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
[ 522.251978][ T7829] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 522.251989][ T7829] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 522.251996][ T7829] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 522.252003][ T7829] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 522.252010][ T7829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 522.252016][ T7829] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 522.252032][ T7829]
[ 522.494077][ T7829] debugfs: out of free dentries, can not create file 'timeout'
[ 522.602095][ T7829] block nbd0: shutting down sockets
[ 522.712616][ T7832] FAULT_INJECTION: forcing a failure.
[ 522.712616][ T7832] name failslab, interval 1, probability 0, space 0, times 0
[ 522.725304][ T7832] CPU: 1 UID: 0 PID: 7832 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 522.725335][ T7832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 522.725346][ T7832] Call Trace:
[ 522.725353][ T7832]
[ 522.725360][ T7832] dump_stack_lvl+0x16c/0x1f0
[ 522.725386][ T7832] should_fail_ex+0x512/0x640
[ 522.725401][ T7832] ? fs_reclaim_acquire+0xae/0x150
[ 522.725423][ T7832] should_failslab+0xc2/0x120
[ 522.725443][ T7832] __kmalloc_cache_node_noprof+0x83/0x830
[ 522.725463][ T7832] ? __raw_spin_lock_init+0x3a/0x110
[ 522.725484][ T7832] ? sbitmap_queue_init_node+0x291/0x4a0
[ 522.725507][ T7832] ? sbitmap_queue_init_node+0x291/0x4a0
[ 522.725525][ T7832] sbitmap_queue_init_node+0x291/0x4a0
[ 522.725546][ T7832] blk_mq_init_tags+0x17f/0x320
[ 522.725572][ T7832] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 522.725597][ T7832] blk_mq_alloc_sched_tags+0x1de/0x350
[ 522.725616][ T7832] blk_mq_alloc_sched_res+0x8e/0x250
[ 522.725633][ T7832] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 522.725652][ T7832] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 522.725676][ T7832] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 522.725707][ T7832] nbd_start_device+0x1b0/0xd70
[ 522.725726][ T7832] ? bpf_lsm_capable+0x9/0x10
[ 522.725747][ T7832] nbd_ioctl+0x219/0xda0
[ 522.725764][ T7832] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 522.725782][ T7832] ? __pfx_nbd_ioctl+0x10/0x10
[ 522.725796][ T7832] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 522.725826][ T7832] ? __pfx_nbd_ioctl+0x10/0x10
[ 522.725843][ T7832] blkdev_ioctl+0x5b0/0x6e0
[ 522.725858][ T7832] ? __pfx_blkdev_ioctl+0x10/0x10
[ 522.725871][ T7832] ? selinux_file_ioctl+0x180/0x270
[ 522.725890][ T7832] ? selinux_file_ioctl+0xb4/0x270
[ 522.725910][ T7832] ? __pfx_blkdev_ioctl+0x10/0x10
[ 522.725926][ T7832] __x64_sys_ioctl+0x18e/0x210
[ 522.725945][ T7832] do_syscall_64+0xcd/0xf80
[ 522.725967][ T7832] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 522.725983][ T7832] RIP: 0033:0x7fc8ec499569
[ 522.725995][ T7832] 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
[ 522.726010][ T7832] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 522.726025][ T7832] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 522.726036][ T7832] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 522.726046][ T7832] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 522.726056][ T7832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 522.726065][ T7832] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 522.726087][ T7832]
[ 523.098612][ T7832] block nbd0: shutting down sockets
[ 523.362243][ T7834] block nbd0: shutting down sockets
[ 523.462618][ T7836] FAULT_INJECTION: forcing a failure.
[ 523.462618][ T7836] name failslab, interval 1, probability 0, space 0, times 0
[ 523.475274][ T7836] CPU: 1 UID: 0 PID: 7836 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 523.475299][ T7836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 523.475310][ T7836] Call Trace:
[ 523.475316][ T7836]
[ 523.475322][ T7836] dump_stack_lvl+0x16c/0x1f0
[ 523.475342][ T7836] should_fail_ex+0x512/0x640
[ 523.475354][ T7836] ? fs_reclaim_acquire+0xae/0x150
[ 523.475370][ T7836] should_failslab+0xc2/0x120
[ 523.475386][ T7836] __kmalloc_cache_node_noprof+0x83/0x830
[ 523.475408][ T7836] ? lockdep_init_map_type+0x5c/0x270
[ 523.475429][ T7836] ? sbitmap_queue_init_node+0x291/0x4a0
[ 523.475456][ T7836] ? sbitmap_queue_init_node+0x291/0x4a0
[ 523.475469][ T7836] sbitmap_queue_init_node+0x291/0x4a0
[ 523.475490][ T7836] blk_mq_init_tags+0x1b4/0x320
[ 523.475505][ T7836] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 523.475523][ T7836] blk_mq_alloc_sched_tags+0x1de/0x350
[ 523.475536][ T7836] blk_mq_alloc_sched_res+0x8e/0x250
[ 523.475548][ T7836] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 523.475562][ T7836] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 523.475579][ T7836] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 523.475600][ T7836] nbd_start_device+0x1b0/0xd70
[ 523.475615][ T7836] ? bpf_lsm_capable+0x9/0x10
[ 523.475630][ T7836] nbd_ioctl+0x219/0xda0
[ 523.475643][ T7836] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 523.475656][ T7836] ? __pfx_nbd_ioctl+0x10/0x10
[ 523.475667][ T7836] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 523.475693][ T7836] ? __pfx_nbd_ioctl+0x10/0x10
[ 523.475708][ T7836] blkdev_ioctl+0x5b0/0x6e0
[ 523.475719][ T7836] ? __pfx_blkdev_ioctl+0x10/0x10
[ 523.475729][ T7836] ? selinux_file_ioctl+0x180/0x270
[ 523.475743][ T7836] ? selinux_file_ioctl+0xb4/0x270
[ 523.475758][ T7836] ? __pfx_blkdev_ioctl+0x10/0x10
[ 523.475769][ T7836] __x64_sys_ioctl+0x18e/0x210
[ 523.475783][ T7836] do_syscall_64+0xcd/0xf80
[ 523.475800][ T7836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 523.475811][ T7836] RIP: 0033:0x7fc8ec499569
[ 523.475821][ T7836] 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
[ 523.475831][ T7836] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 523.475843][ T7836] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 523.475850][ T7836] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 523.475856][ T7836] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 523.475863][ T7836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 523.475870][ T7836] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 523.475885][ T7836]
[ 523.781917][ T7836] block nbd0: shutting down sockets
[ 524.021762][ T7838] block nbd0: shutting down sockets
[ 524.131782][ T7841] block nbd0: Device being setup by another task
[ 524.138865][ T7840] FAULT_INJECTION: forcing a failure.
[ 524.138865][ T7840] name failslab, interval 1, probability 0, space 0, times 0
[ 524.151502][ T7840] CPU: 0 UID: 0 PID: 7840 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 524.151519][ T7840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 524.151526][ T7840] Call Trace:
[ 524.151532][ T7840]
[ 524.151537][ T7840] dump_stack_lvl+0x16c/0x1f0
[ 524.151557][ T7840] should_fail_ex+0x512/0x640
[ 524.151568][ T7840] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 524.151583][ T7840] should_failslab+0xc2/0x120
[ 524.151598][ T7840] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 524.151610][ T7840] ? __d_lookup+0x25c/0x4a0
[ 524.151623][ T7840] ? __d_alloc+0x35/0xa80
[ 524.151641][ T7840] ? __d_alloc+0x35/0xa80
[ 524.151654][ T7840] __d_alloc+0x35/0xa80
[ 524.151672][ T7840] d_alloc+0x4a/0x1e0
[ 524.151689][ T7840] lookup_one_qstr_excl+0x175/0x250
[ 524.151708][ T7840] start_dirop+0x59/0xb0
[ 524.151723][ T7840] simple_start_creating+0xf4/0x100
[ 524.151739][ T7840] ? __pfx_simple_start_creating+0x10/0x10
[ 524.151753][ T7840] ? do_raw_spin_unlock+0x172/0x230
[ 524.151769][ T7840] ? simple_pin_fs+0xa3/0x190
[ 524.151783][ T7840] debugfs_start_creating.part.0+0x86/0x1c0
[ 524.151797][ T7840] __debugfs_create_file+0xb3/0x530
[ 524.151811][ T7840] debugfs_create_file_unsafe+0x3c/0x50
[ 524.151825][ T7840] debugfs_create_u32+0x70/0xa0
[ 524.151837][ T7840] nbd_start_device+0x485/0xd70
[ 524.151852][ T7840] ? bpf_lsm_capable+0x9/0x10
[ 524.151868][ T7840] nbd_ioctl+0x219/0xda0
[ 524.151880][ T7840] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 524.151893][ T7840] ? __pfx_nbd_ioctl+0x10/0x10
[ 524.151904][ T7840] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 524.151926][ T7840] ? __pfx_nbd_ioctl+0x10/0x10
[ 524.151938][ T7840] blkdev_ioctl+0x5b0/0x6e0
[ 524.151949][ T7840] ? __pfx_blkdev_ioctl+0x10/0x10
[ 524.151959][ T7840] ? selinux_file_ioctl+0x180/0x270
[ 524.151973][ T7840] ? selinux_file_ioctl+0xb4/0x270
[ 524.151988][ T7840] ? __pfx_blkdev_ioctl+0x10/0x10
[ 524.151999][ T7840] __x64_sys_ioctl+0x18e/0x210
[ 524.152013][ T7840] do_syscall_64+0xcd/0xf80
[ 524.152031][ T7840] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 524.152042][ T7840] RIP: 0033:0x7fc8ec499569
[ 524.152053][ T7840] 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
[ 524.152064][ T7840] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 524.152075][ T7840] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 524.152082][ T7840] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 524.152089][ T7840] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 524.152096][ T7840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 524.152102][ T7840] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 524.152118][ T7840]
[ 524.482177][ T7840] block nbd0: shutting down sockets
[ 524.752255][ T7843] block nbd0: shutting down sockets
[ 525.032696][ T7845] block nbd0: shutting down sockets
[ 525.151809][ T7848] block nbd0: Device being setup by another task
[ 525.158996][ T7847] FAULT_INJECTION: forcing a failure.
[ 525.158996][ T7847] name failslab, interval 1, probability 0, space 0, times 0
[ 525.171713][ T7847] CPU: 0 UID: 0 PID: 7847 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 525.171735][ T7847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 525.171745][ T7847] Call Trace:
[ 525.171752][ T7847]
[ 525.171760][ T7847] dump_stack_lvl+0x16c/0x1f0
[ 525.171786][ T7847] should_fail_ex+0x512/0x640
[ 525.171797][ T7847] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 525.171812][ T7847] should_failslab+0xc2/0x120
[ 525.171827][ T7847] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 525.171839][ T7847] ? __d_lookup+0x25c/0x4a0
[ 525.171852][ T7847] ? __d_alloc+0x35/0xa80
[ 525.171864][ T7847] ? __d_alloc+0x35/0xa80
[ 525.171872][ T7847] __d_alloc+0x35/0xa80
[ 525.171883][ T7847] d_alloc+0x4a/0x1e0
[ 525.171894][ T7847] lookup_one_qstr_excl+0x175/0x250
[ 525.171908][ T7847] start_dirop+0x59/0xb0
[ 525.171923][ T7847] simple_start_creating+0xf4/0x100
[ 525.171939][ T7847] ? __pfx_simple_start_creating+0x10/0x10
[ 525.171953][ T7847] ? do_raw_spin_unlock+0x172/0x230
[ 525.171970][ T7847] ? simple_pin_fs+0xa3/0x190
[ 525.171984][ T7847] debugfs_start_creating.part.0+0x86/0x1c0
[ 525.171997][ T7847] __debugfs_create_file+0xb3/0x530
[ 525.172012][ T7847] debugfs_create_file_unsafe+0x3c/0x50
[ 525.172026][ T7847] debugfs_create_u32+0x70/0xa0
[ 525.172038][ T7847] nbd_start_device+0x485/0xd70
[ 525.172053][ T7847] ? bpf_lsm_capable+0x9/0x10
[ 525.172075][ T7847] nbd_ioctl+0x219/0xda0
[ 525.172088][ T7847] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 525.172101][ T7847] ? __pfx_nbd_ioctl+0x10/0x10
[ 525.172111][ T7847] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 525.172133][ T7847] ? __pfx_nbd_ioctl+0x10/0x10
[ 525.172145][ T7847] blkdev_ioctl+0x5b0/0x6e0
[ 525.172157][ T7847] ? __pfx_blkdev_ioctl+0x10/0x10
[ 525.172167][ T7847] ? selinux_file_ioctl+0x180/0x270
[ 525.172181][ T7847] ? selinux_file_ioctl+0xb4/0x270
[ 525.172196][ T7847] ? __pfx_blkdev_ioctl+0x10/0x10
[ 525.172208][ T7847] __x64_sys_ioctl+0x18e/0x210
[ 525.172221][ T7847] do_syscall_64+0xcd/0xf80
[ 525.172238][ T7847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 525.172249][ T7847] RIP: 0033:0x7fc8ec499569
[ 525.172259][ T7847] 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
[ 525.172269][ T7847] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 525.172280][ T7847] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 525.172288][ T7847] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 525.172294][ T7847] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 525.172301][ T7847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 525.172309][ T7847] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 525.172325][ T7847]
[ 525.565609][ T7847] block nbd0: shutting down sockets
[ 525.831327][ T7850] block nbd0: shutting down sockets
[ 525.951704][ T7853] block nbd0: Device being setup by another task
[ 525.958735][ T7852] FAULT_INJECTION: forcing a failure.
[ 525.958735][ T7852] name failslab, interval 1, probability 0, space 0, times 0
[ 525.971424][ T7852] CPU: 0 UID: 0 PID: 7852 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 525.971447][ T7852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 525.971458][ T7852] Call Trace:
[ 525.971464][ T7852]
[ 525.971470][ T7852] dump_stack_lvl+0x16c/0x1f0
[ 525.971501][ T7852] should_fail_ex+0x512/0x640
[ 525.971519][ T7852] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 525.971543][ T7852] should_failslab+0xc2/0x120
[ 525.971568][ T7852] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 525.971590][ T7852] ? alloc_inode+0x64/0x240
[ 525.971616][ T7852] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 525.971639][ T7852] ? alloc_inode+0x64/0x240
[ 525.971654][ T7852] alloc_inode+0x64/0x240
[ 525.971674][ T7852] new_inode+0x22/0x1c0
[ 525.971696][ T7852] __debugfs_create_file+0x105/0x530
[ 525.971722][ T7852] debugfs_create_file_unsafe+0x3c/0x50
[ 525.971747][ T7852] debugfs_create_u32+0x70/0xa0
[ 525.971767][ T7852] nbd_start_device+0x485/0xd70
[ 525.971790][ T7852] ? bpf_lsm_capable+0x9/0x10
[ 525.971816][ T7852] nbd_ioctl+0x219/0xda0
[ 525.971838][ T7852] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 525.971860][ T7852] ? __pfx_nbd_ioctl+0x10/0x10
[ 525.971879][ T7852] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 525.971917][ T7852] ? __pfx_nbd_ioctl+0x10/0x10
[ 525.971938][ T7852] blkdev_ioctl+0x5b0/0x6e0
[ 525.971959][ T7852] ? __pfx_blkdev_ioctl+0x10/0x10
[ 525.971987][ T7852] ? selinux_file_ioctl+0x180/0x270
[ 525.972007][ T7852] ? selinux_file_ioctl+0xb4/0x270
[ 525.972032][ T7852] ? __pfx_blkdev_ioctl+0x10/0x10
[ 525.972048][ T7852] __x64_sys_ioctl+0x18e/0x210
[ 525.972072][ T7852] do_syscall_64+0xcd/0xf80
[ 525.972099][ T7852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 525.972119][ T7852] RIP: 0033:0x7fc8ec499569
[ 525.972136][ T7852] 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
[ 525.972154][ T7852] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 525.972173][ T7852] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 525.972186][ T7852] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 525.972198][ T7852] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 525.972210][ T7852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 525.972222][ T7852] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 525.972250][ T7852]
[ 526.212897][ T7852] debugfs: out of free dentries, can not create file 'timeout'
[ 526.278396][ T7852] block nbd0: shutting down sockets
[ 526.573120][ T7855] block nbd0: shutting down sockets
[ 526.811817][ T7857] block nbd0: shutting down sockets
[ 527.062447][ T7859] block nbd0: shutting down sockets
[ 527.313294][ T7861] block nbd0: shutting down sockets
[ 527.572034][ T7863] block nbd0: shutting down sockets
[ 527.831911][ T7865] block nbd0: shutting down sockets
[ 528.091970][ T7867] block nbd0: shutting down sockets
[ 528.221800][ T7870] block nbd0: Device being setup by another task
[ 528.229449][ T7869] FAULT_INJECTION: forcing a failure.
[ 528.229449][ T7869] name failslab, interval 1, probability 0, space 0, times 0
[ 528.242076][ T7869] CPU: 1 UID: 0 PID: 7869 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 528.242100][ T7869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 528.242110][ T7869] Call Trace:
[ 528.242116][ T7869]
[ 528.242122][ T7869] dump_stack_lvl+0x16c/0x1f0
[ 528.242150][ T7869] should_fail_ex+0x512/0x640
[ 528.242165][ T7869] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 528.242188][ T7869] should_failslab+0xc2/0x120
[ 528.242213][ T7869] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 528.242233][ T7869] ? __d_lookup+0x25c/0x4a0
[ 528.242253][ T7869] ? __d_alloc+0x35/0xa80
[ 528.242274][ T7869] ? __d_alloc+0x35/0xa80
[ 528.242289][ T7869] __d_alloc+0x35/0xa80
[ 528.242311][ T7869] d_alloc+0x4a/0x1e0
[ 528.242330][ T7869] lookup_one_qstr_excl+0x175/0x250
[ 528.242354][ T7869] start_dirop+0x59/0xb0
[ 528.242379][ T7869] simple_start_creating+0xf4/0x100
[ 528.242404][ T7869] ? __pfx_simple_start_creating+0x10/0x10
[ 528.242427][ T7869] ? do_raw_spin_unlock+0x172/0x230
[ 528.242455][ T7869] ? simple_pin_fs+0xa3/0x190
[ 528.242479][ T7869] debugfs_start_creating.part.0+0x86/0x1c0
[ 528.242503][ T7869] __debugfs_create_file+0xb3/0x530
[ 528.242528][ T7869] debugfs_create_file_unsafe+0x3c/0x50
[ 528.242553][ T7869] debugfs_create_u32+0x70/0xa0
[ 528.242575][ T7869] nbd_start_device+0x485/0xd70
[ 528.242599][ T7869] ? bpf_lsm_capable+0x9/0x10
[ 528.242627][ T7869] nbd_ioctl+0x219/0xda0
[ 528.242647][ T7869] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 528.242667][ T7869] ? __pfx_nbd_ioctl+0x10/0x10
[ 528.242683][ T7869] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 528.242716][ T7869] ? __pfx_nbd_ioctl+0x10/0x10
[ 528.242735][ T7869] blkdev_ioctl+0x5b0/0x6e0
[ 528.242770][ T7869] ? __pfx_blkdev_ioctl+0x10/0x10
[ 528.242789][ T7869] ? selinux_file_ioctl+0x180/0x270
[ 528.242812][ T7869] ? selinux_file_ioctl+0xb4/0x270
[ 528.242839][ T7869] ? __pfx_blkdev_ioctl+0x10/0x10
[ 528.242860][ T7869] __x64_sys_ioctl+0x18e/0x210
[ 528.242884][ T7869] do_syscall_64+0xcd/0xf80
[ 528.242912][ T7869] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 528.242932][ T7869] RIP: 0033:0x7fc8ec499569
[ 528.242949][ T7869] 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
[ 528.242968][ T7869] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 528.242986][ T7869] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 528.243000][ T7869] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 528.243011][ T7869] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 528.243023][ T7869] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 528.243033][ T7869] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 528.243059][ T7869]
[ 528.551912][ T7869] block nbd0: shutting down sockets
[ 528.631875][ T7872] block nbd0: Device being setup by another task
[ 528.681691][ T7873] block nbd0: Device being setup by another task
[ 528.831698][ T7876] block nbd0: Device being setup by another task
[ 528.838760][ T7875] FAULT_INJECTION: forcing a failure.
[ 528.838760][ T7875] name failslab, interval 1, probability 0, space 0, times 0
[ 528.851412][ T7875] CPU: 0 UID: 0 PID: 7875 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 528.851435][ T7875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 528.851444][ T7875] Call Trace:
[ 528.851450][ T7875]
[ 528.851456][ T7875] dump_stack_lvl+0x16c/0x1f0
[ 528.851485][ T7875] should_fail_ex+0x512/0x640
[ 528.851500][ T7875] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 528.851523][ T7875] should_failslab+0xc2/0x120
[ 528.851548][ T7875] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 528.851569][ T7875] ? alloc_inode+0x64/0x240
[ 528.851594][ T7875] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 528.851614][ T7875] ? alloc_inode+0x64/0x240
[ 528.851636][ T7875] alloc_inode+0x64/0x240
[ 528.851654][ T7875] new_inode+0x22/0x1c0
[ 528.851675][ T7875] __debugfs_create_file+0x105/0x530
[ 528.851698][ T7875] debugfs_create_file_unsafe+0x3c/0x50
[ 528.851721][ T7875] debugfs_create_u32+0x70/0xa0
[ 528.851742][ T7875] nbd_start_device+0x485/0xd70
[ 528.851766][ T7875] ? bpf_lsm_capable+0x9/0x10
[ 528.851794][ T7875] nbd_ioctl+0x219/0xda0
[ 528.851816][ T7875] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 528.851838][ T7875] ? __pfx_nbd_ioctl+0x10/0x10
[ 528.851856][ T7875] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 528.851895][ T7875] ? __pfx_nbd_ioctl+0x10/0x10
[ 528.851917][ T7875] blkdev_ioctl+0x5b0/0x6e0
[ 528.851937][ T7875] ? __pfx_blkdev_ioctl+0x10/0x10
[ 528.851965][ T7875] ? selinux_file_ioctl+0x180/0x270
[ 528.851989][ T7875] ? selinux_file_ioctl+0xb4/0x270
[ 528.852015][ T7875] ? __pfx_blkdev_ioctl+0x10/0x10
[ 528.852036][ T7875] __x64_sys_ioctl+0x18e/0x210
[ 528.852060][ T7875] do_syscall_64+0xcd/0xf80
[ 528.852084][ T7875] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 528.852103][ T7875] RIP: 0033:0x7fc8ec499569
[ 528.852118][ T7875] 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
[ 528.852134][ T7875] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 528.852153][ T7875] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 528.852166][ T7875] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 528.852178][ T7875] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 528.852190][ T7875] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 528.852202][ T7875] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 528.852231][ T7875]
[ 529.092187][ T7875] debugfs: out of free dentries, can not create file 'timeout'
[ 529.131928][ T7875] block nbd0: shutting down sockets
[ 529.421446][ T7878] block nbd0: shutting down sockets
[ 529.692436][ T7881] block nbd0: shutting down sockets
[ 529.952394][ T7883] block nbd0: shutting down sockets
[ 530.211545][ T7885] block nbd0: shutting down sockets
[ 530.462257][ T7887] block nbd0: shutting down sockets
[ 530.711880][ T7889] block nbd0: shutting down sockets
[ 530.841702][ T7892] block nbd0: Device being setup by another task
[ 530.849150][ T7891] FAULT_INJECTION: forcing a failure.
[ 530.849150][ T7891] name failslab, interval 1, probability 0, space 0, times 0
[ 530.861945][ T7891] CPU: 0 UID: 0 PID: 7891 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 530.861971][ T7891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 530.861981][ T7891] Call Trace:
[ 530.861989][ T7891]
[ 530.861996][ T7891] dump_stack_lvl+0x16c/0x1f0
[ 530.862026][ T7891] should_fail_ex+0x512/0x640
[ 530.862044][ T7891] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 530.862066][ T7891] should_failslab+0xc2/0x120
[ 530.862090][ T7891] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 530.862110][ T7891] ? __d_lookup+0x25c/0x4a0
[ 530.862132][ T7891] ? __d_alloc+0x35/0xa80
[ 530.862154][ T7891] ? __d_alloc+0x35/0xa80
[ 530.862169][ T7891] __d_alloc+0x35/0xa80
[ 530.862190][ T7891] d_alloc+0x4a/0x1e0
[ 530.862209][ T7891] lookup_one_qstr_excl+0x175/0x250
[ 530.862233][ T7891] start_dirop+0x59/0xb0
[ 530.862256][ T7891] simple_start_creating+0xf4/0x100
[ 530.862282][ T7891] ? __pfx_simple_start_creating+0x10/0x10
[ 530.862305][ T7891] ? do_raw_spin_unlock+0x172/0x230
[ 530.862331][ T7891] ? simple_pin_fs+0xa3/0x190
[ 530.862355][ T7891] debugfs_start_creating.part.0+0x86/0x1c0
[ 530.862378][ T7891] __debugfs_create_file+0xb3/0x530
[ 530.862403][ T7891] debugfs_create_file_unsafe+0x3c/0x50
[ 530.862427][ T7891] debugfs_create_u32+0x70/0xa0
[ 530.862448][ T7891] nbd_start_device+0x485/0xd70
[ 530.862470][ T7891] ? bpf_lsm_capable+0x9/0x10
[ 530.862503][ T7891] nbd_ioctl+0x219/0xda0
[ 530.862524][ T7891] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 530.862546][ T7891] ? __pfx_nbd_ioctl+0x10/0x10
[ 530.862564][ T7891] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 530.862602][ T7891] ? __pfx_nbd_ioctl+0x10/0x10
[ 530.862623][ T7891] blkdev_ioctl+0x5b0/0x6e0
[ 530.862643][ T7891] ? __pfx_blkdev_ioctl+0x10/0x10
[ 530.862660][ T7891] ? selinux_file_ioctl+0x180/0x270
[ 530.862681][ T7891] ? selinux_file_ioctl+0xb4/0x270
[ 530.862705][ T7891] ? __pfx_blkdev_ioctl+0x10/0x10
[ 530.862717][ T7891] __x64_sys_ioctl+0x18e/0x210
[ 530.862731][ T7891] do_syscall_64+0xcd/0xf80
[ 530.862750][ T7891] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 530.862761][ T7891] RIP: 0033:0x7fc8ec499569
[ 530.862771][ T7891] 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
[ 530.862782][ T7891] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 530.862793][ T7891] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 530.862800][ T7891] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 530.862807][ T7891] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 530.862814][ T7891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 530.862820][ T7891] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 530.862836][ T7891]
[ 531.255867][ T7891] block nbd0: shutting down sockets
[ 531.512030][ T7894] block nbd0: shutting down sockets
[ 531.631729][ T7897] block nbd0: Device being setup by another task
[ 531.638759][ T7896] FAULT_INJECTION: forcing a failure.
