[  407.877241][T27267] block nbd2: shutting down sockets
[  407.888003][T27265] FAULT_INJECTION: forcing a failure.
[  407.888003][T27265] name failslab, interval 1, probability 0, space 0, times 0
[  407.890099][T27265] CPU: 1 PID: 27265 Comm: syz-executor.0 Not tainted syzkaller #0
[  407.891387][T27265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  407.893117][T27265] Call trace:
[  407.893645][T27265]  dump_backtrace+0x0/0x43c
[  407.894382][T27265]  show_stack+0x2c/0x3c
[  407.895059][T27265]  __dump_stack+0x30/0x40
[  407.895783][T27265]  dump_stack_lvl+0xf8/0x160
[  407.896480][T27265]  dump_stack+0x1c/0x5c
[  407.897129][T27265]  should_fail+0x3c0/0x51c
[  407.897838][T27265]  __should_failslab+0xbc/0x10c
[  407.898589][T27265]  should_failslab+0x10/0x28
[  407.899286][T27265]  slab_pre_alloc_hook+0x64/0xec
[  407.900087][T27265]  __kmalloc_node+0xb8/0x520
[  407.900802][T27265]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  407.901609][T27265]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  407.902430][T27265]  nbd_start_device+0x14c/0xb40
[  407.903164][T27265]  nbd_ioctl+0x514/0xc50
[  407.903814][T27265]  blkdev_ioctl+0x5f8/0xbb8
[  407.904494][T27265]  block_ioctl+0xa4/0x118
[  407.905174][T27265]  __arm64_sys_ioctl+0x14c/0x1c8
[  407.905956][T27265]  invoke_syscall+0x98/0x2b8
[  407.906677][T27265]  el0_svc_common+0x138/0x258
[  407.907423][T27265]  do_el0_svc+0x58/0x14c
[  407.908119][T27265]  el0_svc+0x78/0x1e0
[  407.908742][T27265]  el0t_64_sync_handler+0xcc/0xe4
[  407.909520][T27265]  el0t_64_sync+0x1a0/0x1a4
[  407.911848][T27269] block nbd1: shutting down sockets
[  407.917511][T27265] Increasing nr_hw_queues to 2 fails, fallback to 1
[  407.936978][T27276] block nbd3: shutting down sockets
[  407.938227][T27267] FAULT_INJECTION: forcing a failure.
[  407.938227][T27267] name failslab, interval 1, probability 0, space 0, times 0
[  407.940183][T27267] CPU: 0 PID: 27267 Comm: syz-executor.2 Not tainted syzkaller #0
[  407.941432][T27267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  407.942920][T27267] Call trace:
[  407.943412][T27267]  dump_backtrace+0x0/0x43c
[  407.944057][T27267]  show_stack+0x2c/0x3c
[  407.944686][T27267]  __dump_stack+0x30/0x40
[  407.945323][T27267]  dump_stack_lvl+0xf8/0x160
[  407.946093][T27267]  dump_stack+0x1c/0x5c
[  407.946773][T27267]  should_fail+0x3c0/0x51c
[  407.947490][T27267]  __should_failslab+0xbc/0x10c
[  407.948322][T27267]  should_failslab+0x10/0x28
[  407.949112][T27267]  slab_pre_alloc_hook+0x64/0xec
[  407.949892][T27267]  __kmalloc_node+0xb8/0x520
[  407.950626][T27267]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  407.951460][T27267]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  407.952393][T27267]  nbd_start_device+0x14c/0xb40
[  407.953204][T27267]  nbd_ioctl+0x514/0xc50
[  407.953904][T27267]  blkdev_ioctl+0x5f8/0xbb8
[  407.954656][T27267]  block_ioctl+0xa4/0x118
[  407.955346][T27267]  __arm64_sys_ioctl+0x14c/0x1c8
[  407.956167][T27267]  invoke_syscall+0x98/0x2b8
[  407.956947][T27267]  el0_svc_common+0x138/0x258
[  407.957692][T27267]  do_el0_svc+0x58/0x14c
[  407.958354][T27267]  el0_svc+0x78/0x1e0
[  407.958971][T27267]  el0t_64_sync_handler+0xcc/0xe4
[  407.959745][T27267]  el0t_64_sync+0x1a0/0x1a4
[  407.961657][T27267] Increasing nr_hw_queues to 2 fails, fallback to 1
[  407.969064][T27269] FAULT_INJECTION: forcing a failure.
[  407.969064][T27269] name failslab, interval 1, probability 0, space 0, times 0
[  407.971103][T27269] CPU: 1 PID: 27269 Comm: syz-executor.1 Not tainted syzkaller #0
[  407.972315][T27269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  407.973873][T27269] Call trace:
[  407.974410][T27269]  dump_backtrace+0x0/0x43c
[  407.975128][T27269]  show_stack+0x2c/0x3c
[  407.975784][T27269]  __dump_stack+0x30/0x40
[  407.976471][T27269]  dump_stack_lvl+0xf8/0x160
[  407.977227][T27269]  dump_stack+0x1c/0x5c
[  407.977903][T27269]  should_fail+0x3c0/0x51c
[  407.978626][T27269]  __should_failslab+0xbc/0x10c
[  407.978729][T27274] block nbd4: shutting down sockets
[  407.979375][T27269]  should_failslab+0x10/0x28
[  407.980976][T27269]  slab_pre_alloc_hook+0x64/0xec
[  407.981788][T27269]  __kmalloc_node+0xb8/0x520
[  407.982481][T27269]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  407.983300][T27269]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  407.984272][T27269]  nbd_start_device+0x14c/0xb40
[  407.985075][T27269]  nbd_ioctl+0x514/0xc50
[  407.985776][T27269]  blkdev_ioctl+0x5f8/0xbb8
[  407.986503][T27269]  block_ioctl+0xa4/0x118
[  407.987263][T27269]  __arm64_sys_ioctl+0x14c/0x1c8
[  407.988123][T27269]  invoke_syscall+0x98/0x2b8
[  407.988911][T27269]  el0_svc_common+0x138/0x258
[  407.989730][T27269]  do_el0_svc+0x58/0x14c
[  407.990393][T27269]  el0_svc+0x78/0x1e0
[  407.991033][T27269]  el0t_64_sync_handler+0xcc/0xe4
[  407.991839][T27269]  el0t_64_sync+0x1a0/0x1a4
[  407.995362][T27271] FAULT_INJECTION: forcing a failure.
[  407.995362][T27271] name failslab, interval 1, probability 0, space 0, times 0
[  408.000674][T27271] CPU: 1 PID: 27271 Comm: syz-executor.3 Not tainted syzkaller #0
[  408.001373][T27269] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.001897][T27271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.004596][T27271] Call trace:
[  408.005108][T27271]  dump_backtrace+0x0/0x43c
[  408.005801][T27271]  show_stack+0x2c/0x3c
[  408.006477][T27271]  __dump_stack+0x30/0x40
[  408.007192][T27271]  dump_stack_lvl+0xf8/0x160
[  408.007965][T27271]  dump_stack+0x1c/0x5c
[  408.008598][T27271]  should_fail+0x3c0/0x51c
[  408.009251][T27271]  __should_failslab+0xbc/0x10c
[  408.009955][T27271]  should_failslab+0x10/0x28
[  408.010598][T27271]  slab_pre_alloc_hook+0x64/0xec
[  408.011309][T27271]  __kmalloc_node+0xb8/0x520
[  408.012087][T27271]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.012919][T27271]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.013739][T27271]  nbd_start_device+0x14c/0xb40
[  408.014470][T27271]  nbd_ioctl+0x514/0xc50
[  408.015128][T27271]  blkdev_ioctl+0x5f8/0xbb8
[  408.015824][T27271]  block_ioctl+0xa4/0x118
[  408.016474][T27271]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.017237][T27271]  invoke_syscall+0x98/0x2b8
[  408.017940][T27271]  el0_svc_common+0x138/0x258
[  408.018733][T27271]  do_el0_svc+0x58/0x14c
[  408.019360][T27271]  el0_svc+0x78/0x1e0
[  408.019949][T27271]  el0t_64_sync_handler+0xcc/0xe4
[  408.020683][T27271]  el0t_64_sync+0x1a0/0x1a4
[  408.026155][T27271] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.031495][T27273] FAULT_INJECTION: forcing a failure.
[  408.031495][T27273] name failslab, interval 1, probability 0, space 0, times 0
[  408.040070][T27273] CPU: 0 PID: 27273 Comm: syz-executor.4 Not tainted syzkaller #0
[  408.041379][T27273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.042991][T27273] Call trace:
[  408.043517][T27273]  dump_backtrace+0x0/0x43c
[  408.044247][T27273]  show_stack+0x2c/0x3c
[  408.044935][T27273]  __dump_stack+0x30/0x40
[  408.045635][T27273]  dump_stack_lvl+0xf8/0x160
[  408.046339][T27273]  dump_stack+0x1c/0x5c
[  408.047005][T27273]  should_fail+0x3c0/0x51c
[  408.047705][T27273]  __should_failslab+0xbc/0x10c
[  408.048470][T27273]  should_failslab+0x10/0x28
[  408.049233][T27273]  slab_pre_alloc_hook+0x64/0xec
[  408.050021][T27273]  __kmalloc_node+0xb8/0x520
[  408.050716][T27273]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.051537][T27273]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.052417][T27273]  nbd_start_device+0x14c/0xb40
[  408.053147][T27273]  nbd_ioctl+0x514/0xc50
[  408.053809][T27273]  blkdev_ioctl+0x5f8/0xbb8
[  408.054477][T27273]  block_ioctl+0xa4/0x118
[  408.055128][T27273]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.055889][T27273]  invoke_syscall+0x98/0x2b8
[  408.056610][T27273]  el0_svc_common+0x138/0x258
[  408.057326][T27273]  do_el0_svc+0x58/0x14c
[  408.058021][T27273]  el0_svc+0x78/0x1e0
[  408.058679][T27273]  el0t_64_sync_handler+0xcc/0xe4
[  408.059517][T27273]  el0t_64_sync+0x1a0/0x1a4
[  408.064649][T27287] block nbd0: shutting down sockets
[  408.076581][T27273] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.096463][T27282] block nbd3: shutting down sockets
[  408.097795][T27285] block nbd2: shutting down sockets
[  408.099004][T27286] block nbd1: shutting down sockets
[  408.118131][T27279] FAULT_INJECTION: forcing a failure.
[  408.118131][T27279] name failslab, interval 1, probability 0, space 0, times 0
[  408.120443][T27279] CPU: 0 PID: 27279 Comm: syz-executor.0 Not tainted syzkaller #0
[  408.121742][T27279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.123392][T27279] Call trace:
[  408.123928][T27279]  dump_backtrace+0x0/0x43c
[  408.124640][T27279]  show_stack+0x2c/0x3c
[  408.125351][T27279]  __dump_stack+0x30/0x40
[  408.126028][T27279]  dump_stack_lvl+0xf8/0x160
[  408.126711][T27279]  dump_stack+0x1c/0x5c
[  408.127468][T27279]  should_fail+0x3c0/0x51c
[  408.128236][T27279]  __should_failslab+0xbc/0x10c
[  408.129059][T27279]  should_failslab+0x10/0x28
[  408.129823][T27279]  slab_pre_alloc_hook+0x64/0xec
[  408.130637][T27279]  __kmalloc_node+0xb8/0x520
[  408.131346][T27279]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.132182][T27279]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.133103][T27279]  nbd_start_device+0x14c/0xb40
[  408.133874][T27279]  nbd_ioctl+0x514/0xc50
[  408.134524][T27279]  blkdev_ioctl+0x5f8/0xbb8
[  408.135243][T27279]  block_ioctl+0xa4/0x118
[  408.135884][T27279]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.136649][T27279]  invoke_syscall+0x98/0x2b8
[  408.137313][T27279]  el0_svc_common+0x138/0x258
[  408.138002][T27279]  do_el0_svc+0x58/0x14c
[  408.138682][T27279]  el0_svc+0x78/0x1e0
[  408.139292][T27279]  el0t_64_sync_handler+0xcc/0xe4
[  408.140080][T27279]  el0t_64_sync+0x1a0/0x1a4
[  408.144291][T27279] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.152628][T27282] FAULT_INJECTION: forcing a failure.
[  408.152628][T27282] name failslab, interval 1, probability 0, space 0, times 0
[  408.156025][T27282] CPU: 0 PID: 27282 Comm: syz-executor.3 Not tainted syzkaller #0
[  408.157252][T27282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.158873][T27282] Call trace:
[  408.159382][T27282]  dump_backtrace+0x0/0x43c
[  408.160142][T27282]  show_stack+0x2c/0x3c
[  408.160797][T27282]  __dump_stack+0x30/0x40
[  408.161517][T27282]  dump_stack_lvl+0xf8/0x160
[  408.162303][T27282]  dump_stack+0x1c/0x5c
[  408.162961][T27282]  should_fail+0x3c0/0x51c
[  408.163724][T27282]  __should_failslab+0xbc/0x10c
[  408.164527][T27282]  should_failslab+0x10/0x28
[  408.165266][T27282]  slab_pre_alloc_hook+0x64/0xec
[  408.166061][T27282]  __kmalloc_node+0xb8/0x520
[  408.166849][T27282]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.167753][T27282]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.168724][T27282]  nbd_start_device+0x14c/0xb40
[  408.169510][T27282]  nbd_ioctl+0x514/0xc50
[  408.170154][T27282]  blkdev_ioctl+0x5f8/0xbb8
[  408.170881][T27282]  block_ioctl+0xa4/0x118
[  408.171601][T27282]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.172439][T27282]  invoke_syscall+0x98/0x2b8
[  408.173214][T27282]  el0_svc_common+0x138/0x258
[  408.173983][T27282]  do_el0_svc+0x58/0x14c
[  408.174689][T27282]  el0_svc+0x78/0x1e0
[  408.175330][T27282]  el0t_64_sync_handler+0xcc/0xe4
[  408.176164][T27282]  el0t_64_sync+0x1a0/0x1a4
[  408.183012][T27285] FAULT_INJECTION: forcing a failure.
[  408.183012][T27285] name failslab, interval 1, probability 0, space 0, times 0
[  408.184670][T27286] FAULT_INJECTION: forcing a failure.
[  408.184670][T27286] name failslab, interval 1, probability 0, space 0, times 0
[  408.185617][T27285] CPU: 1 PID: 27285 Comm: syz-executor.2 Not tainted syzkaller #0
[  408.188423][T27285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.190065][T27285] Call trace:
[  408.190558][T27285]  dump_backtrace+0x0/0x43c
[  408.191271][T27285]  show_stack+0x2c/0x3c
[  408.191920][T27285]  __dump_stack+0x30/0x40
[  408.192612][T27285]  dump_stack_lvl+0xf8/0x160
[  408.193294][T27285]  dump_stack+0x1c/0x5c
[  408.193949][T27285]  should_fail+0x3c0/0x51c
[  408.194655][T27285]  __should_failslab+0xbc/0x10c
[  408.195356][T27285]  should_failslab+0x10/0x28
[  408.196076][T27285]  slab_pre_alloc_hook+0x64/0xec
[  408.196795][T27285]  __kmalloc_node+0xb8/0x520
[  408.197516][T27285]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.198306][T27285]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.199249][T27285]  nbd_start_device+0x14c/0xb40
[  408.200052][T27285]  nbd_ioctl+0x514/0xc50
[  408.200737][T27285]  blkdev_ioctl+0x5f8/0xbb8
[  408.201455][T27285]  block_ioctl+0xa4/0x118
[  408.202138][T27285]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.202910][T27285]  invoke_syscall+0x98/0x2b8
[  408.203630][T27285]  el0_svc_common+0x138/0x258
[  408.204374][T27285]  do_el0_svc+0x58/0x14c
[  408.205076][T27285]  el0_svc+0x78/0x1e0
[  408.205709][T27285]  el0t_64_sync_handler+0xcc/0xe4
[  408.206469][T27285]  el0t_64_sync+0x1a0/0x1a4
[  408.210842][T27285] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.211711][T27282] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.213262][T27286] CPU: 0 PID: 27286 Comm: syz-executor.1 Not tainted syzkaller #0
[  408.214491][T27286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.216194][T27286] Call trace:
[  408.216723][T27286]  dump_backtrace+0x0/0x43c
[  408.217424][T27286]  show_stack+0x2c/0x3c
[  408.218011][T27286]  __dump_stack+0x30/0x40
[  408.218671][T27286]  dump_stack_lvl+0xf8/0x160
[  408.219376][T27286]  dump_stack+0x1c/0x5c
[  408.219986][T27286]  should_fail+0x3c0/0x51c
[  408.220655][T27286]  __should_failslab+0xbc/0x10c
[  408.221392][T27286]  should_failslab+0x10/0x28
[  408.222101][T27286]  slab_pre_alloc_hook+0x64/0xec
[  408.222866][T27286]  __kmalloc_node+0xb8/0x520
[  408.223601][T27286]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.224462][T27286]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.225304][T27286]  nbd_start_device+0x14c/0xb40
[  408.226012][T27286]  nbd_ioctl+0x514/0xc50
[  408.226688][T27286]  blkdev_ioctl+0x5f8/0xbb8
[  408.227413][T27286]  block_ioctl+0xa4/0x118
[  408.228138][T27286]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.228890][T27286]  invoke_syscall+0x98/0x2b8
[  408.229669][T27286]  el0_svc_common+0x138/0x258
[  408.230386][T27286]  do_el0_svc+0x58/0x14c
[  408.231035][T27286]  el0_svc+0x78/0x1e0
[  408.231695][T27286]  el0t_64_sync_handler+0xcc/0xe4
[  408.232476][T27286]  el0t_64_sync+0x1a0/0x1a4
[  408.239008][T27290] block nbd4: shutting down sockets
[  408.240648][T27286] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.289332][T27289] FAULT_INJECTION: forcing a failure.
[  408.289332][T27289] name failslab, interval 1, probability 0, space 0, times 0
[  408.291475][T27289] CPU: 1 PID: 27289 Comm: syz-executor.4 Not tainted syzkaller #0
[  408.292719][T27289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.294311][T27289] Call trace:
[  408.294834][T27289]  dump_backtrace+0x0/0x43c
[  408.295609][T27289]  show_stack+0x2c/0x3c
[  408.296286][T27289]  __dump_stack+0x30/0x40
[  408.296977][T27289]  dump_stack_lvl+0xf8/0x160
[  408.297668][T27289]  dump_stack+0x1c/0x5c
[  408.298274][T27289]  should_fail+0x3c0/0x51c
[  408.298927][T27289]  __should_failslab+0xbc/0x10c
[  408.299703][T27289]  should_failslab+0x10/0x28
[  408.300441][T27289]  slab_pre_alloc_hook+0x64/0xec
[  408.301192][T27289]  __kmalloc_node+0xb8/0x520
[  408.301938][T27289]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.302769][T27289]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.303713][T27289]  nbd_start_device+0x14c/0xb40
[  408.304433][T27289]  nbd_ioctl+0x514/0xc50
[  408.305119][T27289]  blkdev_ioctl+0x5f8/0xbb8
[  408.305791][T27289]  block_ioctl+0xa4/0x118
[  408.306466][T27289]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.307273][T27289]  invoke_syscall+0x98/0x2b8
[  408.307978][T27289]  el0_svc_common+0x138/0x258
[  408.308730][T27289]  do_el0_svc+0x58/0x14c
[  408.309389][T27289]  el0_svc+0x78/0x1e0
[  408.310068][T27289]  el0t_64_sync_handler+0xcc/0xe4
[  408.310908][T27289]  el0t_64_sync+0x1a0/0x1a4
[  408.311878][T27289] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.357024][T27299] block nbd2: shutting down sockets
[  408.358396][T27303] block nbd1: shutting down sockets
[  408.359708][T27297] block nbd0: shutting down sockets
[  408.367945][T27301] block nbd3: shutting down sockets
[  408.396157][T27305] block nbd4: shutting down sockets
[  408.417975][T27301] FAULT_INJECTION: forcing a failure.
[  408.417975][T27301] name failslab, interval 1, probability 0, space 0, times 0
[  408.418366][T27303] FAULT_INJECTION: forcing a failure.
[  408.418366][T27303] name failslab, interval 1, probability 0, space 0, times 0
[  408.420627][T27301] CPU: 1 PID: 27301 Comm: syz-executor.3 Not tainted syzkaller #0
[  408.422816][T27301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.424470][T27301] Call trace:
[  408.424959][T27301]  dump_backtrace+0x0/0x43c
[  408.425622][T27301]  show_stack+0x2c/0x3c
[  408.426282][T27301]  __dump_stack+0x30/0x40
[  408.427030][T27301]  dump_stack_lvl+0xf8/0x160
[  408.427809][T27301]  dump_stack+0x1c/0x5c
[  408.428457][T27301]  should_fail+0x3c0/0x51c
[  408.429130][T27299] FAULT_INJECTION: forcing a failure.
[  408.429130][T27299] name failslab, interval 1, probability 0, space 0, times 0
[  408.431199][T27301]  __should_failslab+0xbc/0x10c
[  408.432002][T27301]  should_failslab+0x10/0x28
[  408.432772][T27301]  slab_pre_alloc_hook+0x64/0xec
[  408.433603][T27301]  __kmalloc_node+0xb8/0x520
[  408.434320][T27301]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.435111][T27301]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.435933][T27301]  nbd_start_device+0x14c/0xb40
[  408.436695][T27301]  nbd_ioctl+0x514/0xc50
[  408.437317][T27301]  blkdev_ioctl+0x5f8/0xbb8
[  408.438044][T27301]  block_ioctl+0xa4/0x118
[  408.438728][T27301]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.439038][T27297] FAULT_INJECTION: forcing a failure.
[  408.439038][T27297] name failslab, interval 1, probability 0, space 0, times 0
[  408.439520][T27301]  invoke_syscall+0x98/0x2b8
[  408.442250][T27301]  el0_svc_common+0x138/0x258
[  408.443021][T27301]  do_el0_svc+0x58/0x14c
[  408.443711][T27301]  el0_svc+0x78/0x1e0
[  408.444329][T27301]  el0t_64_sync_handler+0xcc/0xe4
[  408.445185][T27301]  el0t_64_sync+0x1a0/0x1a4
[  408.446749][T27301] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.447113][T27297] CPU: 0 PID: 27297 Comm: syz-executor.0 Not tainted syzkaller #0
[  408.449160][T27297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.450859][T27297] Call trace:
[  408.451405][T27297]  dump_backtrace+0x0/0x43c
[  408.452145][T27297]  show_stack+0x2c/0x3c
[  408.452819][T27297]  __dump_stack+0x30/0x40
[  408.453506][T27297]  dump_stack_lvl+0xf8/0x160
[  408.454215][T27297]  dump_stack+0x1c/0x5c
[  408.454888][T27297]  should_fail+0x3c0/0x51c
[  408.455593][T27297]  __should_failslab+0xbc/0x10c
[  408.456404][T27297]  should_failslab+0x10/0x28
[  408.457130][T27297]  slab_pre_alloc_hook+0x64/0xec
[  408.457926][T27297]  __kmalloc_node+0xb8/0x520
[  408.458005][T27305] FAULT_INJECTION: forcing a failure.
[  408.458005][T27305] name failslab, interval 1, probability 0, space 0, times 0
[  408.458675][T27297]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.461380][T27297]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.462294][T27297]  nbd_start_device+0x14c/0xb40
[  408.463057][T27297]  nbd_ioctl+0x514/0xc50
[  408.463725][T27297]  blkdev_ioctl+0x5f8/0xbb8
[  408.464441][T27297]  block_ioctl+0xa4/0x118
[  408.465097][T27297]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.465851][T27297]  invoke_syscall+0x98/0x2b8
[  408.466643][T27297]  el0_svc_common+0x138/0x258
[  408.467430][T27297]  do_el0_svc+0x58/0x14c
[  408.468082][T27297]  el0_svc+0x78/0x1e0
[  408.468723][T27297]  el0t_64_sync_handler+0xcc/0xe4
[  408.469533][T27297]  el0t_64_sync+0x1a0/0x1a4
[  408.470304][T27305] CPU: 1 PID: 27305 Comm: syz-executor.4 Not tainted syzkaller #0
[  408.471657][T27305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.473189][T27305] Call trace:
[  408.473723][T27305]  dump_backtrace+0x0/0x43c
[  408.474473][T27305]  show_stack+0x2c/0x3c
[  408.475084][T27305]  __dump_stack+0x30/0x40
[  408.475832][T27305]  dump_stack_lvl+0xf8/0x160
[  408.476517][T27305]  dump_stack+0x1c/0x5c
[  408.477206][T27305]  should_fail+0x3c0/0x51c
[  408.477936][T27305]  __should_failslab+0xbc/0x10c
[  408.478724][T27305]  should_failslab+0x10/0x28
[  408.479520][T27305]  slab_pre_alloc_hook+0x64/0xec
[  408.480286][T27305]  __kmalloc_node+0xb8/0x520
[  408.481077][T27305]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.481983][T27305]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.482942][T27305]  nbd_start_device+0x14c/0xb40
[  408.483737][T27305]  nbd_ioctl+0x514/0xc50
[  408.484475][T27305]  blkdev_ioctl+0x5f8/0xbb8
[  408.485225][T27305]  block_ioctl+0xa4/0x118
[  408.485938][T27305]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.486760][T27305]  invoke_syscall+0x98/0x2b8
[  408.487485][T27305]  el0_svc_common+0x138/0x258
[  408.488247][T27305]  do_el0_svc+0x58/0x14c
[  408.489002][T27305]  el0_svc+0x78/0x1e0
[  408.489673][T27305]  el0t_64_sync_handler+0xcc/0xe4
[  408.490496][T27305]  el0t_64_sync+0x1a0/0x1a4
[  408.491234][T27303] CPU: 0 PID: 27303 Comm: syz-executor.1 Not tainted syzkaller #0
[  408.492588][T27303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.494155][T27303] Call trace:
[  408.494659][T27303]  dump_backtrace+0x0/0x43c
[  408.495435][T27303]  show_stack+0x2c/0x3c
[  408.496098][T27303]  __dump_stack+0x30/0x40
[  408.496843][T27303]  dump_stack_lvl+0xf8/0x160
[  408.497546][T27305] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.497637][T27303]  dump_stack+0x1c/0x5c
[  408.499388][T27303]  should_fail+0x3c0/0x51c
[  408.500094][T27303]  __should_failslab+0xbc/0x10c
[  408.500884][T27303]  should_failslab+0x10/0x28
[  408.501665][T27303]  slab_pre_alloc_hook+0x64/0xec
[  408.502493][T27303]  __kmalloc_node+0xb8/0x520
[  408.503241][T27303]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.504122][T27303]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.505097][T27303]  nbd_start_device+0x14c/0xb40
[  408.505941][T27303]  nbd_ioctl+0x514/0xc50
[  408.506639][T27303]  blkdev_ioctl+0x5f8/0xbb8
[  408.507402][T27303]  block_ioctl+0xa4/0x118
[  408.508137][T27303]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.508989][T27303]  invoke_syscall+0x98/0x2b8
[  408.509747][T27303]  el0_svc_common+0x138/0x258
[  408.510564][T27303]  do_el0_svc+0x58/0x14c
[  408.511277][T27303]  el0_svc+0x78/0x1e0
[  408.511947][T27303]  el0t_64_sync_handler+0xcc/0xe4
[  408.512738][T27303]  el0t_64_sync+0x1a0/0x1a4
[  408.525573][T27299] CPU: 0 PID: 27299 Comm: syz-executor.2 Not tainted syzkaller #0
[  408.526119][T27297] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.526831][T27299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.526844][T27299] Call trace:
[  408.526848][T27299]  dump_backtrace+0x0/0x43c
[  408.530815][T27299]  show_stack+0x2c/0x3c
[  408.531474][T27299]  __dump_stack+0x30/0x40
[  408.532113][T27299]  dump_stack_lvl+0xf8/0x160
[  408.532884][T27299]  dump_stack+0x1c/0x5c
[  408.533563][T27299]  should_fail+0x3c0/0x51c
[  408.534285][T27299]  __should_failslab+0xbc/0x10c
[  408.535098][T27299]  should_failslab+0x10/0x28
[  408.535865][T27299]  slab_pre_alloc_hook+0x64/0xec
[  408.536684][T27299]  __kmalloc_node+0xb8/0x520
[  408.537420][T27299]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.538276][T27299]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.539243][T27299]  nbd_start_device+0x14c/0xb40
[  408.540037][T27299]  nbd_ioctl+0x514/0xc50
[  408.540703][T27299]  blkdev_ioctl+0x5f8/0xbb8
[  408.541431][T27299]  block_ioctl+0xa4/0x118
[  408.542090][T27299]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.542932][T27299]  invoke_syscall+0x98/0x2b8
[  408.543652][T27299]  el0_svc_common+0x138/0x258
[  408.544404][T27299]  do_el0_svc+0x58/0x14c
[  408.545103][T27299]  el0_svc+0x78/0x1e0
[  408.545737][T27299]  el0t_64_sync_handler+0xcc/0xe4
[  408.546554][T27299]  el0t_64_sync+0x1a0/0x1a4
[  408.551532][T27299] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.556476][T27303] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.587210][T27318] block nbd3: shutting down sockets
[  408.626257][T27314] block nbd4: shutting down sockets
[  408.628283][T27312] FAULT_INJECTION: forcing a failure.
[  408.628283][T27312] name failslab, interval 1, probability 0, space 0, times 0
[  408.630271][T27312] CPU: 1 PID: 27312 Comm: syz-executor.3 Not tainted syzkaller #0
[  408.631435][T27312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.632912][T27312] Call trace:
[  408.633379][T27312]  dump_backtrace+0x0/0x43c
[  408.634112][T27312]  show_stack+0x2c/0x3c
[  408.634757][T27312]  __dump_stack+0x30/0x40
[  408.635372][T27312]  dump_stack_lvl+0xf8/0x160
[  408.636055][T27312]  dump_stack+0x1c/0x5c
[  408.636655][T27312]  should_fail+0x3c0/0x51c
[  408.637379][T27312]  __should_failslab+0xbc/0x10c
[  408.638141][T27312]  should_failslab+0x10/0x28
[  408.638828][T27312]  slab_pre_alloc_hook+0x64/0xec
[  408.639610][T27312]  __kmalloc_node+0xb8/0x520
[  408.640391][T27312]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.641203][T27312]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.642051][T27312]  nbd_start_device+0x14c/0xb40
[  408.642770][T27312]  nbd_ioctl+0x514/0xc50
[  408.643451][T27312]  blkdev_ioctl+0x5f8/0xbb8
[  408.644142][T27312]  block_ioctl+0xa4/0x118
[  408.644788][T27312]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.645529][T27312]  invoke_syscall+0x98/0x2b8
[  408.646298][T27312]  el0_svc_common+0x138/0x258
[  408.647057][T27312]  do_el0_svc+0x58/0x14c
[  408.647716][T27312]  el0_svc+0x78/0x1e0
[  408.648356][T27312]  el0t_64_sync_handler+0xcc/0xe4
[  408.649211][T27312]  el0t_64_sync+0x1a0/0x1a4
[  408.651442][T27312] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.666250][T27322] block nbd2: shutting down sockets
[  408.687092][T27324] block nbd0: shutting down sockets
[  408.691083][T27314] FAULT_INJECTION: forcing a failure.
[  408.691083][T27314] name failslab, interval 1, probability 0, space 0, times 0
[  408.693014][T27314] CPU: 0 PID: 27314 Comm: syz-executor.4 Not tainted syzkaller #0
[  408.694242][T27314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.695796][T27314] Call trace:
[  408.696261][T27314]  dump_backtrace+0x0/0x43c
[  408.697009][T27314]  show_stack+0x2c/0x3c
[  408.697643][T27314]  __dump_stack+0x30/0x40
[  408.698352][T27314]  dump_stack_lvl+0xf8/0x160
[  408.699148][T27314]  dump_stack+0x1c/0x5c
[  408.699846][T27314]  should_fail+0x3c0/0x51c
[  408.700623][T27314]  __should_failslab+0xbc/0x10c
[  408.701455][T27314]  should_failslab+0x10/0x28
[  408.702231][T27314]  slab_pre_alloc_hook+0x64/0xec
[  408.703017][T27314]  __kmalloc_node+0xb8/0x520
[  408.703774][T27314]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.704659][T27314]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.705596][T27314]  nbd_start_device+0x14c/0xb40
[  408.706433][T27314]  nbd_ioctl+0x514/0xc50
[  408.707122][T27314]  blkdev_ioctl+0x5f8/0xbb8
[  408.707860][T27314]  block_ioctl+0xa4/0x118
[  408.708499][T27314]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.709322][T27314]  invoke_syscall+0x98/0x2b8
[  408.710105][T27314]  el0_svc_common+0x138/0x258
[  408.710883][T27314]  do_el0_svc+0x58/0x14c
[  408.711592][T27314]  el0_svc+0x78/0x1e0
[  408.712240][T27314]  el0t_64_sync_handler+0xcc/0xe4
[  408.713075][T27314]  el0t_64_sync+0x1a0/0x1a4
[  408.717302][T27314] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.737873][T27323] block nbd1: shutting down sockets
[  408.738736][T27320] FAULT_INJECTION: forcing a failure.
[  408.738736][T27320] name failslab, interval 1, probability 0, space 0, times 0
[  408.741311][T27320] CPU: 1 PID: 27320 Comm: syz-executor.0 Not tainted syzkaller #0
[  408.742616][T27320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.744202][T27317] FAULT_INJECTION: forcing a failure.
[  408.744202][T27317] name failslab, interval 1, probability 0, space 0, times 0
[  408.744255][T27320] Call trace:
[  408.746633][T27320]  dump_backtrace+0x0/0x43c
[  408.747389][T27320]  show_stack+0x2c/0x3c
[  408.748024][T27320]  __dump_stack+0x30/0x40
[  408.748733][T27320]  dump_stack_lvl+0xf8/0x160
[  408.749463][T27320]  dump_stack+0x1c/0x5c
[  408.750074][T27320]  should_fail+0x3c0/0x51c
[  408.750746][T27320]  __should_failslab+0xbc/0x10c
[  408.751480][T27320]  should_failslab+0x10/0x28
[  408.752167][T27320]  slab_pre_alloc_hook+0x64/0xec
[  408.752943][T27320]  __kmalloc_node+0xb8/0x520
[  408.753659][T27320]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.754491][T27320]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.755332][T27320]  nbd_start_device+0x14c/0xb40
[  408.756047][T27320]  nbd_ioctl+0x514/0xc50
[  408.756691][T27320]  blkdev_ioctl+0x5f8/0xbb8
[  408.757525][T27320]  block_ioctl+0xa4/0x118
[  408.758183][T27320]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.758979][T27320]  invoke_syscall+0x98/0x2b8
[  408.759712][T27320]  el0_svc_common+0x138/0x258
[  408.760444][T27320]  do_el0_svc+0x58/0x14c
[  408.761149][T27320]  el0_svc+0x78/0x1e0
[  408.761858][T27320]  el0t_64_sync_handler+0xcc/0xe4
[  408.762716][T27320]  el0t_64_sync+0x1a0/0x1a4
[  408.763452][T27317] CPU: 0 PID: 27317 Comm: syz-executor.2 Not tainted syzkaller #0
[  408.764626][T27317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.766080][T27317] Call trace:
[  408.766425][T27320] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.766533][T27317]  dump_backtrace+0x0/0x43c
[  408.768144][T27317]  show_stack+0x2c/0x3c
[  408.768799][T27317]  __dump_stack+0x30/0x40
[  408.769563][T27317]  dump_stack_lvl+0xf8/0x160
[  408.770340][T27317]  dump_stack+0x1c/0x5c
[  408.771021][T27317]  should_fail+0x3c0/0x51c
[  408.771727][T27317]  __should_failslab+0xbc/0x10c
[  408.772533][T27317]  should_failslab+0x10/0x28
[  408.773297][T27317]  slab_pre_alloc_hook+0x64/0xec
[  408.774073][T27317]  __kmalloc_node+0xb8/0x520
[  408.774772][T27317]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.775669][T27317]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.776636][T27317]  nbd_start_device+0x14c/0xb40
[  408.777406][T27317]  nbd_ioctl+0x514/0xc50
[  408.778122][T27317]  blkdev_ioctl+0x5f8/0xbb8
[  408.778813][T27317]  block_ioctl+0xa4/0x118
[  408.779502][T27317]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.780292][T27317]  invoke_syscall+0x98/0x2b8
[  408.780972][T27317]  el0_svc_common+0x138/0x258
[  408.781649][T27317]  do_el0_svc+0x58/0x14c
[  408.782303][T27317]  el0_svc+0x78/0x1e0
[  408.782909][T27317]  el0t_64_sync_handler+0xcc/0xe4
[  408.783726][T27317]  el0t_64_sync+0x1a0/0x1a4
[  408.789389][T27327] block nbd3: shutting down sockets
[  408.798136][T27321] FAULT_INJECTION: forcing a failure.
[  408.798136][T27321] name failslab, interval 1, probability 0, space 0, times 0
[  408.800625][T27321] CPU: 1 PID: 27321 Comm: syz-executor.1 Not tainted syzkaller #0
[  408.801917][T27321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.803618][T27321] Call trace:
[  408.804146][T27321]  dump_backtrace+0x0/0x43c
[  408.804897][T27321]  show_stack+0x2c/0x3c
[  408.805547][T27321]  __dump_stack+0x30/0x40
[  408.806246][T27321]  dump_stack_lvl+0xf8/0x160
[  408.806989][T27321]  dump_stack+0x1c/0x5c
[  408.807682][T27321]  should_fail+0x3c0/0x51c
[  408.808410][T27321]  __should_failslab+0xbc/0x10c
[  408.809175][T27321]  should_failslab+0x10/0x28
[  408.809821][T27317] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.809910][T27321]  slab_pre_alloc_hook+0x64/0xec
[  408.811758][T27321]  __kmalloc_node+0xb8/0x520
[  408.812523][T27321]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.813436][T27321]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.814455][T27321]  nbd_start_device+0x14c/0xb40
[  408.815271][T27321]  nbd_ioctl+0x514/0xc50
[  408.815918][T27321]  blkdev_ioctl+0x5f8/0xbb8
[  408.816663][T27321]  block_ioctl+0xa4/0x118
[  408.817338][T27321]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.818143][T27321]  invoke_syscall+0x98/0x2b8
[  408.818915][T27321]  el0_svc_common+0x138/0x258
[  408.819721][T27321]  do_el0_svc+0x58/0x14c
[  408.820389][T27321]  el0_svc+0x78/0x1e0
[  408.820981][T27321]  el0t_64_sync_handler+0xcc/0xe4
[  408.821763][T27321]  el0t_64_sync+0x1a0/0x1a4
[  408.826755][T27321] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.850933][T27327] FAULT_INJECTION: forcing a failure.
[  408.850933][T27327] name failslab, interval 1, probability 0, space 0, times 0
[  408.853064][T27327] CPU: 0 PID: 27327 Comm: syz-executor.3 Not tainted syzkaller #0
[  408.854467][T27327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.856196][T27327] Call trace:
[  408.856685][T27327]  dump_backtrace+0x0/0x43c
[  408.857437][T27327]  show_stack+0x2c/0x3c
[  408.858097][T27327]  __dump_stack+0x30/0x40
[  408.858748][T27327]  dump_stack_lvl+0xf8/0x160
[  408.859515][T27327]  dump_stack+0x1c/0x5c
[  408.860228][T27327]  should_fail+0x3c0/0x51c
[  408.860988][T27327]  __should_failslab+0xbc/0x10c
[  408.861832][T27327]  should_failslab+0x10/0x28
[  408.862613][T27327]  slab_pre_alloc_hook+0x64/0xec
[  408.863385][T27327]  __kmalloc_node+0xb8/0x520
[  408.864102][T27327]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.864990][T27327]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.865968][T27327]  nbd_start_device+0x14c/0xb40
[  408.866751][T27327]  nbd_ioctl+0x514/0xc50
[  408.867410][T27327]  blkdev_ioctl+0x5f8/0xbb8
[  408.868087][T27327]  block_ioctl+0xa4/0x118
[  408.868732][T27327]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.869591][T27327]  invoke_syscall+0x98/0x2b8
[  408.870398][T27327]  el0_svc_common+0x138/0x258
[  408.871169][T27327]  do_el0_svc+0x58/0x14c
[  408.871878][T27327]  el0_svc+0x78/0x1e0
[  408.872570][T27327]  el0t_64_sync_handler+0xcc/0xe4
[  408.873384][T27327]  el0t_64_sync+0x1a0/0x1a4
[  408.882083][T27327] Increasing nr_hw_queues to 2 fails, fallback to 1
[  408.916367][T27336] block nbd2: shutting down sockets
[  408.917022][T27332] block nbd0: shutting down sockets
[  408.918492][T27330] block nbd4: shutting down sockets
[  408.938969][T27337] block nbd1: shutting down sockets
[  408.968770][T27330] FAULT_INJECTION: forcing a failure.
[  408.968770][T27330] name failslab, interval 1, probability 0, space 0, times 0
[  408.969274][T27336] FAULT_INJECTION: forcing a failure.
[  408.969274][T27336] name failslab, interval 1, probability 0, space 0, times 0
[  408.970873][T27330] CPU: 0 PID: 27330 Comm: syz-executor.4 Not tainted syzkaller #0
[  408.970890][T27330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.970896][T27330] Call trace:
[  408.970899][T27330]  dump_backtrace+0x0/0x43c
[  408.976935][T27330]  show_stack+0x2c/0x3c
[  408.977642][T27330]  __dump_stack+0x30/0x40
[  408.978330][T27330]  dump_stack_lvl+0xf8/0x160
[  408.979074][T27330]  dump_stack+0x1c/0x5c
[  408.979744][T27330]  should_fail+0x3c0/0x51c
[  408.980429][T27330]  __should_failslab+0xbc/0x10c
[  408.981197][T27330]  should_failslab+0x10/0x28
[  408.981996][T27330]  slab_pre_alloc_hook+0x64/0xec
[  408.982761][T27330]  __kmalloc_node+0xb8/0x520
[  408.983423][T27330]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  408.984206][T27330]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  408.985049][T27330]  nbd_start_device+0x14c/0xb40
[  408.985909][T27330]  nbd_ioctl+0x514/0xc50
[  408.986594][T27330]  blkdev_ioctl+0x5f8/0xbb8
[  408.987271][T27330]  block_ioctl+0xa4/0x118
[  408.987953][T27330]  __arm64_sys_ioctl+0x14c/0x1c8
[  408.988666][T27330]  invoke_syscall+0x98/0x2b8
[  408.989320][T27330]  el0_svc_common+0x138/0x258
[  408.990035][T27330]  do_el0_svc+0x58/0x14c
[  408.990665][T27330]  el0_svc+0x78/0x1e0
[  408.991252][T27330]  el0t_64_sync_handler+0xcc/0xe4
[  408.991999][T27330]  el0t_64_sync+0x1a0/0x1a4
[  408.992691][T27336] CPU: 1 PID: 27336 Comm: syz-executor.2 Not tainted syzkaller #0
[  408.993978][T27336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  408.995524][T27336] Call trace:
[  408.996020][T27336]  dump_backtrace+0x0/0x43c
[  408.996746][T27336]  show_stack+0x2c/0x3c
[  408.997353][T27336]  __dump_stack+0x30/0x40
[  408.998029][T27336]  dump_stack_lvl+0xf8/0x160
[  408.998713][T27336]  dump_stack+0x1c/0x5c
[  408.999394][T27336]  should_fail+0x3c0/0x51c
[  408.999529][T27337] FAULT_INJECTION: forcing a failure.
[  408.999529][T27337] name failslab, interval 1, probability 0, space 0, times 0
[  409.000075][T27336]  __should_failslab+0xbc/0x10c
[  409.002828][T27336]  should_failslab+0x10/0x28
[  409.003460][T27336]  slab_pre_alloc_hook+0x64/0xec
[  409.004176][T27336]  __kmalloc_node+0xb8/0x520
[  409.004840][T27336]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.005648][T27336]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.006582][T27336]  nbd_start_device+0x14c/0xb40
[  409.007057][T27332] FAULT_INJECTION: forcing a failure.
[  409.007057][T27332] name failslab, interval 1, probability 0, space 0, times 0
[  409.007374][T27336]  nbd_ioctl+0x514/0xc50
[  409.007388][T27336]  blkdev_ioctl+0x5f8/0xbb8
[  409.010668][T27336]  block_ioctl+0xa4/0x118
[  409.011326][T27336]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.012078][T27336]  invoke_syscall+0x98/0x2b8
[  409.012817][T27336]  el0_svc_common+0x138/0x258
[  409.013578][T27336]  do_el0_svc+0x58/0x14c
[  409.014241][T27336]  el0_svc+0x78/0x1e0
[  409.014881][T27336]  el0t_64_sync_handler+0xcc/0xe4
[  409.015601][T27336]  el0t_64_sync+0x1a0/0x1a4
[  409.016821][T27336] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.017155][T27332] CPU: 0 PID: 27332 Comm: syz-executor.0 Not tainted syzkaller #0
[  409.018948][T27332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.020424][T27332] Call trace:
[  409.020929][T27332]  dump_backtrace+0x0/0x43c
[  409.021601][T27332]  show_stack+0x2c/0x3c
[  409.022235][T27332]  __dump_stack+0x30/0x40
[  409.022896][T27332]  dump_stack_lvl+0xf8/0x160
[  409.023568][T27332]  dump_stack+0x1c/0x5c
[  409.024168][T27332]  should_fail+0x3c0/0x51c
[  409.024924][T27332]  __should_failslab+0xbc/0x10c
[  409.025644][T27332]  should_failslab+0x10/0x28
[  409.026323][T27332]  slab_pre_alloc_hook+0x64/0xec
[  409.027011][T27332]  __kmalloc_node+0xb8/0x520
[  409.027665][T27332]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.028424][T27332]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.029294][T27332]  nbd_start_device+0x14c/0xb40
[  409.030000][T27332]  nbd_ioctl+0x514/0xc50
[  409.030640][T27332]  blkdev_ioctl+0x5f8/0xbb8
[  409.031362][T27332]  block_ioctl+0xa4/0x118
[  409.031979][T27332]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.032733][T27332]  invoke_syscall+0x98/0x2b8
[  409.033453][T27332]  el0_svc_common+0x138/0x258
[  409.034262][T27332]  do_el0_svc+0x58/0x14c
[  409.034960][T27332]  el0_svc+0x78/0x1e0
[  409.035527][T27332]  el0t_64_sync_handler+0xcc/0xe4
[  409.036378][T27332]  el0t_64_sync+0x1a0/0x1a4
[  409.046242][T27330] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.049234][T27337] CPU: 0 PID: 27337 Comm: syz-executor.1 Not tainted syzkaller #0
[  409.050456][T27337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.052161][T27337] Call trace:
[  409.052733][T27337]  dump_backtrace+0x0/0x43c
[  409.053471][T27337]  show_stack+0x2c/0x3c
[  409.054173][T27337]  __dump_stack+0x30/0x40
[  409.054864][T27337]  dump_stack_lvl+0xf8/0x160
[  409.055567][T27337]  dump_stack+0x1c/0x5c
[  409.056271][T27337]  should_fail+0x3c0/0x51c
[  409.056948][T27337]  __should_failslab+0xbc/0x10c
[  409.057685][T27337]  should_failslab+0x10/0x28
[  409.058390][T27337]  slab_pre_alloc_hook+0x64/0xec
[  409.059106][T27337]  __kmalloc_node+0xb8/0x520
[  409.059805][T27337]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.060636][T27337]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.061457][T27337]  nbd_start_device+0x14c/0xb40
[  409.062153][T27337]  nbd_ioctl+0x514/0xc50
[  409.062760][T27337]  blkdev_ioctl+0x5f8/0xbb8
[  409.063423][T27337]  block_ioctl+0xa4/0x118
[  409.064134][T27337]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.064903][T27337]  invoke_syscall+0x98/0x2b8
[  409.065673][T27337]  el0_svc_common+0x138/0x258
[  409.066351][T27337]  do_el0_svc+0x58/0x14c
[  409.067030][T27337]  el0_svc+0x78/0x1e0
[  409.067719][T27337]  el0t_64_sync_handler+0xcc/0xe4
[  409.068554][T27337]  el0t_64_sync+0x1a0/0x1a4
[  409.078697][T27346] block nbd3: shutting down sockets
[  409.095966][T27332] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.099088][T27337] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.136257][T27345] block nbd2: shutting down sockets
[  409.139832][T27339] FAULT_INJECTION: forcing a failure.
[  409.139832][T27339] name failslab, interval 1, probability 0, space 0, times 0
[  409.142422][T27339] CPU: 1 PID: 27339 Comm: syz-executor.3 Not tainted syzkaller #0
[  409.143587][T27339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.145306][T27339] Call trace:
[  409.145881][T27339]  dump_backtrace+0x0/0x43c
[  409.146639][T27339]  show_stack+0x2c/0x3c
[  409.147328][T27339]  __dump_stack+0x30/0x40
[  409.148112][T27339]  dump_stack_lvl+0xf8/0x160
[  409.148861][T27339]  dump_stack+0x1c/0x5c
[  409.149499][T27339]  should_fail+0x3c0/0x51c
[  409.150178][T27339]  __should_failslab+0xbc/0x10c
[  409.150892][T27339]  should_failslab+0x10/0x28
[  409.151569][T27339]  slab_pre_alloc_hook+0x64/0xec
[  409.152346][T27339]  __kmalloc_node+0xb8/0x520
[  409.153062][T27339]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.153870][T27339]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.154745][T27339]  nbd_start_device+0x14c/0xb40
[  409.155428][T27339]  nbd_ioctl+0x514/0xc50
[  409.155973][T27339]  blkdev_ioctl+0x5f8/0xbb8
[  409.156632][T27339]  block_ioctl+0xa4/0x118
[  409.157292][T27339]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.158042][T27339]  invoke_syscall+0x98/0x2b8
[  409.158665][T27339]  el0_svc_common+0x138/0x258
[  409.159367][T27339]  do_el0_svc+0x58/0x14c
[  409.160109][T27339]  el0_svc+0x78/0x1e0
[  409.160780][T27339]  el0t_64_sync_handler+0xcc/0xe4
[  409.161592][T27339]  el0t_64_sync+0x1a0/0x1a4
[  409.162568][T27339] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.179143][T27345] FAULT_INJECTION: forcing a failure.
[  409.179143][T27345] name failslab, interval 1, probability 0, space 0, times 0
[  409.181027][T27345] CPU: 1 PID: 27345 Comm: syz-executor.2 Not tainted syzkaller #0
[  409.182166][T27345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.183769][T27345] Call trace:
[  409.184274][T27345]  dump_backtrace+0x0/0x43c
[  409.184976][T27345]  show_stack+0x2c/0x3c
[  409.185625][T27345]  __dump_stack+0x30/0x40
[  409.186350][T27345]  dump_stack_lvl+0xf8/0x160
[  409.187057][T27345]  dump_stack+0x1c/0x5c
[  409.187732][T27345]  should_fail+0x3c0/0x51c
[  409.188439][T27345]  __should_failslab+0xbc/0x10c
[  409.189168][T27345]  should_failslab+0x10/0x28
[  409.189863][T27345]  slab_pre_alloc_hook+0x64/0xec
[  409.190673][T27345]  __kmalloc_node+0xb8/0x520
[  409.191381][T27345]  blk_mq_update_nr_hw_queues+0x54c/0xbfc
[  409.192227][T27345]  nbd_start_device+0x14c/0xb40
[  409.192923][T27345]  nbd_ioctl+0x514/0xc50
[  409.193552][T27345]  blkdev_ioctl+0x5f8/0xbb8
[  409.194296][T27345]  block_ioctl+0xa4/0x118
[  409.195007][T27345]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.195843][T27345]  invoke_syscall+0x98/0x2b8
[  409.196379][T27350] block nbd1: shutting down sockets
[  409.196637][T27345]  el0_svc_common+0x138/0x258
[  409.198127][T27348] block nbd4: shutting down sockets
[  409.198266][T27345]  do_el0_svc+0x58/0x14c
[  409.199830][T27345]  el0_svc+0x78/0x1e0
[  409.200481][T27345]  el0t_64_sync_handler+0xcc/0xe4
[  409.201295][T27345]  el0t_64_sync+0x1a0/0x1a4
[  409.226231][T27352] block nbd0: shutting down sockets
[  409.228026][T27348] FAULT_INJECTION: forcing a failure.
[  409.228026][T27348] name failslab, interval 1, probability 0, space 0, times 0
[  409.229887][T27348] CPU: 0 PID: 27348 Comm: syz-executor.4 Not tainted syzkaller #0
[  409.231066][T27348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.232541][T27348] Call trace:
[  409.233080][T27348]  dump_backtrace+0x0/0x43c
[  409.233840][T27348]  show_stack+0x2c/0x3c
[  409.234588][T27348]  __dump_stack+0x30/0x40
[  409.235260][T27348]  dump_stack_lvl+0xf8/0x160
[  409.235975][T27348]  dump_stack+0x1c/0x5c
[  409.236671][T27348]  should_fail+0x3c0/0x51c
[  409.237405][T27348]  __should_failslab+0xbc/0x10c
[  409.238127][T27348]  should_failslab+0x10/0x28
[  409.238858][T27348]  slab_pre_alloc_hook+0x64/0xec
[  409.239639][T27348]  __kmalloc_node+0xb8/0x520
[  409.240357][T27348]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.241275][T27348]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.242162][T27348]  nbd_start_device+0x14c/0xb40
[  409.242972][T27348]  nbd_ioctl+0x514/0xc50
[  409.243650][T27348]  blkdev_ioctl+0x5f8/0xbb8
[  409.244353][T27348]  block_ioctl+0xa4/0x118
[  409.245134][T27348]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.245950][T27348]  invoke_syscall+0x98/0x2b8
[  409.246704][T27348]  el0_svc_common+0x138/0x258
[  409.247443][T27348]  do_el0_svc+0x58/0x14c
[  409.248169][T27348]  el0_svc+0x78/0x1e0
[  409.248814][T27348]  el0t_64_sync_handler+0xcc/0xe4
[  409.249627][T27348]  el0t_64_sync+0x1a0/0x1a4
[  409.252278][T27348] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.253338][T27350] FAULT_INJECTION: forcing a failure.
[  409.253338][T27350] name failslab, interval 1, probability 0, space 0, times 0
[  409.265364][T27350] CPU: 0 PID: 27350 Comm: syz-executor.1 Not tainted syzkaller #0
[  409.266710][T27350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.268368][T27350] Call trace:
[  409.268930][T27350]  dump_backtrace+0x0/0x43c
[  409.269629][T27350]  show_stack+0x2c/0x3c
[  409.270257][T27350]  __dump_stack+0x30/0x40
[  409.271007][T27350]  dump_stack_lvl+0xf8/0x160
[  409.271818][T27350]  dump_stack+0x1c/0x5c
[  409.272486][T27350]  should_fail+0x3c0/0x51c
[  409.273216][T27350]  __should_failslab+0xbc/0x10c
[  409.273927][T27350]  should_failslab+0x10/0x28
[  409.274603][T27350]  slab_pre_alloc_hook+0x64/0xec
[  409.275327][T27350]  __kmalloc_node+0xb8/0x520
[  409.276016][T27350]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.276890][T27350]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.277825][T27350]  nbd_start_device+0x14c/0xb40
[  409.278576][T27350]  nbd_ioctl+0x514/0xc50
[  409.279267][T27350]  blkdev_ioctl+0x5f8/0xbb8
[  409.279956][T27350]  block_ioctl+0xa4/0x118
[  409.280664][T27350]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.281423][T27350]  invoke_syscall+0x98/0x2b8
[  409.282240][T27350]  el0_svc_common+0x138/0x258
[  409.283049][T27350]  do_el0_svc+0x58/0x14c
[  409.283762][T27350]  el0_svc+0x78/0x1e0
[  409.284404][T27350]  el0t_64_sync_handler+0xcc/0xe4
[  409.285225][T27350]  el0t_64_sync+0x1a0/0x1a4
[  409.288834][T27350] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.304465][T27352] FAULT_INJECTION: forcing a failure.
[  409.304465][T27352] name failslab, interval 1, probability 0, space 0, times 0
[  409.309498][T27355] block nbd3: shutting down sockets
[  409.311526][T27352] CPU: 1 PID: 27352 Comm: syz-executor.0 Not tainted syzkaller #0
[  409.312675][T27352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.314108][T27352] Call trace:
[  409.314578][T27352]  dump_backtrace+0x0/0x43c
[  409.315286][T27352]  show_stack+0x2c/0x3c
[  409.315933][T27352]  __dump_stack+0x30/0x40
[  409.316691][T27352]  dump_stack_lvl+0xf8/0x160
[  409.317428][T27352]  dump_stack+0x1c/0x5c
[  409.318148][T27352]  should_fail+0x3c0/0x51c
[  409.318872][T27352]  __should_failslab+0xbc/0x10c
[  409.319710][T27352]  should_failslab+0x10/0x28
[  409.320460][T27352]  slab_pre_alloc_hook+0x64/0xec
[  409.321273][T27352]  __kmalloc_node+0xb8/0x520
[  409.322011][T27352]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.322813][T27352]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.323629][T27352]  nbd_start_device+0x14c/0xb40
[  409.324320][T27352]  nbd_ioctl+0x514/0xc50
[  409.325053][T27352]  blkdev_ioctl+0x5f8/0xbb8
[  409.325709][T27352]  block_ioctl+0xa4/0x118
[  409.326401][T27352]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.327117][T27352]  invoke_syscall+0x98/0x2b8
[  409.327766][T27352]  el0_svc_common+0x138/0x258
[  409.328492][T27352]  do_el0_svc+0x58/0x14c
[  409.329208][T27352]  el0_svc+0x78/0x1e0
[  409.329844][T27352]  el0t_64_sync_handler+0xcc/0xe4
[  409.330687][T27352]  el0t_64_sync+0x1a0/0x1a4
[  409.336121][T27352] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.337228][T27358] block nbd2: shutting down sockets
[  409.339055][T27361] block nbd4: shutting down sockets
[  409.342049][T27355] FAULT_INJECTION: forcing a failure.
[  409.342049][T27355] name failslab, interval 1, probability 0, space 0, times 0
[  409.344092][T27355] CPU: 1 PID: 27355 Comm: syz-executor.3 Not tainted syzkaller #0
[  409.345282][T27355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.346797][T27355] Call trace:
[  409.347252][T27355]  dump_backtrace+0x0/0x43c
[  409.347881][T27355]  show_stack+0x2c/0x3c
[  409.348531][T27355]  __dump_stack+0x30/0x40
[  409.349199][T27355]  dump_stack_lvl+0xf8/0x160
[  409.349907][T27355]  dump_stack+0x1c/0x5c
[  409.350559][T27355]  should_fail+0x3c0/0x51c
[  409.351163][T27355]  __should_failslab+0xbc/0x10c
[  409.351846][T27355]  should_failslab+0x10/0x28
[  409.352526][T27355]  slab_pre_alloc_hook+0x64/0xec
[  409.353233][T27355]  __kmalloc_node+0xb8/0x520
[  409.353890][T27355]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.354802][T27355]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.355774][T27355]  nbd_start_device+0x14c/0xb40
[  409.356570][T27355]  nbd_ioctl+0x514/0xc50
[  409.357237][T27355]  blkdev_ioctl+0x5f8/0xbb8
[  409.357913][T27355]  block_ioctl+0xa4/0x118
[  409.358637][T27355]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.359461][T27355]  invoke_syscall+0x98/0x2b8
[  409.360210][T27355]  el0_svc_common+0x138/0x258
[  409.360956][T27355]  do_el0_svc+0x58/0x14c
[  409.361645][T27355]  el0_svc+0x78/0x1e0
[  409.362292][T27355]  el0t_64_sync_handler+0xcc/0xe4
[  409.363170][T27355]  el0t_64_sync+0x1a0/0x1a4
[  409.366045][T27355] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.390185][T27364] block nbd1: shutting down sockets
[  409.398108][T27361] FAULT_INJECTION: forcing a failure.
[  409.398108][T27361] name failslab, interval 1, probability 0, space 0, times 0
[  409.400249][T27361] CPU: 1 PID: 27361 Comm: syz-executor.4 Not tainted syzkaller #0
[  409.401542][T27361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.403001][T27361] Call trace:
[  409.403498][T27361]  dump_backtrace+0x0/0x43c
[  409.404208][T27361]  show_stack+0x2c/0x3c
[  409.404872][T27361]  __dump_stack+0x30/0x40
[  409.405550][T27361]  dump_stack_lvl+0xf8/0x160
[  409.406291][T27361]  dump_stack+0x1c/0x5c
[  409.406908][T27361]  should_fail+0x3c0/0x51c
[  409.407642][T27361]  __should_failslab+0xbc/0x10c
[  409.408464][T27361]  should_failslab+0x10/0x28
[  409.409236][T27361]  slab_pre_alloc_hook+0x64/0xec
[  409.410041][T27361]  __kmalloc_node+0xb8/0x520
[  409.410758][T27361]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.411572][T27361]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.412472][T27361]  nbd_start_device+0x14c/0xb40
[  409.413248][T27361]  nbd_ioctl+0x514/0xc50
[  409.413908][T27361]  blkdev_ioctl+0x5f8/0xbb8
[  409.414615][T27361]  block_ioctl+0xa4/0x118
[  409.415244][T27361]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.415956][T27361]  invoke_syscall+0x98/0x2b8
[  409.416704][T27361]  el0_svc_common+0x138/0x258
[  409.417422][T27361]  do_el0_svc+0x58/0x14c
[  409.418046][T27358] FAULT_INJECTION: forcing a failure.
[  409.418046][T27358] name failslab, interval 1, probability 0, space 0, times 0
[  409.418088][T27361]  el0_svc+0x78/0x1e0
[  409.420682][T27361]  el0t_64_sync_handler+0xcc/0xe4
[  409.421467][T27361]  el0t_64_sync+0x1a0/0x1a4
[  409.422168][T27358] CPU: 0 PID: 27358 Comm: syz-executor.2 Not tainted syzkaller #0
[  409.423410][T27358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.424979][T27358] Call trace:
[  409.425481][T27358]  dump_backtrace+0x0/0x43c
[  409.426205][T27358]  show_stack+0x2c/0x3c
[  409.426898][T27358]  __dump_stack+0x30/0x40
[  409.427600][T27358]  dump_stack_lvl+0xf8/0x160
[  409.427904][T27361] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.428364][T27358]  dump_stack+0x1c/0x5c
[  409.428382][T27358]  should_fail+0x3c0/0x51c
[  409.430720][T27358]  __should_failslab+0xbc/0x10c
[  409.431474][T27358]  should_failslab+0x10/0x28
[  409.432210][T27358]  slab_pre_alloc_hook+0x64/0xec
[  409.432975][T27358]  __kmalloc_node+0xb8/0x520
[  409.433702][T27358]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.434548][T27358]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.435492][T27358]  nbd_start_device+0x14c/0xb40
[  409.436267][T27358]  nbd_ioctl+0x514/0xc50
[  409.436968][T27358]  blkdev_ioctl+0x5f8/0xbb8
[  409.437676][T27358]  block_ioctl+0xa4/0x118
[  409.438360][T27358]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.439153][T27358]  invoke_syscall+0x98/0x2b8
[  409.439865][T27358]  el0_svc_common+0x138/0x258
[  409.440587][T27358]  do_el0_svc+0x58/0x14c
[  409.441191][T27358]  el0_svc+0x78/0x1e0
[  409.441739][T27358]  el0t_64_sync_handler+0xcc/0xe4
[  409.442533][T27358]  el0t_64_sync+0x1a0/0x1a4
[  409.450447][T27358] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.461704][T27364] FAULT_INJECTION: forcing a failure.
[  409.461704][T27364] name failslab, interval 1, probability 0, space 0, times 0
[  409.464282][T27364] CPU: 0 PID: 27364 Comm: syz-executor.1 Not tainted syzkaller #0
[  409.465485][T27364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.467156][T27364] Call trace:
[  409.467670][T27364]  dump_backtrace+0x0/0x43c
[  409.468356][T27364]  show_stack+0x2c/0x3c
[  409.469009][T27364]  __dump_stack+0x30/0x40
[  409.469741][T27364]  dump_stack_lvl+0xf8/0x160
[  409.470473][T27364]  dump_stack+0x1c/0x5c
[  409.471144][T27364]  should_fail+0x3c0/0x51c
[  409.471877][T27364]  __should_failslab+0xbc/0x10c
[  409.472668][T27364]  should_failslab+0x10/0x28
[  409.473451][T27364]  slab_pre_alloc_hook+0x64/0xec
[  409.474278][T27364]  __kmalloc_node+0xb8/0x520
[  409.475031][T27364]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.475921][T27364]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.476871][T27364]  nbd_start_device+0x14c/0xb40
[  409.477697][T27364]  nbd_ioctl+0x514/0xc50
[  409.478367][T27364]  blkdev_ioctl+0x5f8/0xbb8
[  409.479111][T27364]  block_ioctl+0xa4/0x118
[  409.479725][T27364]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.480444][T27364]  invoke_syscall+0x98/0x2b8
[  409.481138][T27364]  el0_svc_common+0x138/0x258
[  409.481864][T27364]  do_el0_svc+0x58/0x14c
[  409.482514][T27364]  el0_svc+0x78/0x1e0
[  409.483105][T27364]  el0t_64_sync_handler+0xcc/0xe4
[  409.483894][T27364]  el0t_64_sync+0x1a0/0x1a4
[  409.487655][T27375] block nbd3: shutting down sockets
[  409.495052][T27374] block nbd0: shutting down sockets
[  409.496826][T27364] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.508227][T27368] FAULT_INJECTION: forcing a failure.
[  409.508227][T27368] name failslab, interval 1, probability 0, space 0, times 0
[  409.510273][T27368] CPU: 1 PID: 27368 Comm: syz-executor.3 Not tainted syzkaller #0
[  409.511553][T27368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.513180][T27368] Call trace:
[  409.513676][T27368]  dump_backtrace+0x0/0x43c
[  409.514406][T27368]  show_stack+0x2c/0x3c
[  409.515078][T27368]  __dump_stack+0x30/0x40
[  409.515766][T27368]  dump_stack_lvl+0xf8/0x160
[  409.516480][T27368]  dump_stack+0x1c/0x5c
[  409.517128][T27368]  should_fail+0x3c0/0x51c
[  409.517880][T27368]  __should_failslab+0xbc/0x10c
[  409.518633][T27368]  should_failslab+0x10/0x28
[  409.519374][T27368]  slab_pre_alloc_hook+0x64/0xec
[  409.520143][T27368]  __kmalloc_node+0xb8/0x520
[  409.520872][T27368]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.521750][T27368]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.522659][T27368]  nbd_start_device+0x14c/0xb40
[  409.523384][T27368]  nbd_ioctl+0x514/0xc50
[  409.524085][T27368]  blkdev_ioctl+0x5f8/0xbb8
[  409.524776][T27368]  block_ioctl+0xa4/0x118
[  409.525503][T27368]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.526307][T27368]  invoke_syscall+0x98/0x2b8
[  409.527072][T27368]  el0_svc_common+0x138/0x258
[  409.527755][T27368]  do_el0_svc+0x58/0x14c
[  409.528350][T27368]  el0_svc+0x78/0x1e0
[  409.528923][T27368]  el0t_64_sync_handler+0xcc/0xe4
[  409.529722][T27368]  el0t_64_sync+0x1a0/0x1a4
[  409.534977][T27368] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.536617][T27373] block nbd4: shutting down sockets
[  409.538132][T27366] FAULT_INJECTION: forcing a failure.
[  409.538132][T27366] name failslab, interval 1, probability 0, space 0, times 0
[  409.540558][T27366] CPU: 0 PID: 27366 Comm: syz-executor.0 Not tainted syzkaller #0
[  409.541828][T27366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.543359][T27366] Call trace:
[  409.543919][T27366]  dump_backtrace+0x0/0x43c
[  409.544682][T27366]  show_stack+0x2c/0x3c
[  409.545342][T27366]  __dump_stack+0x30/0x40
[  409.546051][T27366]  dump_stack_lvl+0xf8/0x160
[  409.546743][T27366]  dump_stack+0x1c/0x5c
[  409.547369][T27366]  should_fail+0x3c0/0x51c
[  409.548022][T27366]  __should_failslab+0xbc/0x10c
[  409.548778][T27366]  should_failslab+0x10/0x28
[  409.549434][T27366]  slab_pre_alloc_hook+0x64/0xec
[  409.550198][T27366]  __kmalloc_node+0xb8/0x520
[  409.550952][T27366]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.551803][T27366]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.552694][T27366]  nbd_start_device+0x14c/0xb40
[  409.553461][T27366]  nbd_ioctl+0x514/0xc50
[  409.554056][T27366]  blkdev_ioctl+0x5f8/0xbb8
[  409.554862][T27366]  block_ioctl+0xa4/0x118
[  409.555575][T27366]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.556446][T27366]  invoke_syscall+0x98/0x2b8
[  409.557196][T27366]  el0_svc_common+0x138/0x258
[  409.557991][T27366]  do_el0_svc+0x58/0x14c
[  409.558752][T27366]  el0_svc+0x78/0x1e0
[  409.559401][T27366]  el0t_64_sync_handler+0xcc/0xe4
[  409.560266][T27366]  el0t_64_sync+0x1a0/0x1a4
[  409.563772][T27366] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.590219][T27373] FAULT_INJECTION: forcing a failure.
[  409.590219][T27373] name failslab, interval 1, probability 0, space 0, times 0
[  409.592434][T27373] CPU: 1 PID: 27373 Comm: syz-executor.4 Not tainted syzkaller #0
[  409.593637][T27373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.595133][T27373] Call trace:
[  409.595607][T27373]  dump_backtrace+0x0/0x43c
[  409.596274][T27373]  show_stack+0x2c/0x3c
[  409.596882][T27373]  __dump_stack+0x30/0x40
[  409.597522][T27373]  dump_stack_lvl+0xf8/0x160
[  409.598163][T27373]  dump_stack+0x1c/0x5c
[  409.598813][T27373]  should_fail+0x3c0/0x51c
[  409.599539][T27373]  __should_failslab+0xbc/0x10c
[  409.600314][T27373]  should_failslab+0x10/0x28
[  409.601085][T27373]  slab_pre_alloc_hook+0x64/0xec
[  409.601870][T27373]  __kmalloc_node+0xb8/0x520
[  409.602613][T27373]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.603477][T27373]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.604448][T27373]  nbd_start_device+0x14c/0xb40
[  409.605277][T27373]  nbd_ioctl+0x514/0xc50
[  409.605945][T27373]  blkdev_ioctl+0x5f8/0xbb8
[  409.606639][T27373]  block_ioctl+0xa4/0x118
[  409.607355][T27373]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.608177][T27373]  invoke_syscall+0x98/0x2b8
[  409.608925][T27373]  el0_svc_common+0x138/0x258
[  409.609683][T27373]  do_el0_svc+0x58/0x14c
[  409.610347][T27373]  el0_svc+0x78/0x1e0
[  409.610964][T27373]  el0t_64_sync_handler+0xcc/0xe4
[  409.611658][T27373]  el0t_64_sync+0x1a0/0x1a4
[  409.614651][T27379] block nbd1: shutting down sockets
[  409.616331][T27377] block nbd2: shutting down sockets
[  409.616975][T27373] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.658029][T27377] FAULT_INJECTION: forcing a failure.
[  409.658029][T27377] name failslab, interval 1, probability 0, space 0, times 0
[  409.658827][T27379] FAULT_INJECTION: forcing a failure.
[  409.658827][T27379] name failslab, interval 1, probability 0, space 0, times 0
[  409.659994][T27377] CPU: 0 PID: 27377 Comm: syz-executor.2 Not tainted syzkaller #0
[  409.663136][T27377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.664772][T27377] Call trace:
[  409.665287][T27377]  dump_backtrace+0x0/0x43c
[  409.665973][T27377]  show_stack+0x2c/0x3c
[  409.666630][T27377]  __dump_stack+0x30/0x40
[  409.667341][T27377]  dump_stack_lvl+0xf8/0x160
[  409.668107][T27377]  dump_stack+0x1c/0x5c
[  409.668819][T27377]  should_fail+0x3c0/0x51c
[  409.669470][T27377]  __should_failslab+0xbc/0x10c
[  409.670275][T27377]  should_failslab+0x10/0x28
[  409.670999][T27377]  slab_pre_alloc_hook+0x64/0xec
[  409.671831][T27377]  __kmalloc_node+0xb8/0x520
[  409.672574][T27377]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.673418][T27377]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.674381][T27377]  nbd_start_device+0x14c/0xb40
[  409.675180][T27377]  nbd_ioctl+0x514/0xc50
[  409.675927][T27377]  blkdev_ioctl+0x5f8/0xbb8
[  409.676616][T27377]  block_ioctl+0xa4/0x118
[  409.677307][T27377]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.678073][T27377]  invoke_syscall+0x98/0x2b8
[  409.678779][T27377]  el0_svc_common+0x138/0x258
[  409.679516][T27377]  do_el0_svc+0x58/0x14c
[  409.680176][T27377]  el0_svc+0x78/0x1e0
[  409.680769][T27377]  el0t_64_sync_handler+0xcc/0xe4
[  409.681542][T27377]  el0t_64_sync+0x1a0/0x1a4
[  409.682219][T27379] CPU: 1 PID: 27379 Comm: syz-executor.1 Not tainted syzkaller #0
[  409.683173][T27377] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.683459][T27379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.683473][T27379] Call trace:
[  409.683477][T27379]  dump_backtrace+0x0/0x43c
[  409.687228][T27379]  show_stack+0x2c/0x3c
[  409.687904][T27379]  __dump_stack+0x30/0x40
[  409.688577][T27379]  dump_stack_lvl+0xf8/0x160
[  409.689327][T27379]  dump_stack+0x1c/0x5c
[  409.690006][T27379]  should_fail+0x3c0/0x51c
[  409.690733][T27379]  __should_failslab+0xbc/0x10c
[  409.691466][T27379]  should_failslab+0x10/0x28
[  409.692158][T27379]  slab_pre_alloc_hook+0x64/0xec
[  409.692863][T27379]  __kmalloc_node+0xb8/0x520
[  409.693670][T27379]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.694566][T27379]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.695561][T27379]  nbd_start_device+0x14c/0xb40
[  409.696415][T27379]  nbd_ioctl+0x514/0xc50
[  409.697073][T27379]  blkdev_ioctl+0x5f8/0xbb8
[  409.697750][T27379]  block_ioctl+0xa4/0x118
[  409.698414][T27379]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.699173][T27379]  invoke_syscall+0x98/0x2b8
[  409.699880][T27379]  el0_svc_common+0x138/0x258
[  409.700617][T27379]  do_el0_svc+0x58/0x14c
[  409.701261][T27379]  el0_svc+0x78/0x1e0
[  409.701903][T27379]  el0t_64_sync_handler+0xcc/0xe4
[  409.702708][T27379]  el0t_64_sync+0x1a0/0x1a4
[  409.704126][T27386] block nbd3: shutting down sockets
[  409.707387][T27379] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.726230][T27385] block nbd0: shutting down sockets
[  409.746342][T27389] block nbd4: shutting down sockets
[  409.748373][T27382] FAULT_INJECTION: forcing a failure.
[  409.748373][T27382] name failslab, interval 1, probability 0, space 0, times 0
[  409.750570][T27382] CPU: 1 PID: 27382 Comm: syz-executor.3 Not tainted syzkaller #0
[  409.751823][T27382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.753478][T27382] Call trace:
[  409.753985][T27382]  dump_backtrace+0x0/0x43c
[  409.754698][T27382]  show_stack+0x2c/0x3c
[  409.755342][T27382]  __dump_stack+0x30/0x40
[  409.756038][T27382]  dump_stack_lvl+0xf8/0x160
[  409.756722][T27382]  dump_stack+0x1c/0x5c
[  409.757375][T27382]  should_fail+0x3c0/0x51c
[  409.758037][T27382]  __should_failslab+0xbc/0x10c
[  409.758838][T27382]  should_failslab+0x10/0x28
[  409.759529][T27382]  slab_pre_alloc_hook+0x64/0xec
[  409.760313][T27382]  __kmalloc_node+0xb8/0x520
[  409.761102][T27382]  blk_mq_update_nr_hw_queues+0x54c/0xbfc
[  409.761936][T27382]  nbd_start_device+0x14c/0xb40
[  409.762724][T27382]  nbd_ioctl+0x514/0xc50
[  409.763386][T27382]  blkdev_ioctl+0x5f8/0xbb8
[  409.764116][T27382]  block_ioctl+0xa4/0x118
[  409.764787][T27382]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.765608][T27382]  invoke_syscall+0x98/0x2b8
[  409.766345][T27382]  el0_svc_common+0x138/0x258
[  409.767061][T27382]  do_el0_svc+0x58/0x14c
[  409.767776][T27382]  el0_svc+0x78/0x1e0
[  409.768392][T27382]  el0t_64_sync_handler+0xcc/0xe4
[  409.769063][T27385] FAULT_INJECTION: forcing a failure.
[  409.769063][T27385] name failslab, interval 1, probability 0, space 0, times 0
[  409.769160][T27382]  el0t_64_sync+0x1a0/0x1a4
[  409.771721][T27385] CPU: 0 PID: 27385 Comm: syz-executor.0 Not tainted syzkaller #0
[  409.772901][T27385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.774373][T27385] Call trace:
[  409.774872][T27385]  dump_backtrace+0x0/0x43c
[  409.775568][T27385]  show_stack+0x2c/0x3c
[  409.776154][T27385]  __dump_stack+0x30/0x40
[  409.776808][T27385]  dump_stack_lvl+0xf8/0x160
[  409.777534][T27385]  dump_stack+0x1c/0x5c
[  409.778203][T27385]  should_fail+0x3c0/0x51c
[  409.778935][T27385]  __should_failslab+0xbc/0x10c
[  409.779770][T27385]  should_failslab+0x10/0x28
[  409.780567][T27385]  slab_pre_alloc_hook+0x64/0xec
[  409.781423][T27385]  __kmalloc_node+0xb8/0x520
[  409.782202][T27385]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.783087][T27385]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.784032][T27385]  nbd_start_device+0x14c/0xb40
[  409.784862][T27385]  nbd_ioctl+0x514/0xc50
[  409.785553][T27385]  blkdev_ioctl+0x5f8/0xbb8
[  409.786310][T27385]  block_ioctl+0xa4/0x118
[  409.787059][T27385]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.787802][T27385]  invoke_syscall+0x98/0x2b8
[  409.788530][T27385]  el0_svc_common+0x138/0x258
[  409.789239][T27385]  do_el0_svc+0x58/0x14c
[  409.789899][T27385]  el0_svc+0x78/0x1e0
[  409.790494][T27385]  el0t_64_sync_handler+0xcc/0xe4
[  409.791280][T27385]  el0t_64_sync+0x1a0/0x1a4
[  409.796304][T27385] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.798350][T27389] FAULT_INJECTION: forcing a failure.
[  409.798350][T27389] name failslab, interval 1, probability 0, space 0, times 0
[  409.801670][T27389] CPU: 0 PID: 27389 Comm: syz-executor.4 Not tainted syzkaller #0
[  409.802869][T27389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.804437][T27389] Call trace:
[  409.804930][T27389]  dump_backtrace+0x0/0x43c
[  409.805640][T27389]  show_stack+0x2c/0x3c
[  409.806279][T27389]  __dump_stack+0x30/0x40
[  409.806940][T27389]  dump_stack_lvl+0xf8/0x160
[  409.807652][T27389]  dump_stack+0x1c/0x5c
[  409.808257][T27389]  should_fail+0x3c0/0x51c
[  409.808896][T27389]  __should_failslab+0xbc/0x10c
[  409.809685][T27389]  should_failslab+0x10/0x28
[  409.810364][T27389]  slab_pre_alloc_hook+0x64/0xec
[  409.811152][T27389]  __kmalloc_node+0xb8/0x520
[  409.811879][T27389]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.812810][T27389]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.813741][T27389]  nbd_start_device+0x14c/0xb40
[  409.814500][T27389]  nbd_ioctl+0x514/0xc50
[  409.815136][T27389]  blkdev_ioctl+0x5f8/0xbb8
[  409.815848][T27389]  block_ioctl+0xa4/0x118
[  409.816575][T27389]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.817376][T27389]  invoke_syscall+0x98/0x2b8
[  409.818089][T27389]  el0_svc_common+0x138/0x258
[  409.818834][T27389]  do_el0_svc+0x58/0x14c
[  409.819485][T27389]  el0_svc+0x78/0x1e0
[  409.820099][T27389]  el0t_64_sync_handler+0xcc/0xe4
[  409.820856][T27389]  el0t_64_sync+0x1a0/0x1a4
[  409.826615][T27389] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.847905][T27393] block nbd2: shutting down sockets
[  409.849313][T27395] block nbd1: shutting down sockets
[  409.906350][T27399] block nbd3: shutting down sockets
[  409.908135][T27393] FAULT_INJECTION: forcing a failure.
[  409.908135][T27393] name failslab, interval 1, probability 0, space 0, times 0
[  409.908635][T27401] block nbd0: shutting down sockets
[  409.910091][T27393] CPU: 0 PID: 27393 Comm: syz-executor.2 Not tainted syzkaller #0
[  409.912038][T27393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.913675][T27393] Call trace:
[  409.914192][T27393]  dump_backtrace+0x0/0x43c
[  409.914941][T27393]  show_stack+0x2c/0x3c
[  409.915594][T27393]  __dump_stack+0x30/0x40
[  409.916309][T27393]  dump_stack_lvl+0xf8/0x160
[  409.917049][T27393]  dump_stack+0x1c/0x5c
[  409.917733][T27393]  should_fail+0x3c0/0x51c
[  409.918482][T27393]  __should_failslab+0xbc/0x10c
[  409.919328][T27393]  should_failslab+0x10/0x28
[  409.920123][T27393]  slab_pre_alloc_hook+0x64/0xec
[  409.920903][T27393]  __kmalloc_node+0xb8/0x520
[  409.921663][T27393]  blk_mq_update_nr_hw_queues+0x54c/0xbfc
[  409.922644][T27393]  nbd_start_device+0x14c/0xb40
[  409.923434][T27393]  nbd_ioctl+0x514/0xc50
[  409.924127][T27393]  blkdev_ioctl+0x5f8/0xbb8
[  409.924855][T27393]  block_ioctl+0xa4/0x118
[  409.925568][T27393]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.926369][T27393]  invoke_syscall+0x98/0x2b8
[  409.927103][T27393]  el0_svc_common+0x138/0x258
[  409.927846][T27393]  do_el0_svc+0x58/0x14c
[  409.928548][T27393]  el0_svc+0x78/0x1e0
[  409.929224][T27393]  el0t_64_sync_handler+0xcc/0xe4
[  409.930088][T27393]  el0t_64_sync+0x1a0/0x1a4
[  409.934312][T27395] FAULT_INJECTION: forcing a failure.
[  409.934312][T27395] name failslab, interval 1, probability 0, space 0, times 0
[  409.936520][T27395] CPU: 0 PID: 27395 Comm: syz-executor.1 Not tainted syzkaller #0
[  409.937641][T27395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.939139][T27395] Call trace:
[  409.939556][T27395]  dump_backtrace+0x0/0x43c
[  409.940206][T27395]  show_stack+0x2c/0x3c
[  409.940893][T27395]  __dump_stack+0x30/0x40
[  409.941627][T27395]  dump_stack_lvl+0xf8/0x160
[  409.942405][T27395]  dump_stack+0x1c/0x5c
[  409.943062][T27395]  should_fail+0x3c0/0x51c
[  409.943827][T27395]  __should_failslab+0xbc/0x10c
[  409.944588][T27395]  should_failslab+0x10/0x28
[  409.945306][T27395]  slab_pre_alloc_hook+0x64/0xec
[  409.946080][T27395]  __kmalloc_node+0xb8/0x520
[  409.946798][T27395]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.947612][T27395]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.948482][T27395]  nbd_start_device+0x14c/0xb40
[  409.949289][T27395]  nbd_ioctl+0x514/0xc50
[  409.949931][T27395]  blkdev_ioctl+0x5f8/0xbb8
[  409.950080][T27399] FAULT_INJECTION: forcing a failure.
[  409.950080][T27399] name failslab, interval 1, probability 0, space 0, times 0
[  409.950625][T27395]  block_ioctl+0xa4/0x118
[  409.953312][T27395]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.954139][T27395]  invoke_syscall+0x98/0x2b8
[  409.954907][T27395]  el0_svc_common+0x138/0x258
[  409.955675][T27395]  do_el0_svc+0x58/0x14c
[  409.956349][T27395]  el0_svc+0x78/0x1e0
[  409.956987][T27395]  el0t_64_sync_handler+0xcc/0xe4
[  409.957834][T27395]  el0t_64_sync+0x1a0/0x1a4
[  409.962753][T27395] Increasing nr_hw_queues to 2 fails, fallback to 1
[  409.966342][T27399] CPU: 0 PID: 27399 Comm: syz-executor.3 Not tainted syzkaller #0
[  409.967517][T27399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.967937][T27401] FAULT_INJECTION: forcing a failure.
[  409.967937][T27401] name failslab, interval 1, probability 0, space 0, times 0
[  409.969032][T27399] Call trace:
[  409.971481][T27399]  dump_backtrace+0x0/0x43c
[  409.972146][T27399]  show_stack+0x2c/0x3c
[  409.972716][T27399]  __dump_stack+0x30/0x40
[  409.973344][T27399]  dump_stack_lvl+0xf8/0x160
[  409.974103][T27399]  dump_stack+0x1c/0x5c
[  409.974769][T27399]  should_fail+0x3c0/0x51c
[  409.975472][T27399]  __should_failslab+0xbc/0x10c
[  409.976246][T27399]  should_failslab+0x10/0x28
[  409.976985][T27399]  slab_pre_alloc_hook+0x64/0xec
[  409.977773][T27399]  __kmalloc_node+0xb8/0x520
[  409.978497][T27399]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.979377][T27399]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  409.980326][T27399]  nbd_start_device+0x14c/0xb40
[  409.981138][T27399]  nbd_ioctl+0x514/0xc50
[  409.981790][T27399]  blkdev_ioctl+0x5f8/0xbb8
[  409.982507][T27399]  block_ioctl+0xa4/0x118
[  409.983227][T27399]  __arm64_sys_ioctl+0x14c/0x1c8
[  409.984027][T27399]  invoke_syscall+0x98/0x2b8
[  409.984729][T27399]  el0_svc_common+0x138/0x258
[  409.985451][T27399]  do_el0_svc+0x58/0x14c
[  409.986114][T27399]  el0_svc+0x78/0x1e0
[  409.986766][T27399]  el0t_64_sync_handler+0xcc/0xe4
[  409.987631][T27399]  el0t_64_sync+0x1a0/0x1a4
[  409.988349][T27401] CPU: 1 PID: 27401 Comm: syz-executor.0 Not tainted syzkaller #0
[  409.989651][T27401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  409.991249][T27401] Call trace:
[  409.991771][T27401]  dump_backtrace+0x0/0x43c
[  409.992511][T27401]  show_stack+0x2c/0x3c
[  409.993204][T27401]  __dump_stack+0x30/0x40
[  409.993915][T27401]  dump_stack_lvl+0xf8/0x160
[  409.994699][T27401]  dump_stack+0x1c/0x5c
[  409.995398][T27401]  should_fail+0x3c0/0x51c
[  409.996124][T27401]  __should_failslab+0xbc/0x10c
[  409.996871][T27401]  should_failslab+0x10/0x28
[  409.997609][T27401]  slab_pre_alloc_hook+0x64/0xec
[  409.998381][T27401]  __kmalloc_node+0xb8/0x520
[  409.999099][T27401]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  409.999933][T27401]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.000789][T27401]  nbd_start_device+0x14c/0xb40
[  410.001493][T27401]  nbd_ioctl+0x514/0xc50
[  410.002141][T27401]  blkdev_ioctl+0x5f8/0xbb8
[  410.002869][T27401]  block_ioctl+0xa4/0x118
[  410.003581][T27401]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.004327][T27401]  invoke_syscall+0x98/0x2b8
[  410.005055][T27401]  el0_svc_common+0x138/0x258
[  410.005745][T27401]  do_el0_svc+0x58/0x14c
[  410.006474][T27401]  el0_svc+0x78/0x1e0
[  410.007096][T27401]  el0t_64_sync_handler+0xcc/0xe4
[  410.007859][T27401]  el0t_64_sync+0x1a0/0x1a4
[  410.015084][T27401] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.029856][T27399] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.057240][T27403] block nbd4: shutting down sockets
[  410.067398][T27407] block nbd2: shutting down sockets
[  410.116035][T27415] block nbd1: shutting down sockets
[  410.116437][T27413] block nbd3: shutting down sockets
[  410.120324][T27407] FAULT_INJECTION: forcing a failure.
