? __pfx_nbd_ioctl+0x10/0x10
[ 568.515177][ T7676] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 568.515220][ T7676] ? __pfx_nbd_ioctl+0x10/0x10
[ 568.515245][ T7676] blkdev_ioctl+0x274/0x6d0
[ 568.515266][ T7676] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.515284][ T7676] ? selinux_file_ioctl+0x180/0x270
[ 568.515309][ T7676] ? selinux_file_ioctl+0xb4/0x270
[ 568.515337][ T7676] ? __pfx_blkdev_ioctl+0x10/0x10
[ 568.515359][ T7676] __x64_sys_ioctl+0x18e/0x210
[ 568.515389][ T7676] do_syscall_64+0xcd/0x4e0
[ 568.515415][ T7676] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 568.515433][ T7676] RIP: 0033:0x7ff32d116569
[ 568.515449][ T7676] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 568.515468][ T7676] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 568.515486][ T7676] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 568.515499][ T7676] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 568.515510][ T7676] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 568.515523][ T7676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 568.515534][ T7676] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 568.515559][ T7676]
[ 568.901048][ T7676] block nbd0: shutting down sockets
[ 569.012041][ T7678] FAULT_INJECTION: forcing a failure.
[ 569.012041][ T7678] name failslab, interval 1, probability 0, space 0, times 0
[ 569.024722][ T7678] CPU: 1 UID: 0 PID: 7678 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 569.024743][ T7678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 569.024751][ T7678] Call Trace:
[ 569.024756][ T7678]
[ 569.024761][ T7678] dump_stack_lvl+0x16c/0x1f0
[ 569.024779][ T7678] should_fail_ex+0x512/0x640
[ 569.024793][ T7678] ? fs_reclaim_acquire+0xae/0x150
[ 569.024822][ T7678] should_failslab+0xc2/0x120
[ 569.024835][ T7678] __kvmalloc_node_noprof+0x137/0x620
[ 569.024848][ T7678] ? sbitmap_init_node+0x1ca/0x770
[ 569.024861][ T7678] ? sbitmap_init_node+0x1ca/0x770
[ 569.024870][ T7678] sbitmap_init_node+0x1ca/0x770
[ 569.024883][ T7678] sbitmap_queue_init_node+0x40/0x4a0
[ 569.024896][ T7678] blk_mq_init_tags+0x12d/0x2b0
[ 569.024913][ T7678] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 569.024932][ T7678] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 569.024965][ T7678] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 569.024979][ T7678] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 569.024991][ T7678] ? rcu_is_watching+0x12/0xc0
[ 569.025006][ T7678] ? trace_contention_end+0xdd/0x130
[ 569.025020][ T7678] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 569.025041][ T7678] ? __pfx_down_write+0x10/0x10
[ 569.025061][ T7678] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 569.025075][ T7678] nbd_start_device+0x1b0/0xd70
[ 569.025091][ T7678] ? bpf_lsm_capable+0x9/0x10
[ 569.025110][ T7678] nbd_ioctl+0x219/0xda0
[ 569.025125][ T7678] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 569.025142][ T7678] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.025155][ T7678] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 569.025178][ T7678] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.025193][ T7678] blkdev_ioctl+0x274/0x6d0
[ 569.025205][ T7678] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.025216][ T7678] ? selinux_file_ioctl+0x180/0x270
[ 569.025231][ T7678] ? selinux_file_ioctl+0xb4/0x270
[ 569.025247][ T7678] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.025259][ T7678] __x64_sys_ioctl+0x18e/0x210
[ 569.025276][ T7678] do_syscall_64+0xcd/0x4e0
[ 569.025292][ T7678] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 569.025304][ T7678] RIP: 0033:0x7ff32d116569
[ 569.025314][ T7678] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 569.025326][ T7678] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 569.025338][ T7678] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 569.025346][ T7678] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 569.025352][ T7678] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 569.025360][ T7678] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 569.025367][ T7678] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 569.025382][ T7678]
[ 569.341049][ T7678] block nbd0: shutting down sockets
[ 569.441746][ T7680] FAULT_INJECTION: forcing a failure.
[ 569.441746][ T7680] name failslab, interval 1, probability 0, space 0, times 0
[ 569.454419][ T7680] CPU: 0 UID: 0 PID: 7680 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 569.454447][ T7680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 569.454456][ T7680] Call Trace:
[ 569.454461][ T7680]
[ 569.454465][ T7680] dump_stack_lvl+0x16c/0x1f0
[ 569.454485][ T7680] should_fail_ex+0x512/0x640
[ 569.454500][ T7680] ? fs_reclaim_acquire+0xae/0x150
[ 569.454517][ T7680] should_failslab+0xc2/0x120
[ 569.454530][ T7680] __kvmalloc_node_noprof+0x137/0x620
[ 569.454542][ T7680] ? sbitmap_init_node+0x1ca/0x770
[ 569.454556][ T7680] ? sbitmap_init_node+0x1ca/0x770
[ 569.454565][ T7680] sbitmap_init_node+0x1ca/0x770
[ 569.454578][ T7680] sbitmap_queue_init_node+0x40/0x4a0
[ 569.454591][ T7680] blk_mq_init_tags+0x12d/0x2b0
[ 569.454607][ T7680] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 569.454626][ T7680] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 569.454640][ T7680] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 569.454654][ T7680] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 569.454666][ T7680] ? rcu_is_watching+0x12/0xc0
[ 569.454681][ T7680] ? trace_contention_end+0xdd/0x130
[ 569.454694][ T7680] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 569.454716][ T7680] ? __pfx_down_write+0x10/0x10
[ 569.454735][ T7680] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 569.454749][ T7680] nbd_start_device+0x1b0/0xd70
[ 569.454765][ T7680] ? bpf_lsm_capable+0x9/0x10
[ 569.454784][ T7680] nbd_ioctl+0x219/0xda0
[ 569.454798][ T7680] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 569.454816][ T7680] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.454828][ T7680] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 569.454851][ T7680] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.454865][ T7680] blkdev_ioctl+0x274/0x6d0
[ 569.454877][ T7680] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.454887][ T7680] ? selinux_file_ioctl+0x180/0x270
[ 569.454913][ T7680] ? selinux_file_ioctl+0xb4/0x270
[ 569.454929][ T7680] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.454941][ T7680] __x64_sys_ioctl+0x18e/0x210
[ 569.454959][ T7680] do_syscall_64+0xcd/0x4e0
[ 569.454975][ T7680] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 569.454986][ T7680] RIP: 0033:0x7ff32d116569
[ 569.454997][ T7680] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 569.455008][ T7680] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 569.455020][ T7680] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 569.455028][ T7680] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 569.455035][ T7680] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 569.455042][ T7680] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 569.455049][ T7680] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 569.455064][ T7680]
[ 569.770926][ T7680] block nbd0: shutting down sockets
[ 569.851694][ T7682] FAULT_INJECTION: forcing a failure.
[ 569.851694][ T7682] name failslab, interval 1, probability 0, space 0, times 0
[ 569.864334][ T7682] CPU: 1 UID: 0 PID: 7682 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 569.864356][ T7682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 569.864364][ T7682] Call Trace:
[ 569.864369][ T7682]
[ 569.864374][ T7682] dump_stack_lvl+0x16c/0x1f0
[ 569.864394][ T7682] should_fail_ex+0x512/0x640
[ 569.864409][ T7682] ? fs_reclaim_acquire+0xae/0x150
[ 569.864425][ T7682] should_failslab+0xc2/0x120
[ 569.864439][ T7682] __kvmalloc_node_noprof+0x137/0x620
[ 569.864452][ T7682] ? sbitmap_init_node+0x1ca/0x770
[ 569.864465][ T7682] ? sbitmap_init_node+0x1ca/0x770
[ 569.864474][ T7682] sbitmap_init_node+0x1ca/0x770
[ 569.864488][ T7682] sbitmap_queue_init_node+0x40/0x4a0
[ 569.864501][ T7682] blk_mq_init_tags+0x12d/0x2b0
[ 569.864517][ T7682] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 569.864536][ T7682] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 569.864550][ T7682] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 569.864564][ T7682] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 569.864577][ T7682] ? rcu_is_watching+0x12/0xc0
[ 569.864592][ T7682] ? trace_contention_end+0xdd/0x130
[ 569.864605][ T7682] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 569.864627][ T7682] ? __pfx_down_write+0x10/0x10
[ 569.864647][ T7682] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 569.864660][ T7682] nbd_start_device+0x1b0/0xd70
[ 569.864677][ T7682] ? bpf_lsm_capable+0x9/0x10
[ 569.864697][ T7682] nbd_ioctl+0x219/0xda0
[ 569.864711][ T7682] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 569.864740][ T7682] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.864753][ T7682] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 569.864776][ T7682] ? __pfx_nbd_ioctl+0x10/0x10
[ 569.864790][ T7682] blkdev_ioctl+0x274/0x6d0
[ 569.864801][ T7682] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.864812][ T7682] ? selinux_file_ioctl+0x180/0x270
[ 569.864827][ T7682] ? selinux_file_ioctl+0xb4/0x270
[ 569.864843][ T7682] ? __pfx_blkdev_ioctl+0x10/0x10
[ 569.864854][ T7682] __x64_sys_ioctl+0x18e/0x210
[ 569.864874][ T7682] do_syscall_64+0xcd/0x4e0
[ 569.864890][ T7682] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 569.864902][ T7682] RIP: 0033:0x7ff32d116569
[ 569.864913][ T7682] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 569.864924][ T7682] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 569.864935][ T7682] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 569.864943][ T7682] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 569.864951][ T7682] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 569.864958][ T7682] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 569.864965][ T7682] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 569.864980][ T7682]
[ 570.205622][ T7682] block nbd0: shutting down sockets
[ 570.291647][ T7684] FAULT_INJECTION: forcing a failure.
[ 570.291647][ T7684] name failslab, interval 1, probability 0, space 0, times 0
[ 570.304278][ T7684] CPU: 0 UID: 0 PID: 7684 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 570.304295][ T7684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 570.304303][ T7684] Call Trace:
[ 570.304308][ T7684]
[ 570.304314][ T7684] dump_stack_lvl+0x16c/0x1f0
[ 570.304333][ T7684] should_fail_ex+0x512/0x640
[ 570.304348][ T7684] ? fs_reclaim_acquire+0xae/0x150
[ 570.304365][ T7684] should_failslab+0xc2/0x120
[ 570.304378][ T7684] __kvmalloc_node_noprof+0x137/0x620
[ 570.304390][ T7684] ? sbitmap_init_node+0x1ca/0x770
[ 570.304404][ T7684] ? sbitmap_init_node+0x1ca/0x770
[ 570.304413][ T7684] sbitmap_init_node+0x1ca/0x770
[ 570.304426][ T7684] sbitmap_queue_init_node+0x40/0x4a0
[ 570.304439][ T7684] blk_mq_init_tags+0x12d/0x2b0
[ 570.304456][ T7684] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 570.304475][ T7684] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 570.304489][ T7684] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 570.304503][ T7684] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 570.304515][ T7684] ? rcu_is_watching+0x12/0xc0
[ 570.304530][ T7684] ? trace_contention_end+0xdd/0x130
[ 570.304544][ T7684] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 570.304566][ T7684] ? __pfx_down_write+0x10/0x10
[ 570.304585][ T7684] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 570.304599][ T7684] nbd_start_device+0x1b0/0xd70
[ 570.304615][ T7684] ? bpf_lsm_capable+0x9/0x10
[ 570.304634][ T7684] nbd_ioctl+0x219/0xda0
[ 570.304648][ T7684] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 570.304666][ T7684] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.304678][ T7684] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 570.304713][ T7684] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.304736][ T7684] blkdev_ioctl+0x274/0x6d0
[ 570.304757][ T7684] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.304775][ T7684] ? selinux_file_ioctl+0x180/0x270
[ 570.304793][ T7684] ? selinux_file_ioctl+0xb4/0x270
[ 570.304809][ T7684] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.304823][ T7684] __x64_sys_ioctl+0x18e/0x210
[ 570.304841][ T7684] do_syscall_64+0xcd/0x4e0
[ 570.304857][ T7684] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 570.304869][ T7684] RIP: 0033:0x7ff32d116569
[ 570.304880][ T7684] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 570.304891][ T7684] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 570.304903][ T7684] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 570.304911][ T7684] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 570.304918][ T7684] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 570.304925][ T7684] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 570.304932][ T7684] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 570.304947][ T7684]
[ 570.674611][ T7684] block nbd0: shutting down sockets
[ 570.761721][ T7686] FAULT_INJECTION: forcing a failure.
[ 570.761721][ T7686] name failslab, interval 1, probability 0, space 0, times 0
[ 570.774358][ T7686] CPU: 1 UID: 0 PID: 7686 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 570.774385][ T7686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 570.774395][ T7686] Call Trace:
[ 570.774400][ T7686]
[ 570.774405][ T7686] dump_stack_lvl+0x16c/0x1f0
[ 570.774425][ T7686] should_fail_ex+0x512/0x640
[ 570.774439][ T7686] ? fs_reclaim_acquire+0xae/0x150
[ 570.774456][ T7686] should_failslab+0xc2/0x120
[ 570.774469][ T7686] __kvmalloc_node_noprof+0x137/0x620
[ 570.774482][ T7686] ? sbitmap_init_node+0x1ca/0x770
[ 570.774495][ T7686] ? sbitmap_init_node+0x1ca/0x770
[ 570.774504][ T7686] sbitmap_init_node+0x1ca/0x770
[ 570.774518][ T7686] sbitmap_queue_init_node+0x40/0x4a0
[ 570.774531][ T7686] blk_mq_init_tags+0x12d/0x2b0
[ 570.774547][ T7686] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 570.774567][ T7686] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 570.774580][ T7686] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 570.774594][ T7686] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 570.774607][ T7686] ? rcu_is_watching+0x12/0xc0
[ 570.774622][ T7686] ? trace_contention_end+0xdd/0x130
[ 570.774636][ T7686] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 570.774658][ T7686] ? __pfx_down_write+0x10/0x10
[ 570.774677][ T7686] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 570.774691][ T7686] nbd_start_device+0x1b0/0xd70
[ 570.774707][ T7686] ? bpf_lsm_capable+0x9/0x10
[ 570.774726][ T7686] nbd_ioctl+0x219/0xda0
[ 570.774741][ T7686] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 570.774758][ T7686] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.774770][ T7686] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 570.774794][ T7686] ? __pfx_nbd_ioctl+0x10/0x10
[ 570.774808][ T7686] blkdev_ioctl+0x274/0x6d0
[ 570.774820][ T7686] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.774830][ T7686] ? selinux_file_ioctl+0x180/0x270
[ 570.774845][ T7686] ? selinux_file_ioctl+0xb4/0x270
[ 570.774866][ T7686] ? __pfx_blkdev_ioctl+0x10/0x10
[ 570.774878][ T7686] __x64_sys_ioctl+0x18e/0x210
[ 570.774895][ T7686] do_syscall_64+0xcd/0x4e0
[ 570.774911][ T7686] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 570.774923][ T7686] RIP: 0033:0x7ff32d116569
[ 570.774933][ T7686] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 570.774945][ T7686] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 570.774957][ T7686] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 570.774968][ T7686] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 570.774980][ T7686] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 570.774993][ T7686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 570.775006][ T7686] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 570.775034][ T7686]
[ 571.100963][ T7686] block nbd0: shutting down sockets
[ 571.201782][ T7688] FAULT_INJECTION: forcing a failure.
[ 571.201782][ T7688] name failslab, interval 1, probability 0, space 0, times 0
[ 571.214427][ T7688] CPU: 0 UID: 0 PID: 7688 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 571.214444][ T7688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 571.214452][ T7688] Call Trace:
[ 571.214457][ T7688]
[ 571.214461][ T7688] dump_stack_lvl+0x16c/0x1f0
[ 571.214482][ T7688] should_fail_ex+0x512/0x640
[ 571.214497][ T7688] ? fs_reclaim_acquire+0xae/0x150
[ 571.214513][ T7688] should_failslab+0xc2/0x120
[ 571.214527][ T7688] __kvmalloc_node_noprof+0x137/0x620
[ 571.214539][ T7688] ? sbitmap_init_node+0x1ca/0x770
[ 571.214553][ T7688] ? sbitmap_init_node+0x1ca/0x770
[ 571.214562][ T7688] sbitmap_init_node+0x1ca/0x770
[ 571.214575][ T7688] sbitmap_queue_init_node+0x40/0x4a0
[ 571.214588][ T7688] blk_mq_init_tags+0x12d/0x2b0
[ 571.214605][ T7688] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 571.214624][ T7688] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 571.214638][ T7688] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 571.214652][ T7688] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 571.214664][ T7688] ? rcu_is_watching+0x12/0xc0
[ 571.214679][ T7688] ? trace_contention_end+0xdd/0x130
[ 571.214692][ T7688] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 571.214714][ T7688] ? __pfx_down_write+0x10/0x10
[ 571.214736][ T7688] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 571.214750][ T7688] nbd_start_device+0x1b0/0xd70
[ 571.214767][ T7688] ? bpf_lsm_capable+0x9/0x10
[ 571.214786][ T7688] nbd_ioctl+0x219/0xda0
[ 571.214800][ T7688] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 571.214817][ T7688] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.214830][ T7688] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 571.214853][ T7688] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.214868][ T7688] blkdev_ioctl+0x274/0x6d0
[ 571.214879][ T7688] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.214889][ T7688] ? selinux_file_ioctl+0x180/0x270
[ 571.214904][ T7688] ? selinux_file_ioctl+0xb4/0x270
[ 571.214920][ T7688] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.214931][ T7688] __x64_sys_ioctl+0x18e/0x210
[ 571.214949][ T7688] do_syscall_64+0xcd/0x4e0
[ 571.214965][ T7688] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.214983][ T7688] RIP: 0033:0x7ff32d116569
[ 571.214993][ T7688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 571.215005][ T7688] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 571.215016][ T7688] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 571.215024][ T7688] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 571.215031][ T7688] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 571.215038][ T7688] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 571.215045][ T7688] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 571.215060][ T7688]
[ 571.520966][ T7688] block nbd0: shutting down sockets
[ 571.601864][ T7690] FAULT_INJECTION: forcing a failure.
[ 571.601864][ T7690] name failslab, interval 1, probability 0, space 0, times 0
[ 571.614570][ T7690] CPU: 0 UID: 0 PID: 7690 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 571.614596][ T7690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 571.614608][ T7690] Call Trace:
[ 571.614615][ T7690]
[ 571.614624][ T7690] dump_stack_lvl+0x16c/0x1f0
[ 571.614655][ T7690] should_fail_ex+0x512/0x640
[ 571.614680][ T7690] ? fs_reclaim_acquire+0xae/0x150
[ 571.614709][ T7690] should_failslab+0xc2/0x120
[ 571.614734][ T7690] __kvmalloc_node_noprof+0x137/0x620
[ 571.614756][ T7690] ? sbitmap_init_node+0x1ca/0x770
[ 571.614781][ T7690] ? sbitmap_init_node+0x1ca/0x770
[ 571.614799][ T7690] sbitmap_init_node+0x1ca/0x770
[ 571.614824][ T7690] sbitmap_queue_init_node+0x40/0x4a0
[ 571.614849][ T7690] blk_mq_init_tags+0x12d/0x2b0
[ 571.614878][ T7690] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 571.614914][ T7690] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 571.614947][ T7690] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 571.614973][ T7690] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 571.614997][ T7690] ? rcu_is_watching+0x12/0xc0
[ 571.615023][ T7690] ? trace_contention_end+0xdd/0x130
[ 571.615048][ T7690] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 571.615090][ T7690] ? __pfx_down_write+0x10/0x10
[ 571.615127][ T7690] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 571.615153][ T7690] nbd_start_device+0x1b0/0xd70
[ 571.615184][ T7690] ? bpf_lsm_capable+0x9/0x10
[ 571.615219][ T7690] nbd_ioctl+0x219/0xda0
[ 571.615246][ T7690] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 571.615277][ T7690] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.615302][ T7690] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 571.615340][ T7690] ? __pfx_nbd_ioctl+0x10/0x10
[ 571.615367][ T7690] blkdev_ioctl+0x274/0x6d0
[ 571.615387][ T7690] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.615406][ T7690] ? selinux_file_ioctl+0x180/0x270
[ 571.615431][ T7690] ? selinux_file_ioctl+0xb4/0x270
[ 571.615459][ T7690] ? __pfx_blkdev_ioctl+0x10/0x10
[ 571.615479][ T7690] __x64_sys_ioctl+0x18e/0x210
[ 571.615508][ T7690] do_syscall_64+0xcd/0x4e0
[ 571.615534][ T7690] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.615553][ T7690] RIP: 0033:0x7ff32d116569
[ 571.615569][ T7690] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 571.615588][ T7690] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 571.615606][ T7690] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 571.615619][ T7690] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 571.615631][ T7690] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 571.615643][ T7690] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 571.615655][ T7690] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 571.615680][ T7690]
[ 571.931187][ T7690] block nbd0: shutting down sockets
[ 572.041766][ T7692] FAULT_INJECTION: forcing a failure.
[ 572.041766][ T7692] name failslab, interval 1, probability 0, space 0, times 0
[ 572.054453][ T7692] CPU: 1 UID: 0 PID: 7692 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 572.054480][ T7692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 572.054493][ T7692] Call Trace:
[ 572.054500][ T7692]
[ 572.054505][ T7692] dump_stack_lvl+0x16c/0x1f0
[ 572.054524][ T7692] should_fail_ex+0x512/0x640
[ 572.054539][ T7692] ? fs_reclaim_acquire+0xae/0x150
[ 572.054555][ T7692] should_failslab+0xc2/0x120
[ 572.054568][ T7692] __kvmalloc_node_noprof+0x137/0x620
[ 572.054581][ T7692] ? sbitmap_init_node+0x1ca/0x770
[ 572.054594][ T7692] ? sbitmap_init_node+0x1ca/0x770
[ 572.054603][ T7692] sbitmap_init_node+0x1ca/0x770
[ 572.054617][ T7692] sbitmap_queue_init_node+0x40/0x4a0
[ 572.054629][ T7692] blk_mq_init_tags+0x12d/0x2b0
[ 572.054646][ T7692] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 572.054667][ T7692] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 572.054681][ T7692] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 572.054695][ T7692] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 572.054707][ T7692] ? rcu_is_watching+0x12/0xc0
[ 572.054722][ T7692] ? trace_contention_end+0xdd/0x130
[ 572.054736][ T7692] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 572.054758][ T7692] ? __pfx_down_write+0x10/0x10
[ 572.054777][ T7692] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 572.054791][ T7692] nbd_start_device+0x1b0/0xd70
[ 572.054807][ T7692] ? bpf_lsm_capable+0x9/0x10
[ 572.054827][ T7692] nbd_ioctl+0x219/0xda0
[ 572.054841][ T7692] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 572.054858][ T7692] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.054871][ T7692] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 572.054894][ T7692] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.054913][ T7692] blkdev_ioctl+0x274/0x6d0
[ 572.054925][ T7692] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.054935][ T7692] ? selinux_file_ioctl+0x180/0x270
[ 572.054950][ T7692] ? selinux_file_ioctl+0xb4/0x270
[ 572.054966][ T7692] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.054978][ T7692] __x64_sys_ioctl+0x18e/0x210
[ 572.054996][ T7692] do_syscall_64+0xcd/0x4e0
[ 572.055012][ T7692] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 572.055024][ T7692] RIP: 0033:0x7ff32d116569
[ 572.055034][ T7692] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 572.055045][ T7692] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 572.055057][ T7692] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 572.055065][ T7692] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 572.055072][ T7692] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 572.055079][ T7692] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 572.055086][ T7692] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 572.055101][ T7692]
[ 572.444755][ T7692] block nbd0: shutting down sockets
[ 572.571688][ T7694] FAULT_INJECTION: forcing a failure.
