.285254][ T4186] __kmalloc_node+0xbc/0x5b8 [ 113.286478][ T4186] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 113.287906][ T4186] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 113.289317][ T4186] nbd_start_device+0x158/0xb34 [ 113.290562][ T4186] nbd_ioctl+0x420/0xc2c [ 113.291671][ T4186] blkdev_ioctl+0x3d8/0xbd0 [ 113.292868][ T4186] block_ioctl+0xa8/0x114 [ 113.293984][ T4186] __arm64_sys_ioctl+0x14c/0x1c8 [ 113.295328][ T4186] invoke_syscall+0x98/0x2b8 [ 113.296528][ T4186] el0_svc_common+0x138/0x258 [ 113.297833][ T4186] do_el0_svc+0x58/0x14c [ 113.298970][ T4186] el0_svc+0x7c/0x1f0 [ 113.299986][ T4186] el0t_64_sync_handler+0x84/0xe4 [ 113.301334][ T4186] el0t_64_sync+0x1a0/0x1a4 [ 113.302780][ T4186] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 113.307267][ T4185] block nbd0: shutting down sockets executing program [ 113.432084][ T4189] block nbd0: Device being setup by another task [ 113.433853][ T4188] FAULT_INJECTION: forcing a failure. [ 113.433853][ T4188] name failslab, interval 1, probability 0, space 0, times 0 [ 113.437252][ T4188] CPU: 0 PID: 4188 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 113.439491][ T4188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 113.442041][ T4188] Call trace: [ 113.442915][ T4188] dump_backtrace+0x0/0x530 [ 113.444120][ T4188] show_stack+0x2c/0x3c [ 113.445233][ T4188] dump_stack_lvl+0x108/0x170 [ 113.446486][ T4188] dump_stack+0x1c/0x58 [ 113.447570][ T4188] should_fail+0x400/0x5cc [ 113.448764][ T4188] __should_failslab+0xbc/0x110 [ 113.450070][ T4188] should_failslab+0x10/0x28 [ 113.451334][ T4188] slab_pre_alloc_hook+0x64/0xe8 [ 113.452625][ T4188] kmem_cache_alloc+0x98/0x45c [ 113.453866][ T4188] new_inode_pseudo+0x110/0x200 [ 113.455154][ T4188] new_inode+0x38/0x174 [ 113.456293][ T4188] debugfs_create_dir+0xf0/0x420 [ 113.457635][ T4188] nbd_start_device+0x3bc/0xb34 [ 113.459001][ T4188] nbd_ioctl+0x420/0xc2c [ 113.460088][ T4188] blkdev_ioctl+0x3d8/0xbd0 [ 113.461317][ T4188] block_ioctl+0xa8/0x114 [ 113.462492][ T4188] __arm64_sys_ioctl+0x14c/0x1c8 [ 113.463757][ T4188] invoke_syscall+0x98/0x2b8 [ 113.464983][ T4188] el0_svc_common+0x138/0x258 [ 113.466218][ T4188] do_el0_svc+0x58/0x14c [ 113.467313][ T4188] el0_svc+0x7c/0x1f0 [ 113.468385][ T4188] el0t_64_sync_handler+0x84/0xe4 [ 113.469795][ T4188] el0t_64_sync+0x1a0/0x1a4 [ 113.471063][ T4188] debugfs: out of free dentries, can not create directory 'nbd0' [ 113.473237][ T4188] block nbd0: Failed to create debugfs dir for 'nbd0' [ 113.475315][ T4189] block nbd0: shutting down sockets executing program [ 113.605678][ T4191] FAULT_INJECTION: forcing a failure. [ 113.605678][ T4191] name failslab, interval 1, probability 0, space 0, times 0 [ 113.609010][ T4191] CPU: 0 PID: 4191 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 113.611211][ T4191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 113.613843][ T4191] Call trace: [ 113.614694][ T4191] dump_backtrace+0x0/0x530 [ 113.615958][ T4191] show_stack+0x2c/0x3c [ 113.617051][ T4191] dump_stack_lvl+0x108/0x170 [ 113.618258][ T4191] dump_stack+0x1c/0x58 [ 113.619370][ T4191] should_fail+0x400/0x5cc [ 113.620561][ T4191] __should_failslab+0xbc/0x110 [ 113.621852][ T4191] should_failslab+0x10/0x28 [ 113.622988][ T4191] slab_pre_alloc_hook+0x64/0xe8 [ 113.624259][ T4191] __kmalloc_node+0xbc/0x5b8 [ 113.625522][ T4191] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 113.626950][ T4191] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 113.628472][ T4191] nbd_start_device+0x158/0xb34 [ 113.629794][ T4191] nbd_ioctl+0x420/0xc2c [ 113.630872][ T4191] blkdev_ioctl+0x3d8/0xbd0 [ 113.632065][ T4191] block_ioctl+0xa8/0x114 [ 113.633188][ T4191] __arm64_sys_ioctl+0x14c/0x1c8 [ 113.634529][ T4191] invoke_syscall+0x98/0x2b8 [ 113.635800][ T4191] el0_svc_common+0x138/0x258 [ 113.637039][ T4191] do_el0_svc+0x58/0x14c [ 113.638209][ T4191] el0_svc+0x7c/0x1f0 [ 113.639282][ T4191] el0t_64_sync_handler+0x84/0xe4 [ 113.640684][ T4191] el0t_64_sync+0x1a0/0x1a4 [ 113.642081][ T4191] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 113.647344][ T4192] block nbd0: shutting down sockets executing program [ 113.776608][ T4194] FAULT_INJECTION: forcing a failure. [ 113.776608][ T4194] name failslab, interval 1, probability 0, space 0, times 0 [ 113.779979][ T4194] CPU: 1 PID: 4194 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 113.782277][ T4194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 113.784974][ T4194] Call trace: [ 113.785802][ T4194] dump_backtrace+0x0/0x530 [ 113.786922][ T4194] show_stack+0x2c/0x3c [ 113.788037][ T4194] dump_stack_lvl+0x108/0x170 [ 113.789252][ T4194] dump_stack+0x1c/0x58 [ 113.790361][ T4194] should_fail+0x400/0x5cc [ 113.791468][ T4194] __should_failslab+0xbc/0x110 [ 113.792739][ T4194] should_failslab+0x10/0x28 [ 113.793942][ T4194] slab_pre_alloc_hook+0x64/0xe8 [ 113.795257][ T4194] __kmalloc_node+0xbc/0x5b8 [ 113.796427][ T4194] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 113.797856][ T4194] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 113.799311][ T4194] nbd_start_device+0x158/0xb34 [ 113.800610][ T4194] nbd_ioctl+0x420/0xc2c [ 113.801681][ T4194] blkdev_ioctl+0x3d8/0xbd0 [ 113.802880][ T4194] block_ioctl+0xa8/0x114 [ 113.804021][ T4194] __arm64_sys_ioctl+0x14c/0x1c8 [ 113.805304][ T4194] invoke_syscall+0x98/0x2b8 [ 113.806510][ T4194] el0_svc_common+0x138/0x258 [ 113.807718][ T4194] do_el0_svc+0x58/0x14c [ 113.808822][ T4194] el0_svc+0x7c/0x1f0 [ 113.809865][ T4194] el0t_64_sync_handler+0x84/0xe4 [ 113.811190][ T4194] el0t_64_sync+0x1a0/0x1a4 [ 113.812662][ T4194] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 113.817999][ T4195] block nbd0: shutting down sockets executing program [ 113.955694][ T4197] FAULT_INJECTION: forcing a failure. [ 113.955694][ T4197] name failslab, interval 1, probability 0, space 0, times 0 [ 113.959084][ T4197] CPU: 1 PID: 4197 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 113.961290][ T4197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 113.964050][ T4197] Call trace: [ 113.964915][ T4197] dump_backtrace+0x0/0x530 [ 113.966070][ T4197] show_stack+0x2c/0x3c [ 113.967194][ T4197] dump_stack_lvl+0x108/0x170 [ 113.968447][ T4197] dump_stack+0x1c/0x58 [ 113.969582][ T4197] should_fail+0x400/0x5cc [ 113.970796][ T4197] __should_failslab+0xbc/0x110 [ 113.972096][ T4197] should_failslab+0x10/0x28 [ 113.973333][ T4197] slab_pre_alloc_hook+0x64/0xe8 [ 113.974682][ T4197] __kmalloc_node+0xbc/0x5b8 [ 113.975919][ T4197] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 113.977407][ T4197] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 113.979001][ T4197] nbd_start_device+0x158/0xb34 [ 113.980348][ T4197] nbd_ioctl+0x420/0xc2c [ 113.981513][ T4197] blkdev_ioctl+0x3d8/0xbd0 [ 113.982738][ T4197] block_ioctl+0xa8/0x114 [ 113.983922][ T4197] __arm64_sys_ioctl+0x14c/0x1c8 [ 113.985321][ T4197] invoke_syscall+0x98/0x2b8 [ 113.986532][ T4197] el0_svc_common+0x138/0x258 [ 113.987789][ T4197] do_el0_svc+0x58/0x14c [ 113.988929][ T4197] el0_svc+0x7c/0x1f0 [ 113.989998][ T4197] el0t_64_sync_handler+0x84/0xe4 [ 113.991325][ T4197] el0t_64_sync+0x1a0/0x1a4 [ 113.992681][ T4197] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 113.997724][ T4198] block nbd0: shutting down sockets executing program [ 114.155673][ T4201] FAULT_INJECTION: forcing a failure. [ 114.155673][ T4201] name failslab, interval 1, probability 0, space 0, times 0 [ 114.159038][ T4201] CPU: 0 PID: 4201 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 114.161300][ T4201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 114.163985][ T4201] Call trace: [ 114.164846][ T4201] dump_backtrace+0x0/0x530 [ 114.166039][ T4201] show_stack+0x2c/0x3c [ 114.167082][ T4201] dump_stack_lvl+0x108/0x170 [ 114.168346][ T4201] dump_stack+0x1c/0x58 [ 114.169447][ T4201] should_fail+0x400/0x5cc [ 114.170601][ T4201] __should_failslab+0xbc/0x110 [ 114.171886][ T4201] should_failslab+0x10/0x28 [ 114.173040][ T4201] slab_pre_alloc_hook+0x64/0xe8 [ 114.174290][ T4201] __kmalloc_node+0xbc/0x5b8 [ 114.175482][ T4201] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 114.176983][ T4201] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 114.178519][ T4201] nbd_start_device+0x158/0xb34 [ 114.179898][ T4201] nbd_ioctl+0x420/0xc2c [ 114.181053][ T4201] blkdev_ioctl+0x3d8/0xbd0 [ 114.182234][ T4201] block_ioctl+0xa8/0x114 [ 114.183402][ T4201] __arm64_sys_ioctl+0x14c/0x1c8 [ 114.184718][ T4201] invoke_syscall+0x98/0x2b8 [ 114.185936][ T4201] el0_svc_common+0x138/0x258 [ 114.187148][ T4201] do_el0_svc+0x58/0x14c [ 114.188317][ T4201] el0_svc+0x7c/0x1f0 [ 114.189385][ T4201] el0t_64_sync_handler+0x84/0xe4 [ 114.190761][ T4201] el0t_64_sync+0x1a0/0x1a4 [ 114.192095][ T4201] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 114.197062][ T4200] block nbd0: shutting down sockets executing program [ 114.325767][ T4204] FAULT_INJECTION: forcing a failure. [ 114.325767][ T4204] name failslab, interval 1, probability 0, space 0, times 0 [ 114.329061][ T4204] CPU: 0 PID: 4204 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 114.331294][ T4204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 114.333946][ T4204] Call trace: [ 114.334813][ T4204] dump_backtrace+0x0/0x530 [ 114.336000][ T4204] show_stack+0x2c/0x3c [ 114.337139][ T4204] dump_stack_lvl+0x108/0x170 [ 114.338431][ T4204] dump_stack+0x1c/0x58 [ 114.339545][ T4204] should_fail+0x400/0x5cc [ 114.340674][ T4204] __should_failslab+0xbc/0x110 [ 114.341939][ T4204] should_failslab+0x10/0x28 [ 114.343149][ T4204] slab_pre_alloc_hook+0x64/0xe8 [ 114.344447][ T4204] __kmalloc_node+0xbc/0x5b8 [ 114.345627][ T4204] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 114.347077][ T4204] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 114.348616][ T4204] nbd_start_device+0x158/0xb34 [ 114.349942][ T4204] nbd_ioctl+0x420/0xc2c [ 114.351068][ T4204] blkdev_ioctl+0x3d8/0xbd0 [ 114.352262][ T4204] block_ioctl+0xa8/0x114 [ 114.353394][ T4204] __arm64_sys_ioctl+0x14c/0x1c8 [ 114.354735][ T4204] invoke_syscall+0x98/0x2b8 [ 114.355918][ T4204] el0_svc_common+0x138/0x258 [ 114.357152][ T4204] do_el0_svc+0x58/0x14c [ 114.358236][ T4204] el0_svc+0x7c/0x1f0 [ 114.359264][ T4204] el0t_64_sync_handler+0x84/0xe4 [ 114.360533][ T4204] el0t_64_sync+0x1a0/0x1a4 [ 114.361932][ T4204] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 114.366136][ T4205] block nbd0: shutting down sockets executing program [ 114.471937][ T4208] block nbd0: Device being setup by another task [ 114.474514][ T4207] FAULT_INJECTION: forcing a failure. [ 114.474514][ T4207] name failslab, interval 1, probability 0, space 0, times 0 [ 114.477837][ T4207] CPU: 1 PID: 4207 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 114.480079][ T4207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 114.482635][ T4207] Call trace: [ 114.483492][ T4207] dump_backtrace+0x0/0x530 [ 114.484720][ T4207] show_stack+0x2c/0x3c [ 114.485784][ T4207] dump_stack_lvl+0x108/0x170 [ 114.486960][ T4207] dump_stack+0x1c/0x58 [ 114.488079][ T4207] should_fail+0x400/0x5cc [ 114.489277][ T4207] __should_failslab+0xbc/0x110 [ 114.490538][ T4207] should_failslab+0x10/0x28 [ 114.491694][ T4207] slab_pre_alloc_hook+0x64/0xe8 [ 114.492953][ T4207] kmem_cache_alloc+0x98/0x45c [ 114.494202][ T4207] new_inode_pseudo+0x110/0x200 [ 114.495511][ T4207] new_inode+0x38/0x174 [ 114.496616][ T4207] debugfs_create_dir+0xf0/0x420 [ 114.497911][ T4207] nbd_start_device+0x3bc/0xb34 [ 114.499187][ T4207] nbd_ioctl+0x420/0xc2c [ 114.500260][ T4207] blkdev_ioctl+0x3d8/0xbd0 [ 114.501434][ T4207] block_ioctl+0xa8/0x114 [ 114.502571][ T4207] __arm64_sys_ioctl+0x14c/0x1c8 [ 114.503925][ T4207] invoke_syscall+0x98/0x2b8 [ 114.505179][ T4207] el0_svc_common+0x138/0x258 [ 114.506430][ T4207] do_el0_svc+0x58/0x14c [ 114.507540][ T4207] el0_svc+0x7c/0x1f0 [ 114.508664][ T4207] el0t_64_sync_handler+0x84/0xe4 [ 114.510009][ T4207] el0t_64_sync+0x1a0/0x1a4 [ 114.511370][ T4207] debugfs: out of free dentries, can not create directory 'nbd0' [ 114.513511][ T4207] block nbd0: Failed to create debugfs dir for 'nbd0' [ 114.524999][ T4208] block nbd0: shutting down sockets executing program [ 114.695763][ T4211] FAULT_INJECTION: forcing a failure. [ 114.695763][ T4211] name failslab, interval 1, probability 0, space 0, times 0 [ 114.699156][ T4211] CPU: 1 PID: 4211 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 114.701335][ T4211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 114.703912][ T4211] Call trace: [ 114.704795][ T4211] dump_backtrace+0x0/0x530 [ 114.705986][ T4211] show_stack+0x2c/0x3c [ 114.707025][ T4211] dump_stack_lvl+0x108/0x170 [ 114.708266][ T4211] dump_stack+0x1c/0x58 [ 114.709383][ T4211] should_fail+0x400/0x5cc [ 114.710572][ T4211] __should_failslab+0xbc/0x110 [ 114.711837][ T4211] should_failslab+0x10/0x28 [ 114.712979][ T4211] slab_pre_alloc_hook+0x64/0xe8 [ 114.714247][ T4211] __kmalloc_node+0xbc/0x5b8 [ 114.715529][ T4211] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 114.716938][ T4211] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 114.718434][ T4211] nbd_start_device+0x158/0xb34 [ 114.719720][ T4211] nbd_ioctl+0x420/0xc2c [ 114.720769][ T4211] blkdev_ioctl+0x3d8/0xbd0 [ 114.722004][ T4211] block_ioctl+0xa8/0x114 [ 114.723135][ T4211] __arm64_sys_ioctl+0x14c/0x1c8 [ 114.724496][ T4211] invoke_syscall+0x98/0x2b8 [ 114.725650][ T4211] el0_svc_common+0x138/0x258 [ 114.726881][ T4211] do_el0_svc+0x58/0x14c [ 114.727974][ T4211] el0_svc+0x7c/0x1f0 [ 114.729041][ T4211] el0t_64_sync_handler+0x84/0xe4 [ 114.730336][ T4211] el0t_64_sync+0x1a0/0x1a4 [ 114.732315][ T4211] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 114.736791][ T4210] block nbd0: shutting down sockets executing program [ 114.841934][ T4215] block nbd0: Device being setup by another task [ 114.844414][ T4214] FAULT_INJECTION: forcing a failure. [ 114.844414][ T4214] name failslab, interval 1, probability 0, space 0, times 0 [ 114.847855][ T4214] CPU: 1 PID: 4214 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 114.850117][ T4214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 114.852893][ T4214] Call trace: [ 114.853770][ T4214] dump_backtrace+0x0/0x530 [ 114.854944][ T4214] show_stack+0x2c/0x3c [ 114.856042][ T4214] dump_stack_lvl+0x108/0x170 [ 114.857303][ T4214] dump_stack+0x1c/0x58 [ 114.858401][ T4214] should_fail+0x400/0x5cc [ 114.859577][ T4214] __should_failslab+0xbc/0x110 [ 114.860943][ T4214] should_failslab+0x10/0x28 [ 114.862154][ T4214] slab_pre_alloc_hook+0x64/0xe8 [ 114.863487][ T4214] kmem_cache_alloc+0x98/0x45c [ 114.864765][ T4214] radix_tree_node_alloc+0x1ac/0x3c0 [ 114.866128][ T4214] idr_get_free+0x240/0x8b0 [ 114.867310][ T4214] idr_alloc_cyclic+0x18c/0x4f4 [ 114.868629][ T4214] __kernfs_new_node+0x124/0x684 [ 114.869981][ T4214] kernfs_new_node+0x98/0x194 [ 114.871111][ T4214] __kernfs_create_file+0x60/0x2d4 [ 114.872412][ T4214] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 114.873578][ T4214] sysfs_create_file_ns+0x144/0x254 [ 114.875077][ T4214] device_create_file+0xfc/0x1b0 [ 114.876403][ T4214] nbd_start_device+0x340/0xb34 [ 114.877750][ T4214] nbd_ioctl+0x420/0xc2c [ 114.878875][ T4214] blkdev_ioctl+0x3d8/0xbd0 [ 114.880050][ T4214] block_ioctl+0xa8/0x114 [ 114.881115][ T4214] __arm64_sys_ioctl+0x14c/0x1c8 [ 114.882347][ T4214] invoke_syscall+0x98/0x2b8 [ 114.883465][ T4214] el0_svc_common+0x138/0x258 [ 114.884677][ T4214] do_el0_svc+0x58/0x14c [ 114.885806][ T4214] el0_svc+0x7c/0x1f0 [ 114.886816][ T4214] el0t_64_sync_handler+0x84/0xe4 [ 114.888098][ T4214] el0t_64_sync+0x1a0/0x1a4 [ 114.895427][ T4215] block nbd0: shutting down sockets executing program [ 115.025760][ T4217] FAULT_INJECTION: forcing a failure. [ 115.025760][ T4217] name failslab, interval 1, probability 0, space 0, times 0 [ 115.029067][ T4217] CPU: 1 PID: 4217 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 115.031320][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 115.033970][ T4217] Call trace: [ 115.034892][ T4217] dump_backtrace+0x0/0x530 [ 115.036084][ T4217] show_stack+0x2c/0x3c [ 115.037180][ T4217] dump_stack_lvl+0x108/0x170 [ 115.038439][ T4217] dump_stack+0x1c/0x58 [ 115.039601][ T4217] should_fail+0x400/0x5cc [ 115.040791][ T4217] __should_failslab+0xbc/0x110 [ 115.042020][ T4217] should_failslab+0x10/0x28 [ 115.043260][ T4217] slab_pre_alloc_hook+0x64/0xe8 [ 115.044597][ T4217] __kmalloc_node+0xbc/0x5b8 [ 115.045830][ T4217] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 115.047345][ T4217] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 115.048964][ T4217] nbd_start_device+0x158/0xb34 [ 115.050201][ T4217] nbd_ioctl+0x420/0xc2c [ 115.051312][ T4217] blkdev_ioctl+0x3d8/0xbd0 [ 115.052524][ T4217] block_ioctl+0xa8/0x114 [ 115.053748][ T4217] __arm64_sys_ioctl+0x14c/0x1c8 [ 115.055071][ T4217] invoke_syscall+0x98/0x2b8 [ 115.056275][ T4217] el0_svc_common+0x138/0x258 [ 115.057499][ T4217] do_el0_svc+0x58/0x14c [ 115.058640][ T4217] el0_svc+0x7c/0x1f0 [ 115.059683][ T4217] el0t_64_sync_handler+0x84/0xe4 [ 115.061057][ T4217] el0t_64_sync+0x1a0/0x1a4 [ 115.062577][ T4217] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 115.067534][ T4218] block nbd0: shutting down sockets executing program [ 115.195940][ T4220] FAULT_INJECTION: forcing a failure. [ 115.195940][ T4220] name failslab, interval 1, probability 0, space 0, times 0 [ 115.199350][ T4220] CPU: 1 PID: 4220 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 115.201586][ T4220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 115.204404][ T4220] Call trace: [ 115.205250][ T4220] dump_backtrace+0x0/0x530 [ 115.206457][ T4220] show_stack+0x2c/0x3c [ 115.207603][ T4220] dump_stack_lvl+0x108/0x170 [ 115.208843][ T4220] dump_stack+0x1c/0x58 [ 115.209652][ T4220] should_fail+0x400/0x5cc [ 115.210849][ T4220] __should_failslab+0xbc/0x110 [ 115.212150][ T4220] should_failslab+0x10/0x28 [ 115.213408][ T4220] slab_pre_alloc_hook+0x64/0xe8 [ 115.214781][ T4220] __kmalloc_node+0xbc/0x5b8 [ 115.216034][ T4220] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 115.217547][ T4220] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 115.219255][ T4220] nbd_start_device+0x158/0xb34 [ 115.220533][ T4220] nbd_ioctl+0x420/0xc2c [ 115.221668][ T4220] blkdev_ioctl+0x3d8/0xbd0 [ 115.222883][ T4220] block_ioctl+0xa8/0x114 [ 115.224033][ T4220] __arm64_sys_ioctl+0x14c/0x1c8 [ 115.225436][ T4220] invoke_syscall+0x98/0x2b8 [ 115.226656][ T4220] el0_svc_common+0x138/0x258 [ 115.227864][ T4220] do_el0_svc+0x58/0x14c [ 115.228971][ T4220] el0_svc+0x7c/0x1f0 [ 115.230017][ T4220] el0t_64_sync_handler+0x84/0xe4 [ 115.231341][ T4220] el0t_64_sync+0x1a0/0x1a4 [ 115.232847][ T4220] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 115.237864][ T4221] block nbd0: shutting down sockets executing program [ 115.365819][ T4223] FAULT_INJECTION: forcing a failure. [ 115.365819][ T4223] name failslab, interval 1, probability 0, space 0, times 0 [ 115.369379][ T4223] CPU: 1 PID: 4223 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 115.371596][ T4223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 115.374361][ T4223] Call trace: [ 115.375257][ T4223] dump_backtrace+0x0/0x530 [ 115.376489][ T4223] show_stack+0x2c/0x3c [ 115.377567][ T4223] dump_stack_lvl+0x108/0x170 [ 115.378838][ T4223] dump_stack+0x1c/0x58 [ 115.379984][ T4223] should_fail+0x400/0x5cc [ 115.381164][ T4223] __should_failslab+0xbc/0x110 [ 115.382490][ T4223] should_failslab+0x10/0x28 [ 115.383780][ T4223] slab_pre_alloc_hook+0x64/0xe8 [ 115.385128][ T4223] __kmalloc_node+0xbc/0x5b8 [ 115.386447][ T4223] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 115.387886][ T4223] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 115.389375][ T4223] nbd_start_device+0x158/0xb34 [ 115.390781][ T4223] nbd_ioctl+0x420/0xc2c [ 115.392007][ T4223] blkdev_ioctl+0x3d8/0xbd0 [ 115.393281][ T4223] block_ioctl+0xa8/0x114 [ 115.394437][ T4223] __arm64_sys_ioctl+0x14c/0x1c8 [ 115.395776][ T4223] invoke_syscall+0x98/0x2b8 [ 115.397016][ T4223] el0_svc_common+0x138/0x258 [ 115.398348][ T4223] do_el0_svc+0x58/0x14c [ 115.399478][ T4223] el0_svc+0x7c/0x1f0 [ 115.400542][ T4223] el0t_64_sync_handler+0x84/0xe4 [ 115.401915][ T4223] el0t_64_sync+0x1a0/0x1a4 [ 115.403403][ T4223] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 115.408374][ T4224] block nbd0: shutting down sockets executing program [ 115.545886][ T4226] FAULT_INJECTION: forcing a failure. [ 115.545886][ T4226] name failslab, interval 1, probability 0, space 0, times 0 [ 115.549230][ T4226] CPU: 0 PID: 4226 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 115.551465][ T4226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 115.554118][ T4226] Call trace: [ 115.555006][ T4226] dump_backtrace+0x0/0x530 [ 115.556249][ T4226] show_stack+0x2c/0x3c [ 115.557329][ T4226] dump_stack_lvl+0x108/0x170 [ 115.558576][ T4226] dump_stack+0x1c/0x58 [ 115.559727][ T4226] should_fail+0x400/0x5cc [ 115.560878][ T4226] __should_failslab+0xbc/0x110 [ 115.562179][ T4226] should_failslab+0x10/0x28 [ 115.563427][ T4226] slab_pre_alloc_hook+0x64/0xe8 [ 115.564784][ T4226] __kmalloc_node+0xbc/0x5b8 [ 115.566050][ T4226] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 115.567534][ T4226] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 115.569197][ T4226] nbd_start_device+0x158/0xb34 [ 115.570564][ T4226] nbd_ioctl+0x420/0xc2c [ 115.571751][ T4226] blkdev_ioctl+0x3d8/0xbd0 [ 115.572928][ T4226] block_ioctl+0xa8/0x114 [ 115.574108][ T4226] __arm64_sys_ioctl+0x14c/0x1c8 [ 115.575433][ T4226] invoke_syscall+0x98/0x2b8 [ 115.576677][ T4226] el0_svc_common+0x138/0x258 [ 115.577940][ T4226] do_el0_svc+0x58/0x14c [ 115.579136][ T4226] el0_svc+0x7c/0x1f0 [ 115.580201][ T4226] el0t_64_sync_handler+0x84/0xe4 [ 115.581531][ T4226] el0t_64_sync+0x1a0/0x1a4 [ 115.582942][ T4226] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 115.587364][ T4227] block nbd0: shutting down sockets executing program [ 115.715845][ T4229] FAULT_INJECTION: forcing a failure. [ 115.715845][ T4229] name failslab, interval 1, probability 0, space 0, times 0 [ 115.719361][ T4229] CPU: 0 PID: 4229 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 115.721599][ T4229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 115.724545][ T4229] Call trace: [ 115.725425][ T4229] dump_backtrace+0x0/0x530 [ 115.726633][ T4229] show_stack+0x2c/0x3c [ 115.727786][ T4229] dump_stack_lvl+0x108/0x170 [ 115.729076][ T4229] dump_stack+0x1c/0x58 [ 115.730199][ T4229] should_fail+0x400/0x5cc [ 115.731406][ T4229] __should_failslab+0xbc/0x110 [ 115.732741][ T4229] should_failslab+0x10/0x28 [ 115.734028][ T4229] slab_pre_alloc_hook+0x64/0xe8 [ 115.735354][ T4229] __kmalloc_node+0xbc/0x5b8 [ 115.736610][ T4229] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 115.738145][ T4229] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 115.739692][ T4229] nbd_start_device+0x158/0xb34 [ 115.741007][ T4229] nbd_ioctl+0x420/0xc2c [ 115.742174][ T4229] blkdev_ioctl+0x3d8/0xbd0 [ 115.743450][ T4229] block_ioctl+0xa8/0x114 [ 115.744677][ T4229] __arm64_sys_ioctl+0x14c/0x1c8 [ 115.746037][ T4229] invoke_syscall+0x98/0x2b8 [ 115.747389][ T4229] el0_svc_common+0x138/0x258 [ 115.748824][ T4229] do_el0_svc+0x58/0x14c [ 115.749989][ T4229] el0_svc+0x7c/0x1f0 [ 115.751063][ T4229] el0t_64_sync_handler+0x84/0xe4 [ 115.752436][ T4229] el0t_64_sync+0x1a0/0x1a4 [ 115.753861][ T4229] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 115.758350][ T4230] block nbd0: shutting down sockets executing program [ 115.915733][ T4232] FAULT_INJECTION: forcing a failure. [ 115.915733][ T4232] name failslab, interval 1, probability 0, space 0, times 0 [ 115.919175][ T4232] CPU: 1 PID: 4232 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 115.921344][ T4232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 115.924037][ T4232] Call trace: [ 115.924917][ T4232] dump_backtrace+0x0/0x530 [ 115.926158][ T4232] show_stack+0x2c/0x3c [ 115.927237][ T4232] dump_stack_lvl+0x108/0x170 [ 115.928487][ T4232] dump_stack+0x1c/0x58 [ 115.929600][ T4232] should_fail+0x400/0x5cc [ 115.930815][ T4232] __should_failslab+0xbc/0x110 [ 115.932079][ T4232] should_failslab+0x10/0x28 [ 115.933237][ T4232] slab_pre_alloc_hook+0x64/0xe8 [ 115.934551][ T4232] __kmalloc_node+0xbc/0x5b8 [ 115.935783][ T4232] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 115.937168][ T4232] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 115.938679][ T4232] nbd_start_device+0x158/0xb34 [ 115.939962][ T4232] nbd_ioctl+0x420/0xc2c [ 115.941096][ T4232] blkdev_ioctl+0x3d8/0xbd0 [ 115.942239][ T4232] block_ioctl+0xa8/0x114 [ 115.943360][ T4232] __arm64_sys_ioctl+0x14c/0x1c8 [ 115.944592][ T4232] invoke_syscall+0x98/0x2b8 [ 115.945892][ T4232] el0_svc_common+0x138/0x258 [ 115.947103][ T4232] do_el0_svc+0x58/0x14c [ 115.948263][ T4232] el0_svc+0x7c/0x1f0 [ 115.949273][ T4232] el0t_64_sync_handler+0x84/0xe4 [ 115.950587][ T4232] el0t_64_sync+0x1a0/0x1a4 [ 115.951968][ T4232] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 115.956829][ T4233] block nbd0: shutting down sockets executing program [ 116.115709][ T4235] FAULT_INJECTION: forcing a failure. [ 116.115709][ T4235] name failslab, interval 1, probability 0, space 0, times 0 [ 116.119060][ T4235] CPU: 0 PID: 4235 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 116.121278][ T4235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 116.123983][ T4235] Call trace: [ 116.124887][ T4235] dump_backtrace+0x0/0x530 [ 116.126164][ T4235] show_stack+0x2c/0x3c [ 116.127269][ T4235] dump_stack_lvl+0x108/0x170 [ 116.128542][ T4235] dump_stack+0x1c/0x58 [ 116.129691][ T4235] should_fail+0x400/0x5cc [ 116.130914][ T4235] __should_failslab+0xbc/0x110 [ 116.132207][ T4235] should_failslab+0x10/0x28 [ 116.133452][ T4235] slab_pre_alloc_hook+0x64/0xe8 [ 116.134741][ T4235] __kmalloc_node+0xbc/0x5b8 [ 116.135971][ T4235] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 116.137344][ T4235] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 116.138859][ T4235] nbd_start_device+0x158/0xb34 [ 116.140121][ T4235] nbd_ioctl+0x420/0xc2c [ 116.141223][ T4235] blkdev_ioctl+0x3d8/0xbd0 [ 116.142454][ T4235] block_ioctl+0xa8/0x114 [ 116.143581][ T4235] __arm64_sys_ioctl+0x14c/0x1c8 [ 116.144890][ T4235] invoke_syscall+0x98/0x2b8 [ 116.146057][ T4235] el0_svc_common+0x138/0x258 [ 116.147292][ T4235] do_el0_svc+0x58/0x14c [ 116.148459][ T4235] el0_svc+0x7c/0x1f0 [ 116.149514][ T4235] el0t_64_sync_handler+0x84/0xe4 [ 116.150858][ T4235] el0t_64_sync+0x1a0/0x1a4 [ 116.152860][ T4235] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 116.157815][ T4236] block nbd0: shutting down sockets executing program [ 116.305943][ T4239] FAULT_INJECTION: forcing a failure. [ 116.305943][ T4239] name failslab, interval 1, probability 0, space 0, times 0 [ 116.309150][ T4239] CPU: 0 PID: 4239 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 116.311344][ T4239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 116.314065][ T4239] Call trace: [ 116.314952][ T4239] dump_backtrace+0x0/0x530 [ 116.316165][ T4239] show_stack+0x2c/0x3c [ 116.317310][ T4239] dump_stack_lvl+0x108/0x170 [ 116.318587][ T4239] dump_stack+0x1c/0x58 [ 116.319688][ T4239] should_fail+0x400/0x5cc [ 116.320852][ T4239] __should_failslab+0xbc/0x110 [ 116.322114][ T4239] should_failslab+0x10/0x28 [ 116.323350][ T4239] slab_pre_alloc_hook+0x64/0xe8 [ 116.324625][ T4239] __kmalloc_node+0xbc/0x5b8 [ 116.325810][ T4239] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 116.327226][ T4239] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 116.328790][ T4239] nbd_start_device+0x158/0xb34 [ 116.330108][ T4239] nbd_ioctl+0x420/0xc2c [ 116.331289][ T4239] blkdev_ioctl+0x3d8/0xbd0 [ 116.332463][ T4239] block_ioctl+0xa8/0x114 [ 116.333692][ T4239] __arm64_sys_ioctl+0x14c/0x1c8 [ 116.335019][ T4239] invoke_syscall+0x98/0x2b8 [ 116.336188][ T4239] el0_svc_common+0x138/0x258 [ 116.337400][ T4239] do_el0_svc+0x58/0x14c [ 116.338524][ T4239] el0_svc+0x7c/0x1f0 [ 116.339577][ T4239] el0t_64_sync_handler+0x84/0xe4 [ 116.340929][ T4239] el0t_64_sync+0x1a0/0x1a4 [ 116.342314][ T4239] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 116.346725][ T4240] block nbd0: shutting down sockets executing program [ 116.465865][ T4243] FAULT_INJECTION: forcing a failure. [ 116.465865][ T4243] name failslab, interval 1, probability 0, space 0, times 0 [ 116.469377][ T4243] CPU: 0 PID: 4243 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 116.471632][ T4243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 116.474368][ T4243] Call trace: [ 116.475293][ T4243] dump_backtrace+0x0/0x530 [ 116.476506][ T4243] show_stack+0x2c/0x3c [ 116.477626][ T4243] dump_stack_lvl+0x108/0x170 [ 116.478928][ T4243] dump_stack+0x1c/0x58 [ 116.480014][ T4243] should_fail+0x400/0x5cc [ 116.481220][ T4243] __should_failslab+0xbc/0x110 [ 116.482537][ T4243] should_failslab+0x10/0x28 [ 116.483775][ T4243] slab_pre_alloc_hook+0x64/0xe8 [ 116.485147][ T4243] __kmalloc_node+0xbc/0x5b8 [ 116.486463][ T4243] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 116.487969][ T4243] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 116.489564][ T4243] nbd_start_device+0x158/0xb34 [ 116.490881][ T4243] nbd_ioctl+0x420/0xc2c [ 116.492016][ T4243] blkdev_ioctl+0x3d8/0xbd0 [ 116.493224][ T4243] block_ioctl+0xa8/0x114 [ 116.494400][ T4243] __arm64_sys_ioctl+0x14c/0x1c8 [ 116.495777][ T4243] invoke_syscall+0x98/0x2b8 [ 116.497040][ T4243] el0_svc_common+0x138/0x258 [ 116.498266][ T4243] do_el0_svc+0x58/0x14c [ 116.499388][ T4243] el0_svc+0x7c/0x1f0 [ 116.500488][ T4243] el0t_64_sync_handler+0x84/0xe4 [ 116.501824][ T4243] el0t_64_sync+0x1a0/0x1a4 [ 116.503208][ T4243] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 116.507528][ T4244] block nbd0: shutting down sockets executing program [ 116.656066][ T4246] FAULT_INJECTION: forcing a failure. [ 116.656066][ T4246] name failslab, interval 1, probability 0, space 0, times 0 [ 116.659676][ T4246] CPU: 1 PID: 4246 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 116.661993][ T4246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 116.664865][ T4246] Call trace: [ 116.665808][ T4246] dump_backtrace+0x0/0x530 [ 116.667035][ T4246] show_stack+0x2c/0x3c [ 116.668242][ T4246] dump_stack_lvl+0x108/0x170 [ 116.669547][ T4246] dump_stack+0x1c/0x58 [ 116.670732][ T4246] should_fail+0x400/0x5cc [ 116.671960][ T4246] __should_failslab+0xbc/0x110 [ 116.673305][ T4246] should_failslab+0x10/0x28 [ 116.674518][ T4246] slab_pre_alloc_hook+0x64/0xe8 [ 116.675902][ T4246] __kmalloc_node+0xbc/0x5b8 [ 116.677131][ T4246] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 116.678637][ T4246] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 116.680276][ T4246] nbd_start_device+0x158/0xb34 [ 116.681586][ T4246] nbd_ioctl+0x420/0xc2c [ 116.682822][ T4246] blkdev_ioctl+0x3d8/0xbd0 [ 116.684072][ T4246] block_ioctl+0xa8/0x114 [ 116.685255][ T4246] __arm64_sys_ioctl+0x14c/0x1c8 [ 116.686637][ T4246] invoke_syscall+0x98/0x2b8 [ 116.687964][ T4246] el0_svc_common+0x138/0x258 [ 116.689240][ T4246] do_el0_svc+0x58/0x14c [ 116.690354][ T4246] el0_svc+0x7c/0x1f0 [ 116.691456][ T4246] el0t_64_sync_handler+0x84/0xe4 [ 116.692816][ T4246] el0t_64_sync+0x1a0/0x1a4 [ 116.694337][ T4246] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 116.699423][ T4247] block nbd0: shutting down sockets executing program [ 116.845717][ T4249] FAULT_INJECTION: forcing a failure. [ 116.845717][ T4249] name failslab, interval 1, probability 0, space 0, times 0 [ 116.849115][ T4249] CPU: 0 PID: 4249 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 116.851345][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 116.854098][ T4249] Call trace: [ 116.854998][ T4249] dump_backtrace+0x0/0x530 [ 116.856231][ T4249] show_stack+0x2c/0x3c [ 116.857318][ T4249] dump_stack_lvl+0x108/0x170 [ 116.858566][ T4249] dump_stack+0x1c/0x58 [ 116.859678][ T4249] should_fail+0x400/0x5cc [ 116.860887][ T4249] __should_failslab+0xbc/0x110 [ 116.862167][ T4249] should_failslab+0x10/0x28 [ 116.863384][ T4249] slab_pre_alloc_hook+0x64/0xe8 [ 116.864690][ T4249] __kmalloc_node+0xbc/0x5b8 [ 116.865896][ T4249] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 116.867328][ T4249] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 116.868880][ T4249] nbd_start_device+0x158/0xb34 [ 116.870137][ T4249] nbd_ioctl+0x420/0xc2c [ 116.871276][ T4249] blkdev_ioctl+0x3d8/0xbd0 [ 116.872456][ T4249] block_ioctl+0xa8/0x114 [ 116.873608][ T4249] __arm64_sys_ioctl+0x14c/0x1c8 [ 116.874909][ T4249] invoke_syscall+0x98/0x2b8 [ 116.876135][ T4249] el0_svc_common+0x138/0x258 [ 116.877358][ T4249] do_el0_svc+0x58/0x14c [ 116.878504][ T4249] el0_svc+0x7c/0x1f0 [ 116.879585][ T4249] el0t_64_sync_handler+0x84/0xe4 [ 116.880950][ T4249] el0t_64_sync+0x1a0/0x1a4 [ 116.882342][ T4249] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 116.886506][ T4250] block nbd0: shutting down sockets executing program [ 117.055864][ T4253] FAULT_INJECTION: forcing a failure. [ 117.055864][ T4253] name failslab, interval 1, probability 0, space 0, times 0 [ 117.059321][ T4253] CPU: 0 PID: 4253 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 117.061521][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 117.064308][ T4253] Call trace: [ 117.065220][ T4253] dump_backtrace+0x0/0x530 [ 117.066426][ T4253] show_stack+0x2c/0x3c [ 117.067549][ T4253] dump_stack_lvl+0x108/0x170 [ 117.068907][ T4253] dump_stack+0x1c/0x58 [ 117.070005][ T4253] should_fail+0x400/0x5cc [ 117.071268][ T4253] __should_failslab+0xbc/0x110 [ 117.072630][ T4253] should_failslab+0x10/0x28 [ 117.073923][ T4253] slab_pre_alloc_hook+0x64/0xe8 [ 117.075286][ T4253] __kmalloc_node+0xbc/0x5b8 [ 117.076543][ T4253] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 117.078012][ T4253] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 117.079594][ T4253] nbd_start_device+0x158/0xb34 [ 117.080892][ T4253] nbd_ioctl+0x420/0xc2c [ 117.082047][ T4253] blkdev_ioctl+0x3d8/0xbd0 [ 117.083262][ T4253] block_ioctl+0xa8/0x114 [ 117.084442][ T4253] __arm64_sys_ioctl+0x14c/0x1c8 [ 117.085791][ T4253] invoke_syscall+0x98/0x2b8 [ 117.087023][ T4253] el0_svc_common+0x138/0x258 [ 117.088325][ T4253] do_el0_svc+0x58/0x14c [ 117.089489][ T4253] el0_svc+0x7c/0x1f0 [ 117.090553][ T4253] el0t_64_sync_handler+0x84/0xe4 [ 117.091921][ T4253] el0t_64_sync+0x1a0/0x1a4 [ 117.093308][ T4253] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 117.100285][ T4252] block nbd0: shutting down sockets executing program [ 117.266285][ T4257] FAULT_INJECTION: forcing a failure. [ 117.266285][ T4257] name failslab, interval 1, probability 0, space 0, times 0 [ 117.269630][ T4257] CPU: 1 PID: 4257 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 117.271870][ T4257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 117.274516][ T4257] Call trace: [ 117.275373][ T4257] dump_backtrace+0x0/0x530 [ 117.276593][ T4257] show_stack+0x2c/0x3c [ 117.277716][ T4257] dump_stack_lvl+0x108/0x170 [ 117.278981][ T4257] dump_stack+0x1c/0x58 [ 117.280063][ T4257] should_fail+0x400/0x5cc [ 117.281231][ T4257] __should_failslab+0xbc/0x110 [ 117.282588][ T4257] should_failslab+0x10/0x28 [ 117.283786][ T4257] slab_pre_alloc_hook+0x64/0xe8 [ 117.285140][ T4257] __kmalloc_node+0xbc/0x5b8 [ 117.286418][ T4257] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 117.287896][ T4257] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 117.289502][ T4257] nbd_start_device+0x158/0xb34 [ 117.290848][ T4257] nbd_ioctl+0x420/0xc2c [ 117.291954][ T4257] blkdev_ioctl+0x3d8/0xbd0 [ 117.293228][ T4257] block_ioctl+0xa8/0x114 [ 117.294425][ T4257] __arm64_sys_ioctl+0x14c/0x1c8 [ 117.295730][ T4257] invoke_syscall+0x98/0x2b8 [ 117.296927][ T4257] el0_svc_common+0x138/0x258 [ 117.298228][ T4257] do_el0_svc+0x58/0x14c [ 117.299398][ T4257] el0_svc+0x7c/0x1f0 [ 117.300442][ T4257] el0t_64_sync_handler+0x84/0xe4 [ 117.301802][ T4257] el0t_64_sync+0x1a0/0x1a4 [ 117.303152][ T4257] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 117.307589][ T4256] block nbd0: shutting down sockets executing program [ 117.445647][ T4259] FAULT_INJECTION: forcing a failure. [ 117.445647][ T4259] name failslab, interval 1, probability 0, space 0, times 0 [ 117.448995][ T4259] CPU: 1 PID: 4259 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 117.451261][ T4259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 117.453954][ T4259] Call trace: [ 117.454827][ T4259] dump_backtrace+0x0/0x530 [ 117.456075][ T4259] show_stack+0x2c/0x3c [ 117.457209][ T4259] dump_stack_lvl+0x108/0x170 [ 117.458461][ T4259] dump_stack+0x1c/0x58 [ 117.459530][ T4259] should_fail+0x400/0x5cc [ 117.460724][ T4259] __should_failslab+0xbc/0x110 [ 117.462010][ T4259] should_failslab+0x10/0x28 [ 117.463220][ T4259] slab_pre_alloc_hook+0x64/0xe8 [ 117.464493][ T4259] __kmalloc_node+0xbc/0x5b8 [ 117.465725][ T4259] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 117.467150][ T4259] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 117.468696][ T4259] nbd_start_device+0x158/0xb34 [ 117.469975][ T4259] nbd_ioctl+0x420/0xc2c [ 117.471102][ T4259] blkdev_ioctl+0x3d8/0xbd0 [ 117.472302][ T4259] block_ioctl+0xa8/0x114 [ 117.473417][ T4259] __arm64_sys_ioctl+0x14c/0x1c8 [ 117.474748][ T4259] invoke_syscall+0x98/0x2b8 [ 117.475938][ T4259] el0_svc_common+0x138/0x258 [ 117.477208][ T4259] do_el0_svc+0x58/0x14c [ 117.478330][ T4259] el0_svc+0x7c/0x1f0 [ 117.479420][ T4259] el0t_64_sync_handler+0x84/0xe4 [ 117.480787][ T4259] el0t_64_sync+0x1a0/0x1a4 [ 117.482244][ T4259] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 117.486686][ T4260] block nbd0: shutting down sockets executing program [ 117.615794][ T4262] FAULT_INJECTION: forcing a failure. [ 117.615794][ T4262] name failslab, interval 1, probability 0, space 0, times 0 [ 117.619223][ T4262] CPU: 0 PID: 4262 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 117.621382][ T4262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 117.624048][ T4262] Call trace: [ 117.624937][ T4262] dump_backtrace+0x0/0x530 [ 117.626174][ T4262] show_stack+0x2c/0x3c [ 117.627261][ T4262] dump_stack_lvl+0x108/0x170 [ 117.628461][ T4262] dump_stack+0x1c/0x58 [ 117.629567][ T4262] should_fail+0x400/0x5cc [ 117.630786][ T4262] __should_failslab+0xbc/0x110 [ 117.632130][ T4262] should_failslab+0x10/0x28 [ 117.633448][ T4262] slab_pre_alloc_hook+0x64/0xe8 [ 117.634888][ T4262] __kmalloc_node+0xbc/0x5b8 [ 117.636230][ T4262] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 117.637760][ T4262] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 117.639324][ T4262] nbd_start_device+0x158/0xb34 [ 117.640682][ T4262] nbd_ioctl+0x420/0xc2c [ 117.641904][ T4262] blkdev_ioctl+0x3d8/0xbd0 [ 117.643175][ T4262] block_ioctl+0xa8/0x114 [ 117.644395][ T4262] __arm64_sys_ioctl+0x14c/0x1c8 [ 117.645800][ T4262] invoke_syscall+0x98/0x2b8 [ 117.647150][ T4262] el0_svc_common+0x138/0x258 [ 117.648495][ T4262] do_el0_svc+0x58/0x14c [ 117.649686][ T4262] el0_svc+0x7c/0x1f0 [ 117.650821][ T4262] el0t_64_sync_handler+0x84/0xe4 [ 117.652284][ T4262] el0t_64_sync+0x1a0/0x1a4 [ 117.654898][ T4262] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 117.660337][ T4263] block nbd0: shutting down sockets executing program [ 117.771907][ T4266] block nbd0: Device being setup by another task [ 117.774493][ T4265] FAULT_INJECTION: forcing a failure. [ 117.774493][ T4265] name failslab, interval 1, probability 0, space 0, times 0 [ 117.777958][ T4265] CPU: 0 PID: 4265 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 117.780333][ T4265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 117.783158][ T4265] Call trace: [ 117.784088][ T4265] dump_backtrace+0x0/0x530 [ 117.785401][ T4265] show_stack+0x2c/0x3c [ 117.786607][ T4265] dump_stack_lvl+0x108/0x170 [ 117.787961][ T4265] dump_stack+0x1c/0x58 [ 117.789137][ T4265] should_fail+0x400/0x5cc [ 117.790406][ T4265] __should_failslab+0xbc/0x110 [ 117.791727][ T4265] should_failslab+0x10/0x28 [ 117.793074][ T4265] slab_pre_alloc_hook+0x64/0xe8 [ 117.794443][ T4265] kmem_cache_alloc+0x98/0x45c [ 117.795784][ T4265] new_inode_pseudo+0x110/0x200 [ 117.797149][ T4265] new_inode+0x38/0x174 [ 117.798361][ T4265] debugfs_create_dir+0xf0/0x420 [ 117.799822][ T4265] nbd_start_device+0x3bc/0xb34 [ 117.801221][ T4265] nbd_ioctl+0x420/0xc2c [ 117.802403][ T4265] blkdev_ioctl+0x3d8/0xbd0 [ 117.803721][ T4265] block_ioctl+0xa8/0x114 [ 117.804949][ T4265] __arm64_sys_ioctl+0x14c/0x1c8 [ 117.806306][ T4265] invoke_syscall+0x98/0x2b8 [ 117.807605][ T4265] el0_svc_common+0x138/0x258 [ 117.808960][ T4265] do_el0_svc+0x58/0x14c [ 117.810136][ T4265] el0_svc+0x7c/0x1f0 [ 117.811225][ T4265] el0t_64_sync_handler+0x84/0xe4 [ 117.812631][ T4265] el0t_64_sync+0x1a0/0x1a4 [ 117.814021][ T4265] debugfs: out of free dentries, can not create directory 'nbd0' [ 117.816186][ T4265] block nbd0: Failed to create debugfs dir for 'nbd0' [ 117.824982][ T4266] block nbd0: shutting down sockets executing program [ 117.955684][ T4268] FAULT_INJECTION: forcing a failure. [ 117.955684][ T4268] name failslab, interval 1, probability 0, space 0, times 0 [ 117.959275][ T4268] CPU: 0 PID: 4268 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 117.961689][ T4268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 117.964617][ T4268] Call trace: [ 117.965560][ T4268] dump_backtrace+0x0/0x530 [ 117.966909][ T4268] show_stack+0x2c/0x3c [ 117.968131][ T4268] dump_stack_lvl+0x108/0x170 [ 117.969469][ T4268] dump_stack+0x1c/0x58 [ 117.970710][ T4268] should_fail+0x400/0x5cc [ 117.972010][ T4268] __should_failslab+0xbc/0x110 [ 117.973406][ T4268] should_failslab+0x10/0x28 [ 117.974730][ T4268] slab_pre_alloc_hook+0x64/0xe8 [ 117.976138][ T4268] __kmalloc_node+0xbc/0x5b8 [ 117.977448][ T4268] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 117.978983][ T4268] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 117.980630][ T4268] nbd_start_device+0x158/0xb34 [ 117.981940][ T4268] nbd_ioctl+0x420/0xc2c [ 117.983156][ T4268] blkdev_ioctl+0x3d8/0xbd0 [ 117.984463][ T4268] block_ioctl+0xa8/0x114 [ 117.985716][ T4268] __arm64_sys_ioctl+0x14c/0x1c8 [ 117.987173][ T4268] invoke_syscall+0x98/0x2b8 [ 117.988492][ T4268] el0_svc_common+0x138/0x258 [ 117.989879][ T4268] do_el0_svc+0x58/0x14c [ 117.991101][ T4268] el0_svc+0x7c/0x1f0 [ 117.992267][ T4268] el0t_64_sync_handler+0x84/0xe4 [ 117.993739][ T4268] el0t_64_sync+0x1a0/0x1a4 [ 117.995242][ T4268] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 118.000328][ T4269] block nbd0: shutting down sockets executing program [ 118.101934][ T4272] block nbd0: Device being setup by another task [ 118.104553][ T4271] FAULT_INJECTION: forcing a failure. [ 118.104553][ T4271] name failslab, interval 1, probability 0, space 0, times 0 [ 118.107969][ T4271] CPU: 1 PID: 4271 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 118.110245][ T4271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 118.112883][ T4271] Call trace: [ 118.113800][ T4271] dump_backtrace+0x0/0x530 [ 118.115050][ T4271] show_stack+0x2c/0x3c [ 118.116206][ T4271] dump_stack_lvl+0x108/0x170 [ 118.117491][ T4271] dump_stack+0x1c/0x58 [ 118.118621][ T4271] should_fail+0x400/0x5cc [ 118.119851][ T4271] __should_failslab+0xbc/0x110 [ 118.121173][ T4271] should_failslab+0x10/0x28 [ 118.122409][ T4271] slab_pre_alloc_hook+0x64/0xe8 [ 118.123774][ T4271] kmem_cache_alloc+0x98/0x45c [ 118.125030][ T4271] new_inode_pseudo+0x110/0x200 [ 118.126329][ T4271] new_inode+0x38/0x174 [ 118.127442][ T4271] debugfs_create_dir+0xf0/0x420 [ 118.128767][ T4271] nbd_start_device+0x3bc/0xb34 [ 118.130076][ T4271] nbd_ioctl+0x420/0xc2c [ 118.131205][ T4271] blkdev_ioctl+0x3d8/0xbd0 [ 118.132426][ T4271] block_ioctl+0xa8/0x114 [ 118.133650][ T4271] __arm64_sys_ioctl+0x14c/0x1c8 [ 118.135032][ T4271] invoke_syscall+0x98/0x2b8 [ 118.136264][ T4271] el0_svc_common+0x138/0x258 [ 118.137532][ T4271] do_el0_svc+0x58/0x14c [ 118.138749][ T4271] el0_svc+0x7c/0x1f0 [ 118.139866][ T4271] el0t_64_sync_handler+0x84/0xe4 [ 118.141236][ T4271] el0t_64_sync+0x1a0/0x1a4 [ 118.142663][ T4271] debugfs: out of free dentries, can not create directory 'nbd0' [ 118.144832][ T4271] block nbd0: Failed to create debugfs dir for 'nbd0' [ 118.154974][ T4272] block nbd0: shutting down sockets executing program [ 118.285764][ T4274] FAULT_INJECTION: forcing a failure. [ 118.285764][ T4274] name failslab, interval 1, probability 0, space 0, times 0 [ 118.289205][ T4274] CPU: 0 PID: 4274 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 118.291475][ T4274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 118.294083][ T4274] Call trace: [ 118.294969][ T4274] dump_backtrace+0x0/0x530 [ 118.296203][ T4274] show_stack+0x2c/0x3c [ 118.297303][ T4274] dump_stack_lvl+0x108/0x170 [ 118.298536][ T4274] dump_stack+0x1c/0x58 [ 118.299621][ T4274] should_fail+0x400/0x5cc [ 118.300765][ T4274] __should_failslab+0xbc/0x110 [ 118.302046][ T4274] should_failslab+0x10/0x28 [ 118.303234][ T4274] slab_pre_alloc_hook+0x64/0xe8 [ 118.304516][ T4274] __kmalloc_node+0xbc/0x5b8 [ 118.305761][ T4274] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 118.307142][ T4274] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 118.308650][ T4274] nbd_start_device+0x158/0xb34 [ 118.309985][ T4274] nbd_ioctl+0x420/0xc2c [ 118.311160][ T4274] blkdev_ioctl+0x3d8/0xbd0 [ 118.312389][ T4274] block_ioctl+0xa8/0x114 [ 118.313547][ T4274] __arm64_sys_ioctl+0x14c/0x1c8 [ 118.314951][ T4274] invoke_syscall+0x98/0x2b8 [ 118.316154][ T4274] el0_svc_common+0x138/0x258 [ 118.317409][ T4274] do_el0_svc+0x58/0x14c [ 118.318529][ T4274] el0_svc+0x7c/0x1f0 [ 118.319552][ T4274] el0t_64_sync_handler+0x84/0xe4 [ 118.320893][ T4274] el0t_64_sync+0x1a0/0x1a4 [ 118.322270][ T4274] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 118.326497][ T4275] block nbd0: shutting down sockets executing program [ 118.455850][ T4277] FAULT_INJECTION: forcing a failure. [ 118.455850][ T4277] name failslab, interval 1, probability 0, space 0, times 0 [ 118.459273][ T4277] CPU: 0 PID: 4277 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 118.461457][ T4277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 118.464086][ T4277] Call trace: [ 118.464954][ T4277] dump_backtrace+0x0/0x530 [ 118.466178][ T4277] show_stack+0x2c/0x3c [ 118.467273][ T4277] dump_stack_lvl+0x108/0x170 [ 118.468544][ T4277] dump_stack+0x1c/0x58 [ 118.469682][ T4277] should_fail+0x400/0x5cc [ 118.470923][ T4277] __should_failslab+0xbc/0x110 [ 118.472247][ T4277] should_failslab+0x10/0x28 [ 118.473507][ T4277] slab_pre_alloc_hook+0x64/0xe8 [ 118.474814][ T4277] __kmalloc_node+0xbc/0x5b8 [ 118.476033][ T4277] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 118.477462][ T4277] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 118.479032][ T4277] nbd_start_device+0x158/0xb34 [ 118.480269][ T4277] nbd_ioctl+0x420/0xc2c [ 118.481401][ T4277] blkdev_ioctl+0x3d8/0xbd0 [ 118.482594][ T4277] block_ioctl+0xa8/0x114 [ 118.483718][ T4277] __arm64_sys_ioctl+0x14c/0x1c8 [ 118.485026][ T4277] invoke_syscall+0x98/0x2b8 [ 118.486241][ T4277] el0_svc_common+0x138/0x258 [ 118.487501][ T4277] do_el0_svc+0x58/0x14c [ 118.488580][ T4277] el0_svc+0x7c/0x1f0 [ 118.489603][ T4277] el0t_64_sync_handler+0x84/0xe4 [ 118.490966][ T4277] el0t_64_sync+0x1a0/0x1a4 [ 118.492304][ T4277] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 118.496642][ T4278] block nbd0: shutting down sockets executing program [ 118.625733][ T4280] FAULT_INJECTION: forcing a failure. [ 118.625733][ T4280] name failslab, interval 1, probability 0, space 0, times 0 [ 118.629283][ T4280] CPU: 0 PID: 4280 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 118.631640][ T4280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 118.634624][ T4280] Call trace: [ 118.635655][ T4280] dump_backtrace+0x0/0x530 [ 118.636958][ T4280] show_stack+0x2c/0x3c [ 118.638186][ T4280] dump_stack_lvl+0x108/0x170 [ 118.639579][ T4280] dump_stack+0x1c/0x58 [ 118.640780][ T4280] should_fail+0x400/0x5cc [ 118.642070][ T4280] __should_failslab+0xbc/0x110 [ 118.643441][ T4280] should_failslab+0x10/0x28 [ 118.644770][ T4280] slab_pre_alloc_hook+0x64/0xe8 [ 118.646193][ T4280] __kmalloc_node+0xbc/0x5b8 [ 118.647534][ T4280] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 118.649190][ T4280] nbd_start_device+0x158/0xb34 [ 118.650563][ T4280] nbd_ioctl+0x420/0xc2c [ 118.651786][ T4280] blkdev_ioctl+0x3d8/0xbd0 [ 118.653091][ T4280] block_ioctl+0xa8/0x114 [ 118.654387][ T4280] __arm64_sys_ioctl+0x14c/0x1c8 [ 118.655884][ T4280] invoke_syscall+0x98/0x2b8 [ 118.657218][ T4280] el0_svc_common+0x138/0x258 [ 118.658603][ T4280] do_el0_svc+0x58/0x14c [ 118.659839][ T4280] el0_svc+0x7c/0x1f0 [ 118.661027][ T4280] el0t_64_sync_handler+0x84/0xe4 [ 118.662437][ T4280] el0t_64_sync+0x1a0/0x1a4 [ 118.666941][ T4281] block nbd0: shutting down sockets executing program [ 118.795831][ T4283] FAULT_INJECTION: forcing a failure. [ 118.795831][ T4283] name failslab, interval 1, probability 0, space 0, times 0 [ 118.799507][ T4283] CPU: 0 PID: 4283 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 118.801963][ T4283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 118.804974][ T4283] Call trace: [ 118.805940][ T4283] dump_backtrace+0x0/0x530 [ 118.807222][ T4283] show_stack+0x2c/0x3c [ 118.808494][ T4283] dump_stack_lvl+0x108/0x170 [ 118.809848][ T4283] dump_stack+0x1c/0x58 [ 118.811007][ T4283] should_fail+0x400/0x5cc [ 118.812332][ T4283] __should_failslab+0xbc/0x110 [ 118.813670][ T4283] should_failslab+0x10/0x28 [ 118.814990][ T4283] slab_pre_alloc_hook+0x64/0xe8 [ 118.816398][ T4283] __kmalloc_node+0xbc/0x5b8 [ 118.817740][ T4283] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 118.819252][ T4283] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 118.820940][ T4283] nbd_start_device+0x158/0xb34 [ 118.822341][ T4283] nbd_ioctl+0x420/0xc2c [ 118.823574][ T4283] blkdev_ioctl+0x3d8/0xbd0 [ 118.824884][ T4283] block_ioctl+0xa8/0x114 [ 118.826107][ T4283] __arm64_sys_ioctl+0x14c/0x1c8 [ 118.827578][ T4283] invoke_syscall+0x98/0x2b8 [ 118.828922][ T4283] el0_svc_common+0x138/0x258 [ 118.830286][ T4283] do_el0_svc+0x58/0x14c [ 118.831540][ T4283] el0_svc+0x7c/0x1f0 [ 118.832681][ T4283] el0t_64_sync_handler+0x84/0xe4 [ 118.834117][ T4283] el0t_64_sync+0x1a0/0x1a4 [ 118.835601][ T4283] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 118.840105][ T4284] block nbd0: shutting down sockets executing program [ 118.982016][ T4287] block nbd0: Device being setup by another task [ 118.983973][ T4286] FAULT_INJECTION: forcing a failure. [ 118.983973][ T4286] name failslab, interval 1, probability 0, space 0, times 0 [ 118.987385][ T4286] CPU: 0 PID: 4286 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 118.989605][ T4286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 118.992366][ T4286] Call trace: [ 118.993268][ T4286] dump_backtrace+0x0/0x530 [ 118.994506][ T4286] show_stack+0x2c/0x3c [ 118.995672][ T4286] dump_stack_lvl+0x108/0x170 [ 118.996949][ T4286] dump_stack+0x1c/0x58 [ 118.998052][ T4286] should_fail+0x400/0x5cc [ 118.999285][ T4286] __should_failslab+0xbc/0x110 [ 119.000575][ T4286] should_failslab+0x10/0x28 [ 119.001837][ T4286] slab_pre_alloc_hook+0x64/0xe8 [ 119.003266][ T4286] kmem_cache_alloc+0x98/0x45c [ 119.004529][ T4286] new_inode_pseudo+0x110/0x200 [ 119.005827][ T4286] new_inode+0x38/0x174 [ 119.006995][ T4286] debugfs_create_dir+0xf0/0x420 [ 119.008326][ T4286] nbd_start_device+0x3bc/0xb34 [ 119.009688][ T4286] nbd_ioctl+0x420/0xc2c [ 119.010841][ T4286] blkdev_ioctl+0x3d8/0xbd0 [ 119.012034][ T4286] block_ioctl+0xa8/0x114 [ 119.013224][ T4286] __arm64_sys_ioctl+0x14c/0x1c8 [ 119.014554][ T4286] invoke_syscall+0x98/0x2b8 [ 119.015871][ T4286] el0_svc_common+0x138/0x258 [ 119.017192][ T4286] do_el0_svc+0x58/0x14c [ 119.018282][ T4286] el0_svc+0x7c/0x1f0 [ 119.019403][ T4286] el0t_64_sync_handler+0x84/0xe4 [ 119.020820][ T4286] el0t_64_sync+0x1a0/0x1a4 [ 119.022208][ T4286] debugfs: out of free dentries, can not create directory 'nbd0' [ 119.024323][ T4286] block nbd0: Failed to create debugfs dir for 'nbd0' [ 119.026994][ T4287] block nbd0: shutting down sockets executing program [ 119.185917][ T4289] FAULT_INJECTION: forcing a failure. [ 119.185917][ T4289] name failslab, interval 1, probability 0, space 0, times 0 [ 119.189283][ T4289] CPU: 1 PID: 4289 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 119.191513][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 119.194217][ T4289] Call trace: [ 119.195074][ T4289] dump_backtrace+0x0/0x530 [ 119.196215][ T4289] show_stack+0x2c/0x3c [ 119.197318][ T4289] dump_stack_lvl+0x108/0x170 [ 119.198632][ T4289] dump_stack+0x1c/0x58 [ 119.199738][ T4289] should_fail+0x400/0x5cc [ 119.200887][ T4289] __should_failslab+0xbc/0x110 [ 119.202168][ T4289] should_failslab+0x10/0x28 [ 119.203423][ T4289] slab_pre_alloc_hook+0x64/0xe8 [ 119.204720][ T4289] __kmalloc_node+0xbc/0x5b8 [ 119.205961][ T4289] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 119.207360][ T4289] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 119.208880][ T4289] nbd_start_device+0x158/0xb34 [ 119.210129][ T4289] nbd_ioctl+0x420/0xc2c [ 119.211247][ T4289] blkdev_ioctl+0x3d8/0xbd0 [ 119.212363][ T4289] block_ioctl+0xa8/0x114 [ 119.213456][ T4289] __arm64_sys_ioctl+0x14c/0x1c8 [ 119.214762][ T4289] invoke_syscall+0x98/0x2b8 [ 119.215987][ T4289] el0_svc_common+0x138/0x258 [ 119.217205][ T4289] do_el0_svc+0x58/0x14c [ 119.218283][ T4289] el0_svc+0x7c/0x1f0 [ 119.219351][ T4289] el0t_64_sync_handler+0x84/0xe4 [ 119.220624][ T4289] el0t_64_sync+0x1a0/0x1a4 [ 119.222049][ T4289] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 119.226387][ T4290] block nbd0: shutting down sockets executing program [ 119.365750][ T4293] FAULT_INJECTION: forcing a failure. [ 119.365750][ T4293] name failslab, interval 1, probability 0, space 0, times 0 [ 119.369280][ T4293] CPU: 0 PID: 4293 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 119.371492][ T4293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 119.374060][ T4293] Call trace: [ 119.374913][ T4293] dump_backtrace+0x0/0x530 [ 119.376107][ T4293] show_stack+0x2c/0x3c [ 119.377200][ T4293] dump_stack_lvl+0x108/0x170 [ 119.378462][ T4293] dump_stack+0x1c/0x58 [ 119.379561][ T4293] should_fail+0x400/0x5cc [ 119.380757][ T4293] __should_failslab+0xbc/0x110 [ 119.382034][ T4293] should_failslab+0x10/0x28 [ 119.383277][ T4293] slab_pre_alloc_hook+0x64/0xe8 [ 119.384560][ T4293] __kmalloc_node+0xbc/0x5b8 [ 119.385820][ T4293] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 119.387231][ T4293] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 119.388797][ T4293] nbd_start_device+0x158/0xb34 [ 119.390046][ T4293] nbd_ioctl+0x420/0xc2c [ 119.391145][ T4293] blkdev_ioctl+0x3d8/0xbd0 [ 119.392340][ T4293] block_ioctl+0xa8/0x114 [ 119.393501][ T4293] __arm64_sys_ioctl+0x14c/0x1c8 [ 119.394810][ T4293] invoke_syscall+0x98/0x2b8 [ 119.396000][ T4293] el0_svc_common+0x138/0x258 [ 119.397233][ T4293] do_el0_svc+0x58/0x14c [ 119.398377][ T4293] el0_svc+0x7c/0x1f0 [ 119.399416][ T4293] el0t_64_sync_handler+0x84/0xe4 [ 119.400743][ T4293] el0t_64_sync+0x1a0/0x1a4 [ 119.402574][ T4293] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 119.407451][ T4294] block nbd0: shutting down sockets executing program [ 119.535742][ T4296] FAULT_INJECTION: forcing a failure. [ 119.535742][ T4296] name failslab, interval 1, probability 0, space 0, times 0 [ 119.539225][ T4296] CPU: 0 PID: 4296 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 119.541398][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 119.544063][ T4296] Call trace: [ 119.544899][ T4296] dump_backtrace+0x0/0x530 [ 119.546046][ T4296] show_stack+0x2c/0x3c [ 119.547154][ T4296] dump_stack_lvl+0x108/0x170 [ 119.548457][ T4296] dump_stack+0x1c/0x58 [ 119.549528][ T4296] should_fail+0x400/0x5cc [ 119.550731][ T4296] __should_failslab+0xbc/0x110 [ 119.552077][ T4296] should_failslab+0x10/0x28 [ 119.553320][ T4296] slab_pre_alloc_hook+0x64/0xe8 [ 119.554649][ T4296] __kmalloc_node+0xbc/0x5b8 [ 119.555937][ T4296] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 119.557340][ T4296] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 119.558870][ T4296] nbd_start_device+0x158/0xb34 [ 119.560155][ T4296] nbd_ioctl+0x420/0xc2c [ 119.561263][ T4296] blkdev_ioctl+0x3d8/0xbd0 [ 119.562656][ T4296] block_ioctl+0xa8/0x114 [ 119.563833][ T4296] __arm64_sys_ioctl+0x14c/0x1c8 [ 119.565179][ T4296] invoke_syscall+0x98/0x2b8 [ 119.566444][ T4296] el0_svc_common+0x138/0x258 [ 119.567664][ T4296] do_el0_svc+0x58/0x14c [ 119.568817][ T4296] el0_svc+0x7c/0x1f0 [ 119.569933][ T4296] el0t_64_sync_handler+0x84/0xe4 [ 119.571247][ T4296] el0t_64_sync+0x1a0/0x1a4 [ 119.572631][ T4296] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 119.577225][ T4297] block nbd0: shutting down sockets executing program [ 119.715807][ T4299] FAULT_INJECTION: forcing a failure. [ 119.715807][ T4299] name failslab, interval 1, probability 0, space 0, times 0 [ 119.719131][ T4299] CPU: 1 PID: 4299 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 119.721301][ T4299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 119.724002][ T4299] Call trace: [ 119.724888][ T4299] dump_backtrace+0x0/0x530 [ 119.726106][ T4299] show_stack+0x2c/0x3c [ 119.727218][ T4299] dump_stack_lvl+0x108/0x170 [ 119.728517][ T4299] dump_stack+0x1c/0x58 [ 119.729675][ T4299] should_fail+0x400/0x5cc [ 119.730877][ T4299] __should_failslab+0xbc/0x110 [ 119.732209][ T4299] should_failslab+0x10/0x28 [ 119.733438][ T4299] slab_pre_alloc_hook+0x64/0xe8 [ 119.734720][ T4299] __kmalloc_node+0xbc/0x5b8 [ 119.735980][ T4299] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 119.737407][ T4299] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 119.739155][ T4299] nbd_start_device+0x158/0xb34 [ 119.740466][ T4299] nbd_ioctl+0x420/0xc2c [ 119.741616][ T4299] blkdev_ioctl+0x3d8/0xbd0 [ 119.742849][ T4299] block_ioctl+0xa8/0x114 [ 119.743975][ T4299] __arm64_sys_ioctl+0x14c/0x1c8 [ 119.745369][ T4299] invoke_syscall+0x98/0x2b8 [ 119.746624][ T4299] el0_svc_common+0x138/0x258 [ 119.747885][ T4299] do_el0_svc+0x58/0x14c [ 119.748980][ T4299] el0_svc+0x7c/0x1f0 [ 119.750028][ T4299] el0t_64_sync_handler+0x84/0xe4 [ 119.751412][ T4299] el0t_64_sync+0x1a0/0x1a4 [ 119.752814][ T4299] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 119.757200][ T4300] block nbd0: shutting down sockets executing program [ 119.901964][ T4303] block nbd0: Device being setup by another task [ 119.903772][ T4302] FAULT_INJECTION: forcing a failure. [ 119.903772][ T4302] name failslab, interval 1, probability 0, space 0, times 0 [ 119.907147][ T4302] CPU: 0 PID: 4302 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 119.909321][ T4302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 119.911942][ T4302] Call trace: [ 119.912836][ T4302] dump_backtrace+0x0/0x530 [ 119.914067][ T4302] show_stack+0x2c/0x3c [ 119.915216][ T4302] dump_stack_lvl+0x108/0x170 [ 119.916462][ T4302] dump_stack+0x1c/0x58 [ 119.917569][ T4302] should_fail+0x400/0x5cc [ 119.918777][ T4302] __should_failslab+0xbc/0x110 [ 119.920104][ T4302] should_failslab+0x10/0x28 [ 119.921388][ T4302] slab_pre_alloc_hook+0x64/0xe8 [ 119.922765][ T4302] kmem_cache_alloc+0x98/0x45c [ 119.924020][ T4302] new_inode_pseudo+0x110/0x200 [ 119.925379][ T4302] new_inode+0x38/0x174 [ 119.926563][ T4302] debugfs_create_dir+0xf0/0x420 [ 119.927911][ T4302] nbd_start_device+0x3bc/0xb34 [ 119.929286][ T4302] nbd_ioctl+0x420/0xc2c [ 119.930478][ T4302] blkdev_ioctl+0x3d8/0xbd0 [ 119.931713][ T4302] block_ioctl+0xa8/0x114 [ 119.932851][ T4302] __arm64_sys_ioctl+0x14c/0x1c8 [ 119.934187][ T4302] invoke_syscall+0x98/0x2b8 [ 119.935393][ T4302] el0_svc_common+0x138/0x258 [ 119.936591][ T4302] do_el0_svc+0x58/0x14c [ 119.937818][ T4302] el0_svc+0x7c/0x1f0 [ 119.938872][ T4302] el0t_64_sync_handler+0x84/0xe4 [ 119.940200][ T4302] el0t_64_sync+0x1a0/0x1a4 [ 119.941629][ T4302] debugfs: out of free dentries, can not create directory 'nbd0' [ 119.943789][ T4302] block nbd0: Failed to create debugfs dir for 'nbd0' [ 119.946457][ T4303] block nbd0: shutting down sockets executing program [ 120.051907][ T4306] block nbd0: Device being setup by another task [ 120.054375][ T4305] FAULT_INJECTION: forcing a failure. [ 120.054375][ T4305] name failslab, interval 1, probability 0, space 0, times 0 [ 120.057717][ T4305] CPU: 1 PID: 4305 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 120.059968][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.062457][ T4305] Call trace: [ 120.063341][ T4305] dump_backtrace+0x0/0x530 [ 120.064560][ T4305] show_stack+0x2c/0x3c [ 120.065714][ T4305] dump_stack_lvl+0x108/0x170 [ 120.066995][ T4305] dump_stack+0x1c/0x58 [ 120.068104][ T4305] should_fail+0x400/0x5cc [ 120.069299][ T4305] __should_failslab+0xbc/0x110 [ 120.070591][ T4305] should_failslab+0x10/0x28 [ 120.071833][ T4305] slab_pre_alloc_hook+0x64/0xe8 [ 120.073151][ T4305] kmem_cache_alloc+0x98/0x45c [ 120.074464][ T4305] new_inode_pseudo+0x110/0x200 [ 120.075749][ T4305] new_inode+0x38/0x174 [ 120.076821][ T4305] debugfs_create_dir+0xf0/0x420 [ 120.078128][ T4305] nbd_start_device+0x3bc/0xb34 [ 120.079407][ T4305] nbd_ioctl+0x420/0xc2c [ 120.080492][ T4305] blkdev_ioctl+0x3d8/0xbd0 [ 120.081746][ T4305] block_ioctl+0xa8/0x114 [ 120.082908][ T4305] __arm64_sys_ioctl+0x14c/0x1c8 [ 120.084222][ T4305] invoke_syscall+0x98/0x2b8 [ 120.085473][ T4305] el0_svc_common+0x138/0x258 [ 120.086667][ T4305] do_el0_svc+0x58/0x14c [ 120.087805][ T4305] el0_svc+0x7c/0x1f0 [ 120.088863][ T4305] el0t_64_sync_handler+0x84/0xe4 [ 120.090244][ T4305] el0t_64_sync+0x1a0/0x1a4 [ 120.091581][ T4305] debugfs: out of free dentries, can not create directory 'nbd0' [ 120.093845][ T4305] block nbd0: Failed to create debugfs dir for 'nbd0' [ 120.104044][ T4306] block nbd0: shutting down sockets executing program [ 120.245693][ T4308] FAULT_INJECTION: forcing a failure. [ 120.245693][ T4308] name failslab, interval 1, probability 0, space 0, times 0 [ 120.249470][ T4308] CPU: 0 PID: 4308 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 120.251681][ T4308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.254457][ T4308] Call trace: [ 120.255383][ T4308] dump_backtrace+0x0/0x530 [ 120.256616][ T4308] show_stack+0x2c/0x3c [ 120.257734][ T4308] dump_stack_lvl+0x108/0x170 [ 120.258997][ T4308] dump_stack+0x1c/0x58 [ 120.260139][ T4308] should_fail+0x400/0x5cc [ 120.261353][ T4308] __should_failslab+0xbc/0x110 [ 120.262625][ T4308] should_failslab+0x10/0x28 [ 120.263793][ T4308] slab_pre_alloc_hook+0x64/0xe8 [ 120.265104][ T4308] __kmalloc_node+0xbc/0x5b8 [ 120.266308][ T4308] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 120.267796][ T4308] nbd_start_device+0x158/0xb34 [ 120.269050][ T4308] nbd_ioctl+0x420/0xc2c [ 120.270198][ T4308] blkdev_ioctl+0x3d8/0xbd0 [ 120.271359][ T4308] block_ioctl+0xa8/0x114 [ 120.272517][ T4308] __arm64_sys_ioctl+0x14c/0x1c8 [ 120.273845][ T4308] invoke_syscall+0x98/0x2b8 [ 120.275105][ T4308] el0_svc_common+0x138/0x258 [ 120.276435][ T4308] do_el0_svc+0x58/0x14c [ 120.277627][ T4308] el0_svc+0x7c/0x1f0 [ 120.278741][ T4308] el0t_64_sync_handler+0x84/0xe4 [ 120.280177][ T4308] el0t_64_sync+0x1a0/0x1a4 [ 120.285276][ T4309] block nbd0: shutting down sockets executing program [ 120.425696][ T4311] FAULT_INJECTION: forcing a failure. [ 120.425696][ T4311] name failslab, interval 1, probability 0, space 0, times 0 [ 120.429082][ T4311] CPU: 0 PID: 4311 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 120.431370][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.434215][ T4311] Call trace: [ 120.435127][ T4311] dump_backtrace+0x0/0x530 [ 120.436379][ T4311] show_stack+0x2c/0x3c [ 120.437500][ T4311] dump_stack_lvl+0x108/0x170 [ 120.438842][ T4311] dump_stack+0x1c/0x58 [ 120.439971][ T4311] should_fail+0x400/0x5cc [ 120.441155][ T4311] __should_failslab+0xbc/0x110 [ 120.442482][ T4311] should_failslab+0x10/0x28 [ 120.443757][ T4311] slab_pre_alloc_hook+0x64/0xe8 [ 120.445100][ T4311] __kmalloc_node+0xbc/0x5b8 [ 120.446323][ T4311] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 120.447767][ T4311] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 120.449302][ T4311] nbd_start_device+0x158/0xb34 [ 120.450627][ T4311] nbd_ioctl+0x420/0xc2c [ 120.451757][ T4311] blkdev_ioctl+0x3d8/0xbd0 [ 120.452951][ T4311] block_ioctl+0xa8/0x114 [ 120.454169][ T4311] __arm64_sys_ioctl+0x14c/0x1c8 [ 120.455475][ T4311] invoke_syscall+0x98/0x2b8 [ 120.456758][ T4311] el0_svc_common+0x138/0x258 [ 120.457984][ T4311] do_el0_svc+0x58/0x14c [ 120.459109][ T4311] el0_svc+0x7c/0x1f0 [ 120.460143][ T4311] el0t_64_sync_handler+0x84/0xe4 [ 120.461491][ T4311] el0t_64_sync+0x1a0/0x1a4 [ 120.462909][ T4311] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 120.467201][ T4312] block nbd0: shutting down sockets executing program [ 120.616068][ T4315] FAULT_INJECTION: forcing a failure. [ 120.616068][ T4315] name failslab, interval 1, probability 0, space 0, times 0 [ 120.619436][ T4315] CPU: 1 PID: 4315 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 120.621651][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.624224][ T4315] Call trace: [ 120.625057][ T4315] dump_backtrace+0x0/0x530 [ 120.626230][ T4315] show_stack+0x2c/0x3c [ 120.627303][ T4315] dump_stack_lvl+0x108/0x170 [ 120.628542][ T4315] dump_stack+0x1c/0x58 [ 120.629634][ T4315] should_fail+0x400/0x5cc [ 120.630853][ T4315] __should_failslab+0xbc/0x110 [ 120.632107][ T4315] should_failslab+0x10/0x28 [ 120.633327][ T4315] slab_pre_alloc_hook+0x64/0xe8 [ 120.634663][ T4315] __kmalloc_node+0xbc/0x5b8 [ 120.635837][ T4315] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 120.637225][ T4315] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 120.638758][ T4315] nbd_start_device+0x158/0xb34 [ 120.640091][ T4315] nbd_ioctl+0x420/0xc2c [ 120.641184][ T4315] blkdev_ioctl+0x3d8/0xbd0 [ 120.642391][ T4315] block_ioctl+0xa8/0x114 [ 120.643538][ T4315] __arm64_sys_ioctl+0x14c/0x1c8 [ 120.644821][ T4315] invoke_syscall+0x98/0x2b8 [ 120.646027][ T4315] el0_svc_common+0x138/0x258 [ 120.647281][ T4315] do_el0_svc+0x58/0x14c [ 120.648408][ T4315] el0_svc+0x7c/0x1f0 [ 120.649415][ T4315] el0t_64_sync_handler+0x84/0xe4 [ 120.650773][ T4315] el0t_64_sync+0x1a0/0x1a4 [ 120.652144][ T4315] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 120.656900][ T4314] block nbd0: shutting down sockets executing program [ 120.795662][ T4317] FAULT_INJECTION: forcing a failure. [ 120.795662][ T4317] name failslab, interval 1, probability 0, space 0, times 0 [ 120.799020][ T4317] CPU: 1 PID: 4317 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 120.801177][ T4317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.803817][ T4317] Call trace: [ 120.804658][ T4317] dump_backtrace+0x0/0x530 [ 120.805872][ T4317] show_stack+0x2c/0x3c [ 120.806989][ T4317] dump_stack_lvl+0x108/0x170 [ 120.808236][ T4317] dump_stack+0x1c/0x58 [ 120.809350][ T4317] should_fail+0x400/0x5cc [ 120.810580][ T4317] __should_failslab+0xbc/0x110 [ 120.811944][ T4317] should_failslab+0x10/0x28 [ 120.813184][ T4317] slab_pre_alloc_hook+0x64/0xe8 [ 120.814486][ T4317] __kmalloc_node+0xbc/0x5b8 [ 120.815751][ T4317] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 120.817222][ T4317] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 120.818774][ T4317] nbd_start_device+0x158/0xb34 [ 120.820108][ T4317] nbd_ioctl+0x420/0xc2c [ 120.821272][ T4317] blkdev_ioctl+0x3d8/0xbd0 [ 120.822489][ T4317] block_ioctl+0xa8/0x114 [ 120.823716][ T4317] __arm64_sys_ioctl+0x14c/0x1c8 [ 120.825038][ T4317] invoke_syscall+0x98/0x2b8 [ 120.826299][ T4317] el0_svc_common+0x138/0x258 [ 120.827554][ T4317] do_el0_svc+0x58/0x14c [ 120.828627][ T4317] el0_svc+0x7c/0x1f0 [ 120.829668][ T4317] el0t_64_sync_handler+0x84/0xe4 [ 120.831002][ T4317] el0t_64_sync+0x1a0/0x1a4 [ 120.832361][ T4317] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 120.836627][ T4318] block nbd0: shutting down sockets executing program [ 120.975970][ T4320] FAULT_INJECTION: forcing a failure. [ 120.975970][ T4320] name failslab, interval 1, probability 0, space 0, times 0 [ 120.979459][ T4320] CPU: 1 PID: 4320 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 120.981756][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 120.984439][ T4320] Call trace: [ 120.985296][ T4320] dump_backtrace+0x0/0x530 [ 120.986481][ T4320] show_stack+0x2c/0x3c [ 120.987616][ T4320] dump_stack_lvl+0x108/0x170 [ 120.988817][ T4320] dump_stack+0x1c/0x58 [ 120.989951][ T4320] should_fail+0x400/0x5cc [ 120.991160][ T4320] __should_failslab+0xbc/0x110 [ 120.992532][ T4320] should_failslab+0x10/0x28 [ 120.993784][ T4320] slab_pre_alloc_hook+0x64/0xe8 [ 120.995139][ T4320] __kmalloc_node+0xbc/0x5b8 [ 120.996391][ T4320] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 120.997823][ T4320] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 120.999322][ T4320] nbd_start_device+0x158/0xb34 [ 121.000623][ T4320] nbd_ioctl+0x420/0xc2c [ 121.001713][ T4320] blkdev_ioctl+0x3d8/0xbd0 [ 121.002891][ T4320] block_ioctl+0xa8/0x114 [ 121.003999][ T4320] __arm64_sys_ioctl+0x14c/0x1c8 [ 121.005247][ T4320] invoke_syscall+0x98/0x2b8 [ 121.006435][ T4320] el0_svc_common+0x138/0x258 [ 121.007660][ T4320] do_el0_svc+0x58/0x14c [ 121.008784][ T4320] el0_svc+0x7c/0x1f0 [ 121.009786][ T4320] el0t_64_sync_handler+0x84/0xe4 [ 121.011148][ T4320] el0t_64_sync+0x1a0/0x1a4 [ 121.012400][ T4320] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 121.016835][ T4321] block nbd0: shutting down sockets executing program [ 121.165870][ T4323] FAULT_INJECTION: forcing a failure. [ 121.165870][ T4323] name failslab, interval 1, probability 0, space 0, times 0 [ 121.169101][ T4323] CPU: 1 PID: 4323 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 121.171277][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 121.173961][ T4323] Call trace: [ 121.174856][ T4323] dump_backtrace+0x0/0x530 [ 121.176170][ T4323] show_stack+0x2c/0x3c [ 121.177315][ T4323] dump_stack_lvl+0x108/0x170 [ 121.178566][ T4323] dump_stack+0x1c/0x58 [ 121.179685][ T4323] should_fail+0x400/0x5cc [ 121.180869][ T4323] __should_failslab+0xbc/0x110 [ 121.182183][ T4323] should_failslab+0x10/0x28 [ 121.183420][ T4323] slab_pre_alloc_hook+0x64/0xe8 [ 121.184789][ T4323] __kmalloc_node+0xbc/0x5b8 [ 121.186049][ T4323] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 121.187476][ T4323] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 121.189111][ T4323] nbd_start_device+0x158/0xb34 [ 121.190456][ T4323] nbd_ioctl+0x420/0xc2c [ 121.191576][ T4323] blkdev_ioctl+0x3d8/0xbd0 [ 121.192710][ T4323] block_ioctl+0xa8/0x114 [ 121.193844][ T4323] __arm64_sys_ioctl+0x14c/0x1c8 [ 121.195131][ T4323] invoke_syscall+0x98/0x2b8 [ 121.196372][ T4323] el0_svc_common+0x138/0x258 [ 121.197624][ T4323] do_el0_svc+0x58/0x14c [ 121.198807][ T4323] el0_svc+0x7c/0x1f0 [ 121.199898][ T4323] el0t_64_sync_handler+0x84/0xe4 [ 121.201207][ T4323] el0t_64_sync+0x1a0/0x1a4 [ 121.203152][ T4323] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 121.207585][ T4324] block nbd0: shutting down sockets executing program [ 121.321907][ T4327] block nbd0: Device being setup by another task [ 121.324465][ T4326] FAULT_INJECTION: forcing a failure. [ 121.324465][ T4326] name failslab, interval 1, probability 0, space 0, times 0 [ 121.327788][ T4326] CPU: 1 PID: 4326 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 121.330047][ T4326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 121.332621][ T4326] Call trace: [ 121.333433][ T4326] dump_backtrace+0x0/0x530 [ 121.334619][ T4326] show_stack+0x2c/0x3c [ 121.335767][ T4326] dump_stack_lvl+0x108/0x170 [ 121.336988][ T4326] dump_stack+0x1c/0x58 [ 121.338118][ T4326] should_fail+0x400/0x5cc [ 121.339280][ T4326] __should_failslab+0xbc/0x110 [ 121.340491][ T4326] should_failslab+0x10/0x28 [ 121.341727][ T4326] slab_pre_alloc_hook+0x64/0xe8 [ 121.343110][ T4326] kmem_cache_alloc+0x98/0x45c [ 121.344453][ T4326] new_inode_pseudo+0x110/0x200 [ 121.345719][ T4326] new_inode+0x38/0x174 [ 121.346788][ T4326] debugfs_create_dir+0xf0/0x420 [ 121.348050][ T4326] nbd_start_device+0x3bc/0xb34 [ 121.349342][ T4326] nbd_ioctl+0x420/0xc2c [ 121.350442][ T4326] blkdev_ioctl+0x3d8/0xbd0 [ 121.351597][ T4326] block_ioctl+0xa8/0x114 [ 121.352727][ T4326] __arm64_sys_ioctl+0x14c/0x1c8 [ 121.353993][ T4326] invoke_syscall+0x98/0x2b8 [ 121.355193][ T4326] el0_svc_common+0x138/0x258 [ 121.356457][ T4326] do_el0_svc+0x58/0x14c [ 121.357591][ T4326] el0_svc+0x7c/0x1f0 [ 121.358671][ T4326] el0t_64_sync_handler+0x84/0xe4 [ 121.359986][ T4326] el0t_64_sync+0x1a0/0x1a4 [ 121.361399][ T4326] debugfs: out of free dentries, can not create directory 'nbd0' [ 121.363530][ T4326] block nbd0: Failed to create debugfs dir for 'nbd0' [ 121.374944][ T4327] block nbd0: shutting down sockets executing program [ 121.525693][ T4329] FAULT_INJECTION: forcing a failure. [ 121.525693][ T4329] name failslab, interval 1, probability 0, space 0, times 0 [ 121.529103][ T4329] CPU: 1 PID: 4329 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 121.531270][ T4329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 121.533967][ T4329] Call trace: [ 121.534819][ T4329] dump_backtrace+0x0/0x530 [ 121.535983][ T4329] show_stack+0x2c/0x3c [ 121.537094][ T4329] dump_stack_lvl+0x108/0x170 [ 121.538372][ T4329] dump_stack+0x1c/0x58 [ 121.539574][ T4329] should_fail+0x400/0x5cc [ 121.540754][ T4329] __should_failslab+0xbc/0x110 [ 121.542055][ T4329] should_failslab+0x10/0x28 [ 121.543337][ T4329] slab_pre_alloc_hook+0x64/0xe8 [ 121.544713][ T4329] __kmalloc_node+0xbc/0x5b8 [ 121.546046][ T4329] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 121.547526][ T4329] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 121.549101][ T4329] nbd_start_device+0x158/0xb34 [ 121.550374][ T4329] nbd_ioctl+0x420/0xc2c [ 121.551484][ T4329] blkdev_ioctl+0x3d8/0xbd0 [ 121.552658][ T4329] block_ioctl+0xa8/0x114 [ 121.553880][ T4329] __arm64_sys_ioctl+0x14c/0x1c8 [ 121.555268][ T4329] invoke_syscall+0x98/0x2b8 [ 121.556629][ T4329] el0_svc_common+0x138/0x258 [ 121.557996][ T4329] do_el0_svc+0x58/0x14c [ 121.559146][ T4329] el0_svc+0x7c/0x1f0 [ 121.560317][ T4329] el0t_64_sync_handler+0x84/0xe4 [ 121.561648][ T4329] el0t_64_sync+0x1a0/0x1a4 [ 121.563141][ T4329] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 121.567569][ T4330] block nbd0: shutting down sockets executing program [ 121.695690][ T4333] FAULT_INJECTION: forcing a failure. [ 121.695690][ T4333] name failslab, interval 1, probability 0, space 0, times 0 [ 121.698989][ T4333] CPU: 1 PID: 4333 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 121.701219][ T4333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 121.703960][ T4333] Call trace: [ 121.704834][ T4333] dump_backtrace+0x0/0x530 [ 121.706072][ T4333] show_stack+0x2c/0x3c [ 121.707171][ T4333] dump_stack_lvl+0x108/0x170 [ 121.708367][ T4333] dump_stack+0x1c/0x58 [ 121.709498][ T4333] should_fail+0x400/0x5cc [ 121.710734][ T4333] __should_failslab+0xbc/0x110 [ 121.712010][ T4333] should_failslab+0x10/0x28 [ 121.713243][ T4333] slab_pre_alloc_hook+0x64/0xe8 [ 121.714521][ T4333] __kmalloc_node+0xbc/0x5b8 [ 121.715742][ T4333] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 121.717114][ T4333] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 121.718721][ T4333] nbd_start_device+0x158/0xb34 [ 121.720035][ T4333] nbd_ioctl+0x420/0xc2c [ 121.721199][ T4333] blkdev_ioctl+0x3d8/0xbd0 [ 121.722435][ T4333] block_ioctl+0xa8/0x114 [ 121.723635][ T4333] __arm64_sys_ioctl+0x14c/0x1c8 [ 121.725048][ T4333] invoke_syscall+0x98/0x2b8 [ 121.726240][ T4333] el0_svc_common+0x138/0x258 [ 121.727521][ T4333] do_el0_svc+0x58/0x14c [ 121.728713][ T4333] el0_svc+0x7c/0x1f0 [ 121.729807][ T4333] el0t_64_sync_handler+0x84/0xe4 [ 121.731204][ T4333] el0t_64_sync+0x1a0/0x1a4 [ 121.732586][ T4333] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 121.736914][ T4334] block nbd0: shutting down sockets executing program [ 121.885690][ T4336] FAULT_INJECTION: forcing a failure. [ 121.885690][ T4336] name failslab, interval 1, probability 0, space 0, times 0 [ 121.889111][ T4336] CPU: 1 PID: 4336 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 121.891273][ T4336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 121.893941][ T4336] Call trace: [ 121.894849][ T4336] dump_backtrace+0x0/0x530 [ 121.896117][ T4336] show_stack+0x2c/0x3c [ 121.897217][ T4336] dump_stack_lvl+0x108/0x170 [ 121.898435][ T4336] dump_stack+0x1c/0x58 [ 121.899520][ T4336] should_fail+0x400/0x5cc [ 121.900688][ T4336] __should_failslab+0xbc/0x110 [ 121.901985][ T4336] should_failslab+0x10/0x28 [ 121.903223][ T4336] slab_pre_alloc_hook+0x64/0xe8 [ 121.904522][ T4336] __kmalloc_node+0xbc/0x5b8 [ 121.905755][ T4336] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 121.907216][ T4336] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 121.908724][ T4336] nbd_start_device+0x158/0xb34 [ 121.909985][ T4336] nbd_ioctl+0x420/0xc2c [ 121.911180][ T4336] blkdev_ioctl+0x3d8/0xbd0 [ 121.912363][ T4336] block_ioctl+0xa8/0x114 [ 121.913548][ T4336] __arm64_sys_ioctl+0x14c/0x1c8 [ 121.914886][ T4336] invoke_syscall+0x98/0x2b8 [ 121.916100][ T4336] el0_svc_common+0x138/0x258 [ 121.917374][ T4336] do_el0_svc+0x58/0x14c [ 121.918487][ T4336] el0_svc+0x7c/0x1f0 [ 121.919536][ T4336] el0t_64_sync_handler+0x84/0xe4 [ 121.920912][ T4336] el0t_64_sync+0x1a0/0x1a4 [ 121.922197][ T4336] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 121.926686][ T4337] block nbd0: shutting down sockets executing program [ 122.031910][ T4341] block nbd0: Device being setup by another task [ 122.035393][ T4340] FAULT_INJECTION: forcing a failure. [ 122.035393][ T4340] name failslab, interval 1, probability 0, space 0, times 0 [ 122.038788][ T4340] CPU: 1 PID: 4340 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 122.041032][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.043934][ T4340] Call trace: [ 122.044831][ T4340] dump_backtrace+0x0/0x530 [ 122.046026][ T4340] show_stack+0x2c/0x3c [ 122.047115][ T4340] dump_stack_lvl+0x108/0x170 [ 122.048365][ T4340] dump_stack+0x1c/0x58 [ 122.049479][ T4340] should_fail+0x400/0x5cc [ 122.050672][ T4340] __should_failslab+0xbc/0x110 [ 122.051939][ T4340] should_failslab+0x10/0x28 [ 122.053200][ T4340] slab_pre_alloc_hook+0x64/0xe8 [ 122.054453][ T4340] kmem_cache_alloc+0x98/0x45c [ 122.055688][ T4340] new_inode_pseudo+0x110/0x200 [ 122.057016][ T4340] new_inode+0x38/0x174 [ 122.058099][ T4340] debugfs_create_dir+0xf0/0x420 [ 122.059452][ T4340] nbd_start_device+0x3bc/0xb34 [ 122.060725][ T4340] nbd_ioctl+0x420/0xc2c [ 122.061815][ T4340] blkdev_ioctl+0x3d8/0xbd0 [ 122.062969][ T4340] block_ioctl+0xa8/0x114 [ 122.064117][ T4340] __arm64_sys_ioctl+0x14c/0x1c8 [ 122.065393][ T4340] invoke_syscall+0x98/0x2b8 [ 122.066611][ T4340] el0_svc_common+0x138/0x258 [ 122.067835][ T4340] do_el0_svc+0x58/0x14c [ 122.068955][ T4340] el0_svc+0x7c/0x1f0 [ 122.070026][ T4340] el0t_64_sync_handler+0x84/0xe4 [ 122.071359][ T4340] el0t_64_sync+0x1a0/0x1a4 [ 122.072657][ T4340] debugfs: out of free dentries, can not create