v_ioctl+0x60e/0x710
[  579.483307][ T7733]  ? __pfx_blkdev_ioctl+0x10/0x10
[  579.483325][ T7733]  ? __fget_files+0x3a0/0x420
[  579.483346][ T7733]  ? __fget_files+0x2a/0x420
[  579.483365][ T7733]  ? bpf_lsm_file_ioctl+0x9/0x20
[  579.483381][ T7733]  ? __pfx_blkdev_ioctl+0x10/0x10
[  579.483393][ T7733]  __se_sys_ioctl+0xfc/0x170
[  579.483406][ T7733]  do_syscall_64+0xfa/0xfa0
[  579.483417][ T7733]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  579.483427][ T7733]  ? clear_bhb_loop+0x60/0xb0
[  579.483439][ T7733]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  579.483455][ T7733] RIP: 0033:0x7f8526259569
[  579.483472][ 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
[  579.483487][ T7733] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  579.483506][ T7733] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  579.483520][ T7733] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  579.483531][ T7733] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  579.483543][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  579.483555][ T7733] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  579.483583][ T7733]  </TASK>
[  579.884756][ T7733] block nbd0: shutting down sockets
[  580.166389][ T7736] block nbd0: shutting down sockets
[  580.273311][ T7738] FAULT_INJECTION: forcing a failure.
[  580.273311][ T7738] name failslab, interval 1, probability 0, space 0, times 0
[  580.286001][ T7738] CPU: 1 UID: 0 PID: 7738 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  580.286027][ T7738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  580.286036][ T7738] Call Trace:
[  580.286044][ T7738]  <TASK>
[  580.286050][ T7738]  dump_stack_lvl+0x189/0x250
[  580.286069][ T7738]  ? __pfx____ratelimit+0x10/0x10
[  580.286086][ T7738]  ? __pfx_dump_stack_lvl+0x10/0x10
[  580.286100][ T7738]  ? __pfx__printk+0x10/0x10
[  580.286114][ T7738]  ? __pfx___might_resched+0x10/0x10
[  580.286132][ T7738]  should_fail_ex+0x414/0x560
[  580.286148][ T7738]  should_failslab+0xa8/0x100
[  580.286164][ T7738]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  580.286179][ T7738]  ? __d_alloc+0x37/0x6f0
[  580.286191][ T7738]  __d_alloc+0x37/0x6f0
[  580.286204][ T7738]  d_alloc+0x4b/0x190
[  580.286212][ T7738]  ? lookup_one_qstr_excl+0xc8/0x360
[  580.286228][ T7738]  lookup_one_qstr_excl+0xdc/0x360
[  580.286242][ T7738]  ? lookup_noperm_common+0x245/0x430
[  580.286258][ T7738]  start_dirop+0x5c/0x90
[  580.286272][ T7738]  simple_start_creating+0xc4/0x100
[  580.286287][ T7738]  ? __pfx_simple_start_creating+0x10/0x10
[  580.286313][ T7738]  debugfs_start_creating+0xea/0x1b0
[  580.286332][ T7738]  __debugfs_create_file+0x6f/0x400
[  580.286354][ T7738]  debugfs_create_file_unsafe+0x3a/0x50
[  580.286374][ T7738]  nbd_start_device+0x3b6/0xb10
[  580.286401][ T7738]  nbd_ioctl+0x56e/0xe10
[  580.286419][ T7738]  ? __pfx_nbd_ioctl+0x10/0x10
[  580.286439][ T7738]  ? __pfx_nbd_ioctl+0x10/0x10
[  580.286453][ T7738]  blkdev_ioctl+0x60e/0x710
[  580.286467][ T7738]  ? __pfx_blkdev_ioctl+0x10/0x10
[  580.286477][ T7738]  ? __fget_files+0x3a0/0x420
[  580.286491][ T7738]  ? __fget_files+0x2a/0x420
[  580.286506][ T7738]  ? bpf_lsm_file_ioctl+0x9/0x20
[  580.286519][ T7738]  ? __pfx_blkdev_ioctl+0x10/0x10
[  580.286531][ T7738]  __se_sys_ioctl+0xfc/0x170
[  580.286544][ T7738]  do_syscall_64+0xfa/0xfa0
[  580.286556][ T7738]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  580.286566][ T7738]  ? clear_bhb_loop+0x60/0xb0
[  580.286578][ T7738]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  580.286588][ T7738] RIP: 0033:0x7f8526259569
[  580.286598][ T7738] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  580.286608][ T7738] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  580.286620][ T7738] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  580.286627][ T7738] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  580.286634][ T7738] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  580.286641][ T7738] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  580.286648][ T7738] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  580.286664][ T7738]  </TASK>
[  580.612701][ T7738] block nbd0: shutting down sockets
[  580.692620][ T7740] block nbd0: Device being setup by another task
[  580.742119][ T7741] block nbd0: Device being setup by another task
[  580.823567][ T7743] FAULT_INJECTION: forcing a failure.
[  580.823567][ T7743] name failslab, interval 1, probability 0, space 0, times 0
[  580.836717][ T7743] CPU: 0 UID: 0 PID: 7743 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  580.836734][ T7743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  580.836741][ T7743] Call Trace:
[  580.836746][ T7743]  <TASK>
[  580.836751][ T7743]  dump_stack_lvl+0x189/0x250
[  580.836772][ T7743]  ? __pfx____ratelimit+0x10/0x10
[  580.836788][ T7743]  ? __pfx_dump_stack_lvl+0x10/0x10
[  580.836802][ T7743]  ? __pfx__printk+0x10/0x10
[  580.836817][ T7743]  ? __pfx___might_resched+0x10/0x10
[  580.836833][ T7743]  should_fail_ex+0x414/0x560
[  580.836850][ T7743]  should_failslab+0xa8/0x100
[  580.836865][ T7743]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  580.836878][ T7743]  ? __d_alloc+0x37/0x6f0
[  580.836927][ T7743]  __d_alloc+0x37/0x6f0
[  580.836940][ T7743]  d_alloc+0x4b/0x190
[  580.836947][ T7743]  ? lookup_one_qstr_excl+0xc8/0x360
[  580.836964][ T7743]  lookup_one_qstr_excl+0xdc/0x360
[  580.836977][ T7743]  ? lookup_noperm_common+0x245/0x430
[  580.836993][ T7743]  start_dirop+0x5c/0x90
[  580.837017][ T7743]  simple_start_creating+0xc4/0x100
[  580.837032][ T7743]  ? __pfx_simple_start_creating+0x10/0x10
[  580.837053][ T7743]  debugfs_start_creating+0xea/0x1b0
[  580.837064][ T7743]  __debugfs_create_file+0x6f/0x400
[  580.837076][ T7743]  debugfs_create_file_unsafe+0x3a/0x50
[  580.837088][ T7743]  nbd_start_device+0x3b6/0xb10
[  580.837108][ T7743]  nbd_ioctl+0x56e/0xe10
[  580.837125][ T7743]  ? __pfx_nbd_ioctl+0x10/0x10
[  580.837152][ T7743]  ? __pfx_nbd_ioctl+0x10/0x10
[  580.837173][ T7743]  blkdev_ioctl+0x60e/0x710
[  580.837190][ T7743]  ? __pfx_blkdev_ioctl+0x10/0x10
[  580.837201][ T7743]  ? __fget_files+0x3a0/0x420
[  580.837214][ T7743]  ? __fget_files+0x2a/0x420
[  580.837229][ T7743]  ? bpf_lsm_file_ioctl+0x9/0x20
[  580.837243][ T7743]  ? __pfx_blkdev_ioctl+0x10/0x10
[  580.837254][ T7743]  __se_sys_ioctl+0xfc/0x170
[  580.837267][ T7743]  do_syscall_64+0xfa/0xfa0
[  580.837278][ T7743]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  580.837288][ T7743]  ? clear_bhb_loop+0x60/0xb0
[  580.837300][ T7743]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  580.837309][ T7743] RIP: 0033:0x7f8526259569
[  580.837320][ 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
[  580.837329][ T7743] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  580.837341][ T7743] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  580.837348][ T7743] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  580.837355][ T7743] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  580.837361][ T7743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  580.837368][ T7743] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  580.837385][ T7743]  </TASK>
[  581.234948][ T7743] block nbd0: shutting down sockets
[  581.362120][ T7746] block nbd0: Device being setup by another task
[  581.536636][ T7745] block nbd0: shutting down sockets
[  581.796297][ T7748] block nbd0: shutting down sockets
[  581.893757][ T7750] FAULT_INJECTION: forcing a failure.
[  581.893757][ T7750] name failslab, interval 1, probability 0, space 0, times 0
[  581.906784][ T7750] CPU: 1 UID: 0 PID: 7750 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  581.906809][ T7750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  581.906819][ T7750] Call Trace:
[  581.906827][ T7750]  <TASK>
[  581.906918][ T7750]  dump_stack_lvl+0x189/0x250
[  581.906949][ T7750]  ? __pfx____ratelimit+0x10/0x10
[  581.906975][ T7750]  ? __pfx_dump_stack_lvl+0x10/0x10
[  581.907000][ T7750]  ? __pfx__printk+0x10/0x10
[  581.907024][ T7750]  ? __pfx___might_resched+0x10/0x10
[  581.907053][ T7750]  should_fail_ex+0x414/0x560
[  581.907081][ T7750]  should_failslab+0xa8/0x100
[  581.907106][ T7750]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  581.907129][ T7750]  ? __d_alloc+0x37/0x6f0
[  581.907151][ T7750]  __d_alloc+0x37/0x6f0
[  581.907175][ T7750]  d_alloc+0x4b/0x190
[  581.907189][ T7750]  ? lookup_one_qstr_excl+0xc8/0x360
[  581.907218][ T7750]  lookup_one_qstr_excl+0xdc/0x360
[  581.907242][ T7750]  ? lookup_noperm_common+0x245/0x430
[  581.907269][ T7750]  start_dirop+0x5c/0x90
[  581.907293][ T7750]  simple_start_creating+0xc4/0x100
[  581.907319][ T7750]  ? __pfx_simple_start_creating+0x10/0x10
[  581.907356][ T7750]  debugfs_start_creating+0xea/0x1b0
[  581.907376][ T7750]  __debugfs_create_file+0x6f/0x400
[  581.907397][ T7750]  debugfs_create_file_unsafe+0x3a/0x50
[  581.907418][ T7750]  nbd_start_device+0x3b6/0xb10
[  581.907455][ T7750]  nbd_ioctl+0x56e/0xe10
[  581.907485][ T7750]  ? __pfx_nbd_ioctl+0x10/0x10
[  581.907521][ T7750]  ? __pfx_nbd_ioctl+0x10/0x10
[  581.907544][ T7750]  blkdev_ioctl+0x60e/0x710
[  581.907568][ T7750]  ? __pfx_blkdev_ioctl+0x10/0x10
[  581.907586][ T7750]  ? __fget_files+0x3a0/0x420
[  581.907609][ T7750]  ? __fget_files+0x2a/0x420
[  581.907636][ T7750]  ? bpf_lsm_file_ioctl+0x9/0x20
[  581.907659][ T7750]  ? __pfx_blkdev_ioctl+0x10/0x10
[  581.907680][ T7750]  __se_sys_ioctl+0xfc/0x170
[  581.907703][ T7750]  do_syscall_64+0xfa/0xfa0
[  581.907723][ T7750]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  581.907740][ T7750]  ? clear_bhb_loop+0x60/0xb0
[  581.907762][ T7750]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  581.907780][ T7750] RIP: 0033:0x7f8526259569
[  581.907797][ T7750] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  581.907811][ T7750] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  581.907840][ T7750] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  581.907853][ T7750] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  581.907863][ T7750] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  581.907869][ T7750] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  581.907876][ T7750] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  581.907893][ T7750]  </TASK>
[  582.305290][ T7750] block nbd0: shutting down sockets
[  582.413097][ T7752] FAULT_INJECTION: forcing a failure.
[  582.413097][ T7752] name failslab, interval 1, probability 0, space 0, times 0
[  582.425919][ T7752] CPU: 1 UID: 0 PID: 7752 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  582.425943][ T7752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  582.425954][ T7752] Call Trace:
[  582.425965][ T7752]  <TASK>
[  582.425974][ T7752]  dump_stack_lvl+0x189/0x250
[  582.426003][ T7752]  ? __pfx____ratelimit+0x10/0x10
[  582.426025][ T7752]  ? __pfx_dump_stack_lvl+0x10/0x10
[  582.426045][ T7752]  ? __pfx__printk+0x10/0x10
[  582.426072][ T7752]  ? __pfx___might_resched+0x10/0x10
[  582.426095][ T7752]  should_fail_ex+0x414/0x560
[  582.426118][ T7752]  should_failslab+0xa8/0x100
[  582.426138][ T7752]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  582.426156][ T7752]  ? __d_alloc+0x37/0x6f0
[  582.426172][ T7752]  __d_alloc+0x37/0x6f0
[  582.426190][ T7752]  d_alloc+0x4b/0x190
[  582.426201][ T7752]  ? lookup_one_qstr_excl+0xc8/0x360
[  582.426223][ T7752]  lookup_one_qstr_excl+0xdc/0x360
[  582.426243][ T7752]  ? lookup_noperm_common+0x245/0x430
[  582.426265][ T7752]  start_dirop+0x5c/0x90
[  582.426285][ T7752]  simple_start_creating+0xc4/0x100
[  582.426306][ T7752]  ? __pfx_simple_start_creating+0x10/0x10
[  582.426335][ T7752]  debugfs_start_creating+0xea/0x1b0
[  582.426350][ T7752]  __debugfs_create_file+0x6f/0x400
[  582.426367][ T7752]  debugfs_create_file_unsafe+0x3a/0x50
[  582.426383][ T7752]  nbd_start_device+0x3b6/0xb10
[  582.426411][ T7752]  nbd_ioctl+0x56e/0xe10
[  582.426435][ T7752]  ? __pfx_nbd_ioctl+0x10/0x10
[  582.426463][ T7752]  ? __pfx_nbd_ioctl+0x10/0x10
[  582.426483][ T7752]  blkdev_ioctl+0x60e/0x710
[  582.426503][ T7752]  ? __pfx_blkdev_ioctl+0x10/0x10
[  582.426518][ T7752]  ? __fget_files+0x3a0/0x420
[  582.426536][ T7752]  ? __fget_files+0x2a/0x420
[  582.426557][ T7752]  ? bpf_lsm_file_ioctl+0x9/0x20
[  582.426575][ T7752]  ? __pfx_blkdev_ioctl+0x10/0x10
[  582.426592][ T7752]  __se_sys_ioctl+0xfc/0x170
[  582.426610][ T7752]  do_syscall_64+0xfa/0xfa0
[  582.426625][ T7752]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  582.426639][ T7752]  ? clear_bhb_loop+0x60/0xb0
[  582.426656][ T7752]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  582.426670][ T7752] RIP: 0033:0x7f8526259569
[  582.426684][ T7752] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  582.426696][ T7752] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.426711][ T7752] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  582.426721][ T7752] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  582.426731][ T7752] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  582.426740][ T7752] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  582.426749][ T7752] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  582.426773][ T7752]  </TASK>
[  582.752545][ T7752] block nbd0: shutting down sockets
[  582.873411][ T7755] FAULT_INJECTION: forcing a failure.
[  582.873411][ T7755] name failslab, interval 1, probability 0, space 0, times 0
[  582.886425][ T7755] CPU: 0 UID: 0 PID: 7755 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  582.886449][ T7755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  582.886461][ T7755] Call Trace:
[  582.886471][ T7755]  <TASK>
[  582.886479][ T7755]  dump_stack_lvl+0x189/0x250
[  582.886498][ T7755]  ? __pfx____ratelimit+0x10/0x10
[  582.886514][ T7755]  ? __pfx_dump_stack_lvl+0x10/0x10
[  582.886528][ T7755]  ? __pfx__printk+0x10/0x10
[  582.886543][ T7755]  ? __pfx___might_resched+0x10/0x10
[  582.886560][ T7755]  should_fail_ex+0x414/0x560
[  582.886576][ T7755]  should_failslab+0xa8/0x100
[  582.886592][ T7755]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  582.886605][ T7755]  ? __d_alloc+0x37/0x6f0
[  582.886617][ T7755]  __d_alloc+0x37/0x6f0
[  582.886630][ T7755]  d_alloc+0x4b/0x190
[  582.886637][ T7755]  ? lookup_one_qstr_excl+0xc8/0x360
[  582.886654][ T7755]  lookup_one_qstr_excl+0xdc/0x360
[  582.886667][ T7755]  ? lookup_noperm_common+0x245/0x430
[  582.886684][ T7755]  start_dirop+0x5c/0x90
[  582.886698][ T7755]  simple_start_creating+0xc4/0x100
[  582.886714][ T7755]  ? __pfx_simple_start_creating+0x10/0x10
[  582.886734][ T7755]  debugfs_start_creating+0xea/0x1b0
[  582.886746][ T7755]  __debugfs_create_file+0x6f/0x400
[  582.886758][ T7755]  debugfs_create_file_unsafe+0x3a/0x50
[  582.886770][ T7755]  nbd_start_device+0x3b6/0xb10
[  582.886792][ T7755]  nbd_ioctl+0x56e/0xe10
[  582.886809][ T7755]  ? __pfx_nbd_ioctl+0x10/0x10
[  582.886829][ T7755]  ? __pfx_nbd_ioctl+0x10/0x10
[  582.886843][ T7755]  blkdev_ioctl+0x60e/0x710
[  582.886857][ T7755]  ? __pfx_blkdev_ioctl+0x10/0x10
[  582.886868][ T7755]  ? __fget_files+0x3a0/0x420
[  582.886881][ T7755]  ? __fget_files+0x2a/0x420
[  582.886896][ T7755]  ? bpf_lsm_file_ioctl+0x9/0x20
[  582.886910][ T7755]  ? __pfx_blkdev_ioctl+0x10/0x10
[  582.886921][ T7755]  __se_sys_ioctl+0xfc/0x170
[  582.886934][ T7755]  do_syscall_64+0xfa/0xfa0
[  582.886946][ T7755]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  582.886956][ T7755]  ? clear_bhb_loop+0x60/0xb0
[  582.886968][ T7755]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  582.886978][ T7755] RIP: 0033:0x7f8526259569
[  582.886989][ 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
[  582.886998][ T7755] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  582.887010][ T7755] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  582.887017][ T7755] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  582.887031][ T7755] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  582.887037][ T7755] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  582.887044][ T7755] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  582.887061][ T7755]  </TASK>
[  583.202710][ T7755] block nbd0: shutting down sockets
[  583.333342][ T7757] FAULT_INJECTION: forcing a failure.