[  410.120324][T27407] name failslab, interval 1, probability 0, space 0, times 0
[  410.124704][T27403] FAULT_INJECTION: forcing a failure.
[  410.124704][T27403] name failslab, interval 1, probability 0, space 0, times 0
[  410.127107][T27407] CPU: 0 PID: 27407 Comm: syz-executor.2 Not tainted syzkaller #0
[  410.128367][T27407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.130099][T27407] Call trace:
[  410.130645][T27407]  dump_backtrace+0x0/0x43c
[  410.131388][T27407]  show_stack+0x2c/0x3c
[  410.132109][T27407]  __dump_stack+0x30/0x40
[  410.132827][T27407]  dump_stack_lvl+0xf8/0x160
[  410.133632][T27407]  dump_stack+0x1c/0x5c
[  410.134303][T27407]  should_fail+0x3c0/0x51c
[  410.135022][T27407]  __should_failslab+0xbc/0x10c
[  410.135845][T27407]  should_failslab+0x10/0x28
[  410.136078][T27416] block nbd0: shutting down sockets
[  410.136592][T27407]  slab_pre_alloc_hook+0x64/0xec
[  410.138324][T27407]  __kmalloc_node+0xb8/0x520
[  410.139109][T27407]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.140053][T27407]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.141087][T27407]  nbd_start_device+0x14c/0xb40
[  410.141952][T27407]  nbd_ioctl+0x514/0xc50
[  410.142676][T27407]  blkdev_ioctl+0x5f8/0xbb8
[  410.143444][T27407]  block_ioctl+0xa4/0x118
[  410.144157][T27407]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.145019][T27407]  invoke_syscall+0x98/0x2b8
[  410.145822][T27407]  el0_svc_common+0x138/0x258
[  410.146624][T27407]  do_el0_svc+0x58/0x14c
[  410.147367][T27407]  el0_svc+0x78/0x1e0
[  410.148032][T27407]  el0t_64_sync_handler+0xcc/0xe4
[  410.148856][T27407]  el0t_64_sync+0x1a0/0x1a4
[  410.153305][T27403] CPU: 0 PID: 27403 Comm: syz-executor.4 Not tainted syzkaller #0
[  410.154416][T27403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.155899][T27403] Call trace:
[  410.156378][T27403]  dump_backtrace+0x0/0x43c
[  410.157061][T27403]  show_stack+0x2c/0x3c
[  410.157680][T27403]  __dump_stack+0x30/0x40
[  410.158277][T27403]  dump_stack_lvl+0xf8/0x160
[  410.159007][T27403]  dump_stack+0x1c/0x5c
[  410.159640][T27403]  should_fail+0x3c0/0x51c
[  410.160398][T27403]  __should_failslab+0xbc/0x10c
[  410.161178][T27403]  should_failslab+0x10/0x28
[  410.161902][T27403]  slab_pre_alloc_hook+0x64/0xec
[  410.162699][T27403]  __kmalloc_node+0xb8/0x520
[  410.163483][T27403]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.164386][T27403]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.165271][T27403]  nbd_start_device+0x14c/0xb40
[  410.166127][T27403]  nbd_ioctl+0x514/0xc50
[  410.166849][T27403]  blkdev_ioctl+0x5f8/0xbb8
[  410.167611][T27403]  block_ioctl+0xa4/0x118
[  410.168262][T27403]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.169118][T27403]  invoke_syscall+0x98/0x2b8
[  410.169796][T27403]  el0_svc_common+0x138/0x258
[  410.170511][T27403]  do_el0_svc+0x58/0x14c
[  410.171223][T27403]  el0_svc+0x78/0x1e0
[  410.171803][T27403]  el0t_64_sync_handler+0xcc/0xe4
[  410.172533][T27403]  el0t_64_sync+0x1a0/0x1a4
[  410.179948][T27409] FAULT_INJECTION: forcing a failure.
[  410.179948][T27409] name failslab, interval 1, probability 0, space 0, times 0
[  410.181911][T27409] CPU: 0 PID: 27409 Comm: syz-executor.1 Not tainted syzkaller #0
[  410.183142][T27409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.184664][T27409] Call trace:
[  410.185143][T27409]  dump_backtrace+0x0/0x43c
[  410.185758][T27409]  show_stack+0x2c/0x3c
[  410.186355][T27409]  __dump_stack+0x30/0x40
[  410.187063][T27409]  dump_stack_lvl+0xf8/0x160
[  410.187841][T27409]  dump_stack+0x1c/0x5c
[  410.188172][T27411] FAULT_INJECTION: forcing a failure.
[  410.188172][T27411] name failslab, interval 1, probability 0, space 0, times 0
[  410.188549][T27409]  should_fail+0x3c0/0x51c
[  410.191127][T27409]  __should_failslab+0xbc/0x10c
[  410.191891][T27409]  should_failslab+0x10/0x28
[  410.192594][T27409]  slab_pre_alloc_hook+0x64/0xec
[  410.193335][T27409]  __kmalloc_node+0xb8/0x520
[  410.194095][T27409]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.194861][T27413] FAULT_INJECTION: forcing a failure.
[  410.194861][T27413] name failslab, interval 1, probability 0, space 0, times 0
[  410.194951][T27409]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.197666][T27409]  nbd_start_device+0x14c/0xb40
[  410.198457][T27409]  nbd_ioctl+0x514/0xc50
[  410.199147][T27409]  blkdev_ioctl+0x5f8/0xbb8
[  410.199911][T27409]  block_ioctl+0xa4/0x118
[  410.200565][T27409]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.201364][T27409]  invoke_syscall+0x98/0x2b8
[  410.202097][T27409]  el0_svc_common+0x138/0x258
[  410.202830][T27409]  do_el0_svc+0x58/0x14c
[  410.203538][T27409]  el0_svc+0x78/0x1e0
[  410.204173][T27409]  el0t_64_sync_handler+0xcc/0xe4
[  410.204983][T27409]  el0t_64_sync+0x1a0/0x1a4
[  410.205706][T27411] CPU: 1 PID: 27411 Comm: syz-executor.0 Not tainted syzkaller #0
[  410.206976][T27411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.208549][T27411] Call trace:
[  410.209057][T27411]  dump_backtrace+0x0/0x43c
[  410.209113][T27403] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.209797][T27411]  show_stack+0x2c/0x3c
[  410.211414][T27411]  __dump_stack+0x30/0x40
[  410.211993][T27407] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.212164][T27411]  dump_stack_lvl+0xf8/0x160
[  410.213837][T27411]  dump_stack+0x1c/0x5c
[  410.214443][T27411]  should_fail+0x3c0/0x51c
[  410.215133][T27411]  __should_failslab+0xbc/0x10c
[  410.215919][T27411]  should_failslab+0x10/0x28
[  410.216575][T27409] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.216579][T27411]  slab_pre_alloc_hook+0x64/0xec
[  410.218343][T27411]  __kmalloc_node+0xb8/0x520
[  410.219104][T27411]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.219887][T27411]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.220780][T27411]  nbd_start_device+0x14c/0xb40
[  410.221520][T27411]  nbd_ioctl+0x514/0xc50
[  410.222217][T27411]  blkdev_ioctl+0x5f8/0xbb8
[  410.222892][T27411]  block_ioctl+0xa4/0x118
[  410.223555][T27411]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.224334][T27411]  invoke_syscall+0x98/0x2b8
[  410.225066][T27411]  el0_svc_common+0x138/0x258
[  410.225808][T27411]  do_el0_svc+0x58/0x14c
[  410.226479][T27411]  el0_svc+0x78/0x1e0
[  410.227105][T27411]  el0t_64_sync_handler+0xcc/0xe4
[  410.227856][T27411]  el0t_64_sync+0x1a0/0x1a4
[  410.229136][T27411] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.229448][T27413] CPU: 0 PID: 27413 Comm: syz-executor.3 Not tainted syzkaller #0
[  410.231346][T27413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.232897][T27413] Call trace:
[  410.233413][T27413]  dump_backtrace+0x0/0x43c
[  410.234097][T27413]  show_stack+0x2c/0x3c
[  410.234726][T27413]  __dump_stack+0x30/0x40
[  410.235397][T27413]  dump_stack_lvl+0xf8/0x160
[  410.236134][T27413]  dump_stack+0x1c/0x5c
[  410.236782][T27413]  should_fail+0x3c0/0x51c
[  410.237445][T27413]  __should_failslab+0xbc/0x10c
[  410.238166][T27413]  should_failslab+0x10/0x28
[  410.238883][T27413]  slab_pre_alloc_hook+0x64/0xec
[  410.239701][T27413]  __kmalloc_node+0xb8/0x520
[  410.240482][T27413]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.241296][T27413]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.242182][T27413]  nbd_start_device+0x14c/0xb40
[  410.242910][T27413]  nbd_ioctl+0x514/0xc50
[  410.243647][T27413]  blkdev_ioctl+0x5f8/0xbb8
[  410.244360][T27413]  block_ioctl+0xa4/0x118
[  410.245034][T27413]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.245789][T27413]  invoke_syscall+0x98/0x2b8
[  410.246478][T27413]  el0_svc_common+0x138/0x258
[  410.247179][T27413]  do_el0_svc+0x58/0x14c
[  410.247829][T27413]  el0_svc+0x78/0x1e0
[  410.248427][T27413]  el0t_64_sync_handler+0xcc/0xe4
[  410.249307][T27413]  el0t_64_sync+0x1a0/0x1a4
[  410.259725][T27413] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.309418][T27421] block nbd2: shutting down sockets
[  410.326284][T27424] block nbd4: shutting down sockets
[  410.346258][T27425] block nbd1: shutting down sockets
[  410.349351][T27421] FAULT_INJECTION: forcing a failure.
[  410.349351][T27421] name failslab, interval 1, probability 0, space 0, times 0
[  410.351341][T27421] CPU: 0 PID: 27421 Comm: syz-executor.2 Not tainted syzkaller #0
[  410.352504][T27421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.353927][T27421] Call trace:
[  410.354386][T27421]  dump_backtrace+0x0/0x43c
[  410.355028][T27421]  show_stack+0x2c/0x3c
[  410.355615][T27421]  __dump_stack+0x30/0x40
[  410.356231][T27421]  dump_stack_lvl+0xf8/0x160
[  410.356860][T27421]  dump_stack+0x1c/0x5c
[  410.357505][T27421]  should_fail+0x3c0/0x51c
[  410.358141][T27421]  __should_failslab+0xbc/0x10c
[  410.358823][T27421]  should_failslab+0x10/0x28
[  410.359540][T27421]  slab_pre_alloc_hook+0x64/0xec
[  410.360229][T27421]  __kmalloc_node+0xb8/0x520
[  410.360918][T27421]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.361737][T27421]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.362710][T27421]  nbd_start_device+0x14c/0xb40
[  410.363457][T27421]  nbd_ioctl+0x514/0xc50
[  410.364097][T27421]  blkdev_ioctl+0x5f8/0xbb8
[  410.364865][T27421]  block_ioctl+0xa4/0x118
[  410.365563][T27421]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.366321][T27421]  invoke_syscall+0x98/0x2b8
[  410.367041][T27421]  el0_svc_common+0x138/0x258
[  410.367683][T27421]  do_el0_svc+0x58/0x14c
[  410.368260][T27421]  el0_svc+0x78/0x1e0
[  410.368831][T27421]  el0t_64_sync_handler+0xcc/0xe4
[  410.369635][T27421]  el0t_64_sync+0x1a0/0x1a4
[  410.375542][T27421] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.378102][T27429] block nbd3: shutting down sockets
[  410.380670][T27424] FAULT_INJECTION: forcing a failure.
[  410.380670][T27424] name failslab, interval 1, probability 0, space 0, times 0
[  410.382735][T27424] CPU: 1 PID: 27424 Comm: syz-executor.4 Not tainted syzkaller #0
[  410.383996][T27424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.385550][T27424] Call trace:
[  410.386025][T27424]  dump_backtrace+0x0/0x43c
[  410.386743][T27424]  show_stack+0x2c/0x3c
[  410.387446][T27424]  __dump_stack+0x30/0x40
[  410.388106][T27424]  dump_stack_lvl+0xf8/0x160
[  410.388806][T27424]  dump_stack+0x1c/0x5c
[  410.389403][T27424]  should_fail+0x3c0/0x51c
[  410.390112][T27424]  __should_failslab+0xbc/0x10c
[  410.390811][T27424]  should_failslab+0x10/0x28
[  410.391529][T27424]  slab_pre_alloc_hook+0x64/0xec
[  410.392218][T27424]  __kmalloc_node+0xb8/0x520
[  410.392950][T27424]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.393891][T27424]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.394794][T27424]  nbd_start_device+0x14c/0xb40
[  410.395563][T27424]  nbd_ioctl+0x514/0xc50
[  410.396277][T27424]  blkdev_ioctl+0x5f8/0xbb8
[  410.397020][T27424]  block_ioctl+0xa4/0x118
[  410.397695][T27424]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.398500][T27424]  invoke_syscall+0x98/0x2b8
[  410.399267][T27424]  el0_svc_common+0x138/0x258
[  410.400051][T27424]  do_el0_svc+0x58/0x14c
[  410.400700][T27424]  el0_svc+0x78/0x1e0
[  410.401318][T27424]  el0t_64_sync_handler+0xcc/0xe4
[  410.402108][T27424]  el0t_64_sync+0x1a0/0x1a4
[  410.403776][T27424] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.412384][T27425] FAULT_INJECTION: forcing a failure.
[  410.412384][T27425] name failslab, interval 1, probability 0, space 0, times 0
[  410.414334][T27425] CPU: 0 PID: 27425 Comm: syz-executor.1 Not tainted syzkaller #0
[  410.415530][T27425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.416969][T27425] Call trace:
[  410.417434][T27425]  dump_backtrace+0x0/0x43c
[  410.418132][T27425]  show_stack+0x2c/0x3c
[  410.418726][T27425]  __dump_stack+0x30/0x40
[  410.419436][T27425]  dump_stack_lvl+0xf8/0x160
[  410.420129][T27425]  dump_stack+0x1c/0x5c
[  410.420787][T27425]  should_fail+0x3c0/0x51c
[  410.421456][T27425]  __should_failslab+0xbc/0x10c
[  410.422261][T27425]  should_failslab+0x10/0x28
[  410.422974][T27425]  slab_pre_alloc_hook+0x64/0xec
[  410.423770][T27425]  __kmalloc_node+0xb8/0x520
[  410.424511][T27425]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.425444][T27425]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.426316][T27425]  nbd_start_device+0x14c/0xb40
[  410.427073][T27425]  nbd_ioctl+0x514/0xc50
[  410.427753][T27425]  blkdev_ioctl+0x5f8/0xbb8
[  410.428452][T27425]  block_ioctl+0xa4/0x118
[  410.429103][T27425]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.429902][T27425]  invoke_syscall+0x98/0x2b8
[  410.430604][T27425]  el0_svc_common+0x138/0x258
[  410.431334][T27425]  do_el0_svc+0x58/0x14c
[  410.431957][T27425]  el0_svc+0x78/0x1e0
[  410.432558][T27425]  el0t_64_sync_handler+0xcc/0xe4
[  410.433287][T27425]  el0t_64_sync+0x1a0/0x1a4
[  410.436611][T27429] FAULT_INJECTION: forcing a failure.
[  410.436611][T27429] name failslab, interval 1, probability 0, space 0, times 0
[  410.438484][T27429] CPU: 0 PID: 27429 Comm: syz-executor.3 Not tainted syzkaller #0
[  410.439619][T27429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.440385][T27425] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.441042][T27429] Call trace:
[  410.441049][T27429]  dump_backtrace+0x0/0x43c
[  410.441063][T27429]  show_stack+0x2c/0x3c
[  410.441069][T27429]  __dump_stack+0x30/0x40
[  410.441076][T27429]  dump_stack_lvl+0xf8/0x160
[  410.441081][T27429]  dump_stack+0x1c/0x5c
[  410.445802][T27429]  should_fail+0x3c0/0x51c
[  410.446495][T27429]  __should_failslab+0xbc/0x10c
[  410.447310][T27429]  should_failslab+0x10/0x28
[  410.448044][T27429]  slab_pre_alloc_hook+0x64/0xec
[  410.448835][T27429]  __kmalloc_node+0xb8/0x520
[  410.449559][T27429]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.450348][T27429]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.451215][T27429]  nbd_start_device+0x14c/0xb40
[  410.451986][T27429]  nbd_ioctl+0x514/0xc50
[  410.452664][T27429]  blkdev_ioctl+0x5f8/0xbb8
[  410.453373][T27429]  block_ioctl+0xa4/0x118
[  410.454125][T27429]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.454904][T27429]  invoke_syscall+0x98/0x2b8
[  410.455592][T27429]  el0_svc_common+0x138/0x258
[  410.456340][T27429]  do_el0_svc+0x58/0x14c
[  410.457076][T27429]  el0_svc+0x78/0x1e0
[  410.457765][T27429]  el0t_64_sync_handler+0xcc/0xe4
[  410.458577][T27429]  el0t_64_sync+0x1a0/0x1a4
[  410.468451][T27434] block nbd0: shutting down sockets
[  410.469956][T27429] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.498530][T27431] FAULT_INJECTION: forcing a failure.
[  410.498530][T27431] name failslab, interval 1, probability 0, space 0, times 0
[  410.500699][T27431] CPU: 0 PID: 27431 Comm: syz-executor.0 Not tainted syzkaller #0
[  410.501947][T27431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.503508][T27431] Call trace:
[  410.504059][T27431]  dump_backtrace+0x0/0x43c
[  410.504738][T27431]  show_stack+0x2c/0x3c
[  410.505382][T27431]  __dump_stack+0x30/0x40
[  410.506108][T27431]  dump_stack_lvl+0xf8/0x160
[  410.506876][T27431]  dump_stack+0x1c/0x5c
[  410.507593][T27431]  should_fail+0x3c0/0x51c
[  410.508284][T27431]  __should_failslab+0xbc/0x10c
[  410.509020][T27431]  should_failslab+0x10/0x28
[  410.509773][T27431]  slab_pre_alloc_hook+0x64/0xec
[  410.510570][T27431]  __kmalloc_node+0xb8/0x520
[  410.511345][T27431]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.512210][T27431]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.513128][T27431]  nbd_start_device+0x14c/0xb40
[  410.513909][T27431]  nbd_ioctl+0x514/0xc50
[  410.514666][T27431]  blkdev_ioctl+0x5f8/0xbb8
[  410.515433][T27431]  block_ioctl+0xa4/0x118
[  410.516187][T27431]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.516999][T27431]  invoke_syscall+0x98/0x2b8
[  410.517734][T27431]  el0_svc_common+0x138/0x258
[  410.518489][T27431]  do_el0_svc+0x58/0x14c
[  410.519116][T27431]  el0_svc+0x78/0x1e0
[  410.519781][T27431]  el0t_64_sync_handler+0xcc/0xe4
[  410.520638][T27431]  el0t_64_sync+0x1a0/0x1a4
[  410.523259][T27431] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.536649][T27438] block nbd1: shutting down sockets
[  410.537018][T27437] block nbd4: shutting down sockets
[  410.586397][T27444] block nbd2: shutting down sockets
[  410.588420][T27438] FAULT_INJECTION: forcing a failure.
[  410.588420][T27438] name failslab, interval 1, probability 0, space 0, times 0
[  410.591111][T27438] CPU: 1 PID: 27438 Comm: syz-executor.1 Not tainted syzkaller #0
[  410.592314][T27438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.593914][T27438] Call trace:
[  410.594449][T27438]  dump_backtrace+0x0/0x43c
[  410.595194][T27438]  show_stack+0x2c/0x3c
[  410.595861][T27438]  __dump_stack+0x30/0x40
[  410.596546][T27438]  dump_stack_lvl+0xf8/0x160
[  410.597229][T27438]  dump_stack+0x1c/0x5c
[  410.597860][T27438]  should_fail+0x3c0/0x51c
[  410.598643][T27438]  __should_failslab+0xbc/0x10c
[  410.599456][T27438]  should_failslab+0x10/0x28
[  410.600207][T27438]  slab_pre_alloc_hook+0x64/0xec
[  410.600973][T27438]  __kmalloc_node+0xb8/0x520
[  410.601675][T27438]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.602579][T27438]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.603504][T27438]  nbd_start_device+0x14c/0xb40
[  410.604333][T27438]  nbd_ioctl+0x514/0xc50
[  410.605071][T27438]  blkdev_ioctl+0x5f8/0xbb8
[  410.605779][T27438]  block_ioctl+0xa4/0x118
[  410.606405][T27438]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.607263][T27438]  invoke_syscall+0x98/0x2b8
[  410.608088][T27438]  el0_svc_common+0x138/0x258
[  410.608780][T27438]  do_el0_svc+0x58/0x14c
[  410.609456][T27438]  el0_svc+0x78/0x1e0
[  410.610069][T27438]  el0t_64_sync_handler+0xcc/0xe4
[  410.610813][T27438]  el0t_64_sync+0x1a0/0x1a4
[  410.613006][T27438] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.618612][T27437] FAULT_INJECTION: forcing a failure.
[  410.618612][T27437] name failslab, interval 1, probability 0, space 0, times 0
[  410.622357][T27437] CPU: 0 PID: 27437 Comm: syz-executor.4 Not tainted syzkaller #0
[  410.623578][T27437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.625274][T27437] Call trace:
[  410.625790][T27437]  dump_backtrace+0x0/0x43c
[  410.626505][T27437]  show_stack+0x2c/0x3c
[  410.627210][T27437]  __dump_stack+0x30/0x40
[  410.627868][T27437]  dump_stack_lvl+0xf8/0x160
[  410.628615][T27437]  dump_stack+0x1c/0x5c
[  410.629244][T27437]  should_fail+0x3c0/0x51c
[  410.629942][T27437]  __should_failslab+0xbc/0x10c
[  410.630674][T27437]  should_failslab+0x10/0x28
[  410.631424][T27437]  slab_pre_alloc_hook+0x64/0xec
[  410.632187][T27437]  __kmalloc_node+0xb8/0x520
[  410.632926][T27437]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.633825][T27437]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.634771][T27437]  nbd_start_device+0x14c/0xb40
[  410.635524][T27437]  nbd_ioctl+0x514/0xc50
[  410.636202][T27437]  blkdev_ioctl+0x5f8/0xbb8
[  410.636937][T27437]  block_ioctl+0xa4/0x118
[  410.637625][T27437]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.638393][T27437]  invoke_syscall+0x98/0x2b8
[  410.639126][T27437]  el0_svc_common+0x138/0x258
[  410.639809][T27437]  do_el0_svc+0x58/0x14c
[  410.640457][T27437]  el0_svc+0x78/0x1e0
[  410.641095][T27437]  el0t_64_sync_handler+0xcc/0xe4
[  410.641895][T27437]  el0t_64_sync+0x1a0/0x1a4
[  410.644226][T27437] Increasing nr_hw_queues to 2 fails, fallback to 1
[  410.646137][T27450] block nbd3: Device being setup by another task
[  410.648908][T27441] FAULT_INJECTION: forcing a failure.
[  410.648908][T27441] name failslab, interval 1, probability 0, space 0, times 0
[  410.650774][T27441] CPU: 0 PID: 27441 Comm: syz-executor.2 Not tainted syzkaller #0
[  410.651878][T27441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  410.653374][T27441] Call trace:
[  410.653861][T27441]  dump_backtrace+0x0/0x43c
[  410.654528][T27441]  show_stack+0x2c/0x3c
[  410.655163][T27441]  __dump_stack+0x30/0x40
[  410.655788][T27441]  dump_stack_lvl+0xf8/0x160
[  410.656591][T27441]  dump_stack+0x1c/0x5c
[  410.657293][T27441]  should_fail+0x3c0/0x51c
[  410.658047][T27441]  __should_failslab+0xbc/0x10c
[  410.658831][T27441]  should_failslab+0x10/0x28
[  410.659570][T27441]  slab_pre_alloc_hook+0x64/0xec
[  410.660343][T27441]  __kmalloc_node+0xb8/0x520
[  410.660996][T27441]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  410.661751][T27441]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  410.662583][T27441]  nbd_start_device+0x14c/0xb40
[  410.663323][T27441]  nbd_ioctl+0x514/0xc50
[  410.664023][T27441]  blkdev_ioctl+0x5f8/0xbb8
[  410.664764][T27441]  block_ioctl+0xa4/0x118
[  410.665425][T27441]  __arm64_sys_ioctl+0x14c/0x1c8
[  410.666178][T27441]  invoke_syscall+0x98/0x2b8
[  410.666909][T27441]  el0_svc_common+0x138/0x258
[  410.667665][T27441]  do_el0_svc+0x58/0x14c
[  410.668361][T27441]  el0_svc+0x78/0x1e0
[  410.669001][T27441]  el0t_64_sync_handler+0xcc/0xe4
[  410.669837][T27441]  el0t_64_sync+0x1a0/0x1a4
[  410.681965][T27441] Increasing nr_hw_queues to 2 fails, fallback to 1
[  411.366383][T27442] block nbd3: shutting down sockets
[  411.661084][ T1643] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  411.663953][T27447] block nbd0: shutting down sockets
[  411.701396][ T1643] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  411.751158][ T1643] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  411.792992][ T1643] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  412.948238][ T1643] device hsr_slave_0 left promiscuous mode
[  412.966737][ T1643] device hsr_slave_1 left promiscuous mode
Warning: Permanently added '10.128.1.124' (ED25519) to the list of known hosts.
[  413.045911][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  413.047110][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_0
[  413.048666][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  413.049758][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_1
[  413.051198][ T1643] device bridge_slave_1 left promiscuous mode
[  413.052208][ T1643] bridge0: port 2(bridge_slave_1) entered disabled state
[  413.086568][ T1643] device bridge_slave_0 left promiscuous mode
[  413.087596][ T1643] bridge0: port 1(bridge_slave_0) entered disabled state
[  413.216243][T27574] block nbd3: shutting down sockets
[  413.218986][ T1643] device veth1_macvtap left promiscuous mode
[  413.220026][ T1643] device veth0_macvtap left promiscuous mode
[  413.221078][ T1643] device veth1_vlan left promiscuous mode
[  413.222038][ T1643] device veth0_vlan left promiscuous mode
[  413.225786][T27566] block nbd0: shutting down sockets
[  413.227030][T27574] FAULT_INJECTION: forcing a failure.
[  413.227030][T27574] name failslab, interval 1, probability 0, space 0, times 0
[  413.229133][T27574] CPU: 0 PID: 27574 Comm: syz-executor114 Not tainted syzkaller #0
[  413.230351][T27574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.231873][T27574] Call trace:
[  413.232345][T27574]  dump_backtrace+0x0/0x43c
[  413.233006][T27574]  show_stack+0x2c/0x3c
[  413.233705][T27574]  __dump_stack+0x30/0x40
[  413.234453][T27574]  dump_stack_lvl+0xf8/0x160
[  413.235226][T27574]  dump_stack+0x1c/0x5c
[  413.235920][T27574]  should_fail+0x3c0/0x51c
[  413.236667][T27574]  __should_failslab+0xbc/0x10c
[  413.237461][T27574]  should_failslab+0x10/0x28
[  413.238241][T27574]  slab_pre_alloc_hook+0x64/0xec
[  413.238990][T27574]  __kmalloc+0xbc/0x44c
[  413.239596][T27574]  tomoyo_supervisor+0xa50/0xf48
[  413.240320][T27574]  tomoyo_path_number_perm+0x3bc/0x518
[  413.241136][T27574]  tomoyo_file_ioctl+0x2c/0x3c
[  413.241847][T27574]  security_file_ioctl+0x80/0xbc
[  413.242575][T27574]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.242652][T27566] FAULT_INJECTION: forcing a failure.
[  413.242652][T27566] name failslab, interval 1, probability 0, space 0, times 0
[  413.243314][T27574]  invoke_syscall+0x98/0x2b8
[  413.245906][T27574]  el0_svc_common+0x138/0x258
[  413.246646][T27574]  do_el0_svc+0x58/0x14c
[  413.247357][T27574]  el0_svc+0x78/0x1e0
[  413.248042][T27574]  el0t_64_sync_handler+0xcc/0xe4
[  413.248933][T27574]  el0t_64_sync+0x1a0/0x1a4
[  413.251795][T27571] block nbd1: shutting down sockets
[  413.252817][T27566] CPU: 1 PID: 27566 Comm: syz-executor114 Not tainted syzkaller #0
[  413.253973][T27566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.255548][T27566] Call trace:
[  413.256117][T27566]  dump_backtrace+0x0/0x43c
[  413.256884][T27566]  show_stack+0x2c/0x3c
[  413.257560][T27566]  __dump_stack+0x30/0x40
[  413.258257][T27566]  dump_stack_lvl+0xf8/0x160
[  413.259027][T27566]  dump_stack+0x1c/0x5c
[  413.259676][T27566]  should_fail+0x3c0/0x51c
[  413.260348][T27566]  __should_failslab+0xbc/0x10c
[  413.261200][T27566]  should_failslab+0x10/0x28
[  413.262017][T27566]  slab_pre_alloc_hook+0x64/0xec
[  413.262848][T27566]  __kmalloc+0xbc/0x44c
[  413.263559][T27566]  tomoyo_supervisor+0xa50/0xf48
[  413.264267][T27566]  tomoyo_path_number_perm+0x3bc/0x518
[  413.265103][T27566]  tomoyo_file_ioctl+0x2c/0x3c
[  413.265878][T27566]  security_file_ioctl+0x80/0xbc
[  413.266647][T27566]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.267338][T27566]  invoke_syscall+0x98/0x2b8
[  413.268008][T27571] FAULT_INJECTION: forcing a failure.
[  413.268008][T27571] name failslab, interval 1, probability 0, space 0, times 0
[  413.268097][T27566]  el0_svc_common+0x138/0x258
[  413.270824][T27566]  do_el0_svc+0x58/0x14c
[  413.271505][T27566]  el0_svc+0x78/0x1e0
[  413.272140][T27566]  el0t_64_sync_handler+0xcc/0xe4
[  413.272930][T27566]  el0t_64_sync+0x1a0/0x1a4
[  413.275077][T27571] CPU: 0 PID: 27571 Comm: syz-executor114 Not tainted syzkaller #0
[  413.276284][T27571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.277899][T27571] Call trace:
[  413.278432][T27571]  dump_backtrace+0x0/0x43c
[  413.279149][T27571]  show_stack+0x2c/0x3c
[  413.279779][T27571]  __dump_stack+0x30/0x40
[  413.280498][T27571]  dump_stack_lvl+0xf8/0x160
[  413.281157][T27571]  dump_stack+0x1c/0x5c
[  413.281815][T27571]  should_fail+0x3c0/0x51c
[  413.282571][T27571]  __should_failslab+0xbc/0x10c
[  413.283404][T27571]  should_failslab+0x10/0x28
[  413.284109][T27571]  slab_pre_alloc_hook+0x64/0xec
[  413.284937][T27571]  __kmalloc+0xbc/0x44c
[  413.285580][T27571]  tomoyo_supervisor+0xa50/0xf48
[  413.286306][T27571]  tomoyo_path_number_perm+0x3bc/0x518
[  413.287195][T27571]  tomoyo_file_ioctl+0x2c/0x3c
[  413.287945][T27571]  security_file_ioctl+0x80/0xbc
[  413.288742][T27571]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.289538][T27571]  invoke_syscall+0x98/0x2b8
[  413.290281][T27571]  el0_svc_common+0x138/0x258
[  413.291009][T27571]  do_el0_svc+0x58/0x14c
[  413.291702][T27571]  el0_svc+0x78/0x1e0
[  413.292304][T27571]  el0t_64_sync_handler+0xcc/0xe4
[  413.293092][T27571]  el0t_64_sync+0x1a0/0x1a4
[  413.319902][T27572] block nbd2: shutting down sockets
[  413.337876][T27573] block nbd4: shutting down sockets
[  413.347941][T27572] FAULT_INJECTION: forcing a failure.
[  413.347941][T27572] name failslab, interval 1, probability 0, space 0, times 0
[  413.350094][T27572] CPU: 1 PID: 27572 Comm: syz-executor114 Not tainted syzkaller #0
[  413.351301][T27572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.352810][T27572] Call trace:
[  413.353297][T27572]  dump_backtrace+0x0/0x43c
[  413.353930][T27572]  show_stack+0x2c/0x3c
[  413.354517][T27572]  __dump_stack+0x30/0x40
[  413.355129][T27572]  dump_stack_lvl+0xf8/0x160
[  413.355825][T27572]  dump_stack+0x1c/0x5c
[  413.356463][T27572]  should_fail+0x3c0/0x51c
[  413.357229][T27572]  __should_failslab+0xbc/0x10c
[  413.357991][T27572]  should_failslab+0x10/0x28
[  413.358674][T27572]  slab_pre_alloc_hook+0x64/0xec
[  413.359462][T27572]  __kmalloc+0xbc/0x44c
[  413.360098][T27572]  tomoyo_supervisor+0xa50/0xf48
[  413.360856][T27572]  tomoyo_path_number_perm+0x3bc/0x518
[  413.361783][T27572]  tomoyo_file_ioctl+0x2c/0x3c
[  413.362504][T27572]  security_file_ioctl+0x80/0xbc
[  413.363363][T27572]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.364113][T27572]  invoke_syscall+0x98/0x2b8
[  413.364770][T27572]  el0_svc_common+0x138/0x258
[  413.365495][T27572]  do_el0_svc+0x58/0x14c
[  413.366085][T27572]  el0_svc+0x78/0x1e0
[  413.366710][T27572]  el0t_64_sync_handler+0xcc/0xe4
[  413.367422][T27572]  el0t_64_sync+0x1a0/0x1a4
[  413.374939][T27573] FAULT_INJECTION: forcing a failure.
[  413.374939][T27573] name failslab, interval 1, probability 0, space 0, times 0
[  413.377027][T27573] CPU: 1 PID: 27573 Comm: syz-executor114 Not tainted syzkaller #0
[  413.378212][T27573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.379695][T27573] Call trace:
[  413.380161][T27573]  dump_backtrace+0x0/0x43c
[  413.380846][T27573]  show_stack+0x2c/0x3c
[  413.381512][T27573]  __dump_stack+0x30/0x40
[  413.382148][T27573]  dump_stack_lvl+0xf8/0x160
[  413.382765][T27573]  dump_stack+0x1c/0x5c
[  413.383416][T27573]  should_fail+0x3c0/0x51c
[  413.384024][T27573]  __should_failslab+0xbc/0x10c
[  413.384690][T27573]  should_failslab+0x10/0x28
[  413.385388][T27573]  slab_pre_alloc_hook+0x64/0xec
[  413.386074][T27573]  __kmalloc+0xbc/0x44c
[  413.386654][T27573]  tomoyo_supervisor+0xa50/0xf48
[  413.387384][T27573]  tomoyo_path_number_perm+0x3bc/0x518
[  413.388263][T27573]  tomoyo_file_ioctl+0x2c/0x3c
[  413.389033][T27573]  security_file_ioctl+0x80/0xbc
[  413.389832][T27573]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.390640][T27573]  invoke_syscall+0x98/0x2b8
[  413.391393][T27573]  el0_svc_common+0x138/0x258
[  413.392093][T27573]  do_el0_svc+0x58/0x14c
[  413.392743][T27573]  el0_svc+0x78/0x1e0
[  413.393398][T27573]  el0t_64_sync_handler+0xcc/0xe4
[  413.394147][T27573]  el0t_64_sync+0x1a0/0x1a4
[  413.440513][ T1643] team0 (unregistering): Port device team_slave_1 removed
[  413.445713][ T1643] team0 (unregistering): Port device team_slave_0 removed
[  413.450603][ T1643] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  413.456941][T27583] block nbd3: shutting down sockets
[  413.469021][T27582] block nbd1: shutting down sockets
[  413.480256][ T1643] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  413.489721][T27585] block nbd0: shutting down sockets
[  413.491568][T27583] FAULT_INJECTION: forcing a failure.
[  413.491568][T27583] name failslab, interval 1, probability 0, space 0, times 0
[  413.493685][T27583] CPU: 0 PID: 27583 Comm: syz-executor114 Not tainted syzkaller #0
[  413.494875][T27583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.496345][T27583] Call trace:
[  413.496868][T27583]  dump_backtrace+0x0/0x43c
[  413.497611][T27583]  show_stack+0x2c/0x3c
[  413.498310][T27583]  __dump_stack+0x30/0x40
[  413.499074][T27583]  dump_stack_lvl+0xf8/0x160
[  413.499870][T27583]  dump_stack+0x1c/0x5c
[  413.499911][T27585] FAULT_INJECTION: forcing a failure.
[  413.499911][T27585] name failslab, interval 1, probability 0, space 0, times 0
[  413.500545][T27583]  should_fail+0x3c0/0x51c
[  413.503392][T27583]  __should_failslab+0xbc/0x10c
[  413.504205][T27583]  should_failslab+0x10/0x28
[  413.504978][T27583]  slab_pre_alloc_hook+0x64/0xec
[  413.505790][T27583]  __kmalloc+0xbc/0x44c
[  413.506477][T27583]  tomoyo_supervisor+0xa50/0xf48
[  413.507247][T27583]  tomoyo_path_number_perm+0x3bc/0x518
[  413.508088][T27583]  tomoyo_file_ioctl+0x2c/0x3c
[  413.508816][T27583]  security_file_ioctl+0x80/0xbc
[  413.509582][T27583]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.510317][T27583]  invoke_syscall+0x98/0x2b8
[  413.511061][T27583]  el0_svc_common+0x138/0x258
[  413.511754][T27583]  do_el0_svc+0x58/0x14c
[  413.512408][T27583]  el0_svc+0x78/0x1e0
[  413.513025][T27583]  el0t_64_sync_handler+0xcc/0xe4
[  413.513862][T27583]  el0t_64_sync+0x1a0/0x1a4
[  413.514539][T27585] CPU: 1 PID: 27585 Comm: syz-executor114 Not tainted syzkaller #0
[  413.515787][T27585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.517492][T27585] Call trace:
[  413.518039][T27585]  dump_backtrace+0x0/0x43c
[  413.518780][T27585]  show_stack+0x2c/0x3c
[  413.519434][T27585]  __dump_stack+0x30/0x40
[  413.520166][T27585]  dump_stack_lvl+0xf8/0x160
[  413.520926][T27585]  dump_stack+0x1c/0x5c
[  413.521604][T27585]  should_fail+0x3c0/0x51c
[  413.522332][T27585]  __should_failslab+0xbc/0x10c
[  413.523090][T27585]  should_failslab+0x10/0x28
[  413.523803][T27585]  slab_pre_alloc_hook+0x64/0xec
[  413.524574][T27585]  __kmalloc+0xbc/0x44c
[  413.525250][T27585]  tomoyo_supervisor+0xa50/0xf48
[  413.526013][T27585]  tomoyo_path_number_perm+0x3bc/0x518
[  413.526828][T27585]  tomoyo_file_ioctl+0x2c/0x3c
[  413.527554][T27585]  security_file_ioctl+0x80/0xbc
[  413.528356][T27585]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.529138][T27585]  invoke_syscall+0x98/0x2b8
[  413.529917][T27585]  el0_svc_common+0x138/0x258
[  413.530628][T27585]  do_el0_svc+0x58/0x14c
[  413.531253][T27585]  el0_svc+0x78/0x1e0
[  413.531831][T27585]  el0t_64_sync_handler+0xcc/0xe4
[  413.532578][T27585]  el0t_64_sync+0x1a0/0x1a4
[  413.560181][T27586] FAULT_INJECTION: forcing a failure.
[  413.560181][T27586] name failslab, interval 1, probability 0, space 0, times 0
[  413.565918][T27586] CPU: 1 PID: 27586 Comm: syz-executor114 Not tainted syzkaller #0
[  413.567117][T27586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.568647][T27586] Call trace:
[  413.569121][T27586]  dump_backtrace+0x0/0x43c
[  413.569857][T27586]  show_stack+0x2c/0x3c
[  413.570504][T27586]  __dump_stack+0x30/0x40
[  413.571206][T27586]  dump_stack_lvl+0xf8/0x160
[  413.571943][T27586]  dump_stack+0x1c/0x5c
[  413.572638][T27586]  should_fail+0x3c0/0x51c
[  413.573408][T27586]  __should_failslab+0xbc/0x10c
[  413.574192][T27586]  should_failslab+0x10/0x28
[  413.575055][T27586]  slab_pre_alloc_hook+0x64/0xec
[  413.575838][T27586]  __kmalloc+0xbc/0x44c
[  413.576516][T27586]  tomoyo_supervisor+0xa50/0xf48
[  413.577214][T27586]  tomoyo_path_number_perm+0x3bc/0x518
[  413.578137][T27586]  tomoyo_file_ioctl+0x2c/0x3c
[  413.578940][T27586]  security_file_ioctl+0x80/0xbc
[  413.579763][T27586]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.580558][T27586]  invoke_syscall+0x98/0x2b8
[  413.581236][T27586]  el0_svc_common+0x138/0x258
[  413.581951][T27586]  do_el0_svc+0x58/0x14c
[  413.582588][T27586]  el0_svc+0x78/0x1e0
[  413.583199][T27586]  el0t_64_sync_handler+0xcc/0xe4
[  413.583999][T27586]  el0t_64_sync+0x1a0/0x1a4
[  413.601185][ T1643] bond0 (unregistering): Released all slaves
[  413.626928][T27591] block nbd4: shutting down sockets
[  413.639257][T27591] FAULT_INJECTION: forcing a failure.
[  413.639257][T27591] name failslab, interval 1, probability 0, space 0, times 0
[  413.641425][T27591] CPU: 0 PID: 27591 Comm: syz-executor114 Not tainted syzkaller #0
[  413.642646][T27591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.644123][T27591] Call trace:
[  413.644593][T27591]  dump_backtrace+0x0/0x43c
[  413.645258][T27591]  show_stack+0x2c/0x3c
[  413.645983][T27591]  __dump_stack+0x30/0x40
[  413.646728][T27591]  dump_stack_lvl+0xf8/0x160
[  413.646888][T27592] block nbd3: shutting down sockets
[  413.647488][T27591]  dump_stack+0x1c/0x5c
[  413.649046][T27591]  should_fail+0x3c0/0x51c
[  413.649788][T27591]  __should_failslab+0xbc/0x10c
[  413.650579][T27591]  should_failslab+0x10/0x28
[  413.651277][T27591]  slab_pre_alloc_hook+0x64/0xec
[  413.652002][T27591]  __kmalloc+0xbc/0x44c
[  413.652696][T27591]  tomoyo_supervisor+0xa50/0xf48
[  413.653498][T27591]  tomoyo_path_number_perm+0x3bc/0x518
[  413.654408][T27591]  tomoyo_file_ioctl+0x2c/0x3c
[  413.655166][T27591]  security_file_ioctl+0x80/0xbc
[  413.655914][T27591]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.656730][T27591]  invoke_syscall+0x98/0x2b8
[  413.657532][T27591]  el0_svc_common+0x138/0x258
[  413.657900][T27592] FAULT_INJECTION: forcing a failure.
[  413.657900][T27592] name failslab, interval 1, probability 0, space 0, times 0
[  413.658301][T27591]  do_el0_svc+0x58/0x14c
[  413.658318][T27591]  el0_svc+0x78/0x1e0
[  413.661734][T27591]  el0t_64_sync_handler+0xcc/0xe4
[  413.662607][T27591]  el0t_64_sync+0x1a0/0x1a4
[  413.663314][T27592] CPU: 1 PID: 27592 Comm: syz-executor114 Not tainted syzkaller #0
[  413.664536][T27592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.666011][T27592] Call trace:
[  413.666550][T27592]  dump_backtrace+0x0/0x43c
[  413.667206][T27592]  show_stack+0x2c/0x3c
[  413.667810][T27592]  __dump_stack+0x30/0x40
[  413.668421][T27592]  dump_stack_lvl+0xf8/0x160
[  413.669096][T27592]  dump_stack+0x1c/0x5c
[  413.669743][T27592]  should_fail+0x3c0/0x51c
[  413.670501][T27592]  __should_failslab+0xbc/0x10c
[  413.671245][T27592]  should_failslab+0x10/0x28
[  413.671969][T27592]  slab_pre_alloc_hook+0x64/0xec
[  413.672789][T27592]  __kmalloc+0xbc/0x44c
[  413.673518][T27592]  tomoyo_supervisor+0xa50/0xf48
[  413.674363][T27592]  tomoyo_path_number_perm+0x3bc/0x518
[  413.675278][T27592]  tomoyo_file_ioctl+0x2c/0x3c
[  413.676031][T27592]  security_file_ioctl+0x80/0xbc
[  413.676851][T27592]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.677682][T27592]  invoke_syscall+0x98/0x2b8
[  413.678461][T27592]  el0_svc_common+0x138/0x258
[  413.679277][T27592]  do_el0_svc+0x58/0x14c
[  413.679933][T27592]  el0_svc+0x78/0x1e0
[  413.680590][T27592]  el0t_64_sync_handler+0xcc/0xe4
[  413.681321][T27592]  el0t_64_sync+0x1a0/0x1a4
[  413.691412][T27593] block nbd2: shutting down sockets
[  413.707745][T27600] block nbd0: shutting down sockets
[  413.707747][T27593] FAULT_INJECTION: forcing a failure.
[  413.707747][T27593] name failslab, interval 1, probability 0, space 0, times 0
[  413.707764][T27593] CPU: 1 PID: 27593 Comm: syz-executor114 Not tainted syzkaller #0
[  413.711707][T27593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.713256][T27593] Call trace:
[  413.713781][T27593]  dump_backtrace+0x0/0x43c
[  413.714545][T27593]  show_stack+0x2c/0x3c
[  413.715275][T27593]  __dump_stack+0x30/0x40
[  413.715996][T27593]  dump_stack_lvl+0xf8/0x160
[  413.716788][T27593]  dump_stack+0x1c/0x5c
[  413.717484][T27593]  should_fail+0x3c0/0x51c
[  413.718186][T27593]  __should_failslab+0xbc/0x10c
[  413.718978][T27593]  should_failslab+0x10/0x28
[  413.719704][T27593]  slab_pre_alloc_hook+0x64/0xec
[  413.720507][T27593]  __kmalloc+0xbc/0x44c
[  413.721250][T27593]  tomoyo_supervisor+0xa50/0xf48
[  413.721998][T27593]  tomoyo_path_number_perm+0x3bc/0x518
[  413.722790][T27593]  tomoyo_file_ioctl+0x2c/0x3c
[  413.723544][T27593]  security_file_ioctl+0x80/0xbc
[  413.723976][T27597] block nbd1: shutting down sockets
[  413.724320][T27593]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.725923][T27593]  invoke_syscall+0x98/0x2b8
[  413.726669][T27593]  el0_svc_common+0x138/0x258
[  413.727418][T27593]  do_el0_svc+0x58/0x14c
[  413.728048][T27593]  el0_svc+0x78/0x1e0
[  413.728646][T27593]  el0t_64_sync_handler+0xcc/0xe4
[  413.729448][T27593]  el0t_64_sync+0x1a0/0x1a4
[  413.754334][T27595] FAULT_INJECTION: forcing a failure.
[  413.754334][T27595] name failslab, interval 1, probability 0, space 0, times 0
[  413.766553][T27595] CPU: 0 PID: 27595 Comm: syz-executor114 Not tainted syzkaller #0
[  413.767919][T27595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.769654][T27595] Call trace:
[  413.770182][T27595]  dump_backtrace+0x0/0x43c
[  413.770907][T27595]  show_stack+0x2c/0x3c
[  413.771604][T27595]  __dump_stack+0x30/0x40
[  413.772310][T27595]  dump_stack_lvl+0xf8/0x160
[  413.772981][T27595]  dump_stack+0x1c/0x5c
[  413.773646][T27595]  should_fail+0x3c0/0x51c
[  413.774355][T27595]  __should_failslab+0xbc/0x10c
[  413.775101][T27595]  should_failslab+0x10/0x28
[  413.775886][T27595]  slab_pre_alloc_hook+0x64/0xec
[  413.776657][T27597] FAULT_INJECTION: forcing a failure.
[  413.776657][T27597] name failslab, interval 1, probability 0, space 0, times 0
[  413.776700][T27595]  __kmalloc+0xbc/0x44c
[  413.779499][T27595]  tomoyo_supervisor+0xa50/0xf48
[  413.780255][T27595]  tomoyo_path_number_perm+0x3bc/0x518
[  413.781143][T27595]  tomoyo_file_ioctl+0x2c/0x3c
[  413.781952][T27595]  security_file_ioctl+0x80/0xbc
[  413.782723][T27595]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.783498][T27595]  invoke_syscall+0x98/0x2b8
[  413.784251][T27595]  el0_svc_common+0x138/0x258
[  413.785018][T27595]  do_el0_svc+0x58/0x14c
[  413.785738][T27595]  el0_svc+0x78/0x1e0
[  413.786409][T27595]  el0t_64_sync_handler+0xcc/0xe4
[  413.787232][T27595]  el0t_64_sync+0x1a0/0x1a4
[  413.787962][T27597] CPU: 1 PID: 27597 Comm: syz-executor114 Not tainted syzkaller #0
[  413.789183][T27597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.790765][T27597] Call trace:
[  413.791269][T27597]  dump_backtrace+0x0/0x43c
[  413.792026][T27597]  show_stack+0x2c/0x3c
[  413.792701][T27597]  __dump_stack+0x30/0x40
[  413.793388][T27597]  dump_stack_lvl+0xf8/0x160
[  413.794175][T27597]  dump_stack+0x1c/0x5c
[  413.794805][T27597]  should_fail+0x3c0/0x51c
[  413.795456][T27597]  __should_failslab+0xbc/0x10c
[  413.796241][T27597]  should_failslab+0x10/0x28
[  413.796992][T27597]  slab_pre_alloc_hook+0x64/0xec
[  413.797785][T27597]  __kmalloc+0xbc/0x44c
[  413.798432][T27597]  tomoyo_supervisor+0xa50/0xf48
[  413.799178][T27597]  tomoyo_path_number_perm+0x3bc/0x518
[  413.799977][T27597]  tomoyo_file_ioctl+0x2c/0x3c
[  413.800661][T27597]  security_file_ioctl+0x80/0xbc
[  413.801406][T27597]  __arm64_sys_ioctl+0xa8/0x1c8
[  413.802201][T27597]  invoke_syscall+0x98/0x2b8
[  413.802915][T27597]  el0_svc_common+0x138/0x258
[  413.803644][T27597]  do_el0_svc+0x58/0x14c
[  413.804347][T27597]  el0_svc+0x78/0x1e0
[  413.805012][T27597]  el0t_64_sync_handler+0xcc/0xe4
[  413.805841][T27597]  el0t_64_sync+0x1a0/0x1a4
[  413.827283][T27601] block nbd3: shutting down sockets
[  413.839743][T27601] FAULT_INJECTION: forcing a failure.
[  413.839743][T27601] name failslab, interval 1, probability 0, space 0, times 0
[  413.841862][T27601] CPU: 0 PID: 27601 Comm: syz-executor114 Not tainted syzkaller #0
[  413.843071][T27601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.844706][T27601] Call trace:
[  413.845202][T27601]  dump_backtrace+0x0/0x43c
[  413.845875][T27601]  show_stack+0x2c/0x3c
[  413.846544][T27601]  __dump_stack+0x30/0x40
[  413.847284][T27601]  dump_stack_lvl+0xf8/0x160
[  413.848031][T27601]  dump_stack+0x1c/0x5c
[  413.848681][T27601]  should_fail+0x3c0/0x51c
[  413.849417][T27601]  __should_failslab+0xbc/0x10c
[  413.850239][T27601]  should_failslab+0x10/0x28
[  413.850995][T27601]  slab_pre_alloc_hook+0x64/0xec
[  413.851804][T27601]  kmem_cache_alloc+0x94/0x3e4
[  413.852594][T27601]  new_inode_pseudo+0x10c/0x1fc
[  413.853403][T27601]  new_inode+0x38/0x174
[  413.854116][T27601]  debugfs_create_dir+0xec/0x3f4
[  413.854857][T27601]  nbd_start_device+0x3c8/0xb40
[  413.855627][T27601]  nbd_ioctl+0x514/0xc50
[  413.856319][T27601]  blkdev_ioctl+0x5f8/0xbb8
[  413.857121][T27601]  block_ioctl+0xa4/0x118
[  413.857876][T27601]  __arm64_sys_ioctl+0x14c/0x1c8
[  413.858740][T27601]  invoke_syscall+0x98/0x2b8
[  413.859478][T27601]  el0_svc_common+0x138/0x258
[  413.860334][T27601]  do_el0_svc+0x58/0x14c
[  413.861036][T27601]  el0_svc+0x78/0x1e0
[  413.861675][T27601]  el0t_64_sync_handler+0xcc/0xe4
[  413.862424][T27601]  el0t_64_sync+0x1a0/0x1a4
[  413.867448][T27601] debugfs: out of free dentries, can not create directory 'nbd3'
[  413.869199][T27601] block nbd3: Failed to create debugfs dir for 'nbd3'
[  413.897229][T27604] block nbd4: shutting down sockets
[  413.907011][T27604] FAULT_INJECTION: forcing a failure.
[  413.907011][T27604] name failslab, interval 1, probability 0, space 0, times 0
[  413.909023][T27606] block nbd2: shutting down sockets
[  413.910119][T27604] CPU: 0 PID: 27604 Comm: syz-executor114 Not tainted syzkaller #0
[  413.911371][T27604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.912975][T27604] Call trace:
[  413.913439][T27604]  dump_backtrace+0x0/0x43c
[  413.914154][T27604]  show_stack+0x2c/0x3c
[  413.914862][T27604]  __dump_stack+0x30/0x40
[  413.915582][T27604]  dump_stack_lvl+0xf8/0x160
[  413.916371][T27604]  dump_stack+0x1c/0x5c
[  413.917088][T27604]  should_fail+0x3c0/0x51c
[  413.917851][T27604]  __should_failslab+0xbc/0x10c
[  413.918621][T27604]  should_failslab+0x10/0x28
[  413.919330][T27604]  slab_pre_alloc_hook+0x64/0xec
[  413.920195][T27604]  kmem_cache_alloc+0x94/0x3e4
[  413.921014][T27604]  new_inode_pseudo+0x10c/0x1fc
[  413.921754][T27604]  new_inode+0x38/0x174
[  413.922419][T27604]  debugfs_create_dir+0xec/0x3f4
[  413.923203][T27604]  nbd_start_device+0x3c8/0xb40
[  413.924064][T27604]  nbd_ioctl+0x514/0xc50
[  413.924774][T27604]  blkdev_ioctl+0x5f8/0xbb8
[  413.925592][T27604]  block_ioctl+0xa4/0x118
[  413.926372][T27604]  __arm64_sys_ioctl+0x14c/0x1c8
[  413.927237][T27604]  invoke_syscall+0x98/0x2b8
[  413.928016][T27604]  el0_svc_common+0x138/0x258
[  413.928757][T27604]  do_el0_svc+0x58/0x14c
[  413.929438][T27604]  el0_svc+0x78/0x1e0
[  413.930116][T27604]  el0t_64_sync_handler+0xcc/0xe4
[  413.931000][T27604]  el0t_64_sync+0x1a0/0x1a4
[  413.935156][T27604] debugfs: out of free dentries, can not create directory 'nbd4'
[  413.936867][T27606] FAULT_INJECTION: forcing a failure.
[  413.936867][T27606] name failslab, interval 1, probability 0, space 0, times 0
[  413.939182][T27606] CPU: 0 PID: 27606 Comm: syz-executor114 Not tainted syzkaller #0
[  413.940558][T27606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  413.942170][T27606] Call trace:
[  413.942685][T27606]  dump_backtrace+0x0/0x43c
[  413.943423][T27606]  show_stack+0x2c/0x3c
[  413.944092][T27606]  __dump_stack+0x30/0x40
[  413.944818][T27606]  dump_stack_lvl+0xf8/0x160
[  413.945613][T27606]  dump_stack+0x1c/0x5c
[  413.946236][T27606]  should_fail+0x3c0/0x51c
[  413.946925][T27606]  __should_failslab+0xbc/0x10c
[  413.947705][T27606]  should_failslab+0x10/0x28
[  413.948484][T27606]  slab_pre_alloc_hook+0x64/0xec
[  413.949325][T27606]  kmem_cache_alloc+0x94/0x3e4
[  413.950031][T27606]  new_inode_pseudo+0x10c/0x1fc
[  413.950841][T27606]  new_inode+0x38/0x174
[  413.951538][T27606]  debugfs_create_dir+0xec/0x3f4
[  413.952307][T27606]  nbd_start_device+0x3c8/0xb40
[  413.953071][T27606]  nbd_ioctl+0x514/0xc50
[  413.953750][T27606]  blkdev_ioctl+0x5f8/0xbb8
[  413.954421][T27606]  block_ioctl+0xa4/0x118
[  413.955109][T27606]  __arm64_sys_ioctl+0x14c/0x1c8
[  413.955871][T27606]  invoke_syscall+0x98/0x2b8
[  413.956583][T27606]  el0_svc_common+0x138/0x258
[  413.957384][T27606]  do_el0_svc+0x58/0x14c
[  413.958084][T27606]  el0_svc+0x78/0x1e0
[  413.958716][T27606]  el0t_64_sync_handler+0xcc/0xe4
[  413.959546][T27606]  el0t_64_sync+0x1a0/0x1a4
[  413.960052][T27604] block nbd4: Failed to create debugfs dir for 'nbd4'
[  413.962568][T27606] debugfs: out of free dentries, can not create directory 'nbd2'
[  413.964075][T27606] block nbd2: Failed to create debugfs dir for 'nbd2'
[  413.997634][T27635] block nbd3: shutting down sockets
[  413.998845][T27629] block nbd0: shutting down sockets
[  414.006418][T27636] block nbd1: shutting down sockets
[  414.020373][T27618] FAULT_INJECTION: forcing a failure.
[  414.020373][T27618] name failslab, interval 1, probability 0, space 0, times 0
[  414.022769][T27618] CPU: 1 PID: 27618 Comm: syz-executor114 Not tainted syzkaller #0
[  414.023996][T27618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.025664][T27618] Call trace:
[  414.026191][T27618]  dump_backtrace+0x0/0x43c
[  414.026875][T27618]  show_stack+0x2c/0x3c
[  414.027539][T27618]  __dump_stack+0x30/0x40
[  414.028184][T27618]  dump_stack_lvl+0xf8/0x160
[  414.028896][T27618]  dump_stack+0x1c/0x5c
[  414.029556][T27618]  should_fail+0x3c0/0x51c
[  414.030254][T27618]  __should_failslab+0xbc/0x10c
[  414.031008][T27618]  should_failslab+0x10/0x28
[  414.031740][T27618]  slab_pre_alloc_hook+0x64/0xec
[  414.032519][T27618]  kmem_cache_alloc+0x94/0x3e4
[  414.033250][T27618]  new_inode_pseudo+0x10c/0x1fc
[  414.034064][T27618]  new_inode+0x38/0x174
[  414.034736][T27618]  debugfs_create_dir+0xec/0x3f4
[  414.035545][T27618]  nbd_start_device+0x3c8/0xb40
[  414.036289][T27618]  nbd_ioctl+0x514/0xc50
[  414.036876][T27618]  blkdev_ioctl+0x5f8/0xbb8
[  414.037616][T27618]  block_ioctl+0xa4/0x118
[  414.038278][T27618]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.039131][T27618]  invoke_syscall+0x98/0x2b8
[  414.039870][T27618]  el0_svc_common+0x138/0x258
[  414.040616][T27618]  do_el0_svc+0x58/0x14c
[  414.041328][T27618]  el0_svc+0x78/0x1e0
[  414.041933][T27618]  el0t_64_sync_handler+0xcc/0xe4
[  414.042824][T27618]  el0t_64_sync+0x1a0/0x1a4
[  414.047870][T27618] debugfs: out of free dentries, can not create directory 'nbd0'
[  414.049440][T27623] FAULT_INJECTION: forcing a failure.
[  414.049440][T27623] name failslab, interval 1, probability 0, space 0, times 0
[  414.051914][T27623] CPU: 1 PID: 27623 Comm: syz-executor114 Not tainted syzkaller #0
[  414.053091][T27623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.054525][T27623] Call trace:
[  414.055052][T27623]  dump_backtrace+0x0/0x43c
[  414.055700][T27623]  show_stack+0x2c/0x3c
[  414.056353][T27623]  __dump_stack+0x30/0x40
[  414.057000][T27623]  dump_stack_lvl+0xf8/0x160
[  414.057650][T27623]  dump_stack+0x1c/0x5c
[  414.058336][T27623]  should_fail+0x3c0/0x51c
[  414.058811][T27618] block nbd0: Failed to create debugfs dir for 'nbd0'
[  414.059018][T27623]  __should_failslab+0xbc/0x10c
[  414.060781][T27623]  should_failslab+0x10/0x28
[  414.061545][T27623]  slab_pre_alloc_hook+0x64/0xec
[  414.062306][T27623]  kmem_cache_alloc+0x94/0x3e4
[  414.063031][T27623]  new_inode_pseudo+0x10c/0x1fc
[  414.063733][T27623]  new_inode+0x38/0x174
[  414.064350][T27623]  debugfs_create_dir+0xec/0x3f4
[  414.065136][T27623]  nbd_start_device+0x3c8/0xb40
[  414.065871][T27623]  nbd_ioctl+0x514/0xc50
[  414.066545][T27623]  blkdev_ioctl+0x5f8/0xbb8
[  414.067230][T27623]  block_ioctl+0xa4/0x118
[  414.067913][T27623]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.068744][T27623]  invoke_syscall+0x98/0x2b8
[  414.069428][T27623]  el0_svc_common+0x138/0x258
[  414.070205][T27623]  do_el0_svc+0x58/0x14c
[  414.070859][T27623]  el0_svc+0x78/0x1e0
[  414.071509][T27623]  el0t_64_sync_handler+0xcc/0xe4
[  414.072379][T27623]  el0t_64_sync+0x1a0/0x1a4
[  414.075436][T27623] debugfs: out of free dentries, can not create directory 'nbd1'
[  414.079888][T27620] FAULT_INJECTION: forcing a failure.
[  414.079888][T27620] name failslab, interval 1, probability 0, space 0, times 0
[  414.081710][T27620] CPU: 1 PID: 27620 Comm: syz-executor114 Not tainted syzkaller #0
[  414.082963][T27620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.084605][T27620] Call trace:
[  414.085139][T27620]  dump_backtrace+0x0/0x43c
[  414.085863][T27620]  show_stack+0x2c/0x3c
[  414.086517][T27620]  __dump_stack+0x30/0x40
[  414.086654][T27623] block nbd1: Failed to create debugfs dir for 'nbd1'
[  414.087198][T27620]  dump_stack_lvl+0xf8/0x160
[  414.088933][T27620]  dump_stack+0x1c/0x5c
[  414.089531][T27620]  should_fail+0x3c0/0x51c
[  414.090160][T27620]  __should_failslab+0xbc/0x10c
[  414.090992][T27620]  should_failslab+0x10/0x28
[  414.091743][T27620]  slab_pre_alloc_hook+0x64/0xec
[  414.092578][T27620]  kmem_cache_alloc+0x94/0x3e4
[  414.093380][T27620]  __d_alloc+0x3c/0x65c
[  414.094011][T27620]  d_alloc_parallel+0x80/0x1104
[  414.094764][T27620]  __lookup_slow+0x104/0x380
[  414.095464][T27620]  lookup_one_len+0x178/0x28c
[  414.096202][T27620]  start_creating+0x19c/0x2e0
[  414.096958][T27620]  debugfs_create_dir+0x30/0x3f4
[  414.097744][T27620]  nbd_start_device+0x3c8/0xb40
[  414.098459][T27620]  nbd_ioctl+0x514/0xc50
[  414.099082][T27620]  blkdev_ioctl+0x5f8/0xbb8
[  414.099767][T27620]  block_ioctl+0xa4/0x118
[  414.100375][T27620]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.101180][T27620]  invoke_syscall+0x98/0x2b8
[  414.101918][T27620]  el0_svc_common+0x138/0x258
[  414.102650][T27620]  do_el0_svc+0x58/0x14c
[  414.103277][T27620]  el0_svc+0x78/0x1e0
[  414.103951][T27620]  el0t_64_sync_handler+0xcc/0xe4
[  414.104786][T27620]  el0t_64_sync+0x1a0/0x1a4
[  414.113138][T27640] block nbd2: shutting down sockets
[  414.126708][T27620] block nbd3: Failed to create debugfs dir for 'nbd3'
[  414.128560][T27634] block nbd4: shutting down sockets
[  414.134476][T27634] FAULT_INJECTION: forcing a failure.
[  414.134476][T27634] name failslab, interval 1, probability 0, space 0, times 0
[  414.137837][T27634] CPU: 0 PID: 27634 Comm: syz-executor114 Not tainted syzkaller #0
[  414.139116][T27634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.140777][T27634] Call trace:
[  414.141330][T27634]  dump_backtrace+0x0/0x43c
[  414.142128][T27634]  show_stack+0x2c/0x3c
[  414.142844][T27634]  __dump_stack+0x30/0x40
[  414.143544][T27634]  dump_stack_lvl+0xf8/0x160
[  414.144305][T27634]  dump_stack+0x1c/0x5c
[  414.145029][T27634]  should_fail+0x3c0/0x51c
[  414.145714][T27634]  __should_failslab+0xbc/0x10c
[  414.146545][T27634]  should_failslab+0x10/0x28
[  414.147349][T27634]  slab_pre_alloc_hook+0x64/0xec
[  414.148218][T27634]  kmem_cache_alloc+0x94/0x3e4
[  414.149016][T27634]  new_inode_pseudo+0x10c/0x1fc
[  414.149862][T27634]  new_inode+0x38/0x174
[  414.150495][T27634]  debugfs_create_dir+0xec/0x3f4
[  414.151246][T27634]  nbd_start_device+0x3c8/0xb40
[  414.152009][T27634]  nbd_ioctl+0x514/0xc50
[  414.152664][T27634]  blkdev_ioctl+0x5f8/0xbb8
[  414.153447][T27634]  block_ioctl+0xa4/0x118
[  414.154072][T27634]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.154849][T27634]  invoke_syscall+0x98/0x2b8
[  414.155526][T27634]  el0_svc_common+0x138/0x258
[  414.156206][T27634]  do_el0_svc+0x58/0x14c
[  414.156842][T27634]  el0_svc+0x78/0x1e0
[  414.157488][T27634]  el0t_64_sync_handler+0xcc/0xe4
[  414.158309][T27634]  el0t_64_sync+0x1a0/0x1a4
[  414.160901][T27634] debugfs: out of free dentries, can not create directory 'nbd4'
[  414.162268][T27634] block nbd4: Failed to create debugfs dir for 'nbd4'
[  414.162387][T27640] FAULT_INJECTION: forcing a failure.
[  414.162387][T27640] name failslab, interval 1, probability 0, space 0, times 0
[  414.165804][T27640] CPU: 0 PID: 27640 Comm: syz-executor114 Not tainted syzkaller #0
[  414.167068][T27640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.168624][T27640] Call trace:
[  414.169201][T27640]  dump_backtrace+0x0/0x43c
[  414.169980][T27640]  show_stack+0x2c/0x3c
[  414.170710][T27640]  __dump_stack+0x30/0x40
[  414.171418][T27640]  dump_stack_lvl+0xf8/0x160
[  414.172184][T27640]  dump_stack+0x1c/0x5c
[  414.172844][T27640]  should_fail+0x3c0/0x51c
[  414.173612][T27640]  __should_failslab+0xbc/0x10c
[  414.174403][T27640]  should_failslab+0x10/0x28
[  414.175176][T27640]  slab_pre_alloc_hook+0x64/0xec
[  414.176017][T27640]  kmem_cache_alloc+0x94/0x3e4
[  414.176747][T27640]  new_inode_pseudo+0x10c/0x1fc
[  414.177610][T27640]  new_inode+0x38/0x174
[  414.178307][T27640]  debugfs_create_dir+0xec/0x3f4
[  414.179128][T27640]  nbd_start_device+0x3c8/0xb40
[  414.179963][T27640]  nbd_ioctl+0x514/0xc50
[  414.180641][T27640]  blkdev_ioctl+0x5f8/0xbb8
[  414.181405][T27640]  block_ioctl+0xa4/0x118
[  414.182098][T27640]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.182906][T27640]  invoke_syscall+0x98/0x2b8
[  414.183625][T27640]  el0_svc_common+0x138/0x258
[  414.184455][T27640]  do_el0_svc+0x58/0x14c
[  414.185191][T27640]  el0_svc+0x78/0x1e0
[  414.185948][T27640]  el0t_64_sync_handler+0xcc/0xe4
[  414.186707][T27640]  el0t_64_sync+0x1a0/0x1a4
[  414.188673][T27640] debugfs: out of free dentries, can not create directory 'nbd2'
[  414.190193][T27640] block nbd2: Failed to create debugfs dir for 'nbd2'
[  414.206763][T27647] block nbd0: shutting down sockets
[  414.207619][T27650] block nbd3: shutting down sockets
[  414.217655][T27647] FAULT_INJECTION: forcing a failure.
[  414.217655][T27647] name failslab, interval 1, probability 0, space 0, times 0
[  414.219528][T27647] CPU: 1 PID: 27647 Comm: syz-executor114 Not tainted syzkaller #0
[  414.220825][T27647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.222562][T27647] Call trace:
[  414.223104][T27647]  dump_backtrace+0x0/0x43c
[  414.223746][T27647]  show_stack+0x2c/0x3c
[  414.224309][T27647]  __dump_stack+0x30/0x40
[  414.224974][T27647]  dump_stack_lvl+0xf8/0x160
[  414.225730][T27647]  dump_stack+0x1c/0x5c
[  414.226417][T27647]  should_fail+0x3c0/0x51c
[  414.227142][T27647]  __should_failslab+0xbc/0x10c
[  414.227917][T27647]  should_failslab+0x10/0x28
[  414.228629][T27647]  slab_pre_alloc_hook+0x64/0xec
[  414.229438][T27647]  kmem_cache_alloc+0x94/0x3e4
[  414.230178][T27647]  new_inode_pseudo+0x10c/0x1fc
[  414.231000][T27647]  new_inode+0x38/0x174
[  414.231701][T27647]  debugfs_create_dir+0xec/0x3f4
[  414.232521][T27647]  nbd_start_device+0x3c8/0xb40
[  414.233332][T27647]  nbd_ioctl+0x514/0xc50
[  414.234047][T27647]  blkdev_ioctl+0x5f8/0xbb8
[  414.234800][T27647]  block_ioctl+0xa4/0x118
[  414.235502][T27647]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.236305][T27647]  invoke_syscall+0x98/0x2b8
[  414.236999][T27647]  el0_svc_common+0x138/0x258
[  414.237661][T27647]  do_el0_svc+0x58/0x14c
[  414.238324][T27647]  el0_svc+0x78/0x1e0
[  414.238946][T27647]  el0t_64_sync_handler+0xcc/0xe4
[  414.239699][T27647]  el0t_64_sync+0x1a0/0x1a4
[  414.243751][T27651] block nbd1: shutting down sockets
[  414.256282][T27647] debugfs: out of free dentries, can not create directory 'nbd0'
[  414.257549][T27650] FAULT_INJECTION: forcing a failure.
[  414.257549][T27650] name failslab, interval 1, probability 0, space 0, times 0
[  414.259484][T27650] CPU: 1 PID: 27650 Comm: syz-executor114 Not tainted syzkaller #0
[  414.260713][T27650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.262187][T27650] Call trace:
[  414.262676][T27650]  dump_backtrace+0x0/0x43c
[  414.263404][T27650]  show_stack+0x2c/0x3c
[  414.264110][T27650]  __dump_stack+0x30/0x40
[  414.264783][T27650]  dump_stack_lvl+0xf8/0x160
[  414.265508][T27650]  dump_stack+0x1c/0x5c
[  414.266202][T27650]  should_fail+0x3c0/0x51c
[  414.266957][T27650]  __should_failslab+0xbc/0x10c
[  414.267768][T27650]  should_failslab+0x10/0x28
[  414.268456][T27650]  slab_pre_alloc_hook+0x64/0xec
[  414.269186][T27650]  kmem_cache_alloc+0x94/0x3e4
[  414.269879][T27650]  new_inode_pseudo+0x10c/0x1fc
[  414.270545][T27650]  new_inode+0x38/0x174
[  414.271139][T27650]  debugfs_create_dir+0xec/0x3f4
[  414.271932][T27650]  nbd_start_device+0x3c8/0xb40
[  414.272620][T27650]  nbd_ioctl+0x514/0xc50
[  414.273273][T27650]  blkdev_ioctl+0x5f8/0xbb8
[  414.273920][T27650]  block_ioctl+0xa4/0x118
[  414.274589][T27650]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.275304][T27650]  invoke_syscall+0x98/0x2b8
[  414.276085][T27650]  el0_svc_common+0x138/0x258
[  414.276860][T27650]  do_el0_svc+0x58/0x14c
[  414.277550][T27650]  el0_svc+0x78/0x1e0
[  414.278212][T27650]  el0t_64_sync_handler+0xcc/0xe4
[  414.279045][T27650]  el0t_64_sync+0x1a0/0x1a4
[  414.294172][T27655] block nbd2: shutting down sockets
[  414.295235][T27647] block nbd0: Failed to create debugfs dir for 'nbd0'
[  414.302598][T27650] debugfs: out of free dentries, can not create directory 'nbd3'
[  414.322050][T27653] block nbd4: shutting down sockets
[  414.323004][T27650] block nbd3: Failed to create debugfs dir for 'nbd3'
[  414.323017][T27656] FAULT_INJECTION: forcing a failure.
[  414.323017][T27656] name failslab, interval 1, probability 0, space 0, times 0
[  414.329387][T27656] CPU: 0 PID: 27656 Comm: syz-executor114 Not tainted syzkaller #0
[  414.330660][T27656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.332364][T27656] Call trace:
[  414.332897][T27656]  dump_backtrace+0x0/0x43c
[  414.333619][T27656]  show_stack+0x2c/0x3c
[  414.334288][T27656]  __dump_stack+0x30/0x40
[  414.334932][T27656]  dump_stack_lvl+0xf8/0x160
[  414.335633][T27656]  dump_stack+0x1c/0x5c
[  414.336349][T27656]  should_fail+0x3c0/0x51c
[  414.337170][T27656]  __should_failslab+0xbc/0x10c
[  414.337954][T27656]  should_failslab+0x10/0x28
[  414.338701][T27656]  slab_pre_alloc_hook+0x64/0xec
[  414.339532][T27656]  kmem_cache_alloc+0x94/0x3e4
[  414.340283][T27656]  new_inode_pseudo+0x10c/0x1fc
[  414.341108][T27656]  new_inode+0x38/0x174
[  414.341751][T27656]  debugfs_create_dir+0xec/0x3f4
[  414.342507][T27656]  nbd_start_device+0x3c8/0xb40
[  414.343269][T27656]  nbd_ioctl+0x514/0xc50
[  414.344016][T27656]  blkdev_ioctl+0x5f8/0xbb8
[  414.344807][T27656]  block_ioctl+0xa4/0x118
[  414.345513][T27656]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.346354][T27656]  invoke_syscall+0x98/0x2b8
[  414.347108][T27656]  el0_svc_common+0x138/0x258
[  414.347934][T27656]  do_el0_svc+0x58/0x14c
[  414.348672][T27656]  el0_svc+0x78/0x1e0
[  414.349349][T27656]  el0t_64_sync_handler+0xcc/0xe4
[  414.350169][T27656]  el0t_64_sync+0x1a0/0x1a4
[  414.352452][T27656] debugfs: out of free dentries, can not create directory 'nbd1'
[  414.354084][T27656] block nbd1: Failed to create debugfs dir for 'nbd1'
[  414.382286][T27653] FAULT_INJECTION: forcing a failure.
[  414.382286][T27653] name failslab, interval 1, probability 0, space 0, times 0
[  414.384331][T27653] CPU: 1 PID: 27653 Comm: syz-executor114 Not tainted syzkaller #0
[  414.385421][T27653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.386997][T27653] Call trace:
[  414.387507][T27653]  dump_backtrace+0x0/0x43c
[  414.388204][T27653]  show_stack+0x2c/0x3c
[  414.388835][T27653]  __dump_stack+0x30/0x40
[  414.389514][T27653]  dump_stack_lvl+0xf8/0x160
[  414.390219][T27653]  dump_stack+0x1c/0x5c
[  414.390852][T27653]  should_fail+0x3c0/0x51c
[  414.391595][T27653]  __should_failslab+0xbc/0x10c
[  414.392333][T27653]  should_failslab+0x10/0x28
[  414.393065][T27653]  slab_pre_alloc_hook+0x64/0xec
[  414.393887][T27653]  kmem_cache_alloc+0x94/0x3e4
[  414.394716][T27653]  __d_alloc+0x3c/0x65c
[  414.395397][T27653]  d_alloc_parallel+0x80/0x1104
[  414.396151][T27653]  __lookup_slow+0x104/0x380
[  414.396870][T27653]  lookup_one_len+0x178/0x28c
[  414.397525][T27653]  start_creating+0x19c/0x2e0
[  414.398304][T27653]  debugfs_create_dir+0x30/0x3f4
[  414.399129][T27653]  nbd_start_device+0x3c8/0xb40
[  414.399948][T27653]  nbd_ioctl+0x514/0xc50
[  414.400641][T27653]  blkdev_ioctl+0x5f8/0xbb8
[  414.401412][T27653]  block_ioctl+0xa4/0x118
[  414.402164][T27653]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.403050][T27653]  invoke_syscall+0x98/0x2b8
[  414.403817][T27653]  el0_svc_common+0x138/0x258
[  414.404561][T27653]  do_el0_svc+0x58/0x14c
[  414.405220][T27653]  el0_svc+0x78/0x1e0
[  414.405880][T27653]  el0t_64_sync_handler+0xcc/0xe4
[  414.406727][T27653]  el0t_64_sync+0x1a0/0x1a4
[  414.414182][T27655] FAULT_INJECTION: forcing a failure.
[  414.414182][T27655] name failslab, interval 1, probability 0, space 0, times 0
[  414.417118][T27655] CPU: 1 PID: 27655 Comm: syz-executor114 Not tainted syzkaller #0
[  414.418444][T27655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.420040][T27655] Call trace:
[  414.420541][T27655]  dump_backtrace+0x0/0x43c
[  414.421189][T27655]  show_stack+0x2c/0x3c
[  414.421791][T27655]  __dump_stack+0x30/0x40
[  414.422472][T27655]  dump_stack_lvl+0xf8/0x160
[  414.423132][T27655]  dump_stack+0x1c/0x5c
[  414.423711][T27655]  should_fail+0x3c0/0x51c
[  414.424352][T27655]  __should_failslab+0xbc/0x10c
[  414.425165][T27655]  should_failslab+0x10/0x28
[  414.426007][T27655]  slab_pre_alloc_hook+0x64/0xec
[  414.426836][T27655]  kmem_cache_alloc+0x94/0x3e4
[  414.427559][T27655]  new_inode_pseudo+0x10c/0x1fc
[  414.428356][T27655]  new_inode+0x38/0x174
[  414.429088][T27655]  debugfs_create_dir+0xec/0x3f4
[  414.429908][T27655]  nbd_start_device+0x3c8/0xb40
[  414.430685][T27655]  nbd_ioctl+0x514/0xc50
[  414.431331][T27655]  blkdev_ioctl+0x5f8/0xbb8
[  414.432041][T27655]  block_ioctl+0xa4/0x118
[  414.432762][T27655]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.433532][T27655]  invoke_syscall+0x98/0x2b8
[  414.434202][T27655]  el0_svc_common+0x138/0x258
[  414.434978][T27655]  do_el0_svc+0x58/0x14c
[  414.435694][T27655]  el0_svc+0x78/0x1e0
[  414.435848][T27653] block nbd4: Failed to create debugfs dir for 'nbd4'
[  414.436372][T27655]  el0t_64_sync_handler+0xcc/0xe4
[  414.438267][T27655]  el0t_64_sync+0x1a0/0x1a4
[  414.450540][T27655] debugfs: out of free dentries, can not create directory 'nbd2'
[  414.454492][T27655] block nbd2: Failed to create debugfs dir for 'nbd2'
[  414.496806][T27664] block nbd0: shutting down sockets
[  414.499372][T27666] block nbd1: shutting down sockets
[  414.506686][T27664] FAULT_INJECTION: forcing a failure.
[  414.506686][T27664] name failslab, interval 1, probability 0, space 0, times 0
[  414.508530][T27664] CPU: 1 PID: 27664 Comm: syz-executor114 Not tainted syzkaller #0
[  414.509731][T27664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.511357][T27664] Call trace:
[  414.511888][T27664]  dump_backtrace+0x0/0x43c
[  414.512590][T27664]  show_stack+0x2c/0x3c
[  414.513250][T27664]  __dump_stack+0x30/0x40
[  414.513944][T27664]  dump_stack_lvl+0xf8/0x160
[  414.514690][T27664]  dump_stack+0x1c/0x5c
[  414.515338][T27664]  should_fail+0x3c0/0x51c
[  414.515999][T27664]  __should_failslab+0xbc/0x10c
[  414.516193][T27669] block nbd3: shutting down sockets
[  414.516716][T27664]  should_failslab+0x10/0x28
[  414.518215][T27664]  slab_pre_alloc_hook+0x64/0xec
[  414.519026][T27664]  kmem_cache_alloc+0x94/0x3e4
[  414.519753][T27664]  new_inode_pseudo+0x10c/0x1fc
[  414.520569][T27664]  new_inode+0x38/0x174
[  414.521206][T27664]  debugfs_create_dir+0xec/0x3f4
[  414.521974][T27664]  nbd_start_device+0x3c8/0xb40
[  414.522700][T27664]  nbd_ioctl+0x514/0xc50
[  414.523382][T27664]  blkdev_ioctl+0x5f8/0xbb8
[  414.524086][T27664]  block_ioctl+0xa4/0x118
[  414.524771][T27664]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.525522][T27664]  invoke_syscall+0x98/0x2b8
[  414.526246][T27664]  el0_svc_common+0x138/0x258
[  414.527001][T27664]  do_el0_svc+0x58/0x14c
[  414.527690][T27664]  el0_svc+0x78/0x1e0
[  414.528293][T27664]  el0t_64_sync_handler+0xcc/0xe4
[  414.529060][T27664]  el0t_64_sync+0x1a0/0x1a4
[  414.530785][T27664] debugfs: out of free dentries, can not create directory 'nbd0'
[  414.531952][T27664] block nbd0: Failed to create debugfs dir for 'nbd0'
[  414.532191][T27669] FAULT_INJECTION: forcing a failure.
[  414.532191][T27669] name failslab, interval 1, probability 0, space 0, times 0
[  414.535310][T27669] CPU: 0 PID: 27669 Comm: syz-executor114 Not tainted syzkaller #0
[  414.536631][T27669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.538220][T27669] Call trace:
[  414.538729][T27669]  dump_backtrace+0x0/0x43c
[  414.539466][T27669]  show_stack+0x2c/0x3c
[  414.540153][T27669]  __dump_stack+0x30/0x40
[  414.540823][T27669]  dump_stack_lvl+0xf8/0x160
[  414.541555][T27669]  dump_stack+0x1c/0x5c
[  414.542197][T27669]  should_fail+0x3c0/0x51c
[  414.542909][T27669]  __should_failslab+0xbc/0x10c
[  414.543658][T27669]  should_failslab+0x10/0x28
[  414.544451][T27669]  slab_pre_alloc_hook+0x64/0xec
[  414.545254][T27669]  kmem_cache_alloc+0x94/0x3e4
[  414.545997][T27669]  new_inode_pseudo+0x10c/0x1fc
[  414.546808][T27669]  new_inode+0x38/0x174
[  414.547478][T27669]  debugfs_create_dir+0xec/0x3f4
[  414.548375][T27669]  nbd_start_device+0x3c8/0xb40
[  414.549140][T27669]  nbd_ioctl+0x514/0xc50
[  414.549809][T27669]  blkdev_ioctl+0x5f8/0xbb8
[  414.550537][T27669]  block_ioctl+0xa4/0x118
[  414.551240][T27669]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.552083][T27669]  invoke_syscall+0x98/0x2b8
[  414.552862][T27669]  el0_svc_common+0x138/0x258
[  414.553639][T27669]  do_el0_svc+0x58/0x14c
[  414.554288][T27669]  el0_svc+0x78/0x1e0
[  414.554909][T27669]  el0t_64_sync_handler+0xcc/0xe4
[  414.555760][T27669]  el0t_64_sync+0x1a0/0x1a4
[  414.559075][T27669] debugfs: out of free dentries, can not create directory 'nbd3'
[  414.560573][T27666] FAULT_INJECTION: forcing a failure.
[  414.560573][T27666] name failslab, interval 1, probability 0, space 0, times 0
[  414.561743][T27670] block nbd4: shutting down sockets
[  414.562971][T27666] CPU: 0 PID: 27666 Comm: syz-executor114 Not tainted syzkaller #0
[  414.564677][T27666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.566232][T27666] Call trace:
[  414.566771][T27666]  dump_backtrace+0x0/0x43c
[  414.567466][T27672] FAULT_INJECTION: forcing a failure.
[  414.567466][T27672] name fail_futex, interval 1, probability 0, space 0, times 1
[  414.567553][T27666]  show_stack+0x2c/0x3c
[  414.570171][T27666]  __dump_stack+0x30/0x40
[  414.570847][T27666]  dump_stack_lvl+0xf8/0x160
[  414.571636][T27666]  dump_stack+0x1c/0x5c
[  414.572300][T27666]  should_fail+0x3c0/0x51c
[  414.573074][T27666]  __should_failslab+0xbc/0x10c
[  414.573857][T27666]  should_failslab+0x10/0x28
[  414.574514][T27666]  slab_pre_alloc_hook+0x64/0xec
[  414.575322][T27666]  kmem_cache_alloc+0x94/0x3e4
[  414.576101][T27666]  new_inode_pseudo+0x10c/0x1fc
[  414.576637][T27669] block nbd3: Failed to create debugfs dir for 'nbd3'
[  414.576892][T27666]  new_inode+0x38/0x174
[  414.578566][T27666]  debugfs_create_dir+0xec/0x3f4
[  414.579334][T27666]  nbd_start_device+0x3c8/0xb40
[  414.580107][T27666]  nbd_ioctl+0x514/0xc50
[  414.580777][T27666]  blkdev_ioctl+0x5f8/0xbb8
[  414.581461][T27666]  block_ioctl+0xa4/0x118
[  414.582149][T27666]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.582938][T27666]  invoke_syscall+0x98/0x2b8
[  414.583629][T27666]  el0_svc_common+0x138/0x258
[  414.584384][T27666]  do_el0_svc+0x58/0x14c
[  414.585118][T27666]  el0_svc+0x78/0x1e0
[  414.585766][T27666]  el0t_64_sync_handler+0xcc/0xe4
[  414.586538][T27666]  el0t_64_sync+0x1a0/0x1a4
[  414.587248][T27672] CPU: 1 PID: 27672 Comm: syz-executor114 Not tainted syzkaller #0
[  414.588304][T27666] debugfs: out of free dentries, can not create directory 'nbd1'
[  414.588495][T27672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.590018][T27666] block nbd1: Failed to create debugfs dir for 'nbd1'
[  414.591112][T27672] Call trace:
[  414.591118][T27672]  dump_backtrace+0x0/0x43c
[  414.591135][T27672]  show_stack+0x2c/0x3c
[  414.591144][T27672]  __dump_stack+0x30/0x40
[  414.591153][T27672]  dump_stack_lvl+0xf8/0x160
[  414.595164][T27672]  dump_stack+0x1c/0x5c
[  414.595805][T27672]  should_fail+0x3c0/0x51c
[  414.596608][T27672]  get_futex_key+0x658/0xb90
[  414.597316][T27672]  futex_wake+0xf4/0x4f4
[  414.597952][T27672]  do_futex+0x1684/0x257c
[  414.598650][T27672]  __arm64_sys_futex+0x388/0x400
[  414.599357][T27672]  invoke_syscall+0x98/0x2b8
[  414.600067][T27672]  el0_svc_common+0x138/0x258
[  414.600763][T27672]  do_el0_svc+0x58/0x14c
[  414.601389][T27672]  el0_svc+0x78/0x1e0
[  414.602053][T27672]  el0t_64_sync_handler+0xcc/0xe4
[  414.602843][T27672]  el0t_64_sync+0x1a0/0x1a4
[  414.611312][T27670] FAULT_INJECTION: forcing a failure.