directory 'nbd0' [ 122.074752][ T4340] block nbd0: Failed to create debugfs dir for 'nbd0' [ 122.085026][ T4341] block nbd0: shutting down sockets executing program [ 122.215789][ T4343] FAULT_INJECTION: forcing a failure. [ 122.215789][ T4343] name failslab, interval 1, probability 0, space 0, times 0 [ 122.219144][ T4343] CPU: 1 PID: 4343 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 122.221317][ T4343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.223943][ T4343] Call trace: [ 122.224813][ T4343] dump_backtrace+0x0/0x530 [ 122.226085][ T4343] show_stack+0x2c/0x3c [ 122.227208][ T4343] dump_stack_lvl+0x108/0x170 [ 122.228439][ T4343] dump_stack+0x1c/0x58 [ 122.229514][ T4343] should_fail+0x400/0x5cc [ 122.230694][ T4343] __should_failslab+0xbc/0x110 [ 122.232017][ T4343] should_failslab+0x10/0x28 [ 122.233296][ T4343] slab_pre_alloc_hook+0x64/0xe8 [ 122.234572][ T4343] __kmalloc_node+0xbc/0x5b8 [ 122.235800][ T4343] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 122.237206][ T4343] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 122.238727][ T4343] nbd_start_device+0x158/0xb34 [ 122.239995][ T4343] nbd_ioctl+0x420/0xc2c [ 122.241108][ T4343] blkdev_ioctl+0x3d8/0xbd0 [ 122.242275][ T4343] block_ioctl+0xa8/0x114 [ 122.243417][ T4343] __arm64_sys_ioctl+0x14c/0x1c8 [ 122.244713][ T4343] invoke_syscall+0x98/0x2b8 [ 122.245957][ T4343] el0_svc_common+0x138/0x258 [ 122.247168][ T4343] do_el0_svc+0x58/0x14c [ 122.248321][ T4343] el0_svc+0x7c/0x1f0 [ 122.249363][ T4343] el0t_64_sync_handler+0x84/0xe4 [ 122.250695][ T4343] el0t_64_sync+0x1a0/0x1a4 [ 122.252148][ T4343] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 122.256731][ T4344] block nbd0: shutting down sockets executing program [ 122.405740][ T4346] FAULT_INJECTION: forcing a failure. [ 122.405740][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 122.409174][ T4346] CPU: 0 PID: 4346 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 122.411455][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.414185][ T4346] Call trace: [ 122.415064][ T4346] dump_backtrace+0x0/0x530 [ 122.416311][ T4346] show_stack+0x2c/0x3c [ 122.417526][ T4346] dump_stack_lvl+0x108/0x170 [ 122.418871][ T4346] dump_stack+0x1c/0x58 [ 122.419965][ T4346] should_fail+0x400/0x5cc [ 122.421183][ T4346] __should_failslab+0xbc/0x110 [ 122.422498][ T4346] should_failslab+0x10/0x28 [ 122.423713][ T4346] slab_pre_alloc_hook+0x64/0xe8 [ 122.425068][ T4346] __kmalloc_node+0xbc/0x5b8 [ 122.426361][ T4346] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 122.427843][ T4346] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 122.429408][ T4346] nbd_start_device+0x158/0xb34 [ 122.430724][ T4346] nbd_ioctl+0x420/0xc2c [ 122.431894][ T4346] blkdev_ioctl+0x3d8/0xbd0 [ 122.433087][ T4346] block_ioctl+0xa8/0x114 [ 122.434293][ T4346] __arm64_sys_ioctl+0x14c/0x1c8 [ 122.435641][ T4346] invoke_syscall+0x98/0x2b8 [ 122.436917][ T4346] el0_svc_common+0x138/0x258 [ 122.438161][ T4346] do_el0_svc+0x58/0x14c [ 122.439375][ T4346] el0_svc+0x7c/0x1f0 [ 122.440391][ T4346] el0t_64_sync_handler+0x84/0xe4 [ 122.441805][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 122.443111][ T4346] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 122.451957][ T4347] block nbd0: shutting down sockets executing program [ 122.581970][ T4351] block nbd0: Device being setup by another task [ 122.583779][ T4350] FAULT_INJECTION: forcing a failure. [ 122.583779][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 122.587106][ T4350] CPU: 0 PID: 4350 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 122.589389][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.592110][ T4350] Call trace: [ 122.592985][ T4350] dump_backtrace+0x0/0x530 [ 122.594242][ T4350] show_stack+0x2c/0x3c [ 122.595381][ T4350] dump_stack_lvl+0x108/0x170 [ 122.596736][ T4350] dump_stack+0x1c/0x58 [ 122.597899][ T4350] should_fail+0x400/0x5cc [ 122.599115][ T4350] __should_failslab+0xbc/0x110 [ 122.600433][ T4350] should_failslab+0x10/0x28 [ 122.601738][ T4350] slab_pre_alloc_hook+0x64/0xe8 [ 122.603105][ T4350] kmem_cache_alloc+0x98/0x45c [ 122.604410][ T4350] __d_alloc+0x3c/0x6a8 [ 122.605517][ T4350] d_alloc_parallel+0xb8/0x11bc [ 122.606813][ T4350] __lookup_slow+0x108/0x388 [ 122.608104][ T4350] lookup_one_len+0x178/0x28c [ 122.609422][ T4350] start_creating+0x19c/0x2e0 [ 122.610761][ T4350] debugfs_create_dir+0x34/0x420 [ 122.612125][ T4350] nbd_start_device+0x3bc/0xb34 [ 122.613445][ T4350] nbd_ioctl+0x420/0xc2c [ 122.614565][ T4350] blkdev_ioctl+0x3d8/0xbd0 [ 122.615806][ T4350] block_ioctl+0xa8/0x114 [ 122.616999][ T4350] __arm64_sys_ioctl+0x14c/0x1c8 [ 122.618305][ T4350] invoke_syscall+0x98/0x2b8 [ 122.619614][ T4350] el0_svc_common+0x138/0x258 [ 122.620832][ T4350] do_el0_svc+0x58/0x14c [ 122.621980][ T4350] el0_svc+0x7c/0x1f0 [ 122.623083][ T4350] el0t_64_sync_handler+0x84/0xe4 [ 122.624432][ T4350] el0t_64_sync+0x1a0/0x1a4 [ 122.625804][ T4350] block nbd0: Failed to create debugfs dir for 'nbd0' [ 122.628096][ T4351] block nbd0: shutting down sockets executing program [ 122.765857][ T4353] FAULT_INJECTION: forcing a failure. [ 122.765857][ T4353] name failslab, interval 1, probability 0, space 0, times 0 [ 122.769225][ T4353] CPU: 1 PID: 4353 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 122.771434][ T4353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.774216][ T4353] Call trace: [ 122.775048][ T4353] dump_backtrace+0x0/0x530 [ 122.776296][ T4353] show_stack+0x2c/0x3c [ 122.777421][ T4353] dump_stack_lvl+0x108/0x170 [ 122.778696][ T4353] dump_stack+0x1c/0x58 [ 122.779806][ T4353] should_fail+0x400/0x5cc [ 122.781013][ T4353] __should_failslab+0xbc/0x110 [ 122.782308][ T4353] should_failslab+0x10/0x28 [ 122.783565][ T4353] slab_pre_alloc_hook+0x64/0xe8 [ 122.784919][ T4353] __kmalloc_node+0xbc/0x5b8 [ 122.786107][ T4353] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 122.787560][ T4353] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 122.789109][ T4353] nbd_start_device+0x158/0xb34 [ 122.790470][ T4353] nbd_ioctl+0x420/0xc2c [ 122.791614][ T4353] blkdev_ioctl+0x3d8/0xbd0 [ 122.792815][ T4353] block_ioctl+0xa8/0x114 [ 122.793960][ T4353] __arm64_sys_ioctl+0x14c/0x1c8 [ 122.795289][ T4353] invoke_syscall+0x98/0x2b8 [ 122.796496][ T4353] el0_svc_common+0x138/0x258 [ 122.797750][ T4353] do_el0_svc+0x58/0x14c [ 122.798868][ T4353] el0_svc+0x7c/0x1f0 [ 122.799934][ T4353] el0t_64_sync_handler+0x84/0xe4 [ 122.801266][ T4353] el0t_64_sync+0x1a0/0x1a4 [ 122.802693][ T4353] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 122.807584][ T4354] block nbd0: shutting down sockets executing program [ 122.975785][ T4357] FAULT_INJECTION: forcing a failure. [ 122.975785][ T4357] name failslab, interval 1, probability 0, space 0, times 0 [ 122.979223][ T4357] CPU: 1 PID: 4357 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 122.981437][ T4357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 122.984045][ T4357] Call trace: [ 122.984880][ T4357] dump_backtrace+0x0/0x530 [ 122.986052][ T4357] show_stack+0x2c/0x3c [ 122.987152][ T4357] dump_stack_lvl+0x108/0x170 [ 122.988382][ T4357] dump_stack+0x1c/0x58 [ 122.989489][ T4357] should_fail+0x400/0x5cc [ 122.990628][ T4357] __should_failslab+0xbc/0x110 [ 122.991888][ T4357] should_failslab+0x10/0x28 [ 122.993091][ T4357] slab_pre_alloc_hook+0x64/0xe8 [ 122.994361][ T4357] __kmalloc_node+0xbc/0x5b8 [ 122.995630][ T4357] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 122.996988][ T4357] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 122.998474][ T4357] nbd_start_device+0x158/0xb34 [ 122.999817][ T4357] nbd_ioctl+0x420/0xc2c [ 123.000934][ T4357] blkdev_ioctl+0x3d8/0xbd0 [ 123.002132][ T4357] block_ioctl+0xa8/0x114 [ 123.003232][ T4357] __arm64_sys_ioctl+0x14c/0x1c8 [ 123.004482][ T4357] invoke_syscall+0x98/0x2b8 [ 123.005676][ T4357] el0_svc_common+0x138/0x258 [ 123.006911][ T4357] do_el0_svc+0x58/0x14c [ 123.008047][ T4357] el0_svc+0x7c/0x1f0 [ 123.009112][ T4357] el0t_64_sync_handler+0x84/0xe4 [ 123.010411][ T4357] el0t_64_sync+0x1a0/0x1a4 [ 123.011877][ T4357] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 123.016871][ T4356] block nbd0: shutting down sockets executing program [ 123.145673][ T4360] FAULT_INJECTION: forcing a failure. [ 123.145673][ T4360] name failslab, interval 1, probability 0, space 0, times 0 [ 123.149073][ T4360] CPU: 1 PID: 4360 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 123.151310][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 123.153975][ T4360] Call trace: [ 123.154828][ T4360] dump_backtrace+0x0/0x530 [ 123.156007][ T4360] show_stack+0x2c/0x3c [ 123.157170][ T4360] dump_stack_lvl+0x108/0x170 [ 123.158407][ T4360] dump_stack+0x1c/0x58 [ 123.159467][ T4360] should_fail+0x400/0x5cc [ 123.160605][ T4360] __should_failslab+0xbc/0x110 [ 123.161908][ T4360] should_failslab+0x10/0x28 [ 123.163141][ T4360] slab_pre_alloc_hook+0x64/0xe8 [ 123.164464][ T4360] __kmalloc_node+0xbc/0x5b8 [ 123.165727][ T4360] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 123.167212][ T4360] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 123.168717][ T4360] nbd_start_device+0x158/0xb34 [ 123.169964][ T4360] nbd_ioctl+0x420/0xc2c [ 123.171079][ T4360] blkdev_ioctl+0x3d8/0xbd0 [ 123.172295][ T4360] block_ioctl+0xa8/0x114 [ 123.173458][ T4360] __arm64_sys_ioctl+0x14c/0x1c8 [ 123.174720][ T4360] invoke_syscall+0x98/0x2b8 [ 123.175921][ T4360] el0_svc_common+0x138/0x258 [ 123.177146][ T4360] do_el0_svc+0x58/0x14c [ 123.178201][ T4360] el0_svc+0x7c/0x1f0 [ 123.179273][ T4360] el0t_64_sync_handler+0x84/0xe4 [ 123.180617][ T4360] el0t_64_sync+0x1a0/0x1a4 [ 123.181987][ T4360] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 123.186327][ T4361] block nbd0: shutting down sockets executing program [ 123.325710][ T4363] FAULT_INJECTION: forcing a failure. [ 123.325710][ T4363] name failslab, interval 1, probability 0, space 0, times 0 [ 123.328955][ T4363] CPU: 0 PID: 4363 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 123.331198][ T4363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 123.333828][ T4363] Call trace: [ 123.334717][ T4363] dump_backtrace+0x0/0x530 [ 123.335938][ T4363] show_stack+0x2c/0x3c [ 123.337057][ T4363] dump_stack_lvl+0x108/0x170 [ 123.338232][ T4363] dump_stack+0x1c/0x58 [ 123.339355][ T4363] should_fail+0x400/0x5cc [ 123.340561][ T4363] __should_failslab+0xbc/0x110 [ 123.341858][ T4363] should_failslab+0x10/0x28 [ 123.343086][ T4363] slab_pre_alloc_hook+0x64/0xe8 [ 123.344404][ T4363] __kmalloc_node+0xbc/0x5b8 [ 123.345620][ T4363] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 123.347063][ T4363] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 123.348572][ T4363] nbd_start_device+0x158/0xb34 [ 123.349874][ T4363] nbd_ioctl+0x420/0xc2c [ 123.350961][ T4363] blkdev_ioctl+0x3d8/0xbd0 [ 123.352025][ T4363] block_ioctl+0xa8/0x114 [ 123.353187][ T4363] __arm64_sys_ioctl+0x14c/0x1c8 [ 123.354490][ T4363] invoke_syscall+0x98/0x2b8 [ 123.355756][ T4363] el0_svc_common+0x138/0x258 [ 123.357015][ T4363] do_el0_svc+0x58/0x14c [ 123.358122][ T4363] el0_svc+0x7c/0x1f0 [ 123.359182][ T4363] el0t_64_sync_handler+0x84/0xe4 [ 123.360485][ T4363] el0t_64_sync+0x1a0/0x1a4 [ 123.361897][ T4363] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 123.366239][ T4364] block nbd0: shutting down sockets executing program [ 123.525865][ T4367] FAULT_INJECTION: forcing a failure. [ 123.525865][ T4367] name failslab, interval 1, probability 0, space 0, times 0 [ 123.529364][ T4367] CPU: 0 PID: 4367 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 123.531529][ T4367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 123.534183][ T4367] Call trace: [ 123.535074][ T4367] dump_backtrace+0x0/0x530 [ 123.536239][ T4367] show_stack+0x2c/0x3c [ 123.537304][ T4367] dump_stack_lvl+0x108/0x170 [ 123.538527][ T4367] dump_stack+0x1c/0x58 [ 123.539580][ T4367] should_fail+0x400/0x5cc [ 123.540665][ T4367] __should_failslab+0xbc/0x110 [ 123.541958][ T4367] should_failslab+0x10/0x28 [ 123.543232][ T4367] slab_pre_alloc_hook+0x64/0xe8 [ 123.544549][ T4367] __kmalloc_node+0xbc/0x5b8 [ 123.545721][ T4367] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 123.547173][ T4367] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 123.548670][ T4367] nbd_start_device+0x158/0xb34 [ 123.549925][ T4367] nbd_ioctl+0x420/0xc2c [ 123.551011][ T4367] blkdev_ioctl+0x3d8/0xbd0 [ 123.552213][ T4367] block_ioctl+0xa8/0x114 [ 123.553367][ T4367] __arm64_sys_ioctl+0x14c/0x1c8 [ 123.554722][ T4367] invoke_syscall+0x98/0x2b8 [ 123.555923][ T4367] el0_svc_common+0x138/0x258 [ 123.557160][ T4367] do_el0_svc+0x58/0x14c [ 123.558285][ T4367] el0_svc+0x7c/0x1f0 [ 123.559336][ T4367] el0t_64_sync_handler+0x84/0xe4 [ 123.560627][ T4367] el0t_64_sync+0x1a0/0x1a4 [ 123.561983][ T4367] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 123.566354][ T4366] block nbd0: shutting down sockets executing program [ 123.685654][ T4369] FAULT_INJECTION: forcing a failure. [ 123.685654][ T4369] name failslab, interval 1, probability 0, space 0, times 0 [ 123.689094][ T4369] CPU: 1 PID: 4369 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 123.691326][ T4369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 123.693908][ T4369] Call trace: [ 123.694767][ T4369] dump_backtrace+0x0/0x530 [ 123.695946][ T4369] show_stack+0x2c/0x3c [ 123.697097][ T4369] dump_stack_lvl+0x108/0x170 [ 123.698404][ T4369] dump_stack+0x1c/0x58 [ 123.699568][ T4369] should_fail+0x400/0x5cc [ 123.700810][ T4369] __should_failslab+0xbc/0x110 [ 123.702154][ T4369] should_failslab+0x10/0x28 [ 123.703448][ T4369] slab_pre_alloc_hook+0x64/0xe8 [ 123.704849][ T4369] __kmalloc_node+0xbc/0x5b8 [ 123.706163][ T4369] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 123.707681][ T4369] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 123.709277][ T4369] nbd_start_device+0x158/0xb34 [ 123.710633][ T4369] nbd_ioctl+0x420/0xc2c [ 123.711804][ T4369] blkdev_ioctl+0x3d8/0xbd0 [ 123.713087][ T4369] block_ioctl+0xa8/0x114 [ 123.714254][ T4369] __arm64_sys_ioctl+0x14c/0x1c8 [ 123.715601][ T4369] invoke_syscall+0x98/0x2b8 [ 123.716851][ T4369] el0_svc_common+0x138/0x258 [ 123.718177][ T4369] do_el0_svc+0x58/0x14c [ 123.719370][ T4369] el0_svc+0x7c/0x1f0 [ 123.720506][ T4369] el0t_64_sync_handler+0x84/0xe4 [ 123.721880][ T4369] el0t_64_sync+0x1a0/0x1a4 [ 123.723264][ T4369] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 123.728360][ T4370] block nbd0: shutting down sockets executing program [ 123.855843][ T4372] FAULT_INJECTION: forcing a failure. [ 123.855843][ T4372] name failslab, interval 1, probability 0, space 0, times 0 [ 123.859231][ T4372] CPU: 0 PID: 4372 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 123.861470][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 123.864092][ T4372] Call trace: [ 123.864944][ T4372] dump_backtrace+0x0/0x530 [ 123.866156][ T4372] show_stack+0x2c/0x3c [ 123.867335][ T4372] dump_stack_lvl+0x108/0x170 [ 123.868595][ T4372] dump_stack+0x1c/0x58 [ 123.869726][ T4372] should_fail+0x400/0x5cc [ 123.870887][ T4372] __should_failslab+0xbc/0x110 [ 123.872160][ T4372] should_failslab+0x10/0x28 [ 123.873365][ T4372] slab_pre_alloc_hook+0x64/0xe8 [ 123.874676][ T4372] __kmalloc_node+0xbc/0x5b8 [ 123.875895][ T4372] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 123.877343][ T4372] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 123.878918][ T4372] nbd_start_device+0x158/0xb34 [ 123.880217][ T4372] nbd_ioctl+0x420/0xc2c [ 123.881389][ T4372] blkdev_ioctl+0x3d8/0xbd0 [ 123.882598][ T4372] block_ioctl+0xa8/0x114 [ 123.883813][ T4372] __arm64_sys_ioctl+0x14c/0x1c8 [ 123.885219][ T4372] invoke_syscall+0x98/0x2b8 [ 123.886491][ T4372] el0_svc_common+0x138/0x258 [ 123.887724][ T4372] do_el0_svc+0x58/0x14c [ 123.888863][ T4372] el0_svc+0x7c/0x1f0 [ 123.889951][ T4372] el0t_64_sync_handler+0x84/0xe4 [ 123.891301][ T4372] el0t_64_sync+0x1a0/0x1a4 [ 123.893137][ T4372] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 123.897588][ T4373] block nbd0: shutting down sockets executing program [ 124.055847][ T4375] FAULT_INJECTION: forcing a failure. [ 124.055847][ T4375] name failslab, interval 1, probability 0, space 0, times 0 [ 124.059160][ T4375] CPU: 1 PID: 4375 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 124.061363][ T4375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 124.064018][ T4375] Call trace: [ 124.064904][ T4375] dump_backtrace+0x0/0x530 [ 124.066161][ T4375] show_stack+0x2c/0x3c [ 124.067280][ T4375] dump_stack_lvl+0x108/0x170 [ 124.068504][ T4375] dump_stack+0x1c/0x58 [ 124.069596][ T4375] should_fail+0x400/0x5cc [ 124.070761][ T4375] __should_failslab+0xbc/0x110 [ 124.072014][ T4375] should_failslab+0x10/0x28 [ 124.073213][ T4375] slab_pre_alloc_hook+0x64/0xe8 [ 124.074517][ T4375] __kmalloc_node+0xbc/0x5b8 [ 124.075735][ T4375] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 124.077318][ T4375] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 124.078842][ T4375] nbd_start_device+0x158/0xb34 [ 124.080109][ T4375] nbd_ioctl+0x420/0xc2c [ 124.081274][ T4375] blkdev_ioctl+0x3d8/0xbd0 [ 124.082486][ T4375] block_ioctl+0xa8/0x114 [ 124.083640][ T4375] __arm64_sys_ioctl+0x14c/0x1c8 [ 124.084973][ T4375] invoke_syscall+0x98/0x2b8 [ 124.086214][ T4375] el0_svc_common+0x138/0x258 [ 124.087483][ T4375] do_el0_svc+0x58/0x14c [ 124.088632][ T4375] el0_svc+0x7c/0x1f0 [ 124.089695][ T4375] el0t_64_sync_handler+0x84/0xe4 [ 124.091048][ T4375] el0t_64_sync+0x1a0/0x1a4 [ 124.092618][ T4375] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 124.098474][ T4376] block nbd0: shutting down sockets executing program [ 124.246012][ T4379] FAULT_INJECTION: forcing a failure. [ 124.246012][ T4379] name failslab, interval 1, probability 0, space 0, times 0 [ 124.248730][ T4379] CPU: 0 PID: 4379 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 124.250807][ T4379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 124.253374][ T4379] Call trace: [ 124.254238][ T4379] dump_backtrace+0x0/0x530 [ 124.255412][ T4379] show_stack+0x2c/0x3c [ 124.256559][ T4379] dump_stack_lvl+0x108/0x170 [ 124.257789][ T4379] dump_stack+0x1c/0x58 [ 124.258922][ T4379] should_fail+0x400/0x5cc [ 124.260101][ T4379] __should_failslab+0xbc/0x110 [ 124.261361][ T4379] should_failslab+0x10/0x28 [ 124.262584][ T4379] slab_pre_alloc_hook+0x64/0xe8 [ 124.263905][ T4379] __kmalloc_node+0xbc/0x5b8 [ 124.265151][ T4379] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 124.266599][ T4379] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 124.268156][ T4379] nbd_start_device+0x158/0xb34 [ 124.269461][ T4379] nbd_ioctl+0x420/0xc2c [ 124.270557][ T4379] blkdev_ioctl+0x3d8/0xbd0 [ 124.271738][ T4379] block_ioctl+0xa8/0x114 [ 124.272854][ T4379] __arm64_sys_ioctl+0x14c/0x1c8 [ 124.274174][ T4379] invoke_syscall+0x98/0x2b8 [ 124.275390][ T4379] el0_svc_common+0x138/0x258 [ 124.276666][ T4379] do_el0_svc+0x58/0x14c [ 124.277785][ T4379] el0_svc+0x7c/0x1f0 [ 124.278809][ T4379] el0t_64_sync_handler+0x84/0xe4 [ 124.280172][ T4379] el0t_64_sync+0x1a0/0x1a4 [ 124.281554][ T4379] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 124.285821][ T4378] block nbd0: shutting down sockets executing program [ 124.445855][ T4381] FAULT_INJECTION: forcing a failure. [ 124.445855][ T4381] name failslab, interval 1, probability 0, space 0, times 0 [ 124.449245][ T4381] CPU: 1 PID: 4381 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 124.451460][ T4381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 124.454044][ T4381] Call trace: [ 124.454923][ T4381] dump_backtrace+0x0/0x530 [ 124.456132][ T4381] show_stack+0x2c/0x3c [ 124.457188][ T4381] dump_stack_lvl+0x108/0x170 [ 124.458444][ T4381] dump_stack+0x1c/0x58 [ 124.459502][ T4381] should_fail+0x400/0x5cc [ 124.460674][ T4381] __should_failslab+0xbc/0x110 [ 124.461914][ T4381] should_failslab+0x10/0x28 [ 124.463112][ T4381] slab_pre_alloc_hook+0x64/0xe8 [ 124.464469][ T4381] __kmalloc_node+0xbc/0x5b8 [ 124.465759][ T4381] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 124.467202][ T4381] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 124.468799][ T4381] nbd_start_device+0x158/0xb34 [ 124.470143][ T4381] nbd_ioctl+0x420/0xc2c [ 124.471243][ T4381] blkdev_ioctl+0x3d8/0xbd0 [ 124.472457][ T4381] block_ioctl+0xa8/0x114 [ 124.473621][ T4381] __arm64_sys_ioctl+0x14c/0x1c8 [ 124.474933][ T4381] invoke_syscall+0x98/0x2b8 [ 124.476158][ T4381] el0_svc_common+0x138/0x258 [ 124.477421][ T4381] do_el0_svc+0x58/0x14c [ 124.478545][ T4381] el0_svc+0x7c/0x1f0 [ 124.479565][ T4381] el0t_64_sync_handler+0x84/0xe4 [ 124.480979][ T4381] el0t_64_sync+0x1a0/0x1a4 [ 124.482370][ T4381] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 124.486753][ T4382] block nbd0: shutting down sockets executing program [ 124.656034][ T4385] FAULT_INJECTION: forcing a failure. [ 124.656034][ T4385] name failslab, interval 1, probability 0, space 0, times 0 [ 124.659539][ T4385] CPU: 1 PID: 4385 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 124.661774][ T4385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 124.664458][ T4385] Call trace: [ 124.665377][ T4385] dump_backtrace+0x0/0x530 [ 124.666575][ T4385] show_stack+0x2c/0x3c [ 124.667690][ T4385] dump_stack_lvl+0x108/0x170 [ 124.669014][ T4385] dump_stack+0x1c/0x58 [ 124.670160][ T4385] should_fail+0x400/0x5cc [ 124.671383][ T4385] __should_failslab+0xbc/0x110 [ 124.672663][ T4385] should_failslab+0x10/0x28 [ 124.673962][ T4385] slab_pre_alloc_hook+0x64/0xe8 [ 124.675325][ T4385] __kmalloc_node+0xbc/0x5b8 [ 124.676559][ T4385] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 124.678029][ T4385] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 124.679619][ T4385] nbd_start_device+0x158/0xb34 [ 124.680966][ T4385] nbd_ioctl+0x420/0xc2c [ 124.682154][ T4385] blkdev_ioctl+0x3d8/0xbd0 [ 124.683369][ T4385] block_ioctl+0xa8/0x114 [ 124.684558][ T4385] __arm64_sys_ioctl+0x14c/0x1c8 [ 124.685865][ T4385] invoke_syscall+0x98/0x2b8 [ 124.687094][ T4385] el0_svc_common+0x138/0x258 [ 124.688383][ T4385] do_el0_svc+0x58/0x14c [ 124.689467][ T4385] el0_svc+0x7c/0x1f0 [ 124.690578][ T4385] el0t_64_sync_handler+0x84/0xe4 [ 124.691981][ T4385] el0t_64_sync+0x1a0/0x1a4 [ 124.693390][ T4385] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 124.697647][ T4384] block nbd0: shutting down sockets executing program [ 124.825809][ T4387] FAULT_INJECTION: forcing a failure. [ 124.825809][ T4387] name failslab, interval 1, probability 0, space 0, times 0 [ 124.829166][ T4387] CPU: 1 PID: 4387 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 124.831450][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 124.834100][ T4387] Call trace: [ 124.834959][ T4387] dump_backtrace+0x0/0x530 [ 124.836244][ T4387] show_stack+0x2c/0x3c [ 124.837369][ T4387] dump_stack_lvl+0x108/0x170 [ 124.838609][ T4387] dump_stack+0x1c/0x58 [ 124.839747][ T4387] should_fail+0x400/0x5cc [ 124.840900][ T4387] __should_failslab+0xbc/0x110 [ 124.842238][ T4387] should_failslab+0x10/0x28 [ 124.843439][ T4387] slab_pre_alloc_hook+0x64/0xe8 [ 124.844857][ T4387] __kmalloc_node+0xbc/0x5b8 [ 124.846152][ T4387] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 124.847686][ T4387] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 124.849255][ T4387] nbd_start_device+0x158/0xb34 [ 124.850578][ T4387] nbd_ioctl+0x420/0xc2c [ 124.851722][ T4387] blkdev_ioctl+0x3d8/0xbd0 [ 124.852939][ T4387] block_ioctl+0xa8/0x114 [ 124.854107][ T4387] __arm64_sys_ioctl+0x14c/0x1c8 [ 124.855422][ T4387] invoke_syscall+0x98/0x2b8 [ 124.856628][ T4387] el0_svc_common+0x138/0x258 [ 124.857888][ T4387] do_el0_svc+0x58/0x14c [ 124.859080][ T4387] el0_svc+0x7c/0x1f0 [ 124.860158][ T4387] el0t_64_sync_handler+0x84/0xe4 [ 124.861540][ T4387] el0t_64_sync+0x1a0/0x1a4 [ 124.863003][ T4387] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 124.867293][ T4388] block nbd0: shutting down sockets executing program [ 125.005744][ T4390] FAULT_INJECTION: forcing a failure. [ 125.005744][ T4390] name failslab, interval 1, probability 0, space 0, times 0 [ 125.009162][ T4390] CPU: 0 PID: 4390 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 125.011452][ T4390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.014233][ T4390] Call trace: [ 125.015103][ T4390] dump_backtrace+0x0/0x530 [ 125.016300][ T4390] show_stack+0x2c/0x3c [ 125.017392][ T4390] dump_stack_lvl+0x108/0x170 [ 125.018652][ T4390] dump_stack+0x1c/0x58 [ 125.019791][ T4390] should_fail+0x400/0x5cc [ 125.021010][ T4390] __should_failslab+0xbc/0x110 [ 125.022277][ T4390] should_failslab+0x10/0x28 [ 125.023465][ T4390] slab_pre_alloc_hook+0x64/0xe8 [ 125.024782][ T4390] __kmalloc_node+0xbc/0x5b8 [ 125.025995][ T4390] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 125.027445][ T4390] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 125.029036][ T4390] nbd_start_device+0x158/0xb34 [ 125.030360][ T4390] nbd_ioctl+0x420/0xc2c [ 125.031514][ T4390] blkdev_ioctl+0x3d8/0xbd0 [ 125.032726][ T4390] block_ioctl+0xa8/0x114 [ 125.033916][ T4390] __arm64_sys_ioctl+0x14c/0x1c8 [ 125.035266][ T4390] invoke_syscall+0x98/0x2b8 [ 125.036456][ T4390] el0_svc_common+0x138/0x258 [ 125.037748][ T4390] do_el0_svc+0x58/0x14c [ 125.038840][ T4390] el0_svc+0x7c/0x1f0 [ 125.039891][ T4390] el0t_64_sync_handler+0x84/0xe4 [ 125.041227][ T4390] el0t_64_sync+0x1a0/0x1a4 [ 125.042633][ T4390] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 125.047076][ T4391] block nbd0: shutting down sockets executing program [ 125.165825][ T4393] FAULT_INJECTION: forcing a failure. [ 125.165825][ T4393] name failslab, interval 1, probability 0, space 0, times 0 [ 125.169146][ T4393] CPU: 1 PID: 4393 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 125.171397][ T4393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.174112][ T4393] Call trace: [ 125.175006][ T4393] dump_backtrace+0x0/0x530 [ 125.176221][ T4393] show_stack+0x2c/0x3c [ 125.177321][ T4393] dump_stack_lvl+0x108/0x170 [ 125.178592][ T4393] dump_stack+0x1c/0x58 [ 125.179690][ T4393] should_fail+0x400/0x5cc [ 125.180889][ T4393] __should_failslab+0xbc/0x110 [ 125.182219][ T4393] should_failslab+0x10/0x28 [ 125.183537][ T4393] slab_pre_alloc_hook+0x64/0xe8 [ 125.184885][ T4393] __kmalloc_node+0xbc/0x5b8 [ 125.186117][ T4393] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 125.187583][ T4393] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 125.189089][ T4393] nbd_start_device+0x158/0xb34 [ 125.190383][ T4393] nbd_ioctl+0x420/0xc2c [ 125.191510][ T4393] blkdev_ioctl+0x3d8/0xbd0 [ 125.192715][ T4393] block_ioctl+0xa8/0x114 [ 125.193833][ T4393] __arm64_sys_ioctl+0x14c/0x1c8 [ 125.195124][ T4393] invoke_syscall+0x98/0x2b8 [ 125.196309][ T4393] el0_svc_common+0x138/0x258 [ 125.197494][ T4393] do_el0_svc+0x58/0x14c [ 125.198555][ T4393] el0_svc+0x7c/0x1f0 [ 125.199628][ T4393] el0t_64_sync_handler+0x84/0xe4 [ 125.201007][ T4393] el0t_64_sync+0x1a0/0x1a4 [ 125.202373][ T4393] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 125.206910][ T4394] block nbd0: shutting down sockets executing program [ 125.335888][ T4396] FAULT_INJECTION: forcing a failure. [ 125.335888][ T4396] name failslab, interval 1, probability 0, space 0, times 0 [ 125.339215][ T4396] CPU: 0 PID: 4396 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 125.341418][ T4396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.344069][ T4396] Call trace: [ 125.344960][ T4396] dump_backtrace+0x0/0x530 [ 125.346183][ T4396] show_stack+0x2c/0x3c [ 125.347258][ T4396] dump_stack_lvl+0x108/0x170 [ 125.348501][ T4396] dump_stack+0x1c/0x58 [ 125.349597][ T4396] should_fail+0x400/0x5cc [ 125.350811][ T4396] __should_failslab+0xbc/0x110 [ 125.352023][ T4396] should_failslab+0x10/0x28 [ 125.353196][ T4396] slab_pre_alloc_hook+0x64/0xe8 [ 125.354494][ T4396] __kmalloc_node+0xbc/0x5b8 [ 125.355764][ T4396] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 125.357228][ T4396] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 125.358727][ T4396] nbd_start_device+0x158/0xb34 [ 125.360027][ T4396] nbd_ioctl+0x420/0xc2c [ 125.361154][ T4396] blkdev_ioctl+0x3d8/0xbd0 [ 125.362362][ T4396] block_ioctl+0xa8/0x114 [ 125.363535][ T4396] __arm64_sys_ioctl+0x14c/0x1c8 [ 125.364890][ T4396] invoke_syscall+0x98/0x2b8 [ 125.366115][ T4396] el0_svc_common+0x138/0x258 [ 125.367305][ T4396] do_el0_svc+0x58/0x14c [ 125.368415][ T4396] el0_svc+0x7c/0x1f0 [ 125.369457][ T4396] el0t_64_sync_handler+0x84/0xe4 [ 125.370799][ T4396] el0t_64_sync+0x1a0/0x1a4 [ 125.372176][ T4396] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 125.376725][ T4397] block nbd0: shutting down sockets executing program [ 125.505727][ T4399] FAULT_INJECTION: forcing a failure. [ 125.505727][ T4399] name failslab, interval 1, probability 0, space 0, times 0 [ 125.509067][ T4399] CPU: 0 PID: 4399 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 125.511221][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.513775][ T4399] Call trace: [ 125.514649][ T4399] dump_backtrace+0x0/0x530 [ 125.515836][ T4399] show_stack+0x2c/0x3c [ 125.516931][ T4399] dump_stack_lvl+0x108/0x170 [ 125.518159][ T4399] dump_stack+0x1c/0x58 [ 125.519270][ T4399] should_fail+0x400/0x5cc [ 125.520454][ T4399] __should_failslab+0xbc/0x110 [ 125.521818][ T4399] should_failslab+0x10/0x28 [ 125.523099][ T4399] slab_pre_alloc_hook+0x64/0xe8 [ 125.524431][ T4399] __kmalloc_node+0xbc/0x5b8 [ 125.525589][ T4399] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 125.527066][ T4399] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 125.528542][ T4399] nbd_start_device+0x158/0xb34 [ 125.529787][ T4399] nbd_ioctl+0x420/0xc2c [ 125.530921][ T4399] blkdev_ioctl+0x3d8/0xbd0 [ 125.532081][ T4399] block_ioctl+0xa8/0x114 [ 125.533184][ T4399] __arm64_sys_ioctl+0x14c/0x1c8 [ 125.534507][ T4399] invoke_syscall+0x98/0x2b8 [ 125.535756][ T4399] el0_svc_common+0x138/0x258 [ 125.537015][ T4399] do_el0_svc+0x58/0x14c [ 125.538213][ T4399] el0_svc+0x7c/0x1f0 [ 125.539280][ T4399] el0t_64_sync_handler+0x84/0xe4 [ 125.540616][ T4399] el0t_64_sync+0x1a0/0x1a4 [ 125.541945][ T4399] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 125.546215][ T4400] block nbd0: shutting down sockets executing program [ 125.665736][ T4402] FAULT_INJECTION: forcing a failure. [ 125.665736][ T4402] name failslab, interval 1, probability 0, space 0, times 0 [ 125.668880][ T4402] CPU: 0 PID: 4402 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 125.671144][ T4402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.673905][ T4402] Call trace: [ 125.674799][ T4402] dump_backtrace+0x0/0x530 [ 125.676030][ T4402] show_stack+0x2c/0x3c [ 125.677153][ T4402] dump_stack_lvl+0x108/0x170 [ 125.678440][ T4402] dump_stack+0x1c/0x58 [ 125.679645][ T4402] should_fail+0x400/0x5cc [ 125.680934][ T4402] __should_failslab+0xbc/0x110 [ 125.682258][ T4402] should_failslab+0x10/0x28 [ 125.683480][ T4402] slab_pre_alloc_hook+0x64/0xe8 [ 125.684872][ T4402] __kmalloc_node+0xbc/0x5b8 [ 125.686183][ T4402] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 125.687624][ T4402] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 125.689166][ T4402] nbd_start_device+0x158/0xb34 [ 125.690486][ T4402] nbd_ioctl+0x420/0xc2c [ 125.691619][ T4402] blkdev_ioctl+0x3d8/0xbd0 [ 125.692910][ T4402] block_ioctl+0xa8/0x114 [ 125.694073][ T4402] __arm64_sys_ioctl+0x14c/0x1c8 [ 125.695311][ T4402] invoke_syscall+0x98/0x2b8 [ 125.696495][ T4402] el0_svc_common+0x138/0x258 [ 125.697741][ T4402] do_el0_svc+0x58/0x14c [ 125.698920][ T4402] el0_svc+0x7c/0x1f0 [ 125.699976][ T4402] el0t_64_sync_handler+0x84/0xe4 [ 125.701313][ T4402] el0t_64_sync+0x1a0/0x1a4 [ 125.702652][ T4402] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 125.707548][ T4403] block nbd0: shutting down sockets executing program [ 125.865689][ T4406] FAULT_INJECTION: forcing a failure. [ 125.865689][ T4406] name failslab, interval 1, probability 0, space 0, times 0 [ 125.869058][ T4406] CPU: 0 PID: 4406 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 125.871286][ T4406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 125.873961][ T4406] Call trace: [ 125.874823][ T4406] dump_backtrace+0x0/0x530 [ 125.876049][ T4406] show_stack+0x2c/0x3c [ 125.877203][ T4406] dump_stack_lvl+0x108/0x170 [ 125.878456][ T4406] dump_stack+0x1c/0x58 [ 125.879537][ T4406] should_fail+0x400/0x5cc [ 125.880740][ T4406] __should_failslab+0xbc/0x110 [ 125.882046][ T4406] should_failslab+0x10/0x28 [ 125.883275][ T4406] slab_pre_alloc_hook+0x64/0xe8 [ 125.884620][ T4406] __kmalloc_node+0xbc/0x5b8 [ 125.885826][ T4406] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 125.887276][ T4406] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 125.888807][ T4406] nbd_start_device+0x158/0xb34 [ 125.890097][ T4406] nbd_ioctl+0x420/0xc2c [ 125.891190][ T4406] blkdev_ioctl+0x3d8/0xbd0 [ 125.892415][ T4406] block_ioctl+0xa8/0x114 [ 125.893599][ T4406] __arm64_sys_ioctl+0x14c/0x1c8 [ 125.894979][ T4406] invoke_syscall+0x98/0x2b8 [ 125.896252][ T4406] el0_svc_common+0x138/0x258 [ 125.897483][ T4406] do_el0_svc+0x58/0x14c [ 125.898613][ T4406] el0_svc+0x7c/0x1f0 [ 125.899639][ T4406] el0t_64_sync_handler+0x84/0xe4 [ 125.900946][ T4406] el0t_64_sync+0x1a0/0x1a4 [ 125.902322][ T4406] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 125.907236][ T4405] block nbd0: shutting down sockets executing program [ 126.045670][ T4409] FAULT_INJECTION: forcing a failure. [ 126.045670][ T4409] name failslab, interval 1, probability 0, space 0, times 0 [ 126.049268][ T4409] CPU: 0 PID: 4409 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 126.051569][ T4409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 126.054391][ T4409] Call trace: [ 126.055292][ T4409] dump_backtrace+0x0/0x530 [ 126.056601][ T4409] show_stack+0x2c/0x3c [ 126.057763][ T4409] dump_stack_lvl+0x108/0x170 [ 126.059116][ T4409] dump_stack+0x1c/0x58 [ 126.060308][ T4409] should_fail+0x400/0x5cc [ 126.061548][ T4409] __should_failslab+0xbc/0x110 [ 126.062882][ T4409] should_failslab+0x10/0x28 [ 126.064132][ T4409] slab_pre_alloc_hook+0x64/0xe8 [ 126.065488][ T4409] __kmalloc_node+0xbc/0x5b8 [ 126.066746][ T4409] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 126.068227][ T4409] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 126.069843][ T4409] nbd_start_device+0x158/0xb34 [ 126.071157][ T4409] nbd_ioctl+0x420/0xc2c [ 126.072334][ T4409] blkdev_ioctl+0x3d8/0xbd0 [ 126.073654][ T4409] block_ioctl+0xa8/0x114 [ 126.074879][ T4409] __arm64_sys_ioctl+0x14c/0x1c8 [ 126.076197][ T4409] invoke_syscall+0x98/0x2b8 [ 126.077442][ T4409] el0_svc_common+0x138/0x258 [ 126.078645][ T4409] do_el0_svc+0x58/0x14c [ 126.079781][ T4409] el0_svc+0x7c/0x1f0 [ 126.080839][ T4409] el0t_64_sync_handler+0x84/0xe4 [ 126.082189][ T4409] el0t_64_sync+0x1a0/0x1a4 [ 126.083596][ T4409] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 126.088016][ T4410] block nbd0: shutting down sockets executing program [ 126.265911][ T4412] FAULT_INJECTION: forcing a failure. [ 126.265911][ T4412] name failslab, interval 1, probability 0, space 0, times 0 [ 126.269266][ T4412] CPU: 1 PID: 4412 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 126.271461][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 126.274158][ T4412] Call trace: [ 126.275031][ T4412] dump_backtrace+0x0/0x530 [ 126.276238][ T4412] show_stack+0x2c/0x3c [ 126.277374][ T4412] dump_stack_lvl+0x108/0x170 [ 126.278620][ T4412] dump_stack+0x1c/0x58 [ 126.279809][ T4412] should_fail+0x400/0x5cc [ 126.280982][ T4412] __should_failslab+0xbc/0x110 [ 126.282309][ T4412] should_failslab+0x10/0x28 [ 126.283559][ T4412] slab_pre_alloc_hook+0x64/0xe8 [ 126.284855][ T4412] __kmalloc_node+0xbc/0x5b8 [ 126.286046][ T4412] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 126.287504][ T4412] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 126.289105][ T4412] nbd_start_device+0x158/0xb34 [ 126.290422][ T4412] nbd_ioctl+0x420/0xc2c [ 126.291626][ T4412] blkdev_ioctl+0x3d8/0xbd0 [ 126.292884][ T4412] block_ioctl+0xa8/0x114 [ 126.293979][ T4412] __arm64_sys_ioctl+0x14c/0x1c8 [ 126.295332][ T4412] invoke_syscall+0x98/0x2b8 [ 126.296531][ T4412] el0_svc_common+0x138/0x258 [ 126.297798][ T4412] do_el0_svc+0x58/0x14c [ 126.298914][ T4412] el0_svc+0x7c/0x1f0 [ 126.300032][ T4412] el0t_64_sync_handler+0x84/0xe4 [ 126.301412][ T4412] el0t_64_sync+0x1a0/0x1a4 [ 126.304017][ T4412] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 126.308632][ T4413] block nbd0: shutting down sockets executing program [ 126.431937][ T4417] block nbd0: Device being setup by another task [ 126.433782][ T4416] FAULT_INJECTION: forcing a failure. [ 126.433782][ T4416] name failslab, interval 1, probability 0, space 0, times 0 [ 126.437274][ T4416] CPU: 0 PID: 4416 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 126.439415][ T4416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 126.441991][ T4416] Call trace: [ 126.442944][ T4416] dump_backtrace+0x0/0x530 [ 126.444230][ T4416] show_stack+0x2c/0x3c [ 126.445356][ T4416] dump_stack_lvl+0x108/0x170 [ 126.446633][ T4416] dump_stack+0x1c/0x58 [ 126.447763][ T4416] should_fail+0x400/0x5cc [ 126.448964][ T4416] __should_failslab+0xbc/0x110 [ 126.450329][ T4416] should_failslab+0x10/0x28 [ 126.451676][ T4416] slab_pre_alloc_hook+0x64/0xe8 [ 126.453026][ T4416] kmem_cache_alloc+0x98/0x45c [ 126.454301][ T4416] __d_alloc+0x3c/0x6a8 [ 126.455401][ T4416] d_alloc_parallel+0xb8/0x11bc [ 126.456732][ T4416] __lookup_slow+0x108/0x388 [ 126.457904][ T4416] lookup_one_len+0x178/0x28c [ 126.459200][ T4416] start_creating+0x19c/0x2e0 [ 126.460443][ T4416] debugfs_create_dir+0x34/0x420 [ 126.461770][ T4416] nbd_start_device+0x3bc/0xb34 [ 126.463032][ T4416] nbd_ioctl+0x420/0xc2c [ 126.464143][ T4416] blkdev_ioctl+0x3d8/0xbd0 [ 126.465345][ T4416] block_ioctl+0xa8/0x114 [ 126.466471][ T4416] __arm64_sys_ioctl+0x14c/0x1c8 [ 126.467809][ T4416] invoke_syscall+0x98/0x2b8 [ 126.468957][ T4416] el0_svc_common+0x138/0x258 [ 126.470205][ T4416] do_el0_svc+0x58/0x14c [ 126.471333][ T4416] el0_svc+0x7c/0x1f0 [ 126.472411][ T4416] el0t_64_sync_handler+0x84/0xe4 [ 126.473788][ T4416] el0t_64_sync+0x1a0/0x1a4 [ 126.475235][ T4416] block nbd0: Failed to create debugfs dir for 'nbd0' [ 126.477365][ T4417] block nbd0: shutting down sockets executing program [ 126.635744][ T4419] FAULT_INJECTION: forcing a failure. [ 126.635744][ T4419] name failslab, interval 1, probability 0, space 0, times 0 [ 126.639062][ T4419] CPU: 1 PID: 4419 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 126.641251][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 126.643964][ T4419] Call trace: [ 126.644839][ T4419] dump_backtrace+0x0/0x530 [ 126.646077][ T4419] show_stack+0x2c/0x3c [ 126.647187][ T4419] dump_stack_lvl+0x108/0x170 [ 126.648465][ T4419] dump_stack+0x1c/0x58 [ 126.649649][ T4419] should_fail+0x400/0x5cc [ 126.650788][ T4419] __should_failslab+0xbc/0x110 [ 126.652031][ T4419] should_failslab+0x10/0x28 [ 126.653219][ T4419] slab_pre_alloc_hook+0x64/0xe8 [ 126.654546][ T4419] __kmalloc_node+0xbc/0x5b8 [ 126.655891][ T4419] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 126.657263][ T4419] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 126.658836][ T4419] nbd_start_device+0x158/0xb34 [ 126.660083][ T4419] nbd_ioctl+0x420/0xc2c [ 126.661223][ T4419] blkdev_ioctl+0x3d8/0xbd0 [ 126.662438][ T4419] block_ioctl+0xa8/0x114 [ 126.663644][ T4419] __arm64_sys_ioctl+0x14c/0x1c8 [ 126.665071][ T4419] invoke_syscall+0x98/0x2b8 [ 126.666441][ T4419] el0_svc_common+0x138/0x258 [ 126.667749][ T4419] do_el0_svc+0x58/0x14c [ 126.668954][ T4419] el0_svc+0x7c/0x1f0 [ 126.670053][ T4419] el0t_64_sync_handler+0x84/0xe4 [ 126.671341][ T4419] el0t_64_sync+0x1a0/0x1a4 [ 126.672825][ T4419] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 126.678417][ T4420] block nbd0: shutting down sockets executing program [ 126.846391][ T4424] FAULT_INJECTION: forcing a failure. [ 126.846391][ T4424] name failslab, interval 1, probability 0, space 0, times 0 [ 126.849693][ T4424] CPU: 0 PID: 4424 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 126.852077][ T4424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 126.854723][ T4424] Call trace: [ 126.855545][ T4424] dump_backtrace+0x0/0x530 [ 126.856752][ T4424] show_stack+0x2c/0x3c [ 126.857847][ T4424] dump_stack_lvl+0x108/0x170 [ 126.859107][ T4424] dump_stack+0x1c/0x58 [ 126.860213][ T4424] should_fail+0x400/0x5cc [ 126.861383][ T4424] __should_failslab+0xbc/0x110 [ 126.862746][ T4424] should_failslab+0x10/0x28 [ 126.863948][ T4424] slab_pre_alloc_hook+0x64/0xe8 [ 126.865299][ T4424] __kmalloc_node+0xbc/0x5b8 [ 126.866597][ T4424] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 126.868057][ T4424] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 126.869549][ T4424] nbd_start_device+0x158/0xb34 [ 126.870875][ T4424] nbd_ioctl+0x420/0xc2c [ 126.872079][ T4424] blkdev_ioctl+0x3d8/0xbd0 [ 126.873162][ T4424] block_ioctl+0xa8/0x114 [ 126.874173][ T4424] __arm64_sys_ioctl+0x14c/0x1c8 [ 126.875521][ T4424] invoke_syscall+0x98/0x2b8 [ 126.876852][ T4424] el0_svc_common+0x138/0x258 [ 126.878228][ T4424] do_el0_svc+0x58/0x14c [ 126.879412][ T4424] el0_svc+0x7c/0x1f0 [ 126.880458][ T4424] el0t_64_sync_handler+0x84/0xe4 [ 126.881855][ T4424] el0t_64_sync+0x1a0/0x1a4 [ 126.883231][ T4424] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 126.887791][ T4423] block nbd0: shutting down sockets executing program [ 127.045829][ T4426] FAULT_INJECTION: forcing a failure. [ 127.045829][ T4426] name failslab, interval 1, probability 0, space 0, times 0 [ 127.049264][ T4426] CPU: 0 PID: 4426 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 127.051513][ T4426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 127.054208][ T4426] Call trace: [ 127.055103][ T4426] dump_backtrace+0x0/0x530 [ 127.056310][ T4426] show_stack+0x2c/0x3c [ 127.057448][ T4426] dump_stack_lvl+0x108/0x170 [ 127.058719][ T4426] dump_stack+0x1c/0x58 [ 127.059826][ T4426] should_fail+0x400/0x5cc [ 127.060998][ T4426] __should_failslab+0xbc/0x110 [ 127.062351][ T4426] should_failslab+0x10/0x28 [ 127.063606][ T4426] slab_pre_alloc_hook+0x64/0xe8 [ 127.064928][ T4426] __kmalloc_node+0xbc/0x5b8 [ 127.066144][ T4426] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 127.067638][ T4426] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 127.069183][ T4426] nbd_start_device+0x158/0xb34 [ 127.070447][ T4426] nbd_ioctl+0x420/0xc2c [ 127.071560][ T4426] blkdev_ioctl+0x3d8/0xbd0 [ 127.072777][ T4426] block_ioctl+0xa8/0x114 [ 127.073893][ T4426] __arm64_sys_ioctl+0x14c/0x1c8 [ 127.075266][ T4426] invoke_syscall+0x98/0x2b8 [ 127.076468][ T4426] el0_svc_common+0x138/0x258 [ 127.077798][ T4426] do_el0_svc+0x58/0x14c [ 127.078910][ T4426] el0_svc+0x7c/0x1f0 [ 127.079952][ T4426] el0t_64_sync_handler+0x84/0xe4 [ 127.081281][ T4426] el0t_64_sync+0x1a0/0x1a4 [ 127.082778][ T4426] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 127.087591][ T4427] block nbd0: shutting down sockets executing program [ 127.215694][ T4429] FAULT_INJECTION: forcing a failure. [ 127.215694][ T4429] name failslab, interval 1, probability 0, space 0, times 0 [ 127.219078][ T4429] CPU: 0 PID: 4429 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 127.221331][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 127.224076][ T4429] Call trace: [ 127.224954][ T4429] dump_backtrace+0x0/0x530 [ 127.226220][ T4429] show_stack+0x2c/0x3c [ 127.227382][ T4429] dump_stack_lvl+0x108/0x170 [ 127.228690][ T4429] dump_stack+0x1c/0x58 [ 127.229848][ T4429] should_fail+0x400/0x5cc [ 127.231056][ T4429] __should_failslab+0xbc/0x110 [ 127.232398][ T4429] should_failslab+0x10/0x28 [ 127.233753][ T4429] slab_pre_alloc_hook+0x64/0xe8 [ 127.235121][ T4429] __kmalloc_node+0xbc/0x5b8 [ 127.236409][ T4429] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 127.237999][ T4429] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 127.239627][ T4429] nbd_start_device+0x158/0xb34 [ 127.241035][ T4429] nbd_ioctl+0x420/0xc2c [ 127.242224][ T4429] blkdev_ioctl+0x3d8/0xbd0 [ 127.243500][ T4429] block_ioctl+0xa8/0x114 [ 127.244733][ T4429] __arm64_sys_ioctl+0x14c/0x1c8 [ 127.246094][ T4429] invoke_syscall+0x98/0x2b8 [ 127.247391][ T4429] el0_svc_common+0x138/0x258 [ 127.248713][ T4429] do_el0_svc+0x58/0x14c [ 127.249882][ T4429] el0_svc+0x7c/0x1f0 [ 127.250945][ T4429] el0t_64_sync_handler+0x84/0xe4 [ 127.252297][ T4429] el0t_64_sync+0x1a0/0x1a4 [ 127.253725][ T4429] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 127.258064][ T4430] block nbd0: shutting down sockets executing program [ 127.385797][ T4432] FAULT_INJECTION: forcing a failure. [ 127.385797][ T4432] name failslab, interval 1, probability 0, space 0, times 0 [ 127.389194][ T4432] CPU: 1 PID: 4432 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 127.391384][ T4432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 127.394152][ T4432] Call trace: [ 127.395059][ T4432] dump_backtrace+0x0/0x530 [ 127.396232][ T4432] show_stack+0x2c/0x3c [ 127.397316][ T4432] dump_stack_lvl+0x108/0x170 [ 127.398562][ T4432] dump_stack+0x1c/0x58 [ 127.399732][ T4432] should_fail+0x400/0x5cc [ 127.400976][ T4432] __should_failslab+0xbc/0x110 [ 127.402287][ T4432] should_failslab+0x10/0x28 [ 127.403520][ T4432] slab_pre_alloc_hook+0x64/0xe8 [ 127.404893][ T4432] __kmalloc_node+0xbc/0x5b8 [ 127.406090][ T4432] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 127.407552][ T4432] nbd_start_device+0x158/0xb34 [ 127.408904][ T4432] nbd_ioctl+0x420/0xc2c [ 127.410130][ T4432] blkdev_ioctl+0x3d8/0xbd0 [ 127.411311][ T4432] block_ioctl+0xa8/0x114 [ 127.412442][ T4432] __arm64_sys_ioctl+0x14c/0x1c8 [ 127.413743][ T4432] invoke_syscall+0x98/0x2b8 [ 127.414980][ T4432] el0_svc_common+0x138/0x258 [ 127.416257][ T4432] do_el0_svc+0x58/0x14c [ 127.417474][ T4432] el0_svc+0x7c/0x1f0 [ 127.418523][ T4432] el0t_64_sync_handler+0x84/0xe4 [ 127.419854][ T4432] el0t_64_sync+0x1a0/0x1a4 [ 127.424604][ T4433] block nbd0: shutting down sockets executing program [ 127.585722][ T4435] FAULT_INJECTION: forcing a failure. [ 127.585722][ T4435] name failslab, interval 1, probability 0, space 0, times 0 [ 127.589124][ T4435] CPU: 1 PID: 4435 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 127.591426][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 127.594033][ T4435] Call trace: [ 127.594896][ T4435] dump_backtrace+0x0/0x530 [ 127.596051][ T4435] show_stack+0x2c/0x3c [ 127.597149][ T4435] dump_stack_lvl+0x108/0x170 [ 127.598403][ T4435] dump_stack+0x1c/0x58 [ 127.599511][ T4435] should_fail+0x400/0x5cc [ 127.600644][ T4435] __should_failslab+0xbc/0x110 [ 127.601936][ T4435] should_failslab+0x10/0x28 [ 127.603210][ T4435] slab_pre_alloc_hook+0x64/0xe8 [ 127.604539][ T4435] __kmalloc_node+0xbc/0x5b8 [ 127.605814][ T4435] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 127.607285][ T4435] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 127.608897][ T4435] nbd_start_device+0x158/0xb34 [ 127.610250][ T4435] nbd_ioctl+0x420/0xc2c [ 127.611362][ T4435] blkdev_ioctl+0x3d8/0xbd0 [ 127.612554][ T4435] block_ioctl+0xa8/0x114 [ 127.613735][ T4435] __arm64_sys_ioctl+0x14c/0x1c8 [ 127.615081][ T4435] invoke_syscall+0x98/0x2b8 [ 127.616348][ T4435] el0_svc_common+0x138/0x258 [ 127.617633][ T4435] do_el0_svc+0x58/0x14c [ 127.618793][ T4435] el0_svc+0x7c/0x1f0 [ 127.619843][ T4435] el0t_64_sync_handler+0x84/0xe4 [ 127.621149][ T4435] el0t_64_sync+0x1a0/0x1a4 [ 127.622616][ T4435] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 127.627563][ T4436] block nbd0: shutting down sockets executing program [ 127.775784][ T4439] FAULT_INJECTION: forcing a failure. [ 127.775784][ T4439] name failslab, interval 1, probability 0, space 0, times 0 [ 127.779052][ T4439] CPU: 1 PID: 4439 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 127.781381][ T4439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 127.784100][ T4439] Call trace: [ 127.784947][ T4439] dump_backtrace+0x0/0x530 [ 127.786203][ T4439] show_stack+0x2c/0x3c [ 127.787296][ T4439] dump_stack_lvl+0x108/0x170 [ 127.788555][ T4439] dump_stack+0x1c/0x58 [ 127.789721][ T4439] should_fail+0x400/0x5cc [ 127.790966][ T4439] __should_failslab+0xbc/0x110 [ 127.792354][ T4439] should_failslab+0x10/0x28 [ 127.793684][ T4439] slab_pre_alloc_hook+0x64/0xe8 [ 127.794996][ T4439] __kmalloc_node+0xbc/0x5b8 [ 127.796291][ T4439] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 127.797778][ T4439] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 127.799318][ T4439] nbd_start_device+0x158/0xb34 [ 127.800589][ T4439] nbd_ioctl+0x420/0xc2c [ 127.801737][ T4439] blkdev_ioctl+0x3d8/0xbd0 [ 127.802947][ T4439] block_ioctl+0xa8/0x114 [ 127.804087][ T4439] __arm64_sys_ioctl+0x14c/0x1c8 [ 127.805359][ T4439] invoke_syscall+0x98/0x2b8 [ 127.806615][ T4439] el0_svc_common+0x138/0x258 [ 127.807943][ T4439] do_el0_svc+0x58/0x14c [ 127.809084][ T4439] el0_svc+0x7c/0x1f0 [ 127.810097][ T4439] el0t_64_sync_handler+0x84/0xe4 [ 127.811385][ T4439] el0t_64_sync+0x1a0/0x1a4 [ 127.812769][ T4439] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 127.816920][ T4440] block nbd0: shutting down sockets executing program [ 127.965894][ T4443] FAULT_INJECTION: forcing a failure. [ 127.965894][ T4443] name failslab, interval 1, probability 0, space 0, times 0 [ 127.969372][ T4443] CPU: 0 PID: 4443 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 127.971637][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 127.974319][ T4443] Call trace: [ 127.975216][ T4443] dump_backtrace+0x0/0x530 [ 127.976453][ T4443] show_stack+0x2c/0x3c [ 127.977528][ T4443] dump_stack_lvl+0x108/0x170 [ 127.978795][ T4443] dump_stack+0x1c/0x58 [ 127.979912][ T4443] should_fail+0x400/0x5cc [ 127.981101][ T4443] __should_failslab+0xbc/0x110 [ 127.982445][ T4443] should_failslab+0x10/0x28 [ 127.983662][ T4443] slab_pre_alloc_hook+0x64/0xe8 [ 127.985035][ T4443] __kmalloc_node+0xbc/0x5b8 [ 127.986288][ T4443] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 127.987784][ T4443] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 127.989371][ T4443] nbd_start_device+0x158/0xb34 [ 127.990737][ T4443] nbd_ioctl+0x420/0xc2c [ 127.991910][ T4443] blkdev_ioctl+0x3d8/0xbd0 [ 127.993157][ T4443] block_ioctl+0xa8/0x114 [ 127.994431][ T4443] __arm64_sys_ioctl+0x14c/0x1c8 [ 127.995795][ T4443] invoke_syscall+0x98/0x2b8 [ 127.997070][ T4443] el0_svc_common+0x138/0x258 [ 127.998368][ T4443] do_el0_svc+0x58/0x14c [ 127.999485][ T4443] el0_svc+0x7c/0x1f0 [ 128.000542][ T4443] el0t_64_sync_handler+0x84/0xe4 [ 128.001870][ T4443] el0t_64_sync+0x1a0/0x1a4 [ 128.003280][ T4443] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 128.007678][ T4444] block nbd0: shutting down sockets executing program [ 128.155759][ T4447] FAULT_INJECTION: forcing a failure. [ 128.155759][ T4447] name failslab, interval 1, probability 0, space 0, times 0 [ 128.159302][ T4447] CPU: 1 PID: 4447 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 128.161589][ T4447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 128.164265][ T4447] Call trace: [ 128.165104][ T4447] dump_backtrace+0x0/0x530 [ 128.166307][ T4447] show_stack+0x2c/0x3c [ 128.167412][ T4447] dump_stack_lvl+0x108/0x170 [ 128.168663][ T4447] dump_stack+0x1c/0x58 [ 128.169920][ T4447] should_fail+0x400/0x5cc [ 128.171115][ T4447] __should_failslab+0xbc/0x110 [ 128.172443][ T4447] should_failslab+0x10/0x28 [ 128.173642][ T4447] slab_pre_alloc_hook+0x64/0xe8 [ 128.174924][ T4447] __kmalloc_node+0xbc/0x5b8 [ 128.176175][ T4447] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 128.177610][ T4447] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 128.179172][ T4447] nbd_start_device+0x158/0xb34 [ 128.180446][ T4447] nbd_ioctl+0x420/0xc2c [ 128.181642][ T4447] blkdev_ioctl+0x3d8/0xbd0 [ 128.182792][ T4447] block_ioctl+0xa8/0x114 [ 128.183921][ T4447] __arm64_sys_ioctl+0x14c/0x1c8 [ 128.185254][ T4447] invoke_syscall+0x98/0x2b8 [ 128.186492][ T4447] el0_svc_common+0x138/0x258 [ 128.187774][ T4447] do_el0_svc+0x58/0x14c [ 128.188898][ T4447] el0_svc+0x7c/0x1f0 [ 128.189946][ T4447] el0t_64_sync_handler+0x84/0xe4 [ 128.191302][ T4447] el0t_64_sync+0x1a0/0x1a4 [ 128.192783][ T4447] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 128.198286][ T4446] block nbd0: shutting down sockets executing program [ 128.301895][ T4450] block nbd0: Device being setup by another task [ 128.304347][ T4449] FAULT_INJECTION: forcing a failure. [ 128.304347][ T4449] name failslab, interval 1, probability 0, space 0, times 0 [ 128.307611][ T4449] CPU: 1 PID: 4449 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 128.309813][ T4449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 128.312378][ T4449] Call trace: [ 128.313243][ T4449] dump_backtrace+0x0/0x530 [ 128.314460][ T4449] show_stack+0x2c/0x3c [ 128.315624][ T4449] dump_stack_lvl+0x108/0x170 [ 128.316927][ T4449] dump_stack+0x1c/0x58 [ 128.318033][ T4449] should_fail+0x400/0x5cc [ 128.319227][ T4449] __should_failslab+0xbc/0x110 [ 128.320509][ T4449] should_failslab+0x10/0x28 [ 128.321697][ T4449] slab_pre_alloc_hook+0x64/0xe8 [ 128.323032][ T4449] kmem_cache_alloc+0x98/0x45c [ 128.324292][ T4449] new_inode_pseudo+0x110/0x200 [ 128.325629][ T4449] new_inode+0x38/0x174 [ 128.326760][ T4449] debugfs_create_dir+0xf0/0x420 [ 128.328067][ T4449] nbd_start_device+0x3bc/0xb34 [ 128.329358][ T4449] nbd_ioctl+0x420/0xc2c [ 128.330505][ T4449] blkdev_ioctl+0x3d8/0xbd0 [ 128.331741][ T4449] block_ioctl+0xa8/0x114 [ 128.332881][ T4449] __arm64_sys_ioctl+0x14c/0x1c8 [ 128.334170][ T4449] invoke_syscall+0x98/0x2b8 [ 128.335387][ T4449] el0_svc_common+0x138/0x258 [ 128.336717][ T4449] do_el0_svc+0x58/0x14c [ 128.337843][ T4449] el0_svc+0x7c/0x1f0 [ 128.338901][ T4449] el0t_64_sync_handler+0x84/0xe4 [ 128.340199][ T4449] el0t_64_sync+0x1a0/0x1a4 [ 128.341522][ T4449] debugfs: out of free dentries, can not create directory 'nbd0' [ 128.343678][ T4449] block nbd0: Failed to create debugfs dir for 'nbd0' [ 128.356030][ T4450] block nbd0: shutting down sockets executing program [ 128.485728][ T4452] FAULT_INJECTION: forcing a failure. [ 128.485728][ T4452] name failslab, interval 1, probability 0, space 0, times 0 [ 128.489093][ T4452] CPU: 0 PID: 4452 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 128.491248][ T4452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 128.493840][ T4452] Call trace: [ 128.494695][ T4452] dump_backtrace+0x0/0x530 [ 128.495945][ T4452] show_stack+0x2c/0x3c [ 128.497045][ T4452] dump_stack_lvl+0x108/0x170 [ 128.498284][ T4452] dump_stack+0x1c/0x58 [ 128.499396][ T4452] should_fail+0x400/0x5cc [ 128.500686][ T4452] __should_failslab+0xbc/0x110 [ 128.501978][ T4452] should_failslab+0x10/0x28 [ 128.503220][ T4452] slab_pre_alloc_hook+0x64/0xe8 [ 128.504536][ T4452] __kmalloc_node+0xbc/0x5b8 [ 128.505784][ T4452] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 128.507271][ T4452] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 128.508831][ T4452] nbd_start_device+0x158/0xb34 [ 128.510145][ T4452] nbd_ioctl+0x420/0xc2c [ 128.511258][ T4452] blkdev_ioctl+0x3d8/0xbd0 [ 128.512443][ T4452] block_ioctl+0xa8/0x114 [ 128.513553][ T4452] __arm64_sys_ioctl+0x14c/0x1c8 [ 128.514852][ T4452] invoke_syscall+0x98/0x2b8 [ 128.516081][ T4452] el0_svc_common+0x138/0x258 [ 128.517362][ T4452] do_el0_svc+0x58/0x14c [ 128.518527][ T4452] el0_svc+0x7c/0x1f0 [ 128.519600][ T4452] el0t_64_sync_handler+0x84/0xe4 [ 128.520908][ T4452] el0t_64_sync+0x1a0/0x1a4 [ 128.522321][ T4452] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 128.527154][ T4453] block nbd0: shutting down sockets executing program [ 128.655693][ T4455] FAULT_INJECTION: forcing a failure. [ 128.655693][ T4455] name failslab, interval 1, probability 0, space 0, times 0 [ 128.658973][ T4455] CPU: 1 PID: 4455 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 128.661125][ T4455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 128.663757][ T4455] Call trace: [ 128.664628][ T4455] dump_backtrace+0x0/0x530 [ 128.665837][ T4455] show_stack+0x2c/0x3c [ 128.666910][ T4455] dump_stack_lvl+0x108/0x170 [ 128.668162][ T4455] dump_stack+0x1c/0x58 [ 128.669251][ T4455] should_fail+0x400/0x5cc [ 128.670434][ T4455] __should_failslab+0xbc/0x110 [ 128.671784][ T4455] should_failslab+0x10/0x28 [ 128.673017][ T4455] slab_pre_alloc_hook+0x64/0xe8 [ 128.674300][ T4455] __kmalloc_node+0xbc/0x5b8 [ 128.675518][ T4455] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 128.676920][ T4455] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 128.678479][ T4455] nbd_start_device+0x158/0xb34 [ 128.679752][ T4455] nbd_ioctl+0x420/0xc2c [ 128.680824][ T4455] blkdev_ioctl+0x3d8/0xbd0 [ 128.681945][ T4455] block_ioctl+0xa8/0x114 [ 128.683077][ T4455] __arm64_sys_ioctl+0x14c/0x1c8 [ 128.684380][ T4455] invoke_syscall+0x98/0x2b8 [ 128.685615][ T4455] el0_svc_common+0x138/0x258 [ 128.686920][ T4455] do_el0_svc+0x58/0x14c [ 128.688029][ T4455] el0_svc+0x7c/0x1f0 [ 128.689072][ T4455] el0t_64_sync_handler+0x84/0xe4 [ 128.690371][ T4455] el0t_64_sync+0x1a0/0x1a4 [ 128.691823][ T4455] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 128.696079][ T4456] block nbd0: shutting down sockets executing program [ 128.855880][ T4458] FAULT_INJECTION: forcing a failure. [ 128.855880][ T4458] name failslab, interval 1, probability 0, space 0, times 0 [ 128.859164][ T4458] CPU: 1 PID: 4458 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 128.861396][ T4458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 128.864069][ T4458] Call trace: [ 128.864909][ T4458] dump_backtrace+0x0/0x530 [ 128.866109][ T4458] show_stack+0x2c/0x3c [ 128.867308][ T4458] dump_stack_lvl+0x108/0x170 [ 128.868552][ T4458] dump_stack+0x1c/0x58 [ 128.869611][ T4458] should_fail+0x400/0x5cc [ 128.870754][ T4458] __should_failslab+0xbc/0x110 [ 128.872105][ T4458] should_failslab+0x10/0x28 [ 128.873389][ T4458] slab_pre_alloc_hook+0x64/0xe8 [ 128.874745][ T4458] __kmalloc_node+0xbc/0x5b8 [ 128.875966][ T4458] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 128.877408][ T4458] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 128.878969][ T4458] nbd_start_device+0x158/0xb34 [ 128.880291][ T4458] nbd_ioctl+0x420/0xc2c [ 128.881414][ T4458] blkdev_ioctl+0x3d8/0xbd0 [ 128.882560][ T4458] block_ioctl+0xa8/0x114 [ 128.883682][ T4458] __arm64_sys_ioctl+0x14c/0x1c8 [ 128.885054][ T4458] invoke_syscall+0x98/0x2b8 [ 128.886265][ T4458] el0_svc_common+0x138/0x258 [ 128.887485][ T4458] do_el0_svc+0x58/0x14c [ 128.888645][ T4458] el0_svc+0x7c/0x1f0 [ 128.889717][ T4458] el0t_64_sync_handler+0x84/0xe4 [ 128.891079][ T4458] el0t_64_sync+0x1a0/0x1a4 [ 128.892513][ T4458] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 128.897963][ T4459] block nbd0: shutting down sockets executing program [ 129.045805][ T4462] FAULT_INJECTION: forcing a failure. [ 129.045805][ T4462] name failslab, interval 1, probability 0, space 0, times 0 [ 129.049141][ T4462] CPU: 1 PID: 4462 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 129.051294][ T4462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 129.053985][ T4462] Call trace: [ 129.054883][ T4462] dump_backtrace+0x0/0x530 [ 129.056070][ T4462] show_stack+0x2c/0x3c [ 129.057177][ T4462] dump_stack_lvl+0x108/0x170 [ 129.058435][ T4462] dump_stack+0x1c/0x58 [ 129.059483][ T4462] should_fail+0x400/0x5cc [ 129.060634][ T4462] __should_failslab+0xbc/0x110 [ 129.061908][ T4462] should_failslab+0x10/0x28 [ 129.063236][ T4462] slab_pre_alloc_hook+0x64/0xe8 [ 129.064598][ T4462] __kmalloc_node+0xbc/0x5b8 [ 129.065809][ T4462] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 129.067231][ T4462] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 129.068817][ T4462] nbd_start_device+0x158/0xb34 [ 129.070140][ T4462] nbd_ioctl+0x420/0xc2c [ 129.071315][ T4462] blkdev_ioctl+0x3d8/0xbd0 [ 129.072485][ T4462] block_ioctl+0xa8/0x114 [ 129.073643][ T4462] __arm64_sys_ioctl+0x14c/0x1c8 [ 129.074842][ T4462] invoke_syscall+0x98/0x2b8 [ 129.076073][ T4462] el0_svc_common+0x138/0x258 [ 129.077332][ T4462] do_el0_svc+0x58/0x14c [ 129.078463][ T4462] el0_svc+0x7c/0x1f0 [ 129.079546][ T4462] el0t_64_sync_handler+0x84/0xe4 [ 129.080907][ T4462] el0t_64_sync+0x1a0/0x1a4 [ 129.082400][ T4462] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 129.087225][ T4463] block nbd0: shutting down sockets executing program [ 129.235753][ T4465] FAULT_INJECTION: forcing a failure. [ 129.235753][ T4465] name failslab, interval 1, probability 0, space 0, times 0 [ 129.239152][ T4465] CPU: 1 PID: 4465 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 129.241453][ T4465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 129.244141][ T4465] Call trace: [ 129.245106][ T4465] dump_backtrace+0x0/0x530 [ 129.246267][ T4465] show_stack+0x2c/0x3c [ 129.247355][ T4465] dump_stack_lvl+0x108/0x170 [ 129.248583][ T4465] dump_stack+0x1c/0x58 [ 129.249716][ T4465] should_fail+0x400/0x5cc [ 129.250930][ T4465] __should_failslab+0xbc/0x110 [ 129.252197][ T4465] should_failslab+0x10/0x28 [ 129.253433][ T4465] slab_pre_alloc_hook+0x64/0xe8 [ 129.254629][ T4465] __kmalloc_node+0xbc/0x5b8 [ 129.255764][ T4465] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 129.257181][ T4465] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 129.258717][ T4465] nbd_start_device+0x158/0xb34 [ 129.260022][ T4465] nbd_ioctl+0x420/0xc2c [ 129.261174][ T4465] blkdev_ioctl+0x3d8/0xbd0 [ 129.262375][ T4465] block_ioctl+0xa8/0x114 [ 129.263532][ T4465] __arm64_sys_ioctl+0x14c/0x1c8 [ 129.264913][ T4465] invoke_syscall+0x98/0x2b8 [ 129.266134][ T4465] el0_svc_common+0x138/0x258 [ 129.267365][ T4465] do_el0_svc+0x58/0x14c [ 129.268506][ T4465] el0_svc+0x7c/0x1f0 [ 129.269572][ T4465] el0t_64_sync_handler+0x84/0xe4 [ 129.270970][ T4465] el0t_64_sync+0x1a0/0x1a4 [ 129.272431][ T4465] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 129.276728][ T4466] block nbd0: shutting down sockets executing program [ 129.425651][ T4468] FAULT_INJECTION: forcing a failure. [ 129.425651][ T4468] name failslab, interval 1, probability 0, space 0, times 0 [ 129.429167][ T4468] CPU: 1 PID: 4468 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 129.431359][ T4468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 129.434144][ T4468] Call trace: [ 129.435016][ T4468] dump_backtrace+0x0/0x530 [ 129.436188][ T4468] show_stack+0x2c/0x3c [ 129.437379][ T4468] dump_stack_lvl+0x108/0x170 [ 129.438683][ T4468] dump_stack+0x1c/0x58 [ 129.439808][ T4468] should_fail+0x400/0x5cc [ 129.441062][ T4468] __should_failslab+0xbc/0x110 [ 129.442399][ T4468] should_failslab+0x10/0x28 [ 129.443658][ T4468] slab_pre_alloc_hook+0x64/0xe8 [ 129.445002][ T4468] __kmalloc_node+0xbc/0x5b8 [ 129.446180][ T4468] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 129.447580][ T4468] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 129.449095][ T4468] nbd_start_device+0x158/0xb34 [ 129.450414][ T4468] nbd_ioctl+0x420/0xc2c [ 129.451502][ T4468] blkdev_ioctl+0x3d8/0xbd0 [ 129.452696][ T4468] block_ioctl+0xa8/0x114 [ 129.453826][ T4468] __arm64_sys_ioctl+0x14c/0x1c8 [ 129.455135][ T4468] invoke_syscall+0x98/0x2b8 [ 129.456375][ T4468] el0_svc_common+0x138/0x258 [ 129.457605][ T4468] do_el0_svc+0x58/0x14c [ 129.458731][ T4468] el0_svc+0x7c/0x1f0 [ 129.459837][ T4468] el0t_64_sync_handler+0x84/0xe4 [ 129.461158][ T4468] el0t_64_sync+0x1a0/0x1a4 [ 129.463207][ T4468] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 129.467539][ T4469] block nbd0: shutting down sockets executing program [ 129.591899][ T4472] block nbd0: Device being setup by another task [ 129.593810][ T4471] FAULT_INJECTION: forcing a failure. [ 129.593810][ T4471] name failslab, interval 1, probability 0, space 0, times 0 [ 129.597182][ T4471] CPU: 0 PID: 4471 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 129.599375][ T4471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 129.602100][ T4471] Call trace: [ 129.602983][ T4471] dump_backtrace+0x0/0x530 [ 129.604201][ T4471] show_stack+0x2c/0x3c [ 129.605329][ T4471] dump_stack_lvl+0x108/0x170 [ 129.606561][ T4471] dump_stack+0x1c/0x58 [ 129.607664][ T4471] should_fail+0x400/0x5cc [ 129.608855][ T4471] __should_failslab+0xbc/0x110 [ 129.610091][ T4471] should_failslab+0x10/0x28 [ 129.611344][ T4471] slab_pre_alloc_hook+0x64/0xe8 [ 129.612646][ T4471] kmem_cache_alloc+0x98/0x45c [ 129.613928][ T4471] new_inode_pseudo+0x110/0x200 [ 129.615208][ T4471] new_inode+0x38/0x174 [ 129.616361][ T4471] debugfs_create_dir+0xf0/0x420 [ 129.617749][ T4471] nbd_start_device+0x3bc/0xb34 [ 129.619044][ T4471] nbd_ioctl+0x420/0xc2c [ 129.620140][ T4471] blkdev_ioctl+0x3d8/0xbd0 [ 129.621418][ T4471] block_ioctl+0xa8/0x114 [ 129.622601][ T4471] __arm64_sys_ioctl+0x14c/0x1c8 [ 129.623937][ T4471] invoke_syscall+0x98/0x2b8 [ 129.625180][ T4471] el0_svc_common+0x138/0x258 [ 129.626439][ T4471] do_el0_svc+0x58/0x14c [ 129.627562][ T4471] el0_svc+0x7c/0x1f0 [ 129.628624][ T4471] el0t_64_sync_handler+0x84/0xe4 [ 129.629999][ T4471] el0t_64_sync+0x1a0/0x1a4 [ 129.631259][ T4471] debugfs: out of free dentries, can not create directory 'nbd0' [ 129.633418][ T4471] block nbd0: Failed to create debugfs dir for 'nbd0' [ 129.636050][ T4472] block nbd0: shutting down sockets executing program [ 129.771994][ T4475] block nbd0: Device being setup by another task [ 129.773856][ T4474] FAULT_INJECTION: forcing a failure. [ 129.773856][ T4474] name failslab, interval 1, probability 0, space 0, times 0 [ 129.777591][ T4474] CPU: 1 PID: 4474 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 129.780057][ T4474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 129.782865][ T4474] Call trace: [ 129.783820][ T4474] dump_backtrace+0x0/0x530 [ 129.785145][ T4474] show_stack+0x2c/0x3c [ 129.786376][ T4474] dump_stack_lvl+0x108/0x170 [ 129.787794][ T4474] dump_stack+0x1c/0x58 [ 129.789076][ T4474] should_fail+0x400/0x5cc [ 129.790387][ T4474] __should_failslab+0xbc/0x110 [ 129.791807][ T4474] should_failslab+0x10/0x28 [ 129.793216][ T4474] slab_pre_alloc_hook+0x64/0xe8 [ 129.794667][ T4474] kmem_cache_alloc+0x98/0x45c [ 129.796093][ T4474] new_inode_pseudo+0x110/0x200 [ 129.797528][ T4474] new_inode+0x38/0x174 [ 129.798753][ T4474] debugfs_create_dir+0xf0/0x420 [ 129.800161][ T4474] nbd_start_device+0x3bc/0xb34 [ 129.801564][ T4474] nbd_ioctl+0x420/0xc2c [ 129.802709][ T4474] blkdev_ioctl+0x3d8/0xbd0 [ 129.804053][ T4474] block_ioctl+0xa8/0x114 [ 129.805350][ T4474] __arm64_sys_ioctl+0x14c/0x1c8 [ 129.806879][ T4474] invoke_syscall+0x98/0x2b8 [ 129.808281][ T4474] el0_svc_common+0x138/0x258 [ 129.809601][ T4474] do_el0_svc+0x58/0x14c [ 129.810853][ T4474] el0_svc+0x7c/0x1f0 [ 129.812063][ T4474] el0t_64_sync_handler+0x84/0xe4 [ 129.813564][ T4474] el0t_64_sync+0x1a0/0x1a4 [ 129.815102][ T4474] debugfs: out of free dentries, can not create directory 'nbd0' [ 129.817383][ T4474] block nbd0: Failed to create debugfs dir for 'nbd0' [ 129.819508][ T4475] block nbd0: shutting down sockets executing program [ 129.955811][ T4477] FAULT_INJECTION: forcing a failure. [ 129.955811][ T4477] name failslab, interval 1, probability 0, space 0, times 0 [ 129.959404][ T4477] CPU: 0 PID: 4477 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 129.961930][ T4477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 129.964889][ T4477] Call trace: [ 129.965861][ T4477] dump_backtrace+0x0/0x530 [ 129.967187][ T4477] show_stack+0x2c/0x3c [ 129.968393][ T4477] dump_stack_lvl+0x108/0x170 [ 129.969743][ T4477] dump_stack+0x1c/0x58 [ 129.970948][ T4477] should_fail+0x400/0x5cc [ 129.972297][ T4477] __should_failslab+0xbc/0x110 [ 129.973722][ T4477] should_failslab+0x10/0x28 [ 129.975058][ T4477] slab_pre_alloc_hook+0x64/0xe8 [ 129.976628][ T4477] __kmalloc_node+0xbc/0x5b8 [ 129.978015][ T4477] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 129.979642][ T4477] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 129.981328][ T4477] nbd_start_device+0x158/0xb34 [ 129.982780][ T4477] nbd_ioctl+0x420/0xc2c [ 129.984028][ T4477] blkdev_ioctl+0x3d8/0xbd0 [ 129.985370][ T4477] block_ioctl+0xa8/0x114 [ 129.986626][ T4477] __arm64_sys_ioctl+0x14c/0x1c8 [ 129.988115][ T4477] invoke_syscall+0x98/0x2b8 [ 129.989427][ T4477] el0_svc_common+0x138/0x258 [ 129.990771][ T4477] do_el0_svc+0x58/0x14c [ 129.992036][ T4477] el0_svc+0x7c/0x1f0 [ 129.993244][ T4477] el0t_64_sync_handler+0x84/0xe4 [ 129.994790][ T4477] el0t_64_sync+0x1a0/0x1a4 [ 129.996307][ T4477] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 130.000841][ T4478] block nbd0: shutting down sockets executing program [ 130.195662][ T4481] FAULT_INJECTION: forcing a failure. [ 130.195662][ T4481] name failslab, interval 1, probability 0, space 0, times 0 [ 130.199008][ T4481] CPU: 0 PID: 4481 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 130.201350][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 130.203973][ T4481] Call trace: [ 130.204876][ T4481] dump_backtrace+0x0/0x530 [ 130.206049][ T4481] show_stack+0x2c/0x3c [ 130.207167][ T4481] dump_stack_lvl+0x108/0x170 [ 130.208407][ T4481] dump_stack+0x1c/0x58 [ 130.209489][ T4481] should_fail+0x400/0x5cc [ 130.210662][ T4481] __should_failslab+0xbc/0x110 [ 130.211936][ T4481] should_failslab+0x10/0x28 [ 130.213096][ T4481] slab_pre_alloc_hook+0x64/0xe8 [ 130.214484][ T4481] __kmalloc_node+0xbc/0x5b8 [ 130.215790][ T4481] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 130.217173][ T4481] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 130.218717][ T4481] nbd_start_device+0x158/0xb34 [ 130.219967][ T4481] nbd_ioctl+0x420/0xc2c [ 130.221136][ T4481] blkdev_ioctl+0x3d8/0xbd0 [ 130.222415][ T4481] block_ioctl+0xa8/0x114 [ 130.223544][ T4481] __arm64_sys_ioctl+0x14c/0x1c8 [ 130.224886][ T4481] invoke_syscall+0x98/0x2b8 [ 130.226077][ T4481] el0_svc_common+0x138/0x258 [ 130.227331][ T4481] do_el0_svc+0x58/0x14c [ 130.228388][ T4481] el0_svc+0x7c/0x1f0 [ 130.229452][ T4481] el0t_64_sync_handler+0x84/0xe4 [ 130.230747][ T4481] el0t_64_sync+0x1a0/0x1a4 [ 130.232869][ T4481] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 130.237525][ T4480] block nbd0: shutting down sockets executing program [ 130.356737][ T4484] FAULT_INJECTION: forcing a failure. [ 130.356737][ T4484] name failslab, interval 1, probability 0, space 0, times 0 [ 130.360032][ T4484] CPU: 0 PID: 4484 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 130.362273][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 130.365037][ T4484] Call trace: [ 130.365935][ T4484] dump_backtrace+0x0/0x530 [ 130.367122][ T4484] show_stack+0x2c/0x3c [ 130.368193][ T4484] dump_stack_lvl+0x108/0x170 [ 130.369452][ T4484] dump_stack+0x1c/0x58 [ 130.370518][ T4484] should_fail+0x400/0x5cc [ 130.371656][ T4484] __should_failslab+0xbc/0x110 [ 130.372895][ T4484] should_failslab+0x10/0x28 [ 130.374107][ T4484] slab_pre_alloc_hook+0x64/0xe8 [ 130.375408][ T4484] __kmalloc_node+0xbc/0x5b8 [ 130.376614][ T4484] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 130.378074][ T4484] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 130.379593][ T4484] nbd_start_device+0x158/0xb34 [ 130.380991][ T4484] nbd_ioctl+0x420/0xc2c [ 130.382119][ T4484] blkdev_ioctl+0x3d8/0xbd0 [ 130.383305][ T4484] block_ioctl+0xa8/0x114 [ 130.384419][ T4484] __arm64_sys_ioctl+0x14c/0x1c8 [ 130.385788][ T4484] invoke_syscall+0x98/0x2b8 [ 130.386994][ T4484] el0_svc_common+0x138/0x258 [ 130.388235][ T4484] do_el0_svc+0x58/0x14c [ 130.389423][ T4484] el0_svc+0x7c/0x1f0 [ 130.390489][ T4484] el0t_64_sync_handler+0x84/0xe4 [ 130.391811][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 130.393179][ T4484] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 130.397964][ T4485] block nbd0: shutting down sockets executing program [ 130.545760][ T4487] FAULT_INJECTION: forcing a failure. [ 130.545760][ T4487] name failslab, interval 1, probability 0, space 0, times 0 [ 130.549105][ T4487] CPU: 0 PID: 4487 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 130.551299][ T4487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 130.553817][ T4487] Call trace: [ 130.554689][ T4487] dump_backtrace+0x0/0x530 [ 130.555871][ T4487] show_stack+0x2c/0x3c [ 130.556982][ T4487] dump_stack_lvl+0x108/0x170 [ 130.558208][ T4487] dump_stack+0x1c/0x58 [ 130.559309][ T4487] should_fail+0x400/0x5cc [ 130.560512][ T4487] __should_failslab+0xbc/0x110 [ 130.561740][ T4487] should_failslab+0x10/0x28 [ 130.563001][ T4487] slab_pre_alloc_hook+0x64/0xe8 [ 130.564263][ T4487] __kmalloc_node+0xbc/0x5b8 [ 130.565465][ T4487] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 130.566830][ T4487] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 130.568240][ T4487] nbd_start_device+0x158/0xb34 [ 130.569487][ T4487] nbd_ioctl+0x420/0xc2c [ 130.570518][ T4487] blkdev_ioctl+0x3d8/0xbd0 [ 130.571722][ T4487] block_ioctl+0xa8/0x114 [ 130.572858][ T4487] __arm64_sys_ioctl+0x14c/0x1c8 [ 130.574186][ T4487] invoke_syscall+0x98/0x2b8 [ 130.575378][ T4487] el0_svc_common+0x138/0x258 [ 130.576611][ T4487] do_el0_svc+0x58/0x14c [ 130.577725][ T4487] el0_svc+0x7c/0x1f0 [ 130.578780][ T4487] el0t_64_sync_handler+0x84/0xe4 [ 130.580150][ T4487] el0t_64_sync+0x1a0/0x1a4 [ 130.581379][ T4487] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 130.585660][ T4488] block nbd0: shutting down sockets executing program [ 130.731895][ T4491] block nbd0: Device being setup by another task [ 130.733886][ T4490] FAULT_INJECTION: forcing a failure. [ 130.733886][ T4490] name failslab, interval 1, probability 0, space 0, times 0 [ 130.737121][ T4490] CPU: 1 PID: 4490 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 130.739431][ T4490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 130.741982][ T4490] Call trace: [ 130.742834][ T4490] dump_backtrace+0x0/0x530 [ 130.744040][ T4490] show_stack+0x2c/0x3c [ 130.745202][ T4490] dump_stack_lvl+0x108/0x170 [ 130.746422][ T4490] dump_stack+0x1c/0x58 [ 130.747555][ T4490] should_fail+0x400/0x5cc [ 130.748752][ T4490] __should_failslab+0xbc/0x110 [ 130.750053][ T4490] should_failslab+0x10/0x28 [ 130.751263][ T4490] slab_pre_alloc_hook+0x64/0xe8 [ 130.752557][ T4490] kmem_cache_alloc+0x98/0x45c [ 130.753816][ T4490] new_inode_pseudo+0x110/0x200 [ 130.755095][ T4490] new_inode+0x38/0x174 [ 130.756175][ T4490] debugfs_create_dir+0xf0/0x420 [ 130.757466][ T4490] nbd_start_device+0x3bc/0xb34 [ 130.758732][ T4490] nbd_ioctl+0x420/0xc2c [ 130.759947][ T4490] blkdev_ioctl+0x3d8/0xbd0 [ 130.761299][ T4490] block_ioctl+0xa8/0x114 [ 130.762447][ T4490] __arm64_sys_ioctl+0x14c/0x1c8 [ 130.763797][ T4490] invoke_syscall+0x98/0x2b8 [ 130.764996][ T4490] el0_svc_common+0x138/0x258 [ 130.766200][ T4490] do_el0_svc+0x58/0x14c [ 130.767312][ T4490] el0_svc+0x7c/0x1f0 [ 130.768346][ T4490] el0t_64_sync_handler+0x84/0xe4 [ 130.769678][ T4490] el0t_64_sync+0x1a0/0x1a4 [ 130.771081][ T4490] debugfs: out of free dentries, can not create directory 'nbd0' [ 130.773262][ T4490] block nbd0: Failed to create debugfs dir for 'nbd0' [ 130.775544][ T4491] block nbd0: shutting down sockets executing program [ 130.915662][ T4493] FAULT_INJECTION: forcing a failure. [ 130.915662][ T4493] name failslab, interval 1, probability 0, space 0, times 0 [ 130.918932][ T4493] CPU: 1 PID: 4493 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 130.921170][ T4493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 130.923863][ T4493] Call trace: [ 130.924737][ T4493] dump_backtrace+0x0/0x530 [ 130.925952][ T4493] show_stack+0x2c/0x3c [ 130.927056][ T4493] dump_stack_lvl+0x108/0x170 [ 130.928241][ T4493] dump_stack+0x1c/0x58 [ 130.929305][ T4493] should_fail+0x400/0x5cc [ 130.930475][ T4493] __should_failslab+0xbc/0x110 [ 130.931754][ T4493] should_failslab+0x10/0x28 [ 130.932954][ T4493] slab_pre_alloc_hook+0x64/0xe8 [ 130.934252][ T4493] __kmalloc_node+0xbc/0x5b8 [ 130.935504][ T4493] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 130.937060][ T4493] nbd_start_device+0x158/0xb34 [ 130.938325][ T4493] nbd_ioctl+0x420/0xc2c [ 130.939398][ T4493] blkdev_ioctl+0x3d8/0xbd0 [ 130.940562][ T4493] block_ioctl+0xa8/0x114 [ 130.941730][ T4493] __arm64_sys_ioctl+0x14c/0x1c8 [ 130.943058][ T4493] invoke_syscall+0x98/0x2b8 [ 130.944293][ T4493] el0_svc_common+0x138/0x258 [ 130.945504][ T4493] do_el0_svc+0x58/0x14c [ 130.946604][ T4493] el0_svc+0x7c/0x1f0 [ 130.947647][ T4493] el0t_64_sync_handler+0x84/0xe4 [ 130.949053][ T4493] el0t_64_sync+0x1a0/0x1a4 [ 130.953968][ T4494] block nbd0: shutting down sockets executing program [ 131.115719][ T4496] FAULT_INJECTION: forcing a failure. [ 131.115719][ T4496] name failslab, interval 1, probability 0, space 0, times 0 [ 131.119024][ T4496] CPU: 1 PID: 4496 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 131.121228][ T4496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 131.123924][ T4496] Call trace: [ 131.124805][ T4496] dump_backtrace+0x0/0x530 [ 131.126002][ T4496] show_stack+0x2c/0x3c [ 131.127108][ T4496] dump_stack_lvl+0x108/0x170 [ 131.128352][ T4496] dump_stack+0x1c/0x58 [ 131.129438][ T4496] should_fail+0x400/0x5cc [ 131.130646][ T4496] __should_failslab+0xbc/0x110 [ 131.131924][ T4496] should_failslab+0x10/0x28 [ 131.133133][ T4496] slab_pre_alloc_hook+0x64/0xe8 [ 131.134473][ T4496] __kmalloc_node+0xbc/0x5b8 [ 131.135724][ T4496] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 131.137125][ T4496] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 131.138683][ T4496] nbd_start_device+0x158/0xb34 [ 131.139981][ T4496] nbd_ioctl+0x420/0xc2c [ 131.141108][ T4496] blkdev_ioctl+0x3d8/0xbd0 [ 131.142260][ T4496] block_ioctl+0xa8/0x114 [ 131.143394][ T4496] __arm64_sys_ioctl+0x14c/0x1c8 [ 131.144651][ T4496] invoke_syscall+0x98/0x2b8 [ 131.145851][ T4496] el0_svc_common+0x138/0x258 [ 131.147110][ T4496] do_el0_svc+0x58/0x14c [ 131.148210][ T4496] el0_svc+0x7c/0x1f0 [ 131.149243][ T4496] el0t_64_sync_handler+0x84/0xe4 [ 131.150564][ T4496] el0t_64_sync+0x1a0/0x1a4 [ 131.152051][ T4496] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 131.157214][ T4497] block nbd0: shutting down sockets executing program [ 131.281943][ T4501] block nbd0: Device being setup by another task [ 131.283997][ T4500] FAULT_INJECTION: forcing a failure. [ 131.283997][ T4500] name failslab, interval 1, probability 0, space 0, times 0 [ 131.287218][ T4500] CPU: 0 PID: 4500 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 131.289437][ T4500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 131.291984][ T4500] Call trace: [ 131.292810][ T4500] dump_backtrace+0x0/0x530 [ 131.293999][ T4500] show_stack+0x2c/0x3c [ 131.295093][ T4500] dump_stack_lvl+0x108/0x170 [ 131.296292][ T4500] dump_stack+0x1c/0x58 [ 131.297394][ T4500] should_fail+0x400/0x5cc [ 131.298562][ T4500] __should_failslab+0xbc/0x110 [ 131.299879][ T4500] should_failslab+0x10/0x28 [ 131.301137][ T4500] slab_pre_alloc_hook+0x64/0xe8 [ 131.302491][ T4500] kmem_cache_alloc+0x98/0x45c [ 131.303850][ T4500] new_inode_pseudo+0x110/0x200 [ 131.305156][ T4500] new_inode+0x38/0x174 [ 131.306283][ T4500] debugfs_create_dir+0xf0/0x420 [ 131.307627][ T4500] nbd_start_device+0x3bc/0xb34 [ 131.309041][ T4500] nbd_ioctl+0x420/0xc2c [ 131.310152][ T4500] blkdev_ioctl+0x3d8/0xbd0 [ 131.311388][ T4500] block_ioctl+0xa8/0x114 [ 131.312518][ T4500] __arm64_sys_ioctl+0x14c/0x1c8 [ 131.313839][ T4500] invoke_syscall+0x98/0x2b8 [ 131.315046][ T4500] el0_svc_common+0x138/0x258 [ 131.316297][ T4500] do_el0_svc+0x58/0x14c [ 131.317478][ T4500] el0_svc+0x7c/0x1f0 [ 131.318543][ T4500] el0t_64_sync_handler+0x84/0xe4 [ 131.319887][ T4500] el0t_64_sync+0x1a0/0x1a4 [ 131.321236][ T4500] debugfs: out of free dentries, can not create directory 'nbd0' [ 131.323390][ T4500] block nbd0: Failed to create debugfs dir for 'nbd0' [ 131.326536][ T4501] block nbd0: shutting down sockets executing program [ 131.486154][ T4504] FAULT_INJECTION: forcing a failure. [ 131.486154][ T4504] name failslab, interval 1, probability 0, space 0, times 0 [ 131.489670][ T4504] CPU: 0 PID: 4504 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 131.492075][ T4504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 131.494879][ T4504] Call trace: [ 131.495760][ T4504] dump_backtrace+0x0/0x530 [ 131.497131][ T4504] show_stack+0x2c/0x3c [ 131.498292][ T4504] dump_stack_lvl+0x108/0x170 [ 131.499538][ T4504] dump_stack+0x1c/0x58 [ 131.500693][ T4504] should_fail+0x400/0x5cc [ 131.501913][ T4504] __should_failslab+0xbc/0x110 [ 131.503307][ T4504] should_failslab+0x10/0x28 [ 131.504568][ T4504] slab_pre_alloc_hook+0x64/0xe8 [ 131.505923][ T4504] __kmalloc_node+0xbc/0x5b8 [ 131.507183][ T4504] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 131.508632][ T4504] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 131.510196][ T4504] nbd_start_device+0x158/0xb34 [ 131.511519][ T4504] nbd_ioctl+0x420/0xc2c [ 131.512715][ T4504] blkdev_ioctl+0x3d8/0xbd0 [ 131.513951][ T4504] block_ioctl+0xa8/0x114 [ 131.515103][ T4504] __arm64_sys_ioctl+0x14c/0x1c8 [ 131.516439][ T4504] invoke_syscall+0x98/0x2b8 [ 131.517766][ T4504] el0_svc_common+0x138/0x258 [ 131.518998][ T4504] do_el0_svc+0x58/0x14c [ 131.520095][ T4504] el0_svc+0x7c/0x1f0 [ 131.521187][ T4504] el0t_64_sync_handler+0x84/0xe4 [ 131.522491][ T4504] el0t_64_sync+0x1a0/0x1a4 [ 131.523811][ T4504] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 131.528730][ T4503] block nbd0: shutting down sockets executing program [ 131.645763][ T4506] FAULT_INJECTION: forcing a failure. [ 131.645763][ T4506] name failslab, interval 1, probability 0, space 0, times 0 [ 131.649215][ T4506] CPU: 0 PID: 4506 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 131.651511][ T4506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 131.654155][ T4506] Call trace: [ 131.655025][ T4506] dump_backtrace+0x0/0x530 [ 131.656264][ T4506] show_stack+0x2c/0x3c [ 131.657403][ T4506] dump_stack_lvl+0x108/0x170 [ 131.658674][ T4506] dump_stack+0x1c/0x58 [ 131.659824][ T4506] should_fail+0x400/0x5cc [ 131.660986][ T4506] __should_failslab+0xbc/0x110 [ 131.662261][ T4506] should_failslab+0x10/0x28 [ 131.663511][ T4506] slab_pre_alloc_hook+0x64/0xe8 [ 131.664884][ T4506] __kmalloc_node+0xbc/0x5b8 [ 131.666137][ T4506] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 131.667570][ T4506] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 131.669211][ T4506] nbd_start_device+0x158/0xb34 [ 131.670511][ T4506] nbd_ioctl+0x420/0xc2c [ 131.671647][ T4506] blkdev_ioctl+0x3d8/0xbd0 [ 131.672852][ T4506] block_ioctl+0xa8/0x114 [ 131.673987][ T4506] __arm64_sys_ioctl+0x14c/0x1c8 [ 131.675307][ T4506] invoke_syscall+0x98/0x2b8 [ 131.676536][ T4506] el0_svc_common+0x138/0x258 [ 131.677803][ T4506] do_el0_svc+0x58/0x14c [ 131.678978][ T4506] el0_svc+0x7c/0x1f0 [ 131.680033][ T4506] el0t_64_sync_handler+0x84/0xe4 [ 131.681447][ T4506] el0t_64_sync+0x1a0/0x1a4 [ 131.682963][ T4506] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 131.687295][ T4507] block nbd0: shutting down sockets executing program [ 131.835944][ T4509] FAULT_INJECTION: forcing a failure. [ 131.835944][ T4509] name failslab, interval 1, probability 0, space 0, times 0 [ 131.839350][ T4509] CPU: 1 PID: 4509 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 131.841695][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 131.844313][ T4509] Call trace: [ 131.845224][ T4509] dump_backtrace+0x0/0x530 [ 131.846446][ T4509] show_stack+0x2c/0x3c [ 131.847544][ T4509] dump_stack_lvl+0x108/0x170 [ 131.848800][ T4509] dump_stack+0x1c/0x58 [ 131.849888][ T4509] should_fail+0x400/0x5cc [ 131.851059][ T4509] __should_failslab+0xbc/0x110 [ 131.852368][ T4509] should_failslab+0x10/0x28 [ 131.853640][ T4509] slab_pre_alloc_hook+0x64/0xe8 [ 131.854943][ T4509] __kmalloc_node+0xbc/0x5b8 [ 131.856122][ T4509] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 131.857581][ T4509] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 131.859076][ T4509] nbd_start_device+0x158/0xb34 [ 131.860362][ T4509] nbd_ioctl+0x420/0xc2c [ 131.861504][ T4509] blkdev_ioctl+0x3d8/0xbd0 [ 131.862695][ T4509] block_ioctl+0xa8/0x114 [ 131.863825][ T4509] __arm64_sys_ioctl+0x14c/0x1c8 [ 131.865116][ T4509] invoke_syscall+0x98/0x2b8 [ 131.866322][ T4509] el0_svc_common+0x138/0x258 [ 131.867544][ T4509] do_el0_svc+0x58/0x14c [ 131.868682][ T4509] el0_svc+0x7c/0x1f0 [ 131.869736][ T4509] el0t_64_sync_handler+0x84/0xe4 [ 131.871049][ T4509] el0t_64_sync+0x1a0/0x1a4 [ 131.872440][ T4509] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 131.877463][ T4510] block nbd0: shutting down sockets executing program [ 132.025841][ T4512] FAULT_INJECTION: forcing a failure. [ 132.025841][ T4512] name failslab, interval 1, probability 0, space 0, times 0 [ 132.029307][ T4512] CPU: 0 PID: 4512 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 132.031595][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 132.034382][ T4512] Call trace: [ 132.035254][ T4512] dump_backtrace+0x0/0x530 [ 132.036471][ T4512] show_stack+0x2c/0x3c [ 132.037613][ T4512] dump_stack_lvl+0x108/0x170 [ 132.038952][ T4512] dump_stack+0x1c/0x58 [ 132.040118][ T4512] should_fail+0x400/0x5cc [ 132.041323][ T4512] __should_failslab+0xbc/0x110 [ 132.042622][ T4512] should_failslab+0x10/0x28 [ 132.043958][ T4512] slab_pre_alloc_hook+0x64/0xe8 [ 132.045330][ T4512] __kmalloc_node+0xbc/0x5b8 [ 132.046546][ T4512] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 132.048124][ T4512] nbd_start_device+0x158/0xb34 [ 132.049483][ T4512] nbd_ioctl+0x420/0xc2c [ 132.050646][ T4512] blkdev_ioctl+0x3d8/0xbd0 [ 132.051941][ T4512] block_ioctl+0xa8/0x114 [ 132.053173][ T4512] __arm64_sys_ioctl+0x14c/0x1c8 [ 132.054572][ T4512] invoke_syscall+0x98/0x2b8 [ 132.055850][ T4512] el0_svc_common+0x138/0x258 [ 132.057075][ T4512] do_el0_svc+0x58/0x14c [ 132.058265][ T4512] el0_svc+0x7c/0x1f0 [ 132.059305][ T4512] el0t_64_sync_handler+0x84/0xe4 [ 132.060634][ T4512] el0t_64_sync+0x1a0/0x1a4 [ 132.067330][ T4513] block nbd0: shutting down sockets executing program [ 132.215906][ T4516] FAULT_INJECTION: forcing a failure. [ 132.215906][ T4516] name failslab, interval 1, probability 0, space 0, times 0 [ 132.219165][ T4516] CPU: 0 PID: 4516 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 132.221388][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 132.224046][ T4516] Call trace: [ 132.224955][ T4516] dump_backtrace+0x0/0x530 [ 132.226157][ T4516] show_stack+0x2c/0x3c [ 132.227219][ T4516] dump_stack_lvl+0x108/0x170 [ 132.228433][ T4516] dump_stack+0x1c/0x58 [ 132.229588][ T4516] should_fail+0x400/0x5cc [ 132.230750][ T4516] __should_failslab+0xbc/0x110 [ 132.232026][ T4516] should_failslab+0x10/0x28 [ 132.233241][ T4516] slab_pre_alloc_hook+0x64/0xe8 [ 132.234509][ T4516] __kmalloc_node+0xbc/0x5b8 [ 132.235764][ T4516] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 132.237213][ T4516] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 132.238721][ T4516] nbd_start_device+0x158/0xb34 [ 132.239972][ T4516] nbd_ioctl+0x420/0xc2c [ 132.241080][ T4516] blkdev_ioctl+0x3d8/0xbd0 [ 132.242238][ T4516] block_ioctl+0xa8/0x114 [ 132.243371][ T4516] __arm64_sys_ioctl+0x14c/0x1c8 [ 132.244692][ T4516] invoke_syscall+0x98/0x2b8 [ 132.245897][ T4516] el0_svc_common+0x138/0x258 [ 132.247156][ T4516] do_el0_svc+0x58/0x14c [ 132.248280][ T4516] el0_svc+0x7c/0x1f0 [ 132.249359][ T4516] el0t_64_sync_handler+0x84/0xe4 [ 132.250732][ T4516] el0t_64_sync+0x1a0/0x1a4 [ 132.252086][ T4516] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 132.256522][ T4517] block nbd0: shutting down sockets executing program [ 132.435764][ T4520] FAULT_INJECTION: forcing a failure. [ 132.435764][ T4520] name failslab, interval 1, probability 0, space 0, times 0 [ 132.439138][ T4520] CPU: 0 PID: 4520 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 132.441402][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 132.444087][ T4520] Call trace: [ 132.445011][ T4520] dump_backtrace+0x0/0x530 [ 132.446246][ T4520] show_stack+0x2c/0x3c [ 132.447394][ T4520] dump_stack_lvl+0x108/0x170 [ 132.448639][ T4520] dump_stack+0x1c/0x58 [ 132.449744][ T4520] should_fail+0x400/0x5cc [ 132.450932][ T4520] __should_failslab+0xbc/0x110 [ 132.452231][ T4520] should_failslab+0x10/0x28 [ 132.453491][ T4520] slab_pre_alloc_hook+0x64/0xe8 [ 132.454827][ T4520] __kmalloc_node+0xbc/0x5b8 [ 132.456117][ T4520] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 132.457568][ T4520] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 132.459161][ T4520] nbd_start_device+0x158/0xb34 [ 132.460454][ T4520] nbd_ioctl+0x420/0xc2c [ 132.461582][ T4520] blkdev_ioctl+0x3d8/0xbd0 [ 132.462830][ T4520] block_ioctl+0xa8/0x114 [ 132.464059][ T4520] __arm64_sys_ioctl+0x14c/0x1c8 [ 132.465415][ T4520] invoke_syscall+0x98/0x2b8 [ 132.466627][ T4520] el0_svc_common+0x138/0x258 [ 132.467854][ T4520] do_el0_svc+0x58/0x14c [ 132.469034][ T4520] el0_svc+0x7c/0x1f0 [ 132.470077][ T4520] el0t_64_sync_handler+0x84/0xe4 [ 132.471399][ T4520] el0t_64_sync+0x1a0/0x1a4 [ 132.472774][ T4520] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 132.478626][ T4519] block nbd0: shutting down sockets executing program [ 132.611947][ T4524] block nbd0: Device being setup by another task [ 132.613823][ T4523] FAULT_INJECTION: forcing a failure. [ 132.613823][ T4523] name failslab, interval 1, probability 0, space 0, times 0 [ 132.617305][ T4523] CPU: 0 PID: 4523 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 132.619558][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 132.622403][ T4523] Call trace: [ 132.623317][ T4523] dump_backtrace+0x0/0x530 [ 132.624599][ T4523] show_stack+0x2c/0x3c [ 132.625789][ T4523] dump_stack_lvl+0x108/0x170 [ 132.627036][ T4523] dump_stack+0x1c/0x58 [ 132.628144][ T4523] should_fail+0x400/0x5cc [ 132.629328][ T4523] __should_failslab+0xbc/0x110 [ 132.630663][ T4523] should_failslab+0x10/0x28 [ 132.631990][ T4523] slab_pre_alloc_hook+0x64/0xe8 [ 132.633375][ T4523] kmem_cache_alloc+0x98/0x45c [ 132.634685][ T4523] __d_alloc+0x3c/0x6a8 [ 132.635908][ T4523] d_alloc_parallel+0xb8/0x11bc [ 132.637236][ T4523] __lookup_slow+0x108/0x388 [ 132.638449][ T4523] lookup_one_len+0x178/0x28c [ 132.639750][ T4523] start_creating+0x19c/0x2e0 [ 132.641008][ T4523] debugfs_create_dir+0x34/0x420 [ 132.642339][ T4523] nbd_start_device+0x3bc/0xb34 [ 132.643617][ T4523] nbd_ioctl+0x420/0xc2c [ 132.644777][ T4523] blkdev_ioctl+0x3d8/0xbd0 [ 132.646012][ T4523] block_ioctl+0xa8/0x114 [ 132.647199][ T4523] __arm64_sys_ioctl+0x14c/0x1c8 [ 132.648535][ T4523] invoke_syscall+0x98/0x2b8 [ 132.649853][ T4523] el0_svc_common+0x138/0x258 [ 132.651096][ T4523] do_el0_svc+0x58/0x14c [ 132.652246][ T4523] el0_svc+0x7c/0x1f0 [ 132.653381][ T4523] el0t_64_sync_handler+0x84/0xe4 [ 132.654728][ T4523] el0t_64_sync+0x1a0/0x1a4 [ 132.656039][ T4523] block nbd0: Failed to create debugfs dir for 'nbd0' [ 132.659415][ T4524] block nbd0: shutting down sockets executing program [ 132.761893][ T4527] block nbd0: Device being setup by another task [ 132.764610][ T4526] FAULT_INJECTION: forcing a failure. [ 132.764610][ T4526] name failslab, interval 1, probability 0, space 0, times 0 [ 132.768024][ T4526] CPU: 1 PID: 4526 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 132.770218][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 132.772870][ T4526] Call trace: [ 132.773687][ T4526] dump_backtrace+0x0/0x530 [ 132.774890][ T4526] show_stack+0x2c/0x3c [ 132.776014][ T4526] dump_stack_lvl+0x108/0x170 [ 132.777184][ T4526] dump_stack+0x1c/0x58 [ 132.778275][ T4526] should_fail+0x400/0x5cc [ 132.779409][ T4526] __should_failslab+0xbc/0x110 [ 132.780656][ T4526] should_failslab+0x10/0x28 [ 132.781911][ T4526] slab_pre_alloc_hook+0x64/0xe8 [ 132.783200][ T4526] kmem_cache_alloc+0x98/0x45c [ 132.784469][ T4526] new_inode_pseudo+0x110/0x200 [ 132.785799][ T4526] new_inode+0x38/0x174 [ 132.786888][ T4526] debugfs_create_dir+0xf0/0x420 [ 132.788245][ T4526] nbd_start_device+0x3bc/0xb34 [ 132.789557][ T4526] nbd_ioctl+0x420/0xc2c [ 132.790670][ T4526] blkdev_ioctl+0x3d8/0xbd0 [ 132.791856][ T4526] block_ioctl+0xa8/0x114 [ 132.793025][ T4526] __arm64_sys_ioctl+0x14c/0x1c8 [ 132.794378][ T4526] invoke_syscall+0x98/0x2b8 [ 132.795650][ T4526] el0_svc_common+0x138/0x258 [ 132.796987][ T4526] do_el0_svc+0x58/0x14c [ 132.798064][ T4526] el0_svc+0x7c/0x1f0 [ 132.799157][ T4526] el0t_64_sync_handler+0x84/0xe4 [ 132.800525][ T4526] el0t_64_sync+0x1a0/0x1a4 [ 132.801954][ T4526] debugfs: out of free dentries, can not create directory 'nbd0' [ 132.803977][ T4526] block nbd0: Failed to create debugfs dir for 'nbd0' [ 132.814990][ T4527] block nbd0: shutting down sockets executing program [ 132.945789][ T4529] FAULT_INJECTION: forcing a failure. [ 132.945789][ T4529] name failslab, interval 1, probability 0, space 0, times 0 [ 132.949226][ T4529] CPU: 1 PID: 4529 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 132.951394][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 132.954168][ T4529] Call trace: [ 132.955032][ T4529] dump_backtrace+0x0/0x530 [ 132.956278][ T4529] show_stack+0x2c/0x3c [ 132.957418][ T4529] dump_stack_lvl+0x108/0x170 [ 132.958688][ T4529] dump_stack+0x1c/0x58 [ 132.959805][ T4529] should_fail+0x400/0x5cc [ 132.960955][ T4529] __should_failslab+0xbc/0x110 [ 132.962287][ T4529] should_failslab+0x10/0x28 [ 132.963512][ T4529] slab_pre_alloc_hook+0x64/0xe8 [ 132.964886][ T4529] __kmalloc_node+0xbc/0x5b8 [ 132.966108][ T4529] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 132.967692][ T4529] nbd_start_device+0x158/0xb34 [ 132.969065][ T4529] nbd_ioctl+0x420/0xc2c [ 132.970189][ T4529] blkdev_ioctl+0x3d8/0xbd0 [ 132.971414][ T4529] block_ioctl+0xa8/0x114 [ 132.972590][ T4529] __arm64_sys_ioctl+0x14c/0x1c8 [ 132.973955][ T4529] invoke_syscall+0x98/0x2b8 [ 132.975193][ T4529] el0_svc_common+0x138/0x258 [ 132.976456][ T4529] do_el0_svc+0x58/0x14c [ 132.977621][ T4529] el0_svc+0x7c/0x1f0 [ 132.978685][ T4529] el0t_64_sync_handler+0x84/0xe4 [ 132.980065][ T4529] el0t_64_sync+0x1a0/0x1a4 [ 132.985659][ T4530] block nbd0: shutting down sockets executing program [ 133.135677][ T4532] FAULT_INJECTION: forcing a failure. [ 133.135677][ T4532] name failslab, interval 1, probability 0, space 0, times 0 [ 133.139029][ T4532] CPU: 1 PID: 4532 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 133.141336][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 133.144097][ T4532] Call trace: [ 133.145007][ T4532] dump_backtrace+0x0/0x530 [ 133.146228][ T4532] show_stack+0x2c/0x3c [ 133.147374][ T4532] dump_stack_lvl+0x108/0x170 [ 133.148710][ T4532] dump_stack+0x1c/0x58 [ 133.149796][ T4532] should_fail+0x400/0x5cc [ 133.150970][ T4532] __should_failslab+0xbc/0x110 [ 133.152253][ T4532] should_failslab+0x10/0x28 [ 133.153459][ T4532] slab_pre_alloc_hook+0x64/0xe8 [ 133.154779][ T4532] __kmalloc_node+0xbc/0x5b8 [ 133.155971][ T4532] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 133.157362][ T4532] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 133.158852][ T4532] nbd_start_device+0x158/0xb34 [ 133.160194][ T4532] nbd_ioctl+0x420/0xc2c [ 133.161315][ T4532] blkdev_ioctl+0x3d8/0xbd0 [ 133.162529][ T4532] block_ioctl+0xa8/0x114 [ 133.163787][ T4532] __arm64_sys_ioctl+0x14c/0x1c8 [ 133.165113][ T4532] invoke_syscall+0x98/0x2b8 [ 133.166375][ T4532] el0_svc_common+0x138/0x258 [ 133.167665][ T4532] do_el0_svc+0x58/0x14c [ 133.168823][ T4532] el0_svc+0x7c/0x1f0 [ 133.169890][ T4532] el0t_64_sync_handler+0x84/0xe4 [ 133.171223][ T4532] el0t_64_sync+0x1a0/0x1a4 [ 133.172549][ T4532] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 133.176988][ T4533] block nbd0: shutting down sockets executing program [ 133.305790][ T4535] FAULT_INJECTION: forcing a failure. [ 133.305790][ T4535] name failslab, interval 1, probability 0, space 0, times 0 [ 133.309182][ T4535] CPU: 1 PID: 4535 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 133.311341][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 133.314144][ T4535] Call trace: [ 133.315054][ T4535] dump_backtrace+0x0/0x530 [ 133.316273][ T4535] show_stack+0x2c/0x3c [ 133.317361][ T4535] dump_stack_lvl+0x108/0x170 [ 133.318619][ T4535] dump_stack+0x1c/0x58 [ 133.319718][ T4535] should_fail+0x400/0x5cc [ 133.320859][ T4535] __should_failslab+0xbc/0x110 [ 133.322211][ T4535] should_failslab+0x10/0x28 [ 133.323412][ T4535] slab_pre_alloc_hook+0x64/0xe8 [ 133.324758][ T4535] __kmalloc_node+0xbc/0x5b8 [ 133.325985][ T4535] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 133.327360][ T4535] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 133.328899][ T4535] nbd_start_device+0x158/0xb34 [ 133.330208][ T4535] nbd_ioctl+0x420/0xc2c [ 133.331312][ T4535] blkdev_ioctl+0x3d8/0xbd0 [ 133.332573][ T4535] block_ioctl+0xa8/0x114 [ 133.333738][ T4535] __arm64_sys_ioctl+0x14c/0x1c8 [ 133.335081][ T4535] invoke_syscall+0x98/0x2b8 [ 133.336292][ T4535] el0_svc_common+0x138/0x258 [ 133.337550][ T4535] do_el0_svc+0x58/0x14c [ 133.338660][ T4535] el0_svc+0x7c/0x1f0 [ 133.339677][ T4535] el0t_64_sync_handler+0x84/0xe4 [ 133.341080][ T4535] el0t_64_sync+0x1a0/0x1a4 [ 133.342579][ T4535] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 133.346949][ T4536] block nbd0: shutting down sockets executing program [ 133.495738][ T4538] FAULT_INJECTION: forcing a failure. [ 133.495738][ T4538] name failslab, interval 1, probability 0, space 0, times 0 [ 133.499028][ T4538] CPU: 0 PID: 4538 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 133.501245][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 133.503931][ T4538] Call trace: [ 133.504757][ T4538] dump_backtrace+0x0/0x530 [ 133.505960][ T4538] show_stack+0x2c/0x3c [ 133.507067][ T4538] dump_stack_lvl+0x108/0x170 [ 133.508302][ T4538] dump_stack+0x1c/0x58 [ 133.509368][ T4538] should_fail+0x400/0x5cc [ 133.510499][ T4538] __should_failslab+0xbc/0x110 [ 133.511751][ T4538] should_failslab+0x10/0x28 [ 133.512947][ T4538] slab_pre_alloc_hook+0x64/0xe8 [ 133.514285][ T4538] __kmalloc_node+0xbc/0x5b8 [ 133.515505][ T4538] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 133.516934][ T4538] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 133.518432][ T4538] nbd_start_device+0x158/0xb34 [ 133.519656][ T4538] nbd_ioctl+0x420/0xc2c [ 133.520780][ T4538] blkdev_ioctl+0x3d8/0xbd0 [ 133.522008][ T4538] block_ioctl+0xa8/0x114 [ 133.523167][ T4538] __arm64_sys_ioctl+0x14c/0x1c8 [ 133.524477][ T4538] invoke_syscall+0x98/0x2b8 [ 133.525695][ T4538] el0_svc_common+0x138/0x258 [ 133.527027][ T4538] do_el0_svc+0x58/0x14c [ 133.528139][ T4538] el0_svc+0x7c/0x1f0 [ 133.529188][ T4538] el0t_64_sync_handler+0x84/0xe4 [ 133.530473][ T4538] el0t_64_sync+0x1a0/0x1a4 [ 133.531908][ T4538] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 133.536781][ T4539] block nbd0: shutting down sockets executing program [ 133.705770][ T4541] FAULT_INJECTION: forcing a failure. [ 133.705770][ T4541] name failslab, interval 1, probability 0, space 0, times 0 [ 133.709174][ T4541] CPU: 1 PID: 4541 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 133.711333][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 133.713959][ T4541] Call trace: [ 133.714857][ T4541] dump_backtrace+0x0/0x530 [ 133.716045][ T4541] show_stack+0x2c/0x3c [ 133.717109][ T4541] dump_stack_lvl+0x108/0x170 [ 133.718376][ T4541] dump_stack+0x1c/0x58 [ 133.719477][ T4541] should_fail+0x400/0x5cc [ 133.720623][ T4541] __should_failslab+0xbc/0x110 [ 133.722008][ T4541] should_failslab+0x10/0x28 [ 133.723236][ T4541] slab_pre_alloc_hook+0x64/0xe8 [ 133.724579][ T4541] __kmalloc_node+0xbc/0x5b8 [ 133.725827][ T4541] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 133.727270][ T4541] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 133.728864][ T4541] nbd_start_device+0x158/0xb34 [ 133.730114][ T4541] nbd_ioctl+0x420/0xc2c [ 133.731186][ T4541] blkdev_ioctl+0x3d8/0xbd0 [ 133.732362][ T4541] block_ioctl+0xa8/0x114 [ 133.733579][ T4541] __arm64_sys_ioctl+0x14c/0x1c8 [ 133.734935][ T4541] invoke_syscall+0x98/0x2b8 [ 133.736167][ T4541] el0_svc_common+0x138/0x258 [ 133.737389][ T4541] do_el0_svc+0x58/0x14c [ 133.738521][ T4541] el0_svc+0x7c/0x1f0 [ 133.739589][ T4541] el0t_64_sync_handler+0x84/0xe4 [ 133.741010][ T4541] el0t_64_sync+0x1a0/0x1a4 [ 133.742439][ T4541] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 133.746944][ T4542] block nbd0: shutting down sockets executing program [ 133.881934][ T4546] block nbd0: Device being setup by another task [ 133.883907][ T4545] FAULT_INJECTION: forcing a failure. [ 133.883907][ T4545] name failslab, interval 1, probability 0, space 0, times 0 [ 133.887386][ T4545] CPU: 0 PID: 4545 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 133.889639][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 133.892347][ T4545] Call trace: [ 133.893231][ T4545] dump_backtrace+0x0/0x530 [ 133.894372][ T4545] show_stack+0x2c/0x3c [ 133.895531][ T4545] dump_stack_lvl+0x108/0x170 [ 133.896850][ T4545] dump_stack+0x1c/0x58 [ 133.897925][ T4545] should_fail+0x400/0x5cc [ 133.899063][ T4545] __should_failslab+0xbc/0x110 [ 133.900311][ T4545] should_failslab+0x10/0x28 [ 133.901509][ T4545] slab_pre_alloc_hook+0x64/0xe8 [ 133.902832][ T4545] kmem_cache_alloc+0x98/0x45c [ 133.904137][ T4545] new_inode_pseudo+0x110/0x200 [ 133.905438][ T4545] new_inode+0x38/0x174 [ 133.906604][ T4545] debugfs_create_dir+0xf0/0x420 [ 133.907953][ T4545] nbd_start_device+0x3bc/0xb34 [ 133.909275][ T4545] nbd_ioctl+0x420/0xc2c [ 133.910398][ T4545] blkdev_ioctl+0x3d8/0xbd0 [ 133.911642][ T4545] block_ioctl+0xa8/0x114 [ 133.912834][ T4545] __arm64_sys_ioctl+0x14c/0x1c8 [ 133.914178][ T4545] invoke_syscall+0x98/0x2b8 [ 133.915388][ T4545] el0_svc_common+0x138/0x258 [ 133.916635][ T4545] do_el0_svc+0x58/0x14c [ 133.917763][ T4545] el0_svc+0x7c/0x1f0 [ 133.918851][ T4545] el0t_64_sync_handler+0x84/0xe4 [ 133.920180][ T4545] el0t_64_sync+0x1a0/0x1a4 [ 133.921583][ T4545] debugfs: out of free dentries, can not create directory 'nbd0' [ 133.923680][ T4545] block nbd0: Failed to create debugfs dir for 'nbd0' [ 133.926383][ T4546] block nbd0: shutting down sockets executing program [ 134.065763][ T4548] FAULT_INJECTION: forcing a failure. [ 134.065763][ T4548] name failslab, interval 1, probability 0, space 0, times 0 [ 134.069073][ T4548] CPU: 1 PID: 4548 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 134.071266][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 134.073875][ T4548] Call trace: [ 134.074717][ T4548] dump_backtrace+0x0/0x530 [ 134.075943][ T4548] show_stack+0x2c/0x3c [ 134.077017][ T4548] dump_stack_lvl+0x108/0x170 [ 134.078274][ T4548] dump_stack+0x1c/0x58 [ 134.079382][ T4548] should_fail+0x400/0x5cc [ 134.080535][ T4548] __should_failslab+0xbc/0x110 [ 134.081758][ T4548] should_failslab+0x10/0x28 [ 134.082984][ T4548] slab_pre_alloc_hook+0x64/0xe8 [ 134.084257][ T4548] __kmalloc_node+0xbc/0x5b8 [ 134.085459][ T4548] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 134.087016][ T4548] nbd_start_device+0x158/0xb34 [ 134.088292][ T4548] nbd_ioctl+0x420/0xc2c [ 134.089423][ T4548] blkdev_ioctl+0x3d8/0xbd0 [ 134.090631][ T4548] block_ioctl+0xa8/0x114 [ 134.091771][ T4548] __arm64_sys_ioctl+0x14c/0x1c8 [ 134.093057][ T4548] invoke_syscall+0x98/0x2b8 [ 134.094346][ T4548] el0_svc_common+0x138/0x258 [ 134.095554][ T4548] do_el0_svc+0x58/0x14c [ 134.096638][ T4548] el0_svc+0x7c/0x1f0 [ 134.097747][ T4548] el0t_64_sync_handler+0x84/0xe4 [ 134.099068][ T4548] el0t_64_sync+0x1a0/0x1a4 [ 134.104648][ T4549] block nbd0: shutting down sockets executing program [ 134.251911][ T4552] FAULT_INJECTION: forcing a failure. [ 134.251911][ T4552] name failslab, interval 1, probability 0, space 0, times 0 [ 134.255436][ T4552] CPU: 0 PID: 4552 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 134.257733][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 134.260311][ T4552] Call trace: [ 134.261117][ T4552] dump_backtrace+0x0/0x530 [ 134.262304][ T4552] show_stack+0x2c/0x3c [ 134.263427][ T4552] dump_stack_lvl+0x108/0x170 [ 134.264791][ T4552] dump_stack+0x1c/0x58 [ 134.265911][ T4552] should_fail+0x400/0x5cc [ 134.267103][ T4552] __should_failslab+0xbc/0x110 [ 134.268400][ T4552] should_failslab+0x10/0x28 [ 134.269575][ T4552] slab_pre_alloc_hook+0x64/0xe8 [ 134.270952][ T4552] kmem_cache_alloc_trace+0x9c/0x47c [ 134.272399][ T4552] blk_mq_update_nr_hw_queues+0x2f0/0xc58 [ 134.273928][ T4552] nbd_start_device+0x158/0xb34 [ 134.275241][ T4552] nbd_ioctl+0x420/0xc2c [ 134.276336][ T4552] blkdev_ioctl+0x3d8/0xbd0 [ 134.277538][ T4552] block_ioctl+0xa8/0x114 [ 134.278681][ T4552] __arm64_sys_ioctl+0x14c/0x1c8 [ 134.280054][ T4552] invoke_syscall+0x98/0x2b8 [ 134.281286][ T4552] el0_svc_common+0x138/0x258 [ 134.282508][ T4552] do_el0_svc+0x58/0x14c [ 134.283648][ T4552] el0_svc+0x7c/0x1f0 [ 134.284729][ T4552] el0t_64_sync_handler+0x84/0xe4 [ 134.286085][ T4552] el0t_64_sync+0x1a0/0x1a4 [ 134.288717][ T4551] block nbd0: shutting down sockets executing program [ 134.465695][ T4555] FAULT_INJECTION: forcing a failure. [ 134.465695][ T4555] name failslab, interval 1, probability 0, space 0, times 0 [ 134.469113][ T4555] CPU: 0 PID: 4555 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 134.471404][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 134.474107][ T4555] Call trace: [ 134.475063][ T4555] dump_backtrace+0x0/0x530 [ 134.476296][ T4555] show_stack+0x2c/0x3c [ 134.477398][ T4555] dump_stack_lvl+0x108/0x170 [ 134.478684][ T4555] dump_stack+0x1c/0x58 [ 134.479827][ T4555] should_fail+0x400/0x5cc [ 134.481052][ T4555] __should_failslab+0xbc/0x110 [ 134.482387][ T4555] should_failslab+0x10/0x28 [ 134.483659][ T4555] slab_pre_alloc_hook+0x64/0xe8 [ 134.485010][ T4555] __kmalloc_node+0xbc/0x5b8 [ 134.486223][ T4555] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 134.487651][ T4555] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 134.489216][ T4555] nbd_start_device+0x158/0xb34 [ 134.490522][ T4555] nbd_ioctl+0x420/0xc2c [ 134.491675][ T4555] blkdev_ioctl+0x3d8/0xbd0 [ 134.492849][ T4555] block_ioctl+0xa8/0x114 [ 134.493997][ T4555] __arm64_sys_ioctl+0x14c/0x1c8 [ 134.495338][ T4555] invoke_syscall+0x98/0x2b8 [ 134.496584][ T4555] el0_svc_common+0x138/0x258 [ 134.497917][ T4555] do_el0_svc+0x58/0x14c [ 134.499095][ T4555] el0_svc+0x7c/0x1f0 [ 134.500165][ T4555] el0t_64_sync_handler+0x84/0xe4 [ 134.501511][ T4555] el0t_64_sync+0x1a0/0x1a4 [ 134.502625][ T4555] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 134.507004][ T4554] block nbd0: shutting down sockets executing program [ 134.665778][ T4558] FAULT_INJECTION: forcing a failure. [ 134.665778][ T4558] name failslab, interval 1, probability 0, space 0, times 0 [ 134.669382][ T4558] CPU: 0 PID: 4558 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 134.671633][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 134.674340][ T4558] Call trace: [ 134.675260][ T4558] dump_backtrace+0x0/0x530 [ 134.676512][ T4558] show_stack+0x2c/0x3c [ 134.677564][ T4558] dump_stack_lvl+0x108/0x170 [ 134.678823][ T4558] dump_stack+0x1c/0x58 [ 134.679909][ T4558] should_fail+0x400/0x5cc [ 134.681125][ T4558] __should_failslab+0xbc/0x110 [ 134.682441][ T4558] should_failslab+0x10/0x28 [ 134.683635][ T4558] slab_pre_alloc_hook+0x64/0xe8 [ 134.685001][ T4558] __kmalloc_node+0xbc/0x5b8 [ 134.686304][ T4558] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 134.687684][ T4558] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 134.689170][ T4558] nbd_start_device+0x158/0xb34 [ 134.690432][ T4558] nbd_ioctl+0x420/0xc2c [ 134.691562][ T4558] blkdev_ioctl+0x3d8/0xbd0 [ 134.692889][ T4558] block_ioctl+0xa8/0x114 [ 134.694045][ T4558] __arm64_sys_ioctl+0x14c/0x1c8 [ 134.695342][ T4558] invoke_syscall+0x98/0x2b8 [ 134.696549][ T4558] el0_svc_common+0x138/0x258 [ 134.697783][ T4558] do_el0_svc+0x58/0x14c [ 134.698885][ T4558] el0_svc+0x7c/0x1f0 [ 134.699910][ T4558] el0t_64_sync_handler+0x84/0xe4 [ 134.701203][ T4558] el0t_64_sync+0x1a0/0x1a4 [ 134.702571][ T4558] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 134.707845][ T4559] block nbd0: shutting down sockets executing program [ 134.836047][ T4561] FAULT_INJECTION: forcing a failure. [ 134.836047][ T4561] name failslab, interval 1, probability 0, space 0, times 0 [ 134.839635][ T4561] CPU: 0 PID: 4561 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 134.841891][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 134.844591][ T4561] Call trace: [ 134.845501][ T4561] dump_backtrace+0x0/0x530 [ 134.846671][ T4561] show_stack+0x2c/0x3c [ 134.847834][ T4561] dump_stack_lvl+0x108/0x170 [ 134.849086][ T4561] dump_stack+0x1c/0x58 [ 134.850238][ T4561] should_fail+0x400/0x5cc [ 134.851453][ T4561] __should_failslab+0xbc/0x110 [ 134.852768][ T4561] should_failslab+0x10/0x28 [ 134.854002][ T4561] slab_pre_alloc_hook+0x64/0xe8 [ 134.855279][ T4561] __kmalloc_node+0xbc/0x5b8 [ 134.856467][ T4561] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 134.857877][ T4561] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 134.859447][ T4561] nbd_start_device+0x158/0xb34 [ 134.860721][ T4561] nbd_ioctl+0x420/0xc2c [ 134.861820][ T4561] blkdev_ioctl+0x3d8/0xbd0 [ 134.862977][ T4561] block_ioctl+0xa8/0x114 [ 134.864092][ T4561] __arm64_sys_ioctl+0x14c/0x1c8 [ 134.865429][ T4561] invoke_syscall+0x98/0x2b8 [ 134.866640][ T4561] el0_svc_common+0x138/0x258 [ 134.867889][ T4561] do_el0_svc+0x58/0x14c [ 134.869049][ T4561] el0_svc+0x7c/0x1f0 [ 134.870163][ T4561] el0t_64_sync_handler+0x84/0xe4 [ 134.871546][ T4561] el0t_64_sync+0x1a0/0x1a4 [ 134.872945][ T4561] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 134.877451][ T4562] block nbd0: shutting down sockets executing program [ 134.991955][ T4565] block nbd0: Device being setup by another task [ 134.994629][ T4564] FAULT_INJECTION: forcing a failure. [ 134.994629][ T4564] name failslab, interval 1, probability 0, space 0, times 0 [ 134.997947][ T4564] CPU: 0 PID: 4564 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 135.000159][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 135.002779][ T4564] Call trace: [ 135.003610][ T4564] dump_backtrace+0x0/0x530 [ 135.004839][ T4564] show_stack+0x2c/0x3c [ 135.005932][ T4564] dump_stack_lvl+0x108/0x170 [ 135.007179][ T4564] dump_stack+0x1c/0x58 [ 135.008275][ T4564] should_fail+0x400/0x5cc [ 135.009449][ T4564] __should_failslab+0xbc/0x110 [ 135.010732][ T4564] should_failslab+0x10/0x28 [ 135.011978][ T4564] slab_pre_alloc_hook+0x64/0xe8 [ 135.013214][ T4564] kmem_cache_alloc+0x98/0x45c [ 135.014488][ T4564] new_inode_pseudo+0x110/0x200 [ 135.015849][ T4564] new_inode+0x38/0x174 [ 135.016993][ T4564] debugfs_create_dir+0xf0/0x420 [ 135.018302][ T4564] nbd_start_device+0x3bc/0xb34 [ 135.019634][ T4564] nbd_ioctl+0x420/0xc2c [ 135.020772][ T4564] blkdev_ioctl+0x3d8/0xbd0 [ 135.021959][ T4564] block_ioctl+0xa8/0x114 [ 135.023111][ T4564] __arm64_sys_ioctl+0x14c/0x1c8 [ 135.024373][ T4564] invoke_syscall+0x98/0x2b8 [ 135.025604][ T4564] el0_svc_common+0x138/0x258 [ 135.026892][ T4564] do_el0_svc+0x58/0x14c [ 135.027985][ T4564] el0_svc+0x7c/0x1f0 [ 135.029019][ T4564] el0t_64_sync_handler+0x84/0xe4 [ 135.030327][ T4564] el0t_64_sync+0x1a0/0x1a4 [ 135.031579][ T4564] debugfs: out of free dentries, can not create directory 'nbd0' [ 135.033756][ T4564] block nbd0: Failed to create debugfs dir for 'nbd0' [ 135.045024][ T4565] block nbd0: shutting down sockets executing program [ 135.175747][ T4567] FAULT_INJECTION: forcing a failure. [ 135.175747][ T4567] name failslab, interval 1, probability 0, space 0, times 0 [ 135.179113][ T4567] CPU: 1 PID: 4567 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 135.181287][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 135.183908][ T4567] Call trace: [ 135.184798][ T4567] dump_backtrace+0x0/0x530 [ 135.186034][ T4567] show_stack+0x2c/0x3c [ 135.187125][ T4567] dump_stack_lvl+0x108/0x170 [ 135.188398][ T4567] dump_stack+0x1c/0x58 [ 135.189520][ T4567] should_fail+0x400/0x5cc [ 135.190672][ T4567] __should_failslab+0xbc/0x110 [ 135.191952][ T4567] should_failslab+0x10/0x28 [ 135.193150][ T4567] slab_pre_alloc_hook+0x64/0xe8 [ 135.194403][ T4567] __kmalloc_node+0xbc/0x5b8 [ 135.195719][ T4567] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 135.197110][ T4567] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 135.198571][ T4567] nbd_start_device+0x158/0xb34 [ 135.199852][ T4567] nbd_ioctl+0x420/0xc2c [ 135.200974][ T4567] blkdev_ioctl+0x3d8/0xbd0 [ 135.202145][ T4567] block_ioctl+0xa8/0x114 [ 135.203243][ T4567] __arm64_sys_ioctl+0x14c/0x1c8 [ 135.204508][ T4567] invoke_syscall+0x98/0x2b8 [ 135.205716][ T4567] el0_svc_common+0x138/0x258 [ 135.206982][ T4567] do_el0_svc+0x58/0x14c [ 135.208132][ T4567] el0_svc+0x7c/0x1f0 [ 135.209178][ T4567] el0t_64_sync_handler+0x84/0xe4 [ 135.210463][ T4567] el0t_64_sync+0x1a0/0x1a4 [ 135.211950][ T4567] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 135.216966][ T4568] block nbd0: shutting down sockets executing program [ 135.355765][ T4570] FAULT_INJECTION: forcing a failure. [ 135.355765][ T4570] name failslab, interval 1, probability 0, space 0, times 0 [ 135.359189][ T4570] CPU: 0 PID: 4570 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 135.361394][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 135.364097][ T4570] Call trace: [ 135.365001][ T4570] dump_backtrace+0x0/0x530 [ 135.366223][ T4570] show_stack+0x2c/0x3c [ 135.367335][ T4570] dump_stack_lvl+0x108/0x170 [ 135.368568][ T4570] dump_stack+0x1c/0x58 [ 135.369656][ T4570] should_fail+0x400/0x5cc [ 135.370800][ T4570] __should_failslab+0xbc/0x110 [ 135.372097][ T4570] should_failslab+0x10/0x28 [ 135.373292][ T4570] slab_pre_alloc_hook+0x64/0xe8 [ 135.374590][ T4570] __kmalloc_node+0xbc/0x5b8 [ 135.375823][ T4570] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 135.377264][ T4570] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 135.378898][ T4570] nbd_start_device+0x158/0xb34 [ 135.380238][ T4570] nbd_ioctl+0x420/0xc2c [ 135.381359][ T4570] blkdev_ioctl+0x3d8/0xbd0 [ 135.382566][ T4570] block_ioctl+0xa8/0x114 [ 135.383787][ T4570] __arm64_sys_ioctl+0x14c/0x1c8 [ 135.385091][ T4570] invoke_syscall+0x98/0x2b8 [ 135.386384][ T4570] el0_svc_common+0x138/0x258 [ 135.387652][ T4570] do_el0_svc+0x58/0x14c [ 135.388732][ T4570] el0_svc+0x7c/0x1f0 [ 135.389734][ T4570] el0t_64_sync_handler+0x84/0xe4 [ 135.391053][ T4570] el0t_64_sync+0x1a0/0x1a4 [ 135.392384][ T4570] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 135.397386][ T4571] block nbd0: shutting down sockets executing program [ 135.535987][ T4573] FAULT_INJECTION: forcing a failure. [ 135.535987][ T4573] name failslab, interval 1, probability 0, space 0, times 0 [ 135.539409][ T4573] CPU: 1 PID: 4573 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 135.541572][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 135.544448][ T4573] Call trace: [ 135.545362][ T4573] dump_backtrace+0x0/0x530 [ 135.546597][ T4573] show_stack+0x2c/0x3c [ 135.547750][ T4573] dump_stack_lvl+0x108/0x170 [ 135.548995][ T4573] dump_stack+0x1c/0x58 [ 135.550213][ T4573] should_fail+0x400/0x5cc [ 135.551409][ T4573] __should_failslab+0xbc/0x110 [ 135.552753][ T4573] should_failslab+0x10/0x28 [ 135.554002][ T4573] slab_pre_alloc_hook+0x64/0xe8 [ 135.555306][ T4573] __kmalloc_node+0xbc/0x5b8 [ 135.556568][ T4573] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 135.558060][ T4573] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 135.559613][ T4573] nbd_start_device+0x158/0xb34 [ 135.561010][ T4573] nbd_ioctl+0x420/0xc2c [ 135.562201][ T4573] blkdev_ioctl+0x3d8/0xbd0 [ 135.563461][ T4573] block_ioctl+0xa8/0x114 [ 135.564673][ T4573] __arm64_sys_ioctl+0x14c/0x1c8 [ 135.566065][ T4573] invoke_syscall+0x98/0x2b8 [ 135.567346][ T4573] el0_svc_common+0x138/0x258 [ 135.568686][ T4573] do_el0_svc+0x58/0x14c [ 135.569856][ T4573] el0_svc+0x7c/0x1f0 [ 135.570970][ T4573] el0t_64_sync_handler+0x84/0xe4 [ 135.572332][ T4573] el0t_64_sync+0x1a0/0x1a4 [ 135.574695][ T4573] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 135.580023][ T4574] block nbd0: shutting down sockets executing program [ 135.685723][ T4576] FAULT_INJECTION: forcing a failure. [ 135.685723][ T4576] name failslab, interval 1, probability 0, space 0, times 0 [ 135.689067][ T4576] CPU: 0 PID: 4576 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 135.691306][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 135.693914][ T4576] Call trace: [ 135.694807][ T4576] dump_backtrace+0x0/0x530 [ 135.696009][ T4576] show_stack+0x2c/0x3c [ 135.697139][ T4576] dump_stack_lvl+0x108/0x170 [ 135.698417][ T4576] dump_stack+0x1c/0x58 [ 135.699547][ T4576] should_fail+0x400/0x5cc [ 135.700756][ T4576] __should_failslab+0xbc/0x110 [ 135.701975][ T4576] should_failslab+0x10/0x28 [ 135.703178][ T4576] slab_pre_alloc_hook+0x64/0xe8 [ 135.704448][ T4576] __kmalloc_node+0xbc/0x5b8 [ 135.705612][ T4576] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 135.707048][ T4576] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 135.708564][ T4576] nbd_start_device+0x158/0xb34 [ 135.709871][ T4576] nbd_ioctl+0x420/0xc2c [ 135.710963][ T4576] blkdev_ioctl+0x3d8/0xbd0 [ 135.712233][ T4576] block_ioctl+0xa8/0x114 [ 135.713384][ T4576] __arm64_sys_ioctl+0x14c/0x1c8 [ 135.714735][ T4576] invoke_syscall+0x98/0x2b8 [ 135.715998][ T4576] el0_svc_common+0x138/0x258 [ 135.717214][ T4576] do_el0_svc+0x58/0x14c [ 135.718315][ T4576] el0_svc+0x7c/0x1f0 [ 135.719335][ T4576] el0t_64_sync_handler+0x84/0xe4 [ 135.720671][ T4576] el0t_64_sync+0x1a0/0x1a4 [ 135.722065][ T4576] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 135.727227][ T4577] block nbd0: shutting down sockets executing program [ 135.845850][ T4579] FAULT_INJECTION: forcing a failure. [ 135.845850][ T4579] name failslab, interval 1, probability 0, space 0, times 0 [ 135.849343][ T4579] CPU: 1 PID: 4579 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 135.851628][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 135.854340][ T4579] Call trace: [ 135.855243][ T4579] dump_backtrace+0x0/0x530 [ 135.856483][ T4579] show_stack+0x2c/0x3c [ 135.857642][ T4579] dump_stack_lvl+0x108/0x170 [ 135.858956][ T4579] dump_stack+0x1c/0x58 [ 135.860110][ T4579] should_fail+0x400/0x5cc [ 135.861384][ T4579] __should_failslab+0xbc/0x110 [ 135.862725][ T4579] should_failslab+0x10/0x28 [ 135.864015][ T4579] slab_pre_alloc_hook+0x64/0xe8 [ 135.865391][ T4579] __kmalloc_node+0xbc/0x5b8 [ 135.866672][ T4579] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 135.868194][ T4579] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 135.869808][ T4579] nbd_start_device+0x158/0xb34 [ 135.871120][ T4579] nbd_ioctl+0x420/0xc2c [ 135.872346][ T4579] blkdev_ioctl+0x3d8/0xbd0 [ 135.873578][ T4579] block_ioctl+0xa8/0x114 [ 135.874779][ T4579] __arm64_sys_ioctl+0x14c/0x1c8 [ 135.876159][ T4579] invoke_syscall+0x98/0x2b8 [ 135.877442][ T4579] el0_svc_common+0x138/0x258 [ 135.878678][ T4579] do_el0_svc+0x58/0x14c [ 135.879813][ T4579] el0_svc+0x7c/0x1f0 [ 135.880877][ T4579] el0t_64_sync_handler+0x84/0xe4 [ 135.882234][ T4579] el0t_64_sync+0x1a0/0x1a4 [ 135.883648][ T4579] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 135.888027][ T4580] block nbd0: shutting down sockets executing program [ 136.055862][ T4582] FAULT_INJECTION: forcing a failure. [ 136.055862][ T4582] name failslab, interval 1, probability 0, space 0, times 0 [ 136.059101][ T4582] CPU: 0 PID: 4582 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 136.061288][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 136.063962][ T4582] Call trace: [ 136.064803][ T4582] dump_backtrace+0x0/0x530 [ 136.066004][ T4582] show_stack+0x2c/0x3c [ 136.067112][ T4582] dump_stack_lvl+0x108/0x170 [ 136.068327][ T4582] dump_stack+0x1c/0x58 [ 136.069426][ T4582] should_fail+0x400/0x5cc [ 136.070613][ T4582] __should_failslab+0xbc/0x110 [ 136.071899][ T4582] should_failslab+0x10/0x28 [ 136.073088][ T4582] slab_pre_alloc_hook+0x64/0xe8 [ 136.074390][ T4582] __kmalloc_node+0xbc/0x5b8 [ 136.075616][ T4582] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 136.077025][ T4582] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 136.078526][ T4582] nbd_start_device+0x158/0xb34 [ 136.079826][ T4582] nbd_ioctl+0x420/0xc2c [ 136.080989][ T4582] blkdev_ioctl+0x3d8/0xbd0 [ 136.082186][ T4582] block_ioctl+0xa8/0x114 [ 136.083336][ T4582] __arm64_sys_ioctl+0x14c/0x1c8 [ 136.084629][ T4582] invoke_syscall+0x98/0x2b8 [ 136.085913][ T4582] el0_svc_common+0x138/0x258 [ 136.087145][ T4582] do_el0_svc+0x58/0x14c [ 136.088240][ T4582] el0_svc+0x7c/0x1f0 [ 136.089245][ T4582] el0t_64_sync_handler+0x84/0xe4 [ 136.090583][ T4582] el0t_64_sync+0x1a0/0x1a4 [ 136.092598][ T4582] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 136.097264][ T4583] block nbd0: shutting down sockets executing program [ 136.225958][ T4586] FAULT_INJECTION: forcing a failure. [ 136.225958][ T4586] name failslab, interval 1, probability 0, space 0, times 0 [ 136.229339][ T4586] CPU: 0 PID: 4586 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 136.231522][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 136.234186][ T4586] Call trace: [ 136.235049][ T4586] dump_backtrace+0x0/0x530 [ 136.236247][ T4586] show_stack+0x2c/0x3c [ 136.237308][ T4586] dump_stack_lvl+0x108/0x170 [ 136.238506][ T4586] dump_stack+0x1c/0x58 [ 136.239583][ T4586] should_fail+0x400/0x5cc [ 136.240744][ T4586] __should_failslab+0xbc/0x110 [ 136.242070][ T4586] should_failslab+0x10/0x28 [ 136.243253][ T4586] slab_pre_alloc_hook+0x64/0xe8 [ 136.244538][ T4586] __kmalloc_node+0xbc/0x5b8 [ 136.245752][ T4586] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 136.247129][ T4586] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 136.248690][ T4586] nbd_start_device+0x158/0xb34 [ 136.249977][ T4586] nbd_ioctl+0x420/0xc2c [ 136.251089][ T4586] blkdev_ioctl+0x3d8/0xbd0 [ 136.252230][ T4586] block_ioctl+0xa8/0x114 [ 136.253352][ T4586] __arm64_sys_ioctl+0x14c/0x1c8 [ 136.254672][ T4586] invoke_syscall+0x98/0x2b8 [ 136.255970][ T4586] el0_svc_common+0x138/0x258 [ 136.257225][ T4586] do_el0_svc+0x58/0x14c [ 136.258321][ T4586] el0_svc+0x7c/0x1f0 [ 136.259352][ T4586] el0t_64_sync_handler+0x84/0xe4 [ 136.260616][ T4586] el0t_64_sync+0x1a0/0x1a4 [ 136.264911][ T4586] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 136.275146][ T4587] block nbd0: shutting down sockets executing program [ 136.571947][ T4590] block nbd0: Device being setup by another task [ 136.573988][ T4591] FAULT_INJECTION: forcing a failure. [ 136.573988][ T4591] name failslab, interval 1, probability 0, space 0, times 0 [ 136.577311][ T4591] CPU: 1 PID: 4591 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 136.579639][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 136.582335][ T4591] Call trace: [ 136.583198][ T4591] dump_backtrace+0x0/0x530 [ 136.584455][ T4591] show_stack+0x2c/0x3c [ 136.585643][ T4591] dump_stack_lvl+0x108/0x170 [ 136.586915][ T4591] dump_stack+0x1c/0x58 [ 136.588018][ T4591] should_fail+0x400/0x5cc [ 136.589176][ T4591] __should_failslab+0xbc/0x110 [ 136.590454][ T4591] should_failslab+0x10/0x28 [ 136.591665][ T4591] slab_pre_alloc_hook+0x64/0xe8 [ 136.593005][ T4591] kmem_cache_alloc+0x98/0x45c [ 136.594327][ T4591] __d_alloc+0x3c/0x6a8 [ 136.595442][ T4591] d_alloc_parallel+0xb8/0x11bc [ 136.596750][ T4591] __lookup_slow+0x108/0x388 [ 136.598043][ T4591] lookup_one_len+0x178/0x28c [ 136.599253][ T4591] start_creating+0x19c/0x2e0 [ 136.600429][ T4591] debugfs_create_dir+0x34/0x420 [ 136.601736][ T4591] nbd_start_device+0x3bc/0xb34 [ 136.603029][ T4591] nbd_ioctl+0x420/0xc2c [ 136.604175][ T4591] blkdev_ioctl+0x3d8/0xbd0 [ 136.605419][ T4591] block_ioctl+0xa8/0x114 [ 136.606590][ T4591] __arm64_sys_ioctl+0x14c/0x1c8 [ 136.607930][ T4591] invoke_syscall+0x98/0x2b8 [ 136.609097][ T4591] el0_svc_common+0x138/0x258 [ 136.610360][ T4591] do_el0_svc+0x58/0x14c [ 136.611514][ T4591] el0_svc+0x7c/0x1f0 [ 136.612572][ T4591] el0t_64_sync_handler+0x84/0xe4 [ 136.613880][ T4591] el0t_64_sync+0x1a0/0x1a4 [ 136.616748][ T4591] block nbd0: Failed to create debugfs dir for 'nbd0' [ 136.619635][ T4592] block nbd0: shutting down sockets executing program [ 136.805691][ T4594] FAULT_INJECTION: forcing a failure. [ 136.805691][ T4594] name failslab, interval 1, probability 0, space 0, times 0 [ 136.809142][ T4594] CPU: 1 PID: 4594 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 136.811385][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 136.814042][ T4594] Call trace: [ 136.814936][ T4594] dump_backtrace+0x0/0x530 [ 136.816193][ T4594] show_stack+0x2c/0x3c [ 136.817307][ T4594] dump_stack_lvl+0x108/0x170 [ 136.818634][ T4594] dump_stack+0x1c/0x58 [ 136.819914][ T4594] should_fail+0x400/0x5cc [ 136.821096][ T4594] __should_failslab+0xbc/0x110 [ 136.822434][ T4594] should_failslab+0x10/0x28 [ 136.823692][ T4594] slab_pre_alloc_hook+0x64/0xe8 [ 136.825058][ T4594] __kmalloc_node+0xbc/0x5b8 [ 136.826344][ T4594] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 136.827747][ T4594] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 136.829197][ T4594] nbd_start_device+0x158/0xb34 [ 136.830427][ T4594] nbd_ioctl+0x420/0xc2c [ 136.831530][ T4594] blkdev_ioctl+0x3d8/0xbd0 [ 136.832664][ T4594] block_ioctl+0xa8/0x114 [ 136.833855][ T4594] __arm64_sys_ioctl+0x14c/0x1c8 [ 136.835204][ T4594] invoke_syscall+0x98/0x2b8 [ 136.836455][ T4594] el0_svc_common+0x138/0x258 [ 136.837667][ T4594] do_el0_svc+0x58/0x14c [ 136.838852][ T4594] el0_svc+0x7c/0x1f0 [ 136.839911][ T4594] el0t_64_sync_handler+0x84/0xe4 [ 136.841319][ T4594] el0t_64_sync+0x1a0/0x1a4 [ 136.846104][ T4594] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 136.852754][ T4595] block nbd0: shutting down sockets executing program [ 137.011931][ T4599] block nbd0: Device being setup by another task [ 137.013936][ T4598] FAULT_INJECTION: forcing a failure. [ 137.013936][ T4598] name failslab, interval 1, probability 0, space 0, times 0 [ 137.017479][ T4598] CPU: 1 PID: 4598 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 137.019784][ T4598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 137.022487][ T4598] Call trace: [ 137.023390][ T4598] dump_backtrace+0x0/0x530 [ 137.024619][ T4598] show_stack+0x2c/0x3c [ 137.025780][ T4598] dump_stack_lvl+0x108/0x170 [ 137.027094][ T4598] dump_stack+0x1c/0x58 [ 137.028231][ T4598] should_fail+0x400/0x5cc [ 137.029493][ T4598] __should_failslab+0xbc/0x110 [ 137.030835][ T4598] should_failslab+0x10/0x28 [ 137.032108][ T4598] slab_pre_alloc_hook+0x64/0xe8 [ 137.033437][ T4598] kmem_cache_alloc+0x98/0x45c [ 137.034740][ T4598] __d_alloc+0x3c/0x6a8 [ 137.035856][ T4598] d_alloc_parallel+0xb8/0x11bc [ 137.037148][ T4598] __lookup_slow+0x108/0x388 [ 137.038437][ T4598] lookup_one_len+0x178/0x28c [ 137.039636][ T4598] start_creating+0x19c/0x2e0 [ 137.040880][ T4598] debugfs_create_dir+0x34/0x420 [ 137.042249][ T4598] nbd_start_device+0x3bc/0xb34 [ 137.043599][ T4598] nbd_ioctl+0x420/0xc2c [ 137.044779][ T4598] blkdev_ioctl+0x3d8/0xbd0 [ 137.045964][ T4598] block_ioctl+0xa8/0x114 [ 137.047085][ T4598] __arm64_sys_ioctl+0x14c/0x1c8 [ 137.048395][ T4598] invoke_syscall+0x98/0x2b8 [ 137.049729][ T4598] el0_svc_common+0x138/0x258 [ 137.051041][ T4598] do_el0_svc+0x58/0x14c [ 137.052207][ T4598] el0_svc+0x7c/0x1f0 [ 137.053321][ T4598] el0t_64_sync_handler+0x84/0xe4 [ 137.054709][ T4598] el0t_64_sync+0x1a0/0x1a4 [ 137.056215][ T4598] block nbd0: Failed to create debugfs dir for 'nbd0' [ 137.059057][ T4599] block nbd0: shutting down sockets executing program [ 137.205759][ T4601] FAULT_INJECTION: forcing a failure. [ 137.205759][ T4601] name failslab, interval 1, probability 0, space 0, times 0 [ 137.208969][ T4601] CPU: 1 PID: 4601 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 137.211306][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 137.214043][ T4601] Call trace: [ 137.214988][ T4601] dump_backtrace+0x0/0x530 [ 137.216205][ T4601] show_stack+0x2c/0x3c [ 137.217337][ T4601] dump_stack_lvl+0x108/0x170 [ 137.218612][ T4601] dump_stack+0x1c/0x58 [ 137.219742][ T4601] should_fail+0x400/0x5cc [ 137.220915][ T4601] __should_failslab+0xbc/0x110 [ 137.222206][ T4601] should_failslab+0x10/0x28 [ 137.223506][ T4601] slab_pre_alloc_hook+0x64/0xe8 [ 137.224842][ T4601] __kmalloc_node+0xbc/0x5b8 [ 137.226069][ T4601] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 137.227568][ T4601] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 137.229157][ T4601] nbd_start_device+0x158/0xb34 [ 137.230562][ T4601] nbd_ioctl+0x420/0xc2c [ 137.231658][ T4601] blkdev_ioctl+0x3d8/0xbd0 [ 137.232892][ T4601] block_ioctl+0xa8/0x114 [ 137.234059][ T4601] __arm64_sys_ioctl+0x14c/0x1c8 [ 137.235409][ T4601] invoke_syscall+0x98/0x2b8 [ 137.236661][ T4601] el0_svc_common+0x138/0x258 [ 137.237939][ T4601] do_el0_svc+0x58/0x14c [ 137.239060][ T4601] el0_svc+0x7c/0x1f0 [ 137.240107][ T4601] el0t_64_sync_handler+0x84/0xe4 [ 137.241483][ T4601] el0t_64_sync+0x1a0/0x1a4 [ 137.242922][ T4601] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 137.247356][ T4602] block nbd0: shutting down sockets executing program [ 137.385732][ T4604] FAULT_INJECTION: forcing a failure. [ 137.385732][ T4604] name failslab, interval 1, probability 0, space 0, times 0 [ 137.389212][ T4604] CPU: 0 PID: 4604 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 137.391427][ T4604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 137.394149][ T4604] Call trace: [ 137.394995][ T4604] dump_backtrace+0x0/0x530 [ 137.396172][ T4604] show_stack+0x2c/0x3c [ 137.397306][ T4604] dump_stack_lvl+0x108/0x170 [ 137.398562][ T4604] dump_stack+0x1c/0x58 [ 137.399671][ T4604] should_fail+0x400/0x5cc [ 137.400872][ T4604] __should_failslab+0xbc/0x110 [ 137.402166][ T4604] should_failslab+0x10/0x28 [ 137.403388][ T4604] slab_pre_alloc_hook+0x64/0xe8 [ 137.404740][ T4604] __kmalloc_node+0xbc/0x5b8 [ 137.405946][ T4604] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 137.407428][ T4604] nbd_start_device+0x158/0xb34 [ 137.408761][ T4604] nbd_ioctl+0x420/0xc2c [ 137.409883][ T4604] blkdev_ioctl+0x3d8/0xbd0 [ 137.411037][ T4604] block_ioctl+0xa8/0x114 [ 137.412216][ T4604] __arm64_sys_ioctl+0x14c/0x1c8 [ 137.413568][ T4604] invoke_syscall+0x98/0x2b8 [ 137.414831][ T4604] el0_svc_common+0x138/0x258 [ 137.416081][ T4604] do_el0_svc+0x58/0x14c [ 137.417243][ T4604] el0_svc+0x7c/0x1f0 [ 137.418302][ T4604] el0t_64_sync_handler+0x84/0xe4 [ 137.419600][ T4604] el0t_64_sync+0x1a0/0x1a4 [ 137.424467][ T4605] block nbd0: shutting down sockets executing program [ 137.605745][ T4608] FAULT_INJECTION: forcing a failure. [ 137.605745][ T4608] name failslab, interval 1, probability 0, space 0, times 0 [ 137.609145][ T4608] CPU: 0 PID: 4608 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 137.611427][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 137.614092][ T4608] Call trace: [ 137.614987][ T4608] dump_backtrace+0x0/0x530 [ 137.616172][ T4608] show_stack+0x2c/0x3c [ 137.617483][ T4608] dump_stack_lvl+0x108/0x170 [ 137.618800][ T4608] dump_stack+0x1c/0x58 [ 137.619940][ T4608] should_fail+0x400/0x5cc [ 137.621182][ T4608] __should_failslab+0xbc/0x110 [ 137.622482][ T4608] should_failslab+0x10/0x28 [ 137.623697][ T4608] slab_pre_alloc_hook+0x64/0xe8 [ 137.625031][ T4608] __kmalloc_node+0xbc/0x5b8 [ 137.626275][ T4608] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 137.627759][ T4608] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 137.629307][ T4608] nbd_start_device+0x158/0xb34 [ 137.630715][ T4608] nbd_ioctl+0x420/0xc2c [ 137.631884][ T4608] blkdev_ioctl+0x3d8/0xbd0 [ 137.633117][ T4608] block_ioctl+0xa8/0x114 [ 137.634264][ T4608] __arm64_sys_ioctl+0x14c/0x1c8 [ 137.635568][ T4608] invoke_syscall+0x98/0x2b8 [ 137.636844][ T4608] el0_svc_common+0x138/0x258 [ 137.638098][ T4608] do_el0_svc+0x58/0x14c [ 137.639269][ T4608] el0_svc+0x7c/0x1f0 [ 137.640300][ T4608] el0t_64_sync_handler+0x84/0xe4 [ 137.641680][ T4608] el0t_64_sync+0x1a0/0x1a4 [ 137.643597][ T4608] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 137.648012][ T4607] block nbd0: shutting down sockets executing program [ 137.771985][ T4612] block nbd0: Device being setup by another task [ 137.773848][ T4611] FAULT_INJECTION: forcing a failure. [ 137.773848][ T4611] name failslab, interval 1, probability 0, space 0, times 0 [ 137.777041][ T4611] CPU: 1 PID: 4611 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 137.779223][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 137.781656][ T4611] Call trace: [ 137.782478][ T4611] dump_backtrace+0x0/0x530 [ 137.783642][ T4611] show_stack+0x2c/0x3c [ 137.784729][ T4611] dump_stack_lvl+0x108/0x170 [ 137.785921][ T4611] dump_stack+0x1c/0x58 [ 137.786985][ T4611] should_fail+0x400/0x5cc [ 137.788092][ T4611] __should_failslab+0xbc/0x110 [ 137.789318][ T4611] should_failslab+0x10/0x28 [ 137.790523][ T4611] slab_pre_alloc_hook+0x64/0xe8 [ 137.791845][ T4611] kmem_cache_alloc+0x98/0x45c [ 137.793112][ T4611] new_inode_pseudo+0x110/0x200 [ 137.794338][ T4611] new_inode+0x38/0x174 [ 137.795427][ T4611] debugfs_create_dir+0xf0/0x420 [ 137.796719][ T4611] nbd_start_device+0x3bc/0xb34 [ 137.797959][ T4611] nbd_ioctl+0x420/0xc2c [ 137.799079][ T4611] blkdev_ioctl+0x3d8/0xbd0 [ 137.800251][ T4611] block_ioctl+0xa8/0x114 [ 137.801382][ T4611] __arm64_sys_ioctl+0x14c/0x1c8 [ 137.802645][ T4611] invoke_syscall+0x98/0x2b8 [ 137.803820][ T4611] el0_svc_common+0x138/0x258 [ 137.804957][ T4611] do_el0_svc+0x58/0x14c [ 137.806087][ T4611] el0_svc+0x7c/0x1f0 [ 137.807064][ T4611] el0t_64_sync_handler+0x84/0xe4 [ 137.808315][ T4611] el0t_64_sync+0x1a0/0x1a4 [ 137.809628][ T4611] debugfs: out of free dentries, can not create directory 'nbd0' [ 137.811589][ T4611] block nbd0: Failed to create debugfs dir for 'nbd0' [ 137.815033][ T4612] block nbd0: shutting down sockets executing program [ 137.975761][ T4614] FAULT_INJECTION: forcing a failure. [ 137.975761][ T4614] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 137.979168][ T4614] CPU: 1 PID: 4614 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 137.981238][ T4614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 137.983821][ T4614] Call trace: [ 137.984637][ T4614] dump_backtrace+0x0/0x530 [ 137.985859][ T4614] show_stack+0x2c/0x3c [ 137.986917][ T4614] dump_stack_lvl+0x108/0x170 [ 137.988104][ T4614] dump_stack+0x1c/0x58 [ 137.989208][ T4614] should_fail+0x400/0x5cc [ 137.990302][ T4614] should_fail_alloc_page+0x74/0xa8 [ 137.991597][ T4614] prepare_alloc_pages+0x160/0x4cc [ 137.993010][ T4614] __alloc_pages+0x138/0x674 [ 137.994196][ T4614] alloc_pages+0x390/0x634 [ 137.995352][ T4614] new_slab+0xec/0x56c [ 137.996410][ T4614] ___slab_alloc+0x6bc/0xdbc [ 137.997597][ T4614] __kmalloc_node+0x340/0x5b8 [ 137.998799][ T4614] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 138.000276][ T4614] nbd_start_device+0x158/0xb34 [ 138.001540][ T4614] nbd_ioctl+0x420/0xc2c [ 138.002631][ T4614] blkdev_ioctl+0x3d8/0xbd0 [ 138.003769][ T4614] block_ioctl+0xa8/0x114 [ 138.004884][ T4614] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.006134][ T4614] invoke_syscall+0x98/0x2b8 [ 138.007320][ T4614] el0_svc_common+0x138/0x258 [ 138.008517][ T4614] do_el0_svc+0x58/0x14c [ 138.009626][ T4614] el0_svc+0x7c/0x1f0 [ 138.010666][ T4614] el0t_64_sync_handler+0x84/0xe4 [ 138.011943][ T4614] el0t_64_sync+0x1a0/0x1a4 [ 138.017814][ T4615] block nbd0: shutting down sockets executing program [ 138.131945][ T4619] block nbd0: Device being setup by another task [ 138.177050][ T4618] FAULT_INJECTION: forcing a failure. [ 138.177050][ T4618] name failslab, interval 1, probability 0, space 0, times 0 [ 138.180539][ T4618] CPU: 0 PID: 4618 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 138.182780][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 138.185492][ T4618] Call trace: [ 138.186339][ T4618] dump_backtrace+0x0/0x530 [ 138.187567][ T4618] show_stack+0x2c/0x3c [ 138.188695][ T4618] dump_stack_lvl+0x108/0x170 [ 138.189991][ T4618] dump_stack+0x1c/0x58 [ 138.191135][ T4618] should_fail+0x400/0x5cc [ 138.192314][ T4618] __should_failslab+0xbc/0x110 [ 138.193577][ T4618] should_failslab+0x10/0x28 [ 138.194802][ T4618] slab_pre_alloc_hook+0x64/0xe8 [ 138.196062][ T4618] __kmalloc_track_caller+0x78/0x3d8 [ 138.197464][ T4618] kvasprintf+0x184/0x290 [ 138.198624][ T4618] kvasprintf_const+0xdc/0x230 [ 138.199921][ T4618] kobject_set_name_vargs+0xd0/0x1b8 [ 138.201330][ T4618] kobject_add+0x114/0x21c [ 138.202508][ T4618] blk_mq_register_hctx+0xc8/0x368 [ 138.203859][ T4618] blk_mq_sysfs_register+0xc8/0x194 [ 138.205246][ T4618] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 138.206743][ T4618] nbd_start_device+0x158/0xb34 [ 138.208041][ T4618] nbd_ioctl+0x420/0xc2c [ 138.209192][ T4618] blkdev_ioctl+0x3d8/0xbd0 [ 138.210373][ T4618] block_ioctl+0xa8/0x114 [ 138.211527][ T4618] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.212834][ T4618] invoke_syscall+0x98/0x2b8 [ 138.214039][ T4618] el0_svc_common+0x138/0x258 [ 138.215275][ T4618] do_el0_svc+0x58/0x14c [ 138.216447][ T4618] el0_svc+0x7c/0x1f0 [ 138.217495][ T4618] el0t_64_sync_handler+0x84/0xe4 [ 138.218915][ T4618] el0t_64_sync+0x1a0/0x1a4 [ 138.220217][ T4618] kobject: can not set name properly! [ 138.224109][ T4619] block nbd0: shutting down sockets executing program [ 138.365644][ T4621] ------------[ cut here ]------------ [ 138.367159][ T4621] kernfs: can not remove 'nr_tags', no directory [ 138.368799][ T4621] WARNING: CPU: 1 PID: 4621 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 138.371205][ T4621] Modules linked in: [ 138.372188][ T4621] CPU: 1 PID: 4621 Comm: syz-executor352 Not tainted 5.15.125-syzkaller #0 [ 138.374361][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 138.376971][ T4621] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 138.378919][ T4621] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 138.380406][ T4621] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 138.381917][ T4621] sp : ffff80001d387760 [ 138.383003][ T4621] x29: ffff80001d387760 x28: ffff0000cc151000 x27: ffff0000cba12f00 [ 138.385049][ T4621] x26: 0000000000000000 x25: ffff800015087588 x24: 1ffff000023e958c [ 138.387026][ T4621] x23: dfff800000000000 x22: ffff8000150875c0 x21: 0000000000000000 [ 138.389052][ T4621] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 138.391058][ T4621] x17: ff80800008334ef0 x16: ffff80001195fe04 x15: ffff800008334ef0 [ 138.393115][ T4621] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 138.395148][ T4621] x11: ff8080000832c998 x10: 0000000000000000 x9 : b32dc3b4c26bd800 [ 138.397166][ T4621] x8 : b32dc3b4c26bd800 x7 : 0000000000000001 x6 : 0000000000000001 [ 138.399197][ T4621] x5 : ffff80001d386ed8 x4 : ffff8000149dfca0 x3 : ffff80000854c6bc [ 138.401231][ T4621] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 138.403269][ T4621] Call trace: [ 138.404124][ T4621] kernfs_remove_by_name_ns+0xd0/0x158 [ 138.405503][ T4621] sysfs_remove_group+0xf8/0x288 [ 138.406759][ T4621] sysfs_remove_groups+0x5c/0xb4 [ 138.408034][ T4621] __kobject_del+0x90/0x2d4 [ 138.409187][ T4621] kobject_del+0x48/0x68 [ 138.410317][ T4621] blk_mq_sysfs_unregister+0x1a0/0x274 [ 138.411783][ T4621] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 138.413211][ T4621] nbd_start_device+0x158/0xb34 [ 138.414451][ T4621] nbd_ioctl+0x420/0xc2c [ 138.415588][ T4621] blkdev_ioctl+0x3d8/0xbd0 [ 138.416760][ T4621] block_ioctl+0xa8/0x114 [ 138.417858][ T4621] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.419160][ T4621] invoke_syscall+0x98/0x2b8 [ 138.420348][ T4621] el0_svc_common+0x138/0x258 [ 138.421575][ T4621] do_el0_svc+0x58/0x14c [ 138.422674][ T4621] el0_svc+0x7c/0x1f0 [ 138.423693][ T4621] el0t_64_sync_handler+0x84/0xe4 [ 138.424989][ T4621] el0t_64_sync+0x1a0/0x1a4 [ 138.426184][ T4621] irq event stamp: 2024 [ 138.427226][ T4621] hardirqs last enabled at (2023): [] __up_console_sem+0xb4/0x100 [ 138.429588][ T4621] hardirqs last disabled at (2024): [] el1_dbg+0x24/0x80 [ 138.431753][ T4621] softirqs last enabled at (218): [] local_bh_enable+0x10/0x34 [ 138.434075][ T4621] softirqs last disabled at (216): [] local_bh_disable+0x10/0x34 [ 138.436443][ T4621] ---[ end trace be537ba90b9b5133 ]--- [ 138.438120][ T4621] ------------[ cut here ]------------ [ 138.439462][ T4621] kernfs: can not remove 'nr_reserved_tags', no directory [ 138.441335][ T4621] WARNING: CPU: 1 PID: 4621 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 138.443932][ T4621] Modules linked in: [ 138.444947][ T4621] CPU: 1 PID: 4621 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 138.447501][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 138.450065][ T4621] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 138.452021][ T4621] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 138.453505][ T4621] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 138.455053][ T4621] sp : ffff80001d387760 [ 138.456149][ T4621] x29: ffff80001d387760 x28: ffff0000cc151000 x27: ffff0000cba12f00 [ 138.458172][ T4621] x26: 0000000000000000 x25: ffff800015087590 x24: 1ffff000023e958c [ 138.460250][ T4621] x23: dfff800000000000 x22: ffff800015087620 x21: 0000000000000000 [ 138.462310][ T4621] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 138.464333][ T4621] x17: ff80800008334ef0 x16: 0000000000000000 x15: ffff800008334ef0 [ 138.466439][ T4621] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 138.468510][ T4621] x11: ff8080000832c998 x10: 0000000000000000 x9 : b32dc3b4c26bd800 [ 138.470599][ T4621] x8 : b32dc3b4c26bd800 x7 : 0000000000000001 x6 : 0000000000000001 [ 138.472660][ T4621] x5 : ffff80001d386ed8 x4 : ffff8000149dfca0 x3 : ffff80000833503c [ 138.474754][ T4621] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037 [ 138.476815][ T4621] Call trace: [ 138.477626][ T4621] kernfs_remove_by_name_ns+0xd0/0x158 [ 138.479020][ T4621] sysfs_remove_group+0xf8/0x288 [ 138.480315][ T4621] sysfs_remove_groups+0x5c/0xb4 [ 138.481630][ T4621] __kobject_del+0x90/0x2d4 [ 138.482798][ T4621] kobject_del+0x48/0x68 [ 138.483905][ T4621] blk_mq_sysfs_unregister+0x1a0/0x274 [ 138.485337][ T4621] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 138.486738][ T4621] nbd_start_device+0x158/0xb34 [ 138.487961][ T4621] nbd_ioctl+0x420/0xc2c [ 138.489083][ T4621] blkdev_ioctl+0x3d8/0xbd0 [ 138.490232][ T4621] block_ioctl+0xa8/0x114 [ 138.491336][ T4621] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.492607][ T4621] invoke_syscall+0x98/0x2b8 [ 138.493805][ T4621] el0_svc_common+0x138/0x258 [ 138.495000][ T4621] do_el0_svc+0x58/0x14c [ 138.496098][ T4621] el0_svc+0x7c/0x1f0 [ 138.497106][ T4621] el0t_64_sync_handler+0x84/0xe4 [ 138.498393][ T4621] el0t_64_sync+0x1a0/0x1a4 [ 138.499582][ T4621] irq event stamp: 2070 [ 138.500631][ T4621] hardirqs last enabled at (2069): [] __up_console_sem+0xb4/0x100 [ 138.503129][ T4621] hardirqs last disabled at (2070): [] el1_dbg+0x24/0x80 [ 138.505302][ T4621] softirqs last enabled at (2048): [] __do_softirq+0xb5c/0xe20 [ 138.507648][ T4621] softirqs last disabled at (2027): [] __irq_exit_rcu+0x28c/0x534 [ 138.510130][ T4621] ---[ end trace be537ba90b9b5134 ]--- [ 138.511846][ T4621] ------------[ cut here ]------------ [ 138.513231][ T4621] kernfs: can not remove 'cpu_list', no directory [ 138.514989][ T4621] WARNING: CPU: 1 PID: 4621 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 138.517498][ T4621] Modules linked in: [ 138.518549][ T4621] CPU: 1 PID: 4621 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 138.521085][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 138.523862][ T4621] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 138.525980][ T4621] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 138.527559][ T4621] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 138.529149][ T4621] sp : ffff80001d387760 [ 138.530344][ T4621] x29: ffff80001d387760 x28: ffff0000cc151000 x27: ffff0000cba12f00 [ 138.532515][ T4621] x26: 0000000000000000 x25: ffff800015087598 x24: 1ffff000023e958c [ 138.534740][ T4621] x23: dfff800000000000 x22: ffff800015087680 x21: 0000000000000000 [ 138.536864][ T4621] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 138.538964][ T4621] x17: ff80800008334ef0 x16: 0000000000000000 x15: ffff800008334ef0 [ 138.541037][ T4621] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 138.543165][ T4621] x11: ff8080000832c998 x10: 0000000000000000 x9 : b32dc3b4c26bd800 [ 138.545339][ T4621] x8 : b32dc3b4c26bd800 x7 : 0000000000000001 x6 : 0000000000000001 [ 138.547461][ T4621] x5 : ffff80001d386ed8 x4 : ffff8000149dfca0 x3 : ffff80000833503c [ 138.549619][ T4621] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 138.551898][ T4621] Call trace: [ 138.552784][ T4621] kernfs_remove_by_name_ns+0xd0/0x158 [ 138.554245][ T4621] sysfs_remove_group+0xf8/0x288 [ 138.555634][ T4621] sysfs_remove_groups+0x5c/0xb4 [ 138.556999][ T4621] __kobject_del+0x90/0x2d4 [ 138.558233][ T4621] kobject_del+0x48/0x68 [ 138.559385][ T4621] blk_mq_sysfs_unregister+0x1a0/0x274 [ 138.560885][ T4621] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 138.562436][ T4621] nbd_start_device+0x158/0xb34 [ 138.563802][ T4621] nbd_ioctl+0x420/0xc2c [ 138.564941][ T4621] blkdev_ioctl+0x3d8/0xbd0 [ 138.566125][ T4621] block_ioctl+0xa8/0x114 [ 138.567381][ T4621] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.568728][ T4621] invoke_syscall+0x98/0x2b8 [ 138.569959][ T4621] el0_svc_common+0x138/0x258 [ 138.571180][ T4621] do_el0_svc+0x58/0x14c [ 138.572332][ T4621] el0_svc+0x7c/0x1f0 [ 138.573443][ T4621] el0t_64_sync_handler+0x84/0xe4 [ 138.574838][ T4621] el0t_64_sync+0x1a0/0x1a4 [ 138.576054][ T4621] irq event stamp: 2126 [ 138.577157][ T4621] hardirqs last enabled at (2125): [] __up_console_sem+0xb4/0x100 [ 138.579737][ T4621] hardirqs last disabled at (2126): [] el1_dbg+0x24/0x80 [ 138.582031][ T4621] softirqs last enabled at (2104): [] __do_softirq+0xb5c/0xe20 [ 138.584416][ T4621] softirqs last disabled at (2073): [] __irq_exit_rcu+0x28c/0x534 [ 138.586862][ T4621] ---[ end trace be537ba90b9b5135 ]--- [ 138.590615][ T4621] FAULT_INJECTION: forcing a failure. [ 138.590615][ T4621] name failslab, interval 1, probability 0, space 0, times 0 [ 138.593966][ T4621] CPU: 1 PID: 4621 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 138.596365][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 138.598799][ T4621] Call trace: [ 138.599644][ T4621] dump_backtrace+0x0/0x530 [ 138.600789][ T4621] show_stack+0x2c/0x3c [ 138.601816][ T4621] dump_stack_lvl+0x108/0x170 [ 138.602775][ T4621] dump_stack+0x1c/0x58 [ 138.603579][ T4621] should_fail+0x400/0x5cc [ 138.604412][ T4621] __should_failslab+0xbc/0x110 [ 138.605358][ T4621] should_failslab+0x10/0x28 [ 138.606228][ T4621] slab_pre_alloc_hook+0x64/0xe8 [ 138.607324][ T4621] __kmalloc_node+0xbc/0x5b8 [ 138.608522][ T4621] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 138.609946][ T4621] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 138.611423][ T4621] nbd_start_device+0x158/0xb34 [ 138.612643][ T4621] nbd_ioctl+0x420/0xc2c [ 138.613787][ T4621] blkdev_ioctl+0x3d8/0xbd0 [ 138.614962][ T4621] block_ioctl+0xa8/0x114 [ 138.616124][ T4621] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.617387][ T4621] invoke_syscall+0x98/0x2b8 [ 138.618609][ T4621] el0_svc_common+0x138/0x258 [ 138.619817][ T4621] do_el0_svc+0x58/0x14c [ 138.620973][ T4621] el0_svc+0x7c/0x1f0 [ 138.622011][ T4621] el0t_64_sync_handler+0x84/0xe4 [ 138.623340][ T4621] el0t_64_sync+0x1a0/0x1a4 [ 138.624645][ T4621] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 138.629252][ T4621] block nbd0: shutting down sockets executing program [ 138.775721][ T4625] FAULT_INJECTION: forcing a failure. [ 138.775721][ T4625] name failslab, interval 1, probability 0, space 0, times 0 [ 138.779013][ T4625] CPU: 1 PID: 4625 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 138.781532][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 138.784058][ T4625] Call trace: [ 138.784914][ T4625] dump_backtrace+0x0/0x530 [ 138.786088][ T4625] show_stack+0x2c/0x3c [ 138.787157][ T4625] dump_stack_lvl+0x108/0x170 [ 138.788397][ T4625] dump_stack+0x1c/0x58 [ 138.789627][ T4625] should_fail+0x400/0x5cc [ 138.790791][ T4625] __should_failslab+0xbc/0x110 [ 138.792105][ T4625] should_failslab+0x10/0x28 [ 138.793336][ T4625] slab_pre_alloc_hook+0x64/0xe8 [ 138.794656][ T4625] __kmalloc_node+0xbc/0x5b8 [ 138.795847][ T4625] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 138.797251][ T4625] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 138.798682][ T4625] nbd_start_device+0x158/0xb34 [ 138.799988][ T4625] nbd_ioctl+0x420/0xc2c [ 138.801071][ T4625] blkdev_ioctl+0x3d8/0xbd0 [ 138.802254][ T4625] block_ioctl+0xa8/0x114 [ 138.803425][ T4625] __arm64_sys_ioctl+0x14c/0x1c8 [ 138.804745][ T4625] invoke_syscall+0x98/0x2b8 [ 138.805970][ T4625] el0_svc_common+0x138/0x258 [ 138.807180][ T4625] do_el0_svc+0x58/0x14c [ 138.808346][ T4625] el0_svc+0x7c/0x1f0 [ 138.809416][ T4625] el0t_64_sync_handler+0x84/0xe4 [ 138.810755][ T4625] el0t_64_sync+0x1a0/0x1a4 [ 138.812112][ T4625] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 138.816988][ T4626] block nbd0: shutting down sockets executing program [ 138.995743][ T4629] FAULT_INJECTION: forcing a failure. [ 138.995743][ T4629] name failslab, interval 1, probability 0, space 0, times 0 [ 138.999114][ T4629] CPU: 0 PID: 4629 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 139.001676][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 139.004244][ T4629] Call trace: [ 139.005105][ T4629] dump_backtrace+0x0/0x530 [ 139.006250][ T4629] show_stack+0x2c/0x3c [ 139.007341][ T4629] dump_stack_lvl+0x108/0x170 [ 139.008568][ T4629] dump_stack+0x1c/0x58 [ 139.009662][ T4629] should_fail+0x400/0x5cc [ 139.010873][ T4629] __should_failslab+0xbc/0x110 [ 139.012209][ T4629] should_failslab+0x10/0x28 [ 139.013441][ T4629] slab_pre_alloc_hook+0x64/0xe8 [ 139.014832][ T4629] __kmalloc_node+0xbc/0x5b8 [ 139.016081][ T4629] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 139.017510][ T4629] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 139.019087][ T4629] nbd_start_device+0x158/0xb34 [ 139.020380][ T4629] nbd_ioctl+0x420/0xc2c [ 139.021517][ T4629] blkdev_ioctl+0x3d8/0xbd0 [ 139.022771][ T4629] block_ioctl+0xa8/0x114 [ 139.023924][ T4629] __arm64_sys_ioctl+0x14c/0x1c8 [ 139.025225][ T4629] invoke_syscall+0x98/0x2b8 [ 139.026386][ T4629] el0_svc_common+0x138/0x258 [ 139.027649][ T4629] do_el0_svc+0x58/0x14c [ 139.028811][ T4629] el0_svc+0x7c/0x1f0 [ 139.029834][ T4629] el0t_64_sync_handler+0x84/0xe4 [ 139.031133][ T4629] el0t_64_sync+0x1a0/0x1a4 [ 139.033034][ T4629] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 139.038572][ T4628] block nbd0: shutting down sockets executing program [ 139.155677][ T4632] FAULT_INJECTION: forcing a failure. [ 139.155677][ T4632] name failslab, interval 1, probability 0, space 0, times 0 [ 139.159082][ T4632] CPU: 1 PID: 4632 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 139.161711][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 139.164448][ T4632] Call trace: [ 139.165333][ T4632] dump_backtrace+0x0/0x530 [ 139.166517][ T4632] show_stack+0x2c/0x3c [ 139.167645][ T4632] dump_stack_lvl+0x108/0x170 [ 139.168900][ T4632] dump_stack+0x1c/0x58 [ 139.170038][ T4632] should_fail+0x400/0x5cc [ 139.171238][ T4632] __should_failslab+0xbc/0x110 [ 139.172536][ T4632] should_failslab+0x10/0x28 [ 139.173850][ T4632] slab_pre_alloc_hook+0x64/0xe8 [ 139.175196][ T4632] __kmalloc_node+0xbc/0x5b8 [ 139.176455][ T4632] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 139.177947][ T4632] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 139.179550][ T4632] nbd_start_device+0x158/0xb34 [ 139.180857][ T4632] nbd_ioctl+0x420/0xc2c [ 139.181985][ T4632] blkdev_ioctl+0x3d8/0xbd0 [ 139.183229][ T4632] block_ioctl+0xa8/0x114 [ 139.184390][ T4632] __arm64_sys_ioctl+0x14c/0x1c8 [ 139.185733][ T4632] invoke_syscall+0x98/0x2b8 [ 139.186964][ T4632] el0_svc_common+0x138/0x258 [ 139.188238][ T4632] do_el0_svc+0x58/0x14c [ 139.189398][ T4632] el0_svc+0x7c/0x1f0 [ 139.190501][ T4632] el0t_64_sync_handler+0x84/0xe4 [ 139.191910][ T4632] el0t_64_sync+0x1a0/0x1a4 [ 139.193352][ T4632] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 139.198208][ T4633] block nbd0: shutting down sockets executing program [ 139.356771][ T4636] FAULT_INJECTION: forcing a failure. [ 139.356771][ T4636] name failslab, interval 1, probability 0, space 0, times 0 [ 139.360256][ T4636] CPU: 0 PID: 4636 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 139.363071][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 139.365978][ T4636] Call trace: [ 139.366928][ T4636] dump_backtrace+0x0/0x530 [ 139.368226][ T4636] show_stack+0x2c/0x3c [ 139.369386][ T4636] dump_stack_lvl+0x108/0x170 [ 139.370764][ T4636] dump_stack+0x1c/0x58 [ 139.371994][ T4636] should_fail+0x400/0x5cc [ 139.373289][ T4636] __should_failslab+0xbc/0x110 [ 139.374643][ T4636] should_failslab+0x10/0x28 [ 139.375965][ T4636] slab_pre_alloc_hook+0x64/0xe8 [ 139.377319][ T4636] __kmalloc_node+0xbc/0x5b8 [ 139.378628][ T4636] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 139.380200][ T4636] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 139.381846][ T4636] nbd_start_device+0x158/0xb34 [ 139.383221][ T4636] nbd_ioctl+0x420/0xc2c [ 139.384415][ T4636] blkdev_ioctl+0x3d8/0xbd0 [ 139.385716][ T4636] block_ioctl+0xa8/0x114 [ 139.386967][ T4636] __arm64_sys_ioctl+0x14c/0x1c8 [ 139.388371][ T4636] invoke_syscall+0x98/0x2b8 [ 139.389668][ T4636] el0_svc_common+0x138/0x258 [ 139.391018][ T4636] do_el0_svc+0x58/0x14c [ 139.392230][ T4636] el0_svc+0x7c/0x1f0 [ 139.393356][ T4636] el0t_64_sync_handler+0x84/0xe4 [ 139.394817][ T4636] el0t_64_sync+0x1a0/0x1a4 [ 139.397258][ T4636] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 139.402308][ T4635] block nbd0: shutting down sockets executing program [ 139.535850][ T4639] FAULT_INJECTION: forcing a failure. [ 139.535850][ T4639] name failslab, interval 1, probability 0, space 0, times 0 [ 139.539168][ T4639] CPU: 1 PID: 4639 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 139.541719][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 139.544383][ T4639] Call trace: [ 139.545279][ T4639] dump_backtrace+0x0/0x530 [ 139.546513][ T4639] show_stack+0x2c/0x3c [ 139.547638][ T4639] dump_stack_lvl+0x108/0x170 [ 139.548902][ T4639] dump_stack+0x1c/0x58 [ 139.549994][ T4639] should_fail+0x400/0x5cc [ 139.551208][ T4639] __should_failslab+0xbc/0x110 [ 139.552491][ T4639] should_failslab+0x10/0x28 [ 139.553468][ T4639] slab_pre_alloc_hook+0x64/0xe8 [ 139.554466][ T4639] __kmalloc_node+0xbc/0x5b8 [ 139.555380][ T4639] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 139.556959][ T4639] nbd_start_device+0x158/0xb34 [ 139.558265][ T4639] nbd_ioctl+0x420/0xc2c [ 139.559366][ T4639] blkdev_ioctl+0x3d8/0xbd0 [ 139.560545][ T4639] block_ioctl+0xa8/0x114 [ 139.561660][ T4639] __arm64_sys_ioctl+0x14c/0x1c8 [ 139.563019][ T4639] invoke_syscall+0x98/0x2b8 [ 139.564247][ T4639] el0_svc_common+0x138/0x258 [ 139.565512][ T4639] do_el0_svc+0x58/0x14c [ 139.566697][ T4639] el0_svc+0x7c/0x1f0 [ 139.567802][ T4639] el0t_64_sync_handler+0x84/0xe4 [ 139.569124][ T4639] el0t_64_sync+0x1a0/0x1a4 [ 139.574135][ T4640] block nbd0: shutting down sockets executing program [ 139.725733][ T4642] FAULT_INJECTION: forcing a failure. [ 139.725733][ T4642] name failslab, interval 1, probability 0, space 0, times 0 [ 139.729045][ T4642] CPU: 1 PID: 4642 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 139.731643][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 139.734358][ T4642] Call trace: [ 139.735203][ T4642] dump_backtrace+0x0/0x530 [ 139.736402][ T4642] show_stack+0x2c/0x3c [ 139.737499][ T4642] dump_stack_lvl+0x108/0x170 [ 139.738741][ T4642] dump_stack+0x1c/0x58 [ 139.739898][ T4642] should_fail+0x400/0x5cc [ 139.741034][ T4642] __should_failslab+0xbc/0x110 [ 139.742386][ T4642] should_failslab+0x10/0x28 [ 139.743560][ T4642] slab_pre_alloc_hook+0x64/0xe8 [ 139.744921][ T4642] __kmalloc_node+0xbc/0x5b8 [ 139.746172][ T4642] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 139.747569][ T4642] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 139.749058][ T4642] nbd_start_device+0x158/0xb34 [ 139.750333][ T4642] nbd_ioctl+0x420/0xc2c [ 139.751454][ T4642] blkdev_ioctl+0x3d8/0xbd0 [ 139.752675][ T4642] block_ioctl+0xa8/0x114 [ 139.753848][ T4642] __arm64_sys_ioctl+0x14c/0x1c8 [ 139.755164][ T4642] invoke_syscall+0x98/0x2b8 [ 139.756374][ T4642] el0_svc_common+0x138/0x258 [ 139.757631][ T4642] do_el0_svc+0x58/0x14c [ 139.758775][ T4642] el0_svc+0x7c/0x1f0 [ 139.759831][ T4642] el0t_64_sync_handler+0x84/0xe4 [ 139.761173][ T4642] el0t_64_sync+0x1a0/0x1a4 [ 139.762534][ T4642] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 139.766888][ T4643] block nbd0: shutting down sockets executing program [ 139.895819][ T4646] FAULT_INJECTION: forcing a failure. [ 139.895819][ T4646] name failslab, interval 1, probability 0, space 0, times 0 [ 139.899171][ T4646] CPU: 0 PID: 4646 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 139.901732][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 139.904505][ T4646] Call trace: [ 139.905361][ T4646] dump_backtrace+0x0/0x530 [ 139.906541][ T4646] show_stack+0x2c/0x3c [ 139.907696][ T4646] dump_stack_lvl+0x108/0x170 [ 139.908942][ T4646] dump_stack+0x1c/0x58 [ 139.910105][ T4646] should_fail+0x400/0x5cc [ 139.911331][ T4646] __should_failslab+0xbc/0x110 [ 139.912663][ T4646] should_failslab+0x10/0x28 [ 139.913925][ T4646] slab_pre_alloc_hook+0x64/0xe8 [ 139.915245][ T4646] __kmalloc_node+0xbc/0x5b8 [ 139.916475][ T4646] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 139.917936][ T4646] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 139.919509][ T4646] nbd_start_device+0x158/0xb34 [ 139.920828][ T4646] nbd_ioctl+0x420/0xc2c [ 139.922031][ T4646] blkdev_ioctl+0x3d8/0xbd0 [ 139.923288][ T4646] block_ioctl+0xa8/0x114 [ 139.924513][ T4646] __arm64_sys_ioctl+0x14c/0x1c8 [ 139.925881][ T4646] invoke_syscall+0x98/0x2b8 [ 139.927125][ T4646] el0_svc_common+0x138/0x258 [ 139.928423][ T4646] do_el0_svc+0x58/0x14c [ 139.929569][ T4646] el0_svc+0x7c/0x1f0 [ 139.930693][ T4646] el0t_64_sync_handler+0x84/0xe4 [ 139.932135][ T4646] el0t_64_sync+0x1a0/0x1a4 [ 139.933940][ T4646] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 139.938408][ T4647] block nbd0: shutting down sockets executing program [ 140.095814][ T4649] FAULT_INJECTION: forcing a failure. [ 140.095814][ T4649] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 140.099307][ T4649] CPU: 0 PID: 4649 