00.561573][ T8104] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  600.561586][ T8104] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  600.561598][ T8104] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  600.561611][ T8104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  600.561623][ T8104] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  600.561653][ T8104]  </TASK>
[  600.729467][ T8104] block nbd0: shutting down sockets
[  600.900440][ T8106] FAULT_INJECTION: forcing a failure.
[  600.900440][ T8106] name failslab, interval 1, probability 0, space 0, times 0
[  600.900476][ T8106] CPU: 1 UID: 0 PID: 8106 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  600.900498][ T8106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  600.900509][ T8106] Call Trace:
[  600.900517][ T8106]  <TASK>
[  600.900525][ T8106]  dump_stack_lvl+0x189/0x250
[  600.900555][ T8106]  ? __pfx____ratelimit+0x10/0x10
[  600.900581][ T8106]  ? __pfx_dump_stack_lvl+0x10/0x10
[  600.900605][ T8106]  ? __pfx__printk+0x10/0x10
[  600.900631][ T8106]  ? __pfx___might_resched+0x10/0x10
[  600.900650][ T8106]  ? fs_reclaim_acquire+0x7d/0x100
[  600.900671][ T8106]  should_fail_ex+0x46c/0x600
[  600.900702][ T8106]  should_failslab+0xa8/0x100
[  600.900727][ T8106]  __kvmalloc_node_noprof+0x15a/0x550
[  600.900750][ T8106]  ? sbitmap_init_node+0x2c9/0x630
[  600.900775][ T8106]  sbitmap_init_node+0x2c9/0x630
[  600.900804][ T8106]  sbitmap_queue_init_node+0x3e/0x4d0
[  600.900827][ T8106]  blk_mq_init_tags+0x11e/0x270
[  600.900856][ T8106]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  600.900893][ T8106]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  600.900921][ T8106]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  600.900950][ T8106]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  600.900970][ T8106]  ? __kasan_slab_free+0x5b/0x80
[  600.900989][ T8106]  ? kfree+0x195/0x550
[  600.901028][ T8106]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  600.901065][ T8106]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  600.901090][ T8106]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  600.901145][ T8106]  ? nbd_start_device+0x174/0xb20
[  600.901175][ T8106]  nbd_start_device+0x17f/0xb20
[  600.901204][ T8106]  ? nbd_ioctl+0x131/0xec0
[  600.901235][ T8106]  nbd_ioctl+0x637/0xec0
[  600.901265][ T8106]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.901287][ T8106]  ? __asan_memset+0x22/0x50
[  600.901306][ T8106]  ? smack_file_ioctl+0x24d/0x340
[  600.901329][ T8106]  ? __pfx_smack_file_ioctl+0x10/0x10
[  600.901351][ T8106]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.901377][ T8106]  blkdev_ioctl+0x5a8/0x6d0
[  600.901397][ T8106]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.901412][ T8106]  ? __fget_files+0x2a/0x420
[  600.901438][ T8106]  ? bpf_lsm_file_ioctl+0x9/0x20
[  600.901458][ T8106]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.901478][ T8106]  __se_sys_ioctl+0xff/0x170
[  600.901501][ T8106]  do_syscall_64+0xfa/0x3b0
[  600.901517][ T8106]  ? lockdep_hardirqs_on+0x9c/0x150
[  600.901540][ T8106]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.901558][ T8106]  ? clear_bhb_loop+0x60/0xb0
[  600.901580][ T8106]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.901598][ T8106] RIP: 0033:0x7f4960b68569
[  600.901614][ T8106] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  600.901631][ T8106] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.901650][ T8106] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  600.901664][ T8106] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  600.901676][ T8106] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  600.901688][ T8106] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  600.901700][ T8106] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  600.901731][ T8106]  </TASK>
[  601.068700][ T8106] block nbd0: shutting down sockets
[  601.230388][ T8108] FAULT_INJECTION: forcing a failure.
[  601.230388][ T8108] name failslab, interval 1, probability 0, space 0, times 0
[  601.230420][ T8108] CPU: 1 UID: 0 PID: 8108 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  601.230442][ T8108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  601.230453][ T8108] Call Trace:
[  601.230460][ T8108]  <TASK>
[  601.230469][ T8108]  dump_stack_lvl+0x189/0x250
[  601.230498][ T8108]  ? __pfx____ratelimit+0x10/0x10
[  601.230524][ T8108]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.230549][ T8108]  ? __pfx__printk+0x10/0x10
[  601.230572][ T8108]  ? __pfx___might_resched+0x10/0x10
[  601.230591][ T8108]  ? fs_reclaim_acquire+0x7d/0x100
[  601.230613][ T8108]  should_fail_ex+0x46c/0x600
[  601.230643][ T8108]  should_failslab+0xa8/0x100
[  601.230672][ T8108]  __kmalloc_cache_node_noprof+0x78/0x340
[  601.230696][ T8108]  ? blk_mq_init_tags+0x83/0x270
[  601.230726][ T8108]  blk_mq_init_tags+0x83/0x270
[  601.230754][ T8108]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  601.230792][ T8108]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  601.230820][ T8108]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  601.230849][ T8108]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  601.230869][ T8108]  ? __kasan_slab_free+0x5b/0x80
[  601.230888][ T8108]  ? kfree+0x195/0x550
[  601.230927][ T8108]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  601.230964][ T8108]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  601.230989][ T8108]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  601.231039][ T8108]  ? nbd_start_device+0x174/0xb20
[  601.231074][ T8108]  nbd_start_device+0x17f/0xb20
[  601.231104][ T8108]  ? nbd_ioctl+0x131/0xec0
[  601.231131][ T8108]  nbd_ioctl+0x637/0xec0
[  601.231160][ T8108]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.231181][ T8108]  ? __asan_memset+0x22/0x50
[  601.231201][ T8108]  ? smack_file_ioctl+0x24d/0x340
[  601.231223][ T8108]  ? __pfx_smack_file_ioctl+0x10/0x10
[  601.231246][ T8108]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.231271][ T8108]  blkdev_ioctl+0x5a8/0x6d0
[  601.231294][ T8108]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.231312][ T8108]  ? __fget_files+0x2a/0x420
[  601.231340][ T8108]  ? bpf_lsm_file_ioctl+0x9/0x20
[  601.231361][ T8108]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.231381][ T8108]  __se_sys_ioctl+0xff/0x170
[  601.231404][ T8108]  do_syscall_64+0xfa/0x3b0
[  601.231420][ T8108]  ? lockdep_hardirqs_on+0x9c/0x150
[  601.231443][ T8108]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.231461][ T8108]  ? clear_bhb_loop+0x60/0xb0
[  601.231483][ T8108]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.231501][ T8108] RIP: 0033:0x7f4960b68569
[  601.231517][ T8108] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  601.231533][ T8108] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.231553][ T8108] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  601.231566][ T8108] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.231578][ T8108] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  601.231591][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  601.231603][ T8108] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.231634][ T8108]  </TASK>
[  601.397557][ T8108] block nbd0: shutting down sockets
[  601.571458][ T8110] FAULT_INJECTION: forcing a failure.
[  601.571458][ T8110] name failslab, interval 1, probability 0, space 0, times 0
[  601.571492][ T8110] CPU: 1 UID: 0 PID: 8110 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  601.571513][ T8110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  601.571524][ T8110] Call Trace:
[  601.571532][ T8110]  <TASK>
[  601.571540][ T8110]  dump_stack_lvl+0x189/0x250
[  601.571570][ T8110]  ? __pfx____ratelimit+0x10/0x10
[  601.571595][ T8110]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.571619][ T8110]  ? __pfx__printk+0x10/0x10
[  601.571645][ T8110]  ? __pfx___might_resched+0x10/0x10
[  601.571663][ T8110]  ? fs_reclaim_acquire+0x7d/0x100
[  601.571685][ T8110]  should_fail_ex+0x46c/0x600
[  601.571715][ T8110]  should_failslab+0xa8/0x100
[  601.571737][ T8110]  __kvmalloc_node_noprof+0x15a/0x550
[  601.571764][ T8110]  ? sbitmap_init_node+0x2c9/0x630
[  601.571789][ T8110]  sbitmap_init_node+0x2c9/0x630
[  601.571818][ T8110]  sbitmap_queue_init_node+0x3e/0x4d0
[  601.571853][ T8110]  blk_mq_init_tags+0x11e/0x270
[  601.571882][ T8110]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  601.571920][ T8110]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  601.571949][ T8110]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  601.571977][ T8110]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  601.571997][ T8110]  ? __kasan_slab_free+0x5b/0x80
[  601.572016][ T8110]  ? kfree+0x195/0x550
[  601.572055][ T8110]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  601.572091][ T8110]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  601.572117][ T8110]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  601.572164][ T8110]  ? nbd_start_device+0x174/0xb20
[  601.572195][ T8110]  nbd_start_device+0x17f/0xb20
[  601.572224][ T8110]  ? nbd_ioctl+0x131/0xec0
[  601.572251][ T8110]  nbd_ioctl+0x637/0xec0
[  601.572281][ T8110]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.572303][ T8110]  ? __asan_memset+0x22/0x50
[  601.572322][ T8110]  ? smack_file_ioctl+0x24d/0x340
[  601.572345][ T8110]  ? __pfx_smack_file_ioctl+0x10/0x10
[  601.572366][ T8110]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.572392][ T8110]  blkdev_ioctl+0x5a8/0x6d0
[  601.572415][ T8110]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.572432][ T8110]  ? __fget_files+0x2a/0x420
[  601.572460][ T8110]  ? bpf_lsm_file_ioctl+0x9/0x20
[  601.572481][ T8110]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.572501][ T8110]  __se_sys_ioctl+0xff/0x170
[  601.572523][ T8110]  do_syscall_64+0xfa/0x3b0
[  601.572539][ T8110]  ? lockdep_hardirqs_on+0x9c/0x150
[  601.572563][ T8110]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.572581][ T8110]  ? clear_bhb_loop+0x60/0xb0
[  601.572604][ T8110]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.572621][ T8110] RIP: 0033:0x7f4960b68569
[  601.572637][ T8110] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  601.572653][ T8110] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.572673][ T8110] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  601.572687][ T8110] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.572699][ T8110] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  601.572711][ T8110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  601.572723][ T8110] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.572753][ T8110]  </TASK>
[  601.736630][ T8110] block nbd0: shutting down sockets
[  601.910286][ T8112] FAULT_INJECTION: forcing a failure.
[  601.910286][ T8112] name failslab, interval 1, probability 0, space 0, times 0
[  601.910318][ T8112] CPU: 1 UID: 0 PID: 8112 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  601.910340][ T8112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  601.910352][ T8112] Call Trace:
[  601.910359][ T8112]  <TASK>
[  601.910368][ T8112]  dump_stack_lvl+0x189/0x250
[  601.910398][ T8112]  ? __pfx____ratelimit+0x10/0x10
[  601.910424][ T8112]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.910448][ T8112]  ? __pfx__printk+0x10/0x10
[  601.910474][ T8112]  ? __pfx___might_resched+0x10/0x10
[  601.910492][ T8112]  ? fs_reclaim_acquire+0x7d/0x100
[  601.910514][ T8112]  should_fail_ex+0x46c/0x600
[  601.910544][ T8112]  should_failslab+0xa8/0x100
[  601.910570][ T8112]  __kvmalloc_node_noprof+0x15a/0x550
[  601.910592][ T8112]  ? sbitmap_init_node+0x2c9/0x630
[  601.910617][ T8112]  sbitmap_init_node+0x2c9/0x630
[  601.910646][ T8112]  sbitmap_queue_init_node+0x3e/0x4d0
[  601.910670][ T8112]  blk_mq_init_tags+0x11e/0x270
[  601.910698][ T8112]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  601.910737][ T8112]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  601.910766][ T8112]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  601.910794][ T8112]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  601.910815][ T8112]  ? __kasan_slab_free+0x5b/0x80
[  601.910834][ T8112]  ? kfree+0x195/0x550
[  601.910873][ T8112]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  601.910909][ T8112]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  601.910935][ T8112]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  601.910984][ T8112]  ? nbd_start_device+0x174/0xb20
[  601.911016][ T8112]  nbd_start_device+0x17f/0xb20
[  601.911044][ T8112]  ? nbd_ioctl+0x131/0xec0
[  601.911079][ T8112]  nbd_ioctl+0x637/0xec0
[  601.911109][ T8112]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.911130][ T8112]  ? __asan_memset+0x22/0x50
[  601.911149][ T8112]  ? smack_file_ioctl+0x24d/0x340
[  601.911172][ T8112]  ? __pfx_smack_file_ioctl+0x10/0x10
[  601.911194][ T8112]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.911220][ T8112]  blkdev_ioctl+0x5a8/0x6d0
[  601.911243][ T8112]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.911260][ T8112]  ? __fget_files+0x2a/0x420
[  601.911288][ T8112]  ? bpf_lsm_file_ioctl+0x9/0x20
[  601.911308][ T8112]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.911328][ T8112]  __se_sys_ioctl+0xff/0x170
[  601.911351][ T8112]  do_syscall_64+0xfa/0x3b0
[  601.911367][ T8112]  ? lockdep_hardirqs_on+0x9c/0x150
[  601.911397][ T8112]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.911416][ T8112]  ? clear_bhb_loop+0x60/0xb0
[  601.911438][ T8112]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.911456][ T8112] RIP: 0033:0x7f4960b68569
[  601.911472][ T8112] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  601.911487][ T8112] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.911507][ T8112] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  601.911521][ T8112] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.911533][ T8112] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  601.911546][ T8112] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  601.911558][ T8112] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.911588][ T8112]  </TASK>
[  602.076112][ T8112] block nbd0: shutting down sockets
[  602.439592][ T8114] block nbd0: shutting down sockets
[  602.638979][ T8117] block nbd0: Device being setup by another task
[  602.869233][ T8116] block nbd0: shutting down sockets
[  603.030046][ T8119] FAULT_INJECTION: forcing a failure.
[  603.030046][ T8119] name failslab, interval 1, probability 0, space 0, times 0
[  603.030072][ T8119] CPU: 1 UID: 0 PID: 8119 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  603.030086][ T8119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  603.030092][ T8119] Call Trace:
[  603.030097][ T8119]  <TASK>
[  603.030102][ T8119]  dump_stack_lvl+0x189/0x250
[  603.030121][ T8119]  ? __pfx____ratelimit+0x10/0x10
[  603.030136][ T8119]  ? __pfx_dump_stack_lvl+0x10/0x10
[  603.030150][ T8119]  ? __pfx__printk+0x10/0x10
[  603.030164][ T8119]  ? __pfx___might_resched+0x10/0x10
[  603.030174][ T8119]  ? fs_reclaim_acquire+0x7d/0x100
[  603.030187][ T8119]  should_fail_ex+0x46c/0x600
[  603.030204][ T8119]  should_failslab+0xa8/0x100
[  603.030219][ T8119]  __kmalloc_cache_node_noprof+0x78/0x340
[  603.030232][ T8119]  ? blk_mq_init_tags+0x83/0x270
[  603.030249][ T8119]  blk_mq_init_tags+0x83/0x270
[  603.030264][ T8119]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  603.030285][ T8119]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  603.030301][ T8119]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  603.030316][ T8119]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  603.030328][ T8119]  ? __kasan_slab_free+0x5b/0x80
[  603.030339][ T8119]  ? kfree+0x195/0x550
[  603.030360][ T8119]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  603.030380][ T8119]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  603.030398][ T8119]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  603.030424][ T8119]  ? nbd_start_device+0x174/0xb20
[  603.030441][ T8119]  nbd_start_device+0x17f/0xb20
[  603.030457][ T8119]  ? nbd_ioctl+0x131/0xec0
[  603.030472][ T8119]  nbd_ioctl+0x637/0xec0
[  603.030488][ T8119]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.030500][ T8119]  ? __asan_memset+0x22/0x50
[  603.030510][ T8119]  ? smack_file_ioctl+0x24d/0x340
[  603.030523][ T8119]  ? __pfx_smack_file_ioctl+0x10/0x10
[  603.030535][ T8119]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.030550][ T8119]  blkdev_ioctl+0x5a8/0x6d0
[  603.030562][ T8119]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.030576][ T8119]  ? __fget_files+0x2a/0x420
[  603.030605][ T8119]  ? bpf_lsm_file_ioctl+0x9/0x20
[  603.030624][ T8119]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.030644][ T8119]  __se_sys_ioctl+0xff/0x170
[  603.030666][ T8119]  do_syscall_64+0xfa/0x3b0
[  603.030682][ T8119]  ? lockdep_hardirqs_on+0x9c/0x150
[  603.030713][ T8119]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.030725][ T8119]  ? clear_bhb_loop+0x60/0xb0
[  603.030738][ T8119]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.030748][ T8119] RIP: 0033:0x7f4960b68569
[  603.030758][ T8119] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  603.030768][ T8119] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.030780][ T8119] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  603.030787][ T8119] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  603.030794][ T8119] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  603.030801][ T8119] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  603.030807][ T8119] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  603.030824][ T8119]  </TASK>
[  603.198839][ T8119] block nbd0: shutting down sockets
[  603.370130][ T8121] FAULT_INJECTION: forcing a failure.
