0x10/0x10
[ 566.861707][ T7920] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 566.861732][ T7920] ? __pfx_nbd_ioctl+0x10/0x10
[ 566.861745][ T7920] blkdev_ioctl+0x274/0x6d0
[ 566.861769][ T7920] ? __pfx_blkdev_ioctl+0x10/0x10
[ 566.861785][ T7920] ? selinux_file_ioctl+0x180/0x270
[ 566.861800][ T7920] ? selinux_file_ioctl+0xb4/0x270
[ 566.861817][ T7920] ? __pfx_blkdev_ioctl+0x10/0x10
[ 566.861834][ T7920] __x64_sys_ioctl+0x18b/0x210
[ 566.861852][ T7920] do_syscall_64+0xcd/0x4c0
[ 566.861867][ T7920] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 566.861879][ T7920] RIP: 0033:0x7f3be221f569
[ 566.861889][ T7920] 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
[ 566.861900][ T7920] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 566.861911][ T7920] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 566.861919][ T7920] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 566.861926][ T7920] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 566.861934][ T7920] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 566.861941][ T7920] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 566.861956][ T7920]
[ 567.229678][ T7920] block nbd0: shutting down sockets
[ 567.332012][ T7923] FAULT_INJECTION: forcing a failure.
[ 567.332012][ T7923] name failslab, interval 1, probability 0, space 0, times 0
[ 567.344697][ T7923] CPU: 0 UID: 0 PID: 7923 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 567.344723][ T7923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 567.344735][ T7923] Call Trace:
[ 567.344742][ T7923]
[ 567.344750][ T7923] dump_stack_lvl+0x16c/0x1f0
[ 567.344770][ T7923] should_fail_ex+0x512/0x640
[ 567.344785][ T7923] ? fs_reclaim_acquire+0xae/0x150
[ 567.344801][ T7923] should_failslab+0xc2/0x120
[ 567.344815][ T7923] __kvmalloc_node_noprof+0x137/0x620
[ 567.344828][ T7923] ? sbitmap_init_node+0x1ca/0x770
[ 567.344847][ T7923] ? sbitmap_init_node+0x1ca/0x770
[ 567.344862][ T7923] sbitmap_init_node+0x1ca/0x770
[ 567.344881][ T7923] sbitmap_queue_init_node+0x40/0x4a0
[ 567.344900][ T7923] blk_mq_init_tags+0x12d/0x2b0
[ 567.344915][ T7923] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 567.344933][ T7923] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 567.344953][ T7923] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 567.344972][ T7923] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 567.344983][ T7923] ? rcu_is_watching+0x12/0xc0
[ 567.344999][ T7923] ? trace_contention_end+0xdd/0x130
[ 567.345012][ T7923] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 567.345033][ T7923] ? __pfx_down_write+0x10/0x10
[ 567.345052][ T7923] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 567.345065][ T7923] nbd_start_device+0x1b0/0xd70
[ 567.345080][ T7923] ? bpf_lsm_capable+0x9/0x10
[ 567.345100][ T7923] nbd_ioctl+0x219/0xda0
[ 567.345113][ T7923] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 567.345131][ T7923] ? __pfx_nbd_ioctl+0x10/0x10
[ 567.345143][ T7923] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 567.345167][ T7923] ? __pfx_nbd_ioctl+0x10/0x10
[ 567.345180][ T7923] blkdev_ioctl+0x274/0x6d0
[ 567.345197][ T7923] ? __pfx_blkdev_ioctl+0x10/0x10
[ 567.345213][ T7923] ? selinux_file_ioctl+0x180/0x270
[ 567.345228][ T7923] ? selinux_file_ioctl+0xb4/0x270
[ 567.345245][ T7923] ? __pfx_blkdev_ioctl+0x10/0x10
[ 567.345262][ T7923] __x64_sys_ioctl+0x18b/0x210
[ 567.345292][ T7923] do_syscall_64+0xcd/0x4c0
[ 567.345306][ T7923] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 567.345319][ T7923] RIP: 0033:0x7f3be221f569
[ 567.345330][ T7923] 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
[ 567.345341][ T7923] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 567.345354][ T7923] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 567.345361][ T7923] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 567.345368][ T7923] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 567.345375][ T7923] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 567.345382][ T7923] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 567.345397][ T7923]
[ 567.734404][ T7923] block nbd0: shutting down sockets
[ 567.841346][ T7926] block nbd0: Device being setup by another task
[ 567.848456][ T7925] FAULT_INJECTION: forcing a failure.
[ 567.848456][ T7925] name failslab, interval 1, probability 0, space 0, times 0
[ 567.861157][ T7925] CPU: 1 UID: 0 PID: 7925 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 567.861186][ T7925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 567.861198][ T7925] Call Trace:
[ 567.861205][ T7925]
[ 567.861212][ T7925] dump_stack_lvl+0x16c/0x1f0
[ 567.861236][ T7925] should_fail_ex+0x512/0x640
[ 567.861258][ T7925] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 567.861283][ T7925] should_failslab+0xc2/0x120
[ 567.861305][ T7925] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 567.861328][ T7925] ? __d_alloc+0x32/0xae0
[ 567.861357][ T7925] __d_alloc+0x32/0xae0
[ 567.861386][ T7925] d_alloc_parallel+0x111/0x1480
[ 567.861418][ T7925] ? mark_held_locks+0x49/0x80
[ 567.861450][ T7925] ? __lock_acquire+0x62e/0x1ce0
[ 567.861479][ T7925] ? __pfx_d_alloc_parallel+0x10/0x10
[ 567.861511][ T7925] ? lockdep_init_map_type+0x5c/0x280
[ 567.861530][ T7925] ? lockdep_init_map_type+0x5c/0x280
[ 567.861554][ T7925] __lookup_slow+0x193/0x460
[ 567.861583][ T7925] ? __pfx___lookup_slow+0x10/0x10
[ 567.861615][ T7925] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 567.861657][ T7925] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 567.861685][ T7925] ? d_lookup+0xe7/0x190
[ 567.861718][ T7925] lookup_noperm+0xe1/0x110
[ 567.861744][ T7925] simple_start_creating+0xd1/0x1b0
[ 567.861768][ T7925] start_creating.part.0+0x82/0x190
[ 567.861789][ T7925] __debugfs_create_file+0xa7/0x6b0
[ 567.861817][ T7925] debugfs_create_file_unsafe+0x3c/0x50
[ 567.861845][ T7925] debugfs_create_u64+0x70/0xa0
[ 567.861870][ T7925] nbd_start_device+0x46c/0xd70
[ 567.861896][ T7925] ? bpf_lsm_capable+0x9/0x10
[ 567.861929][ T7925] nbd_ioctl+0x219/0xda0
[ 567.861953][ T7925] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 567.861981][ T7925] ? __pfx_nbd_ioctl+0x10/0x10
[ 567.862001][ T7925] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 567.862043][ T7925] ? __pfx_nbd_ioctl+0x10/0x10
[ 567.862066][ T7925] blkdev_ioctl+0x274/0x6d0
[ 567.862096][ T7925] ? __pfx_blkdev_ioctl+0x10/0x10
[ 567.862122][ T7925] ? selinux_file_ioctl+0x180/0x270
[ 567.862148][ T7925] ? selinux_file_ioctl+0xb4/0x270
[ 567.862176][ T7925] ? __pfx_blkdev_ioctl+0x10/0x10
[ 567.862206][ T7925] __x64_sys_ioctl+0x18b/0x210
[ 567.862236][ T7925] do_syscall_64+0xcd/0x4c0
[ 567.862262][ T7925] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 567.862283][ T7925] RIP: 0033:0x7f3be221f569
[ 567.862300][ T7925] 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
[ 567.862320][ T7925] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 567.862339][ T7925] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 567.862353][ T7925] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 567.862366][ T7925] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 567.862379][ T7925] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 567.862392][ T7925] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 567.862420][ T7925]
[ 568.266932][ T7925] block nbd0: shutting down sockets
[ 568.362218][ T7928] FAULT_INJECTION: forcing a failure.
[ 568.362218][ T7928] name failslab, interval 1, probability 0, space 0, times 0
[ 568.374875][ T7928] CPU: 0 UID: 0 PID: 7928 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 568.374892][ T7928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 568.374899][ T7928] Call Trace:
[ 568.374903][ T7928]
[ 568.374909][ T7928] dump_stack_lvl+0x16c/0x1f0
[ 568.374935][ T7928] should_fail_ex+0x512/0x640
[ 568.374957][ T7928] ? fs_reclaim_acquire+0xae/0x150
[ 568.374981][ T7928] should_failslab+0xc2/0x120
[ 568.374995][ T7928] __kvmalloc_node_noprof+0x137/0x620
[ 568.375007][ T7928] ? sbitmap_init_node+0x1ca/0x770
[ 568.375027][ T7928] ? sbitmap_init_node+0x1ca/0x770
[ 568.375041][ T7928] sbitmap_init_node+0x1ca/0x770
[ 568.375060][ T7928] sbitmap_queue_init_node+0x40/0x4a0
[ 568.375079][ T7928] blk_mq_init_tags+0x12d/0x2b0
[ 568.375094][ T7928] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 568.375112][ T7928] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 568.375131][ T7928] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 568.375151][ T7928] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 568.375162][ T7928] ? rcu_is_watching+0x12/0xc0
[ 568.375177][ T7928] ? trace_contention_end+0xdd/0x130
[ 568.375192][ T7928] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 568.375213][ T7928] ? __pfx_down_write+0x10/0x10
[ 568.375231][ T7928] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 568.375243][ T7928] nbd_start_device+0x1b0/0xd70
[ 568.375259][ T7928] ? bpf_lsm_capable+0x9/0x10
[ 568.375278][ T7928] nbd_ioctl+0x219/0xda0
[ 568.375292][ T7928] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 568.375310][ T7928] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.375322][ T7928] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 568.375355][ T7928] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.375369][ T7928] blkdev_ioctl+0x274/0x6d0
[ 568.375385][ T7928] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.375401][ T7928] ? selinux_file_ioctl+0x180/0x270
[ 568.375417][ T7928] ? selinux_file_ioctl+0xb4/0x270
[ 568.375434][ T7928] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.375451][ T7928] __x64_sys_ioctl+0x18b/0x210
[ 568.375469][ T7928] do_syscall_64+0xcd/0x4c0
[ 568.375483][ T7928] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 568.375496][ T7928] RIP: 0033:0x7f3be221f569
[ 568.375506][ T7928] 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
[ 568.375517][ T7928] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 568.375529][ T7928] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 568.375537][ T7928] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 568.375544][ T7928] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 568.375551][ T7928] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 568.375558][ T7928] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 568.375573][ T7928]
[ 568.681496][ T7928] block nbd0: shutting down sockets
[ 568.761961][ T7930] FAULT_INJECTION: forcing a failure.
[ 568.761961][ T7930] name failslab, interval 1, probability 0, space 0, times 0
[ 568.774853][ T7930] CPU: 1 UID: 0 PID: 7930 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 568.774879][ T7930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 568.774891][ T7930] Call Trace:
[ 568.774898][ T7930]
[ 568.774906][ T7930] dump_stack_lvl+0x16c/0x1f0
[ 568.774933][ T7930] should_fail_ex+0x512/0x640
[ 568.774954][ T7930] ? fs_reclaim_acquire+0xae/0x150
[ 568.774982][ T7930] should_failslab+0xc2/0x120
[ 568.775005][ T7930] __kmalloc_cache_node_noprof+0x6d/0x420
[ 568.775034][ T7930] ? lockdep_init_map_type+0x5c/0x280
[ 568.775053][ T7930] ? blk_mq_init_tags+0x87/0x2b0
[ 568.775080][ T7930] blk_mq_init_tags+0x87/0x2b0
[ 568.775105][ T7930] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 568.775139][ T7930] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 568.775172][ T7930] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 568.775204][ T7930] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 568.775224][ T7930] ? rcu_is_watching+0x12/0xc0
[ 568.775248][ T7930] ? trace_contention_end+0xdd/0x130
[ 568.775272][ T7930] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 568.775319][ T7930] ? __pfx_down_write+0x10/0x10
[ 568.775351][ T7930] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 568.775373][ T7930] nbd_start_device+0x1b0/0xd70
[ 568.775399][ T7930] ? bpf_lsm_capable+0x9/0x10
[ 568.775431][ T7930] nbd_ioctl+0x219/0xda0
[ 568.775454][ T7930] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 568.775483][ T7930] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.775503][ T7930] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 568.775544][ T7930] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.775566][ T7930] blkdev_ioctl+0x274/0x6d0
[ 568.775596][ T7930] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.775620][ T7930] ? selinux_file_ioctl+0x180/0x270
[ 568.775644][ T7930] ? selinux_file_ioctl+0xb4/0x270
[ 568.775670][ T7930] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.775699][ T7930] __x64_sys_ioctl+0x18b/0x210
[ 568.775729][ T7930] do_syscall_64+0xcd/0x4c0
[ 568.775752][ T7930] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 568.775769][ T7930] RIP: 0033:0x7f3be221f569
[ 568.775782][ T7930] 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
[ 568.775797][ T7930] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 568.775812][ T7930] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 568.775823][ T7930] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 568.775833][ T7930] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 568.775843][ T7930] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 568.775853][ T7930] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 568.775875][ T7930]
[ 569.154618][ T7930] block nbd0: shutting down sockets
[ 569.231919][ T7932] FAULT_INJECTION: forcing a failure.
[ 569.231919][ T7932] name failslab, interval 1, probability 0, space 0, times 0
[ 569.244563][ T7932] CPU: 1 UID: 0 PID: 7932 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 569.244588][ T7932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 569.244599][ T7932] Call Trace:
[ 569.244608][ T7932]
[ 569.244616][ T7932] dump_stack_lvl+0x16c/0x1f0
[ 569.244633][ T7932] should_fail_ex+0x512/0x640
[ 569.244647][ T7932] ? fs_reclaim_acquire+0xae/0x150
[ 569.244664][ T7932] should_failslab+0xc2/0x120
[ 569.244678][ T7932] __kvmalloc_node_noprof+0x137/0x620
[ 569.244691][ T7932] ? sbitmap_init_node+0x1ca/0x770
[ 569.244710][ T7932] ? sbitmap_init_node+0x1ca/0x770
[ 569.244725][ T7932] sbitmap_init_node+0x1ca/0x770
[ 569.244744][ T7932] sbitmap_queue_init_node+0x40/0x4a0
[ 569.244763][ T7932] blk_mq_init_tags+0x12d/0x2b0
[ 569.244778][ T7932] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 569.244796][ T7932] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 569.244816][ T7932] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 569.244835][ T7932] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 569.244847][ T7932] ? rcu_is_watching+0x12/0xc0
[ 569.244862][ T7932] ? trace_contention_end+0xdd/0x130
[ 569.244876][ T7932] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 569.244897][ T7932] ? __pfx_down_write+0x10/0x10
[ 569.244917][ T7932] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 569.244940][ T7932] nbd_start_device+0x1b0/0xd70
[ 569.244965][ T7932] ? bpf_lsm_capable+0x9/0x10
[ 569.244997][ T7932] nbd_ioctl+0x219/0xda0
[ 569.245011][ T7932] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 569.245029][ T7932] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.245040][ T7932] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 569.245064][ T7932] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.245088][ T7932] blkdev_ioctl+0x274/0x6d0
[ 569.245105][ T7932] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.245121][ T7932] ? selinux_file_ioctl+0x180/0x270
[ 569.245136][ T7932] ? selinux_file_ioctl+0xb4/0x270
[ 569.245153][ T7932] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.245170][ T7932] __x64_sys_ioctl+0x18b/0x210
[ 569.245188][ T7932] do_syscall_64+0xcd/0x4c0
[ 569.245203][ T7932] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 569.245216][ T7932] RIP: 0033:0x7f3be221f569
[ 569.245226][ T7932] 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
[ 569.245237][ T7932] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 569.245254][ T7932] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 569.245262][ T7932] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 569.245269][ T7932] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 569.245276][ T7932] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 569.245283][ T7932] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 569.245298][ T7932]
[ 569.551492][ T7932] block nbd0: shutting down sockets
[ 569.651956][ T7934] FAULT_INJECTION: forcing a failure.
[ 569.651956][ T7934] name failslab, interval 1, probability 0, space 0, times 0
[ 569.664657][ T7934] CPU: 0 UID: 0 PID: 7934 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 569.664674][ T7934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 569.664682][ T7934] Call Trace:
[ 569.664686][ T7934]
[ 569.664691][ T7934] dump_stack_lvl+0x16c/0x1f0
[ 569.664709][ T7934] should_fail_ex+0x512/0x640
[ 569.664723][ T7934] ? fs_reclaim_acquire+0xae/0x150
[ 569.664740][ T7934] should_failslab+0xc2/0x120
[ 569.664754][ T7934] __kvmalloc_node_noprof+0x137/0x620
[ 569.664766][ T7934] ? sbitmap_init_node+0x1ca/0x770
[ 569.664785][ T7934] ? sbitmap_init_node+0x1ca/0x770
[ 569.664800][ T7934] sbitmap_init_node+0x1ca/0x770
[ 569.664818][ T7934] sbitmap_queue_init_node+0x40/0x4a0
[ 569.664837][ T7934] blk_mq_init_tags+0x12d/0x2b0
[ 569.664852][ T7934] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 569.664871][ T7934] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 569.664890][ T7934] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 569.664909][ T7934] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 569.664921][ T7934] ? rcu_is_watching+0x12/0xc0
[ 569.664936][ T7934] ? trace_contention_end+0xdd/0x130
[ 569.664950][ T7934] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 569.664970][ T7934] ? __pfx_down_write+0x10/0x10
[ 569.664989][ T7934] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 569.665002][ T7934] nbd_start_device+0x1b0/0xd70
[ 569.665017][ T7934] ? bpf_lsm_capable+0x9/0x10
[ 569.665048][ T7934] nbd_ioctl+0x219/0xda0
[ 569.665061][ T7934] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 569.665079][ T7934] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.665091][ T7934] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 569.665114][ T7934] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.665128][ T7934] blkdev_ioctl+0x274/0x6d0
[ 569.665146][ T7934] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.665172][ T7934] ? selinux_file_ioctl+0x180/0x270
[ 569.665197][ T7934] ? selinux_file_ioctl+0xb4/0x270
[ 569.665222][ T7934] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.665239][ T7934] __x64_sys_ioctl+0x18b/0x210
[ 569.665258][ T7934] do_syscall_64+0xcd/0x4c0
[ 569.665272][ T7934] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 569.665285][ T7934] RIP: 0033:0x7f3be221f569
[ 569.665295][ T7934] 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
[ 569.665306][ T7934] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 569.665318][ T7934] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 569.665326][ T7934] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 569.665333][ T7934] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 569.665340][ T7934] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 569.665347][ T7934] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 569.665362][ T7934]
[ 570.056679][ T7934] block nbd0: shutting down sockets
[ 570.142413][ T7936] FAULT_INJECTION: forcing a failure.
[ 570.142413][ T7936] name failslab, interval 1, probability 0, space 0, times 0
[ 570.155051][ T7936] CPU: 1 UID: 0 PID: 7936 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 570.155068][ T7936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 570.155076][ T7936] Call Trace:
[ 570.155081][ T7936]
[ 570.155086][ T7936] dump_stack_lvl+0x16c/0x1f0
[ 570.155104][ T7936] should_fail_ex+0x512/0x640
[ 570.155118][ T7936] ? fs_reclaim_acquire+0xae/0x150
[ 570.155135][ T7936] should_failslab+0xc2/0x120
[ 570.155149][ T7936] __kvmalloc_node_noprof+0x137/0x620
[ 570.155172][ T7936] ? sbitmap_init_node+0x1ca/0x770
[ 570.155192][ T7936] ? sbitmap_init_node+0x1ca/0x770
[ 570.155206][ T7936] sbitmap_init_node+0x1ca/0x770
[ 570.155225][ T7936] sbitmap_queue_init_node+0x40/0x4a0
[ 570.155244][ T7936] blk_mq_init_tags+0x12d/0x2b0
[ 570.155259][ T7936] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 570.155278][ T7936] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 570.155297][ T7936] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 570.155317][ T7936] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 570.155328][ T7936] ? rcu_is_watching+0x12/0xc0
[ 570.155343][ T7936] ? trace_contention_end+0xdd/0x130
[ 570.155357][ T7936] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 570.155378][ T7936] ? __pfx_down_write+0x10/0x10
[ 570.155396][ T7936] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 570.155411][ T7936] nbd_start_device+0x1b0/0xd70
[ 570.155427][ T7936] ? bpf_lsm_capable+0x9/0x10
[ 570.155447][ T7936] nbd_ioctl+0x219/0xda0
[ 570.155461][ T7936] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 570.155479][ T7936] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.155491][ T7936] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 570.155515][ T7936] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.155528][ T7936] blkdev_ioctl+0x274/0x6d0
[ 570.155552][ T7936] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.155578][ T7936] ? selinux_file_ioctl+0x180/0x270
[ 570.155602][ T7936] ? selinux_file_ioctl+0xb4/0x270
[ 570.155618][ T7936] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.155636][ T7936] __x64_sys_ioctl+0x18b/0x210
[ 570.155654][ T7936] do_syscall_64+0xcd/0x4c0
[ 570.155668][ T7936] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 570.155681][ T7936] RIP: 0033:0x7f3be221f569
[ 570.155692][ T7936] 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
[ 570.155704][ T7936] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 570.155715][ T7936] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 570.155723][ T7936] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 570.155730][ T7936] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 570.155738][ T7936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 570.155745][ T7936] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 570.155760][ T7936]
[ 570.471557][ T7936] block nbd0: shutting down sockets
[ 570.561954][ T7938] FAULT_INJECTION: forcing a failure.
