f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 597.929429][ T8056] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 597.929449][ T8056] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 597.929463][ T8056] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 597.929474][ T8056] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 597.929487][ T8056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 597.929499][ T8056] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 597.929528][ T8056]
[ 598.099081][ T8056] block nbd0: shutting down sockets
[ 598.259228][ T8058] FAULT_INJECTION: forcing a failure.
[ 598.259228][ T8058] name failslab, interval 1, probability 0, space 0, times 0
[ 598.259261][ T8058] CPU: 0 UID: 0 PID: 8058 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 598.259284][ T8058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 598.259295][ T8058] Call Trace:
[ 598.259303][ T8058]
[ 598.259310][ T8058] dump_stack_lvl+0x189/0x250
[ 598.259341][ T8058] ? __pfx____ratelimit+0x10/0x10
[ 598.259367][ T8058] ? __pfx_dump_stack_lvl+0x10/0x10
[ 598.259392][ T8058] ? __pfx__printk+0x10/0x10
[ 598.259418][ T8058] ? __pfx___might_resched+0x10/0x10
[ 598.259438][ T8058] ? fs_reclaim_acquire+0x7d/0x100
[ 598.259459][ T8058] should_fail_ex+0x46c/0x600
[ 598.259490][ T8058] should_failslab+0xa8/0x100
[ 598.259515][ T8058] __kmalloc_cache_node_noprof+0x78/0x340
[ 598.259540][ T8058] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 598.259564][ T8058] sbitmap_queue_init_node+0x1dc/0x4d0
[ 598.259587][ T8058] blk_mq_init_tags+0x11e/0x270
[ 598.259616][ T8058] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 598.259653][ T8058] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 598.259682][ T8058] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 598.259706][ T8058] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 598.259725][ T8058] ? __kasan_slab_free+0x5b/0x80
[ 598.259743][ T8058] ? kfree+0x195/0x550
[ 598.259777][ T8058] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 598.259814][ T8058] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 598.259839][ T8058] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 598.259886][ T8058] ? nbd_start_device+0x174/0xb20
[ 598.259916][ T8058] nbd_start_device+0x17f/0xb20
[ 598.259945][ T8058] ? nbd_ioctl+0x131/0xec0
[ 598.259972][ T8058] nbd_ioctl+0x637/0xec0
[ 598.260010][ T8058] ? __pfx_nbd_ioctl+0x10/0x10
[ 598.260032][ T8058] ? __asan_memset+0x22/0x50
[ 598.260050][ T8058] ? smack_file_ioctl+0x24d/0x340
[ 598.260073][ T8058] ? __pfx_smack_file_ioctl+0x10/0x10
[ 598.260095][ T8058] ? __pfx_nbd_ioctl+0x10/0x10
[ 598.260123][ T8058] blkdev_ioctl+0x5a8/0x6d0
[ 598.260146][ T8058] ? __pfx_blkdev_ioctl+0x10/0x10
[ 598.260163][ T8058] ? __fget_files+0x2a/0x420
[ 598.260191][ T8058] ? bpf_lsm_file_ioctl+0x9/0x20
[ 598.260212][ T8058] ? __pfx_blkdev_ioctl+0x10/0x10
[ 598.260231][ T8058] __se_sys_ioctl+0xff/0x170
[ 598.260254][ T8058] do_syscall_64+0xfa/0x3b0
[ 598.260270][ T8058] ? lockdep_hardirqs_on+0x9c/0x150
[ 598.260294][ T8058] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.260312][ T8058] ? clear_bhb_loop+0x60/0xb0
[ 598.260335][ T8058] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.260353][ T8058] RIP: 0033:0x7ff3a7c24569
[ 598.260369][ T8058] 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
[ 598.260385][ T8058] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 598.260405][ T8058] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 598.260419][ T8058] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 598.260430][ T8058] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 598.260443][ T8058] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 598.260455][ T8058] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 598.260485][ T8058]
[ 598.425293][ T8058] block nbd0: shutting down sockets
[ 598.589996][ T8060] FAULT_INJECTION: forcing a failure.
[ 598.589996][ T8060] name failslab, interval 1, probability 0, space 0, times 0
[ 598.590029][ T8060] CPU: 0 UID: 0 PID: 8060 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 598.590052][ T8060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 598.590064][ T8060] Call Trace:
[ 598.590072][ T8060]
[ 598.590080][ T8060] dump_stack_lvl+0x189/0x250
[ 598.590111][ T8060] ? __pfx____ratelimit+0x10/0x10
[ 598.590138][ T8060] ? __pfx_dump_stack_lvl+0x10/0x10
[ 598.590163][ T8060] ? __pfx__printk+0x10/0x10
[ 598.590189][ T8060] ? __pfx___might_resched+0x10/0x10
[ 598.590208][ T8060] ? fs_reclaim_acquire+0x7d/0x100
[ 598.590230][ T8060] should_fail_ex+0x46c/0x600
[ 598.590260][ T8060] should_failslab+0xa8/0x100
[ 598.590285][ T8060] __kmalloc_cache_node_noprof+0x78/0x340
[ 598.590309][ T8060] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 598.590333][ T8060] sbitmap_queue_init_node+0x1dc/0x4d0
[ 598.590357][ T8060] blk_mq_init_tags+0x11e/0x270
[ 598.590386][ T8060] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 598.590423][ T8060] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 598.590452][ T8060] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 598.590479][ T8060] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 598.590499][ T8060] ? __kasan_slab_free+0x5b/0x80
[ 598.590519][ T8060] ? kfree+0x195/0x550
[ 598.590572][ T8060] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 598.590608][ T8060] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 598.590634][ T8060] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 598.590682][ T8060] ? nbd_start_device+0x174/0xb20
[ 598.590713][ T8060] nbd_start_device+0x17f/0xb20
[ 598.590740][ T8060] ? nbd_ioctl+0x131/0xec0
[ 598.590767][ T8060] nbd_ioctl+0x637/0xec0
[ 598.590797][ T8060] ? __pfx_nbd_ioctl+0x10/0x10
[ 598.590833][ T8060] ? __asan_memset+0x22/0x50
[ 598.590851][ T8060] ? smack_file_ioctl+0x24d/0x340
[ 598.590875][ T8060] ? __pfx_smack_file_ioctl+0x10/0x10
[ 598.590897][ T8060] ? __pfx_nbd_ioctl+0x10/0x10
[ 598.590922][ T8060] blkdev_ioctl+0x5a8/0x6d0
[ 598.590944][ T8060] ? __pfx_blkdev_ioctl+0x10/0x10
[ 598.590962][ T8060] ? __fget_files+0x2a/0x420
[ 598.590996][ T8060] ? bpf_lsm_file_ioctl+0x9/0x20
[ 598.591016][ T8060] ? __pfx_blkdev_ioctl+0x10/0x10
[ 598.591036][ T8060] __se_sys_ioctl+0xff/0x170
[ 598.591059][ T8060] do_syscall_64+0xfa/0x3b0
[ 598.591075][ T8060] ? lockdep_hardirqs_on+0x9c/0x150
[ 598.591100][ T8060] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.591118][ T8060] ? clear_bhb_loop+0x60/0xb0
[ 598.591139][ T8060] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.591157][ T8060] RIP: 0033:0x7ff3a7c24569
[ 598.591173][ T8060] 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
[ 598.591189][ T8060] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 598.591208][ T8060] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 598.591222][ T8060] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 598.591234][ T8060] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 598.591247][ T8060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 598.591258][ T8060] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 598.591288][ T8060]
[ 598.757647][ T8060] block nbd0: shutting down sockets
[ 598.928459][ T8062] FAULT_INJECTION: forcing a failure.
[ 598.928459][ T8062] name failslab, interval 1, probability 0, space 0, times 0
[ 598.928493][ T8062] CPU: 0 UID: 0 PID: 8062 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 598.928516][ T8062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 598.928527][ T8062] Call Trace:
[ 598.928535][ T8062]
[ 598.928543][ T8062] dump_stack_lvl+0x189/0x250
[ 598.928574][ T8062] ? __pfx____ratelimit+0x10/0x10
[ 598.928601][ T8062] ? __pfx_dump_stack_lvl+0x10/0x10
[ 598.928626][ T8062] ? __pfx__printk+0x10/0x10
[ 598.928651][ T8062] ? __pfx___might_resched+0x10/0x10
[ 598.928671][ T8062] ? fs_reclaim_acquire+0x7d/0x100
[ 598.928692][ T8062] should_fail_ex+0x46c/0x600
[ 598.928723][ T8062] should_failslab+0xa8/0x100
[ 598.928749][ T8062] __kmalloc_cache_node_noprof+0x78/0x340
[ 598.928773][ T8062] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 598.928798][ T8062] sbitmap_queue_init_node+0x1dc/0x4d0
[ 598.928821][ T8062] blk_mq_init_tags+0x11e/0x270
[ 598.928850][ T8062] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 598.928888][ T8062] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 598.928917][ T8062] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 598.928951][ T8062] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 598.928970][ T8062] ? __kasan_slab_free+0x5b/0x80
[ 598.928991][ T8062] ? kfree+0x195/0x550
[ 598.929028][ T8062] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 598.929065][ T8062] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 598.929107][ T8062] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 598.929155][ T8062] ? nbd_start_device+0x174/0xb20
[ 598.929187][ T8062] nbd_start_device+0x17f/0xb20
[ 598.929216][ T8062] ? nbd_ioctl+0x131/0xec0
[ 598.929243][ T8062] nbd_ioctl+0x637/0xec0
[ 598.929273][ T8062] ? __pfx_nbd_ioctl+0x10/0x10
[ 598.929295][ T8062] ? __asan_memset+0x22/0x50
[ 598.929313][ T8062] ? smack_file_ioctl+0x24d/0x340
[ 598.929336][ T8062] ? __pfx_smack_file_ioctl+0x10/0x10
[ 598.929358][ T8062] ? __pfx_nbd_ioctl+0x10/0x10
[ 598.929383][ T8062] blkdev_ioctl+0x5a8/0x6d0
[ 598.929406][ T8062] ? __pfx_blkdev_ioctl+0x10/0x10
[ 598.929424][ T8062] ? __fget_files+0x2a/0x420
[ 598.929451][ T8062] ? bpf_lsm_file_ioctl+0x9/0x20
[ 598.929471][ T8062] ? __pfx_blkdev_ioctl+0x10/0x10
[ 598.929491][ T8062] __se_sys_ioctl+0xff/0x170
[ 598.929514][ T8062] do_syscall_64+0xfa/0x3b0
[ 598.929530][ T8062] ? lockdep_hardirqs_on+0x9c/0x150
[ 598.929554][ T8062] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.929572][ T8062] ? clear_bhb_loop+0x60/0xb0
[ 598.929594][ T8062] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 598.929612][ T8062] RIP: 0033:0x7ff3a7c24569
[ 598.929628][ T8062] 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
[ 598.929643][ T8062] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 598.929663][ T8062] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 598.929677][ T8062] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 598.929688][ T8062] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 598.929701][ T8062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 598.929713][ T8062] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 598.929743][ T8062]
[ 599.094844][ T8062] block nbd0: shutting down sockets
[ 599.268346][ T8064] FAULT_INJECTION: forcing a failure.
[ 599.268346][ T8064] name failslab, interval 1, probability 0, space 0, times 0
[ 599.268380][ T8064] CPU: 0 UID: 0 PID: 8064 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 599.268402][ T8064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 599.268414][ T8064] Call Trace:
[ 599.268421][ T8064]
[ 599.268430][ T8064] dump_stack_lvl+0x189/0x250
[ 599.268460][ T8064] ? __pfx____ratelimit+0x10/0x10
[ 599.268486][ T8064] ? __pfx_dump_stack_lvl+0x10/0x10
[ 599.268510][ T8064] ? __pfx__printk+0x10/0x10
[ 599.268536][ T8064] ? __pfx___might_resched+0x10/0x10
[ 599.268555][ T8064] ? fs_reclaim_acquire+0x7d/0x100
[ 599.268577][ T8064] should_fail_ex+0x46c/0x600
[ 599.268608][ T8064] should_failslab+0xa8/0x100
[ 599.268634][ T8064] __kmalloc_cache_node_noprof+0x78/0x340
[ 599.268657][ T8064] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 599.268682][ T8064] sbitmap_queue_init_node+0x1dc/0x4d0
[ 599.268712][ T8064] blk_mq_init_tags+0x11e/0x270
[ 599.268741][ T8064] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 599.268778][ T8064] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 599.268806][ T8064] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 599.268835][ T8064] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 599.268855][ T8064] ? __kasan_slab_free+0x5b/0x80
[ 599.268874][ T8064] ? kfree+0x195/0x550
[ 599.268912][ T8064] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 599.268949][ T8064] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 599.268973][ T8064] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 599.269022][ T8064] ? nbd_start_device+0x174/0xb20
[ 599.269053][ T8064] nbd_start_device+0x17f/0xb20
[ 599.269081][ T8064] ? nbd_ioctl+0x131/0xec0
[ 599.269108][ T8064] nbd_ioctl+0x637/0xec0
[ 599.269138][ T8064] ? __pfx_nbd_ioctl+0x10/0x10
[ 599.269160][ T8064] ? __asan_memset+0x22/0x50
[ 599.269178][ T8064] ? smack_file_ioctl+0x24d/0x340
[ 599.269200][ T8064] ? __pfx_smack_file_ioctl+0x10/0x10
[ 599.269222][ T8064] ? __pfx_nbd_ioctl+0x10/0x10
[ 599.269248][ T8064] blkdev_ioctl+0x5a8/0x6d0
[ 599.269270][ T8064] ? __pfx_blkdev_ioctl+0x10/0x10
[ 599.269287][ T8064] ? __fget_files+0x2a/0x420
[ 599.269314][ T8064] ? bpf_lsm_file_ioctl+0x9/0x20
[ 599.269334][ T8064] ? __pfx_blkdev_ioctl+0x10/0x10
[ 599.269354][ T8064] __se_sys_ioctl+0xff/0x170
[ 599.269378][ T8064] do_syscall_64+0xfa/0x3b0
[ 599.269393][ T8064] ? lockdep_hardirqs_on+0x9c/0x150
[ 599.269417][ T8064] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.269435][ T8064] ? clear_bhb_loop+0x60/0xb0
[ 599.269456][ T8064] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.269474][ T8064] RIP: 0033:0x7ff3a7c24569
[ 599.269490][ T8064] 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
[ 599.269505][ T8064] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 599.269525][ T8064] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 599.269539][ T8064] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 599.269550][ T8064] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 599.269564][ T8064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 599.269575][ T8064] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 599.269605][ T8064]
[ 599.433840][ T8064] block nbd0: shutting down sockets
[ 599.598396][ T8066] FAULT_INJECTION: forcing a failure.
[ 599.598396][ T8066] name failslab, interval 1, probability 0, space 0, times 0
[ 599.598430][ T8066] CPU: 0 UID: 0 PID: 8066 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 599.598452][ T8066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 599.598464][ T8066] Call Trace:
[ 599.598471][ T8066]
[ 599.598479][ T8066] dump_stack_lvl+0x189/0x250
[ 599.598510][ T8066] ? __pfx____ratelimit+0x10/0x10
[ 599.598536][ T8066] ? __pfx_dump_stack_lvl+0x10/0x10
[ 599.598561][ T8066] ? __pfx__printk+0x10/0x10
[ 599.598587][ T8066] ? __pfx___might_resched+0x10/0x10
[ 599.598607][ T8066] ? fs_reclaim_acquire+0x7d/0x100
[ 599.598629][ T8066] should_fail_ex+0x46c/0x600
[ 599.598659][ T8066] should_failslab+0xa8/0x100
[ 599.598684][ T8066] __kmalloc_cache_node_noprof+0x78/0x340
[ 599.598707][ T8066] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 599.598732][ T8066] sbitmap_queue_init_node+0x1dc/0x4d0
[ 599.598755][ T8066] blk_mq_init_tags+0x11e/0x270
[ 599.598784][ T8066] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 599.598821][ T8066] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 599.598849][ T8066] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 599.598878][ T8066] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 599.598897][ T8066] ? __kasan_slab_free+0x5b/0x80
[ 599.598923][ T8066] ? kfree+0x195/0x550
[ 599.598962][ T8066] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 599.598999][ T8066] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 599.599024][ T8066] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 599.599072][ T8066] ? nbd_start_device+0x174/0xb20
[ 599.599102][ T8066] nbd_start_device+0x17f/0xb20
[ 599.599131][ T8066] ? nbd_ioctl+0x131/0xec0
[ 599.599157][ T8066] nbd_ioctl+0x637/0xec0
[ 599.599187][ T8066] ? __pfx_nbd_ioctl+0x10/0x10
[ 599.599208][ T8066] ? __asan_memset+0x22/0x50
[ 599.599227][ T8066] ? smack_file_ioctl+0x24d/0x340
[ 599.599250][ T8066] ? __pfx_smack_file_ioctl+0x10/0x10
[ 599.599271][ T8066] ? __pfx_nbd_ioctl+0x10/0x10
[ 599.599297][ T8066] blkdev_ioctl+0x5a8/0x6d0
[ 599.599319][ T8066] ? __pfx_blkdev_ioctl+0x10/0x10
[ 599.599341][ T8066] ? __fget_files+0x2a/0x420
[ 599.599376][ T8066] ? bpf_lsm_file_ioctl+0x9/0x20
[ 599.599396][ T8066] ? __pfx_blkdev_ioctl+0x10/0x10
[ 599.599416][ T8066] __se_sys_ioctl+0xff/0x170
[ 599.599439][ T8066] do_syscall_64+0xfa/0x3b0
[ 599.599455][ T8066] ? lockdep_hardirqs_on+0x9c/0x150
[ 599.599479][ T8066] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.599497][ T8066] ? clear_bhb_loop+0x60/0xb0
[ 599.599519][ T8066] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.599536][ T8066] RIP: 0033:0x7ff3a7c24569
[ 599.599553][ T8066] 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
[ 599.599568][ T8066] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 599.599588][ T8066] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 599.599602][ T8066] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 599.599613][ T8066] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 599.599627][ T8066] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 599.599638][ T8066] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 599.599667][ T8066]
[ 599.765819][ T8066] block nbd0: shutting down sockets
[ 599.928498][ T8068] FAULT_INJECTION: forcing a failure.
[ 599.928498][ T8068] name failslab, interval 1, probability 0, space 0, times 0
[ 599.928532][ T8068] CPU: 0 UID: 0 PID: 8068 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 599.928555][ T8068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 599.928567][ T8068] Call Trace:
[ 599.928574][ T8068]
[ 599.928583][ T8068] dump_stack_lvl+0x189/0x250
[ 599.928613][ T8068] ? __pfx____ratelimit+0x10/0x10
[ 599.928639][ T8068] ? __pfx_dump_stack_lvl+0x10/0x10
[ 599.928664][ T8068] ? __pfx__printk+0x10/0x10
[ 599.928690][ T8068] ? __pfx___might_resched+0x10/0x10
[ 599.928709][ T8068] ? fs_reclaim_acquire+0x7d/0x100
[ 599.928731][ T8068] should_fail_ex+0x46c/0x600
[ 599.928762][ T8068] should_failslab+0xa8/0x100
[ 599.928787][ T8068] __kmalloc_cache_node_noprof+0x78/0x340
[ 599.928811][ T8068] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 599.928843][ T8068] sbitmap_queue_init_node+0x1dc/0x4d0
[ 599.928865][ T8068] blk_mq_init_tags+0x11e/0x270
[ 599.928893][ T8068] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 599.928931][ T8068] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 599.928959][ T8068] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 599.928988][ T8068] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 599.929007][ T8068] ? __kasan_slab_free+0x5b/0x80
[ 599.929027][ T8068] ? kfree+0x195/0x550
[ 599.929065][ T8068] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 599.929101][ T8068] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 599.929126][ T8068] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 599.929174][ T8068] ? nbd_start_device+0x174/0xb20
[ 599.929205][ T8068] nbd_start_device+0x17f/0xb20
[ 599.929233][ T8068] ? nbd_ioctl+0x131/0xec0
[ 599.929261][ T8068] nbd_ioctl+0x637/0xec0
[ 599.929291][ T8068] ? __pfx_nbd_ioctl+0x10/0x10
[ 599.929312][ T8068] ? __asan_memset+0x22/0x50
[ 599.929331][ T8068] ? smack_file_ioctl+0x24d/0x340
[ 599.929353][ T8068] ? __pfx_smack_file_ioctl+0x10/0x10
[ 599.929385][ T8068] ? __pfx_nbd_ioctl+0x10/0x10
[ 599.929411][ T8068] blkdev_ioctl+0x5a8/0x6d0
[ 599.929433][ T8068] ? __pfx_blkdev_ioctl+0x10/0x10
[ 599.929450][ T8068] ? __fget_files+0x2a/0x420
[ 599.929478][ T8068] ? bpf_lsm_file_ioctl+0x9/0x20
[ 599.929496][ T8068] ? __pfx_blkdev_ioctl+0x10/0x10
[ 599.929514][ T8068] __se_sys_ioctl+0xff/0x170
[ 599.929537][ T8068] do_syscall_64+0xfa/0x3b0
[ 599.929552][ T8068] ? lockdep_hardirqs_on+0x9c/0x150
[ 599.929576][ T8068] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.929594][ T8068] ? clear_bhb_loop+0x60/0xb0
[ 599.929616][ T8068] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.929634][ T8068] RIP: 0033:0x7ff3a7c24569
[ 599.929651][ T8068] 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
[ 599.929666][ T8068] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 599.929685][ T8068] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 599.929699][ T8068] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 599.929711][ T8068] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 599.929724][ T8068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 599.929736][ T8068] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 599.929764][ T8068]
[ 600.095487][ T8068] block nbd0: shutting down sockets
[ 600.258370][ T8070] FAULT_INJECTION: forcing a failure.