[ 531.638759][ T7896] name failslab, interval 1, probability 0, space 0, times 0
[ 531.651437][ T7896] CPU: 0 UID: 0 PID: 7896 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 531.651460][ T7896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 531.651471][ T7896] Call Trace:
[ 531.651478][ T7896]
[ 531.651484][ T7896] dump_stack_lvl+0x16c/0x1f0
[ 531.651510][ T7896] should_fail_ex+0x512/0x640
[ 531.651521][ T7896] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 531.651536][ T7896] should_failslab+0xc2/0x120
[ 531.651551][ T7896] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 531.651564][ T7896] ? alloc_inode+0x64/0x240
[ 531.651579][ T7896] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 531.651590][ T7896] ? alloc_inode+0x64/0x240
[ 531.651601][ T7896] alloc_inode+0x64/0x240
[ 531.651613][ T7896] new_inode+0x22/0x1c0
[ 531.651626][ T7896] __debugfs_create_file+0x105/0x530
[ 531.651644][ T7896] debugfs_create_file_unsafe+0x3c/0x50
[ 531.651658][ T7896] debugfs_create_u32+0x70/0xa0
[ 531.651675][ T7896] nbd_start_device+0x485/0xd70
[ 531.651689][ T7896] ? bpf_lsm_capable+0x9/0x10
[ 531.651705][ T7896] nbd_ioctl+0x219/0xda0
[ 531.651718][ T7896] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 531.651731][ T7896] ? __pfx_nbd_ioctl+0x10/0x10
[ 531.651742][ T7896] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 531.651765][ T7896] ? __pfx_nbd_ioctl+0x10/0x10
[ 531.651777][ T7896] blkdev_ioctl+0x5b0/0x6e0
[ 531.651789][ T7896] ? __pfx_blkdev_ioctl+0x10/0x10
[ 531.651798][ T7896] ? selinux_file_ioctl+0x180/0x270
[ 531.651812][ T7896] ? selinux_file_ioctl+0xb4/0x270
[ 531.651828][ T7896] ? __pfx_blkdev_ioctl+0x10/0x10
[ 531.651839][ T7896] __x64_sys_ioctl+0x18e/0x210
[ 531.651853][ T7896] do_syscall_64+0xcd/0xf80
[ 531.651870][ T7896] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 531.651882][ T7896] RIP: 0033:0x7fc8ec499569
[ 531.651892][ T7896] 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
[ 531.651903][ T7896] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 531.651913][ T7896] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 531.651921][ T7896] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 531.651927][ T7896] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 531.651934][ T7896] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 531.651941][ T7896] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 531.651956][ T7896]
[ 531.894500][ T7896] debugfs: out of free dentries, can not create file 'timeout'
[ 531.954510][ T7896] block nbd0: shutting down sockets
[ 532.061773][ T7900] block nbd0: Device being setup by another task
[ 532.068874][ T7899] FAULT_INJECTION: forcing a failure.
[ 532.068874][ T7899] name failslab, interval 1, probability 0, space 0, times 0
[ 532.081634][ T7899] CPU: 1 UID: 0 PID: 7899 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 532.081659][ T7899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 532.081669][ T7899] Call Trace:
[ 532.081675][ T7899]
[ 532.081681][ T7899] dump_stack_lvl+0x16c/0x1f0
[ 532.081708][ T7899] should_fail_ex+0x512/0x640
[ 532.081725][ T7899] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 532.081746][ T7899] should_failslab+0xc2/0x120
[ 532.081766][ T7899] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 532.081785][ T7899] ? alloc_inode+0x64/0x240
[ 532.081806][ T7899] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 532.081823][ T7899] ? alloc_inode+0x64/0x240
[ 532.081840][ T7899] alloc_inode+0x64/0x240
[ 532.081859][ T7899] new_inode+0x22/0x1c0
[ 532.081881][ T7899] __debugfs_create_file+0x105/0x530
[ 532.081904][ T7899] debugfs_create_file_unsafe+0x3c/0x50
[ 532.081926][ T7899] debugfs_create_u32+0x70/0xa0
[ 532.081947][ T7899] nbd_start_device+0x485/0xd70
[ 532.081971][ T7899] ? bpf_lsm_capable+0x9/0x10
[ 532.081994][ T7899] nbd_ioctl+0x219/0xda0
[ 532.082015][ T7899] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 532.082036][ T7899] ? __pfx_nbd_ioctl+0x10/0x10
[ 532.082054][ T7899] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 532.082090][ T7899] ? __pfx_nbd_ioctl+0x10/0x10
[ 532.082110][ T7899] blkdev_ioctl+0x5b0/0x6e0
[ 532.082129][ T7899] ? __pfx_blkdev_ioctl+0x10/0x10
[ 532.082144][ T7899] ? selinux_file_ioctl+0x180/0x270
[ 532.082166][ T7899] ? selinux_file_ioctl+0xb4/0x270
[ 532.082190][ T7899] ? __pfx_blkdev_ioctl+0x10/0x10
[ 532.082210][ T7899] __x64_sys_ioctl+0x18e/0x210
[ 532.082232][ T7899] do_syscall_64+0xcd/0xf80
[ 532.082256][ T7899] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 532.082275][ T7899] RIP: 0033:0x7fc8ec499569
[ 532.082292][ T7899] 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
[ 532.082310][ T7899] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 532.082328][ T7899] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 532.082341][ T7899] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 532.082353][ T7899] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 532.082366][ T7899] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 532.082385][ T7899] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 532.082413][ T7899]
[ 532.322778][ T7899] debugfs: out of free dentries, can not create file 'timeout'
[ 532.407649][ T7899] block nbd0: shutting down sockets
[ 532.512558][ T7902] FAULT_INJECTION: forcing a failure.
[ 532.512558][ T7902] name failslab, interval 1, probability 0, space 0, times 0
[ 532.525189][ T7902] CPU: 0 UID: 0 PID: 7902 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 532.525206][ T7902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 532.525215][ T7902] Call Trace:
[ 532.525224][ T7902]
[ 532.525232][ T7902] dump_stack_lvl+0x16c/0x1f0
[ 532.525263][ T7902] should_fail_ex+0x512/0x640
[ 532.525278][ T7902] ? fs_reclaim_acquire+0xae/0x150
[ 532.525295][ T7902] should_failslab+0xc2/0x120
[ 532.525311][ T7902] __kmalloc_cache_node_noprof+0x83/0x830
[ 532.525325][ T7902] ? lockdep_init_map_type+0x5c/0x270
[ 532.525343][ T7902] ? sbitmap_queue_init_node+0x291/0x4a0
[ 532.525360][ T7902] ? sbitmap_queue_init_node+0x291/0x4a0
[ 532.525373][ T7902] sbitmap_queue_init_node+0x291/0x4a0
[ 532.525389][ T7902] blk_mq_init_tags+0x1b4/0x320
[ 532.525404][ T7902] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 532.525422][ T7902] blk_mq_alloc_sched_tags+0x1de/0x350
[ 532.525435][ T7902] blk_mq_alloc_sched_res+0x8e/0x250
[ 532.525447][ T7902] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 532.525461][ T7902] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 532.525478][ T7902] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 532.525500][ T7902] nbd_start_device+0x1b0/0xd70
[ 532.525515][ T7902] ? bpf_lsm_capable+0x9/0x10
[ 532.525531][ T7902] nbd_ioctl+0x219/0xda0
[ 532.525543][ T7902] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 532.525557][ T7902] ? __pfx_nbd_ioctl+0x10/0x10
[ 532.525567][ T7902] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 532.525591][ T7902] ? __pfx_nbd_ioctl+0x10/0x10
[ 532.525603][ T7902] blkdev_ioctl+0x5b0/0x6e0
[ 532.525614][ T7902] ? __pfx_blkdev_ioctl+0x10/0x10
[ 532.525623][ T7902] ? selinux_file_ioctl+0x180/0x270
[ 532.525637][ T7902] ? selinux_file_ioctl+0xb4/0x270
[ 532.525653][ T7902] ? __pfx_blkdev_ioctl+0x10/0x10
[ 532.525664][ T7902] __x64_sys_ioctl+0x18e/0x210
[ 532.525677][ T7902] do_syscall_64+0xcd/0xf80
[ 532.525695][ T7902] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 532.525706][ T7902] RIP: 0033:0x7fc8ec499569
[ 532.525716][ T7902] 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
[ 532.525727][ T7902] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 532.525738][ T7902] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 532.525746][ T7902] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 532.525752][ T7902] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 532.525759][ T7902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 532.525766][ T7902] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 532.525781][ T7902]
[ 532.831891][ T7902] block nbd0: shutting down sockets
[ 533.011801][ T7905] block nbd0: Device being setup by another task
[ 533.018887][ T7904] FAULT_INJECTION: forcing a failure.
[ 533.018887][ T7904] name failslab, interval 1, probability 0, space 0, times 0
[ 533.031556][ T7904] CPU: 1 UID: 0 PID: 7904 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 533.031580][ T7904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 533.031590][ T7904] Call Trace:
[ 533.031597][ T7904]
[ 533.031604][ T7904] dump_stack_lvl+0x16c/0x1f0
[ 533.031637][ T7904] should_fail_ex+0x512/0x640
[ 533.031652][ T7904] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 533.031676][ T7904] should_failslab+0xc2/0x120
[ 533.031697][ T7904] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 533.031715][ T7904] ? __d_lookup+0x25c/0x4a0
[ 533.031737][ T7904] ? __d_alloc+0x35/0xa80
[ 533.031759][ T7904] ? __d_alloc+0x35/0xa80
[ 533.031774][ T7904] __d_alloc+0x35/0xa80
[ 533.031795][ T7904] d_alloc+0x4a/0x1e0
[ 533.031815][ T7904] lookup_one_qstr_excl+0x175/0x250
[ 533.031838][ T7904] start_dirop+0x59/0xb0
[ 533.031862][ T7904] simple_start_creating+0xf4/0x100
[ 533.031887][ T7904] ? __pfx_simple_start_creating+0x10/0x10
[ 533.031909][ T7904] ? do_raw_spin_unlock+0x172/0x230
[ 533.031937][ T7904] ? simple_pin_fs+0xa3/0x190
[ 533.031960][ T7904] debugfs_start_creating.part.0+0x86/0x1c0
[ 533.031983][ T7904] __debugfs_create_file+0xb3/0x530
[ 533.032009][ T7904] debugfs_create_file_unsafe+0x3c/0x50
[ 533.032033][ T7904] debugfs_create_u32+0x70/0xa0
[ 533.032054][ T7904] nbd_start_device+0x485/0xd70
[ 533.032078][ T7904] ? bpf_lsm_capable+0x9/0x10
[ 533.032104][ T7904] nbd_ioctl+0x219/0xda0
[ 533.032125][ T7904] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 533.032147][ T7904] ? __pfx_nbd_ioctl+0x10/0x10
[ 533.032164][ T7904] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 533.032202][ T7904] ? __pfx_nbd_ioctl+0x10/0x10
[ 533.032223][ T7904] blkdev_ioctl+0x5b0/0x6e0
[ 533.032242][ T7904] ? __pfx_blkdev_ioctl+0x10/0x10
[ 533.032260][ T7904] ? selinux_file_ioctl+0x180/0x270
[ 533.032291][ T7904] ? selinux_file_ioctl+0xb4/0x270
[ 533.032316][ T7904] ? __pfx_blkdev_ioctl+0x10/0x10
[ 533.032336][ T7904] __x64_sys_ioctl+0x18e/0x210
[ 533.032360][ T7904] do_syscall_64+0xcd/0xf80
[ 533.032387][ T7904] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 533.032407][ T7904] RIP: 0033:0x7fc8ec499569
[ 533.032423][ T7904] 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
[ 533.032441][ T7904] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 533.032458][ T7904] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 533.032470][ T7904] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 533.032481][ T7904] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 533.032492][ T7904] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 533.032501][ T7904] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 533.032517][ T7904]
[ 533.351931][ T7904] block nbd0: shutting down sockets
[ 533.612481][ T7907] block nbd0: shutting down sockets
[ 533.882352][ T7909] block nbd0: shutting down sockets
[ 534.141024][ T7911] block nbd0: shutting down sockets
[ 534.392650][ T7913] block nbd0: shutting down sockets
[ 534.511713][ T7916] block nbd0: Device being setup by another task
[ 534.518757][ T7915] FAULT_INJECTION: forcing a failure.
[ 534.518757][ T7915] name failslab, interval 1, probability 0, space 0, times 0
[ 534.531439][ T7915] CPU: 0 UID: 0 PID: 7915 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 534.531462][ T7915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 534.531472][ T7915] Call Trace:
[ 534.531479][ T7915]
[ 534.531487][ T7915] dump_stack_lvl+0x16c/0x1f0
[ 534.531514][ T7915] should_fail_ex+0x512/0x640
[ 534.531527][ T7915] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 534.531542][ T7915] should_failslab+0xc2/0x120
[ 534.531557][ T7915] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 534.531570][ T7915] ? alloc_inode+0x64/0x240
[ 534.531585][ T7915] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 534.531596][ T7915] ? alloc_inode+0x64/0x240
[ 534.531607][ T7915] alloc_inode+0x64/0x240
[ 534.531619][ T7915] new_inode+0x22/0x1c0
[ 534.531636][ T7915] __debugfs_create_file+0x105/0x530
[ 534.531650][ T7915] debugfs_create_file_unsafe+0x3c/0x50
[ 534.531664][ T7915] debugfs_create_u32+0x70/0xa0
[ 534.531676][ T7915] nbd_start_device+0x485/0xd70
[ 534.531691][ T7915] ? bpf_lsm_capable+0x9/0x10
[ 534.531707][ T7915] nbd_ioctl+0x219/0xda0
[ 534.531720][ T7915] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 534.531733][ T7915] ? __pfx_nbd_ioctl+0x10/0x10
[ 534.531743][ T7915] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 534.531765][ T7915] ? __pfx_nbd_ioctl+0x10/0x10
[ 534.531778][ T7915] blkdev_ioctl+0x5b0/0x6e0
[ 534.531790][ T7915] ? __pfx_blkdev_ioctl+0x10/0x10
[ 534.531800][ T7915] ? selinux_file_ioctl+0x180/0x270
[ 534.531813][ T7915] ? selinux_file_ioctl+0xb4/0x270
[ 534.531828][ T7915] ? __pfx_blkdev_ioctl+0x10/0x10
[ 534.531840][ T7915] __x64_sys_ioctl+0x18e/0x210
[ 534.531854][ T7915] do_syscall_64+0xcd/0xf80
[ 534.531870][ T7915] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 534.531882][ T7915] RIP: 0033:0x7fc8ec499569
[ 534.531893][ T7915] 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
[ 534.531903][ T7915] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 534.531914][ T7915] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 534.531922][ T7915] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 534.531928][ T7915] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 534.531935][ T7915] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 534.531942][ T7915] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 534.531957][ T7915]
[ 534.772156][ T7915] debugfs: out of free dentries, can not create file 'timeout'
[ 534.811960][ T7915] block nbd0: shutting down sockets
[ 535.093852][ T7918] block nbd0: shutting down sockets
[ 535.201899][ T7922] block nbd0: Device being setup by another task
[ 535.209109][ T7921] FAULT_INJECTION: forcing a failure.
[ 535.209109][ T7921] name failslab, interval 1, probability 0, space 0, times 0
[ 535.221764][ T7921] CPU: 1 UID: 0 PID: 7921 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 535.221788][ T7921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 535.221800][ T7921] Call Trace:
[ 535.221806][ T7921]
[ 535.221813][ T7921] dump_stack_lvl+0x16c/0x1f0
[ 535.221843][ T7921] should_fail_ex+0x512/0x640
[ 535.221860][ T7921] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 535.221884][ T7921] should_failslab+0xc2/0x120
[ 535.221909][ T7921] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 535.221931][ T7921] ? alloc_inode+0x64/0x240
[ 535.221956][ T7921] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 535.221976][ T7921] ? alloc_inode+0x64/0x240
[ 535.221993][ T7921] alloc_inode+0x64/0x240
[ 535.222012][ T7921] new_inode+0x22/0x1c0
[ 535.222035][ T7921] __debugfs_create_file+0x105/0x530
[ 535.222060][ T7921] debugfs_create_file_unsafe+0x3c/0x50
[ 535.222084][ T7921] debugfs_create_u32+0x70/0xa0
[ 535.222105][ T7921] nbd_start_device+0x485/0xd70
[ 535.222129][ T7921] ? bpf_lsm_capable+0x9/0x10
[ 535.222157][ T7921] nbd_ioctl+0x219/0xda0
[ 535.222177][ T7921] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 535.222199][ T7921] ? __pfx_nbd_ioctl+0x10/0x10
[ 535.222217][ T7921] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 535.222255][ T7921] ? __pfx_nbd_ioctl+0x10/0x10
[ 535.222276][ T7921] blkdev_ioctl+0x5b0/0x6e0
[ 535.222295][ T7921] ? __pfx_blkdev_ioctl+0x10/0x10
[ 535.222320][ T7921] ? selinux_file_ioctl+0x180/0x270
[ 535.222343][ T7921] ? selinux_file_ioctl+0xb4/0x270
[ 535.222369][ T7921] ? __pfx_blkdev_ioctl+0x10/0x10
[ 535.222390][ T7921] __x64_sys_ioctl+0x18e/0x210
[ 535.222414][ T7921] do_syscall_64+0xcd/0xf80
[ 535.222441][ T7921] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 535.222461][ T7921] RIP: 0033:0x7fc8ec499569
[ 535.222477][ T7921] 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
[ 535.222496][ T7921] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 535.222514][ T7921] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 535.222528][ T7921] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 535.222540][ T7921] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 535.222551][ T7921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 535.222562][ T7921] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 535.222589][ T7921]
[ 535.222595][ T7921] debugfs: out of free dentries, can not create file 'timeout'
[ 535.501922][ T7921] block nbd0: shutting down sockets
[ 535.612561][ T7924] FAULT_INJECTION: forcing a failure.
[ 535.612561][ T7924] name failslab, interval 1, probability 0, space 0, times 0
[ 535.625243][ T7924] CPU: 0 UID: 0 PID: 7924 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 535.625260][ T7924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 535.625267][ T7924] Call Trace:
[ 535.625278][ T7924]
[ 535.625284][ T7924] dump_stack_lvl+0x16c/0x1f0
[ 535.625305][ T7924] should_fail_ex+0x512/0x640
[ 535.625316][ T7924] ? fs_reclaim_acquire+0xae/0x150
[ 535.625333][ T7924] should_failslab+0xc2/0x120
[ 535.625348][ T7924] __kmalloc_cache_node_noprof+0x83/0x830
[ 535.625362][ T7924] ? lockdep_init_map_type+0x5c/0x270
[ 535.625375][ T7924] ? sbitmap_queue_init_node+0x291/0x4a0
[ 535.625392][ T7924] ? sbitmap_queue_init_node+0x291/0x4a0
[ 535.625405][ T7924] sbitmap_queue_init_node+0x291/0x4a0
[ 535.625420][ T7924] blk_mq_init_tags+0x1b4/0x320
[ 535.625436][ T7924] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 535.625454][ T7924] blk_mq_alloc_sched_tags+0x1de/0x350
[ 535.625467][ T7924] blk_mq_alloc_sched_res+0x8e/0x250
[ 535.625479][ T7924] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 535.625493][ T7924] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 535.625510][ T7924] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 535.625531][ T7924] nbd_start_device+0x1b0/0xd70
[ 535.625546][ T7924] ? bpf_lsm_capable+0x9/0x10
[ 535.625562][ T7924] nbd_ioctl+0x219/0xda0
[ 535.625575][ T7924] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 535.625588][ T7924] ? __pfx_nbd_ioctl+0x10/0x10
[ 535.625599][ T7924] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 535.625621][ T7924] ? __pfx_nbd_ioctl+0x10/0x10
[ 535.625633][ T7924] blkdev_ioctl+0x5b0/0x6e0
[ 535.625644][ T7924] ? __pfx_blkdev_ioctl+0x10/0x10
[ 535.625653][ T7924] ? selinux_file_ioctl+0x180/0x270
[ 535.625667][ T7924] ? selinux_file_ioctl+0xb4/0x270
[ 535.625682][ T7924] ? __pfx_blkdev_ioctl+0x10/0x10
[ 535.625693][ T7924] __x64_sys_ioctl+0x18e/0x210
[ 535.625707][ T7924] do_syscall_64+0xcd/0xf80
[ 535.625724][ T7924] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 535.625736][ T7924] RIP: 0033:0x7fc8ec499569
[ 535.625745][ T7924] 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
[ 535.625756][ T7924] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 535.625767][ T7924] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 535.625775][ T7924] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 535.625781][ T7924] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 535.625788][ T7924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 535.625794][ T7924] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 535.625809][ T7924]
[ 535.973012][ T7924] block nbd0: shutting down sockets
[ 536.081718][ T7927] block nbd0: Device being setup by another task
[ 536.088864][ T7926] FAULT_INJECTION: forcing a failure.
[ 536.088864][ T7926] name failslab, interval 1, probability 0, space 0, times 0
[ 536.101516][ T7926] CPU: 1 UID: 0 PID: 7926 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 536.101539][ T7926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 536.101549][ T7926] Call Trace:
[ 536.101555][ T7926]
[ 536.101562][ T7926] dump_stack_lvl+0x16c/0x1f0
[ 536.101590][ T7926] should_fail_ex+0x512/0x640
[ 536.101605][ T7926] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 536.101627][ T7926] should_failslab+0xc2/0x120
[ 536.101654][ T7926] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 536.101673][ T7926] ? alloc_inode+0x64/0x240
[ 536.101698][ T7926] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 536.101717][ T7926] ? alloc_inode+0x64/0x240
[ 536.101734][ T7926] alloc_inode+0x64/0x240
[ 536.101754][ T7926] new_inode+0x22/0x1c0
[ 536.101778][ T7926] __debugfs_create_file+0x105/0x530
[ 536.101804][ T7926] debugfs_create_file_unsafe+0x3c/0x50
[ 536.101829][ T7926] debugfs_create_u32+0x70/0xa0
[ 536.101852][ T7926] nbd_start_device+0x485/0xd70
[ 536.101876][ T7926] ? bpf_lsm_capable+0x9/0x10
[ 536.101903][ T7926] nbd_ioctl+0x219/0xda0
[ 536.101925][ T7926] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 536.101947][ T7926] ? __pfx_nbd_ioctl+0x10/0x10
[ 536.101965][ T7926] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 536.102011][ T7926] ? __pfx_nbd_ioctl+0x10/0x10
[ 536.102032][ T7926] blkdev_ioctl+0x5b0/0x6e0
[ 536.102052][ T7926] ? __pfx_blkdev_ioctl+0x10/0x10
[ 536.102068][ T7926] ? selinux_file_ioctl+0x180/0x270
[ 536.102092][ T7926] ? selinux_file_ioctl+0xb4/0x270
[ 536.102118][ T7926] ? __pfx_blkdev_ioctl+0x10/0x10
[ 536.102137][ T7926] __x64_sys_ioctl+0x18e/0x210
[ 536.102157][ T7926] do_syscall_64+0xcd/0xf80
[ 536.102173][ T7926] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 536.102185][ T7926] RIP: 0033:0x7fc8ec499569
[ 536.102195][ T7926] 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
[ 536.102206][ T7926] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 536.102217][ T7926] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 536.102224][ T7926] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 536.102233][ T7926] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 536.102240][ T7926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 536.102246][ T7926] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 536.102265][ T7926]
[ 536.342090][ T7926] debugfs: out of free dentries, can not create file 'timeout'
[ 536.433467][ T7926] block nbd0: shutting down sockets
[ 536.672583][ T7929] block nbd0: shutting down sockets
[ 536.911713][ T7931] block nbd0: shutting down sockets
[ 537.163611][ T7933] block nbd0: shutting down sockets
[ 537.433457][ T7935] block nbd0: shutting down sockets
[ 537.663106][ T7937] block nbd0: shutting down sockets
[ 537.933258][ T7939] block nbd0: shutting down sockets
[ 538.201904][ T7941] block nbd0: shutting down sockets
[ 538.361752][ T7944] block nbd0: Device being setup by another task
[ 538.369113][ T7943] FAULT_INJECTION: forcing a failure.
[ 538.369113][ T7943] name failslab, interval 1, probability 0, space 0, times 0
[ 538.381893][ T7943] CPU: 0 UID: 0 PID: 7943 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 538.381921][ T7943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 538.381932][ T7943] Call Trace:
[ 538.381939][ T7943]
[ 538.381947][ T7943] dump_stack_lvl+0x16c/0x1f0
[ 538.381978][ T7943] should_fail_ex+0x512/0x640
[ 538.381995][ T7943] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 538.382020][ T7943] should_failslab+0xc2/0x120
[ 538.382044][ T7943] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 538.382064][ T7943] ? __d_lookup+0x25c/0x4a0
[ 538.382086][ T7943] ? __d_alloc+0x35/0xa80
[ 538.382107][ T7943] ? __d_alloc+0x35/0xa80
[ 538.382122][ T7943] __d_alloc+0x35/0xa80
[ 538.382144][ T7943] d_alloc+0x4a/0x1e0
[ 538.382163][ T7943] lookup_one_qstr_excl+0x175/0x250
[ 538.382187][ T7943] start_dirop+0x59/0xb0
[ 538.382210][ T7943] simple_start_creating+0xf4/0x100
[ 538.382236][ T7943] ? __pfx_simple_start_creating+0x10/0x10
[ 538.382259][ T7943] ? do_raw_spin_unlock+0x172/0x230
[ 538.382286][ T7943] ? simple_pin_fs+0xa3/0x190
[ 538.382310][ T7943] debugfs_start_creating.part.0+0x86/0x1c0
[ 538.382333][ T7943] __debugfs_create_file+0xb3/0x530
[ 538.382358][ T7943] debugfs_create_file_unsafe+0x3c/0x50
[ 538.382382][ T7943] debugfs_create_u32+0x70/0xa0
[ 538.382403][ T7943] nbd_start_device+0x485/0xd70
[ 538.382427][ T7943] ? bpf_lsm_capable+0x9/0x10
[ 538.382454][ T7943] nbd_ioctl+0x219/0xda0
[ 538.382475][ T7943] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 538.382497][ T7943] ? __pfx_nbd_ioctl+0x10/0x10
[ 538.382515][ T7943] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 538.382552][ T7943] ? __pfx_nbd_ioctl+0x10/0x10
[ 538.382572][ T7943] blkdev_ioctl+0x5b0/0x6e0
[ 538.382590][ T7943] ? __pfx_blkdev_ioctl+0x10/0x10
[ 538.382600][ T7943] ? selinux_file_ioctl+0x180/0x270
[ 538.382614][ T7943] ? selinux_file_ioctl+0xb4/0x270
[ 538.382629][ T7943] ? __pfx_blkdev_ioctl+0x10/0x10
[ 538.382640][ T7943] __x64_sys_ioctl+0x18e/0x210
[ 538.382654][ T7943] do_syscall_64+0xcd/0xf80
[ 538.382671][ T7943] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 538.382683][ T7943] RIP: 0033:0x7fc8ec499569
[ 538.382692][ T7943] 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
[ 538.382703][ T7943] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 538.382713][ T7943] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 538.382720][ T7943] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 538.382727][ T7943] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 538.382733][ T7943] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 538.382740][ T7943] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 538.382769][ T7943]
[ 538.775084][ T7943] block nbd0: shutting down sockets
[ 538.891858][ T7948] block nbd0: Device being setup by another task
[ 538.898941][ T7947] FAULT_INJECTION: forcing a failure.