[  603.370130][ T8121] name failslab, interval 1, probability 0, space 0, times 0
[  603.370152][ T8121] CPU: 1 UID: 0 PID: 8121 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  603.370165][ T8121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  603.370172][ T8121] Call Trace:
[  603.370176][ T8121]  <TASK>
[  603.370181][ T8121]  dump_stack_lvl+0x189/0x250
[  603.370201][ T8121]  ? __pfx____ratelimit+0x10/0x10
[  603.370216][ T8121]  ? __pfx_dump_stack_lvl+0x10/0x10
[  603.370229][ T8121]  ? __pfx__printk+0x10/0x10
[  603.370243][ T8121]  ? __pfx___might_resched+0x10/0x10
[  603.370255][ T8121]  ? fs_reclaim_acquire+0x7d/0x100
[  603.370267][ T8121]  should_fail_ex+0x46c/0x600
[  603.370284][ T8121]  should_failslab+0xa8/0x100
[  603.370299][ T8121]  __kvmalloc_node_noprof+0x15a/0x550
[  603.370311][ T8121]  ? sbitmap_init_node+0x2c9/0x630
[  603.370325][ T8121]  sbitmap_init_node+0x2c9/0x630
[  603.370341][ T8121]  sbitmap_queue_init_node+0x3e/0x4d0
[  603.370354][ T8121]  blk_mq_init_tags+0x11e/0x270
[  603.370370][ T8121]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  603.370391][ T8121]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  603.370407][ T8121]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  603.370422][ T8121]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  603.370434][ T8121]  ? __kasan_slab_free+0x5b/0x80
[  603.370445][ T8121]  ? kfree+0x195/0x550
[  603.370465][ T8121]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  603.370485][ T8121]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  603.370500][ T8121]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  603.370526][ T8121]  ? nbd_start_device+0x174/0xb20
[  603.370543][ T8121]  nbd_start_device+0x17f/0xb20
[  603.370559][ T8121]  ? nbd_ioctl+0x131/0xec0
[  603.370579][ T8121]  nbd_ioctl+0x637/0xec0
[  603.370605][ T8121]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.370626][ T8121]  ? __asan_memset+0x22/0x50
[  603.370644][ T8121]  ? smack_file_ioctl+0x24d/0x340
[  603.370666][ T8121]  ? __pfx_smack_file_ioctl+0x10/0x10
[  603.370687][ T8121]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.370722][ T8121]  blkdev_ioctl+0x5a8/0x6d0
[  603.370743][ T8121]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.370753][ T8121]  ? __fget_files+0x2a/0x420
[  603.370769][ T8121]  ? bpf_lsm_file_ioctl+0x9/0x20
[  603.370781][ T8121]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.370792][ T8121]  __se_sys_ioctl+0xff/0x170
[  603.370806][ T8121]  do_syscall_64+0xfa/0x3b0
[  603.370820][ T8121]  ? lockdep_hardirqs_on+0x9c/0x150
[  603.370834][ T8121]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.370845][ T8121]  ? clear_bhb_loop+0x60/0xb0
[  603.370857][ T8121]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.370867][ T8121] RIP: 0033:0x7f4960b68569
[  603.370877][ T8121] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  603.370886][ T8121] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.370899][ T8121] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  603.370907][ T8121] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  603.370913][ T8121] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  603.370920][ T8121] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  603.370927][ T8121] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  603.370943][ T8121]  </TASK>
[  603.537576][ T8121] block nbd0: shutting down sockets
[  603.700425][ T8123] FAULT_INJECTION: forcing a failure.
[  603.700425][ T8123] name failslab, interval 1, probability 0, space 0, times 0
[  603.700458][ T8123] CPU: 1 UID: 0 PID: 8123 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  603.700479][ T8123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  603.700491][ T8123] Call Trace:
[  603.700498][ T8123]  <TASK>
[  603.700506][ T8123]  dump_stack_lvl+0x189/0x250
[  603.700544][ T8123]  ? __pfx____ratelimit+0x10/0x10
[  603.700571][ T8123]  ? __pfx_dump_stack_lvl+0x10/0x10
[  603.700595][ T8123]  ? __pfx__printk+0x10/0x10
[  603.700620][ T8123]  ? __pfx___might_resched+0x10/0x10
[  603.700639][ T8123]  ? fs_reclaim_acquire+0x7d/0x100
[  603.700661][ T8123]  should_fail_ex+0x46c/0x600
[  603.700691][ T8123]  should_failslab+0xa8/0x100
[  603.700717][ T8123]  __kvmalloc_node_noprof+0x15a/0x550
[  603.700740][ T8123]  ? sbitmap_init_node+0x2c9/0x630
[  603.700765][ T8123]  sbitmap_init_node+0x2c9/0x630
[  603.700792][ T8123]  sbitmap_queue_init_node+0x3e/0x4d0
[  603.700821][ T8123]  blk_mq_init_tags+0x11e/0x270
[  603.700855][ T8123]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  603.700894][ T8123]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  603.700923][ T8123]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  603.700951][ T8123]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  603.700972][ T8123]  ? __kasan_slab_free+0x5b/0x80
[  603.700991][ T8123]  ? kfree+0x195/0x550
[  603.701031][ T8123]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  603.701067][ T8123]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  603.701093][ T8123]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  603.701142][ T8123]  ? nbd_start_device+0x174/0xb20
[  603.701173][ T8123]  nbd_start_device+0x17f/0xb20
[  603.701202][ T8123]  ? nbd_ioctl+0x131/0xec0
[  603.701229][ T8123]  nbd_ioctl+0x637/0xec0
[  603.701259][ T8123]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.701281][ T8123]  ? __asan_memset+0x22/0x50
[  603.701299][ T8123]  ? smack_file_ioctl+0x24d/0x340
[  603.701322][ T8123]  ? __pfx_smack_file_ioctl+0x10/0x10
[  603.701343][ T8123]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.701368][ T8123]  blkdev_ioctl+0x5a8/0x6d0
[  603.701390][ T8123]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.701409][ T8123]  ? __fget_files+0x2a/0x420
[  603.701437][ T8123]  ? bpf_lsm_file_ioctl+0x9/0x20
[  603.701456][ T8123]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.701476][ T8123]  __se_sys_ioctl+0xff/0x170
[  603.701500][ T8123]  do_syscall_64+0xfa/0x3b0
[  603.701515][ T8123]  ? lockdep_hardirqs_on+0x9c/0x150
[  603.701539][ T8123]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.701556][ T8123]  ? clear_bhb_loop+0x60/0xb0
[  603.701578][ T8123]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.701596][ T8123] RIP: 0033:0x7f4960b68569
[  603.701612][ T8123] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  603.701628][ T8123] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.701648][ T8123] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  603.701661][ T8123] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  603.701672][ T8123] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  603.701685][ T8123] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  603.701697][ T8123] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  603.701727][ T8123]  </TASK>
[  603.867704][ T8123] block nbd0: shutting down sockets
[  604.041488][ T8125] FAULT_INJECTION: forcing a failure.
[  604.041488][ T8125] name failslab, interval 1, probability 0, space 0, times 0
[  604.041521][ T8125] CPU: 1 UID: 0 PID: 8125 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  604.041542][ T8125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  604.041553][ T8125] Call Trace:
[  604.041561][ T8125]  <TASK>
[  604.041570][ T8125]  dump_stack_lvl+0x189/0x250
[  604.041600][ T8125]  ? __pfx____ratelimit+0x10/0x10
[  604.041624][ T8125]  ? __pfx_dump_stack_lvl+0x10/0x10
[  604.041649][ T8125]  ? __pfx__printk+0x10/0x10
[  604.041675][ T8125]  ? __pfx___might_resched+0x10/0x10
[  604.041693][ T8125]  ? fs_reclaim_acquire+0x7d/0x100
[  604.041716][ T8125]  should_fail_ex+0x46c/0x600
[  604.041752][ T8125]  should_failslab+0xa8/0x100
[  604.041777][ T8125]  __kvmalloc_node_noprof+0x15a/0x550
[  604.041799][ T8125]  ? sbitmap_init_node+0x2c9/0x630
[  604.041825][ T8125]  sbitmap_init_node+0x2c9/0x630
[  604.041853][ T8125]  sbitmap_queue_init_node+0x3e/0x4d0
[  604.041883][ T8125]  blk_mq_init_tags+0x11e/0x270
[  604.041912][ T8125]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  604.041950][ T8125]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  604.041979][ T8125]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  604.042007][ T8125]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  604.042032][ T8125]  ? __kasan_slab_free+0x5b/0x80
[  604.042051][ T8125]  ? kfree+0x195/0x550
[  604.042090][ T8125]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  604.042126][ T8125]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  604.042152][ T8125]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  604.042201][ T8125]  ? nbd_start_device+0x174/0xb20
[  604.042231][ T8125]  nbd_start_device+0x17f/0xb20
[  604.042260][ T8125]  ? nbd_ioctl+0x131/0xec0
[  604.042288][ T8125]  nbd_ioctl+0x637/0xec0
[  604.042318][ T8125]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.042340][ T8125]  ? __asan_memset+0x22/0x50
[  604.042359][ T8125]  ? smack_file_ioctl+0x24d/0x340
[  604.042383][ T8125]  ? __pfx_smack_file_ioctl+0x10/0x10
[  604.042405][ T8125]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.042436][ T8125]  blkdev_ioctl+0x5a8/0x6d0
[  604.042459][ T8125]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.042477][ T8125]  ? __fget_files+0x2a/0x420
[  604.042505][ T8125]  ? bpf_lsm_file_ioctl+0x9/0x20
[  604.042524][ T8125]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.042544][ T8125]  __se_sys_ioctl+0xff/0x170
[  604.042568][ T8125]  do_syscall_64+0xfa/0x3b0
[  604.042584][ T8125]  ? lockdep_hardirqs_on+0x9c/0x150
[  604.042607][ T8125]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.042678][ T8125]  ? clear_bhb_loop+0x60/0xb0
[  604.042704][ T8125]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.042717][ T8125] RIP: 0033:0x7f4960b68569
[  604.042728][ T8125] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  604.042737][ T8125] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  604.042750][ T8125] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  604.042759][ T8125] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  604.042768][ T8125] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  604.042780][ T8125] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  604.042790][ T8125] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  604.042816][ T8125]  </TASK>
[  604.206515][ T8125] block nbd0: shutting down sockets
[  604.370669][ T8127] FAULT_INJECTION: forcing a failure.
[  604.370669][ T8127] name failslab, interval 1, probability 0, space 0, times 0
[  604.370702][ T8127] CPU: 1 UID: 0 PID: 8127 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  604.370724][ T8127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  604.370735][ T8127] Call Trace:
[  604.370743][ T8127]  <TASK>
[  604.370751][ T8127]  dump_stack_lvl+0x189/0x250
[  604.370779][ T8127]  ? __pfx____ratelimit+0x10/0x10
[  604.370805][ T8127]  ? __pfx_dump_stack_lvl+0x10/0x10
[  604.370828][ T8127]  ? __pfx__printk+0x10/0x10
[  604.370853][ T8127]  ? __pfx___might_resched+0x10/0x10
[  604.370872][ T8127]  ? fs_reclaim_acquire+0x7d/0x100
[  604.370895][ T8127]  should_fail_ex+0x46c/0x600
[  604.370925][ T8127]  should_failslab+0xa8/0x100
[  604.370950][ T8127]  __kvmalloc_node_noprof+0x15a/0x550
[  604.370973][ T8127]  ? sbitmap_init_node+0x2c9/0x630
[  604.370999][ T8127]  sbitmap_init_node+0x2c9/0x630
[  604.371027][ T8127]  sbitmap_queue_init_node+0x3e/0x4d0
[  604.371050][ T8127]  blk_mq_init_tags+0x11e/0x270
[  604.371079][ T8127]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  604.371117][ T8127]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  604.371146][ T8127]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  604.371174][ T8127]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  604.371195][ T8127]  ? __kasan_slab_free+0x5b/0x80
[  604.371215][ T8127]  ? kfree+0x195/0x550
[  604.371253][ T8127]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  604.371290][ T8127]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  604.371316][ T8127]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  604.371364][ T8127]  ? nbd_start_device+0x174/0xb20
[  604.371395][ T8127]  nbd_start_device+0x17f/0xb20
[  604.371432][ T8127]  ? nbd_ioctl+0x131/0xec0
[  604.371463][ T8127]  nbd_ioctl+0x637/0xec0
[  604.371493][ T8127]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.371515][ T8127]  ? __asan_memset+0x22/0x50
[  604.371533][ T8127]  ? smack_file_ioctl+0x24d/0x340
[  604.371556][ T8127]  ? __pfx_smack_file_ioctl+0x10/0x10
[  604.371583][ T8127]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.371609][ T8127]  blkdev_ioctl+0x5a8/0x6d0
[  604.371632][ T8127]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.371650][ T8127]  ? __fget_files+0x2a/0x420
[  604.371677][ T8127]  ? bpf_lsm_file_ioctl+0x9/0x20
[  604.371698][ T8127]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.371717][ T8127]  __se_sys_ioctl+0xff/0x170
[  604.371739][ T8127]  do_syscall_64+0xfa/0x3b0
[  604.371754][ T8127]  ? lockdep_hardirqs_on+0x9c/0x150
[  604.371778][ T8127]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.371796][ T8127]  ? clear_bhb_loop+0x60/0xb0
[  604.371818][ T8127]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.371835][ T8127] RIP: 0033:0x7f4960b68569
[  604.371851][ T8127] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  604.371867][ T8127] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  604.371887][ T8127] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  604.371901][ T8127] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  604.371912][ T8127] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  604.371925][ T8127] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  604.371937][ T8127] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  604.371967][ T8127]  </TASK>
[  604.541716][ T8127] block nbd0: shutting down sockets
[  604.909247][ T8129] block nbd0: shutting down sockets
[  605.079899][ T8131] FAULT_INJECTION: forcing a failure.
[  605.079899][ T8131] name failslab, interval 1, probability 0, space 0, times 0
[  605.079922][ T8131] CPU: 1 UID: 0 PID: 8131 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  605.079936][ T8131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  605.079943][ T8131] Call Trace:
[  605.079947][ T8131]  <TASK>
[  605.079952][ T8131]  dump_stack_lvl+0x189/0x250
[  605.079971][ T8131]  ? __pfx____ratelimit+0x10/0x10
[  605.079987][ T8131]  ? __pfx_dump_stack_lvl+0x10/0x10
[  605.080000][ T8131]  ? __pfx__printk+0x10/0x10
[  605.080015][ T8131]  ? __pfx___might_resched+0x10/0x10
[  605.080026][ T8131]  ? fs_reclaim_acquire+0x7d/0x100
[  605.080039][ T8131]  should_fail_ex+0x46c/0x600
[  605.080055][ T8131]  ? __d_alloc+0x36/0x7b0
[  605.080064][ T8131]  should_failslab+0xa8/0x100
[  605.080078][ T8131]  ? __d_alloc+0x36/0x7b0
[  605.080086][ T8131]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  605.080103][ T8131]  __d_alloc+0x36/0x7b0
[  605.080115][ T8131]  d_alloc_parallel+0xe5/0x1600
[  605.080131][ T8131]  ? rtlock_slowlock_locked+0xd8/0x4010
[  605.080149][ T8131]  ? __pfx_d_alloc_parallel+0x10/0x10
[  605.080163][ T8131]  ? __rt_spin_lock_init+0x3e/0x50
[  605.080175][ T8131]  ? __init_waitqueue_head+0xae/0x160
[  605.080190][ T8131]  __lookup_slow+0x11c/0x3d0
[  605.080203][ T8131]  ? __pfx___lookup_slow+0x10/0x10
[  605.080221][ T8131]  ? lookup_noperm_common+0x241/0x430
[  605.080234][ T8131]  ? d_lookup+0xaa/0xc0
[  605.080243][ T8131]  ? lookup_noperm+0x111/0x240
[  605.080255][ T8131]  simple_start_creating+0xfd/0x1e0
[  605.080271][ T8131]  ? __pfx_simple_start_creating+0x10/0x10
[  605.080285][ T8131]  ? mntput+0x65/0xc0
[  605.080299][ T8131]  start_creating+0x10f/0x180
[  605.080315][ T8131]  __debugfs_create_file+0x79/0x4f0
[  605.080331][ T8131]  debugfs_create_file_unsafe+0x3a/0x50
[  605.080346][ T8131]  nbd_start_device+0x3b8/0xb20
[  605.080363][ T8131]  ? nbd_ioctl+0x131/0xec0
[  605.080378][ T8131]  nbd_ioctl+0x637/0xec0
[  605.080394][ T8131]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.080406][ T8131]  ? __asan_memset+0x22/0x50
[  605.080417][ T8131]  ? smack_file_ioctl+0x24d/0x340
[  605.080431][ T8131]  ? __pfx_smack_file_ioctl+0x10/0x10
[  605.080442][ T8131]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.080457][ T8131]  blkdev_ioctl+0x5a8/0x6d0
[  605.080470][ T8131]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.080480][ T8131]  ? __fget_files+0x2a/0x420
[  605.080525][ T8131]  ? bpf_lsm_file_ioctl+0x9/0x20
[  605.080537][ T8131]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.080548][ T8131]  __se_sys_ioctl+0xff/0x170
[  605.080561][ T8131]  do_syscall_64+0xfa/0x3b0
[  605.080570][ T8131]  ? lockdep_hardirqs_on+0x9c/0x150
[  605.080584][ T8131]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.080594][ T8131]  ? clear_bhb_loop+0x60/0xb0
[  605.080607][ T8131]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.080617][ T8131] RIP: 0033:0x7f4960b68569
[  605.080626][ T8131] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  605.080636][ T8131] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.080647][ T8131] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  605.080655][ T8131] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  605.080662][ T8131] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  605.080669][ T8131] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  605.080675][ T8131] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  605.080696][ T8131]  </TASK>
[  605.246129][ T8131] block nbd0: shutting down sockets
[  605.400551][ T8133] FAULT_INJECTION: forcing a failure.