[ 600.258370][ T8070] name failslab, interval 1, probability 0, space 0, times 0
[ 600.258403][ T8070] CPU: 0 UID: 0 PID: 8070 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 600.258425][ T8070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 600.258437][ T8070] Call Trace:
[ 600.258444][ T8070]
[ 600.258453][ T8070] dump_stack_lvl+0x189/0x250
[ 600.258483][ T8070] ? __pfx____ratelimit+0x10/0x10
[ 600.258509][ T8070] ? __pfx_dump_stack_lvl+0x10/0x10
[ 600.258534][ T8070] ? __pfx__printk+0x10/0x10
[ 600.258560][ T8070] ? __pfx___might_resched+0x10/0x10
[ 600.258579][ T8070] ? fs_reclaim_acquire+0x7d/0x100
[ 600.258610][ T8070] should_fail_ex+0x46c/0x600
[ 600.258641][ T8070] should_failslab+0xa8/0x100
[ 600.258666][ T8070] __kmalloc_cache_node_noprof+0x78/0x340
[ 600.258690][ T8070] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 600.258715][ T8070] sbitmap_queue_init_node+0x1dc/0x4d0
[ 600.258738][ T8070] blk_mq_init_tags+0x11e/0x270
[ 600.258766][ T8070] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 600.258797][ T8070] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 600.258825][ T8070] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 600.258852][ T8070] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 600.258873][ T8070] ? __kasan_slab_free+0x5b/0x80
[ 600.258892][ T8070] ? kfree+0x195/0x550
[ 600.258931][ T8070] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 600.258967][ T8070] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 600.258991][ T8070] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 600.259040][ T8070] ? nbd_start_device+0x174/0xb20
[ 600.259070][ T8070] nbd_start_device+0x17f/0xb20
[ 600.259099][ T8070] ? nbd_ioctl+0x131/0xec0
[ 600.259126][ T8070] nbd_ioctl+0x637/0xec0
[ 600.259156][ T8070] ? __pfx_nbd_ioctl+0x10/0x10
[ 600.259177][ T8070] ? __asan_memset+0x22/0x50
[ 600.259196][ T8070] ? smack_file_ioctl+0x24d/0x340
[ 600.259219][ T8070] ? __pfx_smack_file_ioctl+0x10/0x10
[ 600.259244][ T8070] ? __pfx_nbd_ioctl+0x10/0x10
[ 600.259269][ T8070] blkdev_ioctl+0x5a8/0x6d0
[ 600.259291][ T8070] ? __pfx_blkdev_ioctl+0x10/0x10
[ 600.259308][ T8070] ? __fget_files+0x2a/0x420
[ 600.259336][ T8070] ? bpf_lsm_file_ioctl+0x9/0x20
[ 600.259355][ T8070] ? __pfx_blkdev_ioctl+0x10/0x10
[ 600.259375][ T8070] __se_sys_ioctl+0xff/0x170
[ 600.259398][ T8070] do_syscall_64+0xfa/0x3b0
[ 600.259415][ T8070] ? lockdep_hardirqs_on+0x9c/0x150
[ 600.259439][ T8070] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.259457][ T8070] ? clear_bhb_loop+0x60/0xb0
[ 600.259479][ T8070] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.259496][ T8070] RIP: 0033:0x7ff3a7c24569
[ 600.259513][ T8070] 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
[ 600.259528][ T8070] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 600.259548][ T8070] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 600.259562][ T8070] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 600.259574][ T8070] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 600.259587][ T8070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 600.259605][ T8070] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 600.259636][ T8070]
[ 600.428175][ T8070] block nbd0: shutting down sockets
[ 600.598499][ T8072] FAULT_INJECTION: forcing a failure.
[ 600.598499][ T8072] name failslab, interval 1, probability 0, space 0, times 0
[ 600.598534][ T8072] CPU: 0 UID: 0 PID: 8072 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 600.598556][ T8072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 600.598567][ T8072] Call Trace:
[ 600.598576][ T8072]
[ 600.598584][ T8072] dump_stack_lvl+0x189/0x250
[ 600.598615][ T8072] ? __pfx____ratelimit+0x10/0x10
[ 600.598641][ T8072] ? __pfx_dump_stack_lvl+0x10/0x10
[ 600.598665][ T8072] ? __pfx__printk+0x10/0x10
[ 600.598691][ T8072] ? __pfx___might_resched+0x10/0x10
[ 600.598710][ T8072] ? fs_reclaim_acquire+0x7d/0x100
[ 600.598737][ T8072] should_fail_ex+0x46c/0x600
[ 600.598768][ T8072] should_failslab+0xa8/0x100
[ 600.598793][ T8072] __kmalloc_cache_node_noprof+0x78/0x340
[ 600.598824][ T8072] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 600.598850][ T8072] sbitmap_queue_init_node+0x1dc/0x4d0
[ 600.598872][ T8072] blk_mq_init_tags+0x11e/0x270
[ 600.598901][ T8072] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 600.598939][ T8072] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 600.598967][ T8072] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 600.598996][ T8072] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 600.599016][ T8072] ? __kasan_slab_free+0x5b/0x80
[ 600.599035][ T8072] ? kfree+0x195/0x550
[ 600.599074][ T8072] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 600.599110][ T8072] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 600.599135][ T8072] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 600.599184][ T8072] ? nbd_start_device+0x174/0xb20
[ 600.599219][ T8072] nbd_start_device+0x17f/0xb20
[ 600.599251][ T8072] ? nbd_ioctl+0x131/0xec0
[ 600.599279][ T8072] nbd_ioctl+0x637/0xec0
[ 600.599309][ T8072] ? __pfx_nbd_ioctl+0x10/0x10
[ 600.599331][ T8072] ? __asan_memset+0x22/0x50
[ 600.599350][ T8072] ? smack_file_ioctl+0x24d/0x340
[ 600.599372][ T8072] ? __pfx_smack_file_ioctl+0x10/0x10
[ 600.599394][ T8072] ? __pfx_nbd_ioctl+0x10/0x10
[ 600.599420][ T8072] blkdev_ioctl+0x5a8/0x6d0
[ 600.599443][ T8072] ? __pfx_blkdev_ioctl+0x10/0x10
[ 600.599460][ T8072] ? __fget_files+0x2a/0x420
[ 600.599487][ T8072] ? bpf_lsm_file_ioctl+0x9/0x20
[ 600.599506][ T8072] ? __pfx_blkdev_ioctl+0x10/0x10
[ 600.599524][ T8072] __se_sys_ioctl+0xff/0x170
[ 600.599548][ T8072] do_syscall_64+0xfa/0x3b0
[ 600.599563][ T8072] ? lockdep_hardirqs_on+0x9c/0x150
[ 600.599586][ T8072] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.599605][ T8072] ? clear_bhb_loop+0x60/0xb0
[ 600.599628][ T8072] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.599645][ T8072] RIP: 0033:0x7ff3a7c24569
[ 600.599662][ T8072] 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
[ 600.599677][ T8072] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 600.599698][ T8072] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 600.599712][ T8072] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 600.599724][ T8072] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 600.599737][ T8072] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 600.599748][ T8072] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 600.599778][ T8072]
[ 600.766150][ T8072] block nbd0: shutting down sockets
[ 600.928348][ T8074] FAULT_INJECTION: forcing a failure.
[ 600.928348][ T8074] name failslab, interval 1, probability 0, space 0, times 0
[ 600.928381][ T8074] CPU: 0 UID: 0 PID: 8074 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 600.928403][ T8074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 600.928415][ T8074] Call Trace:
[ 600.928423][ T8074]
[ 600.928432][ T8074] dump_stack_lvl+0x189/0x250
[ 600.928463][ T8074] ? __pfx____ratelimit+0x10/0x10
[ 600.928488][ T8074] ? __pfx_dump_stack_lvl+0x10/0x10
[ 600.928512][ T8074] ? __pfx__printk+0x10/0x10
[ 600.928538][ T8074] ? __pfx___might_resched+0x10/0x10
[ 600.928556][ T8074] ? fs_reclaim_acquire+0x7d/0x100
[ 600.928579][ T8074] should_fail_ex+0x46c/0x600
[ 600.928608][ T8074] should_failslab+0xa8/0x100
[ 600.928634][ T8074] __kvmalloc_node_noprof+0x15a/0x550
[ 600.928656][ T8074] ? sbitmap_init_node+0x2c9/0x630
[ 600.928681][ T8074] sbitmap_init_node+0x2c9/0x630
[ 600.928709][ T8074] sbitmap_queue_init_node+0x3e/0x4d0
[ 600.928741][ T8074] blk_mq_init_tags+0x11e/0x270
[ 600.928770][ T8074] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 600.928808][ T8074] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 600.928836][ T8074] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 600.928864][ T8074] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 600.928884][ T8074] ? __kasan_slab_free+0x5b/0x80
[ 600.928904][ T8074] ? kfree+0x195/0x550
[ 600.928942][ T8074] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 600.928978][ T8074] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 600.929003][ T8074] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 600.929051][ T8074] ? nbd_start_device+0x174/0xb20
[ 600.929081][ T8074] nbd_start_device+0x17f/0xb20
[ 600.929110][ T8074] ? nbd_ioctl+0x131/0xec0
[ 600.929137][ T8074] nbd_ioctl+0x637/0xec0
[ 600.929167][ T8074] ? __pfx_nbd_ioctl+0x10/0x10
[ 600.929189][ T8074] ? __asan_memset+0x22/0x50
[ 600.929207][ T8074] ? smack_file_ioctl+0x24d/0x340
[ 600.929230][ T8074] ? __pfx_smack_file_ioctl+0x10/0x10
[ 600.929251][ T8074] ? __pfx_nbd_ioctl+0x10/0x10
[ 600.929278][ T8074] blkdev_ioctl+0x5a8/0x6d0
[ 600.929300][ T8074] ? __pfx_blkdev_ioctl+0x10/0x10
[ 600.929316][ T8074] ? __fget_files+0x2a/0x420
[ 600.929344][ T8074] ? bpf_lsm_file_ioctl+0x9/0x20
[ 600.929363][ T8074] ? __pfx_blkdev_ioctl+0x10/0x10
[ 600.929383][ T8074] __se_sys_ioctl+0xff/0x170
[ 600.929406][ T8074] do_syscall_64+0xfa/0x3b0
[ 600.929422][ T8074] ? lockdep_hardirqs_on+0x9c/0x150
[ 600.929446][ T8074] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.929464][ T8074] ? clear_bhb_loop+0x60/0xb0
[ 600.929486][ T8074] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.929503][ T8074] RIP: 0033:0x7ff3a7c24569
[ 600.929520][ T8074] 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
[ 600.929535][ T8074] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 600.929555][ T8074] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 600.929569][ T8074] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 600.929580][ T8074] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 600.929593][ T8074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 600.929605][ T8074] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 600.929635][ T8074]
[ 601.094948][ T8074] block nbd0: shutting down sockets
[ 601.268268][ T8076] FAULT_INJECTION: forcing a failure.
[ 601.268268][ T8076] name failslab, interval 1, probability 0, space 0, times 0
[ 601.268302][ T8076] CPU: 0 UID: 0 PID: 8076 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 601.268324][ T8076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 601.268335][ T8076] Call Trace:
[ 601.268343][ T8076]
[ 601.268351][ T8076] dump_stack_lvl+0x189/0x250
[ 601.268381][ T8076] ? __pfx____ratelimit+0x10/0x10
[ 601.268407][ T8076] ? __pfx_dump_stack_lvl+0x10/0x10
[ 601.268431][ T8076] ? __pfx__printk+0x10/0x10
[ 601.268457][ T8076] ? __pfx___might_resched+0x10/0x10
[ 601.268476][ T8076] ? fs_reclaim_acquire+0x7d/0x100
[ 601.268507][ T8076] should_fail_ex+0x46c/0x600
[ 601.268537][ T8076] should_failslab+0xa8/0x100
[ 601.268563][ T8076] __kmalloc_cache_node_noprof+0x78/0x340
[ 601.268587][ T8076] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 601.268612][ T8076] sbitmap_queue_init_node+0x1dc/0x4d0
[ 601.268635][ T8076] blk_mq_init_tags+0x11e/0x270
[ 601.268663][ T8076] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 601.268701][ T8076] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 601.268729][ T8076] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 601.268755][ T8076] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 601.268776][ T8076] ? __kasan_slab_free+0x5b/0x80
[ 601.268795][ T8076] ? kfree+0x195/0x550
[ 601.268833][ T8076] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 601.268869][ T8076] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 601.268894][ T8076] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 601.268943][ T8076] ? nbd_start_device+0x174/0xb20
[ 601.268973][ T8076] nbd_start_device+0x17f/0xb20
[ 601.269001][ T8076] ? nbd_ioctl+0x131/0xec0
[ 601.269029][ T8076] nbd_ioctl+0x637/0xec0
[ 601.269058][ T8076] ? __pfx_nbd_ioctl+0x10/0x10
[ 601.269080][ T8076] ? __asan_memset+0x22/0x50
[ 601.269098][ T8076] ? smack_file_ioctl+0x24d/0x340
[ 601.269122][ T8076] ? __pfx_smack_file_ioctl+0x10/0x10
[ 601.269142][ T8076] ? __pfx_nbd_ioctl+0x10/0x10
[ 601.269168][ T8076] blkdev_ioctl+0x5a8/0x6d0
[ 601.269189][ T8076] ? __pfx_blkdev_ioctl+0x10/0x10
[ 601.269203][ T8076] ? __fget_files+0x2a/0x420
[ 601.269228][ T8076] ? bpf_lsm_file_ioctl+0x9/0x20
[ 601.269247][ T8076] ? __pfx_blkdev_ioctl+0x10/0x10
[ 601.269267][ T8076] __se_sys_ioctl+0xff/0x170
[ 601.269290][ T8076] do_syscall_64+0xfa/0x3b0
[ 601.269306][ T8076] ? lockdep_hardirqs_on+0x9c/0x150
[ 601.269329][ T8076] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.269348][ T8076] ? clear_bhb_loop+0x60/0xb0
[ 601.269371][ T8076] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.269388][ T8076] RIP: 0033:0x7ff3a7c24569
[ 601.269404][ T8076] 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
[ 601.269419][ T8076] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 601.269439][ T8076] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 601.269453][ T8076] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 601.269465][ T8076] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 601.269477][ T8076] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 601.269495][ T8076] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 601.269525][ T8076]
[ 601.436731][ T8076] block nbd0: shutting down sockets
[ 601.618288][ T8078] FAULT_INJECTION: forcing a failure.
[ 601.618288][ T8078] name failslab, interval 1, probability 0, space 0, times 0
[ 601.618323][ T8078] CPU: 0 UID: 0 PID: 8078 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 601.618345][ T8078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 601.618356][ T8078] Call Trace:
[ 601.618364][ T8078]
[ 601.618372][ T8078] dump_stack_lvl+0x189/0x250
[ 601.618402][ T8078] ? __pfx____ratelimit+0x10/0x10
[ 601.618428][ T8078] ? __pfx_dump_stack_lvl+0x10/0x10
[ 601.618461][ T8078] ? __pfx__printk+0x10/0x10
[ 601.618486][ T8078] ? __pfx___might_resched+0x10/0x10
[ 601.618506][ T8078] ? fs_reclaim_acquire+0x7d/0x100
[ 601.618529][ T8078] should_fail_ex+0x46c/0x600
[ 601.618559][ T8078] should_failslab+0xa8/0x100
[ 601.618585][ T8078] __kmalloc_cache_node_noprof+0x78/0x340
[ 601.618609][ T8078] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 601.618634][ T8078] sbitmap_queue_init_node+0x1dc/0x4d0
[ 601.618656][ T8078] blk_mq_init_tags+0x11e/0x270
[ 601.618686][ T8078] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 601.618723][ T8078] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 601.618751][ T8078] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 601.618778][ T8078] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 601.618799][ T8078] ? __kasan_slab_free+0x5b/0x80
[ 601.618818][ T8078] ? kfree+0x195/0x550
[ 601.618857][ T8078] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 601.618892][ T8078] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 601.618917][ T8078] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 601.618965][ T8078] ? nbd_start_device+0x174/0xb20
[ 601.618999][ T8078] nbd_start_device+0x17f/0xb20
[ 601.619028][ T8078] ? nbd_ioctl+0x131/0xec0
[ 601.619055][ T8078] nbd_ioctl+0x637/0xec0
[ 601.619085][ T8078] ? __pfx_nbd_ioctl+0x10/0x10
[ 601.619106][ T8078] ? __asan_memset+0x22/0x50
[ 601.619124][ T8078] ? smack_file_ioctl+0x24d/0x340
[ 601.619147][ T8078] ? __pfx_smack_file_ioctl+0x10/0x10
[ 601.619169][ T8078] ? __pfx_nbd_ioctl+0x10/0x10
[ 601.619194][ T8078] blkdev_ioctl+0x5a8/0x6d0
[ 601.619217][ T8078] ? __pfx_blkdev_ioctl+0x10/0x10
[ 601.619234][ T8078] ? __fget_files+0x2a/0x420
[ 601.619261][ T8078] ? bpf_lsm_file_ioctl+0x9/0x20
[ 601.619281][ T8078] ? __pfx_blkdev_ioctl+0x10/0x10
[ 601.619301][ T8078] __se_sys_ioctl+0xff/0x170
[ 601.619323][ T8078] do_syscall_64+0xfa/0x3b0
[ 601.619339][ T8078] ? lockdep_hardirqs_on+0x9c/0x150
[ 601.619362][ T8078] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.619381][ T8078] ? clear_bhb_loop+0x60/0xb0
[ 601.619403][ T8078] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.619420][ T8078] RIP: 0033:0x7ff3a7c24569
[ 601.619442][ T8078] 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
[ 601.619457][ T8078] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 601.619478][ T8078] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 601.619491][ T8078] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 601.619503][ T8078] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 601.619516][ T8078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 601.619528][ T8078] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 601.619558][ T8078]
[ 601.788042][ T8078] block nbd0: shutting down sockets
[ 601.977513][ T8081] FAULT_INJECTION: forcing a failure.
[ 601.977513][ T8081] name failslab, interval 1, probability 0, space 0, times 0
[ 601.977550][ T8081] CPU: 0 UID: 0 PID: 8081 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 601.977572][ T8081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 601.977595][ T8081] Call Trace:
[ 601.977603][ T8081]
[ 601.977611][ T8081] dump_stack_lvl+0x189/0x250
[ 601.977643][ T8081] ? __pfx____ratelimit+0x10/0x10
[ 601.977669][ T8081] ? __pfx_dump_stack_lvl+0x10/0x10
[ 601.977693][ T8081] ? __pfx__printk+0x10/0x10
[ 601.977719][ T8081] ? __pfx___might_resched+0x10/0x10
[ 601.977738][ T8081] ? fs_reclaim_acquire+0x7d/0x100
[ 601.977760][ T8081] should_fail_ex+0x46c/0x600
[ 601.977790][ T8081] should_failslab+0xa8/0x100
[ 601.977815][ T8081] __kmalloc_cache_node_noprof+0x78/0x340
[ 601.977839][ T8081] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 601.977864][ T8081] sbitmap_queue_init_node+0x1dc/0x4d0
[ 601.977886][ T8081] blk_mq_init_tags+0x11e/0x270
[ 601.977916][ T8081] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 601.977954][ T8081] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 601.977983][ T8081] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 601.978011][ T8081] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 601.978053][ T8081] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 601.978094][ T8081] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 601.978118][ T8081] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 601.978141][ T8081] ? rt_mutex_slowlock+0x3de/0x6e0
[ 601.978183][ T8081] ? nbd_start_device+0x174/0xb20
[ 601.978214][ T8081] nbd_start_device+0x17f/0xb20
[ 601.978249][ T8081] nbd_ioctl+0x637/0xec0
[ 601.978279][ T8081] ? __pfx_nbd_ioctl+0x10/0x10
[ 601.978301][ T8081] ? __asan_memset+0x22/0x50
[ 601.978319][ T8081] ? smack_file_ioctl+0x24d/0x340
[ 601.978341][ T8081] ? __pfx_smack_file_ioctl+0x10/0x10
[ 601.978373][ T8081] ? __pfx_nbd_ioctl+0x10/0x10
[ 601.978398][ T8081] blkdev_ioctl+0x5a8/0x6d0
[ 601.978420][ T8081] ? __pfx_blkdev_ioctl+0x10/0x10
[ 601.978438][ T8081] ? __fget_files+0x2a/0x420
[ 601.978465][ T8081] ? bpf_lsm_file_ioctl+0x9/0x20
[ 601.978486][ T8081] ? __pfx_blkdev_ioctl+0x10/0x10
[ 601.978505][ T8081] __se_sys_ioctl+0xff/0x170
[ 601.978528][ T8081] do_syscall_64+0xfa/0x3b0
[ 601.978554][ T8081] ? lockdep_hardirqs_on+0x9c/0x150
[ 601.978587][ T8081] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.978606][ T8081] ? clear_bhb_loop+0x60/0xb0
[ 601.978628][ T8081] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.978646][ T8081] RIP: 0033:0x7ff3a7c24569
[ 601.978661][ T8081] 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
[ 601.978678][ T8081] RSP: 002b:00007ff3a7bb9208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 601.978698][ T8081] RAX: ffffffffffffffda RBX: 00007ff3a7cab418 RCX: 00007ff3a7c24569
[ 601.978712][ T8081] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 601.978724][ T8081] RBP: 00007ff3a7cab410 R08: 00007ff3a7bb8fa6 R09: 0000000000003431
[ 601.978737][ T8081] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 601.978749][ T8081] R13: 00007ff3a7bb9210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 601.978779][ T8081]
[ 602.139839][ T8081] block nbd0: shutting down sockets
[ 602.318197][ T8083] FAULT_INJECTION: forcing a failure.
