Warning: Permanently added '10.128.1.88' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 35.505964][ T3979] block nbd4: shutting down sockets [ 35.505983][ T3981] block nbd3: shutting down sockets [ 35.515958][ T3974] block nbd0: shutting down sockets [ 35.516287][ T3982] block nbd2: shutting down sockets [ 35.526058][ T3981] FAULT_INJECTION: forcing a failure. [ 35.526058][ T3981] name failslab, interval 1, probability 0, space 0, times 1 [ 35.526255][ T3979] FAULT_INJECTION: forcing a failure. [ 35.526255][ T3979] name failslab, interval 1, probability 0, space 0, times 1 [ 35.528946][ T3981] CPU: 1 PID: 3981 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.528963][ T3981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.528970][ T3981] Call trace: [ 35.528974][ T3981] dump_backtrace+0x0/0x530 [ 35.528990][ T3981] show_stack+0x2c/0x3c [ 35.532981][ T3982] FAULT_INJECTION: forcing a failure. [ 35.532981][ T3982] name failslab, interval 1, probability 0, space 0, times 1 [ 35.533794][ T3981] dump_stack_lvl+0x108/0x170 [ 35.533812][ T3981] dump_stack+0x1c/0x58 [ 35.533821][ T3981] should_fail+0x3b8/0x514 [ 35.533832][ T3981] __should_failslab+0xbc/0x110 [ 35.545995][ T3981] should_failslab+0x10/0x28 [ 35.547067][ T3981] slab_pre_alloc_hook+0x64/0xe8 [ 35.548258][ T3981] __kmalloc+0xc0/0x4c8 [ 35.549280][ T3981] tomoyo_supervisor+0xce8/0x115c [ 35.550528][ T3981] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.551897][ T3981] tomoyo_file_ioctl+0x2c/0x3c [ 35.553044][ T3981] security_file_ioctl+0x80/0xbc [ 35.554204][ T3981] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.555273][ T3981] invoke_syscall+0x98/0x2b8 [ 35.556402][ T3981] el0_svc_common+0x138/0x258 [ 35.557456][ T3981] do_el0_svc+0x58/0x14c [ 35.558431][ T3981] el0_svc+0x7c/0x1f0 [ 35.559413][ T3981] el0t_64_sync_handler+0x84/0xe4 [ 35.560708][ T3981] el0t_64_sync+0x1a0/0x1a4 [ 35.561851][ T3979] CPU: 0 PID: 3979 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.563917][ T3979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.566177][ T3979] Call trace: [ 35.567001][ T3979] dump_backtrace+0x0/0x530 [ 35.568116][ T3979] show_stack+0x2c/0x3c [ 35.569180][ T3979] dump_stack_lvl+0x108/0x170 [ 35.570295][ T3979] dump_stack+0x1c/0x58 [ 35.571374][ T3979] should_fail+0x3b8/0x514 [ 35.572360][ T3979] __should_failslab+0xbc/0x110 [ 35.573404][ T3979] should_failslab+0x10/0x28 [ 35.574386][ T3979] slab_pre_alloc_hook+0x64/0xe8 [ 35.575591][ T3979] __kmalloc+0xc0/0x4c8 [ 35.576500][ T3979] tomoyo_supervisor+0xce8/0x115c [ 35.577699][ T3979] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.579021][ T3979] tomoyo_file_ioctl+0x2c/0x3c [ 35.580196][ T3979] security_file_ioctl+0x80/0xbc [ 35.581389][ T3979] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.582489][ T3979] invoke_syscall+0x98/0x2b8 [ 35.583560][ T3979] el0_svc_common+0x138/0x258 [ 35.584632][ T3979] do_el0_svc+0x58/0x14c [ 35.585590][ T3979] el0_svc+0x7c/0x1f0 [ 35.586598][ T3979] el0t_64_sync_handler+0x84/0xe4 [ 35.587781][ T3979] el0t_64_sync+0x1a0/0x1a4 [ 35.594624][ T3982] CPU: 0 PID: 3982 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.595104][ T3980] block nbd1: shutting down sockets [ 35.596599][ T3982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.600091][ T3982] Call trace: [ 35.600842][ T3982] dump_backtrace+0x0/0x530 [ 35.601930][ T3982] show_stack+0x2c/0x3c [ 35.602858][ T3982] dump_stack_lvl+0x108/0x170 [ 35.603948][ T3982] dump_stack+0x1c/0x58 [ 35.604975][ T3982] should_fail+0x3b8/0x514 [ 35.605928][ T3982] __should_failslab+0xbc/0x110 [ 35.606902][ T3980] FAULT_INJECTION: forcing a failure. [ 35.606902][ T3980] name failslab, interval 1, probability 0, space 0, times 0 [ 35.607014][ T3982] should_failslab+0x10/0x28 [ 35.610852][ T3982] slab_pre_alloc_hook+0x64/0xe8 [ 35.611983][ T3982] __kmalloc+0xc0/0x4c8 [ 35.612914][ T3982] tomoyo_supervisor+0xce8/0x115c [ 35.614097][ T3982] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.615364][ T3982] tomoyo_file_ioctl+0x2c/0x3c [ 35.616446][ T3982] security_file_ioctl+0x80/0xbc [ 35.617567][ T3982] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.618619][ T3982] invoke_syscall+0x98/0x2b8 [ 35.619681][ T3982] el0_svc_common+0x138/0x258 [ 35.620715][ T3982] do_el0_svc+0x58/0x14c [ 35.621665][ T3982] el0_svc+0x7c/0x1f0 [ 35.622652][ T3982] el0t_64_sync_handler+0x84/0xe4 [ 35.623805][ T3982] el0t_64_sync+0x1a0/0x1a4 [ 35.624889][ T3980] CPU: 1 PID: 3980 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.626959][ T3980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.628522][ T3987] FAULT_INJECTION: forcing a failure. [ 35.628522][ T3987] name failslab, interval 1, probability 0, space 0, times 0 [ 35.629298][ T3980] Call trace: [ 35.629305][ T3980] dump_backtrace+0x0/0x530 [ 35.629320][ T3980] show_stack+0x2c/0x3c [ 35.629331][ T3980] dump_stack_lvl+0x108/0x170 [ 35.635987][ T3980] dump_stack+0x1c/0x58 [ 35.636996][ T3980] should_fail+0x3b8/0x514 [ 35.638066][ T3980] __should_failslab+0xbc/0x110 [ 35.639125][ T3980] should_failslab+0x10/0x28 [ 35.640190][ T3980] slab_pre_alloc_hook+0x64/0xe8 [ 35.641369][ T3980] __kmalloc+0xc0/0x4c8 [ 35.642246][ T3980] tomoyo_supervisor+0xce8/0x115c [ 35.643352][ T3980] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.644671][ T3980] tomoyo_file_ioctl+0x2c/0x3c [ 35.645812][ T3980] security_file_ioctl+0x80/0xbc [ 35.646957][ T3980] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.648042][ T3980] invoke_syscall+0x98/0x2b8 [ 35.649075][ T3980] el0_svc_common+0x138/0x258 [ 35.650175][ T3980] do_el0_svc+0x58/0x14c [ 35.651165][ T3980] el0_svc+0x7c/0x1f0 [ 35.652073][ T3980] el0t_64_sync_handler+0x84/0xe4 [ 35.653254][ T3980] el0t_64_sync+0x1a0/0x1a4 [ 35.654332][ T3987] CPU: 0 PID: 3987 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.656400][ T3987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.658814][ T3987] Call trace: [ 35.659602][ T3987] dump_backtrace+0x0/0x530 [ 35.660635][ T3987] show_stack+0x2c/0x3c [ 35.661620][ T3987] dump_stack_lvl+0x108/0x170 [ 35.662727][ T3987] dump_stack+0x1c/0x58 [ 35.663695][ T3987] should_fail+0x3b8/0x514 [ 35.664800][ T3987] __should_failslab+0xbc/0x110 [ 35.665932][ T3987] should_failslab+0x10/0x28 [ 35.666982][ T3987] slab_pre_alloc_hook+0x64/0xe8 [ 35.668246][ T3987] __kmalloc+0xc0/0x4c8 [ 35.669154][ T3987] tomoyo_supervisor+0xce8/0x115c [ 35.670340][ T3987] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.671632][ T3987] tomoyo_file_ioctl+0x2c/0x3c [ 35.672754][ T3987] security_file_ioctl+0x80/0xbc [ 35.673930][ T3987] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.675037][ T3987] invoke_syscall+0x98/0x2b8 [ 35.676097][ T3987] el0_svc_common+0x138/0x258 [ 35.677294][ T3987] do_el0_svc+0x58/0x14c [ 35.678334][ T3987] el0_svc+0x7c/0x1f0 [ 35.679315][ T3987] el0t_64_sync_handler+0x84/0xe4 [ 35.680477][ T3987] el0t_64_sync+0x1a0/0x1a4 executing program executing program executing program executing program executing program [ 35.796178][ T3997] block nbd2: shutting down sockets [ 35.796558][ T3996] block nbd1: shutting down sockets [ 35.805468][ T3993] block nbd3: shutting down sockets [ 35.807867][ T3993] FAULT_INJECTION: forcing a failure. [ 35.807867][ T3993] name failslab, interval 1, probability 0, space 0, times 0 [ 35.810978][ T3993] CPU: 1 PID: 3993 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.812883][ T3993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.815220][ T3993] Call trace: [ 35.816022][ T3993] dump_backtrace+0x0/0x530 [ 35.816444][ T3997] FAULT_INJECTION: forcing a failure. [ 35.816444][ T3997] name failslab, interval 1, probability 0, space 0, times 0 [ 35.817129][ T3993] show_stack+0x2c/0x3c [ 35.820925][ T3993] dump_stack_lvl+0x108/0x170 [ 35.821947][ T3993] dump_stack+0x1c/0x58 [ 35.822935][ T3993] should_fail+0x3b8/0x514 [ 35.823947][ T3993] __should_failslab+0xbc/0x110 [ 35.825140][ T3993] should_failslab+0x10/0x28 [ 35.826231][ T3993] slab_pre_alloc_hook+0x64/0xe8 [ 35.827352][ T3993] __kmalloc+0xc0/0x4c8 [ 35.828332][ T3993] tomoyo_init_log+0x1578/0x19e4 [ 35.829437][ T3993] tomoyo_supervisor+0x3ac/0x115c [ 35.830623][ T3993] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.831976][ T3993] tomoyo_file_ioctl+0x2c/0x3c [ 35.833139][ T3993] security_file_ioctl+0x80/0xbc [ 35.834382][ T3993] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.835632][ T3993] invoke_syscall+0x98/0x2b8 [ 35.836811][ T3993] el0_svc_common+0x138/0x258 [ 35.837983][ T3993] do_el0_svc+0x58/0x14c [ 35.839076][ T3993] el0_svc+0x7c/0x1f0 [ 35.840157][ T3993] el0t_64_sync_handler+0x84/0xe4 [ 35.841428][ T3993] el0t_64_sync+0x1a0/0x1a4 [ 35.842537][ T3997] CPU: 0 PID: 3997 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.844427][ T3997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.846721][ T3997] Call trace: [ 35.847497][ T3997] dump_backtrace+0x0/0x530 [ 35.848614][ T3997] show_stack+0x2c/0x3c [ 35.849624][ T3997] dump_stack_lvl+0x108/0x170 [ 35.849891][ T4004] FAULT_INJECTION: forcing a failure. [ 35.849891][ T4004] name failslab, interval 1, probability 0, space 0, times 0 [ 35.850701][ T3997] dump_stack+0x1c/0x58 [ 35.854728][ T3997] should_fail+0x3b8/0x514 [ 35.855782][ T3997] __should_failslab+0xbc/0x110 [ 35.856851][ T3997] should_failslab+0x10/0x28 [ 35.858061][ T3997] slab_pre_alloc_hook+0x64/0xe8 [ 35.859310][ T3997] __kmalloc+0xc0/0x4c8 [ 35.860297][ T3997] tomoyo_init_log+0x1578/0x19e4 [ 35.861381][ T3997] tomoyo_supervisor+0x3ac/0x115c [ 35.862510][ T3997] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.863785][ T3997] tomoyo_file_ioctl+0x2c/0x3c [ 35.864985][ T3997] security_file_ioctl+0x80/0xbc [ 35.866207][ T3997] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.867312][ T3997] invoke_syscall+0x98/0x2b8 [ 35.868325][ T3997] el0_svc_common+0x138/0x258 [ 35.869397][ T3997] do_el0_svc+0x58/0x14c [ 35.870366][ T3997] el0_svc+0x7c/0x1f0 [ 35.871260][ T3997] el0t_64_sync_handler+0x84/0xe4 [ 35.872455][ T3997] el0t_64_sync+0x1a0/0x1a4 [ 35.873508][ T4004] CPU: 1 PID: 4004 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.875690][ T4004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.878159][ T4004] Call trace: [ 35.878871][ T4004] dump_backtrace+0x0/0x530 [ 35.880070][ T4004] show_stack+0x2c/0x3c [ 35.881069][ T4004] dump_stack_lvl+0x108/0x170 [ 35.882201][ T4004] dump_stack+0x1c/0x58 [ 35.883239][ T4004] should_fail+0x3b8/0x514 [ 35.884422][ T4004] __should_failslab+0xbc/0x110 [ 35.885625][ T4004] should_failslab+0x10/0x28 [ 35.886828][ T4004] slab_pre_alloc_hook+0x64/0xe8 [ 35.888090][ T4004] __kmalloc+0xc0/0x4c8 [ 35.889133][ T4004] tomoyo_init_log+0x1578/0x19e4 [ 35.890471][ T4004] tomoyo_supervisor+0x3ac/0x115c [ 35.891800][ T4004] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.893140][ T4004] tomoyo_file_ioctl+0x2c/0x3c [ 35.894392][ T4004] security_file_ioctl+0x80/0xbc [ 35.895606][ T4004] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.896821][ T4004] invoke_syscall+0x98/0x2b8 [ 35.897912][ T4004] el0_svc_common+0x138/0x258 [ 35.899109][ T4004] do_el0_svc+0x58/0x14c [ 35.900149][ T4004] el0_svc+0x7c/0x1f0 [ 35.901123][ T4004] el0t_64_sync_handler+0x84/0xe4 [ 35.902416][ T4004] el0t_64_sync+0x1a0/0x1a4 executing program [ 35.908921][ T4003] block nbd4: shutting down sockets [ 35.909535][ T4008] FAULT_INJECTION: forcing a failure. [ 35.909535][ T4008] name failslab, interval 1, probability 0, space 0, times 0 [ 35.913091][ T4008] CPU: 0 PID: 4008 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.914915][ T4008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.917266][ T4008] Call trace: [ 35.918064][ T4008] dump_backtrace+0x0/0x530 [ 35.919085][ T4008] show_stack+0x2c/0x3c [ 35.919989][ T4008] dump_stack_lvl+0x108/0x170 [ 35.921100][ T4008] dump_stack+0x1c/0x58 [ 35.921995][ T4008] should_fail+0x3b8/0x514 [ 35.923001][ T4008] __should_failslab+0xbc/0x110 [ 35.924180][ T4008] should_failslab+0x10/0x28 [ 35.925191][ T4008] slab_pre_alloc_hook+0x64/0xe8 [ 35.926379][ T4008] __kmalloc+0xc0/0x4c8 [ 35.927283][ T4008] tomoyo_supervisor+0xce8/0x115c [ 35.928528][ T4008] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.929843][ T4008] tomoyo_file_ioctl+0x2c/0x3c [ 35.930966][ T4008] security_file_ioctl+0x80/0xbc [ 35.932085][ T4008] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.933201][ T4008] invoke_syscall+0x98/0x2b8 [ 35.934247][ T4008] el0_svc_common+0x138/0x258 [ 35.935271][ T4008] do_el0_svc+0x58/0x14c [ 35.936187][ T4008] el0_svc+0x7c/0x1f0 [ 35.937049][ T4008] el0t_64_sync_handler+0x84/0xe4 [ 35.938171][ T4008] el0t_64_sync+0x1a0/0x1a4 [ 35.942308][ T4001] block nbd0: shutting down sockets executing program executing program [ 35.967015][ T4001] FAULT_INJECTION: forcing a failure. [ 35.967015][ T4001] name failslab, interval 1, probability 0, space 0, times 0 [ 35.970398][ T4001] CPU: 0 PID: 4001 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 35.972300][ T4001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.974645][ T4001] Call trace: [ 35.975402][ T4001] dump_backtrace+0x0/0x530 [ 35.976530][ T4001] show_stack+0x2c/0x3c [ 35.977504][ T4001] dump_stack_lvl+0x108/0x170 [ 35.978530][ T4001] dump_stack+0x1c/0x58 [ 35.979537][ T4001] should_fail+0x3b8/0x514 [ 35.980595][ T4001] __should_failslab+0xbc/0x110 [ 35.981722][ T4001] should_failslab+0x10/0x28 [ 35.982798][ T4001] slab_pre_alloc_hook+0x64/0xe8 [ 35.983976][ T4001] __kmalloc+0xc0/0x4c8 [ 35.984983][ T4001] tomoyo_init_log+0x1578/0x19e4 [ 35.986099][ T4001] tomoyo_supervisor+0x3ac/0x115c [ 35.987178][ T4001] tomoyo_path_number_perm+0x4c0/0x6b0 [ 35.988443][ T4001] tomoyo_file_ioctl+0x2c/0x3c [ 35.989499][ T4001] security_file_ioctl+0x80/0xbc [ 35.990627][ T4001] __arm64_sys_ioctl+0xa8/0x1c8 [ 35.991710][ T4001] invoke_syscall+0x98/0x2b8 [ 35.992740][ T4001] el0_svc_common+0x138/0x258 [ 35.993739][ T4001] do_el0_svc+0x58/0x14c [ 35.994743][ T4001] el0_svc+0x7c/0x1f0 [ 35.995604][ T4001] el0t_64_sync_handler+0x84/0xe4 [ 35.996720][ T4001] el0t_64_sync+0x1a0/0x1a4 executing program executing program [ 36.036163][ T4009] block nbd2: shutting down sockets [ 36.041532][ T4009] FAULT_INJECTION: forcing a failure. [ 36.041532][ T4009] name failslab, interval 1, probability 0, space 0, times 0 [ 36.045071][ T4009] CPU: 1 PID: 4009 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.047245][ T4009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.049923][ T4009] Call trace: [ 36.050790][ T4009] dump_backtrace+0x0/0x530 [ 36.052071][ T4009] show_stack+0x2c/0x3c [ 36.053234][ T4009] dump_stack_lvl+0x108/0x170 [ 36.054451][ T4009] dump_stack+0x1c/0x58 [ 36.055495][ T4009] should_fail+0x3b8/0x514 [ 36.056602][ T4009] __should_failslab+0xbc/0x110 [ 36.057782][ T4009] should_failslab+0x10/0x28 [ 36.058882][ T4009] slab_pre_alloc_hook+0x64/0xe8 [ 36.060118][ T4009] __kmalloc+0xc0/0x4c8 [ 36.061180][ T4009] tomoyo_supervisor+0xce8/0x115c [ 36.062510][ T4009] tomoyo_path_number_perm+0x4c0/0x6b0 [ 36.063855][ T4009] tomoyo_file_ioctl+0x2c/0x3c [ 36.065093][ T4009] security_file_ioctl+0x80/0xbc [ 36.066415][ T4009] __arm64_sys_ioctl+0xa8/0x1c8 [ 36.067728][ T4009] invoke_syscall+0x98/0x2b8 [ 36.068993][ T4009] el0_svc_common+0x138/0x258 [ 36.070239][ T4009] do_el0_svc+0x58/0x14c [ 36.071378][ T4009] el0_svc+0x7c/0x1f0 [ 36.072405][ T4009] el0t_64_sync_handler+0x84/0xe4 [ 36.073527][ T4009] el0t_64_sync+0x1a0/0x1a4 [ 36.075979][ T4013] block nbd1: shutting down sockets [ 36.078298][ T4011] block nbd3: shutting down sockets [ 36.095865][ T4017] block nbd4: shutting down sockets [ 36.096013][ T4019] block nbd0: shutting down sockets [ 36.098242][ T4013] FAULT_INJECTION: forcing a failure. [ 36.098242][ T4013] name failslab, interval 1, probability 0, space 0, times 0 [ 36.106338][ T4019] FAULT_INJECTION: forcing a failure. [ 36.106338][ T4019] name failslab, interval 1, probability 0, space 0, times 0 [ 36.109120][ T4019] CPU: 0 PID: 4019 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.110942][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.113072][ T4019] Call trace: [ 36.113788][ T4019] dump_backtrace+0x0/0x530 [ 36.114814][ T4019] show_stack+0x2c/0x3c [ 36.115763][ T4019] dump_stack_lvl+0x108/0x170 [ 36.116848][ T4019] dump_stack+0x1c/0x58 [ 36.117794][ T4019] should_fail+0x3b8/0x514 [ 36.118825][ T4019] __should_failslab+0xbc/0x110 [ 36.119846][ T4019] should_failslab+0x10/0x28 [ 36.121009][ T4019] slab_pre_alloc_hook+0x64/0xe8 [ 36.122180][ T4019] __kmalloc+0xc0/0x4c8 [ 36.123163][ T4019] tomoyo_init_log+0x1578/0x19e4 [ 36.124292][ T4011] FAULT_INJECTION: forcing a failure. [ 36.124292][ T4011] name failslab, interval 1, probability 0, space 0, times 0 [ 36.124294][ T4019] tomoyo_supervisor+0x3ac/0x115c [ 36.127091][ T4019] tomoyo_path_number_perm+0x4c0/0x6b0 [ 36.127109][ T4019] tomoyo_file_ioctl+0x2c/0x3c [ 36.127119][ T4019] security_file_ioctl+0x80/0xbc [ 36.127130][ T4019] __arm64_sys_ioctl+0xa8/0x1c8 [ 36.127141][ T4019] invoke_syscall+0x98/0x2b8 [ 36.127153][ T4019] el0_svc_common+0x138/0x258 [ 36.134983][ T4019] do_el0_svc+0x58/0x14c [ 36.135862][ T4019] el0_svc+0x7c/0x1f0 [ 36.136732][ T4019] el0t_64_sync_handler+0x84/0xe4 executing program [ 36.137859][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 36.138760][ T4013] CPU: 1 PID: 4013 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.140432][ T4013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.142611][ T4013] Call trace: [ 36.143416][ T4013] dump_backtrace+0x0/0x530 [ 36.144531][ T4013] show_stack+0x2c/0x3c [ 36.145479][ T4013] dump_stack_lvl+0x108/0x170 [ 36.146500][ T4013] dump_stack+0x1c/0x58 [ 36.147418][ T4013] should_fail+0x3b8/0x514 [ 36.148403][ T4013] __should_failslab+0xbc/0x110 [ 36.149454][ T4013] should_failslab+0x10/0x28 [ 36.150567][ T4013] slab_pre_alloc_hook+0x64/0xe8 [ 36.151627][ T4013] __kmalloc+0xc0/0x4c8 [ 36.152541][ T4013] tomoyo_supervisor+0xce8/0x115c [ 36.153704][ T4013] tomoyo_path_number_perm+0x4c0/0x6b0 [ 36.154938][ T4013] tomoyo_file_ioctl+0x2c/0x3c [ 36.156174][ T4013] security_file_ioctl+0x80/0xbc [ 36.157296][ T4013] __arm64_sys_ioctl+0xa8/0x1c8 [ 36.158360][ T4013] invoke_syscall+0x98/0x2b8 [ 36.159416][ T4013] el0_svc_common+0x138/0x258 [ 36.160473][ T4013] do_el0_svc+0x58/0x14c [ 36.161520][ T4013] el0_svc+0x7c/0x1f0 [ 36.162406][ T4013] el0t_64_sync_handler+0x84/0xe4 [ 36.163606][ T4013] el0t_64_sync+0x1a0/0x1a4 [ 36.164600][ T4011] CPU: 0 PID: 4011 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.166626][ T4011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.169004][ T4011] Call trace: [ 36.169743][ T4011] dump_backtrace+0x0/0x530 [ 36.170789][ T4011] show_stack+0x2c/0x3c [ 36.171840][ T4011] dump_stack_lvl+0x108/0x170 [ 36.172962][ T4011] dump_stack+0x1c/0x58 [ 36.173947][ T4011] should_fail+0x3b8/0x514 [ 36.174949][ T4011] __should_failslab+0xbc/0x110 [ 36.176135][ T4011] should_failslab+0x10/0x28 [ 36.177177][ T4011] slab_pre_alloc_hook+0x64/0xe8 [ 36.178267][ T4011] kmem_cache_alloc+0x98/0x45c [ 36.179419][ T4011] new_inode_pseudo+0x110/0x200 [ 36.180531][ T4011] new_inode+0x38/0x174 [ 36.181479][ T4011] debugfs_create_dir+0xf0/0x420 [ 36.182644][ T4011] nbd_start_device+0x3bc/0xb34 [ 36.183824][ T4011] nbd_ioctl+0x420/0xc2c [ 36.184867][ T4011] blkdev_ioctl+0x3d8/0xbd0 [ 36.185866][ T4011] block_ioctl+0xa8/0x114 [ 36.186900][ T4011] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.188162][ T4011] invoke_syscall+0x98/0x2b8 [ 36.189254][ T4011] el0_svc_common+0x138/0x258 [ 36.190216][ T4011] do_el0_svc+0x58/0x14c [ 36.191195][ T4011] el0_svc+0x7c/0x1f0 [ 36.192139][ T4011] el0t_64_sync_handler+0x84/0xe4 [ 36.193319][ T4011] el0t_64_sync+0x1a0/0x1a4 [ 36.195354][ T4011] debugfs: out of free dentries, can not create directory 'nbd3' [ 36.197416][ T4017] FAULT_INJECTION: forcing a failure. [ 36.197416][ T4017] name failslab, interval 1, probability 0, space 0, times 0 [ 36.200319][ T4017] CPU: 0 PID: 4017 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.202164][ T4017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.204511][ T4017] Call trace: [ 36.205311][ T4017] dump_backtrace+0x0/0x530 [ 36.206280][ T4017] show_stack+0x2c/0x3c [ 36.207185][ T4017] dump_stack_lvl+0x108/0x170 [ 36.208203][ T4017] dump_stack+0x1c/0x58 [ 36.209114][ T4017] should_fail+0x3b8/0x514 [ 36.210071][ T4017] __should_failslab+0xbc/0x110 [ 36.211182][ T4017] should_failslab+0x10/0x28 [ 36.212279][ T4017] slab_pre_alloc_hook+0x64/0xe8 [ 36.213481][ T4017] kmem_cache_alloc+0x98/0x45c [ 36.214593][ T4017] __d_alloc+0x3c/0x6a8 [ 36.215558][ T4017] d_alloc_parallel+0xb8/0x11bc [ 36.216767][ T4017] __lookup_slow+0x108/0x388 [ 36.217786][ T4017] lookup_one_len+0x178/0x28c [ 36.218901][ T4017] start_creating+0x19c/0x2e0 [ 36.220008][ T4017] debugfs_create_dir+0x34/0x420 [ 36.221143][ T4017] nbd_start_device+0x3bc/0xb34 [ 36.222262][ T4017] nbd_ioctl+0x420/0xc2c [ 36.223303][ T4017] blkdev_ioctl+0x3d8/0xbd0 [ 36.224357][ T4017] block_ioctl+0xa8/0x114 [ 36.225322][ T4017] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.226382][ T4017] invoke_syscall+0x98/0x2b8 [ 36.227433][ T4017] el0_svc_common+0x138/0x258 [ 36.228509][ T4017] do_el0_svc+0x58/0x14c [ 36.229493][ T4017] el0_svc+0x7c/0x1f0 [ 36.230451][ T4017] el0t_64_sync_handler+0x84/0xe4 [ 36.231591][ T4017] el0t_64_sync+0x1a0/0x1a4 [ 36.232900][ T4011] block nbd3: Failed to create debugfs dir for 'nbd3' [ 36.235853][ T4017] block nbd4: Failed to create debugfs dir for 'nbd4' executing program executing program executing program executing program [ 36.276324][ T4024] block nbd2: shutting down sockets [ 36.283527][ T4024] FAULT_INJECTION: forcing a failure. [ 36.283527][ T4024] name failslab, interval 1, probability 0, space 0, times 0 [ 36.287944][ T4024] CPU: 1 PID: 4024 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.289982][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.292466][ T4024] Call trace: [ 36.293224][ T4024] dump_backtrace+0x0/0x530 [ 36.294290][ T4024] show_stack+0x2c/0x3c [ 36.295207][ T4024] dump_stack_lvl+0x108/0x170 [ 36.296316][ T4024] dump_stack+0x1c/0x58 [ 36.297307][ T4024] should_fail+0x3b8/0x514 [ 36.298281][ T4024] __should_failslab+0xbc/0x110 [ 36.299454][ T4024] should_failslab+0x10/0x28 [ 36.300552][ T4024] slab_pre_alloc_hook+0x64/0xe8 [ 36.301713][ T4024] kmem_cache_alloc+0x98/0x45c [ 36.302810][ T4024] new_inode_pseudo+0x110/0x200 [ 36.304008][ T4024] new_inode+0x38/0x174 [ 36.304935][ T4024] debugfs_create_dir+0xf0/0x420 [ 36.306089][ T4024] nbd_start_device+0x3bc/0xb34 [ 36.307196][ T4024] nbd_ioctl+0x420/0xc2c [ 36.308172][ T4024] blkdev_ioctl+0x3d8/0xbd0 [ 36.309279][ T4024] block_ioctl+0xa8/0x114 [ 36.310231][ T4024] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.311426][ T4024] invoke_syscall+0x98/0x2b8 [ 36.312563][ T4024] el0_svc_common+0x138/0x258 [ 36.313615][ T4024] do_el0_svc+0x58/0x14c [ 36.314531][ T4024] el0_svc+0x7c/0x1f0 [ 36.315447][ T4024] el0t_64_sync_handler+0x84/0xe4 [ 36.316563][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 36.318468][ T4024] debugfs: out of free dentries, can not create directory 'nbd2' [ 36.320644][ T4024] block nbd2: Failed to create debugfs dir for 'nbd2' [ 36.326053][ T4032] block nbd4: shutting down sockets [ 36.335275][ T4030] block nbd0: shutting down sockets [ 36.337912][ T4030] FAULT_INJECTION: forcing a failure. [ 36.337912][ T4030] name failslab, interval 1, probability 0, space 0, times 0 [ 36.340783][ T4030] CPU: 1 PID: 4030 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.342769][ T4030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.345248][ T4030] Call trace: [ 36.345414][ T4035] block nbd1: shutting down sockets [ 36.346014][ T4030] dump_backtrace+0x0/0x530 [ 36.346048][ T4030] show_stack+0x2c/0x3c [ 36.346059][ T4030] dump_stack_lvl+0x108/0x170 [ 36.346070][ T4030] dump_stack+0x1c/0x58 [ 36.351312][ T4030] should_fail+0x3b8/0x514 [ 36.352344][ T4030] __should_failslab+0xbc/0x110 [ 36.353421][ T4030] should_failslab+0x10/0x28 [ 36.354539][ T4030] slab_pre_alloc_hook+0x64/0xe8 [ 36.355754][ T4030] kmem_cache_alloc+0x98/0x45c [ 36.356855][ T4030] new_inode_pseudo+0x110/0x200 [ 36.358001][ T4030] new_inode+0x38/0x174 [ 36.358979][ T4030] debugfs_create_dir+0xf0/0x420 [ 36.360056][ T4030] nbd_start_device+0x3bc/0xb34 [ 36.361162][ T4030] nbd_ioctl+0x420/0xc2c [ 36.362145][ T4030] blkdev_ioctl+0x3d8/0xbd0 [ 36.363121][ T4030] block_ioctl+0xa8/0x114 [ 36.364098][ T4030] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.365354][ T4030] invoke_syscall+0x98/0x2b8 [ 36.365744][ T4033] block nbd3: shutting down sockets [ 36.366478][ T4030] el0_svc_common+0x138/0x258 [ 36.366494][ T4030] do_el0_svc+0x58/0x14c [ 36.366504][ T4030] el0_svc+0x7c/0x1f0 [ 36.366515][ T4030] el0t_64_sync_handler+0x84/0xe4 executing program [ 36.366525][ T4030] el0t_64_sync+0x1a0/0x1a4 [ 36.374887][ T4030] debugfs: out of free dentries, can not create directory 'nbd0' [ 36.376923][ T4032] FAULT_INJECTION: forcing a failure. [ 36.376923][ T4032] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 36.378153][ T4030] block nbd0: Failed to create debugfs dir for 'nbd0' [ 36.379999][ T4032] CPU: 1 PID: 4032 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.383419][ T4032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.385705][ T4032] Call trace: [ 36.386405][ T4032] dump_backtrace+0x0/0x530 [ 36.387488][ T4032] show_stack+0x2c/0x3c [ 36.388432][ T4032] dump_stack_lvl+0x108/0x170 [ 36.389616][ T4032] dump_stack+0x1c/0x58 [ 36.390579][ T4032] should_fail+0x3b8/0x514 [ 36.391610][ T4032] should_fail_alloc_page+0x74/0xa8 [ 36.392844][ T4032] prepare_alloc_pages+0x160/0x460 [ 36.393943][ T4032] __alloc_pages+0x138/0x674 [ 36.395070][ T4032] alloc_pages+0x368/0x5d4 [ 36.396153][ T4032] new_slab+0xec/0x56c [ 36.397061][ T4032] ___slab_alloc+0x6bc/0xdbc [ 36.398114][ T4032] kmem_cache_alloc+0x2d8/0x45c [ 36.399231][ T4032] __d_alloc+0x3c/0x6a8 [ 36.400192][ T4032] d_alloc_parallel+0xb8/0x11bc [ 36.401321][ T4032] __lookup_slow+0x108/0x388 [ 36.402353][ T4032] lookup_one_len+0x178/0x28c [ 36.403493][ T4032] start_creating+0x19c/0x2e0 [ 36.404623][ T4032] debugfs_create_dir+0x34/0x420 [ 36.405840][ T4032] nbd_start_device+0x3bc/0xb34 [ 36.407000][ T4032] nbd_ioctl+0x420/0xc2c [ 36.408003][ T4032] blkdev_ioctl+0x3d8/0xbd0 [ 36.409167][ T4032] block_ioctl+0xa8/0x114 [ 36.410195][ T4032] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.411359][ T4032] invoke_syscall+0x98/0x2b8 [ 36.412362][ T4032] el0_svc_common+0x138/0x258 [ 36.413506][ T4032] do_el0_svc+0x58/0x14c [ 36.414446][ T4032] el0_svc+0x7c/0x1f0 [ 36.415424][ T4032] el0t_64_sync_handler+0x84/0xe4 [ 36.416566][ T4032] el0t_64_sync+0x1a0/0x1a4 [ 36.419804][ T4031] FAULT_INJECTION: forcing a failure. [ 36.419804][ T4031] name failslab, interval 1, probability 0, space 0, times 0 [ 36.422931][ T4031] CPU: 1 PID: 4031 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.424831][ T4031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.427171][ T4031] Call trace: [ 36.427956][ T4031] dump_backtrace+0x0/0x530 [ 36.428962][ T4031] show_stack+0x2c/0x3c [ 36.429923][ T4031] dump_stack_lvl+0x108/0x170 [ 36.431012][ T4031] dump_stack+0x1c/0x58 [ 36.431927][ T4031] should_fail+0x3b8/0x514 [ 36.432937][ T4031] __should_failslab+0xbc/0x110 [ 36.434096][ T4031] should_failslab+0x10/0x28 [ 36.435196][ T4031] slab_pre_alloc_hook+0x64/0xe8 [ 36.436271][ T4031] kmem_cache_alloc+0x98/0x45c [ 36.437383][ T4031] new_inode_pseudo+0x110/0x200 [ 36.438558][ T4031] new_inode+0x38/0x174 [ 36.439517][ T4031] debugfs_create_dir+0xf0/0x420 executing program [ 36.440634][ T4031] nbd_start_device+0x3bc/0xb34 [ 36.441718][ T4031] nbd_ioctl+0x420/0xc2c [ 36.442687][ T4031] blkdev_ioctl+0x3d8/0xbd0 [ 36.443777][ T4031] block_ioctl+0xa8/0x114 [ 36.444789][ T4031] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.445900][ T4031] invoke_syscall+0x98/0x2b8 [ 36.446951][ T4031] el0_svc_common+0x138/0x258 [ 36.448013][ T4031] do_el0_svc+0x58/0x14c [ 36.448966][ T4031] el0_svc+0x7c/0x1f0 [ 36.449925][ T4031] el0t_64_sync_handler+0x84/0xe4 [ 36.451092][ T4031] el0t_64_sync+0x1a0/0x1a4 [ 36.455638][ T4031] debugfs: out of free dentries, can not create directory 'nbd1' [ 36.457747][ T4033] FAULT_INJECTION: forcing a failure. [ 36.457747][ T4033] name failslab, interval 1, probability 0, space 0, times 0 [ 36.458343][ T4031] block nbd1: Failed to create debugfs dir for 'nbd1' [ 36.460934][ T4033] CPU: 0 PID: 4033 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.464075][ T4033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.466336][ T4033] Call trace: [ 36.467022][ T4033] dump_backtrace+0x0/0x530 [ 36.468085][ T4033] show_stack+0x2c/0x3c [ 36.468972][ T4033] dump_stack_lvl+0x108/0x170 [ 36.469999][ T4033] dump_stack+0x1c/0x58 [ 36.471054][ T4033] should_fail+0x3b8/0x514 [ 36.472119][ T4033] __should_failslab+0xbc/0x110 [ 36.473202][ T4033] should_failslab+0x10/0x28 [ 36.474289][ T4033] slab_pre_alloc_hook+0x64/0xe8 [ 36.475193][ T4033] kmem_cache_alloc+0x98/0x45c [ 36.476062][ T4033] new_inode_pseudo+0x110/0x200 [ 36.476931][ T4033] new_inode+0x38/0x174 [ 36.477707][ T4033] debugfs_create_dir+0xf0/0x420 [ 36.478609][ T4033] nbd_start_device+0x3bc/0xb34 [ 36.479576][ T4033] nbd_ioctl+0x420/0xc2c [ 36.480583][ T4033] blkdev_ioctl+0x3d8/0xbd0 [ 36.481671][ T4033] block_ioctl+0xa8/0x114 [ 36.482681][ T4033] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.483875][ T4033] invoke_syscall+0x98/0x2b8 [ 36.484921][ T4033] el0_svc_common+0x138/0x258 [ 36.485970][ T4033] do_el0_svc+0x58/0x14c [ 36.486888][ T4033] el0_svc+0x7c/0x1f0 [ 36.487794][ T4033] el0t_64_sync_handler+0x84/0xe4 [ 36.488911][ T4033] el0t_64_sync+0x1a0/0x1a4 [ 36.491642][ T4037] block nbd2: shutting down sockets [ 36.492378][ T4033] debugfs: out of free dentries, can not create directory 'nbd3' [ 36.505037][ T4033] block nbd3: Failed to create debugfs dir for 'nbd3' executing program [ 36.515612][ T4037] FAULT_INJECTION: forcing a failure. [ 36.515612][ T4037] name failslab, interval 1, probability 0, space 0, times 0 [ 36.518784][ T4037] CPU: 0 PID: 4037 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.520627][ T4037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.522988][ T4037] Call trace: [ 36.523759][ T4037] dump_backtrace+0x0/0x530 [ 36.524738][ T4037] show_stack+0x2c/0x3c [ 36.525741][ T4037] dump_stack_lvl+0x108/0x170 executing program [ 36.526907][ T4037] dump_stack+0x1c/0x58 [ 36.527824][ T4037] should_fail+0x3b8/0x514 [ 36.528812][ T4037] __should_failslab+0xbc/0x110 [ 36.529997][ T4037] should_failslab+0x10/0x28 [ 36.531062][ T4037] slab_pre_alloc_hook+0x64/0xe8 [ 36.532200][ T4037] kmem_cache_alloc+0x98/0x45c [ 36.533357][ T4037] __d_alloc+0x3c/0x6a8 [ 36.534382][ T4037] d_alloc_parallel+0xb8/0x11bc [ 36.535551][ T4037] __lookup_slow+0x108/0x388 [ 36.536624][ T4037] lookup_one_len+0x178/0x28c [ 36.537718][ T4037] start_creating+0x19c/0x2e0 [ 36.538882][ T4037] debugfs_create_dir+0x34/0x420 [ 36.540108][ T4037] nbd_start_device+0x3bc/0xb34 [ 36.541321][ T4037] nbd_ioctl+0x420/0xc2c [ 36.542266][ T4037] blkdev_ioctl+0x3d8/0xbd0 [ 36.543371][ T4037] block_ioctl+0xa8/0x114 [ 36.544361][ T4037] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.545541][ T4037] invoke_syscall+0x98/0x2b8 [ 36.546593][ T4037] el0_svc_common+0x138/0x258 [ 36.547675][ T4037] do_el0_svc+0x58/0x14c [ 36.548659][ T4037] el0_svc+0x7c/0x1f0 [ 36.549638][ T4037] el0t_64_sync_handler+0x84/0xe4 [ 36.550858][ T4037] el0t_64_sync+0x1a0/0x1a4 executing program [ 36.556019][ T4037] block nbd2: Failed to create debugfs dir for 'nbd2' [ 36.566351][ T4047] block nbd0: shutting down sockets [ 36.576692][ T4041] FAULT_INJECTION: forcing a failure. [ 36.576692][ T4041] name failslab, interval 1, probability 0, space 0, times 0 [ 36.579563][ T4041] CPU: 0 PID: 4041 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 36.581449][ T4041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.583700][ T4041] Call trace: [ 36.584465][ T4041] dump_backtrace+0x0/0x530 [ 36.585532][ T4041] show_stack+0x2c/0x3c [ 36.586522][ T4041] dump_stack_lvl+0x108/0x170 [ 36.587658][ T4041] dump_stack+0x1c/0x58 [ 36.588642][ T4041] should_fail+0x3b8/0x514 [ 36.589658][ T4041] __should_failslab+0xbc/0x110 [ 36.590808][ T4041] should_failslab+0x10/0x28 [ 36.591915][ T4041] slab_pre_alloc_hook+0x64/0xe8 [ 36.593113][ T4041] kmem_cache_alloc+0x98/0x45c [ 36.594217][ T4041] new_inode_pseudo+0x110/0x200 [ 36.595298][ T4041] new_inode+0x38/0x174 [ 36.596246][ T4041] debugfs_create_dir+0xf0/0x420 [ 36.597375][ T4041] nbd_start_device+0x3bc/0xb34 [ 36.598579][ T4041] nbd_ioctl+0x420/0xc2c [ 36.599590][ T4041] blkdev_ioctl+0x3d8/0xbd0 [ 36.600623][ T4041] block_ioctl+0xa8/0x114 [ 36.601700][ T4041] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.602873][ T4041] invoke_syscall+0x98/0x2b8 [ 36.603950][ T4041] el0_svc_common+0x138/0x258 [ 36.605106][ T4041] do_el0_svc+0x58/0x14c [ 36.606168][ T4041] el0_svc+0x7c/0x1f0 [ 36.607124][ T4041] el0t_64_sync_handler+0x84/0xe4 [ 36.608280][ T4041] el0t_64_sync+0x1a0/0x1a4 [ 36.612863][ T4041] debugfs: out of free dentries, can not create directory 'nbd0' [ 36.614928][ T4041] block nbd0: Failed to create debugfs dir for 'nbd0' [ 36.626114][ T4045] block nbd1: shutting down sockets executing program [ 36.635002][ T4045] FAULT_INJECTION: forcing a failure. [ 36.635002][ T4045] name failslab, interval 1, probability 0, space 0, times 0 [ 36.638187][ T4045] CPU: 1 PID: 4045 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.640142][ T4045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.642332][ T4045] Call trace: [ 36.643013][ T4045] dump_backtrace+0x0/0x530 [ 36.644069][ T4045] show_stack+0x2c/0x3c [ 36.645042][ T4045] dump_stack_lvl+0x108/0x170 [ 36.645548][ T4049] block nbd4: shutting down sockets [ 36.646122][ T4045] dump_stack+0x1c/0x58 [ 36.646137][ T4045] should_fail+0x3b8/0x514 [ 36.646149][ T4045] __should_failslab+0xbc/0x110 [ 36.646160][ T4045] should_failslab+0x10/0x28 [ 36.646170][ T4045] slab_pre_alloc_hook+0x64/0xe8 [ 36.652689][ T4045] kmem_cache_alloc+0x98/0x45c [ 36.653827][ T4045] new_inode_pseudo+0x110/0x200 [ 36.654941][ T4045] new_inode+0x38/0x174 [ 36.655927][ T4045] debugfs_create_dir+0xf0/0x420 [ 36.656697][ T4048] block nbd3: shutting down sockets [ 36.657108][ T4045] nbd_start_device+0x3bc/0xb34 [ 36.659413][ T4045] nbd_ioctl+0x420/0xc2c [ 36.660437][ T4045] blkdev_ioctl+0x3d8/0xbd0 [ 36.661489][ T4045] block_ioctl+0xa8/0x114 [ 36.662432][ T4045] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.663575][ T4045] invoke_syscall+0x98/0x2b8 [ 36.664734][ T4045] el0_svc_common+0x138/0x258 [ 36.665859][ T4045] do_el0_svc+0x58/0x14c [ 36.666842][ T4045] el0_svc+0x7c/0x1f0 [ 36.667757][ T4045] el0t_64_sync_handler+0x84/0xe4 [ 36.668938][ T4045] el0t_64_sync+0x1a0/0x1a4 [ 36.670247][ T4045] debugfs: out of free dentries, can not create directory 'nbd1' [ 36.672225][ T4045] block nbd1: Failed to create debugfs dir for 'nbd1' [ 36.672285][ T4043] FAULT_INJECTION: forcing a failure. [ 36.672285][ T4043] name failslab, interval 1, probability 0, space 0, times 0 [ 36.678569][ T4043] CPU: 0 PID: 4043 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.680497][ T4043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.682809][ T4043] Call trace: [ 36.683678][ T4043] dump_backtrace+0x0/0x530 [ 36.684830][ T4043] show_stack+0x2c/0x3c [ 36.685801][ T4043] dump_stack_lvl+0x108/0x170 [ 36.686931][ T4043] dump_stack+0x1c/0x58 [ 36.687917][ T4043] should_fail+0x3b8/0x514 [ 36.688857][ T4043] __should_failslab+0xbc/0x110 [ 36.690019][ T4043] should_failslab+0x10/0x28 executing program [ 36.691101][ T4043] slab_pre_alloc_hook+0x64/0xe8 [ 36.692286][ T4043] kmem_cache_alloc+0x98/0x45c [ 36.693403][ T4043] new_inode_pseudo+0x110/0x200 [ 36.694514][ T4043] new_inode+0x38/0x174 [ 36.695723][ T4043] debugfs_create_dir+0xf0/0x420 [ 36.696908][ T4043] nbd_start_device+0x3bc/0xb34 [ 36.698024][ T4043] nbd_ioctl+0x420/0xc2c [ 36.699011][ T4043] blkdev_ioctl+0x3d8/0xbd0 [ 36.700084][ T4043] block_ioctl+0xa8/0x114 [ 36.701255][ T4043] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.702360][ T4043] invoke_syscall+0x98/0x2b8 [ 36.703411][ T4043] el0_svc_common+0x138/0x258 [ 36.704531][ T4043] do_el0_svc+0x58/0x14c [ 36.705450][ T4043] el0_svc+0x7c/0x1f0 [ 36.706354][ T4043] el0t_64_sync_handler+0x84/0xe4 [ 36.707452][ T4043] el0t_64_sync+0x1a0/0x1a4 [ 36.710908][ T4043] debugfs: out of free dentries, can not create directory 'nbd4' [ 36.712133][ T4058] block nbd2: shutting down sockets [ 36.713230][ T4048] FAULT_INJECTION: forcing a failure. [ 36.713230][ T4048] name failslab, interval 1, probability 0, space 0, times 0 [ 36.717665][ T4048] CPU: 1 PID: 4048 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.719553][ T4048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.721858][ T4048] Call trace: [ 36.722639][ T4048] dump_backtrace+0x0/0x530 [ 36.723662][ T4048] show_stack+0x2c/0x3c [ 36.724613][ T4048] dump_stack_lvl+0x108/0x170 [ 36.725685][ T4048] dump_stack+0x1c/0x58 [ 36.726600][ T4048] should_fail+0x3b8/0x514 [ 36.727711][ T4048] __should_failslab+0xbc/0x110 [ 36.728951][ T4048] should_failslab+0x10/0x28 [ 36.730043][ T4048] slab_pre_alloc_hook+0x64/0xe8 [ 36.731247][ T4048] kmem_cache_alloc+0x98/0x45c [ 36.732383][ T4048] new_inode_pseudo+0x110/0x200 [ 36.733454][ T4048] new_inode+0x38/0x174 [ 36.734410][ T4048] debugfs_create_dir+0xf0/0x420 [ 36.735543][ T4048] nbd_start_device+0x3bc/0xb34 [ 36.736652][ T4048] nbd_ioctl+0x420/0xc2c [ 36.737360][ T4043] block nbd4: Failed to create debugfs dir for 'nbd4' [ 36.737589][ T4048] blkdev_ioctl+0x3d8/0xbd0 [ 36.740224][ T4048] block_ioctl+0xa8/0x114 [ 36.741208][ T4048] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.742302][ T4048] invoke_syscall+0x98/0x2b8 [ 36.743428][ T4048] el0_svc_common+0x138/0x258 [ 36.744470][ T4048] do_el0_svc+0x58/0x14c [ 36.745408][ T4048] el0_svc+0x7c/0x1f0 [ 36.746297][ T4048] el0t_64_sync_handler+0x84/0xe4 [ 36.747519][ T4048] el0t_64_sync+0x1a0/0x1a4 [ 36.749552][ T4048] debugfs: out of free dentries, can not create directory 'nbd3' [ 36.751738][ T4051] FAULT_INJECTION: forcing a failure. [ 36.751738][ T4051] name failslab, interval 1, probability 0, space 0, times 0 [ 36.755212][ T4051] CPU: 1 PID: 4051 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.757143][ T4051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.759369][ T4051] Call trace: [ 36.760167][ T4051] dump_backtrace+0x0/0x530 [ 36.761206][ T4051] show_stack+0x2c/0x3c [ 36.762121][ T4051] dump_stack_lvl+0x108/0x170 [ 36.763123][ T4051] dump_stack+0x1c/0x58 [ 36.764076][ T4051] should_fail+0x3b8/0x514 [ 36.765116][ T4051] __should_failslab+0xbc/0x110 [ 36.765363][ T4048] block nbd3: Failed to create debugfs dir for 'nbd3' [ 36.766237][ T4051] should_failslab+0x10/0x28 [ 36.769144][ T4051] slab_pre_alloc_hook+0x64/0xe8 [ 36.770393][ T4051] kmem_cache_alloc+0x98/0x45c [ 36.771531][ T4051] new_inode_pseudo+0x110/0x200 [ 36.772702][ T4051] new_inode+0x38/0x174 [ 36.773641][ T4051] debugfs_create_dir+0xf0/0x420 [ 36.774750][ T4051] nbd_start_device+0x3bc/0xb34 [ 36.775901][ T4051] nbd_ioctl+0x420/0xc2c [ 36.776895][ T4051] blkdev_ioctl+0x3d8/0xbd0 [ 36.777836][ T4051] block_ioctl+0xa8/0x114 [ 36.778736][ T4051] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.779880][ T4051] invoke_syscall+0x98/0x2b8 [ 36.780871][ T4051] el0_svc_common+0x138/0x258 [ 36.781919][ T4051] do_el0_svc+0x58/0x14c [ 36.782921][ T4051] el0_svc+0x7c/0x1f0 [ 36.783855][ T4051] el0t_64_sync_handler+0x84/0xe4 [ 36.785000][ T4051] el0t_64_sync+0x1a0/0x1a4 [ 36.787086][ T4051] debugfs: out of free dentries, can not create directory 'nbd2' [ 36.788846][ T4051] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 36.798340][ T4055] block nbd0: shutting down sockets [ 36.807432][ T4054] FAULT_INJECTION: forcing a failure. [ 36.807432][ T4054] name failslab, interval 1, probability 0, space 0, times 0 [ 36.810397][ T4054] CPU: 1 PID: 4054 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.812325][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.814627][ T4054] Call trace: [ 36.815395][ T4054] dump_backtrace+0x0/0x530 [ 36.816420][ T4054] show_stack+0x2c/0x3c [ 36.817407][ T4054] dump_stack_lvl+0x108/0x170 [ 36.818543][ T4054] dump_stack+0x1c/0x58 [ 36.819458][ T4054] should_fail+0x3b8/0x514 executing program [ 36.820497][ T4054] __should_failslab+0xbc/0x110 [ 36.821689][ T4054] should_failslab+0x10/0x28 executing program [ 36.822774][ T4054] slab_pre_alloc_hook+0x64/0xe8 [ 36.823913][ T4054] kmem_cache_alloc+0x98/0x45c [ 36.825065][ T4054] new_inode_pseudo+0x110/0x200 [ 36.826271][ T4054] new_inode+0x38/0x174 [ 36.827245][ T4054] debugfs_create_dir+0xf0/0x420 [ 36.828350][ T4054] nbd_start_device+0x3bc/0xb34 [ 36.829506][ T4054] nbd_ioctl+0x420/0xc2c [ 36.830501][ T4054] blkdev_ioctl+0x3d8/0xbd0 [ 36.831576][ T4054] block_ioctl+0xa8/0x114 [ 36.832605][ T4054] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.833732][ T4054] invoke_syscall+0x98/0x2b8 [ 36.834744][ T4054] el0_svc_common+0x138/0x258 [ 36.835819][ T4054] do_el0_svc+0x58/0x14c [ 36.836839][ T4054] el0_svc+0x7c/0x1f0 [ 36.837823][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 36.838936][ T4054] el0t_64_sync+0x1a0/0x1a4 [ 36.840165][ T4054] debugfs: out of free dentries, can not create directory 'nbd0' [ 36.842023][ T4054] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 36.865792][ T4059] block nbd1: shutting down sockets [ 36.877600][ T4057] FAULT_INJECTION: forcing a failure. [ 36.877600][ T4057] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 36.880777][ T4057] CPU: 1 PID: 4057 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.882908][ T4057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.885206][ T4057] Call trace: [ 36.885508][ T4061] block nbd4: shutting down sockets [ 36.885930][ T4057] dump_backtrace+0x0/0x530 [ 36.885951][ T4057] show_stack+0x2c/0x3c [ 36.885961][ T4057] dump_stack_lvl+0x108/0x170 [ 36.890482][ T4057] dump_stack+0x1c/0x58 [ 36.891440][ T4057] should_fail+0x3b8/0x514 [ 36.892516][ T4057] should_fail_alloc_page+0x74/0xa8 [ 36.893765][ T4057] prepare_alloc_pages+0x160/0x460 [ 36.894993][ T4057] __alloc_pages+0x138/0x674 [ 36.896104][ T4057] alloc_pages+0x368/0x5d4 [ 36.897202][ T4057] new_slab+0xec/0x56c [ 36.898149][ T4057] ___slab_alloc+0x6bc/0xdbc [ 36.899280][ T4057] kmem_cache_alloc+0x2d8/0x45c [ 36.900406][ T4057] __d_alloc+0x3c/0x6a8 [ 36.901445][ T4057] d_alloc_parallel+0xb8/0x11bc [ 36.902611][ T4057] __lookup_slow+0x108/0x388 [ 36.903645][ T4057] lookup_one_len+0x178/0x28c [ 36.904674][ T4057] start_creating+0x19c/0x2e0 [ 36.905766][ T4057] debugfs_create_dir+0x34/0x420 [ 36.906849][ T4057] nbd_start_device+0x3bc/0xb34 [ 36.907984][ T4057] nbd_ioctl+0x420/0xc2c [ 36.909003][ T4057] blkdev_ioctl+0x3d8/0xbd0 [ 36.910070][ T4057] block_ioctl+0xa8/0x114 [ 36.911099][ T4057] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.912218][ T4057] invoke_syscall+0x98/0x2b8 [ 36.913218][ T4057] el0_svc_common+0x138/0x258 [ 36.914331][ T4057] do_el0_svc+0x58/0x14c [ 36.915307][ T4057] el0_svc+0x7c/0x1f0 [ 36.916190][ T4057] el0t_64_sync_handler+0x84/0xe4 [ 36.917353][ T4057] el0t_64_sync+0x1a0/0x1a4 [ 36.920987][ T4061] FAULT_INJECTION: forcing a failure. [ 36.920987][ T4061] name failslab, interval 1, probability 0, space 0, times 0 [ 36.924165][ T4061] CPU: 0 PID: 4061 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.925152][ T4070] block nbd0: shutting down sockets [ 36.926162][ T4061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.926173][ T4061] Call trace: [ 36.926177][ T4061] dump_backtrace+0x0/0x530 [ 36.926194][ T4061] show_stack+0x2c/0x3c [ 36.932391][ T4061] dump_stack_lvl+0x108/0x170 [ 36.933485][ T4061] dump_stack+0x1c/0x58 [ 36.934440][ T4061] should_fail+0x3b8/0x514 [ 36.935429][ T4061] __should_failslab+0xbc/0x110 [ 36.936463][ T4061] should_failslab+0x10/0x28 [ 36.937487][ T4061] slab_pre_alloc_hook+0x64/0xe8 [ 36.938571][ T4061] kmem_cache_alloc+0x98/0x45c [ 36.939661][ T4061] new_inode_pseudo+0x110/0x200 [ 36.940758][ T4061] new_inode+0x38/0x174 [ 36.941747][ T4061] debugfs_create_dir+0xf0/0x420 [ 36.942874][ T4061] nbd_start_device+0x3bc/0xb34 [ 36.944017][ T4061] nbd_ioctl+0x420/0xc2c [ 36.944934][ T4061] blkdev_ioctl+0x3d8/0xbd0 [ 36.946041][ T4061] block_ioctl+0xa8/0x114 [ 36.946999][ T4061] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.948136][ T4061] invoke_syscall+0x98/0x2b8 [ 36.949176][ T4061] el0_svc_common+0x138/0x258 [ 36.950250][ T4061] do_el0_svc+0x58/0x14c [ 36.951209][ T4061] el0_svc+0x7c/0x1f0 [ 36.952048][ T4061] el0t_64_sync_handler+0x84/0xe4 [ 36.953277][ T4061] el0t_64_sync+0x1a0/0x1a4 [ 36.955467][ T4061] debugfs: out of free dentries, can not create directory 'nbd4' [ 36.957942][ T4067] FAULT_INJECTION: forcing a failure. [ 36.957942][ T4067] name failslab, interval 1, probability 0, space 0, times 0 [ 36.961106][ T4067] CPU: 1 PID: 4067 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 36.963187][ T4067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 36.965507][ T4067] Call trace: [ 36.966255][ T4067] dump_backtrace+0x0/0x530 [ 36.967260][ T4067] show_stack+0x2c/0x3c [ 36.968263][ T4067] dump_stack_lvl+0x108/0x170 [ 36.969377][ T4067] dump_stack+0x1c/0x58 [ 36.970391][ T4067] should_fail+0x3b8/0x514 [ 36.971383][ T4067] __should_failslab+0xbc/0x110 [ 36.972539][ T4067] should_failslab+0x10/0x28 [ 36.973569][ T4067] slab_pre_alloc_hook+0x64/0xe8 [ 36.974680][ T4067] kmem_cache_alloc+0x98/0x45c [ 36.975281][ T4061] block nbd4: Failed to create debugfs dir for 'nbd4' [ 36.975844][ T4067] new_inode_pseudo+0x110/0x200 [ 36.978571][ T4067] new_inode+0x38/0x174 [ 36.979511][ T4067] debugfs_create_dir+0xf0/0x420 [ 36.980667][ T4067] nbd_start_device+0x3bc/0xb34 [ 36.981860][ T4067] nbd_ioctl+0x420/0xc2c [ 36.982834][ T4067] blkdev_ioctl+0x3d8/0xbd0 [ 36.983940][ T4067] block_ioctl+0xa8/0x114 executing program [ 36.984882][ T4067] __arm64_sys_ioctl+0x14c/0x1c8 [ 36.986070][ T4067] invoke_syscall+0x98/0x2b8 [ 36.987068][ T4067] el0_svc_common+0x138/0x258 [ 36.988169][ T4067] do_el0_svc+0x58/0x14c executing program [ 36.989193][ T4067] el0_svc+0x7c/0x1f0 [ 36.990163][ T4067] el0t_64_sync_handler+0x84/0xe4 [ 36.991288][ T4067] el0t_64_sync+0x1a0/0x1a4 [ 36.995087][ T4071] block nbd3: shutting down sockets [ 36.997276][ T4069] block nbd2: shutting down sockets [ 37.006279][ T4065] FAULT_INJECTION: forcing a failure. [ 37.006279][ T4065] name failslab, interval 1, probability 0, space 0, times 0 [ 37.009483][ T4065] CPU: 0 PID: 4065 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.011366][ T4065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.013487][ T4065] Call trace: [ 37.014288][ T4065] dump_backtrace+0x0/0x530 [ 37.015305][ T4065] show_stack+0x2c/0x3c [ 37.016000][ T4067] debugfs: out of free dentries, can not create directory 'nbd0' [ 37.016274][ T4065] dump_stack_lvl+0x108/0x170 [ 37.018552][ T4067] block nbd0: Failed to create debugfs dir for 'nbd0' [ 37.019285][ T4065] dump_stack+0x1c/0x58 [ 37.021696][ T4065] should_fail+0x3b8/0x514 [ 37.022767][ T4065] __should_failslab+0xbc/0x110 [ 37.023870][ T4065] should_failslab+0x10/0x28 [ 37.024898][ T4065] slab_pre_alloc_hook+0x64/0xe8 [ 37.025978][ T4065] kmem_cache_alloc+0x98/0x45c [ 37.027059][ T4065] radix_tree_node_alloc+0x184/0x360 [ 37.028218][ T4065] idr_get_free+0x240/0x8b0 [ 37.029279][ T4065] idr_alloc_cyclic+0x18c/0x4f4 [ 37.030374][ T4065] __kernfs_new_node+0x124/0x684 [ 37.031409][ T4065] kernfs_new_node+0x98/0x194 [ 37.032553][ T4065] __kernfs_create_file+0x60/0x2d4 [ 37.033672][ T4065] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 37.034939][ T4065] sysfs_create_file_ns+0x144/0x254 [ 37.036109][ T4065] device_create_file+0xfc/0x1b0 [ 37.037205][ T4065] nbd_start_device+0x340/0xb34 [ 37.038273][ T4065] nbd_ioctl+0x420/0xc2c [ 37.039171][ T4065] blkdev_ioctl+0x3d8/0xbd0 [ 37.040165][ T4065] block_ioctl+0xa8/0x114 [ 37.041165][ T4065] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.042370][ T4065] invoke_syscall+0x98/0x2b8 [ 37.043469][ T4065] el0_svc_common+0x138/0x258 [ 37.044528][ T4065] do_el0_svc+0x58/0x14c [ 37.045594][ T4065] el0_svc+0x7c/0x1f0 [ 37.046533][ T4065] el0t_64_sync_handler+0x84/0xe4 [ 37.047691][ T4065] el0t_64_sync+0x1a0/0x1a4 [ 37.057887][ T4076] FAULT_INJECTION: forcing a failure. [ 37.057887][ T4076] name failslab, interval 1, probability 0, space 0, times 0 [ 37.060910][ T4076] CPU: 0 PID: 4076 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.062838][ T4076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.065082][ T4076] Call trace: [ 37.065827][ T4076] dump_backtrace+0x0/0x530 [ 37.066906][ T4076] show_stack+0x2c/0x3c [ 37.067815][ T4076] dump_stack_lvl+0x108/0x170 [ 37.068853][ T4076] dump_stack+0x1c/0x58 [ 37.069782][ T4076] should_fail+0x3b8/0x514 [ 37.070866][ T4076] __should_failslab+0xbc/0x110 [ 37.071971][ T4076] should_failslab+0x10/0x28 [ 37.073107][ T4076] slab_pre_alloc_hook+0x64/0xe8 [ 37.074223][ T4076] kmem_cache_alloc+0x98/0x45c [ 37.075408][ T4076] __d_alloc+0x3c/0x6a8 [ 37.076406][ T4076] d_alloc_parallel+0xb8/0x11bc [ 37.077495][ T4076] __lookup_slow+0x108/0x388 [ 37.078513][ T4076] lookup_one_len+0x178/0x28c [ 37.079576][ T4076] start_creating+0x19c/0x2e0 [ 37.080682][ T4076] debugfs_create_dir+0x34/0x420 [ 37.081861][ T4076] nbd_start_device+0x3bc/0xb34 executing program executing program [ 37.083067][ T4076] nbd_ioctl+0x420/0xc2c [ 37.084058][ T4076] blkdev_ioctl+0x3d8/0xbd0 [ 37.085203][ T4076] block_ioctl+0xa8/0x114 [ 37.086144][ T4076] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.087399][ T4076] invoke_syscall+0x98/0x2b8 [ 37.088493][ T4076] el0_svc_common+0x138/0x258 [ 37.089579][ T4076] do_el0_svc+0x58/0x14c [ 37.090560][ T4076] el0_svc+0x7c/0x1f0 [ 37.091497][ T4076] el0t_64_sync_handler+0x84/0xe4 [ 37.092698][ T4076] el0t_64_sync+0x1a0/0x1a4 [ 37.098716][ T4076] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 37.126606][ T4075] block nbd4: shutting down sockets [ 37.135453][ T4074] block nbd1: shutting down sockets [ 37.146064][ T4075] FAULT_INJECTION: forcing a failure. [ 37.146064][ T4075] name failslab, interval 1, probability 0, space 0, times 0 [ 37.149416][ T4075] CPU: 1 PID: 4075 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.151416][ T4075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.153782][ T4075] Call trace: [ 37.154601][ T4075] dump_backtrace+0x0/0x530 [ 37.155691][ T4075] show_stack+0x2c/0x3c [ 37.156686][ T4075] dump_stack_lvl+0x108/0x170 [ 37.157757][ T4075] dump_stack+0x1c/0x58 [ 37.158673][ T4075] should_fail+0x3b8/0x514 [ 37.159743][ T4075] __should_failslab+0xbc/0x110 [ 37.160948][ T4075] should_failslab+0x10/0x28 [ 37.161996][ T4075] slab_pre_alloc_hook+0x64/0xe8 [ 37.163070][ T4075] kmem_cache_alloc+0x98/0x45c [ 37.164191][ T4075] __d_alloc+0x3c/0x6a8 [ 37.165157][ T4075] d_alloc_parallel+0xb8/0x11bc [ 37.166267][ T4075] __lookup_slow+0x108/0x388 [ 37.167291][ T4075] lookup_one_len+0x178/0x28c [ 37.168335][ T4075] start_creating+0x19c/0x2e0 [ 37.169455][ T4075] debugfs_create_dir+0x34/0x420 [ 37.170603][ T4075] nbd_start_device+0x3bc/0xb34 [ 37.171810][ T4075] nbd_ioctl+0x420/0xc2c [ 37.172858][ T4075] blkdev_ioctl+0x3d8/0xbd0 [ 37.173859][ T4075] block_ioctl+0xa8/0x114 [ 37.174861][ T4075] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.176196][ T4075] invoke_syscall+0x98/0x2b8 [ 37.177219][ T4075] el0_svc_common+0x138/0x258 [ 37.178330][ T4075] do_el0_svc+0x58/0x14c [ 37.179326][ T4075] el0_svc+0x7c/0x1f0 [ 37.180299][ T4075] el0t_64_sync_handler+0x84/0xe4 [ 37.181436][ T4075] el0t_64_sync+0x1a0/0x1a4 [ 37.183701][ T4075] block nbd4: Failed to create debugfs dir for 'nbd4' [ 37.185825][ T4074] FAULT_INJECTION: forcing a failure. [ 37.185825][ T4074] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 37.196198][ T4082] block nbd0: shutting down sockets [ 37.205343][ T4074] CPU: 0 PID: 4074 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.207351][ T4074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.209737][ T4074] Call trace: [ 37.210535][ T4074] dump_backtrace+0x0/0x530 [ 37.211642][ T4074] show_stack+0x2c/0x3c [ 37.212569][ T4074] dump_stack_lvl+0x108/0x170 [ 37.213623][ T4074] dump_stack+0x1c/0x58 [ 37.214529][ T4074] should_fail+0x3b8/0x514 [ 37.215256][ T4087] block nbd2: shutting down sockets [ 37.215573][ T4074] __should_failslab+0xbc/0x110 [ 37.215591][ T4074] should_failslab+0x10/0x28 [ 37.218886][ T4074] slab_pre_alloc_hook+0x64/0xe8 [ 37.220049][ T4074] kmem_cache_alloc+0x98/0x45c [ 37.221111][ T4074] new_inode_pseudo+0x110/0x200 [ 37.222244][ T4074] new_inode+0x38/0x174 [ 37.223148][ T4074] debugfs_create_dir+0xf0/0x420 [ 37.224254][ T4074] nbd_start_device+0x3bc/0xb34 [ 37.225433][ T4074] nbd_ioctl+0x420/0xc2c [ 37.226389][ T4074] blkdev_ioctl+0x3d8/0xbd0 [ 37.227094][ T4086] block nbd3: shutting down sockets [ 37.227432][ T4074] block_ioctl+0xa8/0x114 [ 37.229848][ T4074] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.230986][ T4074] invoke_syscall+0x98/0x2b8 [ 37.232194][ T4074] el0_svc_common+0x138/0x258 [ 37.233266][ T4074] do_el0_svc+0x58/0x14c [ 37.234256][ T4074] el0_svc+0x7c/0x1f0 [ 37.235196][ T4074] el0t_64_sync_handler+0x84/0xe4 [ 37.236341][ T4074] el0t_64_sync+0x1a0/0x1a4 [ 37.238853][ T4074] debugfs: out of free dentries, can not create directory 'nbd1' [ 37.241037][ T4082] FAULT_INJECTION: forcing a failure. [ 37.241037][ T4082] name failslab, interval 1, probability 0, space 0, times 0 [ 37.242174][ T4074] block nbd1: Failed to create debugfs dir for 'nbd1' [ 37.244301][ T4082] CPU: 1 PID: 4082 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.247504][ T4082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.249790][ T4082] Call trace: [ 37.250517][ T4082] dump_backtrace+0x0/0x530 [ 37.251511][ T4082] show_stack+0x2c/0x3c [ 37.252478][ T4082] dump_stack_lvl+0x108/0x170 [ 37.253581][ T4082] dump_stack+0x1c/0x58 [ 37.254607][ T4082] should_fail+0x3b8/0x514 [ 37.255682][ T4082] __should_failslab+0xbc/0x110 [ 37.256790][ T4082] should_failslab+0x10/0x28 [ 37.257774][ T4082] slab_pre_alloc_hook+0x64/0xe8 [ 37.258978][ T4082] kmem_cache_alloc+0x98/0x45c [ 37.260045][ T4082] new_inode_pseudo+0x110/0x200 [ 37.261207][ T4082] new_inode+0x38/0x174 [ 37.262208][ T4082] debugfs_create_dir+0xf0/0x420 [ 37.263326][ T4082] nbd_start_device+0x3bc/0xb34 [ 37.264449][ T4082] nbd_ioctl+0x420/0xc2c [ 37.265472][ T4082] blkdev_ioctl+0x3d8/0xbd0 [ 37.266509][ T4082] block_ioctl+0xa8/0x114 [ 37.267596][ T4082] __arm64_sys_ioctl+0x14c/0x1c8 executing program [ 37.268783][ T4082] invoke_syscall+0x98/0x2b8 [ 37.269916][ T4082] el0_svc_common+0x138/0x258 [ 37.270976][ T4082] do_el0_svc+0x58/0x14c [ 37.271962][ T4082] el0_svc+0x7c/0x1f0 [ 37.272845][ T4082] el0t_64_sync_handler+0x84/0xe4 [ 37.274017][ T4082] el0t_64_sync+0x1a0/0x1a4 [ 37.276210][ T4082] debugfs: out of free dentries, can not create directory 'nbd0' [ 37.278401][ T4084] FAULT_INJECTION: forcing a failure. [ 37.278401][ T4084] name failslab, interval 1, probability 0, space 0, times 0 [ 37.279668][ T4082] block nbd0: Failed to create debugfs dir for 'nbd0' [ 37.281954][ T4084] CPU: 1 PID: 4084 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.284837][ T4084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.287140][ T4084] Call trace: [ 37.287919][ T4084] dump_backtrace+0x0/0x530 [ 37.289012][ T4084] show_stack+0x2c/0x3c [ 37.289979][ T4084] dump_stack_lvl+0x108/0x170 [ 37.291150][ T4084] dump_stack+0x1c/0x58 [ 37.292146][ T4084] should_fail+0x3b8/0x514 [ 37.293173][ T4084] __should_failslab+0xbc/0x110 [ 37.294285][ T4084] should_failslab+0x10/0x28 [ 37.295244][ T4084] slab_pre_alloc_hook+0x64/0xe8 [ 37.296498][ T4084] kmem_cache_alloc+0x98/0x45c [ 37.297598][ T4084] new_inode_pseudo+0x110/0x200 [ 37.298734][ T4084] new_inode+0x38/0x174 [ 37.299604][ T4084] debugfs_create_dir+0xf0/0x420 [ 37.300737][ T4084] nbd_start_device+0x3bc/0xb34 [ 37.301804][ T4084] nbd_ioctl+0x420/0xc2c [ 37.302845][ T4084] blkdev_ioctl+0x3d8/0xbd0 [ 37.303888][ T4084] block_ioctl+0xa8/0x114 [ 37.304816][ T4084] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.306004][ T4084] invoke_syscall+0x98/0x2b8 [ 37.307130][ T4084] el0_svc_common+0x138/0x258 [ 37.308193][ T4084] do_el0_svc+0x58/0x14c [ 37.309160][ T4084] el0_svc+0x7c/0x1f0 [ 37.310119][ T4084] el0t_64_sync_handler+0x84/0xe4 [ 37.311297][ T4084] el0t_64_sync+0x1a0/0x1a4 [ 37.314780][ T4084] debugfs: out of free dentries, can not create directory 'nbd2' [ 37.316985][ T4084] block nbd2: Failed to create debugfs dir for 'nbd2' [ 37.324043][ T4081] FAULT_INJECTION: forcing a failure. [ 37.324043][ T4081] name failslab, interval 1, probability 0, space 0, times 0 [ 37.329717][ T4081] CPU: 0 PID: 4081 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.331670][ T4081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.333841][ T4081] Call trace: [ 37.334537][ T4081] dump_backtrace+0x0/0x530 [ 37.335591][ T4081] show_stack+0x2c/0x3c [ 37.336561][ T4081] dump_stack_lvl+0x108/0x170 executing program [ 37.337601][ T4081] dump_stack+0x1c/0x58 [ 37.338570][ T4081] should_fail+0x3b8/0x514 [ 37.339657][ T4081] __should_failslab+0xbc/0x110 [ 37.340760][ T4081] should_failslab+0x10/0x28 [ 37.341889][ T4081] slab_pre_alloc_hook+0x64/0xe8 [ 37.343067][ T4081] kmem_cache_alloc+0x98/0x45c [ 37.344167][ T4081] new_inode_pseudo+0x110/0x200 [ 37.345264][ T4081] new_inode+0x38/0x174 [ 37.346213][ T4081] debugfs_create_dir+0xf0/0x420 [ 37.347378][ T4081] nbd_start_device+0x3bc/0xb34 [ 37.348585][ T4081] nbd_ioctl+0x420/0xc2c [ 37.349567][ T4081] blkdev_ioctl+0x3d8/0xbd0 [ 37.350551][ T4081] block_ioctl+0xa8/0x114 [ 37.351623][ T4081] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.352884][ T4081] invoke_syscall+0x98/0x2b8 [ 37.354170][ T4081] el0_svc_common+0x138/0x258 [ 37.355385][ T4081] do_el0_svc+0x58/0x14c [ 37.356480][ T4081] el0_svc+0x7c/0x1f0 [ 37.357455][ T4081] el0t_64_sync_handler+0x84/0xe4 [ 37.358751][ T4081] el0t_64_sync+0x1a0/0x1a4 executing program [ 37.361464][ T4081] debugfs: out of free dentries, can not create directory 'nbd3' [ 37.363600][ T4081] block nbd3: Failed to create debugfs dir for 'nbd3' [ 37.366525][ T4091] block nbd1: shutting down sockets [ 37.367556][ T4089] block nbd4: shutting down sockets [ 37.377897][ T4089] FAULT_INJECTION: forcing a failure. [ 37.377897][ T4089] name failslab, interval 1, probability 0, space 0, times 0 [ 37.381176][ T4089] CPU: 1 PID: 4089 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.383132][ T4089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.385398][ T4089] Call trace: [ 37.386165][ T4089] dump_backtrace+0x0/0x530 [ 37.387188][ T4089] show_stack+0x2c/0x3c [ 37.388189][ T4089] dump_stack_lvl+0x108/0x170 [ 37.389293][ T4089] dump_stack+0x1c/0x58 [ 37.390283][ T4089] should_fail+0x3b8/0x514 [ 37.391224][ T4089] __should_failslab+0xbc/0x110 [ 37.392298][ T4089] should_failslab+0x10/0x28 [ 37.393319][ T4089] slab_pre_alloc_hook+0x64/0xe8 [ 37.394394][ T4089] kmem_cache_alloc+0x98/0x45c [ 37.395543][ T4089] new_inode_pseudo+0x110/0x200 [ 37.396607][ T4089] new_inode+0x38/0x174 [ 37.397507][ T4089] debugfs_create_dir+0xf0/0x420 [ 37.398628][ T4089] nbd_start_device+0x3bc/0xb34 [ 37.399734][ T4089] nbd_ioctl+0x420/0xc2c [ 37.400732][ T4089] blkdev_ioctl+0x3d8/0xbd0 [ 37.401793][ T4089] block_ioctl+0xa8/0x114 [ 37.402786][ T4089] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.403864][ T4089] invoke_syscall+0x98/0x2b8 [ 37.404906][ T4089] el0_svc_common+0x138/0x258 [ 37.406053][ T4089] do_el0_svc+0x58/0x14c [ 37.407115][ T4089] el0_svc+0x7c/0x1f0 [ 37.407974][ T4089] el0t_64_sync_handler+0x84/0xe4 [ 37.409143][ T4089] el0t_64_sync+0x1a0/0x1a4 [ 37.411479][ T4089] debugfs: out of free dentries, can not create directory 'nbd4' [ 37.413551][ T4089] block nbd4: Failed to create debugfs dir for 'nbd4' [ 37.413952][ T4091] FAULT_INJECTION: forcing a failure. [ 37.413952][ T4091] name failslab, interval 1, probability 0, space 0, times 0 [ 37.415918][ T4096] block nbd0: shutting down sockets [ 37.418668][ T4091] CPU: 0 PID: 4091 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.421303][ T4091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.423504][ T4091] Call trace: [ 37.424278][ T4091] dump_backtrace+0x0/0x530 [ 37.425323][ T4091] show_stack+0x2c/0x3c [ 37.426285][ T4091] dump_stack_lvl+0x108/0x170 [ 37.427377][ T4091] dump_stack+0x1c/0x58 [ 37.428449][ T4091] should_fail+0x3b8/0x514 [ 37.429461][ T4091] __should_failslab+0xbc/0x110 [ 37.430651][ T4091] should_failslab+0x10/0x28 [ 37.431776][ T4091] slab_pre_alloc_hook+0x64/0xe8 [ 37.433040][ T4091] kmem_cache_alloc+0x98/0x45c [ 37.434177][ T4091] new_inode_pseudo+0x110/0x200 [ 37.435321][ T4091] new_inode+0x38/0x174 [ 37.436373][ T4091] debugfs_create_dir+0xf0/0x420 executing program [ 37.437536][ T4091] nbd_start_device+0x3bc/0xb34 [ 37.438756][ T4091] nbd_ioctl+0x420/0xc2c [ 37.439842][ T4091] blkdev_ioctl+0x3d8/0xbd0 [ 37.440963][ T4091] block_ioctl+0xa8/0x114 [ 37.442051][ T4091] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.443275][ T4091] invoke_syscall+0x98/0x2b8 [ 37.444428][ T4091] el0_svc_common+0x138/0x258 [ 37.445511][ T4091] do_el0_svc+0x58/0x14c [ 37.446619][ T4091] el0_svc+0x7c/0x1f0 [ 37.447575][ T4091] el0t_64_sync_handler+0x84/0xe4 [ 37.448746][ T4091] el0t_64_sync+0x1a0/0x1a4 [ 37.451456][ T4091] debugfs: out of free dentries, can not create directory 'nbd1' [ 37.453318][ T4096] FAULT_INJECTION: forcing a failure. [ 37.453318][ T4096] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 37.456740][ T4096] CPU: 1 PID: 4096 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.458320][ T4091] block nbd1: Failed to create debugfs dir for 'nbd1' [ 37.458760][ T4096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.462667][ T4096] Call trace: [ 37.463404][ T4096] dump_backtrace+0x0/0x530 [ 37.464348][ T4096] show_stack+0x2c/0x3c [ 37.465220][ T4096] dump_stack_lvl+0x108/0x170 [ 37.466253][ T4096] dump_stack+0x1c/0x58 [ 37.466658][ T4099] block nbd2: shutting down sockets [ 37.467247][ T4096] should_fail+0x3b8/0x514 [ 37.469587][ T4096] __should_failslab+0xbc/0x110 [ 37.470691][ T4096] should_failslab+0x10/0x28 [ 37.471782][ T4096] slab_pre_alloc_hook+0x64/0xe8 [ 37.472838][ T4096] kmem_cache_alloc+0x98/0x45c [ 37.473894][ T4096] new_inode_pseudo+0x110/0x200 [ 37.475012][ T4096] new_inode+0x38/0x174 [ 37.476015][ T4096] debugfs_create_dir+0xf0/0x420 [ 37.477095][ T4096] nbd_start_device+0x3bc/0xb34 [ 37.478200][ T4096] nbd_ioctl+0x420/0xc2c [ 37.479276][ T4096] blkdev_ioctl+0x3d8/0xbd0 [ 37.480344][ T4096] block_ioctl+0xa8/0x114 [ 37.481392][ T4096] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.482602][ T4096] invoke_syscall+0x98/0x2b8 [ 37.483712][ T4096] el0_svc_common+0x138/0x258 [ 37.484799][ T4096] do_el0_svc+0x58/0x14c [ 37.485800][ T4096] el0_svc+0x7c/0x1f0 [ 37.486747][ T4096] el0t_64_sync_handler+0x84/0xe4 [ 37.487966][ T4096] el0t_64_sync+0x1a0/0x1a4 [ 37.489716][ T4096] debugfs: out of free dentries, can not create directory 'nbd0' [ 37.492616][ T4097] FAULT_INJECTION: forcing a failure. [ 37.492616][ T4097] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 37.496677][ T4096] block nbd0: Failed to create debugfs dir for 'nbd0' [ 37.497290][ T4097] CPU: 1 PID: 4097 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.500321][ T4097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.502495][ T4097] Call trace: [ 37.503242][ T4097] dump_backtrace+0x0/0x530 [ 37.504223][ T4097] show_stack+0x2c/0x3c [ 37.505141][ T4097] dump_stack_lvl+0x108/0x170 [ 37.506317][ T4097] dump_stack+0x1c/0x58 [ 37.507226][ T4097] should_fail+0x3b8/0x514 [ 37.508197][ T4097] __should_failslab+0xbc/0x110 [ 37.509257][ T4097] should_failslab+0x10/0x28 [ 37.510294][ T4097] slab_pre_alloc_hook+0x64/0xe8 [ 37.511422][ T4097] kmem_cache_alloc+0x98/0x45c [ 37.512502][ T4097] new_inode_pseudo+0x110/0x200 [ 37.513628][ T4097] new_inode+0x38/0x174 [ 37.514591][ T4097] debugfs_create_dir+0xf0/0x420 [ 37.515778][ T4097] nbd_start_device+0x3bc/0xb34 [ 37.516932][ T4097] nbd_ioctl+0x420/0xc2c [ 37.517858][ T4097] blkdev_ioctl+0x3d8/0xbd0 [ 37.518953][ T4097] block_ioctl+0xa8/0x114 [ 37.519968][ T4097] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.521119][ T4097] invoke_syscall+0x98/0x2b8 executing program [ 37.522103][ T4097] el0_svc_common+0x138/0x258 [ 37.523154][ T4097] do_el0_svc+0x58/0x14c [ 37.524067][ T4097] el0_svc+0x7c/0x1f0 [ 37.524979][ T4097] el0t_64_sync_handler+0x84/0xe4 [ 37.526190][ T4097] el0t_64_sync+0x1a0/0x1a4 [ 37.527627][ T4097] debugfs: out of free dentries, can not create directory 'nbd2' [ 37.529377][ T4097] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 37.555170][ T4111] block nbd3: shutting down sockets [ 37.555502][ T4102] block nbd4: shutting down sockets [ 37.566586][ T4100] FAULT_INJECTION: forcing a failure. [ 37.566586][ T4100] name failslab, interval 1, probability 0, space 0, times 0 [ 37.569720][ T4100] CPU: 1 PID: 4100 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.571600][ T4100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.573769][ T4100] Call trace: [ 37.574525][ T4100] dump_backtrace+0x0/0x530 [ 37.575517][ T4100] show_stack+0x2c/0x3c [ 37.576434][ T4100] dump_stack_lvl+0x108/0x170 [ 37.577491][ T4100] dump_stack+0x1c/0x58 [ 37.578461][ T4100] should_fail+0x3b8/0x514 [ 37.579460][ T4100] __should_failslab+0xbc/0x110 [ 37.580599][ T4100] should_failslab+0x10/0x28 [ 37.581663][ T4100] slab_pre_alloc_hook+0x64/0xe8 [ 37.582879][ T4100] kmem_cache_alloc+0x98/0x45c [ 37.583893][ T4100] __d_alloc+0x3c/0x6a8 [ 37.584795][ T4100] d_alloc_parallel+0xb8/0x11bc [ 37.586006][ T4100] __lookup_slow+0x108/0x388 [ 37.587039][ T4100] lookup_one_len+0x178/0x28c [ 37.588061][ T4100] start_creating+0x19c/0x2e0 [ 37.589194][ T4100] debugfs_create_dir+0x34/0x420 [ 37.590333][ T4100] nbd_start_device+0x3bc/0xb34 [ 37.591443][ T4100] nbd_ioctl+0x420/0xc2c [ 37.592439][ T4100] blkdev_ioctl+0x3d8/0xbd0 [ 37.593439][ T4100] block_ioctl+0xa8/0x114 [ 37.594423][ T4100] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.595557][ T4100] invoke_syscall+0x98/0x2b8 [ 37.596672][ T4100] el0_svc_common+0x138/0x258 [ 37.597729][ T4100] do_el0_svc+0x58/0x14c [ 37.598682][ T4100] el0_svc+0x7c/0x1f0 [ 37.599606][ T4100] el0t_64_sync_handler+0x84/0xe4 [ 37.600767][ T4100] el0t_64_sync+0x1a0/0x1a4 [ 37.603238][ T4102] FAULT_INJECTION: forcing a failure. [ 37.603238][ T4102] name failslab, interval 1, probability 0, space 0, times 0 [ 37.605751][ T4112] block nbd1: shutting down sockets [ 37.607286][ T4108] block nbd0: shutting down sockets [ 37.615539][ T4100] block nbd3: Failed to create debugfs dir for 'nbd3' [ 37.617316][ T4102] CPU: 1 PID: 4102 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.619415][ T4102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.621734][ T4102] Call trace: [ 37.622464][ T4102] dump_backtrace+0x0/0x530 [ 37.623485][ T4102] show_stack+0x2c/0x3c [ 37.624416][ T4102] dump_stack_lvl+0x108/0x170 [ 37.625448][ T4102] dump_stack+0x1c/0x58 [ 37.626438][ T4102] should_fail+0x3b8/0x514 [ 37.627454][ T4102] __should_failslab+0xbc/0x110 [ 37.628591][ T4102] should_failslab+0x10/0x28 [ 37.629650][ T4102] slab_pre_alloc_hook+0x64/0xe8 [ 37.630839][ T4102] kmem_cache_alloc+0x98/0x45c [ 37.631897][ T4102] new_inode_pseudo+0x110/0x200 [ 37.632987][ T4102] new_inode+0x38/0x174 [ 37.633936][ T4102] debugfs_create_dir+0xf0/0x420 [ 37.635163][ T4102] nbd_start_device+0x3bc/0xb34 [ 37.636352][ T4102] nbd_ioctl+0x420/0xc2c [ 37.637337][ T4102] blkdev_ioctl+0x3d8/0xbd0 [ 37.638407][ T4102] block_ioctl+0xa8/0x114 [ 37.639421][ T4102] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.640549][ T4102] invoke_syscall+0x98/0x2b8 executing program [ 37.641628][ T4102] el0_svc_common+0x138/0x258 [ 37.642752][ T4102] do_el0_svc+0x58/0x14c [ 37.643748][ T4102] el0_svc+0x7c/0x1f0 [ 37.644647][ T4102] el0t_64_sync_handler+0x84/0xe4 [ 37.645868][ T4102] el0t_64_sync+0x1a0/0x1a4 [ 37.648285][ T4102] debugfs: out of free dentries, can not create directory 'nbd4' [ 37.650729][ T4108] FAULT_INJECTION: forcing a failure. [ 37.650729][ T4108] name failslab, interval 1, probability 0, space 0, times 0 [ 37.654230][ T4108] CPU: 0 PID: 4108 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.656449][ T4108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.659137][ T4108] Call trace: [ 37.659912][ T4108] dump_backtrace+0x0/0x530 [ 37.661111][ T4108] show_stack+0x2c/0x3c [ 37.662211][ T4108] dump_stack_lvl+0x108/0x170 [ 37.663354][ T4108] dump_stack+0x1c/0x58 [ 37.664446][ T4108] should_fail+0x3b8/0x514 [ 37.665617][ T4108] __should_failslab+0xbc/0x110 [ 37.666938][ T4108] should_failslab+0x10/0x28 [ 37.668173][ T4108] slab_pre_alloc_hook+0x64/0xe8 [ 37.669448][ T4108] kmem_cache_alloc+0x98/0x45c [ 37.670495][ T4108] new_inode_pseudo+0x110/0x200 [ 37.671459][ T4108] new_inode+0x38/0x174 [ 37.672473][ T4108] debugfs_create_dir+0xf0/0x420 [ 37.673745][ T4108] nbd_start_device+0x3bc/0xb34 [ 37.675066][ T4108] nbd_ioctl+0x420/0xc2c [ 37.676119][ T4108] blkdev_ioctl+0x3d8/0xbd0 [ 37.676337][ T4102] block nbd4: Failed to create debugfs dir for 'nbd4' [ 37.677360][ T4108] block_ioctl+0xa8/0x114 [ 37.677379][ T4108] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.681150][ T4108] invoke_syscall+0x98/0x2b8 [ 37.682297][ T4108] el0_svc_common+0x138/0x258 [ 37.683513][ T4108] do_el0_svc+0x58/0x14c [ 37.684521][ T4108] el0_svc+0x7c/0x1f0 [ 37.685435][ T4108] el0t_64_sync_handler+0x84/0xe4 [ 37.686578][ T4108] el0t_64_sync+0x1a0/0x1a4 [ 37.689504][ T4108] debugfs: out of free dentries, can not create directory 'nbd0' [ 37.691749][ T4108] block nbd0: Failed to create debugfs dir for 'nbd0' [ 37.696850][ T4113] block nbd2: shutting down sockets [ 37.715298][ T4105] FAULT_INJECTION: forcing a failure. [ 37.715298][ T4105] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 37.718532][ T4105] CPU: 1 PID: 4105 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 37.720449][ T4105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.722725][ T4105] Call trace: [ 37.723472][ T4105] dump_backtrace+0x0/0x530 [ 37.724584][ T4105] show_stack+0x2c/0x3c [ 37.725551][ T4105] dump_stack_lvl+0x108/0x170 [ 37.726706][ T4105] dump_stack+0x1c/0x58 [ 37.727718][ T4105] should_fail+0x3b8/0x514 [ 37.728727][ T4105] should_fail_alloc_page+0x74/0xa8 [ 37.729946][ T4105] prepare_alloc_pages+0x160/0x460 [ 37.731091][ T4105] __alloc_pages+0x138/0x674 [ 37.732074][ T4105] alloc_pages+0x368/0x5d4 [ 37.733047][ T4105] new_slab+0xec/0x56c [ 37.733975][ T4105] ___slab_alloc+0x6bc/0xdbc [ 37.735005][ T4105] kmem_cache_alloc+0x2d8/0x45c [ 37.736098][ T4105] __d_alloc+0x3c/0x6a8 [ 37.737068][ T4105] d_alloc_parallel+0xb8/0x11bc [ 37.738201][ T4105] __lookup_slow+0x108/0x388 [ 37.739301][ T4105] lookup_one_len+0x178/0x28c [ 37.740386][ T4105] start_creating+0x19c/0x2e0 [ 37.741416][ T4105] debugfs_create_dir+0x34/0x420 [ 37.742499][ T4105] nbd_start_device+0x3bc/0xb34 [ 37.743657][ T4105] nbd_ioctl+0x420/0xc2c [ 37.744634][ T4105] blkdev_ioctl+0x3d8/0xbd0 [ 37.745696][ T4105] block_ioctl+0xa8/0x114 [ 37.746744][ T4105] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.747858][ T4105] invoke_syscall+0x98/0x2b8 [ 37.748804][ T4105] el0_svc_common+0x138/0x258 [ 37.749857][ T4105] do_el0_svc+0x58/0x14c [ 37.750825][ T4105] el0_svc+0x7c/0x1f0 [ 37.751668][ T4105] el0t_64_sync_handler+0x84/0xe4 [ 37.752739][ T4105] el0t_64_sync+0x1a0/0x1a4 [ 37.755317][ T4110] FAULT_INJECTION: forcing a failure. [ 37.755317][ T4110] name failslab, interval 1, probability 0, space 0, times 0 [ 37.758635][ T4110] CPU: 0 PID: 4110 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.760650][ T4110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.762894][ T4110] Call trace: [ 37.763598][ T4110] dump_backtrace+0x0/0x530 [ 37.764650][ T4110] show_stack+0x2c/0x3c [ 37.765544][ T4110] dump_stack_lvl+0x108/0x170 [ 37.766667][ T4110] dump_stack+0x1c/0x58 [ 37.767617][ T4110] should_fail+0x3b8/0x514 [ 37.768578][ T4110] __should_failslab+0xbc/0x110 [ 37.769767][ T4110] should_failslab+0x10/0x28 [ 37.770822][ T4110] slab_pre_alloc_hook+0x64/0xe8 [ 37.771965][ T4110] kmem_cache_alloc+0x98/0x45c [ 37.773104][ T4110] new_inode_pseudo+0x110/0x200 [ 37.774211][ T4110] new_inode+0x38/0x174 [ 37.775200][ T4110] debugfs_create_dir+0xf0/0x420 [ 37.776375][ T4110] nbd_start_device+0x3bc/0xb34 [ 37.777461][ T4110] nbd_ioctl+0x420/0xc2c [ 37.778418][ T4110] blkdev_ioctl+0x3d8/0xbd0 [ 37.779403][ T4110] block_ioctl+0xa8/0x114 [ 37.780394][ T4110] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.781590][ T4110] invoke_syscall+0x98/0x2b8 [ 37.782572][ T4110] el0_svc_common+0x138/0x258 [ 37.783616][ T4110] do_el0_svc+0x58/0x14c [ 37.784614][ T4110] el0_svc+0x7c/0x1f0 [ 37.785520][ T4110] el0t_64_sync_handler+0x84/0xe4 [ 37.786716][ T4110] el0t_64_sync+0x1a0/0x1a4 [ 37.791161][ T4115] block nbd3: shutting down sockets [ 37.792336][ T4110] debugfs: out of free dentries, can not create directory 'nbd2' [ 37.792394][ T4110] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 37.811550][ T4115] FAULT_INJECTION: forcing a failure. [ 37.811550][ T4115] name failslab, interval 1, probability 0, space 0, times 0 [ 37.814988][ T4115] CPU: 0 PID: 4115 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.816921][ T4115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.819200][ T4115] Call trace: [ 37.819969][ T4115] dump_backtrace+0x0/0x530 [ 37.821103][ T4115] show_stack+0x2c/0x3c [ 37.822065][ T4115] dump_stack_lvl+0x108/0x170 [ 37.823131][ T4115] dump_stack+0x1c/0x58 [ 37.824098][ T4115] should_fail+0x3b8/0x514 [ 37.825169][ T4115] __should_failslab+0xbc/0x110 [ 37.826389][ T4115] should_failslab+0x10/0x28 [ 37.827531][ T4115] slab_pre_alloc_hook+0x64/0xe8 [ 37.828706][ T4115] kmem_cache_alloc+0x98/0x45c [ 37.829855][ T4115] new_inode_pseudo+0x110/0x200 [ 37.831036][ T4115] new_inode+0x38/0x174 [ 37.832046][ T4115] debugfs_create_dir+0xf0/0x420 [ 37.833243][ T4115] nbd_start_device+0x3bc/0xb34 [ 37.834362][ T4115] nbd_ioctl+0x420/0xc2c [ 37.835377][ T4115] blkdev_ioctl+0x3d8/0xbd0 [ 37.836495][ T4115] block_ioctl+0xa8/0x114 [ 37.837681][ T4115] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.838926][ T4115] invoke_syscall+0x98/0x2b8 [ 37.840056][ T4115] el0_svc_common+0x138/0x258 [ 37.841195][ T4115] do_el0_svc+0x58/0x14c [ 37.842247][ T4115] el0_svc+0x7c/0x1f0 [ 37.843187][ T4115] el0t_64_sync_handler+0x84/0xe4 [ 37.844345][ T4115] el0t_64_sync+0x1a0/0x1a4 [ 37.847571][ T4115] debugfs: out of free dentries, can not create directory 'nbd3' [ 37.850692][ T4115] block nbd3: Failed to create debugfs dir for 'nbd3' executing program executing program [ 37.856138][ T4119] block nbd0: shutting down sockets [ 37.866590][ T4119] FAULT_INJECTION: forcing a failure. [ 37.866590][ T4119] name failslab, interval 1, probability 0, space 0, times 0 [ 37.870148][ T4119] CPU: 0 PID: 4119 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.872140][ T4119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.874454][ T4119] Call trace: [ 37.875270][ T4119] dump_backtrace+0x0/0x530 [ 37.876386][ T4119] show_stack+0x2c/0x3c [ 37.877352][ T4119] dump_stack_lvl+0x108/0x170 [ 37.878435][ T4119] dump_stack+0x1c/0x58 [ 37.879440][ T4119] should_fail+0x3b8/0x514 [ 37.880565][ T4119] __should_failslab+0xbc/0x110 [ 37.881645][ T4119] should_failslab+0x10/0x28 [ 37.882736][ T4119] slab_pre_alloc_hook+0x64/0xe8 [ 37.883878][ T4119] kmem_cache_alloc+0x98/0x45c [ 37.884950][ T4119] __d_alloc+0x3c/0x6a8 [ 37.885917][ T4119] d_alloc_parallel+0xb8/0x11bc [ 37.886999][ T4119] __lookup_slow+0x108/0x388 [ 37.888058][ T4119] lookup_one_len+0x178/0x28c [ 37.889186][ T4119] start_creating+0x19c/0x2e0 [ 37.890268][ T4119] debugfs_create_dir+0x34/0x420 [ 37.891455][ T4119] nbd_start_device+0x3bc/0xb34 [ 37.892567][ T4119] nbd_ioctl+0x420/0xc2c [ 37.893541][ T4119] blkdev_ioctl+0x3d8/0xbd0 [ 37.894604][ T4119] block_ioctl+0xa8/0x114 [ 37.895640][ T4119] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.896805][ T4119] invoke_syscall+0x98/0x2b8 [ 37.897967][ T4119] el0_svc_common+0x138/0x258 [ 37.899092][ T4119] do_el0_svc+0x58/0x14c [ 37.900192][ T4119] el0_svc+0x7c/0x1f0 [ 37.901109][ T4119] el0t_64_sync_handler+0x84/0xe4 [ 37.902261][ T4119] el0t_64_sync+0x1a0/0x1a4 [ 37.904769][ T4119] block nbd0: Failed to create debugfs dir for 'nbd0' executing program executing program [ 37.936281][ T4130] block nbd4: shutting down sockets [ 37.940760][ T4122] FAULT_INJECTION: forcing a failure. [ 37.940760][ T4122] name failslab, interval 1, probability 0, space 0, times 0 [ 37.943936][ T4122] CPU: 0 PID: 4122 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.945999][ T4122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 37.946279][ T4125] block nbd1: shutting down sockets [ 37.948615][ T4122] Call trace: [ 37.950576][ T4122] dump_backtrace+0x0/0x530 [ 37.951698][ T4122] show_stack+0x2c/0x3c [ 37.952722][ T4122] dump_stack_lvl+0x108/0x170 [ 37.953846][ T4122] dump_stack+0x1c/0x58 [ 37.954838][ T4122] should_fail+0x3b8/0x514 [ 37.955899][ T4122] __should_failslab+0xbc/0x110 [ 37.957006][ T4122] should_failslab+0x10/0x28 [ 37.958023][ T4122] slab_pre_alloc_hook+0x64/0xe8 [ 37.959258][ T4122] kmem_cache_alloc+0x98/0x45c [ 37.960436][ T4122] __d_alloc+0x3c/0x6a8 [ 37.961411][ T4122] d_alloc_parallel+0xb8/0x11bc [ 37.962524][ T4122] __lookup_slow+0x108/0x388 [ 37.963647][ T4122] lookup_one_len+0x178/0x28c [ 37.964725][ T4122] start_creating+0x19c/0x2e0 [ 37.965850][ T4122] debugfs_create_dir+0x34/0x420 [ 37.966937][ T4122] nbd_start_device+0x3bc/0xb34 [ 37.968130][ T4122] nbd_ioctl+0x420/0xc2c [ 37.969162][ T4122] blkdev_ioctl+0x3d8/0xbd0 [ 37.970221][ T4122] block_ioctl+0xa8/0x114 [ 37.971294][ T4122] __arm64_sys_ioctl+0x14c/0x1c8 [ 37.972431][ T4122] invoke_syscall+0x98/0x2b8 [ 37.973478][ T4122] el0_svc_common+0x138/0x258 [ 37.974581][ T4122] do_el0_svc+0x58/0x14c [ 37.975523][ T4122] el0_svc+0x7c/0x1f0 [ 37.976409][ T4122] el0t_64_sync_handler+0x84/0xe4 [ 37.977568][ T4122] el0t_64_sync+0x1a0/0x1a4 [ 37.979949][ T4126] block nbd2: shutting down sockets [ 37.981100][ T4122] block nbd4: Failed to create debugfs dir for 'nbd4' [ 37.985972][ T4129] block nbd3: shutting down sockets [ 37.987474][ T4125] FAULT_INJECTION: forcing a failure. [ 37.987474][ T4125] name failslab, interval 1, probability 0, space 0, times 0 [ 37.996135][ T4125] CPU: 0 PID: 4125 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 37.998290][ T4125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.000698][ T4125] Call trace: [ 38.001478][ T4125] dump_backtrace+0x0/0x530 [ 38.002560][ T4125] show_stack+0x2c/0x3c [ 38.003520][ T4125] dump_stack_lvl+0x108/0x170 [ 38.004561][ T4125] dump_stack+0x1c/0x58 [ 38.005510][ T4125] should_fail+0x3b8/0x514 [ 38.005860][ T4133] block nbd0: shutting down sockets [ 38.006595][ T4125] __should_failslab+0xbc/0x110 [ 38.006613][ T4125] should_failslab+0x10/0x28 [ 38.006623][ T4125] slab_pre_alloc_hook+0x64/0xe8 [ 38.006634][ T4125] kmem_cache_alloc+0x98/0x45c [ 38.012468][ T4125] new_inode_pseudo+0x110/0x200 [ 38.013583][ T4125] new_inode+0x38/0x174 [ 38.014576][ T4125] debugfs_create_dir+0xf0/0x420 [ 38.015746][ T4125] nbd_start_device+0x3bc/0xb34 [ 38.016849][ T4125] nbd_ioctl+0x420/0xc2c [ 38.017856][ T4125] blkdev_ioctl+0x3d8/0xbd0 [ 38.018879][ T4125] block_ioctl+0xa8/0x114 [ 38.020045][ T4125] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.021154][ T4125] invoke_syscall+0x98/0x2b8 [ 38.022248][ T4125] el0_svc_common+0x138/0x258 [ 38.023323][ T4125] do_el0_svc+0x58/0x14c [ 38.024271][ T4125] el0_svc+0x7c/0x1f0 [ 38.025251][ T4125] el0t_64_sync_handler+0x84/0xe4 [ 38.026367][ T4125] el0t_64_sync+0x1a0/0x1a4 [ 38.027592][ T4125] debugfs: out of free dentries, can not create directory 'nbd1' [ 38.029593][ T4126] FAULT_INJECTION: forcing a failure. [ 38.029593][ T4126] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 38.032735][ T4125] block nbd1: Failed to create debugfs dir for 'nbd1' [ 38.033150][ T4126] CPU: 0 PID: 4126 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.036527][ T4126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.038823][ T4126] Call trace: [ 38.039618][ T4126] dump_backtrace+0x0/0x530 [ 38.040747][ T4126] show_stack+0x2c/0x3c [ 38.041797][ T4126] dump_stack_lvl+0x108/0x170 [ 38.042947][ T4126] dump_stack+0x1c/0x58 [ 38.043937][ T4126] should_fail+0x3b8/0x514 [ 38.044911][ T4126] __should_failslab+0xbc/0x110 [ 38.046113][ T4126] should_failslab+0x10/0x28 [ 38.047368][ T4126] slab_pre_alloc_hook+0x64/0xe8 [ 38.048596][ T4126] kmem_cache_alloc+0x98/0x45c [ 38.049756][ T4126] new_inode_pseudo+0x110/0x200 [ 38.051043][ T4126] new_inode+0x38/0x174 [ 38.052101][ T4126] debugfs_create_dir+0xf0/0x420 [ 38.053313][ T4126] nbd_start_device+0x3bc/0xb34 [ 38.054467][ T4126] nbd_ioctl+0x420/0xc2c [ 38.055459][ T4126] blkdev_ioctl+0x3d8/0xbd0 [ 38.056620][ T4126] block_ioctl+0xa8/0x114 [ 38.057687][ T4126] __arm64_sys_ioctl+0x14c/0x1c8 executing program [ 38.058879][ T4126] invoke_syscall+0x98/0x2b8 [ 38.059931][ T4126] el0_svc_common+0x138/0x258 [ 38.061111][ T4126] do_el0_svc+0x58/0x14c [ 38.062098][ T4126] el0_svc+0x7c/0x1f0 [ 38.063048][ T4126] el0t_64_sync_handler+0x84/0xe4 [ 38.064235][ T4126] el0t_64_sync+0x1a0/0x1a4 [ 38.066040][ T4126] debugfs: out of free dentries, can not create directory 'nbd2' [ 38.068152][ T4126] block nbd2: Failed to create debugfs dir for 'nbd2' [ 38.068194][ T4129] FAULT_INJECTION: forcing a failure. [ 38.068194][ T4129] name failslab, interval 1, probability 0, space 0, times 0 [ 38.072773][ T4129] CPU: 1 PID: 4129 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.074633][ T4129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.076984][ T4129] Call trace: [ 38.077725][ T4129] dump_backtrace+0x0/0x530 [ 38.078766][ T4129] show_stack+0x2c/0x3c [ 38.079621][ T4129] dump_stack_lvl+0x108/0x170 [ 38.080691][ T4129] dump_stack+0x1c/0x58 [ 38.081756][ T4129] should_fail+0x3b8/0x514 [ 38.082927][ T4129] __should_failslab+0xbc/0x110 [ 38.084087][ T4129] should_failslab+0x10/0x28 [ 38.085163][ T4129] slab_pre_alloc_hook+0x64/0xe8 [ 38.086265][ T4129] kmem_cache_alloc+0x98/0x45c [ 38.087401][ T4129] new_inode_pseudo+0x110/0x200 [ 38.088534][ T4129] new_inode+0x38/0x174 executing program [ 38.089485][ T4129] debugfs_create_dir+0xf0/0x420 [ 38.090704][ T4129] nbd_start_device+0x3bc/0xb34 [ 38.091951][ T4129] nbd_ioctl+0x420/0xc2c [ 38.092978][ T4129] blkdev_ioctl+0x3d8/0xbd0 [ 38.094077][ T4129] block_ioctl+0xa8/0x114 [ 38.095072][ T4129] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.096240][ T4129] invoke_syscall+0x98/0x2b8 [ 38.097300][ T4129] el0_svc_common+0x138/0x258 [ 38.098424][ T4129] do_el0_svc+0x58/0x14c [ 38.099411][ T4129] el0_svc+0x7c/0x1f0 [ 38.100281][ T4129] el0t_64_sync_handler+0x84/0xe4 [ 38.101477][ T4129] el0t_64_sync+0x1a0/0x1a4 [ 38.105868][ T4129] debugfs: out of free dentries, can not create directory 'nbd3' [ 38.108321][ T4133] FAULT_INJECTION: forcing a failure. [ 38.108321][ T4133] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.111790][ T4133] CPU: 0 PID: 4133 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.113907][ T4133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.115190][ T4129] block nbd3: Failed to create debugfs dir for 'nbd3' [ 38.116409][ T4133] Call trace: [ 38.116417][ T4133] dump_backtrace+0x0/0x530 [ 38.120237][ T4133] show_stack+0x2c/0x3c [ 38.121061][ T4133] dump_stack_lvl+0x108/0x170 [ 38.122136][ T4133] dump_stack+0x1c/0x58 [ 38.123133][ T4133] should_fail+0x3b8/0x514 [ 38.124175][ T4133] should_fail_alloc_page+0x74/0xa8 [ 38.125341][ T4133] prepare_alloc_pages+0x160/0x460 [ 38.126574][ T4133] __alloc_pages+0x138/0x674 [ 38.127736][ T4133] alloc_pages+0x368/0x5d4 [ 38.128775][ T4133] new_slab+0xec/0x56c [ 38.129741][ T4133] ___slab_alloc+0x6bc/0xdbc [ 38.130902][ T4133] kmem_cache_alloc+0x2d8/0x45c [ 38.131993][ T4133] __d_alloc+0x3c/0x6a8 [ 38.132902][ T4133] d_alloc_parallel+0xb8/0x11bc [ 38.134124][ T4133] __lookup_slow+0x108/0x388 [ 38.135162][ T4133] lookup_one_len+0x178/0x28c [ 38.136300][ T4133] start_creating+0x19c/0x2e0 [ 38.137395][ T4133] debugfs_create_dir+0x34/0x420 [ 38.138534][ T4133] nbd_start_device+0x3bc/0xb34 [ 38.139583][ T4133] nbd_ioctl+0x420/0xc2c [ 38.140589][ T4133] blkdev_ioctl+0x3d8/0xbd0 [ 38.141704][ T4133] block_ioctl+0xa8/0x114 [ 38.142696][ T4133] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.143862][ T4133] invoke_syscall+0x98/0x2b8 [ 38.144974][ T4133] el0_svc_common+0x138/0x258 [ 38.146134][ T4133] do_el0_svc+0x58/0x14c [ 38.147122][ T4133] el0_svc+0x7c/0x1f0 [ 38.148067][ T4133] el0t_64_sync_handler+0x84/0xe4 [ 38.149159][ T4133] el0t_64_sync+0x1a0/0x1a4 [ 38.176337][ T4142] block nbd4: shutting down sockets [ 38.177023][ T4137] block nbd1: shutting down sockets executing program [ 38.180013][ T4135] FAULT_INJECTION: forcing a failure. [ 38.180013][ T4135] name failslab, interval 1, probability 0, space 0, times 0 [ 38.184087][ T4135] CPU: 0 PID: 4135 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.186018][ T4135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.188253][ T4135] Call trace: executing program [ 38.189086][ T4135] dump_backtrace+0x0/0x530 [ 38.190181][ T4135] show_stack+0x2c/0x3c [ 38.191146][ T4135] dump_stack_lvl+0x108/0x170 [ 38.192311][ T4135] dump_stack+0x1c/0x58 [ 38.193292][ T4135] should_fail+0x3b8/0x514 [ 38.194341][ T4135] __should_failslab+0xbc/0x110 [ 38.195473][ T4135] should_failslab+0x10/0x28 [ 38.196589][ T4135] slab_pre_alloc_hook+0x64/0xe8 [ 38.197750][ T4135] kmem_cache_alloc+0x98/0x45c [ 38.198887][ T4135] __d_alloc+0x3c/0x6a8 [ 38.199877][ T4135] d_alloc_parallel+0xb8/0x11bc [ 38.201079][ T4135] __lookup_slow+0x108/0x388 [ 38.202162][ T4135] lookup_one_len+0x178/0x28c [ 38.203196][ T4135] start_creating+0x19c/0x2e0 [ 38.204353][ T4135] debugfs_create_dir+0x34/0x420 [ 38.205420][ T4135] nbd_start_device+0x3bc/0xb34 [ 38.206574][ T4135] nbd_ioctl+0x420/0xc2c [ 38.207599][ T4135] blkdev_ioctl+0x3d8/0xbd0 [ 38.208730][ T4135] block_ioctl+0xa8/0x114 [ 38.209792][ T4135] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.210955][ T4135] invoke_syscall+0x98/0x2b8 [ 38.212044][ T4135] el0_svc_common+0x138/0x258 [ 38.213182][ T4135] do_el0_svc+0x58/0x14c [ 38.214134][ T4135] el0_svc+0x7c/0x1f0 [ 38.215055][ T4135] el0t_64_sync_handler+0x84/0xe4 [ 38.216241][ T4135] el0t_64_sync+0x1a0/0x1a4 [ 38.218058][ T4135] block nbd4: Failed to create debugfs dir for 'nbd4' [ 38.220212][ T4137] FAULT_INJECTION: forcing a failure. [ 38.220212][ T4137] name failslab, interval 1, probability 0, space 0, times 0 [ 38.223132][ T4137] CPU: 1 PID: 4137 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.224992][ T4137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.227405][ T4137] Call trace: [ 38.228191][ T4137] dump_backtrace+0x0/0x530 [ 38.229259][ T4137] show_stack+0x2c/0x3c [ 38.230219][ T4137] dump_stack_lvl+0x108/0x170 [ 38.231280][ T4137] dump_stack+0x1c/0x58 [ 38.232279][ T4137] should_fail+0x3b8/0x514 [ 38.233321][ T4137] __should_failslab+0xbc/0x110 [ 38.234428][ T4137] should_failslab+0x10/0x28 [ 38.235559][ T4137] slab_pre_alloc_hook+0x64/0xe8 [ 38.236738][ T4137] kmem_cache_alloc+0x98/0x45c executing program [ 38.237900][ T4137] new_inode_pseudo+0x110/0x200 [ 38.239063][ T4137] new_inode+0x38/0x174 [ 38.240059][ T4137] debugfs_create_dir+0xf0/0x420 [ 38.241285][ T4137] nbd_start_device+0x3bc/0xb34 [ 38.242419][ T4137] nbd_ioctl+0x420/0xc2c [ 38.243498][ T4137] blkdev_ioctl+0x3d8/0xbd0 [ 38.244554][ T4137] block_ioctl+0xa8/0x114 [ 38.245502][ T4137] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.246654][ T4137] invoke_syscall+0x98/0x2b8 [ 38.247785][ T4137] el0_svc_common+0x138/0x258 [ 38.248873][ T4137] do_el0_svc+0x58/0x14c [ 38.249893][ T4137] el0_svc+0x7c/0x1f0 [ 38.250829][ T4137] el0t_64_sync_handler+0x84/0xe4 [ 38.252051][ T4137] el0t_64_sync+0x1a0/0x1a4 [ 38.256354][ T4143] block nbd2: shutting down sockets [ 38.256433][ T4137] debugfs: out of free dentries, can not create directory 'nbd1' [ 38.259404][ T4137] block nbd1: Failed to create debugfs dir for 'nbd1' [ 38.276393][ T4140] FAULT_INJECTION: forcing a failure. [ 38.276393][ T4140] name failslab, interval 1, probability 0, space 0, times 0 [ 38.279268][ T4140] CPU: 0 PID: 4140 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.281184][ T4140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.283571][ T4140] Call trace: [ 38.284310][ T4140] dump_backtrace+0x0/0x530 [ 38.285368][ T4140] show_stack+0x2c/0x3c [ 38.286325][ T4140] dump_stack_lvl+0x108/0x170 [ 38.287397][ T4140] dump_stack+0x1c/0x58 executing program [ 38.288354][ T4140] should_fail+0x3b8/0x514 [ 38.289367][ T4140] __should_failslab+0xbc/0x110 [ 38.290552][ T4140] should_failslab+0x10/0x28 [ 38.291554][ T4140] slab_pre_alloc_hook+0x64/0xe8 [ 38.292655][ T4140] kmem_cache_alloc+0x98/0x45c [ 38.293831][ T4140] __d_alloc+0x3c/0x6a8 [ 38.294793][ T4140] d_alloc_parallel+0xb8/0x11bc [ 38.295924][ T4140] __lookup_slow+0x108/0x388 [ 38.296965][ T4140] lookup_one_len+0x178/0x28c [ 38.298062][ T4140] start_creating+0x19c/0x2e0 [ 38.299182][ T4140] debugfs_create_dir+0x34/0x420 [ 38.300319][ T4140] nbd_start_device+0x3bc/0xb34 [ 38.301460][ T4140] nbd_ioctl+0x420/0xc2c [ 38.302423][ T4140] blkdev_ioctl+0x3d8/0xbd0 [ 38.303435][ T4140] block_ioctl+0xa8/0x114 [ 38.304484][ T4140] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.305693][ T4140] invoke_syscall+0x98/0x2b8 [ 38.306802][ T4140] el0_svc_common+0x138/0x258 [ 38.307987][ T4140] do_el0_svc+0x58/0x14c [ 38.308967][ T4140] el0_svc+0x7c/0x1f0 [ 38.309858][ T4140] el0t_64_sync_handler+0x84/0xe4 [ 38.311137][ T4140] el0t_64_sync+0x1a0/0x1a4 [ 38.312643][ T4140] block nbd2: Failed to create debugfs dir for 'nbd2' [ 38.316725][ T4148] block nbd3: shutting down sockets [ 38.325388][ T4146] block nbd0: shutting down sockets [ 38.328117][ T4148] FAULT_INJECTION: forcing a failure. [ 38.328117][ T4148] name failslab, interval 1, probability 0, space 0, times 0 [ 38.331090][ T4148] CPU: 1 PID: 4148 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.333089][ T4148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.335312][ T4148] Call trace: [ 38.335964][ T4150] block nbd4: shutting down sockets [ 38.336024][ T4148] dump_backtrace+0x0/0x530 [ 38.338378][ T4148] show_stack+0x2c/0x3c [ 38.339355][ T4148] dump_stack_lvl+0x108/0x170 [ 38.340407][ T4148] dump_stack+0x1c/0x58 [ 38.341419][ T4148] should_fail+0x3b8/0x514 executing program [ 38.342474][ T4148] __should_failslab+0xbc/0x110 [ 38.343566][ T4148] should_failslab+0x10/0x28 [ 38.344691][ T4148] slab_pre_alloc_hook+0x64/0xe8 [ 38.345752][ T4148] kmem_cache_alloc+0x98/0x45c [ 38.346830][ T4148] __d_alloc+0x3c/0x6a8 [ 38.347782][ T4148] d_alloc_parallel+0xb8/0x11bc [ 38.348903][ T4148] __lookup_slow+0x108/0x388 [ 38.350034][ T4148] lookup_one_len+0x178/0x28c [ 38.351103][ T4148] start_creating+0x19c/0x2e0 [ 38.352229][ T4148] debugfs_create_dir+0x34/0x420 [ 38.353333][ T4148] nbd_start_device+0x3bc/0xb34 [ 38.354525][ T4148] nbd_ioctl+0x420/0xc2c [ 38.355471][ T4148] blkdev_ioctl+0x3d8/0xbd0 [ 38.356578][ T4148] block_ioctl+0xa8/0x114 [ 38.357528][ T4148] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.358606][ T4148] invoke_syscall+0x98/0x2b8 [ 38.359646][ T4148] el0_svc_common+0x138/0x258 [ 38.360756][ T4148] do_el0_svc+0x58/0x14c [ 38.361719][ T4148] el0_svc+0x7c/0x1f0 [ 38.362655][ T4148] el0t_64_sync_handler+0x84/0xe4 [ 38.363754][ T4148] el0t_64_sync+0x1a0/0x1a4 [ 38.365995][ T4150] FAULT_INJECTION: forcing a failure. [ 38.365995][ T4150] name failslab, interval 1, probability 0, space 0, times 0 [ 38.368866][ T4150] CPU: 1 PID: 4150 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.369712][ T4148] block nbd3: Failed to create debugfs dir for 'nbd3' [ 38.370792][ T4150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.370804][ T4150] Call trace: [ 38.370807][ T4150] dump_backtrace+0x0/0x530 [ 38.370824][ T4150] show_stack+0x2c/0x3c [ 38.370834][ T4150] dump_stack_lvl+0x108/0x170 [ 38.378427][ T4150] dump_stack+0x1c/0x58 [ 38.379425][ T4150] should_fail+0x3b8/0x514 [ 38.380430][ T4150] __should_failslab+0xbc/0x110 [ 38.381627][ T4150] should_failslab+0x10/0x28 [ 38.382719][ T4150] slab_pre_alloc_hook+0x64/0xe8 [ 38.383875][ T4150] kmem_cache_alloc+0x98/0x45c [ 38.384938][ T4150] __d_alloc+0x3c/0x6a8 [ 38.385868][ T4150] d_alloc_parallel+0xb8/0x11bc [ 38.386975][ T4150] __lookup_slow+0x108/0x388 [ 38.387998][ T4150] lookup_one_len+0x178/0x28c [ 38.389129][ T4150] start_creating+0x19c/0x2e0 [ 38.390153][ T4150] debugfs_create_dir+0x34/0x420 [ 38.391263][ T4150] nbd_start_device+0x3bc/0xb34 [ 38.392305][ T4150] nbd_ioctl+0x420/0xc2c [ 38.393300][ T4150] blkdev_ioctl+0x3d8/0xbd0 [ 38.394373][ T4150] block_ioctl+0xa8/0x114 [ 38.395361][ T4150] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.396508][ T4150] invoke_syscall+0x98/0x2b8 [ 38.397635][ T4150] el0_svc_common+0x138/0x258 [ 38.398774][ T4150] do_el0_svc+0x58/0x14c [ 38.399808][ T4150] el0_svc+0x7c/0x1f0 executing program [ 38.400795][ T4150] el0t_64_sync_handler+0x84/0xe4 [ 38.401928][ T4150] el0t_64_sync+0x1a0/0x1a4 [ 38.404485][ T4146] FAULT_INJECTION: forcing a failure. [ 38.404485][ T4146] name failslab, interval 1, probability 0, space 0, times 0 [ 38.406084][ T4150] block nbd4: Failed to create debugfs dir for 'nbd4' [ 38.407244][ T4146] CPU: 1 PID: 4146 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.410463][ T4146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.412696][ T4146] Call trace: [ 38.413494][ T4146] dump_backtrace+0x0/0x530 [ 38.414479][ T4146] show_stack+0x2c/0x3c [ 38.415412][ T4146] dump_stack_lvl+0x108/0x170 [ 38.416444][ T4146] dump_stack+0x1c/0x58 [ 38.417432][ T4146] should_fail+0x3b8/0x514 [ 38.418507][ T4146] __should_failslab+0xbc/0x110 [ 38.419621][ T4146] should_failslab+0x10/0x28 [ 38.420719][ T4146] slab_pre_alloc_hook+0x64/0xe8 [ 38.421831][ T4146] kmem_cache_alloc+0x98/0x45c [ 38.422970][ T4146] new_inode_pseudo+0x110/0x200 [ 38.424085][ T4146] new_inode+0x38/0x174 [ 38.425110][ T4146] debugfs_create_dir+0xf0/0x420 [ 38.426388][ T4146] nbd_start_device+0x3bc/0xb34 [ 38.427514][ T4146] nbd_ioctl+0x420/0xc2c [ 38.428501][ T4146] blkdev_ioctl+0x3d8/0xbd0 [ 38.429496][ T4146] block_ioctl+0xa8/0x114 executing program [ 38.430502][ T4146] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.431640][ T4146] invoke_syscall+0x98/0x2b8 [ 38.432742][ T4146] el0_svc_common+0x138/0x258 [ 38.433839][ T4146] do_el0_svc+0x58/0x14c [ 38.434831][ T4146] el0_svc+0x7c/0x1f0 [ 38.435781][ T4146] el0t_64_sync_handler+0x84/0xe4 [ 38.436938][ T4146] el0t_64_sync+0x1a0/0x1a4 [ 38.438176][ T4146] debugfs: out of free dentries, can not create directory 'nbd0' [ 38.440020][ T4146] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 38.456023][ T4158] block nbd1: shutting down sockets [ 38.466377][ T4154] FAULT_INJECTION: forcing a failure. [ 38.466377][ T4154] name failslab, interval 1, probability 0, space 0, times 0 [ 38.469176][ T4154] CPU: 0 PID: 4154 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.471130][ T4154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.473302][ T4154] Call trace: [ 38.474080][ T4154] dump_backtrace+0x0/0x530 [ 38.475055][ T4154] show_stack+0x2c/0x3c [ 38.475964][ T4154] dump_stack_lvl+0x108/0x170 [ 38.477241][ T4154] dump_stack+0x1c/0x58 [ 38.478196][ T4154] should_fail+0x3b8/0x514 [ 38.479257][ T4154] __should_failslab+0xbc/0x110 [ 38.480364][ T4154] should_failslab+0x10/0x28 [ 38.481534][ T4154] slab_pre_alloc_hook+0x64/0xe8 [ 38.482597][ T4154] kmem_cache_alloc+0x98/0x45c [ 38.483749][ T4154] __d_alloc+0x3c/0x6a8 [ 38.484715][ T4154] d_alloc_parallel+0xb8/0x11bc [ 38.485775][ T4154] __lookup_slow+0x108/0x388 [ 38.486791][ T4154] lookup_one_len+0x178/0x28c [ 38.487820][ T4154] start_creating+0x19c/0x2e0 [ 38.488809][ T4154] debugfs_create_dir+0x34/0x420 [ 38.489977][ T4154] nbd_start_device+0x3bc/0xb34 [ 38.491050][ T4154] nbd_ioctl+0x420/0xc2c [ 38.492022][ T4154] blkdev_ioctl+0x3d8/0xbd0 [ 38.493163][ T4154] block_ioctl+0xa8/0x114 [ 38.494189][ T4154] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.495362][ T4154] invoke_syscall+0x98/0x2b8 [ 38.496422][ T4154] el0_svc_common+0x138/0x258 [ 38.497530][ T4154] do_el0_svc+0x58/0x14c [ 38.498562][ T4154] el0_svc+0x7c/0x1f0 [ 38.499407][ T4154] el0t_64_sync_handler+0x84/0xe4 [ 38.500566][ T4154] el0t_64_sync+0x1a0/0x1a4 [ 38.503844][ T4157] block nbd2: shutting down sockets [ 38.515416][ T4154] block nbd1: Failed to create debugfs dir for 'nbd1' [ 38.516203][ T4157] FAULT_INJECTION: forcing a failure. [ 38.516203][ T4157] name failslab, interval 1, probability 0, space 0, times 0 [ 38.520931][ T4157] CPU: 0 PID: 4157 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.522887][ T4157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.525197][ T4157] Call trace: [ 38.525899][ T4157] dump_backtrace+0x0/0x530 [ 38.526937][ T4157] show_stack+0x2c/0x3c [ 38.527927][ T4157] dump_stack_lvl+0x108/0x170 [ 38.528978][ T4157] dump_stack+0x1c/0x58 [ 38.529977][ T4157] should_fail+0x3b8/0x514 [ 38.530950][ T4157] __should_failslab+0xbc/0x110 [ 38.532137][ T4157] should_failslab+0x10/0x28 [ 38.533169][ T4157] slab_pre_alloc_hook+0x64/0xe8 [ 38.534347][ T4157] kmem_cache_alloc+0x98/0x45c [ 38.535500][ T4157] new_inode_pseudo+0x110/0x200 [ 38.536612][ T4157] new_inode+0x38/0x174 [ 38.537560][ T4157] debugfs_create_dir+0xf0/0x420 [ 38.538717][ T4157] nbd_start_device+0x3bc/0xb34 [ 38.539778][ T4157] nbd_ioctl+0x420/0xc2c [ 38.540681][ T4157] blkdev_ioctl+0x3d8/0xbd0 [ 38.541631][ T4157] block_ioctl+0xa8/0x114 [ 38.542596][ T4157] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.543768][ T4157] invoke_syscall+0x98/0x2b8 [ 38.544861][ T4157] el0_svc_common+0x138/0x258 [ 38.545955][ T4157] do_el0_svc+0x58/0x14c [ 38.546944][ T4157] el0_svc+0x7c/0x1f0 [ 38.547806][ T4157] el0t_64_sync_handler+0x84/0xe4 [ 38.548865][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 38.550675][ T4157] debugfs: out of free dentries, can not create directory 'nbd2' [ 38.552523][ T4157] block nbd2: Failed to create debugfs dir for 'nbd2' [ 38.556951][ T4168] block nbd3: shutting down sockets [ 38.566075][ T4165] block nbd0: shutting down sockets executing program [ 38.570120][ T4161] FAULT_INJECTION: forcing a failure. [ 38.570120][ T4161] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 38.574310][ T4161] CPU: 0 PID: 4161 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.576260][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.578577][ T4161] Call trace: [ 38.579310][ T4161] dump_backtrace+0x0/0x530 [ 38.580400][ T4161] show_stack+0x2c/0x3c [ 38.581311][ T4161] dump_stack_lvl+0x108/0x170 [ 38.582355][ T4161] dump_stack+0x1c/0x58 [ 38.583330][ T4161] should_fail+0x3b8/0x514 [ 38.584332][ T4161] __should_failslab+0xbc/0x110 [ 38.585453][ T4161] should_failslab+0x10/0x28 [ 38.586487][ T4161] slab_pre_alloc_hook+0x64/0xe8 [ 38.586637][ T4167] block nbd4: shutting down sockets [ 38.587690][ T4161] kmem_cache_alloc+0x98/0x45c [ 38.590296][ T4161] __d_alloc+0x3c/0x6a8 [ 38.591267][ T4161] d_alloc_parallel+0xb8/0x11bc [ 38.592393][ T4161] __lookup_slow+0x108/0x388 [ 38.593510][ T4161] lookup_one_len+0x178/0x28c [ 38.594597][ T4161] start_creating+0x19c/0x2e0 [ 38.595548][ T4161] debugfs_create_dir+0x34/0x420 [ 38.596642][ T4161] nbd_start_device+0x3bc/0xb34 [ 38.597704][ T4161] nbd_ioctl+0x420/0xc2c [ 38.598742][ T4161] blkdev_ioctl+0x3d8/0xbd0 [ 38.599955][ T4161] block_ioctl+0xa8/0x114 [ 38.601000][ T4161] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.602147][ T4161] invoke_syscall+0x98/0x2b8 [ 38.603180][ T4161] el0_svc_common+0x138/0x258 [ 38.604329][ T4161] do_el0_svc+0x58/0x14c [ 38.605308][ T4161] el0_svc+0x7c/0x1f0 [ 38.606224][ T4161] el0t_64_sync_handler+0x84/0xe4 [ 38.607378][ T4161] el0t_64_sync+0x1a0/0x1a4 [ 38.609132][ T4161] block nbd3: Failed to create debugfs dir for 'nbd3' [ 38.610119][ T4163] FAULT_INJECTION: forcing a failure. [ 38.610119][ T4163] name failslab, interval 1, probability 0, space 0, times 0 [ 38.614399][ T4163] CPU: 1 PID: 4163 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.616737][ T4163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.619443][ T4163] Call trace: [ 38.620405][ T4163] dump_backtrace+0x0/0x530 [ 38.621582][ T4163] show_stack+0x2c/0x3c [ 38.622662][ T4163] dump_stack_lvl+0x108/0x170 [ 38.623855][ T4163] dump_stack+0x1c/0x58 [ 38.624900][ T4163] should_fail+0x3b8/0x514 [ 38.626127][ T4163] __should_failslab+0xbc/0x110 [ 38.627410][ T4163] should_failslab+0x10/0x28 [ 38.628609][ T4163] slab_pre_alloc_hook+0x64/0xe8 [ 38.630002][ T4163] kmem_cache_alloc+0x98/0x45c [ 38.631348][ T4163] new_inode_pseudo+0x110/0x200 [ 38.632648][ T4163] new_inode+0x38/0x174 [ 38.633734][ T4163] debugfs_create_dir+0xf0/0x420 [ 38.635012][ T4163] nbd_start_device+0x3bc/0xb34 [ 38.636266][ T4163] nbd_ioctl+0x420/0xc2c [ 38.637365][ T4163] blkdev_ioctl+0x3d8/0xbd0 [ 38.638549][ T4163] block_ioctl+0xa8/0x114 [ 38.639669][ T4163] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.640957][ T4163] invoke_syscall+0x98/0x2b8 [ 38.642125][ T4163] el0_svc_common+0x138/0x258 [ 38.643309][ T4163] do_el0_svc+0x58/0x14c [ 38.644374][ T4163] el0_svc+0x7c/0x1f0 [ 38.645417][ T4163] el0t_64_sync_handler+0x84/0xe4 [ 38.646661][ T4163] el0t_64_sync+0x1a0/0x1a4 [ 38.649525][ T4163] debugfs: out of free dentries, can not create directory 'nbd4' [ 38.651751][ T4165] FAULT_INJECTION: forcing a failure. [ 38.651751][ T4165] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 38.653512][ T4163] block nbd4: Failed to create debugfs dir for 'nbd4' [ 38.656526][ T4165] CPU: 1 PID: 4165 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.656543][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.656551][ T4165] Call trace: [ 38.656554][ T4165] dump_backtrace+0x0/0x530 [ 38.656576][ T4165] show_stack+0x2c/0x3c [ 38.656588][ T4165] dump_stack_lvl+0x108/0x170 [ 38.656599][ T4165] dump_stack+0x1c/0x58 [ 38.656609][ T4165] should_fail+0x3b8/0x514 [ 38.656620][ T4165] __should_failslab+0xbc/0x110 [ 38.656635][ T4165] should_failslab+0x10/0x28 [ 38.656644][ T4165] slab_pre_alloc_hook+0x64/0xe8 [ 38.656660][ T4165] kmem_cache_alloc+0x98/0x45c [ 38.656670][ T4165] new_inode_pseudo+0x110/0x200 [ 38.673848][ T4165] new_inode+0x38/0x174 [ 38.674930][ T4165] debugfs_create_dir+0xf0/0x420 [ 38.676145][ T4165] nbd_start_device+0x3bc/0xb34 [ 38.677458][ T4165] nbd_ioctl+0x420/0xc2c [ 38.678565][ T4165] blkdev_ioctl+0x3d8/0xbd0 [ 38.679696][ T4165] block_ioctl+0xa8/0x114 [ 38.680839][ T4165] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.682110][ T4165] invoke_syscall+0x98/0x2b8 [ 38.683378][ T4165] el0_svc_common+0x138/0x258 [ 38.684543][ T4165] do_el0_svc+0x58/0x14c [ 38.685707][ T4165] el0_svc+0x7c/0x1f0 [ 38.686700][ T4165] el0t_64_sync_handler+0x84/0xe4 [ 38.687985][ T4165] el0t_64_sync+0x1a0/0x1a4 [ 38.690573][ T4165] debugfs: out of free dentries, can not create directory 'nbd0' [ 38.692644][ T4165] block nbd0: Failed to create debugfs dir for 'nbd0' executing program executing program [ 38.715692][ T4174] block nbd2: shutting down sockets [ 38.725540][ T4173] block nbd1: shutting down sockets [ 38.737063][ T4170] FAULT_INJECTION: forcing a failure. [ 38.737063][ T4170] name failslab, interval 1, probability 0, space 0, times 0 [ 38.740362][ T4170] CPU: 1 PID: 4170 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.742369][ T4170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.744788][ T4170] Call trace: [ 38.745489][ T4170] dump_backtrace+0x0/0x530 [ 38.746567][ T4170] show_stack+0x2c/0x3c [ 38.747558][ T4170] dump_stack_lvl+0x108/0x170 [ 38.748701][ T4170] dump_stack+0x1c/0x58 [ 38.749687][ T4170] should_fail+0x3b8/0x514 [ 38.750764][ T4170] __should_failslab+0xbc/0x110 [ 38.751993][ T4170] should_failslab+0x10/0x28 [ 38.753075][ T4170] slab_pre_alloc_hook+0x64/0xe8 [ 38.754116][ T4170] kmem_cache_alloc+0x98/0x45c [ 38.755254][ T4170] __d_alloc+0x3c/0x6a8 [ 38.756254][ T4170] d_alloc_parallel+0xb8/0x11bc [ 38.757286][ T4170] __lookup_slow+0x108/0x388 [ 38.758355][ T4170] lookup_one_len+0x178/0x28c [ 38.759394][ T4170] start_creating+0x19c/0x2e0 [ 38.760482][ T4170] debugfs_create_dir+0x34/0x420 [ 38.761617][ T4170] nbd_start_device+0x3bc/0xb34 [ 38.762877][ T4170] nbd_ioctl+0x420/0xc2c [ 38.763865][ T4170] blkdev_ioctl+0x3d8/0xbd0 [ 38.764943][ T4170] block_ioctl+0xa8/0x114 [ 38.765918][ T4170] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.767105][ T4170] invoke_syscall+0x98/0x2b8 [ 38.768192][ T4170] el0_svc_common+0x138/0x258 [ 38.769241][ T4170] do_el0_svc+0x58/0x14c [ 38.770195][ T4170] el0_svc+0x7c/0x1f0 [ 38.771131][ T4170] el0t_64_sync_handler+0x84/0xe4 [ 38.772247][ T4170] el0t_64_sync+0x1a0/0x1a4 [ 38.774790][ T4172] FAULT_INJECTION: forcing a failure. [ 38.774790][ T4172] name failslab, interval 1, probability 0, space 0, times 0 [ 38.778091][ T4172] CPU: 0 PID: 4172 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.780074][ T4172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.782408][ T4172] Call trace: [ 38.783223][ T4172] dump_backtrace+0x0/0x530 [ 38.784271][ T4172] show_stack+0x2c/0x3c [ 38.785180][ T4172] dump_stack_lvl+0x108/0x170 [ 38.786207][ T4172] dump_stack+0x1c/0x58 [ 38.787264][ T4172] should_fail+0x3b8/0x514 [ 38.788283][ T4172] __should_failslab+0xbc/0x110 [ 38.789448][ T4172] should_failslab+0x10/0x28 [ 38.790619][ T4172] slab_pre_alloc_hook+0x64/0xe8 [ 38.791798][ T4172] kmem_cache_alloc+0x98/0x45c [ 38.792890][ T4172] new_inode_pseudo+0x110/0x200 [ 38.794022][ T4172] new_inode+0x38/0x174 [ 38.794984][ T4172] debugfs_create_dir+0xf0/0x420 [ 38.795092][ T4170] block nbd1: Failed to create debugfs dir for 'nbd1' [ 38.796136][ T4172] nbd_start_device+0x3bc/0xb34 [ 38.796153][ T4172] nbd_ioctl+0x420/0xc2c [ 38.796162][ T4172] blkdev_ioctl+0x3d8/0xbd0 [ 38.796173][ T4172] block_ioctl+0xa8/0x114 [ 38.796182][ T4172] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.802855][ T4172] invoke_syscall+0x98/0x2b8 [ 38.804000][ T4172] el0_svc_common+0x138/0x258 [ 38.805185][ T4172] do_el0_svc+0x58/0x14c [ 38.806214][ T4172] el0_svc+0x7c/0x1f0 [ 38.807093][ T4172] el0t_64_sync_handler+0x84/0xe4 [ 38.808190][ T4172] el0t_64_sync+0x1a0/0x1a4 [ 38.809818][ T4172] debugfs: out of free dentries, can not create directory 'nbd2' [ 38.811666][ T4172] block nbd2: Failed to create debugfs dir for 'nbd2' [ 38.825230][ T4179] block nbd3: shutting down sockets [ 38.827811][ T4176] FAULT_INJECTION: forcing a failure. [ 38.827811][ T4176] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 38.831829][ T4176] CPU: 1 PID: 4176 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.833862][ T4176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.836194][ T4176] Call trace: [ 38.836968][ T4176] dump_backtrace+0x0/0x530 [ 38.838055][ T4176] show_stack+0x2c/0x3c [ 38.839054][ T4176] dump_stack_lvl+0x108/0x170 [ 38.840161][ T4176] dump_stack+0x1c/0x58 [ 38.841174][ T4176] should_fail+0x3b8/0x514 [ 38.842175][ T4176] __should_failslab+0xbc/0x110 [ 38.843322][ T4176] should_failslab+0x10/0x28 [ 38.844382][ T4176] slab_pre_alloc_hook+0x64/0xe8 [ 38.845266][ T4182] block nbd0: shutting down sockets [ 38.845472][ T4176] kmem_cache_alloc+0x98/0x45c [ 38.847782][ T4176] __d_alloc+0x3c/0x6a8 [ 38.848733][ T4176] d_alloc_parallel+0xb8/0x11bc [ 38.849813][ T4176] __lookup_slow+0x108/0x388 [ 38.850855][ T4176] lookup_one_len+0x178/0x28c [ 38.851947][ T4176] start_creating+0x19c/0x2e0 [ 38.853014][ T4176] debugfs_create_dir+0x34/0x420 [ 38.854165][ T4176] nbd_start_device+0x3bc/0xb34 [ 38.855200][ T4176] nbd_ioctl+0x420/0xc2c [ 38.856222][ T4176] blkdev_ioctl+0x3d8/0xbd0 [ 38.857266][ T4176] block_ioctl+0xa8/0x114 [ 38.858188][ T4176] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.859311][ T4176] invoke_syscall+0x98/0x2b8 [ 38.860420][ T4176] el0_svc_common+0x138/0x258 executing program [ 38.861534][ T4176] do_el0_svc+0x58/0x14c [ 38.862504][ T4176] el0_svc+0x7c/0x1f0 [ 38.863472][ T4176] el0t_64_sync_handler+0x84/0xe4 [ 38.864670][ T4176] el0t_64_sync+0x1a0/0x1a4 [ 38.866541][ T4183] block nbd4: shutting down sockets [ 38.866712][ T4181] FAULT_INJECTION: forcing a failure. [ 38.866712][ T4181] name failslab, interval 1, probability 0, space 0, times 0 [ 38.870691][ T4181] CPU: 1 PID: 4181 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.872663][ T4181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.875077][ T4181] Call trace: [ 38.875881][ T4181] dump_backtrace+0x0/0x530 [ 38.876429][ T4176] block nbd3: Failed to create debugfs dir for 'nbd3' [ 38.876846][ T4181] show_stack+0x2c/0x3c [ 38.879464][ T4181] dump_stack_lvl+0x108/0x170 [ 38.880572][ T4181] dump_stack+0x1c/0x58 [ 38.881522][ T4181] should_fail+0x3b8/0x514 [ 38.882679][ T4181] __should_failslab+0xbc/0x110 [ 38.883743][ T4181] should_failslab+0x10/0x28 [ 38.884869][ T4181] slab_pre_alloc_hook+0x64/0xe8 [ 38.886108][ T4181] kmem_cache_alloc+0x98/0x45c [ 38.887221][ T4181] new_inode_pseudo+0x110/0x200 [ 38.888418][ T4181] new_inode+0x38/0x174 [ 38.889374][ T4181] debugfs_create_dir+0xf0/0x420 [ 38.890624][ T4181] nbd_start_device+0x3bc/0xb34 [ 38.891729][ T4181] nbd_ioctl+0x420/0xc2c [ 38.892674][ T4181] blkdev_ioctl+0x3d8/0xbd0 [ 38.893708][ T4181] block_ioctl+0xa8/0x114 [ 38.894719][ T4181] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.895932][ T4181] invoke_syscall+0x98/0x2b8 [ 38.897074][ T4181] el0_svc_common+0x138/0x258 [ 38.898146][ T4181] do_el0_svc+0x58/0x14c [ 38.899151][ T4181] el0_svc+0x7c/0x1f0 [ 38.900136][ T4181] el0t_64_sync_handler+0x84/0xe4 [ 38.901443][ T4181] el0t_64_sync+0x1a0/0x1a4 executing program [ 38.904135][ T4181] debugfs: out of free dentries, can not create directory 'nbd0' [ 38.906150][ T4178] FAULT_INJECTION: forcing a failure. [ 38.906150][ T4178] name failslab, interval 1, probability 0, space 0, times 0 [ 38.907950][ T4181] block nbd0: Failed to create debugfs dir for 'nbd0' [ 38.909309][ T4178] CPU: 1 PID: 4178 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.909325][ T4178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.909333][ T4178] Call trace: [ 38.909336][ T4178] dump_backtrace+0x0/0x530 [ 38.909351][ T4178] show_stack+0x2c/0x3c [ 38.909362][ T4178] dump_stack_lvl+0x108/0x170 [ 38.918900][ T4178] dump_stack+0x1c/0x58 [ 38.919860][ T4178] should_fail+0x3b8/0x514 [ 38.921040][ T4178] __should_failslab+0xbc/0x110 [ 38.922206][ T4178] should_failslab+0x10/0x28 [ 38.923245][ T4178] slab_pre_alloc_hook+0x64/0xe8 [ 38.924391][ T4178] kmem_cache_alloc+0x98/0x45c [ 38.925566][ T4178] new_inode_pseudo+0x110/0x200 [ 38.926720][ T4178] new_inode+0x38/0x174 [ 38.927667][ T4178] debugfs_create_dir+0xf0/0x420 [ 38.928783][ T4178] nbd_start_device+0x3bc/0xb34 [ 38.929954][ T4178] nbd_ioctl+0x420/0xc2c [ 38.930862][ T4178] blkdev_ioctl+0x3d8/0xbd0 [ 38.931975][ T4178] block_ioctl+0xa8/0x114 [ 38.933013][ T4178] __arm64_sys_ioctl+0x14c/0x1c8 executing program [ 38.934238][ T4178] invoke_syscall+0x98/0x2b8 [ 38.935373][ T4178] el0_svc_common+0x138/0x258 [ 38.936469][ T4178] do_el0_svc+0x58/0x14c [ 38.937462][ T4178] el0_svc+0x7c/0x1f0 [ 38.938350][ T4178] el0t_64_sync_handler+0x84/0xe4 [ 38.939607][ T4178] el0t_64_sync+0x1a0/0x1a4 [ 38.942476][ T4178] debugfs: out of free dentries, can not create directory 'nbd4' [ 38.944122][ T4178] block nbd4: Failed to create debugfs dir for 'nbd4' [ 38.955982][ T4185] block nbd1: shutting down sockets [ 38.956725][ T4187] block nbd2: shutting down sockets executing program [ 38.968244][ T4187] FAULT_INJECTION: forcing a failure. [ 38.968244][ T4187] name failslab, interval 1, probability 0, space 0, times 0 [ 38.971749][ T4187] CPU: 0 PID: 4187 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 38.973672][ T4187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 38.975993][ T4187] Call trace: [ 38.976708][ T4187] dump_backtrace+0x0/0x530 [ 38.977836][ T4187] show_stack+0x2c/0x3c [ 38.978774][ T4187] dump_stack_lvl+0x108/0x170 [ 38.979928][ T4187] dump_stack+0x1c/0x58 [ 38.980897][ T4187] should_fail+0x3b8/0x514 [ 38.981929][ T4187] __should_failslab+0xbc/0x110 [ 38.983057][ T4187] should_failslab+0x10/0x28 [ 38.984065][ T4187] slab_pre_alloc_hook+0x64/0xe8 [ 38.985209][ T4187] kmem_cache_alloc+0x98/0x45c [ 38.986245][ T4187] __d_alloc+0x3c/0x6a8 [ 38.987210][ T4187] d_alloc_parallel+0xb8/0x11bc [ 38.988365][ T4187] __lookup_slow+0x108/0x388 [ 38.989444][ T4187] lookup_one_len+0x178/0x28c [ 38.990441][ T4187] start_creating+0x19c/0x2e0 [ 38.991578][ T4187] debugfs_create_dir+0x34/0x420 [ 38.992819][ T4187] nbd_start_device+0x3bc/0xb34 [ 38.994053][ T4187] nbd_ioctl+0x420/0xc2c [ 38.995044][ T4187] blkdev_ioctl+0x3d8/0xbd0 [ 38.996150][ T4187] block_ioctl+0xa8/0x114 [ 38.997079][ T4187] __arm64_sys_ioctl+0x14c/0x1c8 [ 38.998254][ T4187] invoke_syscall+0x98/0x2b8 [ 38.999313][ T4187] el0_svc_common+0x138/0x258 [ 39.000381][ T4187] do_el0_svc+0x58/0x14c [ 39.001505][ T4187] el0_svc+0x7c/0x1f0 [ 39.002531][ T4187] el0t_64_sync_handler+0x84/0xe4 [ 39.003744][ T4187] el0t_64_sync+0x1a0/0x1a4 [ 39.005823][ T4187] block nbd2: Failed to create debugfs dir for 'nbd2' [ 39.008051][ T4185] FAULT_INJECTION: forcing a failure. [ 39.008051][ T4185] name failslab, interval 1, probability 0, space 0, times 0 [ 39.011364][ T4185] CPU: 1 PID: 4185 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.013328][ T4185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.015549][ T4185] Call trace: [ 39.016266][ T4185] dump_backtrace+0x0/0x530 [ 39.017381][ T4185] show_stack+0x2c/0x3c [ 39.018364][ T4185] dump_stack_lvl+0x108/0x170 [ 39.019401][ T4185] dump_stack+0x1c/0x58 [ 39.020393][ T4185] should_fail+0x3b8/0x514 [ 39.021440][ T4185] __should_failslab+0xbc/0x110 [ 39.022500][ T4185] should_failslab+0x10/0x28 [ 39.023605][ T4185] slab_pre_alloc_hook+0x64/0xe8 [ 39.024796][ T4185] kmem_cache_alloc+0x98/0x45c [ 39.025918][ T4185] new_inode_pseudo+0x110/0x200 [ 39.027091][ T4185] new_inode+0x38/0x174 [ 39.028051][ T4185] debugfs_create_dir+0xf0/0x420 [ 39.029244][ T4185] nbd_start_device+0x3bc/0xb34 executing program [ 39.030278][ T4185] nbd_ioctl+0x420/0xc2c [ 39.031266][ T4185] blkdev_ioctl+0x3d8/0xbd0 [ 39.032362][ T4185] block_ioctl+0xa8/0x114 [ 39.033417][ T4185] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.034620][ T4185] invoke_syscall+0x98/0x2b8 [ 39.035748][ T4185] el0_svc_common+0x138/0x258 [ 39.036875][ T4185] do_el0_svc+0x58/0x14c [ 39.037777][ T4185] el0_svc+0x7c/0x1f0 [ 39.038745][ T4185] el0t_64_sync_handler+0x84/0xe4 [ 39.039884][ T4185] el0t_64_sync+0x1a0/0x1a4 [ 39.042368][ T4185] debugfs: out of free dentries, can not create directory 'nbd1' [ 39.044933][ T4185] block nbd1: Failed to create debugfs dir for 'nbd1' [ 39.047214][ T4196] block nbd3: shutting down sockets [ 39.051666][ T4197] block nbd0: shutting down sockets [ 39.057906][ T4193] FAULT_INJECTION: forcing a failure. [ 39.057906][ T4193] name failslab, interval 1, probability 0, space 0, times 0 [ 39.060986][ T4193] CPU: 1 PID: 4193 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.062841][ T4193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.065340][ T4193] Call trace: [ 39.066196][ T4193] dump_backtrace+0x0/0x530 [ 39.067237][ T4193] show_stack+0x2c/0x3c [ 39.068229][ T4193] dump_stack_lvl+0x108/0x170 [ 39.069379][ T4193] dump_stack+0x1c/0x58 [ 39.070332][ T4193] should_fail+0x3b8/0x514 [ 39.071336][ T4193] __should_failslab+0xbc/0x110 [ 39.072477][ T4193] should_failslab+0x10/0x28 [ 39.073543][ T4193] slab_pre_alloc_hook+0x64/0xe8 [ 39.074674][ T4193] kmem_cache_alloc+0x98/0x45c [ 39.075715][ T4193] new_inode_pseudo+0x110/0x200 [ 39.076914][ T4193] new_inode+0x38/0x174 [ 39.077874][ T4193] debugfs_create_dir+0xf0/0x420 [ 39.079037][ T4193] nbd_start_device+0x3bc/0xb34 [ 39.080168][ T4193] nbd_ioctl+0x420/0xc2c [ 39.080935][ T4193] blkdev_ioctl+0x3d8/0xbd0 [ 39.081869][ T4193] block_ioctl+0xa8/0x114 [ 39.082825][ T4193] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.084090][ T4193] invoke_syscall+0x98/0x2b8 [ 39.085208][ T4193] el0_svc_common+0x138/0x258 [ 39.086324][ T4193] do_el0_svc+0x58/0x14c [ 39.087259][ T4193] el0_svc+0x7c/0x1f0 [ 39.088275][ T4193] el0t_64_sync_handler+0x84/0xe4 [ 39.089471][ T4193] el0t_64_sync+0x1a0/0x1a4 [ 39.091666][ T4193] debugfs: out of free dentries, can not create directory 'nbd0' executing program [ 39.093736][ T4193] block nbd0: Failed to create debugfs dir for 'nbd0' [ 39.095952][ T4190] FAULT_INJECTION: forcing a failure. [ 39.095952][ T4190] name failslab, interval 1, probability 0, space 0, times 0 [ 39.098989][ T4190] CPU: 1 PID: 4190 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.100911][ T4190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.103361][ T4190] Call trace: [ 39.104020][ T4190] dump_backtrace+0x0/0x530 [ 39.105112][ T4190] show_stack+0x2c/0x3c [ 39.106130][ T4190] dump_stack_lvl+0x108/0x170 [ 39.107210][ T4190] dump_stack+0x1c/0x58 [ 39.108148][ T4190] should_fail+0x3b8/0x514 [ 39.109188][ T4190] __should_failslab+0xbc/0x110 [ 39.110284][ T4190] should_failslab+0x10/0x28 [ 39.111284][ T4190] slab_pre_alloc_hook+0x64/0xe8 [ 39.112471][ T4190] kmem_cache_alloc+0x98/0x45c [ 39.113575][ T4190] new_inode_pseudo+0x110/0x200 [ 39.114724][ T4190] new_inode+0x38/0x174 [ 39.115737][ T4190] debugfs_create_dir+0xf0/0x420 [ 39.116917][ T4190] nbd_start_device+0x3bc/0xb34 [ 39.118088][ T4190] nbd_ioctl+0x420/0xc2c [ 39.119077][ T4190] blkdev_ioctl+0x3d8/0xbd0 [ 39.120106][ T4190] block_ioctl+0xa8/0x114 [ 39.121158][ T4190] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.122293][ T4190] invoke_syscall+0x98/0x2b8 [ 39.123436][ T4190] el0_svc_common+0x138/0x258 [ 39.124552][ T4190] do_el0_svc+0x58/0x14c [ 39.125520][ T4190] el0_svc+0x7c/0x1f0 [ 39.125585][ T4198] block nbd4: shutting down sockets [ 39.126486][ T4190] el0t_64_sync_handler+0x84/0xe4 [ 39.126501][ T4190] el0t_64_sync+0x1a0/0x1a4 [ 39.128588][ T4190] debugfs: out of free dentries, can not create directory 'nbd3' [ 39.131980][ T4190] block nbd3: Failed to create debugfs dir for 'nbd3' executing program [ 39.136914][ T4203] block nbd2: shutting down sockets [ 39.142236][ T4195] FAULT_INJECTION: forcing a failure. [ 39.142236][ T4195] name failslab, interval 1, probability 0, space 0, times 0 [ 39.145875][ T4195] CPU: 0 PID: 4195 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.147907][ T4195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.150188][ T4195] Call trace: [ 39.150893][ T4195] dump_backtrace+0x0/0x530 executing program [ 39.151921][ T4195] show_stack+0x2c/0x3c [ 39.152922][ T4195] dump_stack_lvl+0x108/0x170 [ 39.154013][ T4195] dump_stack+0x1c/0x58 [ 39.155057][ T4195] should_fail+0x3b8/0x514 [ 39.156156][ T4195] __should_failslab+0xbc/0x110 [ 39.157251][ T4195] should_failslab+0x10/0x28 [ 39.158347][ T4195] slab_pre_alloc_hook+0x64/0xe8 [ 39.159649][ T4195] kmem_cache_alloc+0x98/0x45c [ 39.160736][ T4195] new_inode_pseudo+0x110/0x200 [ 39.161837][ T4195] new_inode+0x38/0x174 [ 39.162828][ T4195] debugfs_create_dir+0xf0/0x420 [ 39.164121][ T4195] nbd_start_device+0x3bc/0xb34 [ 39.165278][ T4195] nbd_ioctl+0x420/0xc2c [ 39.166256][ T4195] blkdev_ioctl+0x3d8/0xbd0 [ 39.167282][ T4195] block_ioctl+0xa8/0x114 [ 39.168287][ T4195] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.169432][ T4195] invoke_syscall+0x98/0x2b8 [ 39.170481][ T4195] el0_svc_common+0x138/0x258 [ 39.171541][ T4195] do_el0_svc+0x58/0x14c [ 39.172570][ T4195] el0_svc+0x7c/0x1f0 [ 39.173565][ T4195] el0t_64_sync_handler+0x84/0xe4 [ 39.174616][ T4195] el0t_64_sync+0x1a0/0x1a4 [ 39.176352][ T4195] debugfs: out of free dentries, can not create directory 'nbd4' [ 39.178493][ T4195] block nbd4: Failed to create debugfs dir for 'nbd4' [ 39.179110][ T4200] FAULT_INJECTION: forcing a failure. [ 39.179110][ T4200] name failslab, interval 1, probability 0, space 0, times 0 [ 39.183173][ T4200] CPU: 1 PID: 4200 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.185147][ T4200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.187440][ T4200] Call trace: [ 39.188219][ T4200] dump_backtrace+0x0/0x530 [ 39.189270][ T4200] show_stack+0x2c/0x3c [ 39.190167][ T4200] dump_stack_lvl+0x108/0x170 [ 39.191284][ T4200] dump_stack+0x1c/0x58 [ 39.192231][ T4200] should_fail+0x3b8/0x514 [ 39.193227][ T4200] __should_failslab+0xbc/0x110 [ 39.194310][ T4200] should_failslab+0x10/0x28 [ 39.195393][ T4200] slab_pre_alloc_hook+0x64/0xe8 [ 39.196680][ T4200] kmem_cache_alloc+0x98/0x45c [ 39.197967][ T4200] new_inode_pseudo+0x110/0x200 [ 39.199018][ T4200] new_inode+0x38/0x174 [ 39.199938][ T4200] debugfs_create_dir+0xf0/0x420 [ 39.201054][ T4200] nbd_start_device+0x3bc/0xb34 [ 39.202277][ T4200] nbd_ioctl+0x420/0xc2c [ 39.203247][ T4200] blkdev_ioctl+0x3d8/0xbd0 [ 39.204239][ T4200] block_ioctl+0xa8/0x114 [ 39.205285][ T4200] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.206384][ T4200] invoke_syscall+0x98/0x2b8 [ 39.207344][ T4200] el0_svc_common+0x138/0x258 [ 39.208420][ T4200] do_el0_svc+0x58/0x14c [ 39.209403][ T4200] el0_svc+0x7c/0x1f0 [ 39.210351][ T4200] el0t_64_sync_handler+0x84/0xe4 [ 39.211645][ T4200] el0t_64_sync+0x1a0/0x1a4 executing program [ 39.218112][ T4200] debugfs: out of free dentries, can not create directory 'nbd2' [ 39.219994][ T4200] block nbd2: Failed to create debugfs dir for 'nbd2' [ 39.226289][ T4212] block nbd1: shutting down sockets [ 39.237129][ T4202] FAULT_INJECTION: forcing a failure. [ 39.237129][ T4202] name failslab, interval 1, probability 0, space 0, times 0 [ 39.239854][ T4202] CPU: 1 PID: 4202 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.241716][ T4202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.243968][ T4202] Call trace: [ 39.244710][ T4202] dump_backtrace+0x0/0x530 [ 39.245746][ T4202] show_stack+0x2c/0x3c [ 39.246663][ T4202] dump_stack_lvl+0x108/0x170 [ 39.247640][ T4202] dump_stack+0x1c/0x58 [ 39.248611][ T4202] should_fail+0x3b8/0x514 executing program [ 39.249564][ T4202] __should_failslab+0xbc/0x110 [ 39.250644][ T4202] should_failslab+0x10/0x28 [ 39.251651][ T4202] slab_pre_alloc_hook+0x64/0xe8 [ 39.252786][ T4202] kmem_cache_alloc+0x98/0x45c [ 39.253804][ T4202] __d_alloc+0x3c/0x6a8 [ 39.254720][ T4202] d_alloc_parallel+0xb8/0x11bc [ 39.255767][ T4202] __lookup_slow+0x108/0x388 [ 39.256811][ T4202] lookup_one_len+0x178/0x28c [ 39.257875][ T4202] start_creating+0x19c/0x2e0 [ 39.258922][ T4202] debugfs_create_dir+0x34/0x420 [ 39.260078][ T4202] nbd_start_device+0x3bc/0xb34 [ 39.261171][ T4202] nbd_ioctl+0x420/0xc2c [ 39.262173][ T4202] blkdev_ioctl+0x3d8/0xbd0 [ 39.263362][ T4202] block_ioctl+0xa8/0x114 [ 39.264369][ T4202] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.265474][ T4202] invoke_syscall+0x98/0x2b8 [ 39.266544][ T4202] el0_svc_common+0x138/0x258 [ 39.267606][ T4202] do_el0_svc+0x58/0x14c [ 39.268595][ T4202] el0_svc+0x7c/0x1f0 [ 39.269493][ T4202] el0t_64_sync_handler+0x84/0xe4 [ 39.270647][ T4202] el0t_64_sync+0x1a0/0x1a4 [ 39.273378][ T4210] block nbd0: shutting down sockets [ 39.275202][ T4202] block nbd1: Failed to create debugfs dir for 'nbd1' [ 39.286171][ T4209] block nbd4: shutting down sockets [ 39.289115][ T4205] FAULT_INJECTION: forcing a failure. [ 39.289115][ T4205] name failslab, interval 1, probability 0, space 0, times 0 [ 39.291942][ T4205] CPU: 0 PID: 4205 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.293885][ T4205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.295821][ T4211] block nbd3: shutting down sockets [ 39.296233][ T4205] Call trace: [ 39.298209][ T4205] dump_backtrace+0x0/0x530 [ 39.299198][ T4205] show_stack+0x2c/0x3c [ 39.300176][ T4205] dump_stack_lvl+0x108/0x170 [ 39.301255][ T4205] dump_stack+0x1c/0x58 [ 39.302271][ T4205] should_fail+0x3b8/0x514 [ 39.303343][ T4205] __should_failslab+0xbc/0x110 [ 39.304514][ T4205] should_failslab+0x10/0x28 [ 39.305620][ T4205] slab_pre_alloc_hook+0x64/0xe8 [ 39.306824][ T4205] kmem_cache_alloc+0x98/0x45c [ 39.307902][ T4205] __d_alloc+0x3c/0x6a8 [ 39.308893][ T4205] d_alloc_parallel+0xb8/0x11bc [ 39.310062][ T4205] __lookup_slow+0x108/0x388 [ 39.311061][ T4205] lookup_one_len+0x178/0x28c [ 39.312178][ T4205] start_creating+0x19c/0x2e0 [ 39.313222][ T4205] debugfs_create_dir+0x34/0x420 [ 39.314398][ T4205] nbd_start_device+0x3bc/0xb34 [ 39.315547][ T4205] nbd_ioctl+0x420/0xc2c [ 39.316536][ T4205] blkdev_ioctl+0x3d8/0xbd0 [ 39.317635][ T4205] block_ioctl+0xa8/0x114 [ 39.318612][ T4205] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.319783][ T4205] invoke_syscall+0x98/0x2b8 [ 39.320811][ T4205] el0_svc_common+0x138/0x258 [ 39.321911][ T4205] do_el0_svc+0x58/0x14c [ 39.322919][ T4205] el0_svc+0x7c/0x1f0 [ 39.323811][ T4205] el0t_64_sync_handler+0x84/0xe4 [ 39.324944][ T4205] el0t_64_sync+0x1a0/0x1a4 [ 39.326335][ T4205] block nbd0: Failed to create debugfs dir for 'nbd0' [ 39.328049][ T4209] FAULT_INJECTION: forcing a failure. [ 39.328049][ T4209] name failslab, interval 1, probability 0, space 0, times 0 [ 39.337668][ T4209] CPU: 1 PID: 4209 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.339720][ T4209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.342108][ T4209] Call trace: [ 39.342895][ T4209] dump_backtrace+0x0/0x530 [ 39.343972][ T4209] show_stack+0x2c/0x3c [ 39.344964][ T4209] dump_stack_lvl+0x108/0x170 [ 39.346069][ T4209] dump_stack+0x1c/0x58 [ 39.347108][ T4209] should_fail+0x3b8/0x514 executing program [ 39.348103][ T4209] __should_failslab+0xbc/0x110 [ 39.349158][ T4209] should_failslab+0x10/0x28 [ 39.350177][ T4209] slab_pre_alloc_hook+0x64/0xe8 [ 39.351246][ T4214] block nbd2: shutting down sockets [ 39.351318][ T4209] kmem_cache_alloc+0x98/0x45c [ 39.353657][ T4209] __d_alloc+0x3c/0x6a8 [ 39.354589][ T4209] d_alloc_parallel+0xb8/0x11bc [ 39.355741][ T4209] __lookup_slow+0x108/0x388 [ 39.356792][ T4209] lookup_one_len+0x178/0x28c [ 39.357857][ T4209] start_creating+0x19c/0x2e0 [ 39.358881][ T4209] debugfs_create_dir+0x34/0x420 [ 39.359993][ T4209] nbd_start_device+0x3bc/0xb34 [ 39.361135][ T4209] nbd_ioctl+0x420/0xc2c [ 39.362064][ T4209] blkdev_ioctl+0x3d8/0xbd0 [ 39.363132][ T4209] block_ioctl+0xa8/0x114 [ 39.364067][ T4209] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.365250][ T4209] invoke_syscall+0x98/0x2b8 [ 39.366387][ T4209] el0_svc_common+0x138/0x258 [ 39.367466][ T4209] do_el0_svc+0x58/0x14c [ 39.368453][ T4209] el0_svc+0x7c/0x1f0 [ 39.369450][ T4209] el0t_64_sync_handler+0x84/0xe4 [ 39.370701][ T4209] el0t_64_sync+0x1a0/0x1a4 [ 39.373166][ T4207] FAULT_INJECTION: forcing a failure. executing program [ 39.373166][ T4207] name failslab, interval 1, probability 0, space 0, times 0 [ 39.376578][ T4207] CPU: 0 PID: 4207 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.376859][ T4209] block nbd4: Failed to create debugfs dir for 'nbd4' [ 39.378544][ T4207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.378556][ T4207] Call trace: [ 39.378560][ T4207] dump_backtrace+0x0/0x530 [ 39.378576][ T4207] show_stack+0x2c/0x3c [ 39.378586][ T4207] dump_stack_lvl+0x108/0x170 [ 39.386408][ T4207] dump_stack+0x1c/0x58 [ 39.387373][ T4207] should_fail+0x3b8/0x514 [ 39.388380][ T4207] __should_failslab+0xbc/0x110 [ 39.389486][ T4207] should_failslab+0x10/0x28 [ 39.390573][ T4207] slab_pre_alloc_hook+0x64/0xe8 [ 39.391743][ T4207] kmem_cache_alloc+0x98/0x45c [ 39.392894][ T4207] new_inode_pseudo+0x110/0x200 [ 39.394056][ T4207] new_inode+0x38/0x174 [ 39.395080][ T4207] debugfs_create_dir+0xf0/0x420 [ 39.396147][ T4207] nbd_start_device+0x3bc/0xb34 [ 39.397269][ T4207] nbd_ioctl+0x420/0xc2c [ 39.398219][ T4207] blkdev_ioctl+0x3d8/0xbd0 [ 39.399196][ T4207] block_ioctl+0xa8/0x114 [ 39.400211][ T4207] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.401260][ T4207] invoke_syscall+0x98/0x2b8 [ 39.402318][ T4207] el0_svc_common+0x138/0x258 [ 39.403374][ T4207] do_el0_svc+0x58/0x14c [ 39.404405][ T4207] el0_svc+0x7c/0x1f0 [ 39.405333][ T4207] el0t_64_sync_handler+0x84/0xe4 [ 39.406490][ T4207] el0t_64_sync+0x1a0/0x1a4 [ 39.410853][ T4207] debugfs: out of free dentries, can not create directory 'nbd3' [ 39.413103][ T4214] FAULT_INJECTION: forcing a failure. [ 39.413103][ T4214] name failslab, interval 1, probability 0, space 0, times 0 [ 39.416757][ T4214] CPU: 0 PID: 4214 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.418869][ T4214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.421204][ T4214] Call trace: [ 39.421916][ T4214] dump_backtrace+0x0/0x530 [ 39.422974][ T4214] show_stack+0x2c/0x3c [ 39.423854][ T4214] dump_stack_lvl+0x108/0x170 [ 39.424915][ T4214] dump_stack+0x1c/0x58 [ 39.425837][ T4214] should_fail+0x3b8/0x514 [ 39.426513][ T4207] block nbd3: Failed to create debugfs dir for 'nbd3' [ 39.426843][ T4214] __should_failslab+0xbc/0x110 [ 39.429504][ T4214] should_failslab+0x10/0x28 [ 39.430522][ T4214] slab_pre_alloc_hook+0x64/0xe8 [ 39.431643][ T4214] kmem_cache_alloc+0x98/0x45c [ 39.432729][ T4214] new_inode_pseudo+0x110/0x200 [ 39.433782][ T4214] new_inode+0x38/0x174 [ 39.434707][ T4214] debugfs_create_dir+0xf0/0x420 [ 39.435863][ T4214] nbd_start_device+0x3bc/0xb34 [ 39.436931][ T4214] nbd_ioctl+0x420/0xc2c [ 39.437978][ T4214] blkdev_ioctl+0x3d8/0xbd0 [ 39.439041][ T4214] block_ioctl+0xa8/0x114 executing program [ 39.439988][ T4214] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.441063][ T4214] invoke_syscall+0x98/0x2b8 [ 39.442139][ T4214] el0_svc_common+0x138/0x258 [ 39.443241][ T4214] do_el0_svc+0x58/0x14c [ 39.444205][ T4214] el0_svc+0x7c/0x1f0 [ 39.445238][ T4214] el0t_64_sync_handler+0x84/0xe4 [ 39.446355][ T4214] el0t_64_sync+0x1a0/0x1a4 [ 39.448486][ T4214] debugfs: out of free dentries, can not create directory 'nbd2' executing program [ 39.450899][ T4214] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 39.475891][ T4220] block nbd0: shutting down sockets [ 39.476617][ T4221] block nbd1: shutting down sockets [ 39.486105][ T4217] FAULT_INJECTION: forcing a failure. [ 39.486105][ T4217] name failslab, interval 1, probability 0, space 0, times 0 [ 39.489277][ T4217] CPU: 0 PID: 4217 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.491134][ T4217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.493480][ T4217] Call trace: [ 39.494174][ T4217] dump_backtrace+0x0/0x530 [ 39.495250][ T4217] show_stack+0x2c/0x3c [ 39.496101][ T4217] dump_stack_lvl+0x108/0x170 [ 39.497051][ T4217] dump_stack+0x1c/0x58 [ 39.497984][ T4217] should_fail+0x3b8/0x514 [ 39.499023][ T4217] __should_failslab+0xbc/0x110 [ 39.500185][ T4217] should_failslab+0x10/0x28 [ 39.501252][ T4217] slab_pre_alloc_hook+0x64/0xe8 [ 39.502374][ T4217] kmem_cache_alloc+0x98/0x45c [ 39.503495][ T4217] __d_alloc+0x3c/0x6a8 [ 39.504423][ T4217] d_alloc_parallel+0xb8/0x11bc [ 39.505496][ T4217] __lookup_slow+0x108/0x388 [ 39.506578][ T4217] lookup_one_len+0x178/0x28c [ 39.507594][ T4217] start_creating+0x19c/0x2e0 [ 39.508732][ T4217] debugfs_create_dir+0x34/0x420 [ 39.509807][ T4217] nbd_start_device+0x3bc/0xb34 [ 39.510927][ T4217] nbd_ioctl+0x420/0xc2c [ 39.511872][ T4217] blkdev_ioctl+0x3d8/0xbd0 [ 39.512927][ T4217] block_ioctl+0xa8/0x114 [ 39.513886][ T4217] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.515035][ T4217] invoke_syscall+0x98/0x2b8 [ 39.516119][ T4217] el0_svc_common+0x138/0x258 [ 39.517206][ T4217] do_el0_svc+0x58/0x14c [ 39.518210][ T4217] el0_svc+0x7c/0x1f0 [ 39.519062][ T4217] el0t_64_sync_handler+0x84/0xe4 [ 39.520204][ T4217] el0t_64_sync+0x1a0/0x1a4 [ 39.524023][ T4220] FAULT_INJECTION: forcing a failure. [ 39.524023][ T4220] name failslab, interval 1, probability 0, space 0, times 0 [ 39.525592][ T4223] block nbd3: shutting down sockets [ 39.527055][ T4220] CPU: 0 PID: 4220 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.529819][ T4220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.532023][ T4220] Call trace: [ 39.532797][ T4220] dump_backtrace+0x0/0x530 [ 39.533760][ T4220] show_stack+0x2c/0x3c [ 39.534722][ T4220] dump_stack_lvl+0x108/0x170 [ 39.535784][ T4220] dump_stack+0x1c/0x58 [ 39.536681][ T4220] should_fail+0x3b8/0x514 [ 39.537634][ T4220] __should_failslab+0xbc/0x110 [ 39.538792][ T4220] should_failslab+0x10/0x28 [ 39.539817][ T4220] slab_pre_alloc_hook+0x64/0xe8 [ 39.539942][ T4217] block nbd1: Failed to create debugfs dir for 'nbd1' [ 39.540948][ T4220] kmem_cache_alloc+0x98/0x45c [ 39.540964][ T4220] new_inode_pseudo+0x110/0x200 [ 39.540974][ T4220] new_inode+0x38/0x174 [ 39.540983][ T4220] debugfs_create_dir+0xf0/0x420 [ 39.546836][ T4220] nbd_start_device+0x3bc/0xb34 [ 39.547928][ T4220] nbd_ioctl+0x420/0xc2c [ 39.548909][ T4220] blkdev_ioctl+0x3d8/0xbd0 [ 39.549896][ T4220] block_ioctl+0xa8/0x114 [ 39.550844][ T4220] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.552003][ T4220] invoke_syscall+0x98/0x2b8 [ 39.553138][ T4220] el0_svc_common+0x138/0x258 [ 39.554248][ T4220] do_el0_svc+0x58/0x14c [ 39.555207][ T4220] el0_svc+0x7c/0x1f0 [ 39.556100][ T4220] el0t_64_sync_handler+0x84/0xe4 [ 39.557263][ T4220] el0t_64_sync+0x1a0/0x1a4 [ 39.560107][ T4220] debugfs: out of free dentries, can not create directory 'nbd0' [ 39.562074][ T4223] FAULT_INJECTION: forcing a failure. [ 39.562074][ T4223] name failslab, interval 1, probability 0, space 0, times 0 [ 39.565476][ T4223] CPU: 0 PID: 4223 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.566024][ T4220] block nbd0: Failed to create debugfs dir for 'nbd0' [ 39.567490][ T4223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.567501][ T4223] Call trace: [ 39.567505][ T4223] dump_backtrace+0x0/0x530 [ 39.567522][ T4223] show_stack+0x2c/0x3c [ 39.567532][ T4223] dump_stack_lvl+0x108/0x170 [ 39.575003][ T4223] dump_stack+0x1c/0x58 [ 39.575967][ T4223] should_fail+0x3b8/0x514 [ 39.576952][ T4223] __should_failslab+0xbc/0x110 [ 39.578047][ T4223] should_failslab+0x10/0x28 [ 39.579108][ T4223] slab_pre_alloc_hook+0x64/0xe8 [ 39.580223][ T4223] kmem_cache_alloc+0x98/0x45c [ 39.581291][ T4223] new_inode_pseudo+0x110/0x200 [ 39.582498][ T4223] new_inode+0x38/0x174 [ 39.583454][ T4223] debugfs_create_dir+0xf0/0x420 [ 39.584594][ T4223] nbd_start_device+0x3bc/0xb34 [ 39.585711][ T4223] nbd_ioctl+0x420/0xc2c [ 39.586752][ T4223] blkdev_ioctl+0x3d8/0xbd0 [ 39.587680][ T4223] block_ioctl+0xa8/0x114 [ 39.588628][ T4223] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.589688][ T4223] invoke_syscall+0x98/0x2b8 [ 39.590767][ T4223] el0_svc_common+0x138/0x258 [ 39.591769][ T4223] do_el0_svc+0x58/0x14c [ 39.592717][ T4223] el0_svc+0x7c/0x1f0 [ 39.593660][ T4223] el0t_64_sync_handler+0x84/0xe4 [ 39.594830][ T4223] el0t_64_sync+0x1a0/0x1a4 [ 39.597897][ T4227] block nbd2: shutting down sockets executing program [ 39.615134][ T4229] block nbd4: shutting down sockets [ 39.615560][ T4223] debugfs: out of free dentries, can not create directory 'nbd3' [ 39.618388][ T4223] block nbd3: Failed to create debugfs dir for 'nbd3' [ 39.618706][ T4227] FAULT_INJECTION: forcing a failure. executing program [ 39.618706][ T4227] name failslab, interval 1, probability 0, space 0, times 0 [ 39.623019][ T4227] CPU: 0 PID: 4227 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.624886][ T4227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.627155][ T4227] Call trace: [ 39.627948][ T4227] dump_backtrace+0x0/0x530 [ 39.628983][ T4227] show_stack+0x2c/0x3c [ 39.629938][ T4227] dump_stack_lvl+0x108/0x170 [ 39.630997][ T4227] dump_stack+0x1c/0x58 [ 39.631930][ T4227] should_fail+0x3b8/0x514 [ 39.633038][ T4227] __should_failslab+0xbc/0x110 [ 39.634089][ T4227] should_failslab+0x10/0x28 [ 39.635083][ T4227] slab_pre_alloc_hook+0x64/0xe8 [ 39.636259][ T4227] kmem_cache_alloc+0x98/0x45c [ 39.637295][ T4227] new_inode_pseudo+0x110/0x200 [ 39.638473][ T4227] new_inode+0x38/0x174 [ 39.639460][ T4227] debugfs_create_dir+0xf0/0x420 [ 39.640646][ T4227] nbd_start_device+0x3bc/0xb34 [ 39.641729][ T4227] nbd_ioctl+0x420/0xc2c [ 39.642744][ T4227] blkdev_ioctl+0x3d8/0xbd0 [ 39.643823][ T4227] block_ioctl+0xa8/0x114 [ 39.644793][ T4227] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.645960][ T4227] invoke_syscall+0x98/0x2b8 [ 39.647034][ T4227] el0_svc_common+0x138/0x258 [ 39.648168][ T4227] do_el0_svc+0x58/0x14c [ 39.649123][ T4227] el0_svc+0x7c/0x1f0 [ 39.650067][ T4227] el0t_64_sync_handler+0x84/0xe4 [ 39.651142][ T4227] el0t_64_sync+0x1a0/0x1a4 executing program [ 39.656152][ T4227] debugfs: out of free dentries, can not create directory 'nbd2' [ 39.658067][ T4225] FAULT_INJECTION: forcing a failure. [ 39.658067][ T4225] name failslab, interval 1, probability 0, space 0, times 0 [ 39.661020][ T4225] CPU: 0 PID: 4225 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.661995][ T4227] block nbd2: Failed to create debugfs dir for 'nbd2' [ 39.662897][ T4225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.662908][ T4225] Call trace: [ 39.662911][ T4225] dump_backtrace+0x0/0x530 [ 39.662929][ T4225] show_stack+0x2c/0x3c [ 39.662939][ T4225] dump_stack_lvl+0x108/0x170 [ 39.670706][ T4225] dump_stack+0x1c/0x58 [ 39.671684][ T4225] should_fail+0x3b8/0x514 [ 39.672681][ T4225] __should_failslab+0xbc/0x110 [ 39.673809][ T4225] should_failslab+0x10/0x28 [ 39.674829][ T4225] slab_pre_alloc_hook+0x64/0xe8 [ 39.676036][ T4225] kmem_cache_alloc+0x98/0x45c [ 39.677139][ T4225] new_inode_pseudo+0x110/0x200 [ 39.678215][ T4225] new_inode+0x38/0x174 [ 39.679257][ T4225] debugfs_create_dir+0xf0/0x420 [ 39.680418][ T4225] nbd_start_device+0x3bc/0xb34 [ 39.681613][ T4225] nbd_ioctl+0x420/0xc2c [ 39.682634][ T4225] blkdev_ioctl+0x3d8/0xbd0 [ 39.683659][ T4225] block_ioctl+0xa8/0x114 [ 39.684656][ T4225] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.685792][ T4225] invoke_syscall+0x98/0x2b8 [ 39.686890][ T4225] el0_svc_common+0x138/0x258 [ 39.688016][ T4225] do_el0_svc+0x58/0x14c [ 39.688978][ T4225] el0_svc+0x7c/0x1f0 [ 39.689925][ T4225] el0t_64_sync_handler+0x84/0xe4 [ 39.691065][ T4225] el0t_64_sync+0x1a0/0x1a4 executing program [ 39.694412][ T4225] debugfs: out of free dentries, can not create directory 'nbd4' [ 39.696584][ T4225] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 39.725535][ T4237] block nbd1: shutting down sockets [ 39.730419][ T4234] FAULT_INJECTION: forcing a failure. [ 39.730419][ T4234] name failslab, interval 1, probability 0, space 0, times 0 [ 39.733217][ T4234] CPU: 0 PID: 4234 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.734975][ T4234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.737261][ T4234] Call trace: [ 39.738052][ T4234] dump_backtrace+0x0/0x530 [ 39.739146][ T4234] show_stack+0x2c/0x3c [ 39.740137][ T4234] dump_stack_lvl+0x108/0x170 [ 39.741198][ T4234] dump_stack+0x1c/0x58 [ 39.742227][ T4234] should_fail+0x3b8/0x514 [ 39.743202][ T4234] __should_failslab+0xbc/0x110 [ 39.744265][ T4234] should_failslab+0x10/0x28 [ 39.745250][ T4234] slab_pre_alloc_hook+0x64/0xe8 [ 39.746388][ T4234] kmem_cache_alloc+0x98/0x45c [ 39.747409][ T4234] __d_alloc+0x3c/0x6a8 [ 39.748399][ T4234] d_alloc_parallel+0xb8/0x11bc [ 39.749502][ T4234] __lookup_slow+0x108/0x388 [ 39.750517][ T4234] lookup_one_len+0x178/0x28c [ 39.751652][ T4234] start_creating+0x19c/0x2e0 [ 39.752731][ T4234] debugfs_create_dir+0x34/0x420 [ 39.753950][ T4234] nbd_start_device+0x3bc/0xb34 [ 39.755101][ T4234] nbd_ioctl+0x420/0xc2c [ 39.756083][ T4234] blkdev_ioctl+0x3d8/0xbd0 [ 39.757122][ T4234] block_ioctl+0xa8/0x114 [ 39.758054][ T4234] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.759212][ T4234] invoke_syscall+0x98/0x2b8 [ 39.760298][ T4234] el0_svc_common+0x138/0x258 [ 39.761335][ T4234] do_el0_svc+0x58/0x14c [ 39.762297][ T4234] el0_svc+0x7c/0x1f0 [ 39.763182][ T4234] el0t_64_sync_handler+0x84/0xe4 [ 39.764354][ T4234] el0t_64_sync+0x1a0/0x1a4 [ 39.767923][ T4234] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 39.776579][ T4245] block nbd0: shutting down sockets [ 39.786041][ T4238] block nbd3: shutting down sockets [ 39.791181][ T4235] FAULT_INJECTION: forcing a failure. [ 39.791181][ T4235] name failslab, interval 1, probability 0, space 0, times 0 [ 39.794193][ T4235] CPU: 0 PID: 4235 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.796172][ T4235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.798459][ T4235] Call trace: [ 39.799228][ T4235] dump_backtrace+0x0/0x530 [ 39.800305][ T4235] show_stack+0x2c/0x3c [ 39.801207][ T4235] dump_stack_lvl+0x108/0x170 [ 39.802280][ T4235] dump_stack+0x1c/0x58 [ 39.803213][ T4235] should_fail+0x3b8/0x514 [ 39.804215][ T4235] __should_failslab+0xbc/0x110 [ 39.805411][ T4235] should_failslab+0x10/0x28 [ 39.806470][ T4235] slab_pre_alloc_hook+0x64/0xe8 [ 39.807592][ T4235] kmem_cache_alloc+0x98/0x45c [ 39.808724][ T4235] __d_alloc+0x3c/0x6a8 [ 39.809728][ T4235] d_alloc_parallel+0xb8/0x11bc [ 39.810799][ T4235] __lookup_slow+0x108/0x388 [ 39.811895][ T4235] lookup_one_len+0x178/0x28c [ 39.813114][ T4235] start_creating+0x19c/0x2e0 [ 39.814152][ T4235] debugfs_create_dir+0x34/0x420 [ 39.815240][ T4235] nbd_start_device+0x3bc/0xb34 [ 39.816318][ T4235] nbd_ioctl+0x420/0xc2c [ 39.817284][ T4235] blkdev_ioctl+0x3d8/0xbd0 [ 39.818262][ T4235] block_ioctl+0xa8/0x114 [ 39.819212][ T4235] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.820333][ T4235] invoke_syscall+0x98/0x2b8 [ 39.821444][ T4235] el0_svc_common+0x138/0x258 [ 39.822412][ T4235] do_el0_svc+0x58/0x14c [ 39.823331][ T4235] el0_svc+0x7c/0x1f0 [ 39.824131][ T4235] el0t_64_sync_handler+0x84/0xe4 [ 39.825185][ T4235] el0t_64_sync+0x1a0/0x1a4 [ 39.827194][ T4238] FAULT_INJECTION: forcing a failure. [ 39.827194][ T4238] name failslab, interval 1, probability 0, space 0, times 0 [ 39.829444][ T4235] block nbd0: Failed to create debugfs dir for 'nbd0' [ 39.830578][ T4238] CPU: 1 PID: 4238 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.833825][ T4238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.836161][ T4238] Call trace: [ 39.836894][ T4238] dump_backtrace+0x0/0x530 [ 39.837982][ T4238] show_stack+0x2c/0x3c [ 39.838941][ T4238] dump_stack_lvl+0x108/0x170 [ 39.840079][ T4238] dump_stack+0x1c/0x58 [ 39.841039][ T4238] should_fail+0x3b8/0x514 [ 39.842064][ T4238] __should_failslab+0xbc/0x110 [ 39.843158][ T4238] should_failslab+0x10/0x28 [ 39.844180][ T4238] slab_pre_alloc_hook+0x64/0xe8 [ 39.845336][ T4238] kmem_cache_alloc+0x98/0x45c [ 39.846443][ T4238] __d_alloc+0x3c/0x6a8 [ 39.847377][ T4238] d_alloc_parallel+0xb8/0x11bc [ 39.848584][ T4238] __lookup_slow+0x108/0x388 [ 39.849750][ T4238] lookup_one_len+0x178/0x28c [ 39.850907][ T4238] start_creating+0x19c/0x2e0 [ 39.851949][ T4238] debugfs_create_dir+0x34/0x420 [ 39.853082][ T4238] nbd_start_device+0x3bc/0xb34 [ 39.854188][ T4238] nbd_ioctl+0x420/0xc2c [ 39.855157][ T4238] blkdev_ioctl+0x3d8/0xbd0 [ 39.856178][ T4238] block_ioctl+0xa8/0x114 [ 39.857201][ T4238] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.858350][ T4238] invoke_syscall+0x98/0x2b8 [ 39.859500][ T4238] el0_svc_common+0x138/0x258 [ 39.860595][ T4238] do_el0_svc+0x58/0x14c [ 39.861565][ T4238] el0_svc+0x7c/0x1f0 [ 39.862589][ T4238] el0t_64_sync_handler+0x84/0xe4 [ 39.863718][ T4238] el0t_64_sync+0x1a0/0x1a4 [ 39.866686][ T4238] block nbd3: Failed to create debugfs dir for 'nbd3' [ 39.867845][ T4243] block nbd4: shutting down sockets [ 39.875590][ T4246] block nbd2: shutting down sockets executing program [ 39.887447][ T4240] FAULT_INJECTION: forcing a failure. [ 39.887447][ T4240] name failslab, interval 1, probability 0, space 0, times 0 [ 39.890299][ T4240] CPU: 0 PID: 4240 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.892223][ T4240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.894512][ T4240] Call trace: [ 39.895228][ T4240] dump_backtrace+0x0/0x530 [ 39.896229][ T4240] show_stack+0x2c/0x3c [ 39.897201][ T4240] dump_stack_lvl+0x108/0x170 executing program [ 39.898237][ T4240] dump_stack+0x1c/0x58 [ 39.899218][ T4240] should_fail+0x3b8/0x514 [ 39.900254][ T4240] __should_failslab+0xbc/0x110 [ 39.901424][ T4240] should_failslab+0x10/0x28 [ 39.902469][ T4240] slab_pre_alloc_hook+0x64/0xe8 [ 39.903664][ T4240] kmem_cache_alloc+0x98/0x45c [ 39.904759][ T4240] __d_alloc+0x3c/0x6a8 [ 39.905716][ T4240] d_alloc_parallel+0xb8/0x11bc [ 39.906829][ T4240] __lookup_slow+0x108/0x388 [ 39.907907][ T4240] lookup_one_len+0x178/0x28c [ 39.908984][ T4240] start_creating+0x19c/0x2e0 [ 39.910198][ T4240] debugfs_create_dir+0x34/0x420 [ 39.911314][ T4240] nbd_start_device+0x3bc/0xb34 [ 39.912484][ T4240] nbd_ioctl+0x420/0xc2c [ 39.913494][ T4240] blkdev_ioctl+0x3d8/0xbd0 [ 39.914493][ T4240] block_ioctl+0xa8/0x114 [ 39.915514][ T4240] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.916716][ T4240] invoke_syscall+0x98/0x2b8 [ 39.917799][ T4240] el0_svc_common+0x138/0x258 [ 39.918925][ T4240] do_el0_svc+0x58/0x14c [ 39.919905][ T4240] el0_svc+0x7c/0x1f0 [ 39.920939][ T4240] el0t_64_sync_handler+0x84/0xe4 [ 39.922068][ T4240] el0t_64_sync+0x1a0/0x1a4 [ 39.924844][ T4243] FAULT_INJECTION: forcing a failure. [ 39.924844][ T4243] name failslab, interval 1, probability 0, space 0, times 0 [ 39.926735][ T4240] block nbd2: Failed to create debugfs dir for 'nbd2' [ 39.928271][ T4243] CPU: 1 PID: 4243 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.931246][ T4243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.933444][ T4243] Call trace: [ 39.934224][ T4243] dump_backtrace+0x0/0x530 [ 39.935271][ T4243] show_stack+0x2c/0x3c [ 39.936226][ T4243] dump_stack_lvl+0x108/0x170 [ 39.937352][ T4243] dump_stack+0x1c/0x58 [ 39.938285][ T4243] should_fail+0x3b8/0x514 [ 39.939293][ T4243] __should_failslab+0xbc/0x110 [ 39.940424][ T4243] should_failslab+0x10/0x28 [ 39.941405][ T4243] slab_pre_alloc_hook+0x64/0xe8 [ 39.942329][ T4243] kmem_cache_alloc+0x98/0x45c [ 39.943443][ T4243] new_inode_pseudo+0x110/0x200 [ 39.944600][ T4243] new_inode+0x38/0x174 [ 39.945567][ T4243] debugfs_create_dir+0xf0/0x420 [ 39.946748][ T4243] nbd_start_device+0x3bc/0xb34 [ 39.947822][ T4243] nbd_ioctl+0x420/0xc2c [ 39.948769][ T4243] blkdev_ioctl+0x3d8/0xbd0 [ 39.949750][ T4243] block_ioctl+0xa8/0x114 [ 39.950751][ T4243] __arm64_sys_ioctl+0x14c/0x1c8 [ 39.951938][ T4243] invoke_syscall+0x98/0x2b8 [ 39.952969][ T4243] el0_svc_common+0x138/0x258 [ 39.954050][ T4243] do_el0_svc+0x58/0x14c [ 39.955054][ T4243] el0_svc+0x7c/0x1f0 [ 39.955945][ T4243] el0t_64_sync_handler+0x84/0xe4 [ 39.957093][ T4243] el0t_64_sync+0x1a0/0x1a4 executing program [ 39.961856][ T4243] debugfs: out of free dentries, can not create directory 'nbd4' [ 39.962469][ T4248] block nbd1: shutting down sockets [ 39.963796][ T4243] block nbd4: Failed to create debugfs dir for 'nbd4' [ 39.986574][ T4253] block nbd3: shutting down sockets executing program [ 39.988563][ T4251] block nbd0: shutting down sockets [ 39.990934][ T4248] FAULT_INJECTION: forcing a failure. [ 39.990934][ T4248] name failslab, interval 1, probability 0, space 0, times 0 [ 39.994226][ T4248] CPU: 1 PID: 4248 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 39.996251][ T4248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 39.998583][ T4248] Call trace: [ 39.999350][ T4248] dump_backtrace+0x0/0x530 [ 40.000447][ T4248] show_stack+0x2c/0x3c [ 40.001457][ T4248] dump_stack_lvl+0x108/0x170 [ 40.002544][ T4248] dump_stack+0x1c/0x58 [ 40.003462][ T4248] should_fail+0x3b8/0x514 [ 40.004535][ T4248] __should_failslab+0xbc/0x110 [ 40.005652][ T4248] should_failslab+0x10/0x28 [ 40.006683][ T4248] slab_pre_alloc_hook+0x64/0xe8 [ 40.007882][ T4248] kmem_cache_alloc+0x98/0x45c [ 40.008999][ T4248] __d_alloc+0x3c/0x6a8 [ 40.010004][ T4248] d_alloc_parallel+0xb8/0x11bc [ 40.011152][ T4248] __lookup_slow+0x108/0x388 [ 40.012203][ T4248] lookup_one_len+0x178/0x28c [ 40.013221][ T4248] start_creating+0x19c/0x2e0 [ 40.014299][ T4248] debugfs_create_dir+0x34/0x420 [ 40.015456][ T4248] nbd_start_device+0x3bc/0xb34 [ 40.016670][ T4248] nbd_ioctl+0x420/0xc2c [ 40.017737][ T4248] blkdev_ioctl+0x3d8/0xbd0 [ 40.018838][ T4248] block_ioctl+0xa8/0x114 [ 40.019873][ T4248] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.021066][ T4248] invoke_syscall+0x98/0x2b8 [ 40.022124][ T4248] el0_svc_common+0x138/0x258 [ 40.023197][ T4248] do_el0_svc+0x58/0x14c [ 40.024214][ T4248] el0_svc+0x7c/0x1f0 [ 40.025103][ T4248] el0t_64_sync_handler+0x84/0xe4 [ 40.026311][ T4248] el0t_64_sync+0x1a0/0x1a4 [ 40.028126][ T4248] block nbd1: Failed to create debugfs dir for 'nbd1' [ 40.029914][ T4251] FAULT_INJECTION: forcing a failure. [ 40.029914][ T4251] name failslab, interval 1, probability 0, space 0, times 0 [ 40.033086][ T4251] CPU: 1 PID: 4251 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.035104][ T4251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.037327][ T4251] Call trace: [ 40.038117][ T4251] dump_backtrace+0x0/0x530 [ 40.039144][ T4251] show_stack+0x2c/0x3c [ 40.040151][ T4251] dump_stack_lvl+0x108/0x170 [ 40.041139][ T4251] dump_stack+0x1c/0x58 [ 40.042166][ T4251] should_fail+0x3b8/0x514 [ 40.043223][ T4251] __should_failslab+0xbc/0x110 [ 40.044358][ T4251] should_failslab+0x10/0x28 [ 40.045401][ T4251] slab_pre_alloc_hook+0x64/0xe8 [ 40.046569][ T4251] kmem_cache_alloc+0x98/0x45c [ 40.047651][ T4251] new_inode_pseudo+0x110/0x200 [ 40.048830][ T4251] new_inode+0x38/0x174 [ 40.049780][ T4251] debugfs_create_dir+0xf0/0x420 [ 40.050975][ T4251] nbd_start_device+0x3bc/0xb34 [ 40.052047][ T4251] nbd_ioctl+0x420/0xc2c [ 40.052990][ T4251] blkdev_ioctl+0x3d8/0xbd0 [ 40.053974][ T4251] block_ioctl+0xa8/0x114 [ 40.055047][ T4251] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.056216][ T4251] invoke_syscall+0x98/0x2b8 [ 40.057280][ T4251] el0_svc_common+0x138/0x258 [ 40.058332][ T4251] do_el0_svc+0x58/0x14c executing program [ 40.059351][ T4251] el0_svc+0x7c/0x1f0 [ 40.060287][ T4251] el0t_64_sync_handler+0x84/0xe4 [ 40.061420][ T4251] el0t_64_sync+0x1a0/0x1a4 [ 40.064844][ T4251] debugfs: out of free dentries, can not create directory 'nbd0' [ 40.066545][ T4253] FAULT_INJECTION: forcing a failure. [ 40.066545][ T4253] name failslab, interval 1, probability 0, space 0, times 0 [ 40.067079][ T4251] block nbd0: Failed to create debugfs dir for 'nbd0' [ 40.069272][ T4253] CPU: 1 PID: 4253 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.069290][ T4253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.069297][ T4253] Call trace: [ 40.069301][ T4253] dump_backtrace+0x0/0x530 [ 40.069316][ T4253] show_stack+0x2c/0x3c [ 40.077444][ T4263] block nbd2: shutting down sockets [ 40.077893][ T4253] dump_stack_lvl+0x108/0x170 [ 40.080255][ T4253] dump_stack+0x1c/0x58 [ 40.081305][ T4253] should_fail+0x3b8/0x514 [ 40.082442][ T4253] __should_failslab+0xbc/0x110 [ 40.083595][ T4253] should_failslab+0x10/0x28 [ 40.084677][ T4253] slab_pre_alloc_hook+0x64/0xe8 [ 40.085906][ T4253] kmem_cache_alloc+0x98/0x45c [ 40.086991][ T4253] new_inode_pseudo+0x110/0x200 [ 40.088177][ T4253] new_inode+0x38/0x174 [ 40.089211][ T4253] debugfs_create_dir+0xf0/0x420 [ 40.090367][ T4253] nbd_start_device+0x3bc/0xb34 [ 40.091524][ T4253] nbd_ioctl+0x420/0xc2c [ 40.092470][ T4253] blkdev_ioctl+0x3d8/0xbd0 [ 40.093509][ T4253] block_ioctl+0xa8/0x114 [ 40.094491][ T4253] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.095656][ T4253] invoke_syscall+0x98/0x2b8 [ 40.096684][ T4253] el0_svc_common+0x138/0x258 [ 40.097789][ T4253] do_el0_svc+0x58/0x14c [ 40.098659][ T4253] el0_svc+0x7c/0x1f0 [ 40.099577][ T4253] el0t_64_sync_handler+0x84/0xe4 [ 40.100742][ T4253] el0t_64_sync+0x1a0/0x1a4 [ 40.102574][ T4253] debugfs: out of free dentries, can not create directory 'nbd3' [ 40.104783][ T4253] block nbd3: Failed to create debugfs dir for 'nbd3' [ 40.106679][ T4256] FAULT_INJECTION: forcing a failure. [ 40.106679][ T4256] name failslab, interval 1, probability 0, space 0, times 0 [ 40.109963][ T4256] CPU: 1 PID: 4256 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.111830][ T4256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.114182][ T4256] Call trace: [ 40.114916][ T4256] dump_backtrace+0x0/0x530 [ 40.115914][ T4256] show_stack+0x2c/0x3c [ 40.116969][ T4256] dump_stack_lvl+0x108/0x170 [ 40.117996][ T4256] dump_stack+0x1c/0x58 [ 40.118990][ T4256] should_fail+0x3b8/0x514 [ 40.119901][ T4256] __should_failslab+0xbc/0x110 [ 40.120923][ T4256] should_failslab+0x10/0x28 [ 40.121967][ T4256] slab_pre_alloc_hook+0x64/0xe8 [ 40.123223][ T4256] kmem_cache_alloc+0x98/0x45c [ 40.124315][ T4256] new_inode_pseudo+0x110/0x200 [ 40.125476][ T4256] new_inode+0x38/0x174 [ 40.126426][ T4256] debugfs_create_dir+0xf0/0x420 [ 40.127524][ T4256] nbd_start_device+0x3bc/0xb34 [ 40.128590][ T4256] nbd_ioctl+0x420/0xc2c [ 40.129597][ T4256] blkdev_ioctl+0x3d8/0xbd0 executing program [ 40.130723][ T4256] block_ioctl+0xa8/0x114 [ 40.131657][ T4256] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.132717][ T4256] invoke_syscall+0x98/0x2b8 [ 40.133697][ T4256] el0_svc_common+0x138/0x258 [ 40.134836][ T4256] do_el0_svc+0x58/0x14c [ 40.135828][ T4256] el0_svc+0x7c/0x1f0 [ 40.136739][ T4256] el0t_64_sync_handler+0x84/0xe4 [ 40.137857][ T4256] el0t_64_sync+0x1a0/0x1a4 [ 40.139989][ T4256] debugfs: out of free dentries, can not create directory 'nbd2' executing program [ 40.142002][ T4256] block nbd2: Failed to create debugfs dir for 'nbd2' [ 40.148975][ T4262] block nbd4: shutting down sockets executing program [ 40.153570][ T4259] FAULT_INJECTION: forcing a failure. [ 40.153570][ T4259] name failslab, interval 1, probability 0, space 0, times 0 [ 40.158273][ T4259] CPU: 0 PID: 4259 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.158568][ T4261] block nbd1: shutting down sockets [ 40.160187][ T4259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.160197][ T4259] Call trace: [ 40.160201][ T4259] dump_backtrace+0x0/0x530 [ 40.160217][ T4259] show_stack+0x2c/0x3c [ 40.160227][ T4259] dump_stack_lvl+0x108/0x170 [ 40.160238][ T4259] dump_stack+0x1c/0x58 [ 40.168421][ T4259] should_fail+0x3b8/0x514 [ 40.169427][ T4259] __should_failslab+0xbc/0x110 [ 40.170564][ T4259] should_failslab+0x10/0x28 [ 40.171641][ T4259] slab_pre_alloc_hook+0x64/0xe8 [ 40.172663][ T4259] kmem_cache_alloc+0x98/0x45c [ 40.173637][ T4259] __d_alloc+0x3c/0x6a8 [ 40.174547][ T4259] d_alloc_parallel+0xb8/0x11bc [ 40.175685][ T4259] __lookup_slow+0x108/0x388 [ 40.176694][ T4259] lookup_one_len+0x178/0x28c [ 40.177809][ T4259] start_creating+0x19c/0x2e0 [ 40.178809][ T4259] debugfs_create_dir+0x34/0x420 [ 40.179915][ T4259] nbd_start_device+0x3bc/0xb34 [ 40.180975][ T4259] nbd_ioctl+0x420/0xc2c [ 40.181913][ T4259] blkdev_ioctl+0x3d8/0xbd0 [ 40.182961][ T4259] block_ioctl+0xa8/0x114 [ 40.183960][ T4259] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.185006][ T4259] invoke_syscall+0x98/0x2b8 [ 40.186118][ T4259] el0_svc_common+0x138/0x258 [ 40.187124][ T4259] do_el0_svc+0x58/0x14c [ 40.188126][ T4259] el0_svc+0x7c/0x1f0 [ 40.188965][ T4259] el0t_64_sync_handler+0x84/0xe4 [ 40.190067][ T4259] el0t_64_sync+0x1a0/0x1a4 [ 40.191314][ T4261] FAULT_INJECTION: forcing a failure. [ 40.191314][ T4261] name failslab, interval 1, probability 0, space 0, times 0 [ 40.194191][ T4261] CPU: 0 PID: 4261 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.196235][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.198473][ T4261] Call trace: [ 40.199288][ T4261] dump_backtrace+0x0/0x530 [ 40.200295][ T4261] show_stack+0x2c/0x3c [ 40.201287][ T4261] dump_stack_lvl+0x108/0x170 [ 40.202316][ T4261] dump_stack+0x1c/0x58 [ 40.202678][ T4259] block nbd4: Failed to create debugfs dir for 'nbd4' [ 40.203229][ T4261] should_fail+0x3b8/0x514 [ 40.206278][ T4261] __should_failslab+0xbc/0x110 [ 40.207451][ T4261] should_failslab+0x10/0x28 [ 40.208516][ T4261] slab_pre_alloc_hook+0x64/0xe8 [ 40.209682][ T4261] kmem_cache_alloc+0x98/0x45c [ 40.210792][ T4261] new_inode_pseudo+0x110/0x200 [ 40.211937][ T4261] new_inode+0x38/0x174 [ 40.213016][ T4261] debugfs_create_dir+0xf0/0x420 [ 40.214239][ T4261] nbd_start_device+0x3bc/0xb34 [ 40.215372][ T4261] nbd_ioctl+0x420/0xc2c [ 40.216413][ T4261] blkdev_ioctl+0x3d8/0xbd0 [ 40.217487][ T4261] block_ioctl+0xa8/0x114 [ 40.218488][ T4261] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.219669][ T4261] invoke_syscall+0x98/0x2b8 [ 40.220680][ T4261] el0_svc_common+0x138/0x258 [ 40.221720][ T4261] do_el0_svc+0x58/0x14c [ 40.222781][ T4261] el0_svc+0x7c/0x1f0 [ 40.223771][ T4261] el0t_64_sync_handler+0x84/0xe4 [ 40.224963][ T4261] el0t_64_sync+0x1a0/0x1a4 [ 40.226759][ T4261] debugfs: out of free dentries, can not create directory 'nbd1' [ 40.228506][ T4261] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 40.237650][ T4271] block nbd3: shutting down sockets [ 40.246186][ T4272] block nbd0: shutting down sockets [ 40.247452][ T4273] block nbd2: shutting down sockets executing program [ 40.256796][ T4269] FAULT_INJECTION: forcing a failure. [ 40.256796][ T4269] name failslab, interval 1, probability 0, space 0, times 0 [ 40.259888][ T4269] CPU: 1 PID: 4269 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.262069][ T4269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.264561][ T4269] Call trace: [ 40.265406][ T4269] dump_backtrace+0x0/0x530 [ 40.266524][ T4269] show_stack+0x2c/0x3c [ 40.267451][ T4269] dump_stack_lvl+0x108/0x170 [ 40.268685][ T4269] dump_stack+0x1c/0x58 [ 40.269770][ T4269] should_fail+0x3b8/0x514 [ 40.270870][ T4269] __should_failslab+0xbc/0x110 [ 40.272110][ T4269] should_failslab+0x10/0x28 [ 40.273185][ T4269] slab_pre_alloc_hook+0x64/0xe8 [ 40.274442][ T4269] kmem_cache_alloc+0x98/0x45c [ 40.275715][ T4269] __d_alloc+0x3c/0x6a8 [ 40.276762][ T4269] d_alloc_parallel+0xb8/0x11bc [ 40.277926][ T4269] __lookup_slow+0x108/0x388 [ 40.279080][ T4269] lookup_one_len+0x178/0x28c [ 40.280203][ T4269] start_creating+0x19c/0x2e0 [ 40.281288][ T4269] debugfs_create_dir+0x34/0x420 [ 40.282506][ T4269] nbd_start_device+0x3bc/0xb34 [ 40.283746][ T4269] nbd_ioctl+0x420/0xc2c [ 40.284736][ T4269] blkdev_ioctl+0x3d8/0xbd0 [ 40.285902][ T4269] block_ioctl+0xa8/0x114 [ 40.286978][ T4269] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.288255][ T4269] invoke_syscall+0x98/0x2b8 [ 40.289380][ T4269] el0_svc_common+0x138/0x258 [ 40.290497][ T4269] do_el0_svc+0x58/0x14c [ 40.291537][ T4269] el0_svc+0x7c/0x1f0 [ 40.292484][ T4269] el0t_64_sync_handler+0x84/0xe4 [ 40.293791][ T4269] el0t_64_sync+0x1a0/0x1a4 [ 40.296149][ T4265] FAULT_INJECTION: forcing a failure. [ 40.296149][ T4265] name failslab, interval 1, probability 0, space 0, times 0 [ 40.299201][ T4265] CPU: 1 PID: 4265 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.301145][ T4265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.302921][ T4269] block nbd2: Failed to create debugfs dir for 'nbd2' [ 40.303504][ T4265] Call trace: [ 40.305820][ T4265] dump_backtrace+0x0/0x530 [ 40.306977][ T4265] show_stack+0x2c/0x3c [ 40.307973][ T4265] dump_stack_lvl+0x108/0x170 [ 40.309188][ T4265] dump_stack+0x1c/0x58 [ 40.310253][ T4265] should_fail+0x3b8/0x514 [ 40.311361][ T4265] __should_failslab+0xbc/0x110 [ 40.312599][ T4265] should_failslab+0x10/0x28 [ 40.313700][ T4265] slab_pre_alloc_hook+0x64/0xe8 [ 40.314959][ T4265] kmem_cache_alloc+0x98/0x45c [ 40.316269][ T4265] new_inode_pseudo+0x110/0x200 [ 40.317445][ T4265] new_inode+0x38/0x174 [ 40.318545][ T4265] debugfs_create_dir+0xf0/0x420 [ 40.319903][ T4265] nbd_start_device+0x3bc/0xb34 [ 40.321224][ T4265] nbd_ioctl+0x420/0xc2c [ 40.322182][ T4265] blkdev_ioctl+0x3d8/0xbd0 [ 40.323315][ T4265] block_ioctl+0xa8/0x114 [ 40.324413][ T4265] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.325731][ T4265] invoke_syscall+0x98/0x2b8 [ 40.326937][ T4265] el0_svc_common+0x138/0x258 [ 40.328042][ T4265] do_el0_svc+0x58/0x14c [ 40.329123][ T4265] el0_svc+0x7c/0x1f0 [ 40.330078][ T4265] el0t_64_sync_handler+0x84/0xe4 [ 40.331206][ T4265] el0t_64_sync+0x1a0/0x1a4 executing program [ 40.334133][ T4265] debugfs: out of free dentries, can not create directory 'nbd3' [ 40.335984][ T4267] FAULT_INJECTION: forcing a failure. [ 40.335984][ T4267] name failslab, interval 1, probability 0, space 0, times 0 [ 40.338427][ T4265] block nbd3: Failed to create debugfs dir for 'nbd3' [ 40.339021][ T4267] CPU: 1 PID: 4267 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.339050][ T4267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.339058][ T4267] Call trace: [ 40.339064][ T4267] dump_backtrace+0x0/0x530 [ 40.339080][ T4267] show_stack+0x2c/0x3c [ 40.348491][ T4267] dump_stack_lvl+0x108/0x170 [ 40.349727][ T4267] dump_stack+0x1c/0x58 [ 40.350700][ T4267] should_fail+0x3b8/0x514 [ 40.351833][ T4267] __should_failslab+0xbc/0x110 [ 40.352965][ T4267] should_failslab+0x10/0x28 [ 40.354132][ T4267] slab_pre_alloc_hook+0x64/0xe8 [ 40.355463][ T4267] kmem_cache_alloc+0x98/0x45c [ 40.356659][ T4267] new_inode_pseudo+0x110/0x200 [ 40.357802][ T4267] new_inode+0x38/0x174 [ 40.358967][ T4267] debugfs_create_dir+0xf0/0x420 [ 40.360310][ T4267] nbd_start_device+0x3bc/0xb34 [ 40.361483][ T4267] nbd_ioctl+0x420/0xc2c [ 40.362527][ T4267] blkdev_ioctl+0x3d8/0xbd0 [ 40.363658][ T4267] block_ioctl+0xa8/0x114 [ 40.364835][ T4267] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.366140][ T4267] invoke_syscall+0x98/0x2b8 [ 40.367394][ T4267] el0_svc_common+0x138/0x258 executing program [ 40.368513][ T4267] do_el0_svc+0x58/0x14c [ 40.369558][ T4267] el0_svc+0x7c/0x1f0 [ 40.370525][ T4267] el0t_64_sync_handler+0x84/0xe4 [ 40.371892][ T4267] el0t_64_sync+0x1a0/0x1a4 [ 40.373721][ T4275] block nbd4: shutting down sockets [ 40.375707][ T4267] debugfs: out of free dentries, can not create directory 'nbd0' [ 40.377807][ T4267] block nbd0: Failed to create debugfs dir for 'nbd0' [ 40.387280][ T4275] FAULT_INJECTION: forcing a failure. [ 40.387280][ T4275] name failslab, interval 1, probability 0, space 0, times 0 [ 40.387998][ T4277] block nbd1: shutting down sockets [ 40.390133][ T4275] CPU: 1 PID: 4275 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.390155][ T4275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.390166][ T4275] Call trace: [ 40.390170][ T4275] dump_backtrace+0x0/0x530 [ 40.397867][ T4275] show_stack+0x2c/0x3c [ 40.398981][ T4275] dump_stack_lvl+0x108/0x170 [ 40.400227][ T4275] dump_stack+0x1c/0x58 [ 40.401330][ T4275] should_fail+0x3b8/0x514 [ 40.402471][ T4275] __should_failslab+0xbc/0x110 [ 40.403791][ T4275] should_failslab+0x10/0x28 [ 40.405039][ T4275] slab_pre_alloc_hook+0x64/0xe8 [ 40.406336][ T4275] kmem_cache_alloc+0x98/0x45c [ 40.407538][ T4275] new_inode_pseudo+0x110/0x200 [ 40.408744][ T4275] new_inode+0x38/0x174 [ 40.409805][ T4275] debugfs_create_dir+0xf0/0x420 [ 40.411077][ T4275] nbd_start_device+0x3bc/0xb34 executing program [ 40.412359][ T4275] nbd_ioctl+0x420/0xc2c [ 40.413393][ T4275] blkdev_ioctl+0x3d8/0xbd0 [ 40.414507][ T4275] block_ioctl+0xa8/0x114 [ 40.415630][ T4275] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.416828][ T4275] invoke_syscall+0x98/0x2b8 [ 40.417972][ T4275] el0_svc_common+0x138/0x258 [ 40.419184][ T4275] do_el0_svc+0x58/0x14c [ 40.420283][ T4275] el0_svc+0x7c/0x1f0 [ 40.421317][ T4275] el0t_64_sync_handler+0x84/0xe4 [ 40.422540][ T4275] el0t_64_sync+0x1a0/0x1a4 [ 40.424632][ T4275] debugfs: out of free dentries, can not create directory 'nbd4' [ 40.427136][ T4275] block nbd4: Failed to create debugfs dir for 'nbd4' [ 40.427171][ T4277] FAULT_INJECTION: forcing a failure. [ 40.427171][ T4277] name failslab, interval 1, probability 0, space 0, times 0 [ 40.433277][ T4277] CPU: 1 PID: 4277 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.435359][ T4277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.437928][ T4277] Call trace: [ 40.438804][ T4277] dump_backtrace+0x0/0x530 [ 40.439835][ T4277] show_stack+0x2c/0x3c [ 40.440922][ T4277] dump_stack_lvl+0x108/0x170 [ 40.442121][ T4277] dump_stack+0x1c/0x58 [ 40.442944][ T4277] should_fail+0x3b8/0x514 [ 40.443742][ T4277] __should_failslab+0xbc/0x110 [ 40.444622][ T4277] should_failslab+0x10/0x28 [ 40.445457][ T4277] slab_pre_alloc_hook+0x64/0xe8 [ 40.446345][ T4277] kmem_cache_alloc+0x98/0x45c [ 40.447222][ T4277] new_inode_pseudo+0x110/0x200 [ 40.448368][ T4277] new_inode+0x38/0x174 [ 40.449396][ T4277] debugfs_create_dir+0xf0/0x420 [ 40.450626][ T4277] nbd_start_device+0x3bc/0xb34 [ 40.451904][ T4277] nbd_ioctl+0x420/0xc2c [ 40.453011][ T4277] blkdev_ioctl+0x3d8/0xbd0 [ 40.454125][ T4277] block_ioctl+0xa8/0x114 [ 40.455260][ T4277] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.456514][ T4277] invoke_syscall+0x98/0x2b8 [ 40.457677][ T4277] el0_svc_common+0x138/0x258 [ 40.458846][ T4277] do_el0_svc+0x58/0x14c [ 40.459892][ T4277] el0_svc+0x7c/0x1f0 [ 40.460836][ T4277] el0t_64_sync_handler+0x84/0xe4 [ 40.462125][ T4277] el0t_64_sync+0x1a0/0x1a4 [ 40.464800][ T4277] debugfs: out of free dentries, can not create directory 'nbd1' executing program [ 40.468701][ T4277] block nbd1: Failed to create debugfs dir for 'nbd1' [ 40.469515][ T4287] block nbd2: shutting down sockets executing program [ 40.487844][ T4281] FAULT_INJECTION: forcing a failure. [ 40.487844][ T4281] name failslab, interval 1, probability 0, space 0, times 0 [ 40.491342][ T4281] CPU: 1 PID: 4281 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.493386][ T4281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.495807][ T4281] Call trace: [ 40.496631][ T4281] dump_backtrace+0x0/0x530 [ 40.497752][ T4281] show_stack+0x2c/0x3c [ 40.498779][ T4281] dump_stack_lvl+0x108/0x170 [ 40.499856][ T4281] dump_stack+0x1c/0x58 [ 40.500868][ T4281] should_fail+0x3b8/0x514 [ 40.502020][ T4281] __should_failslab+0xbc/0x110 [ 40.503113][ T4281] should_failslab+0x10/0x28 [ 40.504197][ T4281] slab_pre_alloc_hook+0x64/0xe8 [ 40.505331][ T4281] kmem_cache_alloc+0x98/0x45c [ 40.506399][ T4281] __d_alloc+0x3c/0x6a8 [ 40.507412][ T4281] d_alloc_parallel+0xb8/0x11bc [ 40.508526][ T4281] __lookup_slow+0x108/0x388 [ 40.509603][ T4281] lookup_one_len+0x178/0x28c [ 40.510674][ T4281] start_creating+0x19c/0x2e0 [ 40.511811][ T4281] debugfs_create_dir+0x34/0x420 [ 40.512979][ T4281] nbd_start_device+0x3bc/0xb34 [ 40.514103][ T4281] nbd_ioctl+0x420/0xc2c [ 40.515119][ T4281] blkdev_ioctl+0x3d8/0xbd0 [ 40.516240][ T4281] block_ioctl+0xa8/0x114 [ 40.517320][ T4281] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.518422][ T4281] invoke_syscall+0x98/0x2b8 [ 40.519508][ T4281] el0_svc_common+0x138/0x258 [ 40.520815][ T4281] do_el0_svc+0x58/0x14c [ 40.521708][ T4281] el0_svc+0x7c/0x1f0 [ 40.522619][ T4281] el0t_64_sync_handler+0x84/0xe4 [ 40.523792][ T4281] el0t_64_sync+0x1a0/0x1a4 [ 40.527673][ T4281] block nbd2: Failed to create debugfs dir for 'nbd2' [ 40.529413][ T4286] block nbd3: shutting down sockets [ 40.536774][ T4290] block nbd0: shutting down sockets [ 40.546497][ T4283] FAULT_INJECTION: forcing a failure. [ 40.546497][ T4283] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 40.553690][ T4283] CPU: 0 PID: 4283 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.555738][ T4283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.557990][ T4283] Call trace: [ 40.558765][ T4283] dump_backtrace+0x0/0x530 [ 40.559823][ T4283] show_stack+0x2c/0x3c [ 40.560817][ T4283] dump_stack_lvl+0x108/0x170 [ 40.561938][ T4283] dump_stack+0x1c/0x58 [ 40.562870][ T4283] should_fail+0x3b8/0x514 [ 40.563826][ T4283] __should_failslab+0xbc/0x110 [ 40.564918][ T4283] should_failslab+0x10/0x28 [ 40.565974][ T4283] slab_pre_alloc_hook+0x64/0xe8 [ 40.567177][ T4283] kmem_cache_alloc+0x98/0x45c [ 40.568310][ T4283] new_inode_pseudo+0x110/0x200 [ 40.569444][ T4283] new_inode+0x38/0x174 [ 40.570401][ T4283] debugfs_create_dir+0xf0/0x420 [ 40.571541][ T4283] nbd_start_device+0x3bc/0xb34 [ 40.572617][ T4283] nbd_ioctl+0x420/0xc2c [ 40.573648][ T4283] blkdev_ioctl+0x3d8/0xbd0 [ 40.574612][ T4283] block_ioctl+0xa8/0x114 [ 40.575601][ T4283] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.576744][ T4283] invoke_syscall+0x98/0x2b8 [ 40.577829][ T4283] el0_svc_common+0x138/0x258 [ 40.578950][ T4283] do_el0_svc+0x58/0x14c [ 40.579952][ T4283] el0_svc+0x7c/0x1f0 [ 40.580977][ T4283] el0t_64_sync_handler+0x84/0xe4 [ 40.582100][ T4283] el0t_64_sync+0x1a0/0x1a4 [ 40.583589][ T4283] debugfs: out of free dentries, can not create directory 'nbd3' [ 40.585653][ T4283] block nbd3: Failed to create debugfs dir for 'nbd3' [ 40.586643][ T4285] FAULT_INJECTION: forcing a failure. [ 40.586643][ T4285] name failslab, interval 1, probability 0, space 0, times 0 [ 40.590529][ T4285] CPU: 1 PID: 4285 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.592687][ T4285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.595230][ T4285] Call trace: [ 40.596137][ T4285] dump_backtrace+0x0/0x530 [ 40.597315][ T4285] show_stack+0x2c/0x3c [ 40.598289][ T4285] dump_stack_lvl+0x108/0x170 [ 40.599480][ T4285] dump_stack+0x1c/0x58 [ 40.600562][ T4285] should_fail+0x3b8/0x514 [ 40.601678][ T4285] __should_failslab+0xbc/0x110 [ 40.602861][ T4285] should_failslab+0x10/0x28 [ 40.603996][ T4285] slab_pre_alloc_hook+0x64/0xe8 [ 40.605260][ T4285] kmem_cache_alloc+0x98/0x45c [ 40.606542][ T4285] __d_alloc+0x3c/0x6a8 [ 40.607626][ T4285] d_alloc_parallel+0xb8/0x11bc [ 40.608864][ T4285] __lookup_slow+0x108/0x388 [ 40.610093][ T4285] lookup_one_len+0x178/0x28c [ 40.611267][ T4285] start_creating+0x19c/0x2e0 [ 40.612430][ T4285] debugfs_create_dir+0x34/0x420 [ 40.613694][ T4285] nbd_start_device+0x3bc/0xb34 [ 40.614861][ T4285] nbd_ioctl+0x420/0xc2c [ 40.615954][ T4285] blkdev_ioctl+0x3d8/0xbd0 [ 40.617152][ T4285] block_ioctl+0xa8/0x114 [ 40.618212][ T4285] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.619438][ T4285] invoke_syscall+0x98/0x2b8 [ 40.620518][ T4285] el0_svc_common+0x138/0x258 [ 40.621652][ T4285] do_el0_svc+0x58/0x14c [ 40.622631][ T4285] el0_svc+0x7c/0x1f0 [ 40.623649][ T4285] el0t_64_sync_handler+0x84/0xe4 [ 40.624905][ T4285] el0t_64_sync+0x1a0/0x1a4 [ 40.627294][ T4285] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 40.636065][ T4294] block nbd1: shutting down sockets [ 40.645278][ T4293] block nbd4: shutting down sockets [ 40.647334][ T4289] FAULT_INJECTION: forcing a failure. [ 40.647334][ T4289] name failslab, interval 1, probability 0, space 0, times 0 [ 40.650212][ T4289] CPU: 0 PID: 4289 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.652171][ T4289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.654504][ T4289] Call trace: [ 40.655273][ T4289] dump_backtrace+0x0/0x530 [ 40.656260][ T4289] show_stack+0x2c/0x3c [ 40.657167][ T4289] dump_stack_lvl+0x108/0x170 [ 40.658285][ T4289] dump_stack+0x1c/0x58 executing program [ 40.659282][ T4289] should_fail+0x3b8/0x514 [ 40.660358][ T4289] __should_failslab+0xbc/0x110 [ 40.661503][ T4289] should_failslab+0x10/0x28 [ 40.662608][ T4289] slab_pre_alloc_hook+0x64/0xe8 [ 40.663790][ T4289] kmem_cache_alloc+0x98/0x45c [ 40.664880][ T4289] __d_alloc+0x3c/0x6a8 [ 40.665829][ T4289] d_alloc_parallel+0xb8/0x11bc [ 40.667035][ T4289] __lookup_slow+0x108/0x388 [ 40.668110][ T4289] lookup_one_len+0x178/0x28c [ 40.669177][ T4289] start_creating+0x19c/0x2e0 [ 40.670242][ T4289] debugfs_create_dir+0x34/0x420 [ 40.671460][ T4289] nbd_start_device+0x3bc/0xb34 [ 40.672605][ T4289] nbd_ioctl+0x420/0xc2c [ 40.673611][ T4289] blkdev_ioctl+0x3d8/0xbd0 [ 40.674633][ T4289] block_ioctl+0xa8/0x114 [ 40.675691][ T4289] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.676926][ T4289] invoke_syscall+0x98/0x2b8 [ 40.678050][ T4289] el0_svc_common+0x138/0x258 [ 40.679139][ T4289] do_el0_svc+0x58/0x14c [ 40.680079][ T4289] el0_svc+0x7c/0x1f0 [ 40.681009][ T4289] el0t_64_sync_handler+0x84/0xe4 [ 40.682186][ T4289] el0t_64_sync+0x1a0/0x1a4 [ 40.685196][ T4289] block nbd4: Failed to create debugfs dir for 'nbd4' [ 40.690225][ T4292] FAULT_INJECTION: forcing a failure. [ 40.690225][ T4292] name failslab, interval 1, probability 0, space 0, times 0 [ 40.693107][ T4292] CPU: 0 PID: 4292 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.695053][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.697316][ T4292] Call trace: [ 40.698024][ T4292] dump_backtrace+0x0/0x530 [ 40.698375][ T4296] block nbd2: shutting down sockets [ 40.699059][ T4292] show_stack+0x2c/0x3c [ 40.701238][ T4292] dump_stack_lvl+0x108/0x170 [ 40.702309][ T4292] dump_stack+0x1c/0x58 [ 40.703260][ T4292] should_fail+0x3b8/0x514 [ 40.704223][ T4292] __should_failslab+0xbc/0x110 [ 40.705300][ T4292] should_failslab+0x10/0x28 [ 40.706422][ T4292] slab_pre_alloc_hook+0x64/0xe8 [ 40.707532][ T4292] kmem_cache_alloc+0x98/0x45c [ 40.708570][ T4292] new_inode_pseudo+0x110/0x200 [ 40.709672][ T4292] new_inode+0x38/0x174 [ 40.710579][ T4292] debugfs_create_dir+0xf0/0x420 [ 40.711731][ T4292] nbd_start_device+0x3bc/0xb34 [ 40.712778][ T4292] nbd_ioctl+0x420/0xc2c [ 40.713711][ T4292] blkdev_ioctl+0x3d8/0xbd0 [ 40.714729][ T4292] block_ioctl+0xa8/0x114 [ 40.715764][ T4292] __arm64_sys_ioctl+0x14c/0x1c8 executing program [ 40.716958][ T4292] invoke_syscall+0x98/0x2b8 [ 40.718044][ T4292] el0_svc_common+0x138/0x258 [ 40.719176][ T4292] do_el0_svc+0x58/0x14c [ 40.720181][ T4292] el0_svc+0x7c/0x1f0 [ 40.721067][ T4292] el0t_64_sync_handler+0x84/0xe4 [ 40.722196][ T4292] el0t_64_sync+0x1a0/0x1a4 [ 40.726414][ T4292] debugfs: out of free dentries, can not create directory 'nbd1' [ 40.728440][ T4296] FAULT_INJECTION: forcing a failure. [ 40.728440][ T4296] name failslab, interval 1, probability 0, space 0, times 0 [ 40.729698][ T4292] block nbd1: Failed to create debugfs dir for 'nbd1' [ 40.731486][ T4296] CPU: 0 PID: 4296 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.735191][ T4296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.737559][ T4296] Call trace: [ 40.738301][ T4296] dump_backtrace+0x0/0x530 [ 40.739331][ T4296] show_stack+0x2c/0x3c [ 40.740261][ T4296] dump_stack_lvl+0x108/0x170 [ 40.741332][ T4296] dump_stack+0x1c/0x58 [ 40.742311][ T4296] should_fail+0x3b8/0x514 [ 40.743353][ T4296] __should_failslab+0xbc/0x110 [ 40.744446][ T4296] should_failslab+0x10/0x28 [ 40.745490][ T4296] slab_pre_alloc_hook+0x64/0xe8 [ 40.746630][ T4296] kmem_cache_alloc+0x98/0x45c [ 40.747740][ T4296] new_inode_pseudo+0x110/0x200 [ 40.748836][ T4296] new_inode+0x38/0x174 [ 40.749769][ T4296] debugfs_create_dir+0xf0/0x420 [ 40.750938][ T4296] nbd_start_device+0x3bc/0xb34 [ 40.752106][ T4296] nbd_ioctl+0x420/0xc2c [ 40.753087][ T4296] blkdev_ioctl+0x3d8/0xbd0 [ 40.754140][ T4296] block_ioctl+0xa8/0x114 [ 40.755156][ T4296] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.756282][ T4296] invoke_syscall+0x98/0x2b8 [ 40.757333][ T4296] el0_svc_common+0x138/0x258 executing program [ 40.758481][ T4296] do_el0_svc+0x58/0x14c [ 40.759477][ T4296] el0_svc+0x7c/0x1f0 [ 40.760363][ T4296] el0t_64_sync_handler+0x84/0xe4 [ 40.761593][ T4296] el0t_64_sync+0x1a0/0x1a4 [ 40.763076][ T4296] debugfs: out of free dentries, can not create directory 'nbd2' [ 40.765087][ T4296] block nbd2: Failed to create debugfs dir for 'nbd2' [ 40.777158][ T4302] block nbd3: shutting down sockets [ 40.786905][ T4299] FAULT_INJECTION: forcing a failure. [ 40.786905][ T4299] name failslab, interval 1, probability 0, space 0, times 0 [ 40.790262][ T4299] CPU: 1 PID: 4299 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.792349][ T4299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.795122][ T4299] Call trace: [ 40.795892][ T4299] dump_backtrace+0x0/0x530 [ 40.796824][ T4299] show_stack+0x2c/0x3c [ 40.797713][ T4299] dump_stack_lvl+0x108/0x170 executing program [ 40.798855][ T4299] dump_stack+0x1c/0x58 [ 40.800045][ T4299] should_fail+0x3b8/0x514 [ 40.801265][ T4299] __should_failslab+0xbc/0x110 [ 40.802578][ T4299] should_failslab+0x10/0x28 [ 40.803860][ T4299] slab_pre_alloc_hook+0x64/0xe8 [ 40.805232][ T4299] kmem_cache_alloc+0x98/0x45c [ 40.806519][ T4299] __d_alloc+0x3c/0x6a8 [ 40.807525][ T4299] d_alloc_parallel+0xb8/0x11bc [ 40.808684][ T4299] __lookup_slow+0x108/0x388 [ 40.809749][ T4299] lookup_one_len+0x178/0x28c [ 40.810871][ T4299] start_creating+0x19c/0x2e0 [ 40.811930][ T4299] debugfs_create_dir+0x34/0x420 [ 40.813104][ T4299] nbd_start_device+0x3bc/0xb34 [ 40.814288][ T4299] nbd_ioctl+0x420/0xc2c [ 40.815247][ T4299] blkdev_ioctl+0x3d8/0xbd0 [ 40.816371][ T4299] block_ioctl+0xa8/0x114 [ 40.817488][ T4299] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.818672][ T4299] invoke_syscall+0x98/0x2b8 [ 40.819804][ T4299] el0_svc_common+0x138/0x258 [ 40.821005][ T4299] do_el0_svc+0x58/0x14c [ 40.822073][ T4299] el0_svc+0x7c/0x1f0 [ 40.823086][ T4299] el0t_64_sync_handler+0x84/0xe4 [ 40.824239][ T4299] el0t_64_sync+0x1a0/0x1a4 [ 40.829909][ T4303] block nbd0: shutting down sockets [ 40.829944][ T4299] block nbd3: Failed to create debugfs dir for 'nbd3' [ 40.851243][ T4311] FAULT_INJECTION: forcing a failure. [ 40.851243][ T4311] name failslab, interval 1, probability 0, space 0, times 0 [ 40.855785][ T4308] block nbd4: shutting down sockets executing program [ 40.865547][ T4311] CPU: 1 PID: 4311 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.867599][ T4311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.870221][ T4311] Call trace: [ 40.871136][ T4311] dump_backtrace+0x0/0x530 [ 40.872286][ T4311] show_stack+0x2c/0x3c [ 40.873280][ T4311] dump_stack_lvl+0x108/0x170 [ 40.874486][ T4311] dump_stack+0x1c/0x58 [ 40.875551][ T4311] should_fail+0x3b8/0x514 [ 40.876713][ T4311] __should_failslab+0xbc/0x110 [ 40.877994][ T4311] should_failslab+0x10/0x28 [ 40.879243][ T4311] slab_pre_alloc_hook+0x64/0xe8 [ 40.880641][ T4311] kmem_cache_alloc+0x98/0x45c [ 40.881906][ T4311] __d_alloc+0x3c/0x6a8 [ 40.882885][ T4311] d_alloc_parallel+0xb8/0x11bc [ 40.884109][ T4311] __lookup_slow+0x108/0x388 [ 40.885256][ T4311] lookup_one_len+0x178/0x28c [ 40.886456][ T4311] start_creating+0x19c/0x2e0 [ 40.887549][ T4311] debugfs_create_dir+0x34/0x420 [ 40.888768][ T4311] nbd_start_device+0x3bc/0xb34 [ 40.890024][ T4311] nbd_ioctl+0x420/0xc2c [ 40.891117][ T4311] blkdev_ioctl+0x3d8/0xbd0 [ 40.892306][ T4311] block_ioctl+0xa8/0x114 [ 40.893428][ T4311] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.894677][ T4311] invoke_syscall+0x98/0x2b8 [ 40.895886][ T4311] el0_svc_common+0x138/0x258 [ 40.897065][ T4311] do_el0_svc+0x58/0x14c [ 40.898067][ T4311] el0_svc+0x7c/0x1f0 [ 40.899058][ T4311] el0t_64_sync_handler+0x84/0xe4 [ 40.900362][ T4311] el0t_64_sync+0x1a0/0x1a4 [ 40.905331][ T4311] block nbd0: Failed to create debugfs dir for 'nbd0' [ 40.906199][ T4310] block nbd2: shutting down sockets [ 40.907441][ T4312] block nbd1: shutting down sockets [ 40.925252][ T4305] FAULT_INJECTION: forcing a failure. [ 40.925252][ T4305] name failslab, interval 1, probability 0, space 0, times 0 [ 40.935232][ T4305] CPU: 1 PID: 4305 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 40.937256][ T4305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 40.939822][ T4305] Call trace: [ 40.940733][ T4305] dump_backtrace+0x0/0x530 [ 40.941798][ T4305] show_stack+0x2c/0x3c [ 40.942876][ T4305] dump_stack_lvl+0x108/0x170 [ 40.944060][ T4305] dump_stack+0x1c/0x58 [ 40.945057][ T4305] should_fail+0x3b8/0x514 [ 40.946185][ T4305] __should_failslab+0xbc/0x110 [ 40.947463][ T4305] should_failslab+0x10/0x28 executing program [ 40.948658][ T4305] slab_pre_alloc_hook+0x64/0xe8 [ 40.949970][ T4305] kmem_cache_alloc+0x98/0x45c [ 40.951141][ T4305] new_inode_pseudo+0x110/0x200 [ 40.952404][ T4305] new_inode+0x38/0x174 [ 40.953486][ T4305] debugfs_create_dir+0xf0/0x420 [ 40.954764][ T4305] nbd_start_device+0x3bc/0xb34 [ 40.955957][ T4305] nbd_ioctl+0x420/0xc2c [ 40.957061][ T4305] blkdev_ioctl+0x3d8/0xbd0 [ 40.958189][ T4305] block_ioctl+0xa8/0x114 [ 40.959232][ T4305] __arm64_sys_ioctl+0x14c/0x1c8 [ 40.960479][ T4305] invoke_syscall+0x98/0x2b8 [ 40.961701][ T4305] el0_svc_common+0x138/0x258 [ 40.962888][ T4305] do_el0_svc+0x58/0x14c [ 40.964008][ T4305] el0_svc+0x7c/0x1f0 [ 40.964992][ T4305] el0t_64_sync_handler+0x84/0xe4 [ 40.966283][ T4305] el0t_64_sync+0x1a0/0x1a4 [ 40.970825][ T4305] debugfs: out of free dentries, can not create directory 'nbd4' [ 40.973055][ T4315] block nbd3: shutting down sockets [ 40.985960][ T4310] FAULT_INJECTION: forcing a failure. [ 40.985960][ T4310] name failslab, interval 1, probability 0, space 0, times 0 [ 41.005038][ T4310] CPU: 0 PID: 4310 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.007066][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.009371][ T4310] Call trace: [ 41.010160][ T4310] dump_backtrace+0x0/0x530 [ 41.011212][ T4310] show_stack+0x2c/0x3c [ 41.012219][ T4310] dump_stack_lvl+0x108/0x170 [ 41.013203][ T4310] dump_stack+0x1c/0x58 [ 41.014171][ T4310] should_fail+0x3b8/0x514 [ 41.015133][ T4310] __should_failslab+0xbc/0x110 [ 41.015214][ T4305] block nbd4: Failed to create debugfs dir for 'nbd4' [ 41.016242][ T4310] should_failslab+0x10/0x28 [ 41.016258][ T4310] slab_pre_alloc_hook+0x64/0xe8 [ 41.016271][ T4310] kmem_cache_alloc+0x98/0x45c [ 41.021222][ T4310] new_inode_pseudo+0x110/0x200 [ 41.022418][ T4310] new_inode+0x38/0x174 [ 41.023431][ T4310] debugfs_create_dir+0xf0/0x420 [ 41.024511][ T4310] nbd_start_device+0x3bc/0xb34 [ 41.025744][ T4310] nbd_ioctl+0x420/0xc2c [ 41.026716][ T4310] blkdev_ioctl+0x3d8/0xbd0 [ 41.027757][ T4310] block_ioctl+0xa8/0x114 [ 41.028781][ T4310] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.029938][ T4310] invoke_syscall+0x98/0x2b8 [ 41.031021][ T4310] el0_svc_common+0x138/0x258 [ 41.032123][ T4310] do_el0_svc+0x58/0x14c [ 41.033065][ T4310] el0_svc+0x7c/0x1f0 [ 41.033956][ T4310] el0t_64_sync_handler+0x84/0xe4 [ 41.035096][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 41.037554][ T4317] block nbd0: shutting down sockets [ 41.055334][ T4310] debugfs: out of free dentries, can not create directory 'nbd2' [ 41.057732][ T4310] block nbd2: Failed to create debugfs dir for 'nbd2' [ 41.058133][ T4307] FAULT_INJECTION: forcing a failure. [ 41.058133][ T4307] name failslab, interval 1, probability 0, space 0, times 0 [ 41.062205][ T4307] CPU: 0 PID: 4307 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.064002][ T4307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.066374][ T4307] Call trace: [ 41.067092][ T4307] dump_backtrace+0x0/0x530 executing program [ 41.068120][ T4307] show_stack+0x2c/0x3c [ 41.069049][ T4307] dump_stack_lvl+0x108/0x170 [ 41.070103][ T4307] dump_stack+0x1c/0x58 [ 41.070975][ T4307] should_fail+0x3b8/0x514 [ 41.072052][ T4307] __should_failslab+0xbc/0x110 [ 41.073189][ T4307] should_failslab+0x10/0x28 [ 41.074202][ T4307] slab_pre_alloc_hook+0x64/0xe8 [ 41.075318][ T4307] kmem_cache_alloc+0x98/0x45c [ 41.076423][ T4307] new_inode_pseudo+0x110/0x200 [ 41.077578][ T4307] new_inode+0x38/0x174 [ 41.078678][ T4307] debugfs_create_dir+0xf0/0x420 [ 41.079834][ T4307] nbd_start_device+0x3bc/0xb34 [ 41.080861][ T4307] nbd_ioctl+0x420/0xc2c [ 41.081886][ T4307] blkdev_ioctl+0x3d8/0xbd0 [ 41.082955][ T4307] block_ioctl+0xa8/0x114 [ 41.083804][ T4307] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.084757][ T4307] invoke_syscall+0x98/0x2b8 [ 41.085640][ T4307] el0_svc_common+0x138/0x258 [ 41.086587][ T4307] do_el0_svc+0x58/0x14c [ 41.087605][ T4307] el0_svc+0x7c/0x1f0 [ 41.088501][ T4307] el0t_64_sync_handler+0x84/0xe4 [ 41.089724][ T4307] el0t_64_sync+0x1a0/0x1a4 executing program [ 41.096310][ T4307] debugfs: out of free dentries, can not create directory 'nbd1' [ 41.098560][ T4315] FAULT_INJECTION: forcing a failure. [ 41.098560][ T4315] name failslab, interval 1, probability 0, space 0, times 0 [ 41.101975][ T4315] CPU: 1 PID: 4315 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.104159][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.106324][ T4307] block nbd1: Failed to create debugfs dir for 'nbd1' [ 41.106764][ T4315] Call trace: [ 41.109168][ T4315] dump_backtrace+0x0/0x530 [ 41.110282][ T4315] show_stack+0x2c/0x3c [ 41.111097][ T4315] dump_stack_lvl+0x108/0x170 [ 41.112057][ T4315] dump_stack+0x1c/0x58 [ 41.112898][ T4315] should_fail+0x3b8/0x514 [ 41.113788][ T4315] __should_failslab+0xbc/0x110 [ 41.114684][ T4315] should_failslab+0x10/0x28 [ 41.115655][ T4315] slab_pre_alloc_hook+0x64/0xe8 [ 41.116965][ T4315] kmem_cache_alloc+0x98/0x45c [ 41.118301][ T4315] new_inode_pseudo+0x110/0x200 [ 41.119532][ T4315] new_inode+0x38/0x174 [ 41.120603][ T4315] debugfs_create_dir+0xf0/0x420 [ 41.121908][ T4315] nbd_start_device+0x3bc/0xb34 [ 41.123202][ T4315] nbd_ioctl+0x420/0xc2c [ 41.124328][ T4315] blkdev_ioctl+0x3d8/0xbd0 [ 41.125475][ T4315] block_ioctl+0xa8/0x114 [ 41.126582][ T4315] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.127882][ T4315] invoke_syscall+0x98/0x2b8 [ 41.129138][ T4315] el0_svc_common+0x138/0x258 [ 41.130353][ T4315] do_el0_svc+0x58/0x14c [ 41.131447][ T4315] el0_svc+0x7c/0x1f0 [ 41.132386][ T4315] el0t_64_sync_handler+0x84/0xe4 [ 41.133678][ T4315] el0t_64_sync+0x1a0/0x1a4 [ 41.136519][ T4315] debugfs: out of free dentries, can not create directory 'nbd3' executing program [ 41.139001][ T4322] FAULT_INJECTION: forcing a failure. [ 41.139001][ T4322] name failslab, interval 1, probability 0, space 0, times 0 [ 41.139767][ T4315] block nbd3: Failed to create debugfs dir for 'nbd3' [ 41.142300][ T4322] CPU: 1 PID: 4322 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.145839][ T4322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.148137][ T4322] Call trace: [ 41.148919][ T4322] dump_backtrace+0x0/0x530 [ 41.150069][ T4322] show_stack+0x2c/0x3c [ 41.151068][ T4322] dump_stack_lvl+0x108/0x170 [ 41.152133][ T4322] dump_stack+0x1c/0x58 [ 41.153113][ T4322] should_fail+0x3b8/0x514 [ 41.154157][ T4322] __should_failslab+0xbc/0x110 [ 41.155276][ T4322] should_failslab+0x10/0x28 [ 41.156335][ T4322] slab_pre_alloc_hook+0x64/0xe8 [ 41.157509][ T4322] kmem_cache_alloc+0x98/0x45c [ 41.158613][ T4322] __d_alloc+0x3c/0x6a8 [ 41.159646][ T4322] d_alloc_parallel+0xb8/0x11bc [ 41.160797][ T4322] __lookup_slow+0x108/0x388 [ 41.161832][ T4322] lookup_one_len+0x178/0x28c [ 41.162893][ T4322] start_creating+0x19c/0x2e0 [ 41.164085][ T4322] debugfs_create_dir+0x34/0x420 [ 41.165216][ T4322] nbd_start_device+0x3bc/0xb34 [ 41.166391][ T4322] nbd_ioctl+0x420/0xc2c [ 41.167464][ T4322] blkdev_ioctl+0x3d8/0xbd0 [ 41.168563][ T4322] block_ioctl+0xa8/0x114 [ 41.169589][ T4322] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.170744][ T4322] invoke_syscall+0x98/0x2b8 [ 41.171775][ T4322] el0_svc_common+0x138/0x258 [ 41.172915][ T4322] do_el0_svc+0x58/0x14c [ 41.173959][ T4322] el0_svc+0x7c/0x1f0 [ 41.174924][ T4322] el0t_64_sync_handler+0x84/0xe4 [ 41.176058][ T4322] el0t_64_sync+0x1a0/0x1a4 [ 41.178527][ T4322] block nbd0: Failed to create debugfs dir for 'nbd0' executing program executing program [ 41.215399][ T4328] block nbd4: shutting down sockets [ 41.227506][ T4320] FAULT_INJECTION: forcing a failure. [ 41.227506][ T4320] name failslab, interval 1, probability 0, space 0, times 0 [ 41.230638][ T4320] CPU: 1 PID: 4320 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.232551][ T4320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.234716][ T4320] Call trace: [ 41.235468][ T4320] dump_backtrace+0x0/0x530 [ 41.235849][ T4325] block nbd1: shutting down sockets [ 41.236504][ T4320] show_stack+0x2c/0x3c [ 41.238637][ T4320] dump_stack_lvl+0x108/0x170 [ 41.239663][ T4320] dump_stack+0x1c/0x58 [ 41.240648][ T4320] should_fail+0x3b8/0x514 [ 41.241606][ T4320] __should_failslab+0xbc/0x110 [ 41.242700][ T4320] should_failslab+0x10/0x28 [ 41.243712][ T4320] slab_pre_alloc_hook+0x64/0xe8 [ 41.244752][ T4320] kmem_cache_alloc+0x98/0x45c [ 41.245788][ T4320] __d_alloc+0x3c/0x6a8 [ 41.246743][ T4320] d_alloc_parallel+0xb8/0x11bc [ 41.247907][ T4320] __lookup_slow+0x108/0x388 [ 41.248977][ T4320] lookup_one_len+0x178/0x28c [ 41.250052][ T4320] start_creating+0x19c/0x2e0 [ 41.251159][ T4320] debugfs_create_dir+0x34/0x420 [ 41.252274][ T4320] nbd_start_device+0x3bc/0xb34 [ 41.253437][ T4320] nbd_ioctl+0x420/0xc2c [ 41.254410][ T4320] blkdev_ioctl+0x3d8/0xbd0 [ 41.255498][ T4320] block_ioctl+0xa8/0x114 [ 41.256532][ T4320] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.257667][ T4320] invoke_syscall+0x98/0x2b8 [ 41.258715][ T4320] el0_svc_common+0x138/0x258 [ 41.259905][ T4320] do_el0_svc+0x58/0x14c [ 41.260893][ T4320] el0_svc+0x7c/0x1f0 [ 41.261816][ T4320] el0t_64_sync_handler+0x84/0xe4 [ 41.263074][ T4320] el0t_64_sync+0x1a0/0x1a4 [ 41.266044][ T4320] block nbd4: Failed to create debugfs dir for 'nbd4' [ 41.266893][ T4323] block nbd2: shutting down sockets [ 41.267786][ T4325] FAULT_INJECTION: forcing a failure. [ 41.267786][ T4325] name failslab, interval 1, probability 0, space 0, times 0 [ 41.271727][ T4325] CPU: 0 PID: 4325 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.273638][ T4325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.275838][ T4325] Call trace: [ 41.276641][ T4325] dump_backtrace+0x0/0x530 [ 41.277713][ T4325] show_stack+0x2c/0x3c [ 41.278665][ T4325] dump_stack_lvl+0x108/0x170 [ 41.279759][ T4325] dump_stack+0x1c/0x58 [ 41.280687][ T4325] should_fail+0x3b8/0x514 [ 41.281703][ T4325] __should_failslab+0xbc/0x110 [ 41.282817][ T4325] should_failslab+0x10/0x28 [ 41.283854][ T4325] slab_pre_alloc_hook+0x64/0xe8 [ 41.285015][ T4325] kmem_cache_alloc+0x98/0x45c [ 41.286176][ T4325] new_inode_pseudo+0x110/0x200 [ 41.287284][ T4325] new_inode+0x38/0x174 [ 41.288265][ T4325] debugfs_create_dir+0xf0/0x420 [ 41.289342][ T4325] nbd_start_device+0x3bc/0xb34 [ 41.290539][ T4325] nbd_ioctl+0x420/0xc2c [ 41.291532][ T4325] blkdev_ioctl+0x3d8/0xbd0 [ 41.292582][ T4325] block_ioctl+0xa8/0x114 [ 41.293579][ T4325] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.294844][ T4325] invoke_syscall+0x98/0x2b8 [ 41.295902][ T4325] el0_svc_common+0x138/0x258 [ 41.297046][ T4325] do_el0_svc+0x58/0x14c [ 41.298085][ T4325] el0_svc+0x7c/0x1f0 [ 41.299103][ T4325] el0t_64_sync_handler+0x84/0xe4 [ 41.300304][ T4325] el0t_64_sync+0x1a0/0x1a4 [ 41.303472][ T4325] debugfs: out of free dentries, can not create directory 'nbd1' executing program [ 41.306140][ T4325] block nbd1: Failed to create debugfs dir for 'nbd1' [ 41.308528][ T4323] FAULT_INJECTION: forcing a failure. [ 41.308528][ T4323] name failslab, interval 1, probability 0, space 0, times 0 [ 41.311878][ T4323] CPU: 1 PID: 4323 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.313835][ T4323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.316169][ T4323] Call trace: [ 41.316924][ T4323] dump_backtrace+0x0/0x530 [ 41.317933][ T4323] show_stack+0x2c/0x3c [ 41.318818][ T4323] dump_stack_lvl+0x108/0x170 [ 41.319955][ T4323] dump_stack+0x1c/0x58 [ 41.320905][ T4323] should_fail+0x3b8/0x514 [ 41.322010][ T4323] __should_failslab+0xbc/0x110 [ 41.323123][ T4323] should_failslab+0x10/0x28 [ 41.324305][ T4323] slab_pre_alloc_hook+0x64/0xe8 [ 41.325440][ T4323] kmem_cache_alloc+0x98/0x45c [ 41.326496][ T4323] new_inode_pseudo+0x110/0x200 [ 41.327615][ T4323] new_inode+0x38/0x174 [ 41.328495][ T4323] debugfs_create_dir+0xf0/0x420 [ 41.329413][ T4323] nbd_start_device+0x3bc/0xb34 [ 41.330307][ T4323] nbd_ioctl+0x420/0xc2c [ 41.331088][ T4323] blkdev_ioctl+0x3d8/0xbd0 [ 41.331915][ T4323] block_ioctl+0xa8/0x114 [ 41.332731][ T4323] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.333811][ T4323] invoke_syscall+0x98/0x2b8 [ 41.334977][ T4323] el0_svc_common+0x138/0x258 [ 41.336105][ T4323] do_el0_svc+0x58/0x14c [ 41.337154][ T4323] el0_svc+0x7c/0x1f0 [ 41.338104][ T4323] el0t_64_sync_handler+0x84/0xe4 [ 41.339347][ T4323] el0t_64_sync+0x1a0/0x1a4 executing program [ 41.342206][ T4323] debugfs: out of free dentries, can not create directory 'nbd2' [ 41.344373][ T4323] block nbd2: Failed to create debugfs dir for 'nbd2' [ 41.345239][ T4334] block nbd3: shutting down sockets executing program [ 41.356140][ T4333] block nbd0: shutting down sockets [ 41.366000][ T4330] FAULT_INJECTION: forcing a failure. [ 41.366000][ T4330] name failslab, interval 1, probability 0, space 0, times 0 [ 41.368919][ T4330] CPU: 0 PID: 4330 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.370770][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.373037][ T4330] Call trace: [ 41.373788][ T4330] dump_backtrace+0x0/0x530 [ 41.374782][ T4330] show_stack+0x2c/0x3c [ 41.375759][ T4330] dump_stack_lvl+0x108/0x170 [ 41.376748][ T4330] dump_stack+0x1c/0x58 [ 41.377725][ T4330] should_fail+0x3b8/0x514 [ 41.378772][ T4330] __should_failslab+0xbc/0x110 [ 41.379893][ T4330] should_failslab+0x10/0x28 [ 41.381019][ T4330] slab_pre_alloc_hook+0x64/0xe8 [ 41.382119][ T4330] kmem_cache_alloc+0x98/0x45c [ 41.383211][ T4330] radix_tree_node_alloc+0x184/0x360 [ 41.384434][ T4330] idr_get_free+0x240/0x8b0 [ 41.385442][ T4330] idr_alloc_cyclic+0x18c/0x4f4 [ 41.386524][ T4330] __kernfs_new_node+0x124/0x684 [ 41.387676][ T4330] kernfs_new_node+0x98/0x194 [ 41.388765][ T4330] __kernfs_create_file+0x60/0x2d4 [ 41.389951][ T4330] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 41.391185][ T4330] sysfs_create_file_ns+0x144/0x254 [ 41.392354][ T4330] device_create_file+0xfc/0x1b0 [ 41.393590][ T4330] nbd_start_device+0x340/0xb34 [ 41.394771][ T4330] nbd_ioctl+0x420/0xc2c [ 41.395746][ T4330] blkdev_ioctl+0x3d8/0xbd0 [ 41.396710][ T4330] block_ioctl+0xa8/0x114 [ 41.397681][ T4330] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.398861][ T4330] invoke_syscall+0x98/0x2b8 [ 41.399908][ T4330] el0_svc_common+0x138/0x258 [ 41.400892][ T4330] do_el0_svc+0x58/0x14c [ 41.401840][ T4330] el0_svc+0x7c/0x1f0 [ 41.402724][ T4330] el0t_64_sync_handler+0x84/0xe4 [ 41.403818][ T4330] el0t_64_sync+0x1a0/0x1a4 [ 41.415557][ T4336] block nbd4: shutting down sockets [ 41.418893][ T4336] FAULT_INJECTION: forcing a failure. [ 41.418893][ T4336] name failslab, interval 1, probability 0, space 0, times 0 [ 41.422255][ T4336] CPU: 1 PID: 4336 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.424227][ T4336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.426628][ T4336] Call trace: [ 41.427378][ T4336] dump_backtrace+0x0/0x530 [ 41.428396][ T4336] show_stack+0x2c/0x3c [ 41.429328][ T4336] dump_stack_lvl+0x108/0x170 [ 41.430375][ T4336] dump_stack+0x1c/0x58 [ 41.431320][ T4336] should_fail+0x3b8/0x514 [ 41.432370][ T4336] __should_failslab+0xbc/0x110 [ 41.433522][ T4336] should_failslab+0x10/0x28 [ 41.434554][ T4336] slab_pre_alloc_hook+0x64/0xe8 [ 41.435730][ T4336] kmem_cache_alloc+0x98/0x45c [ 41.436856][ T4336] __d_alloc+0x3c/0x6a8 [ 41.437832][ T4336] d_alloc_parallel+0xb8/0x11bc [ 41.438910][ T4336] __lookup_slow+0x108/0x388 [ 41.440013][ T4336] lookup_one_len+0x178/0x28c [ 41.441127][ T4336] start_creating+0x19c/0x2e0 [ 41.442218][ T4336] debugfs_create_dir+0x34/0x420 [ 41.443263][ T4336] nbd_start_device+0x3bc/0xb34 [ 41.444416][ T4336] nbd_ioctl+0x420/0xc2c [ 41.445451][ T4336] blkdev_ioctl+0x3d8/0xbd0 [ 41.446566][ T4336] block_ioctl+0xa8/0x114 [ 41.447651][ T4336] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.448802][ T4336] invoke_syscall+0x98/0x2b8 [ 41.449690][ T4336] el0_svc_common+0x138/0x258 [ 41.450563][ T4336] do_el0_svc+0x58/0x14c [ 41.451356][ T4336] el0_svc+0x7c/0x1f0 [ 41.452142][ T4336] el0t_64_sync_handler+0x84/0xe4 [ 41.453114][ T4336] el0t_64_sync+0x1a0/0x1a4 [ 41.456534][ T4336] block nbd4: Failed to create debugfs dir for 'nbd4' [ 41.458269][ T4332] FAULT_INJECTION: forcing a failure. [ 41.458269][ T4332] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 41.462487][ T4332] CPU: 1 PID: 4332 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.464562][ T4332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.466861][ T4332] Call trace: [ 41.467580][ T4332] dump_backtrace+0x0/0x530 [ 41.468696][ T4332] show_stack+0x2c/0x3c [ 41.469689][ T4332] dump_stack_lvl+0x108/0x170 [ 41.470789][ T4332] dump_stack+0x1c/0x58 [ 41.471804][ T4332] should_fail+0x3b8/0x514 [ 41.472775][ T4332] __should_failslab+0xbc/0x110 [ 41.473882][ T4332] should_failslab+0x10/0x28 [ 41.475061][ T4332] slab_pre_alloc_hook+0x64/0xe8 [ 41.476175][ T4332] kmem_cache_alloc+0x98/0x45c [ 41.477256][ T4332] new_inode_pseudo+0x110/0x200 [ 41.478415][ T4332] new_inode+0x38/0x174 [ 41.479506][ T4332] debugfs_create_dir+0xf0/0x420 [ 41.480674][ T4332] nbd_start_device+0x3bc/0xb34 [ 41.481969][ T4332] nbd_ioctl+0x420/0xc2c [ 41.483042][ T4332] blkdev_ioctl+0x3d8/0xbd0 [ 41.484059][ T4332] block_ioctl+0xa8/0x114 [ 41.485077][ T4332] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.485432][ T4338] block nbd1: shutting down sockets [ 41.486164][ T4332] invoke_syscall+0x98/0x2b8 [ 41.486181][ T4332] el0_svc_common+0x138/0x258 [ 41.486191][ T4332] do_el0_svc+0x58/0x14c [ 41.490619][ T4332] el0_svc+0x7c/0x1f0 [ 41.491588][ T4332] el0t_64_sync_handler+0x84/0xe4 [ 41.492809][ T4332] el0t_64_sync+0x1a0/0x1a4 [ 41.495583][ T4332] debugfs: out of free dentries, can not create directory 'nbd0' executing program [ 41.497737][ T4338] FAULT_INJECTION: forcing a failure. [ 41.497737][ T4338] name failslab, interval 1, probability 0, space 0, times 0 [ 41.500362][ T4332] block nbd0: Failed to create debugfs dir for 'nbd0' [ 41.500986][ T4338] CPU: 1 PID: 4338 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.504202][ T4338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.506389][ T4338] Call trace: [ 41.507148][ T4338] dump_backtrace+0x0/0x530 [ 41.508210][ T4338] show_stack+0x2c/0x3c [ 41.509017][ T4340] block nbd2: shutting down sockets [ 41.509146][ T4338] dump_stack_lvl+0x108/0x170 [ 41.511493][ T4338] dump_stack+0x1c/0x58 [ 41.512417][ T4338] should_fail+0x3b8/0x514 [ 41.513498][ T4338] __should_failslab+0xbc/0x110 [ 41.514688][ T4338] should_failslab+0x10/0x28 [ 41.515749][ T4338] slab_pre_alloc_hook+0x64/0xe8 [ 41.516899][ T4338] kmem_cache_alloc+0x98/0x45c [ 41.518134][ T4338] new_inode_pseudo+0x110/0x200 [ 41.519227][ T4338] new_inode+0x38/0x174 [ 41.520231][ T4338] debugfs_create_dir+0xf0/0x420 [ 41.521449][ T4338] nbd_start_device+0x3bc/0xb34 [ 41.522698][ T4338] nbd_ioctl+0x420/0xc2c [ 41.523732][ T4338] blkdev_ioctl+0x3d8/0xbd0 [ 41.524857][ T4338] block_ioctl+0xa8/0x114 [ 41.525948][ T4338] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.527150][ T4338] invoke_syscall+0x98/0x2b8 [ 41.528212][ T4338] el0_svc_common+0x138/0x258 [ 41.529311][ T4338] do_el0_svc+0x58/0x14c [ 41.530254][ T4338] el0_svc+0x7c/0x1f0 [ 41.531205][ T4338] el0t_64_sync_handler+0x84/0xe4 [ 41.532407][ T4338] el0t_64_sync+0x1a0/0x1a4 [ 41.535219][ T4338] debugfs: out of free dentries, can not create directory 'nbd1' [ 41.537112][ T4340] FAULT_INJECTION: forcing a failure. [ 41.537112][ T4340] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 41.539061][ T4338] block nbd1: Failed to create debugfs dir for 'nbd1' [ 41.540738][ T4340] CPU: 0 PID: 4340 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.543611][ T4340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.546096][ T4340] Call trace: [ 41.546852][ T4340] dump_backtrace+0x0/0x530 [ 41.547893][ T4340] show_stack+0x2c/0x3c [ 41.548934][ T4340] dump_stack_lvl+0x108/0x170 [ 41.550076][ T4340] dump_stack+0x1c/0x58 [ 41.551008][ T4340] should_fail+0x3b8/0x514 [ 41.552107][ T4340] __should_failslab+0xbc/0x110 [ 41.553192][ T4340] should_failslab+0x10/0x28 [ 41.554345][ T4340] slab_pre_alloc_hook+0x64/0xe8 [ 41.555454][ T4340] kmem_cache_alloc+0x98/0x45c [ 41.556645][ T4340] new_inode_pseudo+0x110/0x200 [ 41.557733][ T4340] new_inode+0x38/0x174 [ 41.558731][ T4340] debugfs_create_dir+0xf0/0x420 [ 41.559851][ T4340] nbd_start_device+0x3bc/0xb34 [ 41.560978][ T4340] nbd_ioctl+0x420/0xc2c [ 41.561938][ T4340] blkdev_ioctl+0x3d8/0xbd0 [ 41.563014][ T4340] block_ioctl+0xa8/0x114 [ 41.564117][ T4340] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.565347][ T4340] invoke_syscall+0x98/0x2b8 [ 41.566410][ T4340] el0_svc_common+0x138/0x258 [ 41.567464][ T4340] do_el0_svc+0x58/0x14c [ 41.568417][ T4340] el0_svc+0x7c/0x1f0 [ 41.569366][ T4340] el0t_64_sync_handler+0x84/0xe4 [ 41.570573][ T4340] el0t_64_sync+0x1a0/0x1a4 [ 41.574301][ T4340] debugfs: out of free dentries, can not create directory 'nbd2' [ 41.581240][ T4340] block nbd2: Failed to create debugfs dir for 'nbd2' executing program executing program [ 41.605420][ T4348] block nbd3: shutting down sockets [ 41.616494][ T4346] block nbd4: shutting down sockets [ 41.616521][ T4349] block nbd0: shutting down sockets [ 41.626303][ T4349] FAULT_INJECTION: forcing a failure. [ 41.626303][ T4349] name failslab, interval 1, probability 0, space 0, times 0 [ 41.629314][ T4349] CPU: 1 PID: 4349 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.631164][ T4349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.633477][ T4349] Call trace: [ 41.634186][ T4349] dump_backtrace+0x0/0x530 [ 41.635175][ T4349] show_stack+0x2c/0x3c [ 41.636197][ T4349] dump_stack_lvl+0x108/0x170 [ 41.637287][ T4349] dump_stack+0x1c/0x58 [ 41.638314][ T4349] should_fail+0x3b8/0x514 [ 41.639433][ T4349] __should_failslab+0xbc/0x110 [ 41.640588][ T4349] should_failslab+0x10/0x28 [ 41.641545][ T4349] slab_pre_alloc_hook+0x64/0xe8 [ 41.642654][ T4349] kmem_cache_alloc+0x98/0x45c [ 41.643745][ T4349] __d_alloc+0x3c/0x6a8 [ 41.644588][ T4349] d_alloc_parallel+0xb8/0x11bc [ 41.645744][ T4349] __lookup_slow+0x108/0x388 [ 41.646789][ T4349] lookup_one_len+0x178/0x28c [ 41.647877][ T4349] start_creating+0x19c/0x2e0 [ 41.648995][ T4349] debugfs_create_dir+0x34/0x420 [ 41.650129][ T4349] nbd_start_device+0x3bc/0xb34 [ 41.651199][ T4349] nbd_ioctl+0x420/0xc2c [ 41.652119][ T4349] blkdev_ioctl+0x3d8/0xbd0 [ 41.653148][ T4349] block_ioctl+0xa8/0x114 [ 41.654269][ T4349] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.655423][ T4349] invoke_syscall+0x98/0x2b8 [ 41.656469][ T4349] el0_svc_common+0x138/0x258 [ 41.657598][ T4349] do_el0_svc+0x58/0x14c [ 41.658580][ T4349] el0_svc+0x7c/0x1f0 [ 41.659484][ T4349] el0t_64_sync_handler+0x84/0xe4 [ 41.660700][ T4349] el0t_64_sync+0x1a0/0x1a4 [ 41.662980][ T4349] block nbd0: Failed to create debugfs dir for 'nbd0' [ 41.665169][ T4346] FAULT_INJECTION: forcing a failure. [ 41.665169][ T4346] name failslab, interval 1, probability 0, space 0, times 0 [ 41.668369][ T4346] CPU: 0 PID: 4346 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.670337][ T4346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.672630][ T4346] Call trace: [ 41.673359][ T4346] dump_backtrace+0x0/0x530 [ 41.674445][ T4346] show_stack+0x2c/0x3c [ 41.675392][ T4346] dump_stack_lvl+0x108/0x170 [ 41.676449][ T4346] dump_stack+0x1c/0x58 [ 41.677444][ T4346] should_fail+0x3b8/0x514 [ 41.678484][ T4346] __should_failslab+0xbc/0x110 [ 41.679647][ T4346] should_failslab+0x10/0x28 [ 41.680726][ T4346] slab_pre_alloc_hook+0x64/0xe8 [ 41.681955][ T4346] kmem_cache_alloc+0x98/0x45c [ 41.683036][ T4346] new_inode_pseudo+0x110/0x200 [ 41.684168][ T4346] new_inode+0x38/0x174 [ 41.685147][ T4346] debugfs_create_dir+0xf0/0x420 [ 41.686373][ T4346] nbd_start_device+0x3bc/0xb34 [ 41.687457][ T4346] nbd_ioctl+0x420/0xc2c [ 41.688522][ T4346] blkdev_ioctl+0x3d8/0xbd0 [ 41.689600][ T4346] block_ioctl+0xa8/0x114 [ 41.690616][ T4346] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.691810][ T4346] invoke_syscall+0x98/0x2b8 [ 41.692875][ T4346] el0_svc_common+0x138/0x258 [ 41.694089][ T4346] do_el0_svc+0x58/0x14c [ 41.695153][ T4346] el0_svc+0x7c/0x1f0 [ 41.695183][ T4355] block nbd1: shutting down sockets [ 41.696048][ T4346] el0t_64_sync_handler+0x84/0xe4 [ 41.698472][ T4346] el0t_64_sync+0x1a0/0x1a4 [ 41.702107][ T4346] debugfs: out of free dentries, can not create directory 'nbd4' [ 41.704696][ T4354] block nbd2: shutting down sockets [ 41.708490][ T4346] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 41.715814][ T4344] FAULT_INJECTION: forcing a failure. [ 41.715814][ T4344] name failslab, interval 1, probability 0, space 0, times 0 [ 41.719240][ T4344] CPU: 1 PID: 4344 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.721119][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.723429][ T4344] Call trace: [ 41.724176][ T4344] dump_backtrace+0x0/0x530 [ 41.725213][ T4344] show_stack+0x2c/0x3c [ 41.726206][ T4344] dump_stack_lvl+0x108/0x170 [ 41.727322][ T4344] dump_stack+0x1c/0x58 [ 41.728324][ T4344] should_fail+0x3b8/0x514 [ 41.729388][ T4344] __should_failslab+0xbc/0x110 [ 41.730542][ T4344] should_failslab+0x10/0x28 [ 41.731629][ T4344] slab_pre_alloc_hook+0x64/0xe8 [ 41.732858][ T4344] kmem_cache_alloc+0x98/0x45c [ 41.733899][ T4344] new_inode_pseudo+0x110/0x200 [ 41.735040][ T4344] new_inode+0x38/0x174 [ 41.736012][ T4344] debugfs_create_dir+0xf0/0x420 [ 41.737198][ T4344] nbd_start_device+0x3bc/0xb34 [ 41.738357][ T4344] nbd_ioctl+0x420/0xc2c [ 41.739326][ T4344] blkdev_ioctl+0x3d8/0xbd0 [ 41.740388][ T4344] block_ioctl+0xa8/0x114 [ 41.741412][ T4344] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.742558][ T4344] invoke_syscall+0x98/0x2b8 [ 41.743667][ T4344] el0_svc_common+0x138/0x258 [ 41.744764][ T4344] do_el0_svc+0x58/0x14c [ 41.745775][ T4344] el0_svc+0x7c/0x1f0 [ 41.746714][ T4344] el0t_64_sync_handler+0x84/0xe4 [ 41.747878][ T4344] el0t_64_sync+0x1a0/0x1a4 [ 41.750122][ T4344] debugfs: out of free dentries, can not create directory 'nbd3' executing program [ 41.752266][ T4352] FAULT_INJECTION: forcing a failure. [ 41.752266][ T4352] name failslab, interval 1, probability 0, space 0, times 0 [ 41.754707][ T4344] block nbd3: Failed to create debugfs dir for 'nbd3' [ 41.755400][ T4352] CPU: 1 PID: 4352 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.758971][ T4352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.761475][ T4352] Call trace: [ 41.762232][ T4352] dump_backtrace+0x0/0x530 [ 41.763308][ T4352] show_stack+0x2c/0x3c [ 41.764271][ T4352] dump_stack_lvl+0x108/0x170 [ 41.765448][ T4352] dump_stack+0x1c/0x58 [ 41.766482][ T4352] should_fail+0x3b8/0x514 [ 41.767515][ T4352] __should_failslab+0xbc/0x110 [ 41.768674][ T4352] should_failslab+0x10/0x28 [ 41.769702][ T4352] slab_pre_alloc_hook+0x64/0xe8 [ 41.770873][ T4352] kmem_cache_alloc+0x98/0x45c [ 41.772022][ T4352] new_inode_pseudo+0x110/0x200 [ 41.773267][ T4352] new_inode+0x38/0x174 [ 41.774202][ T4352] debugfs_create_dir+0xf0/0x420 [ 41.775392][ T4352] nbd_start_device+0x3bc/0xb34 [ 41.776455][ T4352] nbd_ioctl+0x420/0xc2c [ 41.777463][ T4352] blkdev_ioctl+0x3d8/0xbd0 [ 41.778432][ T4352] block_ioctl+0xa8/0x114 [ 41.779446][ T4352] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.780559][ T4352] invoke_syscall+0x98/0x2b8 executing program [ 41.781609][ T4352] el0_svc_common+0x138/0x258 [ 41.782665][ T4352] do_el0_svc+0x58/0x14c [ 41.783605][ T4352] el0_svc+0x7c/0x1f0 [ 41.784506][ T4352] el0t_64_sync_handler+0x84/0xe4 [ 41.785680][ T4352] el0t_64_sync+0x1a0/0x1a4 [ 41.788139][ T4352] debugfs: out of free dentries, can not create directory 'nbd1' [ 41.790249][ T4352] block nbd1: Failed to create debugfs dir for 'nbd1' [ 41.790297][ T4354] FAULT_INJECTION: forcing a failure. [ 41.790297][ T4354] name failslab, interval 1, probability 0, space 0, times 0 [ 41.794748][ T4354] CPU: 0 PID: 4354 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.796734][ T4354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.799172][ T4354] Call trace: [ 41.800010][ T4354] dump_backtrace+0x0/0x530 [ 41.801070][ T4354] show_stack+0x2c/0x3c [ 41.802129][ T4354] dump_stack_lvl+0x108/0x170 [ 41.803174][ T4354] dump_stack+0x1c/0x58 [ 41.804109][ T4354] should_fail+0x3b8/0x514 [ 41.805058][ T4354] __should_failslab+0xbc/0x110 [ 41.806099][ T4354] should_failslab+0x10/0x28 [ 41.807078][ T4354] slab_pre_alloc_hook+0x64/0xe8 [ 41.808226][ T4354] kmem_cache_alloc+0x98/0x45c [ 41.809312][ T4354] new_inode_pseudo+0x110/0x200 [ 41.810436][ T4354] new_inode+0x38/0x174 [ 41.811356][ T4354] debugfs_create_dir+0xf0/0x420 [ 41.812470][ T4354] nbd_start_device+0x3bc/0xb34 [ 41.813534][ T4354] nbd_ioctl+0x420/0xc2c [ 41.814481][ T4354] blkdev_ioctl+0x3d8/0xbd0 [ 41.815507][ T4354] block_ioctl+0xa8/0x114 [ 41.816446][ T4354] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.817579][ T4354] invoke_syscall+0x98/0x2b8 [ 41.818631][ T4354] el0_svc_common+0x138/0x258 [ 41.819657][ T4354] do_el0_svc+0x58/0x14c [ 41.820618][ T4354] el0_svc+0x7c/0x1f0 [ 41.821480][ T4354] el0t_64_sync_handler+0x84/0xe4 executing program [ 41.822573][ T4354] el0t_64_sync+0x1a0/0x1a4 [ 41.824635][ T4354] debugfs: out of free dentries, can not create directory 'nbd2' [ 41.827585][ T4354] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 41.855394][ T4363] block nbd0: shutting down sockets [ 41.856999][ T4360] block nbd4: shutting down sockets [ 41.866648][ T4362] block nbd3: shutting down sockets [ 41.869081][ T4358] FAULT_INJECTION: forcing a failure. [ 41.869081][ T4358] name failslab, interval 1, probability 0, space 0, times 0 [ 41.871867][ T4358] CPU: 0 PID: 4358 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.873738][ T4358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.876023][ T4358] Call trace: [ 41.876799][ T4358] dump_backtrace+0x0/0x530 [ 41.877881][ T4358] show_stack+0x2c/0x3c [ 41.878832][ T4358] dump_stack_lvl+0x108/0x170 [ 41.879921][ T4358] dump_stack+0x1c/0x58 [ 41.880853][ T4358] should_fail+0x3b8/0x514 [ 41.881940][ T4358] __should_failslab+0xbc/0x110 [ 41.883081][ T4358] should_failslab+0x10/0x28 [ 41.884126][ T4358] slab_pre_alloc_hook+0x64/0xe8 [ 41.885288][ T4358] kmem_cache_alloc+0x98/0x45c [ 41.886323][ T4358] radix_tree_node_alloc+0x184/0x360 [ 41.887540][ T4358] idr_get_free+0x240/0x8b0 [ 41.888535][ T4358] idr_alloc_cyclic+0x18c/0x4f4 [ 41.889645][ T4358] __kernfs_new_node+0x124/0x684 [ 41.890772][ T4358] kernfs_new_node+0x98/0x194 [ 41.891780][ T4358] __kernfs_create_file+0x60/0x2d4 [ 41.893018][ T4358] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 41.894241][ T4358] sysfs_create_file_ns+0x144/0x254 [ 41.895477][ T4358] device_create_file+0xfc/0x1b0 [ 41.896650][ T4358] nbd_start_device+0x340/0xb34 [ 41.897758][ T4358] nbd_ioctl+0x420/0xc2c [ 41.898749][ T4358] blkdev_ioctl+0x3d8/0xbd0 [ 41.899803][ T4358] block_ioctl+0xa8/0x114 [ 41.900763][ T4358] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.901919][ T4358] invoke_syscall+0x98/0x2b8 [ 41.903062][ T4358] el0_svc_common+0x138/0x258 [ 41.904142][ T4358] do_el0_svc+0x58/0x14c [ 41.905102][ T4358] el0_svc+0x7c/0x1f0 [ 41.906054][ T4358] el0t_64_sync_handler+0x84/0xe4 [ 41.907159][ T4358] el0t_64_sync+0x1a0/0x1a4 [ 41.908453][ T4360] FAULT_INJECTION: forcing a failure. [ 41.908453][ T4360] name failslab, interval 1, probability 0, space 0, times 0 [ 41.911627][ T4360] CPU: 1 PID: 4360 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.913634][ T4360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.916158][ T4360] Call trace: [ 41.916996][ T4360] dump_backtrace+0x0/0x530 [ 41.918151][ T4360] show_stack+0x2c/0x3c [ 41.919109][ T4360] dump_stack_lvl+0x108/0x170 [ 41.920148][ T4360] dump_stack+0x1c/0x58 [ 41.921042][ T4360] should_fail+0x3b8/0x514 [ 41.922054][ T4360] __should_failslab+0xbc/0x110 [ 41.923169][ T4360] should_failslab+0x10/0x28 [ 41.924170][ T4360] slab_pre_alloc_hook+0x64/0xe8 [ 41.925262][ T4360] kmem_cache_alloc+0x98/0x45c [ 41.926440][ T4360] new_inode_pseudo+0x110/0x200 [ 41.927564][ T4360] new_inode+0x38/0x174 [ 41.928545][ T4360] debugfs_create_dir+0xf0/0x420 [ 41.929754][ T4360] nbd_start_device+0x3bc/0xb34 [ 41.930995][ T4360] nbd_ioctl+0x420/0xc2c [ 41.931997][ T4360] blkdev_ioctl+0x3d8/0xbd0 [ 41.933070][ T4360] block_ioctl+0xa8/0x114 [ 41.934038][ T4360] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.935113][ T4360] invoke_syscall+0x98/0x2b8 [ 41.936182][ T4360] el0_svc_common+0x138/0x258 [ 41.937249][ T4360] do_el0_svc+0x58/0x14c [ 41.938275][ T4360] el0_svc+0x7c/0x1f0 [ 41.939121][ T4360] el0t_64_sync_handler+0x84/0xe4 [ 41.940328][ T4360] el0t_64_sync+0x1a0/0x1a4 [ 41.941860][ T4360] debugfs: out of free dentries, can not create directory 'nbd4' [ 41.943873][ T4360] block nbd4: Failed to create debugfs dir for 'nbd4' [ 41.944041][ T4362] FAULT_INJECTION: forcing a failure. [ 41.944041][ T4362] name failslab, interval 1, probability 0, space 0, times 0 [ 41.951545][ T4362] CPU: 1 PID: 4362 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 41.953456][ T4362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 41.955762][ T4362] Call trace: [ 41.956513][ T4362] dump_backtrace+0x0/0x530 [ 41.957530][ T4362] show_stack+0x2c/0x3c [ 41.958536][ T4362] dump_stack_lvl+0x108/0x170 [ 41.959701][ T4362] dump_stack+0x1c/0x58 [ 41.960627][ T4362] should_fail+0x3b8/0x514 [ 41.961695][ T4362] __should_failslab+0xbc/0x110 [ 41.962812][ T4362] should_failslab+0x10/0x28 [ 41.963922][ T4362] slab_pre_alloc_hook+0x64/0xe8 [ 41.964996][ T4362] kmem_cache_alloc+0x98/0x45c [ 41.966023][ T4362] new_inode_pseudo+0x110/0x200 [ 41.967224][ T4362] new_inode+0x38/0x174 [ 41.968198][ T4362] debugfs_create_dir+0xf0/0x420 [ 41.969305][ T4362] nbd_start_device+0x3bc/0xb34 [ 41.970396][ T4362] nbd_ioctl+0x420/0xc2c [ 41.971446][ T4362] blkdev_ioctl+0x3d8/0xbd0 [ 41.972495][ T4362] block_ioctl+0xa8/0x114 [ 41.973518][ T4362] __arm64_sys_ioctl+0x14c/0x1c8 [ 41.974664][ T4362] invoke_syscall+0x98/0x2b8 [ 41.975721][ T4362] el0_svc_common+0x138/0x258 [ 41.976743][ T4362] do_el0_svc+0x58/0x14c [ 41.977739][ T4362] el0_svc+0x7c/0x1f0 [ 41.978656][ T4362] el0t_64_sync_handler+0x84/0xe4 [ 41.979876][ T4362] el0t_64_sync+0x1a0/0x1a4 [ 41.982458][ T4369] block nbd1: shutting down sockets [ 41.983564][ T4362] debugfs: out of free dentries, can not create directory 'nbd3' [ 41.988610][ T4362] block nbd3: Failed to create debugfs dir for 'nbd3' executing program [ 42.005245][ T4371] block nbd2: shutting down sockets [ 42.012249][ T4368] FAULT_INJECTION: forcing a failure. [ 42.012249][ T4368] name failslab, interval 1, probability 0, space 0, times 0 [ 42.017679][ T4368] CPU: 0 PID: 4368 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.019683][ T4368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 executing program [ 42.022078][ T4368] Call trace: [ 42.022812][ T4368] dump_backtrace+0x0/0x530 [ 42.023821][ T4368] show_stack+0x2c/0x3c [ 42.024818][ T4368] dump_stack_lvl+0x108/0x170 [ 42.025899][ T4368] dump_stack+0x1c/0x58 [ 42.026876][ T4368] should_fail+0x3b8/0x514 [ 42.027967][ T4368] __should_failslab+0xbc/0x110 [ 42.029068][ T4368] should_failslab+0x10/0x28 [ 42.030226][ T4368] slab_pre_alloc_hook+0x64/0xe8 [ 42.031443][ T4368] kmem_cache_alloc+0x98/0x45c [ 42.032647][ T4368] new_inode_pseudo+0x110/0x200 [ 42.033846][ T4368] new_inode+0x38/0x174 [ 42.034866][ T4368] debugfs_create_dir+0xf0/0x420 [ 42.036148][ T4368] nbd_start_device+0x3bc/0xb34 [ 42.037309][ T4368] nbd_ioctl+0x420/0xc2c [ 42.038226][ T4368] blkdev_ioctl+0x3d8/0xbd0 [ 42.039378][ T4368] block_ioctl+0xa8/0x114 [ 42.040407][ T4368] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.041617][ T4368] invoke_syscall+0x98/0x2b8 [ 42.042713][ T4368] el0_svc_common+0x138/0x258 [ 42.043832][ T4368] do_el0_svc+0x58/0x14c [ 42.044784][ T4368] el0_svc+0x7c/0x1f0 [ 42.045717][ T4368] el0t_64_sync_handler+0x84/0xe4 [ 42.046856][ T4368] el0t_64_sync+0x1a0/0x1a4 executing program [ 42.049151][ T4368] debugfs: out of free dentries, can not create directory 'nbd2' [ 42.050976][ T4372] FAULT_INJECTION: forcing a failure. [ 42.050976][ T4372] name failslab, interval 1, probability 0, space 0, times 0 [ 42.051486][ T4368] block nbd2: Failed to create debugfs dir for 'nbd2' [ 42.053850][ T4372] CPU: 0 PID: 4372 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.057288][ T4372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.059624][ T4372] Call trace: [ 42.060347][ T4372] dump_backtrace+0x0/0x530 [ 42.061430][ T4372] show_stack+0x2c/0x3c [ 42.062409][ T4372] dump_stack_lvl+0x108/0x170 [ 42.063446][ T4372] dump_stack+0x1c/0x58 [ 42.064425][ T4372] should_fail+0x3b8/0x514 [ 42.065496][ T4372] __should_failslab+0xbc/0x110 [ 42.066560][ T4372] should_failslab+0x10/0x28 [ 42.067683][ T4372] slab_pre_alloc_hook+0x64/0xe8 [ 42.068850][ T4372] kmem_cache_alloc+0x98/0x45c [ 42.070006][ T4372] new_inode_pseudo+0x110/0x200 [ 42.071170][ T4372] new_inode+0x38/0x174 [ 42.072123][ T4372] debugfs_create_dir+0xf0/0x420 [ 42.073349][ T4372] nbd_start_device+0x3bc/0xb34 [ 42.074502][ T4372] nbd_ioctl+0x420/0xc2c [ 42.075462][ T4372] blkdev_ioctl+0x3d8/0xbd0 [ 42.076478][ T4372] block_ioctl+0xa8/0x114 [ 42.077443][ T4372] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.078475][ T4372] invoke_syscall+0x98/0x2b8 [ 42.079458][ T4372] el0_svc_common+0x138/0x258 [ 42.080521][ T4372] do_el0_svc+0x58/0x14c [ 42.081484][ T4372] el0_svc+0x7c/0x1f0 [ 42.082399][ T4372] el0t_64_sync_handler+0x84/0xe4 executing program [ 42.083544][ T4372] el0t_64_sync+0x1a0/0x1a4 [ 42.085794][ T4372] debugfs: out of free dentries, can not create directory 'nbd1' [ 42.088044][ T4372] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 42.116081][ T4383] block nbd0: shutting down sockets [ 42.121045][ T4385] block nbd4: shutting down sockets [ 42.125480][ T4384] block nbd3: shutting down sockets [ 42.127544][ T4376] FAULT_INJECTION: forcing a failure. [ 42.127544][ T4376] name failslab, interval 1, probability 0, space 0, times 0 [ 42.136947][ T4376] CPU: 1 PID: 4376 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.138864][ T4376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.141251][ T4376] Call trace: [ 42.142036][ T4376] dump_backtrace+0x0/0x530 [ 42.143069][ T4376] show_stack+0x2c/0x3c [ 42.144008][ T4376] dump_stack_lvl+0x108/0x170 [ 42.145078][ T4376] dump_stack+0x1c/0x58 [ 42.146001][ T4376] should_fail+0x3b8/0x514 [ 42.147038][ T4376] __should_failslab+0xbc/0x110 [ 42.148146][ T4376] should_failslab+0x10/0x28 [ 42.149232][ T4376] slab_pre_alloc_hook+0x64/0xe8 [ 42.150400][ T4376] kmem_cache_alloc+0x98/0x45c [ 42.151534][ T4376] __d_alloc+0x3c/0x6a8 [ 42.152548][ T4376] d_alloc_parallel+0xb8/0x11bc [ 42.153691][ T4376] __lookup_slow+0x108/0x388 [ 42.154793][ T4376] lookup_one_len+0x178/0x28c [ 42.155891][ T4376] start_creating+0x19c/0x2e0 [ 42.156993][ T4376] debugfs_create_dir+0x34/0x420 [ 42.158205][ T4376] nbd_start_device+0x3bc/0xb34 [ 42.159368][ T4376] nbd_ioctl+0x420/0xc2c [ 42.160329][ T4376] blkdev_ioctl+0x3d8/0xbd0 [ 42.161366][ T4376] block_ioctl+0xa8/0x114 [ 42.162398][ T4376] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.163457][ T4376] invoke_syscall+0x98/0x2b8 [ 42.164518][ T4376] el0_svc_common+0x138/0x258 [ 42.165569][ T4376] do_el0_svc+0x58/0x14c [ 42.166564][ T4376] el0_svc+0x7c/0x1f0 [ 42.167413][ T4376] el0t_64_sync_handler+0x84/0xe4 [ 42.168617][ T4376] el0t_64_sync+0x1a0/0x1a4 [ 42.170190][ T4374] FAULT_INJECTION: forcing a failure. [ 42.170190][ T4374] name failslab, interval 1, probability 0, space 0, times 0 [ 42.172694][ T4376] block nbd0: Failed to create debugfs dir for 'nbd0' [ 42.173417][ T4374] CPU: 1 PID: 4374 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.176676][ T4374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.178992][ T4374] Call trace: [ 42.179752][ T4374] dump_backtrace+0x0/0x530 [ 42.180819][ T4374] show_stack+0x2c/0x3c [ 42.181766][ T4374] dump_stack_lvl+0x108/0x170 [ 42.182869][ T4374] dump_stack+0x1c/0x58 [ 42.183894][ T4374] should_fail+0x3b8/0x514 [ 42.184838][ T4374] __should_failslab+0xbc/0x110 [ 42.185936][ T4374] should_failslab+0x10/0x28 [ 42.187000][ T4374] slab_pre_alloc_hook+0x64/0xe8 [ 42.188189][ T4374] kmem_cache_alloc+0x98/0x45c [ 42.189373][ T4374] new_inode_pseudo+0x110/0x200 [ 42.190622][ T4374] new_inode+0x38/0x174 [ 42.191585][ T4374] debugfs_create_dir+0xf0/0x420 [ 42.192755][ T4374] nbd_start_device+0x3bc/0xb34 [ 42.193888][ T4374] nbd_ioctl+0x420/0xc2c [ 42.194887][ T4374] blkdev_ioctl+0x3d8/0xbd0 [ 42.195864][ T4374] block_ioctl+0xa8/0x114 [ 42.196915][ T4374] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.198095][ T4374] invoke_syscall+0x98/0x2b8 [ 42.199209][ T4374] el0_svc_common+0x138/0x258 [ 42.200214][ T4374] do_el0_svc+0x58/0x14c [ 42.201261][ T4374] el0_svc+0x7c/0x1f0 [ 42.202145][ T4374] el0t_64_sync_handler+0x84/0xe4 [ 42.203259][ T4374] el0t_64_sync+0x1a0/0x1a4 [ 42.205810][ T4374] debugfs: out of free dentries, can not create directory 'nbd4' [ 42.207750][ T4386] block nbd2: shutting down sockets [ 42.207837][ T4387] block nbd1: shutting down sockets [ 42.210490][ T4378] FAULT_INJECTION: forcing a failure. [ 42.210490][ T4378] name failslab, interval 1, probability 0, space 0, times 0 [ 42.213748][ T4378] CPU: 1 PID: 4378 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.215722][ T4378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.218072][ T4378] Call trace: [ 42.218876][ T4378] dump_backtrace+0x0/0x530 [ 42.219930][ T4378] show_stack+0x2c/0x3c [ 42.220893][ T4378] dump_stack_lvl+0x108/0x170 [ 42.222055][ T4378] dump_stack+0x1c/0x58 [ 42.223057][ T4378] should_fail+0x3b8/0x514 [ 42.224049][ T4378] __should_failslab+0xbc/0x110 [ 42.225203][ T4378] should_failslab+0x10/0x28 [ 42.226201][ T4378] slab_pre_alloc_hook+0x64/0xe8 [ 42.227414][ T4378] kmem_cache_alloc+0x98/0x45c [ 42.228480][ T4378] new_inode_pseudo+0x110/0x200 [ 42.229550][ T4378] new_inode+0x38/0x174 [ 42.230534][ T4378] debugfs_create_dir+0xf0/0x420 [ 42.231647][ T4378] nbd_start_device+0x3bc/0xb34 [ 42.232773][ T4378] nbd_ioctl+0x420/0xc2c [ 42.233750][ T4378] blkdev_ioctl+0x3d8/0xbd0 [ 42.234756][ T4378] block_ioctl+0xa8/0x114 [ 42.235758][ T4378] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.236840][ T4378] invoke_syscall+0x98/0x2b8 [ 42.237906][ T4378] el0_svc_common+0x138/0x258 [ 42.238956][ T4378] do_el0_svc+0x58/0x14c [ 42.239868][ T4378] el0_svc+0x7c/0x1f0 [ 42.240771][ T4378] el0t_64_sync_handler+0x84/0xe4 [ 42.241922][ T4378] el0t_64_sync+0x1a0/0x1a4 [ 42.243675][ T4374] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 42.246420][ T4378] debugfs: out of free dentries, can not create directory 'nbd3' [ 42.251406][ T4380] FAULT_INJECTION: forcing a failure. [ 42.251406][ T4380] name failslab, interval 1, probability 0, space 0, times 0 [ 42.254362][ T4380] CPU: 0 PID: 4380 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.256429][ T4380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.258780][ T4380] Call trace: [ 42.259638][ T4380] dump_backtrace+0x0/0x530 [ 42.260672][ T4380] show_stack+0x2c/0x3c [ 42.261589][ T4380] dump_stack_lvl+0x108/0x170 [ 42.262619][ T4380] dump_stack+0x1c/0x58 [ 42.263556][ T4380] should_fail+0x3b8/0x514 [ 42.264531][ T4380] __should_failslab+0xbc/0x110 [ 42.265422][ T4378] block nbd3: Failed to create debugfs dir for 'nbd3' [ 42.265639][ T4380] should_failslab+0x10/0x28 [ 42.268392][ T4380] slab_pre_alloc_hook+0x64/0xe8 executing program [ 42.269608][ T4380] kmem_cache_alloc+0x98/0x45c [ 42.270780][ T4380] new_inode_pseudo+0x110/0x200 [ 42.271947][ T4380] new_inode+0x38/0x174 [ 42.272852][ T4380] debugfs_create_dir+0xf0/0x420 [ 42.274050][ T4380] nbd_start_device+0x3bc/0xb34 [ 42.275181][ T4380] nbd_ioctl+0x420/0xc2c [ 42.276191][ T4380] blkdev_ioctl+0x3d8/0xbd0 [ 42.277229][ T4380] block_ioctl+0xa8/0x114 [ 42.278249][ T4380] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.279394][ T4380] invoke_syscall+0x98/0x2b8 [ 42.280453][ T4380] el0_svc_common+0x138/0x258 [ 42.281602][ T4380] do_el0_svc+0x58/0x14c [ 42.282729][ T4380] el0_svc+0x7c/0x1f0 [ 42.283689][ T4380] el0t_64_sync_handler+0x84/0xe4 [ 42.284864][ T4380] el0t_64_sync+0x1a0/0x1a4 [ 42.288088][ T4380] debugfs: out of free dentries, can not create directory 'nbd2' [ 42.291609][ T4382] FAULT_INJECTION: forcing a failure. [ 42.291609][ T4382] name failslab, interval 1, probability 0, space 0, times 0 [ 42.293432][ T4380] block nbd2: Failed to create debugfs dir for 'nbd2' [ 42.294563][ T4382] CPU: 0 PID: 4382 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.294580][ T4382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.294588][ T4382] Call trace: [ 42.294592][ T4382] dump_backtrace+0x0/0x530 [ 42.294607][ T4382] show_stack+0x2c/0x3c executing program [ 42.294618][ T4382] dump_stack_lvl+0x108/0x170 [ 42.304332][ T4382] dump_stack+0x1c/0x58 [ 42.305273][ T4382] should_fail+0x3b8/0x514 [ 42.306290][ T4382] __should_failslab+0xbc/0x110 [ 42.307381][ T4382] should_failslab+0x10/0x28 [ 42.308451][ T4382] slab_pre_alloc_hook+0x64/0xe8 [ 42.309737][ T4382] kmem_cache_alloc+0x98/0x45c [ 42.310923][ T4382] new_inode_pseudo+0x110/0x200 [ 42.311983][ T4382] new_inode+0x38/0x174 [ 42.312960][ T4382] debugfs_create_dir+0xf0/0x420 [ 42.314159][ T4382] nbd_start_device+0x3bc/0xb34 [ 42.315285][ T4382] nbd_ioctl+0x420/0xc2c [ 42.316264][ T4382] blkdev_ioctl+0x3d8/0xbd0 [ 42.317358][ T4382] block_ioctl+0xa8/0x114 [ 42.318416][ T4382] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.319547][ T4382] invoke_syscall+0x98/0x2b8 [ 42.320694][ T4382] el0_svc_common+0x138/0x258 [ 42.321776][ T4382] do_el0_svc+0x58/0x14c [ 42.322759][ T4382] el0_svc+0x7c/0x1f0 [ 42.323670][ T4382] el0t_64_sync_handler+0x84/0xe4 [ 42.324930][ T4382] el0t_64_sync+0x1a0/0x1a4 executing program [ 42.327194][ T4382] debugfs: out of free dentries, can not create directory 'nbd1' [ 42.329268][ T4382] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 42.375830][ T4389] block nbd0: shutting down sockets [ 42.376583][ T4391] block nbd4: shutting down sockets [ 42.385835][ T4393] block nbd3: shutting down sockets [ 42.388415][ T4389] FAULT_INJECTION: forcing a failure. [ 42.388415][ T4389] name failslab, interval 1, probability 0, space 0, times 0 [ 42.391194][ T4389] CPU: 0 PID: 4389 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.393086][ T4389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.395351][ T4389] Call trace: [ 42.396126][ T4389] dump_backtrace+0x0/0x530 [ 42.397172][ T4389] show_stack+0x2c/0x3c [ 42.398118][ T4389] dump_stack_lvl+0x108/0x170 [ 42.399245][ T4389] dump_stack+0x1c/0x58 [ 42.400216][ T4389] should_fail+0x3b8/0x514 [ 42.401213][ T4389] __should_failslab+0xbc/0x110 [ 42.402319][ T4389] should_failslab+0x10/0x28 [ 42.403396][ T4389] slab_pre_alloc_hook+0x64/0xe8 [ 42.404591][ T4389] kmem_cache_alloc+0x98/0x45c [ 42.405699][ T4389] __d_alloc+0x3c/0x6a8 [ 42.406713][ T4389] d_alloc_parallel+0xb8/0x11bc [ 42.407817][ T4389] __lookup_slow+0x108/0x388 [ 42.408887][ T4389] lookup_one_len+0x178/0x28c [ 42.409969][ T4389] start_creating+0x19c/0x2e0 [ 42.411036][ T4389] debugfs_create_dir+0x34/0x420 [ 42.412187][ T4389] nbd_start_device+0x3bc/0xb34 [ 42.413359][ T4389] nbd_ioctl+0x420/0xc2c [ 42.414358][ T4389] blkdev_ioctl+0x3d8/0xbd0 [ 42.415209][ T4400] block nbd2: shutting down sockets [ 42.415495][ T4389] block_ioctl+0xa8/0x114 [ 42.417664][ T4389] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.418856][ T4389] invoke_syscall+0x98/0x2b8 [ 42.419930][ T4389] el0_svc_common+0x138/0x258 [ 42.420964][ T4389] do_el0_svc+0x58/0x14c [ 42.421980][ T4389] el0_svc+0x7c/0x1f0 [ 42.422914][ T4389] el0t_64_sync_handler+0x84/0xe4 [ 42.424138][ T4389] el0t_64_sync+0x1a0/0x1a4 [ 42.426652][ T4391] FAULT_INJECTION: forcing a failure. [ 42.426652][ T4391] name failslab, interval 1, probability 0, space 0, times 0 [ 42.429876][ T4391] CPU: 1 PID: 4391 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.431799][ T4391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.434084][ T4391] Call trace: [ 42.434825][ T4391] dump_backtrace+0x0/0x530 [ 42.435885][ T4391] show_stack+0x2c/0x3c [ 42.436837][ T4391] dump_stack_lvl+0x108/0x170 [ 42.437855][ T4391] dump_stack+0x1c/0x58 [ 42.438247][ T4389] block nbd0: Failed to create debugfs dir for 'nbd0' [ 42.438783][ T4391] should_fail+0x3b8/0x514 [ 42.441312][ T4391] __should_failslab+0xbc/0x110 [ 42.442339][ T4391] should_failslab+0x10/0x28 [ 42.443403][ T4391] slab_pre_alloc_hook+0x64/0xe8 [ 42.444504][ T4391] kmem_cache_alloc+0x98/0x45c [ 42.445522][ T4391] new_inode_pseudo+0x110/0x200 [ 42.446606][ T4391] new_inode+0x38/0x174 [ 42.447538][ T4391] debugfs_create_dir+0xf0/0x420 [ 42.448587][ T4391] nbd_start_device+0x3bc/0xb34 [ 42.449690][ T4391] nbd_ioctl+0x420/0xc2c [ 42.450724][ T4391] blkdev_ioctl+0x3d8/0xbd0 [ 42.451775][ T4391] block_ioctl+0xa8/0x114 [ 42.452789][ T4391] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.454020][ T4391] invoke_syscall+0x98/0x2b8 [ 42.455155][ T4391] el0_svc_common+0x138/0x258 [ 42.456200][ T4391] do_el0_svc+0x58/0x14c [ 42.457126][ T4391] el0_svc+0x7c/0x1f0 [ 42.458022][ T4391] el0t_64_sync_handler+0x84/0xe4 [ 42.459115][ T4391] el0t_64_sync+0x1a0/0x1a4 [ 42.463701][ T4391] debugfs: out of free dentries, can not create directory 'nbd4' [ 42.465887][ T4393] FAULT_INJECTION: forcing a failure. executing program [ 42.465887][ T4393] name failslab, interval 1, probability 0, space 0, times 0 [ 42.468988][ T4391] block nbd4: Failed to create debugfs dir for 'nbd4' [ 42.469558][ T4393] CPU: 1 PID: 4393 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.472464][ T4393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.474701][ T4393] Call trace: [ 42.475447][ T4393] dump_backtrace+0x0/0x530 [ 42.476544][ T4393] show_stack+0x2c/0x3c [ 42.477510][ T4393] dump_stack_lvl+0x108/0x170 [ 42.478616][ T4393] dump_stack+0x1c/0x58 [ 42.479645][ T4393] should_fail+0x3b8/0x514 [ 42.480680][ T4393] __should_failslab+0xbc/0x110 [ 42.481945][ T4393] should_failslab+0x10/0x28 [ 42.483075][ T4393] slab_pre_alloc_hook+0x64/0xe8 [ 42.484305][ T4393] kmem_cache_alloc+0x98/0x45c [ 42.485371][ T4393] new_inode_pseudo+0x110/0x200 [ 42.486461][ T4393] new_inode+0x38/0x174 [ 42.487352][ T4393] debugfs_create_dir+0xf0/0x420 [ 42.488580][ T4393] nbd_start_device+0x3bc/0xb34 [ 42.489700][ T4393] nbd_ioctl+0x420/0xc2c [ 42.490679][ T4393] blkdev_ioctl+0x3d8/0xbd0 [ 42.491817][ T4393] block_ioctl+0xa8/0x114 [ 42.492863][ T4393] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.493996][ T4393] invoke_syscall+0x98/0x2b8 [ 42.495112][ T4393] el0_svc_common+0x138/0x258 [ 42.496204][ T4393] do_el0_svc+0x58/0x14c [ 42.497267][ T4393] el0_svc+0x7c/0x1f0 [ 42.498177][ T4393] el0t_64_sync_handler+0x84/0xe4 [ 42.499318][ T4393] el0t_64_sync+0x1a0/0x1a4 [ 42.501376][ T4401] block nbd1: shutting down sockets [ 42.502743][ T4393] debugfs: out of free dentries, can not create directory 'nbd3' [ 42.504692][ T4393] block nbd3: Failed to create debugfs dir for 'nbd3' [ 42.515140][ T4395] FAULT_INJECTION: forcing a failure. [ 42.515140][ T4395] name failslab, interval 1, probability 0, space 0, times 0 [ 42.518919][ T4395] CPU: 1 PID: 4395 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.520833][ T4395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.523107][ T4395] Call trace: [ 42.523812][ T4395] dump_backtrace+0x0/0x530 [ 42.524927][ T4395] show_stack+0x2c/0x3c [ 42.525926][ T4395] dump_stack_lvl+0x108/0x170 [ 42.527046][ T4395] dump_stack+0x1c/0x58 [ 42.527987][ T4395] should_fail+0x3b8/0x514 [ 42.529085][ T4395] __should_failslab+0xbc/0x110 [ 42.530182][ T4395] should_failslab+0x10/0x28 [ 42.531233][ T4395] slab_pre_alloc_hook+0x64/0xe8 [ 42.532382][ T4395] kmem_cache_alloc+0x98/0x45c [ 42.533572][ T4395] new_inode_pseudo+0x110/0x200 [ 42.534658][ T4395] new_inode+0x38/0x174 [ 42.535605][ T4395] debugfs_create_dir+0xf0/0x420 [ 42.536733][ T4395] nbd_start_device+0x3bc/0xb34 [ 42.537843][ T4395] nbd_ioctl+0x420/0xc2c [ 42.538912][ T4395] blkdev_ioctl+0x3d8/0xbd0 [ 42.539934][ T4395] block_ioctl+0xa8/0x114 [ 42.540944][ T4395] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.542079][ T4395] invoke_syscall+0x98/0x2b8 [ 42.543100][ T4395] el0_svc_common+0x138/0x258 [ 42.544243][ T4395] do_el0_svc+0x58/0x14c [ 42.545253][ T4395] el0_svc+0x7c/0x1f0 [ 42.546181][ T4395] el0t_64_sync_handler+0x84/0xe4 [ 42.547356][ T4395] el0t_64_sync+0x1a0/0x1a4 [ 42.553851][ T4395] debugfs: out of free dentries, can not create directory 'nbd2' [ 42.556066][ T4395] block nbd2: Failed to create debugfs dir for 'nbd2' executing program executing program [ 42.567468][ T4399] FAULT_INJECTION: forcing a failure. [ 42.567468][ T4399] name failslab, interval 1, probability 0, space 0, times 0 [ 42.570511][ T4399] CPU: 1 PID: 4399 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.572511][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.574932][ T4399] Call trace: [ 42.575658][ T4399] dump_backtrace+0x0/0x530 [ 42.576247][ T4410] block nbd0: shutting down sockets [ 42.576644][ T4399] show_stack+0x2c/0x3c [ 42.578758][ T4399] dump_stack_lvl+0x108/0x170 [ 42.579913][ T4399] dump_stack+0x1c/0x58 [ 42.580848][ T4399] should_fail+0x3b8/0x514 [ 42.581958][ T4399] __should_failslab+0xbc/0x110 [ 42.583153][ T4399] should_failslab+0x10/0x28 [ 42.584257][ T4399] slab_pre_alloc_hook+0x64/0xe8 [ 42.585465][ T4399] kmem_cache_alloc+0x98/0x45c [ 42.586572][ T4399] __d_alloc+0x3c/0x6a8 [ 42.587517][ T4399] d_alloc_parallel+0xb8/0x11bc [ 42.588594][ T4399] __lookup_slow+0x108/0x388 [ 42.589653][ T4399] lookup_one_len+0x178/0x28c executing program [ 42.590697][ T4399] start_creating+0x19c/0x2e0 [ 42.591812][ T4399] debugfs_create_dir+0x34/0x420 [ 42.592897][ T4399] nbd_start_device+0x3bc/0xb34 [ 42.593921][ T4399] nbd_ioctl+0x420/0xc2c [ 42.594910][ T4399] blkdev_ioctl+0x3d8/0xbd0 [ 42.595927][ T4399] block_ioctl+0xa8/0x114 [ 42.596930][ T4399] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.598066][ T4399] invoke_syscall+0x98/0x2b8 [ 42.599059][ T4399] el0_svc_common+0x138/0x258 [ 42.600084][ T4399] do_el0_svc+0x58/0x14c [ 42.601079][ T4399] el0_svc+0x7c/0x1f0 [ 42.601992][ T4399] el0t_64_sync_handler+0x84/0xe4 [ 42.603115][ T4399] el0t_64_sync+0x1a0/0x1a4 [ 42.605543][ T4399] block nbd1: Failed to create debugfs dir for 'nbd1' [ 42.605623][ T4404] FAULT_INJECTION: forcing a failure. [ 42.605623][ T4404] name failslab, interval 1, probability 0, space 0, times 0 [ 42.610277][ T4404] CPU: 0 PID: 4404 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.612298][ T4404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.614673][ T4404] Call trace: [ 42.615382][ T4404] dump_backtrace+0x0/0x530 [ 42.616402][ T4404] show_stack+0x2c/0x3c [ 42.617384][ T4404] dump_stack_lvl+0x108/0x170 [ 42.618394][ T4404] dump_stack+0x1c/0x58 [ 42.619419][ T4404] should_fail+0x3b8/0x514 [ 42.620401][ T4404] __should_failslab+0xbc/0x110 [ 42.621557][ T4404] should_failslab+0x10/0x28 [ 42.622650][ T4404] slab_pre_alloc_hook+0x64/0xe8 [ 42.623873][ T4404] kmem_cache_alloc+0x98/0x45c [ 42.624995][ T4404] new_inode_pseudo+0x110/0x200 [ 42.626161][ T4404] new_inode+0x38/0x174 [ 42.627023][ T4404] debugfs_create_dir+0xf0/0x420 [ 42.628092][ T4404] nbd_start_device+0x3bc/0xb34 [ 42.629135][ T4404] nbd_ioctl+0x420/0xc2c [ 42.630105][ T4404] blkdev_ioctl+0x3d8/0xbd0 [ 42.631057][ T4404] block_ioctl+0xa8/0x114 [ 42.631977][ T4404] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.633127][ T4404] invoke_syscall+0x98/0x2b8 [ 42.634282][ T4404] el0_svc_common+0x138/0x258 [ 42.635346][ T4404] do_el0_svc+0x58/0x14c [ 42.636324][ T4404] el0_svc+0x7c/0x1f0 [ 42.637301][ T4404] el0t_64_sync_handler+0x84/0xe4 [ 42.638395][ T4404] el0t_64_sync+0x1a0/0x1a4 [ 42.642913][ T4404] debugfs: out of free dentries, can not create directory 'nbd0' [ 42.644984][ T4404] block nbd0: Failed to create debugfs dir for 'nbd0' executing program executing program [ 42.675849][ T4407] block nbd3: shutting down sockets [ 42.680548][ T4407] FAULT_INJECTION: forcing a failure. [ 42.680548][ T4407] name failslab, interval 1, probability 0, space 0, times 0 [ 42.683605][ T4407] CPU: 0 PID: 4407 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.685551][ T4407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.687858][ T4407] Call trace: [ 42.688578][ T4407] dump_backtrace+0x0/0x530 [ 42.689652][ T4407] show_stack+0x2c/0x3c [ 42.690627][ T4407] dump_stack_lvl+0x108/0x170 [ 42.691672][ T4407] dump_stack+0x1c/0x58 [ 42.692592][ T4407] should_fail+0x3b8/0x514 [ 42.693589][ T4407] __should_failslab+0xbc/0x110 [ 42.694722][ T4407] should_failslab+0x10/0x28 [ 42.695894][ T4407] slab_pre_alloc_hook+0x64/0xe8 [ 42.696400][ T4408] block nbd4: shutting down sockets [ 42.697020][ T4407] kmem_cache_alloc+0x98/0x45c [ 42.699241][ T4407] __d_alloc+0x3c/0x6a8 [ 42.700209][ T4407] d_alloc_parallel+0xb8/0x11bc [ 42.701303][ T4407] __lookup_slow+0x108/0x388 [ 42.702497][ T4407] lookup_one_len+0x178/0x28c [ 42.703590][ T4407] start_creating+0x19c/0x2e0 [ 42.704722][ T4407] debugfs_create_dir+0x34/0x420 [ 42.705850][ T4407] nbd_start_device+0x3bc/0xb34 [ 42.706967][ T4407] nbd_ioctl+0x420/0xc2c [ 42.707847][ T4407] blkdev_ioctl+0x3d8/0xbd0 [ 42.708904][ T4407] block_ioctl+0xa8/0x114 [ 42.709911][ T4407] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.711067][ T4407] invoke_syscall+0x98/0x2b8 [ 42.712106][ T4407] el0_svc_common+0x138/0x258 [ 42.713209][ T4407] do_el0_svc+0x58/0x14c [ 42.714193][ T4407] el0_svc+0x7c/0x1f0 [ 42.715004][ T4407] el0t_64_sync_handler+0x84/0xe4 [ 42.716185][ T4407] el0t_64_sync+0x1a0/0x1a4 [ 42.718204][ T4415] block nbd2: shutting down sockets [ 42.721922][ T4407] block nbd3: Failed to create debugfs dir for 'nbd3' [ 42.723658][ T4408] FAULT_INJECTION: forcing a failure. [ 42.723658][ T4408] name failslab, interval 1, probability 0, space 0, times 0 [ 42.727597][ T4418] block nbd0: shutting down sockets [ 42.736847][ T4408] CPU: 1 PID: 4408 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.738845][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.741130][ T4408] Call trace: [ 42.741911][ T4408] dump_backtrace+0x0/0x530 [ 42.742960][ T4408] show_stack+0x2c/0x3c [ 42.743866][ T4408] dump_stack_lvl+0x108/0x170 [ 42.744962][ T4408] dump_stack+0x1c/0x58 [ 42.745907][ T4408] should_fail+0x3b8/0x514 [ 42.746946][ T4408] __should_failslab+0xbc/0x110 [ 42.748100][ T4408] should_failslab+0x10/0x28 [ 42.749225][ T4408] slab_pre_alloc_hook+0x64/0xe8 [ 42.750384][ T4408] kmem_cache_alloc+0x98/0x45c [ 42.751442][ T4408] new_inode_pseudo+0x110/0x200 [ 42.752643][ T4408] new_inode+0x38/0x174 [ 42.753543][ T4408] debugfs_create_dir+0xf0/0x420 [ 42.754646][ T4408] nbd_start_device+0x3bc/0xb34 [ 42.755737][ T4408] nbd_ioctl+0x420/0xc2c [ 42.756693][ T4408] blkdev_ioctl+0x3d8/0xbd0 [ 42.757686][ T4408] block_ioctl+0xa8/0x114 [ 42.758741][ T4408] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.759921][ T4408] invoke_syscall+0x98/0x2b8 [ 42.760959][ T4408] el0_svc_common+0x138/0x258 [ 42.761987][ T4408] do_el0_svc+0x58/0x14c [ 42.762998][ T4408] el0_svc+0x7c/0x1f0 [ 42.763881][ T4408] el0t_64_sync_handler+0x84/0xe4 [ 42.765133][ T4408] el0t_64_sync+0x1a0/0x1a4 [ 42.768478][ T4420] block nbd1: shutting down sockets [ 42.785967][ T4408] debugfs: out of free dentries, can not create directory 'nbd4' [ 42.788004][ T4412] FAULT_INJECTION: forcing a failure. [ 42.788004][ T4412] name failslab, interval 1, probability 0, space 0, times 0 [ 42.788532][ T4408] block nbd4: Failed to create debugfs dir for 'nbd4' [ 42.797704][ T4412] CPU: 0 PID: 4412 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.799625][ T4412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.801836][ T4412] Call trace: [ 42.802541][ T4412] dump_backtrace+0x0/0x530 [ 42.803584][ T4412] show_stack+0x2c/0x3c [ 42.804495][ T4412] dump_stack_lvl+0x108/0x170 [ 42.805581][ T4412] dump_stack+0x1c/0x58 [ 42.806553][ T4412] should_fail+0x3b8/0x514 [ 42.807542][ T4412] __should_failslab+0xbc/0x110 [ 42.808661][ T4412] should_failslab+0x10/0x28 [ 42.809685][ T4412] slab_pre_alloc_hook+0x64/0xe8 [ 42.810823][ T4412] kmem_cache_alloc+0x98/0x45c [ 42.811948][ T4412] new_inode_pseudo+0x110/0x200 [ 42.813020][ T4412] new_inode+0x38/0x174 [ 42.814070][ T4412] debugfs_create_dir+0xf0/0x420 [ 42.815199][ T4412] nbd_start_device+0x3bc/0xb34 [ 42.816301][ T4412] nbd_ioctl+0x420/0xc2c [ 42.817314][ T4412] blkdev_ioctl+0x3d8/0xbd0 [ 42.818354][ T4412] block_ioctl+0xa8/0x114 [ 42.819325][ T4412] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.820439][ T4412] invoke_syscall+0x98/0x2b8 [ 42.821500][ T4412] el0_svc_common+0x138/0x258 [ 42.822531][ T4412] do_el0_svc+0x58/0x14c [ 42.823489][ T4412] el0_svc+0x7c/0x1f0 [ 42.824431][ T4412] el0t_64_sync_handler+0x84/0xe4 [ 42.825652][ T4412] el0t_64_sync+0x1a0/0x1a4 [ 42.828755][ T4412] debugfs: out of free dentries, can not create directory 'nbd2' executing program [ 42.831443][ T4418] FAULT_INJECTION: forcing a failure. [ 42.831443][ T4418] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 42.833042][ T4412] block nbd2: Failed to create debugfs dir for 'nbd2' [ 42.836238][ T4418] CPU: 0 PID: 4418 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.838269][ T4418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.840604][ T4418] Call trace: [ 42.841357][ T4418] dump_backtrace+0x0/0x530 [ 42.842364][ T4418] show_stack+0x2c/0x3c [ 42.843378][ T4418] dump_stack_lvl+0x108/0x170 [ 42.844456][ T4418] dump_stack+0x1c/0x58 [ 42.845417][ T4418] should_fail+0x3b8/0x514 [ 42.846359][ T4418] __should_failslab+0xbc/0x110 [ 42.847489][ T4418] should_failslab+0x10/0x28 [ 42.848564][ T4418] slab_pre_alloc_hook+0x64/0xe8 [ 42.849695][ T4418] kmem_cache_alloc+0x98/0x45c [ 42.850812][ T4418] new_inode_pseudo+0x110/0x200 [ 42.851945][ T4418] new_inode+0x38/0x174 [ 42.852901][ T4418] debugfs_create_dir+0xf0/0x420 [ 42.854087][ T4418] nbd_start_device+0x3bc/0xb34 [ 42.855149][ T4418] nbd_ioctl+0x420/0xc2c [ 42.856150][ T4418] blkdev_ioctl+0x3d8/0xbd0 [ 42.857073][ T4418] block_ioctl+0xa8/0x114 [ 42.858069][ T4418] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.859204][ T4418] invoke_syscall+0x98/0x2b8 [ 42.860288][ T4418] el0_svc_common+0x138/0x258 [ 42.861428][ T4418] do_el0_svc+0x58/0x14c [ 42.862402][ T4418] el0_svc+0x7c/0x1f0 [ 42.863350][ T4418] el0t_64_sync_handler+0x84/0xe4 [ 42.864425][ T4418] el0t_64_sync+0x1a0/0x1a4 [ 42.867323][ T4418] debugfs: out of free dentries, can not create directory 'nbd0' [ 42.869162][ T4418] block nbd0: Failed to create debugfs dir for 'nbd0' [ 42.875387][ T4419] FAULT_INJECTION: forcing a failure. [ 42.875387][ T4419] name failslab, interval 1, probability 0, space 0, times 0 [ 42.885883][ T4419] CPU: 0 PID: 4419 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.887919][ T4419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.890171][ T4419] Call trace: [ 42.890881][ T4419] dump_backtrace+0x0/0x530 [ 42.891912][ T4419] show_stack+0x2c/0x3c [ 42.892970][ T4419] dump_stack_lvl+0x108/0x170 [ 42.894011][ T4419] dump_stack+0x1c/0x58 [ 42.895003][ T4419] should_fail+0x3b8/0x514 [ 42.896043][ T4419] __should_failslab+0xbc/0x110 [ 42.897174][ T4419] should_failslab+0x10/0x28 [ 42.898300][ T4419] slab_pre_alloc_hook+0x64/0xe8 [ 42.899387][ T4419] kmem_cache_alloc+0x98/0x45c [ 42.900494][ T4419] new_inode_pseudo+0x110/0x200 [ 42.901624][ T4419] new_inode+0x38/0x174 [ 42.902581][ T4419] debugfs_create_dir+0xf0/0x420 [ 42.903765][ T4419] nbd_start_device+0x3bc/0xb34 [ 42.904884][ T4419] nbd_ioctl+0x420/0xc2c [ 42.905889][ T4419] blkdev_ioctl+0x3d8/0xbd0 [ 42.906934][ T4419] block_ioctl+0xa8/0x114 [ 42.907907][ T4419] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.908972][ T4419] invoke_syscall+0x98/0x2b8 [ 42.910055][ T4419] el0_svc_common+0x138/0x258 [ 42.911051][ T4419] do_el0_svc+0x58/0x14c [ 42.912060][ T4419] el0_svc+0x7c/0x1f0 [ 42.913039][ T4419] el0t_64_sync_handler+0x84/0xe4 [ 42.914295][ T4419] el0t_64_sync+0x1a0/0x1a4 [ 42.917174][ T4419] debugfs: out of free dentries, can not create directory 'nbd1' executing program [ 42.919592][ T4419] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 42.927008][ T4424] block nbd3: shutting down sockets [ 42.935432][ T4423] block nbd4: shutting down sockets [ 42.938651][ T4424] FAULT_INJECTION: forcing a failure. [ 42.938651][ T4424] name failslab, interval 1, probability 0, space 0, times 0 [ 42.942062][ T4424] CPU: 0 PID: 4424 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.944089][ T4424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.946314][ T4424] Call trace: [ 42.947071][ T4424] dump_backtrace+0x0/0x530 [ 42.948160][ T4424] show_stack+0x2c/0x3c [ 42.949090][ T4424] dump_stack_lvl+0x108/0x170 [ 42.950148][ T4424] dump_stack+0x1c/0x58 [ 42.951127][ T4424] should_fail+0x3b8/0x514 [ 42.952179][ T4424] __should_failslab+0xbc/0x110 [ 42.953310][ T4424] should_failslab+0x10/0x28 executing program [ 42.954382][ T4424] slab_pre_alloc_hook+0x64/0xe8 [ 42.955423][ T4424] kmem_cache_alloc+0x98/0x45c [ 42.956520][ T4424] __d_alloc+0x3c/0x6a8 [ 42.957580][ T4424] d_alloc_parallel+0xb8/0x11bc [ 42.958714][ T4424] __lookup_slow+0x108/0x388 [ 42.959809][ T4424] lookup_one_len+0x178/0x28c [ 42.960965][ T4424] start_creating+0x19c/0x2e0 [ 42.962047][ T4424] debugfs_create_dir+0x34/0x420 [ 42.963187][ T4424] nbd_start_device+0x3bc/0xb34 [ 42.964354][ T4424] nbd_ioctl+0x420/0xc2c [ 42.965360][ T4424] blkdev_ioctl+0x3d8/0xbd0 [ 42.966441][ T4424] block_ioctl+0xa8/0x114 [ 42.967429][ T4424] __arm64_sys_ioctl+0x14c/0x1c8 [ 42.968508][ T4424] invoke_syscall+0x98/0x2b8 [ 42.969583][ T4424] el0_svc_common+0x138/0x258 [ 42.970751][ T4424] do_el0_svc+0x58/0x14c [ 42.971726][ T4424] el0_svc+0x7c/0x1f0 [ 42.972650][ T4424] el0t_64_sync_handler+0x84/0xe4 [ 42.973867][ T4424] el0t_64_sync+0x1a0/0x1a4 [ 42.976901][ T4424] block nbd3: Failed to create debugfs dir for 'nbd3' [ 42.978009][ T4423] FAULT_INJECTION: forcing a failure. [ 42.978009][ T4423] name failslab, interval 1, probability 0, space 0, times 0 [ 42.981457][ T4423] CPU: 1 PID: 4423 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 42.983344][ T4423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 42.985576][ T4423] Call trace: [ 42.986405][ T4423] dump_backtrace+0x0/0x530 [ 42.987479][ T4423] show_stack+0x2c/0x3c [ 42.988479][ T4423] dump_stack_lvl+0x108/0x170 [ 42.989555][ T4423] dump_stack+0x1c/0x58 [ 42.990574][ T4423] should_fail+0x3b8/0x514 [ 42.991560][ T4423] __should_failslab+0xbc/0x110 [ 42.992669][ T4423] should_failslab+0x10/0x28 [ 42.993774][ T4423] slab_pre_alloc_hook+0x64/0xe8 [ 42.994978][ T4423] kmem_cache_alloc+0x98/0x45c [ 42.996008][ T4423] new_inode_pseudo+0x110/0x200 [ 42.997053][ T4423] new_inode+0x38/0x174 [ 42.998036][ T4423] debugfs_create_dir+0xf0/0x420 [ 42.999198][ T4423] nbd_start_device+0x3bc/0xb34 [ 43.000290][ T4423] nbd_ioctl+0x420/0xc2c executing program [ 43.001317][ T4423] blkdev_ioctl+0x3d8/0xbd0 [ 43.002416][ T4423] block_ioctl+0xa8/0x114 [ 43.003402][ T4423] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.004514][ T4423] invoke_syscall+0x98/0x2b8 [ 43.005586][ T4423] el0_svc_common+0x138/0x258 [ 43.006662][ T4423] do_el0_svc+0x58/0x14c [ 43.007648][ T4423] el0_svc+0x7c/0x1f0 [ 43.008582][ T4423] el0t_64_sync_handler+0x84/0xe4 [ 43.009794][ T4423] el0t_64_sync+0x1a0/0x1a4 [ 43.012237][ T4423] debugfs: out of free dentries, can not create directory 'nbd4' [ 43.013947][ T4423] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 43.035926][ T4429] block nbd2: shutting down sockets [ 43.036539][ T4427] block nbd0: shutting down sockets [ 43.046751][ T4429] FAULT_INJECTION: forcing a failure. [ 43.046751][ T4429] name failslab, interval 1, probability 0, space 0, times 0 [ 43.049535][ T4429] CPU: 0 PID: 4429 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.051453][ T4429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.053713][ T4429] Call trace: [ 43.054448][ T4429] dump_backtrace+0x0/0x530 [ 43.055499][ T4429] show_stack+0x2c/0x3c [ 43.056059][ T4435] block nbd3: shutting down sockets [ 43.056535][ T4429] dump_stack_lvl+0x108/0x170 [ 43.058796][ T4429] dump_stack+0x1c/0x58 [ 43.059739][ T4429] should_fail+0x3b8/0x514 [ 43.060770][ T4429] __should_failslab+0xbc/0x110 [ 43.061908][ T4429] should_failslab+0x10/0x28 [ 43.062929][ T4429] slab_pre_alloc_hook+0x64/0xe8 [ 43.064068][ T4429] kmem_cache_alloc+0x98/0x45c [ 43.065115][ T4429] __d_alloc+0x3c/0x6a8 [ 43.066100][ T4429] d_alloc_parallel+0xb8/0x11bc [ 43.067221][ T4429] __lookup_slow+0x108/0x388 [ 43.068322][ T4429] lookup_one_len+0x178/0x28c [ 43.069471][ T4429] start_creating+0x19c/0x2e0 [ 43.070579][ T4429] debugfs_create_dir+0x34/0x420 [ 43.071732][ T4429] nbd_start_device+0x3bc/0xb34 [ 43.072825][ T4429] nbd_ioctl+0x420/0xc2c [ 43.073914][ T4429] blkdev_ioctl+0x3d8/0xbd0 [ 43.074948][ T4429] block_ioctl+0xa8/0x114 [ 43.075963][ T4429] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.077124][ T4429] invoke_syscall+0x98/0x2b8 [ 43.078236][ T4429] el0_svc_common+0x138/0x258 [ 43.079317][ T4429] do_el0_svc+0x58/0x14c [ 43.080319][ T4429] el0_svc+0x7c/0x1f0 [ 43.081230][ T4429] el0t_64_sync_handler+0x84/0xe4 [ 43.082380][ T4429] el0t_64_sync+0x1a0/0x1a4 [ 43.084736][ T4435] FAULT_INJECTION: forcing a failure. [ 43.084736][ T4435] name failslab, interval 1, probability 0, space 0, times 0 [ 43.085528][ T4431] block nbd1: shutting down sockets [ 43.087582][ T4435] CPU: 0 PID: 4435 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.090656][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.092858][ T4435] Call trace: [ 43.093620][ T4435] dump_backtrace+0x0/0x530 [ 43.094607][ T4435] show_stack+0x2c/0x3c [ 43.095562][ T4435] dump_stack_lvl+0x108/0x170 [ 43.096619][ T4435] dump_stack+0x1c/0x58 [ 43.097548][ T4435] should_fail+0x3b8/0x514 [ 43.098606][ T4435] __should_failslab+0xbc/0x110 [ 43.099749][ T4435] should_failslab+0x10/0x28 [ 43.100789][ T4435] slab_pre_alloc_hook+0x64/0xe8 [ 43.101946][ T4435] kmem_cache_alloc+0x98/0x45c [ 43.102118][ T4429] block nbd2: Failed to create debugfs dir for 'nbd2' [ 43.103046][ T4435] new_inode_pseudo+0x110/0x200 [ 43.103063][ T4435] new_inode+0x38/0x174 [ 43.103072][ T4435] debugfs_create_dir+0xf0/0x420 [ 43.103085][ T4435] nbd_start_device+0x3bc/0xb34 [ 43.108797][ T4435] nbd_ioctl+0x420/0xc2c [ 43.109788][ T4435] blkdev_ioctl+0x3d8/0xbd0 [ 43.110789][ T4435] block_ioctl+0xa8/0x114 [ 43.111730][ T4435] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.112835][ T4435] invoke_syscall+0x98/0x2b8 [ 43.113874][ T4435] el0_svc_common+0x138/0x258 [ 43.114747][ T4435] do_el0_svc+0x58/0x14c [ 43.115629][ T4435] el0_svc+0x7c/0x1f0 [ 43.116496][ T4435] el0t_64_sync_handler+0x84/0xe4 [ 43.117708][ T4435] el0t_64_sync+0x1a0/0x1a4 [ 43.118796][ T4435] debugfs: out of free dentries, can not create directory 'nbd3' [ 43.120570][ T4427] FAULT_INJECTION: forcing a failure. [ 43.120570][ T4427] name failslab, interval 1, probability 0, space 0, times 0 [ 43.123415][ T4427] CPU: 0 PID: 4427 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.125336][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.126162][ T4435] block nbd3: Failed to create debugfs dir for 'nbd3' [ 43.127628][ T4427] Call trace: [ 43.127635][ T4427] dump_backtrace+0x0/0x530 [ 43.127651][ T4427] show_stack+0x2c/0x3c [ 43.127661][ T4427] dump_stack_lvl+0x108/0x170 [ 43.127672][ T4427] dump_stack+0x1c/0x58 [ 43.127681][ T4427] should_fail+0x3b8/0x514 [ 43.127692][ T4427] __should_failslab+0xbc/0x110 [ 43.135825][ T4427] should_failslab+0x10/0x28 [ 43.136791][ T4427] slab_pre_alloc_hook+0x64/0xe8 [ 43.137898][ T4427] kmem_cache_alloc+0x98/0x45c [ 43.138960][ T4427] new_inode_pseudo+0x110/0x200 [ 43.140098][ T4427] new_inode+0x38/0x174 [ 43.141065][ T4427] debugfs_create_dir+0xf0/0x420 [ 43.142126][ T4427] nbd_start_device+0x3bc/0xb34 [ 43.143265][ T4427] nbd_ioctl+0x420/0xc2c [ 43.144277][ T4427] blkdev_ioctl+0x3d8/0xbd0 [ 43.145379][ T4427] block_ioctl+0xa8/0x114 [ 43.146402][ T4427] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.147497][ T4427] invoke_syscall+0x98/0x2b8 [ 43.148576][ T4427] el0_svc_common+0x138/0x258 [ 43.149660][ T4427] do_el0_svc+0x58/0x14c [ 43.150659][ T4427] el0_svc+0x7c/0x1f0 [ 43.151615][ T4427] el0t_64_sync_handler+0x84/0xe4 [ 43.152745][ T4427] el0t_64_sync+0x1a0/0x1a4 executing program [ 43.156408][ T4427] debugfs: out of free dentries, can not create directory 'nbd0' [ 43.176363][ T4440] block nbd4: shutting down sockets [ 43.185320][ T4427] block nbd0: Failed to create debugfs dir for 'nbd0' [ 43.185519][ T4431] FAULT_INJECTION: forcing a failure. [ 43.185519][ T4431] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 43.194325][ T4431] CPU: 1 PID: 4431 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.196278][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.198485][ T4431] Call trace: [ 43.199244][ T4431] dump_backtrace+0x0/0x530 [ 43.200213][ T4431] show_stack+0x2c/0x3c [ 43.201042][ T4431] dump_stack_lvl+0x108/0x170 [ 43.202063][ T4431] dump_stack+0x1c/0x58 [ 43.202962][ T4431] should_fail+0x3b8/0x514 [ 43.203960][ T4431] __should_failslab+0xbc/0x110 [ 43.205161][ T4431] should_failslab+0x10/0x28 [ 43.206227][ T4431] slab_pre_alloc_hook+0x64/0xe8 executing program [ 43.207306][ T4431] kmem_cache_alloc+0x98/0x45c [ 43.208353][ T4431] new_inode_pseudo+0x110/0x200 [ 43.209372][ T4431] new_inode+0x38/0x174 [ 43.210273][ T4431] debugfs_create_dir+0xf0/0x420 [ 43.211319][ T4431] nbd_start_device+0x3bc/0xb34 [ 43.212257][ T4431] nbd_ioctl+0x420/0xc2c [ 43.213197][ T4431] blkdev_ioctl+0x3d8/0xbd0 [ 43.214226][ T4431] block_ioctl+0xa8/0x114 [ 43.215249][ T4431] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.216418][ T4431] invoke_syscall+0x98/0x2b8 [ 43.217578][ T4431] el0_svc_common+0x138/0x258 [ 43.218689][ T4431] do_el0_svc+0x58/0x14c [ 43.219705][ T4431] el0_svc+0x7c/0x1f0 [ 43.220629][ T4431] el0t_64_sync_handler+0x84/0xe4 [ 43.221829][ T4431] el0t_64_sync+0x1a0/0x1a4 [ 43.223691][ T4431] debugfs: out of free dentries, can not create directory 'nbd1' [ 43.225654][ T4431] block nbd1: Failed to create debugfs dir for 'nbd1' [ 43.225651][ T4439] FAULT_INJECTION: forcing a failure. [ 43.225651][ T4439] name failslab, interval 1, probability 0, space 0, times 0 [ 43.225679][ T4439] CPU: 0 PID: 4439 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.231960][ T4439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.234286][ T4439] Call trace: [ 43.234993][ T4439] dump_backtrace+0x0/0x530 [ 43.236019][ T4439] show_stack+0x2c/0x3c [ 43.236984][ T4439] dump_stack_lvl+0x108/0x170 [ 43.238021][ T4439] dump_stack+0x1c/0x58 [ 43.239009][ T4439] should_fail+0x3b8/0x514 [ 43.239974][ T4439] __should_failslab+0xbc/0x110 [ 43.241069][ T4439] should_failslab+0x10/0x28 [ 43.242134][ T4439] slab_pre_alloc_hook+0x64/0xe8 [ 43.243248][ T4439] kmem_cache_alloc+0x98/0x45c [ 43.244354][ T4439] __d_alloc+0x3c/0x6a8 [ 43.245304][ T4439] d_alloc_parallel+0xb8/0x11bc [ 43.246438][ T4439] __lookup_slow+0x108/0x388 [ 43.247483][ T4439] lookup_one_len+0x178/0x28c [ 43.248581][ T4439] start_creating+0x19c/0x2e0 [ 43.249696][ T4439] debugfs_create_dir+0x34/0x420 [ 43.250780][ T4439] nbd_start_device+0x3bc/0xb34 [ 43.251957][ T4439] nbd_ioctl+0x420/0xc2c [ 43.252961][ T4439] blkdev_ioctl+0x3d8/0xbd0 [ 43.253995][ T4439] block_ioctl+0xa8/0x114 [ 43.254992][ T4439] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.256074][ T4439] invoke_syscall+0x98/0x2b8 [ 43.257205][ T4439] el0_svc_common+0x138/0x258 [ 43.258287][ T4439] do_el0_svc+0x58/0x14c [ 43.259295][ T4439] el0_svc+0x7c/0x1f0 [ 43.260202][ T4439] el0t_64_sync_handler+0x84/0xe4 [ 43.261333][ T4439] el0t_64_sync+0x1a0/0x1a4 [ 43.265461][ T4439] block nbd4: Failed to create debugfs dir for 'nbd4' [ 43.285689][ T4443] block nbd2: shutting down sockets executing program [ 43.288905][ T4443] FAULT_INJECTION: forcing a failure. [ 43.288905][ T4443] name failslab, interval 1, probability 0, space 0, times 0 [ 43.292809][ T4443] CPU: 0 PID: 4443 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 43.294791][ T4443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.297157][ T4443] Call trace: [ 43.297888][ T4443] dump_backtrace+0x0/0x530 [ 43.298995][ T4443] show_stack+0x2c/0x3c [ 43.300036][ T4443] dump_stack_lvl+0x108/0x170 [ 43.301127][ T4443] dump_stack+0x1c/0x58 [ 43.302154][ T4443] should_fail+0x3b8/0x514 [ 43.303247][ T4443] __should_failslab+0xbc/0x110 [ 43.304441][ T4443] should_failslab+0x10/0x28 [ 43.305591][ T4443] slab_pre_alloc_hook+0x64/0xe8 [ 43.306712][ T4443] kmem_cache_alloc+0x98/0x45c [ 43.307923][ T4443] __d_alloc+0x3c/0x6a8 [ 43.308946][ T4443] d_alloc_parallel+0xb8/0x11bc [ 43.310153][ T4443] __lookup_slow+0x108/0x388 [ 43.311227][ T4443] lookup_one_len+0x178/0x28c [ 43.312434][ T4443] start_creating+0x19c/0x2e0 [ 43.313461][ T4443] debugfs_create_dir+0x34/0x420 [ 43.314580][ T4443] nbd_start_device+0x3bc/0xb34 [ 43.315802][ T4443] nbd_ioctl+0x420/0xc2c [ 43.316810][ T4443] blkdev_ioctl+0x3d8/0xbd0 [ 43.317823][ T4443] block_ioctl+0xa8/0x114 [ 43.318844][ T4443] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.319958][ T4443] invoke_syscall+0x98/0x2b8 [ 43.321058][ T4443] el0_svc_common+0x138/0x258 [ 43.322117][ T4443] do_el0_svc+0x58/0x14c [ 43.323072][ T4443] el0_svc+0x7c/0x1f0 [ 43.324058][ T4443] el0t_64_sync_handler+0x84/0xe4 [ 43.325235][ T4443] el0t_64_sync+0x1a0/0x1a4 [ 43.327508][ T4443] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 43.356339][ T4449] block nbd3: shutting down sockets [ 43.356514][ T4450] block nbd0: shutting down sockets [ 43.366645][ T4447] FAULT_INJECTION: forcing a failure. [ 43.366645][ T4447] name failslab, interval 1, probability 0, space 0, times 0 [ 43.369902][ T4447] CPU: 1 PID: 4447 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.371871][ T4447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.374151][ T4447] Call trace: [ 43.374855][ T4447] dump_backtrace+0x0/0x530 [ 43.375935][ T4447] show_stack+0x2c/0x3c [ 43.376924][ T4447] dump_stack_lvl+0x108/0x170 [ 43.378015][ T4447] dump_stack+0x1c/0x58 [ 43.378978][ T4447] should_fail+0x3b8/0x514 [ 43.380074][ T4447] __should_failslab+0xbc/0x110 [ 43.381339][ T4447] should_failslab+0x10/0x28 [ 43.382433][ T4447] slab_pre_alloc_hook+0x64/0xe8 [ 43.383649][ T4447] kmem_cache_alloc+0x98/0x45c [ 43.384762][ T4447] __d_alloc+0x3c/0x6a8 [ 43.385756][ T4447] d_alloc_parallel+0xb8/0x11bc [ 43.386898][ T4447] __lookup_slow+0x108/0x388 [ 43.387908][ T4447] lookup_one_len+0x178/0x28c [ 43.388984][ T4447] start_creating+0x19c/0x2e0 [ 43.390092][ T4447] debugfs_create_dir+0x34/0x420 [ 43.391253][ T4447] nbd_start_device+0x3bc/0xb34 [ 43.392499][ T4447] nbd_ioctl+0x420/0xc2c [ 43.393495][ T4447] blkdev_ioctl+0x3d8/0xbd0 [ 43.394487][ T4447] block_ioctl+0xa8/0x114 [ 43.395494][ T4447] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.396609][ T4447] invoke_syscall+0x98/0x2b8 [ 43.397676][ T4447] el0_svc_common+0x138/0x258 [ 43.398691][ T4447] do_el0_svc+0x58/0x14c [ 43.399662][ T4447] el0_svc+0x7c/0x1f0 [ 43.400504][ T4447] el0t_64_sync_handler+0x84/0xe4 [ 43.401666][ T4447] el0t_64_sync+0x1a0/0x1a4 [ 43.403290][ T4447] block nbd0: Failed to create debugfs dir for 'nbd0' [ 43.410133][ T4446] FAULT_INJECTION: forcing a failure. [ 43.410133][ T4446] name failslab, interval 1, probability 0, space 0, times 0 [ 43.412927][ T4446] CPU: 0 PID: 4446 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.414903][ T4446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.417190][ T4446] Call trace: [ 43.417957][ T4446] dump_backtrace+0x0/0x530 [ 43.418957][ T4446] show_stack+0x2c/0x3c [ 43.419918][ T4446] dump_stack_lvl+0x108/0x170 [ 43.420977][ T4446] dump_stack+0x1c/0x58 [ 43.421932][ T4446] should_fail+0x3b8/0x514 [ 43.422903][ T4446] __should_failslab+0xbc/0x110 [ 43.423955][ T4446] should_failslab+0x10/0x28 [ 43.425008][ T4446] slab_pre_alloc_hook+0x64/0xe8 [ 43.425457][ T4458] block nbd1: shutting down sockets [ 43.426190][ T4446] kmem_cache_alloc+0x98/0x45c [ 43.426206][ T4446] new_inode_pseudo+0x110/0x200 [ 43.426216][ T4446] new_inode+0x38/0x174 [ 43.430597][ T4446] debugfs_create_dir+0xf0/0x420 [ 43.431758][ T4446] nbd_start_device+0x3bc/0xb34 [ 43.432909][ T4446] nbd_ioctl+0x420/0xc2c [ 43.433926][ T4446] blkdev_ioctl+0x3d8/0xbd0 [ 43.435037][ T4446] block_ioctl+0xa8/0x114 [ 43.436047][ T4446] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.437202][ T4446] invoke_syscall+0x98/0x2b8 [ 43.438221][ T4446] el0_svc_common+0x138/0x258 [ 43.439272][ T4446] do_el0_svc+0x58/0x14c executing program [ 43.440223][ T4446] el0_svc+0x7c/0x1f0 [ 43.441148][ T4446] el0t_64_sync_handler+0x84/0xe4 [ 43.442301][ T4446] el0t_64_sync+0x1a0/0x1a4 [ 43.444236][ T4446] debugfs: out of free dentries, can not create directory 'nbd3' [ 43.446452][ T4454] FAULT_INJECTION: forcing a failure. [ 43.446452][ T4454] name failslab, interval 1, probability 0, space 0, times 0 [ 43.447092][ T4446] block nbd3: Failed to create debugfs dir for 'nbd3' [ 43.449697][ T4454] CPU: 1 PID: 4454 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.452881][ T4454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.455319][ T4454] Call trace: [ 43.456073][ T4454] dump_backtrace+0x0/0x530 [ 43.456309][ T4457] block nbd4: shutting down sockets [ 43.457053][ T4454] show_stack+0x2c/0x3c [ 43.459191][ T4454] dump_stack_lvl+0x108/0x170 [ 43.460341][ T4454] dump_stack+0x1c/0x58 [ 43.461366][ T4454] should_fail+0x3b8/0x514 [ 43.462386][ T4454] __should_failslab+0xbc/0x110 [ 43.463568][ T4454] should_failslab+0x10/0x28 [ 43.464700][ T4454] slab_pre_alloc_hook+0x64/0xe8 [ 43.465825][ T4454] kmem_cache_alloc+0x98/0x45c [ 43.466262][ T4461] block nbd2: shutting down sockets [ 43.466900][ T4454] __d_alloc+0x3c/0x6a8 [ 43.469117][ T4454] d_alloc_parallel+0xb8/0x11bc [ 43.470222][ T4454] __lookup_slow+0x108/0x388 [ 43.471330][ T4454] lookup_one_len+0x178/0x28c [ 43.472403][ T4454] start_creating+0x19c/0x2e0 [ 43.473408][ T4454] debugfs_create_dir+0x34/0x420 [ 43.474568][ T4454] nbd_start_device+0x3bc/0xb34 [ 43.475730][ T4454] nbd_ioctl+0x420/0xc2c [ 43.476755][ T4454] blkdev_ioctl+0x3d8/0xbd0 [ 43.477768][ T4454] block_ioctl+0xa8/0x114 [ 43.478737][ T4454] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.480074][ T4454] invoke_syscall+0x98/0x2b8 [ 43.481220][ T4454] el0_svc_common+0x138/0x258 [ 43.482327][ T4454] do_el0_svc+0x58/0x14c [ 43.483273][ T4454] el0_svc+0x7c/0x1f0 [ 43.484238][ T4454] el0t_64_sync_handler+0x84/0xe4 [ 43.485391][ T4454] el0t_64_sync+0x1a0/0x1a4 [ 43.487316][ T4456] FAULT_INJECTION: forcing a failure. [ 43.487316][ T4456] name failslab, interval 1, probability 0, space 0, times 0 [ 43.490667][ T4456] CPU: 1 PID: 4456 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.492667][ T4456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.494894][ T4456] Call trace: [ 43.495659][ T4456] dump_backtrace+0x0/0x530 [ 43.496733][ T4456] show_stack+0x2c/0x3c [ 43.497738][ T4456] dump_stack_lvl+0x108/0x170 [ 43.498829][ T4456] dump_stack+0x1c/0x58 [ 43.499744][ T4456] should_fail+0x3b8/0x514 [ 43.500775][ T4456] __should_failslab+0xbc/0x110 [ 43.501944][ T4456] should_failslab+0x10/0x28 [ 43.502960][ T4456] slab_pre_alloc_hook+0x64/0xe8 [ 43.504068][ T4456] kmem_cache_alloc+0x98/0x45c [ 43.505179][ T4456] new_inode_pseudo+0x110/0x200 [ 43.505657][ T4454] block nbd1: Failed to create debugfs dir for 'nbd1' [ 43.506294][ T4456] new_inode+0x38/0x174 [ 43.508757][ T4456] debugfs_create_dir+0xf0/0x420 [ 43.509868][ T4456] nbd_start_device+0x3bc/0xb34 [ 43.511013][ T4456] nbd_ioctl+0x420/0xc2c [ 43.511961][ T4456] blkdev_ioctl+0x3d8/0xbd0 [ 43.513006][ T4456] block_ioctl+0xa8/0x114 [ 43.514022][ T4456] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.515259][ T4456] invoke_syscall+0x98/0x2b8 [ 43.516338][ T4456] el0_svc_common+0x138/0x258 [ 43.517435][ T4456] do_el0_svc+0x58/0x14c [ 43.518385][ T4456] el0_svc+0x7c/0x1f0 [ 43.519272][ T4456] el0t_64_sync_handler+0x84/0xe4 [ 43.520475][ T4456] el0t_64_sync+0x1a0/0x1a4 [ 43.523044][ T4456] debugfs: out of free dentries, can not create directory 'nbd2' [ 43.525172][ T4452] FAULT_INJECTION: forcing a failure. [ 43.525172][ T4452] name failslab, interval 1, probability 0, space 0, times 0 [ 43.528470][ T4452] CPU: 0 PID: 4452 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.530440][ T4452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.532661][ T4452] Call trace: [ 43.533364][ T4452] dump_backtrace+0x0/0x530 [ 43.534367][ T4452] show_stack+0x2c/0x3c [ 43.535322][ T4452] dump_stack_lvl+0x108/0x170 [ 43.536464][ T4452] dump_stack+0x1c/0x58 executing program [ 43.537302][ T4452] should_fail+0x3b8/0x514 [ 43.538272][ T4452] __should_failslab+0xbc/0x110 [ 43.539387][ T4452] should_failslab+0x10/0x28 [ 43.540566][ T4452] slab_pre_alloc_hook+0x64/0xe8 [ 43.541722][ T4452] kmem_cache_alloc+0x98/0x45c [ 43.542849][ T4452] __d_alloc+0x3c/0x6a8 [ 43.543913][ T4452] d_alloc_parallel+0xb8/0x11bc [ 43.544517][ T4456] block nbd2: Failed to create debugfs dir for 'nbd2' [ 43.545040][ T4452] __lookup_slow+0x108/0x388 [ 43.545058][ T4452] lookup_one_len+0x178/0x28c [ 43.545070][ T4452] start_creating+0x19c/0x2e0 [ 43.545081][ T4452] debugfs_create_dir+0x34/0x420 [ 43.545092][ T4452] nbd_start_device+0x3bc/0xb34 [ 43.552254][ T4452] nbd_ioctl+0x420/0xc2c [ 43.553280][ T4452] blkdev_ioctl+0x3d8/0xbd0 [ 43.554331][ T4452] block_ioctl+0xa8/0x114 [ 43.555398][ T4452] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.556557][ T4452] invoke_syscall+0x98/0x2b8 [ 43.557679][ T4452] el0_svc_common+0x138/0x258 [ 43.558747][ T4452] do_el0_svc+0x58/0x14c [ 43.559809][ T4452] el0_svc+0x7c/0x1f0 [ 43.560775][ T4452] el0t_64_sync_handler+0x84/0xe4 [ 43.561940][ T4452] el0t_64_sync+0x1a0/0x1a4 executing program [ 43.566085][ T4452] block nbd4: Failed to create debugfs dir for 'nbd4' executing program executing program [ 43.596634][ T4462] block nbd0: shutting down sockets [ 43.609513][ T4460] FAULT_INJECTION: forcing a failure. [ 43.609513][ T4460] name failslab, interval 1, probability 0, space 0, times 0 [ 43.612732][ T4460] CPU: 1 PID: 4460 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.614722][ T4460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.617107][ T4460] Call trace: [ 43.617819][ T4460] dump_backtrace+0x0/0x530 [ 43.618852][ T4460] show_stack+0x2c/0x3c [ 43.619863][ T4460] dump_stack_lvl+0x108/0x170 [ 43.620887][ T4460] dump_stack+0x1c/0x58 [ 43.621850][ T4460] should_fail+0x3b8/0x514 [ 43.622847][ T4460] __should_failslab+0xbc/0x110 [ 43.623972][ T4460] should_failslab+0x10/0x28 [ 43.625019][ T4460] slab_pre_alloc_hook+0x64/0xe8 [ 43.626225][ T4460] kmem_cache_alloc+0x98/0x45c [ 43.627293][ T4460] __d_alloc+0x3c/0x6a8 [ 43.628302][ T4460] d_alloc_parallel+0xb8/0x11bc [ 43.629420][ T4460] __lookup_slow+0x108/0x388 [ 43.630508][ T4460] lookup_one_len+0x178/0x28c [ 43.631618][ T4460] start_creating+0x19c/0x2e0 [ 43.632723][ T4460] debugfs_create_dir+0x34/0x420 [ 43.633907][ T4460] nbd_start_device+0x3bc/0xb34 [ 43.635041][ T4460] nbd_ioctl+0x420/0xc2c [ 43.635988][ T4460] blkdev_ioctl+0x3d8/0xbd0 [ 43.637018][ T4460] block_ioctl+0xa8/0x114 [ 43.638089][ T4460] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.639231][ T4460] invoke_syscall+0x98/0x2b8 [ 43.640301][ T4460] el0_svc_common+0x138/0x258 [ 43.641366][ T4460] do_el0_svc+0x58/0x14c [ 43.642293][ T4460] el0_svc+0x7c/0x1f0 [ 43.643325][ T4460] el0t_64_sync_handler+0x84/0xe4 [ 43.644509][ T4460] el0t_64_sync+0x1a0/0x1a4 [ 43.645865][ T4460] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 43.665115][ T4473] block nbd4: shutting down sockets [ 43.685644][ T4472] block nbd1: shutting down sockets [ 43.685704][ T4471] block nbd3: shutting down sockets [ 43.686943][ T4474] block nbd2: shutting down sockets [ 43.700079][ T4464] FAULT_INJECTION: forcing a failure. [ 43.700079][ T4464] name failslab, interval 1, probability 0, space 0, times 0 [ 43.703769][ T4464] CPU: 1 PID: 4464 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.705735][ T4464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.708058][ T4464] Call trace: [ 43.708881][ T4464] dump_backtrace+0x0/0x530 [ 43.709924][ T4464] show_stack+0x2c/0x3c [ 43.710888][ T4464] dump_stack_lvl+0x108/0x170 [ 43.711937][ T4464] dump_stack+0x1c/0x58 [ 43.712926][ T4464] should_fail+0x3b8/0x514 [ 43.713861][ T4464] __should_failslab+0xbc/0x110 [ 43.714894][ T4464] should_failslab+0x10/0x28 [ 43.715926][ T4464] slab_pre_alloc_hook+0x64/0xe8 [ 43.717099][ T4464] kmem_cache_alloc+0x98/0x45c [ 43.718054][ T4464] __d_alloc+0x3c/0x6a8 [ 43.719002][ T4464] d_alloc_parallel+0xb8/0x11bc [ 43.720230][ T4464] __lookup_slow+0x108/0x388 [ 43.721318][ T4464] lookup_one_len+0x178/0x28c [ 43.722443][ T4464] start_creating+0x19c/0x2e0 [ 43.723552][ T4464] debugfs_create_dir+0x34/0x420 [ 43.724668][ T4464] nbd_start_device+0x3bc/0xb34 [ 43.725748][ T4464] nbd_ioctl+0x420/0xc2c [ 43.726679][ T4464] blkdev_ioctl+0x3d8/0xbd0 [ 43.727569][ T4464] block_ioctl+0xa8/0x114 [ 43.728610][ T4464] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.729751][ T4464] invoke_syscall+0x98/0x2b8 [ 43.730831][ T4464] el0_svc_common+0x138/0x258 [ 43.731921][ T4464] do_el0_svc+0x58/0x14c [ 43.732954][ T4464] el0_svc+0x7c/0x1f0 [ 43.733836][ T4464] el0t_64_sync_handler+0x84/0xe4 [ 43.734933][ T4464] el0t_64_sync+0x1a0/0x1a4 [ 43.736294][ T4464] block nbd3: Failed to create debugfs dir for 'nbd3' [ 43.739180][ T4466] FAULT_INJECTION: forcing a failure. [ 43.739180][ T4466] name failslab, interval 1, probability 0, space 0, times 0 [ 43.742272][ T4466] CPU: 0 PID: 4466 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.744151][ T4466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.746553][ T4466] Call trace: [ 43.747294][ T4466] dump_backtrace+0x0/0x530 [ 43.748384][ T4466] show_stack+0x2c/0x3c [ 43.749385][ T4466] dump_stack_lvl+0x108/0x170 [ 43.750429][ T4466] dump_stack+0x1c/0x58 [ 43.751389][ T4466] should_fail+0x3b8/0x514 [ 43.752379][ T4466] __should_failslab+0xbc/0x110 [ 43.753482][ T4466] should_failslab+0x10/0x28 [ 43.754493][ T4466] slab_pre_alloc_hook+0x64/0xe8 [ 43.755616][ T4466] kmem_cache_alloc+0x98/0x45c [ 43.756690][ T4466] new_inode_pseudo+0x110/0x200 [ 43.757800][ T4466] new_inode+0x38/0x174 [ 43.758862][ T4466] debugfs_create_dir+0xf0/0x420 [ 43.760022][ T4466] nbd_start_device+0x3bc/0xb34 [ 43.761139][ T4466] nbd_ioctl+0x420/0xc2c [ 43.762143][ T4466] blkdev_ioctl+0x3d8/0xbd0 [ 43.763073][ T4466] block_ioctl+0xa8/0x114 [ 43.764012][ T4466] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.765215][ T4466] invoke_syscall+0x98/0x2b8 [ 43.766225][ T4466] el0_svc_common+0x138/0x258 [ 43.767219][ T4466] do_el0_svc+0x58/0x14c [ 43.768218][ T4466] el0_svc+0x7c/0x1f0 [ 43.769069][ T4466] el0t_64_sync_handler+0x84/0xe4 [ 43.770213][ T4466] el0t_64_sync+0x1a0/0x1a4 executing program [ 43.776298][ T4466] debugfs: out of free dentries, can not create directory 'nbd1' [ 43.778928][ T4466] block nbd1: Failed to create debugfs dir for 'nbd1' [ 43.778960][ T4470] FAULT_INJECTION: forcing a failure. [ 43.778960][ T4470] name failslab, interval 1, probability 0, space 0, times 0 [ 43.786758][ T4470] CPU: 0 PID: 4470 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.788701][ T4470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.790943][ T4470] Call trace: [ 43.791656][ T4470] dump_backtrace+0x0/0x530 [ 43.792653][ T4470] show_stack+0x2c/0x3c [ 43.793604][ T4470] dump_stack_lvl+0x108/0x170 executing program [ 43.794615][ T4470] dump_stack+0x1c/0x58 [ 43.795583][ T4470] should_fail+0x3b8/0x514 [ 43.796587][ T4470] __should_failslab+0xbc/0x110 [ 43.797658][ T4470] should_failslab+0x10/0x28 [ 43.798700][ T4470] slab_pre_alloc_hook+0x64/0xe8 [ 43.799905][ T4470] kmem_cache_alloc+0x98/0x45c [ 43.801151][ T4470] new_inode_pseudo+0x110/0x200 [ 43.802320][ T4470] new_inode+0x38/0x174 [ 43.803281][ T4470] debugfs_create_dir+0xf0/0x420 [ 43.804478][ T4470] nbd_start_device+0x3bc/0xb34 [ 43.805663][ T4470] nbd_ioctl+0x420/0xc2c [ 43.806633][ T4470] blkdev_ioctl+0x3d8/0xbd0 [ 43.807771][ T4470] block_ioctl+0xa8/0x114 [ 43.808804][ T4470] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.809997][ T4470] invoke_syscall+0x98/0x2b8 [ 43.811052][ T4470] el0_svc_common+0x138/0x258 [ 43.812109][ T4470] do_el0_svc+0x58/0x14c [ 43.813081][ T4470] el0_svc+0x7c/0x1f0 [ 43.814108][ T4470] el0t_64_sync_handler+0x84/0xe4 [ 43.815232][ T4470] el0t_64_sync+0x1a0/0x1a4 [ 43.817285][ T4470] debugfs: out of free dentries, can not create directory 'nbd4' [ 43.819064][ T4468] FAULT_INJECTION: forcing a failure. [ 43.819064][ T4468] name failslab, interval 1, probability 0, space 0, times 0 [ 43.819668][ T4470] block nbd4: Failed to create debugfs dir for 'nbd4' [ 43.821786][ T4468] CPU: 0 PID: 4468 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.821804][ T4468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.821812][ T4468] Call trace: [ 43.821816][ T4468] dump_backtrace+0x0/0x530 [ 43.821830][ T4468] show_stack+0x2c/0x3c [ 43.821841][ T4468] dump_stack_lvl+0x108/0x170 [ 43.831481][ T4468] dump_stack+0x1c/0x58 [ 43.832505][ T4468] should_fail+0x3b8/0x514 [ 43.833561][ T4468] __should_failslab+0xbc/0x110 [ 43.834679][ T4468] should_failslab+0x10/0x28 [ 43.835699][ T4468] slab_pre_alloc_hook+0x64/0xe8 [ 43.836870][ T4468] kmem_cache_alloc+0x98/0x45c [ 43.838019][ T4468] __d_alloc+0x3c/0x6a8 [ 43.838910][ T4468] d_alloc_parallel+0xb8/0x11bc [ 43.840099][ T4468] __lookup_slow+0x108/0x388 [ 43.841134][ T4468] lookup_one_len+0x178/0x28c [ 43.842233][ T4468] start_creating+0x19c/0x2e0 [ 43.843363][ T4468] debugfs_create_dir+0x34/0x420 [ 43.844536][ T4468] nbd_start_device+0x3bc/0xb34 [ 43.845710][ T4468] nbd_ioctl+0x420/0xc2c [ 43.846702][ T4468] blkdev_ioctl+0x3d8/0xbd0 [ 43.847787][ T4468] block_ioctl+0xa8/0x114 executing program [ 43.848775][ T4468] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.849943][ T4468] invoke_syscall+0x98/0x2b8 [ 43.851020][ T4468] el0_svc_common+0x138/0x258 [ 43.852084][ T4468] do_el0_svc+0x58/0x14c [ 43.853074][ T4468] el0_svc+0x7c/0x1f0 [ 43.854002][ T4468] el0t_64_sync_handler+0x84/0xe4 [ 43.855149][ T4468] el0t_64_sync+0x1a0/0x1a4 [ 43.857420][ T4478] block nbd0: shutting down sockets [ 43.859768][ T4468] block nbd2: Failed to create debugfs dir for 'nbd2' [ 43.868398][ T4485] FAULT_INJECTION: forcing a failure. [ 43.868398][ T4485] name failslab, interval 1, probability 0, space 0, times 0 [ 43.871173][ T4485] CPU: 0 PID: 4485 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.872972][ T4485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.875310][ T4485] Call trace: [ 43.876011][ T4485] dump_backtrace+0x0/0x530 [ 43.877131][ T4485] show_stack+0x2c/0x3c [ 43.878102][ T4485] dump_stack_lvl+0x108/0x170 [ 43.879114][ T4485] dump_stack+0x1c/0x58 [ 43.880094][ T4485] should_fail+0x3b8/0x514 [ 43.881066][ T4485] __should_failslab+0xbc/0x110 [ 43.882154][ T4485] should_failslab+0x10/0x28 [ 43.883229][ T4485] slab_pre_alloc_hook+0x64/0xe8 [ 43.884386][ T4485] kmem_cache_alloc+0x98/0x45c [ 43.885501][ T4485] new_inode_pseudo+0x110/0x200 [ 43.886635][ T4485] new_inode+0x38/0x174 [ 43.887581][ T4485] debugfs_create_dir+0xf0/0x420 executing program [ 43.888714][ T4485] nbd_start_device+0x3bc/0xb34 [ 43.889895][ T4485] nbd_ioctl+0x420/0xc2c [ 43.890933][ T4485] blkdev_ioctl+0x3d8/0xbd0 [ 43.892001][ T4485] block_ioctl+0xa8/0x114 [ 43.893083][ T4485] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.894287][ T4485] invoke_syscall+0x98/0x2b8 [ 43.895330][ T4485] el0_svc_common+0x138/0x258 [ 43.896482][ T4485] do_el0_svc+0x58/0x14c [ 43.897553][ T4485] el0_svc+0x7c/0x1f0 [ 43.898554][ T4485] el0t_64_sync_handler+0x84/0xe4 [ 43.899736][ T4485] el0t_64_sync+0x1a0/0x1a4 [ 43.903141][ T4485] debugfs: out of free dentries, can not create directory 'nbd0' [ 43.905263][ T4485] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 43.926857][ T4481] block nbd1: shutting down sockets [ 43.931239][ T4481] FAULT_INJECTION: forcing a failure. [ 43.931239][ T4481] name failslab, interval 1, probability 0, space 0, times 0 [ 43.934211][ T4481] CPU: 1 PID: 4481 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.936185][ T4481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.938560][ T4481] Call trace: [ 43.939308][ T4481] dump_backtrace+0x0/0x530 [ 43.940348][ T4481] show_stack+0x2c/0x3c [ 43.941288][ T4481] dump_stack_lvl+0x108/0x170 [ 43.942397][ T4481] dump_stack+0x1c/0x58 [ 43.943497][ T4481] should_fail+0x3b8/0x514 [ 43.944446][ T4481] __should_failslab+0xbc/0x110 [ 43.945531][ T4481] should_failslab+0x10/0x28 [ 43.946535][ T4479] block nbd3: shutting down sockets [ 43.946691][ T4481] slab_pre_alloc_hook+0x64/0xe8 [ 43.948958][ T4481] kmem_cache_alloc+0x98/0x45c [ 43.950152][ T4481] __d_alloc+0x3c/0x6a8 [ 43.951142][ T4481] d_alloc_parallel+0xb8/0x11bc [ 43.952162][ T4481] __lookup_slow+0x108/0x388 [ 43.953246][ T4481] lookup_one_len+0x178/0x28c [ 43.954292][ T4481] start_creating+0x19c/0x2e0 [ 43.955303][ T4481] debugfs_create_dir+0x34/0x420 [ 43.956437][ T4481] nbd_start_device+0x3bc/0xb34 [ 43.957053][ T4484] block nbd4: shutting down sockets [ 43.957534][ T4481] nbd_ioctl+0x420/0xc2c [ 43.959672][ T4481] blkdev_ioctl+0x3d8/0xbd0 [ 43.960723][ T4481] block_ioctl+0xa8/0x114 [ 43.961704][ T4481] __arm64_sys_ioctl+0x14c/0x1c8 [ 43.962861][ T4481] invoke_syscall+0x98/0x2b8 [ 43.963891][ T4481] el0_svc_common+0x138/0x258 [ 43.965064][ T4481] do_el0_svc+0x58/0x14c [ 43.966047][ T4481] el0_svc+0x7c/0x1f0 [ 43.966946][ T4481] el0t_64_sync_handler+0x84/0xe4 [ 43.968192][ T4481] el0t_64_sync+0x1a0/0x1a4 [ 43.969871][ T4481] block nbd1: Failed to create debugfs dir for 'nbd1' [ 43.970084][ T4479] FAULT_INJECTION: forcing a failure. [ 43.970084][ T4479] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.975353][ T4479] CPU: 1 PID: 4479 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 43.977435][ T4479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 43.979822][ T4479] Call trace: [ 43.980610][ T4479] dump_backtrace+0x0/0x530 [ 43.981663][ T4479] show_stack+0x2c/0x3c [ 43.982570][ T4479] dump_stack_lvl+0x108/0x170 [ 43.983592][ T4479] dump_stack+0x1c/0x58 [ 43.984477][ T4479] should_fail+0x3b8/0x514 [ 43.985521][ T4479] should_fail_alloc_page+0x74/0xa8 [ 43.986774][ T4479] prepare_alloc_pages+0x160/0x460 [ 43.988043][ T4479] __alloc_pages+0x138/0x674 executing program [ 43.989101][ T4479] alloc_pages+0x368/0x5d4 [ 43.990155][ T4479] new_slab+0xec/0x56c [ 43.991155][ T4479] ___slab_alloc+0x6bc/0xdbc [ 43.992205][ T4479] kmem_cache_alloc+0x2d8/0x45c [ 43.992223][ T4488] block nbd2: shutting down sockets [ 43.993313][ T4479] __d_alloc+0x3c/0x6a8 [ 43.993330][ T4479] d_alloc_parallel+0xb8/0x11bc [ 43.993341][ T4479] __lookup_slow+0x108/0x388 [ 43.997711][ T4479] lookup_one_len+0x178/0x28c [ 43.998809][ T4479] start_creating+0x19c/0x2e0 [ 43.999876][ T4479] debugfs_create_dir+0x34/0x420 [ 44.000990][ T4479] nbd_start_device+0x3bc/0xb34 [ 44.002077][ T4479] nbd_ioctl+0x420/0xc2c [ 44.003105][ T4479] blkdev_ioctl+0x3d8/0xbd0 [ 44.004178][ T4479] block_ioctl+0xa8/0x114 [ 44.005185][ T4479] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.006411][ T4479] invoke_syscall+0x98/0x2b8 [ 44.007598][ T4479] el0_svc_common+0x138/0x258 [ 44.008698][ T4479] do_el0_svc+0x58/0x14c [ 44.009643][ T4479] el0_svc+0x7c/0x1f0 [ 44.010590][ T4479] el0t_64_sync_handler+0x84/0xe4 [ 44.011686][ T4479] el0t_64_sync+0x1a0/0x1a4 [ 44.013107][ T4484] FAULT_INJECTION: forcing a failure. [ 44.013107][ T4484] name failslab, interval 1, probability 0, space 0, times 0 [ 44.016089][ T4484] CPU: 1 PID: 4484 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.018135][ T4484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.020430][ T4484] Call trace: [ 44.021177][ T4484] dump_backtrace+0x0/0x530 [ 44.022325][ T4484] show_stack+0x2c/0x3c [ 44.023309][ T4484] dump_stack_lvl+0x108/0x170 [ 44.024410][ T4484] dump_stack+0x1c/0x58 [ 44.025434][ T4484] should_fail+0x3b8/0x514 [ 44.026444][ T4484] __should_failslab+0xbc/0x110 [ 44.027532][ T4484] should_failslab+0x10/0x28 [ 44.028591][ T4484] slab_pre_alloc_hook+0x64/0xe8 [ 44.029790][ T4484] kmem_cache_alloc+0x98/0x45c [ 44.030998][ T4484] new_inode_pseudo+0x110/0x200 [ 44.032165][ T4484] new_inode+0x38/0x174 [ 44.033074][ T4484] debugfs_create_dir+0xf0/0x420 [ 44.034287][ T4484] nbd_start_device+0x3bc/0xb34 [ 44.035367][ T4484] nbd_ioctl+0x420/0xc2c [ 44.036352][ T4484] blkdev_ioctl+0x3d8/0xbd0 [ 44.037349][ T4484] block_ioctl+0xa8/0x114 [ 44.038352][ T4484] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.039451][ T4484] invoke_syscall+0x98/0x2b8 [ 44.040562][ T4484] el0_svc_common+0x138/0x258 [ 44.041658][ T4484] do_el0_svc+0x58/0x14c [ 44.042641][ T4484] el0_svc+0x7c/0x1f0 [ 44.043501][ T4484] el0t_64_sync_handler+0x84/0xe4 [ 44.044616][ T4484] el0t_64_sync+0x1a0/0x1a4 [ 44.045970][ T4484] debugfs: out of free dentries, can not create directory 'nbd4' [ 44.048021][ T4488] FAULT_INJECTION: forcing a failure. [ 44.048021][ T4488] name failslab, interval 1, probability 0, space 0, times 0 [ 44.051369][ T4488] CPU: 1 PID: 4488 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.051457][ T4484] block nbd4: Failed to create debugfs dir for 'nbd4' [ 44.053287][ T4488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.053299][ T4488] Call trace: [ 44.053303][ T4488] dump_backtrace+0x0/0x530 [ 44.053319][ T4488] show_stack+0x2c/0x3c [ 44.053329][ T4488] dump_stack_lvl+0x108/0x170 [ 44.061002][ T4488] dump_stack+0x1c/0x58 [ 44.061983][ T4488] should_fail+0x3b8/0x514 [ 44.063042][ T4488] __should_failslab+0xbc/0x110 [ 44.064192][ T4488] should_failslab+0x10/0x28 [ 44.065270][ T4488] slab_pre_alloc_hook+0x64/0xe8 [ 44.066424][ T4488] kmem_cache_alloc+0x98/0x45c [ 44.067541][ T4488] new_inode_pseudo+0x110/0x200 [ 44.068606][ T4488] new_inode+0x38/0x174 [ 44.069550][ T4488] debugfs_create_dir+0xf0/0x420 [ 44.070697][ T4488] nbd_start_device+0x3bc/0xb34 [ 44.071786][ T4488] nbd_ioctl+0x420/0xc2c [ 44.072859][ T4488] blkdev_ioctl+0x3d8/0xbd0 [ 44.073926][ T4488] block_ioctl+0xa8/0x114 [ 44.074776][ T4488] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.075721][ T4488] invoke_syscall+0x98/0x2b8 [ 44.076697][ T4488] el0_svc_common+0x138/0x258 [ 44.077865][ T4488] do_el0_svc+0x58/0x14c [ 44.078946][ T4488] el0_svc+0x7c/0x1f0 [ 44.079872][ T4488] el0t_64_sync_handler+0x84/0xe4 [ 44.081022][ T4488] el0t_64_sync+0x1a0/0x1a4 executing program [ 44.083810][ T4488] debugfs: out of free dentries, can not create directory 'nbd2' [ 44.086106][ T4492] block nbd0: shutting down sockets [ 44.089067][ T4491] FAULT_INJECTION: forcing a failure. [ 44.089067][ T4491] name failslab, interval 1, probability 0, space 0, times 0 [ 44.091924][ T4491] CPU: 0 PID: 4491 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.093872][ T4491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.095730][ T4488] block nbd2: Failed to create debugfs dir for 'nbd2' [ 44.096163][ T4491] Call trace: [ 44.098584][ T4491] dump_backtrace+0x0/0x530 [ 44.099695][ T4491] show_stack+0x2c/0x3c [ 44.100643][ T4491] dump_stack_lvl+0x108/0x170 [ 44.101783][ T4491] dump_stack+0x1c/0x58 [ 44.102717][ T4491] should_fail+0x3b8/0x514 [ 44.103710][ T4491] __should_failslab+0xbc/0x110 [ 44.104832][ T4491] should_failslab+0x10/0x28 [ 44.105884][ T4491] slab_pre_alloc_hook+0x64/0xe8 [ 44.106986][ T4491] kmem_cache_alloc+0x98/0x45c [ 44.108068][ T4491] new_inode_pseudo+0x110/0x200 [ 44.109095][ T4491] new_inode+0x38/0x174 [ 44.110076][ T4491] debugfs_create_dir+0xf0/0x420 executing program [ 44.111175][ T4491] nbd_start_device+0x3bc/0xb34 [ 44.112296][ T4491] nbd_ioctl+0x420/0xc2c [ 44.113309][ T4491] blkdev_ioctl+0x3d8/0xbd0 [ 44.114305][ T4491] block_ioctl+0xa8/0x114 [ 44.115339][ T4491] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.116421][ T4491] invoke_syscall+0x98/0x2b8 [ 44.117487][ T4491] el0_svc_common+0x138/0x258 [ 44.118604][ T4491] do_el0_svc+0x58/0x14c [ 44.119592][ T4491] el0_svc+0x7c/0x1f0 [ 44.120481][ T4491] el0t_64_sync_handler+0x84/0xe4 [ 44.121680][ T4491] el0t_64_sync+0x1a0/0x1a4 [ 44.126361][ T4491] debugfs: out of free dentries, can not create directory 'nbd0' [ 44.126454][ T4495] block nbd1: shutting down sockets [ 44.128447][ T4491] block nbd0: Failed to create debugfs dir for 'nbd0' [ 44.147592][ T4495] FAULT_INJECTION: forcing a failure. [ 44.147592][ T4495] name failslab, interval 1, probability 0, space 0, times 0 [ 44.151020][ T4495] CPU: 0 PID: 4495 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.152965][ T4495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.155269][ T4495] Call trace: [ 44.156072][ T4495] dump_backtrace+0x0/0x530 [ 44.157093][ T4495] show_stack+0x2c/0x3c [ 44.158041][ T4495] dump_stack_lvl+0x108/0x170 [ 44.159170][ T4495] dump_stack+0x1c/0x58 [ 44.160160][ T4495] should_fail+0x3b8/0x514 [ 44.161240][ T4495] __should_failslab+0xbc/0x110 [ 44.162326][ T4495] should_failslab+0x10/0x28 [ 44.163401][ T4495] slab_pre_alloc_hook+0x64/0xe8 [ 44.164568][ T4495] kmem_cache_alloc+0x98/0x45c [ 44.165683][ T4495] new_inode_pseudo+0x110/0x200 [ 44.166825][ T4495] new_inode+0x38/0x174 [ 44.167808][ T4495] debugfs_create_dir+0xf0/0x420 [ 44.169018][ T4495] nbd_start_device+0x3bc/0xb34 [ 44.170093][ T4495] nbd_ioctl+0x420/0xc2c [ 44.171070][ T4495] blkdev_ioctl+0x3d8/0xbd0 [ 44.172094][ T4495] block_ioctl+0xa8/0x114 [ 44.173043][ T4495] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.174224][ T4495] invoke_syscall+0x98/0x2b8 [ 44.175286][ T4495] el0_svc_common+0x138/0x258 [ 44.176409][ T4495] do_el0_svc+0x58/0x14c [ 44.177465][ T4495] el0_svc+0x7c/0x1f0 [ 44.178447][ T4495] el0t_64_sync_handler+0x84/0xe4 [ 44.179557][ T4495] el0t_64_sync+0x1a0/0x1a4 executing program [ 44.183483][ T4495] debugfs: out of free dentries, can not create directory 'nbd1' [ 44.185670][ T4495] block nbd1: Failed to create debugfs dir for 'nbd1' executing program executing program [ 44.216677][ T4508] block nbd3: shutting down sockets [ 44.216909][ T4507] block nbd4: shutting down sockets [ 44.226355][ T4500] FAULT_INJECTION: forcing a failure. [ 44.226355][ T4500] name failslab, interval 1, probability 0, space 0, times 0 [ 44.229578][ T4500] CPU: 0 PID: 4500 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.231653][ T4500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.233974][ T4500] Call trace: [ 44.234724][ T4500] dump_backtrace+0x0/0x530 [ 44.235763][ T4500] show_stack+0x2c/0x3c [ 44.236613][ T4500] dump_stack_lvl+0x108/0x170 [ 44.237676][ T4500] dump_stack+0x1c/0x58 [ 44.238640][ T4500] should_fail+0x3b8/0x514 [ 44.239620][ T4500] __should_failslab+0xbc/0x110 [ 44.240692][ T4500] should_failslab+0x10/0x28 [ 44.241725][ T4500] slab_pre_alloc_hook+0x64/0xe8 [ 44.242836][ T4500] kmem_cache_alloc+0x98/0x45c [ 44.243901][ T4500] __d_alloc+0x3c/0x6a8 [ 44.244997][ T4500] d_alloc_parallel+0xb8/0x11bc [ 44.246110][ T4500] __lookup_slow+0x108/0x388 [ 44.247135][ T4500] lookup_one_len+0x178/0x28c [ 44.248223][ T4500] start_creating+0x19c/0x2e0 [ 44.249334][ T4500] debugfs_create_dir+0x34/0x420 [ 44.250412][ T4500] nbd_start_device+0x3bc/0xb34 [ 44.251576][ T4500] nbd_ioctl+0x420/0xc2c [ 44.252578][ T4500] blkdev_ioctl+0x3d8/0xbd0 [ 44.253586][ T4500] block_ioctl+0xa8/0x114 [ 44.254506][ T4500] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.255696][ T4500] invoke_syscall+0x98/0x2b8 [ 44.256710][ T4500] el0_svc_common+0x138/0x258 [ 44.257788][ T4500] do_el0_svc+0x58/0x14c [ 44.258700][ T4500] el0_svc+0x7c/0x1f0 [ 44.259600][ T4500] el0t_64_sync_handler+0x84/0xe4 [ 44.260756][ T4500] el0t_64_sync+0x1a0/0x1a4 [ 44.263262][ T4500] block nbd3: Failed to create debugfs dir for 'nbd3' [ 44.264099][ T4498] FAULT_INJECTION: forcing a failure. [ 44.264099][ T4498] name failslab, interval 1, probability 0, space 0, times 0 [ 44.271335][ T4498] CPU: 1 PID: 4498 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.273194][ T4498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.275424][ T4498] Call trace: [ 44.276192][ T4498] dump_backtrace+0x0/0x530 [ 44.277188][ T4498] show_stack+0x2c/0x3c [ 44.278121][ T4498] dump_stack_lvl+0x108/0x170 [ 44.279151][ T4498] dump_stack+0x1c/0x58 [ 44.280099][ T4498] should_fail+0x3b8/0x514 [ 44.281120][ T4498] __should_failslab+0xbc/0x110 [ 44.282187][ T4498] should_failslab+0x10/0x28 [ 44.283220][ T4498] slab_pre_alloc_hook+0x64/0xe8 [ 44.284384][ T4498] kmem_cache_alloc+0x98/0x45c [ 44.285598][ T4498] new_inode_pseudo+0x110/0x200 [ 44.286695][ T4498] new_inode+0x38/0x174 [ 44.287665][ T4498] debugfs_create_dir+0xf0/0x420 [ 44.288760][ T4498] nbd_start_device+0x3bc/0xb34 executing program [ 44.289887][ T4498] nbd_ioctl+0x420/0xc2c [ 44.290838][ T4498] blkdev_ioctl+0x3d8/0xbd0 [ 44.291820][ T4498] block_ioctl+0xa8/0x114 [ 44.292843][ T4498] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.293982][ T4498] invoke_syscall+0x98/0x2b8 [ 44.294991][ T4498] el0_svc_common+0x138/0x258 [ 44.295189][ T4509] block nbd1: shutting down sockets [ 44.296083][ T4498] do_el0_svc+0x58/0x14c [ 44.296099][ T4498] el0_svc+0x7c/0x1f0 [ 44.296111][ T4498] el0t_64_sync_handler+0x84/0xe4 [ 44.300401][ T4498] el0t_64_sync+0x1a0/0x1a4 [ 44.304674][ T4511] block nbd0: shutting down sockets [ 44.305302][ T4510] block nbd2: shutting down sockets [ 44.309099][ T4498] debugfs: out of free dentries, can not create directory 'nbd4' [ 44.311091][ T4506] FAULT_INJECTION: forcing a failure. [ 44.311091][ T4506] name failslab, interval 1, probability 0, space 0, times 0 [ 44.314132][ T4506] CPU: 0 PID: 4506 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.316157][ T4506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.318415][ T4506] Call trace: [ 44.319174][ T4506] dump_backtrace+0x0/0x530 [ 44.320273][ T4506] show_stack+0x2c/0x3c [ 44.321242][ T4506] dump_stack_lvl+0x108/0x170 [ 44.322353][ T4506] dump_stack+0x1c/0x58 [ 44.323341][ T4506] should_fail+0x3b8/0x514 [ 44.324356][ T4506] __should_failslab+0xbc/0x110 [ 44.325269][ T4498] block nbd4: Failed to create debugfs dir for 'nbd4' [ 44.325518][ T4506] should_failslab+0x10/0x28 [ 44.328187][ T4506] slab_pre_alloc_hook+0x64/0xe8 [ 44.329249][ T4506] kmem_cache_alloc+0x98/0x45c [ 44.330288][ T4506] new_inode_pseudo+0x110/0x200 [ 44.331405][ T4506] new_inode+0x38/0x174 [ 44.332342][ T4506] debugfs_create_dir+0xf0/0x420 [ 44.333375][ T4506] nbd_start_device+0x3bc/0xb34 [ 44.334424][ T4506] nbd_ioctl+0x420/0xc2c [ 44.335442][ T4506] blkdev_ioctl+0x3d8/0xbd0 [ 44.336548][ T4506] block_ioctl+0xa8/0x114 [ 44.337489][ T4506] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.338679][ T4506] invoke_syscall+0x98/0x2b8 [ 44.339662][ T4506] el0_svc_common+0x138/0x258 [ 44.340758][ T4506] do_el0_svc+0x58/0x14c [ 44.341780][ T4506] el0_svc+0x7c/0x1f0 [ 44.342623][ T4506] el0t_64_sync_handler+0x84/0xe4 [ 44.343787][ T4506] el0t_64_sync+0x1a0/0x1a4 [ 44.347225][ T4506] debugfs: out of free dentries, can not create directory 'nbd2' [ 44.349314][ T4505] FAULT_INJECTION: forcing a failure. [ 44.349314][ T4505] name failslab, interval 1, probability 0, space 0, times 0 [ 44.352418][ T4505] CPU: 0 PID: 4505 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.354486][ T4505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.356318][ T4506] block nbd2: Failed to create debugfs dir for 'nbd2' [ 44.356624][ T4505] Call trace: [ 44.356630][ T4505] dump_backtrace+0x0/0x530 [ 44.356647][ T4505] show_stack+0x2c/0x3c [ 44.360831][ T4505] dump_stack_lvl+0x108/0x170 [ 44.361978][ T4505] dump_stack+0x1c/0x58 [ 44.362945][ T4505] should_fail+0x3b8/0x514 [ 44.364054][ T4505] __should_failslab+0xbc/0x110 [ 44.365232][ T4505] should_failslab+0x10/0x28 executing program [ 44.366304][ T4505] slab_pre_alloc_hook+0x64/0xe8 [ 44.367478][ T4505] kmem_cache_alloc+0x98/0x45c [ 44.368567][ T4505] new_inode_pseudo+0x110/0x200 [ 44.369675][ T4505] new_inode+0x38/0x174 [ 44.370672][ T4505] debugfs_create_dir+0xf0/0x420 [ 44.371860][ T4505] nbd_start_device+0x3bc/0xb34 [ 44.373107][ T4505] nbd_ioctl+0x420/0xc2c [ 44.374119][ T4505] blkdev_ioctl+0x3d8/0xbd0 [ 44.375184][ T4505] block_ioctl+0xa8/0x114 [ 44.376184][ T4505] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.377292][ T4505] invoke_syscall+0x98/0x2b8 [ 44.378295][ T4505] el0_svc_common+0x138/0x258 [ 44.379376][ T4505] do_el0_svc+0x58/0x14c [ 44.380388][ T4505] el0_svc+0x7c/0x1f0 [ 44.381343][ T4505] el0t_64_sync_handler+0x84/0xe4 [ 44.382519][ T4505] el0t_64_sync+0x1a0/0x1a4 [ 44.386842][ T4505] debugfs: out of free dentries, can not create directory 'nbd1' [ 44.390374][ T4503] FAULT_INJECTION: forcing a failure. [ 44.390374][ T4503] name failslab, interval 1, probability 0, space 0, times 0 [ 44.393416][ T4505] block nbd1: Failed to create debugfs dir for 'nbd1' [ 44.394377][ T4503] CPU: 1 PID: 4503 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 44.396766][ T4503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.399097][ T4503] Call trace: [ 44.399834][ T4503] dump_backtrace+0x0/0x530 [ 44.400859][ T4503] show_stack+0x2c/0x3c [ 44.401827][ T4503] dump_stack_lvl+0x108/0x170 [ 44.402917][ T4503] dump_stack+0x1c/0x58 [ 44.403853][ T4503] should_fail+0x3b8/0x514 [ 44.404903][ T4503] __should_failslab+0xbc/0x110 [ 44.406037][ T4503] should_failslab+0x10/0x28 [ 44.407100][ T4503] slab_pre_alloc_hook+0x64/0xe8 [ 44.408284][ T4503] kmem_cache_alloc+0x98/0x45c [ 44.409412][ T4503] new_inode_pseudo+0x110/0x200 [ 44.410570][ T4503] new_inode+0x38/0x174 [ 44.411493][ T4503] debugfs_create_dir+0xf0/0x420 [ 44.412718][ T4503] nbd_start_device+0x3bc/0xb34 [ 44.413830][ T4503] nbd_ioctl+0x420/0xc2c [ 44.414824][ T4503] blkdev_ioctl+0x3d8/0xbd0 [ 44.415924][ T4503] block_ioctl+0xa8/0x114 [ 44.416970][ T4503] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.418096][ T4503] invoke_syscall+0x98/0x2b8 [ 44.419134][ T4503] el0_svc_common+0x138/0x258 [ 44.420171][ T4503] do_el0_svc+0x58/0x14c [ 44.421188][ T4503] el0_svc+0x7c/0x1f0 [ 44.422085][ T4503] el0t_64_sync_handler+0x84/0xe4 [ 44.423273][ T4503] el0t_64_sync+0x1a0/0x1a4 [ 44.426125][ T4503] debugfs: out of free dentries, can not create directory 'nbd0' [ 44.428021][ T4503] block nbd0: Failed to create debugfs dir for 'nbd0' [ 44.434793][ T4513] block nbd3: shutting down sockets executing program [ 44.452953][ T4513] FAULT_INJECTION: forcing a failure. executing program [ 44.452953][ T4513] name failslab, interval 1, probability 0, space 0, times 0 [ 44.456259][ T4513] CPU: 1 PID: 4513 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.458167][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.460359][ T4513] Call trace: [ 44.461109][ T4513] dump_backtrace+0x0/0x530 [ 44.462131][ T4513] show_stack+0x2c/0x3c [ 44.463125][ T4513] dump_stack_lvl+0x108/0x170 [ 44.464177][ T4513] dump_stack+0x1c/0x58 [ 44.465071][ T4513] should_fail+0x3b8/0x514 [ 44.466011][ T4513] __should_failslab+0xbc/0x110 [ 44.467099][ T4513] should_failslab+0x10/0x28 [ 44.468091][ T4513] slab_pre_alloc_hook+0x64/0xe8 [ 44.469223][ T4513] kmem_cache_alloc+0x98/0x45c [ 44.470323][ T4513] __d_alloc+0x3c/0x6a8 [ 44.471307][ T4513] d_alloc_parallel+0xb8/0x11bc [ 44.472433][ T4513] __lookup_slow+0x108/0x388 [ 44.473442][ T4513] lookup_one_len+0x178/0x28c [ 44.474481][ T4513] start_creating+0x19c/0x2e0 [ 44.475512][ T4513] debugfs_create_dir+0x34/0x420 [ 44.476628][ T4513] nbd_start_device+0x3bc/0xb34 [ 44.477693][ T4513] nbd_ioctl+0x420/0xc2c [ 44.478717][ T4513] blkdev_ioctl+0x3d8/0xbd0 [ 44.479743][ T4513] block_ioctl+0xa8/0x114 [ 44.480774][ T4513] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.481926][ T4513] invoke_syscall+0x98/0x2b8 [ 44.482909][ T4513] el0_svc_common+0x138/0x258 [ 44.483963][ T4513] do_el0_svc+0x58/0x14c [ 44.484870][ T4513] el0_svc+0x7c/0x1f0 [ 44.485771][ T4513] el0t_64_sync_handler+0x84/0xe4 [ 44.486888][ T4513] el0t_64_sync+0x1a0/0x1a4 [ 44.488861][ T4513] block nbd3: Failed to create debugfs dir for 'nbd3' executing program [ 44.495567][ T4519] block nbd4: shutting down sockets [ 44.505455][ T4518] block nbd2: shutting down sockets [ 44.507280][ T4516] FAULT_INJECTION: forcing a failure. [ 44.507280][ T4516] name failslab, interval 1, probability 0, space 0, times 0 [ 44.510189][ T4516] CPU: 1 PID: 4516 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.512091][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.514337][ T4516] Call trace: [ 44.515139][ T4516] dump_backtrace+0x0/0x530 [ 44.516184][ T4516] show_stack+0x2c/0x3c [ 44.517175][ T4516] dump_stack_lvl+0x108/0x170 [ 44.518246][ T4516] dump_stack+0x1c/0x58 [ 44.519179][ T4516] should_fail+0x3b8/0x514 [ 44.520251][ T4516] __should_failslab+0xbc/0x110 [ 44.521373][ T4516] should_failslab+0x10/0x28 [ 44.522464][ T4516] slab_pre_alloc_hook+0x64/0xe8 [ 44.523668][ T4516] kmem_cache_alloc+0x98/0x45c [ 44.524814][ T4516] __d_alloc+0x3c/0x6a8 [ 44.525775][ T4516] d_alloc_parallel+0xb8/0x11bc [ 44.526912][ T4516] __lookup_slow+0x108/0x388 [ 44.527964][ T4516] lookup_one_len+0x178/0x28c [ 44.529008][ T4516] start_creating+0x19c/0x2e0 [ 44.529997][ T4516] debugfs_create_dir+0x34/0x420 [ 44.531089][ T4516] nbd_start_device+0x3bc/0xb34 [ 44.532216][ T4516] nbd_ioctl+0x420/0xc2c [ 44.533233][ T4516] blkdev_ioctl+0x3d8/0xbd0 [ 44.534258][ T4516] block_ioctl+0xa8/0x114 [ 44.535279][ T4516] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.536461][ T4516] invoke_syscall+0x98/0x2b8 [ 44.537496][ T4516] el0_svc_common+0x138/0x258 [ 44.538570][ T4516] do_el0_svc+0x58/0x14c [ 44.539615][ T4516] el0_svc+0x7c/0x1f0 [ 44.540515][ T4516] el0t_64_sync_handler+0x84/0xe4 [ 44.541685][ T4516] el0t_64_sync+0x1a0/0x1a4 [ 44.543156][ T4516] block nbd4: Failed to create debugfs dir for 'nbd4' [ 44.544737][ T4518] FAULT_INJECTION: forcing a failure. [ 44.544737][ T4518] name failslab, interval 1, probability 0, space 0, times 0 [ 44.548961][ T4518] CPU: 0 PID: 4518 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.550881][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.553115][ T4518] Call trace: [ 44.553831][ T4518] dump_backtrace+0x0/0x530 [ 44.554898][ T4518] show_stack+0x2c/0x3c [ 44.555863][ T4518] dump_stack_lvl+0x108/0x170 [ 44.556890][ T4518] dump_stack+0x1c/0x58 [ 44.557772][ T4518] should_fail+0x3b8/0x514 [ 44.558822][ T4518] __should_failslab+0xbc/0x110 [ 44.559893][ T4518] should_failslab+0x10/0x28 [ 44.561092][ T4518] slab_pre_alloc_hook+0x64/0xe8 [ 44.562221][ T4518] kmem_cache_alloc+0x98/0x45c executing program [ 44.563359][ T4518] new_inode_pseudo+0x110/0x200 [ 44.564537][ T4518] new_inode+0x38/0x174 [ 44.565219][ T4527] block nbd0: shutting down sockets [ 44.565505][ T4518] debugfs_create_dir+0xf0/0x420 [ 44.567992][ T4518] nbd_start_device+0x3bc/0xb34 [ 44.569249][ T4518] nbd_ioctl+0x420/0xc2c [ 44.570241][ T4518] blkdev_ioctl+0x3d8/0xbd0 [ 44.571317][ T4518] block_ioctl+0xa8/0x114 [ 44.572318][ T4518] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.573498][ T4518] invoke_syscall+0x98/0x2b8 [ 44.574543][ T4518] el0_svc_common+0x138/0x258 [ 44.575613][ T4518] do_el0_svc+0x58/0x14c [ 44.576610][ T4518] el0_svc+0x7c/0x1f0 [ 44.577584][ T4518] el0t_64_sync_handler+0x84/0xe4 [ 44.578766][ T4518] el0t_64_sync+0x1a0/0x1a4 [ 44.581741][ T4518] debugfs: out of free dentries, can not create directory 'nbd2' [ 44.584242][ T4521] FAULT_INJECTION: forcing a failure. [ 44.584242][ T4521] name failslab, interval 1, probability 0, space 0, times 0 [ 44.585201][ T4518] block nbd2: Failed to create debugfs dir for 'nbd2' [ 44.588047][ T4521] CPU: 1 PID: 4521 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.591104][ T4521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.593447][ T4521] Call trace: [ 44.594240][ T4521] dump_backtrace+0x0/0x530 [ 44.595291][ T4521] show_stack+0x2c/0x3c [ 44.596302][ T4521] dump_stack_lvl+0x108/0x170 [ 44.596356][ T4526] block nbd1: shutting down sockets [ 44.597399][ T4521] dump_stack+0x1c/0x58 [ 44.599698][ T4521] should_fail+0x3b8/0x514 [ 44.600836][ T4521] __should_failslab+0xbc/0x110 [ 44.602062][ T4521] should_failslab+0x10/0x28 [ 44.603200][ T4521] slab_pre_alloc_hook+0x64/0xe8 [ 44.604367][ T4521] kmem_cache_alloc+0x98/0x45c [ 44.605478][ T4521] __d_alloc+0x3c/0x6a8 [ 44.606413][ T4521] d_alloc_parallel+0xb8/0x11bc [ 44.607612][ T4521] __lookup_slow+0x108/0x388 [ 44.608726][ T4521] lookup_one_len+0x178/0x28c [ 44.609881][ T4521] start_creating+0x19c/0x2e0 [ 44.611045][ T4521] debugfs_create_dir+0x34/0x420 [ 44.612352][ T4521] nbd_start_device+0x3bc/0xb34 [ 44.613584][ T4521] nbd_ioctl+0x420/0xc2c [ 44.614640][ T4521] blkdev_ioctl+0x3d8/0xbd0 [ 44.615771][ T4521] block_ioctl+0xa8/0x114 [ 44.616840][ T4521] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.618038][ T4521] invoke_syscall+0x98/0x2b8 [ 44.619202][ T4521] el0_svc_common+0x138/0x258 [ 44.620246][ T4521] do_el0_svc+0x58/0x14c [ 44.621395][ T4521] el0_svc+0x7c/0x1f0 [ 44.622381][ T4521] el0t_64_sync_handler+0x84/0xe4 [ 44.623576][ T4521] el0t_64_sync+0x1a0/0x1a4 [ 44.626253][ T4521] block nbd0: Failed to create debugfs dir for 'nbd0' [ 44.627342][ T4523] FAULT_INJECTION: forcing a failure. [ 44.627342][ T4523] name failslab, interval 1, probability 0, space 0, times 0 [ 44.630981][ T4523] CPU: 0 PID: 4523 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.632949][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.635239][ T4523] Call trace: [ 44.635981][ T4523] dump_backtrace+0x0/0x530 [ 44.636969][ T4523] show_stack+0x2c/0x3c [ 44.637940][ T4523] dump_stack_lvl+0x108/0x170 [ 44.639045][ T4523] dump_stack+0x1c/0x58 [ 44.639960][ T4523] should_fail+0x3b8/0x514 [ 44.640958][ T4523] __should_failslab+0xbc/0x110 [ 44.642118][ T4523] should_failslab+0x10/0x28 [ 44.643162][ T4523] slab_pre_alloc_hook+0x64/0xe8 [ 44.644295][ T4523] kmem_cache_alloc+0x98/0x45c [ 44.645354][ T4523] new_inode_pseudo+0x110/0x200 [ 44.646438][ T4523] new_inode+0x38/0x174 [ 44.647335][ T4523] debugfs_create_dir+0xf0/0x420 executing program [ 44.648495][ T4523] nbd_start_device+0x3bc/0xb34 [ 44.649570][ T4523] nbd_ioctl+0x420/0xc2c [ 44.650573][ T4523] blkdev_ioctl+0x3d8/0xbd0 [ 44.651633][ T4523] block_ioctl+0xa8/0x114 [ 44.652656][ T4523] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.653781][ T4523] invoke_syscall+0x98/0x2b8 [ 44.654767][ T4523] el0_svc_common+0x138/0x258 [ 44.655858][ T4523] do_el0_svc+0x58/0x14c [ 44.656847][ T4523] el0_svc+0x7c/0x1f0 [ 44.657843][ T4523] el0t_64_sync_handler+0x84/0xe4 [ 44.659050][ T4523] el0t_64_sync+0x1a0/0x1a4 [ 44.664274][ T4523] debugfs: out of free dentries, can not create directory 'nbd1' [ 44.667227][ T4523] block nbd1: Failed to create debugfs dir for 'nbd1' executing program executing program [ 44.695192][ T4531] block nbd3: shutting down sockets [ 44.696603][ T4529] block nbd4: shutting down sockets [ 44.706600][ T4529] FAULT_INJECTION: forcing a failure. [ 44.706600][ T4529] name failslab, interval 1, probability 0, space 0, times 0 [ 44.710176][ T4529] CPU: 1 PID: 4529 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.712139][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.714677][ T4529] Call trace: [ 44.715513][ T4529] dump_backtrace+0x0/0x530 [ 44.716691][ T4529] show_stack+0x2c/0x3c [ 44.717804][ T4529] dump_stack_lvl+0x108/0x170 [ 44.718931][ T4529] dump_stack+0x1c/0x58 [ 44.720061][ T4529] should_fail+0x3b8/0x514 [ 44.721148][ T4529] __should_failslab+0xbc/0x110 [ 44.722357][ T4529] should_failslab+0x10/0x28 [ 44.723494][ T4529] slab_pre_alloc_hook+0x64/0xe8 [ 44.724790][ T4529] kmem_cache_alloc+0x98/0x45c [ 44.725990][ T4529] __d_alloc+0x3c/0x6a8 [ 44.726986][ T4529] d_alloc_parallel+0xb8/0x11bc [ 44.728242][ T4529] __lookup_slow+0x108/0x388 [ 44.729335][ T4529] lookup_one_len+0x178/0x28c [ 44.730455][ T4529] start_creating+0x19c/0x2e0 [ 44.731635][ T4529] debugfs_create_dir+0x34/0x420 [ 44.732859][ T4529] nbd_start_device+0x3bc/0xb34 [ 44.734047][ T4529] nbd_ioctl+0x420/0xc2c [ 44.735076][ T4529] blkdev_ioctl+0x3d8/0xbd0 [ 44.736225][ T4529] block_ioctl+0xa8/0x114 [ 44.737277][ T4529] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.738489][ T4529] invoke_syscall+0x98/0x2b8 [ 44.739619][ T4529] el0_svc_common+0x138/0x258 [ 44.740775][ T4529] do_el0_svc+0x58/0x14c [ 44.741834][ T4529] el0_svc+0x7c/0x1f0 [ 44.742762][ T4529] el0t_64_sync_handler+0x84/0xe4 [ 44.744019][ T4529] el0t_64_sync+0x1a0/0x1a4 [ 44.746891][ T4529] block nbd4: Failed to create debugfs dir for 'nbd4' [ 44.748173][ T4525] FAULT_INJECTION: forcing a failure. [ 44.748173][ T4525] name failslab, interval 1, probability 0, space 0, times 0 [ 44.751504][ T4525] CPU: 0 PID: 4525 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.753459][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.755801][ T4525] Call trace: [ 44.756543][ T4525] dump_backtrace+0x0/0x530 [ 44.757532][ T4525] show_stack+0x2c/0x3c [ 44.758492][ T4525] dump_stack_lvl+0x108/0x170 [ 44.759556][ T4525] dump_stack+0x1c/0x58 [ 44.760439][ T4525] should_fail+0x3b8/0x514 [ 44.761415][ T4525] __should_failslab+0xbc/0x110 [ 44.762542][ T4525] should_failslab+0x10/0x28 [ 44.763644][ T4525] slab_pre_alloc_hook+0x64/0xe8 [ 44.764884][ T4525] kmem_cache_alloc+0x98/0x45c [ 44.766015][ T4525] new_inode_pseudo+0x110/0x200 [ 44.767210][ T4525] new_inode+0x38/0x174 executing program [ 44.768149][ T4525] debugfs_create_dir+0xf0/0x420 [ 44.769261][ T4525] nbd_start_device+0x3bc/0xb34 [ 44.770399][ T4525] nbd_ioctl+0x420/0xc2c [ 44.771352][ T4525] blkdev_ioctl+0x3d8/0xbd0 [ 44.772359][ T4525] block_ioctl+0xa8/0x114 [ 44.773432][ T4525] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.774706][ T4525] invoke_syscall+0x98/0x2b8 [ 44.775826][ T4525] el0_svc_common+0x138/0x258 [ 44.776960][ T4525] do_el0_svc+0x58/0x14c [ 44.777939][ T4525] el0_svc+0x7c/0x1f0 [ 44.778940][ T4525] el0t_64_sync_handler+0x84/0xe4 [ 44.780132][ T4525] el0t_64_sync+0x1a0/0x1a4 [ 44.782749][ T4525] debugfs: out of free dentries, can not create directory 'nbd3' [ 44.784833][ T4525] block nbd3: Failed to create debugfs dir for 'nbd3' [ 44.795297][ T4539] block nbd2: shutting down sockets [ 44.795982][ T4543] block nbd1: shutting down sockets executing program [ 44.809225][ T4538] FAULT_INJECTION: forcing a failure. [ 44.809225][ T4538] name failslab, interval 1, probability 0, space 0, times 0 [ 44.812556][ T4538] CPU: 1 PID: 4538 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.814662][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.817190][ T4538] Call trace: [ 44.818003][ T4538] dump_backtrace+0x0/0x530 [ 44.819133][ T4538] show_stack+0x2c/0x3c [ 44.820092][ T4538] dump_stack_lvl+0x108/0x170 [ 44.821143][ T4538] dump_stack+0x1c/0x58 [ 44.822176][ T4538] should_fail+0x3b8/0x514 [ 44.823399][ T4538] __should_failslab+0xbc/0x110 [ 44.824641][ T4538] should_failslab+0x10/0x28 [ 44.825841][ T4538] slab_pre_alloc_hook+0x64/0xe8 [ 44.827173][ T4538] kmem_cache_alloc+0x98/0x45c [ 44.828533][ T4538] radix_tree_node_alloc+0x184/0x360 [ 44.829794][ T4538] idr_get_free+0x240/0x8b0 [ 44.830881][ T4538] idr_alloc_cyclic+0x18c/0x4f4 [ 44.832138][ T4538] __kernfs_new_node+0x124/0x684 [ 44.833461][ T4538] kernfs_new_node+0x98/0x194 [ 44.834673][ T4538] __kernfs_create_file+0x60/0x2d4 [ 44.835961][ T4538] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 44.837340][ T4538] sysfs_create_file_ns+0x144/0x254 [ 44.838630][ T4538] device_create_file+0xfc/0x1b0 [ 44.839902][ T4538] nbd_start_device+0x340/0xb34 [ 44.841198][ T4538] nbd_ioctl+0x420/0xc2c [ 44.842225][ T4538] blkdev_ioctl+0x3d8/0xbd0 [ 44.843347][ T4538] block_ioctl+0xa8/0x114 [ 44.844459][ T4538] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.845740][ T4538] invoke_syscall+0x98/0x2b8 [ 44.846949][ T4538] el0_svc_common+0x138/0x258 [ 44.848197][ T4538] do_el0_svc+0x58/0x14c [ 44.849297][ T4538] el0_svc+0x7c/0x1f0 [ 44.850305][ T4538] el0t_64_sync_handler+0x84/0xe4 [ 44.851517][ T4538] el0t_64_sync+0x1a0/0x1a4 [ 44.855635][ T4536] block nbd0: shutting down sockets [ 44.857810][ T4534] FAULT_INJECTION: forcing a failure. [ 44.857810][ T4534] name failslab, interval 1, probability 0, space 0, times 0 [ 44.861091][ T4534] CPU: 0 PID: 4534 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.863006][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.865303][ T4534] Call trace: [ 44.866014][ T4534] dump_backtrace+0x0/0x530 [ 44.867005][ T4534] show_stack+0x2c/0x3c [ 44.867959][ T4534] dump_stack_lvl+0x108/0x170 [ 44.868968][ T4534] dump_stack+0x1c/0x58 [ 44.869909][ T4534] should_fail+0x3b8/0x514 [ 44.870931][ T4534] __should_failslab+0xbc/0x110 [ 44.872014][ T4534] should_failslab+0x10/0x28 [ 44.873110][ T4534] slab_pre_alloc_hook+0x64/0xe8 [ 44.874317][ T4534] kmem_cache_alloc+0x98/0x45c [ 44.875425][ T4534] new_inode_pseudo+0x110/0x200 [ 44.876515][ T4534] new_inode+0x38/0x174 [ 44.877456][ T4534] debugfs_create_dir+0xf0/0x420 [ 44.878591][ T4534] nbd_start_device+0x3bc/0xb34 [ 44.879682][ T4534] nbd_ioctl+0x420/0xc2c [ 44.880705][ T4534] blkdev_ioctl+0x3d8/0xbd0 [ 44.881708][ T4534] block_ioctl+0xa8/0x114 [ 44.882731][ T4534] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.883892][ T4534] invoke_syscall+0x98/0x2b8 [ 44.884964][ T4534] el0_svc_common+0x138/0x258 [ 44.885938][ T4534] do_el0_svc+0x58/0x14c [ 44.886897][ T4534] el0_svc+0x7c/0x1f0 [ 44.887867][ T4534] el0t_64_sync_handler+0x84/0xe4 [ 44.889120][ T4534] el0t_64_sync+0x1a0/0x1a4 [ 44.890488][ T4534] debugfs: out of free dentries, can not create directory 'nbd2' [ 44.892516][ T4534] block nbd2: Failed to create debugfs dir for 'nbd2' [ 44.894301][ T4536] FAULT_INJECTION: forcing a failure. [ 44.894301][ T4536] name failslab, interval 1, probability 0, space 0, times 0 [ 44.898649][ T4536] CPU: 0 PID: 4536 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.900577][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.902772][ T4536] Call trace: [ 44.903495][ T4536] dump_backtrace+0x0/0x530 [ 44.904530][ T4536] show_stack+0x2c/0x3c [ 44.905487][ T4536] dump_stack_lvl+0x108/0x170 [ 44.906549][ T4536] dump_stack+0x1c/0x58 [ 44.907551][ T4536] should_fail+0x3b8/0x514 [ 44.908564][ T4536] __should_failslab+0xbc/0x110 [ 44.909654][ T4536] should_failslab+0x10/0x28 [ 44.910680][ T4536] slab_pre_alloc_hook+0x64/0xe8 [ 44.911850][ T4536] kmem_cache_alloc+0x98/0x45c [ 44.912931][ T4536] __d_alloc+0x3c/0x6a8 [ 44.913979][ T4536] d_alloc_parallel+0xb8/0x11bc [ 44.915124][ T4536] __lookup_slow+0x108/0x388 [ 44.916178][ T4536] lookup_one_len+0x178/0x28c [ 44.917241][ T4536] start_creating+0x19c/0x2e0 [ 44.918232][ T4536] debugfs_create_dir+0x34/0x420 [ 44.919278][ T4536] nbd_start_device+0x3bc/0xb34 [ 44.920327][ T4536] nbd_ioctl+0x420/0xc2c [ 44.921339][ T4536] blkdev_ioctl+0x3d8/0xbd0 [ 44.922415][ T4536] block_ioctl+0xa8/0x114 [ 44.923436][ T4536] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.924624][ T4536] invoke_syscall+0x98/0x2b8 [ 44.925702][ T4536] el0_svc_common+0x138/0x258 [ 44.926757][ T4536] do_el0_svc+0x58/0x14c [ 44.927786][ T4536] el0_svc+0x7c/0x1f0 [ 44.928712][ T4536] el0t_64_sync_handler+0x84/0xe4 [ 44.929899][ T4536] el0t_64_sync+0x1a0/0x1a4 [ 44.945476][ T4542] block nbd4: shutting down sockets [ 44.947132][ T4536] block nbd0: Failed to create debugfs dir for 'nbd0' [ 44.950425][ T4542] FAULT_INJECTION: forcing a failure. [ 44.950425][ T4542] name failslab, interval 1, probability 0, space 0, times 0 [ 44.953294][ T4542] CPU: 0 PID: 4542 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 44.955074][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 44.957343][ T4542] Call trace: [ 44.958038][ T4542] dump_backtrace+0x0/0x530 [ 44.959160][ T4542] show_stack+0x2c/0x3c [ 44.960172][ T4542] dump_stack_lvl+0x108/0x170 [ 44.961238][ T4542] dump_stack+0x1c/0x58 [ 44.962262][ T4542] should_fail+0x3b8/0x514 [ 44.963306][ T4542] __should_failslab+0xbc/0x110 [ 44.964504][ T4542] should_failslab+0x10/0x28 [ 44.965602][ T4542] slab_pre_alloc_hook+0x64/0xe8 [ 44.966751][ T4542] kmem_cache_alloc+0x98/0x45c [ 44.967821][ T4542] new_inode_pseudo+0x110/0x200 [ 44.968947][ T4542] new_inode+0x38/0x174 [ 44.969917][ T4542] debugfs_create_dir+0xf0/0x420 [ 44.971053][ T4542] nbd_start_device+0x3bc/0xb34 [ 44.972200][ T4542] nbd_ioctl+0x420/0xc2c [ 44.973130][ T4542] blkdev_ioctl+0x3d8/0xbd0 [ 44.974148][ T4542] block_ioctl+0xa8/0x114 [ 44.975146][ T4542] __arm64_sys_ioctl+0x14c/0x1c8 [ 44.976232][ T4542] invoke_syscall+0x98/0x2b8 [ 44.977276][ T4542] el0_svc_common+0x138/0x258 [ 44.978446][ T4542] do_el0_svc+0x58/0x14c [ 44.979479][ T4542] el0_svc+0x7c/0x1f0 [ 44.980410][ T4542] el0t_64_sync_handler+0x84/0xe4 [ 44.981546][ T4542] el0t_64_sync+0x1a0/0x1a4 executing program executing program executing program [ 44.989242][ T4542] debugfs: out of free dentries, can not create directory 'nbd4' [ 44.991770][ T4542] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 45.005503][ T4547] block nbd3: shutting down sockets [ 45.009354][ T4545] FAULT_INJECTION: forcing a failure. [ 45.009354][ T4545] name failslab, interval 1, probability 0, space 0, times 0 [ 45.012456][ T4545] CPU: 0 PID: 4545 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.014368][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.016730][ T4545] Call trace: [ 45.017491][ T4545] dump_backtrace+0x0/0x530 [ 45.018495][ T4545] show_stack+0x2c/0x3c [ 45.019458][ T4545] dump_stack_lvl+0x108/0x170 [ 45.020520][ T4545] dump_stack+0x1c/0x58 [ 45.021425][ T4545] should_fail+0x3b8/0x514 [ 45.022387][ T4545] __should_failslab+0xbc/0x110 [ 45.023465][ T4545] should_failslab+0x10/0x28 [ 45.024530][ T4545] slab_pre_alloc_hook+0x64/0xe8 [ 45.025631][ T4545] kmem_cache_alloc+0x98/0x45c [ 45.026766][ T4545] __d_alloc+0x3c/0x6a8 [ 45.027764][ T4545] d_alloc_parallel+0xb8/0x11bc [ 45.028916][ T4545] __lookup_slow+0x108/0x388 [ 45.029895][ T4545] lookup_one_len+0x178/0x28c [ 45.030958][ T4545] start_creating+0x19c/0x2e0 [ 45.031934][ T4545] debugfs_create_dir+0x34/0x420 [ 45.033108][ T4545] nbd_start_device+0x3bc/0xb34 [ 45.034256][ T4545] nbd_ioctl+0x420/0xc2c [ 45.035246][ T4545] blkdev_ioctl+0x3d8/0xbd0 [ 45.036245][ T4545] block_ioctl+0xa8/0x114 [ 45.037196][ T4545] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.038250][ T4545] invoke_syscall+0x98/0x2b8 [ 45.039281][ T4545] el0_svc_common+0x138/0x258 [ 45.040380][ T4545] do_el0_svc+0x58/0x14c [ 45.041447][ T4545] el0_svc+0x7c/0x1f0 [ 45.042421][ T4545] el0t_64_sync_handler+0x84/0xe4 [ 45.043507][ T4545] el0t_64_sync+0x1a0/0x1a4 [ 45.047977][ T4545] block nbd3: Failed to create debugfs dir for 'nbd3' executing program [ 45.086168][ T4551] block nbd0: shutting down sockets [ 45.086532][ T4552] block nbd2: shutting down sockets [ 45.095929][ T4555] block nbd4: shutting down sockets [ 45.095990][ T4553] block nbd1: shutting down sockets [ 45.097883][ T4552] FAULT_INJECTION: forcing a failure. [ 45.097883][ T4552] name failslab, interval 1, probability 0, space 0, times 0 [ 45.101446][ T4552] CPU: 0 PID: 4552 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.103332][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.105666][ T4552] Call trace: [ 45.106430][ T4552] dump_backtrace+0x0/0x530 [ 45.107571][ T4552] show_stack+0x2c/0x3c [ 45.108551][ T4552] dump_stack_lvl+0x108/0x170 [ 45.109708][ T4552] dump_stack+0x1c/0x58 [ 45.110647][ T4552] should_fail+0x3b8/0x514 [ 45.111682][ T4552] __should_failslab+0xbc/0x110 [ 45.112810][ T4552] should_failslab+0x10/0x28 [ 45.113914][ T4552] slab_pre_alloc_hook+0x64/0xe8 [ 45.115096][ T4552] kmem_cache_alloc+0x98/0x45c [ 45.116148][ T4552] __d_alloc+0x3c/0x6a8 [ 45.117125][ T4552] d_alloc_parallel+0xb8/0x11bc [ 45.118255][ T4552] __lookup_slow+0x108/0x388 [ 45.119307][ T4552] lookup_one_len+0x178/0x28c [ 45.120367][ T4552] start_creating+0x19c/0x2e0 [ 45.121415][ T4552] debugfs_create_dir+0x34/0x420 [ 45.122570][ T4552] nbd_start_device+0x3bc/0xb34 [ 45.123674][ T4552] nbd_ioctl+0x420/0xc2c [ 45.124623][ T4552] blkdev_ioctl+0x3d8/0xbd0 [ 45.125634][ T4552] block_ioctl+0xa8/0x114 [ 45.126651][ T4552] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.127906][ T4552] invoke_syscall+0x98/0x2b8 [ 45.129096][ T4552] el0_svc_common+0x138/0x258 [ 45.130154][ T4552] do_el0_svc+0x58/0x14c [ 45.131143][ T4552] el0_svc+0x7c/0x1f0 [ 45.132103][ T4552] el0t_64_sync_handler+0x84/0xe4 [ 45.133318][ T4552] el0t_64_sync+0x1a0/0x1a4 [ 45.136219][ T4552] block nbd2: Failed to create debugfs dir for 'nbd2' [ 45.138796][ T4553] FAULT_INJECTION: forcing a failure. [ 45.138796][ T4553] name failslab, interval 1, probability 0, space 0, times 0 [ 45.141775][ T4553] CPU: 1 PID: 4553 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.143727][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.145969][ T4553] Call trace: [ 45.146732][ T4553] dump_backtrace+0x0/0x530 [ 45.147816][ T4553] show_stack+0x2c/0x3c [ 45.148763][ T4553] dump_stack_lvl+0x108/0x170 [ 45.149829][ T4553] dump_stack+0x1c/0x58 [ 45.150723][ T4553] should_fail+0x3b8/0x514 [ 45.151724][ T4553] __should_failslab+0xbc/0x110 [ 45.152833][ T4553] should_failslab+0x10/0x28 [ 45.153814][ T4553] slab_pre_alloc_hook+0x64/0xe8 [ 45.154906][ T4553] kmem_cache_alloc+0x98/0x45c [ 45.155888][ T4553] new_inode_pseudo+0x110/0x200 [ 45.156966][ T4553] new_inode+0x38/0x174 [ 45.157999][ T4553] debugfs_create_dir+0xf0/0x420 [ 45.159172][ T4553] nbd_start_device+0x3bc/0xb34 [ 45.160373][ T4553] nbd_ioctl+0x420/0xc2c [ 45.161326][ T4553] blkdev_ioctl+0x3d8/0xbd0 [ 45.162330][ T4553] block_ioctl+0xa8/0x114 [ 45.163349][ T4553] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.164456][ T4553] invoke_syscall+0x98/0x2b8 [ 45.165514][ T4553] el0_svc_common+0x138/0x258 [ 45.166605][ T4553] do_el0_svc+0x58/0x14c [ 45.167633][ T4553] el0_svc+0x7c/0x1f0 [ 45.168555][ T4553] el0t_64_sync_handler+0x84/0xe4 [ 45.169688][ T4553] el0t_64_sync+0x1a0/0x1a4 [ 45.174438][ T4562] block nbd3: shutting down sockets [ 45.185362][ T4553] debugfs: out of free dentries, can not create directory 'nbd1' [ 45.187537][ T4553] block nbd1: Failed to create debugfs dir for 'nbd1' [ 45.187581][ T4556] FAULT_INJECTION: forcing a failure. [ 45.187581][ T4556] name failslab, interval 1, probability 0, space 0, times 0 [ 45.192021][ T4556] CPU: 0 PID: 4556 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.193904][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.196204][ T4556] Call trace: [ 45.196943][ T4556] dump_backtrace+0x0/0x530 [ 45.197967][ T4556] show_stack+0x2c/0x3c [ 45.198942][ T4556] dump_stack_lvl+0x108/0x170 [ 45.200075][ T4556] dump_stack+0x1c/0x58 [ 45.200942][ T4556] should_fail+0x3b8/0x514 [ 45.201924][ T4556] __should_failslab+0xbc/0x110 [ 45.202993][ T4556] should_failslab+0x10/0x28 executing program [ 45.204056][ T4556] slab_pre_alloc_hook+0x64/0xe8 [ 45.205242][ T4556] kmem_cache_alloc+0x98/0x45c [ 45.206379][ T4556] new_inode_pseudo+0x110/0x200 [ 45.207447][ T4556] new_inode+0x38/0x174 [ 45.208412][ T4556] debugfs_create_dir+0xf0/0x420 [ 45.209562][ T4556] nbd_start_device+0x3bc/0xb34 [ 45.210752][ T4556] nbd_ioctl+0x420/0xc2c [ 45.211756][ T4556] blkdev_ioctl+0x3d8/0xbd0 [ 45.212824][ T4556] block_ioctl+0xa8/0x114 [ 45.213895][ T4556] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.215104][ T4556] invoke_syscall+0x98/0x2b8 [ 45.216221][ T4556] el0_svc_common+0x138/0x258 [ 45.217300][ T4556] do_el0_svc+0x58/0x14c [ 45.218428][ T4556] el0_svc+0x7c/0x1f0 [ 45.219334][ T4556] el0t_64_sync_handler+0x84/0xe4 [ 45.220522][ T4556] el0t_64_sync+0x1a0/0x1a4 [ 45.222962][ T4556] debugfs: out of free dentries, can not create directory 'nbd0' [ 45.224920][ T4560] FAULT_INJECTION: forcing a failure. [ 45.224920][ T4560] name failslab, interval 1, probability 0, space 0, times 0 [ 45.228116][ T4560] CPU: 0 PID: 4560 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.230120][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.232414][ T4560] Call trace: [ 45.233167][ T4560] dump_backtrace+0x0/0x530 [ 45.234164][ T4560] show_stack+0x2c/0x3c [ 45.235171][ T4560] dump_stack_lvl+0x108/0x170 [ 45.236104][ T4556] block nbd0: Failed to create debugfs dir for 'nbd0' [ 45.236294][ T4560] dump_stack+0x1c/0x58 [ 45.236310][ T4560] should_fail+0x3b8/0x514 [ 45.236321][ T4560] __should_failslab+0xbc/0x110 [ 45.236333][ T4560] should_failslab+0x10/0x28 [ 45.236343][ T4560] slab_pre_alloc_hook+0x64/0xe8 [ 45.243300][ T4560] kmem_cache_alloc+0x98/0x45c [ 45.244407][ T4560] new_inode_pseudo+0x110/0x200 executing program [ 45.245493][ T4560] new_inode+0x38/0x174 [ 45.246450][ T4560] debugfs_create_dir+0xf0/0x420 [ 45.247682][ T4560] nbd_start_device+0x3bc/0xb34 [ 45.248873][ T4560] nbd_ioctl+0x420/0xc2c [ 45.249890][ T4560] blkdev_ioctl+0x3d8/0xbd0 [ 45.250997][ T4560] block_ioctl+0xa8/0x114 [ 45.251978][ T4560] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.253085][ T4560] invoke_syscall+0x98/0x2b8 [ 45.254257][ T4560] el0_svc_common+0x138/0x258 [ 45.255362][ T4560] do_el0_svc+0x58/0x14c [ 45.256372][ T4560] el0_svc+0x7c/0x1f0 [ 45.257380][ T4560] el0t_64_sync_handler+0x84/0xe4 [ 45.258556][ T4560] el0t_64_sync+0x1a0/0x1a4 [ 45.266396][ T4560] debugfs: out of free dentries, can not create directory 'nbd4' [ 45.268781][ T4561] FAULT_INJECTION: forcing a failure. [ 45.268781][ T4561] name failslab, interval 1, probability 0, space 0, times 0 [ 45.271839][ T4561] CPU: 1 PID: 4561 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.273745][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.275983][ T4560] block nbd4: Failed to create debugfs dir for 'nbd4' [ 45.276184][ T4561] Call trace: [ 45.276192][ T4561] dump_backtrace+0x0/0x530 [ 45.279524][ T4561] show_stack+0x2c/0x3c [ 45.280512][ T4561] dump_stack_lvl+0x108/0x170 [ 45.281613][ T4561] dump_stack+0x1c/0x58 [ 45.282548][ T4561] should_fail+0x3b8/0x514 [ 45.283607][ T4561] __should_failslab+0xbc/0x110 [ 45.284742][ T4561] should_failslab+0x10/0x28 [ 45.285834][ T4561] slab_pre_alloc_hook+0x64/0xe8 [ 45.287092][ T4561] kmem_cache_alloc+0x98/0x45c [ 45.288136][ T4561] __d_alloc+0x3c/0x6a8 [ 45.289071][ T4561] d_alloc_parallel+0xb8/0x11bc [ 45.290145][ T4561] __lookup_slow+0x108/0x388 [ 45.291126][ T4561] lookup_one_len+0x178/0x28c [ 45.292286][ T4561] start_creating+0x19c/0x2e0 [ 45.293294][ T4561] debugfs_create_dir+0x34/0x420 [ 45.294472][ T4561] nbd_start_device+0x3bc/0xb34 [ 45.295526][ T4561] nbd_ioctl+0x420/0xc2c [ 45.296513][ T4561] blkdev_ioctl+0x3d8/0xbd0 [ 45.297577][ T4561] block_ioctl+0xa8/0x114 [ 45.298668][ T4561] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.299804][ T4561] invoke_syscall+0x98/0x2b8 [ 45.300829][ T4561] el0_svc_common+0x138/0x258 [ 45.301855][ T4561] do_el0_svc+0x58/0x14c [ 45.302807][ T4561] el0_svc+0x7c/0x1f0 [ 45.303676][ T4561] el0t_64_sync_handler+0x84/0xe4 [ 45.304848][ T4561] el0t_64_sync+0x1a0/0x1a4 [ 45.307830][ T4561] block nbd3: Failed to create debugfs dir for 'nbd3' executing program executing program [ 45.325200][ T4567] block nbd2: shutting down sockets [ 45.336638][ T4564] FAULT_INJECTION: forcing a failure. [ 45.336638][ T4564] name failslab, interval 1, probability 0, space 0, times 0 [ 45.339463][ T4564] CPU: 1 PID: 4564 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.341434][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.343815][ T4564] Call trace: [ 45.344531][ T4564] dump_backtrace+0x0/0x530 [ 45.345626][ T4564] show_stack+0x2c/0x3c [ 45.346590][ T4564] dump_stack_lvl+0x108/0x170 [ 45.347590][ T4564] dump_stack+0x1c/0x58 [ 45.348499][ T4564] should_fail+0x3b8/0x514 executing program [ 45.349613][ T4564] __should_failslab+0xbc/0x110 [ 45.350676][ T4564] should_failslab+0x10/0x28 [ 45.351692][ T4564] slab_pre_alloc_hook+0x64/0xe8 [ 45.352793][ T4564] kmem_cache_alloc+0x98/0x45c [ 45.353833][ T4564] __d_alloc+0x3c/0x6a8 [ 45.354774][ T4564] d_alloc_parallel+0xb8/0x11bc [ 45.355819][ T4564] __lookup_slow+0x108/0x388 [ 45.356867][ T4564] lookup_one_len+0x178/0x28c [ 45.357908][ T4564] start_creating+0x19c/0x2e0 [ 45.359045][ T4564] debugfs_create_dir+0x34/0x420 [ 45.360199][ T4564] nbd_start_device+0x3bc/0xb34 [ 45.361458][ T4564] nbd_ioctl+0x420/0xc2c [ 45.362551][ T4564] blkdev_ioctl+0x3d8/0xbd0 [ 45.363600][ T4564] block_ioctl+0xa8/0x114 [ 45.364629][ T4564] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.365891][ T4564] invoke_syscall+0x98/0x2b8 [ 45.366981][ T4564] el0_svc_common+0x138/0x258 [ 45.368063][ T4564] do_el0_svc+0x58/0x14c [ 45.368965][ T4564] el0_svc+0x7c/0x1f0 [ 45.369922][ T4564] el0t_64_sync_handler+0x84/0xe4 [ 45.371103][ T4564] el0t_64_sync+0x1a0/0x1a4 [ 45.373799][ T4564] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 45.385626][ T4570] block nbd1: shutting down sockets [ 45.392603][ T4566] FAULT_INJECTION: forcing a failure. [ 45.392603][ T4566] name failslab, interval 1, probability 0, space 0, times 0 [ 45.395733][ T4566] CPU: 1 PID: 4566 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.397630][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.399765][ T4566] Call trace: [ 45.400488][ T4566] dump_backtrace+0x0/0x530 [ 45.401506][ T4566] show_stack+0x2c/0x3c [ 45.402518][ T4566] dump_stack_lvl+0x108/0x170 [ 45.403598][ T4566] dump_stack+0x1c/0x58 [ 45.404582][ T4566] should_fail+0x3b8/0x514 [ 45.405566][ T4566] __should_failslab+0xbc/0x110 [ 45.406743][ T4566] should_failslab+0x10/0x28 [ 45.407840][ T4566] slab_pre_alloc_hook+0x64/0xe8 [ 45.408936][ T4566] kmem_cache_alloc+0x98/0x45c [ 45.410147][ T4566] __d_alloc+0x3c/0x6a8 [ 45.411173][ T4566] d_alloc_parallel+0xb8/0x11bc [ 45.412315][ T4566] __lookup_slow+0x108/0x388 [ 45.413431][ T4566] lookup_one_len+0x178/0x28c [ 45.414583][ T4566] start_creating+0x19c/0x2e0 [ 45.415650][ T4566] debugfs_create_dir+0x34/0x420 [ 45.416866][ T4566] nbd_start_device+0x3bc/0xb34 [ 45.418119][ T4566] nbd_ioctl+0x420/0xc2c [ 45.419131][ T4566] blkdev_ioctl+0x3d8/0xbd0 [ 45.420170][ T4566] block_ioctl+0xa8/0x114 [ 45.421165][ T4566] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.422350][ T4566] invoke_syscall+0x98/0x2b8 [ 45.423378][ T4566] el0_svc_common+0x138/0x258 [ 45.424514][ T4566] do_el0_svc+0x58/0x14c [ 45.425463][ T4566] el0_svc+0x7c/0x1f0 [ 45.426300][ T4566] el0t_64_sync_handler+0x84/0xe4 [ 45.427412][ T4566] el0t_64_sync+0x1a0/0x1a4 [ 45.428738][ T4566] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 45.446229][ T4575] block nbd0: shutting down sockets [ 45.455111][ T4576] block nbd4: shutting down sockets [ 45.456172][ T4574] block nbd3: shutting down sockets [ 45.457524][ T4571] FAULT_INJECTION: forcing a failure. [ 45.457524][ T4571] name failslab, interval 1, probability 0, space 0, times 0 [ 45.460616][ T4571] CPU: 1 PID: 4571 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.462442][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.464794][ T4571] Call trace: [ 45.465538][ T4571] dump_backtrace+0x0/0x530 [ 45.466637][ T4571] show_stack+0x2c/0x3c [ 45.467576][ T4571] dump_stack_lvl+0x108/0x170 [ 45.468598][ T4571] dump_stack+0x1c/0x58 [ 45.469573][ T4571] should_fail+0x3b8/0x514 [ 45.470602][ T4571] __should_failslab+0xbc/0x110 [ 45.471701][ T4571] should_failslab+0x10/0x28 [ 45.472808][ T4571] slab_pre_alloc_hook+0x64/0xe8 [ 45.474033][ T4571] kmem_cache_alloc+0x98/0x45c [ 45.475172][ T4571] __d_alloc+0x3c/0x6a8 [ 45.476186][ T4571] d_alloc_parallel+0xb8/0x11bc [ 45.477351][ T4571] __lookup_slow+0x108/0x388 [ 45.478375][ T4571] lookup_one_len+0x178/0x28c [ 45.479421][ T4571] start_creating+0x19c/0x2e0 [ 45.480581][ T4571] debugfs_create_dir+0x34/0x420 [ 45.481784][ T4571] nbd_start_device+0x3bc/0xb34 [ 45.482978][ T4571] nbd_ioctl+0x420/0xc2c [ 45.484054][ T4571] blkdev_ioctl+0x3d8/0xbd0 [ 45.485213][ T4571] block_ioctl+0xa8/0x114 [ 45.486180][ T4571] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.487304][ T4571] invoke_syscall+0x98/0x2b8 [ 45.488346][ T4571] el0_svc_common+0x138/0x258 [ 45.489423][ T4571] do_el0_svc+0x58/0x14c [ 45.490341][ T4571] el0_svc+0x7c/0x1f0 [ 45.491250][ T4571] el0t_64_sync_handler+0x84/0xe4 [ 45.492410][ T4571] el0t_64_sync+0x1a0/0x1a4 [ 45.494611][ T4574] FAULT_INJECTION: forcing a failure. [ 45.494611][ T4574] name failslab, interval 1, probability 0, space 0, times 0 [ 45.496680][ T4578] block nbd2: shutting down sockets [ 45.497768][ T4574] CPU: 1 PID: 4574 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.500763][ T4574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.503049][ T4574] Call trace: [ 45.503834][ T4574] dump_backtrace+0x0/0x530 [ 45.504903][ T4574] show_stack+0x2c/0x3c [ 45.505935][ T4574] dump_stack_lvl+0x108/0x170 [ 45.507041][ T4574] dump_stack+0x1c/0x58 [ 45.507933][ T4574] should_fail+0x3b8/0x514 [ 45.508936][ T4574] __should_failslab+0xbc/0x110 [ 45.510042][ T4574] should_failslab+0x10/0x28 [ 45.511080][ T4574] slab_pre_alloc_hook+0x64/0xe8 [ 45.512245][ T4574] kmem_cache_alloc+0x98/0x45c [ 45.513434][ T4574] new_inode_pseudo+0x110/0x200 [ 45.514514][ T4574] new_inode+0x38/0x174 [ 45.515506][ T4574] debugfs_create_dir+0xf0/0x420 [ 45.516673][ T4574] nbd_start_device+0x3bc/0xb34 [ 45.517756][ T4574] nbd_ioctl+0x420/0xc2c [ 45.518721][ T4574] blkdev_ioctl+0x3d8/0xbd0 [ 45.519797][ T4574] block_ioctl+0xa8/0x114 [ 45.520808][ T4574] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.521942][ T4574] invoke_syscall+0x98/0x2b8 [ 45.523034][ T4574] el0_svc_common+0x138/0x258 [ 45.524091][ T4574] do_el0_svc+0x58/0x14c [ 45.525055][ T4574] el0_svc+0x7c/0x1f0 [ 45.525950][ T4574] el0t_64_sync_handler+0x84/0xe4 [ 45.527158][ T4574] el0t_64_sync+0x1a0/0x1a4 [ 45.530414][ T4571] block nbd0: Failed to create debugfs dir for 'nbd0' [ 45.545141][ T4574] debugfs: out of free dentries, can not create directory 'nbd3' [ 45.547337][ T4572] FAULT_INJECTION: forcing a failure. [ 45.547337][ T4572] name failslab, interval 1, probability 0, space 0, times 0 [ 45.550576][ T4572] CPU: 0 PID: 4572 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.552576][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.554967][ T4572] Call trace: [ 45.555320][ T4574] block nbd3: Failed to create debugfs dir for 'nbd3' [ 45.555680][ T4572] dump_backtrace+0x0/0x530 [ 45.558243][ T4572] show_stack+0x2c/0x3c [ 45.559208][ T4572] dump_stack_lvl+0x108/0x170 [ 45.560258][ T4572] dump_stack+0x1c/0x58 [ 45.561201][ T4572] should_fail+0x3b8/0x514 [ 45.562247][ T4572] __should_failslab+0xbc/0x110 [ 45.563363][ T4572] should_failslab+0x10/0x28 [ 45.564449][ T4572] slab_pre_alloc_hook+0x64/0xe8 [ 45.565682][ T4572] kmem_cache_alloc+0x98/0x45c [ 45.566692][ T4572] new_inode_pseudo+0x110/0x200 [ 45.567775][ T4572] new_inode+0x38/0x174 [ 45.568685][ T4572] debugfs_create_dir+0xf0/0x420 [ 45.569834][ T4572] nbd_start_device+0x3bc/0xb34 [ 45.571020][ T4572] nbd_ioctl+0x420/0xc2c [ 45.572062][ T4572] blkdev_ioctl+0x3d8/0xbd0 [ 45.573055][ T4572] block_ioctl+0xa8/0x114 [ 45.574119][ T4572] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.575226][ T4572] invoke_syscall+0x98/0x2b8 [ 45.576358][ T4572] el0_svc_common+0x138/0x258 [ 45.577408][ T4572] do_el0_svc+0x58/0x14c [ 45.578484][ T4572] el0_svc+0x7c/0x1f0 [ 45.579446][ T4572] el0t_64_sync_handler+0x84/0xe4 [ 45.580538][ T4572] el0t_64_sync+0x1a0/0x1a4 [ 45.584284][ T4572] debugfs: out of free dentries, can not create directory 'nbd4' executing program [ 45.586913][ T4578] FAULT_INJECTION: forcing a failure. [ 45.586913][ T4578] name failslab, interval 1, probability 0, space 0, times 0 [ 45.590548][ T4578] CPU: 0 PID: 4578 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.592464][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.594733][ T4578] Call trace: [ 45.595498][ T4578] dump_backtrace+0x0/0x530 [ 45.596574][ T4578] show_stack+0x2c/0x3c [ 45.597583][ T4578] dump_stack_lvl+0x108/0x170 [ 45.598690][ T4578] dump_stack+0x1c/0x58 [ 45.599621][ T4578] should_fail+0x3b8/0x514 [ 45.600708][ T4578] __should_failslab+0xbc/0x110 [ 45.601831][ T4578] should_failslab+0x10/0x28 [ 45.602968][ T4578] slab_pre_alloc_hook+0x64/0xe8 [ 45.604058][ T4578] kmem_cache_alloc+0x98/0x45c [ 45.605123][ T4578] new_inode_pseudo+0x110/0x200 [ 45.605516][ T4581] block nbd1: shutting down sockets [ 45.606359][ T4578] new_inode+0x38/0x174 [ 45.608497][ T4578] debugfs_create_dir+0xf0/0x420 [ 45.609700][ T4578] nbd_start_device+0x3bc/0xb34 [ 45.610834][ T4578] nbd_ioctl+0x420/0xc2c [ 45.611816][ T4578] blkdev_ioctl+0x3d8/0xbd0 [ 45.612916][ T4578] block_ioctl+0xa8/0x114 [ 45.613932][ T4578] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.615125][ T4578] invoke_syscall+0x98/0x2b8 [ 45.616204][ T4578] el0_svc_common+0x138/0x258 [ 45.617267][ T4578] do_el0_svc+0x58/0x14c [ 45.617627][ T4572] block nbd4: Failed to create debugfs dir for 'nbd4' [ 45.618209][ T4578] el0_svc+0x7c/0x1f0 [ 45.620750][ T4578] el0t_64_sync_handler+0x84/0xe4 [ 45.621938][ T4578] el0t_64_sync+0x1a0/0x1a4 [ 45.624089][ T4578] debugfs: out of free dentries, can not create directory 'nbd2' [ 45.626121][ T4581] FAULT_INJECTION: forcing a failure. [ 45.626121][ T4581] name failslab, interval 1, probability 0, space 0, times 0 [ 45.628972][ T4581] CPU: 1 PID: 4581 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.630894][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.633075][ T4581] Call trace: [ 45.633779][ T4581] dump_backtrace+0x0/0x530 [ 45.634844][ T4581] show_stack+0x2c/0x3c [ 45.635777][ T4581] dump_stack_lvl+0x108/0x170 [ 45.636903][ T4581] dump_stack+0x1c/0x58 [ 45.637836][ T4581] should_fail+0x3b8/0x514 [ 45.638859][ T4581] __should_failslab+0xbc/0x110 [ 45.639896][ T4581] should_failslab+0x10/0x28 [ 45.640940][ T4581] slab_pre_alloc_hook+0x64/0xe8 [ 45.642016][ T4581] kmem_cache_alloc+0x98/0x45c [ 45.643140][ T4581] new_inode_pseudo+0x110/0x200 [ 45.644264][ T4581] new_inode+0x38/0x174 [ 45.645310][ T4581] debugfs_create_dir+0xf0/0x420 executing program [ 45.646390][ T4581] nbd_start_device+0x3bc/0xb34 [ 45.647533][ T4581] nbd_ioctl+0x420/0xc2c [ 45.648500][ T4581] blkdev_ioctl+0x3d8/0xbd0 [ 45.649499][ T4581] block_ioctl+0xa8/0x114 [ 45.650458][ T4581] __arm64_sys_ioctl+0x14c/0x1c8 executing program [ 45.651580][ T4581] invoke_syscall+0x98/0x2b8 [ 45.652704][ T4581] el0_svc_common+0x138/0x258 [ 45.653786][ T4581] do_el0_svc+0x58/0x14c [ 45.654749][ T4581] el0_svc+0x7c/0x1f0 [ 45.655667][ T4581] el0t_64_sync_handler+0x84/0xe4 [ 45.656827][ T4581] el0t_64_sync+0x1a0/0x1a4 [ 45.658796][ T4578] block nbd2: Failed to create debugfs dir for 'nbd2' [ 45.665814][ T4581] debugfs: out of free dentries, can not create directory 'nbd1' [ 45.675291][ T4581] block nbd1: Failed to create debugfs dir for 'nbd1' executing program executing program [ 45.705628][ T4585] block nbd0: shutting down sockets [ 45.710051][ T4585] FAULT_INJECTION: forcing a failure. [ 45.710051][ T4585] name failslab, interval 1, probability 0, space 0, times 0 [ 45.712897][ T4585] CPU: 0 PID: 4585 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.714703][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.716980][ T4585] Call trace: [ 45.717693][ T4585] dump_backtrace+0x0/0x530 [ 45.718675][ T4585] show_stack+0x2c/0x3c [ 45.719676][ T4585] dump_stack_lvl+0x108/0x170 [ 45.720696][ T4585] dump_stack+0x1c/0x58 [ 45.721666][ T4585] should_fail+0x3b8/0x514 [ 45.722619][ T4585] __should_failslab+0xbc/0x110 [ 45.723767][ T4585] should_failslab+0x10/0x28 [ 45.724809][ T4585] slab_pre_alloc_hook+0x64/0xe8 [ 45.725905][ T4585] kmem_cache_alloc+0x98/0x45c [ 45.727004][ T4585] radix_tree_node_alloc+0x184/0x360 [ 45.728249][ T4585] idr_get_free+0x240/0x8b0 [ 45.729329][ T4585] idr_alloc_cyclic+0x18c/0x4f4 [ 45.730458][ T4585] __kernfs_new_node+0x124/0x684 [ 45.731673][ T4585] kernfs_new_node+0x98/0x194 [ 45.732733][ T4585] __kernfs_create_file+0x60/0x2d4 [ 45.733847][ T4585] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 45.735127][ T4585] sysfs_create_file_ns+0x144/0x254 [ 45.736362][ T4585] device_create_file+0xfc/0x1b0 [ 45.737486][ T4585] nbd_start_device+0x340/0xb34 [ 45.738596][ T4585] nbd_ioctl+0x420/0xc2c [ 45.739570][ T4585] blkdev_ioctl+0x3d8/0xbd0 [ 45.740579][ T4585] block_ioctl+0xa8/0x114 [ 45.741563][ T4585] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.742713][ T4585] invoke_syscall+0x98/0x2b8 [ 45.743752][ T4585] el0_svc_common+0x138/0x258 [ 45.744749][ T4585] do_el0_svc+0x58/0x14c [ 45.745758][ T4585] el0_svc+0x7c/0x1f0 [ 45.746656][ T4585] el0t_64_sync_handler+0x84/0xe4 [ 45.747803][ T4585] el0t_64_sync+0x1a0/0x1a4 executing program [ 45.785475][ T4595] block nbd2: shutting down sockets [ 45.785880][ T4596] block nbd4: shutting down sockets [ 45.795633][ T4597] block nbd3: shutting down sockets [ 45.797088][ T4589] FAULT_INJECTION: forcing a failure. [ 45.797088][ T4589] name failslab, interval 1, probability 0, space 0, times 0 [ 45.797274][ T4594] block nbd1: shutting down sockets [ 45.799854][ T4589] CPU: 0 PID: 4589 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.802964][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.805272][ T4589] Call trace: [ 45.806014][ T4589] dump_backtrace+0x0/0x530 [ 45.807113][ T4589] show_stack+0x2c/0x3c [ 45.808114][ T4589] dump_stack_lvl+0x108/0x170 [ 45.809215][ T4589] dump_stack+0x1c/0x58 [ 45.810211][ T4589] should_fail+0x3b8/0x514 [ 45.811284][ T4589] __should_failslab+0xbc/0x110 [ 45.812525][ T4589] should_failslab+0x10/0x28 [ 45.813672][ T4589] slab_pre_alloc_hook+0x64/0xe8 [ 45.814822][ T4589] kmem_cache_alloc+0x98/0x45c [ 45.815948][ T4589] __d_alloc+0x3c/0x6a8 [ 45.816868][ T4589] d_alloc_parallel+0xb8/0x11bc [ 45.818016][ T4589] __lookup_slow+0x108/0x388 [ 45.819075][ T4589] lookup_one_len+0x178/0x28c [ 45.820289][ T4589] start_creating+0x19c/0x2e0 [ 45.821445][ T4589] debugfs_create_dir+0x34/0x420 [ 45.822596][ T4589] nbd_start_device+0x3bc/0xb34 [ 45.823667][ T4589] nbd_ioctl+0x420/0xc2c [ 45.824680][ T4589] blkdev_ioctl+0x3d8/0xbd0 [ 45.825644][ T4589] block_ioctl+0xa8/0x114 [ 45.826674][ T4589] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.827852][ T4589] invoke_syscall+0x98/0x2b8 [ 45.828925][ T4589] el0_svc_common+0x138/0x258 [ 45.829911][ T4589] do_el0_svc+0x58/0x14c [ 45.830898][ T4589] el0_svc+0x7c/0x1f0 [ 45.831939][ T4589] el0t_64_sync_handler+0x84/0xe4 [ 45.833070][ T4589] el0t_64_sync+0x1a0/0x1a4 [ 45.835326][ T4589] block nbd4: Failed to create debugfs dir for 'nbd4' [ 45.838731][ T4592] FAULT_INJECTION: forcing a failure. [ 45.838731][ T4592] name failslab, interval 1, probability 0, space 0, times 0 [ 45.841915][ T4592] CPU: 1 PID: 4592 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.843862][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.846283][ T4592] Call trace: [ 45.847056][ T4592] dump_backtrace+0x0/0x530 [ 45.848118][ T4592] show_stack+0x2c/0x3c [ 45.849098][ T4592] dump_stack_lvl+0x108/0x170 [ 45.850172][ T4592] dump_stack+0x1c/0x58 [ 45.851104][ T4592] should_fail+0x3b8/0x514 [ 45.852160][ T4592] __should_failslab+0xbc/0x110 [ 45.853281][ T4592] should_failslab+0x10/0x28 [ 45.854317][ T4592] slab_pre_alloc_hook+0x64/0xe8 [ 45.855484][ T4592] kmem_cache_alloc+0x98/0x45c [ 45.856553][ T4592] new_inode_pseudo+0x110/0x200 [ 45.857654][ T4592] new_inode+0x38/0x174 [ 45.858567][ T4592] debugfs_create_dir+0xf0/0x420 [ 45.859661][ T4592] nbd_start_device+0x3bc/0xb34 [ 45.860785][ T4592] nbd_ioctl+0x420/0xc2c [ 45.861811][ T4592] blkdev_ioctl+0x3d8/0xbd0 [ 45.862850][ T4592] block_ioctl+0xa8/0x114 [ 45.863901][ T4592] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.865004][ T4592] invoke_syscall+0x98/0x2b8 [ 45.866052][ T4592] el0_svc_common+0x138/0x258 [ 45.867171][ T4592] do_el0_svc+0x58/0x14c [ 45.868106][ T4592] el0_svc+0x7c/0x1f0 [ 45.869071][ T4592] el0t_64_sync_handler+0x84/0xe4 [ 45.870234][ T4592] el0t_64_sync+0x1a0/0x1a4 [ 45.872770][ T4592] debugfs: out of free dentries, can not create directory 'nbd2' executing program [ 45.875100][ T4594] FAULT_INJECTION: forcing a failure. [ 45.875100][ T4594] name failslab, interval 1, probability 0, space 0, times 0 [ 45.875670][ T4601] block nbd0: shutting down sockets [ 45.878647][ T4594] CPU: 1 PID: 4594 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.881193][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.883506][ T4594] Call trace: [ 45.884245][ T4594] dump_backtrace+0x0/0x530 [ 45.885286][ T4594] show_stack+0x2c/0x3c [ 45.886252][ T4594] dump_stack_lvl+0x108/0x170 [ 45.887325][ T4594] dump_stack+0x1c/0x58 [ 45.888279][ T4594] should_fail+0x3b8/0x514 [ 45.889309][ T4594] __should_failslab+0xbc/0x110 [ 45.890465][ T4594] should_failslab+0x10/0x28 [ 45.891507][ T4594] slab_pre_alloc_hook+0x64/0xe8 [ 45.892657][ T4594] kmem_cache_alloc+0x98/0x45c [ 45.893830][ T4594] new_inode_pseudo+0x110/0x200 [ 45.895044][ T4594] new_inode+0x38/0x174 [ 45.895987][ T4594] debugfs_create_dir+0xf0/0x420 [ 45.897230][ T4594] nbd_start_device+0x3bc/0xb34 [ 45.898373][ T4594] nbd_ioctl+0x420/0xc2c [ 45.899413][ T4594] blkdev_ioctl+0x3d8/0xbd0 [ 45.900473][ T4594] block_ioctl+0xa8/0x114 [ 45.901489][ T4594] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.902662][ T4594] invoke_syscall+0x98/0x2b8 [ 45.903692][ T4594] el0_svc_common+0x138/0x258 [ 45.904828][ T4594] do_el0_svc+0x58/0x14c [ 45.905130][ T4592] block nbd2: Failed to create debugfs dir for 'nbd2' [ 45.905833][ T4594] el0_svc+0x7c/0x1f0 [ 45.908392][ T4594] el0t_64_sync_handler+0x84/0xe4 [ 45.909621][ T4594] el0t_64_sync+0x1a0/0x1a4 [ 45.911950][ T4594] debugfs: out of free dentries, can not create directory 'nbd1' [ 45.914269][ T4587] FAULT_INJECTION: forcing a failure. [ 45.914269][ T4587] name failslab, interval 1, probability 0, space 0, times 0 [ 45.915929][ T4594] block nbd1: Failed to create debugfs dir for 'nbd1' [ 45.917537][ T4587] CPU: 1 PID: 4587 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.920720][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.922912][ T4587] Call trace: [ 45.923603][ T4587] dump_backtrace+0x0/0x530 [ 45.924612][ T4587] show_stack+0x2c/0x3c [ 45.925512][ T4587] dump_stack_lvl+0x108/0x170 [ 45.926534][ T4587] dump_stack+0x1c/0x58 [ 45.927491][ T4587] should_fail+0x3b8/0x514 [ 45.928520][ T4587] __should_failslab+0xbc/0x110 [ 45.929683][ T4587] should_failslab+0x10/0x28 [ 45.930740][ T4587] slab_pre_alloc_hook+0x64/0xe8 [ 45.931907][ T4587] kmem_cache_alloc+0x98/0x45c [ 45.932991][ T4587] new_inode_pseudo+0x110/0x200 [ 45.934166][ T4587] new_inode+0x38/0x174 [ 45.935098][ T4587] debugfs_create_dir+0xf0/0x420 [ 45.936290][ T4587] nbd_start_device+0x3bc/0xb34 [ 45.937389][ T4587] nbd_ioctl+0x420/0xc2c [ 45.938371][ T4587] blkdev_ioctl+0x3d8/0xbd0 [ 45.939392][ T4587] block_ioctl+0xa8/0x114 [ 45.940377][ T4587] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.941495][ T4587] invoke_syscall+0x98/0x2b8 executing program [ 45.942557][ T4587] el0_svc_common+0x138/0x258 [ 45.943615][ T4587] do_el0_svc+0x58/0x14c [ 45.944601][ T4587] el0_svc+0x7c/0x1f0 [ 45.945502][ T4587] el0t_64_sync_handler+0x84/0xe4 [ 45.946546][ T4587] el0t_64_sync+0x1a0/0x1a4 [ 45.948256][ T4587] debugfs: out of free dentries, can not create directory 'nbd3' [ 45.950106][ T4600] FAULT_INJECTION: forcing a failure. [ 45.950106][ T4600] name failslab, interval 1, probability 0, space 0, times 0 [ 45.951773][ T4587] block nbd3: Failed to create debugfs dir for 'nbd3' [ 45.952960][ T4600] CPU: 1 PID: 4600 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 45.956469][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 45.958770][ T4600] Call trace: [ 45.959528][ T4600] dump_backtrace+0x0/0x530 [ 45.960546][ T4600] show_stack+0x2c/0x3c executing program [ 45.961574][ T4600] dump_stack_lvl+0x108/0x170 [ 45.962688][ T4600] dump_stack+0x1c/0x58 [ 45.963685][ T4600] should_fail+0x3b8/0x514 [ 45.964674][ T4600] __should_failslab+0xbc/0x110 [ 45.965753][ T4600] should_failslab+0x10/0x28 [ 45.966794][ T4600] slab_pre_alloc_hook+0x64/0xe8 [ 45.967919][ T4600] kmem_cache_alloc+0x98/0x45c [ 45.969042][ T4600] new_inode_pseudo+0x110/0x200 [ 45.970158][ T4600] new_inode+0x38/0x174 [ 45.971073][ T4600] debugfs_create_dir+0xf0/0x420 [ 45.972240][ T4600] nbd_start_device+0x3bc/0xb34 [ 45.973417][ T4600] nbd_ioctl+0x420/0xc2c [ 45.974490][ T4600] blkdev_ioctl+0x3d8/0xbd0 [ 45.975614][ T4600] block_ioctl+0xa8/0x114 [ 45.976713][ T4600] __arm64_sys_ioctl+0x14c/0x1c8 [ 45.977956][ T4600] invoke_syscall+0x98/0x2b8 [ 45.979084][ T4600] el0_svc_common+0x138/0x258 [ 45.980211][ T4600] do_el0_svc+0x58/0x14c [ 45.981198][ T4600] el0_svc+0x7c/0x1f0 [ 45.982176][ T4600] el0t_64_sync_handler+0x84/0xe4 [ 45.983328][ T4600] el0t_64_sync+0x1a0/0x1a4 [ 45.997097][ T4603] block nbd4: shutting down sockets [ 46.005686][ T4600] debugfs: out of free dentries, can not create directory 'nbd0' [ 46.008008][ T4600] block nbd0: Failed to create debugfs dir for 'nbd0' [ 46.012540][ T4603] FAULT_INJECTION: forcing a failure. [ 46.012540][ T4603] name failslab, interval 1, probability 0, space 0, times 0 [ 46.025172][ T4603] CPU: 1 PID: 4603 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 46.027139][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.029438][ T4603] Call trace: [ 46.030225][ T4603] dump_backtrace+0x0/0x530 [ 46.031213][ T4603] show_stack+0x2c/0x3c [ 46.032104][ T4603] dump_stack_lvl+0x108/0x170 [ 46.033170][ T4603] dump_stack+0x1c/0x58 [ 46.034132][ T4603] should_fail+0x3b8/0x514 [ 46.035153][ T4603] __should_failslab+0xbc/0x110 [ 46.036335][ T4603] should_failslab+0x10/0x28 [ 46.037319][ T4603] slab_pre_alloc_hook+0x64/0xe8 [ 46.038482][ T4603] kmem_cache_alloc+0x98/0x45c [ 46.039529][ T4603] new_inode_pseudo+0x110/0x200 [ 46.040649][ T4603] new_inode+0x38/0x174 [ 46.041586][ T4603] debugfs_create_dir+0xf0/0x420 [ 46.042728][ T4603] nbd_start_device+0x3bc/0xb34 [ 46.043905][ T4603] nbd_ioctl+0x420/0xc2c [ 46.044849][ T4603] blkdev_ioctl+0x3d8/0xbd0 [ 46.045915][ T4603] block_ioctl+0xa8/0x114 [ 46.046931][ T4603] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.048117][ T4603] invoke_syscall+0x98/0x2b8 [ 46.049267][ T4603] el0_svc_common+0x138/0x258 [ 46.050441][ T4603] do_el0_svc+0x58/0x14c [ 46.051491][ T4603] el0_svc+0x7c/0x1f0 [ 46.052451][ T4603] el0t_64_sync_handler+0x84/0xe4 [ 46.053673][ T4603] el0t_64_sync+0x1a0/0x1a4 [ 46.055575][ T4611] block nbd2: shutting down sockets [ 46.058731][ T4603] debugfs: out of free dentries, can not create directory 'nbd4' [ 46.060641][ T4603] block nbd4: Failed to create debugfs dir for 'nbd4' [ 46.076509][ T4607] block nbd1: shutting down sockets executing program [ 46.086138][ T4605] FAULT_INJECTION: forcing a failure. [ 46.086138][ T4605] name failslab, interval 1, probability 0, space 0, times 0 [ 46.089381][ T4605] CPU: 1 PID: 4605 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.091398][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.093743][ T4605] Call trace: executing program [ 46.094525][ T4605] dump_backtrace+0x0/0x530 [ 46.095686][ T4605] show_stack+0x2c/0x3c [ 46.096723][ T4605] dump_stack_lvl+0x108/0x170 [ 46.097888][ T4605] dump_stack+0x1c/0x58 [ 46.098909][ T4605] should_fail+0x3b8/0x514 [ 46.100000][ T4605] __should_failslab+0xbc/0x110 [ 46.101198][ T4605] should_failslab+0x10/0x28 [ 46.102367][ T4605] slab_pre_alloc_hook+0x64/0xe8 [ 46.103564][ T4605] kmem_cache_alloc+0x98/0x45c [ 46.104664][ T4605] __d_alloc+0x3c/0x6a8 [ 46.105634][ T4605] d_alloc_parallel+0xb8/0x11bc [ 46.106832][ T4605] __lookup_slow+0x108/0x388 [ 46.107985][ T4605] lookup_one_len+0x178/0x28c [ 46.109083][ T4605] start_creating+0x19c/0x2e0 [ 46.110206][ T4605] debugfs_create_dir+0x34/0x420 [ 46.111416][ T4605] nbd_start_device+0x3bc/0xb34 [ 46.112552][ T4605] nbd_ioctl+0x420/0xc2c [ 46.113558][ T4605] blkdev_ioctl+0x3d8/0xbd0 [ 46.114619][ T4605] block_ioctl+0xa8/0x114 [ 46.115685][ T4605] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.116899][ T4605] invoke_syscall+0x98/0x2b8 [ 46.118014][ T4605] el0_svc_common+0x138/0x258 [ 46.119281][ T4605] do_el0_svc+0x58/0x14c [ 46.120258][ T4605] el0_svc+0x7c/0x1f0 [ 46.121153][ T4605] el0t_64_sync_handler+0x84/0xe4 [ 46.122134][ T4605] el0t_64_sync+0x1a0/0x1a4 [ 46.124603][ T4607] FAULT_INJECTION: forcing a failure. [ 46.124603][ T4607] name failslab, interval 1, probability 0, space 0, times 0 [ 46.125726][ T4605] block nbd2: Failed to create debugfs dir for 'nbd2' [ 46.128524][ T4607] CPU: 1 PID: 4607 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.131067][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.133493][ T4607] Call trace: [ 46.134232][ T4607] dump_backtrace+0x0/0x530 [ 46.135306][ T4607] show_stack+0x2c/0x3c [ 46.136302][ T4607] dump_stack_lvl+0x108/0x170 [ 46.137258][ T4617] block nbd0: shutting down sockets [ 46.137465][ T4607] dump_stack+0x1c/0x58 [ 46.137479][ T4607] should_fail+0x3b8/0x514 [ 46.137491][ T4607] __should_failslab+0xbc/0x110 [ 46.141786][ T4607] should_failslab+0x10/0x28 [ 46.142863][ T4607] slab_pre_alloc_hook+0x64/0xe8 [ 46.144015][ T4607] kmem_cache_alloc+0x98/0x45c [ 46.145145][ T4607] __d_alloc+0x3c/0x6a8 [ 46.146170][ T4607] d_alloc_parallel+0xb8/0x11bc [ 46.147290][ T4607] __lookup_slow+0x108/0x388 [ 46.148411][ T4607] lookup_one_len+0x178/0x28c [ 46.149502][ T4607] start_creating+0x19c/0x2e0 [ 46.150621][ T4607] debugfs_create_dir+0x34/0x420 [ 46.151688][ T4607] nbd_start_device+0x3bc/0xb34 [ 46.152809][ T4607] nbd_ioctl+0x420/0xc2c [ 46.153750][ T4607] blkdev_ioctl+0x3d8/0xbd0 [ 46.154834][ T4607] block_ioctl+0xa8/0x114 [ 46.155814][ T4607] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.156952][ T4607] invoke_syscall+0x98/0x2b8 [ 46.158079][ T4607] el0_svc_common+0x138/0x258 [ 46.159100][ T4607] do_el0_svc+0x58/0x14c [ 46.160046][ T4607] el0_svc+0x7c/0x1f0 [ 46.160921][ T4607] el0t_64_sync_handler+0x84/0xe4 [ 46.162103][ T4607] el0t_64_sync+0x1a0/0x1a4 [ 46.165891][ T4616] block nbd3: shutting down sockets [ 46.166859][ T4607] block nbd1: Failed to create debugfs dir for 'nbd1' [ 46.169005][ T4610] FAULT_INJECTION: forcing a failure. [ 46.169005][ T4610] name failslab, interval 1, probability 0, space 0, times 0 [ 46.172357][ T4610] CPU: 1 PID: 4610 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.174393][ T4610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.176599][ T4610] Call trace: [ 46.177333][ T4610] dump_backtrace+0x0/0x530 [ 46.178425][ T4610] show_stack+0x2c/0x3c [ 46.179367][ T4610] dump_stack_lvl+0x108/0x170 [ 46.180482][ T4610] dump_stack+0x1c/0x58 [ 46.181463][ T4610] should_fail+0x3b8/0x514 [ 46.182469][ T4610] __should_failslab+0xbc/0x110 [ 46.183604][ T4610] should_failslab+0x10/0x28 [ 46.184717][ T4610] slab_pre_alloc_hook+0x64/0xe8 [ 46.185512][ T4615] block nbd4: shutting down sockets [ 46.185889][ T4610] kmem_cache_alloc+0x98/0x45c [ 46.188229][ T4610] new_inode_pseudo+0x110/0x200 [ 46.189373][ T4610] new_inode+0x38/0x174 [ 46.190406][ T4610] debugfs_create_dir+0xf0/0x420 [ 46.191514][ T4610] nbd_start_device+0x3bc/0xb34 [ 46.192653][ T4610] nbd_ioctl+0x420/0xc2c executing program [ 46.193583][ T4610] blkdev_ioctl+0x3d8/0xbd0 [ 46.194647][ T4610] block_ioctl+0xa8/0x114 [ 46.195680][ T4610] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.196876][ T4610] invoke_syscall+0x98/0x2b8 [ 46.197885][ T4610] el0_svc_common+0x138/0x258 [ 46.198984][ T4610] do_el0_svc+0x58/0x14c [ 46.200009][ T4610] el0_svc+0x7c/0x1f0 [ 46.200969][ T4610] el0t_64_sync_handler+0x84/0xe4 [ 46.202238][ T4610] el0t_64_sync+0x1a0/0x1a4 [ 46.204159][ T4610] debugfs: out of free dentries, can not create directory 'nbd0' [ 46.206196][ T4616] FAULT_INJECTION: forcing a failure. [ 46.206196][ T4616] name failslab, interval 1, probability 0, space 0, times 0 [ 46.209436][ T4616] CPU: 1 PID: 4616 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.211482][ T4616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.213797][ T4616] Call trace: [ 46.214555][ T4616] dump_backtrace+0x0/0x530 [ 46.215602][ T4616] show_stack+0x2c/0x3c [ 46.215694][ T4610] block nbd0: Failed to create debugfs dir for 'nbd0' [ 46.216602][ T4616] dump_stack_lvl+0x108/0x170 [ 46.216617][ T4616] dump_stack+0x1c/0x58 [ 46.216626][ T4616] should_fail+0x3b8/0x514 [ 46.221500][ T4616] __should_failslab+0xbc/0x110 [ 46.222556][ T4616] should_failslab+0x10/0x28 [ 46.223564][ T4616] slab_pre_alloc_hook+0x64/0xe8 [ 46.224673][ T4616] kmem_cache_alloc+0x98/0x45c [ 46.225778][ T4616] new_inode_pseudo+0x110/0x200 [ 46.226869][ T4616] new_inode+0x38/0x174 [ 46.227882][ T4616] debugfs_create_dir+0xf0/0x420 [ 46.229035][ T4616] nbd_start_device+0x3bc/0xb34 [ 46.230177][ T4616] nbd_ioctl+0x420/0xc2c [ 46.231134][ T4616] blkdev_ioctl+0x3d8/0xbd0 [ 46.232153][ T4616] block_ioctl+0xa8/0x114 [ 46.233166][ T4616] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.234275][ T4616] invoke_syscall+0x98/0x2b8 [ 46.235409][ T4616] el0_svc_common+0x138/0x258 [ 46.236566][ T4616] do_el0_svc+0x58/0x14c [ 46.237508][ T4616] el0_svc+0x7c/0x1f0 [ 46.238390][ T4616] el0t_64_sync_handler+0x84/0xe4 [ 46.239518][ T4616] el0t_64_sync+0x1a0/0x1a4 executing program [ 46.242426][ T4616] debugfs: out of free dentries, can not create directory 'nbd3' [ 46.244588][ T4615] FAULT_INJECTION: forcing a failure. [ 46.244588][ T4615] name failslab, interval 1, probability 0, space 0, times 0 [ 46.247894][ T4615] CPU: 1 PID: 4615 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 46.249747][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.251969][ T4615] Call trace: [ 46.252698][ T4615] dump_backtrace+0x0/0x530 [ 46.253678][ T4615] show_stack+0x2c/0x3c [ 46.254354][ T4616] block nbd3: Failed to create debugfs dir for 'nbd3' [ 46.254604][ T4615] dump_stack_lvl+0x108/0x170 [ 46.257181][ T4615] dump_stack+0x1c/0x58 [ 46.258129][ T4615] should_fail+0x3b8/0x514 [ 46.259238][ T4615] __should_failslab+0xbc/0x110 [ 46.260349][ T4615] should_failslab+0x10/0x28 [ 46.261399][ T4615] slab_pre_alloc_hook+0x64/0xe8 [ 46.262554][ T4615] kmem_cache_alloc+0x98/0x45c [ 46.263662][ T4615] new_inode_pseudo+0x110/0x200 [ 46.264787][ T4615] new_inode+0x38/0x174 [ 46.265684][ T4615] debugfs_create_dir+0xf0/0x420 [ 46.266819][ T4615] nbd_start_device+0x3bc/0xb34 [ 46.267947][ T4615] nbd_ioctl+0x420/0xc2c [ 46.268915][ T4615] blkdev_ioctl+0x3d8/0xbd0 [ 46.269962][ T4615] block_ioctl+0xa8/0x114 [ 46.270888][ T4615] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.271999][ T4615] invoke_syscall+0x98/0x2b8 [ 46.273071][ T4615] el0_svc_common+0x138/0x258 [ 46.274043][ T4615] do_el0_svc+0x58/0x14c [ 46.274991][ T4615] el0_svc+0x7c/0x1f0 [ 46.275861][ T4615] el0t_64_sync_handler+0x84/0xe4 [ 46.277043][ T4615] el0t_64_sync+0x1a0/0x1a4 [ 46.279083][ T4615] debugfs: out of free dentries, can not create directory 'nbd4' executing program [ 46.281578][ T4615] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 46.297188][ T4619] block nbd2: shutting down sockets [ 46.306188][ T4628] block nbd3: shutting down sockets [ 46.306421][ T4619] FAULT_INJECTION: forcing a failure. [ 46.306421][ T4619] name failslab, interval 1, probability 0, space 0, times 0 [ 46.310480][ T4619] CPU: 0 PID: 4619 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.312374][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.314704][ T4619] Call trace: [ 46.315504][ T4619] dump_backtrace+0x0/0x530 [ 46.316575][ T4619] show_stack+0x2c/0x3c [ 46.317511][ T4619] dump_stack_lvl+0x108/0x170 [ 46.318533][ T4619] dump_stack+0x1c/0x58 [ 46.319422][ T4619] should_fail+0x3b8/0x514 [ 46.320455][ T4619] __should_failslab+0xbc/0x110 [ 46.321596][ T4619] should_failslab+0x10/0x28 [ 46.322638][ T4619] slab_pre_alloc_hook+0x64/0xe8 [ 46.323756][ T4619] kmem_cache_alloc+0x98/0x45c [ 46.324900][ T4619] __d_alloc+0x3c/0x6a8 [ 46.325862][ T4619] d_alloc_parallel+0xb8/0x11bc [ 46.326970][ T4619] __lookup_slow+0x108/0x388 [ 46.328162][ T4619] lookup_one_len+0x178/0x28c [ 46.329283][ T4619] start_creating+0x19c/0x2e0 [ 46.330350][ T4619] debugfs_create_dir+0x34/0x420 [ 46.331396][ T4619] nbd_start_device+0x3bc/0xb34 [ 46.332503][ T4619] nbd_ioctl+0x420/0xc2c [ 46.333514][ T4619] blkdev_ioctl+0x3d8/0xbd0 [ 46.334622][ T4619] block_ioctl+0xa8/0x114 [ 46.335617][ T4619] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.336723][ T4619] invoke_syscall+0x98/0x2b8 [ 46.337726][ T4619] el0_svc_common+0x138/0x258 [ 46.338854][ T4619] do_el0_svc+0x58/0x14c [ 46.339808][ T4619] el0_svc+0x7c/0x1f0 [ 46.340671][ T4619] el0t_64_sync_handler+0x84/0xe4 [ 46.341993][ T4619] el0t_64_sync+0x1a0/0x1a4 [ 46.343490][ T4619] block nbd2: Failed to create debugfs dir for 'nbd2' [ 46.345723][ T4628] FAULT_INJECTION: forcing a failure. [ 46.345723][ T4628] name failslab, interval 1, probability 0, space 0, times 0 [ 46.349600][ T4628] CPU: 1 PID: 4628 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.351515][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.353814][ T4628] Call trace: [ 46.354551][ T4628] dump_backtrace+0x0/0x530 [ 46.355525][ T4628] show_stack+0x2c/0x3c [ 46.356479][ T4628] dump_stack_lvl+0x108/0x170 [ 46.357571][ T4628] dump_stack+0x1c/0x58 [ 46.358603][ T4628] should_fail+0x3b8/0x514 [ 46.359619][ T4628] __should_failslab+0xbc/0x110 [ 46.360782][ T4628] should_failslab+0x10/0x28 [ 46.361921][ T4628] slab_pre_alloc_hook+0x64/0xe8 [ 46.363060][ T4628] kmem_cache_alloc+0x98/0x45c [ 46.364203][ T4628] new_inode_pseudo+0x110/0x200 [ 46.365422][ T4628] new_inode+0x38/0x174 [ 46.366390][ T4628] debugfs_create_dir+0xf0/0x420 [ 46.367569][ T4628] nbd_start_device+0x3bc/0xb34 executing program [ 46.368650][ T4628] nbd_ioctl+0x420/0xc2c [ 46.369640][ T4628] blkdev_ioctl+0x3d8/0xbd0 [ 46.370746][ T4628] block_ioctl+0xa8/0x114 [ 46.371729][ T4628] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.372871][ T4628] invoke_syscall+0x98/0x2b8 [ 46.373917][ T4628] el0_svc_common+0x138/0x258 [ 46.374984][ T4628] do_el0_svc+0x58/0x14c [ 46.375947][ T4628] el0_svc+0x7c/0x1f0 [ 46.376900][ T4628] el0t_64_sync_handler+0x84/0xe4 [ 46.378154][ T4628] el0t_64_sync+0x1a0/0x1a4 [ 46.382143][ T4632] block nbd0: shutting down sockets [ 46.382280][ T4628] debugfs: out of free dentries, can not create directory 'nbd3' [ 46.385408][ T4628] block nbd3: Failed to create debugfs dir for 'nbd3' [ 46.395627][ T4631] block nbd1: shutting down sockets [ 46.396787][ T4635] block nbd4: shutting down sockets [ 46.399124][ T4624] FAULT_INJECTION: forcing a failure. [ 46.399124][ T4624] name failslab, interval 1, probability 0, space 0, times 0 [ 46.402058][ T4624] CPU: 1 PID: 4624 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.403980][ T4624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.406192][ T4624] Call trace: [ 46.406972][ T4624] dump_backtrace+0x0/0x530 [ 46.407975][ T4624] show_stack+0x2c/0x3c [ 46.408994][ T4624] dump_stack_lvl+0x108/0x170 [ 46.409992][ T4624] dump_stack+0x1c/0x58 [ 46.411047][ T4624] should_fail+0x3b8/0x514 [ 46.412135][ T4624] __should_failslab+0xbc/0x110 [ 46.413251][ T4624] should_failslab+0x10/0x28 [ 46.414236][ T4624] slab_pre_alloc_hook+0x64/0xe8 [ 46.415387][ T4624] kmem_cache_alloc+0x98/0x45c executing program [ 46.416439][ T4624] __d_alloc+0x3c/0x6a8 [ 46.417462][ T4624] d_alloc_parallel+0xb8/0x11bc [ 46.418618][ T4624] __lookup_slow+0x108/0x388 [ 46.419681][ T4624] lookup_one_len+0x178/0x28c [ 46.420716][ T4624] start_creating+0x19c/0x2e0 [ 46.421849][ T4624] debugfs_create_dir+0x34/0x420 [ 46.423054][ T4624] nbd_start_device+0x3bc/0xb34 [ 46.424136][ T4624] nbd_ioctl+0x420/0xc2c [ 46.425113][ T4624] blkdev_ioctl+0x3d8/0xbd0 [ 46.426222][ T4624] block_ioctl+0xa8/0x114 [ 46.427225][ T4624] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.428283][ T4624] invoke_syscall+0x98/0x2b8 [ 46.429348][ T4624] el0_svc_common+0x138/0x258 [ 46.430428][ T4624] do_el0_svc+0x58/0x14c [ 46.431456][ T4624] el0_svc+0x7c/0x1f0 [ 46.432389][ T4624] el0t_64_sync_handler+0x84/0xe4 [ 46.433555][ T4624] el0t_64_sync+0x1a0/0x1a4 [ 46.436170][ T4626] FAULT_INJECTION: forcing a failure. [ 46.436170][ T4626] name failslab, interval 1, probability 0, space 0, times 0 [ 46.437088][ T4624] block nbd1: Failed to create debugfs dir for 'nbd1' [ 46.439804][ T4626] CPU: 1 PID: 4626 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.442372][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.444612][ T4626] Call trace: [ 46.445317][ T4626] dump_backtrace+0x0/0x530 [ 46.446386][ T4626] show_stack+0x2c/0x3c [ 46.447357][ T4626] dump_stack_lvl+0x108/0x170 [ 46.448361][ T4626] dump_stack+0x1c/0x58 [ 46.449369][ T4626] should_fail+0x3b8/0x514 [ 46.450294][ T4626] __should_failslab+0xbc/0x110 [ 46.451450][ T4626] should_failslab+0x10/0x28 [ 46.452555][ T4626] slab_pre_alloc_hook+0x64/0xe8 [ 46.453586][ T4626] kmem_cache_alloc+0x98/0x45c [ 46.454669][ T4626] new_inode_pseudo+0x110/0x200 [ 46.455787][ T4626] new_inode+0x38/0x174 [ 46.456775][ T4626] debugfs_create_dir+0xf0/0x420 [ 46.457891][ T4626] nbd_start_device+0x3bc/0xb34 executing program [ 46.458948][ T4626] nbd_ioctl+0x420/0xc2c [ 46.459884][ T4626] blkdev_ioctl+0x3d8/0xbd0 [ 46.460851][ T4626] block_ioctl+0xa8/0x114 [ 46.461846][ T4626] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.462944][ T4626] invoke_syscall+0x98/0x2b8 [ 46.463988][ T4626] el0_svc_common+0x138/0x258 [ 46.465050][ T4626] do_el0_svc+0x58/0x14c [ 46.465978][ T4626] el0_svc+0x7c/0x1f0 [ 46.466839][ T4626] el0t_64_sync_handler+0x84/0xe4 [ 46.467950][ T4626] el0t_64_sync+0x1a0/0x1a4 [ 46.469166][ T4626] debugfs: out of free dentries, can not create directory 'nbd0' [ 46.470939][ T4630] FAULT_INJECTION: forcing a failure. [ 46.470939][ T4630] name failslab, interval 1, probability 0, space 0, times 0 [ 46.473857][ T4630] CPU: 1 PID: 4630 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.475708][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.477884][ T4630] Call trace: [ 46.478597][ T4630] dump_backtrace+0x0/0x530 [ 46.479564][ T4630] show_stack+0x2c/0x3c [ 46.480554][ T4630] dump_stack_lvl+0x108/0x170 [ 46.481489][ T4630] dump_stack+0x1c/0x58 [ 46.482251][ T4630] should_fail+0x3b8/0x514 [ 46.483046][ T4630] __should_failslab+0xbc/0x110 [ 46.483914][ T4630] should_failslab+0x10/0x28 [ 46.484757][ T4630] slab_pre_alloc_hook+0x64/0xe8 [ 46.485674][ T4630] kmem_cache_alloc+0x98/0x45c [ 46.486726][ T4630] new_inode_pseudo+0x110/0x200 [ 46.487841][ T4630] new_inode+0x38/0x174 [ 46.488813][ T4630] debugfs_create_dir+0xf0/0x420 [ 46.489870][ T4630] nbd_start_device+0x3bc/0xb34 [ 46.490972][ T4630] nbd_ioctl+0x420/0xc2c [ 46.491920][ T4630] blkdev_ioctl+0x3d8/0xbd0 [ 46.492925][ T4630] block_ioctl+0xa8/0x114 [ 46.493882][ T4630] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.495016][ T4630] invoke_syscall+0x98/0x2b8 [ 46.496110][ T4630] el0_svc_common+0x138/0x258 [ 46.497189][ T4630] do_el0_svc+0x58/0x14c [ 46.498126][ T4630] el0_svc+0x7c/0x1f0 [ 46.499090][ T4630] el0t_64_sync_handler+0x84/0xe4 [ 46.500239][ T4630] el0t_64_sync+0x1a0/0x1a4 [ 46.502578][ T4626] block nbd0: Failed to create debugfs dir for 'nbd0' [ 46.504704][ T4630] debugfs: out of free dentries, can not create directory 'nbd4' [ 46.506777][ T4630] block nbd4: Failed to create debugfs dir for 'nbd4' executing program executing program [ 46.536090][ T4639] block nbd2: shutting down sockets [ 46.546175][ T4634] FAULT_INJECTION: forcing a failure. [ 46.546175][ T4634] name failslab, interval 1, probability 0, space 0, times 0 [ 46.549101][ T4634] CPU: 0 PID: 4634 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.551103][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.553322][ T4634] Call trace: [ 46.554020][ T4634] dump_backtrace+0x0/0x530 [ 46.555064][ T4634] show_stack+0x2c/0x3c [ 46.556050][ T4634] dump_stack_lvl+0x108/0x170 [ 46.557118][ T4634] dump_stack+0x1c/0x58 [ 46.558119][ T4634] should_fail+0x3b8/0x514 [ 46.559121][ T4634] __should_failslab+0xbc/0x110 [ 46.560223][ T4634] should_failslab+0x10/0x28 [ 46.561270][ T4634] slab_pre_alloc_hook+0x64/0xe8 [ 46.562476][ T4634] kmem_cache_alloc+0x98/0x45c [ 46.563660][ T4634] radix_tree_node_alloc+0x184/0x360 [ 46.564870][ T4634] idr_get_free+0x240/0x8b0 [ 46.565892][ T4634] idr_alloc_cyclic+0x18c/0x4f4 [ 46.567044][ T4634] __kernfs_new_node+0x124/0x684 [ 46.568207][ T4634] kernfs_new_node+0x98/0x194 [ 46.569355][ T4634] __kernfs_create_file+0x60/0x2d4 [ 46.570570][ T4634] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 46.571841][ T4634] sysfs_create_file_ns+0x144/0x254 [ 46.572958][ T4634] device_create_file+0xfc/0x1b0 [ 46.574092][ T4634] nbd_start_device+0x340/0xb34 [ 46.575226][ T4634] nbd_ioctl+0x420/0xc2c [ 46.576180][ T4634] blkdev_ioctl+0x3d8/0xbd0 [ 46.577197][ T4634] block_ioctl+0xa8/0x114 [ 46.578197][ T4634] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.579363][ T4634] invoke_syscall+0x98/0x2b8 [ 46.580403][ T4634] el0_svc_common+0x138/0x258 [ 46.581470][ T4634] do_el0_svc+0x58/0x14c [ 46.582436][ T4634] el0_svc+0x7c/0x1f0 [ 46.583418][ T4634] el0t_64_sync_handler+0x84/0xe4 [ 46.584522][ T4634] el0t_64_sync+0x1a0/0x1a4 [ 46.595940][ T4642] block nbd3: shutting down sockets [ 46.605561][ T4641] block nbd1: shutting down sockets [ 46.606754][ T4638] FAULT_INJECTION: forcing a failure. [ 46.606754][ T4638] name failslab, interval 1, probability 0, space 0, times 0 [ 46.609784][ T4638] CPU: 1 PID: 4638 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.611807][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.614126][ T4638] Call trace: [ 46.614831][ T4638] dump_backtrace+0x0/0x530 [ 46.615874][ T4638] show_stack+0x2c/0x3c [ 46.616961][ T4638] dump_stack_lvl+0x108/0x170 [ 46.618087][ T4638] dump_stack+0x1c/0x58 [ 46.619091][ T4638] should_fail+0x3b8/0x514 [ 46.620171][ T4638] __should_failslab+0xbc/0x110 [ 46.621281][ T4638] should_failslab+0x10/0x28 [ 46.622316][ T4638] slab_pre_alloc_hook+0x64/0xe8 [ 46.623488][ T4638] kmem_cache_alloc+0x98/0x45c [ 46.624582][ T4638] __d_alloc+0x3c/0x6a8 [ 46.625486][ T4638] d_alloc_parallel+0xb8/0x11bc executing program [ 46.626567][ T4638] __lookup_slow+0x108/0x388 [ 46.627550][ T4638] lookup_one_len+0x178/0x28c [ 46.628670][ T4638] start_creating+0x19c/0x2e0 [ 46.629726][ T4638] debugfs_create_dir+0x34/0x420 [ 46.630855][ T4638] nbd_start_device+0x3bc/0xb34 [ 46.631927][ T4638] nbd_ioctl+0x420/0xc2c [ 46.632905][ T4638] blkdev_ioctl+0x3d8/0xbd0 [ 46.633926][ T4638] block_ioctl+0xa8/0x114 [ 46.634856][ T4638] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.635972][ T4638] invoke_syscall+0x98/0x2b8 [ 46.637109][ T4638] el0_svc_common+0x138/0x258 [ 46.638199][ T4638] do_el0_svc+0x58/0x14c [ 46.639203][ T4638] el0_svc+0x7c/0x1f0 [ 46.640108][ T4638] el0t_64_sync_handler+0x84/0xe4 [ 46.641272][ T4638] el0t_64_sync+0x1a0/0x1a4 [ 46.642625][ T4641] FAULT_INJECTION: forcing a failure. [ 