[  605.400551][ T8133] name failslab, interval 1, probability 0, space 0, times 0
[  605.400584][ T8133] CPU: 1 UID: 0 PID: 8133 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  605.400605][ T8133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  605.400617][ T8133] Call Trace:
[  605.400624][ T8133]  <TASK>
[  605.400632][ T8133]  dump_stack_lvl+0x189/0x250
[  605.400663][ T8133]  ? __pfx____ratelimit+0x10/0x10
[  605.400690][ T8133]  ? __pfx_dump_stack_lvl+0x10/0x10
[  605.400712][ T8133]  ? __pfx__printk+0x10/0x10
[  605.400738][ T8133]  ? __pfx___might_resched+0x10/0x10
[  605.400758][ T8133]  ? fs_reclaim_acquire+0x7d/0x100
[  605.400780][ T8133]  should_fail_ex+0x46c/0x600
[  605.400808][ T8133]  ? __d_alloc+0x36/0x7b0
[  605.400824][ T8133]  should_failslab+0xa8/0x100
[  605.400848][ T8133]  ? __d_alloc+0x36/0x7b0
[  605.400863][ T8133]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  605.400893][ T8133]  __d_alloc+0x36/0x7b0
[  605.400916][ T8133]  d_alloc_parallel+0xe5/0x1600
[  605.400946][ T8133]  ? rtlock_slowlock_locked+0xd8/0x4010
[  605.400979][ T8133]  ? __pfx_d_alloc_parallel+0x10/0x10
[  605.401004][ T8133]  ? __rt_spin_lock_init+0x3e/0x50
[  605.401025][ T8133]  ? __init_waitqueue_head+0xae/0x160
[  605.401052][ T8133]  __lookup_slow+0x11c/0x3d0
[  605.401074][ T8133]  ? __pfx___lookup_slow+0x10/0x10
[  605.401106][ T8133]  ? lookup_noperm_common+0x241/0x430
[  605.401129][ T8133]  ? d_lookup+0xaa/0xc0
[  605.401147][ T8133]  ? lookup_noperm+0x111/0x240
[  605.401169][ T8133]  simple_start_creating+0xfd/0x1e0
[  605.401194][ T8133]  ? __pfx_simple_start_creating+0x10/0x10
[  605.401219][ T8133]  ? mntput+0x65/0xc0
[  605.401246][ T8133]  start_creating+0x10f/0x180
[  605.401271][ T8133]  __debugfs_create_file+0x79/0x4f0
[  605.401297][ T8133]  debugfs_create_file_unsafe+0x3a/0x50
[  605.401323][ T8133]  nbd_start_device+0x3b8/0xb20
[  605.401353][ T8133]  ? nbd_ioctl+0x131/0xec0
[  605.401381][ T8133]  nbd_ioctl+0x637/0xec0
[  605.401410][ T8133]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.401432][ T8133]  ? __asan_memset+0x22/0x50
[  605.401456][ T8133]  ? smack_file_ioctl+0x24d/0x340
[  605.401479][ T8133]  ? __pfx_smack_file_ioctl+0x10/0x10
[  605.401501][ T8133]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.401526][ T8133]  blkdev_ioctl+0x5a8/0x6d0
[  605.401550][ T8133]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.401567][ T8133]  ? __fget_files+0x2a/0x420
[  605.401595][ T8133]  ? bpf_lsm_file_ioctl+0x9/0x20
[  605.401615][ T8133]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.401635][ T8133]  __se_sys_ioctl+0xff/0x170
[  605.401658][ T8133]  do_syscall_64+0xfa/0x3b0
[  605.401674][ T8133]  ? lockdep_hardirqs_on+0x9c/0x150
[  605.401698][ T8133]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.401716][ T8133]  ? clear_bhb_loop+0x60/0xb0
[  605.401738][ T8133]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.401760][ T8133] RIP: 0033:0x7f4960b68569
[  605.401777][ T8133] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  605.401792][ T8133] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.401812][ T8133] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  605.401825][ T8133] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  605.401836][ T8133] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  605.401848][ T8133] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  605.401860][ T8133] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  605.401890][ T8133]  </TASK>
[  605.565339][ T8133] block nbd0: shutting down sockets
[  605.752123][ T8135] FAULT_INJECTION: forcing a failure.
[  605.752123][ T8135] name failslab, interval 1, probability 0, space 0, times 0
[  605.752158][ T8135] CPU: 1 UID: 0 PID: 8135 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  605.752179][ T8135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  605.752192][ T8135] Call Trace:
[  605.752199][ T8135]  <TASK>
[  605.752208][ T8135]  dump_stack_lvl+0x189/0x250
[  605.752237][ T8135]  ? __pfx____ratelimit+0x10/0x10
[  605.752263][ T8135]  ? __pfx_dump_stack_lvl+0x10/0x10
[  605.752288][ T8135]  ? __pfx__printk+0x10/0x10
[  605.752313][ T8135]  ? __pfx___might_resched+0x10/0x10
[  605.752334][ T8135]  ? fs_reclaim_acquire+0x7d/0x100
[  605.752355][ T8135]  should_fail_ex+0x46c/0x600
[  605.752386][ T8135]  ? __d_alloc+0x36/0x7b0
[  605.752401][ T8135]  should_failslab+0xa8/0x100
[  605.752426][ T8135]  ? __d_alloc+0x36/0x7b0
[  605.752441][ T8135]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  605.752472][ T8135]  __d_alloc+0x36/0x7b0
[  605.752495][ T8135]  d_alloc_parallel+0xe5/0x1600
[  605.752525][ T8135]  ? rtlock_slowlock_locked+0xd8/0x4010
[  605.752557][ T8135]  ? __pfx_d_alloc_parallel+0x10/0x10
[  605.752582][ T8135]  ? __rt_spin_lock_init+0x3e/0x50
[  605.752604][ T8135]  ? __init_waitqueue_head+0xae/0x160
[  605.752631][ T8135]  __lookup_slow+0x11c/0x3d0
[  605.752660][ T8135]  ? __pfx___lookup_slow+0x10/0x10
[  605.752693][ T8135]  ? lookup_noperm_common+0x241/0x430
[  605.752716][ T8135]  ? d_lookup+0xaa/0xc0
[  605.752735][ T8135]  ? lookup_noperm+0x111/0x240
[  605.752757][ T8135]  simple_start_creating+0xfd/0x1e0
[  605.752782][ T8135]  ? __pfx_simple_start_creating+0x10/0x10
[  605.752809][ T8135]  ? mntput+0x65/0xc0
[  605.752835][ T8135]  start_creating+0x10f/0x180
[  605.752860][ T8135]  __debugfs_create_file+0x79/0x4f0
[  605.752891][ T8135]  debugfs_create_file_unsafe+0x3a/0x50
[  605.752917][ T8135]  nbd_start_device+0x3b8/0xb20
[  605.752948][ T8135]  ? nbd_ioctl+0x131/0xec0
[  605.752976][ T8135]  nbd_ioctl+0x637/0xec0
[  605.753006][ T8135]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.753028][ T8135]  ? __asan_memset+0x22/0x50
[  605.753047][ T8135]  ? smack_file_ioctl+0x24d/0x340
[  605.753069][ T8135]  ? __pfx_smack_file_ioctl+0x10/0x10
[  605.753092][ T8135]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.753118][ T8135]  blkdev_ioctl+0x5a8/0x6d0
[  605.753142][ T8135]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.753159][ T8135]  ? __fget_files+0x2a/0x420
[  605.753186][ T8135]  ? bpf_lsm_file_ioctl+0x9/0x20
[  605.753207][ T8135]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.753227][ T8135]  __se_sys_ioctl+0xff/0x170
[  605.753250][ T8135]  do_syscall_64+0xfa/0x3b0
[  605.753266][ T8135]  ? lockdep_hardirqs_on+0x9c/0x150
[  605.753289][ T8135]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.753308][ T8135]  ? clear_bhb_loop+0x60/0xb0
[  605.753329][ T8135]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.753346][ T8135] RIP: 0033:0x7f4960b68569
[  605.753363][ T8135] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  605.753378][ T8135] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.753397][ T8135] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  605.753411][ T8135] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  605.753423][ T8135] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  605.753434][ T8135] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  605.753446][ T8135] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  605.753477][ T8135]  </TASK>
[  605.915680][ T8135] block nbd0: shutting down sockets
[  606.103469][ T8138] FAULT_INJECTION: forcing a failure.
[  606.103469][ T8138] name failslab, interval 1, probability 0, space 0, times 0
[  606.103501][ T8138] CPU: 1 UID: 0 PID: 8138 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  606.103523][ T8138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  606.103534][ T8138] Call Trace:
[  606.103542][ T8138]  <TASK>
[  606.103551][ T8138]  dump_stack_lvl+0x189/0x250
[  606.103581][ T8138]  ? __pfx____ratelimit+0x10/0x10
[  606.103607][ T8138]  ? __pfx_dump_stack_lvl+0x10/0x10
[  606.103630][ T8138]  ? __pfx__printk+0x10/0x10
[  606.103656][ T8138]  ? __pfx___might_resched+0x10/0x10
[  606.103676][ T8138]  ? fs_reclaim_acquire+0x7d/0x100
[  606.103699][ T8138]  should_fail_ex+0x46c/0x600
[  606.103727][ T8138]  ? __d_alloc+0x36/0x7b0
[  606.103743][ T8138]  should_failslab+0xa8/0x100
[  606.103767][ T8138]  ? __d_alloc+0x36/0x7b0
[  606.103782][ T8138]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  606.103812][ T8138]  __d_alloc+0x36/0x7b0
[  606.103836][ T8138]  d_alloc_parallel+0xe5/0x1600
[  606.103866][ T8138]  ? rtlock_slowlock_locked+0xd8/0x4010
[  606.103899][ T8138]  ? __pfx_d_alloc_parallel+0x10/0x10
[  606.103924][ T8138]  ? __rt_spin_lock_init+0x3e/0x50
[  606.103946][ T8138]  ? __init_waitqueue_head+0xae/0x160
[  606.103972][ T8138]  __lookup_slow+0x11c/0x3d0
[  606.103995][ T8138]  ? __pfx___lookup_slow+0x10/0x10
[  606.104027][ T8138]  ? lookup_noperm_common+0x241/0x430
[  606.104049][ T8138]  ? d_lookup+0xaa/0xc0
[  606.104068][ T8138]  ? lookup_noperm+0x111/0x240
[  606.104094][ T8138]  simple_start_creating+0xfd/0x1e0
[  606.104119][ T8138]  ? __pfx_simple_start_creating+0x10/0x10
[  606.104144][ T8138]  ? mntput+0x65/0xc0
[  606.104170][ T8138]  start_creating+0x10f/0x180
[  606.104196][ T8138]  __debugfs_create_file+0x79/0x4f0
[  606.104224][ T8138]  debugfs_create_file_unsafe+0x3a/0x50
[  606.104250][ T8138]  nbd_start_device+0x3b8/0xb20
[  606.104287][ T8138]  nbd_ioctl+0x637/0xec0
[  606.104317][ T8138]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.104339][ T8138]  ? __asan_memset+0x22/0x50
[  606.104358][ T8138]  ? smack_file_ioctl+0x24d/0x340
[  606.104387][ T8138]  ? __pfx_smack_file_ioctl+0x10/0x10
[  606.104409][ T8138]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.104435][ T8138]  blkdev_ioctl+0x5a8/0x6d0
[  606.104460][ T8138]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.104477][ T8138]  ? __fget_files+0x2a/0x420
[  606.104504][ T8138]  ? bpf_lsm_file_ioctl+0x9/0x20
[  606.104525][ T8138]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.104545][ T8138]  __se_sys_ioctl+0xff/0x170
[  606.104568][ T8138]  do_syscall_64+0xfa/0x3b0
[  606.104584][ T8138]  ? lockdep_hardirqs_on+0x9c/0x150
[  606.104608][ T8138]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.104626][ T8138]  ? clear_bhb_loop+0x60/0xb0
[  606.104648][ T8138]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.104666][ T8138] RIP: 0033:0x7f4960b68569
[  606.104682][ T8138] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  606.104696][ T8138] RSP: 002b:00007f4960afd208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.104715][ T8138] RAX: ffffffffffffffda RBX: 00007f4960bef418 RCX: 00007f4960b68569
[  606.104729][ T8138] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  606.104740][ T8138] RBP: 00007f4960bef410 R08: 00007f4960afcfa6 R09: 0000000000003331
[  606.104753][ T8138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  606.104765][ T8138] R13: 00007f4960afd210 R14: 0000000000000002 R15: 64626e2f7665642f
[  606.104795][ T8138]  </TASK>
[  606.269977][ T8138] block nbd0: shutting down sockets
[  606.450341][ T8140] FAULT_INJECTION: forcing a failure.
[  606.450341][ T8140] name failslab, interval 1, probability 0, space 0, times 0
[  606.450375][ T8140] CPU: 1 UID: 0 PID: 8140 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  606.450396][ T8140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  606.450409][ T8140] Call Trace:
[  606.450416][ T8140]  <TASK>
[  606.450425][ T8140]  dump_stack_lvl+0x189/0x250
[  606.450455][ T8140]  ? __pfx____ratelimit+0x10/0x10
[  606.450481][ T8140]  ? __pfx_dump_stack_lvl+0x10/0x10
[  606.450505][ T8140]  ? __pfx__printk+0x10/0x10
[  606.450532][ T8140]  ? __pfx___might_resched+0x10/0x10
[  606.450552][ T8140]  ? fs_reclaim_acquire+0x7d/0x100
[  606.450574][ T8140]  should_fail_ex+0x46c/0x600
[  606.450609][ T8140]  ? __d_alloc+0x36/0x7b0
[  606.450626][ T8140]  should_failslab+0xa8/0x100
[  606.450651][ T8140]  ? __d_alloc+0x36/0x7b0
[  606.450665][ T8140]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  606.450696][ T8140]  __d_alloc+0x36/0x7b0
[  606.450720][ T8140]  d_alloc_parallel+0xe5/0x1600
[  606.450749][ T8140]  ? rtlock_slowlock_locked+0xd8/0x4010
[  606.450782][ T8140]  ? __pfx_d_alloc_parallel+0x10/0x10
[  606.450806][ T8140]  ? __rt_spin_lock_init+0x3e/0x50
[  606.450827][ T8140]  ? __init_waitqueue_head+0xae/0x160
[  606.450854][ T8140]  __lookup_slow+0x11c/0x3d0
[  606.450877][ T8140]  ? __pfx___lookup_slow+0x10/0x10
[  606.450909][ T8140]  ? lookup_noperm_common+0x241/0x430
[  606.450932][ T8140]  ? d_lookup+0xaa/0xc0
[  606.450951][ T8140]  ? lookup_noperm+0x111/0x240
[  606.450972][ T8140]  simple_start_creating+0xfd/0x1e0
[  606.450998][ T8140]  ? __pfx_simple_start_creating+0x10/0x10
[  606.451024][ T8140]  ? mntput+0x65/0xc0
[  606.451050][ T8140]  start_creating+0x10f/0x180
[  606.451075][ T8140]  __debugfs_create_file+0x79/0x4f0
[  606.451104][ T8140]  debugfs_create_file_unsafe+0x3a/0x50
[  606.451131][ T8140]  nbd_start_device+0x3b8/0xb20
[  606.451161][ T8140]  ? nbd_ioctl+0x131/0xec0
[  606.451189][ T8140]  nbd_ioctl+0x637/0xec0
[  606.451220][ T8140]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.451242][ T8140]  ? __asan_memset+0x22/0x50
[  606.451260][ T8140]  ? smack_file_ioctl+0x24d/0x340
[  606.451282][ T8140]  ? __pfx_smack_file_ioctl+0x10/0x10
[  606.451304][ T8140]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.451330][ T8140]  blkdev_ioctl+0x5a8/0x6d0
[  606.451352][ T8140]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.451367][ T8140]  ? __fget_files+0x2a/0x420
[  606.451392][ T8140]  ? bpf_lsm_file_ioctl+0x9/0x20
[  606.451411][ T8140]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.451430][ T8140]  __se_sys_ioctl+0xff/0x170
[  606.451453][ T8140]  do_syscall_64+0xfa/0x3b0
[  606.451469][ T8140]  ? lockdep_hardirqs_on+0x9c/0x150
[  606.451494][ T8140]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.451511][ T8140]  ? clear_bhb_loop+0x60/0xb0
[  606.451532][ T8140]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.451550][ T8140] RIP: 0033:0x7f4960b68569
[  606.451567][ T8140] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  606.451581][ T8140] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.451607][ T8140] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  606.451620][ T8140] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  606.451631][ T8140] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  606.451645][ T8140] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  606.451657][ T8140] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  606.451687][ T8140]  </TASK>
[  606.617441][ T8140] block nbd0: shutting down sockets
[  606.773294][ T8142] FAULT_INJECTION: forcing a failure.