[ 602.318197][ T8083] name failslab, interval 1, probability 0, space 0, times 0
[ 602.318231][ T8083] CPU: 0 UID: 0 PID: 8083 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 602.318253][ T8083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 602.318264][ T8083] Call Trace:
[ 602.318273][ T8083]
[ 602.318281][ T8083] dump_stack_lvl+0x189/0x250
[ 602.318310][ T8083] ? __pfx____ratelimit+0x10/0x10
[ 602.318337][ T8083] ? __pfx_dump_stack_lvl+0x10/0x10
[ 602.318362][ T8083] ? __pfx__printk+0x10/0x10
[ 602.318387][ T8083] ? __pfx___might_resched+0x10/0x10
[ 602.318406][ T8083] ? fs_reclaim_acquire+0x7d/0x100
[ 602.318428][ T8083] should_fail_ex+0x46c/0x600
[ 602.318459][ T8083] should_failslab+0xa8/0x100
[ 602.318484][ T8083] __kmalloc_cache_node_noprof+0x78/0x340
[ 602.318508][ T8083] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 602.318533][ T8083] sbitmap_queue_init_node+0x1dc/0x4d0
[ 602.318564][ T8083] blk_mq_init_tags+0x11e/0x270
[ 602.318591][ T8083] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 602.318630][ T8083] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 602.318659][ T8083] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 602.318687][ T8083] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 602.318708][ T8083] ? __kasan_slab_free+0x5b/0x80
[ 602.318727][ T8083] ? kfree+0x195/0x550
[ 602.318766][ T8083] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 602.318801][ T8083] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 602.318827][ T8083] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 602.318875][ T8083] ? nbd_start_device+0x174/0xb20
[ 602.318905][ T8083] nbd_start_device+0x17f/0xb20
[ 602.318934][ T8083] ? nbd_ioctl+0x131/0xec0
[ 602.318961][ T8083] nbd_ioctl+0x637/0xec0
[ 602.318990][ T8083] ? __pfx_nbd_ioctl+0x10/0x10
[ 602.319012][ T8083] ? __asan_memset+0x22/0x50
[ 602.319031][ T8083] ? smack_file_ioctl+0x24d/0x340
[ 602.319053][ T8083] ? __pfx_smack_file_ioctl+0x10/0x10
[ 602.319074][ T8083] ? __pfx_nbd_ioctl+0x10/0x10
[ 602.319100][ T8083] blkdev_ioctl+0x5a8/0x6d0
[ 602.319123][ T8083] ? __pfx_blkdev_ioctl+0x10/0x10
[ 602.319140][ T8083] ? __fget_files+0x2a/0x420
[ 602.319167][ T8083] ? bpf_lsm_file_ioctl+0x9/0x20
[ 602.319187][ T8083] ? __pfx_blkdev_ioctl+0x10/0x10
[ 602.319207][ T8083] __se_sys_ioctl+0xff/0x170
[ 602.319230][ T8083] do_syscall_64+0xfa/0x3b0
[ 602.319246][ T8083] ? lockdep_hardirqs_on+0x9c/0x150
[ 602.319269][ T8083] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.319286][ T8083] ? clear_bhb_loop+0x60/0xb0
[ 602.319307][ T8083] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.319325][ T8083] RIP: 0033:0x7ff3a7c24569
[ 602.319341][ T8083] 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
[ 602.319357][ T8083] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 602.319377][ T8083] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 602.319391][ T8083] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 602.319402][ T8083] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 602.319415][ T8083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 602.319427][ T8083] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 602.319457][ T8083]
[ 602.491080][ T8083] block nbd0: shutting down sockets
[ 602.660618][ T8086] FAULT_INJECTION: forcing a failure.
[ 602.660618][ T8086] name failslab, interval 1, probability 0, space 0, times 0
[ 602.660651][ T8086] CPU: 0 UID: 0 PID: 8086 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 602.660673][ T8086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 602.660685][ T8086] Call Trace:
[ 602.660693][ T8086]
[ 602.660701][ T8086] dump_stack_lvl+0x189/0x250
[ 602.660731][ T8086] ? __pfx____ratelimit+0x10/0x10
[ 602.660757][ T8086] ? __pfx_dump_stack_lvl+0x10/0x10
[ 602.660782][ T8086] ? __pfx__printk+0x10/0x10
[ 602.660808][ T8086] ? __pfx___might_resched+0x10/0x10
[ 602.660827][ T8086] ? fs_reclaim_acquire+0x7d/0x100
[ 602.660870][ T8086] should_fail_ex+0x46c/0x600
[ 602.660902][ T8086] should_failslab+0xa8/0x100
[ 602.660928][ T8086] __kmalloc_cache_node_noprof+0x78/0x340
[ 602.660953][ T8086] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 602.660979][ T8086] sbitmap_queue_init_node+0x1dc/0x4d0
[ 602.661003][ T8086] blk_mq_init_tags+0x11e/0x270
[ 602.661034][ T8086] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 602.661073][ T8086] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 602.661110][ T8086] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 602.661139][ T8086] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 602.661160][ T8086] ? __kasan_slab_free+0x5b/0x80
[ 602.661181][ T8086] ? kfree+0x195/0x550
[ 602.661220][ T8086] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 602.661261][ T8086] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 602.661287][ T8086] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 602.661336][ T8086] ? nbd_start_device+0x174/0xb20
[ 602.661366][ T8086] nbd_start_device+0x17f/0xb20
[ 602.661395][ T8086] ? nbd_ioctl+0x131/0xec0
[ 602.661422][ T8086] nbd_ioctl+0x637/0xec0
[ 602.661455][ T8086] ? __pfx_nbd_ioctl+0x10/0x10
[ 602.661476][ T8086] ? __asan_memset+0x22/0x50
[ 602.661495][ T8086] ? smack_file_ioctl+0x24d/0x340
[ 602.661517][ T8086] ? __pfx_smack_file_ioctl+0x10/0x10
[ 602.661542][ T8086] ? __pfx_nbd_ioctl+0x10/0x10
[ 602.661568][ T8086] blkdev_ioctl+0x5a8/0x6d0
[ 602.661591][ T8086] ? __pfx_blkdev_ioctl+0x10/0x10
[ 602.661617][ T8086] ? __fget_files+0x2a/0x420
[ 602.661645][ T8086] ? bpf_lsm_file_ioctl+0x9/0x20
[ 602.661666][ T8086] ? __pfx_blkdev_ioctl+0x10/0x10
[ 602.661685][ T8086] __se_sys_ioctl+0xff/0x170
[ 602.661709][ T8086] do_syscall_64+0xfa/0x3b0
[ 602.661724][ T8086] ? lockdep_hardirqs_on+0x9c/0x150
[ 602.661748][ T8086] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.661766][ T8086] ? clear_bhb_loop+0x60/0xb0
[ 602.661787][ T8086] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.661805][ T8086] RIP: 0033:0x7ff3a7c24569
[ 602.661822][ T8086] 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
[ 602.661838][ T8086] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 602.661858][ T8086] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 602.661877][ T8086] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 602.661889][ T8086] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 602.661902][ T8086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 602.661914][ T8086] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 602.661944][ T8086]
[ 602.827573][ T8086] block nbd0: shutting down sockets
[ 603.017906][ T8088] FAULT_INJECTION: forcing a failure.
[ 603.017906][ T8088] name failslab, interval 1, probability 0, space 0, times 0
[ 603.017929][ T8088] CPU: 0 UID: 0 PID: 8088 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 603.017941][ T8088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 603.017949][ T8088] Call Trace:
[ 603.017954][ T8088]
[ 603.017959][ T8088] dump_stack_lvl+0x189/0x250
[ 603.017978][ T8088] ? __pfx____ratelimit+0x10/0x10
[ 603.017994][ T8088] ? __pfx_dump_stack_lvl+0x10/0x10
[ 603.018008][ T8088] ? __pfx__printk+0x10/0x10
[ 603.018022][ T8088] ? __pfx___might_resched+0x10/0x10
[ 603.018035][ T8088] ? fs_reclaim_acquire+0x7d/0x100
[ 603.018047][ T8088] should_fail_ex+0x46c/0x600
[ 603.018065][ T8088] should_failslab+0xa8/0x100
[ 603.018079][ T8088] __kmalloc_cache_node_noprof+0x78/0x340
[ 603.018093][ T8088] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 603.018108][ T8088] sbitmap_queue_init_node+0x1dc/0x4d0
[ 603.018120][ T8088] blk_mq_init_tags+0x11e/0x270
[ 603.018137][ T8088] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 603.018157][ T8088] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 603.018173][ T8088] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 603.018189][ T8088] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 603.018200][ T8088] ? __kasan_slab_free+0x5b/0x80
[ 603.018211][ T8088] ? kfree+0x195/0x550
[ 603.018232][ T8088] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 603.018255][ T8088] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 603.018269][ T8088] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 603.018295][ T8088] ? nbd_start_device+0x174/0xb20
[ 603.018315][ T8088] nbd_start_device+0x17f/0xb20
[ 603.018331][ T8088] ? nbd_ioctl+0x131/0xec0
[ 603.018346][ T8088] nbd_ioctl+0x637/0xec0
[ 603.018363][ T8088] ? __pfx_nbd_ioctl+0x10/0x10
[ 603.018374][ T8088] ? __asan_memset+0x22/0x50
[ 603.018385][ T8088] ? smack_file_ioctl+0x24d/0x340
[ 603.018398][ T8088] ? __pfx_smack_file_ioctl+0x10/0x10
[ 603.018410][ T8088] ? __pfx_nbd_ioctl+0x10/0x10
[ 603.018424][ T8088] blkdev_ioctl+0x5a8/0x6d0
[ 603.018437][ T8088] ? __pfx_blkdev_ioctl+0x10/0x10
[ 603.018446][ T8088] ? __fget_files+0x2a/0x420
[ 603.018461][ T8088] ? bpf_lsm_file_ioctl+0x9/0x20
[ 603.018473][ T8088] ? __pfx_blkdev_ioctl+0x10/0x10
[ 603.018484][ T8088] __se_sys_ioctl+0xff/0x170
[ 603.018497][ T8088] do_syscall_64+0xfa/0x3b0
[ 603.018506][ T8088] ? lockdep_hardirqs_on+0x9c/0x150
[ 603.018519][ T8088] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.018529][ T8088] ? clear_bhb_loop+0x60/0xb0
[ 603.018541][ T8088] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.018557][ T8088] RIP: 0033:0x7ff3a7c24569
[ 603.018568][ T8088] 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
[ 603.018577][ T8088] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 603.018589][ T8088] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 603.018597][ T8088] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 603.018603][ T8088] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 603.018610][ T8088] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 603.018617][ T8088] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 603.018634][ T8088]
[ 603.189548][ T8088] block nbd0: shutting down sockets
[ 603.367901][ T8091] FAULT_INJECTION: forcing a failure.
[ 603.367901][ T8091] name failslab, interval 1, probability 0, space 0, times 0
[ 603.367924][ T8091] CPU: 0 UID: 0 PID: 8091 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 603.367937][ T8091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 603.367944][ T8091] Call Trace:
[ 603.367949][ T8091]
[ 603.367954][ T8091] dump_stack_lvl+0x189/0x250
[ 603.367974][ T8091] ? __pfx____ratelimit+0x10/0x10
[ 603.367989][ T8091] ? __pfx_dump_stack_lvl+0x10/0x10
[ 603.368003][ T8091] ? __pfx__printk+0x10/0x10
[ 603.368017][ T8091] ? __pfx___might_resched+0x10/0x10
[ 603.368029][ T8091] ? fs_reclaim_acquire+0x7d/0x100
[ 603.368041][ T8091] should_fail_ex+0x46c/0x600
[ 603.368059][ T8091] should_failslab+0xa8/0x100
[ 603.368074][ T8091] __kmalloc_cache_node_noprof+0x78/0x340
[ 603.368087][ T8091] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 603.368102][ T8091] sbitmap_queue_init_node+0x1dc/0x4d0
[ 603.368115][ T8091] blk_mq_init_tags+0x11e/0x270
[ 603.368132][ T8091] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 603.368153][ T8091] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 603.368169][ T8091] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 603.368184][ T8091] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 603.368195][ T8091] ? __kasan_slab_free+0x5b/0x80
[ 603.368206][ T8091] ? kfree+0x195/0x550
[ 603.368236][ T8091] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 603.368256][ T8091] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 603.368271][ T8091] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 603.368297][ T8091] ? nbd_start_device+0x174/0xb20
[ 603.368320][ T8091] nbd_start_device+0x17f/0xb20
[ 603.368336][ T8091] ? nbd_ioctl+0x131/0xec0
[ 603.368351][ T8091] nbd_ioctl+0x637/0xec0
[ 603.368368][ T8091] ? __pfx_nbd_ioctl+0x10/0x10
[ 603.368380][ T8091] ? __asan_memset+0x22/0x50
[ 603.368390][ T8091] ? smack_file_ioctl+0x24d/0x340
[ 603.368403][ T8091] ? __pfx_smack_file_ioctl+0x10/0x10
[ 603.368415][ T8091] ? __pfx_nbd_ioctl+0x10/0x10
[ 603.368429][ T8091] blkdev_ioctl+0x5a8/0x6d0
[ 603.368442][ T8091] ? __pfx_blkdev_ioctl+0x10/0x10
[ 603.368452][ T8091] ? __fget_files+0x2a/0x420
[ 603.368467][ T8091] ? bpf_lsm_file_ioctl+0x9/0x20
[ 603.368482][ T8091] ? __pfx_blkdev_ioctl+0x10/0x10
[ 603.368493][ T8091] __se_sys_ioctl+0xff/0x170
[ 603.368506][ T8091] do_syscall_64+0xfa/0x3b0
[ 603.368515][ T8091] ? lockdep_hardirqs_on+0x9c/0x150
[ 603.368528][ T8091] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.368538][ T8091] ? clear_bhb_loop+0x60/0xb0
[ 603.368551][ T8091] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.368561][ T8091] RIP: 0033:0x7ff3a7c24569
[ 603.368571][ T8091] 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
[ 603.368581][ T8091] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 603.368593][ T8091] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 603.368600][ T8091] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 603.368610][ T8091] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 603.368617][ T8091] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 603.368624][ T8091] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 603.368641][ T8091]
[ 603.538608][ T8091] block nbd0: shutting down sockets
[ 603.718839][ T8094] FAULT_INJECTION: forcing a failure.
[ 603.718839][ T8094] name failslab, interval 1, probability 0, space 0, times 0
[ 603.718874][ T8094] CPU: 0 UID: 0 PID: 8094 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 603.718897][ T8094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 603.718908][ T8094] Call Trace:
[ 603.718918][ T8094]
[ 603.718927][ T8094] dump_stack_lvl+0x189/0x250
[ 603.718969][ T8094] ? __pfx____ratelimit+0x10/0x10
[ 603.718996][ T8094] ? __pfx_dump_stack_lvl+0x10/0x10
[ 603.719021][ T8094] ? __pfx__printk+0x10/0x10
[ 603.719047][ T8094] ? __pfx___might_resched+0x10/0x10
[ 603.719068][ T8094] ? fs_reclaim_acquire+0x7d/0x100
[ 603.719090][ T8094] should_fail_ex+0x46c/0x600
[ 603.719121][ T8094] should_failslab+0xa8/0x100
[ 603.719148][ T8094] __kmalloc_cache_node_noprof+0x78/0x340
[ 603.719172][ T8094] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 603.719197][ T8094] sbitmap_queue_init_node+0x1dc/0x4d0
[ 603.719221][ T8094] blk_mq_init_tags+0x11e/0x270
[ 603.719262][ T8094] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 603.719301][ T8094] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 603.719344][ T8094] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 603.719374][ T8094] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 603.719395][ T8094] ? __kasan_slab_free+0x5b/0x80
[ 603.719415][ T8094] ? kfree+0x195/0x550
[ 603.719455][ T8094] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 603.719490][ T8094] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 603.719515][ T8094] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 603.719563][ T8094] ? nbd_start_device+0x174/0xb20
[ 603.719594][ T8094] nbd_start_device+0x17f/0xb20
[ 603.719623][ T8094] ? nbd_ioctl+0x131/0xec0
[ 603.719650][ T8094] nbd_ioctl+0x637/0xec0
[ 603.719680][ T8094] ? __pfx_nbd_ioctl+0x10/0x10
[ 603.719702][ T8094] ? __asan_memset+0x22/0x50
[ 603.719721][ T8094] ? smack_file_ioctl+0x24d/0x340
[ 603.719742][ T8094] ? __pfx_smack_file_ioctl+0x10/0x10
[ 603.719764][ T8094] ? __pfx_nbd_ioctl+0x10/0x10
[ 603.719790][ T8094] blkdev_ioctl+0x5a8/0x6d0
[ 603.719813][ T8094] ? __pfx_blkdev_ioctl+0x10/0x10
[ 603.719831][ T8094] ? __fget_files+0x2a/0x420
[ 603.719857][ T8094] ? bpf_lsm_file_ioctl+0x9/0x20
[ 603.719878][ T8094] ? __pfx_blkdev_ioctl+0x10/0x10
[ 603.719899][ T8094] __se_sys_ioctl+0xff/0x170
[ 603.719922][ T8094] do_syscall_64+0xfa/0x3b0
[ 603.719937][ T8094] ? lockdep_hardirqs_on+0x9c/0x150
[ 603.719960][ T8094] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.719978][ T8094] ? clear_bhb_loop+0x60/0xb0
[ 603.720000][ T8094] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.720017][ T8094] RIP: 0033:0x7ff3a7c24569
[ 603.720035][ T8094] 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
[ 603.720051][ T8094] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 603.720071][ T8094] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 603.720085][ T8094] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 603.720097][ T8094] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 603.720108][ T8094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 603.720117][ T8094] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 603.720146][ T8094]
[ 603.887554][ T8094] block nbd0: shutting down sockets
[ 604.067982][ T8097] FAULT_INJECTION: forcing a failure.
[ 604.067982][ T8097] name failslab, interval 1, probability 0, space 0, times 0
[ 604.068005][ T8097] CPU: 0 UID: 0 PID: 8097 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 604.068018][ T8097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 604.068030][ T8097] Call Trace:
[ 604.068034][ T8097]
[ 604.068039][ T8097] dump_stack_lvl+0x189/0x250
[ 604.068058][ T8097] ? __pfx____ratelimit+0x10/0x10
[ 604.068074][ T8097] ? __pfx_dump_stack_lvl+0x10/0x10
[ 604.068095][ T8097] ? __pfx__printk+0x10/0x10
[ 604.068109][ T8097] ? __pfx___might_resched+0x10/0x10
[ 604.068121][ T8097] ? fs_reclaim_acquire+0x7d/0x100
[ 604.068133][ T8097] should_fail_ex+0x46c/0x600
[ 604.068151][ T8097] should_failslab+0xa8/0x100
[ 604.068166][ T8097] __kmalloc_cache_node_noprof+0x78/0x340
[ 604.068179][ T8097] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 604.068193][ T8097] sbitmap_queue_init_node+0x1dc/0x4d0
[ 604.068206][ T8097] blk_mq_init_tags+0x11e/0x270
[ 604.068222][ T8097] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 604.068243][ T8097] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 604.068258][ T8097] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 604.068274][ T8097] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 604.068285][ T8097] ? __kasan_slab_free+0x5b/0x80
[ 604.068297][ T8097] ? kfree+0x195/0x550
[ 604.068318][ T8097] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 604.068340][ T8097] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 604.068355][ T8097] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 604.068381][ T8097] ? nbd_start_device+0x174/0xb20
[ 604.068397][ T8097] nbd_start_device+0x17f/0xb20
[ 604.068414][ T8097] ? nbd_ioctl+0x131/0xec0
[ 604.068428][ T8097] nbd_ioctl+0x637/0xec0
[ 604.068450][ T8097] ? __pfx_nbd_ioctl+0x10/0x10
[ 604.068462][ T8097] ? __asan_memset+0x22/0x50
[ 604.068472][ T8097] ? smack_file_ioctl+0x24d/0x340
[ 604.068485][ T8097] ? __pfx_smack_file_ioctl+0x10/0x10
[ 604.068497][ T8097] ? __pfx_nbd_ioctl+0x10/0x10
[ 604.068511][ T8097] blkdev_ioctl+0x5a8/0x6d0
[ 604.068523][ T8097] ? __pfx_blkdev_ioctl+0x10/0x10
[ 604.068533][ T8097] ? __fget_files+0x2a/0x420
[ 604.068549][ T8097] ? bpf_lsm_file_ioctl+0x9/0x20
[ 604.068561][ T8097] ? __pfx_blkdev_ioctl+0x10/0x10
[ 604.068572][ T8097] __se_sys_ioctl+0xff/0x170
[ 604.068585][ T8097] do_syscall_64+0xfa/0x3b0
[ 604.068594][ T8097] ? lockdep_hardirqs_on+0x9c/0x150
[ 604.068608][ T8097] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.068617][ T8097] ? clear_bhb_loop+0x60/0xb0
[ 604.068630][ T8097] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.068639][ T8097] RIP: 0033:0x7ff3a7c24569
[ 604.068649][ T8097] 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
[ 604.068658][ T8097] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 604.068671][ T8097] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 604.068678][ T8097] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 604.068685][ T8097] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 604.068692][ T8097] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 604.068699][ T8097] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 604.068715][ T8097]
[ 604.237245][ T8097] block nbd0: shutting down sockets
[ 604.408415][ T8100] FAULT_INJECTION: forcing a failure.