[ 538.898941][ T7947] name failslab, interval 1, probability 0, space 0, times 0
[ 538.911662][ T7947] CPU: 1 UID: 0 PID: 7947 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 538.911690][ T7947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 538.911700][ T7947] Call Trace:
[ 538.911707][ T7947]
[ 538.911713][ T7947] dump_stack_lvl+0x16c/0x1f0
[ 538.911734][ T7947] should_fail_ex+0x512/0x640
[ 538.911745][ T7947] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 538.911759][ T7947] should_failslab+0xc2/0x120
[ 538.911775][ T7947] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 538.911787][ T7947] ? alloc_inode+0x64/0x240
[ 538.911802][ T7947] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 538.911813][ T7947] ? alloc_inode+0x64/0x240
[ 538.911823][ T7947] alloc_inode+0x64/0x240
[ 538.911836][ T7947] new_inode+0x22/0x1c0
[ 538.911849][ T7947] __debugfs_create_file+0x105/0x530
[ 538.911864][ T7947] debugfs_create_file_unsafe+0x3c/0x50
[ 538.911878][ T7947] debugfs_create_u32+0x70/0xa0
[ 538.911896][ T7947] nbd_start_device+0x485/0xd70
[ 538.911910][ T7947] ? bpf_lsm_capable+0x9/0x10
[ 538.911926][ T7947] nbd_ioctl+0x219/0xda0
[ 538.911938][ T7947] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 538.911952][ T7947] ? __pfx_nbd_ioctl+0x10/0x10
[ 538.911962][ T7947] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 538.911987][ T7947] ? __pfx_nbd_ioctl+0x10/0x10
[ 538.911999][ T7947] blkdev_ioctl+0x5b0/0x6e0
[ 538.912011][ T7947] ? __pfx_blkdev_ioctl+0x10/0x10
[ 538.912021][ T7947] ? selinux_file_ioctl+0x180/0x270
[ 538.912034][ T7947] ? selinux_file_ioctl+0xb4/0x270
[ 538.912051][ T7947] ? __pfx_blkdev_ioctl+0x10/0x10
[ 538.912064][ T7947] __x64_sys_ioctl+0x18e/0x210
[ 538.912077][ T7947] do_syscall_64+0xcd/0xf80
[ 538.912097][ T7947] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 538.912109][ T7947] RIP: 0033:0x7fc8ec499569
[ 538.912119][ T7947] 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
[ 538.912130][ T7947] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 538.912141][ T7947] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 538.912149][ T7947] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 538.912155][ T7947] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 538.912162][ T7947] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 538.912169][ T7947] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 538.912184][ T7947]
[ 538.912205][ T7947] debugfs: out of free dentries, can not create file 'timeout'
[ 539.191911][ T7947] block nbd0: shutting down sockets
[ 539.331717][ T7951] block nbd0: Device being setup by another task
[ 539.338759][ T7950] FAULT_INJECTION: forcing a failure.
[ 539.338759][ T7950] name failslab, interval 1, probability 0, space 0, times 0
[ 539.351429][ T7950] CPU: 1 UID: 0 PID: 7950 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 539.351451][ T7950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 539.351461][ T7950] Call Trace:
[ 539.351468][ T7950]
[ 539.351474][ T7950] dump_stack_lvl+0x16c/0x1f0
[ 539.351502][ T7950] should_fail_ex+0x512/0x640
[ 539.351519][ T7950] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 539.351541][ T7950] should_failslab+0xc2/0x120
[ 539.351562][ T7950] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 539.351583][ T7950] ? alloc_inode+0x64/0x240
[ 539.351608][ T7950] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 539.351630][ T7950] ? alloc_inode+0x64/0x240
[ 539.351646][ T7950] alloc_inode+0x64/0x240
[ 539.351673][ T7950] new_inode+0x22/0x1c0
[ 539.351695][ T7950] __debugfs_create_file+0x105/0x530
[ 539.351720][ T7950] debugfs_create_file_unsafe+0x3c/0x50
[ 539.351744][ T7950] debugfs_create_u32+0x70/0xa0
[ 539.351766][ T7950] nbd_start_device+0x485/0xd70
[ 539.351789][ T7950] ? bpf_lsm_capable+0x9/0x10
[ 539.351815][ T7950] nbd_ioctl+0x219/0xda0
[ 539.351837][ T7950] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 539.351860][ T7950] ? __pfx_nbd_ioctl+0x10/0x10
[ 539.351878][ T7950] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 539.351916][ T7950] ? __pfx_nbd_ioctl+0x10/0x10
[ 539.351938][ T7950] blkdev_ioctl+0x5b0/0x6e0
[ 539.351958][ T7950] ? __pfx_blkdev_ioctl+0x10/0x10
[ 539.351976][ T7950] ? selinux_file_ioctl+0x180/0x270
[ 539.351998][ T7950] ? selinux_file_ioctl+0xb4/0x270
[ 539.352024][ T7950] ? __pfx_blkdev_ioctl+0x10/0x10
[ 539.352044][ T7950] __x64_sys_ioctl+0x18e/0x210
[ 539.352065][ T7950] do_syscall_64+0xcd/0xf80
[ 539.352090][ T7950] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 539.352109][ T7950] RIP: 0033:0x7fc8ec499569
[ 539.352126][ T7950] 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
[ 539.352144][ T7950] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 539.352162][ T7950] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 539.352175][ T7950] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 539.352187][ T7950] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 539.352199][ T7950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 539.352212][ T7950] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 539.352239][ T7950]
[ 539.593036][ T7950] debugfs: out of free dentries, can not create file 'timeout'
[ 539.641877][ T7950] block nbd0: shutting down sockets
[ 539.702708][ T7953] block nbd0: Device being setup by another task
[ 539.741748][ T7953] block nbd0: Device being setup by another task
[ 540.011453][ T7955] block nbd0: shutting down sockets
[ 540.262247][ T7957] block nbd0: shutting down sockets
[ 540.401709][ T7960] block nbd0: Device being setup by another task
[ 540.408780][ T7959] FAULT_INJECTION: forcing a failure.
[ 540.408780][ T7959] name failslab, interval 1, probability 0, space 0, times 0
[ 540.421495][ T7959] CPU: 0 UID: 0 PID: 7959 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 540.421519][ T7959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 540.421526][ T7959] Call Trace:
[ 540.421531][ T7959]
[ 540.421536][ T7959] dump_stack_lvl+0x16c/0x1f0
[ 540.421558][ T7959] should_fail_ex+0x512/0x640
[ 540.421569][ T7959] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 540.421584][ T7959] should_failslab+0xc2/0x120
[ 540.421600][ T7959] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 540.421612][ T7959] ? alloc_inode+0x64/0x240
[ 540.421630][ T7959] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 540.421642][ T7959] ? alloc_inode+0x64/0x240
[ 540.421652][ T7959] alloc_inode+0x64/0x240
[ 540.421664][ T7959] new_inode+0x22/0x1c0
[ 540.421678][ T7959] __debugfs_create_file+0x105/0x530
[ 540.421692][ T7959] debugfs_create_file_unsafe+0x3c/0x50
[ 540.421706][ T7959] debugfs_create_u32+0x70/0xa0
[ 540.421718][ T7959] nbd_start_device+0x485/0xd70
[ 540.421733][ T7959] ? bpf_lsm_capable+0x9/0x10
[ 540.421749][ T7959] nbd_ioctl+0x219/0xda0
[ 540.421762][ T7959] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 540.421775][ T7959] ? __pfx_nbd_ioctl+0x10/0x10
[ 540.421785][ T7959] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 540.421813][ T7959] ? __pfx_nbd_ioctl+0x10/0x10
[ 540.421825][ T7959] blkdev_ioctl+0x5b0/0x6e0
[ 540.421837][ T7959] ? __pfx_blkdev_ioctl+0x10/0x10
[ 540.421847][ T7959] ? selinux_file_ioctl+0x180/0x270
[ 540.421861][ T7959] ? selinux_file_ioctl+0xb4/0x270
[ 540.421876][ T7959] ? __pfx_blkdev_ioctl+0x10/0x10
[ 540.421888][ T7959] __x64_sys_ioctl+0x18e/0x210
[ 540.421902][ T7959] do_syscall_64+0xcd/0xf80
[ 540.421919][ T7959] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 540.421930][ T7959] RIP: 0033:0x7fc8ec499569
[ 540.421940][ T7959] 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
[ 540.421951][ T7959] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 540.421962][ T7959] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 540.421969][ T7959] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 540.421976][ T7959] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 540.421983][ T7959] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 540.421989][ T7959] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 540.422004][ T7959]
[ 540.661854][ T7959] debugfs: out of free dentries, can not create file 'timeout'
[ 540.702041][ T7959] block nbd0: shutting down sockets
[ 540.980567][ T7962] block nbd0: shutting down sockets
[ 541.072511][ T7965] FAULT_INJECTION: forcing a failure.
[ 541.072511][ T7965] name failslab, interval 1, probability 0, space 0, times 0
[ 541.085242][ T7965] CPU: 0 UID: 0 PID: 7965 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 541.085262][ T7965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 541.085269][ T7965] Call Trace:
[ 541.085275][ T7965]
[ 541.085280][ T7965] dump_stack_lvl+0x16c/0x1f0
[ 541.085300][ T7965] should_fail_ex+0x512/0x640
[ 541.085311][ T7965] ? fs_reclaim_acquire+0xae/0x150
[ 541.085328][ T7965] should_failslab+0xc2/0x120
[ 541.085343][ T7965] __kmalloc_cache_node_noprof+0x83/0x830
[ 541.085357][ T7965] ? lockdep_init_map_type+0x5c/0x270
[ 541.085371][ T7965] ? sbitmap_queue_init_node+0x291/0x4a0
[ 541.085387][ T7965] ? sbitmap_queue_init_node+0x291/0x4a0
[ 541.085400][ T7965] sbitmap_queue_init_node+0x291/0x4a0
[ 541.085416][ T7965] blk_mq_init_tags+0x1b4/0x320
[ 541.085432][ T7965] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 541.085449][ T7965] blk_mq_alloc_sched_tags+0x1de/0x350
[ 541.085464][ T7965] blk_mq_alloc_sched_res+0x8e/0x250
[ 541.085475][ T7965] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 541.085495][ T7965] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 541.085512][ T7965] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 541.085534][ T7965] nbd_start_device+0x1b0/0xd70
[ 541.085549][ T7965] ? bpf_lsm_capable+0x9/0x10
[ 541.085565][ T7965] nbd_ioctl+0x219/0xda0
[ 541.085577][ T7965] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 541.085590][ T7965] ? __pfx_nbd_ioctl+0x10/0x10
[ 541.085601][ T7965] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 541.085623][ T7965] ? __pfx_nbd_ioctl+0x10/0x10
[ 541.085635][ T7965] blkdev_ioctl+0x5b0/0x6e0
[ 541.085646][ T7965] ? __pfx_blkdev_ioctl+0x10/0x10
[ 541.085656][ T7965] ? selinux_file_ioctl+0x180/0x270
[ 541.085669][ T7965] ? selinux_file_ioctl+0xb4/0x270
[ 541.085685][ T7965] ? __pfx_blkdev_ioctl+0x10/0x10
[ 541.085696][ T7965] __x64_sys_ioctl+0x18e/0x210
[ 541.085709][ T7965] do_syscall_64+0xcd/0xf80
[ 541.085726][ T7965] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 541.085739][ T7965] RIP: 0033:0x7fc8ec499569
[ 541.085749][ T7965] 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
[ 541.085760][ T7965] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 541.085771][ T7965] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 541.085779][ T7965] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 541.085785][ T7965] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 541.085792][ T7965] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 541.085798][ T7965] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 541.085814][ T7965]
[ 541.411923][ T7965] block nbd0: shutting down sockets
[ 541.701861][ T7967] block nbd0: shutting down sockets
[ 541.962076][ T7970] block nbd0: shutting down sockets
[ 542.212827][ T7972] block nbd0: shutting down sockets
[ 542.442420][ T7974] block nbd0: shutting down sockets
[ 542.702130][ T7976] block nbd0: shutting down sockets
[ 542.963234][ T7978] block nbd0: shutting down sockets
[ 543.222035][ T7980] block nbd0: shutting down sockets
[ 543.483501][ T7982] block nbd0: shutting down sockets
[ 543.601738][ T7985] block nbd0: Device being setup by another task
[ 543.608854][ T7984] FAULT_INJECTION: forcing a failure.
[ 543.608854][ T7984] name failslab, interval 1, probability 0, space 0, times 0
[ 543.621568][ T7984] CPU: 0 UID: 0 PID: 7984 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 543.621592][ T7984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 543.621602][ T7984] Call Trace:
[ 543.621607][ T7984]
[ 543.621612][ T7984] dump_stack_lvl+0x16c/0x1f0
[ 543.621640][ T7984] should_fail_ex+0x512/0x640
[ 543.621657][ T7984] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 543.621681][ T7984] should_failslab+0xc2/0x120
[ 543.621697][ T7984] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 543.621710][ T7984] ? alloc_inode+0x64/0x240
[ 543.621725][ T7984] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 543.621736][ T7984] ? alloc_inode+0x64/0x240
[ 543.621759][ T7984] alloc_inode+0x64/0x240
[ 543.621771][ T7984] new_inode+0x22/0x1c0
[ 543.621784][ T7984] __debugfs_create_file+0x105/0x530
[ 543.621799][ T7984] debugfs_create_file_unsafe+0x3c/0x50
[ 543.621812][ T7984] debugfs_create_u32+0x70/0xa0
[ 543.621824][ T7984] nbd_start_device+0x485/0xd70
[ 543.621839][ T7984] ? bpf_lsm_capable+0x9/0x10
[ 543.621855][ T7984] nbd_ioctl+0x219/0xda0
[ 543.621868][ T7984] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 543.621880][ T7984] ? __pfx_nbd_ioctl+0x10/0x10
[ 543.621891][ T7984] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 543.621913][ T7984] ? __pfx_nbd_ioctl+0x10/0x10
[ 543.621925][ T7984] blkdev_ioctl+0x5b0/0x6e0
[ 543.621937][ T7984] ? __pfx_blkdev_ioctl+0x10/0x10
[ 543.621947][ T7984] ? selinux_file_ioctl+0x180/0x270
[ 543.621960][ T7984] ? selinux_file_ioctl+0xb4/0x270
[ 543.621975][ T7984] ? __pfx_blkdev_ioctl+0x10/0x10
[ 543.621987][ T7984] __x64_sys_ioctl+0x18e/0x210
[ 543.622000][ T7984] do_syscall_64+0xcd/0xf80
[ 543.622018][ T7984] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 543.622029][ T7984] RIP: 0033:0x7fc8ec499569
[ 543.622039][ T7984] 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
[ 543.622050][ T7984] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 543.622061][ T7984] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 543.622068][ T7984] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 543.622075][ T7984] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 543.622082][ T7984] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 543.622088][ T7984] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 543.622103][ T7984]
[ 543.862112][ T7984] debugfs: out of free dentries, can not create file 'timeout'
[ 543.901971][ T7984] block nbd0: shutting down sockets
[ 544.031729][ T7988] block nbd0: Device being setup by another task
[ 544.038911][ T7987] FAULT_INJECTION: forcing a failure.
[ 544.038911][ T7987] name failslab, interval 1, probability 0, space 0, times 0
[ 544.051816][ T7987] CPU: 0 UID: 0 PID: 7987 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 544.051837][ T7987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 544.051846][ T7987] Call Trace:
[ 544.051852][ T7987]
[ 544.051859][ T7987] dump_stack_lvl+0x16c/0x1f0
[ 544.051886][ T7987] should_fail_ex+0x512/0x640
[ 544.051903][ T7987] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 544.051926][ T7987] should_failslab+0xc2/0x120
[ 544.051949][ T7987] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 544.051969][ T7987] ? alloc_inode+0x64/0x240
[ 544.051991][ T7987] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 544.052007][ T7987] ? alloc_inode+0x64/0x240
[ 544.052024][ T7987] alloc_inode+0x64/0x240
[ 544.052042][ T7987] new_inode+0x22/0x1c0
[ 544.052062][ T7987] __debugfs_create_file+0x105/0x530
[ 544.052088][ T7987] debugfs_create_file_unsafe+0x3c/0x50
[ 544.052111][ T7987] debugfs_create_u32+0x70/0xa0
[ 544.052132][ T7987] nbd_start_device+0x485/0xd70
[ 544.052156][ T7987] ? bpf_lsm_capable+0x9/0x10
[ 544.052183][ T7987] nbd_ioctl+0x219/0xda0
[ 544.052204][ T7987] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 544.052227][ T7987] ? __pfx_nbd_ioctl+0x10/0x10
[ 544.052245][ T7987] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 544.052284][ T7987] ? __pfx_nbd_ioctl+0x10/0x10
[ 544.052379][ T7987] blkdev_ioctl+0x5b0/0x6e0
[ 544.052397][ T7987] ? __pfx_blkdev_ioctl+0x10/0x10
[ 544.052414][ T7987] ? selinux_file_ioctl+0x180/0x270
[ 544.052439][ T7987] ? selinux_file_ioctl+0xb4/0x270
[ 544.052465][ T7987] ? __pfx_blkdev_ioctl+0x10/0x10
[ 544.052485][ T7987] __x64_sys_ioctl+0x18e/0x210
[ 544.052510][ T7987] do_syscall_64+0xcd/0xf80
[ 544.052539][ T7987] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 544.052558][ T7987] RIP: 0033:0x7fc8ec499569
[ 544.052575][ T7987] 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
[ 544.052594][ T7987] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 544.052612][ T7987] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 544.052625][ T7987] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 544.052635][ T7987] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 544.052646][ T7987] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 544.052657][ T7987] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 544.052682][ T7987]
[ 544.052691][ T7987] debugfs: out of free dentries, can not create file 'timeout'
[ 544.341906][ T7987] block nbd0: shutting down sockets
[ 544.461738][ T7991] block nbd0: Device being setup by another task
[ 544.468920][ T7990] FAULT_INJECTION: forcing a failure.
[ 544.468920][ T7990] name failslab, interval 1, probability 0, space 0, times 0
[ 544.481587][ T7990] CPU: 0 UID: 0 PID: 7990 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 544.481611][ T7990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 544.481620][ T7990] Call Trace:
[ 544.481630][ T7990]
[ 544.481637][ T7990] dump_stack_lvl+0x16c/0x1f0
[ 544.481666][ T7990] should_fail_ex+0x512/0x640
[ 544.481682][ T7990] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 544.481702][ T7990] should_failslab+0xc2/0x120
[ 544.481725][ T7990] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 544.481744][ T7990] ? alloc_inode+0x64/0x240
[ 544.481766][ T7990] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 544.481783][ T7990] ? alloc_inode+0x64/0x240
[ 544.481800][ T7990] alloc_inode+0x64/0x240
[ 544.481817][ T7990] new_inode+0x22/0x1c0
[ 544.481839][ T7990] __debugfs_create_file+0x105/0x530
[ 544.481864][ T7990] debugfs_create_file_unsafe+0x3c/0x50
[ 544.481889][ T7990] debugfs_create_u32+0x70/0xa0
[ 544.481911][ T7990] nbd_start_device+0x485/0xd70
[ 544.481936][ T7990] ? bpf_lsm_capable+0x9/0x10
[ 544.481962][ T7990] nbd_ioctl+0x219/0xda0
[ 544.481984][ T7990] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 544.482004][ T7990] ? __pfx_nbd_ioctl+0x10/0x10
[ 544.482023][ T7990] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 544.482062][ T7990] ? __pfx_nbd_ioctl+0x10/0x10
[ 544.482084][ T7990] blkdev_ioctl+0x5b0/0x6e0
[ 544.482104][ T7990] ? __pfx_blkdev_ioctl+0x10/0x10
[ 544.482123][ T7990] ? selinux_file_ioctl+0x180/0x270
[ 544.482146][ T7990] ? selinux_file_ioctl+0xb4/0x270
[ 544.482171][ T7990] ? __pfx_blkdev_ioctl+0x10/0x10
[ 544.482191][ T7990] __x64_sys_ioctl+0x18e/0x210
[ 544.482215][ T7990] do_syscall_64+0xcd/0xf80
[ 544.482243][ T7990] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 544.482263][ T7990] RIP: 0033:0x7fc8ec499569
[ 544.482279][ T7990] 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
[ 544.482298][ T7990] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 544.482316][ T7990] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 544.482329][ T7990] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 544.482341][ T7990] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 544.482352][ T7990] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 544.482364][ T7990] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 544.482392][ T7990]
[ 544.722521][ T7990] debugfs: out of free dentries, can not create file 'timeout'
[ 544.822696][ T7990] block nbd0: shutting down sockets
[ 545.052480][ T7993] block nbd0: shutting down sockets
[ 545.332683][ T7995] block nbd0: shutting down sockets
[ 545.593013][ T7998] block nbd0: shutting down sockets
[ 545.862509][ T8000] block nbd0: shutting down sockets
[ 545.971757][ T8003] block nbd0: Device being setup by another task
[ 545.978769][ T8002] FAULT_INJECTION: forcing a failure.
[ 545.978769][ T8002] name failslab, interval 1, probability 0, space 0, times 0
[ 545.991449][ T8002] CPU: 0 UID: 0 PID: 8002 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 545.991474][ T8002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 545.991485][ T8002] Call Trace:
[ 545.991493][ T8002]
[ 545.991500][ T8002] dump_stack_lvl+0x16c/0x1f0
[ 545.991524][ T8002] should_fail_ex+0x512/0x640
[ 545.991535][ T8002] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 545.991550][ T8002] should_failslab+0xc2/0x120
[ 545.991566][ T8002] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 545.991578][ T8002] ? alloc_inode+0x64/0x240
[ 545.991594][ T8002] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 545.991605][ T8002] ? alloc_inode+0x64/0x240
[ 545.991616][ T8002] alloc_inode+0x64/0x240
[ 545.991630][ T8002] new_inode+0x22/0x1c0
[ 545.991644][ T8002] __debugfs_create_file+0x105/0x530
[ 545.991658][ T8002] debugfs_create_file_unsafe+0x3c/0x50
[ 545.991673][ T8002] debugfs_create_u32+0x70/0xa0
[ 545.991686][ T8002] nbd_start_device+0x485/0xd70
[ 545.991700][ T8002] ? bpf_lsm_capable+0x9/0x10
[ 545.991716][ T8002] nbd_ioctl+0x219/0xda0
[ 545.991728][ T8002] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 545.991741][ T8002] ? __pfx_nbd_ioctl+0x10/0x10
[ 545.991752][ T8002] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 545.991774][ T8002] ? __pfx_nbd_ioctl+0x10/0x10
[ 545.991787][ T8002] blkdev_ioctl+0x5b0/0x6e0
[ 545.991798][ T8002] ? __pfx_blkdev_ioctl+0x10/0x10
[ 545.991808][ T8002] ? selinux_file_ioctl+0x180/0x270
[ 545.991822][ T8002] ? selinux_file_ioctl+0xb4/0x270
[ 545.991837][ T8002] ? __pfx_blkdev_ioctl+0x10/0x10
[ 545.991848][ T8002] __x64_sys_ioctl+0x18e/0x210
[ 545.991862][ T8002] do_syscall_64+0xcd/0xf80
[ 545.991888][ T8002] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 545.991907][ T8002] RIP: 0033:0x7fc8ec499569
[ 545.991923][ T8002] 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
[ 545.991942][ T8002] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 545.991954][ T8002] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 545.991961][ T8002] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 545.991967][ T8002] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 545.991974][ T8002] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 545.991981][ T8002] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 545.992002][ T8002]
[ 546.232680][ T8002] debugfs: out of free dentries, can not create file 'timeout'
[ 546.271991][ T8002] block nbd0: shutting down sockets
[ 546.342069][ T8005] block nbd0: Device being setup by another task
[ 546.401783][ T8006] block nbd0: Device being setup by another task
[ 546.672707][ T8008] block nbd0: shutting down sockets
[ 546.922587][ T8010] block nbd0: shutting down sockets
[ 547.193447][ T8012] block nbd0: shutting down sockets
[ 547.453430][ T8014] block nbd0: shutting down sockets
[ 547.571793][ T8017] block nbd0: Device being setup by another task
[ 547.578894][ T8016] FAULT_INJECTION: forcing a failure.
[ 547.578894][ T8016] name failslab, interval 1, probability 0, space 0, times 0
[ 547.591540][ T8016] CPU: 0 UID: 0 PID: 8016 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 547.591565][ T8016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 547.591580][ T8016] Call Trace:
[ 547.591589][ T8016]
[ 547.591595][ T8016] dump_stack_lvl+0x16c/0x1f0
[ 547.591615][ T8016] should_fail_ex+0x512/0x640
[ 547.591628][ T8016] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 547.591643][ T8016] should_failslab+0xc2/0x120
[ 547.591659][ T8016] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 547.591671][ T8016] ? alloc_inode+0x64/0x240
[ 547.591687][ T8016] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 547.591698][ T8016] ? alloc_inode+0x64/0x240
[ 547.591709][ T8016] alloc_inode+0x64/0x240
[ 547.591723][ T8016] new_inode+0x22/0x1c0
[ 547.591744][ T8016] __debugfs_create_file+0x105/0x530
[ 547.591768][ T8016] debugfs_create_file_unsafe+0x3c/0x50
[ 547.591793][ T8016] debugfs_create_u32+0x70/0xa0
[ 547.591816][ T8016] nbd_start_device+0x485/0xd70
[ 547.591831][ T8016] ? bpf_lsm_capable+0x9/0x10
[ 547.591847][ T8016] nbd_ioctl+0x219/0xda0
[ 547.591859][ T8016] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 547.591876][ T8016] ? __pfx_nbd_ioctl+0x10/0x10
[ 547.591887][ T8016] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 547.591909][ T8016] ? __pfx_nbd_ioctl+0x10/0x10
[ 547.591921][ T8016] blkdev_ioctl+0x5b0/0x6e0
[ 547.591933][ T8016] ? __pfx_blkdev_ioctl+0x10/0x10
[ 547.591943][ T8016] ? selinux_file_ioctl+0x180/0x270
[ 547.591957][ T8016] ? selinux_file_ioctl+0xb4/0x270
[ 547.591972][ T8016] ? __pfx_blkdev_ioctl+0x10/0x10
[ 547.591984][ T8016] __x64_sys_ioctl+0x18e/0x210
[ 547.591997][ T8016] do_syscall_64+0xcd/0xf80
[ 547.592015][ T8016] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 547.592028][ T8016] RIP: 0033:0x7fc8ec499569
[ 547.592038][ T8016] 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
[ 547.592048][ T8016] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 547.592059][ T8016] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 547.592069][ T8016] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 547.592075][ T8016] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 547.592082][ T8016] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 547.592089][ T8016] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 547.592104][ T8016]
[ 547.834661][ T8016] debugfs: out of free dentries, can not create file 'timeout'
[ 547.881949][ T8016] block nbd0: shutting down sockets
[ 548.022508][ T8019] FAULT_INJECTION: forcing a failure.
[ 548.022508][ T8019] name failslab, interval 1, probability 0, space 0, times 0
[ 548.035175][ T8019] CPU: 0 UID: 0 PID: 8019 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 548.035200][ T8019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 548.035211][ T8019] Call Trace:
[ 548.035219][ T8019]
[ 548.035227][ T8019] dump_stack_lvl+0x16c/0x1f0
[ 548.035248][ T8019] should_fail_ex+0x512/0x640
[ 548.035259][ T8019] ? fs_reclaim_acquire+0xae/0x150
[ 548.035276][ T8019] should_failslab+0xc2/0x120
[ 548.035291][ T8019] __kmalloc_cache_node_noprof+0x83/0x830
[ 548.035306][ T8019] ? lockdep_init_map_type+0x5c/0x270
[ 548.035319][ T8019] ? sbitmap_queue_init_node+0x291/0x4a0
[ 548.035336][ T8019] ? sbitmap_queue_init_node+0x291/0x4a0
[ 548.035349][ T8019] sbitmap_queue_init_node+0x291/0x4a0
[ 548.035364][ T8019] blk_mq_init_tags+0x1b4/0x320
[ 548.035384][ T8019] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 548.035415][ T8019] blk_mq_alloc_sched_tags+0x1de/0x350
[ 548.035438][ T8019] blk_mq_alloc_sched_res+0x8e/0x250
[ 548.035460][ T8019] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 548.035477][ T8019] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 548.035494][ T8019] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 548.035516][ T8019] nbd_start_device+0x1b0/0xd70
[ 548.035531][ T8019] ? bpf_lsm_capable+0x9/0x10
[ 548.035547][ T8019] nbd_ioctl+0x219/0xda0
[ 548.035560][ T8019] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 548.035573][ T8019] ? __pfx_nbd_ioctl+0x10/0x10
[ 548.035583][ T8019] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 548.035606][ T8019] ? __pfx_nbd_ioctl+0x10/0x10
[ 548.035618][ T8019] blkdev_ioctl+0x5b0/0x6e0
[ 548.035629][ T8019] ? __pfx_blkdev_ioctl+0x10/0x10
[ 548.035639][ T8019] ? selinux_file_ioctl+0x180/0x270
[ 548.035653][ T8019] ? selinux_file_ioctl+0xb4/0x270
[ 548.035668][ T8019] ? __pfx_blkdev_ioctl+0x10/0x10
[ 548.035679][ T8019] __x64_sys_ioctl+0x18e/0x210
[ 548.035693][ T8019] do_syscall_64+0xcd/0xf80
[ 548.035710][ T8019] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 548.035722][ T8019] RIP: 0033:0x7fc8ec499569
[ 548.035732][ T8019] 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
[ 548.035742][ T8019] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 548.035758][ T8019] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 548.035766][ T8019] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 548.035772][ T8019] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 548.035779][ T8019] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 548.035786][ T8019] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 548.035801][ T8019]
[ 548.342060][ T8019] block nbd0: shutting down sockets
[ 548.602432][ T8022] block nbd0: shutting down sockets
[ 548.712596][ T8024] FAULT_INJECTION: forcing a failure.
