10
[  586.115915][ T7636]  nbd_ioctl+0x636/0xeb0
[  586.115936][ T7636]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.115962][ T7636]  ? __pfx_nbd_ioctl+0x10/0x10
[  586.115994][ T7636]  ? __pfx_nbd_ioctl+0x10/0x10
[  586.116016][ T7636]  blkdev_ioctl+0x5a8/0x6d0
[  586.116038][ T7636]  ? __pfx_blkdev_ioctl+0x10/0x10
[  586.116056][ T7636]  ? __fget_files+0x2a/0x420
[  586.116076][ T7636]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.116097][ T7636]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.116120][ T7636]  ? __pfx_blkdev_ioctl+0x10/0x10
[  586.116140][ T7636]  __se_sys_ioctl+0xfc/0x170
[  586.116166][ T7636]  do_syscall_64+0xfa/0x3b0
[  586.116186][ T7636]  ? lockdep_hardirqs_on+0x9c/0x150
[  586.116205][ T7636]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  586.116223][ T7636]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.116244][ T7636]  ? exc_page_fault+0x9f/0xf0
[  586.116268][ T7636]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  586.116293][ T7636] RIP: 0033:0x7f2807621569
[  586.116316][ T7636] 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
[  586.116338][ T7636] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.116365][ T7636] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  586.116380][ T7636] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  586.116393][ T7636] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  586.116406][ T7636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  586.116419][ T7636] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  586.116448][ T7636]  </TASK>
[  586.442127][ T7636] block nbd0: shutting down sockets
[  586.491890][ T7638] block nbd0: Device being setup by another task
[  586.551765][ T7638] block nbd0: Device being setup by another task
[  586.652897][ T7641] FAULT_INJECTION: forcing a failure.
[  586.652897][ T7641] name failslab, interval 1, probability 0, space 0, times 0
[  586.665771][ T7641] CPU: 1 UID: 0 PID: 7641 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  586.665806][ T7641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  586.665819][ T7641] Call Trace:
[  586.665827][ T7641]  <TASK>
[  586.665835][ T7641]  dump_stack_lvl+0x189/0x250
[  586.665864][ T7641]  ? __pfx____ratelimit+0x10/0x10
[  586.665891][ T7641]  ? __pfx_dump_stack_lvl+0x10/0x10
[  586.665931][ T7641]  ? __pfx__printk+0x10/0x10
[  586.665972][ T7641]  ? __pfx___might_resched+0x10/0x10
[  586.665997][ T7641]  should_fail_ex+0x414/0x560
[  586.666031][ T7641]  ? sbitmap_init_node+0x2c9/0x630
[  586.666050][ T7641]  should_failslab+0xa8/0x100
[  586.666080][ T7641]  __kvmalloc_node_noprof+0x161/0x5f0
[  586.666109][ T7641]  ? sbitmap_init_node+0x2c9/0x630
[  586.666135][ T7641]  sbitmap_init_node+0x2c9/0x630
[  586.666164][ T7641]  sbitmap_queue_init_node+0x3e/0x4d0
[  586.666190][ T7641]  blk_mq_init_tags+0x110/0x280
[  586.666222][ T7641]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  586.666258][ T7641]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  586.666286][ T7641]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  586.666307][ T7641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.666329][ T7641]  ? __raw_spin_lock_init+0x45/0x100
[  586.666355][ T7641]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  586.666381][ T7641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.666415][ T7641]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  586.666458][ T7641]  ? __pfx___mutex_lock+0x10/0x10
[  586.666485][ T7641]  nbd_start_device+0x17f/0xb10
[  586.666517][ T7641]  nbd_ioctl+0x636/0xeb0
[  586.666537][ T7641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.666563][ T7641]  ? __pfx_nbd_ioctl+0x10/0x10
[  586.666595][ T7641]  ? __pfx_nbd_ioctl+0x10/0x10
[  586.666617][ T7641]  blkdev_ioctl+0x5a8/0x6d0
[  586.666639][ T7641]  ? __pfx_blkdev_ioctl+0x10/0x10
[  586.666658][ T7641]  ? __fget_files+0x2a/0x420
[  586.666679][ T7641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.666700][ T7641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.666722][ T7641]  ? __pfx_blkdev_ioctl+0x10/0x10
[  586.666742][ T7641]  __se_sys_ioctl+0xfc/0x170
[  586.666769][ T7641]  do_syscall_64+0xfa/0x3b0
[  586.666789][ T7641]  ? lockdep_hardirqs_on+0x9c/0x150
[  586.666808][ T7641]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  586.666826][ T7641]  ? srso_alias_return_thunk+0x5/0xfbef5
[  586.666847][ T7641]  ? exc_page_fault+0x9f/0xf0
[  586.666867][ T7641]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  586.666886][ T7641] RIP: 0033:0x7f2807621569
[  586.666903][ T7641] 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
[  586.666923][ T7641] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.666944][ T7641] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  586.666958][ T7641] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  586.666970][ T7641] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  586.666988][ T7641] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  586.667006][ T7641] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  586.667047][ T7641]  </TASK>
[  587.100652][ T7641] block nbd0: shutting down sockets
[  587.213627][ T7643] FAULT_INJECTION: forcing a failure.
[  587.213627][ T7643] name failslab, interval 1, probability 0, space 0, times 0
[  587.226439][ T7643] CPU: 0 UID: 0 PID: 7643 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  587.226474][ T7643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  587.226490][ T7643] Call Trace:
[  587.226499][ T7643]  <TASK>
[  587.226508][ T7643]  dump_stack_lvl+0x189/0x250
[  587.226537][ T7643]  ? __pfx____ratelimit+0x10/0x10
[  587.226558][ T7643]  ? __pfx_dump_stack_lvl+0x10/0x10
[  587.226582][ T7643]  ? __pfx__printk+0x10/0x10
[  587.226614][ T7643]  ? __pfx___might_resched+0x10/0x10
[  587.226638][ T7643]  should_fail_ex+0x414/0x560
[  587.226673][ T7643]  ? sbitmap_init_node+0x2c9/0x630
[  587.226692][ T7643]  should_failslab+0xa8/0x100
[  587.226722][ T7643]  __kvmalloc_node_noprof+0x161/0x5f0
[  587.226751][ T7643]  ? sbitmap_init_node+0x2c9/0x630
[  587.226776][ T7643]  sbitmap_init_node+0x2c9/0x630
[  587.226806][ T7643]  sbitmap_queue_init_node+0x3e/0x4d0
[  587.226833][ T7643]  blk_mq_init_tags+0x110/0x280
[  587.226864][ T7643]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  587.226900][ T7643]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  587.226935][ T7643]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  587.226957][ T7643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.226979][ T7643]  ? __raw_spin_lock_init+0x45/0x100
[  587.227006][ T7643]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  587.227033][ T7643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.227068][ T7643]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  587.227111][ T7643]  ? __pfx___mutex_lock+0x10/0x10
[  587.227138][ T7643]  nbd_start_device+0x17f/0xb10
[  587.227171][ T7643]  nbd_ioctl+0x636/0xeb0
[  587.227192][ T7643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.227219][ T7643]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.227250][ T7643]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.227273][ T7643]  blkdev_ioctl+0x5a8/0x6d0
[  587.227296][ T7643]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.227315][ T7643]  ? __fget_files+0x2a/0x420
[  587.227335][ T7643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.227357][ T7643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.227380][ T7643]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.227401][ T7643]  __se_sys_ioctl+0xfc/0x170
[  587.227438][ T7643]  do_syscall_64+0xfa/0x3b0
[  587.227468][ T7643]  ? lockdep_hardirqs_on+0x9c/0x150
[  587.227493][ T7643]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.227511][ T7643]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.227533][ T7643]  ? exc_page_fault+0x9f/0xf0
[  587.227553][ T7643]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.227596][ T7643] RIP: 0033:0x7f2807621569
[  587.227615][ T7643] 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
[  587.227631][ T7643] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.227653][ T7643] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  587.227669][ T7643] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  587.227681][ T7643] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  587.227695][ T7643] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  587.227708][ T7643] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  587.227738][ T7643]  </TASK>
[  587.668189][ T7643] block nbd0: shutting down sockets
[  587.772500][ T7646] FAULT_INJECTION: forcing a failure.
[  587.772500][ T7646] name failslab, interval 1, probability 0, space 0, times 0
[  587.785266][ T7646] CPU: 0 UID: 0 PID: 7646 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  587.785296][ T7646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  587.785308][ T7646] Call Trace:
[  587.785316][ T7646]  <TASK>
[  587.785325][ T7646]  dump_stack_lvl+0x189/0x250
[  587.785354][ T7646]  ? __pfx____ratelimit+0x10/0x10
[  587.785374][ T7646]  ? __pfx_dump_stack_lvl+0x10/0x10
[  587.785398][ T7646]  ? __pfx__printk+0x10/0x10
[  587.785430][ T7646]  ? __pfx___might_resched+0x10/0x10
[  587.785454][ T7646]  should_fail_ex+0x414/0x560
[  587.785486][ T7646]  ? sbitmap_init_node+0x2c9/0x630
[  587.785506][ T7646]  should_failslab+0xa8/0x100
[  587.785536][ T7646]  __kvmalloc_node_noprof+0x161/0x5f0
[  587.785565][ T7646]  ? sbitmap_init_node+0x2c9/0x630
[  587.785591][ T7646]  sbitmap_init_node+0x2c9/0x630
[  587.785625][ T7646]  sbitmap_queue_init_node+0x3e/0x4d0
[  587.785652][ T7646]  blk_mq_init_tags+0x110/0x280
[  587.785683][ T7646]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  587.785719][ T7646]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  587.785747][ T7646]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  587.785769][ T7646]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.785790][ T7646]  ? __raw_spin_lock_init+0x45/0x100
[  587.785817][ T7646]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  587.785841][ T7646]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  587.785874][ T7646]  ? lockdep_hardirqs_on+0x9c/0x150
[  587.785906][ T7646]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  587.785965][ T7646]  ? __pfx___mutex_lock+0x10/0x10
[  587.786002][ T7646]  nbd_start_device+0x17f/0xb10
[  587.786043][ T7646]  nbd_ioctl+0x636/0xeb0
[  587.786064][ T7646]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.786091][ T7646]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.786123][ T7646]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.786146][ T7646]  blkdev_ioctl+0x5a8/0x6d0
[  587.786169][ T7646]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.786187][ T7646]  ? __fget_files+0x2a/0x420
[  587.786208][ T7646]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.786230][ T7646]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.786253][ T7646]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.786273][ T7646]  __se_sys_ioctl+0xfc/0x170
[  587.786300][ T7646]  do_syscall_64+0xfa/0x3b0
[  587.786321][ T7646]  ? lockdep_hardirqs_on+0x9c/0x150
[  587.786339][ T7646]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.786357][ T7646]  ? srso_alias_return_thunk+0x5/0xfbef5
[  587.786379][ T7646]  ? exc_page_fault+0x9f/0xf0
[  587.786399][ T7646]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.786418][ T7646] RIP: 0033:0x7f2807621569
[  587.786437][ T7646] 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
[  587.786454][ T7646] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.786474][ T7646] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  587.786489][ T7646] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  587.786501][ T7646] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  587.786514][ T7646] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  587.786527][ T7646] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  587.786556][ T7646]  </TASK>
[  588.232450][ T7646] block nbd0: shutting down sockets
[  588.332917][ T7648] FAULT_INJECTION: forcing a failure.
[  588.332917][ T7648] name failslab, interval 1, probability 0, space 0, times 0
[  588.345664][ T7648] CPU: 1 UID: 0 PID: 7648 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  588.345691][ T7648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  588.345705][ T7648] Call Trace:
[  588.345713][ T7648]  <TASK>
[  588.345722][ T7648]  dump_stack_lvl+0x189/0x250
[  588.345753][ T7648]  ? __pfx____ratelimit+0x10/0x10
[  588.345774][ T7648]  ? __pfx_dump_stack_lvl+0x10/0x10
[  588.345798][ T7648]  ? __pfx__printk+0x10/0x10
[  588.345831][ T7648]  ? __pfx___might_resched+0x10/0x10
[  588.345855][ T7648]  should_fail_ex+0x414/0x560
[  588.345890][ T7648]  ? sbitmap_init_node+0x2c9/0x630
[  588.345912][ T7648]  should_failslab+0xa8/0x100
[  588.345945][ T7648]  __kvmalloc_node_noprof+0x161/0x5f0
[  588.345975][ T7648]  ? sbitmap_init_node+0x2c9/0x630
[  588.346001][ T7648]  sbitmap_init_node+0x2c9/0x630
[  588.346031][ T7648]  sbitmap_queue_init_node+0x3e/0x4d0
[  588.346058][ T7648]  blk_mq_init_tags+0x110/0x280
[  588.346090][ T7648]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  588.346126][ T7648]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  588.346155][ T7648]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  588.346177][ T7648]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.346199][ T7648]  ? __raw_spin_lock_init+0x45/0x100
[  588.346226][ T7648]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  588.346259][ T7648]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.346308][ T7648]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  588.346358][ T7648]  ? __pfx___mutex_lock+0x10/0x10
[  588.346385][ T7648]  nbd_start_device+0x17f/0xb10
[  588.346418][ T7648]  nbd_ioctl+0x636/0xeb0
[  588.346440][ T7648]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.346466][ T7648]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.346498][ T7648]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.346520][ T7648]  blkdev_ioctl+0x5a8/0x6d0
[  588.346543][ T7648]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.346561][ T7648]  ? __fget_files+0x2a/0x420
[  588.346581][ T7648]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.346602][ T7648]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.346625][ T7648]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.346645][ T7648]  __se_sys_ioctl+0xfc/0x170
[  588.346679][ T7648]  do_syscall_64+0xfa/0x3b0
[  588.346699][ T7648]  ? lockdep_hardirqs_on+0x9c/0x150
[  588.346719][ T7648]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.346738][ T7648]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.346759][ T7648]  ? exc_page_fault+0x9f/0xf0
[  588.346780][ T7648]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.346799][ T7648] RIP: 0033:0x7f2807621569
[  588.346817][ T7648] 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
[  588.346834][ T7648] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.346855][ T7648] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  588.346870][ T7648] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  588.346882][ T7648] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  588.346895][ T7648] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  588.346909][ T7648] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  588.346938][ T7648]  </TASK>
[  588.682048][ T7648] block nbd0: shutting down sockets
[  588.793525][ T7650] FAULT_INJECTION: forcing a failure.
[  588.793525][ T7650] name failslab, interval 1, probability 0, space 0, times 0
[  588.806228][ T7650] CPU: 0 UID: 0 PID: 7650 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  588.806252][ T7650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  588.806264][ T7650] Call Trace:
[  588.806272][ T7650]  <TASK>
[  588.806280][ T7650]  dump_stack_lvl+0x189/0x250
[  588.806312][ T7650]  ? __pfx____ratelimit+0x10/0x10
[  588.806341][ T7650]  ? __pfx_dump_stack_lvl+0x10/0x10
[  588.806373][ T7650]  ? __pfx__printk+0x10/0x10
[  588.806408][ T7650]  ? __pfx___might_resched+0x10/0x10
[  588.806432][ T7650]  should_fail_ex+0x414/0x560
[  588.806464][ T7650]  ? sbitmap_init_node+0x2c9/0x630
[  588.806483][ T7650]  should_failslab+0xa8/0x100
[  588.806514][ T7650]  __kvmalloc_node_noprof+0x161/0x5f0
[  588.806542][ T7650]  ? sbitmap_init_node+0x2c9/0x630
[  588.806567][ T7650]  sbitmap_init_node+0x2c9/0x630
[  588.806596][ T7650]  sbitmap_queue_init_node+0x3e/0x4d0
[  588.806622][ T7650]  blk_mq_init_tags+0x110/0x280
[  588.806658][ T7650]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  588.806693][ T7650]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  588.806721][ T7650]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  588.806742][ T7650]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.806763][ T7650]  ? __raw_spin_lock_init+0x45/0x100
[  588.806789][ T7650]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  588.806815][ T7650]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.806850][ T7650]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  588.806892][ T7650]  ? __pfx___mutex_lock+0x10/0x10
[  588.806921][ T7650]  nbd_start_device+0x17f/0xb10
[  588.806952][ T7650]  nbd_ioctl+0x636/0xeb0
[  588.806972][ T7650]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.806997][ T7650]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.807029][ T7650]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.807051][ T7650]  blkdev_ioctl+0x5a8/0x6d0
[  588.807073][ T7650]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.807090][ T7650]  ? __fget_files+0x2a/0x420
[  588.807110][ T7650]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.807131][ T7650]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.807154][ T7650]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.807174][ T7650]  __se_sys_ioctl+0xfc/0x170
[  588.807200][ T7650]  do_syscall_64+0xfa/0x3b0
[  588.807220][ T7650]  ? lockdep_hardirqs_on+0x9c/0x150
[  588.807239][ T7650]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.807257][ T7650]  ? srso_alias_return_thunk+0x5/0xfbef5
[  588.807278][ T7650]  ? exc_page_fault+0x9f/0xf0
[  588.807298][ T7650]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.807316][ T7650] RIP: 0033:0x7f2807621569
[  588.807333][ T7650] 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
[  588.807349][ T7650] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.807369][ T7650] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  588.807383][ T7650] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  588.807395][ T7650] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  588.807410][ T7650] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  588.807425][ T7650] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  588.807465][ T7650]  </TASK>
[  589.154364][ T7650] block nbd0: shutting down sockets
[  589.242979][ T7653] FAULT_INJECTION: forcing a failure.
[  589.242979][ T7653] name failslab, interval 1, probability 0, space 0, times 0
[  589.255711][ T7653] CPU: 1 UID: 0 PID: 7653 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  589.255744][ T7653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  589.255760][ T7653] Call Trace:
[  589.255772][ T7653]  <TASK>
[  589.255781][ T7653]  dump_stack_lvl+0x189/0x250
[  589.255809][ T7653]  ? __pfx____ratelimit+0x10/0x10
[  589.255830][ T7653]  ? __pfx_dump_stack_lvl+0x10/0x10
[  589.255853][ T7653]  ? __pfx__printk+0x10/0x10
[  589.255892][ T7653]  ? __pfx___might_resched+0x10/0x10
[  589.255915][ T7653]  should_fail_ex+0x414/0x560
[  589.255948][ T7653]  ? sbitmap_init_node+0x2c9/0x630
[  589.255967][ T7653]  should_failslab+0xa8/0x100
[  589.255997][ T7653]  __kvmalloc_node_noprof+0x161/0x5f0
[  589.256025][ T7653]  ? sbitmap_init_node+0x2c9/0x630
[  589.256050][ T7653]  sbitmap_init_node+0x2c9/0x630
[  589.256079][ T7653]  sbitmap_queue_init_node+0x3e/0x4d0
[  589.256114][ T7653]  blk_mq_init_tags+0x110/0x280
[  589.256156][ T7653]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  589.256197][ T7653]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  589.256225][ T7653]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  589.256246][ T7653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.256268][ T7653]  ? __raw_spin_lock_init+0x45/0x100
[  589.256294][ T7653]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  589.256320][ T7653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.256354][ T7653]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  589.256397][ T7653]  ? __pfx___mutex_lock+0x10/0x10
[  589.256423][ T7653]  nbd_start_device+0x17f/0xb10
[  589.256455][ T7653]  nbd_ioctl+0x636/0xeb0
[  589.256475][ T7653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.256501][ T7653]  ? __pfx_nbd_ioctl+0x10/0x10
[  589.256532][ T7653]  ? __pfx_nbd_ioctl+0x10/0x10
[  589.256554][ T7653]  blkdev_ioctl+0x5a8/0x6d0
[  589.256585][ T7653]  ? __pfx_blkdev_ioctl+0x10/0x10
[  589.256605][ T7653]  ? __fget_files+0x2a/0x420
[  589.256626][ T7653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.256647][ T7653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.256670][ T7653]  ? __pfx_blkdev_ioctl+0x10/0x10
[  589.256690][ T7653]  __se_sys_ioctl+0xfc/0x170
[  589.256716][ T7653]  do_syscall_64+0xfa/0x3b0
[  589.256737][ T7653]  ? lockdep_hardirqs_on+0x9c/0x150
[  589.256756][ T7653]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.256774][ T7653]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.256795][ T7653]  ? exc_page_fault+0x9f/0xf0
[  589.256815][ T7653]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.256834][ T7653] RIP: 0033:0x7f2807621569
[  589.256852][ T7653] 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
[  589.256875][ T7653] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  589.256895][ T7653] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  589.256910][ T7653] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  589.256922][ T7653] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  589.256935][ T7653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  589.256947][ T7653] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  589.256976][ T7653]  </TASK>
[  589.689406][ T7653] block nbd0: shutting down sockets
[  589.812232][ T7656] FAULT_INJECTION: forcing a failure.
[  589.812232][ T7656] name failslab, interval 1, probability 0, space 0, times 0
[  589.825026][ T7656] CPU: 0 UID: 0 PID: 7656 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  589.825058][ T7656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  589.825070][ T7656] Call Trace:
[  589.825079][ T7656]  <TASK>
[  589.825087][ T7656]  dump_stack_lvl+0x189/0x250
[  589.825116][ T7656]  ? __pfx____ratelimit+0x10/0x10
[  589.825137][ T7656]  ? __pfx_dump_stack_lvl+0x10/0x10
[  589.825160][ T7656]  ? __pfx__printk+0x10/0x10
[  589.825189][ T7656]  ? lock_acquire+0x175/0x360
[  589.825218][ T7656]  ? __pfx___might_resched+0x10/0x10
[  589.825240][ T7656]  should_fail_ex+0x414/0x560
[  589.825272][ T7656]  ? sbitmap_init_node+0x2c9/0x630
[  589.825291][ T7656]  should_failslab+0xa8/0x100
[  589.825321][ T7656]  __kvmalloc_node_noprof+0x161/0x5f0
[  589.825350][ T7656]  ? sbitmap_init_node+0x2c9/0x630
[  589.825375][ T7656]  sbitmap_init_node+0x2c9/0x630
[  589.825405][ T7656]  sbitmap_queue_init_node+0x3e/0x4d0
[  589.825432][ T7656]  blk_mq_init_tags+0x110/0x280
[  589.825462][ T7656]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  589.825497][ T7656]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  589.825525][ T7656]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  589.825552][ T7656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.825574][ T7656]  ? __raw_spin_lock_init+0x45/0x100
[  589.825602][ T7656]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  589.825626][ T7656]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  589.825657][ T7656]  ? lockdep_hardirqs_on+0x9c/0x150
[  589.825688][ T7656]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  589.825730][ T7656]  ? __pfx___mutex_lock+0x10/0x10
[  589.825756][ T7656]  nbd_start_device+0x17f/0xb10
[  589.825786][ T7656]  nbd_ioctl+0x636/0xeb0
[  589.825807][ T7656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.825833][ T7656]  ? __pfx_nbd_ioctl+0x10/0x10
[  589.825869][ T7656]  ? __pfx_nbd_ioctl+0x10/0x10
[  589.825891][ T7656]  blkdev_ioctl+0x5a8/0x6d0
[  589.825914][ T7656]  ? __pfx_blkdev_ioctl+0x10/0x10
[  589.825932][ T7656]  ? __fget_files+0x2a/0x420
[  589.825953][ T7656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.825974][ T7656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.825996][ T7656]  ? __pfx_blkdev_ioctl+0x10/0x10
[  589.826016][ T7656]  __se_sys_ioctl+0xfc/0x170
[  589.826043][ T7656]  do_syscall_64+0xfa/0x3b0
[  589.826063][ T7656]  ? lockdep_hardirqs_on+0x9c/0x150
[  589.826082][ T7656]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.826100][ T7656]  ? srso_alias_return_thunk+0x5/0xfbef5
[  589.826121][ T7656]  ? exc_page_fault+0x9f/0xf0
[  589.826141][ T7656]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.826160][ T7656] RIP: 0033:0x7f2807621569
[  589.826177][ T7656] 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
[  589.826193][ T7656] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  589.826213][ T7656] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  589.826227][ T7656] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  589.826239][ T7656] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  589.826252][ T7656] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  589.826265][ T7656] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  589.826293][ T7656]  </TASK>
[  590.266740][ T7656] block nbd0: shutting down sockets
[  590.362851][ T7658] FAULT_INJECTION: forcing a failure.