[ 604.408415][ T8100] name failslab, interval 1, probability 0, space 0, times 0
[ 604.408449][ T8100] CPU: 0 UID: 0 PID: 8100 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 604.408470][ T8100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 604.408482][ T8100] Call Trace:
[ 604.408490][ T8100]
[ 604.408499][ T8100] dump_stack_lvl+0x189/0x250
[ 604.408536][ T8100] ? __pfx____ratelimit+0x10/0x10
[ 604.408563][ T8100] ? __pfx_dump_stack_lvl+0x10/0x10
[ 604.408587][ T8100] ? __pfx__printk+0x10/0x10
[ 604.408612][ T8100] ? __pfx___might_resched+0x10/0x10
[ 604.408632][ T8100] ? fs_reclaim_acquire+0x7d/0x100
[ 604.408654][ T8100] should_fail_ex+0x46c/0x600
[ 604.408684][ T8100] should_failslab+0xa8/0x100
[ 604.408709][ T8100] __kmalloc_cache_node_noprof+0x78/0x340
[ 604.408733][ T8100] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 604.408759][ T8100] sbitmap_queue_init_node+0x1dc/0x4d0
[ 604.408782][ T8100] blk_mq_init_tags+0x11e/0x270
[ 604.408811][ T8100] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 604.408849][ T8100] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 604.408877][ T8100] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 604.408905][ T8100] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 604.408926][ T8100] ? __kasan_slab_free+0x5b/0x80
[ 604.408946][ T8100] ? kfree+0x195/0x550
[ 604.408984][ T8100] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 604.409020][ T8100] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 604.409045][ T8100] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 604.409099][ T8100] ? nbd_start_device+0x174/0xb20
[ 604.409130][ T8100] nbd_start_device+0x17f/0xb20
[ 604.409158][ T8100] ? nbd_ioctl+0x131/0xec0
[ 604.409185][ T8100] nbd_ioctl+0x637/0xec0
[ 604.409215][ T8100] ? __pfx_nbd_ioctl+0x10/0x10
[ 604.409236][ T8100] ? __asan_memset+0x22/0x50
[ 604.409255][ T8100] ? smack_file_ioctl+0x24d/0x340
[ 604.409278][ T8100] ? __pfx_smack_file_ioctl+0x10/0x10
[ 604.409300][ T8100] ? __pfx_nbd_ioctl+0x10/0x10
[ 604.409324][ T8100] blkdev_ioctl+0x5a8/0x6d0
[ 604.409347][ T8100] ? __pfx_blkdev_ioctl+0x10/0x10
[ 604.409364][ T8100] ? __fget_files+0x2a/0x420
[ 604.409391][ T8100] ? bpf_lsm_file_ioctl+0x9/0x20
[ 604.409411][ T8100] ? __pfx_blkdev_ioctl+0x10/0x10
[ 604.409431][ T8100] __se_sys_ioctl+0xff/0x170
[ 604.409454][ T8100] do_syscall_64+0xfa/0x3b0
[ 604.409469][ T8100] ? lockdep_hardirqs_on+0x9c/0x150
[ 604.409492][ T8100] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.409510][ T8100] ? clear_bhb_loop+0x60/0xb0
[ 604.409532][ T8100] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.409549][ T8100] RIP: 0033:0x7ff3a7c24569
[ 604.409565][ T8100] 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
[ 604.409581][ T8100] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 604.409601][ T8100] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 604.409615][ T8100] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 604.409626][ T8100] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 604.409639][ T8100] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 604.409651][ T8100] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 604.409681][ T8100]
[ 604.576540][ T8100] block nbd0: shutting down sockets
[ 604.728364][ T8102] FAULT_INJECTION: forcing a failure.
[ 604.728364][ T8102] name failslab, interval 1, probability 0, space 0, times 0
[ 604.728399][ T8102] CPU: 0 UID: 0 PID: 8102 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 604.728421][ T8102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 604.728432][ T8102] Call Trace:
[ 604.728440][ T8102]
[ 604.728449][ T8102] dump_stack_lvl+0x189/0x250
[ 604.728478][ T8102] ? __pfx____ratelimit+0x10/0x10
[ 604.728504][ T8102] ? __pfx_dump_stack_lvl+0x10/0x10
[ 604.728528][ T8102] ? __pfx__printk+0x10/0x10
[ 604.728554][ T8102] ? __pfx___might_resched+0x10/0x10
[ 604.728574][ T8102] ? fs_reclaim_acquire+0x7d/0x100
[ 604.728596][ T8102] should_fail_ex+0x46c/0x600
[ 604.728626][ T8102] should_failslab+0xa8/0x100
[ 604.728652][ T8102] __kmalloc_cache_node_noprof+0x78/0x340
[ 604.728675][ T8102] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 604.728700][ T8102] sbitmap_queue_init_node+0x1dc/0x4d0
[ 604.728723][ T8102] blk_mq_init_tags+0x11e/0x270
[ 604.728753][ T8102] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 604.728790][ T8102] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 604.728819][ T8102] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 604.728847][ T8102] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 604.728868][ T8102] ? __kasan_slab_free+0x5b/0x80
[ 604.728888][ T8102] ? kfree+0x195/0x550
[ 604.728926][ T8102] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 604.728963][ T8102] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 604.728987][ T8102] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 604.729036][ T8102] ? nbd_start_device+0x174/0xb20
[ 604.729066][ T8102] nbd_start_device+0x17f/0xb20
[ 604.729098][ T8102] ? nbd_ioctl+0x131/0xec0
[ 604.729125][ T8102] nbd_ioctl+0x637/0xec0
[ 604.729155][ T8102] ? __pfx_nbd_ioctl+0x10/0x10
[ 604.729177][ T8102] ? __asan_memset+0x22/0x50
[ 604.729195][ T8102] ? smack_file_ioctl+0x24d/0x340
[ 604.729217][ T8102] ? __pfx_smack_file_ioctl+0x10/0x10
[ 604.729239][ T8102] ? __pfx_nbd_ioctl+0x10/0x10
[ 604.729265][ T8102] blkdev_ioctl+0x5a8/0x6d0
[ 604.729287][ T8102] ? __pfx_blkdev_ioctl+0x10/0x10
[ 604.729304][ T8102] ? __fget_files+0x2a/0x420
[ 604.729332][ T8102] ? bpf_lsm_file_ioctl+0x9/0x20
[ 604.729351][ T8102] ? __pfx_blkdev_ioctl+0x10/0x10
[ 604.729371][ T8102] __se_sys_ioctl+0xff/0x170
[ 604.729394][ T8102] do_syscall_64+0xfa/0x3b0
[ 604.729409][ T8102] ? lockdep_hardirqs_on+0x9c/0x150
[ 604.729433][ T8102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.729451][ T8102] ? clear_bhb_loop+0x60/0xb0
[ 604.729472][ T8102] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.729490][ T8102] RIP: 0033:0x7ff3a7c24569
[ 604.729506][ T8102] 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
[ 604.729521][ T8102] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 604.729541][ T8102] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 604.729555][ T8102] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 604.729566][ T8102] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 604.729579][ T8102] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 604.729591][ T8102] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 604.729621][ T8102]
[ 604.895216][ T8102] block nbd0: shutting down sockets
[ 605.078669][ T8104] FAULT_INJECTION: forcing a failure.
[ 605.078669][ T8104] name failslab, interval 1, probability 0, space 0, times 0
[ 605.078718][ T8104] CPU: 0 UID: 0 PID: 8104 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 605.078740][ T8104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 605.078752][ T8104] Call Trace:
[ 605.078760][ T8104]
[ 605.078768][ T8104] dump_stack_lvl+0x189/0x250
[ 605.078798][ T8104] ? __pfx____ratelimit+0x10/0x10
[ 605.078828][ T8104] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.078853][ T8104] ? __pfx__printk+0x10/0x10
[ 605.078878][ T8104] ? __pfx___might_resched+0x10/0x10
[ 605.078897][ T8104] ? fs_reclaim_acquire+0x7d/0x100
[ 605.078919][ T8104] should_fail_ex+0x46c/0x600
[ 605.078949][ T8104] should_failslab+0xa8/0x100
[ 605.078975][ T8104] __kmalloc_cache_node_noprof+0x78/0x340
[ 605.078998][ T8104] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 605.079032][ T8104] sbitmap_queue_init_node+0x1dc/0x4d0
[ 605.079055][ T8104] blk_mq_init_tags+0x11e/0x270
[ 605.079084][ T8104] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 605.079123][ T8104] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 605.079151][ T8104] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 605.079179][ T8104] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 605.079200][ T8104] ? __kasan_slab_free+0x5b/0x80
[ 605.079220][ T8104] ? kfree+0x195/0x550
[ 605.079258][ T8104] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 605.079294][ T8104] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 605.079319][ T8104] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 605.079367][ T8104] ? nbd_start_device+0x174/0xb20
[ 605.079397][ T8104] nbd_start_device+0x17f/0xb20
[ 605.079426][ T8104] ? nbd_ioctl+0x131/0xec0
[ 605.079453][ T8104] nbd_ioctl+0x637/0xec0
[ 605.079484][ T8104] ? __pfx_nbd_ioctl+0x10/0x10
[ 605.079505][ T8104] ? __asan_memset+0x22/0x50
[ 605.079524][ T8104] ? smack_file_ioctl+0x24d/0x340
[ 605.079546][ T8104] ? __pfx_smack_file_ioctl+0x10/0x10
[ 605.079568][ T8104] ? __pfx_nbd_ioctl+0x10/0x10
[ 605.079593][ T8104] blkdev_ioctl+0x5a8/0x6d0
[ 605.079615][ T8104] ? __pfx_blkdev_ioctl+0x10/0x10
[ 605.079633][ T8104] ? __fget_files+0x2a/0x420
[ 605.079660][ T8104] ? bpf_lsm_file_ioctl+0x9/0x20
[ 605.079680][ T8104] ? __pfx_blkdev_ioctl+0x10/0x10
[ 605.079700][ T8104] __se_sys_ioctl+0xff/0x170
[ 605.079722][ T8104] do_syscall_64+0xfa/0x3b0
[ 605.079738][ T8104] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.079761][ T8104] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.079779][ T8104] ? clear_bhb_loop+0x60/0xb0
[ 605.079800][ T8104] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.079817][ T8104] RIP: 0033:0x7ff3a7c24569
[ 605.079834][ T8104] 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
[ 605.079849][ T8104] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 605.079869][ T8104] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 605.079882][ T8104] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 605.079894][ T8104] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 605.079906][ T8104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 605.079918][ T8104] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 605.079957][ T8104]
[ 605.248554][ T8104] block nbd0: shutting down sockets
[ 605.447421][ T8108] FAULT_INJECTION: forcing a failure.
[ 605.447421][ T8108] name failslab, interval 1, probability 0, space 0, times 0
[ 605.447457][ T8108] CPU: 0 UID: 0 PID: 8108 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 605.447470][ T8108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 605.447477][ T8108] Call Trace:
[ 605.447481][ T8108]
[ 605.447487][ T8108] dump_stack_lvl+0x189/0x250
[ 605.447506][ T8108] ? __pfx____ratelimit+0x10/0x10
[ 605.447521][ T8108] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.447535][ T8108] ? __pfx__printk+0x10/0x10
[ 605.447550][ T8108] ? __pfx___might_resched+0x10/0x10
[ 605.447561][ T8108] ? fs_reclaim_acquire+0x7d/0x100
[ 605.447574][ T8108] should_fail_ex+0x46c/0x600
[ 605.447591][ T8108] should_failslab+0xa8/0x100
[ 605.447606][ T8108] __kmalloc_cache_node_noprof+0x78/0x340
[ 605.447619][ T8108] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 605.447634][ T8108] sbitmap_queue_init_node+0x1dc/0x4d0
[ 605.447647][ T8108] blk_mq_init_tags+0x11e/0x270
[ 605.447663][ T8108] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 605.447684][ T8108] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 605.447700][ T8108] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 605.447715][ T8108] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 605.447738][ T8108] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 605.447758][ T8108] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 605.447773][ T8108] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 605.447785][ T8108] ? rt_mutex_slowlock+0x3de/0x6e0
[ 605.447809][ T8108] ? nbd_start_device+0x174/0xb20
[ 605.447826][ T8108] nbd_start_device+0x17f/0xb20
[ 605.447846][ T8108] nbd_ioctl+0x637/0xec0
[ 605.447863][ T8108] ? __pfx_nbd_ioctl+0x10/0x10
[ 605.447875][ T8108] ? __asan_memset+0x22/0x50
[ 605.447885][ T8108] ? smack_file_ioctl+0x24d/0x340
[ 605.447897][ T8108] ? __pfx_smack_file_ioctl+0x10/0x10
[ 605.447909][ T8108] ? __pfx_nbd_ioctl+0x10/0x10
[ 605.447923][ T8108] blkdev_ioctl+0x5a8/0x6d0
[ 605.447942][ T8108] ? __pfx_blkdev_ioctl+0x10/0x10
[ 605.447952][ T8108] ? __fget_files+0x2a/0x420
[ 605.447967][ T8108] ? bpf_lsm_file_ioctl+0x9/0x20
[ 605.447979][ T8108] ? __pfx_blkdev_ioctl+0x10/0x10
[ 605.447989][ T8108] __se_sys_ioctl+0xff/0x170
[ 605.448002][ T8108] do_syscall_64+0xfa/0x3b0
[ 605.448011][ T8108] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.448025][ T8108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.448035][ T8108] ? clear_bhb_loop+0x60/0xb0
[ 605.448047][ T8108] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.448057][ T8108] RIP: 0033:0x7ff3a7c24569
[ 605.448067][ T8108] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 605.448076][ T8108] RSP: 002b:00007ff3a7bb9208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 605.448094][ T8108] RAX: ffffffffffffffda RBX: 00007ff3a7cab418 RCX: 00007ff3a7c24569
[ 605.448106][ T8108] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 605.448117][ T8108] RBP: 00007ff3a7cab410 R08: 00007ff3a7bb8fa6 R09: 0000000000003431
[ 605.448128][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 605.448139][ T8108] R13: 00007ff3a7bb9210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 605.448167][ T8108]
[ 605.608883][ T8108] block nbd0: shutting down sockets
[ 605.787989][ T8110] FAULT_INJECTION: forcing a failure.
[ 605.787989][ T8110] name failslab, interval 1, probability 0, space 0, times 0
[ 605.788013][ T8110] CPU: 0 UID: 0 PID: 8110 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 605.788026][ T8110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 605.788033][ T8110] Call Trace:
[ 605.788038][ T8110]
[ 605.788043][ T8110] dump_stack_lvl+0x189/0x250
[ 605.788062][ T8110] ? __pfx____ratelimit+0x10/0x10
[ 605.788077][ T8110] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.788091][ T8110] ? __pfx__printk+0x10/0x10
[ 605.788105][ T8110] ? __pfx___might_resched+0x10/0x10
[ 605.788116][ T8110] ? fs_reclaim_acquire+0x7d/0x100
[ 605.788129][ T8110] should_fail_ex+0x46c/0x600
[ 605.788146][ T8110] should_failslab+0xa8/0x100
[ 605.788163][ T8110] __kmalloc_cache_node_noprof+0x78/0x340
[ 605.788177][ T8110] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 605.788191][ T8110] sbitmap_queue_init_node+0x1dc/0x4d0
[ 605.788204][ T8110] blk_mq_init_tags+0x11e/0x270
[ 605.788227][ T8110] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 605.788248][ T8110] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 605.788264][ T8110] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 605.788279][ T8110] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 605.788290][ T8110] ? __kasan_slab_free+0x5b/0x80
[ 605.788302][ T8110] ? kfree+0x195/0x550
[ 605.788322][ T8110] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 605.788342][ T8110] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 605.788357][ T8110] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 605.788383][ T8110] ? nbd_start_device+0x174/0xb20
[ 605.788400][ T8110] nbd_start_device+0x17f/0xb20
[ 605.788416][ T8110] ? nbd_ioctl+0x131/0xec0
[ 605.788431][ T8110] nbd_ioctl+0x637/0xec0
[ 605.788447][ T8110] ? __pfx_nbd_ioctl+0x10/0x10
[ 605.788459][ T8110] ? __asan_memset+0x22/0x50
[ 605.788469][ T8110] ? smack_file_ioctl+0x24d/0x340
[ 605.788482][ T8110] ? __pfx_smack_file_ioctl+0x10/0x10
[ 605.788497][ T8110] ? __pfx_nbd_ioctl+0x10/0x10
[ 605.788512][ T8110] blkdev_ioctl+0x5a8/0x6d0
[ 605.788524][ T8110] ? __pfx_blkdev_ioctl+0x10/0x10
[ 605.788533][ T8110] ? __fget_files+0x2a/0x420
[ 605.788548][ T8110] ? bpf_lsm_file_ioctl+0x9/0x20
[ 605.788559][ T8110] ? __pfx_blkdev_ioctl+0x10/0x10
[ 605.788570][ T8110] __se_sys_ioctl+0xff/0x170
[ 605.788583][ T8110] do_syscall_64+0xfa/0x3b0
[ 605.788592][ T8110] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.788605][ T8110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.788615][ T8110] ? clear_bhb_loop+0x60/0xb0
[ 605.788628][ T8110] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.788637][ T8110] RIP: 0033:0x7ff3a7c24569
[ 605.788648][ T8110] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 605.788656][ T8110] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 605.788668][ T8110] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 605.788676][ T8110] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 605.788682][ T8110] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 605.788689][ T8110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 605.788696][ T8110] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 605.788713][ T8110]
[ 605.958501][ T8110] block nbd0: shutting down sockets
[ 606.136912][ T8114] block nbd0: Device being setup by another task
[ 606.137824][ T8113] FAULT_INJECTION: forcing a failure.
[ 606.137824][ T8113] name failslab, interval 1, probability 0, space 0, times 0
[ 606.137845][ T8113] CPU: 0 UID: 0 PID: 8113 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 606.137858][ T8113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 606.137864][ T8113] Call Trace:
[ 606.137869][ T8113]
[ 606.137875][ T8113] dump_stack_lvl+0x189/0x250
[ 606.137894][ T8113] ? __pfx____ratelimit+0x10/0x10
[ 606.137910][ T8113] ? __pfx_dump_stack_lvl+0x10/0x10
[ 606.137923][ T8113] ? __pfx__printk+0x10/0x10
[ 606.137938][ T8113] ? __pfx___might_resched+0x10/0x10
[ 606.137949][ T8113] ? fs_reclaim_acquire+0x7d/0x100
[ 606.137962][ T8113] should_fail_ex+0x46c/0x600
[ 606.137983][ T8113] ? __d_alloc+0x36/0x7b0
[ 606.137996][ T8113] should_failslab+0xa8/0x100
[ 606.138017][ T8113] ? __d_alloc+0x36/0x7b0
[ 606.138027][ T8113] kmem_cache_alloc_lru_noprof+0x73/0x310
[ 606.138045][ T8113] __d_alloc+0x36/0x7b0
[ 606.138057][ T8113] d_alloc_parallel+0xe5/0x1600
[ 606.138073][ T8113] ? rtlock_slowlock_locked+0xd8/0x4010
[ 606.138091][ T8113] ? __pfx_d_alloc_parallel+0x10/0x10
[ 606.138105][ T8113] ? __rt_spin_lock_init+0x3e/0x50
[ 606.138117][ T8113] ? __init_waitqueue_head+0xae/0x160
[ 606.138133][ T8113] __lookup_slow+0x11c/0x3d0
[ 606.138145][ T8113] ? __pfx___lookup_slow+0x10/0x10
[ 606.138163][ T8113] ? lookup_noperm_common+0x241/0x430
[ 606.138176][ T8113] ? d_lookup+0xaa/0xc0
[ 606.138186][ T8113] ? lookup_noperm+0x111/0x240
[ 606.138197][ T8113] simple_start_creating+0xfd/0x1e0
[ 606.138212][ T8113] ? __pfx_simple_start_creating+0x10/0x10
[ 606.138252][ T8113] ? mntput+0x65/0xc0
[ 606.138267][ T8113] start_creating+0x10f/0x180
[ 606.138282][ T8113] __debugfs_create_file+0x79/0x4f0
[ 606.138298][ T8113] debugfs_create_file_unsafe+0x3a/0x50
[ 606.138313][ T8113] nbd_start_device+0x3b8/0xb20
[ 606.138329][ T8113] ? nbd_ioctl+0x131/0xec0
[ 606.138344][ T8113] nbd_ioctl+0x637/0xec0
[ 606.138364][ T8113] ? __pfx_nbd_ioctl+0x10/0x10
[ 606.138376][ T8113] ? __asan_memset+0x22/0x50
[ 606.138386][ T8113] ? smack_file_ioctl+0x24d/0x340
[ 606.138400][ T8113] ? __pfx_smack_file_ioctl+0x10/0x10
[ 606.138412][ T8113] ? __pfx_nbd_ioctl+0x10/0x10
[ 606.138426][ T8113] blkdev_ioctl+0x5a8/0x6d0
[ 606.138440][ T8113] ? __pfx_blkdev_ioctl+0x10/0x10
[ 606.138449][ T8113] ? __fget_files+0x2a/0x420
[ 606.138465][ T8113] ? bpf_lsm_file_ioctl+0x9/0x20
[ 606.138477][ T8113] ? __pfx_blkdev_ioctl+0x10/0x10
[ 606.138488][ T8113] __se_sys_ioctl+0xff/0x170
[ 606.138501][ T8113] do_syscall_64+0xfa/0x3b0
[ 606.138510][ T8113] ? lockdep_hardirqs_on+0x9c/0x150
[ 606.138523][ T8113] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.138533][ T8113] ? clear_bhb_loop+0x60/0xb0
[ 606.138546][ T8113] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.138555][ T8113] RIP: 0033:0x7ff3a7c24569
[ 606.138565][ T8113] 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
[ 606.138573][ T8113] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 606.138585][ T8113] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 606.138593][ T8113] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 606.138600][ T8113] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 606.138607][ T8113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 606.138613][ T8113] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 606.138629][ T8113]
[ 606.305898][ T8113] block nbd0: shutting down sockets
[ 606.478266][ T8116] FAULT_INJECTION: forcing a failure.