[  414.611312][T27670] name failslab, interval 1, probability 0, space 0, times 0
[  414.613288][T27670] CPU: 1 PID: 27670 Comm: syz-executor114 Not tainted syzkaller #0
[  414.614590][T27670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.616199][T27670] Call trace:
[  414.616659][T27670]  dump_backtrace+0x0/0x43c
[  414.617403][T27670]  show_stack+0x2c/0x3c
[  414.618055][T27670]  __dump_stack+0x30/0x40
[  414.618750][T27670]  dump_stack_lvl+0xf8/0x160
[  414.619549][T27670]  dump_stack+0x1c/0x5c
[  414.620196][T27670]  should_fail+0x3c0/0x51c
[  414.620817][T27670]  __should_failslab+0xbc/0x10c
[  414.621487][T27670]  should_failslab+0x10/0x28
[  414.622201][T27670]  slab_pre_alloc_hook+0x64/0xec
[  414.622924][T27670]  kmem_cache_alloc+0x94/0x3e4
[  414.623652][T27670]  new_inode_pseudo+0x10c/0x1fc
[  414.624355][T27670]  new_inode+0x38/0x174
[  414.625031][T27670]  debugfs_create_dir+0xec/0x3f4
[  414.625748][T27670]  nbd_start_device+0x3c8/0xb40
[  414.626446][T27670]  nbd_ioctl+0x514/0xc50
[  414.627138][T27670]  blkdev_ioctl+0x5f8/0xbb8
[  414.627868][T27670]  block_ioctl+0xa4/0x118
[  414.628595][T27670]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.629390][T27670]  invoke_syscall+0x98/0x2b8
[  414.630105][T27670]  el0_svc_common+0x138/0x258
[  414.630847][T27670]  do_el0_svc+0x58/0x14c
[  414.631520][T27670]  el0_svc+0x78/0x1e0
[  414.632145][T27670]  el0t_64_sync_handler+0xcc/0xe4
[  414.632939][T27670]  el0t_64_sync+0x1a0/0x1a4
[  414.660124][T27670] debugfs: out of free dentries, can not create directory 'nbd4'
[  414.661360][T27670] block nbd4: Failed to create debugfs dir for 'nbd4'
[  414.709460][T27678] block nbd0: shutting down sockets
[  414.730103][T27678] FAULT_INJECTION: forcing a failure.
[  414.730103][T27678] name failslab, interval 1, probability 0, space 0, times 0
[  414.732142][T27678] CPU: 1 PID: 27678 Comm: syz-executor114 Not tainted syzkaller #0
[  414.733403][T27678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.734941][T27678] Call trace:
[  414.735491][T27678]  dump_backtrace+0x0/0x43c
[  414.736255][T27678]  show_stack+0x2c/0x3c
[  414.736941][T27678]  __dump_stack+0x30/0x40
[  414.737631][T27678]  dump_stack_lvl+0xf8/0x160
[  414.738369][T27678]  dump_stack+0x1c/0x5c
[  414.739032][T27678]  should_fail+0x3c0/0x51c
[  414.739721][T27678]  __should_failslab+0xbc/0x10c
[  414.740505][T27678]  should_failslab+0x10/0x28
[  414.741241][T27678]  slab_pre_alloc_hook+0x64/0xec
[  414.741988][T27678]  kmem_cache_alloc+0x94/0x3e4
[  414.742769][T27678]  new_inode_pseudo+0x10c/0x1fc
[  414.743540][T27678]  new_inode+0x38/0x174
[  414.744223][T27678]  debugfs_create_dir+0xec/0x3f4
[  414.745002][T27678]  nbd_start_device+0x3c8/0xb40
[  414.745798][T27678]  nbd_ioctl+0x514/0xc50
[  414.746443][T27678]  blkdev_ioctl+0x5f8/0xbb8
[  414.747139][T27678]  block_ioctl+0xa4/0x118
[  414.747775][T27678]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.748571][T27678]  invoke_syscall+0x98/0x2b8
[  414.749349][T27678]  el0_svc_common+0x138/0x258
[  414.750103][T27678]  do_el0_svc+0x58/0x14c
[  414.750752][T27678]  el0_svc+0x78/0x1e0
[  414.751392][T27678]  el0t_64_sync_handler+0xcc/0xe4
[  414.752243][T27678]  el0t_64_sync+0x1a0/0x1a4
[  414.758405][T27678] debugfs: out of free dentries, can not create directory 'nbd0'
[  414.759592][T27678] block nbd0: Failed to create debugfs dir for 'nbd0'
[  414.776507][T27685] block nbd3: shutting down sockets
[  414.781622][T27688] block nbd1: shutting down sockets
[  414.786641][T27685] FAULT_INJECTION: forcing a failure.
[  414.786641][T27685] name failslab, interval 1, probability 0, space 0, times 0
[  414.788965][T27685] CPU: 0 PID: 27685 Comm: syz-executor114 Not tainted syzkaller #0
[  414.790295][T27685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.792017][T27685] Call trace:
[  414.792560][T27685]  dump_backtrace+0x0/0x43c
[  414.793277][T27685]  show_stack+0x2c/0x3c
[  414.793838][T27685]  __dump_stack+0x30/0x40
[  414.794425][T27685]  dump_stack_lvl+0xf8/0x160
[  414.795120][T27685]  dump_stack+0x1c/0x5c
[  414.795728][T27685]  should_fail+0x3c0/0x51c
[  414.796394][T27685]  __should_failslab+0xbc/0x10c
[  414.797096][T27689] block nbd4: shutting down sockets
[  414.797115][T27685]  should_failslab+0x10/0x28
[  414.798663][T27685]  slab_pre_alloc_hook+0x64/0xec
[  414.799383][T27685]  kmem_cache_alloc+0x94/0x3e4
[  414.800144][T27685]  new_inode_pseudo+0x10c/0x1fc
[  414.800914][T27685]  new_inode+0x38/0x174
[  414.801557][T27685]  debugfs_create_dir+0xec/0x3f4
[  414.802317][T27685]  nbd_start_device+0x3c8/0xb40
[  414.803121][T27685]  nbd_ioctl+0x514/0xc50
[  414.803839][T27685]  blkdev_ioctl+0x5f8/0xbb8
[  414.804550][T27685]  block_ioctl+0xa4/0x118
[  414.805199][T27685]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.805888][T27685]  invoke_syscall+0x98/0x2b8
[  414.806613][T27685]  el0_svc_common+0x138/0x258
[  414.807325][T27685]  do_el0_svc+0x58/0x14c
[  414.807948][T27685]  el0_svc+0x78/0x1e0
[  414.808537][T27685]  el0t_64_sync_handler+0xcc/0xe4
[  414.809287][T27685]  el0t_64_sync+0x1a0/0x1a4
[  414.811379][T27683] block nbd2: shutting down sockets
[  414.812619][T27685] debugfs: out of free dentries, can not create directory 'nbd3'
[  414.814016][T27689] FAULT_INJECTION: forcing a failure.
[  414.814016][T27689] name failslab, interval 1, probability 0, space 0, times 0
[  414.816712][T27689] CPU: 1 PID: 27689 Comm: syz-executor114 Not tainted syzkaller #0
[  414.817883][T27689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.819487][T27689] Call trace:
[  414.820039][T27689]  dump_backtrace+0x0/0x43c
[  414.820762][T27689]  show_stack+0x2c/0x3c
[  414.821419][T27689]  __dump_stack+0x30/0x40
[  414.822086][T27689]  dump_stack_lvl+0xf8/0x160
[  414.822841][T27689]  dump_stack+0x1c/0x5c
[  414.823533][T27689]  should_fail+0x3c0/0x51c
[  414.824271][T27689]  __should_failslab+0xbc/0x10c
[  414.825013][T27689]  should_failslab+0x10/0x28
[  414.825748][T27689]  slab_pre_alloc_hook+0x64/0xec
[  414.826500][T27689]  kmem_cache_alloc+0x94/0x3e4
[  414.827180][T27689]  new_inode_pseudo+0x10c/0x1fc
[  414.827928][T27689]  new_inode+0x38/0x174
[  414.828578][T27689]  debugfs_create_dir+0xec/0x3f4
[  414.829291][T27689]  nbd_start_device+0x3c8/0xb40
[  414.830132][T27689]  nbd_ioctl+0x514/0xc50
[  414.830771][T27689]  blkdev_ioctl+0x5f8/0xbb8
[  414.831502][T27689]  block_ioctl+0xa4/0x118
[  414.832207][T27689]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.833017][T27689]  invoke_syscall+0x98/0x2b8
[  414.833764][T27689]  el0_svc_common+0x138/0x258
[  414.834535][T27689]  do_el0_svc+0x58/0x14c
[  414.835235][T27689]  el0_svc+0x78/0x1e0
[  414.835905][T27689]  el0t_64_sync_handler+0xcc/0xe4
[  414.836678][T27689]  el0t_64_sync+0x1a0/0x1a4
[  414.839955][T27685] block nbd3: Failed to create debugfs dir for 'nbd3'
[  414.846316][T27689] debugfs: out of free dentries, can not create directory 'nbd4'
[  414.848182][T27689] block nbd4: Failed to create debugfs dir for 'nbd4'
[  414.849664][T27688] FAULT_INJECTION: forcing a failure.
[  414.849664][T27688] name failslab, interval 1, probability 0, space 0, times 0
[  414.852042][T27688] CPU: 0 PID: 27688 Comm: syz-executor114 Not tainted syzkaller #0
[  414.853281][T27688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.855047][T27688] Call trace:
[  414.855606][T27688]  dump_backtrace+0x0/0x43c
[  414.856309][T27688]  show_stack+0x2c/0x3c
[  414.857030][T27688]  __dump_stack+0x30/0x40
[  414.857777][T27688]  dump_stack_lvl+0xf8/0x160
[  414.858509][T27688]  dump_stack+0x1c/0x5c
[  414.859149][T27688]  should_fail+0x3c0/0x51c
[  414.859814][T27688]  __should_failslab+0xbc/0x10c
[  414.859961][T27692] FAULT_INJECTION: forcing a failure.
[  414.859961][T27692] name fail_futex, interval 1, probability 0, space 0, times 0
[  414.860593][T27688]  should_failslab+0x10/0x28
[  414.863166][T27688]  slab_pre_alloc_hook+0x64/0xec
[  414.863988][T27688]  kmem_cache_alloc+0x94/0x3e4
[  414.864803][T27688]  new_inode_pseudo+0x10c/0x1fc
[  414.865614][T27688]  new_inode+0x38/0x174
[  414.866342][T27688]  debugfs_create_dir+0xec/0x3f4
[  414.867197][T27688]  nbd_start_device+0x3c8/0xb40
[  414.868045][T27688]  nbd_ioctl+0x514/0xc50
[  414.868768][T27688]  blkdev_ioctl+0x5f8/0xbb8
[  414.869547][T27688]  block_ioctl+0xa4/0x118
[  414.870304][T27688]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.871160][T27688]  invoke_syscall+0x98/0x2b8
[  414.871903][T27688]  el0_svc_common+0x138/0x258
[  414.872645][T27688]  do_el0_svc+0x58/0x14c
[  414.873321][T27688]  el0_svc+0x78/0x1e0
[  414.873981][T27688]  el0t_64_sync_handler+0xcc/0xe4
[  414.874738][T27688]  el0t_64_sync+0x1a0/0x1a4
[  414.875466][T27692] CPU: 1 PID: 27692 Comm: syz-executor114 Not tainted syzkaller #0
[  414.876788][T27692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.878308][T27692] Call trace:
[  414.878781][T27692]  dump_backtrace+0x0/0x43c
[  414.879549][T27692]  show_stack+0x2c/0x3c
[  414.880273][T27692]  __dump_stack+0x30/0x40
[  414.881045][T27692]  dump_stack_lvl+0xf8/0x160
[  414.881819][T27692]  dump_stack+0x1c/0x5c
[  414.882502][T27692]  should_fail+0x3c0/0x51c
[  414.883212][T27692]  get_futex_key+0x658/0xb90
[  414.883907][T27692]  futex_wake+0xf4/0x4f4
[  414.884540][T27692]  do_futex+0x1684/0x257c
[  414.885250][T27692]  __arm64_sys_futex+0x388/0x400
[  414.886002][T27692]  invoke_syscall+0x98/0x2b8
[  414.886700][T27692]  el0_svc_common+0x138/0x258
[  414.887325][T27688] debugfs: out of free dentries, can not create directory 'nbd1'
[  414.887468][T27692]  do_el0_svc+0x58/0x14c
[  414.887487][T27692]  el0_svc+0x78/0x1e0
[  414.887497][T27692]  el0t_64_sync_handler+0xcc/0xe4
[  414.887504][T27692]  el0t_64_sync+0x1a0/0x1a4
[  414.889112][T27683] FAULT_INJECTION: forcing a failure.
[  414.889112][T27683] name failslab, interval 1, probability 0, space 0, times 0
[  414.891710][T27688] block nbd1: Failed to create debugfs dir for 'nbd1'
[  414.895222][T27683] CPU: 1 PID: 27683 Comm: syz-executor114 Not tainted syzkaller #0
[  414.896562][T27683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  414.898225][T27683] Call trace:
[  414.898708][T27683]  dump_backtrace+0x0/0x43c
[  414.899419][T27683]  show_stack+0x2c/0x3c
[  414.900059][T27683]  __dump_stack+0x30/0x40
[  414.900763][T27683]  dump_stack_lvl+0xf8/0x160
[  414.901472][T27683]  dump_stack+0x1c/0x5c
[  414.902074][T27683]  should_fail+0x3c0/0x51c
[  414.902761][T27683]  __should_failslab+0xbc/0x10c
[  414.903444][T27683]  should_failslab+0x10/0x28
[  414.904149][T27683]  slab_pre_alloc_hook+0x64/0xec
[  414.904868][T27683]  kmem_cache_alloc+0x94/0x3e4
[  414.905555][T27683]  new_inode_pseudo+0x10c/0x1fc
[  414.906273][T27683]  new_inode+0x38/0x174
[  414.906907][T27683]  debugfs_create_dir+0xec/0x3f4
[  414.907656][T27683]  nbd_start_device+0x3c8/0xb40
[  414.908328][T27683]  nbd_ioctl+0x514/0xc50
[  414.908981][T27683]  blkdev_ioctl+0x5f8/0xbb8
[  414.909680][T27683]  block_ioctl+0xa4/0x118
[  414.910399][T27683]  __arm64_sys_ioctl+0x14c/0x1c8
[  414.911189][T27683]  invoke_syscall+0x98/0x2b8
[  414.911940][T27683]  el0_svc_common+0x138/0x258
[  414.912615][T27683]  do_el0_svc+0x58/0x14c
[  414.913309][T27683]  el0_svc+0x78/0x1e0
[  414.913939][T27683]  el0t_64_sync_handler+0xcc/0xe4
[  414.914719][T27683]  el0t_64_sync+0x1a0/0x1a4
[  414.918166][T27683] debugfs: out of free dentries, can not create directory 'nbd2'
[  414.921423][T27683] block nbd2: Failed to create debugfs dir for 'nbd2'
[  415.006188][T27701] block nbd4: shutting down sockets
[  415.016602][T27708] block nbd2: shutting down sockets
[  415.018367][T27701] FAULT_INJECTION: forcing a failure.
[  415.018367][T27701] name failslab, interval 1, probability 0, space 0, times 0
[  415.020914][T27701] CPU: 1 PID: 27701 Comm: syz-executor114 Not tainted syzkaller #0
[  415.022213][T27701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.023805][T27701] Call trace:
[  415.024414][T27701]  dump_backtrace+0x0/0x43c
[  415.025139][T27701]  show_stack+0x2c/0x3c
[  415.025815][T27701]  __dump_stack+0x30/0x40
[  415.026516][T27701]  dump_stack_lvl+0xf8/0x160
[  415.027266][T27701]  dump_stack+0x1c/0x5c
[  415.027918][T27701]  should_fail+0x3c0/0x51c
[  415.028543][T27702] block nbd3: shutting down sockets
[  415.028572][T27701]  __should_failslab+0xbc/0x10c
[  415.030149][T27701]  should_failslab+0x10/0x28
[  415.030856][T27701]  slab_pre_alloc_hook+0x64/0xec
[  415.031684][T27701]  kmem_cache_alloc+0x94/0x3e4
[  415.032460][T27701]  new_inode_pseudo+0x10c/0x1fc
[  415.033320][T27701]  new_inode+0x38/0x174
[  415.033986][T27701]  debugfs_create_dir+0xec/0x3f4
[  415.034800][T27701]  nbd_start_device+0x3c8/0xb40
[  415.035616][T27701]  nbd_ioctl+0x514/0xc50
[  415.036299][T27701]  blkdev_ioctl+0x5f8/0xbb8
[  415.037099][T27701]  block_ioctl+0xa4/0x118
[  415.037827][T27701]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.038632][T27701]  invoke_syscall+0x98/0x2b8
[  415.039404][T27701]  el0_svc_common+0x138/0x258
[  415.040136][T27701]  do_el0_svc+0x58/0x14c
[  415.040846][T27701]  el0_svc+0x78/0x1e0
[  415.041573][T27701]  el0t_64_sync_handler+0xcc/0xe4
[  415.042399][T27701]  el0t_64_sync+0x1a0/0x1a4
[  415.046684][T27701] debugfs: out of free dentries, can not create directory 'nbd4'
[  415.048213][T27708] FAULT_INJECTION: forcing a failure.
[  415.048213][T27708] name failslab, interval 1, probability 0, space 0, times 0
[  415.050669][T27708] CPU: 1 PID: 27708 Comm: syz-executor114 Not tainted syzkaller #0
[  415.051967][T27708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.053522][T27708] Call trace:
[  415.054044][T27708]  dump_backtrace+0x0/0x43c
[  415.054776][T27708]  show_stack+0x2c/0x3c
[  415.055400][T27708]  __dump_stack+0x30/0x40
[  415.056023][T27708]  dump_stack_lvl+0xf8/0x160
[  415.056730][T27708]  dump_stack+0x1c/0x5c
[  415.057427][T27708]  should_fail+0x3c0/0x51c
[  415.058160][T27708]  __should_failslab+0xbc/0x10c
[  415.058940][T27708]  should_failslab+0x10/0x28
[  415.059724][T27708]  slab_pre_alloc_hook+0x64/0xec
[  415.060511][T27708]  kmem_cache_alloc+0x94/0x3e4
[  415.061243][T27708]  new_inode_pseudo+0x10c/0x1fc
[  415.061923][T27708]  new_inode+0x38/0x174
[  415.062536][T27708]  debugfs_create_dir+0xec/0x3f4
[  415.063296][T27708]  nbd_start_device+0x3c8/0xb40
[  415.064030][T27708]  nbd_ioctl+0x514/0xc50
[  415.064591][T27708]  blkdev_ioctl+0x5f8/0xbb8
[  415.065274][T27708]  block_ioctl+0xa4/0x118
[  415.066001][T27708]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.066799][T27708]  invoke_syscall+0x98/0x2b8
[  415.067499][T27708]  el0_svc_common+0x138/0x258
[  415.068228][T27708]  do_el0_svc+0x58/0x14c
[  415.068901][T27708]  el0_svc+0x78/0x1e0
[  415.069510][T27708]  el0t_64_sync_handler+0xcc/0xe4
[  415.070346][T27708]  el0t_64_sync+0x1a0/0x1a4
[  415.073714][T27701] block nbd4: Failed to create debugfs dir for 'nbd4'
[  415.078137][T27708] debugfs: out of free dentries, can not create directory 'nbd2'
[  415.079966][T27708] block nbd2: Failed to create debugfs dir for 'nbd2'
[  415.081304][T27698] FAULT_INJECTION: forcing a failure.
[  415.081304][T27698] name failslab, interval 1, probability 0, space 0, times 0
[  415.089211][T27698] CPU: 1 PID: 27698 Comm: syz-executor114 Not tainted syzkaller #0
[  415.090488][T27698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.092209][T27698] Call trace:
[  415.092742][T27698]  dump_backtrace+0x0/0x43c
[  415.093512][T27698]  show_stack+0x2c/0x3c
[  415.094175][T27698]  __dump_stack+0x30/0x40
[  415.094818][T27698]  dump_stack_lvl+0xf8/0x160
[  415.095496][T27698]  dump_stack+0x1c/0x5c
[  415.096111][T27698]  should_fail+0x3c0/0x51c
[  415.096759][T27698]  __should_failslab+0xbc/0x10c
[  415.097550][T27698]  should_failslab+0x10/0x28
[  415.098375][T27698]  slab_pre_alloc_hook+0x64/0xec
[  415.099142][T27698]  kmem_cache_alloc+0x94/0x3e4
[  415.099944][T27698]  new_inode_pseudo+0x10c/0x1fc
[  415.100693][T27698]  new_inode+0x38/0x174
[  415.101359][T27698]  debugfs_create_dir+0xec/0x3f4
[  415.102194][T27698]  nbd_start_device+0x3c8/0xb40
[  415.103047][T27698]  nbd_ioctl+0x514/0xc50
[  415.103757][T27698]  blkdev_ioctl+0x5f8/0xbb8
[  415.104514][T27698]  block_ioctl+0xa4/0x118
[  415.105240][T27698]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.106051][T27698]  invoke_syscall+0x98/0x2b8
[  415.106728][T27698]  el0_svc_common+0x138/0x258
[  415.107399][T27698]  do_el0_svc+0x58/0x14c
[  415.108057][T27698]  el0_svc+0x78/0x1e0
[  415.108685][T27698]  el0t_64_sync_handler+0xcc/0xe4
[  415.109464][T27698]  el0t_64_sync+0x1a0/0x1a4
[  415.113550][T27704] block nbd1: shutting down sockets
[  415.128789][T27710] block nbd0: shutting down sockets
[  415.132332][T27698] debugfs: out of free dentries, can not create directory 'nbd3'
[  415.148588][T27698] block nbd3: Failed to create debugfs dir for 'nbd3'
[  415.153343][T27707] FAULT_INJECTION: forcing a failure.
[  415.153343][T27707] name failslab, interval 1, probability 0, space 0, times 0
[  415.155294][T27707] CPU: 1 PID: 27707 Comm: syz-executor114 Not tainted syzkaller #0
[  415.156498][T27707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.158183][T27707] Call trace:
[  415.158731][T27707]  dump_backtrace+0x0/0x43c
[  415.159475][T27707]  show_stack+0x2c/0x3c
[  415.160085][T27707]  __dump_stack+0x30/0x40
[  415.160783][T27707]  dump_stack_lvl+0xf8/0x160
[  415.161498][T27707]  dump_stack+0x1c/0x5c
[  415.162156][T27707]  should_fail+0x3c0/0x51c
[  415.162904][T27707]  __should_failslab+0xbc/0x10c
[  415.163671][T27707]  should_failslab+0x10/0x28
[  415.164384][T27707]  slab_pre_alloc_hook+0x64/0xec
[  415.165143][T27707]  kmem_cache_alloc+0x94/0x3e4
[  415.165884][T27707]  new_inode_pseudo+0x10c/0x1fc
[  415.166668][T27707]  new_inode+0x38/0x174
[  415.167324][T27707]  debugfs_create_dir+0xec/0x3f4
[  415.168520][T27707]  nbd_start_device+0x3c8/0xb40
[  415.169309][T27707]  nbd_ioctl+0x514/0xc50
[  415.169977][T27707]  blkdev_ioctl+0x5f8/0xbb8
[  415.170665][T27707]  block_ioctl+0xa4/0x118
[  415.171339][T27707]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.172047][T27707]  invoke_syscall+0x98/0x2b8
[  415.172774][T27707]  el0_svc_common+0x138/0x258
[  415.173575][T27707]  do_el0_svc+0x58/0x14c
[  415.174288][T27707]  el0_svc+0x78/0x1e0
[  415.174970][T27707]  el0t_64_sync_handler+0xcc/0xe4
[  415.175794][T27707]  el0t_64_sync+0x1a0/0x1a4
[  415.180690][T27704] FAULT_INJECTION: forcing a failure.
[  415.180690][T27704] name failslab, interval 1, probability 0, space 0, times 0
[  415.182882][T27704] CPU: 1 PID: 27704 Comm: syz-executor114 Not tainted syzkaller #0
[  415.184046][T27704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.185507][T27704] Call trace:
[  415.185992][T27704]  dump_backtrace+0x0/0x43c
[  415.186691][T27704]  show_stack+0x2c/0x3c
[  415.187307][T27704]  __dump_stack+0x30/0x40
[  415.188000][T27704]  dump_stack_lvl+0xf8/0x160
[  415.188657][T27704]  dump_stack+0x1c/0x5c
[  415.189277][T27704]  should_fail+0x3c0/0x51c
[  415.189961][T27704]  __should_failslab+0xbc/0x10c
[  415.190798][T27704]  should_failslab+0x10/0x28
[  415.191590][T27704]  slab_pre_alloc_hook+0x64/0xec
[  415.192379][T27704]  kmem_cache_alloc+0x94/0x3e4
[  415.193131][T27704]  radix_tree_node_alloc+0x180/0x340
[  415.194004][T27704]  idr_get_free+0x240/0x8fc
[  415.194748][T27704]  idr_alloc_cyclic+0x154/0x468
[  415.195504][T27704]  __kernfs_new_node+0x120/0x5d8
[  415.196259][T27704]  kernfs_new_node+0x11c/0x240
[  415.197019][T27704]  __kernfs_create_file+0x60/0x2d4
[  415.197913][T27704]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.198716][T27704]  sysfs_create_file_ns+0x104/0x188
[  415.199510][T27704]  device_create_file+0xfc/0x1b0
[  415.200243][T27704]  nbd_start_device+0x350/0xb40
[  415.200985][T27704]  nbd_ioctl+0x514/0xc50
[  415.201626][T27704]  blkdev_ioctl+0x5f8/0xbb8
[  415.202273][T27704]  block_ioctl+0xa4/0x118
[  415.202900][T27704]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.203644][T27704]  invoke_syscall+0x98/0x2b8
[  415.204396][T27704]  el0_svc_common+0x138/0x258
[  415.205109][T27704]  do_el0_svc+0x58/0x14c
[  415.205726][T27704]  el0_svc+0x78/0x1e0
[  415.206317][T27704]  el0t_64_sync_handler+0xcc/0xe4
[  415.207121][T27704]  el0t_64_sync+0x1a0/0x1a4
[  415.213150][T27707] debugfs: out of free dentries, can not create directory 'nbd0'
[  415.214773][T27707] block nbd0: Failed to create debugfs dir for 'nbd0'
[  415.219710][T27714] block nbd4: shutting down sockets
[  415.237530][T27714] FAULT_INJECTION: forcing a failure.
[  415.237530][T27714] name failslab, interval 1, probability 0, space 0, times 0
[  415.239588][T27714] CPU: 1 PID: 27714 Comm: syz-executor114 Not tainted syzkaller #0
[  415.240714][T27714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.242154][T27714] Call trace:
[  415.242629][T27714]  dump_backtrace+0x0/0x43c
[  415.243360][T27714]  show_stack+0x2c/0x3c
[  415.243942][T27714]  __dump_stack+0x30/0x40
[  415.244571][T27714]  dump_stack_lvl+0xf8/0x160
[  415.245239][T27714]  dump_stack+0x1c/0x5c
[  415.245873][T27714]  should_fail+0x3c0/0x51c
[  415.246546][T27714]  __should_failslab+0xbc/0x10c
[  415.247241][T27714]  should_failslab+0x10/0x28
[  415.247902][T27714]  slab_pre_alloc_hook+0x64/0xec
[  415.248613][T27714]  kmem_cache_alloc+0x94/0x3e4
[  415.249295][T27714]  radix_tree_node_alloc+0x180/0x340
[  415.250087][T27714]  idr_get_free+0x240/0x8fc
[  415.250762][T27714]  idr_alloc_cyclic+0x154/0x468
[  415.251475][T27714]  __kernfs_new_node+0x120/0x5d8
[  415.252210][T27714]  kernfs_new_node+0x11c/0x240
[  415.252939][T27714]  __kernfs_create_file+0x60/0x2d4
[  415.253700][T27714]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.254487][T27714]  sysfs_create_file_ns+0x104/0x188
[  415.255267][T27714]  device_create_file+0xfc/0x1b0
[  415.256012][T27714]  nbd_start_device+0x350/0xb40
[  415.256733][T27714]  nbd_ioctl+0x514/0xc50
[  415.257428][T27714]  blkdev_ioctl+0x5f8/0xbb8
[  415.258215][T27714]  block_ioctl+0xa4/0x118
[  415.258862][T27714]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.259675][T27714]  invoke_syscall+0x98/0x2b8
[  415.260400][T27714]  el0_svc_common+0x138/0x258
[  415.261168][T27714]  do_el0_svc+0x58/0x14c
[  415.261882][T27714]  el0_svc+0x78/0x1e0
[  415.262530][T27714]  el0t_64_sync_handler+0xcc/0xe4
[  415.263403][T27714]  el0t_64_sync+0x1a0/0x1a4
[  415.309314][T27722] block nbd2: shutting down sockets
[  415.312282][T27719] FAULT_INJECTION: forcing a failure.
[  415.312282][T27719] name failslab, interval 1, probability 0, space 0, times 0
[  415.314317][T27719] CPU: 1 PID: 27719 Comm: syz-executor114 Not tainted syzkaller #0
[  415.315502][T27719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.317102][T27719] Call trace:
[  415.317604][T27719]  dump_backtrace+0x0/0x43c
[  415.318295][T27719]  show_stack+0x2c/0x3c
[  415.319007][T27719]  __dump_stack+0x30/0x40
[  415.319696][T27719]  dump_stack_lvl+0xf8/0x160
[  415.320433][T27719]  dump_stack+0x1c/0x5c
[  415.321017][T27719]  should_fail+0x3c0/0x51c
[  415.321759][T27719]  __should_failslab+0xbc/0x10c
[  415.322558][T27719]  should_failslab+0x10/0x28
[  415.323301][T27719]  slab_pre_alloc_hook+0x64/0xec
[  415.324147][T27719]  kmem_cache_alloc+0x94/0x3e4
[  415.324861][T27719]  radix_tree_node_alloc+0x180/0x340
[  415.325664][T27719]  idr_get_free+0x240/0x8fc
[  415.326404][T27719]  idr_alloc_cyclic+0x154/0x468
[  415.327091][T27719]  __kernfs_new_node+0x120/0x5d8
[  415.327799][T27719]  kernfs_new_node+0x11c/0x240
[  415.328539][T27719]  __kernfs_create_file+0x60/0x2d4
[  415.329305][T27719]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.330195][T27719]  sysfs_create_file_ns+0x104/0x188
[  415.330999][T27719]  device_create_file+0xfc/0x1b0
[  415.331772][T27719]  nbd_start_device+0x350/0xb40
[  415.332521][T27719]  nbd_ioctl+0x514/0xc50
[  415.333204][T27719]  blkdev_ioctl+0x5f8/0xbb8
[  415.333928][T27719]  block_ioctl+0xa4/0x118
[  415.334556][T27719]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.335374][T27719]  invoke_syscall+0x98/0x2b8
[  415.336104][T27719]  el0_svc_common+0x138/0x258
[  415.336810][T27719]  do_el0_svc+0x58/0x14c
[  415.337479][T27719]  el0_svc+0x78/0x1e0
[  415.338100][T27719]  el0t_64_sync_handler+0xcc/0xe4
[  415.338861][T27719]  el0t_64_sync+0x1a0/0x1a4
[  415.342155][T27717] FAULT_INJECTION: forcing a failure.
[  415.342155][T27717] name failslab, interval 1, probability 0, space 0, times 0
[  415.344148][T27717] CPU: 1 PID: 27717 Comm: syz-executor114 Not tainted syzkaller #0
[  415.345186][T27717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.346605][T27717] Call trace:
[  415.347052][T27717]  dump_backtrace+0x0/0x43c
[  415.347716][T27717]  show_stack+0x2c/0x3c
[  415.348376][T27717]  __dump_stack+0x30/0x40
[  415.349085][T27717]  dump_stack_lvl+0xf8/0x160
[  415.349794][T27717]  dump_stack+0x1c/0x5c
[  415.350409][T27717]  should_fail+0x3c0/0x51c
[  415.351102][T27717]  __should_failslab+0xbc/0x10c
[  415.351860][T27717]  should_failslab+0x10/0x28
[  415.352622][T27717]  slab_pre_alloc_hook+0x64/0xec
[  415.353400][T27717]  kmem_cache_alloc+0x94/0x3e4
[  415.354112][T27717]  new_inode_pseudo+0x10c/0x1fc
[  415.354872][T27717]  new_inode+0x38/0x174
[  415.355481][T27717]  debugfs_create_dir+0xec/0x3f4
[  415.356332][T27717]  nbd_start_device+0x3c8/0xb40
[  415.357119][T27717]  nbd_ioctl+0x514/0xc50
[  415.357796][T27717]  blkdev_ioctl+0x5f8/0xbb8
[  415.358502][T27717]  block_ioctl+0xa4/0x118
[  415.359164][T27717]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.359943][T27717]  invoke_syscall+0x98/0x2b8
[  415.360647][T27717]  el0_svc_common+0x138/0x258
[  415.361350][T27717]  do_el0_svc+0x58/0x14c
[  415.362072][T27717]  el0_svc+0x78/0x1e0
[  415.362750][T27717]  el0t_64_sync_handler+0xcc/0xe4
[  415.363565][T27717]  el0t_64_sync+0x1a0/0x1a4
[  415.368185][T27721] block nbd0: shutting down sockets
[  415.376563][T27717] debugfs: out of free dentries, can not create directory 'nbd3'
[  415.377860][T27717] block nbd3: Failed to create debugfs dir for 'nbd3'
[  415.386827][T27723] block nbd3: shutting down sockets
[  415.389999][T27721] FAULT_INJECTION: forcing a failure.
[  415.389999][T27721] name failslab, interval 1, probability 0, space 0, times 0
[  415.392545][T27721] CPU: 1 PID: 27721 Comm: syz-executor114 Not tainted syzkaller #0
[  415.393812][T27721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.395432][T27721] Call trace:
[  415.395982][T27721]  dump_backtrace+0x0/0x43c
[  415.396729][T27721]  show_stack+0x2c/0x3c
[  415.397410][T27721]  __dump_stack+0x30/0x40
[  415.398126][T27721]  dump_stack_lvl+0xf8/0x160
[  415.398891][T27721]  dump_stack+0x1c/0x5c
[  415.399550][T27721]  should_fail+0x3c0/0x51c
[  415.400291][T27721]  __should_failslab+0xbc/0x10c
[  415.401054][T27721]  should_failslab+0x10/0x28
[  415.401737][T27721]  slab_pre_alloc_hook+0x64/0xec
[  415.402496][T27721]  kmem_cache_alloc+0x94/0x3e4
[  415.403299][T27721]  new_inode_pseudo+0x10c/0x1fc
[  415.404116][T27721]  new_inode+0x38/0x174
[  415.404709][T27721]  debugfs_create_dir+0xec/0x3f4
[  415.405422][T27721]  nbd_start_device+0x3c8/0xb40
[  415.406194][T27721]  nbd_ioctl+0x514/0xc50
[  415.406820][T27721]  blkdev_ioctl+0x5f8/0xbb8
[  415.407449][T27721]  block_ioctl+0xa4/0x118
[  415.408105][T27721]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.408807][T27721]  invoke_syscall+0x98/0x2b8
[  415.409485][T27721]  el0_svc_common+0x138/0x258
[  415.410190][T27721]  do_el0_svc+0x58/0x14c
[  415.410905][T27721]  el0_svc+0x78/0x1e0
[  415.411554][T27721]  el0t_64_sync_handler+0xcc/0xe4
[  415.412320][T27721]  el0t_64_sync+0x1a0/0x1a4
[  415.425970][T27721] debugfs: out of free dentries, can not create directory 'nbd0'
[  415.427523][T27721] block nbd0: Failed to create debugfs dir for 'nbd0'
[  415.447450][T27728] block nbd4: shutting down sockets
[  415.459053][T27725] block nbd1: shutting down sockets
[  415.460762][T27728] FAULT_INJECTION: forcing a failure.
[  415.460762][T27728] name failslab, interval 1, probability 0, space 0, times 0
[  415.462803][T27728] CPU: 1 PID: 27728 Comm: syz-executor114 Not tainted syzkaller #0
[  415.464078][T27728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.465608][T27728] Call trace:
[  415.466180][T27728]  dump_backtrace+0x0/0x43c
[  415.466938][T27728]  show_stack+0x2c/0x3c
[  415.467578][T27728]  __dump_stack+0x30/0x40
[  415.468266][T27728]  dump_stack_lvl+0xf8/0x160
[  415.469055][T27728]  dump_stack+0x1c/0x5c
[  415.469704][T27728]  should_fail+0x3c0/0x51c
[  415.470365][T27728]  __should_failslab+0xbc/0x10c
[  415.471164][T27728]  should_failslab+0x10/0x28
[  415.471910][T27728]  slab_pre_alloc_hook+0x64/0xec
[  415.472682][T27728]  kmem_cache_alloc+0x94/0x3e4
[  415.473403][T27728]  radix_tree_node_alloc+0x180/0x340
[  415.474213][T27728]  idr_get_free+0x240/0x8fc
[  415.474898][T27728]  idr_alloc_cyclic+0x154/0x468
[  415.475646][T27728]  __kernfs_new_node+0x120/0x5d8
[  415.476350][T27728]  kernfs_new_node+0x11c/0x240
[  415.477048][T27728]  __kernfs_create_file+0x60/0x2d4
[  415.477891][T27728]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.478755][T27728]  sysfs_create_file_ns+0x104/0x188
[  415.479531][T27728]  device_create_file+0xfc/0x1b0
[  415.480217][T27728]  nbd_start_device+0x350/0xb40
[  415.480911][T27728]  nbd_ioctl+0x514/0xc50
[  415.481565][T27728]  blkdev_ioctl+0x5f8/0xbb8
[  415.482217][T27728]  block_ioctl+0xa4/0x118
[  415.482801][T27728]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.483520][T27728]  invoke_syscall+0x98/0x2b8
[  415.484142][T27728]  el0_svc_common+0x138/0x258
[  415.484816][T27728]  do_el0_svc+0x58/0x14c
[  415.485430][T27728]  el0_svc+0x78/0x1e0
[  415.485993][T27728]  el0t_64_sync_handler+0xcc/0xe4
[  415.486715][T27728]  el0t_64_sync+0x1a0/0x1a4
[  415.494241][T27725] FAULT_INJECTION: forcing a failure.
[  415.494241][T27725] name failslab, interval 1, probability 0, space 0, times 0
[  415.498096][T27725] CPU: 1 PID: 27725 Comm: syz-executor114 Not tainted syzkaller #0
[  415.499269][T27725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.500854][T27725] Call trace:
[  415.501369][T27725]  dump_backtrace+0x0/0x43c
[  415.502084][T27725]  show_stack+0x2c/0x3c
[  415.502735][T27725]  __dump_stack+0x30/0x40
[  415.503415][T27725]  dump_stack_lvl+0xf8/0x160
[  415.504130][T27725]  dump_stack+0x1c/0x5c
[  415.504786][T27725]  should_fail+0x3c0/0x51c
[  415.505412][T27725]  __should_failslab+0xbc/0x10c
[  415.506149][T27725]  should_failslab+0x10/0x28
[  415.506857][T27725]  slab_pre_alloc_hook+0x64/0xec
[  415.507572][T27725]  kmem_cache_alloc+0x94/0x3e4
[  415.508284][T27725]  new_inode_pseudo+0x10c/0x1fc
[  415.509072][T27725]  new_inode+0x38/0x174
[  415.509744][T27725]  debugfs_create_dir+0xec/0x3f4
[  415.510492][T27725]  nbd_start_device+0x3c8/0xb40
[  415.511202][T27725]  nbd_ioctl+0x514/0xc50
[  415.511827][T27725]  blkdev_ioctl+0x5f8/0xbb8
[  415.512603][T27725]  block_ioctl+0xa4/0x118
[  415.513279][T27725]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.514069][T27725]  invoke_syscall+0x98/0x2b8
[  415.514784][T27725]  el0_svc_common+0x138/0x258
[  415.515496][T27725]  do_el0_svc+0x58/0x14c
[  415.516201][T27725]  el0_svc+0x78/0x1e0
[  415.516770][T27725]  el0t_64_sync_handler+0xcc/0xe4
[  415.517520][T27725]  el0t_64_sync+0x1a0/0x1a4
[  415.524072][T27725] debugfs: out of free dentries, can not create directory 'nbd1'
[  415.525538][T27725] block nbd1: Failed to create debugfs dir for 'nbd1'
[  415.533529][T27735] FAULT_INJECTION: forcing a failure.
[  415.533529][T27735] name fail_futex, interval 1, probability 0, space 0, times 0
[  415.536310][T27735] CPU: 1 PID: 27735 Comm: syz-executor114 Not tainted syzkaller #0
[  415.537488][T27735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.539011][T27735] Call trace:
[  415.539520][T27735]  dump_backtrace+0x0/0x43c
[  415.540245][T27735]  show_stack+0x2c/0x3c
[  415.540877][T27735]  __dump_stack+0x30/0x40
[  415.541547][T27735]  dump_stack_lvl+0xf8/0x160
[  415.542258][T27735]  dump_stack+0x1c/0x5c
[  415.542878][T27735]  should_fail+0x3c0/0x51c
[  415.543618][T27735]  get_futex_key+0x658/0xb90
[  415.544358][T27735]  futex_wake+0xf4/0x4f4
[  415.545056][T27735]  do_futex+0x1684/0x257c
[  415.545769][T27735]  __arm64_sys_futex+0x388/0x400
[  415.546619][T27735]  invoke_syscall+0x98/0x2b8
[  415.547392][T27735]  el0_svc_common+0x138/0x258
[  415.548185][T27735]  do_el0_svc+0x58/0x14c
[  415.548904][T27735]  el0_svc+0x78/0x1e0
[  415.549476][T27735]  el0t_64_sync_handler+0xcc/0xe4
[  415.550280][T27735]  el0t_64_sync+0x1a0/0x1a4
[  415.576535][T27733] block nbd3: shutting down sockets
[  415.577563][T27732] block nbd2: shutting down sockets
[  415.587030][T27733] FAULT_INJECTION: forcing a failure.
[  415.587030][T27733] name failslab, interval 1, probability 0, space 0, times 0
[  415.589197][T27733] CPU: 1 PID: 27733 Comm: syz-executor114 Not tainted syzkaller #0
[  415.590361][T27733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.591936][T27733] Call trace:
[  415.592434][T27733]  dump_backtrace+0x0/0x43c
[  415.593232][T27733]  show_stack+0x2c/0x3c
[  415.593918][T27733]  __dump_stack+0x30/0x40
[  415.594668][T27733]  dump_stack_lvl+0xf8/0x160
[  415.595404][T27733]  dump_stack+0x1c/0x5c
[  415.596091][T27733]  should_fail+0x3c0/0x51c
[  415.596807][T27733]  __should_failslab+0xbc/0x10c
[  415.597587][T27733]  should_failslab+0x10/0x28
[  415.598253][T27733]  slab_pre_alloc_hook+0x64/0xec
[  415.599015][T27733]  kmem_cache_alloc+0x94/0x3e4
[  415.599780][T27733]  radix_tree_node_alloc+0x180/0x340
[  415.600560][T27733]  idr_get_free+0x240/0x8fc
[  415.601193][T27733]  idr_alloc_cyclic+0x154/0x468
[  415.601986][T27733]  __kernfs_new_node+0x120/0x5d8
[  415.602759][T27733]  kernfs_new_node+0x11c/0x240
[  415.603446][T27733]  __kernfs_create_file+0x60/0x2d4
[  415.604231][T27733]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.605160][T27733]  sysfs_create_file_ns+0x104/0x188
[  415.606065][T27733]  device_create_file+0xfc/0x1b0
[  415.606935][T27733]  nbd_start_device+0x350/0xb40
[  415.607773][T27733]  nbd_ioctl+0x514/0xc50
[  415.608447][T27733]  blkdev_ioctl+0x5f8/0xbb8
[  415.609212][T27733]  block_ioctl+0xa4/0x118
[  415.609930][T27733]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.610686][T27733]  invoke_syscall+0x98/0x2b8
[  415.611417][T27733]  el0_svc_common+0x138/0x258
[  415.612190][T27733]  do_el0_svc+0x58/0x14c
[  415.612889][T27733]  el0_svc+0x78/0x1e0
[  415.613532][T27733]  el0t_64_sync_handler+0xcc/0xe4
[  415.614306][T27733]  el0t_64_sync+0x1a0/0x1a4
[  415.620220][T27732] FAULT_INJECTION: forcing a failure.
[  415.620220][T27732] name failslab, interval 1, probability 0, space 0, times 0
[  415.622168][T27732] CPU: 1 PID: 27732 Comm: syz-executor114 Not tainted syzkaller #0
[  415.623435][T27732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.625087][T27732] Call trace:
[  415.625593][T27732]  dump_backtrace+0x0/0x43c
[  415.626299][T27732]  show_stack+0x2c/0x3c
[  415.626978][T27732]  __dump_stack+0x30/0x40
[  415.627665][T27732]  dump_stack_lvl+0xf8/0x160
[  415.628434][T27732]  dump_stack+0x1c/0x5c
[  415.629106][T27732]  should_fail+0x3c0/0x51c
[  415.629784][T27732]  __should_failslab+0xbc/0x10c
[  415.630557][T27732]  should_failslab+0x10/0x28
[  415.631265][T27732]  slab_pre_alloc_hook+0x64/0xec
[  415.632005][T27732]  kmem_cache_alloc+0x94/0x3e4
[  415.632724][T27732]  new_inode_pseudo+0x10c/0x1fc
[  415.633517][T27732]  new_inode+0x38/0x174
[  415.634072][T27732]  debugfs_create_dir+0xec/0x3f4
[  415.634852][T27732]  nbd_start_device+0x3c8/0xb40
[  415.635620][T27732]  nbd_ioctl+0x514/0xc50
[  415.636269][T27732]  blkdev_ioctl+0x5f8/0xbb8
[  415.636876][T27732]  block_ioctl+0xa4/0x118
[  415.637532][T27732]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.638297][T27732]  invoke_syscall+0x98/0x2b8
[  415.639074][T27732]  el0_svc_common+0x138/0x258
[  415.639853][T27732]  do_el0_svc+0x58/0x14c
[  415.640503][T27732]  el0_svc+0x78/0x1e0
[  415.641115][T27732]  el0t_64_sync_handler+0xcc/0xe4
[  415.641956][T27732]  el0t_64_sync+0x1a0/0x1a4
[  415.645373][T27732] debugfs: out of free dentries, can not create directory 'nbd2'
[  415.652679][T27732] block nbd2: Failed to create debugfs dir for 'nbd2'
[  415.706491][T27745] block nbd4: shutting down sockets
[  415.709566][T27746] block nbd1: shutting down sockets
[  415.717021][T27745] FAULT_INJECTION: forcing a failure.
[  415.717021][T27745] name failslab, interval 1, probability 0, space 0, times 0
[  415.719157][T27745] CPU: 0 PID: 27745 Comm: syz-executor114 Not tainted syzkaller #0
[  415.720438][T27745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.721923][T27745] Call trace:
[  415.722382][T27745]  dump_backtrace+0x0/0x43c
[  415.723072][T27745]  show_stack+0x2c/0x3c
[  415.723652][T27745]  __dump_stack+0x30/0x40
[  415.724329][T27745]  dump_stack_lvl+0xf8/0x160
[  415.725073][T27745]  dump_stack+0x1c/0x5c
[  415.725670][T27745]  should_fail+0x3c0/0x51c
[  415.726383][T27745]  __should_failslab+0xbc/0x10c
[  415.727111][T27745]  should_failslab+0x10/0x28
[  415.727821][T27745]  slab_pre_alloc_hook+0x64/0xec
[  415.728508][T27745]  kmem_cache_alloc+0x94/0x3e4
[  415.729278][T27745]  radix_tree_node_alloc+0x180/0x340
[  415.730086][T27745]  idr_get_free+0x240/0x8fc
[  415.730802][T27745]  idr_alloc_cyclic+0x154/0x468
[  415.731562][T27745]  __kernfs_new_node+0x120/0x5d8
[  415.732292][T27745]  kernfs_new_node+0x11c/0x240
[  415.733047][T27745]  __kernfs_create_file+0x60/0x2d4
[  415.733764][T27745]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.734550][T27745]  sysfs_create_file_ns+0x104/0x188
[  415.735413][T27745]  device_create_file+0xfc/0x1b0
[  415.736289][T27745]  nbd_start_device+0x350/0xb40
[  415.737063][T27745]  nbd_ioctl+0x514/0xc50
[  415.737742][T27745]  blkdev_ioctl+0x5f8/0xbb8
[  415.738419][T27745]  block_ioctl+0xa4/0x118
[  415.739140][T27745]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.739950][T27745]  invoke_syscall+0x98/0x2b8
[  415.740724][T27745]  el0_svc_common+0x138/0x258
[  415.741445][T27745]  do_el0_svc+0x58/0x14c
[  415.742064][T27745]  el0_svc+0x78/0x1e0
[  415.742769][T27745]  el0t_64_sync_handler+0xcc/0xe4
[  415.743610][T27745]  el0t_64_sync+0x1a0/0x1a4
[  415.751445][T27742] FAULT_INJECTION: forcing a failure.
[  415.751445][T27742] name failslab, interval 1, probability 0, space 0, times 0
[  415.753608][T27742] CPU: 0 PID: 27742 Comm: syz-executor114 Not tainted syzkaller #0
[  415.754947][T27742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.756546][T27742] Call trace:
[  415.757125][T27742]  dump_backtrace+0x0/0x43c
[  415.757948][T27742]  show_stack+0x2c/0x3c
[  415.758664][T27742]  __dump_stack+0x30/0x40
[  415.759429][T27742]  dump_stack_lvl+0xf8/0x160
[  415.760171][T27742]  dump_stack+0x1c/0x5c
[  415.760822][T27742]  should_fail+0x3c0/0x51c
[  415.761507][T27742]  __should_failslab+0xbc/0x10c
[  415.762190][T27742]  should_failslab+0x10/0x28
[  415.762932][T27742]  slab_pre_alloc_hook+0x64/0xec
[  415.763727][T27742]  kmem_cache_alloc+0x94/0x3e4
[  415.764420][T27742]  new_inode_pseudo+0x10c/0x1fc
[  415.765548][T27742]  new_inode+0x38/0x174
[  415.766216][T27742]  debugfs_create_dir+0xec/0x3f4
[  415.767019][T27742]  nbd_start_device+0x3c8/0xb40
[  415.767858][T27742]  nbd_ioctl+0x514/0xc50
[  415.768541][T27742]  blkdev_ioctl+0x5f8/0xbb8
[  415.769225][T27742]  block_ioctl+0xa4/0x118
[  415.769915][T27742]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.770710][T27742]  invoke_syscall+0x98/0x2b8
[  415.771451][T27742]  el0_svc_common+0x138/0x258
[  415.772184][T27742]  do_el0_svc+0x58/0x14c
[  415.772856][T27742]  el0_svc+0x78/0x1e0
[  415.773496][T27742]  el0t_64_sync_handler+0xcc/0xe4
[  415.774269][T27742]  el0t_64_sync+0x1a0/0x1a4
[  415.778717][T27742] debugfs: out of free dentries, can not create directory 'nbd1'
[  415.780076][T27742] block nbd1: Failed to create debugfs dir for 'nbd1'
[  415.781274][T27754] block nbd0: shutting down sockets
[  415.787564][T27751] block nbd3: shutting down sockets
[  415.797353][T27750] block nbd2: shutting down sockets
[  415.798703][T27747] FAULT_INJECTION: forcing a failure.
[  415.798703][T27747] name failslab, interval 1, probability 0, space 0, times 0
[  415.800768][T27747] CPU: 1 PID: 27747 Comm: syz-executor114 Not tainted syzkaller #0
[  415.801894][T27747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.803313][T27747] Call trace:
[  415.803768][T27747]  dump_backtrace+0x0/0x43c
[  415.804434][T27747]  show_stack+0x2c/0x3c
[  415.805034][T27747]  __dump_stack+0x30/0x40
[  415.805633][T27747]  dump_stack_lvl+0xf8/0x160
[  415.806332][T27747]  dump_stack+0x1c/0x5c
[  415.807015][T27747]  should_fail+0x3c0/0x51c
[  415.807712][T27747]  __should_failslab+0xbc/0x10c
[  415.808444][T27747]  should_failslab+0x10/0x28
[  415.809122][T27747]  slab_pre_alloc_hook+0x64/0xec
[  415.809907][T27747]  kmem_cache_alloc+0x94/0x3e4
[  415.810681][T27747]  radix_tree_node_alloc+0x180/0x340
[  415.811501][T27747]  idr_get_free+0x240/0x8fc
[  415.812256][T27747]  idr_alloc_cyclic+0x154/0x468
[  415.813055][T27747]  __kernfs_new_node+0x120/0x5d8
[  415.813840][T27747]  kernfs_new_node+0x11c/0x240
[  415.814556][T27747]  __kernfs_create_file+0x60/0x2d4
[  415.815387][T27747]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.816260][T27747]  sysfs_create_file_ns+0x104/0x188
[  415.817071][T27747]  device_create_file+0xfc/0x1b0
[  415.817893][T27747]  nbd_start_device+0x350/0xb40
[  415.818649][T27747]  nbd_ioctl+0x514/0xc50
[  415.819382][T27747]  blkdev_ioctl+0x5f8/0xbb8
[  415.820147][T27747]  block_ioctl+0xa4/0x118
[  415.820843][T27747]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.821664][T27747]  invoke_syscall+0x98/0x2b8
[  415.822414][T27747]  el0_svc_common+0x138/0x258
[  415.823168][T27747]  do_el0_svc+0x58/0x14c
[  415.823845][T27747]  el0_svc+0x78/0x1e0
[  415.824510][T27747]  el0t_64_sync_handler+0xcc/0xe4
[  415.825300][T27747]  el0t_64_sync+0x1a0/0x1a4
[  415.827246][T27751] FAULT_INJECTION: forcing a failure.
[  415.827246][T27751] name failslab, interval 1, probability 0, space 0, times 0
[  415.829370][T27751] CPU: 0 PID: 27751 Comm: syz-executor114 Not tainted syzkaller #0
[  415.830632][T27751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.832227][T27751] Call trace:
[  415.832714][T27751]  dump_backtrace+0x0/0x43c
[  415.833414][T27751]  show_stack+0x2c/0x3c
[  415.834076][T27751]  __dump_stack+0x30/0x40
[  415.834794][T27751]  dump_stack_lvl+0xf8/0x160
[  415.835526][T27751]  dump_stack+0x1c/0x5c
[  415.836168][T27751]  should_fail+0x3c0/0x51c
[  415.836809][T27751]  __should_failslab+0xbc/0x10c
[  415.837613][T27751]  should_failslab+0x10/0x28
[  415.838365][T27751]  slab_pre_alloc_hook+0x64/0xec
[  415.839171][T27751]  kmem_cache_alloc+0x94/0x3e4
[  415.839938][T27751]  new_inode_pseudo+0x10c/0x1fc
[  415.840803][T27751]  new_inode+0x38/0x174
[  415.841439][T27751]  debugfs_create_dir+0xec/0x3f4
[  415.842152][T27751]  nbd_start_device+0x3c8/0xb40
[  415.842907][T27751]  nbd_ioctl+0x514/0xc50
[  415.843509][T27751]  blkdev_ioctl+0x5f8/0xbb8
[  415.844229][T27751]  block_ioctl+0xa4/0x118
[  415.844952][T27751]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.845704][T27751]  invoke_syscall+0x98/0x2b8
[  415.846423][T27751]  el0_svc_common+0x138/0x258
[  415.847103][T27751]  do_el0_svc+0x58/0x14c
[  415.847774][T27751]  el0_svc+0x78/0x1e0
[  415.848376][T27751]  el0t_64_sync_handler+0xcc/0xe4
[  415.849174][T27751]  el0t_64_sync+0x1a0/0x1a4
[  415.851579][T27751] debugfs: out of free dentries, can not create directory 'nbd3'
[  415.852944][T27751] block nbd3: Failed to create debugfs dir for 'nbd3'
[  415.860615][T27759] block nbd4: shutting down sockets
[  415.862491][T27750] FAULT_INJECTION: forcing a failure.
[  415.862491][T27750] name failslab, interval 1, probability 0, space 0, times 0
[  415.866381][T27750] CPU: 1 PID: 27750 Comm: syz-executor114 Not tainted syzkaller #0
[  415.867534][T27750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.868972][T27750] Call trace:
[  415.869427][T27750]  dump_backtrace+0x0/0x43c
[  415.870094][T27750]  show_stack+0x2c/0x3c
[  415.870729][T27750]  __dump_stack+0x30/0x40
[  415.871331][T27750]  dump_stack_lvl+0xf8/0x160
[  415.872052][T27750]  dump_stack+0x1c/0x5c
[  415.872689][T27750]  should_fail+0x3c0/0x51c
[  415.873341][T27750]  __should_failslab+0xbc/0x10c
[  415.874034][T27750]  should_failslab+0x10/0x28
[  415.874766][T27750]  slab_pre_alloc_hook+0x64/0xec
[  415.875533][T27750]  kmem_cache_alloc+0x94/0x3e4
[  415.876247][T27750]  new_inode_pseudo+0x10c/0x1fc
[  415.877054][T27750]  new_inode+0x38/0x174
[  415.877649][T27750]  debugfs_create_dir+0xec/0x3f4
[  415.878486][T27750]  nbd_start_device+0x3c8/0xb40
[  415.879295][T27750]  nbd_ioctl+0x514/0xc50
[  415.879954][T27750]  blkdev_ioctl+0x5f8/0xbb8
[  415.880714][T27750]  block_ioctl+0xa4/0x118
[  415.881430][T27750]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.882244][T27750]  invoke_syscall+0x98/0x2b8
[  415.882966][T27750]  el0_svc_common+0x138/0x258
[  415.883731][T27750]  do_el0_svc+0x58/0x14c
[  415.884487][T27750]  el0_svc+0x78/0x1e0
[  415.885123][T27750]  el0t_64_sync_handler+0xcc/0xe4
[  415.885964][T27750]  el0t_64_sync+0x1a0/0x1a4
[  415.889249][T27750] debugfs: out of free dentries, can not create directory 'nbd2'
[  415.890933][T27750] block nbd2: Failed to create debugfs dir for 'nbd2'
[  415.892345][T27755] FAULT_INJECTION: forcing a failure.
[  415.892345][T27755] name failslab, interval 1, probability 0, space 0, times 0
[  415.897516][T27755] CPU: 0 PID: 27755 Comm: syz-executor114 Not tainted syzkaller #0
[  415.898778][T27755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.900423][T27755] Call trace:
[  415.901008][T27755]  dump_backtrace+0x0/0x43c
[  415.901749][T27755]  show_stack+0x2c/0x3c
[  415.902453][T27755]  __dump_stack+0x30/0x40
[  415.903158][T27755]  dump_stack_lvl+0xf8/0x160
[  415.903910][T27755]  dump_stack+0x1c/0x5c
[  415.904534][T27755]  should_fail+0x3c0/0x51c
[  415.905285][T27755]  __should_failslab+0xbc/0x10c
[  415.906094][T27755]  should_failslab+0x10/0x28
[  415.906874][T27755]  slab_pre_alloc_hook+0x64/0xec
[  415.907686][T27755]  kmem_cache_alloc+0x94/0x3e4
[  415.908435][T27755]  new_inode_pseudo+0x10c/0x1fc
[  415.909139][T27755]  new_inode+0x38/0x174
[  415.909809][T27755]  debugfs_create_dir+0xec/0x3f4
[  415.910654][T27755]  nbd_start_device+0x3c8/0xb40
[  415.911490][T27755]  nbd_ioctl+0x514/0xc50
[  415.912176][T27755]  blkdev_ioctl+0x5f8/0xbb8
[  415.912866][T27755]  block_ioctl+0xa4/0x118
[  415.913535][T27755]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.914315][T27755]  invoke_syscall+0x98/0x2b8
[  415.915015][T27755]  el0_svc_common+0x138/0x258
[  415.915772][T27755]  do_el0_svc+0x58/0x14c
[  415.916482][T27755]  el0_svc+0x78/0x1e0
[  415.917144][T27755]  el0t_64_sync_handler+0xcc/0xe4
[  415.917879][T27755]  el0t_64_sync+0x1a0/0x1a4
[  415.926225][T27755] debugfs: out of free dentries, can not create directory 'nbd4'
[  415.936391][T27755] block nbd4: Failed to create debugfs dir for 'nbd4'
[  415.951526][T27760] block nbd1: shutting down sockets
[  415.963452][T27760] FAULT_INJECTION: forcing a failure.
[  415.963452][T27760] name failslab, interval 1, probability 0, space 0, times 0
[  415.965429][T27760] CPU: 0 PID: 27760 Comm: syz-executor114 Not tainted syzkaller #0
[  415.966602][T27760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  415.968235][T27760] Call trace:
[  415.968723][T27760]  dump_backtrace+0x0/0x43c
[  415.969411][T27760]  show_stack+0x2c/0x3c
[  415.970025][T27760]  __dump_stack+0x30/0x40
[  415.970683][T27760]  dump_stack_lvl+0xf8/0x160
[  415.971363][T27760]  dump_stack+0x1c/0x5c
[  415.971955][T27760]  should_fail+0x3c0/0x51c
[  415.972593][T27760]  __should_failslab+0xbc/0x10c
[  415.973328][T27760]  should_failslab+0x10/0x28
[  415.973971][T27760]  slab_pre_alloc_hook+0x64/0xec
[  415.974690][T27760]  kmem_cache_alloc+0x94/0x3e4
[  415.975395][T27760]  radix_tree_node_alloc+0x180/0x340
[  415.976268][T27760]  idr_get_free+0x240/0x8fc
[  415.977048][T27760]  idr_alloc_cyclic+0x154/0x468
[  415.977791][T27760]  __kernfs_new_node+0x120/0x5d8
[  415.978583][T27760]  kernfs_new_node+0x11c/0x240
[  415.979369][T27760]  __kernfs_create_file+0x60/0x2d4
[  415.980258][T27760]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  415.981157][T27760]  sysfs_create_file_ns+0x104/0x188
[  415.981993][T27760]  device_create_file+0xfc/0x1b0
[  415.982876][T27760]  nbd_start_device+0x350/0xb40
[  415.983688][T27760]  nbd_ioctl+0x514/0xc50
[  415.984424][T27760]  blkdev_ioctl+0x5f8/0xbb8
[  415.985169][T27760]  block_ioctl+0xa4/0x118
[  415.985909][T27760]  __arm64_sys_ioctl+0x14c/0x1c8
[  415.986680][T27760]  invoke_syscall+0x98/0x2b8
[  415.987363][T27760]  el0_svc_common+0x138/0x258
[  415.988055][T27760]  do_el0_svc+0x58/0x14c
[  415.988748][T27760]  el0_svc+0x78/0x1e0
[  415.989402][T27760]  el0t_64_sync_handler+0xcc/0xe4
[  415.990148][T27760]  el0t_64_sync+0x1a0/0x1a4
[  416.016604][T27776] block nbd3: shutting down sockets
[  416.021623][T27763] FAULT_INJECTION: forcing a failure.
[  416.021623][T27763] name failslab, interval 1, probability 0, space 0, times 0
[  416.023861][T27763] CPU: 1 PID: 27763 Comm: syz-executor114 Not tainted syzkaller #0
[  416.025133][T27763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.026757][T27763] Call trace:
[  416.027328][T27763]  dump_backtrace+0x0/0x43c
[  416.028017][T27763]  show_stack+0x2c/0x3c
[  416.028645][T27763]  __dump_stack+0x30/0x40
[  416.029364][T27763]  dump_stack_lvl+0xf8/0x160
[  416.030135][T27763]  dump_stack+0x1c/0x5c
[  416.030788][T27763]  should_fail+0x3c0/0x51c
[  416.031459][T27763]  __should_failslab+0xbc/0x10c
[  416.032187][T27763]  should_failslab+0x10/0x28
[  416.033002][T27763]  slab_pre_alloc_hook+0x64/0xec
[  416.033842][T27763]  kmem_cache_alloc+0x94/0x3e4
[  416.034607][T27763]  radix_tree_node_alloc+0x180/0x340
[  416.035437][T27763]  idr_get_free+0x240/0x8fc
[  416.036135][T27763]  idr_alloc_cyclic+0x154/0x468
[  416.036858][T27763]  __kernfs_new_node+0x120/0x5d8
[  416.037587][T27763]  kernfs_new_node+0x11c/0x240
[  416.038391][T27763]  __kernfs_create_file+0x60/0x2d4
[  416.039194][T27763]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  416.040105][T27763]  sysfs_create_file_ns+0x104/0x188
[  416.040990][T27763]  device_create_file+0xfc/0x1b0
[  416.041815][T27763]  nbd_start_device+0x350/0xb40
[  416.042587][T27763]  nbd_ioctl+0x514/0xc50
[  416.043264][T27763]  blkdev_ioctl+0x5f8/0xbb8
[  416.043991][T27763]  block_ioctl+0xa4/0x118
[  416.044718][T27763]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.045507][T27763]  invoke_syscall+0x98/0x2b8
[  416.046336][T27763]  el0_svc_common+0x138/0x258
[  416.047077][T27763]  do_el0_svc+0x58/0x14c
[  416.047803][T27763]  el0_svc+0x78/0x1e0
[  416.048446][T27763]  el0t_64_sync_handler+0xcc/0xe4
[  416.049247][T27763]  el0t_64_sync+0x1a0/0x1a4
[  416.057040][T27767] block nbd2: shutting down sockets
[  416.066231][T27766] block nbd4: shutting down sockets
[  416.068233][T27766] FAULT_INJECTION: forcing a failure.
[  416.068233][T27766] name failslab, interval 1, probability 0, space 0, times 0
[  416.070410][T27766] CPU: 0 PID: 27766 Comm: syz-executor114 Not tainted syzkaller #0
[  416.071697][T27766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.073266][T27766] Call trace:
[  416.073732][T27766]  dump_backtrace+0x0/0x43c
[  416.074410][T27766]  show_stack+0x2c/0x3c
[  416.074989][T27766]  __dump_stack+0x30/0x40
[  416.075639][T27766]  dump_stack_lvl+0xf8/0x160
[  416.076219][T27769] block nbd0: shutting down sockets
[  416.076382][T27766]  dump_stack+0x1c/0x5c
[  416.077867][T27766]  should_fail+0x3c0/0x51c
[  416.078573][T27766]  __should_failslab+0xbc/0x10c
[  416.079396][T27766]  should_failslab+0x10/0x28
[  416.080153][T27766]  slab_pre_alloc_hook+0x64/0xec
[  416.081003][T27766]  kmem_cache_alloc+0x94/0x3e4
[  416.081756][T27766]  radix_tree_node_alloc+0x180/0x340
[  416.082599][T27766]  idr_get_free+0x240/0x8fc
[  416.083288][T27766]  idr_alloc_cyclic+0x154/0x468
[  416.084028][T27766]  __kernfs_new_node+0x120/0x5d8
[  416.084823][T27766]  kernfs_new_node+0x11c/0x240
[  416.085647][T27766]  __kernfs_create_file+0x60/0x2d4
[  416.086406][T27766]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  416.087240][T27766]  sysfs_create_file_ns+0x104/0x188
[  416.088109][T27766]  device_create_file+0xfc/0x1b0
[  416.088901][T27766]  nbd_start_device+0x350/0xb40
[  416.089708][T27766]  nbd_ioctl+0x514/0xc50
[  416.090396][T27766]  blkdev_ioctl+0x5f8/0xbb8
[  416.091101][T27766]  block_ioctl+0xa4/0x118
[  416.091812][T27766]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.092625][T27766]  invoke_syscall+0x98/0x2b8
[  416.093340][T27766]  el0_svc_common+0x138/0x258
[  416.094074][T27766]  do_el0_svc+0x58/0x14c
[  416.094781][T27766]  el0_svc+0x78/0x1e0
[  416.095355][T27766]  el0t_64_sync_handler+0xcc/0xe4
[  416.096157][T27766]  el0t_64_sync+0x1a0/0x1a4
[  416.097261][T27769] FAULT_INJECTION: forcing a failure.
[  416.097261][T27769] name failslab, interval 1, probability 0, space 0, times 0
[  416.099315][T27769] CPU: 1 PID: 27769 Comm: syz-executor114 Not tainted syzkaller #0
[  416.100500][T27769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.101927][T27769] Call trace:
[  416.102445][T27769]  dump_backtrace+0x0/0x43c
[  416.103185][T27769]  show_stack+0x2c/0x3c
[  416.103898][T27769]  __dump_stack+0x30/0x40
[  416.104586][T27769]  dump_stack_lvl+0xf8/0x160
[  416.105327][T27769]  dump_stack+0x1c/0x5c
[  416.106025][T27769]  should_fail+0x3c0/0x51c
[  416.106749][T27769]  __should_failslab+0xbc/0x10c
[  416.107559][T27769]  should_failslab+0x10/0x28
[  416.108312][T27769]  slab_pre_alloc_hook+0x64/0xec
[  416.109108][T27769]  kmem_cache_alloc+0x94/0x3e4
[  416.109918][T27769]  new_inode_pseudo+0x10c/0x1fc
[  416.110704][T27769]  new_inode+0x38/0x174
[  416.111328][T27769]  debugfs_create_dir+0xec/0x3f4
[  416.112160][T27769]  nbd_start_device+0x3c8/0xb40
[  416.112970][T27769]  nbd_ioctl+0x514/0xc50
[  416.113647][T27769]  blkdev_ioctl+0x5f8/0xbb8
[  416.114328][T27769]  block_ioctl+0xa4/0x118
[  416.115042][T27769]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.115803][T27769]  invoke_syscall+0x98/0x2b8
[  416.116445][T27769]  el0_svc_common+0x138/0x258
[  416.117023][T27769]  do_el0_svc+0x58/0x14c
[  416.117788][T27769]  el0_svc+0x78/0x1e0
[  416.118495][T27769]  el0t_64_sync_handler+0xcc/0xe4
[  416.119386][T27769]  el0t_64_sync+0x1a0/0x1a4
[  416.127054][T27769] debugfs: out of free dentries, can not create directory 'nbd0'
[  416.127732][T27775] block nbd1: shutting down sockets
[  416.128773][T27767] FAULT_INJECTION: forcing a failure.
[  416.128773][T27767] name failslab, interval 1, probability 0, space 0, times 0
[  416.131442][T27767] CPU: 0 PID: 27767 Comm: syz-executor114 Not tainted syzkaller #0
[  416.132723][T27767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.134307][T27767] Call trace:
[  416.134819][T27767]  dump_backtrace+0x0/0x43c
[  416.135657][T27767]  show_stack+0x2c/0x3c
[  416.136334][T27767]  __dump_stack+0x30/0x40
[  416.137090][T27767]  dump_stack_lvl+0xf8/0x160
[  416.137187][T27769] block nbd0: Failed to create debugfs dir for 'nbd0'
[  416.137840][T27767]  dump_stack+0x1c/0x5c
[  416.139565][T27767]  should_fail+0x3c0/0x51c
[  416.140166][T27767]  __should_failslab+0xbc/0x10c
[  416.140977][T27767]  should_failslab+0x10/0x28
[  416.141643][T27767]  slab_pre_alloc_hook+0x64/0xec
[  416.142456][T27767]  kmem_cache_alloc+0x94/0x3e4
[  416.143214][T27767]  new_inode_pseudo+0x10c/0x1fc
[  416.143960][T27767]  new_inode+0x38/0x174
[  416.144572][T27767]  debugfs_create_dir+0xec/0x3f4
[  416.145349][T27767]  nbd_start_device+0x3c8/0xb40
[  416.145946][T27767]  nbd_ioctl+0x514/0xc50
[  416.146566][T27767]  blkdev_ioctl+0x5f8/0xbb8
[  416.147217][T27767]  block_ioctl+0xa4/0x118
[  416.147928][T27767]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.148783][T27767]  invoke_syscall+0x98/0x2b8
[  416.149547][T27767]  el0_svc_common+0x138/0x258
[  416.150335][T27767]  do_el0_svc+0x58/0x14c
[  416.151081][T27767]  el0_svc+0x78/0x1e0
[  416.151788][T27767]  el0t_64_sync_handler+0xcc/0xe4
[  416.152638][T27767]  el0t_64_sync+0x1a0/0x1a4
[  416.154416][T27767] debugfs: out of free dentries, can not create directory 'nbd2'
[  416.158838][T27775] FAULT_INJECTION: forcing a failure.
[  416.158838][T27775] name failslab, interval 1, probability 0, space 0, times 0
[  416.165547][T27775] CPU: 1 PID: 27775 Comm: syz-executor114 Not tainted syzkaller #0
[  416.166809][T27775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.168249][T27775] Call trace:
[  416.168814][T27775]  dump_backtrace+0x0/0x43c
[  416.169570][T27775]  show_stack+0x2c/0x3c
[  416.170230][T27775]  __dump_stack+0x30/0x40
[  416.170979][T27775]  dump_stack_lvl+0xf8/0x160
[  416.171680][T27775]  dump_stack+0x1c/0x5c
[  416.172359][T27775]  should_fail+0x3c0/0x51c
[  416.173010][T27775]  __should_failslab+0xbc/0x10c
[  416.173791][T27775]  should_failslab+0x10/0x28
[  416.174446][T27775]  slab_pre_alloc_hook+0x64/0xec
[  416.175196][T27775]  kmem_cache_alloc+0x94/0x3e4
[  416.175959][T27775]  new_inode_pseudo+0x10c/0x1fc
[  416.176333][T27767] block nbd2: Failed to create debugfs dir for 'nbd2'
[  416.176790][T27775]  new_inode+0x38/0x174
[  416.176808][T27775]  debugfs_create_dir+0xec/0x3f4
[  416.179462][T27775]  nbd_start_device+0x3c8/0xb40
[  416.180287][T27775]  nbd_ioctl+0x514/0xc50
[  416.181015][T27775]  blkdev_ioctl+0x5f8/0xbb8
[  416.181751][T27775]  block_ioctl+0xa4/0x118
[  416.182447][T27775]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.183300][T27775]  invoke_syscall+0x98/0x2b8
[  416.184099][T27775]  el0_svc_common+0x138/0x258
[  416.184853][T27775]  do_el0_svc+0x58/0x14c
[  416.185523][T27775]  el0_svc+0x78/0x1e0
[  416.186140][T27775]  el0t_64_sync_handler+0xcc/0xe4
[  416.186956][T27775]  el0t_64_sync+0x1a0/0x1a4
[  416.191959][T27775] debugfs: out of free dentries, can not create directory 'nbd1'
[  416.205975][T27775] block nbd1: Failed to create debugfs dir for 'nbd1'
[  416.227636][T27778] block nbd3: shutting down sockets
[  416.228172][T27781] block nbd0: shutting down sockets
[  416.236545][T27778] FAULT_INJECTION: forcing a failure.
[  416.236545][T27778] name failslab, interval 1, probability 0, space 0, times 0
[  416.238430][T27778] CPU: 0 PID: 27778 Comm: syz-executor114 Not tainted syzkaller #0
[  416.239742][T27778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.241357][T27778] Call trace:
[  416.241915][T27778]  dump_backtrace+0x0/0x43c
[  416.242701][T27778]  show_stack+0x2c/0x3c
[  416.243436][T27778]  __dump_stack+0x30/0x40
[  416.244091][T27778]  dump_stack_lvl+0xf8/0x160
[  416.244856][T27778]  dump_stack+0x1c/0x5c
[  416.245492][T27778]  should_fail+0x3c0/0x51c
[  416.246193][T27778]  __should_failslab+0xbc/0x10c
[  416.247015][T27778]  should_failslab+0x10/0x28
[  416.247756][T27778]  slab_pre_alloc_hook+0x64/0xec
[  416.248586][T27778]  kmem_cache_alloc+0x94/0x3e4
[  416.249263][T27778]  radix_tree_node_alloc+0x180/0x340
[  416.250122][T27778]  idr_get_free+0x240/0x8fc
[  416.250812][T27778]  idr_alloc_cyclic+0x154/0x468
[  416.251584][T27778]  __kernfs_new_node+0x120/0x5d8
[  416.252426][T27778]  kernfs_new_node+0x11c/0x240
[  416.253119][T27778]  __kernfs_create_file+0x60/0x2d4
[  416.253951][T27778]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  416.254808][T27778]  sysfs_create_file_ns+0x104/0x188
[  416.255647][T27778]  device_create_file+0xfc/0x1b0
[  416.256430][T27778]  nbd_start_device+0x350/0xb40
[  416.257211][T27778]  nbd_ioctl+0x514/0xc50
[  416.257938][T27778]  blkdev_ioctl+0x5f8/0xbb8
[  416.258666][T27778]  block_ioctl+0xa4/0x118
[  416.259413][T27778]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.260181][T27778]  invoke_syscall+0x98/0x2b8
[  416.260926][T27778]  el0_svc_common+0x138/0x258
[  416.261580][T27778]  do_el0_svc+0x58/0x14c
[  416.262132][T27778]  el0_svc+0x78/0x1e0
[  416.262792][T27778]  el0t_64_sync_handler+0xcc/0xe4
[  416.263530][T27778]  el0t_64_sync+0x1a0/0x1a4
[  416.265416][T27781] FAULT_INJECTION: forcing a failure.
[  416.265416][T27781] name failslab, interval 1, probability 0, space 0, times 0
[  416.268357][T27781] CPU: 1 PID: 27781 Comm: syz-executor114 Not tainted syzkaller #0
[  416.269667][T27781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.271305][T27781] Call trace:
[  416.271833][T27781]  dump_backtrace+0x0/0x43c
[  416.272579][T27781]  show_stack+0x2c/0x3c
[  416.273302][T27781]  __dump_stack+0x30/0x40
[  416.274069][T27781]  dump_stack_lvl+0xf8/0x160
[  416.274836][T27781]  dump_stack+0x1c/0x5c
[  416.275477][T27781]  should_fail+0x3c0/0x51c
[  416.276132][T27781]  __should_failslab+0xbc/0x10c
[  416.276912][T27781]  should_failslab+0x10/0x28
[  416.277659][T27781]  slab_pre_alloc_hook+0x64/0xec
[  416.278434][T27781]  kmem_cache_alloc+0x94/0x3e4
[  416.279153][T27781]  new_inode_pseudo+0x10c/0x1fc
[  416.279901][T27781]  new_inode+0x38/0x174
[  416.280563][T27781]  debugfs_create_dir+0xec/0x3f4
[  416.281375][T27781]  nbd_start_device+0x3c8/0xb40
[  416.282159][T27781]  nbd_ioctl+0x514/0xc50
[  416.282809][T27781]  blkdev_ioctl+0x5f8/0xbb8
[  416.283580][T27781]  block_ioctl+0xa4/0x118
[  416.284234][T27781]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.285119][T27781]  invoke_syscall+0x98/0x2b8
[  416.285850][T27781]  el0_svc_common+0x138/0x258
[  416.286655][T27781]  do_el0_svc+0x58/0x14c
[  416.287349][T27781]  el0_svc+0x78/0x1e0
[  416.288053][T27781]  el0t_64_sync_handler+0xcc/0xe4
[  416.288871][T27781]  el0t_64_sync+0x1a0/0x1a4
[  416.291290][T27788] block nbd1: shutting down sockets
[  416.291387][T27781] debugfs: out of free dentries, can not create directory 'nbd0'
[  416.293295][T27781] block nbd0: Failed to create debugfs dir for 'nbd0'
[  416.295566][T27789] block nbd4: shutting down sockets
[  416.306959][T27789] FAULT_INJECTION: forcing a failure.
[  416.306959][T27789] name failslab, interval 1, probability 0, space 0, times 0
[  416.309133][T27789] CPU: 1 PID: 27789 Comm: syz-executor114 Not tainted syzkaller #0
[  416.310322][T27789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.311801][T27789] Call trace:
[  416.312276][T27789]  dump_backtrace+0x0/0x43c
[  416.312957][T27789]  show_stack+0x2c/0x3c
[  416.313549][T27789]  __dump_stack+0x30/0x40
[  416.314188][T27789]  dump_stack_lvl+0xf8/0x160
[  416.314886][T27789]  dump_stack+0x1c/0x5c
[  416.315486][T27789]  should_fail+0x3c0/0x51c
[  416.316112][T27789]  __should_failslab+0xbc/0x10c
[  416.316892][T27789]  should_failslab+0x10/0x28
[  416.317630][T27789]  slab_pre_alloc_hook+0x64/0xec
[  416.318447][T27789]  kmem_cache_alloc+0x94/0x3e4
[  416.319204][T27789]  new_inode_pseudo+0x10c/0x1fc
[  416.319916][T27789]  new_inode+0x38/0x174
[  416.320539][T27789]  debugfs_create_dir+0xec/0x3f4
[  416.321242][T27789]  nbd_start_device+0x3c8/0xb40
[  416.321973][T27789]  nbd_ioctl+0x514/0xc50
[  416.322586][T27789]  blkdev_ioctl+0x5f8/0xbb8
[  416.323229][T27789]  block_ioctl+0xa4/0x118
[  416.323912][T27789]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.324656][T27789]  invoke_syscall+0x98/0x2b8
[  416.325400][T27789]  el0_svc_common+0x138/0x258
[  416.326110][T27789]  do_el0_svc+0x58/0x14c
[  416.326741][T27789]  el0_svc+0x78/0x1e0
[  416.327380][T27789]  el0t_64_sync_handler+0xcc/0xe4
[  416.328225][T27789]  el0t_64_sync+0x1a0/0x1a4
[  416.330669][T27789] debugfs: out of free dentries, can not create directory 'nbd4'
[  416.332416][T27789] block nbd4: Failed to create debugfs dir for 'nbd4'
[  416.332789][T27788] FAULT_INJECTION: forcing a failure.
[  416.332789][T27788] name failslab, interval 1, probability 0, space 0, times 0
[  416.339336][T27788] CPU: 0 PID: 27788 Comm: syz-executor114 Not tainted syzkaller #0
[  416.340619][T27788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.342104][T27788] Call trace:
[  416.342585][T27788]  dump_backtrace+0x0/0x43c
[  416.343219][T27788]  show_stack+0x2c/0x3c
[  416.343920][T27788]  __dump_stack+0x30/0x40
[  416.344626][T27788]  dump_stack_lvl+0xf8/0x160
[  416.345377][T27788]  dump_stack+0x1c/0x5c
[  416.346070][T27788]  should_fail+0x3c0/0x51c
[  416.346744][T27788]  __should_failslab+0xbc/0x10c
[  416.347438][T27788]  should_failslab+0x10/0x28
[  416.348183][T27788]  slab_pre_alloc_hook+0x64/0xec
[  416.348983][T27788]  kmem_cache_alloc+0x94/0x3e4
[  416.349682][T27788]  new_inode_pseudo+0x10c/0x1fc
[  416.350435][T27788]  new_inode+0x38/0x174
[  416.351077][T27788]  debugfs_create_dir+0xec/0x3f4
[  416.351814][T27788]  nbd_start_device+0x3c8/0xb40
[  416.352638][T27788]  nbd_ioctl+0x514/0xc50
[  416.353362][T27788]  blkdev_ioctl+0x5f8/0xbb8
[  416.354079][T27788]  block_ioctl+0xa4/0x118
[  416.354797][T27788]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.355578][T27788]  invoke_syscall+0x98/0x2b8
[  416.356278][T27788]  el0_svc_common+0x138/0x258
[  416.356284][T27793] block nbd2: shutting down sockets
[  416.357916][T27788]  do_el0_svc+0x58/0x14c
[  416.358633][T27788]  el0_svc+0x78/0x1e0
[  416.359264][T27788]  el0t_64_sync_handler+0xcc/0xe4
[  416.360021][T27788]  el0t_64_sync+0x1a0/0x1a4
[  416.363972][T27788] debugfs: out of free dentries, can not create directory 'nbd1'
[  416.365425][T27784] FAULT_INJECTION: forcing a failure.
[  416.365425][T27784] name failslab, interval 1, probability 0, space 0, times 0
[  416.372742][T27784] CPU: 1 PID: 27784 Comm: syz-executor114 Not tainted syzkaller #0
[  416.374145][T27784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.375731][T27784] Call trace:
[  416.376225][T27784]  dump_backtrace+0x0/0x43c
[  416.376918][T27784]  show_stack+0x2c/0x3c
[  416.377503][T27784]  __dump_stack+0x30/0x40
[  416.378182][T27784]  dump_stack_lvl+0xf8/0x160
[  416.378943][T27784]  dump_stack+0x1c/0x5c
[  416.379681][T27784]  should_fail+0x3c0/0x51c
[  416.380411][T27784]  __should_failslab+0xbc/0x10c
[  416.381194][T27784]  should_failslab+0x10/0x28
[  416.382028][T27784]  slab_pre_alloc_hook+0x64/0xec
[  416.382808][T27784]  kmem_cache_alloc+0x94/0x3e4
[  416.383559][T27784]  new_inode_pseudo+0x10c/0x1fc
[  416.384263][T27784]  new_inode+0x38/0x174
[  416.384943][T27784]  debugfs_create_dir+0xec/0x3f4
[  416.385764][T27784]  nbd_start_device+0x3c8/0xb40
[  416.385924][T27788] block nbd1: Failed to create debugfs dir for 'nbd1'
[  416.386573][T27784]  nbd_ioctl+0x514/0xc50
[  416.388355][T27784]  blkdev_ioctl+0x5f8/0xbb8
[  416.389126][T27784]  block_ioctl+0xa4/0x118
[  416.389817][T27784]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.390616][T27784]  invoke_syscall+0x98/0x2b8
[  416.391421][T27784]  el0_svc_common+0x138/0x258
[  416.392156][T27784]  do_el0_svc+0x58/0x14c
[  416.392842][T27784]  el0_svc+0x78/0x1e0
[  416.393391][T27784]  el0t_64_sync_handler+0xcc/0xe4
[  416.394205][T27784]  el0t_64_sync+0x1a0/0x1a4
[  416.398267][T27784] debugfs: out of free dentries, can not create directory 'nbd2'
[  416.400478][T27784] block nbd2: Failed to create debugfs dir for 'nbd2'
[  416.436237][T27794] block nbd0: shutting down sockets
[  416.442366][T27794] FAULT_INJECTION: forcing a failure.
[  416.442366][T27794] name failslab, interval 1, probability 0, space 0, times 0
[  416.444447][T27794] CPU: 1 PID: 27794 Comm: syz-executor114 Not tainted syzkaller #0
[  416.445617][T27794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.447091][T27794] Call trace:
[  416.447582][T27794]  dump_backtrace+0x0/0x43c
[  416.448305][T27794]  show_stack+0x2c/0x3c
[  416.448984][T27794]  __dump_stack+0x30/0x40
[  416.449721][T27794]  dump_stack_lvl+0xf8/0x160
[  416.450504][T27794]  dump_stack+0x1c/0x5c
[  416.451166][T27794]  should_fail+0x3c0/0x51c
[  416.451814][T27794]  __should_failslab+0xbc/0x10c
[  416.452566][T27794]  should_failslab+0x10/0x28
[  416.453201][T27794]  slab_pre_alloc_hook+0x64/0xec
[  416.454004][T27794]  kmem_cache_alloc+0x94/0x3e4
[  416.454840][T27794]  radix_tree_node_alloc+0x180/0x340
[  416.455670][T27794]  idr_get_free+0x240/0x8fc
[  416.456431][T27794]  idr_alloc_cyclic+0x154/0x468
[  416.457250][T27794]  __kernfs_new_node+0x120/0x5d8
[  416.458026][T27794]  kernfs_new_node+0x11c/0x240
[  416.458799][T27794]  __kernfs_create_file+0x60/0x2d4
[  416.459598][T27794]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  416.460404][T27794]  sysfs_create_file_ns+0x104/0x188
[  416.461237][T27794]  device_create_file+0xfc/0x1b0
[  416.462046][T27794]  nbd_start_device+0x350/0xb40
[  416.462782][T27794]  nbd_ioctl+0x514/0xc50
[  416.463398][T27794]  blkdev_ioctl+0x5f8/0xbb8
[  416.464105][T27794]  block_ioctl+0xa4/0x118
[  416.464769][T27794]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.465540][T27794]  invoke_syscall+0x98/0x2b8
[  416.466266][T27794]  el0_svc_common+0x138/0x258
[  416.466936][T27794]  do_el0_svc+0x58/0x14c
[  416.467577][T27794]  el0_svc+0x78/0x1e0
[  416.468189][T27794]  el0t_64_sync_handler+0xcc/0xe4
[  416.469003][T27794]  el0t_64_sync+0x1a0/0x1a4
[  416.474300][T27801] block nbd4: shutting down sockets
[  416.487090][T27796] FAULT_INJECTION: forcing a failure.