[ 570.561954][ T7938] name failslab, interval 1, probability 0, space 0, times 0
[ 570.574663][ T7938] CPU: 0 UID: 0 PID: 7938 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 570.574683][ T7938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 570.574690][ T7938] Call Trace:
[ 570.574696][ T7938]
[ 570.574701][ T7938] dump_stack_lvl+0x16c/0x1f0
[ 570.574718][ T7938] should_fail_ex+0x512/0x640
[ 570.574732][ T7938] ? fs_reclaim_acquire+0xae/0x150
[ 570.574749][ T7938] should_failslab+0xc2/0x120
[ 570.574763][ T7938] __kvmalloc_node_noprof+0x137/0x620
[ 570.574776][ T7938] ? sbitmap_init_node+0x1ca/0x770
[ 570.574795][ T7938] ? sbitmap_init_node+0x1ca/0x770
[ 570.574810][ T7938] sbitmap_init_node+0x1ca/0x770
[ 570.574828][ T7938] sbitmap_queue_init_node+0x40/0x4a0
[ 570.574847][ T7938] blk_mq_init_tags+0x12d/0x2b0
[ 570.574863][ T7938] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 570.574881][ T7938] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 570.574900][ T7938] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 570.574919][ T7938] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 570.574931][ T7938] ? rcu_is_watching+0x12/0xc0
[ 570.574947][ T7938] ? trace_contention_end+0xdd/0x130
[ 570.574960][ T7938] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 570.574981][ T7938] ? __pfx_down_write+0x10/0x10
[ 570.575000][ T7938] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 570.575013][ T7938] nbd_start_device+0x1b0/0xd70
[ 570.575029][ T7938] ? bpf_lsm_capable+0x9/0x10
[ 570.575049][ T7938] nbd_ioctl+0x219/0xda0
[ 570.575062][ T7938] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 570.575080][ T7938] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.575092][ T7938] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 570.575122][ T7938] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.575137][ T7938] blkdev_ioctl+0x274/0x6d0
[ 570.575153][ T7938] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.575169][ T7938] ? selinux_file_ioctl+0x180/0x270
[ 570.575184][ T7938] ? selinux_file_ioctl+0xb4/0x270
[ 570.575201][ T7938] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.575218][ T7938] __x64_sys_ioctl+0x18b/0x210
[ 570.575236][ T7938] do_syscall_64+0xcd/0x4c0
[ 570.575252][ T7938] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 570.575264][ T7938] RIP: 0033:0x7f3be221f569
[ 570.575274][ T7938] 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
[ 570.575286][ T7938] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 570.575297][ T7938] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 570.575305][ T7938] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 570.575312][ T7938] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 570.575320][ T7938] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 570.575326][ T7938] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 570.575341][ T7938]
[ 570.881395][ T7938] block nbd0: shutting down sockets
[ 571.011242][ T7941] block nbd0: Device being setup by another task
[ 571.017823][ T7940] FAULT_INJECTION: forcing a failure.
[ 571.017823][ T7940] name failslab, interval 1, probability 0, space 0, times 0
[ 571.030502][ T7940] CPU: 1 UID: 0 PID: 7940 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 571.030526][ T7940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 571.030534][ T7940] Call Trace:
[ 571.030539][ T7940]
[ 571.030543][ T7940] dump_stack_lvl+0x16c/0x1f0
[ 571.030561][ T7940] should_fail_ex+0x512/0x640
[ 571.030575][ T7940] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 571.030590][ T7940] should_failslab+0xc2/0x120
[ 571.030603][ T7940] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 571.030616][ T7940] ? __d_alloc+0x32/0xae0
[ 571.030633][ T7940] __d_alloc+0x32/0xae0
[ 571.030649][ T7940] d_alloc_parallel+0x111/0x1480
[ 571.030668][ T7940] ? mark_held_locks+0x49/0x80
[ 571.030687][ T7940] ? __lock_acquire+0x62e/0x1ce0
[ 571.030705][ T7940] ? __pfx_d_alloc_parallel+0x10/0x10
[ 571.030724][ T7940] ? lockdep_init_map_type+0x5c/0x280
[ 571.030736][ T7940] ? lockdep_init_map_type+0x5c/0x280
[ 571.030749][ T7940] __lookup_slow+0x193/0x460
[ 571.030767][ T7940] ? __pfx___lookup_slow+0x10/0x10
[ 571.030786][ T7940] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 571.030806][ T7940] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 571.030822][ T7940] ? d_lookup+0xe7/0x190
[ 571.030844][ T7940] lookup_noperm+0xe1/0x110
[ 571.030861][ T7940] simple_start_creating+0xd1/0x1b0
[ 571.030876][ T7940] start_creating.part.0+0x82/0x190
[ 571.030891][ T7940] __debugfs_create_file+0xa7/0x6b0
[ 571.030907][ T7940] debugfs_create_file_unsafe+0x3c/0x50
[ 571.030923][ T7940] debugfs_create_u64+0x70/0xa0
[ 571.030937][ T7940] nbd_start_device+0x46c/0xd70
[ 571.030954][ T7940] ? bpf_lsm_capable+0x9/0x10
[ 571.030973][ T7940] nbd_ioctl+0x219/0xda0
[ 571.030987][ T7940] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 571.031004][ T7940] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.031016][ T7940] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 571.031041][ T7940] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.031054][ T7940] blkdev_ioctl+0x274/0x6d0
[ 571.031076][ T7940] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.031092][ T7940] ? selinux_file_ioctl+0x180/0x270
[ 571.031107][ T7940] ? selinux_file_ioctl+0xb4/0x270
[ 571.031124][ T7940] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.031142][ T7940] __x64_sys_ioctl+0x18b/0x210
[ 571.031160][ T7940] do_syscall_64+0xcd/0x4c0
[ 571.031174][ T7940] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.031186][ T7940] RIP: 0033:0x7f3be221f569
[ 571.031196][ T7940] 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
[ 571.031208][ T7940] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 571.031219][ T7940] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 571.031226][ T7940] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 571.031233][ T7940] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 571.031240][ T7940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 571.031247][ T7940] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 571.031262][ T7940]
[ 571.441490][ T7940] block nbd0: shutting down sockets
[ 571.531894][ T7943] FAULT_INJECTION: forcing a failure.
[ 571.531894][ T7943] name failslab, interval 1, probability 0, space 0, times 0
[ 571.544570][ T7943] CPU: 0 UID: 0 PID: 7943 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 571.544590][ T7943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 571.544598][ T7943] Call Trace:
[ 571.544603][ T7943]
[ 571.544608][ T7943] dump_stack_lvl+0x16c/0x1f0
[ 571.544625][ T7943] should_fail_ex+0x512/0x640
[ 571.544639][ T7943] ? fs_reclaim_acquire+0xae/0x150
[ 571.544655][ T7943] should_failslab+0xc2/0x120
[ 571.544669][ T7943] __kvmalloc_node_noprof+0x137/0x620
[ 571.544682][ T7943] ? sbitmap_init_node+0x1ca/0x770
[ 571.544702][ T7943] ? sbitmap_init_node+0x1ca/0x770
[ 571.544717][ T7943] sbitmap_init_node+0x1ca/0x770
[ 571.544736][ T7943] sbitmap_queue_init_node+0x40/0x4a0
[ 571.544754][ T7943] blk_mq_init_tags+0x12d/0x2b0
[ 571.544770][ T7943] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 571.544788][ T7943] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 571.544808][ T7943] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 571.544827][ T7943] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 571.544848][ T7943] ? rcu_is_watching+0x12/0xc0
[ 571.544864][ T7943] ? trace_contention_end+0xdd/0x130
[ 571.544877][ T7943] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 571.544898][ T7943] ? __pfx_down_write+0x10/0x10
[ 571.544916][ T7943] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 571.544929][ T7943] nbd_start_device+0x1b0/0xd70
[ 571.544944][ T7943] ? bpf_lsm_capable+0x9/0x10
[ 571.544964][ T7943] nbd_ioctl+0x219/0xda0
[ 571.544977][ T7943] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 571.544995][ T7943] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.545007][ T7943] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 571.545031][ T7943] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.545045][ T7943] blkdev_ioctl+0x274/0x6d0
[ 571.545061][ T7943] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.545077][ T7943] ? selinux_file_ioctl+0x180/0x270
[ 571.545092][ T7943] ? selinux_file_ioctl+0xb4/0x270
[ 571.545109][ T7943] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.545127][ T7943] __x64_sys_ioctl+0x18b/0x210
[ 571.545145][ T7943] do_syscall_64+0xcd/0x4c0
[ 571.545159][ T7943] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.545171][ T7943] RIP: 0033:0x7f3be221f569
[ 571.545181][ 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
[ 571.545193][ T7943] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 571.545204][ T7943] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 571.545211][ T7943] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 571.545218][ T7943] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 571.545226][ T7943] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 571.545233][ T7943] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 571.545248][ T7943]
[ 571.935022][ T7943] block nbd0: shutting down sockets
[ 572.021311][ T7946] block nbd0: Device being setup by another task
[ 572.028288][ T7945] FAULT_INJECTION: forcing a failure.
[ 572.028288][ T7945] name failslab, interval 1, probability 0, space 0, times 0
[ 572.040934][ T7945] CPU: 1 UID: 0 PID: 7945 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 572.040957][ T7945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 572.040968][ T7945] Call Trace:
[ 572.040974][ T7945]
[ 572.040980][ T7945] dump_stack_lvl+0x16c/0x1f0
[ 572.041005][ T7945] should_fail_ex+0x512/0x640
[ 572.041025][ T7945] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 572.041051][ T7945] should_failslab+0xc2/0x120
[ 572.041074][ T7945] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 572.041095][ T7945] ? __d_alloc+0x32/0xae0
[ 572.041124][ T7945] __d_alloc+0x32/0xae0
[ 572.041153][ T7945] d_alloc_parallel+0x111/0x1480
[ 572.041188][ T7945] ? mark_held_locks+0x49/0x80
[ 572.041225][ T7945] ? __lock_acquire+0x62e/0x1ce0
[ 572.041254][ T7945] ? __pfx_d_alloc_parallel+0x10/0x10
[ 572.041287][ T7945] ? lockdep_init_map_type+0x5c/0x280
[ 572.041308][ T7945] ? lockdep_init_map_type+0x5c/0x280
[ 572.041333][ T7945] __lookup_slow+0x193/0x460
[ 572.041361][ T7945] ? __pfx___lookup_slow+0x10/0x10
[ 572.041393][ T7945] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 572.041428][ T7945] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 572.041455][ T7945] ? d_lookup+0xe7/0x190
[ 572.041488][ T7945] lookup_noperm+0xe1/0x110
[ 572.041518][ T7945] simple_start_creating+0xd1/0x1b0
[ 572.041543][ T7945] start_creating.part.0+0x82/0x190
[ 572.041568][ T7945] __debugfs_create_file+0xa7/0x6b0
[ 572.041595][ T7945] debugfs_create_file_unsafe+0x3c/0x50
[ 572.041621][ T7945] debugfs_create_u64+0x70/0xa0
[ 572.041643][ T7945] nbd_start_device+0x46c/0xd70
[ 572.041667][ T7945] ? bpf_lsm_capable+0x9/0x10
[ 572.041697][ T7945] nbd_ioctl+0x219/0xda0
[ 572.041720][ T7945] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 572.041750][ T7945] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.041770][ T7945] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 572.041811][ T7945] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.041835][ T7945] blkdev_ioctl+0x274/0x6d0
[ 572.041863][ T7945] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.041890][ T7945] ? selinux_file_ioctl+0x180/0x270
[ 572.041915][ T7945] ? selinux_file_ioctl+0xb4/0x270
[ 572.041944][ T7945] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.041973][ T7945] __x64_sys_ioctl+0x18b/0x210
[ 572.042004][ T7945] do_syscall_64+0xcd/0x4c0
[ 572.042028][ T7945] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 572.042050][ T7945] RIP: 0033:0x7f3be221f569
[ 572.042066][ T7945] 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
[ 572.042085][ T7945] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 572.042104][ T7945] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 572.042118][ T7945] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 572.042130][ T7945] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 572.042142][ T7945] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 572.042155][ T7945] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 572.042184][ T7945]
[ 572.447761][ T7945] block nbd0: shutting down sockets
[ 572.531933][ T7948] FAULT_INJECTION: forcing a failure.
[ 572.531933][ T7948] name failslab, interval 1, probability 0, space 0, times 0
[ 572.544569][ T7948] CPU: 0 UID: 0 PID: 7948 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 572.544594][ T7948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 572.544605][ T7948] Call Trace:
[ 572.544611][ T7948]
[ 572.544617][ T7948] dump_stack_lvl+0x16c/0x1f0
[ 572.544635][ T7948] should_fail_ex+0x512/0x640
[ 572.544648][ T7948] ? fs_reclaim_acquire+0xae/0x150
[ 572.544665][ T7948] should_failslab+0xc2/0x120
[ 572.544680][ T7948] __kvmalloc_node_noprof+0x137/0x620
[ 572.544693][ T7948] ? sbitmap_init_node+0x1ca/0x770
[ 572.544712][ T7948] ? sbitmap_init_node+0x1ca/0x770
[ 572.544737][ T7948] sbitmap_init_node+0x1ca/0x770
[ 572.544757][ T7948] sbitmap_queue_init_node+0x40/0x4a0
[ 572.544776][ T7948] blk_mq_init_tags+0x12d/0x2b0
[ 572.544792][ T7948] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 572.544811][ T7948] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 572.544831][ T7948] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 572.544850][ T7948] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 572.544862][ T7948] ? rcu_is_watching+0x12/0xc0
[ 572.544877][ T7948] ? trace_contention_end+0xdd/0x130
[ 572.544891][ T7948] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 572.544916][ T7948] ? __pfx_down_write+0x10/0x10
[ 572.544935][ T7948] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 572.544948][ T7948] nbd_start_device+0x1b0/0xd70
[ 572.544963][ T7948] ? bpf_lsm_capable+0x9/0x10
[ 572.544983][ T7948] nbd_ioctl+0x219/0xda0
[ 572.544997][ T7948] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 572.545015][ T7948] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.545027][ T7948] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 572.545051][ T7948] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.545064][ T7948] blkdev_ioctl+0x274/0x6d0
[ 572.545081][ T7948] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.545097][ T7948] ? selinux_file_ioctl+0x180/0x270
[ 572.545118][ T7948] ? selinux_file_ioctl+0xb4/0x270
[ 572.545147][ T7948] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.545173][ T7948] __x64_sys_ioctl+0x18b/0x210
[ 572.545192][ T7948] do_syscall_64+0xcd/0x4c0
[ 572.545207][ T7948] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 572.545220][ T7948] RIP: 0033:0x7f3be221f569
[ 572.545230][ T7948] 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
[ 572.545241][ T7948] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 572.545253][ T7948] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 572.545260][ T7948] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 572.545267][ T7948] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 572.545275][ T7948] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 572.545282][ T7948] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 572.545297][ T7948]
[ 572.935999][ T7948] block nbd0: shutting down sockets
[ 573.061351][ T7951] block nbd0: Device being setup by another task
[ 573.067919][ T7950] FAULT_INJECTION: forcing a failure.
[ 573.067919][ T7950] name failslab, interval 1, probability 0, space 0, times 0
[ 573.080602][ T7950] CPU: 0 UID: 0 PID: 7950 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 573.080625][ T7950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 573.080635][ T7950] Call Trace:
[ 573.080641][ T7950]
[ 573.080648][ T7950] dump_stack_lvl+0x16c/0x1f0
[ 573.080672][ T7950] should_fail_ex+0x512/0x640
[ 573.080692][ T7950] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 573.080717][ T7950] should_failslab+0xc2/0x120
[ 573.080740][ T7950] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 573.080762][ T7950] ? __d_alloc+0x32/0xae0
[ 573.080790][ T7950] __d_alloc+0x32/0xae0
[ 573.080818][ T7950] d_alloc_parallel+0x111/0x1480
[ 573.080858][ T7950] ? mark_held_locks+0x49/0x80
[ 573.080889][ T7950] ? __lock_acquire+0x62e/0x1ce0
[ 573.080919][ T7950] ? __pfx_d_alloc_parallel+0x10/0x10
[ 573.080951][ T7950] ? lockdep_init_map_type+0x5c/0x280
[ 573.080972][ T7950] ? lockdep_init_map_type+0x5c/0x280
[ 573.080997][ T7950] __lookup_slow+0x193/0x460
[ 573.081026][ T7950] ? __pfx___lookup_slow+0x10/0x10
[ 573.081057][ T7950] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 573.081091][ T7950] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 573.081118][ T7950] ? d_lookup+0xe7/0x190
[ 573.081149][ T7950] lookup_noperm+0xe1/0x110
[ 573.081179][ T7950] simple_start_creating+0xd1/0x1b0
[ 573.081203][ T7950] start_creating.part.0+0x82/0x190
[ 573.081226][ T7950] __debugfs_create_file+0xa7/0x6b0
[ 573.081250][ T7950] debugfs_create_file_unsafe+0x3c/0x50
[ 573.081278][ T7950] debugfs_create_u64+0x70/0xa0
[ 573.081303][ T7950] nbd_start_device+0x46c/0xd70
[ 573.081329][ T7950] ? bpf_lsm_capable+0x9/0x10
[ 573.081362][ T7950] nbd_ioctl+0x219/0xda0
[ 573.081385][ T7950] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 573.081413][ T7950] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.081433][ T7950] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 573.081475][ T7950] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.081498][ T7950] blkdev_ioctl+0x274/0x6d0
[ 573.081525][ T7950] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.081551][ T7950] ? selinux_file_ioctl+0x180/0x270
[ 573.081576][ T7950] ? selinux_file_ioctl+0xb4/0x270
[ 573.081604][ T7950] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.081633][ T7950] __x64_sys_ioctl+0x18b/0x210
[ 573.081663][ T7950] do_syscall_64+0xcd/0x4c0
[ 573.081687][ T7950] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.081708][ T7950] RIP: 0033:0x7f3be221f569
[ 573.081725][ 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
[ 573.081742][ T7950] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 573.081761][ T7950] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 573.081775][ T7950] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 573.081787][ T7950] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 573.081800][ T7950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 573.081812][ T7950] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 573.081846][ T7950]
[ 573.485530][ T7950] block nbd0: shutting down sockets
[ 573.581885][ T7953] FAULT_INJECTION: forcing a failure.
[ 573.581885][ T7953] name failslab, interval 1, probability 0, space 0, times 0
[ 573.594639][ T7953] CPU: 0 UID: 0 PID: 7953 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 573.594667][ T7953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 573.594678][ T7953] Call Trace:
[ 573.594686][ T7953]
[ 573.594694][ T7953] dump_stack_lvl+0x16c/0x1f0
[ 573.594721][ T7953] should_fail_ex+0x512/0x640
[ 573.594742][ T7953] ? fs_reclaim_acquire+0xae/0x150
[ 573.594771][ T7953] should_failslab+0xc2/0x120
[ 573.594801][ T7953] __kvmalloc_node_noprof+0x137/0x620
[ 573.594823][ T7953] ? sbitmap_init_node+0x1ca/0x770
[ 573.594855][ T7953] ? sbitmap_init_node+0x1ca/0x770
[ 573.594880][ T7953] sbitmap_init_node+0x1ca/0x770
[ 573.594911][ T7953] sbitmap_queue_init_node+0x40/0x4a0
[ 573.594943][ T7953] blk_mq_init_tags+0x12d/0x2b0
[ 573.594968][ T7953] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 573.595001][ T7953] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 573.595033][ T7953] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 573.595066][ T7953] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 573.595086][ T7953] ? rcu_is_watching+0x12/0xc0
[ 573.595110][ T7953] ? trace_contention_end+0xdd/0x130
[ 573.595133][ T7953] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 573.595172][ T7953] ? __pfx_down_write+0x10/0x10
[ 573.595203][ T7953] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 573.595225][ T7953] nbd_start_device+0x1b0/0xd70
[ 573.595251][ T7953] ? bpf_lsm_capable+0x9/0x10
[ 573.595283][ T7953] nbd_ioctl+0x219/0xda0
[ 573.595305][ T7953] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 573.595335][ T7953] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.595354][ T7953] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 573.595393][ T7953] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.595415][ T7953] blkdev_ioctl+0x274/0x6d0
[ 573.595434][ T7953] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.595450][ T7953] ? selinux_file_ioctl+0x180/0x270
[ 573.595466][ T7953] ? selinux_file_ioctl+0xb4/0x270
[ 573.595482][ T7953] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.595500][ T7953] __x64_sys_ioctl+0x18b/0x210
[ 573.595518][ T7953] do_syscall_64+0xcd/0x4c0
[ 573.595533][ T7953] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.595545][ T7953] RIP: 0033:0x7f3be221f569
[ 573.595555][ T7953] 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
[ 573.595566][ T7953] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 573.595577][ T7953] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 573.595585][ T7953] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 573.595592][ T7953] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 573.595600][ T7953] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 573.595607][ T7953] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 573.595622][ T7953]
[ 573.985409][ T7953] block nbd0: shutting down sockets
[ 574.081936][ T7955] FAULT_INJECTION: forcing a failure.
[ 574.081936][ T7955] name failslab, interval 1, probability 0, space 0, times 0
[ 574.094712][ T7955] CPU: 0 UID: 0 PID: 7955 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 574.094751][ T7955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 574.094761][ T7955] Call Trace:
[ 574.094767][ T7955]
[ 574.094774][ T7955] dump_stack_lvl+0x16c/0x1f0
[ 574.094796][ T7955] should_fail_ex+0x512/0x640
[ 574.094814][ T7955] ? fs_reclaim_acquire+0xae/0x150
[ 574.094837][ T7955] should_failslab+0xc2/0x120
[ 574.094855][ T7955] __kvmalloc_node_noprof+0x137/0x620
[ 574.094871][ T7955] ? sbitmap_init_node+0x1ca/0x770
[ 574.094898][ T7955] ? sbitmap_init_node+0x1ca/0x770
[ 574.094918][ T7955] sbitmap_init_node+0x1ca/0x770
[ 574.094943][ T7955] sbitmap_queue_init_node+0x40/0x4a0
[ 574.094969][ T7955] blk_mq_init_tags+0x12d/0x2b0
[ 574.094989][ T7955] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 574.095015][ T7955] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 574.095041][ T7955] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 574.095067][ T7955] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 574.095083][ T7955] ? rcu_is_watching+0x12/0xc0
[ 574.095103][ T7955] ? trace_contention_end+0xdd/0x130
[ 574.095122][ T7955] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 574.095151][ T7955] ? __pfx_down_write+0x10/0x10
[ 574.095176][ T7955] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 574.095194][ T7955] nbd_start_device+0x1b0/0xd70
[ 574.095215][ T7955] ? bpf_lsm_capable+0x9/0x10
[ 574.095241][ T7955] nbd_ioctl+0x219/0xda0
[ 574.095259][ T7955] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 574.095283][ T7955] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.095299][ T7955] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 574.095334][ T7955] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.095353][ T7955] blkdev_ioctl+0x274/0x6d0
[ 574.095375][ T7955] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.095396][ T7955] ? selinux_file_ioctl+0x180/0x270
[ 574.095416][ T7955] ? selinux_file_ioctl+0xb4/0x270
[ 574.095439][ T7955] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.095462][ T7955] __x64_sys_ioctl+0x18b/0x210
[ 574.095487][ T7955] do_syscall_64+0xcd/0x4c0
[ 574.095506][ T7955] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.095522][ T7955] RIP: 0033:0x7f3be221f569
[ 574.095535][ T7955] 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
[ 574.095550][ T7955] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 574.095565][ T7955] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 574.095576][ T7955] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 574.095585][ T7955] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 574.095595][ T7955] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 574.095605][ T7955] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 574.095627][ T7955]
[ 574.487213][ T7955] block nbd0: shutting down sockets
[ 574.581918][ T7957] FAULT_INJECTION: forcing a failure.