[ 548.712596][ T8024] name failslab, interval 1, probability 0, space 0, times 0
[ 548.725603][ T8024] CPU: 1 UID: 0 PID: 8024 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 548.725629][ T8024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 548.725641][ T8024] Call Trace:
[ 548.725650][ T8024]
[ 548.725657][ T8024] dump_stack_lvl+0x16c/0x1f0
[ 548.725681][ T8024] should_fail_ex+0x512/0x640
[ 548.725692][ T8024] ? fs_reclaim_acquire+0xae/0x150
[ 548.725709][ T8024] should_failslab+0xc2/0x120
[ 548.725724][ T8024] __kmalloc_cache_node_noprof+0x83/0x830
[ 548.725739][ T8024] ? lockdep_init_map_type+0x5c/0x270
[ 548.725752][ T8024] ? sbitmap_queue_init_node+0x291/0x4a0
[ 548.725769][ T8024] ? sbitmap_queue_init_node+0x291/0x4a0
[ 548.725782][ T8024] sbitmap_queue_init_node+0x291/0x4a0
[ 548.725798][ T8024] blk_mq_init_tags+0x1b4/0x320
[ 548.725814][ T8024] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 548.725832][ T8024] blk_mq_alloc_sched_tags+0x1de/0x350
[ 548.725846][ T8024] blk_mq_alloc_sched_res+0x8e/0x250
[ 548.725857][ T8024] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 548.725871][ T8024] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 548.725889][ T8024] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 548.725928][ T8024] nbd_start_device+0x1b0/0xd70
[ 548.725952][ T8024] ? bpf_lsm_capable+0x9/0x10
[ 548.725975][ T8024] nbd_ioctl+0x219/0xda0
[ 548.725988][ T8024] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 548.726002][ T8024] ? __pfx_nbd_ioctl+0x10/0x10
[ 548.726012][ T8024] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 548.726034][ T8024] ? __pfx_nbd_ioctl+0x10/0x10
[ 548.726046][ T8024] blkdev_ioctl+0x5b0/0x6e0
[ 548.726057][ T8024] ? __pfx_blkdev_ioctl+0x10/0x10
[ 548.726067][ T8024] ? selinux_file_ioctl+0x180/0x270
[ 548.726081][ T8024] ? selinux_file_ioctl+0xb4/0x270
[ 548.726097][ T8024] ? __pfx_blkdev_ioctl+0x10/0x10
[ 548.726108][ T8024] __x64_sys_ioctl+0x18e/0x210
[ 548.726122][ T8024] do_syscall_64+0xcd/0xf80
[ 548.726139][ T8024] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 548.726151][ T8024] RIP: 0033:0x7fc8ec499569
[ 548.726161][ T8024] 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
[ 548.726171][ T8024] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 548.726182][ T8024] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 548.726189][ T8024] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 548.726195][ T8024] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 548.726202][ T8024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 548.726209][ T8024] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 548.726224][ T8024]
[ 549.032098][ T8024] block nbd0: shutting down sockets
[ 549.153069][ T8026] FAULT_INJECTION: forcing a failure.
[ 549.153069][ T8026] name failslab, interval 1, probability 0, space 0, times 0
[ 549.166239][ T8026] CPU: 0 UID: 0 PID: 8026 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 549.166256][ T8026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 549.166263][ T8026] Call Trace:
[ 549.166269][ T8026]
[ 549.166274][ T8026] dump_stack_lvl+0x16c/0x1f0
[ 549.166294][ T8026] should_fail_ex+0x512/0x640
[ 549.166305][ T8026] ? fs_reclaim_acquire+0xae/0x150
[ 549.166321][ T8026] should_failslab+0xc2/0x120
[ 549.166338][ T8026] __kmalloc_cache_node_noprof+0x83/0x830
[ 549.166352][ T8026] ? lockdep_init_map_type+0x5c/0x270
[ 549.166365][ T8026] ? sbitmap_queue_init_node+0x291/0x4a0
[ 549.166382][ T8026] ? sbitmap_queue_init_node+0x291/0x4a0
[ 549.166395][ T8026] sbitmap_queue_init_node+0x291/0x4a0
[ 549.166411][ T8026] blk_mq_init_tags+0x1b4/0x320
[ 549.166427][ T8026] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 549.166444][ T8026] blk_mq_alloc_sched_tags+0x1de/0x350
[ 549.166458][ T8026] blk_mq_alloc_sched_res+0x8e/0x250
[ 549.166470][ T8026] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 549.166483][ T8026] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 549.166500][ T8026] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 549.166522][ T8026] nbd_start_device+0x1b0/0xd70
[ 549.166536][ T8026] ? bpf_lsm_capable+0x9/0x10
[ 549.166552][ T8026] nbd_ioctl+0x219/0xda0
[ 549.166564][ T8026] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 549.166578][ T8026] ? __pfx_nbd_ioctl+0x10/0x10
[ 549.166588][ T8026] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 549.166610][ T8026] ? __pfx_nbd_ioctl+0x10/0x10
[ 549.166622][ T8026] blkdev_ioctl+0x5b0/0x6e0
[ 549.166633][ T8026] ? __pfx_blkdev_ioctl+0x10/0x10
[ 549.166643][ T8026] ? selinux_file_ioctl+0x180/0x270
[ 549.166659][ T8026] ? selinux_file_ioctl+0xb4/0x270
[ 549.166674][ T8026] ? __pfx_blkdev_ioctl+0x10/0x10
[ 549.166686][ T8026] __x64_sys_ioctl+0x18e/0x210
[ 549.166700][ T8026] do_syscall_64+0xcd/0xf80
[ 549.166717][ T8026] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 549.166729][ T8026] RIP: 0033:0x7fc8ec499569
[ 549.166740][ T8026] 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
[ 549.166750][ T8026] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 549.166761][ T8026] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 549.166768][ T8026] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 549.166774][ T8026] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 549.166781][ T8026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 549.166787][ T8026] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 549.166802][ T8026]
[ 549.461972][ T8026] block nbd0: shutting down sockets
[ 549.723010][ T8028] block nbd0: shutting down sockets
[ 550.012981][ T8030] block nbd0: shutting down sockets
[ 550.283315][ T8033] block nbd0: shutting down sockets
[ 550.533132][ T8035] block nbd0: shutting down sockets
[ 550.681793][ T8038] block nbd0: Device being setup by another task
[ 550.689682][ T8037] FAULT_INJECTION: forcing a failure.
[ 550.689682][ T8037] name failslab, interval 1, probability 0, space 0, times 0
[ 550.702314][ T8037] CPU: 1 UID: 0 PID: 8037 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 550.702338][ T8037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 550.702348][ T8037] Call Trace:
[ 550.702355][ T8037]
[ 550.702364][ T8037] dump_stack_lvl+0x16c/0x1f0
[ 550.702394][ T8037] should_fail_ex+0x512/0x640
[ 550.702409][ T8037] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 550.702428][ T8037] should_failslab+0xc2/0x120
[ 550.702451][ T8037] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 550.702470][ T8037] ? alloc_inode+0x64/0x240
[ 550.702492][ T8037] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 550.702510][ T8037] ? alloc_inode+0x64/0x240
[ 550.702527][ T8037] alloc_inode+0x64/0x240
[ 550.702544][ T8037] new_inode+0x22/0x1c0
[ 550.702567][ T8037] __debugfs_create_file+0x105/0x530
[ 550.702592][ T8037] debugfs_create_file_unsafe+0x3c/0x50
[ 550.702617][ T8037] debugfs_create_u32+0x70/0xa0
[ 550.702638][ T8037] nbd_start_device+0x485/0xd70
[ 550.702663][ T8037] ? bpf_lsm_capable+0x9/0x10
[ 550.702690][ T8037] nbd_ioctl+0x219/0xda0
[ 550.702712][ T8037] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 550.702741][ T8037] ? __pfx_nbd_ioctl+0x10/0x10
[ 550.702760][ T8037] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 550.702798][ T8037] ? __pfx_nbd_ioctl+0x10/0x10
[ 550.702820][ T8037] blkdev_ioctl+0x5b0/0x6e0
[ 550.702841][ T8037] ? __pfx_blkdev_ioctl+0x10/0x10
[ 550.702860][ T8037] ? selinux_file_ioctl+0x180/0x270
[ 550.702883][ T8037] ? selinux_file_ioctl+0xb4/0x270
[ 550.702908][ T8037] ? __pfx_blkdev_ioctl+0x10/0x10
[ 550.702927][ T8037] __x64_sys_ioctl+0x18e/0x210
[ 550.702951][ T8037] do_syscall_64+0xcd/0xf80
[ 550.702978][ T8037] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.702997][ T8037] RIP: 0033:0x7fc8ec499569
[ 550.703014][ T8037] 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
[ 550.703032][ T8037] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 550.703051][ T8037] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 550.703063][ T8037] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 550.703074][ T8037] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 550.703086][ T8037] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 550.703098][ T8037] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 550.703126][ T8037]
[ 550.703135][ T8037] debugfs: out of free dentries, can not create file 'timeout'
[ 550.981991][ T8037] block nbd0: shutting down sockets
[ 551.253430][ T8041] block nbd0: shutting down sockets
[ 551.352673][ T8043] FAULT_INJECTION: forcing a failure.
[ 551.352673][ T8043] name failslab, interval 1, probability 0, space 0, times 0
[ 551.365334][ T8043] CPU: 0 UID: 0 PID: 8043 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 551.365359][ T8043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 551.365370][ T8043] Call Trace:
[ 551.365378][ T8043]
[ 551.365387][ T8043] dump_stack_lvl+0x16c/0x1f0
[ 551.365415][ T8043] should_fail_ex+0x512/0x640
[ 551.365426][ T8043] ? fs_reclaim_acquire+0xae/0x150
[ 551.365445][ T8043] should_failslab+0xc2/0x120
[ 551.365460][ T8043] __kmalloc_cache_node_noprof+0x83/0x830
[ 551.365474][ T8043] ? lockdep_init_map_type+0x5c/0x270
[ 551.365488][ T8043] ? sbitmap_queue_init_node+0x291/0x4a0
[ 551.365505][ T8043] ? sbitmap_queue_init_node+0x291/0x4a0
[ 551.365519][ T8043] sbitmap_queue_init_node+0x291/0x4a0
[ 551.365534][ T8043] blk_mq_init_tags+0x1b4/0x320
[ 551.365550][ T8043] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 551.365568][ T8043] blk_mq_alloc_sched_tags+0x1de/0x350
[ 551.365581][ T8043] blk_mq_alloc_sched_res+0x8e/0x250
[ 551.365593][ T8043] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 551.365607][ T8043] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 551.365624][ T8043] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 551.365646][ T8043] nbd_start_device+0x1b0/0xd70
[ 551.365661][ T8043] ? bpf_lsm_capable+0x9/0x10
[ 551.365676][ T8043] nbd_ioctl+0x219/0xda0
[ 551.365694][ T8043] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 551.365707][ T8043] ? __pfx_nbd_ioctl+0x10/0x10
[ 551.365718][ T8043] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 551.365740][ T8043] ? __pfx_nbd_ioctl+0x10/0x10
[ 551.365752][ T8043] blkdev_ioctl+0x5b0/0x6e0
[ 551.365763][ T8043] ? __pfx_blkdev_ioctl+0x10/0x10
[ 551.365773][ T8043] ? selinux_file_ioctl+0x180/0x270
[ 551.365787][ T8043] ? selinux_file_ioctl+0xb4/0x270
[ 551.365802][ T8043] ? __pfx_blkdev_ioctl+0x10/0x10
[ 551.365813][ T8043] __x64_sys_ioctl+0x18e/0x210
[ 551.365827][ T8043] do_syscall_64+0xcd/0xf80
[ 551.365844][ T8043] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 551.365856][ T8043] RIP: 0033:0x7fc8ec499569
[ 551.365866][ T8043] 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
[ 551.365876][ T8043] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 551.365887][ T8043] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 551.365894][ T8043] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 551.365901][ T8043] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 551.365908][ T8043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 551.365914][ T8043] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 551.365930][ T8043]
[ 551.692004][ T8043] block nbd0: shutting down sockets
[ 551.761823][ T8045] block nbd0: Device being setup by another task
[ 551.821739][ T8046] block nbd0: Device being setup by another task
[ 551.931744][ T8049] block nbd0: Device being setup by another task
[ 551.938853][ T8048] FAULT_INJECTION: forcing a failure.
[ 551.938853][ T8048] name failslab, interval 1, probability 0, space 0, times 0
[ 551.951559][ T8048] CPU: 1 UID: 0 PID: 8048 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 551.951585][ T8048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 551.951595][ T8048] Call Trace:
[ 551.951604][ T8048]
[ 551.951612][ T8048] dump_stack_lvl+0x16c/0x1f0
[ 551.951649][ T8048] should_fail_ex+0x512/0x640
[ 551.951665][ T8048] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 551.951689][ T8048] should_failslab+0xc2/0x120
[ 551.951706][ T8048] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 551.951718][ T8048] ? alloc_inode+0x64/0x240
[ 551.951734][ T8048] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 551.951746][ T8048] ? alloc_inode+0x64/0x240
[ 551.951756][ T8048] alloc_inode+0x64/0x240
[ 551.951768][ T8048] new_inode+0x22/0x1c0
[ 551.951782][ T8048] __debugfs_create_file+0x105/0x530
[ 551.951796][ T8048] debugfs_create_file_unsafe+0x3c/0x50
[ 551.951810][ T8048] debugfs_create_u32+0x70/0xa0
[ 551.951823][ T8048] nbd_start_device+0x485/0xd70
[ 551.951837][ T8048] ? bpf_lsm_capable+0x9/0x10
[ 551.951853][ T8048] nbd_ioctl+0x219/0xda0
[ 551.951866][ T8048] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 551.951879][ T8048] ? __pfx_nbd_ioctl+0x10/0x10
[ 551.951889][ T8048] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 551.951911][ T8048] ? __pfx_nbd_ioctl+0x10/0x10
[ 551.951923][ T8048] blkdev_ioctl+0x5b0/0x6e0
[ 551.951935][ T8048] ? __pfx_blkdev_ioctl+0x10/0x10
[ 551.951945][ T8048] ? selinux_file_ioctl+0x180/0x270
[ 551.951959][ T8048] ? selinux_file_ioctl+0xb4/0x270
[ 551.951974][ T8048] ? __pfx_blkdev_ioctl+0x10/0x10
[ 551.951986][ T8048] __x64_sys_ioctl+0x18e/0x210
[ 551.951999][ T8048] do_syscall_64+0xcd/0xf80
[ 551.952017][ T8048] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 551.952028][ T8048] RIP: 0033:0x7fc8ec499569
[ 551.952038][ T8048] 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
[ 551.952049][ T8048] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 551.952060][ T8048] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 551.952067][ T8048] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 551.952074][ T8048] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 551.952080][ T8048] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 551.952087][ T8048] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 551.952102][ T8048]
[ 552.194956][ T8048] debugfs: out of free dentries, can not create file 'timeout'
[ 552.310311][ T8048] block nbd0: shutting down sockets
[ 552.574349][ T8051] block nbd0: shutting down sockets
[ 552.842405][ T8054] block nbd0: shutting down sockets
[ 552.962631][ T8056] FAULT_INJECTION: forcing a failure.
[ 552.962631][ T8056] name failslab, interval 1, probability 0, space 0, times 0
[ 552.975312][ T8056] CPU: 1 UID: 0 PID: 8056 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 552.975336][ T8056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 552.975347][ T8056] Call Trace:
[ 552.975354][ T8056]
[ 552.975360][ T8056] dump_stack_lvl+0x16c/0x1f0
[ 552.975390][ T8056] should_fail_ex+0x512/0x640
[ 552.975407][ T8056] ? fs_reclaim_acquire+0xae/0x150
[ 552.975435][ T8056] should_failslab+0xc2/0x120
[ 552.975458][ T8056] __kmalloc_cache_node_noprof+0x83/0x830
[ 552.975482][ T8056] ? lockdep_init_map_type+0x5c/0x270
[ 552.975506][ T8056] ? sbitmap_queue_init_node+0x291/0x4a0
[ 552.975535][ T8056] ? sbitmap_queue_init_node+0x291/0x4a0
[ 552.975557][ T8056] sbitmap_queue_init_node+0x291/0x4a0
[ 552.975581][ T8056] blk_mq_init_tags+0x1b4/0x320
[ 552.975606][ T8056] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 552.975639][ T8056] blk_mq_alloc_sched_tags+0x1de/0x350
[ 552.975663][ T8056] blk_mq_alloc_sched_res+0x8e/0x250
[ 552.975684][ T8056] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 552.975710][ T8056] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 552.975741][ T8056] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 552.975778][ T8056] nbd_start_device+0x1b0/0xd70
[ 552.975802][ T8056] ? bpf_lsm_capable+0x9/0x10
[ 552.975829][ T8056] nbd_ioctl+0x219/0xda0
[ 552.975850][ T8056] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 552.975872][ T8056] ? __pfx_nbd_ioctl+0x10/0x10
[ 552.975891][ T8056] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 552.975929][ T8056] ? __pfx_nbd_ioctl+0x10/0x10
[ 552.975950][ T8056] blkdev_ioctl+0x5b0/0x6e0
[ 552.975969][ T8056] ? __pfx_blkdev_ioctl+0x10/0x10
[ 552.975986][ T8056] ? selinux_file_ioctl+0x180/0x270
[ 552.976010][ T8056] ? selinux_file_ioctl+0xb4/0x270
[ 552.976036][ T8056] ? __pfx_blkdev_ioctl+0x10/0x10
[ 552.976057][ T8056] __x64_sys_ioctl+0x18e/0x210
[ 552.976080][ T8056] do_syscall_64+0xcd/0xf80
[ 552.976107][ T8056] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 552.976128][ T8056] RIP: 0033:0x7fc8ec499569
[ 552.976144][ T8056] 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
[ 552.976161][ T8056] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 552.976180][ T8056] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 552.976193][ T8056] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 552.976204][ T8056] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 552.976215][ T8056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 552.976225][ T8056] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 552.976249][ T8056]
[ 553.271896][ T8056] block nbd0: shutting down sockets
[ 553.532881][ T8059] block nbd0: shutting down sockets
[ 553.792974][ T8062] block nbd0: shutting down sockets
[ 554.084159][ T8064] block nbd0: shutting down sockets
[ 554.191804][ T8068] block nbd0: Device being setup by another task
[ 554.198899][ T8067] FAULT_INJECTION: forcing a failure.
[ 554.198899][ T8067] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 554.212119][ T8067] CPU: 1 UID: 0 PID: 8067 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 554.212141][ T8067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 554.212148][ T8067] Call Trace:
[ 554.212153][ T8067]
[ 554.212159][ T8067] dump_stack_lvl+0x16c/0x1f0
[ 554.212179][ T8067] should_fail_ex+0x512/0x640
[ 554.212193][ T8067] should_fail_alloc_page+0xe7/0x130
[ 554.212209][ T8067] prepare_alloc_pages+0x401/0x670
[ 554.212228][ T8067] __alloc_frozen_pages_noprof+0x18b/0x2430
[ 554.212242][ T8067] ? stack_trace_save+0x8e/0xc0
[ 554.212255][ T8067] ? __pfx_stack_trace_save+0x10/0x10
[ 554.212267][ T8067] ? stack_depot_save_flags+0x29/0x9b0
[ 554.212281][ T8067] ? kasan_save_stack+0x42/0x60
[ 554.212294][ T8067] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 554.212305][ T8067] ? kmem_cache_alloc_noprof+0x25e/0x770
[ 554.212316][ T8067] ? inode_init_always_gfp+0xced/0x1040
[ 554.212332][ T8067] ? new_inode+0x22/0x1c0
[ 554.212343][ T8067] ? __debugfs_create_file+0x105/0x530
[ 554.212355][ T8067] ? debugfs_create_file_unsafe+0x3c/0x50
[ 554.212366][ T8067] ? debugfs_create_u64+0x70/0xa0
[ 554.212378][ T8067] ? nbd_start_device+0x46c/0xd70
[ 554.212390][ T8067] ? nbd_ioctl+0x219/0xda0
[ 554.212400][ T8067] ? look_up_lock_class+0x59/0x130
[ 554.212420][ T8067] ? __lock_acquire+0x436/0x2890
[ 554.212432][ T8067] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 554.212447][ T8067] ? policy_nodemask+0xea/0x4e0
[ 554.212463][ T8067] alloc_pages_mpol+0x1fb/0x550
[ 554.212478][ T8067] ? __pfx_alloc_pages_mpol+0x10/0x10
[ 554.212494][ T8067] ? find_held_lock+0x2b/0x80
[ 554.212512][ T8067] alloc_pages_noprof+0x131/0x390
[ 554.212527][ T8067] get_free_pages_noprof+0x10/0xb0
[ 554.212541][ T8067] inode_doinit_with_dentry+0x8d5/0x12e0
[ 554.212559][ T8067] ? inode_set_ctime_current+0x29a/0x7f0
[ 554.212576][ T8067] ? __pfx_inode_doinit_with_dentry+0x10/0x10
[ 554.212593][ T8067] ? __pfx_inode_set_ctime_current+0x10/0x10
[ 554.212621][ T8067] ? new_inode+0x15a/0x1c0
[ 554.212643][ T8067] selinux_d_instantiate+0x26/0x30
[ 554.212662][ T8067] security_d_instantiate+0x142/0x1a0
[ 554.212678][ T8067] d_make_persistent+0x6a/0x190
[ 554.212691][ T8067] __debugfs_create_file+0x26b/0x530
[ 554.212705][ T8067] debugfs_create_file_unsafe+0x3c/0x50
[ 554.212719][ T8067] debugfs_create_u64+0x70/0xa0
[ 554.212730][ T8067] nbd_start_device+0x46c/0xd70
[ 554.212743][ T8067] ? bpf_lsm_capable+0x9/0x10
[ 554.212759][ T8067] nbd_ioctl+0x219/0xda0
[ 554.212772][ T8067] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 554.212784][ T8067] ? __pfx_nbd_ioctl+0x10/0x10
[ 554.212795][ T8067] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 554.212816][ T8067] ? __pfx_nbd_ioctl+0x10/0x10
[ 554.212828][ T8067] blkdev_ioctl+0x5b0/0x6e0
[ 554.212840][ T8067] ? __pfx_blkdev_ioctl+0x10/0x10
[ 554.212850][ T8067] ? selinux_file_ioctl+0x180/0x270
[ 554.212863][ T8067] ? selinux_file_ioctl+0xb4/0x270
[ 554.212879][ T8067] ? __pfx_blkdev_ioctl+0x10/0x10
[ 554.212890][ T8067] __x64_sys_ioctl+0x18e/0x210
[ 554.212904][ T8067] do_syscall_64+0xcd/0xf80
[ 554.212920][ T8067] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 554.212932][ T8067] RIP: 0033:0x7fc8ec499569
[ 554.212941][ T8067] 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
[ 554.212952][ T8067] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 554.212962][ T8067] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 554.212970][ T8067] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 554.212976][ T8067] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 554.212983][ T8067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 554.212990][ T8067] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 554.213005][ T8067]
[ 554.705750][ T8067] block nbd0: shutting down sockets
[ 554.972393][ T8070] block nbd0: shutting down sockets
[ 555.232154][ T8072] block nbd0: shutting down sockets
[ 555.502803][ T8074] block nbd0: shutting down sockets
[ 555.651749][ T8079] block nbd0: Device being setup by another task
[ 555.658782][ T8078] FAULT_INJECTION: forcing a failure.
[ 555.658782][ T8078] name failslab, interval 1, probability 0, space 0, times 0
[ 555.671453][ T8078] CPU: 0 UID: 0 PID: 8078 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 555.671478][ T8078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 555.671490][ T8078] Call Trace:
[ 555.671496][ T8078]
[ 555.671503][ T8078] dump_stack_lvl+0x16c/0x1f0
[ 555.671529][ T8078] should_fail_ex+0x512/0x640
[ 555.671545][ T8078] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 555.671567][ T8078] should_failslab+0xc2/0x120
[ 555.671590][ T8078] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 555.671609][ T8078] ? alloc_inode+0x64/0x240
[ 555.671635][ T8078] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 555.671654][ T8078] ? alloc_inode+0x64/0x240
[ 555.671669][ T8078] alloc_inode+0x64/0x240
[ 555.671688][ T8078] new_inode+0x22/0x1c0
[ 555.671711][ T8078] __debugfs_create_file+0x105/0x530
[ 555.671736][ T8078] debugfs_create_file_unsafe+0x3c/0x50
[ 555.671760][ T8078] debugfs_create_u32+0x70/0xa0
[ 555.671780][ T8078] nbd_start_device+0x485/0xd70
[ 555.671804][ T8078] ? bpf_lsm_capable+0x9/0x10
[ 555.671830][ T8078] nbd_ioctl+0x219/0xda0
[ 555.671852][ T8078] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 555.671873][ T8078] ? __pfx_nbd_ioctl+0x10/0x10
[ 555.671890][ T8078] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 555.671928][ T8078] ? __pfx_nbd_ioctl+0x10/0x10
[ 555.671950][ T8078] blkdev_ioctl+0x5b0/0x6e0
[ 555.671970][ T8078] ? __pfx_blkdev_ioctl+0x10/0x10
[ 555.671988][ T8078] ? selinux_file_ioctl+0x180/0x270
[ 555.672011][ T8078] ? selinux_file_ioctl+0xb4/0x270
[ 555.672036][ T8078] ? __pfx_blkdev_ioctl+0x10/0x10
[ 555.672057][ T8078] __x64_sys_ioctl+0x18e/0x210
[ 555.672081][ T8078] do_syscall_64+0xcd/0xf80
[ 555.672109][ T8078] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 555.672129][ T8078] RIP: 0033:0x7fc8ec499569
[ 555.672145][ 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
[ 555.672163][ T8078] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 555.672182][ T8078] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 555.672195][ T8078] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 555.672207][ T8078] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 555.672220][ T8078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 555.672236][ T8078] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 555.672282][ T8078]
[ 555.913668][ T8078] debugfs: out of free dentries, can not create file 'timeout'
[ 555.978514][ T8078] block nbd0: shutting down sockets
[ 556.242652][ T8081] block nbd0: shutting down sockets
[ 556.502641][ T8084] block nbd0: shutting down sockets
[ 556.742777][ T8086] block nbd0: shutting down sockets
[ 557.032905][ T8088] block nbd0: shutting down sockets
[ 557.292984][ T8093] block nbd0: shutting down sockets
[ 557.563996][ T8095] block nbd0: shutting down sockets
[ 557.823794][ T8097] block nbd0: shutting down sockets
[ 557.941842][ T8100] block nbd0: Device being setup by another task
[ 557.949072][ T8099] FAULT_INJECTION: forcing a failure.