[  606.773294][ T8142] name failslab, interval 1, probability 0, space 0, times 0
[  606.773325][ T8142] CPU: 1 UID: 0 PID: 8142 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  606.773347][ T8142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  606.773359][ T8142] Call Trace:
[  606.773367][ T8142]  <TASK>
[  606.773375][ T8142]  dump_stack_lvl+0x189/0x250
[  606.773404][ T8142]  ? __pfx____ratelimit+0x10/0x10
[  606.773431][ T8142]  ? __pfx_dump_stack_lvl+0x10/0x10
[  606.773456][ T8142]  ? __pfx__printk+0x10/0x10
[  606.773481][ T8142]  ? __pfx___might_resched+0x10/0x10
[  606.773503][ T8142]  ? fs_reclaim_acquire+0x7d/0x100
[  606.773526][ T8142]  should_fail_ex+0x46c/0x600
[  606.773554][ T8142]  ? __d_alloc+0x36/0x7b0
[  606.773577][ T8142]  should_failslab+0xa8/0x100
[  606.773601][ T8142]  ? __d_alloc+0x36/0x7b0
[  606.773616][ T8142]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  606.773646][ T8142]  __d_alloc+0x36/0x7b0
[  606.773670][ T8142]  d_alloc_parallel+0xe5/0x1600
[  606.773700][ T8142]  ? rtlock_slowlock_locked+0xd8/0x4010
[  606.773732][ T8142]  ? __pfx_d_alloc_parallel+0x10/0x10
[  606.773757][ T8142]  ? __rt_spin_lock_init+0x3e/0x50
[  606.773779][ T8142]  ? __init_waitqueue_head+0xae/0x160
[  606.773805][ T8142]  __lookup_slow+0x11c/0x3d0
[  606.773827][ T8142]  ? __pfx___lookup_slow+0x10/0x10
[  606.773860][ T8142]  ? lookup_noperm_common+0x241/0x430
[  606.773883][ T8142]  ? d_lookup+0xaa/0xc0
[  606.773902][ T8142]  ? lookup_noperm+0x111/0x240
[  606.773924][ T8142]  simple_start_creating+0xfd/0x1e0
[  606.773948][ T8142]  ? __pfx_simple_start_creating+0x10/0x10
[  606.773974][ T8142]  ? mntput+0x65/0xc0
[  606.774001][ T8142]  start_creating+0x10f/0x180
[  606.774026][ T8142]  __debugfs_create_file+0x79/0x4f0
[  606.774054][ T8142]  debugfs_create_file_unsafe+0x3a/0x50
[  606.774082][ T8142]  nbd_start_device+0x3b8/0xb20
[  606.774111][ T8142]  ? nbd_ioctl+0x131/0xec0
[  606.774139][ T8142]  nbd_ioctl+0x637/0xec0
[  606.774173][ T8142]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.774195][ T8142]  ? __asan_memset+0x22/0x50
[  606.774212][ T8142]  ? smack_file_ioctl+0x24d/0x340
[  606.774236][ T8142]  ? __pfx_smack_file_ioctl+0x10/0x10
[  606.774258][ T8142]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.774284][ T8142]  blkdev_ioctl+0x5a8/0x6d0
[  606.774307][ T8142]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.774325][ T8142]  ? __fget_files+0x2a/0x420
[  606.774351][ T8142]  ? bpf_lsm_file_ioctl+0x9/0x20
[  606.774372][ T8142]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.774392][ T8142]  __se_sys_ioctl+0xff/0x170
[  606.774413][ T8142]  do_syscall_64+0xfa/0x3b0
[  606.774429][ T8142]  ? lockdep_hardirqs_on+0x9c/0x150
[  606.774452][ T8142]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.774470][ T8142]  ? clear_bhb_loop+0x60/0xb0
[  606.774492][ T8142]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.774509][ T8142] RIP: 0033:0x7f4960b68569
[  606.774526][ T8142] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  606.774541][ T8142] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.774560][ T8142] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  606.774579][ T8142] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  606.774591][ T8142] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  606.774603][ T8142] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  606.774615][ T8142] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  606.774644][ T8142]  </TASK>
[  606.941303][ T8142] block nbd0: shutting down sockets
[  607.159049][ T8145] block nbd0: Device being setup by another task
[  607.399191][ T8144] block nbd0: shutting down sockets
[  607.569884][ T8147] FAULT_INJECTION: forcing a failure.
[  607.569884][ T8147] name failslab, interval 1, probability 0, space 0, times 0
[  607.569906][ T8147] CPU: 0 UID: 0 PID: 8147 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  607.569918][ T8147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  607.569925][ T8147] Call Trace:
[  607.569929][ T8147]  <TASK>
[  607.569935][ T8147]  dump_stack_lvl+0x189/0x250
[  607.569954][ T8147]  ? __pfx____ratelimit+0x10/0x10
[  607.569969][ T8147]  ? __pfx_dump_stack_lvl+0x10/0x10
[  607.569982][ T8147]  ? __pfx__printk+0x10/0x10
[  607.569996][ T8147]  ? __pfx___might_resched+0x10/0x10
[  607.570007][ T8147]  ? fs_reclaim_acquire+0x7d/0x100
[  607.570020][ T8147]  should_fail_ex+0x46c/0x600
[  607.570037][ T8147]  should_failslab+0xa8/0x100
[  607.570052][ T8147]  __kvmalloc_node_noprof+0x15a/0x550
[  607.570064][ T8147]  ? sbitmap_init_node+0x2c9/0x630
[  607.570079][ T8147]  sbitmap_init_node+0x2c9/0x630
[  607.570094][ T8147]  sbitmap_queue_init_node+0x3e/0x4d0
[  607.570107][ T8147]  blk_mq_init_tags+0x11e/0x270
[  607.570123][ T8147]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  607.570144][ T8147]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  607.570160][ T8147]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  607.570176][ T8147]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  607.570194][ T8147]  ? __kasan_slab_free+0x5b/0x80
[  607.570213][ T8147]  ? kfree+0x195/0x550
[  607.570248][ T8147]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  607.570285][ T8147]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  607.570310][ T8147]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  607.570348][ T8147]  ? nbd_start_device+0x174/0xb20
[  607.570366][ T8147]  nbd_start_device+0x17f/0xb20
[  607.570382][ T8147]  ? nbd_ioctl+0x131/0xec0
[  607.570397][ T8147]  nbd_ioctl+0x637/0xec0
[  607.570414][ T8147]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.570426][ T8147]  ? __asan_memset+0x22/0x50
[  607.570436][ T8147]  ? smack_file_ioctl+0x24d/0x340
[  607.570450][ T8147]  ? __pfx_smack_file_ioctl+0x10/0x10
[  607.570462][ T8147]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.570476][ T8147]  blkdev_ioctl+0x5a8/0x6d0
[  607.570495][ T8147]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.570505][ T8147]  ? __fget_files+0x2a/0x420
[  607.570520][ T8147]  ? bpf_lsm_file_ioctl+0x9/0x20
[  607.570531][ T8147]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.570542][ T8147]  __se_sys_ioctl+0xff/0x170
[  607.570555][ T8147]  do_syscall_64+0xfa/0x3b0
[  607.570564][ T8147]  ? lockdep_hardirqs_on+0x9c/0x150
[  607.570577][ T8147]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.570587][ T8147]  ? clear_bhb_loop+0x60/0xb0
[  607.570600][ T8147]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.570609][ T8147] RIP: 0033:0x7f4960b68569
[  607.570619][ T8147] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  607.570628][ T8147] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  607.570639][ T8147] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  607.570647][ T8147] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  607.570653][ T8147] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  607.570660][ T8147] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  607.570667][ T8147] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  607.570683][ T8147]  </TASK>
[  607.737922][ T8147] block nbd0: shutting down sockets
[  607.900461][ T8149] FAULT_INJECTION: forcing a failure.
[  607.900461][ T8149] name failslab, interval 1, probability 0, space 0, times 0
[  607.900495][ T8149] CPU: 0 UID: 0 PID: 8149 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  607.900517][ T8149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  607.900528][ T8149] Call Trace:
[  607.900536][ T8149]  <TASK>
[  607.900545][ T8149]  dump_stack_lvl+0x189/0x250
[  607.900575][ T8149]  ? __pfx____ratelimit+0x10/0x10
[  607.900601][ T8149]  ? __pfx_dump_stack_lvl+0x10/0x10
[  607.900625][ T8149]  ? __pfx__printk+0x10/0x10
[  607.900651][ T8149]  ? __pfx___might_resched+0x10/0x10
[  607.900669][ T8149]  ? fs_reclaim_acquire+0x7d/0x100
[  607.900692][ T8149]  should_fail_ex+0x46c/0x600
[  607.900722][ T8149]  should_failslab+0xa8/0x100
[  607.900748][ T8149]  __kmalloc_cache_node_noprof+0x78/0x340
[  607.900771][ T8149]  ? blk_mq_init_tags+0x83/0x270
[  607.900801][ T8149]  blk_mq_init_tags+0x83/0x270
[  607.900829][ T8149]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  607.900867][ T8149]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  607.900896][ T8149]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  607.900924][ T8149]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  607.900944][ T8149]  ? __kasan_slab_free+0x5b/0x80
[  607.901029][ T8149]  ? kfree+0x195/0x550
[  607.901075][ T8149]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  607.901115][ T8149]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  607.901142][ T8149]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  607.901193][ T8149]  ? nbd_start_device+0x174/0xb20
[  607.901224][ T8149]  nbd_start_device+0x17f/0xb20
[  607.901257][ T8149]  ? nbd_ioctl+0x131/0xec0
[  607.901286][ T8149]  nbd_ioctl+0x637/0xec0
[  607.901319][ T8149]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.901342][ T8149]  ? __asan_memset+0x22/0x50
[  607.901363][ T8149]  ? smack_file_ioctl+0x24d/0x340
[  607.901387][ T8149]  ? __pfx_smack_file_ioctl+0x10/0x10
[  607.901411][ T8149]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.901438][ T8149]  blkdev_ioctl+0x5a8/0x6d0
[  607.901472][ T8149]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.901490][ T8149]  ? __fget_files+0x2a/0x420
[  607.901519][ T8149]  ? bpf_lsm_file_ioctl+0x9/0x20
[  607.901542][ T8149]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.901562][ T8149]  __se_sys_ioctl+0xff/0x170
[  607.901587][ T8149]  do_syscall_64+0xfa/0x3b0
[  607.901603][ T8149]  ? lockdep_hardirqs_on+0x9c/0x150
[  607.901627][ T8149]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.901647][ T8149]  ? clear_bhb_loop+0x60/0xb0
[  607.901669][ T8149]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.901687][ T8149] RIP: 0033:0x7f4960b68569
[  607.901707][ T8149] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  607.901722][ T8149] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  607.901743][ T8149] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  607.901758][ T8149] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  607.901769][ T8149] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  607.901783][ T8149] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  607.901795][ T8149] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  607.901821][ T8149]  </TASK>
[  608.065605][ T8149] block nbd0: shutting down sockets
[  608.260563][ T8151] FAULT_INJECTION: forcing a failure.
[  608.260563][ T8151] name failslab, interval 1, probability 0, space 0, times 0
[  608.260584][ T8151] CPU: 1 UID: 0 PID: 8151 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  608.260597][ T8151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  608.260604][ T8151] Call Trace:
[  608.260608][ T8151]  <TASK>
[  608.260613][ T8151]  dump_stack_lvl+0x189/0x250
[  608.260631][ T8151]  ? __pfx____ratelimit+0x10/0x10
[  608.260647][ T8151]  ? __pfx_dump_stack_lvl+0x10/0x10
[  608.260661][ T8151]  ? __pfx__printk+0x10/0x10
[  608.260675][ T8151]  ? __pfx___might_resched+0x10/0x10
[  608.260686][ T8151]  ? fs_reclaim_acquire+0x7d/0x100
[  608.260698][ T8151]  should_fail_ex+0x46c/0x600
[  608.260715][ T8151]  should_failslab+0xa8/0x100
[  608.260729][ T8151]  __kvmalloc_node_noprof+0x15a/0x550
[  608.260742][ T8151]  ? sbitmap_init_node+0x2c9/0x630
[  608.260756][ T8151]  sbitmap_init_node+0x2c9/0x630
[  608.260772][ T8151]  sbitmap_queue_init_node+0x3e/0x4d0
[  608.260785][ T8151]  blk_mq_init_tags+0x11e/0x270
[  608.260801][ T8151]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  608.260822][ T8151]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  608.260838][ T8151]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  608.260853][ T8151]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  608.260865][ T8151]  ? __kasan_slab_free+0x5b/0x80
[  608.260876][ T8151]  ? kfree+0x195/0x550
[  608.260896][ T8151]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  608.260924][ T8151]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  608.260948][ T8151]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  608.260995][ T8151]  ? nbd_start_device+0x174/0xb20
[  608.261025][ T8151]  nbd_start_device+0x17f/0xb20
[  608.261051][ T8151]  ? nbd_ioctl+0x131/0xec0
[  608.261067][ T8151]  nbd_ioctl+0x637/0xec0
[  608.261083][ T8151]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.261095][ T8151]  ? __asan_memset+0x22/0x50
[  608.261106][ T8151]  ? smack_file_ioctl+0x24d/0x340
[  608.261119][ T8151]  ? __pfx_smack_file_ioctl+0x10/0x10
[  608.261131][ T8151]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.261145][ T8151]  blkdev_ioctl+0x5a8/0x6d0
[  608.261157][ T8151]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.261174][ T8151]  ? __fget_files+0x2a/0x420
[  608.261189][ T8151]  ? bpf_lsm_file_ioctl+0x9/0x20
[  608.261201][ T8151]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.261212][ T8151]  __se_sys_ioctl+0xff/0x170
[  608.261224][ T8151]  do_syscall_64+0xfa/0x3b0
[  608.261233][ T8151]  ? lockdep_hardirqs_on+0x9c/0x150
[  608.261246][ T8151]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.261257][ T8151]  ? clear_bhb_loop+0x60/0xb0
[  608.261269][ T8151]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.261278][ T8151] RIP: 0033:0x7f4960b68569
[  608.261289][ T8151] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  608.261298][ T8151] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.261310][ T8151] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  608.261318][ T8151] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  608.261324][ T8151] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  608.261331][ T8151] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  608.261337][ T8151] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  608.261353][ T8151]  </TASK>
[  608.430229][ T8151] block nbd0: shutting down sockets
[  608.619956][ T8154] FAULT_INJECTION: forcing a failure.
[  608.619956][ T8154] name failslab, interval 1, probability 0, space 0, times 0
[  608.619979][ T8154] CPU: 0 UID: 0 PID: 8154 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  608.619991][ T8154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  608.619998][ T8154] Call Trace:
[  608.620003][ T8154]  <TASK>
[  608.620008][ T8154]  dump_stack_lvl+0x189/0x250
[  608.620027][ T8154]  ? __pfx____ratelimit+0x10/0x10
[  608.620043][ T8154]  ? __pfx_dump_stack_lvl+0x10/0x10
[  608.620057][ T8154]  ? __pfx__printk+0x10/0x10
[  608.620071][ T8154]  ? __pfx___might_resched+0x10/0x10
[  608.620082][ T8154]  ? fs_reclaim_acquire+0x7d/0x100
[  608.620095][ T8154]  should_fail_ex+0x46c/0x600
[  608.620112][ T8154]  should_failslab+0xa8/0x100
[  608.620127][ T8154]  __kvmalloc_node_noprof+0x15a/0x550
[  608.620145][ T8154]  ? sbitmap_init_node+0x2c9/0x630
[  608.620167][ T8154]  sbitmap_init_node+0x2c9/0x630
[  608.620184][ T8154]  sbitmap_queue_init_node+0x3e/0x4d0
[  608.620197][ T8154]  blk_mq_init_tags+0x11e/0x270
[  608.620214][ T8154]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  608.620240][ T8154]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  608.620256][ T8154]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  608.620272][ T8154]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  608.620283][ T8154]  ? __kasan_slab_free+0x5b/0x80
[  608.620294][ T8154]  ? kfree+0x195/0x550
[  608.620320][ T8154]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  608.620340][ T8154]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  608.620354][ T8154]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  608.620388][ T8154]  ? nbd_start_device+0x174/0xb20
[  608.620409][ T8154]  nbd_start_device+0x17f/0xb20
[  608.620429][ T8154]  ? nbd_ioctl+0x131/0xec0
[  608.620444][ T8154]  nbd_ioctl+0x637/0xec0
[  608.620460][ T8154]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.620472][ T8154]  ? __asan_memset+0x22/0x50
[  608.620483][ T8154]  ? smack_file_ioctl+0x24d/0x340
[  608.620497][ T8154]  ? __pfx_smack_file_ioctl+0x10/0x10
[  608.620509][ T8154]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.620523][ T8154]  blkdev_ioctl+0x5a8/0x6d0
[  608.620535][ T8154]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.620545][ T8154]  ? __fget_files+0x2a/0x420
[  608.620560][ T8154]  ? bpf_lsm_file_ioctl+0x9/0x20
[  608.620572][ T8154]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.620582][ T8154]  __se_sys_ioctl+0xff/0x170
[  608.620595][ T8154]  do_syscall_64+0xfa/0x3b0
[  608.620604][ T8154]  ? lockdep_hardirqs_on+0x9c/0x150
[  608.620617][ T8154]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.620627][ T8154]  ? clear_bhb_loop+0x60/0xb0
[  608.620639][ T8154]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.620649][ T8154] RIP: 0033:0x7f4960b68569
[  608.620659][ T8154] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  608.620668][ T8154] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.620679][ T8154] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  608.620687][ T8154] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  608.620693][ T8154] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  608.620700][ T8154] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  608.620706][ T8154] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  608.620723][ T8154]  </TASK>
[  608.786968][ T8154] block nbd0: shutting down sockets
[  608.959039][ T8158] block nbd0: Device being setup by another task
[  608.960412][ T8157] FAULT_INJECTION: forcing a failure.