[  590.362851][ T7658] name failslab, interval 1, probability 0, space 0, times 0
[  590.375686][ T7658] CPU: 1 UID: 0 PID: 7658 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  590.375725][ T7658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  590.375741][ T7658] Call Trace:
[  590.375755][ T7658]  <TASK>
[  590.375769][ T7658]  dump_stack_lvl+0x189/0x250
[  590.375812][ T7658]  ? __pfx____ratelimit+0x10/0x10
[  590.375848][ T7658]  ? __pfx_dump_stack_lvl+0x10/0x10
[  590.375889][ T7658]  ? __pfx__printk+0x10/0x10
[  590.375931][ T7658]  ? __pfx___might_resched+0x10/0x10
[  590.375960][ T7658]  should_fail_ex+0x414/0x560
[  590.376002][ T7658]  ? sbitmap_init_node+0x2c9/0x630
[  590.376026][ T7658]  should_failslab+0xa8/0x100
[  590.376203][ T7658]  __kvmalloc_node_noprof+0x161/0x5f0
[  590.376260][ T7658]  ? sbitmap_init_node+0x2c9/0x630
[  590.376297][ T7658]  sbitmap_init_node+0x2c9/0x630
[  590.376335][ T7658]  sbitmap_queue_init_node+0x3e/0x4d0
[  590.376369][ T7658]  blk_mq_init_tags+0x110/0x280
[  590.376407][ T7658]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  590.376452][ T7658]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  590.376487][ T7658]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  590.376513][ T7658]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.376541][ T7658]  ? __raw_spin_lock_init+0x45/0x100
[  590.376574][ T7658]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  590.376606][ T7658]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.376649][ T7658]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  590.376701][ T7658]  ? __pfx___mutex_lock+0x10/0x10
[  590.376735][ T7658]  nbd_start_device+0x17f/0xb10
[  590.376774][ T7658]  nbd_ioctl+0x636/0xeb0
[  590.376800][ T7658]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.376831][ T7658]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.376869][ T7658]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.376911][ T7658]  blkdev_ioctl+0x5a8/0x6d0
[  590.376939][ T7658]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.376961][ T7658]  ? __fget_files+0x2a/0x420
[  590.376986][ T7658]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.377012][ T7658]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.377040][ T7658]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.377064][ T7658]  __se_sys_ioctl+0xfc/0x170
[  590.377097][ T7658]  do_syscall_64+0xfa/0x3b0
[  590.377124][ T7658]  ? lockdep_hardirqs_on+0x9c/0x150
[  590.377148][ T7658]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.377169][ T7658]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.377195][ T7658]  ? exc_page_fault+0x9f/0xf0
[  590.377220][ T7658]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.377244][ T7658] RIP: 0033:0x7f2807621569
[  590.377267][ T7658] 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
[  590.377287][ T7658] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  590.377312][ T7658] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  590.377330][ T7658] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  590.377344][ T7658] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  590.377361][ T7658] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  590.377377][ T7658] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  590.377412][ T7658]  </TASK>
[  590.812207][ T7658] block nbd0: shutting down sockets
[  590.931962][ T7661] block nbd0: Device being setup by another task
[  590.938761][ T7660] FAULT_INJECTION: forcing a failure.
[  590.938761][ T7660] name failslab, interval 1, probability 0, space 0, times 0
[  590.951588][ T7660] CPU: 0 UID: 0 PID: 7660 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  590.951614][ T7660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  590.951631][ T7660] Call Trace:
[  590.951640][ T7660]  <TASK>
[  590.951648][ T7660]  dump_stack_lvl+0x189/0x250
[  590.951699][ T7660]  ? __pfx____ratelimit+0x10/0x10
[  590.951724][ T7660]  ? __pfx_dump_stack_lvl+0x10/0x10
[  590.951754][ T7660]  ? __pfx__printk+0x10/0x10
[  590.951796][ T7660]  ? __pfx___might_resched+0x10/0x10
[  590.951819][ T7660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.951848][ T7660]  should_fail_ex+0x414/0x560
[  590.951881][ T7660]  should_failslab+0xa8/0x100
[  590.951912][ T7660]  kmem_cache_alloc_noprof+0x73/0x3c0
[  590.951938][ T7660]  ? security_inode_alloc+0x39/0x330
[  590.951963][ T7660]  security_inode_alloc+0x39/0x330
[  590.951985][ T7660]  inode_init_always_gfp+0x9ed/0xdc0
[  590.952020][ T7660]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  590.952038][ T7660]  alloc_inode+0x82/0x1b0
[  590.952067][ T7660]  new_inode+0x22/0x170
[  590.952100][ T7660]  __debugfs_create_file+0x14d/0x4f0
[  590.952135][ T7660]  debugfs_create_file_unsafe+0x3a/0x50
[  590.952167][ T7660]  nbd_start_device+0x39e/0xb10
[  590.952200][ T7660]  nbd_ioctl+0x636/0xeb0
[  590.952222][ T7660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.952248][ T7660]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.952279][ T7660]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.952302][ T7660]  blkdev_ioctl+0x5a8/0x6d0
[  590.952325][ T7660]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.952343][ T7660]  ? __fget_files+0x2a/0x420
[  590.952363][ T7660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.952383][ T7660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.952406][ T7660]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.952427][ T7660]  __se_sys_ioctl+0xfc/0x170
[  590.952454][ T7660]  do_syscall_64+0xfa/0x3b0
[  590.952475][ T7660]  ? lockdep_hardirqs_on+0x9c/0x150
[  590.952494][ T7660]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.952512][ T7660]  ? srso_alias_return_thunk+0x5/0xfbef5
[  590.952533][ T7660]  ? exc_page_fault+0x9f/0xf0
[  590.952554][ T7660]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.952573][ T7660] RIP: 0033:0x7f2807621569
[  590.952591][ T7660] 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
[  590.952607][ T7660] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  590.952639][ T7660] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  590.952654][ T7660] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  590.952666][ T7660] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  590.952679][ T7660] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  590.952691][ T7660] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  590.952720][ T7660]  </TASK>
[  591.231415][ T7660] debugfs: out of free dentries, can not create file 'size_bytes'
[  591.306977][ T7660] block nbd0: shutting down sockets
[  591.432253][ T7664] FAULT_INJECTION: forcing a failure.
[  591.432253][ T7664] name failslab, interval 1, probability 0, space 0, times 0
[  591.445121][ T7664] CPU: 0 UID: 0 PID: 7664 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  591.445152][ T7664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  591.445169][ T7664] Call Trace:
[  591.445180][ T7664]  <TASK>
[  591.445190][ T7664]  dump_stack_lvl+0x189/0x250
[  591.445229][ T7664]  ? __pfx____ratelimit+0x10/0x10
[  591.445257][ T7664]  ? __pfx_dump_stack_lvl+0x10/0x10
[  591.445290][ T7664]  ? __pfx__printk+0x10/0x10
[  591.445337][ T7664]  ? __pfx___might_resched+0x10/0x10
[  591.445370][ T7664]  should_fail_ex+0x414/0x560
[  591.445414][ T7664]  ? sbitmap_init_node+0x2c9/0x630
[  591.445442][ T7664]  should_failslab+0xa8/0x100
[  591.445484][ T7664]  __kvmalloc_node_noprof+0x161/0x5f0
[  591.445524][ T7664]  ? sbitmap_init_node+0x2c9/0x630
[  591.445560][ T7664]  sbitmap_init_node+0x2c9/0x630
[  591.445603][ T7664]  sbitmap_queue_init_node+0x3e/0x4d0
[  591.445641][ T7664]  blk_mq_init_tags+0x110/0x280
[  591.445681][ T7664]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  591.445734][ T7664]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  591.445773][ T7664]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  591.445805][ T7664]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.445836][ T7664]  ? __raw_spin_lock_init+0x45/0x100
[  591.445874][ T7664]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  591.445914][ T7664]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  591.445958][ T7664]  ? lockdep_hardirqs_on+0x9c/0x150
[  591.446003][ T7664]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  591.446068][ T7664]  ? __pfx___mutex_lock+0x10/0x10
[  591.446105][ T7664]  nbd_start_device+0x17f/0xb10
[  591.446154][ T7664]  nbd_ioctl+0x636/0xeb0
[  591.446182][ T7664]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.446219][ T7664]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.446262][ T7664]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.446292][ T7664]  blkdev_ioctl+0x5a8/0x6d0
[  591.446318][ T7664]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.446339][ T7664]  ? __fget_files+0x2a/0x420
[  591.446363][ T7664]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.446388][ T7664]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.446416][ T7664]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.446439][ T7664]  __se_sys_ioctl+0xfc/0x170
[  591.446471][ T7664]  do_syscall_64+0xfa/0x3b0
[  591.446495][ T7664]  ? lockdep_hardirqs_on+0x9c/0x150
[  591.446517][ T7664]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.446538][ T7664]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.446563][ T7664]  ? exc_page_fault+0x9f/0xf0
[  591.446587][ T7664]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.446609][ T7664] RIP: 0033:0x7f2807621569
[  591.446629][ T7664] 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
[  591.446649][ T7664] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  591.446673][ T7664] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  591.446690][ T7664] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  591.446705][ T7664] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  591.446721][ T7664] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  591.446735][ T7664] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  591.446769][ T7664]  </TASK>
[  591.802196][ T7664] block nbd0: shutting down sockets
[  591.932417][ T7667] FAULT_INJECTION: forcing a failure.
[  591.932417][ T7667] name failslab, interval 1, probability 0, space 0, times 0
[  591.945940][ T7667] CPU: 1 UID: 0 PID: 7667 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  591.945971][ T7667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  591.945984][ T7667] Call Trace:
[  591.945993][ T7667]  <TASK>
[  591.946002][ T7667]  dump_stack_lvl+0x189/0x250
[  591.946033][ T7667]  ? __pfx____ratelimit+0x10/0x10
[  591.946054][ T7667]  ? __pfx_dump_stack_lvl+0x10/0x10
[  591.946077][ T7667]  ? __pfx__printk+0x10/0x10
[  591.946110][ T7667]  ? __pfx___might_resched+0x10/0x10
[  591.946134][ T7667]  should_fail_ex+0x414/0x560
[  591.946169][ T7667]  ? sbitmap_init_node+0x2c9/0x630
[  591.946188][ T7667]  should_failslab+0xa8/0x100
[  591.946218][ T7667]  __kvmalloc_node_noprof+0x161/0x5f0
[  591.946246][ T7667]  ? sbitmap_init_node+0x2c9/0x630
[  591.946272][ T7667]  sbitmap_init_node+0x2c9/0x630
[  591.946301][ T7667]  sbitmap_queue_init_node+0x3e/0x4d0
[  591.946328][ T7667]  blk_mq_init_tags+0x110/0x280
[  591.946358][ T7667]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  591.946395][ T7667]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  591.946423][ T7667]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  591.946444][ T7667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.946466][ T7667]  ? __raw_spin_lock_init+0x45/0x100
[  591.946493][ T7667]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  591.946517][ T7667]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  591.946547][ T7667]  ? lockdep_hardirqs_on+0x9c/0x150
[  591.946579][ T7667]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  591.946622][ T7667]  ? __pfx___mutex_lock+0x10/0x10
[  591.946650][ T7667]  nbd_start_device+0x17f/0xb10
[  591.946681][ T7667]  nbd_ioctl+0x636/0xeb0
[  591.946702][ T7667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.946728][ T7667]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.946760][ T7667]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.946782][ T7667]  blkdev_ioctl+0x5a8/0x6d0
[  591.946804][ T7667]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.946822][ T7667]  ? __fget_files+0x2a/0x420
[  591.946842][ T7667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.946867][ T7667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.946900][ T7667]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.946920][ T7667]  __se_sys_ioctl+0xfc/0x170
[  591.946946][ T7667]  do_syscall_64+0xfa/0x3b0
[  591.946966][ T7667]  ? lockdep_hardirqs_on+0x9c/0x150
[  591.946985][ T7667]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.947003][ T7667]  ? srso_alias_return_thunk+0x5/0xfbef5
[  591.947023][ T7667]  ? exc_page_fault+0x9f/0xf0
[  591.947043][ T7667]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.947062][ T7667] RIP: 0033:0x7f2807621569
[  591.947080][ T7667] 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
[  591.947097][ T7667] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  591.947117][ T7667] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  591.947132][ T7667] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  591.947144][ T7667] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  591.947157][ T7667] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  591.947170][ T7667] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  591.947199][ T7667]  </TASK>
[  592.372852][ T7667] block nbd0: shutting down sockets
[  592.501972][ T7670] block nbd0: Device being setup by another task
[  592.508671][ T7669] FAULT_INJECTION: forcing a failure.
[  592.508671][ T7669] name failslab, interval 1, probability 0, space 0, times 0
[  592.521423][ T7669] CPU: 0 UID: 0 PID: 7669 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  592.521455][ T7669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  592.521471][ T7669] Call Trace:
[  592.521482][ T7669]  <TASK>
[  592.521492][ T7669]  dump_stack_lvl+0x189/0x250
[  592.521529][ T7669]  ? __pfx____ratelimit+0x10/0x10
[  592.521559][ T7669]  ? __pfx_dump_stack_lvl+0x10/0x10
[  592.521608][ T7669]  ? __pfx__printk+0x10/0x10
[  592.521652][ T7669]  ? __pfx___might_resched+0x10/0x10
[  592.521681][ T7669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.521719][ T7669]  should_fail_ex+0x414/0x560
[  592.521765][ T7669]  should_failslab+0xa8/0x100
[  592.521806][ T7669]  kmem_cache_alloc_noprof+0x73/0x3c0
[  592.521841][ T7669]  ? security_inode_alloc+0x39/0x330
[  592.521875][ T7669]  security_inode_alloc+0x39/0x330
[  592.521906][ T7669]  inode_init_always_gfp+0x9ed/0xdc0
[  592.521954][ T7669]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  592.521979][ T7669]  alloc_inode+0x82/0x1b0
[  592.522018][ T7669]  new_inode+0x22/0x170
[  592.522064][ T7669]  __debugfs_create_file+0x14d/0x4f0
[  592.522111][ T7669]  debugfs_create_file_unsafe+0x3a/0x50
[  592.522156][ T7669]  nbd_start_device+0x39e/0xb10
[  592.522200][ T7669]  nbd_ioctl+0x636/0xeb0
[  592.522229][ T7669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.522265][ T7669]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.522307][ T7669]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.522337][ T7669]  blkdev_ioctl+0x5a8/0x6d0
[  592.522368][ T7669]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.522392][ T7669]  ? __fget_files+0x2a/0x420
[  592.522418][ T7669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.522448][ T7669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.522479][ T7669]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.522507][ T7669]  __se_sys_ioctl+0xfc/0x170
[  592.522543][ T7669]  do_syscall_64+0xfa/0x3b0
[  592.522573][ T7669]  ? lockdep_hardirqs_on+0x9c/0x150
[  592.522613][ T7669]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.522638][ T7669]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.522668][ T7669]  ? exc_page_fault+0x9f/0xf0
[  592.522696][ T7669]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.522722][ T7669] RIP: 0033:0x7f2807621569
[  592.522745][ T7669] 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
[  592.522767][ T7669] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  592.522794][ T7669] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  592.522814][ T7669] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  592.522830][ T7669] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  592.522848][ T7669] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  592.522867][ T7669] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  592.522906][ T7669]  </TASK>
[  592.802475][ T7669] debugfs: out of free dentries, can not create file 'size_bytes'
[  592.842194][ T7669] block nbd0: shutting down sockets
[  592.942942][ T7672] FAULT_INJECTION: forcing a failure.
[  592.942942][ T7672] name failslab, interval 1, probability 0, space 0, times 0
[  592.955628][ T7672] CPU: 1 UID: 0 PID: 7672 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  592.955654][ T7672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  592.955669][ T7672] Call Trace:
[  592.955679][ T7672]  <TASK>
[  592.955688][ T7672]  dump_stack_lvl+0x189/0x250
[  592.955719][ T7672]  ? __pfx____ratelimit+0x10/0x10
[  592.955741][ T7672]  ? __pfx_dump_stack_lvl+0x10/0x10
[  592.955764][ T7672]  ? __pfx__printk+0x10/0x10
[  592.955798][ T7672]  ? __pfx___might_resched+0x10/0x10
[  592.955823][ T7672]  should_fail_ex+0x414/0x560
[  592.955858][ T7672]  ? sbitmap_init_node+0x2c9/0x630
[  592.955878][ T7672]  should_failslab+0xa8/0x100
[  592.955916][ T7672]  __kvmalloc_node_noprof+0x161/0x5f0
[  592.955949][ T7672]  ? sbitmap_init_node+0x2c9/0x630
[  592.955976][ T7672]  sbitmap_init_node+0x2c9/0x630
[  592.956010][ T7672]  sbitmap_queue_init_node+0x3e/0x4d0
[  592.956048][ T7672]  blk_mq_init_tags+0x110/0x280
[  592.956092][ T7672]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  592.956130][ T7672]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  592.956159][ T7672]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  592.956182][ T7672]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.956205][ T7672]  ? __raw_spin_lock_init+0x45/0x100
[  592.956232][ T7672]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  592.956260][ T7672]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.956295][ T7672]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  592.956339][ T7672]  ? __pfx___mutex_lock+0x10/0x10
[  592.956367][ T7672]  nbd_start_device+0x17f/0xb10
[  592.956399][ T7672]  nbd_ioctl+0x636/0xeb0
[  592.956420][ T7672]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.956446][ T7672]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.956478][ T7672]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.956501][ T7672]  blkdev_ioctl+0x5a8/0x6d0
[  592.956524][ T7672]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.956542][ T7672]  ? __fget_files+0x2a/0x420
[  592.956562][ T7672]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.956584][ T7672]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.956606][ T7672]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.956627][ T7672]  __se_sys_ioctl+0xfc/0x170
[  592.956654][ T7672]  do_syscall_64+0xfa/0x3b0
[  592.956678][ T7672]  ? lockdep_hardirqs_on+0x9c/0x150
[  592.956697][ T7672]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.956715][ T7672]  ? srso_alias_return_thunk+0x5/0xfbef5
[  592.956737][ T7672]  ? exc_page_fault+0x9f/0xf0
[  592.956758][ T7672]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.956777][ T7672] RIP: 0033:0x7f2807621569
[  592.956795][ T7672] 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
[  592.956811][ T7672] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  592.956833][ T7672] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  592.956848][ T7672] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  592.956860][ T7672] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  592.956874][ T7672] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  592.956887][ T7672] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  592.956923][ T7672]  </TASK>
[  593.334074][ T7672] block nbd0: shutting down sockets
[  593.433267][ T7674] FAULT_INJECTION: forcing a failure.
[  593.433267][ T7674] name failslab, interval 1, probability 0, space 0, times 0
[  593.446063][ T7674] CPU: 0 UID: 0 PID: 7674 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  593.446096][ T7674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  593.446110][ T7674] Call Trace:
[  593.446119][ T7674]  <TASK>
[  593.446127][ T7674]  dump_stack_lvl+0x189/0x250
[  593.446156][ T7674]  ? __pfx____ratelimit+0x10/0x10
[  593.446177][ T7674]  ? __pfx_dump_stack_lvl+0x10/0x10
[  593.446200][ T7674]  ? __pfx__printk+0x10/0x10
[  593.446236][ T7674]  ? __pfx___might_resched+0x10/0x10
[  593.446260][ T7674]  should_fail_ex+0x414/0x560
[  593.446293][ T7674]  should_failslab+0xa8/0x100
[  593.446324][ T7674]  __kmalloc_cache_node_noprof+0x73/0x3d0
[  593.446351][ T7674]  ? blk_mq_init_tags+0x85/0x280
[  593.446381][ T7674]  blk_mq_init_tags+0x85/0x280
[  593.446410][ T7674]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  593.446446][ T7674]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  593.446473][ T7674]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  593.446495][ T7674]  ? srso_alias_return_thunk+0x5/0xfbef5
[  593.446517][ T7674]  ? __raw_spin_lock_init+0x45/0x100
[  593.446543][ T7674]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  593.446569][ T7674]  ? srso_alias_return_thunk+0x5/0xfbef5
[  593.446604][ T7674]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  593.446648][ T7674]  ? __pfx___mutex_lock+0x10/0x10
[  593.446675][ T7674]  nbd_start_device+0x17f/0xb10
[  593.446706][ T7674]  nbd_ioctl+0x636/0xeb0
[  593.446726][ T7674]  ? srso_alias_return_thunk+0x5/0xfbef5
[  593.446752][ T7674]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.446784][ T7674]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.446805][ T7674]  blkdev_ioctl+0x5a8/0x6d0
[  593.446827][ T7674]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.446845][ T7674]  ? __fget_files+0x2a/0x420
[  593.446864][ T7674]  ? srso_alias_return_thunk+0x5/0xfbef5
[  593.446890][ T7674]  ? srso_alias_return_thunk+0x5/0xfbef5
[  593.446913][ T7674]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.446932][ T7674]  __se_sys_ioctl+0xfc/0x170
[  593.446959][ T7674]  do_syscall_64+0xfa/0x3b0
[  593.446978][ T7674]  ? lockdep_hardirqs_on+0x9c/0x150
[  593.446997][ T7674]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.447014][ T7674]  ? srso_alias_return_thunk+0x5/0xfbef5
[  593.447035][ T7674]  ? exc_page_fault+0x9f/0xf0
[  593.447056][ T7674]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.447074][ T7674] RIP: 0033:0x7f2807621569
[  593.447092][ T7674] 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
[  593.447107][ T7674] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  593.447127][ T7674] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  593.447141][ T7674] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  593.447154][ T7674] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  593.447167][ T7674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  593.447179][ T7674] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  593.447208][ T7674]  </TASK>
[  593.863565][ T7674] block nbd0: shutting down sockets
[  593.992348][ T7677] FAULT_INJECTION: forcing a failure.
[  593.992348][ T7677] name failslab, interval 1, probability 0, space 0, times 0
[  594.005111][ T7677] CPU: 1 UID: 0 PID: 7677 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  594.005145][ T7677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  594.005161][ T7677] Call Trace:
[  594.005169][ T7677]  <TASK>
[  594.005178][ T7677]  dump_stack_lvl+0x189/0x250
[  594.005211][ T7677]  ? __pfx____ratelimit+0x10/0x10
[  594.005232][ T7677]  ? __pfx_dump_stack_lvl+0x10/0x10
[  594.005255][ T7677]  ? __pfx__printk+0x10/0x10
[  594.005288][ T7677]  ? __pfx___might_resched+0x10/0x10
[  594.005312][ T7677]  should_fail_ex+0x414/0x560
[  594.005347][ T7677]  ? sbitmap_init_node+0x2c9/0x630
[  594.005366][ T7677]  should_failslab+0xa8/0x100
[  594.005398][ T7677]  __kvmalloc_node_noprof+0x161/0x5f0
[  594.005428][ T7677]  ? sbitmap_init_node+0x2c9/0x630
[  594.005454][ T7677]  sbitmap_init_node+0x2c9/0x630
[  594.005483][ T7677]  sbitmap_queue_init_node+0x3e/0x4d0
[  594.005510][ T7677]  blk_mq_init_tags+0x110/0x280
[  594.005543][ T7677]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  594.005578][ T7677]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  594.005606][ T7677]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  594.005627][ T7677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.005649][ T7677]  ? __raw_spin_lock_init+0x45/0x100
[  594.005676][ T7677]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  594.005702][ T7677]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  594.005738][ T7677]  ? lockdep_hardirqs_on+0x9c/0x150
[  594.005769][ T7677]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  594.005812][ T7677]  ? __pfx___mutex_lock+0x10/0x10
[  594.005838][ T7677]  nbd_start_device+0x17f/0xb10
[  594.005869][ T7677]  nbd_ioctl+0x636/0xeb0
[  594.005890][ T7677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.005916][ T7677]  ? __pfx_nbd_ioctl+0x10/0x10
[  594.005951][ T7677]  ? __pfx_nbd_ioctl+0x10/0x10
[  594.005973][ T7677]  blkdev_ioctl+0x5a8/0x6d0
[  594.005995][ T7677]  ? __pfx_blkdev_ioctl+0x10/0x10
[  594.006013][ T7677]  ? __fget_files+0x2a/0x420
[  594.006033][ T7677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.006054][ T7677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.006076][ T7677]  ? __pfx_blkdev_ioctl+0x10/0x10
[  594.006096][ T7677]  __se_sys_ioctl+0xfc/0x170
[  594.006124][ T7677]  do_syscall_64+0xfa/0x3b0
[  594.006152][ T7677]  ? lockdep_hardirqs_on+0x9c/0x150
[  594.006177][ T7677]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.006201][ T7677]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.006227][ T7677]  ? exc_page_fault+0x9f/0xf0
[  594.006247][ T7677]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.006266][ T7677] RIP: 0033:0x7f2807621569
[  594.006285][ T7677] 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
[  594.006301][ T7677] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  594.006320][ T7677] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  594.006335][ T7677] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  594.006347][ T7677] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  594.006361][ T7677] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  594.006373][ T7677] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  594.006401][ T7677]  </TASK>
[  594.445163][ T7677] block nbd0: shutting down sockets
[  594.544202][ T7679] FAULT_INJECTION: forcing a failure.