[ 557.949072][ T8099] name failslab, interval 1, probability 0, space 0, times 0
[ 557.961772][ T8099] CPU: 0 UID: 0 PID: 8099 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 557.961816][ T8099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 557.961827][ T8099] Call Trace:
[ 557.961832][ T8099]
[ 557.961837][ T8099] dump_stack_lvl+0x16c/0x1f0
[ 557.961858][ T8099] should_fail_ex+0x512/0x640
[ 557.961868][ T8099] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 557.961883][ T8099] should_failslab+0xc2/0x120
[ 557.961898][ T8099] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 557.961909][ T8099] ? __d_lookup+0x25c/0x4a0
[ 557.961922][ T8099] ? __d_alloc+0x35/0xa80
[ 557.961934][ T8099] ? __d_alloc+0x35/0xa80
[ 557.961942][ T8099] __d_alloc+0x35/0xa80
[ 557.961953][ T8099] d_alloc+0x4a/0x1e0
[ 557.961964][ T8099] lookup_one_qstr_excl+0x175/0x250
[ 557.961978][ T8099] start_dirop+0x59/0xb0
[ 557.961993][ T8099] simple_start_creating+0xf4/0x100
[ 557.962009][ T8099] ? __pfx_simple_start_creating+0x10/0x10
[ 557.962022][ T8099] ? do_raw_spin_unlock+0x172/0x230
[ 557.962041][ T8099] ? simple_pin_fs+0xa3/0x190
[ 557.962055][ T8099] debugfs_start_creating.part.0+0x86/0x1c0
[ 557.962069][ T8099] __debugfs_create_file+0xb3/0x530
[ 557.962083][ T8099] debugfs_create_file_unsafe+0x3c/0x50
[ 557.962097][ T8099] debugfs_create_u32+0x70/0xa0
[ 557.962109][ T8099] nbd_start_device+0x485/0xd70
[ 557.962123][ T8099] ? bpf_lsm_capable+0x9/0x10
[ 557.962139][ T8099] nbd_ioctl+0x219/0xda0
[ 557.962152][ T8099] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 557.962165][ T8099] ? __pfx_nbd_ioctl+0x10/0x10
[ 557.962176][ T8099] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 557.962198][ T8099] ? __pfx_nbd_ioctl+0x10/0x10
[ 557.962210][ T8099] blkdev_ioctl+0x5b0/0x6e0
[ 557.962222][ T8099] ? __pfx_blkdev_ioctl+0x10/0x10
[ 557.962232][ T8099] ? selinux_file_ioctl+0x180/0x270
[ 557.962245][ T8099] ? selinux_file_ioctl+0xb4/0x270
[ 557.962260][ T8099] ? __pfx_blkdev_ioctl+0x10/0x10
[ 557.962272][ T8099] __x64_sys_ioctl+0x18e/0x210
[ 557.962285][ T8099] do_syscall_64+0xcd/0xf80
[ 557.962302][ T8099] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 557.962314][ T8099] RIP: 0033:0x7fc8ec499569
[ 557.962324][ T8099] 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
[ 557.962334][ T8099] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 557.962346][ T8099] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 557.962353][ T8099] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 557.962360][ T8099] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 557.962366][ T8099] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 557.962373][ T8099] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 557.962389][ T8099]
[ 558.284787][ T8099] block nbd0: shutting down sockets
[ 558.391734][ T8103] block nbd0: Device being setup by another task
[ 558.398891][ T8102] FAULT_INJECTION: forcing a failure.
[ 558.398891][ T8102] name failslab, interval 1, probability 0, space 0, times 0
[ 558.411718][ T8102] CPU: 1 UID: 0 PID: 8102 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 558.411744][ T8102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 558.411754][ T8102] Call Trace:
[ 558.411762][ T8102]
[ 558.411768][ T8102] dump_stack_lvl+0x16c/0x1f0
[ 558.411798][ T8102] should_fail_ex+0x512/0x640
[ 558.411817][ T8102] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 558.411842][ T8102] should_failslab+0xc2/0x120
[ 558.411867][ T8102] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 558.411888][ T8102] ? alloc_inode+0x64/0x240
[ 558.411909][ T8102] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 558.411926][ T8102] ? alloc_inode+0x64/0x240
[ 558.411942][ T8102] alloc_inode+0x64/0x240
[ 558.411959][ T8102] new_inode+0x22/0x1c0
[ 558.411982][ T8102] __debugfs_create_file+0x105/0x530
[ 558.412008][ T8102] debugfs_create_file_unsafe+0x3c/0x50
[ 558.412033][ T8102] debugfs_create_u32+0x70/0xa0
[ 558.412055][ T8102] nbd_start_device+0x485/0xd70
[ 558.412079][ T8102] ? bpf_lsm_capable+0x9/0x10
[ 558.412106][ T8102] nbd_ioctl+0x219/0xda0
[ 558.412127][ T8102] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 558.412150][ T8102] ? __pfx_nbd_ioctl+0x10/0x10
[ 558.412174][ T8102] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 558.412212][ T8102] ? __pfx_nbd_ioctl+0x10/0x10
[ 558.412233][ T8102] blkdev_ioctl+0x5b0/0x6e0
[ 558.412252][ T8102] ? __pfx_blkdev_ioctl+0x10/0x10
[ 558.412270][ T8102] ? selinux_file_ioctl+0x180/0x270
[ 558.412293][ T8102] ? selinux_file_ioctl+0xb4/0x270
[ 558.412319][ T8102] ? __pfx_blkdev_ioctl+0x10/0x10
[ 558.412339][ T8102] __x64_sys_ioctl+0x18e/0x210
[ 558.412364][ T8102] do_syscall_64+0xcd/0xf80
[ 558.412391][ T8102] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 558.412412][ T8102] RIP: 0033:0x7fc8ec499569
[ 558.412427][ 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
[ 558.412444][ T8102] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 558.412461][ T8102] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 558.412469][ T8102] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 558.412476][ T8102] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 558.412482][ T8102] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 558.412489][ T8102] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 558.412504][ T8102]
[ 558.413828][ T8102] debugfs: out of free dentries, can not create file 'timeout'
[ 558.702018][ T8102] block nbd0: shutting down sockets
[ 558.963831][ T8106] block nbd0: shutting down sockets
[ 559.081818][ T8109] block nbd0: Device being setup by another task
[ 559.088873][ T8108] FAULT_INJECTION: forcing a failure.
[ 559.088873][ T8108] name failslab, interval 1, probability 0, space 0, times 0
[ 559.101535][ T8108] CPU: 1 UID: 0 PID: 8108 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 559.101559][ T8108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 559.101570][ T8108] Call Trace:
[ 559.101576][ T8108]
[ 559.101581][ T8108] dump_stack_lvl+0x16c/0x1f0
[ 559.101607][ T8108] should_fail_ex+0x512/0x640
[ 559.101634][ T8108] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 559.101657][ T8108] should_failslab+0xc2/0x120
[ 559.101680][ T8108] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 559.101699][ T8108] ? alloc_inode+0x64/0x240
[ 559.101724][ T8108] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 559.101742][ T8108] ? alloc_inode+0x64/0x240
[ 559.101760][ T8108] alloc_inode+0x64/0x240
[ 559.101780][ T8108] new_inode+0x22/0x1c0
[ 559.101804][ T8108] __debugfs_create_file+0x105/0x530
[ 559.101829][ T8108] debugfs_create_file_unsafe+0x3c/0x50
[ 559.101854][ T8108] debugfs_create_u32+0x70/0xa0
[ 559.101875][ T8108] nbd_start_device+0x485/0xd70
[ 559.101900][ T8108] ? bpf_lsm_capable+0x9/0x10
[ 559.101927][ T8108] nbd_ioctl+0x219/0xda0
[ 559.101948][ T8108] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 559.101971][ T8108] ? __pfx_nbd_ioctl+0x10/0x10
[ 559.101989][ T8108] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 559.102028][ T8108] ? __pfx_nbd_ioctl+0x10/0x10
[ 559.102049][ T8108] blkdev_ioctl+0x5b0/0x6e0
[ 559.102070][ T8108] ? __pfx_blkdev_ioctl+0x10/0x10
[ 559.102088][ T8108] ? selinux_file_ioctl+0x180/0x270
[ 559.102112][ T8108] ? selinux_file_ioctl+0xb4/0x270
[ 559.102138][ T8108] ? __pfx_blkdev_ioctl+0x10/0x10
[ 559.102159][ T8108] __x64_sys_ioctl+0x18e/0x210
[ 559.102182][ T8108] do_syscall_64+0xcd/0xf80
[ 559.102208][ T8108] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 559.102222][ T8108] RIP: 0033:0x7fc8ec499569
[ 559.102233][ 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
[ 559.102243][ T8108] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 559.102254][ T8108] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 559.102262][ T8108] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 559.102268][ T8108] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 559.102275][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 559.102282][ T8108] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 559.102297][ T8108]
[ 559.343162][ T8108] debugfs: out of free dentries, can not create file 'timeout'
[ 559.414722][ T8108] block nbd0: shutting down sockets
[ 559.662657][ T8111] block nbd0: shutting down sockets
[ 559.912815][ T8113] block nbd0: shutting down sockets
[ 560.021955][ T8116] block nbd0: Device being setup by another task
[ 560.029385][ T8115] FAULT_INJECTION: forcing a failure.
[ 560.029385][ T8115] name failslab, interval 1, probability 0, space 0, times 0
[ 560.042041][ T8115] CPU: 0 UID: 0 PID: 8115 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 560.042064][ T8115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 560.042074][ T8115] Call Trace:
[ 560.042079][ T8115]
[ 560.042086][ T8115] dump_stack_lvl+0x16c/0x1f0
[ 560.042114][ T8115] should_fail_ex+0x512/0x640
[ 560.042130][ T8115] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 560.042152][ T8115] should_failslab+0xc2/0x120
[ 560.042174][ T8115] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 560.042194][ T8115] ? alloc_inode+0x64/0x240
[ 560.042217][ T8115] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 560.042236][ T8115] ? alloc_inode+0x64/0x240
[ 560.042254][ T8115] alloc_inode+0x64/0x240
[ 560.042275][ T8115] new_inode+0x22/0x1c0
[ 560.042298][ T8115] __debugfs_create_file+0x105/0x530
[ 560.042323][ T8115] debugfs_create_file_unsafe+0x3c/0x50
[ 560.042347][ T8115] debugfs_create_u32+0x70/0xa0
[ 560.042369][ T8115] nbd_start_device+0x485/0xd70
[ 560.042392][ T8115] ? bpf_lsm_capable+0x9/0x10
[ 560.042419][ T8115] nbd_ioctl+0x219/0xda0
[ 560.042441][ T8115] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 560.042462][ T8115] ? __pfx_nbd_ioctl+0x10/0x10
[ 560.042482][ T8115] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 560.042521][ T8115] ? __pfx_nbd_ioctl+0x10/0x10
[ 560.042542][ T8115] blkdev_ioctl+0x5b0/0x6e0
[ 560.042562][ T8115] ? __pfx_blkdev_ioctl+0x10/0x10
[ 560.042579][ T8115] ? selinux_file_ioctl+0x180/0x270
[ 560.042611][ T8115] ? selinux_file_ioctl+0xb4/0x270
[ 560.042636][ T8115] ? __pfx_blkdev_ioctl+0x10/0x10
[ 560.042656][ T8115] __x64_sys_ioctl+0x18e/0x210
[ 560.042681][ T8115] do_syscall_64+0xcd/0xf80
[ 560.042708][ T8115] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 560.042728][ T8115] RIP: 0033:0x7fc8ec499569
[ 560.042744][ T8115] 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
[ 560.042762][ T8115] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 560.042779][ T8115] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 560.042792][ T8115] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 560.042803][ T8115] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 560.042816][ T8115] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 560.042827][ T8115] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 560.042854][ T8115]
[ 560.042863][ T8115] debugfs: out of free dentries, can not create file 'timeout'
[ 560.342721][ T8115] block nbd0: shutting down sockets
[ 560.621856][ T8118] block nbd0: shutting down sockets
[ 560.801733][ T8121] block nbd0: Device being setup by another task
[ 560.808650][ T8120] FAULT_INJECTION: forcing a failure.
[ 560.808650][ T8120] name failslab, interval 1, probability 0, space 0, times 0
[ 560.821269][ T8120] CPU: 1 UID: 0 PID: 8120 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 560.821285][ T8120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 560.821293][ T8120] Call Trace:
[ 560.821299][ T8120]
[ 560.821304][ T8120] dump_stack_lvl+0x16c/0x1f0
[ 560.821324][ T8120] should_fail_ex+0x512/0x640
[ 560.821335][ T8120] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 560.821349][ T8120] should_failslab+0xc2/0x120
[ 560.821365][ T8120] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 560.821377][ T8120] ? alloc_inode+0x64/0x240
[ 560.821392][ T8120] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 560.821404][ T8120] ? alloc_inode+0x64/0x240
[ 560.821414][ T8120] alloc_inode+0x64/0x240
[ 560.821427][ T8120] new_inode+0x22/0x1c0
[ 560.821440][ T8120] __debugfs_create_file+0x105/0x530
[ 560.821455][ T8120] debugfs_create_file_unsafe+0x3c/0x50
[ 560.821469][ T8120] debugfs_create_u32+0x70/0xa0
[ 560.821481][ T8120] nbd_start_device+0x485/0xd70
[ 560.821496][ T8120] ? bpf_lsm_capable+0x9/0x10
[ 560.821513][ T8120] nbd_ioctl+0x219/0xda0
[ 560.821525][ T8120] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 560.821538][ T8120] ? __pfx_nbd_ioctl+0x10/0x10
[ 560.821549][ T8120] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 560.821571][ T8120] ? __pfx_nbd_ioctl+0x10/0x10
[ 560.821583][ T8120] blkdev_ioctl+0x5b0/0x6e0
[ 560.821601][ T8120] ? __pfx_blkdev_ioctl+0x10/0x10
[ 560.821618][ T8120] ? selinux_file_ioctl+0x180/0x270
[ 560.821642][ T8120] ? selinux_file_ioctl+0xb4/0x270
[ 560.821666][ T8120] ? __pfx_blkdev_ioctl+0x10/0x10
[ 560.821684][ T8120] __x64_sys_ioctl+0x18e/0x210
[ 560.821706][ T8120] do_syscall_64+0xcd/0xf80
[ 560.821729][ T8120] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 560.821743][ T8120] RIP: 0033:0x7fc8ec499569
[ 560.821761][ 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
[ 560.821774][ T8120] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 560.821788][ T8120] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 560.821797][ T8120] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 560.821805][ T8120] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 560.821814][ T8120] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 560.821823][ T8120] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 560.821849][ T8120]
[ 561.063378][ T8120] debugfs: out of free dentries, can not create file 'timeout'
[ 561.121966][ T8120] block nbd0: shutting down sockets
[ 561.362341][ T8124] block nbd0: shutting down sockets
[ 561.622750][ T8126] block nbd0: shutting down sockets
[ 561.882853][ T8128] block nbd0: shutting down sockets
[ 561.981751][ T8131] block nbd0: Device being setup by another task
[ 561.988914][ T8130] FAULT_INJECTION: forcing a failure.
[ 561.988914][ T8130] name failslab, interval 1, probability 0, space 0, times 0
[ 562.001582][ T8130] CPU: 1 UID: 0 PID: 8130 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 562.001605][ T8130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 562.001615][ T8130] Call Trace:
[ 562.001624][ T8130]
[ 562.001631][ T8130] dump_stack_lvl+0x16c/0x1f0
[ 562.001659][ T8130] should_fail_ex+0x512/0x640
[ 562.001675][ T8130] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 562.001698][ T8130] should_failslab+0xc2/0x120
[ 562.001720][ T8130] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 562.001737][ T8130] ? alloc_inode+0x64/0x240
[ 562.001760][ T8130] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 562.001777][ T8130] ? alloc_inode+0x64/0x240
[ 562.001792][ T8130] alloc_inode+0x64/0x240
[ 562.001811][ T8130] new_inode+0x22/0x1c0
[ 562.001832][ T8130] __debugfs_create_file+0x105/0x530
[ 562.001854][ T8130] debugfs_create_file_unsafe+0x3c/0x50
[ 562.001878][ T8130] debugfs_create_u32+0x70/0xa0
[ 562.001899][ T8130] nbd_start_device+0x485/0xd70
[ 562.001923][ T8130] ? bpf_lsm_capable+0x9/0x10
[ 562.001950][ T8130] nbd_ioctl+0x219/0xda0
[ 562.001971][ T8130] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 562.001993][ T8130] ? __pfx_nbd_ioctl+0x10/0x10
[ 562.002011][ T8130] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 562.002047][ T8130] ? __pfx_nbd_ioctl+0x10/0x10
[ 562.002068][ T8130] blkdev_ioctl+0x5b0/0x6e0
[ 562.002089][ T8130] ? __pfx_blkdev_ioctl+0x10/0x10
[ 562.002107][ T8130] ? selinux_file_ioctl+0x180/0x270
[ 562.002131][ T8130] ? selinux_file_ioctl+0xb4/0x270
[ 562.002157][ T8130] ? __pfx_blkdev_ioctl+0x10/0x10
[ 562.002178][ T8130] __x64_sys_ioctl+0x18e/0x210
[ 562.002202][ T8130] do_syscall_64+0xcd/0xf80
[ 562.002229][ T8130] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 562.002249][ T8130] RIP: 0033:0x7fc8ec499569
[ 562.002265][ 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
[ 562.002284][ T8130] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 562.002302][ T8130] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 562.002315][ T8130] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 562.002326][ T8130] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 562.002339][ T8130] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 562.002349][ T8130] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 562.002375][ T8130]
[ 562.243180][ T8130] debugfs: out of free dentries, can not create file 'timeout'
[ 562.324373][ T8130] block nbd0: shutting down sockets
[ 562.431801][ T8134] block nbd0: Device being setup by another task
[ 562.439186][ T8133] FAULT_INJECTION: forcing a failure.
[ 562.439186][ T8133] name failslab, interval 1, probability 0, space 0, times 0
[ 562.452099][ T8133] CPU: 0 UID: 0 PID: 8133 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 562.452124][ T8133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 562.452136][ T8133] Call Trace:
[ 562.452143][ T8133]
[ 562.452151][ T8133] dump_stack_lvl+0x16c/0x1f0
[ 562.452181][ T8133] should_fail_ex+0x512/0x640
[ 562.452199][ T8133] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 562.452215][ T8133] should_failslab+0xc2/0x120
[ 562.452231][ T8133] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 562.452243][ T8133] ? alloc_inode+0x64/0x240
[ 562.452257][ T8133] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 562.452269][ T8133] ? alloc_inode+0x64/0x240
[ 562.452279][ T8133] alloc_inode+0x64/0x240
[ 562.452291][ T8133] new_inode+0x22/0x1c0
[ 562.452304][ T8133] __debugfs_create_file+0x105/0x530
[ 562.452319][ T8133] debugfs_create_file_unsafe+0x3c/0x50
[ 562.452340][ T8133] debugfs_create_u32+0x70/0xa0
[ 562.452353][ T8133] nbd_start_device+0x485/0xd70
[ 562.452367][ T8133] ? bpf_lsm_capable+0x9/0x10
[ 562.452383][ T8133] nbd_ioctl+0x219/0xda0
[ 562.452396][ T8133] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 562.452410][ T8133] ? __pfx_nbd_ioctl+0x10/0x10
[ 562.452420][ T8133] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 562.452442][ T8133] ? __pfx_nbd_ioctl+0x10/0x10
[ 562.452454][ T8133] blkdev_ioctl+0x5b0/0x6e0
[ 562.452466][ T8133] ? __pfx_blkdev_ioctl+0x10/0x10
[ 562.452476][ T8133] ? selinux_file_ioctl+0x180/0x270
[ 562.452490][ T8133] ? selinux_file_ioctl+0xb4/0x270
[ 562.452505][ T8133] ? __pfx_blkdev_ioctl+0x10/0x10
[ 562.452516][ T8133] __x64_sys_ioctl+0x18e/0x210
[ 562.452530][ T8133] do_syscall_64+0xcd/0xf80
[ 562.452547][ T8133] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 562.452558][ T8133] RIP: 0033:0x7fc8ec499569
[ 562.452568][ T8133] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 562.452579][ T8133] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 562.452592][ T8133] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 562.452599][ T8133] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 562.452606][ T8133] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 562.452612][ T8133] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 562.452619][ T8133] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 562.452634][ T8133]
[ 562.452639][ T8133] debugfs: out of free dentries, can not create file 'timeout'
[ 562.742000][ T8133] block nbd0: shutting down sockets
[ 562.747639][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[ 562.761699][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
[ 563.052721][ T8136] block nbd0: shutting down sockets
[ 563.191804][ T8140] block nbd0: Device being setup by another task
[ 563.198901][ T8139] FAULT_INJECTION: forcing a failure.
[ 563.198901][ T8139] name failslab, interval 1, probability 0, space 0, times 0
[ 563.211540][ T8139] CPU: 0 UID: 0 PID: 8139 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 563.211563][ T8139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 563.211573][ T8139] Call Trace:
[ 563.211578][ T8139]
[ 563.211585][ T8139] dump_stack_lvl+0x16c/0x1f0
[ 563.211612][ T8139] should_fail_ex+0x512/0x640
[ 563.211631][ T8139] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 563.211655][ T8139] should_failslab+0xc2/0x120
[ 563.211676][ T8139] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 563.211695][ T8139] ? alloc_inode+0x64/0x240
[ 563.211719][ T8139] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 563.211735][ T8139] ? alloc_inode+0x64/0x240
[ 563.211751][ T8139] alloc_inode+0x64/0x240
[ 563.211772][ T8139] new_inode+0x22/0x1c0
[ 563.211795][ T8139] __debugfs_create_file+0x105/0x530
[ 563.211820][ T8139] debugfs_create_file_unsafe+0x3c/0x50
[ 563.211844][ T8139] debugfs_create_u32+0x70/0xa0
[ 563.211866][ T8139] nbd_start_device+0x485/0xd70
[ 563.211890][ T8139] ? bpf_lsm_capable+0x9/0x10
[ 563.211917][ T8139] nbd_ioctl+0x219/0xda0
[ 563.211936][ T8139] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 563.211958][ T8139] ? __pfx_nbd_ioctl+0x10/0x10
[ 563.211977][ T8139] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 563.212016][ T8139] ? __pfx_nbd_ioctl+0x10/0x10
[ 563.212038][ T8139] blkdev_ioctl+0x5b0/0x6e0
[ 563.212058][ T8139] ? __pfx_blkdev_ioctl+0x10/0x10
[ 563.212076][ T8139] ? selinux_file_ioctl+0x180/0x270
[ 563.212100][ T8139] ? selinux_file_ioctl+0xb4/0x270
[ 563.212126][ T8139] ? __pfx_blkdev_ioctl+0x10/0x10
[ 563.212146][ T8139] __x64_sys_ioctl+0x18e/0x210
[ 563.212170][ T8139] do_syscall_64+0xcd/0xf80
[ 563.212197][ T8139] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 563.212217][ T8139] RIP: 0033:0x7fc8ec499569
[ 563.212234][ T8139] 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
[ 563.212252][ T8139] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 563.212267][ T8139] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 563.212279][ T8139] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 563.212289][ T8139] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 563.212300][ T8139] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 563.212312][ T8139] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 563.212338][ T8139]
[ 563.452864][ T8139] debugfs: out of free dentries, can not create file 'timeout'
[ 563.511934][ T8139] block nbd0: shutting down sockets
[ 563.782834][ T8142] block nbd0: shutting down sockets
[ 564.042714][ T8144] block nbd0: shutting down sockets
[ 564.142653][ T8146] FAULT_INJECTION: forcing a failure.
[ 564.142653][ T8146] name failslab, interval 1, probability 0, space 0, times 0
[ 564.155320][ T8146] CPU: 1 UID: 0 PID: 8146 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 564.155345][ T8146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 564.155357][ T8146] Call Trace:
[ 564.155364][ T8146]
[ 564.155370][ T8146] dump_stack_lvl+0x16c/0x1f0
[ 564.155391][ T8146] should_fail_ex+0x512/0x640
[ 564.155402][ T8146] ? fs_reclaim_acquire+0xae/0x150
[ 564.155419][ T8146] should_failslab+0xc2/0x120
[ 564.155446][ T8146] __kmalloc_cache_node_noprof+0x83/0x830
[ 564.155474][ T8146] ? lockdep_init_map_type+0x5c/0x270
[ 564.155496][ T8146] ? sbitmap_queue_init_node+0x291/0x4a0
[ 564.155521][ T8146] ? sbitmap_queue_init_node+0x291/0x4a0
[ 564.155534][ T8146] sbitmap_queue_init_node+0x291/0x4a0
[ 564.155550][ T8146] blk_mq_init_tags+0x1b4/0x320
[ 564.155566][ T8146] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 564.155585][ T8146] blk_mq_alloc_sched_tags+0x1de/0x350
[ 564.155598][ T8146] blk_mq_alloc_sched_res+0x8e/0x250
[ 564.155610][ T8146] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 564.155624][ T8146] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 564.155640][ T8146] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 564.155662][ T8146] nbd_start_device+0x1b0/0xd70
[ 564.155677][ T8146] ? bpf_lsm_capable+0x9/0x10
[ 564.155692][ T8146] nbd_ioctl+0x219/0xda0
[ 564.155705][ T8146] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 564.155718][ T8146] ? __pfx_nbd_ioctl+0x10/0x10
[ 564.155728][ T8146] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 564.155750][ T8146] ? __pfx_nbd_ioctl+0x10/0x10
[ 564.155762][ T8146] blkdev_ioctl+0x5b0/0x6e0
[ 564.155773][ T8146] ? __pfx_blkdev_ioctl+0x10/0x10
[ 564.155784][ T8146] ? selinux_file_ioctl+0x180/0x270
[ 564.155799][ T8146] ? selinux_file_ioctl+0xb4/0x270
[ 564.155814][ T8146] ? __pfx_blkdev_ioctl+0x10/0x10
[ 564.155826][ T8146] __x64_sys_ioctl+0x18e/0x210
[ 564.155840][ T8146] do_syscall_64+0xcd/0xf80
[ 564.155857][ T8146] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 564.155869][ T8146] RIP: 0033:0x7fc8ec499569
[ 564.155879][ 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
[ 564.155890][ T8146] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 564.155901][ T8146] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 564.155909][ T8146] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 564.155915][ T8146] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 564.155922][ T8146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 564.155928][ T8146] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 564.155943][ T8146]
[ 564.471903][ T8146] block nbd0: shutting down sockets
[ 564.742525][ T8148] block nbd0: shutting down sockets
[ 565.032854][ T8150] block nbd0: shutting down sockets
[ 565.293061][ T8153] block nbd0: shutting down sockets
[ 565.553166][ T8155] block nbd0: shutting down sockets
[ 565.812415][ T8157] block nbd0: shutting down sockets
[ 566.081853][ T8159] block nbd0: shutting down sockets
[ 566.331956][ T8161] block nbd0: shutting down sockets
[ 566.582325][ T8163] block nbd0: shutting down sockets
[ 566.711750][ T8166] block nbd0: Device being setup by another task
[ 566.718861][ T8165] FAULT_INJECTION: forcing a failure.