[ 574.581918][ T7957] name failslab, interval 1, probability 0, space 0, times 0
[ 574.594917][ T7957] CPU: 1 UID: 0 PID: 7957 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 574.594949][ T7957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 574.594962][ T7957] Call Trace:
[ 574.594969][ T7957]
[ 574.594977][ T7957] dump_stack_lvl+0x16c/0x1f0
[ 574.595002][ T7957] should_fail_ex+0x512/0x640
[ 574.595022][ T7957] ? fs_reclaim_acquire+0xae/0x150
[ 574.595051][ T7957] should_failslab+0xc2/0x120
[ 574.595073][ T7957] __kvmalloc_node_noprof+0x137/0x620
[ 574.595095][ T7957] ? sbitmap_init_node+0x1ca/0x770
[ 574.595127][ T7957] ? sbitmap_init_node+0x1ca/0x770
[ 574.595152][ T7957] sbitmap_init_node+0x1ca/0x770
[ 574.595184][ T7957] sbitmap_queue_init_node+0x40/0x4a0
[ 574.595215][ T7957] blk_mq_init_tags+0x12d/0x2b0
[ 574.595240][ T7957] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 574.595274][ T7957] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 574.595306][ T7957] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 574.595338][ T7957] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 574.595359][ T7957] ? rcu_is_watching+0x12/0xc0
[ 574.595384][ T7957] ? trace_contention_end+0xdd/0x130
[ 574.595407][ T7957] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 574.595445][ T7957] ? __pfx_down_write+0x10/0x10
[ 574.595474][ T7957] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 574.595496][ T7957] nbd_start_device+0x1b0/0xd70
[ 574.595512][ T7957] ? bpf_lsm_capable+0x9/0x10
[ 574.595532][ T7957] nbd_ioctl+0x219/0xda0
[ 574.595552][ T7957] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 574.595581][ T7957] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.595600][ T7957] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 574.595633][ T7957] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.595646][ T7957] blkdev_ioctl+0x274/0x6d0
[ 574.595663][ T7957] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.595679][ T7957] ? selinux_file_ioctl+0x180/0x270
[ 574.595696][ T7957] ? selinux_file_ioctl+0xb4/0x270
[ 574.595713][ T7957] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.595731][ T7957] __x64_sys_ioctl+0x18b/0x210
[ 574.595749][ T7957] do_syscall_64+0xcd/0x4c0
[ 574.595763][ T7957] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.595776][ T7957] RIP: 0033:0x7f3be221f569
[ 574.595787][ T7957] 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
[ 574.595798][ T7957] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 574.595810][ T7957] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 574.595818][ T7957] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 574.595825][ T7957] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 574.595832][ T7957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 574.595839][ T7957] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 574.595854][ T7957]
[ 574.985869][ T7957] block nbd0: shutting down sockets
[ 575.092086][ T7959] FAULT_INJECTION: forcing a failure.
[ 575.092086][ T7959] name failslab, interval 1, probability 0, space 0, times 0
[ 575.104748][ T7959] CPU: 0 UID: 0 PID: 7959 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 575.104765][ T7959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 575.104773][ T7959] Call Trace:
[ 575.104778][ T7959]
[ 575.104782][ T7959] dump_stack_lvl+0x16c/0x1f0
[ 575.104801][ T7959] should_fail_ex+0x512/0x640
[ 575.104815][ T7959] ? fs_reclaim_acquire+0xae/0x150
[ 575.104832][ T7959] should_failslab+0xc2/0x120
[ 575.104846][ T7959] __kvmalloc_node_noprof+0x137/0x620
[ 575.104858][ T7959] ? sbitmap_init_node+0x1ca/0x770
[ 575.104882][ T7959] ? sbitmap_init_node+0x1ca/0x770
[ 575.104898][ T7959] sbitmap_init_node+0x1ca/0x770
[ 575.104916][ T7959] sbitmap_queue_init_node+0x40/0x4a0
[ 575.104935][ T7959] blk_mq_init_tags+0x12d/0x2b0
[ 575.104951][ T7959] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 575.104969][ T7959] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 575.104988][ T7959] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 575.105007][ T7959] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 575.105019][ T7959] ? rcu_is_watching+0x12/0xc0
[ 575.105034][ T7959] ? trace_contention_end+0xdd/0x130
[ 575.105047][ T7959] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 575.105068][ T7959] ? __pfx_down_write+0x10/0x10
[ 575.105086][ T7959] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 575.105099][ T7959] nbd_start_device+0x1b0/0xd70
[ 575.105114][ T7959] ? bpf_lsm_capable+0x9/0x10
[ 575.105134][ T7959] nbd_ioctl+0x219/0xda0
[ 575.105147][ T7959] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 575.105166][ T7959] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.105177][ T7959] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 575.105201][ T7959] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.105215][ T7959] blkdev_ioctl+0x274/0x6d0
[ 575.105231][ T7959] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.105247][ T7959] ? selinux_file_ioctl+0x180/0x270
[ 575.105262][ T7959] ? selinux_file_ioctl+0xb4/0x270
[ 575.105279][ T7959] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.105296][ T7959] __x64_sys_ioctl+0x18b/0x210
[ 575.105314][ T7959] do_syscall_64+0xcd/0x4c0
[ 575.105328][ T7959] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 575.105341][ T7959] RIP: 0033:0x7f3be221f569
[ 575.105351][ 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
[ 575.105362][ T7959] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 575.105390][ T7959] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 575.105398][ T7959] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 575.105405][ T7959] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 575.105412][ T7959] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 575.105419][ T7959] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 575.105434][ T7959]
[ 575.461970][ T7959] block nbd0: shutting down sockets
[ 575.551964][ T7961] FAULT_INJECTION: forcing a failure.
[ 575.551964][ T7961] name failslab, interval 1, probability 0, space 0, times 0
[ 575.564601][ T7961] CPU: 1 UID: 0 PID: 7961 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 575.564628][ T7961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 575.564636][ T7961] Call Trace:
[ 575.564641][ T7961]
[ 575.564647][ T7961] dump_stack_lvl+0x16c/0x1f0
[ 575.564665][ T7961] should_fail_ex+0x512/0x640
[ 575.564679][ T7961] ? fs_reclaim_acquire+0xae/0x150
[ 575.564696][ T7961] should_failslab+0xc2/0x120
[ 575.564710][ T7961] __kvmalloc_node_noprof+0x137/0x620
[ 575.564722][ T7961] ? sbitmap_init_node+0x1ca/0x770
[ 575.564742][ T7961] ? sbitmap_init_node+0x1ca/0x770
[ 575.564757][ T7961] sbitmap_init_node+0x1ca/0x770
[ 575.564776][ T7961] sbitmap_queue_init_node+0x40/0x4a0
[ 575.564795][ T7961] blk_mq_init_tags+0x12d/0x2b0
[ 575.564810][ T7961] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 575.564830][ T7961] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 575.564850][ T7961] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 575.564870][ T7961] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 575.564881][ T7961] ? rcu_is_watching+0x12/0xc0
[ 575.564896][ T7961] ? trace_contention_end+0xdd/0x130
[ 575.564910][ T7961] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 575.564931][ T7961] ? __pfx_down_write+0x10/0x10
[ 575.564950][ T7961] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 575.564963][ T7961] nbd_start_device+0x1b0/0xd70
[ 575.564979][ T7961] ? bpf_lsm_capable+0x9/0x10
[ 575.564998][ T7961] nbd_ioctl+0x219/0xda0
[ 575.565012][ T7961] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 575.565030][ T7961] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.565041][ T7961] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 575.565066][ T7961] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.565079][ T7961] blkdev_ioctl+0x274/0x6d0
[ 575.565096][ T7961] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.565112][ T7961] ? selinux_file_ioctl+0x180/0x270
[ 575.565127][ T7961] ? selinux_file_ioctl+0xb4/0x270
[ 575.565144][ T7961] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.565162][ T7961] __x64_sys_ioctl+0x18b/0x210
[ 575.565180][ T7961] do_syscall_64+0xcd/0x4c0
[ 575.565194][ T7961] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 575.565207][ T7961] RIP: 0033:0x7f3be221f569
[ 575.565217][ T7961] 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
[ 575.565227][ T7961] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 575.565239][ T7961] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 575.565247][ T7961] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 575.565254][ T7961] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 575.565261][ T7961] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 575.565268][ T7961] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 575.565283][ T7961]
[ 575.871819][ T7961] block nbd0: shutting down sockets
[ 576.001242][ T7964] block nbd0: Device being setup by another task
[ 576.007805][ T7963] FAULT_INJECTION: forcing a failure.
[ 576.007805][ T7963] name failslab, interval 1, probability 0, space 0, times 0
[ 576.020529][ T7963] CPU: 0 UID: 0 PID: 7963 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 576.020553][ T7963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 576.020561][ T7963] Call Trace:
[ 576.020566][ T7963]
[ 576.020571][ T7963] dump_stack_lvl+0x16c/0x1f0
[ 576.020589][ T7963] should_fail_ex+0x512/0x640
[ 576.020602][ T7963] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 576.020618][ T7963] should_failslab+0xc2/0x120
[ 576.020632][ T7963] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 576.020644][ T7963] ? __d_alloc+0x32/0xae0
[ 576.020662][ T7963] __d_alloc+0x32/0xae0
[ 576.020677][ T7963] d_alloc_parallel+0x111/0x1480
[ 576.020697][ T7963] ? mark_held_locks+0x49/0x80
[ 576.020716][ T7963] ? __lock_acquire+0x62e/0x1ce0
[ 576.020734][ T7963] ? __pfx_d_alloc_parallel+0x10/0x10
[ 576.020753][ T7963] ? lockdep_init_map_type+0x5c/0x280
[ 576.020766][ T7963] ? lockdep_init_map_type+0x5c/0x280
[ 576.020780][ T7963] __lookup_slow+0x193/0x460
[ 576.020798][ T7963] ? __pfx___lookup_slow+0x10/0x10
[ 576.020817][ T7963] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 576.020837][ T7963] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 576.020853][ T7963] ? d_lookup+0xe7/0x190
[ 576.020872][ T7963] lookup_noperm+0xe1/0x110
[ 576.020889][ T7963] simple_start_creating+0xd1/0x1b0
[ 576.020904][ T7963] start_creating.part.0+0x82/0x190
[ 576.020919][ T7963] __debugfs_create_file+0xa7/0x6b0
[ 576.020935][ T7963] debugfs_create_file_unsafe+0x3c/0x50
[ 576.020952][ T7963] debugfs_create_u64+0x70/0xa0
[ 576.020966][ T7963] nbd_start_device+0x46c/0xd70
[ 576.020982][ T7963] ? bpf_lsm_capable+0x9/0x10
[ 576.021001][ T7963] nbd_ioctl+0x219/0xda0
[ 576.021015][ T7963] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 576.021032][ T7963] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.021044][ T7963] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 576.021069][ T7963] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.021082][ T7963] blkdev_ioctl+0x274/0x6d0
[ 576.021100][ T7963] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.021116][ T7963] ? selinux_file_ioctl+0x180/0x270
[ 576.021131][ T7963] ? selinux_file_ioctl+0xb4/0x270
[ 576.021148][ T7963] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.021174][ T7963] __x64_sys_ioctl+0x18b/0x210
[ 576.021202][ T7963] do_syscall_64+0xcd/0x4c0
[ 576.021224][ T7963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 576.021243][ T7963] RIP: 0033:0x7f3be221f569
[ 576.021258][ T7963] 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
[ 576.021269][ T7963] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 576.021280][ T7963] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 576.021288][ T7963] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 576.021295][ T7963] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 576.021303][ T7963] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 576.021310][ T7963] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 576.021325][ T7963]
[ 576.428858][ T7963] block nbd0: shutting down sockets
[ 576.532423][ T7966] FAULT_INJECTION: forcing a failure.
[ 576.532423][ T7966] name failslab, interval 1, probability 0, space 0, times 0
[ 576.545111][ T7966] CPU: 1 UID: 0 PID: 7966 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 576.545135][ T7966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 576.545143][ T7966] Call Trace:
[ 576.545148][ T7966]
[ 576.545153][ T7966] dump_stack_lvl+0x16c/0x1f0
[ 576.545172][ T7966] should_fail_ex+0x512/0x640
[ 576.545186][ T7966] ? fs_reclaim_acquire+0xae/0x150
[ 576.545203][ T7966] should_failslab+0xc2/0x120
[ 576.545217][ T7966] __kvmalloc_node_noprof+0x137/0x620
[ 576.545230][ T7966] ? sbitmap_init_node+0x1ca/0x770
[ 576.545249][ T7966] ? sbitmap_init_node+0x1ca/0x770
[ 576.545267][ T7966] sbitmap_init_node+0x1ca/0x770
[ 576.545286][ T7966] sbitmap_queue_init_node+0x40/0x4a0
[ 576.545305][ T7966] blk_mq_init_tags+0x12d/0x2b0
[ 576.545320][ T7966] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 576.545338][ T7966] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 576.545358][ T7966] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 576.545377][ T7966] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 576.545389][ T7966] ? rcu_is_watching+0x12/0xc0
[ 576.545404][ T7966] ? trace_contention_end+0xdd/0x130
[ 576.545418][ T7966] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 576.545441][ T7966] ? __pfx_down_write+0x10/0x10
[ 576.545460][ T7966] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 576.545473][ T7966] nbd_start_device+0x1b0/0xd70
[ 576.545489][ T7966] ? bpf_lsm_capable+0x9/0x10
[ 576.545509][ T7966] nbd_ioctl+0x219/0xda0
[ 576.545523][ T7966] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 576.545540][ T7966] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.545552][ T7966] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 576.545577][ T7966] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.545590][ T7966] blkdev_ioctl+0x274/0x6d0
[ 576.545607][ T7966] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.545623][ T7966] ? selinux_file_ioctl+0x180/0x270
[ 576.545638][ T7966] ? selinux_file_ioctl+0xb4/0x270
[ 576.545655][ T7966] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.545672][ T7966] __x64_sys_ioctl+0x18b/0x210
[ 576.545694][ T7966] do_syscall_64+0xcd/0x4c0
[ 576.545709][ T7966] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 576.545721][ T7966] RIP: 0033:0x7f3be221f569
[ 576.545732][ T7966] 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
[ 576.545744][ T7966] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 576.545755][ T7966] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 576.545763][ T7966] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 576.545770][ T7966] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 576.545778][ T7966] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 576.545785][ T7966] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 576.545799][ T7966]
[ 576.880771][ T7966] block nbd0: shutting down sockets
[ 576.951912][ T7968] FAULT_INJECTION: forcing a failure.
[ 576.951912][ T7968] name failslab, interval 1, probability 0, space 0, times 0
[ 576.964544][ T7968] CPU: 0 UID: 0 PID: 7968 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 576.964571][ T7968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 576.964580][ T7968] Call Trace:
[ 576.964586][ T7968]
[ 576.964591][ T7968] dump_stack_lvl+0x16c/0x1f0
[ 576.964609][ T7968] should_fail_ex+0x512/0x640
[ 576.964622][ T7968] ? fs_reclaim_acquire+0xae/0x150
[ 576.964640][ T7968] should_failslab+0xc2/0x120
[ 576.964654][ T7968] __kvmalloc_node_noprof+0x137/0x620
[ 576.964667][ T7968] ? sbitmap_init_node+0x1ca/0x770
[ 576.964688][ T7968] ? sbitmap_init_node+0x1ca/0x770
[ 576.964703][ T7968] sbitmap_init_node+0x1ca/0x770
[ 576.964722][ T7968] sbitmap_queue_init_node+0x40/0x4a0
[ 576.964740][ T7968] blk_mq_init_tags+0x12d/0x2b0
[ 576.964756][ T7968] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 576.964775][ T7968] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 576.964794][ T7968] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 576.964814][ T7968] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 576.964825][ T7968] ? rcu_is_watching+0x12/0xc0
[ 576.964840][ T7968] ? trace_contention_end+0xdd/0x130
[ 576.964854][ T7968] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 576.964875][ T7968] ? __pfx_down_write+0x10/0x10
[ 576.964894][ T7968] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 576.964906][ T7968] nbd_start_device+0x1b0/0xd70
[ 576.964922][ T7968] ? bpf_lsm_capable+0x9/0x10
[ 576.964942][ T7968] nbd_ioctl+0x219/0xda0
[ 576.964955][ T7968] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 576.964973][ T7968] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.964985][ T7968] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 576.965009][ T7968] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.965023][ T7968] blkdev_ioctl+0x274/0x6d0
[ 576.965039][ T7968] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.965055][ T7968] ? selinux_file_ioctl+0x180/0x270
[ 576.965071][ T7968] ? selinux_file_ioctl+0xb4/0x270
[ 576.965087][ T7968] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.965110][ T7968] __x64_sys_ioctl+0x18b/0x210
[ 576.965141][ T7968] do_syscall_64+0xcd/0x4c0
[ 576.965167][ T7968] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 576.965181][ T7968] RIP: 0033:0x7f3be221f569
[ 576.965191][ T7968] 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
[ 576.965202][ T7968] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 576.965214][ T7968] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 576.965222][ T7968] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 576.965229][ T7968] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 576.965236][ T7968] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 576.965243][ T7968] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 576.965258][ T7968]
[ 577.291420][ T7968] block nbd0: shutting down sockets
[ 577.401524][ T7971] FAULT_INJECTION: forcing a failure.
[ 577.401524][ T7971] name failslab, interval 1, probability 0, space 0, times 0
[ 577.414202][ T7971] CPU: 1 UID: 0 PID: 7971 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 577.414220][ T7971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 577.414229][ T7971] Call Trace:
[ 577.414234][ T7971]
[ 577.414239][ T7971] dump_stack_lvl+0x16c/0x1f0
[ 577.414257][ T7971] should_fail_ex+0x512/0x640
[ 577.414271][ T7971] ? fs_reclaim_acquire+0xae/0x150
[ 577.414288][ T7971] should_failslab+0xc2/0x120
[ 577.414302][ T7971] __kvmalloc_node_noprof+0x137/0x620
[ 577.414315][ T7971] ? sbitmap_init_node+0x1ca/0x770
[ 577.414335][ T7971] ? sbitmap_init_node+0x1ca/0x770
[ 577.414353][ T7971] sbitmap_init_node+0x1ca/0x770
[ 577.414372][ T7971] sbitmap_queue_init_node+0x40/0x4a0
[ 577.414390][ T7971] blk_mq_init_tags+0x12d/0x2b0
[ 577.414406][ T7971] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 577.414424][ T7971] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 577.414443][ T7971] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 577.414462][ T7971] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 577.414474][ T7971] ? rcu_is_watching+0x12/0xc0
[ 577.414490][ T7971] ? trace_contention_end+0xdd/0x130
[ 577.414504][ T7971] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 577.414525][ T7971] ? __pfx_down_write+0x10/0x10
[ 577.414552][ T7971] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 577.414574][ T7971] nbd_start_device+0x1b0/0xd70
[ 577.414605][ T7971] ? bpf_lsm_capable+0x9/0x10
[ 577.414626][ T7971] nbd_ioctl+0x219/0xda0
[ 577.414639][ T7971] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 577.414657][ T7971] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.414669][ T7971] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 577.414693][ T7971] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.414709][ T7971] blkdev_ioctl+0x274/0x6d0
[ 577.414726][ T7971] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.414742][ T7971] ? selinux_file_ioctl+0x180/0x270
[ 577.414758][ T7971] ? selinux_file_ioctl+0xb4/0x270
[ 577.414774][ T7971] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.414791][ T7971] __x64_sys_ioctl+0x18b/0x210
[ 577.414809][ T7971] do_syscall_64+0xcd/0x4c0
[ 577.414823][ T7971] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 577.414836][ T7971] RIP: 0033:0x7f3be221f569
[ 577.414847][ T7971] 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
[ 577.414858][ T7971] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 577.414870][ T7971] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 577.414878][ T7971] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 577.414885][ T7971] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 577.414892][ T7971] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 577.414899][ T7971] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 577.414914][ T7971]
[ 577.807748][ T7971] block nbd0: shutting down sockets
[ 577.921664][ T7974] FAULT_INJECTION: forcing a failure.
[ 577.921664][ T7974] name failslab, interval 1, probability 0, space 0, times 0
[ 577.934358][ T7974] CPU: 0 UID: 0 PID: 7974 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 577.934383][ T7974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 577.934395][ T7974] Call Trace:
[ 577.934402][ T7974]
[ 577.934408][ T7974] dump_stack_lvl+0x16c/0x1f0
[ 577.934426][ T7974] should_fail_ex+0x512/0x640
[ 577.934439][ T7974] ? fs_reclaim_acquire+0xae/0x150
[ 577.934456][ T7974] should_failslab+0xc2/0x120
[ 577.934470][ T7974] __kvmalloc_node_noprof+0x137/0x620
[ 577.934482][ T7974] ? sbitmap_init_node+0x1ca/0x770
[ 577.934502][ T7974] ? sbitmap_init_node+0x1ca/0x770
[ 577.934517][ T7974] sbitmap_init_node+0x1ca/0x770
[ 577.934536][ T7974] sbitmap_queue_init_node+0x40/0x4a0
[ 577.934559][ T7974] blk_mq_init_tags+0x12d/0x2b0
[ 577.934574][ T7974] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 577.934594][ T7974] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 577.934614][ T7974] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 577.934633][ T7974] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 577.934645][ T7974] ? rcu_is_watching+0x12/0xc0
[ 577.934660][ T7974] ? trace_contention_end+0xdd/0x130
[ 577.934674][ T7974] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 577.934695][ T7974] ? __pfx_down_write+0x10/0x10
[ 577.934713][ T7974] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 577.934726][ T7974] nbd_start_device+0x1b0/0xd70
[ 577.934742][ T7974] ? bpf_lsm_capable+0x9/0x10
[ 577.934762][ T7974] nbd_ioctl+0x219/0xda0
[ 577.934775][ T7974] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 577.934793][ T7974] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.934805][ T7974] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 577.934829][ T7974] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.934842][ T7974] blkdev_ioctl+0x274/0x6d0
[ 577.934859][ T7974] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.934874][ T7974] ? selinux_file_ioctl+0x180/0x270
[ 577.934890][ T7974] ? selinux_file_ioctl+0xb4/0x270
[ 577.934906][ T7974] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.934924][ T7974] __x64_sys_ioctl+0x18b/0x210
[ 577.934941][ T7974] do_syscall_64+0xcd/0x4c0
[ 577.934955][ T7974] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 577.934968][ T7974] RIP: 0033:0x7f3be221f569
[ 577.934978][ T7974] 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
[ 577.934989][ T7974] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 577.935001][ T7974] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 577.935008][ T7974] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 577.935016][ T7974] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 577.935023][ T7974] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 577.935030][ T7974] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 577.935045][ T7974]
[ 578.251496][ T7974] block nbd0: shutting down sockets
[ 578.331890][ T7976] FAULT_INJECTION: forcing a failure.