[  594.544202][ T7679] name failslab, interval 1, probability 0, space 0, times 0
[  594.557019][ T7679] CPU: 0 UID: 0 PID: 7679 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  594.557053][ T7679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  594.557069][ T7679] Call Trace:
[  594.557080][ T7679]  <TASK>
[  594.557091][ T7679]  dump_stack_lvl+0x189/0x250
[  594.557120][ T7679]  ? __pfx____ratelimit+0x10/0x10
[  594.557140][ T7679]  ? __pfx_dump_stack_lvl+0x10/0x10
[  594.557163][ T7679]  ? __pfx__printk+0x10/0x10
[  594.557195][ T7679]  ? __pfx___might_resched+0x10/0x10
[  594.557219][ T7679]  should_fail_ex+0x414/0x560
[  594.557253][ T7679]  ? sbitmap_init_node+0x2c9/0x630
[  594.557272][ T7679]  should_failslab+0xa8/0x100
[  594.557302][ T7679]  __kvmalloc_node_noprof+0x161/0x5f0
[  594.557331][ T7679]  ? sbitmap_init_node+0x2c9/0x630
[  594.557356][ T7679]  sbitmap_init_node+0x2c9/0x630
[  594.557386][ T7679]  sbitmap_queue_init_node+0x3e/0x4d0
[  594.557412][ T7679]  blk_mq_init_tags+0x110/0x280
[  594.557442][ T7679]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  594.557478][ T7679]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  594.557506][ T7679]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  594.557527][ T7679]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.557549][ T7679]  ? __raw_spin_lock_init+0x45/0x100
[  594.557576][ T7679]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  594.557601][ T7679]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.557636][ T7679]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  594.557687][ T7679]  ? __pfx___mutex_lock+0x10/0x10
[  594.557714][ T7679]  nbd_start_device+0x17f/0xb10
[  594.557749][ T7679]  nbd_ioctl+0x636/0xeb0
[  594.557778][ T7679]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.557814][ T7679]  ? __pfx_nbd_ioctl+0x10/0x10
[  594.557854][ T7679]  ? __pfx_nbd_ioctl+0x10/0x10
[  594.557876][ T7679]  blkdev_ioctl+0x5a8/0x6d0
[  594.557898][ T7679]  ? __pfx_blkdev_ioctl+0x10/0x10
[  594.557918][ T7679]  ? __fget_files+0x2a/0x420
[  594.557938][ T7679]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.557959][ T7679]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.557981][ T7679]  ? __pfx_blkdev_ioctl+0x10/0x10
[  594.558001][ T7679]  __se_sys_ioctl+0xfc/0x170
[  594.558026][ T7679]  do_syscall_64+0xfa/0x3b0
[  594.558046][ T7679]  ? lockdep_hardirqs_on+0x9c/0x150
[  594.558065][ T7679]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.558083][ T7679]  ? srso_alias_return_thunk+0x5/0xfbef5
[  594.558104][ T7679]  ? exc_page_fault+0x9f/0xf0
[  594.558124][ T7679]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.558142][ T7679] RIP: 0033:0x7f2807621569
[  594.558159][ T7679] 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
[  594.558175][ T7679] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  594.558195][ T7679] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  594.558209][ T7679] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  594.558220][ T7679] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  594.558234][ T7679] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  594.558246][ T7679] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  594.558275][ T7679]  </TASK>
[  594.991053][ T7679] block nbd0: shutting down sockets
[  595.072855][ T7681] FAULT_INJECTION: forcing a failure.
[  595.072855][ T7681] name failslab, interval 1, probability 0, space 0, times 0
[  595.085549][ T7681] CPU: 1 UID: 0 PID: 7681 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  595.085575][ T7681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  595.085588][ T7681] Call Trace:
[  595.085597][ T7681]  <TASK>
[  595.085606][ T7681]  dump_stack_lvl+0x189/0x250
[  595.085637][ T7681]  ? __pfx____ratelimit+0x10/0x10
[  595.085658][ T7681]  ? __pfx_dump_stack_lvl+0x10/0x10
[  595.085682][ T7681]  ? __pfx__printk+0x10/0x10
[  595.085717][ T7681]  ? __pfx___might_resched+0x10/0x10
[  595.085741][ T7681]  should_fail_ex+0x414/0x560
[  595.085776][ T7681]  ? sbitmap_init_node+0x2c9/0x630
[  595.085796][ T7681]  should_failslab+0xa8/0x100
[  595.085828][ T7681]  __kvmalloc_node_noprof+0x161/0x5f0
[  595.085857][ T7681]  ? sbitmap_init_node+0x2c9/0x630
[  595.085883][ T7681]  sbitmap_init_node+0x2c9/0x630
[  595.085913][ T7681]  sbitmap_queue_init_node+0x3e/0x4d0
[  595.085947][ T7681]  blk_mq_init_tags+0x110/0x280
[  595.085978][ T7681]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  595.086015][ T7681]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  595.086043][ T7681]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  595.086065][ T7681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.086087][ T7681]  ? __raw_spin_lock_init+0x45/0x100
[  595.086114][ T7681]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  595.086141][ T7681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.086176][ T7681]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  595.086219][ T7681]  ? __pfx___mutex_lock+0x10/0x10
[  595.086247][ T7681]  nbd_start_device+0x17f/0xb10
[  595.086282][ T7681]  nbd_ioctl+0x636/0xeb0
[  595.086311][ T7681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.086348][ T7681]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.086382][ T7681]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.086405][ T7681]  blkdev_ioctl+0x5a8/0x6d0
[  595.086428][ T7681]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.086446][ T7681]  ? __fget_files+0x2a/0x420
[  595.086466][ T7681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.086488][ T7681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.086510][ T7681]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.086530][ T7681]  __se_sys_ioctl+0xfc/0x170
[  595.086557][ T7681]  do_syscall_64+0xfa/0x3b0
[  595.086579][ T7681]  ? lockdep_hardirqs_on+0x9c/0x150
[  595.086598][ T7681]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.086616][ T7681]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.086637][ T7681]  ? exc_page_fault+0x9f/0xf0
[  595.086658][ T7681]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.086677][ T7681] RIP: 0033:0x7f2807621569
[  595.086697][ T7681] 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
[  595.086713][ T7681] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  595.086733][ T7681] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  595.086748][ T7681] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  595.086760][ T7681] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  595.086774][ T7681] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  595.086786][ T7681] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  595.086815][ T7681]  </TASK>
[  595.422148][ T7681] block nbd0: shutting down sockets
[  595.533053][ T7683] FAULT_INJECTION: forcing a failure.
[  595.533053][ T7683] name failslab, interval 1, probability 0, space 0, times 0
[  595.545941][ T7683] CPU: 0 UID: 0 PID: 7683 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  595.545974][ T7683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  595.545987][ T7683] Call Trace:
[  595.545996][ T7683]  <TASK>
[  595.546004][ T7683]  dump_stack_lvl+0x189/0x250
[  595.546033][ T7683]  ? __pfx____ratelimit+0x10/0x10
[  595.546053][ T7683]  ? __pfx_dump_stack_lvl+0x10/0x10
[  595.546076][ T7683]  ? __pfx__printk+0x10/0x10
[  595.546108][ T7683]  ? __pfx___might_resched+0x10/0x10
[  595.546132][ T7683]  should_fail_ex+0x414/0x560
[  595.546164][ T7683]  ? sbitmap_init_node+0x2c9/0x630
[  595.546187][ T7683]  should_failslab+0xa8/0x100
[  595.546218][ T7683]  __kvmalloc_node_noprof+0x161/0x5f0
[  595.546245][ T7683]  ? sbitmap_init_node+0x2c9/0x630
[  595.546271][ T7683]  sbitmap_init_node+0x2c9/0x630
[  595.546300][ T7683]  sbitmap_queue_init_node+0x3e/0x4d0
[  595.546326][ T7683]  blk_mq_init_tags+0x110/0x280
[  595.546357][ T7683]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  595.546393][ T7683]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  595.546420][ T7683]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  595.546442][ T7683]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.546463][ T7683]  ? __raw_spin_lock_init+0x45/0x100
[  595.546490][ T7683]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  595.546516][ T7683]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.546551][ T7683]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  595.546594][ T7683]  ? __pfx___mutex_lock+0x10/0x10
[  595.546620][ T7683]  nbd_start_device+0x17f/0xb10
[  595.546653][ T7683]  nbd_ioctl+0x636/0xeb0
[  595.546674][ T7683]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.546699][ T7683]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.546730][ T7683]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.546752][ T7683]  blkdev_ioctl+0x5a8/0x6d0
[  595.546774][ T7683]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.546792][ T7683]  ? __fget_files+0x2a/0x420
[  595.546812][ T7683]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.546833][ T7683]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.546855][ T7683]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.546875][ T7683]  __se_sys_ioctl+0xfc/0x170
[  595.546906][ T7683]  do_syscall_64+0xfa/0x3b0
[  595.546926][ T7683]  ? lockdep_hardirqs_on+0x9c/0x150
[  595.546945][ T7683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.546962][ T7683]  ? srso_alias_return_thunk+0x5/0xfbef5
[  595.546983][ T7683]  ? exc_page_fault+0x9f/0xf0
[  595.547004][ T7683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.547022][ T7683] RIP: 0033:0x7f2807621569
[  595.547040][ T7683] 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
[  595.547055][ T7683] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  595.547075][ T7683] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  595.547090][ T7683] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  595.547102][ T7683] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  595.547115][ T7683] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  595.547127][ T7683] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  595.547156][ T7683]  </TASK>
[  595.977971][ T7683] block nbd0: shutting down sockets
[  596.082846][ T7685] FAULT_INJECTION: forcing a failure.
[  596.082846][ T7685] name failslab, interval 1, probability 0, space 0, times 0
[  596.095601][ T7685] CPU: 1 UID: 0 PID: 7685 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  596.095626][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  596.095638][ T7685] Call Trace:
[  596.095647][ T7685]  <TASK>
[  596.095655][ T7685]  dump_stack_lvl+0x189/0x250
[  596.095685][ T7685]  ? __pfx____ratelimit+0x10/0x10
[  596.095706][ T7685]  ? __pfx_dump_stack_lvl+0x10/0x10
[  596.095729][ T7685]  ? __pfx__printk+0x10/0x10
[  596.095762][ T7685]  ? __pfx___might_resched+0x10/0x10
[  596.095786][ T7685]  should_fail_ex+0x414/0x560
[  596.095821][ T7685]  should_failslab+0xa8/0x100
[  596.095854][ T7685]  __kmalloc_cache_node_noprof+0x73/0x3d0
[  596.095883][ T7685]  ? blk_mq_init_tags+0x85/0x280
[  596.095921][ T7685]  blk_mq_init_tags+0x85/0x280
[  596.095950][ T7685]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  596.095987][ T7685]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  596.096016][ T7685]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  596.096037][ T7685]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.096060][ T7685]  ? __raw_spin_lock_init+0x45/0x100
[  596.096087][ T7685]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  596.096113][ T7685]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.096148][ T7685]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  596.096192][ T7685]  ? __pfx___mutex_lock+0x10/0x10
[  596.096219][ T7685]  nbd_start_device+0x17f/0xb10
[  596.096251][ T7685]  nbd_ioctl+0x636/0xeb0
[  596.096273][ T7685]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.096299][ T7685]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.096331][ T7685]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.096354][ T7685]  blkdev_ioctl+0x5a8/0x6d0
[  596.096376][ T7685]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.096393][ T7685]  ? __fget_files+0x2a/0x420
[  596.096417][ T7685]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.096449][ T7685]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.096485][ T7685]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.096514][ T7685]  __se_sys_ioctl+0xfc/0x170
[  596.096542][ T7685]  do_syscall_64+0xfa/0x3b0
[  596.096563][ T7685]  ? lockdep_hardirqs_on+0x9c/0x150
[  596.096582][ T7685]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.096600][ T7685]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.096621][ T7685]  ? exc_page_fault+0x9f/0xf0
[  596.096641][ T7685]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.096660][ T7685] RIP: 0033:0x7f2807621569
[  596.096679][ T7685] 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
[  596.096696][ T7685] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  596.096716][ T7685] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  596.096730][ T7685] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  596.096743][ T7685] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  596.096757][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  596.096770][ T7685] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  596.096799][ T7685]  </TASK>
[  596.517569][ T7685] block nbd0: shutting down sockets
[  596.623138][ T7687] FAULT_INJECTION: forcing a failure.
[  596.623138][ T7687] name failslab, interval 1, probability 0, space 0, times 0
[  596.635897][ T7687] CPU: 0 UID: 0 PID: 7687 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  596.635925][ T7687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  596.635937][ T7687] Call Trace:
[  596.635946][ T7687]  <TASK>
[  596.635954][ T7687]  dump_stack_lvl+0x189/0x250
[  596.635982][ T7687]  ? __pfx____ratelimit+0x10/0x10
[  596.636003][ T7687]  ? __pfx_dump_stack_lvl+0x10/0x10
[  596.636026][ T7687]  ? __pfx__printk+0x10/0x10
[  596.636058][ T7687]  ? __pfx___might_resched+0x10/0x10
[  596.636081][ T7687]  should_fail_ex+0x414/0x560
[  596.636114][ T7687]  ? sbitmap_init_node+0x2c9/0x630
[  596.636133][ T7687]  should_failslab+0xa8/0x100
[  596.636162][ T7687]  __kvmalloc_node_noprof+0x161/0x5f0
[  596.636191][ T7687]  ? sbitmap_init_node+0x2c9/0x630
[  596.636216][ T7687]  sbitmap_init_node+0x2c9/0x630
[  596.636246][ T7687]  sbitmap_queue_init_node+0x3e/0x4d0
[  596.636273][ T7687]  blk_mq_init_tags+0x110/0x280
[  596.636303][ T7687]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  596.636339][ T7687]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  596.636366][ T7687]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  596.636388][ T7687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.636409][ T7687]  ? __raw_spin_lock_init+0x45/0x100
[  596.636435][ T7687]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  596.636461][ T7687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.636496][ T7687]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  596.636555][ T7687]  ? __pfx___mutex_lock+0x10/0x10
[  596.636592][ T7687]  nbd_start_device+0x17f/0xb10
[  596.636624][ T7687]  nbd_ioctl+0x636/0xeb0
[  596.636644][ T7687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.636678][ T7687]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.636710][ T7687]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.636732][ T7687]  blkdev_ioctl+0x5a8/0x6d0
[  596.636755][ T7687]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.636772][ T7687]  ? __fget_files+0x2a/0x420
[  596.636792][ T7687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.636813][ T7687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.636835][ T7687]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.636855][ T7687]  __se_sys_ioctl+0xfc/0x170
[  596.636881][ T7687]  do_syscall_64+0xfa/0x3b0
[  596.636902][ T7687]  ? lockdep_hardirqs_on+0x9c/0x150
[  596.636923][ T7687]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.636941][ T7687]  ? srso_alias_return_thunk+0x5/0xfbef5
[  596.636961][ T7687]  ? exc_page_fault+0x9f/0xf0
[  596.636982][ T7687]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.637001][ T7687] RIP: 0033:0x7f2807621569
[  596.637017][ T7687] 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
[  596.637033][ T7687] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  596.637053][ T7687] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  596.637068][ T7687] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  596.637080][ T7687] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  596.637093][ T7687] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  596.637106][ T7687] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  596.637134][ T7687]  </TASK>
[  597.009975][ T7687] block nbd0: shutting down sockets
[  597.113094][ T7689] FAULT_INJECTION: forcing a failure.
[  597.113094][ T7689] name failslab, interval 1, probability 0, space 0, times 0
[  597.125853][ T7689] CPU: 1 UID: 0 PID: 7689 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  597.125880][ T7689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  597.125893][ T7689] Call Trace:
[  597.125901][ T7689]  <TASK>
[  597.125910][ T7689]  dump_stack_lvl+0x189/0x250
[  597.125942][ T7689]  ? __pfx____ratelimit+0x10/0x10
[  597.125963][ T7689]  ? __pfx_dump_stack_lvl+0x10/0x10
[  597.125987][ T7689]  ? __pfx__printk+0x10/0x10
[  597.126021][ T7689]  ? __pfx___might_resched+0x10/0x10
[  597.126045][ T7689]  should_fail_ex+0x414/0x560
[  597.126081][ T7689]  ? sbitmap_init_node+0x2c9/0x630
[  597.126101][ T7689]  should_failslab+0xa8/0x100
[  597.126134][ T7689]  __kvmalloc_node_noprof+0x161/0x5f0
[  597.126165][ T7689]  ? sbitmap_init_node+0x2c9/0x630
[  597.126192][ T7689]  sbitmap_init_node+0x2c9/0x630
[  597.126223][ T7689]  sbitmap_queue_init_node+0x3e/0x4d0
[  597.126251][ T7689]  blk_mq_init_tags+0x110/0x280
[  597.126284][ T7689]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  597.126322][ T7689]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  597.126351][ T7689]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  597.126373][ T7689]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.126396][ T7689]  ? __raw_spin_lock_init+0x45/0x100
[  597.126423][ T7689]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  597.126451][ T7689]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.126487][ T7689]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  597.126531][ T7689]  ? __pfx___mutex_lock+0x10/0x10
[  597.126559][ T7689]  nbd_start_device+0x17f/0xb10
[  597.126591][ T7689]  nbd_ioctl+0x636/0xeb0
[  597.126613][ T7689]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.126640][ T7689]  ? __pfx_nbd_ioctl+0x10/0x10
[  597.126678][ T7689]  ? __pfx_nbd_ioctl+0x10/0x10
[  597.126702][ T7689]  blkdev_ioctl+0x5a8/0x6d0
[  597.126725][ T7689]  ? __pfx_blkdev_ioctl+0x10/0x10
[  597.126743][ T7689]  ? __fget_files+0x2a/0x420
[  597.126769][ T7689]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.126798][ T7689]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.126829][ T7689]  ? __pfx_blkdev_ioctl+0x10/0x10
[  597.126857][ T7689]  __se_sys_ioctl+0xfc/0x170
[  597.126887][ T7689]  do_syscall_64+0xfa/0x3b0
[  597.126908][ T7689]  ? lockdep_hardirqs_on+0x9c/0x150
[  597.126930][ T7689]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.126948][ T7689]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.126970][ T7689]  ? exc_page_fault+0x9f/0xf0
[  597.126991][ T7689]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.127011][ T7689] RIP: 0033:0x7f2807621569
[  597.127029][ T7689] 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
[  597.127046][ T7689] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  597.127066][ T7689] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  597.127081][ T7689] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  597.127093][ T7689] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  597.127107][ T7689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  597.127121][ T7689] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  597.127150][ T7689]  </TASK>
[  597.562119][ T7689] block nbd0: shutting down sockets
[  597.652841][ T7691] FAULT_INJECTION: forcing a failure.
[  597.652841][ T7691] name failslab, interval 1, probability 0, space 0, times 0
[  597.665684][ T7691] CPU: 0 UID: 0 PID: 7691 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  597.665719][ T7691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  597.665734][ T7691] Call Trace:
[  597.665744][ T7691]  <TASK>
[  597.665753][ T7691]  dump_stack_lvl+0x189/0x250
[  597.665781][ T7691]  ? __pfx____ratelimit+0x10/0x10
[  597.665801][ T7691]  ? __pfx_dump_stack_lvl+0x10/0x10
[  597.665824][ T7691]  ? __pfx__printk+0x10/0x10
[  597.665857][ T7691]  ? __pfx___might_resched+0x10/0x10
[  597.665881][ T7691]  should_fail_ex+0x414/0x560
[  597.665914][ T7691]  ? sbitmap_init_node+0x2c9/0x630
[  597.665933][ T7691]  should_failslab+0xa8/0x100
[  597.665969][ T7691]  __kvmalloc_node_noprof+0x161/0x5f0
[  597.665998][ T7691]  ? sbitmap_init_node+0x2c9/0x630
[  597.666024][ T7691]  sbitmap_init_node+0x2c9/0x630
[  597.666054][ T7691]  sbitmap_queue_init_node+0x3e/0x4d0
[  597.666081][ T7691]  blk_mq_init_tags+0x110/0x280
[  597.666112][ T7691]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  597.666149][ T7691]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  597.666177][ T7691]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  597.666199][ T7691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.666221][ T7691]  ? __raw_spin_lock_init+0x45/0x100
[  597.666248][ T7691]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  597.666274][ T7691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.666310][ T7691]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  597.666354][ T7691]  ? __pfx___mutex_lock+0x10/0x10
[  597.666381][ T7691]  nbd_start_device+0x17f/0xb10
[  597.666413][ T7691]  nbd_ioctl+0x636/0xeb0
[  597.666434][ T7691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.666460][ T7691]  ? __pfx_nbd_ioctl+0x10/0x10
[  597.666492][ T7691]  ? __pfx_nbd_ioctl+0x10/0x10
[  597.666515][ T7691]  blkdev_ioctl+0x5a8/0x6d0
[  597.666538][ T7691]  ? __pfx_blkdev_ioctl+0x10/0x10
[  597.666555][ T7691]  ? __fget_files+0x2a/0x420
[  597.666575][ T7691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.666596][ T7691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.666618][ T7691]  ? __pfx_blkdev_ioctl+0x10/0x10
[  597.666638][ T7691]  __se_sys_ioctl+0xfc/0x170
[  597.666665][ T7691]  do_syscall_64+0xfa/0x3b0
[  597.666686][ T7691]  ? lockdep_hardirqs_on+0x9c/0x150
[  597.666706][ T7691]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.666726][ T7691]  ? srso_alias_return_thunk+0x5/0xfbef5
[  597.666755][ T7691]  ? exc_page_fault+0x9f/0xf0
[  597.666784][ T7691]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.666811][ T7691] RIP: 0033:0x7f2807621569
[  597.666835][ T7691] 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
[  597.666853][ T7691] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  597.666873][ T7691] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  597.666888][ T7691] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  597.666899][ T7691] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  597.666914][ T7691] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  597.666927][ T7691] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  597.666961][ T7691]  </TASK>
[  598.002068][ T7691] block nbd0: shutting down sockets
[  598.102773][ T7693] FAULT_INJECTION: forcing a failure.
