3268][T18339] ext4_alloc_file_blocks+0x320/0xad4 [ 546.483274][T18339] ext4_zero_range+0x4ac/0xbc4 [ 546.483280][T18339] ext4_fallocate+0x300/0x384 [ 546.483286][T18339] vfs_fallocate+0x52c/0x668 [ 546.483292][T18339] file_ioctl+0x584/0x75c [ 546.483297][T18339] do_vfs_ioctl+0xa10/0x1834 [ 546.483303][T18339] __arm64_sys_ioctl+0xe4/0x1c4 [ 546.483309][T18339] invoke_syscall+0x98/0x2b8 [ 546.483314][T18339] el0_svc_common+0x130/0x23c [ 546.483319][T18339] do_el0_svc+0x48/0x58 [ 546.483324][T18339] el0_svc+0x5c/0x254 [ 546.483332][T18339] el0t_64_sync_handler+0x84/0x12c [ 546.483338][T18339] el0t_64_sync+0x198/0x19c [ 546.567228][T18341] loop0: detected capacity change from 0 to 32768 [ 546.569019][T18341] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 546.571253][T18341] FAULT_INJECTION: forcing a failure. [ 546.571253][T18341] name failslab, interval 1, probability 0, space 0, times 0 [ 546.571277][T18341] CPU: 0 UID: 0 PID: 18341 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 546.571288][T18341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 546.571295][T18341] Call trace: [ 546.571299][T18341] show_stack+0x2c/0x3c (C) [ 546.571314][T18341] __dump_stack+0x30/0x40 [ 546.571321][T18341] dump_stack_lvl+0xd8/0x12c [ 546.571326][T18341] dump_stack+0x1c/0x28 [ 546.571332][T18341] should_fail_ex+0x41c/0x594 [ 546.571340][T18341] should_failslab+0xc0/0x128 [ 546.571347][T18341] kmem_cache_alloc_noprof+0x80/0x3e8 [ 546.571355][T18341] jbd2__journal_start+0x14c/0x51c [ 546.571362][T18341] __ext4_journal_start_sb+0x378/0x88c [ 546.571369][T18341] ext4_zero_range+0x648/0xbc4 [ 546.571375][T18341] ext4_fallocate+0x300/0x384 [ 546.571381][T18341] vfs_fallocate+0x52c/0x668 [ 546.571387][T18341] file_ioctl+0x584/0x75c [ 546.571393][T18341] do_vfs_ioctl+0xa10/0x1834 [ 546.571399][T18341] __arm64_sys_ioctl+0xe4/0x1c4 [ 546.571404][T18341] invoke_syscall+0x98/0x2b8 [ 546.571410][T18341] el0_svc_common+0x130/0x23c [ 546.571415][T18341] do_el0_svc+0x48/0x58 [ 546.571420][T18341] el0_svc+0x5c/0x254 [ 546.571427][T18341] el0t_64_sync_handler+0x84/0x12c [ 546.571433][T18341] el0t_64_sync+0x198/0x19c [ 546.651104][T18342] loop0: detected capacity change from 0 to 32768 [ 546.653349][T18342] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18342) [ 546.655605][T18342] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 546.678234][T18342] FAULT_INJECTION: forcing a failure. [ 546.678234][T18342] name failslab, interval 1, probability 0, space 0, times 0 [ 546.680443][T18342] CPU: 1 UID: 0 PID: 18342 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 546.680457][T18342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 546.680462][T18342] Call trace: [ 546.680465][T18342] show_stack+0x2c/0x3c (C) [ 546.680478][T18342] __dump_stack+0x30/0x40 [ 546.680484][T18342] dump_stack_lvl+0xd8/0x12c [ 546.680489][T18342] dump_stack+0x1c/0x28 [ 546.680494][T18342] should_fail_ex+0x41c/0x594 [ 546.680502][T18342] should_failslab+0xc0/0x128 [ 546.680508][T18342] kmem_cache_alloc_noprof+0x80/0x3e8 [ 546.680515][T18342] jbd2__journal_start+0x14c/0x51c [ 546.680523][T18342] __ext4_journal_start_sb+0x378/0x88c [ 546.680529][T18342] ext4_zero_range+0x648/0xbc4 [ 546.680535][T18342] ext4_fallocate+0x300/0x384 [ 546.680540][T18342] vfs_fallocate+0x52c/0x668 [ 