_access+0x4d/0x460
[ 601.365195][ T8246] __ext4_journal_get_create_access+0xa9/0x410
[ 601.365237][ T8246] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 601.365276][ T8246] ? ext4_map_blocks+0x559/0x1740
[ 601.365311][ T8246] ext4_getblk+0x496/0x760
[ 601.365345][ T8246] ? __pfx_ext4_getblk+0x10/0x10
[ 601.365375][ T8246] ? __brelse+0x59/0xa0
[ 601.365408][ T8246] ext4_bread+0x2a/0x180
[ 601.365439][ T8246] ext4_append+0x2c6/0x560
[ 601.365471][ T8246] ? __pfx_ext4_append+0x10/0x10
[ 601.365505][ T8246] ? set_nlink+0x5f/0x170
[ 601.365541][ T8246] ext4_init_new_dir+0x11f/0x1c0
[ 601.365572][ T8246] ext4_mkdir+0x48c/0xc50
[ 601.365609][ T8246] ? __pfx_ext4_mkdir+0x10/0x10
[ 601.365642][ T8246] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 601.365670][ T8246] vfs_mkdir+0x306/0x510
[ 601.365707][ T8246] do_mkdirat+0x247/0x590
[ 601.365739][ T8246] ? __pfx_do_mkdirat+0x10/0x10
[ 601.365765][ T8246] ? strncpy_from_user+0x150/0x290
[ 601.365794][ T8246] ? getname_flags+0x1e5/0x540
[ 601.365843][ T8246] __x64_sys_mkdir+0x6c/0x80
[ 601.365878][ T8246] do_syscall_64+0xfa/0x3b0
[ 601.365905][ T8246] ? lockdep_hardirqs_on+0x9c/0x150
[ 601.365930][ T8246] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.365954][ T8246] ? clear_bhb_loop+0x60/0xb0
[ 601.365985][ T8246] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.366008][ T8246] RIP: 0033:0x7f8729e50127
[ 601.366030][ T8246] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 601.366051][ T8246] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 601.366077][ T8246] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 601.366095][ T8246] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 601.366110][ T8246] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 601.366125][ T8246] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 601.366141][ T8246] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 601.366177][ T8246]
[ 601.366191][ T8246] ENOMEM in journal_alloc_journal_head, retrying.
[ 602.045905][ T8248] loop0: detected capacity change from 0 to 32768
[ 602.048823][ T8248] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8248)
[ 602.049296][ T8248] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 602.051424][ T8248] FAULT_INJECTION: forcing a failure.
[ 602.051424][ T8248] name failslab, interval 1, probability 0, space 0, times 0
[ 602.051466][ T8248] CPU: 0 UID: 0 PID: 8248 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 602.051502][ T8248] Tainted: [W]=WARN
[ 602.051511][ T8248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 602.051526][ T8248] Call Trace:
[ 602.051536][ T8248]
[ 602.051547][ T8248] dump_stack_lvl+0x189/0x250
[ 602.051591][ T8248] ? __pfx____ratelimit+0x10/0x10
[ 602.051619][ T8248] ? __pfx_dump_stack_lvl+0x10/0x10
[ 602.051655][ T8248] ? __pfx__printk+0x10/0x10
[ 602.051689][ T8248] ? __pfx___might_resched+0x10/0x10
[ 602.051717][ T8248] ? fs_reclaim_acquire+0x7d/0x100
[ 602.051746][ T8248] should_fail_ex+0x46c/0x600
[ 602.051790][ T8248] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 602.051821][ T8248] should_failslab+0xa8/0x100
[ 602.051853][ T8248] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 602.051876][ T8248] kmem_cache_alloc_noprof+0x6e/0x310
[ 602.051914][ T8248] jbd2_journal_add_journal_head+0x95/0x4c0
[ 602.051944][ T8248] jbd2_journal_get_create_access+0x4d/0x460
[ 602.051986][ T8248] __ext4_journal_get_create_access+0xa9/0x410
[ 602.052027][ T8248] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 602.052064][ T8248] ? ext4_map_blocks+0x559/0x1740
[ 602.052100][ T8248] ext4_getblk+0x496/0x760
[ 602.052134][ T8248] ? __pfx_ext4_getblk+0x10/0x10
[ 602.052162][ T8248] ? __brelse+0x59/0xa0
[ 602.052207][ T8248] ext4_bread+0x2a/0x180
[ 602.052237][ T8248] ext4_append+0x2c6/0x560
[ 602.052271][ T8248] ? __pfx_ext4_append+0x10/0x10
[ 602.052303][ T8248] ? set_nlink+0x5f/0x170
[ 602.052335][ T8248] ext4_init_new_dir+0x11f/0x1c0
[ 602.052366][ T8248] ext4_mkdir+0x48c/0xc50
[ 602.052412][ T8248] ? __pfx_ext4_mkdir+0x10/0x10
[ 602.052443][ T8248] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 602.052470][ T8248] vfs_mkdir+0x306/0x510
[ 602.052506][ T8248] do_mkdirat+0x247/0x590
[ 602.052537][ T8248] ? __pfx_do_mkdirat+0x10/0x10
[ 602.052563][ T8248] ? strncpy_from_user+0x150/0x290
[ 602.052592][ T8248] ? getname_flags+0x1e5/0x540
[ 602.052633][ T8248] __x64_sys_mkdir+0x6c/0x80
[ 602.052663][ T8248] do_syscall_64+0xfa/0x3b0
[ 602.052696][ T8248] ? lockdep_hardirqs_on+0x9c/0x150
[ 602.052738][ T8248] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.052779][ T8248] ? clear_bhb_loop+0x60/0xb0
[ 602.052810][ T8248] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.052834][ T8248] RIP: 0033:0x7f8729e50127
[ 602.052855][ T8248] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 602.052876][ T8248] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 602.052902][ T8248] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 602.052920][ T8248] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 602.052936][ T8248] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 602.052952][ T8248] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 602.052967][ T8248] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 602.053008][ T8248]
[ 602.054847][ T8248] ENOMEM in journal_alloc_journal_head, retrying.
[ 602.690406][ T8250] loop0: detected capacity change from 0 to 32768
[ 602.695877][ T8250] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8250)
[ 602.696351][ T8250] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 602.698898][ T8250] FAULT_INJECTION: forcing a failure.
[ 602.698898][ T8250] name failslab, interval 1, probability 0, space 0, times 0
[ 602.698949][ T8250] CPU: 0 UID: 0 PID: 8250 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 602.698989][ T8250] Tainted: [W]=WARN
[ 602.698999][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 602.699018][ T8250] Call Trace:
[ 602.699030][ T8250]
[ 602.699041][ T8250] dump_stack_lvl+0x189/0x250
[ 602.699092][ T8250] ? __pfx____ratelimit+0x10/0x10
[ 602.699122][ T8250] ? __pfx_dump_stack_lvl+0x10/0x10
[ 602.699164][ T8250] ? __pfx__printk+0x10/0x10
[ 602.699201][ T8250] ? __pfx___might_resched+0x10/0x10
[ 602.699232][ T8250] ? fs_reclaim_acquire+0x7d/0x100
[ 602.699262][ T8250] should_fail_ex+0x46c/0x600
[ 602.699296][ T8250] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 602.699326][ T8250] should_failslab+0xa8/0x100
[ 602.699366][ T8250] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 602.699393][ T8250] kmem_cache_alloc_noprof+0x6e/0x310
[ 602.699436][ T8250] jbd2_journal_add_journal_head+0x95/0x4c0
[ 602.699473][ T8250] jbd2_journal_get_create_access+0x4d/0x460
[ 602.699517][ T8250] __ext4_journal_get_create_access+0xa9/0x410
[ 602.699561][ T8250] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 602.699602][ T8250] ? ext4_map_blocks+0x559/0x1740
[ 602.699642][ T8250] ext4_getblk+0x496/0x760
[ 602.699681][ T8250] ? __pfx_ext4_getblk+0x10/0x10
[ 602.699714][ T8250] ? __brelse+0x59/0xa0
[ 602.699758][ T8250] ext4_bread+0x2a/0x180
[ 602.699792][ T8250] ext4_append+0x2c6/0x560
[ 602.699829][ T8250] ? __pfx_ext4_append+0x10/0x10
[ 602.699867][ T8250] ? set_nlink+0x5f/0x170
[ 602.699906][ T8250] ext4_init_new_dir+0x11f/0x1c0
[ 602.699941][ T8250] ext4_mkdir+0x48c/0xc50
[ 602.699983][ T8250] ? __pfx_ext4_mkdir+0x10/0x10
[ 602.700021][ T8250] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 602.700054][ T8250] vfs_mkdir+0x306/0x510
[ 602.700096][ T8250] do_mkdirat+0x247/0x590
[ 602.700128][ T8250] ? __pfx_do_mkdirat+0x10/0x10
[ 602.700157][ T8250] ? strncpy_from_user+0x150/0x290
[ 602.700187][ T8250] ? getname_flags+0x1e5/0x540
[ 602.700233][ T8250] __x64_sys_mkdir+0x6c/0x80
[ 602.700266][ T8250] do_syscall_64+0xfa/0x3b0
[ 602.700296][ T8250] ? lockdep_hardirqs_on+0x9c/0x150
[ 602.700324][ T8250] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.700351][ T8250] ? clear_bhb_loop+0x60/0xb0
[ 602.700383][ T8250] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.700409][ T8250] RIP: 0033:0x7f8729e50127
[ 602.700434][ T8250] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 602.700456][ T8250] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 602.700485][ T8250] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 602.700504][ T8250] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 602.700521][ T8250] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 602.700537][ T8250] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 602.700554][ T8250] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 602.700593][ T8250]
[ 602.700608][ T8250] ENOMEM in journal_alloc_journal_head, retrying.
[ 603.383393][ T8252] loop0: detected capacity change from 0 to 32768
[ 603.386183][ T8252] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8252)
[ 603.389198][ T8252] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 603.391394][ T8252] FAULT_INJECTION: forcing a failure.
[ 603.391394][ T8252] name failslab, interval 1, probability 0, space 0, times 0
[ 603.391438][ T8252] CPU: 1 UID: 0 PID: 8252 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 603.391472][ T8252] Tainted: [W]=WARN
[ 603.391479][ T8252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 603.391493][ T8252] Call Trace:
[ 603.391502][ T8252]
[ 603.391512][ T8252] dump_stack_lvl+0x189/0x250
[ 603.391554][ T8252] ? __pfx____ratelimit+0x10/0x10
[ 603.391581][ T8252] ? __pfx_dump_stack_lvl+0x10/0x10
[ 603.391615][ T8252] ? __pfx__printk+0x10/0x10
[ 603.391651][ T8252] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 603.391676][ T8252] ? count_rsvd+0xa5/0x950
[ 603.391713][ T8252] should_fail_ex+0x46c/0x600
[ 603.391744][ T8252] ? __es_insert_extent+0x707/0x1790
[ 603.391770][ T8252] should_failslab+0xa8/0x100
[ 603.391805][ T8252] ? __es_insert_extent+0x707/0x1790
[ 603.391831][ T8252] kmem_cache_alloc_noprof+0x6e/0x310
[ 603.391869][ T8252] __es_insert_extent+0x707/0x1790
[ 603.391899][ T8252] ? __pfx___es_remove_extent+0x10/0x10
[ 603.391943][ T8252] ext4_es_insert_extent+0x5e3/0x3120
[ 603.391988][ T8252] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 603.392021][ T8252] ? __pfx_ext4_es_insert_extent+0x10/0x10
[ 603.392055][ T8252] ? ext4_es_lookup_extent+0x622/0xa70
[ 603.392092][ T8252] ext4_map_blocks+0xb47/0x1740
[ 603.392135][ T8252] ? __pfx_ext4_map_blocks+0x10/0x10
[ 603.392167][ T8252] ? ext4_map_blocks+0x4be/0x1740
[ 603.392198][ T8252] ? up_read+0x23/0x40
[ 603.392220][ T8252] ? ext4_map_blocks+0x559/0x1740
[ 603.392254][ T8252] ext4_getblk+0x1a9/0x760
[ 603.392288][ T8252] ? __pfx_ext4_getblk+0x10/0x10
[ 603.392318][ T8252] ? __brelse+0x59/0xa0
[ 603.392352][ T8252] ext4_bread+0x2a/0x180
[ 603.392382][ T8252] ext4_append+0x2c6/0x560
[ 603.392412][ T8252] ? __pfx_ext4_append+0x10/0x10
[ 603.392440][ T8252] ? set_nlink+0x5f/0x170
[ 603.392473][ T8252] ext4_init_new_dir+0x11f/0x1c0
[ 603.392504][ T8252] ext4_mkdir+0x48c/0xc50
[ 603.392543][ T8252] ? __pfx_ext4_mkdir+0x10/0x10
[ 603.392575][ T8252] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 603.392603][ T8252] vfs_mkdir+0x306/0x510
[ 603.392714][ T8252] do_mkdirat+0x247/0x590
[ 603.392756][ T8252] ? __pfx_do_mkdirat+0x10/0x10
[ 603.392781][ T8252] ? strncpy_from_user+0x150/0x290
[ 603.392822][ T8252] ? getname_flags+0x1e5/0x540
[ 603.392864][ T8252] __x64_sys_mkdir+0x6c/0x80
[ 603.392893][ T8252] do_syscall_64+0xfa/0x3b0
[ 603.392919][ T8252] ? lockdep_hardirqs_on+0x9c/0x150
[ 603.392944][ T8252] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.392969][ T8252] ? clear_bhb_loop+0x60/0xb0
[ 603.392999][ T8252] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.393021][ T8252] RIP: 0033:0x7f8729e50127
[ 603.393042][ T8252] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 603.393064][ T8252] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 603.393096][ T8252] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 603.393115][ T8252] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 603.393131][ T8252] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 603.393147][ T8252] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 603.393163][ T8252] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 603.393199][ T8252]
[ 604.117570][ T8254] loop0: detected capacity change from 0 to 32768
[ 604.121357][ T8254] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8254)
[ 604.121786][ T8254] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 604.154839][ T8254] FAULT_INJECTION: forcing a failure.
[ 604.154839][ T8254] name failslab, interval 1, probability 0, space 0, times 0
[ 604.154888][ T8254] CPU: 0 UID: 0 PID: 8254 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 604.154925][ T8254] Tainted: [W]=WARN
[ 604.154934][ T8254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 604.154949][ T8254] Call Trace:
[ 604.154959][ T8254]
[ 604.154970][ T8254] dump_stack_lvl+0x189/0x250
[ 604.155014][ T8254] ? __pfx____ratelimit+0x10/0x10
[ 604.155041][ T8254] ? __pfx_dump_stack_lvl+0x10/0x10
[ 604.155078][ T8254] ? __pfx__printk+0x10/0x10
[ 604.155112][ T8254] ? __pfx___might_resched+0x10/0x10
[ 604.155139][ T8254] ? fs_reclaim_acquire+0x7d/0x100
[ 604.155168][ T8254] should_fail_ex+0x46c/0x600
[ 604.155201][ T8254] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 604.155227][ T8254] should_failslab+0xa8/0x100
[ 604.155261][ T8254] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 604.155285][ T8254] kmem_cache_alloc_noprof+0x6e/0x310
[ 604.155323][ T8254] jbd2_journal_add_journal_head+0x95/0x4c0
[ 604.155369][ T8254] jbd2_journal_get_create_access+0x4d/0x460
[ 604.155413][ T8254] __ext4_journal_get_create_access+0xa9/0x410
[ 604.155455][ T8254] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 604.155494][ T8254] ? ext4_map_blocks+0x559/0x1740
[ 604.155530][ T8254] ext4_getblk+0x496/0x760
[ 604.155565][ T8254] ? __pfx_ext4_getblk+0x10/0x10
[ 604.155595][ T8254] ? __brelse+0x59/0xa0
[ 604.155630][ T8254] ext4_bread+0x2a/0x180
[ 604.155660][ T8254] ext4_append+0x2c6/0x560
[ 604.155694][ T8254] ? __pfx_ext4_append+0x10/0x10
[ 604.155727][ T8254] ? set_nlink+0x5f/0x170
[ 604.155764][ T8254] ext4_init_new_dir+0x11f/0x1c0
[ 604.155797][ T8254] ext4_mkdir+0x48c/0xc50
[ 604.155835][ T8254] ? __pfx_ext4_mkdir+0x10/0x10
[ 604.155868][ T8254] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 604.155896][ T8254] vfs_mkdir+0x306/0x510
[ 604.155933][ T8254] do_mkdirat+0x247/0x590
[ 604.155964][ T8254] ? __pfx_do_mkdirat+0x10/0x10
[ 604.155990][ T8254] ? strncpy_from_user+0x150/0x290
[ 604.156019][ T8254] ? getname_flags+0x1e5/0x540
[ 604.156061][ T8254] __x64_sys_mkdir+0x6c/0x80
[ 604.156091][ T8254] do_syscall_64+0xfa/0x3b0
[ 604.156117][ T8254] ? lockdep_hardirqs_on+0x9c/0x150
[ 604.156142][ T8254] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.156167][ T8254] ? clear_bhb_loop+0x60/0xb0
[ 604.156196][ T8254] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.156220][ T8254] RIP: 0033:0x7f8729e50127
[ 604.156241][ T8254] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 604.156264][ T8254] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 604.156289][ T8254] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 604.156307][ T8254] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 604.156323][ T8254] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 604.156339][ T8254] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 604.156363][ T8254] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 604.156397][ T8254]
[ 604.156411][ T8254] ENOMEM in journal_alloc_journal_head, retrying.
[ 604.706607][ T8255] FAULT_INJECTION: forcing a failure.
[ 604.706607][ T8255] name failslab, interval 1, probability 0, space 0, times 0
[ 604.706655][ T8255] CPU: 1 UID: 0 PID: 8255 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 604.706692][ T8255] Tainted: [W]=WARN
[ 604.706700][ T8255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 604.706716][ T8255] Call Trace:
[ 604.706726][ T8255]
[ 604.706743][ T8255] dump_stack_lvl+0x189/0x250
[ 604.706787][ T8255] ? __pfx____ratelimit+0x10/0x10
[ 604.706815][ T8255] ? __pfx_dump_stack_lvl+0x10/0x10
[ 604.706851][ T8255] ? __pfx__printk+0x10/0x10
[ 604.706886][ T8255] ? __pfx___might_resched+0x10/0x10
[ 604.706914][ T8255] ? fs_reclaim_acquire+0x7d/0x100
[ 604.706942][ T8255] should_fail_ex+0x46c/0x600
[ 604.706974][ T8255] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 604.707001][ T8255] should_failslab+0xa8/0x100
[ 604.707036][ T8255] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 604.707060][ T8255] kmem_cache_alloc_noprof+0x6e/0x310
[ 604.707099][ T8255] jbd2_journal_add_journal_head+0x95/0x4c0
[ 604.707133][ T8255] jbd2_journal_get_create_access+0x4d/0x460
[ 604.707179][ T8255] __ext4_journal_get_create_access+0xa9/0x410
[ 604.707222][ T8255] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 604.707260][ T8255] ? ext4_map_blocks+0x559/0x1740
[ 604.707310][ T8255] ext4_getblk+0x496/0x760
[ 604.707345][ T8255] ? __pfx_ext4_getblk+0x10/0x10
[ 604.707375][ T8255] ? __brelse+0x59/0xa0
[ 604.707410][ T8255] ext4_bread+0x2a/0x180
[ 604.707440][ T8255] ext4_append+0x2c6/0x560
[ 604.707474][ T8255] ? __pfx_ext4_append+0x10/0x10
[ 604.707508][ T8255] ? set_nlink+0x5f/0x170
[ 604.707544][ T8255] ext4_init_new_dir+0x11f/0x1c0
[ 604.707575][ T8255] ext4_mkdir+0x48c/0xc50
[ 604.707612][ T8255] ? __pfx_ext4_mkdir+0x10/0x10
[ 604.707646][ T8255] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 604.707674][ T8255] vfs_mkdir+0x306/0x510
[ 604.707712][ T8255] do_mkdirat+0x247/0x590
[ 604.707744][ T8255] ? __pfx_do_mkdirat+0x10/0x10
[ 604.707771][ T8255] ? strncpy_from_user+0x150/0x290
[ 604.707800][ T8255] ? getname_flags+0x1e5/0x540
[ 604.707842][ T8255] __x64_sys_mkdir+0x6c/0x80
[ 604.707871][ T8255] do_syscall_64+0xfa/0x3b0
[ 604.707897][ T8255] ? lockdep_hardirqs_on+0x9c/0x150
[ 604.707921][ T8255] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.707946][ T8255] ? clear_bhb_loop+0x60/0xb0
[ 604.707976][ T8255] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.707999][ T8255] RIP: 0033:0x7f8729e50127
[ 604.708021][ T8255] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 604.708041][ T8255] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 604.708068][ T8255] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 604.708086][ T8255] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 604.708101][ T8255] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 604.708117][ T8255] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 604.708132][ T8255] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 604.708167][ T8255]
[ 604.708342][ T8255] ENOMEM in journal_alloc_journal_head, retrying.
[ 605.275966][ T8257] loop0: detected capacity change from 0 to 32768
[ 605.278908][ T8257] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8257)
[ 605.279333][ T8257] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 605.281537][ T8257] FAULT_INJECTION: forcing a failure.