46.642625][ T4641] name failslab, interval 1, probability 0, space 0, times 0 [ 46.643972][ T4638] block nbd3: Failed to create debugfs dir for 'nbd3' [ 46.645625][ T4641] CPU: 1 PID: 4641 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.645642][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.651316][ T4641] Call trace: [ 46.652060][ T4641] dump_backtrace+0x0/0x530 [ 46.653118][ T4641] show_stack+0x2c/0x3c [ 46.654096][ T4641] dump_stack_lvl+0x108/0x170 [ 46.655140][ T4641] dump_stack+0x1c/0x58 [ 46.656070][ T4641] should_fail+0x3b8/0x514 [ 46.657113][ T4641] __should_failslab+0xbc/0x110 [ 46.658250][ T4641] should_failslab+0x10/0x28 [ 46.659334][ T4641] slab_pre_alloc_hook+0x64/0xe8 [ 46.660408][ T4641] kmem_cache_alloc+0x98/0x45c [ 46.661511][ T4641] new_inode_pseudo+0x110/0x200 [ 46.662730][ T4641] new_inode+0x38/0x174 [ 46.663707][ T4641] debugfs_create_dir+0xf0/0x420 [ 46.664888][ T4641] nbd_start_device+0x3bc/0xb34 [ 46.666005][ T4641] nbd_ioctl+0x420/0xc2c [ 46.667090][ T4641] blkdev_ioctl+0x3d8/0xbd0 [ 46.668128][ T4641] block_ioctl+0xa8/0x114 [ 46.669129][ T4641] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.670297][ T4641] invoke_syscall+0x98/0x2b8 executing program [ 46.671322][ T4641] el0_svc_common+0x138/0x258 [ 46.672429][ T4641] do_el0_svc+0x58/0x14c [ 46.673387][ T4641] el0_svc+0x7c/0x1f0 [ 46.674264][ T4641] el0t_64_sync_handler+0x84/0xe4 [ 46.675355][ T4641] el0t_64_sync+0x1a0/0x1a4 [ 46.676840][ T4641] debugfs: out of free dentries, can not create directory 'nbd1' [ 46.678626][ T4641] block nbd1: Failed to create debugfs dir for 'nbd1' [ 46.695478][ T4648] block nbd0: shutting down sockets [ 46.696236][ T4649] block nbd4: shutting down sockets [ 46.706382][ T4647] FAULT_INJECTION: forcing a failure. [ 46.706382][ T4647] name failslab, interval 1, probability 0, space 0, times 0 [ 46.709567][ T4647] CPU: 0 PID: 4647 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.711514][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.713857][ T4647] Call trace: executing program [ 46.714571][ T4647] dump_backtrace+0x0/0x530 [ 46.715575][ T4647] show_stack+0x2c/0x3c [ 46.716504][ T4647] dump_stack_lvl+0x108/0x170 [ 46.717654][ T4647] dump_stack+0x1c/0x58 [ 46.718683][ T4647] should_fail+0x3b8/0x514 [ 46.719774][ T4647] __should_failslab+0xbc/0x110 [ 46.720956][ T4647] should_failslab+0x10/0x28 [ 46.722111][ T4647] slab_pre_alloc_hook+0x64/0xe8 [ 46.723308][ T4647] kmem_cache_alloc+0x98/0x45c [ 46.724353][ T4647] __d_alloc+0x3c/0x6a8 [ 46.725380][ T4647] d_alloc_parallel+0xb8/0x11bc [ 46.726508][ T4647] __lookup_slow+0x108/0x388 [ 46.727618][ T4647] lookup_one_len+0x178/0x28c [ 46.728669][ T4647] start_creating+0x19c/0x2e0 [ 46.729775][ T4647] debugfs_create_dir+0x34/0x420 [ 46.730927][ T4647] nbd_start_device+0x3bc/0xb34 [ 46.732012][ T4647] nbd_ioctl+0x420/0xc2c [ 46.733130][ T4647] blkdev_ioctl+0x3d8/0xbd0 [ 46.734199][ T4647] block_ioctl+0xa8/0x114 [ 46.735203][ T4647] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.736319][ T4647] invoke_syscall+0x98/0x2b8 [ 46.737413][ T4647] el0_svc_common+0x138/0x258 [ 46.738501][ T4647] do_el0_svc+0x58/0x14c [ 46.739541][ T4647] el0_svc+0x7c/0x1f0 [ 46.740486][ T4647] el0t_64_sync_handler+0x84/0xe4 [ 46.741687][ T4647] el0t_64_sync+0x1a0/0x1a4 [ 46.745392][ T4645] FAULT_INJECTION: forcing a failure. [ 46.745392][ T4645] name failslab, interval 1, probability 0, space 0, times 0 [ 46.748639][ T4645] CPU: 1 PID: 4645 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.749641][ T4647] block nbd4: Failed to create debugfs dir for 'nbd4' [ 46.750574][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.754493][ T4645] Call trace: [ 46.755177][ T4645] dump_backtrace+0x0/0x530 [ 46.756265][ T4645] show_stack+0x2c/0x3c [ 46.757245][ T4645] dump_stack_lvl+0x108/0x170 [ 46.758372][ T4645] dump_stack+0x1c/0x58 [ 46.759328][ T4645] should_fail+0x3b8/0x514 [ 46.760393][ T4645] __should_failslab+0xbc/0x110 [ 46.761549][ T4645] should_failslab+0x10/0x28 [ 46.762606][ T4645] slab_pre_alloc_hook+0x64/0xe8 [ 46.763886][ T4645] kmem_cache_alloc+0x98/0x45c [ 46.764917][ T4645] new_inode_pseudo+0x110/0x200 [ 46.766039][ T4645] new_inode+0x38/0x174 [ 46.766947][ T4645] debugfs_create_dir+0xf0/0x420 [ 46.768146][ T4645] nbd_start_device+0x3bc/0xb34 [ 46.769264][ T4645] nbd_ioctl+0x420/0xc2c [ 46.770212][ T4645] blkdev_ioctl+0x3d8/0xbd0 [ 46.771338][ T4645] block_ioctl+0xa8/0x114 [ 46.772407][ T4645] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.773636][ T4645] invoke_syscall+0x98/0x2b8 [ 46.774795][ T4645] el0_svc_common+0x138/0x258 [ 46.775818][ T4645] do_el0_svc+0x58/0x14c [ 46.776748][ T4645] el0_svc+0x7c/0x1f0 [ 46.777590][ T4645] el0t_64_sync_handler+0x84/0xe4 [ 46.778852][ T4645] el0t_64_sync+0x1a0/0x1a4 executing program [ 46.783432][ T4651] block nbd2: shutting down sockets [ 46.783776][ T4645] debugfs: out of free dentries, can not create directory 'nbd0' [ 46.787148][ T4645] block nbd0: Failed to create debugfs dir for 'nbd0' [ 46.798739][ T4651] FAULT_INJECTION: forcing a failure. executing program [ 46.798739][ T4651] name failslab, interval 1, probability 0, space 0, times 0 [ 46.802139][ T4651] CPU: 1 PID: 4651 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.804119][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.805368][ T4657] block nbd3: shutting down sockets [ 46.806396][ T4651] Call trace: [ 46.806404][ T4651] dump_backtrace+0x0/0x530 [ 46.809273][ T4651] show_stack+0x2c/0x3c [ 46.810214][ T4651] dump_stack_lvl+0x108/0x170 [ 46.811260][ T4651] dump_stack+0x1c/0x58 [ 46.812193][ T4651] should_fail+0x3b8/0x514 [ 46.813171][ T4651] __should_failslab+0xbc/0x110 [ 46.814243][ T4651] should_failslab+0x10/0x28 [ 46.815249][ T4651] slab_pre_alloc_hook+0x64/0xe8 [ 46.816462][ T4651] kmem_cache_alloc+0x98/0x45c [ 46.817622][ T4651] __d_alloc+0x3c/0x6a8 [ 46.818582][ T4651] d_alloc_parallel+0xb8/0x11bc [ 46.819625][ T4651] __lookup_slow+0x108/0x388 [ 46.820667][ T4651] lookup_one_len+0x178/0x28c [ 46.821679][ T4651] start_creating+0x19c/0x2e0 [ 46.822818][ T4651] debugfs_create_dir+0x34/0x420 [ 46.823885][ T4651] nbd_start_device+0x3bc/0xb34 [ 46.824981][ T4651] nbd_ioctl+0x420/0xc2c [ 46.825903][ T4651] blkdev_ioctl+0x3d8/0xbd0 [ 46.826958][ T4651] block_ioctl+0xa8/0x114 [ 46.827943][ T4651] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.829063][ T4651] invoke_syscall+0x98/0x2b8 [ 46.830137][ T4651] el0_svc_common+0x138/0x258 [ 46.831231][ T4651] do_el0_svc+0x58/0x14c [ 46.832188][ T4651] el0_svc+0x7c/0x1f0 [ 46.833136][ T4651] el0t_64_sync_handler+0x84/0xe4 [ 46.834351][ T4651] el0t_64_sync+0x1a0/0x1a4 [ 46.835687][ T4651] block nbd2: Failed to create debugfs dir for 'nbd2' [ 46.837416][ T4653] FAULT_INJECTION: forcing a failure. [ 46.837416][ T4653] name failslab, interval 1, probability 0, space 0, times 0 [ 46.840422][ T4653] CPU: 1 PID: 4653 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.842369][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.844819][ T4653] Call trace: [ 46.845597][ T4653] dump_backtrace+0x0/0x530 [ 46.846587][ T4653] show_stack+0x2c/0x3c [ 46.847508][ T4653] dump_stack_lvl+0x108/0x170 [ 46.848517][ T4653] dump_stack+0x1c/0x58 [ 46.849474][ T4653] should_fail+0x3b8/0x514 [ 46.850518][ T4653] __should_failslab+0xbc/0x110 [ 46.851606][ T4653] should_failslab+0x10/0x28 [ 46.852643][ T4653] slab_pre_alloc_hook+0x64/0xe8 [ 46.853789][ T4653] kmem_cache_alloc+0x98/0x45c [ 46.854873][ T4653] new_inode_pseudo+0x110/0x200 [ 46.855948][ T4653] new_inode+0x38/0x174 [ 46.856897][ T4653] debugfs_create_dir+0xf0/0x420 [ 46.857977][ T4653] nbd_start_device+0x3bc/0xb34 executing program [ 46.859057][ T4653] nbd_ioctl+0x420/0xc2c [ 46.860001][ T4653] blkdev_ioctl+0x3d8/0xbd0 [ 46.861008][ T4653] block_ioctl+0xa8/0x114 [ 46.862077][ T4653] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.863208][ T4653] invoke_syscall+0x98/0x2b8 [ 46.864365][ T4653] el0_svc_common+0x138/0x258 [ 46.865478][ T4653] do_el0_svc+0x58/0x14c [ 46.866421][ T4653] el0_svc+0x7c/0x1f0 [ 46.867298][ T4653] el0t_64_sync_handler+0x84/0xe4 [ 46.868483][ T4653] el0t_64_sync+0x1a0/0x1a4 [ 46.870789][ T4656] block nbd1: shutting down sockets [ 46.886542][ T4653] debugfs: out of free dentries, can not create directory 'nbd3' [ 46.888744][ T4653] block nbd3: Failed to create debugfs dir for 'nbd3' [ 46.888770][ T4656] FAULT_INJECTION: forcing a failure. [ 46.888770][ T4656] name failslab, interval 1, probability 0, space 0, times 0 [ 46.893392][ T4656] CPU: 1 PID: 4656 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.895289][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.897588][ T4656] Call trace: [ 46.898358][ T4656] dump_backtrace+0x0/0x530 [ 46.899413][ T4656] show_stack+0x2c/0x3c [ 46.900376][ T4656] dump_stack_lvl+0x108/0x170 [ 46.901465][ T4656] dump_stack+0x1c/0x58 [ 46.902443][ T4656] should_fail+0x3b8/0x514 [ 46.903420][ T4656] __should_failslab+0xbc/0x110 [ 46.904549][ T4656] should_failslab+0x10/0x28 [ 46.905636][ T4656] slab_pre_alloc_hook+0x64/0xe8 [ 46.906867][ T4656] kmem_cache_alloc+0x98/0x45c [ 46.907948][ T4656] new_inode_pseudo+0x110/0x200 [ 46.909124][ T4656] new_inode+0x38/0x174 [ 46.910108][ T4656] debugfs_create_dir+0xf0/0x420 [ 46.911269][ T4656] nbd_start_device+0x3bc/0xb34 [ 46.912433][ T4656] nbd_ioctl+0x420/0xc2c [ 46.913392][ T4656] blkdev_ioctl+0x3d8/0xbd0 [ 46.914422][ T4656] block_ioctl+0xa8/0x114 [ 46.915428][ T4656] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.916560][ T4656] invoke_syscall+0x98/0x2b8 [ 46.917634][ T4656] el0_svc_common+0x138/0x258 [ 46.918737][ T4656] do_el0_svc+0x58/0x14c [ 46.919684][ T4656] el0_svc+0x7c/0x1f0 [ 46.920534][ T4656] el0t_64_sync_handler+0x84/0xe4 [ 46.921716][ T4656] el0t_64_sync+0x1a0/0x1a4 [ 46.923220][ T4656] debugfs: out of free dentries, can not create directory 'nbd1' executing program [ 46.926776][ T4662] block nbd0: shutting down sockets [ 46.927065][ T4656] block nbd1: Failed to create debugfs dir for 'nbd1' [ 46.928279][ T4660] block nbd4: shutting down sockets [ 46.947456][ T4662] FAULT_INJECTION: forcing a failure. [ 46.947456][ T4662] name failslab, interval 1, probability 0, space 0, times 0 [ 46.950348][ T4662] CPU: 1 PID: 4662 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.952355][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.954515][ T4662] Call trace: [ 46.955265][ T4662] dump_backtrace+0x0/0x530 [ 46.956324][ T4662] show_stack+0x2c/0x3c [ 46.957217][ T4669] block nbd2: shutting down sockets executing program [ 46.957255][ T4662] dump_stack_lvl+0x108/0x170 [ 46.959612][ T4662] dump_stack+0x1c/0x58 [ 46.960506][ T4662] should_fail+0x3b8/0x514 [ 46.961570][ T4662] __should_failslab+0xbc/0x110 [ 46.962706][ T4662] should_failslab+0x10/0x28 [ 46.963797][ T4662] slab_pre_alloc_hook+0x64/0xe8 [ 46.964925][ T4662] kmem_cache_alloc+0x98/0x45c [ 46.965997][ T4662] radix_tree_node_alloc+0x184/0x360 [ 46.967172][ T4662] idr_get_free+0x240/0x8b0 [ 46.968126][ T4662] idr_alloc_cyclic+0x18c/0x4f4 [ 46.969238][ T4662] __kernfs_new_node+0x124/0x684 [ 46.970366][ T4662] kernfs_new_node+0x98/0x194 [ 46.971405][ T4662] __kernfs_create_file+0x60/0x2d4 [ 46.972568][ T4662] sysfs_add_file_mode_ns+0x2cc/0x3a4 [ 46.973749][ T4662] sysfs_create_file_ns+0x144/0x254 [ 46.974943][ T4662] device_create_file+0xfc/0x1b0 [ 46.976138][ T4662] nbd_start_device+0x340/0xb34 [ 46.977178][ T4662] nbd_ioctl+0x420/0xc2c [ 46.978114][ T4662] blkdev_ioctl+0x3d8/0xbd0 [ 46.979086][ T4662] block_ioctl+0xa8/0x114 [ 46.980001][ T4662] __arm64_sys_ioctl+0x14c/0x1c8 [ 46.981115][ T4662] invoke_syscall+0x98/0x2b8 [ 46.982179][ T4662] el0_svc_common+0x138/0x258 [ 46.983208][ T4662] do_el0_svc+0x58/0x14c [ 46.984128][ T4662] el0_svc+0x7c/0x1f0 [ 46.985085][ T4662] el0t_64_sync_handler+0x84/0xe4 [ 46.986269][ T4662] el0t_64_sync+0x1a0/0x1a4 [ 46.989721][ T4666] FAULT_INJECTION: forcing a failure. [ 46.989721][ T4666] name failslab, interval 1, probability 0, space 0, times 0 [ 46.992676][ T4666] CPU: 0 PID: 4666 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 46.994658][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 46.996962][ T4666] Call trace: [ 46.997728][ T4666] dump_backtrace+0x0/0x530 [ 46.998715][ T4666] show_stack+0x2c/0x3c [ 46.999618][ T4666] dump_stack_lvl+0x108/0x170 [ 47.000708][ T4666] dump_stack+0x1c/0x58 [ 47.001676][ T4666] should_fail+0x3b8/0x514 [ 47.002772][ T4666] __should_failslab+0xbc/0x110 [ 47.003967][ T4666] should_failslab+0x10/0x28 [ 47.004984][ T4666] slab_pre_alloc_hook+0x64/0xe8 [ 47.006198][ T4666] kmem_cache_alloc+0x98/0x45c [ 47.007267][ T4666] __d_alloc+0x3c/0x6a8 [ 47.008195][ T4666] d_alloc_parallel+0xb8/0x11bc [ 47.009331][ T4666] __lookup_slow+0x108/0x388 [ 47.010405][ T4666] lookup_one_len+0x178/0x28c [ 47.011580][ T4666] start_creating+0x19c/0x2e0 [ 47.012692][ T4666] debugfs_create_dir+0x34/0x420 [ 47.013821][ T4666] nbd_start_device+0x3bc/0xb34 [ 47.014871][ T4666] nbd_ioctl+0x420/0xc2c [ 47.015878][ T4666] blkdev_ioctl+0x3d8/0xbd0 [ 47.016730][ T4666] block_ioctl+0xa8/0x114 [ 47.017547][ T4666] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.018458][ T4666] invoke_syscall+0x98/0x2b8 [ 47.019305][ T4666] el0_svc_common+0x138/0x258 [ 47.020163][ T4666] do_el0_svc+0x58/0x14c [ 47.020929][ T4666] el0_svc+0x7c/0x1f0 [ 47.021769][ T4666] el0t_64_sync_handler+0x84/0xe4 [ 47.022986][ T4666] el0t_64_sync+0x1a0/0x1a4 [ 47.031949][ T4666] block nbd2: Failed to create debugfs dir for 'nbd2' [ 47.033642][ T4663] FAULT_INJECTION: forcing a failure. [ 47.033642][ T4663] name failslab, interval 1, probability 0, space 0, times 0 [ 47.041369][ T4663] CPU: 0 PID: 4663 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.043318][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.045544][ T4668] block nbd3: shutting down sockets [ 47.045724][ T4663] Call trace: [ 47.047799][ T4663] dump_backtrace+0x0/0x530 [ 47.048824][ T4663] show_stack+0x2c/0x3c [ 47.049816][ T4663] dump_stack_lvl+0x108/0x170 [ 47.050919][ T4663] dump_stack+0x1c/0x58 [ 47.051882][ T4663] should_fail+0x3b8/0x514 [ 47.052883][ T4663] __should_failslab+0xbc/0x110 [ 47.053947][ T4663] should_failslab+0x10/0x28 [ 47.054959][ T4663] slab_pre_alloc_hook+0x64/0xe8 [ 47.056070][ T4663] kmem_cache_alloc+0x98/0x45c [ 47.057155][ T4663] new_inode_pseudo+0x110/0x200 [ 47.058301][ T4663] new_inode+0x38/0x174 [ 47.059245][ T4663] debugfs_create_dir+0xf0/0x420 [ 47.060404][ T4663] nbd_start_device+0x3bc/0xb34 [ 47.061553][ T4663] nbd_ioctl+0x420/0xc2c [ 47.062469][ T4663] blkdev_ioctl+0x3d8/0xbd0 [ 47.063554][ T4663] block_ioctl+0xa8/0x114 [ 47.064577][ T4663] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.065722][ T4663] invoke_syscall+0x98/0x2b8 [ 47.066784][ T4663] el0_svc_common+0x138/0x258 [ 47.067817][ T4663] do_el0_svc+0x58/0x14c [ 47.068772][ T4663] el0_svc+0x7c/0x1f0 [ 47.069669][ T4663] el0t_64_sync_handler+0x84/0xe4 [ 47.070888][ T4663] el0t_64_sync+0x1a0/0x1a4 [ 47.085854][ T4663] debugfs: out of free dentries, can not create directory 'nbd4' [ 47.095110][ T4668] FAULT_INJECTION: forcing a failure. [ 47.095110][ T4668] name failslab, interval 1, probability 0, space 0, times 0 [ 47.096169][ T4663] block nbd4: Failed to create debugfs dir for 'nbd4' [ 47.098133][ T4668] CPU: 1 PID: 4668 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.101625][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.103908][ T4668] Call trace: [ 47.104622][ T4668] dump_backtrace+0x0/0x530 [ 47.105649][ T4668] show_stack+0x2c/0x3c [ 47.106662][ T4668] dump_stack_lvl+0x108/0x170 [ 47.107791][ T4668] dump_stack+0x1c/0x58 [ 47.108717][ T4668] should_fail+0x3b8/0x514 [ 47.109678][ T4668] __should_failslab+0xbc/0x110 [ 47.110715][ T4668] should_failslab+0x10/0x28 [ 47.111805][ T4668] slab_pre_alloc_hook+0x64/0xe8 [ 47.112982][ T4668] kmem_cache_alloc+0x98/0x45c [ 47.114075][ T4668] __d_alloc+0x3c/0x6a8 [ 47.115095][ T4668] d_alloc_parallel+0xb8/0x11bc [ 47.116302][ T4668] __lookup_slow+0x108/0x388 [ 47.117311][ T4668] lookup_one_len+0x178/0x28c [ 47.118382][ T4668] start_creating+0x19c/0x2e0 [ 47.119519][ T4668] debugfs_create_dir+0x34/0x420 [ 47.120635][ T4668] nbd_start_device+0x3bc/0xb34 [ 47.121647][ T4668] nbd_ioctl+0x420/0xc2c [ 47.122691][ T4668] blkdev_ioctl+0x3d8/0xbd0 [ 47.123736][ T4668] block_ioctl+0xa8/0x114 [ 47.124757][ T4668] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.125922][ T4668] invoke_syscall+0x98/0x2b8 executing program [ 47.127053][ T4668] el0_svc_common+0x138/0x258 [ 47.128127][ T4668] do_el0_svc+0x58/0x14c [ 47.129098][ T4668] el0_svc+0x7c/0x1f0 [ 47.129956][ T4668] el0t_64_sync_handler+0x84/0xe4 [ 47.131101][ T4668] el0t_64_sync+0x1a0/0x1a4 executing program [ 47.137941][ T4668] block nbd3: Failed to create debugfs dir for 'nbd3' [ 47.144713][ T4671] block nbd1: shutting down sockets executing program [ 47.159183][ T4671] FAULT_INJECTION: forcing a failure. executing program [ 47.159183][ T4671] name failslab, interval 1, probability 0, space 0, times 0 [ 47.162285][ T4671] CPU: 1 PID: 4671 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.164365][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.166697][ T4671] Call trace: [ 47.167474][ T4671] dump_backtrace+0x0/0x530 [ 47.168523][ T4671] show_stack+0x2c/0x3c [ 47.169415][ T4671] dump_stack_lvl+0x108/0x170 [ 47.170441][ T4671] dump_stack+0x1c/0x58 [ 47.171495][ T4671] should_fail+0x3b8/0x514 [ 47.172649][ T4671] __should_failslab+0xbc/0x110 [ 47.173926][ T4671] should_failslab+0x10/0x28 [ 47.175185][ T4671] slab_pre_alloc_hook+0x64/0xe8 [ 47.176458][ T4671] kmem_cache_alloc+0x98/0x45c [ 47.177663][ T4671] __d_alloc+0x3c/0x6a8 [ 47.178867][ T4671] d_alloc_parallel+0xb8/0x11bc [ 47.180200][ T4671] __lookup_slow+0x108/0x388 [ 47.181363][ T4671] lookup_one_len+0x178/0x28c [ 47.182535][ T4671] start_creating+0x19c/0x2e0 [ 47.183674][ T4671] debugfs_create_dir+0x34/0x420 [ 47.184964][ T4671] nbd_start_device+0x3bc/0xb34 [ 47.186175][ T4671] nbd_ioctl+0x420/0xc2c [ 47.187318][ T4671] blkdev_ioctl+0x3d8/0xbd0 [ 47.188496][ T4671] block_ioctl+0xa8/0x114 [ 47.189620][ T4671] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.190824][ T4671] invoke_syscall+0x98/0x2b8 [ 47.192050][ T4671] el0_svc_common+0x138/0x258 [ 47.193165][ T4671] do_el0_svc+0x58/0x14c [ 47.194196][ T4671] el0_svc+0x7c/0x1f0 [ 47.195198][ T4671] el0t_64_sync_handler+0x84/0xe4 [ 47.196518][ T4671] el0t_64_sync+0x1a0/0x1a4 [ 47.198123][ T4671] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 47.256483][ T4686] block nbd2: shutting down sockets [ 47.256640][ T4679] block nbd0: shutting down sockets [ 47.266397][ T4675] FAULT_INJECTION: forcing a failure. [ 47.266397][ T4675] name failslab, interval 1, probability 0, space 0, times 0 [ 47.269735][ T4675] CPU: 0 PID: 4675 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.271674][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.274040][ T4675] Call trace: [ 47.274808][ T4675] dump_backtrace+0x0/0x530 [ 47.275777][ T4675] show_stack+0x2c/0x3c [ 47.276807][ T4675] dump_stack_lvl+0x108/0x170 [ 47.277932][ T4675] dump_stack+0x1c/0x58 [ 47.278963][ T4675] should_fail+0x3b8/0x514 [ 47.280049][ T4675] __should_failslab+0xbc/0x110 [ 47.281208][ T4675] should_failslab+0x10/0x28 [ 47.282275][ T4675] slab_pre_alloc_hook+0x64/0xe8 [ 47.283424][ T4675] kmem_cache_alloc+0x98/0x45c [ 47.284569][ T4675] __d_alloc+0x3c/0x6a8 [ 47.285513][ T4675] d_alloc_parallel+0xb8/0x11bc [ 47.286679][ T4675] __lookup_slow+0x108/0x388 [ 47.287774][ T4675] lookup_one_len+0x178/0x28c [ 47.288840][ T4675] start_creating+0x19c/0x2e0 [ 47.289967][ T4675] debugfs_create_dir+0x34/0x420 [ 47.291149][ T4675] nbd_start_device+0x3bc/0xb34 [ 47.292300][ T4675] nbd_ioctl+0x420/0xc2c [ 47.293285][ T4675] blkdev_ioctl+0x3d8/0xbd0 [ 47.294311][ T4675] block_ioctl+0xa8/0x114 [ 47.295345][ T4675] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.296468][ T4675] invoke_syscall+0x98/0x2b8 [ 47.297541][ T4675] el0_svc_common+0x138/0x258 [ 47.298653][ T4675] do_el0_svc+0x58/0x14c [ 47.299654][ T4675] el0_svc+0x7c/0x1f0 [ 47.300580][ T4675] el0t_64_sync_handler+0x84/0xe4 [ 47.301682][ T4675] el0t_64_sync+0x1a0/0x1a4 [ 47.305079][ T4675] block nbd2: Failed to create debugfs dir for 'nbd2' [ 47.306807][ T4677] FAULT_INJECTION: forcing a failure. [ 47.306807][ T4677] name failslab, interval 1, probability 0, space 0, times 0 [ 47.310382][ T4677] CPU: 1 PID: 4677 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.312318][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.314567][ T4677] Call trace: [ 47.315291][ T4677] dump_backtrace+0x0/0x530 [ 47.316394][ T4677] show_stack+0x2c/0x3c [ 47.317355][ T4677] dump_stack_lvl+0x108/0x170 [ 47.318521][ T4677] dump_stack+0x1c/0x58 [ 47.319514][ T4677] should_fail+0x3b8/0x514 [ 47.320520][ T4677] __should_failslab+0xbc/0x110 [ 47.321603][ T4677] should_failslab+0x10/0x28 [ 47.322691][ T4677] slab_pre_alloc_hook+0x64/0xe8 [ 47.323816][ T4677] kmem_cache_alloc+0x98/0x45c [ 47.324989][ T4677] __d_alloc+0x3c/0x6a8 [ 47.325992][ T4677] d_alloc_parallel+0xb8/0x11bc [ 47.327140][ T4677] __lookup_slow+0x108/0x388 [ 47.328177][ T4677] lookup_one_len+0x178/0x28c [ 47.329291][ T4677] start_creating+0x19c/0x2e0 [ 47.330340][ T4677] debugfs_create_dir+0x34/0x420 executing program [ 47.331460][ T4677] nbd_start_device+0x3bc/0xb34 [ 47.332690][ T4677] nbd_ioctl+0x420/0xc2c [ 47.333632][ T4677] blkdev_ioctl+0x3d8/0xbd0 [ 47.334647][ T4677] block_ioctl+0xa8/0x114 [ 47.335183][ T4687] block nbd3: shutting down sockets [ 47.335631][ T4677] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.337934][ T4677] invoke_syscall+0x98/0x2b8 [ 47.338945][ T4677] el0_svc_common+0x138/0x258 [ 47.340046][ T4677] do_el0_svc+0x58/0x14c [ 47.341040][ T4677] el0_svc+0x7c/0x1f0 [ 47.341931][ T4677] el0t_64_sync_handler+0x84/0xe4 [ 47.343184][ T4677] el0t_64_sync+0x1a0/0x1a4 [ 47.344557][ T4688] block nbd1: shutting down sockets [ 47.365701][ T4679] FAULT_INJECTION: forcing a failure. [ 47.365701][ T4679] name failslab, interval 1, probability 0, space 0, times 0 [ 47.368952][ T4677] block nbd4: Failed to create debugfs dir for 'nbd4' [ 47.369272][ T4679] CPU: 1 PID: 4679 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.372560][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.374938][ T4679] Call trace: [ 47.375760][ T4679] dump_backtrace+0x0/0x530 [ 47.376837][ T4679] show_stack+0x2c/0x3c [ 47.377790][ T4679] dump_stack_lvl+0x108/0x170 [ 47.378096][ T4685] block nbd4: shutting down sockets [ 47.378834][ T4679] dump_stack+0x1c/0x58 [ 47.380923][ T4679] should_fail+0x3b8/0x514 [ 47.381897][ T4679] __should_failslab+0xbc/0x110 [ 47.383007][ T4679] should_failslab+0x10/0x28 [ 47.384055][ T4679] slab_pre_alloc_hook+0x64/0xe8 [ 47.385280][ T4679] kmem_cache_alloc+0x98/0x45c [ 47.386317][ T4679] new_inode_pseudo+0x110/0x200 [ 47.387441][ T4679] new_inode+0x38/0x174 [ 47.388403][ T4679] debugfs_create_dir+0xf0/0x420 [ 47.389464][ T4679] nbd_start_device+0x3bc/0xb34 [ 47.390586][ T4679] nbd_ioctl+0x420/0xc2c [ 47.391521][ T4679] blkdev_ioctl+0x3d8/0xbd0 [ 47.392515][ T4679] block_ioctl+0xa8/0x114 [ 47.393534][ T4679] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.394648][ T4679] invoke_syscall+0x98/0x2b8 [ 47.395652][ T4679] el0_svc_common+0x138/0x258 [ 47.396746][ T4679] do_el0_svc+0x58/0x14c [ 47.397630][ T4679] el0_svc+0x7c/0x1f0 [ 47.398503][ T4679] el0t_64_sync_handler+0x84/0xe4 [ 47.399622][ T4679] el0t_64_sync+0x1a0/0x1a4 [ 47.402297][ T4679] debugfs: out of free dentries, can not create directory 'nbd0' [ 47.403898][ T4681] FAULT_INJECTION: forcing a failure. [ 47.403898][ T4681] name failslab, interval 1, probability 0, space 0, times 0 [ 47.406989][ T4681] CPU: 0 PID: 4681 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.408876][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.410777][ T4681] Call trace: [ 47.411388][ T4681] dump_backtrace+0x0/0x530 [ 47.412231][ T4681] show_stack+0x2c/0x3c [ 47.413010][ T4681] dump_stack_lvl+0x108/0x170 [ 47.413876][ T4681] dump_stack+0x1c/0x58 [ 47.414726][ T4681] should_fail+0x3b8/0x514 [ 47.415698][ T4681] __should_failslab+0xbc/0x110 [ 47.416823][ T4681] should_failslab+0x10/0x28 [ 47.417928][ T4681] slab_pre_alloc_hook+0x64/0xe8 [ 47.419077][ T4681] kmem_cache_alloc+0x98/0x45c [ 47.420137][ T4681] new_inode_pseudo+0x110/0x200 [ 47.421357][ T4681] new_inode+0x38/0x174 [ 47.422269][ T4681] debugfs_create_dir+0xf0/0x420 [ 47.423486][ T4681] nbd_start_device+0x3bc/0xb34 [ 47.424603][ T4681] nbd_ioctl+0x420/0xc2c [ 47.425579][ T4681] blkdev_ioctl+0x3d8/0xbd0 [ 47.426643][ T4681] block_ioctl+0xa8/0x114 [ 47.427629][ T4681] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.428785][ T4681] invoke_syscall+0x98/0x2b8 [ 47.429813][ T4681] el0_svc_common+0x138/0x258 [ 47.430873][ T4681] do_el0_svc+0x58/0x14c [ 47.431782][ T4681] el0_svc+0x7c/0x1f0 [ 47.432651][ T4681] el0t_64_sync_handler+0x84/0xe4 [ 47.433852][ T4681] el0t_64_sync+0x1a0/0x1a4 [ 47.435968][ T4679] block nbd0: Failed to create debugfs dir for 'nbd0' [ 47.439073][ T4691] block nbd2: shutting down sockets [ 47.439198][ T4681] debugfs: out of free dentries, can not create directory 'nbd3' executing program [ 47.455404][ T4683] FAULT_INJECTION: forcing a failure. [ 47.455404][ T4683] name failslab, interval 1, probability 0, space 0, times 0 [ 47.458732][ T4683] CPU: 1 PID: 4683 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.460737][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.463115][ T4683] Call trace: [ 47.463872][ T4683] dump_backtrace+0x0/0x530 [ 47.464875][ T4683] show_stack+0x2c/0x3c [ 47.465142][ T4681] block nbd3: Failed to create debugfs dir for 'nbd3' [ 47.465863][ T4683] dump_stack_lvl+0x108/0x170 [ 47.468399][ T4683] dump_stack+0x1c/0x58 [ 47.469299][ T4683] should_fail+0x3b8/0x514 [ 47.470218][ T4683] __should_failslab+0xbc/0x110 [ 47.471359][ T4683] should_failslab+0x10/0x28 [ 47.472452][ T4683] slab_pre_alloc_hook+0x64/0xe8 [ 47.473577][ T4683] kmem_cache_alloc+0x98/0x45c [ 47.474691][ T4683] new_inode_pseudo+0x110/0x200 [ 47.475900][ T4683] new_inode+0x38/0x174 [ 47.476889][ T4683] debugfs_create_dir+0xf0/0x420 [ 47.477948][ T4683] nbd_start_device+0x3bc/0xb34 [ 47.479094][ T4683] nbd_ioctl+0x420/0xc2c [ 47.480070][ T4683] blkdev_ioctl+0x3d8/0xbd0 [ 47.481086][ T4683] block_ioctl+0xa8/0x114 [ 47.482090][ T4683] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.483205][ T4683] invoke_syscall+0x98/0x2b8 [ 47.484207][ T4683] el0_svc_common+0x138/0x258 [ 47.485264][ T4683] do_el0_svc+0x58/0x14c [ 47.486214][ T4683] el0_svc+0x7c/0x1f0 [ 47.487122][ T4683] el0t_64_sync_handler+0x84/0xe4 [ 47.488302][ T4683] el0t_64_sync+0x1a0/0x1a4 [ 47.491691][ T4683] debugfs: out of free dentries, can not create directory 'nbd1' [ 47.493667][ T4691] FAULT_INJECTION: forcing a failure. [ 47.493667][ T4691] name failslab, interval 1, probability 0, space 0, times 0 [ 47.497350][ T4691] CPU: 0 PID: 4691 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.499313][ T4691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.501751][ T4691] Call trace: [ 47.502472][ T4691] dump_backtrace+0x0/0x530 [ 47.503415][ T4691] show_stack+0x2c/0x3c [ 47.504315][ T4691] dump_stack_lvl+0x108/0x170 [ 47.505332][ T4691] dump_stack+0x1c/0x58 [ 47.506264][ T4691] should_fail+0x3b8/0x514 [ 47.507275][ T4691] __should_failslab+0xbc/0x110 [ 47.508305][ T4691] should_failslab+0x10/0x28 [ 47.509375][ T4691] slab_pre_alloc_hook+0x64/0xe8 [ 47.509511][ T4683] block nbd1: Failed to create debugfs dir for 'nbd1' [ 47.510557][ T4691] kmem_cache_alloc+0x98/0x45c executing program [ 47.510574][ T4691] new_inode_pseudo+0x110/0x200 [ 47.510586][ T4691] new_inode+0x38/0x174 [ 47.510594][ T4691] debugfs_create_dir+0xf0/0x420 [ 47.510606][ T4691] nbd_start_device+0x3bc/0xb34 [ 47.517867][ T4691] nbd_ioctl+0x420/0xc2c [ 47.518927][ T4691] blkdev_ioctl+0x3d8/0xbd0 [ 47.519997][ T4691] block_ioctl+0xa8/0x114 [ 47.521001][ T4691] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.522199][ T4691] invoke_syscall+0x98/0x2b8 [ 47.523292][ T4691] el0_svc_common+0x138/0x258 [ 47.524403][ T4691] do_el0_svc+0x58/0x14c [ 47.525383][ T4691] el0_svc+0x7c/0x1f0 [ 47.526415][ T4691] el0t_64_sync_handler+0x84/0xe4 [ 47.527654][ T4691] el0t_64_sync+0x1a0/0x1a4 executing program [ 47.534068][ T4691] debugfs: out of free dentries, can not create directory 'nbd2' [ 47.536151][ T4691] block nbd2: Failed to create debugfs dir for 'nbd2' executing program executing program [ 47.576705][ T4694] block nbd4: shutting down sockets [ 47.581273][ T4694] FAULT_INJECTION: forcing a failure. [ 47.581273][ T4694] name failslab, interval 1, probability 0, space 0, times 0 [ 47.584258][ T4694] CPU: 0 PID: 4694 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.586171][ T4694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.588482][ T4694] Call trace: [ 47.589255][ T4694] dump_backtrace+0x0/0x530 [ 47.590311][ T4694] show_stack+0x2c/0x3c [ 47.591231][ T4694] dump_stack_lvl+0x108/0x170 [ 47.592335][ T4694] dump_stack+0x1c/0x58 [ 47.593184][ T4694] should_fail+0x3b8/0x514 [ 47.594129][ T4694] __should_failslab+0xbc/0x110 [ 47.595319][ T4694] should_failslab+0x10/0x28 [ 47.596421][ T4694] slab_pre_alloc_hook+0x64/0xe8 [ 47.597507][ T4694] kmem_cache_alloc+0x98/0x45c [ 47.598647][ T4694] __d_alloc+0x3c/0x6a8 [ 47.599589][ T4694] d_alloc_parallel+0xb8/0x11bc [ 47.600798][ T4694] __lookup_slow+0x108/0x388 [ 47.601911][ T4694] lookup_one_len+0x178/0x28c [ 47.603009][ T4694] start_creating+0x19c/0x2e0 [ 47.604159][ T4694] debugfs_create_dir+0x34/0x420 [ 47.605319][ T4694] nbd_start_device+0x3bc/0xb34 [ 47.606417][ T4694] nbd_ioctl+0x420/0xc2c [ 47.607449][ T4694] blkdev_ioctl+0x3d8/0xbd0 [ 47.608479][ T4694] block_ioctl+0xa8/0x114 [ 47.609407][ T4694] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.610546][ T4694] invoke_syscall+0x98/0x2b8 [ 47.611543][ T4694] el0_svc_common+0x138/0x258 [ 47.612633][ T4694] do_el0_svc+0x58/0x14c [ 47.613639][ T4694] el0_svc+0x7c/0x1f0 [ 47.614546][ T4694] el0t_64_sync_handler+0x84/0xe4 [ 47.615621][ T4694] el0t_64_sync+0x1a0/0x1a4 [ 47.617361][ T4694] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 47.665687][ T4704] block nbd3: shutting down sockets [ 47.666153][ T4703] block nbd2: shutting down sockets [ 47.675590][ T4709] block nbd1: shutting down sockets [ 47.676946][ T4708] block nbd0: shutting down sockets [ 47.679534][ T4703] FAULT_INJECTION: forcing a failure. [ 47.679534][ T4703] name failslab, interval 1, probability 0, space 0, times 0 [ 47.682796][ T4703] CPU: 0 PID: 4703 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.684761][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.687097][ T4703] Call trace: [ 47.687869][ T4703] dump_backtrace+0x0/0x530 [ 47.688945][ T4703] show_stack+0x2c/0x3c [ 47.689868][ T4703] dump_stack_lvl+0x108/0x170 [ 47.690956][ T4703] dump_stack+0x1c/0x58 [ 47.691937][ T4703] should_fail+0x3b8/0x514 [ 47.692937][ T4703] __should_failslab+0xbc/0x110 [ 47.694152][ T4703] should_failslab+0x10/0x28 [ 47.695265][ T4703] slab_pre_alloc_hook+0x64/0xe8 [ 47.696442][ T4703] kmem_cache_alloc+0x98/0x45c [ 47.697702][ T4703] __d_alloc+0x3c/0x6a8 [ 47.698670][ T4703] d_alloc_parallel+0xb8/0x11bc [ 47.699736][ T4703] __lookup_slow+0x108/0x388 [ 47.700875][ T4703] lookup_one_len+0x178/0x28c [ 47.702071][ T4703] start_creating+0x19c/0x2e0 [ 47.703137][ T4703] debugfs_create_dir+0x34/0x420 [ 47.704346][ T4703] nbd_start_device+0x3bc/0xb34 [ 47.705492][ T4703] nbd_ioctl+0x420/0xc2c [ 47.706537][ T4703] blkdev_ioctl+0x3d8/0xbd0 [ 47.707627][ T4703] block_ioctl+0xa8/0x114 [ 47.708625][ T4703] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.709789][ T4703] invoke_syscall+0x98/0x2b8 [ 47.710882][ T4703] el0_svc_common+0x138/0x258 [ 47.711985][ T4703] do_el0_svc+0x58/0x14c [ 47.712963][ T4703] el0_svc+0x7c/0x1f0 [ 47.713945][ T4703] el0t_64_sync_handler+0x84/0xe4 [ 47.715115][ T4703] el0t_64_sync+0x1a0/0x1a4 [ 47.716595][ T4703] block nbd2: Failed to create debugfs dir for 'nbd2' [ 47.717290][ T4698] FAULT_INJECTION: forcing a failure. [ 47.717290][ T4698] name failslab, interval 1, probability 0, space 0, times 0 [ 47.721971][ T4698] CPU: 1 PID: 4698 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.723969][ T4698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.726237][ T4698] Call trace: [ 47.727016][ T4698] dump_backtrace+0x0/0x530 [ 47.728085][ T4698] show_stack+0x2c/0x3c [ 47.729023][ T4698] dump_stack_lvl+0x108/0x170 [ 47.730081][ T4698] dump_stack+0x1c/0x58 [ 47.731034][ T4698] should_fail+0x3b8/0x514 [ 47.732110][ T4698] __should_failslab+0xbc/0x110 [ 47.733244][ T4698] should_failslab+0x10/0x28 [ 47.734302][ T4698] slab_pre_alloc_hook+0x64/0xe8 [ 47.735448][ T4698] kmem_cache_alloc+0x98/0x45c [ 47.736531][ T4698] new_inode_pseudo+0x110/0x200 [ 47.737654][ T4698] new_inode+0x38/0x174 [ 47.738574][ T4698] debugfs_create_dir+0xf0/0x420 [ 47.739715][ T4698] nbd_start_device+0x3bc/0xb34 [ 47.740828][ T4698] nbd_ioctl+0x420/0xc2c [ 47.741762][ T4698] blkdev_ioctl+0x3d8/0xbd0 [ 47.742740][ T4698] block_ioctl+0xa8/0x114 executing program [ 47.743657][ T4698] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.744763][ T4698] invoke_syscall+0x98/0x2b8 [ 47.745829][ T4698] el0_svc_common+0x138/0x258 [ 47.746889][ T4698] do_el0_svc+0x58/0x14c [ 47.747862][ T4698] el0_svc+0x7c/0x1f0 [ 47.748868][ T4698] el0t_64_sync_handler+0x84/0xe4 [ 47.750096][ T4698] el0t_64_sync+0x1a0/0x1a4 [ 47.752893][ T4698] debugfs: out of free dentries, can not create directory 'nbd0' [ 47.755158][ T4696] FAULT_INJECTION: forcing a failure. [ 47.755158][ T4696] name failslab, interval 1, probability 0, space 0, times 0 [ 47.756914][ T4698] block nbd0: Failed to create debugfs dir for 'nbd0' [ 47.758214][ T4696] CPU: 0 PID: 4696 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.761420][ T4696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.763591][ T4696] Call trace: [ 47.764351][ T4696] dump_backtrace+0x0/0x530 [ 47.765354][ T4696] show_stack+0x2c/0x3c [ 47.766266][ T4696] dump_stack_lvl+0x108/0x170 [ 47.767313][ T4696] dump_stack+0x1c/0x58 [ 47.768277][ T4696] should_fail+0x3b8/0x514 [ 47.769320][ T4696] __should_failslab+0xbc/0x110 [ 47.770408][ T4696] should_failslab+0x10/0x28 [ 47.771394][ T4696] slab_pre_alloc_hook+0x64/0xe8 [ 47.772597][ T4696] kmem_cache_alloc+0x98/0x45c [ 47.773710][ T4696] new_inode_pseudo+0x110/0x200 [ 47.774825][ T4696] new_inode+0x38/0x174 [ 47.775795][ T4696] debugfs_create_dir+0xf0/0x420 [ 47.776972][ T4696] nbd_start_device+0x3bc/0xb34 [ 47.778091][ T4696] nbd_ioctl+0x420/0xc2c [ 47.779065][ T4696] blkdev_ioctl+0x3d8/0xbd0 [ 47.780095][ T4696] block_ioctl+0xa8/0x114 [ 47.781187][ T4696] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.782305][ T4696] invoke_syscall+0x98/0x2b8 [ 47.783336][ T4696] el0_svc_common+0x138/0x258 [ 47.784397][ T4696] do_el0_svc+0x58/0x14c [ 47.785369][ T4696] el0_svc+0x7c/0x1f0 [ 47.786288][ T4696] el0t_64_sync_handler+0x84/0xe4 [ 47.787505][ T4696] el0t_64_sync+0x1a0/0x1a4 [ 47.790139][ T4710] block nbd4: shutting down sockets [ 47.793351][ T4696] debugfs: out of free dentries, can not create directory 'nbd3' executing program [ 47.795911][ T4696] block nbd3: Failed to create debugfs dir for 'nbd3' [ 47.802874][ T4701] FAULT_INJECTION: forcing a failure. [ 47.802874][ T4701] name failslab, interval 1, probability 0, space 0, times 0 [ 47.815369][ T4701] CPU: 0 PID: 4701 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.817340][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.819663][ T4701] Call trace: [ 47.820429][ T4701] dump_backtrace+0x0/0x530 [ 47.821530][ T4701] show_stack+0x2c/0x3c [ 47.822481][ T4701] dump_stack_lvl+0x108/0x170 [ 47.823569][ T4701] dump_stack+0x1c/0x58 [ 47.824486][ T4701] should_fail+0x3b8/0x514 [ 47.825526][ T4701] __should_failslab+0xbc/0x110 [ 47.826621][ T4701] should_failslab+0x10/0x28 [ 47.827674][ T4701] slab_pre_alloc_hook+0x64/0xe8 [ 47.828837][ T4701] kmem_cache_alloc+0x98/0x45c [ 47.829840][ T4701] new_inode_pseudo+0x110/0x200 [ 47.830937][ T4701] new_inode+0x38/0x174 [ 47.831879][ T4701] debugfs_create_dir+0xf0/0x420 [ 47.833055][ T4701] nbd_start_device+0x3bc/0xb34 [ 47.834219][ T4701] nbd_ioctl+0x420/0xc2c [ 47.835211][ T4701] blkdev_ioctl+0x3d8/0xbd0 [ 47.836241][ T4701] block_ioctl+0xa8/0x114 [ 47.837321][ T4701] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.838457][ T4701] invoke_syscall+0x98/0x2b8 [ 47.839510][ T4701] el0_svc_common+0x138/0x258 [ 47.840604][ T4701] do_el0_svc+0x58/0x14c [ 47.841648][ T4701] el0_svc+0x7c/0x1f0 [ 47.842589][ T4701] el0t_64_sync_handler+0x84/0xe4 [ 47.843726][ T4701] el0t_64_sync+0x1a0/0x1a4 [ 47.846561][ T4712] block nbd2: shutting down sockets [ 47.850958][ T4701] debugfs: out of free dentries, can not create directory 'nbd1' executing program [ 47.853045][ T4707] FAULT_INJECTION: forcing a failure. [ 47.853045][ T4707] name failslab, interval 1, probability 0, space 0, times 0 [ 47.856837][ T4707] CPU: 1 PID: 4707 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.858833][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.861152][ T4707] Call trace: [ 47.861963][ T4707] dump_backtrace+0x0/0x530 [ 47.863000][ T4707] show_stack+0x2c/0x3c [ 47.863939][ T4707] dump_stack_lvl+0x108/0x170 [ 47.865049][ T4707] dump_stack+0x1c/0x58 [ 47.865308][ T4701] block nbd1: Failed to create debugfs dir for 'nbd1' [ 47.865983][ T4707] should_fail+0x3b8/0x514 [ 47.868589][ T4707] __should_failslab+0xbc/0x110 [ 47.869711][ T4707] should_failslab+0x10/0x28 [ 47.870778][ T4707] slab_pre_alloc_hook+0x64/0xe8 [ 47.871930][ T4707] kmem_cache_alloc+0x98/0x45c [ 47.873022][ T4707] new_inode_pseudo+0x110/0x200 [ 47.874183][ T4707] new_inode+0x38/0x174 [ 47.875154][ T4707] debugfs_create_dir+0xf0/0x420 [ 47.876262][ T4707] nbd_start_device+0x3bc/0xb34 [ 47.877310][ T4707] nbd_ioctl+0x420/0xc2c [ 47.878298][ T4707] blkdev_ioctl+0x3d8/0xbd0 [ 47.879295][ T4707] block_ioctl+0xa8/0x114 [ 47.880222][ T4707] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.881363][ T4707] invoke_syscall+0x98/0x2b8 [ 47.882443][ T4707] el0_svc_common+0x138/0x258 [ 47.883540][ T4707] do_el0_svc+0x58/0x14c [ 47.884538][ T4707] el0_svc+0x7c/0x1f0 [ 47.885488][ T4707] el0t_64_sync_handler+0x84/0xe4 [ 47.886704][ T4707] el0t_64_sync+0x1a0/0x1a4 [ 47.889155][ T4707] debugfs: out of free dentries, can not create directory 'nbd4' [ 47.891307][ T4712] FAULT_INJECTION: forcing a failure. [ 47.891307][ T4712] name failslab, interval 1, probability 0, space 0, times 0 [ 47.894594][ T4712] CPU: 0 PID: 4712 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.896645][ T4712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.899094][ T4712] Call trace: [ 47.899926][ T4712] dump_backtrace+0x0/0x530 [ 47.901098][ T4712] show_stack+0x2c/0x3c [ 47.902150][ T4712] dump_stack_lvl+0x108/0x170 [ 47.903259][ T4712] dump_stack+0x1c/0x58 [ 47.904221][ T4712] should_fail+0x3b8/0x514 [ 47.905328][ T4712] __should_failslab+0xbc/0x110 [ 47.906482][ T4712] should_failslab+0x10/0x28 [ 47.906973][ T4707] block nbd4: Failed to create debugfs dir for 'nbd4' [ 47.907605][ T4712] slab_pre_alloc_hook+0x64/0xe8 [ 47.907623][ T4712] kmem_cache_alloc+0x98/0x45c [ 47.907634][ T4712] new_inode_pseudo+0x110/0x200 [ 47.912422][ T4712] new_inode+0x38/0x174 executing program [ 47.913420][ T4712] debugfs_create_dir+0xf0/0x420 [ 47.914493][ T4712] nbd_start_device+0x3bc/0xb34 [ 47.915548][ T4712] nbd_ioctl+0x420/0xc2c [ 47.916495][ T4712] blkdev_ioctl+0x3d8/0xbd0 [ 47.917532][ T4712] block_ioctl+0xa8/0x114 [ 47.918084][ T4718] block nbd0: shutting down sockets [ 47.918500][ T4712] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.920895][ T4712] invoke_syscall+0x98/0x2b8 [ 47.922050][ T4712] el0_svc_common+0x138/0x258 [ 47.923167][ T4712] do_el0_svc+0x58/0x14c [ 47.924189][ T4712] el0_svc+0x7c/0x1f0 [ 47.925232][ T4712] el0t_64_sync_handler+0x84/0xe4 [ 47.926455][ T4712] el0t_64_sync+0x1a0/0x1a4 [ 47.945786][ T4712] debugfs: out of free dentries, can not create directory 'nbd2' [ 47.948045][ T4712] block nbd2: Failed to create debugfs dir for 'nbd2' [ 47.948130][ T4714] FAULT_INJECTION: forcing a failure. [ 47.948130][ T4714] name failslab, interval 1, probability 0, space 0, times 0 [ 47.956507][ T4717] block nbd3: shutting down sockets executing program [ 47.965537][ T4714] CPU: 0 PID: 4714 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 47.967474][ T4714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 47.969777][ T4714] Call trace: [ 47.970564][ T4714] dump_backtrace+0x0/0x530 [ 47.971604][ T4714] show_stack+0x2c/0x3c [ 47.972721][ T4714] dump_stack_lvl+0x108/0x170 [ 47.973818][ T4714] dump_stack+0x1c/0x58 [ 47.974723][ T4714] should_fail+0x3b8/0x514 [ 47.975784][ T4714] __should_failslab+0xbc/0x110 [ 47.976989][ T4714] should_failslab+0x10/0x28 [ 47.978087][ T4714] slab_pre_alloc_hook+0x64/0xe8 [ 47.979280][ T4714] kmem_cache_alloc+0x98/0x45c [ 47.980409][ T4714] new_inode_pseudo+0x110/0x200 [ 47.981572][ T4714] new_inode+0x38/0x174 [ 47.982634][ T4714] debugfs_create_dir+0xf0/0x420 [ 47.983898][ T4714] nbd_start_device+0x3bc/0xb34 [ 47.985044][ T4714] nbd_ioctl+0x420/0xc2c [ 47.986119][ T4714] blkdev_ioctl+0x3d8/0xbd0 [ 47.987205][ T4714] block_ioctl+0xa8/0x114 [ 47.988210][ T4714] __arm64_sys_ioctl+0x14c/0x1c8 [ 47.989298][ T4714] invoke_syscall+0x98/0x2b8 [ 47.990327][ T4714] el0_svc_common+0x138/0x258 [ 47.991331][ T4714] do_el0_svc+0x58/0x14c [ 47.992287][ T4714] el0_svc+0x7c/0x1f0 [ 47.993164][ T4714] el0t_64_sync_handler+0x84/0xe4 [ 47.994279][ T4714] el0t_64_sync+0x1a0/0x1a4 executing program [ 48.001399][ T4714] debugfs: out of free dentries, can not create directory 'nbd0' [ 48.003254][ T4714] block nbd0: Failed to create debugfs dir for 'nbd0' [ 48.007348][ T4717] FAULT_INJECTION: forcing a failure. [ 48.007348][ T4717] name failslab, interval 1, probability 0, space 0, times 0 [ 48.009603][ T4717] CPU: 0 PID: 4717 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.009821][ T4726] block nbd1: shutting down sockets [ 48.011160][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.011172][ T4717] Call trace: [ 48.011176][ T4717] dump_backtrace+0x0/0x530 [ 48.011193][ T4717] show_stack+0x2c/0x3c [ 48.011204][ T4717] dump_stack_lvl+0x108/0x170 [ 48.011215][ T4717] dump_stack+0x1c/0x58 [ 48.019318][ T4717] should_fail+0x3b8/0x514 [ 48.020332][ T4717] __should_failslab+0xbc/0x110 [ 48.021628][ T4717] should_failslab+0x10/0x28 [ 48.022682][ T4717] slab_pre_alloc_hook+0x64/0xe8 [ 48.023899][ T4717] kmem_cache_alloc+0x98/0x45c [ 48.024990][ T4717] __d_alloc+0x3c/0x6a8 [ 48.025970][ T4717] d_alloc_parallel+0xb8/0x11bc [ 48.027078][ T4717] __lookup_slow+0x108/0x388 [ 48.028159][ T4717] lookup_one_len+0x178/0x28c [ 48.029308][ T4717] start_creating+0x19c/0x2e0 [ 48.030401][ T4717] debugfs_create_dir+0x34/0x420 [ 48.031580][ T4717] nbd_start_device+0x3bc/0xb34 [ 48.032782][ T4717] nbd_ioctl+0x420/0xc2c [ 48.033800][ T4717] blkdev_ioctl+0x3d8/0xbd0 [ 48.034848][ T4717] block_ioctl+0xa8/0x114 executing program [ 48.035835][ T4717] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.036925][ T4717] invoke_syscall+0x98/0x2b8 [ 48.037939][ T4717] el0_svc_common+0x138/0x258 [ 48.039044][ T4717] do_el0_svc+0x58/0x14c [ 48.040095][ T4717] el0_svc+0x7c/0x1f0 [ 48.041037][ T4717] el0t_64_sync_handler+0x84/0xe4 [ 48.042152][ T4717] el0t_64_sync+0x1a0/0x1a4 [ 48.043657][ T4717] block nbd3: Failed to create debugfs dir for 'nbd3' [ 48.043713][ T4721] FAULT_INJECTION: forcing a failure. [ 48.043713][ T4721] name failslab, interval 1, probability 0, space 0, times 0 [ 48.048713][ T4721] CPU: 1 PID: 4721 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.050763][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.053098][ T4721] Call trace: [ 48.053806][ T4721] dump_backtrace+0x0/0x530 [ 48.054915][ T4721] show_stack+0x2c/0x3c [ 48.055942][ T4721] dump_stack_lvl+0x108/0x170 [ 48.057020][ T4721] dump_stack+0x1c/0x58 [ 48.058117][ T4721] should_fail+0x3b8/0x514 [ 48.059227][ T4721] __should_failslab+0xbc/0x110 [ 48.060357][ T4721] should_failslab+0x10/0x28 [ 48.061479][ T4721] slab_pre_alloc_hook+0x64/0xe8 [ 48.062615][ T4721] kmem_cache_alloc+0x98/0x45c [ 48.063705][ T4721] new_inode_pseudo+0x110/0x200 [ 48.064818][ T4721] new_inode+0x38/0x174 [ 48.065791][ T4721] debugfs_create_dir+0xf0/0x420 [ 48.067007][ T4721] nbd_start_device+0x3bc/0xb34 [ 48.068142][ T4721] nbd_ioctl+0x420/0xc2c [ 48.069181][ T4721] blkdev_ioctl+0x3d8/0xbd0 [ 48.070256][ T4721] block_ioctl+0xa8/0x114 [ 48.071250][ T4721] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.072347][ T4721] invoke_syscall+0x98/0x2b8 [ 48.073523][ T4721] el0_svc_common+0x138/0x258 [ 48.074672][ T4721] do_el0_svc+0x58/0x14c [ 48.075613][ T4721] el0_svc+0x7c/0x1f0 [ 48.076552][ T4721] el0t_64_sync_handler+0x84/0xe4 [ 48.077767][ T4721] el0t_64_sync+0x1a0/0x1a4 executing program [ 48.083540][ T4724] block nbd4: shutting down sockets [ 48.083616][ T4721] debugfs: out of free dentries, can not create directory 'nbd1' [ 48.087756][ T4721] block nbd1: Failed to create debugfs dir for 'nbd1' executing program [ 48.096908][ T4724] FAULT_INJECTION: forcing a failure. [ 48.096908][ T4724] name failslab, interval 1, probability 0, space 0, times 0 [ 48.100153][ T4724] CPU: 1 PID: 4724 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.102048][ T4724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.104643][ T4724] Call trace: [ 48.105493][ T4724] dump_backtrace+0x0/0x530 [ 48.106582][ T4724] show_stack+0x2c/0x3c [ 48.107545][ T4724] dump_stack_lvl+0x108/0x170 [ 48.108663][ T4724] dump_stack+0x1c/0x58 [ 48.109640][ T4724] should_fail+0x3b8/0x514 [ 48.110707][ T4724] __should_failslab+0xbc/0x110 [ 48.111898][ T4724] should_failslab+0x10/0x28 [ 48.113180][ T4724] slab_pre_alloc_hook+0x64/0xe8 [ 48.114411][ T4724] kmem_cache_alloc+0x98/0x45c [ 48.115703][ T4724] __d_alloc+0x3c/0x6a8 [ 48.116846][ T4724] d_alloc_parallel+0xb8/0x11bc [ 48.118017][ T4724] __lookup_slow+0x108/0x388 [ 48.119273][ T4724] lookup_one_len+0x178/0x28c [ 48.120400][ T4724] start_creating+0x19c/0x2e0 [ 48.121607][ T4724] debugfs_create_dir+0x34/0x420 [ 48.122851][ T4724] nbd_start_device+0x3bc/0xb34 [ 48.124013][ T4724] nbd_ioctl+0x420/0xc2c [ 48.125112][ T4724] blkdev_ioctl+0x3d8/0xbd0 [ 48.126185][ T4724] block_ioctl+0xa8/0x114 [ 48.127283][ T4724] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.128483][ T4724] invoke_syscall+0x98/0x2b8 [ 48.129619][ T4724] el0_svc_common+0x138/0x258 [ 48.130756][ T4724] do_el0_svc+0x58/0x14c [ 48.131844][ T4724] el0_svc+0x7c/0x1f0 [ 48.132848][ T4724] el0t_64_sync_handler+0x84/0xe4 [ 48.134179][ T4724] el0t_64_sync+0x1a0/0x1a4 [ 48.136102][ T4724] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 48.147657][ T4732] block nbd2: shutting down sockets [ 48.152396][ T4727] FAULT_INJECTION: forcing a failure. [ 48.152396][ T4727] name failslab, interval 1, probability 0, space 0, times 0 [ 48.155830][ T4727] CPU: 1 PID: 4727 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.156246][ T4737] block nbd0: shutting down sockets [ 48.157973][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.161741][ T4727] Call trace: [ 48.162550][ T4727] dump_backtrace+0x0/0x530 [ 48.163662][ T4727] show_stack+0x2c/0x3c [ 48.164684][ T4727] dump_stack_lvl+0x108/0x170 [ 48.165867][ T4727] dump_stack+0x1c/0x58 [ 48.166968][ T4727] should_fail+0x3b8/0x514 [ 48.167992][ T4727] __should_failslab+0xbc/0x110 [ 48.168979][ T4727] should_failslab+0x10/0x28 [ 48.169821][ T4727] slab_pre_alloc_hook+0x64/0xe8 [ 48.170736][ T4727] kmem_cache_alloc+0x98/0x45c [ 48.171725][ T4727] __d_alloc+0x3c/0x6a8 [ 48.172762][ T4727] d_alloc_parallel+0xb8/0x11bc [ 48.173949][ T4727] __lookup_slow+0x108/0x388 [ 48.175134][ T4727] lookup_one_len+0x178/0x28c [ 48.176281][ T4727] start_creating+0x19c/0x2e0 [ 48.177458][ T4727] debugfs_create_dir+0x34/0x420 [ 48.178711][ T4727] nbd_start_device+0x3bc/0xb34 [ 48.180004][ T4727] nbd_ioctl+0x420/0xc2c [ 48.181082][ T4727] blkdev_ioctl+0x3d8/0xbd0 [ 48.182257][ T4727] block_ioctl+0xa8/0x114 [ 48.183351][ T4727] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.184598][ T4727] invoke_syscall+0x98/0x2b8 [ 48.185800][ T4727] el0_svc_common+0x138/0x258 [ 48.186963][ T4727] do_el0_svc+0x58/0x14c [ 48.187993][ T4727] el0_svc+0x7c/0x1f0 [ 48.189054][ T4727] el0t_64_sync_handler+0x84/0xe4 [ 48.190361][ T4727] el0t_64_sync+0x1a0/0x1a4 [ 48.191748][ T4727] block nbd2: Failed to create debugfs dir for 'nbd2' [ 48.193197][ T4730] FAULT_INJECTION: forcing a failure. [ 48.193197][ T4730] name failslab, interval 1, probability 0, space 0, times 0 [ 48.198138][ T4730] CPU: 0 PID: 4730 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.200077][ T4730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.202182][ T4730] Call trace: [ 48.202989][ T4730] dump_backtrace+0x0/0x530 [ 48.203985][ T4730] show_stack+0x2c/0x3c [ 48.205008][ T4730] dump_stack_lvl+0x108/0x170 [ 48.206051][ T4730] dump_stack+0x1c/0x58 [ 48.206952][ T4730] should_fail+0x3b8/0x514 [ 48.207953][ T4730] __should_failslab+0xbc/0x110 [ 48.209010][ T4730] should_failslab+0x10/0x28 [ 48.210038][ T4730] slab_pre_alloc_hook+0x64/0xe8 [ 48.211130][ T4730] kmem_cache_alloc+0x98/0x45c [ 48.212234][ T4730] new_inode_pseudo+0x110/0x200 [ 48.213296][ T4730] new_inode+0x38/0x174 [ 48.214251][ T4730] debugfs_create_dir+0xf0/0x420 [ 48.215386][ T4730] nbd_start_device+0x3bc/0xb34 [ 48.216537][ T4730] nbd_ioctl+0x420/0xc2c [ 48.217495][ T4730] blkdev_ioctl+0x3d8/0xbd0 [ 48.218552][ T4730] block_ioctl+0xa8/0x114 [ 48.219557][ T4730] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.220685][ T4730] invoke_syscall+0x98/0x2b8 [ 48.221791][ T4730] el0_svc_common+0x138/0x258 [ 48.222903][ T4730] do_el0_svc+0x58/0x14c [ 48.223902][ T4730] el0_svc+0x7c/0x1f0 [ 48.224821][ T4730] el0t_64_sync_handler+0x84/0xe4 [ 48.226040][ T4730] el0t_64_sync+0x1a0/0x1a4 executing program [ 48.230023][ T4730] debugfs: out of free dentries, can not create directory 'nbd0' [ 48.232320][ T4730] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 48.245238][ T4736] block nbd3: shutting down sockets [ 48.245455][ T4740] block nbd1: shutting down sockets [ 48.256441][ T4735] FAULT_INJECTION: forcing a failure. [ 48.256441][ T4735] name failslab, interval 1, probability 0, space 0, times 0 [ 48.259908][ T4735] CPU: 1 PID: 4735 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.262011][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.264596][ T4735] Call trace: [ 48.265392][ T4745] block nbd4: shutting down sockets [ 48.265440][ T4735] dump_backtrace+0x0/0x530 [ 48.267777][ T4735] show_stack+0x2c/0x3c [ 48.268892][ T4735] dump_stack_lvl+0x108/0x170 [ 48.270119][ T4735] dump_stack+0x1c/0x58 [ 48.271187][ T4735] should_fail+0x3b8/0x514 [ 48.272297][ T4735] __should_failslab+0xbc/0x110 [ 48.273535][ T4735] should_failslab+0x10/0x28 [ 48.274699][ T4735] slab_pre_alloc_hook+0x64/0xe8 [ 48.275986][ T4735] kmem_cache_alloc+0x98/0x45c [ 48.277155][ T4735] __d_alloc+0x3c/0x6a8 [ 48.278240][ T4735] d_alloc_parallel+0xb8/0x11bc [ 48.279543][ T4735] __lookup_slow+0x108/0x388 [ 48.280763][ T4735] lookup_one_len+0x178/0x28c [ 48.282008][ T4735] start_creating+0x19c/0x2e0 [ 48.283257][ T4735] debugfs_create_dir+0x34/0x420 [ 48.284555][ T4735] nbd_start_device+0x3bc/0xb34 [ 48.285814][ T4735] nbd_ioctl+0x420/0xc2c [ 48.287022][ T4735] blkdev_ioctl+0x3d8/0xbd0 [ 48.288311][ T4735] block_ioctl+0xa8/0x114 [ 48.289464][ T4735] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.290783][ T4735] invoke_syscall+0x98/0x2b8 [ 48.292045][ T4735] el0_svc_common+0x138/0x258 [ 48.293285][ T4735] do_el0_svc+0x58/0x14c [ 48.294477][ T4735] el0_svc+0x7c/0x1f0 [ 48.295546][ T4735] el0t_64_sync_handler+0x84/0xe4 [ 48.296922][ T4735] el0t_64_sync+0x1a0/0x1a4 [ 48.300108][ T4733] FAULT_INJECTION: forcing a failure. [ 48.300108][ T4733] name failslab, interval 1, probability 0, space 0, times 0 [ 48.302151][ T4735] block nbd1: Failed to create debugfs dir for 'nbd1' [ 48.303133][ T4733] CPU: 0 PID: 4733 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.306799][ T4733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.309108][ T4733] Call trace: [ 48.309878][ T4733] dump_backtrace+0x0/0x530 [ 48.310892][ T4733] show_stack+0x2c/0x3c [ 48.311813][ T4733] dump_stack_lvl+0x108/0x170 [ 48.312902][ T4733] dump_stack+0x1c/0x58 [ 48.313832][ T4733] should_fail+0x3b8/0x514 [ 48.314849][ T4733] __should_failslab+0xbc/0x110 [ 48.315876][ T4733] should_failslab+0x10/0x28 [ 48.316879][ T4733] slab_pre_alloc_hook+0x64/0xe8 [ 48.318052][ T4733] kmem_cache_alloc+0x98/0x45c [ 48.319082][ T4733] new_inode_pseudo+0x110/0x200 [ 48.320184][ T4733] new_inode+0x38/0x174 [ 48.321198][ T4733] debugfs_create_dir+0xf0/0x420 [ 48.322326][ T4733] nbd_start_device+0x3bc/0xb34 [ 48.323441][ T4733] nbd_ioctl+0x420/0xc2c [ 48.324413][ T4733] blkdev_ioctl+0x3d8/0xbd0 [ 48.325543][ T4733] block_ioctl+0xa8/0x114 [ 48.326468][ T4733] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.327578][ T4733] invoke_syscall+0x98/0x2b8 [ 48.328576][ T4733] el0_svc_common+0x138/0x258 [ 48.329629][ T4733] do_el0_svc+0x58/0x14c [ 48.330603][ T4733] el0_svc+0x7c/0x1f0 [ 48.331501][ T4733] el0t_64_sync_handler+0x84/0xe4 [ 48.332692][ T4733] el0t_64_sync+0x1a0/0x1a4 executing program [ 48.335211][ T4733] debugfs: out of free dentries, can not create directory 'nbd3' [ 48.337177][ T4739] FAULT_INJECTION: forcing a failure. [ 48.337177][ T4739] name failslab, interval 1, probability 0, space 0, times 0 [ 48.338772][ T4733] block nbd3: Failed to create debugfs dir for 'nbd3' [ 48.340420][ T4739] CPU: 0 PID: 4739 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.343663][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.346010][ T4739] Call trace: [ 48.346752][ T4739] dump_backtrace+0x0/0x530 [ 48.347757][ T4739] show_stack+0x2c/0x3c [ 48.348722][ T4739] dump_stack_lvl+0x108/0x170 [ 48.349782][ T4739] dump_stack+0x1c/0x58 [ 48.350745][ T4739] should_fail+0x3b8/0x514 [ 48.351809][ T4739] __should_failslab+0xbc/0x110 [ 48.352890][ T4739] should_failslab+0x10/0x28 [ 48.353890][ T4739] slab_pre_alloc_hook+0x64/0xe8 [ 48.354964][ T4739] kmem_cache_alloc+0x98/0x45c [ 48.356068][ T4739] new_inode_pseudo+0x110/0x200 [ 48.357213][ T4739] new_inode+0x38/0x174 [ 48.358135][ T4739] debugfs_create_dir+0xf0/0x420 [ 48.359267][ T4739] nbd_start_device+0x3bc/0xb34 [ 48.360315][ T4739] nbd_ioctl+0x420/0xc2c [ 48.361253][ T4739] blkdev_ioctl+0x3d8/0xbd0 [ 48.362305][ T4739] block_ioctl+0xa8/0x114 [ 48.363218][ T4739] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.364366][ T4739] invoke_syscall+0x98/0x2b8 [ 48.365452][ T4739] el0_svc_common+0x138/0x258 [ 48.366537][ T4739] do_el0_svc+0x58/0x14c [ 48.367552][ T4739] el0_svc+0x7c/0x1f0 [ 48.368471][ T4739] el0t_64_sync_handler+0x84/0xe4 [ 48.369595][ T4739] el0t_64_sync+0x1a0/0x1a4 [ 48.372091][ T4739] debugfs: out of free dentries, can not create directory 'nbd4' [ 48.376049][ T4746] block nbd2: shutting down sockets [ 48.385432][ T4747] block nbd0: shutting down sockets [ 48.385768][ T4739] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 48.394237][ T4744] FAULT_INJECTION: forcing a failure. [ 48.394237][ T4744] name failslab, interval 1, probability 0, space 0, times 0 [ 48.397334][ T4744] CPU: 0 PID: 4744 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 executing program [ 48.399212][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.401535][ T4744] Call trace: [ 48.402255][ T4744] dump_backtrace+0x0/0x530 [ 48.403262][ T4744] show_stack+0x2c/0x3c [ 48.404169][ T4744] dump_stack_lvl+0x108/0x170 [ 48.405290][ T4744] dump_stack+0x1c/0x58 [ 48.406304][ T4744] should_fail+0x3b8/0x514 [ 48.407375][ T4744] __should_failslab+0xbc/0x110 [ 48.408545][ T4744] should_failslab+0x10/0x28 [ 48.409669][ T4744] slab_pre_alloc_hook+0x64/0xe8 [ 48.410801][ T4744] kmem_cache_alloc+0x98/0x45c [ 48.411866][ T4744] __d_alloc+0x3c/0x6a8 [ 48.412801][ T4744] d_alloc_parallel+0xb8/0x11bc [ 48.413926][ T4744] __lookup_slow+0x108/0x388 [ 48.414967][ T4744] lookup_one_len+0x178/0x28c [ 48.416112][ T4744] start_creating+0x19c/0x2e0 [ 48.417223][ T4744] debugfs_create_dir+0x34/0x420 [ 48.418468][ T4744] nbd_start_device+0x3bc/0xb34 [ 48.419641][ T4744] nbd_ioctl+0x420/0xc2c [ 48.420634][ T4744] blkdev_ioctl+0x3d8/0xbd0 [ 48.421687][ T4744] block_ioctl+0xa8/0x114 [ 48.422655][ T4744] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.423763][ T4744] invoke_syscall+0x98/0x2b8 [ 48.424817][ T4744] el0_svc_common+0x138/0x258 [ 48.425966][ T4744] do_el0_svc+0x58/0x14c [ 48.426977][ T4744] el0_svc+0x7c/0x1f0 [ 48.427959][ T4744] el0t_64_sync_handler+0x84/0xe4 [ 48.429153][ T4744] el0t_64_sync+0x1a0/0x1a4 [ 48.431120][ T4742] FAULT_INJECTION: forcing a failure. [ 48.431120][ T4742] name failslab, interval 1, probability 0, space 0, times 0 [ 48.433770][ T4744] block nbd0: Failed to create debugfs dir for 'nbd0' [ 48.433899][ T4742] CPU: 0 PID: 4742 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.437540][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.439875][ T4742] Call trace: [ 48.440667][ T4742] dump_backtrace+0x0/0x530 [ 48.441718][ T4742] show_stack+0x2c/0x3c [ 48.442728][ T4742] dump_stack_lvl+0x108/0x170 [ 48.443811][ T4742] dump_stack+0x1c/0x58 [ 48.444803][ T4742] should_fail+0x3b8/0x514 [ 48.445804][ T4742] __should_failslab+0xbc/0x110 [ 48.446951][ T4742] should_failslab+0x10/0x28 [ 48.448048][ T4742] slab_pre_alloc_hook+0x64/0xe8 [ 48.449135][ T4742] kmem_cache_alloc+0x98/0x45c [ 48.450194][ T4742] new_inode_pseudo+0x110/0x200 [ 48.451260][ T4742] new_inode+0x38/0x174 [ 48.452207][ T4742] debugfs_create_dir+0xf0/0x420 [ 48.453351][ T4742] nbd_start_device+0x3bc/0xb34 [ 48.454428][ T4742] nbd_ioctl+0x420/0xc2c [ 48.455431][ T4742] blkdev_ioctl+0x3d8/0xbd0 [ 48.456440][ T4742] block_ioctl+0xa8/0x114 [ 48.457472][ T4742] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.458637][ T4742] invoke_syscall+0x98/0x2b8 [ 48.459742][ T4742] el0_svc_common+0x138/0x258 executing program [ 48.460808][ T4742] do_el0_svc+0x58/0x14c [ 48.461796][ T4742] el0_svc+0x7c/0x1f0 [ 48.462696][ T4742] el0t_64_sync_handler+0x84/0xe4 [ 48.463876][ T4742] el0t_64_sync+0x1a0/0x1a4 [ 48.466370][ T4742] debugfs: out of free dentries, can not create directory 'nbd2' [ 48.468812][ T4742] block nbd2: Failed to create debugfs dir for 'nbd2' [ 48.485952][ T4752] block nbd1: Device being setup by another task [ 48.487560][ T4749] block nbd1: shutting down sockets executing program [ 48.545738][ T4754] block nbd4: shutting down sockets [ 48.546652][ T4751] block nbd3: shutting down sockets [ 48.556844][ T4751] FAULT_INJECTION: forcing a failure. [ 48.556844][ T4751] name failslab, interval 1, probability 0, space 0, times 0 [ 48.557149][ T4757] block nbd0: shutting down sockets [ 48.559630][ T4751] CPU: 0 PID: 4751 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.559648][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.559656][ T4751] Call trace: [ 48.565912][ T4751] dump_backtrace+0x0/0x530 [ 48.566954][ T4751] show_stack+0x2c/0x3c [ 48.567896][ T4751] dump_stack_lvl+0x108/0x170 [ 48.568963][ T4751] dump_stack+0x1c/0x58 [ 48.569988][ T4751] should_fail+0x3b8/0x514 [ 48.570938][ T4751] __should_failslab+0xbc/0x110 [ 48.572106][ T4751] should_failslab+0x10/0x28 [ 48.573155][ T4751] slab_pre_alloc_hook+0x64/0xe8 [ 48.574335][ T4751] kmem_cache_alloc+0x98/0x45c [ 48.575359][ T4751] __d_alloc+0x3c/0x6a8 [ 48.576364][ T4751] d_alloc_parallel+0xb8/0x11bc [ 48.577484][ T4751] __lookup_slow+0x108/0x388 [ 48.578472][ T4751] lookup_one_len+0x178/0x28c [ 48.579499][ T4751] start_creating+0x19c/0x2e0 [ 48.580573][ T4751] debugfs_create_dir+0x34/0x420 [ 48.581679][ T4751] nbd_start_device+0x3bc/0xb34 [ 48.582857][ T4751] nbd_ioctl+0x420/0xc2c [ 48.583874][ T4751] blkdev_ioctl+0x3d8/0xbd0 [ 48.584962][ T4751] block_ioctl+0xa8/0x114 [ 48.585924][ T4751] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.587036][ T4751] invoke_syscall+0x98/0x2b8 [ 48.588122][ T4751] el0_svc_common+0x138/0x258 [ 48.589183][ T4751] do_el0_svc+0x58/0x14c [ 48.590196][ T4751] el0_svc+0x7c/0x1f0 [ 48.591115][ T4751] el0t_64_sync_handler+0x84/0xe4 [ 48.592342][ T4751] el0t_64_sync+0x1a0/0x1a4 [ 48.596129][ T4757] FAULT_INJECTION: forcing a failure. [ 48.596129][ T4757] name failslab, interval 1, probability 0, space 0, times 0 [ 48.596937][ T4749] FAULT_INJECTION: forcing a failure. [ 48.596937][ T4749] name failslab, interval 1, probability 0, space 0, times 0 [ 48.599654][ T4757] CPU: 1 PID: 4757 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.604737][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.607520][ T4757] Call trace: [ 48.608340][ T4757] dump_backtrace+0x0/0x530 [ 48.609449][ T4757] show_stack+0x2c/0x3c [ 48.610548][ T4757] dump_stack_lvl+0x108/0x170 [ 48.611720][ T4757] dump_stack+0x1c/0x58 [ 48.612716][ T4757] should_fail+0x3b8/0x514 [ 48.613701][ T4757] __should_failslab+0xbc/0x110 [ 48.614868][ T4757] should_failslab+0x10/0x28 [ 48.616146][ T4757] slab_pre_alloc_hook+0x64/0xe8 [ 48.617357][ T4757] kmem_cache_alloc+0x98/0x45c [ 48.618608][ T4757] new_inode_pseudo+0x110/0x200 [ 48.619828][ T4757] new_inode+0x38/0x174 [ 48.620871][ T4757] debugfs_create_dir+0xf0/0x420 [ 48.622067][ T4757] nbd_start_device+0x3bc/0xb34 [ 48.623338][ T4757] nbd_ioctl+0x420/0xc2c [ 48.624382][ T4757] blkdev_ioctl+0x3d8/0xbd0 [ 48.625459][ T4757] block_ioctl+0xa8/0x114 [ 48.626637][ T4757] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.627944][ T4757] invoke_syscall+0x98/0x2b8 [ 48.629211][ T4757] el0_svc_common+0x138/0x258 [ 48.630405][ T4757] do_el0_svc+0x58/0x14c [ 48.631485][ T4757] el0_svc+0x7c/0x1f0 [ 48.632458][ T4757] el0t_64_sync_handler+0x84/0xe4 [ 48.633695][ T4757] el0t_64_sync+0x1a0/0x1a4 [ 48.634833][ T4749] CPU: 0 PID: 4749 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.635654][ T4751] block nbd3: Failed to create debugfs dir for 'nbd3' [ 48.636825][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.636837][ T4749] Call trace: [ 48.636841][ T4749] dump_backtrace+0x0/0x530 [ 48.636857][ T4749] show_stack+0x2c/0x3c [ 48.636868][ T4749] dump_stack_lvl+0x108/0x170 [ 48.644225][ T4757] debugfs: out of free dentries, can not create directory 'nbd0' [ 48.644829][ T4749] dump_stack+0x1c/0x58 [ 48.647632][ T4749] should_fail+0x3b8/0x514 [ 48.648700][ T4749] __should_failslab+0xbc/0x110 [ 48.649816][ T4749] should_failslab+0x10/0x28 [ 48.650397][ T4754] FAULT_INJECTION: forcing a failure. [ 48.650397][ T4754] name failslab, interval 1, probability 0, space 0, times 0 [ 48.650831][ T4749] slab_pre_alloc_hook+0x64/0xe8 [ 48.650848][ T4749] __kmalloc_track_caller+0x78/0x3d8 [ 48.650860][ T4749] kstrdup+0xe4/0x15c [ 48.650871][ T4749] kstrdup_const+0x54/0x6c [ 48.650882][ T4749] __kernfs_new_node+0xa8/0x684 [ 48.657613][ T4757] block nbd0: Failed to create debugfs dir for 'nbd0' [ 48.658357][ T4749] kernfs_new_node+0x98/0x194 [ 48.662041][ T4749] kernfs_create_dir_ns+0x58/0x12c [ 48.663193][ T4749] sysfs_create_dir_ns+0x150/0x318 [ 48.664516][ T4749] kobject_add_internal+0x384/0x8f0 [ 48.665793][ T4749] kobject_add+0x14c/0x21c [ 48.666769][ T4749] blk_mq_register_hctx+0xc8/0x368 [ 48.667947][ T4749] blk_mq_sysfs_register+0xc8/0x194 [ 48.669114][ T4749] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 48.670464][ T4749] nbd_start_device+0x158/0xb34 [ 48.671595][ T4749] nbd_ioctl+0x420/0xc2c [ 48.672588][ T4749] blkdev_ioctl+0x3d8/0xbd0 [ 48.673673][ T4749] block_ioctl+0xa8/0x114 [ 48.674607][ T4749] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.675758][ T4749] invoke_syscall+0x98/0x2b8 [ 48.676755][ T4749] el0_svc_common+0x138/0x258 [ 48.677848][ T4749] do_el0_svc+0x58/0x14c [ 48.678804][ T4749] el0_svc+0x7c/0x1f0 [ 48.679755][ T4749] el0t_64_sync_handler+0x84/0xe4 [ 48.680895][ T4749] el0t_64_sync+0x1a0/0x1a4 [ 48.681925][ T4754] CPU: 1 PID: 4754 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.684076][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.686643][ T4754] Call trace: [ 48.687468][ T4754] dump_backtrace+0x0/0x530 [ 48.688584][ T4754] show_stack+0x2c/0x3c [ 48.688941][ T4761] block nbd2: shutting down sockets [ 48.689658][ T4754] dump_stack_lvl+0x108/0x170 [ 48.689678][ T4754] dump_stack+0x1c/0x58 [ 48.689688][ T4754] should_fail+0x3b8/0x514 [ 48.689701][ T4754] __should_failslab+0xbc/0x110 [ 48.695396][ T4754] should_failslab+0x10/0x28 [ 48.696459][ T4754] slab_pre_alloc_hook+0x64/0xe8 [ 48.697671][ T4754] kmem_cache_alloc+0x98/0x45c [ 48.698909][ T4754] new_inode_pseudo+0x110/0x200 [ 48.700216][ T4754] new_inode+0x38/0x174 [ 48.701322][ T4754] debugfs_create_dir+0xf0/0x420 [ 48.702642][ T4754] nbd_start_device+0x3bc/0xb34 [ 48.703929][ T4754] nbd_ioctl+0x420/0xc2c [ 48.705075][ T4754] blkdev_ioctl+0x3d8/0xbd0 [ 48.705333][ T4749] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 48.706214][ T4754] block_ioctl+0xa8/0x114 [ 48.706232][ T4754] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.706250][ T4754] invoke_syscall+0x98/0x2b8 [ 48.711595][ T4754] el0_svc_common+0x138/0x258 [ 48.712820][ T4754] do_el0_svc+0x58/0x14c [ 48.713959][ T4754] el0_svc+0x7c/0x1f0 [ 48.715006][ T4754] el0t_64_sync_handler+0x84/0xe4 [ 48.716391][ T4754] el0t_64_sync+0x1a0/0x1a4 [ 48.719459][ T4754] debugfs: out of free dentries, can not create directory 'nbd4' [ 48.722261][ T4763] FAULT_INJECTION: forcing a failure. [ 48.722261][ T4763] name failslab, interval 1, probability 0, space 0, times 0 [ 48.726772][ T4763] CPU: 0 PID: 4763 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.728776][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.731142][ T4763] Call trace: [ 48.731918][ T4763] dump_backtrace+0x0/0x530 [ 48.732889][ T4763] show_stack+0x2c/0x3c [ 48.733765][ T4763] dump_stack_lvl+0x108/0x170 [ 48.734817][ T4763] dump_stack+0x1c/0x58 [ 48.735758][ T4763] should_fail+0x3b8/0x514 [ 48.736768][ T4763] __should_failslab+0xbc/0x110 [ 48.737865][ T4763] should_failslab+0x10/0x28 [ 48.738812][ T4763] slab_pre_alloc_hook+0x64/0xe8 [ 48.739837][ T4763] kmem_cache_alloc+0x98/0x45c [ 48.740959][ T4763] __d_alloc+0x3c/0x6a8 [ 48.741897][ T4763] d_alloc_parallel+0xb8/0x11bc [ 48.742990][ T4763] __lookup_slow+0x108/0x388 [ 48.743950][ T4763] lookup_one_len+0x178/0x28c [ 48.745079][ T4763] start_creating+0x19c/0x2e0 [ 48.746229][ T4763] debugfs_create_dir+0x34/0x420 [ 48.747326][ T4763] nbd_start_device+0x3bc/0xb34 [ 48.748557][ T4763] nbd_ioctl+0x420/0xc2c [ 48.749550][ T4763] blkdev_ioctl+0x3d8/0xbd0 [ 48.750611][ T4763] block_ioctl+0xa8/0x114 [ 48.751570][ T4763] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.752683][ T4763] invoke_syscall+0x98/0x2b8 [ 48.753787][ T4763] el0_svc_common+0x138/0x258 [ 48.754872][ T4763] do_el0_svc+0x58/0x14c [ 48.755809][ T4763] el0_svc+0x7c/0x1f0 [ 48.756724][ T4763] el0t_64_sync_handler+0x84/0xe4 [ 48.757939][ T4763] el0t_64_sync+0x1a0/0x1a4 [ 48.762400][ T4754] block nbd4: Failed to create debugfs dir for 'nbd4' [ 48.764531][ T4763] block nbd2: Failed to create debugfs dir for 'nbd2' executing program executing program executing program executing program executing program [ 48.865594][ T4768] block nbd3: shutting down sockets [ 48.865706][ T4766] block nbd1: shutting down sockets [ 48.875904][ T4769] block nbd0: shutting down sockets [ 48.885628][ T4772] block nbd4: shutting down sockets [ 48.886424][ T4773] block nbd2: shutting down sockets [ 48.888018][ T4768] FAULT_INJECTION: forcing a failure. [ 48.888018][ T4768] name failslab, interval 1, probability 0, space 0, times 0 [ 48.890936][ T4768] CPU: 0 PID: 4768 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.892864][ T4768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.895109][ T4768] Call trace: [ 48.895843][ T4768] dump_backtrace+0x0/0x530 [ 48.896881][ T4768] show_stack+0x2c/0x3c [ 48.897842][ T4768] dump_stack_lvl+0x108/0x170 [ 48.898881][ T4768] dump_stack+0x1c/0x58 [ 48.899783][ T4768] should_fail+0x3b8/0x514 [ 48.900756][ T4768] __should_failslab+0xbc/0x110 [ 48.901859][ T4768] should_failslab+0x10/0x28 [ 48.902892][ T4768] slab_pre_alloc_hook+0x64/0xe8 [ 48.904071][ T4768] kmem_cache_alloc+0x98/0x45c [ 48.905192][ T4768] new_inode_pseudo+0x110/0x200 [ 48.906252][ T4768] new_inode+0x38/0x174 [ 48.907234][ T4768] debugfs_create_dir+0xf0/0x420 [ 48.908323][ T4768] nbd_start_device+0x3bc/0xb34 [ 48.909432][ T4768] nbd_ioctl+0x420/0xc2c [ 48.910426][ T4768] blkdev_ioctl+0x3d8/0xbd0 [ 48.911445][ T4768] block_ioctl+0xa8/0x114 [ 48.912379][ T4768] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.913467][ T4768] invoke_syscall+0x98/0x2b8 [ 48.914473][ T4768] el0_svc_common+0x138/0x258 [ 48.915607][ T4768] do_el0_svc+0x58/0x14c [ 48.916585][ T4768] el0_svc+0x7c/0x1f0 [ 48.917458][ T4768] el0t_64_sync_handler+0x84/0xe4 [ 48.918568][ T4768] el0t_64_sync+0x1a0/0x1a4 [ 48.920207][ T4768] debugfs: out of free dentries, can not create directory 'nbd3' [ 48.921987][ T4773] FAULT_INJECTION: forcing a failure. [ 48.921987][ T4773] name failslab, interval 1, probability 0, space 0, times 0 [ 48.923288][ T4768] block nbd3: Failed to create debugfs dir for 'nbd3' [ 48.924762][ T4773] CPU: 0 PID: 4773 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.924779][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.924787][ T4773] Call trace: [ 48.924791][ T4773] dump_backtrace+0x0/0x530 [ 48.924805][ T4773] show_stack+0x2c/0x3c [ 48.933388][ T4773] dump_stack_lvl+0x108/0x170 [ 48.934419][ T4773] dump_stack+0x1c/0x58 [ 48.935319][ T4773] should_fail+0x3b8/0x514 [ 48.936354][ T4773] __should_failslab+0xbc/0x110 [ 48.937439][ T4773] should_failslab+0x10/0x28 [ 48.938485][ T4773] slab_pre_alloc_hook+0x64/0xe8 [ 48.939624][ T4773] kmem_cache_alloc+0x98/0x45c [ 48.940751][ T4773] new_inode_pseudo+0x110/0x200 [ 48.941819][ T4773] new_inode+0x38/0x174 [ 48.942790][ T4773] debugfs_create_dir+0xf0/0x420 [ 48.943959][ T4773] nbd_start_device+0x3bc/0xb34 [ 48.945110][ T4773] nbd_ioctl+0x420/0xc2c [ 48.946076][ T4773] blkdev_ioctl+0x3d8/0xbd0 [ 48.947107][ T4773] block_ioctl+0xa8/0x114 [ 48.948116][ T4773] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.949273][ T4773] invoke_syscall+0x98/0x2b8 [ 48.950423][ T4773] el0_svc_common+0x138/0x258 [ 48.951537][ T4773] do_el0_svc+0x58/0x14c [ 48.952485][ T4773] el0_svc+0x7c/0x1f0 executing program [ 48.953428][ T4773] el0t_64_sync_handler+0x84/0xe4 [ 48.954636][ T4773] el0t_64_sync+0x1a0/0x1a4 [ 48.957303][ T4773] debugfs: out of free dentries, can not create directory 'nbd2' [ 48.959210][ T4773] block nbd2: Failed to create debugfs dir for 'nbd2' [ 48.959254][ T4769] FAULT_INJECTION: forcing a failure. [ 48.959254][ T4769] name failslab, interval 1, probability 0, space 0, times 0 [ 48.964820][ T4769] CPU: 1 PID: 4769 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 48.966865][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 48.969396][ T4769] Call trace: [ 48.970183][ T4769] dump_backtrace+0x0/0x530 [ 48.971340][ T4769] show_stack+0x2c/0x3c [ 48.972409][ T4769] dump_stack_lvl+0x108/0x170 [ 48.973561][ T4769] dump_stack+0x1c/0x58 [ 48.974646][ T4769] should_fail+0x3b8/0x514 [ 48.975796][ T4769] __should_failslab+0xbc/0x110 [ 48.977096][ T4769] should_failslab+0x10/0x28 [ 48.978278][ T4769] slab_pre_alloc_hook+0x64/0xe8 [ 48.979531][ T4769] kmem_cache_alloc+0x98/0x45c [ 48.980604][ T4769] new_inode_pseudo+0x110/0x200 [ 48.981766][ T4769] new_inode+0x38/0x174 [ 48.982779][ T4769] debugfs_create_dir+0xf0/0x420 [ 48.984054][ T4769] nbd_start_device+0x3bc/0xb34 [ 48.985267][ T4769] nbd_ioctl+0x420/0xc2c [ 48.986446][ T4769] blkdev_ioctl+0x3d8/0xbd0 [ 48.987577][ T4769] block_ioctl+0xa8/0x114 [ 48.988734][ T4769] __arm64_sys_ioctl+0x14c/0x1c8 [ 48.990046][ T4769] invoke_syscall+0x98/0x2b8 [ 48.991259][ T4769] el0_svc_common+0x138/0x258 [ 48.992504][ T4769] do_el0_svc+0x58/0x14c [ 48.993602][ T4769] el0_svc+0x7c/0x1f0 [ 48.994654][ T4769] el0t_64_sync_handler+0x84/0xe4 [ 48.996001][ T4769] el0t_64_sync+0x1a0/0x1a4 [ 49.001361][ T4769] debugfs: out of free dentries, can not create directory 'nbd0' [ 49.002369][ T4766] ------------[ cut here ]------------ [ 49.003231][ T4772] FAULT_INJECTION: forcing a failure. [ 49.003231][ T4772] name failslab, interval 1, probability 0, space 0, times 0 [ 49.004595][ T4766] kernfs: can not remove 'nr_tags', no directory [ 49.004734][ T4766] WARNING: CPU: 1 PID: 4766 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 49.011833][ T4766] Modules linked in: [ 49.012907][ T4766] CPU: 1 PID: 4766 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 49.015328][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.018071][ T4766] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.020221][ T4766] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 49.021679][ T4766] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 49.023218][ T4766] sp : ffff80001da97760 [ 49.024408][ T4766] x29: ffff80001da97760 x28: ffff0000cc2a9000 x27: ffff0000cc245a00 [ 49.025442][ T4772] CPU: 0 PID: 4772 Comm: syz-executor107 Not tainted 5.15.148-syzkaller #0 [ 49.026399][ T4766] x26: 0000000000000000 x25: ffff8000150a7748 [ 49.028404][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.028418][ T4772] Call trace: [ 49.030046][ T4766] x24: 1ffff000023ed628 [ 49.032277][ T4772] dump_backtrace+0x0/0x530 [ 49.033077][ T4766] [ 49.033084][ T4766] x23: dfff800000000000 [ 49.034061][ T4772] show_stack+0x2c/0x3c [ 49.035147][ T4766] x22: ffff8000150a7780 [ 49.035683][ T4772] dump_stack_lvl+0x108/0x170 [ 49.036657][ T4766] x21: 0000000000000000 [ 49.037608][ T4772] dump_stack+0x1c/0x58 [ 49.038660][ T4766] [ 49.039733][ T4772] should_fail+0x3b8/0x514 [ 49.040812][ T4766] x20: 0000000000000000 [ 49.041750][ T4772] __should_failslab+0xbc/0x110 [ 49.042342][ T4766] x19: 00000000fffffffe [ 49.043408][ T4772] should_failslab+0x10/0x28 [ 49.044440][ T4766] x18: 0000000000000000 [ 49.045544][ T4772] slab_pre_alloc_hook+0x64/0xe8 [ 49.046640][ T4766] [ 49.047656][ T4772] kmem_cache_alloc+0x98/0x45c [ 49.048776][ T4766] x17: 0000000000000000 [ 49.049865][ T4772] new_inode_pseudo+0x110/0x200 [ 49.050428][ T4766] x16: ffff80001198323c [ 49.051479][ T4772] new_inode+0x38/0x174 [ 49.052528][ T4766] x15: 0000000000000063 [ 49.053631][ T4772] debugfs_create_dir+0xf0/0x420 [ 49.054747][ T4766] [ 49.055741][ T4772] nbd_start_device+0x3bc/0xb34 [ 49.056827][ T4766] x14: 1ffff0000292406a [ 49.057893][ T4772] nbd_ioctl+0x420/0xc2c [ 49.058470][ T4766] x13: dfff800000000000 [ 49.059533][ T4772] blkdev_ioctl+0x3d8/0xbd0 [ 49.060502][ T4766] x12: 0000000000000001 [ 49.061420][ T4772] block_ioctl+0xa8/0x114 [ 49.062429][ T4766] [ 49.063449][ T4772] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.064485][ T4766] x11: 0000000000000000 [ 49.065475][ T4772] invoke_syscall+0x98/0x2b8 [ 49.066064][ T4766] x10: 0000000000000000 [ 49.067188][ T4772] el0_svc_common+0x138/0x258 [ 49.068220][ T4766] x9 : 0c61684c74cc4400 [ 49.069280][ T4772] do_el0_svc+0x58/0x14c [ 49.070386][ T4766] [ 49.071341][ T4772] el0_svc+0x7c/0x1f0 [ 49.072422][ T4766] x8 : 0c61684c74cc4400 [ 49.073393][ T4772] el0t_64_sync_handler+0x84/0xe4 [ 49.073965][ T4766] x7 : 0000000000000000 [ 49.074860][ T4772] el0t_64_sync+0x1a0/0x1a4 [ 49.075905][ T4766] x6 : 0000000000000000 [ 49.080248][ T4766] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000854d610 [ 49.082290][ T4766] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 49.084185][ T4766] Call trace: [ 49.085008][ T4766] kernfs_remove_by_name_ns+0xd0/0x158 [ 49.086402][ T4766] sysfs_remove_group+0xf8/0x288 [ 49.087650][ T4766] sysfs_remove_groups+0x5c/0xb4 [ 49.088843][ T4766] __kobject_del+0x90/0x2d4 [ 49.089987][ T4766] kobject_del+0x48/0x68 [ 49.091111][ T4766] blk_mq_sysfs_unregister+0x1a0/0x274 [ 49.092455][ T4766] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 49.093946][ T4766] nbd_start_device+0x158/0xb34 [ 49.095176][ T4766] nbd_ioctl+0x420/0xc2c [ 49.095506][ T4769] block nbd0: Failed to create debugfs dir for 'nbd0' [ 49.096271][ T4766] blkdev_ioctl+0x3d8/0xbd0 [ 49.096291][ T4766] block_ioctl+0xa8/0x114 [ 49.096301][ T4766] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.096312][ T4766] invoke_syscall+0x98/0x2b8 [ 49.102423][ T4766] el0_svc_common+0x138/0x258 [ 49.103569][ T4772] debugfs: out of free dentries, can not create directory 'nbd4' [ 49.103593][ T4766] do_el0_svc+0x58/0x14c [ 49.106307][ T4766] el0_svc+0x7c/0x1f0 [ 49.107311][ T4766] el0t_64_sync_handler+0x84/0xe4 [ 49.107916][ T4772] block nbd4: Failed to create debugfs dir for 'nbd4' [ 49.108594][ T4766] el0t_64_sync+0x1a0/0x1a4 [ 49.108616][ T4766] irq event stamp: 2118 [ 49.108622][ T4766] hardirqs last enabled at (2117): [] console_trylock_spinning+0x180/0x280 [ 49.114978][ T4766] hardirqs last disabled at (2118): [] el1_dbg+0x24/0x80 [ 49.117152][ T4766] softirqs last enabled at (458): [] local_bh_enable+0x10/0x34 [ 49.119537][ T4766] softirqs last disabled at (456): [] local_bh_disable+0x10/0x34 [ 49.121911][ T4766] ---[ end trace c997b5f576d326f3 ]--- executing program [ 49.146267][ T4766] ------------[ cut here ]------------ [ 49.147628][ T4766] kernfs: can not remove 'nr_reserved_tags', no directory [ 49.149763][ T4766] WARNING: CPU: 0 PID: 4766 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 49.152144][ T4766] Modules linked in: [ 49.153088][ T4766] CPU: 0 PID: 4766 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 executing program [ 49.155542][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.158302][ T4766] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.160440][ T4766] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 49.161995][ T4766] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 49.163661][ T4766] sp : ffff80001da97760 [ 49.164755][ T4766] x29: ffff80001da97760 x28: ffff0000cc2a9000 x27: ffff0000cc245a00 [ 49.166953][ T4766] x26: 0000000000000000 x25: ffff8000150a7750 x24: 1ffff000023ed628 [ 49.169226][ T4766] x23: dfff800000000000 x22: ffff8000150a77e0 x21: 0000000000000000 [ 49.171408][ T4766] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 49.173577][ T4766] x17: 0000000000000000 x16: ffff80001198323c x15: 00000000ffffffff [ 49.175838][ T4766] x14: ffff0000cffeb680 x13: fffffffffffd6b10 x12: 0000000000000001 [ 49.178011][ T4766] x11: 0000000000000000 x10: 0000000000000000 x9 : 0c61684c74cc4400 [ 49.180303][ T4766] x8 : 0c61684c74cc4400 x7 : fffffffffffd6b10 x6 : fffffffffffd6af0 [ 49.182431][ T4766] x5 : ffff80001da96ed8 x4 : ffff8000149d8130 x3 : ffff80000854d610 [ 49.184473][ T4766] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037 [ 49.186576][ T4766] Call trace: [ 49.187506][ T4766] kernfs_remove_by_name_ns+0xd0/0x158 [ 49.189001][ T4766] sysfs_remove_group+0xf8/0x288 [ 49.190381][ T4766] sysfs_remove_groups+0x5c/0xb4 [ 49.191727][ T4766] __kobject_del+0x90/0x2d4 [ 49.192898][ T4766] kobject_del+0x48/0x68 [ 49.194058][ T4766] blk_mq_sysfs_unregister+0x1a0/0x274 [ 49.195630][ T4766] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 49.197279][ T4766] nbd_start_device+0x158/0xb34 [ 49.198597][ T4766] nbd_ioctl+0x420/0xc2c [ 49.199845][ T4766] blkdev_ioctl+0x3d8/0xbd0 [ 49.201115][ T4766] block_ioctl+0xa8/0x114 [ 49.202349][ T4766] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.203749][ T4766] invoke_syscall+0x98/0x2b8 [ 49.204968][ T4766] el0_svc_common+0x138/0x258 [ 49.206205][ T4766] do_el0_svc+0x58/0x14c [ 49.207305][ T4766] el0_svc+0x7c/0x1f0 [ 49.208358][ T4766] el0t_64_sync_handler+0x84/0xe4 [ 49.209658][ T4766] el0t_64_sync+0x1a0/0x1a4 [ 49.210844][ T4766] irq event stamp: 2306 [ 49.211919][ T4766] hardirqs last enabled at (2305): [] __up_console_sem+0xb4/0x100 [ 49.214368][ T4766] hardirqs last disabled at (2306): [] el1_dbg+0x24/0x80 [ 49.216663][ T4766] softirqs last enabled at (2302): [] __do_softirq+0xb5c/0xdb0 [ 49.219168][ T4766] softirqs last disabled at (2257): [] __irq_exit_rcu+0x264/0x4d4 [ 49.221578][ T4766] ---[ end trace c997b5f576d326f4 ]--- executing program [ 49.227663][ T4766] ------------[ cut here ]------------ [ 49.228983][ T4766] kernfs: can not remove 'cpu_list', no directory [ 49.230667][ T4766] WARNING: CPU: 0 PID: 4766 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 49.233012][ T4766] Modules linked in: [ 49.233964][ T4766] CPU: 0 PID: 4766 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.236403][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.238881][ T4766] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.240798][ T4766] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 49.242262][ T4766] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 49.243784][ T4766] sp : ffff80001da97760 [ 49.244887][ T4766] x29: ffff80001da97760 x28: ffff0000cc2a9000 x27: ffff0000cc245a00 [ 49.246922][ T4766] x26: 0000000000000000 x25: ffff8000150a7758 x24: 1ffff000023ed628 [ 49.249068][ T4766] x23: dfff800000000000 x22: ffff8000150a7840 x21: 0000000000000000 [ 49.251190][ T4766] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 49.253275][ T4766] x17: 0000000000000000 x16: ffff80001198323c x15: 00000000ffffffff [ 49.255281][ T4766] x14: ffff0000cffeb680 x13: fffffffffffd7470 x12: 0000000000000001 [ 49.257298][ T4766] x11: 0000000000000000 x10: 0000000000000000 x9 : 0c61684c74cc4400 [ 49.259296][ T4766] x8 : 0c61684c74cc4400 x7 : fffffffffffd7470 x6 : fffffffffffd7450 [ 49.261345][ T4766] x5 : ffff80001da96ed8 x4 : ffff8000149d8568 x3 : ffff80000854d610 [ 49.263485][ T4766] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 49.265474][ T4766] Call trace: [ 49.266320][ T4766] kernfs_remove_by_name_ns+0xd0/0x158 [ 49.267699][ T4766] sysfs_remove_group+0xf8/0x288 [ 49.268940][ T4766] sysfs_remove_groups+0x5c/0xb4 [ 49.270162][ T4766] __kobject_del+0x90/0x2d4 [ 49.271283][ T4766] kobject_del+0x48/0x68 [ 49.272304][ T4766] blk_mq_sysfs_unregister+0x1a0/0x274 [ 49.273739][ T4766] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 49.275311][ T4766] nbd_start_device+0x158/0xb34 [ 49.276574][ T4766] nbd_ioctl+0x420/0xc2c [ 49.277759][ T4766] blkdev_ioctl+0x3d8/0xbd0 [ 49.278925][ T4766] block_ioctl+0xa8/0x114 [ 49.279994][ T4766] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.281192][ T4766] invoke_syscall+0x98/0x2b8 [ 49.282310][ T4766] el0_svc_common+0x138/0x258 [ 49.283412][ T4766] do_el0_svc+0x58/0x14c [ 49.284467][ T4766] el0_svc+0x7c/0x1f0 [ 49.285441][ T4766] el0t_64_sync_handler+0x84/0xe4 [ 49.286802][ T4766] el0t_64_sync+0x1a0/0x1a4 [ 49.287979][ T4766] irq event stamp: 2542 [ 49.289050][ T4766] hardirqs last enabled at (2541): [] __up_console_sem+0xb4/0x100 [ 49.291352][ T4766] hardirqs last disabled at (2542): [] el1_dbg+0x24/0x80 [ 49.293653][ T4766] softirqs last enabled at (2518): [] __do_softirq+0xb5c/0xdb0 [ 49.295958][ T4766] softirqs last disabled at (2309): [] __irq_exit_rcu+0x264/0x4d4 [ 49.298449][ T4766] ---[ end trace c997b5f576d326f5 ]--- [ 49.302650][ T4766] FAULT_INJECTION: forcing a failure. [ 49.302650][ T4766] name failslab, interval 1, probability 0, space 0, times 0 [ 49.306137][ T4781] block nbd3: shutting down sockets [ 49.306225][ T4766] CPU: 0 PID: 4766 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.309804][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.312247][ T4766] Call trace: [ 49.313145][ T4766] dump_backtrace+0x0/0x530 [ 49.314299][ T4766] show_stack+0x2c/0x3c [ 49.315345][ T4766] dump_stack_lvl+0x108/0x170 [ 49.316300][ T4786] block nbd4: shutting down sockets [ 49.316572][ T4766] dump_stack+0x1c/0x58 [ 49.318833][ T4766] should_fail+0x3b8/0x514 [ 49.319924][ T4766] __should_failslab+0xbc/0x110 [ 49.321198][ T4766] should_failslab+0x10/0x28 [ 49.322329][ T4766] slab_pre_alloc_hook+0x64/0xe8 [ 49.323616][ T4766] __kmalloc_node+0xbc/0x5b8 [ 49.324862][ T4766] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 49.326271][ T4766] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 49.327721][ T4766] nbd_start_device+0x158/0xb34 [ 49.328994][ T4766] nbd_ioctl+0x420/0xc2c [ 49.330088][ T4766] blkdev_ioctl+0x3d8/0xbd0 [ 49.331217][ T4766] block_ioctl+0xa8/0x114 [ 49.332267][ T4766] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.333501][ T4766] invoke_syscall+0x98/0x2b8 [ 49.334653][ T4766] el0_svc_common+0x138/0x258 [ 49.335461][ T4782] block nbd2: shutting down sockets [ 49.335777][ T4766] do_el0_svc+0x58/0x14c [ 49.337982][ T4766] el0_svc+0x7c/0x1f0 [ 49.338827][ T4790] FAULT_INJECTION: forcing a failure. [ 49.338827][ T4790] name failslab, interval 1, probability 0, space 0, times 0 [ 49.338987][ T4766] el0t_64_sync_handler+0x84/0xe4 [ 49.343240][ T4766] el0t_64_sync+0x1a0/0x1a4 [ 49.344476][ T4790] CPU: 1 PID: 4790 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.346842][ T4790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.348351][ T4766] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 49.349268][ T4790] Call trace: [ 49.351722][ T4790] dump_backtrace+0x0/0x530 [ 49.352779][ T4790] show_stack+0x2c/0x3c [ 49.353731][ T4790] dump_stack_lvl+0x108/0x170 [ 49.354820][ T4790] dump_stack+0x1c/0x58 [ 49.355775][ T4790] should_fail+0x3b8/0x514 [ 49.356750][ T4790] __should_failslab+0xbc/0x110 [ 49.357865][ T4790] should_failslab+0x10/0x28 [ 49.358910][ T4790] slab_pre_alloc_hook+0x64/0xe8 [ 49.360132][ T4790] kmem_cache_alloc+0x98/0x45c [ 49.361197][ T4790] __d_alloc+0x3c/0x6a8 [ 49.362116][ T4790] d_alloc_parallel+0xb8/0x11bc [ 49.363338][ T4790] __lookup_slow+0x108/0x388 [ 49.364442][ T4790] lookup_one_len+0x178/0x28c [ 49.365594][ T4790] start_creating+0x19c/0x2e0 [ 49.366753][ T4790] debugfs_create_dir+0x34/0x420 [ 49.367821][ T4790] nbd_start_device+0x3bc/0xb34 [ 49.368981][ T4790] nbd_ioctl+0x420/0xc2c [ 49.369919][ T4790] blkdev_ioctl+0x3d8/0xbd0 [ 49.370988][ T4790] block_ioctl+0xa8/0x114 [ 49.372090][ T4790] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.373364][ T4790] invoke_syscall+0x98/0x2b8 [ 49.374505][ T4790] el0_svc_common+0x138/0x258 [ 49.375610][ T4790] do_el0_svc+0x58/0x14c [ 49.376560][ T4790] el0_svc+0x7c/0x1f0 [ 49.377456][ T4790] el0t_64_sync_handler+0x84/0xe4 [ 49.378638][ T4790] el0t_64_sync+0x1a0/0x1a4 [ 49.380372][ T4790] block nbd3: Failed to create debugfs dir for 'nbd3' [ 49.395266][ T4791] block nbd0: Device being setup by another task [ 49.396829][ T4785] block nbd0: shutting down sockets executing program [ 49.420612][ T4782] FAULT_INJECTION: forcing a failure. [ 49.420612][ T4782] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 49.423574][ T4782] CPU: 1 PID: 4782 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.425796][ T4782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.428154][ T4782] Call trace: [ 49.428944][ T4782] dump_backtrace+0x0/0x530 [ 49.429962][ T4782] show_stack+0x2c/0x3c [ 49.430896][ T4782] dump_stack_lvl+0x108/0x170 [ 49.431950][ T4782] dump_stack+0x1c/0x58 [ 49.432939][ T4782] should_fail+0x3b8/0x514 [ 49.433885][ T4782] should_fail_alloc_page+0x74/0xa8 [ 49.435085][ T4782] prepare_alloc_pages+0x160/0x460 [ 49.436238][ T4782] __alloc_pages+0x138/0x674 [ 49.437296][ T4782] alloc_pages+0x368/0x5d4 [ 49.438369][ T4782] new_slab+0xec/0x56c [ 49.439306][ T4782] ___slab_alloc+0x6bc/0xdbc [ 49.440332][ T4782] __kmalloc_track_caller+0x298/0x3d8 [ 49.441520][ T4782] kvasprintf+0x184/0x290 [ 49.442564][ T4782] kvasprintf_const+0xdc/0x230 [ 49.443642][ T4782] kobject_set_name_vargs+0xd0/0x1b8 [ 49.444895][ T4782] kobject_add+0x114/0x21c [ 49.445900][ T4782] blk_mq_register_hctx+0xc8/0x368 [ 49.447131][ T4782] blk_mq_sysfs_register+0xc8/0x194 [ 49.448379][ T4782] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 49.449772][ T4782] nbd_start_device+0x158/0xb34 [ 49.450885][ T4782] nbd_ioctl+0x420/0xc2c [ 49.451885][ T4782] blkdev_ioctl+0x3d8/0xbd0 [ 49.452866][ T4782] block_ioctl+0xa8/0x114 [ 49.453919][ T4782] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.455111][ T4782] invoke_syscall+0x98/0x2b8 [ 49.456232][ T4782] el0_svc_common+0x138/0x258 [ 49.457289][ T4782] do_el0_svc+0x58/0x14c [ 49.458317][ T4782] el0_svc+0x7c/0x1f0 [ 49.459243][ T4782] el0t_64_sync_handler+0x84/0xe4 [ 49.460402][ T4782] el0t_64_sync+0x1a0/0x1a4 [ 49.461732][ T4786] FAULT_INJECTION: forcing a failure. [ 49.461732][ T4786] name failslab, interval 1, probability 0, space 0, times 0 [ 49.464565][ T4786] CPU: 1 PID: 4786 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.466945][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.469285][ T4786] Call trace: [ 49.470037][ T4786] dump_backtrace+0x0/0x530 [ 49.471156][ T4786] show_stack+0x2c/0x3c [ 49.472140][ T4786] dump_stack_lvl+0x108/0x170 [ 49.473245][ T4786] dump_stack+0x1c/0x58 [ 49.474303][ T4786] should_fail+0x3b8/0x514 [ 49.475352][ T4786] __should_failslab+0xbc/0x110 [ 49.476519][ T4786] should_failslab+0x10/0x28 [ 49.477522][ T4786] slab_pre_alloc_hook+0x64/0xe8 executing program [ 49.478567][ T4786] kmem_cache_alloc+0x98/0x45c [ 49.479649][ T4786] __d_alloc+0x3c/0x6a8 [ 49.480669][ T4786] d_alloc_parallel+0xb8/0x11bc [ 49.481820][ T4786] __lookup_slow+0x108/0x388 [ 49.482934][ T4786] lookup_one_len+0x178/0x28c [ 49.483963][ T4786] start_creating+0x19c/0x2e0 [ 49.485054][ T4786] debugfs_create_dir+0x34/0x420 [ 49.486149][ T4786] nbd_start_device+0x3bc/0xb34 [ 49.487205][ T4786] nbd_ioctl+0x420/0xc2c [ 49.488189][ T4786] blkdev_ioctl+0x3d8/0xbd0 [ 49.489249][ T4786] block_ioctl+0xa8/0x114 [ 49.490279][ T4786] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.491437][ T4786] invoke_syscall+0x98/0x2b8 [ 49.492499][ T4786] el0_svc_common+0x138/0x258 [ 49.493559][ T4786] do_el0_svc+0x58/0x14c [ 49.494557][ T4786] el0_svc+0x7c/0x1f0 [ 49.495525][ T4786] el0t_64_sync_handler+0x84/0xe4 [ 49.496729][ T4786] el0t_64_sync+0x1a0/0x1a4 [ 49.498663][ T4786] block nbd4: Failed to create debugfs dir for 'nbd4' [ 49.510771][ T4787] FAULT_INJECTION: forcing a failure. [ 49.510771][ T4787] name failslab, interval 1, probability 0, space 0, times 0 [ 49.513893][ T4787] CPU: 0 PID: 4787 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.516482][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.519122][ T4787] Call trace: [ 49.519891][ T4787] dump_backtrace+0x0/0x530 [ 49.521051][ T4787] show_stack+0x2c/0x3c [ 49.522076][ T4787] dump_stack_lvl+0x108/0x170 [ 49.523294][ T4787] dump_stack+0x1c/0x58 [ 49.524394][ T4787] should_fail+0x3b8/0x514 [ 49.525573][ T4787] __should_failslab+0xbc/0x110 [ 49.526844][ T4787] should_failslab+0x10/0x28 [ 49.527966][ T4787] slab_pre_alloc_hook+0x64/0xe8 [ 49.529211][ T4787] __kmalloc_track_caller+0x78/0x3d8 [ 49.530542][ T4787] kstrdup+0xe4/0x15c [ 49.531483][ T4787] kstrdup_const+0x54/0x6c [ 49.532540][ T4787] __kernfs_new_node+0xa8/0x684 [ 49.533799][ T4787] kernfs_new_node+0x98/0x194 [ 49.534949][ T4787] kernfs_create_dir_ns+0x58/0x12c [ 49.536274][ T4787] sysfs_create_dir_ns+0x150/0x318 [ 49.537567][ T4787] kobject_add_internal+0x384/0x8f0 [ 49.538968][ T4787] kobject_add+0x14c/0x21c executing program [ 49.540203][ T4787] blk_mq_register_hctx+0xc8/0x368 [ 49.541514][ T4787] blk_mq_sysfs_register+0xc8/0x194 [ 49.542902][ T4787] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 49.544446][ T4787] nbd_start_device+0x158/0xb34 [ 49.545767][ T4787] nbd_ioctl+0x420/0xc2c [ 49.546909][ T4787] blkdev_ioctl+0x3d8/0xbd0 [ 49.548153][ T4787] block_ioctl+0xa8/0x114 [ 49.549384][ T4787] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.550799][ T4787] invoke_syscall+0x98/0x2b8 [ 49.552114][ T4787] el0_svc_common+0x138/0x258 [ 49.553419][ T4787] do_el0_svc+0x58/0x14c [ 49.554548][ T4787] el0_svc+0x7c/0x1f0 [ 49.555563][ T4787] el0t_64_sync_handler+0x84/0xe4 [ 49.556952][ T4787] el0t_64_sync+0x1a0/0x1a4 [ 49.563202][ T4787] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 49.588926][ T4796] block nbd3: shutting down sockets [ 49.596619][ T4796] FAULT_INJECTION: forcing a failure. [ 49.596619][ T4796] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 49.599670][ T4796] CPU: 0 PID: 4796 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.602329][ T4796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.604900][ T4796] Call trace: [ 49.605701][ T4796] dump_backtrace+0x0/0x530 [ 49.606781][ T4796] show_stack+0x2c/0x3c [ 49.607847][ T4796] dump_stack_lvl+0x108/0x170 [ 49.609125][ T4796] dump_stack+0x1c/0x58 [ 49.610212][ T4796] should_fail+0x3b8/0x514 [ 49.611392][ T4796] __should_failslab+0xbc/0x110 [ 49.612585][ T4796] should_failslab+0x10/0x28 [ 49.613807][ T4796] slab_pre_alloc_hook+0x64/0xe8 [ 49.615162][ T4796] kmem_cache_alloc+0x98/0x45c [ 49.616398][ T4796] new_inode_pseudo+0x110/0x200 [ 49.617724][ T4796] new_inode+0x38/0x174 [ 49.618774][ T4796] debugfs_create_dir+0xf0/0x420 [ 49.620109][ T4796] nbd_start_device+0x3bc/0xb34 [ 49.621405][ T4796] nbd_ioctl+0x420/0xc2c [ 49.622476][ T4796] blkdev_ioctl+0x3d8/0xbd0 [ 49.623653][ T4796] block_ioctl+0xa8/0x114 [ 49.624783][ T4796] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.626099][ T4796] invoke_syscall+0x98/0x2b8 [ 49.627299][ T4796] el0_svc_common+0x138/0x258 [ 49.628595][ T4796] do_el0_svc+0x58/0x14c [ 49.629724][ T4796] el0_svc+0x7c/0x1f0 [ 49.630840][ T4796] el0t_64_sync_handler+0x84/0xe4 [ 49.632125][ T4796] el0t_64_sync+0x1a0/0x1a4 executing program [ 49.634878][ T4796] debugfs: out of free dentries, can not create directory 'nbd3' [ 49.636982][ T4796] block nbd3: Failed to create debugfs dir for 'nbd3' executing program [ 49.665181][ T4802] block nbd1: shutting down sockets [ 49.665801][ T4803] block nbd4: shutting down sockets [ 49.676818][ T4800] FAULT_INJECTION: forcing a failure. [ 49.676818][ T4800] name failslab, interval 1, probability 0, space 0, times 0 [ 49.679814][ T4800] CPU: 1 PID: 4800 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.682106][ T4800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.684377][ T4800] Call trace: [ 49.685155][ T4800] dump_backtrace+0x0/0x530 [ 49.686122][ T4800] show_stack+0x2c/0x3c [ 49.686996][ T4800] dump_stack_lvl+0x108/0x170 [ 49.687994][ T4800] dump_stack+0x1c/0x58 [ 49.688952][ T4800] should_fail+0x3b8/0x514 [ 49.689940][ T4800] __should_failslab+0xbc/0x110 [ 49.691079][ T4800] should_failslab+0x10/0x28 [ 49.692174][ T4800] slab_pre_alloc_hook+0x64/0xe8 [ 49.693264][ T4800] kmem_cache_alloc+0x98/0x45c [ 49.694486][ T4800] new_inode_pseudo+0x110/0x200 [ 49.695570][ T4800] new_inode+0x38/0x174 [ 49.696506][ T4800] debugfs_create_dir+0xf0/0x420 [ 49.697658][ T4800] nbd_start_device+0x3bc/0xb34 [ 49.698802][ T4800] nbd_ioctl+0x420/0xc2c [ 49.699800][ T4800] blkdev_ioctl+0x3d8/0xbd0 [ 49.700815][ T4800] block_ioctl+0xa8/0x114 [ 49.701846][ T4800] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.702994][ T4800] invoke_syscall+0x98/0x2b8 [ 49.704057][ T4800] el0_svc_common+0x138/0x258 [ 49.705145][ T4800] do_el0_svc+0x58/0x14c [ 49.706180][ T4800] el0_svc+0x7c/0x1f0 [ 49.707187][ T4800] el0t_64_sync_handler+0x84/0xe4 [ 49.708418][ T4800] el0t_64_sync+0x1a0/0x1a4 [ 49.710976][ T4800] debugfs: out of free dentries, can not create directory 'nbd4' [ 49.712813][ T4800] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 49.745198][ T4810] block nbd2: shutting down sockets [ 49.748997][ T4798] FAULT_INJECTION: forcing a failure. [ 49.748997][ T4798] name failslab, interval 1, probability 0, space 0, times 0 [ 49.752176][ T4798] CPU: 0 PID: 4798 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.754689][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.757207][ T4798] Call trace: [ 49.758114][ T4798] dump_backtrace+0x0/0x530 [ 49.759287][ T4798] show_stack+0x2c/0x3c [ 49.760339][ T4798] dump_stack_lvl+0x108/0x170 [ 49.760549][ T4811] block nbd0: shutting down sockets [ 49.761548][ T4798] dump_stack+0x1c/0x58 [ 49.761569][ T4798] should_fail+0x3b8/0x514 [ 49.761583][ T4798] __should_failslab+0xbc/0x110 [ 49.761596][ T4798] should_failslab+0x10/0x28 [ 49.767548][ T4798] slab_pre_alloc_hook+0x64/0xe8 [ 49.768847][ T4798] __kmalloc_node+0xbc/0x5b8 [ 49.770097][ T4798] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 49.771514][ T4798] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 49.772996][ T4798] nbd_start_device+0x158/0xb34 [ 49.774336][ T4798] nbd_ioctl+0x420/0xc2c [ 49.775437][ T4798] blkdev_ioctl+0x3d8/0xbd0 [ 49.775801][ T4809] block nbd3: shutting down sockets [ 49.776636][ T4798] block_ioctl+0xa8/0x114 [ 49.779013][ T4798] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.780322][ T4798] invoke_syscall+0x98/0x2b8 [ 49.781607][ T4798] el0_svc_common+0x138/0x258 [ 49.782131][ T4809] FAULT_INJECTION: forcing a failure. [ 49.782131][ T4809] name failslab, interval 1, probability 0, space 0, times 0 [ 49.782932][ T4798] do_el0_svc+0x58/0x14c [ 49.782952][ T4798] el0_svc+0x7c/0x1f0 [ 49.782968][ T4798] el0t_64_sync_handler+0x84/0xe4 [ 49.782982][ T4798] el0t_64_sync+0x1a0/0x1a4 [ 49.790641][ T4809] CPU: 1 PID: 4809 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.792272][ T4798] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 49.793062][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.796881][ T4809] Call trace: [ 49.797694][ T4809] dump_backtrace+0x0/0x530 [ 49.798753][ T4809] show_stack+0x2c/0x3c [ 49.799703][ T4809] dump_stack_lvl+0x108/0x170 [ 49.800861][ T4809] dump_stack+0x1c/0x58 [ 49.801797][ T4809] should_fail+0x3b8/0x514 [ 49.802776][ T4809] __should_failslab+0xbc/0x110 [ 49.803913][ T4809] should_failslab+0x10/0x28 [ 49.804911][ T4809] slab_pre_alloc_hook+0x64/0xe8 [ 49.806167][ T4809] kmem_cache_alloc+0x98/0x45c [ 49.807311][ T4809] new_inode_pseudo+0x110/0x200 [ 49.808534][ T4809] new_inode+0x38/0x174 [ 49.809565][ T4809] debugfs_create_dir+0xf0/0x420 [ 49.810654][ T4809] nbd_start_device+0x3bc/0xb34 [ 49.811873][ T4809] nbd_ioctl+0x420/0xc2c [ 49.812771][ T4809] blkdev_ioctl+0x3d8/0xbd0 [ 49.813823][ T4809] block_ioctl+0xa8/0x114 [ 49.814831][ T4809] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.815993][ T4809] invoke_syscall+0x98/0x2b8 [ 49.817066][ T4809] el0_svc_common+0x138/0x258 [ 49.818246][ T4809] do_el0_svc+0x58/0x14c [ 49.819311][ T4809] el0_svc+0x7c/0x1f0 [ 49.820242][ T4809] el0t_64_sync_handler+0x84/0xe4 [ 49.821428][ T4809] el0t_64_sync+0x1a0/0x1a4 [ 49.824128][ T4809] debugfs: out of free dentries, can not create directory 'nbd3' [ 49.831877][ T4806] FAULT_INJECTION: forcing a failure. [ 49.831877][ T4806] name failslab, interval 1, probability 0, space 0, times 0 [ 49.835271][ T4809] block nbd3: Failed to create debugfs dir for 'nbd3' [ 49.835287][ T4806] CPU: 1 PID: 4806 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.839147][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.841419][ T4806] Call trace: [ 49.842172][ T4806] dump_backtrace+0x0/0x530 [ 49.843162][ T4806] show_stack+0x2c/0x3c [ 49.844058][ T4806] dump_stack_lvl+0x108/0x170 [ 49.845146][ T4806] dump_stack+0x1c/0x58 [ 49.846092][ T4806] should_fail+0x3b8/0x514 [ 49.847095][ T4806] __should_failslab+0xbc/0x110 [ 49.848206][ T4806] should_failslab+0x10/0x28 [ 49.849317][ T4806] slab_pre_alloc_hook+0x64/0xe8 [ 49.850367][ T4806] __kmalloc_node+0xbc/0x5b8 [ 49.851510][ T4806] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 49.852691][ T4806] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 49.853985][ T4806] nbd_start_device+0x158/0xb34 [ 49.855075][ T4806] nbd_ioctl+0x420/0xc2c [ 49.855905][ T4807] ------------[ cut here ]------------ [ 49.856046][ T4806] blkdev_ioctl+0x3d8/0xbd0 [ 49.857655][ T4807] kernfs: can not remove 'nr_tags', no directory [ 49.858488][ T4806] block_ioctl+0xa8/0x114 [ 49.860413][ T4807] WARNING: CPU: 0 PID: 4807 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 49.861123][ T4806] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.863734][ T4807] Modules linked in: [ 49.864877][ T4806] invoke_syscall+0x98/0x2b8 [ 49.865868][ T4807] CPU: 0 PID: 4807 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.866890][ T4806] el0_svc_common+0x138/0x258 [ 49.869399][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.870474][ T4806] do_el0_svc+0x58/0x14c [ 49.872995][ T4807] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.873963][ T4806] el0_svc+0x7c/0x1f0 [ 49.875856][ T4807] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 49.876740][ T4806] el0t_64_sync_handler+0x84/0xe4 [ 49.878182][ T4807] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 49.879302][ T4806] el0t_64_sync+0x1a0/0x1a4 [ 49.880550][ T4807] sp : ffff80001dce7760 [ 49.882447][ T4807] x29: ffff80001dce7760 x28: ffff0000cc1cc000 x27: ffff0000cc232200 [ 49.884292][ T4807] x26: 0000000000000000 x25: ffff8000150a7748 x24: 1ffff000023ed628 [ 49.886215][ T4807] x23: dfff800000000000 x22: ffff8000150a7780 x21: 0000000000000000 [ 49.888066][ T4807] x20: 0000000000000000 x19: 00000000fffffffe x18: 1fffe000368fe78e [ 49.889817][ T4807] x17: 1fffe000368fe78e x16: ffff80001198323c x15: ffff8000149bed40 [ 49.891704][ T4807] x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000001 [ 49.893568][ T4807] x11: 0000000000000000 x10: 0000000000000000 x9 : d8ba139f74bede00 [ 49.895475][ T4807] x8 : d8ba139f74bede00 x7 : 0000000000000000 x6 : 0000000000000000 [ 49.897400][ T4807] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000854d610 [ 49.899443][ T4807] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 49.901266][ T4807] Call trace: [ 49.901989][ T4807] kernfs_remove_by_name_ns+0xd0/0x158 [ 49.903377][ T4807] sysfs_remove_group+0xf8/0x288 [ 49.904545][ T4807] sysfs_remove_groups+0x5c/0xb4 [ 49.905592][ T4806] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 49.905745][ T4807] __kobject_del+0x90/0x2d4 [ 49.908377][ T4807] kobject_del+0x48/0x68 [ 49.909343][ T4807] blk_mq_sysfs_unregister+0x1a0/0x274 [ 49.910694][ T4807] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 49.912123][ T4807] nbd_start_device+0x158/0xb34 [ 49.913245][ T4807] nbd_ioctl+0x420/0xc2c [ 49.914490][ T4807] blkdev_ioctl+0x3d8/0xbd0 [ 49.915634][ T4807] block_ioctl+0xa8/0x114 [ 49.916840][ T4807] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.918116][ T4807] invoke_syscall+0x98/0x2b8 [ 49.919198][ T4807] el0_svc_common+0x138/0x258 [ 49.920359][ T4807] do_el0_svc+0x58/0x14c [ 49.921413][ T4807] el0_svc+0x7c/0x1f0 [ 49.922441][ T4807] el0t_64_sync_handler+0x84/0xe4 [ 49.923593][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 49.924643][ T4807] irq event stamp: 1960 executing program [ 49.925683][ T4807] hardirqs last enabled at (1959): [] finish_lock_switch+0xbc/0x1e8 [ 49.928274][ T4807] hardirqs last disabled at (1960): [] el1_dbg+0x24/0x80 [ 49.930545][ T4807] softirqs last enabled at (284): [] local_bh_enable+0x10/0x34 [ 49.932995][ T4807] softirqs last disabled at (282): [] local_bh_disable+0x10/0x34 [ 49.935736][ T4807] ---[ end trace c997b5f576d326f6 ]--- [ 49.938649][ T4807] ------------[ cut here ]------------ [ 49.939906][ T4807] kernfs: can not remove 'nr_reserved_tags', no directory [ 49.939947][ T4814] block nbd4: shutting down sockets [ 49.941695][ T4807] WARNING: CPU: 1 PID: 4807 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 49.945067][ T4807] Modules linked in: [ 49.945893][ T4807] CPU: 1 PID: 4807 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.948271][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.950815][ T4807] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.952639][ T4807] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 49.954041][ T4807] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 49.955403][ T4807] sp : ffff80001dce7760 [ 49.956366][ T4807] x29: ffff80001dce7760 x28: ffff0000cc1cc000 x27: ffff0000cc232200 [ 49.958158][ T4807] x26: 0000000000000000 x25: ffff8000150a7750 x24: 1ffff000023ed628 [ 49.960057][ T4807] x23: dfff800000000000 x22: ffff8000150a77e0 x21: 0000000000000000 [ 49.960734][ T4814] FAULT_INJECTION: forcing a failure. [ 49.960734][ T4814] name failslab, interval 1, probability 0, space 0, times 0 [ 49.961873][ T4807] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 49.961898][ T4807] x17: 0000000000000000 x16: ffff80001198323c x15: 0000000000000012 [ 49.961916][ T4807] x14: 1ffff0000292406a x13: dfff800000000000 [ 49.965385][ T4814] CPU: 0 PID: 4814 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 49.966821][ T4807] x12: 0000000000000001 [ 49.968706][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 49.970063][ T4807] [ 49.972562][ T4814] Call trace: [ 49.973493][ T4807] x11: 0000000000000000 [ 49.975905][ T4814] dump_backtrace+0x0/0x530 [ 49.976379][ T4807] x10: 0000000000000000 [ 49.977168][ T4814] show_stack+0x2c/0x3c [ 49.978174][ T4807] x9 : d8ba139f74bede00 [ 49.979276][ T4814] dump_stack_lvl+0x108/0x170 [ 49.980252][ T4807] [ 49.981377][ T4814] dump_stack+0x1c/0x58 [ 49.982362][ T4807] x8 : d8ba139f74bede00 [ 49.983606][ T4814] should_fail+0x3b8/0x514 [ 49.984111][ T4807] x7 : 0000000000000000 [ 49.985236][ T4814] __should_failslab+0xbc/0x110 [ 49.986204][ T4807] x6 : 0000000000000000 [ 49.987282][ T4814] should_failslab+0x10/0x28 [ 49.988239][ T4807] [ 49.988246][ T4807] x5 : 0000000000000080 [ 49.989369][ T4814] slab_pre_alloc_hook+0x64/0xe8 [ 49.990323][ T4807] x4 : 0000000000000000 [ 49.991554][ T4814] kmem_cache_alloc+0x98/0x45c [ 49.992073][ T4807] x3 : ffff80000854d610 [ 49.993120][ T4814] new_inode_pseudo+0x110/0x200 [ 49.994229][ T4807] [ 49.994236][ T4807] x2 : 0000000000000001 [ 49.995322][ T4814] new_inode+0x38/0x174 [ 49.996458][ T4807] x1 : 0000000100000000 [ 49.997532][ T4814] debugfs_create_dir+0xf0/0x420 [ 49.998661][ T4807] x0 : 0000000000000037 [ 49.999233][ T4814] nbd_start_device+0x3bc/0xb34 [ 50.000251][ T4807] [ 50.001215][ T4814] nbd_ioctl+0x420/0xc2c [ 50.001981][ T4807] Call trace: [ 50.002872][ T4814] blkdev_ioctl+0x3d8/0xbd0 [ 50.003654][ T4807] kernfs_remove_by_name_ns+0xd0/0x158 [ 50.004535][ T4814] block_ioctl+0xa8/0x114 [ 50.004969][ T4807] sysfs_remove_group+0xf8/0x288 [ 50.005736][ T4814] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.006388][ T4807] sysfs_remove_groups+0x5c/0xb4 [ 50.007437][ T4814] invoke_syscall+0x98/0x2b8 [ 50.008667][ T4807] __kobject_del+0x90/0x2d4 [ 50.009739][ T4814] el0_svc_common+0x138/0x258 [ 50.010868][ T4807] kobject_del+0x48/0x68 [ 50.012112][ T4814] do_el0_svc+0x58/0x14c [ 50.013228][ T4807] blk_mq_sysfs_unregister+0x1a0/0x274 [ 50.014327][ T4814] el0_svc+0x7c/0x1f0 [ 50.015339][ T4807] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 50.016512][ T4814] el0t_64_sync_handler+0x84/0xe4 [ 50.017501][ T4807] nbd_start_device+0x158/0xb34 executing program [ 50.018648][ T4814] el0t_64_sync+0x1a0/0x1a4 [ 50.019920][ T4807] nbd_ioctl+0x420/0xc2c [ 50.022940][ T4814] debugfs: out of free dentries, can not create directory 'nbd4' [ 50.023476][ T4807] blkdev_ioctl+0x3d8/0xbd0 [ 50.023495][ T4807] block_ioctl+0xa8/0x114 [ 50.023505][ T4807] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.031950][ T4807] invoke_syscall+0x98/0x2b8 [ 50.033083][ T4807] el0_svc_common+0x138/0x258 [ 50.034227][ T4807] do_el0_svc+0x58/0x14c [ 50.035290][ T4807] el0_svc+0x7c/0x1f0 executing program [ 50.036234][ T4807] el0t_64_sync_handler+0x84/0xe4 [ 50.037371][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 50.038404][ T4807] irq event stamp: 2016 [ 50.039415][ T4807] hardirqs last enabled at (2015): [] console_unlock+0xc7c/0x1394 [ 50.039427][ T4814] block nbd4: Failed to create debugfs dir for 'nbd4' [ 50.041604][ T4807] hardirqs last disabled at (2016): [] el1_dbg+0x24/0x80 [ 50.041628][ T4807] softirqs last enabled at (1996): [] __do_softirq+0xb5c/0xdb0 [ 50.041643][ T4807] softirqs last disabled at (1963): [] __irq_exit_rcu+0x264/0x4d4 [ 50.041658][ T4807] ---[ end trace c997b5f576d326f7 ]--- [ 50.055272][ T4807] ------------[ cut here ]------------ [ 50.057076][ T4807] kernfs: can not remove 'cpu_list', no directory [ 50.059101][ T4807] WARNING: CPU: 0 PID: 4807 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 50.061512][ T4807] Modules linked in: [ 50.062520][ T4807] CPU: 0 PID: 4807 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.064935][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 executing program [ 50.067486][ T4807] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 50.069464][ T4807] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 50.071006][ T4807] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 50.072551][ T4807] sp : ffff80001dce7760 [ 50.073611][ T4807] x29: ffff80001dce7760 x28: ffff0000cc1cc000 x27: ffff0000cc232200 [ 50.075840][ T4807] x26: 0000000000000000 x25: ffff8000150a7758 x24: 1ffff000023ed628 [ 50.078049][ T4807] x23: dfff800000000000 x22: ffff8000150a7840 x21: 0000000000000000 [ 50.080050][ T4807] x20: 0000000000000000 x19: 00000000fffffffe x18: 1fffe000368fe78e [ 50.082097][ T4807] x17: 1fffe000368fe78e x16: ffff80001198323c x15: ffff8000149bed40 [ 50.084297][ T4807] x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000001 [ 50.086469][ T4807] x11: 0000000000000000 x10: 0000000000000000 x9 : d8ba139f74bede00 [ 50.088582][ T4807] x8 : d8ba139f74bede00 x7 : 0000000000000000 x6 : 0000000000000000 [ 50.090353][ T4807] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000854d610 [ 50.092349][ T4807] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 50.094212][ T4807] Call trace: [ 50.095000][ T4807] kernfs_remove_by_name_ns+0xd0/0x158 [ 50.096258][ T4807] sysfs_remove_group+0xf8/0x288 [ 50.097399][ T4807] sysfs_remove_groups+0x5c/0xb4 [ 50.098590][ T4807] __kobject_del+0x90/0x2d4 [ 50.099675][ T4807] kobject_del+0x48/0x68 [ 50.100744][ T4807] blk_mq_sysfs_unregister+0x1a0/0x274 [ 50.102129][ T4807] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 50.103535][ T4807] nbd_start_device+0x158/0xb34 [ 50.104757][ T4807] nbd_ioctl+0x420/0xc2c [ 50.105757][ T4807] blkdev_ioctl+0x3d8/0xbd0 [ 50.106867][ T4807] block_ioctl+0xa8/0x114 [ 50.107857][ T4807] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.109062][ T4807] invoke_syscall+0x98/0x2b8 [ 50.110156][ T4807] el0_svc_common+0x138/0x258 [ 50.111225][ T4807] do_el0_svc+0x58/0x14c [ 50.112287][ T4807] el0_svc+0x7c/0x1f0 [ 50.113303][ T4807] el0t_64_sync_handler+0x84/0xe4 [ 50.114531][ T4807] el0t_64_sync+0x1a0/0x1a4 [ 50.115568][ T4807] irq event stamp: 2100 [ 50.116590][ T4807] hardirqs last enabled at (2099): [] finish_lock_switch+0xbc/0x1e8 [ 50.118750][ T4807] hardirqs last disabled at (2100): [] el1_dbg+0x24/0x80 [ 50.120888][ T4807] softirqs last enabled at (2038): [] __do_softirq+0xb5c/0xdb0 [ 50.123070][ T4807] softirqs last disabled at (2019): [] __irq_exit_rcu+0x264/0x4d4 [ 50.125435][ T4807] ---[ end trace c997b5f576d326f8 ]--- [ 50.129362][ T4807] FAULT_INJECTION: forcing a failure. [ 50.129362][ T4807] name failslab, interval 1, probability 0, space 0, times 0 [ 50.132737][ T4807] CPU: 1 PID: 4807 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.135124][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.137446][ T4807] Call trace: [ 50.138172][ T4807] dump_backtrace+0x0/0x530 [ 50.139211][ T4807] show_stack+0x2c/0x3c [ 50.140147][ T4807] dump_stack_lvl+0x108/0x170 [ 50.141251][ T4807] dump_stack+0x1c/0x58 [ 50.142196][ T4807] should_fail+0x3b8/0x514 [ 50.143236][ T4807] __should_failslab+0xbc/0x110 [ 50.144409][ T4807] should_failslab+0x10/0x28 [ 50.145462][ T4807] slab_pre_alloc_hook+0x64/0xe8 [ 50.146574][ T4807] __kmalloc_node+0xbc/0x5b8 [ 50.147637][ T4807] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 50.148985][ T4807] nbd_start_device+0x158/0xb34 [ 50.150107][ T4807] nbd_ioctl+0x420/0xc2c [ 50.151048][ T4807] blkdev_ioctl+0x3d8/0xbd0 [ 50.152110][ T4807] block_ioctl+0xa8/0x114 [ 50.153098][ T4807] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.154237][ T4807] invoke_syscall+0x98/0x2b8 [ 50.155332][ T4807] el0_svc_common+0x138/0x258 [ 50.156458][ T4807] do_el0_svc+0x58/0x14c [ 50.157484][ T4807] el0_svc+0x7c/0x1f0 [ 50.158503][ T4807] el0t_64_sync_handler+0x84/0xe4 [ 50.159789][ T4807] el0t_64_sync+0x1a0/0x1a4 executing program [ 50.176529][ T4822] block nbd3: shutting down sockets [ 50.179719][ T4828] block nbd2: Device being setup by another task [ 50.181921][ T4820] block nbd2: shutting down sockets [ 50.196067][ T4822] FAULT_INJECTION: forcing a failure. [ 50.196067][ T4822] name failslab, interval 1, probability 0, space 0, times 0 [ 50.199357][ T4822] CPU: 1 PID: 4822 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.201686][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.203936][ T4822] Call trace: [ 50.204726][ T4822] dump_backtrace+0x0/0x530 [ 50.205762][ T4822] show_stack+0x2c/0x3c [ 50.206691][ T4822] dump_stack_lvl+0x108/0x170 [ 50.207737][ T4822] dump_stack+0x1c/0x58 [ 50.208697][ T4822] should_fail+0x3b8/0x514 [ 50.209788][ T4822] __should_failslab+0xbc/0x110 [ 50.210910][ T4822] should_failslab+0x10/0x28 [ 50.212055][ T4822] slab_pre_alloc_hook+0x64/0xe8 [ 50.213220][ T4822] kmem_cache_alloc+0x98/0x45c [ 50.214277][ T4822] __d_alloc+0x3c/0x6a8 [ 50.215226][ T4822] d_alloc_parallel+0xb8/0x11bc [ 50.216292][ T4822] __lookup_slow+0x108/0x388 [ 50.217341][ T4822] lookup_one_len+0x178/0x28c [ 50.218350][ T4822] start_creating+0x19c/0x2e0 [ 50.219390][ T4822] debugfs_create_dir+0x34/0x420 [ 50.220584][ T4822] nbd_start_device+0x3bc/0xb34 [ 50.221657][ T4822] nbd_ioctl+0x420/0xc2c [ 50.222483][ T4822] blkdev_ioctl+0x3d8/0xbd0 [ 50.223351][ T4822] block_ioctl+0xa8/0x114 [ 50.224232][ T4822] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.225276][ T4822] invoke_syscall+0x98/0x2b8 [ 50.226401][ T4822] el0_svc_common+0x138/0x258 [ 50.227453][ T4822] do_el0_svc+0x58/0x14c [ 50.228438][ T4822] el0_svc+0x7c/0x1f0 [ 50.229295][ T4822] el0t_64_sync_handler+0x84/0xe4 [ 50.230452][ T4822] el0t_64_sync+0x1a0/0x1a4 [ 50.233347][ T4822] block nbd3: Failed to create debugfs dir for 'nbd3' [ 50.234607][ T4820] FAULT_INJECTION: forcing a failure. [ 50.234607][ T4820] name failslab, interval 1, probability 0, space 0, times 0 [ 50.239859][ T4820] CPU: 0 PID: 4820 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.242097][ T4820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.244340][ T4820] Call trace: [ 50.245154][ T4820] dump_backtrace+0x0/0x530 [ 50.246149][ T4820] show_stack+0x2c/0x3c [ 50.247082][ T4820] dump_stack_lvl+0x108/0x170 [ 50.247351][ T4826] block nbd1: Device being setup by another task [ 50.248236][ T4820] dump_stack+0x1c/0x58 [ 50.250009][ T4827] block nbd4: shutting down sockets [ 50.250740][ T4820] should_fail+0x3b8/0x514 [ 50.253106][ T4820] __should_failslab+0xbc/0x110 [ 50.254234][ T4820] should_failslab+0x10/0x28 [ 50.255386][ T4820] slab_pre_alloc_hook+0x64/0xe8 [ 50.256515][ T4820] kmem_cache_alloc+0x98/0x45c [ 50.257589][ T4820] new_inode_pseudo+0x110/0x200 [ 50.258742][ T4820] new_inode+0x38/0x174 [ 50.259743][ T4820] debugfs_create_dir+0xf0/0x420 [ 50.261044][ T4820] nbd_start_device+0x3bc/0xb34 [ 50.262221][ T4820] nbd_ioctl+0x420/0xc2c [ 50.263222][ T4820] blkdev_ioctl+0x3d8/0xbd0 [ 50.264277][ T4820] block_ioctl+0xa8/0x114 [ 50.265259][ T4820] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.266426][ T4820] invoke_syscall+0x98/0x2b8 [ 50.267450][ T4820] el0_svc_common+0x138/0x258 [ 50.268548][ T4820] do_el0_svc+0x58/0x14c [ 50.269533][ T4820] el0_svc+0x7c/0x1f0 [ 50.270457][ T4820] el0t_64_sync_handler+0x84/0xe4 [ 50.271588][ T4820] el0t_64_sync+0x1a0/0x1a4 [ 50.272953][ T4817] block nbd1: shutting down sockets executing program [ 50.281128][ T4820] debugfs: out of free dentries, can not create directory 'nbd2' [ 50.283391][ T4820] block nbd2: Failed to create debugfs dir for 'nbd2' [ 50.286001][ T4825] FAULT_INJECTION: forcing a failure. [ 50.286001][ T4825] name failslab, interval 1, probability 0, space 0, times 0 [ 50.289459][ T4825] CPU: 0 PID: 4825 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.291631][ T4825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.293961][ T4825] Call trace: [ 50.294671][ T4825] dump_backtrace+0x0/0x530 [ 50.295663][ T4825] show_stack+0x2c/0x3c [ 50.296662][ T4825] dump_stack_lvl+0x108/0x170 [ 50.297802][ T4825] dump_stack+0x1c/0x58 [ 50.298789][ T4825] should_fail+0x3b8/0x514 [ 50.299802][ T4825] __should_failslab+0xbc/0x110 [ 50.300989][ T4825] should_failslab+0x10/0x28 [ 50.302084][ T4825] slab_pre_alloc_hook+0x64/0xe8 [ 50.303307][ T4825] kmem_cache_alloc+0x98/0x45c [ 50.304429][ T4825] new_inode_pseudo+0x110/0x200 [ 50.305580][ T4825] new_inode+0x38/0x174 [ 50.306545][ T4825] debugfs_create_dir+0xf0/0x420 [ 50.307637][ T4825] nbd_start_device+0x3bc/0xb34 [ 50.308709][ T4825] nbd_ioctl+0x420/0xc2c [ 50.309727][ T4825] blkdev_ioctl+0x3d8/0xbd0 [ 50.310801][ T4825] block_ioctl+0xa8/0x114 [ 50.311752][ T4825] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.312902][ T4825] invoke_syscall+0x98/0x2b8 [ 50.313975][ T4825] el0_svc_common+0x138/0x258 [ 50.315064][ T4825] do_el0_svc+0x58/0x14c [ 50.316013][ T4825] el0_svc+0x7c/0x1f0 [ 50.316911][ T4825] el0t_64_sync_handler+0x84/0xe4 [ 50.318023][ T4825] el0t_64_sync+0x1a0/0x1a4 [ 50.320403][ T4825] debugfs: out of free dentries, can not create directory 'nbd4' [ 50.322928][ T4824] FAULT_INJECTION: forcing a failure. [ 50.322928][ T4824] name failslab, interval 1, probability 0, space 0, times 0 [ 50.326787][ T4824] CPU: 1 PID: 4824 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.329130][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.331543][ T4824] Call trace: [ 50.332344][ T4824] dump_backtrace+0x0/0x530 [ 50.333514][ T4824] show_stack+0x2c/0x3c [ 50.334620][ T4824] dump_stack_lvl+0x108/0x170 [ 50.335910][ T4824] dump_stack+0x1c/0x58 [ 50.336022][ T4825] block nbd4: Failed to create debugfs dir for 'nbd4' [ 50.337052][ T4824] should_fail+0x3b8/0x514 [ 50.338783][ T4832] block nbd0: shutting down sockets [ 50.339774][ T4824] __should_failslab+0xbc/0x110 [ 50.342242][ T4824] should_failslab+0x10/0x28 [ 50.343529][ T4824] slab_pre_alloc_hook+0x64/0xe8 [ 50.344931][ T4824] kmem_cache_alloc+0x98/0x45c [ 50.346289][ T4824] new_inode_pseudo+0x110/0x200 [ 50.347604][ T4824] new_inode+0x38/0x174 [ 50.348739][ T4824] debugfs_create_dir+0xf0/0x420 [ 50.350063][ T4824] nbd_start_device+0x3bc/0xb34 [ 50.351409][ T4824] nbd_ioctl+0x420/0xc2c [ 50.352611][ T4824] blkdev_ioctl+0x3d8/0xbd0 [ 50.353832][ T4824] block_ioctl+0xa8/0x114 [ 50.355092][ T4824] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.356237][ T4824] invoke_syscall+0x98/0x2b8 [ 50.357283][ T4824] el0_svc_common+0x138/0x258 [ 50.358397][ T4824] do_el0_svc+0x58/0x14c [ 50.359364][ T4824] el0_svc+0x7c/0x1f0 [ 50.360324][ T4824] el0t_64_sync_handler+0x84/0xe4 [ 50.361506][ T4824] el0t_64_sync+0x1a0/0x1a4 [ 50.364018][ T4824] debugfs: out of free dentries, can not create directory 'nbd1' [ 50.366358][ T4824] block nbd1: Failed to create debugfs dir for 'nbd1' executing program executing program [ 50.379514][ T4831] FAULT_INJECTION: forcing a failure. [ 50.379514][ T4831] name failslab, interval 1, probability 0, space 0, times 0 [ 50.382794][ T4831] CPU: 0 PID: 4831 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.384951][ T4831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.387259][ T4831] Call trace: [ 50.388047][ T4831] dump_backtrace+0x0/0x530 [ 50.389144][ T4831] show_stack+0x2c/0x3c [ 50.390133][ T4831] dump_stack_lvl+0x108/0x170 [ 50.391173][ T4831] dump_stack+0x1c/0x58 [ 50.392181][ T4831] should_fail+0x3b8/0x514 [ 50.393259][ T4831] __should_failslab+0xbc/0x110 [ 50.394359][ T4831] should_failslab+0x10/0x28 [ 50.395424][ T4831] slab_pre_alloc_hook+0x64/0xe8 [ 50.396609][ T4831] __kmalloc_node+0xbc/0x5b8 executing program [ 50.397634][ T4831] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 50.398854][ T4831] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 50.400180][ T4831] nbd_start_device+0x158/0xb34 [ 50.401377][ T4831] nbd_ioctl+0x420/0xc2c [ 50.402424][ T4831] blkdev_ioctl+0x3d8/0xbd0 [ 50.403511][ T4831] block_ioctl+0xa8/0x114 [ 50.404539][ T4831] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.405709][ T4831] invoke_syscall+0x98/0x2b8 [ 50.406771][ T4831] el0_svc_common+0x138/0x258 [ 50.407867][ T4831] do_el0_svc+0x58/0x14c [ 50.408949][ T4831] el0_svc+0x7c/0x1f0 [ 50.409901][ T4831] el0t_64_sync_handler+0x84/0xe4 [ 50.411043][ T4831] el0t_64_sync+0x1a0/0x1a4 [ 50.412926][ T4831] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 50.415891][ T4834] block nbd3: shutting down sockets executing program [ 50.430618][ T4834] FAULT_INJECTION: forcing a failure. [ 50.430618][ T4834] name failslab, interval 1, probability 0, space 0, times 0 [ 50.433586][ T4834] CPU: 0 PID: 4834 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.435824][ T4834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.438103][ T4834] Call trace: [ 50.438853][ T4834] dump_backtrace+0x0/0x530 [ 50.439930][ T4834] show_stack+0x2c/0x3c [ 50.440834][ T4834] dump_stack_lvl+0x108/0x170 [ 50.441936][ T4834] dump_stack+0x1c/0x58 [ 50.442893][ T4834] should_fail+0x3b8/0x514 [ 50.443866][ T4834] __should_failslab+0xbc/0x110 [ 50.444981][ T4834] should_failslab+0x10/0x28 [ 50.446079][ T4834] slab_pre_alloc_hook+0x64/0xe8 [ 50.447153][ T4834] kmem_cache_alloc+0x98/0x45c [ 50.448269][ T4834] new_inode_pseudo+0x110/0x200 [ 50.449358][ T4834] new_inode+0x38/0x174 [ 50.450367][ T4834] debugfs_create_dir+0xf0/0x420 [ 50.451612][ T4834] nbd_start_device+0x3bc/0xb34 [ 50.452764][ T4834] nbd_ioctl+0x420/0xc2c [ 50.453711][ T4834] blkdev_ioctl+0x3d8/0xbd0 [ 50.454735][ T4834] block_ioctl+0xa8/0x114 [ 50.455776][ T4834] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.456939][ T4834] invoke_syscall+0x98/0x2b8 [ 50.457874][ T4834] el0_svc_common+0x138/0x258 [ 50.459004][ T4834] do_el0_svc+0x58/0x14c [ 50.459954][ T4834] el0_svc+0x7c/0x1f0 [ 50.460946][ T4834] el0t_64_sync_handler+0x84/0xe4 [ 50.462067][ T4834] el0t_64_sync+0x1a0/0x1a4 [ 50.463263][ T4834] debugfs: out of free dentries, can not create directory 'nbd3' [ 50.465243][ T4834] block nbd3: Failed to create debugfs dir for 'nbd3' [ 50.475650][ T4845] block nbd2: shutting down sockets [ 50.486795][ T4844] block nbd4: shutting down sockets [ 50.495580][ T4846] block nbd1: shutting down sockets executing program [ 50.498818][ T4839] FAULT_INJECTION: forcing a failure. [ 50.498818][ T4839] name failslab, interval 1, probability 0, space 0, times 0 [ 50.501949][ T4839] CPU: 1 PID: 4839 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.504419][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.506851][ T4839] Call trace: [ 50.507610][ T4839] dump_backtrace+0x0/0x530 [ 50.508611][ T4839] show_stack+0x2c/0x3c [ 50.509675][ T4839] dump_stack_lvl+0x108/0x170 [ 50.510816][ T4839] dump_stack+0x1c/0x58 [ 50.511917][ T4839] should_fail+0x3b8/0x514 [ 50.512962][ T4839] __should_failslab+0xbc/0x110 [ 50.514170][ T4839] should_failslab+0x10/0x28 [ 50.515173][ T4839] slab_pre_alloc_hook+0x64/0xe8 [ 50.516296][ T4839] kmem_cache_alloc+0x98/0x45c [ 50.517459][ T4839] new_inode_pseudo+0x110/0x200 [ 50.518510][ T4839] new_inode+0x38/0x174 [ 50.519488][ T4839] debugfs_create_dir+0xf0/0x420 [ 50.520662][ T4839] nbd_start_device+0x3bc/0xb34 [ 50.521767][ T4839] nbd_ioctl+0x420/0xc2c [ 50.522763][ T4839] blkdev_ioctl+0x3d8/0xbd0 [ 50.523773][ T4839] block_ioctl+0xa8/0x114 [ 50.524740][ T4839] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.525820][ T4839] invoke_syscall+0x98/0x2b8 [ 50.526904][ T4839] el0_svc_common+0x138/0x258 [ 50.527955][ T4839] do_el0_svc+0x58/0x14c [ 50.528944][ T4839] el0_svc+0x7c/0x1f0 [ 50.529847][ T4839] el0t_64_sync_handler+0x84/0xe4 [ 50.530956][ T4839] el0t_64_sync+0x1a0/0x1a4 [ 50.532736][ T4839] debugfs: out of free dentries, can not create directory 'nbd4' [ 50.534712][ T4839] block nbd4: Failed to create debugfs dir for 'nbd4' [ 50.540565][ T4841] FAULT_INJECTION: forcing a failure. [ 50.540565][ T4841] name failslab, interval 1, probability 0, space 0, times 0 [ 50.543707][ T4841] CPU: 1 PID: 4841 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.546068][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.548491][ T4841] Call trace: [ 50.549234][ T4841] dump_backtrace+0x0/0x530 [ 50.550347][ T4841] show_stack+0x2c/0x3c [ 50.551362][ T4841] dump_stack_lvl+0x108/0x170 [ 50.552445][ T4841] dump_stack+0x1c/0x58 [ 50.553357][ T4841] should_fail+0x3b8/0x514 [ 50.554306][ T4841] __should_failslab+0xbc/0x110 [ 50.555377][ T4841] should_failslab+0x10/0x28 [ 50.556513][ T4841] slab_pre_alloc_hook+0x64/0xe8 [ 50.557718][ T4841] __kmalloc_node+0xbc/0x5b8 [ 50.558880][ T4841] blk_mq_realloc_hw_ctxs+0xc4/0x12ec executing program [ 50.560142][ T4841] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 50.561561][ T4841] nbd_start_device+0x158/0xb34 [ 50.562653][ T4841] nbd_ioctl+0x420/0xc2c [ 50.563635][ T4841] blkdev_ioctl+0x3d8/0xbd0 [ 50.564717][ T4841] block_ioctl+0xa8/0x114 [ 50.565717][ T4841] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.566869][ T4841] invoke_syscall+0x98/0x2b8 [ 50.567954][ T4841] el0_svc_common+0x138/0x258 [ 50.569097][ T4841] do_el0_svc+0x58/0x14c [ 50.570060][ T4841] el0_svc+0x7c/0x1f0 [ 50.570920][ T4841] el0t_64_sync_handler+0x84/0xe4 [ 50.572112][ T4841] el0t_64_sync+0x1a0/0x1a4 [ 50.575210][ T4841] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 50.575346][ T4843] block nbd0: shutting down sockets [ 50.598335][ T4837] FAULT_INJECTION: forcing a failure. [ 50.598335][ T4837] name failslab, interval 1, probability 0, space 0, times 0 [ 50.602152][ T4837] CPU: 1 PID: 4837 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.604332][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.606576][ T4837] Call trace: [ 50.607344][ T4837] dump_backtrace+0x0/0x530 [ 50.608409][ T4837] show_stack+0x2c/0x3c [ 50.609328][ T4837] dump_stack_lvl+0x108/0x170 [ 50.610399][ T4837] dump_stack+0x1c/0x58 [ 50.611328][ T4837] should_fail+0x3b8/0x514 [ 50.612378][ T4837] __should_failslab+0xbc/0x110 [ 50.613501][ T4837] should_failslab+0x10/0x28 [ 50.614538][ T4837] slab_pre_alloc_hook+0x64/0xe8 [ 50.615727][ T4837] __kmalloc_node+0xbc/0x5b8 [ 50.616768][ T4837] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 50.618015][ T4837] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 50.619277][ T4837] nbd_start_device+0x158/0xb34 [ 50.620317][ T4837] nbd_ioctl+0x420/0xc2c [ 50.621205][ T4837] blkdev_ioctl+0x3d8/0xbd0 [ 50.622224][ T4837] block_ioctl+0xa8/0x114 [ 50.623176][ T4837] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.624285][ T4837] invoke_syscall+0x98/0x2b8 [ 50.625322][ T4837] el0_svc_common+0x138/0x258 [ 50.626382][ T4837] do_el0_svc+0x58/0x14c [ 50.627320][ T4837] el0_svc+0x7c/0x1f0 [ 50.628261][ T4837] el0t_64_sync_handler+0x84/0xe4 [ 50.629390][ T4837] el0t_64_sync+0x1a0/0x1a4 executing program [ 50.634875][ T4837] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 50.637420][ T4852] block nbd3: shutting down sockets [ 50.651392][ T4849] FAULT_INJECTION: forcing a failure. [ 50.651392][ T4849] name failslab, interval 1, probability 0, space 0, times 0 [ 50.654069][ T4843] FAULT_INJECTION: forcing a failure. [ 50.654069][ T4843] name failslab, interval 1, probability 0, space 0, times 0 [ 50.654687][ T4849] CPU: 0 PID: 4849 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.659450][ T4849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.661868][ T4849] Call trace: [ 50.662605][ T4849] dump_backtrace+0x0/0x530 [ 50.663740][ T4849] show_stack+0x2c/0x3c [ 50.664717][ T4849] dump_stack_lvl+0x108/0x170 [ 50.665814][ T4849] dump_stack+0x1c/0x58 [ 50.666790][ T4849] should_fail+0x3b8/0x514 [ 50.667763][ T4849] __should_failslab+0xbc/0x110 [ 50.668794][ T4849] should_failslab+0x10/0x28 [ 50.669823][ T4849] slab_pre_alloc_hook+0x64/0xe8 [ 50.670937][ T4849] kmem_cache_alloc+0x98/0x45c [ 50.672075][ T4849] new_inode_pseudo+0x110/0x200 [ 50.673218][ T4849] new_inode+0x38/0x174 [ 50.674140][ T4849] debugfs_create_dir+0xf0/0x420 [ 50.675249][ T4849] nbd_start_device+0x3bc/0xb34 [ 50.676412][ T4849] nbd_ioctl+0x420/0xc2c [ 50.677445][ T4849] blkdev_ioctl+0x3d8/0xbd0 [ 50.678483][ T4849] block_ioctl+0xa8/0x114 [ 50.679498][ T4849] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.680665][ T4849] invoke_syscall+0x98/0x2b8 [ 50.681726][ T4849] el0_svc_common+0x138/0x258 [ 50.682789][ T4849] do_el0_svc+0x58/0x14c [ 50.683737][ T4849] el0_svc+0x7c/0x1f0 [ 50.684694][ T4849] el0t_64_sync_handler+0x84/0xe4 [ 50.685790][ T4849] el0t_64_sync+0x1a0/0x1a4 [ 50.686851][ T4843] CPU: 1 PID: 4843 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.689148][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.690351][ T4849] debugfs: out of free dentries, can not create directory 'nbd3' [ 50.691410][ T4843] Call trace: [ 50.691418][ T4843] dump_backtrace+0x0/0x530 [ 50.691435][ T4843] show_stack+0x2c/0x3c [ 50.691446][ T4843] dump_stack_lvl+0x108/0x170 [ 50.691457][ T4843] dump_stack+0x1c/0x58 [ 50.693486][ T4849] block nbd3: Failed to create debugfs dir for 'nbd3' [ 50.693885][ T4843] should_fail+0x3b8/0x514 [ 50.700352][ T4843] __should_failslab+0xbc/0x110 [ 50.701403][ T4843] should_failslab+0x10/0x28 [ 50.702441][ T4843] slab_pre_alloc_hook+0x64/0xe8 [ 50.703576][ T4843] __kmalloc_node+0xbc/0x5b8 [ 50.704688][ T4843] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 50.705998][ T4843] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 50.707306][ T4843] nbd_start_device+0x158/0xb34 [ 50.708398][ T4843] nbd_ioctl+0x420/0xc2c [ 50.709363][ T4843] blkdev_ioctl+0x3d8/0xbd0 [ 50.710405][ T4843] block_ioctl+0xa8/0x114 [ 50.711471][ T4843] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.712622][ T4843] invoke_syscall+0x98/0x2b8 [ 50.713577][ T4843] el0_svc_common+0x138/0x258 [ 50.714627][ T4843] do_el0_svc+0x58/0x14c [ 50.715621][ T4843] el0_svc+0x7c/0x1f0 [ 50.716549][ T4843] el0t_64_sync_handler+0x84/0xe4 [ 50.717782][ T4843] el0t_64_sync+0x1a0/0x1a4 executing program executing program [ 50.730182][ T4843] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 50.737929][ T4851] block nbd4: shutting down sockets [ 50.741064][ T4851] FAULT_INJECTION: forcing a failure. [ 50.741064][ T4851] name failslab, interval 1, probability 0, space 0, times 0 [ 50.743833][ T4851] CPU: 1 PID: 4851 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.746006][ T4851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.748287][ T4851] Call trace: [ 50.749092][ T4851] dump_backtrace+0x0/0x530 [ 50.750131][ T4851] show_stack+0x2c/0x3c [ 50.751023][ T4851] dump_stack_lvl+0x108/0x170 [ 50.752086][ T4851] dump_stack+0x1c/0x58 [ 50.753102][ T4851] should_fail+0x3b8/0x514 [ 50.754174][ T4851] __should_failslab+0xbc/0x110 [ 50.755269][ T4851] should_failslab+0x10/0x28 [ 50.756328][ T4851] slab_pre_alloc_hook+0x64/0xe8 [ 50.757446][ T4851] kmem_cache_alloc+0x98/0x45c [ 50.758576][ T4851] new_inode_pseudo+0x110/0x200 [ 50.759703][ T4851] new_inode+0x38/0x174 [ 50.760640][ T4851] debugfs_create_dir+0xf0/0x420 [ 50.761774][ T4851] nbd_start_device+0x3bc/0xb34 [ 50.762871][ T4851] nbd_ioctl+0x420/0xc2c [ 50.763825][ T4851] blkdev_ioctl+0x3d8/0xbd0 [ 50.764857][ T4851] block_ioctl+0xa8/0x114 [ 50.765847][ T4851] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.766968][ T4851] invoke_syscall+0x98/0x2b8 [ 50.767910][ T4851] el0_svc_common+0x138/0x258 [ 50.769005][ T4851] do_el0_svc+0x58/0x14c [ 50.770022][ T4851] el0_svc+0x7c/0x1f0 [ 50.770919][ T4851] el0t_64_sync_handler+0x84/0xe4 [ 50.772040][ T4851] el0t_64_sync+0x1a0/0x1a4 [ 50.774219][ T4851] debugfs: out of free dentries, can not create directory 'nbd4' [ 50.776721][ T4851] block nbd4: Failed to create debugfs dir for 'nbd4' executing program executing program [ 50.805174][ T4860] block nbd1: shutting down sockets [ 50.805176][ T4862] block nbd2: shutting down sockets [ 50.846077][ T4858] block nbd3: shutting down sockets [ 50.849069][ T4859] FAULT_INJECTION: forcing a failure. [ 50.849069][ T4859] name failslab, interval 1, probability 0, space 0, times 0 [ 50.851952][ T4859] CPU: 0 PID: 4859 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.854264][ T4859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.856639][ T4859] Call trace: [ 50.857385][ T4859] dump_backtrace+0x0/0x530 [ 50.858389][ T4859] show_stack+0x2c/0x3c [ 50.859182][ T4855] FAULT_INJECTION: forcing a failure. [ 50.859182][ T4855] name failslab, interval 1, probability 0, space 0, times 0 [ 50.859390][ T4859] dump_stack_lvl+0x108/0x170 [ 50.863287][ T4859] dump_stack+0x1c/0x58 [ 50.864253][ T4859] should_fail+0x3b8/0x514 [ 50.865223][ T4859] __should_failslab+0xbc/0x110 [ 50.866411][ T4859] should_failslab+0x10/0x28 [ 50.867494][ T4859] slab_pre_alloc_hook+0x64/0xe8 [ 50.868544][ T4859] __kmalloc_node+0xbc/0x5b8 [ 50.869559][ T4859] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 50.870733][ T4859] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 50.872067][ T4859] nbd_start_device+0x158/0xb34 [ 50.873129][ T4859] nbd_ioctl+0x420/0xc2c [ 50.874065][ T4859] blkdev_ioctl+0x3d8/0xbd0 [ 50.875210][ T4859] block_ioctl+0xa8/0x114 [ 50.876258][ T4859] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.877418][ T4859] invoke_syscall+0x98/0x2b8 [ 50.878475][ T4859] el0_svc_common+0x138/0x258 [ 50.879567][ T4859] do_el0_svc+0x58/0x14c [ 50.880495][ T4859] el0_svc+0x7c/0x1f0 [ 50.881433][ T4859] el0t_64_sync_handler+0x84/0xe4 [ 50.882627][ T4859] el0t_64_sync+0x1a0/0x1a4 [ 50.886135][ T4855] CPU: 1 PID: 4855 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.886563][ T4859] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 50.888380][ T4855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.888394][ T4855] Call trace: [ 50.888399][ T4855] dump_backtrace+0x0/0x530 [ 50.888417][ T4855] show_stack+0x2c/0x3c [ 50.894950][ T4855] dump_stack_lvl+0x108/0x170 [ 50.896053][ T4855] dump_stack+0x1c/0x58 [ 50.897045][ T4855] should_fail+0x3b8/0x514 [ 50.897989][ T4855] __should_failslab+0xbc/0x110 [ 50.899062][ T4855] should_failslab+0x10/0x28 [ 50.900097][ T4855] slab_pre_alloc_hook+0x64/0xe8 [ 50.901387][ T4855] __kmalloc_node+0xbc/0x5b8 [ 50.902480][ T4855] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 50.903673][ T4855] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 50.905014][ T4855] nbd_start_device+0x158/0xb34 [ 50.906066][ T4855] nbd_ioctl+0x420/0xc2c [ 50.907076][ T4855] blkdev_ioctl+0x3d8/0xbd0 [ 50.908135][ T4855] block_ioctl+0xa8/0x114 [ 50.909165][ T4855] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.910295][ T4855] invoke_syscall+0x98/0x2b8 [ 50.911366][ T4855] el0_svc_common+0x138/0x258 [ 50.912394][ T4855] do_el0_svc+0x58/0x14c [ 50.913398][ T4855] el0_svc+0x7c/0x1f0 [ 50.914337][ T4855] el0t_64_sync_handler+0x84/0xe4 [ 50.915474][ T4855] el0t_64_sync+0x1a0/0x1a4 executing program [ 50.922850][ T4855] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 50.927675][ T4861] FAULT_INJECTION: forcing a failure. [ 50.927675][ T4861] name failslab, interval 1, probability 0, space 0, times 0 [ 50.928942][ T4865] block nbd4: shutting down sockets [ 50.930964][ T4861] CPU: 1 PID: 4861 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.934215][ T4861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.936624][ T4861] Call trace: [ 50.937356][ T4861] dump_backtrace+0x0/0x530 [ 50.938398][ T4861] show_stack+0x2c/0x3c [ 50.939337][ T4861] dump_stack_lvl+0x108/0x170 [ 50.940400][ T4861] dump_stack+0x1c/0x58 [ 50.941311][ T4861] should_fail+0x3b8/0x514 [ 50.942266][ T4861] __should_failslab+0xbc/0x110 [ 50.943338][ T4861] should_failslab+0x10/0x28 [ 50.944401][ T4861] slab_pre_alloc_hook+0x64/0xe8 [ 50.945225][ T4866] block nbd0: shutting down sockets [ 50.945529][ T4861] kmem_cache_alloc+0x98/0x45c [ 50.947814][ T4861] __d_alloc+0x3c/0x6a8 [ 50.948780][ T4861] d_alloc_parallel+0xb8/0x11bc [ 50.949895][ T4861] __lookup_slow+0x108/0x388 [ 50.950871][ T4861] lookup_one_len+0x178/0x28c [ 50.952054][ T4861] start_creating+0x19c/0x2e0 [ 50.953121][ T4861] debugfs_create_dir+0x34/0x420 [ 50.954281][ T4861] nbd_start_device+0x3bc/0xb34 [ 50.955437][ T4861] nbd_ioctl+0x420/0xc2c [ 50.956437][ T4861] blkdev_ioctl+0x3d8/0xbd0 [ 50.957439][ T4861] block_ioctl+0xa8/0x114 [ 50.958402][ T4861] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.959505][ T4861] invoke_syscall+0x98/0x2b8 [ 50.960591][ T4861] el0_svc_common+0x138/0x258 [ 50.961615][ T4861] do_el0_svc+0x58/0x14c [ 50.962547][ T4861] el0_svc+0x7c/0x1f0 [ 50.963450][ T4861] el0t_64_sync_handler+0x84/0xe4 [ 50.964678][ T4861] el0t_64_sync+0x1a0/0x1a4 [ 50.966122][ T4861] block nbd3: Failed to create debugfs dir for 'nbd3' [ 50.968651][ T4865] FAULT_INJECTION: forcing a failure. [ 50.968651][ T4865] name failslab, interval 1, probability 0, space 0, times 0 [ 50.971962][ T4865] CPU: 1 PID: 4865 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 50.974280][ T4865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.976659][ T4865] Call trace: [ 50.977381][ T4865] dump_backtrace+0x0/0x530 [ 50.978508][ T4865] show_stack+0x2c/0x3c [ 50.979462][ T4865] dump_stack_lvl+0x108/0x170 [ 50.980561][ T4865] dump_stack+0x1c/0x58 [ 50.981502][ T4865] should_fail+0x3b8/0x514 [ 50.982486][ T4865] __should_failslab+0xbc/0x110 [ 50.983514][ T4865] should_failslab+0x10/0x28 [ 50.984640][ T4865] slab_pre_alloc_hook+0x64/0xe8 [ 50.985795][ T4865] kmem_cache_alloc+0x98/0x45c [ 50.986981][ T4865] new_inode_pseudo+0x110/0x200 [ 50.988151][ T4865] new_inode+0x38/0x174 [ 50.989126][ T4865] debugfs_create_dir+0xf0/0x420 [ 50.990260][ T4865] nbd_start_device+0x3bc/0xb34 [ 50.991367][ T4865] nbd_ioctl+0x420/0xc2c [ 50.992377][ T4865] blkdev_ioctl+0x3d8/0xbd0 [ 50.993515][ T4865] block_ioctl+0xa8/0x114 [ 50.994533][ T4865] __arm64_sys_ioctl+0x14c/0x1c8 [ 50.995617][ T4865] invoke_syscall+0x98/0x2b8 [ 50.996685][ T4865] el0_svc_common+0x138/0x258 [ 50.997648][ T4865] do_el0_svc+0x58/0x14c [ 50.998548][ T4865] el0_svc+0x7c/0x1f0 [ 50.999446][ T4865] el0t_64_sync_handler+0x84/0xe4 [ 51.000620][ T4865] el0t_64_sync+0x1a0/0x1a4 [ 51.006315][ T4865] debugfs: out of free dentries, can not create directory 'nbd4' [ 51.017270][ T4865] block nbd4: Failed to create debugfs dir for 'nbd4' executing program executing program executing program [ 51.039248][ T4866] FAULT_INJECTION: forcing a failure. [ 51.039248][ T4866] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.042155][ T4866] CPU: 0 PID: 4866 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.044249][ T4871] block nbd2: shutting down sockets [ 51.044430][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.047870][ T4866] Call trace: [ 51.048576][ T4866] dump_backtrace+0x0/0x530 [ 51.049649][ T4866] show_stack+0x2c/0x3c [ 51.050604][ T4866] dump_stack_lvl+0x108/0x170 [ 51.051648][ T4866] dump_stack+0x1c/0x58 [ 51.052557][ T4866] should_fail+0x3b8/0x514 [ 51.053585][ T4866] should_fail_alloc_page+0x74/0xa8 [ 51.054828][ T4866] prepare_alloc_pages+0x160/0x460 [ 51.055977][ T4866] __alloc_pages+0x138/0x674 [ 51.057063][ T4866] alloc_pages+0x368/0x5d4 [ 51.058105][ T4866] new_slab+0xec/0x56c [ 51.059046][ T4866] ___slab_alloc+0x6bc/0xdbc [ 51.060156][ T4866] __kmalloc_node+0x340/0x5b8 [ 51.061263][ T4866] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 51.062611][ T4866] nbd_start_device+0x158/0xb34 [ 51.063764][ T4866] nbd_ioctl+0x420/0xc2c [ 51.064736][ T4866] blkdev_ioctl+0x3d8/0xbd0 [ 51.065805][ T4866] block_ioctl+0xa8/0x114 [ 51.066811][ T4866] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.067972][ T4866] invoke_syscall+0x98/0x2b8 [ 51.069058][ T4866] el0_svc_common+0x138/0x258 [ 51.070121][ T4866] do_el0_svc+0x58/0x14c [ 51.071106][ T4866] el0_svc+0x7c/0x1f0 [ 51.072090][ T4866] el0t_64_sync_handler+0x84/0xe4 [ 51.073231][ T4866] el0t_64_sync+0x1a0/0x1a4 [ 51.089037][ T4869] FAULT_INJECTION: forcing a failure. [ 51.089037][ T4869] name failslab, interval 1, probability 0, space 0, times 0 [ 51.091843][ T4869] CPU: 1 PID: 4869 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.094141][ T4869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.096452][ T4869] Call trace: [ 51.097229][ T4869] dump_backtrace+0x0/0x530 [ 51.098296][ T4869] show_stack+0x2c/0x3c executing program [ 51.099260][ T4869] dump_stack_lvl+0x108/0x170 [ 51.100355][ T4869] dump_stack+0x1c/0x58 [ 51.101338][ T4869] should_fail+0x3b8/0x514 [ 51.102263][ T4869] __should_failslab+0xbc/0x110 [ 51.103430][ T4869] should_failslab+0x10/0x28 [ 51.104479][ T4869] slab_pre_alloc_hook+0x64/0xe8 [ 51.105571][ T4869] __kmalloc_node+0xbc/0x5b8 [ 51.106622][ T4869] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 51.107807][ T4869] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 51.109157][ T4869] nbd_start_device+0x158/0xb34 [ 51.110245][ T4869] nbd_ioctl+0x420/0xc2c [ 51.111375][ T4869] blkdev_ioctl+0x3d8/0xbd0 [ 51.112378][ T4869] block_ioctl+0xa8/0x114 [ 51.113173][ T4869] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.114080][ T4869] invoke_syscall+0x98/0x2b8 [ 51.115126][ T4869] el0_svc_common+0x138/0x258 [ 51.116018][ T4869] do_el0_svc+0x58/0x14c [ 51.116983][ T4869] el0_svc+0x7c/0x1f0 [ 51.117881][ T4869] el0t_64_sync_handler+0x84/0xe4 [ 51.118955][ T4869] el0t_64_sync+0x1a0/0x1a4 [ 51.123284][ T4869] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 51.125322][ T4881] block nbd3: shutting down sockets [ 51.128944][ T4877] block nbd4: shutting down sockets [ 51.144801][ T4875] block nbd1: shutting down sockets [ 51.147711][ T4873] FAULT_INJECTION: forcing a failure. [ 51.147711][ T4873] name failslab, interval 1, probability 0, space 0, times 0 [ 51.150636][ T4873] CPU: 1 PID: 4873 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.152802][ T4873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.155078][ T4873] Call trace: [ 51.155843][ T4873] dump_backtrace+0x0/0x530 [ 51.156865][ T4873] show_stack+0x2c/0x3c [ 51.157839][ T4873] dump_stack_lvl+0x108/0x170 executing program [ 51.158927][ T4873] dump_stack+0x1c/0x58 [ 51.159914][ T4873] should_fail+0x3b8/0x514 [ 51.160995][ T4873] __should_failslab+0xbc/0x110 [ 51.162086][ T4873] should_failslab+0x10/0x28 [ 51.163079][ T4873] slab_pre_alloc_hook+0x64/0xe8 [ 51.164192][ T4873] kmem_cache_alloc+0x98/0x45c [ 51.165236][ T4873] new_inode_pseudo+0x110/0x200 [ 51.166322][ T4873] new_inode+0x38/0x174 [ 51.167244][ T4873] debugfs_create_dir+0xf0/0x420 [ 51.168334][ T4873] nbd_start_device+0x3bc/0xb34 [ 51.169427][ T4873] nbd_ioctl+0x420/0xc2c [ 51.170381][ T4873] blkdev_ioctl+0x3d8/0xbd0 [ 51.171411][ T4873] block_ioctl+0xa8/0x114 [ 51.172439][ T4873] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.173534][ T4873] invoke_syscall+0x98/0x2b8 [ 51.174556][ T4873] el0_svc_common+0x138/0x258 [ 51.175732][ T4873] do_el0_svc+0x58/0x14c [ 51.176710][ T4873] el0_svc+0x7c/0x1f0 [ 51.177618][ T4873] el0t_64_sync_handler+0x84/0xe4 [ 51.178783][ T4873] el0t_64_sync+0x1a0/0x1a4 [ 51.179886][ T4873] debugfs: out of free dentries, can not create directory 'nbd3' [ 51.181719][ T4877] FAULT_INJECTION: forcing a failure. [ 51.181719][ T4877] name failslab, interval 1, probability 0, space 0, times 0 [ 51.182680][ T4873] block nbd3: Failed to create debugfs dir for 'nbd3' [ 51.184438][ T4877] CPU: 1 PID: 4877 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.184455][ T4877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.184464][ T4877] Call trace: [ 51.184468][ T4877] dump_backtrace+0x0/0x530 [ 51.192375][ T4877] show_stack+0x2c/0x3c [ 51.193292][ T4877] dump_stack_lvl+0x108/0x170 [ 51.194365][ T4877] dump_stack+0x1c/0x58 [ 51.195325][ T4877] should_fail+0x3b8/0x514 [ 51.196361][ T4877] __should_failslab+0xbc/0x110 [ 51.197476][ T4877] should_failslab+0x10/0x28 [ 51.198474][ T4877] slab_pre_alloc_hook+0x64/0xe8 [ 51.199655][ T4877] kmem_cache_alloc+0x98/0x45c [ 51.200699][ T4877] new_inode_pseudo+0x110/0x200 [ 51.201732][ T4877] new_inode+0x38/0x174 [ 51.202663][ T4877] debugfs_create_dir+0xf0/0x420 [ 51.203771][ T4877] nbd_start_device+0x3bc/0xb34 [ 51.204826][ T4877] nbd_ioctl+0x420/0xc2c [ 51.205832][ T4877] blkdev_ioctl+0x3d8/0xbd0 [ 51.207015][ T4877] block_ioctl+0xa8/0x114 [ 51.207995][ T4877] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.209200][ T4877] invoke_syscall+0x98/0x2b8 [ 51.210243][ T4877] el0_svc_common+0x138/0x258 [ 51.211302][ T4877] do_el0_svc+0x58/0x14c [ 51.212369][ T4877] el0_svc+0x7c/0x1f0 executing program [ 51.213326][ T4877] el0t_64_sync_handler+0x84/0xe4 [ 51.214509][ T4877] el0t_64_sync+0x1a0/0x1a4 [ 51.215943][ T4877] debugfs: out of free dentries, can not create directory 'nbd4' [ 51.217921][ T4877] block nbd4: Failed to create debugfs dir for 'nbd4' [ 51.229459][ T4875] FAULT_INJECTION: forcing a failure. [ 51.229459][ T4875] name failslab, interval 1, probability 0, space 0, times 0 [ 51.232392][ T4875] CPU: 0 PID: 4875 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.234652][ T4875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.236649][ T4884] block nbd0: shutting down sockets [ 51.236989][ T4875] Call trace: [ 51.236998][ T4875] dump_backtrace+0x0/0x530 [ 51.237016][ T4875] show_stack+0x2c/0x3c [ 51.237039][ T4875] dump_stack_lvl+0x108/0x170 [ 51.239300][ T4880] FAULT_INJECTION: forcing a failure. [ 51.239300][ T4880] name failslab, interval 1, probability 0, space 0, times 0 [ 51.239934][ T4875] dump_stack+0x1c/0x58 [ 51.239950][ T4875] should_fail+0x3b8/0x514 [ 51.239962][ T4875] __should_failslab+0xbc/0x110 [ 51.239974][ T4875] should_failslab+0x10/0x28 [ 51.249124][ T4875] slab_pre_alloc_hook+0x64/0xe8 [ 51.250391][ T4875] __kmalloc_node+0xbc/0x5b8 [ 51.251425][ T4875] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 51.252626][ T4875] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 51.253924][ T4875] nbd_start_device+0x158/0xb34 [ 51.255094][ T4875] nbd_ioctl+0x420/0xc2c [ 51.256121][ T4875] blkdev_ioctl+0x3d8/0xbd0 [ 51.257258][ T4875] block_ioctl+0xa8/0x114 [ 51.258261][ T4875] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.259384][ T4875] invoke_syscall+0x98/0x2b8 [ 51.260430][ T4875] el0_svc_common+0x138/0x258 [ 51.261515][ T4875] do_el0_svc+0x58/0x14c [ 51.262498][ T4875] el0_svc+0x7c/0x1f0 [ 51.263369][ T4875] el0t_64_sync_handler+0x84/0xe4 [ 51.264442][ T4875] el0t_64_sync+0x1a0/0x1a4 [ 51.265454][ T4880] CPU: 1 PID: 4880 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 executing program [ 51.267762][ T4880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.270123][ T4880] Call trace: [ 51.270242][ T4875] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 51.270913][ T4880] dump_backtrace+0x0/0x530 [ 51.270934][ T4880] show_stack+0x2c/0x3c [ 51.274414][ T4880] dump_stack_lvl+0x108/0x170 [ 51.275499][ T4880] dump_stack+0x1c/0x58 [ 51.276517][ T4880] should_fail+0x3b8/0x514 [ 51.277645][ T4880] __should_failslab+0xbc/0x110 [ 51.278827][ T4880] should_failslab+0x10/0x28 [ 51.279897][ T4880] slab_pre_alloc_hook+0x64/0xe8 [ 51.281040][ T4880] kmem_cache_alloc+0x98/0x45c [ 51.282131][ T4880] new_inode_pseudo+0x110/0x200 [ 51.283267][ T4880] new_inode+0x38/0x174 [ 51.284188][ T4880] debugfs_create_dir+0xf0/0x420 [ 51.285296][ T4880] nbd_start_device+0x3bc/0xb34 [ 51.286436][ T4880] nbd_ioctl+0x420/0xc2c [ 51.287540][ T4880] blkdev_ioctl+0x3d8/0xbd0 [ 51.288578][ T4880] block_ioctl+0xa8/0x114 [ 51.289590][ T4880] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.290854][ T4880] invoke_syscall+0x98/0x2b8 [ 51.291950][ T4880] el0_svc_common+0x138/0x258 [ 51.292959][ T4880] do_el0_svc+0x58/0x14c [ 51.293871][ T4880] el0_svc+0x7c/0x1f0 [ 51.294810][ T4880] el0t_64_sync_handler+0x84/0xe4 [ 51.295972][ T4880] el0t_64_sync+0x1a0/0x1a4 [ 51.298242][ T4880] debugfs: out of free dentries, can not create directory 'nbd0' [ 51.300552][ T4880] block nbd0: Failed to create debugfs dir for 'nbd0' [ 51.325261][ T4889] block nbd2: Device being setup by another task [ 51.327507][ T4883] block nbd2: shutting down sockets executing program [ 51.330747][ T4883] FAULT_INJECTION: forcing a failure. [ 51.330747][ T4883] name failslab, interval 1, probability 0, space 0, times 0 [ 51.333870][ T4883] CPU: 1 PID: 4883 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.336225][ T4883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.338364][ T4883] Call trace: [ 51.339131][ T4883] dump_backtrace+0x0/0x530 [ 51.340113][ T4883] show_stack+0x2c/0x3c [ 51.341078][ T4883] dump_stack_lvl+0x108/0x170 [ 51.342133][ T4883] dump_stack+0x1c/0x58 [ 51.342993][ T4883] should_fail+0x3b8/0x514 [ 51.343963][ T4883] __should_failslab+0xbc/0x110 [ 51.345125][ T4883] should_failslab+0x10/0x28 [ 51.346193][ T4883] slab_pre_alloc_hook+0x64/0xe8 [ 51.347307][ T4883] kmem_cache_alloc+0x98/0x45c [ 51.348417][ T4883] new_inode_pseudo+0x110/0x200 [ 51.349567][ T4883] new_inode+0x38/0x174 [ 51.350511][ T4883] debugfs_create_dir+0xf0/0x420 [ 51.351809][ T4883] nbd_start_device+0x3bc/0xb34 [ 51.352921][ T4883] nbd_ioctl+0x420/0xc2c [ 51.353842][ T4883] blkdev_ioctl+0x3d8/0xbd0 [ 51.354813][ T4883] block_ioctl+0xa8/0x114 [ 51.355802][ T4883] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.356985][ T4883] invoke_syscall+0x98/0x2b8 [ 51.358084][ T4883] el0_svc_common+0x138/0x258 [ 51.359236][ T4883] do_el0_svc+0x58/0x14c [ 51.360233][ T4883] el0_svc+0x7c/0x1f0 [ 51.361175][ T4883] el0t_64_sync_handler+0x84/0xe4 [ 51.362265][ T4883] el0t_64_sync+0x1a0/0x1a4 executing program [ 51.365525][ T4883] debugfs: out of free dentries, can not create directory 'nbd2' [ 51.367582][ T4883] block nbd2: Failed to create debugfs dir for 'nbd2' executing program [ 51.385405][ T4894] block nbd3: Device being setup by another task [ 51.385578][ T4898] block nbd4: shutting down sockets [ 51.387091][ T4888] block nbd3: shutting down sockets [ 51.397168][ T4892] FAULT_INJECTION: forcing a failure. [ 51.397168][ T4892] name failslab, interval 1, probability 0, space 0, times 0 [ 51.400361][ T4892] CPU: 0 PID: 4892 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.402637][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.405271][ T4892] Call trace: [ 51.405997][ T4892] dump_backtrace+0x0/0x530 [ 51.407125][ T4892] show_stack+0x2c/0x3c [ 51.408195][ T4892] dump_stack_lvl+0x108/0x170 [ 51.409325][ T4892] dump_stack+0x1c/0x58 [ 51.410228][ T4892] should_fail+0x3b8/0x514 [ 51.411272][ T4892] __should_failslab+0xbc/0x110 [ 51.412348][ T4892] should_failslab+0x10/0x28 [ 51.413467][ T4892] slab_pre_alloc_hook+0x64/0xe8 [ 51.414669][ T4892] kmem_cache_alloc+0x98/0x45c [ 51.415753][ T4892] new_inode_pseudo+0x110/0x200 [ 51.416893][ T4892] new_inode+0x38/0x174 [ 51.417887][ T4892] debugfs_create_dir+0xf0/0x420 [ 51.419055][ T4892] nbd_start_device+0x3bc/0xb34 [ 51.420203][ T4892] nbd_ioctl+0x420/0xc2c [ 51.421185][ T4892] blkdev_ioctl+0x3d8/0xbd0 [ 51.422235][ T4892] block_ioctl+0xa8/0x114 [ 51.423206][ T4892] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.424419][ T4892] invoke_syscall+0x98/0x2b8 [ 51.425513][ T4892] el0_svc_common+0x138/0x258 [ 51.426621][ T4892] do_el0_svc+0x58/0x14c [ 51.427646][ T4892] el0_svc+0x7c/0x1f0 [ 51.428540][ T4892] el0t_64_sync_handler+0x84/0xe4 [ 51.429670][ T4892] el0t_64_sync+0x1a0/0x1a4 [ 51.430886][ T4892] debugfs: out of free dentries, can not create directory 'nbd4' [ 51.432836][ T4892] block nbd4: Failed to create debugfs dir for 'nbd4' executing program [ 51.450047][ T4888] FAULT_INJECTION: forcing a failure. [ 51.450047][ T4888] name failslab, interval 1, probability 0, space 0, times 0 [ 51.453189][ T4888] CPU: 1 PID: 4888 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.455890][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.458482][ T4888] Call trace: [ 51.459268][ T4888] dump_backtrace+0x0/0x530 [ 51.460483][ T4888] show_stack+0x2c/0x3c [ 51.461626][ T4888] dump_stack_lvl+0x108/0x170 [ 51.462749][ T4888] dump_stack+0x1c/0x58 [ 51.463830][ T4888] should_fail+0x3b8/0x514 [ 51.465051][ T4888] __should_failslab+0xbc/0x110 [ 51.466310][ T4888] should_failslab+0x10/0x28 [ 51.467514][ T4888] slab_pre_alloc_hook+0x64/0xe8 [ 51.468799][ T4888] __kmalloc_track_caller+0x78/0x3d8 [ 51.470244][ T4888] kstrdup+0xe4/0x15c [ 51.471270][ T4888] kstrdup_const+0x54/0x6c [ 51.472376][ T4888] __kernfs_new_node+0xa8/0x684 [ 51.473666][ T4888] kernfs_new_node+0x98/0x194 [ 51.474903][ T4888] kernfs_create_dir_ns+0x58/0x12c [ 51.476227][ T4888] sysfs_create_dir_ns+0x150/0x318 [ 51.477493][ T4888] kobject_add_internal+0x384/0x8f0 [ 51.478836][ T4888] kobject_add+0x14c/0x21c [ 51.479965][ T4888] blk_mq_register_hctx+0xc8/0x368 [ 51.481250][ T4888] blk_mq_sysfs_register+0xc8/0x194 [ 51.482687][ T4888] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 51.484189][ T4888] nbd_start_device+0x158/0xb34 [ 51.485423][ T4888] nbd_ioctl+0x420/0xc2c [ 51.486497][ T4888] blkdev_ioctl+0x3d8/0xbd0 [ 51.487679][ T4888] block_ioctl+0xa8/0x114 [ 51.488821][ T4888] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.490139][ T4888] invoke_syscall+0x98/0x2b8 [ 51.491270][ T4888] el0_svc_common+0x138/0x258 [ 51.492476][ T4888] do_el0_svc+0x58/0x14c [ 51.493593][ T4888] el0_svc+0x7c/0x1f0 [ 51.494599][ T4888] el0t_64_sync_handler+0x84/0xe4 [ 51.495868][ T4888] el0t_64_sync+0x1a0/0x1a4 [ 51.501924][ T4888] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 51.505506][ T4901] block nbd1: shutting down sockets [ 51.505635][ T4906] FAULT_INJECTION: forcing a failure. [ 51.505635][ T4906] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 51.510164][ T4906] CPU: 0 PID: 4906 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.512461][ T4906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.514777][ T4906] Call trace: [ 51.515503][ T4906] dump_backtrace+0x0/0x530 [ 51.516568][ T4906] show_stack+0x2c/0x3c [ 51.517494][ T4906] dump_stack_lvl+0x108/0x170 [ 51.518587][ T4906] dump_stack+0x1c/0x58 [ 51.519500][ T4906] should_fail+0x3b8/0x514 [ 51.520535][ T4906] should_fail_alloc_page+0x74/0xa8 [ 51.521795][ T4906] prepare_alloc_pages+0x160/0x460 [ 51.522923][ T4906] __alloc_pages+0x138/0x674 [ 51.524041][ T4906] alloc_pages+0x368/0x5d4 [ 51.525154][ T4906] new_slab+0xec/0x56c [ 51.526216][ T4906] ___slab_alloc+0x6bc/0xdbc [ 51.527238][ T4906] kmem_cache_alloc+0x2d8/0x45c [ 51.528351][ T4906] __d_alloc+0x3c/0x6a8 [ 51.529375][ T4906] d_alloc_parallel+0xb8/0x11bc [ 51.530478][ T4906] __lookup_slow+0x108/0x388 [ 51.531570][ T4906] lookup_one_len+0x178/0x28c [ 51.532596][ T4906] start_creating+0x19c/0x2e0 [ 51.533645][ T4906] debugfs_create_dir+0x34/0x420 [ 51.534791][ T4906] nbd_start_device+0x3bc/0xb34 [ 51.535204][ T4907] block nbd2: shutting down sockets [ 51.535892][ T4906] nbd_ioctl+0x420/0xc2c [ 51.538149][ T4906] blkdev_ioctl+0x3d8/0xbd0 [ 51.539159][ T4906] block_ioctl+0xa8/0x114 [ 51.540148][ T4906] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.541056][ T4906] invoke_syscall+0x98/0x2b8 [ 51.541871][ T4906] el0_svc_common+0x138/0x258 [ 51.542735][ T4906] do_el0_svc+0x58/0x14c [ 51.543613][ T4906] el0_svc+0x7c/0x1f0 [ 51.544598][ T4906] el0t_64_sync_handler+0x84/0xe4 [ 51.545736][ T4906] el0t_64_sync+0x1a0/0x1a4 executing program [ 51.578686][ T4895] FAULT_INJECTION: forcing a failure. [ 51.578686][ T4895] name failslab, interval 1, probability 0, space 0, times 0 [ 51.581860][ T4895] CPU: 1 PID: 4895 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.584372][ T4895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.587012][ T4895] Call trace: [ 51.587867][ T4895] dump_backtrace+0x0/0x530 [ 51.589079][ T4895] show_stack+0x2c/0x3c [ 51.590156][ T4895] dump_stack_lvl+0x108/0x170 [ 51.591423][ T4895] dump_stack+0x1c/0x58 [ 51.592536][ T4895] should_fail+0x3b8/0x514 [ 51.593693][ T4895] __should_failslab+0xbc/0x110 [ 51.594958][ T4895] should_failslab+0x10/0x28 [ 51.596160][ T4895] slab_pre_alloc_hook+0x64/0xe8 [ 51.597391][ T4895] __kmalloc_node+0xbc/0x5b8 [ 51.598544][ T4895] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 51.600057][ T4895] nbd_start_device+0x158/0xb34 [ 51.601323][ T4895] nbd_ioctl+0x420/0xc2c [ 51.602480][ T4895] blkdev_ioctl+0x3d8/0xbd0 [ 51.603618][ T4895] block_ioctl+0xa8/0x114 [ 51.604710][ T4895] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.605934][ T4895] invoke_syscall+0x98/0x2b8 [ 51.607077][ T4895] el0_svc_common+0x138/0x258 [ 51.608295][ T4895] do_el0_svc+0x58/0x14c [ 51.609458][ T4895] el0_svc+0x7c/0x1f0 [ 51.610458][ T4895] el0t_64_sync_handler+0x84/0xe4 [ 51.611783][ T4895] el0t_64_sync+0x1a0/0x1a4 [ 51.616615][ T4908] block nbd4: Device being setup by another task [ 51.618241][ T4903] block nbd4: shutting down sockets [ 51.620010][ T4900] FAULT_INJECTION: forcing a failure. [ 51.620010][ T4900] name failslab, interval 1, probability 0, space 0, times 0 [ 51.623206][ T4900] CPU: 1 PID: 4900 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.625669][ T4900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.628319][ T4900] Call trace: [ 51.629238][ T4900] dump_backtrace+0x0/0x530 [ 51.630410][ T4900] show_stack+0x2c/0x3c [ 51.631491][ T4900] dump_stack_lvl+0x108/0x170 [ 51.632731][ T4900] dump_stack+0x1c/0x58 [ 51.633714][ T4900] should_fail+0x3b8/0x514 [ 51.634782][ T4900] __should_failslab+0xbc/0x110 [ 51.636083][ T4900] should_failslab+0x10/0x28 [ 51.637282][ T4900] slab_pre_alloc_hook+0x64/0xe8 [ 51.638511][ T4900] __kmalloc_node+0xbc/0x5b8 [ 51.639773][ T4900] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 51.641213][ T4900] nbd_start_device+0x158/0xb34 [ 51.642349][ T4900] nbd_ioctl+0x420/0xc2c [ 51.643334][ T4900] blkdev_ioctl+0x3d8/0xbd0 [ 51.644415][ T4900] block_ioctl+0xa8/0x114 [ 51.645425][ T4900] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.646682][ T4900] invoke_syscall+0x98/0x2b8 [ 51.647914][ T4900] el0_svc_common+0x138/0x258 [ 51.649109][ T4900] do_el0_svc+0x58/0x14c [ 51.650233][ T4900] el0_svc+0x7c/0x1f0 [ 51.651356][ T4900] el0t_64_sync_handler+0x84/0xe4 [ 51.652677][ T4900] el0t_64_sync+0x1a0/0x1a4 executing program executing program [ 51.696965][ T4910] block nbd3: shutting down sockets [ 51.700259][ T4903] FAULT_INJECTION: forcing a failure. [ 51.700259][ T4903] name failslab, interval 1, probability 0, space 0, times 0 [ 51.703057][ T4903] CPU: 0 PID: 4903 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.705171][ T4903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.707424][ T4903] Call trace: [ 51.708264][ T4903] dump_backtrace+0x0/0x530 [ 51.709425][ T4903] show_stack+0x2c/0x3c [ 51.710339][ T4903] dump_stack_lvl+0x108/0x170 [ 51.711487][ T4903] dump_stack+0x1c/0x58 [ 51.712148][ T4906] block nbd0: shutting down sockets [ 51.712367][ T4903] should_fail+0x3b8/0x514 [ 51.714238][ T4903] __should_failslab+0xbc/0x110 [ 51.715330][ T4903] should_failslab+0x10/0x28 [ 51.716377][ T4903] slab_pre_alloc_hook+0x64/0xe8 [ 51.717504][ T4903] __kmalloc_track_caller+0x78/0x3d8 [ 51.718746][ T4903] kstrdup+0xe4/0x15c [ 51.719645][ T4903] kstrdup_const+0x54/0x6c [ 51.720628][ T4903] __kernfs_new_node+0xa8/0x684 [ 51.721755][ T4903] kernfs_new_node+0x98/0x194 [ 51.722910][ T4903] kernfs_create_dir_ns+0x58/0x12c [ 51.724109][ T4903] sysfs_create_dir_ns+0x150/0x318 [ 51.725263][ T4903] kobject_add_internal+0x384/0x8f0 [ 51.726486][ T4903] kobject_add+0x14c/0x21c [ 51.727534][ T4903] blk_mq_register_hctx+0xc8/0x368 [ 51.728781][ T4903] blk_mq_sysfs_register+0xc8/0x194 [ 51.729966][ T4903] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 51.731269][ T4903] nbd_start_device+0x158/0xb34 [ 51.732331][ T4903] nbd_ioctl+0x420/0xc2c executing program [ 51.733244][ T4903] blkdev_ioctl+0x3d8/0xbd0 [ 51.734220][ T4903] block_ioctl+0xa8/0x114 [ 51.735286][ T4903] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.736520][ T4903] invoke_syscall+0x98/0x2b8 [ 51.737557][ T4903] el0_svc_common+0x138/0x258 [ 51.738673][ T4903] do_el0_svc+0x58/0x14c [ 51.739656][ T4903] el0_svc+0x7c/0x1f0 [ 51.740596][ T4903] el0t_64_sync_handler+0x84/0xe4 [ 51.741791][ T4903] el0t_64_sync+0x1a0/0x1a4 [ 51.743992][ T4903] kobject_add_internal failed for 0 (error: -12 parent: mq) [ 51.768492][ T4914] block nbd1: shutting down sockets [ 51.769493][ T4910] ------------[ cut here ]------------ [ 51.770209][ T4916] block nbd2: shutting down sockets [ 51.771120][ T4910] kernfs: can not remove 'nr_tags', no directory [ 51.773713][ T4910] WARNING: CPU: 1 PID: 4910 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 51.776015][ T4910] Modules linked in: [ 51.776969][ T4910] CPU: 1 PID: 4910 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.779320][ T4910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.781751][ T4910] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.783652][ T4910] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 51.785013][ T4910] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 51.786296][ T4910] sp : ffff80001dcd7760 [ 51.787230][ T4910] x29: ffff80001dcd7760 x28: ffff0000cc2d3000 x27: ffff0000cc331a00 [ 51.789160][ T4910] x26: 0000000000000000 x25: ffff8000150a7748 x24: 1ffff000023ed628 [ 51.791160][ T4910] x23: dfff800000000000 x22: ffff8000150a7780 x21: 0000000000000000 [ 51.793096][ T4910] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 51.794979][ T4910] x17: 0000000000000000 x16: ffff80001198323c x15: 00000000ffffffff [ 51.796887][ T4910] x14: ffff0000c1169b40 x13: fffffffffffe7658 x12: 0000000000000001 [ 51.798801][ T4910] x11: 0000000000000000 x10: 0000000000000000 x9 : 331c39ac34760800 [ 51.800662][ T4910] x8 : 331c39ac34760800 x7 : fffffffffffe7658 x6 : fffffffffffe7608 [ 51.802671][ T4910] x5 : ffff80001dcd6ed8 x4 : ffff8000149e0bf0 x3 : ffff80000854d610 [ 51.804700][ T4910] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 51.806646][ T4910] Call trace: [ 51.807524][ T4910] kernfs_remove_by_name_ns+0xd0/0x158 [ 51.808860][ T4910] sysfs_remove_group+0xf8/0x288 [ 51.810040][ T4910] sysfs_remove_groups+0x5c/0xb4 [ 51.811295][ T4910] __kobject_del+0x90/0x2d4 [ 51.812420][ T4910] kobject_del+0x48/0x68 [ 51.813500][ T4910] blk_mq_sysfs_unregister+0x1a0/0x274 [ 51.814843][ T4910] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 51.816307][ T4910] nbd_start_device+0x158/0xb34 [ 51.817525][ T4910] nbd_ioctl+0x420/0xc2c [ 51.818586][ T4910] blkdev_ioctl+0x3d8/0xbd0 [ 51.819655][ T4910] block_ioctl+0xa8/0x114 [ 51.820748][ T4910] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.821968][ T4910] invoke_syscall+0x98/0x2b8 [ 51.823155][ T4910] el0_svc_common+0x138/0x258 [ 51.824307][ T4910] do_el0_svc+0x58/0x14c [ 51.825423][ T4910] el0_svc+0x7c/0x1f0 [ 51.826375][ T4910] el0t_64_sync_handler+0x84/0xe4 [ 51.827627][ T4910] el0t_64_sync+0x1a0/0x1a4 [ 51.828840][ T4910] irq event stamp: 2084 [ 51.829884][ T4910] hardirqs last enabled at (2083): [] __up_console_sem+0xb4/0x100 [ 51.832310][ T4910] hardirqs last disabled at (2084): [] el1_dbg+0x24/0x80 [ 51.834556][ T4910] softirqs last enabled at (432): [] local_bh_enable+0x10/0x34 [ 51.836911][ T4910] softirqs last disabled at (430): [] local_bh_disable+0x10/0x34 [ 51.839225][ T4910] ---[ end trace c997b5f576d326f9 ]--- executing program [ 51.841387][ T4910] ------------[ cut here ]------------ [ 51.842680][ T4910] kernfs: can not remove 'nr_reserved_tags', no directory [ 51.844551][ T4910] WARNING: CPU: 1 PID: 4910 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 51.846942][ T4910] Modules linked in: [ 51.847941][ T4910] CPU: 1 PID: 4910 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.850374][ T4910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.853045][ T4910] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.854963][ T4910] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 51.856494][ T4910] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 51.857938][ T4910] sp : ffff80001dcd7760 [ 51.859014][ T4910] x29: ffff80001dcd7760 x28: ffff0000cc2d3000 x27: ffff0000cc331a00 [ 51.861003][ T4910] x26: 0000000000000000 x25: ffff8000150a7750 x24: 1ffff000023ed628 [ 51.863015][ T4910] x23: dfff800000000000 x22: ffff8000150a77e0 x21: 0000000000000000 [ 51.865035][ T4910] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 51.867083][ T4910] x17: 0000000000000000 x16: ffff80001198323c x15: 00000000ffffffff [ 51.868963][ T4910] x14: ffff0000c1169b40 x13: fffffffffffe7ec8 x12: 0000000000000001 [ 51.870918][ T4910] x11: 0000000000000000 x10: 0000000000000000 x9 : 331c39ac34760800 [ 51.872880][ T4910] x8 : 331c39ac34760800 x7 : fffffffffffe7ec8 x6 : fffffffffffe7ea8 [ 51.874935][ T4910] x5 : ffff80001dcd6ed8 x4 : ffff8000149e1028 x3 : ffff80000a95c8e0 [ 51.876962][ T4910] x2 : ffff0001b4813d10 x1 : 0000000100000000 x0 : 0000000000000037 [ 51.878937][ T4910] Call trace: [ 51.879795][ T4910] kernfs_remove_by_name_ns+0xd0/0x158 [ 51.881194][ T4910] sysfs_remove_group+0xf8/0x288 [ 51.882496][ T4910] sysfs_remove_groups+0x5c/0xb4 [ 51.883793][ T4910] __kobject_del+0x90/0x2d4 [ 51.884885][ T4910] kobject_del+0x48/0x68 [ 51.885991][ T4910] blk_mq_sysfs_unregister+0x1a0/0x274 [ 51.887461][ T4910] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 51.888968][ T4910] nbd_start_device+0x158/0xb34 [ 51.890282][ T4910] nbd_ioctl+0x420/0xc2c [ 51.891467][ T4910] blkdev_ioctl+0x3d8/0xbd0 [ 51.892579][ T4910] block_ioctl+0xa8/0x114 [ 51.893706][ T4910] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.894934][ T4910] invoke_syscall+0x98/0x2b8 [ 51.896085][ T4910] el0_svc_common+0x138/0x258 [ 51.897220][ T4910] do_el0_svc+0x58/0x14c [ 51.898324][ T4910] el0_svc+0x7c/0x1f0 [ 51.899356][ T4910] el0t_64_sync_handler+0x84/0xe4 [ 51.900668][ T4910] el0t_64_sync+0x1a0/0x1a4 [ 51.901733][ T4910] irq event stamp: 2126 [ 51.902830][ T4910] hardirqs last enabled at (2125): [] __up_console_sem+0xb4/0x100 [ 51.905256][ T4910] hardirqs last disabled at (2126): [] el1_dbg+0x24/0x80 [ 51.907517][ T4910] softirqs last enabled at (2104): [] __do_softirq+0xb5c/0xdb0 [ 51.909880][ T4910] softirqs last disabled at (2087): [] __irq_exit_rcu+0x264/0x4d4 [ 51.912170][ T4910] ---[ end trace c997b5f576d326fa ]--- [ 51.919147][ T4914] FAULT_INJECTION: forcing a failure. [ 51.919147][ T4914] name failslab, interval 1, probability 0, space 0, times 0 [ 51.922080][ T4914] CPU: 0 PID: 4914 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.924396][ T4914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.926718][ T4914] Call trace: [ 51.927539][ T4914] dump_backtrace+0x0/0x530 [ 51.928648][ T4914] show_stack+0x2c/0x3c [ 51.929465][ T4916] FAULT_INJECTION: forcing a failure. [ 51.929465][ T4916] name failslab, interval 1, probability 0, space 0, times 0 [ 51.929582][ T4914] dump_stack_lvl+0x108/0x170 [ 51.933828][ T4914] dump_stack+0x1c/0x58 [ 51.934784][ T4914] should_fail+0x3b8/0x514 [ 51.935753][ T4914] __should_failslab+0xbc/0x110 [ 51.936688][ T4918] block nbd0: shutting down sockets [ 51.936839][ T4914] should_failslab+0x10/0x28 [ 51.939214][ T4914] slab_pre_alloc_hook+0x64/0xe8 [ 51.940327][ T4914] __kmalloc_node+0xbc/0x5b8 [ 51.941387][ T4914] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 51.942700][ T4914] nbd_start_device+0x158/0xb34 [ 51.943793][ T4914] nbd_ioctl+0x420/0xc2c [ 51.944763][ T4914] blkdev_ioctl+0x3d8/0xbd0 [ 51.945737][ T4914] block_ioctl+0xa8/0x114 [ 51.946741][ T4914] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.947862][ T4914] invoke_syscall+0x98/0x2b8 [ 51.948870][ T4914] el0_svc_common+0x138/0x258 [ 51.949899][ T4914] do_el0_svc+0x58/0x14c [ 51.950898][ T4914] el0_svc+0x7c/0x1f0 [ 51.951811][ T4914] el0t_64_sync_handler+0x84/0xe4 [ 51.952928][ T4914] el0t_64_sync+0x1a0/0x1a4 [ 51.955176][ T4916] CPU: 1 PID: 4916 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.957532][ T4916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.960005][ T4916] Call trace: [ 51.960830][ T4916] dump_backtrace+0x0/0x530 [ 51.962040][ T4916] show_stack+0x2c/0x3c [ 51.963065][ T4916] dump_stack_lvl+0x108/0x170 [ 51.964220][ T4916] dump_stack+0x1c/0x58 [ 51.965197][ T4916] should_fail+0x3b8/0x514 [ 51.965239][ T4910] ------------[ cut here ]------------ [ 51.966259][ T4916] __should_failslab+0xbc/0x110 [ 51.966278][ T4916] should_failslab+0x10/0x28 [ 51.966288][ T4916] slab_pre_alloc_hook+0x64/0xe8 [ 51.966299][ T4916] __kmalloc_node+0xbc/0x5b8 [ 51.966310][ T4916] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 51.967782][ T4910] kernfs: can not remove 'cpu_list', no directory [ 51.968746][ T4916] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 51.968766][ T4916] nbd_start_device+0x158/0xb34 [ 51.968779][ T4916] nbd_ioctl+0x420/0xc2c [ 51.968794][ T4916] blkdev_ioctl+0x3d8/0xbd0 [ 51.970275][ T4910] WARNING: CPU: 0 PID: 4910 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 51.971020][ T4916] block_ioctl+0xa8/0x114 [ 51.972056][ T4910] Modules linked in: [ 51.973405][ T4916] __arm64_sys_ioctl+0x14c/0x1c8 [ 51.974830][ T4910] CPU: 0 PID: 4910 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 51.976235][ T4916] invoke_syscall+0x98/0x2b8 [ 51.977353][ T4910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.978405][ T4916] el0_svc_common+0x138/0x258 [ 51.979384][ T4910] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.981742][ T4916] do_el0_svc+0x58/0x14c [ 51.982709][ T4910] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 51.983638][ T4916] el0_svc+0x7c/0x1f0 [ 51.984812][ T4910] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 51.987242][ T4916] el0t_64_sync_handler+0x84/0xe4 [ 51.988301][ T4910] sp : ffff80001dcd7760 [ 51.990705][ T4916] el0t_64_sync+0x1a0/0x1a4 [ 51.991706][ T4910] x29: ffff80001dcd7760 [ 51.998865][ T4923] FAULT_INJECTION: forcing a failure. [ 51.998865][ T4923] name failslab, interval 1, probability 0, space 0, times 0 [ 51.999251][ T4910] x28: ffff0000cc2d3000 x27: ffff0000cc331a00 [ 51.999274][ T4910] x26: 0000000000000000 x25: ffff8000150a7758 x24: 1ffff000023ed628 [ 51.999293][ T4910] x23: dfff800000000000 [ 52.000292][ T4923] CPU: 1 PID: 4923 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.001356][ T4910] x22: ffff8000150a7840 [ 52.002329][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.005045][ T4910] x21: 0000000000000000 [ 52.006588][ T4923] Call trace: [ 52.008292][ T4910] [ 52.009262][ T4923] dump_backtrace+0x0/0x530 [ 52.011444][ T4910] x20: 0000000000000000 [ 52.012339][ T4923] show_stack+0x2c/0x3c [ 52.014567][ T4910] x19: 00000000fffffffe [ 52.015531][ T4923] dump_stack_lvl+0x108/0x170 [ 52.016309][ T4910] x18: 1fffe000368fe78e [ 52.016838][ T4923] dump_stack+0x1c/0x58 [ 52.017874][ T4910] [ 52.018974][ T4923] should_fail+0x3b8/0x514 [ 52.019927][ T4910] x17: 1fffe000368fe78e [ 52.020960][ T4923] __should_failslab+0xbc/0x110 [ 52.021940][ T4910] x16: ffff80001198323c [ 52.023008][ T4923] should_failslab+0x10/0x28 [ 52.024015][ T4910] x15: ffff8000149bed40 [ 52.024613][ T4923] slab_pre_alloc_hook+0x64/0xe8 [ 52.025563][ T4910] [ 52.026586][ T4923] kmem_cache_alloc+0x98/0x45c [ 52.027661][ T4910] x14: 1ffff0000292406a [ 52.028728][ T4923] new_inode_pseudo+0x110/0x200 [ 52.029776][ T4910] x13: dfff800000000000 [ 52.030786][ T4923] new_inode+0x38/0x174 [ 52.031866][ T4910] x12: 0000000000000001 [ 52.032497][ T4923] debugfs_create_dir+0xf0/0x420 [ 52.033582][ T4910] [ 52.034619][ T4923] nbd_start_device+0x3bc/0xb34 [ 52.035649][ T4910] x11: 0000000000000000 [ 52.036704][ T4923] nbd_ioctl+0x420/0xc2c [ 52.037665][ T4910] x10: 0000000000000000 [ 52.038733][ T4923] blkdev_ioctl+0x3d8/0xbd0 [ 52.039821][ T4910] x9 : 331c39ac34760800 [ 52.040391][ T4923] block_ioctl+0xa8/0x114 [ 52.041436][ T4910] [ 52.042471][ T4923] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.043421][ T4910] x8 : 331c39ac34760800 [ 52.044471][ T4923] invoke_syscall+0x98/0x2b8 [ 52.045516][ T4910] x7 : 0000000000000000 [ 52.046631][ T4923] el0_svc_common+0x138/0x258 [ 52.047656][ T4910] x6 : 0000000000000000 [ 52.048204][ T4923] do_el0_svc+0x58/0x14c [ 52.049320][ T4910] [ 52.050328][ T4923] el0_svc+0x7c/0x1f0 [ 52.051443][ T4910] x5 : 0000000000000080 [ 52.052541][ T4923] el0t_64_sync_handler+0x84/0xe4 [ 52.053591][ T4910] x4 : 0000000000000000 [ 52.054573][ T4923] el0t_64_sync+0x1a0/0x1a4 [ 52.055583][ T4910] x3 : ffff80000854d610 [ 52.062200][ T4910] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f [ 52.062270][ T4916] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.064004][ T4910] Call trace: [ 52.064014][ T4910] kernfs_remove_by_name_ns+0xd0/0x158 [ 52.064045][ T4910] sysfs_remove_group+0xf8/0x288 [ 52.064058][ T4910] sysfs_remove_groups+0x5c/0xb4 [ 52.068341][ T4923] debugfs: out of free dentries, can not create directory 'nbd0' [ 52.068369][ T4910] __kobject_del+0x90/0x2d4 [ 52.070240][ T4923] block nbd0: Failed to create debugfs dir for 'nbd0' [ 52.071174][ T4910] kobject_del+0x48/0x68 [ 52.071191][ T4910] blk_mq_sysfs_unregister+0x1a0/0x274 [ 52.071204][ T4910] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 52.071217][ T4910] nbd_start_device+0x158/0xb34 [ 52.071229][ T4910] nbd_ioctl+0x420/0xc2c [ 52.071238][ T4910] blkdev_ioctl+0x3d8/0xbd0 [ 52.080736][ T4910] block_ioctl+0xa8/0x114 [ 52.081662][ T4910] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.082628][ T4910] invoke_syscall+0x98/0x2b8 [ 52.083714][ T4910] el0_svc_common+0x138/0x258 [ 52.084778][ T4910] do_el0_svc+0x58/0x14c [ 52.085735][ T4910] el0_svc+0x7c/0x1f0 [ 52.086695][ T4910] el0t_64_sync_handler+0x84/0xe4 [ 52.087825][ T4910] el0t_64_sync+0x1a0/0x1a4 [ 52.088837][ T4910] irq event stamp: 2184 [ 52.089841][ T4910] hardirqs last enabled at (2183): [] finish_lock_switch+0xbc/0x1e8 [ 52.091752][ T4910] hardirqs last disabled at (2184): [] el1_dbg+0x24/0x80 [ 52.093717][ T4910] softirqs last enabled at (2152): [] __do_softirq+0xb5c/0xdb0 [ 52.095903][ T4910] softirqs last disabled at (2129): [] __irq_exit_rcu+0x264/0x4d4 [ 52.098246][ T4910] ---[ end trace c997b5f576d326fb ]--- executing program executing program [ 52.113965][ T4910] FAULT_INJECTION: forcing a failure. [ 52.113965][ T4910] name failslab, interval 1, probability 0, space 0, times 0 [ 52.115642][ T4925] block nbd4: Device being setup by another task [ 52.118320][ T4910] CPU: 1 PID: 4910 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.118506][ T4922] block nbd4: shutting down sockets [ 52.120647][ T4910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.124170][ T4910] Call trace: [ 52.124974][ T4910] dump_backtrace+0x0/0x530 [ 52.126062][ T4910] show_stack+0x2c/0x3c [ 52.127003][ T4910] dump_stack_lvl+0x108/0x170 [ 52.128075][ T4910] dump_stack+0x1c/0x58 [ 52.129053][ T4910] should_fail+0x3b8/0x514 [ 52.130159][ T4910] __should_failslab+0xbc/0x110 [ 52.131255][ T4910] should_failslab+0x10/0x28 [ 52.132371][ T4910] slab_pre_alloc_hook+0x64/0xe8 [ 52.133510][ T4910] __kmalloc_node+0xbc/0x5b8 [ 52.134567][ T4910] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.135869][ T4910] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.137022][ T4910] nbd_start_device+0x158/0xb34 [ 52.138135][ T4910] nbd_ioctl+0x420/0xc2c [ 52.139136][ T4910] blkdev_ioctl+0x3d8/0xbd0 [ 52.140277][ T4910] block_ioctl+0xa8/0x114 [ 52.141260][ T4910] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.142400][ T4910] invoke_syscall+0x98/0x2b8 [ 52.142829][ T4922] FAULT_INJECTION: forcing a failure. [ 52.142829][ T4922] name failslab, interval 1, probability 0, space 0, times 0 [ 52.143375][ T4910] el0_svc_common+0x138/0x258 [ 52.143392][ T4910] do_el0_svc+0x58/0x14c [ 52.143402][ T4910] el0_svc+0x7c/0x1f0 [ 52.143414][ T4910] el0t_64_sync_handler+0x84/0xe4 [ 52.150460][ T4910] el0t_64_sync+0x1a0/0x1a4 executing program [ 52.151523][ T4922] CPU: 0 PID: 4922 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.153922][ T4922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.154896][ T4910] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.156260][ T4922] Call trace: [ 52.156269][ T4922] dump_backtrace+0x0/0x530 [ 52.156286][ T4922] show_stack+0x2c/0x3c [ 52.156297][ T4922] dump_stack_lvl+0x108/0x170 [ 52.156309][ T4922] dump_stack+0x1c/0x58 [ 52.156318][ T4922] should_fail+0x3b8/0x514 [ 52.156329][ T4922] __should_failslab+0xbc/0x110 [ 52.156341][ T4922] should_failslab+0x10/0x28 [ 52.156351][ T4922] slab_pre_alloc_hook+0x64/0xe8 [ 52.156363][ T4922] kmem_cache_alloc+0x98/0x45c [ 52.156373][ T4922] new_inode_pseudo+0x110/0x200 [ 52.156383][ T4922] new_inode+0x38/0x174 [ 52.156392][ T4922] debugfs_create_dir+0xf0/0x420 [ 52.156404][ T4922] nbd_start_device+0x3bc/0xb34 [ 52.156416][ T4922] nbd_ioctl+0x420/0xc2c [ 52.156426][ T4922] blkdev_ioctl+0x3d8/0xbd0 [ 52.156436][ T4922] block_ioctl+0xa8/0x114 [ 52.156446][ T4922] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.156457][ T4922] invoke_syscall+0x98/0x2b8 [ 52.156468][ T4922] el0_svc_common+0x138/0x258 [ 52.156479][ T4922] do_el0_svc+0x58/0x14c [ 52.156489][ T4922] el0_svc+0x7c/0x1f0 [ 52.156499][ T4922] el0t_64_sync_handler+0x84/0xe4 [ 52.156509][ T4922] el0t_64_sync+0x1a0/0x1a4 [ 52.159712][ T4922] debugfs: out of free dentries, can not create directory 'nbd4' [ 52.185235][ T4922] block nbd4: Failed to create debugfs dir for 'nbd4' executing program executing program [ 52.246273][ T4936] block nbd2: shutting down sockets [ 52.251773][ T4938] block nbd1: shutting down sockets [ 52.265049][ T4937] block nbd0: shutting down sockets [ 52.267995][ T4930] FAULT_INJECTION: forcing a failure. [ 52.267995][ T4930] name failslab, interval 1, probability 0, space 0, times 0 [ 52.271313][ T4930] CPU: 1 PID: 4930 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.273687][ T4930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.275931][ T4930] Call trace: [ 52.276680][ T4930] dump_backtrace+0x0/0x530 [ 52.277737][ T4930] show_stack+0x2c/0x3c [ 52.278738][ T4930] dump_stack_lvl+0x108/0x170 [ 52.279836][ T4930] dump_stack+0x1c/0x58 [ 52.280864][ T4930] should_fail+0x3b8/0x514 [ 52.281932][ T4930] __should_failslab+0xbc/0x110 [ 52.283110][ T4930] should_failslab+0x10/0x28 [ 52.284164][ T4930] slab_pre_alloc_hook+0x64/0xe8 [ 52.285236][ T4930] kmem_cache_alloc+0x98/0x45c [ 52.286321][ T4930] new_inode_pseudo+0x110/0x200 [ 52.287476][ T4930] new_inode+0x38/0x174 [ 52.288397][ T4930] debugfs_create_dir+0xf0/0x420 [ 52.289535][ T4930] nbd_start_device+0x3bc/0xb34 [ 52.290693][ T4930] nbd_ioctl+0x420/0xc2c [ 52.291698][ T4930] blkdev_ioctl+0x3d8/0xbd0 [ 52.292763][ T4930] block_ioctl+0xa8/0x114 [ 52.293784][ T4930] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.294855][ T4930] invoke_syscall+0x98/0x2b8 [ 52.295896][ T4930] el0_svc_common+0x138/0x258 [ 52.297021][ T4930] do_el0_svc+0x58/0x14c [ 52.298016][ T4930] el0_svc+0x7c/0x1f0 [ 52.298911][ T4930] el0t_64_sync_handler+0x84/0xe4 [ 52.300080][ T4930] el0t_64_sync+0x1a0/0x1a4 [ 52.302945][ T4930] debugfs: out of free dentries, can not create directory 'nbd0' [ 52.305228][ T4939] block nbd3: shutting down sockets [ 52.305280][ T4930] block nbd0: Failed to create debugfs dir for 'nbd0' [ 52.306543][ T4940] block nbd4: shutting down sockets [ 52.328656][ T4929] FAULT_INJECTION: forcing a failure. [ 52.328656][ T4929] name failslab, interval 1, probability 0, space 0, times 0 [ 52.328829][ T4931] FAULT_INJECTION: forcing a failure. [ 52.328829][ T4931] name failslab, interval 1, probability 0, space 0, times 0 [ 52.331411][ T4929] CPU: 0 PID: 4929 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.336458][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.338782][ T4929] Call trace: [ 52.339582][ T4929] dump_backtrace+0x0/0x530 [ 52.340631][ T4929] show_stack+0x2c/0x3c [ 52.341612][ T4929] dump_stack_lvl+0x108/0x170 [ 52.342742][ T4929] dump_stack+0x1c/0x58 [ 52.343678][ T4929] should_fail+0x3b8/0x514 [ 52.344666][ T4929] __should_failslab+0xbc/0x110 [ 52.345733][ T4929] should_failslab+0x10/0x28 [ 52.346779][ T4929] slab_pre_alloc_hook+0x64/0xe8 [ 52.347912][ T4929] __kmalloc_node+0xbc/0x5b8 [ 52.348921][ T4929] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.350179][ T4929] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.351520][ T4929] nbd_start_device+0x158/0xb34 [ 52.352612][ T4929] nbd_ioctl+0x420/0xc2c [ 52.353588][ T4929] blkdev_ioctl+0x3d8/0xbd0 [ 52.354661][ T4929] block_ioctl+0xa8/0x114 [ 52.355634][ T4929] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.356762][ T4929] invoke_syscall+0x98/0x2b8 [ 52.357760][ T4929] el0_svc_common+0x138/0x258 [ 52.358830][ T4929] do_el0_svc+0x58/0x14c [ 52.359800][ T4929] el0_svc+0x7c/0x1f0 [ 52.360735][ T4929] el0t_64_sync_handler+0x84/0xe4 [ 52.361890][ T4929] el0t_64_sync+0x1a0/0x1a4 [ 52.375325][ T4931] CPU: 1 PID: 4931 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.377620][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.380011][ T4931] Call trace: [ 52.380764][ T4931] dump_backtrace+0x0/0x530 [ 52.381821][ T4931] show_stack+0x2c/0x3c [ 52.382740][ T4931] dump_stack_lvl+0x108/0x170 [ 52.383834][ T4931] dump_stack+0x1c/0x58 [ 52.384849][ T4931] should_fail+0x3b8/0x514 [ 52.385886][ T4931] __should_failslab+0xbc/0x110 [ 52.386937][ T4931] should_failslab+0x10/0x28 [ 52.388050][ T4931] slab_pre_alloc_hook+0x64/0xe8 [ 52.389167][ T4931] __kmalloc_node+0xbc/0x5b8 [ 52.390240][ T4931] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.391447][ T4931] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.392771][ T4931] nbd_start_device+0x158/0xb34 [ 52.393927][ T4931] nbd_ioctl+0x420/0xc2c [ 52.394867][ T4931] blkdev_ioctl+0x3d8/0xbd0 [ 52.395909][ T4931] block_ioctl+0xa8/0x114 [ 52.396937][ T4931] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.398044][ T4931] invoke_syscall+0x98/0x2b8 [ 52.399011][ T4931] el0_svc_common+0x138/0x258 [ 52.400145][ T4931] do_el0_svc+0x58/0x14c [ 52.401173][ T4931] el0_svc+0x7c/0x1f0 [ 52.402083][ T4931] el0t_64_sync_handler+0x84/0xe4 [ 52.403251][ T4931] el0t_64_sync+0x1a0/0x1a4 [ 52.408696][ T4931] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.425033][ T4929] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program executing program [ 52.469007][ T4935] ------------[ cut here ]------------ [ 52.470121][ T4933] FAULT_INJECTION: forcing a failure. [ 52.470121][ T4933] name failslab, interval 1, probability 0, space 0, times 0 [ 52.470246][ T4935] kernfs: can not remove 'nr_tags', no directory [ 52.473036][ T4933] CPU: 1 PID: 4933 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.474624][ T4935] WARNING: CPU: 0 PID: 4935 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 52.476839][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.479056][ T4935] Modules linked in: [ 52.481454][ T4933] Call trace: [ 52.482306][ T4935] CPU: 0 PID: 4935 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.483014][ T4933] dump_backtrace+0x0/0x530 [ 52.485300][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.486273][ T4933] show_stack+0x2c/0x3c [ 52.488655][ T4935] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.489594][ T4933] dump_stack_lvl+0x108/0x170 [ 52.491397][ T4935] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 52.492461][ T4933] dump_stack+0x1c/0x58 [ 52.493784][ T4935] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 52.494700][ T4933] should_fail+0x3b8/0x514 [ 52.496051][ T4935] sp : ffff80001df27760 [ 52.497016][ T4933] __should_failslab+0xbc/0x110 [ 52.498018][ T4935] x29: ffff80001df27760 x28: ffff0000cc3d0000 [ 52.499121][ T4933] should_failslab+0x10/0x28 [ 52.499139][ T4933] slab_pre_alloc_hook+0x64/0xe8 [ 52.500515][ T4935] x27: ffff0000cc236200 [ 52.501555][ T4933] __kmalloc_node+0xbc/0x5b8 [ 52.502698][ T4935] [ 52.503694][ T4933] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.504796][ T4935] x26: 0000000000000000 [ 52.505267][ T4933] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.506466][ T4935] x25: ffff8000150a7748 [ 52.507351][ T4933] nbd_start_device+0x158/0xb34 [ 52.508625][ T4935] x24: 1ffff000023ed628 [ 52.509534][ T4933] nbd_ioctl+0x420/0xc2c [ 52.510628][ T4935] [ 52.511568][ T4933] blkdev_ioctl+0x3d8/0xbd0 [ 52.512524][ T4935] x23: dfff800000000000 [ 52.513067][ T4933] block_ioctl+0xa8/0x114 [ 52.514061][ T4935] x22: ffff8000150a7780 [ 52.515002][ T4933] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.515980][ T4935] x21: 0000000000000000 [ 52.516743][ T4933] invoke_syscall+0x98/0x2b8 [ 52.517726][ T4935] [ 52.518660][ T4933] el0_svc_common+0x138/0x258 [ 52.519707][ T4935] x20: 0000000000000000 [ 52.520306][ T4933] do_el0_svc+0x58/0x14c [ 52.521449][ T4935] x19: 00000000fffffffe [ 52.522334][ T4933] el0_svc+0x7c/0x1f0 [ 52.523233][ T4935] x18: 0000000000000001 [ 52.524135][ T4933] el0t_64_sync_handler+0x84/0xe4 [ 52.525066][ T4935] [ 52.525996][ T4933] el0t_64_sync+0x1a0/0x1a4 [ 52.527197][ T4935] x17: 0000000000000000 x16: ffff80001198323c x15: 0000000000000012 [ 52.529136][ T4933] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.530718][ T4935] x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000001 [ 52.530746][ T4935] x11: 0000000000000000 x10: 0000000000000000 x9 : e990207fc023ec00 [ 52.530765][ T4935] x8 : e990207fc023ec00 x7 : 0000000000000000 x6 : 0000000000000000 [ 52.537760][ T4935] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000854d610 [ 52.539694][ T4935] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e [ 52.541523][ T4935] Call trace: [ 52.542291][ T4935] kernfs_remove_by_name_ns+0xd0/0x158 [ 52.543537][ T4935] sysfs_remove_group+0xf8/0x288 [ 52.544677][ T4935] sysfs_remove_groups+0x5c/0xb4 [ 52.545822][ T4935] __kobject_del+0x90/0x2d4 [ 52.546882][ T4935] kobject_del+0x48/0x68 [ 52.547861][ T4935] blk_mq_sysfs_unregister+0x1a0/0x274 [ 52.549162][ T4935] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 52.550465][ T4935] nbd_start_device+0x158/0xb34 [ 52.551554][ T4935] nbd_ioctl+0x420/0xc2c [ 52.552544][ T4935] blkdev_ioctl+0x3d8/0xbd0 [ 52.553546][ T4935] block_ioctl+0xa8/0x114 [ 52.554530][ T4935] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.555652][ T4935] invoke_syscall+0x98/0x2b8 [ 52.556706][ T4935] el0_svc_common+0x138/0x258 [ 52.557849][ T4935] do_el0_svc+0x58/0x14c [ 52.558881][ T4935] el0_svc+0x7c/0x1f0 [ 52.559775][ T4935] el0t_64_sync_handler+0x84/0xe4 [ 52.560945][ T4935] el0t_64_sync+0x1a0/0x1a4 [ 52.561965][ T4935] irq event stamp: 2030 [ 52.562910][ T4935] hardirqs last enabled at (2029): [] console_unlock+0xc7c/0x1394 [ 52.565036][ T4935] hardirqs last disabled at (2030): [] el1_dbg+0x24/0x80 [ 52.566926][ T4935] softirqs last enabled at (358): [] local_bh_enable+0x10/0x34 executing program [ 52.569066][ T4935] softirqs last disabled at (356): [] local_bh_disable+0x10/0x34 [ 52.571279][ T4935] ---[ end trace c997b5f576d326fc ]--- [ 52.573598][ T4935] ------------[ cut here ]------------ [ 52.574811][ T4935] kernfs: can not remove 'nr_reserved_tags', no directory [ 52.576565][ T4935] WARNING: CPU: 0 PID: 4935 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 52.578860][ T4935] Modules linked in: [ 52.579743][ T4935] CPU: 0 PID: 4935 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.581953][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.584264][ T4935] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.586109][ T4935] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 52.587403][ T4935] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 52.588663][ T4935] sp : ffff80001df27760 [ 52.589609][ T4935] x29: ffff80001df27760 x28: ffff0000cc3d0000 x27: ffff0000cc236200 [ 52.591395][ T4935] x26: 0000000000000000 x25: ffff8000150a7750 x24: 1ffff000023ed628 [ 52.593224][ T4935] x23: dfff800000000000 x22: ffff8000150a77e0 x21: 0000000000000000 [ 52.595085][ T4935] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 52.596826][ T4935] x17: 0000000000000000 x16: ffff800008334208 x15: 00000000ffffffff [ 52.598630][ T4935] x14: ffff0000da0cd1c0 x13: fffffffffffec9f8 x12: 0000000000000001 [ 52.600523][ T4935] x11: 0000000000000000 x10: 0000000000000000 x9 : e990207fc023ec00 [ 52.602431][ T4935] x8 : e990207fc023ec00 x7 : fffffffffffec9f8 x6 : fffffffffffec988 [ 52.604299][ T4935] x5 : ffff80001df26ed8 x4 : ffff8000149e37b8 x3 : ffff800008334354 [ 52.606219][ T4935] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037 [ 52.608054][ T4935] Call trace: [ 52.608799][ T4935] kernfs_remove_by_name_ns+0xd0/0x158 [ 52.610083][ T4935] sysfs_remove_group+0xf8/0x288 [ 52.611216][ T4935] sysfs_remove_groups+0x5c/0xb4 [ 52.612451][ T4935] __kobject_del+0x90/0x2d4 [ 52.613559][ T4935] kobject_del+0x48/0x68 [ 52.614595][ T4935] blk_mq_sysfs_unregister+0x1a0/0x274 [ 52.615854][ T4935] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 52.617194][ T4935] nbd_start_device+0x158/0xb34 [ 52.618390][ T4935] nbd_ioctl+0x420/0xc2c [ 52.619406][ T4935] blkdev_ioctl+0x3d8/0xbd0 [ 52.620529][ T4935] block_ioctl+0xa8/0x114 [ 52.621553][ T4935] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.622702][ T4935] invoke_syscall+0x98/0x2b8 [ 52.623765][ T4935] el0_svc_common+0x138/0x258 [ 52.624817][ T4935] do_el0_svc+0x58/0x14c [ 52.625764][ T4935] el0_svc+0x7c/0x1f0 [ 52.626755][ T4935] el0t_64_sync_handler+0x84/0xe4 [ 52.627947][ T4935] el0t_64_sync+0x1a0/0x1a4 [ 52.628962][ T4935] irq event stamp: 2178 [ 52.629957][ T4935] hardirqs last enabled at (2177): [] __up_console_sem+0xb4/0x100 [ 52.632130][ T4935] hardirqs last disabled at (2178): [] el1_dbg+0x24/0x80 [ 52.634155][ T4935] softirqs last enabled at (2174): [] __do_softirq+0xb5c/0xdb0 [ 52.636230][ T4935] softirqs last disabled at (2169): [] __irq_exit_rcu+0x264/0x4d4 [ 52.638505][ T4935] ---[ end trace c997b5f576d326fd ]--- [ 52.641103][ T4935] ------------[ cut here ]------------ [ 52.642307][ T4935] kernfs: can not remove 'cpu_list', no directory [ 52.643836][ T4935] WARNING: CPU: 0 PID: 4935 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 52.646212][ T4935] Modules linked in: [ 52.647129][ T4935] CPU: 0 PID: 4935 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.649525][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.651956][ T4935] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.653773][ T4935] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 52.655116][ T4935] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 52.656474][ T4935] sp : ffff80001df27760 [ 52.657389][ T4935] x29: ffff80001df27760 x28: ffff0000cc3d0000 x27: ffff0000cc236200 [ 52.659210][ T4935] x26: 0000000000000000 x25: ffff8000150a7758 x24: 1ffff000023ed628 [ 52.661096][ T4935] x23: dfff800000000000 x22: ffff8000150a7840 x21: 0000000000000000 [ 52.662962][ T4935] x20: 0000000000000000 x19: 00000000fffffffe x18: 0000000000000001 [ 52.664826][ T4935] x17: 0000000000000000 x16: ffff80001198323c x15: 00000000ffffffff [ 52.665075][ T4951] block nbd0: shutting down sockets [ 52.666807][ T4935] x14: ffff0000da0cd1c0 x13: fffffffffffed230 x12: 0000000000000001 [ 52.666855][ T4935] x11: 0000000000000000 x10: 0000000000000000 x9 : e990207fc023ec00 [ 52.671762][ T4935] x8 : e990207fc023ec00 x7 : fffffffffffed230 x6 : fffffffffffed210 [ 52.673619][ T4935] x5 : ffff80001df26ed8 x4 : ffff8000149e3bf0 x3 : ffff80000a95c8e0 [ 52.675625][ T4935] x2 : ffff0001b47f3d10 x1 : 0000000100000000 x0 : 000000000000002f [ 52.676884][ T4950] block nbd1: shutting down sockets [ 52.677448][ T4935] Call trace: [ 52.679385][ T4935] kernfs_remove_by_name_ns+0xd0/0x158 [ 52.680661][ T4935] sysfs_remove_group+0xf8/0x288 [ 52.681837][ T4935] sysfs_remove_groups+0x5c/0xb4 [ 52.682954][ T4935] __kobject_del+0x90/0x2d4 [ 52.684062][ T4935] kobject_del+0x48/0x68 [ 52.685103][ T4935] blk_mq_sysfs_unregister+0x1a0/0x274 [ 52.686415][ T4935] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 52.687776][ T4935] nbd_start_device+0x158/0xb34 [ 52.687948][ T4942] FAULT_INJECTION: forcing a failure. [ 52.687948][ T4942] name failslab, interval 1, probability 0, space 0, times 0 [ 52.688969][ T4935] nbd_ioctl+0x420/0xc2c [ 52.688987][ T4935] blkdev_ioctl+0x3d8/0xbd0 [ 52.688998][ T4935] block_ioctl+0xa8/0x114 [ 52.689007][ T4935] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.689019][ T4935] invoke_syscall+0x98/0x2b8 [ 52.691912][ T4942] CPU: 1 PID: 4942 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.692900][ T4935] el0_svc_common+0x138/0x258 [ 52.693918][ T4942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.694907][ T4935] do_el0_svc+0x58/0x14c [ 52.696074][ T4942] Call trace: [ 52.697191][ T4935] el0_svc+0x7c/0x1f0 [ 52.699506][ T4942] dump_backtrace+0x0/0x530 [ 52.700593][ T4935] el0t_64_sync_handler+0x84/0xe4 [ 52.702848][ T4942] show_stack+0x2c/0x3c [ 52.703764][ T4935] el0t_64_sync+0x1a0/0x1a4 [ 52.704510][ T4942] dump_stack_lvl+0x108/0x170 [ 52.705498][ T4935] irq event stamp: 2214 [ 52.706525][ T4942] dump_stack+0x1c/0x58 [ 52.707680][ T4935] hardirqs last enabled at (2213): [] __up_console_sem+0xb4/0x100 [ 52.708612][ T4942] should_fail+0x3b8/0x514 [ 52.709661][ T4935] hardirqs last disabled at (2214): [] el1_dbg+0x24/0x80 [ 52.710737][ T4942] __should_failslab+0xbc/0x110 [ 52.711753][ T4935] softirqs last enabled at (2192): [] __do_softirq+0xb5c/0xdb0 [ 52.712781][ T4942] should_failslab+0x10/0x28 [ 52.715094][ T4935] softirqs last disabled at (2181): [] __irq_exit_rcu+0x264/0x4d4 [ 52.716141][ T4942] slab_pre_alloc_hook+0x64/0xe8 [ 52.718105][ T4935] ---[ end trace c997b5f576d326fe ]--- [ 52.719238][ T4942] kmem_cache_alloc+0x98/0x45c [ 52.726797][ T4935] FAULT_INJECTION: forcing a failure. [ 52.726797][ T4935] name failslab, interval 1, probability 0, space 0, times 0 [ 52.726936][ T4942] new_inode_pseudo+0x110/0x200 [ 52.732194][ T4942] new_inode+0x38/0x174 [ 52.733174][ T4942] debugfs_create_dir+0xf0/0x420 [ 52.734320][ T4942] nbd_start_device+0x3bc/0xb34 [ 52.735385][ T4942] nbd_ioctl+0x420/0xc2c [ 52.736384][ T4942] blkdev_ioctl+0x3d8/0xbd0 [ 52.737435][ T4942] block_ioctl+0xa8/0x114 [ 52.738414][ T4942] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.739570][ T4942] invoke_syscall+0x98/0x2b8 [ 52.740650][ T4942] el0_svc_common+0x138/0x258 [ 52.741709][ T4942] do_el0_svc+0x58/0x14c [ 52.742755][ T4942] el0_svc+0x7c/0x1f0 [ 52.743664][ T4942] el0t_64_sync_handler+0x84/0xe4 [ 52.744791][ T4942] el0t_64_sync+0x1a0/0x1a4 [ 52.745817][ T4935] CPU: 0 PID: 4935 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.747452][ T4942] debugfs: out of free dentries, can not create directory 'nbd0' [ 52.748193][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.748209][ T4935] Call trace: [ 52.748212][ T4935] dump_backtrace+0x0/0x530 [ 52.748229][ T4935] show_stack+0x2c/0x3c [ 52.750460][ T4942] block nbd0: Failed to create debugfs dir for 'nbd0' [ 52.752323][ T4935] dump_stack_lvl+0x108/0x170 [ 52.752345][ T4935] dump_stack+0x1c/0x58 [ 52.752354][ T4935] should_fail+0x3b8/0x514 [ 52.752365][ T4935] __should_failslab+0xbc/0x110 [ 52.752377][ T4935] should_failslab+0x10/0x28 [ 52.752387][ T4935] slab_pre_alloc_hook+0x64/0xe8 [ 52.763077][ T4935] __kmalloc_node+0xbc/0x5b8 [ 52.764190][ T4935] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.765481][ T4935] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.766863][ T4935] nbd_start_device+0x158/0xb34 [ 52.768076][ T4935] nbd_ioctl+0x420/0xc2c [ 52.769108][ T4935] blkdev_ioctl+0x3d8/0xbd0 [ 52.770185][ T4935] block_ioctl+0xa8/0x114 [ 52.771188][ T4935] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.772335][ T4935] invoke_syscall+0x98/0x2b8 [ 52.773485][ T4935] el0_svc_common+0x138/0x258 [ 52.774646][ T4935] do_el0_svc+0x58/0x14c [ 52.775657][ T4935] el0_svc+0x7c/0x1f0 [ 52.776626][ T4935] el0t_64_sync_handler+0x84/0xe4 [ 52.777847][ T4935] el0t_64_sync+0x1a0/0x1a4 executing program [ 52.781406][ T4947] block nbd2: shutting down sockets [ 52.781794][ T4935] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.798812][ T4945] FAULT_INJECTION: forcing a failure. [ 52.798812][ T4945] name failslab, interval 1, probability 0, space 0, times 0 [ 52.801748][ T4945] CPU: 1 PID: 4945 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.804072][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.806444][ T4945] Call trace: [ 52.807177][ T4945] dump_backtrace+0x0/0x530 [ 52.808220][ T4945] show_stack+0x2c/0x3c [ 52.809219][ T4945] dump_stack_lvl+0x108/0x170 [ 52.810314][ T4945] dump_stack+0x1c/0x58 [ 52.811299][ T4945] should_fail+0x3b8/0x514 [ 52.812304][ T4945] __should_failslab+0xbc/0x110 [ 52.813437][ T4945] should_failslab+0x10/0x28 [ 52.814566][ T4945] slab_pre_alloc_hook+0x64/0xe8 [ 52.815566][ T4954] block nbd3: shutting down sockets [ 52.815735][ T4945] __kmalloc_node+0xbc/0x5b8 [ 52.818001][ T4945] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.819262][ T4945] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.820673][ T4945] nbd_start_device+0x158/0xb34 [ 52.821798][ T4945] nbd_ioctl+0x420/0xc2c [ 52.822769][ T4945] blkdev_ioctl+0x3d8/0xbd0 [ 52.823847][ T4945] block_ioctl+0xa8/0x114 [ 52.824766][ T4945] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.825828][ T4945] invoke_syscall+0x98/0x2b8 [ 52.826880][ T4945] el0_svc_common+0x138/0x258 [ 52.827988][ T4945] do_el0_svc+0x58/0x14c [ 52.829013][ T4945] el0_svc+0x7c/0x1f0 [ 52.829924][ T4945] el0t_64_sync_handler+0x84/0xe4 [ 52.831121][ T4945] el0t_64_sync+0x1a0/0x1a4 executing program [ 52.833360][ T4945] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 52.860619][ T4953] FAULT_INJECTION: forcing a failure. [ 52.860619][ T4953] name failslab, interval 1, probability 0, space 0, times 0 [ 52.863370][ T4953] CPU: 1 PID: 4953 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.865713][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.868049][ T4953] Call trace: [ 52.868735][ T4953] dump_backtrace+0x0/0x530 [ 52.869773][ T4953] show_stack+0x2c/0x3c [ 52.870655][ T4953] dump_stack_lvl+0x108/0x170 [ 52.871730][ T4953] dump_stack+0x1c/0x58 [ 52.872692][ T4953] should_fail+0x3b8/0x514 [ 52.873764][ T4953] __should_failslab+0xbc/0x110 [ 52.874885][ T4953] should_failslab+0x10/0x28 [ 52.875966][ T4953] slab_pre_alloc_hook+0x64/0xe8 [ 52.877093][ T4953] __kmalloc_node+0xbc/0x5b8 [ 52.878126][ T4953] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.879471][ T4953] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.880795][ T4953] nbd_start_device+0x158/0xb34 [ 52.881818][ T4953] nbd_ioctl+0x420/0xc2c [ 52.882786][ T4953] blkdev_ioctl+0x3d8/0xbd0 [ 52.883835][ T4953] block_ioctl+0xa8/0x114 [ 52.884724][ T4953] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.885897][ T4953] invoke_syscall+0x98/0x2b8 [ 52.886935][ T4953] el0_svc_common+0x138/0x258 [ 52.888001][ T4953] do_el0_svc+0x58/0x14c [ 52.888980][ T4953] el0_svc+0x7c/0x1f0 [ 52.889885][ T4953] el0t_64_sync_handler+0x84/0xe4 [ 52.890975][ T4953] el0t_64_sync+0x1a0/0x1a4 [ 52.892866][ T4953] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.895232][ T4960] block nbd0: shutting down sockets [ 52.900531][ T4949] FAULT_INJECTION: forcing a failure. [ 52.900531][ T4949] name failslab, interval 1, probability 0, space 0, times 0 [ 52.903459][ T4949] CPU: 0 PID: 4949 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.905651][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.907990][ T4949] Call trace: [ 52.908775][ T4949] dump_backtrace+0x0/0x530 [ 52.909881][ T4949] show_stack+0x2c/0x3c [ 52.910787][ T4949] dump_stack_lvl+0x108/0x170 [ 52.911964][ T4949] dump_stack+0x1c/0x58 [ 52.912910][ T4949] should_fail+0x3b8/0x514 [ 52.914126][ T4949] __should_failslab+0xbc/0x110 [ 52.915223][ T4949] should_failslab+0x10/0x28 [ 52.916248][ T4949] slab_pre_alloc_hook+0x64/0xe8 [ 52.917414][ T4949] __kmalloc_node+0xbc/0x5b8 [ 52.918449][ T4949] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 52.919734][ T4949] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 52.921111][ T4949] nbd_start_device+0x158/0xb34 [ 52.922281][ T4949] nbd_ioctl+0x420/0xc2c [ 52.923331][ T4949] blkdev_ioctl+0x3d8/0xbd0 [ 52.924416][ T4949] block_ioctl+0xa8/0x114 [ 52.925445][ T4949] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.926643][ T4949] invoke_syscall+0x98/0x2b8 [ 52.926729][ T4956] FAULT_INJECTION: forcing a failure. [ 52.926729][ T4956] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.927724][ T4949] el0_svc_common+0x138/0x258 [ 52.932082][ T4949] do_el0_svc+0x58/0x14c [ 52.933089][ T4949] el0_svc+0x7c/0x1f0 [ 52.934099][ T4949] el0t_64_sync_handler+0x84/0xe4 [ 52.935230][ T4949] el0t_64_sync+0x1a0/0x1a4 [ 52.936347][ T4956] CPU: 1 PID: 4956 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 52.938668][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 52.940923][ T4956] Call trace: [ 52.941657][ T4956] dump_backtrace+0x0/0x530 [ 52.942672][ T4956] show_stack+0x2c/0x3c [ 52.943662][ T4956] dump_stack_lvl+0x108/0x170 [ 52.943843][ T4949] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 52.944756][ T4956] dump_stack+0x1c/0x58 [ 52.944774][ T4956] should_fail+0x3b8/0x514 [ 52.944786][ T4956] should_fail_alloc_page+0x74/0xa8 [ 52.944799][ T4956] prepare_alloc_pages+0x160/0x460 [ 52.944810][ T4956] __alloc_pages+0x138/0x674 [ 52.951693][ T4956] alloc_pages+0x368/0x5d4 [ 52.952787][ T4956] new_slab+0xec/0x56c [ 52.953772][ T4956] ___slab_alloc+0x6bc/0xdbc [ 52.954810][ T4956] kmem_cache_alloc+0x2d8/0x45c [ 52.955870][ T4956] __d_alloc+0x3c/0x6a8 [ 52.956883][ T4956] d_alloc_parallel+0xb8/0x11bc [ 52.958053][ T4956] __lookup_slow+0x108/0x388 [ 52.959189][ T4956] lookup_one_len+0x178/0x28c [ 52.960283][ T4956] start_creating+0x19c/0x2e0 [ 52.961384][ T4956] debugfs_create_dir+0x34/0x420 [ 52.962482][ T4956] nbd_start_device+0x3bc/0xb34 [ 52.963541][ T4956] nbd_ioctl+0x420/0xc2c [ 52.964557][ T4956] blkdev_ioctl+0x3d8/0xbd0 [ 52.965634][ T4956] block_ioctl+0xa8/0x114 [ 52.966632][ T4956] __arm64_sys_ioctl+0x14c/0x1c8 [ 52.967786][ T4956] invoke_syscall+0x98/0x2b8 [ 52.968876][ T4956] el0_svc_common+0x138/0x258 [ 52.969988][ T4956] do_el0_svc+0x58/0x14c [ 52.970986][ T4956] el0_svc+0x7c/0x1f0 [ 52.971935][ T4956] el0t_64_sync_handler+0x84/0xe4 [ 52.973146][ T4956] el0t_64_sync+0x1a0/0x1a4 [ 52.991981][ T4959] block nbd4: shutting down sockets executing program executing program executing program [ 53.035386][ T4964] block nbd1: shutting down sockets [ 53.049820][ T4959] FAULT_INJECTION: forcing a failure. [ 53.049820][ T4959] name failslab, interval 1, probability 0, space 0, times 0 [ 53.052839][ T4959] CPU: 0 PID: 4959 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.055194][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.056074][ T4966] block nbd2: shutting down sockets [ 53.057409][ T4959] Call trace: [ 53.057417][ T4959] dump_backtrace+0x0/0x530 [ 53.057435][ T4959] show_stack+0x2c/0x3c [ 53.057446][ T4959] dump_stack_lvl+0x108/0x170 [ 53.057457][ T4959] dump_stack+0x1c/0x58 [ 53.063392][ T4959] should_fail+0x3b8/0x514 [ 53.064401][ T4959] __should_failslab+0xbc/0x110 [ 53.065544][ T4959] should_failslab+0x10/0x28 [ 53.066651][ T4959] slab_pre_alloc_hook+0x64/0xe8 [ 53.067832][ T4959] __kmalloc_node+0xbc/0x5b8 [ 53.069010][ T4959] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 53.070407][ T4959] nbd_start_device+0x158/0xb34 [ 53.071555][ T4959] nbd_ioctl+0x420/0xc2c [ 53.072598][ T4959] blkdev_ioctl+0x3d8/0xbd0 [ 53.073691][ T4959] block_ioctl+0xa8/0x114 [ 53.074670][ T4959] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.075715][ T4959] invoke_syscall+0x98/0x2b8 [ 53.076807][ T4959] el0_svc_common+0x138/0x258 [ 53.077967][ T4959] do_el0_svc+0x58/0x14c [ 53.078892][ T4959] el0_svc+0x7c/0x1f0 [ 53.079806][ T4959] el0t_64_sync_handler+0x84/0xe4 [ 53.080978][ T4959] el0t_64_sync+0x1a0/0x1a4 [ 53.085788][ T4962] FAULT_INJECTION: forcing a failure. [ 53.085788][ T4962] name failslab, interval 1, probability 0, space 0, times 0 [ 53.089467][ T4962] CPU: 0 PID: 4962 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.091777][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.094006][ T4962] Call trace: [ 53.094803][ T4962] dump_backtrace+0x0/0x530 [ 53.096009][ T4962] show_stack+0x2c/0x3c [ 53.097084][ T4962] dump_stack_lvl+0x108/0x170 [ 53.097952][ T4962] dump_stack+0x1c/0x58 [ 53.098001][ T4968] block nbd3: shutting down sockets [ 53.098726][ T4962] should_fail+0x3b8/0x514 [ 53.098742][ T4962] __should_failslab+0xbc/0x110 [ 53.101380][ T4962] should_failslab+0x10/0x28 [ 53.102230][ T4962] slab_pre_alloc_hook+0x64/0xe8 [ 53.103143][ T4962] __kmalloc_node+0xbc/0x5b8 [ 53.103663][ T4970] block nbd0: shutting down sockets [ 53.103979][ T4962] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 53.105982][ T4962] nbd_start_device+0x158/0xb34 [ 53.106884][ T4962] nbd_ioctl+0x420/0xc2c [ 53.107671][ T4962] blkdev_ioctl+0x3d8/0xbd0 [ 53.108651][ T4962] block_ioctl+0xa8/0x114 [ 53.109645][ T4962] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.110819][ T4962] invoke_syscall+0x98/0x2b8 [ 53.111892][ T4962] el0_svc_common+0x138/0x258 [ 53.112920][ T4962] do_el0_svc+0x58/0x14c [ 53.113879][ T4962] el0_svc+0x7c/0x1f0 [ 53.114792][ T4962] el0t_64_sync_handler+0x84/0xe4 [ 53.116000][ T4962] el0t_64_sync+0x1a0/0x1a4 [ 53.117574][ T4970] FAULT_INJECTION: forcing a failure. [ 53.117574][ T4970] name failslab, interval 1, probability 0, space 0, times 0 [ 53.120594][ T4970] CPU: 1 PID: 4970 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.122929][ T4970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.125290][ T4970] Call trace: [ 53.126100][ T4970] dump_backtrace+0x0/0x530 [ 53.127143][ T4970] show_stack+0x2c/0x3c [ 53.128094][ T4970] dump_stack_lvl+0x108/0x170 [ 53.129242][ T4970] dump_stack+0x1c/0x58 [ 53.130196][ T4970] should_fail+0x3b8/0x514 executing program [ 53.131227][ T4970] __should_failslab+0xbc/0x110 [ 53.132357][ T4970] should_failslab+0x10/0x28 [ 53.133471][ T4970] slab_pre_alloc_hook+0x64/0xe8 [ 53.134614][ T4970] kmem_cache_alloc+0x98/0x45c [ 53.135699][ T4970] __d_alloc+0x3c/0x6a8 [ 53.136638][ T4970] d_alloc_parallel+0xb8/0x11bc [ 53.137748][ T4970] __lookup_slow+0x108/0x388 [ 53.138937][ T4970] lookup_one_len+0x178/0x28c [ 53.140073][ T4970] start_creating+0x19c/0x2e0 [ 53.141138][ T4970] debugfs_create_dir+0x34/0x420 [ 53.142347][ T4970] nbd_start_device+0x3bc/0xb34 [ 53.143430][ T4970] nbd_ioctl+0x420/0xc2c [ 53.144484][ T4970] blkdev_ioctl+0x3d8/0xbd0 [ 53.145571][ T4970] block_ioctl+0xa8/0x114 [ 53.146526][ T4970] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.147768][ T4970] invoke_syscall+0x98/0x2b8 [ 53.148821][ T4970] el0_svc_common+0x138/0x258 [ 53.149900][ T4970] do_el0_svc+0x58/0x14c [ 53.150855][ T4970] el0_svc+0x7c/0x1f0 [ 53.151808][ T4970] el0t_64_sync_handler+0x84/0xe4 [ 53.152962][ T4970] el0t_64_sync+0x1a0/0x1a4 [ 53.158592][ T4970] block nbd0: Failed to create debugfs dir for 'nbd0' [ 53.170957][ T4966] FAULT_INJECTION: forcing a failure. [ 53.170957][ T4966] name failslab, interval 1, probability 0, space 0, times 0 [ 53.174250][ T4966] CPU: 1 PID: 4966 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.176615][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.178998][ T4966] Call trace: [ 53.179741][ T4966] dump_backtrace+0x0/0x530 [ 53.180829][ T4966] show_stack+0x2c/0x3c executing program [ 53.181891][ T4966] dump_stack_lvl+0x108/0x170 [ 53.183053][ T4966] dump_stack+0x1c/0x58 [ 53.184100][ T4966] should_fail+0x3b8/0x514 executing program [ 53.185122][ T4966] __should_failslab+0xbc/0x110 [ 53.186329][ T4966] should_failslab+0x10/0x28 [ 53.187388][ T4966] slab_pre_alloc_hook+0x64/0xe8 [ 53.188614][ T4966] __kmalloc_node+0xbc/0x5b8 [ 53.189684][ T4966] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.191068][ T4966] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.192386][ T4966] nbd_start_device+0x158/0xb34 [ 53.193454][ T4966] nbd_ioctl+0x420/0xc2c [ 53.194431][ T4966] blkdev_ioctl+0x3d8/0xbd0 [ 53.195559][ T4966] block_ioctl+0xa8/0x114 [ 53.196629][ T4966] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.197747][ T4966] invoke_syscall+0x98/0x2b8 [ 53.198787][ T4966] el0_svc_common+0x138/0x258 [ 53.199899][ T4966] do_el0_svc+0x58/0x14c [ 53.200937][ T4966] el0_svc+0x7c/0x1f0 [ 53.201855][ T4966] el0t_64_sync_handler+0x84/0xe4 [ 53.202967][ T4966] el0t_64_sync+0x1a0/0x1a4 [ 53.207001][ T4966] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.208579][ T4968] FAULT_INJECTION: forcing a failure. [ 53.208579][ T4968] name failslab, interval 1, probability 0, space 0, times 0 [ 53.211808][ T4968] CPU: 1 PID: 4968 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.214000][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.216229][ T4968] Call trace: [ 53.216956][ T4968] dump_backtrace+0x0/0x530 [ 53.217987][ T4968] show_stack+0x2c/0x3c [ 53.218899][ T4968] dump_stack_lvl+0x108/0x170 [ 53.219964][ T4968] dump_stack+0x1c/0x58 [ 53.220935][ T4968] should_fail+0x3b8/0x514 [ 53.221928][ T4968] __should_failslab+0xbc/0x110 [ 53.223023][ T4968] should_failslab+0x10/0x28 [ 53.224139][ T4968] slab_pre_alloc_hook+0x64/0xe8 [ 53.225305][ T4968] __kmalloc_node+0xbc/0x5b8 [ 53.226386][ T4968] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.227614][ T4968] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.228903][ T4968] nbd_start_device+0x158/0xb34 [ 53.230082][ T4968] nbd_ioctl+0x420/0xc2c [ 53.231082][ T4968] blkdev_ioctl+0x3d8/0xbd0 [ 53.232087][ T4968] block_ioctl+0xa8/0x114 [ 53.233096][ T4968] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.234140][ T4968] invoke_syscall+0x98/0x2b8 [ 53.235181][ T4968] el0_svc_common+0x138/0x258 [ 53.236163][ T4968] do_el0_svc+0x58/0x14c [ 53.237147][ T4968] el0_svc+0x7c/0x1f0 [ 53.238131][ T4968] el0t_64_sync_handler+0x84/0xe4 [ 53.239264][ T4968] el0t_64_sync+0x1a0/0x1a4 [ 53.242762][ T4968] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.246714][ T4980] block nbd4: shutting down sockets executing program executing program [ 53.299118][ T4973] FAULT_INJECTION: forcing a failure. [ 53.299118][ T4973] name failslab, interval 1, probability 0, space 0, times 0 [ 53.302086][ T4973] CPU: 0 PID: 4973 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.304347][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.306601][ T4973] Call trace: [ 53.307439][ T4973] dump_backtrace+0x0/0x530 [ 53.308410][ T4973] show_stack+0x2c/0x3c [ 53.309349][ T4973] dump_stack_lvl+0x108/0x170 [ 53.310388][ T4973] dump_stack+0x1c/0x58 [ 53.311374][ T4973] should_fail+0x3b8/0x514 [ 53.312417][ T4973] __should_failslab+0xbc/0x110 [ 53.313530][ T4973] should_failslab+0x10/0x28 [ 53.314583][ T4973] slab_pre_alloc_hook+0x64/0xe8 [ 53.315736][ T4973] __kmalloc_node+0xbc/0x5b8 [ 53.316731][ T4973] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.317994][ T4973] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.319320][ T4973] nbd_start_device+0x158/0xb34 [ 53.320416][ T4973] nbd_ioctl+0x420/0xc2c [ 53.321410][ T4973] blkdev_ioctl+0x3d8/0xbd0 [ 53.322434][ T4973] block_ioctl+0xa8/0x114 [ 53.323420][ T4973] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.324617][ T4973] invoke_syscall+0x98/0x2b8 [ 53.325581][ T4973] el0_svc_common+0x138/0x258 [ 53.326001][ T4981] block nbd1: shutting down sockets [ 53.326578][ T4973] do_el0_svc+0x58/0x14c [ 53.328724][ T4973] el0_svc+0x7c/0x1f0 [ 53.329663][ T4973] el0t_64_sync_handler+0x84/0xe4 [ 53.330857][ T4973] el0t_64_sync+0x1a0/0x1a4 [ 53.335453][ T4979] block nbd0: shutting down sockets [ 53.342839][ T4973] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.346596][ T4979] FAULT_INJECTION: forcing a failure. [ 53.346596][ T4979] name failslab, interval 1, probability 0, space 0, times 0 [ 53.349301][ T4979] CPU: 0 PID: 4979 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.351427][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.353581][ T4979] Call trace: [ 53.354299][ T4979] dump_backtrace+0x0/0x530 [ 53.355300][ T4979] show_stack+0x2c/0x3c [ 53.356264][ T4979] dump_stack_lvl+0x108/0x170 [ 53.357407][ T4979] dump_stack+0x1c/0x58 [ 53.358358][ T4979] should_fail+0x3b8/0x514 [ 53.359329][ T4979] __should_failslab+0xbc/0x110 [ 53.360391][ T4979] should_failslab+0x10/0x28 [ 53.361427][ T4979] slab_pre_alloc_hook+0x64/0xe8 [ 53.362543][ T4979] kmem_cache_alloc+0x98/0x45c [ 53.363621][ T4979] __d_alloc+0x3c/0x6a8 [ 53.364612][ T4979] d_alloc_parallel+0xb8/0x11bc [ 53.365703][ T4979] __lookup_slow+0x108/0x388 [ 53.366779][ T4979] lookup_one_len+0x178/0x28c [ 53.367866][ T4979] start_creating+0x19c/0x2e0 [ 53.368945][ T4979] debugfs_create_dir+0x34/0x420 [ 53.370059][ T4979] nbd_start_device+0x3bc/0xb34 [ 53.371188][ T4979] nbd_ioctl+0x420/0xc2c [ 53.372182][ T4979] blkdev_ioctl+0x3d8/0xbd0 [ 53.373155][ T4979] block_ioctl+0xa8/0x114 [ 53.374099][ T4979] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.375229][ T4979] invoke_syscall+0x98/0x2b8 [ 53.376250][ T4979] el0_svc_common+0x138/0x258 [ 53.377281][ T4979] do_el0_svc+0x58/0x14c [ 53.378258][ T4979] el0_svc+0x7c/0x1f0 [ 53.379054][ T4979] el0t_64_sync_handler+0x84/0xe4 [ 53.380135][ T4979] el0t_64_sync+0x1a0/0x1a4 [ 53.384037][ T4979] block nbd0: Failed to create debugfs dir for 'nbd0' [ 53.398702][ T4978] FAULT_INJECTION: forcing a failure. [ 53.398702][ T4978] name failslab, interval 1, probability 0, space 0, times 0 [ 53.401616][ T4978] CPU: 1 PID: 4978 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.403706][ T4978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.405698][ T4986] block nbd3: shutting down sockets [ 53.406131][ T4978] Call trace: [ 53.408142][ T4978] dump_backtrace+0x0/0x530 [ 53.409254][ T4978] show_stack+0x2c/0x3c [ 53.410210][ T4978] dump_stack_lvl+0x108/0x170 [ 53.411269][ T4978] dump_stack+0x1c/0x58 [ 53.412213][ T4978] should_fail+0x3b8/0x514 [ 53.413100][ T4987] block nbd2: shutting down sockets [ 53.413272][ T4978] __should_failslab+0xbc/0x110 [ 53.415468][ T4978] should_failslab+0x10/0x28 [ 53.416535][ T4978] slab_pre_alloc_hook+0x64/0xe8 [ 53.417681][ T4978] __kmalloc_node+0xbc/0x5b8 [ 53.418708][ T4978] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 53.420084][ T4978] nbd_start_device+0x158/0xb34 [ 53.421163][ T4978] nbd_ioctl+0x420/0xc2c [ 53.422185][ T4978] blkdev_ioctl+0x3d8/0xbd0 [ 53.423182][ T4978] block_ioctl+0xa8/0x114 [ 53.424220][ T4978] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.425470][ T4978] invoke_syscall+0x98/0x2b8 [ 53.426488][ T4978] el0_svc_common+0x138/0x258 [ 53.427511][ T4978] do_el0_svc+0x58/0x14c [ 53.428544][ T4978] el0_svc+0x7c/0x1f0 [ 53.429467][ T4978] el0t_64_sync_handler+0x84/0xe4 executing program [ 53.430548][ T4978] el0t_64_sync+0x1a0/0x1a4 executing program [ 53.460176][ T4986] FAULT_INJECTION: forcing a failure. [ 53.460176][ T4986] name failslab, interval 1, probability 0, space 0, times 0 [ 53.463111][ T4986] CPU: 0 PID: 4986 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.465499][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.467806][ T4986] Call trace: [ 53.468567][ T4986] dump_backtrace+0x0/0x530 [ 53.469603][ T4986] show_stack+0x2c/0x3c [ 53.470600][ T4986] dump_stack_lvl+0x108/0x170 [ 53.471628][ T4986] dump_stack+0x1c/0x58 [ 53.472667][ T4986] should_fail+0x3b8/0x514 [ 53.473709][ T4986] __should_failslab+0xbc/0x110 [ 53.474851][ T4986] should_failslab+0x10/0x28 [ 53.475866][ T4986] slab_pre_alloc_hook+0x64/0xe8 [ 53.477059][ T4986] __kmalloc_node+0xbc/0x5b8 [ 53.478092][ T4986] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.479325][ T4986] blk_mq_update_nr_hw_queues+0x68c/0xc58 executing program [ 53.480619][ T4986] nbd_start_device+0x158/0xb34 [ 53.481771][ T4986] nbd_ioctl+0x420/0xc2c [ 53.482771][ T4986] blkdev_ioctl+0x3d8/0xbd0 [ 53.483861][ T4986] block_ioctl+0xa8/0x114 [ 53.484951][ T4986] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.486178][ T4986] invoke_syscall+0x98/0x2b8 [ 53.487295][ T4986] el0_svc_common+0x138/0x258 [ 53.488469][ T4986] do_el0_svc+0x58/0x14c [ 53.489555][ T4986] el0_svc+0x7c/0x1f0 [ 53.490464][ T4986] el0t_64_sync_handler+0x84/0xe4 [ 53.491618][ T4986] el0t_64_sync+0x1a0/0x1a4 [ 53.497533][ T4986] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.499812][ T4984] FAULT_INJECTION: forcing a failure. [ 53.499812][ T4984] name failslab, interval 1, probability 0, space 0, times 0 [ 53.502675][ T4984] CPU: 0 PID: 4984 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.504958][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.507288][ T4984] Call trace: [ 53.508138][ T4984] dump_backtrace+0x0/0x530 [ 53.509171][ T4984] show_stack+0x2c/0x3c [ 53.510102][ T4984] dump_stack_lvl+0x108/0x170 [ 53.511190][ T4984] dump_stack+0x1c/0x58 [ 53.512111][ T4984] should_fail+0x3b8/0x514 [ 53.513160][ T4984] __should_failslab+0xbc/0x110 [ 53.514372][ T4984] should_failslab+0x10/0x28 [ 53.515464][ T4984] slab_pre_alloc_hook+0x64/0xe8 [ 53.516595][ T4984] __kmalloc_node+0xbc/0x5b8 [ 53.517689][ T4984] blk_mq_realloc_hw_ctxs+0xc4/0x12ec executing program [ 53.518846][ T4984] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.520206][ T4984] nbd_start_device+0x158/0xb34 [ 53.521326][ T4984] nbd_ioctl+0x420/0xc2c [ 53.522292][ T4984] blkdev_ioctl+0x3d8/0xbd0 [ 53.523375][ T4984] block_ioctl+0xa8/0x114 [ 53.524353][ T4984] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.525479][ T4984] invoke_syscall+0x98/0x2b8 [ 53.526555][ T4984] el0_svc_common+0x138/0x258 [ 53.527574][ T4984] do_el0_svc+0x58/0x14c [ 53.528502][ T4984] el0_svc+0x7c/0x1f0 [ 53.529523][ T4984] el0t_64_sync_handler+0x84/0xe4 [ 53.530694][ T4984] el0t_64_sync+0x1a0/0x1a4 [ 53.540414][ T4984] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 53.567377][ T4997] block nbd1: shutting down sockets [ 53.567578][ T4998] block nbd0: shutting down sockets [ 53.576067][ T4989] block nbd4: shutting down sockets [ 53.586900][ T4994] FAULT_INJECTION: forcing a failure. [ 53.586900][ T4994] name failslab, interval 1, probability 0, space 0, times 0 [ 53.589822][ T4994] CPU: 0 PID: 4994 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.592117][ T4994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.594306][ T4994] Call trace: [ 53.595064][ T4994] dump_backtrace+0x0/0x530 [ 53.596050][ T4994] show_stack+0x2c/0x3c [ 53.596980][ T4994] dump_stack_lvl+0x108/0x170 [ 53.597976][ T4994] dump_stack+0x1c/0x58 [ 53.598985][ T4994] should_fail+0x3b8/0x514 [ 53.600073][ T4994] __should_failslab+0xbc/0x110 [ 53.601186][ T4994] should_failslab+0x10/0x28 [ 53.602188][ T4994] slab_pre_alloc_hook+0x64/0xe8 [ 53.603395][ T4994] kmem_cache_alloc+0x98/0x45c [ 53.604508][ T4994] new_inode_pseudo+0x110/0x200 [ 53.605644][ T4994] new_inode+0x38/0x174 [ 53.606561][ T4994] debugfs_create_dir+0xf0/0x420 [ 53.607644][ T4994] nbd_start_device+0x3bc/0xb34 [ 53.608747][ T4994] nbd_ioctl+0x420/0xc2c [ 53.609801][ T4994] blkdev_ioctl+0x3d8/0xbd0 [ 53.610850][ T4994] block_ioctl+0xa8/0x114 [ 53.611852][ T4994] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.613012][ T4994] invoke_syscall+0x98/0x2b8 [ 53.614128][ T4994] el0_svc_common+0x138/0x258 [ 53.615148][ T4994] do_el0_svc+0x58/0x14c [ 53.616130][ T4994] el0_svc+0x7c/0x1f0 [ 53.617277][ T4994] el0t_64_sync_handler+0x84/0xe4 [ 53.618436][ T4994] el0t_64_sync+0x1a0/0x1a4 [ 53.622175][ T4994] debugfs: out of free dentries, can not create directory 'nbd0' [ 53.623922][ T4994] block nbd0: Failed to create debugfs dir for 'nbd0' [ 53.625578][ T4996] block nbd3: shutting down sockets executing program [ 53.648762][ T4991] FAULT_INJECTION: forcing a failure. [ 53.648762][ T4991] name failslab, interval 1, probability 0, space 0, times 0 [ 53.648864][ T4989] FAULT_INJECTION: forcing a failure. [ 53.648864][ T4989] name failslab, interval 1, probability 0, space 0, times 0 [ 53.651659][ T4991] CPU: 1 PID: 4991 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.656128][ T5003] block nbd2: shutting down sockets [ 53.656918][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.656932][ T4991] Call trace: [ 53.656935][ T4991] dump_backtrace+0x0/0x530 [ 53.656954][ T4991] show_stack+0x2c/0x3c [ 53.663067][ T4991] dump_stack_lvl+0x108/0x170 [ 53.664234][ T4991] dump_stack+0x1c/0x58 [ 53.665253][ T4991] should_fail+0x3b8/0x514 [ 53.666285][ T4991] __should_failslab+0xbc/0x110 [ 53.667330][ T4991] should_failslab+0x10/0x28 [ 53.668475][ T4991] slab_pre_alloc_hook+0x64/0xe8 [ 53.669652][ T4991] __kmalloc_node+0xbc/0x5b8 [ 53.670731][ T4991] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.671923][ T4991] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.673299][ T4991] nbd_start_device+0x158/0xb34 [ 53.674409][ T4991] nbd_ioctl+0x420/0xc2c [ 53.675384][ T4991] blkdev_ioctl+0x3d8/0xbd0 [ 53.676395][ T4991] block_ioctl+0xa8/0x114 [ 53.677418][ T4991] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.678571][ T4991] invoke_syscall+0x98/0x2b8 [ 53.679689][ T4991] el0_svc_common+0x138/0x258 [ 53.680730][ T4991] do_el0_svc+0x58/0x14c [ 53.681826][ T4991] el0_svc+0x7c/0x1f0 [ 53.682688][ T4991] el0t_64_sync_handler+0x84/0xe4 [ 53.683827][ T4991] el0t_64_sync+0x1a0/0x1a4 [ 53.684910][ T4989] CPU: 0 PID: 4989 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.685427][ T4991] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.687184][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.687197][ T4989] Call trace: [ 53.687201][ T4989] dump_backtrace+0x0/0x530 [ 53.687217][ T4989] show_stack+0x2c/0x3c [ 53.687228][ T4989] dump_stack_lvl+0x108/0x170 [ 53.694508][ T4989] dump_stack+0x1c/0x58 [ 53.695439][ T4989] should_fail+0x3b8/0x514 [ 53.696485][ T4989] __should_failslab+0xbc/0x110 [ 53.697715][ T4989] should_failslab+0x10/0x28 [ 53.698762][ T4989] slab_pre_alloc_hook+0x64/0xe8 [ 53.699857][ T4989] __kmalloc_node+0xbc/0x5b8 [ 53.700904][ T4989] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.702183][ T4989] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.703667][ T4989] nbd_start_device+0x158/0xb34 [ 53.704751][ T4989] nbd_ioctl+0x420/0xc2c [ 53.705702][ T4989] blkdev_ioctl+0x3d8/0xbd0 [ 53.706700][ T4989] block_ioctl+0xa8/0x114 [ 53.707711][ T4989] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.708910][ T4989] invoke_syscall+0x98/0x2b8 [ 53.709974][ T4989] el0_svc_common+0x138/0x258 [ 53.711143][ T4989] do_el0_svc+0x58/0x14c [ 53.712070][ T4989] el0_svc+0x7c/0x1f0 [ 53.712984][ T4989] el0t_64_sync_handler+0x84/0xe4 [ 53.714151][ T4989] el0t_64_sync+0x1a0/0x1a4 [ 53.731083][ T4996] FAULT_INJECTION: forcing a failure. [ 53.731083][ T4996] name failslab, interval 1, probability 0, space 0, times 0 [ 53.733872][ T4996] CPU: 1 PID: 4996 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.736196][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.738601][ T4996] Call trace: [ 53.739104][ T5000] FAULT_INJECTION: forcing a failure. [ 53.739104][ T5000] name failslab, interval 1, probability 0, space 0, times 0 [ 53.739296][ T4996] dump_backtrace+0x0/0x530 [ 53.743238][ T4996] show_stack+0x2c/0x3c [ 53.744173][ T4996] dump_stack_lvl+0x108/0x170 [ 53.745159][ T4996] dump_stack+0x1c/0x58 [ 53.746081][ T4996] should_fail+0x3b8/0x514 [ 53.747062][ T4996] __should_failslab+0xbc/0x110 [ 53.748202][ T4996] should_failslab+0x10/0x28 [ 53.749254][ T4996] slab_pre_alloc_hook+0x64/0xe8 [ 53.750361][ T4996] __kmalloc_node+0xbc/0x5b8 [ 53.751436][ T4996] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.752677][ T4996] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.754165][ T4996] nbd_start_device+0x158/0xb34 [ 53.755387][ T4996] nbd_ioctl+0x420/0xc2c [ 53.755522][ T4989] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.756352][ T4996] blkdev_ioctl+0x3d8/0xbd0 [ 53.756368][ T4996] block_ioctl+0xa8/0x114 [ 53.756378][ T4996] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.756389][ T4996] invoke_syscall+0x98/0x2b8 [ 53.762055][ T4996] el0_svc_common+0x138/0x258 [ 53.763144][ T4996] do_el0_svc+0x58/0x14c [ 53.764062][ T4996] el0_svc+0x7c/0x1f0 [ 53.764988][ T4996] el0t_64_sync_handler+0x84/0xe4 [ 53.766129][ T4996] el0t_64_sync+0x1a0/0x1a4 [ 53.767233][ T5000] CPU: 0 PID: 5000 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.769513][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.771394][ T4996] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.771854][ T5000] Call trace: [ 53.771862][ T5000] dump_backtrace+0x0/0x530 [ 53.771879][ T5000] show_stack+0x2c/0x3c [ 53.771890][ T5000] dump_stack_lvl+0x108/0x170 [ 53.777241][ T5000] dump_stack+0x1c/0x58 [ 53.778252][ T5000] should_fail+0x3b8/0x514 [ 53.779268][ T5000] __should_failslab+0xbc/0x110 [ 53.780417][ T5000] should_failslab+0x10/0x28 [ 53.781418][ T5000] slab_pre_alloc_hook+0x64/0xe8 [ 53.782558][ T5000] __kmalloc_node+0xbc/0x5b8 [ 53.783659][ T5000] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.784866][ T5000] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.786197][ T5000] nbd_start_device+0x158/0xb34 [ 53.787276][ T5000] nbd_ioctl+0x420/0xc2c [ 53.788224][ T5000] blkdev_ioctl+0x3d8/0xbd0 [ 53.789271][ T5000] block_ioctl+0xa8/0x114 [ 53.790255][ T5000] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.791417][ T5000] invoke_syscall+0x98/0x2b8 [ 53.792498][ T5000] el0_svc_common+0x138/0x258 [ 53.793589][ T5000] do_el0_svc+0x58/0x14c [ 53.794634][ T5000] el0_svc+0x7c/0x1f0 [ 53.795578][ T5000] el0t_64_sync_handler+0x84/0xe4 [ 53.796673][ T5000] el0t_64_sync+0x1a0/0x1a4 [ 53.808981][ T5000] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 53.835471][ T5005] block nbd0: shutting down sockets executing program executing program [ 53.843107][ T5005] FAULT_INJECTION: forcing a failure. [ 53.843107][ T5005] name failslab, interval 1, probability 0, space 0, times 0 [ 53.846517][ T5005] CPU: 0 PID: 5005 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.848622][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.850816][ T5005] Call trace: [ 53.851533][ T5005] dump_backtrace+0x0/0x530 [ 53.852537][ T5005] show_stack+0x2c/0x3c [ 53.853446][ T5005] dump_stack_lvl+0x108/0x170 [ 53.854533][ T5005] dump_stack+0x1c/0x58 [ 53.855539][ T5005] should_fail+0x3b8/0x514 [ 53.856614][ T5005] __should_failslab+0xbc/0x110 [ 53.857734][ T5005] should_failslab+0x10/0x28 [ 53.858756][ T5005] slab_pre_alloc_hook+0x64/0xe8 [ 53.859969][ T5005] kmem_cache_alloc+0x98/0x45c [ 53.861192][ T5005] __d_alloc+0x3c/0x6a8 [ 53.862126][ T5005] d_alloc_parallel+0xb8/0x11bc [ 53.863183][ T5005] __lookup_slow+0x108/0x388 [ 53.864208][ T5005] lookup_one_len+0x178/0x28c [ 53.865256][ T5005] start_creating+0x19c/0x2e0 [ 53.866274][ T5005] debugfs_create_dir+0x34/0x420 [ 53.867363][ T5005] nbd_start_device+0x3bc/0xb34 [ 53.868390][ T5005] nbd_ioctl+0x420/0xc2c [ 53.869423][ T5005] blkdev_ioctl+0x3d8/0xbd0 [ 53.870484][ T5005] block_ioctl+0xa8/0x114 [ 53.871391][ T5005] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.872492][ T5005] invoke_syscall+0x98/0x2b8 [ 53.873587][ T5005] el0_svc_common+0x138/0x258 [ 53.874635][ T5005] do_el0_svc+0x58/0x14c [ 53.875660][ T5005] el0_svc+0x7c/0x1f0 [ 53.876612][ T5005] el0t_64_sync_handler+0x84/0xe4 [ 53.877810][ T5005] el0t_64_sync+0x1a0/0x1a4 [ 53.879214][ T5005] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 53.906134][ T5010] block nbd3: shutting down sockets [ 53.915577][ T5009] block nbd1: shutting down sockets [ 53.935655][ T5014] block nbd2: shutting down sockets [ 53.958807][ T5010] FAULT_INJECTION: forcing a failure. [ 53.958807][ T5010] name failslab, interval 1, probability 0, space 0, times 0 [ 53.959186][ T5009] FAULT_INJECTION: forcing a failure. [ 53.959186][ T5009] name failslab, interval 1, probability 0, space 0, times 0 [ 53.961678][ T5010] CPU: 1 PID: 5010 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.965896][ T5015] block nbd4: shutting down sockets [ 53.966894][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.966907][ T5010] Call trace: [ 53.966911][ T5010] dump_backtrace+0x0/0x530 [ 53.966929][ T5010] show_stack+0x2c/0x3c [ 53.966940][ T5010] dump_stack_lvl+0x108/0x170 [ 53.968831][ T5017] block nbd0: shutting down sockets [ 53.970344][ T5010] dump_stack+0x1c/0x58 [ 53.970361][ T5010] should_fail+0x3b8/0x514 [ 53.970373][ T5010] __should_failslab+0xbc/0x110 [ 53.970385][ T5010] should_failslab+0x10/0x28 [ 53.979134][ T5010] slab_pre_alloc_hook+0x64/0xe8 [ 53.980266][ T5010] __kmalloc_node+0xbc/0x5b8 [ 53.981314][ T5010] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 53.982489][ T5010] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 53.983864][ T5010] nbd_start_device+0x158/0xb34 [ 53.984925][ T5010] nbd_ioctl+0x420/0xc2c [ 53.985867][ T5010] blkdev_ioctl+0x3d8/0xbd0 [ 53.986940][ T5010] block_ioctl+0xa8/0x114 [ 53.987951][ T5010] __arm64_sys_ioctl+0x14c/0x1c8 [ 53.989150][ T5010] invoke_syscall+0x98/0x2b8 [ 53.990147][ T5010] el0_svc_common+0x138/0x258 [ 53.991256][ T5010] do_el0_svc+0x58/0x14c [ 53.992252][ T5010] el0_svc+0x7c/0x1f0 [ 53.993147][ T5010] el0t_64_sync_handler+0x84/0xe4 [ 53.994341][ T5010] el0t_64_sync+0x1a0/0x1a4 [ 53.997214][ T5009] CPU: 0 PID: 5009 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 53.997751][ T5010] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 53.999537][ T5009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 53.999549][ T5009] Call trace: [ 53.999553][ T5009] dump_backtrace+0x0/0x530 [ 53.999569][ T5009] show_stack+0x2c/0x3c [ 54.006162][ T5009] dump_stack_lvl+0x108/0x170 [ 54.007244][ T5009] dump_stack+0x1c/0x58 [ 54.008215][ T5009] should_fail+0x3b8/0x514 [ 54.008832][ T5014] FAULT_INJECTION: forcing a failure. [ 54.008832][ T5014] name failslab, interval 1, probability 0, space 0, times 0 [ 54.009201][ T5009] __should_failslab+0xbc/0x110 [ 54.012987][ T5009] should_failslab+0x10/0x28 [ 54.014006][ T5009] slab_pre_alloc_hook+0x64/0xe8 [ 54.015191][ T5009] __kmalloc_node+0xbc/0x5b8 [ 54.016263][ T5009] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.017417][ T5009] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.018693][ T5009] nbd_start_device+0x158/0xb34 [ 54.019746][ T5009] nbd_ioctl+0x420/0xc2c [ 54.020717][ T5009] blkdev_ioctl+0x3d8/0xbd0 [ 54.021779][ T5009] block_ioctl+0xa8/0x114 [ 54.022826][ T5009] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.023983][ T5009] invoke_syscall+0x98/0x2b8 [ 54.025127][ T5009] el0_svc_common+0x138/0x258 [ 54.026236][ T5009] do_el0_svc+0x58/0x14c [ 54.027248][ T5009] el0_svc+0x7c/0x1f0 [ 54.028186][ T5009] el0t_64_sync_handler+0x84/0xe4 [ 54.029311][ T5009] el0t_64_sync+0x1a0/0x1a4 [ 54.030287][ T5014] CPU: 1 PID: 5014 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.032556][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.034993][ T5014] Call trace: [ 54.035783][ T5014] dump_backtrace+0x0/0x530 [ 54.036858][ T5014] show_stack+0x2c/0x3c [ 54.037822][ T5014] dump_stack_lvl+0x108/0x170 [ 54.038351][ T5009] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.038959][ T5014] dump_stack+0x1c/0x58 [ 54.038973][ T5014] should_fail+0x3b8/0x514 [ 54.038985][ T5014] __should_failslab+0xbc/0x110 [ 54.043704][ T5014] should_failslab+0x10/0x28 [ 54.044731][ T5014] slab_pre_alloc_hook+0x64/0xe8 [ 54.045854][ T5014] __kmalloc_node+0xbc/0x5b8 [ 54.046906][ T5014] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.048107][ T5014] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.049551][ T5014] nbd_start_device+0x158/0xb34 [ 54.050630][ T5014] nbd_ioctl+0x420/0xc2c [ 54.051568][ T5014] blkdev_ioctl+0x3d8/0xbd0 [ 54.052663][ T5014] block_ioctl+0xa8/0x114 [ 54.053710][ T5014] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.054813][ T5014] invoke_syscall+0x98/0x2b8 [ 54.055813][ T5014] el0_svc_common+0x138/0x258 [ 54.056852][ T5014] do_el0_svc+0x58/0x14c [ 54.057775][ T5014] el0_svc+0x7c/0x1f0 [ 54.058719][ T5014] el0t_64_sync_handler+0x84/0xe4 [ 54.059929][ T5014] el0t_64_sync+0x1a0/0x1a4 [ 54.063650][ T5022] FAULT_INJECTION: forcing a failure. executing program [ 54.063650][ T5022] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 54.071270][ T5013] FAULT_INJECTION: forcing a failure. [ 54.071270][ T5013] name failslab, interval 1, probability 0, space 0, times 0 [ 54.071400][ T5022] CPU: 1 PID: 5022 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.076476][ T5022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.078678][ T5022] Call trace: [ 54.079490][ T5022] dump_backtrace+0x0/0x530 [ 54.080607][ T5022] show_stack+0x2c/0x3c [ 54.081651][ T5022] dump_stack_lvl+0x108/0x170 [ 54.082771][ T5022] dump_stack+0x1c/0x58 [ 54.083774][ T5022] should_fail+0x3b8/0x514 [ 54.084817][ T5022] should_fail_alloc_page+0x74/0xa8 [ 54.086074][ T5022] prepare_alloc_pages+0x160/0x460 [ 54.087327][ T5022] __alloc_pages+0x138/0x674 [ 54.088321][ T5022] alloc_pages+0x368/0x5d4 [ 54.089460][ T5022] new_slab+0xec/0x56c [ 54.090413][ T5022] ___slab_alloc+0x6bc/0xdbc [ 54.091560][ T5022] kmem_cache_alloc+0x2d8/0x45c [ 54.092687][ T5022] __d_alloc+0x3c/0x6a8 [ 54.093632][ T5022] d_alloc_parallel+0xb8/0x11bc [ 54.094772][ T5022] __lookup_slow+0x108/0x388 [ 54.095865][ T5022] lookup_one_len+0x178/0x28c [ 54.097015][ T5022] start_creating+0x19c/0x2e0 [ 54.098060][ T5022] debugfs_create_dir+0x34/0x420 [ 54.099216][ T5022] nbd_start_device+0x3bc/0xb34 [ 54.100447][ T5022] nbd_ioctl+0x420/0xc2c [ 54.101415][ T5022] blkdev_ioctl+0x3d8/0xbd0 [ 54.102463][ T5014] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.102493][ T5022] block_ioctl+0xa8/0x114 [ 54.105161][ T5022] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.106309][ T5022] invoke_syscall+0x98/0x2b8 [ 54.107375][ T5022] el0_svc_common+0x138/0x258 [ 54.108494][ T5022] do_el0_svc+0x58/0x14c [ 54.109493][ T5022] el0_svc+0x7c/0x1f0 [ 54.110430][ T5022] el0t_64_sync_handler+0x84/0xe4 [ 54.111642][ T5022] el0t_64_sync+0x1a0/0x1a4 [ 54.115984][ T5013] CPU: 1 PID: 5013 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.118284][ T5013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.120605][ T5013] Call trace: [ 54.121296][ T5013] dump_backtrace+0x0/0x530 [ 54.122356][ T5013] show_stack+0x2c/0x3c [ 54.123333][ T5013] dump_stack_lvl+0x108/0x170 [ 54.124521][ T5013] dump_stack+0x1c/0x58 [ 54.125442][ T5013] should_fail+0x3b8/0x514 [ 54.126558][ T5013] __should_failslab+0xbc/0x110 [ 54.127657][ T5013] should_failslab+0x10/0x28 [ 54.128732][ T5013] slab_pre_alloc_hook+0x64/0xe8 [ 54.129865][ T5013] __kmalloc_node+0xbc/0x5b8 [ 54.130915][ T5013] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.132131][ T5013] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.133387][ T5013] nbd_start_device+0x158/0xb34 [ 54.134607][ T5013] nbd_ioctl+0x420/0xc2c [ 54.135627][ T5013] blkdev_ioctl+0x3d8/0xbd0 [ 54.136615][ T5013] block_ioctl+0xa8/0x114 [ 54.137621][ T5013] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.138786][ T5013] invoke_syscall+0x98/0x2b8 [ 54.139989][ T5013] el0_svc_common+0x138/0x258 [ 54.141049][ T5013] do_el0_svc+0x58/0x14c [ 54.142068][ T5013] el0_svc+0x7c/0x1f0 [ 54.143074][ T5013] el0t_64_sync_handler+0x84/0xe4 [ 54.144249][ T5013] el0t_64_sync+0x1a0/0x1a4 executing program [ 54.152393][ T5013] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program executing program [ 54.195638][ T5023] block nbd3: shutting down sockets [ 54.195981][ T5026] block nbd1: shutting down sockets [ 54.215515][ T5028] block nbd0: shutting down sockets [ 54.226048][ T5028] FAULT_INJECTION: forcing a failure. [ 54.226048][ T5028] name failslab, interval 1, probability 0, space 0, times 0 [ 54.229497][ T5028] CPU: 1 PID: 5028 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.231832][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.234184][ T5028] Call trace: [ 54.234902][ T5028] dump_backtrace+0x0/0x530 [ 54.235947][ T5028] show_stack+0x2c/0x3c [ 54.236896][ T5028] dump_stack_lvl+0x108/0x170 [ 54.237961][ T5028] dump_stack+0x1c/0x58 [ 54.238913][ T5028] should_fail+0x3b8/0x514 [ 54.239947][ T5028] __should_failslab+0xbc/0x110 [ 54.241048][ T5028] should_failslab+0x10/0x28 [ 54.242097][ T5028] slab_pre_alloc_hook+0x64/0xe8 [ 54.243291][ T5028] kmem_cache_alloc+0x98/0x45c [ 54.244433][ T5028] new_inode_pseudo+0x110/0x200 [ 54.245559][ T5028] new_inode+0x38/0x174 [ 54.246513][ T5028] debugfs_create_dir+0xf0/0x420 [ 54.247752][ T5028] nbd_start_device+0x3bc/0xb34 [ 54.248932][ T5028] nbd_ioctl+0x420/0xc2c [ 54.249997][ T5028] blkdev_ioctl+0x3d8/0xbd0 [ 54.250993][ T5028] block_ioctl+0xa8/0x114 [ 54.251939][ T5028] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.253161][ T5028] invoke_syscall+0x98/0x2b8 [ 54.254239][ T5028] el0_svc_common+0x138/0x258 [ 54.255300][ T5028] do_el0_svc+0x58/0x14c [ 54.256384][ T5028] el0_svc+0x7c/0x1f0 [ 54.257365][ T5028] el0t_64_sync_handler+0x84/0xe4 [ 54.258616][ T5028] el0t_64_sync+0x1a0/0x1a4 [ 54.262972][ T5030] block nbd2: shutting down sockets [ 54.264439][ T5023] FAULT_INJECTION: forcing a failure. [ 54.264439][ T5023] name failslab, interval 1, probability 0, space 0, times 0 [ 54.267455][ T5023] CPU: 1 PID: 5023 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.269664][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.271965][ T5023] Call trace: [ 54.272786][ T5023] dump_backtrace+0x0/0x530 [ 54.273853][ T5023] show_stack+0x2c/0x3c [ 54.274837][ T5023] dump_stack_lvl+0x108/0x170 [ 54.275913][ T5023] dump_stack+0x1c/0x58 [ 54.276967][ T5023] should_fail+0x3b8/0x514 [ 54.278070][ T5023] __should_failslab+0xbc/0x110 [ 54.279140][ T5023] should_failslab+0x10/0x28 [ 54.279518][ T5026] FAULT_INJECTION: forcing a failure. [ 54.279518][ T5026] name failslab, interval 1, probability 0, space 0, times 0 [ 54.280215][ T5023] slab_pre_alloc_hook+0x64/0xe8 [ 54.284263][ T5023] __kmalloc_node+0xbc/0x5b8 [ 54.285263][ T5023] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 54.286450][ T5023] nbd_start_device+0x158/0xb34 [ 54.287499][ T5023] nbd_ioctl+0x420/0xc2c [ 54.288438][ T5023] blkdev_ioctl+0x3d8/0xbd0 [ 54.289473][ T5023] block_ioctl+0xa8/0x114 [ 54.290422][ T5023] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.291490][ T5023] invoke_syscall+0x98/0x2b8 [ 54.292559][ T5023] el0_svc_common+0x138/0x258 [ 54.293572][ T5023] do_el0_svc+0x58/0x14c [ 54.294579][ T5023] el0_svc+0x7c/0x1f0 [ 54.295492][ T5023] el0t_64_sync_handler+0x84/0xe4 [ 54.296549][ T5023] el0t_64_sync+0x1a0/0x1a4 [ 54.299467][ T5034] block nbd4: shutting down sockets [ 54.300427][ T5028] debugfs: out of free dentries, can not create directory 'nbd0' [ 54.300978][ T5026] CPU: 0 PID: 5026 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.303103][ T5028] block nbd0: Failed to create debugfs dir for 'nbd0' [ 54.304641][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.304655][ T5026] Call trace: [ 54.304659][ T5026] dump_backtrace+0x0/0x530 [ 54.304676][ T5026] show_stack+0x2c/0x3c [ 54.311362][ T5026] dump_stack_lvl+0x108/0x170 [ 54.312417][ T5026] dump_stack+0x1c/0x58 [ 54.313358][ T5026] should_fail+0x3b8/0x514 [ 54.314371][ T5026] __should_failslab+0xbc/0x110 [ 54.315440][ T5026] should_failslab+0x10/0x28 [ 54.316536][ T5026] slab_pre_alloc_hook+0x64/0xe8 [ 54.317715][ T5026] __kmalloc_node+0xbc/0x5b8 [ 54.318869][ T5026] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.320155][ T5026] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.321523][ T5026] nbd_start_device+0x158/0xb34 [ 54.322628][ T5026] nbd_ioctl+0x420/0xc2c [ 54.323581][ T5026] blkdev_ioctl+0x3d8/0xbd0 [ 54.324541][ T5026] block_ioctl+0xa8/0x114 [ 54.325614][ T5026] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.326830][ T5026] invoke_syscall+0x98/0x2b8 [ 54.327847][ T5026] el0_svc_common+0x138/0x258 [ 54.328933][ T5026] do_el0_svc+0x58/0x14c [ 54.329886][ T5026] el0_svc+0x7c/0x1f0 executing program [ 54.330775][ T5026] el0t_64_sync_handler+0x84/0xe4 [ 54.331825][ T5026] el0t_64_sync+0x1a0/0x1a4 [ 54.334710][ T5026] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 54.379127][ T5032] FAULT_INJECTION: forcing a failure. [ 54.379127][ T5032] name failslab, interval 1, probability 0, space 0, times 0 [ 54.380773][ T5035] FAULT_INJECTION: forcing a failure. [ 54.380773][ T5035] name failslab, interval 1, probability 0, space 0, times 0 [ 54.382148][ T5032] CPU: 1 PID: 5032 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.387448][ T5032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.389797][ T5032] Call trace: [ 54.390665][ T5032] dump_backtrace+0x0/0x530 [ 54.391715][ T5032] show_stack+0x2c/0x3c [ 54.392633][ T5032] dump_stack_lvl+0x108/0x170 [ 54.393750][ T5032] dump_stack+0x1c/0x58 [ 54.394763][ T5032] should_fail+0x3b8/0x514 [ 54.395827][ T5032] __should_failslab+0xbc/0x110 [ 54.396968][ T5032] should_failslab+0x10/0x28 [ 54.398068][ T5032] slab_pre_alloc_hook+0x64/0xe8 [ 54.399241][ T5032] __kmalloc_node+0xbc/0x5b8 [ 54.400247][ T5032] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.401406][ T5032] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.402729][ T5032] nbd_start_device+0x158/0xb34 [ 54.403964][ T5032] nbd_ioctl+0x420/0xc2c [ 54.404928][ T5032] blkdev_ioctl+0x3d8/0xbd0 [ 54.405950][ T5032] block_ioctl+0xa8/0x114 [ 54.406989][ T5032] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.408158][ T5032] invoke_syscall+0x98/0x2b8 [ 54.409201][ T5032] el0_svc_common+0x138/0x258 [ 54.410323][ T5032] do_el0_svc+0x58/0x14c [ 54.411344][ T5032] el0_svc+0x7c/0x1f0 [ 54.412286][ T5032] el0t_64_sync_handler+0x84/0xe4 [ 54.413551][ T5032] el0t_64_sync+0x1a0/0x1a4 [ 54.414712][ T5035] CPU: 0 PID: 5035 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.417047][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.418337][ T5032] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.419340][ T5035] Call trace: [ 54.421739][ T5035] dump_backtrace+0x0/0x530 [ 54.422816][ T5035] show_stack+0x2c/0x3c [ 54.423785][ T5035] dump_stack_lvl+0x108/0x170 [ 54.424821][ T5035] dump_stack+0x1c/0x58 [ 54.425817][ T5035] should_fail+0x3b8/0x514 [ 54.426892][ T5035] __should_failslab+0xbc/0x110 [ 54.428050][ T5035] should_failslab+0x10/0x28 [ 54.428633][ T5038] block nbd0: shutting down sockets [ 54.429063][ T5035] slab_pre_alloc_hook+0x64/0xe8 [ 54.431297][ T5035] __kmalloc_node+0xbc/0x5b8 [ 54.432408][ T5035] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.433556][ T5035] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.434873][ T5035] nbd_start_device+0x158/0xb34 [ 54.435962][ T5035] nbd_ioctl+0x420/0xc2c [ 54.436955][ T5035] blkdev_ioctl+0x3d8/0xbd0 [ 54.437997][ T5035] block_ioctl+0xa8/0x114 [ 54.438964][ T5035] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.440073][ T5035] invoke_syscall+0x98/0x2b8 [ 54.441142][ T5035] el0_svc_common+0x138/0x258 [ 54.442187][ T5035] do_el0_svc+0x58/0x14c [ 54.443120][ T5035] el0_svc+0x7c/0x1f0 [ 54.444064][ T5035] el0t_64_sync_handler+0x84/0xe4 [ 54.445307][ T5035] el0t_64_sync+0x1a0/0x1a4 [ 54.445998][ T5038] FAULT_INJECTION: forcing a failure. [ 54.445998][ T5038] name failslab, interval 1, probability 0, space 0, times 0 [ 54.449397][ T5038] CPU: 1 PID: 5038 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.451610][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.452293][ T5035] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.453772][ T5038] Call trace: [ 54.453781][ T5038] dump_backtrace+0x0/0x530 [ 54.453800][ T5038] show_stack+0x2c/0x3c [ 54.453810][ T5038] dump_stack_lvl+0x108/0x170 [ 54.453822][ T5038] dump_stack+0x1c/0x58 [ 54.460080][ T5038] should_fail+0x3b8/0x514 [ 54.461129][ T5038] __should_failslab+0xbc/0x110 [ 54.462200][ T5038] should_failslab+0x10/0x28 [ 54.463320][ T5038] slab_pre_alloc_hook+0x64/0xe8 [ 54.464531][ T5038] kmem_cache_alloc+0x98/0x45c [ 54.465659][ T5038] new_inode_pseudo+0x110/0x200 [ 54.466799][ T5038] new_inode+0x38/0x174 [ 54.467777][ T5038] debugfs_create_dir+0xf0/0x420 [ 54.468453][ T5045] block nbd1: shutting down sockets [ 54.468961][ T5038] nbd_start_device+0x3bc/0xb34 [ 54.471263][ T5038] nbd_ioctl+0x420/0xc2c [ 54.472272][ T5038] blkdev_ioctl+0x3d8/0xbd0 [ 54.473372][ T5038] block_ioctl+0xa8/0x114 [ 54.474430][ T5038] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.475631][ T5038] invoke_syscall+0x98/0x2b8 [ 54.476653][ T5038] el0_svc_common+0x138/0x258 [ 54.477717][ T5038] do_el0_svc+0x58/0x14c [ 54.478733][ T5038] el0_svc+0x7c/0x1f0 [ 54.479615][ T5038] el0t_64_sync_handler+0x84/0xe4 [ 54.480817][ T5038] el0t_64_sync+0x1a0/0x1a4 [ 54.484048][ T5038] debugfs: out of free dentries, can not create directory 'nbd0' [ 54.486998][ T5038] block nbd0: Failed to create debugfs dir for 'nbd0' [ 54.493957][ T5042] block nbd3: shutting down sockets [ 54.508594][ T5041] FAULT_INJECTION: forcing a failure. executing program [ 54.508594][ T5041] name failslab, interval 1, probability 0, space 0, times 0 [ 54.511516][ T5041] CPU: 0 PID: 5041 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 executing program [ 54.513791][ T5041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.516177][ T5041] Call trace: [ 54.516932][ T5041] dump_backtrace+0x0/0x530 [ 54.518012][ T5041] show_stack+0x2c/0x3c [ 54.518950][ T5041] dump_stack_lvl+0x108/0x170 [ 54.520055][ T5041] dump_stack+0x1c/0x58 [ 54.521094][ T5041] should_fail+0x3b8/0x514 [ 54.522010][ T5041] __should_failslab+0xbc/0x110 [ 54.523236][ T5041] should_failslab+0x10/0x28 [ 54.524294][ T5041] slab_pre_alloc_hook+0x64/0xe8 [ 54.525491][ T5041] __kmalloc_node+0xbc/0x5b8 [ 54.526532][ T5041] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.527770][ T5041] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.529100][ T5041] nbd_start_device+0x158/0xb34 [ 54.530281][ T5041] nbd_ioctl+0x420/0xc2c [ 54.531264][ T5041] blkdev_ioctl+0x3d8/0xbd0 [ 54.532346][ T5041] block_ioctl+0xa8/0x114 [ 54.533352][ T5041] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.534492][ T5041] invoke_syscall+0x98/0x2b8 [ 54.535569][ T5041] el0_svc_common+0x138/0x258 [ 54.536664][ T5041] do_el0_svc+0x58/0x14c [ 54.537630][ T5041] el0_svc+0x7c/0x1f0 [ 54.538571][ T5041] el0t_64_sync_handler+0x84/0xe4 [ 54.539710][ T5041] el0t_64_sync+0x1a0/0x1a4 [ 54.543997][ T5041] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 54.570088][ T5042] FAULT_INJECTION: forcing a failure. [ 54.570088][ T5042] name failslab, interval 1, probability 0, space 0, times 0 [ 54.572931][ T5042] CPU: 1 PID: 5042 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.575056][ T5042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.577376][ T5042] Call trace: [ 54.578155][ T5042] dump_backtrace+0x0/0x530 [ 54.579233][ T5042] show_stack+0x2c/0x3c [ 54.580245][ T5042] dump_stack_lvl+0x108/0x170 [ 54.581220][ T5042] dump_stack+0x1c/0x58 [ 54.582167][ T5042] should_fail+0x3b8/0x514 [ 54.583271][ T5042] __should_failslab+0xbc/0x110 [ 54.584452][ T5042] should_failslab+0x10/0x28 [ 54.585462][ T5042] slab_pre_alloc_hook+0x64/0xe8 [ 54.586610][ T5042] __kmalloc_node+0xbc/0x5b8 [ 54.587766][ T5042] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 54.589039][ T5042] nbd_start_device+0x158/0xb34 [ 54.590160][ T5042] nbd_ioctl+0x420/0xc2c [ 54.591107][ T5042] blkdev_ioctl+0x3d8/0xbd0 [ 54.592159][ T5042] block_ioctl+0xa8/0x114 [ 54.593240][ T5042] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.594491][ T5042] invoke_syscall+0x98/0x2b8 [ 54.595589][ T5042] el0_svc_common+0x138/0x258 [ 54.596714][ T5042] do_el0_svc+0x58/0x14c [ 54.597619][ T5042] el0_svc+0x7c/0x1f0 [ 54.598617][ T5042] el0t_64_sync_handler+0x84/0xe4 [ 54.599762][ T5042] el0t_64_sync+0x1a0/0x1a4 executing program [ 54.646321][ T5055] block nbd2: shutting down sockets [ 54.646549][ T5054] block nbd4: shutting down sockets [ 54.649005][ T5058] block nbd0: shutting down sockets [ 54.655097][ T5056] block nbd1: shutting down sockets [ 54.667137][ T5049] FAULT_INJECTION: forcing a failure. [ 54.667137][ T5049] name failslab, interval 1, probability 0, space 0, times 0 [ 54.670021][ T5049] CPU: 0 PID: 5049 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.672202][ T5049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.674497][ T5049] Call trace: [ 54.675200][ T5049] dump_backtrace+0x0/0x530 [ 54.675817][ T5059] block nbd3: shutting down sockets [ 54.676254][ T5049] show_stack+0x2c/0x3c [ 54.678279][ T5049] dump_stack_lvl+0x108/0x170 [ 54.679276][ T5049] dump_stack+0x1c/0x58 [ 54.680279][ T5049] should_fail+0x3b8/0x514 [ 54.681309][ T5049] __should_failslab+0xbc/0x110 [ 54.682359][ T5049] should_failslab+0x10/0x28 [ 54.683390][ T5049] slab_pre_alloc_hook+0x64/0xe8 [ 54.684498][ T5049] kmem_cache_alloc+0x98/0x45c [ 54.685593][ T5049] new_inode_pseudo+0x110/0x200 [ 54.686752][ T5049] new_inode+0x38/0x174 [ 54.687721][ T5049] debugfs_create_dir+0xf0/0x420 [ 54.688876][ T5049] nbd_start_device+0x3bc/0xb34 [ 54.690037][ T5049] nbd_ioctl+0x420/0xc2c [ 54.690995][ T5049] blkdev_ioctl+0x3d8/0xbd0 [ 54.691972][ T5049] block_ioctl+0xa8/0x114 [ 54.693005][ T5049] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.694128][ T5049] invoke_syscall+0x98/0x2b8 [ 54.695202][ T5049] el0_svc_common+0x138/0x258 [ 54.696336][ T5049] do_el0_svc+0x58/0x14c [ 54.697326][ T5049] el0_svc+0x7c/0x1f0 [ 54.698342][ T5049] el0t_64_sync_handler+0x84/0xe4 [ 54.699487][ T5049] el0t_64_sync+0x1a0/0x1a4 [ 54.700677][ T5049] debugfs: out of free dentries, can not create directory 'nbd0' [ 54.702459][ T5049] block nbd0: Failed to create debugfs dir for 'nbd0' executing program [ 54.718745][ T5053] FAULT_INJECTION: forcing a failure. [ 54.718745][ T5053] name failslab, interval 1, probability 0, space 0, times 0 [ 54.721611][ T5053] CPU: 1 PID: 5053 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.723901][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.726230][ T5053] Call trace: [ 54.726961][ T5053] dump_backtrace+0x0/0x530 [ 54.728018][ T5053] show_stack+0x2c/0x3c [ 54.729022][ T5053] dump_stack_lvl+0x108/0x170 [ 54.730109][ T5053] dump_stack+0x1c/0x58 [ 54.731107][ T5053] should_fail+0x3b8/0x514 [ 54.732111][ T5053] __should_failslab+0xbc/0x110 [ 54.733223][ T5053] should_failslab+0x10/0x28 [ 54.734274][ T5053] slab_pre_alloc_hook+0x64/0xe8 [ 54.735450][ T5053] __kmalloc_node+0xbc/0x5b8 [ 54.736441][ T5053] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.737640][ T5053] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.738944][ T5053] nbd_start_device+0x158/0xb34 [ 54.740073][ T5053] nbd_ioctl+0x420/0xc2c [ 54.741054][ T5053] blkdev_ioctl+0x3d8/0xbd0 [ 54.742021][ T5053] block_ioctl+0xa8/0x114 [ 54.743051][ T5053] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.744232][ T5053] invoke_syscall+0x98/0x2b8 [ 54.745288][ T5053] el0_svc_common+0x138/0x258 [ 54.746359][ T5053] do_el0_svc+0x58/0x14c [ 54.747323][ T5053] el0_svc+0x7c/0x1f0 [ 54.748297][ T5053] el0t_64_sync_handler+0x84/0xe4 [ 54.748802][ T5051] FAULT_INJECTION: forcing a failure. [ 54.748802][ T5051] name failslab, interval 1, probability 0, space 0, times 0 [ 54.749426][ T5053] el0t_64_sync+0x1a0/0x1a4 [ 54.753050][ T5051] CPU: 0 PID: 5051 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.755240][ T5051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.757618][ T5051] Call trace: [ 54.758361][ T5051] dump_backtrace+0x0/0x530 [ 54.759412][ T5051] show_stack+0x2c/0x3c [ 54.760215][ T5059] FAULT_INJECTION: forcing a failure. [ 54.760215][ T5059] name failslab, interval 1, probability 0, space 0, times 0 [ 54.760399][ T5051] dump_stack_lvl+0x108/0x170 [ 54.763771][ T5053] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.764227][ T5051] dump_stack+0x1c/0x58 [ 54.764243][ T5051] should_fail+0x3b8/0x514 [ 54.767591][ T5051] __should_failslab+0xbc/0x110 [ 54.768654][ T5051] should_failslab+0x10/0x28 [ 54.769782][ T5051] slab_pre_alloc_hook+0x64/0xe8 [ 54.770863][ T5051] __kmalloc_node+0xbc/0x5b8 [ 54.771842][ T5051] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.773149][ T5051] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.774422][ T5051] nbd_start_device+0x158/0xb34 [ 54.775504][ T5051] nbd_ioctl+0x420/0xc2c [ 54.776557][ T5051] blkdev_ioctl+0x3d8/0xbd0 [ 54.777596][ T5051] block_ioctl+0xa8/0x114 [ 54.778534][ T5051] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.779611][ T5051] invoke_syscall+0x98/0x2b8 [ 54.780609][ T5051] el0_svc_common+0x138/0x258 [ 54.781683][ T5051] do_el0_svc+0x58/0x14c [ 54.782641][ T5051] el0_svc+0x7c/0x1f0 [ 54.783494][ T5051] el0t_64_sync_handler+0x84/0xe4 [ 54.784700][ T5051] el0t_64_sync+0x1a0/0x1a4 [ 54.786609][ T5059] CPU: 1 PID: 5059 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.788948][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.791232][ T5059] Call trace: [ 54.791927][ T5059] dump_backtrace+0x0/0x530 [ 54.792911][ T5059] show_stack+0x2c/0x3c [ 54.793457][ T5048] FAULT_INJECTION: forcing a failure. [ 54.793457][ T5048] name failslab, interval 1, probability 0, space 0, times 0 [ 54.793827][ T5059] dump_stack_lvl+0x108/0x170 [ 54.797738][ T5059] dump_stack+0x1c/0x58 [ 54.798694][ T5059] should_fail+0x3b8/0x514 [ 54.799743][ T5059] __should_failslab+0xbc/0x110 [ 54.800866][ T5059] should_failslab+0x10/0x28 [ 54.801918][ T5059] slab_pre_alloc_hook+0x64/0xe8 [ 54.803061][ T5059] __kmalloc_node+0xbc/0x5b8 [ 54.804111][ T5059] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 54.805460][ T5059] nbd_start_device+0x158/0xb34 [ 54.806616][ T5059] nbd_ioctl+0x420/0xc2c [ 54.807646][ T5059] blkdev_ioctl+0x3d8/0xbd0 [ 54.808702][ T5059] block_ioctl+0xa8/0x114 [ 54.809728][ T5059] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.810870][ T5059] invoke_syscall+0x98/0x2b8 [ 54.811947][ T5059] el0_svc_common+0x138/0x258 [ 54.812960][ T5059] do_el0_svc+0x58/0x14c [ 54.813911][ T5059] el0_svc+0x7c/0x1f0 [ 54.814832][ T5059] el0t_64_sync_handler+0x84/0xe4 [ 54.815946][ T5059] el0t_64_sync+0x1a0/0x1a4 [ 54.816942][ T5048] CPU: 0 PID: 5048 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.819532][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.822012][ T5048] Call trace: [ 54.822826][ T5048] dump_backtrace+0x0/0x530 [ 54.823854][ T5048] show_stack+0x2c/0x3c [ 54.824799][ T5048] dump_stack_lvl+0x108/0x170 [ 54.825835][ T5048] dump_stack+0x1c/0x58 [ 54.826744][ T5048] should_fail+0x3b8/0x514 [ 54.827739][ T5048] __should_failslab+0xbc/0x110 [ 54.828800][ T5048] should_failslab+0x10/0x28 [ 54.829825][ T5048] slab_pre_alloc_hook+0x64/0xe8 [ 54.830933][ T5048] __kmalloc_node+0xbc/0x5b8 [ 54.832003][ T5048] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 54.833361][ T5048] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 54.834705][ T5048] nbd_start_device+0x158/0xb34 [ 54.835790][ T5048] nbd_ioctl+0x420/0xc2c [ 54.836735][ T5048] blkdev_ioctl+0x3d8/0xbd0 [ 54.837285][ T5051] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.837757][ T5048] block_ioctl+0xa8/0x114 [ 54.840246][ T5048] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.841419][ T5048] invoke_syscall+0x98/0x2b8 [ 54.842463][ T5048] el0_svc_common+0x138/0x258 [ 54.843521][ T5048] do_el0_svc+0x58/0x14c [ 54.844453][ T5048] el0_svc+0x7c/0x1f0 [ 54.845501][ T5048] el0t_64_sync_handler+0x84/0xe4 [ 54.846671][ T5048] el0t_64_sync+0x1a0/0x1a4 [ 54.849902][ T5048] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 54.861934][ T5064] block nbd0: Device being setup by another task [ 54.863901][ T5061] block nbd0: shutting down sockets executing program executing program executing program executing program [ 54.921690][ T5061] FAULT_INJECTION: forcing a failure. [ 54.921690][ T5061] name failslab, interval 1, probability 0, space 0, times 0 [ 54.924545][ T5061] CPU: 1 PID: 5061 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 54.926844][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 54.929154][ T5061] Call trace: [ 54.929891][ T5061] dump_backtrace+0x0/0x530 [ 54.930972][ T5061] show_stack+0x2c/0x3c [ 54.931963][ T5061] dump_stack_lvl+0x108/0x170 [ 54.932987][ T5061] dump_stack+0x1c/0x58 [ 54.933945][ T5061] should_fail+0x3b8/0x514 [ 54.935016][ T5061] __should_failslab+0xbc/0x110 [ 54.936198][ T5061] should_failslab+0x10/0x28 [ 54.937220][ T5061] slab_pre_alloc_hook+0x64/0xe8 [ 54.938339][ T5061] __kmalloc_track_caller+0x78/0x3d8 [ 54.939514][ T5061] kstrdup+0xe4/0x15c [ 54.940458][ T5061] kstrdup_const+0x54/0x6c [ 54.941464][ T5061] __kernfs_new_node+0xa8/0x684 [ 54.942608][ T5061] kernfs_new_node+0x98/0x194 [ 54.943692][ T5061] kernfs_create_dir_ns+0x58/0x12c [ 54.944906][ T5061] sysfs_create_dir_ns+0x150/0x318 [ 54.945988][ T5061] kobject_add_internal+0x384/0x8f0 [ 54.947244][ T5061] kobject_add+0x14c/0x21c [ 54.948269][ T5061] blk_mq_register_hctx+0xc8/0x368 [ 54.949483][ T5061] blk_mq_sysfs_register+0xc8/0x194 [ 54.950728][ T5061] blk_mq_update_nr_hw_queues+0x7dc/0xc58 [ 54.952053][ T5061] nbd_start_device+0x158/0xb34 [ 54.953157][ T5061] nbd_ioctl+0x420/0xc2c [ 54.954144][ T5061] blkdev_ioctl+0x3d8/0xbd0 [ 54.955245][ T5061] block_ioctl+0xa8/0x114 [ 54.956218][ T5061] __arm64_sys_ioctl+0x14c/0x1c8 [ 54.957348][ T5061] invoke_syscall+0x98/0x2b8 [ 54.958436][ T5061] el0_svc_common+0x138/0x258 [ 54.959473][ T5061] do_el0_svc+0x58/0x14c [ 54.960471][ T5061] el0_svc+0x7c/0x1f0 [ 54.961502][ T5061] el0t_64_sync_handler+0x84/0xe4 [ 54.962583][ T5061] el0t_64_sync+0x1a0/0x1a4 [ 54.963690][ T5061] kobject_add_internal failed for 0 (error: -12 parent: mq) executing program [ 55.005665][ T5077] block nbd3: shutting down sockets [ 55.012046][ T5073] block nbd4: shutting down sockets [ 55.016639][ T5076] block nbd2: shutting down sockets [ 55.016927][ T5078] block nbd1: shutting down sockets [ 55.045531][ T5075] block nbd0: shutting down sockets [ 55.068752][ T5068] FAULT_INJECTION: forcing a failure. [ 55.068752][ T5068] name failslab, interval 1, probability 0, space 0, times 0 [ 55.069187][ T5072] FAULT_INJECTION: forcing a failure. [ 55.069187][ T5072] name failslab, interval 1, probability 0, space 0, times 0 [ 55.071641][ T5068] CPU: 0 PID: 5068 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.071658][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.071666][ T5068] Call trace: [ 55.079529][ T5068] dump_backtrace+0x0/0x530 [ 55.080693][ T5068] show_stack+0x2c/0x3c [ 55.081720][ T5068] dump_stack_lvl+0x108/0x170 [ 55.082862][ T5068] dump_stack+0x1c/0x58 [ 55.083810][ T5068] should_fail+0x3b8/0x514 [ 55.084905][ T5068] __should_failslab+0xbc/0x110 [ 55.086094][ T5068] should_failslab+0x10/0x28 [ 55.087153][ T5068] slab_pre_alloc_hook+0x64/0xe8 [ 55.088366][ T5068] __kmalloc_node+0xbc/0x5b8 [ 55.089356][ T5068] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.090605][ T5068] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.091881][ T5068] nbd_start_device+0x158/0xb34 [ 55.093008][ T5068] nbd_ioctl+0x420/0xc2c [ 55.094021][ T5068] blkdev_ioctl+0x3d8/0xbd0 [ 55.095119][ T5068] block_ioctl+0xa8/0x114 [ 55.096202][ T5068] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.097334][ T5068] invoke_syscall+0x98/0x2b8 [ 55.098540][ T5068] el0_svc_common+0x138/0x258 [ 55.099527][ T5068] do_el0_svc+0x58/0x14c [ 55.100519][ T5068] el0_svc+0x7c/0x1f0 [ 55.101461][ T5068] el0t_64_sync_handler+0x84/0xe4 [ 55.102705][ T5068] el0t_64_sync+0x1a0/0x1a4 [ 55.103754][ T5072] CPU: 1 PID: 5072 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.105998][ T5072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.108300][ T5072] Call trace: [ 55.109056][ T5072] dump_backtrace+0x0/0x530 [ 55.110251][ T5072] show_stack+0x2c/0x3c [ 55.110769][ T5066] FAULT_INJECTION: forcing a failure. [ 55.110769][ T5066] name failslab, interval 1, probability 0, space 0, times 0 [ 55.111200][ T5072] dump_stack_lvl+0x108/0x170 [ 55.115090][ T5072] dump_stack+0x1c/0x58 [ 55.115979][ T5072] should_fail+0x3b8/0x514 [ 55.116956][ T5072] __should_failslab+0xbc/0x110 [ 55.118181][ T5072] should_failslab+0x10/0x28 [ 55.119169][ T5072] slab_pre_alloc_hook+0x64/0xe8 [ 55.120255][ T5072] __kmalloc_node+0xbc/0x5b8 [ 55.121263][ T5072] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.122436][ T5072] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.123869][ T5072] nbd_start_device+0x158/0xb34 [ 55.124126][ T5071] FAULT_INJECTION: forcing a failure. [ 55.124126][ T5071] name failslab, interval 1, probability 0, space 0, times 0 [ 55.124973][ T5072] nbd_ioctl+0x420/0xc2c [ 55.124989][ T5072] blkdev_ioctl+0x3d8/0xbd0 [ 55.125000][ T5072] block_ioctl+0xa8/0x114 [ 55.125011][ T5072] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.125022][ T5072] invoke_syscall+0x98/0x2b8 [ 55.125048][ T5072] el0_svc_common+0x138/0x258 [ 55.125058][ T5072] do_el0_svc+0x58/0x14c [ 55.125069][ T5072] el0_svc+0x7c/0x1f0 [ 55.129680][ T5075] ------------[ cut here ]------------ [ 55.129835][ T5072] el0t_64_sync_handler+0x84/0xe4 [ 55.133294][ T5075] kernfs: can not remove 'nr_tags', no directory [ 55.134092][ T5072] el0t_64_sync+0x1a0/0x1a4 [ 55.140695][ T5066] CPU: 0 PID: 5066 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.141715][ T5075] WARNING: CPU: 1 PID: 5075 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 55.143003][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.145221][ T5075] Modules linked in: [ 55.145234][ T5075] CPU: 1 PID: 5075 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.147088][ T5066] Call trace: [ 55.147097][ T5066] dump_backtrace+0x0/0x530 [ 55.147811][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.149767][ T5066] show_stack+0x2c/0x3c [ 55.150544][ T5075] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 55.151627][ T5066] dump_stack_lvl+0x108/0x170 [ 55.154065][ T5075] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 55.154998][ T5066] dump_stack+0x1c/0x58 [ 55.156784][ T5075] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 55.157882][ T5066] should_fail+0x3b8/0x514 [ 55.159264][ T5075] sp : ffff80001e6e7760 [ 55.160233][ T5066] __should_failslab+0xbc/0x110 [ 55.161615][ T5075] x29: ffff80001e6e7760 [ 55.162702][ T5066] should_failslab+0x10/0x28 [ 55.163714][ T5075] x28: ffff0000cc1cc000 [ 55.164858][ T5066] slab_pre_alloc_hook+0x64/0xe8 [ 55.165832][ T5075] x27: ffff0000cc232200 [ 55.166896][ T5066] __kmalloc_node+0xbc/0x5b8 [ 55.167848][ T5075] [ 55.168977][ T5066] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.169993][ T5075] x26: 0000000000000000 [ 55.171112][ T5066] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.171643][ T5075] x25: ffff8000150a7748 [ 55.172828][ T5066] nbd_start_device+0x158/0xb34 [ 55.173723][ T5075] x24: 1ffff000023ed628 [ 55.175058][ T5066] nbd_ioctl+0x420/0xc2c [ 55.176111][ T5075] [ 55.177192][ T5066] blkdev_ioctl+0x3d8/0xbd0 [ 55.178162][ T5075] x23: dfff800000000000 [ 55.179186][ T5066] block_ioctl+0xa8/0x114 [ 55.179722][ T5075] x22: ffff8000150a7780 [ 55.180793][ T5066] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.181736][ T5075] x21: 0000000000000000 [ 55.182754][ T5066] invoke_syscall+0x98/0x2b8 [ 55.183693][ T5075] [ 55.184871][ T5066] el0_svc_common+0x138/0x258 [ 55.185898][ T5075] x20: 0000000000000000 [ 55.186953][ T5066] do_el0_svc+0x58/0x14c [ 55.187476][ T5075] x19: 00000000fffffffe [ 55.188571][ T5066] el0_svc+0x7c/0x1f0 [ 55.189485][ T5075] x18: 1fffe0003690278e [ 55.190523][ T5066] el0t_64_sync_handler+0x84/0xe4 [ 55.191508][ T5075] [ 55.191516][ T5075] x17: 1fffe0003690278e [ 55.192382][ T5066] el0t_64_sync+0x1a0/0x1a4 [ 55.193355][ T5075] x16: ffff8000082e9b28 x15: ffff8000149bed40 [ 55.198761][ T5075] x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000003 [ 55.200073][ T5071] CPU: 0 PID: 5071 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.200675][ T5075] x11: 0000000000000000 x10: 0000000000000000 x9 : d48f3fbe3561a400 [ 55.203023][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.203050][ T5071] Call trace: [ 55.204875][ T5075] [ 55.204882][ T5075] x8 : d48f3fbe3561a400 [ 55.207114][ T5071] dump_backtrace+0x0/0x530 [ 55.207827][ T5075] x7 : 0000000000000000 [ 55.208372][ T5071] show_stack+0x2c/0x3c [ 55.209259][ T5075] x6 : 0000000000000000 [ 55.210204][ T5071] dump_stack_lvl+0x108/0x170 [ 55.211166][ T5075] [ 55.212178][ T5071] dump_stack+0x1c/0x58 [ 55.213231][ T5075] x5 : 0000000000000080 [ 55.214351][ T5071] should_fail+0x3b8/0x514 [ 55.214878][ T5075] x4 : 0000000000000000 [ 55.215768][ T5071] __should_failslab+0xbc/0x110 [ 55.216653][ T5075] x3 : ffff800008045860 [ 55.217599][ T5071] should_failslab+0x10/0x28 [ 55.218536][ T5075] [ 55.219672][ T5071] slab_pre_alloc_hook+0x64/0xe8 [ 55.220648][ T5075] x2 : 0000000000000006 [ 55.221734][ T5071] __kmalloc_node+0xbc/0x5b8 [ 55.222272][ T5075] x1 : 0000000100000000 [ 55.223537][ T5071] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.224472][ T5075] x0 : 000000000000002e [ 55.225573][ T5071] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.226584][ T5075] [ 55.227700][ T5071] nbd_start_device+0x158/0xb34 [ 55.228563][ T5075] Call trace: [ 55.229947][ T5071] nbd_ioctl+0x420/0xc2c [ 55.230471][ T5075] kernfs_remove_by_name_ns+0xd0/0x158 [ 55.231619][ T5071] blkdev_ioctl+0x3d8/0xbd0 [ 55.232381][ T5075] sysfs_remove_group+0xf8/0x288 [ 55.233387][ T5071] block_ioctl+0xa8/0x114 [ 55.234642][ T5075] sysfs_remove_groups+0x5c/0xb4 [ 55.235674][ T5071] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.236779][ T5075] __kobject_del+0x90/0x2d4 [ 55.237780][ T5071] invoke_syscall+0x98/0x2b8 [ 55.238885][ T5075] kobject_del+0x48/0x68 [ 55.239941][ T5071] el0_svc_common+0x138/0x258 [ 55.240976][ T5075] blk_mq_sysfs_unregister+0x1a0/0x274 [ 55.241983][ T5071] do_el0_svc+0x58/0x14c [ 55.242897][ T5075] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 55.244015][ T5071] el0_svc+0x7c/0x1f0 [ 55.245434][ T5075] nbd_start_device+0x158/0xb34 [ 55.246330][ T5071] el0t_64_sync_handler+0x84/0xe4 [ 55.247702][ T5075] nbd_ioctl+0x420/0xc2c [ 55.248628][ T5071] el0t_64_sync+0x1a0/0x1a4 [ 55.249715][ T5075] blkdev_ioctl+0x3d8/0xbd0 [ 55.253823][ T5075] block_ioctl+0xa8/0x114 [ 55.254842][ T5075] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.256042][ T5075] invoke_syscall+0x98/0x2b8 [ 55.257091][ T5075] el0_svc_common+0x138/0x258 [ 55.257653][ T5071] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.258252][ T5075] do_el0_svc+0x58/0x14c [ 55.260891][ T5075] el0_svc+0x7c/0x1f0 [ 55.261380][ T5066] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.261840][ T5075] el0t_64_sync_handler+0x84/0xe4 [ 55.264642][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 55.265707][ T5075] irq event stamp: 2208 [ 55.266633][ T5075] hardirqs last enabled at (2207): [] finish_lock_switch+0xbc/0x1e8 [ 55.268899][ T5075] hardirqs last disabled at (2208): [] el1_dbg+0x24/0x80 [ 55.270963][ T5075] softirqs last enabled at (2204): [] __do_softirq+0xb5c/0xdb0 [ 55.273218][ T5075] softirqs last disabled at (2195): [] __irq_exit_rcu+0x264/0x4d4 [ 55.275414][ T5075] ---[ end trace c997b5f576d326ff ]--- [ 55.278870][ T5072] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.283736][ T5068] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.290184][ T5075] ------------[ cut here ]------------ [ 55.291722][ T5075] kernfs: can not remove 'nr_reserved_tags', no directory [ 55.293579][ T5075] WARNING: CPU: 1 PID: 5075 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 55.295889][ T5075] Modules linked in: [ 55.296785][ T5075] CPU: 1 PID: 5075 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.299118][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.301337][ T5075] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 55.303076][ T5075] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 55.304480][ T5075] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 55.305756][ T5075] sp : ffff80001e6e7760 [ 55.306693][ T5075] x29: ffff80001e6e7760 x28: ffff0000cc1cc000 x27: ffff0000cc232200 [ 55.308488][ T5075] x26: 0000000000000000 x25: ffff8000150a7750 x24: 1ffff000023ed628 [ 55.310331][ T5075] x23: dfff800000000000 x22: ffff8000150a77e0 x21: 0000000000000000 [ 55.312230][ T5075] x20: 0000000000000000 x19: 00000000fffffffe x18: 1fffe0003690278e [ 55.314117][ T5075] x17: 1fffe0003690278e x16: ffff8000082e9b28 x15: ffff8000149bed40 [ 55.315910][ T5075] x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000003 [ 55.317852][ T5075] x11: 0000000000000000 x10: 0000000000000000 x9 : d48f3fbe3561a400 [ 55.319637][ T5075] x8 : d48f3fbe3561a400 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.321486][ T5075] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008045860 [ 55.323320][ T5075] x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000037 [ 55.325278][ T5075] Call trace: [ 55.326202][ T5075] kernfs_remove_by_name_ns+0xd0/0x158 [ 55.327523][ T5075] sysfs_remove_group+0xf8/0x288 [ 55.328665][ T5075] sysfs_remove_groups+0x5c/0xb4 [ 55.329759][ T5075] __kobject_del+0x90/0x2d4 [ 55.330805][ T5075] kobject_del+0x48/0x68 [ 55.331845][ T5075] blk_mq_sysfs_unregister+0x1a0/0x274 [ 55.333222][ T5075] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 55.334630][ T5075] nbd_start_device+0x158/0xb34 [ 55.335731][ T5075] nbd_ioctl+0x420/0xc2c [ 55.336648][ T5075] blkdev_ioctl+0x3d8/0xbd0 [ 55.337660][ T5075] block_ioctl+0xa8/0x114 [ 55.338721][ T5075] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.339923][ T5075] invoke_syscall+0x98/0x2b8 [ 55.340972][ T5075] el0_svc_common+0x138/0x258 [ 55.341998][ T5075] do_el0_svc+0x58/0x14c [ 55.342952][ T5075] el0_svc+0x7c/0x1f0 executing program executing program [ 55.343942][ T5075] el0t_64_sync_handler+0x84/0xe4 [ 55.345150][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 55.346273][ T5075] irq event stamp: 2266 [ 55.347246][ T5075] hardirqs last enabled at (2265): [] finish_lock_switch+0xbc/0x1e8 [ 55.349414][ T5075] hardirqs last disabled at (2266): [] el1_dbg+0x24/0x80 [ 55.351355][ T5075] softirqs last enabled at (2236): [] __do_softirq+0xb5c/0xdb0 [ 55.353539][ T5075] softirqs last disabled at (2211): [] __irq_exit_rcu+0x264/0x4d4 [ 55.355845][ T5075] ---[ end trace c997b5f576d32700 ]--- [ 55.358613][ T5075] ------------[ cut here ]------------ [ 55.360098][ T5075] kernfs: can not remove 'cpu_list', no directory [ 55.361783][ T5075] WARNING: CPU: 1 PID: 5075 at fs/kernfs/dir.c:1545 kernfs_remove_by_name_ns+0xd0/0x158 [ 55.364018][ T5075] Modules linked in: [ 55.364962][ T5075] CPU: 1 PID: 5075 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.367281][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.369570][ T5075] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 55.371372][ T5075] pc : kernfs_remove_by_name_ns+0xd0/0x158 [ 55.372778][ T5075] lr : kernfs_remove_by_name_ns+0xcc/0x158 [ 55.374141][ T5075] sp : ffff80001e6e7760 executing program [ 55.375137][ T5075] x29: ffff80001e6e7760 x28: ffff0000cc1cc000 x27: ffff0000cc232200 [ 55.376919][ T5075] x26: 0000000000000000 x25: ffff8000150a7758 x24: 1ffff000023ed628 [ 55.378676][ T5075] x23: dfff800000000000 x22: ffff8000150a7840 x21: 0000000000000000 [ 55.380473][ T5075] x20: 0000000000000000 x19: 00000000fffffffe x18: 1fffe0003690278e [ 55.382242][ T5075] x17: 1fffe0003690278e x16: ffff80001198323c x15: ffff8000149bed40 [ 55.384055][ T5075] x14: 1ffff0000292406a x13: dfff800000000000 x12: 0000000000000001 [ 55.385939][ T5075] x11: 0000000000000000 x10: 0000000000000000 x9 : d48f3fbe3561a400 [ 55.387765][ T5075] x8 : d48f3fbe3561a400 x7 : 0000000000000000 x6 : 0000000000000000 [ 55.389692][ T5075] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a95c8e0 [ 55.391585][ T5075] x2 : ffff0001b4813d10 x1 : 0000000100000000 x0 : 000000000000002f [ 55.393458][ T5075] Call trace: [ 55.394195][ T5075] kernfs_remove_by_name_ns+0xd0/0x158 [ 55.395462][ T5075] sysfs_remove_group+0xf8/0x288 [ 55.396622][ T5075] sysfs_remove_groups+0x5c/0xb4 [ 55.397820][ T5075] __kobject_del+0x90/0x2d4 [ 55.398821][ T5075] kobject_del+0x48/0x68 [ 55.399762][ T5075] blk_mq_sysfs_unregister+0x1a0/0x274 [ 55.401124][ T5075] blk_mq_update_nr_hw_queues+0x504/0xc58 [ 55.402373][ T5075] nbd_start_device+0x158/0xb34 [ 55.403604][ T5075] nbd_ioctl+0x420/0xc2c [ 55.404489][ T5075] blkdev_ioctl+0x3d8/0xbd0 [ 55.405390][ T5075] block_ioctl+0xa8/0x114 [ 55.406397][ T5075] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.407470][ T5075] invoke_syscall+0x98/0x2b8 [ 55.408570][ T5075] el0_svc_common+0x138/0x258 [ 55.409602][ T5075] do_el0_svc+0x58/0x14c [ 55.410457][ T5075] el0_svc+0x7c/0x1f0 [ 55.411343][ T5075] el0t_64_sync_handler+0x84/0xe4 [ 55.412445][ T5075] el0t_64_sync+0x1a0/0x1a4 [ 55.413457][ T5075] irq event stamp: 2314 [ 55.414372][ T5075] hardirqs last enabled at (2313): [] finish_lock_switch+0xbc/0x1e8 [ 55.416597][ T5075] hardirqs last disabled at (2314): [] el1_dbg+0x24/0x80 [ 55.418676][ T5075] softirqs last enabled at (2284): [] __do_softirq+0xb5c/0xdb0 [ 55.420809][ T5075] softirqs last disabled at (2269): [] __irq_exit_rcu+0x264/0x4d4 [ 55.423053][ T5075] ---[ end trace c997b5f576d32701 ]--- [ 55.425383][ T5075] FAULT_INJECTION: forcing a failure. [ 55.425383][ T5075] name failslab, interval 1, probability 0, space 0, times 0 [ 55.428462][ T5075] CPU: 1 PID: 5075 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.430713][ T5075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.433096][ T5075] Call trace: [ 55.433932][ T5075] dump_backtrace+0x0/0x530 [ 55.435003][ T5075] show_stack+0x2c/0x3c [ 55.435921][ T5075] dump_stack_lvl+0x108/0x170 [ 55.436957][ T5075] dump_stack+0x1c/0x58 [ 55.437895][ T5075] should_fail+0x3b8/0x514 [ 55.438886][ T5075] __should_failslab+0xbc/0x110 [ 55.440067][ T5075] should_failslab+0x10/0x28 [ 55.441167][ T5075] slab_pre_alloc_hook+0x64/0xe8 [ 55.442308][ T5075] __kmalloc_node+0xbc/0x5b8 [ 55.443426][ T5075] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 55.444704][ T5075] nbd_start_device+0x158/0xb34 [ 55.445834][ T5075] nbd_ioctl+0x420/0xc2c [ 55.446854][ T5075] blkdev_ioctl+0x3d8/0xbd0 [ 55.447973][ T5075] block_ioctl+0xa8/0x114 [ 55.448900][ T5075] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.450063][ T5075] invoke_syscall+0x98/0x2b8 [ 55.451129][ T5075] el0_svc_common+0x138/0x258 [ 55.452242][ T5075] do_el0_svc+0x58/0x14c [ 55.453244][ T5075] el0_svc+0x7c/0x1f0 [ 55.454241][ T5075] el0t_64_sync_handler+0x84/0xe4 [ 55.455400][ T5075] el0t_64_sync+0x1a0/0x1a4 executing program executing program [ 55.515710][ T5091] block nbd4: Device being setup by another task [ 55.516120][ T5086] block nbd1: shutting down sockets [ 55.517298][ T5083] block nbd4: shutting down sockets [ 55.527523][ T5092] block nbd3: Device being setup by another task [ 55.529498][ T5084] block nbd3: shutting down sockets [ 55.529812][ T5093] block nbd2: shutting down sockets [ 55.536153][ T5084] FAULT_INJECTION: forcing a failure. [ 55.536153][ T5084] name failslab, interval 1, probability 0, space 0, times 0 [ 55.538956][ T5084] CPU: 1 PID: 5084 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.541136][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.543273][ T5084] Call trace: [ 55.543999][ T5084] dump_backtrace+0x0/0x530 [ 55.545012][ T5084] show_stack+0x2c/0x3c [ 55.546056][ T5084] dump_stack_lvl+0x108/0x170 [ 55.547157][ T5084] dump_stack+0x1c/0x58 [ 55.548062][ T5084] should_fail+0x3b8/0x514 [ 55.549046][ T5084] __should_failslab+0xbc/0x110 [ 55.550108][ T5084] should_failslab+0x10/0x28 [ 55.551258][ T5084] slab_pre_alloc_hook+0x64/0xe8 [ 55.552351][ T5084] kmem_cache_alloc+0x98/0x45c [ 55.553488][ T5084] new_inode_pseudo+0x110/0x200 [ 55.554594][ T5084] new_inode+0x38/0x174 [ 55.555534][ T5084] debugfs_create_dir+0xf0/0x420 [ 55.556684][ T5084] nbd_start_device+0x3bc/0xb34 [ 55.557843][ T5084] nbd_ioctl+0x420/0xc2c [ 55.558811][ T5084] blkdev_ioctl+0x3d8/0xbd0 [ 55.559901][ T5084] block_ioctl+0xa8/0x114 [ 55.560956][ T5084] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.562169][ T5084] invoke_syscall+0x98/0x2b8 [ 55.563274][ T5084] el0_svc_common+0x138/0x258 [ 55.564286][ T5084] do_el0_svc+0x58/0x14c [ 55.565198][ T5084] el0_svc+0x7c/0x1f0 [ 55.566098][ T5084] el0t_64_sync_handler+0x84/0xe4 [ 55.567245][ T5084] el0t_64_sync+0x1a0/0x1a4 [ 55.568392][ T5084] debugfs: out of free dentries, can not create directory 'nbd3' [ 55.571503][ T5084] block nbd3: Failed to create debugfs dir for 'nbd3' [ 55.573199][ T5083] FAULT_INJECTION: forcing a failure. [ 55.573199][ T5083] name failslab, interval 1, probability 0, space 0, times 0 [ 55.578665][ T5083] CPU: 1 PID: 5083 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.580920][ T5083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.582692][ T5083] Call trace: [ 55.583277][ T5083] dump_backtrace+0x0/0x530 [ 55.584107][ T5083] show_stack+0x2c/0x3c [ 55.584843][ T5083] dump_stack_lvl+0x108/0x170 [ 55.585702][ T5083] dump_stack+0x1c/0x58 [ 55.586470][ T5083] should_fail+0x3b8/0x514 [ 55.587335][ T5083] __should_failslab+0xbc/0x110 [ 55.588388][ T5083] should_failslab+0x10/0x28 executing program [ 55.589583][ T5083] slab_pre_alloc_hook+0x64/0xe8 [ 55.590801][ T5083] kmem_cache_alloc+0x98/0x45c [ 55.591943][ T5083] new_inode_pseudo+0x110/0x200 [ 55.592977][ T5083] new_inode+0x38/0x174 [ 55.593952][ T5083] debugfs_create_dir+0xf0/0x420 [ 55.595095][ T5083] nbd_start_device+0x3bc/0xb34 [ 55.596288][ T5083] nbd_ioctl+0x420/0xc2c [ 55.597246][ T5083] blkdev_ioctl+0x3d8/0xbd0 [ 55.598274][ T5083] block_ioctl+0xa8/0x114 [ 55.598790][ T5086] FAULT_INJECTION: forcing a failure. [ 55.598790][ T5086] name failslab, interval 1, probability 0, space 0, times 0 [ 55.599189][ T5083] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.603300][ T5083] invoke_syscall+0x98/0x2b8 [ 55.604355][ T5083] el0_svc_common+0x138/0x258 [ 55.605473][ T5096] block nbd0: shutting down sockets [ 55.605473][ T5083] do_el0_svc+0x58/0x14c [ 55.605488][ T5083] el0_svc+0x7c/0x1f0 [ 55.608707][ T5083] el0t_64_sync_handler+0x84/0xe4 [ 55.609847][ T5083] el0t_64_sync+0x1a0/0x1a4 [ 55.613915][ T5083] debugfs: out of free dentries, can not create directory 'nbd4' [ 55.615904][ T5083] block nbd4: Failed to create debugfs dir for 'nbd4' [ 55.616306][ T5086] CPU: 0 PID: 5086 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.619971][ T5086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.622257][ T5086] Call trace: [ 55.623002][ T5086] dump_backtrace+0x0/0x530 [ 55.624152][ T5086] show_stack+0x2c/0x3c [ 55.625143][ T5086] dump_stack_lvl+0x108/0x170 [ 55.626252][ T5086] dump_stack+0x1c/0x58 [ 55.627207][ T5086] should_fail+0x3b8/0x514 [ 55.628224][ T5086] __should_failslab+0xbc/0x110 [ 55.629401][ T5086] should_failslab+0x10/0x28 [ 55.630416][ T5086] slab_pre_alloc_hook+0x64/0xe8 [ 55.631574][ T5086] __kmalloc_node+0xbc/0x5b8 [ 55.632886][ T5086] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.634259][ T5086] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.635839][ T5086] nbd_start_device+0x158/0xb34 [ 55.637107][ T5086] nbd_ioctl+0x420/0xc2c [ 55.638281][ T5086] blkdev_ioctl+0x3d8/0xbd0 [ 55.639466][ T5086] block_ioctl+0xa8/0x114 [ 55.640543][ T5086] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.641733][ T5086] invoke_syscall+0x98/0x2b8 [ 55.642980][ T5086] el0_svc_common+0x138/0x258 [ 55.644290][ T5086] do_el0_svc+0x58/0x14c [ 55.645480][ T5086] el0_svc+0x7c/0x1f0 [ 55.646510][ T5086] el0t_64_sync_handler+0x84/0xe4 [ 55.647762][ T5086] el0t_64_sync+0x1a0/0x1a4 [ 55.650861][ T5086] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.661603][ T5093] FAULT_INJECTION: forcing a failure. [ 55.661603][ T5093] name failslab, interval 1, probability 0, space 0, times 0 [ 55.664672][ T5093] CPU: 1 PID: 5093 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.667003][ T5093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.669248][ T5093] Call trace: [ 55.670101][ T5093] dump_backtrace+0x0/0x530 [ 55.671182][ T5093] show_stack+0x2c/0x3c [ 55.672127][ T5093] dump_stack_lvl+0x108/0x170 [ 55.673224][ T5093] dump_stack+0x1c/0x58 [ 55.674192][ T5093] should_fail+0x3b8/0x514 [ 55.675235][ T5093] __should_failslab+0xbc/0x110 [ 55.676359][ T5093] should_failslab+0x10/0x28 [ 55.677389][ T5093] slab_pre_alloc_hook+0x64/0xe8 [ 55.678542][ T5093] __kmalloc_node+0xbc/0x5b8 [ 55.679592][ T5093] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.680964][ T5093] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.682259][ T5093] nbd_start_device+0x158/0xb34 [ 55.683320][ T5093] nbd_ioctl+0x420/0xc2c [ 55.684234][ T5093] blkdev_ioctl+0x3d8/0xbd0 [ 55.685314][ T5093] block_ioctl+0xa8/0x114 [ 55.686378][ T5093] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.687563][ T5093] invoke_syscall+0x98/0x2b8 executing program [ 55.688675][ T5093] el0_svc_common+0x138/0x258 [ 55.689776][ T5093] do_el0_svc+0x58/0x14c [ 55.690745][ T5093] el0_svc+0x7c/0x1f0 [ 55.691703][ T5093] el0t_64_sync_handler+0x84/0xe4 [ 55.692885][ T5093] el0t_64_sync+0x1a0/0x1a4 executing program [ 55.697505][ T5093] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 55.718333][ T5098] block nbd3: shutting down sockets [ 55.720321][ T5095] FAULT_INJECTION: forcing a failure. [ 55.720321][ T5095] name failslab, interval 1, probability 0, space 0, times 0 [ 55.723576][ T5095] CPU: 0 PID: 5095 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.726237][ T5095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.728918][ T5095] Call trace: [ 55.729808][ T5095] dump_backtrace+0x0/0x530 [ 55.730983][ T5095] show_stack+0x2c/0x3c [ 55.732073][ T5095] dump_stack_lvl+0x108/0x170 [ 55.733350][ T5095] dump_stack+0x1c/0x58 [ 55.734537][ T5095] should_fail+0x3b8/0x514 [ 55.735681][ T5095] __should_failslab+0xbc/0x110 [ 55.736997][ T5095] should_failslab+0x10/0x28 [ 55.738255][ T5095] slab_pre_alloc_hook+0x64/0xe8 [ 55.739492][ T5095] __kmalloc_node+0xbc/0x5b8 [ 55.740813][ T5095] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.742300][ T5095] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.743849][ T5095] nbd_start_device+0x158/0xb34 [ 55.745166][ T5095] nbd_ioctl+0x420/0xc2c [ 55.746262][ T5095] blkdev_ioctl+0x3d8/0xbd0 [ 55.747450][ T5095] block_ioctl+0xa8/0x114 [ 55.748582][ T5095] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.749946][ T5095] invoke_syscall+0x98/0x2b8 [ 55.751231][ T5095] el0_svc_common+0x138/0x258 [ 55.752430][ T5095] do_el0_svc+0x58/0x14c [ 55.753492][ T5095] el0_svc+0x7c/0x1f0 [ 55.754442][ T5095] el0t_64_sync_handler+0x84/0xe4 [ 55.755636][ T5095] el0t_64_sync+0x1a0/0x1a4 [ 55.757797][ T5095] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 55.785360][ T5108] block nbd1: shutting down sockets [ 55.787006][ T5107] block nbd4: shutting down sockets [ 55.806389][ T5106] block nbd2: shutting down sockets [ 55.809050][ T5098] FAULT_INJECTION: forcing a failure. [ 55.809050][ T5098] name failslab, interval 1, probability 0, space 0, times 0 [ 55.811847][ T5098] CPU: 1 PID: 5098 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.814262][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.816517][ T5098] Call trace: [ 55.817247][ T5098] dump_backtrace+0x0/0x530 [ 55.818281][ T5098] show_stack+0x2c/0x3c [ 55.819288][ T5098] dump_stack_lvl+0x108/0x170 [ 55.820446][ T5098] dump_stack+0x1c/0x58 [ 55.821428][ T5098] should_fail+0x3b8/0x514 [ 55.822539][ T5098] __should_failslab+0xbc/0x110 [ 55.823684][ T5098] should_failslab+0x10/0x28 [ 55.824699][ T5098] slab_pre_alloc_hook+0x64/0xe8 [ 55.825847][ T5098] __kmalloc_node+0xbc/0x5b8 [ 55.826883][ T5098] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.828144][ T5098] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.829437][ T5098] nbd_start_device+0x158/0xb34 [ 55.830594][ T5098] nbd_ioctl+0x420/0xc2c [ 55.831597][ T5098] blkdev_ioctl+0x3d8/0xbd0 [ 55.832662][ T5098] block_ioctl+0xa8/0x114 [ 55.833676][ T5098] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.834764][ T5098] invoke_syscall+0x98/0x2b8 [ 55.835735][ T5098] el0_svc_common+0x138/0x258 [ 55.836791][ T5098] do_el0_svc+0x58/0x14c [ 55.837736][ T5098] el0_svc+0x7c/0x1f0 [ 55.838614][ T5098] el0t_64_sync_handler+0x84/0xe4 [ 55.839747][ T5098] el0t_64_sync+0x1a0/0x1a4 [ 55.841114][ T5098] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.858700][ T5102] FAULT_INJECTION: forcing a failure. [ 55.858700][ T5102] name failslab, interval 1, probability 0, space 0, times 0 [ 55.858766][ T5103] FAULT_INJECTION: forcing a failure. [ 55.858766][ T5103] name failslab, interval 1, probability 0, space 0, times 0 [ 55.861897][ T5102] CPU: 0 PID: 5102 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.867497][ T5102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.870179][ T5102] Call trace: [ 55.871159][ T5102] dump_backtrace+0x0/0x530 [ 55.872282][ T5102] show_stack+0x2c/0x3c [ 55.873385][ T5102] dump_stack_lvl+0x108/0x170 [ 55.874622][ T5102] dump_stack+0x1c/0x58 [ 55.875727][ T5102] should_fail+0x3b8/0x514 [ 55.876911][ T5102] __should_failslab+0xbc/0x110 [ 55.878286][ T5102] should_failslab+0x10/0x28 [ 55.879480][ T5102] slab_pre_alloc_hook+0x64/0xe8 [ 55.880744][ T5102] __kmalloc_node+0xbc/0x5b8 [ 55.881950][ T5102] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 55.883452][ T5102] nbd_start_device+0x158/0xb34 [ 55.884717][ T5102] nbd_ioctl+0x420/0xc2c [ 55.885833][ T5102] blkdev_ioctl+0x3d8/0xbd0 [ 55.887064][ T5102] block_ioctl+0xa8/0x114 [ 55.888139][ T5102] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.889409][ T5102] invoke_syscall+0x98/0x2b8 [ 55.890642][ T5102] el0_svc_common+0x138/0x258 [ 55.891883][ T5102] do_el0_svc+0x58/0x14c [ 55.892983][ T5102] el0_svc+0x7c/0x1f0 [ 55.894004][ T5102] el0t_64_sync_handler+0x84/0xe4 [ 55.895315][ T5102] el0t_64_sync+0x1a0/0x1a4 [ 55.896495][ T5103] CPU: 1 PID: 5103 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.898824][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.901015][ T5103] Call trace: [ 55.901866][ T5103] dump_backtrace+0x0/0x530 [ 55.902889][ T5103] show_stack+0x2c/0x3c [ 55.903908][ T5103] dump_stack_lvl+0x108/0x170 [ 55.905055][ T5103] dump_stack+0x1c/0x58 [ 55.905963][ T5103] should_fail+0x3b8/0x514 [ 55.907044][ T5103] __should_failslab+0xbc/0x110 [ 55.908117][ T5103] should_failslab+0x10/0x28 [ 55.909129][ T5103] slab_pre_alloc_hook+0x64/0xe8 [ 55.910223][ T5103] __kmalloc_node+0xbc/0x5b8 [ 55.911409][ T5103] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 55.912602][ T5106] FAULT_INJECTION: forcing a failure. executing program [ 55.912602][ T5106] name failslab, interval 1, probability 0, space 0, times 0 [ 55.912682][ T5103] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 55.917105][ T5103] nbd_start_device+0x158/0xb34 [ 55.918220][ T5103] nbd_ioctl+0x420/0xc2c [ 55.919356][ T5103] blkdev_ioctl+0x3d8/0xbd0 [ 55.920429][ T5103] block_ioctl+0xa8/0x114 [ 55.921473][ T5103] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.922690][ T5103] invoke_syscall+0x98/0x2b8 [ 55.923717][ T5103] el0_svc_common+0x138/0x258 [ 55.924815][ T5103] do_el0_svc+0x58/0x14c [ 55.925804][ T5103] el0_svc+0x7c/0x1f0 [ 55.926651][ T5103] el0t_64_sync_handler+0x84/0xe4 [ 55.927834][ T5103] el0t_64_sync+0x1a0/0x1a4 [ 55.928886][ T5106] CPU: 0 PID: 5106 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 55.931507][ T5106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 55.934190][ T5106] Call trace: [ 55.935056][ T5106] dump_backtrace+0x0/0x530 [ 55.935075][ T5103] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 55.936196][ T5106] show_stack+0x2c/0x3c [ 55.936213][ T5106] dump_stack_lvl+0x108/0x170 [ 55.936228][ T5106] dump_stack+0x1c/0x58 [ 55.936237][ T5106] should_fail+0x3b8/0x514 [ 55.942197][ T5106] __should_failslab+0xbc/0x110 [ 55.943465][ T5106] should_failslab+0x10/0x28 [ 55.944690][ T5106] slab_pre_alloc_hook+0x64/0xe8 [ 55.945970][ T5106] __kmalloc_node+0xbc/0x5b8 [ 55.947117][ T5106] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 55.948646][ T5106] nbd_start_device+0x158/0xb34 [ 55.949877][ T5106] nbd_ioctl+0x420/0xc2c [ 55.950962][ T5106] blkdev_ioctl+0x3d8/0xbd0 [ 55.952069][ T5106] block_ioctl+0xa8/0x114 [ 55.953178][ T5106] __arm64_sys_ioctl+0x14c/0x1c8 [ 55.954335][ T5106] invoke_syscall+0x98/0x2b8 [ 55.955471][ T5106] el0_svc_common+0x138/0x258 [ 55.956683][ T5106] do_el0_svc+0x58/0x14c [ 55.957423][ T5111] block nbd0: shutting down sockets [ 55.957784][ T5106] el0_svc+0x7c/0x1f0 [ 55.959960][ T5106] el0t_64_sync_handler+0x84/0xe4 [ 55.961261][ T5106] el0t_64_sync+0x1a0/0x1a4 executing program executing program executing program [ 56.017317][ T5114] block nbd3: shutting down sockets [ 56.019565][ T5115] FAULT_INJECTION: forcing a failure. [ 56.019565][ T5115] name failslab, interval 1, probability 0, space 0, times 0 [ 56.022378][ T5115] CPU: 1 PID: 5115 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.024659][ T5115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.026898][ T5115] Call trace: [ 56.027682][ T5115] dump_backtrace+0x0/0x530 [ 56.028733][ T5115] show_stack+0x2c/0x3c [ 56.029710][ T5115] dump_stack_lvl+0x108/0x170 [ 56.030741][ T5115] dump_stack+0x1c/0x58 [ 56.031681][ T5115] should_fail+0x3b8/0x514 [ 56.032720][ T5115] __should_failslab+0xbc/0x110 [ 56.033881][ T5115] should_failslab+0x10/0x28 [ 56.034916][ T5115] slab_pre_alloc_hook+0x64/0xe8 [ 56.036151][ T5115] __kmalloc_node+0xbc/0x5b8 [ 56.037241][ T5115] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.038399][ T5115] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.039668][ T5115] nbd_start_device+0x158/0xb34 [ 56.040847][ T5115] nbd_ioctl+0x420/0xc2c [ 56.041855][ T5115] blkdev_ioctl+0x3d8/0xbd0 [ 56.042918][ T5115] block_ioctl+0xa8/0x114 [ 56.043970][ T5115] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.045114][ T5115] invoke_syscall+0x98/0x2b8 [ 56.046268][ T5115] el0_svc_common+0x138/0x258 [ 56.047284][ T5115] do_el0_svc+0x58/0x14c [ 56.048279][ T5115] el0_svc+0x7c/0x1f0 [ 56.049296][ T5115] el0t_64_sync_handler+0x84/0xe4 [ 56.050459][ T5115] el0t_64_sync+0x1a0/0x1a4 [ 56.053339][ T5115] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 56.106377][ T5119] block nbd1: shutting down sockets [ 56.109967][ T5114] FAULT_INJECTION: forcing a failure. [ 56.109967][ T5114] name failslab, interval 1, probability 0, space 0, times 0 [ 56.113017][ T5114] CPU: 0 PID: 5114 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.115547][ T5114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.118022][ T5114] Call trace: [ 56.118842][ T5114] dump_backtrace+0x0/0x530 [ 56.119906][ T5114] show_stack+0x2c/0x3c [ 56.121007][ T5114] dump_stack_lvl+0x108/0x170 [ 56.122284][ T5114] dump_stack+0x1c/0x58 [ 56.123350][ T5114] should_fail+0x3b8/0x514 [ 56.124481][ T5114] __should_failslab+0xbc/0x110 [ 56.125669][ T5114] should_failslab+0x10/0x28 [ 56.125774][ T5126] block nbd2: shutting down sockets [ 56.126853][ T5114] slab_pre_alloc_hook+0x64/0xe8 [ 56.129293][ T5114] __kmalloc_node+0xbc/0x5b8 [ 56.130515][ T5114] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.131867][ T5114] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.133326][ T5114] nbd_start_device+0x158/0xb34 [ 56.134466][ T5114] nbd_ioctl+0x420/0xc2c [ 56.135556][ T5114] blkdev_ioctl+0x3d8/0xbd0 [ 56.136634][ T5114] block_ioctl+0xa8/0x114 [ 56.137728][ T5114] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.138981][ T5114] invoke_syscall+0x98/0x2b8 [ 56.140253][ T5114] el0_svc_common+0x138/0x258 [ 56.141469][ T5114] do_el0_svc+0x58/0x14c [ 56.142561][ T5114] el0_svc+0x7c/0x1f0 [ 56.143654][ T5114] el0t_64_sync_handler+0x84/0xe4 [ 56.144911][ T5114] el0t_64_sync+0x1a0/0x1a4 [ 56.146044][ T5120] block nbd4: shutting down sockets [ 56.148858][ T5114] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.169413][ T5119] FAULT_INJECTION: forcing a failure. [ 56.169413][ T5119] name failslab, interval 1, probability 0, space 0, times 0 [ 56.171063][ T5122] FAULT_INJECTION: forcing a failure. [ 56.171063][ T5122] name failslab, interval 1, probability 0, space 0, times 0 [ 56.172647][ T5119] CPU: 1 PID: 5119 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.177774][ T5119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.180156][ T5119] Call trace: [ 56.180949][ T5119] dump_backtrace+0x0/0x530 [ 56.182021][ T5119] show_stack+0x2c/0x3c [ 56.182998][ T5119] dump_stack_lvl+0x108/0x170 [ 56.184042][ T5119] dump_stack+0x1c/0x58 [ 56.185002][ T5119] should_fail+0x3b8/0x514 [ 56.186073][ T5119] __should_failslab+0xbc/0x110 [ 56.187239][ T5119] should_failslab+0x10/0x28 [ 56.188345][ T5119] slab_pre_alloc_hook+0x64/0xe8 [ 56.189456][ T5119] __kmalloc_node+0xbc/0x5b8 [ 56.190562][ T5119] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.191784][ T5119] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.193144][ T5119] nbd_start_device+0x158/0xb34 [ 56.194272][ T5119] nbd_ioctl+0x420/0xc2c [ 56.195254][ T5119] blkdev_ioctl+0x3d8/0xbd0 [ 56.196323][ T5119] block_ioctl+0xa8/0x114 [ 56.197281][ T5119] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.198430][ T5119] invoke_syscall+0x98/0x2b8 [ 56.199474][ T5119] el0_svc_common+0x138/0x258 [ 56.200610][ T5119] do_el0_svc+0x58/0x14c [ 56.201674][ T5119] el0_svc+0x7c/0x1f0 [ 56.202596][ T5119] el0t_64_sync_handler+0x84/0xe4 [ 56.203855][ T5119] el0t_64_sync+0x1a0/0x1a4 [ 56.204920][ T5122] CPU: 0 PID: 5122 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.207386][ T5122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.209740][ T5122] Call trace: [ 56.209885][ T5120] FAULT_INJECTION: forcing a failure. [ 56.209885][ T5120] name failslab, interval 1, probability 0, space 0, times 0 [ 56.210472][ T5122] dump_backtrace+0x0/0x530 [ 56.214263][ T5122] show_stack+0x2c/0x3c [ 56.215264][ T5122] dump_stack_lvl+0x108/0x170 [ 56.216305][ T5122] dump_stack+0x1c/0x58 [ 56.217295][ T5122] should_fail+0x3b8/0x514 [ 56.218347][ T5122] __should_failslab+0xbc/0x110 [ 56.219497][ T5122] should_failslab+0x10/0x28 [ 56.220510][ T5122] slab_pre_alloc_hook+0x64/0xe8 [ 56.221559][ T5122] __kmalloc_node+0xbc/0x5b8 [ 56.222670][ T5122] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.223938][ T5122] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.225317][ T5122] nbd_start_device+0x158/0xb34 [ 56.226409][ T5122] nbd_ioctl+0x420/0xc2c [ 56.227394][ T5122] blkdev_ioctl+0x3d8/0xbd0 [ 56.228448][ T5122] block_ioctl+0xa8/0x114 [ 56.229456][ T5122] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.230640][ T5122] invoke_syscall+0x98/0x2b8 [ 56.231771][ T5122] el0_svc_common+0x138/0x258 [ 56.232824][ T5122] do_el0_svc+0x58/0x14c [ 56.233844][ T5122] el0_svc+0x7c/0x1f0 [ 56.234777][ T5122] el0t_64_sync_handler+0x84/0xe4 [ 56.235906][ T5122] el0t_64_sync+0x1a0/0x1a4 executing program [ 56.236872][ T5120] CPU: 1 PID: 5120 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.239218][ T5120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.241564][ T5120] Call trace: [ 56.242295][ T5120] dump_backtrace+0x0/0x530 [ 56.243335][ T5120] show_stack+0x2c/0x3c [ 56.243987][ T5127] block nbd0: shutting down sockets [ 56.244224][ T5120] dump_stack_lvl+0x108/0x170 [ 56.246481][ T5120] dump_stack+0x1c/0x58 [ 56.247436][ T5120] should_fail+0x3b8/0x514 [ 56.248594][ T5120] __should_failslab+0xbc/0x110 [ 56.249748][ T5120] should_failslab+0x10/0x28 [ 56.250798][ T5120] slab_pre_alloc_hook+0x64/0xe8 [ 56.251863][ T5120] __kmalloc_node+0xbc/0x5b8 [ 56.252928][ T5120] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.254205][ T5120] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.255485][ T5120] nbd_start_device+0x158/0xb34 [ 56.256229][ T5122] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.256619][ T5120] nbd_ioctl+0x420/0xc2c [ 56.259016][ T5120] blkdev_ioctl+0x3d8/0xbd0 [ 56.260042][ T5120] block_ioctl+0xa8/0x114 [ 56.261001][ T5120] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.262150][ T5120] invoke_syscall+0x98/0x2b8 [ 56.262192][ T5119] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.263202][ T5120] el0_svc_common+0x138/0x258 [ 56.263218][ T5120] do_el0_svc+0x58/0x14c [ 56.263228][ T5120] el0_svc+0x7c/0x1f0 [ 56.263240][ T5120] el0t_64_sync_handler+0x84/0xe4 [ 56.268756][ T5120] el0t_64_sync+0x1a0/0x1a4 [ 56.290888][ T5127] FAULT_INJECTION: forcing a failure. [ 56.290888][ T5127] name failslab, interval 1, probability 0, space 0, times 0 [ 56.293951][ T5127] CPU: 0 PID: 5127 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.295164][ T5120] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.296272][ T5127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.296285][ T5127] Call trace: [ 56.296288][ T5127] dump_backtrace+0x0/0x530 [ 56.301789][ T5127] show_stack+0x2c/0x3c [ 56.302784][ T5127] dump_stack_lvl+0x108/0x170 [ 56.303862][ T5127] dump_stack+0x1c/0x58 [ 56.304863][ T5127] should_fail+0x3b8/0x514 [ 56.305821][ T5127] __should_failslab+0xbc/0x110 [ 56.306953][ T5127] should_failslab+0x10/0x28 [ 56.308056][ T5127] slab_pre_alloc_hook+0x64/0xe8 [ 56.309182][ T5127] __kmalloc_node+0xbc/0x5b8 [ 56.310185][ T5127] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.311401][ T5127] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.312684][ T5127] nbd_start_device+0x158/0xb34 [ 56.313827][ T5127] nbd_ioctl+0x420/0xc2c [ 56.314766][ T5127] blkdev_ioctl+0x3d8/0xbd0 [ 56.315785][ T5127] block_ioctl+0xa8/0x114 [ 56.316810][ T5127] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.317946][ T5127] invoke_syscall+0x98/0x2b8 [ 56.319011][ T5127] el0_svc_common+0x138/0x258 [ 56.320095][ T5127] do_el0_svc+0x58/0x14c [ 56.320983][ T5127] el0_svc+0x7c/0x1f0 [ 56.321868][ T5127] el0t_64_sync_handler+0x84/0xe4 [ 56.323045][ T5127] el0t_64_sync+0x1a0/0x1a4 executing program executing program [ 56.329088][ T5127] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 56.355274][ T5135] block nbd3: Device being setup by another task [ 56.357281][ T5130] block nbd3: shutting down sockets [ 56.361697][ T5130] FAULT_INJECTION: forcing a failure. [ 56.361697][ T5130] name failslab, interval 1, probability 0, space 0, times 0 [ 56.364925][ T5130] CPU: 0 PID: 5130 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.367317][ T5130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.369757][ T5130] Call trace: [ 56.370556][ T5130] dump_backtrace+0x0/0x530 [ 56.371650][ T5130] show_stack+0x2c/0x3c [ 56.372637][ T5130] dump_stack_lvl+0x108/0x170 [ 56.373747][ T5130] dump_stack+0x1c/0x58 [ 56.374725][ T5130] should_fail+0x3b8/0x514 [ 56.375710][ T5130] __should_failslab+0xbc/0x110 [ 56.376909][ T5130] should_failslab+0x10/0x28 [ 56.378169][ T5130] slab_pre_alloc_hook+0x64/0xe8 [ 56.379359][ T5130] kmem_cache_alloc+0x98/0x45c [ 56.380412][ T5130] new_inode_pseudo+0x110/0x200 [ 56.381571][ T5130] new_inode+0x38/0x174 [ 56.382564][ T5130] debugfs_create_dir+0xf0/0x420 [ 56.383748][ T5130] nbd_start_device+0x3bc/0xb34 [ 56.384859][ T5130] nbd_ioctl+0x420/0xc2c [ 56.385793][ T5130] blkdev_ioctl+0x3d8/0xbd0 [ 56.386853][ T5130] block_ioctl+0xa8/0x114 [ 56.387787][ T5130] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.388881][ T5130] invoke_syscall+0x98/0x2b8 [ 56.389960][ T5130] el0_svc_common+0x138/0x258 [ 56.391148][ T5130] do_el0_svc+0x58/0x14c [ 56.392129][ T5130] el0_svc+0x7c/0x1f0 [ 56.393021][ T5130] el0t_64_sync_handler+0x84/0xe4 [ 56.394188][ T5130] el0t_64_sync+0x1a0/0x1a4 [ 56.397273][ T5130] debugfs: out of free dentries, can not create directory 'nbd3' [ 56.399312][ T5130] block nbd3: Failed to create debugfs dir for 'nbd3' [ 56.405907][ T5142] block nbd2: shutting down sockets executing program [ 56.425194][ T5144] block nbd1: shutting down sockets [ 56.445866][ T5138] block nbd4: shutting down sockets [ 56.469163][ T5133] FAULT_INJECTION: forcing a failure. [ 56.469163][ T5133] name failslab, interval 1, probability 0, space 0, times 0 [ 56.469752][ T5136] FAULT_INJECTION: forcing a failure. [ 56.469752][ T5136] name failslab, interval 1, probability 0, space 0, times 0 [ 56.472021][ T5133] CPU: 1 PID: 5133 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.472051][ T5133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.472059][ T5133] Call trace: [ 56.472063][ T5133] dump_backtrace+0x0/0x530 [ 56.481358][ T5133] show_stack+0x2c/0x3c [ 56.482385][ T5133] dump_stack_lvl+0x108/0x170 [ 56.483513][ T5133] dump_stack+0x1c/0x58 [ 56.484465][ T5133] should_fail+0x3b8/0x514 [ 56.485443][ T5133] __should_failslab+0xbc/0x110 [ 56.486634][ T5133] should_failslab+0x10/0x28 [ 56.487925][ T5133] slab_pre_alloc_hook+0x64/0xe8 [ 56.488997][ T5133] __kmalloc_node+0xbc/0x5b8 [ 56.490051][ T5133] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.491437][ T5133] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.492772][ T5133] nbd_start_device+0x158/0xb34 [ 56.493890][ T5133] nbd_ioctl+0x420/0xc2c [ 56.494971][ T5133] blkdev_ioctl+0x3d8/0xbd0 [ 56.496008][ T5133] block_ioctl+0xa8/0x114 [ 56.497048][ T5133] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.498213][ T5133] invoke_syscall+0x98/0x2b8 [ 56.499336][ T5133] el0_svc_common+0x138/0x258 [ 56.500373][ T5133] do_el0_svc+0x58/0x14c [ 56.501332][ T5133] el0_svc+0x7c/0x1f0 [ 56.502290][ T5133] el0t_64_sync_handler+0x84/0xe4 [ 56.503430][ T5133] el0t_64_sync+0x1a0/0x1a4 [ 56.504466][ T5136] CPU: 0 PID: 5136 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.505892][ T5140] block nbd0: shutting down sockets [ 56.506813][ T5136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.510305][ T5136] Call trace: [ 56.511049][ T5136] dump_backtrace+0x0/0x530 [ 56.512075][ T5136] show_stack+0x2c/0x3c [ 56.513020][ T5136] dump_stack_lvl+0x108/0x170 [ 56.514086][ T5136] dump_stack+0x1c/0x58 [ 56.514975][ T5136] should_fail+0x3b8/0x514 [ 56.516002][ T5136] __should_failslab+0xbc/0x110 [ 56.517223][ T5136] should_failslab+0x10/0x28 [ 56.518349][ T5136] slab_pre_alloc_hook+0x64/0xe8 [ 56.519447][ T5136] __kmalloc_node+0xbc/0x5b8 [ 56.520327][ T5138] FAULT_INJECTION: forcing a failure. [ 56.520327][ T5138] name failslab, interval 1, probability 0, space 0, times 0 [ 56.520557][ T5136] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.524722][ T5136] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.525981][ T5136] nbd_start_device+0x158/0xb34 [ 56.527107][ T5136] nbd_ioctl+0x420/0xc2c [ 56.528131][ T5136] blkdev_ioctl+0x3d8/0xbd0 [ 56.529249][ T5136] block_ioctl+0xa8/0x114 [ 56.530300][ T5136] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.531470][ T5136] invoke_syscall+0x98/0x2b8 [ 56.532629][ T5136] el0_svc_common+0x138/0x258 [ 56.533674][ T5136] do_el0_svc+0x58/0x14c [ 56.534673][ T5136] el0_svc+0x7c/0x1f0 [ 56.535678][ T5136] el0t_64_sync_handler+0x84/0xe4 [ 56.536878][ T5136] el0t_64_sync+0x1a0/0x1a4 [ 56.537940][ T5138] CPU: 1 PID: 5138 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.539316][ T5136] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.540307][ T5138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.540320][ T5138] Call trace: [ 56.540324][ T5138] dump_backtrace+0x0/0x530 [ 56.540340][ T5138] show_stack+0x2c/0x3c [ 56.546792][ T5138] dump_stack_lvl+0x108/0x170 [ 56.547941][ T5138] dump_stack+0x1c/0x58 [ 56.548885][ T5138] should_fail+0x3b8/0x514 [ 56.549937][ T5138] __should_failslab+0xbc/0x110 [ 56.551072][ T5138] should_failslab+0x10/0x28 [ 56.552153][ T5138] slab_pre_alloc_hook+0x64/0xe8 [ 56.552452][ T5133] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.553349][ T5138] __kmalloc_node+0xbc/0x5b8 [ 56.553366][ T5138] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.553380][ T5138] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.558442][ T5138] nbd_start_device+0x158/0xb34 [ 56.559608][ T5138] nbd_ioctl+0x420/0xc2c [ 56.560538][ T5138] blkdev_ioctl+0x3d8/0xbd0 [ 56.561580][ T5138] block_ioctl+0xa8/0x114 [ 56.562509][ T5138] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.563647][ T5138] invoke_syscall+0x98/0x2b8 [ 56.564731][ T5138] el0_svc_common+0x138/0x258 [ 56.565815][ T5138] do_el0_svc+0x58/0x14c [ 56.566779][ T5138] el0_svc+0x7c/0x1f0 [ 56.567675][ T5138] el0t_64_sync_handler+0x84/0xe4 [ 56.568887][ T5138] el0t_64_sync+0x1a0/0x1a4 [ 56.572255][ T5138] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.596450][ T5146] block nbd3: shutting down sockets executing program executing program executing program [ 56.611145][ T5140] FAULT_INJECTION: forcing a failure. [ 56.611145][ T5140] name failslab, interval 1, probability 0, space 0, times 0 [ 56.613888][ T5140] CPU: 1 PID: 5140 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.616308][ T5140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.618706][ T5140] Call trace: [ 56.619528][ T5140] dump_backtrace+0x0/0x530 [ 56.620627][ T5140] show_stack+0x2c/0x3c [ 56.621682][ T5140] dump_stack_lvl+0x108/0x170 [ 56.622802][ T5140] dump_stack+0x1c/0x58 [ 56.623776][ T5140] should_fail+0x3b8/0x514 [ 56.624817][ T5140] __should_failslab+0xbc/0x110 [ 56.626060][ T5140] should_failslab+0x10/0x28 [ 56.627091][ T5140] slab_pre_alloc_hook+0x64/0xe8 [ 56.628203][ T5140] __kmalloc_node+0xbc/0x5b8 [ 56.629319][ T5140] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.630643][ T5140] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.632120][ T5140] nbd_start_device+0x158/0xb34 [ 56.633211][ T5140] nbd_ioctl+0x420/0xc2c [ 56.634243][ T5140] blkdev_ioctl+0x3d8/0xbd0 [ 56.635221][ T5140] block_ioctl+0xa8/0x114 [ 56.636203][ T5140] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.637279][ T5140] invoke_syscall+0x98/0x2b8 [ 56.638282][ T5140] el0_svc_common+0x138/0x258 [ 56.639385][ T5140] do_el0_svc+0x58/0x14c [ 56.640313][ T5140] el0_svc+0x7c/0x1f0 [ 56.641210][ T5140] el0t_64_sync_handler+0x84/0xe4 [ 56.642405][ T5140] el0t_64_sync+0x1a0/0x1a4 [ 56.648608][ T5146] FAULT_INJECTION: forcing a failure. [ 56.648608][ T5146] name failslab, interval 1, probability 0, space 0, times 0 [ 56.651469][ T5146] CPU: 1 PID: 5146 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.653731][ T5146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.656041][ T5146] Call trace: [ 56.656819][ T5146] dump_backtrace+0x0/0x530 [ 56.657847][ T5146] show_stack+0x2c/0x3c [ 56.658798][ T5146] dump_stack_lvl+0x108/0x170 [ 56.660002][ T5146] dump_stack+0x1c/0x58 [ 56.660926][ T5146] should_fail+0x3b8/0x514 [ 56.661955][ T5146] __should_failslab+0xbc/0x110 [ 56.662964][ T5146] should_failslab+0x10/0x28 [ 56.664056][ T5146] slab_pre_alloc_hook+0x64/0xe8 [ 56.665225][ T5146] __kmalloc_node+0xbc/0x5b8 [ 56.666252][ T5146] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.667532][ T5146] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.668835][ T5146] nbd_start_device+0x158/0xb34 [ 56.669980][ T5146] nbd_ioctl+0x420/0xc2c [ 56.671093][ T5146] blkdev_ioctl+0x3d8/0xbd0 [ 56.672164][ T5146] block_ioctl+0xa8/0x114 [ 56.673143][ T5146] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.674365][ T5146] invoke_syscall+0x98/0x2b8 [ 56.675440][ T5146] el0_svc_common+0x138/0x258 [ 56.676526][ T5146] do_el0_svc+0x58/0x14c [ 56.677514][ T5146] el0_svc+0x7c/0x1f0 [ 56.678419][ T5146] el0t_64_sync_handler+0x84/0xe4 [ 56.679615][ T5146] el0t_64_sync+0x1a0/0x1a4 [ 56.681359][ T5140] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.690967][ T5146] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.707451][ T5155] block nbd2: shutting down sockets [ 56.708812][ T5154] block nbd4: shutting down sockets [ 56.718692][ T5156] block nbd1: shutting down sockets executing program [ 56.739732][ T5149] FAULT_INJECTION: forcing a failure. [ 56.739732][ T5149] name failslab, interval 1, probability 0, space 0, times 0 [ 56.742669][ T5149] CPU: 0 PID: 5149 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.744915][ T5149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.747231][ T5149] Call trace: [ 56.747980][ T5149] dump_backtrace+0x0/0x530 [ 56.749055][ T5149] show_stack+0x2c/0x3c [ 56.749058][ T5151] FAULT_INJECTION: forcing a failure. [ 56.749058][ T5151] name failslab, interval 1, probability 0, space 0, times 0 [ 56.749947][ T5149] dump_stack_lvl+0x108/0x170 [ 56.753811][ T5149] dump_stack+0x1c/0x58 [ 56.754760][ T5149] should_fail+0x3b8/0x514 [ 56.755716][ T5149] __should_failslab+0xbc/0x110 [ 56.756807][ T5149] should_failslab+0x10/0x28 [ 56.757882][ T5149] slab_pre_alloc_hook+0x64/0xe8 [ 56.759088][ T5149] __kmalloc_node+0xbc/0x5b8 [ 56.760153][ T5149] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.761313][ T5149] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.762685][ T5149] nbd_start_device+0x158/0xb34 [ 56.763848][ T5149] nbd_ioctl+0x420/0xc2c [ 56.764782][ T5149] blkdev_ioctl+0x3d8/0xbd0 [ 56.765803][ T5149] block_ioctl+0xa8/0x114 [ 56.766794][ T5149] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.767972][ T5149] invoke_syscall+0x98/0x2b8 [ 56.769074][ T5149] el0_svc_common+0x138/0x258 [ 56.770128][ T5149] do_el0_svc+0x58/0x14c [ 56.771136][ T5149] el0_svc+0x7c/0x1f0 [ 56.772008][ T5149] el0t_64_sync_handler+0x84/0xe4 [ 56.773211][ T5149] el0t_64_sync+0x1a0/0x1a4 [ 56.774786][ T5149] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.776363][ T5151] CPU: 1 PID: 5151 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.776381][ T5151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.776390][ T5151] Call trace: [ 56.776393][ T5151] dump_backtrace+0x0/0x530 [ 56.776408][ T5151] show_stack+0x2c/0x3c [ 56.776419][ T5151] dump_stack_lvl+0x108/0x170 [ 56.776430][ T5151] dump_stack+0x1c/0x58 [ 56.776439][ T5151] should_fail+0x3b8/0x514 [ 56.776450][ T5151] __should_failslab+0xbc/0x110 [ 56.782787][ T5153] FAULT_INJECTION: forcing a failure. [ 56.782787][ T5153] name failslab, interval 1, probability 0, space 0, times 0 [ 56.782834][ T5151] should_failslab+0x10/0x28 [ 56.792217][ T5151] slab_pre_alloc_hook+0x64/0xe8 [ 56.793323][ T5151] __kmalloc_node+0xbc/0x5b8 [ 56.794429][ T5151] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.795651][ T5151] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.796890][ T5151] nbd_start_device+0x158/0xb34 [ 56.798076][ T5151] nbd_ioctl+0x420/0xc2c [ 56.799147][ T5151] blkdev_ioctl+0x3d8/0xbd0 [ 56.800212][ T5151] block_ioctl+0xa8/0x114 [ 56.801164][ T5151] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.802271][ T5151] invoke_syscall+0x98/0x2b8 [ 56.803271][ T5151] el0_svc_common+0x138/0x258 [ 56.804363][ T5151] do_el0_svc+0x58/0x14c [ 56.805284][ T5151] el0_svc+0x7c/0x1f0 [ 56.806271][ T5151] el0t_64_sync_handler+0x84/0xe4 [ 56.807389][ T5151] el0t_64_sync+0x1a0/0x1a4 [ 56.808475][ T5153] CPU: 0 PID: 5153 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.810780][ T5153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.813085][ T5153] Call trace: [ 56.813840][ T5153] dump_backtrace+0x0/0x530 [ 56.814889][ T5153] show_stack+0x2c/0x3c [ 56.815847][ T5153] dump_stack_lvl+0x108/0x170 [ 56.816861][ T5153] dump_stack+0x1c/0x58 [ 56.817777][ T5153] should_fail+0x3b8/0x514 [ 56.818760][ T5153] __should_failslab+0xbc/0x110 [ 56.819907][ T5153] should_failslab+0x10/0x28 [ 56.820942][ T5153] slab_pre_alloc_hook+0x64/0xe8 [ 56.822036][ T5153] __kmalloc_node+0xbc/0x5b8 [ 56.823188][ T5153] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 56.824504][ T5153] nbd_start_device+0x158/0xb34 [ 56.825661][ T5153] nbd_ioctl+0x420/0xc2c [ 56.826622][ T5153] blkdev_ioctl+0x3d8/0xbd0 [ 56.827746][ T5153] block_ioctl+0xa8/0x114 [ 56.828707][ T5153] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.829900][ T5153] invoke_syscall+0x98/0x2b8 [ 56.830989][ T5153] el0_svc_common+0x138/0x258 [ 56.832080][ T5153] do_el0_svc+0x58/0x14c [ 56.833066][ T5153] el0_svc+0x7c/0x1f0 [ 56.833937][ T5153] el0t_64_sync_handler+0x84/0xe4 [ 56.835061][ T5151] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.835084][ T5153] el0t_64_sync+0x1a0/0x1a4 [ 56.849823][ T5158] block nbd0: shutting down sockets executing program executing program executing program executing program [ 56.918932][ T5158] FAULT_INJECTION: forcing a failure. [ 56.918932][ T5158] name failslab, interval 1, probability 0, space 0, times 0 [ 56.921925][ T5158] CPU: 0 PID: 5158 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 56.924229][ T5158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 56.926485][ T5158] Call trace: [ 56.927239][ T5158] dump_backtrace+0x0/0x530 [ 56.928323][ T5158] show_stack+0x2c/0x3c [ 56.929268][ T5158] dump_stack_lvl+0x108/0x170 [ 56.930343][ T5158] dump_stack+0x1c/0x58 [ 56.931317][ T5158] should_fail+0x3b8/0x514 [ 56.932317][ T5158] __should_failslab+0xbc/0x110 [ 56.933379][ T5158] should_failslab+0x10/0x28 [ 56.934547][ T5158] slab_pre_alloc_hook+0x64/0xe8 [ 56.935681][ T5158] __kmalloc_node+0xbc/0x5b8 [ 56.936718][ T5158] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 56.938059][ T5158] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 56.939401][ T5158] nbd_start_device+0x158/0xb34 [ 56.940531][ T5158] nbd_ioctl+0x420/0xc2c [ 56.941575][ T5158] blkdev_ioctl+0x3d8/0xbd0 [ 56.942621][ T5158] block_ioctl+0xa8/0x114 [ 56.943600][ T5158] __arm64_sys_ioctl+0x14c/0x1c8 [ 56.944749][ T5158] invoke_syscall+0x98/0x2b8 [ 56.945898][ T5158] el0_svc_common+0x138/0x258 [ 56.947034][ T5158] do_el0_svc+0x58/0x14c [ 56.948016][ T5158] el0_svc+0x7c/0x1f0 [ 56.948956][ T5158] el0t_64_sync_handler+0x84/0xe4 [ 56.950112][ T5158] el0t_64_sync+0x1a0/0x1a4 [ 56.951909][ T5158] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 56.956172][ T5162] block nbd4: shutting down sockets executing program [ 56.985626][ T5169] block nbd3: shutting down sockets [ 56.987040][ T5170] block nbd2: shutting down sockets [ 56.995163][ T5171] block nbd1: shutting down sockets [ 57.008763][ T5162] FAULT_INJECTION: forcing a failure. [ 57.008763][ T5162] name failslab, interval 1, probability 0, space 0, times 0 [ 57.011672][ T5162] CPU: 0 PID: 5162 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.014036][ T5162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.016376][ T5162] Call trace: [ 57.017107][ T5162] dump_backtrace+0x0/0x530 [ 57.018146][ T5162] show_stack+0x2c/0x3c [ 57.019105][ T5162] dump_stack_lvl+0x108/0x170 [ 57.020216][ T5162] dump_stack+0x1c/0x58 [ 57.021272][ T5162] should_fail+0x3b8/0x514 [ 57.022367][ T5162] __should_failslab+0xbc/0x110 [ 57.023486][ T5162] should_failslab+0x10/0x28 [ 57.024568][ T5162] slab_pre_alloc_hook+0x64/0xe8 [ 57.025745][ T5162] __kmalloc_node+0xbc/0x5b8 [ 57.026846][ T5162] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.028064][ T5162] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.029381][ T5162] nbd_start_device+0x158/0xb34 [ 57.030474][ T5162] nbd_ioctl+0x420/0xc2c [ 57.031503][ T5162] blkdev_ioctl+0x3d8/0xbd0 [ 57.032549][ T5162] block_ioctl+0xa8/0x114 [ 57.033543][ T5162] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.034654][ T5162] invoke_syscall+0x98/0x2b8 [ 57.035685][ T5162] el0_svc_common+0x138/0x258 [ 57.036778][ T5162] do_el0_svc+0x58/0x14c [ 57.037789][ T5162] el0_svc+0x7c/0x1f0 [ 57.038667][ T5162] el0t_64_sync_handler+0x84/0xe4 [ 57.039883][ T5162] el0t_64_sync+0x1a0/0x1a4 [ 57.041682][ T5162] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.049888][ T5166] FAULT_INJECTION: forcing a failure. [ 57.049888][ T5166] name failslab, interval 1, probability 0, space 0, times 0 [ 57.053008][ T5166] CPU: 0 PID: 5166 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.053234][ T5167] FAULT_INJECTION: forcing a failure. [ 57.053234][ T5167] name failslab, interval 1, probability 0, space 0, times 0 [ 57.055269][ T5166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.055282][ T5166] Call trace: [ 57.055286][ T5166] dump_backtrace+0x0/0x530 [ 57.055303][ T5166] show_stack+0x2c/0x3c [ 57.055314][ T5166] dump_stack_lvl+0x108/0x170 [ 57.061169][ T5163] FAULT_INJECTION: forcing a failure. [ 57.061169][ T5163] name failslab, interval 1, probability 0, space 0, times 0 [ 57.062264][ T5166] dump_stack+0x1c/0x58 [ 57.068935][ T5166] should_fail+0x3b8/0x514 [ 57.070117][ T5166] __should_failslab+0xbc/0x110 [ 57.071379][ T5166] should_failslab+0x10/0x28 [ 57.072430][ T5166] slab_pre_alloc_hook+0x64/0xe8 [ 57.073562][ T5166] __kmalloc_node+0xbc/0x5b8 [ 57.074533][ T5166] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.075854][ T5166] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.077347][ T5166] nbd_start_device+0x158/0xb34 [ 57.078539][ T5166] nbd_ioctl+0x420/0xc2c [ 57.079527][ T5166] blkdev_ioctl+0x3d8/0xbd0 [ 57.080645][ T5166] block_ioctl+0xa8/0x114 [ 57.081610][ T5166] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.082694][ T5166] invoke_syscall+0x98/0x2b8 [ 57.083838][ T5166] el0_svc_common+0x138/0x258 [ 57.084888][ T5166] do_el0_svc+0x58/0x14c [ 57.085799][ T5166] el0_svc+0x7c/0x1f0 [ 57.086724][ T5166] el0t_64_sync_handler+0x84/0xe4 [ 57.088003][ T5166] el0t_64_sync+0x1a0/0x1a4 [ 57.089145][ T5163] CPU: 1 PID: 5163 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.091486][ T5163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.093919][ T5163] Call trace: [ 57.094700][ T5163] dump_backtrace+0x0/0x530 [ 57.095882][ T5163] show_stack+0x2c/0x3c [ 57.096897][ T5163] dump_stack_lvl+0x108/0x170 [ 57.097918][ T5163] dump_stack+0x1c/0x58 [ 57.098936][ T5163] should_fail+0x3b8/0x514 [ 57.099968][ T5163] __should_failslab+0xbc/0x110 [ 57.101048][ T5163] should_failslab+0x10/0x28 [ 57.102054][ T5163] slab_pre_alloc_hook+0x64/0xe8 [ 57.103256][ T5163] __kmalloc_node+0xbc/0x5b8 [ 57.104340][ T5163] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.105339][ T5166] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.105587][ T5163] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.108575][ T5163] nbd_start_device+0x158/0xb34 [ 57.109559][ T5163] nbd_ioctl+0x420/0xc2c [ 57.110453][ T5163] blkdev_ioctl+0x3d8/0xbd0 [ 57.111478][ T5163] block_ioctl+0xa8/0x114 [ 57.112565][ T5163] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.113824][ T5163] invoke_syscall+0x98/0x2b8 [ 57.114999][ T5163] el0_svc_common+0x138/0x258 [ 57.116141][ T5163] do_el0_svc+0x58/0x14c [ 57.117131][ T5163] el0_svc+0x7c/0x1f0 [ 57.118077][ T5163] el0t_64_sync_handler+0x84/0xe4 [ 57.119268][ T5163] el0t_64_sync+0x1a0/0x1a4 [ 57.121836][ T5174] block nbd0: shutting down sockets [ 57.137927][ T5167] CPU: 1 PID: 5167 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.140352][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.142754][ T5167] Call trace: [ 57.143556][ T5167] dump_backtrace+0x0/0x530 [ 57.144567][ T5167] show_stack+0x2c/0x3c [ 57.145556][ T5167] dump_stack_lvl+0x108/0x170 [ 57.146669][ T5167] dump_stack+0x1c/0x58 [ 57.147585][ T5167] should_fail+0x3b8/0x514 [ 57.148717][ T5167] __should_failslab+0xbc/0x110 [ 57.149958][ T5167] should_failslab+0x10/0x28 [ 57.151050][ T5167] slab_pre_alloc_hook+0x64/0xe8 [ 57.152186][ T5167] __kmalloc_node+0xbc/0x5b8 [ 57.153224][ T5167] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.154464][ T5167] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.155845][ T5167] nbd_start_device+0x158/0xb34 [ 57.157110][ T5167] nbd_ioctl+0x420/0xc2c [ 57.158046][ T5167] blkdev_ioctl+0x3d8/0xbd0 [ 57.159045][ T5167] block_ioctl+0xa8/0x114 [ 57.160033][ T5167] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.161243][ T5167] invoke_syscall+0x98/0x2b8 [ 57.162415][ T5167] el0_svc_common+0x138/0x258 [ 57.163438][ T5167] do_el0_svc+0x58/0x14c [ 57.164472][ T5167] el0_svc+0x7c/0x1f0 [ 57.165359][ T5167] el0t_64_sync_handler+0x84/0xe4 [ 57.166541][ T5167] el0t_64_sync+0x1a0/0x1a4 executing program [ 57.170726][ T5163] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.182184][ T5167] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program executing program [ 57.208861][ T5173] FAULT_INJECTION: forcing a failure. [ 57.208861][ T5173] name failslab, interval 1, probability 0, space 0, times 0 [ 57.211831][ T5173] CPU: 1 PID: 5173 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.214090][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.216443][ T5173] Call trace: [ 57.217175][ T5173] dump_backtrace+0x0/0x530 [ 57.218200][ T5173] show_stack+0x2c/0x3c [ 57.219101][ T5173] dump_stack_lvl+0x108/0x170 [ 57.220222][ T5173] dump_stack+0x1c/0x58 [ 57.221199][ T5173] should_fail+0x3b8/0x514 [ 57.222293][ T5173] __should_failslab+0xbc/0x110 [ 57.223522][ T5173] should_failslab+0x10/0x28 [ 57.224559][ T5173] slab_pre_alloc_hook+0x64/0xe8 [ 57.225683][ T5173] __kmalloc_node+0xbc/0x5b8 [ 57.226697][ T5173] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.227897][ T5173] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.229207][ T5173] nbd_start_device+0x158/0xb34 [ 57.230270][ T5173] nbd_ioctl+0x420/0xc2c [ 57.231217][ T5173] blkdev_ioctl+0x3d8/0xbd0 [ 57.232271][ T5173] block_ioctl+0xa8/0x114 [ 57.233250][ T5173] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.234412][ T5173] invoke_syscall+0x98/0x2b8 [ 57.235444][ T5173] el0_svc_common+0x138/0x258 [ 57.236425][ T5173] do_el0_svc+0x58/0x14c [ 57.237372][ T5173] el0_svc+0x7c/0x1f0 [ 57.238371][ T5173] el0t_64_sync_handler+0x84/0xe4 [ 57.239507][ T5173] el0t_64_sync+0x1a0/0x1a4 [ 57.242656][ T5173] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 57.275536][ T5178] block nbd2: shutting down sockets [ 57.275836][ T5176] block nbd4: shutting down sockets [ 57.285767][ T5182] block nbd1: shutting down sockets [ 57.296237][ T5180] block nbd3: shutting down sockets [ 57.328755][ T5182] FAULT_INJECTION: forcing a failure. [ 57.328755][ T5182] name failslab, interval 1, probability 0, space 0, times 0 [ 57.328779][ T5178] FAULT_INJECTION: forcing a failure. [ 57.328779][ T5178] name failslab, interval 1, probability 0, space 0, times 0 [ 57.331639][ T5182] CPU: 1 PID: 5182 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.336673][ T5182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.338997][ T5182] Call trace: [ 57.339723][ T5182] dump_backtrace+0x0/0x530 [ 57.340743][ T5182] show_stack+0x2c/0x3c [ 57.341510][ T5176] FAULT_INJECTION: forcing a failure. [ 57.341510][ T5176] name failslab, interval 1, probability 0, space 0, times 0 [ 57.341734][ T5182] dump_stack_lvl+0x108/0x170 [ 57.345513][ T5182] dump_stack+0x1c/0x58 [ 57.346465][ T5182] should_fail+0x3b8/0x514 [ 57.347525][ T5182] __should_failslab+0xbc/0x110 [ 57.348690][ T5182] should_failslab+0x10/0x28 [ 57.349846][ T5182] slab_pre_alloc_hook+0x64/0xe8 [ 57.351061][ T5182] __kmalloc_node+0xbc/0x5b8 [ 57.352189][ T5182] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.353440][ T5182] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.354761][ T5182] nbd_start_device+0x158/0xb34 [ 57.355852][ T5182] nbd_ioctl+0x420/0xc2c [ 57.356922][ T5182] blkdev_ioctl+0x3d8/0xbd0 [ 57.357947][ T5182] block_ioctl+0xa8/0x114 [ 57.358948][ T5182] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.360139][ T5182] invoke_syscall+0x98/0x2b8 [ 57.361203][ T5182] el0_svc_common+0x138/0x258 [ 57.362302][ T5182] do_el0_svc+0x58/0x14c [ 57.363313][ T5182] el0_svc+0x7c/0x1f0 [ 57.364188][ T5182] el0t_64_sync_handler+0x84/0xe4 [ 57.365385][ T5182] el0t_64_sync+0x1a0/0x1a4 [ 57.366449][ T5176] CPU: 0 PID: 5176 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.368324][ T5182] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.368833][ T5176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.372691][ T5176] Call trace: [ 57.373497][ T5176] dump_backtrace+0x0/0x530 [ 57.374526][ T5176] show_stack+0x2c/0x3c [ 57.375439][ T5176] dump_stack_lvl+0x108/0x170 [ 57.376454][ T5176] dump_stack+0x1c/0x58 [ 57.377472][ T5176] should_fail+0x3b8/0x514 [ 57.378454][ T5176] __should_failslab+0xbc/0x110 [ 57.379641][ T5176] should_failslab+0x10/0x28 [ 57.380674][ T5176] slab_pre_alloc_hook+0x64/0xe8 [ 57.380947][ T5180] FAULT_INJECTION: forcing a failure. [ 57.380947][ T5180] name failslab, interval 1, probability 0, space 0, times 0 [ 57.381763][ T5176] __kmalloc_node+0xbc/0x5b8 [ 57.385127][ T5189] block nbd0: shutting down sockets [ 57.385675][ T5176] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.387946][ T5176] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.389214][ T5176] nbd_start_device+0x158/0xb34 [ 57.390413][ T5176] nbd_ioctl+0x420/0xc2c [ 57.391416][ T5176] blkdev_ioctl+0x3d8/0xbd0 [ 57.392454][ T5176] block_ioctl+0xa8/0x114 [ 57.393433][ T5176] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.394498][ T5176] invoke_syscall+0x98/0x2b8 [ 57.395567][ T5176] el0_svc_common+0x138/0x258 [ 57.396616][ T5176] do_el0_svc+0x58/0x14c [ 57.397518][ T5176] el0_svc+0x7c/0x1f0 [ 57.398461][ T5176] el0t_64_sync_handler+0x84/0xe4 [ 57.399692][ T5176] el0t_64_sync+0x1a0/0x1a4 [ 57.400683][ T5180] CPU: 1 PID: 5180 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.403078][ T5180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.405425][ T5180] Call trace: [ 57.406190][ T5180] dump_backtrace+0x0/0x530 [ 57.407269][ T5180] show_stack+0x2c/0x3c [ 57.408266][ T5180] dump_stack_lvl+0x108/0x170 [ 57.409354][ T5180] dump_stack+0x1c/0x58 [ 57.410312][ T5180] should_fail+0x3b8/0x514 [ 57.411366][ T5180] __should_failslab+0xbc/0x110 [ 57.412463][ T5180] should_failslab+0x10/0x28 [ 57.413553][ T5180] slab_pre_alloc_hook+0x64/0xe8 [ 57.414739][ T5180] __kmalloc_node+0xbc/0x5b8 [ 57.415784][ T5180] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.417015][ T5180] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.418320][ T5180] nbd_start_device+0x158/0xb34 [ 57.419488][ T5180] nbd_ioctl+0x420/0xc2c [ 57.420450][ T5180] blkdev_ioctl+0x3d8/0xbd0 [ 57.421514][ T5180] block_ioctl+0xa8/0x114 [ 57.422539][ T5180] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.423633][ T5180] invoke_syscall+0x98/0x2b8 [ 57.424675][ T5180] el0_svc_common+0x138/0x258 [ 57.425803][ T5180] do_el0_svc+0x58/0x14c [ 57.426864][ T5180] el0_svc+0x7c/0x1f0 [ 57.427819][ T5180] el0t_64_sync_handler+0x84/0xe4 [ 57.428992][ T5180] el0t_64_sync+0x1a0/0x1a4 [ 57.430123][ T5178] CPU: 0 PID: 5178 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.432408][ T5178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.434719][ T5178] Call trace: [ 57.435495][ T5178] dump_backtrace+0x0/0x530 [ 57.436533][ T5178] show_stack+0x2c/0x3c [ 57.437587][ T5178] dump_stack_lvl+0x108/0x170 [ 57.438734][ T5178] dump_stack+0x1c/0x58 [ 57.439758][ T5178] should_fail+0x3b8/0x514 [ 57.440746][ T5178] __should_failslab+0xbc/0x110 [ 57.441852][ T5178] should_failslab+0x10/0x28 [ 57.442897][ T5178] slab_pre_alloc_hook+0x64/0xe8 [ 57.443982][ T5178] __kmalloc_node+0xbc/0x5b8 [ 57.445105][ T5178] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.445726][ T5176] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.446280][ T5178] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.449232][ T5178] nbd_start_device+0x158/0xb34 [ 57.450362][ T5178] nbd_ioctl+0x420/0xc2c [ 57.451424][ T5178] blkdev_ioctl+0x3d8/0xbd0 [ 57.452634][ T5178] block_ioctl+0xa8/0x114 [ 57.453661][ T5178] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.454809][ T5178] invoke_syscall+0x98/0x2b8 [ 57.455849][ T5178] el0_svc_common+0x138/0x258 [ 57.456971][ T5178] do_el0_svc+0x58/0x14c [ 57.457995][ T5178] el0_svc+0x7c/0x1f0 [ 57.458393][ T5180] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.458936][ T5178] el0t_64_sync_handler+0x84/0xe4 [ 57.461514][ T5178] el0t_64_sync+0x1a0/0x1a4 executing program [ 57.475623][ T5178] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.496613][ T5186] FAULT_INJECTION: forcing a failure. [ 57.496613][ T5186] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 57.500549][ T5186] CPU: 1 PID: 5186 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 executing program [ 57.502900][ T5186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.505342][ T5186] Call trace: [ 57.506129][ T5186] dump_backtrace+0x0/0x530 [ 57.507256][ T5186] show_stack+0x2c/0x3c [ 57.508256][ T5186] dump_stack_lvl+0x108/0x170 [ 57.509439][ T5186] dump_stack+0x1c/0x58 [ 57.510382][ T5186] should_fail+0x3b8/0x514 [ 57.511433][ T5186] __should_failslab+0xbc/0x110 [ 57.512556][ T5186] should_failslab+0x10/0x28 [ 57.513570][ T5186] slab_pre_alloc_hook+0x64/0xe8 [ 57.514688][ T5186] __kmalloc_node+0xbc/0x5b8 [ 57.515753][ T5186] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.517019][ T5186] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.518427][ T5186] nbd_start_device+0x158/0xb34 [ 57.519597][ T5186] nbd_ioctl+0x420/0xc2c [ 57.520627][ T5186] blkdev_ioctl+0x3d8/0xbd0 [ 57.521769][ T5186] block_ioctl+0xa8/0x114 [ 57.522810][ T5186] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.523951][ T5186] invoke_syscall+0x98/0x2b8 [ 57.525076][ T5186] el0_svc_common+0x138/0x258 [ 57.526170][ T5186] do_el0_svc+0x58/0x14c [ 57.527155][ T5186] el0_svc+0x7c/0x1f0 [ 57.528215][ T5186] el0t_64_sync_handler+0x84/0xe4 [ 57.529322][ T5186] el0t_64_sync+0x1a0/0x1a4 [ 57.533972][ T5186] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 57.555648][ T5191] block nbd1: shutting down sockets [ 57.605573][ T5201] block nbd2: shutting down sockets [ 57.606887][ T5200] block nbd3: shutting down sockets [ 57.619095][ T5191] FAULT_INJECTION: forcing a failure. [ 57.619095][ T5191] name failslab, interval 1, probability 0, space 0, times 0 [ 57.621976][ T5191] CPU: 1 PID: 5191 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.624223][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.626563][ T5191] Call trace: [ 57.627297][ T5191] dump_backtrace+0x0/0x530 [ 57.628351][ T5191] show_stack+0x2c/0x3c [ 57.629384][ T5191] dump_stack_lvl+0x108/0x170 [ 57.630455][ T5191] dump_stack+0x1c/0x58 [ 57.631410][ T5191] should_fail+0x3b8/0x514 [ 57.632462][ T5191] __should_failslab+0xbc/0x110 [ 57.633570][ T5191] should_failslab+0x10/0x28 [ 57.634621][ T5191] slab_pre_alloc_hook+0x64/0xe8 [ 57.635789][ T5191] __kmalloc_node+0xbc/0x5b8 [ 57.636865][ T5191] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 57.638167][ T5191] nbd_start_device+0x158/0xb34 [ 57.639319][ T5191] nbd_ioctl+0x420/0xc2c [ 57.640267][ T5191] blkdev_ioctl+0x3d8/0xbd0 [ 57.641312][ T5191] block_ioctl+0xa8/0x114 [ 57.642365][ T5191] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.643514][ T5191] invoke_syscall+0x98/0x2b8 [ 57.644564][ T5191] el0_svc_common+0x138/0x258 [ 57.645636][ T5191] do_el0_svc+0x58/0x14c [ 57.646666][ T5191] el0_svc+0x7c/0x1f0 [ 57.647524][ T5191] el0t_64_sync_handler+0x84/0xe4 [ 57.648647][ T5191] el0t_64_sync+0x1a0/0x1a4 [ 57.655600][ T5197] block nbd4: shutting down sockets [ 57.660100][ T5199] block nbd0: shutting down sockets [ 57.678704][ T5194] FAULT_INJECTION: forcing a failure. [ 57.678704][ T5194] name failslab, interval 1, probability 0, space 0, times 0 [ 57.681540][ T5194] CPU: 0 PID: 5194 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.683777][ T5194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.686116][ T5194] Call trace: [ 57.686864][ T5194] dump_backtrace+0x0/0x530 [ 57.687925][ T5194] show_stack+0x2c/0x3c [ 57.688922][ T5194] dump_stack_lvl+0x108/0x170 [ 57.689957][ T5194] dump_stack+0x1c/0x58 [ 57.690895][ T5194] should_fail+0x3b8/0x514 [ 57.691826][ T5194] __should_failslab+0xbc/0x110 [ 57.692983][ T5194] should_failslab+0x10/0x28 [ 57.693958][ T5194] slab_pre_alloc_hook+0x64/0xe8 [ 57.695062][ T5194] __kmalloc_node+0xbc/0x5b8 [ 57.696016][ T5194] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.697146][ T5194] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.698441][ T5194] nbd_start_device+0x158/0xb34 [ 57.699541][ T5194] nbd_ioctl+0x420/0xc2c [ 57.700568][ T5194] blkdev_ioctl+0x3d8/0xbd0 [ 57.701586][ T5194] block_ioctl+0xa8/0x114 [ 57.702526][ T5194] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.703653][ T5194] invoke_syscall+0x98/0x2b8 executing program [ 57.704711][ T5194] el0_svc_common+0x138/0x258 [ 57.705827][ T5194] do_el0_svc+0x58/0x14c [ 57.706800][ T5194] el0_svc+0x7c/0x1f0 [ 57.707727][ T5194] el0t_64_sync_handler+0x84/0xe4 [ 57.708910][ T5194] el0t_64_sync+0x1a0/0x1a4 [ 57.711180][ T5194] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.718795][ T5195] FAULT_INJECTION: forcing a failure. [ 57.718795][ T5195] name failslab, interval 1, probability 0, space 0, times 0 [ 57.721681][ T5195] CPU: 0 PID: 5195 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.723869][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.726061][ T5195] Call trace: [ 57.726774][ T5195] dump_backtrace+0x0/0x530 [ 57.727767][ T5195] show_stack+0x2c/0x3c [ 57.728709][ T5195] dump_stack_lvl+0x108/0x170 [ 57.729774][ T5195] dump_stack+0x1c/0x58 [ 57.730654][ T5195] should_fail+0x3b8/0x514 [ 57.731703][ T5195] __should_failslab+0xbc/0x110 [ 57.732687][ T5195] should_failslab+0x10/0x28 [ 57.733774][ T5195] slab_pre_alloc_hook+0x64/0xe8 [ 57.734874][ T5195] __kmalloc_node+0xbc/0x5b8 [ 57.735949][ T5195] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 57.737251][ T5195] nbd_start_device+0x158/0xb34 [ 57.738356][ T5195] nbd_ioctl+0x420/0xc2c executing program [ 57.739370][ T5195] blkdev_ioctl+0x3d8/0xbd0 [ 57.740376][ T5195] block_ioctl+0xa8/0x114 [ 57.741412][ T5195] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.742643][ T5195] invoke_syscall+0x98/0x2b8 [ 57.743689][ T5195] el0_svc_common+0x138/0x258 [ 57.744803][ T5195] do_el0_svc+0x58/0x14c [ 57.745763][ T5195] el0_svc+0x7c/0x1f0 [ 57.746683][ T5195] el0t_64_sync_handler+0x84/0xe4 [ 57.747864][ T5195] el0t_64_sync+0x1a0/0x1a4 [ 57.761603][ T5199] FAULT_INJECTION: forcing a failure. [ 57.761603][ T5199] name failslab, interval 1, probability 0, space 0, times 0 [ 57.764710][ T5199] CPU: 1 PID: 5199 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.766982][ T5199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.769314][ T5199] Call trace: [ 57.770009][ T5199] dump_backtrace+0x0/0x530 [ 57.771018][ T5199] show_stack+0x2c/0x3c [ 57.771977][ T5199] dump_stack_lvl+0x108/0x170 [ 57.773072][ T5199] dump_stack+0x1c/0x58 [ 57.774009][ T5199] should_fail+0x3b8/0x514 [ 57.774977][ T5199] __should_failslab+0xbc/0x110 [ 57.776140][ T5199] should_failslab+0x10/0x28 [ 57.777164][ T5199] slab_pre_alloc_hook+0x64/0xe8 [ 57.778210][ T5199] __kmalloc_node+0xbc/0x5b8 [ 57.779374][ T5199] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.780628][ T5199] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.782085][ T5199] nbd_start_device+0x158/0xb34 [ 57.783086][ T5199] nbd_ioctl+0x420/0xc2c [ 57.784003][ T5199] blkdev_ioctl+0x3d8/0xbd0 [ 57.785098][ T5199] block_ioctl+0xa8/0x114 [ 57.786168][ T5199] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.787368][ T5199] invoke_syscall+0x98/0x2b8 [ 57.788509][ T5199] el0_svc_common+0x138/0x258 executing program [ 57.789639][ T5199] do_el0_svc+0x58/0x14c [ 57.790598][ T5199] el0_svc+0x7c/0x1f0 [ 57.791611][ T5199] el0t_64_sync_handler+0x84/0xe4 [ 57.792751][ T5199] el0t_64_sync+0x1a0/0x1a4 [ 57.800887][ T5202] FAULT_INJECTION: forcing a failure. [ 57.800887][ T5202] name failslab, interval 1, probability 0, space 0, times 0 [ 57.803770][ T5202] CPU: 1 PID: 5202 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.806041][ T5202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.808334][ T5202] Call trace: [ 57.809147][ T5202] dump_backtrace+0x0/0x530 [ 57.810173][ T5202] show_stack+0x2c/0x3c [ 57.811118][ T5202] dump_stack_lvl+0x108/0x170 [ 57.812220][ T5202] dump_stack+0x1c/0x58 [ 57.813191][ T5202] should_fail+0x3b8/0x514 [ 57.814323][ T5202] __should_failslab+0xbc/0x110 [ 57.815429][ T5202] should_failslab+0x10/0x28 [ 57.816587][ T5202] slab_pre_alloc_hook+0x64/0xe8 [ 57.817743][ T5202] __kmalloc_node+0xbc/0x5b8 [ 57.818757][ T5202] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.820085][ T5202] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.821451][ T5202] nbd_start_device+0x158/0xb34 [ 57.822585][ T5202] nbd_ioctl+0x420/0xc2c [ 57.823547][ T5202] blkdev_ioctl+0x3d8/0xbd0 [ 57.824574][ T5202] block_ioctl+0xa8/0x114 [ 57.825558][ T5202] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.826674][ T5202] invoke_syscall+0x98/0x2b8 [ 57.827855][ T5202] el0_svc_common+0x138/0x258 [ 57.828987][ T5202] do_el0_svc+0x58/0x14c [ 57.829937][ T5202] el0_svc+0x7c/0x1f0 [ 57.830855][ T5202] el0t_64_sync_handler+0x84/0xe4 [ 57.831993][ T5202] el0t_64_sync+0x1a0/0x1a4 [ 57.835241][ T5199] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.838305][ T5202] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.865295][ T5209] block nbd1: shutting down sockets executing program executing program [ 57.875936][ T5208] block nbd2: shutting down sockets [ 57.916525][ T5211] block nbd3: shutting down sockets [ 57.919508][ T5206] FAULT_INJECTION: forcing a failure. [ 57.919508][ T5206] name failslab, interval 1, probability 0, space 0, times 0 [ 57.922355][ T5206] CPU: 0 PID: 5206 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.924579][ T5206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.926884][ T5206] Call trace: [ 57.927644][ T5206] dump_backtrace+0x0/0x530 [ 57.928660][ T5206] show_stack+0x2c/0x3c [ 57.929460][ T5208] FAULT_INJECTION: forcing a failure. [ 57.929460][ T5208] name failslab, interval 1, probability 0, space 0, times 0 [ 57.929537][ T5206] dump_stack_lvl+0x108/0x170 [ 57.933260][ T5206] dump_stack+0x1c/0x58 [ 57.934216][ T5206] should_fail+0x3b8/0x514 [ 57.935141][ T5206] __should_failslab+0xbc/0x110 [ 57.936277][ T5206] should_failslab+0x10/0x28 [ 57.937303][ T5206] slab_pre_alloc_hook+0x64/0xe8 [ 57.938395][ T5206] __kmalloc_node+0xbc/0x5b8 [ 57.939474][ T5206] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.940719][ T5206] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.942085][ T5206] nbd_start_device+0x158/0xb34 [ 57.943201][ T5206] nbd_ioctl+0x420/0xc2c [ 57.944211][ T5206] blkdev_ioctl+0x3d8/0xbd0 [ 57.945177][ T5206] block_ioctl+0xa8/0x114 [ 57.946164][ T5206] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.947242][ T5206] invoke_syscall+0x98/0x2b8 [ 57.948266][ T5206] el0_svc_common+0x138/0x258 [ 57.949292][ T5206] do_el0_svc+0x58/0x14c [ 57.950241][ T5206] el0_svc+0x7c/0x1f0 [ 57.951132][ T5206] el0t_64_sync_handler+0x84/0xe4 [ 57.952263][ T5206] el0t_64_sync+0x1a0/0x1a4 [ 57.953212][ T5208] CPU: 1 PID: 5208 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 57.955507][ T5208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.955691][ T5206] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.957891][ T5208] Call trace: [ 57.957900][ T5208] dump_backtrace+0x0/0x530 [ 57.957917][ T5208] show_stack+0x2c/0x3c [ 57.957928][ T5208] dump_stack_lvl+0x108/0x170 [ 57.963188][ T5208] dump_stack+0x1c/0x58 [ 57.964154][ T5208] should_fail+0x3b8/0x514 [ 57.965161][ T5208] __should_failslab+0xbc/0x110 [ 57.966315][ T5208] should_failslab+0x10/0x28 [ 57.967418][ T5208] slab_pre_alloc_hook+0x64/0xe8 [ 57.968509][ T5208] __kmalloc_node+0xbc/0x5b8 [ 57.969556][ T5208] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 57.970743][ T5208] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 57.972065][ T5208] nbd_start_device+0x158/0xb34 [ 57.973269][ T5208] nbd_ioctl+0x420/0xc2c [ 57.974252][ T5208] blkdev_ioctl+0x3d8/0xbd0 [ 57.975233][ T5208] block_ioctl+0xa8/0x114 [ 57.976245][ T5208] __arm64_sys_ioctl+0x14c/0x1c8 [ 57.977427][ T5208] invoke_syscall+0x98/0x2b8 [ 57.978524][ T5208] el0_svc_common+0x138/0x258 [ 57.979544][ T5208] do_el0_svc+0x58/0x14c [ 57.980488][ T5208] el0_svc+0x7c/0x1f0 [ 57.981402][ T5208] el0t_64_sync_handler+0x84/0xe4 [ 57.982604][ T5208] el0t_64_sync+0x1a0/0x1a4 executing program [ 57.985659][ T5208] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 57.996344][ T5219] block nbd4: shutting down sockets [ 58.016071][ T5221] block nbd0: shutting down sockets executing program [ 58.020877][ T5211] FAULT_INJECTION: forcing a failure. [ 58.020877][ T5211] name failslab, interval 1, probability 0, space 0, times 0 [ 58.023817][ T5211] CPU: 1 PID: 5211 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.026196][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.028648][ T5211] Call trace: [ 58.029377][ T5211] dump_backtrace+0x0/0x530 [ 58.030440][ T5211] show_stack+0x2c/0x3c [ 58.031381][ T5211] dump_stack_lvl+0x108/0x170 [ 58.032535][ T5211] dump_stack+0x1c/0x58 [ 58.033557][ T5211] should_fail+0x3b8/0x514 [ 58.034661][ T5211] __should_failslab+0xbc/0x110 [ 58.035779][ T5211] should_failslab+0x10/0x28 [ 58.036929][ T5211] slab_pre_alloc_hook+0x64/0xe8 [ 58.038090][ T5211] __kmalloc_node+0xbc/0x5b8 [ 58.039058][ T5211] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.040338][ T5211] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.041753][ T5211] nbd_start_device+0x158/0xb34 [ 58.042899][ T5211] nbd_ioctl+0x420/0xc2c [ 58.043815][ T5211] blkdev_ioctl+0x3d8/0xbd0 [ 58.044810][ T5211] block_ioctl+0xa8/0x114 [ 58.045740][ T5211] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.046895][ T5211] invoke_syscall+0x98/0x2b8 [ 58.047941][ T5211] el0_svc_common+0x138/0x258 [ 58.049039][ T5211] do_el0_svc+0x58/0x14c [ 58.050013][ T5211] el0_svc+0x7c/0x1f0 [ 58.050887][ T5211] el0t_64_sync_handler+0x84/0xe4 [ 58.052063][ T5211] el0t_64_sync+0x1a0/0x1a4 [ 58.055322][ T5211] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.060409][ T5216] FAULT_INJECTION: forcing a failure. [ 58.060409][ T5216] name failslab, interval 1, probability 0, space 0, times 0 [ 58.066097][ T5216] CPU: 1 PID: 5216 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.068447][ T5216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.070758][ T5216] Call trace: [ 58.071489][ T5216] dump_backtrace+0x0/0x530 [ 58.072533][ T5216] show_stack+0x2c/0x3c [ 58.073560][ T5216] dump_stack_lvl+0x108/0x170 [ 58.074663][ T5216] dump_stack+0x1c/0x58 [ 58.075576][ T5216] should_fail+0x3b8/0x514 [ 58.076604][ T5216] __should_failslab+0xbc/0x110 [ 58.077633][ T5216] should_failslab+0x10/0x28 [ 58.078671][ T5216] slab_pre_alloc_hook+0x64/0xe8 [ 58.079841][ T5216] __kmalloc_node+0xbc/0x5b8 [ 58.081001][ T5216] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.082254][ T5216] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.083647][ T5216] nbd_start_device+0x158/0xb34 [ 58.084814][ T5216] nbd_ioctl+0x420/0xc2c [ 58.085852][ T5216] blkdev_ioctl+0x3d8/0xbd0 [ 58.086851][ T5216] block_ioctl+0xa8/0x114 [ 58.087859][ T5216] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.088824][ T5217] FAULT_INJECTION: forcing a failure. [ 58.088824][ T5217] name failslab, interval 1, probability 0, space 0, times 0 [ 58.088870][ T5216] invoke_syscall+0x98/0x2b8 [ 58.092680][ T5216] el0_svc_common+0x138/0x258 [ 58.093831][ T5216] do_el0_svc+0x58/0x14c [ 58.094800][ T5216] el0_svc+0x7c/0x1f0 [ 58.095739][ T5216] el0t_64_sync_handler+0x84/0xe4 [ 58.096904][ T5216] el0t_64_sync+0x1a0/0x1a4 [ 58.097976][ T5217] CPU: 0 PID: 5217 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.100397][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.102704][ T5217] Call trace: [ 58.103594][ T5217] dump_backtrace+0x0/0x530 [ 58.104705][ T5217] show_stack+0x2c/0x3c [ 58.105038][ T5216] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.105713][ T5217] dump_stack_lvl+0x108/0x170 [ 58.105730][ T5217] dump_stack+0x1c/0x58 [ 58.105739][ T5217] should_fail+0x3b8/0x514 [ 58.110327][ T5217] __should_failslab+0xbc/0x110 [ 58.111453][ T5217] should_failslab+0x10/0x28 [ 58.112566][ T5217] slab_pre_alloc_hook+0x64/0xe8 [ 58.113404][ T5220] block nbd1: shutting down sockets [ 58.113746][ T5217] __kmalloc_node+0xbc/0x5b8 [ 58.116053][ T5217] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.117301][ T5217] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.118583][ T5217] nbd_start_device+0x158/0xb34 [ 58.119701][ T5217] nbd_ioctl+0x420/0xc2c [ 58.120680][ T5217] blkdev_ioctl+0x3d8/0xbd0 [ 58.121578][ T5217] block_ioctl+0xa8/0x114 [ 58.122373][ T5217] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.123390][ T5217] invoke_syscall+0x98/0x2b8 [ 58.124496][ T5217] el0_svc_common+0x138/0x258 [ 58.125565][ T5217] do_el0_svc+0x58/0x14c [ 58.126578][ T5217] el0_svc+0x7c/0x1f0 [ 58.127508][ T5217] el0t_64_sync_handler+0x84/0xe4 [ 58.128632][ T5217] el0t_64_sync+0x1a0/0x1a4 executing program [ 58.133572][ T5217] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 58.158519][ T5223] block nbd2: shutting down sockets [ 58.166209][ T5220] FAULT_INJECTION: forcing a failure. [ 58.166209][ T5220] name failslab, interval 1, probability 0, space 0, times 0 [ 58.169176][ T5220] CPU: 0 PID: 5220 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.171335][ T5220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.173580][ T5220] Call trace: [ 58.174336][ T5220] dump_backtrace+0x0/0x530 [ 58.175388][ T5220] show_stack+0x2c/0x3c [ 58.176378][ T5220] dump_stack_lvl+0x108/0x170 [ 58.177464][ T5220] dump_stack+0x1c/0x58 [ 58.178423][ T5220] should_fail+0x3b8/0x514 [ 58.179444][ T5220] __should_failslab+0xbc/0x110 [ 58.180601][ T5220] should_failslab+0x10/0x28 [ 58.181697][ T5220] slab_pre_alloc_hook+0x64/0xe8 [ 58.182794][ T5220] __kmalloc_node+0xbc/0x5b8 [ 58.183915][ T5220] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.185212][ T5220] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.186567][ T5220] nbd_start_device+0x158/0xb34 [ 58.187654][ T5220] nbd_ioctl+0x420/0xc2c [ 58.188659][ T5220] blkdev_ioctl+0x3d8/0xbd0 [ 58.189652][ T5220] block_ioctl+0xa8/0x114 [ 58.190621][ T5220] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.191754][ T5220] invoke_syscall+0x98/0x2b8 [ 58.192852][ T5220] el0_svc_common+0x138/0x258 [ 58.193876][ T5220] do_el0_svc+0x58/0x14c [ 58.194914][ T5220] el0_svc+0x7c/0x1f0 [ 58.195854][ T5220] el0t_64_sync_handler+0x84/0xe4 [ 58.196941][ T5220] el0t_64_sync+0x1a0/0x1a4 [ 58.198234][ T5220] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.217751][ T5227] block nbd3: shutting down sockets executing program [ 58.228858][ T5223] FAULT_INJECTION: forcing a failure. [ 58.228858][ T5223] name failslab, interval 1, probability 0, space 0, times 0 [ 58.229385][ T5234] block nbd4: shutting down sockets [ 58.231871][ T5223] CPU: 1 PID: 5223 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.231890][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.231898][ T5223] Call trace: [ 58.231902][ T5223] dump_backtrace+0x0/0x530 [ 58.239328][ T5223] show_stack+0x2c/0x3c [ 58.240279][ T5223] dump_stack_lvl+0x108/0x170 [ 58.241456][ T5223] dump_stack+0x1c/0x58 [ 58.242383][ T5223] should_fail+0x3b8/0x514 [ 58.243453][ T5223] __should_failslab+0xbc/0x110 [ 58.244612][ T5223] should_failslab+0x10/0x28 [ 58.245635][ T5223] slab_pre_alloc_hook+0x64/0xe8 [ 58.245903][ T5231] block nbd0: shutting down sockets [ 58.246822][ T5223] __kmalloc_node+0xbc/0x5b8 [ 58.246839][ T5223] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.246852][ T5223] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.246864][ T5223] nbd_start_device+0x158/0xb34 [ 58.246876][ T5223] nbd_ioctl+0x420/0xc2c [ 58.253517][ T5223] blkdev_ioctl+0x3d8/0xbd0 [ 58.254603][ T5223] block_ioctl+0xa8/0x114 [ 58.255663][ T5223] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.256913][ T5223] invoke_syscall+0x98/0x2b8 [ 58.258051][ T5223] el0_svc_common+0x138/0x258 [ 58.259154][ T5223] do_el0_svc+0x58/0x14c [ 58.260147][ T5223] el0_svc+0x7c/0x1f0 [ 58.261095][ T5223] el0t_64_sync_handler+0x84/0xe4 [ 58.262279][ T5223] el0t_64_sync+0x1a0/0x1a4 [ 58.264580][ T5223] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.270535][ T5231] FAULT_INJECTION: forcing a failure. [ 58.270535][ T5231] name failslab, interval 1, probability 0, space 0, times 0 [ 58.275251][ T5231] CPU: 1 PID: 5231 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.277495][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.279884][ T5231] Call trace: [ 58.280663][ T5231] dump_backtrace+0x0/0x530 [ 58.281683][ T5231] show_stack+0x2c/0x3c [ 58.282632][ T5231] dump_stack_lvl+0x108/0x170 [ 58.283791][ T5231] dump_stack+0x1c/0x58 [ 58.284783][ T5231] should_fail+0x3b8/0x514 [ 58.285839][ T5231] __should_failslab+0xbc/0x110 [ 58.287013][ T5231] should_failslab+0x10/0x28 [ 58.288094][ T5231] slab_pre_alloc_hook+0x64/0xe8 [ 58.288631][ T5229] FAULT_INJECTION: forcing a failure. [ 58.288631][ T5229] name failslab, interval 1, probability 0, space 0, times 0 [ 58.289182][ T5231] __kmalloc_node+0xbc/0x5b8 [ 58.293189][ T5231] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.294508][ T5231] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.295839][ T5231] nbd_start_device+0x158/0xb34 [ 58.296954][ T5231] nbd_ioctl+0x420/0xc2c [ 58.297958][ T5231] blkdev_ioctl+0x3d8/0xbd0 [ 58.299020][ T5231] block_ioctl+0xa8/0x114 [ 58.300091][ T5231] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.301195][ T5231] invoke_syscall+0x98/0x2b8 [ 58.302247][ T5231] el0_svc_common+0x138/0x258 [ 58.303349][ T5231] do_el0_svc+0x58/0x14c [ 58.304405][ T5231] el0_svc+0x7c/0x1f0 [ 58.305398][ T5231] el0t_64_sync_handler+0x84/0xe4 [ 58.306555][ T5231] el0t_64_sync+0x1a0/0x1a4 [ 58.313911][ T5227] FAULT_INJECTION: forcing a failure. [ 58.313911][ T5227] name failslab, interval 1, probability 0, space 0, times 0 [ 58.317664][ T5231] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.319437][ T5235] block nbd1: shutting down sockets [ 58.319647][ T5227] CPU: 1 PID: 5227 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.322758][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.325183][ T5227] Call trace: [ 58.325918][ T5227] dump_backtrace+0x0/0x530 [ 58.326920][ T5227] show_stack+0x2c/0x3c [ 58.327941][ T5227] dump_stack_lvl+0x108/0x170 [ 58.329020][ T5227] dump_stack+0x1c/0x58 [ 58.330054][ T5227] should_fail+0x3b8/0x514 [ 58.331065][ T5227] __should_failslab+0xbc/0x110 [ 58.332223][ T5227] should_failslab+0x10/0x28 [ 58.333325][ T5227] slab_pre_alloc_hook+0x64/0xe8 [ 58.334430][ T5227] __kmalloc_node+0xbc/0x5b8 [ 58.335561][ T5227] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.336757][ T5227] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.338045][ T5227] nbd_start_device+0x158/0xb34 [ 58.339225][ T5227] nbd_ioctl+0x420/0xc2c [ 58.340207][ T5227] blkdev_ioctl+0x3d8/0xbd0 [ 58.341228][ T5227] block_ioctl+0xa8/0x114 [ 58.342247][ T5227] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.343435][ T5227] invoke_syscall+0x98/0x2b8 [ 58.344591][ T5227] el0_svc_common+0x138/0x258 [ 58.345704][ T5227] do_el0_svc+0x58/0x14c [ 58.346719][ T5227] el0_svc+0x7c/0x1f0 [ 58.347693][ T5227] el0t_64_sync_handler+0x84/0xe4 [ 58.348757][ T5227] el0t_64_sync+0x1a0/0x1a4 [ 58.349739][ T5229] CPU: 0 PID: 5229 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.351990][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.354229][ T5229] Call trace: [ 58.355037][ T5229] dump_backtrace+0x0/0x530 [ 58.356105][ T5229] show_stack+0x2c/0x3c [ 58.357126][ T5229] dump_stack_lvl+0x108/0x170 [ 58.358249][ T5229] dump_stack+0x1c/0x58 [ 58.359192][ T5229] should_fail+0x3b8/0x514 [ 58.360180][ T5229] __should_failslab+0xbc/0x110 [ 58.361295][ T5229] should_failslab+0x10/0x28 [ 58.362372][ T5229] slab_pre_alloc_hook+0x64/0xe8 [ 58.363000][ T5227] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.363470][ T5229] __kmalloc_node+0xbc/0x5b8 [ 58.365987][ T5229] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.367166][ T5229] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.368489][ T5229] nbd_start_device+0x158/0xb34 [ 58.369620][ T5229] nbd_ioctl+0x420/0xc2c [ 58.370582][ T5229] blkdev_ioctl+0x3d8/0xbd0 [ 58.371642][ T5229] block_ioctl+0xa8/0x114 [ 58.372641][ T5229] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.373732][ T5229] invoke_syscall+0x98/0x2b8 [ 58.374736][ T5229] el0_svc_common+0x138/0x258 [ 58.375784][ T5229] do_el0_svc+0x58/0x14c [ 58.376783][ T5229] el0_svc+0x7c/0x1f0 [ 58.377697][ T5229] el0t_64_sync_handler+0x84/0xe4 [ 58.378819][ T5229] el0t_64_sync+0x1a0/0x1a4 executing program [ 58.382969][ T5229] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.409932][ T5235] FAULT_INJECTION: forcing a failure. [ 58.409932][ T5235] name failslab, interval 1, probability 0, space 0, times 0 [ 58.412770][ T5235] CPU: 1 PID: 5235 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.415044][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.417349][ T5235] Call trace: [ 58.418145][ T5235] dump_backtrace+0x0/0x530 [ 58.419151][ T5235] show_stack+0x2c/0x3c [ 58.420117][ T5235] dump_stack_lvl+0x108/0x170 [ 58.421259][ T5235] dump_stack+0x1c/0x58 [ 58.422214][ T5235] should_fail+0x3b8/0x514 [ 58.423299][ T5235] __should_failslab+0xbc/0x110 [ 58.424401][ T5235] should_failslab+0x10/0x28 [ 58.425536][ T5235] slab_pre_alloc_hook+0x64/0xe8 [ 58.426682][ T5235] __kmalloc_node+0xbc/0x5b8 [ 58.427731][ T5235] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.428993][ T5235] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.430297][ T5235] nbd_start_device+0x158/0xb34 [ 58.431364][ T5235] nbd_ioctl+0x420/0xc2c [ 58.432397][ T5235] blkdev_ioctl+0x3d8/0xbd0 [ 58.433431][ T5235] block_ioctl+0xa8/0x114 [ 58.434337][ T5235] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.435390][ T5235] invoke_syscall+0x98/0x2b8 [ 58.436446][ T5235] el0_svc_common+0x138/0x258 [ 58.437615][ T5235] do_el0_svc+0x58/0x14c [ 58.438671][ T5235] el0_svc+0x7c/0x1f0 [ 58.439585][ T5235] el0t_64_sync_handler+0x84/0xe4 [ 58.440754][ T5235] el0t_64_sync+0x1a0/0x1a4 [ 58.445453][ T5239] block nbd2: shutting down sockets executing program [ 58.496284][ T5235] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program executing program [ 58.511761][ T5239] FAULT_INJECTION: forcing a failure. [ 58.511761][ T5239] name failslab, interval 1, probability 0, space 0, times 0 [ 58.514592][ T5239] CPU: 1 PID: 5239 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.516961][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 executing program [ 58.519327][ T5239] Call trace: [ 58.520157][ T5239] dump_backtrace+0x0/0x530 [ 58.521262][ T5239] show_stack+0x2c/0x3c [ 58.522313][ T5239] dump_stack_lvl+0x108/0x170 [ 58.523328][ T5239] dump_stack+0x1c/0x58 [ 58.524250][ T5239] should_fail+0x3b8/0x514 [ 58.525255][ T5239] __should_failslab+0xbc/0x110 [ 58.526380][ T5239] should_failslab+0x10/0x28 [ 58.527470][ T5239] slab_pre_alloc_hook+0x64/0xe8 [ 58.528665][ T5239] __kmalloc_node+0xbc/0x5b8 [ 58.529628][ T5239] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.530877][ T5239] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.532208][ T5239] nbd_start_device+0x158/0xb34 [ 58.533275][ T5239] nbd_ioctl+0x420/0xc2c [ 58.534286][ T5239] blkdev_ioctl+0x3d8/0xbd0 [ 58.535328][ T5239] block_ioctl+0xa8/0x114 [ 58.536401][ T5239] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.537544][ T5239] invoke_syscall+0x98/0x2b8 [ 58.538589][ T5239] el0_svc_common+0x138/0x258 [ 58.539721][ T5239] do_el0_svc+0x58/0x14c [ 58.540733][ T5239] el0_svc+0x7c/0x1f0 [ 58.541668][ T5239] el0t_64_sync_handler+0x84/0xe4 [ 58.542915][ T5239] el0t_64_sync+0x1a0/0x1a4 [ 58.547185][ T5239] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 58.595542][ T5245] block nbd4: shutting down sockets [ 58.625583][ T5249] block nbd0: shutting down sockets [ 58.625990][ T5250] block nbd3: shutting down sockets [ 58.636022][ T5253] block nbd1: shutting down sockets [ 58.642824][ T5245] FAULT_INJECTION: forcing a failure. [ 58.642824][ T5245] name failslab, interval 1, probability 0, space 0, times 0 [ 58.645707][ T5245] CPU: 0 PID: 5245 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.647873][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.650009][ T5245] Call trace: [ 58.650725][ T5245] dump_backtrace+0x0/0x530 [ 58.651800][ T5245] show_stack+0x2c/0x3c [ 58.652708][ T5245] dump_stack_lvl+0x108/0x170 [ 58.653745][ T5245] dump_stack+0x1c/0x58 [ 58.654684][ T5245] should_fail+0x3b8/0x514 [ 58.655699][ T5245] __should_failslab+0xbc/0x110 [ 58.656802][ T5245] should_failslab+0x10/0x28 [ 58.657869][ T5245] slab_pre_alloc_hook+0x64/0xe8 [ 58.659020][ T5245] __kmalloc_node+0xbc/0x5b8 [ 58.660157][ T5245] blk_mq_update_nr_hw_queues+0x598/0xc58 [ 58.661557][ T5245] nbd_start_device+0x158/0xb34 [ 58.662687][ T5245] nbd_ioctl+0x420/0xc2c [ 58.663713][ T5245] blkdev_ioctl+0x3d8/0xbd0 [ 58.664747][ T5245] block_ioctl+0xa8/0x114 [ 58.665781][ T5245] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.666877][ T5245] invoke_syscall+0x98/0x2b8 [ 58.667943][ T5245] el0_svc_common+0x138/0x258 [ 58.668985][ T5245] do_el0_svc+0x58/0x14c [ 58.669877][ T5245] el0_svc+0x7c/0x1f0 [ 58.670726][ T5245] el0t_64_sync_handler+0x84/0xe4 [ 58.671836][ T5245] el0t_64_sync+0x1a0/0x1a4 executing program [ 58.694851][ T5248] FAULT_INJECTION: forcing a failure. [ 58.694851][ T5248] name failslab, interval 1, probability 0, space 0, times 0 [ 58.700324][ T5248] CPU: 0 PID: 5248 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.702358][ T5241] FAULT_INJECTION: forcing a failure. [ 58.702358][ T5241] name failslab, interval 1, probability 0, space 0, times 0 [ 58.702588][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.707715][ T5248] Call trace: [ 58.708418][ T5248] dump_backtrace+0x0/0x530 [ 58.708566][ T5252] block nbd2: shutting down sockets [ 58.709526][ T5248] show_stack+0x2c/0x3c [ 58.709544][ T5248] dump_stack_lvl+0x108/0x170 [ 58.709556][ T5248] dump_stack+0x1c/0x58 [ 58.713726][ T5248] should_fail+0x3b8/0x514 [ 58.714741][ T5248] __should_failslab+0xbc/0x110 [ 58.715881][ T5248] should_failslab+0x10/0x28 [ 58.716921][ T5248] slab_pre_alloc_hook+0x64/0xe8 [ 58.718051][ T5248] __kmalloc_node+0xbc/0x5b8 [ 58.719083][ T5248] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.720369][ T5248] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.721683][ T5248] nbd_start_device+0x158/0xb34 [ 58.722891][ T5248] nbd_ioctl+0x420/0xc2c [ 58.723913][ T5248] blkdev_ioctl+0x3d8/0xbd0 [ 58.724937][ T5248] block_ioctl+0xa8/0x114 [ 58.725839][ T5248] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.726085][ T5244] FAULT_INJECTION: forcing a failure. [ 58.726085][ T5244] name failslab, interval 1, probability 0, space 0, times 0 [ 58.727008][ T5248] invoke_syscall+0x98/0x2b8 [ 58.727035][ T5248] el0_svc_common+0x138/0x258 [ 58.732035][ T5248] do_el0_svc+0x58/0x14c [ 58.733059][ T5248] el0_svc+0x7c/0x1f0 [ 58.734056][ T5248] el0t_64_sync_handler+0x84/0xe4 [ 58.735326][ T5248] el0t_64_sync+0x1a0/0x1a4 [ 58.739415][ T5241] CPU: 0 PID: 5241 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.740643][ T5248] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.741587][ T5241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.741600][ T5241] Call trace: [ 58.741604][ T5241] dump_backtrace+0x0/0x530 [ 58.747118][ T5241] show_stack+0x2c/0x3c [ 58.748152][ T5241] dump_stack_lvl+0x108/0x170 [ 58.749306][ T5241] dump_stack+0x1c/0x58 [ 58.750316][ T5241] should_fail+0x3b8/0x514 [ 58.751266][ T5241] __should_failslab+0xbc/0x110 [ 58.752322][ T5241] should_failslab+0x10/0x28 [ 58.753311][ T5241] slab_pre_alloc_hook+0x64/0xe8 [ 58.754500][ T5241] __kmalloc_node+0xbc/0x5b8 [ 58.755525][ T5241] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.756775][ T5241] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.758199][ T5241] nbd_start_device+0x158/0xb34 [ 58.759288][ T5241] nbd_ioctl+0x420/0xc2c [ 58.760294][ T5241] blkdev_ioctl+0x3d8/0xbd0 [ 58.761318][ T5241] block_ioctl+0xa8/0x114 [ 58.762442][ T5241] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.763694][ T5241] invoke_syscall+0x98/0x2b8 [ 58.764728][ T5241] el0_svc_common+0x138/0x258 [ 58.765746][ T5241] do_el0_svc+0x58/0x14c [ 58.766661][ T5241] el0_svc+0x7c/0x1f0 [ 58.767517][ T5241] el0t_64_sync_handler+0x84/0xe4 [ 58.768606][ T5241] el0t_64_sync+0x1a0/0x1a4 [ 58.769782][ T5244] CPU: 1 PID: 5244 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.772263][ T5244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.774577][ T5244] Call trace: [ 58.775435][ T5244] dump_backtrace+0x0/0x530 [ 58.776514][ T5244] show_stack+0x2c/0x3c [ 58.777442][ T5244] dump_stack_lvl+0x108/0x170 [ 58.778469][ T5244] dump_stack+0x1c/0x58 [ 58.779477][ T5244] should_fail+0x3b8/0x514 [ 58.780478][ T5244] __should_failslab+0xbc/0x110 [ 58.781579][ T5244] should_failslab+0x10/0x28 [ 58.782615][ T5244] slab_pre_alloc_hook+0x64/0xe8 [ 58.783738][ T5244] __kmalloc_node+0xbc/0x5b8 [ 58.784761][ T5244] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.785256][ T5241] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.786047][ T5244] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.788829][ T5244] nbd_start_device+0x158/0xb34 [ 58.789932][ T5244] nbd_ioctl+0x420/0xc2c [ 58.790917][ T5244] blkdev_ioctl+0x3d8/0xbd0 [ 58.791915][ T5244] block_ioctl+0xa8/0x114 [ 58.792904][ T5244] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.794007][ T5244] invoke_syscall+0x98/0x2b8 [ 58.795069][ T5244] el0_svc_common+0x138/0x258 [ 58.796162][ T5244] do_el0_svc+0x58/0x14c [ 58.797079][ T5244] el0_svc+0x7c/0x1f0 [ 58.797960][ T5244] el0t_64_sync_handler+0x84/0xe4 [ 58.799102][ T5244] el0t_64_sync+0x1a0/0x1a4 executing program [ 58.803116][ T5244] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.813920][ T5252] FAULT_INJECTION: forcing a failure. [ 58.813920][ T5252] name failslab, interval 1, probability 0, space 0, times 0 [ 58.817345][ T5252] CPU: 1 PID: 5252 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.819528][ T5252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.821796][ T5252] Call trace: [ 58.822527][ T5252] dump_backtrace+0x0/0x530 [ 58.823559][ T5252] show_stack+0x2c/0x3c [ 58.824493][ T5252] dump_stack_lvl+0x108/0x170 [ 58.825649][ T5252] dump_stack+0x1c/0x58 [ 58.826626][ T5252] should_fail+0x3b8/0x514 [ 58.827675][ T5252] __should_failslab+0xbc/0x110 [ 58.828789][ T5252] should_failslab+0x10/0x28 [ 58.829769][ T5252] slab_pre_alloc_hook+0x64/0xe8 [ 58.830818][ T5252] __kmalloc_node+0xbc/0x5b8 [ 58.831822][ T5252] blk_mq_realloc_hw_ctxs+0xc4/0x12ec executing program [ 58.832976][ T5252] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.834227][ T5252] nbd_start_device+0x158/0xb34 [ 58.835408][ T5252] nbd_ioctl+0x420/0xc2c executing program [ 58.836368][ T5252] blkdev_ioctl+0x3d8/0xbd0 [ 58.837413][ T5252] block_ioctl+0xa8/0x114 [ 58.838424][ T5252] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.839467][ T5252] invoke_syscall+0x98/0x2b8 [ 58.840501][ T5252] el0_svc_common+0x138/0x258 [ 58.841519][ T5252] do_el0_svc+0x58/0x14c [ 58.842441][ T5252] el0_svc+0x7c/0x1f0 [ 58.843336][ T5252] el0t_64_sync_handler+0x84/0xe4 [ 58.844430][ T5252] el0t_64_sync+0x1a0/0x1a4 [ 58.846337][ T5252] Increasing nr_hw_queues to 2 fails, fallback to 1 executing program [ 58.868193][ T5257] block nbd4: shutting down sockets [ 58.875715][ T5260] block nbd1: shutting down sockets [ 58.895928][ T5263] block nbd0: shutting down sockets [ 58.898845][ T5257] FAULT_INJECTION: forcing a failure. [ 58.898845][ T5257] name failslab, interval 1, probability 0, space 0, times 0 [ 58.901953][ T5257] CPU: 1 PID: 5257 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.904256][ T5257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.905113][ T5264] block nbd3: shutting down sockets [ 58.906532][ T5257] Call trace: [ 58.908441][ T5257] dump_backtrace+0x0/0x530 [ 58.909436][ T5257] show_stack+0x2c/0x3c [ 58.910457][ T5257] dump_stack_lvl+0x108/0x170 [ 58.911489][ T5257] dump_stack+0x1c/0x58 [ 58.912515][ T5257] should_fail+0x3b8/0x514 [ 58.913533][ T5257] __should_failslab+0xbc/0x110 [ 58.914619][ T5257] should_failslab+0x10/0x28 [ 58.915608][ T5257] slab_pre_alloc_hook+0x64/0xe8 [ 58.916693][ T5257] __kmalloc_node+0xbc/0x5b8 [ 58.917694][ T5257] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.918880][ T5257] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.920190][ T5257] nbd_start_device+0x158/0xb34 [ 58.921283][ T5257] nbd_ioctl+0x420/0xc2c [ 58.922215][ T5257] blkdev_ioctl+0x3d8/0xbd0 [ 58.923216][ T5257] block_ioctl+0xa8/0x114 [ 58.924226][ T5257] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.925344][ T5257] invoke_syscall+0x98/0x2b8 [ 58.926351][ T5257] el0_svc_common+0x138/0x258 [ 58.927422][ T5257] do_el0_svc+0x58/0x14c [ 58.928390][ T5257] el0_svc+0x7c/0x1f0 [ 58.929277][ T5257] el0t_64_sync_handler+0x84/0xe4 [ 58.930397][ T5257] el0t_64_sync+0x1a0/0x1a4 [ 58.932465][ T5257] Increasing nr_hw_queues to 2 fails, fallback to 1 [ 58.938782][ T5260] FAULT_INJECTION: forcing a failure. [ 58.938782][ T5260] name failslab, interval 1, probability 0, space 0, times 0 [ 58.941616][ T5260] CPU: 1 PID: 5260 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.943840][ T5260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.946107][ T5260] Call trace: [ 58.946809][ T5260] dump_backtrace+0x0/0x530 [ 58.947839][ T5260] show_stack+0x2c/0x3c [ 58.948743][ T5260] dump_stack_lvl+0x108/0x170 [ 58.949707][ T5260] dump_stack+0x1c/0x58 [ 58.950673][ T5260] should_fail+0x3b8/0x514 [ 58.951735][ T5260] __should_failslab+0xbc/0x110 [ 58.952838][ T5260] should_failslab+0x10/0x28 [ 58.953893][ T5260] slab_pre_alloc_hook+0x64/0xe8 [ 58.955020][ T5260] __kmalloc_node+0xbc/0x5b8 [ 58.955986][ T5260] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.957172][ T5260] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.958478][ T5260] nbd_start_device+0x158/0xb34 [ 58.959666][ T5260] nbd_ioctl+0x420/0xc2c [ 58.960602][ T5260] blkdev_ioctl+0x3d8/0xbd0 [ 58.961588][ T5260] block_ioctl+0xa8/0x114 [ 58.962625][ T5260] __arm64_sys_ioctl+0x14c/0x1c8 [ 58.963766][ T5260] invoke_syscall+0x98/0x2b8 [ 58.964807][ T5260] el0_svc_common+0x138/0x258 [ 58.966000][ T5260] do_el0_svc+0x58/0x14c [ 58.966976][ T5260] el0_svc+0x7c/0x1f0 [ 58.967879][ T5260] el0t_64_sync_handler+0x84/0xe4 [ 58.969174][ T5260] el0t_64_sync+0x1a0/0x1a4 [ 58.970723][ T5267] block nbd2: shutting down sockets [ 58.978860][ T5263] FAULT_INJECTION: forcing a failure. [ 58.978860][ T5263] name failslab, interval 1, probability 0, space 0, times 0 [ 58.981786][ T5263] CPU: 0 PID: 5263 Comm: syz-executor107 Tainted: G W 5.15.148-syzkaller #0 [ 58.983991][ T5263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 58.986409][ T5263] Call trace: [ 58.987101][ T5263] dump_backtrace+0x0/0x530 [ 58.988201][ T5263] show_stack+0x2c/0x3c [ 58.989127][ T5263] dump_stack_lvl+0x108/0x170 [ 58.990232][ T5263] dump_stack+0x1c/0x58 [ 58.991134][ T5263] should_fail+0x3b8/0x514 [ 58.992117][ T5263] __should_failslab+0xbc/0x110 [ 58.993247][ T5263] should_failslab+0x10/0x28 [ 58.994334][ T5263] slab_pre_alloc_hook+0x64/0xe8 [ 58.995483][ T5263] __kmalloc_node+0xbc/0x5b8 [ 58.996552][ T5263] blk_mq_realloc_hw_ctxs+0xc4/0x12ec [ 58.997728][ T5263] blk_mq_update_nr_hw_queues+0x68c/0xc58 [ 58.999002][ T5263] nbd_start_device+0x158/0xb34 [ 59.000211][ T5263] nbd_ioctl+0x420/0xc2c [ 59.001018][ T5264] FAULT_INJECTION: forcing a failure. [ 59.001018][ T5264] name failslab, interval 1, probability 0, space 0, times 0 [ 59.001168][ T5263] blkdev_ioctl+0x3d8/0xbd0 [ 59.001183][ T5263] block_ioctl+0xa8/0x114 [ 59.001194][ T5263] __arm64_sys_ioctl+0x14c/0x1c8 [ 59.007265][ T5263] invoke_syscall+0x98/0x2b8 [ 59.008307][ T5263] el0_svc_common+0x138/0x258 [ 59.009384][ T5263] do_el0_svc+0x58/0x14c [ 59.010315][ T5263] el0_svc+0x7c/0x1f0 [ 59.011224][ T5263] el0t_64_sync_handler+0x84/0xe4 [ 59.012380][ T5263] el0t_64_sync+0x1a0/0x1a4