[  416.487090][T27796] name failslab, interval 1, probability 0, space 0, times 0
[  416.489061][T27796] CPU: 1 PID: 27796 Comm: syz-executor114 Not tainted syzkaller #0
[  416.490275][T27796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.491985][T27796] Call trace:
[  416.492534][T27796]  dump_backtrace+0x0/0x43c
[  416.493292][T27796]  show_stack+0x2c/0x3c
[  416.493969][T27796]  __dump_stack+0x30/0x40
[  416.494630][T27796]  dump_stack_lvl+0xf8/0x160
[  416.495327][T27796]  dump_stack+0x1c/0x5c
[  416.496011][T27796]  should_fail+0x3c0/0x51c
[  416.496716][T27796]  __should_failslab+0xbc/0x10c
[  416.497556][T27796]  should_failslab+0x10/0x28
[  416.498347][T27796]  slab_pre_alloc_hook+0x64/0xec
[  416.499194][T27796]  kmem_cache_alloc+0x94/0x3e4
[  416.500005][T27796]  new_inode_pseudo+0x10c/0x1fc
[  416.500821][T27796]  new_inode+0x38/0x174
[  416.501470][T27796]  debugfs_create_dir+0xec/0x3f4
[  416.502254][T27796]  nbd_start_device+0x3c8/0xb40
[  416.503049][T27796]  nbd_ioctl+0x514/0xc50
[  416.503804][T27796]  blkdev_ioctl+0x5f8/0xbb8
[  416.504533][T27796]  block_ioctl+0xa4/0x118
[  416.505258][T27796]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.506072][T27796]  invoke_syscall+0x98/0x2b8
[  416.506916][T27796]  el0_svc_common+0x138/0x258
[  416.507695][T27796]  do_el0_svc+0x58/0x14c
[  416.508360][T27796]  el0_svc+0x78/0x1e0
[  416.508996][T27796]  el0t_64_sync_handler+0xcc/0xe4
[  416.509840][T27796]  el0t_64_sync+0x1a0/0x1a4
[  416.512833][T27796] debugfs: out of free dentries, can not create directory 'nbd4'
[  416.514121][T27796] block nbd4: Failed to create debugfs dir for 'nbd4'
[  416.536290][T27805] block nbd1: shutting down sockets
[  416.540339][T27803] block nbd2: shutting down sockets
[  416.556457][T27799] block nbd3: shutting down sockets
[  416.558409][T27799] FAULT_INJECTION: forcing a failure.
[  416.558409][T27799] name failslab, interval 1, probability 0, space 0, times 0
[  416.560267][T27799] CPU: 1 PID: 27799 Comm: syz-executor114 Not tainted syzkaller #0
[  416.561487][T27799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.563059][T27799] Call trace:
[  416.563583][T27799]  dump_backtrace+0x0/0x43c
[  416.564282][T27799]  show_stack+0x2c/0x3c
[  416.564924][T27799]  __dump_stack+0x30/0x40
[  416.565596][T27799]  dump_stack_lvl+0xf8/0x160
[  416.566322][T27799]  dump_stack+0x1c/0x5c
[  416.566949][T27799]  should_fail+0x3c0/0x51c
[  416.567636][T27799]  __should_failslab+0xbc/0x10c
[  416.568481][T27799]  should_failslab+0x10/0x28
[  416.569214][T27799]  slab_pre_alloc_hook+0x64/0xec
[  416.569932][T27799]  kmem_cache_alloc+0x94/0x3e4
[  416.570677][T27799]  radix_tree_node_alloc+0x180/0x340
[  416.571543][T27799]  idr_get_free+0x240/0x8fc
[  416.572257][T27799]  idr_alloc_cyclic+0x154/0x468
[  416.573018][T27799]  __kernfs_new_node+0x120/0x5d8
[  416.573764][T27799]  kernfs_new_node+0x11c/0x240
[  416.574463][T27799]  __kernfs_create_file+0x60/0x2d4
[  416.575208][T27799]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  416.575989][T27799]  sysfs_create_file_ns+0x104/0x188
[  416.576708][T27799]  device_create_file+0xfc/0x1b0
[  416.577422][T27799]  nbd_start_device+0x350/0xb40
[  416.578056][T27799]  nbd_ioctl+0x514/0xc50
[  416.578685][T27799]  blkdev_ioctl+0x5f8/0xbb8
[  416.579486][T27799]  block_ioctl+0xa4/0x118
[  416.580133][T27799]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.580829][T27799]  invoke_syscall+0x98/0x2b8
[  416.581510][T27799]  el0_svc_common+0x138/0x258
[  416.582230][T27799]  do_el0_svc+0x58/0x14c
[  416.582820][T27799]  el0_svc+0x78/0x1e0
[  416.583463][T27799]  el0t_64_sync_handler+0xcc/0xe4
[  416.584286][T27799]  el0t_64_sync+0x1a0/0x1a4
[  416.588747][T27803] FAULT_INJECTION: forcing a failure.
[  416.588747][T27803] name failslab, interval 1, probability 0, space 0, times 0
[  416.591311][T27803] CPU: 0 PID: 27803 Comm: syz-executor114 Not tainted syzkaller #0
[  416.592550][T27803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.594090][T27803] Call trace:
[  416.594652][T27803]  dump_backtrace+0x0/0x43c
[  416.595393][T27803]  show_stack+0x2c/0x3c
[  416.596047][T27803]  __dump_stack+0x30/0x40
[  416.596726][T27803]  dump_stack_lvl+0xf8/0x160
[  416.597438][T27803]  dump_stack+0x1c/0x5c
[  416.598120][T27803]  should_fail+0x3c0/0x51c
[  416.598839][T27803]  __should_failslab+0xbc/0x10c
[  416.599697][T27803]  should_failslab+0x10/0x28
[  416.600464][T27803]  slab_pre_alloc_hook+0x64/0xec
[  416.601266][T27803]  kmem_cache_alloc+0x94/0x3e4
[  416.602000][T27803]  new_inode_pseudo+0x10c/0x1fc
[  416.602685][T27803]  new_inode+0x38/0x174
[  416.603341][T27803]  debugfs_create_dir+0xec/0x3f4
[  416.604143][T27803]  nbd_start_device+0x3c8/0xb40
[  416.604913][T27803]  nbd_ioctl+0x514/0xc50
[  416.605588][T27803]  blkdev_ioctl+0x5f8/0xbb8
[  416.606228][T27803]  block_ioctl+0xa4/0x118
[  416.606933][T27803]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.607760][T27803]  invoke_syscall+0x98/0x2b8
[  416.608542][T27803]  el0_svc_common+0x138/0x258
[  416.609358][T27803]  do_el0_svc+0x58/0x14c
[  416.610047][T27803]  el0_svc+0x78/0x1e0
[  416.610696][T27803]  el0t_64_sync_handler+0xcc/0xe4
[  416.611487][T27803]  el0t_64_sync+0x1a0/0x1a4
[  416.613677][T27803] debugfs: out of free dentries, can not create directory 'nbd2'
[  416.615172][T27804] FAULT_INJECTION: forcing a failure.
[  416.615172][T27804] name failslab, interval 1, probability 0, space 0, times 0
[  416.616080][T27803] block nbd2: Failed to create debugfs dir for 'nbd2'
[  416.618223][T27804] CPU: 1 PID: 27804 Comm: syz-executor114 Not tainted syzkaller #0
[  416.619554][T27804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.621260][T27804] Call trace:
[  416.621799][T27804]  dump_backtrace+0x0/0x43c
[  416.622567][T27804]  show_stack+0x2c/0x3c
[  416.623295][T27804]  __dump_stack+0x30/0x40
[  416.624013][T27804]  dump_stack_lvl+0xf8/0x160
[  416.624771][T27804]  dump_stack+0x1c/0x5c
[  416.625448][T27804]  should_fail+0x3c0/0x51c
[  416.626199][T27804]  __should_failslab+0xbc/0x10c
[  416.627045][T27804]  should_failslab+0x10/0x28
[  416.627732][T27804]  slab_pre_alloc_hook+0x64/0xec
[  416.628475][T27813] block nbd4: shutting down sockets
[  416.628473][T27804]  kmem_cache_alloc+0x94/0x3e4
[  416.628492][T27804]  new_inode_pseudo+0x10c/0x1fc
[  416.630809][T27804]  new_inode+0x38/0x174
[  416.631437][T27804]  debugfs_create_dir+0xec/0x3f4
[  416.632191][T27804]  nbd_start_device+0x3c8/0xb40
[  416.632998][T27804]  nbd_ioctl+0x514/0xc50
[  416.633668][T27804]  blkdev_ioctl+0x5f8/0xbb8
[  416.634410][T27804]  block_ioctl+0xa4/0x118
[  416.635113][T27804]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.635861][T27804]  invoke_syscall+0x98/0x2b8
[  416.636595][T27804]  el0_svc_common+0x138/0x258
[  416.637349][T27804]  do_el0_svc+0x58/0x14c
[  416.638070][T27804]  el0_svc+0x78/0x1e0
[  416.638706][T27804]  el0t_64_sync_handler+0xcc/0xe4
[  416.639517][T27804]  el0t_64_sync+0x1a0/0x1a4
[  416.641451][T27804] debugfs: out of free dentries, can not create directory 'nbd1'
[  416.643161][T27804] block nbd1: Failed to create debugfs dir for 'nbd1'
[  416.655872][T27812] block nbd0: shutting down sockets
[  416.657251][T27809] FAULT_INJECTION: forcing a failure.
[  416.657251][T27809] name failslab, interval 1, probability 0, space 0, times 0
[  416.659569][T27809] CPU: 1 PID: 27809 Comm: syz-executor114 Not tainted syzkaller #0
[  416.660902][T27809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.662613][T27809] Call trace:
[  416.663152][T27809]  dump_backtrace+0x0/0x43c
[  416.663903][T27809]  show_stack+0x2c/0x3c
[  416.664555][T27809]  __dump_stack+0x30/0x40
[  416.665287][T27809]  dump_stack_lvl+0xf8/0x160
[  416.666063][T27809]  dump_stack+0x1c/0x5c
[  416.666802][T27809]  should_fail+0x3c0/0x51c
[  416.667495][T27809]  __should_failslab+0xbc/0x10c
[  416.668281][T27809]  should_failslab+0x10/0x28
[  416.669064][T27809]  slab_pre_alloc_hook+0x64/0xec
[  416.669920][T27809]  kmem_cache_alloc+0x94/0x3e4
[  416.670688][T27809]  new_inode_pseudo+0x10c/0x1fc
[  416.671429][T27809]  new_inode+0x38/0x174
[  416.672144][T27809]  debugfs_create_dir+0xec/0x3f4
[  416.672930][T27809]  nbd_start_device+0x3c8/0xb40
[  416.673719][T27809]  nbd_ioctl+0x514/0xc50
[  416.674445][T27809]  blkdev_ioctl+0x5f8/0xbb8
[  416.675196][T27809]  block_ioctl+0xa4/0x118
[  416.675893][T27809]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.676681][T27809]  invoke_syscall+0x98/0x2b8
[  416.677363][T27809]  el0_svc_common+0x138/0x258
[  416.678102][T27809]  do_el0_svc+0x58/0x14c
[  416.678784][T27809]  el0_svc+0x78/0x1e0
[  416.679394][T27809]  el0t_64_sync_handler+0xcc/0xe4
[  416.680252][T27809]  el0t_64_sync+0x1a0/0x1a4
[  416.683446][T27809] debugfs: out of free dentries, can not create directory 'nbd4'
[  416.698205][T27811] FAULT_INJECTION: forcing a failure.
[  416.698205][T27811] name failslab, interval 1, probability 0, space 0, times 0
[  416.698413][T27809] block nbd4: Failed to create debugfs dir for 'nbd4'
[  416.700510][T27811] CPU: 1 PID: 27811 Comm: syz-executor114 Not tainted syzkaller #0
[  416.702513][T27811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.704200][T27811] Call trace:
[  416.704774][T27811]  dump_backtrace+0x0/0x43c
[  416.705571][T27811]  show_stack+0x2c/0x3c
[  416.706217][T27811]  __dump_stack+0x30/0x40
[  416.706899][T27811]  dump_stack_lvl+0xf8/0x160
[  416.707639][T27811]  dump_stack+0x1c/0x5c
[  416.708304][T27811]  should_fail+0x3c0/0x51c
[  416.709110][T27811]  __should_failslab+0xbc/0x10c
[  416.709949][T27811]  should_failslab+0x10/0x28
[  416.710667][T27811]  slab_pre_alloc_hook+0x64/0xec
[  416.711400][T27811]  kmem_cache_alloc+0x94/0x3e4
[  416.712174][T27811]  new_inode_pseudo+0x10c/0x1fc
[  416.712916][T27811]  new_inode+0x38/0x174
[  416.713587][T27811]  debugfs_create_dir+0xec/0x3f4
[  416.714358][T27811]  nbd_start_device+0x3c8/0xb40
[  416.715079][T27811]  nbd_ioctl+0x514/0xc50
[  416.715707][T27811]  blkdev_ioctl+0x5f8/0xbb8
[  416.716424][T27811]  block_ioctl+0xa4/0x118
[  416.717042][T27811]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.717728][T27811]  invoke_syscall+0x98/0x2b8
[  416.718399][T27811]  el0_svc_common+0x138/0x258
[  416.719106][T27811]  do_el0_svc+0x58/0x14c
[  416.719747][T27811]  el0_svc+0x78/0x1e0
[  416.720435][T27811]  el0t_64_sync_handler+0xcc/0xe4
[  416.721229][T27811]  el0t_64_sync+0x1a0/0x1a4
[  416.723150][T27811] debugfs: out of free dentries, can not create directory 'nbd0'
[  416.725195][T27811] block nbd0: Failed to create debugfs dir for 'nbd0'
[  416.760260][T27815] block nbd1: shutting down sockets
[  416.776720][T27815] FAULT_INJECTION: forcing a failure.
[  416.776720][T27815] name failslab, interval 1, probability 0, space 0, times 0
[  416.779179][T27815] CPU: 1 PID: 27815 Comm: syz-executor114 Not tainted syzkaller #0
[  416.780534][T27815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.782267][T27815] Call trace:
[  416.782802][T27815]  dump_backtrace+0x0/0x43c
[  416.783496][T27815]  show_stack+0x2c/0x3c
[  416.784116][T27815]  __dump_stack+0x30/0x40
[  416.784735][T27815]  dump_stack_lvl+0xf8/0x160
[  416.785527][T27815]  dump_stack+0x1c/0x5c
[  416.786200][T27815]  should_fail+0x3c0/0x51c
[  416.786924][T27815]  __should_failslab+0xbc/0x10c
[  416.787689][T27815]  should_failslab+0x10/0x28
[  416.788455][T27815]  slab_pre_alloc_hook+0x64/0xec
[  416.789297][T27815]  kmem_cache_alloc+0x94/0x3e4
[  416.790063][T27815]  new_inode_pseudo+0x10c/0x1fc
[  416.790827][T27815]  new_inode+0x38/0x174
[  416.791452][T27815]  debugfs_create_dir+0xec/0x3f4
[  416.792231][T27815]  nbd_start_device+0x3c8/0xb40
[  416.793010][T27815]  nbd_ioctl+0x514/0xc50
[  416.793704][T27815]  blkdev_ioctl+0x5f8/0xbb8
[  416.794431][T27815]  block_ioctl+0xa4/0x118
[  416.795089][T27815]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.795914][T27815]  invoke_syscall+0x98/0x2b8
[  416.796682][T27815]  el0_svc_common+0x138/0x258
[  416.797429][T27815]  do_el0_svc+0x58/0x14c
[  416.798103][T27815]  el0_svc+0x78/0x1e0
[  416.798746][T27815]  el0t_64_sync_handler+0xcc/0xe4
[  416.799568][T27815]  el0t_64_sync+0x1a0/0x1a4
[  416.800712][T27815] debugfs: out of free dentries, can not create directory 'nbd1'
[  416.802301][T27815] block nbd1: Failed to create debugfs dir for 'nbd1'
[  416.808691][T27821] block nbd2: shutting down sockets
[  416.826771][T27819] block nbd4: shutting down sockets
[  416.828256][T27819] FAULT_INJECTION: forcing a failure.
[  416.828256][T27819] name failslab, interval 1, probability 0, space 0, times 0
[  416.830203][T27819] CPU: 0 PID: 27819 Comm: syz-executor114 Not tainted syzkaller #0
[  416.831355][T27819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.832983][T27819] Call trace:
[  416.833543][T27819]  dump_backtrace+0x0/0x43c
[  416.834257][T27819]  show_stack+0x2c/0x3c
[  416.834964][T27819]  __dump_stack+0x30/0x40
[  416.835668][T27819]  dump_stack_lvl+0xf8/0x160
[  416.836430][T27819]  dump_stack+0x1c/0x5c
[  416.836633][T27823] FAULT_INJECTION: forcing a failure.
[  416.836633][T27823] name fail_futex, interval 1, probability 0, space 0, times 0
[  416.837120][T27819]  should_fail+0x3c0/0x51c
[  416.839898][T27819]  __should_failslab+0xbc/0x10c
[  416.840655][T27819]  should_failslab+0x10/0x28
[  416.841469][T27819]  slab_pre_alloc_hook+0x64/0xec
[  416.842351][T27819]  kmem_cache_alloc+0x94/0x3e4
[  416.843145][T27819]  new_inode_pseudo+0x10c/0x1fc
[  416.843936][T27819]  new_inode+0x38/0x174
[  416.844661][T27819]  debugfs_create_dir+0xec/0x3f4
[  416.845467][T27819]  nbd_start_device+0x3c8/0xb40
[  416.846233][T27819]  nbd_ioctl+0x514/0xc50
[  416.846919][T27819]  blkdev_ioctl+0x5f8/0xbb8
[  416.847688][T27819]  block_ioctl+0xa4/0x118
[  416.848363][T27819]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.849124][T27819]  invoke_syscall+0x98/0x2b8
[  416.849843][T27819]  el0_svc_common+0x138/0x258
[  416.850549][T27819]  do_el0_svc+0x58/0x14c
[  416.851242][T27819]  el0_svc+0x78/0x1e0
[  416.851884][T27819]  el0t_64_sync_handler+0xcc/0xe4
[  416.852377][T27818] block nbd3: shutting down sockets
[  416.852635][T27819]  el0t_64_sync+0x1a0/0x1a4
[  416.854303][T27819] debugfs: out of free dentries, can not create directory 'nbd4'
[  416.855543][T27819] block nbd4: Failed to create debugfs dir for 'nbd4'
[  416.867791][T27821] FAULT_INJECTION: forcing a failure.
[  416.867791][T27821] name failslab, interval 1, probability 0, space 0, times 0
[  416.870031][T27823] CPU: 1 PID: 27823 Comm: syz-executor114 Not tainted syzkaller #0
[  416.871377][T27823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.873006][T27823] Call trace:
[  416.873536][T27823]  dump_backtrace+0x0/0x43c
[  416.874267][T27823]  show_stack+0x2c/0x3c
[  416.874884][T27823]  __dump_stack+0x30/0x40
[  416.875584][T27823]  dump_stack_lvl+0xf8/0x160
[  416.876247][T27823]  dump_stack+0x1c/0x5c
[  416.876817][T27823]  should_fail+0x3c0/0x51c
[  416.877505][T27823]  get_futex_key+0x658/0xb90
[  416.878257][T27823]  futex_wake+0xf4/0x4f4
[  416.878905][T27823]  do_futex+0x1684/0x257c
[  416.879617][T27823]  __arm64_sys_futex+0x388/0x400
[  416.880378][T27823]  invoke_syscall+0x98/0x2b8
[  416.881160][T27823]  el0_svc_common+0x138/0x258
[  416.881925][T27823]  do_el0_svc+0x58/0x14c
[  416.882548][T27823]  el0_svc+0x78/0x1e0
[  416.883127][T27823]  el0t_64_sync_handler+0xcc/0xe4
[  416.883911][T27823]  el0t_64_sync+0x1a0/0x1a4
[  416.884583][T27821] CPU: 0 PID: 27821 Comm: syz-executor114 Not tainted syzkaller #0
[  416.885842][T27821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.887364][T27821] Call trace:
[  416.887929][T27821]  dump_backtrace+0x0/0x43c
[  416.888685][T27821]  show_stack+0x2c/0x3c
[  416.889350][T27821]  __dump_stack+0x30/0x40
[  416.890030][T27821]  dump_stack_lvl+0xf8/0x160
[  416.890761][T27821]  dump_stack+0x1c/0x5c
[  416.891462][T27821]  should_fail+0x3c0/0x51c
[  416.892195][T27821]  __should_failslab+0xbc/0x10c
[  416.892954][T27821]  should_failslab+0x10/0x28
[  416.893710][T27821]  slab_pre_alloc_hook+0x64/0xec
[  416.894482][T27821]  kmem_cache_alloc+0x94/0x3e4
[  416.895196][T27821]  new_inode_pseudo+0x10c/0x1fc
[  416.895923][T27821]  new_inode+0x38/0x174
[  416.896593][T27821]  debugfs_create_dir+0xec/0x3f4
[  416.897369][T27821]  nbd_start_device+0x3c8/0xb40
[  416.898074][T27821]  nbd_ioctl+0x514/0xc50
[  416.898728][T27821]  blkdev_ioctl+0x5f8/0xbb8
[  416.899523][T27821]  block_ioctl+0xa4/0x118
[  416.900253][T27821]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.901086][T27821]  invoke_syscall+0x98/0x2b8
[  416.901786][T27821]  el0_svc_common+0x138/0x258
[  416.902524][T27821]  do_el0_svc+0x58/0x14c
[  416.903173][T27821]  el0_svc+0x78/0x1e0
[  416.903771][T27821]  el0t_64_sync_handler+0xcc/0xe4
[  416.904561][T27821]  el0t_64_sync+0x1a0/0x1a4
[  416.906501][T27821] debugfs: out of free dentries, can not create directory 'nbd2'
[  416.907664][T27821] block nbd2: Failed to create debugfs dir for 'nbd2'
[  416.914566][T27818] FAULT_INJECTION: forcing a failure.
[  416.914566][T27818] name failslab, interval 1, probability 0, space 0, times 0
[  416.917625][T27828] block nbd1: shutting down sockets
[  416.926112][T27818] CPU: 0 PID: 27818 Comm: syz-executor114 Not tainted syzkaller #0
[  416.927293][T27818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.928919][T27818] Call trace:
[  416.929416][T27818]  dump_backtrace+0x0/0x43c
[  416.930106][T27818]  show_stack+0x2c/0x3c
[  416.930726][T27818]  __dump_stack+0x30/0x40
[  416.931415][T27818]  dump_stack_lvl+0xf8/0x160
[  416.932070][T27818]  dump_stack+0x1c/0x5c
[  416.932653][T27818]  should_fail+0x3c0/0x51c
[  416.933268][T27818]  __should_failslab+0xbc/0x10c
[  416.934005][T27818]  should_failslab+0x10/0x28
[  416.934688][T27818]  slab_pre_alloc_hook+0x64/0xec
[  416.935521][T27818]  kmem_cache_alloc+0x94/0x3e4
[  416.936289][T27818]  new_inode_pseudo+0x10c/0x1fc
[  416.937066][T27818]  new_inode+0x38/0x174
[  416.937702][T27818]  debugfs_create_dir+0xec/0x3f4
[  416.938502][T27818]  nbd_start_device+0x3c8/0xb40
[  416.939264][T27818]  nbd_ioctl+0x514/0xc50
[  416.939954][T27818]  blkdev_ioctl+0x5f8/0xbb8
[  416.940678][T27818]  block_ioctl+0xa4/0x118
[  416.941359][T27818]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.942126][T27818]  invoke_syscall+0x98/0x2b8
[  416.942808][T27818]  el0_svc_common+0x138/0x258
[  416.943542][T27818]  do_el0_svc+0x58/0x14c
[  416.944260][T27818]  el0_svc+0x78/0x1e0
[  416.944890][T27818]  el0t_64_sync_handler+0xcc/0xe4
[  416.945718][T27818]  el0t_64_sync+0x1a0/0x1a4
[  416.966655][T27818] debugfs: out of free dentries, can not create directory 'nbd3'
[  416.968055][T27828] FAULT_INJECTION: forcing a failure.
[  416.968055][T27828] name failslab, interval 1, probability 0, space 0, times 0
[  416.970057][T27828] CPU: 0 PID: 27828 Comm: syz-executor114 Not tainted syzkaller #0
[  416.971395][T27828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  416.973028][T27828] Call trace:
[  416.973518][T27828]  dump_backtrace+0x0/0x43c
[  416.974191][T27828]  show_stack+0x2c/0x3c
[  416.974833][T27828]  __dump_stack+0x30/0x40
[  416.975516][T27828]  dump_stack_lvl+0xf8/0x160
[  416.976200][T27828]  dump_stack+0x1c/0x5c
[  416.976844][T27828]  should_fail+0x3c0/0x51c
[  416.977508][T27828]  __should_failslab+0xbc/0x10c
[  416.978203][T27828]  should_failslab+0x10/0x28
[  416.978926][T27828]  slab_pre_alloc_hook+0x64/0xec
[  416.979755][T27828]  kmem_cache_alloc+0x94/0x3e4
[  416.980548][T27828]  new_inode_pseudo+0x10c/0x1fc
[  416.981302][T27828]  new_inode+0x38/0x174
[  416.981984][T27828]  debugfs_create_dir+0xec/0x3f4
[  416.982780][T27828]  nbd_start_device+0x3c8/0xb40
[  416.983559][T27828]  nbd_ioctl+0x514/0xc50
[  416.984247][T27828]  blkdev_ioctl+0x5f8/0xbb8
[  416.984938][T27828]  block_ioctl+0xa4/0x118
[  416.985665][T27828]  __arm64_sys_ioctl+0x14c/0x1c8
[  416.986460][T27828]  invoke_syscall+0x98/0x2b8
[  416.987221][T27828]  el0_svc_common+0x138/0x258
[  416.988010][T27828]  do_el0_svc+0x58/0x14c
[  416.988682][T27828]  el0_svc+0x78/0x1e0
[  416.989319][T27828]  el0t_64_sync_handler+0xcc/0xe4
[  416.990148][T27828]  el0t_64_sync+0x1a0/0x1a4
[  416.995388][T27818] block nbd3: Failed to create debugfs dir for 'nbd3'
[  417.001256][T27828] debugfs: out of free dentries, can not create directory 'nbd1'
[  417.002537][T27828] block nbd1: Failed to create debugfs dir for 'nbd1'
[  417.026090][T27839] block nbd4: shutting down sockets
[  417.026145][T27837] block nbd0: shutting down sockets
[  417.036174][T27838] block nbd2: shutting down sockets
[  417.036646][T27835] FAULT_INJECTION: forcing a failure.
[  417.036646][T27835] name failslab, interval 1, probability 0, space 0, times 0
[  417.039047][T27835] CPU: 1 PID: 27835 Comm: syz-executor114 Not tainted syzkaller #0
[  417.040232][T27835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.041806][T27835] Call trace:
[  417.042271][T27835]  dump_backtrace+0x0/0x43c
[  417.042980][T27835]  show_stack+0x2c/0x3c
[  417.043613][T27835]  __dump_stack+0x30/0x40
[  417.044237][T27835]  dump_stack_lvl+0xf8/0x160
[  417.044876][T27835]  dump_stack+0x1c/0x5c
[  417.045460][T27835]  should_fail+0x3c0/0x51c
[  417.046104][T27835]  __should_failslab+0xbc/0x10c
[  417.046891][T27835]  should_failslab+0x10/0x28
[  417.047662][T27835]  slab_pre_alloc_hook+0x64/0xec
[  417.048431][T27835]  kmem_cache_alloc+0x94/0x3e4
[  417.049216][T27835]  radix_tree_node_alloc+0x180/0x340
[  417.050032][T27835]  idr_get_free+0x240/0x8fc
[  417.050827][T27835]  idr_alloc_cyclic+0x154/0x468
[  417.051594][T27835]  __kernfs_new_node+0x120/0x5d8
[  417.052383][T27835]  kernfs_new_node+0x11c/0x240
[  417.053158][T27835]  __kernfs_create_file+0x60/0x2d4
[  417.054002][T27835]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  417.054903][T27835]  sysfs_create_file_ns+0x104/0x188
[  417.055807][T27835]  device_create_file+0xfc/0x1b0
[  417.056564][T27835]  nbd_start_device+0x350/0xb40
[  417.057349][T27835]  nbd_ioctl+0x514/0xc50
[  417.058046][T27835]  blkdev_ioctl+0x5f8/0xbb8
[  417.058775][T27835]  block_ioctl+0xa4/0x118
[  417.059491][T27835]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.060267][T27835]  invoke_syscall+0x98/0x2b8
[  417.060955][T27835]  el0_svc_common+0x138/0x258
[  417.061646][T27835]  do_el0_svc+0x58/0x14c
[  417.062340][T27835]  el0_svc+0x78/0x1e0
[  417.062989][T27835]  el0t_64_sync_handler+0xcc/0xe4
[  417.063837][T27835]  el0t_64_sync+0x1a0/0x1a4
[  417.078880][T27836] FAULT_INJECTION: forcing a failure.
[  417.078880][T27836] name failslab, interval 1, probability 0, space 0, times 0
[  417.081422][T27836] CPU: 1 PID: 27836 Comm: syz-executor114 Not tainted syzkaller #0
[  417.082650][T27836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.084361][T27836] Call trace:
[  417.084879][T27836]  dump_backtrace+0x0/0x43c
[  417.085681][T27836]  show_stack+0x2c/0x3c
[  417.086333][T27836]  __dump_stack+0x30/0x40
[  417.087051][T27836]  dump_stack_lvl+0xf8/0x160
[  417.087871][T27836]  dump_stack+0x1c/0x5c
[  417.088614][T27836]  should_fail+0x3c0/0x51c
[  417.089357][T27836]  __should_failslab+0xbc/0x10c
[  417.090137][T27836]  should_failslab+0x10/0x28
[  417.090893][T27836]  slab_pre_alloc_hook+0x64/0xec
[  417.091702][T27836]  kmem_cache_alloc+0x94/0x3e4
[  417.092519][T27836]  new_inode_pseudo+0x10c/0x1fc
[  417.093324][T27836]  new_inode+0x38/0x174
[  417.094014][T27836]  debugfs_create_dir+0xec/0x3f4
[  417.094881][T27836]  nbd_start_device+0x3c8/0xb40
[  417.095629][T27836]  nbd_ioctl+0x514/0xc50
[  417.096290][T27836]  blkdev_ioctl+0x5f8/0xbb8
[  417.096944][T27836]  block_ioctl+0xa4/0x118
[  417.097577][T27836]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.098313][T27836]  invoke_syscall+0x98/0x2b8
[  417.099016][T27836]  el0_svc_common+0x138/0x258
[  417.099709][T27836]  do_el0_svc+0x58/0x14c
[  417.100298][T27836]  el0_svc+0x78/0x1e0
[  417.100972][T27836]  el0t_64_sync_handler+0xcc/0xe4
[  417.101786][T27836]  el0t_64_sync+0x1a0/0x1a4
[  417.105798][T27836] debugfs: out of free dentries, can not create directory 'nbd2'
[  417.107814][T27836] block nbd2: Failed to create debugfs dir for 'nbd2'
[  417.108796][ T1643] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.127339][T27832] FAULT_INJECTION: forcing a failure.
[  417.127339][T27832] name failslab, interval 1, probability 0, space 0, times 0
[  417.129813][T27832] CPU: 0 PID: 27832 Comm: syz-executor114 Not tainted syzkaller #0
[  417.131070][T27832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.132733][T27832] Call trace:
[  417.133262][T27832]  dump_backtrace+0x0/0x43c
[  417.133961][T27832]  show_stack+0x2c/0x3c
[  417.134591][T27832]  __dump_stack+0x30/0x40
[  417.135260][T27832]  dump_stack_lvl+0xf8/0x160
[  417.135952][T27832]  dump_stack+0x1c/0x5c
[  417.136634][T27832]  should_fail+0x3c0/0x51c
[  417.137356][T27832]  __should_failslab+0xbc/0x10c
[  417.138129][T27832]  should_failslab+0x10/0x28
[  417.138862][T27832]  slab_pre_alloc_hook+0x64/0xec
[  417.139626][T27832]  kmem_cache_alloc+0x94/0x3e4
[  417.140340][T27832]  new_inode_pseudo+0x10c/0x1fc
[  417.141066][T27832]  new_inode+0x38/0x174
[  417.141762][T27832]  debugfs_create_dir+0xec/0x3f4
[  417.142559][T27832]  nbd_start_device+0x3c8/0xb40
[  417.143343][T27832]  nbd_ioctl+0x514/0xc50
[  417.144023][T27832]  blkdev_ioctl+0x5f8/0xbb8
[  417.144743][T27832]  block_ioctl+0xa4/0x118
[  417.145455][T27832]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.146212][T27832]  invoke_syscall+0x98/0x2b8
[  417.146907][T27832]  el0_svc_common+0x138/0x258
[  417.147612][T27832]  do_el0_svc+0x58/0x14c
[  417.148228][T27832]  el0_svc+0x78/0x1e0
[  417.148913][T27832]  el0t_64_sync_handler+0xcc/0xe4
[  417.149715][T27832]  el0t_64_sync+0x1a0/0x1a4
[  417.152827][T27832] debugfs: out of free dentries, can not create directory 'nbd4'
[  417.154210][T27832] block nbd4: Failed to create debugfs dir for 'nbd4'
[  417.179144][T27850] block nbd3: Device being setup by another task
[  417.181059][T27843] block nbd1: shutting down sockets
[  417.182103][ T1643] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.185407][T27841] block nbd3: shutting down sockets
[  417.196520][T27846] block nbd0: shutting down sockets
[  417.197850][T27843] FAULT_INJECTION: forcing a failure.
[  417.197850][T27843] name failslab, interval 1, probability 0, space 0, times 0
[  417.199914][T27843] CPU: 1 PID: 27843 Comm: syz-executor114 Not tainted syzkaller #0
[  417.201089][T27843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.202649][T27843] Call trace:
[  417.203127][T27843]  dump_backtrace+0x0/0x43c
[  417.203878][T27843]  show_stack+0x2c/0x3c
[  417.204506][T27843]  __dump_stack+0x30/0x40
[  417.205160][T27843]  dump_stack_lvl+0xf8/0x160
[  417.205929][T27843]  dump_stack+0x1c/0x5c
[  417.206577][T27843]  should_fail+0x3c0/0x51c
[  417.207265][T27843]  __should_failslab+0xbc/0x10c
[  417.207963][T27843]  should_failslab+0x10/0x28
[  417.208662][T27843]  slab_pre_alloc_hook+0x64/0xec
[  417.209353][T27843]  kmem_cache_alloc+0x94/0x3e4
[  417.210071][T27843]  radix_tree_node_alloc+0x180/0x340
[  417.210876][T27843]  idr_get_free+0x240/0x8fc
[  417.211540][T27843]  idr_alloc_cyclic+0x154/0x468
[  417.212306][T27843]  __kernfs_new_node+0x120/0x5d8
[  417.213095][T27843]  kernfs_new_node+0x11c/0x240
[  417.213838][T27843]  __kernfs_create_file+0x60/0x2d4
[  417.214637][T27843]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  417.215517][T27843]  sysfs_create_file_ns+0x104/0x188
[  417.216337][T27843]  device_create_file+0xfc/0x1b0
[  417.217058][T27843]  nbd_start_device+0x350/0xb40
[  417.217774][T27843]  nbd_ioctl+0x514/0xc50
[  417.218478][T27843]  blkdev_ioctl+0x5f8/0xbb8
[  417.219137][T27843]  block_ioctl+0xa4/0x118
[  417.219764][T27843]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.220529][T27843]  invoke_syscall+0x98/0x2b8
[  417.221262][T27843]  el0_svc_common+0x138/0x258
[  417.222026][T27843]  do_el0_svc+0x58/0x14c
[  417.222745][T27843]  el0_svc+0x78/0x1e0
[  417.223350][T27843]  el0t_64_sync_handler+0xcc/0xe4
[  417.224169][T27843]  el0t_64_sync+0x1a0/0x1a4
[  417.230364][ T1643] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.230444][T27849] block nbd2: shutting down sockets
[  417.239068][T27846] FAULT_INJECTION: forcing a failure.
[  417.239068][T27846] name failslab, interval 1, probability 0, space 0, times 0
[  417.241584][T27846] CPU: 0 PID: 27846 Comm: syz-executor114 Not tainted syzkaller #0
[  417.242795][T27846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.244406][T27846] Call trace:
[  417.244942][T27846]  dump_backtrace+0x0/0x43c
[  417.245733][T27846]  show_stack+0x2c/0x3c
[  417.246387][T27846]  __dump_stack+0x30/0x40
[  417.247085][T27846]  dump_stack_lvl+0xf8/0x160
[  417.247783][T27846]  dump_stack+0x1c/0x5c
[  417.248381][T27846]  should_fail+0x3c0/0x51c
[  417.248731][T27841] FAULT_INJECTION: forcing a failure.
[  417.248731][T27841] name failslab, interval 1, probability 0, space 0, times 0
[  417.249104][T27846]  __should_failslab+0xbc/0x10c
[  417.251962][T27846]  should_failslab+0x10/0x28
[  417.252696][T27846]  slab_pre_alloc_hook+0x64/0xec
[  417.253540][T27846]  kmem_cache_alloc+0x94/0x3e4
[  417.254329][T27846]  new_inode_pseudo+0x10c/0x1fc
[  417.255137][T27846]  new_inode+0x38/0x174
[  417.255832][T27846]  debugfs_create_dir+0xec/0x3f4
[  417.256590][T27846]  nbd_start_device+0x3c8/0xb40
[  417.257376][T27846]  nbd_ioctl+0x514/0xc50
[  417.258029][T27846]  blkdev_ioctl+0x5f8/0xbb8
[  417.258734][T27846]  block_ioctl+0xa4/0x118
[  417.259440][T27846]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.260235][T27846]  invoke_syscall+0x98/0x2b8
[  417.260944][T27846]  el0_svc_common+0x138/0x258
[  417.261700][T27846]  do_el0_svc+0x58/0x14c
[  417.262395][T27846]  el0_svc+0x78/0x1e0
[  417.263021][T27846]  el0t_64_sync_handler+0xcc/0xe4
[  417.263839][T27846]  el0t_64_sync+0x1a0/0x1a4
[  417.270340][ T1643] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.273339][T27846] debugfs: out of free dentries, can not create directory 'nbd0'
[  417.274943][T27846] block nbd0: Failed to create debugfs dir for 'nbd0'
[  417.282233][T27841] CPU: 1 PID: 27841 Comm: syz-executor114 Not tainted syzkaller #0
[  417.283525][T27841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.285005][T27841] Call trace:
[  417.285500][T27841]  dump_backtrace+0x0/0x43c
[  417.286142][T27841]  show_stack+0x2c/0x3c
[  417.286709][T27841]  __dump_stack+0x30/0x40
[  417.287382][T27841]  dump_stack_lvl+0xf8/0x160
[  417.288184][T27841]  dump_stack+0x1c/0x5c
[  417.288896][T27841]  should_fail+0x3c0/0x51c
[  417.289616][T27841]  __should_failslab+0xbc/0x10c
[  417.290389][T27841]  should_failslab+0x10/0x28
[  417.291087][T27841]  slab_pre_alloc_hook+0x64/0xec
[  417.291813][T27841]  __kmalloc_track_caller+0x74/0x370
[  417.292555][T27841]  kstrdup+0xe4/0x15c
[  417.293170][T27841]  kstrdup_const+0x54/0x6c
[  417.293845][T27841]  __kernfs_new_node+0xa8/0x5d8
[  417.294544][T27841]  kernfs_new_node+0x11c/0x240
[  417.295261][T27841]  kernfs_create_dir_ns+0x58/0x12c
[  417.296090][T27841]  sysfs_create_dir_ns+0x114/0x24c
[  417.296887][T27841]  kobject_add_internal+0x590/0xc54
[  417.297677][T27841]  kobject_add+0x134/0x1f8
[  417.298377][T27841]  blk_mq_register_hctx+0xc0/0x35c
[  417.299212][T27841]  blk_mq_sysfs_register+0xb8/0x18c
[  417.300106][T27841]  blk_mq_update_nr_hw_queues+0x78c/0xbfc
[  417.301029][T27841]  nbd_start_device+0x14c/0xb40
[  417.301768][T27841]  nbd_ioctl+0x514/0xc50
[  417.302453][T27841]  blkdev_ioctl+0x5f8/0xbb8
[  417.303424][T27841]  block_ioctl+0xa4/0x118
[  417.304174][T27841]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.304944][T27841]  invoke_syscall+0x98/0x2b8
[  417.305658][T27841]  el0_svc_common+0x138/0x258
[  417.306454][T27841]  do_el0_svc+0x58/0x14c
[  417.307133][T27841]  el0_svc+0x78/0x1e0
[  417.307727][T27841]  el0t_64_sync_handler+0xcc/0xe4
[  417.308591][T27841]  el0t_64_sync+0x1a0/0x1a4
[  417.319557][T27841] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  417.321372][T27855] FAULT_INJECTION: forcing a failure.
[  417.321372][T27855] name failslab, interval 1, probability 0, space 0, times 0
[  417.323439][T27855] CPU: 1 PID: 27855 Comm: syz-executor114 Not tainted syzkaller #0
[  417.324714][T27855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.326278][T27855] Call trace:
[  417.326754][T27855]  dump_backtrace+0x0/0x43c
[  417.327486][T27855]  show_stack+0x2c/0x3c
[  417.328179][T27855]  __dump_stack+0x30/0x40
[  417.328898][T27855]  dump_stack_lvl+0xf8/0x160
[  417.329653][T27855]  dump_stack+0x1c/0x5c
[  417.330334][T27855]  should_fail+0x3c0/0x51c
[  417.331054][T27855]  __should_failslab+0xbc/0x10c
[  417.331836][T27855]  should_failslab+0x10/0x28
[  417.332605][T27855]  slab_pre_alloc_hook+0x64/0xec
[  417.333387][T27855]  kmem_cache_alloc+0x94/0x3e4
[  417.334061][T27855]  radix_tree_node_alloc+0x180/0x340
[  417.334799][T27855]  idr_get_free+0x240/0x8fc
[  417.335438][T27855]  idr_alloc_cyclic+0x154/0x468
[  417.336193][T27855]  __kernfs_new_node+0x120/0x5d8
[  417.336914][T27855]  kernfs_new_node+0x11c/0x240
[  417.337639][T27855]  __kernfs_create_file+0x60/0x2d4
[  417.338375][T27855]  sysfs_add_file_mode_ns+0x2c4/0x3a4
[  417.339160][T27855]  sysfs_create_file_ns+0x104/0x188
[  417.340005][T27855]  device_create_file+0xfc/0x1b0
[  417.340874][T27855]  nbd_start_device+0x350/0xb40
[  417.341647][T27855]  nbd_ioctl+0x514/0xc50
[  417.342333][T27855]  blkdev_ioctl+0x5f8/0xbb8
[  417.343042][T27855]  block_ioctl+0xa4/0x118
[  417.343708][T27855]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.344477][T27855]  invoke_syscall+0x98/0x2b8
[  417.345210][T27855]  el0_svc_common+0x138/0x258
[  417.345998][T27855]  do_el0_svc+0x58/0x14c
[  417.346738][T27855]  el0_svc+0x78/0x1e0
[  417.347407][T27855]  el0t_64_sync_handler+0xcc/0xe4
[  417.348215][T27855]  el0t_64_sync+0x1a0/0x1a4
[  417.356228][T27854] block nbd4: shutting down sockets
[  417.417353][T27857] block nbd1: shutting down sockets
[  417.421539][T27858] FAULT_INJECTION: forcing a failure.
[  417.421539][T27858] name failslab, interval 1, probability 0, space 0, times 0
[  417.430298][T27858] CPU: 0 PID: 27858 Comm: syz-executor114 Not tainted syzkaller #0
[  417.431690][T27858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.433264][T27858] Call trace:
[  417.433838][T27858]  dump_backtrace+0x0/0x43c
[  417.434591][T27858]  show_stack+0x2c/0x3c
[  417.435294][T27858]  __dump_stack+0x30/0x40
[  417.436024][T27858]  dump_stack_lvl+0xf8/0x160
[  417.436697][T27858]  dump_stack+0x1c/0x5c
[  417.437293][T27858]  should_fail+0x3c0/0x51c
[  417.437948][T27858]  __should_failslab+0xbc/0x10c
[  417.438650][T27858]  should_failslab+0x10/0x28
[  417.439384][T27858]  slab_pre_alloc_hook+0x64/0xec
[  417.440108][T27858]  kmem_cache_alloc+0x94/0x3e4
[  417.440850][T27858]  new_inode_pseudo+0x10c/0x1fc
[  417.441662][T27858]  new_inode+0x38/0x174
[  417.442357][T27858]  debugfs_create_dir+0xec/0x3f4
[  417.443132][T27858]  nbd_start_device+0x3c8/0xb40
[  417.443936][T27858]  nbd_ioctl+0x514/0xc50
[  417.444638][T27858]  blkdev_ioctl+0x5f8/0xbb8
[  417.445362][T27858]  block_ioctl+0xa4/0x118
[  417.446055][T27858]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.446847][T27858]  invoke_syscall+0x98/0x2b8
[  417.447614][T27858]  el0_svc_common+0x138/0x258
[  417.448367][T27858]  do_el0_svc+0x58/0x14c
[  417.449071][T27858]  el0_svc+0x78/0x1e0
[  417.449760][T27858]  el0t_64_sync_handler+0xcc/0xe4
[  417.450549][T27858]  el0t_64_sync+0x1a0/0x1a4
[  417.452640][ T1643] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.454620][T27858] debugfs: out of free dentries, can not create directory 'nbd4'
[  417.456796][T27857] FAULT_INJECTION: forcing a failure.
[  417.456796][T27857] name failslab, interval 1, probability 0, space 0, times 0
[  417.458914][T27857] CPU: 0 PID: 27857 Comm: syz-executor114 Not tainted syzkaller #0
[  417.460134][T27857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.461819][T27857] Call trace:
[  417.462369][T27857]  dump_backtrace+0x0/0x43c
[  417.463092][T27857]  show_stack+0x2c/0x3c
[  417.463709][T27857]  __dump_stack+0x30/0x40
[  417.464339][T27857]  dump_stack_lvl+0xf8/0x160
[  417.465103][T27857]  dump_stack+0x1c/0x5c
[  417.465815][T27857]  should_fail+0x3c0/0x51c
[  417.466576][T27857]  __should_failslab+0xbc/0x10c
[  417.467402][T27857]  should_failslab+0x10/0x28
[  417.468119][T27857]  slab_pre_alloc_hook+0x64/0xec
[  417.468957][T27857]  kmem_cache_alloc+0x94/0x3e4
[  417.469669][T27857]  new_inode_pseudo+0x10c/0x1fc
[  417.470392][T27857]  new_inode+0x38/0x174
[  417.471063][T27857]  debugfs_create_dir+0xec/0x3f4
[  417.471811][T27857]  nbd_start_device+0x3c8/0xb40
[  417.472559][T27857]  nbd_ioctl+0x514/0xc50
[  417.473265][T27857]  blkdev_ioctl+0x5f8/0xbb8
[  417.474003][T27857]  block_ioctl+0xa4/0x118
[  417.474709][T27857]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.475478][T27857]  invoke_syscall+0x98/0x2b8
[  417.476215][T27857]  el0_svc_common+0x138/0x258
[  417.476904][T27857]  do_el0_svc+0x58/0x14c
[  417.477558][T27857]  el0_svc+0x78/0x1e0
[  417.478170][T27857]  el0t_64_sync_handler+0xcc/0xe4
[  417.478908][T27857]  el0t_64_sync+0x1a0/0x1a4
[  417.481952][T27858] block nbd4: Failed to create debugfs dir for 'nbd4'
[  417.489241][T27860] block nbd0: shutting down sockets
[  417.508254][T27862] block nbd3: shutting down sockets
[  417.513191][T27857] debugfs: out of free dentries, can not create directory 'nbd1'
[  417.514606][T27857] block nbd1: Failed to create debugfs dir for 'nbd1'
[  417.516832][T27860] FAULT_INJECTION: forcing a failure.
[  417.516832][T27860] name failslab, interval 1, probability 0, space 0, times 0
[  417.522992][T27860] CPU: 0 PID: 27860 Comm: syz-executor114 Not tainted syzkaller #0
[  417.524320][T27860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.526027][T27860] Call trace:
[  417.526555][T27860]  dump_backtrace+0x0/0x43c
[  417.527299][T27860]  show_stack+0x2c/0x3c
[  417.527997][T27860]  __dump_stack+0x30/0x40
[  417.528699][T27860]  dump_stack_lvl+0xf8/0x160
[  417.529444][T27860]  dump_stack+0x1c/0x5c
[  417.530080][T27860]  should_fail+0x3c0/0x51c
[  417.530804][T27860]  __should_failslab+0xbc/0x10c
[  417.531512][T27860]  should_failslab+0x10/0x28
[  417.532275][T27860]  slab_pre_alloc_hook+0x64/0xec
[  417.533066][T27860]  kmem_cache_alloc+0x94/0x3e4
[  417.533897][T27860]  new_inode_pseudo+0x10c/0x1fc
[  417.534639][T27860]  new_inode+0x38/0x174
[  417.535314][T27860]  debugfs_create_dir+0xec/0x3f4
[  417.536126][T27860]  nbd_start_device+0x3c8/0xb40
[  417.536909][T27860]  nbd_ioctl+0x514/0xc50
[  417.537575][T27860]  blkdev_ioctl+0x5f8/0xbb8
[  417.538288][T27860]  block_ioctl+0xa4/0x118
[  417.538969][T27860]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.539715][T27860]  invoke_syscall+0x98/0x2b8
[  417.540399][T27860]  el0_svc_common+0x138/0x258
[  417.541118][T27860]  do_el0_svc+0x58/0x14c
[  417.541779][T27860]  el0_svc+0x78/0x1e0
[  417.542378][T27860]  el0t_64_sync_handler+0xcc/0xe4
[  417.543134][T27860]  el0t_64_sync+0x1a0/0x1a4
[  417.549337][ T1643] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.568095][T27860] debugfs: out of free dentries, can not create directory 'nbd0'
[  417.569997][T27860] block nbd0: Failed to create debugfs dir for 'nbd0'
[  417.576725][T27867] block nbd2: shutting down sockets
[  417.579171][T27862] ------------[ cut here ]------------
[  417.580042][T27862] kernfs: can not remove 'nr_tags', no directory
[  417.581140][T27862] WARNING: CPU: 0 PID: 27862 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  417.582727][T27862] Modules linked in:
[  417.583343][T27862] CPU: 0 PID: 27862 Comm: syz-executor114 Not tainted syzkaller #0
[  417.584581][T27862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.586148][T27862] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  417.587523][T27862] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  417.588521][T27862] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  417.589468][T27862] sp : ffff80001fc37790
[  417.590090][T27862] x29: ffff80001fc37790 x28: ffff0000cc86a000 x27: 0000000000000000
[  417.591357][T27862] x26: 0000000000000002 x25: ffff800014919ea8 x24: 1ffff000022f8678
[  417.592675][T27862] x23: dfff800000000000 x22: ffff800014919ee0 x21: 0000000000000000
[  417.593989][T27862] x20: 0000000000000000 x19: ffff8000117c3420 x18: 0000000000000001
[  417.595354][T27862] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff
[  417.596389][T27867] FAULT_INJECTION: forcing a failure.
[  417.596389][T27867] name failslab, interval 1, probability 0, space 0, times 0
[  417.596656][T27862] x14: 0000000000ff0100 x13: 00000000009111e8 x12: 0000000000ff0100
[  417.598710][T27867] CPU: 1 PID: 27867 Comm: syz-executor114 Not tainted syzkaller #0
[  417.600050][T27862] x11: 0000000000000000 x10: 0000000000000000
[  417.601282][T27867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.602299][T27862]  x9 : 3679e362fea5eb00
[  417.603927][T27867] Call trace:
[  417.604626][T27862] x8 : 3679e362fea5eb00 x7 : 00000000009111e8 x6 : 00000000009111c0
[  417.605110][T27867]  dump_backtrace+0x0/0x43c
[  417.606515][T27862] 
[  417.607202][T27867]  show_stack+0x2c/0x3c
[  417.607602][T27862] x5 : ffff80001fc37078 x4 : ffff80001424eff8
[  417.608202][T27867]  __dump_stack+0x30/0x40
[  417.608212][T27862]  x3 : ffff80000850471c
[  417.609783][T27867]  dump_stack_lvl+0xf8/0x160
[  417.610462][T27862] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e
[  417.611129][T27867]  dump_stack+0x1c/0x5c
[  417.611139][T27862] 
[  417.612392][T27862] Call trace:
[  417.613021][T27867]  should_fail+0x3c0/0x51c
[  417.613388][T27862]  kernfs_remove_by_name_ns+0xcc/0x158
[  417.613870][T27867]  __should_failslab+0xbc/0x10c
[  417.614581][T27862]  sysfs_remove_group+0xf8/0x288
[  417.615364][T27867]  should_failslab+0x10/0x28
[  417.616134][T27862]  sysfs_remove_groups+0x5c/0xb4
[  417.616892][T27867]  slab_pre_alloc_hook+0x64/0xec
[  417.617649][T27862]  __kobject_del+0x90/0x2d4
[  417.618450][T27867]  kmem_cache_alloc+0x94/0x3e4
[  417.619223][T27862]  kobject_del+0x48/0x68
[  417.619978][T27867]  new_inode_pseudo+0x10c/0x1fc
[  417.620751][T27862]  blk_mq_sysfs_unregister+0x198/0x268
[  417.621431][T27867]  new_inode+0x38/0x174
[  417.622162][T27862]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  417.623076][T27867]  debugfs_create_dir+0xec/0x3f4
[  417.623735][T27862]  nbd_start_device+0x14c/0xb40
[  417.624585][T27867]  nbd_start_device+0x3c8/0xb40
[  417.625359][T27862]  nbd_ioctl+0x514/0xc50
[  417.626068][T27867]  nbd_ioctl+0x514/0xc50
[  417.626786][T27862]  blkdev_ioctl+0x5f8/0xbb8
[  417.627372][T27867]  blkdev_ioctl+0x5f8/0xbb8
[  417.628054][T27862]  block_ioctl+0xa4/0x118
[  417.628773][T27867]  block_ioctl+0xa4/0x118
[  417.629476][T27862]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.630180][T27867]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.630902][T27862]  invoke_syscall+0x98/0x2b8
[  417.631711][T27867]  invoke_syscall+0x98/0x2b8
[  417.632444][T27862]  el0_svc_common+0x138/0x258
[  417.633147][T27867]  el0_svc_common+0x138/0x258
[  417.633863][T27862]  do_el0_svc+0x58/0x14c
[  417.634615][T27867]  do_el0_svc+0x58/0x14c
[  417.635326][T27862]  el0_svc+0x78/0x1e0
[  417.636021][T27867]  el0_svc+0x78/0x1e0
[  417.636742][T27862]  el0t_64_sync_handler+0xcc/0xe4
[  417.637341][T27867]  el0t_64_sync_handler+0xcc/0xe4
[  417.637963][T27862]  el0t_64_sync+0x1a0/0x1a4
[  417.638728][T27867]  el0t_64_sync+0x1a0/0x1a4
[  417.639465][T27862] irq event stamp: 2126
[  417.641430][T27862] hardirqs last  enabled at (2125): [<ffff8000082f8fd0>] __up_console_sem+0xb4/0x100
[  417.642945][T27862] hardirqs last disabled at (2126): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  417.644312][T27862] softirqs last  enabled at (444): [<ffff800008031f6c>] local_bh_enable+0x10/0x34
[  417.645482][T27867] debugfs: out of free dentries, can not create directory 'nbd2'
[  417.645773][T27862] softirqs last disabled at (442): [<ffff800008031f38>] local_bh_disable+0x10/0x34
[  417.648489][T27862] ---[ end trace 8cf3970ef6976fcd ]---
[  417.652419][ T1643] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.667519][T27867] block nbd2: Failed to create debugfs dir for 'nbd2'
[  417.678109][T27862] ------------[ cut here ]------------
[  417.688580][T27862] kernfs: can not remove 'nr_reserved_tags', no directory
[  417.690170][T27862] WARNING: CPU: 0 PID: 27862 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  417.691794][T27862] Modules linked in:
[  417.692451][T27862] CPU: 0 PID: 27862 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.694000][T27862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.695539][T27862] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  417.696775][T27862] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  417.697721][T27862] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  417.698668][T27862] sp : ffff80001fc37790
[  417.699329][T27862] x29: ffff80001fc37790 x28: ffff0000cc86a000 x27: 0000000000000000
[  417.700692][T27862] x26: 0000000000000002 x25: ffff800014919eb0 x24: 1ffff000022f8678
[  417.702036][T27862] x23: dfff800000000000 x22: ffff800014919f40 x21: 0000000000000000
[  417.703405][T27862] x20: 0000000000000000 x19: ffff8000117c3460 x18: 0000000000000002
[  417.704639][T27862] x17: 0000000040000000 x16: ffff8000111c8944 x15: 0000000000000002
[  417.705827][T27862] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
[  417.707010][T27862] x11: 0000000000000000 x10: 0000000000000000 x9 : 3679e362fea5eb00
[  417.708160][T27862] x8 : 3679e362fea5eb00 x7 : 0000000000000000 x6 : 0000000000000000
[  417.709399][T27862] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
[  417.710654][T27862] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037
[  417.711922][T27862] Call trace:
[  417.712461][T27862]  kernfs_remove_by_name_ns+0xcc/0x158
[  417.713306][T27862]  sysfs_remove_group+0xf8/0x288
[  417.714170][T27862]  sysfs_remove_groups+0x5c/0xb4
[  417.714931][T27862]  __kobject_del+0x90/0x2d4
[  417.715632][T27862]  kobject_del+0x48/0x68
[  417.716309][T27862]  blk_mq_sysfs_unregister+0x198/0x268
[  417.717137][T27862]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  417.717992][T27862]  nbd_start_device+0x14c/0xb40
[  417.718721][T27862]  nbd_ioctl+0x514/0xc50
[  417.719418][T27862]  blkdev_ioctl+0x5f8/0xbb8
[  417.720169][T27862]  block_ioctl+0xa4/0x118
[  417.720947][T27862]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.721804][T27862]  invoke_syscall+0x98/0x2b8
[  417.722556][T27862]  el0_svc_common+0x138/0x258
[  417.723315][T27862]  do_el0_svc+0x58/0x14c
[  417.724024][T27862]  el0_svc+0x78/0x1e0
[  417.724632][T27862]  el0t_64_sync_handler+0xcc/0xe4
[  417.725424][T27862]  el0t_64_sync+0x1a0/0x1a4
[  417.726141][T27862] irq event stamp: 2318
[  417.726804][T27862] hardirqs last  enabled at (2317): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4
[  417.728348][T27862] hardirqs last disabled at (2318): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  417.729749][T27862] softirqs last  enabled at (2288): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0
[  417.731339][T27862] softirqs last disabled at (2129): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440
[  417.732874][T27862] ---[ end trace 8cf3970ef6976fce ]---
[  417.737555][T27862] ------------[ cut here ]------------
[  417.739053][T27872] block nbd4: shutting down sockets
[  417.749873][T27862] kernfs: can not remove 'cpu_list', no directory
[  417.751532][T27862] WARNING: CPU: 1 PID: 27862 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  417.753063][T27862] Modules linked in:
[  417.753663][T27862] CPU: 1 PID: 27862 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.755059][T27862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.756529][T27862] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  417.757664][T27862] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  417.758482][T27862] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  417.759344][T27862] sp : ffff80001fc37790
[  417.759952][T27862] x29: ffff80001fc37790 x28: ffff0000cc86a000 x27: 0000000000000000
[  417.761177][T27862] x26: 0000000000000002 x25: ffff800014919eb8 x24: 1ffff000022f8678
[  417.762361][T27862] x23: dfff800000000000 x22: ffff800014919fa0 x21: 0000000000000000
[  417.763470][T27862] x20: 0000000000000000 x19: ffff8000117c34a0 x18: 0000000000000002
[  417.764588][T27862] x17: 0000000040000000 x16: ffff8000111c8944 x15: 0000000000000002
[  417.765751][T27862] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
[  417.766901][T27862] x11: 0000000000000000 x10: 0000000000000000 x9 : 3679e362fea5eb00
[  417.768024][T27862] x8 : 3679e362fea5eb00 x7 : 0000000000000000 x6 : 0000000000000000
[  417.769112][T27862] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
[  417.770249][T27862] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f
[  417.771602][T27862] Call trace:
[  417.772163][T27862]  kernfs_remove_by_name_ns+0xcc/0x158
[  417.773051][T27862]  sysfs_remove_group+0xf8/0x288
[  417.773878][T27862]  sysfs_remove_groups+0x5c/0xb4
[  417.774698][T27862]  __kobject_del+0x90/0x2d4
[  417.775372][T27862]  kobject_del+0x48/0x68
[  417.776079][T27862]  blk_mq_sysfs_unregister+0x198/0x268
[  417.776976][T27862]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  417.777873][T27862]  nbd_start_device+0x14c/0xb40
[  417.778637][T27862]  nbd_ioctl+0x514/0xc50
[  417.779336][T27862]  blkdev_ioctl+0x5f8/0xbb8
[  417.780065][T27862]  block_ioctl+0xa4/0x118
[  417.780825][T27862]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.781564][T27862]  invoke_syscall+0x98/0x2b8
[  417.782262][T27862]  el0_svc_common+0x138/0x258
[  417.782986][T27862]  do_el0_svc+0x58/0x14c
[  417.783647][T27862]  el0_svc+0x78/0x1e0
[  417.784264][T27862]  el0t_64_sync_handler+0xcc/0xe4
[  417.785029][T27862]  el0t_64_sync+0x1a0/0x1a4
[  417.785705][T27862] irq event stamp: 2398
[  417.786344][T27862] hardirqs last  enabled at (2397): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4
[  417.787886][T27862] hardirqs last disabled at (2398): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  417.789231][T27862] softirqs last  enabled at (2368): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0
[  417.790872][T27862] softirqs last disabled at (2321): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440
[  417.792397][T27862] ---[ end trace 8cf3970ef6976fcf ]---
[  417.803009][ T1643] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  417.817836][T27862] FAULT_INJECTION: forcing a failure.
[  417.817836][T27862] name failslab, interval 1, probability 0, space 0, times 0
[  417.820247][T27862] CPU: 1 PID: 27862 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.821659][T27862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.823381][T27862] Call trace:
[  417.823933][T27862]  dump_backtrace+0x0/0x43c
[  417.824709][T27862]  show_stack+0x2c/0x3c
[  417.825410][T27862]  __dump_stack+0x30/0x40
[  417.826121][T27862]  dump_stack_lvl+0xf8/0x160
[  417.826843][T27862]  dump_stack+0x1c/0x5c
[  417.827489][T27862]  should_fail+0x3c0/0x51c
[  417.828155][T27862]  __should_failslab+0xbc/0x10c
[  417.828901][T27862]  should_failslab+0x10/0x28
[  417.829630][T27862]  slab_pre_alloc_hook+0x64/0xec
[  417.830354][T27862]  __kmalloc_node+0xb8/0x520
[  417.831034][T27862]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  417.831835][T27862]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  417.832679][T27862]  nbd_start_device+0x14c/0xb40
[  417.833352][T27862]  nbd_ioctl+0x514/0xc50
[  417.833974][T27862]  blkdev_ioctl+0x5f8/0xbb8
[  417.834626][T27862]  block_ioctl+0xa4/0x118
[  417.835230][T27862]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.835965][T27862]  invoke_syscall+0x98/0x2b8
[  417.836641][T27862]  el0_svc_common+0x138/0x258
[  417.837349][T27862]  do_el0_svc+0x58/0x14c
[  417.838002][T27862]  el0_svc+0x78/0x1e0
[  417.838566][T27862]  el0t_64_sync_handler+0xcc/0xe4
[  417.839371][T27862]  el0t_64_sync+0x1a0/0x1a4
[  417.843529][T27862] Increasing nr_hw_queues to 2 fails, fallback to 1
[  417.843563][T27883] FAULT_INJECTION: forcing a failure.
[  417.843563][T27883] name failslab, interval 1, probability 0, space 0, times 0
[  417.846881][T27883] CPU: 0 PID: 27883 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.848327][T27883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.849949][T27883] Call trace:
[  417.850487][T27883]  dump_backtrace+0x0/0x43c
[  417.851238][T27883]  show_stack+0x2c/0x3c
[  417.851896][T27883]  __dump_stack+0x30/0x40
[  417.852594][T27883]  dump_stack_lvl+0xf8/0x160
[  417.853351][T27883]  dump_stack+0x1c/0x5c
[  417.854037][T27883]  should_fail+0x3c0/0x51c
[  417.854757][T27883]  __should_failslab+0xbc/0x10c
[  417.855517][T27883]  should_failslab+0x10/0x28
[  417.856260][T27883]  slab_pre_alloc_hook+0x64/0xec
[  417.857051][T27883]  kmem_cache_alloc+0x94/0x3e4
[  417.857811][T27883]  new_inode_pseudo+0x10c/0x1fc
[  417.858605][T27883]  new_inode+0x38/0x174
[  417.859260][T27883]  debugfs_create_dir+0xec/0x3f4
[  417.860048][T27883]  nbd_start_device+0x3c8/0xb40
[  417.860857][T27883]  nbd_ioctl+0x514/0xc50
[  417.861578][T27883]  blkdev_ioctl+0x5f8/0xbb8
[  417.862323][T27883]  block_ioctl+0xa4/0x118
[  417.863062][T27883]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.863865][T27883]  invoke_syscall+0x98/0x2b8
[  417.864587][T27883]  el0_svc_common+0x138/0x258
[  417.865391][T27883]  do_el0_svc+0x58/0x14c
[  417.866115][T27883]  el0_svc+0x78/0x1e0
[  417.866767][T27883]  el0t_64_sync_handler+0xcc/0xe4
[  417.867584][T27883]  el0t_64_sync+0x1a0/0x1a4
[  417.879211][T27905] block nbd1: Device being setup by another task
[  417.880561][T27883] debugfs: out of free dentries, can not create directory 'nbd4'
[  417.881011][T27894] block nbd0: shutting down sockets
[  417.881831][T27883] block nbd4: Failed to create debugfs dir for 'nbd4'
[  417.895474][T27886] block nbd1: shutting down sockets
[  417.897397][T27895] block nbd2: shutting down sockets
[  417.909941][T27894] FAULT_INJECTION: forcing a failure.
[  417.909941][T27894] name failslab, interval 1, probability 0, space 0, times 0
[  417.912787][T27894] CPU: 1 PID: 27894 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.914302][T27894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.915927][T27894] Call trace:
[  417.916469][T27894]  dump_backtrace+0x0/0x43c
[  417.917173][T27894]  show_stack+0x2c/0x3c
[  417.917883][T27894]  __dump_stack+0x30/0x40
[  417.918587][T27894]  dump_stack_lvl+0xf8/0x160
[  417.919354][T27894]  dump_stack+0x1c/0x5c
[  417.920036][T27894]  should_fail+0x3c0/0x51c
[  417.920685][T27894]  __should_failslab+0xbc/0x10c
[  417.921434][T27894]  should_failslab+0x10/0x28
[  417.922189][T27894]  slab_pre_alloc_hook+0x64/0xec
[  417.922965][T27894]  kmem_cache_alloc+0x94/0x3e4
[  417.923767][T27894]  new_inode_pseudo+0x10c/0x1fc
[  417.924565][T27894]  new_inode+0x38/0x174
[  417.925232][T27894]  debugfs_create_dir+0xec/0x3f4
[  417.925968][T27894]  nbd_start_device+0x3c8/0xb40
[  417.926733][T27894]  nbd_ioctl+0x514/0xc50
[  417.927405][T27894]  blkdev_ioctl+0x5f8/0xbb8
[  417.928187][T27894]  block_ioctl+0xa4/0x118
[  417.928854][T27894]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.929630][T27894]  invoke_syscall+0x98/0x2b8
[  417.930316][T27894]  el0_svc_common+0x138/0x258
[  417.931047][T27894]  do_el0_svc+0x58/0x14c
[  417.931711][T27894]  el0_svc+0x78/0x1e0
[  417.932377][T27894]  el0t_64_sync_handler+0xcc/0xe4
[  417.933188][T27894]  el0t_64_sync+0x1a0/0x1a4
[  417.940737][T27894] debugfs: out of free dentries, can not create directory 'nbd0'
[  417.942011][T27895] FAULT_INJECTION: forcing a failure.
[  417.942011][T27895] name failslab, interval 1, probability 0, space 0, times 0
[  417.944116][T27895] CPU: 1 PID: 27895 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.945565][T27895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.947153][T27895] Call trace:
[  417.947678][T27895]  dump_backtrace+0x0/0x43c
[  417.948451][T27895]  show_stack+0x2c/0x3c
[  417.949120][T27895]  __dump_stack+0x30/0x40
[  417.949852][T27895]  dump_stack_lvl+0xf8/0x160
[  417.950294][T27894] block nbd0: Failed to create debugfs dir for 'nbd0'
[  417.950586][T27895]  dump_stack+0x1c/0x5c
[  417.952382][T27895]  should_fail+0x3c0/0x51c
[  417.953108][T27895]  __should_failslab+0xbc/0x10c
[  417.953849][T27895]  should_failslab+0x10/0x28
[  417.954586][T27895]  slab_pre_alloc_hook+0x64/0xec
[  417.955377][T27895]  kmem_cache_alloc+0x94/0x3e4
[  417.956096][T27895]  new_inode_pseudo+0x10c/0x1fc
[  417.956812][T27895]  new_inode+0x38/0x174
[  417.957421][T27895]  debugfs_create_dir+0xec/0x3f4
[  417.958207][T27895]  nbd_start_device+0x3c8/0xb40
[  417.959000][T27895]  nbd_ioctl+0x514/0xc50
[  417.959735][T27895]  blkdev_ioctl+0x5f8/0xbb8
[  417.959792][T27891] FAULT_INJECTION: forcing a failure.
[  417.959792][T27891] name failslab, interval 1, probability 0, space 0, times 0
[  417.960514][T27895]  block_ioctl+0xa4/0x118
[  417.963184][T27895]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.963963][T27895]  invoke_syscall+0x98/0x2b8
[  417.964699][T27895]  el0_svc_common+0x138/0x258
[  417.965523][T27895]  do_el0_svc+0x58/0x14c
[  417.966172][T27895]  el0_svc+0x78/0x1e0
[  417.966849][T27895]  el0t_64_sync_handler+0xcc/0xe4
[  417.967660][T27895]  el0t_64_sync+0x1a0/0x1a4
[  417.968451][T27891] CPU: 0 PID: 27891 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  417.969866][T27891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  417.971415][T27891] Call trace:
[  417.971847][T27891]  dump_backtrace+0x0/0x43c
[  417.972513][T27891]  show_stack+0x2c/0x3c
[  417.973243][T27891]  __dump_stack+0x30/0x40
[  417.973940][T27891]  dump_stack_lvl+0xf8/0x160
[  417.974671][T27891]  dump_stack+0x1c/0x5c
[  417.975368][T27891]  should_fail+0x3c0/0x51c
[  417.976106][T27891]  __should_failslab+0xbc/0x10c
[  417.976874][T27891]  should_failslab+0x10/0x28
[  417.977640][T27891]  slab_pre_alloc_hook+0x64/0xec
[  417.978467][T27891]  __kmalloc_track_caller+0x74/0x370
[  417.979304][T27891]  kstrdup+0xe4/0x15c
[  417.979969][T27891]  kstrdup_const+0x54/0x6c
[  417.980697][T27891]  __kernfs_new_node+0xa8/0x5d8
[  417.981470][T27891]  kernfs_new_node+0x11c/0x240
[  417.982257][T27891]  kernfs_create_dir_ns+0x58/0x12c
[  417.983052][T27891]  sysfs_create_dir_ns+0x114/0x24c
[  417.983825][T27891]  kobject_add_internal+0x590/0xc54
[  417.984606][T27891]  kobject_add+0x134/0x1f8
[  417.985328][T27891]  blk_mq_register_hctx+0xc0/0x35c
[  417.986112][T27891]  blk_mq_sysfs_register+0xb8/0x18c
[  417.986918][T27891]  blk_mq_update_nr_hw_queues+0x78c/0xbfc
[  417.987883][T27891]  nbd_start_device+0x14c/0xb40
[  417.988674][T27891]  nbd_ioctl+0x514/0xc50
[  417.989396][T27891]  blkdev_ioctl+0x5f8/0xbb8
[  417.990120][T27891]  block_ioctl+0xa4/0x118
[  417.990780][T27891]  __arm64_sys_ioctl+0x14c/0x1c8
[  417.991515][T27891]  invoke_syscall+0x98/0x2b8
[  417.992292][T27891]  el0_svc_common+0x138/0x258
[  417.993085][T27891]  do_el0_svc+0x58/0x14c
[  417.993758][T27891]  el0_svc+0x78/0x1e0
[  417.994380][T27891]  el0t_64_sync_handler+0xcc/0xe4
[  417.995419][T27891]  el0t_64_sync+0x1a0/0x1a4
[  417.995934][T27895] debugfs: out of free dentries, can not create directory 'nbd2'
[  417.998760][T27895] block nbd2: Failed to create debugfs dir for 'nbd2'
[  418.002841][T27891] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  418.037570][T27918] block nbd4: shutting down sockets
[  418.055290][T27914] FAULT_INJECTION: forcing a failure.
[  418.055290][T27914] name failslab, interval 1, probability 0, space 0, times 0
[  418.057916][T27914] CPU: 0 PID: 27914 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.059353][T27914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.059430][ T1643] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.061039][T27914] Call trace:
[  418.063278][T27914]  dump_backtrace+0x0/0x43c
[  418.064037][T27914]  show_stack+0x2c/0x3c
[  418.064726][T27914]  __dump_stack+0x30/0x40
[  418.065409][T27914]  dump_stack_lvl+0xf8/0x160
[  418.066174][T27914]  dump_stack+0x1c/0x5c
[  418.066846][T27914]  should_fail+0x3c0/0x51c
[  418.067601][T27914]  __should_failslab+0xbc/0x10c
[  418.068403][T27914]  should_failslab+0x10/0x28
[  418.069193][T27914]  slab_pre_alloc_hook+0x64/0xec
[  418.070040][T27914]  kmem_cache_alloc+0x94/0x3e4
[  418.070849][T27914]  new_inode_pseudo+0x10c/0x1fc
[  418.071639][T27914]  new_inode+0x38/0x174
[  418.072317][T27914]  debugfs_create_dir+0xec/0x3f4
[  418.073141][T27914]  nbd_start_device+0x3c8/0xb40
[  418.073920][T27914]  nbd_ioctl+0x514/0xc50
[  418.074561][T27914]  blkdev_ioctl+0x5f8/0xbb8
[  418.075305][T27914]  block_ioctl+0xa4/0x118
[  418.075964][T27914]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.076719][T27914]  invoke_syscall+0x98/0x2b8
[  418.077441][T27914]  el0_svc_common+0x138/0x258
[  418.078241][T27914]  do_el0_svc+0x58/0x14c
[  418.078892][T27914]  el0_svc+0x78/0x1e0
[  418.079504][T27914]  el0t_64_sync_handler+0xcc/0xe4
[  418.080311][T27914]  el0t_64_sync+0x1a0/0x1a4
[  418.082108][T27914] debugfs: out of free dentries, can not create directory 'nbd4'
[  418.083604][T27914] block nbd4: Failed to create debugfs dir for 'nbd4'
[  418.118167][T27924] block nbd0: shutting down sockets
[  418.128832][T27923] block nbd2: shutting down sockets
[  418.136723][T27928] block nbd1: shutting down sockets
[  418.138142][T27927] block nbd3: shutting down sockets
[  418.139981][T27923] FAULT_INJECTION: forcing a failure.
[  418.139981][T27923] name failslab, interval 1, probability 0, space 0, times 0
[  418.142226][T27923] CPU: 1 PID: 27923 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.143662][T27923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.145185][T27923] Call trace:
[  418.145681][T27923]  dump_backtrace+0x0/0x43c
[  418.146374][T27923]  show_stack+0x2c/0x3c
[  418.146994][T27923]  __dump_stack+0x30/0x40
[  418.147652][T27923]  dump_stack_lvl+0xf8/0x160
[  418.148352][T27923]  dump_stack+0x1c/0x5c
[  418.149060][T27923]  should_fail+0x3c0/0x51c
[  418.149744][T27923]  __should_failslab+0xbc/0x10c
[  418.150525][T27923]  should_failslab+0x10/0x28
[  418.151258][T27923]  slab_pre_alloc_hook+0x64/0xec
[  418.151968][T27923]  kmem_cache_alloc+0x94/0x3e4
[  418.152660][T27923]  __d_alloc+0x3c/0x65c
[  418.153250][T27923]  d_alloc_parallel+0x80/0x1104
[  418.153989][T27923]  __lookup_slow+0x104/0x380
[  418.154679][T27923]  lookup_one_len+0x178/0x28c
[  418.155419][T27923]  start_creating+0x19c/0x2e0
[  418.156099][T27923]  debugfs_create_dir+0x30/0x3f4
[  418.156905][T27923]  nbd_start_device+0x3c8/0xb40
[  418.157136][ T1643] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.157621][T27923]  nbd_ioctl+0x514/0xc50
[  418.159932][T27923]  blkdev_ioctl+0x5f8/0xbb8
[  418.160614][T27923]  block_ioctl+0xa4/0x118
[  418.161246][T27923]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.162056][T27923]  invoke_syscall+0x98/0x2b8
[  418.162814][T27923]  el0_svc_common+0x138/0x258
[  418.163503][T27923]  do_el0_svc+0x58/0x14c
[  418.164137][T27923]  el0_svc+0x78/0x1e0
[  418.164772][T27923]  el0t_64_sync_handler+0xcc/0xe4
[  418.165545][T27923]  el0t_64_sync+0x1a0/0x1a4
[  418.171489][T27923] block nbd2: Failed to create debugfs dir for 'nbd2'
[  418.173163][T27924] FAULT_INJECTION: forcing a failure.
[  418.173163][T27924] name failslab, interval 1, probability 0, space 0, times 0
[  418.175374][T27924] CPU: 0 PID: 27924 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.176734][T27924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.178343][T27924] Call trace:
[  418.178865][T27924]  dump_backtrace+0x0/0x43c
[  418.179556][T27924]  show_stack+0x2c/0x3c
[  418.180281][T27924]  __dump_stack+0x30/0x40
[  418.181012][T27924]  dump_stack_lvl+0xf8/0x160
[  418.181738][T27924]  dump_stack+0x1c/0x5c
[  418.182404][T27924]  should_fail+0x3c0/0x51c
[  418.183133][T27924]  __should_failslab+0xbc/0x10c
[  418.183935][T27924]  should_failslab+0x10/0x28
[  418.184682][T27924]  slab_pre_alloc_hook+0x64/0xec
[  418.185450][T27924]  kmem_cache_alloc+0x94/0x3e4
[  418.186239][T27924]  new_inode_pseudo+0x10c/0x1fc
[  418.186976][T27924]  new_inode+0x38/0x174
[  418.187667][T27924]  debugfs_create_dir+0xec/0x3f4
[  418.188482][T27924]  nbd_start_device+0x3c8/0xb40
[  418.189286][T27924]  nbd_ioctl+0x514/0xc50
[  418.189994][T27924]  blkdev_ioctl+0x5f8/0xbb8
[  418.190722][T27924]  block_ioctl+0xa4/0x118
[  418.191401][T27924]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.192136][T27924]  invoke_syscall+0x98/0x2b8
[  418.192819][T27924]  el0_svc_common+0x138/0x258
[  418.193521][T27924]  do_el0_svc+0x58/0x14c
[  418.194221][T27924]  el0_svc+0x78/0x1e0
[  418.194838][T27924]  el0t_64_sync_handler+0xcc/0xe4
[  418.195594][T27924]  el0t_64_sync+0x1a0/0x1a4
[  418.201005][T27928] ------------[ cut here ]------------
[  418.201903][T27928] kernfs: can not remove 'nr_tags', no directory
[  418.202996][T27928] WARNING: CPU: 0 PID: 27928 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  418.204499][T27928] Modules linked in:
[  418.205121][T27928] CPU: 0 PID: 27928 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.206474][T27928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.208005][T27928] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  418.209192][T27928] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  418.210134][T27928] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  418.211122][T27928] sp : ffff800020347790
[  418.211813][T27928] x29: ffff800020347790 x28: ffff0000cc370000 x27: 0000000000000000
[  418.213043][T27928] x26: 0000000000000002 x25: ffff800014919ea8 x24: 1ffff000022f8678
[  418.214266][T27928] x23: dfff800000000000 x22: ffff800014919ee0 x21: 0000000000000000
[  418.215614][T27928] x20: 0000000000000000 x19: ffff8000117c3420 x18: 0000000000000001
[  418.216935][T27928] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff
[  418.218195][T27928] x14: 0000000000ff0100 x13: 0000000000915f60 x12: 0000000000ff0100
[  418.219438][T27928] x11: 0000000000000000 x10: 0000000000000000 x9 : 4bad5f9edd8c3000
[  418.220670][T27928] x8 : 4bad5f9edd8c3000 x7 : 0000000000915f60 x6 : 0000000000915f38
[  418.221872][T27928] x5 : ffff800020347078 x4 : ffff800014251818 x3 : ffff80000850471c
[  418.223055][T27928] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e
[  418.224202][T27928] Call trace:
[  418.224722][T27928]  kernfs_remove_by_name_ns+0xcc/0x158
[  418.225623][T27928]  sysfs_remove_group+0xf8/0x288
[  418.226501][T27928]  sysfs_remove_groups+0x5c/0xb4
[  418.227288][T27928]  __kobject_del+0x90/0x2d4
[  418.228014][T27928]  kobject_del+0x48/0x68
[  418.228795][T27928]  blk_mq_sysfs_unregister+0x198/0x268
[  418.229729][T27928]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  418.230673][T27928]  nbd_start_device+0x14c/0xb40
[  418.231455][T27928]  nbd_ioctl+0x514/0xc50
[  418.232130][T27928]  blkdev_ioctl+0x5f8/0xbb8
[  418.232898][T27928]  block_ioctl+0xa4/0x118
[  418.233632][T27928]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.234481][T27928]  invoke_syscall+0x98/0x2b8
[  418.235236][T27928]  el0_svc_common+0x138/0x258
[  418.236085][T27928]  do_el0_svc+0x58/0x14c
[  418.236833][T27928]  el0_svc+0x78/0x1e0
[  418.237503][T27928]  el0t_64_sync_handler+0xcc/0xe4
[  418.238285][T27928]  el0t_64_sync+0x1a0/0x1a4
[  418.239004][T27928] irq event stamp: 2164
[  418.239703][T27928] hardirqs last  enabled at (2163): [<ffff8000082f8fd0>] __up_console_sem+0xb4/0x100
[  418.241227][T27928] hardirqs last disabled at (2164): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  418.242682][T27928] softirqs last  enabled at (494): [<ffff800008031f6c>] local_bh_enable+0x10/0x34
[  418.244115][T27928] softirqs last disabled at (492): [<ffff800008031f38>] local_bh_disable+0x10/0x34
[  418.245595][T27928] ---[ end trace 8cf3970ef6976fd0 ]---
[  418.261272][ T1643] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.267643][T27924] debugfs: out of free dentries, can not create directory 'nbd0'
[  418.269034][T27931] FAULT_INJECTION: forcing a failure.
[  418.269034][T27931] name failslab, interval 1, probability 0, space 0, times 0
[  418.270760][T27931] CPU: 1 PID: 27931 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.272259][T27931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.273961][T27931] Call trace:
[  418.274467][T27931]  dump_backtrace+0x0/0x43c
[  418.275199][T27931]  show_stack+0x2c/0x3c
[  418.275901][T27931]  __dump_stack+0x30/0x40
[  418.276636][T27931]  dump_stack_lvl+0xf8/0x160
[  418.277343][T27931]  dump_stack+0x1c/0x5c
[  418.277986][T27931]  should_fail+0x3c0/0x51c
[  418.278741][T27931]  __should_failslab+0xbc/0x10c
[  418.279587][T27931]  should_failslab+0x10/0x28
[  418.280277][T27931]  slab_pre_alloc_hook+0x64/0xec
[  418.281074][T27931]  kmem_cache_alloc+0x94/0x3e4
[  418.281830][T27931]  new_inode_pseudo+0x10c/0x1fc
[  418.282543][T27931]  new_inode+0x38/0x174
[  418.283213][T27931]  debugfs_create_dir+0xec/0x3f4
[  418.284010][T27931]  nbd_start_device+0x3c8/0xb40
[  418.284028][T27927] FAULT_INJECTION: forcing a failure.