[ 578.331890][ T7976] name failslab, interval 1, probability 0, space 0, times 0
[ 578.344553][ T7976] CPU: 1 UID: 0 PID: 7976 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 578.344570][ T7976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 578.344577][ T7976] Call Trace:
[ 578.344583][ T7976]
[ 578.344588][ T7976] dump_stack_lvl+0x16c/0x1f0
[ 578.344607][ T7976] should_fail_ex+0x512/0x640
[ 578.344621][ T7976] ? fs_reclaim_acquire+0xae/0x150
[ 578.344638][ T7976] should_failslab+0xc2/0x120
[ 578.344652][ T7976] __kvmalloc_node_noprof+0x137/0x620
[ 578.344665][ T7976] ? sbitmap_init_node+0x1ca/0x770
[ 578.344684][ T7976] ? sbitmap_init_node+0x1ca/0x770
[ 578.344699][ T7976] sbitmap_init_node+0x1ca/0x770
[ 578.344718][ T7976] sbitmap_queue_init_node+0x40/0x4a0
[ 578.344737][ T7976] blk_mq_init_tags+0x12d/0x2b0
[ 578.344752][ T7976] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 578.344770][ T7976] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 578.344790][ T7976] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 578.344809][ T7976] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 578.344821][ T7976] ? rcu_is_watching+0x12/0xc0
[ 578.344836][ T7976] ? trace_contention_end+0xdd/0x130
[ 578.344850][ T7976] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 578.344871][ T7976] ? __pfx_down_write+0x10/0x10
[ 578.344889][ T7976] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 578.344902][ T7976] nbd_start_device+0x1b0/0xd70
[ 578.344918][ T7976] ? bpf_lsm_capable+0x9/0x10
[ 578.344938][ T7976] nbd_ioctl+0x219/0xda0
[ 578.344952][ T7976] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 578.344980][ T7976] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.345000][ T7976] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 578.345033][ T7976] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.345047][ T7976] blkdev_ioctl+0x274/0x6d0
[ 578.345064][ T7976] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.345079][ T7976] ? selinux_file_ioctl+0x180/0x270
[ 578.345095][ T7976] ? selinux_file_ioctl+0xb4/0x270
[ 578.345112][ T7976] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.345129][ T7976] __x64_sys_ioctl+0x18b/0x210
[ 578.345147][ T7976] do_syscall_64+0xcd/0x4c0
[ 578.345161][ T7976] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.345174][ T7976] RIP: 0033:0x7f3be221f569
[ 578.345184][ T7976] 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
[ 578.345195][ T7976] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 578.345207][ T7976] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 578.345215][ T7976] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 578.345222][ T7976] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 578.345229][ T7976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 578.345236][ T7976] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 578.345251][ T7976]
[ 578.651508][ T7976] block nbd0: shutting down sockets
[ 578.771224][ T7979] block nbd0: Device being setup by another task
[ 578.777780][ T7978] FAULT_INJECTION: forcing a failure.
[ 578.777780][ T7978] name failslab, interval 1, probability 0, space 0, times 0
[ 578.790481][ T7978] CPU: 0 UID: 0 PID: 7978 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 578.790505][ T7978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 578.790514][ T7978] Call Trace:
[ 578.790519][ T7978]
[ 578.790524][ T7978] dump_stack_lvl+0x16c/0x1f0
[ 578.790542][ T7978] should_fail_ex+0x512/0x640
[ 578.790556][ T7978] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 578.790570][ T7978] should_failslab+0xc2/0x120
[ 578.790585][ T7978] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 578.790597][ T7978] ? __d_alloc+0x32/0xae0
[ 578.790614][ T7978] __d_alloc+0x32/0xae0
[ 578.790630][ T7978] d_alloc_parallel+0x111/0x1480
[ 578.790650][ T7978] ? mark_held_locks+0x49/0x80
[ 578.790669][ T7978] ? __lock_acquire+0x62e/0x1ce0
[ 578.790687][ T7978] ? __pfx_d_alloc_parallel+0x10/0x10
[ 578.790706][ T7978] ? lockdep_init_map_type+0x5c/0x280
[ 578.790717][ T7978] ? lockdep_init_map_type+0x5c/0x280
[ 578.790731][ T7978] __lookup_slow+0x193/0x460
[ 578.790749][ T7978] ? __pfx___lookup_slow+0x10/0x10
[ 578.790768][ T7978] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 578.790788][ T7978] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 578.790804][ T7978] ? d_lookup+0xe7/0x190
[ 578.790823][ T7978] lookup_noperm+0xe1/0x110
[ 578.790840][ T7978] simple_start_creating+0xd1/0x1b0
[ 578.790855][ T7978] start_creating.part.0+0x82/0x190
[ 578.790870][ T7978] __debugfs_create_file+0xa7/0x6b0
[ 578.790886][ T7978] debugfs_create_file_unsafe+0x3c/0x50
[ 578.790902][ T7978] debugfs_create_u64+0x70/0xa0
[ 578.790916][ T7978] nbd_start_device+0x46c/0xd70
[ 578.790932][ T7978] ? bpf_lsm_capable+0x9/0x10
[ 578.790952][ T7978] nbd_ioctl+0x219/0xda0
[ 578.790965][ T7978] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 578.790983][ T7978] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.790994][ T7978] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 578.791018][ T7978] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.791031][ T7978] blkdev_ioctl+0x274/0x6d0
[ 578.791049][ T7978] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.791065][ T7978] ? selinux_file_ioctl+0x180/0x270
[ 578.791080][ T7978] ? selinux_file_ioctl+0xb4/0x270
[ 578.791097][ T7978] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.791114][ T7978] __x64_sys_ioctl+0x18b/0x210
[ 578.791132][ T7978] do_syscall_64+0xcd/0x4c0
[ 578.791146][ T7978] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.791162][ T7978] RIP: 0033:0x7f3be221f569
[ 578.791173][ T7978] 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
[ 578.791184][ T7978] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 578.791196][ T7978] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 578.791203][ T7978] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 578.791211][ T7978] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 578.791218][ T7978] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 578.791226][ T7978] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 578.791250][ T7978]
[ 579.121396][ T7978] block nbd0: shutting down sockets
[ 579.221977][ T7981] FAULT_INJECTION: forcing a failure.
[ 579.221977][ T7981] name failslab, interval 1, probability 0, space 0, times 0
[ 579.234623][ T7981] CPU: 1 UID: 0 PID: 7981 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 579.234640][ T7981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 579.234648][ T7981] Call Trace:
[ 579.234652][ T7981]
[ 579.234657][ T7981] dump_stack_lvl+0x16c/0x1f0
[ 579.234674][ T7981] should_fail_ex+0x512/0x640
[ 579.234689][ T7981] ? fs_reclaim_acquire+0xae/0x150
[ 579.234706][ T7981] should_failslab+0xc2/0x120
[ 579.234720][ T7981] __kvmalloc_node_noprof+0x137/0x620
[ 579.234733][ T7981] ? sbitmap_init_node+0x1ca/0x770
[ 579.234752][ T7981] ? sbitmap_init_node+0x1ca/0x770
[ 579.234767][ T7981] sbitmap_init_node+0x1ca/0x770
[ 579.234786][ T7981] sbitmap_queue_init_node+0x40/0x4a0
[ 579.234804][ T7981] blk_mq_init_tags+0x12d/0x2b0
[ 579.234820][ T7981] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 579.234838][ T7981] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 579.234857][ T7981] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 579.234876][ T7981] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 579.234888][ T7981] ? rcu_is_watching+0x12/0xc0
[ 579.234903][ T7981] ? trace_contention_end+0xdd/0x130
[ 579.234916][ T7981] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 579.234937][ T7981] ? __pfx_down_write+0x10/0x10
[ 579.234955][ T7981] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 579.234968][ T7981] nbd_start_device+0x1b0/0xd70
[ 579.234983][ T7981] ? bpf_lsm_capable+0x9/0x10
[ 579.235002][ T7981] nbd_ioctl+0x219/0xda0
[ 579.235015][ T7981] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 579.235034][ T7981] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.235045][ T7981] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 579.235069][ T7981] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.235082][ T7981] blkdev_ioctl+0x274/0x6d0
[ 579.235099][ T7981] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.235115][ T7981] ? selinux_file_ioctl+0x180/0x270
[ 579.235130][ T7981] ? selinux_file_ioctl+0xb4/0x270
[ 579.235146][ T7981] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.235164][ T7981] __x64_sys_ioctl+0x18b/0x210
[ 579.235181][ T7981] do_syscall_64+0xcd/0x4c0
[ 579.235198][ T7981] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 579.235211][ T7981] RIP: 0033:0x7f3be221f569
[ 579.235221][ T7981] 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
[ 579.235232][ T7981] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 579.235243][ T7981] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 579.235252][ T7981] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 579.235259][ T7981] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 579.235266][ T7981] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 579.235273][ T7981] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 579.235288][ T7981]
[ 579.541585][ T7981] block nbd0: shutting down sockets
[ 579.641964][ T7983] FAULT_INJECTION: forcing a failure.
[ 579.641964][ T7983] name failslab, interval 1, probability 0, space 0, times 0
[ 579.654657][ T7983] CPU: 0 UID: 0 PID: 7983 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 579.654679][ T7983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 579.654687][ T7983] Call Trace:
[ 579.654692][ T7983]
[ 579.654697][ T7983] dump_stack_lvl+0x16c/0x1f0
[ 579.654714][ T7983] should_fail_ex+0x512/0x640
[ 579.654728][ T7983] ? fs_reclaim_acquire+0xae/0x150
[ 579.654745][ T7983] should_failslab+0xc2/0x120
[ 579.654759][ T7983] __kmalloc_cache_node_noprof+0x6d/0x420
[ 579.654778][ T7983] ? lockdep_init_map_type+0x5c/0x280
[ 579.654790][ T7983] ? blk_mq_init_tags+0x87/0x2b0
[ 579.654806][ T7983] blk_mq_init_tags+0x87/0x2b0
[ 579.654821][ T7983] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 579.654839][ T7983] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 579.654858][ T7983] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 579.654878][ T7983] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 579.654889][ T7983] ? rcu_is_watching+0x12/0xc0
[ 579.654905][ T7983] ? trace_contention_end+0xdd/0x130
[ 579.654918][ T7983] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 579.654939][ T7983] ? __pfx_down_write+0x10/0x10
[ 579.654958][ T7983] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 579.654970][ T7983] nbd_start_device+0x1b0/0xd70
[ 579.654986][ T7983] ? bpf_lsm_capable+0x9/0x10
[ 579.655006][ T7983] nbd_ioctl+0x219/0xda0
[ 579.655019][ T7983] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 579.655036][ T7983] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.655048][ T7983] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 579.655073][ T7983] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.655086][ T7983] blkdev_ioctl+0x274/0x6d0
[ 579.655102][ T7983] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.655118][ T7983] ? selinux_file_ioctl+0x180/0x270
[ 579.655133][ T7983] ? selinux_file_ioctl+0xb4/0x270
[ 579.655152][ T7983] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.655169][ T7983] __x64_sys_ioctl+0x18b/0x210
[ 579.655187][ T7983] do_syscall_64+0xcd/0x4c0
[ 579.655201][ T7983] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 579.655214][ T7983] RIP: 0033:0x7f3be221f569
[ 579.655224][ T7983] 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
[ 579.655235][ T7983] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 579.655247][ T7983] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 579.655255][ T7983] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 579.655262][ T7983] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 579.655270][ T7983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 579.655277][ T7983] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 579.655292][ T7983]
[ 580.035914][ T7983] block nbd0: shutting down sockets
[ 580.151373][ T7986] block nbd0: Device being setup by another task
[ 580.158064][ T7985] FAULT_INJECTION: forcing a failure.
[ 580.158064][ T7985] name failslab, interval 1, probability 0, space 0, times 0
[ 580.170702][ T7985] CPU: 1 UID: 0 PID: 7985 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 580.170719][ T7985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 580.170726][ T7985] Call Trace:
[ 580.170731][ T7985]
[ 580.170735][ T7985] dump_stack_lvl+0x16c/0x1f0
[ 580.170753][ T7985] should_fail_ex+0x512/0x640
[ 580.170768][ T7985] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 580.170783][ T7985] should_failslab+0xc2/0x120
[ 580.170796][ T7985] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 580.170809][ T7985] ? __d_alloc+0x32/0xae0
[ 580.170836][ T7985] __d_alloc+0x32/0xae0
[ 580.170863][ T7985] d_alloc_parallel+0x111/0x1480
[ 580.170886][ T7985] ? mark_held_locks+0x49/0x80
[ 580.170906][ T7985] ? __lock_acquire+0x62e/0x1ce0
[ 580.170923][ T7985] ? __pfx_d_alloc_parallel+0x10/0x10
[ 580.170942][ T7985] ? lockdep_init_map_type+0x5c/0x280
[ 580.170954][ T7985] ? lockdep_init_map_type+0x5c/0x280
[ 580.170968][ T7985] __lookup_slow+0x193/0x460
[ 580.170986][ T7985] ? __pfx___lookup_slow+0x10/0x10
[ 580.171004][ T7985] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 580.171024][ T7985] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 580.171040][ T7985] ? d_lookup+0xe7/0x190
[ 580.171060][ T7985] lookup_noperm+0xe1/0x110
[ 580.171076][ T7985] simple_start_creating+0xd1/0x1b0
[ 580.171095][ T7985] start_creating.part.0+0x82/0x190
[ 580.171111][ T7985] __debugfs_create_file+0xa7/0x6b0
[ 580.171126][ T7985] debugfs_create_file_unsafe+0x3c/0x50
[ 580.171142][ T7985] debugfs_create_u64+0x70/0xa0
[ 580.171161][ T7985] nbd_start_device+0x46c/0xd70
[ 580.171187][ T7985] ? bpf_lsm_capable+0x9/0x10
[ 580.171215][ T7985] nbd_ioctl+0x219/0xda0
[ 580.171228][ T7985] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 580.171246][ T7985] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.171257][ T7985] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 580.171282][ T7985] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.171295][ T7985] blkdev_ioctl+0x274/0x6d0
[ 580.171312][ T7985] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.171329][ T7985] ? selinux_file_ioctl+0x180/0x270
[ 580.171345][ T7985] ? selinux_file_ioctl+0xb4/0x270
[ 580.171362][ T7985] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.171380][ T7985] __x64_sys_ioctl+0x18b/0x210
[ 580.171398][ T7985] do_syscall_64+0xcd/0x4c0
[ 580.171413][ T7985] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.171425][ T7985] RIP: 0033:0x7f3be221f569
[ 580.171435][ T7985] 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
[ 580.171447][ T7985] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 580.171459][ T7985] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 580.171467][ T7985] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 580.171474][ T7985] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 580.171482][ T7985] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 580.171489][ T7985] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 580.171504][ T7985]
[ 580.578454][ T7985] block nbd0: shutting down sockets
[ 580.671963][ T7988] FAULT_INJECTION: forcing a failure.
[ 580.671963][ T7988] name failslab, interval 1, probability 0, space 0, times 0
[ 580.684757][ T7988] CPU: 0 UID: 0 PID: 7988 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 580.684784][ T7988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 580.684797][ T7988] Call Trace:
[ 580.684804][ T7988]
[ 580.684812][ T7988] dump_stack_lvl+0x16c/0x1f0
[ 580.684839][ T7988] should_fail_ex+0x512/0x640
[ 580.684861][ T7988] ? fs_reclaim_acquire+0xae/0x150
[ 580.684889][ T7988] should_failslab+0xc2/0x120
[ 580.684909][ T7988] __kvmalloc_node_noprof+0x137/0x620
[ 580.684930][ T7988] ? sbitmap_init_node+0x1ca/0x770
[ 580.684962][ T7988] ? sbitmap_init_node+0x1ca/0x770
[ 580.684987][ T7988] sbitmap_init_node+0x1ca/0x770
[ 580.685019][ T7988] sbitmap_queue_init_node+0x40/0x4a0
[ 580.685050][ T7988] blk_mq_init_tags+0x12d/0x2b0
[ 580.685076][ T7988] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 580.685109][ T7988] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 580.685142][ T7988] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 580.685175][ T7988] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 580.685195][ T7988] ? rcu_is_watching+0x12/0xc0
[ 580.685220][ T7988] ? trace_contention_end+0xdd/0x130
[ 580.685244][ T7988] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 580.685283][ T7988] ? __pfx_down_write+0x10/0x10
[ 580.685325][ T7988] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 580.685347][ T7988] nbd_start_device+0x1b0/0xd70
[ 580.685373][ T7988] ? bpf_lsm_capable+0x9/0x10
[ 580.685406][ T7988] nbd_ioctl+0x219/0xda0
[ 580.685428][ T7988] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 580.685456][ T7988] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.685476][ T7988] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 580.685514][ T7988] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.685529][ T7988] blkdev_ioctl+0x274/0x6d0
[ 580.685546][ T7988] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.685562][ T7988] ? selinux_file_ioctl+0x180/0x270
[ 580.685577][ T7988] ? selinux_file_ioctl+0xb4/0x270
[ 580.685594][ T7988] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.685611][ T7988] __x64_sys_ioctl+0x18b/0x210
[ 580.685629][ T7988] do_syscall_64+0xcd/0x4c0
[ 580.685643][ T7988] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.685656][ T7988] RIP: 0033:0x7f3be221f569
[ 580.685666][ T7988] 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
[ 580.685678][ T7988] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 580.685689][ T7988] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 580.685697][ T7988] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 580.685706][ T7988] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 580.685718][ T7988] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 580.685730][ T7988] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 580.685757][ T7988]
[ 581.075289][ T7988] block nbd0: shutting down sockets
[ 581.182383][ T7990] FAULT_INJECTION: forcing a failure.
[ 581.182383][ T7990] name failslab, interval 1, probability 0, space 0, times 0
[ 581.195019][ T7990] CPU: 1 UID: 0 PID: 7990 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 581.195036][ T7990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 581.195044][ T7990] Call Trace:
[ 581.195049][ T7990]
[ 581.195053][ T7990] dump_stack_lvl+0x16c/0x1f0
[ 581.195070][ T7990] should_fail_ex+0x512/0x640
[ 581.195083][ T7990] ? fs_reclaim_acquire+0xae/0x150
[ 581.195101][ T7990] should_failslab+0xc2/0x120
[ 581.195115][ T7990] __kvmalloc_node_noprof+0x137/0x620
[ 581.195128][ T7990] ? sbitmap_init_node+0x1ca/0x770
[ 581.195147][ T7990] ? sbitmap_init_node+0x1ca/0x770
[ 581.195161][ T7990] sbitmap_init_node+0x1ca/0x770
[ 581.195180][ T7990] sbitmap_queue_init_node+0x40/0x4a0
[ 581.195199][ T7990] blk_mq_init_tags+0x12d/0x2b0
[ 581.195214][ T7990] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 581.195236][ T7990] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 581.195256][ T7990] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 581.195275][ T7990] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 581.195292][ T7990] ? rcu_is_watching+0x12/0xc0
[ 581.195316][ T7990] ? trace_contention_end+0xdd/0x130
[ 581.195341][ T7990] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 581.195363][ T7990] ? __pfx_down_write+0x10/0x10
[ 581.195381][ T7990] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 581.195394][ T7990] nbd_start_device+0x1b0/0xd70
[ 581.195410][ T7990] ? bpf_lsm_capable+0x9/0x10
[ 581.195430][ T7990] nbd_ioctl+0x219/0xda0
[ 581.195443][ T7990] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 581.195461][ T7990] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.195473][ T7990] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 581.195497][ T7990] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.195510][ T7990] blkdev_ioctl+0x274/0x6d0
[ 581.195527][ T7990] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.195543][ T7990] ? selinux_file_ioctl+0x180/0x270
[ 581.195558][ T7990] ? selinux_file_ioctl+0xb4/0x270
[ 581.195575][ T7990] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.195592][ T7990] __x64_sys_ioctl+0x18b/0x210
[ 581.195610][ T7990] do_syscall_64+0xcd/0x4c0
[ 581.195625][ T7990] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.195637][ T7990] RIP: 0033:0x7f3be221f569
[ 581.195647][ 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
[ 581.195658][ T7990] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 581.195669][ T7990] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 581.195677][ T7990] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 581.195684][ T7990] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 581.195691][ T7990] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 581.195699][ T7990] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 581.195714][ T7990]
[ 581.587142][ T7990] block nbd0: shutting down sockets
[ 581.681929][ T7992] FAULT_INJECTION: forcing a failure.
[ 581.681929][ T7992] name failslab, interval 1, probability 0, space 0, times 0
[ 581.694652][ T7992] CPU: 1 UID: 0 PID: 7992 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 581.694678][ T7992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 581.694688][ T7992] Call Trace:
[ 581.694694][ T7992]
[ 581.694700][ T7992] dump_stack_lvl+0x16c/0x1f0
[ 581.694723][ T7992] should_fail_ex+0x512/0x640
[ 581.694741][ T7992] ? fs_reclaim_acquire+0xae/0x150
[ 581.694764][ T7992] should_failslab+0xc2/0x120
[ 581.694783][ T7992] __kmalloc_cache_node_noprof+0x6d/0x420
[ 581.694808][ T7992] ? lockdep_init_map_type+0x5c/0x280
[ 581.694824][ T7992] ? blk_mq_init_tags+0x87/0x2b0
[ 581.694845][ T7992] blk_mq_init_tags+0x87/0x2b0
[ 581.694865][ T7992] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 581.694890][ T7992] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 581.694916][ T7992] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 581.694943][ T7992] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 581.694958][ T7992] ? rcu_is_watching+0x12/0xc0
[ 581.694978][ T7992] ? trace_contention_end+0xdd/0x130
[ 581.694996][ T7992] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 581.695025][ T7992] ? __pfx_down_write+0x10/0x10
[ 581.695051][ T7992] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 581.695068][ T7992] nbd_start_device+0x1b0/0xd70
[ 581.695089][ T7992] ? bpf_lsm_capable+0x9/0x10
[ 581.695115][ T7992] nbd_ioctl+0x219/0xda0
[ 581.695133][ T7992] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 581.695157][ T7992] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.695173][ T7992] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 581.695212][ T7992] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.695230][ T7992] blkdev_ioctl+0x274/0x6d0
[ 581.695252][ T7992] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.695274][ T7992] ? selinux_file_ioctl+0x180/0x270
[ 581.695294][ T7992] ? selinux_file_ioctl+0xb4/0x270
[ 581.695316][ T7992] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.695340][ T7992] __x64_sys_ioctl+0x18b/0x210
[ 581.695367][ T7992] do_syscall_64+0xcd/0x4c0
[ 581.695387][ T7992] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.695403][ T7992] RIP: 0033:0x7f3be221f569
[ 581.695417][ T7992] 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
[ 581.695432][ T7992] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 581.695448][ T7992] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 581.695459][ T7992] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 581.695468][ T7992] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 581.695479][ T7992] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 581.695489][ T7992] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 581.695510][ T7992]
[ 581.991431][ T7992] block nbd0: shutting down sockets
[ 582.111444][ T7995] FAULT_INJECTION: forcing a failure.