[ 605.281537][ T8257] name failslab, interval 1, probability 0, space 0, times 0
[ 605.281581][ T8257] CPU: 0 UID: 0 PID: 8257 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 605.281617][ T8257] Tainted: [W]=WARN
[ 605.281627][ T8257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 605.281643][ T8257] Call Trace:
[ 605.281653][ T8257]
[ 605.281665][ T8257] dump_stack_lvl+0x189/0x250
[ 605.281707][ T8257] ? __pfx____ratelimit+0x10/0x10
[ 605.281735][ T8257] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.281771][ T8257] ? __pfx__printk+0x10/0x10
[ 605.281809][ T8257] ? __pfx___might_resched+0x10/0x10
[ 605.281834][ T8257] ? fs_reclaim_acquire+0x7d/0x100
[ 605.281861][ T8257] should_fail_ex+0x46c/0x600
[ 605.281891][ T8257] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 605.281917][ T8257] should_failslab+0xa8/0x100
[ 605.281950][ T8257] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 605.281973][ T8257] kmem_cache_alloc_noprof+0x6e/0x310
[ 605.282010][ T8257] jbd2_journal_add_journal_head+0x95/0x4c0
[ 605.282040][ T8257] jbd2_journal_get_create_access+0x4d/0x460
[ 605.282084][ T8257] __ext4_journal_get_create_access+0xa9/0x410
[ 605.282126][ T8257] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 605.282165][ T8257] ? ext4_map_blocks+0x559/0x1740
[ 605.282201][ T8257] ext4_getblk+0x496/0x760
[ 605.282237][ T8257] ? __pfx_ext4_getblk+0x10/0x10
[ 605.282279][ T8257] ? __brelse+0x59/0xa0
[ 605.282307][ T8257] ext4_bread+0x2a/0x180
[ 605.282335][ T8257] ext4_append+0x2c6/0x560
[ 605.282366][ T8257] ? __pfx_ext4_append+0x10/0x10
[ 605.282397][ T8257] ? set_nlink+0x5f/0x170
[ 605.282433][ T8257] ext4_init_new_dir+0x11f/0x1c0
[ 605.282465][ T8257] ext4_mkdir+0x48c/0xc50
[ 605.282503][ T8257] ? __pfx_ext4_mkdir+0x10/0x10
[ 605.282537][ T8257] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 605.282567][ T8257] vfs_mkdir+0x306/0x510
[ 605.282604][ T8257] do_mkdirat+0x247/0x590
[ 605.282636][ T8257] ? __pfx_do_mkdirat+0x10/0x10
[ 605.282661][ T8257] ? strncpy_from_user+0x150/0x290
[ 605.282690][ T8257] ? getname_flags+0x1e5/0x540
[ 605.282732][ T8257] __x64_sys_mkdir+0x6c/0x80
[ 605.282761][ T8257] do_syscall_64+0xfa/0x3b0
[ 605.282789][ T8257] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.282813][ T8257] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.282838][ T8257] ? clear_bhb_loop+0x60/0xb0
[ 605.282867][ T8257] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.282891][ T8257] RIP: 0033:0x7f8729e50127
[ 605.282914][ T8257] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 605.282935][ T8257] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 605.282961][ T8257] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 605.282980][ T8257] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 605.282995][ T8257] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 605.283010][ T8257] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 605.283025][ T8257] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 605.283059][ T8257]
[ 605.294883][ T8257] ENOMEM in journal_alloc_journal_head, retrying.
[ 605.957916][ T8258] loop0: detected capacity change from 0 to 32768
[ 605.960789][ T8258] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8258)
[ 605.961202][ T8258] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 605.964718][ T8258] FAULT_INJECTION: forcing a failure.
[ 605.964718][ T8258] name failslab, interval 1, probability 0, space 0, times 0
[ 605.964772][ T8258] CPU: 1 UID: 0 PID: 8258 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 605.964812][ T8258] Tainted: [W]=WARN
[ 605.964823][ T8258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 605.964840][ T8258] Call Trace:
[ 605.964852][ T8258]
[ 605.964863][ T8258] dump_stack_lvl+0x189/0x250
[ 605.964913][ T8258] ? __pfx____ratelimit+0x10/0x10
[ 605.964944][ T8258] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.964984][ T8258] ? __pfx__printk+0x10/0x10
[ 605.965021][ T8258] ? __pfx___might_resched+0x10/0x10
[ 605.965053][ T8258] ? fs_reclaim_acquire+0x7d/0x100
[ 605.965085][ T8258] should_fail_ex+0x46c/0x600
[ 605.965120][ T8258] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 605.965148][ T8258] should_failslab+0xa8/0x100
[ 605.965189][ T8258] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 605.965215][ T8258] kmem_cache_alloc_noprof+0x6e/0x310
[ 605.965258][ T8258] jbd2_journal_add_journal_head+0x95/0x4c0
[ 605.965294][ T8258] jbd2_journal_get_create_access+0x4d/0x460
[ 605.965343][ T8258] __ext4_journal_get_create_access+0xa9/0x410
[ 605.965401][ T8258] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 605.965443][ T8258] ? ext4_map_blocks+0x559/0x1740
[ 605.965483][ T8258] ext4_getblk+0x496/0x760
[ 605.965522][ T8258] ? __pfx_ext4_getblk+0x10/0x10
[ 605.965555][ T8258] ? __brelse+0x59/0xa0
[ 605.965592][ T8258] ext4_bread+0x2a/0x180
[ 605.965626][ T8258] ext4_append+0x2c6/0x560
[ 605.965662][ T8258] ? __pfx_ext4_append+0x10/0x10
[ 605.965700][ T8258] ? set_nlink+0x5f/0x170
[ 605.965739][ T8258] ext4_init_new_dir+0x11f/0x1c0
[ 605.965774][ T8258] ext4_mkdir+0x48c/0xc50
[ 605.965815][ T8258] ? __pfx_ext4_mkdir+0x10/0x10
[ 605.965849][ T8258] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 605.965883][ T8258] vfs_mkdir+0x306/0x510
[ 605.965922][ T8258] do_mkdirat+0x247/0x590
[ 605.965957][ T8258] ? __pfx_do_mkdirat+0x10/0x10
[ 605.965984][ T8258] ? strncpy_from_user+0x150/0x290
[ 605.966016][ T8258] ? getname_flags+0x1e5/0x540
[ 605.966061][ T8258] __x64_sys_mkdir+0x6c/0x80
[ 605.966093][ T8258] do_syscall_64+0xfa/0x3b0
[ 605.966121][ T8258] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.966148][ T8258] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.966175][ T8258] ? clear_bhb_loop+0x60/0xb0
[ 605.966206][ T8258] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.966233][ T8258] RIP: 0033:0x7f8729e50127
[ 605.966256][ T8258] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 605.966280][ T8258] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 605.966309][ T8258] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 605.966336][ T8258] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 605.966354][ T8258] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 605.966371][ T8258] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 605.966488][ T8258] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 605.966543][ T8258]
[ 605.966562][ T8258] ENOMEM in journal_alloc_journal_head, retrying.
[ 606.649399][ T8260] loop0: detected capacity change from 0 to 32768
[ 606.659020][ T8260] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8260)
[ 606.659516][ T8260] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 606.661728][ T8260] FAULT_INJECTION: forcing a failure.
[ 606.661728][ T8260] name failslab, interval 1, probability 0, space 0, times 0
[ 606.661772][ T8260] CPU: 0 UID: 0 PID: 8260 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 606.661813][ T8260] Tainted: [W]=WARN
[ 606.661821][ T8260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 606.661835][ T8260] Call Trace:
[ 606.661844][ T8260]
[ 606.661855][ T8260] dump_stack_lvl+0x189/0x250
[ 606.661900][ T8260] ? __pfx____ratelimit+0x10/0x10
[ 606.661929][ T8260] ? __pfx_dump_stack_lvl+0x10/0x10
[ 606.661963][ T8260] ? __pfx__printk+0x10/0x10
[ 606.661996][ T8260] ? __pfx___might_resched+0x10/0x10
[ 606.662023][ T8260] ? fs_reclaim_acquire+0x7d/0x100
[ 606.662051][ T8260] should_fail_ex+0x46c/0x600
[ 606.662092][ T8260] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 606.662120][ T8260] should_failslab+0xa8/0x100
[ 606.662154][ T8260] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 606.662177][ T8260] kmem_cache_alloc_noprof+0x6e/0x310
[ 606.662217][ T8260] jbd2_journal_add_journal_head+0x95/0x4c0
[ 606.662250][ T8260] jbd2_journal_get_create_access+0x4d/0x460
[ 606.662295][ T8260] __ext4_journal_get_create_access+0xa9/0x410
[ 606.662337][ T8260] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 606.662377][ T8260] ? ext4_map_blocks+0x559/0x1740
[ 606.662413][ T8260] ext4_getblk+0x496/0x760
[ 606.662448][ T8260] ? __pfx_ext4_getblk+0x10/0x10
[ 606.662478][ T8260] ? __brelse+0x59/0xa0
[ 606.662513][ T8260] ext4_bread+0x2a/0x180
[ 606.662543][ T8260] ext4_append+0x2c6/0x560
[ 606.662576][ T8260] ? __pfx_ext4_append+0x10/0x10
[ 606.662610][ T8260] ? set_nlink+0x5f/0x170
[ 606.662646][ T8260] ext4_init_new_dir+0x11f/0x1c0
[ 606.662678][ T8260] ext4_mkdir+0x48c/0xc50
[ 606.662715][ T8260] ? __pfx_ext4_mkdir+0x10/0x10
[ 606.662748][ T8260] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 606.662775][ T8260] vfs_mkdir+0x306/0x510
[ 606.662813][ T8260] do_mkdirat+0x247/0x590
[ 606.662843][ T8260] ? __pfx_do_mkdirat+0x10/0x10
[ 606.662868][ T8260] ? strncpy_from_user+0x150/0x290
[ 606.662896][ T8260] ? getname_flags+0x1e5/0x540
[ 606.662937][ T8260] __x64_sys_mkdir+0x6c/0x80
[ 606.662967][ T8260] do_syscall_64+0xfa/0x3b0
[ 606.662994][ T8260] ? lockdep_hardirqs_on+0x9c/0x150
[ 606.663020][ T8260] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.663045][ T8260] ? clear_bhb_loop+0x60/0xb0
[ 606.663075][ T8260] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.663107][ T8260] RIP: 0033:0x7f8729e50127
[ 606.663129][ T8260] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 606.663150][ T8260] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 606.663176][ T8260] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 606.663195][ T8260] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 606.663220][ T8260] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 606.663236][ T8260] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 606.663251][ T8260] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 606.663287][ T8260]
[ 606.732180][ T8260] ENOMEM in journal_alloc_journal_head, retrying.
[ 607.267132][ T8262] loop0: detected capacity change from 0 to 32768
[ 607.270837][ T8262] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8262)
[ 607.271301][ T8262] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 607.450638][ T8262] FAULT_INJECTION: forcing a failure.
[ 607.450638][ T8262] name failslab, interval 1, probability 0, space 0, times 0
[ 607.450686][ T8262] CPU: 1 UID: 0 PID: 8262 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 607.450721][ T8262] Tainted: [W]=WARN
[ 607.450730][ T8262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 607.450746][ T8262] Call Trace:
[ 607.450756][ T8262]
[ 607.450767][ T8262] dump_stack_lvl+0x189/0x250
[ 607.450810][ T8262] ? __pfx____ratelimit+0x10/0x10
[ 607.450839][ T8262] ? __pfx_dump_stack_lvl+0x10/0x10
[ 607.450875][ T8262] ? __pfx__printk+0x10/0x10
[ 607.450909][ T8262] ? __pfx___might_resched+0x10/0x10
[ 607.450937][ T8262] ? fs_reclaim_acquire+0x7d/0x100
[ 607.450966][ T8262] should_fail_ex+0x46c/0x600
[ 607.450997][ T8262] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 607.451030][ T8262] should_failslab+0xa8/0x100
[ 607.451063][ T8262] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 607.451086][ T8262] kmem_cache_alloc_noprof+0x6e/0x310
[ 607.451125][ T8262] jbd2_journal_add_journal_head+0x95/0x4c0
[ 607.451158][ T8262] jbd2_journal_get_create_access+0x4d/0x460
[ 607.451199][ T8262] __ext4_journal_get_create_access+0xa9/0x410
[ 607.451239][ T8262] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 607.451276][ T8262] ? ext4_map_blocks+0x559/0x1740
[ 607.451319][ T8262] ext4_getblk+0x496/0x760
[ 607.451355][ T8262] ? __pfx_ext4_getblk+0x10/0x10
[ 607.451385][ T8262] ? __brelse+0x59/0xa0
[ 607.451419][ T8262] ext4_bread+0x2a/0x180
[ 607.451447][ T8262] ext4_append+0x2c6/0x560
[ 607.451481][ T8262] ? __pfx_ext4_append+0x10/0x10
[ 607.451515][ T8262] ? set_nlink+0x5f/0x170
[ 607.451551][ T8262] ext4_init_new_dir+0x11f/0x1c0
[ 607.451581][ T8262] ext4_mkdir+0x48c/0xc50
[ 607.451619][ T8262] ? __pfx_ext4_mkdir+0x10/0x10
[ 607.451653][ T8262] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 607.451682][ T8262] vfs_mkdir+0x306/0x510
[ 607.451719][ T8262] do_mkdirat+0x247/0x590
[ 607.451751][ T8262] ? __pfx_do_mkdirat+0x10/0x10
[ 607.451776][ T8262] ? strncpy_from_user+0x150/0x290
[ 607.451805][ T8262] ? getname_flags+0x1e5/0x540
[ 607.451842][ T8262] __x64_sys_mkdir+0x6c/0x80
[ 607.451872][ T8262] do_syscall_64+0xfa/0x3b0
[ 607.451899][ T8262] ? lockdep_hardirqs_on+0x9c/0x150
[ 607.451924][ T8262] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.451948][ T8262] ? clear_bhb_loop+0x60/0xb0
[ 607.451978][ T8262] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.452002][ T8262] RIP: 0033:0x7f8729e50127
[ 607.452024][ T8262] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 607.452044][ T8262] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 607.452070][ T8262] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 607.452088][ T8262] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 607.452104][ T8262] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 607.452120][ T8262] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 607.452135][ T8262] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 607.452171][ T8262]
[ 607.463953][ T8262] ENOMEM in journal_alloc_journal_head, retrying.
[ 607.890834][ T8264] loop0: detected capacity change from 0 to 32768
[ 607.901258][ T8264] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 607.904814][ T8264] FAULT_INJECTION: forcing a failure.
[ 607.904814][ T8264] name failslab, interval 1, probability 0, space 0, times 0
[ 607.904870][ T8264] CPU: 1 UID: 0 PID: 8264 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 607.904915][ T8264] Tainted: [W]=WARN
[ 607.904925][ T8264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 607.904943][ T8264] Call Trace:
[ 607.904956][ T8264]
[ 607.904969][ T8264] dump_stack_lvl+0x189/0x250
[ 607.905017][ T8264] ? __pfx____ratelimit+0x10/0x10
[ 607.905048][ T8264] ? __pfx_dump_stack_lvl+0x10/0x10
[ 607.905089][ T8264] ? __pfx__printk+0x10/0x10
[ 607.905127][ T8264] ? __pfx___might_resched+0x10/0x10
[ 607.905157][ T8264] ? fs_reclaim_acquire+0x7d/0x100
[ 607.905189][ T8264] should_fail_ex+0x46c/0x600
[ 607.905232][ T8264] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 607.905262][ T8264] should_failslab+0xa8/0x100
[ 607.905303][ T8264] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 607.905330][ T8264] kmem_cache_alloc_noprof+0x6e/0x310
[ 607.905376][ T8264] jbd2_journal_add_journal_head+0x95/0x4c0
[ 607.905412][ T8264] jbd2_journal_get_create_access+0x4d/0x460
[ 607.905461][ T8264] __ext4_journal_get_create_access+0xa9/0x410
[ 607.905508][ T8264] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 607.905551][ T8264] ? ext4_map_blocks+0x559/0x1740
[ 607.905591][ T8264] ext4_getblk+0x496/0x760
[ 607.905630][ T8264] ? __pfx_ext4_getblk+0x10/0x10
[ 607.905664][ T8264] ? __brelse+0x59/0xa0
[ 607.905701][ T8264] ext4_bread+0x2a/0x180
[ 607.905733][ T8264] ext4_append+0x2c6/0x560
[ 607.905776][ T8264] ? __pfx_ext4_append+0x10/0x10
[ 607.905813][ T8264] ? set_nlink+0x5f/0x170
[ 607.905853][ T8264] ext4_init_new_dir+0x11f/0x1c0
[ 607.905888][ T8264] ext4_mkdir+0x48c/0xc50
[ 607.905931][ T8264] ? __pfx_ext4_mkdir+0x10/0x10
[ 607.905967][ T8264] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 607.905997][ T8264] vfs_mkdir+0x306/0x510
[ 607.906039][ T8264] do_mkdirat+0x247/0x590
[ 607.906074][ T8264] ? __pfx_do_mkdirat+0x10/0x10
[ 607.906103][ T8264] ? strncpy_from_user+0x150/0x290
[ 607.906134][ T8264] ? getname_flags+0x1e5/0x540
[ 607.906179][ T8264] __x64_sys_mkdir+0x6c/0x80
[ 607.906211][ T8264] do_syscall_64+0xfa/0x3b0
[ 607.906250][ T8264] ? lockdep_hardirqs_on+0x9c/0x150
[ 607.906281][ T8264] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.906308][ T8264] ? clear_bhb_loop+0x60/0xb0
[ 607.906343][ T8264] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.906370][ T8264] RIP: 0033:0x7f8729e50127
[ 607.906394][ T8264] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 607.906419][ T8264] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 607.906448][ T8264] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 607.906468][ T8264] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 607.906486][ T8264] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 607.906504][ T8264] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 607.906521][ T8264] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 607.906560][ T8264]
[ 607.906695][ T8264] ENOMEM in journal_alloc_journal_head, retrying.
[ 608.498370][ T8265] loop0: detected capacity change from 0 to 32768
[ 608.511575][ T8265] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8265)
[ 608.512304][ T8265] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 608.675455][ T8265] FAULT_INJECTION: forcing a failure.
[ 608.675455][ T8265] name failslab, interval 1, probability 0, space 0, times 0
[ 608.675503][ T8265] CPU: 1 UID: 0 PID: 8265 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 608.675539][ T8265] Tainted: [W]=WARN
[ 608.675548][ T8265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 608.675564][ T8265] Call Trace:
[ 608.675574][ T8265]
[ 608.675586][ T8265] dump_stack_lvl+0x189/0x250
[ 608.675630][ T8265] ? __pfx____ratelimit+0x10/0x10
[ 608.675658][ T8265] ? __pfx_dump_stack_lvl+0x10/0x10
[ 608.675695][ T8265] ? __pfx__printk+0x10/0x10
[ 608.675728][ T8265] ? __pfx___might_resched+0x10/0x10
[ 608.675757][ T8265] ? fs_reclaim_acquire+0x7d/0x100
[ 608.675785][ T8265] should_fail_ex+0x46c/0x600
[ 608.675816][ T8265] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 608.675842][ T8265] should_failslab+0xa8/0x100
[ 608.675877][ T8265] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 608.675910][ T8265] kmem_cache_alloc_noprof+0x6e/0x310
[ 608.675950][ T8265] jbd2_journal_add_journal_head+0x95/0x4c0
[ 608.675984][ T8265] jbd2_journal_get_create_access+0x4d/0x460
[ 608.676029][ T8265] __ext4_journal_get_create_access+0xa9/0x410
[ 608.676072][ T8265] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 608.676111][ T8265] ? ext4_map_blocks+0x559/0x1740
[ 608.676147][ T8265] ext4_getblk+0x496/0x760
[ 608.676182][ T8265] ? __pfx_ext4_getblk+0x10/0x10
[ 608.676210][ T8265] ? __brelse+0x59/0xa0
[ 608.676243][ T8265] ext4_bread+0x2a/0x180
[ 608.676273][ T8265] ext4_append+0x2c6/0x560
[ 608.676306][ T8265] ? __pfx_ext4_append+0x10/0x10
[ 608.676341][ T8265] ? set_nlink+0x5f/0x170
[ 608.676376][ T8265] ext4_init_new_dir+0x11f/0x1c0
[ 608.676406][ T8265] ext4_mkdir+0x48c/0xc50
[ 608.676443][ T8265] ? __pfx_ext4_mkdir+0x10/0x10
[ 608.676476][ T8265] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 608.676504][ T8265] vfs_mkdir+0x306/0x510
[ 608.676540][ T8265] do_mkdirat+0x247/0x590
[ 608.676572][ T8265] ? __pfx_do_mkdirat+0x10/0x10
[ 608.676597][ T8265] ? strncpy_from_user+0x150/0x290
[ 608.676627][ T8265] ? getname_flags+0x1e5/0x540
[ 608.676666][ T8265] __x64_sys_mkdir+0x6c/0x80
[ 608.676696][ T8265] do_syscall_64+0xfa/0x3b0
[ 608.676723][ T8265] ? lockdep_hardirqs_on+0x9c/0x150
[ 608.676748][ T8265] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.676772][ T8265] ? clear_bhb_loop+0x60/0xb0
[ 608.676801][ T8265] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.676824][ T8265] RIP: 0033:0x7f8729e50127
[ 608.676845][ T8265] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 608.676867][ T8265] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 608.676892][ T8265] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 608.676918][ T8265] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 608.676934][ T8265] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 608.676950][ T8265] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 608.676964][ T8265] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 608.676999][ T8265]
[ 608.677012][ T8265] ENOMEM in journal_alloc_journal_head, retrying.
[ 609.137849][ T8267] loop0: detected capacity change from 0 to 32768
[ 609.151068][ T8267] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 609.163264][ T8267] FAULT_INJECTION: forcing a failure.