[  583.333342][ T7757] name failslab, interval 1, probability 0, space 0, times 0
[  583.346103][ T7757] CPU: 1 UID: 0 PID: 7757 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  583.346129][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  583.346140][ T7757] Call Trace:
[  583.346151][ T7757]  <TASK>
[  583.346160][ T7757]  dump_stack_lvl+0x189/0x250
[  583.346179][ T7757]  ? __pfx____ratelimit+0x10/0x10
[  583.346195][ T7757]  ? __pfx_dump_stack_lvl+0x10/0x10
[  583.346209][ T7757]  ? __pfx__printk+0x10/0x10
[  583.346224][ T7757]  ? __pfx___might_resched+0x10/0x10
[  583.346241][ T7757]  should_fail_ex+0x414/0x560
[  583.346259][ T7757]  should_failslab+0xa8/0x100
[  583.346274][ T7757]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  583.346287][ T7757]  ? __d_alloc+0x37/0x6f0
[  583.346299][ T7757]  __d_alloc+0x37/0x6f0
[  583.346312][ T7757]  d_alloc+0x4b/0x190
[  583.346319][ T7757]  ? lookup_one_qstr_excl+0xc8/0x360
[  583.346335][ T7757]  lookup_one_qstr_excl+0xdc/0x360
[  583.346350][ T7757]  ? lookup_noperm_common+0x245/0x430
[  583.346366][ T7757]  start_dirop+0x5c/0x90
[  583.346380][ T7757]  simple_start_creating+0xc4/0x100
[  583.346396][ T7757]  ? __pfx_simple_start_creating+0x10/0x10
[  583.346416][ T7757]  debugfs_start_creating+0xea/0x1b0
[  583.346428][ T7757]  __debugfs_create_file+0x6f/0x400
[  583.346440][ T7757]  debugfs_create_file_unsafe+0x3a/0x50
[  583.346452][ T7757]  nbd_start_device+0x3b6/0xb10
[  583.346472][ T7757]  nbd_ioctl+0x56e/0xe10
[  583.346492][ T7757]  ? __pfx_nbd_ioctl+0x10/0x10
[  583.346512][ T7757]  ? __pfx_nbd_ioctl+0x10/0x10
[  583.346526][ T7757]  blkdev_ioctl+0x60e/0x710
[  583.346541][ T7757]  ? __pfx_blkdev_ioctl+0x10/0x10
[  583.346551][ T7757]  ? __fget_files+0x3a0/0x420
[  583.346565][ T7757]  ? __fget_files+0x2a/0x420
[  583.346580][ T7757]  ? bpf_lsm_file_ioctl+0x9/0x20
[  583.346593][ T7757]  ? __pfx_blkdev_ioctl+0x10/0x10
[  583.346605][ T7757]  __se_sys_ioctl+0xfc/0x170
[  583.346618][ T7757]  do_syscall_64+0xfa/0xfa0
[  583.346629][ T7757]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  583.346639][ T7757]  ? clear_bhb_loop+0x60/0xb0
[  583.346654][ T7757]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  583.346664][ T7757] RIP: 0033:0x7f8526259569
[  583.346675][ 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
[  583.346684][ T7757] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  583.346696][ T7757] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  583.346704][ T7757] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  583.346710][ T7757] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  583.346717][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  583.346723][ T7757] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  583.346740][ T7757]  </TASK>
[  583.744718][ T7757] block nbd0: shutting down sockets
[  583.853393][ T7759] FAULT_INJECTION: forcing a failure.
[  583.853393][ T7759] name failslab, interval 1, probability 0, space 0, times 0
[  583.866511][ T7759] CPU: 0 UID: 0 PID: 7759 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  583.866537][ T7759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  583.866549][ T7759] Call Trace:
[  583.866558][ T7759]  <TASK>
[  583.866566][ T7759]  dump_stack_lvl+0x189/0x250
[  583.866585][ T7759]  ? __pfx____ratelimit+0x10/0x10
[  583.866601][ T7759]  ? __pfx_dump_stack_lvl+0x10/0x10
[  583.866621][ T7759]  ? __pfx__printk+0x10/0x10
[  583.866635][ T7759]  ? __pfx___might_resched+0x10/0x10
[  583.866652][ T7759]  should_fail_ex+0x414/0x560
[  583.866669][ T7759]  should_failslab+0xa8/0x100
[  583.866685][ T7759]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  583.866697][ T7759]  ? __d_alloc+0x37/0x6f0
[  583.866710][ T7759]  __d_alloc+0x37/0x6f0
[  583.866722][ T7759]  d_alloc+0x4b/0x190
[  583.866730][ T7759]  ? lookup_one_qstr_excl+0xc8/0x360
[  583.866746][ T7759]  lookup_one_qstr_excl+0xdc/0x360
[  583.866760][ T7759]  ? lookup_noperm_common+0x245/0x430
[  583.866776][ T7759]  start_dirop+0x5c/0x90
[  583.866791][ T7759]  simple_start_creating+0xc4/0x100
[  583.866806][ T7759]  ? __pfx_simple_start_creating+0x10/0x10
[  583.866827][ T7759]  debugfs_start_creating+0xea/0x1b0
[  583.866839][ T7759]  __debugfs_create_file+0x6f/0x400
[  583.866851][ T7759]  debugfs_create_file_unsafe+0x3a/0x50
[  583.866864][ T7759]  nbd_start_device+0x3b6/0xb10
[  583.866887][ T7759]  nbd_ioctl+0x56e/0xe10
[  583.866904][ T7759]  ? __pfx_nbd_ioctl+0x10/0x10
[  583.866923][ T7759]  ? __pfx_nbd_ioctl+0x10/0x10
[  583.866937][ T7759]  blkdev_ioctl+0x60e/0x710
[  583.866952][ T7759]  ? __pfx_blkdev_ioctl+0x10/0x10
[  583.866962][ T7759]  ? __fget_files+0x3a0/0x420
[  583.866976][ T7759]  ? __fget_files+0x2a/0x420
[  583.866991][ T7759]  ? bpf_lsm_file_ioctl+0x9/0x20
[  583.867004][ T7759]  ? __pfx_blkdev_ioctl+0x10/0x10
[  583.867015][ T7759]  __se_sys_ioctl+0xfc/0x170
[  583.867028][ T7759]  do_syscall_64+0xfa/0xfa0
[  583.867040][ T7759]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  583.867050][ T7759]  ? clear_bhb_loop+0x60/0xb0
[  583.867062][ T7759]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  583.867072][ T7759] RIP: 0033:0x7f8526259569
[  583.867082][ T7759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  583.867092][ T7759] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  583.867103][ T7759] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  583.867111][ T7759] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  583.867117][ T7759] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  583.867123][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  583.867133][ T7759] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  583.867150][ T7759]  </TASK>
[  584.266901][ T7759] block nbd0: shutting down sockets
[  584.383302][ T7762] FAULT_INJECTION: forcing a failure.
[  584.383302][ T7762] name failslab, interval 1, probability 0, space 0, times 0
[  584.396323][ T7762] CPU: 1 UID: 0 PID: 7762 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  584.396342][ T7762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  584.396350][ T7762] Call Trace:
[  584.396358][ T7762]  <TASK>
[  584.396365][ T7762]  dump_stack_lvl+0x189/0x250
[  584.396385][ T7762]  ? __pfx____ratelimit+0x10/0x10
[  584.396401][ T7762]  ? __pfx_dump_stack_lvl+0x10/0x10
[  584.396421][ T7762]  ? __pfx__printk+0x10/0x10
[  584.396436][ T7762]  ? __pfx___might_resched+0x10/0x10
[  584.396453][ T7762]  should_fail_ex+0x414/0x560
[  584.396471][ T7762]  should_failslab+0xa8/0x100
[  584.396487][ T7762]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  584.396500][ T7762]  ? __d_alloc+0x37/0x6f0
[  584.396512][ T7762]  __d_alloc+0x37/0x6f0
[  584.396525][ T7762]  d_alloc+0x4b/0x190
[  584.396533][ T7762]  ? lookup_one_qstr_excl+0xc8/0x360
[  584.396549][ T7762]  lookup_one_qstr_excl+0xdc/0x360
[  584.396563][ T7762]  ? lookup_noperm_common+0x245/0x430
[  584.396580][ T7762]  start_dirop+0x5c/0x90
[  584.396594][ T7762]  simple_start_creating+0xc4/0x100
[  584.396611][ T7762]  ? __pfx_simple_start_creating+0x10/0x10
[  584.396643][ T7762]  debugfs_start_creating+0xea/0x1b0
[  584.396659][ T7762]  __debugfs_create_file+0x6f/0x400
[  584.396677][ T7762]  debugfs_create_file_unsafe+0x3a/0x50
[  584.396692][ T7762]  nbd_start_device+0x3b6/0xb10
[  584.396713][ T7762]  nbd_ioctl+0x56e/0xe10
[  584.396736][ T7762]  ? __pfx_nbd_ioctl+0x10/0x10
[  584.396756][ T7762]  ? __pfx_nbd_ioctl+0x10/0x10
[  584.396771][ T7762]  blkdev_ioctl+0x60e/0x710
[  584.396786][ T7762]  ? __pfx_blkdev_ioctl+0x10/0x10
[  584.396796][ T7762]  ? __fget_files+0x3a0/0x420
[  584.396810][ T7762]  ? __fget_files+0x2a/0x420
[  584.396825][ T7762]  ? bpf_lsm_file_ioctl+0x9/0x20
[  584.396839][ T7762]  ? __pfx_blkdev_ioctl+0x10/0x10
[  584.396851][ T7762]  __se_sys_ioctl+0xfc/0x170
[  584.396870][ T7762]  do_syscall_64+0xfa/0xfa0
[  584.396881][ T7762]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  584.396891][ T7762]  ? clear_bhb_loop+0x60/0xb0
[  584.396904][ T7762]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  584.396914][ T7762] RIP: 0033:0x7f8526259569
[  584.396925][ T7762] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  584.396934][ T7762] RSP: 002b:00007f85261ee208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.396946][ T7762] RAX: ffffffffffffffda RBX: 00007f85262e0418 RCX: 00007f8526259569
[  584.396954][ T7762] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  584.396960][ T7762] RBP: 00007f85262e0410 R08: 00007f85261edfa6 R09: 0000000000003331
[  584.396967][ T7762] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  584.396974][ T7762] R13: 00007f85261ee210 R14: 0000000000000002 R15: 64626e2f7665642f
[  584.396990][ T7762]  </TASK>
[  584.793892][ T7762] block nbd0: shutting down sockets
[  584.893523][ T7764] FAULT_INJECTION: forcing a failure.
[  584.893523][ T7764] name failslab, interval 1, probability 0, space 0, times 0
[  584.906389][ T7764] CPU: 0 UID: 0 PID: 7764 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  584.906413][ T7764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  584.906425][ T7764] Call Trace:
[  584.906432][ T7764]  <TASK>
[  584.906441][ T7764]  dump_stack_lvl+0x189/0x250
[  584.906471][ T7764]  ? __pfx____ratelimit+0x10/0x10
[  584.906497][ T7764]  ? __pfx_dump_stack_lvl+0x10/0x10
[  584.906521][ T7764]  ? __pfx__printk+0x10/0x10
[  584.906548][ T7764]  ? __pfx___might_resched+0x10/0x10
[  584.906577][ T7764]  should_fail_ex+0x414/0x560
[  584.906615][ T7764]  should_failslab+0xa8/0x100
[  584.906640][ T7764]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  584.906662][ T7764]  ? __d_alloc+0x37/0x6f0
[  584.906685][ T7764]  __d_alloc+0x37/0x6f0
[  584.906709][ T7764]  d_alloc+0x4b/0x190
[  584.906723][ T7764]  ? lookup_one_qstr_excl+0xc8/0x360
[  584.906751][ T7764]  lookup_one_qstr_excl+0xdc/0x360
[  584.906776][ T7764]  ? lookup_noperm_common+0x245/0x430
[  584.906805][ T7764]  start_dirop+0x5c/0x90
[  584.906830][ T7764]  simple_start_creating+0xc4/0x100
[  584.906856][ T7764]  ? __pfx_simple_start_creating+0x10/0x10
[  584.906892][ T7764]  debugfs_start_creating+0xea/0x1b0
[  584.906913][ T7764]  __debugfs_create_file+0x6f/0x400
[  584.906935][ T7764]  debugfs_create_file_unsafe+0x3a/0x50
[  584.906957][ T7764]  nbd_start_device+0x3b6/0xb10
[  584.906994][ T7764]  nbd_ioctl+0x56e/0xe10
[  584.907024][ T7764]  ? __pfx_nbd_ioctl+0x10/0x10
[  584.907057][ T7764]  ? __pfx_nbd_ioctl+0x10/0x10
[  584.907082][ T7764]  blkdev_ioctl+0x60e/0x710
[  584.907107][ T7764]  ? __pfx_blkdev_ioctl+0x10/0x10
[  584.907125][ T7764]  ? __fget_files+0x3a0/0x420
[  584.907153][ T7764]  ? __fget_files+0x2a/0x420
[  584.907180][ T7764]  ? bpf_lsm_file_ioctl+0x9/0x20
[  584.907203][ T7764]  ? __pfx_blkdev_ioctl+0x10/0x10
[  584.907225][ T7764]  __se_sys_ioctl+0xfc/0x170
[  584.907245][ T7764]  do_syscall_64+0xfa/0xfa0
[  584.907263][ T7764]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  584.907281][ T7764]  ? clear_bhb_loop+0x60/0xb0
[  584.907302][ T7764]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  584.907317][ T7764] RIP: 0033:0x7f8526259569
[  584.907333][ T7764] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  584.907350][ T7764] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  584.907368][ T7764] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  584.907381][ T7764] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  584.907392][ T7764] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  584.907405][ T7764] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  584.907416][ T7764] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  584.907440][ T7764]  </TASK>
[  585.222431][ T7764] block nbd0: shutting down sockets
[  585.293202][ T7766] FAULT_INJECTION: forcing a failure.
[  585.293202][ T7766] name failslab, interval 1, probability 0, space 0, times 0
[  585.306501][ T7766] CPU: 1 UID: 0 PID: 7766 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  585.306518][ T7766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  585.306525][ T7766] Call Trace:
[  585.306529][ T7766]  <TASK>
[  585.306534][ T7766]  dump_stack_lvl+0x189/0x250
[  585.306554][ T7766]  ? __pfx____ratelimit+0x10/0x10
[  585.306570][ T7766]  ? __pfx_dump_stack_lvl+0x10/0x10
[  585.306585][ T7766]  ? __pfx__printk+0x10/0x10
[  585.306600][ T7766]  ? __pfx___might_resched+0x10/0x10
[  585.306616][ T7766]  should_fail_ex+0x414/0x560
[  585.306633][ T7766]  should_failslab+0xa8/0x100
[  585.306647][ T7766]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  585.306661][ T7766]  ? __d_alloc+0x37/0x6f0
[  585.306673][ T7766]  __d_alloc+0x37/0x6f0
[  585.306685][ T7766]  d_alloc+0x4b/0x190
[  585.306694][ T7766]  ? lookup_one_qstr_excl+0xc8/0x360
[  585.306710][ T7766]  lookup_one_qstr_excl+0xdc/0x360
[  585.306726][ T7766]  ? lookup_noperm_common+0x245/0x430
[  585.306743][ T7766]  start_dirop+0x5c/0x90
[  585.306757][ T7766]  simple_start_creating+0xc4/0x100
[  585.306772][ T7766]  ? __pfx_simple_start_creating+0x10/0x10
[  585.306798][ T7766]  debugfs_start_creating+0xea/0x1b0
[  585.306809][ T7766]  __debugfs_create_file+0x6f/0x400
[  585.306822][ T7766]  debugfs_create_file_unsafe+0x3a/0x50
[  585.306833][ T7766]  nbd_start_device+0x3b6/0xb10
[  585.306854][ T7766]  nbd_ioctl+0x56e/0xe10
[  585.306871][ T7766]  ? __pfx_nbd_ioctl+0x10/0x10
[  585.306891][ T7766]  ? __pfx_nbd_ioctl+0x10/0x10
[  585.306905][ T7766]  blkdev_ioctl+0x60e/0x710
[  585.306919][ T7766]  ? __pfx_blkdev_ioctl+0x10/0x10
[  585.306930][ T7766]  ? __fget_files+0x3a0/0x420
[  585.306943][ T7766]  ? __fget_files+0x2a/0x420
[  585.306958][ T7766]  ? bpf_lsm_file_ioctl+0x9/0x20
[  585.306971][ T7766]  ? __pfx_blkdev_ioctl+0x10/0x10
[  585.306983][ T7766]  __se_sys_ioctl+0xfc/0x170
[  585.306996][ T7766]  do_syscall_64+0xfa/0xfa0
[  585.307006][ T7766]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  585.307016][ T7766]  ? clear_bhb_loop+0x60/0xb0
[  585.307028][ T7766]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  585.307038][ T7766] RIP: 0033:0x7f8526259569
[  585.307048][ 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
[  585.307057][ T7766] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  585.307069][ T7766] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  585.307076][ T7766] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  585.307082][ T7766] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  585.307090][ T7766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  585.307096][ T7766] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  585.307113][ T7766]  </TASK>
[  585.703371][ T7766] block nbd0: shutting down sockets
[  585.812207][ T7769] block nbd0: Device being setup by another task
[  585.983763][ T7768] block nbd0: shutting down sockets
[  586.245599][ T7771] block nbd0: shutting down sockets
[  586.333270][ T7773] FAULT_INJECTION: forcing a failure.