[  608.960412][ T8157] name failslab, interval 1, probability 0, space 0, times 0
[  608.960443][ T8157] CPU: 0 UID: 0 PID: 8157 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  608.960464][ T8157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  608.960476][ T8157] Call Trace:
[  608.960484][ T8157]  <TASK>
[  608.960492][ T8157]  dump_stack_lvl+0x189/0x250
[  608.960523][ T8157]  ? __pfx____ratelimit+0x10/0x10
[  608.960548][ T8157]  ? __pfx_dump_stack_lvl+0x10/0x10
[  608.960572][ T8157]  ? __pfx__printk+0x10/0x10
[  608.960599][ T8157]  ? __pfx___might_resched+0x10/0x10
[  608.960619][ T8157]  ? fs_reclaim_acquire+0x7d/0x100
[  608.960641][ T8157]  should_fail_ex+0x46c/0x600
[  608.960669][ T8157]  ? __d_alloc+0x36/0x7b0
[  608.960685][ T8157]  should_failslab+0xa8/0x100
[  608.960710][ T8157]  ? __d_alloc+0x36/0x7b0
[  608.960724][ T8157]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  608.960754][ T8157]  __d_alloc+0x36/0x7b0
[  608.960778][ T8157]  d_alloc_parallel+0xe5/0x1600
[  608.960807][ T8157]  ? rtlock_slowlock_locked+0xd8/0x4010
[  608.960839][ T8157]  ? __pfx_d_alloc_parallel+0x10/0x10
[  608.960864][ T8157]  ? __rt_spin_lock_init+0x3e/0x50
[  608.960885][ T8157]  ? __init_waitqueue_head+0xae/0x160
[  608.960912][ T8157]  __lookup_slow+0x11c/0x3d0
[  608.960934][ T8157]  ? __pfx___lookup_slow+0x10/0x10
[  608.960966][ T8157]  ? lookup_noperm_common+0x241/0x430
[  608.960989][ T8157]  ? d_lookup+0xaa/0xc0
[  608.961007][ T8157]  ? lookup_noperm+0x111/0x240
[  608.961029][ T8157]  simple_start_creating+0xfd/0x1e0
[  608.961060][ T8157]  ? __pfx_simple_start_creating+0x10/0x10
[  608.961086][ T8157]  ? mntput+0x65/0xc0
[  608.961113][ T8157]  start_creating+0x10f/0x180
[  608.961138][ T8157]  __debugfs_create_file+0x79/0x4f0
[  608.961166][ T8157]  debugfs_create_file_unsafe+0x3a/0x50
[  608.961193][ T8157]  nbd_start_device+0x3b8/0xb20
[  608.961224][ T8157]  ? nbd_ioctl+0x131/0xec0
[  608.961251][ T8157]  nbd_ioctl+0x637/0xec0
[  608.961281][ T8157]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.961303][ T8157]  ? __asan_memset+0x22/0x50
[  608.961321][ T8157]  ? smack_file_ioctl+0x24d/0x340
[  608.961344][ T8157]  ? __pfx_smack_file_ioctl+0x10/0x10
[  608.961365][ T8157]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.961391][ T8157]  blkdev_ioctl+0x5a8/0x6d0
[  608.961415][ T8157]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.961432][ T8157]  ? __fget_files+0x2a/0x420
[  608.961458][ T8157]  ? bpf_lsm_file_ioctl+0x9/0x20
[  608.961478][ T8157]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.961498][ T8157]  __se_sys_ioctl+0xff/0x170
[  608.961521][ T8157]  do_syscall_64+0xfa/0x3b0
[  608.961536][ T8157]  ? lockdep_hardirqs_on+0x9c/0x150
[  608.961559][ T8157]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.961578][ T8157]  ? clear_bhb_loop+0x60/0xb0
[  608.961599][ T8157]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.961616][ T8157] RIP: 0033:0x7f4960b68569
[  608.961633][ T8157] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  608.961647][ T8157] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.961667][ T8157] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  608.961680][ T8157] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  608.961691][ T8157] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  608.961704][ T8157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  608.961717][ T8157] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  608.961751][ T8157]  </TASK>
[  609.126606][ T8157] block nbd0: shutting down sockets
[  609.300356][ T8160] FAULT_INJECTION: forcing a failure.
[  609.300356][ T8160] name failslab, interval 1, probability 0, space 0, times 0
[  609.300389][ T8160] CPU: 0 UID: 0 PID: 8160 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  609.300411][ T8160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  609.300423][ T8160] Call Trace:
[  609.300431][ T8160]  <TASK>
[  609.300439][ T8160]  dump_stack_lvl+0x189/0x250
[  609.300469][ T8160]  ? __pfx____ratelimit+0x10/0x10
[  609.300495][ T8160]  ? __pfx_dump_stack_lvl+0x10/0x10
[  609.300519][ T8160]  ? __pfx__printk+0x10/0x10
[  609.300546][ T8160]  ? __pfx___might_resched+0x10/0x10
[  609.300563][ T8160]  ? fs_reclaim_acquire+0x7d/0x100
[  609.300586][ T8160]  should_fail_ex+0x46c/0x600
[  609.300617][ T8160]  should_failslab+0xa8/0x100
[  609.300643][ T8160]  __kvmalloc_node_noprof+0x15a/0x550
[  609.300665][ T8160]  ? sbitmap_init_node+0x2c9/0x630
[  609.300690][ T8160]  sbitmap_init_node+0x2c9/0x630
[  609.300719][ T8160]  sbitmap_queue_init_node+0x3e/0x4d0
[  609.300742][ T8160]  blk_mq_init_tags+0x11e/0x270
[  609.300771][ T8160]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  609.300809][ T8160]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  609.300838][ T8160]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  609.300866][ T8160]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  609.300887][ T8160]  ? __kasan_slab_free+0x5b/0x80
[  609.300907][ T8160]  ? kfree+0x195/0x550
[  609.300945][ T8160]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  609.300982][ T8160]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  609.301007][ T8160]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  609.301056][ T8160]  ? nbd_start_device+0x174/0xb20
[  609.301086][ T8160]  nbd_start_device+0x17f/0xb20
[  609.301115][ T8160]  ? nbd_ioctl+0x131/0xec0
[  609.301142][ T8160]  nbd_ioctl+0x637/0xec0
[  609.301172][ T8160]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.301194][ T8160]  ? __asan_memset+0x22/0x50
[  609.301213][ T8160]  ? smack_file_ioctl+0x24d/0x340
[  609.301235][ T8160]  ? __pfx_smack_file_ioctl+0x10/0x10
[  609.301257][ T8160]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.301282][ T8160]  blkdev_ioctl+0x5a8/0x6d0
[  609.301305][ T8160]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.301331][ T8160]  ? __fget_files+0x2a/0x420
[  609.301358][ T8160]  ? bpf_lsm_file_ioctl+0x9/0x20
[  609.301378][ T8160]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.301398][ T8160]  __se_sys_ioctl+0xff/0x170
[  609.301422][ T8160]  do_syscall_64+0xfa/0x3b0
[  609.301437][ T8160]  ? lockdep_hardirqs_on+0x9c/0x150
[  609.301461][ T8160]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.301479][ T8160]  ? clear_bhb_loop+0x60/0xb0
[  609.301501][ T8160]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.301518][ T8160] RIP: 0033:0x7f4960b68569
[  609.301534][ T8160] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  609.301550][ T8160] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.301569][ T8160] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  609.301582][ T8160] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  609.301594][ T8160] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  609.301606][ T8160] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  609.301616][ T8160] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  609.301643][ T8160]  </TASK>
[  609.466421][ T8160] block nbd0: shutting down sockets
[  609.640348][ T8162] FAULT_INJECTION: forcing a failure.
[  609.640348][ T8162] name failslab, interval 1, probability 0, space 0, times 0
[  609.640381][ T8162] CPU: 0 UID: 0 PID: 8162 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  609.640403][ T8162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  609.640415][ T8162] Call Trace:
[  609.640423][ T8162]  <TASK>
[  609.640433][ T8162]  dump_stack_lvl+0x189/0x250
[  609.640463][ T8162]  ? __pfx____ratelimit+0x10/0x10
[  609.640489][ T8162]  ? __pfx_dump_stack_lvl+0x10/0x10
[  609.640514][ T8162]  ? __pfx__printk+0x10/0x10
[  609.640540][ T8162]  ? __pfx___might_resched+0x10/0x10
[  609.640558][ T8162]  ? fs_reclaim_acquire+0x7d/0x100
[  609.640581][ T8162]  should_fail_ex+0x46c/0x600
[  609.640611][ T8162]  should_failslab+0xa8/0x100
[  609.640637][ T8162]  __kvmalloc_node_noprof+0x15a/0x550
[  609.640659][ T8162]  ? sbitmap_init_node+0x2c9/0x630
[  609.640684][ T8162]  sbitmap_init_node+0x2c9/0x630
[  609.640712][ T8162]  sbitmap_queue_init_node+0x3e/0x4d0
[  609.640737][ T8162]  blk_mq_init_tags+0x11e/0x270
[  609.640766][ T8162]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  609.640804][ T8162]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  609.640833][ T8162]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  609.640861][ T8162]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  609.640882][ T8162]  ? __kasan_slab_free+0x5b/0x80
[  609.640902][ T8162]  ? kfree+0x195/0x550
[  609.640941][ T8162]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  609.640977][ T8162]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  609.641002][ T8162]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  609.641051][ T8162]  ? nbd_start_device+0x174/0xb20
[  609.641081][ T8162]  nbd_start_device+0x17f/0xb20
[  609.641110][ T8162]  ? nbd_ioctl+0x131/0xec0
[  609.641138][ T8162]  nbd_ioctl+0x637/0xec0
[  609.641168][ T8162]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.641191][ T8162]  ? __asan_memset+0x22/0x50
[  609.641209][ T8162]  ? smack_file_ioctl+0x24d/0x340
[  609.641232][ T8162]  ? __pfx_smack_file_ioctl+0x10/0x10
[  609.641254][ T8162]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.641279][ T8162]  blkdev_ioctl+0x5a8/0x6d0
[  609.641302][ T8162]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.641319][ T8162]  ? __fget_files+0x2a/0x420
[  609.641355][ T8162]  ? bpf_lsm_file_ioctl+0x9/0x20
[  609.641375][ T8162]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.641395][ T8162]  __se_sys_ioctl+0xff/0x170
[  609.641418][ T8162]  do_syscall_64+0xfa/0x3b0
[  609.641434][ T8162]  ? lockdep_hardirqs_on+0x9c/0x150
[  609.641455][ T8162]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.641471][ T8162]  ? clear_bhb_loop+0x60/0xb0
[  609.641491][ T8162]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.641509][ T8162] RIP: 0033:0x7f4960b68569
[  609.641525][ T8162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  609.641540][ T8162] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.641560][ T8162] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  609.641574][ T8162] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  609.641584][ T8162] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  609.641598][ T8162] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  609.641609][ T8162] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  609.641640][ T8162]  </TASK>
[  609.807235][ T8162] block nbd0: shutting down sockets
[  609.970555][ T8164] FAULT_INJECTION: forcing a failure.
[  609.970555][ T8164] name failslab, interval 1, probability 0, space 0, times 0
[  609.970590][ T8164] CPU: 0 UID: 0 PID: 8164 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  609.970612][ T8164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  609.970624][ T8164] Call Trace:
[  609.970632][ T8164]  <TASK>
[  609.970640][ T8164]  dump_stack_lvl+0x189/0x250
[  609.970670][ T8164]  ? __pfx____ratelimit+0x10/0x10
[  609.970697][ T8164]  ? __pfx_dump_stack_lvl+0x10/0x10
[  609.970721][ T8164]  ? __pfx__printk+0x10/0x10
[  609.970746][ T8164]  ? __pfx___might_resched+0x10/0x10
[  609.970765][ T8164]  ? fs_reclaim_acquire+0x7d/0x100
[  609.970788][ T8164]  should_fail_ex+0x46c/0x600
[  609.970819][ T8164]  should_failslab+0xa8/0x100
[  609.970844][ T8164]  __kmalloc_cache_node_noprof+0x78/0x340
[  609.970867][ T8164]  ? blk_mq_init_tags+0x83/0x270
[  609.970896][ T8164]  blk_mq_init_tags+0x83/0x270
[  609.970932][ T8164]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  609.970971][ T8164]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  609.971005][ T8164]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  609.971034][ T8164]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  609.971055][ T8164]  ? __kasan_slab_free+0x5b/0x80
[  609.971074][ T8164]  ? kfree+0x195/0x550
[  609.971113][ T8164]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  609.971150][ T8164]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  609.971175][ T8164]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  609.971224][ T8164]  ? nbd_start_device+0x174/0xb20
[  609.971254][ T8164]  nbd_start_device+0x17f/0xb20
[  609.971284][ T8164]  ? nbd_ioctl+0x131/0xec0
[  609.971312][ T8164]  nbd_ioctl+0x637/0xec0
[  609.971341][ T8164]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.971364][ T8164]  ? __asan_memset+0x22/0x50
[  609.971382][ T8164]  ? smack_file_ioctl+0x24d/0x340
[  609.971405][ T8164]  ? __pfx_smack_file_ioctl+0x10/0x10
[  609.971426][ T8164]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.971452][ T8164]  blkdev_ioctl+0x5a8/0x6d0
[  609.971475][ T8164]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.971496][ T8164]  ? __fget_files+0x2a/0x420
[  609.971522][ T8164]  ? bpf_lsm_file_ioctl+0x9/0x20
[  609.971542][ T8164]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.971562][ T8164]  __se_sys_ioctl+0xff/0x170
[  609.971585][ T8164]  do_syscall_64+0xfa/0x3b0
[  609.971600][ T8164]  ? lockdep_hardirqs_on+0x9c/0x150
[  609.971623][ T8164]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.971642][ T8164]  ? clear_bhb_loop+0x60/0xb0
[  609.971663][ T8164]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.971681][ T8164] RIP: 0033:0x7f4960b68569
[  609.971697][ T8164] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  609.971712][ T8164] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.971731][ T8164] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  609.971750][ T8164] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  609.971761][ T8164] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  609.971773][ T8164] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  609.971786][ T8164] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  609.971815][ T8164]  </TASK>
[  610.136506][ T8164] block nbd0: shutting down sockets
[  610.300223][ T8166] FAULT_INJECTION: forcing a failure.
[  610.300223][ T8166] name failslab, interval 1, probability 0, space 0, times 0
[  610.300256][ T8166] CPU: 0 UID: 0 PID: 8166 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  610.300278][ T8166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  610.300289][ T8166] Call Trace:
[  610.300297][ T8166]  <TASK>
[  610.300305][ T8166]  dump_stack_lvl+0x189/0x250
[  610.300335][ T8166]  ? __pfx____ratelimit+0x10/0x10
[  610.300361][ T8166]  ? __pfx_dump_stack_lvl+0x10/0x10
[  610.300386][ T8166]  ? __pfx__printk+0x10/0x10
[  610.300412][ T8166]  ? __pfx___might_resched+0x10/0x10
[  610.300430][ T8166]  ? fs_reclaim_acquire+0x7d/0x100
[  610.300452][ T8166]  should_fail_ex+0x46c/0x600
[  610.300483][ T8166]  should_failslab+0xa8/0x100
[  610.300509][ T8166]  __kvmalloc_node_noprof+0x15a/0x550
[  610.300532][ T8166]  ? sbitmap_init_node+0x2c9/0x630
[  610.300559][ T8166]  sbitmap_init_node+0x2c9/0x630
[  610.300586][ T8166]  sbitmap_queue_init_node+0x3e/0x4d0
[  610.300610][ T8166]  blk_mq_init_tags+0x11e/0x270
[  610.300639][ T8166]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  610.300678][ T8166]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  610.300706][ T8166]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  610.300735][ T8166]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  610.300756][ T8166]  ? __kasan_slab_free+0x5b/0x80
[  610.300775][ T8166]  ? kfree+0x195/0x550
[  610.300813][ T8166]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  610.300851][ T8166]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  610.300877][ T8166]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  610.300925][ T8166]  ? nbd_start_device+0x174/0xb20
[  610.300955][ T8166]  nbd_start_device+0x17f/0xb20
[  610.300983][ T8166]  ? nbd_ioctl+0x131/0xec0
[  610.301008][ T8166]  nbd_ioctl+0x637/0xec0
[  610.301038][ T8166]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.301061][ T8166]  ? __asan_memset+0x22/0x50
[  610.301079][ T8166]  ? smack_file_ioctl+0x24d/0x340
[  610.301102][ T8166]  ? __pfx_smack_file_ioctl+0x10/0x10
[  610.301123][ T8166]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.301149][ T8166]  blkdev_ioctl+0x5a8/0x6d0
[  610.301173][ T8166]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.301190][ T8166]  ? __fget_files+0x2a/0x420
[  610.301222][ T8166]  ? bpf_lsm_file_ioctl+0x9/0x20
[  610.301242][ T8166]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.301262][ T8166]  __se_sys_ioctl+0xff/0x170
[  610.301285][ T8166]  do_syscall_64+0xfa/0x3b0
[  610.301300][ T8166]  ? lockdep_hardirqs_on+0x9c/0x150
[  610.301324][ T8166]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.301343][ T8166]  ? clear_bhb_loop+0x60/0xb0
[  610.301364][ T8166]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.301382][ T8166] RIP: 0033:0x7f4960b68569
[  610.301398][ T8166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  610.301413][ T8166] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  610.301432][ T8166] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  610.301446][ T8166] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  610.301458][ T8166] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  610.301470][ T8166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  610.301482][ T8166] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  610.301512][ T8166]  </TASK>
[  610.467851][ T8166] block nbd0: shutting down sockets
[  610.630557][ T8168] FAULT_INJECTION: forcing a failure.