[ 609.163264][ T8267] name failslab, interval 1, probability 0, space 0, times 0
[ 609.163312][ T8267] CPU: 0 UID: 0 PID: 8267 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 609.163348][ T8267] Tainted: [W]=WARN
[ 609.163357][ T8267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 609.163373][ T8267] Call Trace:
[ 609.163383][ T8267]
[ 609.163394][ T8267] dump_stack_lvl+0x189/0x250
[ 609.163440][ T8267] ? __pfx____ratelimit+0x10/0x10
[ 609.163469][ T8267] ? __pfx_dump_stack_lvl+0x10/0x10
[ 609.163505][ T8267] ? __pfx__printk+0x10/0x10
[ 609.163539][ T8267] ? __pfx___might_resched+0x10/0x10
[ 609.163566][ T8267] ? fs_reclaim_acquire+0x7d/0x100
[ 609.163596][ T8267] should_fail_ex+0x46c/0x600
[ 609.163627][ T8267] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 609.163654][ T8267] should_failslab+0xa8/0x100
[ 609.163688][ T8267] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 609.163711][ T8267] kmem_cache_alloc_noprof+0x6e/0x310
[ 609.163749][ T8267] jbd2_journal_add_journal_head+0x95/0x4c0
[ 609.163782][ T8267] jbd2_journal_get_create_access+0x4d/0x460
[ 609.163828][ T8267] __ext4_journal_get_create_access+0xa9/0x410
[ 609.163882][ T8267] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 609.163921][ T8267] ? ext4_map_blocks+0x559/0x1740
[ 609.163958][ T8267] ext4_getblk+0x496/0x760
[ 609.163992][ T8267] ? __pfx_ext4_getblk+0x10/0x10
[ 609.164023][ T8267] ? __brelse+0x59/0xa0
[ 609.164057][ T8267] ext4_bread+0x2a/0x180
[ 609.164087][ T8267] ext4_append+0x2c6/0x560
[ 609.164120][ T8267] ? __pfx_ext4_append+0x10/0x10
[ 609.164154][ T8267] ? set_nlink+0x5f/0x170
[ 609.164190][ T8267] ext4_init_new_dir+0x11f/0x1c0
[ 609.164221][ T8267] ext4_mkdir+0x48c/0xc50
[ 609.164258][ T8267] ? __pfx_ext4_mkdir+0x10/0x10
[ 609.164291][ T8267] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 609.164321][ T8267] vfs_mkdir+0x306/0x510
[ 609.164356][ T8267] do_mkdirat+0x247/0x590
[ 609.164388][ T8267] ? __pfx_do_mkdirat+0x10/0x10
[ 609.164413][ T8267] ? strncpy_from_user+0x150/0x290
[ 609.164442][ T8267] ? getname_flags+0x1e5/0x540
[ 609.164484][ T8267] __x64_sys_mkdir+0x6c/0x80
[ 609.164514][ T8267] do_syscall_64+0xfa/0x3b0
[ 609.164541][ T8267] ? lockdep_hardirqs_on+0x9c/0x150
[ 609.164566][ T8267] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.164590][ T8267] ? clear_bhb_loop+0x60/0xb0
[ 609.164620][ T8267] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.164643][ T8267] RIP: 0033:0x7f8729e50127
[ 609.164666][ T8267] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 609.164687][ T8267] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 609.164713][ T8267] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 609.164731][ T8267] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 609.164746][ T8267] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 609.164762][ T8267] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 609.164777][ T8267] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 609.164812][ T8267]
[ 609.164825][ T8267] ENOMEM in journal_alloc_journal_head, retrying.
[ 609.795714][ T8268] loop0: detected capacity change from 0 to 32768
[ 609.799299][ T8268] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8268)
[ 609.799825][ T8268] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 609.832041][ T8268] FAULT_INJECTION: forcing a failure.
[ 609.832041][ T8268] name failslab, interval 1, probability 0, space 0, times 0
[ 609.832102][ T8268] CPU: 0 UID: 0 PID: 8268 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 609.832139][ T8268] Tainted: [W]=WARN
[ 609.832148][ T8268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 609.832164][ T8268] Call Trace:
[ 609.832173][ T8268]
[ 609.832184][ T8268] dump_stack_lvl+0x189/0x250
[ 609.832229][ T8268] ? __pfx____ratelimit+0x10/0x10
[ 609.832258][ T8268] ? __pfx_dump_stack_lvl+0x10/0x10
[ 609.832294][ T8268] ? __pfx__printk+0x10/0x10
[ 609.832327][ T8268] ? __pfx___might_resched+0x10/0x10
[ 609.832354][ T8268] ? fs_reclaim_acquire+0x7d/0x100
[ 609.832382][ T8268] should_fail_ex+0x46c/0x600
[ 609.832414][ T8268] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 609.832441][ T8268] should_failslab+0xa8/0x100
[ 609.832476][ T8268] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 609.832500][ T8268] kmem_cache_alloc_noprof+0x6e/0x310
[ 609.832541][ T8268] jbd2_journal_add_journal_head+0x95/0x4c0
[ 609.832575][ T8268] jbd2_journal_get_create_access+0x4d/0x460
[ 609.832621][ T8268] __ext4_journal_get_create_access+0xa9/0x410
[ 609.832664][ T8268] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 609.832703][ T8268] ? ext4_map_blocks+0x559/0x1740
[ 609.832739][ T8268] ext4_getblk+0x496/0x760
[ 609.832775][ T8268] ? __pfx_ext4_getblk+0x10/0x10
[ 609.832803][ T8268] ? __brelse+0x59/0xa0
[ 609.832839][ T8268] ext4_bread+0x2a/0x180
[ 609.832869][ T8268] ext4_append+0x2c6/0x560
[ 609.832903][ T8268] ? __pfx_ext4_append+0x10/0x10
[ 609.832938][ T8268] ? set_nlink+0x5f/0x170
[ 609.832974][ T8268] ext4_init_new_dir+0x11f/0x1c0
[ 609.833005][ T8268] ext4_mkdir+0x48c/0xc50
[ 609.833050][ T8268] ? __pfx_ext4_mkdir+0x10/0x10
[ 609.833089][ T8268] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 609.833124][ T8268] vfs_mkdir+0x306/0x510
[ 609.833161][ T8268] do_mkdirat+0x247/0x590
[ 609.833192][ T8268] ? __pfx_do_mkdirat+0x10/0x10
[ 609.833218][ T8268] ? strncpy_from_user+0x150/0x290
[ 609.833246][ T8268] ? getname_flags+0x1e5/0x540
[ 609.833291][ T8268] __x64_sys_mkdir+0x6c/0x80
[ 609.833320][ T8268] do_syscall_64+0xfa/0x3b0
[ 609.833347][ T8268] ? lockdep_hardirqs_on+0x9c/0x150
[ 609.833379][ T8268] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.833403][ T8268] ? clear_bhb_loop+0x60/0xb0
[ 609.833432][ T8268] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.833457][ T8268] RIP: 0033:0x7f8729e50127
[ 609.833479][ T8268] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 609.833502][ T8268] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 609.833528][ T8268] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 609.833545][ T8268] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 609.833561][ T8268] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 609.833578][ T8268] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 609.833593][ T8268] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 609.833629][ T8268]
[ 609.833641][ T8268] ENOMEM in journal_alloc_journal_head, retrying.
[ 610.382869][ T8270] loop0: detected capacity change from 0 to 32768
[ 610.386459][ T8270] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 610.388643][ T8270] FAULT_INJECTION: forcing a failure.
[ 610.388643][ T8270] name failslab, interval 1, probability 0, space 0, times 0
[ 610.388689][ T8270] CPU: 1 UID: 0 PID: 8270 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 610.388725][ T8270] Tainted: [W]=WARN
[ 610.388734][ T8270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 610.388750][ T8270] Call Trace:
[ 610.388761][ T8270]
[ 610.388772][ T8270] dump_stack_lvl+0x189/0x250
[ 610.388817][ T8270] ? __pfx____ratelimit+0x10/0x10
[ 610.388845][ T8270] ? __pfx_dump_stack_lvl+0x10/0x10
[ 610.388881][ T8270] ? __pfx__printk+0x10/0x10
[ 610.388909][ T8270] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 610.388937][ T8270] ? count_rsvd+0xa5/0x950
[ 610.388975][ T8270] should_fail_ex+0x46c/0x600
[ 610.389007][ T8270] ? __es_insert_extent+0x707/0x1790
[ 610.389034][ T8270] should_failslab+0xa8/0x100
[ 610.389079][ T8270] ? __es_insert_extent+0x707/0x1790
[ 610.389104][ T8270] kmem_cache_alloc_noprof+0x6e/0x310
[ 610.389145][ T8270] __es_insert_extent+0x707/0x1790
[ 610.389176][ T8270] ? __pfx___es_remove_extent+0x10/0x10
[ 610.389217][ T8270] ext4_es_insert_extent+0x5e3/0x3120
[ 610.389262][ T8270] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 610.389293][ T8270] ? __pfx_ext4_es_insert_extent+0x10/0x10
[ 610.389330][ T8270] ? ext4_es_lookup_extent+0x622/0xa70
[ 610.389369][ T8270] ext4_map_blocks+0xb47/0x1740
[ 610.389410][ T8270] ? __pfx_ext4_map_blocks+0x10/0x10
[ 610.389441][ T8270] ? ext4_map_blocks+0x4be/0x1740
[ 610.389471][ T8270] ? up_read+0x23/0x40
[ 610.389493][ T8270] ? ext4_map_blocks+0x559/0x1740
[ 610.389526][ T8270] ext4_getblk+0x1a9/0x760
[ 610.389562][ T8270] ? __pfx_ext4_getblk+0x10/0x10
[ 610.389591][ T8270] ? __brelse+0x59/0xa0
[ 610.389624][ T8270] ext4_bread+0x2a/0x180
[ 610.389652][ T8270] ext4_append+0x2c6/0x560
[ 610.389683][ T8270] ? __pfx_ext4_append+0x10/0x10
[ 610.389717][ T8270] ? set_nlink+0x5f/0x170
[ 610.389751][ T8270] ext4_init_new_dir+0x11f/0x1c0
[ 610.389782][ T8270] ext4_mkdir+0x48c/0xc50
[ 610.389821][ T8270] ? __pfx_ext4_mkdir+0x10/0x10
[ 610.389850][ T8270] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 610.389875][ T8270] vfs_mkdir+0x306/0x510
[ 610.389911][ T8270] do_mkdirat+0x247/0x590
[ 610.389939][ T8270] ? __pfx_do_mkdirat+0x10/0x10
[ 610.389963][ T8270] ? strncpy_from_user+0x150/0x290
[ 610.389990][ T8270] ? getname_flags+0x1e5/0x540
[ 610.390028][ T8270] __x64_sys_mkdir+0x6c/0x80
[ 610.390065][ T8270] do_syscall_64+0xfa/0x3b0
[ 610.390092][ T8270] ? lockdep_hardirqs_on+0x9c/0x150
[ 610.390116][ T8270] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.390141][ T8270] ? clear_bhb_loop+0x60/0xb0
[ 610.390169][ T8270] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.390191][ T8270] RIP: 0033:0x7f8729e50127
[ 610.390213][ T8270] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 610.390235][ T8270] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 610.390262][ T8270] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 610.390280][ T8270] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 610.390295][ T8270] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 610.390310][ T8270] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 610.390325][ T8270] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 610.390358][ T8270]
[ 611.048217][ T8272] loop0: detected capacity change from 0 to 32768
[ 611.051116][ T8272] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8272)
[ 611.072948][ T8272] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 611.075511][ T8272] FAULT_INJECTION: forcing a failure.
[ 611.075511][ T8272] name failslab, interval 1, probability 0, space 0, times 0
[ 611.075558][ T8272] CPU: 0 UID: 0 PID: 8272 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 611.075595][ T8272] Tainted: [W]=WARN
[ 611.075605][ T8272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 611.075621][ T8272] Call Trace:
[ 611.075640][ T8272]
[ 611.075651][ T8272] dump_stack_lvl+0x189/0x250
[ 611.075695][ T8272] ? __pfx____ratelimit+0x10/0x10
[ 611.075733][ T8272] ? __pfx_dump_stack_lvl+0x10/0x10
[ 611.075769][ T8272] ? __pfx__printk+0x10/0x10
[ 611.075802][ T8272] ? __pfx___might_resched+0x10/0x10
[ 611.075831][ T8272] ? fs_reclaim_acquire+0x7d/0x100
[ 611.075867][ T8272] should_fail_ex+0x46c/0x600
[ 611.075900][ T8272] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 611.075927][ T8272] should_failslab+0xa8/0x100
[ 611.075961][ T8272] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 611.075984][ T8272] kmem_cache_alloc_noprof+0x6e/0x310
[ 611.076023][ T8272] jbd2_journal_add_journal_head+0x95/0x4c0
[ 611.076056][ T8272] jbd2_journal_get_create_access+0x4d/0x460
[ 611.076102][ T8272] __ext4_journal_get_create_access+0xa9/0x410
[ 611.076145][ T8272] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 611.076184][ T8272] ? ext4_map_blocks+0x559/0x1740
[ 611.076220][ T8272] ext4_getblk+0x496/0x760
[ 611.076255][ T8272] ? __pfx_ext4_getblk+0x10/0x10
[ 611.076286][ T8272] ? __brelse+0x59/0xa0
[ 611.076319][ T8272] ext4_bread+0x2a/0x180
[ 611.076348][ T8272] ext4_append+0x2c6/0x560
[ 611.076382][ T8272] ? __pfx_ext4_append+0x10/0x10
[ 611.076415][ T8272] ? set_nlink+0x5f/0x170
[ 611.076452][ T8272] ext4_init_new_dir+0x11f/0x1c0
[ 611.076484][ T8272] ext4_mkdir+0x48c/0xc50
[ 611.076523][ T8272] ? __pfx_ext4_mkdir+0x10/0x10
[ 611.076556][ T8272] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 611.076585][ T8272] vfs_mkdir+0x306/0x510
[ 611.076622][ T8272] do_mkdirat+0x247/0x590
[ 611.076654][ T8272] ? __pfx_do_mkdirat+0x10/0x10
[ 611.076680][ T8272] ? strncpy_from_user+0x150/0x290
[ 611.076720][ T8272] ? getname_flags+0x1e5/0x540
[ 611.076761][ T8272] __x64_sys_mkdir+0x6c/0x80
[ 611.076791][ T8272] do_syscall_64+0xfa/0x3b0
[ 611.076819][ T8272] ? lockdep_hardirqs_on+0x9c/0x150
[ 611.076846][ T8272] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.076871][ T8272] ? clear_bhb_loop+0x60/0xb0
[ 611.076900][ T8272] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.076924][ T8272] RIP: 0033:0x7f8729e50127
[ 611.076946][ T8272] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 611.076968][ T8272] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 611.076995][ T8272] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 611.077013][ T8272] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 611.077028][ T8272] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 611.077044][ T8272] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 611.077059][ T8272] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 611.077095][ T8272]
[ 611.077108][ T8272] ENOMEM in journal_alloc_journal_head, retrying.
[ 611.655543][ T8273] loop0: detected capacity change from 0 to 32768
[ 611.659081][ T8273] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8273)
[ 611.659528][ T8273] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 611.820995][ T8273] FAULT_INJECTION: forcing a failure.
[ 611.820995][ T8273] name failslab, interval 1, probability 0, space 0, times 0
[ 611.821045][ T8273] CPU: 1 UID: 0 PID: 8273 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 611.821081][ T8273] Tainted: [W]=WARN
[ 611.821091][ T8273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 611.821107][ T8273] Call Trace:
[ 611.821117][ T8273]
[ 611.821128][ T8273] dump_stack_lvl+0x189/0x250
[ 611.821173][ T8273] ? __pfx____ratelimit+0x10/0x10
[ 611.821201][ T8273] ? __pfx_dump_stack_lvl+0x10/0x10
[ 611.821236][ T8273] ? __pfx__printk+0x10/0x10
[ 611.821271][ T8273] ? __pfx___might_resched+0x10/0x10
[ 611.821299][ T8273] ? fs_reclaim_acquire+0x7d/0x100
[ 611.821326][ T8273] should_fail_ex+0x46c/0x600
[ 611.821358][ T8273] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 611.821384][ T8273] should_failslab+0xa8/0x100
[ 611.821420][ T8273] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 611.821443][ T8273] kmem_cache_alloc_noprof+0x6e/0x310
[ 611.821480][ T8273] jbd2_journal_add_journal_head+0x95/0x4c0
[ 611.821512][ T8273] jbd2_journal_get_create_access+0x4d/0x460
[ 611.821557][ T8273] __ext4_journal_get_create_access+0xa9/0x410
[ 611.821598][ T8273] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 611.821637][ T8273] ? ext4_map_blocks+0x559/0x1740
[ 611.821680][ T8273] ext4_getblk+0x496/0x760
[ 611.821715][ T8273] ? __pfx_ext4_getblk+0x10/0x10
[ 611.821745][ T8273] ? __brelse+0x59/0xa0
[ 611.821779][ T8273] ext4_bread+0x2a/0x180
[ 611.821814][ T8273] ext4_append+0x2c6/0x560
[ 611.821845][ T8273] ? __pfx_ext4_append+0x10/0x10
[ 611.821878][ T8273] ? set_nlink+0x5f/0x170
[ 611.821914][ T8273] ext4_init_new_dir+0x11f/0x1c0
[ 611.821945][ T8273] ext4_mkdir+0x48c/0xc50
[ 611.821982][ T8273] ? __pfx_ext4_mkdir+0x10/0x10
[ 611.822012][ T8273] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 611.822039][ T8273] vfs_mkdir+0x306/0x510
[ 611.822074][ T8273] do_mkdirat+0x247/0x590
[ 611.822105][ T8273] ? __pfx_do_mkdirat+0x10/0x10
[ 611.822129][ T8273] ? strncpy_from_user+0x150/0x290
[ 611.822158][ T8273] ? getname_flags+0x1e5/0x540
[ 611.822198][ T8273] __x64_sys_mkdir+0x6c/0x80
[ 611.822225][ T8273] do_syscall_64+0xfa/0x3b0
[ 611.822252][ T8273] ? lockdep_hardirqs_on+0x9c/0x150
[ 611.822277][ T8273] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.822302][ T8273] ? clear_bhb_loop+0x60/0xb0
[ 611.822331][ T8273] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.822355][ T8273] RIP: 0033:0x7f8729e50127
[ 611.822377][ T8273] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 611.822400][ T8273] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 611.822427][ T8273] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 611.822445][ T8273] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 611.822460][ T8273] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 611.822475][ T8273] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 611.822489][ T8273] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 611.822524][ T8273]
[ 611.829879][ T8273] ENOMEM in journal_alloc_journal_head, retrying.
[ 612.310399][ T8275] loop0: detected capacity change from 0 to 32768
[ 612.320617][ T8275] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 612.332433][ T8275] FAULT_INJECTION: forcing a failure.
[ 612.332433][ T8275] name failslab, interval 1, probability 0, space 0, times 0
[ 612.332480][ T8275] CPU: 0 UID: 0 PID: 8275 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 612.332517][ T8275] Tainted: [W]=WARN
[ 612.332526][ T8275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 612.332541][ T8275] Call Trace:
[ 612.332552][ T8275]
[ 612.332562][ T8275] dump_stack_lvl+0x189/0x250
[ 612.332618][ T8275] ? __pfx____ratelimit+0x10/0x10
[ 612.332646][ T8275] ? __pfx_dump_stack_lvl+0x10/0x10
[ 612.332682][ T8275] ? __pfx__printk+0x10/0x10
[ 612.332715][ T8275] ? __pfx___might_resched+0x10/0x10
[ 612.332742][ T8275] ? fs_reclaim_acquire+0x7d/0x100
[ 612.332770][ T8275] should_fail_ex+0x46c/0x600
[ 612.332801][ T8275] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 612.332828][ T8275] should_failslab+0xa8/0x100
[ 612.332862][ T8275] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 612.332886][ T8275] kmem_cache_alloc_noprof+0x6e/0x310
[ 612.332925][ T8275] jbd2_journal_add_journal_head+0x95/0x4c0
[ 612.332960][ T8275] jbd2_journal_get_create_access+0x4d/0x460
[ 612.333003][ T8275] __ext4_journal_get_create_access+0xa9/0x410
[ 612.333046][ T8275] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 612.333085][ T8275] ? ext4_map_blocks+0x559/0x1740
[ 612.333122][ T8275] ext4_getblk+0x496/0x760
[ 612.333158][ T8275] ? __pfx_ext4_getblk+0x10/0x10
[ 612.333188][ T8275] ? __brelse+0x59/0xa0
[ 612.333222][ T8275] ext4_bread+0x2a/0x180
[ 612.333251][ T8275] ext4_append+0x2c6/0x560
[ 612.333286][ T8275] ? __pfx_ext4_append+0x10/0x10
[ 612.333320][ T8275] ? set_nlink+0x5f/0x170
[ 612.333356][ T8275] ext4_init_new_dir+0x11f/0x1c0
[ 612.333386][ T8275] ext4_mkdir+0x48c/0xc50
[ 612.333424][ T8275] ? __pfx_ext4_mkdir+0x10/0x10
[ 612.333457][ T8275] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 612.333486][ T8275] vfs_mkdir+0x306/0x510
[ 612.333523][ T8275] do_mkdirat+0x247/0x590
[ 612.333555][ T8275] ? __pfx_do_mkdirat+0x10/0x10
[ 612.333580][ T8275] ? strncpy_from_user+0x150/0x290
[ 612.333617][ T8275] ? getname_flags+0x1e5/0x540
[ 612.333658][ T8275] __x64_sys_mkdir+0x6c/0x80
[ 612.333687][ T8275] do_syscall_64+0xfa/0x3b0
[ 612.333714][ T8275] ? lockdep_hardirqs_on+0x9c/0x150
[ 612.333740][ T8275] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.333765][ T8275] ? clear_bhb_loop+0x60/0xb0
[ 612.333795][ T8275] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.333819][ T8275] RIP: 0033:0x7f8729e50127
[ 612.333842][ T8275] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 612.333864][ T8275] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 612.333890][ T8275] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 612.333908][ T8275] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 612.333924][ T8275] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 612.333940][ T8275] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 612.333955][ T8275] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 612.333991][ T8275]
[ 612.334004][ T8275] ENOMEM in journal_alloc_journal_head, retrying.