[ 572.571688][ T7694] name failslab, interval 1, probability 0, space 0, times 0
[ 572.584343][ T7694] CPU: 0 UID: 0 PID: 7694 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 572.584360][ T7694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 572.584367][ T7694] Call Trace:
[ 572.584371][ T7694]
[ 572.584376][ T7694] dump_stack_lvl+0x16c/0x1f0
[ 572.584395][ T7694] should_fail_ex+0x512/0x640
[ 572.584410][ T7694] ? fs_reclaim_acquire+0xae/0x150
[ 572.584426][ T7694] should_failslab+0xc2/0x120
[ 572.584440][ T7694] __kvmalloc_node_noprof+0x137/0x620
[ 572.584452][ T7694] ? sbitmap_init_node+0x1ca/0x770
[ 572.584465][ T7694] ? sbitmap_init_node+0x1ca/0x770
[ 572.584484][ T7694] sbitmap_init_node+0x1ca/0x770
[ 572.584497][ T7694] sbitmap_queue_init_node+0x40/0x4a0
[ 572.584510][ T7694] blk_mq_init_tags+0x12d/0x2b0
[ 572.584526][ T7694] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 572.584545][ T7694] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 572.584559][ T7694] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 572.584572][ T7694] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 572.584585][ T7694] ? rcu_is_watching+0x12/0xc0
[ 572.584599][ T7694] ? trace_contention_end+0xdd/0x130
[ 572.584615][ T7694] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 572.584637][ T7694] ? __pfx_down_write+0x10/0x10
[ 572.584656][ T7694] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 572.584670][ T7694] nbd_start_device+0x1b0/0xd70
[ 572.584687][ T7694] ? bpf_lsm_capable+0x9/0x10
[ 572.584705][ T7694] nbd_ioctl+0x219/0xda0
[ 572.584720][ T7694] ? rcu_is_watching+0x12/0xc0
[ 572.584732][ T7694] ? irqentry_exit+0x3b/0x90
[ 572.584746][ T7694] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.584764][ T7694] ? __x64_sys_ioctl+0x123/0x210
[ 572.584780][ T7694] ? __pfx_nbd_ioctl+0x10/0x10
[ 572.584803][ T7694] blkdev_ioctl+0x274/0x6d0
[ 572.584814][ T7694] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.584825][ T7694] ? selinux_file_ioctl+0x180/0x270
[ 572.584841][ T7694] ? selinux_file_ioctl+0xb4/0x270
[ 572.584861][ T7694] ? __pfx_blkdev_ioctl+0x10/0x10
[ 572.584873][ T7694] __x64_sys_ioctl+0x18e/0x210
[ 572.584890][ T7694] do_syscall_64+0xcd/0x4e0
[ 572.584906][ T7694] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 572.584918][ T7694] RIP: 0033:0x7ff32d116569
[ 572.584928][ T7694] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 572.584940][ T7694] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 572.584951][ T7694] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 572.584959][ T7694] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 572.584966][ T7694] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 572.584973][ T7694] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 572.584980][ T7694] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 572.584995][ T7694]
[ 572.900985][ T7694] block nbd0: shutting down sockets
[ 573.010837][ T7698] block nbd0: Device being setup by another task
[ 573.017900][ T7697] FAULT_INJECTION: forcing a failure.
[ 573.017900][ T7697] name failslab, interval 1, probability 0, space 0, times 0
[ 573.030587][ T7697] CPU: 1 UID: 0 PID: 7697 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 573.030613][ T7697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 573.030625][ T7697] Call Trace:
[ 573.030630][ T7697]
[ 573.030635][ T7697] dump_stack_lvl+0x16c/0x1f0
[ 573.030654][ T7697] should_fail_ex+0x512/0x640
[ 573.030669][ T7697] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 573.030688][ T7697] should_failslab+0xc2/0x120
[ 573.030701][ T7697] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 573.030714][ T7697] ? __d_alloc+0x32/0xae0
[ 573.030730][ T7697] __d_alloc+0x32/0xae0
[ 573.030745][ T7697] d_alloc_parallel+0x111/0x1480
[ 573.030763][ T7697] ? mark_held_locks+0x49/0x80
[ 573.030782][ T7697] ? __lock_acquire+0x62e/0x1ce0
[ 573.030799][ T7697] ? __pfx_d_alloc_parallel+0x10/0x10
[ 573.030824][ T7697] ? lockdep_init_map_type+0x5c/0x280
[ 573.030836][ T7697] ? lockdep_init_map_type+0x5c/0x280
[ 573.030849][ T7697] __lookup_slow+0x193/0x460
[ 573.030866][ T7697] ? __pfx___lookup_slow+0x10/0x10
[ 573.030884][ T7697] ? memmap_init_range+0x980/0xa20
[ 573.030903][ T7697] ? memmap_init_range+0x980/0xa20
[ 573.030918][ T7697] ? d_lookup+0xe7/0x190
[ 573.030936][ T7697] lookup_noperm+0xe1/0x110
[ 573.030952][ T7697] simple_start_creating+0xd1/0x1b0
[ 573.030966][ T7697] start_creating.part.0+0x82/0x190
[ 573.030982][ T7697] __debugfs_create_file+0xa7/0x6b0
[ 573.030997][ T7697] debugfs_create_file_unsafe+0x3c/0x50
[ 573.031014][ T7697] debugfs_create_u64+0x70/0xa0
[ 573.031030][ T7697] nbd_start_device+0x46c/0xd70
[ 573.031046][ T7697] ? bpf_lsm_capable+0x9/0x10
[ 573.031065][ T7697] nbd_ioctl+0x219/0xda0
[ 573.031079][ T7697] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 573.031096][ T7697] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.031108][ T7697] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 573.031131][ T7697] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.031146][ T7697] blkdev_ioctl+0x274/0x6d0
[ 573.031158][ T7697] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.031168][ T7697] ? selinux_file_ioctl+0x180/0x270
[ 573.031183][ T7697] ? selinux_file_ioctl+0xb4/0x270
[ 573.031199][ T7697] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.031211][ T7697] __x64_sys_ioctl+0x18e/0x210
[ 573.031228][ T7697] do_syscall_64+0xcd/0x4e0
[ 573.031244][ T7697] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.031256][ T7697] RIP: 0033:0x7ff32d116569
[ 573.031266][ T7697] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 573.031277][ T7697] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 573.031288][ T7697] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 573.031296][ T7697] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 573.031303][ T7697] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 573.031311][ T7697] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 573.031318][ T7697] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 573.031332][ T7697]
[ 573.361044][ T7697] block nbd0: shutting down sockets
[ 573.470794][ T7701] block nbd0: Device being setup by another task
[ 573.478274][ T7700] FAULT_INJECTION: forcing a failure.
[ 573.478274][ T7700] name failslab, interval 1, probability 0, space 0, times 0
[ 573.490911][ T7700] CPU: 0 UID: 0 PID: 7700 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 573.490927][ T7700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 573.490935][ T7700] Call Trace:
[ 573.490939][ T7700]
[ 573.490944][ T7700] dump_stack_lvl+0x16c/0x1f0
[ 573.490963][ T7700] should_fail_ex+0x512/0x640
[ 573.490977][ T7700] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 573.490992][ T7700] should_failslab+0xc2/0x120
[ 573.491005][ T7700] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 573.491017][ T7700] ? __d_alloc+0x32/0xae0
[ 573.491034][ T7700] __d_alloc+0x32/0xae0
[ 573.491049][ T7700] d_alloc_parallel+0x111/0x1480
[ 573.491067][ T7700] ? mark_held_locks+0x49/0x80
[ 573.491088][ T7700] ? __pfx_d_alloc_parallel+0x10/0x10
[ 573.491105][ T7700] ? irqentry_exit+0x3b/0x90
[ 573.491119][ T7700] ? lockdep_init_map_type+0x5c/0x280
[ 573.491130][ T7700] ? lockdep_init_map_type+0x5c/0x280
[ 573.491144][ T7700] __lookup_slow+0x193/0x460
[ 573.491161][ T7700] ? __pfx___lookup_slow+0x10/0x10
[ 573.491179][ T7700] ? memmap_init_range+0x980/0xa20
[ 573.491197][ T7700] ? memmap_init_range+0x980/0xa20
[ 573.491212][ T7700] ? d_lookup+0xe7/0x190
[ 573.491231][ T7700] lookup_noperm+0xe1/0x110
[ 573.491247][ T7700] simple_start_creating+0xd1/0x1b0
[ 573.491261][ T7700] start_creating.part.0+0x82/0x190
[ 573.491276][ T7700] __debugfs_create_file+0xa7/0x6b0
[ 573.491292][ T7700] debugfs_create_file_unsafe+0x3c/0x50
[ 573.491309][ T7700] debugfs_create_u64+0x70/0xa0
[ 573.491333][ T7700] nbd_start_device+0x46c/0xd70
[ 573.491363][ T7700] ? bpf_lsm_capable+0x9/0x10
[ 573.491383][ T7700] nbd_ioctl+0x219/0xda0
[ 573.491398][ T7700] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 573.491414][ T7700] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.491427][ T7700] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 573.491450][ T7700] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.491464][ T7700] blkdev_ioctl+0x274/0x6d0
[ 573.491477][ T7700] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.491487][ T7700] ? selinux_file_ioctl+0x180/0x270
[ 573.491502][ T7700] ? selinux_file_ioctl+0xb4/0x270
[ 573.491523][ T7700] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.491535][ T7700] __x64_sys_ioctl+0x18e/0x210
[ 573.491552][ T7700] do_syscall_64+0xcd/0x4e0
[ 573.491568][ T7700] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.491580][ T7700] RIP: 0033:0x7ff32d116569
[ 573.491590][ T7700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 573.491602][ T7700] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 573.491613][ T7700] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 573.491621][ T7700] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 573.491628][ T7700] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 573.491635][ T7700] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 573.491642][ T7700] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 573.491657][ T7700]
[ 573.820933][ T7700] block nbd0: shutting down sockets
[ 573.902019][ T7703] FAULT_INJECTION: forcing a failure.
[ 573.902019][ T7703] name failslab, interval 1, probability 0, space 0, times 0
[ 573.914652][ T7703] CPU: 1 UID: 0 PID: 7703 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 573.914678][ T7703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 573.914686][ T7703] Call Trace:
[ 573.914691][ T7703]
[ 573.914696][ T7703] dump_stack_lvl+0x16c/0x1f0
[ 573.914715][ T7703] should_fail_ex+0x512/0x640
[ 573.914732][ T7703] ? fs_reclaim_acquire+0xae/0x150
[ 573.914749][ T7703] should_failslab+0xc2/0x120
[ 573.914763][ T7703] __kvmalloc_node_noprof+0x137/0x620
[ 573.914775][ T7703] ? sbitmap_init_node+0x1ca/0x770
[ 573.914789][ T7703] ? sbitmap_init_node+0x1ca/0x770
[ 573.914798][ T7703] sbitmap_init_node+0x1ca/0x770
[ 573.914811][ T7703] sbitmap_queue_init_node+0x40/0x4a0
[ 573.914825][ T7703] blk_mq_init_tags+0x12d/0x2b0
[ 573.914841][ T7703] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 573.914861][ T7703] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 573.914874][ T7703] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 573.914888][ T7703] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 573.914901][ T7703] ? rcu_is_watching+0x12/0xc0
[ 573.914916][ T7703] ? trace_contention_end+0xdd/0x130
[ 573.914929][ T7703] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 573.914951][ T7703] ? __pfx_down_write+0x10/0x10
[ 573.914971][ T7703] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 573.914985][ T7703] nbd_start_device+0x1b0/0xd70
[ 573.915001][ T7703] ? bpf_lsm_capable+0x9/0x10
[ 573.915020][ T7703] nbd_ioctl+0x219/0xda0
[ 573.915034][ T7703] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 573.915052][ T7703] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.915065][ T7703] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 573.915088][ T7703] ? __pfx_nbd_ioctl+0x10/0x10
[ 573.915103][ T7703] blkdev_ioctl+0x274/0x6d0
[ 573.915114][ T7703] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.915124][ T7703] ? selinux_file_ioctl+0x180/0x270
[ 573.915139][ T7703] ? selinux_file_ioctl+0xb4/0x270
[ 573.915155][ T7703] ? __pfx_blkdev_ioctl+0x10/0x10
[ 573.915167][ T7703] __x64_sys_ioctl+0x18e/0x210
[ 573.915184][ T7703] do_syscall_64+0xcd/0x4e0
[ 573.915200][ T7703] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.915212][ T7703] RIP: 0033:0x7ff32d116569
[ 573.915222][ T7703] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 573.915234][ T7703] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 573.915245][ T7703] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 573.915253][ T7703] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 573.915260][ T7703] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 573.915267][ T7703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 573.915274][ T7703] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 573.915289][ T7703]
[ 574.221557][ T7703] block nbd0: shutting down sockets
[ 574.321749][ T7705] FAULT_INJECTION: forcing a failure.
[ 574.321749][ T7705] name failslab, interval 1, probability 0, space 0, times 0
[ 574.334406][ T7705] CPU: 0 UID: 0 PID: 7705 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 574.334432][ T7705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 574.334443][ T7705] Call Trace:
[ 574.334448][ T7705]
[ 574.334453][ T7705] dump_stack_lvl+0x16c/0x1f0
[ 574.334472][ T7705] should_fail_ex+0x512/0x640
[ 574.334486][ T7705] ? fs_reclaim_acquire+0xae/0x150
[ 574.334503][ T7705] should_failslab+0xc2/0x120
[ 574.334516][ T7705] __kmalloc_cache_node_noprof+0x6d/0x420
[ 574.334528][ T7705] ? lockdep_init_map_type+0x5c/0x280
[ 574.334540][ T7705] ? blk_mq_init_tags+0x87/0x2b0
[ 574.334556][ T7705] blk_mq_init_tags+0x87/0x2b0
[ 574.334571][ T7705] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 574.334590][ T7705] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 574.334604][ T7705] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 574.334618][ T7705] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 574.334630][ T7705] ? rcu_is_watching+0x12/0xc0
[ 574.334644][ T7705] ? trace_contention_end+0xdd/0x130
[ 574.334658][ T7705] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 574.334679][ T7705] ? __pfx_down_write+0x10/0x10
[ 574.334706][ T7705] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 574.334731][ T7705] nbd_start_device+0x1b0/0xd70
[ 574.334760][ T7705] ? bpf_lsm_capable+0x9/0x10
[ 574.334780][ T7705] nbd_ioctl+0x219/0xda0
[ 574.334794][ T7705] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 574.334811][ T7705] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.334823][ T7705] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 574.334846][ T7705] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.334860][ T7705] blkdev_ioctl+0x274/0x6d0
[ 574.334872][ T7705] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.334882][ T7705] ? selinux_file_ioctl+0x180/0x270
[ 574.334897][ T7705] ? selinux_file_ioctl+0xb4/0x270
[ 574.334913][ T7705] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.334925][ T7705] __x64_sys_ioctl+0x18e/0x210
[ 574.334942][ T7705] do_syscall_64+0xcd/0x4e0
[ 574.334958][ T7705] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.334970][ T7705] RIP: 0033:0x7ff32d116569
[ 574.334981][ T7705] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 574.334993][ T7705] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 574.335004][ T7705] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 574.335011][ T7705] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 574.335019][ T7705] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 574.335026][ T7705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 574.335033][ T7705] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 574.335048][ T7705]
[ 574.661074][ T7705] block nbd0: shutting down sockets
[ 574.770793][ T7708] block nbd0: Device being setup by another task
[ 574.777703][ T7707] FAULT_INJECTION: forcing a failure.
[ 574.777703][ T7707] name failslab, interval 1, probability 0, space 0, times 0
[ 574.790347][ T7707] CPU: 1 UID: 0 PID: 7707 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 574.790370][ T7707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 574.790377][ T7707] Call Trace:
[ 574.790383][ T7707]
[ 574.790387][ T7707] dump_stack_lvl+0x16c/0x1f0
[ 574.790408][ T7707] should_fail_ex+0x512/0x640
[ 574.790422][ T7707] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 574.790437][ T7707] should_failslab+0xc2/0x120
[ 574.790450][ T7707] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 574.790462][ T7707] ? __d_alloc+0x32/0xae0
[ 574.790478][ T7707] __d_alloc+0x32/0xae0
[ 574.790494][ T7707] d_alloc_parallel+0x111/0x1480
[ 574.790512][ T7707] ? mark_held_locks+0x49/0x80
[ 574.790531][ T7707] ? __lock_acquire+0x62e/0x1ce0
[ 574.790548][ T7707] ? __pfx_d_alloc_parallel+0x10/0x10
[ 574.790566][ T7707] ? lockdep_init_map_type+0x5c/0x280
[ 574.790577][ T7707] ? lockdep_init_map_type+0x5c/0x280
[ 574.790591][ T7707] __lookup_slow+0x193/0x460
[ 574.790618][ T7707] ? __pfx___lookup_slow+0x10/0x10
[ 574.790640][ T7707] ? memmap_init_range+0x980/0xa20
[ 574.790663][ T7707] ? memmap_init_range+0x980/0xa20
[ 574.790686][ T7707] ? d_lookup+0xe7/0x190
[ 574.790718][ T7707] lookup_noperm+0xe1/0x110
[ 574.790745][ T7707] simple_start_creating+0xd1/0x1b0
[ 574.790770][ T7707] start_creating.part.0+0x82/0x190
[ 574.790796][ T7707] __debugfs_create_file+0xa7/0x6b0
[ 574.790824][ T7707] debugfs_create_file_unsafe+0x3c/0x50
[ 574.790844][ T7707] debugfs_create_u64+0x70/0xa0
[ 574.790858][ T7707] nbd_start_device+0x46c/0xd70
[ 574.790874][ T7707] ? bpf_lsm_capable+0x9/0x10
[ 574.790893][ T7707] nbd_ioctl+0x219/0xda0
[ 574.790908][ T7707] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 574.790925][ T7707] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.790937][ T7707] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 574.790961][ T7707] ? __pfx_nbd_ioctl+0x10/0x10
[ 574.790976][ T7707] blkdev_ioctl+0x274/0x6d0
[ 574.790988][ T7707] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.790998][ T7707] ? selinux_file_ioctl+0x180/0x270
[ 574.791013][ T7707] ? selinux_file_ioctl+0xb4/0x270
[ 574.791029][ T7707] ? __pfx_blkdev_ioctl+0x10/0x10
[ 574.791041][ T7707] __x64_sys_ioctl+0x18e/0x210
[ 574.791058][ T7707] do_syscall_64+0xcd/0x4e0
[ 574.791074][ T7707] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 574.791087][ T7707] RIP: 0033:0x7ff32d116569
[ 574.791097][ T7707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 574.791109][ T7707] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 574.791120][ T7707] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 574.791128][ T7707] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 574.791135][ T7707] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 574.791143][ T7707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 574.791150][ T7707] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 574.791165][ T7707]
[ 575.194683][ T7707] block nbd0: shutting down sockets
[ 575.320867][ T7711] block nbd0: Device being setup by another task
[ 575.327908][ T7710] FAULT_INJECTION: forcing a failure.
[ 575.327908][ T7710] name failslab, interval 1, probability 0, space 0, times 0
[ 575.340620][ T7710] CPU: 0 UID: 0 PID: 7710 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 575.340645][ T7710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 575.340652][ T7710] Call Trace:
[ 575.340657][ T7710]
[ 575.340662][ T7710] dump_stack_lvl+0x16c/0x1f0
[ 575.340689][ T7710] should_fail_ex+0x512/0x640
[ 575.340719][ T7710] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 575.340744][ T7710] should_failslab+0xc2/0x120
[ 575.340758][ T7710] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 575.340771][ T7710] ? __d_alloc+0x32/0xae0
[ 575.340787][ T7710] __d_alloc+0x32/0xae0
[ 575.340803][ T7710] d_alloc_parallel+0x111/0x1480
[ 575.340821][ T7710] ? mark_held_locks+0x49/0x80
[ 575.340839][ T7710] ? __lock_acquire+0x62e/0x1ce0
[ 575.340856][ T7710] ? __pfx_d_alloc_parallel+0x10/0x10
[ 575.340874][ T7710] ? lockdep_init_map_type+0x5c/0x280
[ 575.340886][ T7710] ? lockdep_init_map_type+0x5c/0x280
[ 575.340899][ T7710] __lookup_slow+0x193/0x460
[ 575.340917][ T7710] ? __pfx___lookup_slow+0x10/0x10
[ 575.340934][ T7710] ? memmap_init_range+0x980/0xa20
[ 575.340954][ T7710] ? memmap_init_range+0x980/0xa20
[ 575.340969][ T7710] ? d_lookup+0xe7/0x190
[ 575.340987][ T7710] lookup_noperm+0xe1/0x110
[ 575.341003][ T7710] simple_start_creating+0xd1/0x1b0
[ 575.341018][ T7710] start_creating.part.0+0x82/0x190
[ 575.341033][ T7710] __debugfs_create_file+0xa7/0x6b0
[ 575.341048][ T7710] debugfs_create_file_unsafe+0x3c/0x50
[ 575.341064][ T7710] debugfs_create_u64+0x70/0xa0
[ 575.341078][ T7710] nbd_start_device+0x46c/0xd70
[ 575.341095][ T7710] ? bpf_lsm_capable+0x9/0x10
[ 575.341114][ T7710] nbd_ioctl+0x219/0xda0
[ 575.341128][ T7710] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 575.341144][ T7710] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.341157][ T7710] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 575.341180][ T7710] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.341195][ T7710] blkdev_ioctl+0x274/0x6d0
[ 575.341207][ T7710] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.341217][ T7710] ? selinux_file_ioctl+0x180/0x270
[ 575.341232][ T7710] ? selinux_file_ioctl+0xb4/0x270
[ 575.341248][ T7710] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.341260][ T7710] __x64_sys_ioctl+0x18e/0x210
[ 575.341277][ T7710] do_syscall_64+0xcd/0x4e0
[ 575.341293][ T7710] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 575.341305][ T7710] RIP: 0033:0x7ff32d116569
[ 575.341315][ T7710] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 575.341327][ T7710] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 575.341344][ T7710] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 575.341352][ T7710] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 575.341359][ T7710] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 575.341367][ T7710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 575.341373][ T7710] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 575.341389][ T7710]
[ 575.744125][ T7710] block nbd0: shutting down sockets
[ 575.861442][ T7713] FAULT_INJECTION: forcing a failure.