[  418.284028][T27927] name failslab, interval 1, probability 0, space 0, times 0
[  418.284794][T27931]  nbd_ioctl+0x514/0xc50
[  418.287550][T27931]  blkdev_ioctl+0x5f8/0xbb8
[  418.288231][T27931]  block_ioctl+0xa4/0x118
[  418.288867][T27931]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.289564][T27931]  invoke_syscall+0x98/0x2b8
[  418.290246][T27931]  el0_svc_common+0x138/0x258
[  418.290989][T27931]  do_el0_svc+0x58/0x14c
[  418.291538][T27931]  el0_svc+0x78/0x1e0
[  418.292087][T27931]  el0t_64_sync_handler+0xcc/0xe4
[  418.292821][T27931]  el0t_64_sync+0x1a0/0x1a4
[  418.293842][T27927] CPU: 0 PID: 27927 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.295305][T27927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.296773][T27927] Call trace:
[  418.297265][T27927]  dump_backtrace+0x0/0x43c
[  418.297892][T27927]  show_stack+0x2c/0x3c
[  418.298569][T27927]  __dump_stack+0x30/0x40
[  418.299282][T27927]  dump_stack_lvl+0xf8/0x160
[  418.300068][T27927]  dump_stack+0x1c/0x5c
[  418.300756][T27927]  should_fail+0x3c0/0x51c
[  418.301536][T27927]  __should_failslab+0xbc/0x10c
[  418.302357][T27927]  should_failslab+0x10/0x28
[  418.303114][T27927]  slab_pre_alloc_hook+0x64/0xec
[  418.303944][T27927]  __kmalloc_node+0xb8/0x520
[  418.304684][T27927]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  418.305536][T27927]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  418.306387][T27927]  nbd_start_device+0x14c/0xb40
[  418.307131][T27927]  nbd_ioctl+0x514/0xc50
[  418.307831][T27927]  blkdev_ioctl+0x5f8/0xbb8
[  418.308562][T27927]  block_ioctl+0xa4/0x118
[  418.309311][T27927]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.309335][T27924] block nbd0: Failed to create debugfs dir for 'nbd0'
[  418.310156][T27927]  invoke_syscall+0x98/0x2b8
[  418.311959][T27927]  el0_svc_common+0x138/0x258
[  418.312756][T27927]  do_el0_svc+0x58/0x14c
[  418.313402][T27927]  el0_svc+0x78/0x1e0
[  418.314017][T27927]  el0t_64_sync_handler+0xcc/0xe4
[  418.314814][T27927]  el0t_64_sync+0x1a0/0x1a4
[  418.320039][T27931] debugfs: out of free dentries, can not create directory 'nbd4'
[  418.321417][T27931] block nbd4: Failed to create debugfs dir for 'nbd4'
[  418.325039][T27927] Increasing nr_hw_queues to 2 fails, fallback to 1
[  418.331262][T27928] ------------[ cut here ]------------
[  418.332596][T27928] kernfs: can not remove 'nr_reserved_tags', no directory
[  418.334263][T27928] WARNING: CPU: 0 PID: 27928 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  418.335770][T27928] Modules linked in:
[  418.336406][T27928] CPU: 0 PID: 27928 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.337952][T27928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.339618][T27928] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  418.340901][T27940] block nbd4: shutting down sockets
[  418.340910][T27928] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  418.342786][T27928] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  418.343870][T27928] sp : ffff800020347790
[  418.344522][T27928] x29: ffff800020347790 x28: ffff0000cc370000 x27: 0000000000000000
[  418.345892][T27928] x26: 0000000000000002 x25: ffff800014919eb0 x24: 1ffff000022f8678
[  418.347231][T27928] x23: dfff800000000000 x22: ffff800014919f40 x21: 0000000000000000
[  418.348530][T27928] x20: 0000000000000000 x19: ffff8000117c3460 x18: 0000000000000002
[  418.349743][T27928] x17: 0000000040000000 x16: ffff8000111c8944 x15: 0000000000000002
[  418.351151][T27928] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
[  418.352433][T27928] x11: 0000000000000000 x10: 0000000000000000 x9 : 4bad5f9edd8c3000
[  418.353827][T27928] x8 : 4bad5f9edd8c3000 x7 : 0000000000000000 x6 : 0000000000000000
[  418.355136][T27928] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
[  418.356371][T27928] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037
[  418.357718][T27928] Call trace:
[  418.358313][T27928]  kernfs_remove_by_name_ns+0xcc/0x158
[  418.359116][T27928]  sysfs_remove_group+0xf8/0x288
[  418.360000][T27928]  sysfs_remove_groups+0x5c/0xb4
[  418.360835][T27928]  __kobject_del+0x90/0x2d4
[  418.361634][T27928]  kobject_del+0x48/0x68
[  418.362384][T27928]  blk_mq_sysfs_unregister+0x198/0x268
[  418.363287][T27928]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  418.364197][T27928]  nbd_start_device+0x14c/0xb40
[  418.364960][T27928]  nbd_ioctl+0x514/0xc50
[  418.365623][T27928]  blkdev_ioctl+0x5f8/0xbb8
[  418.366368][T27928]  block_ioctl+0xa4/0x118
[  418.367041][T27928]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.367818][T27928]  invoke_syscall+0x98/0x2b8
[  418.368558][T27928]  el0_svc_common+0x138/0x258
[  418.369442][T27928]  do_el0_svc+0x58/0x14c
[  418.370135][T27928]  el0_svc+0x78/0x1e0
[  418.370800][T27928]  el0t_64_sync_handler+0xcc/0xe4
[  418.371618][T27928]  el0t_64_sync+0x1a0/0x1a4
[  418.372394][T27928] irq event stamp: 2222
[  418.373103][T27928] hardirqs last  enabled at (2221): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4
[  418.374685][T27928] hardirqs last disabled at (2222): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  418.376070][T27928] softirqs last  enabled at (2192): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0
[  418.377672][T27928] softirqs last disabled at (2167): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440
[  418.379260][T27928] ---[ end trace 8cf3970ef6976fd1 ]---
[  418.384377][ T1643] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.391334][T27928] ------------[ cut here ]------------
[  418.392454][T27928] kernfs: can not remove 'cpu_list', no directory
[  418.393720][T27928] WARNING: CPU: 0 PID: 27928 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  418.395274][T27928] Modules linked in:
[  418.395897][T27928] CPU: 0 PID: 27928 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.397434][T27928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.399110][T27928] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  418.400459][T27928] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  418.401405][T27928] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  418.402359][T27928] sp : ffff800020347790
[  418.403000][T27928] x29: ffff800020347790 x28: ffff0000cc370000 x27: 0000000000000000
[  418.404280][T27928] x26: 0000000000000002 x25: ffff800014919eb8 x24: 1ffff000022f8678
[  418.405573][T27928] x23: dfff800000000000 x22: ffff800014919fa0 x21: 0000000000000000
[  418.406900][T27928] x20: 0000000000000000 x19: ffff8000117c34a0 x18: 0000000000000002
[  418.408231][T27928] x17: 0000000040000000 x16: ffff8000111c8944 x15: 0000000000000002
[  418.409572][T27928] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
[  418.410877][T27928] x11: 0000000000000000 x10: 0000000000000000 x9 : 4bad5f9edd8c3000
[  418.412231][T27928] x8 : 4bad5f9edd8c3000 x7 : 0000000000000000 x6 : 0000000000000000
[  418.413640][T27928] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
[  418.415022][T27928] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f
[  418.416322][T27928] Call trace:
[  418.416857][T27928]  kernfs_remove_by_name_ns+0xcc/0x158
[  418.417682][T27928]  sysfs_remove_group+0xf8/0x288
[  418.418391][T27928]  sysfs_remove_groups+0x5c/0xb4
[  418.419134][T27928]  __kobject_del+0x90/0x2d4
[  418.419807][T27928]  kobject_del+0x48/0x68
[  418.420497][T27928]  blk_mq_sysfs_unregister+0x198/0x268
[  418.421363][T27928]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  418.422254][T27928]  nbd_start_device+0x14c/0xb40
[  418.423037][T27928]  nbd_ioctl+0x514/0xc50
[  418.423696][T27928]  blkdev_ioctl+0x5f8/0xbb8
[  418.424406][T27928]  block_ioctl+0xa4/0x118
[  418.425106][T27928]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.425885][T27928]  invoke_syscall+0x98/0x2b8
[  418.426584][T27928]  el0_svc_common+0x138/0x258
[  418.427344][T27928]  do_el0_svc+0x58/0x14c
[  418.427994][T27928]  el0_svc+0x78/0x1e0
[  418.428697][T27928]  el0t_64_sync_handler+0xcc/0xe4
[  418.429522][T27928]  el0t_64_sync+0x1a0/0x1a4
[  418.430257][T27928] irq event stamp: 2326
[  418.430901][T27928] hardirqs last  enabled at (2325): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4
[  418.432468][T27928] hardirqs last disabled at (2326): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  418.433750][T27928] softirqs last  enabled at (2272): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0
[  418.435308][T27928] softirqs last disabled at (2225): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440
[  418.436925][T27928] ---[ end trace 8cf3970ef6976fd2 ]---
[  418.438924][T27928] FAULT_INJECTION: forcing a failure.
[  418.438924][T27928] name failslab, interval 1, probability 0, space 0, times 0
[  418.441263][T27928] CPU: 0 PID: 27928 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.442758][T27928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.444381][T27928] Call trace:
[  418.444981][T27928]  dump_backtrace+0x0/0x43c
[  418.445734][T27928]  show_stack+0x2c/0x3c
[  418.446394][T27928]  __dump_stack+0x30/0x40
[  418.447071][T27928]  dump_stack_lvl+0xf8/0x160
[  418.447834][T27928]  dump_stack+0x1c/0x5c
[  418.448529][T27928]  should_fail+0x3c0/0x51c
[  418.448874][T27948] block nbd2: Device being setup by another task
[  418.449299][T27928]  __should_failslab+0xbc/0x10c
[  418.450946][T27939] block nbd2: shutting down sockets
[  418.451195][T27928]  should_failslab+0x10/0x28
[  418.452812][T27928]  slab_pre_alloc_hook+0x64/0xec
[  418.453671][T27928]  __kmalloc_node+0xb8/0x520
[  418.454393][T27928]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  418.455271][T27928]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  418.456160][T27928]  nbd_start_device+0x14c/0xb40
[  418.457015][T27928]  nbd_ioctl+0x514/0xc50
[  418.457746][T27928]  blkdev_ioctl+0x5f8/0xbb8
[  418.458529][T27928]  block_ioctl+0xa4/0x118
[  418.459243][T27928]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.459999][T27928]  invoke_syscall+0x98/0x2b8
[  418.460704][T27928]  el0_svc_common+0x138/0x258
[  418.461519][T27928]  do_el0_svc+0x58/0x14c
[  418.462175][T27928]  el0_svc+0x78/0x1e0
[  418.462772][T27928]  el0t_64_sync_handler+0xcc/0xe4
[  418.463529][T27928]  el0t_64_sync+0x1a0/0x1a4
[  418.465506][T27928] Increasing nr_hw_queues to 2 fails, fallback to 1
[  418.488955][T27942] FAULT_INJECTION: forcing a failure.
[  418.488955][T27942] name failslab, interval 1, probability 0, space 0, times 0
[  418.491177][T27942] CPU: 1 PID: 27942 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.492661][T27942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.494145][T27942] Call trace:
[  418.494626][T27942]  dump_backtrace+0x0/0x43c
[  418.495295][T27942]  show_stack+0x2c/0x3c
[  418.495871][T27942]  __dump_stack+0x30/0x40
[  418.496531][T27942]  dump_stack_lvl+0xf8/0x160
[  418.497168][T27942]  dump_stack+0x1c/0x5c
[  418.497753][T27942]  should_fail+0x3c0/0x51c
[  418.498414][T27942]  __should_failslab+0xbc/0x10c
[  418.499160][T27942]  should_failslab+0x10/0x28
[  418.499921][T27942]  slab_pre_alloc_hook+0x64/0xec
[  418.500741][T27942]  __kmalloc_track_caller+0x74/0x370
[  418.501567][T27942]  kstrdup+0xe4/0x15c
[  418.502178][T27942]  kstrdup_const+0x54/0x6c
[  418.502860][T27942]  __kernfs_new_node+0xa8/0x5d8
[  418.503654][T27942]  kernfs_new_node+0x11c/0x240
[  418.504464][T27942]  kernfs_create_dir_ns+0x58/0x12c
[  418.505306][T27942]  sysfs_create_dir_ns+0x114/0x24c
[  418.506406][T27942]  kobject_add_internal+0x590/0xc54
[  418.507294][T27942]  kobject_add+0x134/0x1f8
[  418.508015][T27942]  blk_mq_register_hctx+0xc0/0x35c
[  418.508872][T27942]  blk_mq_sysfs_register+0xb8/0x18c
[  418.509736][T27942]  blk_mq_update_nr_hw_queues+0x78c/0xbfc
[  418.510771][T27942]  nbd_start_device+0x14c/0xb40
[  418.511497][T27942]  nbd_ioctl+0x514/0xc50
[  418.512168][T27942]  blkdev_ioctl+0x5f8/0xbb8
[  418.512931][T27942]  block_ioctl+0xa4/0x118
[  418.513684][T27942]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.514512][T27942]  invoke_syscall+0x98/0x2b8
[  418.515225][T27942]  el0_svc_common+0x138/0x258
[  418.516008][T27942]  do_el0_svc+0x58/0x14c
[  418.516721][T27942]  el0_svc+0x78/0x1e0
[  418.517366][T27942]  el0t_64_sync_handler+0xcc/0xe4
[  418.518182][T27942]  el0t_64_sync+0x1a0/0x1a4
[  418.533815][T27942] kobject_add_internal failed for 0 (error: -12 parent: mq)
[  418.558835][T27972] block nbd0: shutting down sockets
[  418.559877][T27966] block nbd3: shutting down sockets
[  418.584320][ T1643] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.589356][T27965] block nbd4: shutting down sockets
[  418.596627][T27961] FAULT_INJECTION: forcing a failure.
[  418.596627][T27961] name failslab, interval 1, probability 0, space 0, times 0
[  418.597269][T27970] block nbd1: shutting down sockets
[  418.612776][T27961] CPU: 1 PID: 27961 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.614156][T27961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.615593][T27961] Call trace:
[  418.616094][T27961]  dump_backtrace+0x0/0x43c
[  418.616774][T27961]  show_stack+0x2c/0x3c
[  418.617472][T27961]  __dump_stack+0x30/0x40
[  418.618210][T27961]  dump_stack_lvl+0xf8/0x160
[  418.618940][T27961]  dump_stack+0x1c/0x5c
[  418.619688][T27961]  should_fail+0x3c0/0x51c
[  418.620465][T27961]  __should_failslab+0xbc/0x10c
[  418.621197][T27961]  should_failslab+0x10/0x28
[  418.621867][T27961]  slab_pre_alloc_hook+0x64/0xec
[  418.622565][T27961]  kmem_cache_alloc+0x94/0x3e4
[  418.623349][T27961]  new_inode_pseudo+0x10c/0x1fc
[  418.624130][T27961]  new_inode+0x38/0x174
[  418.624801][T27961]  debugfs_create_dir+0xec/0x3f4
[  418.625506][T27961]  nbd_start_device+0x3c8/0xb40
[  418.626238][T27961]  nbd_ioctl+0x514/0xc50
[  418.626839][T27961]  blkdev_ioctl+0x5f8/0xbb8
[  418.627517][T27961]  block_ioctl+0xa4/0x118
[  418.628146][T27961]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.628852][T27961]  invoke_syscall+0x98/0x2b8
[  418.629509][T27961]  el0_svc_common+0x138/0x258
[  418.630299][T27961]  do_el0_svc+0x58/0x14c
[  418.630989][T27961]  el0_svc+0x78/0x1e0
[  418.631577][T27961]  el0t_64_sync_handler+0xcc/0xe4
[  418.632313][T27961]  el0t_64_sync+0x1a0/0x1a4
[  418.644599][T27957] FAULT_INJECTION: forcing a failure.
[  418.644599][T27957] name failslab, interval 1, probability 0, space 0, times 0
[  418.651917][ T1643] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.654109][T27970] FAULT_INJECTION: forcing a failure.
[  418.654109][T27970] name failslab, interval 1, probability 0, space 0, times 0
[  418.655413][T27957] CPU: 1 PID: 27957 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.657502][T27957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.658940][T27957] Call trace:
[  418.659421][T27957]  dump_backtrace+0x0/0x43c
[  418.660105][T27957]  show_stack+0x2c/0x3c
[  418.660767][T27957]  __dump_stack+0x30/0x40
[  418.661499][T27957]  dump_stack_lvl+0xf8/0x160
[  418.662229][T27957]  dump_stack+0x1c/0x5c
[  418.662900][T27957]  should_fail+0x3c0/0x51c
[  418.663620][T27957]  __should_failslab+0xbc/0x10c
[  418.664432][T27957]  should_failslab+0x10/0x28
[  418.665140][T27957]  slab_pre_alloc_hook+0x64/0xec
[  418.666007][T27957]  __kmalloc_node+0xb8/0x520
[  418.666767][T27957]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  418.667586][T27957]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  418.668584][T27957]  nbd_start_device+0x14c/0xb40
[  418.669372][T27957]  nbd_ioctl+0x514/0xc50
[  418.670091][T27957]  blkdev_ioctl+0x5f8/0xbb8
[  418.670824][T27957]  block_ioctl+0xa4/0x118
[  418.671444][T27957]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.672163][T27957]  invoke_syscall+0x98/0x2b8
[  418.672848][T27957]  el0_svc_common+0x138/0x258
[  418.673537][T27957]  do_el0_svc+0x58/0x14c
[  418.674107][T27957]  el0_svc+0x78/0x1e0
[  418.674681][T27957]  el0t_64_sync_handler+0xcc/0xe4
[  418.675397][T27957]  el0t_64_sync+0x1a0/0x1a4
[  418.676301][T27970] CPU: 0 PID: 27970 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.677828][T27970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.679454][T27970] Call trace:
[  418.679976][T27970]  dump_backtrace+0x0/0x43c
[  418.680729][T27970]  show_stack+0x2c/0x3c
[  418.681523][T27970]  __dump_stack+0x30/0x40
[  418.682242][T27970]  dump_stack_lvl+0xf8/0x160
[  418.683038][T27970]  dump_stack+0x1c/0x5c
[  418.683728][T27970]  should_fail+0x3c0/0x51c
[  418.684490][T27970]  __should_failslab+0xbc/0x10c
[  418.685276][T27970]  should_failslab+0x10/0x28
[  418.686054][T27970]  slab_pre_alloc_hook+0x64/0xec
[  418.686870][T27970]  __kmalloc_node+0xb8/0x520
[  418.687595][T27970]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  418.688582][T27970]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  418.689504][T27970]  nbd_start_device+0x14c/0xb40
[  418.690281][T27970]  nbd_ioctl+0x514/0xc50
[  418.691048][T27970]  blkdev_ioctl+0x5f8/0xbb8
[  418.691879][T27970]  block_ioctl+0xa4/0x118
[  418.692579][T27970]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.693385][T27970]  invoke_syscall+0x98/0x2b8
[  418.694125][T27970]  el0_svc_common+0x138/0x258
[  418.694871][T27970]  do_el0_svc+0x58/0x14c
[  418.695514][T27970]  el0_svc+0x78/0x1e0
[  418.696074][T27970]  el0t_64_sync_handler+0xcc/0xe4
[  418.696843][T27970]  el0t_64_sync+0x1a0/0x1a4
[  418.700122][T27961] debugfs: out of free dentries, can not create directory 'nbd0'
[  418.702005][T27973] FAULT_INJECTION: forcing a failure.
[  418.702005][T27973] name failslab, interval 1, probability 0, space 0, times 0
[  418.704363][T27973] CPU: 1 PID: 27973 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.705857][T27973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.707462][T27973] Call trace:
[  418.708015][T27973]  dump_backtrace+0x0/0x43c
[  418.708695][T27973]  show_stack+0x2c/0x3c
[  418.709415][T27973]  __dump_stack+0x30/0x40
[  418.710127][T27973]  dump_stack_lvl+0xf8/0x160
[  418.710852][T27973]  dump_stack+0x1c/0x5c
[  418.711467][T27973]  should_fail+0x3c0/0x51c
[  418.712129][T27973]  __should_failslab+0xbc/0x10c
[  418.712904][T27973]  should_failslab+0x10/0x28
[  418.713560][T27973]  slab_pre_alloc_hook+0x64/0xec
[  418.714276][T27973]  kmem_cache_alloc+0x94/0x3e4
[  418.715055][T27973]  new_inode_pseudo+0x10c/0x1fc
[  418.715839][T27973]  new_inode+0x38/0x174
[  418.716514][T27973]  debugfs_create_dir+0xec/0x3f4
[  418.717339][T27973]  nbd_start_device+0x3c8/0xb40
[  418.718130][T27973]  nbd_ioctl+0x514/0xc50
[  418.718792][T27973]  blkdev_ioctl+0x5f8/0xbb8
[  418.719520][T27973]  block_ioctl+0xa4/0x118
[  418.720213][T27973]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.720995][T27973]  invoke_syscall+0x98/0x2b8
[  418.721687][T27973]  el0_svc_common+0x138/0x258
[  418.722323][T27973]  do_el0_svc+0x58/0x14c
[  418.722965][T27973]  el0_svc+0x78/0x1e0
[  418.723149][T27970] Increasing nr_hw_queues to 2 fails, fallback to 1
[  418.723560][T27973]  el0t_64_sync_handler+0xcc/0xe4
[  418.725384][T27973]  el0t_64_sync+0x1a0/0x1a4
[  418.732298][ T1643] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.735114][T27961] block nbd0: Failed to create debugfs dir for 'nbd0'
[  418.736616][T27957] Increasing nr_hw_queues to 2 fails, fallback to 1
[  418.759329][T27973] debugfs: out of free dentries, can not create directory 'nbd4'
[  418.760898][T27973] block nbd4: Failed to create debugfs dir for 'nbd4'
[  418.770447][ T1643] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.817657][T27989] block nbd2: shutting down sockets
[  418.842937][T27989] ------------[ cut here ]------------
[  418.843839][T27989] kernfs: can not remove 'nr_tags', no directory
[  418.844880][T27989] WARNING: CPU: 1 PID: 27989 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  418.846280][T27989] Modules linked in:
[  418.846919][T27989] CPU: 1 PID: 27989 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.848409][T27989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.849970][T27989] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  418.851211][T27989] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  418.852182][T27989] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  418.853134][T27989] sp : ffff800020567790
[  418.853797][T27989] x29: ffff800020567790 x28: ffff0000cc375000 x27: 0000000000000000
[  418.855198][T27989] x26: 0000000000000002 x25: ffff800014919ea8 x24: 1ffff000022f8678
[  418.856401][T27989] x23: dfff800000000000 x22: ffff800014919ee0 x21: 0000000000000000
[  418.857720][T27989] x20: 0000000000000000 x19: ffff8000117c3420 x18: 0000000000000001
[  418.858913][T27989] x17: 0000000000000000 x16: ffff8000111c8944 x15: 00000000ffffffff
[  418.860097][T27989] x14: 0000000000ff0100 x13: 000000000091a5a0 x12: 0000000000ff0100
[  418.861296][T27989] x11: 0000000000000000 x10: 0000000000000000 x9 : c967e6ac99905c00
[  418.862504][T27989] x8 : c967e6ac99905c00 x7 : 000000000091a5a0 x6 : 000000000091a578
[  418.863892][T27989] x5 : ffff800020567078 x4 : ffff800014253ca8 x3 : ffff80000850471c
[  418.865278][T27989] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002e
[  418.866633][T27989] Call trace:
[  418.867133][T27989]  kernfs_remove_by_name_ns+0xcc/0x158
[  418.867897][T27989]  sysfs_remove_group+0xf8/0x288
[  418.868638][T27989]  sysfs_remove_groups+0x5c/0xb4
[  418.869381][T27989]  __kobject_del+0x90/0x2d4
[  418.870052][T27989]  kobject_del+0x48/0x68
[  418.870722][T27989]  blk_mq_sysfs_unregister+0x198/0x268
[  418.871517][T27989]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  418.872400][T27989]  nbd_start_device+0x14c/0xb40
[  418.873155][T27989]  nbd_ioctl+0x514/0xc50
[  418.873836][T27989]  blkdev_ioctl+0x5f8/0xbb8
[  418.874496][T27989]  block_ioctl+0xa4/0x118
[  418.875242][T27989]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.875946][T27989]  invoke_syscall+0x98/0x2b8
[  418.876674][T27989]  el0_svc_common+0x138/0x258
[  418.877460][T27989]  do_el0_svc+0x58/0x14c
[  418.878128][T27989]  el0_svc+0x78/0x1e0
[  418.878813][T27989]  el0t_64_sync_handler+0xcc/0xe4
[  418.879600][T27989]  el0t_64_sync+0x1a0/0x1a4
[  418.880302][T27989] irq event stamp: 2630
[  418.880917][T27989] hardirqs last  enabled at (2629): [<ffff8000082f8fd0>] __up_console_sem+0xb4/0x100
[  418.882423][T27989] hardirqs last disabled at (2630): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  418.883615][T27989] softirqs last  enabled at (954): [<ffff800008031f6c>] local_bh_enable+0x10/0x34
[  418.884977][T27989] softirqs last disabled at (952): [<ffff800008031f38>] local_bh_disable+0x10/0x34
[  418.886317][T27989] ---[ end trace 8cf3970ef6976fd3 ]---
[  418.895097][T27989] ------------[ cut here ]------------
[  418.896513][T27989] kernfs: can not remove 'nr_reserved_tags', no directory
[  418.897752][T27989] WARNING: CPU: 1 PID: 27989 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  418.898183][T27997] block nbd3: shutting down sockets
[  418.899199][T27989] Modules linked in:
[  418.899213][T27989] CPU: 1 PID: 27989 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.899226][T27989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.903334][T27989] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  418.904505][T27989] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  418.905377][T27989] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  418.906314][T27989] sp : ffff800020567790
[  418.906748][T27995] block nbd1: shutting down sockets
[  418.906953][T27989] x29: ffff800020567790 x28: ffff0000cc375000 x27: 0000000000000000
[  418.909104][T27989] x26: 0000000000000002 x25: ffff800014919eb0 x24: 1ffff000022f8678
[  418.910444][T27989] x23: dfff800000000000 x22: ffff800014919f40 x21: 0000000000000000
[  418.911685][T27989] x20: 0000000000000000 x19: ffff8000117c3460 x18: 0000000000000002
[  418.912932][T27989] x17: 0000000040000000 x16: ffff8000111c8944 x15: 0000000000000002
[  418.914227][T27989] x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
[  418.915612][T27989] x11: 0000000000000000 x10: 0000000000000000 x9 : c967e6ac99905c00
[  418.916889][T27989] x8 : c967e6ac99905c00 x7 : 0000000000000000 x6 : 0000000000000000
[  418.918137][T27989] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
[  418.919384][T27989] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000037
[  418.920585][T27989] Call trace:
[  418.921107][T27989]  kernfs_remove_by_name_ns+0xcc/0x158
[  418.922067][T27989]  sysfs_remove_group+0xf8/0x288
[  418.922894][T27989]  sysfs_remove_groups+0x5c/0xb4
[  418.923734][T27989]  __kobject_del+0x90/0x2d4
[  418.924451][T27989]  kobject_del+0x48/0x68
[  418.925121][T27989]  blk_mq_sysfs_unregister+0x198/0x268
[  418.925990][T27989]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  418.926891][T27989]  nbd_start_device+0x14c/0xb40
[  418.927712][T27989]  nbd_ioctl+0x514/0xc50
[  418.928395][T27989]  blkdev_ioctl+0x5f8/0xbb8
[  418.929067][T27989]  block_ioctl+0xa4/0x118
[  418.929679][T27989]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.930347][T27989]  invoke_syscall+0x98/0x2b8
[  418.931015][T27989]  el0_svc_common+0x138/0x258
[  418.931663][T27989]  do_el0_svc+0x58/0x14c
[  418.932260][T27989]  el0_svc+0x78/0x1e0
[  418.932853][T27989]  el0t_64_sync_handler+0xcc/0xe4
[  418.933574][T27989]  el0t_64_sync+0x1a0/0x1a4
[  418.934261][T27989] irq event stamp: 2826
[  418.934922][T27989] hardirqs last  enabled at (2825): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4
[  418.936243][T27989] hardirqs last disabled at (2826): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  418.937523][T27989] softirqs last  enabled at (2808): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0
[  418.938901][T27989] softirqs last disabled at (2765): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440
[  418.940379][T27989] ---[ end trace 8cf3970ef6976fd4 ]---
[  418.948445][T28000] block nbd4: shutting down sockets
[  418.948453][T27989] ------------[ cut here ]------------
[  418.950265][T27989] kernfs: can not remove 'cpu_list', no directory
[  418.951482][T27989] WARNING: CPU: 1 PID: 27989 at fs/kernfs/dir.c:1557 kernfs_remove_by_name_ns+0xcc/0x158
[  418.953130][T27989] Modules linked in:
[  418.953792][T27989] CPU: 1 PID: 27989 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.955263][T27989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.956817][T27989] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[  418.957968][T27989] pc : kernfs_remove_by_name_ns+0xcc/0x158
[  418.958805][T27995] FAULT_INJECTION: forcing a failure.
[  418.958805][T27995] name failslab, interval 1, probability 0, space 0, times 0
[  418.958805][T27989] lr : kernfs_remove_by_name_ns+0xcc/0x158
[  418.960742][T27995] CPU: 0 PID: 27995 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  418.961536][T27989] sp : ffff800020567790
[  418.962990][T27995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  418.963579][T27989] x29: ffff800020567790 x28: ffff0000cc375000
[  418.964993][T27995] Call trace:
[  418.965000][T27995]  dump_backtrace+0x0/0x43c
[  418.965845][T27989]  x27: 0000000000000000
[  418.966277][T27995]  show_stack+0x2c/0x3c
[  418.966878][T27989] 
[  418.967574][T27995]  __dump_stack+0x30/0x40
[  418.968176][T27989] x26: 0000000000000002
[  418.968544][T27995]  dump_stack_lvl+0xf8/0x160
[  418.969178][T27989]  x25: ffff800014919eb8
[  418.969819][T27995]  dump_stack+0x1c/0x5c
[  418.970466][T27989]  x24: 1ffff000022f8678
[  418.971066][T27995]  should_fail+0x3c0/0x51c
[  418.971689][T27989] 
[  418.972365][T27995]  __should_failslab+0xbc/0x10c
[  418.973060][T27989] x23: dfff800000000000
[  418.973424][T27995]  should_failslab+0x10/0x28
[  418.974220][T27989]  x22: ffff800014919fa0
[  418.974928][T27995]  slab_pre_alloc_hook+0x64/0xec
[  418.975692][T27989]  x21: 0000000000000000
[  418.976410][T27995]  __kmalloc_node+0xb8/0x520
[  418.977111][T27989] 
[  418.977757][T27995]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  418.978508][T27989] x20: 0000000000000000
[  418.978864][T27995]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  418.979684][T27989]  x19: ffff8000117c34a0
[  418.980367][T27995]  nbd_start_device+0x14c/0xb40
[  418.981220][T27989]  x18: 0000000000000002
[  418.981850][T27995]  nbd_ioctl+0x514/0xc50
[  418.982525][T27989] 
[  418.983151][T27995]  blkdev_ioctl+0x5f8/0xbb8
[  418.983805][T27989] x17: 0000000040000000
[  418.984150][T27995]  block_ioctl+0xa4/0x118
[  418.984765][T27989]  x16: ffff8000111c8944
[  418.985414][T27995]  __arm64_sys_ioctl+0x14c/0x1c8
[  418.986078][T27989]  x15: 0000000000000002
[  418.986771][T27995]  invoke_syscall+0x98/0x2b8
[  418.987435][T27989] 
[  418.988101][T27995]  el0_svc_common+0x138/0x258
[  418.988866][T27989] x14: 0000000000ff0100
[  418.989230][T27995]  do_el0_svc+0x58/0x14c
[  418.989974][T27989]  x13: 1ffff0000283006b
[  418.990577][T27995]  el0_svc+0x78/0x1e0
[  418.991225][T27989]  x12: 0000000000ff0100
[  418.991895][T27995]  el0t_64_sync_handler+0xcc/0xe4
[  418.992529][T27989] 
[  418.993236][T27995]  el0t_64_sync+0x1a0/0x1a4
[  418.994002][T27989] x11: 0000000000000000 x10: 0000000000000000 x9 : c967e6ac99905c00
[  418.996444][T27989] x8 : c967e6ac99905c00 x7 : 0000000000000000 x6 : 0000000000000000
[  418.997788][T27989] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000850471c
[  418.999029][T27989] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000002f
[  419.000241][T27989] Call trace:
[  419.000772][T27989]  kernfs_remove_by_name_ns+0xcc/0x158
[  419.001582][T27989]  sysfs_remove_group+0xf8/0x288
[  419.002290][T27989]  sysfs_remove_groups+0x5c/0xb4
[  419.003049][T27989]  __kobject_del+0x90/0x2d4
[  419.003759][T27989]  kobject_del+0x48/0x68
[  419.004402][T27989]  blk_mq_sysfs_unregister+0x198/0x268
[  419.005221][T27989]  blk_mq_update_nr_hw_queues+0x4d0/0xbfc
[  419.006120][T27989]  nbd_start_device+0x14c/0xb40
[  419.006880][T27989]  nbd_ioctl+0x514/0xc50
[  419.007547][T27989]  blkdev_ioctl+0x5f8/0xbb8
[  419.008240][T27989]  block_ioctl+0xa4/0x118
[  419.008899][T27989]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.009678][T27989]  invoke_syscall+0x98/0x2b8
[  419.010374][T27989]  el0_svc_common+0x138/0x258
[  419.011165][T27989]  do_el0_svc+0x58/0x14c
[  419.011855][T27989]  el0_svc+0x78/0x1e0
[  419.012448][T27989]  el0t_64_sync_handler+0xcc/0xe4
[  419.013157][T27989]  el0t_64_sync+0x1a0/0x1a4
[  419.013841][T27989] irq event stamp: 2998
[  419.014441][T27989] hardirqs last  enabled at (2997): [<ffff800008245a58>] finish_lock_switch+0xb0/0x1c4
[  419.015907][T27989] hardirqs last disabled at (2998): [<ffff8000111c41a4>] el1_dbg+0x24/0x80
[  419.017262][T27989] softirqs last  enabled at (2966): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0
[  419.018878][T27989] softirqs last disabled at (2829): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440
[  419.020339][T27989] ---[ end trace 8cf3970ef6976fd5 ]---
[  419.051770][T28014] block nbd0: shutting down sockets
[  419.076080][T27989] FAULT_INJECTION: forcing a failure.
[  419.076080][T27989] name failslab, interval 1, probability 0, space 0, times 0
[  419.078102][T27989] CPU: 0 PID: 27989 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.079546][T27989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.080743][T27997] FAULT_INJECTION: forcing a failure.
[  419.080743][T27997] name failslab, interval 1, probability 0, space 0, times 0
[  419.081078][T27989] Call trace:
[  419.083609][T27989]  dump_backtrace+0x0/0x43c
[  419.084299][T27989]  show_stack+0x2c/0x3c
[  419.084935][T27989]  __dump_stack+0x30/0x40
[  419.085623][T27989]  dump_stack_lvl+0xf8/0x160
[  419.086370][T27989]  dump_stack+0x1c/0x5c
[  419.087029][T27989]  should_fail+0x3c0/0x51c
[  419.087774][T27989]  __should_failslab+0xbc/0x10c
[  419.088607][T27989]  should_failslab+0x10/0x28
[  419.089354][T27989]  slab_pre_alloc_hook+0x64/0xec
[  419.090123][T27989]  __kmalloc_node+0xb8/0x520
[  419.090840][T27989]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.091657][T27989]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.092507][T27989]  nbd_start_device+0x14c/0xb40
[  419.093306][T27989]  nbd_ioctl+0x514/0xc50
[  419.093977][T27989]  blkdev_ioctl+0x5f8/0xbb8
[  419.094752][T27989]  block_ioctl+0xa4/0x118
[  419.095543][T27989]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.096353][T27989]  invoke_syscall+0x98/0x2b8
[  419.097133][T27989]  el0_svc_common+0x138/0x258
[  419.097865][T27989]  do_el0_svc+0x58/0x14c
[  419.098504][T27989]  el0_svc+0x78/0x1e0
[  419.099105][T27989]  el0t_64_sync_handler+0xcc/0xe4
[  419.099915][T27989]  el0t_64_sync+0x1a0/0x1a4
[  419.102640][T27997] CPU: 1 PID: 27997 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.104171][T27997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.105747][T27997] Call trace:
[  419.106217][T27997]  dump_backtrace+0x0/0x43c
[  419.106918][T27997]  show_stack+0x2c/0x3c
[  419.107594][T27997]  __dump_stack+0x30/0x40
[  419.108241][T27997]  dump_stack_lvl+0xf8/0x160
[  419.108971][T27997]  dump_stack+0x1c/0x5c
[  419.109694][T27997]  should_fail+0x3c0/0x51c
[  419.110377][T27997]  __should_failslab+0xbc/0x10c
[  419.111098][T27997]  should_failslab+0x10/0x28
[  419.111870][T27997]  slab_pre_alloc_hook+0x64/0xec
[  419.112655][T27997]  __kmalloc_node+0xb8/0x520
[  419.113380][T27997]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.114227][T27997]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.115184][T27997]  nbd_start_device+0x14c/0xb40
[  419.115934][T27997]  nbd_ioctl+0x514/0xc50
[  419.115963][T27989] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.116612][T27997]  blkdev_ioctl+0x5f8/0xbb8
[  419.118265][T27997]  block_ioctl+0xa4/0x118
[  419.118946][T27997]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.119744][T27997]  invoke_syscall+0x98/0x2b8
[  419.120487][T27997]  el0_svc_common+0x138/0x258
[  419.121223][T27997]  do_el0_svc+0x58/0x14c
[  419.121891][T27997]  el0_svc+0x78/0x1e0
[  419.122473][T27997]  el0t_64_sync_handler+0xcc/0xe4
[  419.123283][T27997]  el0t_64_sync+0x1a0/0x1a4
[  419.130286][T28016] FAULT_INJECTION: forcing a failure.
[  419.130286][T28016] name failslab, interval 1, probability 0, space 0, times 0
[  419.132383][T28016] CPU: 0 PID: 28016 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.133879][T28016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.135487][T28016] Call trace:
[  419.136082][T28016]  dump_backtrace+0x0/0x43c
[  419.136792][T28016]  show_stack+0x2c/0x3c
[  419.137465][T28016]  __dump_stack+0x30/0x40
[  419.138159][T28016]  dump_stack_lvl+0xf8/0x160
[  419.138892][T28016]  dump_stack+0x1c/0x5c
[  419.139576][T28016]  should_fail+0x3c0/0x51c
[  419.140245][T28016]  __should_failslab+0xbc/0x10c
[  419.141050][T28016]  should_failslab+0x10/0x28
[  419.141756][T28016]  slab_pre_alloc_hook+0x64/0xec
[  419.142568][T28016]  kmem_cache_alloc+0x94/0x3e4
[  419.143294][T28016]  new_inode_pseudo+0x10c/0x1fc
[  419.143998][T28016]  new_inode+0x38/0x174
[  419.144678][T28016]  debugfs_create_dir+0xec/0x3f4
[  419.145353][T28016]  nbd_start_device+0x3c8/0xb40
[  419.146057][T28016]  nbd_ioctl+0x514/0xc50
[  419.146738][T28016]  blkdev_ioctl+0x5f8/0xbb8
[  419.147312][T27997] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.147484][T28016]  block_ioctl+0xa4/0x118
[  419.147504][T28016]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.149996][T28016]  invoke_syscall+0x98/0x2b8
[  419.150740][T28016]  el0_svc_common+0x138/0x258
[  419.151474][T28016]  do_el0_svc+0x58/0x14c
[  419.152149][T28016]  el0_svc+0x78/0x1e0
[  419.152757][T28016]  el0t_64_sync_handler+0xcc/0xe4
[  419.153483][T28016]  el0t_64_sync+0x1a0/0x1a4
[  419.167576][T28016] debugfs: out of free dentries, can not create directory 'nbd0'
[  419.169571][T28011] FAULT_INJECTION: forcing a failure.
[  419.169571][T28011] name failslab, interval 1, probability 0, space 0, times 0
[  419.171475][T27995] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.172022][T28011] CPU: 1 PID: 28011 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.174030][T28011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.175613][T28011] Call trace:
[  419.176095][T28011]  dump_backtrace+0x0/0x43c
[  419.176809][T28011]  show_stack+0x2c/0x3c
[  419.177459][T28011]  __dump_stack+0x30/0x40
[  419.178082][T28011]  dump_stack_lvl+0xf8/0x160
[  419.178777][T28011]  dump_stack+0x1c/0x5c
[  419.179443][T28011]  should_fail+0x3c0/0x51c
[  419.180145][T28011]  __should_failslab+0xbc/0x10c
[  419.180886][T28011]  should_failslab+0x10/0x28
[  419.181622][T28011]  slab_pre_alloc_hook+0x64/0xec
[  419.182421][T28011]  kmem_cache_alloc+0x94/0x3e4
[  419.183083][T28011]  new_inode_pseudo+0x10c/0x1fc
[  419.183821][T28011]  new_inode+0x38/0x174
[  419.184487][T28011]  debugfs_create_dir+0xec/0x3f4
[  419.185205][T28011]  nbd_start_device+0x3c8/0xb40
[  419.185895][T28011]  nbd_ioctl+0x514/0xc50
[  419.186544][T28011]  blkdev_ioctl+0x5f8/0xbb8
[  419.187292][T28011]  block_ioctl+0xa4/0x118
[  419.188030][T28011]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.188828][T28011]  invoke_syscall+0x98/0x2b8
[  419.189539][T28011]  el0_svc_common+0x138/0x258
[  419.190249][T28011]  do_el0_svc+0x58/0x14c
[  419.190861][T28011]  el0_svc+0x78/0x1e0
[  419.191448][T28011]  el0t_64_sync_handler+0xcc/0xe4
[  419.192210][T28011]  el0t_64_sync+0x1a0/0x1a4
[  419.195354][T28016] block nbd0: Failed to create debugfs dir for 'nbd0'
[  419.198103][T28011] debugfs: out of free dentries, can not create directory 'nbd4'
[  419.208348][T28011] block nbd4: Failed to create debugfs dir for 'nbd4'
[  419.289313][T28032] block nbd3: shutting down sockets
[  419.293350][T28030] block nbd2: shutting down sockets
[  419.316311][T28042] block nbd1: shutting down sockets
[  419.338059][T28032] FAULT_INJECTION: forcing a failure.
[  419.338059][T28032] name failslab, interval 1, probability 0, space 0, times 0
[  419.338250][T28030] FAULT_INJECTION: forcing a failure.
[  419.338250][T28030] name failslab, interval 1, probability 0, space 0, times 0
[  419.340064][T28032] CPU: 0 PID: 28032 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.343285][T28032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.344877][T28032] Call trace:
[  419.345374][T28032]  dump_backtrace+0x0/0x43c
[  419.346061][T28032]  show_stack+0x2c/0x3c
[  419.346864][T28032]  __dump_stack+0x30/0x40
[  419.347324][T28040] block nbd0: shutting down sockets
[  419.347511][T28032]  dump_stack_lvl+0xf8/0x160
[  419.348931][T28032]  dump_stack+0x1c/0x5c
[  419.349527][T28032]  should_fail+0x3c0/0x51c
[  419.350205][T28032]  __should_failslab+0xbc/0x10c
[  419.350916][T28032]  should_failslab+0x10/0x28
[  419.351647][T28032]  slab_pre_alloc_hook+0x64/0xec
[  419.352433][T28032]  __kmalloc_node+0xb8/0x520
[  419.353149][T28032]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.354001][T28032]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.354908][T28032]  nbd_start_device+0x14c/0xb40
[  419.355609][T28032]  nbd_ioctl+0x514/0xc50
[  419.356253][T28032]  blkdev_ioctl+0x5f8/0xbb8
[  419.356979][T28032]  block_ioctl+0xa4/0x118
[  419.357680][T28032]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.358411][T28032]  invoke_syscall+0x98/0x2b8
[  419.359138][T28032]  el0_svc_common+0x138/0x258
[  419.359921][T28032]  do_el0_svc+0x58/0x14c
[  419.360661][T28032]  el0_svc+0x78/0x1e0
[  419.361335][T28032]  el0t_64_sync_handler+0xcc/0xe4
[  419.362216][T28032]  el0t_64_sync+0x1a0/0x1a4
[  419.364564][T28041] block nbd4: shutting down sockets
[  419.367997][T28032] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.379027][T28042] FAULT_INJECTION: forcing a failure.
[  419.379027][T28042] name failslab, interval 1, probability 0, space 0, times 0
[  419.381031][T28042] CPU: 1 PID: 28042 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.382498][T28042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.384129][T28042] Call trace:
[  419.384659][T28042]  dump_backtrace+0x0/0x43c
[  419.385408][T28042]  show_stack+0x2c/0x3c
[  419.386081][T28042]  __dump_stack+0x30/0x40
[  419.386812][T28042]  dump_stack_lvl+0xf8/0x160
[  419.387544][T28042]  dump_stack+0x1c/0x5c
[  419.388242][T28042]  should_fail+0x3c0/0x51c
[  419.388914][T28042]  __should_failslab+0xbc/0x10c
[  419.389751][T28042]  should_failslab+0x10/0x28
[  419.390490][T28042]  slab_pre_alloc_hook+0x64/0xec
[  419.391274][T28042]  __kmalloc_node+0xb8/0x520
[  419.392019][T28042]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.392814][T28042]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.393642][T28042]  nbd_start_device+0x14c/0xb40
[  419.394429][T28042]  nbd_ioctl+0x514/0xc50
[  419.395096][T28042]  blkdev_ioctl+0x5f8/0xbb8
[  419.395742][T28042]  block_ioctl+0xa4/0x118
[  419.396462][T28042]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.397321][T28042]  invoke_syscall+0x98/0x2b8
[  419.398089][T28042]  el0_svc_common+0x138/0x258
[  419.398849][T28042]  do_el0_svc+0x58/0x14c
[  419.399560][T28042]  el0_svc+0x78/0x1e0
[  419.400239][T28042]  el0t_64_sync_handler+0xcc/0xe4
[  419.401077][T28042]  el0t_64_sync+0x1a0/0x1a4
[  419.401855][T28030] CPU: 0 PID: 28030 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.403248][T28030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.404787][T28030] Call trace:
[  419.405271][T28030]  dump_backtrace+0x0/0x43c
[  419.405980][T28030]  show_stack+0x2c/0x3c
[  419.406663][T28030]  __dump_stack+0x30/0x40
[  419.407357][T28030]  dump_stack_lvl+0xf8/0x160
[  419.408120][T28030]  dump_stack+0x1c/0x5c
[  419.408802][T28030]  should_fail+0x3c0/0x51c
[  419.409516][T28030]  __should_failslab+0xbc/0x10c
[  419.410237][T28030]  should_failslab+0x10/0x28
[  419.410939][T28030]  slab_pre_alloc_hook+0x64/0xec
[  419.411740][T28030]  __kmalloc_node+0xb8/0x520
[  419.412469][T28030]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.413265][T28030]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.414126][T28030]  nbd_start_device+0x14c/0xb40
[  419.414827][T28030]  nbd_ioctl+0x514/0xc50
[  419.415510][T28030]  blkdev_ioctl+0x5f8/0xbb8
[  419.416253][T28030]  block_ioctl+0xa4/0x118
[  419.417001][T28030]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.417783][T28030]  invoke_syscall+0x98/0x2b8
[  419.418497][T28030]  el0_svc_common+0x138/0x258
[  419.419236][T28030]  do_el0_svc+0x58/0x14c
[  419.419929][T28030]  el0_svc+0x78/0x1e0
[  419.420570][T28030]  el0t_64_sync_handler+0xcc/0xe4
[  419.421412][T28030]  el0t_64_sync+0x1a0/0x1a4
[  419.424976][T28042] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.442047][T28050] FAULT_INJECTION: forcing a failure.
[  419.442047][T28050] name failslab, interval 1, probability 0, space 0, times 0
[  419.443982][T28050] CPU: 1 PID: 28050 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.445518][T28050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.447199][T28050] Call trace:
[  419.447732][T28050]  dump_backtrace+0x0/0x43c
[  419.448488][T28050]  show_stack+0x2c/0x3c
[  419.449179][T28050]  __dump_stack+0x30/0x40
[  419.449883][T28050]  dump_stack_lvl+0xf8/0x160
[  419.450636][T28050]  dump_stack+0x1c/0x5c
[  419.451317][T28050]  should_fail+0x3c0/0x51c
[  419.452076][T28050]  __should_failslab+0xbc/0x10c
[  419.452798][T28050]  should_failslab+0x10/0x28
[  419.453395][T28050]  slab_pre_alloc_hook+0x64/0xec
[  419.454108][T28050]  kmem_cache_alloc+0x94/0x3e4
[  419.454937][T28050]  new_inode_pseudo+0x10c/0x1fc
[  419.455702][T28050]  new_inode+0x38/0x174
[  419.456396][T28050]  debugfs_create_dir+0xec/0x3f4
[  419.457057][T28030] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.457213][T28050]  nbd_start_device+0x3c8/0xb40
[  419.457232][T28050]  nbd_ioctl+0x514/0xc50
[  419.459804][T28050]  blkdev_ioctl+0x5f8/0xbb8
[  419.460463][T28050]  block_ioctl+0xa4/0x118
[  419.461221][T28050]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.462006][T28050]  invoke_syscall+0x98/0x2b8
[  419.462790][T28050]  el0_svc_common+0x138/0x258
[  419.463518][T28050]  do_el0_svc+0x58/0x14c
[  419.464231][T28050]  el0_svc+0x78/0x1e0
[  419.464901][T28050]  el0t_64_sync_handler+0xcc/0xe4
[  419.465690][T28050]  el0t_64_sync+0x1a0/0x1a4
[  419.476364][T28050] debugfs: out of free dentries, can not create directory 'nbd4'
[  419.477782][T28050] block nbd4: Failed to create debugfs dir for 'nbd4'
[  419.483960][T28056] FAULT_INJECTION: forcing a failure.
[  419.483960][T28056] name failslab, interval 1, probability 0, space 0, times 0
[  419.488474][T28056] CPU: 1 PID: 28056 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.489779][T28056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.491415][T28056] Call trace:
[  419.491974][T28056]  dump_backtrace+0x0/0x43c
[  419.492656][T28056]  show_stack+0x2c/0x3c
[  419.493328][T28056]  __dump_stack+0x30/0x40
[  419.493917][T28056]  dump_stack_lvl+0xf8/0x160
[  419.494562][T28056]  dump_stack+0x1c/0x5c
[  419.495216][T28056]  should_fail+0x3c0/0x51c
[  419.495920][T28056]  __should_failslab+0xbc/0x10c
[  419.496655][T28056]  should_failslab+0x10/0x28
[  419.497305][T28056]  slab_pre_alloc_hook+0x64/0xec
[  419.498108][T28056]  kmem_cache_alloc+0x94/0x3e4
[  419.498922][T28056]  new_inode_pseudo+0x10c/0x1fc
[  419.499730][T28056]  new_inode+0x38/0x174
[  419.500455][T28056]  debugfs_create_dir+0xec/0x3f4
[  419.501229][T28056]  nbd_start_device+0x3c8/0xb40
[  419.502012][T28056]  nbd_ioctl+0x514/0xc50
[  419.502639][T28056]  blkdev_ioctl+0x5f8/0xbb8
[  419.503328][T28056]  block_ioctl+0xa4/0x118
[  419.504036][T28056]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.504845][T28056]  invoke_syscall+0x98/0x2b8
[  419.505578][T28056]  el0_svc_common+0x138/0x258
[  419.506283][T28056]  do_el0_svc+0x58/0x14c
[  419.506970][T28056]  el0_svc+0x78/0x1e0
[  419.507650][T28056]  el0t_64_sync_handler+0xcc/0xe4
[  419.508452][T28056]  el0t_64_sync+0x1a0/0x1a4
[  419.515803][T28056] debugfs: out of free dentries, can not create directory 'nbd0'
[  419.518632][T28056] block nbd0: Failed to create debugfs dir for 'nbd0'
[  419.526973][T28055] block nbd3: shutting down sockets
[  419.558823][T28055] FAULT_INJECTION: forcing a failure.
[  419.558823][T28055] name failslab, interval 1, probability 0, space 0, times 0
[  419.560918][T28055] CPU: 0 PID: 28055 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.562421][T28055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.564032][T28055] Call trace:
[  419.564555][T28055]  dump_backtrace+0x0/0x43c
[  419.565291][T28055]  show_stack+0x2c/0x3c
[  419.565996][T28055]  __dump_stack+0x30/0x40
[  419.566689][T28055]  dump_stack_lvl+0xf8/0x160
[  419.567332][T28055]  dump_stack+0x1c/0x5c
[  419.568053][T28055]  should_fail+0x3c0/0x51c
[  419.568706][T28055]  __should_failslab+0xbc/0x10c
[  419.569402][T28055]  should_failslab+0x10/0x28
[  419.570128][T28055]  slab_pre_alloc_hook+0x64/0xec
[  419.570991][T28055]  __kmalloc_node+0xb8/0x520
[  419.571644][T28055]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.572487][T28055]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.573406][T28055]  nbd_start_device+0x14c/0xb40
[  419.574228][T28055]  nbd_ioctl+0x514/0xc50
[  419.574945][T28055]  blkdev_ioctl+0x5f8/0xbb8
[  419.575634][T28055]  block_ioctl+0xa4/0x118
[  419.576378][T28055]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.577241][T28055]  invoke_syscall+0x98/0x2b8
[  419.578033][T28055]  el0_svc_common+0x138/0x258
[  419.578766][T28055]  do_el0_svc+0x58/0x14c
[  419.579435][T28055]  el0_svc+0x78/0x1e0
[  419.580083][T28055]  el0t_64_sync_handler+0xcc/0xe4
[  419.580871][T28055]  el0t_64_sync+0x1a0/0x1a4
[  419.583494][T28055] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.618334][T28067] block nbd2: shutting down sockets
[  419.628335][T28068] block nbd0: shutting down sockets
[  419.636244][T28065] block nbd1: shutting down sockets
[  419.637221][T28070] block nbd4: shutting down sockets
[  419.641407][T28070] FAULT_INJECTION: forcing a failure.
[  419.641407][T28070] name failslab, interval 1, probability 0, space 0, times 0
[  419.646413][T28070] CPU: 1 PID: 28070 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.647852][T28070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.649458][T28070] Call trace:
[  419.649960][T28070]  dump_backtrace+0x0/0x43c
[  419.650677][T28070]  show_stack+0x2c/0x3c
[  419.651292][T28070]  __dump_stack+0x30/0x40
[  419.651911][T28070]  dump_stack_lvl+0xf8/0x160
[  419.652621][T28070]  dump_stack+0x1c/0x5c
[  419.653237][T28070]  should_fail+0x3c0/0x51c
[  419.654015][T28070]  __should_failslab+0xbc/0x10c
[  419.654794][T28070]  should_failslab+0x10/0x28
[  419.655611][T28070]  slab_pre_alloc_hook+0x64/0xec
[  419.656367][T28070]  kmem_cache_alloc+0x94/0x3e4
[  419.657087][T28070]  new_inode_pseudo+0x10c/0x1fc
[  419.657860][T28070]  new_inode+0x38/0x174
[  419.658580][T28070]  debugfs_create_dir+0xec/0x3f4
[  419.659393][T28070]  nbd_start_device+0x3c8/0xb40
[  419.660185][T28070]  nbd_ioctl+0x514/0xc50
[  419.660895][T28070]  blkdev_ioctl+0x5f8/0xbb8
[  419.661575][T28070]  block_ioctl+0xa4/0x118
[  419.662353][T28070]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.663205][T28070]  invoke_syscall+0x98/0x2b8
[  419.664035][T28070]  el0_svc_common+0x138/0x258
[  419.664802][T28070]  do_el0_svc+0x58/0x14c
[  419.665474][T28070]  el0_svc+0x78/0x1e0
[  419.666211][T28070]  el0t_64_sync_handler+0xcc/0xe4
[  419.667083][T28070]  el0t_64_sync+0x1a0/0x1a4
[  419.672500][T28070] debugfs: out of free dentries, can not create directory 'nbd4'
[  419.673954][T28068] FAULT_INJECTION: forcing a failure.
[  419.673954][T28068] name failslab, interval 1, probability 0, space 0, times 0
[  419.676581][T28068] CPU: 1 PID: 28068 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.678035][T28067] FAULT_INJECTION: forcing a failure.
[  419.678035][T28067] name failslab, interval 1, probability 0, space 0, times 0
[  419.678132][T28068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.681596][T28068] Call trace:
[  419.682142][T28068]  dump_backtrace+0x0/0x43c
[  419.682857][T28068]  show_stack+0x2c/0x3c
[  419.683610][T28068]  __dump_stack+0x30/0x40
[  419.684356][T28068]  dump_stack_lvl+0xf8/0x160
[  419.685133][T28068]  dump_stack+0x1c/0x5c
[  419.685807][T28068]  should_fail+0x3c0/0x51c
[  419.686559][T28068]  __should_failslab+0xbc/0x10c
[  419.687344][T28068]  should_failslab+0x10/0x28
[  419.688112][T28068]  slab_pre_alloc_hook+0x64/0xec
[  419.688875][T28068]  kmem_cache_alloc+0x94/0x3e4
[  419.689672][T28068]  __d_alloc+0x3c/0x65c
[  419.690271][T28068]  d_alloc_parallel+0x80/0x1104
[  419.690944][T28068]  __lookup_slow+0x104/0x380
[  419.691689][T28068]  lookup_one_len+0x178/0x28c
[  419.692472][T28068]  start_creating+0x19c/0x2e0
[  419.693291][T28068]  debugfs_create_dir+0x30/0x3f4
[  419.694089][T28068]  nbd_start_device+0x3c8/0xb40
[  419.694857][T28068]  nbd_ioctl+0x514/0xc50
[  419.695505][T28068]  blkdev_ioctl+0x5f8/0xbb8
[  419.696243][T28068]  block_ioctl+0xa4/0x118
[  419.696918][T28068]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.697745][T28068]  invoke_syscall+0x98/0x2b8
[  419.698525][T28068]  el0_svc_common+0x138/0x258
[  419.699314][T28068]  do_el0_svc+0x58/0x14c
[  419.700016][T28068]  el0_svc+0x78/0x1e0
[  419.700690][T28068]  el0t_64_sync_handler+0xcc/0xe4
[  419.701519][T28068]  el0t_64_sync+0x1a0/0x1a4
[  419.702360][T28067] CPU: 0 PID: 28067 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.703876][T28067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.705490][T28067] Call trace:
[  419.706095][T28067]  dump_backtrace+0x0/0x43c
[  419.706906][T28067]  show_stack+0x2c/0x3c
[  419.707595][T28067]  __dump_stack+0x30/0x40
[  419.708305][T28067]  dump_stack_lvl+0xf8/0x160
[  419.709015][T28067]  dump_stack+0x1c/0x5c
[  419.709725][T28067]  should_fail+0x3c0/0x51c
[  419.710464][T28067]  __should_failslab+0xbc/0x10c
[  419.710784][T28065] FAULT_INJECTION: forcing a failure.
[  419.710784][T28065] name failslab, interval 1, probability 0, space 0, times 0
[  419.711302][T28067]  should_failslab+0x10/0x28
[  419.713976][T28067]  slab_pre_alloc_hook+0x64/0xec
[  419.714783][T28067]  __kmalloc_node+0xb8/0x520
[  419.715524][T28067]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.716379][T28067]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.716462][T28070] block nbd4: Failed to create debugfs dir for 'nbd4'
[  419.717259][T28067]  nbd_start_device+0x14c/0xb40
[  419.719131][T28067]  nbd_ioctl+0x514/0xc50
[  419.719780][T28067]  blkdev_ioctl+0x5f8/0xbb8
[  419.720552][T28067]  block_ioctl+0xa4/0x118
[  419.721218][T28067]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.721929][T28067]  invoke_syscall+0x98/0x2b8
[  419.722706][T28067]  el0_svc_common+0x138/0x258
[  419.723455][T28067]  do_el0_svc+0x58/0x14c
[  419.724126][T28067]  el0_svc+0x78/0x1e0
[  419.724820][T28067]  el0t_64_sync_handler+0xcc/0xe4
[  419.725589][T28067]  el0t_64_sync+0x1a0/0x1a4
[  419.729474][T28065] CPU: 1 PID: 28065 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.730956][T28065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.732528][T28065] Call trace:
[  419.733038][T28065]  dump_backtrace+0x0/0x43c
[  419.733764][T28065]  show_stack+0x2c/0x3c
[  419.734428][T28065]  __dump_stack+0x30/0x40
[  419.735176][T28065]  dump_stack_lvl+0xf8/0x160
[  419.735885][T28065]  dump_stack+0x1c/0x5c
[  419.736620][T28065]  should_fail+0x3c0/0x51c
[  419.737399][T28065]  __should_failslab+0xbc/0x10c
[  419.738136][T28065]  should_failslab+0x10/0x28
[  419.738869][T28065]  slab_pre_alloc_hook+0x64/0xec
[  419.739689][T28065]  __kmalloc_node+0xb8/0x520
[  419.740310][T28067] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.740368][T28065]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.742191][T28065]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.743151][T28065]  nbd_start_device+0x14c/0xb40
[  419.743894][T28065]  nbd_ioctl+0x514/0xc50
[  419.744326][T28068] block nbd0: Failed to create debugfs dir for 'nbd0'
[  419.744569][T28065]  blkdev_ioctl+0x5f8/0xbb8
[  419.746341][T28065]  block_ioctl+0xa4/0x118
[  419.747058][T28065]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.747858][T28065]  invoke_syscall+0x98/0x2b8
[  419.748605][T28065]  el0_svc_common+0x138/0x258
[  419.749358][T28065]  do_el0_svc+0x58/0x14c
[  419.750020][T28065]  el0_svc+0x78/0x1e0
[  419.750640][T28065]  el0t_64_sync_handler+0xcc/0xe4
[  419.751385][T28065]  el0t_64_sync+0x1a0/0x1a4
[  419.772678][T28081] block nbd3: shutting down sockets
[  419.774296][T28065] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.818322][T28081] FAULT_INJECTION: forcing a failure.
[  419.818322][T28081] name failslab, interval 1, probability 0, space 0, times 0
[  419.820412][T28081] CPU: 0 PID: 28081 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.821893][T28081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.823481][T28081] Call trace:
[  419.824018][T28081]  dump_backtrace+0x0/0x43c
[  419.824733][T28081]  show_stack+0x2c/0x3c
[  419.825331][T28081]  __dump_stack+0x30/0x40
[  419.825975][T28081]  dump_stack_lvl+0xf8/0x160
[  419.826739][T28081]  dump_stack+0x1c/0x5c
[  419.827377][T28081]  should_fail+0x3c0/0x51c
[  419.828130][T28081]  __should_failslab+0xbc/0x10c
[  419.828921][T28081]  should_failslab+0x10/0x28
[  419.829623][T28081]  slab_pre_alloc_hook+0x64/0xec
[  419.830408][T28081]  __kmalloc_node+0xb8/0x520
[  419.831147][T28081]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.832052][T28081]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.832972][T28081]  nbd_start_device+0x14c/0xb40
[  419.833764][T28081]  nbd_ioctl+0x514/0xc50
[  419.834477][T28081]  blkdev_ioctl+0x5f8/0xbb8
[  419.835198][T28081]  block_ioctl+0xa4/0x118
[  419.835897][T28081]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.836673][T28081]  invoke_syscall+0x98/0x2b8
[  419.837432][T28081]  el0_svc_common+0x138/0x258
[  419.838228][T28081]  do_el0_svc+0x58/0x14c
[  419.838937][T28081]  el0_svc+0x78/0x1e0
[  419.839545][T28081]  el0t_64_sync_handler+0xcc/0xe4
[  419.840340][T28081]  el0t_64_sync+0x1a0/0x1a4
[  419.843054][T28081] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.876832][T28102] block nbd1: shutting down sockets
[  419.886822][T28098] block nbd2: shutting down sockets
[  419.896252][T28093] block nbd4: shutting down sockets
[  419.897492][T28097] block nbd0: shutting down sockets
[  419.910782][T28093] FAULT_INJECTION: forcing a failure.
[  419.910782][T28093] name failslab, interval 1, probability 0, space 0, times 0
[  419.912750][T28093] CPU: 0 PID: 28093 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.914239][T28093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.915855][T28093] Call trace:
[  419.916382][T28093]  dump_backtrace+0x0/0x43c
[  419.917112][T28093]  show_stack+0x2c/0x3c
[  419.917770][T28093]  __dump_stack+0x30/0x40
[  419.918427][T28093]  dump_stack_lvl+0xf8/0x160
[  419.919095][T28093]  dump_stack+0x1c/0x5c
[  419.919722][T28093]  should_fail+0x3c0/0x51c
[  419.920259][T28102] FAULT_INJECTION: forcing a failure.
[  419.920259][T28102] name failslab, interval 1, probability 0, space 0, times 0
[  419.920390][T28093]  __should_failslab+0xbc/0x10c
[  419.923130][T28093]  should_failslab+0x10/0x28
[  419.923820][T28093]  slab_pre_alloc_hook+0x64/0xec
[  419.924629][T28093]  kmem_cache_alloc+0x94/0x3e4
[  419.925347][T28093]  new_inode_pseudo+0x10c/0x1fc
[  419.926115][T28093]  new_inode+0x38/0x174
[  419.926796][T28093]  debugfs_create_dir+0xec/0x3f4
[  419.927548][T28093]  nbd_start_device+0x3c8/0xb40
[  419.928278][T28093]  nbd_ioctl+0x514/0xc50
[  419.928975][T28093]  blkdev_ioctl+0x5f8/0xbb8
[  419.929694][T28093]  block_ioctl+0xa4/0x118
[  419.930406][T28093]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.931206][T28093]  invoke_syscall+0x98/0x2b8
[  419.931922][T28093]  el0_svc_common+0x138/0x258
[  419.932654][T28093]  do_el0_svc+0x58/0x14c
[  419.933344][T28093]  el0_svc+0x78/0x1e0
[  419.933948][T28093]  el0t_64_sync_handler+0xcc/0xe4
[  419.934754][T28093]  el0t_64_sync+0x1a0/0x1a4
[  419.939286][T28102] CPU: 1 PID: 28102 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  419.940717][T28102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  419.942189][T28102] Call trace:
[  419.942725][T28102]  dump_backtrace+0x0/0x43c
[  419.943468][T28102]  show_stack+0x2c/0x3c
[  419.944155][T28102]  __dump_stack+0x30/0x40
[  419.944820][T28102]  dump_stack_lvl+0xf8/0x160
[  419.945510][T28102]  dump_stack+0x1c/0x5c
[  419.946192][T28102]  should_fail+0x3c0/0x51c
[  419.946844][T28102]  __should_failslab+0xbc/0x10c
[  419.947583][T28102]  should_failslab+0x10/0x28
[  419.948308][T28102]  slab_pre_alloc_hook+0x64/0xec
[  419.949085][T28102]  __kmalloc_node+0xb8/0x520
[  419.949830][T28102]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  419.950679][T28102]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  419.951599][T28102]  nbd_start_device+0x14c/0xb40
[  419.952390][T28102]  nbd_ioctl+0x514/0xc50
[  419.953051][T28102]  blkdev_ioctl+0x5f8/0xbb8
[  419.953764][T28102]  block_ioctl+0xa4/0x118
[  419.954492][T28102]  __arm64_sys_ioctl+0x14c/0x1c8
[  419.955294][T28102]  invoke_syscall+0x98/0x2b8
[  419.956006][T28102]  el0_svc_common+0x138/0x258
[  419.956688][T28102]  do_el0_svc+0x58/0x14c
[  419.957305][T28102]  el0_svc+0x78/0x1e0
[  419.957869][T28102]  el0t_64_sync_handler+0xcc/0xe4
[  419.958559][T28102]  el0t_64_sync+0x1a0/0x1a4
[  419.963834][T28102] Increasing nr_hw_queues to 2 fails, fallback to 1
[  419.998722][T28093] debugfs: out of free dentries, can not create directory 'nbd4'
[  420.000084][T28093] block nbd4: Failed to create debugfs dir for 'nbd4'
[  420.000346][T28097] FAULT_INJECTION: forcing a failure.
[  420.000346][T28097] name failslab, interval 1, probability 0, space 0, times 0
[  420.003566][T28097] CPU: 1 PID: 28097 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.005100][T28097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.006813][T28097] Call trace:
[  420.007320][T28097]  dump_backtrace+0x0/0x43c
[  420.008088][T28097]  show_stack+0x2c/0x3c
[  420.008800][T28097]  __dump_stack+0x30/0x40
[  420.009463][T28097]  dump_stack_lvl+0xf8/0x160
[  420.009629][T28098] FAULT_INJECTION: forcing a failure.
[  420.009629][T28098] name failslab, interval 1, probability 0, space 0, times 0
[  420.010192][T28097]  dump_stack+0x1c/0x5c
[  420.012835][T28097]  should_fail+0x3c0/0x51c
[  420.013549][T28097]  __should_failslab+0xbc/0x10c
[  420.014332][T28097]  should_failslab+0x10/0x28
[  420.015063][T28097]  slab_pre_alloc_hook+0x64/0xec
[  420.015829][T28097]  kmem_cache_alloc+0x94/0x3e4
[  420.016576][T28097]  new_inode_pseudo+0x10c/0x1fc
[  420.017375][T28097]  new_inode+0x38/0x174
[  420.017978][T28097]  debugfs_create_dir+0xec/0x3f4
[  420.018766][T28097]  nbd_start_device+0x3c8/0xb40
[  420.019497][T28097]  nbd_ioctl+0x514/0xc50
[  420.020159][T28097]  blkdev_ioctl+0x5f8/0xbb8
[  420.020903][T28097]  block_ioctl+0xa4/0x118
[  420.021617][T28097]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.022377][T28097]  invoke_syscall+0x98/0x2b8
[  420.023126][T28097]  el0_svc_common+0x138/0x258
[  420.023774][T28097]  do_el0_svc+0x58/0x14c
[  420.024415][T28097]  el0_svc+0x78/0x1e0
[  420.025015][T28097]  el0t_64_sync_handler+0xcc/0xe4
[  420.025839][T28097]  el0t_64_sync+0x1a0/0x1a4
[  420.028023][T28098] CPU: 0 PID: 28098 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.029396][T28098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.029802][T28097] debugfs: out of free dentries, can not create directory 'nbd0'
[  420.031098][T28098] Call trace:
[  420.031105][T28098]  dump_backtrace+0x0/0x43c
[  420.031119][T28098]  show_stack+0x2c/0x3c
[  420.031126][T28098]  __dump_stack+0x30/0x40
[  420.031135][T28098]  dump_stack_lvl+0xf8/0x160
[  420.031142][T28098]  dump_stack+0x1c/0x5c
[  420.031149][T28098]  should_fail+0x3c0/0x51c
[  420.031155][T28098]  __should_failslab+0xbc/0x10c
[  420.032675][T28097] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.032810][T28098]  should_failslab+0x10/0x28
[  420.039435][T28098]  slab_pre_alloc_hook+0x64/0xec
[  420.040276][T28098]  __kmalloc_node+0xb8/0x520
[  420.041013][T28098]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.041920][T28098]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.042876][T28098]  nbd_start_device+0x14c/0xb40
[  420.043758][T28098]  nbd_ioctl+0x514/0xc50
[  420.044444][T28098]  blkdev_ioctl+0x5f8/0xbb8
[  420.045170][T28098]  block_ioctl+0xa4/0x118
[  420.045879][T28098]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.046655][T28098]  invoke_syscall+0x98/0x2b8
[  420.047498][T28098]  el0_svc_common+0x138/0x258
[  420.048229][T28098]  do_el0_svc+0x58/0x14c
[  420.048972][T28098]  el0_svc+0x78/0x1e0
[  420.049539][T28098]  el0t_64_sync_handler+0xcc/0xe4
[  420.050264][T28098]  el0t_64_sync+0x1a0/0x1a4
[  420.060361][T28105] FAULT_INJECTION: forcing a failure.
[  420.060361][T28105] name failslab, interval 1, probability 0, space 0, times 0
[  420.062338][T28105] CPU: 1 PID: 28105 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.063643][T28105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.065044][T28105] Call trace:
[  420.065566][T28105]  dump_backtrace+0x0/0x43c
[  420.066179][T28105]  show_stack+0x2c/0x3c
[  420.066762][T28105]  __dump_stack+0x30/0x40
[  420.067385][T28105]  dump_stack_lvl+0xf8/0x160
[  420.068112][T28105]  dump_stack+0x1c/0x5c
[  420.068775][T28105]  should_fail+0x3c0/0x51c
[  420.069516][T28105]  __should_failslab+0xbc/0x10c
[  420.070315][T28105]  should_failslab+0x10/0x28
[  420.071085][T28105]  slab_pre_alloc_hook+0x64/0xec
[  420.071914][T28105]  __kmalloc_node+0xb8/0x520
[  420.072635][T28105]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.073510][T28105]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.074376][T28105]  nbd_start_device+0x14c/0xb40
[  420.075141][T28105]  nbd_ioctl+0x514/0xc50
[  420.075745][T28105]  blkdev_ioctl+0x5f8/0xbb8
[  420.076447][T28105]  block_ioctl+0xa4/0x118
[  420.077048][T28105]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.077879][T28105]  invoke_syscall+0x98/0x2b8
[  420.078223][T28098] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.078642][T28105]  el0_svc_common+0x138/0x258
[  420.080518][T28105]  do_el0_svc+0x58/0x14c
[  420.081241][T28105]  el0_svc+0x78/0x1e0
[  420.081924][T28105]  el0t_64_sync_handler+0xcc/0xe4
[  420.082748][T28105]  el0t_64_sync+0x1a0/0x1a4
[  420.096294][T28105] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.188483][T28128] block nbd0: shutting down sockets
[  420.190011][T28129] block nbd1: shutting down sockets
[  420.206693][T28127] block nbd4: shutting down sockets
[  420.207728][T28128] FAULT_INJECTION: forcing a failure.
[  420.207728][T28128] name failslab, interval 1, probability 0, space 0, times 0
[  420.210094][T28128] CPU: 1 PID: 28128 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.211627][T28128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.213196][T28128] Call trace:
[  420.213756][T28128]  dump_backtrace+0x0/0x43c
[  420.214443][T28128]  show_stack+0x2c/0x3c
[  420.215069][T28128]  __dump_stack+0x30/0x40
[  420.215763][T28128]  dump_stack_lvl+0xf8/0x160
[  420.216462][T28128]  dump_stack+0x1c/0x5c
[  420.217093][T28128]  should_fail+0x3c0/0x51c
[  420.217789][T28128]  __should_failslab+0xbc/0x10c
[  420.218596][T28128]  should_failslab+0x10/0x28
[  420.219335][T28128]  slab_pre_alloc_hook+0x64/0xec
[  420.220111][T28128]  kmem_cache_alloc+0x94/0x3e4
[  420.220890][T28128]  new_inode_pseudo+0x10c/0x1fc
[  420.221657][T28128]  new_inode+0x38/0x174
[  420.222294][T28128]  debugfs_create_dir+0xec/0x3f4
[  420.223074][T28128]  nbd_start_device+0x3c8/0xb40
[  420.223805][T28128]  nbd_ioctl+0x514/0xc50
[  420.224447][T28128]  blkdev_ioctl+0x5f8/0xbb8
[  420.225165][T28128]  block_ioctl+0xa4/0x118
[  420.225837][T28128]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.226622][T28128]  invoke_syscall+0x98/0x2b8
[  420.227308][T28128]  el0_svc_common+0x138/0x258
[  420.228005][T28128]  do_el0_svc+0x58/0x14c
[  420.228645][T28128]  el0_svc+0x78/0x1e0
[  420.229214][T28128]  el0t_64_sync_handler+0xcc/0xe4
[  420.229996][T28128]  el0t_64_sync+0x1a0/0x1a4
[  420.231750][T28128] debugfs: out of free dentries, can not create directory 'nbd0'
[  420.233368][T28128] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.258744][T28129] FAULT_INJECTION: forcing a failure.
[  420.258744][T28129] name failslab, interval 1, probability 0, space 0, times 0
[  420.260822][T28129] CPU: 1 PID: 28129 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.262207][T28129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.263893][T28129] Call trace:
[  420.264400][T28129]  dump_backtrace+0x0/0x43c
[  420.265089][T28129]  show_stack+0x2c/0x3c
[  420.265720][T28129]  __dump_stack+0x30/0x40
[  420.265742][T28131] block nbd2: shutting down sockets
[  420.266421][T28129]  dump_stack_lvl+0xf8/0x160
[  420.266439][T28129]  dump_stack+0x1c/0x5c
[  420.266449][T28129]  should_fail+0x3c0/0x51c
[  420.266457][T28129]  __should_failslab+0xbc/0x10c
[  420.266465][T28129]  should_failslab+0x10/0x28
[  420.266470][T28129]  slab_pre_alloc_hook+0x64/0xec
[  420.266477][T28129]  __kmalloc_node+0xb8/0x520
[  420.266481][T28129]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.266487][T28129]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.266493][T28129]  nbd_start_device+0x14c/0xb40
[  420.266499][T28129]  nbd_ioctl+0x514/0xc50
[  420.266503][T28129]  blkdev_ioctl+0x5f8/0xbb8
[  420.266509][T28129]  block_ioctl+0xa4/0x118
[  420.266514][T28129]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.266520][T28129]  invoke_syscall+0x98/0x2b8
[  420.266526][T28129]  el0_svc_common+0x138/0x258
[  420.269794][T28127] FAULT_INJECTION: forcing a failure.
[  420.269794][T28127] name failslab, interval 1, probability 0, space 0, times 0
[  420.270223][T28129]  do_el0_svc+0x58/0x14c
[  420.281546][T28129]  el0_svc+0x78/0x1e0
[  420.282150][T28129]  el0t_64_sync_handler+0xcc/0xe4
[  420.282867][T28129]  el0t_64_sync+0x1a0/0x1a4
[  420.283542][T28127] CPU: 0 PID: 28127 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.285038][T28127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.286617][T28127] Call trace:
[  420.287171][T28127]  dump_backtrace+0x0/0x43c
[  420.287959][T28127]  show_stack+0x2c/0x3c
[  420.288682][T28127]  __dump_stack+0x30/0x40
[  420.289390][T28127]  dump_stack_lvl+0xf8/0x160
[  420.290123][T28127]  dump_stack+0x1c/0x5c
[  420.290787][T28127]  should_fail+0x3c0/0x51c
[  420.291564][T28127]  __should_failslab+0xbc/0x10c
[  420.292361][T28127]  should_failslab+0x10/0x28
[  420.293088][T28127]  slab_pre_alloc_hook+0x64/0xec
[  420.293867][T28127]  kmem_cache_alloc+0x94/0x3e4
[  420.294314][T28129] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.294619][T28127]  new_inode_pseudo+0x10c/0x1fc
[  420.296432][T28127]  new_inode+0x38/0x174
[  420.297143][T28127]  debugfs_create_dir+0xec/0x3f4
[  420.297976][T28127]  nbd_start_device+0x3c8/0xb40
[  420.298801][T28127]  nbd_ioctl+0x514/0xc50
[  420.299469][T28127]  blkdev_ioctl+0x5f8/0xbb8
[  420.300225][T28127]  block_ioctl+0xa4/0x118
[  420.300933][T28127]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.301711][T28127]  invoke_syscall+0x98/0x2b8
[  420.302405][T28127]  el0_svc_common+0x138/0x258
[  420.303205][T28127]  do_el0_svc+0x58/0x14c
[  420.303908][T28127]  el0_svc+0x78/0x1e0
[  420.304562][T28127]  el0t_64_sync_handler+0xcc/0xe4
[  420.305424][T28127]  el0t_64_sync+0x1a0/0x1a4
[  420.309246][T28127] debugfs: out of free dentries, can not create directory 'nbd4'
[  420.311009][T28127] block nbd4: Failed to create debugfs dir for 'nbd4'
[  420.330830][T28131] FAULT_INJECTION: forcing a failure.
[  420.330830][T28131] name failslab, interval 1, probability 0, space 0, times 0
[  420.332964][T28131] CPU: 0 PID: 28131 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.334459][T28131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.336020][T28131] Call trace:
[  420.336548][T28131]  dump_backtrace+0x0/0x43c
[  420.337345][T28131]  show_stack+0x2c/0x3c
[  420.338049][T28131]  __dump_stack+0x30/0x40
[  420.338745][T28131]  dump_stack_lvl+0xf8/0x160
[  420.339520][T28131]  dump_stack+0x1c/0x5c
[  420.340225][T28131]  should_fail+0x3c0/0x51c
[  420.340966][T28131]  __should_failslab+0xbc/0x10c
[  420.341781][T28131]  should_failslab+0x10/0x28
[  420.342609][T28131]  slab_pre_alloc_hook+0x64/0xec
[  420.343376][T28131]  __kmalloc_node+0xb8/0x520
[  420.344123][T28131]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.345012][T28131]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.345916][T28131]  nbd_start_device+0x14c/0xb40
[  420.346730][T28131]  nbd_ioctl+0x514/0xc50
[  420.347462][T28131]  blkdev_ioctl+0x5f8/0xbb8
[  420.348236][T28131]  block_ioctl+0xa4/0x118
[  420.348999][T28131]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.349804][T28131]  invoke_syscall+0x98/0x2b8
[  420.350629][T28131]  el0_svc_common+0x138/0x258
[  420.351398][T28131]  do_el0_svc+0x58/0x14c
[  420.352007][T28131]  el0_svc+0x78/0x1e0
[  420.352624][T28131]  el0t_64_sync_handler+0xcc/0xe4
[  420.353423][T28131]  el0t_64_sync+0x1a0/0x1a4
[  420.367136][T28131] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.417624][T28105] block nbd3: shutting down sockets
[  420.427432][T28141] block nbd0: shutting down sockets
[  420.431097][T28141] FAULT_INJECTION: forcing a failure.
[  420.431097][T28141] name failslab, interval 1, probability 0, space 0, times 0
[  420.433963][T28141] CPU: 0 PID: 28141 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.435423][T28141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.437138][T28141] Call trace:
[  420.437708][T28141]  dump_backtrace+0x0/0x43c
[  420.438476][T28141]  show_stack+0x2c/0x3c
[  420.439170][T28141]  __dump_stack+0x30/0x40
[  420.439871][T28141]  dump_stack_lvl+0xf8/0x160
[  420.440621][T28141]  dump_stack+0x1c/0x5c
[  420.441257][T28141]  should_fail+0x3c0/0x51c
[  420.441928][T28141]  __should_failslab+0xbc/0x10c
[  420.442622][T28141]  should_failslab+0x10/0x28
[  420.443363][T28141]  slab_pre_alloc_hook+0x64/0xec
[  420.444180][T28141]  kmem_cache_alloc+0x94/0x3e4
[  420.445010][T28141]  __d_alloc+0x3c/0x65c
[  420.445745][T28141]  d_alloc_parallel+0x80/0x1104
[  420.446551][T28141]  __lookup_slow+0x104/0x380
[  420.447330][T28141]  lookup_one_len+0x178/0x28c
[  420.448082][T28141]  start_creating+0x19c/0x2e0
[  420.448837][T28141]  debugfs_create_dir+0x30/0x3f4
[  420.449668][T28141]  nbd_start_device+0x3c8/0xb40
[  420.450492][T28141]  nbd_ioctl+0x514/0xc50
[  420.451195][T28141]  blkdev_ioctl+0x5f8/0xbb8
[  420.451894][T28141]  block_ioctl+0xa4/0x118
[  420.452593][T28141]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.453409][T28141]  invoke_syscall+0x98/0x2b8
[  420.454188][T28141]  el0_svc_common+0x138/0x258
[  420.454969][T28141]  do_el0_svc+0x58/0x14c
[  420.455620][T28141]  el0_svc+0x78/0x1e0
[  420.456292][T28141]  el0t_64_sync_handler+0xcc/0xe4
[  420.457127][T28141]  el0t_64_sync+0x1a0/0x1a4
[  420.459179][T28141] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.496495][T28169] block nbd2: shutting down sockets
[  420.497205][T28168] block nbd1: shutting down sockets
[  420.497739][T28170] block nbd4: shutting down sockets
[  420.514469][T28155] FAULT_INJECTION: forcing a failure.
[  420.514469][T28155] name failslab, interval 1, probability 0, space 0, times 0
[  420.519456][T28155] CPU: 1 PID: 28155 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.521008][T28155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.522747][T28155] Call trace:
[  420.523303][T28155]  dump_backtrace+0x0/0x43c
[  420.524030][T28155]  show_stack+0x2c/0x3c
[  420.524697][T28155]  __dump_stack+0x30/0x40
[  420.525322][T28155]  dump_stack_lvl+0xf8/0x160
[  420.526070][T28155]  dump_stack+0x1c/0x5c
[  420.526711][T28155]  should_fail+0x3c0/0x51c
[  420.527364][T28155]  __should_failslab+0xbc/0x10c
[  420.528109][T28155]  should_failslab+0x10/0x28
[  420.528653][T28157] FAULT_INJECTION: forcing a failure.
[  420.528653][T28157] name failslab, interval 1, probability 0, space 0, times 0
[  420.528759][T28155]  slab_pre_alloc_hook+0x64/0xec
[  420.531534][T28155]  kmem_cache_alloc+0x94/0x3e4
[  420.532356][T28155]  new_inode_pseudo+0x10c/0x1fc
[  420.533168][T28155]  new_inode+0x38/0x174
[  420.533862][T28155]  debugfs_create_dir+0xec/0x3f4
[  420.534751][T28155]  nbd_start_device+0x3c8/0xb40
[  420.535573][T28155]  nbd_ioctl+0x514/0xc50
[  420.536227][T28155]  blkdev_ioctl+0x5f8/0xbb8
[  420.537008][T28155]  block_ioctl+0xa4/0x118
[  420.537675][T28155]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.538496][T28155]  invoke_syscall+0x98/0x2b8
[  420.539239][T28155]  el0_svc_common+0x138/0x258
[  420.540004][T28155]  do_el0_svc+0x58/0x14c
[  420.540661][T28155]  el0_svc+0x78/0x1e0
[  420.541266][T28155]  el0t_64_sync_handler+0xcc/0xe4
[  420.541446][T28153] FAULT_INJECTION: forcing a failure.
[  420.541446][T28153] name failslab, interval 1, probability 0, space 0, times 0
[  420.542060][T28155]  el0t_64_sync+0x1a0/0x1a4
[  420.544783][T28153] CPU: 0 PID: 28153 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.546302][T28153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.547898][T28153] Call trace:
[  420.548386][T28153]  dump_backtrace+0x0/0x43c
[  420.549132][T28153]  show_stack+0x2c/0x3c
[  420.549835][T28153]  __dump_stack+0x30/0x40
[  420.550370][T28155] debugfs: out of free dentries, can not create directory 'nbd4'
[  420.550585][T28153]  dump_stack_lvl+0xf8/0x160
[  420.552119][T28155] block nbd4: Failed to create debugfs dir for 'nbd4'
[  420.552459][T28153]  dump_stack+0x1c/0x5c
[  420.554216][T28153]  should_fail+0x3c0/0x51c
[  420.554914][T28153]  __should_failslab+0xbc/0x10c
[  420.555682][T28153]  should_failslab+0x10/0x28
[  420.556393][T28153]  slab_pre_alloc_hook+0x64/0xec
[  420.557128][T28153]  __kmalloc_node+0xb8/0x520
[  420.557816][T28153]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.558723][T28153]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.559609][T28153]  nbd_start_device+0x14c/0xb40
[  420.560386][T28153]  nbd_ioctl+0x514/0xc50
[  420.561052][T28153]  blkdev_ioctl+0x5f8/0xbb8
[  420.561749][T28153]  block_ioctl+0xa4/0x118
[  420.562391][T28153]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.563142][T28153]  invoke_syscall+0x98/0x2b8
[  420.563856][T28153]  el0_svc_common+0x138/0x258
[  420.564571][T28153]  do_el0_svc+0x58/0x14c
[  420.565219][T28153]  el0_svc+0x78/0x1e0
[  420.565798][T28153]  el0t_64_sync_handler+0xcc/0xe4
[  420.566529][T28153]  el0t_64_sync+0x1a0/0x1a4
[  420.567221][T28157] CPU: 1 PID: 28157 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.568756][T28157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.570384][T28157] Call trace:
[  420.570918][T28157]  dump_backtrace+0x0/0x43c
[  420.571696][T28157]  show_stack+0x2c/0x3c
[  420.572305][T28157]  __dump_stack+0x30/0x40
[  420.572977][T28157]  dump_stack_lvl+0xf8/0x160
[  420.573672][T28157]  dump_stack+0x1c/0x5c
[  420.574320][T28157]  should_fail+0x3c0/0x51c
[  420.575056][T28157]  __should_failslab+0xbc/0x10c
[  420.575823][T28157]  should_failslab+0x10/0x28
[  420.576526][T28157]  slab_pre_alloc_hook+0x64/0xec
[  420.577317][T28157]  __kmalloc_node+0xb8/0x520
[  420.578035][T28157]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.578842][T28157]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.579660][T28157]  nbd_start_device+0x14c/0xb40
[  420.580526][T28157]  nbd_ioctl+0x514/0xc50
[  420.581230][T28157]  blkdev_ioctl+0x5f8/0xbb8
[  420.581948][T28157]  block_ioctl+0xa4/0x118
[  420.582629][T28157]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.583418][T28157]  invoke_syscall+0x98/0x2b8
[  420.584133][T28157]  el0_svc_common+0x138/0x258
[  420.584930][T28157]  do_el0_svc+0x58/0x14c
[  420.585637][T28157]  el0_svc+0x78/0x1e0
[  420.586300][T28157]  el0t_64_sync_handler+0xcc/0xe4
[  420.586407][T28164] block nbd3: shutting down sockets
[  420.587139][T28157]  el0t_64_sync+0x1a0/0x1a4
[  420.590103][T28153] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.594514][T28157] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.619158][T28167] block nbd0: shutting down sockets
[  420.628411][T28164] FAULT_INJECTION: forcing a failure.
[  420.628411][T28164] name failslab, interval 1, probability 0, space 0, times 0
[  420.630497][T28164] CPU: 0 PID: 28164 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.631986][T28164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.633643][T28164] Call trace:
[  420.634139][T28164]  dump_backtrace+0x0/0x43c
[  420.634843][T28164]  show_stack+0x2c/0x3c
[  420.635477][T28164]  __dump_stack+0x30/0x40
[  420.636169][T28164]  dump_stack_lvl+0xf8/0x160
[  420.636904][T28164]  dump_stack+0x1c/0x5c
[  420.637476][T28167] FAULT_INJECTION: forcing a failure.