[ 612.944045][ T8276] FAULT_INJECTION: forcing a failure.
[ 612.944045][ T8276] name failslab, interval 1, probability 0, space 0, times 0
[ 612.944093][ T8276] CPU: 1 UID: 0 PID: 8276 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 612.944130][ T8276] Tainted: [W]=WARN
[ 612.944139][ T8276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 612.944155][ T8276] Call Trace:
[ 612.944166][ T8276]
[ 612.944178][ T8276] dump_stack_lvl+0x189/0x250
[ 612.944221][ T8276] ? __pfx____ratelimit+0x10/0x10
[ 612.944249][ T8276] ? __pfx_dump_stack_lvl+0x10/0x10
[ 612.944285][ T8276] ? __pfx__printk+0x10/0x10
[ 612.944318][ T8276] ? __pfx___might_resched+0x10/0x10
[ 612.944346][ T8276] ? fs_reclaim_acquire+0x7d/0x100
[ 612.944374][ T8276] should_fail_ex+0x46c/0x600
[ 612.944410][ T8276] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 612.944437][ T8276] should_failslab+0xa8/0x100
[ 612.944472][ T8276] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 612.944496][ T8276] kmem_cache_alloc_noprof+0x6e/0x310
[ 612.944543][ T8276] jbd2_journal_add_journal_head+0x95/0x4c0
[ 612.944589][ T8276] jbd2_journal_get_create_access+0x4d/0x460
[ 612.944635][ T8276] __ext4_journal_get_create_access+0xa9/0x410
[ 612.944677][ T8276] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 612.944716][ T8276] ? ext4_map_blocks+0x559/0x1740
[ 612.944752][ T8276] ext4_getblk+0x496/0x760
[ 612.944787][ T8276] ? __pfx_ext4_getblk+0x10/0x10
[ 612.944817][ T8276] ? __brelse+0x59/0xa0
[ 612.944852][ T8276] ext4_bread+0x2a/0x180
[ 612.944882][ T8276] ext4_append+0x2c6/0x560
[ 612.944917][ T8276] ? __pfx_ext4_append+0x10/0x10
[ 612.944952][ T8276] ? set_nlink+0x5f/0x170
[ 612.944988][ T8276] ext4_init_new_dir+0x11f/0x1c0
[ 612.945020][ T8276] ext4_mkdir+0x48c/0xc50
[ 612.945059][ T8276] ? __pfx_ext4_mkdir+0x10/0x10
[ 612.945091][ T8276] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 612.945121][ T8276] vfs_mkdir+0x306/0x510
[ 612.945159][ T8276] do_mkdirat+0x247/0x590
[ 612.945191][ T8276] ? __pfx_do_mkdirat+0x10/0x10
[ 612.945217][ T8276] ? strncpy_from_user+0x150/0x290
[ 612.945245][ T8276] ? getname_flags+0x1e5/0x540
[ 612.945286][ T8276] __x64_sys_mkdir+0x6c/0x80
[ 612.945315][ T8276] do_syscall_64+0xfa/0x3b0
[ 612.945342][ T8276] ? lockdep_hardirqs_on+0x9c/0x150
[ 612.945367][ T8276] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.945392][ T8276] ? clear_bhb_loop+0x60/0xb0
[ 612.945421][ T8276] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.945445][ T8276] RIP: 0033:0x7f8729e50127
[ 612.945467][ T8276] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 612.945488][ T8276] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 612.945515][ T8276] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 612.945533][ T8276] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 612.945549][ T8276] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 612.945565][ T8276] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 612.945588][ T8276] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 612.945623][ T8276]
[ 612.946745][ T8276] ENOMEM in journal_alloc_journal_head, retrying.
[ 613.446942][ T8278] loop0: detected capacity change from 0 to 32768
[ 613.449684][ T8278] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8278)
[ 613.450158][ T8278] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 613.457794][ T8278] FAULT_INJECTION: forcing a failure.
[ 613.457794][ T8278] name failslab, interval 1, probability 0, space 0, times 0
[ 613.457848][ T8278] CPU: 1 UID: 0 PID: 8278 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 613.457890][ T8278] Tainted: [W]=WARN
[ 613.457900][ T8278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 613.457918][ T8278] Call Trace:
[ 613.457931][ T8278]
[ 613.457943][ T8278] dump_stack_lvl+0x189/0x250
[ 613.457994][ T8278] ? __pfx____ratelimit+0x10/0x10
[ 613.458024][ T8278] ? __pfx_dump_stack_lvl+0x10/0x10
[ 613.458065][ T8278] ? __pfx__printk+0x10/0x10
[ 613.458102][ T8278] ? __pfx___might_resched+0x10/0x10
[ 613.458132][ T8278] ? fs_reclaim_acquire+0x7d/0x100
[ 613.458164][ T8278] should_fail_ex+0x46c/0x600
[ 613.458198][ T8278] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 613.458229][ T8278] should_failslab+0xa8/0x100
[ 613.458269][ T8278] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 613.458296][ T8278] kmem_cache_alloc_noprof+0x6e/0x310
[ 613.458337][ T8278] jbd2_journal_add_journal_head+0x95/0x4c0
[ 613.458372][ T8278] jbd2_journal_get_create_access+0x4d/0x460
[ 613.458422][ T8278] __ext4_journal_get_create_access+0xa9/0x410
[ 613.458469][ T8278] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 613.458511][ T8278] ? ext4_map_blocks+0x559/0x1740
[ 613.458551][ T8278] ext4_getblk+0x496/0x760
[ 613.458590][ T8278] ? __pfx_ext4_getblk+0x10/0x10
[ 613.458624][ T8278] ? __brelse+0x59/0xa0
[ 613.458661][ T8278] ext4_bread+0x2a/0x180
[ 613.458695][ T8278] ext4_append+0x2c6/0x560
[ 613.458734][ T8278] ? __pfx_ext4_append+0x10/0x10
[ 613.458769][ T8278] ? set_nlink+0x5f/0x170
[ 613.458811][ T8278] ext4_init_new_dir+0x11f/0x1c0
[ 613.458852][ T8278] ext4_mkdir+0x48c/0xc50
[ 613.458893][ T8278] ? __pfx_ext4_mkdir+0x10/0x10
[ 613.458929][ T8278] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 613.458962][ T8278] vfs_mkdir+0x306/0x510
[ 613.459000][ T8278] do_mkdirat+0x247/0x590
[ 613.459036][ T8278] ? __pfx_do_mkdirat+0x10/0x10
[ 613.459064][ T8278] ? strncpy_from_user+0x150/0x290
[ 613.459095][ T8278] ? getname_flags+0x1e5/0x540
[ 613.459141][ T8278] __x64_sys_mkdir+0x6c/0x80
[ 613.459172][ T8278] do_syscall_64+0xfa/0x3b0
[ 613.459202][ T8278] ? lockdep_hardirqs_on+0x9c/0x150
[ 613.459230][ T8278] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.459257][ T8278] ? clear_bhb_loop+0x60/0xb0
[ 613.459288][ T8278] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.459315][ T8278] RIP: 0033:0x7f8729e50127
[ 613.459341][ T8278] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 613.459364][ T8278] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 613.459393][ T8278] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 613.459413][ T8278] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 613.459431][ T8278] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 613.459449][ T8278] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 613.459464][ T8278] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 613.459501][ T8278]
[ 613.459660][ T8278] ENOMEM in journal_alloc_journal_head, retrying.
[ 614.151069][ T8279] FAULT_INJECTION: forcing a failure.
[ 614.151069][ T8279] name failslab, interval 1, probability 0, space 0, times 0
[ 614.151148][ T8279] CPU: 0 UID: 0 PID: 8279 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 614.151191][ T8279] Tainted: [W]=WARN
[ 614.151200][ T8279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 614.151216][ T8279] Call Trace:
[ 614.151226][ T8279]
[ 614.151237][ T8279] dump_stack_lvl+0x189/0x250
[ 614.151282][ T8279] ? __pfx____ratelimit+0x10/0x10
[ 614.151310][ T8279] ? __pfx_dump_stack_lvl+0x10/0x10
[ 614.151346][ T8279] ? __pfx__printk+0x10/0x10
[ 614.151380][ T8279] ? __pfx___might_resched+0x10/0x10
[ 614.151408][ T8279] ? fs_reclaim_acquire+0x7d/0x100
[ 614.151438][ T8279] should_fail_ex+0x46c/0x600
[ 614.151468][ T8279] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 614.151495][ T8279] should_failslab+0xa8/0x100
[ 614.151537][ T8279] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 614.151561][ T8279] kmem_cache_alloc_noprof+0x6e/0x310
[ 614.151602][ T8279] jbd2_journal_add_journal_head+0x95/0x4c0
[ 614.151636][ T8279] jbd2_journal_get_create_access+0x4d/0x460
[ 614.151682][ T8279] __ext4_journal_get_create_access+0xa9/0x410
[ 614.151735][ T8279] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 614.151774][ T8279] ? ext4_map_blocks+0x559/0x1740
[ 614.151814][ T8279] ext4_getblk+0x496/0x760
[ 614.151846][ T8279] ? __pfx_ext4_getblk+0x10/0x10
[ 614.151875][ T8279] ? __brelse+0x59/0xa0
[ 614.151907][ T8279] ext4_bread+0x2a/0x180
[ 614.151936][ T8279] ext4_append+0x2c6/0x560
[ 614.151969][ T8279] ? __pfx_ext4_append+0x10/0x10
[ 614.152004][ T8279] ? set_nlink+0x5f/0x170
[ 614.152039][ T8279] ext4_init_new_dir+0x11f/0x1c0
[ 614.152070][ T8279] ext4_mkdir+0x48c/0xc50
[ 614.152108][ T8279] ? __pfx_ext4_mkdir+0x10/0x10
[ 614.152141][ T8279] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 614.152170][ T8279] vfs_mkdir+0x306/0x510
[ 614.152207][ T8279] do_mkdirat+0x247/0x590
[ 614.152238][ T8279] ? __pfx_do_mkdirat+0x10/0x10
[ 614.152264][ T8279] ? strncpy_from_user+0x150/0x290
[ 614.152292][ T8279] ? getname_flags+0x1e5/0x540
[ 614.152334][ T8279] __x64_sys_mkdir+0x6c/0x80
[ 614.152364][ T8279] do_syscall_64+0xfa/0x3b0
[ 614.152391][ T8279] ? lockdep_hardirqs_on+0x9c/0x150
[ 614.152415][ T8279] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.152441][ T8279] ? clear_bhb_loop+0x60/0xb0
[ 614.152471][ T8279] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.152494][ T8279] RIP: 0033:0x7f8729e50127
[ 614.152516][ T8279] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 614.152536][ T8279] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 614.152563][ T8279] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 614.152580][ T8279] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 614.152597][ T8279] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 614.152612][ T8279] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 614.152628][ T8279] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 614.152664][ T8279]
[ 614.244638][ T8279] ENOMEM in journal_alloc_journal_head, retrying.
[ 614.632847][ T8281] loop0: detected capacity change from 0 to 32768
[ 614.635570][ T8281] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8281)
[ 614.636002][ T8281] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 614.638275][ T8281] FAULT_INJECTION: forcing a failure.
[ 614.638275][ T8281] name failslab, interval 1, probability 0, space 0, times 0
[ 614.638317][ T8281] CPU: 0 UID: 0 PID: 8281 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 614.638352][ T8281] Tainted: [W]=WARN
[ 614.638362][ T8281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 614.638378][ T8281] Call Trace:
[ 614.638387][ T8281]
[ 614.638399][ T8281] dump_stack_lvl+0x189/0x250
[ 614.638443][ T8281] ? __pfx____ratelimit+0x10/0x10
[ 614.638471][ T8281] ? __pfx_dump_stack_lvl+0x10/0x10
[ 614.638506][ T8281] ? __pfx__printk+0x10/0x10
[ 614.638542][ T8281] ? __pfx___might_resched+0x10/0x10
[ 614.638570][ T8281] ? fs_reclaim_acquire+0x7d/0x100
[ 614.638598][ T8281] should_fail_ex+0x46c/0x600
[ 614.638630][ T8281] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 614.638657][ T8281] should_failslab+0xa8/0x100
[ 614.638694][ T8281] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 614.638718][ T8281] kmem_cache_alloc_noprof+0x6e/0x310
[ 614.638768][ T8281] jbd2_journal_add_journal_head+0x95/0x4c0
[ 614.638802][ T8281] jbd2_journal_get_create_access+0x4d/0x460
[ 614.638848][ T8281] __ext4_journal_get_create_access+0xa9/0x410
[ 614.638892][ T8281] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 614.638929][ T8281] ? ext4_map_blocks+0x559/0x1740
[ 614.638965][ T8281] ext4_getblk+0x496/0x760
[ 614.639001][ T8281] ? __pfx_ext4_getblk+0x10/0x10
[ 614.639031][ T8281] ? __brelse+0x59/0xa0
[ 614.639065][ T8281] ext4_bread+0x2a/0x180
[ 614.639095][ T8281] ext4_append+0x2c6/0x560
[ 614.639128][ T8281] ? __pfx_ext4_append+0x10/0x10
[ 614.639160][ T8281] ? set_nlink+0x5f/0x170
[ 614.639196][ T8281] ext4_init_new_dir+0x11f/0x1c0
[ 614.639228][ T8281] ext4_mkdir+0x48c/0xc50
[ 614.639265][ T8281] ? __pfx_ext4_mkdir+0x10/0x10
[ 614.639298][ T8281] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 614.639326][ T8281] vfs_mkdir+0x306/0x510
[ 614.639363][ T8281] do_mkdirat+0x247/0x590
[ 614.639393][ T8281] ? __pfx_do_mkdirat+0x10/0x10
[ 614.639419][ T8281] ? strncpy_from_user+0x150/0x290
[ 614.639448][ T8281] ? getname_flags+0x1e5/0x540
[ 614.639489][ T8281] __x64_sys_mkdir+0x6c/0x80
[ 614.639518][ T8281] do_syscall_64+0xfa/0x3b0
[ 614.639545][ T8281] ? lockdep_hardirqs_on+0x9c/0x150
[ 614.639570][ T8281] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.639596][ T8281] ? clear_bhb_loop+0x60/0xb0
[ 614.639625][ T8281] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.639647][ T8281] RIP: 0033:0x7f8729e50127
[ 614.639668][ T8281] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 614.639689][ T8281] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 614.639716][ T8281] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 614.639734][ T8281] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 614.639750][ T8281] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 614.639773][ T8281] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 614.639788][ T8281] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 614.639825][ T8281]
[ 614.639837][ T8281] ENOMEM in journal_alloc_journal_head, retrying.
[ 615.216608][ T8282] loop0: detected capacity change from 0 to 32768
[ 615.219914][ T8282] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8282)
[ 615.220351][ T8282] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 615.400465][ T8282] FAULT_INJECTION: forcing a failure.
[ 615.400465][ T8282] name failslab, interval 1, probability 0, space 0, times 0
[ 615.400510][ T8282] CPU: 1 UID: 0 PID: 8282 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 615.400545][ T8282] Tainted: [W]=WARN
[ 615.400554][ T8282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 615.400570][ T8282] Call Trace:
[ 615.400580][ T8282]
[ 615.400591][ T8282] dump_stack_lvl+0x189/0x250
[ 615.400632][ T8282] ? __pfx____ratelimit+0x10/0x10
[ 615.400658][ T8282] ? __pfx_dump_stack_lvl+0x10/0x10
[ 615.400695][ T8282] ? __pfx__printk+0x10/0x10
[ 615.400727][ T8282] ? __pfx___might_resched+0x10/0x10
[ 615.400754][ T8282] ? fs_reclaim_acquire+0x7d/0x100
[ 615.400781][ T8282] should_fail_ex+0x46c/0x600
[ 615.400811][ T8282] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 615.400836][ T8282] should_failslab+0xa8/0x100
[ 615.400870][ T8282] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 615.400894][ T8282] kmem_cache_alloc_noprof+0x6e/0x310
[ 615.400937][ T8282] jbd2_journal_add_journal_head+0x95/0x4c0
[ 615.400969][ T8282] jbd2_journal_get_create_access+0x4d/0x460
[ 615.401012][ T8282] __ext4_journal_get_create_access+0xa9/0x410
[ 615.401054][ T8282] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 615.401098][ T8282] ? ext4_map_blocks+0x559/0x1740
[ 615.401133][ T8282] ext4_getblk+0x496/0x760
[ 615.401167][ T8282] ? __pfx_ext4_getblk+0x10/0x10
[ 615.401194][ T8282] ? __brelse+0x59/0xa0
[ 615.401226][ T8282] ext4_bread+0x2a/0x180
[ 615.401254][ T8282] ext4_append+0x2c6/0x560
[ 615.401295][ T8282] ? __pfx_ext4_append+0x10/0x10
[ 615.401328][ T8282] ? set_nlink+0x5f/0x170
[ 615.401362][ T8282] ext4_init_new_dir+0x11f/0x1c0
[ 615.401391][ T8282] ext4_mkdir+0x48c/0xc50
[ 615.401435][ T8282] ? __pfx_ext4_mkdir+0x10/0x10
[ 615.401467][ T8282] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 615.401494][ T8282] vfs_mkdir+0x306/0x510
[ 615.401527][ T8282] do_mkdirat+0x247/0x590
[ 615.401557][ T8282] ? __pfx_do_mkdirat+0x10/0x10
[ 615.401581][ T8282] ? strncpy_from_user+0x150/0x290
[ 615.401609][ T8282] ? getname_flags+0x1e5/0x540
[ 615.401650][ T8282] __x64_sys_mkdir+0x6c/0x80
[ 615.401679][ T8282] do_syscall_64+0xfa/0x3b0
[ 615.401705][ T8282] ? lockdep_hardirqs_on+0x9c/0x150
[ 615.401730][ T8282] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.401754][ T8282] ? clear_bhb_loop+0x60/0xb0
[ 615.401783][ T8282] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.401806][ T8282] RIP: 0033:0x7f8729e50127
[ 615.401826][ T8282] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 615.401845][ T8282] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 615.401870][ T8282] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 615.401887][ T8282] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 615.401902][ T8282] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 615.401917][ T8282] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 615.401932][ T8282] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 615.401965][ T8282]
[ 615.405829][ T8282] ENOMEM in journal_alloc_journal_head, retrying.
[ 615.838676][ T8284] loop0: detected capacity change from 0 to 32768
[ 615.843446][ T8284] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 615.846950][ T8284] FAULT_INJECTION: forcing a failure.
[ 615.846950][ T8284] name failslab, interval 1, probability 0, space 0, times 0
[ 615.846999][ T8284] CPU: 1 UID: 0 PID: 8284 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 615.847037][ T8284] Tainted: [W]=WARN
[ 615.847047][ T8284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 615.847065][ T8284] Call Trace:
[ 615.847075][ T8284]
[ 615.847086][ T8284] dump_stack_lvl+0x189/0x250
[ 615.847131][ T8284] ? __pfx____ratelimit+0x10/0x10
[ 615.847160][ T8284] ? __pfx_dump_stack_lvl+0x10/0x10
[ 615.847202][ T8284] ? __pfx__printk+0x10/0x10
[ 615.847238][ T8284] ? __pfx___might_resched+0x10/0x10
[ 615.847289][ T8284] ? fs_reclaim_acquire+0x7d/0x100
[ 615.847321][ T8284] should_fail_ex+0x46c/0x600
[ 615.847357][ T8284] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 615.847386][ T8284] should_failslab+0xa8/0x100
[ 615.847424][ T8284] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 615.847448][ T8284] kmem_cache_alloc_noprof+0x6e/0x310
[ 615.847498][ T8284] jbd2_journal_add_journal_head+0x95/0x4c0
[ 615.847535][ T8284] jbd2_journal_get_create_access+0x4d/0x460
[ 615.847585][ T8284] __ext4_journal_get_create_access+0xa9/0x410
[ 615.847631][ T8284] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 615.847674][ T8284] ? ext4_map_blocks+0x559/0x1740
[ 615.847725][ T8284] ext4_getblk+0x496/0x760
[ 615.847763][ T8284] ? __pfx_ext4_getblk+0x10/0x10
[ 615.847797][ T8284] ? __brelse+0x59/0xa0
[ 615.847834][ T8284] ext4_bread+0x2a/0x180
[ 615.847866][ T8284] ext4_append+0x2c6/0x560
[ 615.847900][ T8284] ? __pfx_ext4_append+0x10/0x10
[ 615.847938][ T8284] ? set_nlink+0x5f/0x170
[ 615.847998][ T8284] ext4_init_new_dir+0x11f/0x1c0
[ 615.848033][ T8284] ext4_mkdir+0x48c/0xc50
[ 615.848074][ T8284] ? __pfx_ext4_mkdir+0x10/0x10
[ 615.848110][ T8284] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 615.848140][ T8284] vfs_mkdir+0x306/0x510
[ 615.848182][ T8284] do_mkdirat+0x247/0x590
[ 615.848216][ T8284] ? __pfx_do_mkdirat+0x10/0x10
[ 615.848246][ T8284] ? strncpy_from_user+0x150/0x290
[ 615.848276][ T8284] ? getname_flags+0x1e5/0x540
[ 615.848322][ T8284] __x64_sys_mkdir+0x6c/0x80
[ 615.848353][ T8284] do_syscall_64+0xfa/0x3b0
[ 615.848383][ T8284] ? lockdep_hardirqs_on+0x9c/0x150
[ 615.848411][ T8284] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.848437][ T8284] ? clear_bhb_loop+0x60/0xb0
[ 615.848467][ T8284] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.848493][ T8284] RIP: 0033:0x7f8729e50127
[ 615.848516][ T8284] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 615.848540][ T8284] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 615.848569][ T8284] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 615.848588][ T8284] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 615.848607][ T8284] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 615.848625][ T8284] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 615.848645][ T8284] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 615.848683][ T8284]
[ 615.848836][ T8284] ENOMEM in journal_alloc_journal_head, retrying.