[  598.102773][ T7693] name failslab, interval 1, probability 0, space 0, times 0
[  598.115618][ T7693] CPU: 1 UID: 0 PID: 7693 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  598.115651][ T7693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  598.115674][ T7693] Call Trace:
[  598.115684][ T7693]  <TASK>
[  598.115693][ T7693]  dump_stack_lvl+0x189/0x250
[  598.115721][ T7693]  ? __pfx____ratelimit+0x10/0x10
[  598.115742][ T7693]  ? __pfx_dump_stack_lvl+0x10/0x10
[  598.115765][ T7693]  ? __pfx__printk+0x10/0x10
[  598.115797][ T7693]  ? __pfx___might_resched+0x10/0x10
[  598.115820][ T7693]  should_fail_ex+0x414/0x560
[  598.115853][ T7693]  ? sbitmap_init_node+0x2c9/0x630
[  598.115872][ T7693]  should_failslab+0xa8/0x100
[  598.115902][ T7693]  __kvmalloc_node_noprof+0x161/0x5f0
[  598.115932][ T7693]  ? sbitmap_init_node+0x2c9/0x630
[  598.115958][ T7693]  sbitmap_init_node+0x2c9/0x630
[  598.115987][ T7693]  sbitmap_queue_init_node+0x3e/0x4d0
[  598.116014][ T7693]  blk_mq_init_tags+0x110/0x280
[  598.116044][ T7693]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  598.116080][ T7693]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  598.116107][ T7693]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  598.116128][ T7693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.116150][ T7693]  ? __raw_spin_lock_init+0x45/0x100
[  598.116176][ T7693]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  598.116202][ T7693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.116237][ T7693]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  598.116281][ T7693]  ? __pfx___mutex_lock+0x10/0x10
[  598.116307][ T7693]  nbd_start_device+0x17f/0xb10
[  598.116338][ T7693]  nbd_ioctl+0x636/0xeb0
[  598.116359][ T7693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.116385][ T7693]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.116416][ T7693]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.116438][ T7693]  blkdev_ioctl+0x5a8/0x6d0
[  598.116460][ T7693]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.116477][ T7693]  ? __fget_files+0x2a/0x420
[  598.116497][ T7693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.116518][ T7693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.116540][ T7693]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.116560][ T7693]  __se_sys_ioctl+0xfc/0x170
[  598.116586][ T7693]  do_syscall_64+0xfa/0x3b0
[  598.116606][ T7693]  ? lockdep_hardirqs_on+0x9c/0x150
[  598.116625][ T7693]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.116643][ T7693]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.116663][ T7693]  ? exc_page_fault+0x9f/0xf0
[  598.116693][ T7693]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.116719][ T7693] RIP: 0033:0x7f2807621569
[  598.116741][ T7693] 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
[  598.116763][ T7693] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  598.116785][ T7693] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  598.116800][ T7693] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  598.116812][ T7693] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  598.116825][ T7693] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  598.116837][ T7693] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  598.116866][ T7693]  </TASK>
[  598.544901][ T7693] block nbd0: shutting down sockets
[  598.642969][ T7695] FAULT_INJECTION: forcing a failure.
[  598.642969][ T7695] name failslab, interval 1, probability 0, space 0, times 0
[  598.655811][ T7695] CPU: 1 UID: 0 PID: 7695 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  598.655848][ T7695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  598.655865][ T7695] Call Trace:
[  598.655876][ T7695]  <TASK>
[  598.655889][ T7695]  dump_stack_lvl+0x189/0x250
[  598.655941][ T7695]  ? __pfx____ratelimit+0x10/0x10
[  598.655973][ T7695]  ? __pfx_dump_stack_lvl+0x10/0x10
[  598.656010][ T7695]  ? __pfx__printk+0x10/0x10
[  598.656061][ T7695]  ? __pfx___might_resched+0x10/0x10
[  598.656098][ T7695]  should_fail_ex+0x414/0x560
[  598.656152][ T7695]  ? sbitmap_init_node+0x2c9/0x630
[  598.656183][ T7695]  should_failslab+0xa8/0x100
[  598.656231][ T7695]  __kvmalloc_node_noprof+0x161/0x5f0
[  598.656277][ T7695]  ? sbitmap_init_node+0x2c9/0x630
[  598.656320][ T7695]  sbitmap_init_node+0x2c9/0x630
[  598.656369][ T7695]  sbitmap_queue_init_node+0x3e/0x4d0
[  598.656411][ T7695]  blk_mq_init_tags+0x110/0x280
[  598.656461][ T7695]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  598.656519][ T7695]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  598.656565][ T7695]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  598.656600][ T7695]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.656633][ T7695]  ? __raw_spin_lock_init+0x45/0x100
[  598.656673][ T7695]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  598.656716][ T7695]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.656774][ T7695]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  598.656847][ T7695]  ? __pfx___mutex_lock+0x10/0x10
[  598.656890][ T7695]  nbd_start_device+0x17f/0xb10
[  598.656942][ T7695]  nbd_ioctl+0x636/0xeb0
[  598.656971][ T7695]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.657010][ T7695]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.657059][ T7695]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.657083][ T7695]  blkdev_ioctl+0x5a8/0x6d0
[  598.657106][ T7695]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.657123][ T7695]  ? __fget_files+0x2a/0x420
[  598.657144][ T7695]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.657165][ T7695]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.657187][ T7695]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.657207][ T7695]  __se_sys_ioctl+0xfc/0x170
[  598.657234][ T7695]  do_syscall_64+0xfa/0x3b0
[  598.657254][ T7695]  ? lockdep_hardirqs_on+0x9c/0x150
[  598.657274][ T7695]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.657292][ T7695]  ? srso_alias_return_thunk+0x5/0xfbef5
[  598.657313][ T7695]  ? exc_page_fault+0x9f/0xf0
[  598.657333][ T7695]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.657352][ T7695] RIP: 0033:0x7f2807621569
[  598.657371][ T7695] 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
[  598.657387][ T7695] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  598.657407][ T7695] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  598.657421][ T7695] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  598.657433][ T7695] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  598.657447][ T7695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  598.657460][ T7695] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  598.657488][ T7695]  </TASK>
[  599.090010][ T7695] block nbd0: shutting down sockets
[  599.193608][ T7697] FAULT_INJECTION: forcing a failure.
[  599.193608][ T7697] name failslab, interval 1, probability 0, space 0, times 0
[  599.206421][ T7697] CPU: 0 UID: 0 PID: 7697 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  599.206458][ T7697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  599.206471][ T7697] Call Trace:
[  599.206480][ T7697]  <TASK>
[  599.206488][ T7697]  dump_stack_lvl+0x189/0x250
[  599.206518][ T7697]  ? __pfx____ratelimit+0x10/0x10
[  599.206539][ T7697]  ? __pfx_dump_stack_lvl+0x10/0x10
[  599.206562][ T7697]  ? __pfx__printk+0x10/0x10
[  599.206593][ T7697]  ? __pfx___might_resched+0x10/0x10
[  599.206617][ T7697]  should_fail_ex+0x414/0x560
[  599.206651][ T7697]  ? sbitmap_init_node+0x2c9/0x630
[  599.206670][ T7697]  should_failslab+0xa8/0x100
[  599.206701][ T7697]  __kvmalloc_node_noprof+0x161/0x5f0
[  599.206730][ T7697]  ? sbitmap_init_node+0x2c9/0x630
[  599.206755][ T7697]  sbitmap_init_node+0x2c9/0x630
[  599.206784][ T7697]  sbitmap_queue_init_node+0x3e/0x4d0
[  599.206811][ T7697]  blk_mq_init_tags+0x110/0x280
[  599.206842][ T7697]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  599.206882][ T7697]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  599.206910][ T7697]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  599.206932][ T7697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.206953][ T7697]  ? __raw_spin_lock_init+0x45/0x100
[  599.206980][ T7697]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  599.207006][ T7697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.207041][ T7697]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  599.207084][ T7697]  ? __pfx___mutex_lock+0x10/0x10
[  599.207110][ T7697]  nbd_start_device+0x17f/0xb10
[  599.207142][ T7697]  nbd_ioctl+0x636/0xeb0
[  599.207163][ T7697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.207189][ T7697]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.207221][ T7697]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.207242][ T7697]  blkdev_ioctl+0x5a8/0x6d0
[  599.207265][ T7697]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.207283][ T7697]  ? __fget_files+0x2a/0x420
[  599.207310][ T7697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.207340][ T7697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.207371][ T7697]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.207397][ T7697]  __se_sys_ioctl+0xfc/0x170
[  599.207423][ T7697]  do_syscall_64+0xfa/0x3b0
[  599.207444][ T7697]  ? lockdep_hardirqs_on+0x9c/0x150
[  599.207463][ T7697]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.207481][ T7697]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.207502][ T7697]  ? exc_page_fault+0x9f/0xf0
[  599.207522][ T7697]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.207541][ T7697] RIP: 0033:0x7f2807621569
[  599.207559][ T7697] 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
[  599.207575][ T7697] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  599.207614][ T7697] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  599.207629][ T7697] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  599.207642][ T7697] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  599.207655][ T7697] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  599.207668][ T7697] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  599.207697][ T7697]  </TASK>
[  599.542182][ T7697] block nbd0: shutting down sockets
[  599.673552][ T7699] FAULT_INJECTION: forcing a failure.
[  599.673552][ T7699] name failslab, interval 1, probability 0, space 0, times 0
[  599.686316][ T7699] CPU: 1 UID: 0 PID: 7699 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  599.686344][ T7699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  599.686357][ T7699] Call Trace:
[  599.686366][ T7699]  <TASK>
[  599.686374][ T7699]  dump_stack_lvl+0x189/0x250
[  599.686403][ T7699]  ? __pfx____ratelimit+0x10/0x10
[  599.686425][ T7699]  ? __pfx_dump_stack_lvl+0x10/0x10
[  599.686449][ T7699]  ? __pfx__printk+0x10/0x10
[  599.686483][ T7699]  ? __pfx___might_resched+0x10/0x10
[  599.686518][ T7699]  should_fail_ex+0x414/0x560
[  599.686570][ T7699]  ? sbitmap_init_node+0x2c9/0x630
[  599.686596][ T7699]  should_failslab+0xa8/0x100
[  599.686628][ T7699]  __kvmalloc_node_noprof+0x161/0x5f0
[  599.686657][ T7699]  ? sbitmap_init_node+0x2c9/0x630
[  599.686684][ T7699]  sbitmap_init_node+0x2c9/0x630
[  599.686715][ T7699]  sbitmap_queue_init_node+0x3e/0x4d0
[  599.686743][ T7699]  blk_mq_init_tags+0x110/0x280
[  599.686775][ T7699]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  599.686813][ T7699]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  599.686848][ T7699]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  599.686870][ T7699]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.686893][ T7699]  ? __raw_spin_lock_init+0x45/0x100
[  599.686921][ T7699]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  599.686948][ T7699]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.686984][ T7699]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  599.687030][ T7699]  ? __pfx___mutex_lock+0x10/0x10
[  599.687058][ T7699]  nbd_start_device+0x17f/0xb10
[  599.687091][ T7699]  nbd_ioctl+0x636/0xeb0
[  599.687113][ T7699]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.687140][ T7699]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.687174][ T7699]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.687196][ T7699]  blkdev_ioctl+0x5a8/0x6d0
[  599.687220][ T7699]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.687238][ T7699]  ? __fget_files+0x2a/0x420
[  599.687259][ T7699]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.687280][ T7699]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.687303][ T7699]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.687324][ T7699]  __se_sys_ioctl+0xfc/0x170
[  599.687351][ T7699]  do_syscall_64+0xfa/0x3b0
[  599.687373][ T7699]  ? lockdep_hardirqs_on+0x9c/0x150
[  599.687392][ T7699]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.687411][ T7699]  ? srso_alias_return_thunk+0x5/0xfbef5
[  599.687432][ T7699]  ? exc_page_fault+0x9f/0xf0
[  599.687453][ T7699]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.687473][ T7699] RIP: 0033:0x7f2807621569
[  599.687491][ T7699] 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
[  599.687508][ T7699] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  599.687528][ T7699] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  599.687542][ T7699] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  599.687555][ T7699] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  599.687569][ T7699] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  599.687620][ T7699] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  599.687661][ T7699]  </TASK>
[  600.115641][ T7699] block nbd0: shutting down sockets
[  600.201894][ T7703] block nbd0: Device being setup by another task
[  600.209272][ T7702] FAULT_INJECTION: forcing a failure.
[  600.209272][ T7702] name failslab, interval 1, probability 0, space 0, times 0
[  600.222440][ T7702] CPU: 1 UID: 0 PID: 7702 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  600.222476][ T7702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  600.222493][ T7702] Call Trace:
[  600.222504][ T7702]  <TASK>
[  600.222517][ T7702]  dump_stack_lvl+0x189/0x250
[  600.222556][ T7702]  ? __pfx____ratelimit+0x10/0x10
[  600.222585][ T7702]  ? __pfx_dump_stack_lvl+0x10/0x10
[  600.222618][ T7702]  ? __pfx__printk+0x10/0x10
[  600.222665][ T7702]  ? __pfx___might_resched+0x10/0x10
[  600.222691][ T7702]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.222730][ T7702]  should_fail_ex+0x414/0x560
[  600.222777][ T7702]  should_failslab+0xa8/0x100
[  600.222818][ T7702]  kmem_cache_alloc_noprof+0x73/0x3c0
[  600.222856][ T7702]  ? security_inode_alloc+0x39/0x330
[  600.222900][ T7702]  security_inode_alloc+0x39/0x330
[  600.222935][ T7702]  inode_init_always_gfp+0x9ed/0xdc0
[  600.222984][ T7702]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  600.223011][ T7702]  alloc_inode+0x82/0x1b0
[  600.223049][ T7702]  new_inode+0x22/0x170
[  600.223095][ T7702]  __debugfs_create_file+0x14d/0x4f0
[  600.223147][ T7702]  debugfs_create_file_unsafe+0x3a/0x50
[  600.223192][ T7702]  nbd_start_device+0x39e/0xb10
[  600.223235][ T7702]  nbd_ioctl+0x636/0xeb0
[  600.223266][ T7702]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.223302][ T7702]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.223335][ T7702]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.223359][ T7702]  blkdev_ioctl+0x5a8/0x6d0
[  600.223383][ T7702]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.223402][ T7702]  ? __fget_files+0x2a/0x420
[  600.223422][ T7702]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.223444][ T7702]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.223467][ T7702]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.223488][ T7702]  __se_sys_ioctl+0xfc/0x170
[  600.223516][ T7702]  do_syscall_64+0xfa/0x3b0
[  600.223538][ T7702]  ? lockdep_hardirqs_on+0x9c/0x150
[  600.223557][ T7702]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.223576][ T7702]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.223598][ T7702]  ? exc_page_fault+0x9f/0xf0
[  600.223621][ T7702]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.223643][ T7702] RIP: 0033:0x7f2807621569
[  600.223663][ T7702] 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
[  600.223682][ T7702] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.223703][ T7702] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  600.223718][ T7702] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  600.223730][ T7702] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  600.223745][ T7702] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  600.223758][ T7702] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  600.223788][ T7702]  </TASK>
[  600.223904][ T7702] debugfs: out of free dentries, can not create file 'size_bytes'
[  600.552259][ T7702] block nbd0: shutting down sockets
[  600.662879][ T7705] FAULT_INJECTION: forcing a failure.
[  600.662879][ T7705] name failslab, interval 1, probability 0, space 0, times 0
[  600.675684][ T7705] CPU: 1 UID: 0 PID: 7705 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  600.675717][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  600.675733][ T7705] Call Trace:
[  600.675743][ T7705]  <TASK>
[  600.675754][ T7705]  dump_stack_lvl+0x189/0x250
[  600.675792][ T7705]  ? __pfx____ratelimit+0x10/0x10
[  600.675820][ T7705]  ? __pfx_dump_stack_lvl+0x10/0x10
[  600.675852][ T7705]  ? __pfx__printk+0x10/0x10
[  600.675898][ T7705]  ? __pfx___might_resched+0x10/0x10
[  600.675931][ T7705]  should_fail_ex+0x414/0x560
[  600.675978][ T7705]  ? sbitmap_init_node+0x2c9/0x630
[  600.676005][ T7705]  should_failslab+0xa8/0x100
[  600.676048][ T7705]  __kvmalloc_node_noprof+0x161/0x5f0
[  600.676088][ T7705]  ? sbitmap_init_node+0x2c9/0x630
[  600.676125][ T7705]  sbitmap_init_node+0x2c9/0x630
[  600.676167][ T7705]  sbitmap_queue_init_node+0x3e/0x4d0
[  600.676204][ T7705]  blk_mq_init_tags+0x110/0x280
[  600.676247][ T7705]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  600.676300][ T7705]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  600.676340][ T7705]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  600.676371][ T7705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.676403][ T7705]  ? __raw_spin_lock_init+0x45/0x100
[  600.676441][ T7705]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  600.676479][ T7705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.676529][ T7705]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  600.676600][ T7705]  ? __pfx___mutex_lock+0x10/0x10
[  600.676638][ T7705]  nbd_start_device+0x17f/0xb10
[  600.676683][ T7705]  nbd_ioctl+0x636/0xeb0
[  600.676711][ T7705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.676747][ T7705]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.676786][ T7705]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.676808][ T7705]  blkdev_ioctl+0x5a8/0x6d0
[  600.676831][ T7705]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.676849][ T7705]  ? __fget_files+0x2a/0x420
[  600.676869][ T7705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.676891][ T7705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.676913][ T7705]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.676933][ T7705]  __se_sys_ioctl+0xfc/0x170
[  600.676959][ T7705]  do_syscall_64+0xfa/0x3b0
[  600.676979][ T7705]  ? lockdep_hardirqs_on+0x9c/0x150
[  600.676997][ T7705]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.677015][ T7705]  ? srso_alias_return_thunk+0x5/0xfbef5
[  600.677036][ T7705]  ? exc_page_fault+0x9f/0xf0
[  600.677056][ T7705]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.677074][ T7705] RIP: 0033:0x7f2807621569
[  600.677091][ T7705] 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
[  600.677107][ T7705] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.677127][ T7705] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  600.677141][ T7705] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  600.677153][ T7705] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  600.677166][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  600.677179][ T7705] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  600.677207][ T7705]  </TASK>
[  601.025544][ T7705] block nbd0: shutting down sockets
[  601.103207][ T7707] FAULT_INJECTION: forcing a failure.
[  601.103207][ T7707] name failslab, interval 1, probability 0, space 0, times 0
[  601.116050][ T7707] CPU: 0 UID: 0 PID: 7707 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  601.116075][ T7707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  601.116088][ T7707] Call Trace:
[  601.116096][ T7707]  <TASK>
[  601.116104][ T7707]  dump_stack_lvl+0x189/0x250
[  601.116133][ T7707]  ? __pfx____ratelimit+0x10/0x10
[  601.116153][ T7707]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.116176][ T7707]  ? __pfx__printk+0x10/0x10
[  601.116208][ T7707]  ? __pfx___might_resched+0x10/0x10
[  601.116231][ T7707]  should_fail_ex+0x414/0x560
[  601.116263][ T7707]  ? sbitmap_init_node+0x2c9/0x630
[  601.116283][ T7707]  should_failslab+0xa8/0x100
[  601.116314][ T7707]  __kvmalloc_node_noprof+0x161/0x5f0
[  601.116342][ T7707]  ? sbitmap_init_node+0x2c9/0x630
[  601.116368][ T7707]  sbitmap_init_node+0x2c9/0x630
[  601.116397][ T7707]  sbitmap_queue_init_node+0x3e/0x4d0
[  601.116424][ T7707]  blk_mq_init_tags+0x110/0x280
[  601.116454][ T7707]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  601.116490][ T7707]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  601.116518][ T7707]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  601.116539][ T7707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.116561][ T7707]  ? __raw_spin_lock_init+0x45/0x100
[  601.116588][ T7707]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  601.116615][ T7707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.116650][ T7707]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  601.116693][ T7707]  ? __pfx___mutex_lock+0x10/0x10
[  601.116719][ T7707]  nbd_start_device+0x17f/0xb10
[  601.116751][ T7707]  nbd_ioctl+0x636/0xeb0
[  601.116771][ T7707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.116797][ T7707]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.116828][ T7707]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.116858][ T7707]  blkdev_ioctl+0x5a8/0x6d0
[  601.116880][ T7707]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.116898][ T7707]  ? __fget_files+0x2a/0x420
[  601.116918][ T7707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.116939][ T7707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.116961][ T7707]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.116981][ T7707]  __se_sys_ioctl+0xfc/0x170
[  601.117007][ T7707]  do_syscall_64+0xfa/0x3b0
[  601.117033][ T7707]  ? lockdep_hardirqs_on+0x9c/0x150
[  601.117059][ T7707]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.117085][ T7707]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.117111][ T7707]  ? exc_page_fault+0x9f/0xf0
[  601.117132][ T7707]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.117151][ T7707] RIP: 0033:0x7f2807621569
[  601.117168][ T7707] 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
[  601.117184][ T7707] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.117203][ T7707] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  601.117217][ T7707] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.117229][ T7707] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  601.117243][ T7707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  601.117255][ T7707] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.117283][ T7707]  </TASK>
[  601.487412][ T7707] block nbd0: shutting down sockets
[  601.573010][ T7709] FAULT_INJECTION: forcing a failure.
[  601.573010][ T7709] name failslab, interval 1, probability 0, space 0, times 0
[  601.585745][ T7709] CPU: 1 UID: 0 PID: 7709 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  601.585777][ T7709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  601.585794][ T7709] Call Trace:
[  601.585806][ T7709]  <TASK>
[  601.585816][ T7709]  dump_stack_lvl+0x189/0x250
[  601.585845][ T7709]  ? __pfx____ratelimit+0x10/0x10
[  601.585865][ T7709]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.585889][ T7709]  ? __pfx__printk+0x10/0x10
[  601.585923][ T7709]  ? __pfx___might_resched+0x10/0x10
[  601.585947][ T7709]  should_fail_ex+0x414/0x560
[  601.585982][ T7709]  ? sbitmap_init_node+0x2c9/0x630
[  601.586002][ T7709]  should_failslab+0xa8/0x100
[  601.586032][ T7709]  __kvmalloc_node_noprof+0x161/0x5f0
[  601.586060][ T7709]  ? sbitmap_init_node+0x2c9/0x630
[  601.586085][ T7709]  sbitmap_init_node+0x2c9/0x630
[  601.586115][ T7709]  sbitmap_queue_init_node+0x3e/0x4d0
[  601.586142][ T7709]  blk_mq_init_tags+0x110/0x280
[  601.586172][ T7709]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  601.586208][ T7709]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  601.586236][ T7709]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  601.586258][ T7709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.586279][ T7709]  ? __raw_spin_lock_init+0x45/0x100
[  601.586305][ T7709]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  601.586332][ T7709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.586366][ T7709]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  601.586409][ T7709]  ? __pfx___mutex_lock+0x10/0x10
[  601.586436][ T7709]  nbd_start_device+0x17f/0xb10
[  601.586467][ T7709]  nbd_ioctl+0x636/0xeb0
[  601.586488][ T7709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.586514][ T7709]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.586545][ T7709]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.586567][ T7709]  blkdev_ioctl+0x5a8/0x6d0
[  601.586590][ T7709]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.586607][ T7709]  ? __fget_files+0x2a/0x420
[  601.586627][ T7709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.586648][ T7709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.586676][ T7709]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.586695][ T7709]  __se_sys_ioctl+0xfc/0x170
[  601.586722][ T7709]  do_syscall_64+0xfa/0x3b0
[  601.586742][ T7709]  ? lockdep_hardirqs_on+0x9c/0x150
[  601.586761][ T7709]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.586779][ T7709]  ? srso_alias_return_thunk+0x5/0xfbef5
[  601.586799][ T7709]  ? exc_page_fault+0x9f/0xf0
[  601.586821][ T7709]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.586845][ T7709] RIP: 0033:0x7f2807621569
[  601.586868][ T7709] 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
[  601.586889][ T7709] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.586916][ T7709] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  601.586932][ T7709] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.586944][ T7709] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  601.586957][ T7709] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  601.586970][ T7709] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.586998][ T7709]  </TASK>
[  602.018506][ T7709] block nbd0: shutting down sockets
[  602.142225][ T7712] FAULT_INJECTION: forcing a failure.