[ 566.718861][ T8165] name failslab, interval 1, probability 0, space 0, times 0
[ 566.731537][ T8165] CPU: 1 UID: 0 PID: 8165 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 566.731558][ T8165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 566.731568][ T8165] Call Trace:
[ 566.731575][ T8165]
[ 566.731581][ T8165] dump_stack_lvl+0x16c/0x1f0
[ 566.731610][ T8165] should_fail_ex+0x512/0x640
[ 566.731631][ T8165] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 566.731654][ T8165] should_failslab+0xc2/0x120
[ 566.731678][ T8165] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 566.731697][ T8165] ? __d_lookup+0x25c/0x4a0
[ 566.731718][ T8165] ? __d_alloc+0x35/0xa80
[ 566.731741][ T8165] ? __d_alloc+0x35/0xa80
[ 566.731756][ T8165] __d_alloc+0x35/0xa80
[ 566.731778][ T8165] d_alloc+0x4a/0x1e0
[ 566.731799][ T8165] lookup_one_qstr_excl+0x175/0x250
[ 566.731824][ T8165] start_dirop+0x59/0xb0
[ 566.731848][ T8165] simple_start_creating+0xf4/0x100
[ 566.731874][ T8165] ? __pfx_simple_start_creating+0x10/0x10
[ 566.731898][ T8165] ? do_raw_spin_unlock+0x172/0x230
[ 566.731926][ T8165] ? simple_pin_fs+0xa3/0x190
[ 566.731950][ T8165] debugfs_start_creating.part.0+0x86/0x1c0
[ 566.731973][ T8165] __debugfs_create_file+0xb3/0x530
[ 566.731999][ T8165] debugfs_create_file_unsafe+0x3c/0x50
[ 566.732024][ T8165] debugfs_create_u32+0x70/0xa0
[ 566.732046][ T8165] nbd_start_device+0x485/0xd70
[ 566.732071][ T8165] ? bpf_lsm_capable+0x9/0x10
[ 566.732097][ T8165] nbd_ioctl+0x219/0xda0
[ 566.732116][ T8165] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 566.732136][ T8165] ? __pfx_nbd_ioctl+0x10/0x10
[ 566.732152][ T8165] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 566.732188][ T8165] ? __pfx_nbd_ioctl+0x10/0x10
[ 566.732217][ T8165] blkdev_ioctl+0x5b0/0x6e0
[ 566.732237][ T8165] ? __pfx_blkdev_ioctl+0x10/0x10
[ 566.732255][ T8165] ? selinux_file_ioctl+0x180/0x270
[ 566.732279][ T8165] ? selinux_file_ioctl+0xb4/0x270
[ 566.732305][ T8165] ? __pfx_blkdev_ioctl+0x10/0x10
[ 566.732326][ T8165] __x64_sys_ioctl+0x18e/0x210
[ 566.732350][ T8165] do_syscall_64+0xcd/0xf80
[ 566.732378][ T8165] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 566.732398][ T8165] RIP: 0033:0x7fc8ec499569
[ 566.732414][ T8165] 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
[ 566.732431][ T8165] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 566.732450][ T8165] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 566.732463][ T8165] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 566.732475][ T8165] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 566.732487][ T8165] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 566.732497][ T8165] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 566.732524][ T8165]
[ 567.051908][ T8165] block nbd0: shutting down sockets
[ 567.352763][ T8168] block nbd0: shutting down sockets
[ 567.471780][ T8172] block nbd0: Device being setup by another task
[ 567.478892][ T8171] FAULT_INJECTION: forcing a failure.
[ 567.478892][ T8171] name failslab, interval 1, probability 0, space 0, times 0
[ 567.491813][ T8171] CPU: 0 UID: 0 PID: 8171 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 567.491841][ T8171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 567.491853][ T8171] Call Trace:
[ 567.491860][ T8171]
[ 567.491867][ T8171] dump_stack_lvl+0x16c/0x1f0
[ 567.491887][ T8171] should_fail_ex+0x512/0x640
[ 567.491898][ T8171] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 567.491912][ T8171] should_failslab+0xc2/0x120
[ 567.491927][ T8171] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 567.491940][ T8171] ? alloc_inode+0x64/0x240
[ 567.491955][ T8171] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 567.491966][ T8171] ? alloc_inode+0x64/0x240
[ 567.491977][ T8171] alloc_inode+0x64/0x240
[ 567.491989][ T8171] new_inode+0x22/0x1c0
[ 567.492002][ T8171] __debugfs_create_file+0x105/0x530
[ 567.492017][ T8171] debugfs_create_file_unsafe+0x3c/0x50
[ 567.492031][ T8171] debugfs_create_u32+0x70/0xa0
[ 567.492048][ T8171] nbd_start_device+0x485/0xd70
[ 567.492063][ T8171] ? bpf_lsm_capable+0x9/0x10
[ 567.492079][ T8171] nbd_ioctl+0x219/0xda0
[ 567.492091][ T8171] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 567.492105][ T8171] ? __pfx_nbd_ioctl+0x10/0x10
[ 567.492115][ T8171] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 567.492138][ T8171] ? __pfx_nbd_ioctl+0x10/0x10
[ 567.492149][ T8171] blkdev_ioctl+0x5b0/0x6e0
[ 567.492161][ T8171] ? __pfx_blkdev_ioctl+0x10/0x10
[ 567.492171][ T8171] ? selinux_file_ioctl+0x180/0x270
[ 567.492185][ T8171] ? selinux_file_ioctl+0xb4/0x270
[ 567.492200][ T8171] ? __pfx_blkdev_ioctl+0x10/0x10
[ 567.492211][ T8171] __x64_sys_ioctl+0x18e/0x210
[ 567.492225][ T8171] do_syscall_64+0xcd/0xf80
[ 567.492242][ T8171] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 567.492253][ T8171] RIP: 0033:0x7fc8ec499569
[ 567.492263][ T8171] 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
[ 567.492274][ T8171] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 567.492285][ T8171] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 567.492292][ T8171] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 567.492298][ T8171] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 567.492305][ T8171] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 567.492312][ T8171] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 567.492327][ T8171]
[ 567.492332][ T8171] debugfs: out of free dentries, can not create file 'timeout'
[ 567.811912][ T8171] block nbd0: shutting down sockets
[ 568.072746][ T8174] block nbd0: shutting down sockets
[ 568.332311][ T8176] block nbd0: shutting down sockets
[ 568.584321][ T8178] block nbd0: shutting down sockets
[ 568.682986][ T8180] FAULT_INJECTION: forcing a failure.
[ 568.682986][ T8180] name failslab, interval 1, probability 0, space 0, times 0
[ 568.695684][ T8180] CPU: 0 UID: 0 PID: 8180 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 568.695707][ T8180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 568.695718][ T8180] Call Trace:
[ 568.695726][ T8180]
[ 568.695734][ T8180] dump_stack_lvl+0x16c/0x1f0
[ 568.695755][ T8180] should_fail_ex+0x512/0x640
[ 568.695766][ T8180] ? fs_reclaim_acquire+0xae/0x150
[ 568.695783][ T8180] should_failslab+0xc2/0x120
[ 568.695798][ T8180] __kmalloc_cache_node_noprof+0x83/0x830
[ 568.695812][ T8180] ? lockdep_init_map_type+0x5c/0x270
[ 568.695826][ T8180] ? sbitmap_queue_init_node+0x291/0x4a0
[ 568.695842][ T8180] ? sbitmap_queue_init_node+0x291/0x4a0
[ 568.695855][ T8180] sbitmap_queue_init_node+0x291/0x4a0
[ 568.695871][ T8180] blk_mq_init_tags+0x1b4/0x320
[ 568.695887][ T8180] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 568.695905][ T8180] blk_mq_alloc_sched_tags+0x1de/0x350
[ 568.695918][ T8180] blk_mq_alloc_sched_res+0x8e/0x250
[ 568.695932][ T8180] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 568.695946][ T8180] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 568.695963][ T8180] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 568.695985][ T8180] nbd_start_device+0x1b0/0xd70
[ 568.695999][ T8180] ? bpf_lsm_capable+0x9/0x10
[ 568.696015][ T8180] nbd_ioctl+0x219/0xda0
[ 568.696028][ T8180] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 568.696041][ T8180] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.696051][ T8180] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 568.696073][ T8180] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.696085][ T8180] blkdev_ioctl+0x5b0/0x6e0
[ 568.696096][ T8180] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.696106][ T8180] ? selinux_file_ioctl+0x180/0x270
[ 568.696120][ T8180] ? selinux_file_ioctl+0xb4/0x270
[ 568.696135][ T8180] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.696147][ T8180] __x64_sys_ioctl+0x18e/0x210
[ 568.696160][ T8180] do_syscall_64+0xcd/0xf80
[ 568.696178][ T8180] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 568.696190][ T8180] RIP: 0033:0x7fc8ec499569
[ 568.696200][ T8180] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 568.696210][ T8180] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 568.696222][ T8180] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 568.696229][ T8180] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 568.696236][ T8180] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 568.696242][ T8180] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 568.696249][ T8180] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 568.696263][ T8180]
[ 569.074456][ T8180] block nbd0: shutting down sockets
[ 569.343345][ T8182] block nbd0: shutting down sockets
[ 569.614033][ T8184] block nbd0: shutting down sockets
[ 569.873128][ T8187] block nbd0: shutting down sockets
[ 569.982563][ T8189] FAULT_INJECTION: forcing a failure.
[ 569.982563][ T8189] name failslab, interval 1, probability 0, space 0, times 0
[ 569.995195][ T8189] CPU: 1 UID: 0 PID: 8189 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 569.995211][ T8189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 569.995219][ T8189] Call Trace:
[ 569.995224][ T8189]
[ 569.995230][ T8189] dump_stack_lvl+0x16c/0x1f0
[ 569.995252][ T8189] should_fail_ex+0x512/0x640
[ 569.995262][ T8189] ? fs_reclaim_acquire+0xae/0x150
[ 569.995279][ T8189] should_failslab+0xc2/0x120
[ 569.995294][ T8189] __kmalloc_cache_node_noprof+0x83/0x830
[ 569.995308][ T8189] ? lockdep_init_map_type+0x5c/0x270
[ 569.995323][ T8189] ? sbitmap_queue_init_node+0x291/0x4a0
[ 569.995340][ T8189] ? sbitmap_queue_init_node+0x291/0x4a0
[ 569.995353][ T8189] sbitmap_queue_init_node+0x291/0x4a0
[ 569.995369][ T8189] blk_mq_init_tags+0x1b4/0x320
[ 569.995384][ T8189] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 569.995402][ T8189] blk_mq_alloc_sched_tags+0x1de/0x350
[ 569.995416][ T8189] blk_mq_alloc_sched_res+0x8e/0x250
[ 569.995427][ T8189] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 569.995441][ T8189] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 569.995458][ T8189] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 569.995480][ T8189] nbd_start_device+0x1b0/0xd70
[ 569.995494][ T8189] ? bpf_lsm_capable+0x9/0x10
[ 569.995510][ T8189] nbd_ioctl+0x219/0xda0
[ 569.995523][ T8189] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 569.995536][ T8189] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.995554][ T8189] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 569.995576][ T8189] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.995588][ T8189] blkdev_ioctl+0x5b0/0x6e0
[ 569.995599][ T8189] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.995609][ T8189] ? selinux_file_ioctl+0x180/0x270
[ 569.995622][ T8189] ? selinux_file_ioctl+0xb4/0x270
[ 569.995638][ T8189] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.995649][ T8189] __x64_sys_ioctl+0x18e/0x210
[ 569.995663][ T8189] do_syscall_64+0xcd/0xf80
[ 569.995680][ T8189] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 569.995692][ T8189] RIP: 0033:0x7fc8ec499569
[ 569.995702][ T8189] 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
[ 569.995712][ T8189] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 569.995723][ T8189] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 569.995731][ T8189] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 569.995737][ T8189] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 569.995744][ T8189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 569.995751][ T8189] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 569.995766][ T8189]
[ 570.292050][ T8189] block nbd0: shutting down sockets
[ 570.573863][ T8191] block nbd0: shutting down sockets
[ 570.864904][ T8194] block nbd0: shutting down sockets
[ 571.113007][ T8197] block nbd0: shutting down sockets
[ 571.404164][ T8199] block nbd0: shutting down sockets
[ 571.521844][ T8203] block nbd0: Device being setup by another task
[ 571.528939][ T8202] FAULT_INJECTION: forcing a failure.
[ 571.528939][ T8202] name failslab, interval 1, probability 0, space 0, times 0
[ 571.541559][ T8202] CPU: 1 UID: 0 PID: 8202 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 571.541575][ T8202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 571.541582][ T8202] Call Trace:
[ 571.541587][ T8202]
[ 571.541592][ T8202] dump_stack_lvl+0x16c/0x1f0
[ 571.541612][ T8202] should_fail_ex+0x512/0x640
[ 571.541631][ T8202] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 571.541652][ T8202] should_failslab+0xc2/0x120
[ 571.541674][ T8202] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 571.541695][ T8202] ? alloc_inode+0x64/0x240
[ 571.541719][ T8202] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 571.541744][ T8202] ? alloc_inode+0x64/0x240
[ 571.541762][ T8202] alloc_inode+0x64/0x240
[ 571.541774][ T8202] new_inode+0x22/0x1c0
[ 571.541788][ T8202] __debugfs_create_file+0x105/0x530
[ 571.541802][ T8202] debugfs_create_file_unsafe+0x3c/0x50
[ 571.541816][ T8202] debugfs_create_u32+0x70/0xa0
[ 571.541828][ T8202] nbd_start_device+0x485/0xd70
[ 571.541843][ T8202] ? bpf_lsm_capable+0x9/0x10
[ 571.541859][ T8202] nbd_ioctl+0x219/0xda0
[ 571.541871][ T8202] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 571.541884][ T8202] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.541895][ T8202] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 571.541917][ T8202] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.541929][ T8202] blkdev_ioctl+0x5b0/0x6e0
[ 571.541941][ T8202] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.541951][ T8202] ? selinux_file_ioctl+0x180/0x270
[ 571.541965][ T8202] ? selinux_file_ioctl+0xb4/0x270
[ 571.541980][ T8202] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.541991][ T8202] __x64_sys_ioctl+0x18e/0x210
[ 571.542005][ T8202] do_syscall_64+0xcd/0xf80
[ 571.542023][ T8202] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.542034][ T8202] RIP: 0033:0x7fc8ec499569
[ 571.542044][ T8202] 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
[ 571.542055][ T8202] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 571.542066][ T8202] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 571.542074][ T8202] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 571.542080][ T8202] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 571.542087][ T8202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 571.542093][ T8202] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 571.542108][ T8202]
[ 571.782459][ T8202] debugfs: out of free dentries, can not create file 'timeout'
[ 571.831904][ T8202] block nbd0: shutting down sockets
[ 572.093517][ T8205] block nbd0: shutting down sockets
[ 572.221757][ T8208] block nbd0: Device being setup by another task
[ 572.229217][ T8207] FAULT_INJECTION: forcing a failure.
[ 572.229217][ T8207] name failslab, interval 1, probability 0, space 0, times 0
[ 572.242610][ T8207] CPU: 0 UID: 0 PID: 8207 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 572.242634][ T8207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 572.242645][ T8207] Call Trace:
[ 572.242651][ T8207]
[ 572.242657][ T8207] dump_stack_lvl+0x16c/0x1f0
[ 572.242677][ T8207] should_fail_ex+0x512/0x640
[ 572.242688][ T8207] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 572.242703][ T8207] should_failslab+0xc2/0x120
[ 572.242718][ T8207] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 572.242730][ T8207] ? alloc_inode+0x64/0x240
[ 572.242746][ T8207] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 572.242757][ T8207] ? alloc_inode+0x64/0x240
[ 572.242767][ T8207] alloc_inode+0x64/0x240
[ 572.242779][ T8207] new_inode+0x22/0x1c0
[ 572.242793][ T8207] __debugfs_create_file+0x105/0x530
[ 572.242807][ T8207] debugfs_create_file_unsafe+0x3c/0x50
[ 572.242821][ T8207] debugfs_create_u32+0x70/0xa0
[ 572.242833][ T8207] nbd_start_device+0x485/0xd70
[ 572.242848][ T8207] ? bpf_lsm_capable+0x9/0x10
[ 572.242864][ T8207] nbd_ioctl+0x219/0xda0
[ 572.242877][ T8207] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 572.242890][ T8207] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.242900][ T8207] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 572.242925][ T8207] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.242937][ T8207] blkdev_ioctl+0x5b0/0x6e0
[ 572.242949][ T8207] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.242959][ T8207] ? selinux_file_ioctl+0x180/0x270
[ 572.242973][ T8207] ? selinux_file_ioctl+0xb4/0x270
[ 572.242988][ T8207] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.242999][ T8207] __x64_sys_ioctl+0x18e/0x210
[ 572.243013][ T8207] do_syscall_64+0xcd/0xf80
[ 572.243030][ T8207] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 572.243041][ T8207] RIP: 0033:0x7fc8ec499569
[ 572.243051][ T8207] 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
[ 572.243062][ T8207] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 572.243073][ T8207] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 572.243080][ T8207] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 572.243087][ T8207] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 572.243093][ T8207] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 572.243100][ T8207] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 572.243115][ T8207]
[ 572.243138][ T8207] debugfs: out of free dentries, can not create file 'timeout'
[ 572.531955][ T8207] block nbd0: shutting down sockets
[ 572.671803][ T8211] block nbd0: Device being setup by another task
[ 572.678972][ T8210] FAULT_INJECTION: forcing a failure.
[ 572.678972][ T8210] name failslab, interval 1, probability 0, space 0, times 0
[ 572.691666][ T8210] CPU: 1 UID: 0 PID: 8210 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 572.691693][ T8210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 572.691703][ T8210] Call Trace:
[ 572.691708][ T8210]
[ 572.691713][ T8210] dump_stack_lvl+0x16c/0x1f0
[ 572.691733][ T8210] should_fail_ex+0x512/0x640
[ 572.691744][ T8210] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 572.691758][ T8210] should_failslab+0xc2/0x120
[ 572.691774][ T8210] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 572.691786][ T8210] ? alloc_inode+0x64/0x240
[ 572.691802][ T8210] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 572.691813][ T8210] ? alloc_inode+0x64/0x240
[ 572.691824][ T8210] alloc_inode+0x64/0x240
[ 572.691836][ T8210] new_inode+0x22/0x1c0
[ 572.691850][ T8210] __debugfs_create_file+0x105/0x530
[ 572.691864][ T8210] debugfs_create_file_unsafe+0x3c/0x50
[ 572.691879][ T8210] debugfs_create_u32+0x70/0xa0
[ 572.691891][ T8210] nbd_start_device+0x485/0xd70
[ 572.691906][ T8210] ? bpf_lsm_capable+0x9/0x10
[ 572.691921][ T8210] nbd_ioctl+0x219/0xda0
[ 572.691934][ T8210] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 572.691947][ T8210] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.691958][ T8210] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 572.691980][ T8210] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.691992][ T8210] blkdev_ioctl+0x5b0/0x6e0
[ 572.692004][ T8210] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.692014][ T8210] ? selinux_file_ioctl+0x180/0x270
[ 572.692027][ T8210] ? selinux_file_ioctl+0xb4/0x270
[ 572.692043][ T8210] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.692054][ T8210] __x64_sys_ioctl+0x18e/0x210
[ 572.692068][ T8210] do_syscall_64+0xcd/0xf80
[ 572.692085][ T8210] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 572.692097][ T8210] RIP: 0033:0x7fc8ec499569
[ 572.692106][ T8210] 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
[ 572.692117][ T8210] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 572.692128][ T8210] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 572.692136][ T8210] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 572.692142][ T8210] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 572.692149][ T8210] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 572.692155][ T8210] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 572.692170][ T8210]
[ 572.692176][ T8210] debugfs: out of free dentries, can not create file 'timeout'
[ 572.971886][ T8210] block nbd0: shutting down sockets
[ 573.252689][ T8213] block nbd0: shutting down sockets
[ 573.362466][ T8215] FAULT_INJECTION: forcing a failure.
[ 573.362466][ T8215] name failslab, interval 1, probability 0, space 0, times 0
[ 573.375200][ T8215] CPU: 1 UID: 0 PID: 8215 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 573.375217][ T8215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 573.375225][ T8215] Call Trace:
[ 573.375231][ T8215]
[ 573.375235][ T8215] dump_stack_lvl+0x16c/0x1f0
[ 573.375256][ T8215] should_fail_ex+0x512/0x640
[ 573.375267][ T8215] ? fs_reclaim_acquire+0xae/0x150
[ 573.375283][ T8215] should_failslab+0xc2/0x120
[ 573.375299][ T8215] __kmalloc_cache_node_noprof+0x83/0x830
[ 573.375313][ T8215] ? lockdep_init_map_type+0x5c/0x270
[ 573.375326][ T8215] ? sbitmap_queue_init_node+0x291/0x4a0
[ 573.375343][ T8215] ? sbitmap_queue_init_node+0x291/0x4a0
[ 573.375356][ T8215] sbitmap_queue_init_node+0x291/0x4a0
[ 573.375371][ T8215] blk_mq_init_tags+0x1b4/0x320
[ 573.375387][ T8215] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 573.375405][ T8215] blk_mq_alloc_sched_tags+0x1de/0x350
[ 573.375418][ T8215] blk_mq_alloc_sched_res+0x8e/0x250
[ 573.375430][ T8215] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 573.375444][ T8215] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 573.375461][ T8215] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 573.375489][ T8215] nbd_start_device+0x1b0/0xd70
[ 573.375503][ T8215] ? bpf_lsm_capable+0x9/0x10
[ 573.375519][ T8215] nbd_ioctl+0x219/0xda0
[ 573.375531][ T8215] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 573.375544][ T8215] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.375555][ T8215] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 573.375576][ T8215] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.375588][ T8215] blkdev_ioctl+0x5b0/0x6e0
[ 573.375599][ T8215] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.375609][ T8215] ? selinux_file_ioctl+0x180/0x270
[ 573.375623][ T8215] ? selinux_file_ioctl+0xb4/0x270
[ 573.375638][ T8215] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.375649][ T8215] __x64_sys_ioctl+0x18e/0x210
[ 573.375663][ T8215] do_syscall_64+0xcd/0xf80
[ 573.375680][ T8215] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.375691][ T8215] RIP: 0033:0x7fc8ec499569
[ 573.375701][ T8215] 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
[ 573.375711][ T8215] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 573.375722][ T8215] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 573.375730][ T8215] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 573.375736][ T8215] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 573.375742][ T8215] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 573.375749][ T8215] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 573.375764][ T8215]
[ 573.752239][ T8215] block nbd0: shutting down sockets
[ 574.013677][ T8218] block nbd0: shutting down sockets
[ 574.273098][ T8220] block nbd0: shutting down sockets
[ 574.381811][ T8223] block nbd0: Device being setup by another task
[ 574.389022][ T8222] FAULT_INJECTION: forcing a failure.
[ 574.389022][ T8222] name failslab, interval 1, probability 0, space 0, times 0
[ 574.401663][ T8222] CPU: 1 UID: 0 PID: 8222 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 574.401687][ T8222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 574.401699][ T8222] Call Trace:
[ 574.401707][ T8222]
[ 574.401716][ T8222] dump_stack_lvl+0x16c/0x1f0
[ 574.401746][ T8222] should_fail_ex+0x512/0x640
[ 574.401761][ T8222] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 574.401780][ T8222] should_failslab+0xc2/0x120
[ 574.401803][ T8222] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 574.401821][ T8222] ? alloc_inode+0x64/0x240
[ 574.401843][ T8222] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 574.401861][ T8222] ? alloc_inode+0x64/0x240
[ 574.401878][ T8222] alloc_inode+0x64/0x240
[ 574.401894][ T8222] new_inode+0x22/0x1c0
[ 574.401916][ T8222] __debugfs_create_file+0x105/0x530
[ 574.401941][ T8222] debugfs_create_file_unsafe+0x3c/0x50
[ 574.401965][ T8222] debugfs_create_u32+0x70/0xa0
[ 574.401986][ T8222] nbd_start_device+0x485/0xd70
[ 574.402010][ T8222] ? bpf_lsm_capable+0x9/0x10
[ 574.402037][ T8222] nbd_ioctl+0x219/0xda0
[ 574.402059][ T8222] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 574.402080][ T8222] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.402099][ T8222] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 574.402144][ T8222] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.402166][ T8222] blkdev_ioctl+0x5b0/0x6e0
[ 574.402186][ T8222] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.402204][ T8222] ? selinux_file_ioctl+0x180/0x270
[ 574.402227][ T8222] ? selinux_file_ioctl+0xb4/0x270
[ 574.402253][ T8222] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.402273][ T8222] __x64_sys_ioctl+0x18e/0x210
[ 574.402298][ T8222] do_syscall_64+0xcd/0xf80
[ 574.402325][ T8222] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.402345][ T8222] RIP: 0033:0x7fc8ec499569
[ 574.402360][ T8222] 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
[ 574.402377][ T8222] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 574.402394][ T8222] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 574.402407][ T8222] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 574.402419][ T8222] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 574.402431][ T8222] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 574.402442][ T8222] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 574.402469][ T8222]
[ 574.402478][ T8222] debugfs: out of free dentries, can not create file 'timeout'
[ 574.691958][ T8222] block nbd0: shutting down sockets
[ 574.944525][ T8225] block nbd0: shutting down sockets
[ 575.193844][ T8227] block nbd0: shutting down sockets
[ 575.443257][ T8229] block nbd0: shutting down sockets
[ 575.705217][ T8231] block nbd0: shutting down sockets
[ 575.994020][ T8233] block nbd0: shutting down sockets
[ 576.141765][ T8236] block nbd0: Device being setup by another task
[ 576.148875][ T8235] FAULT_INJECTION: forcing a failure.
[ 576.148875][ T8235] name failslab, interval 1, probability 0, space 0, times 0
[ 576.161535][ T8235] CPU: 0 UID: 0 PID: 8235 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 576.161559][ T8235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 576.161570][ T8235] Call Trace:
[ 576.161579][ T8235]
[ 576.161588][ T8235] dump_stack_lvl+0x16c/0x1f0
[ 576.161610][ T8235] should_fail_ex+0x512/0x640
[ 576.161625][ T8235] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 576.161640][ T8235] should_failslab+0xc2/0x120
[ 576.161655][ T8235] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 576.161667][ T8235] ? __d_lookup+0x25c/0x4a0
[ 576.161680][ T8235] ? __d_alloc+0x35/0xa80
[ 576.161692][ T8235] ? __d_alloc+0x35/0xa80
[ 576.161700][ T8235] __d_alloc+0x35/0xa80
[ 576.161712][ T8235] d_alloc+0x4a/0x1e0
[ 576.161723][ T8235] lookup_one_qstr_excl+0x175/0x250
[ 576.161736][ T8235] start_dirop+0x59/0xb0
[ 576.161750][ T8235] simple_start_creating+0xf4/0x100
[ 576.161767][ T8235] ? __pfx_simple_start_creating+0x10/0x10
[ 576.161781][ T8235] ? do_raw_spin_unlock+0x172/0x230
[ 576.161798][ T8235] ? simple_pin_fs+0xa3/0x190
[ 576.161812][ T8235] debugfs_start_creating.part.0+0x86/0x1c0
[ 576.161825][ T8235] __debugfs_create_file+0xb3/0x530
[ 576.161840][ T8235] debugfs_create_file_unsafe+0x3c/0x50
[ 576.161853][ T8235] debugfs_create_u32+0x70/0xa0
[ 576.161869][ T8235] nbd_start_device+0x485/0xd70
[ 576.161891][ T8235] ? bpf_lsm_capable+0x9/0x10
[ 576.161917][ T8235] nbd_ioctl+0x219/0xda0
[ 576.161939][ T8235] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 576.161953][ T8235] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.161964][ T8235] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 576.161986][ T8235] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.161998][ T8235] blkdev_ioctl+0x5b0/0x6e0
[ 576.162026][ T8235] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.162036][ T8235] ? selinux_file_ioctl+0x180/0x270
[ 576.162049][ T8235] ? selinux_file_ioctl+0xb4/0x270
[ 576.162064][ T8235] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.162075][ T8235] __x64_sys_ioctl+0x18e/0x210
[ 576.162089][ T8235] do_syscall_64+0xcd/0xf80
[ 576.162109][ T8235] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 576.162122][ T8235] RIP: 0033:0x7fc8ec499569
[ 576.162132][ T8235] 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
[ 576.162143][ T8235] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 576.162154][ T8235] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 576.162162][ T8235] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 576.162168][ T8235] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 576.162175][ T8235] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 576.162182][ T8235] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 576.162197][ T8235]
[ 576.522135][ T8235] block nbd0: shutting down sockets
[ 576.783528][ T8238] block nbd0: shutting down sockets
[ 577.043372][ T8240] block nbd0: shutting down sockets
[ 577.132694][ T8242] FAULT_INJECTION: forcing a failure.