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 140.101854][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 140.104515][ T4649] Call trace: [ 140.105408][ T4649] dump_backtrace+0x0/0x530 [ 140.106633][ T4649] show_stack+0x2c/0x3c [ 140.107783][ T4649] dump_stack_lvl+0x108/0x170 [ 140.109002][ T4649] dump_stack+0x1c/0x58 [ 140.110076][ T4649] should_fail+0x400/0x5cc [ 140.111334][ T4649] should_fail_alloc_page+0x74/0xa8 [ 140.112667][ T4649] prepare_alloc_pages+0x160/0x4cc [ 140.114013][ T4649] __alloc_pages+0x138/0x674 [ 140.115203][ T4649] alloc_pages+0x390/0x634 [ 140.116365][ T4649] new_slab+0xec/0x56c [ 140.117465][ T4649] ___slab_alloc+0x6bc/0xdbc [ 140.118725][ T4649] __kmalloc_node+0x340/0x5b8 [ 140.119965][ T4649] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 140.121509][ T4649] nbd_start_device+0x158/0xb34 [ 140.122802][ T4649] nbd_ioctl+0x420/0xc2c [ 140.123921][ T4649] blkdev_ioctl+0x3d8/0xbd0 [ 140.125125][ T4649] block_ioctl+0xa8/0x114 [ 140.126299][ T4649] __arm64_sys_ioctl+0x14c/0x1c8 [ 140.127625][ T4649] invoke_syscall+0x98/0x2b8 [ 140.128938][ T4649] el0_svc_common+0x138/0x258 [ 140.130175][ T4649] do_el0_svc+0x58/0x14c [ 140.131317][ T4649] el0_svc+0x7c/0x1f0 [ 140.132350][ T4649] el0t_64_sync_handler+0x84/0xe4 [ 140.133644][ T4649] el0t_64_sync+0x1a0/0x1a4 [ 140.139028][ T4650] block nbd0: shutting down sockets executing program [ 140.232811][ T4652] FAULT_INJECTION: forcing a failure. [ 140.232811][ T4652] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 140.236372][ T4652] CPU: 0 PID: 4652 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 140.239053][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 140.241748][ T4652] Call trace: [ 140.242628][ T4652] dump_backtrace+0x0/0x530 [ 140.243886][ T4652] show_stack+0x2c/0x3c [ 140.245038][ T4652] dump_stack_lvl+0x108/0x170 [ 140.246287][ T4652] dump_stack+0x1c/0x58 [ 140.247457][ T4652] should_fail+0x400/0x5cc [ 140.248739][ T4652] should_fail_alloc_page+0x74/0xa8 [ 140.250146][ T4652] prepare_alloc_pages+0x160/0x4cc [ 140.251557][ T4652] __alloc_pages+0x138/0x674 [ 140.252814][ T4652] alloc_pages+0x390/0x634 [ 140.254008][ T4652] new_slab+0xec/0x56c [ 140.255148][ T4652] ___slab_alloc+0x6bc/0xdbc [ 140.256354][ T4652] kmem_cache_alloc+0x2d8/0x45c [ 140.257646][ T4652] __d_alloc+0x3c/0x6a8 [ 140.258817][ T4652] d_alloc_parallel+0xb8/0x11bc [ 140.260068][ T4652] __lookup_slow+0x108/0x388 [ 140.261302][ T4652] lookup_one_len+0x178/0x28c [ 140.262567][ T4652] start_creating+0x19c/0x2e0 [ 140.263826][ T4652] debugfs_create_dir+0x34/0x420 [ 140.265077][ T4652] nbd_start_device+0x3bc/0xb34 [ 140.266383][ T4652] nbd_ioctl+0x420/0xc2c [ 140.267533][ T4652] blkdev_ioctl+0x3d8/0xbd0 [ 140.268802][ T4652] block_ioctl+0xa8/0x114 [ 140.270031][ T4652] __arm64_sys_ioctl+0x14c/0x1c8 [ 140.271317][ T4652] invoke_syscall+0x98/0x2b8 [ 140.272558][ T4652] el0_svc_common+0x138/0x258 [ 140.273824][ T4652] do_el0_svc+0x58/0x14c [ 140.274952][ T4652] el0_svc+0x7c/0x1f0 [ 140.276025][ T4652] el0t_64_sync_handler+0x84/0xe4 [ 140.277416][ T4652] el0t_64_sync+0x1a0/0x1a4 [ 140.283945][ T4653] block nbd0: shutting down sockets executing program [ 140.382785][ T4655] FAULT_INJECTION: forcing a failure. [ 140.382785][ T4655] name failslab, interval 1, probability 0, space 0, times 0 [ 140.386175][ T4655] CPU: 0 PID: 4655 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 140.388726][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 140.391350][ T4655] Call trace: [ 140.392219][ T4655] dump_backtrace+0x0/0x530 [ 140.393399][ T4655] show_stack+0x2c/0x3c [ 140.394480][ T4655] dump_stack_lvl+0x108/0x170 [ 140.395829][ T4655] dump_stack+0x1c/0x58 [ 140.396982][ T4655] should_fail+0x400/0x5cc [ 140.398206][ T4655] __should_failslab+0xbc/0x110 [ 140.399489][ T4655] should_failslab+0x10/0x28 [ 140.400772][ T4655] slab_pre_alloc_hook+0x64/0xe8 [ 140.402071][ T4655] kmem_cache_alloc+0x98/0x45c [ 140.403336][ T4655] new_inode_pseudo+0x110/0x200 [ 140.404624][ T4655] new_inode+0x38/0x174 [ 140.405726][ T4655] debugfs_create_dir+0xf0/0x420 [ 140.407035][ T4655] nbd_start_device+0x3bc/0xb34 [ 140.408292][ T4655] nbd_ioctl+0x420/0xc2c [ 140.409420][ T4655] blkdev_ioctl+0x3d8/0xbd0 [ 140.410638][ T4655] block_ioctl+0xa8/0x114 [ 140.411813][ T4655] __arm64_sys_ioctl+0x14c/0x1c8 [ 140.413115][ T4655] invoke_syscall+0x98/0x2b8 [ 140.414321][ T4655] el0_svc_common+0x138/0x258 [ 140.415568][ T4655] do_el0_svc+0x58/0x14c [ 140.416708][ T4655] el0_svc+0x7c/0x1f0 [ 140.417769][ T4655] el0t_64_sync_handler+0x84/0xe4 [ 140.419102][ T4655] el0t_64_sync+0x1a0/0x1a4 [ 140.420385][ T4655] debugfs: out of free dentries, can not create directory 'nbd0' [ 140.422565][ T4655] block nbd0: Failed to create debugfs dir for 'nbd0' [ 140.433399][ T4656] block nbd0: shutting down sockets executing program [ 140.532830][ T4658] FAULT_INJECTION: forcing a failure. [ 140.532830][ T4658] name failslab, interval 1, probability 0, space 0, times 0 [ 140.536102][ T4658] CPU: 1 PID: 4658 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 140.538590][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 140.541185][ T4658] Call trace: [ 140.542077][ T4658] dump_backtrace+0x0/0x530 [ 140.543409][ T4658] show_stack+0x2c/0x3c [ 140.544497][ T4658] dump_stack_lvl+0x108/0x170 [ 140.545780][ T4658] dump_stack+0x1c/0x58 [ 140.546916][ T4658] should_fail+0x400/0x5cc [ 140.548060][ T4658] __should_failslab+0xbc/0x110 [ 140.549332][ T4658] should_failslab+0x10/0x28 [ 140.550538][ T4658] slab_pre_alloc_hook+0x64/0xe8 [ 140.551855][ T4658] kmem_cache_alloc+0x98/0x45c [ 140.553061][ T4658] __d_alloc+0x3c/0x6a8 [ 140.554176][ T4658] d_alloc_parallel+0xb8/0x11bc [ 140.555469][ T4658] __lookup_slow+0x108/0x388 [ 140.556670][ T4658] lookup_one_len+0x178/0x28c [ 140.557900][ T4658] start_creating+0x19c/0x2e0 [ 140.559143][ T4658] debugfs_create_dir+0x34/0x420 [ 140.560479][ T4658] nbd_start_device+0x3bc/0xb34 [ 140.561721][ T4658] nbd_ioctl+0x420/0xc2c [ 140.562857][ T4658] blkdev_ioctl+0x3d8/0xbd0 [ 140.564083][ T4658] block_ioctl+0xa8/0x114 [ 140.565262][ T4658] __arm64_sys_ioctl+0x14c/0x1c8 [ 140.566546][ T4658] invoke_syscall+0x98/0x2b8 [ 140.567761][ T4658] el0_svc_common+0x138/0x258 [ 140.568936][ T4658] do_el0_svc+0x58/0x14c [ 140.570056][ T4658] el0_svc+0x7c/0x1f0 [ 140.571104][ T4658] el0t_64_sync_handler+0x84/0xe4 [ 140.572495][ T4658] el0t_64_sync+0x1a0/0x1a4 [ 140.574017][ T4658] block nbd0: Failed to create debugfs dir for 'nbd0' [ 140.583579][ T4659] block nbd0: shutting down sockets executing program [ 140.711916][ T4662] block nbd0: Device being setup by another task [ 140.757165][ T4661] FAULT_INJECTION: forcing a failure. [ 140.757165][ T4661] name failslab, interval 1, probability 0, space 0, times 0 [ 140.760485][ T4661] CPU: 0 PID: 4661 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 140.763080][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 140.765731][ T4661] Call trace: [ 140.766529][ T4661] dump_backtrace+0x0/0x530 [ 140.767738][ T4661] show_stack+0x2c/0x3c [ 140.768806][ T4661] dump_stack_lvl+0x108/0x170 [ 140.770022][ T4661] dump_stack+0x1c/0x58 [ 140.771097][ T4661] should_fail+0x400/0x5cc [ 140.772301][ T4661] __should_failslab+0xbc/0x110 [ 140.773561][ T4661] should_failslab+0x10/0x28 [ 140.774775][ T4661] slab_pre_alloc_hook+0x64/0xe8 [ 140.776058][ T4661] __kmalloc_track_caller+0x78/0x3d8 [ 140.777556][ T4661] kstrdup+0xe4/0x15c [ 140.778624][ T4661] kstrdup_const+0x54/0x6c [ 140.779798][ T4661] __kernfs_new_node+0xa8/0x684 [ 140.781077][ T4661] kernfs_new_node+0x98/0x194 [ 140.782338][ T4661] kernfs_create_dir_ns+0x58/0x12c [ 140.783676][ T4661] sysfs_create_dir_ns+0x150/0x318 [ 140.785053][ T4661] kobject_add_internal+0x384/0x8f0 [ 140.786375][ T4661] kobject_add+0x14c/0x21c [ 140.787594][ T4661] blk_mq_register_hctx+0xc8/0x368 [ 140.788967][ T4661] blk_mq_sysfs_register+0xc8/0x194 [ 140.790386][ T4661] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 140.791946][ T4661] nbd_start_device+0x158/0xb34 [ 140.793221][ T4661] nbd_ioctl+0x420/0xc2c [ 140.794317][ T4661] blkdev_ioctl+0x3d8/0xbd0 [ 140.795537][ T4661] block_ioctl+0xa8/0x114 [ 140.796752][ T4661] __arm64_sys_ioctl+0x14c/0x1c8 [ 140.798092][ T4661] invoke_syscall+0x98/0x2b8 [ 140.799288][ T4661] el0_svc_common+0x138/0x258 [ 140.800559][ T4661] do_el0_svc+0x58/0x14c [ 140.801734][ T4661] el0_svc+0x7c/0x1f0 [ 140.802845][ T4661] el0t_64_sync_handler+0x84/0xe4 [ 140.804125][ T4661] el0t_64_sync+0x1a0/0x1a4 [ 140.805997][ T4661] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 140.810361][ T4662] block nbd0: shutting down sockets executing program [ 140.941945][ T4666] block nbd0: Device being setup by another task [ 140.943808][ T4665] FAULT_INJECTION: forcing a failure. [ 140.943808][ T4665] name failslab, interval 1, probability 0, space 0, times 0 [ 140.947023][ T4665] CPU: 1 PID: 4665 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 140.949624][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 140.952312][ T4665] Call trace: [ 140.953137][ T4665] dump_backtrace+0x0/0x530 [ 140.954323][ T4665] show_stack+0x2c/0x3c [ 140.955404][ T4665] dump_stack_lvl+0x108/0x170 [ 140.956658][ T4665] dump_stack+0x1c/0x58 [ 140.957779][ T4665] should_fail+0x400/0x5cc [ 140.958883][ T4665] __should_failslab+0xbc/0x110 [ 140.960166][ T4665] should_failslab+0x10/0x28 [ 140.961415][ T4665] slab_pre_alloc_hook+0x64/0xe8 [ 140.962733][ T4665] kmem_cache_alloc+0x98/0x45c [ 140.963992][ T4665] new_inode_pseudo+0x110/0x200 [ 140.965263][ T4665] new_inode+0x38/0x174 [ 140.966367][ T4665] debugfs_create_dir+0xf0/0x420 [ 140.967720][ T4665] nbd_start_device+0x3bc/0xb34 [ 140.969099][ T4665] nbd_ioctl+0x420/0xc2c [ 140.970303][ T4665] blkdev_ioctl+0x3d8/0xbd0 [ 140.971549][ T4665] block_ioctl+0xa8/0x114 [ 140.972823][ T4665] __arm64_sys_ioctl+0x14c/0x1c8 [ 140.974322][ T4665] invoke_syscall+0x98/0x2b8 [ 140.975583][ T4665] el0_svc_common+0x138/0x258 [ 140.976891][ T4665] do_el0_svc+0x58/0x14c [ 140.978074][ T4665] el0_svc+0x7c/0x1f0 [ 140.979155][ T4665] el0t_64_sync_handler+0x84/0xe4 [ 140.980536][ T4665] el0t_64_sync+0x1a0/0x1a4 [ 140.982953][ T4665] debugfs: out of free dentries, can not create directory 'nbd0' [ 140.985305][ T4665] block nbd0: Failed to create debugfs dir for 'nbd0' [ 140.987407][ T4666] block nbd0: shutting down sockets executing program [ 141.135662][ T4668] ------------[ cut here ]------------ [ 141.137145][ T4668] kernfs: can not remove 'nr_tags', no directory [ 141.138882][ T4668] WARNING: CPU: 1 PID: 4668 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 141.141347][ T4668] Modules linked in: [ 141.142372][ T4668] CPU: 1 PID: 4668 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.145128][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.147866][ T4668] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 141.149899][ T4668] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 141.151403][ T4668] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 141.152900][ T4668] sp : ffff80001d447760 [ 141.153998][ T4668] x29: ffff80001d447760 x28: ffff0000cc151000 x27: ffff0000cba12f00 [ 141.156191][ T4668] x26: 0000000000000000 x25: ffff800015087588 x24: 1ffff000023e958c [ 141.158410][ T4668] x23: dfff800000000000 x22: ffff8000150875c0 x21: 0000000000000000 [ 141.160547][ T4668] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 141.162639][ T4668] x17: ff80800008334ef0 x16: ffff80001195fe04 x15: ffff800008334ef0 [ 141.164745][ T4668] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 141.166787][ T4668] x11: ff8080000832c998 x10: 0000000000000000 x9 : f085351e9c956b00 [ 141.168921][ T4668] x8 : f085351e9c956b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 141.171097][ T4668] x5 : ffff80001d446ed8 x4 : ffff8000149dfca0 x3 : ffff80000854c6bc [ 141.173116][ T4668] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 141.175268][ T4668] Call trace: [ 141.176112][ T4668] kernfs_remove_by_name_ns+0xd0/0x158 [ 141.177563][ T4668] sysfs_remove_group+0xf8/0x288 [ 141.178860][ T4668] sysfs_remove_groups+0x5c/0xb4 [ 141.180143][ T4668] __kobject_del+0x90/0x2d4 [ 141.181294][ T4668] kobject_del+0x48/0x68 [ 141.182395][ T4668] blk_mq_sysfs_unregister+0x1a0/0x274 [ 141.183810][ T4668] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 141.185314][ T4668] nbd_start_device+0x158/0xb34 [ 141.186579][ T4668] nbd_ioctl+0x420/0xc2c [ 141.187695][ T4668] blkdev_ioctl+0x3d8/0xbd0 [ 141.188916][ T4668] block_ioctl+0xa8/0x114 [ 141.190024][ T4668] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.191337][ T4668] invoke_syscall+0x98/0x2b8 [ 141.192533][ T4668] el0_svc_common+0x138/0x258 [ 141.193777][ T4668] do_el0_svc+0x58/0x14c [ 141.194901][ T4668] el0_svc+0x7c/0x1f0 [ 141.195910][ T4668] el0t_64_sync_handler+0x84/0xe4 [ 141.197278][ T4668] el0t_64_sync+0x1a0/0x1a4 [ 141.198397][ T4668] irq event stamp: 2022 [ 141.199454][ T4668] hardirqs last enabled at (2021): [] __up_console_sem+0xb4/0x100 [ 141.202019][ T4668] hardirqs last disabled at (2022): [] el1_dbg+0x24/0x80 [ 141.204279][ T4668] softirqs last enabled at (364): [] local_bh_enable+0x10/0x34 [ 141.206689][ T4668] softirqs last disabled at (362): [] local_bh_disable+0x10/0x34 [ 141.209173][ T4668] ---[ end trace be537ba90b9b5136 ]--- [ 141.210857][ T4668] ------------[ cut here ]------------ [ 141.212298][ T4668] kernfs: can not remove 'nr_reserved_tags', no directory [ 141.214265][ T4668] WARNING: CPU: 1 PID: 4668 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 141.216724][ T4668] Modules linked in: [ 141.217682][ T4668] CPU: 1 PID: 4668 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.220190][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.222789][ T4668] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 141.224779][ T4668] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 141.226272][ T4668] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 141.227800][ T4668] sp : ffff80001d447760 [ 141.228856][ T4668] x29: ffff80001d447760 x28: ffff0000cc151000 x27: ffff0000cba12f00 [ 141.230901][ T4668] x26: 0000000000000000 x25: ffff800015087590 x24: 1ffff000023e958c [ 141.233055][ T4668] x23: dfff800000000000 x22: ffff800015087620 x21: 0000000000000000 [ 141.235206][ T4668] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 141.237380][ T4668] x17: ff80800008334ef0 x16: 0000000000000000 x15: ffff800008334ef0 [ 141.239433][ T4668] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 141.241554][ T4668] x11: ff8080000832c998 x10: 0000000000000000 x9 : f085351e9c956b00 [ 141.243590][ T4668] x8 : f085351e9c956b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 141.245718][ T4668] x5 : ffff80001d446ed8 x4 : ffff8000149dfca0 x3 : ffff80000833503c [ 141.247738][ T4668] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037 [ 141.249823][ T4668] Call trace: [ 141.250653][ T4668] kernfs_remove_by_name_ns+0xd0/0x158 [ 141.252082][ T4668] sysfs_remove_group+0xf8/0x288 [ 141.253382][ T4668] sysfs_remove_groups+0x5c/0xb4 [ 141.254715][ T4668] __kobject_del+0x90/0x2d4 [ 141.255873][ T4668] kobject_del+0x48/0x68 [ 141.256962][ T4668] blk_mq_sysfs_unregister+0x1a0/0x274 [ 141.258382][ T4668] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 141.259866][ T4668] nbd_start_device+0x158/0xb34 [ 141.261163][ T4668] nbd_ioctl+0x420/0xc2c [ 141.262317][ T4668] blkdev_ioctl+0x3d8/0xbd0 [ 141.263554][ T4668] block_ioctl+0xa8/0x114 [ 141.264721][ T4668] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.266073][ T4668] invoke_syscall+0x98/0x2b8 [ 141.267297][ T4668] el0_svc_common+0x138/0x258 [ 141.268509][ T4668] do_el0_svc+0x58/0x14c [ 141.269683][ T4668] el0_svc+0x7c/0x1f0 [ 141.270783][ T4668] el0t_64_sync_handler+0x84/0xe4 [ 141.272135][ T4668] el0t_64_sync+0x1a0/0x1a4 [ 141.273365][ T4668] irq event stamp: 2078 [ 141.274454][ T4668] hardirqs last enabled at (2077): [] __up_console_sem+0xb4/0x100 [ 141.276939][ T4668] hardirqs last disabled at (2078): [] el1_dbg+0x24/0x80 [ 141.279251][ T4668] softirqs last enabled at (2066): [] __do_softirq+0xb5c/0xe20 [ 141.281647][ T4668] softirqs last disabled at (2061): [] __irq_exit_rcu+0x28c/0x534 [ 141.284160][ T4668] ---[ end trace be537ba90b9b5137 ]--- [ 141.285934][ T4668] ------------[ cut here ]------------ [ 141.287325][ T4668] kernfs: can not remove 'cpu_list', no directory [ 141.289102][ T4668] WARNING: CPU: 1 PID: 4668 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 141.291543][ T4668] Modules linked in: [ 141.292563][ T4668] CPU: 1 PID: 4668 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.295189][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.297780][ T4668] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 141.299901][ T4668] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 141.301445][ T4668] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 141.302987][ T4668] sp : ffff80001d447760 [ 141.304086][ T4668] x29: ffff80001d447760 x28: ffff0000cc151000 x27: ffff0000cba12f00 [ 141.306182][ T4668] x26: 0000000000000000 x25: ffff800015087598 x24: 1ffff000023e958c [ 141.308302][ T4668] x23: dfff800000000000 x22: ffff800015087680 x21: 0000000000000000 [ 141.310348][ T4668] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 141.312546][ T4668] x17: ff80800008334ef0 x16: 0000000000000000 x15: ffff800008334ef0 [ 141.314629][ T4668] x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 [ 141.316767][ T4668] x11: ff8080000832c998 x10: 0000000000000000 x9 : f085351e9c956b00 [ 141.318916][ T4668] x8 : f085351e9c956b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 141.320961][ T4668] x5 : ffff80001d446ed8 x4 : ffff8000149dfca0 x3 : ffff80000833503c [ 141.323028][ T4668] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 141.325130][ T4668] Call trace: [ 141.325997][ T4668] kernfs_remove_by_name_ns+0xd0/0x158 [ 141.327484][ T4668] sysfs_remove_group+0xf8/0x288 [ 141.328883][ T4668] sysfs_remove_groups+0x5c/0xb4 [ 141.330252][ T4668] __kobject_del+0x90/0x2d4 [ 141.331464][ T4668] kobject_del+0x48/0x68 [ 141.332593][ T4668] blk_mq_sysfs_unregister+0x1a0/0x274 [ 141.333984][ T4668] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 141.335474][ T4668] nbd_start_device+0x158/0xb34 [ 141.336729][ T4668] nbd_ioctl+0x420/0xc2c [ 141.337811][ T4668] blkdev_ioctl+0x3d8/0xbd0 [ 141.339023][ T4668] block_ioctl+0xa8/0x114 [ 141.340144][ T4668] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.341424][ T4668] invoke_syscall+0x98/0x2b8 [ 141.342598][ T4668] el0_svc_common+0x138/0x258 [ 141.343821][ T4668] do_el0_svc+0x58/0x14c [ 141.344935][ T4668] el0_svc+0x7c/0x1f0 [ 141.345988][ T4668] el0t_64_sync_handler+0x84/0xe4 [ 141.347390][ T4668] el0t_64_sync+0x1a0/0x1a4 [ 141.348596][ T4668] irq event stamp: 2128 [ 141.349761][ T4668] hardirqs last enabled at (2127): [] __up_console_sem+0xb4/0x100 [ 141.352289][ T4668] hardirqs last disabled at (2128): [] el1_dbg+0x24/0x80 [ 141.354563][ T4668] softirqs last enabled at (2106): [] __do_softirq+0xb5c/0xe20 [ 141.356995][ T4668] softirqs last disabled at (2081): [] __irq_exit_rcu+0x28c/0x534 [ 141.359473][ T4668] ---[ end trace be537ba90b9b5138 ]--- [ 141.363761][ T4668] FAULT_INJECTION: forcing a failure. [ 141.363761][ T4668] name failslab, interval 1, probability 0, space 0, times 0 [ 141.366998][ T4668] CPU: 1 PID: 4668 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.369532][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.372223][ T4668] Call trace: [ 141.373071][ T4668] dump_backtrace+0x0/0x530 [ 141.374288][ T4668] show_stack+0x2c/0x3c [ 141.375407][ T4668] dump_stack_lvl+0x108/0x170 [ 141.376652][ T4668] dump_stack+0x1c/0x58 [ 141.377767][ T4668] should_fail+0x400/0x5cc [ 141.378931][ T4668] __should_failslab+0xbc/0x110 [ 141.380235][ T4668] should_failslab+0x10/0x28 [ 141.381409][ T4668] slab_pre_alloc_hook+0x64/0xe8 [ 141.382716][ T4668] __kmalloc_node+0xbc/0x5b8 [ 141.383939][ T4668] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 141.385376][ T4668] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 141.386878][ T4668] nbd_start_device+0x158/0xb34 [ 141.388147][ T4668] nbd_ioctl+0x420/0xc2c [ 141.389283][ T4668] blkdev_ioctl+0x3d8/0xbd0 [ 141.390503][ T4668] block_ioctl+0xa8/0x114 [ 141.391660][ T4668] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.393071][ T4668] invoke_syscall+0x98/0x2b8 [ 141.394376][ T4668] el0_svc_common+0x138/0x258 [ 141.395679][ T4668] do_el0_svc+0x58/0x14c [ 141.396830][ T4668] el0_svc+0x7c/0x1f0 [ 141.397883][ T4668] el0t_64_sync_handler+0x84/0xe4 [ 141.399196][ T4668] el0t_64_sync+0x1a0/0x1a4 [ 141.400484][ T4668] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 141.404728][ T4668] block nbd0: shutting down sockets executing program [ 141.545810][ T4672] FAULT_INJECTION: forcing a failure. [ 141.545810][ T4672] name failslab, interval 1, probability 0, space 0, times 0 [ 141.549110][ T4672] CPU: 0 PID: 4672 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.551770][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.554512][ T4672] Call trace: [ 141.555501][ T4672] dump_backtrace+0x0/0x530 [ 141.556741][ T4672] show_stack+0x2c/0x3c [ 141.557850][ T4672] dump_stack_lvl+0x108/0x170 [ 141.559119][ T4672] dump_stack+0x1c/0x58 [ 141.560246][ T4672] should_fail+0x400/0x5cc [ 141.561435][ T4672] __should_failslab+0xbc/0x110 [ 141.562739][ T4672] should_failslab+0x10/0x28 [ 141.563951][ T4672] slab_pre_alloc_hook+0x64/0xe8 [ 141.565315][ T4672] __kmalloc_node+0xbc/0x5b8 [ 141.566569][ T4672] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 141.568134][ T4672] nbd_start_device+0x158/0xb34 [ 141.569476][ T4672] nbd_ioctl+0x420/0xc2c [ 141.570611][ T4672] blkdev_ioctl+0x3d8/0xbd0 [ 141.571803][ T4672] block_ioctl+0xa8/0x114 [ 141.572946][ T4672] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.574246][ T4672] invoke_syscall+0x98/0x2b8 [ 141.575455][ T4672] el0_svc_common+0x138/0x258 [ 141.576696][ T4672] do_el0_svc+0x58/0x14c [ 141.577845][ T4672] el0_svc+0x7c/0x1f0 [ 141.578929][ T4672] el0t_64_sync_handler+0x84/0xe4 [ 141.580259][ T4672] el0t_64_sync+0x1a0/0x1a4 [ 141.585013][ T4673] block nbd0: shutting down sockets executing program [ 141.715956][ T4675] FAULT_INJECTION: forcing a failure. [ 141.715956][ T4675] name failslab, interval 1, probability 0, space 0, times 0 [ 141.719315][ T4675] CPU: 0 PID: 4675 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.721963][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.724619][ T4675] Call trace: [ 141.725516][ T4675] dump_backtrace+0x0/0x530 [ 141.726750][ T4675] show_stack+0x2c/0x3c [ 141.727882][ T4675] dump_stack_lvl+0x108/0x170 [ 141.729128][ T4675] dump_stack+0x1c/0x58 [ 141.730258][ T4675] should_fail+0x400/0x5cc [ 141.731431][ T4675] __should_failslab+0xbc/0x110 [ 141.732715][ T4675] should_failslab+0x10/0x28 [ 141.733925][ T4675] slab_pre_alloc_hook+0x64/0xe8 [ 141.735228][ T4675] __kmalloc_node+0xbc/0x5b8 [ 141.736445][ T4675] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 141.737869][ T4675] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 141.739423][ T4675] nbd_start_device+0x158/0xb34 [ 141.740753][ T4675] nbd_ioctl+0x420/0xc2c [ 141.741898][ T4675] blkdev_ioctl+0x3d8/0xbd0 [ 141.743103][ T4675] block_ioctl+0xa8/0x114 [ 141.744296][ T4675] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.745605][ T4675] invoke_syscall+0x98/0x2b8 [ 141.746859][ T4675] el0_svc_common+0x138/0x258 [ 141.748121][ T4675] do_el0_svc+0x58/0x14c [ 141.749248][ T4675] el0_svc+0x7c/0x1f0 [ 141.750334][ T4675] el0t_64_sync_handler+0x84/0xe4 [ 141.751734][ T4675] el0t_64_sync+0x1a0/0x1a4 [ 141.753114][ T4675] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 141.757529][ T4676] block nbd0: shutting down sockets executing program [ 141.925817][ T4679] FAULT_INJECTION: forcing a failure. [ 141.925817][ T4679] name failslab, interval 1, probability 0, space 0, times 0 [ 141.929052][ T4679] CPU: 1 PID: 4679 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 141.931510][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 141.934124][ T4679] Call trace: [ 141.934962][ T4679] dump_backtrace+0x0/0x530 [ 141.936131][ T4679] show_stack+0x2c/0x3c [ 141.937198][ T4679] dump_stack_lvl+0x108/0x170 [ 141.938291][ T4679] dump_stack+0x1c/0x58 [ 141.939203][ T4679] should_fail+0x400/0x5cc [ 141.940262][ T4679] __should_failslab+0xbc/0x110 [ 141.941504][ T4679] should_failslab+0x10/0x28 [ 141.942794][ T4679] slab_pre_alloc_hook+0x64/0xe8 [ 141.944117][ T4679] __kmalloc_node+0xbc/0x5b8 [ 141.945369][ T4679] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 141.946865][ T4679] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 141.948371][ T4679] nbd_start_device+0x158/0xb34 [ 141.949600][ T4679] nbd_ioctl+0x420/0xc2c [ 141.950761][ T4679] blkdev_ioctl+0x3d8/0xbd0 [ 141.951967][ T4679] block_ioctl+0xa8/0x114 [ 141.953105][ T4679] __arm64_sys_ioctl+0x14c/0x1c8 [ 141.954402][ T4679] invoke_syscall+0x98/0x2b8 [ 141.955619][ T4679] el0_svc_common+0x138/0x258 [ 141.956887][ T4679] do_el0_svc+0x58/0x14c [ 141.958143][ T4679] el0_svc+0x7c/0x1f0 [ 141.959227][ T4679] el0t_64_sync_handler+0x84/0xe4 [ 141.960551][ T4679] el0t_64_sync+0x1a0/0x1a4 [ 141.961964][ T4679] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 141.966320][ T4680] block nbd0: shutting down sockets executing program [ 142.115694][ T4683] FAULT_INJECTION: forcing a failure. [ 142.115694][ T4683] name failslab, interval 1, probability 0, space 0, times 0 [ 142.118945][ T4683] CPU: 0 PID: 4683 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 142.121605][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 142.124293][ T4683] Call trace: [ 142.125182][ T4683] dump_backtrace+0x0/0x530 [ 142.126400][ T4683] show_stack+0x2c/0x3c [ 142.127590][ T4683] dump_stack_lvl+0x108/0x170 [ 142.128864][ T4683] dump_stack+0x1c/0x58 [ 142.129968][ T4683] should_fail+0x400/0x5cc [ 142.131177][ T4683] __should_failslab+0xbc/0x110 [ 142.132471][ T4683] should_failslab+0x10/0x28 [ 142.133816][ T4683] slab_pre_alloc_hook+0x64/0xe8 [ 142.135135][ T4683] __kmalloc_node+0xbc/0x5b8 [ 142.136370][ T4683] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 142.137787][ T4683] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 142.139331][ T4683] nbd_start_device+0x158/0xb34 [ 142.140634][ T4683] nbd_ioctl+0x420/0xc2c [ 142.141809][ T4683] blkdev_ioctl+0x3d8/0xbd0 [ 142.143071][ T4683] block_ioctl+0xa8/0x114 [ 142.144254][ T4683] __arm64_sys_ioctl+0x14c/0x1c8 [ 142.145556][ T4683] invoke_syscall+0x98/0x2b8 [ 142.146823][ T4683] el0_svc_common+0x138/0x258 [ 142.148078][ T4683] do_el0_svc+0x58/0x14c [ 142.149228][ T4683] el0_svc+0x7c/0x1f0 [ 142.150296][ T4683] el0t_64_sync_handler+0x84/0xe4 [ 142.151654][ T4683] el0t_64_sync+0x1a0/0x1a4 [ 142.153047][ T4683] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 142.157929][ T4684] block nbd0: shutting down sockets executing program [ 142.296207][ T4688] FAULT_INJECTION: forcing a failure. [ 142.296207][ T4688] name failslab, interval 1, probability 0, space 0, times 0 [ 142.299643][ T4688] CPU: 0 PID: 4688 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 142.302249][ T4688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 142.304974][ T4688] Call trace: [ 142.305868][ T4688] dump_backtrace+0x0/0x530 [ 142.307109][ T4688] show_stack+0x2c/0x3c [ 142.308244][ T4688] dump_stack_lvl+0x108/0x170 [ 142.309503][ T4688] dump_stack+0x1c/0x58 [ 142.310654][ T4688] should_fail+0x400/0x5cc [ 142.311879][ T4688] __should_failslab+0xbc/0x110 [ 142.313211][ T4688] should_failslab+0x10/0x28 [ 142.314571][ T4688] slab_pre_alloc_hook+0x64/0xe8 [ 142.315944][ T4688] __kmalloc_node+0xbc/0x5b8 [ 142.317161][ T4688] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 142.318606][ T4688] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 142.320188][ T4688] nbd_start_device+0x158/0xb34 [ 142.321517][ T4688] nbd_ioctl+0x420/0xc2c [ 142.322658][ T4688] blkdev_ioctl+0x3d8/0xbd0 [ 142.323932][ T4688] block_ioctl+0xa8/0x114 [ 142.325146][ T4688] __arm64_sys_ioctl+0x14c/0x1c8 [ 142.326504][ T4688] invoke_syscall+0x98/0x2b8 [ 142.327779][ T4688] el0_svc_common+0x138/0x258 [ 142.329062][ T4688] do_el0_svc+0x58/0x14c [ 142.330203][ T4688] el0_svc+0x7c/0x1f0 [ 142.331298][ T4688] el0t_64_sync_handler+0x84/0xe4 [ 142.332671][ T4688] el0t_64_sync+0x1a0/0x1a4 [ 142.334060][ T4688] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 142.338404][ T4687] block nbd0: shutting down sockets executing program [ 142.495896][ T4690] FAULT_INJECTION: forcing a failure. [ 142.495896][ T4690] name failslab, interval 1, probability 0, space 0, times 0 [ 142.499345][ T4690] CPU: 1 PID: 4690 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 142.502082][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 142.504829][ T4690] Call trace: [ 142.505680][ T4690] dump_backtrace+0x0/0x530 [ 142.506920][ T4690] show_stack+0x2c/0x3c [ 142.508062][ T4690] dump_stack_lvl+0x108/0x170 [ 142.509340][ T4690] dump_stack+0x1c/0x58 [ 142.510502][ T4690] should_fail+0x400/0x5cc [ 142.511720][ T4690] __should_failslab+0xbc/0x110 [ 142.513031][ T4690] should_failslab+0x10/0x28 [ 142.514240][ T4690] slab_pre_alloc_hook+0x64/0xe8 [ 142.515561][ T4690] __kmalloc_node+0xbc/0x5b8 [ 142.516821][ T4690] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 142.518233][ T4690] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 142.519840][ T4690] nbd_start_device+0x158/0xb34 [ 142.521155][ T4690] nbd_ioctl+0x420/0xc2c [ 142.522316][ T4690] blkdev_ioctl+0x3d8/0xbd0 [ 142.523550][ T4690] block_ioctl+0xa8/0x114 [ 142.524728][ T4690] __arm64_sys_ioctl+0x14c/0x1c8 [ 142.526065][ T4690] invoke_syscall+0x98/0x2b8 [ 142.527349][ T4690] el0_svc_common+0x138/0x258 [ 142.528652][ T4690] do_el0_svc+0x58/0x14c [ 142.529831][ T4690] el0_svc+0x7c/0x1f0 [ 142.530881][ T4690] el0t_64_sync_handler+0x84/0xe4 [ 142.532183][ T4690] el0t_64_sync+0x1a0/0x1a4 [ 142.533620][ T4690] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 142.538129][ T4691] block nbd0: shutting down sockets executing program [ 142.695722][ T4694] FAULT_INJECTION: forcing a failure. [ 142.695722][ T4694] name failslab, interval 1, probability 0, space 0, times 0 [ 142.699135][ T4694] CPU: 0 PID: 4694 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 142.701680][ T4694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 142.704358][ T4694] Call trace: [ 142.705235][ T4694] dump_backtrace+0x0/0x530 [ 142.706439][ T4694] show_stack+0x2c/0x3c [ 142.707549][ T4694] dump_stack_lvl+0x108/0x170 [ 142.708813][ T4694] dump_stack+0x1c/0x58 [ 142.709909][ T4694] should_fail+0x400/0x5cc [ 142.711154][ T4694] __should_failslab+0xbc/0x110 [ 142.712480][ T4694] should_failslab+0x10/0x28 [ 142.713734][ T4694] slab_pre_alloc_hook+0x64/0xe8 [ 142.715102][ T4694] __kmalloc_node+0xbc/0x5b8 [ 142.716359][ T4694] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 142.717938][ T4694] nbd_start_device+0x158/0xb34 [ 142.719267][ T4694] nbd_ioctl+0x420/0xc2c [ 142.720433][ T4694] blkdev_ioctl+0x3d8/0xbd0 [ 142.721671][ T4694] block_ioctl+0xa8/0x114 [ 142.722870][ T4694] __arm64_sys_ioctl+0x14c/0x1c8 [ 142.724225][ T4694] invoke_syscall+0x98/0x2b8 [ 142.725525][ T4694] el0_svc_common+0x138/0x258 [ 142.726863][ T4694] do_el0_svc+0x58/0x14c [ 142.728077][ T4694] el0_svc+0x7c/0x1f0 [ 142.729152][ T4694] el0t_64_sync_handler+0x84/0xe4 [ 142.730524][ T4694] el0t_64_sync+0x1a0/0x1a4 [ 142.738589][ T4693] block nbd0: shutting down sockets executing program [ 142.875762][ T4697] FAULT_INJECTION: forcing a failure. [ 142.875762][ T4697] name failslab, interval 1, probability 0, space 0, times 0 [ 142.878978][ T4697] CPU: 1 PID: 4697 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 142.881593][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 142.884240][ T4697] Call trace: [ 142.885094][ T4697] dump_backtrace+0x0/0x530 [ 142.886264][ T4697] show_stack+0x2c/0x3c [ 142.887366][ T4697] dump_stack_lvl+0x108/0x170 [ 142.888589][ T4697] dump_stack+0x1c/0x58 [ 142.889685][ T4697] should_fail+0x400/0x5cc [ 142.890887][ T4697] __should_failslab+0xbc/0x110 [ 142.892168][ T4697] should_failslab+0x10/0x28 [ 142.893388][ T4697] slab_pre_alloc_hook+0x64/0xe8 [ 142.894511][ T4697] __kmalloc_node+0xbc/0x5b8 [ 142.895738][ T4697] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 142.897166][ T4697] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 142.898724][ T4697] nbd_start_device+0x158/0xb34 [ 142.899807][ T4697] nbd_ioctl+0x420/0xc2c [ 142.900643][ T4697] blkdev_ioctl+0x3d8/0xbd0 [ 142.901873][ T4697] block_ioctl+0xa8/0x114 [ 142.903060][ T4697] __arm64_sys_ioctl+0x14c/0x1c8 [ 142.904371][ T4697] invoke_syscall+0x98/0x2b8 [ 142.905611][ T4697] el0_svc_common+0x138/0x258 [ 142.906912][ T4697] do_el0_svc+0x58/0x14c [ 142.908083][ T4697] el0_svc+0x7c/0x1f0 [ 142.909156][ T4697] el0t_64_sync_handler+0x84/0xe4 [ 142.910528][ T4697] el0t_64_sync+0x1a0/0x1a4 [ 142.912050][ T4697] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 142.916440][ T4698] block nbd0: shutting down sockets executing program [ 143.051900][ T4701] block nbd0: Device being setup by another task [ 143.053859][ T4700] FAULT_INJECTION: forcing a failure. [ 143.053859][ T4700] name failslab, interval 1, probability 0, space 0, times 0 [ 143.057308][ T4700] CPU: 1 PID: 4700 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 143.059940][ T4700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 143.062565][ T4700] Call trace: [ 143.063427][ T4700] dump_backtrace+0x0/0x530 [ 143.064615][ T4700] show_stack+0x2c/0x3c [ 143.065749][ T4700] dump_stack_lvl+0x108/0x170 [ 143.067000][ T4700] dump_stack+0x1c/0x58 [ 143.068144][ T4700] should_fail+0x400/0x5cc [ 143.069402][ T4700] __should_failslab+0xbc/0x110 [ 143.070669][ T4700] should_failslab+0x10/0x28 [ 143.071936][ T4700] slab_pre_alloc_hook+0x64/0xe8 [ 143.073256][ T4700] kmem_cache_alloc+0x98/0x45c [ 143.074473][ T4700] new_inode_pseudo+0x110/0x200 [ 143.075772][ T4700] new_inode+0x38/0x174 [ 143.076907][ T4700] debugfs_create_dir+0xf0/0x420 [ 143.078200][ T4700] nbd_start_device+0x3bc/0xb34 [ 143.079500][ T4700] nbd_ioctl+0x420/0xc2c [ 143.080680][ T4700] blkdev_ioctl+0x3d8/0xbd0 [ 143.081926][ T4700] block_ioctl+0xa8/0x114 [ 143.083132][ T4700] __arm64_sys_ioctl+0x14c/0x1c8 [ 143.084463][ T4700] invoke_syscall+0x98/0x2b8 [ 143.085716][ T4700] el0_svc_common+0x138/0x258 [ 143.086980][ T4700] do_el0_svc+0x58/0x14c [ 143.088174][ T4700] el0_svc+0x7c/0x1f0 [ 143.089290][ T4700] el0t_64_sync_handler+0x84/0xe4 [ 143.090652][ T4700] el0t_64_sync+0x1a0/0x1a4 [ 143.093017][ T4700] debugfs: out of free dentries, can not create directory 'nbd0' [ 143.095051][ T4700] block nbd0: Failed to create debugfs dir for 'nbd0' [ 143.097086][ T4701] block nbd0: shutting down sockets executing program [ 143.265746][ T4703] FAULT_INJECTION: forcing a failure. [ 143.265746][ T4703] name failslab, interval 1, probability 0, space 0, times 0 [ 143.269124][ T4703] CPU: 0 PID: 4703 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 143.271806][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 143.274456][ T4703] Call trace: [ 143.275342][ T4703] dump_backtrace+0x0/0x530 [ 143.276537][ T4703] show_stack+0x2c/0x3c [ 143.277622][ T4703] dump_stack_lvl+0x108/0x170 [ 143.278891][ T4703] dump_stack+0x1c/0x58 [ 143.279975][ T4703] should_fail+0x400/0x5cc [ 143.281115][ T4703] __should_failslab+0xbc/0x110 [ 143.282445][ T4703] should_failslab+0x10/0x28 [ 143.283718][ T4703] slab_pre_alloc_hook+0x64/0xe8 [ 143.285020][ T4703] __kmalloc_node+0xbc/0x5b8 [ 143.286242][ T4703] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 143.287669][ T4703] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 143.289157][ T4703] nbd_start_device+0x158/0xb34 [ 143.290455][ T4703] nbd_ioctl+0x420/0xc2c [ 143.291557][ T4703] blkdev_ioctl+0x3d8/0xbd0 [ 143.292728][ T4703] block_ioctl+0xa8/0x114 [ 143.293853][ T4703] __arm64_sys_ioctl+0x14c/0x1c8 [ 143.295134][ T4703] invoke_syscall+0x98/0x2b8 [ 143.296302][ T4703] el0_svc_common+0x138/0x258 [ 143.297544][ T4703] do_el0_svc+0x58/0x14c [ 143.298712][ T4703] el0_svc+0x7c/0x1f0 [ 143.299737][ T4703] el0t_64_sync_handler+0x84/0xe4 [ 143.301006][ T4703] el0t_64_sync+0x1a0/0x1a4 [ 143.302934][ T4703] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 143.308060][ T4704] block nbd0: shutting down sockets executing program [ 143.435677][ T4707] FAULT_INJECTION: forcing a failure. [ 143.435677][ T4707] name failslab, interval 1, probability 0, space 0, times 0 [ 143.438941][ T4707] CPU: 0 PID: 4707 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 143.441555][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 143.444293][ T4707] Call trace: [ 143.445162][ T4707] dump_backtrace+0x0/0x530 [ 143.446363][ T4707] show_stack+0x2c/0x3c [ 143.447491][ T4707] dump_stack_lvl+0x108/0x170 [ 143.448724][ T4707] dump_stack+0x1c/0x58 [ 143.449811][ T4707] should_fail+0x400/0x5cc [ 143.450967][ T4707] __should_failslab+0xbc/0x110 [ 143.452225][ T4707] should_failslab+0x10/0x28 [ 143.453429][ T4707] slab_pre_alloc_hook+0x64/0xe8 [ 143.454725][ T4707] __kmalloc_node+0xbc/0x5b8 [ 143.455939][ T4707] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 143.457461][ T4707] nbd_start_device+0x158/0xb34 [ 143.458726][ T4707] nbd_ioctl+0x420/0xc2c [ 143.459800][ T4707] blkdev_ioctl+0x3d8/0xbd0 [ 143.460981][ T4707] block_ioctl+0xa8/0x114 [ 143.462110][ T4707] __arm64_sys_ioctl+0x14c/0x1c8 [ 143.463422][ T4707] invoke_syscall+0x98/0x2b8 [ 143.464670][ T4707] el0_svc_common+0x138/0x258 [ 143.465931][ T4707] do_el0_svc+0x58/0x14c [ 143.467015][ T4707] el0_svc+0x7c/0x1f0 [ 143.468071][ T4707] el0t_64_sync_handler+0x84/0xe4 [ 143.469374][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 143.474173][ T4708] block nbd0: shutting down sockets executing program [ 143.635723][ T4711] FAULT_INJECTION: forcing a failure. [ 143.635723][ T4711] name failslab, interval 1, probability 0, space 0, times 0 [ 143.639097][ T4711] CPU: 0 PID: 4711 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 143.641597][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 143.644213][ T4711] Call trace: [ 143.645126][ T4711] dump_backtrace+0x0/0x530 [ 143.646311][ T4711] show_stack+0x2c/0x3c [ 143.647384][ T4711] dump_stack_lvl+0x108/0x170 [ 143.648591][ T4711] dump_stack+0x1c/0x58 [ 143.649665][ T4711] should_fail+0x400/0x5cc [ 143.650889][ T4711] __should_failslab+0xbc/0x110 [ 143.652222][ T4711] should_failslab+0x10/0x28 [ 143.653463][ T4711] slab_pre_alloc_hook+0x64/0xe8 [ 143.654783][ T4711] __kmalloc_node+0xbc/0x5b8 [ 143.655979][ T4711] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 143.657375][ T4711] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 143.658862][ T4711] nbd_start_device+0x158/0xb34 [ 143.660161][ T4711] nbd_ioctl+0x420/0xc2c [ 143.661383][ T4711] blkdev_ioctl+0x3d8/0xbd0 [ 143.662542][ T4711] block_ioctl+0xa8/0x114 [ 143.663655][ T4711] __arm64_sys_ioctl+0x14c/0x1c8 [ 143.664921][ T4711] invoke_syscall+0x98/0x2b8 [ 143.666221][ T4711] el0_svc_common+0x138/0x258 [ 143.667448][ T4711] do_el0_svc+0x58/0x14c [ 143.668533][ T4711] el0_svc+0x7c/0x1f0 [ 143.669583][ T4711] el0t_64_sync_handler+0x84/0xe4 [ 143.670909][ T4711] el0t_64_sync+0x1a0/0x1a4 [ 143.672298][ T4711] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 143.676583][ T4710] block nbd0: shutting down sockets executing program [ 143.835708][ T4714] FAULT_INJECTION: forcing a failure. [ 143.835708][ T4714] name failslab, interval 1, probability 0, space 0, times 0 [ 143.838994][ T4714] CPU: 1 PID: 4714 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 143.841575][ T4714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 143.844152][ T4714] Call trace: [ 143.845005][ T4714] dump_backtrace+0x0/0x530 [ 143.846121][ T4714] show_stack+0x2c/0x3c [ 143.847189][ T4714] dump_stack_lvl+0x108/0x170 [ 143.848435][ T4714] dump_stack+0x1c/0x58 [ 143.849586][ T4714] should_fail+0x400/0x5cc [ 143.850820][ T4714] __should_failslab+0xbc/0x110 [ 143.852127][ T4714] should_failslab+0x10/0x28 [ 143.853351][ T4714] slab_pre_alloc_hook+0x64/0xe8 [ 143.854662][ T4714] __kmalloc_node+0xbc/0x5b8 [ 143.855919][ T4714] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 143.857406][ T4714] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 143.858887][ T4714] nbd_start_device+0x158/0xb34 [ 143.860170][ T4714] nbd_ioctl+0x420/0xc2c [ 143.861247][ T4714] blkdev_ioctl+0x3d8/0xbd0 [ 143.862446][ T4714] block_ioctl+0xa8/0x114 [ 143.863667][ T4714] __arm64_sys_ioctl+0x14c/0x1c8 [ 143.865019][ T4714] invoke_syscall+0x98/0x2b8 [ 143.866295][ T4714] el0_svc_common+0x138/0x258 [ 143.867613][ T4714] do_el0_svc+0x58/0x14c [ 143.868779][ T4714] el0_svc+0x7c/0x1f0 [ 143.869828][ T4714] el0t_64_sync_handler+0x84/0xe4 [ 143.871234][ T4714] el0t_64_sync+0x1a0/0x1a4 [ 143.872656][ T4714] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 143.876943][ T4715] block nbd0: shutting down sockets executing program [ 144.005882][ T4717] FAULT_INJECTION: forcing a failure. [ 144.005882][ T4717] name failslab, interval 1, probability 0, space 0, times 0 [ 144.009095][ T4717] CPU: 1 PID: 4717 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 144.011557][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 144.014148][ T4717] Call trace: [ 144.015019][ T4717] dump_backtrace+0x0/0x530 [ 144.016228][ T4717] show_stack+0x2c/0x3c [ 144.017337][ T4717] dump_stack_lvl+0x108/0x170 [ 144.018573][ T4717] dump_stack+0x1c/0x58 [ 144.019675][ T4717] should_fail+0x400/0x5cc [ 144.020821][ T4717] __should_failslab+0xbc/0x110 [ 144.022082][ T4717] should_failslab+0x10/0x28 [ 144.023227][ T4717] slab_pre_alloc_hook+0x64/0xe8 [ 144.024484][ T4717] __kmalloc_node+0xbc/0x5b8 [ 144.025653][ T4717] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 144.027055][ T4717] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 144.028537][ T4717] nbd_start_device+0x158/0xb34 [ 144.029769][ T4717] nbd_ioctl+0x420/0xc2c [ 144.030833][ T4717] blkdev_ioctl+0x3d8/0xbd0 [ 144.032000][ T4717] block_ioctl+0xa8/0x114 [ 144.033106][ T4717] __arm64_sys_ioctl+0x14c/0x1c8 [ 144.034436][ T4717] invoke_syscall+0x98/0x2b8 [ 144.035635][ T4717] el0_svc_common+0x138/0x258 [ 144.036841][ T4717] do_el0_svc+0x58/0x14c [ 144.037948][ T4717] el0_svc+0x7c/0x1f0 [ 144.038987][ T4717] el0t_64_sync_handler+0x84/0xe4 [ 144.040296][ T4717] el0t_64_sync+0x1a0/0x1a4 [ 144.041664][ T4717] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 144.046155][ T4718] block nbd0: shutting down sockets executing program [ 144.151987][ T4721] block nbd0: Device being setup by another task [ 144.154515][ T4720] FAULT_INJECTION: forcing a failure. [ 144.154515][ T4720] name failslab, interval 1, probability 0, space 0, times 0 [ 144.158028][ T4720] CPU: 0 PID: 4720 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 144.160563][ T4720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 144.163201][ T4720] Call trace: [ 144.164155][ T4720] dump_backtrace+0x0/0x530 [ 144.165348][ T4720] show_stack+0x2c/0x3c [ 144.166512][ T4720] dump_stack_lvl+0x108/0x170 [ 144.167737][ T4720] dump_stack+0x1c/0x58 [ 144.168834][ T4720] should_fail+0x400/0x5cc [ 144.169971][ T4720] __should_failslab+0xbc/0x110 [ 144.171252][ T4720] should_failslab+0x10/0x28 [ 144.172454][ T4720] slab_pre_alloc_hook+0x64/0xe8 [ 144.173755][ T4720] kmem_cache_alloc+0x98/0x45c [ 144.175001][ T4720] __d_alloc+0x3c/0x6a8 [ 144.176087][ T4720] d_alloc_parallel+0xb8/0x11bc [ 144.177309][ T4720] __lookup_slow+0x108/0x388 [ 144.178500][ T4720] lookup_one_len+0x178/0x28c [ 144.179710][ T4720] start_creating+0x19c/0x2e0 [ 144.180986][ T4720] debugfs_create_dir+0x34/0x420 [ 144.182286][ T4720] nbd_start_device+0x3bc/0xb34 [ 144.183574][ T4720] nbd_ioctl+0x420/0xc2c [ 144.184669][ T4720] blkdev_ioctl+0x3d8/0xbd0 [ 144.185878][ T4720] block_ioctl+0xa8/0x114 [ 144.186983][ T4720] __arm64_sys_ioctl+0x14c/0x1c8 [ 144.188325][ T4720] invoke_syscall+0x98/0x2b8 [ 144.189551][ T4720] el0_svc_common+0x138/0x258 [ 144.190784][ T4720] do_el0_svc+0x58/0x14c [ 144.191872][ T4720] el0_svc+0x7c/0x1f0 [ 144.192936][ T4720] el0t_64_sync_handler+0x84/0xe4 [ 144.194262][ T4720] el0t_64_sync+0x1a0/0x1a4 [ 144.195551][ T4720] block nbd0: Failed to create debugfs dir for 'nbd0' [ 144.205023][ T4721] block nbd0: shutting down sockets executing program [ 144.355691][ T4723] FAULT_INJECTION: forcing a failure. [ 144.355691][ T4723] name failslab, interval 1, probability 0, space 0, times 0 [ 144.358994][ T4723] CPU: 1 PID: 4723 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 144.361359][ T4723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 144.363940][ T4723] Call trace: [ 144.364784][ T4723] dump_backtrace+0x0/0x530 [ 144.365964][ T4723] show_stack+0x2c/0x3c [ 144.367063][ T4723] dump_stack_lvl+0x108/0x170 [ 144.368260][ T4723] dump_stack+0x1c/0x58 [ 144.369323][ T4723] should_fail+0x400/0x5cc [ 144.370430][ T4723] __should_failslab+0xbc/0x110 [ 144.371676][ T4723] should_failslab+0x10/0x28 [ 144.372915][ T4723] slab_pre_alloc_hook+0x64/0xe8 [ 144.374221][ T4723] __kmalloc_node+0xbc/0x5b8 [ 144.375399][ T4723] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 144.376894][ T4723] nbd_start_device+0x158/0xb34 [ 144.378196][ T4723] nbd_ioctl+0x420/0xc2c [ 144.379294][ T4723] blkdev_ioctl+0x3d8/0xbd0 [ 144.380457][ T4723] block_ioctl+0xa8/0x114 [ 144.381569][ T4723] __arm64_sys_ioctl+0x14c/0x1c8 [ 144.382873][ T4723] invoke_syscall+0x98/0x2b8 [ 144.384068][ T4723] el0_svc_common+0x138/0x258 [ 144.385284][ T4723] do_el0_svc+0x58/0x14c [ 144.386362][ T4723] el0_svc+0x7c/0x1f0 [ 144.387387][ T4723] el0t_64_sync_handler+0x84/0xe4 [ 144.388695][ T4723] el0t_64_sync+0x1a0/0x1a4 [ 144.393165][ T4724] block nbd0: shutting down sockets executing program [ 144.535695][ T4727] FAULT_INJECTION: forcing a failure. [ 144.535695][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 144.539092][ T4727] CPU: 0 PID: 4727 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 144.541747][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 144.544395][ T4727] Call trace: [ 144.545244][ T4727] dump_backtrace+0x0/0x530 [ 144.546459][ T4727] show_stack+0x2c/0x3c [ 144.547525][ T4727] dump_stack_lvl+0x108/0x170 [ 144.548757][ T4727] dump_stack+0x1c/0x58 [ 144.549880][ T4727] should_fail+0x400/0x5cc [ 144.551123][ T4727] __should_failslab+0xbc/0x110 [ 144.552456][ T4727] should_failslab+0x10/0x28 [ 144.553684][ T4727] slab_pre_alloc_hook+0x64/0xe8 [ 144.555064][ T4727] __kmalloc_node+0xbc/0x5b8 [ 144.556365][ T4727] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 144.557859][ T4727] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 144.559425][ T4727] nbd_start_device+0x158/0xb34 [ 144.560751][ T4727] nbd_ioctl+0x420/0xc2c [ 144.561853][ T4727] blkdev_ioctl+0x3d8/0xbd0 [ 144.563044][ T4727] block_ioctl+0xa8/0x114 [ 144.564191][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 144.565458][ T4727] invoke_syscall+0x98/0x2b8 [ 144.566650][ T4727] el0_svc_common+0x138/0x258 [ 144.567871][ T4727] do_el0_svc+0x58/0x14c [ 144.568998][ T4727] el0_svc+0x7c/0x1f0 [ 144.570045][ T4727] el0t_64_sync_handler+0x84/0xe4 [ 144.571348][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 144.572770][ T4727] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 144.577202][ T4728] block nbd0: shutting down sockets executing program [ 144.736002][ T4730] FAULT_INJECTION: forcing a failure. [ 144.736002][ T4730] name failslab, interval 1, probability 0, space 0, times 0 [ 144.739315][ T4730] CPU: 0 PID: 4730 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 144.741895][ T4730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 144.744526][ T4730] Call trace: [ 144.745396][ T4730] dump_backtrace+0x0/0x530 [ 144.746582][ T4730] show_stack+0x2c/0x3c [ 144.747747][ T4730] dump_stack_lvl+0x108/0x170 [ 144.749049][ T4730] dump_stack+0x1c/0x58 [ 144.750149][ T4730] should_fail+0x400/0x5cc [ 144.751298][ T4730] __should_failslab+0xbc/0x110 [ 144.752581][ T4730] should_failslab+0x10/0x28 [ 144.753797][ T4730] slab_pre_alloc_hook+0x64/0xe8 [ 144.755134][ T4730] __kmalloc_node+0xbc/0x5b8 [ 144.756386][ T4730] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 144.757824][ T4730] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 144.759317][ T4730] nbd_start_device+0x158/0xb34 [ 144.760565][ T4730] nbd_ioctl+0x420/0xc2c [ 144.761626][ T4730] blkdev_ioctl+0x3d8/0xbd0 [ 144.762794][ T4730] block_ioctl+0xa8/0x114 [ 144.763924][ T4730] __arm64_sys_ioctl+0x14c/0x1c8 [ 144.765231][ T4730] invoke_syscall+0x98/0x2b8 [ 144.766436][ T4730] el0_svc_common+0x138/0x258 [ 144.767655][ T4730] do_el0_svc+0x58/0x14c [ 144.768819][ T4730] el0_svc+0x7c/0x1f0 [ 144.769603][ T4730] el0t_64_sync_handler+0x84/0xe4 [ 144.770579][ T4730] el0t_64_sync+0x1a0/0x1a4 [ 144.771647][ T4730] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 144.777127][ T4731] block nbd0: shutting down sockets executing program [ 144.881937][ T4735] block nbd0: Device being setup by another task [ 144.884616][ T4734] FAULT_INJECTION: forcing a failure. [ 144.884616][ T4734] name failslab, interval 1, probability 0, space 0, times 0 [ 144.887970][ T4734] CPU: 1 PID: 4734 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 144.890496][ T4734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 144.893040][ T4734] Call trace: [ 144.893833][ T4734] dump_backtrace+0x0/0x530 [ 144.895026][ T4734] show_stack+0x2c/0x3c [ 144.896099][ T4734] dump_stack_lvl+0x108/0x170 [ 144.897285][ T4734] dump_stack+0x1c/0x58 [ 144.898373][ T4734] should_fail+0x400/0x5cc [ 144.899502][ T4734] __should_failslab+0xbc/0x110 [ 144.900784][ T4734] should_failslab+0x10/0x28 [ 144.901975][ T4734] slab_pre_alloc_hook+0x64/0xe8 [ 144.903258][ T4734] kmem_cache_alloc+0x98/0x45c [ 144.904465][ T4734] new_inode_pseudo+0x110/0x200 [ 144.905678][ T4734] new_inode+0x38/0x174 [ 144.906793][ T4734] debugfs_create_dir+0xf0/0x420 [ 144.908045][ T4734] nbd_start_device+0x3bc/0xb34 [ 144.909293][ T4734] nbd_ioctl+0x420/0xc2c [ 144.910387][ T4734] blkdev_ioctl+0x3d8/0xbd0 [ 144.911551][ T4734] block_ioctl+0xa8/0x114 [ 144.912662][ T4734] __arm64_sys_ioctl+0x14c/0x1c8 [ 144.913960][ T4734] invoke_syscall+0x98/0x2b8 [ 144.915144][ T4734] el0_svc_common+0x138/0x258 [ 144.916396][ T4734] do_el0_svc+0x58/0x14c [ 144.917443][ T4734] el0_svc+0x7c/0x1f0 [ 144.918462][ T4734] el0t_64_sync_handler+0x84/0xe4 [ 144.919788][ T4734] el0t_64_sync+0x1a0/0x1a4 [ 144.921042][ T4734] debugfs: out of free dentries, can not create directory 'nbd0' [ 144.923081][ T4734] block nbd0: Failed to create debugfs dir for 'nbd0' [ 144.934996][ T4735] block nbd0: shutting down sockets executing program [ 145.075842][ T4737] FAULT_INJECTION: forcing a failure. [ 145.075842][ T4737] name failslab, interval 1, probability 0, space 0, times 0 [ 145.079029][ T4737] CPU: 1 PID: 4737 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 145.081539][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 145.084203][ T4737] Call trace: [ 145.085054][ T4737] dump_backtrace+0x0/0x530 [ 145.086227][ T4737] show_stack+0x2c/0x3c [ 145.087286][ T4737] dump_stack_lvl+0x108/0x170 [ 145.088513][ T4737] dump_stack+0x1c/0x58 [ 145.089567][ T4737] should_fail+0x400/0x5cc [ 145.090743][ T4737] __should_failslab+0xbc/0x110 [ 145.092029][ T4737] should_failslab+0x10/0x28 [ 145.093227][ T4737] slab_pre_alloc_hook+0x64/0xe8 [ 145.094541][ T4737] __kmalloc_node+0xbc/0x5b8 [ 145.095778][ T4737] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 145.097253][ T4737] nbd_start_device+0x158/0xb34 [ 145.098530][ T4737] nbd_ioctl+0x420/0xc2c [ 145.099636][ T4737] blkdev_ioctl+0x3d8/0xbd0 [ 145.100831][ T4737] block_ioctl+0xa8/0x114 [ 145.101977][ T4737] __arm64_sys_ioctl+0x14c/0x1c8 [ 145.103253][ T4737] invoke_syscall+0x98/0x2b8 [ 145.104449][ T4737] el0_svc_common+0x138/0x258 [ 145.105663][ T4737] do_el0_svc+0x58/0x14c [ 145.106767][ T4737] el0_svc+0x7c/0x1f0 [ 145.107804][ T4737] el0t_64_sync_handler+0x84/0xe4 [ 145.109137][ T4737] el0t_64_sync+0x1a0/0x1a4 [ 145.114000][ T4738] block nbd0: shutting down sockets executing program [ 145.275688][ T4740] FAULT_INJECTION: forcing a failure. [ 145.275688][ T4740] name failslab, interval 1, probability 0, space 0, times 0 [ 145.278939][ T4740] CPU: 1 PID: 4740 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 145.281407][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 145.284023][ T4740] Call trace: [ 145.284863][ T4740] dump_backtrace+0x0/0x530 [ 145.285974][ T4740] show_stack+0x2c/0x3c [ 145.287022][ T4740] dump_stack_lvl+0x108/0x170 [ 145.288229][ T4740] dump_stack+0x1c/0x58 [ 145.289292][ T4740] should_fail+0x400/0x5cc [ 145.290450][ T4740] __should_failslab+0xbc/0x110 [ 145.291679][ T4740] should_failslab+0x10/0x28 [ 145.292865][ T4740] slab_pre_alloc_hook+0x64/0xe8 [ 145.294136][ T4740] __kmalloc_node+0xbc/0x5b8 [ 145.295296][ T4740] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 145.296664][ T4740] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 145.298134][ T4740] nbd_start_device+0x158/0xb34 [ 145.299400][ T4740] nbd_ioctl+0x420/0xc2c [ 145.300489][ T4740] blkdev_ioctl+0x3d8/0xbd0 [ 145.301629][ T4740] block_ioctl+0xa8/0x114 [ 145.302771][ T4740] __arm64_sys_ioctl+0x14c/0x1c8 [ 145.304091][ T4740] invoke_syscall+0x98/0x2b8 [ 145.305255][ T4740] el0_svc_common+0x138/0x258 [ 145.306475][ T4740] do_el0_svc+0x58/0x14c [ 145.307588][ T4740] el0_svc+0x7c/0x1f0 [ 145.308644][ T4740] el0t_64_sync_handler+0x84/0xe4 [ 145.309910][ T4740] el0t_64_sync+0x1a0/0x1a4 [ 145.311213][ T4740] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 145.317502][ T4741] block nbd0: shutting down sockets executing program [ 145.431876][ T4745] block nbd0: Device being setup by another task [ 145.433818][ T4744] FAULT_INJECTION: forcing a failure. [ 145.433818][ T4744] name failslab, interval 1, probability 0, space 0, times 0 [ 145.437036][ T4744] CPU: 1 PID: 4744 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 145.439656][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 145.442122][ T4744] Call trace: [ 145.442994][ T4744] dump_backtrace+0x0/0x530 [ 145.444172][ T4744] show_stack+0x2c/0x3c [ 145.445254][ T4744] dump_stack_lvl+0x108/0x170 [ 145.446486][ T4744] dump_stack+0x1c/0x58 [ 145.447565][ T4744] should_fail+0x400/0x5cc [ 145.448666][ T4744] __should_failslab+0xbc/0x110 [ 145.449933][ T4744] should_failslab+0x10/0x28 [ 145.451095][ T4744] slab_pre_alloc_hook+0x64/0xe8 [ 145.452399][ T4744] kmem_cache_alloc+0x98/0x45c [ 145.453651][ T4744] new_inode_pseudo+0x110/0x200 [ 145.454906][ T4744] new_inode+0x38/0x174 [ 145.455962][ T4744] debugfs_create_dir+0xf0/0x420 [ 145.457288][ T4744] nbd_start_device+0x3bc/0xb34 [ 145.458538][ T4744] nbd_ioctl+0x420/0xc2c [ 145.459659][ T4744] blkdev_ioctl+0x3d8/0xbd0 [ 145.460837][ T4744] block_ioctl+0xa8/0x114 [ 145.461974][ T4744] __arm64_sys_ioctl+0x14c/0x1c8 [ 145.463246][ T4744] invoke_syscall+0x98/0x2b8 [ 145.464428][ T4744] el0_svc_common+0x138/0x258 [ 145.465616][ T4744] do_el0_svc+0x58/0x14c [ 145.466729][ T4744] el0_svc+0x7c/0x1f0 [ 145.467722][ T4744] el0t_64_sync_handler+0x84/0xe4 [ 145.469047][ T4744] el0t_64_sync+0x1a0/0x1a4 [ 145.470422][ T4744] debugfs: out of free dentries, can not create directory 'nbd0' [ 145.472484][ T4744] block nbd0: Failed to create debugfs dir for 'nbd0' [ 145.482129][ T4745] block nbd0: shutting down sockets executing program [ 145.625791][ T4747] FAULT_INJECTION: forcing a failure. [ 145.625791][ T4747] name failslab, interval 1, probability 0, space 0, times 0 [ 145.629117][ T4747] CPU: 1 PID: 4747 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 145.631638][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 145.634327][ T4747] Call trace: [ 145.635216][ T4747] dump_backtrace+0x0/0x530 [ 145.636395][ T4747] show_stack+0x2c/0x3c [ 145.637448][ T4747] dump_stack_lvl+0x108/0x170 [ 145.638679][ T4747] dump_stack+0x1c/0x58 [ 145.639848][ T4747] should_fail+0x400/0x5cc [ 145.641003][ T4747] __should_failslab+0xbc/0x110 [ 145.642302][ T4747] should_failslab+0x10/0x28 [ 145.643464][ T4747] slab_pre_alloc_hook+0x64/0xe8 [ 145.644843][ T4747] __kmalloc_node+0xbc/0x5b8 [ 145.646074][ T4747] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 145.647591][ T4747] nbd_start_device+0x158/0xb34 [ 145.648878][ T4747] nbd_ioctl+0x420/0xc2c [ 145.649942][ T4747] blkdev_ioctl+0x3d8/0xbd0 [ 145.651151][ T4747] block_ioctl+0xa8/0x114 [ 145.652289][ T4747] __arm64_sys_ioctl+0x14c/0x1c8 [ 145.653615][ T4747] invoke_syscall+0x98/0x2b8 [ 145.654820][ T4747] el0_svc_common+0x138/0x258 [ 145.655995][ T4747] do_el0_svc+0x58/0x14c [ 145.657100][ T4747] el0_svc+0x7c/0x1f0 [ 145.658126][ T4747] el0t_64_sync_handler+0x84/0xe4 [ 145.659407][ T4747] el0t_64_sync+0x1a0/0x1a4 [ 145.664291][ T4748] block nbd0: shutting down sockets executing program [ 145.781993][ T4751] block nbd0: Device being setup by another task [ 145.783759][ T4750] FAULT_INJECTION: forcing a failure. [ 145.783759][ T4750] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 145.787318][ T4750] CPU: 1 PID: 4750 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 145.789902][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 145.792438][ T4750] Call trace: [ 145.793300][ T4750] dump_backtrace+0x0/0x530 [ 145.794474][ T4750] show_stack+0x2c/0x3c [ 145.795522][ T4750] dump_stack_lvl+0x108/0x170 [ 145.796758][ T4750] dump_stack+0x1c/0x58 [ 145.797834][ T4750] should_fail+0x400/0x5cc [ 145.798977][ T4750] should_fail_alloc_page+0x74/0xa8 [ 145.800363][ T4750] prepare_alloc_pages+0x160/0x4cc [ 145.801712][ T4750] __alloc_pages+0x138/0x674 [ 145.802918][ T4750] alloc_pages+0x390/0x634 [ 145.804036][ T4750] new_slab+0xec/0x56c [ 145.805125][ T4750] ___slab_alloc+0x6bc/0xdbc [ 145.806353][ T4750] kmem_cache_alloc+0x2d8/0x45c [ 145.807597][ T4750] __d_alloc+0x3c/0x6a8 [ 145.808666][ T4750] d_alloc_parallel+0xb8/0x11bc [ 145.809969][ T4750] __lookup_slow+0x108/0x388 [ 145.811139][ T4750] lookup_one_len+0x178/0x28c [ 145.812377][ T4750] start_creating+0x19c/0x2e0 [ 145.813647][ T4750] debugfs_create_dir+0x34/0x420 [ 145.814948][ T4750] nbd_start_device+0x3bc/0xb34 [ 145.816197][ T4750] nbd_ioctl+0x420/0xc2c [ 145.817203][ T4750] blkdev_ioctl+0x3d8/0xbd0 [ 145.818371][ T4750] block_ioctl+0xa8/0x114 [ 145.819541][ T4750] __arm64_sys_ioctl+0x14c/0x1c8 [ 145.820834][ T4750] invoke_syscall+0x98/0x2b8 [ 145.822023][ T4750] el0_svc_common+0x138/0x258 [ 145.823279][ T4750] do_el0_svc+0x58/0x14c [ 145.824421][ T4750] el0_svc+0x7c/0x1f0 [ 145.825500][ T4750] el0t_64_sync_handler+0x84/0xe4 [ 145.826855][ T4750] el0t_64_sync+0x1a0/0x1a4 [ 145.832647][ T4751] block nbd0: shutting down sockets executing program [ 145.995725][ T4753] FAULT_INJECTION: forcing a failure. [ 145.995725][ T4753] name failslab, interval 1, probability 0, space 0, times 0 [ 145.998985][ T4753] CPU: 0 PID: 4753 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 146.001553][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 146.004391][ T4753] Call trace: [ 146.005210][ T4753] dump_backtrace+0x0/0x530 [ 146.006411][ T4753] show_stack+0x2c/0x3c [ 146.007509][ T4753] dump_stack_lvl+0x108/0x170 [ 146.008767][ T4753] dump_stack+0x1c/0x58 [ 146.009901][ T4753] should_fail+0x400/0x5cc [ 146.011099][ T4753] __should_failslab+0xbc/0x110 [ 146.012348][ T4753] should_failslab+0x10/0x28 [ 146.013535][ T4753] slab_pre_alloc_hook+0x64/0xe8 [ 146.014818][ T4753] __kmalloc_node+0xbc/0x5b8 [ 146.016030][ T4753] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 146.017401][ T4753] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 146.018927][ T4753] nbd_start_device+0x158/0xb34 [ 146.020261][ T4753] nbd_ioctl+0x420/0xc2c [ 146.021389][ T4753] blkdev_ioctl+0x3d8/0xbd0 [ 146.022556][ T4753] block_ioctl+0xa8/0x114 [ 146.023721][ T4753] __arm64_sys_ioctl+0x14c/0x1c8 [ 146.025025][ T4753] invoke_syscall+0x98/0x2b8 [ 146.026261][ T4753] el0_svc_common+0x138/0x258 [ 146.027526][ T4753] do_el0_svc+0x58/0x14c [ 146.028628][ T4753] el0_svc+0x7c/0x1f0 [ 146.029658][ T4753] el0t_64_sync_handler+0x84/0xe4 [ 146.030935][ T4753] el0t_64_sync+0x1a0/0x1a4 [ 146.032790][ T4753] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 146.037569][ T4754] block nbd0: shutting down sockets executing program [ 146.175670][ T4757] FAULT_INJECTION: forcing a failure. [ 146.175670][ T4757] name failslab, interval 1, probability 0, space 0, times 0 [ 146.178874][ T4757] CPU: 1 PID: 4757 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 146.181355][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 146.183939][ T4757] Call trace: [ 146.184768][ T4757] dump_backtrace+0x0/0x530 [ 146.185957][ T4757] show_stack+0x2c/0x3c [ 146.187027][ T4757] dump_stack_lvl+0x108/0x170 [ 146.188237][ T4757] dump_stack+0x1c/0x58 [ 146.189335][ T4757] should_fail+0x400/0x5cc [ 146.190444][ T4757] __should_failslab+0xbc/0x110 [ 146.191728][ T4757] should_failslab+0x10/0x28 [ 146.192921][ T4757] slab_pre_alloc_hook+0x64/0xe8 [ 146.194243][ T4757] __kmalloc_node+0xbc/0x5b8 [ 146.195421][ T4757] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 146.196809][ T4757] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 146.198265][ T4757] nbd_start_device+0x158/0xb34 [ 146.199529][ T4757] nbd_ioctl+0x420/0xc2c [ 146.200630][ T4757] blkdev_ioctl+0x3d8/0xbd0 [ 146.201856][ T4757] block_ioctl+0xa8/0x114 [ 146.202951][ T4757] __arm64_sys_ioctl+0x14c/0x1c8 [ 146.204209][ T4757] invoke_syscall+0x98/0x2b8 [ 146.205373][ T4757] el0_svc_common+0x138/0x258 [ 146.206593][ T4757] do_el0_svc+0x58/0x14c [ 146.207694][ T4757] el0_svc+0x7c/0x1f0 [ 146.208722][ T4757] el0t_64_sync_handler+0x84/0xe4 [ 146.210004][ T4757] el0t_64_sync+0x1a0/0x1a4 [ 146.211368][ T4757] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 146.215772][ T4758] block nbd0: shutting down sockets executing program [ 146.365748][ T4760] FAULT_INJECTION: forcing a failure. [ 146.365748][ T4760] name failslab, interval 1, probability 0, space 0, times 0 [ 146.369062][ T4760] CPU: 1 PID: 4760 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 146.371555][ T4760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 146.374106][ T4760] Call trace: [ 146.374954][ T4760] dump_backtrace+0x0/0x530 [ 146.376118][ T4760] show_stack+0x2c/0x3c [ 146.377211][ T4760] dump_stack_lvl+0x108/0x170 [ 146.378425][ T4760] dump_stack+0x1c/0x58 [ 146.379505][ T4760] should_fail+0x400/0x5cc [ 146.380641][ T4760] __should_failslab+0xbc/0x110 [ 146.381933][ T4760] should_failslab+0x10/0x28 [ 146.383111][ T4760] slab_pre_alloc_hook+0x64/0xe8 [ 146.384390][ T4760] __kmalloc_node+0xbc/0x5b8 [ 146.385619][ T4760] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 146.387055][ T4760] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 146.388553][ T4760] nbd_start_device+0x158/0xb34 [ 146.389820][ T4760] nbd_ioctl+0x420/0xc2c [ 146.390940][ T4760] blkdev_ioctl+0x3d8/0xbd0 [ 146.392132][ T4760] block_ioctl+0xa8/0x114 [ 146.393230][ T4760] __arm64_sys_ioctl+0x14c/0x1c8 [ 146.394534][ T4760] invoke_syscall+0x98/0x2b8 [ 146.395768][ T4760] el0_svc_common+0x138/0x258 [ 146.396984][ T4760] do_el0_svc+0x58/0x14c [ 146.398083][ T4760] el0_svc+0x7c/0x1f0 [ 146.399152][ T4760] el0t_64_sync_handler+0x84/0xe4 [ 146.400464][ T4760] el0t_64_sync+0x1a0/0x1a4 [ 146.401866][ T4760] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 146.406319][ T4761] block nbd0: shutting down sockets executing program [ 146.565734][ T4764] FAULT_INJECTION: forcing a failure. [ 146.565734][ T4764] name failslab, interval 1, probability 0, space 0, times 0 [ 146.569210][ T4764] CPU: 0 PID: 4764 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 146.571914][ T4764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 146.574639][ T4764] Call trace: [ 146.575549][ T4764] dump_backtrace+0x0/0x530 [ 146.576778][ T4764] show_stack+0x2c/0x3c [ 146.577921][ T4764] dump_stack_lvl+0x108/0x170 [ 146.579243][ T4764] dump_stack+0x1c/0x58 [ 146.580520][ T4764] should_fail+0x400/0x5cc [ 146.581537][ T4764] __should_failslab+0xbc/0x110 [ 146.582891][ T4764] should_failslab+0x10/0x28 [ 146.584206][ T4764] slab_pre_alloc_hook+0x64/0xe8 [ 146.585569][ T4764] __kmalloc_node+0xbc/0x5b8 [ 146.586853][ T4764] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 146.588273][ T4764] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 146.589908][ T4764] nbd_start_device+0x158/0xb34 [ 146.591264][ T4764] nbd_ioctl+0x420/0xc2c [ 146.592423][ T4764] blkdev_ioctl+0x3d8/0xbd0 [ 146.593664][ T4764] block_ioctl+0xa8/0x114 [ 146.594898][ T4764] __arm64_sys_ioctl+0x14c/0x1c8 [ 146.596253][ T4764] invoke_syscall+0x98/0x2b8 [ 146.597496][ T4764] el0_svc_common+0x138/0x258 [ 146.598741][ T4764] do_el0_svc+0x58/0x14c [ 146.599881][ T4764] el0_svc+0x7c/0x1f0 [ 146.600936][ T4764] el0t_64_sync_handler+0x84/0xe4 [ 146.602288][ T4764] el0t_64_sync+0x1a0/0x1a4 [ 146.603694][ T4764] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 146.608664][ T4763] block nbd0: shutting down sockets executing program [ 146.745682][ T4767] FAULT_INJECTION: forcing a failure. [ 146.745682][ T4767] name failslab, interval 1, probability 0, space 0, times 0 [ 146.749113][ T4767] CPU: 1 PID: 4767 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 146.751802][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 146.754506][ T4767] Call trace: [ 146.755377][ T4767] dump_backtrace+0x0/0x530 [ 146.756570][ T4767] show_stack+0x2c/0x3c [ 146.757656][ T4767] dump_stack_lvl+0x108/0x170 [ 146.758949][ T4767] dump_stack+0x1c/0x58 [ 146.760032][ T4767] should_fail+0x400/0x5cc [ 146.761269][ T4767] __should_failslab+0xbc/0x110 [ 146.762632][ T4767] should_failslab+0x10/0x28 [ 146.763827][ T4767] slab_pre_alloc_hook+0x64/0xe8 [ 146.765139][ T4767] __kmalloc_node+0xbc/0x5b8 [ 146.766361][ T4767] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 146.767811][ T4767] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 146.769294][ T4767] nbd_start_device+0x158/0xb34 [ 146.770519][ T4767] nbd_ioctl+0x420/0xc2c [ 146.771661][ T4767] blkdev_ioctl+0x3d8/0xbd0 [ 146.772888][ T4767] block_ioctl+0xa8/0x114 [ 146.774007][ T4767] __arm64_sys_ioctl+0x14c/0x1c8 [ 146.775369][ T4767] invoke_syscall+0x98/0x2b8 [ 146.776602][ T4767] el0_svc_common+0x138/0x258 [ 146.777903][ T4767] do_el0_svc+0x58/0x14c [ 146.779032][ T4767] el0_svc+0x7c/0x1f0 [ 146.780124][ T4767] el0t_64_sync_handler+0x84/0xe4 [ 146.781438][ T4767] el0t_64_sync+0x1a0/0x1a4 [ 146.782675][ T4767] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 146.787795][ T4768] block nbd0: shutting down sockets executing program [ 146.925679][ T4770] FAULT_INJECTION: forcing a failure. [ 146.925679][ T4770] name failslab, interval 1, probability 0, space 0, times 0 [ 146.928991][ T4770] CPU: 1 PID: 4770 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 146.931508][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 146.934119][ T4770] Call trace: [ 146.934951][ T4770] dump_backtrace+0x0/0x530 [ 146.936145][ T4770] show_stack+0x2c/0x3c [ 146.937241][ T4770] dump_stack_lvl+0x108/0x170 [ 146.938459][ T4770] dump_stack+0x1c/0x58 [ 146.939526][ T4770] should_fail+0x400/0x5cc [ 146.940637][ T4770] __should_failslab+0xbc/0x110 [ 146.941907][ T4770] should_failslab+0x10/0x28 [ 146.943082][ T4770] slab_pre_alloc_hook+0x64/0xe8 [ 146.944335][ T4770] __kmalloc_node+0xbc/0x5b8 [ 146.945523][ T4770] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 146.946881][ T4770] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 146.948385][ T4770] nbd_start_device+0x158/0xb34 [ 146.949632][ T4770] nbd_ioctl+0x420/0xc2c [ 146.950780][ T4770] blkdev_ioctl+0x3d8/0xbd0 [ 146.951968][ T4770] block_ioctl+0xa8/0x114 [ 146.953090][ T4770] __arm64_sys_ioctl+0x14c/0x1c8 [ 146.954366][ T4770] invoke_syscall+0x98/0x2b8 [ 146.955572][ T4770] el0_svc_common+0x138/0x258 [ 146.956733][ T4770] do_el0_svc+0x58/0x14c [ 146.957800][ T4770] el0_svc+0x7c/0x1f0 [ 146.958780][ T4770] el0t_64_sync_handler+0x84/0xe4 [ 146.960101][ T4770] el0t_64_sync+0x1a0/0x1a4 [ 146.961482][ T4770] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 146.965911][ T4771] block nbd0: shutting down sockets executing program [ 147.115734][ T4773] FAULT_INJECTION: forcing a failure. [ 147.115734][ T4773] name failslab, interval 1, probability 0, space 0, times 0 [ 147.119000][ T4773] CPU: 1 PID: 4773 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 147.121449][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 147.124112][ T4773] Call trace: [ 147.124963][ T4773] dump_backtrace+0x0/0x530 [ 147.126135][ T4773] show_stack+0x2c/0x3c [ 147.127223][ T4773] dump_stack_lvl+0x108/0x170 [ 147.128442][ T4773] dump_stack+0x1c/0x58 [ 147.129538][ T4773] should_fail+0x400/0x5cc [ 147.130719][ T4773] __should_failslab+0xbc/0x110 [ 147.131990][ T4773] should_failslab+0x10/0x28 [ 147.133199][ T4773] slab_pre_alloc_hook+0x64/0xe8 [ 147.134461][ T4773] __kmalloc_node+0xbc/0x5b8 [ 147.135723][ T4773] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 147.137109][ T4773] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 147.138610][ T4773] nbd_start_device+0x158/0xb34 [ 147.139930][ T4773] nbd_ioctl+0x420/0xc2c [ 147.141074][ T4773] blkdev_ioctl+0x3d8/0xbd0 [ 147.142266][ T4773] block_ioctl+0xa8/0x114 [ 147.143358][ T4773] __arm64_sys_ioctl+0x14c/0x1c8 [ 147.144630][ T4773] invoke_syscall+0x98/0x2b8 [ 147.145821][ T4773] el0_svc_common+0x138/0x258 [ 147.147013][ T4773] do_el0_svc+0x58/0x14c [ 147.148158][ T4773] el0_svc+0x7c/0x1f0 [ 147.149216][ T4773] el0t_64_sync_handler+0x84/0xe4 [ 147.150546][ T4773] el0t_64_sync+0x1a0/0x1a4 [ 147.151955][ T4773] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 147.156734][ T4774] block nbd0: shutting down sockets executing program [ 147.271943][ T4777] block nbd0: Device being setup by another task [ 147.274533][ T4776] FAULT_INJECTION: forcing a failure. [ 147.274533][ T4776] name failslab, interval 1, probability 0, space 0, times 0 [ 147.278008][ T4776] CPU: 1 PID: 4776 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 147.280621][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 147.283284][ T4776] Call trace: [ 147.284222][ T4776] dump_backtrace+0x0/0x530 [ 147.285481][ T4776] show_stack+0x2c/0x3c [ 147.286611][ T4776] dump_stack_lvl+0x108/0x170 [ 147.287830][ T4776] dump_stack+0x1c/0x58 [ 147.288952][ T4776] should_fail+0x400/0x5cc [ 147.290146][ T4776] __should_failslab+0xbc/0x110 [ 147.291420][ T4776] should_failslab+0x10/0x28 [ 147.292690][ T4776] slab_pre_alloc_hook+0x64/0xe8 [ 147.294024][ T4776] kmem_cache_alloc+0x98/0x45c [ 147.295392][ T4776] new_inode_pseudo+0x110/0x200 [ 147.296718][ T4776] new_inode+0x38/0x174 [ 147.297853][ T4776] debugfs_create_dir+0xf0/0x420 [ 147.299141][ T4776] nbd_start_device+0x3bc/0xb34 [ 147.300439][ T4776] nbd_ioctl+0x420/0xc2c [ 147.301565][ T4776] blkdev_ioctl+0x3d8/0xbd0 [ 147.302802][ T4776] block_ioctl+0xa8/0x114 [ 147.303964][ T4776] __arm64_sys_ioctl+0x14c/0x1c8 [ 147.305296][ T4776] invoke_syscall+0x98/0x2b8 [ 147.306526][ T4776] el0_svc_common+0x138/0x258 [ 147.307789][ T4776] do_el0_svc+0x58/0x14c [ 147.308931][ T4776] el0_svc+0x7c/0x1f0 [ 147.309981][ T4776] el0t_64_sync_handler+0x84/0xe4 [ 147.311305][ T4776] el0t_64_sync+0x1a0/0x1a4 [ 147.312655][ T4776] debugfs: out of free dentries, can not create directory 'nbd0' [ 147.314798][ T4776] block nbd0: Failed to create debugfs dir for 'nbd0' [ 147.325035][ T4777] block nbd0: shutting down sockets executing program [ 147.456580][ T4779] FAULT_INJECTION: forcing a failure. [ 147.456580][ T4779] name failslab, interval 1, probability 0, space 0, times 0 [ 147.459832][ T4779] CPU: 1 PID: 4779 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 147.462410][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 147.465094][ T4779] Call trace: [ 147.465928][ T4779] dump_backtrace+0x0/0x530 [ 147.467143][ T4779] show_stack+0x2c/0x3c [ 147.468246][ T4779] dump_stack_lvl+0x108/0x170 [ 147.469481][ T4779] dump_stack+0x1c/0x58 [ 147.470641][ T4779] should_fail+0x400/0x5cc [ 147.471801][ T4779] __should_failslab+0xbc/0x110 [ 147.473096][ T4779] should_failslab+0x10/0x28 [ 147.474289][ T4779] slab_pre_alloc_hook+0x64/0xe8 [ 147.475586][ T4779] __kmalloc_node+0xbc/0x5b8 [ 147.476805][ T4779] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 147.478287][ T4779] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 147.479813][ T4779] nbd_start_device+0x158/0xb34 [ 147.481084][ T4779] nbd_ioctl+0x420/0xc2c [ 147.482266][ T4779] blkdev_ioctl+0x3d8/0xbd0 [ 147.483426][ T4779] block_ioctl+0xa8/0x114 [ 147.484566][ T4779] __arm64_sys_ioctl+0x14c/0x1c8 [ 147.485956][ T4779] invoke_syscall+0x98/0x2b8 [ 147.487250][ T4779] el0_svc_common+0x138/0x258 [ 147.488512][ T4779] do_el0_svc+0x58/0x14c [ 147.489697][ T4779] el0_svc+0x7c/0x1f0 [ 147.490758][ T4779] el0t_64_sync_handler+0x84/0xe4 [ 147.492136][ T4779] el0t_64_sync+0x1a0/0x1a4 [ 147.493514][ T4779] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 147.498443][ T4780] block nbd0: shutting down sockets executing program [ 147.645690][ T4782] FAULT_INJECTION: forcing a failure. [ 147.645690][ T4782] name failslab, interval 1, probability 0, space 0, times 0 [ 147.649129][ T4782] CPU: 0 PID: 4782 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 147.651820][ T4782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 147.654568][ T4782] Call trace: [ 147.655447][ T4782] dump_backtrace+0x0/0x530 [ 147.656743][ T4782] show_stack+0x2c/0x3c [ 147.657862][ T4782] dump_stack_lvl+0x108/0x170 [ 147.659069][ T4782] dump_stack+0x1c/0x58 [ 147.660145][ T4782] should_fail+0x400/0x5cc [ 147.661300][ T4782] __should_failslab+0xbc/0x110 [ 147.662547][ T4782] should_failslab+0x10/0x28 [ 147.663723][ T4782] slab_pre_alloc_hook+0x64/0xe8 [ 147.665041][ T4782] __kmalloc_node+0xbc/0x5b8 [ 147.666274][ T4782] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 147.667675][ T4782] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 147.669207][ T4782] nbd_start_device+0x158/0xb34 [ 147.670489][ T4782] nbd_ioctl+0x420/0xc2c [ 147.671574][ T4782] blkdev_ioctl+0x3d8/0xbd0 [ 147.672779][ T4782] block_ioctl+0xa8/0x114 [ 147.673886][ T4782] __arm64_sys_ioctl+0x14c/0x1c8 [ 147.675115][ T4782] invoke_syscall+0x98/0x2b8 [ 147.676302][ T4782] el0_svc_common+0x138/0x258 [ 147.677491][ T4782] do_el0_svc+0x58/0x14c [ 147.678554][ T4782] el0_svc+0x7c/0x1f0 [ 147.679559][ T4782] el0t_64_sync_handler+0x84/0xe4 [ 147.680893][ T4782] el0t_64_sync+0x1a0/0x1a4 [ 147.682280][ T4782] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 147.686686][ T4783] block nbd0: shutting down sockets executing program [ 147.801958][ T4786] block nbd0: Device being setup by another task [ 147.804413][ T4785] FAULT_INJECTION: forcing a failure. [ 147.804413][ T4785] name failslab, interval 1, probability 0, space 0, times 0 [ 147.807638][ T4785] CPU: 1 PID: 4785 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 147.810138][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 147.812688][ T4785] Call trace: [ 147.813569][ T4785] dump_backtrace+0x0/0x530 [ 147.814721][ T4785] show_stack+0x2c/0x3c [ 147.815844][ T4785] dump_stack_lvl+0x108/0x170 [ 147.817081][ T4785] dump_stack+0x1c/0x58 [ 147.818236][ T4785] should_fail+0x400/0x5cc [ 147.819428][ T4785] __should_failslab+0xbc/0x110 [ 147.820777][ T4785] should_failslab+0x10/0x28 [ 147.822037][ T4785] slab_pre_alloc_hook+0x64/0xe8 [ 147.823415][ T4785] kmem_cache_alloc+0x98/0x45c [ 147.824713][ T4785] new_inode_pseudo+0x110/0x200 [ 147.826026][ T4785] new_inode+0x38/0x174 [ 147.827164][ T4785] debugfs_create_dir+0xf0/0x420 [ 147.828540][ T4785] nbd_start_device+0x3bc/0xb34 [ 147.829875][ T4785] nbd_ioctl+0x420/0xc2c [ 147.831079][ T4785] blkdev_ioctl+0x3d8/0xbd0 [ 147.832261][ T4785] block_ioctl+0xa8/0x114 [ 147.833404][ T4785] __arm64_sys_ioctl+0x14c/0x1c8 [ 147.834696][ T4785] invoke_syscall+0x98/0x2b8 [ 147.835906][ T4785] el0_svc_common+0x138/0x258 [ 147.837086][ T4785] do_el0_svc+0x58/0x14c [ 147.838223][ T4785] el0_svc+0x7c/0x1f0 [ 147.839277][ T4785] el0t_64_sync_handler+0x84/0xe4 [ 147.840533][ T4785] el0t_64_sync+0x1a0/0x1a4 [ 147.841878][ T4785] debugfs: out of free dentries, can not create directory 'nbd0' [ 147.843999][ T4785] block nbd0: Failed to create debugfs dir for 'nbd0' [ 147.854098][ T4786] block nbd0: shutting down sockets executing program [ 148.005891][ T4788] FAULT_INJECTION: forcing a failure. [ 148.005891][ T4788] name failslab, interval 1, probability 0, space 0, times 0 [ 148.009290][ T4788] CPU: 1 PID: 4788 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 148.011875][ T4788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 148.014536][ T4788] Call trace: [ 148.015374][ T4788] dump_backtrace+0x0/0x530 [ 148.016602][ T4788] show_stack+0x2c/0x3c [ 148.017687][ T4788] dump_stack_lvl+0x108/0x170 [ 148.019028][ T4788] dump_stack+0x1c/0x58 [ 148.020137][ T4788] should_fail+0x400/0x5cc [ 148.021273][ T4788] __should_failslab+0xbc/0x110 [ 148.022606][ T4788] should_failslab+0x10/0x28 [ 148.023893][ T4788] slab_pre_alloc_hook+0x64/0xe8 [ 148.025235][ T4788] __kmalloc_node+0xbc/0x5b8 [ 148.026419][ T4788] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 148.027905][ T4788] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 148.029442][ T4788] nbd_start_device+0x158/0xb34 [ 148.030777][ T4788] nbd_ioctl+0x420/0xc2c [ 148.031871][ T4788] blkdev_ioctl+0x3d8/0xbd0 [ 148.033062][ T4788] block_ioctl+0xa8/0x114 [ 148.034167][ T4788] __arm64_sys_ioctl+0x14c/0x1c8 [ 148.035502][ T4788] invoke_syscall+0x98/0x2b8 [ 148.036714][ T4788] el0_svc_common+0x138/0x258 [ 148.037929][ T4788] do_el0_svc+0x58/0x14c [ 148.039063][ T4788] el0_svc+0x7c/0x1f0 [ 148.040134][ T4788] el0t_64_sync_handler+0x84/0xe4 [ 148.041446][ T4788] el0t_64_sync+0x1a0/0x1a4 [ 148.042918][ T4788] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 148.047958][ T4789] block nbd0: shutting down sockets executing program [ 148.195714][ T4791] FAULT_INJECTION: forcing a failure. [ 148.195714][ T4791] name failslab, interval 1, probability 0, space 0, times 0 [ 148.199070][ T4791] CPU: 0 PID: 4791 Comm: syz-executor352 Tainted: G W 5.15.125-syzkaller #0 [ 148.201665][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 [ 148.204269][ T4791] Call trace: [ 148.205129][ T4791] dump_backtrace+0x0/0x530 [ 148.206310][ T4791] show_stack+0x2c/0x3c [ 148.207387][ T4791] dump_stack_lvl+0x108/0x170 [ 148.208603][ T4791] dump_stack+0x1c/0x58 [ 148.209666][ T4791] should_fail+0x400/0x5cc [ 148.210745][ T4791] __should_failslab+0xbc/0x110 [ 148.211963][ T4791] should_failslab+0x10/0x28 [ 148.213108][ T4791] slab_pre_alloc_hook+0x64/0xe8 [ 148.214507][ T4791] __kmalloc_node+0xbc/0x5b8 [ 148.215717][ T4791] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 148.217137][ T4791] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 148.218663][ T4791] nbd_start_device+0x158/0xb34 [ 148.219957][ T4791] nbd_ioctl+0x420/0xc2c [ 148.221015][ T4791] blkdev_ioctl+0x3d8/0xbd0 [ 148.222152][ T4791] block_ioctl+0xa8/0x114 [ 148.223257][ T4791] __arm64_sys_ioctl+0x14c/0x1c8 [ 148.224590][ T4791] invoke_syscall+0x98/0x2b8 [ 148.225789][ T4791] el0_svc_common+0x138/0x258 [ 148.226987][ T4791] do_el0_svc+0x58/0x14c [ 148.228107][ T4791] el0_svc+0x7c/0x1f0 [ 148.229160][ T4791] el0t_64_sync_handler+0x84/0xe4 [ 148.230488][ T4791] el0t_64_sync+0x1a0/0x1a4 [ 148.231961][ T4791] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 148.236306][ T4792] block nbd0: shutting down sockets executing program