[ 575.861442][ T7713] name failslab, interval 1, probability 0, space 0, times 0
[ 575.874079][ T7713] CPU: 1 UID: 0 PID: 7713 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 575.874096][ T7713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 575.874103][ T7713] Call Trace:
[ 575.874108][ T7713]
[ 575.874113][ T7713] dump_stack_lvl+0x16c/0x1f0
[ 575.874131][ T7713] should_fail_ex+0x512/0x640
[ 575.874146][ T7713] ? fs_reclaim_acquire+0xae/0x150
[ 575.874162][ T7713] should_failslab+0xc2/0x120
[ 575.874176][ T7713] __kvmalloc_node_noprof+0x137/0x620
[ 575.874188][ T7713] ? sbitmap_init_node+0x1ca/0x770
[ 575.874201][ T7713] ? sbitmap_init_node+0x1ca/0x770
[ 575.874211][ T7713] sbitmap_init_node+0x1ca/0x770
[ 575.874224][ T7713] sbitmap_queue_init_node+0x40/0x4a0
[ 575.874237][ T7713] blk_mq_init_tags+0x12d/0x2b0
[ 575.874253][ T7713] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 575.874272][ T7713] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 575.874286][ T7713] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 575.874301][ T7713] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 575.874315][ T7713] ? rcu_is_watching+0x12/0xc0
[ 575.874329][ T7713] ? trace_contention_end+0xdd/0x130
[ 575.874343][ T7713] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 575.874365][ T7713] ? __pfx_down_write+0x10/0x10
[ 575.874384][ T7713] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 575.874398][ T7713] nbd_start_device+0x1b0/0xd70
[ 575.874414][ T7713] ? bpf_lsm_capable+0x9/0x10
[ 575.874433][ T7713] nbd_ioctl+0x219/0xda0
[ 575.874448][ T7713] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 575.874465][ T7713] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.874478][ T7713] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 575.874501][ T7713] ? __pfx_nbd_ioctl+0x10/0x10
[ 575.874515][ T7713] blkdev_ioctl+0x274/0x6d0
[ 575.874526][ T7713] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.874537][ T7713] ? selinux_file_ioctl+0x180/0x270
[ 575.874557][ T7713] ? selinux_file_ioctl+0xb4/0x270
[ 575.874573][ T7713] ? __pfx_blkdev_ioctl+0x10/0x10
[ 575.874585][ T7713] __x64_sys_ioctl+0x18e/0x210
[ 575.874602][ T7713] do_syscall_64+0xcd/0x4e0
[ 575.874618][ T7713] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 575.874630][ T7713] RIP: 0033:0x7ff32d116569
[ 575.874640][ T7713] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 575.874651][ T7713] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 575.874663][ T7713] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 575.874671][ T7713] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 575.874679][ T7713] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 575.874691][ T7713] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 575.874703][ T7713] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 575.874730][ T7713]
[ 576.181023][ T7713] block nbd0: shutting down sockets
[ 576.271838][ T7716] FAULT_INJECTION: forcing a failure.
[ 576.271838][ T7716] name failslab, interval 1, probability 0, space 0, times 0
[ 576.284496][ T7716] CPU: 0 UID: 0 PID: 7716 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 576.284524][ T7716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 576.284535][ T7716] Call Trace:
[ 576.284543][ T7716]
[ 576.284552][ T7716] dump_stack_lvl+0x16c/0x1f0
[ 576.284574][ T7716] should_fail_ex+0x512/0x640
[ 576.284589][ T7716] ? fs_reclaim_acquire+0xae/0x150
[ 576.284606][ T7716] should_failslab+0xc2/0x120
[ 576.284620][ T7716] __kvmalloc_node_noprof+0x137/0x620
[ 576.284632][ T7716] ? sbitmap_init_node+0x1ca/0x770
[ 576.284646][ T7716] ? sbitmap_init_node+0x1ca/0x770
[ 576.284655][ T7716] sbitmap_init_node+0x1ca/0x770
[ 576.284668][ T7716] sbitmap_queue_init_node+0x40/0x4a0
[ 576.284681][ T7716] blk_mq_init_tags+0x12d/0x2b0
[ 576.284698][ T7716] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 576.284717][ T7716] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 576.284731][ T7716] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 576.284745][ T7716] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 576.284758][ T7716] ? rcu_is_watching+0x12/0xc0
[ 576.284773][ T7716] ? trace_contention_end+0xdd/0x130
[ 576.284786][ T7716] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 576.284808][ T7716] ? __pfx_down_write+0x10/0x10
[ 576.284827][ T7716] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 576.284841][ T7716] nbd_start_device+0x1b0/0xd70
[ 576.284857][ T7716] ? bpf_lsm_capable+0x9/0x10
[ 576.284876][ T7716] nbd_ioctl+0x219/0xda0
[ 576.284890][ T7716] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 576.284908][ T7716] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.284920][ T7716] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 576.284943][ T7716] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.284958][ T7716] blkdev_ioctl+0x274/0x6d0
[ 576.284969][ T7716] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.284979][ T7716] ? selinux_file_ioctl+0x180/0x270
[ 576.284994][ T7716] ? selinux_file_ioctl+0xb4/0x270
[ 576.285010][ T7716] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.285022][ T7716] __x64_sys_ioctl+0x18e/0x210
[ 576.285040][ T7716] do_syscall_64+0xcd/0x4e0
[ 576.285056][ T7716] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 576.285068][ T7716] RIP: 0033:0x7ff32d116569
[ 576.285078][ T7716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 576.285090][ T7716] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 576.285101][ T7716] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 576.285109][ T7716] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 576.285116][ T7716] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 576.285124][ T7716] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 576.285131][ T7716] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 576.285146][ T7716]
[ 576.610998][ T7716] block nbd0: shutting down sockets
[ 576.750771][ T7719] block nbd0: Device being setup by another task
[ 576.757760][ T7718] FAULT_INJECTION: forcing a failure.
[ 576.757760][ T7718] name failslab, interval 1, probability 0, space 0, times 0
[ 576.770406][ T7718] CPU: 1 UID: 0 PID: 7718 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 576.770432][ T7718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 576.770444][ T7718] Call Trace:
[ 576.770450][ T7718]
[ 576.770455][ T7718] dump_stack_lvl+0x16c/0x1f0
[ 576.770478][ T7718] should_fail_ex+0x512/0x640
[ 576.770492][ T7718] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 576.770507][ T7718] should_failslab+0xc2/0x120
[ 576.770520][ T7718] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 576.770532][ T7718] ? __d_alloc+0x32/0xae0
[ 576.770549][ T7718] __d_alloc+0x32/0xae0
[ 576.770564][ T7718] d_alloc_parallel+0x111/0x1480
[ 576.770582][ T7718] ? mark_held_locks+0x49/0x80
[ 576.770600][ T7718] ? __lock_acquire+0x62e/0x1ce0
[ 576.770617][ T7718] ? __pfx_d_alloc_parallel+0x10/0x10
[ 576.770635][ T7718] ? lockdep_init_map_type+0x5c/0x280
[ 576.770647][ T7718] ? lockdep_init_map_type+0x5c/0x280
[ 576.770660][ T7718] __lookup_slow+0x193/0x460
[ 576.770683][ T7718] ? __pfx___lookup_slow+0x10/0x10
[ 576.770715][ T7718] ? memmap_init_range+0x980/0xa20
[ 576.770747][ T7718] ? memmap_init_range+0x980/0xa20
[ 576.770773][ T7718] ? d_lookup+0xe7/0x190
[ 576.770798][ T7718] lookup_noperm+0xe1/0x110
[ 576.770815][ T7718] simple_start_creating+0xd1/0x1b0
[ 576.770829][ T7718] start_creating.part.0+0x82/0x190
[ 576.770844][ T7718] __debugfs_create_file+0xa7/0x6b0
[ 576.770860][ T7718] debugfs_create_file_unsafe+0x3c/0x50
[ 576.770875][ T7718] debugfs_create_u64+0x70/0xa0
[ 576.770889][ T7718] nbd_start_device+0x46c/0xd70
[ 576.770906][ T7718] ? bpf_lsm_capable+0x9/0x10
[ 576.770925][ T7718] nbd_ioctl+0x219/0xda0
[ 576.770939][ T7718] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 576.770956][ T7718] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.770969][ T7718] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 576.770992][ T7718] ? __pfx_nbd_ioctl+0x10/0x10
[ 576.771007][ T7718] blkdev_ioctl+0x274/0x6d0
[ 576.771019][ T7718] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.771029][ T7718] ? selinux_file_ioctl+0x180/0x270
[ 576.771044][ T7718] ? selinux_file_ioctl+0xb4/0x270
[ 576.771060][ T7718] ? __pfx_blkdev_ioctl+0x10/0x10
[ 576.771072][ T7718] __x64_sys_ioctl+0x18e/0x210
[ 576.771089][ T7718] do_syscall_64+0xcd/0x4e0
[ 576.771106][ T7718] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 576.771118][ T7718] RIP: 0033:0x7ff32d116569
[ 576.771128][ T7718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 576.771140][ T7718] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 576.771151][ T7718] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 576.771159][ T7718] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 576.771166][ T7718] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 576.771173][ T7718] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 576.771180][ T7718] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 576.771195][ T7718]
[ 577.100931][ T7718] block nbd0: shutting down sockets
[ 577.191810][ T7721] FAULT_INJECTION: forcing a failure.
[ 577.191810][ T7721] name failslab, interval 1, probability 0, space 0, times 0
[ 577.204432][ T7721] CPU: 1 UID: 0 PID: 7721 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 577.204447][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 577.204455][ T7721] Call Trace:
[ 577.204466][ T7721]
[ 577.204471][ T7721] dump_stack_lvl+0x16c/0x1f0
[ 577.204490][ T7721] should_fail_ex+0x512/0x640
[ 577.204505][ T7721] ? fs_reclaim_acquire+0xae/0x150
[ 577.204522][ T7721] should_failslab+0xc2/0x120
[ 577.204536][ T7721] __kvmalloc_node_noprof+0x137/0x620
[ 577.204548][ T7721] ? sbitmap_init_node+0x1ca/0x770
[ 577.204562][ T7721] ? sbitmap_init_node+0x1ca/0x770
[ 577.204572][ T7721] sbitmap_init_node+0x1ca/0x770
[ 577.204585][ T7721] sbitmap_queue_init_node+0x40/0x4a0
[ 577.204598][ T7721] blk_mq_init_tags+0x12d/0x2b0
[ 577.204615][ T7721] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 577.204634][ T7721] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 577.204648][ T7721] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 577.204661][ T7721] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 577.204674][ T7721] ? rcu_is_watching+0x12/0xc0
[ 577.204689][ T7721] ? trace_contention_end+0xdd/0x130
[ 577.204703][ T7721] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 577.204730][ T7721] ? __pfx_down_write+0x10/0x10
[ 577.204765][ T7721] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 577.204788][ T7721] nbd_start_device+0x1b0/0xd70
[ 577.204804][ T7721] ? bpf_lsm_capable+0x9/0x10
[ 577.204823][ T7721] nbd_ioctl+0x219/0xda0
[ 577.204838][ T7721] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 577.204855][ T7721] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.204868][ T7721] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 577.204891][ T7721] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.204905][ T7721] blkdev_ioctl+0x274/0x6d0
[ 577.204917][ T7721] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.204927][ T7721] ? selinux_file_ioctl+0x180/0x270
[ 577.204942][ T7721] ? selinux_file_ioctl+0xb4/0x270
[ 577.204958][ T7721] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.204970][ T7721] __x64_sys_ioctl+0x18e/0x210
[ 577.204988][ T7721] do_syscall_64+0xcd/0x4e0
[ 577.205004][ T7721] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 577.205016][ T7721] RIP: 0033:0x7ff32d116569
[ 577.205026][ T7721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 577.205038][ T7721] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 577.205049][ T7721] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 577.205057][ T7721] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 577.205064][ T7721] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 577.205071][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 577.205078][ T7721] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 577.205093][ T7721]
[ 577.515085][ T7721] block nbd0: shutting down sockets
[ 577.611692][ T7723] FAULT_INJECTION: forcing a failure.
[ 577.611692][ T7723] name failslab, interval 1, probability 0, space 0, times 0
[ 577.624337][ T7723] CPU: 0 UID: 0 PID: 7723 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 577.624363][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 577.624374][ T7723] Call Trace:
[ 577.624378][ T7723]
[ 577.624383][ T7723] dump_stack_lvl+0x16c/0x1f0
[ 577.624407][ T7723] should_fail_ex+0x512/0x640
[ 577.624422][ T7723] ? fs_reclaim_acquire+0xae/0x150
[ 577.624439][ T7723] should_failslab+0xc2/0x120
[ 577.624452][ T7723] __kvmalloc_node_noprof+0x137/0x620
[ 577.624465][ T7723] ? sbitmap_init_node+0x1ca/0x770
[ 577.624478][ T7723] ? sbitmap_init_node+0x1ca/0x770
[ 577.624487][ T7723] sbitmap_init_node+0x1ca/0x770
[ 577.624505][ T7723] sbitmap_queue_init_node+0x40/0x4a0
[ 577.624529][ T7723] blk_mq_init_tags+0x12d/0x2b0
[ 577.624567][ T7723] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 577.624592][ T7723] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 577.624606][ T7723] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 577.624619][ T7723] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 577.624632][ T7723] ? rcu_is_watching+0x12/0xc0
[ 577.624647][ T7723] ? trace_contention_end+0xdd/0x130
[ 577.624660][ T7723] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 577.624682][ T7723] ? __pfx_down_write+0x10/0x10
[ 577.624701][ T7723] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 577.624715][ T7723] nbd_start_device+0x1b0/0xd70
[ 577.624731][ T7723] ? bpf_lsm_capable+0x9/0x10
[ 577.624750][ T7723] nbd_ioctl+0x219/0xda0
[ 577.624764][ T7723] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 577.624782][ T7723] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.624795][ T7723] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 577.624818][ T7723] ? __pfx_nbd_ioctl+0x10/0x10
[ 577.624832][ T7723] blkdev_ioctl+0x274/0x6d0
[ 577.624843][ T7723] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.624853][ T7723] ? selinux_file_ioctl+0x180/0x270
[ 577.624868][ T7723] ? selinux_file_ioctl+0xb4/0x270
[ 577.624884][ T7723] ? __pfx_blkdev_ioctl+0x10/0x10
[ 577.624896][ T7723] __x64_sys_ioctl+0x18e/0x210
[ 577.624914][ T7723] do_syscall_64+0xcd/0x4e0
[ 577.624929][ T7723] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 577.624941][ T7723] RIP: 0033:0x7ff32d116569
[ 577.624951][ T7723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 577.624963][ T7723] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 577.624974][ T7723] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 577.624983][ T7723] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 577.624990][ T7723] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 577.624997][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 577.625004][ T7723] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 577.625019][ T7723]
[ 577.941051][ T7723] block nbd0: shutting down sockets
[ 578.070749][ T7726] block nbd0: Device being setup by another task
[ 578.077789][ T7725] FAULT_INJECTION: forcing a failure.
[ 578.077789][ T7725] name failslab, interval 1, probability 0, space 0, times 0
[ 578.090466][ T7725] CPU: 1 UID: 0 PID: 7725 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 578.090482][ T7725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 578.090489][ T7725] Call Trace:
[ 578.090494][ T7725]
[ 578.090499][ T7725] dump_stack_lvl+0x16c/0x1f0
[ 578.090518][ T7725] should_fail_ex+0x512/0x640
[ 578.090533][ T7725] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 578.090547][ T7725] should_failslab+0xc2/0x120
[ 578.090561][ T7725] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 578.090573][ T7725] ? __d_alloc+0x32/0xae0
[ 578.090590][ T7725] __d_alloc+0x32/0xae0
[ 578.090605][ T7725] d_alloc_parallel+0x111/0x1480
[ 578.090624][ T7725] ? mark_held_locks+0x49/0x80
[ 578.090642][ T7725] ? __lock_acquire+0x62e/0x1ce0
[ 578.090659][ T7725] ? __pfx_d_alloc_parallel+0x10/0x10
[ 578.090680][ T7725] ? lockdep_init_map_type+0x5c/0x280
[ 578.090691][ T7725] ? lockdep_init_map_type+0x5c/0x280
[ 578.090705][ T7725] __lookup_slow+0x193/0x460
[ 578.090722][ T7725] ? __pfx___lookup_slow+0x10/0x10
[ 578.090740][ T7725] ? memmap_init_range+0x980/0xa20
[ 578.090759][ T7725] ? memmap_init_range+0x980/0xa20
[ 578.090773][ T7725] ? d_lookup+0xe7/0x190
[ 578.090792][ T7725] lookup_noperm+0xe1/0x110
[ 578.090812][ T7725] simple_start_creating+0xd1/0x1b0
[ 578.090827][ T7725] start_creating.part.0+0x82/0x190
[ 578.090844][ T7725] __debugfs_create_file+0xa7/0x6b0
[ 578.090861][ T7725] debugfs_create_file_unsafe+0x3c/0x50
[ 578.090876][ T7725] debugfs_create_u64+0x70/0xa0
[ 578.090890][ T7725] nbd_start_device+0x46c/0xd70
[ 578.090907][ T7725] ? bpf_lsm_capable+0x9/0x10
[ 578.090928][ T7725] nbd_ioctl+0x219/0xda0
[ 578.090942][ T7725] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 578.090959][ T7725] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.090972][ T7725] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 578.090995][ T7725] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.091009][ T7725] blkdev_ioctl+0x274/0x6d0
[ 578.091021][ T7725] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.091031][ T7725] ? selinux_file_ioctl+0x180/0x270
[ 578.091046][ T7725] ? selinux_file_ioctl+0xb4/0x270
[ 578.091062][ T7725] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.091074][ T7725] __x64_sys_ioctl+0x18e/0x210
[ 578.091091][ T7725] do_syscall_64+0xcd/0x4e0
[ 578.091108][ T7725] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.091120][ T7725] RIP: 0033:0x7ff32d116569
[ 578.091131][ T7725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 578.091143][ T7725] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 578.091154][ T7725] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 578.091162][ T7725] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 578.091169][ T7725] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 578.091176][ T7725] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 578.091183][ T7725] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 578.091198][ T7725]
[ 578.452112][ T7725] block nbd0: shutting down sockets
[ 578.551730][ T7728] FAULT_INJECTION: forcing a failure.
[ 578.551730][ T7728] name failslab, interval 1, probability 0, space 0, times 0
[ 578.564431][ T7728] CPU: 0 UID: 0 PID: 7728 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 578.564447][ T7728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 578.564454][ T7728] Call Trace:
[ 578.564459][ T7728]
[ 578.564464][ T7728] dump_stack_lvl+0x16c/0x1f0
[ 578.564483][ T7728] should_fail_ex+0x512/0x640
[ 578.564497][ T7728] ? fs_reclaim_acquire+0xae/0x150
[ 578.564514][ T7728] should_failslab+0xc2/0x120
[ 578.564527][ T7728] __kvmalloc_node_noprof+0x137/0x620
[ 578.564540][ T7728] ? sbitmap_init_node+0x1ca/0x770
[ 578.564553][ T7728] ? sbitmap_init_node+0x1ca/0x770
[ 578.564563][ T7728] sbitmap_init_node+0x1ca/0x770
[ 578.564576][ T7728] sbitmap_queue_init_node+0x40/0x4a0
[ 578.564589][ T7728] blk_mq_init_tags+0x12d/0x2b0
[ 578.564606][ T7728] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 578.564625][ T7728] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 578.564639][ T7728] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 578.564652][ T7728] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 578.564665][ T7728] ? rcu_is_watching+0x12/0xc0
[ 578.564679][ T7728] ? trace_contention_end+0xdd/0x130
[ 578.564693][ T7728] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 578.564715][ T7728] ? __pfx_down_write+0x10/0x10
[ 578.564734][ T7728] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 578.564748][ T7728] nbd_start_device+0x1b0/0xd70
[ 578.564765][ T7728] ? bpf_lsm_capable+0x9/0x10
[ 578.564784][ T7728] nbd_ioctl+0x219/0xda0
[ 578.564798][ T7728] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 578.564816][ T7728] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.564828][ T7728] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 578.564852][ T7728] ? __pfx_nbd_ioctl+0x10/0x10
[ 578.564866][ T7728] blkdev_ioctl+0x274/0x6d0
[ 578.564877][ T7728] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.564887][ T7728] ? selinux_file_ioctl+0x180/0x270
[ 578.564902][ T7728] ? selinux_file_ioctl+0xb4/0x270
[ 578.564918][ T7728] ? __pfx_blkdev_ioctl+0x10/0x10
[ 578.564930][ T7728] __x64_sys_ioctl+0x18e/0x210
[ 578.564947][ T7728] do_syscall_64+0xcd/0x4e0
[ 578.564963][ T7728] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.564975][ T7728] RIP: 0033:0x7ff32d116569
[ 578.564984][ T7728] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 578.564996][ T7728] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 578.565007][ T7728] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 578.565016][ T7728] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 578.565023][ T7728] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 578.565030][ T7728] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 578.565043][ T7728] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 578.565058][ T7728]
[ 578.870939][ T7728] block nbd0: shutting down sockets
[ 578.990834][ T7731] block nbd0: Device being setup by another task
[ 578.997813][ T7730] FAULT_INJECTION: forcing a failure.