[  602.142225][ T7712] name failslab, interval 1, probability 0, space 0, times 0
[  602.155179][ T7712] CPU: 1 UID: 0 PID: 7712 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  602.155218][ T7712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  602.155235][ T7712] Call Trace:
[  602.155245][ T7712]  <TASK>
[  602.155256][ T7712]  dump_stack_lvl+0x189/0x250
[  602.155285][ T7712]  ? __pfx____ratelimit+0x10/0x10
[  602.155305][ T7712]  ? __pfx_dump_stack_lvl+0x10/0x10
[  602.155328][ T7712]  ? __pfx__printk+0x10/0x10
[  602.155360][ T7712]  ? __pfx___might_resched+0x10/0x10
[  602.155384][ T7712]  should_fail_ex+0x414/0x560
[  602.155416][ T7712]  ? sbitmap_init_node+0x2c9/0x630
[  602.155436][ T7712]  should_failslab+0xa8/0x100
[  602.155466][ T7712]  __kvmalloc_node_noprof+0x161/0x5f0
[  602.155494][ T7712]  ? sbitmap_init_node+0x2c9/0x630
[  602.155519][ T7712]  sbitmap_init_node+0x2c9/0x630
[  602.155549][ T7712]  sbitmap_queue_init_node+0x3e/0x4d0
[  602.155575][ T7712]  blk_mq_init_tags+0x110/0x280
[  602.155605][ T7712]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  602.155641][ T7712]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  602.155676][ T7712]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  602.155698][ T7712]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.155720][ T7712]  ? __raw_spin_lock_init+0x45/0x100
[  602.155746][ T7712]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  602.155770][ T7712]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  602.155801][ T7712]  ? lockdep_hardirqs_on+0x9c/0x150
[  602.155832][ T7712]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  602.155875][ T7712]  ? __pfx___mutex_lock+0x10/0x10
[  602.155901][ T7712]  nbd_start_device+0x17f/0xb10
[  602.155932][ T7712]  nbd_ioctl+0x636/0xeb0
[  602.155952][ T7712]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.155982][ T7712]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.156022][ T7712]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.156050][ T7712]  blkdev_ioctl+0x5a8/0x6d0
[  602.156073][ T7712]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.156091][ T7712]  ? __fget_files+0x2a/0x420
[  602.156111][ T7712]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.156132][ T7712]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.156154][ T7712]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.156174][ T7712]  __se_sys_ioctl+0xfc/0x170
[  602.156200][ T7712]  do_syscall_64+0xfa/0x3b0
[  602.156220][ T7712]  ? lockdep_hardirqs_on+0x9c/0x150
[  602.156239][ T7712]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.156256][ T7712]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.156277][ T7712]  ? exc_page_fault+0x9f/0xf0
[  602.156297][ T7712]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.156316][ T7712] RIP: 0033:0x7f2807621569
[  602.156333][ T7712] 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
[  602.156349][ T7712] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  602.156369][ T7712] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  602.156383][ T7712] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  602.156395][ T7712] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  602.156409][ T7712] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  602.156421][ T7712] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  602.156449][ T7712]  </TASK>
[  602.512059][ T7712] block nbd0: shutting down sockets
[  602.612864][ T7714] FAULT_INJECTION: forcing a failure.
[  602.612864][ T7714] name failslab, interval 1, probability 0, space 0, times 0
[  602.625634][ T7714] CPU: 0 UID: 0 PID: 7714 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  602.625668][ T7714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  602.625681][ T7714] Call Trace:
[  602.625690][ T7714]  <TASK>
[  602.625699][ T7714]  dump_stack_lvl+0x189/0x250
[  602.625728][ T7714]  ? __pfx____ratelimit+0x10/0x10
[  602.625749][ T7714]  ? __pfx_dump_stack_lvl+0x10/0x10
[  602.625772][ T7714]  ? __pfx__printk+0x10/0x10
[  602.625806][ T7714]  ? __pfx___might_resched+0x10/0x10
[  602.625831][ T7714]  should_fail_ex+0x414/0x560
[  602.625864][ T7714]  should_failslab+0xa8/0x100
[  602.625894][ T7714]  __kmalloc_cache_node_noprof+0x73/0x3d0
[  602.625923][ T7714]  ? blk_mq_init_tags+0x85/0x280
[  602.625954][ T7714]  blk_mq_init_tags+0x85/0x280
[  602.625982][ T7714]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  602.626018][ T7714]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  602.626045][ T7714]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  602.626067][ T7714]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.626089][ T7714]  ? __raw_spin_lock_init+0x45/0x100
[  602.626115][ T7714]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  602.626140][ T7714]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.626175][ T7714]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  602.626218][ T7714]  ? __pfx___mutex_lock+0x10/0x10
[  602.626244][ T7714]  nbd_start_device+0x17f/0xb10
[  602.626275][ T7714]  nbd_ioctl+0x636/0xeb0
[  602.626296][ T7714]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.626322][ T7714]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.626354][ T7714]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.626375][ T7714]  blkdev_ioctl+0x5a8/0x6d0
[  602.626397][ T7714]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.626415][ T7714]  ? __fget_files+0x2a/0x420
[  602.626434][ T7714]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.626455][ T7714]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.626477][ T7714]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.626497][ T7714]  __se_sys_ioctl+0xfc/0x170
[  602.626523][ T7714]  do_syscall_64+0xfa/0x3b0
[  602.626543][ T7714]  ? lockdep_hardirqs_on+0x9c/0x150
[  602.626562][ T7714]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.626579][ T7714]  ? srso_alias_return_thunk+0x5/0xfbef5
[  602.626600][ T7714]  ? exc_page_fault+0x9f/0xf0
[  602.626620][ T7714]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.626639][ T7714] RIP: 0033:0x7f2807621569
[  602.626656][ T7714] 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
[  602.626680][ T7714] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  602.626708][ T7714] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  602.626727][ T7714] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  602.626744][ T7714] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  602.626760][ T7714] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  602.626772][ T7714] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  602.626801][ T7714]  </TASK>
[  602.962093][ T7714] block nbd0: shutting down sockets
[  603.092162][ T7717] FAULT_INJECTION: forcing a failure.
[  603.092162][ T7717] name failslab, interval 1, probability 0, space 0, times 0
[  603.105056][ T7717] CPU: 1 UID: 0 PID: 7717 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  603.105081][ T7717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  603.105094][ T7717] Call Trace:
[  603.105101][ T7717]  <TASK>
[  603.105110][ T7717]  dump_stack_lvl+0x189/0x250
[  603.105138][ T7717]  ? __pfx____ratelimit+0x10/0x10
[  603.105159][ T7717]  ? __pfx_dump_stack_lvl+0x10/0x10
[  603.105182][ T7717]  ? __pfx__printk+0x10/0x10
[  603.105214][ T7717]  ? __pfx___might_resched+0x10/0x10
[  603.105237][ T7717]  should_fail_ex+0x414/0x560
[  603.105270][ T7717]  should_failslab+0xa8/0x100
[  603.105300][ T7717]  __kmalloc_cache_node_noprof+0x73/0x3d0
[  603.105329][ T7717]  ? blk_mq_init_tags+0x85/0x280
[  603.105359][ T7717]  blk_mq_init_tags+0x85/0x280
[  603.105388][ T7717]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  603.105424][ T7717]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  603.105451][ T7717]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  603.105473][ T7717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.105495][ T7717]  ? __raw_spin_lock_init+0x45/0x100
[  603.105521][ T7717]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  603.105545][ T7717]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  603.105575][ T7717]  ? lockdep_hardirqs_on+0x9c/0x150
[  603.105616][ T7717]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  603.105659][ T7717]  ? __pfx___mutex_lock+0x10/0x10
[  603.105685][ T7717]  nbd_start_device+0x17f/0xb10
[  603.105716][ T7717]  nbd_ioctl+0x636/0xeb0
[  603.105737][ T7717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.105763][ T7717]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.105797][ T7717]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.105826][ T7717]  blkdev_ioctl+0x5a8/0x6d0
[  603.105855][ T7717]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.105879][ T7717]  ? __fget_files+0x2a/0x420
[  603.105905][ T7717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.105927][ T7717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.105949][ T7717]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.105969][ T7717]  __se_sys_ioctl+0xfc/0x170
[  603.105995][ T7717]  do_syscall_64+0xfa/0x3b0
[  603.106015][ T7717]  ? lockdep_hardirqs_on+0x9c/0x150
[  603.106034][ T7717]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.106052][ T7717]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.106073][ T7717]  ? exc_page_fault+0x9f/0xf0
[  603.106093][ T7717]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.106112][ T7717] RIP: 0033:0x7f2807621569
[  603.106130][ T7717] 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
[  603.106146][ T7717] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.106166][ T7717] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  603.106180][ T7717] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  603.106192][ T7717] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  603.106206][ T7717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  603.106218][ T7717] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  603.106247][ T7717]  </TASK>
[  603.442427][ T7717] block nbd0: shutting down sockets
[  603.552887][ T7719] FAULT_INJECTION: forcing a failure.
[  603.552887][ T7719] name failslab, interval 1, probability 0, space 0, times 0
[  603.565695][ T7719] CPU: 0 UID: 0 PID: 7719 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  603.565731][ T7719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  603.565747][ T7719] Call Trace:
[  603.565755][ T7719]  <TASK>
[  603.565763][ T7719]  dump_stack_lvl+0x189/0x250
[  603.565793][ T7719]  ? __pfx____ratelimit+0x10/0x10
[  603.565814][ T7719]  ? __pfx_dump_stack_lvl+0x10/0x10
[  603.565837][ T7719]  ? __pfx__printk+0x10/0x10
[  603.565870][ T7719]  ? __pfx___might_resched+0x10/0x10
[  603.565900][ T7719]  should_fail_ex+0x414/0x560
[  603.565933][ T7719]  ? sbitmap_init_node+0x2c9/0x630
[  603.565953][ T7719]  should_failslab+0xa8/0x100
[  603.565985][ T7719]  __kvmalloc_node_noprof+0x161/0x5f0
[  603.566014][ T7719]  ? sbitmap_init_node+0x2c9/0x630
[  603.566040][ T7719]  sbitmap_init_node+0x2c9/0x630
[  603.566069][ T7719]  sbitmap_queue_init_node+0x3e/0x4d0
[  603.566096][ T7719]  blk_mq_init_tags+0x110/0x280
[  603.566126][ T7719]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  603.566163][ T7719]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  603.566190][ T7719]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  603.566214][ T7719]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.566245][ T7719]  ? __raw_spin_lock_init+0x45/0x100
[  603.566282][ T7719]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  603.566312][ T7719]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.566347][ T7719]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  603.566390][ T7719]  ? __pfx___mutex_lock+0x10/0x10
[  603.566417][ T7719]  nbd_start_device+0x17f/0xb10
[  603.566448][ T7719]  nbd_ioctl+0x636/0xeb0
[  603.566469][ T7719]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.566495][ T7719]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.566526][ T7719]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.566549][ T7719]  blkdev_ioctl+0x5a8/0x6d0
[  603.566571][ T7719]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.566589][ T7719]  ? __fget_files+0x2a/0x420
[  603.566609][ T7719]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.566631][ T7719]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.566653][ T7719]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.566672][ T7719]  __se_sys_ioctl+0xfc/0x170
[  603.566699][ T7719]  do_syscall_64+0xfa/0x3b0
[  603.566719][ T7719]  ? lockdep_hardirqs_on+0x9c/0x150
[  603.566738][ T7719]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.566755][ T7719]  ? srso_alias_return_thunk+0x5/0xfbef5
[  603.566776][ T7719]  ? exc_page_fault+0x9f/0xf0
[  603.566797][ T7719]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.566815][ T7719] RIP: 0033:0x7f2807621569
[  603.566834][ T7719] 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
[  603.566850][ T7719] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.566869][ T7719] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  603.566888][ T7719] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  603.566900][ T7719] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  603.566914][ T7719] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  603.566926][ T7719] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  603.566955][ T7719]  </TASK>
[  603.999873][ T7719] block nbd0: shutting down sockets
[  604.093261][ T7721] FAULT_INJECTION: forcing a failure.
[  604.093261][ T7721] name failslab, interval 1, probability 0, space 0, times 0
[  604.106082][ T7721] CPU: 1 UID: 0 PID: 7721 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  604.106118][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  604.106135][ T7721] Call Trace:
[  604.106147][ T7721]  <TASK>
[  604.106159][ T7721]  dump_stack_lvl+0x189/0x250
[  604.106198][ T7721]  ? __pfx____ratelimit+0x10/0x10
[  604.106229][ T7721]  ? __pfx_dump_stack_lvl+0x10/0x10
[  604.106266][ T7721]  ? __pfx__printk+0x10/0x10
[  604.106319][ T7721]  ? __pfx___might_resched+0x10/0x10
[  604.106360][ T7721]  should_fail_ex+0x414/0x560
[  604.106414][ T7721]  ? sbitmap_init_node+0x2c9/0x630
[  604.106446][ T7721]  should_failslab+0xa8/0x100
[  604.106495][ T7721]  __kvmalloc_node_noprof+0x161/0x5f0
[  604.106544][ T7721]  ? sbitmap_init_node+0x2c9/0x630
[  604.106587][ T7721]  sbitmap_init_node+0x2c9/0x630
[  604.106636][ T7721]  sbitmap_queue_init_node+0x3e/0x4d0
[  604.106688][ T7721]  blk_mq_init_tags+0x110/0x280
[  604.106740][ T7721]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  604.106801][ T7721]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  604.106961][ T7721]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  604.107028][ T7721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.107071][ T7721]  ? __raw_spin_lock_init+0x45/0x100
[  604.107120][ T7721]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  604.107158][ T7721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.107213][ T7721]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  604.107305][ T7721]  ? __pfx___mutex_lock+0x10/0x10
[  604.107360][ T7721]  nbd_start_device+0x17f/0xb10
[  604.107417][ T7721]  nbd_ioctl+0x636/0xeb0
[  604.107447][ T7721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.107489][ T7721]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.107553][ T7721]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.107638][ T7721]  blkdev_ioctl+0x5a8/0x6d0
[  604.107675][ T7721]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.107700][ T7721]  ? __fget_files+0x2a/0x420
[  604.107727][ T7721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.107757][ T7721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.107787][ T7721]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.107813][ T7721]  __se_sys_ioctl+0xfc/0x170
[  604.107852][ T7721]  do_syscall_64+0xfa/0x3b0
[  604.107876][ T7721]  ? lockdep_hardirqs_on+0x9c/0x150
[  604.107902][ T7721]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.107926][ T7721]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.107957][ T7721]  ? exc_page_fault+0x9f/0xf0
[  604.107984][ T7721]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.108012][ T7721] RIP: 0033:0x7f2807621569
[  604.108037][ T7721] 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
[  604.108057][ T7721] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  604.108084][ T7721] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  604.108102][ T7721] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  604.108120][ T7721] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  604.108140][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  604.108156][ T7721] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  604.108195][ T7721]  </TASK>
[  604.452913][ T7721] block nbd0: shutting down sockets
[  604.562918][ T7723] FAULT_INJECTION: forcing a failure.
[  604.562918][ T7723] name failslab, interval 1, probability 0, space 0, times 0
[  604.575648][ T7723] CPU: 0 UID: 0 PID: 7723 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  604.575687][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  604.575709][ T7723] Call Trace:
[  604.575718][ T7723]  <TASK>
[  604.575727][ T7723]  dump_stack_lvl+0x189/0x250
[  604.575758][ T7723]  ? __pfx____ratelimit+0x10/0x10
[  604.575780][ T7723]  ? __pfx_dump_stack_lvl+0x10/0x10
[  604.575803][ T7723]  ? __pfx__printk+0x10/0x10
[  604.575837][ T7723]  ? __pfx___might_resched+0x10/0x10
[  604.575861][ T7723]  should_fail_ex+0x414/0x560
[  604.575894][ T7723]  ? sbitmap_init_node+0x2c9/0x630
[  604.575914][ T7723]  should_failslab+0xa8/0x100
[  604.575948][ T7723]  __kvmalloc_node_noprof+0x161/0x5f0
[  604.575979][ T7723]  ? sbitmap_init_node+0x2c9/0x630
[  604.576006][ T7723]  sbitmap_init_node+0x2c9/0x630
[  604.576036][ T7723]  sbitmap_queue_init_node+0x3e/0x4d0
[  604.576063][ T7723]  blk_mq_init_tags+0x110/0x280
[  604.576096][ T7723]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  604.576133][ T7723]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  604.576162][ T7723]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  604.576184][ T7723]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.576206][ T7723]  ? __raw_spin_lock_init+0x45/0x100
[  604.576234][ T7723]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  604.576260][ T7723]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.576296][ T7723]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  604.576341][ T7723]  ? __pfx___mutex_lock+0x10/0x10
[  604.576368][ T7723]  nbd_start_device+0x17f/0xb10
[  604.576400][ T7723]  nbd_ioctl+0x636/0xeb0
[  604.576422][ T7723]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.576449][ T7723]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.576481][ T7723]  ? __pfx_nbd_ioctl+0x10/0x10
[  604.576504][ T7723]  blkdev_ioctl+0x5a8/0x6d0
[  604.576527][ T7723]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.576545][ T7723]  ? __fget_files+0x2a/0x420
[  604.576565][ T7723]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.576586][ T7723]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.576609][ T7723]  ? __pfx_blkdev_ioctl+0x10/0x10
[  604.576629][ T7723]  __se_sys_ioctl+0xfc/0x170
[  604.576657][ T7723]  do_syscall_64+0xfa/0x3b0
[  604.576677][ T7723]  ? lockdep_hardirqs_on+0x9c/0x150
[  604.576703][ T7723]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.576724][ T7723]  ? srso_alias_return_thunk+0x5/0xfbef5
[  604.576758][ T7723]  ? exc_page_fault+0x9f/0xf0
[  604.576791][ T7723]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  604.576815][ T7723] RIP: 0033:0x7f2807621569
[  604.576832][ T7723] 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
[  604.576849][ T7723] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  604.576869][ T7723] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  604.576884][ T7723] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  604.576896][ T7723] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  604.576910][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  604.576923][ T7723] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  604.576955][ T7723]  </TASK>
[  604.912179][ T7723] block nbd0: shutting down sockets
[  605.022592][ T7726] FAULT_INJECTION: forcing a failure.
[  605.022592][ T7726] name failslab, interval 1, probability 0, space 0, times 0
[  605.035348][ T7726] CPU: 0 UID: 0 PID: 7726 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  605.035382][ T7726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  605.035399][ T7726] Call Trace:
[  605.035411][ T7726]  <TASK>
[  605.035422][ T7726]  dump_stack_lvl+0x189/0x250
[  605.035459][ T7726]  ? __pfx____ratelimit+0x10/0x10
[  605.035479][ T7726]  ? __pfx_dump_stack_lvl+0x10/0x10
[  605.035502][ T7726]  ? __pfx__printk+0x10/0x10
[  605.035534][ T7726]  ? __pfx___might_resched+0x10/0x10
[  605.035558][ T7726]  should_fail_ex+0x414/0x560
[  605.035590][ T7726]  ? sbitmap_init_node+0x2c9/0x630
[  605.035609][ T7726]  should_failslab+0xa8/0x100
[  605.035640][ T7726]  __kvmalloc_node_noprof+0x161/0x5f0
[  605.035669][ T7726]  ? sbitmap_init_node+0x2c9/0x630
[  605.035694][ T7726]  sbitmap_init_node+0x2c9/0x630
[  605.035724][ T7726]  sbitmap_queue_init_node+0x3e/0x4d0
[  605.035750][ T7726]  blk_mq_init_tags+0x110/0x280
[  605.035780][ T7726]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  605.035816][ T7726]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  605.035843][ T7726]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  605.035865][ T7726]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.035892][ T7726]  ? __raw_spin_lock_init+0x45/0x100
[  605.035919][ T7726]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  605.035943][ T7726]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  605.035973][ T7726]  ? lockdep_hardirqs_on+0x9c/0x150
[  605.036004][ T7726]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  605.036047][ T7726]  ? __pfx___mutex_lock+0x10/0x10
[  605.036072][ T7726]  nbd_start_device+0x17f/0xb10
[  605.036103][ T7726]  nbd_ioctl+0x636/0xeb0
[  605.036124][ T7726]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.036150][ T7726]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.036181][ T7726]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.036203][ T7726]  blkdev_ioctl+0x5a8/0x6d0
[  605.036226][ T7726]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.036243][ T7726]  ? __fget_files+0x2a/0x420
[  605.036263][ T7726]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.036283][ T7726]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.036306][ T7726]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.036325][ T7726]  __se_sys_ioctl+0xfc/0x170
[  605.036351][ T7726]  do_syscall_64+0xfa/0x3b0
[  605.036371][ T7726]  ? lockdep_hardirqs_on+0x9c/0x150
[  605.036389][ T7726]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.036407][ T7726]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.036427][ T7726]  ? exc_page_fault+0x9f/0xf0
[  605.036448][ T7726]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.036468][ T7726] RIP: 0033:0x7f2807621569
[  605.036491][ T7726] 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
[  605.036514][ T7726] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.036541][ T7726] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  605.036560][ T7726] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  605.036572][ T7726] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  605.036585][ T7726] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  605.036598][ T7726] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  605.036628][ T7726]  </TASK>
[  605.382214][ T7726] block nbd0: shutting down sockets
[  605.492980][ T7728] FAULT_INJECTION: forcing a failure.
[  605.492980][ T7728] name failslab, interval 1, probability 0, space 0, times 0
[  605.505791][ T7728] CPU: 0 UID: 0 PID: 7728 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  605.505824][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  605.505844][ T7728] Call Trace:
[  605.505855][ T7728]  <TASK>
[  605.505866][ T7728]  dump_stack_lvl+0x189/0x250
[  605.505896][ T7728]  ? __pfx____ratelimit+0x10/0x10
[  605.505919][ T7728]  ? __pfx_dump_stack_lvl+0x10/0x10
[  605.505942][ T7728]  ? __pfx__printk+0x10/0x10
[  605.505974][ T7728]  ? __pfx___might_resched+0x10/0x10
[  605.505998][ T7728]  should_fail_ex+0x414/0x560
[  605.506031][ T7728]  should_failslab+0xa8/0x100
[  605.506061][ T7728]  __kmalloc_cache_node_noprof+0x73/0x3d0
[  605.506089][ T7728]  ? blk_mq_init_tags+0x85/0x280
[  605.506119][ T7728]  blk_mq_init_tags+0x85/0x280
[  605.506149][ T7728]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  605.506185][ T7728]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  605.506213][ T7728]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  605.506235][ T7728]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.506257][ T7728]  ? __raw_spin_lock_init+0x45/0x100
[  605.506283][ T7728]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  605.506309][ T7728]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.506344][ T7728]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  605.506388][ T7728]  ? __pfx___mutex_lock+0x10/0x10
[  605.506415][ T7728]  nbd_start_device+0x17f/0xb10
[  605.506446][ T7728]  nbd_ioctl+0x636/0xeb0
[  605.506466][ T7728]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.506493][ T7728]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.506524][ T7728]  ? __pfx_nbd_ioctl+0x10/0x10
[  605.506546][ T7728]  blkdev_ioctl+0x5a8/0x6d0
[  605.506569][ T7728]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.506586][ T7728]  ? __fget_files+0x2a/0x420
[  605.506607][ T7728]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.506627][ T7728]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.506649][ T7728]  ? __pfx_blkdev_ioctl+0x10/0x10
[  605.506674][ T7728]  __se_sys_ioctl+0xfc/0x170
[  605.506700][ T7728]  do_syscall_64+0xfa/0x3b0
[  605.506720][ T7728]  ? lockdep_hardirqs_on+0x9c/0x150
[  605.506738][ T7728]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.506756][ T7728]  ? srso_alias_return_thunk+0x5/0xfbef5
[  605.506777][ T7728]  ? exc_page_fault+0x9f/0xf0
[  605.506797][ T7728]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  605.506816][ T7728] RIP: 0033:0x7f2807621569
[  605.506834][ T7728] 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
[  605.506855][ T7728] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  605.506881][ T7728] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  605.506901][ T7728] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  605.506916][ T7728] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  605.506933][ T7728] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  605.506951][ T7728] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  605.506982][ T7728]  </TASK>
[  605.929076][ T7728] block nbd0: shutting down sockets
[  606.012879][ T7731] FAULT_INJECTION: forcing a failure.