[  586.333270][ T7773] name failslab, interval 1, probability 0, space 0, times 0
[  586.346004][ T7773] CPU: 0 UID: 0 PID: 7773 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  586.346020][ T7773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  586.346027][ T7773] Call Trace:
[  586.346033][ T7773]  <TASK>
[  586.346039][ T7773]  dump_stack_lvl+0x189/0x250
[  586.346058][ T7773]  ? __pfx____ratelimit+0x10/0x10
[  586.346073][ T7773]  ? __pfx_dump_stack_lvl+0x10/0x10
[  586.346087][ T7773]  ? __pfx__printk+0x10/0x10
[  586.346102][ T7773]  ? __pfx___might_resched+0x10/0x10
[  586.346119][ T7773]  should_fail_ex+0x414/0x560
[  586.346136][ T7773]  should_failslab+0xa8/0x100
[  586.346151][ T7773]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  586.346163][ T7773]  ? __d_alloc+0x37/0x6f0
[  586.346175][ T7773]  __d_alloc+0x37/0x6f0
[  586.346188][ T7773]  d_alloc+0x4b/0x190
[  586.346196][ T7773]  ? lookup_one_qstr_excl+0xc8/0x360
[  586.346212][ T7773]  lookup_one_qstr_excl+0xdc/0x360
[  586.346226][ T7773]  ? lookup_noperm_common+0x245/0x430
[  586.346242][ T7773]  start_dirop+0x5c/0x90
[  586.346256][ T7773]  simple_start_creating+0xc4/0x100
[  586.346272][ T7773]  ? __pfx_simple_start_creating+0x10/0x10
[  586.346292][ T7773]  debugfs_start_creating+0xea/0x1b0
[  586.346304][ T7773]  __debugfs_create_file+0x6f/0x400
[  586.346316][ T7773]  debugfs_create_file_unsafe+0x3a/0x50
[  586.346327][ T7773]  nbd_start_device+0x3b6/0xb10
[  586.346348][ T7773]  nbd_ioctl+0x56e/0xe10
[  586.346364][ T7773]  ? __pfx_nbd_ioctl+0x10/0x10
[  586.346384][ T7773]  ? __pfx_nbd_ioctl+0x10/0x10
[  586.346398][ T7773]  blkdev_ioctl+0x60e/0x710
[  586.346413][ T7773]  ? __pfx_blkdev_ioctl+0x10/0x10
[  586.346426][ T7773]  ? __fget_files+0x3a0/0x420
[  586.346451][ T7773]  ? __fget_files+0x2a/0x420
[  586.346466][ T7773]  ? bpf_lsm_file_ioctl+0x9/0x20
[  586.346480][ T7773]  ? __pfx_blkdev_ioctl+0x10/0x10
[  586.346492][ T7773]  __se_sys_ioctl+0xfc/0x170
[  586.346505][ T7773]  do_syscall_64+0xfa/0xfa0
[  586.346516][ T7773]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  586.346526][ T7773]  ? clear_bhb_loop+0x60/0xb0
[  586.346538][ T7773]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  586.346548][ T7773] RIP: 0033:0x7f8526259569
[  586.346559][ T7773] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  586.346568][ T7773] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  586.346579][ T7773] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  586.346587][ T7773] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  586.346593][ T7773] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  586.346600][ T7773] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  586.346607][ T7773] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  586.346623][ T7773]  </TASK>
[  586.662266][ T7773] block nbd0: shutting down sockets
[  586.762180][ T7776] block nbd0: Device being setup by another task
[  586.933276][ T7775] block nbd0: shutting down sockets
[  587.198190][ T7778] block nbd0: shutting down sockets
[  587.313286][ T7780] FAULT_INJECTION: forcing a failure.
[  587.313286][ T7780] name failslab, interval 1, probability 0, space 0, times 0
[  587.326313][ T7780] CPU: 1 UID: 0 PID: 7780 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  587.326330][ T7780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  587.326337][ T7780] Call Trace:
[  587.326345][ T7780]  <TASK>
[  587.326351][ T7780]  dump_stack_lvl+0x189/0x250
[  587.326371][ T7780]  ? __pfx____ratelimit+0x10/0x10
[  587.326387][ T7780]  ? __pfx_dump_stack_lvl+0x10/0x10
[  587.326401][ T7780]  ? __pfx__printk+0x10/0x10
[  587.326415][ T7780]  ? __pfx___might_resched+0x10/0x10
[  587.326429][ T7780]  ? fs_reclaim_acquire+0x7d/0x100
[  587.326446][ T7780]  should_fail_ex+0x414/0x560
[  587.326463][ T7780]  should_failslab+0xa8/0x100
[  587.326478][ T7780]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  587.326490][ T7780]  ? alloc_inode+0x6a/0x1b0
[  587.326505][ T7780]  ? __pfx_simple_start_creating+0x10/0x10
[  587.326521][ T7780]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  587.326532][ T7780]  alloc_inode+0x6a/0x1b0
[  587.326546][ T7780]  new_inode+0x22/0x170
[  587.326562][ T7780]  __debugfs_create_file+0xb8/0x400
[  587.326574][ T7780]  debugfs_create_file_unsafe+0x3a/0x50
[  587.326586][ T7780]  nbd_start_device+0x39e/0xb10
[  587.326607][ T7780]  nbd_ioctl+0x56e/0xe10
[  587.326624][ T7780]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.326644][ T7780]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.326658][ T7780]  blkdev_ioctl+0x60e/0x710
[  587.326673][ T7780]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.326683][ T7780]  ? __fget_files+0x3a0/0x420
[  587.326697][ T7780]  ? __fget_files+0x2a/0x420
[  587.326712][ T7780]  ? bpf_lsm_file_ioctl+0x9/0x20
[  587.326725][ T7780]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.326737][ T7780]  __se_sys_ioctl+0xfc/0x170
[  587.326750][ T7780]  do_syscall_64+0xfa/0xfa0
[  587.326761][ T7780]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.326778][ T7780]  ? clear_bhb_loop+0x60/0xb0
[  587.326798][ T7780]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.326814][ T7780] RIP: 0033:0x7f8526259569
[  587.326830][ 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
[  587.326846][ T7780] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.326860][ T7780] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  587.326867][ T7780] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  587.326874][ T7780] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  587.326880][ T7780] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  587.326887][ T7780] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  587.326904][ T7780]  </TASK>
[  587.326910][ T7780] debugfs: out of free dentries, can not create file 'size_bytes'
[  587.632888][ T7780] block nbd0: shutting down sockets
[  587.673223][ T7782] block nbd0: Device being setup by another task
[  587.712143][ T7782] block nbd0: Device being setup by another task
[  587.803302][ T7784] FAULT_INJECTION: forcing a failure.
[  587.803302][ T7784] name failslab, interval 1, probability 0, space 0, times 0
[  587.816438][ T7784] CPU: 1 UID: 0 PID: 7784 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  587.816464][ T7784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  587.816474][ T7784] Call Trace:
[  587.816482][ T7784]  <TASK>
[  587.816489][ T7784]  dump_stack_lvl+0x189/0x250
[  587.816508][ T7784]  ? __pfx____ratelimit+0x10/0x10
[  587.816526][ T7784]  ? __pfx_dump_stack_lvl+0x10/0x10
[  587.816540][ T7784]  ? __pfx__printk+0x10/0x10
[  587.816555][ T7784]  ? __pfx___might_resched+0x10/0x10
[  587.816571][ T7784]  should_fail_ex+0x414/0x560
[  587.816589][ T7784]  should_failslab+0xa8/0x100
[  587.816604][ T7784]  kmem_cache_alloc_noprof+0x88/0x700
[  587.816617][ T7784]  ? security_inode_alloc+0x39/0x330
[  587.816630][ T7784]  security_inode_alloc+0x39/0x330
[  587.816643][ T7784]  inode_init_always_gfp+0x9ed/0xdc0
[  587.816660][ T7784]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  587.816670][ T7784]  alloc_inode+0x82/0x1b0
[  587.816684][ T7784]  new_inode+0x22/0x170
[  587.816700][ T7784]  __debugfs_create_file+0xb8/0x400
[  587.816712][ T7784]  debugfs_create_file_unsafe+0x3a/0x50
[  587.816724][ T7784]  nbd_start_device+0x39e/0xb10
[  587.816745][ T7784]  nbd_ioctl+0x56e/0xe10
[  587.816762][ T7784]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.816782][ T7784]  ? __pfx_nbd_ioctl+0x10/0x10
[  587.816796][ T7784]  blkdev_ioctl+0x60e/0x710
[  587.816811][ T7784]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.816822][ T7784]  ? __fget_files+0x3a0/0x420
[  587.816835][ T7784]  ? __fget_files+0x2a/0x420
[  587.816850][ T7784]  ? bpf_lsm_file_ioctl+0x9/0x20
[  587.816863][ T7784]  ? __pfx_blkdev_ioctl+0x10/0x10
[  587.816875][ T7784]  __se_sys_ioctl+0xfc/0x170
[  587.816888][ T7784]  do_syscall_64+0xfa/0xfa0
[  587.816899][ T7784]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.816909][ T7784]  ? clear_bhb_loop+0x60/0xb0
[  587.816921][ T7784]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  587.816931][ T7784] RIP: 0033:0x7f8526259569
[  587.816942][ T7784] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  587.816951][ T7784] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  587.816963][ T7784] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  587.816970][ T7784] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  587.816978][ T7784] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  587.816990][ T7784] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  587.817001][ T7784] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  587.817029][ T7784]  </TASK>
[  587.817061][ T7784] debugfs: out of free dentries, can not create file 'size_bytes'
[  588.122468][ T7784] block nbd0: shutting down sockets
[  588.193500][ T7786] block nbd0: Device being setup by another task
[  588.232261][ T7787] block nbd0: Device being setup by another task
[  588.323399][ T7789] FAULT_INJECTION: forcing a failure.
[  588.323399][ T7789] name failslab, interval 1, probability 0, space 0, times 0
[  588.336314][ T7789] CPU: 1 UID: 0 PID: 7789 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  588.336331][ T7789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  588.336338][ T7789] Call Trace:
[  588.336344][ T7789]  <TASK>
[  588.336350][ T7789]  dump_stack_lvl+0x189/0x250
[  588.336379][ T7789]  ? __pfx____ratelimit+0x10/0x10
[  588.336405][ T7789]  ? __pfx_dump_stack_lvl+0x10/0x10
[  588.336430][ T7789]  ? __pfx__printk+0x10/0x10
[  588.336447][ T7789]  ? __pfx___might_resched+0x10/0x10
[  588.336464][ T7789]  should_fail_ex+0x414/0x560
[  588.336484][ T7789]  should_failslab+0xa8/0x100
[  588.336499][ T7789]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  588.336512][ T7789]  ? __d_alloc+0x37/0x6f0
[  588.336524][ T7789]  __d_alloc+0x37/0x6f0
[  588.336537][ T7789]  d_alloc+0x4b/0x190
[  588.336550][ T7789]  ? lookup_one_qstr_excl+0xc8/0x360
[  588.336566][ T7789]  lookup_one_qstr_excl+0xdc/0x360
[  588.336580][ T7789]  ? lookup_noperm_common+0x245/0x430
[  588.336596][ T7789]  start_dirop+0x5c/0x90
[  588.336610][ T7789]  simple_start_creating+0xc4/0x100
[  588.336626][ T7789]  ? __pfx_simple_start_creating+0x10/0x10
[  588.336646][ T7789]  debugfs_start_creating+0xea/0x1b0
[  588.336657][ T7789]  __debugfs_create_file+0x6f/0x400
[  588.336669][ T7789]  debugfs_create_file_unsafe+0x3a/0x50
[  588.336681][ T7789]  nbd_start_device+0x3b6/0xb10
[  588.336702][ T7789]  nbd_ioctl+0x56e/0xe10
[  588.336719][ T7789]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.336739][ T7789]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.336753][ T7789]  blkdev_ioctl+0x60e/0x710
[  588.336768][ T7789]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.336778][ T7789]  ? __fget_files+0x3a0/0x420
[  588.336792][ T7789]  ? __fget_files+0x2a/0x420
[  588.336807][ T7789]  ? bpf_lsm_file_ioctl+0x9/0x20
[  588.336820][ T7789]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.336832][ T7789]  __se_sys_ioctl+0xfc/0x170
[  588.336844][ T7789]  do_syscall_64+0xfa/0xfa0
[  588.336856][ T7789]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.336870][ T7789]  ? clear_bhb_loop+0x60/0xb0
[  588.336882][ T7789]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.336892][ T7789] RIP: 0033:0x7f8526259569
[  588.336904][ T7789] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  588.336912][ T7789] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.336925][ T7789] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  588.336932][ T7789] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  588.336939][ T7789] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  588.336946][ T7789] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  588.336952][ T7789] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  588.336969][ T7789]  </TASK>
[  588.674085][ T7789] block nbd0: shutting down sockets
[  588.773289][ T7791] FAULT_INJECTION: forcing a failure.
[  588.773289][ T7791] name failslab, interval 1, probability 0, space 0, times 0
[  588.786168][ T7791] CPU: 0 UID: 0 PID: 7791 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  588.786200][ T7791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  588.786208][ T7791] Call Trace:
[  588.786214][ T7791]  <TASK>
[  588.786220][ T7791]  dump_stack_lvl+0x189/0x250
[  588.786240][ T7791]  ? __pfx____ratelimit+0x10/0x10
[  588.786256][ T7791]  ? __pfx_dump_stack_lvl+0x10/0x10
[  588.786270][ T7791]  ? __pfx__printk+0x10/0x10
[  588.786285][ T7791]  ? __pfx___might_resched+0x10/0x10
[  588.786302][ T7791]  should_fail_ex+0x414/0x560
[  588.786319][ T7791]  should_failslab+0xa8/0x100
[  588.786334][ T7791]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  588.786347][ T7791]  ? __d_alloc+0x37/0x6f0
[  588.786359][ T7791]  __d_alloc+0x37/0x6f0
[  588.786372][ T7791]  d_alloc+0x4b/0x190
[  588.786380][ T7791]  ? lookup_one_qstr_excl+0xc8/0x360
[  588.786403][ T7791]  lookup_one_qstr_excl+0xdc/0x360
[  588.786417][ T7791]  ? lookup_noperm_common+0x245/0x430
[  588.786433][ T7791]  start_dirop+0x5c/0x90
[  588.786448][ T7791]  simple_start_creating+0xc4/0x100
[  588.786463][ T7791]  ? __pfx_simple_start_creating+0x10/0x10
[  588.786484][ T7791]  debugfs_start_creating+0xea/0x1b0
[  588.786495][ T7791]  __debugfs_create_file+0x6f/0x400
[  588.786507][ T7791]  debugfs_create_file_unsafe+0x3a/0x50
[  588.786519][ T7791]  nbd_start_device+0x3b6/0xb10
[  588.786539][ T7791]  nbd_ioctl+0x56e/0xe10
[  588.786557][ T7791]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.786576][ T7791]  ? __pfx_nbd_ioctl+0x10/0x10
[  588.786590][ T7791]  blkdev_ioctl+0x60e/0x710
[  588.786605][ T7791]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.786619][ T7791]  ? __fget_files+0x3a0/0x420
[  588.786633][ T7791]  ? __fget_files+0x2a/0x420
[  588.786648][ T7791]  ? bpf_lsm_file_ioctl+0x9/0x20
[  588.786661][ T7791]  ? __pfx_blkdev_ioctl+0x10/0x10
[  588.786673][ T7791]  __se_sys_ioctl+0xfc/0x170
[  588.786686][ T7791]  do_syscall_64+0xfa/0xfa0
[  588.786698][ T7791]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.786707][ T7791]  ? clear_bhb_loop+0x60/0xb0
[  588.786720][ T7791]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  588.786730][ T7791] RIP: 0033:0x7f8526259569
[  588.786741][ 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
[  588.786750][ T7791] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  588.786762][ T7791] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  588.786769][ T7791] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  588.786775][ T7791] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  588.786782][ T7791] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  588.786789][ T7791] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  588.786805][ T7791]  </TASK>
[  589.183237][ T7791] block nbd0: shutting down sockets
[  589.293622][ T7793] FAULT_INJECTION: forcing a failure.