[  420.637476][T28167] name failslab, interval 1, probability 0, space 0, times 0
[  420.637609][T28164]  should_fail+0x3c0/0x51c
[  420.640192][T28164]  __should_failslab+0xbc/0x10c
[  420.640940][T28164]  should_failslab+0x10/0x28
[  420.641642][T28164]  slab_pre_alloc_hook+0x64/0xec
[  420.642473][T28164]  __kmalloc_node+0xb8/0x520
[  420.643199][T28164]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.644013][T28164]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.644928][T28164]  nbd_start_device+0x14c/0xb40
[  420.645726][T28164]  nbd_ioctl+0x514/0xc50
[  420.646439][T28164]  blkdev_ioctl+0x5f8/0xbb8
[  420.647149][T28164]  block_ioctl+0xa4/0x118
[  420.647783][T28164]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.648522][T28164]  invoke_syscall+0x98/0x2b8
[  420.649227][T28164]  el0_svc_common+0x138/0x258
[  420.649920][T28164]  do_el0_svc+0x58/0x14c
[  420.650654][T28164]  el0_svc+0x78/0x1e0
[  420.651293][T28164]  el0t_64_sync_handler+0xcc/0xe4
[  420.652072][T28164]  el0t_64_sync+0x1a0/0x1a4
[  420.652826][T28167] CPU: 1 PID: 28167 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.654313][T28167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.655876][T28167] Call trace:
[  420.656399][T28167]  dump_backtrace+0x0/0x43c
[  420.657136][T28167]  show_stack+0x2c/0x3c
[  420.657795][T28167]  __dump_stack+0x30/0x40
[  420.658008][T28164] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.658490][T28167]  dump_stack_lvl+0xf8/0x160
[  420.660252][T28167]  dump_stack+0x1c/0x5c
[  420.660919][T28167]  should_fail+0x3c0/0x51c
[  420.661543][T28167]  __should_failslab+0xbc/0x10c
[  420.662317][T28167]  should_failslab+0x10/0x28
[  420.663006][T28167]  slab_pre_alloc_hook+0x64/0xec
[  420.663761][T28167]  kmem_cache_alloc+0x94/0x3e4
[  420.664439][T28167]  new_inode_pseudo+0x10c/0x1fc
[  420.665193][T28167]  new_inode+0x38/0x174
[  420.665833][T28167]  debugfs_create_dir+0xec/0x3f4
[  420.666592][T28167]  nbd_start_device+0x3c8/0xb40
[  420.667315][T28167]  nbd_ioctl+0x514/0xc50
[  420.667934][T28167]  blkdev_ioctl+0x5f8/0xbb8
[  420.668600][T28167]  block_ioctl+0xa4/0x118
[  420.669336][T28167]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.670167][T28167]  invoke_syscall+0x98/0x2b8
[  420.670961][T28167]  el0_svc_common+0x138/0x258
[  420.671701][T28167]  do_el0_svc+0x58/0x14c
[  420.672354][T28167]  el0_svc+0x78/0x1e0
[  420.673078][T28167]  el0t_64_sync_handler+0xcc/0xe4
[  420.673882][T28167]  el0t_64_sync+0x1a0/0x1a4
[  420.675717][T28167] debugfs: out of free dentries, can not create directory 'nbd0'
[  420.677248][T28167] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.707140][T28179] block nbd1: shutting down sockets
[  420.708397][T28185] block nbd4: shutting down sockets
[  420.717232][T28185] FAULT_INJECTION: forcing a failure.
[  420.717232][T28185] name failslab, interval 1, probability 0, space 0, times 0
[  420.719272][T28185] CPU: 0 PID: 28185 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.720808][T28185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.722414][T28185] Call trace:
[  420.722929][T28185]  dump_backtrace+0x0/0x43c
[  420.723628][T28185]  show_stack+0x2c/0x3c
[  420.724335][T28185]  __dump_stack+0x30/0x40
[  420.725040][T28185]  dump_stack_lvl+0xf8/0x160
[  420.725676][T28185]  dump_stack+0x1c/0x5c
[  420.726325][T28185]  should_fail+0x3c0/0x51c
[  420.727007][T28185]  __should_failslab+0xbc/0x10c
[  420.727715][T28185]  should_failslab+0x10/0x28
[  420.728386][T28185]  slab_pre_alloc_hook+0x64/0xec
[  420.729104][T28185]  kmem_cache_alloc+0x94/0x3e4
[  420.729881][T28185]  new_inode_pseudo+0x10c/0x1fc
[  420.730627][T28185]  new_inode+0x38/0x174
[  420.731251][T28185]  debugfs_create_dir+0xec/0x3f4
[  420.731997][T28185]  nbd_start_device+0x3c8/0xb40
[  420.732769][T28185]  nbd_ioctl+0x514/0xc50
[  420.733402][T28185]  blkdev_ioctl+0x5f8/0xbb8
[  420.734106][T28185]  block_ioctl+0xa4/0x118
[  420.734756][T28185]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.735452][T28185]  invoke_syscall+0x98/0x2b8
[  420.736179][T28185]  el0_svc_common+0x138/0x258
[  420.736890][T28185]  do_el0_svc+0x58/0x14c
[  420.737502][T28185]  el0_svc+0x78/0x1e0
[  420.738108][T28185]  el0t_64_sync_handler+0xcc/0xe4
[  420.738798][T28185]  el0t_64_sync+0x1a0/0x1a4
[  420.749405][T28189] block nbd2: shutting down sockets
[  420.758600][T28179] FAULT_INJECTION: forcing a failure.
[  420.758600][T28179] name failslab, interval 1, probability 0, space 0, times 0
[  420.766465][T28179] CPU: 0 PID: 28179 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.767987][T28179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.769649][T28179] Call trace:
[  420.770158][T28179]  dump_backtrace+0x0/0x43c
[  420.770847][T28179]  show_stack+0x2c/0x3c
[  420.771565][T28179]  __dump_stack+0x30/0x40
[  420.772301][T28179]  dump_stack_lvl+0xf8/0x160
[  420.773042][T28179]  dump_stack+0x1c/0x5c
[  420.773758][T28179]  should_fail+0x3c0/0x51c
[  420.774500][T28179]  __should_failslab+0xbc/0x10c
[  420.775295][T28179]  should_failslab+0x10/0x28
[  420.775985][T28179]  slab_pre_alloc_hook+0x64/0xec
[  420.776728][T28179]  __kmalloc_node+0xb8/0x520
[  420.777447][T28179]  blk_mq_update_nr_hw_queues+0x54c/0xbfc
[  420.778354][T28179]  nbd_start_device+0x14c/0xb40
[  420.779208][T28179]  nbd_ioctl+0x514/0xc50
[  420.779916][T28179]  blkdev_ioctl+0x5f8/0xbb8
[  420.780678][T28179]  block_ioctl+0xa4/0x118
[  420.781407][T28179]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.782249][T28179]  invoke_syscall+0x98/0x2b8
[  420.782984][T28179]  el0_svc_common+0x138/0x258
[  420.783700][T28179]  do_el0_svc+0x58/0x14c
[  420.784369][T28179]  el0_svc+0x78/0x1e0
[  420.785037][T28179]  el0t_64_sync_handler+0xcc/0xe4
[  420.785859][T28179]  el0t_64_sync+0x1a0/0x1a4
[  420.804195][T28185] debugfs: out of free dentries, can not create directory 'nbd4'
[  420.805654][T28185] block nbd4: Failed to create debugfs dir for 'nbd4'
[  420.850197][T28184] FAULT_INJECTION: forcing a failure.
[  420.850197][T28184] name failslab, interval 1, probability 0, space 0, times 0
[  420.852216][T28184] CPU: 1 PID: 28184 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.853720][T28184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.855364][T28184] Call trace:
[  420.855886][T28184]  dump_backtrace+0x0/0x43c
[  420.856631][T28184]  show_stack+0x2c/0x3c
[  420.857297][T28184]  __dump_stack+0x30/0x40
[  420.857976][T28184]  dump_stack_lvl+0xf8/0x160
[  420.858752][T28184]  dump_stack+0x1c/0x5c
[  420.859387][T28184]  should_fail+0x3c0/0x51c
[  420.860096][T28184]  __should_failslab+0xbc/0x10c
[  420.860884][T28184]  should_failslab+0x10/0x28
[  420.861619][T28184]  slab_pre_alloc_hook+0x64/0xec
[  420.862351][T28184]  __kmalloc_node+0xb8/0x520
[  420.863081][T28184]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  420.863916][T28184]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  420.864822][T28184]  nbd_start_device+0x14c/0xb40
[  420.865635][T28184]  nbd_ioctl+0x514/0xc50
[  420.866322][T28184]  blkdev_ioctl+0x5f8/0xbb8
[  420.867013][T28184]  block_ioctl+0xa4/0x118
[  420.867703][T28184]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.868437][T28184]  invoke_syscall+0x98/0x2b8
[  420.869107][T28184]  el0_svc_common+0x138/0x258
[  420.869832][T28184]  do_el0_svc+0x58/0x14c
[  420.870453][T28184]  el0_svc+0x78/0x1e0
[  420.871071][T28184]  el0t_64_sync_handler+0xcc/0xe4
[  420.871907][T28184]  el0t_64_sync+0x1a0/0x1a4
[  420.875787][T28191] block nbd3: shutting down sockets
[  420.887677][T28199] block nbd0: shutting down sockets
[  420.889091][T28184] Increasing nr_hw_queues to 2 fails, fallback to 1
[  420.929276][T28199] FAULT_INJECTION: forcing a failure.
[  420.929276][T28199] name failslab, interval 1, probability 0, space 0, times 0
[  420.931741][T28199] CPU: 1 PID: 28199 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.933252][T28199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.934949][T28199] Call trace:
[  420.935438][T28199]  dump_backtrace+0x0/0x43c
[  420.936112][T28199]  show_stack+0x2c/0x3c
[  420.936374][T28202] block nbd4: shutting down sockets
[  420.936799][T28199]  __dump_stack+0x30/0x40
[  420.938373][T28199]  dump_stack_lvl+0xf8/0x160
[  420.939172][T28199]  dump_stack+0x1c/0x5c
[  420.939873][T28199]  should_fail+0x3c0/0x51c
[  420.940559][T28199]  __should_failslab+0xbc/0x10c
[  420.941288][T28199]  should_failslab+0x10/0x28
[  420.941978][T28199]  slab_pre_alloc_hook+0x64/0xec
[  420.942766][T28199]  kmem_cache_alloc+0x94/0x3e4
[  420.943493][T28199]  new_inode_pseudo+0x10c/0x1fc
[  420.944296][T28199]  new_inode+0x38/0x174
[  420.944940][T28199]  debugfs_create_dir+0xec/0x3f4
[  420.945762][T28199]  nbd_start_device+0x3c8/0xb40
[  420.946521][T28199]  nbd_ioctl+0x514/0xc50
[  420.947247][T28199]  blkdev_ioctl+0x5f8/0xbb8
[  420.947969][T28199]  block_ioctl+0xa4/0x118
[  420.948663][T28199]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.949433][T28199]  invoke_syscall+0x98/0x2b8
[  420.950128][T28199]  el0_svc_common+0x138/0x258
[  420.950892][T28199]  do_el0_svc+0x58/0x14c
[  420.951537][T28199]  el0_svc+0x78/0x1e0
[  420.952191][T28199]  el0t_64_sync_handler+0xcc/0xe4
[  420.953064][T28199]  el0t_64_sync+0x1a0/0x1a4
[  420.957704][T28199] debugfs: out of free dentries, can not create directory 'nbd0'
[  420.959237][T28199] block nbd0: Failed to create debugfs dir for 'nbd0'
[  420.960544][T28202] FAULT_INJECTION: forcing a failure.
[  420.960544][T28202] name failslab, interval 1, probability 0, space 0, times 0
[  420.962649][T28202] CPU: 1 PID: 28202 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.964123][T28202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.965632][T28202] Call trace:
[  420.966090][T28202]  dump_backtrace+0x0/0x43c
[  420.966782][T28202]  show_stack+0x2c/0x3c
[  420.967384][T28202]  __dump_stack+0x30/0x40
[  420.968019][T28202]  dump_stack_lvl+0xf8/0x160
[  420.968704][T28202]  dump_stack+0x1c/0x5c
[  420.969321][T28202]  should_fail+0x3c0/0x51c
[  420.970065][T28202]  __should_failslab+0xbc/0x10c
[  420.970891][T28202]  should_failslab+0x10/0x28
[  420.971680][T28202]  slab_pre_alloc_hook+0x64/0xec
[  420.972558][T28202]  kmem_cache_alloc+0x94/0x3e4
[  420.973354][T28202]  new_inode_pseudo+0x10c/0x1fc
[  420.974187][T28202]  new_inode+0x38/0x174
[  420.974826][T28202]  debugfs_create_dir+0xec/0x3f4
[  420.975615][T28202]  nbd_start_device+0x3c8/0xb40
[  420.976517][T28202]  nbd_ioctl+0x514/0xc50
[  420.977236][T28202]  blkdev_ioctl+0x5f8/0xbb8
[  420.977954][T28202]  block_ioctl+0xa4/0x118
[  420.978666][T28202]  __arm64_sys_ioctl+0x14c/0x1c8
[  420.979487][T28202]  invoke_syscall+0x98/0x2b8
[  420.980159][T28202]  el0_svc_common+0x138/0x258
[  420.980949][T28202]  do_el0_svc+0x58/0x14c
[  420.981637][T28202]  el0_svc+0x78/0x1e0
[  420.982290][T28202]  el0t_64_sync_handler+0xcc/0xe4
[  420.983101][T28202]  el0t_64_sync+0x1a0/0x1a4
[  420.992428][T28191] FAULT_INJECTION: forcing a failure.
[  420.992428][T28191] name failslab, interval 1, probability 0, space 0, times 0
[  420.994468][T28191] CPU: 1 PID: 28191 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  420.995853][T28191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  420.997474][T28191] Call trace:
[  420.997984][T28191]  dump_backtrace+0x0/0x43c
[  420.998682][T28191]  show_stack+0x2c/0x3c
[  420.999337][T28191]  __dump_stack+0x30/0x40
[  421.000009][T28191]  dump_stack_lvl+0xf8/0x160
[  421.000739][T28191]  dump_stack+0x1c/0x5c
[  421.001395][T28191]  should_fail+0x3c0/0x51c
[  421.002131][T28191]  __should_failslab+0xbc/0x10c
[  421.002831][T28202] debugfs: out of free dentries, can not create directory 'nbd4'
[  421.002894][T28191]  should_failslab+0x10/0x28
[  421.004759][T28202] block nbd4: Failed to create debugfs dir for 'nbd4'
[  421.004956][T28191]  slab_pre_alloc_hook+0x64/0xec
[  421.006754][T28191]  __kmalloc_node+0xb8/0x520
[  421.007433][T28191]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.008246][T28191]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.009148][T28191]  nbd_start_device+0x14c/0xb40
[  421.009885][T28191]  nbd_ioctl+0x514/0xc50
[  421.010621][T28191]  blkdev_ioctl+0x5f8/0xbb8
[  421.011284][T28191]  block_ioctl+0xa4/0x118
[  421.011923][T28191]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.012718][T28191]  invoke_syscall+0x98/0x2b8
[  421.013479][T28191]  el0_svc_common+0x138/0x258
[  421.014205][T28191]  do_el0_svc+0x58/0x14c
[  421.014926][T28191]  el0_svc+0x78/0x1e0
[  421.015583][T28191]  el0t_64_sync_handler+0xcc/0xe4
[  421.016406][T28191]  el0t_64_sync+0x1a0/0x1a4
[  421.024806][T28191] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.027218][T28204] block nbd1: shutting down sockets
[  421.070558][T28204] FAULT_INJECTION: forcing a failure.
[  421.070558][T28204] name failslab, interval 1, probability 0, space 0, times 0
[  421.072682][T28204] CPU: 0 PID: 28204 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.074079][T28204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.075739][T28204] Call trace:
[  421.076282][T28204]  dump_backtrace+0x0/0x43c
[  421.077018][T28204]  show_stack+0x2c/0x3c
[  421.077728][T28204]  __dump_stack+0x30/0x40
[  421.078414][T28204]  dump_stack_lvl+0xf8/0x160
[  421.079103][T28204]  dump_stack+0x1c/0x5c
[  421.079786][T28204]  should_fail+0x3c0/0x51c
[  421.080474][T28204]  __should_failslab+0xbc/0x10c
[  421.081259][T28204]  should_failslab+0x10/0x28
[  421.082040][T28204]  slab_pre_alloc_hook+0x64/0xec
[  421.082850][T28204]  __kmalloc_node+0xb8/0x520
[  421.083653][T28204]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.084571][T28204]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.085568][T28204]  nbd_start_device+0x14c/0xb40
[  421.086447][T28204]  nbd_ioctl+0x514/0xc50
[  421.087151][T28204]  blkdev_ioctl+0x5f8/0xbb8
[  421.087892][T28204]  block_ioctl+0xa4/0x118
[  421.088611][T28204]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.089419][T28204]  invoke_syscall+0x98/0x2b8
[  421.090167][T28204]  el0_svc_common+0x138/0x258
[  421.090898][T28204]  do_el0_svc+0x58/0x14c
[  421.091619][T28204]  el0_svc+0x78/0x1e0
[  421.092339][T28204]  el0t_64_sync_handler+0xcc/0xe4
[  421.093182][T28204]  el0t_64_sync+0x1a0/0x1a4
[  421.110698][T28204] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.148099][T28227] block nbd4: shutting down sockets
[  421.157249][T28226] block nbd0: shutting down sockets
[  421.158216][T28228] block nbd3: shutting down sockets
[  421.159161][T28220] block nbd2: shutting down sockets
[  421.171699][T28226] FAULT_INJECTION: forcing a failure.
[  421.171699][T28226] name failslab, interval 1, probability 0, space 0, times 0
[  421.180331][T28226] CPU: 0 PID: 28226 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.181802][T28226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.183454][T28226] Call trace:
[  421.183965][T28226]  dump_backtrace+0x0/0x43c
[  421.184698][T28226]  show_stack+0x2c/0x3c
[  421.185372][T28226]  __dump_stack+0x30/0x40
[  421.186058][T28226]  dump_stack_lvl+0xf8/0x160
[  421.186719][T28226]  dump_stack+0x1c/0x5c
[  421.187352][T28226]  should_fail+0x3c0/0x51c
[  421.188032][T28226]  __should_failslab+0xbc/0x10c
[  421.188770][T28226]  should_failslab+0x10/0x28
[  421.189529][T28226]  slab_pre_alloc_hook+0x64/0xec
[  421.190223][T28226]  kmem_cache_alloc+0x94/0x3e4
[  421.190936][T28226]  new_inode_pseudo+0x10c/0x1fc
[  421.191675][T28226]  new_inode+0x38/0x174
[  421.192323][T28226]  debugfs_create_dir+0xec/0x3f4
[  421.193152][T28226]  nbd_start_device+0x3c8/0xb40
[  421.193894][T28226]  nbd_ioctl+0x514/0xc50
[  421.194555][T28226]  blkdev_ioctl+0x5f8/0xbb8
[  421.195246][T28226]  block_ioctl+0xa4/0x118
[  421.195918][T28226]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.196670][T28226]  invoke_syscall+0x98/0x2b8
[  421.197374][T28226]  el0_svc_common+0x138/0x258
[  421.198115][T28226]  do_el0_svc+0x58/0x14c
[  421.198791][T28226]  el0_svc+0x78/0x1e0
[  421.199430][T28226]  el0t_64_sync_handler+0xcc/0xe4
[  421.200221][T28226]  el0t_64_sync+0x1a0/0x1a4
[  421.207040][T28226] debugfs: out of free dentries, can not create directory 'nbd0'
[  421.208579][T28227] FAULT_INJECTION: forcing a failure.
[  421.208579][T28227] name failslab, interval 1, probability 0, space 0, times 0
[  421.213427][T28227] CPU: 0 PID: 28227 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.214822][T28227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.216621][T28227] Call trace:
[  421.217184][T28227]  dump_backtrace+0x0/0x43c
[  421.217424][T28235] block nbd1: shutting down sockets
[  421.217951][T28227]  show_stack+0x2c/0x3c
[  421.219494][T28227]  __dump_stack+0x30/0x40
[  421.220161][T28227]  dump_stack_lvl+0xf8/0x160
[  421.220881][T28227]  dump_stack+0x1c/0x5c
[  421.221481][T28227]  should_fail+0x3c0/0x51c
[  421.222118][T28227]  __should_failslab+0xbc/0x10c
[  421.222862][T28227]  should_failslab+0x10/0x28
[  421.223595][T28227]  slab_pre_alloc_hook+0x64/0xec
[  421.224312][T28227]  kmem_cache_alloc+0x94/0x3e4
[  421.224979][T28227]  new_inode_pseudo+0x10c/0x1fc
[  421.225683][T28227]  new_inode+0x38/0x174
[  421.226325][T28227]  debugfs_create_dir+0xec/0x3f4
[  421.227149][T28227]  nbd_start_device+0x3c8/0xb40
[  421.227941][T28227]  nbd_ioctl+0x514/0xc50
[  421.228589][T28227]  blkdev_ioctl+0x5f8/0xbb8
[  421.229271][T28227]  block_ioctl+0xa4/0x118
[  421.229947][T28227]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.230739][T28227]  invoke_syscall+0x98/0x2b8
[  421.231501][T28227]  el0_svc_common+0x138/0x258
[  421.232292][T28227]  do_el0_svc+0x58/0x14c
[  421.232947][T28227]  el0_svc+0x78/0x1e0
[  421.233613][T28227]  el0t_64_sync_handler+0xcc/0xe4
[  421.234408][T28227]  el0t_64_sync+0x1a0/0x1a4
[  421.252134][T28228] FAULT_INJECTION: forcing a failure.
[  421.252134][T28228] name failslab, interval 1, probability 0, space 0, times 0
[  421.254293][T28228] CPU: 0 PID: 28228 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.255709][T28228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.257178][T28228] Call trace:
[  421.257653][T28228]  dump_backtrace+0x0/0x43c
[  421.258342][T28228]  show_stack+0x2c/0x3c
[  421.259075][T28228]  __dump_stack+0x30/0x40
[  421.259835][T28228]  dump_stack_lvl+0xf8/0x160
[  421.260584][T28228]  dump_stack+0x1c/0x5c
[  421.261170][T28228]  should_fail+0x3c0/0x51c
[  421.261797][T28228]  __should_failslab+0xbc/0x10c
[  421.262552][T28228]  should_failslab+0x10/0x28
[  421.263330][T28228]  slab_pre_alloc_hook+0x64/0xec
[  421.264096][T28228]  __kmalloc_node+0xb8/0x520
[  421.264803][T28228]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.265707][T28228]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.266565][T28228]  nbd_start_device+0x14c/0xb40
[  421.267325][T28228]  nbd_ioctl+0x514/0xc50
[  421.267906][T28220] FAULT_INJECTION: forcing a failure.
[  421.267906][T28220] name failslab, interval 1, probability 0, space 0, times 0
[  421.267979][T28228]  blkdev_ioctl+0x5f8/0xbb8
[  421.270789][T28228]  block_ioctl+0xa4/0x118
[  421.271400][T28228]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.272204][T28228]  invoke_syscall+0x98/0x2b8
[  421.272942][T28228]  el0_svc_common+0x138/0x258
[  421.273670][T28228]  do_el0_svc+0x58/0x14c
[  421.274327][T28228]  el0_svc+0x78/0x1e0
[  421.274968][T28228]  el0t_64_sync_handler+0xcc/0xe4
[  421.275829][T28228]  el0t_64_sync+0x1a0/0x1a4
[  421.277211][T28226] block nbd0: Failed to create debugfs dir for 'nbd0'
[  421.284652][T28220] CPU: 1 PID: 28220 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.286094][T28220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.287525][T28220] Call trace:
[  421.288039][T28220]  dump_backtrace+0x0/0x43c
[  421.288770][T28220]  show_stack+0x2c/0x3c
[  421.289423][T28220]  __dump_stack+0x30/0x40
[  421.290095][T28220]  dump_stack_lvl+0xf8/0x160
[  421.290828][T28220]  dump_stack+0x1c/0x5c
[  421.291517][T28220]  should_fail+0x3c0/0x51c
[  421.292218][T28220]  __should_failslab+0xbc/0x10c
[  421.293000][T28220]  should_failslab+0x10/0x28
[  421.293733][T28220]  slab_pre_alloc_hook+0x64/0xec
[  421.294545][T28220]  __kmalloc_node+0xb8/0x520
[  421.295291][T28220]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.296192][T28220]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.297110][T28220]  nbd_start_device+0x14c/0xb40
[  421.297910][T28220]  nbd_ioctl+0x514/0xc50
[  421.298564][T28220]  blkdev_ioctl+0x5f8/0xbb8
[  421.299288][T28220]  block_ioctl+0xa4/0x118
[  421.300024][T28220]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.300835][T28220]  invoke_syscall+0x98/0x2b8
[  421.301577][T28220]  el0_svc_common+0x138/0x258
[  421.302317][T28220]  do_el0_svc+0x58/0x14c
[  421.302954][T28220]  el0_svc+0x78/0x1e0
[  421.303540][T28220]  el0t_64_sync_handler+0xcc/0xe4
[  421.304265][T28220]  el0t_64_sync+0x1a0/0x1a4
[  421.310964][T28235] FAULT_INJECTION: forcing a failure.
[  421.310964][T28235] name failslab, interval 1, probability 0, space 0, times 0
[  421.312967][T28235] CPU: 1 PID: 28235 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.314419][T28235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.315876][T28235] Call trace:
[  421.316344][T28235]  dump_backtrace+0x0/0x43c
[  421.317055][T28235]  show_stack+0x2c/0x3c
[  421.317645][T28235]  __dump_stack+0x30/0x40
[  421.318424][T28235]  dump_stack_lvl+0xf8/0x160
[  421.319206][T28235]  dump_stack+0x1c/0x5c
[  421.319861][T28235]  should_fail+0x3c0/0x51c
[  421.320259][T28228] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.320587][T28235]  __should_failslab+0xbc/0x10c
[  421.322408][T28235]  should_failslab+0x10/0x28
[  421.323112][T28235]  slab_pre_alloc_hook+0x64/0xec
[  421.323884][T28235]  __kmalloc_node+0xb8/0x520
[  421.324631][T28235]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.325568][T28235]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.326509][T28235]  nbd_start_device+0x14c/0xb40
[  421.327314][T28235]  nbd_ioctl+0x514/0xc50
[  421.328044][T28235]  blkdev_ioctl+0x5f8/0xbb8
[  421.328801][T28235]  block_ioctl+0xa4/0x118
[  421.329455][T28235]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.330310][T28235]  invoke_syscall+0x98/0x2b8
[  421.331052][T28235]  el0_svc_common+0x138/0x258
[  421.331855][T28235]  do_el0_svc+0x58/0x14c
[  421.332591][T28235]  el0_svc+0x78/0x1e0
[  421.333262][T28235]  el0t_64_sync_handler+0xcc/0xe4
[  421.334068][T28235]  el0t_64_sync+0x1a0/0x1a4
[  421.335989][T28227] debugfs: out of free dentries, can not create directory 'nbd4'
[  421.338558][T28227] block nbd4: Failed to create debugfs dir for 'nbd4'
[  421.342600][T28220] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.347862][T28235] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.397281][T28249] block nbd0: shutting down sockets
[  421.409195][T28249] FAULT_INJECTION: forcing a failure.
[  421.409195][T28249] name failslab, interval 1, probability 0, space 0, times 0
[  421.411512][T28249] CPU: 0 PID: 28249 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.412950][T28249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.414471][T28249] Call trace:
[  421.415001][T28249]  dump_backtrace+0x0/0x43c
[  421.415670][T28249]  show_stack+0x2c/0x3c
[  421.416317][T28249]  __dump_stack+0x30/0x40
[  421.416980][T28249]  dump_stack_lvl+0xf8/0x160
[  421.417728][T28249]  dump_stack+0x1c/0x5c
[  421.418424][T28249]  should_fail+0x3c0/0x51c
[  421.419141][T28249]  __should_failslab+0xbc/0x10c
[  421.419948][T28249]  should_failslab+0x10/0x28
[  421.420740][T28249]  slab_pre_alloc_hook+0x64/0xec
[  421.421517][T28249]  kmem_cache_alloc+0x94/0x3e4
[  421.422363][T28249]  new_inode_pseudo+0x10c/0x1fc
[  421.423173][T28249]  new_inode+0x38/0x174
[  421.423866][T28249]  debugfs_create_dir+0xec/0x3f4
[  421.424658][T28249]  nbd_start_device+0x3c8/0xb40
[  421.425452][T28249]  nbd_ioctl+0x514/0xc50
[  421.426143][T28249]  blkdev_ioctl+0x5f8/0xbb8
[  421.426912][T28249]  block_ioctl+0xa4/0x118
[  421.427626][T28249]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.428445][T28249]  invoke_syscall+0x98/0x2b8
[  421.429262][T28249]  el0_svc_common+0x138/0x258
[  421.430074][T28249]  do_el0_svc+0x58/0x14c
[  421.430775][T28249]  el0_svc+0x78/0x1e0
[  421.431470][T28249]  el0t_64_sync_handler+0xcc/0xe4
[  421.432242][T28249]  el0t_64_sync+0x1a0/0x1a4
[  421.438117][T28249] debugfs: out of free dentries, can not create directory 'nbd0'
[  421.439675][T28249] block nbd0: Failed to create debugfs dir for 'nbd0'
[  421.457809][T28252] FAULT_INJECTION: forcing a failure.
[  421.457809][T28252] name fail_futex, interval 1, probability 0, space 0, times 0
[  421.460025][T28252] CPU: 1 PID: 28252 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.461359][T28252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.462831][T28252] Call trace:
[  421.463328][T28252]  dump_backtrace+0x0/0x43c
[  421.464080][T28252]  show_stack+0x2c/0x3c
[  421.464765][T28252]  __dump_stack+0x30/0x40
[  421.465500][T28252]  dump_stack_lvl+0xf8/0x160
[  421.466185][T28252]  dump_stack+0x1c/0x5c
[  421.466821][T28252]  should_fail+0x3c0/0x51c
[  421.467530][T28252]  get_futex_key+0x658/0xb90
[  421.468266][T28252]  futex_wake+0xf4/0x4f4
[  421.469022][T28252]  do_futex+0x1684/0x257c
[  421.469758][T28252]  __arm64_sys_futex+0x388/0x400
[  421.470592][T28252]  invoke_syscall+0x98/0x2b8
[  421.471370][T28252]  el0_svc_common+0x138/0x258
[  421.472151][T28252]  do_el0_svc+0x58/0x14c
[  421.472828][T28252]  el0_svc+0x78/0x1e0
[  421.473473][T28252]  el0t_64_sync_handler+0xcc/0xe4
[  421.474315][T28252]  el0t_64_sync+0x1a0/0x1a4
[  421.489700][T28257] block nbd1: shutting down sockets
[  421.490286][T28258] block nbd3: shutting down sockets
[  421.543340][T28257] FAULT_INJECTION: forcing a failure.
[  421.543340][T28257] name failslab, interval 1, probability 0, space 0, times 0
[  421.548280][T28256] block nbd4: shutting down sockets
[  421.557324][T28257] CPU: 0 PID: 28257 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.558842][T28257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.560523][T28257] Call trace:
[  421.561043][T28257]  dump_backtrace+0x0/0x43c
[  421.561780][T28257]  show_stack+0x2c/0x3c
[  421.562453][T28257]  __dump_stack+0x30/0x40
[  421.563154][T28257]  dump_stack_lvl+0xf8/0x160
[  421.563910][T28257]  dump_stack+0x1c/0x5c
[  421.564507][T28257]  should_fail+0x3c0/0x51c
[  421.565217][T28257]  __should_failslab+0xbc/0x10c
[  421.566070][T28257]  should_failslab+0x10/0x28
[  421.566770][T28257]  slab_pre_alloc_hook+0x64/0xec
[  421.567439][T28257]  __kmalloc_node+0xb8/0x520
[  421.568111][T28257]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.568934][T28257]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.569898][T28257]  nbd_start_device+0x14c/0xb40
[  421.570683][T28257]  nbd_ioctl+0x514/0xc50
[  421.571413][T28257]  blkdev_ioctl+0x5f8/0xbb8
[  421.572093][T28257]  block_ioctl+0xa4/0x118
[  421.572692][T28257]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.573567][T28257]  invoke_syscall+0x98/0x2b8
[  421.574371][T28257]  el0_svc_common+0x138/0x258
[  421.575167][T28257]  do_el0_svc+0x58/0x14c
[  421.575856][T28257]  el0_svc+0x78/0x1e0
[  421.576469][T28257]  el0t_64_sync_handler+0xcc/0xe4
[  421.577264][T28257]  el0t_64_sync+0x1a0/0x1a4
[  421.588023][T28256] FAULT_INJECTION: forcing a failure.
[  421.588023][T28256] name failslab, interval 1, probability 0, space 0, times 0
[  421.590127][T28256] CPU: 1 PID: 28256 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.591641][T28256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.593132][T28256] Call trace:
[  421.593614][T28256]  dump_backtrace+0x0/0x43c
[  421.594331][T28256]  show_stack+0x2c/0x3c
[  421.594887][T28256]  __dump_stack+0x30/0x40
[  421.595257][T28257] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.595559][T28256]  dump_stack_lvl+0xf8/0x160
[  421.597330][T28256]  dump_stack+0x1c/0x5c
[  421.598006][T28256]  should_fail+0x3c0/0x51c
[  421.598659][T28256]  __should_failslab+0xbc/0x10c
[  421.599478][T28256]  should_failslab+0x10/0x28
[  421.600229][T28256]  slab_pre_alloc_hook+0x64/0xec
[  421.601012][T28256]  kmem_cache_alloc+0x94/0x3e4
[  421.601777][T28256]  new_inode_pseudo+0x10c/0x1fc
[  421.602580][T28256]  new_inode+0x38/0x174
[  421.603215][T28258] FAULT_INJECTION: forcing a failure.
[  421.603215][T28258] name failslab, interval 1, probability 0, space 0, times 0
[  421.605277][T28256]  debugfs_create_dir+0xec/0x3f4
[  421.606080][T28256]  nbd_start_device+0x3c8/0xb40
[  421.606811][T28256]  nbd_ioctl+0x514/0xc50
[  421.607403][T28256]  blkdev_ioctl+0x5f8/0xbb8
[  421.608028][T28256]  block_ioctl+0xa4/0x118
[  421.608672][T28256]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.609465][T28256]  invoke_syscall+0x98/0x2b8
[  421.610181][T28256]  el0_svc_common+0x138/0x258
[  421.610890][T28256]  do_el0_svc+0x58/0x14c
[  421.611549][T28256]  el0_svc+0x78/0x1e0
[  421.612225][T28256]  el0t_64_sync_handler+0xcc/0xe4
[  421.613033][T28256]  el0t_64_sync+0x1a0/0x1a4
[  421.613841][T28258] CPU: 0 PID: 28258 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.615509][T28258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.617167][T28258] Call trace:
[  421.617698][T28258]  dump_backtrace+0x0/0x43c
[  421.618456][T28258]  show_stack+0x2c/0x3c
[  421.619107][T28258]  __dump_stack+0x30/0x40
[  421.619765][T28258]  dump_stack_lvl+0xf8/0x160
[  421.620432][T28258]  dump_stack+0x1c/0x5c
[  421.621099][T28258]  should_fail+0x3c0/0x51c
[  421.621785][T28258]  __should_failslab+0xbc/0x10c
[  421.622552][T28258]  should_failslab+0x10/0x28
[  421.623268][T28258]  slab_pre_alloc_hook+0x64/0xec
[  421.624008][T28258]  __kmalloc_node+0xb8/0x520
[  421.624689][T28258]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.625578][T28258]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.626528][T28258]  nbd_start_device+0x14c/0xb40
[  421.627293][T28258]  nbd_ioctl+0x514/0xc50
[  421.627955][T28258]  blkdev_ioctl+0x5f8/0xbb8
[  421.628702][T28258]  block_ioctl+0xa4/0x118
[  421.629409][T28258]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.630205][T28258]  invoke_syscall+0x98/0x2b8
[  421.630906][T28258]  el0_svc_common+0x138/0x258
[  421.631705][T28258]  do_el0_svc+0x58/0x14c
[  421.632396][T28258]  el0_svc+0x78/0x1e0
[  421.633019][T28258]  el0t_64_sync_handler+0xcc/0xe4
[  421.633830][T28258]  el0t_64_sync+0x1a0/0x1a4
[  421.647051][T28258] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.651071][T28274] block nbd2: shutting down sockets
[  421.678961][T28256] debugfs: out of free dentries, can not create directory 'nbd4'
[  421.688064][T28256] block nbd4: Failed to create debugfs dir for 'nbd4'
[  421.708564][T28278] block nbd0: shutting down sockets
[  421.729003][T28274] FAULT_INJECTION: forcing a failure.
[  421.729003][T28274] name failslab, interval 1, probability 0, space 0, times 0
[  421.730969][T28274] CPU: 0 PID: 28274 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.732338][T28274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.733920][T28274] Call trace:
[  421.734426][T28274]  dump_backtrace+0x0/0x43c
[  421.735123][T28274]  show_stack+0x2c/0x3c
[  421.735774][T28274]  __dump_stack+0x30/0x40
[  421.736383][T28297] FAULT_INJECTION: forcing a failure.
[  421.736383][T28297] name failslab, interval 1, probability 0, space 0, times 0
[  421.736502][T28274]  dump_stack_lvl+0xf8/0x160
[  421.739382][T28274]  dump_stack+0x1c/0x5c
[  421.740039][T28274]  should_fail+0x3c0/0x51c
[  421.740730][T28274]  __should_failslab+0xbc/0x10c
[  421.741503][T28274]  should_failslab+0x10/0x28
[  421.742240][T28274]  slab_pre_alloc_hook+0x64/0xec
[  421.742971][T28274]  __kmalloc_node+0xb8/0x520
[  421.743661][T28274]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.744442][T28274]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.745292][T28274]  nbd_start_device+0x14c/0xb40
[  421.746054][T28274]  nbd_ioctl+0x514/0xc50
[  421.746686][T28274]  blkdev_ioctl+0x5f8/0xbb8
[  421.747419][T28274]  block_ioctl+0xa4/0x118
[  421.748148][T28274]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.748966][T28274]  invoke_syscall+0x98/0x2b8
[  421.749680][T28274]  el0_svc_common+0x138/0x258
[  421.750396][T28274]  do_el0_svc+0x58/0x14c
[  421.751039][T28274]  el0_svc+0x78/0x1e0
[  421.751691][T28274]  el0t_64_sync_handler+0xcc/0xe4
[  421.752485][T28274]  el0t_64_sync+0x1a0/0x1a4
[  421.753203][T28297] CPU: 1 PID: 28297 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.754727][T28297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.755316][T28274] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.756290][T28297] Call trace:
[  421.756297][T28297]  dump_backtrace+0x0/0x43c
[  421.756311][T28297]  show_stack+0x2c/0x3c
[  421.756316][T28297]  __dump_stack+0x30/0x40
[  421.756323][T28297]  dump_stack_lvl+0xf8/0x160
[  421.756329][T28297]  dump_stack+0x1c/0x5c
[  421.756334][T28297]  should_fail+0x3c0/0x51c
[  421.756339][T28297]  __should_failslab+0xbc/0x10c
[  421.756346][T28297]  should_failslab+0x10/0x28
[  421.756351][T28297]  slab_pre_alloc_hook+0x64/0xec
[  421.756358][T28297]  kmem_cache_alloc+0x94/0x3e4
[  421.756363][T28297]  new_inode_pseudo+0x10c/0x1fc
[  421.756369][T28297]  new_inode+0x38/0x174
[  421.756373][T28297]  debugfs_create_dir+0xec/0x3f4
[  421.756379][T28297]  nbd_start_device+0x3c8/0xb40
[  421.756385][T28297]  nbd_ioctl+0x514/0xc50
[  421.756389][T28297]  blkdev_ioctl+0x5f8/0xbb8
[  421.756395][T28297]  block_ioctl+0xa4/0x118
[  421.756401][T28297]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.756406][T28297]  invoke_syscall+0x98/0x2b8
[  421.756412][T28297]  el0_svc_common+0x138/0x258
[  421.756417][T28297]  do_el0_svc+0x58/0x14c
[  421.756422][T28297]  el0_svc+0x78/0x1e0
[  421.756428][T28297]  el0t_64_sync_handler+0xcc/0xe4
[  421.756433][T28297]  el0t_64_sync+0x1a0/0x1a4
[  421.766741][T28297] debugfs: out of free dentries, can not create directory 'nbd0'
[  421.782021][T28297] block nbd0: Failed to create debugfs dir for 'nbd0'
[  421.808822][T28295] block nbd1: shutting down sockets
[  421.818801][T28304] block nbd3: shutting down sockets
[  421.830057][T28298] block nbd4: shutting down sockets
[  421.849388][T28295] FAULT_INJECTION: forcing a failure.
[  421.849388][T28295] name failslab, interval 1, probability 0, space 0, times 0
[  421.849641][T28298] FAULT_INJECTION: forcing a failure.
[  421.849641][T28298] name failslab, interval 1, probability 0, space 0, times 0
[  421.851748][T28295] CPU: 0 PID: 28295 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.854833][T28295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.856391][T28295] Call trace:
[  421.856944][T28295]  dump_backtrace+0x0/0x43c
[  421.857693][T28295]  show_stack+0x2c/0x3c
[  421.858342][T28295]  __dump_stack+0x30/0x40
[  421.859013][T28295]  dump_stack_lvl+0xf8/0x160
[  421.859714][T28295]  dump_stack+0x1c/0x5c
[  421.860337][T28295]  should_fail+0x3c0/0x51c
[  421.860997][T28295]  __should_failslab+0xbc/0x10c
[  421.861800][T28295]  should_failslab+0x10/0x28
[  421.862610][T28295]  slab_pre_alloc_hook+0x64/0xec
[  421.863431][T28295]  __kmalloc_node+0xb8/0x520
[  421.864171][T28295]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.864989][T28295]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.865908][T28295]  nbd_start_device+0x14c/0xb40
[  421.866595][T28295]  nbd_ioctl+0x514/0xc50
[  421.867294][T28295]  blkdev_ioctl+0x5f8/0xbb8
[  421.868054][T28295]  block_ioctl+0xa4/0x118
[  421.868764][T28295]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.869634][T28295]  invoke_syscall+0x98/0x2b8
[  421.870408][T28295]  el0_svc_common+0x138/0x258
[  421.871187][T28295]  do_el0_svc+0x58/0x14c
[  421.871881][T28295]  el0_svc+0x78/0x1e0
[  421.872502][T28295]  el0t_64_sync_handler+0xcc/0xe4
[  421.873295][T28295]  el0t_64_sync+0x1a0/0x1a4
[  421.874011][T28298] CPU: 1 PID: 28298 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.875495][T28298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.877220][T28298] Call trace:
[  421.877761][T28298]  dump_backtrace+0x0/0x43c
[  421.878514][T28298]  show_stack+0x2c/0x3c
[  421.878890][T28295] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.879138][T28298]  __dump_stack+0x30/0x40
[  421.879156][T28298]  dump_stack_lvl+0xf8/0x160
[  421.879163][T28298]  dump_stack+0x1c/0x5c
[  421.879169][T28298]  should_fail+0x3c0/0x51c
[  421.883021][T28298]  __should_failslab+0xbc/0x10c
[  421.883804][T28298]  should_failslab+0x10/0x28
[  421.884572][T28298]  slab_pre_alloc_hook+0x64/0xec
[  421.885366][T28298]  kmem_cache_alloc+0x94/0x3e4
[  421.886073][T28298]  new_inode_pseudo+0x10c/0x1fc
[  421.886753][T28298]  new_inode+0x38/0x174
[  421.887432][T28298]  debugfs_create_dir+0xec/0x3f4
[  421.888234][T28298]  nbd_start_device+0x3c8/0xb40
[  421.889004][T28298]  nbd_ioctl+0x514/0xc50
[  421.889648][T28298]  blkdev_ioctl+0x5f8/0xbb8
[  421.890405][T28298]  block_ioctl+0xa4/0x118
[  421.891095][T28298]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.891938][T28298]  invoke_syscall+0x98/0x2b8
[  421.892705][T28298]  el0_svc_common+0x138/0x258
[  421.893445][T28298]  do_el0_svc+0x58/0x14c
[  421.894136][T28298]  el0_svc+0x78/0x1e0
[  421.894784][T28298]  el0t_64_sync_handler+0xcc/0xe4
[  421.895624][T28298]  el0t_64_sync+0x1a0/0x1a4
[  421.908558][T28298] debugfs: out of free dentries, can not create directory 'nbd4'
[  421.910864][T28298] block nbd4: Failed to create debugfs dir for 'nbd4'
[  421.920019][T28312] block nbd0: shutting down sockets
[  421.935722][T28293] FAULT_INJECTION: forcing a failure.
[  421.935722][T28293] name failslab, interval 1, probability 0, space 0, times 0
[  421.939474][T28306] FAULT_INJECTION: forcing a failure.
[  421.939474][T28306] name failslab, interval 1, probability 0, space 0, times 0
[  421.941750][T28293] CPU: 1 PID: 28293 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.943177][T28293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.944788][T28293] Call trace:
[  421.945249][T28293]  dump_backtrace+0x0/0x43c
[  421.945934][T28293]  show_stack+0x2c/0x3c
[  421.946635][T28293]  __dump_stack+0x30/0x40
[  421.947352][T28293]  dump_stack_lvl+0xf8/0x160
[  421.948069][T28293]  dump_stack+0x1c/0x5c
[  421.948786][T28293]  should_fail+0x3c0/0x51c
[  421.949535][T28293]  __should_failslab+0xbc/0x10c
[  421.950325][T28293]  should_failslab+0x10/0x28
[  421.951077][T28293]  slab_pre_alloc_hook+0x64/0xec
[  421.951932][T28293]  __kmalloc_node+0xb8/0x520
[  421.952686][T28293]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  421.953496][T28293]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  421.954344][T28293]  nbd_start_device+0x14c/0xb40
[  421.955073][T28293]  nbd_ioctl+0x514/0xc50
[  421.955763][T28293]  blkdev_ioctl+0x5f8/0xbb8
[  421.956305][T28315] block nbd2: shutting down sockets
[  421.956423][T28293]  block_ioctl+0xa4/0x118
[  421.957970][T28293]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.958846][T28293]  invoke_syscall+0x98/0x2b8
[  421.959631][T28293]  el0_svc_common+0x138/0x258
[  421.960347][T28293]  do_el0_svc+0x58/0x14c
[  421.961004][T28293]  el0_svc+0x78/0x1e0
[  421.961618][T28293]  el0t_64_sync_handler+0xcc/0xe4
[  421.962395][T28293]  el0t_64_sync+0x1a0/0x1a4
[  421.963021][T28306] CPU: 0 PID: 28306 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  421.964560][T28306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  421.966221][T28306] Call trace:
[  421.966809][T28306]  dump_backtrace+0x0/0x43c
[  421.967581][T28306]  show_stack+0x2c/0x3c
[  421.968286][T28306]  __dump_stack+0x30/0x40
[  421.968989][T28306]  dump_stack_lvl+0xf8/0x160
[  421.969741][T28306]  dump_stack+0x1c/0x5c
[  421.970415][T28306]  should_fail+0x3c0/0x51c
[  421.971122][T28306]  __should_failslab+0xbc/0x10c
[  421.971917][T28306]  should_failslab+0x10/0x28
[  421.972696][T28306]  slab_pre_alloc_hook+0x64/0xec
[  421.973295][T28293] Increasing nr_hw_queues to 2 fails, fallback to 1
[  421.973547][T28306]  kmem_cache_alloc+0x94/0x3e4
[  421.975393][T28306]  new_inode_pseudo+0x10c/0x1fc
[  421.976175][T28306]  new_inode+0x38/0x174
[  421.976878][T28306]  debugfs_create_dir+0xec/0x3f4
[  421.977714][T28306]  nbd_start_device+0x3c8/0xb40
[  421.978525][T28306]  nbd_ioctl+0x514/0xc50
[  421.979241][T28306]  blkdev_ioctl+0x5f8/0xbb8
[  421.979915][T28306]  block_ioctl+0xa4/0x118
[  421.980615][T28306]  __arm64_sys_ioctl+0x14c/0x1c8
[  421.981507][T28306]  invoke_syscall+0x98/0x2b8
[  421.982276][T28306]  el0_svc_common+0x138/0x258
[  421.983036][T28306]  do_el0_svc+0x58/0x14c
[  421.983741][T28306]  el0_svc+0x78/0x1e0
[  421.984384][T28306]  el0t_64_sync_handler+0xcc/0xe4
[  421.985192][T28306]  el0t_64_sync+0x1a0/0x1a4
[  421.999297][T28306] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.007029][T28306] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.018175][T28309] FAULT_INJECTION: forcing a failure.
[  422.018175][T28309] name failslab, interval 1, probability 0, space 0, times 0
[  422.020272][T28309] CPU: 0 PID: 28309 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.021761][T28309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.023392][T28309] Call trace:
[  422.023962][T28309]  dump_backtrace+0x0/0x43c
[  422.024670][T28309]  show_stack+0x2c/0x3c
[  422.025324][T28309]  __dump_stack+0x30/0x40
[  422.026031][T28309]  dump_stack_lvl+0xf8/0x160
[  422.026775][T28309]  dump_stack+0x1c/0x5c
[  422.027503][T28309]  should_fail+0x3c0/0x51c
[  422.028251][T28309]  __should_failslab+0xbc/0x10c
[  422.029092][T28309]  should_failslab+0x10/0x28
[  422.029878][T28309]  slab_pre_alloc_hook+0x64/0xec
[  422.030672][T28309]  __kmalloc_node+0xb8/0x520
[  422.031482][T28309]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.032364][T28309]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.033343][T28309]  nbd_start_device+0x14c/0xb40
[  422.034116][T28309]  nbd_ioctl+0x514/0xc50
[  422.034832][T28309]  blkdev_ioctl+0x5f8/0xbb8
[  422.035586][T28309]  block_ioctl+0xa4/0x118
[  422.036285][T28309]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.037074][T28309]  invoke_syscall+0x98/0x2b8
[  422.037812][T28309]  el0_svc_common+0x138/0x258
[  422.038554][T28309]  do_el0_svc+0x58/0x14c
[  422.039223][T28309]  el0_svc+0x78/0x1e0
[  422.039889][T28309]  el0t_64_sync_handler+0xcc/0xe4
[  422.040735][T28309]  el0t_64_sync+0x1a0/0x1a4
[  422.047442][T28309] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.067583][T28324] block nbd4: shutting down sockets
[  422.079502][T28324] FAULT_INJECTION: forcing a failure.
[  422.079502][T28324] name failslab, interval 1, probability 0, space 0, times 0
[  422.081702][T28324] CPU: 0 PID: 28324 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.083219][T28324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.084843][T28324] Call trace:
[  422.085394][T28324]  dump_backtrace+0x0/0x43c
[  422.086161][T28324]  show_stack+0x2c/0x3c
[  422.086809][T28324]  __dump_stack+0x30/0x40
[  422.087467][T28324]  dump_stack_lvl+0xf8/0x160
[  422.088198][T28324]  dump_stack+0x1c/0x5c
[  422.088882][T28324]  should_fail+0x3c0/0x51c
[  422.089586][T28324]  __should_failslab+0xbc/0x10c
[  422.090385][T28324]  should_failslab+0x10/0x28
[  422.091105][T28324]  slab_pre_alloc_hook+0x64/0xec
[  422.091963][T28324]  kmem_cache_alloc+0x94/0x3e4
[  422.092792][T28324]  new_inode_pseudo+0x10c/0x1fc
[  422.093604][T28324]  new_inode+0x38/0x174
[  422.094246][T28324]  debugfs_create_dir+0xec/0x3f4
[  422.095029][T28324]  nbd_start_device+0x3c8/0xb40
[  422.095788][T28324]  nbd_ioctl+0x514/0xc50
[  422.096458][T28324]  blkdev_ioctl+0x5f8/0xbb8
[  422.097294][T28324]  block_ioctl+0xa4/0x118
[  422.097995][T28324]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.098817][T28324]  invoke_syscall+0x98/0x2b8
[  422.099622][T28324]  el0_svc_common+0x138/0x258
[  422.100457][T28324]  do_el0_svc+0x58/0x14c
[  422.101160][T28324]  el0_svc+0x78/0x1e0
[  422.101898][T28324]  el0t_64_sync_handler+0xcc/0xe4
[  422.102734][T28324]  el0t_64_sync+0x1a0/0x1a4
[  422.108369][T28324] debugfs: out of free dentries, can not create directory 'nbd4'
[  422.109882][T28324] block nbd4: Failed to create debugfs dir for 'nbd4'
[  422.132192][T28330] block nbd3: shutting down sockets
[  422.136776][T28332] block nbd0: shutting down sockets
[  422.146712][T28332] FAULT_INJECTION: forcing a failure.
[  422.146712][T28332] name failslab, interval 1, probability 0, space 0, times 0
[  422.148173][T28316] block nbd1: shutting down sockets
[  422.148670][T28332] CPU: 0 PID: 28332 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.151050][T28332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.152585][T28332] Call trace:
[  422.153075][T28332]  dump_backtrace+0x0/0x43c
[  422.153734][T28332]  show_stack+0x2c/0x3c
[  422.154337][T28332]  __dump_stack+0x30/0x40
[  422.154992][T28332]  dump_stack_lvl+0xf8/0x160
[  422.155623][T28332]  dump_stack+0x1c/0x5c
[  422.156309][T28332]  should_fail+0x3c0/0x51c
[  422.157033][T28332]  __should_failslab+0xbc/0x10c
[  422.157786][T28332]  should_failslab+0x10/0x28
[  422.158480][T28332]  slab_pre_alloc_hook+0x64/0xec
[  422.159256][T28332]  kmem_cache_alloc+0x94/0x3e4
[  422.160024][T28332]  new_inode_pseudo+0x10c/0x1fc
[  422.160823][T28332]  new_inode+0x38/0x174
[  422.161472][T28332]  debugfs_create_dir+0xec/0x3f4
[  422.162319][T28332]  nbd_start_device+0x3c8/0xb40
[  422.163112][T28332]  nbd_ioctl+0x514/0xc50
[  422.163793][T28332]  blkdev_ioctl+0x5f8/0xbb8
[  422.164541][T28332]  block_ioctl+0xa4/0x118
[  422.165207][T28332]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.166011][T28332]  invoke_syscall+0x98/0x2b8
[  422.166814][T28332]  el0_svc_common+0x138/0x258
[  422.167600][T28332]  do_el0_svc+0x58/0x14c
[  422.168296][T28332]  el0_svc+0x78/0x1e0
[  422.168950][T28332]  el0t_64_sync_handler+0xcc/0xe4
[  422.169738][T28332]  el0t_64_sync+0x1a0/0x1a4
[  422.172037][T28332] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.173457][T28332] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.198483][T28330] FAULT_INJECTION: forcing a failure.
[  422.198483][T28330] name failslab, interval 1, probability 0, space 0, times 0
[  422.203367][T28316] FAULT_INJECTION: forcing a failure.
[  422.203367][T28316] name failslab, interval 1, probability 0, space 0, times 0
[  422.205255][T28316] CPU: 1 PID: 28316 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.206595][T28316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.208191][T28316] Call trace:
[  422.208714][T28316]  dump_backtrace+0x0/0x43c
[  422.209473][T28316]  show_stack+0x2c/0x3c
[  422.210151][T28316]  __dump_stack+0x30/0x40
[  422.210782][T28316]  dump_stack_lvl+0xf8/0x160
[  422.211481][T28316]  dump_stack+0x1c/0x5c
[  422.212094][T28316]  should_fail+0x3c0/0x51c
[  422.212733][T28316]  __should_failslab+0xbc/0x10c
[  422.213468][T28316]  should_failslab+0x10/0x28
[  422.214200][T28316]  slab_pre_alloc_hook+0x64/0xec
[  422.214973][T28316]  __kmalloc_node+0xb8/0x520
[  422.215626][T28316]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.216412][T28316]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.217247][T28316]  nbd_start_device+0x14c/0xb40
[  422.217963][T28316]  nbd_ioctl+0x514/0xc50
[  422.218560][T28316]  blkdev_ioctl+0x5f8/0xbb8
[  422.219249][T28316]  block_ioctl+0xa4/0x118
[  422.219900][T28316]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.220723][T28316]  invoke_syscall+0x98/0x2b8
[  422.221397][T28316]  el0_svc_common+0x138/0x258
[  422.222225][T28316]  do_el0_svc+0x58/0x14c
[  422.222970][T28316]  el0_svc+0x78/0x1e0
[  422.223652][T28316]  el0t_64_sync_handler+0xcc/0xe4
[  422.224501][T28316]  el0t_64_sync+0x1a0/0x1a4
[  422.225197][T28330] CPU: 0 PID: 28330 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.226708][T28330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.228455][T28330] Call trace:
[  422.229009][T28330]  dump_backtrace+0x0/0x43c
[  422.229813][T28330]  show_stack+0x2c/0x3c
[  422.230489][T28330]  __dump_stack+0x30/0x40
[  422.231165][T28330]  dump_stack_lvl+0xf8/0x160
[  422.231866][T28330]  dump_stack+0x1c/0x5c
[  422.232508][T28330]  should_fail+0x3c0/0x51c
[  422.233183][T28330]  __should_failslab+0xbc/0x10c
[  422.233476][T28316] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.234006][T28330]  should_failslab+0x10/0x28
[  422.234025][T28330]  slab_pre_alloc_hook+0x64/0xec
[  422.234037][T28330]  __kmalloc_node+0xb8/0x520
[  422.237308][T28330]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.238175][T28330]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.239060][T28330]  nbd_start_device+0x14c/0xb40
[  422.239847][T28330]  nbd_ioctl+0x514/0xc50
[  422.240535][T28330]  blkdev_ioctl+0x5f8/0xbb8
[  422.241262][T28330]  block_ioctl+0xa4/0x118
[  422.241948][T28330]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.242716][T28330]  invoke_syscall+0x98/0x2b8
[  422.243450][T28330]  el0_svc_common+0x138/0x258
[  422.244246][T28330]  do_el0_svc+0x58/0x14c
[  422.244965][T28330]  el0_svc+0x78/0x1e0
[  422.245591][T28330]  el0t_64_sync_handler+0xcc/0xe4
[  422.246349][T28330]  el0t_64_sync+0x1a0/0x1a4
[  422.262402][T28338] block nbd4: shutting down sockets
[  422.268689][T28341] block nbd2: shutting down sockets
[  422.278644][T28330] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.291726][T28338] FAULT_INJECTION: forcing a failure.
[  422.291726][T28338] name failslab, interval 1, probability 0, space 0, times 0
[  422.294155][T28338] CPU: 0 PID: 28338 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.295586][T28338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.297173][T28338] Call trace:
[  422.297732][T28338]  dump_backtrace+0x0/0x43c
[  422.298423][T28338]  show_stack+0x2c/0x3c
[  422.299092][T28338]  __dump_stack+0x30/0x40
[  422.299756][T28338]  dump_stack_lvl+0xf8/0x160
[  422.300502][T28338]  dump_stack+0x1c/0x5c
[  422.301118][T28338]  should_fail+0x3c0/0x51c
[  422.301761][T28338]  __should_failslab+0xbc/0x10c
[  422.302473][T28338]  should_failslab+0x10/0x28
[  422.303258][T28338]  slab_pre_alloc_hook+0x64/0xec
[  422.304053][T28338]  kmem_cache_alloc+0x94/0x3e4
[  422.304833][T28338]  new_inode_pseudo+0x10c/0x1fc
[  422.305595][T28338]  new_inode+0x38/0x174
[  422.306204][T28338]  debugfs_create_dir+0xec/0x3f4
[  422.306933][T28338]  nbd_start_device+0x3c8/0xb40
[  422.307671][T28338]  nbd_ioctl+0x514/0xc50
[  422.308346][T28338]  blkdev_ioctl+0x5f8/0xbb8
[  422.308380][T28336] FAULT_INJECTION: forcing a failure.
[  422.308380][T28336] name failslab, interval 1, probability 0, space 0, times 0
[  422.308978][T28338]  block_ioctl+0xa4/0x118
[  422.311636][T28338]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.312363][T28338]  invoke_syscall+0x98/0x2b8
[  422.313040][T28338]  el0_svc_common+0x138/0x258
[  422.313734][T28338]  do_el0_svc+0x58/0x14c
[  422.314351][T28338]  el0_svc+0x78/0x1e0
[  422.314957][T28338]  el0t_64_sync_handler+0xcc/0xe4
[  422.315666][T28338]  el0t_64_sync+0x1a0/0x1a4
[  422.320045][T28347] block nbd0: shutting down sockets
[  422.337373][T28336] CPU: 1 PID: 28336 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.338800][T28336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.340382][T28336] Call trace:
[  422.340893][T28336]  dump_backtrace+0x0/0x43c
[  422.341619][T28336]  show_stack+0x2c/0x3c
[  422.342314][T28336]  __dump_stack+0x30/0x40
[  422.342961][T28336]  dump_stack_lvl+0xf8/0x160
[  422.343683][T28336]  dump_stack+0x1c/0x5c
[  422.344386][T28336]  should_fail+0x3c0/0x51c
[  422.345115][T28336]  __should_failslab+0xbc/0x10c
[  422.345872][T28336]  should_failslab+0x10/0x28
[  422.346539][T28336]  slab_pre_alloc_hook+0x64/0xec
[  422.347363][T28336]  __kmalloc_node+0xb8/0x520
[  422.348121][T28336]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.348999][T28336]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.349840][T28336]  nbd_start_device+0x14c/0xb40
[  422.350604][T28336]  nbd_ioctl+0x514/0xc50
[  422.351261][T28336]  blkdev_ioctl+0x5f8/0xbb8
[  422.351987][T28336]  block_ioctl+0xa4/0x118
[  422.352681][T28336]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.353478][T28336]  invoke_syscall+0x98/0x2b8
[  422.354189][T28336]  el0_svc_common+0x138/0x258
[  422.354850][T28336]  do_el0_svc+0x58/0x14c
[  422.355511][T28336]  el0_svc+0x78/0x1e0
[  422.356104][T28336]  el0t_64_sync_handler+0xcc/0xe4
[  422.356847][T28336]  el0t_64_sync+0x1a0/0x1a4
[  422.366983][T28338] debugfs: out of free dentries, can not create directory 'nbd4'
[  422.369455][T28347] FAULT_INJECTION: forcing a failure.
[  422.369455][T28347] name failslab, interval 1, probability 0, space 0, times 0
[  422.371414][T28347] CPU: 1 PID: 28347 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.372811][T28347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.374411][T28347] Call trace:
[  422.374964][T28347]  dump_backtrace+0x0/0x43c
[  422.375690][T28347]  show_stack+0x2c/0x3c
[  422.376337][T28347]  __dump_stack+0x30/0x40
[  422.377050][T28347]  dump_stack_lvl+0xf8/0x160
[  422.377811][T28347]  dump_stack+0x1c/0x5c
[  422.378563][T28347]  should_fail+0x3c0/0x51c
[  422.379239][T28347]  __should_failslab+0xbc/0x10c
[  422.380049][T28347]  should_failslab+0x10/0x28
[  422.380795][T28347]  slab_pre_alloc_hook+0x64/0xec
[  422.381574][T28347]  kmem_cache_alloc+0x94/0x3e4
[  422.382274][T28347]  new_inode_pseudo+0x10c/0x1fc
[  422.383029][T28347]  new_inode+0x38/0x174
[  422.383644][T28347]  debugfs_create_dir+0xec/0x3f4
[  422.384395][T28347]  nbd_start_device+0x3c8/0xb40
[  422.385164][T28347]  nbd_ioctl+0x514/0xc50
[  422.385837][T28347]  blkdev_ioctl+0x5f8/0xbb8
[  422.386543][T28347]  block_ioctl+0xa4/0x118
[  422.387197][T28347]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.387966][T28347]  invoke_syscall+0x98/0x2b8
[  422.388665][T28347]  el0_svc_common+0x138/0x258
[  422.389373][T28347]  do_el0_svc+0x58/0x14c
[  422.390078][T28347]  el0_svc+0x78/0x1e0
[  422.390699][T28347]  el0t_64_sync_handler+0xcc/0xe4
[  422.391478][T28347]  el0t_64_sync+0x1a0/0x1a4
[  422.395093][T28338] block nbd4: Failed to create debugfs dir for 'nbd4'
[  422.397693][T28336] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.399147][T28347] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.418056][T28347] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.431200][T28357] block nbd1: shutting down sockets
[  422.459296][T28357] FAULT_INJECTION: forcing a failure.
[  422.459296][T28357] name failslab, interval 1, probability 0, space 0, times 0
[  422.461423][T28357] CPU: 1 PID: 28357 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.462723][T28357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.464185][T28357] Call trace:
[  422.464730][T28357]  dump_backtrace+0x0/0x43c
[  422.465392][T28357]  show_stack+0x2c/0x3c
[  422.466038][T28357]  __dump_stack+0x30/0x40
[  422.466751][T28357]  dump_stack_lvl+0xf8/0x160
[  422.467139][T28354] block nbd3: shutting down sockets
[  422.467421][T28357]  dump_stack+0x1c/0x5c
[  422.468863][T28357]  should_fail+0x3c0/0x51c
[  422.469575][T28357]  __should_failslab+0xbc/0x10c
[  422.470301][T28357]  should_failslab+0x10/0x28
[  422.470963][T28357]  slab_pre_alloc_hook+0x64/0xec
[  422.471699][T28357]  __kmalloc_node+0xb8/0x520
[  422.472418][T28357]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.473267][T28357]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.474230][T28357]  nbd_start_device+0x14c/0xb40
[  422.475096][T28357]  nbd_ioctl+0x514/0xc50
[  422.475731][T28357]  blkdev_ioctl+0x5f8/0xbb8
[  422.476463][T28357]  block_ioctl+0xa4/0x118
[  422.477158][T28357]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.478040][T28357]  invoke_syscall+0x98/0x2b8
[  422.478811][T28357]  el0_svc_common+0x138/0x258
[  422.479557][T28357]  do_el0_svc+0x58/0x14c
[  422.480227][T28357]  el0_svc+0x78/0x1e0
[  422.480835][T28357]  el0t_64_sync_handler+0xcc/0xe4
[  422.481598][T28357]  el0t_64_sync+0x1a0/0x1a4
[  422.486899][T28357] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.506399][T28366] block nbd4: shutting down sockets
[  422.520967][T28366] FAULT_INJECTION: forcing a failure.
[  422.520967][T28366] name failslab, interval 1, probability 0, space 0, times 0
[  422.523293][T28366] CPU: 0 PID: 28366 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.524813][T28366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.526508][T28366] Call trace:
[  422.527075][T28366]  dump_backtrace+0x0/0x43c
[  422.527804][T28366]  show_stack+0x2c/0x3c
[  422.528461][T28366]  __dump_stack+0x30/0x40
[  422.529151][T28366]  dump_stack_lvl+0xf8/0x160
[  422.529900][T28366]  dump_stack+0x1c/0x5c
[  422.530609][T28366]  should_fail+0x3c0/0x51c
[  422.531311][T28366]  __should_failslab+0xbc/0x10c
[  422.532123][T28366]  should_failslab+0x10/0x28
[  422.532815][T28366]  slab_pre_alloc_hook+0x64/0xec
[  422.533544][T28366]  kmem_cache_alloc+0x94/0x3e4
[  422.534302][T28366]  new_inode_pseudo+0x10c/0x1fc
[  422.535028][T28366]  new_inode+0x38/0x174
[  422.535630][T28366]  debugfs_create_dir+0xec/0x3f4
[  422.536399][T28366]  nbd_start_device+0x3c8/0xb40
[  422.537100][T28366]  nbd_ioctl+0x514/0xc50
[  422.537765][T28366]  blkdev_ioctl+0x5f8/0xbb8
[  422.538518][T28366]  block_ioctl+0xa4/0x118
[  422.539198][T28366]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.540001][T28366]  invoke_syscall+0x98/0x2b8
[  422.540683][T28366]  el0_svc_common+0x138/0x258
[  422.541409][T28366]  do_el0_svc+0x58/0x14c
[  422.542095][T28366]  el0_svc+0x78/0x1e0
[  422.542726][T28366]  el0t_64_sync_handler+0xcc/0xe4
[  422.543515][T28366]  el0t_64_sync+0x1a0/0x1a4
[  422.548879][T28354] FAULT_INJECTION: forcing a failure.
[  422.548879][T28354] name failslab, interval 1, probability 0, space 0, times 0
[  422.550767][T28354] CPU: 0 PID: 28354 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.552130][T28366] debugfs: out of free dentries, can not create directory 'nbd4'
[  422.552278][T28354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.553724][T28366] block nbd4: Failed to create debugfs dir for 'nbd4'
[  422.555082][T28354] Call trace:
[  422.555089][T28354]  dump_backtrace+0x0/0x43c
[  422.555106][T28354]  show_stack+0x2c/0x3c
[  422.555113][T28354]  __dump_stack+0x30/0x40
[  422.558720][T28354]  dump_stack_lvl+0xf8/0x160
[  422.559434][T28354]  dump_stack+0x1c/0x5c
[  422.560098][T28354]  should_fail+0x3c0/0x51c
[  422.560742][T28354]  __should_failslab+0xbc/0x10c
[  422.561531][T28354]  should_failslab+0x10/0x28
[  422.562276][T28354]  slab_pre_alloc_hook+0x64/0xec
[  422.563039][T28354]  __kmalloc_node+0xb8/0x520
[  422.563760][T28354]  blk_mq_update_nr_hw_queues+0x54c/0xbfc
[  422.564645][T28354]  nbd_start_device+0x14c/0xb40
[  422.565398][T28354]  nbd_ioctl+0x514/0xc50
[  422.566020][T28354]  blkdev_ioctl+0x5f8/0xbb8
[  422.566714][T28354]  block_ioctl+0xa4/0x118
[  422.567324][T28354]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.568115][T28354]  invoke_syscall+0x98/0x2b8
[  422.568835][T28354]  el0_svc_common+0x138/0x258
[  422.569661][T28354]  do_el0_svc+0x58/0x14c
[  422.570336][T28354]  el0_svc+0x78/0x1e0
[  422.570921][T28354]  el0t_64_sync_handler+0xcc/0xe4
[  422.571689][T28354]  el0t_64_sync+0x1a0/0x1a4
[  422.583313][T28370] block nbd0: shutting down sockets
[  422.596256][T28368] block nbd2: shutting down sockets
[  422.598405][T28370] FAULT_INJECTION: forcing a failure.
[  422.598405][T28370] name failslab, interval 1, probability 0, space 0, times 0
[  422.603041][T28370] CPU: 0 PID: 28370 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.604526][T28370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.606188][T28370] Call trace:
[  422.606737][T28370]  dump_backtrace+0x0/0x43c
[  422.607426][T28370]  show_stack+0x2c/0x3c
[  422.608035][T28370]  __dump_stack+0x30/0x40
[  422.608724][T28370]  dump_stack_lvl+0xf8/0x160
[  422.609506][T28370]  dump_stack+0x1c/0x5c
[  422.610164][T28370]  should_fail+0x3c0/0x51c
[  422.610887][T28370]  __should_failslab+0xbc/0x10c
[  422.611654][T28370]  should_failslab+0x10/0x28
[  422.612396][T28370]  slab_pre_alloc_hook+0x64/0xec
[  422.613233][T28370]  kmem_cache_alloc+0x94/0x3e4
[  422.613910][T28370]  new_inode_pseudo+0x10c/0x1fc
[  422.614611][T28370]  new_inode+0x38/0x174
[  422.615211][T28370]  debugfs_create_dir+0xec/0x3f4
[  422.615967][T28370]  nbd_start_device+0x3c8/0xb40
[  422.616764][T28370]  nbd_ioctl+0x514/0xc50
[  422.617452][T28370]  blkdev_ioctl+0x5f8/0xbb8
[  422.618204][T28370]  block_ioctl+0xa4/0x118
[  422.618893][T28370]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.619656][T28370]  invoke_syscall+0x98/0x2b8
[  422.620389][T28370]  el0_svc_common+0x138/0x258
[  422.621154][T28370]  do_el0_svc+0x58/0x14c
[  422.621863][T28370]  el0_svc+0x78/0x1e0
[  422.622506][T28370]  el0t_64_sync_handler+0xcc/0xe4
[  422.623324][T28370]  el0t_64_sync+0x1a0/0x1a4
[  422.627032][T28370] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.639194][T28368] FAULT_INJECTION: forcing a failure.
[  422.639194][T28368] name failslab, interval 1, probability 0, space 0, times 0
[  422.641265][T28368] CPU: 0 PID: 28368 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.642724][T28368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.644326][T28368] Call trace:
[  422.644860][T28368]  dump_backtrace+0x0/0x43c
[  422.645602][T28368]  show_stack+0x2c/0x3c
[  422.646249][T28368]  __dump_stack+0x30/0x40
[  422.646929][T28368]  dump_stack_lvl+0xf8/0x160
[  422.647662][T28368]  dump_stack+0x1c/0x5c
[  422.648344][T28368]  should_fail+0x3c0/0x51c
[  422.649039][T28368]  __should_failslab+0xbc/0x10c
[  422.649765][T28368]  should_failslab+0x10/0x28
[  422.650455][T28368]  slab_pre_alloc_hook+0x64/0xec
[  422.651184][T28368]  __kmalloc_node+0xb8/0x520
[  422.651884][T28368]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.652701][T28368]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.653671][T28368]  nbd_start_device+0x14c/0xb40
[  422.654483][T28368]  nbd_ioctl+0x514/0xc50
[  422.655132][T28368]  blkdev_ioctl+0x5f8/0xbb8
[  422.655834][T28368]  block_ioctl+0xa4/0x118
[  422.656501][T28368]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.657244][T28368]  invoke_syscall+0x98/0x2b8
[  422.657976][T28368]  el0_svc_common+0x138/0x258
[  422.658708][T28368]  do_el0_svc+0x58/0x14c
[  422.659362][T28368]  el0_svc+0x78/0x1e0
[  422.659971][T28368]  el0t_64_sync_handler+0xcc/0xe4
[  422.660714][T28368]  el0t_64_sync+0x1a0/0x1a4
[  422.686736][ T1643] device hsr_slave_0 left promiscuous mode
[  422.726770][T28375] block nbd1: shutting down sockets
[  422.726780][T28370] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.727656][T28368] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.731944][ T1643] device hsr_slave_1 left promiscuous mode
[  422.768608][T28375] FAULT_INJECTION: forcing a failure.
[  422.768608][T28375] name failslab, interval 1, probability 0, space 0, times 0
[  422.770584][T28384] block nbd4: shutting down sockets
[  422.770671][T28375] CPU: 0 PID: 28375 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.772883][T28375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.774446][T28375] Call trace:
[  422.774971][T28375]  dump_backtrace+0x0/0x43c
[  422.775633][T28375]  show_stack+0x2c/0x3c
[  422.776275][T28375]  __dump_stack+0x30/0x40
[  422.776915][T28375]  dump_stack_lvl+0xf8/0x160
[  422.777564][T28375]  dump_stack+0x1c/0x5c
[  422.778215][T28375]  should_fail+0x3c0/0x51c
[  422.778909][T28375]  __should_failslab+0xbc/0x10c
[  422.779715][T28375]  should_failslab+0x10/0x28
[  422.780462][T28375]  slab_pre_alloc_hook+0x64/0xec
[  422.781224][T28375]  __kmalloc_node+0xb8/0x520
[  422.781939][T28375]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.782818][T28375]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.783737][T28375]  nbd_start_device+0x14c/0xb40
[  422.784522][T28375]  nbd_ioctl+0x514/0xc50
[  422.785293][T28375]  blkdev_ioctl+0x5f8/0xbb8
[  422.786027][T28375]  block_ioctl+0xa4/0x118
[  422.786766][T28375]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.786985][T28384] FAULT_INJECTION: forcing a failure.
[  422.786985][T28384] name failslab, interval 1, probability 0, space 0, times 0
[  422.787630][T28375]  invoke_syscall+0x98/0x2b8
[  422.790255][T28375]  el0_svc_common+0x138/0x258
[  422.791029][T28375]  do_el0_svc+0x58/0x14c
[  422.791708][T28375]  el0_svc+0x78/0x1e0
[  422.792297][T28375]  el0t_64_sync_handler+0xcc/0xe4
[  422.793086][T28375]  el0t_64_sync+0x1a0/0x1a4
[  422.793802][T28384] CPU: 1 PID: 28384 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.795213][T28384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.795542][T28375] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.796757][T28384] Call trace:
[  422.796764][T28384]  dump_backtrace+0x0/0x43c
[  422.796782][T28384]  show_stack+0x2c/0x3c
[  422.796790][T28384]  __dump_stack+0x30/0x40
[  422.796800][T28384]  dump_stack_lvl+0xf8/0x160
[  422.796806][T28384]  dump_stack+0x1c/0x5c
[  422.796812][T28384]  should_fail+0x3c0/0x51c
[  422.796817][T28384]  __should_failslab+0xbc/0x10c
[  422.796824][T28384]  should_failslab+0x10/0x28
[  422.796829][T28384]  slab_pre_alloc_hook+0x64/0xec
[  422.796835][T28384]  kmem_cache_alloc+0x94/0x3e4
[  422.805191][T28384]  new_inode_pseudo+0x10c/0x1fc
[  422.806041][T28384]  new_inode+0x38/0x174
[  422.806690][T28384]  debugfs_create_dir+0xec/0x3f4
[  422.807440][T28384]  nbd_start_device+0x3c8/0xb40
[  422.808185][T28384]  nbd_ioctl+0x514/0xc50
[  422.808875][T28384]  blkdev_ioctl+0x5f8/0xbb8
[  422.809572][T28384]  block_ioctl+0xa4/0x118
[  422.810279][T28384]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.811083][T28384]  invoke_syscall+0x98/0x2b8
[  422.811823][T28384]  el0_svc_common+0x138/0x258
[  422.812634][T28384]  do_el0_svc+0x58/0x14c
[  422.813351][T28384]  el0_svc+0x78/0x1e0
[  422.813969][T28384]  el0t_64_sync_handler+0xcc/0xe4
[  422.814714][T28384]  el0t_64_sync+0x1a0/0x1a4
[  422.816225][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  422.817515][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_0
[  422.817965][T28384] debugfs: out of free dentries, can not create directory 'nbd4'
[  422.819785][T28384] block nbd4: Failed to create debugfs dir for 'nbd4'
[  422.820239][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  422.821976][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_1
[  422.827467][ T1643] device bridge_slave_1 left promiscuous mode
[  422.828488][ T1643] bridge0: port 2(bridge_slave_1) entered disabled state
[  422.830492][T28398] block nbd2: shutting down sockets
[  422.845960][T28395] block nbd3: shutting down sockets
[  422.849688][T28399] block nbd0: shutting down sockets
[  422.851628][T28399] FAULT_INJECTION: forcing a failure.
[  422.851628][T28399] name failslab, interval 1, probability 0, space 0, times 0
[  422.853511][T28399] CPU: 1 PID: 28399 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.854831][T28399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.856270][T28399] Call trace:
[  422.856760][T28399]  dump_backtrace+0x0/0x43c
[  422.857535][T28399]  show_stack+0x2c/0x3c
[  422.858169][T28399]  __dump_stack+0x30/0x40
[  422.858863][T28399]  dump_stack_lvl+0xf8/0x160
[  422.859553][T28399]  dump_stack+0x1c/0x5c
[  422.860165][T28399]  should_fail+0x3c0/0x51c
[  422.860846][T28399]  __should_failslab+0xbc/0x10c
[  422.861594][T28399]  should_failslab+0x10/0x28
[  422.862223][T28399]  slab_pre_alloc_hook+0x64/0xec
[  422.862971][T28399]  kmem_cache_alloc+0x94/0x3e4
[  422.863755][T28399]  new_inode_pseudo+0x10c/0x1fc
[  422.864506][T28399]  new_inode+0x38/0x174
[  422.865145][T28399]  debugfs_create_dir+0xec/0x3f4
[  422.865873][T28399]  nbd_start_device+0x3c8/0xb40
[  422.866626][T28399]  nbd_ioctl+0x514/0xc50
[  422.867313][T28399]  blkdev_ioctl+0x5f8/0xbb8
[  422.868015][T28399]  block_ioctl+0xa4/0x118
[  422.868648][T28399]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.869368][T28399]  invoke_syscall+0x98/0x2b8
[  422.870055][T28399]  el0_svc_common+0x138/0x258
[  422.870715][T28399]  do_el0_svc+0x58/0x14c
[  422.871355][T28399]  el0_svc+0x78/0x1e0
[  422.871929][T28399]  el0t_64_sync_handler+0xcc/0xe4
[  422.872628][T28399]  el0t_64_sync+0x1a0/0x1a4
[  422.877985][ T1643] device bridge_slave_0 left promiscuous mode
[  422.879030][ T1643] bridge0: port 1(bridge_slave_0) entered disabled state
[  422.880386][T28399] debugfs: out of free dentries, can not create directory 'nbd0'
[  422.881670][T28399] block nbd0: Failed to create debugfs dir for 'nbd0'
[  422.898539][T28395] FAULT_INJECTION: forcing a failure.
[  422.898539][T28395] name failslab, interval 1, probability 0, space 0, times 0
[  422.900593][T28395] CPU: 0 PID: 28395 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.902143][T28395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.903711][T28395] Call trace:
[  422.904211][T28395]  dump_backtrace+0x0/0x43c
[  422.904931][T28395]  show_stack+0x2c/0x3c
[  422.905585][T28395]  __dump_stack+0x30/0x40
[  422.906277][T28395]  dump_stack_lvl+0xf8/0x160
[  422.907030][T28395]  dump_stack+0x1c/0x5c
[  422.907689][T28395]  should_fail+0x3c0/0x51c
[  422.908393][T28395]  __should_failslab+0xbc/0x10c
[  422.909134][T28395]  should_failslab+0x10/0x28
[  422.909821][T28395]  slab_pre_alloc_hook+0x64/0xec
[  422.910522][T28395]  __kmalloc_node+0xb8/0x520
[  422.911214][T28395]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.912013][T28395]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.912998][T28395]  nbd_start_device+0x14c/0xb40
[  422.913803][T28395]  nbd_ioctl+0x514/0xc50
[  422.914514][T28395]  blkdev_ioctl+0x5f8/0xbb8
[  422.915275][T28395]  block_ioctl+0xa4/0x118
[  422.915989][T28395]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.916769][T28395]  invoke_syscall+0x98/0x2b8
[  422.917492][T28395]  el0_svc_common+0x138/0x258
[  422.918290][T28395]  do_el0_svc+0x58/0x14c
[  422.918927][T28395]  el0_svc+0x78/0x1e0
[  422.919533][T28395]  el0t_64_sync_handler+0xcc/0xe4
[  422.920287][T28395]  el0t_64_sync+0x1a0/0x1a4
[  422.925398][T28398] FAULT_INJECTION: forcing a failure.
[  422.925398][T28398] name failslab, interval 1, probability 0, space 0, times 0
[  422.925659][T28395] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.928152][T28398] CPU: 1 PID: 28398 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.930030][T28398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.931557][T28398] Call trace:
[  422.932060][T28398]  dump_backtrace+0x0/0x43c
[  422.932804][T28398]  show_stack+0x2c/0x3c
[  422.933428][T28398]  __dump_stack+0x30/0x40
[  422.934122][T28398]  dump_stack_lvl+0xf8/0x160
[  422.934910][T28398]  dump_stack+0x1c/0x5c
[  422.935580][T28398]  should_fail+0x3c0/0x51c
[  422.936248][T28398]  __should_failslab+0xbc/0x10c
[  422.936969][T28398]  should_failslab+0x10/0x28
[  422.937664][T28398]  slab_pre_alloc_hook+0x64/0xec
[  422.938372][T28398]  __kmalloc_node+0xb8/0x520
[  422.939053][T28398]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  422.939883][T28398]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  422.940791][T28398]  nbd_start_device+0x14c/0xb40
[  422.941587][T28398]  nbd_ioctl+0x514/0xc50
[  422.942307][T28398]  blkdev_ioctl+0x5f8/0xbb8
[  422.943014][T28398]  block_ioctl+0xa4/0x118
[  422.943696][T28398]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.944474][T28398]  invoke_syscall+0x98/0x2b8
[  422.945194][T28398]  el0_svc_common+0x138/0x258
[  422.945909][T28398]  do_el0_svc+0x58/0x14c
[  422.946524][T28398]  el0_svc+0x78/0x1e0
[  422.947125][T28398]  el0t_64_sync_handler+0xcc/0xe4
[  422.947923][T28398]  el0t_64_sync+0x1a0/0x1a4
[  422.950384][T28398] Increasing nr_hw_queues to 2 fails, fallback to 1
[  422.952143][ T1643] device hsr_slave_0 left promiscuous mode
[  422.976986][T28405] block nbd4: shutting down sockets
[  422.979316][T28405] FAULT_INJECTION: forcing a failure.
[  422.979316][T28405] name failslab, interval 1, probability 0, space 0, times 0
[  422.981281][T28405] CPU: 0 PID: 28405 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  422.982757][T28405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  422.984299][T28405] Call trace:
[  422.984771][T28405]  dump_backtrace+0x0/0x43c
[  422.985488][T28405]  show_stack+0x2c/0x3c
[  422.986111][T28405]  __dump_stack+0x30/0x40
[  422.986875][T28405]  dump_stack_lvl+0xf8/0x160
[  422.987554][T28405]  dump_stack+0x1c/0x5c
[  422.988210][T28405]  should_fail+0x3c0/0x51c
[  422.988911][T28405]  __should_failslab+0xbc/0x10c
[  422.989647][T28405]  should_failslab+0x10/0x28
[  422.990367][T28405]  slab_pre_alloc_hook+0x64/0xec
[  422.991159][T28405]  kmem_cache_alloc+0x94/0x3e4
[  422.991894][T28405]  new_inode_pseudo+0x10c/0x1fc
[  422.992727][T28405]  new_inode+0x38/0x174
[  422.993372][T28405]  debugfs_create_dir+0xec/0x3f4
[  422.994157][T28405]  nbd_start_device+0x3c8/0xb40
[  422.994933][T28405]  nbd_ioctl+0x514/0xc50
[  422.995648][T28405]  blkdev_ioctl+0x5f8/0xbb8
[  422.996399][T28405]  block_ioctl+0xa4/0x118
[  422.997106][T28405]  __arm64_sys_ioctl+0x14c/0x1c8
[  422.997919][T28405]  invoke_syscall+0x98/0x2b8
[  422.998639][T28405]  el0_svc_common+0x138/0x258
[  422.999371][T28405]  do_el0_svc+0x58/0x14c
[  422.999998][T28405]  el0_svc+0x78/0x1e0
[  423.000594][T28405]  el0t_64_sync_handler+0xcc/0xe4
[  423.001384][T28405]  el0t_64_sync+0x1a0/0x1a4
[  423.006402][ T1643] device hsr_slave_1 left promiscuous mode
[  423.007737][T28405] debugfs: out of free dentries, can not create directory 'nbd4'
[  423.008549][T28404] block nbd1: shutting down sockets
[  423.009405][T28405] block nbd4: Failed to create debugfs dir for 'nbd4'
[  423.046232][T28409] block nbd0: shutting down sockets
[  423.049294][T28409] FAULT_INJECTION: forcing a failure.
[  423.049294][T28409] name failslab, interval 1, probability 0, space 0, times 0
[  423.051632][T28409] CPU: 0 PID: 28409 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.053113][T28409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.054713][T28409] Call trace:
[  423.055227][T28409]  dump_backtrace+0x0/0x43c
[  423.055988][T28409]  show_stack+0x2c/0x3c
[  423.056684][T28409]  __dump_stack+0x30/0x40
[  423.057378][T28409]  dump_stack_lvl+0xf8/0x160
[  423.058096][T28409]  dump_stack+0x1c/0x5c
[  423.058734][T28409]  should_fail+0x3c0/0x51c
[  423.059439][T28409]  __should_failslab+0xbc/0x10c
[  423.060200][T28409]  should_failslab+0x10/0x28
[  423.060971][T28409]  slab_pre_alloc_hook+0x64/0xec
[  423.061796][T28409]  kmem_cache_alloc+0x94/0x3e4
[  423.062606][T28409]  new_inode_pseudo+0x10c/0x1fc
[  423.063428][T28409]  new_inode+0x38/0x174
[  423.064171][T28409]  debugfs_create_dir+0xec/0x3f4
[  423.064992][T28409]  nbd_start_device+0x3c8/0xb40
[  423.065803][T28409]  nbd_ioctl+0x514/0xc50
[  423.066504][T28409]  blkdev_ioctl+0x5f8/0xbb8
[  423.066595][T28411] block nbd2: shutting down sockets
[  423.067275][T28409]  block_ioctl+0xa4/0x118
[  423.067290][T28409]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.069691][T28409]  invoke_syscall+0x98/0x2b8
[  423.070444][T28409]  el0_svc_common+0x138/0x258
[  423.071207][T28409]  do_el0_svc+0x58/0x14c
[  423.071916][T28409]  el0_svc+0x78/0x1e0
[  423.072589][T28409]  el0t_64_sync_handler+0xcc/0xe4
[  423.073363][T28409]  el0t_64_sync+0x1a0/0x1a4
[  423.076146][T28413] block nbd3: shutting down sockets
[  423.077112][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  423.078312][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_0
[  423.079825][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  423.081017][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_1
[  423.082422][ T1643] device bridge_slave_1 left promiscuous mode
[  423.083398][ T1643] bridge0: port 2(bridge_slave_1) entered disabled state
[  423.089293][T28404] FAULT_INJECTION: forcing a failure.