[ 578.997813][ T7730] name failslab, interval 1, probability 0, space 0, times 0
[ 579.010469][ T7730] CPU: 1 UID: 0 PID: 7730 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 579.010485][ T7730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 579.010493][ T7730] Call Trace:
[ 579.010497][ T7730]
[ 579.010502][ T7730] dump_stack_lvl+0x16c/0x1f0
[ 579.010520][ T7730] should_fail_ex+0x512/0x640
[ 579.010535][ T7730] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 579.010549][ T7730] should_failslab+0xc2/0x120
[ 579.010563][ T7730] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 579.010576][ T7730] ? __d_alloc+0x32/0xae0
[ 579.010592][ T7730] __d_alloc+0x32/0xae0
[ 579.010607][ T7730] d_alloc_parallel+0x111/0x1480
[ 579.010626][ T7730] ? mark_held_locks+0x49/0x80
[ 579.010644][ T7730] ? __lock_acquire+0x62e/0x1ce0
[ 579.010660][ T7730] ? __pfx_d_alloc_parallel+0x10/0x10
[ 579.010684][ T7730] ? lockdep_init_map_type+0x5c/0x280
[ 579.010703][ T7730] ? lockdep_init_map_type+0x5c/0x280
[ 579.010727][ T7730] __lookup_slow+0x193/0x460
[ 579.010746][ T7730] ? __pfx___lookup_slow+0x10/0x10
[ 579.010763][ T7730] ? memmap_init_range+0x980/0xa20
[ 579.010783][ T7730] ? memmap_init_range+0x980/0xa20
[ 579.010797][ T7730] ? d_lookup+0xe7/0x190
[ 579.010816][ T7730] lookup_noperm+0xe1/0x110
[ 579.010832][ T7730] simple_start_creating+0xd1/0x1b0
[ 579.010846][ T7730] start_creating.part.0+0x82/0x190
[ 579.010861][ T7730] __debugfs_create_file+0xa7/0x6b0
[ 579.010877][ T7730] debugfs_create_file_unsafe+0x3c/0x50
[ 579.010893][ T7730] debugfs_create_u64+0x70/0xa0
[ 579.010907][ T7730] nbd_start_device+0x46c/0xd70
[ 579.010923][ T7730] ? bpf_lsm_capable+0x9/0x10
[ 579.010942][ T7730] nbd_ioctl+0x219/0xda0
[ 579.010956][ T7730] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 579.010972][ T7730] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.010985][ T7730] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 579.011013][ T7730] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.011027][ T7730] blkdev_ioctl+0x274/0x6d0
[ 579.011039][ T7730] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.011049][ T7730] ? selinux_file_ioctl+0x180/0x270
[ 579.011064][ T7730] ? selinux_file_ioctl+0xb4/0x270
[ 579.011080][ T7730] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.011092][ T7730] __x64_sys_ioctl+0x18e/0x210
[ 579.011110][ T7730] do_syscall_64+0xcd/0x4e0
[ 579.011125][ T7730] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 579.011137][ T7730] RIP: 0033:0x7ff32d116569
[ 579.011147][ T7730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 579.011159][ T7730] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 579.011170][ T7730] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 579.011178][ T7730] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 579.011185][ T7730] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 579.011192][ T7730] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 579.011199][ T7730] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 579.011214][ T7730]
[ 579.416746][ T7730] block nbd0: shutting down sockets
[ 579.500799][ T7734] block nbd0: Device being setup by another task
[ 579.508000][ T7733] FAULT_INJECTION: forcing a failure.
[ 579.508000][ T7733] name failslab, interval 1, probability 0, space 0, times 0
[ 579.520608][ T7733] CPU: 0 UID: 0 PID: 7733 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 579.520634][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 579.520646][ T7733] Call Trace:
[ 579.520653][ T7733]
[ 579.520659][ T7733] dump_stack_lvl+0x16c/0x1f0
[ 579.520690][ T7733] should_fail_ex+0x512/0x640
[ 579.520715][ T7733] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 579.520738][ T7733] should_failslab+0xc2/0x120
[ 579.520760][ T7733] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 579.520781][ T7733] ? __d_alloc+0x32/0xae0
[ 579.520809][ T7733] __d_alloc+0x32/0xae0
[ 579.520833][ T7733] d_alloc_parallel+0x111/0x1480
[ 579.520867][ T7733] ? mark_held_locks+0x49/0x80
[ 579.520901][ T7733] ? __lock_acquire+0x62e/0x1ce0
[ 579.520934][ T7733] ? __pfx_d_alloc_parallel+0x10/0x10
[ 579.520969][ T7733] ? lockdep_init_map_type+0x5c/0x280
[ 579.520991][ T7733] ? lockdep_init_map_type+0x5c/0x280
[ 579.521017][ T7733] __lookup_slow+0x193/0x460
[ 579.521050][ T7733] ? __pfx___lookup_slow+0x10/0x10
[ 579.521085][ T7733] ? memmap_init_range+0x980/0xa20
[ 579.521120][ T7733] ? memmap_init_range+0x980/0xa20
[ 579.521148][ T7733] ? d_lookup+0xe7/0x190
[ 579.521185][ T7733] lookup_noperm+0xe1/0x110
[ 579.521222][ T7733] simple_start_creating+0xd1/0x1b0
[ 579.521249][ T7733] start_creating.part.0+0x82/0x190
[ 579.521277][ T7733] __debugfs_create_file+0xa7/0x6b0
[ 579.521308][ T7733] debugfs_create_file_unsafe+0x3c/0x50
[ 579.521335][ T7733] debugfs_create_u64+0x70/0xa0
[ 579.521362][ T7733] nbd_start_device+0x46c/0xd70
[ 579.521388][ T7733] ? bpf_lsm_capable+0x9/0x10
[ 579.521422][ T7733] nbd_ioctl+0x219/0xda0
[ 579.521448][ T7733] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 579.521477][ T7733] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.521498][ T7733] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 579.521536][ T7733] ? __pfx_nbd_ioctl+0x10/0x10
[ 579.521560][ T7733] blkdev_ioctl+0x274/0x6d0
[ 579.521579][ T7733] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.521596][ T7733] ? selinux_file_ioctl+0x180/0x270
[ 579.521621][ T7733] ? selinux_file_ioctl+0xb4/0x270
[ 579.521648][ T7733] ? __pfx_blkdev_ioctl+0x10/0x10
[ 579.521669][ T7733] __x64_sys_ioctl+0x18e/0x210
[ 579.521697][ T7733] do_syscall_64+0xcd/0x4e0
[ 579.521724][ T7733] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 579.521743][ T7733] RIP: 0033:0x7ff32d116569
[ 579.521758][ T7733] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 579.521777][ T7733] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 579.521794][ T7733] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 579.521807][ T7733] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 579.521818][ T7733] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 579.521831][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 579.521843][ T7733] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 579.521867][ T7733]
[ 579.926607][ T7733] block nbd0: shutting down sockets
[ 580.042202][ T7736] FAULT_INJECTION: forcing a failure.
[ 580.042202][ T7736] name failslab, interval 1, probability 0, space 0, times 0
[ 580.054870][ T7736] CPU: 1 UID: 0 PID: 7736 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 580.054887][ T7736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 580.054894][ T7736] Call Trace:
[ 580.054899][ T7736]
[ 580.054904][ T7736] dump_stack_lvl+0x16c/0x1f0
[ 580.054925][ T7736] should_fail_ex+0x512/0x640
[ 580.054939][ T7736] ? fs_reclaim_acquire+0xae/0x150
[ 580.054956][ T7736] should_failslab+0xc2/0x120
[ 580.054970][ T7736] __kvmalloc_node_noprof+0x137/0x620
[ 580.054982][ T7736] ? sbitmap_init_node+0x1ca/0x770
[ 580.054996][ T7736] ? sbitmap_init_node+0x1ca/0x770
[ 580.055005][ T7736] sbitmap_init_node+0x1ca/0x770
[ 580.055018][ T7736] sbitmap_queue_init_node+0x40/0x4a0
[ 580.055031][ T7736] blk_mq_init_tags+0x12d/0x2b0
[ 580.055048][ T7736] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 580.055067][ T7736] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 580.055081][ T7736] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 580.055094][ T7736] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 580.055107][ T7736] ? rcu_is_watching+0x12/0xc0
[ 580.055122][ T7736] ? trace_contention_end+0xdd/0x130
[ 580.055135][ T7736] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 580.055162][ T7736] ? __pfx_down_write+0x10/0x10
[ 580.055181][ T7736] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 580.055195][ T7736] nbd_start_device+0x1b0/0xd70
[ 580.055212][ T7736] ? bpf_lsm_capable+0x9/0x10
[ 580.055231][ T7736] nbd_ioctl+0x219/0xda0
[ 580.055245][ T7736] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 580.055262][ T7736] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.055275][ T7736] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 580.055298][ T7736] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.055312][ T7736] blkdev_ioctl+0x274/0x6d0
[ 580.055323][ T7736] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.055334][ T7736] ? selinux_file_ioctl+0x180/0x270
[ 580.055348][ T7736] ? selinux_file_ioctl+0xb4/0x270
[ 580.055364][ T7736] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.055376][ T7736] __x64_sys_ioctl+0x18e/0x210
[ 580.055393][ T7736] do_syscall_64+0xcd/0x4e0
[ 580.055409][ T7736] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.055421][ T7736] RIP: 0033:0x7ff32d116569
[ 580.055431][ T7736] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 580.055443][ T7736] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 580.055454][ T7736] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 580.055461][ T7736] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 580.055468][ T7736] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 580.055476][ T7736] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 580.055482][ T7736] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 580.055497][ T7736]
[ 580.361054][ T7736] block nbd0: shutting down sockets
[ 580.451897][ T7739] FAULT_INJECTION: forcing a failure.
[ 580.451897][ T7739] name failslab, interval 1, probability 0, space 0, times 0
[ 580.464543][ T7739] CPU: 0 UID: 0 PID: 7739 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 580.464570][ T7739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 580.464583][ T7739] Call Trace:
[ 580.464591][ T7739]
[ 580.464600][ T7739] dump_stack_lvl+0x16c/0x1f0
[ 580.464621][ T7739] should_fail_ex+0x512/0x640
[ 580.464637][ T7739] ? fs_reclaim_acquire+0xae/0x150
[ 580.464653][ T7739] should_failslab+0xc2/0x120
[ 580.464669][ T7739] __kvmalloc_node_noprof+0x137/0x620
[ 580.464682][ T7739] ? sbitmap_init_node+0x1ca/0x770
[ 580.464695][ T7739] ? sbitmap_init_node+0x1ca/0x770
[ 580.464705][ T7739] sbitmap_init_node+0x1ca/0x770
[ 580.464718][ T7739] sbitmap_queue_init_node+0x40/0x4a0
[ 580.464731][ T7739] blk_mq_init_tags+0x12d/0x2b0
[ 580.464748][ T7739] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 580.464767][ T7739] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 580.464781][ T7739] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 580.464795][ T7739] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 580.464808][ T7739] ? rcu_is_watching+0x12/0xc0
[ 580.464825][ T7739] ? trace_contention_end+0xdd/0x130
[ 580.464839][ T7739] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 580.464861][ T7739] ? __pfx_down_write+0x10/0x10
[ 580.464882][ T7739] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 580.464896][ T7739] nbd_start_device+0x1b0/0xd70
[ 580.464913][ T7739] ? bpf_lsm_capable+0x9/0x10
[ 580.464932][ T7739] nbd_ioctl+0x219/0xda0
[ 580.464947][ T7739] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 580.464964][ T7739] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.464977][ T7739] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 580.465000][ T7739] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.465014][ T7739] blkdev_ioctl+0x274/0x6d0
[ 580.465025][ T7739] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.465036][ T7739] ? selinux_file_ioctl+0x180/0x270
[ 580.465051][ T7739] ? selinux_file_ioctl+0xb4/0x270
[ 580.465067][ T7739] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.465079][ T7739] __x64_sys_ioctl+0x18e/0x210
[ 580.465096][ T7739] do_syscall_64+0xcd/0x4e0
[ 580.465112][ T7739] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.465129][ T7739] RIP: 0033:0x7ff32d116569
[ 580.465139][ T7739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 580.465151][ T7739] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 580.465162][ T7739] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 580.465170][ T7739] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 580.465177][ T7739] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 580.465185][ T7739] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 580.465191][ T7739] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 580.465206][ T7739]
[ 580.780928][ T7739] block nbd0: shutting down sockets
[ 580.881695][ T7741] FAULT_INJECTION: forcing a failure.
[ 580.881695][ T7741] name failslab, interval 1, probability 0, space 0, times 0
[ 580.894353][ T7741] CPU: 1 UID: 0 PID: 7741 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 580.894381][ T7741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 580.894390][ T7741] Call Trace:
[ 580.894394][ T7741]
[ 580.894399][ T7741] dump_stack_lvl+0x16c/0x1f0
[ 580.894419][ T7741] should_fail_ex+0x512/0x640
[ 580.894434][ T7741] ? fs_reclaim_acquire+0xae/0x150
[ 580.894450][ T7741] should_failslab+0xc2/0x120
[ 580.894464][ T7741] __kvmalloc_node_noprof+0x137/0x620
[ 580.894477][ T7741] ? sbitmap_init_node+0x1ca/0x770
[ 580.894490][ T7741] ? sbitmap_init_node+0x1ca/0x770
[ 580.894500][ T7741] sbitmap_init_node+0x1ca/0x770
[ 580.894513][ T7741] sbitmap_queue_init_node+0x40/0x4a0
[ 580.894526][ T7741] blk_mq_init_tags+0x12d/0x2b0
[ 580.894542][ T7741] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 580.894572][ T7741] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 580.894597][ T7741] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 580.894621][ T7741] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 580.894636][ T7741] ? rcu_is_watching+0x12/0xc0
[ 580.894651][ T7741] ? trace_contention_end+0xdd/0x130
[ 580.894665][ T7741] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 580.894687][ T7741] ? __pfx_down_write+0x10/0x10
[ 580.894706][ T7741] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 580.894720][ T7741] nbd_start_device+0x1b0/0xd70
[ 580.894738][ T7741] ? bpf_lsm_capable+0x9/0x10
[ 580.894758][ T7741] nbd_ioctl+0x219/0xda0
[ 580.894772][ T7741] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 580.894789][ T7741] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.894802][ T7741] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 580.894827][ T7741] ? __pfx_nbd_ioctl+0x10/0x10
[ 580.894842][ T7741] blkdev_ioctl+0x274/0x6d0
[ 580.894853][ T7741] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.894863][ T7741] ? selinux_file_ioctl+0x180/0x270
[ 580.894878][ T7741] ? selinux_file_ioctl+0xb4/0x270
[ 580.894894][ T7741] ? __pfx_blkdev_ioctl+0x10/0x10
[ 580.894906][ T7741] __x64_sys_ioctl+0x18e/0x210
[ 580.894923][ T7741] do_syscall_64+0xcd/0x4e0
[ 580.894939][ T7741] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 580.894951][ T7741] RIP: 0033:0x7ff32d116569
[ 580.894961][ T7741] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 580.894974][ T7741] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 580.894986][ T7741] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 580.894993][ T7741] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 580.895000][ T7741] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 580.895007][ T7741] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 580.895014][ T7741] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 580.895029][ T7741]
[ 581.292434][ T7741] block nbd0: shutting down sockets
[ 581.371679][ T7743] FAULT_INJECTION: forcing a failure.
[ 581.371679][ T7743] name failslab, interval 1, probability 0, space 0, times 0
[ 581.384317][ T7743] CPU: 0 UID: 0 PID: 7743 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 581.384334][ T7743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 581.384341][ T7743] Call Trace:
[ 581.384346][ T7743]
[ 581.384351][ T7743] dump_stack_lvl+0x16c/0x1f0
[ 581.384371][ T7743] should_fail_ex+0x512/0x640
[ 581.384385][ T7743] ? fs_reclaim_acquire+0xae/0x150
[ 581.384402][ T7743] should_failslab+0xc2/0x120
[ 581.384416][ T7743] __kvmalloc_node_noprof+0x137/0x620
[ 581.384429][ T7743] ? sbitmap_init_node+0x1ca/0x770
[ 581.384442][ T7743] ? sbitmap_init_node+0x1ca/0x770
[ 581.384451][ T7743] sbitmap_init_node+0x1ca/0x770
[ 581.384465][ T7743] sbitmap_queue_init_node+0x40/0x4a0
[ 581.384478][ T7743] blk_mq_init_tags+0x12d/0x2b0
[ 581.384494][ T7743] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 581.384514][ T7743] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 581.384528][ T7743] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 581.384542][ T7743] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 581.384555][ T7743] ? rcu_is_watching+0x12/0xc0
[ 581.384569][ T7743] ? trace_contention_end+0xdd/0x130
[ 581.384583][ T7743] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 581.384605][ T7743] ? __pfx_down_write+0x10/0x10
[ 581.384624][ T7743] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 581.384638][ T7743] nbd_start_device+0x1b0/0xd70
[ 581.384655][ T7743] ? bpf_lsm_capable+0x9/0x10
[ 581.384674][ T7743] nbd_ioctl+0x219/0xda0
[ 581.384689][ T7743] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 581.384706][ T7743] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.384718][ T7743] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 581.384742][ T7743] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.384756][ T7743] blkdev_ioctl+0x274/0x6d0
[ 581.384767][ T7743] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.384780][ T7743] ? selinux_file_ioctl+0x180/0x270
[ 581.384794][ T7743] ? selinux_file_ioctl+0xb4/0x270
[ 581.384810][ T7743] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.384822][ T7743] __x64_sys_ioctl+0x18e/0x210
[ 581.384840][ T7743] do_syscall_64+0xcd/0x4e0
[ 581.384856][ T7743] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.384868][ T7743] RIP: 0033:0x7ff32d116569
[ 581.384878][ T7743] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 581.384890][ T7743] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 581.384901][ T7743] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 581.384908][ T7743] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 581.384915][ T7743] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 581.384923][ T7743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 581.384929][ T7743] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 581.384944][ T7743]
[ 581.700924][ T7743] block nbd0: shutting down sockets
[ 581.820854][ T7746] block nbd0: Device being setup by another task
[ 581.827881][ T7745] FAULT_INJECTION: forcing a failure.
[ 581.827881][ T7745] name failslab, interval 1, probability 0, space 0, times 0
[ 581.840553][ T7745] CPU: 1 UID: 0 PID: 7745 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 581.840569][ T7745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 581.840576][ T7745] Call Trace:
[ 581.840581][ T7745]
[ 581.840586][ T7745] dump_stack_lvl+0x16c/0x1f0
[ 581.840605][ T7745] should_fail_ex+0x512/0x640
[ 581.840620][ T7745] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 581.840635][ T7745] should_failslab+0xc2/0x120
[ 581.840648][ T7745] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 581.840660][ T7745] ? __d_alloc+0x32/0xae0
[ 581.840682][ T7745] __d_alloc+0x32/0xae0
[ 581.840710][ T7745] d_alloc_parallel+0x111/0x1480
[ 581.840743][ T7745] ? mark_held_locks+0x49/0x80
[ 581.840762][ T7745] ? __lock_acquire+0x62e/0x1ce0
[ 581.840779][ T7745] ? __pfx_d_alloc_parallel+0x10/0x10
[ 581.840797][ T7745] ? lockdep_init_map_type+0x5c/0x280
[ 581.840809][ T7745] ? lockdep_init_map_type+0x5c/0x280
[ 581.840822][ T7745] __lookup_slow+0x193/0x460
[ 581.840839][ T7745] ? __pfx___lookup_slow+0x10/0x10
[ 581.840857][ T7745] ? memmap_init_range+0x980/0xa20
[ 581.840877][ T7745] ? memmap_init_range+0x980/0xa20
[ 581.840891][ T7745] ? d_lookup+0xe7/0x190
[ 581.840910][ T7745] lookup_noperm+0xe1/0x110
[ 581.840926][ T7745] simple_start_creating+0xd1/0x1b0
[ 581.840940][ T7745] start_creating.part.0+0x82/0x190
[ 581.840955][ T7745] __debugfs_create_file+0xa7/0x6b0
[ 581.840971][ T7745] debugfs_create_file_unsafe+0x3c/0x50
[ 581.840990][ T7745] debugfs_create_u64+0x70/0xa0
[ 581.841004][ T7745] nbd_start_device+0x46c/0xd70
[ 581.841021][ T7745] ? bpf_lsm_capable+0x9/0x10
[ 581.841040][ T7745] nbd_ioctl+0x219/0xda0
[ 581.841055][ T7745] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 581.841071][ T7745] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.841084][ T7745] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 581.841107][ T7745] ? __pfx_nbd_ioctl+0x10/0x10
[ 581.841121][ T7745] blkdev_ioctl+0x274/0x6d0
[ 581.841134][ T7745] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.841144][ T7745] ? selinux_file_ioctl+0x180/0x270
[ 581.841159][ T7745] ? selinux_file_ioctl+0xb4/0x270
[ 581.841175][ T7745] ? __pfx_blkdev_ioctl+0x10/0x10
[ 581.841187][ T7745] __x64_sys_ioctl+0x18e/0x210
[ 581.841204][ T7745] do_syscall_64+0xcd/0x4e0
[ 581.841221][ T7745] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 581.841233][ T7745] RIP: 0033:0x7ff32d116569
[ 581.841242][ T7745] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 581.841254][ T7745] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 581.841265][ T7745] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 581.841274][ T7745] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 581.841280][ T7745] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 581.841288][ T7745] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 581.841295][ T7745] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 581.841310][ T7745]
[ 582.247570][ T7745] block nbd0: shutting down sockets
[ 582.350862][ T7749] block nbd0: Device being setup by another task
[ 582.358165][ T7748] FAULT_INJECTION: forcing a failure.
[ 582.358165][ T7748] name failslab, interval 1, probability 0, space 0, times 0
[ 582.370864][ T7748] CPU: 1 UID: 0 PID: 7748 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 582.370888][ T7748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 582.370901][ T7748] Call Trace:
[ 582.370908][ T7748]
[ 582.370916][ T7748] dump_stack_lvl+0x16c/0x1f0
[ 582.370946][ T7748] should_fail_ex+0x512/0x640
[ 582.370971][ T7748] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 582.370998][ T7748] should_failslab+0xc2/0x120
[ 582.371023][ T7748] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 582.371046][ T7748] ? __d_alloc+0x32/0xae0
[ 582.371077][ T7748] __d_alloc+0x32/0xae0
[ 582.371106][ T7748] d_alloc_parallel+0x111/0x1480
[ 582.371141][ T7748] ? mark_held_locks+0x49/0x80
[ 582.371175][ T7748] ? __lock_acquire+0x62e/0x1ce0
[ 582.371208][ T7748] ? __pfx_d_alloc_parallel+0x10/0x10
[ 582.371243][ T7748] ? lockdep_init_map_type+0x5c/0x280
[ 582.371265][ T7748] ? lockdep_init_map_type+0x5c/0x280
[ 582.371291][ T7748] __lookup_slow+0x193/0x460
[ 582.371323][ T7748] ? __pfx___lookup_slow+0x10/0x10
[ 582.371357][ T7748] ? memmap_init_range+0x980/0xa20
[ 582.371392][ T7748] ? memmap_init_range+0x980/0xa20
[ 582.371417][ T7748] ? d_lookup+0xe7/0x190
[ 582.371449][ T7748] lookup_noperm+0xe1/0x110
[ 582.371478][ T7748] simple_start_creating+0xd1/0x1b0
[ 582.371504][ T7748] start_creating.part.0+0x82/0x190
[ 582.371528][ T7748] __debugfs_create_file+0xa7/0x6b0
[ 582.371555][ T7748] debugfs_create_file_unsafe+0x3c/0x50
[ 582.371581][ T7748] debugfs_create_u64+0x70/0xa0
[ 582.371604][ T7748] nbd_start_device+0x46c/0xd70
[ 582.371631][ T7748] ? bpf_lsm_capable+0x9/0x10
[ 582.371661][ T7748] nbd_ioctl+0x219/0xda0
[ 582.371692][ T7748] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 582.371719][ T7748] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.371741][ T7748] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 582.371778][ T7748] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.371802][ T7748] blkdev_ioctl+0x274/0x6d0
[ 582.371821][ T7748] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.371838][ T7748] ? selinux_file_ioctl+0x180/0x270
[ 582.371862][ T7748] ? selinux_file_ioctl+0xb4/0x270
[ 582.371889][ T7748] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.371908][ T7748] __x64_sys_ioctl+0x18e/0x210
[ 582.371937][ T7748] do_syscall_64+0xcd/0x4e0
[ 582.371962][ T7748] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.371980][ T7748] RIP: 0033:0x7ff32d116569
[ 582.371995][ T7748] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 582.372013][ T7748] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 582.372031][ T7748] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 582.372043][ T7748] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 582.372055][ T7748] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 582.372067][ T7748] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 582.372078][ T7748] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 582.372102][ T7748]
[ 582.730947][ T7748] block nbd0: shutting down sockets
[ 582.821846][ T7751] FAULT_INJECTION: forcing a failure.