[  589.293622][ T7793] name failslab, interval 1, probability 0, space 0, times 0
[  589.306357][ T7793] CPU: 1 UID: 0 PID: 7793 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  589.306373][ T7793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  589.306390][ T7793] Call Trace:
[  589.306396][ T7793]  <TASK>
[  589.306402][ T7793]  dump_stack_lvl+0x189/0x250
[  589.306422][ T7793]  ? __pfx____ratelimit+0x10/0x10
[  589.306438][ T7793]  ? __pfx_dump_stack_lvl+0x10/0x10
[  589.306453][ T7793]  ? __pfx__printk+0x10/0x10
[  589.306468][ T7793]  ? __pfx___might_resched+0x10/0x10
[  589.306485][ T7793]  should_fail_ex+0x414/0x560
[  589.306502][ T7793]  should_failslab+0xa8/0x100
[  589.306518][ T7793]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  589.306531][ T7793]  ? __d_alloc+0x37/0x6f0
[  589.306544][ T7793]  __d_alloc+0x37/0x6f0
[  589.306556][ T7793]  d_alloc+0x4b/0x190
[  589.306568][ T7793]  ? lookup_one_qstr_excl+0xc8/0x360
[  589.306595][ T7793]  lookup_one_qstr_excl+0xdc/0x360
[  589.306619][ T7793]  ? lookup_noperm_common+0x245/0x430
[  589.306646][ T7793]  start_dirop+0x5c/0x90
[  589.306661][ T7793]  simple_start_creating+0xc4/0x100
[  589.306677][ T7793]  ? __pfx_simple_start_creating+0x10/0x10
[  589.306697][ T7793]  debugfs_start_creating+0xea/0x1b0
[  589.306709][ T7793]  __debugfs_create_file+0x6f/0x400
[  589.306721][ T7793]  debugfs_create_file_unsafe+0x3a/0x50
[  589.306733][ T7793]  nbd_start_device+0x3b6/0xb10
[  589.306769][ T7793]  nbd_ioctl+0x56e/0xe10
[  589.306786][ T7793]  ? __pfx_nbd_ioctl+0x10/0x10
[  589.306806][ T7793]  ? __pfx_nbd_ioctl+0x10/0x10
[  589.306820][ T7793]  blkdev_ioctl+0x60e/0x710
[  589.306835][ T7793]  ? __pfx_blkdev_ioctl+0x10/0x10
[  589.306845][ T7793]  ? __fget_files+0x3a0/0x420
[  589.306859][ T7793]  ? __fget_files+0x2a/0x420
[  589.306874][ T7793]  ? bpf_lsm_file_ioctl+0x9/0x20
[  589.306887][ T7793]  ? __pfx_blkdev_ioctl+0x10/0x10
[  589.306899][ T7793]  __se_sys_ioctl+0xfc/0x170
[  589.306911][ T7793]  do_syscall_64+0xfa/0xfa0
[  589.306923][ T7793]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.306933][ T7793]  ? clear_bhb_loop+0x60/0xb0
[  589.306946][ T7793]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  589.306955][ T7793] RIP: 0033:0x7f8526259569
[  589.306966][ T7793] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  589.306975][ T7793] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  589.306987][ T7793] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  589.306994][ T7793] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  589.307001][ T7793] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  589.307008][ T7793] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  589.307014][ T7793] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  589.307031][ T7793]  </TASK>
[  589.703286][ T7793] block nbd0: shutting down sockets
[  589.822253][ T7797] block nbd0: Device being setup by another task
[  590.000528][ T7796] block nbd0: shutting down sockets
[  590.256725][ T7799] block nbd0: shutting down sockets
[  590.363484][ T7801] FAULT_INJECTION: forcing a failure.
[  590.363484][ T7801] name failslab, interval 1, probability 0, space 0, times 0
[  590.376606][ T7801] CPU: 1 UID: 0 PID: 7801 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  590.376630][ T7801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  590.376641][ T7801] Call Trace:
[  590.376649][ T7801]  <TASK>
[  590.376656][ T7801]  dump_stack_lvl+0x189/0x250
[  590.376685][ T7801]  ? __pfx____ratelimit+0x10/0x10
[  590.376710][ T7801]  ? __pfx_dump_stack_lvl+0x10/0x10
[  590.376732][ T7801]  ? __pfx__printk+0x10/0x10
[  590.376758][ T7801]  ? __pfx___might_resched+0x10/0x10
[  590.376787][ T7801]  should_fail_ex+0x414/0x560
[  590.376816][ T7801]  should_failslab+0xa8/0x100
[  590.376840][ T7801]  kmem_cache_alloc_noprof+0x88/0x700
[  590.376861][ T7801]  ? security_inode_alloc+0x39/0x330
[  590.376887][ T7801]  security_inode_alloc+0x39/0x330
[  590.376909][ T7801]  inode_init_always_gfp+0x9ed/0xdc0
[  590.376950][ T7801]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  590.376969][ T7801]  alloc_inode+0x82/0x1b0
[  590.376992][ T7801]  new_inode+0x22/0x170
[  590.377021][ T7801]  __debugfs_create_file+0xb8/0x400
[  590.377044][ T7801]  debugfs_create_file_unsafe+0x3a/0x50
[  590.377064][ T7801]  nbd_start_device+0x39e/0xb10
[  590.377100][ T7801]  nbd_ioctl+0x56e/0xe10
[  590.377130][ T7801]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.377166][ T7801]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.377192][ T7801]  blkdev_ioctl+0x60e/0x710
[  590.377217][ T7801]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.377235][ T7801]  ? __fget_files+0x3a0/0x420
[  590.377299][ T7801]  ? __fget_files+0x2a/0x420
[  590.377325][ T7801]  ? bpf_lsm_file_ioctl+0x9/0x20
[  590.377348][ T7801]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.377374][ T7801]  __se_sys_ioctl+0xfc/0x170
[  590.377397][ T7801]  do_syscall_64+0xfa/0xfa0
[  590.377416][ T7801]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.377434][ T7801]  ? clear_bhb_loop+0x60/0xb0
[  590.377455][ T7801]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.377473][ T7801] RIP: 0033:0x7f8526259569
[  590.377491][ T7801] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  590.377506][ T7801] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  590.377526][ T7801] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  590.377540][ T7801] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  590.377551][ T7801] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  590.377564][ T7801] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  590.377576][ T7801] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  590.377609][ T7801]  </TASK>
[  590.377635][ T7801] debugfs: out of free dentries, can not create file 'size_bytes'
[  590.702470][ T7801] block nbd0: shutting down sockets
[  590.803734][ T7803] FAULT_INJECTION: forcing a failure.
[  590.803734][ T7803] name failslab, interval 1, probability 0, space 0, times 0
[  590.816858][ T7803] CPU: 0 UID: 0 PID: 7803 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  590.816882][ T7803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  590.816913][ T7803] Call Trace:
[  590.816925][ T7803]  <TASK>
[  590.816934][ T7803]  dump_stack_lvl+0x189/0x250
[  590.816956][ T7803]  ? __pfx____ratelimit+0x10/0x10
[  590.816982][ T7803]  ? __pfx_dump_stack_lvl+0x10/0x10
[  590.816996][ T7803]  ? __pfx__printk+0x10/0x10
[  590.817011][ T7803]  ? __pfx___might_resched+0x10/0x10
[  590.817028][ T7803]  should_fail_ex+0x414/0x560
[  590.817046][ T7803]  should_failslab+0xa8/0x100
[  590.817062][ T7803]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  590.817084][ T7803]  ? __d_alloc+0x37/0x6f0
[  590.817106][ T7803]  __d_alloc+0x37/0x6f0
[  590.817138][ T7803]  d_alloc+0x4b/0x190
[  590.817158][ T7803]  ? lookup_one_qstr_excl+0xc8/0x360
[  590.817186][ T7803]  lookup_one_qstr_excl+0xdc/0x360
[  590.817202][ T7803]  ? lookup_noperm_common+0x245/0x430
[  590.817218][ T7803]  start_dirop+0x5c/0x90
[  590.817233][ T7803]  simple_start_creating+0xc4/0x100
[  590.817249][ T7803]  ? __pfx_simple_start_creating+0x10/0x10
[  590.817269][ T7803]  debugfs_start_creating+0xea/0x1b0
[  590.817281][ T7803]  __debugfs_create_file+0x6f/0x400
[  590.817293][ T7803]  debugfs_create_file_unsafe+0x3a/0x50
[  590.817304][ T7803]  nbd_start_device+0x3b6/0xb10
[  590.817325][ T7803]  nbd_ioctl+0x56e/0xe10
[  590.817342][ T7803]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.817362][ T7803]  ? __pfx_nbd_ioctl+0x10/0x10
[  590.817376][ T7803]  blkdev_ioctl+0x60e/0x710
[  590.817391][ T7803]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.817402][ T7803]  ? __fget_files+0x3a0/0x420
[  590.817415][ T7803]  ? __fget_files+0x2a/0x420
[  590.817430][ T7803]  ? bpf_lsm_file_ioctl+0x9/0x20
[  590.817443][ T7803]  ? __pfx_blkdev_ioctl+0x10/0x10
[  590.817455][ T7803]  __se_sys_ioctl+0xfc/0x170
[  590.817468][ T7803]  do_syscall_64+0xfa/0xfa0
[  590.817479][ T7803]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.817489][ T7803]  ? clear_bhb_loop+0x60/0xb0
[  590.817501][ T7803]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  590.817512][ T7803] RIP: 0033:0x7f8526259569
[  590.817523][ T7803] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  590.817532][ T7803] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  590.817544][ T7803] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  590.817552][ T7803] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  590.817558][ T7803] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  590.817565][ T7803] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  590.817572][ T7803] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  590.817589][ T7803]  </TASK>
[  591.186782][ T7803] block nbd0: shutting down sockets
[  591.292985][ T7805] FAULT_INJECTION: forcing a failure.
[  591.292985][ T7805] name failslab, interval 1, probability 0, space 0, times 0
[  591.306444][ T7805] CPU: 0 UID: 0 PID: 7805 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  591.306467][ T7805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  591.306478][ T7805] Call Trace:
[  591.306486][ T7805]  <TASK>
[  591.306492][ T7805]  dump_stack_lvl+0x189/0x250
[  591.306511][ T7805]  ? __pfx____ratelimit+0x10/0x10
[  591.306527][ T7805]  ? __pfx_dump_stack_lvl+0x10/0x10
[  591.306541][ T7805]  ? __pfx__printk+0x10/0x10
[  591.306556][ T7805]  ? __pfx___might_resched+0x10/0x10
[  591.306573][ T7805]  should_fail_ex+0x414/0x560
[  591.306589][ T7805]  should_failslab+0xa8/0x100
[  591.306604][ T7805]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  591.306617][ T7805]  ? __d_alloc+0x37/0x6f0
[  591.306629][ T7805]  __d_alloc+0x37/0x6f0
[  591.306642][ T7805]  d_alloc+0x4b/0x190
[  591.306649][ T7805]  ? lookup_one_qstr_excl+0xc8/0x360
[  591.306665][ T7805]  lookup_one_qstr_excl+0xdc/0x360
[  591.306679][ T7805]  ? lookup_noperm_common+0x245/0x430
[  591.306695][ T7805]  start_dirop+0x5c/0x90
[  591.306710][ T7805]  simple_start_creating+0xc4/0x100
[  591.306725][ T7805]  ? __pfx_simple_start_creating+0x10/0x10
[  591.306746][ T7805]  debugfs_start_creating+0xea/0x1b0
[  591.306757][ T7805]  __debugfs_create_file+0x6f/0x400
[  591.306769][ T7805]  debugfs_create_file_unsafe+0x3a/0x50
[  591.306780][ T7805]  nbd_start_device+0x3b6/0xb10
[  591.306801][ T7805]  nbd_ioctl+0x56e/0xe10
[  591.306818][ T7805]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.306837][ T7805]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.306852][ T7805]  blkdev_ioctl+0x60e/0x710
[  591.306869][ T7805]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.306880][ T7805]  ? __fget_files+0x3a0/0x420
[  591.306893][ T7805]  ? __fget_files+0x2a/0x420
[  591.306908][ T7805]  ? bpf_lsm_file_ioctl+0x9/0x20
[  591.306921][ T7805]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.306933][ T7805]  __se_sys_ioctl+0xfc/0x170
[  591.306946][ T7805]  do_syscall_64+0xfa/0xfa0
[  591.306957][ T7805]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.306967][ T7805]  ? clear_bhb_loop+0x60/0xb0
[  591.306979][ T7805]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.306989][ T7805] RIP: 0033:0x7f8526259569
[  591.306999][ 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
[  591.307008][ T7805] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  591.307021][ T7805] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  591.307028][ T7805] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  591.307034][ T7805] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  591.307041][ T7805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  591.307047][ T7805] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  591.307064][ T7805]  </TASK>
[  591.677003][ T7805] block nbd0: shutting down sockets
[  591.753238][ T7808] FAULT_INJECTION: forcing a failure.
[  591.753238][ T7808] name failslab, interval 1, probability 0, space 0, times 0
[  591.766359][ T7808] CPU: 1 UID: 0 PID: 7808 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  591.766376][ T7808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  591.766383][ T7808] Call Trace:
[  591.766390][ T7808]  <TASK>
[  591.766395][ T7808]  dump_stack_lvl+0x189/0x250
[  591.766415][ T7808]  ? __pfx____ratelimit+0x10/0x10
[  591.766431][ T7808]  ? __pfx_dump_stack_lvl+0x10/0x10
[  591.766445][ T7808]  ? __pfx__printk+0x10/0x10
[  591.766460][ T7808]  ? __pfx___might_resched+0x10/0x10
[  591.766477][ T7808]  should_fail_ex+0x414/0x560
[  591.766494][ T7808]  should_failslab+0xa8/0x100
[  591.766509][ T7808]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  591.766522][ T7808]  ? __d_alloc+0x37/0x6f0
[  591.766534][ T7808]  __d_alloc+0x37/0x6f0
[  591.766547][ T7808]  d_alloc+0x4b/0x190
[  591.766554][ T7808]  ? lookup_one_qstr_excl+0xc8/0x360
[  591.766571][ T7808]  lookup_one_qstr_excl+0xdc/0x360
[  591.766584][ T7808]  ? lookup_noperm_common+0x245/0x430
[  591.766600][ T7808]  start_dirop+0x5c/0x90
[  591.766615][ T7808]  simple_start_creating+0xc4/0x100
[  591.766630][ T7808]  ? __pfx_simple_start_creating+0x10/0x10
[  591.766651][ T7808]  debugfs_start_creating+0xea/0x1b0
[  591.766663][ T7808]  __debugfs_create_file+0x6f/0x400
[  591.766675][ T7808]  debugfs_create_file_unsafe+0x3a/0x50
[  591.766686][ T7808]  nbd_start_device+0x3b6/0xb10
[  591.766708][ T7808]  nbd_ioctl+0x56e/0xe10
[  591.766724][ T7808]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.766757][ T7808]  ? __pfx_nbd_ioctl+0x10/0x10
[  591.766781][ T7808]  blkdev_ioctl+0x60e/0x710
[  591.766806][ T7808]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.766821][ T7808]  ? __fget_files+0x3a0/0x420
[  591.766835][ T7808]  ? __fget_files+0x2a/0x420
[  591.766850][ T7808]  ? bpf_lsm_file_ioctl+0x9/0x20
[  591.766864][ T7808]  ? __pfx_blkdev_ioctl+0x10/0x10
[  591.766878][ T7808]  __se_sys_ioctl+0xfc/0x170
[  591.766891][ T7808]  do_syscall_64+0xfa/0xfa0
[  591.766902][ T7808]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.766912][ T7808]  ? clear_bhb_loop+0x60/0xb0
[  591.766925][ T7808]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  591.766934][ T7808] RIP: 0033:0x7f8526259569
[  591.766945][ T7808] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  591.766954][ T7808] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  591.766965][ T7808] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  591.766973][ T7808] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  591.766979][ T7808] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  591.766986][ T7808] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  591.766992][ T7808] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  591.767009][ T7808]  </TASK>
[  592.092688][ T7808] block nbd0: shutting down sockets
[  592.175039][ T7810] FAULT_INJECTION: forcing a failure.