[ 606.478266][ T8116] name failslab, interval 1, probability 0, space 0, times 0
[ 606.478300][ T8116] CPU: 0 UID: 0 PID: 8116 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 606.478322][ T8116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 606.478334][ T8116] Call Trace:
[ 606.478341][ T8116]
[ 606.478349][ T8116] dump_stack_lvl+0x189/0x250
[ 606.478380][ T8116] ? __pfx____ratelimit+0x10/0x10
[ 606.478411][ T8116] ? __pfx_dump_stack_lvl+0x10/0x10
[ 606.478436][ T8116] ? __pfx__printk+0x10/0x10
[ 606.478462][ T8116] ? __pfx___might_resched+0x10/0x10
[ 606.478482][ T8116] ? fs_reclaim_acquire+0x7d/0x100
[ 606.478503][ T8116] should_fail_ex+0x46c/0x600
[ 606.478534][ T8116] should_failslab+0xa8/0x100
[ 606.478560][ T8116] __kmalloc_cache_node_noprof+0x78/0x340
[ 606.478584][ T8116] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 606.478609][ T8116] sbitmap_queue_init_node+0x1dc/0x4d0
[ 606.478631][ T8116] blk_mq_init_tags+0x11e/0x270
[ 606.478660][ T8116] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 606.478698][ T8116] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 606.478727][ T8116] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 606.478755][ T8116] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 606.478776][ T8116] ? __kasan_slab_free+0x5b/0x80
[ 606.478796][ T8116] ? kfree+0x195/0x550
[ 606.478834][ T8116] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 606.478870][ T8116] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 606.478894][ T8116] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 606.478942][ T8116] ? nbd_start_device+0x174/0xb20
[ 606.478972][ T8116] nbd_start_device+0x17f/0xb20
[ 606.479000][ T8116] ? nbd_ioctl+0x131/0xec0
[ 606.479027][ T8116] nbd_ioctl+0x637/0xec0
[ 606.479057][ T8116] ? __pfx_nbd_ioctl+0x10/0x10
[ 606.479079][ T8116] ? __asan_memset+0x22/0x50
[ 606.479097][ T8116] ? smack_file_ioctl+0x24d/0x340
[ 606.479119][ T8116] ? __pfx_smack_file_ioctl+0x10/0x10
[ 606.479147][ T8116] ? __pfx_nbd_ioctl+0x10/0x10
[ 606.479173][ T8116] blkdev_ioctl+0x5a8/0x6d0
[ 606.479196][ T8116] ? __pfx_blkdev_ioctl+0x10/0x10
[ 606.479213][ T8116] ? __fget_files+0x2a/0x420
[ 606.479240][ T8116] ? bpf_lsm_file_ioctl+0x9/0x20
[ 606.479261][ T8116] ? __pfx_blkdev_ioctl+0x10/0x10
[ 606.479280][ T8116] __se_sys_ioctl+0xff/0x170
[ 606.479304][ T8116] do_syscall_64+0xfa/0x3b0
[ 606.479319][ T8116] ? lockdep_hardirqs_on+0x9c/0x150
[ 606.479343][ T8116] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.479361][ T8116] ? clear_bhb_loop+0x60/0xb0
[ 606.479383][ T8116] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.479400][ T8116] RIP: 0033:0x7ff3a7c24569
[ 606.479415][ T8116] 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
[ 606.479431][ T8116] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 606.479450][ T8116] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 606.479464][ T8116] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 606.479476][ T8116] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 606.479488][ T8116] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 606.479501][ T8116] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 606.479530][ T8116]
[ 606.645970][ T8116] block nbd0: shutting down sockets
[ 606.808928][ T8118] FAULT_INJECTION: forcing a failure.
[ 606.808928][ T8118] name failslab, interval 1, probability 0, space 0, times 0
[ 606.808962][ T8118] CPU: 0 UID: 0 PID: 8118 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 606.808984][ T8118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 606.808995][ T8118] Call Trace:
[ 606.809002][ T8118]
[ 606.809010][ T8118] dump_stack_lvl+0x189/0x250
[ 606.809041][ T8118] ? __pfx____ratelimit+0x10/0x10
[ 606.809067][ T8118] ? __pfx_dump_stack_lvl+0x10/0x10
[ 606.809091][ T8118] ? __pfx__printk+0x10/0x10
[ 606.809117][ T8118] ? __pfx___might_resched+0x10/0x10
[ 606.809136][ T8118] ? fs_reclaim_acquire+0x7d/0x100
[ 606.809158][ T8118] should_fail_ex+0x46c/0x600
[ 606.809188][ T8118] should_failslab+0xa8/0x100
[ 606.809213][ T8118] __kmalloc_cache_node_noprof+0x78/0x340
[ 606.809236][ T8118] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 606.809258][ T8118] sbitmap_queue_init_node+0x1dc/0x4d0
[ 606.809282][ T8118] blk_mq_init_tags+0x11e/0x270
[ 606.809310][ T8118] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 606.809348][ T8118] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 606.809377][ T8118] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 606.809405][ T8118] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 606.809425][ T8118] ? __kasan_slab_free+0x5b/0x80
[ 606.809445][ T8118] ? kfree+0x195/0x550
[ 606.809483][ T8118] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 606.809520][ T8118] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 606.809545][ T8118] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 606.809593][ T8118] ? nbd_start_device+0x174/0xb20
[ 606.809624][ T8118] nbd_start_device+0x17f/0xb20
[ 606.809652][ T8118] ? nbd_ioctl+0x131/0xec0
[ 606.809697][ T8118] nbd_ioctl+0x637/0xec0
[ 606.809727][ T8118] ? __pfx_nbd_ioctl+0x10/0x10
[ 606.809749][ T8118] ? __asan_memset+0x22/0x50
[ 606.809767][ T8118] ? smack_file_ioctl+0x24d/0x340
[ 606.809789][ T8118] ? __pfx_smack_file_ioctl+0x10/0x10
[ 606.809811][ T8118] ? __pfx_nbd_ioctl+0x10/0x10
[ 606.809837][ T8118] blkdev_ioctl+0x5a8/0x6d0
[ 606.809860][ T8118] ? __pfx_blkdev_ioctl+0x10/0x10
[ 606.809884][ T8118] ? __fget_files+0x2a/0x420
[ 606.809912][ T8118] ? bpf_lsm_file_ioctl+0x9/0x20
[ 606.809932][ T8118] ? __pfx_blkdev_ioctl+0x10/0x10
[ 606.809952][ T8118] __se_sys_ioctl+0xff/0x170
[ 606.809976][ T8118] do_syscall_64+0xfa/0x3b0
[ 606.809992][ T8118] ? lockdep_hardirqs_on+0x9c/0x150
[ 606.810016][ T8118] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.810034][ T8118] ? clear_bhb_loop+0x60/0xb0
[ 606.810057][ T8118] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.810073][ T8118] RIP: 0033:0x7ff3a7c24569
[ 606.810089][ T8118] 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
[ 606.810105][ T8118] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 606.810125][ T8118] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 606.810138][ T8118] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 606.810149][ T8118] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 606.810162][ T8118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 606.810174][ T8118] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 606.810204][ T8118]
[ 606.973933][ T8118] block nbd0: shutting down sockets
[ 607.148247][ T8120] FAULT_INJECTION: forcing a failure.
[ 607.148247][ T8120] name failslab, interval 1, probability 0, space 0, times 0
[ 607.148280][ T8120] CPU: 0 UID: 0 PID: 8120 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 607.148303][ T8120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 607.148314][ T8120] Call Trace:
[ 607.148322][ T8120]
[ 607.148330][ T8120] dump_stack_lvl+0x189/0x250
[ 607.148360][ T8120] ? __pfx____ratelimit+0x10/0x10
[ 607.148387][ T8120] ? __pfx_dump_stack_lvl+0x10/0x10
[ 607.148412][ T8120] ? __pfx__printk+0x10/0x10
[ 607.148438][ T8120] ? __pfx___might_resched+0x10/0x10
[ 607.148457][ T8120] ? fs_reclaim_acquire+0x7d/0x100
[ 607.148479][ T8120] should_fail_ex+0x46c/0x600
[ 607.148511][ T8120] should_failslab+0xa8/0x100
[ 607.148536][ T8120] __kmalloc_cache_node_noprof+0x78/0x340
[ 607.148561][ T8120] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 607.148586][ T8120] sbitmap_queue_init_node+0x1dc/0x4d0
[ 607.148609][ T8120] blk_mq_init_tags+0x11e/0x270
[ 607.148638][ T8120] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 607.148677][ T8120] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 607.148705][ T8120] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 607.148733][ T8120] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 607.148754][ T8120] ? __kasan_slab_free+0x5b/0x80
[ 607.148774][ T8120] ? kfree+0x195/0x550
[ 607.148810][ T8120] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 607.148846][ T8120] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 607.148871][ T8120] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 607.148920][ T8120] ? nbd_start_device+0x174/0xb20
[ 607.148949][ T8120] nbd_start_device+0x17f/0xb20
[ 607.148978][ T8120] ? nbd_ioctl+0x131/0xec0
[ 607.149005][ T8120] nbd_ioctl+0x637/0xec0
[ 607.149041][ T8120] ? __pfx_nbd_ioctl+0x10/0x10
[ 607.149062][ T8120] ? __asan_memset+0x22/0x50
[ 607.149081][ T8120] ? smack_file_ioctl+0x24d/0x340
[ 607.149104][ T8120] ? __pfx_smack_file_ioctl+0x10/0x10
[ 607.149125][ T8120] ? __pfx_nbd_ioctl+0x10/0x10
[ 607.149150][ T8120] blkdev_ioctl+0x5a8/0x6d0
[ 607.149173][ T8120] ? __pfx_blkdev_ioctl+0x10/0x10
[ 607.149190][ T8120] ? __fget_files+0x2a/0x420
[ 607.149217][ T8120] ? bpf_lsm_file_ioctl+0x9/0x20
[ 607.149236][ T8120] ? __pfx_blkdev_ioctl+0x10/0x10
[ 607.149256][ T8120] __se_sys_ioctl+0xff/0x170
[ 607.149279][ T8120] do_syscall_64+0xfa/0x3b0
[ 607.149295][ T8120] ? lockdep_hardirqs_on+0x9c/0x150
[ 607.149319][ T8120] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.149337][ T8120] ? clear_bhb_loop+0x60/0xb0
[ 607.149359][ T8120] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.149376][ T8120] RIP: 0033:0x7ff3a7c24569
[ 607.149392][ T8120] 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
[ 607.149408][ T8120] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 607.149427][ T8120] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 607.149440][ T8120] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 607.149452][ T8120] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 607.149465][ T8120] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 607.149476][ T8120] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 607.149505][ T8120]
[ 607.313518][ T8120] block nbd0: shutting down sockets
[ 607.478428][ T8122] FAULT_INJECTION: forcing a failure.
[ 607.478428][ T8122] name failslab, interval 1, probability 0, space 0, times 0
[ 607.478462][ T8122] CPU: 0 UID: 0 PID: 8122 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 607.478484][ T8122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 607.478496][ T8122] Call Trace:
[ 607.478503][ T8122]
[ 607.478511][ T8122] dump_stack_lvl+0x189/0x250
[ 607.478542][ T8122] ? __pfx____ratelimit+0x10/0x10
[ 607.478568][ T8122] ? __pfx_dump_stack_lvl+0x10/0x10
[ 607.478593][ T8122] ? __pfx__printk+0x10/0x10
[ 607.478619][ T8122] ? __pfx___might_resched+0x10/0x10
[ 607.478638][ T8122] ? fs_reclaim_acquire+0x7d/0x100
[ 607.478660][ T8122] should_fail_ex+0x46c/0x600
[ 607.478689][ T8122] should_failslab+0xa8/0x100
[ 607.478715][ T8122] __kmalloc_cache_node_noprof+0x78/0x340
[ 607.478738][ T8122] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 607.478763][ T8122] sbitmap_queue_init_node+0x1dc/0x4d0
[ 607.478786][ T8122] blk_mq_init_tags+0x11e/0x270
[ 607.478823][ T8122] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 607.478861][ T8122] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 607.478890][ T8122] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 607.478918][ T8122] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 607.478939][ T8122] ? __kasan_slab_free+0x5b/0x80
[ 607.478958][ T8122] ? kfree+0x195/0x550
[ 607.478997][ T8122] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 607.479034][ T8122] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 607.479058][ T8122] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 607.479107][ T8122] ? nbd_start_device+0x174/0xb20
[ 607.479137][ T8122] nbd_start_device+0x17f/0xb20
[ 607.479165][ T8122] ? nbd_ioctl+0x131/0xec0
[ 607.479192][ T8122] nbd_ioctl+0x637/0xec0
[ 607.479222][ T8122] ? __pfx_nbd_ioctl+0x10/0x10
[ 607.479243][ T8122] ? __asan_memset+0x22/0x50
[ 607.479261][ T8122] ? smack_file_ioctl+0x24d/0x340
[ 607.479283][ T8122] ? __pfx_smack_file_ioctl+0x10/0x10
[ 607.479306][ T8122] ? __pfx_nbd_ioctl+0x10/0x10
[ 607.479331][ T8122] blkdev_ioctl+0x5a8/0x6d0
[ 607.479354][ T8122] ? __pfx_blkdev_ioctl+0x10/0x10
[ 607.479371][ T8122] ? __fget_files+0x2a/0x420
[ 607.479398][ T8122] ? bpf_lsm_file_ioctl+0x9/0x20
[ 607.479418][ T8122] ? __pfx_blkdev_ioctl+0x10/0x10
[ 607.479438][ T8122] __se_sys_ioctl+0xff/0x170
[ 607.479462][ T8122] do_syscall_64+0xfa/0x3b0
[ 607.479477][ T8122] ? lockdep_hardirqs_on+0x9c/0x150
[ 607.479501][ T8122] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.479519][ T8122] ? clear_bhb_loop+0x60/0xb0
[ 607.479541][ T8122] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.479558][ T8122] RIP: 0033:0x7ff3a7c24569
[ 607.479573][ T8122] 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
[ 607.479588][ T8122] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 607.479608][ T8122] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 607.479623][ T8122] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 607.479634][ T8122] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 607.479647][ T8122] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 607.479659][ T8122] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 607.479689][ T8122]
[ 607.644084][ T8122] block nbd0: shutting down sockets
[ 607.799426][ T8124] FAULT_INJECTION: forcing a failure.
[ 607.799426][ T8124] name failslab, interval 1, probability 0, space 0, times 0
[ 607.799460][ T8124] CPU: 0 UID: 0 PID: 8124 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 607.799482][ T8124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 607.799493][ T8124] Call Trace:
[ 607.799500][ T8124]
[ 607.799509][ T8124] dump_stack_lvl+0x189/0x250
[ 607.799539][ T8124] ? __pfx____ratelimit+0x10/0x10
[ 607.799565][ T8124] ? __pfx_dump_stack_lvl+0x10/0x10
[ 607.799590][ T8124] ? __pfx__printk+0x10/0x10
[ 607.799616][ T8124] ? __pfx___might_resched+0x10/0x10
[ 607.799635][ T8124] ? fs_reclaim_acquire+0x7d/0x100
[ 607.799658][ T8124] should_fail_ex+0x46c/0x600
[ 607.799688][ T8124] should_failslab+0xa8/0x100
[ 607.799714][ T8124] __kmalloc_cache_node_noprof+0x78/0x340
[ 607.799737][ T8124] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 607.799762][ T8124] sbitmap_queue_init_node+0x1dc/0x4d0
[ 607.799785][ T8124] blk_mq_init_tags+0x11e/0x270
[ 607.799813][ T8124] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 607.799852][ T8124] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 607.799881][ T8124] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 607.799909][ T8124] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 607.799930][ T8124] ? __kasan_slab_free+0x5b/0x80
[ 607.799950][ T8124] ? kfree+0x195/0x550
[ 607.799995][ T8124] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 607.800032][ T8124] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 607.800057][ T8124] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 607.800105][ T8124] ? nbd_start_device+0x174/0xb20
[ 607.800134][ T8124] nbd_start_device+0x17f/0xb20
[ 607.800163][ T8124] ? nbd_ioctl+0x131/0xec0
[ 607.800190][ T8124] nbd_ioctl+0x637/0xec0
[ 607.800220][ T8124] ? __pfx_nbd_ioctl+0x10/0x10
[ 607.800241][ T8124] ? __asan_memset+0x22/0x50
[ 607.800260][ T8124] ? smack_file_ioctl+0x24d/0x340
[ 607.800282][ T8124] ? __pfx_smack_file_ioctl+0x10/0x10
[ 607.800303][ T8124] ? __pfx_nbd_ioctl+0x10/0x10
[ 607.800329][ T8124] blkdev_ioctl+0x5a8/0x6d0
[ 607.800352][ T8124] ? __pfx_blkdev_ioctl+0x10/0x10
[ 607.800369][ T8124] ? __fget_files+0x2a/0x420
[ 607.800396][ T8124] ? bpf_lsm_file_ioctl+0x9/0x20
[ 607.800417][ T8124] ? __pfx_blkdev_ioctl+0x10/0x10
[ 607.800437][ T8124] __se_sys_ioctl+0xff/0x170
[ 607.800460][ T8124] do_syscall_64+0xfa/0x3b0
[ 607.800476][ T8124] ? lockdep_hardirqs_on+0x9c/0x150
[ 607.800500][ T8124] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.800518][ T8124] ? clear_bhb_loop+0x60/0xb0
[ 607.800540][ T8124] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.800557][ T8124] RIP: 0033:0x7ff3a7c24569
[ 607.800573][ T8124] 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
[ 607.800588][ T8124] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 607.800608][ T8124] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 607.800622][ T8124] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 607.800633][ T8124] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 607.800646][ T8124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 607.800658][ T8124] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 607.800688][ T8124]
[ 607.964679][ T8124] block nbd0: shutting down sockets
[ 608.128304][ T8126] FAULT_INJECTION: forcing a failure.
[ 608.128304][ T8126] name failslab, interval 1, probability 0, space 0, times 0
[ 608.128339][ T8126] CPU: 0 UID: 0 PID: 8126 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 608.128362][ T8126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 608.128373][ T8126] Call Trace:
[ 608.128380][ T8126]
[ 608.128387][ T8126] dump_stack_lvl+0x189/0x250
[ 608.128418][ T8126] ? __pfx____ratelimit+0x10/0x10
[ 608.128445][ T8126] ? __pfx_dump_stack_lvl+0x10/0x10
[ 608.128470][ T8126] ? __pfx__printk+0x10/0x10
[ 608.128495][ T8126] ? __pfx___might_resched+0x10/0x10
[ 608.128514][ T8126] ? fs_reclaim_acquire+0x7d/0x100
[ 608.128544][ T8126] should_fail_ex+0x46c/0x600
[ 608.128574][ T8126] should_failslab+0xa8/0x100
[ 608.128599][ T8126] __kmalloc_cache_node_noprof+0x78/0x340
[ 608.128622][ T8126] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 608.128647][ T8126] sbitmap_queue_init_node+0x1dc/0x4d0
[ 608.128670][ T8126] blk_mq_init_tags+0x11e/0x270
[ 608.128699][ T8126] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 608.128736][ T8126] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 608.128766][ T8126] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 608.128799][ T8126] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 608.128819][ T8126] ? __kasan_slab_free+0x5b/0x80
[ 608.128839][ T8126] ? kfree+0x195/0x550
[ 608.128877][ T8126] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 608.128914][ T8126] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 608.128938][ T8126] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 608.128992][ T8126] ? nbd_start_device+0x174/0xb20
[ 608.129022][ T8126] nbd_start_device+0x17f/0xb20
[ 608.129051][ T8126] ? nbd_ioctl+0x131/0xec0
[ 608.129078][ T8126] nbd_ioctl+0x637/0xec0
[ 608.129108][ T8126] ? __pfx_nbd_ioctl+0x10/0x10
[ 608.129129][ T8126] ? __asan_memset+0x22/0x50
[ 608.129148][ T8126] ? smack_file_ioctl+0x24d/0x340
[ 608.129171][ T8126] ? __pfx_smack_file_ioctl+0x10/0x10
[ 608.129193][ T8126] ? __pfx_nbd_ioctl+0x10/0x10
[ 608.129218][ T8126] blkdev_ioctl+0x5a8/0x6d0
[ 608.129241][ T8126] ? __pfx_blkdev_ioctl+0x10/0x10
[ 608.129258][ T8126] ? __fget_files+0x2a/0x420
[ 608.129285][ T8126] ? bpf_lsm_file_ioctl+0x9/0x20
[ 608.129305][ T8126] ? __pfx_blkdev_ioctl+0x10/0x10
[ 608.129326][ T8126] __se_sys_ioctl+0xff/0x170
[ 608.129348][ T8126] do_syscall_64+0xfa/0x3b0
[ 608.129364][ T8126] ? lockdep_hardirqs_on+0x9c/0x150
[ 608.129387][ T8126] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.129405][ T8126] ? clear_bhb_loop+0x60/0xb0
[ 608.129427][ T8126] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.129444][ T8126] RIP: 0033:0x7ff3a7c24569
[ 608.129460][ T8126] 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
[ 608.129476][ T8126] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 608.129496][ T8126] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 608.129510][ T8126] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 608.129536][ T8126] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 608.129548][ T8126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 608.129560][ T8126] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 608.129591][ T8126]
[ 608.296045][ T8126] block nbd0: shutting down sockets
[ 608.458301][ T8128] FAULT_INJECTION: forcing a failure.