[ 582.111444][ T7995] name failslab, interval 1, probability 0, space 0, times 0
[ 582.124148][ T7995] CPU: 0 UID: 0 PID: 7995 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 582.124174][ T7995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 582.124184][ T7995] Call Trace:
[ 582.124189][ T7995]
[ 582.124194][ T7995] dump_stack_lvl+0x16c/0x1f0
[ 582.124212][ T7995] should_fail_ex+0x512/0x640
[ 582.124226][ T7995] ? fs_reclaim_acquire+0xae/0x150
[ 582.124243][ T7995] should_failslab+0xc2/0x120
[ 582.124257][ T7995] __kvmalloc_node_noprof+0x137/0x620
[ 582.124270][ T7995] ? sbitmap_init_node+0x1ca/0x770
[ 582.124289][ T7995] ? sbitmap_init_node+0x1ca/0x770
[ 582.124304][ T7995] sbitmap_init_node+0x1ca/0x770
[ 582.124323][ T7995] sbitmap_queue_init_node+0x40/0x4a0
[ 582.124342][ T7995] blk_mq_init_tags+0x12d/0x2b0
[ 582.124357][ T7995] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 582.124375][ T7995] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 582.124394][ T7995] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 582.124413][ T7995] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 582.124425][ T7995] ? rcu_is_watching+0x12/0xc0
[ 582.124439][ T7995] ? trace_contention_end+0xdd/0x130
[ 582.124453][ T7995] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 582.124474][ T7995] ? __pfx_down_write+0x10/0x10
[ 582.124492][ T7995] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 582.124505][ T7995] nbd_start_device+0x1b0/0xd70
[ 582.124521][ T7995] ? bpf_lsm_capable+0x9/0x10
[ 582.124540][ T7995] nbd_ioctl+0x219/0xda0
[ 582.124554][ T7995] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 582.124572][ T7995] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.124583][ T7995] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 582.124607][ T7995] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.124620][ T7995] blkdev_ioctl+0x274/0x6d0
[ 582.124637][ T7995] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.124653][ T7995] ? selinux_file_ioctl+0x180/0x270
[ 582.124668][ T7995] ? selinux_file_ioctl+0xb4/0x270
[ 582.124685][ T7995] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.124702][ T7995] __x64_sys_ioctl+0x18b/0x210
[ 582.124720][ T7995] do_syscall_64+0xcd/0x4c0
[ 582.124734][ T7995] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.124747][ T7995] RIP: 0033:0x7f3be221f569
[ 582.124757][ T7995] 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
[ 582.124768][ T7995] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 582.124780][ T7995] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 582.124788][ T7995] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 582.124795][ T7995] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 582.124802][ T7995] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 582.124809][ T7995] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 582.124824][ T7995]
[ 582.515783][ T7995] block nbd0: shutting down sockets
[ 582.611886][ T7997] FAULT_INJECTION: forcing a failure.
[ 582.611886][ T7997] name failslab, interval 1, probability 0, space 0, times 0
[ 582.624609][ T7997] CPU: 0 UID: 0 PID: 7997 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 582.624636][ T7997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 582.624646][ T7997] Call Trace:
[ 582.624652][ T7997]
[ 582.624658][ T7997] dump_stack_lvl+0x16c/0x1f0
[ 582.624681][ T7997] should_fail_ex+0x512/0x640
[ 582.624699][ T7997] ? fs_reclaim_acquire+0xae/0x150
[ 582.624722][ T7997] should_failslab+0xc2/0x120
[ 582.624740][ T7997] __kvmalloc_node_noprof+0x137/0x620
[ 582.624757][ T7997] ? sbitmap_init_node+0x1ca/0x770
[ 582.624783][ T7997] ? sbitmap_init_node+0x1ca/0x770
[ 582.624803][ T7997] sbitmap_init_node+0x1ca/0x770
[ 582.624834][ T7997] sbitmap_queue_init_node+0x40/0x4a0
[ 582.624859][ T7997] blk_mq_init_tags+0x12d/0x2b0
[ 582.624880][ T7997] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 582.624906][ T7997] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 582.624932][ T7997] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 582.624957][ T7997] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 582.624972][ T7997] ? rcu_is_watching+0x12/0xc0
[ 582.624993][ T7997] ? trace_contention_end+0xdd/0x130
[ 582.625011][ T7997] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 582.625040][ T7997] ? __pfx_down_write+0x10/0x10
[ 582.625066][ T7997] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 582.625086][ T7997] nbd_start_device+0x1b0/0xd70
[ 582.625108][ T7997] ? bpf_lsm_capable+0x9/0x10
[ 582.625135][ T7997] nbd_ioctl+0x219/0xda0
[ 582.625153][ T7997] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 582.625176][ T7997] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.625192][ T7997] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 582.625224][ T7997] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.625242][ T7997] blkdev_ioctl+0x274/0x6d0
[ 582.625264][ T7997] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.625286][ T7997] ? selinux_file_ioctl+0x180/0x270
[ 582.625306][ T7997] ? selinux_file_ioctl+0xb4/0x270
[ 582.625328][ T7997] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.625351][ T7997] __x64_sys_ioctl+0x18b/0x210
[ 582.625375][ T7997] do_syscall_64+0xcd/0x4c0
[ 582.625395][ T7997] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.625411][ T7997] RIP: 0033:0x7f3be221f569
[ 582.625425][ T7997] 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
[ 582.625441][ T7997] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 582.625456][ T7997] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 582.625467][ T7997] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 582.625477][ T7997] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 582.625487][ T7997] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 582.625497][ T7997] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 582.625519][ T7997]
[ 582.921455][ T7997] block nbd0: shutting down sockets
[ 583.022398][ T7999] FAULT_INJECTION: forcing a failure.
[ 583.022398][ T7999] name failslab, interval 1, probability 0, space 0, times 0
[ 583.035070][ T7999] CPU: 1 UID: 0 PID: 7999 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 583.035095][ T7999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 583.035107][ T7999] Call Trace:
[ 583.035115][ T7999]
[ 583.035121][ T7999] dump_stack_lvl+0x16c/0x1f0
[ 583.035139][ T7999] should_fail_ex+0x512/0x640
[ 583.035152][ T7999] ? fs_reclaim_acquire+0xae/0x150
[ 583.035169][ T7999] should_failslab+0xc2/0x120
[ 583.035183][ T7999] __kvmalloc_node_noprof+0x137/0x620
[ 583.035196][ T7999] ? sbitmap_init_node+0x1ca/0x770
[ 583.035215][ T7999] ? sbitmap_init_node+0x1ca/0x770
[ 583.035230][ T7999] sbitmap_init_node+0x1ca/0x770
[ 583.035249][ T7999] sbitmap_queue_init_node+0x40/0x4a0
[ 583.035268][ T7999] blk_mq_init_tags+0x12d/0x2b0
[ 583.035283][ T7999] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 583.035301][ T7999] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 583.035320][ T7999] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 583.035339][ T7999] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 583.035350][ T7999] ? rcu_is_watching+0x12/0xc0
[ 583.035374][ T7999] ? trace_contention_end+0xdd/0x130
[ 583.035398][ T7999] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 583.035430][ T7999] ? __pfx_down_write+0x10/0x10
[ 583.035449][ T7999] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 583.035461][ T7999] nbd_start_device+0x1b0/0xd70
[ 583.035477][ T7999] ? bpf_lsm_capable+0x9/0x10
[ 583.035498][ T7999] nbd_ioctl+0x219/0xda0
[ 583.035511][ T7999] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 583.035529][ T7999] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.035540][ T7999] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 583.035564][ T7999] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.035578][ T7999] blkdev_ioctl+0x274/0x6d0
[ 583.035594][ T7999] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.035610][ T7999] ? selinux_file_ioctl+0x180/0x270
[ 583.035625][ T7999] ? selinux_file_ioctl+0xb4/0x270
[ 583.035642][ T7999] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.035659][ T7999] __x64_sys_ioctl+0x18b/0x210
[ 583.035677][ T7999] do_syscall_64+0xcd/0x4c0
[ 583.035691][ T7999] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.035704][ T7999] RIP: 0033:0x7f3be221f569
[ 583.035715][ T7999] 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
[ 583.035727][ T7999] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 583.035739][ T7999] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 583.035747][ T7999] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 583.035753][ T7999] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 583.035761][ T7999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 583.035768][ T7999] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 583.035783][ T7999]
[ 583.424347][ T7999] block nbd0: shutting down sockets
[ 583.541243][ T8002] block nbd0: Device being setup by another task
[ 583.547821][ T8001] FAULT_INJECTION: forcing a failure.
[ 583.547821][ T8001] name failslab, interval 1, probability 0, space 0, times 0
[ 583.560553][ T8001] CPU: 0 UID: 0 PID: 8001 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 583.560578][ T8001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 583.560586][ T8001] Call Trace:
[ 583.560591][ T8001]
[ 583.560596][ T8001] dump_stack_lvl+0x16c/0x1f0
[ 583.560613][ T8001] should_fail_ex+0x512/0x640
[ 583.560627][ T8001] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 583.560642][ T8001] should_failslab+0xc2/0x120
[ 583.560656][ T8001] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 583.560668][ T8001] ? __d_alloc+0x32/0xae0
[ 583.560686][ T8001] __d_alloc+0x32/0xae0
[ 583.560701][ T8001] d_alloc_parallel+0x111/0x1480
[ 583.560720][ T8001] ? mark_held_locks+0x49/0x80
[ 583.560742][ T8001] ? __lock_acquire+0x62e/0x1ce0
[ 583.560760][ T8001] ? __pfx_d_alloc_parallel+0x10/0x10
[ 583.560778][ T8001] ? lockdep_init_map_type+0x5c/0x280
[ 583.560790][ T8001] ? lockdep_init_map_type+0x5c/0x280
[ 583.560803][ T8001] __lookup_slow+0x193/0x460
[ 583.560821][ T8001] ? __pfx___lookup_slow+0x10/0x10
[ 583.560840][ T8001] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 583.560860][ T8001] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 583.560875][ T8001] ? d_lookup+0xe7/0x190
[ 583.560895][ T8001] lookup_noperm+0xe1/0x110
[ 583.560912][ T8001] simple_start_creating+0xd1/0x1b0
[ 583.560926][ T8001] start_creating.part.0+0x82/0x190
[ 583.560942][ T8001] __debugfs_create_file+0xa7/0x6b0
[ 583.560958][ T8001] debugfs_create_file_unsafe+0x3c/0x50
[ 583.560974][ T8001] debugfs_create_u64+0x70/0xa0
[ 583.560996][ T8001] nbd_start_device+0x46c/0xd70
[ 583.561012][ T8001] ? bpf_lsm_capable+0x9/0x10
[ 583.561031][ T8001] nbd_ioctl+0x219/0xda0
[ 583.561044][ T8001] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 583.561062][ T8001] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.561073][ T8001] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 583.561098][ T8001] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.561111][ T8001] blkdev_ioctl+0x274/0x6d0
[ 583.561128][ T8001] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.561144][ T8001] ? selinux_file_ioctl+0x180/0x270
[ 583.561167][ T8001] ? selinux_file_ioctl+0xb4/0x270
[ 583.561193][ T8001] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.561218][ T8001] __x64_sys_ioctl+0x18b/0x210
[ 583.561236][ T8001] do_syscall_64+0xcd/0x4c0
[ 583.561251][ T8001] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.561263][ T8001] RIP: 0033:0x7f3be221f569
[ 583.561273][ T8001] 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
[ 583.561285][ T8001] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 583.561296][ T8001] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 583.561304][ T8001] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 583.561311][ T8001] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 583.561319][ T8001] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 583.561326][ T8001] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 583.561341][ T8001]
[ 583.970690][ T8001] block nbd0: shutting down sockets
[ 584.072212][ T8004] FAULT_INJECTION: forcing a failure.
[ 584.072212][ T8004] name failslab, interval 1, probability 0, space 0, times 0
[ 584.084902][ T8004] CPU: 1 UID: 0 PID: 8004 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 584.084932][ T8004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 584.084941][ T8004] Call Trace:
[ 584.084946][ T8004]
[ 584.084951][ T8004] dump_stack_lvl+0x16c/0x1f0
[ 584.084969][ T8004] should_fail_ex+0x512/0x640
[ 584.084982][ T8004] ? fs_reclaim_acquire+0xae/0x150
[ 584.085000][ T8004] should_failslab+0xc2/0x120
[ 584.085013][ T8004] __kvmalloc_node_noprof+0x137/0x620
[ 584.085026][ T8004] ? sbitmap_init_node+0x1ca/0x770
[ 584.085045][ T8004] ? sbitmap_init_node+0x1ca/0x770
[ 584.085059][ T8004] sbitmap_init_node+0x1ca/0x770
[ 584.085078][ T8004] sbitmap_queue_init_node+0x40/0x4a0
[ 584.085096][ T8004] blk_mq_init_tags+0x12d/0x2b0
[ 584.085112][ T8004] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 584.085130][ T8004] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 584.085149][ T8004] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 584.085168][ T8004] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 584.085179][ T8004] ? rcu_is_watching+0x12/0xc0
[ 584.085195][ T8004] ? trace_contention_end+0xdd/0x130
[ 584.085208][ T8004] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 584.085229][ T8004] ? __pfx_down_write+0x10/0x10
[ 584.085247][ T8004] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 584.085260][ T8004] nbd_start_device+0x1b0/0xd70
[ 584.085276][ T8004] ? bpf_lsm_capable+0x9/0x10
[ 584.085295][ T8004] nbd_ioctl+0x219/0xda0
[ 584.085308][ T8004] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 584.085326][ T8004] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.085338][ T8004] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 584.085361][ T8004] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.085375][ T8004] blkdev_ioctl+0x274/0x6d0
[ 584.085391][ T8004] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.085407][ T8004] ? selinux_file_ioctl+0x180/0x270
[ 584.085422][ T8004] ? selinux_file_ioctl+0xb4/0x270
[ 584.085439][ T8004] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.085456][ T8004] __x64_sys_ioctl+0x18b/0x210
[ 584.085475][ T8004] do_syscall_64+0xcd/0x4c0
[ 584.085489][ T8004] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.085501][ T8004] RIP: 0033:0x7f3be221f569
[ 584.085512][ T8004] 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
[ 584.085523][ T8004] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 584.085535][ T8004] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 584.085543][ T8004] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 584.085550][ T8004] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 584.085557][ T8004] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 584.085564][ T8004] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 584.085579][ T8004]
[ 584.476505][ T8004] block nbd0: shutting down sockets
[ 584.561943][ T8006] FAULT_INJECTION: forcing a failure.
[ 584.561943][ T8006] name failslab, interval 1, probability 0, space 0, times 0
[ 584.574972][ T8006] CPU: 0 UID: 0 PID: 8006 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 584.575000][ T8006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 584.575013][ T8006] Call Trace:
[ 584.575020][ T8006]
[ 584.575028][ T8006] dump_stack_lvl+0x16c/0x1f0
[ 584.575055][ T8006] should_fail_ex+0x512/0x640
[ 584.575077][ T8006] ? fs_reclaim_acquire+0xae/0x150
[ 584.575106][ T8006] should_failslab+0xc2/0x120
[ 584.575128][ T8006] __kvmalloc_node_noprof+0x137/0x620
[ 584.575149][ T8006] ? sbitmap_init_node+0x1ca/0x770
[ 584.575181][ T8006] ? sbitmap_init_node+0x1ca/0x770
[ 584.575205][ T8006] sbitmap_init_node+0x1ca/0x770
[ 584.575237][ T8006] sbitmap_queue_init_node+0x40/0x4a0
[ 584.575269][ T8006] blk_mq_init_tags+0x12d/0x2b0
[ 584.575294][ T8006] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 584.575327][ T8006] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 584.575358][ T8006] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 584.575391][ T8006] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 584.575411][ T8006] ? rcu_is_watching+0x12/0xc0
[ 584.575435][ T8006] ? trace_contention_end+0xdd/0x130
[ 584.575459][ T8006] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 584.575496][ T8006] ? __pfx_down_write+0x10/0x10
[ 584.575527][ T8006] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 584.575548][ T8006] nbd_start_device+0x1b0/0xd70
[ 584.575573][ T8006] ? bpf_lsm_capable+0x9/0x10
[ 584.575601][ T8006] nbd_ioctl+0x219/0xda0
[ 584.575615][ T8006] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 584.575639][ T8006] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.575652][ T8006] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 584.575676][ T8006] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.575689][ T8006] blkdev_ioctl+0x274/0x6d0
[ 584.575706][ T8006] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.575721][ T8006] ? selinux_file_ioctl+0x180/0x270
[ 584.575737][ T8006] ? selinux_file_ioctl+0xb4/0x270
[ 584.575753][ T8006] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.575770][ T8006] __x64_sys_ioctl+0x18b/0x210
[ 584.575789][ T8006] do_syscall_64+0xcd/0x4c0
[ 584.575807][ T8006] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.575820][ T8006] RIP: 0033:0x7f3be221f569
[ 584.575831][ T8006] 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
[ 584.575842][ T8006] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 584.575854][ T8006] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 584.575862][ T8006] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 584.575869][ T8006] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 584.575878][ T8006] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 584.575885][ T8006] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 584.575903][ T8006]
[ 584.966817][ T8006] block nbd0: shutting down sockets
[ 585.041949][ T8008] FAULT_INJECTION: forcing a failure.
[ 585.041949][ T8008] name failslab, interval 1, probability 0, space 0, times 0
[ 585.054615][ T8008] CPU: 1 UID: 0 PID: 8008 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 585.054642][ T8008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 585.054655][ T8008] Call Trace:
[ 585.054664][ T8008]
[ 585.054670][ T8008] dump_stack_lvl+0x16c/0x1f0
[ 585.054687][ T8008] should_fail_ex+0x512/0x640
[ 585.054701][ T8008] ? fs_reclaim_acquire+0xae/0x150
[ 585.054718][ T8008] should_failslab+0xc2/0x120
[ 585.054732][ T8008] __kvmalloc_node_noprof+0x137/0x620
[ 585.054745][ T8008] ? sbitmap_init_node+0x1ca/0x770
[ 585.054764][ T8008] ? sbitmap_init_node+0x1ca/0x770
[ 585.054779][ T8008] sbitmap_init_node+0x1ca/0x770
[ 585.054798][ T8008] sbitmap_queue_init_node+0x40/0x4a0
[ 585.054817][ T8008] blk_mq_init_tags+0x12d/0x2b0
[ 585.054838][ T8008] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 585.054856][ T8008] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 585.054876][ T8008] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 585.054895][ T8008] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 585.054907][ T8008] ? rcu_is_watching+0x12/0xc0
[ 585.054922][ T8008] ? trace_contention_end+0xdd/0x130
[ 585.054936][ T8008] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 585.054956][ T8008] ? __pfx_down_write+0x10/0x10
[ 585.054974][ T8008] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 585.054987][ T8008] nbd_start_device+0x1b0/0xd70
[ 585.055003][ T8008] ? bpf_lsm_capable+0x9/0x10
[ 585.055022][ T8008] nbd_ioctl+0x219/0xda0
[ 585.055036][ T8008] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.055053][ T8008] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.055065][ T8008] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.055089][ T8008] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.055102][ T8008] blkdev_ioctl+0x274/0x6d0
[ 585.055119][ T8008] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.055135][ T8008] ? selinux_file_ioctl+0x180/0x270
[ 585.055150][ T8008] ? selinux_file_ioctl+0xb4/0x270
[ 585.055167][ T8008] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.055184][ T8008] __x64_sys_ioctl+0x18b/0x210
[ 585.055203][ T8008] do_syscall_64+0xcd/0x4c0
[ 585.055217][ T8008] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.055229][ T8008] RIP: 0033:0x7f3be221f569
[ 585.055240][ T8008] 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
[ 585.055252][ T8008] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.055263][ T8008] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 585.055271][ T8008] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 585.055278][ T8008] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 585.055286][ T8008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 585.055293][ T8008] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.055308][ T8008]
[ 585.445220][ T8008] block nbd0: shutting down sockets
[ 585.571549][ T8011] FAULT_INJECTION: forcing a failure.
[ 585.571549][ T8011] name failslab, interval 1, probability 0, space 0, times 0
[ 585.584235][ T8011] CPU: 1 UID: 0 PID: 8011 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 585.584261][ T8011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 585.584273][ T8011] Call Trace:
[ 585.584278][ T8011]
[ 585.584283][ T8011] dump_stack_lvl+0x16c/0x1f0
[ 585.584300][ T8011] should_fail_ex+0x512/0x640
[ 585.584314][ T8011] ? fs_reclaim_acquire+0xae/0x150
[ 585.584331][ T8011] should_failslab+0xc2/0x120
[ 585.584345][ T8011] __kvmalloc_node_noprof+0x137/0x620
[ 585.584357][ T8011] ? sbitmap_init_node+0x1ca/0x770
[ 585.584376][ T8011] ? sbitmap_init_node+0x1ca/0x770
[ 585.584391][ T8011] sbitmap_init_node+0x1ca/0x770
[ 585.584410][ T8011] sbitmap_queue_init_node+0x40/0x4a0
[ 585.584429][ T8011] blk_mq_init_tags+0x12d/0x2b0
[ 585.584444][ T8011] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 585.584462][ T8011] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 585.584481][ T8011] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 585.584501][ T8011] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 585.584513][ T8011] ? rcu_is_watching+0x12/0xc0
[ 585.584533][ T8011] ? trace_contention_end+0xdd/0x130
[ 585.584546][ T8011] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 585.584567][ T8011] ? __pfx_down_write+0x10/0x10
[ 585.584585][ T8011] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 585.584598][ T8011] nbd_start_device+0x1b0/0xd70
[ 585.584613][ T8011] ? bpf_lsm_capable+0x9/0x10
[ 585.584633][ T8011] nbd_ioctl+0x219/0xda0
[ 585.584646][ T8011] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.584664][ T8011] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.584676][ T8011] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.584700][ T8011] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.584713][ T8011] blkdev_ioctl+0x274/0x6d0
[ 585.584729][ T8011] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.584745][ T8011] ? selinux_file_ioctl+0x180/0x270
[ 585.584760][ T8011] ? selinux_file_ioctl+0xb4/0x270
[ 585.584780][ T8011] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.584797][ T8011] __x64_sys_ioctl+0x18b/0x210
[ 585.584816][ T8011] do_syscall_64+0xcd/0x4c0
[ 585.584830][ T8011] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.584843][ T8011] RIP: 0033:0x7f3be221f569
[ 585.584853][ T8011] 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
[ 585.584864][ T8011] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.584876][ T8011] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 585.584884][ T8011] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 585.584891][ T8011] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 585.584898][ T8011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 585.584905][ T8011] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.584920][ T8011]
[ 585.891447][ T8011] block nbd0: shutting down sockets
[ 585.982201][ T8013] FAULT_INJECTION: forcing a failure.