[  592.175039][ T7810] name failslab, interval 1, probability 0, space 0, times 0
[  592.187911][ T7810] CPU: 0 UID: 0 PID: 7810 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  592.187937][ T7810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  592.187947][ T7810] Call Trace:
[  592.187953][ T7810]  <TASK>
[  592.187959][ T7810]  dump_stack_lvl+0x189/0x250
[  592.187979][ T7810]  ? __pfx____ratelimit+0x10/0x10
[  592.187995][ T7810]  ? __pfx_dump_stack_lvl+0x10/0x10
[  592.188009][ T7810]  ? __pfx__printk+0x10/0x10
[  592.188024][ T7810]  ? __pfx___might_resched+0x10/0x10
[  592.188046][ T7810]  should_fail_ex+0x414/0x560
[  592.188075][ T7810]  should_failslab+0xa8/0x100
[  592.188109][ T7810]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  592.188131][ T7810]  ? __d_alloc+0x37/0x6f0
[  592.188147][ T7810]  __d_alloc+0x37/0x6f0
[  592.188160][ T7810]  d_alloc+0x4b/0x190
[  592.188168][ T7810]  ? lookup_one_qstr_excl+0xc8/0x360
[  592.188184][ T7810]  lookup_one_qstr_excl+0xdc/0x360
[  592.188198][ T7810]  ? lookup_noperm_common+0x245/0x430
[  592.188214][ T7810]  start_dirop+0x5c/0x90
[  592.188228][ T7810]  simple_start_creating+0xc4/0x100
[  592.188244][ T7810]  ? __pfx_simple_start_creating+0x10/0x10
[  592.188265][ T7810]  debugfs_start_creating+0xea/0x1b0
[  592.188276][ T7810]  __debugfs_create_file+0x6f/0x400
[  592.188288][ T7810]  debugfs_create_file_unsafe+0x3a/0x50
[  592.188300][ T7810]  nbd_start_device+0x3b6/0xb10
[  592.188321][ T7810]  nbd_ioctl+0x56e/0xe10
[  592.188338][ T7810]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.188358][ T7810]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.188372][ T7810]  blkdev_ioctl+0x60e/0x710
[  592.188387][ T7810]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.188398][ T7810]  ? __fget_files+0x3a0/0x420
[  592.188412][ T7810]  ? __fget_files+0x2a/0x420
[  592.188426][ T7810]  ? bpf_lsm_file_ioctl+0x9/0x20
[  592.188439][ T7810]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.188451][ T7810]  __se_sys_ioctl+0xfc/0x170
[  592.188463][ T7810]  do_syscall_64+0xfa/0xfa0
[  592.188476][ T7810]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.188485][ T7810]  ? clear_bhb_loop+0x60/0xb0
[  592.188498][ T7810]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.188507][ T7810] RIP: 0033:0x7f8526259569
[  592.188519][ 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
[  592.188528][ T7810] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  592.188540][ T7810] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  592.188547][ T7810] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  592.188553][ T7810] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  592.188560][ T7810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  592.188567][ T7810] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  592.188584][ T7810]  </TASK>
[  592.502380][ T7810] block nbd0: shutting down sockets
[  592.593548][ T7812] FAULT_INJECTION: forcing a failure.
[  592.593548][ T7812] name failslab, interval 1, probability 0, space 0, times 0
[  592.606643][ T7812] CPU: 1 UID: 0 PID: 7812 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  592.606659][ T7812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  592.606666][ T7812] Call Trace:
[  592.606674][ T7812]  <TASK>
[  592.606680][ T7812]  dump_stack_lvl+0x189/0x250
[  592.606698][ T7812]  ? __pfx____ratelimit+0x10/0x10
[  592.606714][ T7812]  ? __pfx_dump_stack_lvl+0x10/0x10
[  592.606734][ T7812]  ? __pfx__printk+0x10/0x10
[  592.606752][ T7812]  ? __pfx___might_resched+0x10/0x10
[  592.606772][ T7812]  should_fail_ex+0x414/0x560
[  592.606788][ T7812]  should_failslab+0xa8/0x100
[  592.606803][ T7812]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  592.606817][ T7812]  ? __d_alloc+0x37/0x6f0
[  592.606831][ T7812]  __d_alloc+0x37/0x6f0
[  592.606853][ T7812]  d_alloc+0x4b/0x190
[  592.606867][ T7812]  ? lookup_one_qstr_excl+0xc8/0x360
[  592.606893][ T7812]  lookup_one_qstr_excl+0xdc/0x360
[  592.606918][ T7812]  ? lookup_noperm_common+0x245/0x430
[  592.606934][ T7812]  start_dirop+0x5c/0x90
[  592.606949][ T7812]  simple_start_creating+0xc4/0x100
[  592.606965][ T7812]  ? __pfx_simple_start_creating+0x10/0x10
[  592.606985][ T7812]  debugfs_start_creating+0xea/0x1b0
[  592.607004][ T7812]  __debugfs_create_file+0x6f/0x400
[  592.607017][ T7812]  debugfs_create_file_unsafe+0x3a/0x50
[  592.607028][ T7812]  nbd_start_device+0x3b6/0xb10
[  592.607049][ T7812]  nbd_ioctl+0x56e/0xe10
[  592.607066][ T7812]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.607086][ T7812]  ? __pfx_nbd_ioctl+0x10/0x10
[  592.607103][ T7812]  blkdev_ioctl+0x60e/0x710
[  592.607118][ T7812]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.607129][ T7812]  ? __fget_files+0x3a0/0x420
[  592.607144][ T7812]  ? __fget_files+0x2a/0x420
[  592.607159][ T7812]  ? bpf_lsm_file_ioctl+0x9/0x20
[  592.607172][ T7812]  ? __pfx_blkdev_ioctl+0x10/0x10
[  592.607184][ T7812]  __se_sys_ioctl+0xfc/0x170
[  592.607197][ T7812]  do_syscall_64+0xfa/0xfa0
[  592.607209][ T7812]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.607219][ T7812]  ? clear_bhb_loop+0x60/0xb0
[  592.607231][ T7812]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  592.607241][ T7812] RIP: 0033:0x7f8526259569
[  592.607252][ 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
[  592.607260][ T7812] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  592.607272][ T7812] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  592.607280][ T7812] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  592.607286][ T7812] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  592.607293][ T7812] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  592.607299][ T7812] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  592.607316][ T7812]  </TASK>
[  592.955926][ T7812] block nbd0: shutting down sockets
[  593.053312][ T7814] FAULT_INJECTION: forcing a failure.
[  593.053312][ T7814] name failslab, interval 1, probability 0, space 0, times 0
[  593.066570][ T7814] CPU: 0 UID: 0 PID: 7814 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  593.066595][ T7814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  593.066604][ T7814] Call Trace:
[  593.066614][ T7814]  <TASK>
[  593.066622][ T7814]  dump_stack_lvl+0x189/0x250
[  593.066651][ T7814]  ? __pfx____ratelimit+0x10/0x10
[  593.066675][ T7814]  ? __pfx_dump_stack_lvl+0x10/0x10
[  593.066690][ T7814]  ? __pfx__printk+0x10/0x10
[  593.066705][ T7814]  ? __pfx___might_resched+0x10/0x10
[  593.066721][ T7814]  should_fail_ex+0x414/0x560
[  593.066738][ T7814]  should_failslab+0xa8/0x100
[  593.066754][ T7814]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  593.066767][ T7814]  ? __d_alloc+0x37/0x6f0
[  593.066831][ T7814]  __d_alloc+0x37/0x6f0
[  593.066844][ T7814]  d_alloc+0x4b/0x190
[  593.066851][ T7814]  ? lookup_one_qstr_excl+0xc8/0x360
[  593.066868][ T7814]  lookup_one_qstr_excl+0xdc/0x360
[  593.066882][ T7814]  ? lookup_noperm_common+0x245/0x430
[  593.066898][ T7814]  start_dirop+0x5c/0x90
[  593.066912][ T7814]  simple_start_creating+0xc4/0x100
[  593.066928][ T7814]  ? __pfx_simple_start_creating+0x10/0x10
[  593.066948][ T7814]  debugfs_start_creating+0xea/0x1b0
[  593.066960][ T7814]  __debugfs_create_file+0x6f/0x400
[  593.066972][ T7814]  debugfs_create_file_unsafe+0x3a/0x50
[  593.066984][ T7814]  nbd_start_device+0x3b6/0xb10
[  593.067004][ T7814]  nbd_ioctl+0x56e/0xe10
[  593.067022][ T7814]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.067044][ T7814]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.067058][ T7814]  blkdev_ioctl+0x60e/0x710
[  593.067073][ T7814]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.067084][ T7814]  ? __fget_files+0x3a0/0x420
[  593.067097][ T7814]  ? __fget_files+0x2a/0x420
[  593.067112][ T7814]  ? bpf_lsm_file_ioctl+0x9/0x20
[  593.067125][ T7814]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.067139][ T7814]  __se_sys_ioctl+0xfc/0x170
[  593.067152][ T7814]  do_syscall_64+0xfa/0xfa0
[  593.067163][ T7814]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.067173][ T7814]  ? clear_bhb_loop+0x60/0xb0
[  593.067185][ T7814]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.067195][ T7814] RIP: 0033:0x7f8526259569
[  593.067206][ 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
[  593.067215][ T7814] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  593.067227][ T7814] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  593.067234][ T7814] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  593.067241][ T7814] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  593.067248][ T7814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  593.067255][ T7814] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  593.067271][ T7814]  </TASK>
[  593.404618][ T7814] block nbd0: shutting down sockets
[  593.523270][ T7816] FAULT_INJECTION: forcing a failure.
[  593.523270][ T7816] name failslab, interval 1, probability 0, space 0, times 0
[  593.536534][ T7816] CPU: 1 UID: 0 PID: 7816 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  593.536550][ T7816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  593.536557][ T7816] Call Trace:
[  593.536565][ T7816]  <TASK>
[  593.536571][ T7816]  dump_stack_lvl+0x189/0x250
[  593.536591][ T7816]  ? __pfx____ratelimit+0x10/0x10
[  593.536606][ T7816]  ? __pfx_dump_stack_lvl+0x10/0x10
[  593.536620][ T7816]  ? __pfx__printk+0x10/0x10
[  593.536648][ T7816]  ? __pfx___might_resched+0x10/0x10
[  593.536664][ T7816]  should_fail_ex+0x414/0x560
[  593.536688][ T7816]  should_failslab+0xa8/0x100
[  593.536703][ T7816]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  593.536717][ T7816]  ? __d_alloc+0x37/0x6f0
[  593.536729][ T7816]  __d_alloc+0x37/0x6f0
[  593.536742][ T7816]  d_alloc+0x4b/0x190
[  593.536755][ T7816]  ? lookup_one_qstr_excl+0xc8/0x360
[  593.536775][ T7816]  lookup_one_qstr_excl+0xdc/0x360
[  593.536789][ T7816]  ? lookup_noperm_common+0x245/0x430
[  593.536805][ T7816]  start_dirop+0x5c/0x90
[  593.536819][ T7816]  simple_start_creating+0xc4/0x100
[  593.536835][ T7816]  ? __pfx_simple_start_creating+0x10/0x10
[  593.536856][ T7816]  debugfs_start_creating+0xea/0x1b0
[  593.536868][ T7816]  __debugfs_create_file+0x6f/0x400
[  593.536880][ T7816]  debugfs_create_file_unsafe+0x3a/0x50
[  593.536892][ T7816]  nbd_start_device+0x3b6/0xb10
[  593.536913][ T7816]  nbd_ioctl+0x56e/0xe10
[  593.536932][ T7816]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.536952][ T7816]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.536966][ T7816]  blkdev_ioctl+0x60e/0x710
[  593.536981][ T7816]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.536991][ T7816]  ? __fget_files+0x3a0/0x420
[  593.537005][ T7816]  ? __fget_files+0x2a/0x420
[  593.537020][ T7816]  ? bpf_lsm_file_ioctl+0x9/0x20
[  593.537033][ T7816]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.537045][ T7816]  __se_sys_ioctl+0xfc/0x170
[  593.537057][ T7816]  do_syscall_64+0xfa/0xfa0
[  593.537069][ T7816]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.537079][ T7816]  ? clear_bhb_loop+0x60/0xb0
[  593.537091][ T7816]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.537101][ T7816] RIP: 0033:0x7f8526259569
[  593.537112][ T7816] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  593.537121][ T7816] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  593.537133][ T7816] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  593.537140][ T7816] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  593.537146][ T7816] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  593.537153][ T7816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  593.537160][ T7816] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  593.537177][ T7816]  </TASK>
[  593.855755][ T7816] block nbd0: shutting down sockets
[  593.953220][ T7818] FAULT_INJECTION: forcing a failure.
[  593.953220][ T7818] name failslab, interval 1, probability 0, space 0, times 0
[  593.966314][ T7818] CPU: 0 UID: 0 PID: 7818 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  593.966331][ T7818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  593.966339][ T7818] Call Trace:
[  593.966346][ T7818]  <TASK>
[  593.966352][ T7818]  dump_stack_lvl+0x189/0x250
[  593.966371][ T7818]  ? __pfx____ratelimit+0x10/0x10
[  593.966387][ T7818]  ? __pfx_dump_stack_lvl+0x10/0x10
[  593.966401][ T7818]  ? __pfx__printk+0x10/0x10
[  593.966416][ T7818]  ? __pfx___might_resched+0x10/0x10
[  593.966433][ T7818]  should_fail_ex+0x414/0x560
[  593.966451][ T7818]  should_failslab+0xa8/0x100
[  593.966466][ T7818]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  593.966479][ T7818]  ? __d_alloc+0x37/0x6f0
[  593.966491][ T7818]  __d_alloc+0x37/0x6f0
[  593.966504][ T7818]  d_alloc+0x4b/0x190
[  593.966512][ T7818]  ? lookup_one_qstr_excl+0xc8/0x360
[  593.966529][ T7818]  lookup_one_qstr_excl+0xdc/0x360
[  593.966543][ T7818]  ? lookup_noperm_common+0x245/0x430
[  593.966559][ T7818]  start_dirop+0x5c/0x90
[  593.966573][ T7818]  simple_start_creating+0xc4/0x100
[  593.966604][ T7818]  ? __pfx_simple_start_creating+0x10/0x10
[  593.966639][ T7818]  debugfs_start_creating+0xea/0x1b0
[  593.966752][ T7818]  __debugfs_create_file+0x6f/0x400
[  593.966764][ T7818]  debugfs_create_file_unsafe+0x3a/0x50
[  593.966779][ T7818]  nbd_start_device+0x3b6/0xb10
[  593.966801][ T7818]  nbd_ioctl+0x56e/0xe10
[  593.966817][ T7818]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.966837][ T7818]  ? __pfx_nbd_ioctl+0x10/0x10
[  593.966852][ T7818]  blkdev_ioctl+0x60e/0x710
[  593.966872][ T7818]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.966883][ T7818]  ? __fget_files+0x3a0/0x420
[  593.966900][ T7818]  ? __fget_files+0x2a/0x420
[  593.966921][ T7818]  ? bpf_lsm_file_ioctl+0x9/0x20
[  593.966935][ T7818]  ? __pfx_blkdev_ioctl+0x10/0x10
[  593.966947][ T7818]  __se_sys_ioctl+0xfc/0x170
[  593.966960][ T7818]  do_syscall_64+0xfa/0xfa0
[  593.966972][ T7818]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.966982][ T7818]  ? clear_bhb_loop+0x60/0xb0
[  593.966995][ T7818]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  593.967007][ T7818] RIP: 0033:0x7f8526259569
[  593.967018][ T7818] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  593.967027][ T7818] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  593.967039][ T7818] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  593.967046][ T7818] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  593.967052][ T7818] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  593.967059][ T7818] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  593.967066][ T7818] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  593.967082][ T7818]  </TASK>
[  594.282492][ T7818] block nbd0: shutting down sockets
[  594.413020][ T7820] FAULT_INJECTION: forcing a failure.
[  594.413020][ T7820] name failslab, interval 1, probability 0, space 0, times 0
[  594.426464][ T7820] CPU: 1 UID: 0 PID: 7820 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  594.426483][ T7820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  594.426490][ T7820] Call Trace:
[  594.426497][ T7820]  <TASK>
[  594.426503][ T7820]  dump_stack_lvl+0x189/0x250
[  594.426523][ T7820]  ? __pfx____ratelimit+0x10/0x10
[  594.426547][ T7820]  ? __pfx_dump_stack_lvl+0x10/0x10
[  594.426561][ T7820]  ? __pfx__printk+0x10/0x10
[  594.426585][ T7820]  ? __pfx___might_resched+0x10/0x10
[  594.426614][ T7820]  should_fail_ex+0x414/0x560
[  594.426643][ T7820]  should_failslab+0xa8/0x100
[  594.426666][ T7820]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  594.426679][ T7820]  ? __d_alloc+0x37/0x6f0
[  594.426691][ T7820]  __d_alloc+0x37/0x6f0
[  594.426704][ T7820]  d_alloc+0x4b/0x190
[  594.426712][ T7820]  ? lookup_one_qstr_excl+0xc8/0x360
[  594.426727][ T7820]  lookup_one_qstr_excl+0xdc/0x360
[  594.426742][ T7820]  ? lookup_noperm_common+0x245/0x430
[  594.426758][ T7820]  start_dirop+0x5c/0x90
[  594.426772][ T7820]  simple_start_creating+0xc4/0x100
[  594.426788][ T7820]  ? __pfx_simple_start_creating+0x10/0x10
[  594.426809][ T7820]  debugfs_start_creating+0xea/0x1b0
[  594.426821][ T7820]  __debugfs_create_file+0x6f/0x400
[  594.426842][ T7820]  debugfs_create_file_unsafe+0x3a/0x50
[  594.426854][ T7820]  nbd_start_device+0x3b6/0xb10
[  594.426875][ T7820]  nbd_ioctl+0x56e/0xe10
[  594.426891][ T7820]  ? __pfx_nbd_ioctl+0x10/0x10
[  594.426911][ T7820]  ? __pfx_nbd_ioctl+0x10/0x10
[  594.426925][ T7820]  blkdev_ioctl+0x60e/0x710
[  594.426940][ T7820]  ? __pfx_blkdev_ioctl+0x10/0x10
[  594.426954][ T7820]  ? __fget_files+0x3a0/0x420
[  594.426968][ T7820]  ? __fget_files+0x2a/0x420
[  594.426983][ T7820]  ? bpf_lsm_file_ioctl+0x9/0x20
[  594.426996][ T7820]  ? __pfx_blkdev_ioctl+0x10/0x10
[  594.427008][ T7820]  __se_sys_ioctl+0xfc/0x170
[  594.427021][ T7820]  do_syscall_64+0xfa/0xfa0
[  594.427032][ T7820]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.427042][ T7820]  ? clear_bhb_loop+0x60/0xb0
[  594.427054][ T7820]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  594.427065][ T7820] RIP: 0033:0x7f8526259569
[  594.427075][ T7820] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  594.427084][ T7820] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  594.427101][ T7820] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  594.427108][ T7820] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  594.427114][ T7820] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  594.427121][ T7820] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  594.427131][ T7820] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  594.427148][ T7820]  </TASK>
[  594.732479][ T7820] block nbd0: shutting down sockets
[  594.852174][ T7824] block nbd0: Device being setup by another task
[  595.022590][ T7823] block nbd0: shutting down sockets
[  595.276640][ T7826] block nbd0: shutting down sockets
[  595.393121][ T7828] FAULT_INJECTION: forcing a failure.