[ 616.549406][ T8285] FAULT_INJECTION: forcing a failure.
[ 616.549406][ T8285] name failslab, interval 1, probability 0, space 0, times 0
[ 616.549450][ T8285] CPU: 0 UID: 0 PID: 8285 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 616.549485][ T8285] Tainted: [W]=WARN
[ 616.549494][ T8285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 616.549510][ T8285] Call Trace:
[ 616.549519][ T8285]
[ 616.549531][ T8285] dump_stack_lvl+0x189/0x250
[ 616.549573][ T8285] ? __pfx____ratelimit+0x10/0x10
[ 616.549600][ T8285] ? __pfx_dump_stack_lvl+0x10/0x10
[ 616.549636][ T8285] ? __pfx__printk+0x10/0x10
[ 616.549670][ T8285] ? __pfx___might_resched+0x10/0x10
[ 616.549698][ T8285] ? fs_reclaim_acquire+0x7d/0x100
[ 616.549726][ T8285] should_fail_ex+0x46c/0x600
[ 616.549757][ T8285] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 616.549783][ T8285] should_failslab+0xa8/0x100
[ 616.549818][ T8285] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 616.549842][ T8285] kmem_cache_alloc_noprof+0x6e/0x310
[ 616.549882][ T8285] jbd2_journal_add_journal_head+0x95/0x4c0
[ 616.549916][ T8285] jbd2_journal_get_create_access+0x4d/0x460
[ 616.549961][ T8285] __ext4_journal_get_create_access+0xa9/0x410
[ 616.550003][ T8285] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 616.550042][ T8285] ? ext4_map_blocks+0x559/0x1740
[ 616.550078][ T8285] ext4_getblk+0x496/0x760
[ 616.550113][ T8285] ? __pfx_ext4_getblk+0x10/0x10
[ 616.550144][ T8285] ? __brelse+0x59/0xa0
[ 616.550179][ T8285] ext4_bread+0x2a/0x180
[ 616.550209][ T8285] ext4_append+0x2c6/0x560
[ 616.550243][ T8285] ? __pfx_ext4_append+0x10/0x10
[ 616.550277][ T8285] ? set_nlink+0x5f/0x170
[ 616.550313][ T8285] ext4_init_new_dir+0x11f/0x1c0
[ 616.550353][ T8285] ext4_mkdir+0x48c/0xc50
[ 616.550391][ T8285] ? __pfx_ext4_mkdir+0x10/0x10
[ 616.550425][ T8285] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 616.550452][ T8285] vfs_mkdir+0x306/0x510
[ 616.550488][ T8285] do_mkdirat+0x247/0x590
[ 616.550519][ T8285] ? __pfx_do_mkdirat+0x10/0x10
[ 616.550545][ T8285] ? strncpy_from_user+0x150/0x290
[ 616.550574][ T8285] ? getname_flags+0x1e5/0x540
[ 616.550616][ T8285] __x64_sys_mkdir+0x6c/0x80
[ 616.550645][ T8285] do_syscall_64+0xfa/0x3b0
[ 616.550672][ T8285] ? lockdep_hardirqs_on+0x9c/0x150
[ 616.550697][ T8285] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.550721][ T8285] ? clear_bhb_loop+0x60/0xb0
[ 616.550751][ T8285] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.550775][ T8285] RIP: 0033:0x7f8729e50127
[ 616.550797][ T8285] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 616.550818][ T8285] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 616.550843][ T8285] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 616.550860][ T8285] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 616.550875][ T8285] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 616.550890][ T8285] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 616.550905][ T8285] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 616.550940][ T8285]
[ 616.550952][ T8285] ENOMEM in journal_alloc_journal_head, retrying.
[ 617.018874][ T8287] loop0: detected capacity change from 0 to 32768
[ 617.021689][ T8287] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8287)
[ 617.022811][ T8287] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 617.053599][ T8287] FAULT_INJECTION: forcing a failure.
[ 617.053599][ T8287] name failslab, interval 1, probability 0, space 0, times 0
[ 617.053649][ T8287] CPU: 1 UID: 0 PID: 8287 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 617.053693][ T8287] Tainted: [W]=WARN
[ 617.053702][ T8287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 617.053717][ T8287] Call Trace:
[ 617.053726][ T8287]
[ 617.053737][ T8287] dump_stack_lvl+0x189/0x250
[ 617.053780][ T8287] ? __pfx____ratelimit+0x10/0x10
[ 617.053807][ T8287] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.053843][ T8287] ? __pfx__printk+0x10/0x10
[ 617.053877][ T8287] ? __pfx___might_resched+0x10/0x10
[ 617.053904][ T8287] ? fs_reclaim_acquire+0x7d/0x100
[ 617.053932][ T8287] should_fail_ex+0x46c/0x600
[ 617.053962][ T8287] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 617.053988][ T8287] should_failslab+0xa8/0x100
[ 617.054023][ T8287] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 617.054048][ T8287] kmem_cache_alloc_noprof+0x6e/0x310
[ 617.054088][ T8287] jbd2_journal_add_journal_head+0x95/0x4c0
[ 617.054122][ T8287] jbd2_journal_get_create_access+0x4d/0x460
[ 617.054167][ T8287] __ext4_journal_get_create_access+0xa9/0x410
[ 617.054211][ T8287] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 617.054251][ T8287] ? ext4_map_blocks+0x559/0x1740
[ 617.054284][ T8287] ext4_getblk+0x496/0x760
[ 617.054320][ T8287] ? __pfx_ext4_getblk+0x10/0x10
[ 617.054350][ T8287] ? __brelse+0x59/0xa0
[ 617.054385][ T8287] ext4_bread+0x2a/0x180
[ 617.054415][ T8287] ext4_append+0x2c6/0x560
[ 617.054447][ T8287] ? __pfx_ext4_append+0x10/0x10
[ 617.054488][ T8287] ? set_nlink+0x5f/0x170
[ 617.054523][ T8287] ext4_init_new_dir+0x11f/0x1c0
[ 617.054554][ T8287] ext4_mkdir+0x48c/0xc50
[ 617.054592][ T8287] ? __pfx_ext4_mkdir+0x10/0x10
[ 617.054626][ T8287] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 617.054654][ T8287] vfs_mkdir+0x306/0x510
[ 617.054691][ T8287] do_mkdirat+0x247/0x590
[ 617.054722][ T8287] ? __pfx_do_mkdirat+0x10/0x10
[ 617.054749][ T8287] ? strncpy_from_user+0x150/0x290
[ 617.054776][ T8287] ? getname_flags+0x1e5/0x540
[ 617.054818][ T8287] __x64_sys_mkdir+0x6c/0x80
[ 617.054847][ T8287] do_syscall_64+0xfa/0x3b0
[ 617.054873][ T8287] ? lockdep_hardirqs_on+0x9c/0x150
[ 617.054898][ T8287] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.054922][ T8287] ? clear_bhb_loop+0x60/0xb0
[ 617.054952][ T8287] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.054976][ T8287] RIP: 0033:0x7f8729e50127
[ 617.054998][ T8287] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 617.055020][ T8287] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 617.055045][ T8287] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 617.055062][ T8287] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 617.055078][ T8287] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 617.055093][ T8287] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 617.055109][ T8287] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 617.055145][ T8287]
[ 617.055158][ T8287] ENOMEM in journal_alloc_journal_head, retrying.
[ 617.657379][ T8288] loop0: detected capacity change from 0 to 32768
[ 617.670163][ T8288] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8288)
[ 617.670615][ T8288] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 617.846833][ T8288] FAULT_INJECTION: forcing a failure.
[ 617.846833][ T8288] name failslab, interval 1, probability 0, space 0, times 0
[ 617.846870][ T8288] CPU: 1 UID: 0 PID: 8288 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 617.846896][ T8288] Tainted: [W]=WARN
[ 617.846901][ T8288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 617.846913][ T8288] Call Trace:
[ 617.846920][ T8288]
[ 617.846929][ T8288] dump_stack_lvl+0x189/0x250
[ 617.846960][ T8288] ? __pfx____ratelimit+0x10/0x10
[ 617.846981][ T8288] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.847006][ T8288] ? __pfx__printk+0x10/0x10
[ 617.847030][ T8288] ? __pfx___might_resched+0x10/0x10
[ 617.847050][ T8288] ? fs_reclaim_acquire+0x7d/0x100
[ 617.847070][ T8288] should_fail_ex+0x46c/0x600
[ 617.847106][ T8288] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 617.847125][ T8288] should_failslab+0xa8/0x100
[ 617.847156][ T8288] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 617.847173][ T8288] kmem_cache_alloc_noprof+0x6e/0x310
[ 617.847201][ T8288] jbd2_journal_add_journal_head+0x95/0x4c0
[ 617.847224][ T8288] jbd2_journal_get_create_access+0x4d/0x460
[ 617.847257][ T8288] __ext4_journal_get_create_access+0xa9/0x410
[ 617.847287][ T8288] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 617.847314][ T8288] ? ext4_map_blocks+0x559/0x1740
[ 617.847339][ T8288] ext4_getblk+0x496/0x760
[ 617.847364][ T8288] ? __pfx_ext4_getblk+0x10/0x10
[ 617.847384][ T8288] ? __brelse+0x59/0xa0
[ 617.847410][ T8288] ext4_bread+0x2a/0x180
[ 617.847430][ T8288] ext4_append+0x2c6/0x560
[ 617.847453][ T8288] ? __pfx_ext4_append+0x10/0x10
[ 617.847476][ T8288] ? set_nlink+0x5f/0x170
[ 617.847501][ T8288] ext4_init_new_dir+0x11f/0x1c0
[ 617.847523][ T8288] ext4_mkdir+0x48c/0xc50
[ 617.847548][ T8288] ? __pfx_ext4_mkdir+0x10/0x10
[ 617.847571][ T8288] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 617.847590][ T8288] vfs_mkdir+0x306/0x510
[ 617.847615][ T8288] do_mkdirat+0x247/0x590
[ 617.847637][ T8288] ? __pfx_do_mkdirat+0x10/0x10
[ 617.847654][ T8288] ? strncpy_from_user+0x150/0x290
[ 617.847673][ T8288] ? getname_flags+0x1e5/0x540
[ 617.847701][ T8288] __x64_sys_mkdir+0x6c/0x80
[ 617.847722][ T8288] do_syscall_64+0xfa/0x3b0
[ 617.847740][ T8288] ? lockdep_hardirqs_on+0x9c/0x150
[ 617.847758][ T8288] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.847775][ T8288] ? clear_bhb_loop+0x60/0xb0
[ 617.847795][ T8288] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.847812][ T8288] RIP: 0033:0x7f8729e50127
[ 617.847827][ T8288] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 617.847842][ T8288] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 617.847862][ T8288] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 617.847879][ T8288] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 617.847896][ T8288] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 617.847911][ T8288] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 617.847927][ T8288] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 617.847964][ T8288]
[ 617.847976][ T8288] ENOMEM in journal_alloc_journal_head, retrying.
[ 618.269277][ T8290] loop0: detected capacity change from 0 to 32768
[ 618.280294][ T8290] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 618.295024][ T8290] FAULT_INJECTION: forcing a failure.
[ 618.295024][ T8290] name failslab, interval 1, probability 0, space 0, times 0
[ 618.295075][ T8290] CPU: 0 UID: 0 PID: 8290 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 618.295111][ T8290] Tainted: [W]=WARN
[ 618.295120][ T8290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 618.295136][ T8290] Call Trace:
[ 618.295146][ T8290]
[ 618.295158][ T8290] dump_stack_lvl+0x189/0x250
[ 618.295203][ T8290] ? __pfx____ratelimit+0x10/0x10
[ 618.295231][ T8290] ? __pfx_dump_stack_lvl+0x10/0x10
[ 618.295268][ T8290] ? __pfx__printk+0x10/0x10
[ 618.295313][ T8290] ? __pfx___might_resched+0x10/0x10
[ 618.295341][ T8290] ? fs_reclaim_acquire+0x7d/0x100
[ 618.295381][ T8290] should_fail_ex+0x46c/0x600
[ 618.295413][ T8290] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 618.295439][ T8290] should_failslab+0xa8/0x100
[ 618.295474][ T8290] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 618.295498][ T8290] kmem_cache_alloc_noprof+0x6e/0x310
[ 618.295538][ T8290] jbd2_journal_add_journal_head+0x95/0x4c0
[ 618.295572][ T8290] jbd2_journal_get_create_access+0x4d/0x460
[ 618.295618][ T8290] __ext4_journal_get_create_access+0xa9/0x410
[ 618.295660][ T8290] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 618.295699][ T8290] ? ext4_map_blocks+0x559/0x1740
[ 618.295736][ T8290] ext4_getblk+0x496/0x760
[ 618.295771][ T8290] ? __pfx_ext4_getblk+0x10/0x10
[ 618.295801][ T8290] ? __brelse+0x59/0xa0
[ 618.295835][ T8290] ext4_bread+0x2a/0x180
[ 618.295870][ T8290] ext4_append+0x2c6/0x560
[ 618.295904][ T8290] ? __pfx_ext4_append+0x10/0x10
[ 618.295937][ T8290] ? set_nlink+0x5f/0x170
[ 618.295973][ T8290] ext4_init_new_dir+0x11f/0x1c0
[ 618.296006][ T8290] ext4_mkdir+0x48c/0xc50
[ 618.296044][ T8290] ? __pfx_ext4_mkdir+0x10/0x10
[ 618.296077][ T8290] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 618.296104][ T8290] vfs_mkdir+0x306/0x510
[ 618.296141][ T8290] do_mkdirat+0x247/0x590
[ 618.296172][ T8290] ? __pfx_do_mkdirat+0x10/0x10
[ 618.296197][ T8290] ? strncpy_from_user+0x150/0x290
[ 618.296227][ T8290] ? getname_flags+0x1e5/0x540
[ 618.296268][ T8290] __x64_sys_mkdir+0x6c/0x80
[ 618.296305][ T8290] do_syscall_64+0xfa/0x3b0
[ 618.296334][ T8290] ? lockdep_hardirqs_on+0x9c/0x150
[ 618.296358][ T8290] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.296383][ T8290] ? clear_bhb_loop+0x60/0xb0
[ 618.296413][ T8290] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.296436][ T8290] RIP: 0033:0x7f8729e50127
[ 618.296460][ T8290] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 618.296481][ T8290] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 618.296508][ T8290] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 618.296525][ T8290] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 618.296540][ T8290] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 618.296555][ T8290] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 618.296571][ T8290] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 618.296606][ T8290]
[ 618.296764][ T8290] ENOMEM in journal_alloc_journal_head, retrying.
[ 618.879177][ T8292] loop0: detected capacity change from 0 to 32768
[ 618.890171][ T8292] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8292)
[ 618.890819][ T8292] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 619.082815][ T8292] FAULT_INJECTION: forcing a failure.
[ 619.082815][ T8292] name failslab, interval 1, probability 0, space 0, times 0
[ 619.082863][ T8292] CPU: 0 UID: 0 PID: 8292 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 619.082896][ T8292] Tainted: [W]=WARN
[ 619.082901][ T8292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 619.082913][ T8292] Call Trace:
[ 619.082920][ T8292]
[ 619.082928][ T8292] dump_stack_lvl+0x189/0x250
[ 619.082960][ T8292] ? __pfx____ratelimit+0x10/0x10
[ 619.082980][ T8292] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.083005][ T8292] ? __pfx__printk+0x10/0x10
[ 619.083037][ T8292] ? __pfx___might_resched+0x10/0x10
[ 619.083056][ T8292] ? fs_reclaim_acquire+0x7d/0x100
[ 619.083076][ T8292] should_fail_ex+0x46c/0x600
[ 619.083098][ T8292] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 619.083117][ T8292] should_failslab+0xa8/0x100
[ 619.083142][ T8292] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 619.083159][ T8292] kmem_cache_alloc_noprof+0x6e/0x310
[ 619.083187][ T8292] jbd2_journal_add_journal_head+0x95/0x4c0
[ 619.083210][ T8292] jbd2_journal_get_create_access+0x4d/0x460
[ 619.083242][ T8292] __ext4_journal_get_create_access+0xa9/0x410
[ 619.083273][ T8292] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 619.083302][ T8292] ? ext4_map_blocks+0x559/0x1740
[ 619.083326][ T8292] ext4_getblk+0x496/0x760
[ 619.083351][ T8292] ? __pfx_ext4_getblk+0x10/0x10
[ 619.083372][ T8292] ? __brelse+0x59/0xa0
[ 619.083395][ T8292] ext4_bread+0x2a/0x180
[ 619.083416][ T8292] ext4_append+0x2c6/0x560
[ 619.083439][ T8292] ? __pfx_ext4_append+0x10/0x10
[ 619.083462][ T8292] ? set_nlink+0x5f/0x170
[ 619.083487][ T8292] ext4_init_new_dir+0x11f/0x1c0
[ 619.083508][ T8292] ext4_mkdir+0x48c/0xc50
[ 619.083534][ T8292] ? __pfx_ext4_mkdir+0x10/0x10
[ 619.083556][ T8292] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 619.083575][ T8292] vfs_mkdir+0x306/0x510
[ 619.083600][ T8292] do_mkdirat+0x247/0x590
[ 619.083621][ T8292] ? __pfx_do_mkdirat+0x10/0x10
[ 619.083639][ T8292] ? strncpy_from_user+0x150/0x290
[ 619.083658][ T8292] ? getname_flags+0x1e5/0x540
[ 619.083686][ T8292] __x64_sys_mkdir+0x6c/0x80
[ 619.083706][ T8292] do_syscall_64+0xfa/0x3b0
[ 619.083726][ T8292] ? lockdep_hardirqs_on+0x9c/0x150
[ 619.083743][ T8292] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.083760][ T8292] ? clear_bhb_loop+0x60/0xb0
[ 619.083780][ T8292] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.083797][ T8292] RIP: 0033:0x7f8729e50127
[ 619.083813][ T8292] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 619.083828][ T8292] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 619.083846][ T8292] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 619.083859][ T8292] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 619.083869][ T8292] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 619.083880][ T8292] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 619.083891][ T8292] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 619.083928][ T8292]
[ 619.083940][ T8292] ENOMEM in journal_alloc_journal_head, retrying.
[ 619.503181][ T8293] loop0: detected capacity change from 0 to 32768
[ 619.507089][ T8293] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 619.523279][ T8293] FAULT_INJECTION: forcing a failure.
[ 619.523279][ T8293] name failslab, interval 1, probability 0, space 0, times 0
[ 619.523339][ T8293] CPU: 1 UID: 0 PID: 8293 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 619.523380][ T8293] Tainted: [W]=WARN
[ 619.523390][ T8293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 619.523409][ T8293] Call Trace:
[ 619.523420][ T8293]
[ 619.523433][ T8293] dump_stack_lvl+0x189/0x250
[ 619.523485][ T8293] ? __pfx____ratelimit+0x10/0x10
[ 619.523516][ T8293] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.523556][ T8293] ? __pfx__printk+0x10/0x10
[ 619.523593][ T8293] ? __pfx___might_resched+0x10/0x10
[ 619.523626][ T8293] ? fs_reclaim_acquire+0x7d/0x100
[ 619.523657][ T8293] should_fail_ex+0x46c/0x600
[ 619.523698][ T8293] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 619.523729][ T8293] should_failslab+0xa8/0x100
[ 619.523769][ T8293] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 619.523796][ T8293] kmem_cache_alloc_noprof+0x6e/0x310
[ 619.523841][ T8293] jbd2_journal_add_journal_head+0x95/0x4c0
[ 619.523877][ T8293] jbd2_journal_get_create_access+0x4d/0x460
[ 619.523927][ T8293] __ext4_journal_get_create_access+0xa9/0x410
[ 619.523974][ T8293] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 619.524018][ T8293] ? ext4_map_blocks+0x559/0x1740
[ 619.524057][ T8293] ext4_getblk+0x496/0x760
[ 619.524095][ T8293] ? __pfx_ext4_getblk+0x10/0x10
[ 619.524128][ T8293] ? __brelse+0x59/0xa0
[ 619.524166][ T8293] ext4_bread+0x2a/0x180
[ 619.524210][ T8293] ext4_append+0x2c6/0x560
[ 619.524247][ T8293] ? __pfx_ext4_append+0x10/0x10
[ 619.524286][ T8293] ? set_nlink+0x5f/0x170
[ 619.524326][ T8293] ext4_init_new_dir+0x11f/0x1c0
[ 619.524361][ T8293] ext4_mkdir+0x48c/0xc50
[ 619.524404][ T8293] ? __pfx_ext4_mkdir+0x10/0x10
[ 619.524440][ T8293] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 619.524475][ T8293] vfs_mkdir+0x306/0x510
[ 619.524517][ T8293] do_mkdirat+0x247/0x590
[ 619.524553][ T8293] ? __pfx_do_mkdirat+0x10/0x10
[ 619.524581][ T8293] ? strncpy_from_user+0x150/0x290
[ 619.524614][ T8293] ? getname_flags+0x1e5/0x540
[ 619.524660][ T8293] __x64_sys_mkdir+0x6c/0x80
[ 619.524692][ T8293] do_syscall_64+0xfa/0x3b0
[ 619.524723][ T8293] ? lockdep_hardirqs_on+0x9c/0x150
[ 619.524750][ T8293] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.524778][ T8293] ? clear_bhb_loop+0x60/0xb0
[ 619.524809][ T8293] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.524836][ T8293] RIP: 0033:0x7f8729e50127
[ 619.524862][ T8293] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 619.524884][ T8293] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 619.524913][ T8293] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 619.524933][ T8293] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 619.524951][ T8293] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 619.524969][ T8293] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 619.524985][ T8293] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 619.525025][ T8293]
[ 619.526082][ T8293] ENOMEM in journal_alloc_journal_head, retrying.