[ 585.982201][ T8013] name failslab, interval 1, probability 0, space 0, times 0
[ 585.994902][ T8013] CPU: 0 UID: 0 PID: 8013 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 585.994927][ T8013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 585.994939][ T8013] Call Trace:
[ 585.994946][ T8013]
[ 585.994952][ T8013] dump_stack_lvl+0x16c/0x1f0
[ 585.994975][ T8013] should_fail_ex+0x512/0x640
[ 585.994994][ T8013] ? fs_reclaim_acquire+0xae/0x150
[ 585.995016][ T8013] should_failslab+0xc2/0x120
[ 585.995035][ T8013] __kvmalloc_node_noprof+0x137/0x620
[ 585.995052][ T8013] ? sbitmap_init_node+0x1ca/0x770
[ 585.995079][ T8013] ? sbitmap_init_node+0x1ca/0x770
[ 585.995099][ T8013] sbitmap_init_node+0x1ca/0x770
[ 585.995124][ T8013] sbitmap_queue_init_node+0x40/0x4a0
[ 585.995150][ T8013] blk_mq_init_tags+0x12d/0x2b0
[ 585.995171][ T8013] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 585.995197][ T8013] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 585.995223][ T8013] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 585.995249][ T8013] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 585.995265][ T8013] ? rcu_is_watching+0x12/0xc0
[ 585.995285][ T8013] ? trace_contention_end+0xdd/0x130
[ 585.995305][ T8013] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 585.995334][ T8013] ? __pfx_down_write+0x10/0x10
[ 585.995359][ T8013] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 585.995376][ T8013] nbd_start_device+0x1b0/0xd70
[ 585.995397][ T8013] ? bpf_lsm_capable+0x9/0x10
[ 585.995424][ T8013] nbd_ioctl+0x219/0xda0
[ 585.995442][ T8013] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.995467][ T8013] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.995483][ T8013] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.995516][ T8013] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.995535][ T8013] blkdev_ioctl+0x274/0x6d0
[ 585.995557][ T8013] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.995579][ T8013] ? selinux_file_ioctl+0x180/0x270
[ 585.995599][ T8013] ? selinux_file_ioctl+0xb4/0x270
[ 585.995622][ T8013] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.995645][ T8013] __x64_sys_ioctl+0x18b/0x210
[ 585.995669][ T8013] do_syscall_64+0xcd/0x4c0
[ 585.995689][ T8013] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.995705][ T8013] RIP: 0033:0x7f3be221f569
[ 585.995718][ T8013] 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
[ 585.995739][ T8013] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.995754][ T8013] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 585.995765][ T8013] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 585.995775][ T8013] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 585.995785][ T8013] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 585.995795][ T8013] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.995816][ T8013]
[ 586.386538][ T8013] block nbd0: shutting down sockets
[ 586.501216][ T8016] block nbd0: Device being setup by another task
[ 586.507793][ T8015] FAULT_INJECTION: forcing a failure.
[ 586.507793][ T8015] name failslab, interval 1, probability 0, space 0, times 0
[ 586.520449][ T8015] CPU: 1 UID: 0 PID: 8015 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 586.520472][ T8015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 586.520483][ T8015] Call Trace:
[ 586.520490][ T8015]
[ 586.520497][ T8015] dump_stack_lvl+0x16c/0x1f0
[ 586.520523][ T8015] should_fail_ex+0x512/0x640
[ 586.520545][ T8015] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 586.520570][ T8015] should_failslab+0xc2/0x120
[ 586.520593][ T8015] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 586.520615][ T8015] ? __d_alloc+0x32/0xae0
[ 586.520644][ T8015] __d_alloc+0x32/0xae0
[ 586.520671][ T8015] d_alloc_parallel+0x111/0x1480
[ 586.520704][ T8015] ? mark_held_locks+0x49/0x80
[ 586.520735][ T8015] ? __lock_acquire+0x62e/0x1ce0
[ 586.520765][ T8015] ? __pfx_d_alloc_parallel+0x10/0x10
[ 586.520797][ T8015] ? lockdep_init_map_type+0x5c/0x280
[ 586.520818][ T8015] ? lockdep_init_map_type+0x5c/0x280
[ 586.520843][ T8015] __lookup_slow+0x193/0x460
[ 586.520872][ T8015] ? __pfx___lookup_slow+0x10/0x10
[ 586.520904][ T8015] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 586.520939][ T8015] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 586.520966][ T8015] ? d_lookup+0xe7/0x190
[ 586.520996][ T8015] lookup_noperm+0xe1/0x110
[ 586.521022][ T8015] simple_start_creating+0xd1/0x1b0
[ 586.521046][ T8015] start_creating.part.0+0x82/0x190
[ 586.521071][ T8015] __debugfs_create_file+0xa7/0x6b0
[ 586.521099][ T8015] debugfs_create_file_unsafe+0x3c/0x50
[ 586.521127][ T8015] debugfs_create_u64+0x70/0xa0
[ 586.521151][ T8015] nbd_start_device+0x46c/0xd70
[ 586.521179][ T8015] ? bpf_lsm_capable+0x9/0x10
[ 586.521211][ T8015] nbd_ioctl+0x219/0xda0
[ 586.521234][ T8015] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 586.521262][ T8015] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.521283][ T8015] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 586.521324][ T8015] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.521347][ T8015] blkdev_ioctl+0x274/0x6d0
[ 586.521375][ T8015] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.521401][ T8015] ? selinux_file_ioctl+0x180/0x270
[ 586.521432][ T8015] ? selinux_file_ioctl+0xb4/0x270
[ 586.521460][ T8015] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.521489][ T8015] __x64_sys_ioctl+0x18b/0x210
[ 586.521519][ T8015] do_syscall_64+0xcd/0x4c0
[ 586.521545][ T8015] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.521567][ T8015] RIP: 0033:0x7f3be221f569
[ 586.521584][ T8015] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 586.521604][ T8015] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 586.521623][ T8015] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 586.521637][ T8015] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 586.521650][ T8015] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 586.521663][ T8015] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 586.521675][ T8015] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 586.521703][ T8015]
[ 586.861410][ T8015] block nbd0: shutting down sockets
[ 586.952303][ T8018] FAULT_INJECTION: forcing a failure.
[ 586.952303][ T8018] name failslab, interval 1, probability 0, space 0, times 0
[ 586.964957][ T8018] CPU: 0 UID: 0 PID: 8018 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 586.964975][ T8018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 586.964982][ T8018] Call Trace:
[ 586.964988][ T8018]
[ 586.964994][ T8018] dump_stack_lvl+0x16c/0x1f0
[ 586.965012][ T8018] should_fail_ex+0x512/0x640
[ 586.965026][ T8018] ? fs_reclaim_acquire+0xae/0x150
[ 586.965043][ T8018] should_failslab+0xc2/0x120
[ 586.965057][ T8018] __kvmalloc_node_noprof+0x137/0x620
[ 586.965069][ T8018] ? sbitmap_init_node+0x1ca/0x770
[ 586.965089][ T8018] ? sbitmap_init_node+0x1ca/0x770
[ 586.965104][ T8018] sbitmap_init_node+0x1ca/0x770
[ 586.965123][ T8018] sbitmap_queue_init_node+0x40/0x4a0
[ 586.965142][ T8018] blk_mq_init_tags+0x12d/0x2b0
[ 586.965158][ T8018] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 586.965176][ T8018] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 586.965195][ T8018] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 586.965215][ T8018] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 586.965227][ T8018] ? rcu_is_watching+0x12/0xc0
[ 586.965242][ T8018] ? trace_contention_end+0xdd/0x130
[ 586.965256][ T8018] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 586.965277][ T8018] ? __pfx_down_write+0x10/0x10
[ 586.965296][ T8018] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 586.965308][ T8018] nbd_start_device+0x1b0/0xd70
[ 586.965324][ T8018] ? bpf_lsm_capable+0x9/0x10
[ 586.965344][ T8018] nbd_ioctl+0x219/0xda0
[ 586.965357][ T8018] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 586.965375][ T8018] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.965387][ T8018] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 586.965415][ T8018] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.965438][ T8018] blkdev_ioctl+0x274/0x6d0
[ 586.965466][ T8018] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.965485][ T8018] ? selinux_file_ioctl+0x180/0x270
[ 586.965500][ T8018] ? selinux_file_ioctl+0xb4/0x270
[ 586.965517][ T8018] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.965534][ T8018] __x64_sys_ioctl+0x18b/0x210
[ 586.965553][ T8018] do_syscall_64+0xcd/0x4c0
[ 586.965567][ T8018] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.965580][ T8018] RIP: 0033:0x7f3be221f569
[ 586.965590][ T8018] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 586.965602][ T8018] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 586.965614][ T8018] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 586.965622][ T8018] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 586.965629][ T8018] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 586.965637][ T8018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 586.965649][ T8018] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 586.965668][ T8018]
[ 587.281455][ T8018] block nbd0: shutting down sockets
[ 587.371968][ T8020] FAULT_INJECTION: forcing a failure.
[ 587.371968][ T8020] name failslab, interval 1, probability 0, space 0, times 0
[ 587.384618][ T8020] CPU: 0 UID: 0 PID: 8020 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 587.384644][ T8020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 587.384656][ T8020] Call Trace:
[ 587.384665][ T8020]
[ 587.384672][ T8020] dump_stack_lvl+0x16c/0x1f0
[ 587.384690][ T8020] should_fail_ex+0x512/0x640
[ 587.384704][ T8020] ? fs_reclaim_acquire+0xae/0x150
[ 587.384721][ T8020] should_failslab+0xc2/0x120
[ 587.384735][ T8020] __kvmalloc_node_noprof+0x137/0x620
[ 587.384748][ T8020] ? sbitmap_init_node+0x1ca/0x770
[ 587.384767][ T8020] ? sbitmap_init_node+0x1ca/0x770
[ 587.384782][ T8020] sbitmap_init_node+0x1ca/0x770
[ 587.384800][ T8020] sbitmap_queue_init_node+0x40/0x4a0
[ 587.384819][ T8020] blk_mq_init_tags+0x12d/0x2b0
[ 587.384834][ T8020] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 587.384853][ T8020] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 587.384872][ T8020] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 587.384892][ T8020] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 587.384904][ T8020] ? rcu_is_watching+0x12/0xc0
[ 587.384919][ T8020] ? trace_contention_end+0xdd/0x130
[ 587.384932][ T8020] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 587.384953][ T8020] ? __pfx_down_write+0x10/0x10
[ 587.384972][ T8020] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 587.384985][ T8020] nbd_start_device+0x1b0/0xd70
[ 587.385000][ T8020] ? bpf_lsm_capable+0x9/0x10
[ 587.385020][ T8020] nbd_ioctl+0x219/0xda0
[ 587.385033][ T8020] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 587.385051][ T8020] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.385063][ T8020] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 587.385087][ T8020] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.385100][ T8020] blkdev_ioctl+0x274/0x6d0
[ 587.385117][ T8020] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.385133][ T8020] ? selinux_file_ioctl+0x180/0x270
[ 587.385148][ T8020] ? selinux_file_ioctl+0xb4/0x270
[ 587.385165][ T8020] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.385182][ T8020] __x64_sys_ioctl+0x18b/0x210
[ 587.385200][ T8020] do_syscall_64+0xcd/0x4c0
[ 587.385215][ T8020] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.385228][ T8020] RIP: 0033:0x7f3be221f569
[ 587.385238][ T8020] 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
[ 587.385250][ T8020] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 587.385262][ T8020] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 587.385269][ T8020] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 587.385276][ T8020] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 587.385284][ T8020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 587.385291][ T8020] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 587.385306][ T8020]
[ 587.706123][ T8020] block nbd0: shutting down sockets
[ 587.821284][ T8023] block nbd0: Device being setup by another task
[ 587.827958][ T8022] FAULT_INJECTION: forcing a failure.
[ 587.827958][ T8022] name failslab, interval 1, probability 0, space 0, times 0
[ 587.840638][ T8022] CPU: 1 UID: 0 PID: 8022 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 587.840654][ T8022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 587.840662][ T8022] Call Trace:
[ 587.840667][ T8022]
[ 587.840672][ T8022] dump_stack_lvl+0x16c/0x1f0
[ 587.840690][ T8022] should_fail_ex+0x512/0x640
[ 587.840703][ T8022] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 587.840718][ T8022] should_failslab+0xc2/0x120
[ 587.840732][ T8022] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 587.840745][ T8022] ? __d_alloc+0x32/0xae0
[ 587.840762][ T8022] __d_alloc+0x32/0xae0
[ 587.840777][ T8022] d_alloc_parallel+0x111/0x1480
[ 587.840797][ T8022] ? mark_held_locks+0x49/0x80
[ 587.840816][ T8022] ? __lock_acquire+0x62e/0x1ce0
[ 587.840834][ T8022] ? __pfx_d_alloc_parallel+0x10/0x10
[ 587.840853][ T8022] ? lockdep_init_map_type+0x5c/0x280
[ 587.840864][ T8022] ? lockdep_init_map_type+0x5c/0x280
[ 587.840878][ T8022] __lookup_slow+0x193/0x460
[ 587.840895][ T8022] ? __pfx___lookup_slow+0x10/0x10
[ 587.840914][ T8022] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 587.840934][ T8022] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 587.840950][ T8022] ? d_lookup+0xe7/0x190
[ 587.840969][ T8022] lookup_noperm+0xe1/0x110
[ 587.840986][ T8022] simple_start_creating+0xd1/0x1b0
[ 587.841001][ T8022] start_creating.part.0+0x82/0x190
[ 587.841016][ T8022] __debugfs_create_file+0xa7/0x6b0
[ 587.841032][ T8022] debugfs_create_file_unsafe+0x3c/0x50
[ 587.841049][ T8022] debugfs_create_u64+0x70/0xa0
[ 587.841063][ T8022] nbd_start_device+0x46c/0xd70
[ 587.841079][ T8022] ? bpf_lsm_capable+0x9/0x10
[ 587.841099][ T8022] nbd_ioctl+0x219/0xda0
[ 587.841113][ T8022] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 587.841130][ T8022] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.841142][ T8022] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 587.841178][ T8022] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.841200][ T8022] blkdev_ioctl+0x274/0x6d0
[ 587.841224][ T8022] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.841242][ T8022] ? selinux_file_ioctl+0x180/0x270
[ 587.841257][ T8022] ? selinux_file_ioctl+0xb4/0x270
[ 587.841274][ T8022] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.841292][ T8022] __x64_sys_ioctl+0x18b/0x210
[ 587.841310][ T8022] do_syscall_64+0xcd/0x4c0
[ 587.841324][ T8022] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.841337][ T8022] RIP: 0033:0x7f3be221f569
[ 587.841348][ T8022] 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
[ 587.841359][ T8022] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 587.841371][ T8022] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 587.841379][ T8022] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 587.841386][ T8022] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 587.841394][ T8022] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 587.841401][ T8022] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 587.841416][ T8022]
[ 588.249090][ T8022] block nbd0: shutting down sockets
[ 588.361339][ T8026] block nbd0: Device being setup by another task
[ 588.367922][ T8025] FAULT_INJECTION: forcing a failure.
[ 588.367922][ T8025] name failslab, interval 1, probability 0, space 0, times 0
[ 588.380589][ T8025] CPU: 0 UID: 0 PID: 8025 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 588.380606][ T8025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 588.380615][ T8025] Call Trace:
[ 588.380619][ T8025]
[ 588.380624][ T8025] dump_stack_lvl+0x16c/0x1f0
[ 588.380642][ T8025] should_fail_ex+0x512/0x640
[ 588.380656][ T8025] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 588.380671][ T8025] should_failslab+0xc2/0x120
[ 588.380685][ T8025] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 588.380697][ T8025] ? __d_alloc+0x32/0xae0
[ 588.380715][ T8025] __d_alloc+0x32/0xae0
[ 588.380730][ T8025] d_alloc_parallel+0x111/0x1480
[ 588.380749][ T8025] ? mark_held_locks+0x49/0x80
[ 588.380769][ T8025] ? __lock_acquire+0x62e/0x1ce0
[ 588.380787][ T8025] ? __pfx_d_alloc_parallel+0x10/0x10
[ 588.380806][ T8025] ? lockdep_init_map_type+0x5c/0x280
[ 588.380822][ T8025] ? lockdep_init_map_type+0x5c/0x280
[ 588.380845][ T8025] __lookup_slow+0x193/0x460
[ 588.380874][ T8025] ? __pfx___lookup_slow+0x10/0x10
[ 588.380896][ T8025] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 588.380916][ T8025] ? pcpu_init_md_blocks+0x1e0/0x3a0
[ 588.380932][ T8025] ? d_lookup+0xe7/0x190
[ 588.380952][ T8025] lookup_noperm+0xe1/0x110
[ 588.380969][ T8025] simple_start_creating+0xd1/0x1b0
[ 588.380983][ T8025] start_creating.part.0+0x82/0x190
[ 588.380999][ T8025] __debugfs_create_file+0xa7/0x6b0
[ 588.381015][ T8025] debugfs_create_file_unsafe+0x3c/0x50
[ 588.381031][ T8025] debugfs_create_u64+0x70/0xa0
[ 588.381046][ T8025] nbd_start_device+0x46c/0xd70
[ 588.381061][ T8025] ? bpf_lsm_capable+0x9/0x10
[ 588.381081][ T8025] nbd_ioctl+0x219/0xda0
[ 588.381094][ T8025] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 588.381112][ T8025] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.381124][ T8025] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 588.381149][ T8025] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.381171][ T8025] blkdev_ioctl+0x274/0x6d0
[ 588.381220][ T8025] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.381237][ T8025] ? selinux_file_ioctl+0x180/0x270
[ 588.381252][ T8025] ? selinux_file_ioctl+0xb4/0x270
[ 588.381269][ T8025] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.381286][ T8025] __x64_sys_ioctl+0x18b/0x210
[ 588.381305][ T8025] do_syscall_64+0xcd/0x4c0
[ 588.381319][ T8025] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.381332][ T8025] RIP: 0033:0x7f3be221f569
[ 588.381342][ T8025] 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
[ 588.381354][ T8025] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 588.381365][ T8025] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 588.381373][ T8025] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 588.381380][ T8025] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 588.381388][ T8025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 588.381395][ T8025] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 588.381409][ T8025]
[ 588.786599][ T8025] block nbd0: shutting down sockets
[ 588.911585][ T8029] FAULT_INJECTION: forcing a failure.
[ 588.911585][ T8029] name failslab, interval 1, probability 0, space 0, times 0
[ 588.924308][ T8029] CPU: 1 UID: 0 PID: 8029 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 588.924333][ T8029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 588.924344][ T8029] Call Trace:
[ 588.924351][ T8029]
[ 588.924357][ T8029] dump_stack_lvl+0x16c/0x1f0
[ 588.924376][ T8029] should_fail_ex+0x512/0x640
[ 588.924390][ T8029] ? fs_reclaim_acquire+0xae/0x150
[ 588.924408][ T8029] should_failslab+0xc2/0x120
[ 588.924423][ T8029] __kvmalloc_node_noprof+0x137/0x620
[ 588.924435][ T8029] ? sbitmap_init_node+0x1ca/0x770
[ 588.924454][ T8029] ? sbitmap_init_node+0x1ca/0x770
[ 588.924469][ T8029] sbitmap_init_node+0x1ca/0x770
[ 588.924488][ T8029] sbitmap_queue_init_node+0x40/0x4a0
[ 588.924506][ T8029] blk_mq_init_tags+0x12d/0x2b0
[ 588.924521][ T8029] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 588.924539][ T8029] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 588.924559][ T8029] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 588.924578][ T8029] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 588.924590][ T8029] ? rcu_is_watching+0x12/0xc0
[ 588.924605][ T8029] ? trace_contention_end+0xdd/0x130
[ 588.924619][ T8029] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 588.924640][ T8029] ? __pfx_down_write+0x10/0x10
[ 588.924658][ T8029] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 588.924671][ T8029] nbd_start_device+0x1b0/0xd70
[ 588.924687][ T8029] ? bpf_lsm_capable+0x9/0x10
[ 588.924707][ T8029] nbd_ioctl+0x219/0xda0
[ 588.924720][ T8029] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 588.924738][ T8029] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.924750][ T8029] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 588.924774][ T8029] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.924787][ T8029] blkdev_ioctl+0x274/0x6d0
[ 588.924804][ T8029] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.924820][ T8029] ? selinux_file_ioctl+0x180/0x270
[ 588.924835][ T8029] ? selinux_file_ioctl+0xb4/0x270
[ 588.924852][ T8029] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.924869][ T8029] __x64_sys_ioctl+0x18b/0x210
[ 588.924887][ T8029] do_syscall_64+0xcd/0x4c0
[ 588.924901][ T8029] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.924914][ T8029] RIP: 0033:0x7f3be221f569
[ 588.924923][ T8029] 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
[ 588.924935][ T8029] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 588.924947][ T8029] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 588.924955][ T8029] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 588.924962][ T8029] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 588.924969][ T8029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 588.924977][ T8029] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 588.924992][ T8029]
[ 589.309424][ T8029] block nbd0: shutting down sockets
[ 589.401850][ T8031] FAULT_INJECTION: forcing a failure.