[  595.393121][ T7828] name failslab, interval 1, probability 0, space 0, times 0
[  595.406793][ T7828] CPU: 1 UID: 0 PID: 7828 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  595.406810][ T7828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  595.406817][ T7828] Call Trace:
[  595.406825][ T7828]  <TASK>
[  595.406833][ T7828]  dump_stack_lvl+0x189/0x250
[  595.406852][ T7828]  ? __pfx____ratelimit+0x10/0x10
[  595.406868][ T7828]  ? __pfx_dump_stack_lvl+0x10/0x10
[  595.406883][ T7828]  ? __pfx__printk+0x10/0x10
[  595.406898][ T7828]  ? __pfx___might_resched+0x10/0x10
[  595.406915][ T7828]  should_fail_ex+0x414/0x560
[  595.406931][ T7828]  should_failslab+0xa8/0x100
[  595.406946][ T7828]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  595.406960][ T7828]  ? __d_alloc+0x37/0x6f0
[  595.406972][ T7828]  __d_alloc+0x37/0x6f0
[  595.406985][ T7828]  d_alloc+0x4b/0x190
[  595.406993][ T7828]  ? lookup_one_qstr_excl+0xc8/0x360
[  595.407009][ T7828]  lookup_one_qstr_excl+0xdc/0x360
[  595.407023][ T7828]  ? lookup_noperm_common+0x245/0x430
[  595.407039][ T7828]  start_dirop+0x5c/0x90
[  595.407054][ T7828]  simple_start_creating+0xc4/0x100
[  595.407070][ T7828]  ? __pfx_simple_start_creating+0x10/0x10
[  595.407090][ T7828]  debugfs_start_creating+0xea/0x1b0
[  595.407102][ T7828]  __debugfs_create_file+0x6f/0x400
[  595.407114][ T7828]  debugfs_create_file_unsafe+0x3a/0x50
[  595.407126][ T7828]  nbd_start_device+0x3b6/0xb10
[  595.407147][ T7828]  nbd_ioctl+0x56e/0xe10
[  595.407170][ T7828]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.407204][ T7828]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.407227][ T7828]  blkdev_ioctl+0x60e/0x710
[  595.407249][ T7828]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.407267][ T7828]  ? __fget_files+0x3a0/0x420
[  595.407290][ T7828]  ? __fget_files+0x2a/0x420
[  595.407310][ T7828]  ? bpf_lsm_file_ioctl+0x9/0x20
[  595.407323][ T7828]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.407335][ T7828]  __se_sys_ioctl+0xfc/0x170
[  595.407348][ T7828]  do_syscall_64+0xfa/0xfa0
[  595.407360][ T7828]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.407370][ T7828]  ? clear_bhb_loop+0x60/0xb0
[  595.407382][ T7828]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.407392][ T7828] RIP: 0033:0x7f8526259569
[  595.407403][ T7828] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  595.407411][ T7828] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  595.407423][ T7828] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  595.407431][ T7828] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  595.407438][ T7828] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  595.407445][ T7828] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  595.407460][ T7828] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  595.407478][ T7828]  </TASK>
[  595.722458][ T7828] block nbd0: shutting down sockets
[  595.823340][ T7831] FAULT_INJECTION: forcing a failure.
[  595.823340][ T7831] name failslab, interval 1, probability 0, space 0, times 0
[  595.836135][ T7831] CPU: 0 UID: 0 PID: 7831 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  595.836157][ T7831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  595.836164][ T7831] Call Trace:
[  595.836170][ T7831]  <TASK>
[  595.836175][ T7831]  dump_stack_lvl+0x189/0x250
[  595.836194][ T7831]  ? __pfx____ratelimit+0x10/0x10
[  595.836210][ T7831]  ? __pfx_dump_stack_lvl+0x10/0x10
[  595.836224][ T7831]  ? __pfx__printk+0x10/0x10
[  595.836239][ T7831]  ? __pfx___might_resched+0x10/0x10
[  595.836256][ T7831]  should_fail_ex+0x414/0x560
[  595.836272][ T7831]  should_failslab+0xa8/0x100
[  595.836288][ T7831]  kmem_cache_alloc_noprof+0x88/0x700
[  595.836300][ T7831]  ? security_inode_alloc+0x39/0x330
[  595.836313][ T7831]  security_inode_alloc+0x39/0x330
[  595.836325][ T7831]  inode_init_always_gfp+0x9ed/0xdc0
[  595.836343][ T7831]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  595.836353][ T7831]  alloc_inode+0x82/0x1b0
[  595.836367][ T7831]  new_inode+0x22/0x170
[  595.836383][ T7831]  __debugfs_create_file+0xb8/0x400
[  595.836395][ T7831]  debugfs_create_file_unsafe+0x3a/0x50
[  595.836418][ T7831]  nbd_start_device+0x39e/0xb10
[  595.836445][ T7831]  nbd_ioctl+0x56e/0xe10
[  595.836463][ T7831]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.836483][ T7831]  ? __pfx_nbd_ioctl+0x10/0x10
[  595.836497][ T7831]  blkdev_ioctl+0x60e/0x710
[  595.836511][ T7831]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.836521][ T7831]  ? __fget_files+0x3a0/0x420
[  595.836534][ T7831]  ? __fget_files+0x2a/0x420
[  595.836549][ T7831]  ? bpf_lsm_file_ioctl+0x9/0x20
[  595.836563][ T7831]  ? __pfx_blkdev_ioctl+0x10/0x10
[  595.836574][ T7831]  __se_sys_ioctl+0xfc/0x170
[  595.836587][ T7831]  do_syscall_64+0xfa/0xfa0
[  595.836598][ T7831]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.836608][ T7831]  ? clear_bhb_loop+0x60/0xb0
[  595.836620][ T7831]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  595.836630][ T7831] RIP: 0033:0x7f8526259569
[  595.836640][ T7831] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  595.836649][ T7831] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  595.836660][ T7831] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  595.836668][ T7831] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  595.836674][ T7831] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  595.836681][ T7831] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  595.836690][ T7831] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  595.836708][ T7831]  </TASK>
[  595.836749][ T7831] debugfs: out of free dentries, can not create file 'size_bytes'
[  596.143208][ T7831] block nbd0: shutting down sockets
[  596.272946][ T7833] FAULT_INJECTION: forcing a failure.
[  596.272946][ T7833] name failslab, interval 1, probability 0, space 0, times 0
[  596.285867][ T7833] CPU: 0 UID: 0 PID: 7833 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  596.285883][ T7833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  596.285890][ T7833] Call Trace:
[  596.285898][ T7833]  <TASK>
[  596.285905][ T7833]  dump_stack_lvl+0x189/0x250
[  596.285924][ T7833]  ? __pfx____ratelimit+0x10/0x10
[  596.285940][ T7833]  ? __pfx_dump_stack_lvl+0x10/0x10
[  596.285954][ T7833]  ? __pfx__printk+0x10/0x10
[  596.285969][ T7833]  ? __pfx___might_resched+0x10/0x10
[  596.285996][ T7833]  should_fail_ex+0x414/0x560
[  596.286024][ T7833]  should_failslab+0xa8/0x100
[  596.286049][ T7833]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  596.286066][ T7833]  ? __d_alloc+0x37/0x6f0
[  596.286079][ T7833]  __d_alloc+0x37/0x6f0
[  596.286092][ T7833]  d_alloc+0x4b/0x190
[  596.286100][ T7833]  ? lookup_one_qstr_excl+0xc8/0x360
[  596.286116][ T7833]  lookup_one_qstr_excl+0xdc/0x360
[  596.286130][ T7833]  ? lookup_noperm_common+0x245/0x430
[  596.286146][ T7833]  start_dirop+0x5c/0x90
[  596.286160][ T7833]  simple_start_creating+0xc4/0x100
[  596.286176][ T7833]  ? __pfx_simple_start_creating+0x10/0x10
[  596.286196][ T7833]  debugfs_start_creating+0xea/0x1b0
[  596.286208][ T7833]  __debugfs_create_file+0x6f/0x400
[  596.286220][ T7833]  debugfs_create_file_unsafe+0x3a/0x50
[  596.286232][ T7833]  nbd_start_device+0x3b6/0xb10
[  596.286253][ T7833]  nbd_ioctl+0x56e/0xe10
[  596.286270][ T7833]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.286290][ T7833]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.286304][ T7833]  blkdev_ioctl+0x60e/0x710
[  596.286319][ T7833]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.286329][ T7833]  ? __fget_files+0x3a0/0x420
[  596.286343][ T7833]  ? __fget_files+0x2a/0x420
[  596.286357][ T7833]  ? bpf_lsm_file_ioctl+0x9/0x20
[  596.286371][ T7833]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.286382][ T7833]  __se_sys_ioctl+0xfc/0x170
[  596.286395][ T7833]  do_syscall_64+0xfa/0xfa0
[  596.286406][ T7833]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.286416][ T7833]  ? clear_bhb_loop+0x60/0xb0
[  596.286428][ T7833]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.286439][ T7833] RIP: 0033:0x7f8526259569
[  596.286449][ T7833] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  596.286458][ T7833] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  596.286470][ T7833] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  596.286532][ T7833] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  596.286538][ T7833] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  596.286544][ T7833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  596.286551][ T7833] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  596.286568][ T7833]  </TASK>
[  596.633614][ T7833] block nbd0: shutting down sockets
[  596.733336][ T7836] FAULT_INJECTION: forcing a failure.
[  596.733336][ T7836] name failslab, interval 1, probability 0, space 0, times 0
[  596.746073][ T7836] CPU: 1 UID: 0 PID: 7836 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  596.746088][ T7836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  596.746095][ T7836] Call Trace:
[  596.746102][ T7836]  <TASK>
[  596.746108][ T7836]  dump_stack_lvl+0x189/0x250
[  596.746127][ T7836]  ? __pfx____ratelimit+0x10/0x10
[  596.746143][ T7836]  ? __pfx_dump_stack_lvl+0x10/0x10
[  596.746158][ T7836]  ? __pfx__printk+0x10/0x10
[  596.746172][ T7836]  ? __pfx___might_resched+0x10/0x10
[  596.746187][ T7836]  ? fs_reclaim_acquire+0x7d/0x100
[  596.746203][ T7836]  should_fail_ex+0x414/0x560
[  596.746220][ T7836]  should_failslab+0xa8/0x100
[  596.746235][ T7836]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  596.746247][ T7836]  ? alloc_inode+0x6a/0x1b0
[  596.746260][ T7836]  ? __pfx_simple_start_creating+0x10/0x10
[  596.746277][ T7836]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  596.746287][ T7836]  alloc_inode+0x6a/0x1b0
[  596.746301][ T7836]  new_inode+0x22/0x170
[  596.746317][ T7836]  __debugfs_create_file+0xb8/0x400
[  596.746329][ T7836]  debugfs_create_file_unsafe+0x3a/0x50
[  596.746341][ T7836]  nbd_start_device+0x39e/0xb10
[  596.746368][ T7836]  nbd_ioctl+0x56e/0xe10
[  596.746385][ T7836]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.746405][ T7836]  ? __pfx_nbd_ioctl+0x10/0x10
[  596.746419][ T7836]  blkdev_ioctl+0x60e/0x710
[  596.746434][ T7836]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.746444][ T7836]  ? __fget_files+0x3a0/0x420
[  596.746458][ T7836]  ? __fget_files+0x2a/0x420
[  596.746473][ T7836]  ? bpf_lsm_file_ioctl+0x9/0x20
[  596.746486][ T7836]  ? __pfx_blkdev_ioctl+0x10/0x10
[  596.746498][ T7836]  __se_sys_ioctl+0xfc/0x170
[  596.746510][ T7836]  do_syscall_64+0xfa/0xfa0
[  596.746522][ T7836]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.746531][ T7836]  ? clear_bhb_loop+0x60/0xb0
[  596.746544][ T7836]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  596.746553][ T7836] RIP: 0033:0x7f8526259569
[  596.746565][ T7836] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  596.746574][ T7836] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  596.746585][ T7836] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  596.746593][ T7836] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  596.746602][ T7836] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  596.746609][ T7836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  596.746615][ T7836] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  596.746632][ T7836]  </TASK>
[  596.746638][ T7836] debugfs: out of free dentries, can not create file 'size_bytes'
[  597.052315][ T7836] block nbd0: shutting down sockets
[  597.153315][ T7838] FAULT_INJECTION: forcing a failure.
[  597.153315][ T7838] name failslab, interval 1, probability 0, space 0, times 0
[  597.166262][ T7838] CPU: 1 UID: 0 PID: 7838 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  597.166278][ T7838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  597.166285][ T7838] Call Trace:
[  597.166293][ T7838]  <TASK>
[  597.166299][ T7838]  dump_stack_lvl+0x189/0x250
[  597.166324][ T7838]  ? __pfx____ratelimit+0x10/0x10
[  597.166340][ T7838]  ? __pfx_dump_stack_lvl+0x10/0x10
[  597.166354][ T7838]  ? __pfx__printk+0x10/0x10
[  597.166369][ T7838]  ? __pfx___might_resched+0x10/0x10
[  597.166385][ T7838]  should_fail_ex+0x414/0x560
[  597.166403][ T7838]  should_failslab+0xa8/0x100
[  597.166418][ T7838]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  597.166431][ T7838]  ? __d_alloc+0x37/0x6f0
[  597.166444][ T7838]  __d_alloc+0x37/0x6f0
[  597.166457][ T7838]  d_alloc+0x4b/0x190
[  597.166464][ T7838]  ? lookup_one_qstr_excl+0xc8/0x360
[  597.166480][ T7838]  lookup_one_qstr_excl+0xdc/0x360
[  597.166495][ T7838]  ? lookup_noperm_common+0x245/0x430
[  597.166511][ T7838]  start_dirop+0x5c/0x90
[  597.166525][ T7838]  simple_start_creating+0xc4/0x100
[  597.166541][ T7838]  ? __pfx_simple_start_creating+0x10/0x10
[  597.166564][ T7838]  debugfs_start_creating+0xea/0x1b0
[  597.166577][ T7838]  __debugfs_create_file+0x6f/0x400
[  597.166589][ T7838]  debugfs_create_file_unsafe+0x3a/0x50
[  597.166601][ T7838]  nbd_start_device+0x3b6/0xb10
[  597.166622][ T7838]  nbd_ioctl+0x56e/0xe10
[  597.166639][ T7838]  ? __pfx_nbd_ioctl+0x10/0x10
[  597.166659][ T7838]  ? __pfx_nbd_ioctl+0x10/0x10
[  597.166673][ T7838]  blkdev_ioctl+0x60e/0x710
[  597.166688][ T7838]  ? __pfx_blkdev_ioctl+0x10/0x10
[  597.166699][ T7838]  ? __fget_files+0x3a0/0x420
[  597.166712][ T7838]  ? __fget_files+0x2a/0x420
[  597.166727][ T7838]  ? bpf_lsm_file_ioctl+0x9/0x20
[  597.166741][ T7838]  ? __pfx_blkdev_ioctl+0x10/0x10
[  597.166752][ T7838]  __se_sys_ioctl+0xfc/0x170
[  597.166765][ T7838]  do_syscall_64+0xfa/0xfa0
[  597.166776][ T7838]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.166786][ T7838]  ? clear_bhb_loop+0x60/0xb0
[  597.166798][ T7838]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  597.166808][ T7838] RIP: 0033:0x7f8526259569
[  597.166819][ T7838] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  597.166827][ T7838] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  597.166839][ T7838] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  597.166847][ T7838] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  597.166853][ T7838] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  597.166860][ T7838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  597.166866][ T7838] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  597.166892][ T7838]  </TASK>
[  597.482463][ T7838] block nbd0: shutting down sockets
[  597.612211][ T7841] block nbd0: Device being setup by another task
[  597.783814][ T7840] block nbd0: shutting down sockets
[  598.045397][ T7843] block nbd0: shutting down sockets
[  598.153090][ T7845] FAULT_INJECTION: forcing a failure.