[  423.089293][T28404] name failslab, interval 1, probability 0, space 0, times 0
[  423.091333][T28404] CPU: 0 PID: 28404 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.092849][T28404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.094496][T28404] Call trace:
[  423.095025][T28404]  dump_backtrace+0x0/0x43c
[  423.095722][T28404]  show_stack+0x2c/0x3c
[  423.096369][T28404]  __dump_stack+0x30/0x40
[  423.097026][T28404]  dump_stack_lvl+0xf8/0x160
[  423.097730][T28404]  dump_stack+0x1c/0x5c
[  423.098379][T28404]  should_fail+0x3c0/0x51c
[  423.099046][T28404]  __should_failslab+0xbc/0x10c
[  423.099776][T28404]  should_failslab+0x10/0x28
[  423.100447][T28404]  slab_pre_alloc_hook+0x64/0xec
[  423.101195][T28404]  __kmalloc_node+0xb8/0x520
[  423.101876][T28404]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.102790][T28404]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.103680][T28404]  nbd_start_device+0x14c/0xb40
[  423.104452][T28404]  nbd_ioctl+0x514/0xc50
[  423.105173][T28404]  blkdev_ioctl+0x5f8/0xbb8
[  423.105930][T28404]  block_ioctl+0xa4/0x118
[  423.106618][T28404]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.107432][T28404]  invoke_syscall+0x98/0x2b8
[  423.108208][T28404]  el0_svc_common+0x138/0x258
[  423.108993][T28404]  do_el0_svc+0x58/0x14c
[  423.109685][T28404]  el0_svc+0x78/0x1e0
[  423.110339][T28404]  el0t_64_sync_handler+0xcc/0xe4
[  423.111117][T28404]  el0t_64_sync+0x1a0/0x1a4
[  423.116573][T28409] debugfs: out of free dentries, can not create directory 'nbd0'
[  423.117798][T28409] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.117850][T28404] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.130310][ T1643] device bridge_slave_0 left promiscuous mode
[  423.131354][ T1643] bridge0: port 1(bridge_slave_0) entered disabled state
[  423.137919][T28413] FAULT_INJECTION: forcing a failure.
[  423.137919][T28413] name failslab, interval 1, probability 0, space 0, times 0
[  423.139805][T28413] CPU: 1 PID: 28413 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.141351][T28413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.142928][T28413] Call trace:
[  423.143471][T28413]  dump_backtrace+0x0/0x43c
[  423.144215][T28413]  show_stack+0x2c/0x3c
[  423.144924][T28413]  __dump_stack+0x30/0x40
[  423.145612][T28413]  dump_stack_lvl+0xf8/0x160
[  423.146438][T28413]  dump_stack+0x1c/0x5c
[  423.147115][T28413]  should_fail+0x3c0/0x51c
[  423.147909][T28413]  __should_failslab+0xbc/0x10c
[  423.148703][T28413]  should_failslab+0x10/0x28
[  423.149429][T28413]  slab_pre_alloc_hook+0x64/0xec
[  423.150227][T28413]  __kmalloc_node+0xb8/0x520
[  423.150508][T28411] FAULT_INJECTION: forcing a failure.
[  423.150508][T28411] name failslab, interval 1, probability 0, space 0, times 0
[  423.150965][T28413]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.153803][T28413]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.154675][T28413]  nbd_start_device+0x14c/0xb40
[  423.155437][T28413]  nbd_ioctl+0x514/0xc50
[  423.156066][T28413]  blkdev_ioctl+0x5f8/0xbb8
[  423.156750][T28413]  block_ioctl+0xa4/0x118
[  423.157257][T28415] block nbd4: shutting down sockets
[  423.157451][T28413]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.159057][T28413]  invoke_syscall+0x98/0x2b8
[  423.159775][T28413]  el0_svc_common+0x138/0x258
[  423.160530][T28413]  do_el0_svc+0x58/0x14c
[  423.161213][T28413]  el0_svc+0x78/0x1e0
[  423.161912][T28413]  el0t_64_sync_handler+0xcc/0xe4
[  423.162774][T28413]  el0t_64_sync+0x1a0/0x1a4
[  423.164684][T28413] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.171660][T28411] CPU: 1 PID: 28411 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.173211][T28411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.174963][T28411] Call trace:
[  423.175503][T28411]  dump_backtrace+0x0/0x43c
[  423.176236][T28411]  show_stack+0x2c/0x3c
[  423.176955][T28411]  __dump_stack+0x30/0x40
[  423.177673][T28411]  dump_stack_lvl+0xf8/0x160
[  423.178429][T28411]  dump_stack+0x1c/0x5c
[  423.179027][T28411]  should_fail+0x3c0/0x51c
[  423.179770][T28411]  __should_failslab+0xbc/0x10c
[  423.180544][T28411]  should_failslab+0x10/0x28
[  423.181209][T28411]  slab_pre_alloc_hook+0x64/0xec
[  423.181963][T28411]  __kmalloc_node+0xb8/0x520
[  423.182710][T28411]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.183579][T28411]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.184534][T28411]  nbd_start_device+0x14c/0xb40
[  423.185364][T28411]  nbd_ioctl+0x514/0xc50
[  423.186006][T28411]  blkdev_ioctl+0x5f8/0xbb8
[  423.186706][T28411]  block_ioctl+0xa4/0x118
[  423.187413][T28411]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.188221][T28411]  invoke_syscall+0x98/0x2b8
[  423.189009][T28411]  el0_svc_common+0x138/0x258
[  423.189745][T28411]  do_el0_svc+0x58/0x14c
[  423.190469][T28411]  el0_svc+0x78/0x1e0
[  423.191125][T28411]  el0t_64_sync_handler+0xcc/0xe4
[  423.191943][T28411]  el0t_64_sync+0x1a0/0x1a4
[  423.191983][T28415] FAULT_INJECTION: forcing a failure.
[  423.191983][T28415] name failslab, interval 1, probability 0, space 0, times 0
[  423.193476][T28411] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.197327][T28415] CPU: 0 PID: 28415 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.198745][T28415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.200528][T28415] Call trace:
[  423.201070][T28415]  dump_backtrace+0x0/0x43c
[  423.201884][T28415]  show_stack+0x2c/0x3c
[  423.202579][T28415]  __dump_stack+0x30/0x40
[  423.203244][T28415]  dump_stack_lvl+0xf8/0x160
[  423.204020][T28415]  dump_stack+0x1c/0x5c
[  423.204730][T28415]  should_fail+0x3c0/0x51c
[  423.205546][T28415]  __should_failslab+0xbc/0x10c
[  423.206385][T28415]  should_failslab+0x10/0x28
[  423.207206][T28415]  slab_pre_alloc_hook+0x64/0xec
[  423.207984][T28415]  kmem_cache_alloc+0x94/0x3e4
[  423.208724][T28415]  new_inode_pseudo+0x10c/0x1fc
[  423.209490][T28415]  new_inode+0x38/0x174
[  423.210171][T28415]  debugfs_create_dir+0xec/0x3f4
[  423.210878][T28415]  nbd_start_device+0x3c8/0xb40
[  423.211592][T28415]  nbd_ioctl+0x514/0xc50
[  423.212261][T28415]  blkdev_ioctl+0x5f8/0xbb8
[  423.212973][T28415]  block_ioctl+0xa4/0x118
[  423.213684][T28415]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.214491][T28415]  invoke_syscall+0x98/0x2b8
[  423.215360][T28415]  el0_svc_common+0x138/0x258
[  423.216141][T28415]  do_el0_svc+0x58/0x14c
[  423.216727][T28415]  el0_svc+0x78/0x1e0
[  423.217337][T28415]  el0t_64_sync_handler+0xcc/0xe4
[  423.218120][T28415]  el0t_64_sync+0x1a0/0x1a4
[  423.221295][T28415] debugfs: out of free dentries, can not create directory 'nbd4'
[  423.228369][T28426] block nbd0: shutting down sockets
[  423.231632][ T1643] device hsr_slave_0 left promiscuous mode
[  423.233271][T28415] block nbd4: Failed to create debugfs dir for 'nbd4'
[  423.236784][T28418] FAULT_INJECTION: forcing a failure.
[  423.236784][T28418] name failslab, interval 1, probability 0, space 0, times 0
[  423.238935][T28418] CPU: 1 PID: 28418 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.240348][T28418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.241881][T28418] Call trace:
[  423.242371][T28418]  dump_backtrace+0x0/0x43c
[  423.243150][T28418]  show_stack+0x2c/0x3c
[  423.243854][T28418]  __dump_stack+0x30/0x40
[  423.244554][T28418]  dump_stack_lvl+0xf8/0x160
[  423.245287][T28418]  dump_stack+0x1c/0x5c
[  423.245992][T28418]  should_fail+0x3c0/0x51c
[  423.246763][T28418]  __should_failslab+0xbc/0x10c
[  423.247602][T28418]  should_failslab+0x10/0x28
[  423.248365][T28418]  slab_pre_alloc_hook+0x64/0xec
[  423.249199][T28418]  kmem_cache_alloc+0x94/0x3e4
[  423.250001][T28418]  new_inode_pseudo+0x10c/0x1fc
[  423.250760][T28418]  new_inode+0x38/0x174
[  423.251411][T28418]  debugfs_create_dir+0xec/0x3f4
[  423.252224][T28418]  nbd_start_device+0x3c8/0xb40
[  423.253011][T28418]  nbd_ioctl+0x514/0xc50
[  423.253737][T28418]  blkdev_ioctl+0x5f8/0xbb8
[  423.254463][T28418]  block_ioctl+0xa4/0x118
[  423.255153][T28418]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.255972][T28418]  invoke_syscall+0x98/0x2b8
[  423.256707][T28418]  el0_svc_common+0x138/0x258
[  423.257484][T28418]  do_el0_svc+0x58/0x14c
[  423.258156][T28418]  el0_svc+0x78/0x1e0
[  423.258807][T28418]  el0t_64_sync_handler+0xcc/0xe4
[  423.259609][T28418]  el0t_64_sync+0x1a0/0x1a4
[  423.261710][T28420] block nbd1: shutting down sockets
[  423.275975][T28418] debugfs: out of free dentries, can not create directory 'nbd0'
[  423.277270][T28418] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.287338][ T1643] device hsr_slave_1 left promiscuous mode
[  423.306597][T28425] block nbd3: shutting down sockets
[  423.309919][T28420] FAULT_INJECTION: forcing a failure.
[  423.309919][T28420] name failslab, interval 1, probability 0, space 0, times 0
[  423.311878][T28420] CPU: 1 PID: 28420 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.313341][T28420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.314799][T28420] Call trace:
[  423.315341][T28420]  dump_backtrace+0x0/0x43c
[  423.315985][T28420]  show_stack+0x2c/0x3c
[  423.316603][T28420]  __dump_stack+0x30/0x40
[  423.317237][T28420]  dump_stack_lvl+0xf8/0x160
[  423.317913][T28420]  dump_stack+0x1c/0x5c
[  423.318515][T28420]  should_fail+0x3c0/0x51c
[  423.319144][T28420]  __should_failslab+0xbc/0x10c
[  423.319823][T28420]  should_failslab+0x10/0x28
[  423.320492][T28420]  slab_pre_alloc_hook+0x64/0xec
[  423.321201][T28420]  __kmalloc_node+0xb8/0x520
[  423.321838][T28420]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.322603][T28420]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.323468][T28420]  nbd_start_device+0x14c/0xb40
[  423.324169][T28420]  nbd_ioctl+0x514/0xc50
[  423.324753][T28420]  blkdev_ioctl+0x5f8/0xbb8
[  423.325498][T28420]  block_ioctl+0xa4/0x118
[  423.326167][T28420]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.326885][T28420]  invoke_syscall+0x98/0x2b8
[  423.327539][T28420]  el0_svc_common+0x138/0x258
[  423.328173][T28420]  do_el0_svc+0x58/0x14c
[  423.328763][T28420]  el0_svc+0x78/0x1e0
[  423.329302][T28420]  el0t_64_sync_handler+0xcc/0xe4
[  423.330009][T28420]  el0t_64_sync+0x1a0/0x1a4
[  423.331528][T28420] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.357089][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  423.358221][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_0
[  423.361461][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  423.362654][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_1
[  423.364083][ T1643] device bridge_slave_1 left promiscuous mode
[  423.365152][ T1643] bridge0: port 2(bridge_slave_1) entered disabled state
[  423.367589][T28432] block nbd4: shutting down sockets
[  423.368170][T28425] FAULT_INJECTION: forcing a failure.
[  423.368170][T28425] name failslab, interval 1, probability 0, space 0, times 0
[  423.370494][T28425] CPU: 1 PID: 28425 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.372006][T28425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.373589][T28425] Call trace:
[  423.374192][T28425]  dump_backtrace+0x0/0x43c
[  423.374945][T28425]  show_stack+0x2c/0x3c
[  423.375575][T28425]  __dump_stack+0x30/0x40
[  423.376245][T28425]  dump_stack_lvl+0xf8/0x160
[  423.377074][T28425]  dump_stack+0x1c/0x5c
[  423.377703][T28425]  should_fail+0x3c0/0x51c
[  423.378464][T28425]  __should_failslab+0xbc/0x10c
[  423.379249][T28425]  should_failslab+0x10/0x28
[  423.379497][T28430] block nbd2: shutting down sockets
[  423.379984][T28425]  slab_pre_alloc_hook+0x64/0xec
[  423.381537][T28425]  __kmalloc_node+0xb8/0x520
[  423.382322][T28425]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.383243][T28425]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.384205][T28425]  nbd_start_device+0x14c/0xb40
[  423.385013][T28425]  nbd_ioctl+0x514/0xc50
[  423.385690][T28425]  blkdev_ioctl+0x5f8/0xbb8
[  423.386345][T28425]  block_ioctl+0xa4/0x118
[  423.387018][T28425]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.387746][T28425]  invoke_syscall+0x98/0x2b8
[  423.387899][T28432] FAULT_INJECTION: forcing a failure.
[  423.387899][T28432] name failslab, interval 1, probability 0, space 0, times 0
[  423.388475][T28425]  el0_svc_common+0x138/0x258
[  423.391358][T28425]  do_el0_svc+0x58/0x14c
[  423.392057][T28425]  el0_svc+0x78/0x1e0
[  423.392747][T28425]  el0t_64_sync_handler+0xcc/0xe4
[  423.393603][T28425]  el0t_64_sync+0x1a0/0x1a4
[  423.394325][T28432] CPU: 0 PID: 28432 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.395423][T28425] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.395834][T28432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.395847][T28432] Call trace:
[  423.395856][T28432]  dump_backtrace+0x0/0x43c
[  423.399777][T28432]  show_stack+0x2c/0x3c
[  423.400484][T28432]  __dump_stack+0x30/0x40
[  423.401161][T28434] block nbd0: shutting down sockets
[  423.401197][T28432]  dump_stack_lvl+0xf8/0x160
[  423.402683][T28432]  dump_stack+0x1c/0x5c
[  423.403361][T28432]  should_fail+0x3c0/0x51c
[  423.403978][T28432]  __should_failslab+0xbc/0x10c
[  423.404729][T28432]  should_failslab+0x10/0x28
[  423.405484][T28432]  slab_pre_alloc_hook+0x64/0xec
[  423.406343][T28432]  kmem_cache_alloc+0x94/0x3e4
[  423.407162][T28432]  new_inode_pseudo+0x10c/0x1fc
[  423.407924][T28432]  new_inode+0x38/0x174
[  423.408591][T28432]  debugfs_create_dir+0xec/0x3f4
[  423.409345][T28432]  nbd_start_device+0x3c8/0xb40
[  423.410125][T28432]  nbd_ioctl+0x514/0xc50
[  423.410801][T28432]  blkdev_ioctl+0x5f8/0xbb8
[  423.411515][T28432]  block_ioctl+0xa4/0x118
[  423.412215][T28432]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.413025][T28432]  invoke_syscall+0x98/0x2b8
[  423.413742][T28432]  el0_svc_common+0x138/0x258
[  423.414466][T28432]  do_el0_svc+0x58/0x14c
[  423.415098][T28432]  el0_svc+0x78/0x1e0
[  423.415736][T28432]  el0t_64_sync_handler+0xcc/0xe4
[  423.416499][T28432]  el0t_64_sync+0x1a0/0x1a4
[  423.418616][T28432] debugfs: out of free dentries, can not create directory 'nbd4'
[  423.420103][T28432] block nbd4: Failed to create debugfs dir for 'nbd4'
[  423.420226][T28434] FAULT_INJECTION: forcing a failure.
[  423.420226][T28434] name failslab, interval 1, probability 0, space 0, times 0
[  423.423444][T28434] CPU: 1 PID: 28434 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.424827][T28434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.426446][T28434] Call trace:
[  423.427004][T28434]  dump_backtrace+0x0/0x43c
[  423.427634][T28434]  show_stack+0x2c/0x3c
[  423.428248][T28434]  __dump_stack+0x30/0x40
[  423.428905][T28434]  dump_stack_lvl+0xf8/0x160
[  423.429578][T28434]  dump_stack+0x1c/0x5c
[  423.430313][T28434]  should_fail+0x3c0/0x51c
[  423.431051][T28434]  __should_failslab+0xbc/0x10c
[  423.431748][T28434]  should_failslab+0x10/0x28
[  423.432513][T28434]  slab_pre_alloc_hook+0x64/0xec
[  423.433273][T28434]  kmem_cache_alloc+0x94/0x3e4
[  423.434036][T28434]  new_inode_pseudo+0x10c/0x1fc
[  423.434838][T28434]  new_inode+0x38/0x174
[  423.435526][T28434]  debugfs_create_dir+0xec/0x3f4
[  423.436309][T28434]  nbd_start_device+0x3c8/0xb40
[  423.437053][T28434]  nbd_ioctl+0x514/0xc50
[  423.437763][T28434]  blkdev_ioctl+0x5f8/0xbb8
[  423.438432][T28434]  block_ioctl+0xa4/0x118
[  423.439049][T28434]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.439804][T28434]  invoke_syscall+0x98/0x2b8
[  423.440483][T28434]  el0_svc_common+0x138/0x258
[  423.441250][T28434]  do_el0_svc+0x58/0x14c
[  423.441885][T28434]  el0_svc+0x78/0x1e0
[  423.442493][T28434]  el0t_64_sync_handler+0xcc/0xe4
[  423.443226][T28434]  el0t_64_sync+0x1a0/0x1a4
[  423.445779][T28434] debugfs: out of free dentries, can not create directory 'nbd0'
[  423.448441][T28434] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.478715][ T1643] device bridge_slave_0 left promiscuous mode
[  423.479821][ T1643] bridge0: port 1(bridge_slave_0) entered disabled state
[  423.483223][T28430] FAULT_INJECTION: forcing a failure.
[  423.483223][T28430] name failslab, interval 1, probability 0, space 0, times 0
[  423.485289][T28430] CPU: 0 PID: 28430 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.486860][T28430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.488448][T28430] Call trace:
[  423.488959][T28430]  dump_backtrace+0x0/0x43c
[  423.489615][T28430]  show_stack+0x2c/0x3c
[  423.490233][T28430]  __dump_stack+0x30/0x40
[  423.490905][T28430]  dump_stack_lvl+0xf8/0x160
[  423.491560][T28430]  dump_stack+0x1c/0x5c
[  423.492214][T28430]  should_fail+0x3c0/0x51c
[  423.492889][T28430]  __should_failslab+0xbc/0x10c
[  423.493695][T28430]  should_failslab+0x10/0x28
[  423.494365][T28430]  slab_pre_alloc_hook+0x64/0xec
[  423.495208][T28430]  __kmalloc_node+0xb8/0x520
[  423.495888][T28430]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.496668][T28430]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.497646][T28430]  nbd_start_device+0x14c/0xb40
[  423.498438][T28430]  nbd_ioctl+0x514/0xc50
[  423.499245][T28430]  blkdev_ioctl+0x5f8/0xbb8
[  423.500050][T28430]  block_ioctl+0xa4/0x118
[  423.500740][T28430]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.501557][T28430]  invoke_syscall+0x98/0x2b8
[  423.502307][T28430]  el0_svc_common+0x138/0x258
[  423.503034][T28430]  do_el0_svc+0x58/0x14c
[  423.503732][T28430]  el0_svc+0x78/0x1e0
[  423.504367][T28430]  el0t_64_sync_handler+0xcc/0xe4
[  423.505253][T28430]  el0t_64_sync+0x1a0/0x1a4
[  423.510286][T28438] block nbd1: shutting down sockets
[  423.516438][T28430] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.532971][ T1643] device hsr_slave_0 left promiscuous mode
[  423.547871][T28444] block nbd3: shutting down sockets
[  423.556709][T28441] block nbd4: shutting down sockets
[  423.558190][T28436] FAULT_INJECTION: forcing a failure.
[  423.558190][T28436] name failslab, interval 1, probability 0, space 0, times 0
[  423.560244][T28436] CPU: 1 PID: 28436 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.561557][T28436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.563076][T28436] Call trace:
[  423.563576][T28436]  dump_backtrace+0x0/0x43c
[  423.564339][T28436]  show_stack+0x2c/0x3c
[  423.564987][T28436]  __dump_stack+0x30/0x40
[  423.565674][T28436]  dump_stack_lvl+0xf8/0x160
[  423.566451][T28436]  dump_stack+0x1c/0x5c
[  423.567111][T28436]  should_fail+0x3c0/0x51c
[  423.567804][T28436]  __should_failslab+0xbc/0x10c
[  423.568563][T28436]  should_failslab+0x10/0x28
[  423.569222][T28445] block nbd0: shutting down sockets
[  423.569256][T28436]  slab_pre_alloc_hook+0x64/0xec
[  423.570855][T28436]  __kmalloc_node+0xb8/0x520
[  423.571618][T28436]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.572521][T28436]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.573401][T28436]  nbd_start_device+0x14c/0xb40
[  423.574175][T28436]  nbd_ioctl+0x514/0xc50
[  423.574870][T28436]  blkdev_ioctl+0x5f8/0xbb8
[  423.575560][T28436]  block_ioctl+0xa4/0x118
[  423.576259][T28436]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.577061][T28436]  invoke_syscall+0x98/0x2b8
[  423.577851][T28436]  el0_svc_common+0x138/0x258
[  423.578614][T28436]  do_el0_svc+0x58/0x14c
[  423.579317][T28436]  el0_svc+0x78/0x1e0
[  423.579998][T28436]  el0t_64_sync_handler+0xcc/0xe4
[  423.580881][T28436]  el0t_64_sync+0x1a0/0x1a4
[  423.581703][ T1643] device hsr_slave_1 left promiscuous mode
[  423.583231][T28436] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.583678][T28441] FAULT_INJECTION: forcing a failure.
[  423.583678][T28441] name failslab, interval 1, probability 0, space 0, times 0
[  423.589282][T28441] CPU: 0 PID: 28441 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.590787][T28441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.592433][T28441] Call trace:
[  423.592992][T28441]  dump_backtrace+0x0/0x43c
[  423.593727][T28441]  show_stack+0x2c/0x3c
[  423.594394][T28441]  __dump_stack+0x30/0x40
[  423.595063][T28441]  dump_stack_lvl+0xf8/0x160
[  423.595776][T28441]  dump_stack+0x1c/0x5c
[  423.596398][T28441]  should_fail+0x3c0/0x51c
[  423.597119][T28441]  __should_failslab+0xbc/0x10c
[  423.597874][T28441]  should_failslab+0x10/0x28
[  423.598589][T28441]  slab_pre_alloc_hook+0x64/0xec
[  423.599316][T28441]  kmem_cache_alloc+0x94/0x3e4
[  423.600021][T28441]  new_inode_pseudo+0x10c/0x1fc
[  423.600765][T28441]  new_inode+0x38/0x174
[  423.601425][T28441]  debugfs_create_dir+0xec/0x3f4
[  423.602183][T28441]  nbd_start_device+0x3c8/0xb40
[  423.602932][T28441]  nbd_ioctl+0x514/0xc50
[  423.603599][T28441]  blkdev_ioctl+0x5f8/0xbb8
[  423.604331][T28441]  block_ioctl+0xa4/0x118
[  423.605047][T28441]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.605838][T28441]  invoke_syscall+0x98/0x2b8
[  423.606607][T28441]  el0_svc_common+0x138/0x258
[  423.607343][T28441]  do_el0_svc+0x58/0x14c
[  423.607950][T28441]  el0_svc+0x78/0x1e0
[  423.608588][T28441]  el0t_64_sync_handler+0xcc/0xe4
[  423.609351][T28441]  el0t_64_sync+0x1a0/0x1a4
[  423.614603][T28444] FAULT_INJECTION: forcing a failure.
[  423.614603][T28444] name failslab, interval 1, probability 0, space 0, times 0
[  423.617742][T28447] block nbd2: shutting down sockets
[  423.628305][T28444] CPU: 0 PID: 28444 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.629724][T28444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.631279][T28444] Call trace:
[  423.631804][T28444]  dump_backtrace+0x0/0x43c
[  423.632450][T28444]  show_stack+0x2c/0x3c
[  423.633092][T28444]  __dump_stack+0x30/0x40
[  423.633755][T28444]  dump_stack_lvl+0xf8/0x160
[  423.634409][T28444]  dump_stack+0x1c/0x5c
[  423.635023][T28444]  should_fail+0x3c0/0x51c
[  423.635692][T28444]  __should_failslab+0xbc/0x10c
[  423.636432][T28444]  should_failslab+0x10/0x28
[  423.637117][T28444]  slab_pre_alloc_hook+0x64/0xec
[  423.638001][T28444]  __kmalloc_node+0xb8/0x520
[  423.638710][T28444]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.639602][T28444]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.640576][T28444]  nbd_start_device+0x14c/0xb40
[  423.641336][T28444]  nbd_ioctl+0x514/0xc50
[  423.642029][T28444]  blkdev_ioctl+0x5f8/0xbb8
[  423.642707][T28444]  block_ioctl+0xa4/0x118
[  423.643329][T28444]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.644106][T28444]  invoke_syscall+0x98/0x2b8
[  423.644844][T28444]  el0_svc_common+0x138/0x258
[  423.645613][T28444]  do_el0_svc+0x58/0x14c
[  423.646319][T28444]  el0_svc+0x78/0x1e0
[  423.646992][T28444]  el0t_64_sync_handler+0xcc/0xe4
[  423.647864][T28444]  el0t_64_sync+0x1a0/0x1a4
[  423.652589][T28441] debugfs: out of free dentries, can not create directory 'nbd4'
[  423.654093][T28441] block nbd4: Failed to create debugfs dir for 'nbd4'
[  423.666496][T28444] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.672627][T28445] FAULT_INJECTION: forcing a failure.
[  423.672627][T28445] name failslab, interval 1, probability 0, space 0, times 0
[  423.677157][T28445] CPU: 0 PID: 28445 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.678539][T28445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.680066][T28445] Call trace:
[  423.680553][T28445]  dump_backtrace+0x0/0x43c
[  423.681273][T28445]  show_stack+0x2c/0x3c
[  423.681915][T28445]  __dump_stack+0x30/0x40
[  423.682586][T28445]  dump_stack_lvl+0xf8/0x160
[  423.683270][T28445]  dump_stack+0x1c/0x5c
[  423.683942][T28445]  should_fail+0x3c0/0x51c
[  423.684650][T28445]  __should_failslab+0xbc/0x10c
[  423.685514][T28445]  should_failslab+0x10/0x28
[  423.686331][T28445]  slab_pre_alloc_hook+0x64/0xec
[  423.687193][T28445]  kmem_cache_alloc+0x94/0x3e4
[  423.687959][T28445]  new_inode_pseudo+0x10c/0x1fc
[  423.688773][T28445]  new_inode+0x38/0x174
[  423.689508][T28445]  debugfs_create_dir+0xec/0x3f4
[  423.690334][T28445]  nbd_start_device+0x3c8/0xb40
[  423.691121][T28445]  nbd_ioctl+0x514/0xc50
[  423.691820][T28445]  blkdev_ioctl+0x5f8/0xbb8
[  423.692586][T28445]  block_ioctl+0xa4/0x118
[  423.693301][T28445]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.694104][T28445]  invoke_syscall+0x98/0x2b8
[  423.694830][T28445]  el0_svc_common+0x138/0x258
[  423.695558][T28445]  do_el0_svc+0x58/0x14c
[  423.696179][T28445]  el0_svc+0x78/0x1e0
[  423.696783][T28445]  el0t_64_sync_handler+0xcc/0xe4
[  423.697516][T28445]  el0t_64_sync+0x1a0/0x1a4
[  423.701077][T28445] debugfs: out of free dentries, can not create directory 'nbd0'
[  423.702601][T28445] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.707254][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  423.708443][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_0
[  423.714737][T28447] FAULT_INJECTION: forcing a failure.
[  423.714737][T28447] name failslab, interval 1, probability 0, space 0, times 0
[  423.719193][T28447] CPU: 0 PID: 28447 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.720535][T28447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.722258][T28447] Call trace:
[  423.722837][T28447]  dump_backtrace+0x0/0x43c
[  423.723629][T28447]  show_stack+0x2c/0x3c
[  423.724329][T28447]  __dump_stack+0x30/0x40
[  423.725136][T28447]  dump_stack_lvl+0xf8/0x160
[  423.725872][T28447]  dump_stack+0x1c/0x5c
[  423.726545][T28447]  should_fail+0x3c0/0x51c
[  423.727233][T28447]  __should_failslab+0xbc/0x10c
[  423.728041][T28447]  should_failslab+0x10/0x28
[  423.728798][T28447]  slab_pre_alloc_hook+0x64/0xec
[  423.729616][T28447]  __kmalloc_node+0xb8/0x520
[  423.730375][T28447]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.731243][T28447]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.732202][T28447]  nbd_start_device+0x14c/0xb40
[  423.732976][T28447]  nbd_ioctl+0x514/0xc50
[  423.733632][T28447]  blkdev_ioctl+0x5f8/0xbb8
[  423.734398][T28447]  block_ioctl+0xa4/0x118
[  423.735125][T28447]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.735900][T28447]  invoke_syscall+0x98/0x2b8
[  423.736579][T28447]  el0_svc_common+0x138/0x258
[  423.737329][T28447]  do_el0_svc+0x58/0x14c
[  423.737983][T28447]  el0_svc+0x78/0x1e0
[  423.738656][T28447]  el0t_64_sync_handler+0xcc/0xe4
[  423.739453][T28447]  el0t_64_sync+0x1a0/0x1a4
[  423.743829][ T1643] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  423.745092][ T1643] batman_adv: batadv0: Removing interface: batadv_slave_1
[  423.747185][ T1643] device bridge_slave_1 left promiscuous mode
[  423.748469][ T1643] bridge0: port 2(bridge_slave_1) entered disabled state
[  423.750046][T28447] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.787220][ T1643] device bridge_slave_0 left promiscuous mode
[  423.788396][ T1643] bridge0: port 1(bridge_slave_0) entered disabled state
[  423.806874][T28457] block nbd3: shutting down sockets
[  423.807896][T28463] block nbd4: shutting down sockets
[  423.816167][T28458] block nbd1: shutting down sockets
[  423.827649][T28454] FAULT_INJECTION: forcing a failure.
[  423.827649][T28454] name failslab, interval 1, probability 0, space 0, times 0
[  423.829692][T28454] CPU: 1 PID: 28454 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.831148][T28454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.832730][T28454] Call trace:
[  423.833241][T28454]  dump_backtrace+0x0/0x43c
[  423.833952][T28454]  show_stack+0x2c/0x3c
[  423.834577][T28454]  __dump_stack+0x30/0x40
[  423.835246][T28454]  dump_stack_lvl+0xf8/0x160
[  423.835999][T28454]  dump_stack+0x1c/0x5c
[  423.836626][T28454]  should_fail+0x3c0/0x51c
[  423.837384][T28454]  __should_failslab+0xbc/0x10c
[  423.838175][T28454]  should_failslab+0x10/0x28
[  423.838910][T28454]  slab_pre_alloc_hook+0x64/0xec
[  423.839746][T28454]  kmem_cache_alloc+0x94/0x3e4
[  423.840547][T28454]  new_inode_pseudo+0x10c/0x1fc
[  423.841372][T28454]  new_inode+0x38/0x174
[  423.842082][T28454]  debugfs_create_dir+0xec/0x3f4
[  423.842883][T28454]  nbd_start_device+0x3c8/0xb40
[  423.843638][T28454]  nbd_ioctl+0x514/0xc50
[  423.844336][T28454]  blkdev_ioctl+0x5f8/0xbb8
[  423.845058][T28454]  block_ioctl+0xa4/0x118
[  423.845765][T28454]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.846559][T28454]  invoke_syscall+0x98/0x2b8
[  423.847241][T28454]  el0_svc_common+0x138/0x258
[  423.848007][T28454]  do_el0_svc+0x58/0x14c
[  423.848635][T28454]  el0_svc+0x78/0x1e0
[  423.849289][T28454]  el0t_64_sync_handler+0xcc/0xe4
[  423.850109][T28454]  el0t_64_sync+0x1a0/0x1a4
[  423.850902][T28454] debugfs: out of free dentries, can not create directory 'nbd4'
[  423.852685][T28454] block nbd4: Failed to create debugfs dir for 'nbd4'
[  423.866608][T28464] block nbd2: shutting down sockets
[  423.878080][T28457] FAULT_INJECTION: forcing a failure.
[  423.878080][T28457] name failslab, interval 1, probability 0, space 0, times 0
[  423.879981][T28457] CPU: 1 PID: 28457 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.881425][T28457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.882886][T28457] Call trace:
[  423.883399][T28457]  dump_backtrace+0x0/0x43c
[  423.884053][T28457]  show_stack+0x2c/0x3c
[  423.884625][T28457]  __dump_stack+0x30/0x40
[  423.885290][T28457]  dump_stack_lvl+0xf8/0x160
[  423.885953][T28457]  dump_stack+0x1c/0x5c
[  423.886528][T28457]  should_fail+0x3c0/0x51c
[  423.887153][T28457]  __should_failslab+0xbc/0x10c
[  423.887877][T28457]  should_failslab+0x10/0x28
[  423.888574][T28457]  slab_pre_alloc_hook+0x64/0xec
[  423.889362][T28457]  __kmalloc_node+0xb8/0x520
[  423.890139][T28457]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.891019][T28457]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.891956][T28457]  nbd_start_device+0x14c/0xb40
[  423.892712][T28457]  nbd_ioctl+0x514/0xc50
[  423.893391][T28457]  blkdev_ioctl+0x5f8/0xbb8
[  423.894102][T28457]  block_ioctl+0xa4/0x118
[  423.894764][T28457]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.895508][T28457]  invoke_syscall+0x98/0x2b8
[  423.896199][T28457]  el0_svc_common+0x138/0x258
[  423.896889][T28457]  do_el0_svc+0x58/0x14c
[  423.897583][T28457]  el0_svc+0x78/0x1e0
[  423.898294][T28457]  el0t_64_sync_handler+0xcc/0xe4
[  423.899161][T28457]  el0t_64_sync+0x1a0/0x1a4
[  423.910305][T28462] FAULT_INJECTION: forcing a failure.
[  423.910305][T28462] name failslab, interval 1, probability 0, space 0, times 0
[  423.912732][T28462] CPU: 0 PID: 28462 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.914271][T28462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.915931][T28462] Call trace:
[  423.916438][T28462]  dump_backtrace+0x0/0x43c
[  423.917143][T28462]  show_stack+0x2c/0x3c
[  423.917796][T28462]  __dump_stack+0x30/0x40
[  423.918537][T28462]  dump_stack_lvl+0xf8/0x160
[  423.919281][T28462]  dump_stack+0x1c/0x5c
[  423.919942][T28462]  should_fail+0x3c0/0x51c
[  423.920566][T28462]  __should_failslab+0xbc/0x10c
[  423.921306][T28462]  should_failslab+0x10/0x28
[  423.922008][T28462]  slab_pre_alloc_hook+0x64/0xec
[  423.922800][T28462]  kmem_cache_alloc+0x94/0x3e4
[  423.923587][T28462]  new_inode_pseudo+0x10c/0x1fc
[  423.924313][T28462]  new_inode+0x38/0x174
[  423.924926][T28462]  debugfs_create_dir+0xec/0x3f4
[  423.925728][T28462]  nbd_start_device+0x3c8/0xb40
[  423.926553][T28462]  nbd_ioctl+0x514/0xc50
[  423.927272][T28462]  blkdev_ioctl+0x5f8/0xbb8
[  423.927998][T28462]  block_ioctl+0xa4/0x118
[  423.928705][T28462]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.929494][T28462]  invoke_syscall+0x98/0x2b8
[  423.930196][T28462]  el0_svc_common+0x138/0x258
[  423.930905][T28462]  do_el0_svc+0x58/0x14c
[  423.931572][T28462]  el0_svc+0x78/0x1e0
[  423.932216][T28462]  el0t_64_sync_handler+0xcc/0xe4
[  423.933037][T28462]  el0t_64_sync+0x1a0/0x1a4
[  423.939287][T28452] FAULT_INJECTION: forcing a failure.
[  423.939287][T28452] name failslab, interval 1, probability 0, space 0, times 0
[  423.940529][T28460] FAULT_INJECTION: forcing a failure.
[  423.940529][T28460] name failslab, interval 1, probability 0, space 0, times 0
[  423.941225][T28452] CPU: 1 PID: 28452 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.944592][T28452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.946051][T28452] Call trace:
[  423.946521][T28452]  dump_backtrace+0x0/0x43c
[  423.947205][T28452]  show_stack+0x2c/0x3c
[  423.947393][ T1643] device veth1_macvtap left promiscuous mode
[  423.947818][T28452]  __dump_stack+0x30/0x40
[  423.948734][ T1643] device veth0_macvtap left promiscuous mode
[  423.949397][T28452]  dump_stack_lvl+0xf8/0x160
[  423.950444][ T1643] device veth1_vlan left promiscuous mode
[  423.951095][T28452]  dump_stack+0x1c/0x5c
[  423.952056][ T1643] device veth0_vlan left promiscuous mode
[  423.952684][T28452]  should_fail+0x3c0/0x51c
[  423.954272][T28452]  __should_failslab+0xbc/0x10c
[  423.954589][T28462] debugfs: out of free dentries, can not create directory 'nbd0'
[  423.955056][T28452]  should_failslab+0x10/0x28
[  423.956918][T28452]  slab_pre_alloc_hook+0x64/0xec
[  423.957761][T28452]  __kmalloc_node+0xb8/0x520
[  423.958529][T28452]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.959356][T28452]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.959824][T28462] block nbd0: Failed to create debugfs dir for 'nbd0'
[  423.960257][T28452]  nbd_start_device+0x14c/0xb40
[  423.960276][T28452]  nbd_ioctl+0x514/0xc50
[  423.962676][T28452]  blkdev_ioctl+0x5f8/0xbb8
[  423.963304][T28452]  block_ioctl+0xa4/0x118
[  423.963930][T28452]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.964650][T28452]  invoke_syscall+0x98/0x2b8
[  423.965289][T28452]  el0_svc_common+0x138/0x258
[  423.965993][T28452]  do_el0_svc+0x58/0x14c
[  423.966647][T28452]  el0_svc+0x78/0x1e0
[  423.967242][T28452]  el0t_64_sync_handler+0xcc/0xe4
[  423.968056][T28452]  el0t_64_sync+0x1a0/0x1a4
[  423.969383][T28457] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.972539][T28452] Increasing nr_hw_queues to 2 fails, fallback to 1
[  423.975088][T28460] CPU: 1 PID: 28460 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  423.976396][T28460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  423.977852][T28460] Call trace:
[  423.978334][T28460]  dump_backtrace+0x0/0x43c
[  423.979066][T28460]  show_stack+0x2c/0x3c
[  423.979712][T28460]  __dump_stack+0x30/0x40
[  423.980349][T28460]  dump_stack_lvl+0xf8/0x160
[  423.981051][T28460]  dump_stack+0x1c/0x5c
[  423.981676][T28460]  should_fail+0x3c0/0x51c
[  423.982364][T28460]  __should_failslab+0xbc/0x10c
[  423.983136][T28460]  should_failslab+0x10/0x28
[  423.983871][T28460]  slab_pre_alloc_hook+0x64/0xec
[  423.984677][T28460]  __kmalloc_node+0xb8/0x520
[  423.985423][T28460]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  423.986347][T28460]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  423.987276][T28460]  nbd_start_device+0x14c/0xb40
[  423.988031][T28460]  nbd_ioctl+0x514/0xc50
[  423.988745][T28460]  blkdev_ioctl+0x5f8/0xbb8
[  423.989440][T28460]  block_ioctl+0xa4/0x118
[  423.990151][T28460]  __arm64_sys_ioctl+0x14c/0x1c8
[  423.990945][T28460]  invoke_syscall+0x98/0x2b8
[  423.991687][T28460]  el0_svc_common+0x138/0x258
[  423.992430][T28460]  do_el0_svc+0x58/0x14c
[  423.993076][T28460]  el0_svc+0x78/0x1e0
[  423.993658][T28460]  el0t_64_sync_handler+0xcc/0xe4
[  423.994438][T28460]  el0t_64_sync+0x1a0/0x1a4
[  423.996038][T28460] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.086119][ T1643] device veth1_macvtap left promiscuous mode
[  424.087203][ T1643] device veth0_macvtap left promiscuous mode
[  424.087801][T28473] block nbd2: shutting down sockets
[  424.088185][ T1643] device veth1_vlan left promiscuous mode
[  424.089966][ T1643] device veth0_vlan left promiscuous mode
[  424.097642][T28471] block nbd4: shutting down sockets
[  424.098886][T28476] block nbd3: shutting down sockets
[  424.108664][T28471] FAULT_INJECTION: forcing a failure.
[  424.108664][T28471] name failslab, interval 1, probability 0, space 0, times 0
[  424.110647][T28471] CPU: 0 PID: 28471 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.112109][T28471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.113646][T28471] Call trace:
[  424.114163][T28471]  dump_backtrace+0x0/0x43c
[  424.114875][T28471]  show_stack+0x2c/0x3c
[  424.115517][T28471]  __dump_stack+0x30/0x40
[  424.116209][T28471]  dump_stack_lvl+0xf8/0x160
[  424.116979][T28471]  dump_stack+0x1c/0x5c
[  424.117688][T28471]  should_fail+0x3c0/0x51c
[  424.118370][T28471]  __should_failslab+0xbc/0x10c
[  424.119140][T28471]  should_failslab+0x10/0x28
[  424.119795][T28471]  slab_pre_alloc_hook+0x64/0xec
[  424.120579][T28471]  kmem_cache_alloc+0x94/0x3e4
[  424.121397][T28471]  new_inode_pseudo+0x10c/0x1fc
[  424.122189][T28471]  new_inode+0x38/0x174
[  424.122836][T28471]  debugfs_create_dir+0xec/0x3f4
[  424.123596][T28471]  nbd_start_device+0x3c8/0xb40
[  424.124359][T28471]  nbd_ioctl+0x514/0xc50
[  424.125035][T28471]  blkdev_ioctl+0x5f8/0xbb8
[  424.125800][T28471]  block_ioctl+0xa4/0x118
[  424.126517][T28471]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.127286][T28471]  invoke_syscall+0x98/0x2b8
[  424.128034][T28471]  el0_svc_common+0x138/0x258
[  424.128738][T28471]  do_el0_svc+0x58/0x14c
[  424.129460][T28471]  el0_svc+0x78/0x1e0
[  424.130026][T28471]  el0t_64_sync_handler+0xcc/0xe4
[  424.130723][T28471]  el0t_64_sync+0x1a0/0x1a4
[  424.133824][T28462] block nbd0: shutting down sockets
[  424.148378][T28471] debugfs: out of free dentries, can not create directory 'nbd4'
[  424.148384][T28477] block nbd1: shutting down sockets
[  424.150468][T28471] block nbd4: Failed to create debugfs dir for 'nbd4'
[  424.159562][T28473] FAULT_INJECTION: forcing a failure.
[  424.159562][T28473] name failslab, interval 1, probability 0, space 0, times 0
[  424.161500][T28473] CPU: 0 PID: 28473 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.162989][T28473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.164660][T28473] Call trace:
[  424.165252][T28473]  dump_backtrace+0x0/0x43c
[  424.165977][T28473]  show_stack+0x2c/0x3c
[  424.166665][T28473]  __dump_stack+0x30/0x40
[  424.167427][T28473]  dump_stack_lvl+0xf8/0x160
[  424.168167][T28473]  dump_stack+0x1c/0x5c
[  424.168803][T28473]  should_fail+0x3c0/0x51c
[  424.169514][T28473]  __should_failslab+0xbc/0x10c
[  424.170248][T28473]  should_failslab+0x10/0x28
[  424.171000][T28473]  slab_pre_alloc_hook+0x64/0xec
[  424.171857][T28473]  __kmalloc_node+0xb8/0x520
[  424.172642][T28473]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.173550][T28473]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.174487][T28473]  nbd_start_device+0x14c/0xb40
[  424.175278][T28473]  nbd_ioctl+0x514/0xc50
[  424.175956][T28473]  blkdev_ioctl+0x5f8/0xbb8
[  424.176711][T28473]  block_ioctl+0xa4/0x118
[  424.177433][T28473]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.178202][T28473]  invoke_syscall+0x98/0x2b8
[  424.178381][T28472] FAULT_INJECTION: forcing a failure.
[  424.178381][T28472] name failslab, interval 1, probability 0, space 0, times 0
[  424.178963][T28473]  el0_svc_common+0x138/0x258
[  424.181646][T28473]  do_el0_svc+0x58/0x14c
[  424.182289][T28473]  el0_svc+0x78/0x1e0
[  424.182948][T28473]  el0t_64_sync_handler+0xcc/0xe4
[  424.183709][T28473]  el0t_64_sync+0x1a0/0x1a4
[  424.184376][T28472] CPU: 1 PID: 28472 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.185818][T28472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.187376][T28472] Call trace:
[  424.187876][T28472]  dump_backtrace+0x0/0x43c
[  424.188577][T28472]  show_stack+0x2c/0x3c
[  424.189283][T28472]  __dump_stack+0x30/0x40
[  424.189999][T28472]  dump_stack_lvl+0xf8/0x160
[  424.190699][T28472]  dump_stack+0x1c/0x5c
[  424.191317][T28472]  should_fail+0x3c0/0x51c
[  424.192028][T28472]  __should_failslab+0xbc/0x10c
[  424.192761][T28472]  should_failslab+0x10/0x28
[  424.193509][T28472]  slab_pre_alloc_hook+0x64/0xec
[  424.194258][T28472]  __kmalloc_node+0xb8/0x520
[  424.194914][T28472]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.195696][T28472]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.196530][T28472]  nbd_start_device+0x14c/0xb40
[  424.197226][T28472]  nbd_ioctl+0x514/0xc50
[  424.197941][T28472]  blkdev_ioctl+0x5f8/0xbb8
[  424.198593][T28472]  block_ioctl+0xa4/0x118
[  424.199287][T28472]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.200111][T28472]  invoke_syscall+0x98/0x2b8
[  424.200881][T28472]  el0_svc_common+0x138/0x258
[  424.201628][T28472]  do_el0_svc+0x58/0x14c
[  424.202316][T28472]  el0_svc+0x78/0x1e0
[  424.203020][T28472]  el0t_64_sync_handler+0xcc/0xe4
[  424.203873][T28472]  el0t_64_sync+0x1a0/0x1a4
[  424.207940][T28473] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.211243][ T1643] device veth1_macvtap left promiscuous mode
[  424.212171][ T1643] device veth0_macvtap left promiscuous mode
[  424.213129][ T1643] device veth1_vlan left promiscuous mode
[  424.214059][ T1643] device veth0_vlan left promiscuous mode
[  424.227347][T28472] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.231541][T28475] FAULT_INJECTION: forcing a failure.
[  424.231541][T28475] name failslab, interval 1, probability 0, space 0, times 0
[  424.233530][T28475] CPU: 0 PID: 28475 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.235034][T28475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.236729][T28475] Call trace:
[  424.237245][T28475]  dump_backtrace+0x0/0x43c
[  424.237910][T28475]  show_stack+0x2c/0x3c
[  424.238602][T28475]  __dump_stack+0x30/0x40
[  424.239310][T28475]  dump_stack_lvl+0xf8/0x160
[  424.240070][T28475]  dump_stack+0x1c/0x5c
[  424.240732][T28475]  should_fail+0x3c0/0x51c
[  424.241435][T28475]  __should_failslab+0xbc/0x10c
[  424.242175][T28475]  should_failslab+0x10/0x28
[  424.242895][T28475]  slab_pre_alloc_hook+0x64/0xec
[  424.243738][T28475]  __kmalloc_node+0xb8/0x520
[  424.244478][T28475]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.245343][T28475]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.246246][T28475]  nbd_start_device+0x14c/0xb40
[  424.247024][T28475]  nbd_ioctl+0x514/0xc50
[  424.247671][T28475]  blkdev_ioctl+0x5f8/0xbb8
[  424.248373][T28475]  block_ioctl+0xa4/0x118
[  424.249111][T28475]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.249892][T28475]  invoke_syscall+0x98/0x2b8
[  424.250622][T28475]  el0_svc_common+0x138/0x258
[  424.251312][T28475]  do_el0_svc+0x58/0x14c
[  424.251985][T28475]  el0_svc+0x78/0x1e0
[  424.252641][T28475]  el0t_64_sync_handler+0xcc/0xe4
[  424.253460][T28475]  el0t_64_sync+0x1a0/0x1a4
[  424.262519][T28475] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.287791][ T1643] device veth1_macvtap left promiscuous mode
[  424.288914][ T1643] device veth0_macvtap left promiscuous mode
[  424.289967][ T1643] device veth1_vlan left promiscuous mode
[  424.291059][ T1643] device veth0_vlan left promiscuous mode
[  424.337174][T28481] block nbd4: shutting down sockets
[  424.348939][T28488] block nbd2: shutting down sockets
[  424.349900][T28483] block nbd0: shutting down sockets
[  424.352041][T28489] block nbd1: shutting down sockets
[  424.354129][T28481] FAULT_INJECTION: forcing a failure.
[  424.354129][T28481] name failslab, interval 1, probability 0, space 0, times 0
[  424.357548][T28486] block nbd3: shutting down sockets
[  424.368829][T28481] CPU: 0 PID: 28481 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.370388][T28481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.371956][T28481] Call trace:
[  424.372506][T28481]  dump_backtrace+0x0/0x43c
[  424.373250][T28481]  show_stack+0x2c/0x3c
[  424.373884][T28481]  __dump_stack+0x30/0x40
[  424.374610][T28481]  dump_stack_lvl+0xf8/0x160
[  424.375321][T28481]  dump_stack+0x1c/0x5c
[  424.375996][T28481]  should_fail+0x3c0/0x51c
[  424.376642][T28481]  __should_failslab+0xbc/0x10c
[  424.377432][T28481]  should_failslab+0x10/0x28
[  424.378123][T28481]  slab_pre_alloc_hook+0x64/0xec
[  424.378823][T28481]  kmem_cache_alloc+0x94/0x3e4
[  424.379644][T28481]  new_inode_pseudo+0x10c/0x1fc
[  424.380427][T28481]  new_inode+0x38/0x174
[  424.381090][T28481]  debugfs_create_dir+0xec/0x3f4
[  424.381830][T28481]  nbd_start_device+0x3c8/0xb40
[  424.382612][T28481]  nbd_ioctl+0x514/0xc50
[  424.383284][T28481]  blkdev_ioctl+0x5f8/0xbb8
[  424.384025][T28481]  block_ioctl+0xa4/0x118
[  424.384732][T28481]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.385568][T28481]  invoke_syscall+0x98/0x2b8
[  424.386304][T28481]  el0_svc_common+0x138/0x258
[  424.387063][T28481]  do_el0_svc+0x58/0x14c
[  424.387750][T28481]  el0_svc+0x78/0x1e0
[  424.388375][T28481]  el0t_64_sync_handler+0xcc/0xe4
[  424.389155][T28481]  el0t_64_sync+0x1a0/0x1a4
[  424.392160][T28481] debugfs: out of free dentries, can not create directory 'nbd4'
[  424.393775][T28483] FAULT_INJECTION: forcing a failure.
[  424.393775][T28483] name failslab, interval 1, probability 0, space 0, times 0
[  424.394999][T28481] block nbd4: Failed to create debugfs dir for 'nbd4'
[  424.396348][T28483] CPU: 0 PID: 28483 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.398057][T28483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.399664][T28483] Call trace:
[  424.400179][T28483]  dump_backtrace+0x0/0x43c
[  424.400885][T28483]  show_stack+0x2c/0x3c
[  424.401539][T28483]  __dump_stack+0x30/0x40
[  424.402236][T28483]  dump_stack_lvl+0xf8/0x160
[  424.402913][T28483]  dump_stack+0x1c/0x5c
[  424.403635][T28483]  should_fail+0x3c0/0x51c
[  424.404404][T28483]  __should_failslab+0xbc/0x10c
[  424.405237][T28483]  should_failslab+0x10/0x28
[  424.405991][T28483]  slab_pre_alloc_hook+0x64/0xec
[  424.406779][T28483]  kmem_cache_alloc+0x94/0x3e4
[  424.407565][T28483]  new_inode_pseudo+0x10c/0x1fc
[  424.408390][T28483]  new_inode+0x38/0x174
[  424.409109][T28483]  debugfs_create_dir+0xec/0x3f4
[  424.409949][T28483]  nbd_start_device+0x3c8/0xb40
[  424.410785][T28483]  nbd_ioctl+0x514/0xc50
[  424.411491][T28483]  blkdev_ioctl+0x5f8/0xbb8
[  424.412210][T28483]  block_ioctl+0xa4/0x118
[  424.412919][T28483]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.413761][T28483]  invoke_syscall+0x98/0x2b8
[  424.414480][T28483]  el0_svc_common+0x138/0x258
[  424.415478][T28483]  do_el0_svc+0x58/0x14c
[  424.416240][T28483]  el0_svc+0x78/0x1e0
[  424.416864][T28483]  el0t_64_sync_handler+0xcc/0xe4
[  424.417702][T28483]  el0t_64_sync+0x1a0/0x1a4
[  424.422399][T28488] FAULT_INJECTION: forcing a failure.
[  424.422399][T28488] name failslab, interval 1, probability 0, space 0, times 0
[  424.424687][T28488] CPU: 0 PID: 28488 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.426146][T28488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.427783][T28488] Call trace:
[  424.428295][T28488]  dump_backtrace+0x0/0x43c
[  424.429025][T28488]  show_stack+0x2c/0x3c
[  424.429749][T28488]  __dump_stack+0x30/0x40
[  424.430488][T28488]  dump_stack_lvl+0xf8/0x160
[  424.431267][T28488]  dump_stack+0x1c/0x5c
[  424.431920][T28488]  should_fail+0x3c0/0x51c
[  424.432633][T28488]  __should_failslab+0xbc/0x10c
[  424.433390][T28488]  should_failslab+0x10/0x28
[  424.434140][T28488]  slab_pre_alloc_hook+0x64/0xec
[  424.434941][T28488]  __kmalloc_node+0xb8/0x520
[  424.435676][T28488]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.436560][T28488]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.437453][T28488]  nbd_start_device+0x14c/0xb40
[  424.438283][T28488]  nbd_ioctl+0x514/0xc50
[  424.439012][T28488]  blkdev_ioctl+0x5f8/0xbb8
[  424.439685][T28488]  block_ioctl+0xa4/0x118
[  424.440419][T28488]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.441275][T28488]  invoke_syscall+0x98/0x2b8
[  424.441998][T28488]  el0_svc_common+0x138/0x258
[  424.442754][T28488]  do_el0_svc+0x58/0x14c
[  424.443467][T28488]  el0_svc+0x78/0x1e0
[  424.444112][T28488]  el0t_64_sync_handler+0xcc/0xe4
[  424.444894][T28488]  el0t_64_sync+0x1a0/0x1a4
[  424.448868][T28483] debugfs: out of free dentries, can not create directory 'nbd0'
[  424.450664][T28483] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.454832][T28488] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.467786][T28489] FAULT_INJECTION: forcing a failure.
[  424.467786][T28489] name failslab, interval 1, probability 0, space 0, times 0
[  424.469891][T28489] CPU: 1 PID: 28489 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.471339][T28489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.472925][T28489] Call trace:
[  424.473415][T28489]  dump_backtrace+0x0/0x43c
[  424.474082][T28489]  show_stack+0x2c/0x3c
[  424.474755][T28489]  __dump_stack+0x30/0x40
[  424.475445][T28489]  dump_stack_lvl+0xf8/0x160
[  424.476181][T28489]  dump_stack+0x1c/0x5c
[  424.476843][T28489]  should_fail+0x3c0/0x51c
[  424.477536][T28489]  __should_failslab+0xbc/0x10c
[  424.478326][T28489]  should_failslab+0x10/0x28
[  424.479211][T28489]  slab_pre_alloc_hook+0x64/0xec
[  424.480095][T28489]  __kmalloc_node+0xb8/0x520
[  424.480888][T28489]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.481681][T28489]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.482501][T28489]  nbd_start_device+0x14c/0xb40
[  424.483273][T28489]  nbd_ioctl+0x514/0xc50
[  424.483903][T28489]  blkdev_ioctl+0x5f8/0xbb8
[  424.484626][T28489]  block_ioctl+0xa4/0x118
[  424.485284][T28489]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.486092][T28489]  invoke_syscall+0x98/0x2b8
[  424.486825][T28489]  el0_svc_common+0x138/0x258
[  424.487543][T28489]  do_el0_svc+0x58/0x14c
[  424.488183][T28489]  el0_svc+0x78/0x1e0
[  424.488861][T28489]  el0t_64_sync_handler+0xcc/0xe4
[  424.489662][T28489]  el0t_64_sync+0x1a0/0x1a4
[  424.490180][T28486] FAULT_INJECTION: forcing a failure.
[  424.490180][T28486] name failslab, interval 1, probability 0, space 0, times 0
[  424.493003][T28489] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.505793][T28486] CPU: 0 PID: 28486 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.507401][T28486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.509048][T28486] Call trace:
[  424.509533][T28486]  dump_backtrace+0x0/0x43c
[  424.510316][T28486]  show_stack+0x2c/0x3c
[  424.511035][T28486]  __dump_stack+0x30/0x40
[  424.511783][T28486]  dump_stack_lvl+0xf8/0x160
[  424.512560][T28486]  dump_stack+0x1c/0x5c
[  424.513218][T28486]  should_fail+0x3c0/0x51c
[  424.513885][T28486]  __should_failslab+0xbc/0x10c
[  424.514705][T28486]  should_failslab+0x10/0x28
[  424.515374][T28486]  slab_pre_alloc_hook+0x64/0xec
[  424.516087][T28486]  __kmalloc_node+0xb8/0x520
[  424.516774][T28486]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.517623][T28486]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.518592][T28486]  nbd_start_device+0x14c/0xb40
[  424.519420][T28486]  nbd_ioctl+0x514/0xc50
[  424.520137][T28486]  blkdev_ioctl+0x5f8/0xbb8
[  424.520899][T28486]  block_ioctl+0xa4/0x118
[  424.521573][T28486]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.522288][T28486]  invoke_syscall+0x98/0x2b8
[  424.523007][T28486]  el0_svc_common+0x138/0x258
[  424.523725][T28486]  do_el0_svc+0x58/0x14c
[  424.524377][T28486]  el0_svc+0x78/0x1e0
[  424.524970][T28486]  el0t_64_sync_handler+0xcc/0xe4
[  424.525745][T28486]  el0t_64_sync+0x1a0/0x1a4
[  424.530990][T28486] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.557594][T28495] block nbd4: shutting down sockets
[  424.568863][T28499] block nbd2: shutting down sockets
[  424.571062][T28495] FAULT_INJECTION: forcing a failure.
[  424.571062][T28495] name failslab, interval 1, probability 0, space 0, times 0
[  424.573362][T28495] CPU: 0 PID: 28495 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.574741][T28495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.576253][T28495] Call trace:
[  424.576781][T28495]  dump_backtrace+0x0/0x43c
[  424.577567][T28495]  show_stack+0x2c/0x3c
[  424.578204][T28495]  __dump_stack+0x30/0x40
[  424.578874][T28495]  dump_stack_lvl+0xf8/0x160
[  424.579566][T28495]  dump_stack+0x1c/0x5c
[  424.580190][T28495]  should_fail+0x3c0/0x51c
[  424.580837][T28495]  __should_failslab+0xbc/0x10c
[  424.581616][T28495]  should_failslab+0x10/0x28
[  424.582359][T28495]  slab_pre_alloc_hook+0x64/0xec
[  424.583097][T28495]  kmem_cache_alloc+0x94/0x3e4
[  424.583806][T28495]  new_inode_pseudo+0x10c/0x1fc
[  424.584614][T28495]  new_inode+0x38/0x174
[  424.585263][T28495]  debugfs_create_dir+0xec/0x3f4
[  424.586035][T28495]  nbd_start_device+0x3c8/0xb40
[  424.586857][T28495]  nbd_ioctl+0x514/0xc50
[  424.587624][T28495]  blkdev_ioctl+0x5f8/0xbb8
[  424.588344][T28495]  block_ioctl+0xa4/0x118
[  424.589006][T28495]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.589815][T28495]  invoke_syscall+0x98/0x2b8
[  424.590566][T28495]  el0_svc_common+0x138/0x258
[  424.591314][T28495]  do_el0_svc+0x58/0x14c
[  424.591986][T28495]  el0_svc+0x78/0x1e0
[  424.592610][T28495]  el0t_64_sync_handler+0xcc/0xe4
[  424.593411][T28495]  el0t_64_sync+0x1a0/0x1a4
[  424.599003][T28497] block nbd0: shutting down sockets
[  424.609078][T28495] debugfs: out of free dentries, can not create directory 'nbd4'
[  424.610767][T28495] block nbd4: Failed to create debugfs dir for 'nbd4'
[  424.612705][T28497] FAULT_INJECTION: forcing a failure.
[  424.612705][T28497] name failslab, interval 1, probability 0, space 0, times 0
[  424.615519][T28497] CPU: 0 PID: 28497 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.616977][T28497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.618522][T28497] Call trace:
[  424.619005][T28497]  dump_backtrace+0x0/0x43c
[  424.619698][T28497]  show_stack+0x2c/0x3c
[  424.620362][T28497]  __dump_stack+0x30/0x40
[  424.621036][T28497]  dump_stack_lvl+0xf8/0x160
[  424.621715][T28497]  dump_stack+0x1c/0x5c
[  424.622399][T28497]  should_fail+0x3c0/0x51c
[  424.623135][T28497]  __should_failslab+0xbc/0x10c
[  424.624035][T28497]  should_failslab+0x10/0x28
[  424.624794][T28497]  slab_pre_alloc_hook+0x64/0xec
[  424.625595][T28497]  kmem_cache_alloc+0x94/0x3e4
[  424.626370][T28497]  new_inode_pseudo+0x10c/0x1fc
[  424.627129][T28497]  new_inode+0x38/0x174
[  424.627779][T28497]  debugfs_create_dir+0xec/0x3f4
[  424.628614][T28497]  nbd_start_device+0x3c8/0xb40
[  424.629422][T28497]  nbd_ioctl+0x514/0xc50
[  424.629663][T28506] block nbd1: shutting down sockets
[  424.630123][T28497]  blkdev_ioctl+0x5f8/0xbb8
[  424.631688][T28497]  block_ioctl+0xa4/0x118
[  424.632433][T28497]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.633282][T28497]  invoke_syscall+0x98/0x2b8
[  424.634033][T28497]  el0_svc_common+0x138/0x258
[  424.634786][T28497]  do_el0_svc+0x58/0x14c
[  424.635458][T28497]  el0_svc+0x78/0x1e0
[  424.636056][T28497]  el0t_64_sync_handler+0xcc/0xe4
[  424.636861][T28497]  el0t_64_sync+0x1a0/0x1a4
[  424.642721][T28499] FAULT_INJECTION: forcing a failure.
[  424.642721][T28499] name failslab, interval 1, probability 0, space 0, times 0
[  424.644584][T28499] CPU: 0 PID: 28499 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.645994][T28499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.647564][T28499] Call trace:
[  424.648115][T28499]  dump_backtrace+0x0/0x43c
[  424.648135][T28497] debugfs: out of free dentries, can not create directory 'nbd0'
[  424.648892][T28499]  show_stack+0x2c/0x3c
[  424.650203][T28497] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.650806][T28499]  __dump_stack+0x30/0x40
[  424.652552][T28499]  dump_stack_lvl+0xf8/0x160
[  424.653328][T28499]  dump_stack+0x1c/0x5c
[  424.654064][T28499]  should_fail+0x3c0/0x51c
[  424.654755][T28499]  __should_failslab+0xbc/0x10c
[  424.655838][T28499]  should_failslab+0x10/0x28
[  424.656559][T28499]  slab_pre_alloc_hook+0x64/0xec
[  424.657407][T28499]  __kmalloc_node+0xb8/0x520
[  424.658223][T28499]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.659132][T28499]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.660073][T28499]  nbd_start_device+0x14c/0xb40
[  424.660866][T28499]  nbd_ioctl+0x514/0xc50
[  424.661566][T28499]  blkdev_ioctl+0x5f8/0xbb8
[  424.662268][T28499]  block_ioctl+0xa4/0x118
[  424.662933][T28499]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.663790][T28499]  invoke_syscall+0x98/0x2b8
[  424.664534][T28499]  el0_svc_common+0x138/0x258
[  424.665329][T28499]  do_el0_svc+0x58/0x14c
[  424.666097][T28499]  el0_svc+0x78/0x1e0
[  424.666724][T28499]  el0t_64_sync_handler+0xcc/0xe4
[  424.667549][T28499]  el0t_64_sync+0x1a0/0x1a4
[  424.688855][T28505] block nbd3: shutting down sockets
[  424.690294][T28499] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.710350][T28503] FAULT_INJECTION: forcing a failure.
[  424.710350][T28503] name failslab, interval 1, probability 0, space 0, times 0
[  424.711463][T28505] FAULT_INJECTION: forcing a failure.
[  424.711463][T28505] name failslab, interval 1, probability 0, space 0, times 0
[  424.712375][T28503] CPU: 1 PID: 28503 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.715584][T28503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.717210][T28503] Call trace:
[  424.717776][T28503]  dump_backtrace+0x0/0x43c
[  424.718500][T28503]  show_stack+0x2c/0x3c
[  424.719059][T28503]  __dump_stack+0x30/0x40
[  424.719766][T28503]  dump_stack_lvl+0xf8/0x160
[  424.720477][T28503]  dump_stack+0x1c/0x5c
[  424.721224][T28503]  should_fail+0x3c0/0x51c
[  424.721928][T28503]  __should_failslab+0xbc/0x10c
[  424.722694][T28503]  should_failslab+0x10/0x28
[  424.723326][T28503]  slab_pre_alloc_hook+0x64/0xec
[  424.724131][T28503]  __kmalloc_node+0xb8/0x520
[  424.724873][T28503]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.725736][T28503]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.726633][T28503]  nbd_start_device+0x14c/0xb40
[  424.727396][T28503]  nbd_ioctl+0x514/0xc50
[  424.728033][T28503]  blkdev_ioctl+0x5f8/0xbb8
[  424.728741][T28503]  block_ioctl+0xa4/0x118
[  424.729468][T28503]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.730314][T28503]  invoke_syscall+0x98/0x2b8
[  424.731042][T28503]  el0_svc_common+0x138/0x258
[  424.731752][T28503]  do_el0_svc+0x58/0x14c
[  424.732425][T28503]  el0_svc+0x78/0x1e0
[  424.733014][T28503]  el0t_64_sync_handler+0xcc/0xe4
[  424.733723][T28503]  el0t_64_sync+0x1a0/0x1a4
[  424.734388][T28505] CPU: 0 PID: 28505 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.735808][T28505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.737545][T28505] Call trace:
[  424.738106][T28505]  dump_backtrace+0x0/0x43c
[  424.738817][T28505]  show_stack+0x2c/0x3c
[  424.739446][T28505]  __dump_stack+0x30/0x40
[  424.740075][T28505]  dump_stack_lvl+0xf8/0x160
[  424.740780][T28505]  dump_stack+0x1c/0x5c
[  424.741364][T28505]  should_fail+0x3c0/0x51c
[  424.742023][T28505]  __should_failslab+0xbc/0x10c
[  424.742143][T28503] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.742784][T28505]  should_failslab+0x10/0x28
[  424.742800][T28505]  slab_pre_alloc_hook+0x64/0xec
[  424.745258][T28505]  __kmalloc_node+0xb8/0x520
[  424.746014][T28505]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.746913][T28505]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.747978][T28505]  nbd_start_device+0x14c/0xb40
[  424.748811][T28505]  nbd_ioctl+0x514/0xc50
[  424.749469][T28505]  blkdev_ioctl+0x5f8/0xbb8
[  424.750258][T28505]  block_ioctl+0xa4/0x118
[  424.750987][T28505]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.751815][T28505]  invoke_syscall+0x98/0x2b8
[  424.752542][T28505]  el0_svc_common+0x138/0x258
[  424.753315][T28505]  do_el0_svc+0x58/0x14c
[  424.754052][T28505]  el0_svc+0x78/0x1e0
[  424.754796][T28505]  el0t_64_sync_handler+0xcc/0xe4
[  424.755666][T28505]  el0t_64_sync+0x1a0/0x1a4
[  424.761150][T28505] Increasing nr_hw_queues to 2 fails, fallback to 1
[  424.788554][T28508] block nbd4: shutting down sockets
[  424.806907][T28511] block nbd0: shutting down sockets
[  424.822317][T28508] FAULT_INJECTION: forcing a failure.
[  424.822317][T28508] name failslab, interval 1, probability 0, space 0, times 0
[  424.824358][T28508] CPU: 1 PID: 28508 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.825671][T28508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.827332][T28508] Call trace:
[  424.827854][T28508]  dump_backtrace+0x0/0x43c
[  424.828622][T28508]  show_stack+0x2c/0x3c
[  424.829293][T28508]  __dump_stack+0x30/0x40
[  424.830018][T28508]  dump_stack_lvl+0xf8/0x160
[  424.830803][T28508]  dump_stack+0x1c/0x5c
[  424.831495][T28508]  should_fail+0x3c0/0x51c
[  424.832240][T28508]  __should_failslab+0xbc/0x10c
[  424.833051][T28508]  should_failslab+0x10/0x28
[  424.833818][T28508]  slab_pre_alloc_hook+0x64/0xec
[  424.834585][T28508]  kmem_cache_alloc+0x94/0x3e4
[  424.835371][T28508]  new_inode_pseudo+0x10c/0x1fc
[  424.836115][T28508]  new_inode+0x38/0x174
[  424.836862][T28508]  debugfs_create_dir+0xec/0x3f4
[  424.837663][T28508]  nbd_start_device+0x3c8/0xb40
[  424.838484][T28508]  nbd_ioctl+0x514/0xc50
[  424.839236][T28508]  blkdev_ioctl+0x5f8/0xbb8
[  424.839888][T28508]  block_ioctl+0xa4/0x118
[  424.840487][T28508]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.841240][T28508]  invoke_syscall+0x98/0x2b8
[  424.842010][T28508]  el0_svc_common+0x138/0x258
[  424.842723][T28508]  do_el0_svc+0x58/0x14c
[  424.843407][T28508]  el0_svc+0x78/0x1e0
[  424.844024][T28508]  el0t_64_sync_handler+0xcc/0xe4
[  424.844790][T28508]  el0t_64_sync+0x1a0/0x1a4
[  424.847498][ T1643] team0 (unregistering): Port device team_slave_1 removed
[  424.853175][ T1643] team0 (unregistering): Port device team_slave_0 removed
[  424.859310][ T1643] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  424.861617][T28508] debugfs: out of free dentries, can not create directory 'nbd4'
[  424.863066][T28511] FAULT_INJECTION: forcing a failure.
[  424.863066][T28511] name failslab, interval 1, probability 0, space 0, times 0
[  424.865190][T28511] CPU: 1 PID: 28511 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.866322][T28519] block nbd2: shutting down sockets
[  424.866618][T28511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.866632][T28511] Call trace:
[  424.866638][T28511]  dump_backtrace+0x0/0x43c
[  424.870172][T28511]  show_stack+0x2c/0x3c
[  424.870763][T28511]  __dump_stack+0x30/0x40
[  424.871370][T28511]  dump_stack_lvl+0xf8/0x160
[  424.872022][T28511]  dump_stack+0x1c/0x5c
[  424.872591][T28511]  should_fail+0x3c0/0x51c
[  424.873205][T28511]  __should_failslab+0xbc/0x10c
[  424.874008][T28511]  should_failslab+0x10/0x28
[  424.874687][T28511]  slab_pre_alloc_hook+0x64/0xec
[  424.875582][T28511]  kmem_cache_alloc+0x94/0x3e4
[  424.876332][T28511]  new_inode_pseudo+0x10c/0x1fc
[  424.877178][T28511]  new_inode+0x38/0x174
[  424.877899][T28511]  debugfs_create_dir+0xec/0x3f4
[  424.878697][T28511]  nbd_start_device+0x3c8/0xb40
[  424.878764][T28508] block nbd4: Failed to create debugfs dir for 'nbd4'
[  424.879433][T28511]  nbd_ioctl+0x514/0xc50
[  424.879450][T28511]  blkdev_ioctl+0x5f8/0xbb8
[  424.879459][T28511]  block_ioctl+0xa4/0x118
[  424.882540][T28511]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.883333][T28511]  invoke_syscall+0x98/0x2b8
[  424.883999][T28511]  el0_svc_common+0x138/0x258
[  424.884714][T28511]  do_el0_svc+0x58/0x14c
[  424.885341][T28511]  el0_svc+0x78/0x1e0
[  424.885979][T28511]  el0t_64_sync_handler+0xcc/0xe4
[  424.886772][T28511]  el0t_64_sync+0x1a0/0x1a4
[  424.894167][T28522] block nbd1: shutting down sockets
[  424.908811][T28511] debugfs: out of free dentries, can not create directory 'nbd0'
[  424.910021][T28511] block nbd0: Failed to create debugfs dir for 'nbd0'
[  424.919820][ T1643] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  424.938653][T28513] FAULT_INJECTION: forcing a failure.
[  424.938653][T28513] name failslab, interval 1, probability 0, space 0, times 0
[  424.940735][T28513] CPU: 0 PID: 28513 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.942272][T28513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.943851][T28513] Call trace:
[  424.944410][T28513]  dump_backtrace+0x0/0x43c
[  424.945074][T28513]  show_stack+0x2c/0x3c
[  424.945765][T28513]  __dump_stack+0x30/0x40
[  424.946567][T28513]  dump_stack_lvl+0xf8/0x160
[  424.947306][T28513]  dump_stack+0x1c/0x5c
[  424.948009][T28513]  should_fail+0x3c0/0x51c
[  424.948723][T28513]  __should_failslab+0xbc/0x10c
[  424.949530][T28513]  should_failslab+0x10/0x28
[  424.950342][T28513]  slab_pre_alloc_hook+0x64/0xec
[  424.951170][T28513]  __kmalloc_node+0xb8/0x520
[  424.951921][T28513]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  424.952782][T28513]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  424.953674][T28513]  nbd_start_device+0x14c/0xb40
[  424.954453][T28513]  nbd_ioctl+0x514/0xc50
[  424.955195][T28513]  blkdev_ioctl+0x5f8/0xbb8
[  424.955867][T28513]  block_ioctl+0xa4/0x118
[  424.956532][T28513]  __arm64_sys_ioctl+0x14c/0x1c8
[  424.957292][T28513]  invoke_syscall+0x98/0x2b8
[  424.958068][T28513]  el0_svc_common+0x138/0x258
[  424.958893][T28513]  do_el0_svc+0x58/0x14c
[  424.959558][T28513]  el0_svc+0x78/0x1e0
[  424.960201][T28513]  el0t_64_sync_handler+0xcc/0xe4
[  424.961083][T28513]  el0t_64_sync+0x1a0/0x1a4
[  424.967130][T28520] block nbd3: shutting down sockets
[  424.983558][T28516] FAULT_INJECTION: forcing a failure.
[  424.983558][T28516] name failslab, interval 1, probability 0, space 0, times 0
[  424.985880][T28516] CPU: 0 PID: 28516 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  424.986396][T28524] block nbd4: shutting down sockets
[  424.987229][T28516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  424.987242][T28516] Call trace:
[  424.987245][T28516]  dump_backtrace+0x0/0x43c
[  424.990938][T28516]  show_stack+0x2c/0x3c
[  424.991618][T28516]  __dump_stack+0x30/0x40
[  424.992358][T28516]  dump_stack_lvl+0xf8/0x160
[  424.993137][T28516]  dump_stack+0x1c/0x5c
[  424.993825][T28516]  should_fail+0x3c0/0x51c
[  424.994517][T28516]  __should_failslab+0xbc/0x10c
[  424.995253][T28516]  should_failslab+0x10/0x28
[  424.996010][T28516]  slab_pre_alloc_hook+0x64/0xec
[  424.996582][T28524] FAULT_INJECTION: forcing a failure.
[  424.996582][T28524] name failslab, interval 1, probability 0, space 0, times 0
[  424.996786][T28516]  __kmalloc_node+0xb8/0x520
[  424.999442][T28516]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.000356][T28516]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.001213][T28516]  nbd_start_device+0x14c/0xb40
[  425.002006][T28516]  nbd_ioctl+0x514/0xc50
[  425.002681][T28516]  blkdev_ioctl+0x5f8/0xbb8
[  425.003419][T28516]  block_ioctl+0xa4/0x118
[  425.004132][T28516]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.004916][T28516]  invoke_syscall+0x98/0x2b8
[  425.005707][T28516]  el0_svc_common+0x138/0x258
[  425.006499][T28516]  do_el0_svc+0x58/0x14c
[  425.007211][T28516]  el0_svc+0x78/0x1e0
[  425.007905][T28516]  el0t_64_sync_handler+0xcc/0xe4
[  425.008778][T28516]  el0t_64_sync+0x1a0/0x1a4
[  425.009559][T28524] CPU: 1 PID: 28524 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.011100][T28524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.012760][T28524] Call trace:
[  425.013286][T28524]  dump_backtrace+0x0/0x43c
[  425.013974][T28524]  show_stack+0x2c/0x3c
[  425.014602][T28524]  __dump_stack+0x30/0x40
[  425.014760][T28513] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.015243][T28524]  dump_stack_lvl+0xf8/0x160
[  425.016976][T28524]  dump_stack+0x1c/0x5c
[  425.017612][T28524]  should_fail+0x3c0/0x51c
[  425.018280][T28524]  __should_failslab+0xbc/0x10c
[  425.018626][T28516] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.019041][T28524]  should_failslab+0x10/0x28
[  425.019058][T28524]  slab_pre_alloc_hook+0x64/0xec
[  425.021483][T28524]  kmem_cache_alloc+0x94/0x3e4
[  425.022270][T28524]  new_inode_pseudo+0x10c/0x1fc
[  425.023022][T28524]  new_inode+0x38/0x174
[  425.023671][T28524]  debugfs_create_dir+0xec/0x3f4
[  425.024410][T28524]  nbd_start_device+0x3c8/0xb40
[  425.025229][T28524]  nbd_ioctl+0x514/0xc50
[  425.025921][T28524]  blkdev_ioctl+0x5f8/0xbb8
[  425.026551][T28524]  block_ioctl+0xa4/0x118
[  425.027214][T28524]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.027939][T28524]  invoke_syscall+0x98/0x2b8
[  425.028587][T28524]  el0_svc_common+0x138/0x258
[  425.029285][T28524]  do_el0_svc+0x58/0x14c
[  425.029946][T28524]  el0_svc+0x78/0x1e0
[  425.030548][T28524]  el0t_64_sync_handler+0xcc/0xe4
[  425.031233][T28524]  el0t_64_sync+0x1a0/0x1a4
[  425.033347][T28524] debugfs: out of free dentries, can not create directory 'nbd4'
[  425.034923][T28524] block nbd4: Failed to create debugfs dir for 'nbd4'
[  425.053043][ T1643] bond0 (unregistering): Released all slaves
[  425.056449][T28526] block nbd0: shutting down sockets
[  425.065169][T28518] FAULT_INJECTION: forcing a failure.
[  425.065169][T28518] name failslab, interval 1, probability 0, space 0, times 0
[  425.070669][T28518] CPU: 0 PID: 28518 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.072101][T28518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.073666][T28518] Call trace:
[  425.074210][T28518]  dump_backtrace+0x0/0x43c
[  425.074885][T28518]  show_stack+0x2c/0x3c
[  425.075502][T28518]  __dump_stack+0x30/0x40
[  425.076180][T28518]  dump_stack_lvl+0xf8/0x160
[  425.076862][T28518]  dump_stack+0x1c/0x5c
[  425.077528][T28518]  should_fail+0x3c0/0x51c
[  425.078251][T28518]  __should_failslab+0xbc/0x10c
[  425.078994][T28518]  should_failslab+0x10/0x28
[  425.079758][T28518]  slab_pre_alloc_hook+0x64/0xec
[  425.080506][T28518]  __kmalloc_node+0xb8/0x520
[  425.081226][T28518]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.082088][T28518]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.083018][T28518]  nbd_start_device+0x14c/0xb40
[  425.083718][T28518]  nbd_ioctl+0x514/0xc50
[  425.084380][T28518]  blkdev_ioctl+0x5f8/0xbb8
[  425.085091][T28518]  block_ioctl+0xa4/0x118
[  425.085812][T28518]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.086654][T28518]  invoke_syscall+0x98/0x2b8
[  425.086970][T28526] FAULT_INJECTION: forcing a failure.
[  425.086970][T28526] name failslab, interval 1, probability 0, space 0, times 0
[  425.087403][T28518]  el0_svc_common+0x138/0x258
[  425.087421][T28518]  do_el0_svc+0x58/0x14c
[  425.090930][T28518]  el0_svc+0x78/0x1e0
[  425.091659][T28518]  el0t_64_sync_handler+0xcc/0xe4
[  425.092533][T28518]  el0t_64_sync+0x1a0/0x1a4
[  425.093303][T28526] CPU: 1 PID: 28526 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.094854][T28526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.096514][T28526] Call trace:
[  425.097041][T28526]  dump_backtrace+0x0/0x43c
[  425.097777][T28526]  show_stack+0x2c/0x3c
[  425.098450][T28526]  __dump_stack+0x30/0x40
[  425.099163][T28526]  dump_stack_lvl+0xf8/0x160
[  425.099324][T28518] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.099900][T28526]  dump_stack+0x1c/0x5c
[  425.101699][T28526]  should_fail+0x3c0/0x51c
[  425.102453][T28526]  __should_failslab+0xbc/0x10c
[  425.103205][T28526]  should_failslab+0x10/0x28
[  425.103928][T28526]  slab_pre_alloc_hook+0x64/0xec
[  425.104743][T28526]  kmem_cache_alloc+0x94/0x3e4
[  425.105445][T28526]  new_inode_pseudo+0x10c/0x1fc
[  425.106153][T28526]  new_inode+0x38/0x174
[  425.106742][T28526]  debugfs_create_dir+0xec/0x3f4
[  425.107425][T28526]  nbd_start_device+0x3c8/0xb40
[  425.108123][T28526]  nbd_ioctl+0x514/0xc50
[  425.108774][T28526]  blkdev_ioctl+0x5f8/0xbb8
[  425.109499][T28526]  block_ioctl+0xa4/0x118
[  425.110172][T28526]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.110931][T28526]  invoke_syscall+0x98/0x2b8
[  425.111664][T28526]  el0_svc_common+0x138/0x258
[  425.112428][T28526]  do_el0_svc+0x58/0x14c
[  425.113044][T28526]  el0_svc+0x78/0x1e0
[  425.113736][T28526]  el0t_64_sync_handler+0xcc/0xe4
[  425.114542][T28526]  el0t_64_sync+0x1a0/0x1a4
[  425.116963][T28526] debugfs: out of free dentries, can not create directory 'nbd0'
[  425.119791][T28526] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.178583][T28531] block nbd1: shutting down sockets
[  425.183603][T28534] block nbd4: shutting down sockets
[  425.205381][T28530] FAULT_INJECTION: forcing a failure.
[  425.205381][T28530] name failslab, interval 1, probability 0, space 0, times 0
[  425.207570][T28530] CPU: 1 PID: 28530 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.208863][T28530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.210342][T28530] Call trace:
[  425.210872][T28530]  dump_backtrace+0x0/0x43c
[  425.211595][T28530]  show_stack+0x2c/0x3c
[  425.212254][T28530]  __dump_stack+0x30/0x40
[  425.212921][T28530]  dump_stack_lvl+0xf8/0x160
[  425.213645][T28530]  dump_stack+0x1c/0x5c
[  425.214300][T28530]  should_fail+0x3c0/0x51c
[  425.214982][T28530]  __should_failslab+0xbc/0x10c
[  425.215762][T28530]  should_failslab+0x10/0x28
[  425.216453][T28530]  slab_pre_alloc_hook+0x64/0xec
[  425.217194][T28530]  kmem_cache_alloc+0x94/0x3e4
[  425.217888][T28530]  new_inode_pseudo+0x10c/0x1fc
[  425.218582][T28530]  new_inode+0x38/0x174
[  425.219233][T28530]  debugfs_create_dir+0xec/0x3f4
[  425.220055][T28530]  nbd_start_device+0x3c8/0xb40
[  425.220774][T28530]  nbd_ioctl+0x514/0xc50
[  425.221450][T28530]  blkdev_ioctl+0x5f8/0xbb8
[  425.222212][T28530]  block_ioctl+0xa4/0x118
[  425.222941][T28530]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.223787][T28530]  invoke_syscall+0x98/0x2b8
[  425.224620][T28530]  el0_svc_common+0x138/0x258
[  425.225361][T28530]  do_el0_svc+0x58/0x14c
[  425.226071][T28530]  el0_svc+0x78/0x1e0
[  425.226705][T28530]  el0t_64_sync_handler+0xcc/0xe4
[  425.227520][T28530]  el0t_64_sync+0x1a0/0x1a4
[  425.230046][T28536] block nbd0: shutting down sockets
[  425.240784][T28531] FAULT_INJECTION: forcing a failure.
[  425.240784][T28531] name failslab, interval 1, probability 0, space 0, times 0
[  425.242811][T28531] CPU: 0 PID: 28531 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.244338][T28531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.246042][T28531] Call trace:
[  425.246379][T28533] block nbd2: shutting down sockets
[  425.246580][T28531]  dump_backtrace+0x0/0x43c
[  425.247848][T28538] block nbd3: shutting down sockets
[  425.248129][T28531]  show_stack+0x2c/0x3c
[  425.249187][T28530] debugfs: out of free dentries, can not create directory 'nbd4'
[  425.249657][T28531]  __dump_stack+0x30/0x40
[  425.251077][T28530] block nbd4: Failed to create debugfs dir for 'nbd4'
[  425.251555][T28531]  dump_stack_lvl+0xf8/0x160
[  425.253327][T28531]  dump_stack+0x1c/0x5c
[  425.254061][T28531]  should_fail+0x3c0/0x51c
[  425.254760][T28531]  __should_failslab+0xbc/0x10c
[  425.255506][T28531]  should_failslab+0x10/0x28
[  425.256224][T28531]  slab_pre_alloc_hook+0x64/0xec
[  425.257089][T28531]  __kmalloc_node+0xb8/0x520
[  425.257845][T28531]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.258322][T28536] FAULT_INJECTION: forcing a failure.