[ 589.401850][ T8031] name failslab, interval 1, probability 0, space 0, times 0
[ 589.414584][ T8031] CPU: 0 UID: 0 PID: 8031 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 589.414610][ T8031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 589.414620][ T8031] Call Trace:
[ 589.414626][ T8031]
[ 589.414634][ T8031] dump_stack_lvl+0x16c/0x1f0
[ 589.414661][ T8031] should_fail_ex+0x512/0x640
[ 589.414683][ T8031] ? fs_reclaim_acquire+0xae/0x150
[ 589.414711][ T8031] should_failslab+0xc2/0x120
[ 589.414733][ T8031] __kvmalloc_node_noprof+0x137/0x620
[ 589.414754][ T8031] ? sbitmap_init_node+0x1ca/0x770
[ 589.414787][ T8031] ? sbitmap_init_node+0x1ca/0x770
[ 589.414810][ T8031] sbitmap_init_node+0x1ca/0x770
[ 589.414841][ T8031] sbitmap_queue_init_node+0x40/0x4a0
[ 589.414873][ T8031] blk_mq_init_tags+0x12d/0x2b0
[ 589.414899][ T8031] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 589.414932][ T8031] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 589.414964][ T8031] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 589.414996][ T8031] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 589.415016][ T8031] ? rcu_is_watching+0x12/0xc0
[ 589.415040][ T8031] ? trace_contention_end+0xdd/0x130
[ 589.415064][ T8031] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 589.415102][ T8031] ? __pfx_down_write+0x10/0x10
[ 589.415144][ T8031] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 589.415166][ T8031] nbd_start_device+0x1b0/0xd70
[ 589.415192][ T8031] ? bpf_lsm_capable+0x9/0x10
[ 589.415225][ T8031] nbd_ioctl+0x219/0xda0
[ 589.415248][ T8031] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 589.415277][ T8031] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.415296][ T8031] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 589.415336][ T8031] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.415358][ T8031] blkdev_ioctl+0x274/0x6d0
[ 589.415384][ T8031] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.415408][ T8031] ? selinux_file_ioctl+0x180/0x270
[ 589.415431][ T8031] ? selinux_file_ioctl+0xb4/0x270
[ 589.415455][ T8031] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.415473][ T8031] __x64_sys_ioctl+0x18b/0x210
[ 589.415491][ T8031] do_syscall_64+0xcd/0x4c0
[ 589.415506][ T8031] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.415519][ T8031] RIP: 0033:0x7f3be221f569
[ 589.415530][ T8031] 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
[ 589.415542][ T8031] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 589.415553][ T8031] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 589.415561][ T8031] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 589.415568][ T8031] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 589.415576][ T8031] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 589.415583][ T8031] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 589.415598][ T8031]
[ 589.805025][ T8031] block nbd0: shutting down sockets
[ 590.052599][ T8033] block nbd0: shutting down sockets
[ 590.152307][ T8035] FAULT_INJECTION: forcing a failure.
[ 590.152307][ T8035] name failslab, interval 1, probability 0, space 0, times 0
[ 590.164960][ T8035] CPU: 0 UID: 0 PID: 8035 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 590.164977][ T8035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 590.164989][ T8035] Call Trace:
[ 590.164994][ T8035]
[ 590.164998][ T8035] dump_stack_lvl+0x16c/0x1f0
[ 590.165016][ T8035] should_fail_ex+0x512/0x640
[ 590.165030][ T8035] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 590.165045][ T8035] should_failslab+0xc2/0x120
[ 590.165058][ T8035] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 590.165071][ T8035] ? alloc_inode+0x64/0x240
[ 590.165090][ T8035] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 590.165103][ T8035] alloc_inode+0x64/0x240
[ 590.165119][ T8035] new_inode+0x22/0x1c0
[ 590.165136][ T8035] __debugfs_create_file+0x11c/0x6b0
[ 590.165153][ T8035] debugfs_create_file_unsafe+0x3c/0x50
[ 590.165168][ T8035] debugfs_create_u64+0x70/0xa0
[ 590.165183][ T8035] nbd_start_device+0x46c/0xd70
[ 590.165198][ T8035] ? bpf_lsm_capable+0x9/0x10
[ 590.165218][ T8035] nbd_ioctl+0x219/0xda0
[ 590.165232][ T8035] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 590.165252][ T8035] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.165264][ T8035] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 590.165292][ T8035] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.165305][ T8035] blkdev_ioctl+0x274/0x6d0
[ 590.165322][ T8035] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.165338][ T8035] ? selinux_file_ioctl+0x180/0x270
[ 590.165354][ T8035] ? selinux_file_ioctl+0xb4/0x270
[ 590.165371][ T8035] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.165388][ T8035] __x64_sys_ioctl+0x18b/0x210
[ 590.165406][ T8035] do_syscall_64+0xcd/0x4c0
[ 590.165421][ T8035] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.165433][ T8035] RIP: 0033:0x7f3be221f569
[ 590.165444][ T8035] 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
[ 590.165455][ T8035] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 590.165467][ T8035] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 590.165476][ T8035] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 590.165487][ T8035] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 590.165499][ T8035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 590.165511][ T8035] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 590.165538][ T8035]
[ 590.165547][ T8035] debugfs: out of free dentries, can not create file 'size_bytes'
[ 590.441476][ T8035] block nbd0: shutting down sockets
[ 590.531946][ T8037] FAULT_INJECTION: forcing a failure.
[ 590.531946][ T8037] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 590.545215][ T8037] CPU: 0 UID: 0 PID: 8037 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 590.545242][ T8037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 590.545252][ T8037] Call Trace:
[ 590.545257][ T8037]
[ 590.545262][ T8037] dump_stack_lvl+0x16c/0x1f0
[ 590.545280][ T8037] should_fail_ex+0x512/0x640
[ 590.545296][ T8037] should_fail_alloc_page+0xe7/0x130
[ 590.545312][ T8037] prepare_alloc_pages+0x3c2/0x610
[ 590.545330][ T8037] __alloc_frozen_pages_noprof+0x18b/0x23f0
[ 590.545343][ T8037] ? stack_trace_save+0x8e/0xc0
[ 590.545359][ T8037] ? __pfx_stack_trace_save+0x10/0x10
[ 590.545375][ T8037] ? stack_depot_save_flags+0x29/0x9c0
[ 590.545391][ T8037] ? kasan_save_stack+0x42/0x60
[ 590.545403][ T8037] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 590.545414][ T8037] ? kmem_cache_alloc_noprof+0x1cb/0x3b0
[ 590.545426][ T8037] ? inode_init_always_gfp+0xce4/0x1030
[ 590.545440][ T8037] ? new_inode+0x22/0x1c0
[ 590.545454][ T8037] ? __debugfs_create_file+0x11c/0x6b0
[ 590.545468][ T8037] ? debugfs_create_file_full+0x41/0x60
[ 590.545481][ T8037] ? nbd_start_device+0x451/0xd70
[ 590.545494][ T8037] ? nbd_ioctl+0x219/0xda0
[ 590.545506][ T8037] ? blkdev_ioctl+0x274/0x6d0
[ 590.545521][ T8037] ? look_up_lock_class+0x6b/0x150
[ 590.545539][ T8037] ? __lock_acquire+0xb97/0x1ce0
[ 590.545556][ T8037] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 590.545572][ T8037] ? policy_nodemask+0xea/0x4e0
[ 590.545587][ T8037] alloc_pages_mpol+0x1fb/0x550
[ 590.545601][ T8037] ? __pfx_alloc_pages_mpol+0x10/0x10
[ 590.545615][ T8037] ? find_held_lock+0x2b/0x80
[ 590.545631][ T8037] alloc_pages_noprof+0x131/0x390
[ 590.545645][ T8037] get_free_pages_noprof+0x10/0xb0
[ 590.545659][ T8037] inode_doinit_with_dentry+0x8d6/0x12e0
[ 590.545679][ T8037] ? __pfx_inode_doinit_with_dentry+0x10/0x10
[ 590.545696][ T8037] ? new_inode+0x15a/0x1c0
[ 590.545714][ T8037] selinux_d_instantiate+0x26/0x30
[ 590.545730][ T8037] security_d_instantiate+0x142/0x1a0
[ 590.545748][ T8037] d_instantiate+0x5c/0x90
[ 590.545764][ T8037] __debugfs_create_file+0x286/0x6b0
[ 590.545781][ T8037] debugfs_create_file_full+0x41/0x60
[ 590.545808][ T8037] nbd_start_device+0x451/0xd70
[ 590.545833][ T8037] ? bpf_lsm_capable+0x9/0x10
[ 590.545856][ T8037] nbd_ioctl+0x219/0xda0
[ 590.545870][ T8037] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 590.545887][ T8037] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.545899][ T8037] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 590.545924][ T8037] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.545940][ T8037] blkdev_ioctl+0x274/0x6d0
[ 590.545957][ T8037] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.545973][ T8037] ? selinux_file_ioctl+0x180/0x270
[ 590.545993][ T8037] ? selinux_file_ioctl+0xb4/0x270
[ 590.546010][ T8037] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.546027][ T8037] __x64_sys_ioctl+0x18b/0x210
[ 590.546045][ T8037] do_syscall_64+0xcd/0x4c0
[ 590.546060][ T8037] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.546073][ T8037] RIP: 0033:0x7f3be221f569
[ 590.546083][ 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
[ 590.546094][ T8037] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 590.546106][ T8037] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 590.546114][ T8037] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 590.546121][ T8037] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 590.546129][ T8037] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 590.546136][ T8037] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 590.546151][ T8037]
[ 590.941424][ T8037] block nbd0: shutting down sockets
[ 591.051492][ T8040] FAULT_INJECTION: forcing a failure.
[ 591.051492][ T8040] name failslab, interval 1, probability 0, space 0, times 0
[ 591.064180][ T8040] CPU: 0 UID: 0 PID: 8040 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 591.064205][ T8040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 591.064217][ T8040] Call Trace:
[ 591.064224][ T8040]
[ 591.064231][ T8040] dump_stack_lvl+0x16c/0x1f0
[ 591.064258][ T8040] should_fail_ex+0x512/0x640
[ 591.064279][ T8040] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 591.064305][ T8040] should_failslab+0xc2/0x120
[ 591.064320][ T8040] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 591.064333][ T8040] ? alloc_inode+0x64/0x240
[ 591.064352][ T8040] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 591.064365][ T8040] alloc_inode+0x64/0x240
[ 591.064382][ T8040] new_inode+0x22/0x1c0
[ 591.064399][ T8040] __debugfs_create_file+0x11c/0x6b0
[ 591.064415][ T8040] debugfs_create_file_unsafe+0x3c/0x50
[ 591.064431][ T8040] debugfs_create_u64+0x70/0xa0
[ 591.064446][ T8040] nbd_start_device+0x46c/0xd70
[ 591.064461][ T8040] ? bpf_lsm_capable+0x9/0x10
[ 591.064481][ T8040] nbd_ioctl+0x219/0xda0
[ 591.064494][ T8040] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.064511][ T8040] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.064523][ T8040] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.064548][ T8040] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.064561][ T8040] blkdev_ioctl+0x274/0x6d0
[ 591.064579][ T8040] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.064595][ T8040] ? selinux_file_ioctl+0x180/0x270
[ 591.064610][ T8040] ? selinux_file_ioctl+0xb4/0x270
[ 591.064626][ T8040] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.064644][ T8040] __x64_sys_ioctl+0x18b/0x210
[ 591.064662][ T8040] do_syscall_64+0xcd/0x4c0
[ 591.064677][ T8040] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.064689][ T8040] RIP: 0033:0x7f3be221f569
[ 591.064699][ T8040] 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
[ 591.064711][ T8040] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.064722][ T8040] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 591.064730][ T8040] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 591.064737][ T8040] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 591.064745][ T8040] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 591.064752][ T8040] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.064767][ T8040]
[ 591.064773][ T8040] debugfs: out of free dentries, can not create file 'size_bytes'
[ 591.351480][ T8040] block nbd0: shutting down sockets
[ 591.461506][ T8043] FAULT_INJECTION: forcing a failure.
[ 591.461506][ T8043] name failslab, interval 1, probability 0, space 0, times 0
[ 591.474236][ T8043] CPU: 0 UID: 0 PID: 8043 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 591.474252][ T8043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 591.474260][ T8043] Call Trace:
[ 591.474264][ T8043]
[ 591.474269][ T8043] dump_stack_lvl+0x16c/0x1f0
[ 591.474286][ T8043] should_fail_ex+0x512/0x640
[ 591.474299][ T8043] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 591.474314][ T8043] should_failslab+0xc2/0x120
[ 591.474327][ T8043] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 591.474340][ T8043] ? alloc_inode+0x64/0x240
[ 591.474358][ T8043] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 591.474372][ T8043] alloc_inode+0x64/0x240
[ 591.474388][ T8043] new_inode+0x22/0x1c0
[ 591.474405][ T8043] __debugfs_create_file+0x11c/0x6b0
[ 591.474421][ T8043] debugfs_create_file_unsafe+0x3c/0x50
[ 591.474437][ T8043] debugfs_create_u64+0x70/0xa0
[ 591.474451][ T8043] nbd_start_device+0x46c/0xd70
[ 591.474466][ T8043] ? bpf_lsm_capable+0x9/0x10
[ 591.474486][ T8043] nbd_ioctl+0x219/0xda0
[ 591.474499][ T8043] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.474517][ T8043] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.474529][ T8043] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.474553][ T8043] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.474566][ T8043] blkdev_ioctl+0x274/0x6d0
[ 591.474584][ T8043] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.474599][ T8043] ? selinux_file_ioctl+0x180/0x270
[ 591.474614][ T8043] ? selinux_file_ioctl+0xb4/0x270
[ 591.474631][ T8043] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.474649][ T8043] __x64_sys_ioctl+0x18b/0x210
[ 591.474667][ T8043] do_syscall_64+0xcd/0x4c0
[ 591.474681][ T8043] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.474693][ T8043] RIP: 0033:0x7f3be221f569
[ 591.474703][ 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
[ 591.474714][ T8043] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.474726][ T8043] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 591.474733][ T8043] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 591.474740][ T8043] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 591.474748][ T8043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 591.474755][ T8043] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.474769][ T8043]
[ 591.474774][ T8043] debugfs: out of free dentries, can not create file 'size_bytes'
[ 591.751590][ T8043] block nbd0: shutting down sockets
[ 591.861490][ T8046] FAULT_INJECTION: forcing a failure.
[ 591.861490][ T8046] name failslab, interval 1, probability 0, space 0, times 0
[ 591.874184][ T8046] CPU: 0 UID: 0 PID: 8046 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 591.874202][ T8046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 591.874210][ T8046] Call Trace:
[ 591.874215][ T8046]
[ 591.874219][ T8046] dump_stack_lvl+0x16c/0x1f0
[ 591.874237][ T8046] should_fail_ex+0x512/0x640
[ 591.874250][ T8046] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 591.874265][ T8046] should_failslab+0xc2/0x120
[ 591.874279][ T8046] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 591.874291][ T8046] ? alloc_inode+0x64/0x240
[ 591.874310][ T8046] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 591.874323][ T8046] alloc_inode+0x64/0x240
[ 591.874339][ T8046] new_inode+0x22/0x1c0
[ 591.874356][ T8046] __debugfs_create_file+0x11c/0x6b0
[ 591.874372][ T8046] debugfs_create_file_unsafe+0x3c/0x50
[ 591.874388][ T8046] debugfs_create_u64+0x70/0xa0
[ 591.874403][ T8046] nbd_start_device+0x46c/0xd70
[ 591.874418][ T8046] ? bpf_lsm_capable+0x9/0x10
[ 591.874437][ T8046] nbd_ioctl+0x219/0xda0
[ 591.874450][ T8046] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.874468][ T8046] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.874480][ T8046] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.874504][ T8046] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.874517][ T8046] blkdev_ioctl+0x274/0x6d0
[ 591.874535][ T8046] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.874551][ T8046] ? selinux_file_ioctl+0x180/0x270
[ 591.874566][ T8046] ? selinux_file_ioctl+0xb4/0x270
[ 591.874583][ T8046] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.874600][ T8046] __x64_sys_ioctl+0x18b/0x210
[ 591.874618][ T8046] do_syscall_64+0xcd/0x4c0
[ 591.874632][ T8046] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.874644][ T8046] RIP: 0033:0x7f3be221f569
[ 591.874655][ T8046] 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
[ 591.874666][ T8046] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.874677][ T8046] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 591.874685][ T8046] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 591.874692][ T8046] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 591.874700][ T8046] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 591.874707][ T8046] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.874723][ T8046]
[ 591.874728][ T8046] debugfs: out of free dentries, can not create file 'size_bytes'
[ 592.151502][ T8046] block nbd0: shutting down sockets
[ 592.271825][ T8049] FAULT_INJECTION: forcing a failure.
[ 592.271825][ T8049] name failslab, interval 1, probability 0, space 0, times 0
[ 592.284513][ T8049] CPU: 0 UID: 0 PID: 8049 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 592.284531][ T8049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 592.284539][ T8049] Call Trace:
[ 592.284543][ T8049]
[ 592.284548][ T8049] dump_stack_lvl+0x16c/0x1f0
[ 592.284566][ T8049] should_fail_ex+0x512/0x640
[ 592.284580][ T8049] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 592.284595][ T8049] should_failslab+0xc2/0x120
[ 592.284609][ T8049] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 592.284621][ T8049] ? alloc_inode+0x64/0x240
[ 592.284640][ T8049] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 592.284653][ T8049] alloc_inode+0x64/0x240
[ 592.284669][ T8049] new_inode+0x22/0x1c0
[ 592.284687][ T8049] __debugfs_create_file+0x11c/0x6b0
[ 592.284702][ T8049] debugfs_create_file_unsafe+0x3c/0x50
[ 592.284718][ T8049] debugfs_create_u64+0x70/0xa0
[ 592.284733][ T8049] nbd_start_device+0x46c/0xd70
[ 592.284749][ T8049] ? bpf_lsm_capable+0x9/0x10
[ 592.284768][ T8049] nbd_ioctl+0x219/0xda0
[ 592.284782][ T8049] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 592.284801][ T8049] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.284813][ T8049] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 592.284837][ T8049] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.284850][ T8049] blkdev_ioctl+0x274/0x6d0
[ 592.284868][ T8049] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.284884][ T8049] ? selinux_file_ioctl+0x180/0x270
[ 592.284900][ T8049] ? selinux_file_ioctl+0xb4/0x270
[ 592.284917][ T8049] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.284934][ T8049] __x64_sys_ioctl+0x18b/0x210
[ 592.284951][ T8049] do_syscall_64+0xcd/0x4c0
[ 592.284966][ T8049] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.284978][ T8049] RIP: 0033:0x7f3be221f569
[ 592.284988][ T8049] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 592.285000][ T8049] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 592.285012][ T8049] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 592.285020][ T8049] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 592.285027][ T8049] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 592.285039][ T8049] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 592.285046][ T8049] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 592.285061][ T8049]
[ 592.285067][ T8049] debugfs: out of free dentries, can not create file 'size_bytes'
[ 592.561482][ T8049] block nbd0: shutting down sockets
[ 592.691243][ T8052] block nbd0: Device being setup by another task
[ 592.840162][ T8051] block nbd0: shutting down sockets
[ 592.951455][ T8055] FAULT_INJECTION: forcing a failure.
[ 592.951455][ T8055] name failslab, interval 1, probability 0, space 0, times 0
[ 592.964131][ T8055] CPU: 1 UID: 0 PID: 8055 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 592.964156][ T8055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 592.964169][ T8055] Call Trace:
[ 592.964176][ T8055]
[ 592.964181][ T8055] dump_stack_lvl+0x16c/0x1f0
[ 592.964198][ T8055] should_fail_ex+0x512/0x640
[ 592.964212][ T8055] ? fs_reclaim_acquire+0xae/0x150
[ 592.964229][ T8055] should_failslab+0xc2/0x120
[ 592.964243][ T8055] __kvmalloc_node_noprof+0x137/0x620
[ 592.964256][ T8055] ? sbitmap_init_node+0x1ca/0x770
[ 592.964275][ T8055] ? sbitmap_init_node+0x1ca/0x770
[ 592.964290][ T8055] sbitmap_init_node+0x1ca/0x770
[ 592.964308][ T8055] sbitmap_queue_init_node+0x40/0x4a0
[ 592.964327][ T8055] blk_mq_init_tags+0x12d/0x2b0
[ 592.964342][ T8055] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 592.964360][ T8055] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 592.964379][ T8055] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 592.964398][ T8055] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 592.964410][ T8055] ? rcu_is_watching+0x12/0xc0
[ 592.964425][ T8055] ? trace_contention_end+0xdd/0x130
[ 592.964439][ T8055] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 592.964460][ T8055] ? __pfx_down_write+0x10/0x10
[ 592.964479][ T8055] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 592.964492][ T8055] nbd_start_device+0x1b0/0xd70
[ 592.964507][ T8055] ? bpf_lsm_capable+0x9/0x10
[ 592.964527][ T8055] nbd_ioctl+0x219/0xda0
[ 592.964540][ T8055] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 592.964558][ T8055] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.964569][ T8055] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 592.964594][ T8055] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.964607][ T8055] blkdev_ioctl+0x274/0x6d0
[ 592.964623][ T8055] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.964639][ T8055] ? selinux_file_ioctl+0x180/0x270
[ 592.964654][ T8055] ? selinux_file_ioctl+0xb4/0x270
[ 592.964671][ T8055] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.964688][ T8055] __x64_sys_ioctl+0x18b/0x210
[ 592.964706][ T8055] do_syscall_64+0xcd/0x4c0
[ 592.964721][ T8055] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.964734][ T8055] RIP: 0033:0x7f3be221f569
[ 592.964745][ T8055] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 592.964757][ T8055] RSP: 002b:00007f3be21b4208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 592.964768][ T8055] RAX: ffffffffffffffda RBX: 00007f3be22a6418 RCX: 00007f3be221f569
[ 592.964776][ T8055] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 592.964783][ T8055] RBP: 00007f3be22a6410 R08: 00007f3be21b3fa6 R09: 0000000000003331
[ 592.964791][ T8055] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 592.964798][ T8055] R13: 00007f3be21b4210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 592.964813][ T8055]
[ 593.356685][ T8055] block nbd0: shutting down sockets
[ 593.441976][ T8057] FAULT_INJECTION: forcing a failure.
[ 593.441976][ T8057] name failslab, interval 1, probability 0, space 0, times 0
[ 593.454607][ T8057] CPU: 0 UID: 0 PID: 8057 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 593.454632][ T8057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 593.454644][ T8057] Call Trace:
[ 593.454650][ T8057]
[ 593.454655][ T8057] dump_stack_lvl+0x16c/0x1f0
[ 593.454673][ T8057] should_fail_ex+0x512/0x640
[ 593.454689][ T8057] ? fs_reclaim_acquire+0xae/0x150
[ 593.454706][ T8057] should_failslab+0xc2/0x120
[ 593.454720][ T8057] __kvmalloc_node_noprof+0x137/0x620
[ 593.454733][ T8057] ? sbitmap_init_node+0x1ca/0x770
[ 593.454752][ T8057] ? sbitmap_init_node+0x1ca/0x770
[ 593.454767][ T8057] sbitmap_init_node+0x1ca/0x770
[ 593.454785][ T8057] sbitmap_queue_init_node+0x40/0x4a0
[ 593.454815][ T8057] blk_mq_init_tags+0x12d/0x2b0
[ 593.454842][ T8057] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 593.454867][ T8057] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 593.454886][ T8057] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 593.454905][ T8057] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 593.454917][ T8057] ? rcu_is_watching+0x12/0xc0
[ 593.454937][ T8057] ? trace_contention_end+0xdd/0x130
[ 593.454951][ T8057] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 593.454971][ T8057] ? __pfx_down_write+0x10/0x10
[ 593.454990][ T8057] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 593.455002][ T8057] nbd_start_device+0x1b0/0xd70
[ 593.455018][ T8057] ? bpf_lsm_capable+0x9/0x10
[ 593.455038][ T8057] nbd_ioctl+0x219/0xda0
[ 593.455051][ T8057] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 593.455069][ T8057] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.455080][ T8057] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 593.455105][ T8057] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.455119][ T8057] blkdev_ioctl+0x274/0x6d0
[ 593.455135][ T8057] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.455151][ T8057] ? selinux_file_ioctl+0x180/0x270
[ 593.455166][ T8057] ? selinux_file_ioctl+0xb4/0x270
[ 593.455183][ T8057] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.455200][ T8057] __x64_sys_ioctl+0x18b/0x210
[ 593.455218][ T8057] do_syscall_64+0xcd/0x4c0
[ 593.455233][ T8057] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.455246][ T8057] RIP: 0033:0x7f3be221f569
[ 593.455256][ T8057] 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
[ 593.455267][ T8057] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 593.455279][ T8057] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 593.455287][ T8057] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 593.455294][ T8057] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 593.455301][ T8057] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 593.455308][ T8057] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 593.455323][ T8057]
[ 593.771445][ T8057] block nbd0: shutting down sockets
[ 593.872014][ T8059] FAULT_INJECTION: forcing a failure.