[  598.153090][ T7845] name failslab, interval 1, probability 0, space 0, times 0
[  598.165851][ T7845] CPU: 0 UID: 0 PID: 7845 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  598.165868][ T7845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  598.165875][ T7845] Call Trace:
[  598.165883][ T7845]  <TASK>
[  598.165888][ T7845]  dump_stack_lvl+0x189/0x250
[  598.165908][ T7845]  ? __pfx____ratelimit+0x10/0x10
[  598.165924][ T7845]  ? __pfx_dump_stack_lvl+0x10/0x10
[  598.165938][ T7845]  ? __pfx__printk+0x10/0x10
[  598.165953][ T7845]  ? __pfx___might_resched+0x10/0x10
[  598.165969][ T7845]  should_fail_ex+0x414/0x560
[  598.165987][ T7845]  should_failslab+0xa8/0x100
[  598.166002][ T7845]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  598.166015][ T7845]  ? __d_alloc+0x37/0x6f0
[  598.166027][ T7845]  __d_alloc+0x37/0x6f0
[  598.166040][ T7845]  d_alloc+0x4b/0x190
[  598.166048][ T7845]  ? lookup_one_qstr_excl+0xc8/0x360
[  598.166065][ T7845]  lookup_one_qstr_excl+0xdc/0x360
[  598.166079][ T7845]  ? lookup_noperm_common+0x245/0x430
[  598.166095][ T7845]  start_dirop+0x5c/0x90
[  598.166109][ T7845]  simple_start_creating+0xc4/0x100
[  598.166126][ T7845]  ? __pfx_simple_start_creating+0x10/0x10
[  598.166146][ T7845]  debugfs_start_creating+0xea/0x1b0
[  598.166158][ T7845]  __debugfs_create_file+0x6f/0x400
[  598.166171][ T7845]  debugfs_create_file_unsafe+0x3a/0x50
[  598.166182][ T7845]  nbd_start_device+0x3b6/0xb10
[  598.166206][ T7845]  nbd_ioctl+0x56e/0xe10
[  598.166223][ T7845]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.166243][ T7845]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.166257][ T7845]  blkdev_ioctl+0x60e/0x710
[  598.166272][ T7845]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.166284][ T7845]  ? __fget_files+0x3a0/0x420
[  598.166305][ T7845]  ? __fget_files+0x2a/0x420
[  598.166329][ T7845]  ? bpf_lsm_file_ioctl+0x9/0x20
[  598.166351][ T7845]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.166371][ T7845]  __se_sys_ioctl+0xfc/0x170
[  598.166391][ T7845]  do_syscall_64+0xfa/0xfa0
[  598.166403][ T7845]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.166413][ T7845]  ? clear_bhb_loop+0x60/0xb0
[  598.166425][ T7845]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.166435][ T7845] RIP: 0033:0x7f8526259569
[  598.166446][ T7845] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  598.166462][ T7845] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  598.166474][ T7845] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  598.166481][ T7845] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  598.166487][ T7845] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  598.166494][ T7845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  598.166500][ T7845] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  598.166522][ T7845]  </TASK>
[  598.472559][ T7845] block nbd0: shutting down sockets
[  598.513186][ T7848] block nbd0: Device being setup by another task
[  598.572188][ T7848] block nbd0: Device being setup by another task
[  598.673924][ T7851] FAULT_INJECTION: forcing a failure.
[  598.673924][ T7851] name failslab, interval 1, probability 0, space 0, times 0
[  598.686747][ T7851] CPU: 1 UID: 0 PID: 7851 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  598.686763][ T7851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  598.686770][ T7851] Call Trace:
[  598.686777][ T7851]  <TASK>
[  598.686783][ T7851]  dump_stack_lvl+0x189/0x250
[  598.686802][ T7851]  ? __pfx____ratelimit+0x10/0x10
[  598.686818][ T7851]  ? __pfx_dump_stack_lvl+0x10/0x10
[  598.686833][ T7851]  ? __pfx__printk+0x10/0x10
[  598.686848][ T7851]  ? __pfx___might_resched+0x10/0x10
[  598.686865][ T7851]  should_fail_ex+0x414/0x560
[  598.686882][ T7851]  should_failslab+0xa8/0x100
[  598.686898][ T7851]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  598.686911][ T7851]  ? __d_alloc+0x37/0x6f0
[  598.686923][ T7851]  __d_alloc+0x37/0x6f0
[  598.686936][ T7851]  d_alloc+0x4b/0x190
[  598.686944][ T7851]  ? lookup_one_qstr_excl+0xc8/0x360
[  598.686960][ T7851]  lookup_one_qstr_excl+0xdc/0x360
[  598.686974][ T7851]  ? lookup_noperm_common+0x245/0x430
[  598.686990][ T7851]  start_dirop+0x5c/0x90
[  598.687005][ T7851]  simple_start_creating+0xc4/0x100
[  598.687020][ T7851]  ? __pfx_simple_start_creating+0x10/0x10
[  598.687041][ T7851]  debugfs_start_creating+0xea/0x1b0
[  598.687053][ T7851]  __debugfs_create_file+0x6f/0x400
[  598.687065][ T7851]  debugfs_create_file_unsafe+0x3a/0x50
[  598.687077][ T7851]  nbd_start_device+0x3b6/0xb10
[  598.687097][ T7851]  nbd_ioctl+0x56e/0xe10
[  598.687120][ T7851]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.687160][ T7851]  ? __pfx_nbd_ioctl+0x10/0x10
[  598.687185][ T7851]  blkdev_ioctl+0x60e/0x710
[  598.687208][ T7851]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.687218][ T7851]  ? __fget_files+0x3a0/0x420
[  598.687232][ T7851]  ? __fget_files+0x2a/0x420
[  598.687247][ T7851]  ? bpf_lsm_file_ioctl+0x9/0x20
[  598.687260][ T7851]  ? __pfx_blkdev_ioctl+0x10/0x10
[  598.687272][ T7851]  __se_sys_ioctl+0xfc/0x170
[  598.687285][ T7851]  do_syscall_64+0xfa/0xfa0
[  598.687296][ T7851]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.687306][ T7851]  ? clear_bhb_loop+0x60/0xb0
[  598.687318][ T7851]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  598.687328][ T7851] RIP: 0033:0x7f8526259569
[  598.687339][ T7851] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  598.687348][ T7851] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  598.687359][ T7851] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  598.687366][ T7851] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  598.687373][ T7851] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  598.687380][ T7851] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  598.687386][ T7851] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  598.687403][ T7851]  </TASK>
[  599.002669][ T7851] block nbd0: shutting down sockets
[  599.123315][ T7853] FAULT_INJECTION: forcing a failure.
[  599.123315][ T7853] name failslab, interval 1, probability 0, space 0, times 0
[  599.136362][ T7853] CPU: 0 UID: 0 PID: 7853 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  599.136387][ T7853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  599.136394][ T7853] Call Trace:
[  599.136401][ T7853]  <TASK>
[  599.136407][ T7853]  dump_stack_lvl+0x189/0x250
[  599.136434][ T7853]  ? __pfx____ratelimit+0x10/0x10
[  599.136450][ T7853]  ? __pfx_dump_stack_lvl+0x10/0x10
[  599.136465][ T7853]  ? __pfx__printk+0x10/0x10
[  599.136479][ T7853]  ? __pfx___might_resched+0x10/0x10
[  599.136496][ T7853]  should_fail_ex+0x414/0x560
[  599.136513][ T7853]  should_failslab+0xa8/0x100
[  599.136528][ T7853]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  599.136547][ T7853]  ? __d_alloc+0x37/0x6f0
[  599.136559][ T7853]  __d_alloc+0x37/0x6f0
[  599.136579][ T7853]  d_alloc+0x4b/0x190
[  599.136587][ T7853]  ? lookup_one_qstr_excl+0xc8/0x360
[  599.136603][ T7853]  lookup_one_qstr_excl+0xdc/0x360
[  599.136617][ T7853]  ? lookup_noperm_common+0x245/0x430
[  599.136633][ T7853]  start_dirop+0x5c/0x90
[  599.136648][ T7853]  simple_start_creating+0xc4/0x100
[  599.136663][ T7853]  ? __pfx_simple_start_creating+0x10/0x10
[  599.136684][ T7853]  debugfs_start_creating+0xea/0x1b0
[  599.136696][ T7853]  __debugfs_create_file+0x6f/0x400
[  599.136708][ T7853]  debugfs_create_file_unsafe+0x3a/0x50
[  599.136719][ T7853]  nbd_start_device+0x3b6/0xb10
[  599.136740][ T7853]  nbd_ioctl+0x56e/0xe10
[  599.136757][ T7853]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.136777][ T7853]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.136791][ T7853]  blkdev_ioctl+0x60e/0x710
[  599.136806][ T7853]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.136816][ T7853]  ? __fget_files+0x3a0/0x420
[  599.136830][ T7853]  ? __fget_files+0x2a/0x420
[  599.136844][ T7853]  ? bpf_lsm_file_ioctl+0x9/0x20
[  599.136858][ T7853]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.136869][ T7853]  __se_sys_ioctl+0xfc/0x170
[  599.136882][ T7853]  do_syscall_64+0xfa/0xfa0
[  599.136893][ T7853]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.136904][ T7853]  ? clear_bhb_loop+0x60/0xb0
[  599.136916][ T7853]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.136926][ T7853] RIP: 0033:0x7f8526259569
[  599.136936][ T7853] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  599.136945][ T7853] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  599.136957][ T7853] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  599.136964][ T7853] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  599.136970][ T7853] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  599.136977][ T7853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  599.136984][ T7853] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  599.137001][ T7853]  </TASK>
[  599.533200][ T7853] block nbd0: shutting down sockets
[  599.633204][ T7855] FAULT_INJECTION: forcing a failure.
[  599.633204][ T7855] name failslab, interval 1, probability 0, space 0, times 0
[  599.646323][ T7855] CPU: 1 UID: 0 PID: 7855 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  599.646347][ T7855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  599.646358][ T7855] Call Trace:
[  599.646366][ T7855]  <TASK>
[  599.646375][ T7855]  dump_stack_lvl+0x189/0x250
[  599.646413][ T7855]  ? __pfx____ratelimit+0x10/0x10
[  599.646431][ T7855]  ? __pfx_dump_stack_lvl+0x10/0x10
[  599.646446][ T7855]  ? __pfx__printk+0x10/0x10
[  599.646460][ T7855]  ? __pfx___might_resched+0x10/0x10
[  599.646477][ T7855]  should_fail_ex+0x414/0x560
[  599.646498][ T7855]  should_failslab+0xa8/0x100
[  599.646512][ T7855]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  599.646525][ T7855]  ? __d_alloc+0x37/0x6f0
[  599.646538][ T7855]  __d_alloc+0x37/0x6f0
[  599.646551][ T7855]  d_alloc+0x4b/0x190
[  599.646558][ T7855]  ? lookup_one_qstr_excl+0xc8/0x360
[  599.646575][ T7855]  lookup_one_qstr_excl+0xdc/0x360
[  599.646589][ T7855]  ? lookup_noperm_common+0x245/0x430
[  599.646605][ T7855]  start_dirop+0x5c/0x90
[  599.646619][ T7855]  simple_start_creating+0xc4/0x100
[  599.646634][ T7855]  ? __pfx_simple_start_creating+0x10/0x10
[  599.646655][ T7855]  debugfs_start_creating+0xea/0x1b0
[  599.646666][ T7855]  __debugfs_create_file+0x6f/0x400
[  599.646678][ T7855]  debugfs_create_file_unsafe+0x3a/0x50
[  599.646690][ T7855]  nbd_start_device+0x3b6/0xb10
[  599.646711][ T7855]  nbd_ioctl+0x56e/0xe10
[  599.646727][ T7855]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.646747][ T7855]  ? __pfx_nbd_ioctl+0x10/0x10
[  599.646761][ T7855]  blkdev_ioctl+0x60e/0x710
[  599.646775][ T7855]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.646786][ T7855]  ? __fget_files+0x3a0/0x420
[  599.646799][ T7855]  ? __fget_files+0x2a/0x420
[  599.646814][ T7855]  ? bpf_lsm_file_ioctl+0x9/0x20
[  599.646827][ T7855]  ? __pfx_blkdev_ioctl+0x10/0x10
[  599.646839][ T7855]  __se_sys_ioctl+0xfc/0x170
[  599.646852][ T7855]  do_syscall_64+0xfa/0xfa0
[  599.646863][ T7855]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.646872][ T7855]  ? clear_bhb_loop+0x60/0xb0
[  599.646885][ T7855]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  599.646894][ T7855] RIP: 0033:0x7f8526259569
[  599.646904][ T7855] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  599.646913][ T7855] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  599.646925][ T7855] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  599.646932][ T7855] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  599.646939][ T7855] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  599.646945][ T7855] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  599.646952][ T7855] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  599.646969][ T7855]  </TASK>
[  600.047320][ T7855] block nbd0: shutting down sockets
[  600.153959][ T7857] FAULT_INJECTION: forcing a failure.
[  600.153959][ T7857] name failslab, interval 1, probability 0, space 0, times 0
[  600.166800][ T7857] CPU: 0 UID: 0 PID: 7857 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  600.166817][ T7857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  600.166824][ T7857] Call Trace:
[  600.166830][ T7857]  <TASK>
[  600.166837][ T7857]  dump_stack_lvl+0x189/0x250
[  600.166857][ T7857]  ? __pfx____ratelimit+0x10/0x10
[  600.166873][ T7857]  ? __pfx_dump_stack_lvl+0x10/0x10
[  600.166887][ T7857]  ? __pfx__printk+0x10/0x10
[  600.166902][ T7857]  ? __pfx___might_resched+0x10/0x10
[  600.166919][ T7857]  should_fail_ex+0x414/0x560
[  600.166936][ T7857]  should_failslab+0xa8/0x100
[  600.166951][ T7857]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  600.166964][ T7857]  ? __d_alloc+0x37/0x6f0
[  600.166976][ T7857]  __d_alloc+0x37/0x6f0
[  600.166989][ T7857]  d_alloc+0x4b/0x190
[  600.166997][ T7857]  ? lookup_one_qstr_excl+0xc8/0x360
[  600.167020][ T7857]  lookup_one_qstr_excl+0xdc/0x360
[  600.167044][ T7857]  ? lookup_noperm_common+0x245/0x430
[  600.167071][ T7857]  start_dirop+0x5c/0x90
[  600.167096][ T7857]  simple_start_creating+0xc4/0x100
[  600.167113][ T7857]  ? __pfx_simple_start_creating+0x10/0x10
[  600.167136][ T7857]  debugfs_start_creating+0xea/0x1b0
[  600.167148][ T7857]  __debugfs_create_file+0x6f/0x400
[  600.167160][ T7857]  debugfs_create_file_unsafe+0x3a/0x50
[  600.167172][ T7857]  nbd_start_device+0x3b6/0xb10
[  600.167193][ T7857]  nbd_ioctl+0x56e/0xe10
[  600.167210][ T7857]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.167230][ T7857]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.167244][ T7857]  blkdev_ioctl+0x60e/0x710
[  600.167258][ T7857]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.167268][ T7857]  ? __fget_files+0x3a0/0x420
[  600.167288][ T7857]  ? __fget_files+0x2a/0x420
[  600.167303][ T7857]  ? bpf_lsm_file_ioctl+0x9/0x20
[  600.167316][ T7857]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.167328][ T7857]  __se_sys_ioctl+0xfc/0x170
[  600.167341][ T7857]  do_syscall_64+0xfa/0xfa0
[  600.167353][ T7857]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.167363][ T7857]  ? clear_bhb_loop+0x60/0xb0
[  600.167375][ T7857]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.167385][ T7857] RIP: 0033:0x7f8526259569
[  600.167396][ T7857] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  600.167405][ T7857] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.167417][ T7857] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  600.167425][ T7857] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  600.167431][ T7857] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  600.167438][ T7857] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  600.167445][ T7857] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  600.167461][ T7857]  </TASK>
[  600.504528][ T7857] block nbd0: shutting down sockets
[  600.622958][ T7859] FAULT_INJECTION: forcing a failure.
[  600.622958][ T7859] name failslab, interval 1, probability 0, space 0, times 0
[  600.636137][ T7859] CPU: 1 UID: 0 PID: 7859 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  600.636154][ T7859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  600.636161][ T7859] Call Trace:
[  600.636168][ T7859]  <TASK>
[  600.636175][ T7859]  dump_stack_lvl+0x189/0x250
[  600.636221][ T7859]  ? __pfx____ratelimit+0x10/0x10
[  600.636237][ T7859]  ? __pfx_dump_stack_lvl+0x10/0x10
[  600.636251][ T7859]  ? __pfx__printk+0x10/0x10
[  600.636266][ T7859]  ? __pfx___might_resched+0x10/0x10
[  600.636283][ T7859]  should_fail_ex+0x414/0x560
[  600.636300][ T7859]  should_failslab+0xa8/0x100
[  600.636315][ T7859]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  600.636329][ T7859]  ? __d_alloc+0x37/0x6f0
[  600.636341][ T7859]  __d_alloc+0x37/0x6f0
[  600.636354][ T7859]  d_alloc+0x4b/0x190
[  600.636361][ T7859]  ? lookup_one_qstr_excl+0xc8/0x360
[  600.636378][ T7859]  lookup_one_qstr_excl+0xdc/0x360
[  600.636392][ T7859]  ? lookup_noperm_common+0x245/0x430
[  600.636408][ T7859]  start_dirop+0x5c/0x90
[  600.636423][ T7859]  simple_start_creating+0xc4/0x100
[  600.636439][ T7859]  ? __pfx_simple_start_creating+0x10/0x10
[  600.636473][ T7859]  debugfs_start_creating+0xea/0x1b0
[  600.636485][ T7859]  __debugfs_create_file+0x6f/0x400
[  600.636506][ T7859]  debugfs_create_file_unsafe+0x3a/0x50
[  600.636519][ T7859]  nbd_start_device+0x3b6/0xb10
[  600.636539][ T7859]  nbd_ioctl+0x56e/0xe10
[  600.636557][ T7859]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.636577][ T7859]  ? __pfx_nbd_ioctl+0x10/0x10
[  600.636591][ T7859]  blkdev_ioctl+0x60e/0x710
[  600.636606][ T7859]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.636616][ T7859]  ? __fget_files+0x3a0/0x420
[  600.636630][ T7859]  ? __fget_files+0x2a/0x420
[  600.636645][ T7859]  ? bpf_lsm_file_ioctl+0x9/0x20
[  600.636659][ T7859]  ? __pfx_blkdev_ioctl+0x10/0x10
[  600.636670][ T7859]  __se_sys_ioctl+0xfc/0x170
[  600.636683][ T7859]  do_syscall_64+0xfa/0xfa0
[  600.636695][ T7859]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.636705][ T7859]  ? clear_bhb_loop+0x60/0xb0
[  600.636717][ T7859]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  600.636727][ T7859] RIP: 0033:0x7f8526259569
[  600.636738][ T7859] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  600.636747][ T7859] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  600.636759][ T7859] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  600.636767][ T7859] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  600.636773][ T7859] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  600.636780][ T7859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  600.636786][ T7859] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  600.636803][ T7859]  </TASK>
[  600.952609][ T7859] block nbd0: shutting down sockets
[  601.063571][ T7862] FAULT_INJECTION: forcing a failure.