[  606.012879][ T7731] name failslab, interval 1, probability 0, space 0, times 0
[  606.025727][ T7731] CPU: 0 UID: 0 PID: 7731 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  606.025762][ T7731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  606.025778][ T7731] Call Trace:
[  606.025792][ T7731]  <TASK>
[  606.025804][ T7731]  dump_stack_lvl+0x189/0x250
[  606.025843][ T7731]  ? __pfx____ratelimit+0x10/0x10
[  606.025867][ T7731]  ? __pfx_dump_stack_lvl+0x10/0x10
[  606.025895][ T7731]  ? __pfx__printk+0x10/0x10
[  606.025942][ T7731]  ? __pfx___might_resched+0x10/0x10
[  606.025969][ T7731]  should_fail_ex+0x414/0x560
[  606.026008][ T7731]  ? sbitmap_init_node+0x2c9/0x630
[  606.026031][ T7731]  should_failslab+0xa8/0x100
[  606.026065][ T7731]  __kvmalloc_node_noprof+0x161/0x5f0
[  606.026099][ T7731]  ? sbitmap_init_node+0x2c9/0x630
[  606.026130][ T7731]  sbitmap_init_node+0x2c9/0x630
[  606.026164][ T7731]  sbitmap_queue_init_node+0x3e/0x4d0
[  606.026196][ T7731]  blk_mq_init_tags+0x110/0x280
[  606.026232][ T7731]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  606.026274][ T7731]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  606.026308][ T7731]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  606.026333][ T7731]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.026360][ T7731]  ? __raw_spin_lock_init+0x45/0x100
[  606.026391][ T7731]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  606.026422][ T7731]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.026462][ T7731]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  606.026513][ T7731]  ? __pfx___mutex_lock+0x10/0x10
[  606.026545][ T7731]  nbd_start_device+0x17f/0xb10
[  606.026582][ T7731]  nbd_ioctl+0x636/0xeb0
[  606.026606][ T7731]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.026637][ T7731]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.026674][ T7731]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.026700][ T7731]  blkdev_ioctl+0x5a8/0x6d0
[  606.026727][ T7731]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.026750][ T7731]  ? __fget_files+0x2a/0x420
[  606.026776][ T7731]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.026800][ T7731]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.026826][ T7731]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.026850][ T7731]  __se_sys_ioctl+0xfc/0x170
[  606.026881][ T7731]  do_syscall_64+0xfa/0x3b0
[  606.026906][ T7731]  ? lockdep_hardirqs_on+0x9c/0x150
[  606.026933][ T7731]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.026954][ T7731]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.026979][ T7731]  ? exc_page_fault+0x9f/0xf0
[  606.027003][ T7731]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.027025][ T7731] RIP: 0033:0x7f2807621569
[  606.027044][ T7731] 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
[  606.027064][ T7731] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.027087][ T7731] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  606.027104][ T7731] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  606.027118][ T7731] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  606.027133][ T7731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  606.027148][ T7731] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  606.027182][ T7731]  </TASK>
[  606.352301][ T7731] block nbd0: shutting down sockets
[  606.444219][ T7733] FAULT_INJECTION: forcing a failure.
[  606.444219][ T7733] name failslab, interval 1, probability 0, space 0, times 0
[  606.457008][ T7733] CPU: 1 UID: 0 PID: 7733 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  606.457043][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  606.457061][ T7733] Call Trace:
[  606.457076][ T7733]  <TASK>
[  606.457088][ T7733]  dump_stack_lvl+0x189/0x250
[  606.457123][ T7733]  ? __pfx____ratelimit+0x10/0x10
[  606.457145][ T7733]  ? __pfx_dump_stack_lvl+0x10/0x10
[  606.457169][ T7733]  ? __pfx__printk+0x10/0x10
[  606.457203][ T7733]  ? __pfx___might_resched+0x10/0x10
[  606.457227][ T7733]  should_fail_ex+0x414/0x560
[  606.457264][ T7733]  ? sbitmap_init_node+0x2c9/0x630
[  606.457285][ T7733]  should_failslab+0xa8/0x100
[  606.457318][ T7733]  __kvmalloc_node_noprof+0x161/0x5f0
[  606.457349][ T7733]  ? sbitmap_init_node+0x2c9/0x630
[  606.457376][ T7733]  sbitmap_init_node+0x2c9/0x630
[  606.457407][ T7733]  sbitmap_queue_init_node+0x3e/0x4d0
[  606.457435][ T7733]  blk_mq_init_tags+0x110/0x280
[  606.457466][ T7733]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  606.457504][ T7733]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  606.457533][ T7733]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  606.457555][ T7733]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.457578][ T7733]  ? __raw_spin_lock_init+0x45/0x100
[  606.457605][ T7733]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  606.457632][ T7733]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.457669][ T7733]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  606.457714][ T7733]  ? __pfx___mutex_lock+0x10/0x10
[  606.457742][ T7733]  nbd_start_device+0x17f/0xb10
[  606.457774][ T7733]  nbd_ioctl+0x636/0xeb0
[  606.457795][ T7733]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.457822][ T7733]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.457855][ T7733]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.457878][ T7733]  blkdev_ioctl+0x5a8/0x6d0
[  606.457901][ T7733]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.457929][ T7733]  ? __fget_files+0x2a/0x420
[  606.457950][ T7733]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.457971][ T7733]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.457994][ T7733]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.458014][ T7733]  __se_sys_ioctl+0xfc/0x170
[  606.458042][ T7733]  do_syscall_64+0xfa/0x3b0
[  606.458063][ T7733]  ? lockdep_hardirqs_on+0x9c/0x150
[  606.458082][ T7733]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.458103][ T7733]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.458130][ T7733]  ? exc_page_fault+0x9f/0xf0
[  606.458158][ T7733]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.458184][ T7733] RIP: 0033:0x7f2807621569
[  606.458207][ T7733] 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
[  606.458226][ T7733] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.458247][ T7733] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  606.458262][ T7733] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  606.458274][ T7733] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  606.458288][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  606.458301][ T7733] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  606.458330][ T7733]  </TASK>
[  606.802140][ T7733] block nbd0: shutting down sockets
[  606.921870][ T7736] block nbd0: Device being setup by another task
[  606.928527][ T7735] FAULT_INJECTION: forcing a failure.
[  606.928527][ T7735] name failslab, interval 1, probability 0, space 0, times 0
[  606.941404][ T7735] CPU: 1 UID: 0 PID: 7735 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  606.941445][ T7735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  606.941462][ T7735] Call Trace:
[  606.941474][ T7735]  <TASK>
[  606.941485][ T7735]  dump_stack_lvl+0x189/0x250
[  606.941518][ T7735]  ? __pfx____ratelimit+0x10/0x10
[  606.941539][ T7735]  ? __pfx_dump_stack_lvl+0x10/0x10
[  606.941562][ T7735]  ? __pfx__printk+0x10/0x10
[  606.941595][ T7735]  ? __pfx___might_resched+0x10/0x10
[  606.941613][ T7735]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.941641][ T7735]  should_fail_ex+0x414/0x560
[  606.941684][ T7735]  should_failslab+0xa8/0x100
[  606.941715][ T7735]  kmem_cache_alloc_noprof+0x73/0x3c0
[  606.941741][ T7735]  ? security_inode_alloc+0x39/0x330
[  606.941766][ T7735]  security_inode_alloc+0x39/0x330
[  606.941788][ T7735]  inode_init_always_gfp+0x9ed/0xdc0
[  606.941824][ T7735]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  606.941842][ T7735]  alloc_inode+0x82/0x1b0
[  606.941871][ T7735]  new_inode+0x22/0x170
[  606.941917][ T7735]  __debugfs_create_file+0x14d/0x4f0
[  606.941951][ T7735]  debugfs_create_file_unsafe+0x3a/0x50
[  606.941983][ T7735]  nbd_start_device+0x39e/0xb10
[  606.942016][ T7735]  nbd_ioctl+0x636/0xeb0
[  606.942036][ T7735]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.942063][ T7735]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.942095][ T7735]  ? __pfx_nbd_ioctl+0x10/0x10
[  606.942117][ T7735]  blkdev_ioctl+0x5a8/0x6d0
[  606.942141][ T7735]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.942159][ T7735]  ? __fget_files+0x2a/0x420
[  606.942179][ T7735]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.942200][ T7735]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.942223][ T7735]  ? __pfx_blkdev_ioctl+0x10/0x10
[  606.942243][ T7735]  __se_sys_ioctl+0xfc/0x170
[  606.942270][ T7735]  do_syscall_64+0xfa/0x3b0
[  606.942291][ T7735]  ? lockdep_hardirqs_on+0x9c/0x150
[  606.942310][ T7735]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.942327][ T7735]  ? srso_alias_return_thunk+0x5/0xfbef5
[  606.942348][ T7735]  ? exc_page_fault+0x9f/0xf0
[  606.942368][ T7735]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  606.942387][ T7735] RIP: 0033:0x7f2807621569
[  606.942406][ T7735] 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
[  606.942422][ T7735] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  606.942442][ T7735] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  606.942456][ T7735] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  606.942469][ T7735] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  606.942482][ T7735] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  606.942494][ T7735] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  606.942524][ T7735]  </TASK>
[  607.220374][ T7735] debugfs: out of free dentries, can not create file 'size_bytes'
[  607.272077][ T7735] block nbd0: shutting down sockets
[  607.402346][ T7739] FAULT_INJECTION: forcing a failure.
[  607.402346][ T7739] name failslab, interval 1, probability 0, space 0, times 0
[  607.415226][ T7739] CPU: 0 UID: 0 PID: 7739 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  607.415260][ T7739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  607.415276][ T7739] Call Trace:
[  607.415287][ T7739]  <TASK>
[  607.415297][ T7739]  dump_stack_lvl+0x189/0x250
[  607.415326][ T7739]  ? __pfx____ratelimit+0x10/0x10
[  607.415347][ T7739]  ? __pfx_dump_stack_lvl+0x10/0x10
[  607.415371][ T7739]  ? __pfx__printk+0x10/0x10
[  607.415403][ T7739]  ? __pfx___might_resched+0x10/0x10
[  607.415426][ T7739]  should_fail_ex+0x414/0x560
[  607.415459][ T7739]  should_failslab+0xa8/0x100
[  607.415489][ T7739]  __kmalloc_cache_node_noprof+0x73/0x3d0
[  607.415517][ T7739]  ? blk_mq_init_tags+0x85/0x280
[  607.415547][ T7739]  blk_mq_init_tags+0x85/0x280
[  607.415576][ T7739]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  607.415616][ T7739]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  607.415643][ T7739]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  607.415665][ T7739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.415687][ T7739]  ? __raw_spin_lock_init+0x45/0x100
[  607.415714][ T7739]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  607.415738][ T7739]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  607.415768][ T7739]  ? lockdep_hardirqs_on+0x9c/0x150
[  607.415799][ T7739]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  607.415855][ T7739]  ? __pfx___mutex_lock+0x10/0x10
[  607.415881][ T7739]  nbd_start_device+0x17f/0xb10
[  607.415913][ T7739]  nbd_ioctl+0x636/0xeb0
[  607.415935][ T7739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.415961][ T7739]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.415992][ T7739]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.416014][ T7739]  blkdev_ioctl+0x5a8/0x6d0
[  607.416037][ T7739]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.416055][ T7739]  ? __fget_files+0x2a/0x420
[  607.416075][ T7739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.416096][ T7739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.416119][ T7739]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.416139][ T7739]  __se_sys_ioctl+0xfc/0x170
[  607.416165][ T7739]  do_syscall_64+0xfa/0x3b0
[  607.416186][ T7739]  ? lockdep_hardirqs_on+0x9c/0x150
[  607.416204][ T7739]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.416222][ T7739]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.416242][ T7739]  ? exc_page_fault+0x9f/0xf0
[  607.416263][ T7739]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.416285][ T7739] RIP: 0033:0x7f2807621569
[  607.416308][ T7739] 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
[  607.416330][ T7739] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  607.416356][ T7739] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  607.416375][ T7739] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  607.416392][ T7739] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  607.416409][ T7739] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  607.416422][ T7739] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  607.416451][ T7739]  </TASK>
[  607.844294][ T7739] block nbd0: shutting down sockets
[  607.933000][ T7741] FAULT_INJECTION: forcing a failure.
[  607.933000][ T7741] name failslab, interval 1, probability 0, space 0, times 0
[  607.945725][ T7741] CPU: 0 UID: 0 PID: 7741 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  607.945759][ T7741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  607.945777][ T7741] Call Trace:
[  607.945790][ T7741]  <TASK>
[  607.945799][ T7741]  dump_stack_lvl+0x189/0x250
[  607.945827][ T7741]  ? __pfx____ratelimit+0x10/0x10
[  607.945848][ T7741]  ? __pfx_dump_stack_lvl+0x10/0x10
[  607.945871][ T7741]  ? __pfx__printk+0x10/0x10
[  607.945903][ T7741]  ? __pfx___might_resched+0x10/0x10
[  607.945929][ T7741]  should_fail_ex+0x414/0x560
[  607.945962][ T7741]  ? sbitmap_init_node+0x2c9/0x630
[  607.945982][ T7741]  should_failslab+0xa8/0x100
[  607.946012][ T7741]  __kvmalloc_node_noprof+0x161/0x5f0
[  607.946041][ T7741]  ? sbitmap_init_node+0x2c9/0x630
[  607.946066][ T7741]  sbitmap_init_node+0x2c9/0x630
[  607.946097][ T7741]  sbitmap_queue_init_node+0x3e/0x4d0
[  607.946124][ T7741]  blk_mq_init_tags+0x110/0x280
[  607.946154][ T7741]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  607.946191][ T7741]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  607.946219][ T7741]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  607.946240][ T7741]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.946262][ T7741]  ? __raw_spin_lock_init+0x45/0x100
[  607.946289][ T7741]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  607.946315][ T7741]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.946350][ T7741]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  607.946394][ T7741]  ? __pfx___mutex_lock+0x10/0x10
[  607.946420][ T7741]  nbd_start_device+0x17f/0xb10
[  607.946452][ T7741]  nbd_ioctl+0x636/0xeb0
[  607.946472][ T7741]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.946498][ T7741]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.946530][ T7741]  ? __pfx_nbd_ioctl+0x10/0x10
[  607.946552][ T7741]  blkdev_ioctl+0x5a8/0x6d0
[  607.946575][ T7741]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.946592][ T7741]  ? __fget_files+0x2a/0x420
[  607.946612][ T7741]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.946633][ T7741]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.946656][ T7741]  ? __pfx_blkdev_ioctl+0x10/0x10
[  607.946680][ T7741]  __se_sys_ioctl+0xfc/0x170
[  607.946710][ T7741]  do_syscall_64+0xfa/0x3b0
[  607.946739][ T7741]  ? lockdep_hardirqs_on+0x9c/0x150
[  607.946765][ T7741]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.946788][ T7741]  ? srso_alias_return_thunk+0x5/0xfbef5
[  607.946808][ T7741]  ? exc_page_fault+0x9f/0xf0
[  607.946828][ T7741]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  607.946847][ T7741] RIP: 0033:0x7f2807621569
[  607.946864][ T7741] 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
[  607.946879][ T7741] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  607.946898][ T7741] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  607.946914][ T7741] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  607.946926][ T7741] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  607.946939][ T7741] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  607.946951][ T7741] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  607.946979][ T7741]  </TASK>
[  608.312044][ T7741] block nbd0: shutting down sockets
[  608.412871][ T7743] FAULT_INJECTION: forcing a failure.
[  608.412871][ T7743] name failslab, interval 1, probability 0, space 0, times 0
[  608.425599][ T7743] CPU: 1 UID: 0 PID: 7743 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  608.425629][ T7743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  608.425645][ T7743] Call Trace:
[  608.425654][ T7743]  <TASK>
[  608.425668][ T7743]  dump_stack_lvl+0x189/0x250
[  608.425701][ T7743]  ? __pfx____ratelimit+0x10/0x10
[  608.425722][ T7743]  ? __pfx_dump_stack_lvl+0x10/0x10
[  608.425746][ T7743]  ? __pfx__printk+0x10/0x10
[  608.425790][ T7743]  ? __pfx___might_resched+0x10/0x10
[  608.425824][ T7743]  should_fail_ex+0x414/0x560
[  608.425871][ T7743]  ? sbitmap_init_node+0x2c9/0x630
[  608.425891][ T7743]  should_failslab+0xa8/0x100
[  608.425926][ T7743]  __kvmalloc_node_noprof+0x161/0x5f0
[  608.425956][ T7743]  ? sbitmap_init_node+0x2c9/0x630
[  608.425982][ T7743]  sbitmap_init_node+0x2c9/0x630
[  608.426012][ T7743]  sbitmap_queue_init_node+0x3e/0x4d0
[  608.426039][ T7743]  blk_mq_init_tags+0x110/0x280
[  608.426075][ T7743]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  608.426112][ T7743]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  608.426140][ T7743]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  608.426162][ T7743]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.426184][ T7743]  ? __raw_spin_lock_init+0x45/0x100
[  608.426211][ T7743]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  608.426238][ T7743]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.426273][ T7743]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  608.426317][ T7743]  ? __pfx___mutex_lock+0x10/0x10
[  608.426344][ T7743]  nbd_start_device+0x17f/0xb10
[  608.426376][ T7743]  nbd_ioctl+0x636/0xeb0
[  608.426397][ T7743]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.426424][ T7743]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.426456][ T7743]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.426478][ T7743]  blkdev_ioctl+0x5a8/0x6d0
[  608.426501][ T7743]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.426519][ T7743]  ? __fget_files+0x2a/0x420
[  608.426539][ T7743]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.426561][ T7743]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.426583][ T7743]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.426604][ T7743]  __se_sys_ioctl+0xfc/0x170
[  608.426630][ T7743]  do_syscall_64+0xfa/0x3b0
[  608.426650][ T7743]  ? lockdep_hardirqs_on+0x9c/0x150
[  608.426676][ T7743]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.426694][ T7743]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.426715][ T7743]  ? exc_page_fault+0x9f/0xf0
[  608.426735][ T7743]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.426754][ T7743] RIP: 0033:0x7f2807621569
[  608.426773][ T7743] 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
[  608.426789][ T7743] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.426808][ T7743] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  608.426823][ T7743] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  608.426835][ T7743] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  608.426849][ T7743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  608.426861][ T7743] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  608.426895][ T7743]  </TASK>
[  608.762060][ T7743] block nbd0: shutting down sockets
[  608.862175][ T7746] FAULT_INJECTION: forcing a failure.
[  608.862175][ T7746] name failslab, interval 1, probability 0, space 0, times 0
[  608.875343][ T7746] CPU: 1 UID: 0 PID: 7746 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  608.875393][ T7746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  608.875413][ T7746] Call Trace:
[  608.875424][ T7746]  <TASK>
[  608.875435][ T7746]  dump_stack_lvl+0x189/0x250
[  608.875478][ T7746]  ? __pfx____ratelimit+0x10/0x10
[  608.875508][ T7746]  ? __pfx_dump_stack_lvl+0x10/0x10
[  608.875543][ T7746]  ? __pfx__printk+0x10/0x10
[  608.875592][ T7746]  ? __pfx___might_resched+0x10/0x10
[  608.875626][ T7746]  should_fail_ex+0x414/0x560
[  608.875683][ T7746]  ? sbitmap_init_node+0x2c9/0x630
[  608.875712][ T7746]  should_failslab+0xa8/0x100
[  608.875880][ T7746]  __kvmalloc_node_noprof+0x161/0x5f0
[  608.875954][ T7746]  ? sbitmap_init_node+0x2c9/0x630
[  608.875991][ T7746]  sbitmap_init_node+0x2c9/0x630
[  608.876030][ T7746]  sbitmap_queue_init_node+0x3e/0x4d0
[  608.876065][ T7746]  blk_mq_init_tags+0x110/0x280
[  608.876099][ T7746]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  608.876137][ T7746]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  608.876167][ T7746]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  608.876332][ T7746]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.876361][ T7746]  ? __raw_spin_lock_init+0x45/0x100
[  608.876389][ T7746]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  608.876415][ T7746]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  608.876447][ T7746]  ? lockdep_hardirqs_on+0x9c/0x150
[  608.876480][ T7746]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  608.876525][ T7746]  ? __pfx___mutex_lock+0x10/0x10
[  608.876552][ T7746]  nbd_start_device+0x17f/0xb10
[  608.876585][ T7746]  nbd_ioctl+0x636/0xeb0
[  608.876606][ T7746]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.876634][ T7746]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.876666][ T7746]  ? __pfx_nbd_ioctl+0x10/0x10
[  608.876701][ T7746]  blkdev_ioctl+0x5a8/0x6d0
[  608.876725][ T7746]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.876744][ T7746]  ? __fget_files+0x2a/0x420
[  608.876765][ T7746]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.876788][ T7746]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.876811][ T7746]  ? __pfx_blkdev_ioctl+0x10/0x10
[  608.876831][ T7746]  __se_sys_ioctl+0xfc/0x170
[  608.876859][ T7746]  do_syscall_64+0xfa/0x3b0
[  608.876881][ T7746]  ? lockdep_hardirqs_on+0x9c/0x150
[  608.876900][ T7746]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.876918][ T7746]  ? srso_alias_return_thunk+0x5/0xfbef5
[  608.876941][ T7746]  ? exc_page_fault+0x9f/0xf0
[  608.876963][ T7746]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  608.876984][ T7746] RIP: 0033:0x7f2807621569
[  608.877004][ T7746] 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
[  608.877021][ T7746] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  608.877056][ T7746] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  608.877079][ T7746] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  608.877095][ T7746] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  608.877112][ T7746] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  608.877128][ T7746] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  608.877165][ T7746]  </TASK>
[  609.317420][ T7746] block nbd0: shutting down sockets
[  609.451937][ T7749] block nbd0: Device being setup by another task
[  609.458954][ T7748] FAULT_INJECTION: forcing a failure.