[  610.630557][ T8168] name failslab, interval 1, probability 0, space 0, times 0
[  610.630591][ T8168] CPU: 0 UID: 0 PID: 8168 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  610.630613][ T8168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  610.630624][ T8168] Call Trace:
[  610.630632][ T8168]  <TASK>
[  610.630641][ T8168]  dump_stack_lvl+0x189/0x250
[  610.630670][ T8168]  ? __pfx____ratelimit+0x10/0x10
[  610.630697][ T8168]  ? __pfx_dump_stack_lvl+0x10/0x10
[  610.630722][ T8168]  ? __pfx__printk+0x10/0x10
[  610.630747][ T8168]  ? __pfx___might_resched+0x10/0x10
[  610.630766][ T8168]  ? fs_reclaim_acquire+0x7d/0x100
[  610.630787][ T8168]  should_fail_ex+0x46c/0x600
[  610.630818][ T8168]  should_failslab+0xa8/0x100
[  610.630844][ T8168]  __kvmalloc_node_noprof+0x15a/0x550
[  610.630866][ T8168]  ? sbitmap_init_node+0x2c9/0x630
[  610.630890][ T8168]  sbitmap_init_node+0x2c9/0x630
[  610.630919][ T8168]  sbitmap_queue_init_node+0x3e/0x4d0
[  610.630942][ T8168]  blk_mq_init_tags+0x11e/0x270
[  610.630971][ T8168]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  610.631009][ T8168]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  610.631037][ T8168]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  610.631066][ T8168]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  610.631086][ T8168]  ? __kasan_slab_free+0x5b/0x80
[  610.631113][ T8168]  ? kfree+0x195/0x550
[  610.631151][ T8168]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  610.631187][ T8168]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  610.631213][ T8168]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  610.631261][ T8168]  ? nbd_start_device+0x174/0xb20
[  610.631295][ T8168]  nbd_start_device+0x17f/0xb20
[  610.631323][ T8168]  ? nbd_ioctl+0x131/0xec0
[  610.631352][ T8168]  nbd_ioctl+0x637/0xec0
[  610.631382][ T8168]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.631403][ T8168]  ? __asan_memset+0x22/0x50
[  610.631422][ T8168]  ? smack_file_ioctl+0x24d/0x340
[  610.631446][ T8168]  ? __pfx_smack_file_ioctl+0x10/0x10
[  610.631467][ T8168]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.631492][ T8168]  blkdev_ioctl+0x5a8/0x6d0
[  610.631515][ T8168]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.631532][ T8168]  ? __fget_files+0x2a/0x420
[  610.631559][ T8168]  ? bpf_lsm_file_ioctl+0x9/0x20
[  610.631579][ T8168]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.631599][ T8168]  __se_sys_ioctl+0xff/0x170
[  610.631621][ T8168]  do_syscall_64+0xfa/0x3b0
[  610.631637][ T8168]  ? lockdep_hardirqs_on+0x9c/0x150
[  610.631661][ T8168]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.631679][ T8168]  ? clear_bhb_loop+0x60/0xb0
[  610.631700][ T8168]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.631717][ T8168] RIP: 0033:0x7f4960b68569
[  610.631734][ T8168] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  610.631749][ T8168] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  610.631768][ T8168] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  610.631781][ T8168] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  610.631793][ T8168] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  610.631805][ T8168] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  610.631816][ T8168] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  610.631847][ T8168]  </TASK>
[  610.795520][ T8168] block nbd0: shutting down sockets
[  610.970438][ T8170] FAULT_INJECTION: forcing a failure.
[  610.970438][ T8170] name failslab, interval 1, probability 0, space 0, times 0
[  610.970472][ T8170] CPU: 0 UID: 0 PID: 8170 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  610.970494][ T8170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  610.970506][ T8170] Call Trace:
[  610.970514][ T8170]  <TASK>
[  610.970523][ T8170]  dump_stack_lvl+0x189/0x250
[  610.970553][ T8170]  ? __pfx____ratelimit+0x10/0x10
[  610.970579][ T8170]  ? __pfx_dump_stack_lvl+0x10/0x10
[  610.970604][ T8170]  ? __pfx__printk+0x10/0x10
[  610.970630][ T8170]  ? __pfx___might_resched+0x10/0x10
[  610.970649][ T8170]  ? fs_reclaim_acquire+0x7d/0x100
[  610.970670][ T8170]  should_fail_ex+0x46c/0x600
[  610.970701][ T8170]  should_failslab+0xa8/0x100
[  610.970727][ T8170]  __kvmalloc_node_noprof+0x15a/0x550
[  610.970750][ T8170]  ? sbitmap_init_node+0x2c9/0x630
[  610.970775][ T8170]  sbitmap_init_node+0x2c9/0x630
[  610.970803][ T8170]  sbitmap_queue_init_node+0x3e/0x4d0
[  610.970827][ T8170]  blk_mq_init_tags+0x11e/0x270
[  610.970855][ T8170]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  610.970894][ T8170]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  610.970923][ T8170]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  610.970951][ T8170]  blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[  610.970971][ T8170]  ? __kasan_slab_free+0x5b/0x80
[  610.970991][ T8170]  ? kfree+0x195/0x550
[  610.971030][ T8170]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  610.971067][ T8170]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  610.971099][ T8170]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  610.971148][ T8170]  ? nbd_start_device+0x174/0xb20
[  610.971178][ T8170]  nbd_start_device+0x17f/0xb20
[  610.971208][ T8170]  ? nbd_ioctl+0x131/0xec0
[  610.971236][ T8170]  nbd_ioctl+0x637/0xec0
[  610.971266][ T8170]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.971288][ T8170]  ? __asan_memset+0x22/0x50
[  610.971308][ T8170]  ? smack_file_ioctl+0x24d/0x340
[  610.971331][ T8170]  ? __pfx_smack_file_ioctl+0x10/0x10
[  610.971351][ T8170]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.971376][ T8170]  blkdev_ioctl+0x5a8/0x6d0
[  610.971399][ T8170]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.971417][ T8170]  ? __fget_files+0x2a/0x420
[  610.971444][ T8170]  ? bpf_lsm_file_ioctl+0x9/0x20
[  610.971464][ T8170]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.971483][ T8170]  __se_sys_ioctl+0xff/0x170
[  610.971506][ T8170]  do_syscall_64+0xfa/0x3b0
[  610.971522][ T8170]  ? lockdep_hardirqs_on+0x9c/0x150
[  610.971545][ T8170]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.971564][ T8170]  ? clear_bhb_loop+0x60/0xb0
[  610.971586][ T8170]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.971603][ T8170] RIP: 0033:0x7f4960b68569
[  610.971620][ T8170] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  610.971635][ T8170] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  610.971654][ T8170] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  610.971667][ T8170] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  610.971679][ T8170] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  610.971691][ T8170] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  610.971703][ T8170] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  610.971734][ T8170]  </TASK>
[  611.137407][ T8170] block nbd0: shutting down sockets
[  611.539418][ T8172] block nbd0: shutting down sockets
[  611.719835][ T8174] FAULT_INJECTION: forcing a failure.
[  611.719835][ T8174] name failslab, interval 1, probability 0, space 0, times 0
[  611.719857][ T8174] CPU: 0 UID: 0 PID: 8174 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  611.719870][ T8174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  611.719877][ T8174] Call Trace:
[  611.719882][ T8174]  <TASK>
[  611.719887][ T8174]  dump_stack_lvl+0x189/0x250
[  611.719907][ T8174]  ? __pfx____ratelimit+0x10/0x10
[  611.719921][ T8174]  ? __pfx_dump_stack_lvl+0x10/0x10
[  611.719935][ T8174]  ? __pfx__printk+0x10/0x10
[  611.719950][ T8174]  ? __pfx___might_resched+0x10/0x10
[  611.719961][ T8174]  ? fs_reclaim_acquire+0x7d/0x100
[  611.719974][ T8174]  should_fail_ex+0x46c/0x600
[  611.719992][ T8174]  ? __d_alloc+0x36/0x7b0
[  611.720001][ T8174]  should_failslab+0xa8/0x100
[  611.720015][ T8174]  ? __d_alloc+0x36/0x7b0
[  611.720026][ T8174]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  611.720054][ T8174]  __d_alloc+0x36/0x7b0
[  611.720066][ T8174]  d_alloc_parallel+0xe5/0x1600
[  611.720083][ T8174]  ? rtlock_slowlock_locked+0xd8/0x4010
[  611.720101][ T8174]  ? __pfx_d_alloc_parallel+0x10/0x10
[  611.720115][ T8174]  ? __rt_spin_lock_init+0x3e/0x50
[  611.720127][ T8174]  ? __init_waitqueue_head+0xae/0x160
[  611.720142][ T8174]  __lookup_slow+0x11c/0x3d0
[  611.720155][ T8174]  ? __pfx___lookup_slow+0x10/0x10
[  611.720173][ T8174]  ? lookup_noperm_common+0x241/0x430
[  611.720186][ T8174]  ? d_lookup+0xaa/0xc0
[  611.720196][ T8174]  ? lookup_noperm+0x111/0x240
[  611.720209][ T8174]  simple_start_creating+0xfd/0x1e0
[  611.720225][ T8174]  ? __pfx_simple_start_creating+0x10/0x10
[  611.720239][ T8174]  ? mntput+0x65/0xc0
[  611.720253][ T8174]  start_creating+0x10f/0x180
[  611.720269][ T8174]  __debugfs_create_file+0x79/0x4f0
[  611.720284][ T8174]  debugfs_create_file_unsafe+0x3a/0x50
[  611.720299][ T8174]  nbd_start_device+0x3b8/0xb20
[  611.720316][ T8174]  ? nbd_ioctl+0x131/0xec0
[  611.720332][ T8174]  nbd_ioctl+0x637/0xec0
[  611.720348][ T8174]  ? __pfx_nbd_ioctl+0x10/0x10
[  611.720360][ T8174]  ? __asan_memset+0x22/0x50
[  611.720370][ T8174]  ? smack_file_ioctl+0x24d/0x340
[  611.720382][ T8174]  ? __pfx_smack_file_ioctl+0x10/0x10
[  611.720394][ T8174]  ? __pfx_nbd_ioctl+0x10/0x10
[  611.720408][ T8174]  blkdev_ioctl+0x5a8/0x6d0
[  611.720422][ T8174]  ? __pfx_blkdev_ioctl+0x10/0x10
[  611.720431][ T8174]  ? __fget_files+0x2a/0x420
[  611.720446][ T8174]  ? bpf_lsm_file_ioctl+0x9/0x20
[  611.720459][ T8174]  ? __pfx_blkdev_ioctl+0x10/0x10
[  611.720469][ T8174]  __se_sys_ioctl+0xff/0x170
[  611.720482][ T8174]  do_syscall_64+0xfa/0x3b0
[  611.720491][ T8174]  ? lockdep_hardirqs_on+0x9c/0x150
[  611.720504][ T8174]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.720515][ T8174]  ? clear_bhb_loop+0x60/0xb0
[  611.720527][ T8174]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.720537][ T8174] RIP: 0033:0x7f4960b68569
[  611.720547][ T8174] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  611.720556][ T8174] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  611.720568][ T8174] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  611.720576][ T8174] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  611.720582][ T8174] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  611.720590][ T8174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  611.720596][ T8174] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  611.720618][ T8174]  </TASK>
[  611.891435][ T8174] block nbd0: shutting down sockets
[  612.070385][ T8176] FAULT_INJECTION: forcing a failure.
[  612.070385][ T8176] name failslab, interval 1, probability 0, space 0, times 0
[  612.070418][ T8176] CPU: 0 UID: 0 PID: 8176 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  612.070441][ T8176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  612.070453][ T8176] Call Trace:
[  612.070460][ T8176]  <TASK>
[  612.070468][ T8176]  dump_stack_lvl+0x189/0x250
[  612.070499][ T8176]  ? __pfx____ratelimit+0x10/0x10
[  612.070526][ T8176]  ? __pfx_dump_stack_lvl+0x10/0x10
[  612.070550][ T8176]  ? __pfx__printk+0x10/0x10
[  612.070575][ T8176]  ? __pfx___might_resched+0x10/0x10
[  612.070595][ T8176]  ? fs_reclaim_acquire+0x7d/0x100
[  612.070617][ T8176]  should_fail_ex+0x46c/0x600
[  612.070647][ T8176]  ? security_inode_alloc+0x39/0x330
[  612.070664][ T8176]  should_failslab+0xa8/0x100
[  612.070689][ T8176]  ? security_inode_alloc+0x39/0x330
[  612.070704][ T8176]  kmem_cache_alloc_noprof+0x6e/0x310
[  612.070733][ T8176]  security_inode_alloc+0x39/0x330
[  612.070759][ T8176]  inode_init_always_gfp+0x9bf/0xd70
[  612.070789][ T8176]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  612.070814][ T8176]  alloc_inode+0x82/0x1b0
[  612.070838][ T8176]  new_inode+0x22/0x170
[  612.070866][ T8176]  __debugfs_create_file+0x14d/0x4f0
[  612.070895][ T8176]  debugfs_create_file_unsafe+0x3a/0x50
[  612.070922][ T8176]  nbd_start_device+0x3a0/0xb20
[  612.070953][ T8176]  ? nbd_ioctl+0x131/0xec0
[  612.070980][ T8176]  nbd_ioctl+0x637/0xec0
[  612.071010][ T8176]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.071032][ T8176]  ? __asan_memset+0x22/0x50
[  612.071050][ T8176]  ? smack_file_ioctl+0x24d/0x340
[  612.071072][ T8176]  ? __pfx_smack_file_ioctl+0x10/0x10
[  612.071094][ T8176]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.071119][ T8176]  blkdev_ioctl+0x5a8/0x6d0
[  612.071143][ T8176]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.071160][ T8176]  ? __fget_files+0x2a/0x420
[  612.071187][ T8176]  ? bpf_lsm_file_ioctl+0x9/0x20
[  612.071207][ T8176]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.071227][ T8176]  __se_sys_ioctl+0xff/0x170
[  612.071250][ T8176]  do_syscall_64+0xfa/0x3b0
[  612.071265][ T8176]  ? lockdep_hardirqs_on+0x9c/0x150
[  612.071290][ T8176]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.071308][ T8176]  ? clear_bhb_loop+0x60/0xb0
[  612.071329][ T8176]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.071347][ T8176] RIP: 0033:0x7f4960b68569
[  612.071363][ T8176] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  612.071378][ T8176] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.071398][ T8176] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  612.071411][ T8176] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  612.071422][ T8176] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  612.071435][ T8176] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  612.071447][ T8176] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  612.071477][ T8176]  </TASK>
[  612.071501][ T8176] debugfs: out of free dentries, can not create file 'size_bytes'
[  612.237694][ T8176] block nbd0: shutting down sockets
[  612.409966][ T8178] FAULT_INJECTION: forcing a failure.
[  612.409966][ T8178] name failslab, interval 1, probability 0, space 0, times 0
[  612.409990][ T8178] CPU: 1 UID: 0 PID: 8178 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  612.410003][ T8178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  612.410010][ T8178] Call Trace:
[  612.410014][ T8178]  <TASK>
[  612.410020][ T8178]  dump_stack_lvl+0x189/0x250
[  612.410039][ T8178]  ? __pfx____ratelimit+0x10/0x10
[  612.410054][ T8178]  ? __pfx_dump_stack_lvl+0x10/0x10
[  612.410067][ T8178]  ? __pfx__printk+0x10/0x10
[  612.410081][ T8178]  ? __pfx___might_resched+0x10/0x10
[  612.410092][ T8178]  ? fs_reclaim_acquire+0x7d/0x100
[  612.410105][ T8178]  should_fail_ex+0x46c/0x600
[  612.410121][ T8178]  ? __d_alloc+0x36/0x7b0
[  612.410131][ T8178]  should_failslab+0xa8/0x100
[  612.410144][ T8178]  ? __d_alloc+0x36/0x7b0
[  612.410152][ T8178]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  612.410169][ T8178]  __d_alloc+0x36/0x7b0
[  612.410181][ T8178]  d_alloc_parallel+0xe5/0x1600
[  612.410197][ T8178]  ? rtlock_slowlock_locked+0xd8/0x4010
[  612.410215][ T8178]  ? __pfx_d_alloc_parallel+0x10/0x10
[  612.410229][ T8178]  ? __rt_spin_lock_init+0x3e/0x50
[  612.410241][ T8178]  ? __init_waitqueue_head+0xae/0x160
[  612.410257][ T8178]  __lookup_slow+0x11c/0x3d0
[  612.410269][ T8178]  ? __pfx___lookup_slow+0x10/0x10
[  612.410287][ T8178]  ? lookup_noperm_common+0x241/0x430
[  612.410308][ T8178]  ? d_lookup+0xaa/0xc0
[  612.410325][ T8178]  ? lookup_noperm+0x111/0x240
[  612.410346][ T8178]  simple_start_creating+0xfd/0x1e0
[  612.410371][ T8178]  ? __pfx_simple_start_creating+0x10/0x10
[  612.410396][ T8178]  ? mntput+0x65/0xc0
[  612.410422][ T8178]  start_creating+0x10f/0x180
[  612.410441][ T8178]  __debugfs_create_file+0x79/0x4f0
[  612.410457][ T8178]  debugfs_create_file_unsafe+0x3a/0x50
[  612.410472][ T8178]  nbd_start_device+0x3b8/0xb20
[  612.410489][ T8178]  ? nbd_ioctl+0x131/0xec0
[  612.410504][ T8178]  nbd_ioctl+0x637/0xec0
[  612.410520][ T8178]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.410532][ T8178]  ? __asan_memset+0x22/0x50
[  612.410543][ T8178]  ? smack_file_ioctl+0x24d/0x340
[  612.410555][ T8178]  ? __pfx_smack_file_ioctl+0x10/0x10
[  612.410567][ T8178]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.410581][ T8178]  blkdev_ioctl+0x5a8/0x6d0
[  612.410594][ T8178]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.410603][ T8178]  ? __fget_files+0x2a/0x420
[  612.410618][ T8178]  ? bpf_lsm_file_ioctl+0x9/0x20
[  612.410630][ T8178]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.410641][ T8178]  __se_sys_ioctl+0xff/0x170
[  612.410653][ T8178]  do_syscall_64+0xfa/0x3b0
[  612.410662][ T8178]  ? lockdep_hardirqs_on+0x9c/0x150
[  612.410675][ T8178]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.410685][ T8178]  ? clear_bhb_loop+0x60/0xb0
[  612.410698][ T8178]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.410707][ T8178] RIP: 0033:0x7f4960b68569
[  612.410759][ T8178] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  612.410768][ T8178] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.410779][ T8178] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  612.410791][ T8178] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  612.410797][ T8178] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  612.410804][ T8178] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  612.410811][ T8178] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  612.410828][ T8178]  </TASK>
[  612.579187][ T8178] block nbd0: shutting down sockets
[  612.760434][ T8180] FAULT_INJECTION: forcing a failure.