[  425.258322][T28536] name failslab, interval 1, probability 0, space 0, times 0
[  425.258724][T28531]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.261536][T28531]  nbd_start_device+0x14c/0xb40
[  425.262254][T28531]  nbd_ioctl+0x514/0xc50
[  425.262908][T28531]  blkdev_ioctl+0x5f8/0xbb8
[  425.263662][T28531]  block_ioctl+0xa4/0x118
[  425.264393][T28531]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.265219][T28531]  invoke_syscall+0x98/0x2b8
[  425.265944][T28531]  el0_svc_common+0x138/0x258
[  425.266683][T28531]  do_el0_svc+0x58/0x14c
[  425.267402][T28531]  el0_svc+0x78/0x1e0
[  425.268121][T28531]  el0t_64_sync_handler+0xcc/0xe4
[  425.268919][T28531]  el0t_64_sync+0x1a0/0x1a4
[  425.277038][T28531] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.278586][T28536] CPU: 1 PID: 28536 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.280134][T28536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.281712][T28536] Call trace:
[  425.282236][T28536]  dump_backtrace+0x0/0x43c
[  425.283018][T28536]  show_stack+0x2c/0x3c
[  425.283717][T28536]  __dump_stack+0x30/0x40
[  425.284389][T28536]  dump_stack_lvl+0xf8/0x160
[  425.285157][T28536]  dump_stack+0x1c/0x5c
[  425.285788][T28536]  should_fail+0x3c0/0x51c
[  425.286510][T28536]  __should_failslab+0xbc/0x10c
[  425.287407][T28536]  should_failslab+0x10/0x28
[  425.288154][T28536]  slab_pre_alloc_hook+0x64/0xec
[  425.288949][T28536]  kmem_cache_alloc+0x94/0x3e4
[  425.289715][T28536]  new_inode_pseudo+0x10c/0x1fc
[  425.290482][T28536]  new_inode+0x38/0x174
[  425.291123][T28536]  debugfs_create_dir+0xec/0x3f4
[  425.291771][T28536]  nbd_start_device+0x3c8/0xb40
[  425.292425][T28536]  nbd_ioctl+0x514/0xc50
[  425.293012][T28536]  blkdev_ioctl+0x5f8/0xbb8
[  425.293772][T28536]  block_ioctl+0xa4/0x118
[  425.294491][T28536]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.295239][T28536]  invoke_syscall+0x98/0x2b8
[  425.295960][T28536]  el0_svc_common+0x138/0x258
[  425.296715][T28536]  do_el0_svc+0x58/0x14c
[  425.297426][T28536]  el0_svc+0x78/0x1e0
[  425.298036][T28536]  el0t_64_sync_handler+0xcc/0xe4
[  425.298812][T28536]  el0t_64_sync+0x1a0/0x1a4
[  425.310807][ T1643] team0 (unregistering): Port device team_slave_1 removed
[  425.317639][T28536] debugfs: out of free dentries, can not create directory 'nbd0'
[  425.319095][T28536] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.320555][ T1643] team0 (unregistering): Port device team_slave_0 removed
[  425.332171][T28538] FAULT_INJECTION: forcing a failure.
[  425.332171][T28538] name failslab, interval 1, probability 0, space 0, times 0
[  425.334268][T28538] CPU: 1 PID: 28538 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.335750][T28538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.337352][T28538] Call trace:
[  425.337830][T28538]  dump_backtrace+0x0/0x43c
[  425.338515][T28538]  show_stack+0x2c/0x3c
[  425.339218][T28538]  __dump_stack+0x30/0x40
[  425.339893][T28538]  dump_stack_lvl+0xf8/0x160
[  425.340633][T28538]  dump_stack+0x1c/0x5c
[  425.341335][T28538]  should_fail+0x3c0/0x51c
[  425.342097][T28538]  __should_failslab+0xbc/0x10c
[  425.342881][T28538]  should_failslab+0x10/0x28
[  425.343641][T28538]  slab_pre_alloc_hook+0x64/0xec
[  425.344455][T28538]  __kmalloc_node+0xb8/0x520
[  425.345254][T28538]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.346121][T28538]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.347092][T28538]  nbd_start_device+0x14c/0xb40
[  425.347873][T28538]  nbd_ioctl+0x514/0xc50
[  425.347976][T28533] FAULT_INJECTION: forcing a failure.
[  425.347976][T28533] name failslab, interval 1, probability 0, space 0, times 0
[  425.348608][T28538]  blkdev_ioctl+0x5f8/0xbb8
[  425.351402][T28538]  block_ioctl+0xa4/0x118
[  425.352096][T28538]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.352810][T28538]  invoke_syscall+0x98/0x2b8
[  425.353562][T28538]  el0_svc_common+0x138/0x258
[  425.354316][T28538]  do_el0_svc+0x58/0x14c
[  425.354960][T28538]  el0_svc+0x78/0x1e0
[  425.355608][T28538]  el0t_64_sync_handler+0xcc/0xe4
[  425.356391][T28538]  el0t_64_sync+0x1a0/0x1a4
[  425.360486][ T1643] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  425.361801][T28533] CPU: 1 PID: 28533 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.363231][T28533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.364823][T28533] Call trace:
[  425.365395][T28533]  dump_backtrace+0x0/0x43c
[  425.366153][T28533]  show_stack+0x2c/0x3c
[  425.366872][T28533]  __dump_stack+0x30/0x40
[  425.367600][T28533]  dump_stack_lvl+0xf8/0x160
[  425.368412][T28533]  dump_stack+0x1c/0x5c
[  425.369061][T28533]  should_fail+0x3c0/0x51c
[  425.369755][T28533]  __should_failslab+0xbc/0x10c
[  425.370520][T28533]  should_failslab+0x10/0x28
[  425.371267][T28533]  slab_pre_alloc_hook+0x64/0xec
[  425.372010][T28533]  __kmalloc_node+0xb8/0x520
[  425.372775][T28533]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.373586][T28533]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.374472][T28533]  nbd_start_device+0x14c/0xb40
[  425.375228][T28533]  nbd_ioctl+0x514/0xc50
[  425.375823][T28533]  blkdev_ioctl+0x5f8/0xbb8
[  425.376511][T28533]  block_ioctl+0xa4/0x118
[  425.377089][T28533]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.377802][T28533]  invoke_syscall+0x98/0x2b8
[  425.378496][T28533]  el0_svc_common+0x138/0x258
[  425.378805][T28538] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.379160][T28533]  do_el0_svc+0x58/0x14c
[  425.380836][T28533]  el0_svc+0x78/0x1e0
[  425.381464][T28533]  el0t_64_sync_handler+0xcc/0xe4
[  425.382291][T28533]  el0t_64_sync+0x1a0/0x1a4
[  425.398418][T28533] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.405267][ T1643] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  425.486194][T28546] block nbd4: shutting down sockets
[  425.493507][T28546] FAULT_INJECTION: forcing a failure.
[  425.493507][T28546] name failslab, interval 1, probability 0, space 0, times 0
[  425.495592][T28546] CPU: 1 PID: 28546 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.497101][T28546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.498755][T28546] Call trace:
[  425.499274][T28546]  dump_backtrace+0x0/0x43c
[  425.500054][T28546]  show_stack+0x2c/0x3c
[  425.500761][T28546]  __dump_stack+0x30/0x40
[  425.501428][T28546]  dump_stack_lvl+0xf8/0x160
[  425.502155][T28546]  dump_stack+0x1c/0x5c
[  425.502800][T28546]  should_fail+0x3c0/0x51c
[  425.503523][T28546]  __should_failslab+0xbc/0x10c
[  425.504295][T28546]  should_failslab+0x10/0x28
[  425.505030][T28546]  slab_pre_alloc_hook+0x64/0xec
[  425.505767][T28546]  kmem_cache_alloc+0x94/0x3e4
[  425.506523][T28546]  new_inode_pseudo+0x10c/0x1fc
[  425.507308][T28546]  new_inode+0x38/0x174
[  425.507945][T28546]  debugfs_create_dir+0xec/0x3f4
[  425.508711][T28546]  nbd_start_device+0x3c8/0xb40
[  425.509445][T28546]  nbd_ioctl+0x514/0xc50
[  425.510112][T28546]  blkdev_ioctl+0x5f8/0xbb8
[  425.510829][T28546]  block_ioctl+0xa4/0x118
[  425.511561][T28546]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.512396][T28546]  invoke_syscall+0x98/0x2b8
[  425.513156][T28546]  el0_svc_common+0x138/0x258
[  425.513955][T28546]  do_el0_svc+0x58/0x14c
[  425.514643][T28546]  el0_svc+0x78/0x1e0
[  425.515258][T28546]  el0t_64_sync_handler+0xcc/0xe4
[  425.516033][T28546]  el0t_64_sync+0x1a0/0x1a4
[  425.517346][T28546] debugfs: out of free dentries, can not create directory 'nbd4'
[  425.519691][T28546] block nbd4: Failed to create debugfs dir for 'nbd4'
[  425.536269][T28555] block nbd0: shutting down sockets
[  425.537250][T28554] block nbd2: shutting down sockets
[  425.539591][T28553] block nbd1: shutting down sockets
[  425.546484][T28557] block nbd3: shutting down sockets
[  425.547891][T28550] FAULT_INJECTION: forcing a failure.
[  425.547891][T28550] name failslab, interval 1, probability 0, space 0, times 0
[  425.550125][T28550] CPU: 1 PID: 28550 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.551580][T28550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.553215][T28550] Call trace:
[  425.553744][T28550]  dump_backtrace+0x0/0x43c
[  425.554486][T28550]  show_stack+0x2c/0x3c
[  425.555205][T28550]  __dump_stack+0x30/0x40
[  425.555939][T28550]  dump_stack_lvl+0xf8/0x160
[  425.556679][T28550]  dump_stack+0x1c/0x5c
[  425.557329][T28550]  should_fail+0x3c0/0x51c
[  425.558005][T28550]  __should_failslab+0xbc/0x10c
[  425.558769][T28550]  should_failslab+0x10/0x28
[  425.559286][ T1643] bond0 (unregistering): Released all slaves
[  425.559525][T28550]  slab_pre_alloc_hook+0x64/0xec
[  425.561184][T28550]  kmem_cache_alloc+0x94/0x3e4
[  425.561897][T28550]  new_inode_pseudo+0x10c/0x1fc
[  425.562654][T28550]  new_inode+0x38/0x174
[  425.563240][T28550]  debugfs_create_dir+0xec/0x3f4
[  425.563962][T28550]  nbd_start_device+0x3c8/0xb40
[  425.564699][T28550]  nbd_ioctl+0x514/0xc50
[  425.565336][T28550]  blkdev_ioctl+0x5f8/0xbb8
[  425.565966][T28550]  block_ioctl+0xa4/0x118
[  425.566582][T28550]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.567326][T28550]  invoke_syscall+0x98/0x2b8
[  425.568078][T28550]  el0_svc_common+0x138/0x258
[  425.568848][T28550]  do_el0_svc+0x58/0x14c
[  425.569550][T28550]  el0_svc+0x78/0x1e0
[  425.570169][T28550]  el0t_64_sync_handler+0xcc/0xe4
[  425.570978][T28550]  el0t_64_sync+0x1a0/0x1a4
[  425.573382][T28550] debugfs: out of free dentries, can not create directory 'nbd0'
[  425.574635][T28550] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.597003][T28558] block nbd4: shutting down sockets
[  425.598056][T28548] FAULT_INJECTION: forcing a failure.
[  425.598056][T28548] name failslab, interval 1, probability 0, space 0, times 0
[  425.599344][T28558] FAULT_INJECTION: forcing a failure.
[  425.599344][T28558] name failslab, interval 1, probability 0, space 0, times 0
[  425.600118][T28548] CPU: 1 PID: 28548 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.603587][T28548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.605263][T28548] Call trace:
[  425.605766][T28548]  dump_backtrace+0x0/0x43c
[  425.606527][T28548]  show_stack+0x2c/0x3c
[  425.607132][T28548]  __dump_stack+0x30/0x40
[  425.607747][T28548]  dump_stack_lvl+0xf8/0x160
[  425.608599][T28548]  dump_stack+0x1c/0x5c
[  425.609317][T28548]  should_fail+0x3c0/0x51c
[  425.609912][T28548]  __should_failslab+0xbc/0x10c
[  425.610711][T28548]  should_failslab+0x10/0x28
[  425.611403][T28548]  slab_pre_alloc_hook+0x64/0xec
[  425.612225][T28548]  __kmalloc_node+0xb8/0x520
[  425.613035][T28548]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.613909][T28548]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.614776][T28548]  nbd_start_device+0x14c/0xb40
[  425.615601][T28548]  nbd_ioctl+0x514/0xc50
[  425.616304][T28548]  blkdev_ioctl+0x5f8/0xbb8
[  425.617107][T28548]  block_ioctl+0xa4/0x118
[  425.617834][T28548]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.618523][T28548]  invoke_syscall+0x98/0x2b8
[  425.619230][T28548]  el0_svc_common+0x138/0x258
[  425.620059][T28548]  do_el0_svc+0x58/0x14c
[  425.620746][T28548]  el0_svc+0x78/0x1e0
[  425.621413][T28548]  el0t_64_sync_handler+0xcc/0xe4
[  425.622231][T28548]  el0t_64_sync+0x1a0/0x1a4
[  425.622951][T28558] CPU: 0 PID: 28558 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.624281][T28558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.625861][T28558] Call trace:
[  425.626488][T28558]  dump_backtrace+0x0/0x43c
[  425.627211][T28558]  show_stack+0x2c/0x3c
[  425.627884][T28558]  __dump_stack+0x30/0x40
[  425.628572][T28558]  dump_stack_lvl+0xf8/0x160
[  425.629391][T28558]  dump_stack+0x1c/0x5c
[  425.630122][T28558]  should_fail+0x3c0/0x51c
[  425.630824][T28558]  __should_failslab+0xbc/0x10c
[  425.631607][T28558]  should_failslab+0x10/0x28
[  425.632334][T28558]  slab_pre_alloc_hook+0x64/0xec
[  425.633102][T28558]  kmem_cache_alloc+0x94/0x3e4
[  425.633866][T28558]  new_inode_pseudo+0x10c/0x1fc
[  425.634634][T28558]  new_inode+0x38/0x174
[  425.635266][T28558]  debugfs_create_dir+0xec/0x3f4
[  425.636017][T28558]  nbd_start_device+0x3c8/0xb40
[  425.636751][T28558]  nbd_ioctl+0x514/0xc50
[  425.637349][T28558]  blkdev_ioctl+0x5f8/0xbb8
[  425.638061][T28558]  block_ioctl+0xa4/0x118
[  425.638673][T28558]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.639386][T28558]  invoke_syscall+0x98/0x2b8
[  425.640036][T28558]  el0_svc_common+0x138/0x258
[  425.640760][T28558]  do_el0_svc+0x58/0x14c
[  425.641474][T28558]  el0_svc+0x78/0x1e0
[  425.642183][T28558]  el0t_64_sync_handler+0xcc/0xe4
[  425.643001][T28558]  el0t_64_sync+0x1a0/0x1a4
[  425.646901][T28558] debugfs: out of free dentries, can not create directory 'nbd4'
[  425.648426][T28558] block nbd4: Failed to create debugfs dir for 'nbd4'
[  425.660037][T28545] FAULT_INJECTION: forcing a failure.
[  425.660037][T28545] name failslab, interval 1, probability 0, space 0, times 0
[  425.661983][T28545] CPU: 1 PID: 28545 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.663330][T28545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.665023][T28545] Call trace:
[  425.665471][T28545]  dump_backtrace+0x0/0x43c
[  425.666155][T28545]  show_stack+0x2c/0x3c
[  425.666802][T28545]  __dump_stack+0x30/0x40
[  425.667379][T28548] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.667490][T28545]  dump_stack_lvl+0xf8/0x160
[  425.669284][T28545]  dump_stack+0x1c/0x5c
[  425.669875][T28545]  should_fail+0x3c0/0x51c
[  425.670530][T28545]  __should_failslab+0xbc/0x10c
[  425.671239][T28545]  should_failslab+0x10/0x28
[  425.671994][T28545]  slab_pre_alloc_hook+0x64/0xec
[  425.672736][T28545]  __kmalloc_node+0xb8/0x520
[  425.673366][T28545]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.674221][T28545]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.675076][T28545]  nbd_start_device+0x14c/0xb40
[  425.675840][T28545]  nbd_ioctl+0x514/0xc50
[  425.676490][T28545]  blkdev_ioctl+0x5f8/0xbb8
[  425.677258][T28545]  block_ioctl+0xa4/0x118
[  425.677965][T28545]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.678779][T28545]  invoke_syscall+0x98/0x2b8
[  425.679575][T28545]  el0_svc_common+0x138/0x258
[  425.680336][T28545]  do_el0_svc+0x58/0x14c
[  425.680995][T28545]  el0_svc+0x78/0x1e0
[  425.681631][T28545]  el0t_64_sync_handler+0xcc/0xe4
[  425.682410][T28545]  el0t_64_sync+0x1a0/0x1a4
[  425.690051][T28545] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.709759][T28552] FAULT_INJECTION: forcing a failure.
[  425.709759][T28552] name failslab, interval 1, probability 0, space 0, times 0
[  425.712839][T28552] CPU: 0 PID: 28552 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.714359][T28552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.716162][T28552] Call trace:
[  425.716704][T28552]  dump_backtrace+0x0/0x43c
[  425.717410][T28552]  show_stack+0x2c/0x3c
[  425.718117][T28552]  __dump_stack+0x30/0x40
[  425.718808][T28552]  dump_stack_lvl+0xf8/0x160
[  425.719554][T28552]  dump_stack+0x1c/0x5c
[  425.720275][T28552]  should_fail+0x3c0/0x51c
[  425.721024][T28552]  __should_failslab+0xbc/0x10c
[  425.721884][T28552]  should_failslab+0x10/0x28
[  425.722557][T28552]  slab_pre_alloc_hook+0x64/0xec
[  425.723320][T28552]  __kmalloc_node+0xb8/0x520
[  425.723982][T28552]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.724752][T28552]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.725667][T28552]  nbd_start_device+0x14c/0xb40
[  425.726465][T28552]  nbd_ioctl+0x514/0xc50
[  425.727119][T28552]  blkdev_ioctl+0x5f8/0xbb8
[  425.727822][T28552]  block_ioctl+0xa4/0x118
[  425.728469][T28552]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.729202][T28552]  invoke_syscall+0x98/0x2b8
[  425.729872][T28552]  el0_svc_common+0x138/0x258
[  425.730559][T28552]  do_el0_svc+0x58/0x14c
[  425.731261][T28552]  el0_svc+0x78/0x1e0
[  425.731842][T28552]  el0t_64_sync_handler+0xcc/0xe4
[  425.732601][T28552]  el0t_64_sync+0x1a0/0x1a4
[  425.737828][T28552] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.767508][T28563] block nbd0: shutting down sockets
[  425.767551][T28561] block nbd4: shutting down sockets
[  425.779809][T28561] FAULT_INJECTION: forcing a failure.
[  425.779809][T28561] name failslab, interval 1, probability 0, space 0, times 0
[  425.781851][T28561] CPU: 0 PID: 28561 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.783178][T28561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.784907][T28561] Call trace:
[  425.785422][T28561]  dump_backtrace+0x0/0x43c
[  425.786195][T28561]  show_stack+0x2c/0x3c
[  425.786912][T28561]  __dump_stack+0x30/0x40
[  425.787621][T28561]  dump_stack_lvl+0xf8/0x160
[  425.788394][T28561]  dump_stack+0x1c/0x5c
[  425.789102][T28561]  should_fail+0x3c0/0x51c
[  425.789802][T28561]  __should_failslab+0xbc/0x10c
[  425.790585][T28561]  should_failslab+0x10/0x28
[  425.791366][T28561]  slab_pre_alloc_hook+0x64/0xec
[  425.792136][T28561]  kmem_cache_alloc+0x94/0x3e4
[  425.792905][T28561]  new_inode_pseudo+0x10c/0x1fc
[  425.793701][T28561]  new_inode+0x38/0x174
[  425.794392][T28561]  debugfs_create_dir+0xec/0x3f4
[  425.795188][T28561]  nbd_start_device+0x3c8/0xb40
[  425.796040][T28561]  nbd_ioctl+0x514/0xc50
[  425.796764][T28561]  blkdev_ioctl+0x5f8/0xbb8
[  425.797491][T28561]  block_ioctl+0xa4/0x118
[  425.798162][T28561]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.798983][T28561]  invoke_syscall+0x98/0x2b8
[  425.799658][T28561]  el0_svc_common+0x138/0x258
[  425.800440][T28561]  do_el0_svc+0x58/0x14c
[  425.801177][T28561]  el0_svc+0x78/0x1e0
[  425.801811][T28561]  el0t_64_sync_handler+0xcc/0xe4
[  425.802637][T28561]  el0t_64_sync+0x1a0/0x1a4
[  425.805771][ T1643] team0 (unregistering): Port device team_slave_1 removed
[  425.807463][T28567] block nbd2: shutting down sockets
[  425.808271][T28561] debugfs: out of free dentries, can not create directory 'nbd4'
[  425.808322][T28561] block nbd4: Failed to create debugfs dir for 'nbd4'
[  425.826218][ T1643] team0 (unregistering): Port device team_slave_0 removed
[  425.830517][T28568] block nbd1: shutting down sockets
[  425.831888][T28570] block nbd3: shutting down sockets
[  425.833261][T28563] FAULT_INJECTION: forcing a failure.
[  425.833261][T28563] name failslab, interval 1, probability 0, space 0, times 0
[  425.847243][T28563] CPU: 0 PID: 28563 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.847458][ T1643] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  425.848670][T28563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.851415][T28563] Call trace:
[  425.851914][T28563]  dump_backtrace+0x0/0x43c
[  425.852593][T28563]  show_stack+0x2c/0x3c
[  425.853171][T28563]  __dump_stack+0x30/0x40
[  425.853810][T28563]  dump_stack_lvl+0xf8/0x160
[  425.854541][T28563]  dump_stack+0x1c/0x5c
[  425.855146][T28563]  should_fail+0x3c0/0x51c
[  425.855806][T28563]  __should_failslab+0xbc/0x10c
[  425.856523][T28563]  should_failslab+0x10/0x28
[  425.857195][T28563]  slab_pre_alloc_hook+0x64/0xec
[  425.857972][T28563]  kmem_cache_alloc+0x94/0x3e4
[  425.858688][T28563]  new_inode_pseudo+0x10c/0x1fc
[  425.859408][T28563]  new_inode+0x38/0x174
[  425.860007][T28563]  debugfs_create_dir+0xec/0x3f4
[  425.860739][T28563]  nbd_start_device+0x3c8/0xb40
[  425.861515][T28563]  nbd_ioctl+0x514/0xc50
[  425.862205][T28563]  blkdev_ioctl+0x5f8/0xbb8
[  425.862938][T28563]  block_ioctl+0xa4/0x118
[  425.863661][T28563]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.864447][T28563]  invoke_syscall+0x98/0x2b8
[  425.865184][T28563]  el0_svc_common+0x138/0x258
[  425.865928][T28563]  do_el0_svc+0x58/0x14c
[  425.866655][T28563]  el0_svc+0x78/0x1e0
[  425.867360][T28563]  el0t_64_sync_handler+0xcc/0xe4
[  425.868194][T28563]  el0t_64_sync+0x1a0/0x1a4
[  425.872144][T28563] debugfs: out of free dentries, can not create directory 'nbd0'
[  425.873233][T28568] FAULT_INJECTION: forcing a failure.
[  425.873233][T28568] name failslab, interval 1, probability 0, space 0, times 0
[  425.873444][T28563] block nbd0: Failed to create debugfs dir for 'nbd0'
[  425.875208][T28568] CPU: 0 PID: 28568 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.877571][T28568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.879269][T28568] Call trace:
[  425.879757][T28570] FAULT_INJECTION: forcing a failure.
[  425.879757][T28570] name failslab, interval 1, probability 0, space 0, times 0
[  425.879872][T28568]  dump_backtrace+0x0/0x43c
[  425.882578][T28568]  show_stack+0x2c/0x3c
[  425.883290][T28568]  __dump_stack+0x30/0x40
[  425.883958][T28568]  dump_stack_lvl+0xf8/0x160
[  425.884752][T28568]  dump_stack+0x1c/0x5c
[  425.885412][T28568]  should_fail+0x3c0/0x51c
[  425.886154][T28568]  __should_failslab+0xbc/0x10c
[  425.886960][T28568]  should_failslab+0x10/0x28
[  425.887675][T28568]  slab_pre_alloc_hook+0x64/0xec
[  425.888471][T28568]  __kmalloc_node+0xb8/0x520
[  425.889186][T28568]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.890024][T28568]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.890973][T28568]  nbd_start_device+0x14c/0xb40
[  425.891763][T28568]  nbd_ioctl+0x514/0xc50
[  425.892516][T28568]  blkdev_ioctl+0x5f8/0xbb8
[  425.893223][T28568]  block_ioctl+0xa4/0x118
[  425.893955][T28568]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.894731][T28568]  invoke_syscall+0x98/0x2b8
[  425.895535][T28568]  el0_svc_common+0x138/0x258
[  425.896274][T28568]  do_el0_svc+0x58/0x14c
[  425.896972][T28568]  el0_svc+0x78/0x1e0
[  425.897657][T28568]  el0t_64_sync_handler+0xcc/0xe4
[  425.898550][T28568]  el0t_64_sync+0x1a0/0x1a4
[  425.899287][T28570] CPU: 1 PID: 28570 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.900814][T28570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.902358][T28570] Call trace:
[  425.902914][T28570]  dump_backtrace+0x0/0x43c
[  425.903604][T28570]  show_stack+0x2c/0x3c
[  425.904249][T28570]  __dump_stack+0x30/0x40
[  425.904711][T28568] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.904940][T28570]  dump_stack_lvl+0xf8/0x160
[  425.906774][T28570]  dump_stack+0x1c/0x5c
[  425.907401][T28570]  should_fail+0x3c0/0x51c
[  425.908088][T28570]  __should_failslab+0xbc/0x10c
[  425.908921][T28570]  should_failslab+0x10/0x28
[  425.909711][T28570]  slab_pre_alloc_hook+0x64/0xec
[  425.910583][T28570]  __kmalloc_node+0xb8/0x520
[  425.911346][T28570]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.912252][T28570]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.913212][T28570]  nbd_start_device+0x14c/0xb40
[  425.913990][T28570]  nbd_ioctl+0x514/0xc50
[  425.914646][T28570]  blkdev_ioctl+0x5f8/0xbb8
[  425.915306][T28570]  block_ioctl+0xa4/0x118
[  425.915957][T28570]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.916666][T28570]  invoke_syscall+0x98/0x2b8
[  425.917378][T28570]  el0_svc_common+0x138/0x258
[  425.918085][T28570]  do_el0_svc+0x58/0x14c
[  425.918739][T28570]  el0_svc+0x78/0x1e0
[  425.919425][T28570]  el0t_64_sync_handler+0xcc/0xe4
[  425.920245][T28570]  el0t_64_sync+0x1a0/0x1a4
[  425.941334][T28567] FAULT_INJECTION: forcing a failure.
[  425.941334][T28567] name failslab, interval 1, probability 0, space 0, times 0
[  425.943215][T28567] CPU: 0 PID: 28567 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  425.944580][T28567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  425.946240][T28567] Call trace:
[  425.946734][T28567]  dump_backtrace+0x0/0x43c
[  425.947100][ T1643] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  425.947453][T28567]  show_stack+0x2c/0x3c
[  425.949436][T28567]  __dump_stack+0x30/0x40
[  425.950134][T28567]  dump_stack_lvl+0xf8/0x160
[  425.950840][T28567]  dump_stack+0x1c/0x5c
[  425.951543][T28567]  should_fail+0x3c0/0x51c
[  425.952240][T28567]  __should_failslab+0xbc/0x10c
[  425.953058][T28567]  should_failslab+0x10/0x28
[  425.953812][T28567]  slab_pre_alloc_hook+0x64/0xec
[  425.954613][T28567]  __kmalloc_node+0xb8/0x520
[  425.955379][T28567]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  425.956247][T28567]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  425.957174][T28567]  nbd_start_device+0x14c/0xb40
[  425.957952][T28567]  nbd_ioctl+0x514/0xc50
[  425.958575][T28567]  blkdev_ioctl+0x5f8/0xbb8
[  425.959295][T28567]  block_ioctl+0xa4/0x118
[  425.959953][T28567]  __arm64_sys_ioctl+0x14c/0x1c8
[  425.960715][T28567]  invoke_syscall+0x98/0x2b8
[  425.961401][T28567]  el0_svc_common+0x138/0x258
[  425.962156][T28567]  do_el0_svc+0x58/0x14c
[  425.962817][T28567]  el0_svc+0x78/0x1e0
[  425.963438][T28567]  el0t_64_sync_handler+0xcc/0xe4
[  425.964228][T28567]  el0t_64_sync+0x1a0/0x1a4
[  425.967619][T28570] Increasing nr_hw_queues to 2 fails, fallback to 1
[  425.970570][T28567] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.028106][T28577] block nbd1: shutting down sockets
[  426.066802][T28581] block nbd0: shutting down sockets
[  426.072165][ T1643] bond0 (unregistering): Released all slaves
[  426.077210][T28585] block nbd3: shutting down sockets
[  426.078335][T28583] block nbd2: shutting down sockets
[  426.080071][T28581] FAULT_INJECTION: forcing a failure.
[  426.080071][T28581] name failslab, interval 1, probability 0, space 0, times 0
[  426.082108][T28581] CPU: 0 PID: 28581 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.083690][T28581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.085338][T28581] Call trace:
[  426.085859][T28581]  dump_backtrace+0x0/0x43c
[  426.086581][T28581]  show_stack+0x2c/0x3c
[  426.087288][T28581]  __dump_stack+0x30/0x40
[  426.087993][T28581]  dump_stack_lvl+0xf8/0x160
[  426.088263][T28577] FAULT_INJECTION: forcing a failure.
[  426.088263][T28577] name failslab, interval 1, probability 0, space 0, times 0
[  426.088741][T28581]  dump_stack+0x1c/0x5c
[  426.091325][T28581]  should_fail+0x3c0/0x51c
[  426.092041][T28581]  __should_failslab+0xbc/0x10c
[  426.092776][T28581]  should_failslab+0x10/0x28
[  426.093471][T28581]  slab_pre_alloc_hook+0x64/0xec
[  426.094261][T28581]  kmem_cache_alloc+0x94/0x3e4
[  426.095005][T28581]  __d_alloc+0x3c/0x65c
[  426.095659][T28581]  d_alloc_parallel+0x80/0x1104
[  426.096455][T28581]  __lookup_slow+0x104/0x380
[  426.097226][T28581]  lookup_one_len+0x178/0x28c
[  426.097990][T28581]  start_creating+0x19c/0x2e0
[  426.098791][T28581]  debugfs_create_dir+0x30/0x3f4
[  426.099577][T28581]  nbd_start_device+0x3c8/0xb40
[  426.100359][T28581]  nbd_ioctl+0x514/0xc50
[  426.101037][T28581]  blkdev_ioctl+0x5f8/0xbb8
[  426.101752][T28581]  block_ioctl+0xa4/0x118
[  426.102451][T28581]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.103253][T28581]  invoke_syscall+0x98/0x2b8
[  426.104031][T28581]  el0_svc_common+0x138/0x258
[  426.104753][T28581]  do_el0_svc+0x58/0x14c
[  426.105480][T28581]  el0_svc+0x78/0x1e0
[  426.106133][T28581]  el0t_64_sync_handler+0xcc/0xe4
[  426.106976][T28581]  el0t_64_sync+0x1a0/0x1a4
[  426.109153][T28581] block nbd0: Failed to create debugfs dir for 'nbd0'
[  426.112921][T28579] block nbd4: shutting down sockets
[  426.114198][T28577] CPU: 1 PID: 28577 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.115660][T28577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.117237][T28577] Call trace:
[  426.117804][T28577]  dump_backtrace+0x0/0x43c
[  426.118557][T28577]  show_stack+0x2c/0x3c
[  426.119247][T28577]  __dump_stack+0x30/0x40
[  426.119962][T28577]  dump_stack_lvl+0xf8/0x160
[  426.120730][T28577]  dump_stack+0x1c/0x5c
[  426.121363][T28577]  should_fail+0x3c0/0x51c
[  426.122076][T28577]  __should_failslab+0xbc/0x10c
[  426.122873][T28577]  should_failslab+0x10/0x28
[  426.123631][T28577]  slab_pre_alloc_hook+0x64/0xec
[  426.124419][T28577]  __kmalloc_node+0xb8/0x520
[  426.125146][T28577]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.126004][T28577]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.126922][T28577]  nbd_start_device+0x14c/0xb40
[  426.127676][T28577]  nbd_ioctl+0x514/0xc50
[  426.128397][T28577]  blkdev_ioctl+0x5f8/0xbb8
[  426.129127][T28577]  block_ioctl+0xa4/0x118
[  426.129788][T28577]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.130624][T28577]  invoke_syscall+0x98/0x2b8
[  426.131295][T28577]  el0_svc_common+0x138/0x258
[  426.131960][T28577]  do_el0_svc+0x58/0x14c
[  426.132573][T28577]  el0_svc+0x78/0x1e0
[  426.133208][T28577]  el0t_64_sync_handler+0xcc/0xe4
[  426.133955][T28577]  el0t_64_sync+0x1a0/0x1a4
[  426.143193][T28577] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.147407][T28579] FAULT_INJECTION: forcing a failure.
[  426.147407][T28579] name failslab, interval 1, probability 0, space 0, times 0
[  426.149213][T28579] CPU: 1 PID: 28579 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.149481][T28583] FAULT_INJECTION: forcing a failure.
[  426.149481][T28583] name failslab, interval 1, probability 0, space 0, times 0
[  426.150549][T28579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.153793][T28579] Call trace:
[  426.154228][T28579]  dump_backtrace+0x0/0x43c
[  426.154861][T28579]  show_stack+0x2c/0x3c
[  426.155508][T28579]  __dump_stack+0x30/0x40
[  426.156215][T28579]  dump_stack_lvl+0xf8/0x160
[  426.156956][T28579]  dump_stack+0x1c/0x5c
[  426.157523][T28579]  should_fail+0x3c0/0x51c
[  426.158157][T28579]  __should_failslab+0xbc/0x10c
[  426.158922][T28579]  should_failslab+0x10/0x28
[  426.159713][T28579]  slab_pre_alloc_hook+0x64/0xec
[  426.160534][T28579]  kmem_cache_alloc+0x94/0x3e4
[  426.161374][T28579]  new_inode_pseudo+0x10c/0x1fc
[  426.162199][T28579]  new_inode+0x38/0x174
[  426.162892][T28579]  debugfs_create_dir+0xec/0x3f4
[  426.163726][T28579]  nbd_start_device+0x3c8/0xb40
[  426.164577][T28579]  nbd_ioctl+0x514/0xc50
[  426.165310][T28579]  blkdev_ioctl+0x5f8/0xbb8
[  426.166077][T28579]  block_ioctl+0xa4/0x118
[  426.166773][T28579]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.167567][T28579]  invoke_syscall+0x98/0x2b8
[  426.168326][T28579]  el0_svc_common+0x138/0x258
[  426.169063][T28579]  do_el0_svc+0x58/0x14c
[  426.169682][T28579]  el0_svc+0x78/0x1e0
[  426.170298][T28579]  el0t_64_sync_handler+0xcc/0xe4
[  426.171091][T28579]  el0t_64_sync+0x1a0/0x1a4
[  426.171745][T28583] CPU: 0 PID: 28583 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.173251][T28583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.173811][T28579] debugfs: out of free dentries, can not create directory 'nbd4'
[  426.174764][T28583] Call trace:
[  426.174770][T28583]  dump_backtrace+0x0/0x43c
[  426.174786][T28583]  show_stack+0x2c/0x3c
[  426.174795][T28583]  __dump_stack+0x30/0x40
[  426.176435][T28579] block nbd4: Failed to create debugfs dir for 'nbd4'
[  426.176555][T28583]  dump_stack_lvl+0xf8/0x160
[  426.180051][T28583]  dump_stack+0x1c/0x5c
[  426.180644][T28583]  should_fail+0x3c0/0x51c
[  426.181324][T28583]  __should_failslab+0xbc/0x10c
[  426.182005][T28583]  should_failslab+0x10/0x28
[  426.182702][T28583]  slab_pre_alloc_hook+0x64/0xec
[  426.183410][T28583]  __kmalloc_node+0xb8/0x520
[  426.184077][T28583]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.184892][T28583]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.185716][T28583]  nbd_start_device+0x14c/0xb40
[  426.186438][T28583]  nbd_ioctl+0x514/0xc50
[  426.187085][T28583]  blkdev_ioctl+0x5f8/0xbb8
[  426.187732][T28583]  block_ioctl+0xa4/0x118
[  426.188362][T28583]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.189074][T28583]  invoke_syscall+0x98/0x2b8
[  426.189722][T28583]  el0_svc_common+0x138/0x258
[  426.190408][T28583]  do_el0_svc+0x58/0x14c
[  426.191003][T28583]  el0_svc+0x78/0x1e0
[  426.191602][T28583]  el0t_64_sync_handler+0xcc/0xe4
[  426.192351][T28583]  el0t_64_sync+0x1a0/0x1a4
[  426.201200][T28583] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.219351][T28590] FAULT_INJECTION: forcing a failure.
[  426.219351][T28590] name failslab, interval 1, probability 0, space 0, times 0
[  426.221380][T28590] CPU: 1 PID: 28590 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.222748][T28590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.224227][T28590] Call trace:
[  426.224707][T28590]  dump_backtrace+0x0/0x43c
[  426.225430][T28590]  show_stack+0x2c/0x3c
[  426.226091][T28590]  __dump_stack+0x30/0x40
[  426.226747][T28590]  dump_stack_lvl+0xf8/0x160
[  426.227424][T28590]  dump_stack+0x1c/0x5c
[  426.228077][T28590]  should_fail+0x3c0/0x51c
[  426.228709][T28590]  __should_failslab+0xbc/0x10c
[  426.229405][T28590]  should_failslab+0x10/0x28
[  426.230175][T28590]  slab_pre_alloc_hook+0x64/0xec
[  426.230951][T28590]  __kmalloc_node+0xb8/0x520
[  426.231669][T28590]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.232480][T28590]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.233336][T28590]  nbd_start_device+0x14c/0xb40
[  426.234021][T28590]  nbd_ioctl+0x514/0xc50
[  426.234666][T28590]  blkdev_ioctl+0x5f8/0xbb8
[  426.235388][T28590]  block_ioctl+0xa4/0x118
[  426.236067][T28590]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.236852][T28590]  invoke_syscall+0x98/0x2b8
[  426.237611][T28590]  el0_svc_common+0x138/0x258
[  426.238351][T28590]  do_el0_svc+0x58/0x14c
[  426.239016][T28590]  el0_svc+0x78/0x1e0
[  426.239624][T28590]  el0t_64_sync_handler+0xcc/0xe4
[  426.240350][T28590]  el0t_64_sync+0x1a0/0x1a4
[  426.246490][T28590] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.277483][T28591] block nbd0: shutting down sockets
[  426.287858][T28594] block nbd1: shutting down sockets
[  426.341040][T28598] block nbd4: shutting down sockets
[  426.341213][T28600] block nbd3: shutting down sockets
[  426.346405][T28596] block nbd2: shutting down sockets
[  426.360743][T28594] FAULT_INJECTION: forcing a failure.
[  426.360743][T28594] name failslab, interval 1, probability 0, space 0, times 0
[  426.363104][T28591] FAULT_INJECTION: forcing a failure.
[  426.363104][T28591] name failslab, interval 1, probability 0, space 0, times 0
[  426.363242][T28594] CPU: 0 PID: 28594 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.366625][T28594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.368075][T28594] Call trace:
[  426.368531][T28594]  dump_backtrace+0x0/0x43c
[  426.369242][T28594]  show_stack+0x2c/0x3c
[  426.369913][T28594]  __dump_stack+0x30/0x40
[  426.370645][T28594]  dump_stack_lvl+0xf8/0x160
[  426.371309][T28594]  dump_stack+0x1c/0x5c
[  426.372024][T28594]  should_fail+0x3c0/0x51c
[  426.372760][T28594]  __should_failslab+0xbc/0x10c
[  426.373590][T28594]  should_failslab+0x10/0x28
[  426.374388][T28594]  slab_pre_alloc_hook+0x64/0xec
[  426.375261][T28594]  __kmalloc_node+0xb8/0x520
[  426.376036][T28594]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.376898][T28594]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.377791][T28594]  nbd_start_device+0x14c/0xb40
[  426.378544][T28594]  nbd_ioctl+0x514/0xc50
[  426.379202][T28594]  blkdev_ioctl+0x5f8/0xbb8
[  426.379903][T28594]  block_ioctl+0xa4/0x118
[  426.380552][T28594]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.381356][T28594]  invoke_syscall+0x98/0x2b8
[  426.382154][T28594]  el0_svc_common+0x138/0x258
[  426.382914][T28594]  do_el0_svc+0x58/0x14c
[  426.383607][T28594]  el0_svc+0x78/0x1e0
[  426.384300][T28594]  el0t_64_sync_handler+0xcc/0xe4
[  426.385127][T28594]  el0t_64_sync+0x1a0/0x1a4
[  426.385857][T28591] CPU: 1 PID: 28591 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.387390][T28591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.388964][T28591] Call trace:
[  426.389484][T28591]  dump_backtrace+0x0/0x43c
[  426.390202][T28591]  show_stack+0x2c/0x3c
[  426.390882][T28591]  __dump_stack+0x30/0x40
[  426.391577][T28591]  dump_stack_lvl+0xf8/0x160
[  426.392293][T28591]  dump_stack+0x1c/0x5c
[  426.392952][T28591]  should_fail+0x3c0/0x51c
[  426.393669][T28591]  __should_failslab+0xbc/0x10c
[  426.394475][T28591]  should_failslab+0x10/0x28
[  426.395188][T28591]  slab_pre_alloc_hook+0x64/0xec
[  426.395982][T28591]  kmem_cache_alloc+0x94/0x3e4
[  426.396667][T28591]  new_inode_pseudo+0x10c/0x1fc
[  426.397396][T28591]  new_inode+0x38/0x174
[  426.398001][T28591]  debugfs_create_dir+0xec/0x3f4
[  426.398832][T28591]  nbd_start_device+0x3c8/0xb40
[  426.399643][T28591]  nbd_ioctl+0x514/0xc50
[  426.400318][T28591]  blkdev_ioctl+0x5f8/0xbb8
[  426.401054][T28591]  block_ioctl+0xa4/0x118
[  426.401774][T28591]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.402563][T28591]  invoke_syscall+0x98/0x2b8
[  426.403272][T28591]  el0_svc_common+0x138/0x258
[  426.403961][T28591]  do_el0_svc+0x58/0x14c
[  426.404588][T28591]  el0_svc+0x78/0x1e0
[  426.405193][T28591]  el0t_64_sync_handler+0xcc/0xe4
[  426.405998][T28591]  el0t_64_sync+0x1a0/0x1a4
[  426.410471][ T1643] team0 (unregistering): Port device team_slave_1 removed
[  426.418271][ T1643] team0 (unregistering): Port device team_slave_0 removed
[  426.422675][ T1643] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  426.427556][T28596] FAULT_INJECTION: forcing a failure.
[  426.427556][T28596] name failslab, interval 1, probability 0, space 0, times 0
[  426.429981][T28596] CPU: 1 PID: 28596 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.431447][T28596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.433035][T28596] Call trace:
[  426.433543][T28596]  dump_backtrace+0x0/0x43c
[  426.434248][T28596]  show_stack+0x2c/0x3c
[  426.434943][T28596]  __dump_stack+0x30/0x40
[  426.435676][T28596]  dump_stack_lvl+0xf8/0x160
[  426.436337][T28596]  dump_stack+0x1c/0x5c
[  426.436942][T28596]  should_fail+0x3c0/0x51c
[  426.437674][T28596]  __should_failslab+0xbc/0x10c
[  426.438480][T28596]  should_failslab+0x10/0x28
[  426.439227][T28596]  slab_pre_alloc_hook+0x64/0xec
[  426.440063][T28596]  __kmalloc_node+0xb8/0x520
[  426.440744][T28596]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.441696][T28596]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.442639][T28596]  nbd_start_device+0x14c/0xb40
[  426.443424][T28596]  nbd_ioctl+0x514/0xc50
[  426.444149][T28596]  blkdev_ioctl+0x5f8/0xbb8
[  426.444862][T28596]  block_ioctl+0xa4/0x118
[  426.445542][T28596]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.446360][T28596]  invoke_syscall+0x98/0x2b8
[  426.447130][T28596]  el0_svc_common+0x138/0x258
[  426.447929][T28596]  do_el0_svc+0x58/0x14c
[  426.448621][T28596]  el0_svc+0x78/0x1e0
[  426.449320][T28596]  el0t_64_sync_handler+0xcc/0xe4
[  426.450213][T28596]  el0t_64_sync+0x1a0/0x1a4
[  426.457531][ T1643] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  426.459872][T28591] debugfs: out of free dentries, can not create directory 'nbd0'
[  426.461568][T28598] FAULT_INJECTION: forcing a failure.
[  426.461568][T28598] name failslab, interval 1, probability 0, space 0, times 0
[  426.463969][T28598] CPU: 1 PID: 28598 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.465431][T28598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.467015][T28598] Call trace:
[  426.467559][T28598]  dump_backtrace+0x0/0x43c
[  426.468269][T28598]  show_stack+0x2c/0x3c
[  426.468945][T28598]  __dump_stack+0x30/0x40
[  426.469698][T28598]  dump_stack_lvl+0xf8/0x160
[  426.470464][T28598]  dump_stack+0x1c/0x5c
[  426.471150][T28598]  should_fail+0x3c0/0x51c
[  426.471935][T28598]  __should_failslab+0xbc/0x10c
[  426.472654][T28594] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.473611][T28598]  should_failslab+0x10/0x28
[  426.474293][T28598]  slab_pre_alloc_hook+0x64/0xec
[  426.474812][T28596] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.475075][T28598]  kmem_cache_alloc+0x94/0x3e4
[  426.476935][T28598]  new_inode_pseudo+0x10c/0x1fc
[  426.477749][T28598]  new_inode+0x38/0x174
[  426.478378][T28598]  debugfs_create_dir+0xec/0x3f4
[  426.479125][T28598]  nbd_start_device+0x3c8/0xb40
[  426.479872][T28598]  nbd_ioctl+0x514/0xc50
[  426.480068][T28591] block nbd0: Failed to create debugfs dir for 'nbd0'
[  426.480657][T28598]  blkdev_ioctl+0x5f8/0xbb8
[  426.482536][T28598]  block_ioctl+0xa4/0x118
[  426.483156][T28598]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.483912][T28598]  invoke_syscall+0x98/0x2b8
[  426.484583][T28598]  el0_svc_common+0x138/0x258
[  426.485323][T28598]  do_el0_svc+0x58/0x14c
[  426.485995][T28598]  el0_svc+0x78/0x1e0
[  426.486648][T28598]  el0t_64_sync_handler+0xcc/0xe4
[  426.487457][T28598]  el0t_64_sync+0x1a0/0x1a4
[  426.489655][T28598] debugfs: out of free dentries, can not create directory 'nbd4'
[  426.498452][T28598] block nbd4: Failed to create debugfs dir for 'nbd4'
[  426.518263][T28604] FAULT_INJECTION: forcing a failure.
[  426.518263][T28604] name failslab, interval 1, probability 0, space 0, times 0
[  426.520208][T28604] CPU: 1 PID: 28604 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.521534][T28604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.523244][T28604] Call trace:
[  426.523800][T28604]  dump_backtrace+0x0/0x43c
[  426.524540][T28604]  show_stack+0x2c/0x3c
[  426.525225][T28604]  __dump_stack+0x30/0x40
[  426.525824][T28604]  dump_stack_lvl+0xf8/0x160
[  426.526527][T28604]  dump_stack+0x1c/0x5c
[  426.527221][T28604]  should_fail+0x3c0/0x51c
[  426.527933][T28604]  __should_failslab+0xbc/0x10c
[  426.528735][T28604]  should_failslab+0x10/0x28
[  426.529493][T28604]  slab_pre_alloc_hook+0x64/0xec
[  426.530214][T28604]  __kmalloc_node+0xb8/0x520
[  426.530808][T28604]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.531617][T28604]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.532574][T28604]  nbd_start_device+0x14c/0xb40
[  426.533424][T28604]  nbd_ioctl+0x514/0xc50
[  426.534132][T28604]  blkdev_ioctl+0x5f8/0xbb8
[  426.534882][T28604]  block_ioctl+0xa4/0x118
[  426.535601][T28604]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.536469][T28604]  invoke_syscall+0x98/0x2b8
[  426.537209][T28604]  el0_svc_common+0x138/0x258
[  426.537889][T28604]  do_el0_svc+0x58/0x14c
[  426.538532][T28604]  el0_svc+0x78/0x1e0
[  426.539139][T28604]  el0t_64_sync_handler+0xcc/0xe4
[  426.539962][T28604]  el0t_64_sync+0x1a0/0x1a4
[  426.559335][T28604] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.579318][T28611] block nbd2: shutting down sockets
[  426.586762][T28612] block nbd4: shutting down sockets
[  426.596562][T28612] FAULT_INJECTION: forcing a failure.
[  426.596562][T28612] name failslab, interval 1, probability 0, space 0, times 0
[  426.598585][T28612] CPU: 1 PID: 28612 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.600097][T28612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.601725][T28612] Call trace:
[  426.602246][T28612]  dump_backtrace+0x0/0x43c
[  426.603024][T28612]  show_stack+0x2c/0x3c
[  426.603734][T28612]  __dump_stack+0x30/0x40
[  426.604421][T28612]  dump_stack_lvl+0xf8/0x160
[  426.605161][T28612]  dump_stack+0x1c/0x5c
[  426.605817][T28612]  should_fail+0x3c0/0x51c
[  426.606545][T28612]  __should_failslab+0xbc/0x10c
[  426.607330][T28612]  should_failslab+0x10/0x28
[  426.608013][T28612]  slab_pre_alloc_hook+0x64/0xec
[  426.608722][T28612]  kmem_cache_alloc+0x94/0x3e4
[  426.609469][T28612]  new_inode_pseudo+0x10c/0x1fc
[  426.610241][T28612]  new_inode+0x38/0x174
[  426.610887][T28612]  debugfs_create_dir+0xec/0x3f4
[  426.611699][T28612]  nbd_start_device+0x3c8/0xb40
[  426.612499][T28612]  nbd_ioctl+0x514/0xc50
[  426.613173][T28612]  blkdev_ioctl+0x5f8/0xbb8
[  426.613944][T28612]  block_ioctl+0xa4/0x118
[  426.614642][T28612]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.615463][T28612]  invoke_syscall+0x98/0x2b8
[  426.616216][T28612]  el0_svc_common+0x138/0x258
[  426.616906][T28612]  do_el0_svc+0x58/0x14c
[  426.617568][T28612]  el0_svc+0x78/0x1e0
[  426.618192][T28612]  el0t_64_sync_handler+0xcc/0xe4
[  426.619072][T28612]  el0t_64_sync+0x1a0/0x1a4
[  426.627812][ T1643] bond0 (unregistering): Released all slaves
[  426.631396][T28608] block nbd1: shutting down sockets
[  426.648577][T28611] FAULT_INJECTION: forcing a failure.
[  426.648577][T28611] name failslab, interval 1, probability 0, space 0, times 0
[  426.651109][T28611] CPU: 0 PID: 28611 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.651560][T28607] block nbd0: shutting down sockets
[  426.652511][T28611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.654967][T28611] Call trace:
[  426.655507][T28611]  dump_backtrace+0x0/0x43c
[  426.656252][T28611]  show_stack+0x2c/0x3c
[  426.656959][T28611]  __dump_stack+0x30/0x40
[  426.657663][T28611]  dump_stack_lvl+0xf8/0x160
[  426.658321][T28611]  dump_stack+0x1c/0x5c
[  426.658906][T28611]  should_fail+0x3c0/0x51c
[  426.659552][T28611]  __should_failslab+0xbc/0x10c
[  426.660291][T28611]  should_failslab+0x10/0x28
[  426.661010][T28611]  slab_pre_alloc_hook+0x64/0xec
[  426.661756][T28611]  __kmalloc_node+0xb8/0x520
[  426.662591][T28611]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.663465][T28611]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.664411][T28611]  nbd_start_device+0x14c/0xb40
[  426.665198][T28611]  nbd_ioctl+0x514/0xc50
[  426.665873][T28611]  blkdev_ioctl+0x5f8/0xbb8
[  426.666671][T28611]  block_ioctl+0xa4/0x118
[  426.666727][T28612] debugfs: out of free dentries, can not create directory 'nbd4'
[  426.667379][T28611]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.668598][T28612] block nbd4: Failed to create debugfs dir for 'nbd4'
[  426.669328][T28611]  invoke_syscall+0x98/0x2b8
[  426.671042][T28607] FAULT_INJECTION: forcing a failure.
[  426.671042][T28607] name failslab, interval 1, probability 0, space 0, times 0
[  426.671240][T28611]  el0_svc_common+0x138/0x258
[  426.673981][T28611]  do_el0_svc+0x58/0x14c
[  426.674608][T28611]  el0_svc+0x78/0x1e0
[  426.675254][T28611]  el0t_64_sync_handler+0xcc/0xe4
[  426.676069][T28611]  el0t_64_sync+0x1a0/0x1a4
[  426.677172][T28607] CPU: 1 PID: 28607 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.678703][T28607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.680047][T28611] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.680232][T28607] Call trace:
[  426.681784][T28607]  dump_backtrace+0x0/0x43c
[  426.682480][T28607]  show_stack+0x2c/0x3c
[  426.683136][T28607]  __dump_stack+0x30/0x40
[  426.683760][T28607]  dump_stack_lvl+0xf8/0x160
[  426.684494][T28607]  dump_stack+0x1c/0x5c
[  426.685179][T28607]  should_fail+0x3c0/0x51c
[  426.685848][T28607]  __should_failslab+0xbc/0x10c
[  426.686602][T28607]  should_failslab+0x10/0x28
[  426.687365][T28607]  slab_pre_alloc_hook+0x64/0xec
[  426.688177][T28607]  kmem_cache_alloc+0x94/0x3e4
[  426.688992][T28607]  new_inode_pseudo+0x10c/0x1fc
[  426.689785][T28607]  new_inode+0x38/0x174
[  426.690465][T28607]  debugfs_create_dir+0xec/0x3f4
[  426.691255][T28607]  nbd_start_device+0x3c8/0xb40
[  426.692080][T28607]  nbd_ioctl+0x514/0xc50
[  426.692683][T28607]  blkdev_ioctl+0x5f8/0xbb8
[  426.693378][T28607]  block_ioctl+0xa4/0x118
[  426.694024][T28607]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.694765][T28607]  invoke_syscall+0x98/0x2b8
[  426.695401][T28607]  el0_svc_common+0x138/0x258
[  426.696075][T28607]  do_el0_svc+0x58/0x14c
[  426.696691][T28607]  el0_svc+0x78/0x1e0
[  426.697232][T28607]  el0t_64_sync_handler+0xcc/0xe4
[  426.698014][T28607]  el0t_64_sync+0x1a0/0x1a4
[  426.701389][T28607] debugfs: out of free dentries, can not create directory 'nbd0'
[  426.702768][T28607] block nbd0: Failed to create debugfs dir for 'nbd0'
[  426.728320][T28608] FAULT_INJECTION: forcing a failure.
[  426.728320][T28608] name failslab, interval 1, probability 0, space 0, times 0
[  426.730346][T28608] CPU: 1 PID: 28608 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.731792][T28608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.733438][T28608] Call trace:
[  426.733992][T28608]  dump_backtrace+0x0/0x43c
[  426.734687][T28608]  show_stack+0x2c/0x3c
[  426.735326][T28608]  __dump_stack+0x30/0x40
[  426.735975][T28608]  dump_stack_lvl+0xf8/0x160
[  426.736745][T28608]  dump_stack+0x1c/0x5c
[  426.737432][T28608]  should_fail+0x3c0/0x51c
[  426.738102][T28608]  __should_failslab+0xbc/0x10c
[  426.738917][T28608]  should_failslab+0x10/0x28
[  426.739621][T28608]  slab_pre_alloc_hook+0x64/0xec
[  426.740335][T28608]  __kmalloc_node+0xb8/0x520
[  426.741033][T28608]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.741852][T28608]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.742718][T28608]  nbd_start_device+0x14c/0xb40
[  426.743461][T28608]  nbd_ioctl+0x514/0xc50
[  426.744080][T28608]  blkdev_ioctl+0x5f8/0xbb8
[  426.744747][T28608]  block_ioctl+0xa4/0x118
[  426.745357][T28608]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.746012][T28608]  invoke_syscall+0x98/0x2b8
[  426.746627][T28608]  el0_svc_common+0x138/0x258
[  426.747361][T28608]  do_el0_svc+0x58/0x14c
[  426.748039][T28608]  el0_svc+0x78/0x1e0
[  426.748689][T28608]  el0t_64_sync_handler+0xcc/0xe4
[  426.749535][T28608]  el0t_64_sync+0x1a0/0x1a4
[  426.752605][T28608] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.782309][T28618] block nbd3: shutting down sockets
[  426.827289][T28624] block nbd1: shutting down sockets
[  426.829367][T28620] block nbd2: shutting down sockets
[  426.830598][T28622] block nbd4: shutting down sockets
[  426.833945][T28618] FAULT_INJECTION: forcing a failure.
[  426.833945][T28618] name failslab, interval 1, probability 0, space 0, times 0
[  426.846066][T28618] CPU: 1 PID: 28618 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.847448][T28618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.849075][T28618] Call trace:
[  426.849635][T28618]  dump_backtrace+0x0/0x43c
[  426.850392][T28618]  show_stack+0x2c/0x3c
[  426.851105][T28618]  __dump_stack+0x30/0x40
[  426.851851][T28618]  dump_stack_lvl+0xf8/0x160
[  426.852670][T28618]  dump_stack+0x1c/0x5c
[  426.853369][T28618]  should_fail+0x3c0/0x51c
[  426.854091][T28618]  __should_failslab+0xbc/0x10c
[  426.854891][T28618]  should_failslab+0x10/0x28
[  426.855635][T28618]  slab_pre_alloc_hook+0x64/0xec
[  426.856373][T28618]  __kmalloc_node+0xb8/0x520
[  426.857125][T28618]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.857990][T28618]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.858731][T28622] FAULT_INJECTION: forcing a failure.
[  426.858731][T28622] name failslab, interval 1, probability 0, space 0, times 0
[  426.858927][T28618]  nbd_start_device+0x14c/0xb40
[  426.861693][T28618]  nbd_ioctl+0x514/0xc50
[  426.862329][T28618]  blkdev_ioctl+0x5f8/0xbb8
[  426.863031][T28618]  block_ioctl+0xa4/0x118
[  426.863725][T28618]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.864472][T28618]  invoke_syscall+0x98/0x2b8
[  426.865254][T28618]  el0_svc_common+0x138/0x258
[  426.866060][T28618]  do_el0_svc+0x58/0x14c
[  426.866786][T28618]  el0_svc+0x78/0x1e0
[  426.867348][T28618]  el0t_64_sync_handler+0xcc/0xe4
[  426.868126][T28618]  el0t_64_sync+0x1a0/0x1a4
[  426.869435][T28622] CPU: 0 PID: 28622 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.870890][T28635] block nbd0: shutting down sockets
[  426.870996][T28622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.871010][T28622] Call trace:
[  426.871014][T28622]  dump_backtrace+0x0/0x43c
[  426.875000][T28622]  show_stack+0x2c/0x3c
[  426.875735][T28622]  __dump_stack+0x30/0x40
[  426.876531][T28622]  dump_stack_lvl+0xf8/0x160
[  426.877325][T28622]  dump_stack+0x1c/0x5c
[  426.877984][T28622]  should_fail+0x3c0/0x51c
[  426.878704][T28622]  __should_failslab+0xbc/0x10c
[  426.879482][T28622]  should_failslab+0x10/0x28
[  426.880250][T28622]  slab_pre_alloc_hook+0x64/0xec
[  426.881109][T28622]  kmem_cache_alloc+0x94/0x3e4
[  426.881826][T28622]  new_inode_pseudo+0x10c/0x1fc
[  426.882552][T28622]  new_inode+0x38/0x174
[  426.883296][T28622]  debugfs_create_dir+0xec/0x3f4
[  426.884135][T28622]  nbd_start_device+0x3c8/0xb40
[  426.884900][T28622]  nbd_ioctl+0x514/0xc50
[  426.885554][T28622]  blkdev_ioctl+0x5f8/0xbb8
[  426.886143][T28618] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.886193][T28622]  block_ioctl+0xa4/0x118
[  426.887743][T28622]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.888462][T28622]  invoke_syscall+0x98/0x2b8
[  426.889192][T28622]  el0_svc_common+0x138/0x258
[  426.889917][T28622]  do_el0_svc+0x58/0x14c
[  426.890594][T28622]  el0_svc+0x78/0x1e0
[  426.891164][T28622]  el0t_64_sync_handler+0xcc/0xe4
[  426.891960][T28622]  el0t_64_sync+0x1a0/0x1a4
[  426.898081][T28624] FAULT_INJECTION: forcing a failure.
[  426.898081][T28624] name failslab, interval 1, probability 0, space 0, times 0
[  426.900094][T28624] CPU: 1 PID: 28624 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.901434][T28624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.903076][T28624] Call trace:
[  426.903255][T28620] FAULT_INJECTION: forcing a failure.
[  426.903255][T28620] name failslab, interval 1, probability 0, space 0, times 0
[  426.903600][T28624]  dump_backtrace+0x0/0x43c
[  426.906111][T28624]  show_stack+0x2c/0x3c
[  426.906799][T28624]  __dump_stack+0x30/0x40
[  426.907406][T28624]  dump_stack_lvl+0xf8/0x160
[  426.908062][T28624]  dump_stack+0x1c/0x5c
[  426.908735][T28624]  should_fail+0x3c0/0x51c
[  426.908758][T28622] debugfs: out of free dentries, can not create directory 'nbd4'
[  426.909424][T28624]  __should_failslab+0xbc/0x10c
[  426.909442][T28624]  should_failslab+0x10/0x28
[  426.912099][T28624]  slab_pre_alloc_hook+0x64/0xec
[  426.912922][T28624]  __kmalloc_node+0xb8/0x520
[  426.913463][T28622] block nbd4: Failed to create debugfs dir for 'nbd4'
[  426.913690][T28624]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.915060][T28626] FAULT_INJECTION: forcing a failure.
[  426.915060][T28626] name failslab, interval 1, probability 0, space 0, times 0
[  426.915661][T28624]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.918564][T28624]  nbd_start_device+0x14c/0xb40
[  426.919344][T28624]  nbd_ioctl+0x514/0xc50
[  426.919998][T28624]  blkdev_ioctl+0x5f8/0xbb8
[  426.920719][T28624]  block_ioctl+0xa4/0x118
[  426.921389][T28624]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.922152][T28624]  invoke_syscall+0x98/0x2b8
[  426.922910][T28624]  el0_svc_common+0x138/0x258
[  426.923678][T28624]  do_el0_svc+0x58/0x14c
[  426.924342][T28624]  el0_svc+0x78/0x1e0
[  426.924934][T28624]  el0t_64_sync_handler+0xcc/0xe4
[  426.925757][T28624]  el0t_64_sync+0x1a0/0x1a4
[  426.926885][T28626] CPU: 0 PID: 28626 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.928405][T28626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.929595][T28624] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.929941][T28626] Call trace:
[  426.929948][T28626]  dump_backtrace+0x0/0x43c
[  426.932160][T28626]  show_stack+0x2c/0x3c
[  426.932785][T28626]  __dump_stack+0x30/0x40
[  426.933500][T28626]  dump_stack_lvl+0xf8/0x160
[  426.934246][T28626]  dump_stack+0x1c/0x5c
[  426.934905][T28626]  should_fail+0x3c0/0x51c
[  426.935656][T28626]  __should_failslab+0xbc/0x10c
[  426.936487][T28626]  should_failslab+0x10/0x28
[  426.937270][T28626]  slab_pre_alloc_hook+0x64/0xec
[  426.938068][T28626]  kmem_cache_alloc+0x94/0x3e4
[  426.938868][T28626]  new_inode_pseudo+0x10c/0x1fc
[  426.939683][T28626]  new_inode+0x38/0x174
[  426.940328][T28626]  debugfs_create_dir+0xec/0x3f4
[  426.941145][T28626]  nbd_start_device+0x3c8/0xb40
[  426.941952][T28626]  nbd_ioctl+0x514/0xc50
[  426.942636][T28626]  blkdev_ioctl+0x5f8/0xbb8
[  426.943309][T28626]  block_ioctl+0xa4/0x118
[  426.944038][T28626]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.944901][T28626]  invoke_syscall+0x98/0x2b8
[  426.945704][T28626]  el0_svc_common+0x138/0x258
[  426.946513][T28626]  do_el0_svc+0x58/0x14c
[  426.947202][T28626]  el0_svc+0x78/0x1e0
[  426.947827][T28626]  el0t_64_sync_handler+0xcc/0xe4
[  426.948615][T28626]  el0t_64_sync+0x1a0/0x1a4
[  426.949405][T28620] CPU: 1 PID: 28620 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  426.950944][T28620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  426.952593][T28620] Call trace:
[  426.953105][T28620]  dump_backtrace+0x0/0x43c
[  426.953811][T28620]  show_stack+0x2c/0x3c
[  426.954448][T28620]  __dump_stack+0x30/0x40
[  426.955110][T28620]  dump_stack_lvl+0xf8/0x160
[  426.955869][T28620]  dump_stack+0x1c/0x5c
[  426.956529][T28620]  should_fail+0x3c0/0x51c
[  426.957234][T28620]  __should_failslab+0xbc/0x10c
[  426.957997][T28620]  should_failslab+0x10/0x28
[  426.958685][T28620]  slab_pre_alloc_hook+0x64/0xec
[  426.959433][T28620]  __kmalloc_node+0xb8/0x520
[  426.960131][T28620]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  426.960954][T28620]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  426.961820][T28620]  nbd_start_device+0x14c/0xb40
[  426.962542][T28620]  nbd_ioctl+0x514/0xc50
[  426.963236][T28620]  blkdev_ioctl+0x5f8/0xbb8
[  426.963960][T28620]  block_ioctl+0xa4/0x118
[  426.964160][T28626] debugfs: out of free dentries, can not create directory 'nbd0'
[  426.964659][T28620]  __arm64_sys_ioctl+0x14c/0x1c8
[  426.966793][T28620]  invoke_syscall+0x98/0x2b8
[  426.967437][T28620]  el0_svc_common+0x138/0x258
[  426.968187][T28620]  do_el0_svc+0x58/0x14c
[  426.968893][T28620]  el0_svc+0x78/0x1e0
[  426.969561][T28620]  el0t_64_sync_handler+0xcc/0xe4
[  426.970353][T28620]  el0t_64_sync+0x1a0/0x1a4
[  426.989258][T28620] Increasing nr_hw_queues to 2 fails, fallback to 1
[  426.996891][T28626] block nbd0: Failed to create debugfs dir for 'nbd0'
[  427.127340][T28665] block nbd3: shutting down sockets
[  427.127626][T28668] block nbd1: shutting down sockets
[  427.139169][T28667] block nbd2: shutting down sockets
[  427.140322][T28666] block nbd4: shutting down sockets
[  427.146555][T28656] block nbd0: shutting down sockets
[  427.148741][T28649] FAULT_INJECTION: forcing a failure.
[  427.148741][T28649] name failslab, interval 1, probability 0, space 0, times 0
[  427.150937][T28649] CPU: 0 PID: 28649 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.152439][T28649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.154089][T28649] Call trace:
[  427.154656][T28649]  dump_backtrace+0x0/0x43c
[  427.155403][T28649]  show_stack+0x2c/0x3c
[  427.156101][T28649]  __dump_stack+0x30/0x40
[  427.156876][T28649]  dump_stack_lvl+0xf8/0x160
[  427.157642][T28649]  dump_stack+0x1c/0x5c
[  427.158395][T28649]  should_fail+0x3c0/0x51c
[  427.159163][T28649]  __should_failslab+0xbc/0x10c
[  427.159899][T28649]  should_failslab+0x10/0x28
[  427.160555][T28649]  slab_pre_alloc_hook+0x64/0xec
[  427.161269][T28649]  kmem_cache_alloc+0x94/0x3e4
[  427.162055][T28649]  new_inode_pseudo+0x10c/0x1fc
[  427.162760][T28649]  new_inode+0x38/0x174
[  427.163355][T28649]  debugfs_create_dir+0xec/0x3f4
[  427.164047][T28649]  nbd_start_device+0x3c8/0xb40
[  427.164711][T28649]  nbd_ioctl+0x514/0xc50
[  427.165315][T28649]  blkdev_ioctl+0x5f8/0xbb8
[  427.166067][T28649]  block_ioctl+0xa4/0x118
[  427.166771][T28649]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.167576][T28649]  invoke_syscall+0x98/0x2b8
[  427.168355][T28649]  el0_svc_common+0x138/0x258
[  427.169105][T28649]  do_el0_svc+0x58/0x14c
[  427.169790][T28649]  el0_svc+0x78/0x1e0
[  427.170408][T28649]  el0t_64_sync_handler+0xcc/0xe4
[  427.171138][T28649]  el0t_64_sync+0x1a0/0x1a4
[  427.172126][T28649] debugfs: out of free dentries, can not create directory 'nbd4'
[  427.173507][T28656] FAULT_INJECTION: forcing a failure.
[  427.173507][T28656] name failslab, interval 1, probability 0, space 0, times 0
[  427.175689][T28656] CPU: 0 PID: 28656 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.177059][T28656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.178086][T28655] FAULT_INJECTION: forcing a failure.
[  427.178086][T28655] name failslab, interval 1, probability 0, space 0, times 0
[  427.178631][T28656] Call trace:
[  427.180999][T28656]  dump_backtrace+0x0/0x43c
[  427.181634][T28656]  show_stack+0x2c/0x3c
[  427.182315][T28656]  __dump_stack+0x30/0x40
[  427.183163][T28656]  dump_stack_lvl+0xf8/0x160
[  427.183993][T28656]  dump_stack+0x1c/0x5c
[  427.184715][T28656]  should_fail+0x3c0/0x51c
[  427.185437][T28656]  __should_failslab+0xbc/0x10c
[  427.186275][T28656]  should_failslab+0x10/0x28
[  427.187026][T28656]  slab_pre_alloc_hook+0x64/0xec
[  427.187803][T28656]  kmem_cache_alloc+0x94/0x3e4
[  427.188662][T28656]  new_inode_pseudo+0x10c/0x1fc
[  427.189446][T28656]  new_inode+0x38/0x174
[  427.190169][T28656]  debugfs_create_dir+0xec/0x3f4
[  427.191007][T28656]  nbd_start_device+0x3c8/0xb40
[  427.191729][T28656]  nbd_ioctl+0x514/0xc50
[  427.192385][T28656]  blkdev_ioctl+0x5f8/0xbb8
[  427.192928][T28648] FAULT_INJECTION: forcing a failure.
[  427.192928][T28648] name failslab, interval 1, probability 0, space 0, times 0
[  427.193141][T28656]  block_ioctl+0xa4/0x118
[  427.195790][T28656]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.196556][T28656]  invoke_syscall+0x98/0x2b8
[  427.197313][T28656]  el0_svc_common+0x138/0x258
[  427.198048][T28656]  do_el0_svc+0x58/0x14c
[  427.198727][T28656]  el0_svc+0x78/0x1e0
[  427.199368][T28656]  el0t_64_sync_handler+0xcc/0xe4
[  427.200208][T28656]  el0t_64_sync+0x1a0/0x1a4
[  427.201003][T28648] CPU: 1 PID: 28648 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.202449][T28648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.204191][T28648] Call trace:
[  427.204746][T28648]  dump_backtrace+0x0/0x43c
[  427.205243][T28649] block nbd4: Failed to create debugfs dir for 'nbd4'
[  427.205477][T28648]  show_stack+0x2c/0x3c
[  427.207162][T28648]  __dump_stack+0x30/0x40
[  427.207854][T28648]  dump_stack_lvl+0xf8/0x160
[  427.208588][T28648]  dump_stack+0x1c/0x5c
[  427.209243][T28648]  should_fail+0x3c0/0x51c
[  427.209938][T28648]  __should_failslab+0xbc/0x10c
[  427.210670][T28648]  should_failslab+0x10/0x28
[  427.211212][T28654] FAULT_INJECTION: forcing a failure.
[  427.211212][T28654] name failslab, interval 1, probability 0, space 0, times 0
[  427.211363][T28648]  slab_pre_alloc_hook+0x64/0xec
[  427.213953][T28648]  __kmalloc_node+0xb8/0x520
[  427.214719][T28648]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  427.215519][T28648]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  427.216398][T28648]  nbd_start_device+0x14c/0xb40
[  427.217125][T28648]  nbd_ioctl+0x514/0xc50
[  427.217724][T28648]  blkdev_ioctl+0x5f8/0xbb8
[  427.218410][T28648]  block_ioctl+0xa4/0x118
[  427.219121][T28648]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.219849][T28648]  invoke_syscall+0x98/0x2b8
[  427.220534][T28648]  el0_svc_common+0x138/0x258
[  427.221287][T28648]  do_el0_svc+0x58/0x14c
[  427.221969][T28648]  el0_svc+0x78/0x1e0
[  427.222575][T28648]  el0t_64_sync_handler+0xcc/0xe4
[  427.223303][T28648]  el0t_64_sync+0x1a0/0x1a4
[  427.230410][T28655] CPU: 1 PID: 28655 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.231759][T28655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.233419][T28655] Call trace:
[  427.233930][T28655]  dump_backtrace+0x0/0x43c
[  427.234573][T28655]  show_stack+0x2c/0x3c
[  427.235206][T28655]  __dump_stack+0x30/0x40
[  427.235873][T28655]  dump_stack_lvl+0xf8/0x160
[  427.236609][T28655]  dump_stack+0x1c/0x5c
[  427.237291][T28655]  should_fail+0x3c0/0x51c
[  427.237994][T28655]  __should_failslab+0xbc/0x10c
[  427.238794][T28655]  should_failslab+0x10/0x28
[  427.239528][T28655]  slab_pre_alloc_hook+0x64/0xec
[  427.240325][T28655]  __kmalloc_node+0xb8/0x520
[  427.241054][T28655]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  427.241916][T28655]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  427.242869][T28655]  nbd_start_device+0x14c/0xb40
[  427.243621][T28655]  nbd_ioctl+0x514/0xc50
[  427.244315][T28655]  blkdev_ioctl+0x5f8/0xbb8
[  427.245127][T28655]  block_ioctl+0xa4/0x118
[  427.245824][T28655]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.246586][T28655]  invoke_syscall+0x98/0x2b8
[  427.247271][T28655]  el0_svc_common+0x138/0x258
[  427.248028][T28655]  do_el0_svc+0x58/0x14c
[  427.248716][T28655]  el0_svc+0x78/0x1e0
[  427.249368][T28655]  el0t_64_sync_handler+0xcc/0xe4
[  427.250194][T28655]  el0t_64_sync+0x1a0/0x1a4
[  427.258155][T28648] Increasing nr_hw_queues to 2 fails, fallback to 1
[  427.258791][T28654] CPU: 1 PID: 28654 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.259483][T28655] Increasing nr_hw_queues to 2 fails, fallback to 1
[  427.260662][T28654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.260675][T28654] Call trace:
[  427.260678][T28654]  dump_backtrace+0x0/0x43c
[  427.260689][T28654]  show_stack+0x2c/0x3c
[  427.260695][T28654]  __dump_stack+0x30/0x40
[  427.265450][T28654]  dump_stack_lvl+0xf8/0x160
[  427.266181][T28654]  dump_stack+0x1c/0x5c
[  427.266824][T28654]  should_fail+0x3c0/0x51c
[  427.267576][T28654]  __should_failslab+0xbc/0x10c
[  427.268355][T28654]  should_failslab+0x10/0x28
[  427.269087][T28654]  slab_pre_alloc_hook+0x64/0xec
[  427.269877][T28654]  __kmalloc_node+0xb8/0x520
[  427.270538][T28654]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  427.271299][T28654]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  427.272162][T28654]  nbd_start_device+0x14c/0xb40
[  427.272874][T28654]  nbd_ioctl+0x514/0xc50
[  427.273503][T28654]  blkdev_ioctl+0x5f8/0xbb8
[  427.274158][T28654]  block_ioctl+0xa4/0x118
[  427.274830][T28654]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.275594][T28654]  invoke_syscall+0x98/0x2b8
[  427.276263][T28654]  el0_svc_common+0x138/0x258
[  427.276948][T28654]  do_el0_svc+0x58/0x14c
[  427.277558][T28654]  el0_svc+0x78/0x1e0
[  427.278174][T28654]  el0t_64_sync_handler+0xcc/0xe4
[  427.278993][T28654]  el0t_64_sync+0x1a0/0x1a4
[  427.285289][T28656] debugfs: out of free dentries, can not create directory 'nbd0'
[  427.286844][T28654] Increasing nr_hw_queues to 2 fails, fallback to 1
[  427.288303][T28656] block nbd0: Failed to create debugfs dir for 'nbd0'
[  427.339686][T28679] block nbd4: shutting down sockets
[  427.356939][T28679] FAULT_INJECTION: forcing a failure.
[  427.356939][T28679] name failslab, interval 1, probability 0, space 0, times 0
[  427.359173][T28679] CPU: 0 PID: 28679 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.360651][T28679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.362294][T28679] Call trace:
[  427.362825][T28679]  dump_backtrace+0x0/0x43c
[  427.363604][T28679]  show_stack+0x2c/0x3c
[  427.364346][T28679]  __dump_stack+0x30/0x40
[  427.365086][T28679]  dump_stack_lvl+0xf8/0x160
[  427.365833][T28679]  dump_stack+0x1c/0x5c
[  427.366493][T28679]  should_fail+0x3c0/0x51c
[  427.367139][T28679]  __should_failslab+0xbc/0x10c
[  427.367954][T28679]  should_failslab+0x10/0x28
[  427.368740][T28679]  slab_pre_alloc_hook+0x64/0xec
[  427.369505][T28679]  kmem_cache_alloc+0x94/0x3e4
[  427.370245][T28679]  new_inode_pseudo+0x10c/0x1fc
[  427.370990][T28679]  new_inode+0x38/0x174
[  427.371600][T28679]  debugfs_create_dir+0xec/0x3f4
[  427.372340][T28679]  nbd_start_device+0x3c8/0xb40
[  427.373061][T28679]  nbd_ioctl+0x514/0xc50
[  427.373707][T28679]  blkdev_ioctl+0x5f8/0xbb8
[  427.374429][T28679]  block_ioctl+0xa4/0x118
[  427.375097][T28679]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.375811][T28679]  invoke_syscall+0x98/0x2b8
[  427.376557][T28679]  el0_svc_common+0x138/0x258
[  427.377282][T28679]  do_el0_svc+0x58/0x14c
[  427.377908][T28679]  el0_svc+0x78/0x1e0
[  427.378504][T28679]  el0t_64_sync_handler+0xcc/0xe4
[  427.379191][T28679]  el0t_64_sync+0x1a0/0x1a4
[  427.381673][T28679] debugfs: out of free dentries, can not create directory 'nbd4'
[  427.383293][T28679] block nbd4: Failed to create debugfs dir for 'nbd4'
[  427.407674][T28682] block nbd3: shutting down sockets
[  427.409486][T28685] FAULT_INJECTION: forcing a failure.
[  427.409486][T28685] name fail_futex, interval 1, probability 0, space 0, times 0
[  427.412266][T28685] CPU: 1 PID: 28685 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.413690][T28685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.415262][T28685] Call trace:
[  427.415770][T28685]  dump_backtrace+0x0/0x43c
[  427.416521][T28685]  show_stack+0x2c/0x3c
[  427.416677][T28687] block nbd0: shutting down sockets
[  427.417166][T28685]  __dump_stack+0x30/0x40
[  427.418696][T28685]  dump_stack_lvl+0xf8/0x160
[  427.419420][T28685]  dump_stack+0x1c/0x5c
[  427.420145][T28685]  should_fail+0x3c0/0x51c
[  427.420850][T28685]  get_futex_key+0x658/0xb90
[  427.421571][T28685]  futex_wake+0xf4/0x4f4
[  427.422231][T28685]  do_futex+0x1684/0x257c
[  427.422944][T28685]  __arm64_sys_futex+0x388/0x400
[  427.423732][T28685]  invoke_syscall+0x98/0x2b8
[  427.424495][T28685]  el0_svc_common+0x138/0x258
[  427.425245][T28685]  do_el0_svc+0x58/0x14c
[  427.425891][T28685]  el0_svc+0x78/0x1e0
[  427.426508][T28685]  el0t_64_sync_handler+0xcc/0xe4
[  427.427349][T28685]  el0t_64_sync+0x1a0/0x1a4
[  427.427415][T28688] block nbd2: shutting down sockets
[  427.455056][T28687] FAULT_INJECTION: forcing a failure.
[  427.455056][T28687] name failslab, interval 1, probability 0, space 0, times 0
[  427.467388][T28687] CPU: 0 PID: 28687 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.468719][T28687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.470163][T28687] Call trace:
[  427.470244][T28682] FAULT_INJECTION: forcing a failure.
[  427.470244][T28682] name failslab, interval 1, probability 0, space 0, times 0
[  427.470635][T28687]  dump_backtrace+0x0/0x43c
[  427.473317][T28687]  show_stack+0x2c/0x3c
[  427.473954][T28687]  __dump_stack+0x30/0x40
[  427.474620][T28687]  dump_stack_lvl+0xf8/0x160
[  427.475281][T28687]  dump_stack+0x1c/0x5c
[  427.475963][T28687]  should_fail+0x3c0/0x51c
[  427.476605][T28695] block nbd4: shutting down sockets
[  427.476655][T28687]  __should_failslab+0xbc/0x10c
[  427.478189][T28687]  should_failslab+0x10/0x28
[  427.478966][T28687]  slab_pre_alloc_hook+0x64/0xec
[  427.479800][T28687]  kmem_cache_alloc+0x94/0x3e4
[  427.480573][T28687]  new_inode_pseudo+0x10c/0x1fc
[  427.481349][T28687]  new_inode+0x38/0x174
[  427.482016][T28687]  debugfs_create_dir+0xec/0x3f4
[  427.482784][T28687]  nbd_start_device+0x3c8/0xb40
[  427.483553][T28687]  nbd_ioctl+0x514/0xc50
[  427.484145][T28687]  blkdev_ioctl+0x5f8/0xbb8
[  427.484820][T28687]  block_ioctl+0xa4/0x118
[  427.485554][T28687]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.486352][T28687]  invoke_syscall+0x98/0x2b8
[  427.487111][T28687]  el0_svc_common+0x138/0x258
[  427.487953][T28687]  do_el0_svc+0x58/0x14c
[  427.488676][T28687]  el0_svc+0x78/0x1e0
[  427.489340][T28687]  el0t_64_sync_handler+0xcc/0xe4
[  427.490124][T28687]  el0t_64_sync+0x1a0/0x1a4
[  427.491354][T28682] CPU: 1 PID: 28682 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.492704][T28682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.494366][T28682] Call trace:
[  427.494861][T28682]  dump_backtrace+0x0/0x43c
[  427.495657][T28682]  show_stack+0x2c/0x3c
[  427.496323][T28682]  __dump_stack+0x30/0x40
[  427.497006][T28682]  dump_stack_lvl+0xf8/0x160
[  427.497735][T28682]  dump_stack+0x1c/0x5c
[  427.498357][T28682]  should_fail+0x3c0/0x51c
[  427.499017][T28682]  __should_failslab+0xbc/0x10c
[  427.499689][T28682]  should_failslab+0x10/0x28
[  427.500346][T28682]  slab_pre_alloc_hook+0x64/0xec
[  427.501058][T28682]  __kmalloc_node+0xb8/0x520
[  427.501793][T28682]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  427.502669][T28682]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  427.503651][T28682]  nbd_start_device+0x14c/0xb40
[  427.503719][T28688] FAULT_INJECTION: forcing a failure.
[  427.503719][T28688] name failslab, interval 1, probability 0, space 0, times 0
[  427.504522][T28682]  nbd_ioctl+0x514/0xc50
[  427.504537][T28682]  blkdev_ioctl+0x5f8/0xbb8
[  427.504545][T28682]  block_ioctl+0xa4/0x118
[  427.508777][T28682]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.509555][T28682]  invoke_syscall+0x98/0x2b8
[  427.510332][T28682]  el0_svc_common+0x138/0x258
[  427.511028][T28682]  do_el0_svc+0x58/0x14c
[  427.511635][T28682]  el0_svc+0x78/0x1e0
[  427.512207][T28682]  el0t_64_sync_handler+0xcc/0xe4
[  427.512923][T28682]  el0t_64_sync+0x1a0/0x1a4
[  427.517368][T28688] CPU: 0 PID: 28688 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.518900][T28688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.520351][T28688] Call trace:
[  427.520870][T28688]  dump_backtrace+0x0/0x43c
[  427.521547][T28688]  show_stack+0x2c/0x3c
[  427.522168][T28688]  __dump_stack+0x30/0x40
[  427.522813][T28688]  dump_stack_lvl+0xf8/0x160
[  427.523557][T28688]  dump_stack+0x1c/0x5c
[  427.524226][T28688]  should_fail+0x3c0/0x51c
[  427.524927][T28688]  __should_failslab+0xbc/0x10c
[  427.525671][T28688]  should_failslab+0x10/0x28
[  427.526441][T28688]  slab_pre_alloc_hook+0x64/0xec
[  427.527232][T28688]  __kmalloc_node+0xb8/0x520
[  427.527606][T28682] Increasing nr_hw_queues to 2 fails, fallback to 1
[  427.527968][T28688]  blk_mq_realloc_hw_ctxs+0xb8/0x133c
[  427.529793][T28688]  blk_mq_update_nr_hw_queues+0x62c/0xbfc
[  427.530692][T28688]  nbd_start_device+0x14c/0xb40
[  427.531457][T28688]  nbd_ioctl+0x514/0xc50
[  427.532175][T28688]  blkdev_ioctl+0x5f8/0xbb8
[  427.532896][T28688]  block_ioctl+0xa4/0x118
[  427.533537][T28688]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.534358][T28688]  invoke_syscall+0x98/0x2b8
[  427.535124][T28688]  el0_svc_common+0x138/0x258
[  427.535963][T28688]  do_el0_svc+0x58/0x14c
[  427.536651][T28688]  el0_svc+0x78/0x1e0
[  427.537350][T28688]  el0t_64_sync_handler+0xcc/0xe4
[  427.538168][T28688]  el0t_64_sync+0x1a0/0x1a4
[  427.540755][T28687] debugfs: out of free dentries, can not create directory 'nbd0'
[  427.561376][T28706] FAULT_INJECTION: forcing a failure.
[  427.561376][T28706] name failslab, interval 1, probability 0, space 0, times 0
[  427.563512][T28706] CPU: 0 PID: 28706 Comm: syz-executor114 Tainted: G        W         syzkaller #0
[  427.565203][T28706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
[  427.566916][T28706] Call trace:
[  427.567440][T28706]  dump_backtrace+0x0/0x43c
[  427.568157][T28706]  show_stack+0x2c/0x3c
[  427.568812][T28706]  __dump_stack+0x30/0x40
[  427.569489][T28706]  dump_stack_lvl+0xf8/0x160
[  427.570237][T28706]  dump_stack+0x1c/0x5c
[  427.570960][T28706]  should_fail+0x3c0/0x51c
[  427.571689][T28706]  __should_failslab+0xbc/0x10c
[  427.572494][T28706]  should_failslab+0x10/0x28
[  427.573244][T28706]  slab_pre_alloc_hook+0x64/0xec
[  427.574067][T28706]  kmem_cache_alloc+0x94/0x3e4
[  427.574766][T28706]  new_inode_pseudo+0x10c/0x1fc
[  427.575573][T28706]  new_inode+0x38/0x174
[  427.576253][T28706]  debugfs_create_dir+0xec/0x3f4
[  427.577045][T28706]  nbd_start_device+0x3c8/0xb40
[  427.577805][T28706]  nbd_ioctl+0x514/0xc50
[  427.578507][T28706]  blkdev_ioctl+0x5f8/0xbb8
[  427.579235][T28706]  block_ioctl+0xa4/0x118
[  427.580017][T28706]  __arm64_sys_ioctl+0x14c/0x1c8
[  427.580847][T28706]  invoke_syscall+0x98/0x2b8
[  427.581617][T28706]  el0_svc_common+0x138/0x258
[  427.582376][T28706]  do_el0_svc+0x58/0x14c
[  427.583101][T28706]  el0_svc+0x78/0x1e0