[ 582.821846][ T7751] name failslab, interval 1, probability 0, space 0, times 0
[ 582.834506][ T7751] CPU: 1 UID: 0 PID: 7751 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 582.834532][ T7751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 582.834544][ T7751] Call Trace:
[ 582.834554][ T7751]
[ 582.834562][ T7751] dump_stack_lvl+0x16c/0x1f0
[ 582.834587][ T7751] should_fail_ex+0x512/0x640
[ 582.834601][ T7751] ? fs_reclaim_acquire+0xae/0x150
[ 582.834618][ T7751] should_failslab+0xc2/0x120
[ 582.834632][ T7751] __kvmalloc_node_noprof+0x137/0x620
[ 582.834654][ T7751] ? sbitmap_init_node+0x1ca/0x770
[ 582.834668][ T7751] ? sbitmap_init_node+0x1ca/0x770
[ 582.834677][ T7751] sbitmap_init_node+0x1ca/0x770
[ 582.834690][ T7751] sbitmap_queue_init_node+0x40/0x4a0
[ 582.834704][ T7751] blk_mq_init_tags+0x12d/0x2b0
[ 582.834720][ T7751] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 582.834740][ T7751] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 582.834754][ T7751] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 582.834768][ T7751] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 582.834781][ T7751] ? rcu_is_watching+0x12/0xc0
[ 582.834796][ T7751] ? trace_contention_end+0xdd/0x130
[ 582.834810][ T7751] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 582.834832][ T7751] ? __pfx_down_write+0x10/0x10
[ 582.834852][ T7751] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 582.834865][ T7751] nbd_start_device+0x1b0/0xd70
[ 582.834882][ T7751] ? bpf_lsm_capable+0x9/0x10
[ 582.834904][ T7751] nbd_ioctl+0x219/0xda0
[ 582.834920][ T7751] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 582.834937][ T7751] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.834950][ T7751] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 582.834973][ T7751] ? __pfx_nbd_ioctl+0x10/0x10
[ 582.834987][ T7751] blkdev_ioctl+0x274/0x6d0
[ 582.834998][ T7751] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.835008][ T7751] ? selinux_file_ioctl+0x180/0x270
[ 582.835023][ T7751] ? selinux_file_ioctl+0xb4/0x270
[ 582.835039][ T7751] ? __pfx_blkdev_ioctl+0x10/0x10
[ 582.835051][ T7751] __x64_sys_ioctl+0x18e/0x210
[ 582.835068][ T7751] do_syscall_64+0xcd/0x4e0
[ 582.835084][ T7751] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.835096][ T7751] RIP: 0033:0x7ff32d116569
[ 582.835106][ T7751] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 582.835118][ T7751] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 582.835129][ T7751] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 582.835137][ T7751] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 582.835144][ T7751] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 582.835151][ T7751] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 582.835158][ T7751] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 582.835173][ T7751]
[ 583.151164][ T7751] block nbd0: shutting down sockets
[ 583.231700][ T7753] FAULT_INJECTION: forcing a failure.
[ 583.231700][ T7753] name failslab, interval 1, probability 0, space 0, times 0
[ 583.244391][ T7753] CPU: 0 UID: 0 PID: 7753 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 583.244419][ T7753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 583.244427][ T7753] Call Trace:
[ 583.244433][ T7753]
[ 583.244439][ T7753] dump_stack_lvl+0x16c/0x1f0
[ 583.244458][ T7753] should_fail_ex+0x512/0x640
[ 583.244473][ T7753] ? fs_reclaim_acquire+0xae/0x150
[ 583.244490][ T7753] should_failslab+0xc2/0x120
[ 583.244504][ T7753] __kvmalloc_node_noprof+0x137/0x620
[ 583.244516][ T7753] ? sbitmap_init_node+0x1ca/0x770
[ 583.244530][ T7753] ? sbitmap_init_node+0x1ca/0x770
[ 583.244539][ T7753] sbitmap_init_node+0x1ca/0x770
[ 583.244553][ T7753] sbitmap_queue_init_node+0x40/0x4a0
[ 583.244566][ T7753] blk_mq_init_tags+0x12d/0x2b0
[ 583.244585][ T7753] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 583.244606][ T7753] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 583.244621][ T7753] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 583.244635][ T7753] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 583.244648][ T7753] ? rcu_is_watching+0x12/0xc0
[ 583.244663][ T7753] ? trace_contention_end+0xdd/0x130
[ 583.244677][ T7753] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 583.244699][ T7753] ? __pfx_down_write+0x10/0x10
[ 583.244718][ T7753] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 583.244732][ T7753] nbd_start_device+0x1b0/0xd70
[ 583.244749][ T7753] ? bpf_lsm_capable+0x9/0x10
[ 583.244768][ T7753] nbd_ioctl+0x219/0xda0
[ 583.244782][ T7753] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 583.244799][ T7753] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.244812][ T7753] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 583.244835][ T7753] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.244850][ T7753] blkdev_ioctl+0x274/0x6d0
[ 583.244868][ T7753] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.244878][ T7753] ? selinux_file_ioctl+0x180/0x270
[ 583.244893][ T7753] ? selinux_file_ioctl+0xb4/0x270
[ 583.244910][ T7753] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.244921][ T7753] __x64_sys_ioctl+0x18e/0x210
[ 583.244938][ T7753] do_syscall_64+0xcd/0x4e0
[ 583.244954][ T7753] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.244966][ T7753] RIP: 0033:0x7ff32d116569
[ 583.244976][ T7753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 583.244988][ T7753] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 583.244999][ T7753] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 583.245007][ T7753] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 583.245014][ T7753] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 583.245022][ T7753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 583.245028][ T7753] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 583.245043][ T7753]
[ 583.634741][ T7753] block nbd0: shutting down sockets
[ 583.731778][ T7755] FAULT_INJECTION: forcing a failure.
[ 583.731778][ T7755] name failslab, interval 1, probability 0, space 0, times 0
[ 583.744442][ T7755] CPU: 1 UID: 0 PID: 7755 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 583.744459][ T7755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 583.744466][ T7755] Call Trace:
[ 583.744471][ T7755]
[ 583.744476][ T7755] dump_stack_lvl+0x16c/0x1f0
[ 583.744495][ T7755] should_fail_ex+0x512/0x640
[ 583.744510][ T7755] ? fs_reclaim_acquire+0xae/0x150
[ 583.744527][ T7755] should_failslab+0xc2/0x120
[ 583.744541][ T7755] __kvmalloc_node_noprof+0x137/0x620
[ 583.744554][ T7755] ? sbitmap_init_node+0x1ca/0x770
[ 583.744568][ T7755] ? sbitmap_init_node+0x1ca/0x770
[ 583.744577][ T7755] sbitmap_init_node+0x1ca/0x770
[ 583.744590][ T7755] sbitmap_queue_init_node+0x40/0x4a0
[ 583.744603][ T7755] blk_mq_init_tags+0x12d/0x2b0
[ 583.744620][ T7755] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 583.744640][ T7755] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 583.744658][ T7755] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 583.744672][ T7755] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 583.744685][ T7755] ? rcu_is_watching+0x12/0xc0
[ 583.744700][ T7755] ? trace_contention_end+0xdd/0x130
[ 583.744714][ T7755] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 583.744735][ T7755] ? __pfx_down_write+0x10/0x10
[ 583.744755][ T7755] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 583.744769][ T7755] nbd_start_device+0x1b0/0xd70
[ 583.744786][ T7755] ? bpf_lsm_capable+0x9/0x10
[ 583.744805][ T7755] nbd_ioctl+0x219/0xda0
[ 583.744819][ T7755] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 583.744836][ T7755] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.744849][ T7755] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 583.744872][ T7755] ? __pfx_nbd_ioctl+0x10/0x10
[ 583.744886][ T7755] blkdev_ioctl+0x274/0x6d0
[ 583.744898][ T7755] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.744910][ T7755] ? selinux_file_ioctl+0x180/0x270
[ 583.744925][ T7755] ? selinux_file_ioctl+0xb4/0x270
[ 583.744941][ T7755] ? __pfx_blkdev_ioctl+0x10/0x10
[ 583.744953][ T7755] __x64_sys_ioctl+0x18e/0x210
[ 583.744970][ T7755] do_syscall_64+0xcd/0x4e0
[ 583.744986][ T7755] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 583.744998][ T7755] RIP: 0033:0x7ff32d116569
[ 583.745008][ T7755] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 583.745019][ T7755] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 583.745030][ T7755] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 583.745038][ T7755] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 583.745045][ T7755] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 583.745052][ T7755] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 583.745059][ T7755] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 583.745075][ T7755]
[ 584.134080][ T7755] block nbd0: shutting down sockets
[ 584.250833][ T7758] block nbd0: Device being setup by another task
[ 584.257836][ T7757] FAULT_INJECTION: forcing a failure.
[ 584.257836][ T7757] name failslab, interval 1, probability 0, space 0, times 0
[ 584.270470][ T7757] CPU: 0 UID: 0 PID: 7757 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 584.270486][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 584.270494][ T7757] Call Trace:
[ 584.270498][ T7757]
[ 584.270503][ T7757] dump_stack_lvl+0x16c/0x1f0
[ 584.270523][ T7757] should_fail_ex+0x512/0x640
[ 584.270539][ T7757] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 584.270555][ T7757] should_failslab+0xc2/0x120
[ 584.270568][ T7757] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 584.270580][ T7757] ? __d_alloc+0x32/0xae0
[ 584.270597][ T7757] __d_alloc+0x32/0xae0
[ 584.270612][ T7757] d_alloc_parallel+0x111/0x1480
[ 584.270630][ T7757] ? mark_held_locks+0x49/0x80
[ 584.270649][ T7757] ? __lock_acquire+0x62e/0x1ce0
[ 584.270666][ T7757] ? __pfx_d_alloc_parallel+0x10/0x10
[ 584.270694][ T7757] ? lockdep_init_map_type+0x5c/0x280
[ 584.270714][ T7757] ? lockdep_init_map_type+0x5c/0x280
[ 584.270735][ T7757] __lookup_slow+0x193/0x460
[ 584.270753][ T7757] ? __pfx___lookup_slow+0x10/0x10
[ 584.270771][ T7757] ? memmap_init_range+0x980/0xa20
[ 584.270800][ T7757] ? memmap_init_range+0x980/0xa20
[ 584.270822][ T7757] ? d_lookup+0xe7/0x190
[ 584.270853][ T7757] lookup_noperm+0xe1/0x110
[ 584.270883][ T7757] simple_start_creating+0xd1/0x1b0
[ 584.270898][ T7757] start_creating.part.0+0x82/0x190
[ 584.270914][ T7757] __debugfs_create_file+0xa7/0x6b0
[ 584.270929][ T7757] debugfs_create_file_unsafe+0x3c/0x50
[ 584.270945][ T7757] debugfs_create_u64+0x70/0xa0
[ 584.270959][ T7757] nbd_start_device+0x46c/0xd70
[ 584.270976][ T7757] ? bpf_lsm_capable+0x9/0x10
[ 584.270995][ T7757] nbd_ioctl+0x219/0xda0
[ 584.271010][ T7757] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 584.271026][ T7757] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.271039][ T7757] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 584.271062][ T7757] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.271077][ T7757] blkdev_ioctl+0x274/0x6d0
[ 584.271089][ T7757] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.271099][ T7757] ? selinux_file_ioctl+0x180/0x270
[ 584.271114][ T7757] ? selinux_file_ioctl+0xb4/0x270
[ 584.271130][ T7757] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.271142][ T7757] __x64_sys_ioctl+0x18e/0x210
[ 584.271159][ T7757] do_syscall_64+0xcd/0x4e0
[ 584.271175][ T7757] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.271187][ T7757] RIP: 0033:0x7ff32d116569
[ 584.271197][ T7757] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 584.271208][ T7757] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 584.271220][ T7757] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 584.271227][ T7757] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 584.271235][ T7757] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 584.271242][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 584.271249][ T7757] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 584.271264][ T7757]
[ 584.636471][ T7757] block nbd0: shutting down sockets
[ 584.740778][ T7761] block nbd0: Device being setup by another task
[ 584.748014][ T7760] FAULT_INJECTION: forcing a failure.
[ 584.748014][ T7760] name failslab, interval 1, probability 0, space 0, times 0
[ 584.760729][ T7760] CPU: 0 UID: 0 PID: 7760 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 584.760753][ T7760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 584.760762][ T7760] Call Trace:
[ 584.760769][ T7760]
[ 584.760777][ T7760] dump_stack_lvl+0x16c/0x1f0
[ 584.760804][ T7760] should_fail_ex+0x512/0x640
[ 584.760829][ T7760] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 584.760855][ T7760] should_failslab+0xc2/0x120
[ 584.760878][ T7760] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 584.760901][ T7760] ? __d_alloc+0x32/0xae0
[ 584.760932][ T7760] __d_alloc+0x32/0xae0
[ 584.760962][ T7760] d_alloc_parallel+0x111/0x1480
[ 584.760997][ T7760] ? mark_held_locks+0x49/0x80
[ 584.761030][ T7760] ? __lock_acquire+0x62e/0x1ce0
[ 584.761063][ T7760] ? __pfx_d_alloc_parallel+0x10/0x10
[ 584.761098][ T7760] ? lockdep_init_map_type+0x5c/0x280
[ 584.761119][ T7760] ? lockdep_init_map_type+0x5c/0x280
[ 584.761143][ T7760] __lookup_slow+0x193/0x460
[ 584.761177][ T7760] ? __pfx___lookup_slow+0x10/0x10
[ 584.761210][ T7760] ? memmap_init_range+0x980/0xa20
[ 584.761245][ T7760] ? memmap_init_range+0x980/0xa20
[ 584.761270][ T7760] ? d_lookup+0xe7/0x190
[ 584.761300][ T7760] lookup_noperm+0xe1/0x110
[ 584.761328][ T7760] simple_start_creating+0xd1/0x1b0
[ 584.761352][ T7760] start_creating.part.0+0x82/0x190
[ 584.761379][ T7760] __debugfs_create_file+0xa7/0x6b0
[ 584.761409][ T7760] debugfs_create_file_unsafe+0x3c/0x50
[ 584.761439][ T7760] debugfs_create_u64+0x70/0xa0
[ 584.761491][ T7760] nbd_start_device+0x46c/0xd70
[ 584.761521][ T7760] ? bpf_lsm_capable+0x9/0x10
[ 584.761556][ T7760] nbd_ioctl+0x219/0xda0
[ 584.761584][ T7760] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 584.761615][ T7760] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.761637][ T7760] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 584.761677][ T7760] ? __pfx_nbd_ioctl+0x10/0x10
[ 584.761703][ T7760] blkdev_ioctl+0x274/0x6d0
[ 584.761724][ T7760] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.761743][ T7760] ? selinux_file_ioctl+0x180/0x270
[ 584.761771][ T7760] ? selinux_file_ioctl+0xb4/0x270
[ 584.761803][ T7760] ? __pfx_blkdev_ioctl+0x10/0x10
[ 584.761825][ T7760] __x64_sys_ioctl+0x18e/0x210
[ 584.761859][ T7760] do_syscall_64+0xcd/0x4e0
[ 584.761889][ T7760] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 584.761910][ T7760] RIP: 0033:0x7ff32d116569
[ 584.761927][ T7760] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 584.761948][ T7760] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 584.761967][ T7760] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 584.761982][ T7760] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 584.761995][ T7760] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 584.762009][ T7760] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 584.762022][ T7760] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 584.762051][ T7760]
[ 585.090962][ T7760] block nbd0: shutting down sockets
[ 585.200850][ T7764] block nbd0: Device being setup by another task
[ 585.207753][ T7763] FAULT_INJECTION: forcing a failure.
[ 585.207753][ T7763] name failslab, interval 1, probability 0, space 0, times 0
[ 585.220382][ T7763] CPU: 1 UID: 0 PID: 7763 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 585.220398][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 585.220405][ T7763] Call Trace:
[ 585.220410][ T7763]
[ 585.220419][ T7763] dump_stack_lvl+0x16c/0x1f0
[ 585.220439][ T7763] should_fail_ex+0x512/0x640
[ 585.220453][ T7763] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 585.220468][ T7763] should_failslab+0xc2/0x120
[ 585.220482][ T7763] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 585.220494][ T7763] ? __d_alloc+0x32/0xae0
[ 585.220511][ T7763] __d_alloc+0x32/0xae0
[ 585.220526][ T7763] d_alloc_parallel+0x111/0x1480
[ 585.220545][ T7763] ? mark_held_locks+0x49/0x80
[ 585.220564][ T7763] ? __lock_acquire+0x62e/0x1ce0
[ 585.220581][ T7763] ? __pfx_d_alloc_parallel+0x10/0x10
[ 585.220599][ T7763] ? lockdep_init_map_type+0x5c/0x280
[ 585.220610][ T7763] ? lockdep_init_map_type+0x5c/0x280
[ 585.220624][ T7763] __lookup_slow+0x193/0x460
[ 585.220641][ T7763] ? __pfx___lookup_slow+0x10/0x10
[ 585.220659][ T7763] ? memmap_init_range+0x980/0xa20
[ 585.220689][ T7763] ? memmap_init_range+0x980/0xa20
[ 585.220715][ T7763] ? d_lookup+0xe7/0x190
[ 585.220742][ T7763] lookup_noperm+0xe1/0x110
[ 585.220758][ T7763] simple_start_creating+0xd1/0x1b0
[ 585.220774][ T7763] start_creating.part.0+0x82/0x190
[ 585.220789][ T7763] __debugfs_create_file+0xa7/0x6b0
[ 585.220808][ T7763] debugfs_create_file_unsafe+0x3c/0x50
[ 585.220824][ T7763] debugfs_create_u64+0x70/0xa0
[ 585.220838][ T7763] nbd_start_device+0x46c/0xd70
[ 585.220855][ T7763] ? bpf_lsm_capable+0x9/0x10
[ 585.220874][ T7763] nbd_ioctl+0x219/0xda0
[ 585.220888][ T7763] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.220905][ T7763] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.220917][ T7763] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.220941][ T7763] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.220955][ T7763] blkdev_ioctl+0x274/0x6d0
[ 585.220967][ T7763] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.220977][ T7763] ? selinux_file_ioctl+0x180/0x270
[ 585.220992][ T7763] ? selinux_file_ioctl+0xb4/0x270
[ 585.221008][ T7763] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.221020][ T7763] __x64_sys_ioctl+0x18e/0x210
[ 585.221037][ T7763] do_syscall_64+0xcd/0x4e0
[ 585.221053][ T7763] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.221064][ T7763] RIP: 0033:0x7ff32d116569
[ 585.221074][ T7763] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 585.221085][ T7763] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.221096][ T7763] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 585.221104][ T7763] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 585.221111][ T7763] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 585.221119][ T7763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 585.221126][ T7763] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.221141][ T7763]
[ 585.626927][ T7763] block nbd0: shutting down sockets
[ 585.721754][ T7766] FAULT_INJECTION: forcing a failure.
[ 585.721754][ T7766] name failslab, interval 1, probability 0, space 0, times 0
[ 585.734944][ T7766] CPU: 0 UID: 0 PID: 7766 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 585.734970][ T7766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 585.734981][ T7766] Call Trace:
[ 585.734988][ T7766]
[ 585.734996][ T7766] dump_stack_lvl+0x16c/0x1f0
[ 585.735028][ T7766] should_fail_ex+0x512/0x640
[ 585.735052][ T7766] ? fs_reclaim_acquire+0xae/0x150
[ 585.735082][ T7766] should_failslab+0xc2/0x120
[ 585.735107][ T7766] __kvmalloc_node_noprof+0x137/0x620
[ 585.735130][ T7766] ? sbitmap_init_node+0x1ca/0x770
[ 585.735156][ T7766] ? sbitmap_init_node+0x1ca/0x770
[ 585.735173][ T7766] sbitmap_init_node+0x1ca/0x770
[ 585.735198][ T7766] sbitmap_queue_init_node+0x40/0x4a0
[ 585.735224][ T7766] blk_mq_init_tags+0x12d/0x2b0
[ 585.735252][ T7766] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 585.735288][ T7766] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 585.735314][ T7766] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 585.735340][ T7766] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 585.735370][ T7766] ? rcu_is_watching+0x12/0xc0
[ 585.735395][ T7766] ? trace_contention_end+0xdd/0x130
[ 585.735418][ T7766] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 585.735454][ T7766] ? __pfx_down_write+0x10/0x10
[ 585.735481][ T7766] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 585.735495][ T7766] nbd_start_device+0x1b0/0xd70
[ 585.735511][ T7766] ? bpf_lsm_capable+0x9/0x10
[ 585.735531][ T7766] nbd_ioctl+0x219/0xda0
[ 585.735545][ T7766] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 585.735562][ T7766] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.735575][ T7766] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 585.735597][ T7766] ? __pfx_nbd_ioctl+0x10/0x10
[ 585.735614][ T7766] blkdev_ioctl+0x274/0x6d0
[ 585.735625][ T7766] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.735636][ T7766] ? selinux_file_ioctl+0x180/0x270
[ 585.735650][ T7766] ? selinux_file_ioctl+0xb4/0x270
[ 585.735667][ T7766] ? __pfx_blkdev_ioctl+0x10/0x10
[ 585.735679][ T7766] __x64_sys_ioctl+0x18e/0x210
[ 585.735696][ T7766] do_syscall_64+0xcd/0x4e0
[ 585.735712][ T7766] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 585.735723][ T7766] RIP: 0033:0x7ff32d116569
[ 585.735733][ T7766] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 585.735745][ T7766] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 585.735756][ T7766] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 585.735764][ T7766] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 585.735771][ T7766] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 585.735779][ T7766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 585.735786][ T7766] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 585.735801][ T7766]
[ 586.126033][ T7766] block nbd0: shutting down sockets
[ 586.221762][ T7768] FAULT_INJECTION: forcing a failure.