[ 577.132694][ T8242] name failslab, interval 1, probability 0, space 0, times 0
[ 577.145394][ T8242] CPU: 0 UID: 0 PID: 8242 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 577.145420][ T8242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 577.145432][ T8242] Call Trace:
[ 577.145441][ T8242]
[ 577.145447][ T8242] dump_stack_lvl+0x16c/0x1f0
[ 577.145467][ T8242] should_fail_ex+0x512/0x640
[ 577.145478][ T8242] ? fs_reclaim_acquire+0xae/0x150
[ 577.145495][ T8242] should_failslab+0xc2/0x120
[ 577.145510][ T8242] __kmalloc_cache_node_noprof+0x83/0x830
[ 577.145524][ T8242] ? lockdep_init_map_type+0x5c/0x270
[ 577.145538][ T8242] ? sbitmap_queue_init_node+0x291/0x4a0
[ 577.145555][ T8242] ? sbitmap_queue_init_node+0x291/0x4a0
[ 577.145568][ T8242] sbitmap_queue_init_node+0x291/0x4a0
[ 577.145583][ T8242] blk_mq_init_tags+0x1b4/0x320
[ 577.145599][ T8242] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 577.145617][ T8242] blk_mq_alloc_sched_tags+0x1de/0x350
[ 577.145630][ T8242] blk_mq_alloc_sched_res+0x8e/0x250
[ 577.145641][ T8242] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 577.145655][ T8242] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 577.145672][ T8242] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 577.145694][ T8242] nbd_start_device+0x1b0/0xd70
[ 577.145708][ T8242] ? bpf_lsm_capable+0x9/0x10
[ 577.145724][ T8242] nbd_ioctl+0x219/0xda0
[ 577.145736][ T8242] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 577.145750][ T8242] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.145760][ T8242] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 577.145782][ T8242] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.145794][ T8242] blkdev_ioctl+0x5b0/0x6e0
[ 577.145805][ T8242] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.145814][ T8242] ? selinux_file_ioctl+0x180/0x270
[ 577.145828][ T8242] ? selinux_file_ioctl+0xb4/0x270
[ 577.145843][ T8242] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.145854][ T8242] __x64_sys_ioctl+0x18e/0x210
[ 577.145873][ T8242] do_syscall_64+0xcd/0xf80
[ 577.145890][ T8242] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 577.145902][ T8242] RIP: 0033:0x7fc8ec499569
[ 577.145912][ T8242] 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
[ 577.145922][ T8242] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 577.145933][ T8242] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 577.145941][ T8242] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 577.145947][ T8242] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 577.145954][ T8242] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 577.145961][ T8242] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 577.145976][ T8242]
[ 577.523552][ T8242] block nbd0: shutting down sockets
[ 577.622597][ T8245] FAULT_INJECTION: forcing a failure.
[ 577.622597][ T8245] name failslab, interval 1, probability 0, space 0, times 0
[ 577.636249][ T8245] CPU: 1 UID: 0 PID: 8245 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 577.636266][ T8245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 577.636274][ T8245] Call Trace:
[ 577.636278][ T8245]
[ 577.636282][ T8245] dump_stack_lvl+0x16c/0x1f0
[ 577.636302][ T8245] should_fail_ex+0x512/0x640
[ 577.636313][ T8245] ? fs_reclaim_acquire+0xae/0x150
[ 577.636330][ T8245] should_failslab+0xc2/0x120
[ 577.636344][ T8245] __kmalloc_cache_node_noprof+0x83/0x830
[ 577.636358][ T8245] ? lockdep_init_map_type+0x5c/0x270
[ 577.636372][ T8245] ? sbitmap_queue_init_node+0x291/0x4a0
[ 577.636389][ T8245] ? sbitmap_queue_init_node+0x291/0x4a0
[ 577.636402][ T8245] sbitmap_queue_init_node+0x291/0x4a0
[ 577.636417][ T8245] blk_mq_init_tags+0x1b4/0x320
[ 577.636434][ T8245] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 577.636451][ T8245] blk_mq_alloc_sched_tags+0x1de/0x350
[ 577.636464][ T8245] blk_mq_alloc_sched_res+0x8e/0x250
[ 577.636476][ T8245] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 577.636490][ T8245] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 577.636516][ T8245] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 577.636538][ T8245] nbd_start_device+0x1b0/0xd70
[ 577.636552][ T8245] ? bpf_lsm_capable+0x9/0x10
[ 577.636568][ T8245] nbd_ioctl+0x219/0xda0
[ 577.636581][ T8245] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 577.636594][ T8245] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.636605][ T8245] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 577.636627][ T8245] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.636639][ T8245] blkdev_ioctl+0x5b0/0x6e0
[ 577.636654][ T8245] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.636669][ T8245] ? selinux_file_ioctl+0x180/0x270
[ 577.636691][ T8245] ? selinux_file_ioctl+0xb4/0x270
[ 577.636715][ T8245] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.636728][ T8245] __x64_sys_ioctl+0x18e/0x210
[ 577.636742][ T8245] do_syscall_64+0xcd/0xf80
[ 577.636759][ T8245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 577.636770][ T8245] RIP: 0033:0x7fc8ec499569
[ 577.636781][ T8245] 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
[ 577.636791][ T8245] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 577.636808][ T8245] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 577.636816][ T8245] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 577.636822][ T8245] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 577.636829][ T8245] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 577.636836][ T8245] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 577.636851][ T8245]
[ 577.952017][ T8245] block nbd0: shutting down sockets
[ 578.101799][ T8248] block nbd0: Device being setup by another task
[ 578.108881][ T8247] FAULT_INJECTION: forcing a failure.
[ 578.108881][ T8247] name failslab, interval 1, probability 0, space 0, times 0
[ 578.121873][ T8247] CPU: 0 UID: 0 PID: 8247 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 578.121895][ T8247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 578.121906][ T8247] Call Trace:
[ 578.121911][ T8247]
[ 578.121918][ T8247] dump_stack_lvl+0x16c/0x1f0
[ 578.121946][ T8247] should_fail_ex+0x512/0x640
[ 578.121961][ T8247] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 578.121986][ T8247] should_failslab+0xc2/0x120
[ 578.122011][ T8247] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 578.122032][ T8247] ? alloc_inode+0x64/0x240
[ 578.122057][ T8247] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 578.122077][ T8247] ? alloc_inode+0x64/0x240
[ 578.122095][ T8247] alloc_inode+0x64/0x240
[ 578.122117][ T8247] new_inode+0x22/0x1c0
[ 578.122141][ T8247] __debugfs_create_file+0x105/0x530
[ 578.122167][ T8247] debugfs_create_file_unsafe+0x3c/0x50
[ 578.122192][ T8247] debugfs_create_u32+0x70/0xa0
[ 578.122214][ T8247] nbd_start_device+0x485/0xd70
[ 578.122238][ T8247] ? bpf_lsm_capable+0x9/0x10
[ 578.122265][ T8247] nbd_ioctl+0x219/0xda0
[ 578.122287][ T8247] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 578.122309][ T8247] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.122327][ T8247] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 578.122365][ T8247] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.122386][ T8247] blkdev_ioctl+0x5b0/0x6e0
[ 578.122407][ T8247] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.122422][ T8247] ? selinux_file_ioctl+0x180/0x270
[ 578.122443][ T8247] ? selinux_file_ioctl+0xb4/0x270
[ 578.122466][ T8247] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.122484][ T8247] __x64_sys_ioctl+0x18e/0x210
[ 578.122506][ T8247] do_syscall_64+0xcd/0xf80
[ 578.122532][ T8247] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.122550][ T8247] RIP: 0033:0x7fc8ec499569
[ 578.122564][ T8247] 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
[ 578.122579][ T8247] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 578.122596][ T8247] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 578.122607][ T8247] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 578.122617][ T8247] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 578.122627][ T8247] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 578.122637][ T8247] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 578.122664][ T8247]
[ 578.122671][ T8247] debugfs: out of free dentries, can not create file 'timeout'
[ 578.411941][ T8247] block nbd0: shutting down sockets
[ 578.462821][ T8250] block nbd0: Device being setup by another task
[ 578.501784][ T8250] block nbd0: Device being setup by another task
[ 578.631722][ T8253] block nbd0: Device being setup by another task
[ 578.639122][ T8252] FAULT_INJECTION: forcing a failure.
[ 578.639122][ T8252] name failslab, interval 1, probability 0, space 0, times 0
[ 578.651768][ T8252] CPU: 1 UID: 0 PID: 8252 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 578.651794][ T8252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 578.651806][ T8252] Call Trace:
[ 578.651815][ T8252]
[ 578.651820][ T8252] dump_stack_lvl+0x16c/0x1f0
[ 578.651842][ T8252] should_fail_ex+0x512/0x640
[ 578.651853][ T8252] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 578.651867][ T8252] should_failslab+0xc2/0x120
[ 578.651883][ T8252] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 578.651896][ T8252] ? alloc_inode+0x64/0x240
[ 578.651911][ T8252] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 578.651923][ T8252] ? alloc_inode+0x64/0x240
[ 578.651933][ T8252] alloc_inode+0x64/0x240
[ 578.651945][ T8252] new_inode+0x22/0x1c0
[ 578.651964][ T8252] __debugfs_create_file+0x105/0x530
[ 578.651978][ T8252] debugfs_create_file_unsafe+0x3c/0x50
[ 578.651992][ T8252] debugfs_create_u32+0x70/0xa0
[ 578.652004][ T8252] nbd_start_device+0x485/0xd70
[ 578.652019][ T8252] ? bpf_lsm_capable+0x9/0x10
[ 578.652035][ T8252] nbd_ioctl+0x219/0xda0
[ 578.652047][ T8252] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 578.652060][ T8252] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.652071][ T8252] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 578.652093][ T8252] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.652105][ T8252] blkdev_ioctl+0x5b0/0x6e0
[ 578.652117][ T8252] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.652127][ T8252] ? selinux_file_ioctl+0x180/0x270
[ 578.652141][ T8252] ? selinux_file_ioctl+0xb4/0x270
[ 578.652156][ T8252] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.652167][ T8252] __x64_sys_ioctl+0x18e/0x210
[ 578.652181][ T8252] do_syscall_64+0xcd/0xf80
[ 578.652198][ T8252] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.652210][ T8252] RIP: 0033:0x7fc8ec499569
[ 578.652226][ T8252] 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
[ 578.652242][ T8252] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 578.652260][ T8252] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 578.652273][ T8252] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 578.652281][ T8252] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 578.652288][ T8252] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 578.652295][ T8252] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 578.652310][ T8252]
[ 578.652315][ T8252] debugfs: out of free dentries, can not create file 'timeout'
[ 578.972021][ T8252] block nbd0: shutting down sockets
[ 579.214064][ T8255] block nbd0: shutting down sockets
[ 579.463448][ T8257] block nbd0: shutting down sockets
[ 579.703513][ T8259] block nbd0: shutting down sockets
[ 579.983942][ T8261] block nbd0: shutting down sockets
[ 580.273235][ T8264] block nbd0: shutting down sockets
[ 580.391863][ T8268] block nbd0: Device being setup by another task
[ 580.399004][ T8267] FAULT_INJECTION: forcing a failure.
[ 580.399004][ T8267] name failslab, interval 1, probability 0, space 0, times 0
[ 580.411697][ T8267] CPU: 0 UID: 0 PID: 8267 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 580.411719][ T8267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 580.411728][ T8267] Call Trace:
[ 580.411735][ T8267]
[ 580.411741][ T8267] dump_stack_lvl+0x16c/0x1f0
[ 580.411769][ T8267] should_fail_ex+0x512/0x640
[ 580.411784][ T8267] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 580.411811][ T8267] should_failslab+0xc2/0x120
[ 580.411835][ T8267] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 580.411852][ T8267] ? alloc_inode+0x64/0x240
[ 580.411876][ T8267] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 580.411896][ T8267] ? alloc_inode+0x64/0x240
[ 580.411914][ T8267] alloc_inode+0x64/0x240
[ 580.411934][ T8267] new_inode+0x22/0x1c0
[ 580.411957][ T8267] __debugfs_create_file+0x105/0x530
[ 580.411984][ T8267] debugfs_create_file_unsafe+0x3c/0x50
[ 580.412009][ T8267] debugfs_create_u32+0x70/0xa0
[ 580.412031][ T8267] nbd_start_device+0x485/0xd70
[ 580.412056][ T8267] ? bpf_lsm_capable+0x9/0x10
[ 580.412083][ T8267] nbd_ioctl+0x219/0xda0
[ 580.412105][ T8267] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 580.412127][ T8267] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.412145][ T8267] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 580.412184][ T8267] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.412206][ T8267] blkdev_ioctl+0x5b0/0x6e0
[ 580.412226][ T8267] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.412244][ T8267] ? selinux_file_ioctl+0x180/0x270
[ 580.412267][ T8267] ? selinux_file_ioctl+0xb4/0x270
[ 580.412294][ T8267] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.412314][ T8267] __x64_sys_ioctl+0x18e/0x210
[ 580.412339][ T8267] do_syscall_64+0xcd/0xf80
[ 580.412365][ T8267] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.412385][ T8267] RIP: 0033:0x7fc8ec499569
[ 580.412400][ T8267] 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
[ 580.412418][ T8267] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 580.412436][ T8267] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 580.412450][ T8267] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 580.412461][ T8267] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 580.412474][ T8267] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 580.412486][ T8267] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 580.412513][ T8267]
[ 580.412521][ T8267] debugfs: out of free dentries, can not create file 'timeout'
[ 580.752005][ T8267] block nbd0: shutting down sockets
[ 580.812253][ T8270] block nbd0: Device being setup by another task
[ 580.881700][ T8270] block nbd0: Device being setup by another task
[ 580.992613][ T8273] FAULT_INJECTION: forcing a failure.
[ 580.992613][ T8273] name failslab, interval 1, probability 0, space 0, times 0
[ 581.005273][ T8273] CPU: 1 UID: 0 PID: 8273 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 581.005297][ T8273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 581.005308][ T8273] Call Trace:
[ 581.005315][ T8273]
[ 581.005321][ T8273] dump_stack_lvl+0x16c/0x1f0
[ 581.005346][ T8273] should_fail_ex+0x512/0x640
[ 581.005358][ T8273] ? fs_reclaim_acquire+0xae/0x150
[ 581.005375][ T8273] should_failslab+0xc2/0x120
[ 581.005390][ T8273] __kmalloc_cache_node_noprof+0x83/0x830
[ 581.005405][ T8273] ? lockdep_init_map_type+0x5c/0x270
[ 581.005418][ T8273] ? sbitmap_queue_init_node+0x291/0x4a0
[ 581.005435][ T8273] ? sbitmap_queue_init_node+0x291/0x4a0
[ 581.005449][ T8273] sbitmap_queue_init_node+0x291/0x4a0
[ 581.005464][ T8273] blk_mq_init_tags+0x1b4/0x320
[ 581.005485][ T8273] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 581.005503][ T8273] blk_mq_alloc_sched_tags+0x1de/0x350
[ 581.005516][ T8273] blk_mq_alloc_sched_res+0x8e/0x250
[ 581.005528][ T8273] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 581.005542][ T8273] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 581.005559][ T8273] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 581.005581][ T8273] nbd_start_device+0x1b0/0xd70
[ 581.005596][ T8273] ? bpf_lsm_capable+0x9/0x10
[ 581.005612][ T8273] nbd_ioctl+0x219/0xda0
[ 581.005624][ T8273] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 581.005637][ T8273] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.005648][ T8273] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 581.005670][ T8273] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.005682][ T8273] blkdev_ioctl+0x5b0/0x6e0
[ 581.005693][ T8273] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.005703][ T8273] ? selinux_file_ioctl+0x180/0x270
[ 581.005717][ T8273] ? selinux_file_ioctl+0xb4/0x270
[ 581.005734][ T8273] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.005745][ T8273] __x64_sys_ioctl+0x18e/0x210
[ 581.005759][ T8273] do_syscall_64+0xcd/0xf80
[ 581.005776][ T8273] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.005788][ T8273] RIP: 0033:0x7fc8ec499569
[ 581.005797][ T8273] 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
[ 581.005808][ T8273] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 581.005818][ T8273] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 581.005826][ T8273] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 581.005832][ T8273] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 581.005839][ T8273] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 581.005845][ T8273] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 581.005861][ T8273]
[ 581.332091][ T8273] block nbd0: shutting down sockets
[ 581.604227][ T8276] block nbd0: shutting down sockets
[ 581.894259][ T8278] block nbd0: shutting down sockets
[ 582.143177][ T8280] block nbd0: shutting down sockets
[ 582.403988][ T8282] block nbd0: shutting down sockets
[ 582.653829][ T8284] block nbd0: shutting down sockets
[ 582.914040][ T8286] block nbd0: shutting down sockets
[ 583.223086][ T8288] block nbd0: shutting down sockets
[ 583.483616][ T8291] block nbd0: shutting down sockets
[ 583.582848][ T8293] FAULT_INJECTION: forcing a failure.
[ 583.582848][ T8293] name failslab, interval 1, probability 0, space 0, times 0
[ 583.595598][ T8293] CPU: 1 UID: 0 PID: 8293 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 583.595624][ T8293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 583.595633][ T8293] Call Trace:
[ 583.595639][ T8293]
[ 583.595645][ T8293] dump_stack_lvl+0x16c/0x1f0
[ 583.595671][ T8293] should_fail_ex+0x512/0x640
[ 583.595685][ T8293] ? fs_reclaim_acquire+0xae/0x150
[ 583.595707][ T8293] should_failslab+0xc2/0x120
[ 583.595727][ T8293] __kmalloc_cache_node_noprof+0x83/0x830
[ 583.595748][ T8293] ? lockdep_init_map_type+0x5c/0x270
[ 583.595767][ T8293] ? sbitmap_queue_init_node+0x291/0x4a0
[ 583.595790][ T8293] ? sbitmap_queue_init_node+0x291/0x4a0
[ 583.595808][ T8293] sbitmap_queue_init_node+0x291/0x4a0
[ 583.595829][ T8293] blk_mq_init_tags+0x1b4/0x320
[ 583.595851][ T8293] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 583.595875][ T8293] blk_mq_alloc_sched_tags+0x1de/0x350
[ 583.595894][ T8293] blk_mq_alloc_sched_res+0x8e/0x250
[ 583.595910][ T8293] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 583.595929][ T8293] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 583.595953][ T8293] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 583.595984][ T8293] nbd_start_device+0x1b0/0xd70
[ 583.596003][ T8293] ? bpf_lsm_capable+0x9/0x10
[ 583.596024][ T8293] nbd_ioctl+0x219/0xda0
[ 583.596041][ T8293] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 583.596058][ T8293] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.596077][ T8293] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 583.596108][ T8293] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.596124][ T8293] blkdev_ioctl+0x5b0/0x6e0
[ 583.596139][ T8293] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.596153][ T8293] ? selinux_file_ioctl+0x180/0x270
[ 583.596171][ T8293] ? selinux_file_ioctl+0xb4/0x270
[ 583.596191][ T8293] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.596207][ T8293] __x64_sys_ioctl+0x18e/0x210
[ 583.596230][ T8293] do_syscall_64+0xcd/0xf80
[ 583.596252][ T8293] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.596268][ T8293] RIP: 0033:0x7fc8ec499569
[ 583.596280][ T8293] 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
[ 583.596295][ T8293] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 583.596309][ T8293] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 583.596320][ T8293] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 583.596329][ T8293] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 583.596339][ T8293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 583.596348][ T8293] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 583.596370][ T8293]
[ 583.969899][ T8293] block nbd0: shutting down sockets
[ 584.252927][ T8295] block nbd0: shutting down sockets
[ 584.332883][ T8298] FAULT_INJECTION: forcing a failure.
[ 584.332883][ T8298] name failslab, interval 1, probability 0, space 0, times 0
[ 584.345536][ T8298] CPU: 1 UID: 0 PID: 8298 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 584.345561][ T8298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 584.345568][ T8298] Call Trace:
[ 584.345574][ T8298]
[ 584.345580][ T8298] dump_stack_lvl+0x16c/0x1f0
[ 584.345600][ T8298] should_fail_ex+0x512/0x640
[ 584.345611][ T8298] ? fs_reclaim_acquire+0xae/0x150
[ 584.345628][ T8298] should_failslab+0xc2/0x120
[ 584.345643][ T8298] __kmalloc_cache_node_noprof+0x83/0x830
[ 584.345657][ T8298] ? lockdep_init_map_type+0x5c/0x270
[ 584.345671][ T8298] ? sbitmap_queue_init_node+0x291/0x4a0
[ 584.345688][ T8298] ? sbitmap_queue_init_node+0x291/0x4a0
[ 584.345701][ T8298] sbitmap_queue_init_node+0x291/0x4a0
[ 584.345716][ T8298] blk_mq_init_tags+0x1b4/0x320
[ 584.345732][ T8298] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 584.345750][ T8298] blk_mq_alloc_sched_tags+0x1de/0x350
[ 584.345764][ T8298] blk_mq_alloc_sched_res+0x8e/0x250
[ 584.345775][ T8298] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 584.345789][ T8298] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 584.345806][ T8298] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 584.345828][ T8298] nbd_start_device+0x1b0/0xd70
[ 584.345842][ T8298] ? bpf_lsm_capable+0x9/0x10
[ 584.345859][ T8298] nbd_ioctl+0x219/0xda0
[ 584.345871][ T8298] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 584.345885][ T8298] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.345895][ T8298] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 584.345917][ T8298] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.345932][ T8298] blkdev_ioctl+0x5b0/0x6e0
[ 584.345942][ T8298] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.345952][ T8298] ? selinux_file_ioctl+0x180/0x270
[ 584.345966][ T8298] ? selinux_file_ioctl+0xb4/0x270
[ 584.345981][ T8298] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.345993][ T8298] __x64_sys_ioctl+0x18e/0x210
[ 584.346007][ T8298] do_syscall_64+0xcd/0xf80
[ 584.346024][ T8298] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.346035][ T8298] RIP: 0033:0x7fc8ec499569
[ 584.346045][ T8298] 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
[ 584.346055][ T8298] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 584.346065][ T8298] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 584.346073][ T8298] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 584.346079][ T8298] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 584.346086][ T8298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 584.346092][ T8298] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 584.346107][ T8298]
[ 584.651875][ T8298] block nbd0: shutting down sockets
[ 584.923375][ T8300] block nbd0: shutting down sockets
[ 585.172136][ T8302] block nbd0: shutting down sockets
[ 585.434111][ T8304] block nbd0: shutting down sockets
[ 585.532701][ T8306] FAULT_INJECTION: forcing a failure.
[ 585.532701][ T8306] name failslab, interval 1, probability 0, space 0, times 0
[ 585.545356][ T8306] CPU: 0 UID: 0 PID: 8306 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 585.545382][ T8306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 585.545393][ T8306] Call Trace:
[ 585.545400][ T8306]
[ 585.545405][ T8306] dump_stack_lvl+0x16c/0x1f0
[ 585.545426][ T8306] should_fail_ex+0x512/0x640
[ 585.545437][ T8306] ? fs_reclaim_acquire+0xae/0x150
[ 585.545462][ T8306] should_failslab+0xc2/0x120
[ 585.545487][ T8306] __kmalloc_cache_node_noprof+0x83/0x830
[ 585.545511][ T8306] ? lockdep_init_map_type+0x5c/0x270
[ 585.545529][ T8306] ? sbitmap_queue_init_node+0x291/0x4a0
[ 585.545545][ T8306] ? sbitmap_queue_init_node+0x291/0x4a0
[ 585.545558][ T8306] sbitmap_queue_init_node+0x291/0x4a0
[ 585.545574][ T8306] blk_mq_init_tags+0x1b4/0x320
[ 585.545589][ T8306] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 585.545608][ T8306] blk_mq_alloc_sched_tags+0x1de/0x350
[ 585.545621][ T8306] blk_mq_alloc_sched_res+0x8e/0x250
[ 585.545633][ T8306] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 585.545647][ T8306] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 585.545664][ T8306] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 585.545686][ T8306] nbd_start_device+0x1b0/0xd70
[ 585.545700][ T8306] ? bpf_lsm_capable+0x9/0x10
[ 585.545716][ T8306] nbd_ioctl+0x219/0xda0
[ 585.545728][ T8306] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.545742][ T8306] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.545752][ T8306] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.545774][ T8306] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.545786][ T8306] blkdev_ioctl+0x5b0/0x6e0
[ 585.545797][ T8306] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.545807][ T8306] ? selinux_file_ioctl+0x180/0x270
[ 585.545821][ T8306] ? selinux_file_ioctl+0xb4/0x270
[ 585.545836][ T8306] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.545847][ T8306] __x64_sys_ioctl+0x18e/0x210
[ 585.545861][ T8306] do_syscall_64+0xcd/0xf80
[ 585.545878][ T8306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.545889][ T8306] RIP: 0033:0x7fc8ec499569
[ 585.545899][ T8306] 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
[ 585.545909][ T8306] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.545920][ T8306] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 585.545928][ T8306] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 585.545934][ T8306] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 585.545941][ T8306] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 585.545948][ T8306] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.545963][ T8306]
[ 585.851955][ T8306] block nbd0: shutting down sockets
[ 585.971700][ T8309] block nbd0: Device being setup by another task
[ 585.978844][ T8308] FAULT_INJECTION: forcing a failure.
[ 585.978844][ T8308] name failslab, interval 1, probability 0, space 0, times 0
[ 585.991588][ T8308] CPU: 1 UID: 0 PID: 8308 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 585.991606][ T8308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 585.991616][ T8308] Call Trace:
[ 585.991623][ T8308]
[ 585.991629][ T8308] dump_stack_lvl+0x16c/0x1f0
[ 585.991658][ T8308] should_fail_ex+0x512/0x640
[ 585.991675][ T8308] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 585.991699][ T8308] should_failslab+0xc2/0x120
[ 585.991720][ T8308] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 585.991733][ T8308] ? alloc_inode+0x64/0x240
[ 585.991747][ T8308] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 585.991759][ T8308] ? alloc_inode+0x64/0x240
[ 585.991770][ T8308] alloc_inode+0x64/0x240
[ 585.991782][ T8308] new_inode+0x22/0x1c0
[ 585.991795][ T8308] __debugfs_create_file+0x105/0x530
[ 585.991809][ T8308] debugfs_create_file_unsafe+0x3c/0x50
[ 585.991823][ T8308] debugfs_create_u32+0x70/0xa0
[ 585.991835][ T8308] nbd_start_device+0x485/0xd70
[ 585.991849][ T8308] ? bpf_lsm_capable+0x9/0x10
[ 585.991865][ T8308] nbd_ioctl+0x219/0xda0
[ 585.991877][ T8308] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.991890][ T8308] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.991901][ T8308] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.991923][ T8308] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.991935][ T8308] blkdev_ioctl+0x5b0/0x6e0
[ 585.991947][ T8308] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.991957][ T8308] ? selinux_file_ioctl+0x180/0x270
[ 585.991970][ T8308] ? selinux_file_ioctl+0xb4/0x270
[ 585.991991][ T8308] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.992002][ T8308] __x64_sys_ioctl+0x18e/0x210
[ 585.992016][ T8308] do_syscall_64+0xcd/0xf80
[ 585.992032][ T8308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.992044][ T8308] RIP: 0033:0x7fc8ec499569
[ 585.992053][ T8308] 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
[ 585.992064][ T8308] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.992075][ T8308] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 585.992083][ T8308] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 585.992089][ T8308] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 585.992096][ T8308] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 585.992102][ T8308] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.992117][ T8308]
[ 586.233441][ T8308] debugfs: out of free dentries, can not create file 'timeout'
[ 586.349157][ T8308] block nbd0: shutting down sockets
[ 586.603174][ T8311] block nbd0: shutting down sockets
[ 586.881973][ T8313] block nbd0: shutting down sockets
[ 587.173064][ T8316] block nbd0: shutting down sockets
[ 587.281840][ T8320] block nbd0: Device being setup by another task
[ 587.289103][ T8319] FAULT_INJECTION: forcing a failure.