[ 608.458301][ T8128] name failslab, interval 1, probability 0, space 0, times 0
[ 608.458334][ T8128] CPU: 0 UID: 0 PID: 8128 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 608.458357][ T8128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 608.458368][ T8128] Call Trace:
[ 608.458376][ T8128]
[ 608.458383][ T8128] dump_stack_lvl+0x189/0x250
[ 608.458413][ T8128] ? __pfx____ratelimit+0x10/0x10
[ 608.458439][ T8128] ? __pfx_dump_stack_lvl+0x10/0x10
[ 608.458464][ T8128] ? __pfx__printk+0x10/0x10
[ 608.458491][ T8128] ? __pfx___might_resched+0x10/0x10
[ 608.458510][ T8128] ? fs_reclaim_acquire+0x7d/0x100
[ 608.458533][ T8128] should_fail_ex+0x46c/0x600
[ 608.458563][ T8128] should_failslab+0xa8/0x100
[ 608.458589][ T8128] __kmalloc_cache_node_noprof+0x78/0x340
[ 608.458612][ T8128] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 608.458637][ T8128] sbitmap_queue_init_node+0x1dc/0x4d0
[ 608.458659][ T8128] blk_mq_init_tags+0x11e/0x270
[ 608.458688][ T8128] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 608.458734][ T8128] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 608.458762][ T8128] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 608.458791][ T8128] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 608.458811][ T8128] ? __kasan_slab_free+0x5b/0x80
[ 608.458831][ T8128] ? kfree+0x195/0x550
[ 608.458869][ T8128] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 608.458906][ T8128] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 608.458931][ T8128] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 608.458978][ T8128] ? nbd_start_device+0x174/0xb20
[ 608.459009][ T8128] nbd_start_device+0x17f/0xb20
[ 608.459038][ T8128] ? nbd_ioctl+0x131/0xec0
[ 608.459064][ T8128] nbd_ioctl+0x637/0xec0
[ 608.459094][ T8128] ? __pfx_nbd_ioctl+0x10/0x10
[ 608.459116][ T8128] ? __asan_memset+0x22/0x50
[ 608.459135][ T8128] ? smack_file_ioctl+0x24d/0x340
[ 608.459157][ T8128] ? __pfx_smack_file_ioctl+0x10/0x10
[ 608.459179][ T8128] ? __pfx_nbd_ioctl+0x10/0x10
[ 608.459204][ T8128] blkdev_ioctl+0x5a8/0x6d0
[ 608.459227][ T8128] ? __pfx_blkdev_ioctl+0x10/0x10
[ 608.459244][ T8128] ? __fget_files+0x2a/0x420
[ 608.459272][ T8128] ? bpf_lsm_file_ioctl+0x9/0x20
[ 608.459292][ T8128] ? __pfx_blkdev_ioctl+0x10/0x10
[ 608.459312][ T8128] __se_sys_ioctl+0xff/0x170
[ 608.459335][ T8128] do_syscall_64+0xfa/0x3b0
[ 608.459351][ T8128] ? lockdep_hardirqs_on+0x9c/0x150
[ 608.459374][ T8128] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.459392][ T8128] ? clear_bhb_loop+0x60/0xb0
[ 608.459414][ T8128] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.459430][ T8128] RIP: 0033:0x7ff3a7c24569
[ 608.459447][ T8128] 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
[ 608.459463][ T8128] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 608.459482][ T8128] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 608.459496][ T8128] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 608.459507][ T8128] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 608.459520][ T8128] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 608.459532][ T8128] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 608.459562][ T8128]
[ 608.625208][ T8128] block nbd0: shutting down sockets
[ 608.789661][ T8130] FAULT_INJECTION: forcing a failure.
[ 608.789661][ T8130] name failslab, interval 1, probability 0, space 0, times 0
[ 608.789697][ T8130] CPU: 0 UID: 0 PID: 8130 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 608.789720][ T8130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 608.789732][ T8130] Call Trace:
[ 608.789739][ T8130]
[ 608.789747][ T8130] dump_stack_lvl+0x189/0x250
[ 608.789777][ T8130] ? __pfx____ratelimit+0x10/0x10
[ 608.789804][ T8130] ? __pfx_dump_stack_lvl+0x10/0x10
[ 608.789829][ T8130] ? __pfx__printk+0x10/0x10
[ 608.789861][ T8130] ? __pfx___might_resched+0x10/0x10
[ 608.789881][ T8130] ? fs_reclaim_acquire+0x7d/0x100
[ 608.789903][ T8130] should_fail_ex+0x46c/0x600
[ 608.789934][ T8130] should_failslab+0xa8/0x100
[ 608.789958][ T8130] __kmalloc_cache_node_noprof+0x78/0x340
[ 608.789982][ T8130] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 608.790007][ T8130] sbitmap_queue_init_node+0x1dc/0x4d0
[ 608.790030][ T8130] blk_mq_init_tags+0x11e/0x270
[ 608.790059][ T8130] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 608.790097][ T8130] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 608.790126][ T8130] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 608.790154][ T8130] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 608.790175][ T8130] ? __kasan_slab_free+0x5b/0x80
[ 608.790194][ T8130] ? kfree+0x195/0x550
[ 608.790234][ T8130] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 608.790269][ T8130] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 608.790294][ T8130] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 608.790343][ T8130] ? nbd_start_device+0x174/0xb20
[ 608.790373][ T8130] nbd_start_device+0x17f/0xb20
[ 608.790402][ T8130] ? nbd_ioctl+0x131/0xec0
[ 608.790429][ T8130] nbd_ioctl+0x637/0xec0
[ 608.790459][ T8130] ? __pfx_nbd_ioctl+0x10/0x10
[ 608.790479][ T8130] ? __asan_memset+0x22/0x50
[ 608.790498][ T8130] ? smack_file_ioctl+0x24d/0x340
[ 608.790520][ T8130] ? __pfx_smack_file_ioctl+0x10/0x10
[ 608.790542][ T8130] ? __pfx_nbd_ioctl+0x10/0x10
[ 608.790570][ T8130] blkdev_ioctl+0x5a8/0x6d0
[ 608.790593][ T8130] ? __pfx_blkdev_ioctl+0x10/0x10
[ 608.790610][ T8130] ? __fget_files+0x2a/0x420
[ 608.790638][ T8130] ? bpf_lsm_file_ioctl+0x9/0x20
[ 608.790658][ T8130] ? __pfx_blkdev_ioctl+0x10/0x10
[ 608.790678][ T8130] __se_sys_ioctl+0xff/0x170
[ 608.790701][ T8130] do_syscall_64+0xfa/0x3b0
[ 608.790717][ T8130] ? lockdep_hardirqs_on+0x9c/0x150
[ 608.790740][ T8130] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.790758][ T8130] ? clear_bhb_loop+0x60/0xb0
[ 608.790780][ T8130] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.790796][ T8130] RIP: 0033:0x7ff3a7c24569
[ 608.790813][ T8130] 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
[ 608.790828][ T8130] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 608.790853][ T8130] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 608.790867][ T8130] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 608.790878][ T8130] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 608.790891][ T8130] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 608.790903][ T8130] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 608.790933][ T8130]
[ 608.957500][ T8130] block nbd0: shutting down sockets
[ 609.149169][ T8132] FAULT_INJECTION: forcing a failure.
[ 609.149169][ T8132] name failslab, interval 1, probability 0, space 0, times 0
[ 609.149203][ T8132] CPU: 0 UID: 0 PID: 8132 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 609.149225][ T8132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 609.149237][ T8132] Call Trace:
[ 609.149245][ T8132]
[ 609.149252][ T8132] dump_stack_lvl+0x189/0x250
[ 609.149283][ T8132] ? __pfx____ratelimit+0x10/0x10
[ 609.149309][ T8132] ? __pfx_dump_stack_lvl+0x10/0x10
[ 609.149334][ T8132] ? __pfx__printk+0x10/0x10
[ 609.149359][ T8132] ? __pfx___might_resched+0x10/0x10
[ 609.149379][ T8132] ? fs_reclaim_acquire+0x7d/0x100
[ 609.149401][ T8132] should_fail_ex+0x46c/0x600
[ 609.149446][ T8132] should_failslab+0xa8/0x100
[ 609.149472][ T8132] __kmalloc_cache_node_noprof+0x78/0x340
[ 609.149495][ T8132] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 609.149520][ T8132] sbitmap_queue_init_node+0x1dc/0x4d0
[ 609.149542][ T8132] blk_mq_init_tags+0x11e/0x270
[ 609.149571][ T8132] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 609.149609][ T8132] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 609.149637][ T8132] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 609.149664][ T8132] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 609.149688][ T8132] ? __kasan_slab_free+0x5b/0x80
[ 609.149708][ T8132] ? kfree+0x195/0x550
[ 609.149745][ T8132] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 609.149782][ T8132] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 609.149813][ T8132] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 609.149861][ T8132] ? nbd_start_device+0x174/0xb20
[ 609.149892][ T8132] nbd_start_device+0x17f/0xb20
[ 609.149920][ T8132] ? nbd_ioctl+0x131/0xec0
[ 609.149947][ T8132] nbd_ioctl+0x637/0xec0
[ 609.149977][ T8132] ? __pfx_nbd_ioctl+0x10/0x10
[ 609.149998][ T8132] ? __asan_memset+0x22/0x50
[ 609.150017][ T8132] ? smack_file_ioctl+0x24d/0x340
[ 609.150040][ T8132] ? __pfx_smack_file_ioctl+0x10/0x10
[ 609.150061][ T8132] ? __pfx_nbd_ioctl+0x10/0x10
[ 609.150101][ T8132] blkdev_ioctl+0x5a8/0x6d0
[ 609.150125][ T8132] ? __pfx_blkdev_ioctl+0x10/0x10
[ 609.150141][ T8132] ? __fget_files+0x2a/0x420
[ 609.150169][ T8132] ? bpf_lsm_file_ioctl+0x9/0x20
[ 609.150189][ T8132] ? __pfx_blkdev_ioctl+0x10/0x10
[ 609.150209][ T8132] __se_sys_ioctl+0xff/0x170
[ 609.150233][ T8132] do_syscall_64+0xfa/0x3b0
[ 609.150248][ T8132] ? lockdep_hardirqs_on+0x9c/0x150
[ 609.150273][ T8132] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.150291][ T8132] ? clear_bhb_loop+0x60/0xb0
[ 609.150313][ T8132] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.150330][ T8132] RIP: 0033:0x7ff3a7c24569
[ 609.150346][ T8132] 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
[ 609.150361][ T8132] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 609.150381][ T8132] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 609.150395][ T8132] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 609.150406][ T8132] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 609.150419][ T8132] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 609.150431][ T8132] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 609.150461][ T8132]
[ 609.316557][ T8132] block nbd0: shutting down sockets
[ 609.508416][ T8135] FAULT_INJECTION: forcing a failure.
[ 609.508416][ T8135] name failslab, interval 1, probability 0, space 0, times 0
[ 609.508557][ T8135] CPU: 0 UID: 0 PID: 8135 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 609.508580][ T8135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 609.508603][ T8135] Call Trace:
[ 609.508611][ T8135]
[ 609.508619][ T8135] dump_stack_lvl+0x189/0x250
[ 609.508649][ T8135] ? __pfx____ratelimit+0x10/0x10
[ 609.508675][ T8135] ? __pfx_dump_stack_lvl+0x10/0x10
[ 609.508700][ T8135] ? __pfx__printk+0x10/0x10
[ 609.508726][ T8135] ? __pfx___might_resched+0x10/0x10
[ 609.508745][ T8135] ? fs_reclaim_acquire+0x7d/0x100
[ 609.508767][ T8135] should_fail_ex+0x46c/0x600
[ 609.508798][ T8135] should_failslab+0xa8/0x100
[ 609.508824][ T8135] __kmalloc_cache_node_noprof+0x78/0x340
[ 609.508847][ T8135] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 609.508870][ T8135] sbitmap_queue_init_node+0x1dc/0x4d0
[ 609.508894][ T8135] blk_mq_init_tags+0x11e/0x270
[ 609.508923][ T8135] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 609.508960][ T8135] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 609.508989][ T8135] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 609.509017][ T8135] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 609.509038][ T8135] ? __kasan_slab_free+0x5b/0x80
[ 609.509058][ T8135] ? kfree+0x195/0x550
[ 609.509096][ T8135] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 609.509133][ T8135] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 609.509158][ T8135] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 609.509206][ T8135] ? nbd_start_device+0x174/0xb20
[ 609.509236][ T8135] nbd_start_device+0x17f/0xb20
[ 609.509265][ T8135] ? nbd_ioctl+0x131/0xec0
[ 609.509291][ T8135] nbd_ioctl+0x637/0xec0
[ 609.509322][ T8135] ? __pfx_nbd_ioctl+0x10/0x10
[ 609.509343][ T8135] ? __asan_memset+0x22/0x50
[ 609.509362][ T8135] ? smack_file_ioctl+0x24d/0x340
[ 609.509399][ T8135] ? __pfx_smack_file_ioctl+0x10/0x10
[ 609.509421][ T8135] ? __pfx_nbd_ioctl+0x10/0x10
[ 609.509446][ T8135] blkdev_ioctl+0x5a8/0x6d0
[ 609.509469][ T8135] ? __pfx_blkdev_ioctl+0x10/0x10
[ 609.509485][ T8135] ? __fget_files+0x2a/0x420
[ 609.509513][ T8135] ? bpf_lsm_file_ioctl+0x9/0x20
[ 609.509533][ T8135] ? __pfx_blkdev_ioctl+0x10/0x10
[ 609.509553][ T8135] __se_sys_ioctl+0xff/0x170
[ 609.509577][ T8135] do_syscall_64+0xfa/0x3b0
[ 609.509601][ T8135] ? lockdep_hardirqs_on+0x9c/0x150
[ 609.509625][ T8135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.509643][ T8135] ? clear_bhb_loop+0x60/0xb0
[ 609.509665][ T8135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.509682][ T8135] RIP: 0033:0x7ff3a7c24569
[ 609.509698][ T8135] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 609.509714][ T8135] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 609.509734][ T8135] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 609.509748][ T8135] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 609.509760][ T8135] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 609.509773][ T8135] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 609.509785][ T8135] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 609.509814][ T8135]
[ 609.674829][ T8135] block nbd0: shutting down sockets
[ 609.857864][ T8138] FAULT_INJECTION: forcing a failure.
[ 609.857864][ T8138] name failslab, interval 1, probability 0, space 0, times 0
[ 609.857886][ T8138] CPU: 0 UID: 0 PID: 8138 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 609.857899][ T8138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 609.857906][ T8138] Call Trace:
[ 609.857911][ T8138]
[ 609.857916][ T8138] dump_stack_lvl+0x189/0x250
[ 609.857934][ T8138] ? __pfx____ratelimit+0x10/0x10
[ 609.857950][ T8138] ? __pfx_dump_stack_lvl+0x10/0x10
[ 609.857963][ T8138] ? __pfx__printk+0x10/0x10
[ 609.857978][ T8138] ? __pfx___might_resched+0x10/0x10
[ 609.857989][ T8138] ? fs_reclaim_acquire+0x7d/0x100
[ 609.858001][ T8138] should_fail_ex+0x46c/0x600
[ 609.858018][ T8138] should_failslab+0xa8/0x100
[ 609.858033][ T8138] __kmalloc_cache_node_noprof+0x78/0x340
[ 609.858046][ T8138] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 609.858060][ T8138] sbitmap_queue_init_node+0x1dc/0x4d0
[ 609.858073][ T8138] blk_mq_init_tags+0x11e/0x270
[ 609.858089][ T8138] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 609.858110][ T8138] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 609.858126][ T8138] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 609.858142][ T8138] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 609.858153][ T8138] ? __kasan_slab_free+0x5b/0x80
[ 609.858164][ T8138] ? kfree+0x195/0x550
[ 609.858185][ T8138] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 609.858205][ T8138] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 609.858219][ T8138] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 609.858244][ T8138] ? nbd_start_device+0x174/0xb20
[ 609.858261][ T8138] nbd_start_device+0x17f/0xb20
[ 609.858277][ T8138] ? nbd_ioctl+0x131/0xec0
[ 609.858291][ T8138] nbd_ioctl+0x637/0xec0
[ 609.858308][ T8138] ? __pfx_nbd_ioctl+0x10/0x10
[ 609.858320][ T8138] ? __asan_memset+0x22/0x50
[ 609.858330][ T8138] ? smack_file_ioctl+0x24d/0x340
[ 609.858342][ T8138] ? __pfx_smack_file_ioctl+0x10/0x10
[ 609.858354][ T8138] ? __pfx_nbd_ioctl+0x10/0x10
[ 609.858368][ T8138] blkdev_ioctl+0x5a8/0x6d0
[ 609.858381][ T8138] ? __pfx_blkdev_ioctl+0x10/0x10
[ 609.858390][ T8138] ? __fget_files+0x2a/0x420
[ 609.858405][ T8138] ? bpf_lsm_file_ioctl+0x9/0x20
[ 609.858416][ T8138] ? __pfx_blkdev_ioctl+0x10/0x10
[ 609.858427][ T8138] __se_sys_ioctl+0xff/0x170
[ 609.858440][ T8138] do_syscall_64+0xfa/0x3b0
[ 609.858448][ T8138] ? lockdep_hardirqs_on+0x9c/0x150
[ 609.858461][ T8138] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.858471][ T8138] ? clear_bhb_loop+0x60/0xb0
[ 609.858483][ T8138] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.858493][ T8138] RIP: 0033:0x7ff3a7c24569
[ 609.858502][ T8138] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 609.858511][ T8138] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 609.858523][ T8138] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 609.858531][ T8138] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 609.858537][ T8138] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 609.858544][ T8138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 609.858551][ T8138] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 609.858568][ T8138]
[ 610.027363][ T8138] block nbd0: shutting down sockets
[ 610.207987][ T8141] FAULT_INJECTION: forcing a failure.
[ 610.207987][ T8141] name failslab, interval 1, probability 0, space 0, times 0
[ 610.208009][ T8141] CPU: 1 UID: 0 PID: 8141 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 610.208022][ T8141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 610.208029][ T8141] Call Trace:
[ 610.208034][ T8141]
[ 610.208039][ T8141] dump_stack_lvl+0x189/0x250
[ 610.208058][ T8141] ? __pfx____ratelimit+0x10/0x10
[ 610.208074][ T8141] ? __pfx_dump_stack_lvl+0x10/0x10
[ 610.208088][ T8141] ? __pfx__printk+0x10/0x10
[ 610.208102][ T8141] ? __pfx___might_resched+0x10/0x10
[ 610.208113][ T8141] ? fs_reclaim_acquire+0x7d/0x100
[ 610.208126][ T8141] should_fail_ex+0x46c/0x600
[ 610.208143][ T8141] should_failslab+0xa8/0x100
[ 610.208158][ T8141] __kmalloc_cache_node_noprof+0x78/0x340
[ 610.208171][ T8141] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 610.208185][ T8141] sbitmap_queue_init_node+0x1dc/0x4d0
[ 610.208197][ T8141] blk_mq_init_tags+0x11e/0x270
[ 610.208216][ T8141] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 610.208249][ T8141] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 610.208276][ T8141] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 610.208303][ T8141] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 610.208323][ T8141] ? __kasan_slab_free+0x5b/0x80
[ 610.208341][ T8141] ? kfree+0x195/0x550
[ 610.208378][ T8141] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 610.208406][ T8141] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 610.208421][ T8141] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 610.208447][ T8141] ? nbd_start_device+0x174/0xb20
[ 610.208464][ T8141] nbd_start_device+0x17f/0xb20
[ 610.208480][ T8141] ? nbd_ioctl+0x131/0xec0
[ 610.208495][ T8141] nbd_ioctl+0x637/0xec0
[ 610.208514][ T8141] ? __pfx_nbd_ioctl+0x10/0x10
[ 610.208526][ T8141] ? __asan_memset+0x22/0x50
[ 610.208536][ T8141] ? smack_file_ioctl+0x24d/0x340
[ 610.208549][ T8141] ? __pfx_smack_file_ioctl+0x10/0x10
[ 610.208562][ T8141] ? __pfx_nbd_ioctl+0x10/0x10
[ 610.208576][ T8141] blkdev_ioctl+0x5a8/0x6d0
[ 610.208588][ T8141] ? __pfx_blkdev_ioctl+0x10/0x10
[ 610.208597][ T8141] ? __fget_files+0x2a/0x420
[ 610.208613][ T8141] ? bpf_lsm_file_ioctl+0x9/0x20
[ 610.208624][ T8141] ? __pfx_blkdev_ioctl+0x10/0x10
[ 610.208636][ T8141] __se_sys_ioctl+0xff/0x170
[ 610.208649][ T8141] do_syscall_64+0xfa/0x3b0
[ 610.208658][ T8141] ? lockdep_hardirqs_on+0x9c/0x150
[ 610.208671][ T8141] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.208681][ T8141] ? clear_bhb_loop+0x60/0xb0
[ 610.208694][ T8141] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.208704][ T8141] RIP: 0033:0x7ff3a7c24569
[ 610.208714][ T8141] 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
[ 610.208723][ T8141] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 610.208735][ T8141] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 610.208743][ T8141] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 610.208756][ T8141] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 610.208763][ T8141] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 610.208770][ T8141] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 610.208787][ T8141]
[ 610.376098][ T8141] block nbd0: shutting down sockets
[ 610.606958][ T8144] block nbd0: Device being setup by another task
[ 610.607997][ T8143] FAULT_INJECTION: forcing a failure.