[ 586.221762][ T7768] name failslab, interval 1, probability 0, space 0, times 0
[ 586.234412][ T7768] CPU: 1 UID: 0 PID: 7768 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 586.234438][ T7768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 586.234447][ T7768] Call Trace:
[ 586.234452][ T7768]
[ 586.234457][ T7768] dump_stack_lvl+0x16c/0x1f0
[ 586.234476][ T7768] should_fail_ex+0x512/0x640
[ 586.234490][ T7768] ? fs_reclaim_acquire+0xae/0x150
[ 586.234508][ T7768] should_failslab+0xc2/0x120
[ 586.234521][ T7768] __kvmalloc_node_noprof+0x137/0x620
[ 586.234533][ T7768] ? sbitmap_init_node+0x1ca/0x770
[ 586.234547][ T7768] ? sbitmap_init_node+0x1ca/0x770
[ 586.234556][ T7768] sbitmap_init_node+0x1ca/0x770
[ 586.234571][ T7768] sbitmap_queue_init_node+0x40/0x4a0
[ 586.234584][ T7768] blk_mq_init_tags+0x12d/0x2b0
[ 586.234601][ T7768] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 586.234621][ T7768] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 586.234635][ T7768] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 586.234648][ T7768] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 586.234661][ T7768] ? rcu_is_watching+0x12/0xc0
[ 586.234676][ T7768] ? trace_contention_end+0xdd/0x130
[ 586.234690][ T7768] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 586.234711][ T7768] ? __pfx_down_write+0x10/0x10
[ 586.234731][ T7768] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 586.234745][ T7768] nbd_start_device+0x1b0/0xd70
[ 586.234762][ T7768] ? bpf_lsm_capable+0x9/0x10
[ 586.234782][ T7768] nbd_ioctl+0x219/0xda0
[ 586.234796][ T7768] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 586.234813][ T7768] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.234826][ T7768] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 586.234848][ T7768] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.234863][ T7768] blkdev_ioctl+0x274/0x6d0
[ 586.234873][ T7768] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.234884][ T7768] ? selinux_file_ioctl+0x180/0x270
[ 586.234898][ T7768] ? selinux_file_ioctl+0xb4/0x270
[ 586.234914][ T7768] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.234934][ T7768] __x64_sys_ioctl+0x18e/0x210
[ 586.234965][ T7768] do_syscall_64+0xcd/0x4e0
[ 586.234987][ T7768] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.234998][ T7768] RIP: 0033:0x7ff32d116569
[ 586.235008][ T7768] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 586.235020][ T7768] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 586.235031][ T7768] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 586.235039][ T7768] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 586.235046][ T7768] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 586.235054][ T7768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 586.235061][ T7768] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 586.235076][ T7768]
[ 586.550913][ T7768] block nbd0: shutting down sockets
[ 586.651722][ T7770] FAULT_INJECTION: forcing a failure.
[ 586.651722][ T7770] name failslab, interval 1, probability 0, space 0, times 0
[ 586.664415][ T7770] CPU: 0 UID: 0 PID: 7770 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 586.664444][ T7770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 586.664453][ T7770] Call Trace:
[ 586.664458][ T7770]
[ 586.664462][ T7770] dump_stack_lvl+0x16c/0x1f0
[ 586.664482][ T7770] should_fail_ex+0x512/0x640
[ 586.664497][ T7770] ? fs_reclaim_acquire+0xae/0x150
[ 586.664521][ T7770] should_failslab+0xc2/0x120
[ 586.664543][ T7770] __kmalloc_cache_node_noprof+0x6d/0x420
[ 586.664555][ T7770] ? lockdep_init_map_type+0x5c/0x280
[ 586.664566][ T7770] ? blk_mq_init_tags+0x87/0x2b0
[ 586.664583][ T7770] blk_mq_init_tags+0x87/0x2b0
[ 586.664598][ T7770] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 586.664618][ T7770] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 586.664632][ T7770] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 586.664670][ T7770] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 586.664683][ T7770] ? rcu_is_watching+0x12/0xc0
[ 586.664702][ T7770] ? trace_contention_end+0xdd/0x130
[ 586.664715][ T7770] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 586.664737][ T7770] ? __pfx_down_write+0x10/0x10
[ 586.664757][ T7770] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 586.664775][ T7770] nbd_start_device+0x1b0/0xd70
[ 586.664804][ T7770] ? bpf_lsm_capable+0x9/0x10
[ 586.664823][ T7770] nbd_ioctl+0x219/0xda0
[ 586.664837][ T7770] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 586.664854][ T7770] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.664867][ T7770] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 586.664890][ T7770] ? __pfx_nbd_ioctl+0x10/0x10
[ 586.664904][ T7770] blkdev_ioctl+0x274/0x6d0
[ 586.664915][ T7770] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.664925][ T7770] ? selinux_file_ioctl+0x180/0x270
[ 586.664940][ T7770] ? selinux_file_ioctl+0xb4/0x270
[ 586.664956][ T7770] ? __pfx_blkdev_ioctl+0x10/0x10
[ 586.664967][ T7770] __x64_sys_ioctl+0x18e/0x210
[ 586.664985][ T7770] do_syscall_64+0xcd/0x4e0
[ 586.665001][ T7770] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.665012][ T7770] RIP: 0033:0x7ff32d116569
[ 586.665022][ T7770] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 586.665033][ T7770] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 586.665048][ T7770] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 586.665056][ T7770] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 586.665062][ T7770] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 586.665069][ T7770] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 586.665076][ T7770] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 586.665091][ T7770]
[ 586.960935][ T7770] block nbd0: shutting down sockets
[ 587.061883][ T7772] FAULT_INJECTION: forcing a failure.
[ 587.061883][ T7772] name failslab, interval 1, probability 0, space 0, times 0
[ 587.074556][ T7772] CPU: 0 UID: 0 PID: 7772 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 587.074582][ T7772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 587.074593][ T7772] Call Trace:
[ 587.074600][ T7772]
[ 587.074609][ T7772] dump_stack_lvl+0x16c/0x1f0
[ 587.074633][ T7772] should_fail_ex+0x512/0x640
[ 587.074649][ T7772] ? fs_reclaim_acquire+0xae/0x150
[ 587.074666][ T7772] should_failslab+0xc2/0x120
[ 587.074679][ T7772] __kvmalloc_node_noprof+0x137/0x620
[ 587.074692][ T7772] ? sbitmap_init_node+0x1ca/0x770
[ 587.074706][ T7772] ? sbitmap_init_node+0x1ca/0x770
[ 587.074715][ T7772] sbitmap_init_node+0x1ca/0x770
[ 587.074728][ T7772] sbitmap_queue_init_node+0x40/0x4a0
[ 587.074741][ T7772] blk_mq_init_tags+0x12d/0x2b0
[ 587.074758][ T7772] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 587.074778][ T7772] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 587.074792][ T7772] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 587.074805][ T7772] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 587.074821][ T7772] ? rcu_is_watching+0x12/0xc0
[ 587.074839][ T7772] ? trace_contention_end+0xdd/0x130
[ 587.074854][ T7772] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 587.074876][ T7772] ? __pfx_down_write+0x10/0x10
[ 587.074896][ T7772] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 587.074910][ T7772] nbd_start_device+0x1b0/0xd70
[ 587.074927][ T7772] ? bpf_lsm_capable+0x9/0x10
[ 587.074946][ T7772] nbd_ioctl+0x219/0xda0
[ 587.074961][ T7772] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 587.074978][ T7772] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.074991][ T7772] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 587.075014][ T7772] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.075028][ T7772] blkdev_ioctl+0x274/0x6d0
[ 587.075040][ T7772] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.075050][ T7772] ? selinux_file_ioctl+0x180/0x270
[ 587.075065][ T7772] ? selinux_file_ioctl+0xb4/0x270
[ 587.075081][ T7772] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.075093][ T7772] __x64_sys_ioctl+0x18e/0x210
[ 587.075110][ T7772] do_syscall_64+0xcd/0x4e0
[ 587.075126][ T7772] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.075138][ T7772] RIP: 0033:0x7ff32d116569
[ 587.075148][ T7772] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 587.075159][ T7772] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 587.075170][ T7772] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 587.075178][ T7772] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 587.075185][ T7772] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 587.075192][ T7772] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 587.075199][ T7772] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 587.075214][ T7772]
[ 587.390992][ T7772] block nbd0: shutting down sockets
[ 587.501813][ T7774] FAULT_INJECTION: forcing a failure.
[ 587.501813][ T7774] name failslab, interval 1, probability 0, space 0, times 0
[ 587.514481][ T7774] CPU: 1 UID: 0 PID: 7774 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 587.514507][ T7774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 587.514514][ T7774] Call Trace:
[ 587.514519][ T7774]
[ 587.514524][ T7774] dump_stack_lvl+0x16c/0x1f0
[ 587.514542][ T7774] should_fail_ex+0x512/0x640
[ 587.514558][ T7774] ? fs_reclaim_acquire+0xae/0x150
[ 587.514575][ T7774] should_failslab+0xc2/0x120
[ 587.514589][ T7774] __kvmalloc_node_noprof+0x137/0x620
[ 587.514602][ T7774] ? sbitmap_init_node+0x1ca/0x770
[ 587.514615][ T7774] ? sbitmap_init_node+0x1ca/0x770
[ 587.514625][ T7774] sbitmap_init_node+0x1ca/0x770
[ 587.514638][ T7774] sbitmap_queue_init_node+0x40/0x4a0
[ 587.514651][ T7774] blk_mq_init_tags+0x12d/0x2b0
[ 587.514667][ T7774] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 587.514687][ T7774] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 587.514700][ T7774] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 587.514717][ T7774] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 587.514730][ T7774] ? rcu_is_watching+0x12/0xc0
[ 587.514745][ T7774] ? trace_contention_end+0xdd/0x130
[ 587.514758][ T7774] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 587.514780][ T7774] ? __pfx_down_write+0x10/0x10
[ 587.514799][ T7774] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 587.514813][ T7774] nbd_start_device+0x1b0/0xd70
[ 587.514830][ T7774] ? bpf_lsm_capable+0x9/0x10
[ 587.514849][ T7774] nbd_ioctl+0x219/0xda0
[ 587.514863][ T7774] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 587.514881][ T7774] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.514893][ T7774] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 587.514916][ T7774] ? __pfx_nbd_ioctl+0x10/0x10
[ 587.514930][ T7774] blkdev_ioctl+0x274/0x6d0
[ 587.514942][ T7774] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.514957][ T7774] ? selinux_file_ioctl+0x180/0x270
[ 587.514972][ T7774] ? selinux_file_ioctl+0xb4/0x270
[ 587.514989][ T7774] ? __pfx_blkdev_ioctl+0x10/0x10
[ 587.515000][ T7774] __x64_sys_ioctl+0x18e/0x210
[ 587.515017][ T7774] do_syscall_64+0xcd/0x4e0
[ 587.515033][ T7774] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 587.515045][ T7774] RIP: 0033:0x7ff32d116569
[ 587.515055][ T7774] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 587.515067][ T7774] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 587.515078][ T7774] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 587.515085][ T7774] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 587.515092][ T7774] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 587.515100][ T7774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 587.515106][ T7774] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 587.515122][ T7774]
[ 587.904762][ T7774] block nbd0: shutting down sockets
[ 588.001682][ T7776] FAULT_INJECTION: forcing a failure.
[ 588.001682][ T7776] name failslab, interval 1, probability 0, space 0, times 0
[ 588.014477][ T7776] CPU: 1 UID: 0 PID: 7776 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 588.014503][ T7776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 588.014514][ T7776] Call Trace:
[ 588.014521][ T7776]
[ 588.014529][ T7776] dump_stack_lvl+0x16c/0x1f0
[ 588.014558][ T7776] should_fail_ex+0x512/0x640
[ 588.014583][ T7776] ? fs_reclaim_acquire+0xae/0x150
[ 588.014613][ T7776] should_failslab+0xc2/0x120
[ 588.014638][ T7776] __kvmalloc_node_noprof+0x137/0x620
[ 588.014660][ T7776] ? sbitmap_init_node+0x1ca/0x770
[ 588.014685][ T7776] ? sbitmap_init_node+0x1ca/0x770
[ 588.014702][ T7776] sbitmap_init_node+0x1ca/0x770
[ 588.014727][ T7776] sbitmap_queue_init_node+0x40/0x4a0
[ 588.014752][ T7776] blk_mq_init_tags+0x12d/0x2b0
[ 588.014780][ T7776] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 588.014817][ T7776] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 588.014842][ T7776] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 588.014868][ T7776] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 588.014892][ T7776] ? rcu_is_watching+0x12/0xc0
[ 588.014918][ T7776] ? trace_contention_end+0xdd/0x130
[ 588.014943][ T7776] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 588.014983][ T7776] ? __pfx_down_write+0x10/0x10
[ 588.015020][ T7776] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 588.015046][ T7776] nbd_start_device+0x1b0/0xd70
[ 588.015076][ T7776] ? bpf_lsm_capable+0x9/0x10
[ 588.015110][ T7776] nbd_ioctl+0x219/0xda0
[ 588.015138][ T7776] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 588.015178][ T7776] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.015203][ T7776] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 588.015245][ T7776] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.015273][ T7776] blkdev_ioctl+0x274/0x6d0
[ 588.015293][ T7776] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.015310][ T7776] ? selinux_file_ioctl+0x180/0x270
[ 588.015337][ T7776] ? selinux_file_ioctl+0xb4/0x270
[ 588.015367][ T7776] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.015389][ T7776] __x64_sys_ioctl+0x18e/0x210
[ 588.015418][ T7776] do_syscall_64+0xcd/0x4e0
[ 588.015445][ T7776] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.015463][ T7776] RIP: 0033:0x7ff32d116569
[ 588.015478][ T7776] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 588.015497][ T7776] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 588.015515][ T7776] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 588.015528][ T7776] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 588.015539][ T7776] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 588.015552][ T7776] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 588.015563][ T7776] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 588.015588][ T7776]
[ 588.337763][ T7776] block nbd0: shutting down sockets
[ 588.422196][ T7778] FAULT_INJECTION: forcing a failure.
[ 588.422196][ T7778] name failslab, interval 1, probability 0, space 0, times 0
[ 588.434838][ T7778] CPU: 1 UID: 0 PID: 7778 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 588.434855][ T7778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 588.434863][ T7778] Call Trace:
[ 588.434870][ T7778]
[ 588.434875][ T7778] dump_stack_lvl+0x16c/0x1f0
[ 588.434895][ T7778] should_fail_ex+0x512/0x640
[ 588.434910][ T7778] ? fs_reclaim_acquire+0xae/0x150
[ 588.434927][ T7778] should_failslab+0xc2/0x120
[ 588.434941][ T7778] __kvmalloc_node_noprof+0x137/0x620
[ 588.434954][ T7778] ? sbitmap_init_node+0x1ca/0x770
[ 588.434972][ T7778] ? sbitmap_init_node+0x1ca/0x770
[ 588.434981][ T7778] sbitmap_init_node+0x1ca/0x770
[ 588.434995][ T7778] sbitmap_queue_init_node+0x40/0x4a0
[ 588.435008][ T7778] blk_mq_init_tags+0x12d/0x2b0
[ 588.435025][ T7778] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 588.435045][ T7778] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 588.435059][ T7778] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 588.435072][ T7778] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 588.435085][ T7778] ? rcu_is_watching+0x12/0xc0
[ 588.435100][ T7778] ? trace_contention_end+0xdd/0x130
[ 588.435119][ T7778] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 588.435141][ T7778] ? __pfx_down_write+0x10/0x10
[ 588.435160][ T7778] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 588.435174][ T7778] nbd_start_device+0x1b0/0xd70
[ 588.435191][ T7778] ? bpf_lsm_capable+0x9/0x10
[ 588.435210][ T7778] nbd_ioctl+0x219/0xda0
[ 588.435227][ T7778] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 588.435261][ T7778] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.435284][ T7778] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 588.435311][ T7778] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.435326][ T7778] blkdev_ioctl+0x274/0x6d0
[ 588.435337][ T7778] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.435348][ T7778] ? selinux_file_ioctl+0x180/0x270
[ 588.435364][ T7778] ? selinux_file_ioctl+0xb4/0x270
[ 588.435380][ T7778] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.435392][ T7778] __x64_sys_ioctl+0x18e/0x210
[ 588.435409][ T7778] do_syscall_64+0xcd/0x4e0
[ 588.435425][ T7778] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.435438][ T7778] RIP: 0033:0x7ff32d116569
[ 588.435448][ T7778] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 588.435459][ T7778] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 588.435470][ T7778] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 588.435478][ T7778] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 588.435485][ T7778] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 588.435493][ T7778] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 588.435499][ T7778] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 588.435515][ T7778]
[ 588.740947][ T7778] block nbd0: shutting down sockets
[ 588.851377][ T7780] FAULT_INJECTION: forcing a failure.
[ 588.851377][ T7780] name failslab, interval 1, probability 0, space 0, times 0
[ 588.864033][ T7780] CPU: 0 UID: 0 PID: 7780 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 588.864049][ T7780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 588.864056][ T7780] Call Trace:
[ 588.864061][ T7780]
[ 588.864067][ T7780] dump_stack_lvl+0x16c/0x1f0
[ 588.864087][ T7780] should_fail_ex+0x512/0x640
[ 588.864102][ T7780] ? fs_reclaim_acquire+0xae/0x150
[ 588.864118][ T7780] should_failslab+0xc2/0x120
[ 588.864132][ T7780] __kvmalloc_node_noprof+0x137/0x620
[ 588.864144][ T7780] ? sbitmap_init_node+0x1ca/0x770
[ 588.864158][ T7780] ? sbitmap_init_node+0x1ca/0x770
[ 588.864167][ T7780] sbitmap_init_node+0x1ca/0x770
[ 588.864180][ T7780] sbitmap_queue_init_node+0x40/0x4a0
[ 588.864193][ T7780] blk_mq_init_tags+0x12d/0x2b0
[ 588.864210][ T7780] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 588.864229][ T7780] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 588.864243][ T7780] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 588.864257][ T7780] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 588.864270][ T7780] ? rcu_is_watching+0x12/0xc0
[ 588.864284][ T7780] ? trace_contention_end+0xdd/0x130
[ 588.864298][ T7780] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 588.864319][ T7780] ? __pfx_down_write+0x10/0x10
[ 588.864347][ T7780] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 588.864361][ T7780] nbd_start_device+0x1b0/0xd70
[ 588.864378][ T7780] ? bpf_lsm_capable+0x9/0x10
[ 588.864397][ T7780] nbd_ioctl+0x219/0xda0
[ 588.864411][ T7780] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 588.864428][ T7780] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.864441][ T7780] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 588.864463][ T7780] ? __pfx_nbd_ioctl+0x10/0x10
[ 588.864478][ T7780] blkdev_ioctl+0x274/0x6d0
[ 588.864489][ T7780] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.864502][ T7780] ? selinux_file_ioctl+0x180/0x270
[ 588.864528][ T7780] ? selinux_file_ioctl+0xb4/0x270
[ 588.864558][ T7780] ? __pfx_blkdev_ioctl+0x10/0x10
[ 588.864571][ T7780] __x64_sys_ioctl+0x18e/0x210
[ 588.864588][ T7780] do_syscall_64+0xcd/0x4e0
[ 588.864604][ T7780] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.864616][ T7780] RIP: 0033:0x7ff32d116569
[ 588.864626][ T7780] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 588.864637][ T7780] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 588.864648][ T7780] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 588.864656][ T7780] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 588.864663][ T7780] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 588.864670][ T7780] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 588.864677][ T7780] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 588.864692][ T7780]
[ 589.205313][ T7780] block nbd0: shutting down sockets
[ 589.331419][ T7783] FAULT_INJECTION: forcing a failure.
[ 589.331419][ T7783] name failslab, interval 1, probability 0, space 0, times 0
[ 589.344106][ T7783] CPU: 1 UID: 0 PID: 7783 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 589.344132][ T7783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 589.344144][ T7783] Call Trace:
[ 589.344148][ T7783]
[ 589.344153][ T7783] dump_stack_lvl+0x16c/0x1f0
[ 589.344173][ T7783] should_fail_ex+0x512/0x640
[ 589.344188][ T7783] ? fs_reclaim_acquire+0xae/0x150
[ 589.344205][ T7783] should_failslab+0xc2/0x120
[ 589.344218][ T7783] __kvmalloc_node_noprof+0x137/0x620
[ 589.344231][ T7783] ? sbitmap_init_node+0x1ca/0x770
[ 589.344244][ T7783] ? sbitmap_init_node+0x1ca/0x770
[ 589.344254][ T7783] sbitmap_init_node+0x1ca/0x770
[ 589.344267][ T7783] sbitmap_queue_init_node+0x40/0x4a0
[ 589.344285][ T7783] blk_mq_init_tags+0x12d/0x2b0
[ 589.344302][ T7783] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 589.344321][ T7783] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 589.344335][ T7783] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 589.344349][ T7783] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 589.344361][ T7783] ? rcu_is_watching+0x12/0xc0
[ 589.344376][ T7783] ? trace_contention_end+0xdd/0x130
[ 589.344390][ T7783] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 589.344412][ T7783] ? __pfx_down_write+0x10/0x10
[ 589.344431][ T7783] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 589.344445][ T7783] nbd_start_device+0x1b0/0xd70
[ 589.344462][ T7783] ? bpf_lsm_capable+0x9/0x10
[ 589.344481][ T7783] nbd_ioctl+0x219/0xda0
[ 589.344496][ T7783] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 589.344513][ T7783] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.344526][ T7783] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 589.344551][ T7783] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.344566][ T7783] blkdev_ioctl+0x274/0x6d0
[ 589.344577][ T7783] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.344587][ T7783] ? selinux_file_ioctl+0x180/0x270
[ 589.344602][ T7783] ? selinux_file_ioctl+0xb4/0x270
[ 589.344618][ T7783] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.344630][ T7783] __x64_sys_ioctl+0x18e/0x210
[ 589.344647][ T7783] do_syscall_64+0xcd/0x4e0
[ 589.344663][ T7783] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.344675][ T7783] RIP: 0033:0x7ff32d116569
[ 589.344685][ T7783] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 589.344697][ T7783] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 589.344708][ T7783] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 589.344716][ T7783] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 589.344722][ T7783] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 589.344730][ T7783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 589.344737][ T7783] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 589.344752][ T7783]
[ 589.706429][ T7783] block nbd0: shutting down sockets
[ 589.791657][ T7786] FAULT_INJECTION: forcing a failure.