[  612.760434][ T8180] name failslab, interval 1, probability 0, space 0, times 0
[  612.760466][ T8180] CPU: 0 UID: 0 PID: 8180 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  612.760488][ T8180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  612.760499][ T8180] Call Trace:
[  612.760507][ T8180]  <TASK>
[  612.760516][ T8180]  dump_stack_lvl+0x189/0x250
[  612.760547][ T8180]  ? __pfx____ratelimit+0x10/0x10
[  612.760573][ T8180]  ? __pfx_dump_stack_lvl+0x10/0x10
[  612.760598][ T8180]  ? __pfx__printk+0x10/0x10
[  612.760623][ T8180]  ? __pfx___might_resched+0x10/0x10
[  612.760644][ T8180]  ? fs_reclaim_acquire+0x7d/0x100
[  612.760666][ T8180]  should_fail_ex+0x46c/0x600
[  612.760702][ T8180]  ? __d_alloc+0x36/0x7b0
[  612.760720][ T8180]  should_failslab+0xa8/0x100
[  612.760744][ T8180]  ? __d_alloc+0x36/0x7b0
[  612.760758][ T8180]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  612.760789][ T8180]  __d_alloc+0x36/0x7b0
[  612.760806][ T8180]  d_alloc_parallel+0xe5/0x1600
[  612.760836][ T8180]  ? rtlock_slowlock_locked+0xd8/0x4010
[  612.760868][ T8180]  ? __pfx_d_alloc_parallel+0x10/0x10
[  612.760893][ T8180]  ? __rt_spin_lock_init+0x3e/0x50
[  612.760914][ T8180]  ? __init_waitqueue_head+0xae/0x160
[  612.760940][ T8180]  __lookup_slow+0x11c/0x3d0
[  612.760962][ T8180]  ? __pfx___lookup_slow+0x10/0x10
[  612.760995][ T8180]  ? lookup_noperm_common+0x241/0x430
[  612.761018][ T8180]  ? d_lookup+0xaa/0xc0
[  612.761037][ T8180]  ? lookup_noperm+0x111/0x240
[  612.761058][ T8180]  simple_start_creating+0xfd/0x1e0
[  612.761083][ T8180]  ? __pfx_simple_start_creating+0x10/0x10
[  612.761109][ T8180]  ? mntput+0x65/0xc0
[  612.761135][ T8180]  start_creating+0x10f/0x180
[  612.761170][ T8180]  __debugfs_create_file+0x79/0x4f0
[  612.761198][ T8180]  debugfs_create_file_unsafe+0x3a/0x50
[  612.761225][ T8180]  nbd_start_device+0x3b8/0xb20
[  612.761255][ T8180]  ? nbd_ioctl+0x131/0xec0
[  612.761281][ T8180]  nbd_ioctl+0x637/0xec0
[  612.761311][ T8180]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.761333][ T8180]  ? __asan_memset+0x22/0x50
[  612.761352][ T8180]  ? smack_file_ioctl+0x24d/0x340
[  612.761374][ T8180]  ? __pfx_smack_file_ioctl+0x10/0x10
[  612.761396][ T8180]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.761422][ T8180]  blkdev_ioctl+0x5a8/0x6d0
[  612.761446][ T8180]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.761463][ T8180]  ? __fget_files+0x2a/0x420
[  612.761490][ T8180]  ? bpf_lsm_file_ioctl+0x9/0x20
[  612.761510][ T8180]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.761530][ T8180]  __se_sys_ioctl+0xff/0x170
[  612.761552][ T8180]  do_syscall_64+0xfa/0x3b0
[  612.761568][ T8180]  ? lockdep_hardirqs_on+0x9c/0x150
[  612.761591][ T8180]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.761609][ T8180]  ? clear_bhb_loop+0x60/0xb0
[  612.761631][ T8180]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.761648][ T8180] RIP: 0033:0x7f4960b68569
[  612.761664][ T8180] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  612.761685][ T8180] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.761705][ T8180] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  612.761719][ T8180] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  612.761730][ T8180] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  612.761748][ T8180] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  612.761759][ T8180] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  612.761790][ T8180]  </TASK>
[  612.926880][ T8180] block nbd0: shutting down sockets
[  613.090480][ T8182] FAULT_INJECTION: forcing a failure.
[  613.090480][ T8182] name failslab, interval 1, probability 0, space 0, times 0
[  613.090514][ T8182] CPU: 0 UID: 0 PID: 8182 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  613.090537][ T8182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  613.090548][ T8182] Call Trace:
[  613.090556][ T8182]  <TASK>
[  613.090565][ T8182]  dump_stack_lvl+0x189/0x250
[  613.090595][ T8182]  ? __pfx____ratelimit+0x10/0x10
[  613.090622][ T8182]  ? __pfx_dump_stack_lvl+0x10/0x10
[  613.090647][ T8182]  ? __pfx__printk+0x10/0x10
[  613.090673][ T8182]  ? __pfx___might_resched+0x10/0x10
[  613.090693][ T8182]  ? fs_reclaim_acquire+0x7d/0x100
[  613.090715][ T8182]  should_fail_ex+0x46c/0x600
[  613.090743][ T8182]  ? __d_alloc+0x36/0x7b0
[  613.090759][ T8182]  should_failslab+0xa8/0x100
[  613.090784][ T8182]  ? __d_alloc+0x36/0x7b0
[  613.090798][ T8182]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  613.090829][ T8182]  __d_alloc+0x36/0x7b0
[  613.090852][ T8182]  d_alloc_parallel+0xe5/0x1600
[  613.090881][ T8182]  ? rtlock_slowlock_locked+0xd8/0x4010
[  613.090914][ T8182]  ? __pfx_d_alloc_parallel+0x10/0x10
[  613.090939][ T8182]  ? __rt_spin_lock_init+0x3e/0x50
[  613.090961][ T8182]  ? __init_waitqueue_head+0xae/0x160
[  613.090994][ T8182]  __lookup_slow+0x11c/0x3d0
[  613.091016][ T8182]  ? __pfx___lookup_slow+0x10/0x10
[  613.091049][ T8182]  ? lookup_noperm_common+0x241/0x430
[  613.091071][ T8182]  ? d_lookup+0xaa/0xc0
[  613.091090][ T8182]  ? lookup_noperm+0x111/0x240
[  613.091111][ T8182]  simple_start_creating+0xfd/0x1e0
[  613.091137][ T8182]  ? __pfx_simple_start_creating+0x10/0x10
[  613.091162][ T8182]  ? mntput+0x65/0xc0
[  613.091188][ T8182]  start_creating+0x10f/0x180
[  613.091215][ T8182]  __debugfs_create_file+0x79/0x4f0
[  613.091243][ T8182]  debugfs_create_file_unsafe+0x3a/0x50
[  613.091270][ T8182]  nbd_start_device+0x3b8/0xb20
[  613.091301][ T8182]  ? nbd_ioctl+0x131/0xec0
[  613.091329][ T8182]  nbd_ioctl+0x637/0xec0
[  613.091359][ T8182]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.091381][ T8182]  ? __asan_memset+0x22/0x50
[  613.091399][ T8182]  ? smack_file_ioctl+0x24d/0x340
[  613.091422][ T8182]  ? __pfx_smack_file_ioctl+0x10/0x10
[  613.091444][ T8182]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.091469][ T8182]  blkdev_ioctl+0x5a8/0x6d0
[  613.091493][ T8182]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.091511][ T8182]  ? __fget_files+0x2a/0x420
[  613.091539][ T8182]  ? bpf_lsm_file_ioctl+0x9/0x20
[  613.091559][ T8182]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.091579][ T8182]  __se_sys_ioctl+0xff/0x170
[  613.091601][ T8182]  do_syscall_64+0xfa/0x3b0
[  613.091616][ T8182]  ? lockdep_hardirqs_on+0x9c/0x150
[  613.091640][ T8182]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.091658][ T8182]  ? clear_bhb_loop+0x60/0xb0
[  613.091681][ T8182]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.091698][ T8182] RIP: 0033:0x7f4960b68569
[  613.091715][ T8182] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  613.091730][ T8182] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.091754][ T8182] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  613.091767][ T8182] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  613.091779][ T8182] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  613.091792][ T8182] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  613.091804][ T8182] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  613.091834][ T8182]  </TASK>
[  613.257167][ T8182] block nbd0: shutting down sockets
[  613.430381][ T8184] FAULT_INJECTION: forcing a failure.
[  613.430381][ T8184] name failslab, interval 1, probability 0, space 0, times 0
[  613.430413][ T8184] CPU: 0 UID: 0 PID: 8184 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  613.430433][ T8184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  613.430444][ T8184] Call Trace:
[  613.430451][ T8184]  <TASK>
[  613.430460][ T8184]  dump_stack_lvl+0x189/0x250
[  613.430490][ T8184]  ? __pfx____ratelimit+0x10/0x10
[  613.430516][ T8184]  ? __pfx_dump_stack_lvl+0x10/0x10
[  613.430542][ T8184]  ? __pfx__printk+0x10/0x10
[  613.430583][ T8184]  ? __pfx___might_resched+0x10/0x10
[  613.430603][ T8184]  ? fs_reclaim_acquire+0x7d/0x100
[  613.430626][ T8184]  should_fail_ex+0x46c/0x600
[  613.430655][ T8184]  ? __d_alloc+0x36/0x7b0
[  613.430671][ T8184]  should_failslab+0xa8/0x100
[  613.430702][ T8184]  ? __d_alloc+0x36/0x7b0
[  613.430717][ T8184]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  613.430748][ T8184]  __d_alloc+0x36/0x7b0
[  613.430771][ T8184]  d_alloc_parallel+0xe5/0x1600
[  613.430801][ T8184]  ? rtlock_slowlock_locked+0xd8/0x4010
[  613.430834][ T8184]  ? __pfx_d_alloc_parallel+0x10/0x10
[  613.430859][ T8184]  ? __rt_spin_lock_init+0x3e/0x50
[  613.430879][ T8184]  ? __init_waitqueue_head+0xae/0x160
[  613.430907][ T8184]  __lookup_slow+0x11c/0x3d0
[  613.430929][ T8184]  ? __pfx___lookup_slow+0x10/0x10
[  613.430967][ T8184]  ? lookup_noperm_common+0x241/0x430
[  613.430990][ T8184]  ? d_lookup+0xaa/0xc0
[  613.431008][ T8184]  ? lookup_noperm+0x111/0x240
[  613.431031][ T8184]  simple_start_creating+0xfd/0x1e0
[  613.431055][ T8184]  ? __pfx_simple_start_creating+0x10/0x10
[  613.431081][ T8184]  ? mntput+0x65/0xc0
[  613.431107][ T8184]  start_creating+0x10f/0x180
[  613.431133][ T8184]  __debugfs_create_file+0x79/0x4f0
[  613.431162][ T8184]  debugfs_create_file_unsafe+0x3a/0x50
[  613.431189][ T8184]  nbd_start_device+0x3b8/0xb20
[  613.431219][ T8184]  ? nbd_ioctl+0x131/0xec0
[  613.431247][ T8184]  nbd_ioctl+0x637/0xec0
[  613.431276][ T8184]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.431298][ T8184]  ? __asan_memset+0x22/0x50
[  613.431317][ T8184]  ? smack_file_ioctl+0x24d/0x340
[  613.431340][ T8184]  ? __pfx_smack_file_ioctl+0x10/0x10
[  613.431361][ T8184]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.431387][ T8184]  blkdev_ioctl+0x5a8/0x6d0
[  613.431411][ T8184]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.431428][ T8184]  ? __fget_files+0x2a/0x420
[  613.431460][ T8184]  ? bpf_lsm_file_ioctl+0x9/0x20
[  613.431481][ T8184]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.431501][ T8184]  __se_sys_ioctl+0xff/0x170
[  613.431524][ T8184]  do_syscall_64+0xfa/0x3b0
[  613.431540][ T8184]  ? lockdep_hardirqs_on+0x9c/0x150
[  613.431563][ T8184]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.431582][ T8184]  ? clear_bhb_loop+0x60/0xb0
[  613.431604][ T8184]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.431622][ T8184] RIP: 0033:0x7f4960b68569
[  613.431639][ T8184] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  613.431655][ T8184] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.431674][ T8184] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  613.431688][ T8184] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  613.431699][ T8184] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  613.431712][ T8184] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  613.431724][ T8184] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  613.431759][ T8184]  </TASK>
[  613.596331][ T8184] block nbd0: shutting down sockets
[  613.752698][ T8186] FAULT_INJECTION: forcing a failure.
[  613.752698][ T8186] name failslab, interval 1, probability 0, space 0, times 0
[  613.752731][ T8186] CPU: 0 UID: 0 PID: 8186 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  613.752753][ T8186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  613.752764][ T8186] Call Trace:
[  613.752773][ T8186]  <TASK>
[  613.752780][ T8186]  dump_stack_lvl+0x189/0x250
[  613.752810][ T8186]  ? __pfx____ratelimit+0x10/0x10
[  613.752844][ T8186]  ? __pfx_dump_stack_lvl+0x10/0x10
[  613.752868][ T8186]  ? __pfx__printk+0x10/0x10
[  613.752895][ T8186]  ? __pfx___might_resched+0x10/0x10
[  613.752914][ T8186]  ? fs_reclaim_acquire+0x7d/0x100
[  613.752937][ T8186]  should_fail_ex+0x46c/0x600
[  613.752966][ T8186]  ? __d_alloc+0x36/0x7b0
[  613.752982][ T8186]  should_failslab+0xa8/0x100
[  613.753006][ T8186]  ? __d_alloc+0x36/0x7b0
[  613.753020][ T8186]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  613.753050][ T8186]  __d_alloc+0x36/0x7b0
[  613.753074][ T8186]  d_alloc_parallel+0xe5/0x1600
[  613.753103][ T8186]  ? rtlock_slowlock_locked+0xd8/0x4010
[  613.753136][ T8186]  ? __pfx_d_alloc_parallel+0x10/0x10
[  613.753161][ T8186]  ? __rt_spin_lock_init+0x3e/0x50
[  613.753182][ T8186]  ? __init_waitqueue_head+0xae/0x160
[  613.753209][ T8186]  __lookup_slow+0x11c/0x3d0
[  613.753230][ T8186]  ? __pfx___lookup_slow+0x10/0x10
[  613.753263][ T8186]  ? lookup_noperm_common+0x241/0x430
[  613.753286][ T8186]  ? d_lookup+0xaa/0xc0
[  613.753304][ T8186]  ? lookup_noperm+0x111/0x240
[  613.753326][ T8186]  simple_start_creating+0xfd/0x1e0
[  613.753351][ T8186]  ? __pfx_simple_start_creating+0x10/0x10
[  613.753377][ T8186]  ? mntput+0x65/0xc0
[  613.753402][ T8186]  start_creating+0x10f/0x180
[  613.753428][ T8186]  __debugfs_create_file+0x79/0x4f0
[  613.753457][ T8186]  debugfs_create_file_unsafe+0x3a/0x50
[  613.753483][ T8186]  nbd_start_device+0x3b8/0xb20
[  613.753514][ T8186]  ? nbd_ioctl+0x131/0xec0
[  613.753545][ T8186]  nbd_ioctl+0x637/0xec0
[  613.753575][ T8186]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.753594][ T8186]  ? __asan_memset+0x22/0x50
[  613.753612][ T8186]  ? smack_file_ioctl+0x24d/0x340
[  613.753636][ T8186]  ? __pfx_smack_file_ioctl+0x10/0x10
[  613.753658][ T8186]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.753684][ T8186]  blkdev_ioctl+0x5a8/0x6d0
[  613.753708][ T8186]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.753725][ T8186]  ? __fget_files+0x2a/0x420
[  613.753753][ T8186]  ? bpf_lsm_file_ioctl+0x9/0x20
[  613.753771][ T8186]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.753791][ T8186]  __se_sys_ioctl+0xff/0x170
[  613.753813][ T8186]  do_syscall_64+0xfa/0x3b0
[  613.753829][ T8186]  ? lockdep_hardirqs_on+0x9c/0x150
[  613.753859][ T8186]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.753877][ T8186]  ? clear_bhb_loop+0x60/0xb0
[  613.753899][ T8186]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.753916][ T8186] RIP: 0033:0x7f4960b68569
[  613.753933][ T8186] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  613.753949][ T8186] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.753969][ T8186] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  613.753983][ T8186] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  613.753994][ T8186] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  613.754007][ T8186] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  613.754019][ T8186] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  613.754049][ T8186]  </TASK>
[  613.918670][ T8186] block nbd0: shutting down sockets
[  614.080389][ T8188] FAULT_INJECTION: forcing a failure.