[ 620.129664][ T8294] FAULT_INJECTION: forcing a failure.
[ 620.129664][ T8294] name failslab, interval 1, probability 0, space 0, times 0
[ 620.129713][ T8294] CPU: 1 UID: 0 PID: 8294 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 620.129750][ T8294] Tainted: [W]=WARN
[ 620.129759][ T8294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 620.129775][ T8294] Call Trace:
[ 620.129785][ T8294]
[ 620.129796][ T8294] dump_stack_lvl+0x189/0x250
[ 620.129841][ T8294] ? __pfx____ratelimit+0x10/0x10
[ 620.129868][ T8294] ? __pfx_dump_stack_lvl+0x10/0x10
[ 620.129904][ T8294] ? __pfx__printk+0x10/0x10
[ 620.129950][ T8294] ? __pfx___might_resched+0x10/0x10
[ 620.129977][ T8294] ? fs_reclaim_acquire+0x7d/0x100
[ 620.130006][ T8294] should_fail_ex+0x46c/0x600
[ 620.130038][ T8294] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 620.130065][ T8294] should_failslab+0xa8/0x100
[ 620.130100][ T8294] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 620.130124][ T8294] kmem_cache_alloc_noprof+0x6e/0x310
[ 620.130164][ T8294] jbd2_journal_add_journal_head+0x95/0x4c0
[ 620.130197][ T8294] jbd2_journal_get_create_access+0x4d/0x460
[ 620.130244][ T8294] __ext4_journal_get_create_access+0xa9/0x410
[ 620.130286][ T8294] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 620.130325][ T8294] ? ext4_map_blocks+0x559/0x1740
[ 620.130361][ T8294] ext4_getblk+0x496/0x760
[ 620.130396][ T8294] ? __pfx_ext4_getblk+0x10/0x10
[ 620.130430][ T8294] ? __brelse+0x59/0xa0
[ 620.130465][ T8294] ext4_bread+0x2a/0x180
[ 620.130496][ T8294] ext4_append+0x2c6/0x560
[ 620.130530][ T8294] ? __pfx_ext4_append+0x10/0x10
[ 620.130565][ T8294] ? set_nlink+0x5f/0x170
[ 620.130602][ T8294] ext4_init_new_dir+0x11f/0x1c0
[ 620.130634][ T8294] ext4_mkdir+0x48c/0xc50
[ 620.130671][ T8294] ? __pfx_ext4_mkdir+0x10/0x10
[ 620.130704][ T8294] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 620.130732][ T8294] vfs_mkdir+0x306/0x510
[ 620.130769][ T8294] do_mkdirat+0x247/0x590
[ 620.130801][ T8294] ? __pfx_do_mkdirat+0x10/0x10
[ 620.130827][ T8294] ? strncpy_from_user+0x150/0x290
[ 620.130855][ T8294] ? getname_flags+0x1e5/0x540
[ 620.130903][ T8294] __x64_sys_mkdir+0x6c/0x80
[ 620.130940][ T8294] do_syscall_64+0xfa/0x3b0
[ 620.130966][ T8294] ? lockdep_hardirqs_on+0x9c/0x150
[ 620.130992][ T8294] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.131016][ T8294] ? clear_bhb_loop+0x60/0xb0
[ 620.131045][ T8294] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.131069][ T8294] RIP: 0033:0x7f8729e50127
[ 620.131091][ T8294] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 620.131112][ T8294] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 620.131139][ T8294] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 620.131157][ T8294] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 620.131172][ T8294] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 620.131188][ T8294] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 620.131201][ T8294] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 620.131236][ T8294]
[ 620.131365][ T8294] ENOMEM in journal_alloc_journal_head, retrying.
[ 620.636794][ T8296] loop0: detected capacity change from 0 to 32768
[ 620.639623][ T8296] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8296)
[ 620.640084][ T8296] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 620.642989][ T8296] FAULT_INJECTION: forcing a failure.
[ 620.642989][ T8296] name failslab, interval 1, probability 0, space 0, times 0
[ 620.643039][ T8296] CPU: 1 UID: 0 PID: 8296 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 620.643082][ T8296] Tainted: [W]=WARN
[ 620.643092][ T8296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 620.643110][ T8296] Call Trace:
[ 620.643119][ T8296]
[ 620.643132][ T8296] dump_stack_lvl+0x189/0x250
[ 620.643182][ T8296] ? __pfx____ratelimit+0x10/0x10
[ 620.643211][ T8296] ? __pfx_dump_stack_lvl+0x10/0x10
[ 620.643252][ T8296] ? __pfx__printk+0x10/0x10
[ 620.643289][ T8296] ? __pfx___might_resched+0x10/0x10
[ 620.643319][ T8296] ? fs_reclaim_acquire+0x7d/0x100
[ 620.643351][ T8296] should_fail_ex+0x46c/0x600
[ 620.643386][ T8296] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 620.643416][ T8296] should_failslab+0xa8/0x100
[ 620.643454][ T8296] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 620.643481][ T8296] kmem_cache_alloc_noprof+0x6e/0x310
[ 620.643525][ T8296] jbd2_journal_add_journal_head+0x95/0x4c0
[ 620.643562][ T8296] jbd2_journal_get_create_access+0x4d/0x460
[ 620.643613][ T8296] __ext4_journal_get_create_access+0xa9/0x410
[ 620.643660][ T8296] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 620.643703][ T8296] ? ext4_map_blocks+0x559/0x1740
[ 620.643738][ T8296] ext4_getblk+0x496/0x760
[ 620.643790][ T8296] ? __pfx_ext4_getblk+0x10/0x10
[ 620.643824][ T8296] ? __brelse+0x59/0xa0
[ 620.643863][ T8296] ext4_bread+0x2a/0x180
[ 620.643903][ T8296] ext4_append+0x2c6/0x560
[ 620.643938][ T8296] ? __pfx_ext4_append+0x10/0x10
[ 620.643975][ T8296] ? set_nlink+0x5f/0x170
[ 620.644015][ T8296] ext4_init_new_dir+0x11f/0x1c0
[ 620.644050][ T8296] ext4_mkdir+0x48c/0xc50
[ 620.644093][ T8296] ? __pfx_ext4_mkdir+0x10/0x10
[ 620.644128][ T8296] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 620.644161][ T8296] vfs_mkdir+0x306/0x510
[ 620.644205][ T8296] do_mkdirat+0x247/0x590
[ 620.644241][ T8296] ? __pfx_do_mkdirat+0x10/0x10
[ 620.644270][ T8296] ? strncpy_from_user+0x150/0x290
[ 620.644301][ T8296] ? getname_flags+0x1e5/0x540
[ 620.644346][ T8296] __x64_sys_mkdir+0x6c/0x80
[ 620.644390][ T8296] do_syscall_64+0xfa/0x3b0
[ 620.644421][ T8296] ? lockdep_hardirqs_on+0x9c/0x150
[ 620.644448][ T8296] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.644476][ T8296] ? clear_bhb_loop+0x60/0xb0
[ 620.644509][ T8296] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.644536][ T8296] RIP: 0033:0x7f8729e50127
[ 620.644560][ T8296] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 620.644584][ T8296] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 620.644613][ T8296] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 620.644633][ T8296] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 620.644650][ T8296] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 620.644667][ T8296] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 620.644683][ T8296] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 620.644723][ T8296]
[ 620.644736][ T8296] ENOMEM in journal_alloc_journal_head, retrying.
[ 621.315589][ T8297] FAULT_INJECTION: forcing a failure.
[ 621.315589][ T8297] name failslab, interval 1, probability 0, space 0, times 0
[ 621.315636][ T8297] CPU: 0 UID: 0 PID: 8297 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 621.315672][ T8297] Tainted: [W]=WARN
[ 621.315680][ T8297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 621.315696][ T8297] Call Trace:
[ 621.315705][ T8297]
[ 621.315716][ T8297] dump_stack_lvl+0x189/0x250
[ 621.315758][ T8297] ? __pfx____ratelimit+0x10/0x10
[ 621.315787][ T8297] ? __pfx_dump_stack_lvl+0x10/0x10
[ 621.315823][ T8297] ? __pfx__printk+0x10/0x10
[ 621.315856][ T8297] ? __pfx___might_resched+0x10/0x10
[ 621.315884][ T8297] ? fs_reclaim_acquire+0x7d/0x100
[ 621.315913][ T8297] should_fail_ex+0x46c/0x600
[ 621.315945][ T8297] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 621.315972][ T8297] should_failslab+0xa8/0x100
[ 621.316008][ T8297] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 621.316033][ T8297] kmem_cache_alloc_noprof+0x6e/0x310
[ 621.316073][ T8297] jbd2_journal_add_journal_head+0x95/0x4c0
[ 621.316115][ T8297] jbd2_journal_get_create_access+0x4d/0x460
[ 621.316161][ T8297] __ext4_journal_get_create_access+0xa9/0x410
[ 621.316203][ T8297] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 621.316243][ T8297] ? ext4_map_blocks+0x559/0x1740
[ 621.316279][ T8297] ext4_getblk+0x496/0x760
[ 621.316315][ T8297] ? __pfx_ext4_getblk+0x10/0x10
[ 621.316345][ T8297] ? __brelse+0x59/0xa0
[ 621.316379][ T8297] ext4_bread+0x2a/0x180
[ 621.316413][ T8297] ext4_append+0x2c6/0x560
[ 621.316448][ T8297] ? __pfx_ext4_append+0x10/0x10
[ 621.316481][ T8297] ? set_nlink+0x5f/0x170
[ 621.316518][ T8297] ext4_init_new_dir+0x11f/0x1c0
[ 621.316550][ T8297] ext4_mkdir+0x48c/0xc50
[ 621.316589][ T8297] ? __pfx_ext4_mkdir+0x10/0x10
[ 621.316622][ T8297] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 621.316649][ T8297] vfs_mkdir+0x306/0x510
[ 621.316687][ T8297] do_mkdirat+0x247/0x590
[ 621.316719][ T8297] ? __pfx_do_mkdirat+0x10/0x10
[ 621.316745][ T8297] ? strncpy_from_user+0x150/0x290
[ 621.316775][ T8297] ? getname_flags+0x1e5/0x540
[ 621.316817][ T8297] __x64_sys_mkdir+0x6c/0x80
[ 621.316848][ T8297] do_syscall_64+0xfa/0x3b0
[ 621.316875][ T8297] ? lockdep_hardirqs_on+0x9c/0x150
[ 621.316901][ T8297] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.316926][ T8297] ? clear_bhb_loop+0x60/0xb0
[ 621.316963][ T8297] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.316987][ T8297] RIP: 0033:0x7f8729e50127
[ 621.317010][ T8297] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 621.317032][ T8297] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 621.317058][ T8297] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 621.317075][ T8297] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 621.317090][ T8297] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 621.317112][ T8297] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 621.317127][ T8297] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 621.317163][ T8297]
[ 621.317277][ T8297] ENOMEM in journal_alloc_journal_head, retrying.
[ 621.823192][ T8299] loop0: detected capacity change from 0 to 32768
[ 621.826072][ T8299] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8299)
[ 621.826527][ T8299] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 621.829048][ T8299] FAULT_INJECTION: forcing a failure.
[ 621.829048][ T8299] name failslab, interval 1, probability 0, space 0, times 0
[ 621.829226][ T8299] CPU: 0 UID: 0 PID: 8299 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 621.829263][ T8299] Tainted: [W]=WARN
[ 621.829272][ T8299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 621.829289][ T8299] Call Trace:
[ 621.829299][ T8299]
[ 621.829310][ T8299] dump_stack_lvl+0x189/0x250
[ 621.829355][ T8299] ? __pfx____ratelimit+0x10/0x10
[ 621.829382][ T8299] ? __pfx_dump_stack_lvl+0x10/0x10
[ 621.829415][ T8299] ? __pfx__printk+0x10/0x10
[ 621.829447][ T8299] ? __pfx___might_resched+0x10/0x10
[ 621.829473][ T8299] ? fs_reclaim_acquire+0x7d/0x100
[ 621.829499][ T8299] should_fail_ex+0x46c/0x600
[ 621.829529][ T8299] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 621.829554][ T8299] should_failslab+0xa8/0x100
[ 621.829588][ T8299] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 621.829611][ T8299] kmem_cache_alloc_noprof+0x6e/0x310
[ 621.829648][ T8299] jbd2_journal_add_journal_head+0x95/0x4c0
[ 621.829689][ T8299] jbd2_journal_get_create_access+0x4d/0x460
[ 621.829732][ T8299] __ext4_journal_get_create_access+0xa9/0x410
[ 621.829789][ T8299] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 621.829826][ T8299] ? ext4_map_blocks+0x559/0x1740
[ 621.829861][ T8299] ext4_getblk+0x496/0x760
[ 621.829894][ T8299] ? __pfx_ext4_getblk+0x10/0x10
[ 621.829923][ T8299] ? __brelse+0x59/0xa0
[ 621.829955][ T8299] ext4_bread+0x2a/0x180
[ 621.829983][ T8299] ext4_append+0x2c6/0x560
[ 621.830015][ T8299] ? __pfx_ext4_append+0x10/0x10
[ 621.830048][ T8299] ? set_nlink+0x5f/0x170
[ 621.830082][ T8299] ext4_init_new_dir+0x11f/0x1c0
[ 621.830112][ T8299] ext4_mkdir+0x48c/0xc50
[ 621.830149][ T8299] ? __pfx_ext4_mkdir+0x10/0x10
[ 621.830180][ T8299] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 621.830207][ T8299] vfs_mkdir+0x306/0x510
[ 621.830242][ T8299] do_mkdirat+0x247/0x590
[ 621.830277][ T8299] ? __pfx_do_mkdirat+0x10/0x10
[ 621.830301][ T8299] ? strncpy_from_user+0x150/0x290
[ 621.830328][ T8299] ? getname_flags+0x1e5/0x540
[ 621.830367][ T8299] __x64_sys_mkdir+0x6c/0x80
[ 621.830394][ T8299] do_syscall_64+0xfa/0x3b0
[ 621.830420][ T8299] ? lockdep_hardirqs_on+0x9c/0x150
[ 621.830444][ T8299] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.830468][ T8299] ? clear_bhb_loop+0x60/0xb0
[ 621.830496][ T8299] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.830519][ T8299] RIP: 0033:0x7f8729e50127
[ 621.830540][ T8299] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 621.830559][ T8299] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 621.830585][ T8299] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 621.830603][ T8299] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 621.830617][ T8299] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 621.830632][ T8299] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 621.830646][ T8299] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 621.830681][ T8299]
[ 621.830806][ T8299] ENOMEM in journal_alloc_journal_head, retrying.
[ 622.460659][ T8301] loop0: detected capacity change from 0 to 32768
[ 622.473359][ T8301] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8301)
[ 622.473861][ T8301] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 622.641966][ T8301] FAULT_INJECTION: forcing a failure.
[ 622.641966][ T8301] name failslab, interval 1, probability 0, space 0, times 0
[ 622.642010][ T8301] CPU: 0 UID: 0 PID: 8301 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 622.642048][ T8301] Tainted: [W]=WARN
[ 622.642054][ T8301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 622.642066][ T8301] Call Trace:
[ 622.642073][ T8301]
[ 622.642081][ T8301] dump_stack_lvl+0x189/0x250
[ 622.642114][ T8301] ? __pfx____ratelimit+0x10/0x10
[ 622.642134][ T8301] ? __pfx_dump_stack_lvl+0x10/0x10
[ 622.642159][ T8301] ? __pfx__printk+0x10/0x10
[ 622.642183][ T8301] ? __pfx___might_resched+0x10/0x10
[ 622.642202][ T8301] ? fs_reclaim_acquire+0x7d/0x100
[ 622.642222][ T8301] should_fail_ex+0x46c/0x600
[ 622.642244][ T8301] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 622.642263][ T8301] should_failslab+0xa8/0x100
[ 622.642288][ T8301] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 622.642304][ T8301] kmem_cache_alloc_noprof+0x6e/0x310
[ 622.642332][ T8301] jbd2_journal_add_journal_head+0x95/0x4c0
[ 622.642355][ T8301] jbd2_journal_get_create_access+0x4d/0x460
[ 622.642387][ T8301] __ext4_journal_get_create_access+0xa9/0x410
[ 622.642417][ T8301] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 622.642445][ T8301] ? ext4_map_blocks+0x559/0x1740
[ 622.642470][ T8301] ext4_getblk+0x496/0x760
[ 622.642494][ T8301] ? __pfx_ext4_getblk+0x10/0x10
[ 622.642515][ T8301] ? __brelse+0x59/0xa0
[ 622.642538][ T8301] ext4_bread+0x2a/0x180
[ 622.642559][ T8301] ext4_append+0x2c6/0x560
[ 622.642583][ T8301] ? __pfx_ext4_append+0x10/0x10
[ 622.642606][ T8301] ? set_nlink+0x5f/0x170
[ 622.642631][ T8301] ext4_init_new_dir+0x11f/0x1c0
[ 622.642653][ T8301] ext4_mkdir+0x48c/0xc50
[ 622.642679][ T8301] ? __pfx_ext4_mkdir+0x10/0x10
[ 622.642703][ T8301] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 622.642722][ T8301] vfs_mkdir+0x306/0x510
[ 622.642748][ T8301] do_mkdirat+0x247/0x590
[ 622.642770][ T8301] ? __pfx_do_mkdirat+0x10/0x10
[ 622.642787][ T8301] ? strncpy_from_user+0x150/0x290
[ 622.642807][ T8301] ? getname_flags+0x1e5/0x540
[ 622.642835][ T8301] __x64_sys_mkdir+0x6c/0x80
[ 622.642855][ T8301] do_syscall_64+0xfa/0x3b0
[ 622.642874][ T8301] ? lockdep_hardirqs_on+0x9c/0x150
[ 622.642892][ T8301] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.642908][ T8301] ? clear_bhb_loop+0x60/0xb0
[ 622.642929][ T8301] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.642953][ T8301] RIP: 0033:0x7f8729e50127
[ 622.642974][ T8301] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 622.642995][ T8301] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 622.643021][ T8301] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 622.643039][ T8301] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 622.643054][ T8301] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 622.643070][ T8301] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 622.643085][ T8301] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 622.643116][ T8301]
[ 622.643124][ T8301] ENOMEM in journal_alloc_journal_head, retrying.
[ 623.067754][ T8302] loop0: detected capacity change from 0 to 32768
[ 623.073338][ T8302] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 623.076722][ T8302] FAULT_INJECTION: forcing a failure.
[ 623.076722][ T8302] name failslab, interval 1, probability 0, space 0, times 0
[ 623.076776][ T8302] CPU: 1 UID: 0 PID: 8302 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 623.076822][ T8302] Tainted: [W]=WARN
[ 623.076832][ T8302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 623.076852][ T8302] Call Trace:
[ 623.076864][ T8302]
[ 623.076876][ T8302] dump_stack_lvl+0x189/0x250
[ 623.076940][ T8302] ? __pfx____ratelimit+0x10/0x10
[ 623.076976][ T8302] ? __pfx_dump_stack_lvl+0x10/0x10
[ 623.077020][ T8302] ? __pfx__printk+0x10/0x10
[ 623.077062][ T8302] ? __pfx___might_resched+0x10/0x10
[ 623.077096][ T8302] ? fs_reclaim_acquire+0x7d/0x100
[ 623.077132][ T8302] should_fail_ex+0x46c/0x600
[ 623.077171][ T8302] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 623.077205][ T8302] should_failslab+0xa8/0x100
[ 623.077248][ T8302] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 623.077278][ T8302] kmem_cache_alloc_noprof+0x6e/0x310
[ 623.077329][ T8302] jbd2_journal_add_journal_head+0x95/0x4c0
[ 623.077370][ T8302] jbd2_journal_get_create_access+0x4d/0x460
[ 623.077426][ T8302] __ext4_journal_get_create_access+0xa9/0x410
[ 623.077478][ T8302] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 623.077527][ T8302] ? ext4_map_blocks+0x559/0x1740
[ 623.077571][ T8302] ext4_getblk+0x496/0x760
[ 623.077615][ T8302] ? __pfx_ext4_getblk+0x10/0x10
[ 623.077648][ T8302] ? __brelse+0x59/0xa0
[ 623.077680][ T8302] ext4_bread+0x2a/0x180
[ 623.077707][ T8302] ext4_append+0x2c6/0x560
[ 623.077737][ T8302] ? __pfx_ext4_append+0x10/0x10
[ 623.077768][ T8302] ? set_nlink+0x5f/0x170
[ 623.077801][ T8302] ext4_init_new_dir+0x11f/0x1c0
[ 623.077831][ T8302] ext4_mkdir+0x48c/0xc50
[ 623.077876][ T8302] ? __pfx_ext4_mkdir+0x10/0x10
[ 623.077929][ T8302] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 623.077962][ T8302] vfs_mkdir+0x306/0x510
[ 623.078009][ T8302] do_mkdirat+0x247/0x590
[ 623.078048][ T8302] ? __pfx_do_mkdirat+0x10/0x10
[ 623.078080][ T8302] ? strncpy_from_user+0x150/0x290
[ 623.078115][ T8302] ? getname_flags+0x1e5/0x540
[ 623.078167][ T8302] __x64_sys_mkdir+0x6c/0x80
[ 623.078204][ T8302] do_syscall_64+0xfa/0x3b0
[ 623.078239][ T8302] ? lockdep_hardirqs_on+0x9c/0x150
[ 623.078271][ T8302] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.078302][ T8302] ? clear_bhb_loop+0x60/0xb0
[ 623.078340][ T8302] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.078370][ T8302] RIP: 0033:0x7f8729e50127
[ 623.078398][ T8302] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 623.078422][ T8302] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 623.078454][ T8302] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 623.078477][ T8302] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 623.078496][ T8302] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 623.078516][ T8302] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 623.078535][ T8302] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 623.078578][ T8302]
[ 623.078595][ T8302] ENOMEM in journal_alloc_journal_head, retrying.