[ 587.289103][ T8319] name failslab, interval 1, probability 0, space 0, times 0
[ 587.301852][ T8319] CPU: 0 UID: 0 PID: 8319 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 587.301878][ T8319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 587.301888][ T8319] Call Trace:
[ 587.301898][ T8319]
[ 587.301906][ T8319] dump_stack_lvl+0x16c/0x1f0
[ 587.301935][ T8319] should_fail_ex+0x512/0x640
[ 587.301952][ T8319] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 587.301976][ T8319] should_failslab+0xc2/0x120
[ 587.301993][ T8319] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 587.302006][ T8319] ? alloc_inode+0x64/0x240
[ 587.302021][ T8319] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 587.302032][ T8319] ? alloc_inode+0x64/0x240
[ 587.302043][ T8319] alloc_inode+0x64/0x240
[ 587.302055][ T8319] new_inode+0x22/0x1c0
[ 587.302075][ T8319] __debugfs_create_file+0x105/0x530
[ 587.302089][ T8319] debugfs_create_file_unsafe+0x3c/0x50
[ 587.302106][ T8319] debugfs_create_u32+0x70/0xa0
[ 587.302128][ T8319] nbd_start_device+0x485/0xd70
[ 587.302143][ T8319] ? bpf_lsm_capable+0x9/0x10
[ 587.302160][ T8319] nbd_ioctl+0x219/0xda0
[ 587.302172][ T8319] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 587.302186][ T8319] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.302196][ T8319] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 587.302219][ T8319] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.302231][ T8319] blkdev_ioctl+0x5b0/0x6e0
[ 587.302243][ T8319] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.302253][ T8319] ? selinux_file_ioctl+0x180/0x270
[ 587.302267][ T8319] ? selinux_file_ioctl+0xb4/0x270
[ 587.302282][ T8319] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.302293][ T8319] __x64_sys_ioctl+0x18e/0x210
[ 587.302307][ T8319] do_syscall_64+0xcd/0xf80
[ 587.302324][ T8319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.302336][ T8319] RIP: 0033:0x7fc8ec499569
[ 587.302346][ T8319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 587.302357][ T8319] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 587.302368][ T8319] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 587.302375][ T8319] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 587.302381][ T8319] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 587.302388][ T8319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 587.302394][ T8319] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 587.302409][ T8319]
[ 587.302415][ T8319] debugfs: out of free dentries, can not create file 'timeout'
[ 587.591959][ T8319] block nbd0: shutting down sockets
[ 587.843996][ T8322] block nbd0: shutting down sockets
[ 588.113340][ T8324] block nbd0: shutting down sockets
[ 588.221829][ T8327] block nbd0: Device being setup by another task
[ 588.228987][ T8326] FAULT_INJECTION: forcing a failure.
[ 588.228987][ T8326] name failslab, interval 1, probability 0, space 0, times 0
[ 588.241762][ T8326] CPU: 0 UID: 0 PID: 8326 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 588.241783][ T8326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 588.241793][ T8326] Call Trace:
[ 588.241800][ T8326]
[ 588.241807][ T8326] dump_stack_lvl+0x16c/0x1f0
[ 588.241834][ T8326] should_fail_ex+0x512/0x640
[ 588.241852][ T8326] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 588.241882][ T8326] should_failslab+0xc2/0x120
[ 588.241905][ T8326] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 588.241928][ T8326] ? alloc_inode+0x64/0x240
[ 588.241954][ T8326] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 588.241974][ T8326] ? alloc_inode+0x64/0x240
[ 588.241993][ T8326] alloc_inode+0x64/0x240
[ 588.242014][ T8326] new_inode+0x22/0x1c0
[ 588.242037][ T8326] __debugfs_create_file+0x105/0x530
[ 588.242069][ T8326] debugfs_create_file_unsafe+0x3c/0x50
[ 588.242094][ T8326] debugfs_create_u32+0x70/0xa0
[ 588.242116][ T8326] nbd_start_device+0x485/0xd70
[ 588.242141][ T8326] ? bpf_lsm_capable+0x9/0x10
[ 588.242168][ T8326] nbd_ioctl+0x219/0xda0
[ 588.242190][ T8326] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 588.242213][ T8326] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.242231][ T8326] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 588.242268][ T8326] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.242286][ T8326] blkdev_ioctl+0x5b0/0x6e0
[ 588.242306][ T8326] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.242320][ T8326] ? selinux_file_ioctl+0x180/0x270
[ 588.242341][ T8326] ? selinux_file_ioctl+0xb4/0x270
[ 588.242368][ T8326] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.242389][ T8326] __x64_sys_ioctl+0x18e/0x210
[ 588.242412][ T8326] do_syscall_64+0xcd/0xf80
[ 588.242440][ T8326] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.242460][ T8326] RIP: 0033:0x7fc8ec499569
[ 588.242478][ T8326] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 588.242503][ T8326] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 588.242523][ T8326] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 588.242536][ T8326] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 588.242547][ T8326] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 588.242559][ T8326] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 588.242572][ T8326] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 588.242601][ T8326]
[ 588.242610][ T8326] debugfs: out of free dentries, can not create file 'timeout'
[ 588.611963][ T8326] block nbd0: shutting down sockets
[ 588.883527][ T8329] block nbd0: shutting down sockets
[ 589.152550][ T8331] block nbd0: shutting down sockets
[ 589.413102][ T8333] block nbd0: shutting down sockets
[ 589.513134][ T8335] FAULT_INJECTION: forcing a failure.
[ 589.513134][ T8335] name failslab, interval 1, probability 0, space 0, times 0
[ 589.525846][ T8335] CPU: 0 UID: 0 PID: 8335 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 589.525870][ T8335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 589.525882][ T8335] Call Trace:
[ 589.525891][ T8335]
[ 589.525898][ T8335] dump_stack_lvl+0x16c/0x1f0
[ 589.525919][ T8335] should_fail_ex+0x512/0x640
[ 589.525930][ T8335] ? fs_reclaim_acquire+0xae/0x150
[ 589.525946][ T8335] should_failslab+0xc2/0x120
[ 589.525961][ T8335] __kmalloc_cache_node_noprof+0x83/0x830
[ 589.525976][ T8335] ? lockdep_init_map_type+0x5c/0x270
[ 589.525989][ T8335] ? sbitmap_queue_init_node+0x291/0x4a0
[ 589.526006][ T8335] ? sbitmap_queue_init_node+0x291/0x4a0
[ 589.526020][ T8335] sbitmap_queue_init_node+0x291/0x4a0
[ 589.526035][ T8335] blk_mq_init_tags+0x1b4/0x320
[ 589.526052][ T8335] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 589.526069][ T8335] blk_mq_alloc_sched_tags+0x1de/0x350
[ 589.526083][ T8335] blk_mq_alloc_sched_res+0x8e/0x250
[ 589.526094][ T8335] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 589.526109][ T8335] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 589.526126][ T8335] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 589.526148][ T8335] nbd_start_device+0x1b0/0xd70
[ 589.526163][ T8335] ? bpf_lsm_capable+0x9/0x10
[ 589.526179][ T8335] nbd_ioctl+0x219/0xda0
[ 589.526191][ T8335] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 589.526204][ T8335] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.526215][ T8335] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 589.526237][ T8335] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.526249][ T8335] blkdev_ioctl+0x5b0/0x6e0
[ 589.526260][ T8335] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.526270][ T8335] ? selinux_file_ioctl+0x180/0x270
[ 589.526284][ T8335] ? selinux_file_ioctl+0xb4/0x270
[ 589.526299][ T8335] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.526310][ T8335] __x64_sys_ioctl+0x18e/0x210
[ 589.526324][ T8335] do_syscall_64+0xcd/0xf80
[ 589.526341][ T8335] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.526353][ T8335] RIP: 0033:0x7fc8ec499569
[ 589.526363][ T8335] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 589.526373][ T8335] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 589.526384][ T8335] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 589.526392][ T8335] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 589.526398][ T8335] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 589.526405][ T8335] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 589.526411][ T8335] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 589.526426][ T8335]
[ 589.843024][ T8335] block nbd0: shutting down sockets
[ 590.102130][ T8337] block nbd0: shutting down sockets
[ 590.363039][ T8339] block nbd0: shutting down sockets
[ 590.634101][ T8341] block nbd0: shutting down sockets
[ 590.741845][ T8344] block nbd0: Device being setup by another task
[ 590.749430][ T8343] FAULT_INJECTION: forcing a failure.
[ 590.749430][ T8343] name failslab, interval 1, probability 0, space 0, times 0
[ 590.762129][ T8343] CPU: 1 UID: 0 PID: 8343 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 590.762153][ T8343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 590.762163][ T8343] Call Trace:
[ 590.762169][ T8343]
[ 590.762175][ T8343] dump_stack_lvl+0x16c/0x1f0
[ 590.762200][ T8343] should_fail_ex+0x512/0x640
[ 590.762217][ T8343] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 590.762238][ T8343] should_failslab+0xc2/0x120
[ 590.762260][ T8343] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 590.762279][ T8343] ? alloc_inode+0x64/0x240
[ 590.762302][ T8343] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 590.762319][ T8343] ? alloc_inode+0x64/0x240
[ 590.762333][ T8343] alloc_inode+0x64/0x240
[ 590.762353][ T8343] new_inode+0x22/0x1c0
[ 590.762377][ T8343] __debugfs_create_file+0x105/0x530
[ 590.762410][ T8343] debugfs_create_file_unsafe+0x3c/0x50
[ 590.762434][ T8343] debugfs_create_u32+0x70/0xa0
[ 590.762456][ T8343] nbd_start_device+0x485/0xd70
[ 590.762479][ T8343] ? bpf_lsm_capable+0x9/0x10
[ 590.762505][ T8343] nbd_ioctl+0x219/0xda0
[ 590.762561][ T8343] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 590.762584][ T8343] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.762602][ T8343] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 590.762641][ T8343] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.762662][ T8343] blkdev_ioctl+0x5b0/0x6e0
[ 590.762682][ T8343] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.762699][ T8343] ? selinux_file_ioctl+0x180/0x270
[ 590.762722][ T8343] ? selinux_file_ioctl+0xb4/0x270
[ 590.762748][ T8343] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.762768][ T8343] __x64_sys_ioctl+0x18e/0x210
[ 590.762792][ T8343] do_syscall_64+0xcd/0xf80
[ 590.762819][ T8343] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.762839][ T8343] RIP: 0033:0x7fc8ec499569
[ 590.762857][ T8343] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 590.762875][ T8343] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 590.762893][ T8343] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 590.762906][ T8343] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 590.762918][ T8343] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 590.762930][ T8343] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 590.762942][ T8343] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 590.762971][ T8343]
[ 590.762979][ T8343] debugfs: out of free dentries, can not create file 'timeout'
[ 591.052029][ T8343] block nbd0: shutting down sockets
[ 591.313747][ T8346] block nbd0: shutting down sockets
[ 591.431794][ T8349] block nbd0: Device being setup by another task
[ 591.438874][ T8348] FAULT_INJECTION: forcing a failure.
[ 591.438874][ T8348] name failslab, interval 1, probability 0, space 0, times 0
[ 591.451556][ T8348] CPU: 1 UID: 0 PID: 8348 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 591.451573][ T8348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 591.451580][ T8348] Call Trace:
[ 591.451584][ T8348]
[ 591.451589][ T8348] dump_stack_lvl+0x16c/0x1f0
[ 591.451608][ T8348] should_fail_ex+0x512/0x640
[ 591.451628][ T8348] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 591.451649][ T8348] should_failslab+0xc2/0x120
[ 591.451671][ T8348] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 591.451690][ T8348] ? alloc_inode+0x64/0x240
[ 591.451709][ T8348] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 591.451720][ T8348] ? alloc_inode+0x64/0x240
[ 591.451731][ T8348] alloc_inode+0x64/0x240
[ 591.451742][ T8348] new_inode+0x22/0x1c0
[ 591.451756][ T8348] __debugfs_create_file+0x105/0x530
[ 591.451770][ T8348] debugfs_create_file_unsafe+0x3c/0x50
[ 591.451784][ T8348] debugfs_create_u32+0x70/0xa0
[ 591.451796][ T8348] nbd_start_device+0x485/0xd70
[ 591.451811][ T8348] ? bpf_lsm_capable+0x9/0x10
[ 591.451827][ T8348] nbd_ioctl+0x219/0xda0
[ 591.451840][ T8348] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.451852][ T8348] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.451863][ T8348] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.451885][ T8348] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.451897][ T8348] blkdev_ioctl+0x5b0/0x6e0
[ 591.451909][ T8348] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.451919][ T8348] ? selinux_file_ioctl+0x180/0x270
[ 591.451933][ T8348] ? selinux_file_ioctl+0xb4/0x270
[ 591.451948][ T8348] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.451959][ T8348] __x64_sys_ioctl+0x18e/0x210
[ 591.451973][ T8348] do_syscall_64+0xcd/0xf80
[ 591.451990][ T8348] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.452002][ T8348] RIP: 0033:0x7fc8ec499569
[ 591.452012][ T8348] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 591.452022][ T8348] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.452034][ T8348] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 591.452041][ T8348] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 591.452048][ T8348] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 591.452054][ T8348] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 591.452061][ T8348] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.452076][ T8348]
[ 591.693102][ T8348] debugfs: out of free dentries, can not create file 'timeout'
[ 591.809810][ T8348] block nbd0: shutting down sockets
[ 591.941778][ T8352] block nbd0: Device being setup by another task
[ 591.948823][ T8351] FAULT_INJECTION: forcing a failure.
[ 591.948823][ T8351] name failslab, interval 1, probability 0, space 0, times 0
[ 591.961512][ T8351] CPU: 0 UID: 0 PID: 8351 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 591.961534][ T8351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 591.961545][ T8351] Call Trace:
[ 591.961551][ T8351]
[ 591.961558][ T8351] dump_stack_lvl+0x16c/0x1f0
[ 591.961585][ T8351] should_fail_ex+0x512/0x640
[ 591.961601][ T8351] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 591.961627][ T8351] should_failslab+0xc2/0x120
[ 591.961651][ T8351] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 591.961668][ T8351] ? alloc_inode+0x64/0x240
[ 591.961691][ T8351] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 591.961709][ T8351] ? alloc_inode+0x64/0x240
[ 591.961727][ T8351] alloc_inode+0x64/0x240
[ 591.961748][ T8351] new_inode+0x22/0x1c0
[ 591.961771][ T8351] __debugfs_create_file+0x105/0x530
[ 591.961796][ T8351] debugfs_create_file_unsafe+0x3c/0x50
[ 591.961820][ T8351] debugfs_create_u32+0x70/0xa0
[ 591.961842][ T8351] nbd_start_device+0x485/0xd70
[ 591.961865][ T8351] ? bpf_lsm_capable+0x9/0x10
[ 591.961891][ T8351] nbd_ioctl+0x219/0xda0
[ 591.961913][ T8351] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.961935][ T8351] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.961954][ T8351] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.961993][ T8351] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.962014][ T8351] blkdev_ioctl+0x5b0/0x6e0
[ 591.962034][ T8351] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.962051][ T8351] ? selinux_file_ioctl+0x180/0x270
[ 591.962075][ T8351] ? selinux_file_ioctl+0xb4/0x270
[ 591.962100][ T8351] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.962121][ T8351] __x64_sys_ioctl+0x18e/0x210
[ 591.962145][ T8351] do_syscall_64+0xcd/0xf80
[ 591.962172][ T8351] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.962192][ T8351] RIP: 0033:0x7fc8ec499569
[ 591.962207][ T8351] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 591.962225][ T8351] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.962243][ T8351] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 591.962256][ T8351] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 591.962268][ T8351] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 591.962280][ T8351] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 591.962292][ T8351] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.962321][ T8351]
[ 592.202494][ T8351] debugfs: out of free dentries, can not create file 'timeout'
[ 592.320923][ T8351] block nbd0: shutting down sockets
[ 592.593638][ T8354] block nbd0: shutting down sockets
[ 592.863835][ T8356] block nbd0: shutting down sockets
[ 593.103417][ T8358] block nbd0: shutting down sockets
[ 593.251792][ T8361] block nbd0: Device being setup by another task
[ 593.258908][ T8360] FAULT_INJECTION: forcing a failure.
[ 593.258908][ T8360] name failslab, interval 1, probability 0, space 0, times 0
[ 593.271691][ T8360] CPU: 1 UID: 0 PID: 8360 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 593.271715][ T8360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 593.271726][ T8360] Call Trace:
[ 593.271733][ T8360]
[ 593.271740][ T8360] dump_stack_lvl+0x16c/0x1f0
[ 593.271762][ T8360] should_fail_ex+0x512/0x640
[ 593.271773][ T8360] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 593.271788][ T8360] should_failslab+0xc2/0x120
[ 593.271803][ T8360] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 593.271816][ T8360] ? alloc_inode+0x64/0x240
[ 593.271830][ T8360] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 593.271842][ T8360] ? alloc_inode+0x64/0x240
[ 593.271852][ T8360] alloc_inode+0x64/0x240
[ 593.271864][ T8360] new_inode+0x22/0x1c0
[ 593.271878][ T8360] __debugfs_create_file+0x105/0x530
[ 593.271892][ T8360] debugfs_create_file_unsafe+0x3c/0x50
[ 593.271906][ T8360] debugfs_create_u32+0x70/0xa0
[ 593.271918][ T8360] nbd_start_device+0x485/0xd70
[ 593.271933][ T8360] ? bpf_lsm_capable+0x9/0x10
[ 593.271949][ T8360] nbd_ioctl+0x219/0xda0
[ 593.271961][ T8360] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 593.271974][ T8360] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.271984][ T8360] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 593.272007][ T8360] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.272018][ T8360] blkdev_ioctl+0x5b0/0x6e0
[ 593.272030][ T8360] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.272040][ T8360] ? selinux_file_ioctl+0x180/0x270
[ 593.272056][ T8360] ? selinux_file_ioctl+0xb4/0x270
[ 593.272073][ T8360] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.272085][ T8360] __x64_sys_ioctl+0x18e/0x210
[ 593.272099][ T8360] do_syscall_64+0xcd/0xf80
[ 593.272115][ T8360] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.272127][ T8360] RIP: 0033:0x7fc8ec499569
[ 593.272137][ T8360] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 593.272147][ T8360] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 593.272158][ T8360] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 593.272166][ T8360] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 593.272172][ T8360] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 593.272179][ T8360] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 593.272186][ T8360] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 593.272201][ T8360]
[ 593.272206][ T8360] debugfs: out of free dentries, can not create file 'timeout'
[ 593.551923][ T8360] block nbd0: shutting down sockets
[ 593.813141][ T8363] block nbd0: shutting down sockets
[ 593.951868][ T8366] block nbd0: Device being setup by another task
[ 593.959308][ T8365] FAULT_INJECTION: forcing a failure.
[ 593.959308][ T8365] name failslab, interval 1, probability 0, space 0, times 0
[ 593.971984][ T8365] CPU: 0 UID: 0 PID: 8365 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 593.972010][ T8365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 593.972022][ T8365] Call Trace:
[ 593.972031][ T8365]
[ 593.972037][ T8365] dump_stack_lvl+0x16c/0x1f0
[ 593.972057][ T8365] should_fail_ex+0x512/0x640
[ 593.972068][ T8365] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 593.972083][ T8365] should_failslab+0xc2/0x120
[ 593.972098][ T8365] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 593.972110][ T8365] ? alloc_inode+0x64/0x240
[ 593.972125][ T8365] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 593.972137][ T8365] ? alloc_inode+0x64/0x240
[ 593.972147][ T8365] alloc_inode+0x64/0x240
[ 593.972160][ T8365] new_inode+0x22/0x1c0
[ 593.972173][ T8365] __debugfs_create_file+0x105/0x530
[ 593.972187][ T8365] debugfs_create_file_unsafe+0x3c/0x50
[ 593.972201][ T8365] debugfs_create_u32+0x70/0xa0
[ 593.972213][ T8365] nbd_start_device+0x485/0xd70
[ 593.972229][ T8365] ? bpf_lsm_capable+0x9/0x10
[ 593.972245][ T8365] nbd_ioctl+0x219/0xda0
[ 593.972258][ T8365] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 593.972271][ T8365] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.972282][ T8365] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 593.972305][ T8365] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.972316][ T8365] blkdev_ioctl+0x5b0/0x6e0
[ 593.972328][ T8365] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.972338][ T8365] ? selinux_file_ioctl+0x180/0x270
[ 593.972351][ T8365] ? selinux_file_ioctl+0xb4/0x270
[ 593.972367][ T8365] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.972378][ T8365] __x64_sys_ioctl+0x18e/0x210
[ 593.972391][ T8365] do_syscall_64+0xcd/0xf80
[ 593.972409][ T8365] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.972421][ T8365] RIP: 0033:0x7fc8ec499569
[ 593.972430][ T8365] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 593.972441][ T8365] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 593.972452][ T8365] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 593.972459][ T8365] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 593.972466][ T8365] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 593.972473][ T8365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 593.972485][ T8365] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 593.972500][ T8365]
[ 593.972506][ T8365] debugfs: out of free dentries, can not create file 'timeout'
[ 594.262045][ T8365] block nbd0: shutting down sockets
[ 594.523485][ T8368] block nbd0: shutting down sockets
[ 594.642570][ T8370] FAULT_INJECTION: forcing a failure.
[ 594.642570][ T8370] name failslab, interval 1, probability 0, space 0, times 0
[ 594.655343][ T8370] CPU: 0 UID: 0 PID: 8370 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 594.655360][ T8370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 594.655368][ T8370] Call Trace:
[ 594.655372][ T8370]
[ 594.655377][ T8370] dump_stack_lvl+0x16c/0x1f0
[ 594.655397][ T8370] should_fail_ex+0x512/0x640
[ 594.655413][ T8370] ? fs_reclaim_acquire+0xae/0x150
[ 594.655430][ T8370] should_failslab+0xc2/0x120
[ 594.655445][ T8370] __kmalloc_cache_node_noprof+0x83/0x830
[ 594.655459][ T8370] ? lockdep_init_map_type+0x5c/0x270
[ 594.655473][ T8370] ? sbitmap_queue_init_node+0x291/0x4a0
[ 594.655490][ T8370] ? sbitmap_queue_init_node+0x291/0x4a0
[ 594.655503][ T8370] sbitmap_queue_init_node+0x291/0x4a0
[ 594.655518][ T8370] blk_mq_init_tags+0x1b4/0x320
[ 594.655534][ T8370] blk_mq_alloc_map_and_rqs+0x222/0xeb0
[ 594.655551][ T8370] blk_mq_alloc_sched_tags+0x1de/0x350
[ 594.655564][ T8370] blk_mq_alloc_sched_res+0x8e/0x250
[ 594.655576][ T8370] blk_mq_alloc_sched_res_batch+0xfe/0x500
[ 594.655590][ T8370] blk_mq_update_nr_hw_queues+0x277/0x1280
[ 594.655606][ T8370] ? __pfx_blk_mq_update_nr_hw_queues+0x10/0x10
[ 594.655628][ T8370] nbd_start_device+0x1b0/0xd70
[ 594.655642][ T8370] ? bpf_lsm_capable+0x9/0x10
[ 594.655658][ T8370] nbd_ioctl+0x219/0xda0
[ 594.655670][ T8370] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 594.655683][ T8370] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.655693][ T8370] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 594.655715][ T8370] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.655727][ T8370] blkdev_ioctl+0x5b0/0x6e0
[ 594.655738][ T8370] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.655748][ T8370] ? selinux_file_ioctl+0x180/0x270
[ 594.655762][ T8370] ? selinux_file_ioctl+0xb4/0x270
[ 594.655777][ T8370] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.655788][ T8370] __x64_sys_ioctl+0x18e/0x210
[ 594.655802][ T8370] do_syscall_64+0xcd/0xf80
[ 594.655818][ T8370] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.655830][ T8370] RIP: 0033:0x7fc8ec499569
[ 594.655839][ T8370] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 594.655849][ T8370] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 594.655860][ T8370] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 594.655868][ T8370] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 594.655874][ T8370] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 594.655881][ T8370] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 594.655888][ T8370] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 594.655904][ T8370]
[ 594.962021][ T8370] block nbd0: shutting down sockets
[ 595.061740][ T8374] block nbd0: Device being setup by another task
[ 595.068897][ T8373] FAULT_INJECTION: forcing a failure.
[ 595.068897][ T8373] name failslab, interval 1, probability 0, space 0, times 0
[ 595.081692][ T8373] CPU: 0 UID: 0 PID: 8373 Comm: syz-executor139 Not tainted syzkaller #0 PREEMPT(full)
[ 595.081713][ T8373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 595.081723][ T8373] Call Trace:
[ 595.081730][ T8373]
[ 595.081736][ T8373] dump_stack_lvl+0x16c/0x1f0
[ 595.081764][ T8373] should_fail_ex+0x512/0x640
[ 595.081781][ T8373] ? kmem_cache_alloc_lru_noprof+0x66/0x770
[ 595.081803][ T8373] should_failslab+0xc2/0x120
[ 595.081826][ T8373] kmem_cache_alloc_lru_noprof+0x87/0x770
[ 595.081846][ T8373] ? alloc_inode+0x64/0x240
[ 595.081869][ T8373] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 595.081887][ T8373] ? alloc_inode+0x64/0x240
[ 595.081902][ T8373] alloc_inode+0x64/0x240
[ 595.081921][ T8373] new_inode+0x22/0x1c0
[ 595.081944][ T8373] __debugfs_create_file+0x105/0x530
[ 595.081968][ T8373] debugfs_create_file_unsafe+0x3c/0x50
[ 595.081993][ T8373] debugfs_create_u32+0x70/0xa0
[ 595.082014][ T8373] nbd_start_device+0x485/0xd70
[ 595.082037][ T8373] ? bpf_lsm_capable+0x9/0x10
[ 595.082062][ T8373] nbd_ioctl+0x219/0xda0
[ 595.082084][ T8373] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 595.082105][ T8373] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.082124][ T8373] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 595.082162][ T8373] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.082184][ T8373] blkdev_ioctl+0x5b0/0x6e0
[ 595.082204][ T8373] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.082222][ T8373] ? selinux_file_ioctl+0x180/0x270
[ 595.082245][ T8373] ? selinux_file_ioctl+0xb4/0x270
[ 595.082272][ T8373] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.082293][ T8373] __x64_sys_ioctl+0x18e/0x210
[ 595.082317][ T8373] do_syscall_64+0xcd/0xf80
[ 595.082351][ T8373] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.082371][ T8373] RIP: 0033:0x7fc8ec499569
[ 595.082387][ T8373] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 595.082405][ T8373] RSP: 002b:00007fc8ec44f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 595.082424][ T8373] RAX: ffffffffffffffda RBX: 00007fc8ec5203e8 RCX: 00007fc8ec499569
[ 595.082438][ T8373] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 595.082450][ T8373] RBP: 00007fc8ec5203e0 R08: 00007fc8ec44efa6 R09: 0000000000003831
[ 595.082463][ T8373] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8ec4ed194
[ 595.082475][ T8373] R13: 00007fc8ec44f210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 595.082503][ T8373]
[ 595.082512][ T8373] debugfs: out of free dentries, can not create file 'timeout'
[ 595.403343][ T8373] block nbd0: shutting down sockets
[ 595.684249][ T8376] block nbd0: shutting down sockets
[ 595.963677][ T8378] block nbd0: shutting down sockets