[  609.458954][ T7748] name failslab, interval 1, probability 0, space 0, times 0
[  609.471819][ T7748] CPU: 1 UID: 0 PID: 7748 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  609.471858][ T7748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  609.471874][ T7748] Call Trace:
[  609.471884][ T7748]  <TASK>
[  609.471892][ T7748]  dump_stack_lvl+0x189/0x250
[  609.472034][ T7748]  ? __pfx____ratelimit+0x10/0x10
[  609.472063][ T7748]  ? __pfx_dump_stack_lvl+0x10/0x10
[  609.472088][ T7748]  ? __pfx__printk+0x10/0x10
[  609.472121][ T7748]  ? __pfx___might_resched+0x10/0x10
[  609.472139][ T7748]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.472166][ T7748]  should_fail_ex+0x414/0x560
[  609.472200][ T7748]  should_failslab+0xa8/0x100
[  609.472230][ T7748]  kmem_cache_alloc_noprof+0x73/0x3c0
[  609.472256][ T7748]  ? security_inode_alloc+0x39/0x330
[  609.472281][ T7748]  security_inode_alloc+0x39/0x330
[  609.472303][ T7748]  inode_init_always_gfp+0x9ed/0xdc0
[  609.472351][ T7748]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  609.472369][ T7748]  alloc_inode+0x82/0x1b0
[  609.472398][ T7748]  new_inode+0x22/0x170
[  609.472431][ T7748]  __debugfs_create_file+0x14d/0x4f0
[  609.472464][ T7748]  debugfs_create_file_unsafe+0x3a/0x50
[  609.472496][ T7748]  nbd_start_device+0x39e/0xb10
[  609.472528][ T7748]  nbd_ioctl+0x636/0xeb0
[  609.472549][ T7748]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.472575][ T7748]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.472607][ T7748]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.472629][ T7748]  blkdev_ioctl+0x5a8/0x6d0
[  609.472652][ T7748]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.472670][ T7748]  ? __fget_files+0x2a/0x420
[  609.472698][ T7748]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.472719][ T7748]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.472741][ T7748]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.472763][ T7748]  __se_sys_ioctl+0xfc/0x170
[  609.472789][ T7748]  do_syscall_64+0xfa/0x3b0
[  609.472810][ T7748]  ? lockdep_hardirqs_on+0x9c/0x150
[  609.472830][ T7748]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.472855][ T7748]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.472882][ T7748]  ? exc_page_fault+0x9f/0xf0
[  609.472907][ T7748]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.472930][ T7748] RIP: 0033:0x7f2807621569
[  609.472954][ T7748] 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
[  609.472974][ T7748] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.472998][ T7748] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  609.473016][ T7748] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  609.473031][ T7748] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  609.473047][ T7748] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  609.473063][ T7748] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  609.473097][ T7748]  </TASK>
[  609.473218][ T7748] debugfs: out of free dentries, can not create file 'size_bytes'
[  609.853173][ T7748] block nbd0: shutting down sockets
[  609.982643][ T7752] FAULT_INJECTION: forcing a failure.
[  609.982643][ T7752] name failslab, interval 1, probability 0, space 0, times 0
[  609.995600][ T7752] CPU: 1 UID: 0 PID: 7752 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  609.995626][ T7752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  609.995639][ T7752] Call Trace:
[  609.995647][ T7752]  <TASK>
[  609.995656][ T7752]  dump_stack_lvl+0x189/0x250
[  609.995685][ T7752]  ? __pfx____ratelimit+0x10/0x10
[  609.995708][ T7752]  ? __pfx_dump_stack_lvl+0x10/0x10
[  609.995731][ T7752]  ? __pfx__printk+0x10/0x10
[  609.995764][ T7752]  ? __pfx___might_resched+0x10/0x10
[  609.995787][ T7752]  should_fail_ex+0x414/0x560
[  609.995822][ T7752]  ? sbitmap_init_node+0x2c9/0x630
[  609.995842][ T7752]  should_failslab+0xa8/0x100
[  609.995873][ T7752]  __kvmalloc_node_noprof+0x161/0x5f0
[  609.995903][ T7752]  ? sbitmap_init_node+0x2c9/0x630
[  609.995929][ T7752]  sbitmap_init_node+0x2c9/0x630
[  609.995964][ T7752]  sbitmap_queue_init_node+0x3e/0x4d0
[  609.995990][ T7752]  blk_mq_init_tags+0x110/0x280
[  609.996022][ T7752]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  609.996058][ T7752]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  609.996086][ T7752]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  609.996108][ T7752]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.996129][ T7752]  ? __raw_spin_lock_init+0x45/0x100
[  609.996156][ T7752]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  609.996179][ T7752]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  609.996212][ T7752]  ? lockdep_hardirqs_on+0x9c/0x150
[  609.996243][ T7752]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  609.996286][ T7752]  ? __pfx___mutex_lock+0x10/0x10
[  609.996312][ T7752]  nbd_start_device+0x17f/0xb10
[  609.996343][ T7752]  nbd_ioctl+0x636/0xeb0
[  609.996364][ T7752]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.996390][ T7752]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.996422][ T7752]  ? __pfx_nbd_ioctl+0x10/0x10
[  609.996444][ T7752]  blkdev_ioctl+0x5a8/0x6d0
[  609.996467][ T7752]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.996484][ T7752]  ? __fget_files+0x2a/0x420
[  609.996504][ T7752]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.996525][ T7752]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.996547][ T7752]  ? __pfx_blkdev_ioctl+0x10/0x10
[  609.996570][ T7752]  __se_sys_ioctl+0xfc/0x170
[  609.996610][ T7752]  do_syscall_64+0xfa/0x3b0
[  609.996639][ T7752]  ? lockdep_hardirqs_on+0x9c/0x150
[  609.996668][ T7752]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.996688][ T7752]  ? srso_alias_return_thunk+0x5/0xfbef5
[  609.996710][ T7752]  ? exc_page_fault+0x9f/0xf0
[  609.996730][ T7752]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  609.996749][ T7752] RIP: 0033:0x7f2807621569
[  609.996766][ T7752] 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
[  609.996783][ T7752] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  609.996803][ T7752] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  609.996817][ T7752] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  609.996829][ T7752] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  609.996843][ T7752] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  609.996856][ T7752] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  609.996885][ T7752]  </TASK>
[  610.443026][ T7752] block nbd0: shutting down sockets
[  610.532804][ T7754] FAULT_INJECTION: forcing a failure.
[  610.532804][ T7754] name failslab, interval 1, probability 0, space 0, times 0
[  610.545652][ T7754] CPU: 0 UID: 0 PID: 7754 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  610.545687][ T7754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  610.545704][ T7754] Call Trace:
[  610.545713][ T7754]  <TASK>
[  610.545724][ T7754]  dump_stack_lvl+0x189/0x250
[  610.545763][ T7754]  ? __pfx____ratelimit+0x10/0x10
[  610.545791][ T7754]  ? __pfx_dump_stack_lvl+0x10/0x10
[  610.545824][ T7754]  ? __pfx__printk+0x10/0x10
[  610.545872][ T7754]  ? __pfx___might_resched+0x10/0x10
[  610.545906][ T7754]  should_fail_ex+0x414/0x560
[  610.545958][ T7754]  ? sbitmap_init_node+0x2c9/0x630
[  610.545985][ T7754]  should_failslab+0xa8/0x100
[  610.546028][ T7754]  __kvmalloc_node_noprof+0x161/0x5f0
[  610.546069][ T7754]  ? sbitmap_init_node+0x2c9/0x630
[  610.546107][ T7754]  sbitmap_init_node+0x2c9/0x630
[  610.546150][ T7754]  sbitmap_queue_init_node+0x3e/0x4d0
[  610.546188][ T7754]  blk_mq_init_tags+0x110/0x280
[  610.546231][ T7754]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  610.546284][ T7754]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  610.546325][ T7754]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  610.546357][ T7754]  ? srso_alias_return_thunk+0x5/0xfbef5
[  610.546388][ T7754]  ? __raw_spin_lock_init+0x45/0x100
[  610.546426][ T7754]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  610.546462][ T7754]  ? srso_alias_return_thunk+0x5/0xfbef5
[  610.546509][ T7754]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  610.546568][ T7754]  ? __pfx___mutex_lock+0x10/0x10
[  610.546605][ T7754]  nbd_start_device+0x17f/0xb10
[  610.546647][ T7754]  nbd_ioctl+0x636/0xeb0
[  610.546673][ T7754]  ? srso_alias_return_thunk+0x5/0xfbef5
[  610.546707][ T7754]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.546747][ T7754]  ? __pfx_nbd_ioctl+0x10/0x10
[  610.546778][ T7754]  blkdev_ioctl+0x5a8/0x6d0
[  610.546810][ T7754]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.546830][ T7754]  ? __fget_files+0x2a/0x420
[  610.546854][ T7754]  ? srso_alias_return_thunk+0x5/0xfbef5
[  610.546879][ T7754]  ? srso_alias_return_thunk+0x5/0xfbef5
[  610.546905][ T7754]  ? __pfx_blkdev_ioctl+0x10/0x10
[  610.546932][ T7754]  __se_sys_ioctl+0xfc/0x170
[  610.546964][ T7754]  do_syscall_64+0xfa/0x3b0
[  610.546988][ T7754]  ? lockdep_hardirqs_on+0x9c/0x150
[  610.547010][ T7754]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.547031][ T7754]  ? srso_alias_return_thunk+0x5/0xfbef5
[  610.547056][ T7754]  ? exc_page_fault+0x9f/0xf0
[  610.547079][ T7754]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  610.547101][ T7754] RIP: 0033:0x7f2807621569
[  610.547122][ T7754] 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
[  610.547141][ T7754] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  610.547164][ T7754] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  610.547181][ T7754] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  610.547194][ T7754] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  610.547210][ T7754] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  610.547225][ T7754] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  610.547258][ T7754]  </TASK>
[  610.981936][ T7754] block nbd0: shutting down sockets
[  611.112461][ T7757] FAULT_INJECTION: forcing a failure.
[  611.112461][ T7757] name failslab, interval 1, probability 0, space 0, times 0
[  611.125247][ T7757] CPU: 1 UID: 0 PID: 7757 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  611.125282][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  611.125299][ T7757] Call Trace:
[  611.125311][ T7757]  <TASK>
[  611.125321][ T7757]  dump_stack_lvl+0x189/0x250
[  611.125351][ T7757]  ? __pfx____ratelimit+0x10/0x10
[  611.125372][ T7757]  ? __pfx_dump_stack_lvl+0x10/0x10
[  611.125396][ T7757]  ? __pfx__printk+0x10/0x10
[  611.125428][ T7757]  ? __pfx___might_resched+0x10/0x10
[  611.125452][ T7757]  should_fail_ex+0x414/0x560
[  611.125487][ T7757]  ? sbitmap_init_node+0x2c9/0x630
[  611.125506][ T7757]  should_failslab+0xa8/0x100
[  611.125538][ T7757]  __kvmalloc_node_noprof+0x161/0x5f0
[  611.125567][ T7757]  ? sbitmap_init_node+0x2c9/0x630
[  611.125593][ T7757]  sbitmap_init_node+0x2c9/0x630
[  611.125622][ T7757]  sbitmap_queue_init_node+0x3e/0x4d0
[  611.125649][ T7757]  blk_mq_init_tags+0x110/0x280
[  611.125686][ T7757]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  611.125723][ T7757]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  611.125751][ T7757]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  611.125772][ T7757]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.125794][ T7757]  ? __raw_spin_lock_init+0x45/0x100
[  611.125821][ T7757]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  611.125845][ T7757]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  611.125875][ T7757]  ? lockdep_hardirqs_on+0x9c/0x150
[  611.125907][ T7757]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  611.125954][ T7757]  ? __pfx___mutex_lock+0x10/0x10
[  611.125989][ T7757]  nbd_start_device+0x17f/0xb10
[  611.126032][ T7757]  nbd_ioctl+0x636/0xeb0
[  611.126056][ T7757]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.126083][ T7757]  ? __pfx_nbd_ioctl+0x10/0x10
[  611.126115][ T7757]  ? __pfx_nbd_ioctl+0x10/0x10
[  611.126137][ T7757]  blkdev_ioctl+0x5a8/0x6d0
[  611.126160][ T7757]  ? __pfx_blkdev_ioctl+0x10/0x10
[  611.126178][ T7757]  ? __fget_files+0x2a/0x420
[  611.126199][ T7757]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.126219][ T7757]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.126242][ T7757]  ? __pfx_blkdev_ioctl+0x10/0x10
[  611.126262][ T7757]  __se_sys_ioctl+0xfc/0x170
[  611.126288][ T7757]  do_syscall_64+0xfa/0x3b0
[  611.126308][ T7757]  ? lockdep_hardirqs_on+0x9c/0x150
[  611.126327][ T7757]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.126345][ T7757]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.126366][ T7757]  ? exc_page_fault+0x9f/0xf0
[  611.126387][ T7757]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.126406][ T7757] RIP: 0033:0x7f2807621569
[  611.126426][ T7757] 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
[  611.126441][ T7757] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  611.126463][ T7757] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  611.126477][ T7757] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  611.126489][ T7757] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  611.126503][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  611.126515][ T7757] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  611.126544][ T7757]  </TASK>
[  611.502149][ T7757] block nbd0: shutting down sockets
[  611.631932][ T7760] block nbd0: Device being setup by another task
[  611.638701][ T7759] FAULT_INJECTION: forcing a failure.
[  611.638701][ T7759] name failslab, interval 1, probability 0, space 0, times 0
[  611.651541][ T7759] CPU: 0 UID: 0 PID: 7759 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  611.651573][ T7759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  611.651589][ T7759] Call Trace:
[  611.651599][ T7759]  <TASK>
[  611.651610][ T7759]  dump_stack_lvl+0x189/0x250
[  611.651651][ T7759]  ? __pfx____ratelimit+0x10/0x10
[  611.651693][ T7759]  ? __pfx_dump_stack_lvl+0x10/0x10
[  611.651723][ T7759]  ? __pfx__printk+0x10/0x10
[  611.651766][ T7759]  ? __pfx___might_resched+0x10/0x10
[  611.651792][ T7759]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.651831][ T7759]  should_fail_ex+0x414/0x560
[  611.651879][ T7759]  should_failslab+0xa8/0x100
[  611.651921][ T7759]  kmem_cache_alloc_noprof+0x73/0x3c0
[  611.651957][ T7759]  ? security_inode_alloc+0x39/0x330
[  611.651993][ T7759]  security_inode_alloc+0x39/0x330
[  611.652024][ T7759]  inode_init_always_gfp+0x9ed/0xdc0
[  611.652071][ T7759]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  611.652096][ T7759]  alloc_inode+0x82/0x1b0
[  611.652136][ T7759]  new_inode+0x22/0x170
[  611.652183][ T7759]  __debugfs_create_file+0x14d/0x4f0
[  611.652230][ T7759]  debugfs_create_file_unsafe+0x3a/0x50
[  611.652275][ T7759]  nbd_start_device+0x39e/0xb10
[  611.652320][ T7759]  nbd_ioctl+0x636/0xeb0
[  611.652349][ T7759]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.652387][ T7759]  ? __pfx_nbd_ioctl+0x10/0x10
[  611.652432][ T7759]  ? __pfx_nbd_ioctl+0x10/0x10
[  611.652463][ T7759]  blkdev_ioctl+0x5a8/0x6d0
[  611.652495][ T7759]  ? __pfx_blkdev_ioctl+0x10/0x10
[  611.652519][ T7759]  ? __fget_files+0x2a/0x420
[  611.652546][ T7759]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.652575][ T7759]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.652605][ T7759]  ? __pfx_blkdev_ioctl+0x10/0x10
[  611.652632][ T7759]  __se_sys_ioctl+0xfc/0x170
[  611.652676][ T7759]  do_syscall_64+0xfa/0x3b0
[  611.652704][ T7759]  ? lockdep_hardirqs_on+0x9c/0x150
[  611.652729][ T7759]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.652754][ T7759]  ? srso_alias_return_thunk+0x5/0xfbef5
[  611.652783][ T7759]  ? exc_page_fault+0x9f/0xf0
[  611.652810][ T7759]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  611.652835][ T7759] RIP: 0033:0x7f2807621569
[  611.652858][ T7759] 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
[  611.652880][ T7759] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  611.652907][ T7759] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  611.652927][ T7759] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  611.652942][ T7759] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  611.652961][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  611.652979][ T7759] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  611.653018][ T7759]  </TASK>
[  611.931603][ T7759] debugfs: out of free dentries, can not create file 'size_bytes'
[  612.063697][ T7759] block nbd0: shutting down sockets
[  612.192215][ T7763] FAULT_INJECTION: forcing a failure.
[  612.192215][ T7763] name failslab, interval 1, probability 0, space 0, times 0
[  612.205093][ T7763] CPU: 1 UID: 0 PID: 7763 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  612.205119][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  612.205132][ T7763] Call Trace:
[  612.205140][ T7763]  <TASK>
[  612.205149][ T7763]  dump_stack_lvl+0x189/0x250
[  612.205178][ T7763]  ? __pfx____ratelimit+0x10/0x10
[  612.205200][ T7763]  ? __pfx_dump_stack_lvl+0x10/0x10
[  612.205224][ T7763]  ? __pfx__printk+0x10/0x10
[  612.205256][ T7763]  ? __pfx___might_resched+0x10/0x10
[  612.205281][ T7763]  should_fail_ex+0x414/0x560
[  612.205315][ T7763]  ? sbitmap_init_node+0x2c9/0x630
[  612.205335][ T7763]  should_failslab+0xa8/0x100
[  612.205368][ T7763]  __kvmalloc_node_noprof+0x161/0x5f0
[  612.205398][ T7763]  ? sbitmap_init_node+0x2c9/0x630
[  612.205425][ T7763]  sbitmap_init_node+0x2c9/0x630
[  612.205456][ T7763]  sbitmap_queue_init_node+0x3e/0x4d0
[  612.205484][ T7763]  blk_mq_init_tags+0x110/0x280
[  612.205517][ T7763]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  612.205554][ T7763]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  612.205583][ T7763]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  612.205605][ T7763]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.205630][ T7763]  ? __raw_spin_lock_init+0x45/0x100
[  612.205657][ T7763]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  612.205682][ T7763]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  612.205715][ T7763]  ? lockdep_hardirqs_on+0x9c/0x150
[  612.205747][ T7763]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  612.205791][ T7763]  ? __pfx___mutex_lock+0x10/0x10
[  612.205817][ T7763]  nbd_start_device+0x17f/0xb10
[  612.205850][ T7763]  nbd_ioctl+0x636/0xeb0
[  612.205879][ T7763]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.205907][ T7763]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.205938][ T7763]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.205961][ T7763]  blkdev_ioctl+0x5a8/0x6d0
[  612.205984][ T7763]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.206001][ T7763]  ? __fget_files+0x2a/0x420
[  612.206022][ T7763]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.206043][ T7763]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.206070][ T7763]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.206097][ T7763]  __se_sys_ioctl+0xfc/0x170
[  612.206133][ T7763]  do_syscall_64+0xfa/0x3b0
[  612.206160][ T7763]  ? lockdep_hardirqs_on+0x9c/0x150
[  612.206186][ T7763]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.206206][ T7763]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.206227][ T7763]  ? exc_page_fault+0x9f/0xf0
[  612.206248][ T7763]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.206268][ T7763] RIP: 0033:0x7f2807621569
[  612.206286][ T7763] 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
[  612.206302][ T7763] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.206322][ T7763] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  612.206337][ T7763] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  612.206349][ T7763] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  612.206363][ T7763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  612.206376][ T7763] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  612.206405][ T7763]  </TASK>
[  612.642704][ T7763] block nbd0: shutting down sockets
[  612.742955][ T7765] FAULT_INJECTION: forcing a failure.
[  612.742955][ T7765] name failslab, interval 1, probability 0, space 0, times 0
[  612.755828][ T7765] CPU: 0 UID: 0 PID: 7765 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  612.755862][ T7765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  612.755878][ T7765] Call Trace:
[  612.755887][ T7765]  <TASK>
[  612.755897][ T7765]  dump_stack_lvl+0x189/0x250
[  612.755926][ T7765]  ? __pfx____ratelimit+0x10/0x10
[  612.755953][ T7765]  ? __pfx_dump_stack_lvl+0x10/0x10
[  612.755976][ T7765]  ? __pfx__printk+0x10/0x10
[  612.756009][ T7765]  ? __pfx___might_resched+0x10/0x10
[  612.756032][ T7765]  should_fail_ex+0x414/0x560
[  612.756064][ T7765]  ? sbitmap_init_node+0x2c9/0x630
[  612.756087][ T7765]  should_failslab+0xa8/0x100
[  612.756116][ T7765]  __kvmalloc_node_noprof+0x161/0x5f0
[  612.756144][ T7765]  ? sbitmap_init_node+0x2c9/0x630
[  612.756170][ T7765]  sbitmap_init_node+0x2c9/0x630
[  612.756199][ T7765]  sbitmap_queue_init_node+0x3e/0x4d0
[  612.756225][ T7765]  blk_mq_init_tags+0x110/0x280
[  612.756255][ T7765]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  612.756291][ T7765]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  612.756318][ T7765]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  612.756340][ T7765]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.756361][ T7765]  ? __raw_spin_lock_init+0x45/0x100
[  612.756388][ T7765]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  612.756414][ T7765]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.756448][ T7765]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  612.756491][ T7765]  ? __pfx___mutex_lock+0x10/0x10
[  612.756518][ T7765]  nbd_start_device+0x17f/0xb10
[  612.756549][ T7765]  nbd_ioctl+0x636/0xeb0
[  612.756569][ T7765]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.756595][ T7765]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.756627][ T7765]  ? __pfx_nbd_ioctl+0x10/0x10
[  612.756649][ T7765]  blkdev_ioctl+0x5a8/0x6d0
[  612.756671][ T7765]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.756689][ T7765]  ? __fget_files+0x2a/0x420
[  612.756709][ T7765]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.756729][ T7765]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.756751][ T7765]  ? __pfx_blkdev_ioctl+0x10/0x10
[  612.756771][ T7765]  __se_sys_ioctl+0xfc/0x170
[  612.756797][ T7765]  do_syscall_64+0xfa/0x3b0
[  612.756817][ T7765]  ? lockdep_hardirqs_on+0x9c/0x150
[  612.756836][ T7765]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.756853][ T7765]  ? srso_alias_return_thunk+0x5/0xfbef5
[  612.756874][ T7765]  ? exc_page_fault+0x9f/0xf0
[  612.756894][ T7765]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  612.756912][ T7765] RIP: 0033:0x7f2807621569
[  612.756930][ T7765] 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
[  612.756950][ T7765] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  612.756969][ T7765] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  612.756983][ T7765] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  612.756995][ T7765] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  612.757008][ T7765] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  612.757021][ T7765] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  612.757049][ T7765]  </TASK>
[  613.188997][ T7765] block nbd0: shutting down sockets
[  613.332269][ T7768] FAULT_INJECTION: forcing a failure.
[  613.332269][ T7768] name failslab, interval 1, probability 0, space 0, times 0
[  613.345160][ T7768] CPU: 0 UID: 0 PID: 7768 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  613.345197][ T7768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  613.345210][ T7768] Call Trace:
[  613.345219][ T7768]  <TASK>
[  613.345228][ T7768]  dump_stack_lvl+0x189/0x250
[  613.345258][ T7768]  ? __pfx____ratelimit+0x10/0x10
[  613.345280][ T7768]  ? __pfx_dump_stack_lvl+0x10/0x10
[  613.345303][ T7768]  ? __pfx__printk+0x10/0x10
[  613.345336][ T7768]  ? __pfx___might_resched+0x10/0x10
[  613.345360][ T7768]  should_fail_ex+0x414/0x560
[  613.345394][ T7768]  ? sbitmap_init_node+0x2c9/0x630
[  613.345414][ T7768]  should_failslab+0xa8/0x100
[  613.345444][ T7768]  __kvmalloc_node_noprof+0x161/0x5f0
[  613.345473][ T7768]  ? sbitmap_init_node+0x2c9/0x630
[  613.345499][ T7768]  sbitmap_init_node+0x2c9/0x630
[  613.345529][ T7768]  sbitmap_queue_init_node+0x3e/0x4d0
[  613.345557][ T7768]  blk_mq_init_tags+0x110/0x280
[  613.345588][ T7768]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  613.345625][ T7768]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  613.345654][ T7768]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  613.345682][ T7768]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.345705][ T7768]  ? __raw_spin_lock_init+0x45/0x100
[  613.345732][ T7768]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  613.345756][ T7768]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  613.345787][ T7768]  ? lockdep_hardirqs_on+0x9c/0x150
[  613.345820][ T7768]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  613.345864][ T7768]  ? __pfx___mutex_lock+0x10/0x10
[  613.345891][ T7768]  nbd_start_device+0x17f/0xb10
[  613.345925][ T7768]  nbd_ioctl+0x636/0xeb0
[  613.345946][ T7768]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.345973][ T7768]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.346005][ T7768]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.346028][ T7768]  blkdev_ioctl+0x5a8/0x6d0
[  613.346051][ T7768]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.346069][ T7768]  ? __fget_files+0x2a/0x420
[  613.346090][ T7768]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.346111][ T7768]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.346134][ T7768]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.346154][ T7768]  __se_sys_ioctl+0xfc/0x170
[  613.346189][ T7768]  do_syscall_64+0xfa/0x3b0
[  613.346219][ T7768]  ? lockdep_hardirqs_on+0x9c/0x150
[  613.346246][ T7768]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.346273][ T7768]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.346294][ T7768]  ? exc_page_fault+0x9f/0xf0
[  613.346315][ T7768]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.346334][ T7768] RIP: 0033:0x7f2807621569
[  613.346352][ T7768] 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
[  613.346369][ T7768] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.346389][ T7768] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  613.346404][ T7768] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  613.346416][ T7768] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  613.346431][ T7768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  613.346445][ T7768] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  613.346475][ T7768]  </TASK>
[  613.692316][ T7768] block nbd0: shutting down sockets
[  613.802993][ T7770] FAULT_INJECTION: forcing a failure.