[ 623.777875][ T8303] FAULT_INJECTION: forcing a failure.
[ 623.777875][ T8303] name failslab, interval 1, probability 0, space 0, times 0
[ 623.777924][ T8303] CPU: 1 UID: 0 PID: 8303 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 623.777961][ T8303] Tainted: [W]=WARN
[ 623.777969][ T8303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 623.777989][ T8303] Call Trace:
[ 623.777999][ T8303]
[ 623.778011][ T8303] dump_stack_lvl+0x189/0x250
[ 623.778054][ T8303] ? __pfx____ratelimit+0x10/0x10
[ 623.778083][ T8303] ? __pfx_dump_stack_lvl+0x10/0x10
[ 623.778130][ T8303] ? __pfx__printk+0x10/0x10
[ 623.778163][ T8303] ? __pfx___might_resched+0x10/0x10
[ 623.778191][ T8303] ? fs_reclaim_acquire+0x7d/0x100
[ 623.778220][ T8303] should_fail_ex+0x46c/0x600
[ 623.778251][ T8303] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 623.778278][ T8303] should_failslab+0xa8/0x100
[ 623.778312][ T8303] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 623.778336][ T8303] kmem_cache_alloc_noprof+0x6e/0x310
[ 623.778375][ T8303] jbd2_journal_add_journal_head+0x95/0x4c0
[ 623.778409][ T8303] jbd2_journal_get_create_access+0x4d/0x460
[ 623.778454][ T8303] __ext4_journal_get_create_access+0xa9/0x410
[ 623.778497][ T8303] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 623.778537][ T8303] ? ext4_map_blocks+0x559/0x1740
[ 623.778579][ T8303] ext4_getblk+0x496/0x760
[ 623.778614][ T8303] ? __pfx_ext4_getblk+0x10/0x10
[ 623.778645][ T8303] ? __brelse+0x59/0xa0
[ 623.778680][ T8303] ext4_bread+0x2a/0x180
[ 623.778710][ T8303] ext4_append+0x2c6/0x560
[ 623.778745][ T8303] ? __pfx_ext4_append+0x10/0x10
[ 623.778779][ T8303] ? set_nlink+0x5f/0x170
[ 623.778816][ T8303] ext4_init_new_dir+0x11f/0x1c0
[ 623.778848][ T8303] ext4_mkdir+0x48c/0xc50
[ 623.778889][ T8303] ? __pfx_ext4_mkdir+0x10/0x10
[ 623.778922][ T8303] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 623.778952][ T8303] vfs_mkdir+0x306/0x510
[ 623.778996][ T8303] do_mkdirat+0x247/0x590
[ 623.779028][ T8303] ? __pfx_do_mkdirat+0x10/0x10
[ 623.779054][ T8303] ? strncpy_from_user+0x150/0x290
[ 623.779082][ T8303] ? getname_flags+0x1e5/0x540
[ 623.779124][ T8303] __x64_sys_mkdir+0x6c/0x80
[ 623.779154][ T8303] do_syscall_64+0xfa/0x3b0
[ 623.779181][ T8303] ? lockdep_hardirqs_on+0x9c/0x150
[ 623.779207][ T8303] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.779232][ T8303] ? clear_bhb_loop+0x60/0xb0
[ 623.779262][ T8303] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.779286][ T8303] RIP: 0033:0x7f8729e50127
[ 623.779308][ T8303] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 623.779330][ T8303] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 623.779355][ T8303] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 623.779373][ T8303] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 623.779388][ T8303] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 623.779403][ T8303] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 623.779419][ T8303] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 623.779454][ T8303]
[ 623.779607][ T8303] ENOMEM in journal_alloc_journal_head, retrying.
[ 624.230007][ T8305] loop0: detected capacity change from 0 to 32768
[ 624.240102][ T8305] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8305)
[ 624.240547][ T8305] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 624.266601][ T8305] FAULT_INJECTION: forcing a failure.
[ 624.266601][ T8305] name failslab, interval 1, probability 0, space 0, times 0
[ 624.266649][ T8305] CPU: 0 UID: 0 PID: 8305 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 624.266683][ T8305] Tainted: [W]=WARN
[ 624.266693][ T8305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 624.266708][ T8305] Call Trace:
[ 624.266718][ T8305]
[ 624.266729][ T8305] dump_stack_lvl+0x189/0x250
[ 624.266774][ T8305] ? __pfx____ratelimit+0x10/0x10
[ 624.266803][ T8305] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.266839][ T8305] ? __pfx__printk+0x10/0x10
[ 624.266873][ T8305] ? __pfx___might_resched+0x10/0x10
[ 624.266901][ T8305] ? fs_reclaim_acquire+0x7d/0x100
[ 624.266930][ T8305] should_fail_ex+0x46c/0x600
[ 624.266961][ T8305] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 624.266987][ T8305] should_failslab+0xa8/0x100
[ 624.267023][ T8305] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 624.267046][ T8305] kmem_cache_alloc_noprof+0x6e/0x310
[ 624.267086][ T8305] jbd2_journal_add_journal_head+0x95/0x4c0
[ 624.267121][ T8305] jbd2_journal_get_create_access+0x4d/0x460
[ 624.267167][ T8305] __ext4_journal_get_create_access+0xa9/0x410
[ 624.267209][ T8305] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 624.267248][ T8305] ? ext4_map_blocks+0x559/0x1740
[ 624.267283][ T8305] ext4_getblk+0x496/0x760
[ 624.267319][ T8305] ? __pfx_ext4_getblk+0x10/0x10
[ 624.267349][ T8305] ? __brelse+0x59/0xa0
[ 624.267384][ T8305] ext4_bread+0x2a/0x180
[ 624.267414][ T8305] ext4_append+0x2c6/0x560
[ 624.267448][ T8305] ? __pfx_ext4_append+0x10/0x10
[ 624.267482][ T8305] ? set_nlink+0x5f/0x170
[ 624.267518][ T8305] ext4_init_new_dir+0x11f/0x1c0
[ 624.267567][ T8305] ext4_mkdir+0x48c/0xc50
[ 624.267606][ T8305] ? __pfx_ext4_mkdir+0x10/0x10
[ 624.267639][ T8305] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 624.267668][ T8305] vfs_mkdir+0x306/0x510
[ 624.267707][ T8305] do_mkdirat+0x247/0x590
[ 624.267738][ T8305] ? __pfx_do_mkdirat+0x10/0x10
[ 624.267764][ T8305] ? strncpy_from_user+0x150/0x290
[ 624.267792][ T8305] ? getname_flags+0x1e5/0x540
[ 624.267833][ T8305] __x64_sys_mkdir+0x6c/0x80
[ 624.267863][ T8305] do_syscall_64+0xfa/0x3b0
[ 624.267890][ T8305] ? lockdep_hardirqs_on+0x9c/0x150
[ 624.267916][ T8305] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.267941][ T8305] ? clear_bhb_loop+0x60/0xb0
[ 624.267972][ T8305] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.267996][ T8305] RIP: 0033:0x7f8729e50127
[ 624.268018][ T8305] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 624.268039][ T8305] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 624.268065][ T8305] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 624.268083][ T8305] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 624.268098][ T8305] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 624.268113][ T8305] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 624.268128][ T8305] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 624.268163][ T8305]
[ 624.268176][ T8305] ENOMEM in journal_alloc_journal_head, retrying.
[ 624.935035][ T8306] FAULT_INJECTION: forcing a failure.
[ 624.935035][ T8306] name failslab, interval 1, probability 0, space 0, times 0
[ 624.935080][ T8306] CPU: 1 UID: 0 PID: 8306 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 624.935116][ T8306] Tainted: [W]=WARN
[ 624.935125][ T8306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 624.935141][ T8306] Call Trace:
[ 624.935151][ T8306]
[ 624.935162][ T8306] dump_stack_lvl+0x189/0x250
[ 624.935205][ T8306] ? __pfx____ratelimit+0x10/0x10
[ 624.935234][ T8306] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.935269][ T8306] ? __pfx__printk+0x10/0x10
[ 624.935303][ T8306] ? __pfx___might_resched+0x10/0x10
[ 624.935332][ T8306] ? fs_reclaim_acquire+0x7d/0x100
[ 624.935361][ T8306] should_fail_ex+0x46c/0x600
[ 624.935393][ T8306] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 624.935421][ T8306] should_failslab+0xa8/0x100
[ 624.935455][ T8306] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 624.935483][ T8306] kmem_cache_alloc_noprof+0x6e/0x310
[ 624.935524][ T8306] jbd2_journal_add_journal_head+0x95/0x4c0
[ 624.935558][ T8306] jbd2_journal_get_create_access+0x4d/0x460
[ 624.935613][ T8306] __ext4_journal_get_create_access+0xa9/0x410
[ 624.935657][ T8306] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 624.935696][ T8306] ? ext4_map_blocks+0x559/0x1740
[ 624.935732][ T8306] ext4_getblk+0x496/0x760
[ 624.935768][ T8306] ? __pfx_ext4_getblk+0x10/0x10
[ 624.935799][ T8306] ? __brelse+0x59/0xa0
[ 624.935833][ T8306] ext4_bread+0x2a/0x180
[ 624.935863][ T8306] ext4_append+0x2c6/0x560
[ 624.935895][ T8306] ? __pfx_ext4_append+0x10/0x10
[ 624.935929][ T8306] ? set_nlink+0x5f/0x170
[ 624.935966][ T8306] ext4_init_new_dir+0x11f/0x1c0
[ 624.935998][ T8306] ext4_mkdir+0x48c/0xc50
[ 624.936037][ T8306] ? __pfx_ext4_mkdir+0x10/0x10
[ 624.936070][ T8306] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 624.936099][ T8306] vfs_mkdir+0x306/0x510
[ 624.936136][ T8306] do_mkdirat+0x247/0x590
[ 624.936168][ T8306] ? __pfx_do_mkdirat+0x10/0x10
[ 624.936194][ T8306] ? strncpy_from_user+0x150/0x290
[ 624.936222][ T8306] ? getname_flags+0x1e5/0x540
[ 624.936265][ T8306] __x64_sys_mkdir+0x6c/0x80
[ 624.936295][ T8306] do_syscall_64+0xfa/0x3b0
[ 624.936323][ T8306] ? lockdep_hardirqs_on+0x9c/0x150
[ 624.936349][ T8306] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.936374][ T8306] ? clear_bhb_loop+0x60/0xb0
[ 624.936411][ T8306] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.936436][ T8306] RIP: 0033:0x7f8729e50127
[ 624.936458][ T8306] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 624.936480][ T8306] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 624.936505][ T8306] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 624.936523][ T8306] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 624.936539][ T8306] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 624.936555][ T8306] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 624.936570][ T8306] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 624.936612][ T8306]
[ 624.936750][ T8306] ENOMEM in journal_alloc_journal_head, retrying.
[ 625.415021][ T8308] loop0: detected capacity change from 0 to 32768
[ 625.417808][ T8308] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8308)
[ 625.418124][ T8308] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 625.419788][ T8308] FAULT_INJECTION: forcing a failure.
[ 625.419788][ T8308] name failslab, interval 1, probability 0, space 0, times 0
[ 625.419818][ T8308] CPU: 1 UID: 0 PID: 8308 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 625.419843][ T8308] Tainted: [W]=WARN
[ 625.419855][ T8308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 625.419866][ T8308] Call Trace:
[ 625.419873][ T8308]
[ 625.419882][ T8308] dump_stack_lvl+0x189/0x250
[ 625.419924][ T8308] ? __pfx____ratelimit+0x10/0x10
[ 625.419950][ T8308] ? __pfx_dump_stack_lvl+0x10/0x10
[ 625.419985][ T8308] ? __pfx__printk+0x10/0x10
[ 625.420016][ T8308] ? __pfx___might_resched+0x10/0x10
[ 625.420042][ T8308] ? fs_reclaim_acquire+0x7d/0x100
[ 625.420071][ T8308] should_fail_ex+0x46c/0x600
[ 625.420092][ T8308] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 625.420111][ T8308] should_failslab+0xa8/0x100
[ 625.420135][ T8308] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 625.420151][ T8308] kmem_cache_alloc_noprof+0x6e/0x310
[ 625.420178][ T8308] jbd2_journal_add_journal_head+0x95/0x4c0
[ 625.420201][ T8308] jbd2_journal_get_create_access+0x4d/0x460
[ 625.420232][ T8308] __ext4_journal_get_create_access+0xa9/0x410
[ 625.420261][ T8308] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 625.420289][ T8308] ? ext4_map_blocks+0x559/0x1740
[ 625.420314][ T8308] ext4_getblk+0x496/0x760
[ 625.420338][ T8308] ? __pfx_ext4_getblk+0x10/0x10
[ 625.420359][ T8308] ? __brelse+0x59/0xa0
[ 625.420381][ T8308] ext4_bread+0x2a/0x180
[ 625.420402][ T8308] ext4_append+0x2c6/0x560
[ 625.420424][ T8308] ? __pfx_ext4_append+0x10/0x10
[ 625.420448][ T8308] ? set_nlink+0x5f/0x170
[ 625.420473][ T8308] ext4_init_new_dir+0x11f/0x1c0
[ 625.420495][ T8308] ext4_mkdir+0x48c/0xc50
[ 625.420521][ T8308] ? __pfx_ext4_mkdir+0x10/0x10
[ 625.420544][ T8308] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 625.420563][ T8308] vfs_mkdir+0x306/0x510
[ 625.420588][ T8308] do_mkdirat+0x247/0x590
[ 625.420611][ T8308] ? __pfx_do_mkdirat+0x10/0x10
[ 625.420629][ T8308] ? strncpy_from_user+0x150/0x290
[ 625.420648][ T8308] ? getname_flags+0x1e5/0x540
[ 625.420677][ T8308] __x64_sys_mkdir+0x6c/0x80
[ 625.420697][ T8308] do_syscall_64+0xfa/0x3b0
[ 625.420715][ T8308] ? lockdep_hardirqs_on+0x9c/0x150
[ 625.420733][ T8308] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.420749][ T8308] ? clear_bhb_loop+0x60/0xb0
[ 625.420770][ T8308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.420787][ T8308] RIP: 0033:0x7f8729e50127
[ 625.420802][ T8308] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 625.420817][ T8308] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 625.420835][ T8308] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 625.420853][ T8308] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 625.420864][ T8308] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 625.420883][ T8308] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 625.420893][ T8308] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 625.420917][ T8308]
[ 625.420927][ T8308] ENOMEM in journal_alloc_journal_head, retrying.
[ 626.009340][ T8309] loop0: detected capacity change from 0 to 32768
[ 626.020608][ T8309] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8309)
[ 626.021040][ T8309] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 626.186569][ T8309] FAULT_INJECTION: forcing a failure.
[ 626.186569][ T8309] name failslab, interval 1, probability 0, space 0, times 0
[ 626.186618][ T8309] CPU: 1 UID: 0 PID: 8309 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 626.186652][ T8309] Tainted: [W]=WARN
[ 626.186661][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 626.186677][ T8309] Call Trace:
[ 626.186686][ T8309]
[ 626.186697][ T8309] dump_stack_lvl+0x189/0x250
[ 626.186740][ T8309] ? __pfx____ratelimit+0x10/0x10
[ 626.186769][ T8309] ? __pfx_dump_stack_lvl+0x10/0x10
[ 626.186806][ T8309] ? __pfx__printk+0x10/0x10
[ 626.186840][ T8309] ? __pfx___might_resched+0x10/0x10
[ 626.186866][ T8309] ? fs_reclaim_acquire+0x7d/0x100
[ 626.186894][ T8309] should_fail_ex+0x46c/0x600
[ 626.186925][ T8309] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 626.186951][ T8309] should_failslab+0xa8/0x100
[ 626.186986][ T8309] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 626.187010][ T8309] kmem_cache_alloc_noprof+0x6e/0x310
[ 626.187048][ T8309] jbd2_journal_add_journal_head+0x95/0x4c0
[ 626.187080][ T8309] jbd2_journal_get_create_access+0x4d/0x460
[ 626.187124][ T8309] __ext4_journal_get_create_access+0xa9/0x410
[ 626.187165][ T8309] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 626.187201][ T8309] ? ext4_map_blocks+0x559/0x1740
[ 626.187235][ T8309] ext4_getblk+0x496/0x760
[ 626.187269][ T8309] ? __pfx_ext4_getblk+0x10/0x10
[ 626.187298][ T8309] ? __brelse+0x59/0xa0
[ 626.187332][ T8309] ext4_bread+0x2a/0x180
[ 626.187362][ T8309] ext4_append+0x2c6/0x560
[ 626.187395][ T8309] ? __pfx_ext4_append+0x10/0x10
[ 626.187427][ T8309] ? set_nlink+0x5f/0x170
[ 626.187461][ T8309] ext4_init_new_dir+0x11f/0x1c0
[ 626.187498][ T8309] ext4_mkdir+0x48c/0xc50
[ 626.187537][ T8309] ? __pfx_ext4_mkdir+0x10/0x10
[ 626.187568][ T8309] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 626.187594][ T8309] vfs_mkdir+0x306/0x510
[ 626.187627][ T8309] do_mkdirat+0x247/0x590
[ 626.187657][ T8309] ? __pfx_do_mkdirat+0x10/0x10
[ 626.187692][ T8309] ? strncpy_from_user+0x150/0x290
[ 626.187720][ T8309] ? getname_flags+0x1e5/0x540
[ 626.187760][ T8309] __x64_sys_mkdir+0x6c/0x80
[ 626.187790][ T8309] do_syscall_64+0xfa/0x3b0
[ 626.187818][ T8309] ? lockdep_hardirqs_on+0x9c/0x150
[ 626.187843][ T8309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.187869][ T8309] ? clear_bhb_loop+0x60/0xb0
[ 626.187896][ T8309] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.187918][ T8309] RIP: 0033:0x7f8729e50127
[ 626.187940][ T8309] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 626.187959][ T8309] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 626.187984][ T8309] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 626.188001][ T8309] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 626.188015][ T8309] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 626.188029][ T8309] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 626.188043][ T8309] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 626.188075][ T8309]
[ 626.188088][ T8309] ENOMEM in journal_alloc_journal_head, retrying.
[ 626.634087][ T8311] loop0: detected capacity change from 0 to 32768
[ 626.638752][ T8311] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 626.640911][ T8311] FAULT_INJECTION: forcing a failure.
[ 626.640911][ T8311] name failslab, interval 1, probability 0, space 0, times 0
[ 626.640953][ T8311] CPU: 1 UID: 0 PID: 8311 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 626.640987][ T8311] Tainted: [W]=WARN
[ 626.640996][ T8311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 626.641012][ T8311] Call Trace:
[ 626.641022][ T8311]
[ 626.641032][ T8311] dump_stack_lvl+0x189/0x250
[ 626.641075][ T8311] ? __pfx____ratelimit+0x10/0x10
[ 626.641102][ T8311] ? __pfx_dump_stack_lvl+0x10/0x10
[ 626.641134][ T8311] ? __pfx__printk+0x10/0x10
[ 626.641165][ T8311] ? __pfx___might_resched+0x10/0x10
[ 626.641191][ T8311] ? fs_reclaim_acquire+0x7d/0x100
[ 626.641218][ T8311] should_fail_ex+0x46c/0x600
[ 626.641248][ T8311] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 626.641275][ T8311] should_failslab+0xa8/0x100
[ 626.641310][ T8311] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 626.641332][ T8311] kmem_cache_alloc_noprof+0x6e/0x310
[ 626.641377][ T8311] jbd2_journal_add_journal_head+0x95/0x4c0
[ 626.641408][ T8311] jbd2_journal_get_create_access+0x4d/0x460
[ 626.641452][ T8311] __ext4_journal_get_create_access+0xa9/0x410
[ 626.641493][ T8311] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 626.641529][ T8311] ? ext4_map_blocks+0x559/0x1740
[ 626.641561][ T8311] ext4_getblk+0x496/0x760
[ 626.641592][ T8311] ? __pfx_ext4_getblk+0x10/0x10
[ 626.641621][ T8311] ? __brelse+0x59/0xa0
[ 626.641653][ T8311] ext4_bread+0x2a/0x180
[ 626.641680][ T8311] ext4_append+0x2c6/0x560
[ 626.641712][ T8311] ? __pfx_ext4_append+0x10/0x10
[ 626.641743][ T8311] ? set_nlink+0x5f/0x170
[ 626.641777][ T8311] ext4_init_new_dir+0x11f/0x1c0
[ 626.641811][ T8311] ext4_mkdir+0x48c/0xc50
[ 626.641845][ T8311] ? __pfx_ext4_mkdir+0x10/0x10
[ 626.641876][ T8311] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 626.641902][ T8311] vfs_mkdir+0x306/0x510
[ 626.641937][ T8311] do_mkdirat+0x247/0x590
[ 626.641966][ T8311] ? __pfx_do_mkdirat+0x10/0x10
[ 626.641987][ T8311] ? strncpy_from_user+0x150/0x290
[ 626.642016][ T8311] ? getname_flags+0x1e5/0x540
[ 626.642065][ T8311] __x64_sys_mkdir+0x6c/0x80
[ 626.642099][ T8311] do_syscall_64+0xfa/0x3b0
[ 626.642128][ T8311] ? lockdep_hardirqs_on+0x9c/0x150
[ 626.642159][ T8311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.642187][ T8311] ? clear_bhb_loop+0x60/0xb0
[ 626.642221][ T8311] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.642248][ T8311] RIP: 0033:0x7f8729e50127
[ 626.642273][ T8311] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 626.642295][ T8311] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 626.642323][ T8311] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 626.642343][ T8311] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 626.642361][ T8311] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 626.642392][ T8311] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 626.642409][ T8311] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 626.642448][ T8311]
[ 626.650971][ T8311] ENOMEM in journal_alloc_journal_head, retrying.