[ 589.791657][ T7786] name failslab, interval 1, probability 0, space 0, times 0
[ 589.804323][ T7786] CPU: 0 UID: 0 PID: 7786 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 589.804348][ T7786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 589.804362][ T7786] Call Trace:
[ 589.804370][ T7786]
[ 589.804376][ T7786] dump_stack_lvl+0x16c/0x1f0
[ 589.804394][ T7786] should_fail_ex+0x512/0x640
[ 589.804410][ T7786] ? fs_reclaim_acquire+0xae/0x150
[ 589.804426][ T7786] should_failslab+0xc2/0x120
[ 589.804441][ T7786] __kvmalloc_node_noprof+0x137/0x620
[ 589.804453][ T7786] ? sbitmap_init_node+0x1ca/0x770
[ 589.804467][ T7786] ? sbitmap_init_node+0x1ca/0x770
[ 589.804476][ T7786] sbitmap_init_node+0x1ca/0x770
[ 589.804489][ T7786] sbitmap_queue_init_node+0x40/0x4a0
[ 589.804503][ T7786] blk_mq_init_tags+0x12d/0x2b0
[ 589.804519][ T7786] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 589.804539][ T7786] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 589.804553][ T7786] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 589.804567][ T7786] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 589.804579][ T7786] ? rcu_is_watching+0x12/0xc0
[ 589.804594][ T7786] ? trace_contention_end+0xdd/0x130
[ 589.804608][ T7786] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 589.804629][ T7786] ? __pfx_down_write+0x10/0x10
[ 589.804649][ T7786] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 589.804663][ T7786] nbd_start_device+0x1b0/0xd70
[ 589.804680][ T7786] ? bpf_lsm_capable+0x9/0x10
[ 589.804699][ T7786] nbd_ioctl+0x219/0xda0
[ 589.804713][ T7786] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 589.804731][ T7786] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.804744][ T7786] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 589.804767][ T7786] ? __pfx_nbd_ioctl+0x10/0x10
[ 589.804781][ T7786] blkdev_ioctl+0x274/0x6d0
[ 589.804792][ T7786] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.804802][ T7786] ? selinux_file_ioctl+0x180/0x270
[ 589.804817][ T7786] ? selinux_file_ioctl+0xb4/0x270
[ 589.804833][ T7786] ? __pfx_blkdev_ioctl+0x10/0x10
[ 589.804845][ T7786] __x64_sys_ioctl+0x18e/0x210
[ 589.804862][ T7786] do_syscall_64+0xcd/0x4e0
[ 589.804878][ T7786] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.804890][ T7786] RIP: 0033:0x7ff32d116569
[ 589.804901][ T7786] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 589.804912][ T7786] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 589.804923][ T7786] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 589.804931][ T7786] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 589.804938][ T7786] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 589.804945][ T7786] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 589.804952][ T7786] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 589.804967][ T7786]
[ 590.202807][ T7786] block nbd0: shutting down sockets
[ 590.320747][ T7789] block nbd0: Device being setup by another task
[ 590.327736][ T7788] FAULT_INJECTION: forcing a failure.
[ 590.327736][ T7788] name failslab, interval 1, probability 0, space 0, times 0
[ 590.340376][ T7788] CPU: 1 UID: 0 PID: 7788 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 590.340401][ T7788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 590.340412][ T7788] Call Trace:
[ 590.340418][ T7788]
[ 590.340427][ T7788] dump_stack_lvl+0x16c/0x1f0
[ 590.340447][ T7788] should_fail_ex+0x512/0x640
[ 590.340462][ T7788] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 590.340477][ T7788] should_failslab+0xc2/0x120
[ 590.340490][ T7788] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 590.340503][ T7788] ? __d_alloc+0x32/0xae0
[ 590.340520][ T7788] __d_alloc+0x32/0xae0
[ 590.340535][ T7788] d_alloc_parallel+0x111/0x1480
[ 590.340553][ T7788] ? mark_held_locks+0x49/0x80
[ 590.340572][ T7788] ? __lock_acquire+0x62e/0x1ce0
[ 590.340589][ T7788] ? __pfx_d_alloc_parallel+0x10/0x10
[ 590.340607][ T7788] ? lockdep_init_map_type+0x5c/0x280
[ 590.340619][ T7788] ? lockdep_init_map_type+0x5c/0x280
[ 590.340632][ T7788] __lookup_slow+0x193/0x460
[ 590.340649][ T7788] ? __pfx___lookup_slow+0x10/0x10
[ 590.340667][ T7788] ? memmap_init_range+0x980/0xa20
[ 590.340696][ T7788] ? memmap_init_range+0x980/0xa20
[ 590.340722][ T7788] ? d_lookup+0xe7/0x190
[ 590.340756][ T7788] lookup_noperm+0xe1/0x110
[ 590.340782][ T7788] simple_start_creating+0xd1/0x1b0
[ 590.340796][ T7788] start_creating.part.0+0x82/0x190
[ 590.340811][ T7788] __debugfs_create_file+0xa7/0x6b0
[ 590.340827][ T7788] debugfs_create_file_unsafe+0x3c/0x50
[ 590.340843][ T7788] debugfs_create_u64+0x70/0xa0
[ 590.340857][ T7788] nbd_start_device+0x46c/0xd70
[ 590.340873][ T7788] ? bpf_lsm_capable+0x9/0x10
[ 590.340898][ T7788] nbd_ioctl+0x219/0xda0
[ 590.340912][ T7788] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 590.340933][ T7788] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.340946][ T7788] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 590.340969][ T7788] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.340983][ T7788] blkdev_ioctl+0x274/0x6d0
[ 590.340995][ T7788] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.341006][ T7788] ? selinux_file_ioctl+0x180/0x270
[ 590.341020][ T7788] ? selinux_file_ioctl+0xb4/0x270
[ 590.341037][ T7788] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.341048][ T7788] __x64_sys_ioctl+0x18e/0x210
[ 590.341066][ T7788] do_syscall_64+0xcd/0x4e0
[ 590.341082][ T7788] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.341093][ T7788] RIP: 0033:0x7ff32d116569
[ 590.341103][ T7788] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 590.341114][ T7788] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 590.341125][ T7788] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 590.341133][ T7788] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 590.341140][ T7788] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 590.341147][ T7788] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 590.341154][ T7788] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 590.341170][ T7788]
[ 590.670981][ T7788] block nbd0: shutting down sockets
[ 590.790752][ T7792] block nbd0: Device being setup by another task
[ 590.797775][ T7791] FAULT_INJECTION: forcing a failure.
[ 590.797775][ T7791] name failslab, interval 1, probability 0, space 0, times 0
[ 590.810443][ T7791] CPU: 1 UID: 0 PID: 7791 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 590.810466][ T7791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 590.810478][ T7791] Call Trace:
[ 590.810486][ T7791]
[ 590.810492][ T7791] dump_stack_lvl+0x16c/0x1f0
[ 590.810522][ T7791] should_fail_ex+0x512/0x640
[ 590.810548][ T7791] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 590.810573][ T7791] should_failslab+0xc2/0x120
[ 590.810598][ T7791] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 590.810623][ T7791] ? __d_alloc+0x32/0xae0
[ 590.810654][ T7791] __d_alloc+0x32/0xae0
[ 590.810687][ T7791] d_alloc_parallel+0x111/0x1480
[ 590.810720][ T7791] ? mark_held_locks+0x49/0x80
[ 590.810753][ T7791] ? __lock_acquire+0x62e/0x1ce0
[ 590.810786][ T7791] ? __pfx_d_alloc_parallel+0x10/0x10
[ 590.810821][ T7791] ? lockdep_init_map_type+0x5c/0x280
[ 590.810842][ T7791] ? lockdep_init_map_type+0x5c/0x280
[ 590.810868][ T7791] __lookup_slow+0x193/0x460
[ 590.810899][ T7791] ? __pfx___lookup_slow+0x10/0x10
[ 590.810933][ T7791] ? memmap_init_range+0x980/0xa20
[ 590.810967][ T7791] ? memmap_init_range+0x980/0xa20
[ 590.810994][ T7791] ? d_lookup+0xe7/0x190
[ 590.811025][ T7791] lookup_noperm+0xe1/0x110
[ 590.811051][ T7791] simple_start_creating+0xd1/0x1b0
[ 590.811074][ T7791] start_creating.part.0+0x82/0x190
[ 590.811100][ T7791] __debugfs_create_file+0xa7/0x6b0
[ 590.811137][ T7791] debugfs_create_file_unsafe+0x3c/0x50
[ 590.811167][ T7791] debugfs_create_u64+0x70/0xa0
[ 590.811194][ T7791] nbd_start_device+0x46c/0xd70
[ 590.811225][ T7791] ? bpf_lsm_capable+0x9/0x10
[ 590.811260][ T7791] nbd_ioctl+0x219/0xda0
[ 590.811287][ T7791] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 590.811319][ T7791] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.811342][ T7791] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 590.811384][ T7791] ? __pfx_nbd_ioctl+0x10/0x10
[ 590.811411][ T7791] blkdev_ioctl+0x274/0x6d0
[ 590.811432][ T7791] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.811450][ T7791] ? selinux_file_ioctl+0x180/0x270
[ 590.811478][ T7791] ? selinux_file_ioctl+0xb4/0x270
[ 590.811507][ T7791] ? __pfx_blkdev_ioctl+0x10/0x10
[ 590.811529][ T7791] __x64_sys_ioctl+0x18e/0x210
[ 590.811562][ T7791] do_syscall_64+0xcd/0x4e0
[ 590.811590][ T7791] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 590.811611][ T7791] RIP: 0033:0x7ff32d116569
[ 590.811629][ T7791] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 590.811649][ T7791] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 590.811669][ T7791] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 590.811685][ T7791] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 590.811698][ T7791] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 590.811712][ T7791] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 590.811726][ T7791] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 590.811755][ T7791]
[ 591.162665][ T7791] block nbd0: shutting down sockets
[ 591.241692][ T7794] FAULT_INJECTION: forcing a failure.
[ 591.241692][ T7794] name failslab, interval 1, probability 0, space 0, times 0
[ 591.254318][ T7794] CPU: 1 UID: 0 PID: 7794 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 591.254335][ T7794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 591.254343][ T7794] Call Trace:
[ 591.254349][ T7794]
[ 591.254354][ T7794] dump_stack_lvl+0x16c/0x1f0
[ 591.254374][ T7794] should_fail_ex+0x512/0x640
[ 591.254389][ T7794] ? fs_reclaim_acquire+0xae/0x150
[ 591.254406][ T7794] should_failslab+0xc2/0x120
[ 591.254422][ T7794] __kvmalloc_node_noprof+0x137/0x620
[ 591.254435][ T7794] ? sbitmap_init_node+0x1ca/0x770
[ 591.254449][ T7794] ? sbitmap_init_node+0x1ca/0x770
[ 591.254458][ T7794] sbitmap_init_node+0x1ca/0x770
[ 591.254472][ T7794] sbitmap_queue_init_node+0x40/0x4a0
[ 591.254485][ T7794] blk_mq_init_tags+0x12d/0x2b0
[ 591.254501][ T7794] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 591.254521][ T7794] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 591.254535][ T7794] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 591.254548][ T7794] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 591.254561][ T7794] ? rcu_is_watching+0x12/0xc0
[ 591.254576][ T7794] ? trace_contention_end+0xdd/0x130
[ 591.254590][ T7794] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 591.254612][ T7794] ? __pfx_down_write+0x10/0x10
[ 591.254631][ T7794] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 591.254645][ T7794] nbd_start_device+0x1b0/0xd70
[ 591.254662][ T7794] ? bpf_lsm_capable+0x9/0x10
[ 591.254681][ T7794] nbd_ioctl+0x219/0xda0
[ 591.254696][ T7794] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.254713][ T7794] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.254726][ T7794] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.254749][ T7794] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.254764][ T7794] blkdev_ioctl+0x274/0x6d0
[ 591.254775][ T7794] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.254785][ T7794] ? selinux_file_ioctl+0x180/0x270
[ 591.254800][ T7794] ? selinux_file_ioctl+0xb4/0x270
[ 591.254816][ T7794] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.254828][ T7794] __x64_sys_ioctl+0x18e/0x210
[ 591.254848][ T7794] do_syscall_64+0xcd/0x4e0
[ 591.254864][ T7794] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.254876][ T7794] RIP: 0033:0x7ff32d116569
[ 591.254887][ T7794] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 591.254898][ T7794] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.254909][ T7794] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 591.254917][ T7794] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 591.254924][ T7794] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 591.254934][ T7794] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 591.254946][ T7794] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.254971][ T7794]
[ 591.570930][ T7794] block nbd0: shutting down sockets
[ 591.662069][ T7796] FAULT_INJECTION: forcing a failure.
[ 591.662069][ T7796] name failslab, interval 1, probability 0, space 0, times 0
[ 591.674706][ T7796] CPU: 0 UID: 0 PID: 7796 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 591.674729][ T7796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 591.674742][ T7796] Call Trace:
[ 591.674748][ T7796]
[ 591.674753][ T7796] dump_stack_lvl+0x16c/0x1f0
[ 591.674771][ T7796] should_fail_ex+0x512/0x640
[ 591.674786][ T7796] ? fs_reclaim_acquire+0xae/0x150
[ 591.674806][ T7796] should_failslab+0xc2/0x120
[ 591.674820][ T7796] __kvmalloc_node_noprof+0x137/0x620
[ 591.674832][ T7796] ? sbitmap_init_node+0x1ca/0x770
[ 591.674846][ T7796] ? sbitmap_init_node+0x1ca/0x770
[ 591.674855][ T7796] sbitmap_init_node+0x1ca/0x770
[ 591.674869][ T7796] sbitmap_queue_init_node+0x40/0x4a0
[ 591.674882][ T7796] blk_mq_init_tags+0x12d/0x2b0
[ 591.674898][ T7796] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 591.674918][ T7796] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 591.674932][ T7796] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 591.674946][ T7796] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 591.674959][ T7796] ? rcu_is_watching+0x12/0xc0
[ 591.674973][ T7796] ? trace_contention_end+0xdd/0x130
[ 591.674987][ T7796] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 591.675009][ T7796] ? __pfx_down_write+0x10/0x10
[ 591.675028][ T7796] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 591.675059][ T7796] nbd_start_device+0x1b0/0xd70
[ 591.675089][ T7796] ? bpf_lsm_capable+0x9/0x10
[ 591.675110][ T7796] nbd_ioctl+0x219/0xda0
[ 591.675125][ T7796] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 591.675142][ T7796] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.675154][ T7796] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 591.675177][ T7796] ? __pfx_nbd_ioctl+0x10/0x10
[ 591.675192][ T7796] blkdev_ioctl+0x274/0x6d0
[ 591.675203][ T7796] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.675213][ T7796] ? selinux_file_ioctl+0x180/0x270
[ 591.675228][ T7796] ? selinux_file_ioctl+0xb4/0x270
[ 591.675244][ T7796] ? __pfx_blkdev_ioctl+0x10/0x10
[ 591.675256][ T7796] __x64_sys_ioctl+0x18e/0x210
[ 591.675273][ T7796] do_syscall_64+0xcd/0x4e0
[ 591.675289][ T7796] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.675301][ T7796] RIP: 0033:0x7ff32d116569
[ 591.675312][ T7796] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 591.675323][ T7796] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 591.675334][ T7796] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 591.675342][ T7796] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 591.675349][ T7796] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 591.675357][ T7796] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 591.675364][ T7796] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 591.675378][ T7796]
[ 591.990984][ T7796] block nbd0: shutting down sockets
[ 592.071931][ T7798] FAULT_INJECTION: forcing a failure.
[ 592.071931][ T7798] name failslab, interval 1, probability 0, space 0, times 0
[ 592.084556][ T7798] CPU: 1 UID: 0 PID: 7798 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 592.084572][ T7798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 592.084580][ T7798] Call Trace:
[ 592.084585][ T7798]
[ 592.084589][ T7798] dump_stack_lvl+0x16c/0x1f0
[ 592.084608][ T7798] should_fail_ex+0x512/0x640
[ 592.084623][ T7798] ? fs_reclaim_acquire+0xae/0x150
[ 592.084640][ T7798] should_failslab+0xc2/0x120
[ 592.084654][ T7798] __kvmalloc_node_noprof+0x137/0x620
[ 592.084666][ T7798] ? sbitmap_init_node+0x1ca/0x770
[ 592.084680][ T7798] ? sbitmap_init_node+0x1ca/0x770
[ 592.084689][ T7798] sbitmap_init_node+0x1ca/0x770
[ 592.084702][ T7798] sbitmap_queue_init_node+0x40/0x4a0
[ 592.084716][ T7798] blk_mq_init_tags+0x12d/0x2b0
[ 592.084732][ T7798] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 592.084752][ T7798] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 592.084768][ T7798] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 592.084782][ T7798] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 592.084795][ T7798] ? rcu_is_watching+0x12/0xc0
[ 592.084809][ T7798] ? trace_contention_end+0xdd/0x130
[ 592.084823][ T7798] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 592.084845][ T7798] ? __pfx_down_write+0x10/0x10
[ 592.084864][ T7798] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 592.084878][ T7798] nbd_start_device+0x1b0/0xd70
[ 592.084895][ T7798] ? bpf_lsm_capable+0x9/0x10
[ 592.084914][ T7798] nbd_ioctl+0x219/0xda0
[ 592.084929][ T7798] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 592.084946][ T7798] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.084959][ T7798] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 592.084982][ T7798] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.084996][ T7798] blkdev_ioctl+0x274/0x6d0
[ 592.085007][ T7798] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.085024][ T7798] ? selinux_file_ioctl+0x180/0x270
[ 592.085039][ T7798] ? selinux_file_ioctl+0xb4/0x270
[ 592.085055][ T7798] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.085074][ T7798] __x64_sys_ioctl+0x18e/0x210
[ 592.085106][ T7798] do_syscall_64+0xcd/0x4e0
[ 592.085129][ T7798] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.085141][ T7798] RIP: 0033:0x7ff32d116569
[ 592.085151][ T7798] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 592.085162][ T7798] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 592.085174][ T7798] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 592.085182][ T7798] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 592.085188][ T7798] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 592.085196][ T7798] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 592.085202][ T7798] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 592.085218][ T7798]
[ 592.390998][ T7798] block nbd0: shutting down sockets
[ 592.520773][ T7801] block nbd0: Device being setup by another task
[ 592.527771][ T7800] FAULT_INJECTION: forcing a failure.
[ 592.527771][ T7800] name failslab, interval 1, probability 0, space 0, times 0
[ 592.540466][ T7800] CPU: 0 UID: 0 PID: 7800 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 592.540490][ T7800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 592.540502][ T7800] Call Trace:
[ 592.540510][ T7800]
[ 592.540518][ T7800] dump_stack_lvl+0x16c/0x1f0
[ 592.540549][ T7800] should_fail_ex+0x512/0x640
[ 592.540573][ T7800] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 592.540607][ T7800] should_failslab+0xc2/0x120
[ 592.540632][ T7800] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 592.540656][ T7800] ? __d_alloc+0x32/0xae0
[ 592.540688][ T7800] __d_alloc+0x32/0xae0
[ 592.540722][ T7800] d_alloc_parallel+0x111/0x1480
[ 592.540755][ T7800] ? mark_held_locks+0x49/0x80
[ 592.540789][ T7800] ? __lock_acquire+0x62e/0x1ce0
[ 592.540821][ T7800] ? __pfx_d_alloc_parallel+0x10/0x10
[ 592.540856][ T7800] ? lockdep_init_map_type+0x5c/0x280
[ 592.540877][ T7800] ? lockdep_init_map_type+0x5c/0x280
[ 592.540902][ T7800] __lookup_slow+0x193/0x460
[ 592.540933][ T7800] ? __pfx___lookup_slow+0x10/0x10
[ 592.540967][ T7800] ? memmap_init_range+0x980/0xa20
[ 592.541003][ T7800] ? memmap_init_range+0x980/0xa20
[ 592.541031][ T7800] ? d_lookup+0xe7/0x190
[ 592.541067][ T7800] lookup_noperm+0xe1/0x110
[ 592.541097][ T7800] simple_start_creating+0xd1/0x1b0
[ 592.541121][ T7800] start_creating.part.0+0x82/0x190
[ 592.541146][ T7800] __debugfs_create_file+0xa7/0x6b0
[ 592.541172][ T7800] debugfs_create_file_unsafe+0x3c/0x50
[ 592.541198][ T7800] debugfs_create_u64+0x70/0xa0
[ 592.541221][ T7800] nbd_start_device+0x46c/0xd70
[ 592.541249][ T7800] ? bpf_lsm_capable+0x9/0x10
[ 592.541284][ T7800] nbd_ioctl+0x219/0xda0
[ 592.541312][ T7800] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 592.541343][ T7800] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.541367][ T7800] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 592.541408][ T7800] ? __pfx_nbd_ioctl+0x10/0x10
[ 592.541436][ T7800] blkdev_ioctl+0x274/0x6d0
[ 592.541458][ T7800] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.541477][ T7800] ? selinux_file_ioctl+0x180/0x270
[ 592.541505][ T7800] ? selinux_file_ioctl+0xb4/0x270
[ 592.541536][ T7800] ? __pfx_blkdev_ioctl+0x10/0x10
[ 592.541557][ T7800] __x64_sys_ioctl+0x18e/0x210
[ 592.541588][ T7800] do_syscall_64+0xcd/0x4e0
[ 592.541617][ T7800] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 592.541637][ T7800] RIP: 0033:0x7ff32d116569
[ 592.541654][ T7800] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 592.541675][ T7800] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 592.541694][ T7800] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 592.541708][ T7800] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 592.541728][ T7800] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 592.541742][ T7800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 592.541755][ T7800] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 592.541783][ T7800]
[ 592.952294][ T7800] block nbd0: shutting down sockets
[ 593.211390][ T7803] block nbd0: shutting down sockets
[ 593.311813][ T7805] FAULT_INJECTION: forcing a failure.
[ 593.311813][ T7805] name failslab, interval 1, probability 0, space 0, times 0
[ 593.324461][ T7805] CPU: 0 UID: 0 PID: 7805 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 593.324487][ T7805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 593.324498][ T7805] Call Trace:
[ 593.324503][ T7805]
[ 593.324508][ T7805] dump_stack_lvl+0x16c/0x1f0
[ 593.324528][ T7805] should_fail_ex+0x512/0x640
[ 593.324552][ T7805] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 593.324577][ T7805] should_failslab+0xc2/0x120
[ 593.324601][ T7805] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 593.324615][ T7805] ? alloc_inode+0x64/0x240
[ 593.324633][ T7805] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 593.324646][ T7805] alloc_inode+0x64/0x240
[ 593.324667][ T7805] new_inode+0x22/0x1c0
[ 593.324684][ T7805] __debugfs_create_file+0x11c/0x6b0
[ 593.324700][ T7805] debugfs_create_file_unsafe+0x3c/0x50
[ 593.324715][ T7805] debugfs_create_u64+0x70/0xa0
[ 593.324730][ T7805] nbd_start_device+0x46c/0xd70
[ 593.324747][ T7805] ? bpf_lsm_capable+0x9/0x10
[ 593.324766][ T7805] nbd_ioctl+0x219/0xda0
[ 593.324780][ T7805] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 593.324797][ T7805] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.324810][ T7805] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 593.324834][ T7805] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.324848][ T7805] blkdev_ioctl+0x274/0x6d0
[ 593.324860][ T7805] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.324870][ T7805] ? selinux_file_ioctl+0x180/0x270
[ 593.324885][ T7805] ? selinux_file_ioctl+0xb4/0x270
[ 593.324901][ T7805] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.324915][ T7805] __x64_sys_ioctl+0x18e/0x210
[ 593.324933][ T7805] do_syscall_64+0xcd/0x4e0
[ 593.324948][ T7805] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.324961][ T7805] RIP: 0033:0x7ff32d116569
[ 593.324971][ T7805] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 593.324982][ T7805] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 593.324993][ T7805] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 593.325001][ T7805] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 593.325008][ T7805] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 593.325015][ T7805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 593.325022][ T7805] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 593.325037][ T7805]
[ 593.325043][ T7805] debugfs: out of free dentries, can not create file 'size_bytes'
[ 593.600914][ T7805] block nbd0: shutting down sockets
[ 593.710773][ T7808] block nbd0: Device being setup by another task
[ 593.877856][ T7807] block nbd0: shutting down sockets
[ 593.961909][ T7810] FAULT_INJECTION: forcing a failure.