[  613.802993][ T7770] name failslab, interval 1, probability 0, space 0, times 0
[  613.815757][ T7770] CPU: 1 UID: 0 PID: 7770 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  613.815790][ T7770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  613.815807][ T7770] Call Trace:
[  613.815817][ T7770]  <TASK>
[  613.815826][ T7770]  dump_stack_lvl+0x189/0x250
[  613.815855][ T7770]  ? __pfx____ratelimit+0x10/0x10
[  613.815877][ T7770]  ? __pfx_dump_stack_lvl+0x10/0x10
[  613.815899][ T7770]  ? __pfx__printk+0x10/0x10
[  613.815932][ T7770]  ? __pfx___might_resched+0x10/0x10
[  613.815955][ T7770]  should_fail_ex+0x414/0x560
[  613.815988][ T7770]  ? sbitmap_init_node+0x2c9/0x630
[  613.816007][ T7770]  should_failslab+0xa8/0x100
[  613.816037][ T7770]  __kvmalloc_node_noprof+0x161/0x5f0
[  613.816065][ T7770]  ? sbitmap_init_node+0x2c9/0x630
[  613.816090][ T7770]  sbitmap_init_node+0x2c9/0x630
[  613.816120][ T7770]  sbitmap_queue_init_node+0x3e/0x4d0
[  613.816146][ T7770]  blk_mq_init_tags+0x110/0x280
[  613.816176][ T7770]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  613.816212][ T7770]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  613.816240][ T7770]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  613.816261][ T7770]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.816283][ T7770]  ? __raw_spin_lock_init+0x45/0x100
[  613.816309][ T7770]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  613.816336][ T7770]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.816370][ T7770]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  613.816413][ T7770]  ? __pfx___mutex_lock+0x10/0x10
[  613.816439][ T7770]  nbd_start_device+0x17f/0xb10
[  613.816472][ T7770]  nbd_ioctl+0x636/0xeb0
[  613.816499][ T7770]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.816535][ T7770]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.816573][ T7770]  ? __pfx_nbd_ioctl+0x10/0x10
[  613.816604][ T7770]  blkdev_ioctl+0x5a8/0x6d0
[  613.816627][ T7770]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.816645][ T7770]  ? __fget_files+0x2a/0x420
[  613.816665][ T7770]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.816686][ T7770]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.816708][ T7770]  ? __pfx_blkdev_ioctl+0x10/0x10
[  613.816727][ T7770]  __se_sys_ioctl+0xfc/0x170
[  613.816753][ T7770]  do_syscall_64+0xfa/0x3b0
[  613.816773][ T7770]  ? lockdep_hardirqs_on+0x9c/0x150
[  613.816792][ T7770]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.816810][ T7770]  ? srso_alias_return_thunk+0x5/0xfbef5
[  613.816830][ T7770]  ? exc_page_fault+0x9f/0xf0
[  613.816852][ T7770]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.816870][ T7770] RIP: 0033:0x7f2807621569
[  613.816887][ T7770] 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
[  613.816904][ T7770] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  613.816924][ T7770] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  613.816938][ T7770] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  613.816949][ T7770] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  613.816963][ T7770] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  613.816975][ T7770] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  613.817004][ T7770]  </TASK>
[  614.162139][ T7770] block nbd0: shutting down sockets
[  614.263062][ T7772] FAULT_INJECTION: forcing a failure.
[  614.263062][ T7772] name failslab, interval 1, probability 0, space 0, times 0
[  614.275784][ T7772] CPU: 0 UID: 0 PID: 7772 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  614.275820][ T7772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  614.275837][ T7772] Call Trace:
[  614.275851][ T7772]  <TASK>
[  614.275865][ T7772]  dump_stack_lvl+0x189/0x250
[  614.275898][ T7772]  ? __pfx____ratelimit+0x10/0x10
[  614.275927][ T7772]  ? __pfx_dump_stack_lvl+0x10/0x10
[  614.275950][ T7772]  ? __pfx__printk+0x10/0x10
[  614.275984][ T7772]  ? __pfx___might_resched+0x10/0x10
[  614.276007][ T7772]  should_fail_ex+0x414/0x560
[  614.276042][ T7772]  ? sbitmap_init_node+0x2c9/0x630
[  614.276062][ T7772]  should_failslab+0xa8/0x100
[  614.276095][ T7772]  __kvmalloc_node_noprof+0x161/0x5f0
[  614.276125][ T7772]  ? sbitmap_init_node+0x2c9/0x630
[  614.276151][ T7772]  sbitmap_init_node+0x2c9/0x630
[  614.276181][ T7772]  sbitmap_queue_init_node+0x3e/0x4d0
[  614.276208][ T7772]  blk_mq_init_tags+0x110/0x280
[  614.276240][ T7772]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  614.276278][ T7772]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  614.276306][ T7772]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  614.276328][ T7772]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.276350][ T7772]  ? __raw_spin_lock_init+0x45/0x100
[  614.276376][ T7772]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  614.276403][ T7772]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.276438][ T7772]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  614.276482][ T7772]  ? __pfx___mutex_lock+0x10/0x10
[  614.276510][ T7772]  nbd_start_device+0x17f/0xb10
[  614.276542][ T7772]  nbd_ioctl+0x636/0xeb0
[  614.276563][ T7772]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.276589][ T7772]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.276621][ T7772]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.276643][ T7772]  blkdev_ioctl+0x5a8/0x6d0
[  614.276667][ T7772]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.276686][ T7772]  ? __fget_files+0x2a/0x420
[  614.276706][ T7772]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.276726][ T7772]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.276748][ T7772]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.276768][ T7772]  __se_sys_ioctl+0xfc/0x170
[  614.276795][ T7772]  do_syscall_64+0xfa/0x3b0
[  614.276816][ T7772]  ? lockdep_hardirqs_on+0x9c/0x150
[  614.276835][ T7772]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.276858][ T7772]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.276890][ T7772]  ? exc_page_fault+0x9f/0xf0
[  614.276927][ T7772]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.276957][ T7772] RIP: 0033:0x7f2807621569
[  614.276976][ T7772] 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
[  614.276992][ T7772] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.277013][ T7772] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  614.277027][ T7772] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  614.277039][ T7772] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  614.277052][ T7772] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  614.277065][ T7772] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  614.277094][ T7772]  </TASK>
[  614.710683][ T7772] block nbd0: shutting down sockets
[  614.821811][ T7775] block nbd0: Device being setup by another task
[  614.828591][ T7774] FAULT_INJECTION: forcing a failure.
[  614.828591][ T7774] name failslab, interval 1, probability 0, space 0, times 0
[  614.841299][ T7774] CPU: 1 UID: 0 PID: 7774 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  614.841335][ T7774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  614.841352][ T7774] Call Trace:
[  614.841360][ T7774]  <TASK>
[  614.841368][ T7774]  dump_stack_lvl+0x189/0x250
[  614.841398][ T7774]  ? __pfx____ratelimit+0x10/0x10
[  614.841420][ T7774]  ? __pfx_dump_stack_lvl+0x10/0x10
[  614.841443][ T7774]  ? __pfx__printk+0x10/0x10
[  614.841475][ T7774]  ? __pfx___might_resched+0x10/0x10
[  614.841493][ T7774]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.841530][ T7774]  should_fail_ex+0x414/0x560
[  614.841583][ T7774]  should_failslab+0xa8/0x100
[  614.841620][ T7774]  kmem_cache_alloc_noprof+0x73/0x3c0
[  614.841652][ T7774]  ? security_inode_alloc+0x39/0x330
[  614.841693][ T7774]  security_inode_alloc+0x39/0x330
[  614.841723][ T7774]  inode_init_always_gfp+0x9ed/0xdc0
[  614.841775][ T7774]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  614.841804][ T7774]  alloc_inode+0x82/0x1b0
[  614.841836][ T7774]  new_inode+0x22/0x170
[  614.841869][ T7774]  __debugfs_create_file+0x14d/0x4f0
[  614.841902][ T7774]  debugfs_create_file_unsafe+0x3a/0x50
[  614.841936][ T7774]  nbd_start_device+0x39e/0xb10
[  614.841967][ T7774]  nbd_ioctl+0x636/0xeb0
[  614.841988][ T7774]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.842015][ T7774]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.842047][ T7774]  ? __pfx_nbd_ioctl+0x10/0x10
[  614.842070][ T7774]  blkdev_ioctl+0x5a8/0x6d0
[  614.842094][ T7774]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.842112][ T7774]  ? __fget_files+0x2a/0x420
[  614.842131][ T7774]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.842152][ T7774]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.842174][ T7774]  ? __pfx_blkdev_ioctl+0x10/0x10
[  614.842193][ T7774]  __se_sys_ioctl+0xfc/0x170
[  614.842220][ T7774]  do_syscall_64+0xfa/0x3b0
[  614.842241][ T7774]  ? lockdep_hardirqs_on+0x9c/0x150
[  614.842260][ T7774]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.842278][ T7774]  ? srso_alias_return_thunk+0x5/0xfbef5
[  614.842298][ T7774]  ? exc_page_fault+0x9f/0xf0
[  614.842319][ T7774]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  614.842337][ T7774] RIP: 0033:0x7f2807621569
[  614.842355][ T7774] 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
[  614.842371][ T7774] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  614.842392][ T7774] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  614.842406][ T7774] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  614.842418][ T7774] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  614.842431][ T7774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  614.842444][ T7774] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  614.842474][ T7774]  </TASK>
[  615.120579][ T7774] debugfs: out of free dentries, can not create file 'size_bytes'
[  615.241264][ T7774] block nbd0: shutting down sockets
[  615.343006][ T7777] FAULT_INJECTION: forcing a failure.
[  615.343006][ T7777] name failslab, interval 1, probability 0, space 0, times 0
[  615.355800][ T7777] CPU: 0 UID: 0 PID: 7777 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  615.355824][ T7777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  615.355836][ T7777] Call Trace:
[  615.355844][ T7777]  <TASK>
[  615.355852][ T7777]  dump_stack_lvl+0x189/0x250
[  615.355879][ T7777]  ? __pfx____ratelimit+0x10/0x10
[  615.355900][ T7777]  ? __pfx_dump_stack_lvl+0x10/0x10
[  615.355924][ T7777]  ? __pfx__printk+0x10/0x10
[  615.355956][ T7777]  ? __pfx___might_resched+0x10/0x10
[  615.355979][ T7777]  should_fail_ex+0x414/0x560
[  615.356011][ T7777]  ? sbitmap_init_node+0x2c9/0x630
[  615.356036][ T7777]  should_failslab+0xa8/0x100
[  615.356065][ T7777]  __kvmalloc_node_noprof+0x161/0x5f0
[  615.356093][ T7777]  ? sbitmap_init_node+0x2c9/0x630
[  615.356118][ T7777]  sbitmap_init_node+0x2c9/0x630
[  615.356147][ T7777]  sbitmap_queue_init_node+0x3e/0x4d0
[  615.356174][ T7777]  blk_mq_init_tags+0x110/0x280
[  615.356204][ T7777]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  615.356239][ T7777]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  615.356266][ T7777]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  615.356299][ T7777]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.356329][ T7777]  ? __raw_spin_lock_init+0x45/0x100
[  615.356366][ T7777]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  615.356396][ T7777]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.356430][ T7777]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  615.356473][ T7777]  ? __pfx___mutex_lock+0x10/0x10
[  615.356499][ T7777]  nbd_start_device+0x17f/0xb10
[  615.356530][ T7777]  nbd_ioctl+0x636/0xeb0
[  615.356550][ T7777]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.356576][ T7777]  ? __pfx_nbd_ioctl+0x10/0x10
[  615.356608][ T7777]  ? __pfx_nbd_ioctl+0x10/0x10
[  615.356630][ T7777]  blkdev_ioctl+0x5a8/0x6d0
[  615.356652][ T7777]  ? __pfx_blkdev_ioctl+0x10/0x10
[  615.356675][ T7777]  ? __fget_files+0x2a/0x420
[  615.356695][ T7777]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.356716][ T7777]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.356738][ T7777]  ? __pfx_blkdev_ioctl+0x10/0x10
[  615.356757][ T7777]  __se_sys_ioctl+0xfc/0x170
[  615.356783][ T7777]  do_syscall_64+0xfa/0x3b0
[  615.356803][ T7777]  ? lockdep_hardirqs_on+0x9c/0x150
[  615.356822][ T7777]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.356839][ T7777]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.356860][ T7777]  ? exc_page_fault+0x9f/0xf0
[  615.356880][ T7777]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.356898][ T7777] RIP: 0033:0x7f2807621569
[  615.356915][ T7777] 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
[  615.356933][ T7777] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  615.356951][ T7777] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  615.356966][ T7777] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  615.356977][ T7777] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  615.356991][ T7777] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  615.357003][ T7777] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  615.357032][ T7777]  </TASK>
[  615.702001][ T7777] block nbd0: shutting down sockets
[  615.802896][ T7779] FAULT_INJECTION: forcing a failure.
[  615.802896][ T7779] name failslab, interval 1, probability 0, space 0, times 0
[  615.815640][ T7779] CPU: 1 UID: 0 PID: 7779 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  615.815672][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  615.815689][ T7779] Call Trace:
[  615.815700][ T7779]  <TASK>
[  615.815709][ T7779]  dump_stack_lvl+0x189/0x250
[  615.815736][ T7779]  ? __pfx____ratelimit+0x10/0x10
[  615.815756][ T7779]  ? __pfx_dump_stack_lvl+0x10/0x10
[  615.815780][ T7779]  ? __pfx__printk+0x10/0x10
[  615.815812][ T7779]  ? __pfx___might_resched+0x10/0x10
[  615.815835][ T7779]  should_fail_ex+0x414/0x560
[  615.815868][ T7779]  ? sbitmap_init_node+0x2c9/0x630
[  615.815887][ T7779]  should_failslab+0xa8/0x100
[  615.815921][ T7779]  __kvmalloc_node_noprof+0x161/0x5f0
[  615.815949][ T7779]  ? sbitmap_init_node+0x2c9/0x630
[  615.815975][ T7779]  sbitmap_init_node+0x2c9/0x630
[  615.816004][ T7779]  sbitmap_queue_init_node+0x3e/0x4d0
[  615.816031][ T7779]  blk_mq_init_tags+0x110/0x280
[  615.816061][ T7779]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  615.816096][ T7779]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  615.816124][ T7779]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  615.816146][ T7779]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.816167][ T7779]  ? __raw_spin_lock_init+0x45/0x100
[  615.816194][ T7779]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  615.816220][ T7779]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.816254][ T7779]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  615.816297][ T7779]  ? __pfx___mutex_lock+0x10/0x10
[  615.816324][ T7779]  nbd_start_device+0x17f/0xb10
[  615.816355][ T7779]  nbd_ioctl+0x636/0xeb0
[  615.816375][ T7779]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.816401][ T7779]  ? __pfx_nbd_ioctl+0x10/0x10
[  615.816433][ T7779]  ? __pfx_nbd_ioctl+0x10/0x10
[  615.816455][ T7779]  blkdev_ioctl+0x5a8/0x6d0
[  615.816478][ T7779]  ? __pfx_blkdev_ioctl+0x10/0x10
[  615.816496][ T7779]  ? __fget_files+0x2a/0x420
[  615.816516][ T7779]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.816537][ T7779]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.816559][ T7779]  ? __pfx_blkdev_ioctl+0x10/0x10
[  615.816578][ T7779]  __se_sys_ioctl+0xfc/0x170
[  615.816604][ T7779]  do_syscall_64+0xfa/0x3b0
[  615.816632][ T7779]  ? lockdep_hardirqs_on+0x9c/0x150
[  615.816658][ T7779]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.816683][ T7779]  ? srso_alias_return_thunk+0x5/0xfbef5
[  615.816708][ T7779]  ? exc_page_fault+0x9f/0xf0
[  615.816728][ T7779]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.816747][ T7779] RIP: 0033:0x7f2807621569
[  615.816763][ T7779] 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
[  615.816779][ T7779] RSP: 002b:00007f28075d7208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  615.816799][ T7779] RAX: ffffffffffffffda RBX: 00007f28076a8408 RCX: 00007f2807621569
[  615.816813][ T7779] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  615.816825][ T7779] RBP: 00007f28076a8400 R08: 00007f28075d6fa6 R09: 0000000000003331
[  615.816838][ T7779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  615.816851][ T7779] R13: 00007f28075d7210 R14: 0000000000000002 R15: 64626e2f7665642f
[  615.816879][ T7779]  </TASK>
[  616.248884][ T7779] block nbd0: shutting down sockets
[  616.362256][ T7782] FAULT_INJECTION: forcing a failure.
[  616.362256][ T7782] name failslab, interval 1, probability 0, space 0, times 0
[  616.375091][ T7782] CPU: 0 UID: 0 PID: 7782 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  616.375118][ T7782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  616.375130][ T7782] Call Trace:
[  616.375139][ T7782]  <TASK>
[  616.375147][ T7782]  dump_stack_lvl+0x189/0x250
[  616.375175][ T7782]  ? __pfx____ratelimit+0x10/0x10
[  616.375196][ T7782]  ? __pfx_dump_stack_lvl+0x10/0x10
[  616.375218][ T7782]  ? __pfx__printk+0x10/0x10
[  616.375251][ T7782]  ? __pfx___might_resched+0x10/0x10
[  616.375274][ T7782]  should_fail_ex+0x414/0x560
[  616.375307][ T7782]  ? sbitmap_init_node+0x2c9/0x630
[  616.375326][ T7782]  should_failslab+0xa8/0x100
[  616.375359][ T7782]  __kvmalloc_node_noprof+0x161/0x5f0
[  616.375387][ T7782]  ? sbitmap_init_node+0x2c9/0x630
[  616.375413][ T7782]  sbitmap_init_node+0x2c9/0x630
[  616.375442][ T7782]  sbitmap_queue_init_node+0x3e/0x4d0
[  616.375469][ T7782]  blk_mq_init_tags+0x110/0x280
[  616.375499][ T7782]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  616.375534][ T7782]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  616.375562][ T7782]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  616.375583][ T7782]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.375605][ T7782]  ? __raw_spin_lock_init+0x45/0x100
[  616.375631][ T7782]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  616.375656][ T7782]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  616.375687][ T7782]  ? lockdep_hardirqs_on+0x9c/0x150
[  616.375718][ T7782]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  616.375761][ T7782]  ? __pfx___mutex_lock+0x10/0x10
[  616.375787][ T7782]  nbd_start_device+0x17f/0xb10
[  616.375818][ T7782]  nbd_ioctl+0x636/0xeb0
[  616.375838][ T7782]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.375864][ T7782]  ? __pfx_nbd_ioctl+0x10/0x10
[  616.375895][ T7782]  ? __pfx_nbd_ioctl+0x10/0x10
[  616.375922][ T7782]  blkdev_ioctl+0x5a8/0x6d0
[  616.375944][ T7782]  ? __pfx_blkdev_ioctl+0x10/0x10
[  616.375962][ T7782]  ? __fget_files+0x2a/0x420
[  616.375982][ T7782]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.376002][ T7782]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.376024][ T7782]  ? __pfx_blkdev_ioctl+0x10/0x10
[  616.376044][ T7782]  __se_sys_ioctl+0xfc/0x170
[  616.376070][ T7782]  do_syscall_64+0xfa/0x3b0
[  616.376090][ T7782]  ? lockdep_hardirqs_on+0x9c/0x150
[  616.376108][ T7782]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.376126][ T7782]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.376147][ T7782]  ? exc_page_fault+0x9f/0xf0
[  616.376167][ T7782]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.376185][ T7782] RIP: 0033:0x7f2807621569
[  616.376202][ T7782] 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
[  616.376218][ T7782] RSP: 002b:00007f28075b6208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  616.376237][ T7782] RAX: ffffffffffffffda RBX: 00007f28076a8418 RCX: 00007f2807621569
[  616.376251][ T7782] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  616.376263][ T7782] RBP: 00007f28076a8410 R08: 00007f28075b5fa6 R09: 0000000000003331
[  616.376276][ T7782] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2807675194
[  616.376289][ T7782] R13: 00007f28075b6210 R14: 0000000000000002 R15: 64626e2f7665642f
[  616.376317][ T7782]  </TASK>
[  616.814006][ T7782] block nbd0: shutting down sockets
[  616.902985][ T7784] FAULT_INJECTION: forcing a failure.
[  616.902985][ T7784] name failslab, interval 1, probability 0, space 0, times 0
[  616.915908][ T7784] CPU: 0 UID: 0 PID: 7784 Comm: syz-executor209 Not tainted syzkaller #0 PREEMPT(full) 
[  616.915945][ T7784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  616.915962][ T7784] Call Trace:
[  616.915972][ T7784]  <TASK>
[  616.915984][ T7784]  dump_stack_lvl+0x189/0x250
[  616.916024][ T7784]  ? __pfx____ratelimit+0x10/0x10
[  616.916054][ T7784]  ? __pfx_dump_stack_lvl+0x10/0x10
[  616.916087][ T7784]  ? __pfx__printk+0x10/0x10
[  616.916138][ T7784]  ? __pfx___might_resched+0x10/0x10
[  616.916175][ T7784]  should_fail_ex+0x414/0x560
[  616.916227][ T7784]  ? sbitmap_init_node+0x2c9/0x630
[  616.916259][ T7784]  should_failslab+0xa8/0x100
[  616.916307][ T7784]  __kvmalloc_node_noprof+0x161/0x5f0
[  616.916353][ T7784]  ? sbitmap_init_node+0x2c9/0x630
[  616.916395][ T7784]  sbitmap_init_node+0x2c9/0x630
[  616.916443][ T7784]  sbitmap_queue_init_node+0x3e/0x4d0
[  616.916488][ T7784]  blk_mq_init_tags+0x110/0x280
[  616.916538][ T7784]  blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[  616.916594][ T7784]  blk_mq_alloc_sched_tags+0x183/0x3d0
[  616.916634][ T7784]  blk_mq_alloc_sched_tags_batch+0xf0/0x600
[  616.916676][ T7784]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.916708][ T7784]  ? __raw_spin_lock_init+0x45/0x100
[  616.916747][ T7784]  blk_mq_update_nr_hw_queues+0x2d0/0x1aa0
[  616.916787][ T7784]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.916838][ T7784]  ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[  616.916902][ T7784]  ? __pfx___mutex_lock+0x10/0x10
[  616.916940][ T7784]  nbd_start_device+0x17f/0xb10
[  616.916985][ T7784]  nbd_ioctl+0x636/0xeb0
[  616.917015][ T7784]  ? srso_alias_return_thunk+0x5/0xfbef5
[  616.917054][ T7784]  ? __pfx_nbd_ioctl+0x10/0x10
[  616.917101][ T7784]  ? __pfx_nbd_ioctl+0x10/0x10
[  616.917133][ T7784]  blkdev_ioctl+0x5a8/0x6d0
[  616.917166][ T7784]  ? __pfx_blkdev_ioctl+0x10/0x10
[  616.917189][ T7784]  ? __fget_files+0x2a/0x420