[ 627.325042][ T8312] FAULT_INJECTION: forcing a failure.
[ 627.325042][ T8312] name failslab, interval 1, probability 0, space 0, times 0
[ 627.325088][ T8312] CPU: 1 UID: 0 PID: 8312 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 627.325123][ T8312] Tainted: [W]=WARN
[ 627.325132][ T8312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 627.325148][ T8312] Call Trace:
[ 627.325157][ T8312]
[ 627.325169][ T8312] dump_stack_lvl+0x189/0x250
[ 627.325213][ T8312] ? __pfx____ratelimit+0x10/0x10
[ 627.325240][ T8312] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.325275][ T8312] ? __pfx__printk+0x10/0x10
[ 627.325309][ T8312] ? __pfx___might_resched+0x10/0x10
[ 627.325338][ T8312] ? fs_reclaim_acquire+0x7d/0x100
[ 627.325366][ T8312] should_fail_ex+0x46c/0x600
[ 627.325398][ T8312] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 627.325426][ T8312] should_failslab+0xa8/0x100
[ 627.325462][ T8312] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 627.325487][ T8312] kmem_cache_alloc_noprof+0x6e/0x310
[ 627.325535][ T8312] jbd2_journal_add_journal_head+0x95/0x4c0
[ 627.325569][ T8312] jbd2_journal_get_create_access+0x4d/0x460
[ 627.325615][ T8312] __ext4_journal_get_create_access+0xa9/0x410
[ 627.325659][ T8312] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 627.325699][ T8312] ? ext4_map_blocks+0x559/0x1740
[ 627.325736][ T8312] ext4_getblk+0x496/0x760
[ 627.325772][ T8312] ? __pfx_ext4_getblk+0x10/0x10
[ 627.325803][ T8312] ? __brelse+0x59/0xa0
[ 627.325842][ T8312] ext4_bread+0x2a/0x180
[ 627.325878][ T8312] ext4_append+0x2c6/0x560
[ 627.325912][ T8312] ? __pfx_ext4_append+0x10/0x10
[ 627.325947][ T8312] ? set_nlink+0x5f/0x170
[ 627.325983][ T8312] ext4_init_new_dir+0x11f/0x1c0
[ 627.326014][ T8312] ext4_mkdir+0x48c/0xc50
[ 627.326052][ T8312] ? __pfx_ext4_mkdir+0x10/0x10
[ 627.326086][ T8312] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 627.326116][ T8312] vfs_mkdir+0x306/0x510
[ 627.326153][ T8312] do_mkdirat+0x247/0x590
[ 627.326186][ T8312] ? __pfx_do_mkdirat+0x10/0x10
[ 627.326212][ T8312] ? strncpy_from_user+0x150/0x290
[ 627.326241][ T8312] ? getname_flags+0x1e5/0x540
[ 627.326302][ T8312] __x64_sys_mkdir+0x6c/0x80
[ 627.326332][ T8312] do_syscall_64+0xfa/0x3b0
[ 627.326359][ T8312] ? lockdep_hardirqs_on+0x9c/0x150
[ 627.326385][ T8312] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.326410][ T8312] ? clear_bhb_loop+0x60/0xb0
[ 627.326441][ T8312] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.326465][ T8312] RIP: 0033:0x7f8729e50127
[ 627.326486][ T8312] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 627.326514][ T8312] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 627.326540][ T8312] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 627.326558][ T8312] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 627.326573][ T8312] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 627.326588][ T8312] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 627.326603][ T8312] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 627.326638][ T8312]
[ 627.326758][ T8312] ENOMEM in journal_alloc_journal_head, retrying.
[ 627.784844][ T8314] loop0: detected capacity change from 0 to 32768
[ 627.788595][ T8314] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8314)
[ 627.789033][ T8314] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 627.791719][ T8314] FAULT_INJECTION: forcing a failure.
[ 627.791719][ T8314] name failslab, interval 1, probability 0, space 0, times 0
[ 627.791760][ T8314] CPU: 1 UID: 0 PID: 8314 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 627.791800][ T8314] Tainted: [W]=WARN
[ 627.791808][ T8314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 627.791821][ T8314] Call Trace:
[ 627.791830][ T8314]
[ 627.791840][ T8314] dump_stack_lvl+0x189/0x250
[ 627.791880][ T8314] ? __pfx____ratelimit+0x10/0x10
[ 627.791906][ T8314] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.791942][ T8314] ? __pfx__printk+0x10/0x10
[ 627.791972][ T8314] ? __pfx___might_resched+0x10/0x10
[ 627.791994][ T8314] ? fs_reclaim_acquire+0x7d/0x100
[ 627.792019][ T8314] should_fail_ex+0x46c/0x600
[ 627.792052][ T8314] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 627.792083][ T8314] should_failslab+0xa8/0x100
[ 627.792121][ T8314] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 627.792146][ T8314] kmem_cache_alloc_noprof+0x6e/0x310
[ 627.792186][ T8314] jbd2_journal_add_journal_head+0x95/0x4c0
[ 627.792219][ T8314] jbd2_journal_get_create_access+0x4d/0x460
[ 627.792269][ T8314] __ext4_journal_get_create_access+0xa9/0x410
[ 627.792316][ T8314] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 627.792359][ T8314] ? ext4_map_blocks+0x559/0x1740
[ 627.792397][ T8314] ext4_getblk+0x496/0x760
[ 627.792435][ T8314] ? __pfx_ext4_getblk+0x10/0x10
[ 627.792469][ T8314] ? __brelse+0x59/0xa0
[ 627.792507][ T8314] ext4_bread+0x2a/0x180
[ 627.792541][ T8314] ext4_append+0x2c6/0x560
[ 627.792577][ T8314] ? __pfx_ext4_append+0x10/0x10
[ 627.792694][ T8314] ? set_nlink+0x5f/0x170
[ 627.792735][ T8314] ext4_init_new_dir+0x11f/0x1c0
[ 627.792771][ T8314] ext4_mkdir+0x48c/0xc50
[ 627.792812][ T8314] ? __pfx_ext4_mkdir+0x10/0x10
[ 627.792849][ T8314] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 627.792880][ T8314] vfs_mkdir+0x306/0x510
[ 627.792921][ T8314] do_mkdirat+0x247/0x590
[ 627.792985][ T8314] ? __pfx_do_mkdirat+0x10/0x10
[ 627.793015][ T8314] ? strncpy_from_user+0x150/0x290
[ 627.793046][ T8314] ? getname_flags+0x1e5/0x540
[ 627.793093][ T8314] __x64_sys_mkdir+0x6c/0x80
[ 627.793125][ T8314] do_syscall_64+0xfa/0x3b0
[ 627.793156][ T8314] ? lockdep_hardirqs_on+0x9c/0x150
[ 627.793183][ T8314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.793210][ T8314] ? clear_bhb_loop+0x60/0xb0
[ 627.793244][ T8314] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.793269][ T8314] RIP: 0033:0x7f8729e50127
[ 627.793293][ T8314] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 627.793318][ T8314] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 627.793346][ T8314] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 627.793364][ T8314] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 627.793381][ T8314] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 627.793399][ T8314] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 627.793416][ T8314] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 627.793454][ T8314]
[ 627.798025][ T8314] ENOMEM in journal_alloc_journal_head, retrying.
[ 628.466059][ T8315] loop0: detected capacity change from 0 to 32768
[ 628.468890][ T8315] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8315)
[ 628.469300][ T8315] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 628.471551][ T8315] FAULT_INJECTION: forcing a failure.
[ 628.471551][ T8315] name failslab, interval 1, probability 0, space 0, times 0
[ 628.471593][ T8315] CPU: 1 UID: 0 PID: 8315 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 628.471627][ T8315] Tainted: [W]=WARN
[ 628.471636][ T8315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 628.471651][ T8315] Call Trace:
[ 628.471660][ T8315]
[ 628.471671][ T8315] dump_stack_lvl+0x189/0x250
[ 628.471713][ T8315] ? __pfx____ratelimit+0x10/0x10
[ 628.471740][ T8315] ? __pfx_dump_stack_lvl+0x10/0x10
[ 628.471775][ T8315] ? __pfx__printk+0x10/0x10
[ 628.471810][ T8315] ? __pfx___might_resched+0x10/0x10
[ 628.471837][ T8315] ? fs_reclaim_acquire+0x7d/0x100
[ 628.471863][ T8315] should_fail_ex+0x46c/0x600
[ 628.471894][ T8315] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 628.471918][ T8315] should_failslab+0xa8/0x100
[ 628.471952][ T8315] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 628.471976][ T8315] kmem_cache_alloc_noprof+0x6e/0x310
[ 628.472016][ T8315] jbd2_journal_add_journal_head+0x95/0x4c0
[ 628.472047][ T8315] jbd2_journal_get_create_access+0x4d/0x460
[ 628.472091][ T8315] __ext4_journal_get_create_access+0xa9/0x410
[ 628.472136][ T8315] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 628.472175][ T8315] ? ext4_map_blocks+0x559/0x1740
[ 628.472209][ T8315] ext4_getblk+0x496/0x760
[ 628.472311][ T8315] ? __pfx_ext4_getblk+0x10/0x10
[ 628.472351][ T8315] ? __brelse+0x59/0xa0
[ 628.472382][ T8315] ext4_bread+0x2a/0x180
[ 628.472411][ T8315] ext4_append+0x2c6/0x560
[ 628.472458][ T8315] ? __pfx_ext4_append+0x10/0x10
[ 628.472494][ T8315] ? set_nlink+0x5f/0x170
[ 628.472530][ T8315] ext4_init_new_dir+0x11f/0x1c0
[ 628.472562][ T8315] ext4_mkdir+0x48c/0xc50
[ 628.472599][ T8315] ? __pfx_ext4_mkdir+0x10/0x10
[ 628.472634][ T8315] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 628.472662][ T8315] vfs_mkdir+0x306/0x510
[ 628.472698][ T8315] do_mkdirat+0x247/0x590
[ 628.472730][ T8315] ? __pfx_do_mkdirat+0x10/0x10
[ 628.472755][ T8315] ? strncpy_from_user+0x150/0x290
[ 628.472784][ T8315] ? getname_flags+0x1e5/0x540
[ 628.472826][ T8315] __x64_sys_mkdir+0x6c/0x80
[ 628.472856][ T8315] do_syscall_64+0xfa/0x3b0
[ 628.472886][ T8315] ? lockdep_hardirqs_on+0x9c/0x150
[ 628.472911][ T8315] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.472936][ T8315] ? clear_bhb_loop+0x60/0xb0
[ 628.472966][ T8315] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.472991][ T8315] RIP: 0033:0x7f8729e50127
[ 628.473014][ T8315] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 628.473042][ T8315] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 628.473068][ T8315] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 628.473086][ T8315] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 628.473102][ T8315] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 628.473119][ T8315] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 628.473135][ T8315] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 628.473170][ T8315]
[ 628.479283][ T8315] ENOMEM in journal_alloc_journal_head, retrying.
[ 629.050829][ T8317] loop0: detected capacity change from 0 to 32768
[ 629.062202][ T8317] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8317)
[ 629.062664][ T8317] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 629.224860][ T8317] FAULT_INJECTION: forcing a failure.
[ 629.224860][ T8317] name failslab, interval 1, probability 0, space 0, times 0
[ 629.224909][ T8317] CPU: 0 UID: 0 PID: 8317 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 629.224944][ T8317] Tainted: [W]=WARN
[ 629.224953][ T8317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 629.224969][ T8317] Call Trace:
[ 629.224979][ T8317]
[ 629.224990][ T8317] dump_stack_lvl+0x189/0x250
[ 629.225032][ T8317] ? __pfx____ratelimit+0x10/0x10
[ 629.225061][ T8317] ? __pfx_dump_stack_lvl+0x10/0x10
[ 629.225096][ T8317] ? __pfx__printk+0x10/0x10
[ 629.225139][ T8317] ? __pfx___might_resched+0x10/0x10
[ 629.225166][ T8317] ? fs_reclaim_acquire+0x7d/0x100
[ 629.225195][ T8317] should_fail_ex+0x46c/0x600
[ 629.225226][ T8317] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 629.225253][ T8317] should_failslab+0xa8/0x100
[ 629.225286][ T8317] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 629.225309][ T8317] kmem_cache_alloc_noprof+0x6e/0x310
[ 629.225359][ T8317] jbd2_journal_add_journal_head+0x95/0x4c0
[ 629.225397][ T8317] jbd2_journal_get_create_access+0x4d/0x460
[ 629.225441][ T8317] __ext4_journal_get_create_access+0xa9/0x410
[ 629.225480][ T8317] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 629.225525][ T8317] ? ext4_map_blocks+0x559/0x1740
[ 629.225559][ T8317] ext4_getblk+0x496/0x760
[ 629.225592][ T8317] ? __pfx_ext4_getblk+0x10/0x10
[ 629.225621][ T8317] ? __brelse+0x59/0xa0
[ 629.225664][ T8317] ext4_bread+0x2a/0x180
[ 629.225692][ T8317] ext4_append+0x2c6/0x560
[ 629.225725][ T8317] ? __pfx_ext4_append+0x10/0x10
[ 629.225769][ T8317] ? set_nlink+0x5f/0x170
[ 629.225803][ T8317] ext4_init_new_dir+0x11f/0x1c0
[ 629.225839][ T8317] ext4_mkdir+0x48c/0xc50
[ 629.225875][ T8317] ? __pfx_ext4_mkdir+0x10/0x10
[ 629.225907][ T8317] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 629.225935][ T8317] vfs_mkdir+0x306/0x510
[ 629.225971][ T8317] do_mkdirat+0x247/0x590
[ 629.226003][ T8317] ? __pfx_do_mkdirat+0x10/0x10
[ 629.226037][ T8317] ? strncpy_from_user+0x150/0x290
[ 629.226065][ T8317] ? getname_flags+0x1e5/0x540
[ 629.226129][ T8317] __x64_sys_mkdir+0x6c/0x80
[ 629.226159][ T8317] do_syscall_64+0xfa/0x3b0
[ 629.226187][ T8317] ? lockdep_hardirqs_on+0x9c/0x150
[ 629.226211][ T8317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.226236][ T8317] ? clear_bhb_loop+0x60/0xb0
[ 629.226265][ T8317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.226289][ T8317] RIP: 0033:0x7f8729e50127
[ 629.226311][ T8317] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 629.226331][ T8317] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 629.226357][ T8317] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 629.226376][ T8317] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 629.226391][ T8317] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 629.226407][ T8317] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 629.226422][ T8317] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 629.226458][ T8317]
[ 629.226472][ T8317] ENOMEM in journal_alloc_journal_head, retrying.
[ 629.692399][ T8319] loop0: detected capacity change from 0 to 32768
[ 629.697040][ T8319] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 629.699899][ T8319] FAULT_INJECTION: forcing a failure.
[ 629.699899][ T8319] name failslab, interval 1, probability 0, space 0, times 0
[ 629.699947][ T8319] CPU: 1 UID: 0 PID: 8319 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 629.699983][ T8319] Tainted: [W]=WARN
[ 629.699992][ T8319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 629.700008][ T8319] Call Trace:
[ 629.700018][ T8319]
[ 629.700029][ T8319] dump_stack_lvl+0x189/0x250
[ 629.700070][ T8319] ? __pfx____ratelimit+0x10/0x10
[ 629.700097][ T8319] ? __pfx_dump_stack_lvl+0x10/0x10
[ 629.700131][ T8319] ? __pfx__printk+0x10/0x10
[ 629.700166][ T8319] ? __pfx___might_resched+0x10/0x10
[ 629.700193][ T8319] ? fs_reclaim_acquire+0x7d/0x100
[ 629.700219][ T8319] should_fail_ex+0x46c/0x600
[ 629.700249][ T8319] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 629.700276][ T8319] should_failslab+0xa8/0x100
[ 629.700363][ T8319] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 629.700388][ T8319] kmem_cache_alloc_noprof+0x6e/0x310
[ 629.700426][ T8319] jbd2_journal_add_journal_head+0x95/0x4c0
[ 629.700459][ T8319] jbd2_journal_get_create_access+0x4d/0x460
[ 629.700504][ T8319] __ext4_journal_get_create_access+0xa9/0x410
[ 629.700547][ T8319] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 629.700587][ T8319] ? ext4_map_blocks+0x559/0x1740
[ 629.700624][ T8319] ext4_getblk+0x496/0x760
[ 629.700658][ T8319] ? __pfx_ext4_getblk+0x10/0x10
[ 629.700688][ T8319] ? __brelse+0x59/0xa0
[ 629.700721][ T8319] ext4_bread+0x2a/0x180
[ 629.700751][ T8319] ext4_append+0x2c6/0x560
[ 629.700793][ T8319] ? __pfx_ext4_append+0x10/0x10
[ 629.700831][ T8319] ? set_nlink+0x5f/0x170
[ 629.700867][ T8319] ext4_init_new_dir+0x11f/0x1c0
[ 629.700899][ T8319] ext4_mkdir+0x48c/0xc50
[ 629.700935][ T8319] ? __pfx_ext4_mkdir+0x10/0x10
[ 629.700968][ T8319] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 629.700997][ T8319] vfs_mkdir+0x306/0x510
[ 629.701034][ T8319] do_mkdirat+0x247/0x590
[ 629.701065][ T8319] ? __pfx_do_mkdirat+0x10/0x10
[ 629.701091][ T8319] ? strncpy_from_user+0x150/0x290
[ 629.701120][ T8319] ? getname_flags+0x1e5/0x540
[ 629.701161][ T8319] __x64_sys_mkdir+0x6c/0x80
[ 629.701189][ T8319] do_syscall_64+0xfa/0x3b0
[ 629.701217][ T8319] ? lockdep_hardirqs_on+0x9c/0x150
[ 629.701242][ T8319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.701267][ T8319] ? clear_bhb_loop+0x60/0xb0
[ 629.701295][ T8319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.701327][ T8319] RIP: 0033:0x7f8729e50127
[ 629.701349][ T8319] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 629.701369][ T8319] RSP: 002b:00007ffd485b1868 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
[ 629.701395][ T8319] RAX: ffffffffffffffda RBX: 00007ffd485b1910 RCX: 00007f8729e50127
[ 629.701413][ T8319] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000040
[ 629.701428][ T8319] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000020000000
[ 629.701443][ T8319] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000040
[ 629.701459][ T8319] R13: 0000000020000140 R14: 0000000000000000 R15: 0000000000000000
[ 629.701494][ T8319]
[ 629.701514][ T8319] ENOMEM in journal_alloc_journal_head, retrying.
[ 630.180947][ T1323] ieee802154 phy0 wpan0: encryption failed: -22
[ 630.182649][ T1323] ieee802154 phy1 wpan1: encryption failed: -22
[ 630.339579][ T8320] loop0: detected capacity change from 0 to 32768
[ 630.350394][ T8320] BTRFS: device fsid d09153a9-5497-4f31-8e52-d2d02bbdf7fc devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor263 (8320)
[ 630.350858][ T8320] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16
[ 630.497940][ T8320] FAULT_INJECTION: forcing a failure.
[ 630.497940][ T8320] name failslab, interval 1, probability 0, space 0, times 0
[ 630.497986][ T8320] CPU: 1 UID: 0 PID: 8320 Comm: syz-executor263 Tainted: G W 6.16.0-syzkaller-12063-g37816488247d #0 PREEMPT_{RT,(full)}
[ 630.498021][ T8320] Tainted: [W]=WARN
[ 630.498030][ T8320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 630.498046][ T8320] Call Trace:
[ 630.498056][ T8320]
[ 630.498066][ T8320] dump_stack_lvl+0x189/0x250
[ 630.498112][ T8320] ? __pfx____ratelimit+0x10/0x10
[ 630.498140][ T8320] ? __pfx_dump_stack_lvl+0x10/0x10
[ 630.498175][ T8320] ? __pfx__printk+0x10/0x10
[ 630.498210][ T8320] ? __pfx___might_resched+0x10/0x10
[ 630.498238][ T8320] ? fs_reclaim_acquire+0x7d/0x100
[ 630.498266][ T8320] should_fail_ex+0x46c/0x600
[ 630.498298][ T8320] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 630.498325][ T8320] should_failslab+0xa8/0x100
[ 630.498360][ T8320] ? jbd2_journal_add_journal_head+0x95/0x4c0
[ 630.498384][ T8320] kmem_cache_alloc_noprof+0x6e/0x310
[ 630.498424][ T8320] jbd2_journal_add_journal_head+0x95/0x4c0
[ 630.498457][ T8320] jbd2_journal_get_create_access+0x4d/0x460
[ 630.498511][ T8320] __ext4_journal_get_create_access+0xa9/0x410
[ 630.498554][ T8320] ? __pfx___ext4_journal_get_create_access+0x10/0x10
[ 630.498594][ T8320] ? ext4_map_blocks+0x559/0x1740
[ 630.498630][ T8320] ext4_getblk+0x496/0x760
[ 630.498665][ T8320] ? __pfx_ext4_getblk+0x10/0x10