[  614.080389][ T8188] name failslab, interval 1, probability 0, space 0, times 0
[  614.080422][ T8188] CPU: 0 UID: 0 PID: 8188 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  614.080444][ T8188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  614.080455][ T8188] Call Trace:
[  614.080463][ T8188]  <TASK>
[  614.080471][ T8188]  dump_stack_lvl+0x189/0x250
[  614.080502][ T8188]  ? __pfx____ratelimit+0x10/0x10
[  614.080528][ T8188]  ? __pfx_dump_stack_lvl+0x10/0x10
[  614.080552][ T8188]  ? __pfx__printk+0x10/0x10
[  614.080578][ T8188]  ? __pfx___might_resched+0x10/0x10
[  614.080611][ T8188]  ? fs_reclaim_acquire+0x7d/0x100
[  614.080632][ T8188]  should_fail_ex+0x46c/0x600
[  614.080662][ T8188]  ? __d_alloc+0x36/0x7b0
[  614.080678][ T8188]  should_failslab+0xa8/0x100
[  614.080701][ T8188]  ? __d_alloc+0x36/0x7b0
[  614.080719][ T8188]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  614.080749][ T8188]  __d_alloc+0x36/0x7b0
[  614.080772][ T8188]  d_alloc_parallel+0xe5/0x1600
[  614.080802][ T8188]  ? rtlock_slowlock_locked+0xd8/0x4010
[  614.080833][ T8188]  ? __pfx_d_alloc_parallel+0x10/0x10
[  614.080858][ T8188]  ? __rt_spin_lock_init+0x3e/0x50
[  614.080879][ T8188]  ? __init_waitqueue_head+0xae/0x160
[  614.080905][ T8188]  __lookup_slow+0x11c/0x3d0
[  614.080927][ T8188]  ? __pfx___lookup_slow+0x10/0x10
[  614.080960][ T8188]  ? lookup_noperm_common+0x241/0x430
[  614.080983][ T8188]  ? d_lookup+0xaa/0xc0
[  614.081001][ T8188]  ? lookup_noperm+0x111/0x240
[  614.081022][ T8188]  simple_start_creating+0xfd/0x1e0
[  614.081047][ T8188]  ? __pfx_simple_start_creating+0x10/0x10
[  614.081073][ T8188]  ? mntput+0x65/0xc0
[  614.081099][ T8188]  start_creating+0x10f/0x180
[  614.081123][ T8188]  __debugfs_create_file+0x79/0x4f0
[  614.081151][ T8188]  debugfs_create_file_unsafe+0x3a/0x50
[  614.081178][ T8188]  nbd_start_device+0x3b8/0xb20
[  614.081208][ T8188]  ? nbd_ioctl+0x131/0xec0
[  614.081235][ T8188]  nbd_ioctl+0x637/0xec0
[  614.081265][ T8188]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.081287][ T8188]  ? __asan_memset+0x22/0x50
[  614.081305][ T8188]  ? smack_file_ioctl+0x24d/0x340
[  614.081327][ T8188]  ? __pfx_smack_file_ioctl+0x10/0x10
[  614.081349][ T8188]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.081375][ T8188]  blkdev_ioctl+0x5a8/0x6d0
[  614.081398][ T8188]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.081416][ T8188]  ? __fget_files+0x2a/0x420
[  614.081442][ T8188]  ? bpf_lsm_file_ioctl+0x9/0x20
[  614.081463][ T8188]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.081483][ T8188]  __se_sys_ioctl+0xff/0x170
[  614.081506][ T8188]  do_syscall_64+0xfa/0x3b0
[  614.081521][ T8188]  ? lockdep_hardirqs_on+0x9c/0x150
[  614.081545][ T8188]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.081563][ T8188]  ? clear_bhb_loop+0x60/0xb0
[  614.081592][ T8188]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.081608][ T8188] RIP: 0033:0x7f4960b68569
[  614.081625][ T8188] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  614.081641][ T8188] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.081662][ T8188] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  614.081676][ T8188] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  614.081687][ T8188] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  614.081700][ T8188] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  614.081712][ T8188] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  614.081747][ T8188]  </TASK>
[  614.246117][ T8188] block nbd0: shutting down sockets
[  614.412909][ T8190] FAULT_INJECTION: forcing a failure.
[  614.412909][ T8190] name failslab, interval 1, probability 0, space 0, times 0
[  614.412943][ T8190] CPU: 0 UID: 0 PID: 8190 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  614.412965][ T8190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  614.412977][ T8190] Call Trace:
[  614.412986][ T8190]  <TASK>
[  614.412993][ T8190]  dump_stack_lvl+0x189/0x250
[  614.413024][ T8190]  ? __pfx____ratelimit+0x10/0x10
[  614.413050][ T8190]  ? __pfx_dump_stack_lvl+0x10/0x10
[  614.413074][ T8190]  ? __pfx__printk+0x10/0x10
[  614.413100][ T8190]  ? __pfx___might_resched+0x10/0x10
[  614.413119][ T8190]  ? fs_reclaim_acquire+0x7d/0x100
[  614.413141][ T8190]  should_fail_ex+0x46c/0x600
[  614.413170][ T8190]  ? __d_alloc+0x36/0x7b0
[  614.413186][ T8190]  should_failslab+0xa8/0x100
[  614.413211][ T8190]  ? __d_alloc+0x36/0x7b0
[  614.413225][ T8190]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  614.413255][ T8190]  __d_alloc+0x36/0x7b0
[  614.413279][ T8190]  d_alloc_parallel+0xe5/0x1600
[  614.413308][ T8190]  ? rtlock_slowlock_locked+0xd8/0x4010
[  614.413340][ T8190]  ? __pfx_d_alloc_parallel+0x10/0x10
[  614.413365][ T8190]  ? __rt_spin_lock_init+0x3e/0x50
[  614.413386][ T8190]  ? __init_waitqueue_head+0xae/0x160
[  614.413413][ T8190]  __lookup_slow+0x11c/0x3d0
[  614.413435][ T8190]  ? __pfx___lookup_slow+0x10/0x10
[  614.413468][ T8190]  ? lookup_noperm_common+0x241/0x430
[  614.413490][ T8190]  ? d_lookup+0xaa/0xc0
[  614.413509][ T8190]  ? lookup_noperm+0x111/0x240
[  614.413531][ T8190]  simple_start_creating+0xfd/0x1e0
[  614.413555][ T8190]  ? __pfx_simple_start_creating+0x10/0x10
[  614.413581][ T8190]  ? mntput+0x65/0xc0
[  614.413611][ T8190]  start_creating+0x10f/0x180
[  614.413636][ T8190]  __debugfs_create_file+0x79/0x4f0
[  614.413665][ T8190]  debugfs_create_file_unsafe+0x3a/0x50
[  614.413693][ T8190]  nbd_start_device+0x3b8/0xb20
[  614.413722][ T8190]  ? nbd_ioctl+0x131/0xec0
[  614.413750][ T8190]  nbd_ioctl+0x637/0xec0
[  614.413780][ T8190]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.413808][ T8190]  ? __asan_memset+0x22/0x50
[  614.413826][ T8190]  ? smack_file_ioctl+0x24d/0x340
[  614.413850][ T8190]  ? __pfx_smack_file_ioctl+0x10/0x10
[  614.413872][ T8190]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.413898][ T8190]  blkdev_ioctl+0x5a8/0x6d0
[  614.413922][ T8190]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.413940][ T8190]  ? __fget_files+0x2a/0x420
[  614.413967][ T8190]  ? bpf_lsm_file_ioctl+0x9/0x20
[  614.413987][ T8190]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.414008][ T8190]  __se_sys_ioctl+0xff/0x170
[  614.414030][ T8190]  do_syscall_64+0xfa/0x3b0
[  614.414046][ T8190]  ? lockdep_hardirqs_on+0x9c/0x150
[  614.414071][ T8190]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.414090][ T8190]  ? clear_bhb_loop+0x60/0xb0
[  614.414111][ T8190]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.414128][ T8190] RIP: 0033:0x7f4960b68569
[  614.414146][ T8190] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  614.414161][ T8190] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.414181][ T8190] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  614.414195][ T8190] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  614.414207][ T8190] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  614.414220][ T8190] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  614.414232][ T8190] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  614.414262][ T8190]  </TASK>
[  614.578120][ T8190] block nbd0: shutting down sockets
[  614.730351][ T8192] FAULT_INJECTION: forcing a failure.
[  614.730351][ T8192] name failslab, interval 1, probability 0, space 0, times 0
[  614.730384][ T8192] CPU: 0 UID: 0 PID: 8192 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  614.730406][ T8192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  614.730416][ T8192] Call Trace:
[  614.730424][ T8192]  <TASK>
[  614.730431][ T8192]  dump_stack_lvl+0x189/0x250
[  614.730462][ T8192]  ? __pfx____ratelimit+0x10/0x10
[  614.730487][ T8192]  ? __pfx_dump_stack_lvl+0x10/0x10
[  614.730520][ T8192]  ? __pfx__printk+0x10/0x10
[  614.730545][ T8192]  ? __pfx___might_resched+0x10/0x10
[  614.730566][ T8192]  ? fs_reclaim_acquire+0x7d/0x100
[  614.730588][ T8192]  should_fail_ex+0x46c/0x600
[  614.730617][ T8192]  ? __d_alloc+0x36/0x7b0
[  614.730633][ T8192]  should_failslab+0xa8/0x100
[  614.730658][ T8192]  ? __d_alloc+0x36/0x7b0
[  614.730672][ T8192]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  614.730703][ T8192]  __d_alloc+0x36/0x7b0
[  614.730726][ T8192]  d_alloc_parallel+0xe5/0x1600
[  614.730755][ T8192]  ? rtlock_slowlock_locked+0xd8/0x4010
[  614.730787][ T8192]  ? __pfx_d_alloc_parallel+0x10/0x10
[  614.730812][ T8192]  ? __rt_spin_lock_init+0x3e/0x50
[  614.730833][ T8192]  ? __init_waitqueue_head+0xae/0x160
[  614.730859][ T8192]  __lookup_slow+0x11c/0x3d0
[  614.730882][ T8192]  ? __pfx___lookup_slow+0x10/0x10
[  614.730914][ T8192]  ? lookup_noperm_common+0x241/0x430
[  614.730936][ T8192]  ? d_lookup+0xaa/0xc0
[  614.730955][ T8192]  ? lookup_noperm+0x111/0x240
[  614.730977][ T8192]  simple_start_creating+0xfd/0x1e0
[  614.731002][ T8192]  ? __pfx_simple_start_creating+0x10/0x10
[  614.731027][ T8192]  ? mntput+0x65/0xc0
[  614.731053][ T8192]  start_creating+0x10f/0x180
[  614.731079][ T8192]  __debugfs_create_file+0x79/0x4f0
[  614.731107][ T8192]  debugfs_create_file_unsafe+0x3a/0x50
[  614.731134][ T8192]  nbd_start_device+0x3b8/0xb20
[  614.731164][ T8192]  ? nbd_ioctl+0x131/0xec0
[  614.731191][ T8192]  nbd_ioctl+0x637/0xec0
[  614.731221][ T8192]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.731243][ T8192]  ? __asan_memset+0x22/0x50
[  614.731262][ T8192]  ? smack_file_ioctl+0x24d/0x340
[  614.731285][ T8192]  ? __pfx_smack_file_ioctl+0x10/0x10
[  614.731307][ T8192]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.731332][ T8192]  blkdev_ioctl+0x5a8/0x6d0
[  614.731356][ T8192]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.731373][ T8192]  ? __fget_files+0x2a/0x420
[  614.731401][ T8192]  ? bpf_lsm_file_ioctl+0x9/0x20
[  614.731420][ T8192]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.731440][ T8192]  __se_sys_ioctl+0xff/0x170
[  614.731463][ T8192]  do_syscall_64+0xfa/0x3b0
[  614.731479][ T8192]  ? lockdep_hardirqs_on+0x9c/0x150
[  614.731507][ T8192]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.731525][ T8192]  ? clear_bhb_loop+0x60/0xb0
[  614.731548][ T8192]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.731565][ T8192] RIP: 0033:0x7f4960b68569
[  614.731582][ T8192] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  614.731597][ T8192] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.731617][ T8192] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  614.731631][ T8192] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  614.731643][ T8192] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  614.731656][ T8192] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  614.731668][ T8192] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  614.731698][ T8192]  </TASK>
[  614.895736][ T8192] block nbd0: shutting down sockets
[  615.060321][ T8194] FAULT_INJECTION: forcing a failure.
[  615.060321][ T8194] name failslab, interval 1, probability 0, space 0, times 0
[  615.060353][ T8194] CPU: 0 UID: 0 PID: 8194 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  615.060375][ T8194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  615.060387][ T8194] Call Trace:
[  615.060394][ T8194]  <TASK>
[  615.060402][ T8194]  dump_stack_lvl+0x189/0x250
[  615.060431][ T8194]  ? __pfx____ratelimit+0x10/0x10
[  615.060456][ T8194]  ? __pfx_dump_stack_lvl+0x10/0x10
[  615.060481][ T8194]  ? __pfx__printk+0x10/0x10
[  615.060506][ T8194]  ? __pfx___might_resched+0x10/0x10
[  615.060526][ T8194]  ? fs_reclaim_acquire+0x7d/0x100
[  615.060549][ T8194]  should_fail_ex+0x46c/0x600
[  615.060578][ T8194]  ? __d_alloc+0x36/0x7b0
[  615.060594][ T8194]  should_failslab+0xa8/0x100
[  615.060618][ T8194]  ? __d_alloc+0x36/0x7b0
[  615.060633][ T8194]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  615.060663][ T8194]  __d_alloc+0x36/0x7b0
[  615.060693][ T8194]  d_alloc_parallel+0xe5/0x1600
[  615.060723][ T8194]  ? rtlock_slowlock_locked+0xd8/0x4010
[  615.060755][ T8194]  ? __pfx_d_alloc_parallel+0x10/0x10
[  615.060780][ T8194]  ? __rt_spin_lock_init+0x3e/0x50
[  615.060801][ T8194]  ? __init_waitqueue_head+0xae/0x160
[  615.060828][ T8194]  __lookup_slow+0x11c/0x3d0
[  615.060851][ T8194]  ? __pfx___lookup_slow+0x10/0x10
[  615.060884][ T8194]  ? lookup_noperm_common+0x241/0x430
[  615.060907][ T8194]  ? d_lookup+0xaa/0xc0
[  615.060925][ T8194]  ? lookup_noperm+0x111/0x240
[  615.060948][ T8194]  simple_start_creating+0xfd/0x1e0
[  615.060973][ T8194]  ? __pfx_simple_start_creating+0x10/0x10
[  615.060999][ T8194]  ? mntput+0x65/0xc0
[  615.061024][ T8194]  start_creating+0x10f/0x180
[  615.061050][ T8194]  __debugfs_create_file+0x79/0x4f0
[  615.061079][ T8194]  debugfs_create_file_unsafe+0x3a/0x50
[  615.061106][ T8194]  nbd_start_device+0x3b8/0xb20
[  615.061136][ T8194]  ? nbd_ioctl+0x131/0xec0
[  615.061163][ T8194]  nbd_ioctl+0x637/0xec0
[  615.061193][ T8194]  ? __pfx_nbd_ioctl+0x10/0x10
[  615.061215][ T8194]  ? __asan_memset+0x22/0x50
[  615.061234][ T8194]  ? smack_file_ioctl+0x24d/0x340
[  615.061256][ T8194]  ? __pfx_smack_file_ioctl+0x10/0x10
[  615.061278][ T8194]  ? __pfx_nbd_ioctl+0x10/0x10
[  615.061304][ T8194]  blkdev_ioctl+0x5a8/0x6d0
[  615.061327][ T8194]  ? __pfx_blkdev_ioctl+0x10/0x10
[  615.061345][ T8194]  ? __fget_files+0x2a/0x420
[  615.061372][ T8194]  ? bpf_lsm_file_ioctl+0x9/0x20
[  615.061391][ T8194]  ? __pfx_blkdev_ioctl+0x10/0x10
[  615.061411][ T8194]  __se_sys_ioctl+0xff/0x170
[  615.061433][ T8194]  do_syscall_64+0xfa/0x3b0
[  615.061450][ T8194]  ? lockdep_hardirqs_on+0x9c/0x150
[  615.061473][ T8194]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.061491][ T8194]  ? clear_bhb_loop+0x60/0xb0
[  615.061513][ T8194]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.061531][ T8194] RIP: 0033:0x7f4960b68569
[  615.061547][ T8194] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  615.061562][ T8194] RSP: 002b:00007f4960b1e208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  615.061582][ T8194] RAX: ffffffffffffffda RBX: 00007f4960bef408 RCX: 00007f4960b68569
[  615.061595][ T8194] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  615.061607][ T8194] RBP: 00007f4960bef400 R08: 00007f4960b1dfa6 R09: 0000000000003331
[  615.061620][ T8194] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4960bbc194
[  615.061632][ T8194] R13: 00007f4960b1e210 R14: 0000000000000002 R15: 64626e2f7665642f
[  615.061661][ T8194]  </TASK>
[  615.227391][ T8194] block nbd0: shutting down sockets
[  615.381858][ T8196] FAULT_INJECTION: forcing a failure.
[  615.381858][ T8196] name failslab, interval 1, probability 0, space 0, times 0
[  615.381892][ T8196] CPU: 0 UID: 0 PID: 8196 Comm: syz-executor109 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  615.381914][ T8196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  615.381926][ T8196] Call Trace:
[  615.381934][ T8196]  <TASK>
[  615.381941][ T8196]  dump_stack_lvl+0x189/0x250
[  615.381971][ T8196]  ? __pfx____ratelimit+0x10/0x10
[  615.381997][ T8196]  ? __pfx_dump_stack_lvl+0x10/0x10
[  615.382021][ T8196]  ? __pfx__printk+0x10/0x10
[  615.382047][ T8196]  ? __pfx___might_resched+0x10/0x10
[  615.382067][ T8196]  ? fs_reclaim_acquire+0x7d/0x100
[  615.382089][ T8196]  should_fail_ex+0x46c/0x600
[  615.382117][ T8196]  ? __d_alloc+0x36/0x7b0
[  615.382133][ T8196]  should_failslab+0xa8/0x100
[  615.382158][ T8196]  ? __d_alloc+0x36/0x7b0
[  615.382173][ T8196]  kmem_cache_alloc_lru_noprof+0x73/0x310
[  615.382203][ T8196]  __d_alloc+0x36/0x7b0