[ 593.872014][ T8059] name failslab, interval 1, probability 0, space 0, times 0
[ 593.884728][ T8059] CPU: 1 UID: 0 PID: 8059 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 593.884749][ T8059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 593.884758][ T8059] Call Trace:
[ 593.884763][ T8059]
[ 593.884768][ T8059] dump_stack_lvl+0x16c/0x1f0
[ 593.884785][ T8059] should_fail_ex+0x512/0x640
[ 593.884799][ T8059] ? fs_reclaim_acquire+0xae/0x150
[ 593.884816][ T8059] should_failslab+0xc2/0x120
[ 593.884830][ T8059] __kvmalloc_node_noprof+0x137/0x620
[ 593.884843][ T8059] ? sbitmap_init_node+0x1ca/0x770
[ 593.884863][ T8059] ? sbitmap_init_node+0x1ca/0x770
[ 593.884878][ T8059] sbitmap_init_node+0x1ca/0x770
[ 593.884897][ T8059] sbitmap_queue_init_node+0x40/0x4a0
[ 593.884915][ T8059] blk_mq_init_tags+0x12d/0x2b0
[ 593.884931][ T8059] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 593.884949][ T8059] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 593.884968][ T8059] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 593.884987][ T8059] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 593.884999][ T8059] ? rcu_is_watching+0x12/0xc0
[ 593.885014][ T8059] ? trace_contention_end+0xdd/0x130
[ 593.885028][ T8059] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 593.885048][ T8059] ? __pfx_down_write+0x10/0x10
[ 593.885066][ T8059] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 593.885079][ T8059] nbd_start_device+0x1b0/0xd70
[ 593.885095][ T8059] ? bpf_lsm_capable+0x9/0x10
[ 593.885115][ T8059] nbd_ioctl+0x219/0xda0
[ 593.885128][ T8059] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 593.885146][ T8059] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.885157][ T8059] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 593.885182][ T8059] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.885195][ T8059] blkdev_ioctl+0x274/0x6d0
[ 593.885211][ T8059] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.885227][ T8059] ? selinux_file_ioctl+0x180/0x270
[ 593.885242][ T8059] ? selinux_file_ioctl+0xb4/0x270
[ 593.885259][ T8059] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.885276][ T8059] __x64_sys_ioctl+0x18b/0x210
[ 593.885294][ T8059] do_syscall_64+0xcd/0x4c0
[ 593.885309][ T8059] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.885322][ T8059] RIP: 0033:0x7f3be221f569
[ 593.885332][ T8059] 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
[ 593.885343][ T8059] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 593.885355][ T8059] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 593.885363][ T8059] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 593.885370][ T8059] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 593.885377][ T8059] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 593.885384][ T8059] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 593.885399][ T8059]
[ 594.275659][ T8059] block nbd0: shutting down sockets
[ 594.361948][ T8061] FAULT_INJECTION: forcing a failure.
[ 594.361948][ T8061] name failslab, interval 1, probability 0, space 0, times 0
[ 594.374598][ T8061] CPU: 0 UID: 0 PID: 8061 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 594.374618][ T8061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 594.374625][ T8061] Call Trace:
[ 594.374630][ T8061]
[ 594.374635][ T8061] dump_stack_lvl+0x16c/0x1f0
[ 594.374653][ T8061] should_fail_ex+0x512/0x640
[ 594.374668][ T8061] ? fs_reclaim_acquire+0xae/0x150
[ 594.374685][ T8061] should_failslab+0xc2/0x120
[ 594.374699][ T8061] __kvmalloc_node_noprof+0x137/0x620
[ 594.374712][ T8061] ? sbitmap_init_node+0x1ca/0x770
[ 594.374731][ T8061] ? sbitmap_init_node+0x1ca/0x770
[ 594.374750][ T8061] sbitmap_init_node+0x1ca/0x770
[ 594.374769][ T8061] sbitmap_queue_init_node+0x40/0x4a0
[ 594.374787][ T8061] blk_mq_init_tags+0x12d/0x2b0
[ 594.374804][ T8061] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 594.374825][ T8061] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 594.374848][ T8061] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 594.374867][ T8061] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 594.374878][ T8061] ? rcu_is_watching+0x12/0xc0
[ 594.374893][ T8061] ? trace_contention_end+0xdd/0x130
[ 594.374907][ T8061] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 594.374927][ T8061] ? __pfx_down_write+0x10/0x10
[ 594.374946][ T8061] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 594.374959][ T8061] nbd_start_device+0x1b0/0xd70
[ 594.374975][ T8061] ? bpf_lsm_capable+0x9/0x10
[ 594.374995][ T8061] nbd_ioctl+0x219/0xda0
[ 594.375008][ T8061] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 594.375026][ T8061] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.375038][ T8061] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 594.375062][ T8061] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.375076][ T8061] blkdev_ioctl+0x274/0x6d0
[ 594.375092][ T8061] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.375108][ T8061] ? selinux_file_ioctl+0x180/0x270
[ 594.375123][ T8061] ? selinux_file_ioctl+0xb4/0x270
[ 594.375140][ T8061] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.375157][ T8061] __x64_sys_ioctl+0x18b/0x210
[ 594.375175][ T8061] do_syscall_64+0xcd/0x4c0
[ 594.375189][ T8061] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.375202][ T8061] RIP: 0033:0x7f3be221f569
[ 594.375213][ T8061] 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
[ 594.375224][ T8061] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 594.375236][ T8061] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 594.375244][ T8061] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 594.375251][ T8061] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 594.375258][ T8061] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 594.375265][ T8061] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 594.375280][ T8061]
[ 594.764755][ T8061] block nbd0: shutting down sockets
[ 594.872178][ T8063] FAULT_INJECTION: forcing a failure.
[ 594.872178][ T8063] name failslab, interval 1, probability 0, space 0, times 0
[ 594.884910][ T8063] CPU: 1 UID: 0 PID: 8063 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 594.884935][ T8063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 594.884948][ T8063] Call Trace:
[ 594.884955][ T8063]
[ 594.884962][ T8063] dump_stack_lvl+0x16c/0x1f0
[ 594.884991][ T8063] should_fail_ex+0x512/0x640
[ 594.885013][ T8063] ? fs_reclaim_acquire+0xae/0x150
[ 594.885041][ T8063] should_failslab+0xc2/0x120
[ 594.885063][ T8063] __kvmalloc_node_noprof+0x137/0x620
[ 594.885085][ T8063] ? sbitmap_init_node+0x1ca/0x770
[ 594.885117][ T8063] ? sbitmap_init_node+0x1ca/0x770
[ 594.885141][ T8063] sbitmap_init_node+0x1ca/0x770
[ 594.885173][ T8063] sbitmap_queue_init_node+0x40/0x4a0
[ 594.885205][ T8063] blk_mq_init_tags+0x12d/0x2b0
[ 594.885232][ T8063] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 594.885264][ T8063] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 594.885296][ T8063] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 594.885328][ T8063] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 594.885348][ T8063] ? rcu_is_watching+0x12/0xc0
[ 594.885371][ T8063] ? trace_contention_end+0xdd/0x130
[ 594.885396][ T8063] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 594.885433][ T8063] ? __pfx_down_write+0x10/0x10
[ 594.885464][ T8063] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 594.885486][ T8063] nbd_start_device+0x1b0/0xd70
[ 594.885511][ T8063] ? bpf_lsm_capable+0x9/0x10
[ 594.885556][ T8063] nbd_ioctl+0x219/0xda0
[ 594.885579][ T8063] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 594.885608][ T8063] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.885627][ T8063] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 594.885665][ T8063] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.885687][ T8063] blkdev_ioctl+0x274/0x6d0
[ 594.885707][ T8063] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.885723][ T8063] ? selinux_file_ioctl+0x180/0x270
[ 594.885738][ T8063] ? selinux_file_ioctl+0xb4/0x270
[ 594.885755][ T8063] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.885772][ T8063] __x64_sys_ioctl+0x18b/0x210
[ 594.885792][ T8063] do_syscall_64+0xcd/0x4c0
[ 594.885807][ T8063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.885819][ T8063] RIP: 0033:0x7f3be221f569
[ 594.885830][ T8063] 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
[ 594.885841][ T8063] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 594.885853][ T8063] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 594.885861][ T8063] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 594.885868][ T8063] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 594.885875][ T8063] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 594.885882][ T8063] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 594.885898][ T8063]
[ 595.191432][ T8063] block nbd0: shutting down sockets
[ 595.311233][ T8066] block nbd0: Device being setup by another task
[ 595.317847][ T8065] FAULT_INJECTION: forcing a failure.
[ 595.317847][ T8065] name failslab, interval 1, probability 0, space 0, times 0
[ 595.330603][ T8065] CPU: 0 UID: 0 PID: 8065 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 595.330627][ T8065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 595.330639][ T8065] Call Trace:
[ 595.330646][ T8065]
[ 595.330654][ T8065] dump_stack_lvl+0x16c/0x1f0
[ 595.330681][ T8065] should_fail_ex+0x512/0x640
[ 595.330702][ T8065] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 595.330727][ T8065] should_failslab+0xc2/0x120
[ 595.330760][ T8065] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 595.330782][ T8065] ? alloc_inode+0x64/0x240
[ 595.330812][ T8065] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 595.330834][ T8065] alloc_inode+0x64/0x240
[ 595.330861][ T8065] new_inode+0x22/0x1c0
[ 595.330890][ T8065] __debugfs_create_file+0x11c/0x6b0
[ 595.330917][ T8065] debugfs_create_file_unsafe+0x3c/0x50
[ 595.330944][ T8065] debugfs_create_u64+0x70/0xa0
[ 595.330969][ T8065] nbd_start_device+0x46c/0xd70
[ 595.330993][ T8065] ? bpf_lsm_capable+0x9/0x10
[ 595.331026][ T8065] nbd_ioctl+0x219/0xda0
[ 595.331048][ T8065] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 595.331077][ T8065] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.331097][ T8065] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 595.331137][ T8065] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.331164][ T8065] blkdev_ioctl+0x274/0x6d0
[ 595.331192][ T8065] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.331218][ T8065] ? selinux_file_ioctl+0x180/0x270
[ 595.331242][ T8065] ? selinux_file_ioctl+0xb4/0x270
[ 595.331270][ T8065] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.331299][ T8065] __x64_sys_ioctl+0x18b/0x210
[ 595.331329][ T8065] do_syscall_64+0xcd/0x4c0
[ 595.331354][ T8065] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.331374][ T8065] RIP: 0033:0x7f3be221f569
[ 595.331391][ T8065] 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
[ 595.331408][ T8065] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 595.331427][ T8065] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 595.331439][ T8065] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 595.331446][ T8065] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 595.331454][ T8065] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 595.331461][ T8065] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 595.331477][ T8065]
[ 595.566605][ T8065] debugfs: out of free dentries, can not create file 'size_bytes'
[ 595.683888][ T8065] block nbd0: shutting down sockets
[ 595.761870][ T8068] FAULT_INJECTION: forcing a failure.
[ 595.761870][ T8068] name failslab, interval 1, probability 0, space 0, times 0
[ 595.774618][ T8068] CPU: 0 UID: 0 PID: 8068 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 595.774635][ T8068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 595.774643][ T8068] Call Trace:
[ 595.774648][ T8068]
[ 595.774652][ T8068] dump_stack_lvl+0x16c/0x1f0
[ 595.774670][ T8068] should_fail_ex+0x512/0x640
[ 595.774689][ T8068] ? fs_reclaim_acquire+0xae/0x150
[ 595.774706][ T8068] should_failslab+0xc2/0x120
[ 595.774720][ T8068] __kvmalloc_node_noprof+0x137/0x620
[ 595.774733][ T8068] ? sbitmap_init_node+0x1ca/0x770
[ 595.774752][ T8068] ? sbitmap_init_node+0x1ca/0x770
[ 595.774767][ T8068] sbitmap_init_node+0x1ca/0x770
[ 595.774786][ T8068] sbitmap_queue_init_node+0x40/0x4a0
[ 595.774804][ T8068] blk_mq_init_tags+0x12d/0x2b0
[ 595.774820][ T8068] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 595.774838][ T8068] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 595.774857][ T8068] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 595.774876][ T8068] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 595.774888][ T8068] ? rcu_is_watching+0x12/0xc0
[ 595.774903][ T8068] ? trace_contention_end+0xdd/0x130
[ 595.774917][ T8068] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 595.774937][ T8068] ? __pfx_down_write+0x10/0x10
[ 595.774955][ T8068] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 595.774968][ T8068] nbd_start_device+0x1b0/0xd70
[ 595.774983][ T8068] ? bpf_lsm_capable+0x9/0x10
[ 595.775003][ T8068] nbd_ioctl+0x219/0xda0
[ 595.775016][ T8068] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 595.775034][ T8068] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.775046][ T8068] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 595.775070][ T8068] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.775084][ T8068] blkdev_ioctl+0x274/0x6d0
[ 595.775100][ T8068] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.775116][ T8068] ? selinux_file_ioctl+0x180/0x270
[ 595.775131][ T8068] ? selinux_file_ioctl+0xb4/0x270
[ 595.775148][ T8068] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.775165][ T8068] __x64_sys_ioctl+0x18b/0x210
[ 595.775183][ T8068] do_syscall_64+0xcd/0x4c0
[ 595.775197][ T8068] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.775210][ T8068] RIP: 0033:0x7f3be221f569
[ 595.775220][ T8068] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 595.775231][ T8068] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 595.775243][ T8068] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 595.775251][ T8068] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 595.775258][ T8068] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 595.775265][ T8068] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 595.775272][ T8068] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 595.775287][ T8068]
[ 596.081446][ T8068] block nbd0: shutting down sockets
[ 596.182496][ T8070] FAULT_INJECTION: forcing a failure.
[ 596.182496][ T8070] name failslab, interval 1, probability 0, space 0, times 0
[ 596.195157][ T8070] CPU: 1 UID: 0 PID: 8070 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 596.195183][ T8070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 596.195193][ T8070] Call Trace:
[ 596.195198][ T8070]
[ 596.195203][ T8070] dump_stack_lvl+0x16c/0x1f0
[ 596.195221][ T8070] should_fail_ex+0x512/0x640
[ 596.195234][ T8070] ? fs_reclaim_acquire+0xae/0x150
[ 596.195252][ T8070] should_failslab+0xc2/0x120
[ 596.195265][ T8070] __kvmalloc_node_noprof+0x137/0x620
[ 596.195277][ T8070] ? sbitmap_init_node+0x1ca/0x770
[ 596.195298][ T8070] ? sbitmap_init_node+0x1ca/0x770
[ 596.195312][ T8070] sbitmap_init_node+0x1ca/0x770
[ 596.195331][ T8070] sbitmap_queue_init_node+0x40/0x4a0
[ 596.195355][ T8070] blk_mq_init_tags+0x12d/0x2b0
[ 596.195371][ T8070] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 596.195389][ T8070] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 596.195408][ T8070] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 596.195427][ T8070] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 596.195439][ T8070] ? rcu_is_watching+0x12/0xc0
[ 596.195456][ T8070] ? trace_contention_end+0xdd/0x130
[ 596.195479][ T8070] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 596.195515][ T8070] ? __pfx_down_write+0x10/0x10
[ 596.195535][ T8070] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 596.195548][ T8070] nbd_start_device+0x1b0/0xd70
[ 596.195564][ T8070] ? bpf_lsm_capable+0x9/0x10
[ 596.195583][ T8070] nbd_ioctl+0x219/0xda0
[ 596.195599][ T8070] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 596.195617][ T8070] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.195629][ T8070] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 596.195653][ T8070] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.195666][ T8070] blkdev_ioctl+0x274/0x6d0
[ 596.195682][ T8070] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.195698][ T8070] ? selinux_file_ioctl+0x180/0x270
[ 596.195713][ T8070] ? selinux_file_ioctl+0xb4/0x270
[ 596.195730][ T8070] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.195748][ T8070] __x64_sys_ioctl+0x18b/0x210
[ 596.195766][ T8070] do_syscall_64+0xcd/0x4c0
[ 596.195780][ T8070] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.195792][ T8070] RIP: 0033:0x7f3be221f569
[ 596.195802][ T8070] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 596.195814][ T8070] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 596.195825][ T8070] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 596.195833][ T8070] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 596.195840][ T8070] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 596.195848][ T8070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 596.195855][ T8070] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 596.195870][ T8070]
[ 596.501487][ T8070] block nbd0: shutting down sockets
[ 596.601899][ T8072] FAULT_INJECTION: forcing a failure.
[ 596.601899][ T8072] name failslab, interval 1, probability 0, space 0, times 0
[ 596.614576][ T8072] CPU: 0 UID: 0 PID: 8072 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 596.614606][ T8072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 596.614613][ T8072] Call Trace:
[ 596.614619][ T8072]
[ 596.614623][ T8072] dump_stack_lvl+0x16c/0x1f0
[ 596.614641][ T8072] should_fail_ex+0x512/0x640
[ 596.614655][ T8072] ? fs_reclaim_acquire+0xae/0x150
[ 596.614673][ T8072] should_failslab+0xc2/0x120
[ 596.614687][ T8072] __kvmalloc_node_noprof+0x137/0x620
[ 596.614700][ T8072] ? sbitmap_init_node+0x1ca/0x770
[ 596.614724][ T8072] ? sbitmap_init_node+0x1ca/0x770
[ 596.614749][ T8072] sbitmap_init_node+0x1ca/0x770
[ 596.614781][ T8072] sbitmap_queue_init_node+0x40/0x4a0
[ 596.614802][ T8072] blk_mq_init_tags+0x12d/0x2b0
[ 596.614817][ T8072] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 596.614835][ T8072] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 596.614854][ T8072] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 596.614873][ T8072] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 596.614885][ T8072] ? rcu_is_watching+0x12/0xc0
[ 596.614900][ T8072] ? trace_contention_end+0xdd/0x130
[ 596.614914][ T8072] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 596.614935][ T8072] ? __pfx_down_write+0x10/0x10
[ 596.614953][ T8072] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 596.614965][ T8072] nbd_start_device+0x1b0/0xd70
[ 596.614981][ T8072] ? bpf_lsm_capable+0x9/0x10
[ 596.615001][ T8072] nbd_ioctl+0x219/0xda0
[ 596.615014][ T8072] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 596.615032][ T8072] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.615044][ T8072] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 596.615068][ T8072] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.615081][ T8072] blkdev_ioctl+0x274/0x6d0
[ 596.615098][ T8072] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.615114][ T8072] ? selinux_file_ioctl+0x180/0x270
[ 596.615129][ T8072] ? selinux_file_ioctl+0xb4/0x270
[ 596.615146][ T8072] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.615163][ T8072] __x64_sys_ioctl+0x18b/0x210
[ 596.615181][ T8072] do_syscall_64+0xcd/0x4c0
[ 596.615195][ T8072] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.615208][ T8072] RIP: 0033:0x7f3be221f569
[ 596.615219][ T8072] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 596.615230][ T8072] RSP: 002b:00007f3be21d5208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 596.615242][ T8072] RAX: ffffffffffffffda RBX: 00007f3be22a6408 RCX: 00007f3be221f569
[ 596.615250][ T8072] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 596.615257][ T8072] RBP: 00007f3be22a6400 R08: 00007f3be21d4fa6 R09: 0000000000003331
[ 596.615264][ T8072] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3be2273194
[ 596.615271][ T8072] R13: 00007f3be21d5210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 596.615286][ T8072]
[ 596.921483][ T8072] block nbd0: shutting down sockets
[ 597.021827][ T8074] FAULT_INJECTION: forcing a failure.
[ 597.021827][ T8074] name failslab, interval 1, probability 0, space 0, times 0
[ 597.034550][ T8074] CPU: 1 UID: 0 PID: 8074 Comm: syz-executor321 Not tainted syzkaller #0 PREEMPT(full)
[ 597.034578][ T8074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 597.034588][ T8074] Call Trace:
[ 597.034594][ T8074]
[ 597.034599][ T8074] dump_stack_lvl+0x16c/0x1f0
[ 597.034616][ T8074] should_fail_ex+0x512/0x640
[ 597.034630][ T8074] ? fs_reclaim_acquire+0xae/0x150
[ 597.034647][ T8074] should_failslab+0xc2/0x120
[ 597.034661][ T8074] __kvmalloc_node_noprof+0x137/0x620
[ 597.034674][ T8074] ? sbitmap_init_node+0x1ca/0x770
[ 597.034693][ T8074] ? sbitmap_init_node+0x1ca/0x770
[ 597.034708][ T8074] sbitmap_init_node+0x1ca/0x770
[ 597.034726][ T8074] sbitmap_queue_init_node+0x40/0x4a0
[ 597.034745][ T8074] blk_mq_init_tags+0x12d/0x2b0
[ 597.034761][ T8074] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 597.034778][ T8074] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 597.034797][ T8074] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 597.034816][ T8074] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 597.034828][ T8074] ? rcu_is_watching+0x12/0xc0
[ 597.034843][ T8074] ? trace_contention_end+0xdd/0x130
[ 597.034856][ T8074] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 597.034877][ T8074] ? __pfx_down_write+0x10/0x10
[ 597.034895][ T8074] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 597.034908][ T8074] nbd_start_device+0x1b0/0xd70
[ 597.034923][ T8074] ? bpf_lsm_capable+0x9/0x10
[ 597.034943][ T8074] nbd_ioctl+0x219/0xda0
[ 597.034956][ T8074] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 597.034974][ T8074] ? __pfx_nbd_ioctl+0x10/0x10
[ 597.034985][ T8074] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 597.035009][ T8074] ? __pfx_nbd_ioctl+0x10/0x10
[ 597.035023][ T8074] blkdev_ioctl+0x274/0x6d0
[ 597.035039][ T8074] ? __pfx_blkdev_ioctl+0x10/0x10
[ 597.035055][ T8074] ? selinux_file_ioctl+0x180/0x270
[ 597.035070][ T8074] ? selinux_file_ioctl+0xb4/0x270