[ 610.607997][ T8143] name failslab, interval 1, probability 0, space 0, times 0
[ 610.608019][ T8143] CPU: 1 UID: 0 PID: 8143 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 610.608031][ T8143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 610.608039][ T8143] Call Trace:
[ 610.608043][ T8143]
[ 610.608048][ T8143] dump_stack_lvl+0x189/0x250
[ 610.608068][ T8143] ? __pfx____ratelimit+0x10/0x10
[ 610.608084][ T8143] ? __pfx_dump_stack_lvl+0x10/0x10
[ 610.608098][ T8143] ? __pfx__printk+0x10/0x10
[ 610.608112][ T8143] ? __pfx___might_resched+0x10/0x10
[ 610.608124][ T8143] ? fs_reclaim_acquire+0x7d/0x100
[ 610.608137][ T8143] should_fail_ex+0x46c/0x600
[ 610.608154][ T8143] ? __d_alloc+0x36/0x7b0
[ 610.608163][ T8143] should_failslab+0xa8/0x100
[ 610.608178][ T8143] ? __d_alloc+0x36/0x7b0
[ 610.608186][ T8143] kmem_cache_alloc_lru_noprof+0x73/0x310
[ 610.608203][ T8143] __d_alloc+0x36/0x7b0
[ 610.608215][ T8143] d_alloc_parallel+0xe5/0x1600
[ 610.608231][ T8143] ? rtlock_slowlock_locked+0xd8/0x4010
[ 610.608250][ T8143] ? __pfx_d_alloc_parallel+0x10/0x10
[ 610.608263][ T8143] ? __rt_spin_lock_init+0x3e/0x50
[ 610.608276][ T8143] ? __init_waitqueue_head+0xae/0x160
[ 610.608291][ T8143] __lookup_slow+0x11c/0x3d0
[ 610.608303][ T8143] ? __pfx___lookup_slow+0x10/0x10
[ 610.608321][ T8143] ? lookup_noperm_common+0x241/0x430
[ 610.608334][ T8143] ? d_lookup+0xaa/0xc0
[ 610.608344][ T8143] ? lookup_noperm+0x111/0x240
[ 610.608356][ T8143] simple_start_creating+0xfd/0x1e0
[ 610.608371][ T8143] ? __pfx_simple_start_creating+0x10/0x10
[ 610.608385][ T8143] ? mntput+0x65/0xc0
[ 610.608407][ T8143] start_creating+0x10f/0x180
[ 610.608423][ T8143] __debugfs_create_file+0x79/0x4f0
[ 610.608439][ T8143] debugfs_create_file_unsafe+0x3a/0x50
[ 610.608454][ T8143] nbd_start_device+0x3b8/0xb20
[ 610.608471][ T8143] ? nbd_ioctl+0x131/0xec0
[ 610.608486][ T8143] nbd_ioctl+0x637/0xec0
[ 610.608502][ T8143] ? __pfx_nbd_ioctl+0x10/0x10
[ 610.608514][ T8143] ? __asan_memset+0x22/0x50
[ 610.608524][ T8143] ? smack_file_ioctl+0x24d/0x340
[ 610.608537][ T8143] ? __pfx_smack_file_ioctl+0x10/0x10
[ 610.608549][ T8143] ? __pfx_nbd_ioctl+0x10/0x10
[ 610.608563][ T8143] blkdev_ioctl+0x5a8/0x6d0
[ 610.608578][ T8143] ? __pfx_blkdev_ioctl+0x10/0x10
[ 610.608590][ T8143] ? __fget_files+0x2a/0x420
[ 610.608606][ T8143] ? bpf_lsm_file_ioctl+0x9/0x20
[ 610.608617][ T8143] ? __pfx_blkdev_ioctl+0x10/0x10
[ 610.608628][ T8143] __se_sys_ioctl+0xff/0x170
[ 610.608641][ T8143] do_syscall_64+0xfa/0x3b0
[ 610.608653][ T8143] ? lockdep_hardirqs_on+0x9c/0x150
[ 610.608673][ T8143] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.608684][ T8143] ? clear_bhb_loop+0x60/0xb0
[ 610.608697][ T8143] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.608706][ T8143] RIP: 0033:0x7ff3a7c24569
[ 610.608716][ T8143] 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
[ 610.608725][ T8143] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 610.608740][ T8143] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 610.608753][ T8143] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 610.608763][ T8143] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 610.608775][ T8143] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 610.608786][ T8143] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 610.608815][ T8143]
[ 610.778280][ T8143] block nbd0: shutting down sockets
[ 610.938291][ T8146] FAULT_INJECTION: forcing a failure.
[ 610.938291][ T8146] name failslab, interval 1, probability 0, space 0, times 0
[ 610.938326][ T8146] CPU: 1 UID: 0 PID: 8146 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 610.938349][ T8146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 610.938360][ T8146] Call Trace:
[ 610.938367][ T8146]
[ 610.938375][ T8146] dump_stack_lvl+0x189/0x250
[ 610.938405][ T8146] ? __pfx____ratelimit+0x10/0x10
[ 610.938431][ T8146] ? __pfx_dump_stack_lvl+0x10/0x10
[ 610.938456][ T8146] ? __pfx__printk+0x10/0x10
[ 610.938482][ T8146] ? __pfx___might_resched+0x10/0x10
[ 610.938501][ T8146] ? fs_reclaim_acquire+0x7d/0x100
[ 610.938524][ T8146] should_fail_ex+0x46c/0x600
[ 610.938556][ T8146] should_failslab+0xa8/0x100
[ 610.938582][ T8146] __kmalloc_cache_node_noprof+0x78/0x340
[ 610.938604][ T8146] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 610.938638][ T8146] sbitmap_queue_init_node+0x1dc/0x4d0
[ 610.938661][ T8146] blk_mq_init_tags+0x11e/0x270
[ 610.938690][ T8146] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 610.938728][ T8146] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 610.938757][ T8146] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 610.938784][ T8146] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 610.938802][ T8146] ? __kasan_slab_free+0x5b/0x80
[ 610.938820][ T8146] ? kfree+0x195/0x550
[ 610.938856][ T8146] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 610.938893][ T8146] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 610.938919][ T8146] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 610.938966][ T8146] ? nbd_start_device+0x174/0xb20
[ 610.939004][ T8146] nbd_start_device+0x17f/0xb20
[ 610.939033][ T8146] ? nbd_ioctl+0x131/0xec0
[ 610.939060][ T8146] nbd_ioctl+0x637/0xec0
[ 610.939090][ T8146] ? __pfx_nbd_ioctl+0x10/0x10
[ 610.939112][ T8146] ? __asan_memset+0x22/0x50
[ 610.939131][ T8146] ? smack_file_ioctl+0x24d/0x340
[ 610.939153][ T8146] ? __pfx_smack_file_ioctl+0x10/0x10
[ 610.939175][ T8146] ? __pfx_nbd_ioctl+0x10/0x10
[ 610.939201][ T8146] blkdev_ioctl+0x5a8/0x6d0
[ 610.939224][ T8146] ? __pfx_blkdev_ioctl+0x10/0x10
[ 610.939241][ T8146] ? __fget_files+0x2a/0x420
[ 610.939269][ T8146] ? bpf_lsm_file_ioctl+0x9/0x20
[ 610.939289][ T8146] ? __pfx_blkdev_ioctl+0x10/0x10
[ 610.939309][ T8146] __se_sys_ioctl+0xff/0x170
[ 610.939332][ T8146] do_syscall_64+0xfa/0x3b0
[ 610.939347][ T8146] ? lockdep_hardirqs_on+0x9c/0x150
[ 610.939371][ T8146] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.939388][ T8146] ? clear_bhb_loop+0x60/0xb0
[ 610.939410][ T8146] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.939427][ T8146] RIP: 0033:0x7ff3a7c24569
[ 610.939443][ T8146] 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
[ 610.939459][ T8146] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 610.939479][ T8146] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 610.939493][ T8146] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 610.939504][ T8146] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 610.939517][ T8146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 610.939529][ T8146] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 610.939559][ T8146]
[ 611.104872][ T8146] block nbd0: shutting down sockets
[ 611.258715][ T8148] FAULT_INJECTION: forcing a failure.
[ 611.258715][ T8148] name failslab, interval 1, probability 0, space 0, times 0
[ 611.258749][ T8148] CPU: 1 UID: 0 PID: 8148 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 611.258772][ T8148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 611.258790][ T8148] Call Trace:
[ 611.258798][ T8148]
[ 611.258806][ T8148] dump_stack_lvl+0x189/0x250
[ 611.258840][ T8148] ? __pfx____ratelimit+0x10/0x10
[ 611.258867][ T8148] ? __pfx_dump_stack_lvl+0x10/0x10
[ 611.258892][ T8148] ? __pfx__printk+0x10/0x10
[ 611.258917][ T8148] ? __pfx___might_resched+0x10/0x10
[ 611.258936][ T8148] ? fs_reclaim_acquire+0x7d/0x100
[ 611.258958][ T8148] should_fail_ex+0x46c/0x600
[ 611.258988][ T8148] should_failslab+0xa8/0x100
[ 611.259015][ T8148] __kmalloc_cache_node_noprof+0x78/0x340
[ 611.259038][ T8148] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 611.259062][ T8148] sbitmap_queue_init_node+0x1dc/0x4d0
[ 611.259085][ T8148] blk_mq_init_tags+0x11e/0x270
[ 611.259113][ T8148] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 611.259151][ T8148] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 611.259180][ T8148] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 611.259208][ T8148] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 611.259229][ T8148] ? __kasan_slab_free+0x5b/0x80
[ 611.259248][ T8148] ? kfree+0x195/0x550
[ 611.259288][ T8148] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 611.259324][ T8148] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 611.259350][ T8148] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 611.259405][ T8148] ? nbd_start_device+0x174/0xb20
[ 611.259434][ T8148] nbd_start_device+0x17f/0xb20
[ 611.259463][ T8148] ? nbd_ioctl+0x131/0xec0
[ 611.259490][ T8148] nbd_ioctl+0x637/0xec0
[ 611.259520][ T8148] ? __pfx_nbd_ioctl+0x10/0x10
[ 611.259541][ T8148] ? __asan_memset+0x22/0x50
[ 611.259560][ T8148] ? smack_file_ioctl+0x24d/0x340
[ 611.259582][ T8148] ? __pfx_smack_file_ioctl+0x10/0x10
[ 611.259604][ T8148] ? __pfx_nbd_ioctl+0x10/0x10
[ 611.259629][ T8148] blkdev_ioctl+0x5a8/0x6d0
[ 611.259651][ T8148] ? __pfx_blkdev_ioctl+0x10/0x10
[ 611.259668][ T8148] ? __fget_files+0x2a/0x420
[ 611.259695][ T8148] ? bpf_lsm_file_ioctl+0x9/0x20
[ 611.259715][ T8148] ? __pfx_blkdev_ioctl+0x10/0x10
[ 611.259735][ T8148] __se_sys_ioctl+0xff/0x170
[ 611.259758][ T8148] do_syscall_64+0xfa/0x3b0
[ 611.259774][ T8148] ? lockdep_hardirqs_on+0x9c/0x150
[ 611.259798][ T8148] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.259816][ T8148] ? clear_bhb_loop+0x60/0xb0
[ 611.259838][ T8148] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.259854][ T8148] RIP: 0033:0x7ff3a7c24569
[ 611.259871][ T8148] 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
[ 611.259886][ T8148] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 611.259907][ T8148] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 611.259921][ T8148] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 611.259932][ T8148] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 611.259945][ T8148] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 611.259956][ T8148] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 611.259987][ T8148]
[ 611.424639][ T8148] block nbd0: shutting down sockets
[ 611.578411][ T8150] FAULT_INJECTION: forcing a failure.
[ 611.578411][ T8150] name failslab, interval 1, probability 0, space 0, times 0
[ 611.578445][ T8150] CPU: 1 UID: 0 PID: 8150 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 611.578467][ T8150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 611.578479][ T8150] Call Trace:
[ 611.578486][ T8150]
[ 611.578495][ T8150] dump_stack_lvl+0x189/0x250
[ 611.578526][ T8150] ? __pfx____ratelimit+0x10/0x10
[ 611.578563][ T8150] ? __pfx_dump_stack_lvl+0x10/0x10
[ 611.578587][ T8150] ? __pfx__printk+0x10/0x10
[ 611.578614][ T8150] ? __pfx___might_resched+0x10/0x10
[ 611.578632][ T8150] ? fs_reclaim_acquire+0x7d/0x100
[ 611.578655][ T8150] should_fail_ex+0x46c/0x600
[ 611.578685][ T8150] should_failslab+0xa8/0x100
[ 611.578711][ T8150] __kmalloc_cache_node_noprof+0x78/0x340
[ 611.578734][ T8150] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 611.578759][ T8150] sbitmap_queue_init_node+0x1dc/0x4d0
[ 611.578783][ T8150] blk_mq_init_tags+0x11e/0x270
[ 611.578812][ T8150] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 611.578850][ T8150] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 611.578879][ T8150] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 611.578907][ T8150] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 611.578927][ T8150] ? __kasan_slab_free+0x5b/0x80
[ 611.578947][ T8150] ? kfree+0x195/0x550
[ 611.578986][ T8150] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 611.579023][ T8150] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 611.579047][ T8150] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 611.579096][ T8150] ? nbd_start_device+0x174/0xb20
[ 611.579127][ T8150] nbd_start_device+0x17f/0xb20
[ 611.579153][ T8150] ? nbd_ioctl+0x131/0xec0
[ 611.579180][ T8150] nbd_ioctl+0x637/0xec0
[ 611.579210][ T8150] ? __pfx_nbd_ioctl+0x10/0x10
[ 611.579232][ T8150] ? __asan_memset+0x22/0x50
[ 611.579249][ T8150] ? smack_file_ioctl+0x24d/0x340
[ 611.579270][ T8150] ? __pfx_smack_file_ioctl+0x10/0x10
[ 611.579292][ T8150] ? __pfx_nbd_ioctl+0x10/0x10
[ 611.579317][ T8150] blkdev_ioctl+0x5a8/0x6d0
[ 611.579340][ T8150] ? __pfx_blkdev_ioctl+0x10/0x10
[ 611.579357][ T8150] ? __fget_files+0x2a/0x420
[ 611.579385][ T8150] ? bpf_lsm_file_ioctl+0x9/0x20
[ 611.579405][ T8150] ? __pfx_blkdev_ioctl+0x10/0x10
[ 611.579425][ T8150] __se_sys_ioctl+0xff/0x170
[ 611.579448][ T8150] do_syscall_64+0xfa/0x3b0
[ 611.579464][ T8150] ? lockdep_hardirqs_on+0x9c/0x150
[ 611.579488][ T8150] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.579506][ T8150] ? clear_bhb_loop+0x60/0xb0
[ 611.579528][ T8150] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.579545][ T8150] RIP: 0033:0x7ff3a7c24569
[ 611.579568][ T8150] 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
[ 611.579583][ T8150] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 611.579604][ T8150] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 611.579618][ T8150] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 611.579629][ T8150] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 611.579642][ T8150] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 611.579654][ T8150] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 611.579684][ T8150]
[ 611.745390][ T8150] block nbd0: shutting down sockets
[ 611.902024][ T8152] FAULT_INJECTION: forcing a failure.
[ 611.902024][ T8152] name failslab, interval 1, probability 0, space 0, times 0
[ 611.902058][ T8152] CPU: 1 UID: 0 PID: 8152 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 611.902081][ T8152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 611.902092][ T8152] Call Trace:
[ 611.902100][ T8152]
[ 611.902108][ T8152] dump_stack_lvl+0x189/0x250
[ 611.902138][ T8152] ? __pfx____ratelimit+0x10/0x10
[ 611.902164][ T8152] ? __pfx_dump_stack_lvl+0x10/0x10
[ 611.902188][ T8152] ? __pfx__printk+0x10/0x10
[ 611.902215][ T8152] ? __pfx___might_resched+0x10/0x10
[ 611.902235][ T8152] ? fs_reclaim_acquire+0x7d/0x100
[ 611.902257][ T8152] should_fail_ex+0x46c/0x600
[ 611.902287][ T8152] should_failslab+0xa8/0x100
[ 611.902313][ T8152] __kmalloc_cache_node_noprof+0x78/0x340
[ 611.902343][ T8152] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 611.902377][ T8152] sbitmap_queue_init_node+0x1dc/0x4d0
[ 611.902400][ T8152] blk_mq_init_tags+0x11e/0x270
[ 611.902429][ T8152] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 611.902467][ T8152] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 611.902496][ T8152] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 611.902524][ T8152] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 611.902545][ T8152] ? __kasan_slab_free+0x5b/0x80
[ 611.902564][ T8152] ? kfree+0x195/0x550
[ 611.902603][ T8152] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 611.902646][ T8152] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 611.902671][ T8152] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 611.902721][ T8152] ? nbd_start_device+0x174/0xb20
[ 611.902751][ T8152] nbd_start_device+0x17f/0xb20
[ 611.902780][ T8152] ? nbd_ioctl+0x131/0xec0
[ 611.902807][ T8152] nbd_ioctl+0x637/0xec0
[ 611.902837][ T8152] ? __pfx_nbd_ioctl+0x10/0x10
[ 611.902859][ T8152] ? __asan_memset+0x22/0x50
[ 611.902877][ T8152] ? smack_file_ioctl+0x24d/0x340
[ 611.902901][ T8152] ? __pfx_smack_file_ioctl+0x10/0x10
[ 611.902922][ T8152] ? __pfx_nbd_ioctl+0x10/0x10
[ 611.902948][ T8152] blkdev_ioctl+0x5a8/0x6d0
[ 611.902970][ T8152] ? __pfx_blkdev_ioctl+0x10/0x10
[ 611.902988][ T8152] ? __fget_files+0x2a/0x420
[ 611.903015][ T8152] ? bpf_lsm_file_ioctl+0x9/0x20
[ 611.903035][ T8152] ? __pfx_blkdev_ioctl+0x10/0x10
[ 611.903055][ T8152] __se_sys_ioctl+0xff/0x170
[ 611.903077][ T8152] do_syscall_64+0xfa/0x3b0
[ 611.903093][ T8152] ? lockdep_hardirqs_on+0x9c/0x150
[ 611.903117][ T8152] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.903136][ T8152] ? clear_bhb_loop+0x60/0xb0
[ 611.903157][ T8152] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.903175][ T8152] RIP: 0033:0x7ff3a7c24569
[ 611.903192][ T8152] 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
[ 611.903207][ T8152] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 611.903227][ T8152] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 611.903241][ T8152] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 611.903252][ T8152] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 611.903265][ T8152] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 611.903276][ T8152] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 611.903306][ T8152]
[ 612.067355][ T8152] block nbd0: shutting down sockets
[ 612.238272][ T8154] FAULT_INJECTION: forcing a failure.
[ 612.238272][ T8154] name failslab, interval 1, probability 0, space 0, times 0
[ 612.238305][ T8154] CPU: 1 UID: 0 PID: 8154 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 612.238396][ T8154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 612.238408][ T8154] Call Trace:
[ 612.238415][ T8154]
[ 612.238424][ T8154] dump_stack_lvl+0x189/0x250
[ 612.238454][ T8154] ? __pfx____ratelimit+0x10/0x10
[ 612.238479][ T8154] ? __pfx_dump_stack_lvl+0x10/0x10
[ 612.238504][ T8154] ? __pfx__printk+0x10/0x10
[ 612.238530][ T8154] ? __pfx___might_resched+0x10/0x10
[ 612.238549][ T8154] ? fs_reclaim_acquire+0x7d/0x100
[ 612.238570][ T8154] should_fail_ex+0x46c/0x600
[ 612.238596][ T8154] should_failslab+0xa8/0x100
[ 612.238621][ T8154] __kmalloc_cache_node_noprof+0x78/0x340
[ 612.238643][ T8154] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 612.238668][ T8154] sbitmap_queue_init_node+0x1dc/0x4d0
[ 612.238691][ T8154] blk_mq_init_tags+0x11e/0x270
[ 612.238721][ T8154] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 612.238758][ T8154] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 612.238787][ T8154] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 612.238815][ T8154] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 612.238835][ T8154] ? __kasan_slab_free+0x5b/0x80
[ 612.238855][ T8154] ? kfree+0x195/0x550
[ 612.238894][ T8154] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 612.238930][ T8154] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 612.238955][ T8154] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 612.239004][ T8154] ? nbd_start_device+0x174/0xb20
[ 612.239034][ T8154] nbd_start_device+0x17f/0xb20
[ 612.239063][ T8154] ? nbd_ioctl+0x131/0xec0
[ 612.239090][ T8154] nbd_ioctl+0x637/0xec0
[ 612.239120][ T8154] ? __pfx_nbd_ioctl+0x10/0x10
[ 612.239141][ T8154] ? __asan_memset+0x22/0x50
[ 612.239159][ T8154] ? smack_file_ioctl+0x24d/0x340
[ 612.239181][ T8154] ? __pfx_smack_file_ioctl+0x10/0x10
[ 612.239202][ T8154] ? __pfx_nbd_ioctl+0x10/0x10
[ 612.239228][ T8154] blkdev_ioctl+0x5a8/0x6d0
[ 612.239250][ T8154] ? __pfx_blkdev_ioctl+0x10/0x10
[ 612.239267][ T8154] ? __fget_files+0x2a/0x420
[ 612.239295][ T8154] ? bpf_lsm_file_ioctl+0x9/0x20
[ 612.239316][ T8154] ? __pfx_blkdev_ioctl+0x10/0x10
[ 612.239342][ T8154] __se_sys_ioctl+0xff/0x170
[ 612.239364][ T8154] do_syscall_64+0xfa/0x3b0
[ 612.239380][ T8154] ? lockdep_hardirqs_on+0x9c/0x150
[ 612.239405][ T8154] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.239423][ T8154] ? clear_bhb_loop+0x60/0xb0
[ 612.239444][ T8154] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.239461][ T8154] RIP: 0033:0x7ff3a7c24569
[ 612.239478][ T8154] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 612.239493][ T8154] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 612.239514][ T8154] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 612.239528][ T8154] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 612.239539][ T8154] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 612.239551][ T8154] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 612.239563][ T8154] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 612.239593][ T8154]
[ 612.406914][ T8154] block nbd0: shutting down sockets
[ 612.578302][ T8156] FAULT_INJECTION: forcing a failure.