[  601.063571][ T7862] name failslab, interval 1, probability 0, space 0, times 0
[  601.076693][ T7862] CPU: 0 UID: 0 PID: 7862 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  601.076718][ T7862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  601.076730][ T7862] Call Trace:
[  601.076741][ T7862]  <TASK>
[  601.076751][ T7862]  dump_stack_lvl+0x189/0x250
[  601.076773][ T7862]  ? __pfx____ratelimit+0x10/0x10
[  601.076791][ T7862]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.076805][ T7862]  ? __pfx__printk+0x10/0x10
[  601.076819][ T7862]  ? __pfx___might_resched+0x10/0x10
[  601.076838][ T7862]  should_fail_ex+0x414/0x560
[  601.076856][ T7862]  should_failslab+0xa8/0x100
[  601.076870][ T7862]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  601.076883][ T7862]  ? __d_alloc+0x37/0x6f0
[  601.076896][ T7862]  __d_alloc+0x37/0x6f0
[  601.076911][ T7862]  d_alloc+0x4b/0x190
[  601.076919][ T7862]  ? lookup_one_qstr_excl+0xc8/0x360
[  601.076935][ T7862]  lookup_one_qstr_excl+0xdc/0x360
[  601.076949][ T7862]  ? lookup_noperm_common+0x245/0x430
[  601.076965][ T7862]  start_dirop+0x5c/0x90
[  601.076987][ T7862]  simple_start_creating+0xc4/0x100
[  601.077002][ T7862]  ? __pfx_simple_start_creating+0x10/0x10
[  601.077023][ T7862]  debugfs_start_creating+0xea/0x1b0
[  601.077034][ T7862]  __debugfs_create_file+0x6f/0x400
[  601.077047][ T7862]  debugfs_create_file_unsafe+0x3a/0x50
[  601.077058][ T7862]  nbd_start_device+0x3b6/0xb10
[  601.077079][ T7862]  nbd_ioctl+0x56e/0xe10
[  601.077097][ T7862]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.077116][ T7862]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.077134][ T7862]  blkdev_ioctl+0x60e/0x710
[  601.077149][ T7862]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.077159][ T7862]  ? __fget_files+0x3a0/0x420
[  601.077172][ T7862]  ? __fget_files+0x2a/0x420
[  601.077187][ T7862]  ? bpf_lsm_file_ioctl+0x9/0x20
[  601.077200][ T7862]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.077211][ T7862]  __se_sys_ioctl+0xfc/0x170
[  601.077227][ T7862]  do_syscall_64+0xfa/0xfa0
[  601.077238][ T7862]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.077248][ T7862]  ? clear_bhb_loop+0x60/0xb0
[  601.077260][ T7862]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.077270][ T7862] RIP: 0033:0x7f8526259569
[  601.077281][ T7862] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  601.077290][ T7862] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.077302][ T7862] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  601.077310][ T7862] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.077316][ T7862] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  601.077323][ T7862] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  601.077329][ T7862] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.077345][ T7862]  </TASK>
[  601.392458][ T7862] block nbd0: shutting down sockets
[  601.543340][ T7864] FAULT_INJECTION: forcing a failure.
[  601.543340][ T7864] name failslab, interval 1, probability 0, space 0, times 0
[  601.556256][ T7864] CPU: 1 UID: 0 PID: 7864 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  601.556281][ T7864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  601.556293][ T7864] Call Trace:
[  601.556303][ T7864]  <TASK>
[  601.556313][ T7864]  dump_stack_lvl+0x189/0x250
[  601.556340][ T7864]  ? __pfx____ratelimit+0x10/0x10
[  601.556356][ T7864]  ? __pfx_dump_stack_lvl+0x10/0x10
[  601.556370][ T7864]  ? __pfx__printk+0x10/0x10
[  601.556385][ T7864]  ? __pfx___might_resched+0x10/0x10
[  601.556402][ T7864]  should_fail_ex+0x414/0x560
[  601.556420][ T7864]  should_failslab+0xa8/0x100
[  601.556435][ T7864]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  601.556448][ T7864]  ? __d_alloc+0x37/0x6f0
[  601.556463][ T7864]  __d_alloc+0x37/0x6f0
[  601.556476][ T7864]  d_alloc+0x4b/0x190
[  601.556484][ T7864]  ? lookup_one_qstr_excl+0xc8/0x360
[  601.556500][ T7864]  lookup_one_qstr_excl+0xdc/0x360
[  601.556514][ T7864]  ? lookup_noperm_common+0x245/0x430
[  601.556530][ T7864]  start_dirop+0x5c/0x90
[  601.556545][ T7864]  simple_start_creating+0xc4/0x100
[  601.556560][ T7864]  ? __pfx_simple_start_creating+0x10/0x10
[  601.556581][ T7864]  debugfs_start_creating+0xea/0x1b0
[  601.556593][ T7864]  __debugfs_create_file+0x6f/0x400
[  601.556605][ T7864]  debugfs_create_file_unsafe+0x3a/0x50
[  601.556617][ T7864]  nbd_start_device+0x3b6/0xb10
[  601.556639][ T7864]  nbd_ioctl+0x56e/0xe10
[  601.556655][ T7864]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.556676][ T7864]  ? __pfx_nbd_ioctl+0x10/0x10
[  601.556690][ T7864]  blkdev_ioctl+0x60e/0x710
[  601.556704][ T7864]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.556715][ T7864]  ? __fget_files+0x3a0/0x420
[  601.556728][ T7864]  ? __fget_files+0x2a/0x420
[  601.556743][ T7864]  ? bpf_lsm_file_ioctl+0x9/0x20
[  601.556756][ T7864]  ? __pfx_blkdev_ioctl+0x10/0x10
[  601.556768][ T7864]  __se_sys_ioctl+0xfc/0x170
[  601.556781][ T7864]  do_syscall_64+0xfa/0xfa0
[  601.556792][ T7864]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.556802][ T7864]  ? clear_bhb_loop+0x60/0xb0
[  601.556814][ T7864]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  601.556824][ T7864] RIP: 0033:0x7f8526259569
[  601.556835][ T7864] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  601.556844][ T7864] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  601.556856][ T7864] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  601.556863][ T7864] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  601.556870][ T7864] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  601.556876][ T7864] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  601.556883][ T7864] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  601.556899][ T7864]  </TASK>
[  601.954836][ T7864] block nbd0: shutting down sockets
[  602.063586][ T7866] FAULT_INJECTION: forcing a failure.
[  602.063586][ T7866] name failslab, interval 1, probability 0, space 0, times 0
[  602.076649][ T7866] CPU: 0 UID: 0 PID: 7866 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  602.076675][ T7866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  602.076685][ T7866] Call Trace:
[  602.076691][ T7866]  <TASK>
[  602.076696][ T7866]  dump_stack_lvl+0x189/0x250
[  602.076714][ T7866]  ? __pfx____ratelimit+0x10/0x10
[  602.076730][ T7866]  ? __pfx_dump_stack_lvl+0x10/0x10
[  602.076745][ T7866]  ? __pfx__printk+0x10/0x10
[  602.076760][ T7866]  ? __pfx___might_resched+0x10/0x10
[  602.076776][ T7866]  should_fail_ex+0x414/0x560
[  602.076793][ T7866]  should_failslab+0xa8/0x100
[  602.076807][ T7866]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  602.076820][ T7866]  ? __d_alloc+0x37/0x6f0
[  602.076832][ T7866]  __d_alloc+0x37/0x6f0
[  602.076844][ T7866]  d_alloc+0x4b/0x190
[  602.076852][ T7866]  ? lookup_one_qstr_excl+0xc8/0x360
[  602.076870][ T7866]  lookup_one_qstr_excl+0xdc/0x360
[  602.076884][ T7866]  ? lookup_noperm_common+0x245/0x430
[  602.076900][ T7866]  start_dirop+0x5c/0x90
[  602.076914][ T7866]  simple_start_creating+0xc4/0x100
[  602.076930][ T7866]  ? __pfx_simple_start_creating+0x10/0x10
[  602.076950][ T7866]  debugfs_start_creating+0xea/0x1b0
[  602.076962][ T7866]  __debugfs_create_file+0x6f/0x400
[  602.076974][ T7866]  debugfs_create_file_unsafe+0x3a/0x50
[  602.076985][ T7866]  nbd_start_device+0x3b6/0xb10
[  602.077006][ T7866]  nbd_ioctl+0x56e/0xe10
[  602.077022][ T7866]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.077043][ T7866]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.077057][ T7866]  blkdev_ioctl+0x60e/0x710
[  602.077071][ T7866]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.077082][ T7866]  ? __fget_files+0x3a0/0x420
[  602.077095][ T7866]  ? __fget_files+0x2a/0x420
[  602.077110][ T7866]  ? bpf_lsm_file_ioctl+0x9/0x20
[  602.077133][ T7866]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.077144][ T7866]  __se_sys_ioctl+0xfc/0x170
[  602.077157][ T7866]  do_syscall_64+0xfa/0xfa0
[  602.077167][ T7866]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.077177][ T7866]  ? clear_bhb_loop+0x60/0xb0
[  602.077189][ T7866]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.077199][ T7866] RIP: 0033:0x7f8526259569
[  602.077210][ T7866] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  602.077218][ T7866] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  602.077230][ T7866] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  602.077237][ T7866] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  602.077244][ T7866] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  602.077251][ T7866] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  602.077257][ T7866] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  602.077273][ T7866]  </TASK>
[  602.382547][ T7866] block nbd0: shutting down sockets
[  602.432784][ T7868] block nbd0: Device being setup by another task
[  602.502076][ T7868] block nbd0: Device being setup by another task
[  602.612228][ T7872] block nbd0: Device being setup by another task
[  602.783378][ T7871] block nbd0: shutting down sockets
[  602.922185][ T7875] block nbd0: Device being setup by another task
[  602.929471][ T7874] FAULT_INJECTION: forcing a failure.
[  602.929471][ T7874] name failslab, interval 1, probability 0, space 0, times 0
[  602.942278][ T7874] CPU: 0 UID: 0 PID: 7874 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  602.942293][ T7874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  602.942300][ T7874] Call Trace:
[  602.942305][ T7874]  <TASK>
[  602.942310][ T7874]  dump_stack_lvl+0x189/0x250
[  602.942330][ T7874]  ? __pfx____ratelimit+0x10/0x10
[  602.942346][ T7874]  ? __pfx_dump_stack_lvl+0x10/0x10
[  602.942360][ T7874]  ? __pfx__printk+0x10/0x10
[  602.942375][ T7874]  ? __pfx___might_resched+0x10/0x10
[  602.942392][ T7874]  should_fail_ex+0x414/0x560
[  602.942409][ T7874]  should_failslab+0xa8/0x100
[  602.942424][ T7874]  kmem_cache_alloc_lru_noprof+0x8d/0x6e0
[  602.942437][ T7874]  ? __d_alloc+0x37/0x6f0
[  602.942449][ T7874]  __d_alloc+0x37/0x6f0
[  602.942462][ T7874]  d_alloc+0x4b/0x190
[  602.942470][ T7874]  ? lookup_one_qstr_excl+0xc8/0x360
[  602.942494][ T7874]  lookup_one_qstr_excl+0xdc/0x360
[  602.942518][ T7874]  ? lookup_noperm_common+0x245/0x430
[  602.942546][ T7874]  start_dirop+0x5c/0x90
[  602.942567][ T7874]  simple_start_creating+0xc4/0x100
[  602.942582][ T7874]  ? __pfx_simple_start_creating+0x10/0x10
[  602.942603][ T7874]  debugfs_start_creating+0xea/0x1b0
[  602.942615][ T7874]  __debugfs_create_file+0x6f/0x400
[  602.942627][ T7874]  debugfs_create_file_unsafe+0x3a/0x50
[  602.942639][ T7874]  nbd_start_device+0x3b6/0xb10
[  602.942659][ T7874]  nbd_ioctl+0x56e/0xe10
[  602.942676][ T7874]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.942696][ T7874]  ? __pfx_nbd_ioctl+0x10/0x10
[  602.942710][ T7874]  blkdev_ioctl+0x60e/0x710
[  602.942725][ T7874]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.942743][ T7874]  ? __fget_files+0x3a0/0x420
[  602.942756][ T7874]  ? __fget_files+0x2a/0x420
[  602.942771][ T7874]  ? bpf_lsm_file_ioctl+0x9/0x20
[  602.942785][ T7874]  ? __pfx_blkdev_ioctl+0x10/0x10
[  602.942796][ T7874]  __se_sys_ioctl+0xfc/0x170
[  602.942809][ T7874]  do_syscall_64+0xfa/0xfa0
[  602.942820][ T7874]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.942830][ T7874]  ? clear_bhb_loop+0x60/0xb0
[  602.942842][ T7874]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  602.942854][ T7874] RIP: 0033:0x7f8526259569
[  602.942866][ T7874] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  602.942875][ T7874] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  602.942886][ T7874] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  602.942895][ T7874] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  602.942903][ T7874] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  602.942909][ T7874] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  602.942916][ T7874] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  602.942933][ T7874]  </TASK>
[  603.262309][ T7874] block nbd0: shutting down sockets
[  603.392134][ T7878] block nbd0: Device being setup by another task
[  603.399388][ T7877] FAULT_INJECTION: forcing a failure.
[  603.399388][ T7877] name failslab, interval 1, probability 0, space 0, times 0
[  603.412120][ T7877] CPU: 1 UID: 0 PID: 7877 Comm: syz-executor389 Not tainted syzkaller #0 PREEMPT(full) 
[  603.412148][ T7877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  603.412156][ T7877] Call Trace:
[  603.412163][ T7877]  <TASK>
[  603.412169][ T7877]  dump_stack_lvl+0x189/0x250
[  603.412188][ T7877]  ? __pfx____ratelimit+0x10/0x10
[  603.412203][ T7877]  ? __pfx_dump_stack_lvl+0x10/0x10
[  603.412218][ T7877]  ? __pfx__printk+0x10/0x10
[  603.412232][ T7877]  ? __pfx___might_resched+0x10/0x10
[  603.412249][ T7877]  should_fail_ex+0x414/0x560
[  603.412266][ T7877]  should_failslab+0xa8/0x100
[  603.412281][ T7877]  kmem_cache_alloc_noprof+0x88/0x700
[  603.412293][ T7877]  ? security_inode_alloc+0x39/0x330
[  603.412307][ T7877]  security_inode_alloc+0x39/0x330
[  603.412319][ T7877]  inode_init_always_gfp+0x9ed/0xdc0
[  603.412337][ T7877]  ? __pfx_debugfs_alloc_inode+0x10/0x10
[  603.412347][ T7877]  alloc_inode+0x82/0x1b0
[  603.412361][ T7877]  new_inode+0x22/0x170
[  603.412377][ T7877]  __debugfs_create_file+0xb8/0x400
[  603.412390][ T7877]  debugfs_create_file_unsafe+0x3a/0x50
[  603.412402][ T7877]  nbd_start_device+0x39e/0xb10
[  603.412423][ T7877]  nbd_ioctl+0x56e/0xe10
[  603.412440][ T7877]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.412460][ T7877]  ? __pfx_nbd_ioctl+0x10/0x10
[  603.412474][ T7877]  blkdev_ioctl+0x60e/0x710
[  603.412489][ T7877]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.412499][ T7877]  ? __fget_files+0x3a0/0x420
[  603.412512][ T7877]  ? __fget_files+0x2a/0x420
[  603.412531][ T7877]  ? bpf_lsm_file_ioctl+0x9/0x20
[  603.412544][ T7877]  ? __pfx_blkdev_ioctl+0x10/0x10
[  603.412556][ T7877]  __se_sys_ioctl+0xfc/0x170
[  603.412569][ T7877]  do_syscall_64+0xfa/0xfa0
[  603.412580][ T7877]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.412590][ T7877]  ? clear_bhb_loop+0x60/0xb0
[  603.412602][ T7877]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  603.412612][ T7877] RIP: 0033:0x7f8526259569
[  603.412622][ T7877] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  603.412631][ T7877] RSP: 002b:00007f852620f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  603.412643][ T7877] RAX: ffffffffffffffda RBX: 00007f85262e0408 RCX: 00007f8526259569
[  603.412650][ T7877] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007
[  603.412657][ T7877] RBP: 00007f85262e0400 R08: 00007f852620efa6 R09: 0000000000003331
[  603.412663][ T7877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85262ad194
[  603.412669][ T7877] R13: 00007f852620f210 R14: 0000000000000002 R15: 64626e2f7665642f
[  603.412686][ T7877]  </TASK>
[  603.412734][ T7877] debugfs: out of free dentries, can not create file 'size_bytes'
[  603.762370][ T7877] block nbd0: shutting down sockets
[  604.035151][ T7880] block nbd0: shutting down sockets