[ 593.961909][ T7810] name failslab, interval 1, probability 0, space 0, times 0
[ 593.974537][ T7810] CPU: 1 UID: 0 PID: 7810 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 593.974554][ T7810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 593.974562][ T7810] Call Trace:
[ 593.974568][ T7810]
[ 593.974573][ T7810] dump_stack_lvl+0x16c/0x1f0
[ 593.974607][ T7810] should_fail_ex+0x512/0x640
[ 593.974622][ T7810] ? fs_reclaim_acquire+0xae/0x150
[ 593.974639][ T7810] should_failslab+0xc2/0x120
[ 593.974653][ T7810] __kvmalloc_node_noprof+0x137/0x620
[ 593.974665][ T7810] ? sbitmap_init_node+0x1ca/0x770
[ 593.974679][ T7810] ? sbitmap_init_node+0x1ca/0x770
[ 593.974692][ T7810] sbitmap_init_node+0x1ca/0x770
[ 593.974716][ T7810] sbitmap_queue_init_node+0x40/0x4a0
[ 593.974740][ T7810] blk_mq_init_tags+0x12d/0x2b0
[ 593.974761][ T7810] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 593.974781][ T7810] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 593.974794][ T7810] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 593.974808][ T7810] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 593.974821][ T7810] ? rcu_is_watching+0x12/0xc0
[ 593.974836][ T7810] ? trace_contention_end+0xdd/0x130
[ 593.974851][ T7810] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 593.974873][ T7810] ? __pfx_down_write+0x10/0x10
[ 593.974893][ T7810] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 593.974907][ T7810] nbd_start_device+0x1b0/0xd70
[ 593.974924][ T7810] ? bpf_lsm_capable+0x9/0x10
[ 593.974944][ T7810] nbd_ioctl+0x219/0xda0
[ 593.974958][ T7810] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 593.974975][ T7810] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.974991][ T7810] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 593.975015][ T7810] ? __pfx_nbd_ioctl+0x10/0x10
[ 593.975029][ T7810] blkdev_ioctl+0x274/0x6d0
[ 593.975040][ T7810] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.975050][ T7810] ? selinux_file_ioctl+0x180/0x270
[ 593.975065][ T7810] ? selinux_file_ioctl+0xb4/0x270
[ 593.975085][ T7810] ? __pfx_blkdev_ioctl+0x10/0x10
[ 593.975097][ T7810] __x64_sys_ioctl+0x18e/0x210
[ 593.975115][ T7810] do_syscall_64+0xcd/0x4e0
[ 593.975131][ T7810] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 593.975143][ T7810] RIP: 0033:0x7ff32d116569
[ 593.975154][ T7810] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 593.975165][ T7810] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 593.975176][ T7810] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 593.975184][ T7810] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 593.975191][ T7810] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 593.975198][ T7810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 593.975205][ T7810] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 593.975220][ T7810]
[ 594.365628][ T7810] block nbd0: shutting down sockets
[ 594.461795][ T7812] FAULT_INJECTION: forcing a failure.
[ 594.461795][ T7812] name failslab, interval 1, probability 0, space 0, times 0
[ 594.474481][ T7812] CPU: 0 UID: 0 PID: 7812 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 594.474505][ T7812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 594.474516][ T7812] Call Trace:
[ 594.474524][ T7812]
[ 594.474531][ T7812] dump_stack_lvl+0x16c/0x1f0
[ 594.474569][ T7812] should_fail_ex+0x512/0x640
[ 594.474594][ T7812] ? fs_reclaim_acquire+0xae/0x150
[ 594.474623][ T7812] should_failslab+0xc2/0x120
[ 594.474647][ T7812] __kvmalloc_node_noprof+0x137/0x620
[ 594.474669][ T7812] ? sbitmap_init_node+0x1ca/0x770
[ 594.474694][ T7812] ? sbitmap_init_node+0x1ca/0x770
[ 594.474711][ T7812] sbitmap_init_node+0x1ca/0x770
[ 594.474736][ T7812] sbitmap_queue_init_node+0x40/0x4a0
[ 594.474761][ T7812] blk_mq_init_tags+0x12d/0x2b0
[ 594.474790][ T7812] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 594.474827][ T7812] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 594.474851][ T7812] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 594.474873][ T7812] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 594.474895][ T7812] ? rcu_is_watching+0x12/0xc0
[ 594.474922][ T7812] ? trace_contention_end+0xdd/0x130
[ 594.474948][ T7812] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 594.474990][ T7812] ? __pfx_down_write+0x10/0x10
[ 594.475026][ T7812] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 594.475052][ T7812] nbd_start_device+0x1b0/0xd70
[ 594.475081][ T7812] ? bpf_lsm_capable+0x9/0x10
[ 594.475116][ T7812] nbd_ioctl+0x219/0xda0
[ 594.475143][ T7812] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 594.475175][ T7812] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.475200][ T7812] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 594.475243][ T7812] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.475268][ T7812] blkdev_ioctl+0x274/0x6d0
[ 594.475289][ T7812] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.475308][ T7812] ? selinux_file_ioctl+0x180/0x270
[ 594.475332][ T7812] ? selinux_file_ioctl+0xb4/0x270
[ 594.475362][ T7812] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.475383][ T7812] __x64_sys_ioctl+0x18e/0x210
[ 594.475413][ T7812] do_syscall_64+0xcd/0x4e0
[ 594.475439][ T7812] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.475459][ T7812] RIP: 0033:0x7ff32d116569
[ 594.475473][ T7812] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 594.475491][ T7812] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 594.475509][ T7812] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 594.475522][ T7812] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 594.475533][ T7812] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 594.475550][ T7812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 594.475562][ T7812] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 594.475587][ T7812]
[ 594.859830][ T7812] block nbd0: shutting down sockets
[ 594.961537][ T7814] FAULT_INJECTION: forcing a failure.
[ 594.961537][ T7814] name failslab, interval 1, probability 0, space 0, times 0
[ 594.974225][ T7814] CPU: 1 UID: 0 PID: 7814 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 594.974250][ T7814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 594.974261][ T7814] Call Trace:
[ 594.974270][ T7814]
[ 594.974278][ T7814] dump_stack_lvl+0x16c/0x1f0
[ 594.974308][ T7814] should_fail_ex+0x512/0x640
[ 594.974333][ T7814] ? fs_reclaim_acquire+0xae/0x150
[ 594.974361][ T7814] should_failslab+0xc2/0x120
[ 594.974382][ T7814] __kmalloc_cache_node_noprof+0x6d/0x420
[ 594.974401][ T7814] ? lockdep_init_map_type+0x5c/0x280
[ 594.974419][ T7814] ? blk_mq_init_tags+0x87/0x2b0
[ 594.974446][ T7814] blk_mq_init_tags+0x87/0x2b0
[ 594.974471][ T7814] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 594.974532][ T7814] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 594.974554][ T7814] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 594.974577][ T7814] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 594.974598][ T7814] ? rcu_is_watching+0x12/0xc0
[ 594.974622][ T7814] ? trace_contention_end+0xdd/0x130
[ 594.974644][ T7814] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 594.974680][ T7814] ? __pfx_down_write+0x10/0x10
[ 594.974712][ T7814] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 594.974736][ T7814] nbd_start_device+0x1b0/0xd70
[ 594.974767][ T7814] ? bpf_lsm_capable+0x9/0x10
[ 594.974799][ T7814] nbd_ioctl+0x219/0xda0
[ 594.974823][ T7814] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 594.974851][ T7814] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.974872][ T7814] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 594.974910][ T7814] ? __pfx_nbd_ioctl+0x10/0x10
[ 594.974934][ T7814] blkdev_ioctl+0x274/0x6d0
[ 594.974952][ T7814] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.974970][ T7814] ? selinux_file_ioctl+0x180/0x270
[ 594.974995][ T7814] ? selinux_file_ioctl+0xb4/0x270
[ 594.975022][ T7814] ? __pfx_blkdev_ioctl+0x10/0x10
[ 594.975041][ T7814] __x64_sys_ioctl+0x18e/0x210
[ 594.975070][ T7814] do_syscall_64+0xcd/0x4e0
[ 594.975096][ T7814] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 594.975115][ T7814] RIP: 0033:0x7ff32d116569
[ 594.975131][ T7814] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 594.975148][ T7814] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 594.975166][ T7814] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 594.975179][ T7814] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 594.975190][ T7814] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 594.975202][ T7814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 594.975214][ T7814] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 594.975238][ T7814]
[ 595.356504][ T7814] block nbd0: shutting down sockets
[ 595.451766][ T7817] FAULT_INJECTION: forcing a failure.
[ 595.451766][ T7817] name failslab, interval 1, probability 0, space 0, times 0
[ 595.464506][ T7817] CPU: 0 UID: 0 PID: 7817 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 595.464532][ T7817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 595.464544][ T7817] Call Trace:
[ 595.464552][ T7817]
[ 595.464560][ T7817] dump_stack_lvl+0x16c/0x1f0
[ 595.464591][ T7817] should_fail_ex+0x512/0x640
[ 595.464617][ T7817] ? fs_reclaim_acquire+0xae/0x150
[ 595.464646][ T7817] should_failslab+0xc2/0x120
[ 595.464671][ T7817] __kvmalloc_node_noprof+0x137/0x620
[ 595.464693][ T7817] ? sbitmap_init_node+0x1ca/0x770
[ 595.464718][ T7817] ? sbitmap_init_node+0x1ca/0x770
[ 595.464735][ T7817] sbitmap_init_node+0x1ca/0x770
[ 595.464759][ T7817] sbitmap_queue_init_node+0x40/0x4a0
[ 595.464783][ T7817] blk_mq_init_tags+0x12d/0x2b0
[ 595.464809][ T7817] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 595.464844][ T7817] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 595.464870][ T7817] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 595.464898][ T7817] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 595.464922][ T7817] ? rcu_is_watching+0x12/0xc0
[ 595.464948][ T7817] ? trace_contention_end+0xdd/0x130
[ 595.464973][ T7817] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 595.465014][ T7817] ? __pfx_down_write+0x10/0x10
[ 595.465050][ T7817] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 595.465076][ T7817] nbd_start_device+0x1b0/0xd70
[ 595.465106][ T7817] ? bpf_lsm_capable+0x9/0x10
[ 595.465142][ T7817] nbd_ioctl+0x219/0xda0
[ 595.465169][ T7817] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 595.465201][ T7817] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.465223][ T7817] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 595.465266][ T7817] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.465293][ T7817] blkdev_ioctl+0x274/0x6d0
[ 595.465314][ T7817] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.465331][ T7817] ? selinux_file_ioctl+0x180/0x270
[ 595.465357][ T7817] ? selinux_file_ioctl+0xb4/0x270
[ 595.465384][ T7817] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.465405][ T7817] __x64_sys_ioctl+0x18e/0x210
[ 595.465432][ T7817] do_syscall_64+0xcd/0x4e0
[ 595.465449][ T7817] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.465461][ T7817] RIP: 0033:0x7ff32d116569
[ 595.465471][ T7817] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 595.465483][ T7817] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 595.465494][ T7817] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 595.465507][ T7817] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 595.465514][ T7817] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 595.465522][ T7817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 595.465528][ T7817] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 595.465544][ T7817]
[ 595.780918][ T7817] block nbd0: shutting down sockets
[ 595.880774][ T7820] block nbd0: Device being setup by another task
[ 595.888088][ T7819] FAULT_INJECTION: forcing a failure.
[ 595.888088][ T7819] name failslab, interval 1, probability 0, space 0, times 0
[ 595.900832][ T7819] CPU: 1 UID: 0 PID: 7819 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 595.900858][ T7819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 595.900869][ T7819] Call Trace:
[ 595.900876][ T7819]
[ 595.900882][ T7819] dump_stack_lvl+0x16c/0x1f0
[ 595.900900][ T7819] should_fail_ex+0x512/0x640
[ 595.900915][ T7819] ? kmem_cache_alloc_lru_noprof+0x5f/0x3b0
[ 595.900930][ T7819] should_failslab+0xc2/0x120
[ 595.900944][ T7819] kmem_cache_alloc_lru_noprof+0x72/0x3b0
[ 595.900956][ T7819] ? alloc_inode+0x64/0x240
[ 595.900975][ T7819] ? __pfx_debugfs_alloc_inode+0x10/0x10
[ 595.900989][ T7819] alloc_inode+0x64/0x240
[ 595.901004][ T7819] new_inode+0x22/0x1c0
[ 595.901021][ T7819] __debugfs_create_file+0x11c/0x6b0
[ 595.901037][ T7819] debugfs_create_file_unsafe+0x3c/0x50
[ 595.901053][ T7819] debugfs_create_u64+0x70/0xa0
[ 595.901067][ T7819] nbd_start_device+0x46c/0xd70
[ 595.901083][ T7819] ? bpf_lsm_capable+0x9/0x10
[ 595.901102][ T7819] nbd_ioctl+0x219/0xda0
[ 595.901116][ T7819] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 595.901133][ T7819] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.901146][ T7819] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 595.901169][ T7819] ? __pfx_nbd_ioctl+0x10/0x10
[ 595.901184][ T7819] blkdev_ioctl+0x274/0x6d0
[ 595.901196][ T7819] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.901206][ T7819] ? selinux_file_ioctl+0x180/0x270
[ 595.901221][ T7819] ? selinux_file_ioctl+0xb4/0x270
[ 595.901237][ T7819] ? __pfx_blkdev_ioctl+0x10/0x10
[ 595.901249][ T7819] __x64_sys_ioctl+0x18e/0x210
[ 595.901266][ T7819] do_syscall_64+0xcd/0x4e0
[ 595.901282][ T7819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 595.901294][ T7819] RIP: 0033:0x7ff32d116569
[ 595.901304][ T7819] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 595.901317][ T7819] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 595.901328][ T7819] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 595.901336][ T7819] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 595.901343][ T7819] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 595.901350][ T7819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 595.901357][ T7819] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 595.901372][ T7819]
[ 595.901377][ T7819] debugfs: out of free dentries, can not create file 'size_bytes'
[ 596.181727][ T7819] block nbd0: shutting down sockets
[ 596.261752][ T7822] FAULT_INJECTION: forcing a failure.
[ 596.261752][ T7822] name failslab, interval 1, probability 0, space 0, times 0
[ 596.274390][ T7822] CPU: 0 UID: 0 PID: 7822 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 596.274407][ T7822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 596.274414][ T7822] Call Trace:
[ 596.274420][ T7822]
[ 596.274425][ T7822] dump_stack_lvl+0x16c/0x1f0
[ 596.274444][ T7822] should_fail_ex+0x512/0x640
[ 596.274459][ T7822] ? fs_reclaim_acquire+0xae/0x150
[ 596.274476][ T7822] should_failslab+0xc2/0x120
[ 596.274489][ T7822] __kvmalloc_node_noprof+0x137/0x620
[ 596.274502][ T7822] ? sbitmap_init_node+0x1ca/0x770
[ 596.274515][ T7822] ? sbitmap_init_node+0x1ca/0x770
[ 596.274525][ T7822] sbitmap_init_node+0x1ca/0x770
[ 596.274537][ T7822] sbitmap_queue_init_node+0x40/0x4a0
[ 596.274550][ T7822] blk_mq_init_tags+0x12d/0x2b0
[ 596.274567][ T7822] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 596.274587][ T7822] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 596.274601][ T7822] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 596.274615][ T7822] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 596.274641][ T7822] ? rcu_is_watching+0x12/0xc0
[ 596.274655][ T7822] ? trace_contention_end+0xdd/0x130
[ 596.274669][ T7822] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 596.274691][ T7822] ? __pfx_down_write+0x10/0x10
[ 596.274711][ T7822] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 596.274725][ T7822] nbd_start_device+0x1b0/0xd70
[ 596.274741][ T7822] ? bpf_lsm_capable+0x9/0x10
[ 596.274761][ T7822] nbd_ioctl+0x219/0xda0
[ 596.274775][ T7822] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 596.274792][ T7822] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.274804][ T7822] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 596.274828][ T7822] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.274842][ T7822] blkdev_ioctl+0x274/0x6d0
[ 596.274853][ T7822] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.274864][ T7822] ? selinux_file_ioctl+0x180/0x270
[ 596.274878][ T7822] ? selinux_file_ioctl+0xb4/0x270
[ 596.274895][ T7822] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.274906][ T7822] __x64_sys_ioctl+0x18e/0x210
[ 596.274924][ T7822] do_syscall_64+0xcd/0x4e0
[ 596.274940][ T7822] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.274952][ T7822] RIP: 0033:0x7ff32d116569
[ 596.274962][ T7822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 596.274973][ T7822] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 596.274984][ T7822] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 596.274992][ T7822] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 596.274999][ T7822] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 596.275007][ T7822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 596.275013][ T7822] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 596.275028][ T7822]
[ 596.605605][ T7822] block nbd0: shutting down sockets
[ 596.721517][ T7824] FAULT_INJECTION: forcing a failure.
[ 596.721517][ T7824] name failslab, interval 1, probability 0, space 0, times 0
[ 596.734205][ T7824] CPU: 0 UID: 0 PID: 7824 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 596.734227][ T7824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 596.734236][ T7824] Call Trace:
[ 596.734244][ T7824]
[ 596.734252][ T7824] dump_stack_lvl+0x16c/0x1f0
[ 596.734283][ T7824] should_fail_ex+0x512/0x640
[ 596.734309][ T7824] ? fs_reclaim_acquire+0xae/0x150
[ 596.734327][ T7824] should_failslab+0xc2/0x120
[ 596.734342][ T7824] __kvmalloc_node_noprof+0x137/0x620
[ 596.734354][ T7824] ? sbitmap_init_node+0x1ca/0x770
[ 596.734368][ T7824] ? sbitmap_init_node+0x1ca/0x770
[ 596.734377][ T7824] sbitmap_init_node+0x1ca/0x770
[ 596.734390][ T7824] sbitmap_queue_init_node+0x40/0x4a0
[ 596.734403][ T7824] blk_mq_init_tags+0x12d/0x2b0
[ 596.734419][ T7824] blk_mq_alloc_map_and_rqs+0x237/0xf60
[ 596.734439][ T7824] blk_mq_alloc_sched_tags+0x213/0x3a0
[ 596.734453][ T7824] blk_mq_alloc_sched_tags_batch+0xef/0x380
[ 596.734466][ T7824] __blk_mq_update_nr_hw_queues+0x248/0x1200
[ 596.734479][ T7824] ? rcu_is_watching+0x12/0xc0
[ 596.734494][ T7824] ? trace_contention_end+0xdd/0x130
[ 596.734507][ T7824] ? __pfx___blk_mq_update_nr_hw_queues+0x10/0x10
[ 596.734529][ T7824] ? __pfx_down_write+0x10/0x10
[ 596.734549][ T7824] blk_mq_update_nr_hw_queues+0x3b/0x60
[ 596.734562][ T7824] nbd_start_device+0x1b0/0xd70
[ 596.734579][ T7824] ? bpf_lsm_capable+0x9/0x10
[ 596.734605][ T7824] nbd_ioctl+0x219/0xda0
[ 596.734619][ T7824] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 596.734636][ T7824] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.734649][ T7824] ? __pfx_ioctl_has_perm.constprop.0.isra.0+0x10/0x10
[ 596.734672][ T7824] ? __pfx_nbd_ioctl+0x10/0x10
[ 596.734687][ T7824] blkdev_ioctl+0x274/0x6d0
[ 596.734697][ T7824] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.734708][ T7824] ? selinux_file_ioctl+0x180/0x270
[ 596.734723][ T7824] ? selinux_file_ioctl+0xb4/0x270
[ 596.734739][ T7824] ? __pfx_blkdev_ioctl+0x10/0x10
[ 596.734751][ T7824] __x64_sys_ioctl+0x18e/0x210
[ 596.734768][ T7824] do_syscall_64+0xcd/0x4e0
[ 596.734784][ T7824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 596.734796][ T7824] RIP: 0033:0x7ff32d116569
[ 596.734806][ T7824] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 596.734817][ T7824] RSP: 002b:00007ff32d0cc208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 596.734829][ T7824] RAX: ffffffffffffffda RBX: 00007ff32d19d408 RCX: 00007ff32d116569
[ 596.734837][ T7824] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[ 596.734844][ T7824] RBP: 00007ff32d19d400 R08: 00007ff32d0cbfa6 R09: 0000000000003331
[ 596.734851][ T7824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff32d16a194
[ 596.734857][ T7824] R13: 00007ff32d0cc210 R14: 0000000000000002 R15: 64626e2f7665642f
[ 596.734872][ T7824]
[ 597.061056][ T7824] block nbd0: shutting down sockets
[ 597.161765][ T7827] FAULT_INJECTION: forcing a failure.
[ 597.161765][ T7827] name failslab, interval 1, probability 0, space 0, times 0
[ 597.174414][ T7827] CPU: 1 UID: 0 PID: 7827 Comm: syz-executor380 Not tainted syzkaller #0 PREEMPT(full)
[ 597.174430][ T7827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 597.174438][ T7827] Call Trace:
[ 597.174442][ T7827]
[ 597.174447][ T7827] dump_stack_lvl+0x16c/0x1f0
[ 597.174467][ T7827] should_fail_ex+0x512/0x640
[ 597.174482][ T7827] ? fs_reclaim_acquire+0xae/0x150
[ 597.174499][ T7827] should_failslab+0xc2/0x120
[ 597.174512][ T7827] __kvmalloc_node_noprof+0x137/0x620
[ 597.174525][ T7827] ? sbitmap_init_node+0x1ca/0x770
[ 597.174544][ T7827] ? sbitmap_init_node+0x1ca/0x770
[ 597.174553][ T7827] sbitmap_init_node+0x1ca/0x770
[ 597.174566][ T7827] sbitmap_queue_init_node+0x40/0x4a0
[ 597.174579][ T7827] blk_mq_init_tags+0x12d/0x2b0
[ 597.174596][ T7827] blk_mq_alloc_map_and_rqs+0x237/0xf60