[ 612.578302][ T8156] name failslab, interval 1, probability 0, space 0, times 0
[ 612.578335][ T8156] CPU: 1 UID: 0 PID: 8156 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 612.578357][ T8156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 612.578368][ T8156] Call Trace:
[ 612.578376][ T8156]
[ 612.578383][ T8156] dump_stack_lvl+0x189/0x250
[ 612.578414][ T8156] ? __pfx____ratelimit+0x10/0x10
[ 612.578440][ T8156] ? __pfx_dump_stack_lvl+0x10/0x10
[ 612.578464][ T8156] ? __pfx__printk+0x10/0x10
[ 612.578490][ T8156] ? __pfx___might_resched+0x10/0x10
[ 612.578508][ T8156] ? fs_reclaim_acquire+0x7d/0x100
[ 612.578530][ T8156] should_fail_ex+0x46c/0x600
[ 612.578569][ T8156] should_failslab+0xa8/0x100
[ 612.578595][ T8156] __kvmalloc_node_noprof+0x15a/0x550
[ 612.578618][ T8156] ? sbitmap_init_node+0x2c9/0x630
[ 612.578643][ T8156] sbitmap_init_node+0x2c9/0x630
[ 612.578671][ T8156] sbitmap_queue_init_node+0x3e/0x4d0
[ 612.578695][ T8156] blk_mq_init_tags+0x11e/0x270
[ 612.578725][ T8156] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 612.578763][ T8156] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 612.578792][ T8156] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 612.578821][ T8156] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 612.578841][ T8156] ? __kasan_slab_free+0x5b/0x80
[ 612.578861][ T8156] ? kfree+0x195/0x550
[ 612.578899][ T8156] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 612.578936][ T8156] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 612.578961][ T8156] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 612.579009][ T8156] ? nbd_start_device+0x174/0xb20
[ 612.579040][ T8156] nbd_start_device+0x17f/0xb20
[ 612.579073][ T8156] ? nbd_ioctl+0x131/0xec0
[ 612.579100][ T8156] nbd_ioctl+0x637/0xec0
[ 612.579130][ T8156] ? __pfx_nbd_ioctl+0x10/0x10
[ 612.579152][ T8156] ? __asan_memset+0x22/0x50
[ 612.579170][ T8156] ? smack_file_ioctl+0x24d/0x340
[ 612.579193][ T8156] ? __pfx_smack_file_ioctl+0x10/0x10
[ 612.579215][ T8156] ? __pfx_nbd_ioctl+0x10/0x10
[ 612.579240][ T8156] blkdev_ioctl+0x5a8/0x6d0
[ 612.579263][ T8156] ? __pfx_blkdev_ioctl+0x10/0x10
[ 612.579280][ T8156] ? __fget_files+0x2a/0x420
[ 612.579307][ T8156] ? bpf_lsm_file_ioctl+0x9/0x20
[ 612.579327][ T8156] ? __pfx_blkdev_ioctl+0x10/0x10
[ 612.579347][ T8156] __se_sys_ioctl+0xff/0x170
[ 612.579371][ T8156] do_syscall_64+0xfa/0x3b0
[ 612.579386][ T8156] ? lockdep_hardirqs_on+0x9c/0x150
[ 612.579410][ T8156] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.579427][ T8156] ? clear_bhb_loop+0x60/0xb0
[ 612.579450][ T8156] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.579467][ T8156] RIP: 0033:0x7ff3a7c24569
[ 612.579483][ T8156] 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
[ 612.579499][ T8156] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 612.579519][ T8156] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 612.579539][ T8156] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 612.579550][ T8156] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 612.579563][ T8156] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 612.579576][ T8156] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 612.579606][ T8156]
[ 612.745453][ T8156] block nbd0: shutting down sockets
[ 612.920162][ T8158] FAULT_INJECTION: forcing a failure.
[ 612.920162][ T8158] name failslab, interval 1, probability 0, space 0, times 0
[ 612.920197][ T8158] CPU: 1 UID: 0 PID: 8158 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 612.920220][ T8158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 612.920231][ T8158] Call Trace:
[ 612.920239][ T8158]
[ 612.920247][ T8158] dump_stack_lvl+0x189/0x250
[ 612.920277][ T8158] ? __pfx____ratelimit+0x10/0x10
[ 612.920304][ T8158] ? __pfx_dump_stack_lvl+0x10/0x10
[ 612.920329][ T8158] ? __pfx__printk+0x10/0x10
[ 612.920355][ T8158] ? __pfx___might_resched+0x10/0x10
[ 612.920373][ T8158] ? fs_reclaim_acquire+0x7d/0x100
[ 612.920396][ T8158] should_fail_ex+0x46c/0x600
[ 612.920434][ T8158] should_failslab+0xa8/0x100
[ 612.920460][ T8158] __kvmalloc_node_noprof+0x15a/0x550
[ 612.920483][ T8158] ? sbitmap_init_node+0x2c9/0x630
[ 612.920509][ T8158] sbitmap_init_node+0x2c9/0x630
[ 612.920537][ T8158] sbitmap_queue_init_node+0x3e/0x4d0
[ 612.920560][ T8158] blk_mq_init_tags+0x11e/0x270
[ 612.920589][ T8158] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 612.920627][ T8158] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 612.920656][ T8158] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 612.920685][ T8158] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 612.920710][ T8158] ? __kasan_slab_free+0x5b/0x80
[ 612.920730][ T8158] ? kfree+0x195/0x550
[ 612.920767][ T8158] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 612.920803][ T8158] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 612.920828][ T8158] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 612.920876][ T8158] ? nbd_start_device+0x174/0xb20
[ 612.920907][ T8158] nbd_start_device+0x17f/0xb20
[ 612.920935][ T8158] ? nbd_ioctl+0x131/0xec0
[ 612.920962][ T8158] nbd_ioctl+0x637/0xec0
[ 612.920992][ T8158] ? __pfx_nbd_ioctl+0x10/0x10
[ 612.921014][ T8158] ? __asan_memset+0x22/0x50
[ 612.921032][ T8158] ? smack_file_ioctl+0x24d/0x340
[ 612.921055][ T8158] ? __pfx_smack_file_ioctl+0x10/0x10
[ 612.921077][ T8158] ? __pfx_nbd_ioctl+0x10/0x10
[ 612.921102][ T8158] blkdev_ioctl+0x5a8/0x6d0
[ 612.921124][ T8158] ? __pfx_blkdev_ioctl+0x10/0x10
[ 612.921141][ T8158] ? __fget_files+0x2a/0x420
[ 612.921169][ T8158] ? bpf_lsm_file_ioctl+0x9/0x20
[ 612.921189][ T8158] ? __pfx_blkdev_ioctl+0x10/0x10
[ 612.921209][ T8158] __se_sys_ioctl+0xff/0x170
[ 612.921232][ T8158] do_syscall_64+0xfa/0x3b0
[ 612.921248][ T8158] ? lockdep_hardirqs_on+0x9c/0x150
[ 612.921271][ T8158] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.921289][ T8158] ? clear_bhb_loop+0x60/0xb0
[ 612.921311][ T8158] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.921328][ T8158] RIP: 0033:0x7ff3a7c24569
[ 612.921344][ T8158] 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
[ 612.921360][ T8158] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 612.921381][ T8158] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 612.921394][ T8158] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 612.921406][ T8158] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 612.921419][ T8158] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 612.921435][ T8158] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 612.921465][ T8158]
[ 613.086107][ T8158] block nbd0: shutting down sockets
[ 613.238298][ T8160] FAULT_INJECTION: forcing a failure.
[ 613.238298][ T8160] name failslab, interval 1, probability 0, space 0, times 0
[ 613.238332][ T8160] CPU: 1 UID: 0 PID: 8160 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 613.238354][ T8160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 613.238366][ T8160] Call Trace:
[ 613.238374][ T8160]
[ 613.238382][ T8160] dump_stack_lvl+0x189/0x250
[ 613.238412][ T8160] ? __pfx____ratelimit+0x10/0x10
[ 613.238448][ T8160] ? __pfx_dump_stack_lvl+0x10/0x10
[ 613.238473][ T8160] ? __pfx__printk+0x10/0x10
[ 613.238499][ T8160] ? __pfx___might_resched+0x10/0x10
[ 613.238518][ T8160] ? fs_reclaim_acquire+0x7d/0x100
[ 613.238540][ T8160] should_fail_ex+0x46c/0x600
[ 613.238571][ T8160] should_failslab+0xa8/0x100
[ 613.238596][ T8160] __kmalloc_cache_node_noprof+0x78/0x340
[ 613.238620][ T8160] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 613.238645][ T8160] sbitmap_queue_init_node+0x1dc/0x4d0
[ 613.238668][ T8160] blk_mq_init_tags+0x11e/0x270
[ 613.238698][ T8160] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 613.238736][ T8160] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 613.238765][ T8160] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 613.238793][ T8160] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 613.238814][ T8160] ? __kasan_slab_free+0x5b/0x80
[ 613.238833][ T8160] ? kfree+0x195/0x550
[ 613.238871][ T8160] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 613.238908][ T8160] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 613.238934][ T8160] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 613.238982][ T8160] ? nbd_start_device+0x174/0xb20
[ 613.239012][ T8160] nbd_start_device+0x17f/0xb20
[ 613.239041][ T8160] ? nbd_ioctl+0x131/0xec0
[ 613.239068][ T8160] nbd_ioctl+0x637/0xec0
[ 613.239097][ T8160] ? __pfx_nbd_ioctl+0x10/0x10
[ 613.239119][ T8160] ? __asan_memset+0x22/0x50
[ 613.239137][ T8160] ? smack_file_ioctl+0x24d/0x340
[ 613.239160][ T8160] ? __pfx_smack_file_ioctl+0x10/0x10
[ 613.239181][ T8160] ? __pfx_nbd_ioctl+0x10/0x10
[ 613.239206][ T8160] blkdev_ioctl+0x5a8/0x6d0
[ 613.239228][ T8160] ? __pfx_blkdev_ioctl+0x10/0x10
[ 613.239246][ T8160] ? __fget_files+0x2a/0x420
[ 613.239284][ T8160] ? bpf_lsm_file_ioctl+0x9/0x20
[ 613.239304][ T8160] ? __pfx_blkdev_ioctl+0x10/0x10
[ 613.239324][ T8160] __se_sys_ioctl+0xff/0x170
[ 613.239347][ T8160] do_syscall_64+0xfa/0x3b0
[ 613.239363][ T8160] ? lockdep_hardirqs_on+0x9c/0x150
[ 613.239387][ T8160] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.239405][ T8160] ? clear_bhb_loop+0x60/0xb0
[ 613.239426][ T8160] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.239448][ T8160] RIP: 0033:0x7ff3a7c24569
[ 613.239465][ T8160] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 613.239480][ T8160] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 613.239500][ T8160] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 613.239513][ T8160] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 613.239525][ T8160] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 613.239538][ T8160] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 613.239550][ T8160] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 613.239580][ T8160]
[ 613.407254][ T8160] block nbd0: shutting down sockets
[ 613.578322][ T8162] FAULT_INJECTION: forcing a failure.
[ 613.578322][ T8162] name failslab, interval 1, probability 0, space 0, times 0
[ 613.578355][ T8162] CPU: 1 UID: 0 PID: 8162 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 613.578387][ T8162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 613.578399][ T8162] Call Trace:
[ 613.578407][ T8162]
[ 613.578415][ T8162] dump_stack_lvl+0x189/0x250
[ 613.578446][ T8162] ? __pfx____ratelimit+0x10/0x10
[ 613.578472][ T8162] ? __pfx_dump_stack_lvl+0x10/0x10
[ 613.578497][ T8162] ? __pfx__printk+0x10/0x10
[ 613.578523][ T8162] ? __pfx___might_resched+0x10/0x10
[ 613.578542][ T8162] ? fs_reclaim_acquire+0x7d/0x100
[ 613.578564][ T8162] should_fail_ex+0x46c/0x600
[ 613.578594][ T8162] should_failslab+0xa8/0x100
[ 613.578620][ T8162] __kmalloc_cache_node_noprof+0x78/0x340
[ 613.578644][ T8162] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 613.578668][ T8162] sbitmap_queue_init_node+0x1dc/0x4d0
[ 613.578691][ T8162] blk_mq_init_tags+0x11e/0x270
[ 613.578720][ T8162] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 613.578759][ T8162] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 613.578787][ T8162] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 613.578815][ T8162] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 613.578836][ T8162] ? __kasan_slab_free+0x5b/0x80
[ 613.578856][ T8162] ? kfree+0x195/0x550
[ 613.578894][ T8162] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 613.578934][ T8162] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 613.578959][ T8162] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 613.579007][ T8162] ? nbd_start_device+0x174/0xb20
[ 613.579037][ T8162] nbd_start_device+0x17f/0xb20
[ 613.579066][ T8162] ? nbd_ioctl+0x131/0xec0
[ 613.579093][ T8162] nbd_ioctl+0x637/0xec0
[ 613.579123][ T8162] ? __pfx_nbd_ioctl+0x10/0x10
[ 613.579144][ T8162] ? __asan_memset+0x22/0x50
[ 613.579162][ T8162] ? smack_file_ioctl+0x24d/0x340
[ 613.579186][ T8162] ? __pfx_smack_file_ioctl+0x10/0x10
[ 613.579207][ T8162] ? __pfx_nbd_ioctl+0x10/0x10
[ 613.579233][ T8162] blkdev_ioctl+0x5a8/0x6d0
[ 613.579256][ T8162] ? __pfx_blkdev_ioctl+0x10/0x10
[ 613.579273][ T8162] ? __fget_files+0x2a/0x420
[ 613.579300][ T8162] ? bpf_lsm_file_ioctl+0x9/0x20
[ 613.579320][ T8162] ? __pfx_blkdev_ioctl+0x10/0x10
[ 613.579340][ T8162] __se_sys_ioctl+0xff/0x170
[ 613.579363][ T8162] do_syscall_64+0xfa/0x3b0
[ 613.579384][ T8162] ? lockdep_hardirqs_on+0x9c/0x150
[ 613.579408][ T8162] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.579426][ T8162] ? clear_bhb_loop+0x60/0xb0
[ 613.579448][ T8162] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.579465][ T8162] RIP: 0033:0x7ff3a7c24569
[ 613.579482][ T8162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 613.579497][ T8162] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 613.579517][ T8162] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 613.579531][ T8162] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 613.579543][ T8162] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 613.579555][ T8162] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 613.579568][ T8162] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 613.579597][ T8162]
[ 613.745518][ T8162] block nbd0: shutting down sockets
[ 613.908287][ T8164] FAULT_INJECTION: forcing a failure.
[ 613.908287][ T8164] name failslab, interval 1, probability 0, space 0, times 0
[ 613.908329][ T8164] CPU: 1 UID: 0 PID: 8164 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 613.908351][ T8164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 613.908363][ T8164] Call Trace:
[ 613.908370][ T8164]
[ 613.908378][ T8164] dump_stack_lvl+0x189/0x250
[ 613.908407][ T8164] ? __pfx____ratelimit+0x10/0x10
[ 613.908433][ T8164] ? __pfx_dump_stack_lvl+0x10/0x10
[ 613.908457][ T8164] ? __pfx__printk+0x10/0x10
[ 613.908482][ T8164] ? __pfx___might_resched+0x10/0x10
[ 613.908502][ T8164] ? fs_reclaim_acquire+0x7d/0x100
[ 613.908524][ T8164] should_fail_ex+0x46c/0x600
[ 613.908554][ T8164] should_failslab+0xa8/0x100
[ 613.908579][ T8164] __kmalloc_cache_node_noprof+0x78/0x340
[ 613.908603][ T8164] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 613.908628][ T8164] sbitmap_queue_init_node+0x1dc/0x4d0
[ 613.908650][ T8164] blk_mq_init_tags+0x11e/0x270
[ 613.908679][ T8164] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 613.908717][ T8164] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 613.908746][ T8164] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 613.908775][ T8164] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 613.908794][ T8164] ? __kasan_slab_free+0x5b/0x80
[ 613.908813][ T8164] ? kfree+0x195/0x550
[ 613.908852][ T8164] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 613.908889][ T8164] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 613.908930][ T8164] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 613.908978][ T8164] ? nbd_start_device+0x174/0xb20
[ 613.909008][ T8164] nbd_start_device+0x17f/0xb20
[ 613.909036][ T8164] ? nbd_ioctl+0x131/0xec0
[ 613.909061][ T8164] nbd_ioctl+0x637/0xec0
[ 613.909091][ T8164] ? __pfx_nbd_ioctl+0x10/0x10
[ 613.909112][ T8164] ? __asan_memset+0x22/0x50
[ 613.909131][ T8164] ? smack_file_ioctl+0x24d/0x340
[ 613.909153][ T8164] ? __pfx_smack_file_ioctl+0x10/0x10
[ 613.909175][ T8164] ? __pfx_nbd_ioctl+0x10/0x10
[ 613.909200][ T8164] blkdev_ioctl+0x5a8/0x6d0
[ 613.909223][ T8164] ? __pfx_blkdev_ioctl+0x10/0x10
[ 613.909240][ T8164] ? __fget_files+0x2a/0x420
[ 613.909268][ T8164] ? bpf_lsm_file_ioctl+0x9/0x20
[ 613.909288][ T8164] ? __pfx_blkdev_ioctl+0x10/0x10
[ 613.909313][ T8164] __se_sys_ioctl+0xff/0x170
[ 613.909336][ T8164] do_syscall_64+0xfa/0x3b0
[ 613.909352][ T8164] ? lockdep_hardirqs_on+0x9c/0x150
[ 613.909376][ T8164] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.909394][ T8164] ? clear_bhb_loop+0x60/0xb0
[ 613.909415][ T8164] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.909432][ T8164] RIP: 0033:0x7ff3a7c24569
[ 613.909448][ T8164] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 613.909464][ T8164] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 613.909483][ T8164] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569
[ 613.909497][ T8164] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 613.909509][ T8164] RBP: 00007ff3a7cab400 R08: 00007ff3a7bd9fa6 R09: 0000000000003431
[ 613.909521][ T8164] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3a7c78194
[ 613.909533][ T8164] R13: 00007ff3a7bda210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 613.909563][ T8164]
[ 614.075987][ T8164] block nbd0: shutting down sockets
[ 614.248462][ T8166] FAULT_INJECTION: forcing a failure.
[ 614.248462][ T8166] name failslab, interval 1, probability 0, space 0, times 0
[ 614.248496][ T8166] CPU: 1 UID: 0 PID: 8166 Comm: syz-executor216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 614.248518][ T8166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 614.248530][ T8166] Call Trace:
[ 614.248537][ T8166]
[ 614.248545][ T8166] dump_stack_lvl+0x189/0x250
[ 614.248576][ T8166] ? __pfx____ratelimit+0x10/0x10
[ 614.248603][ T8166] ? __pfx_dump_stack_lvl+0x10/0x10
[ 614.248628][ T8166] ? __pfx__printk+0x10/0x10
[ 614.248654][ T8166] ? __pfx___might_resched+0x10/0x10
[ 614.248673][ T8166] ? fs_reclaim_acquire+0x7d/0x100
[ 614.248695][ T8166] should_fail_ex+0x46c/0x600
[ 614.248725][ T8166] should_failslab+0xa8/0x100
[ 614.248750][ T8166] __kmalloc_cache_node_noprof+0x78/0x340
[ 614.248773][ T8166] ? sbitmap_queue_init_node+0x1dc/0x4d0
[ 614.248803][ T8166] sbitmap_queue_init_node+0x1dc/0x4d0
[ 614.248825][ T8166] blk_mq_init_tags+0x11e/0x270
[ 614.248854][ T8166] blk_mq_alloc_map_and_rqs+0xbd/0x9f0
[ 614.248907][ T8166] blk_mq_alloc_sched_tags+0x183/0x3d0
[ 614.248937][ T8166] blk_mq_alloc_sched_tags_batch+0xf0/0x600
[ 614.248965][ T8166] blk_mq_update_nr_hw_queues+0x2e1/0x1ab0
[ 614.248986][ T8166] ? __kasan_slab_free+0x5b/0x80
[ 614.249005][ T8166] ? kfree+0x195/0x550
[ 614.249039][ T8166] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 614.249069][ T8166] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 614.249089][ T8166] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 614.249136][ T8166] ? nbd_start_device+0x174/0xb20
[ 614.249166][ T8166] nbd_start_device+0x17f/0xb20
[ 614.249194][ T8166] ? nbd_ioctl+0x131/0xec0
[ 614.249222][ T8166] nbd_ioctl+0x637/0xec0
[ 614.249252][ T8166] ? __pfx_nbd_ioctl+0x10/0x10
[ 614.249280][ T8166] ? __asan_memset+0x22/0x50
[ 614.249299][ T8166] ? smack_file_ioctl+0x24d/0x340
[ 614.249322][ T8166] ? __pfx_smack_file_ioctl+0x10/0x10
[ 614.249344][ T8166] ? __pfx_nbd_ioctl+0x10/0x10
[ 614.249369][ T8166] blkdev_ioctl+0x5a8/0x6d0
[ 614.249392][ T8166] ? __pfx_blkdev_ioctl+0x10/0x10
[ 614.249409][ T8166] ? __fget_files+0x2a/0x420
[ 614.249437][ T8166] ? bpf_lsm_file_ioctl+0x9/0x20
[ 614.249457][ T8166] ? __pfx_blkdev_ioctl+0x10/0x10
[ 614.249477][ T8166] __se_sys_ioctl+0xff/0x170
[ 614.249500][ T8166] do_syscall_64+0xfa/0x3b0
[ 614.249516][ T8166] ? lockdep_hardirqs_on+0x9c/0x150
[ 614.249540][ T8166] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.249557][ T8166] ? clear_bhb_loop+0x60/0xb0
[ 614.249580][ T8166] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.249596][ T8166] RIP: 0033:0x7ff3a7c24569
[ 614.249612][ T8166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 614.249628][ T8166] RSP: 002b:00007ff3a7bda208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 614.249648][ T8166] RAX: ffffffffffffffda RBX: 00007ff3a7cab408 RCX: 00007ff3a7c24569