546.680546][T18342] file_ioctl+0x584/0x75c [ 546.680552][T18342] do_vfs_ioctl+0xa10/0x1834 [ 546.680557][T18342] __arm64_sys_ioctl+0xe4/0x1c4 [ 546.680563][T18342] invoke_syscall+0x98/0x2b8 [ 546.680568][T18342] el0_svc_common+0x130/0x23c [ 546.680573][T18342] do_el0_svc+0x48/0x58 [ 546.680577][T18342] el0_svc+0x5c/0x254 [ 546.680585][T18342] el0t_64_sync_handler+0x84/0x12c [ 546.680591][T18342] el0t_64_sync+0x198/0x19c [ 546.772014][T18344] loop0: detected capacity change from 0 to 32768 [ 546.774146][T18344] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 546.776460][T18344] FAULT_INJECTION: forcing a failure. [ 546.776460][T18344] name failslab, interval 1, probability 0, space 0, times 0 [ 546.778628][T18344] CPU: 1 UID: 0 PID: 18344 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 546.778648][T18344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 546.778653][T18344] Call trace: [ 546.778656][T18344] show_stack+0x2c/0x3c (C) [ 546.778672][T18344] __dump_stack+0x30/0x40 [ 546.778679][T18344] dump_stack_lvl+0xd8/0x12c [ 546.778685][T18344] dump_stack+0x1c/0x28 [ 546.778690][T18344] should_fail_ex+0x41c/0x594 [ 546.778698][T18344] should_failslab+0xc0/0x128 [ 546.778705][T18344] kmem_cache_alloc_noprof+0x80/0x3e8 [ 546.778712][T18344] jbd2__journal_start+0x14c/0x51c [ 546.778719][T18344] __ext4_journal_start_sb+0x378/0x88c [ 546.778726][T18344] ext4_zero_range+0x648/0xbc4 [ 546.778732][T18344] ext4_fallocate+0x300/0x384 [ 546.778737][T18344] vfs_fallocate+0x52c/0x668 [ 546.778743][T18344] file_ioctl+0x584/0x75c [ 546.778749][T18344] do_vfs_ioctl+0xa10/0x1834 [ 546.778754][T18344] __arm64_sys_ioctl+0xe4/0x1c4 [ 546.778760][T18344] invoke_syscall+0x98/0x2b8 [ 546.778765][T18344] el0_svc_common+0x130/0x23c [ 546.778770][T18344] do_el0_svc+0x48/0x58 [ 546.778775][T18344] el0_svc+0x5c/0x254 [ 546.778782][T18344] el0t_64_sync_handler+0x84/0x12c [ 546.778789][T18344] el0t_64_sync+0x198/0x19c [ 546.870923][T18346] loop0: detected capacity change from 0 to 32768 [ 546.872212][T18346] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18346) [ 546.872312][T18346] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 546.896596][T18346] FAULT_INJECTION: forcing a failure. [ 546.896596][T18346] name failslab, interval 1, probability 0, space 0, times 0 [ 546.896630][T18346] CPU: 0 UID: 0 PID: 18346 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 546.896641][T18346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 546.896646][T18346] Call trace: [ 546.896649][T18346] show_stack+0x2c/0x3c (C) [ 546.896661][T18346] __dump_stack+0x30/0x40 [ 546.896667][T18346] dump_stack_lvl+0xd8/0x12c [ 546.896672][T18346] dump_stack+0x1c/0x28 [ 546.896677][T18346] should_fail_ex+0x41c/0x594 [ 546.896685][T18346] should_failslab+0xc0/0x128 [ 546.896693][T18346] kmem_cache_alloc_noprof+0x80/0x3e8 [ 546.896701][T18346] jbd2__journal_start+0x14c/0x51c [ 546.896708][T18346] __ext4_journal_start_sb+0x378/0x88c [ 546.896714][T18346] ext4_zero_range+0x648/0xbc4 [ 546.896720][T18346] ext4_fallocate+0x300/0x384 [ 546.896726][T18346] vfs_fallocate+0x52c/0x668 [ 546.896732][T18346] file_ioctl+0x584/0x75c [ 546.896738][T18346] do_vfs_ioctl+0xa10/0x1834 [ 546.896744][T18346] __arm64_sys_ioctl+0xe4/0x1c4 [ 546.896749][T18346] invoke_syscall+0x98/0x2b8 [ 546.896755][T18346] el0_svc_common+0x130/0x23c [ 546.896760][T18346] do_el0_svc+0x48/0x58 [ 546.896765][T18346] el0_svc+0x5c/0x254 [ 546.896772][T18346] el0t_64_sync_handler+0x84/0x12c [ 546.896778][T18346] el0t_64_sync+0x198/0x19c [ 546.973527][T18347] loop0: detected capacity change from 0 to 32768 [ 546.976131][T18347] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 546.976781][T18347] FAULT_INJECTION: forcing a failure. [ 546.976781][T18347] name failslab, interval 1, probability 0, space 0, times 0 [ 546.976801][T18347] CPU: 0 UID: 0 PID: 18347 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 546.976811][T18347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 546.976818][T18347] Call trace: [ 546.976821][T18347] show_stack+0x2c/0x3c (C) [ 546.976834][T18347] __dump_stack+0x30/0x40 [ 546.976840][T18347] dump_stack_lvl+0xd8/0x12c [ 546.976845][T18347] dump_stack+0x1c/0x28 [ 546.976850][T18347] should_fail_ex+0x41c/0x594 [ 546.976859][T18347] should_failslab+0xc0/0x128 [ 546.976867][T18347] kmem_cache_alloc_noprof+0x80/0x3e8 [ 546.976879][T18347] jbd2__journal_start+0x14c/0x51c [ 546.976887][T18347] __ext4_journal_start_sb+0x378/0x88c [ 546.976894][T18347] ext4_zero_range+0x648/0xbc4 [ 546.976900][T18347] ext4_fallocate+0x300/0x384 [ 546.976906][T18347] vfs_fallocate+0x52c/0x668 [ 546.976912][T18347] file_ioctl+0x584/0x75c [ 546.976918][T18347] do_vfs_ioctl+0xa10/0x1834 [ 546.976924][T18347] __arm64_sys_ioctl+0xe4/0x1c4 [ 546.976930][T18347] invoke_syscall+0x98/0x2b8 [ 546.976936][T18347] el0_svc_common+0x130/0x23c [ 546.976941][T18347] do_el0_svc+0x48/0x58 [ 546.976946][T18347] el0_svc+0x5c/0x254 [ 546.976953][T18347] el0t_64_sync_handler+0x84/0x12c [ 546.976960][T18347] el0t_64_sync+0x198/0x19c [ 547.075990][T18349] loop0: detected capacity change from 0 to 32768 [ 547.078248][T18349] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18349) [ 547.080757][T18349] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.083302][T18349] FAULT_INJECTION: forcing a failure. [ 547.083302][T18349] name failslab, interval 1, probability 0, space 0, times 0 [ 547.085626][T18349] CPU: 1 UID: 0 PID: 18349 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.085651][T18349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.085663][T18349] Call trace: [ 547.085670][T18349] show_stack+0x2c/0x3c (C) [ 547.085687][T18349] __dump_stack+0x30/0x40 [ 547.085698][T18349] dump_stack_lvl+0xd8/0x12c [ 547.085704][T18349] dump_stack+0x1c/0x28 [ 547.085710][T18349] should_fail_ex+0x41c/0x594 [ 547.085718][T18349] should_failslab+0xc0/0x128 [ 547.085725][T18349] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.085733][T18349] jbd2__journal_start+0x14c/0x51c [ 547.085740][T18349] __ext4_journal_start_sb+0x378/0x88c [ 547.085746][T18349] ext4_zero_range+0x648/0xbc4 [ 547.085752][T18349] ext4_fallocate+0x300/0x384 [ 547.085758][T18349] vfs_fallocate+0x52c/0x668 [ 547.085764][T18349] file_ioctl+0x584/0x75c [ 547.085770][T18349] do_vfs_ioctl+0xa10/0x1834 [ 547.085776][T18349] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.085781][T18349] invoke_syscall+0x98/0x2b8 [ 547.085787][T18349] el0_svc_common+0x130/0x23c [ 547.085792][T18349] do_el0_svc+0x48/0x58 [ 547.085796][T18349] el0_svc+0x5c/0x254 [ 547.085804][T18349] el0t_64_sync_handler+0x84/0x12c [ 547.085810][T18349] el0t_64_sync+0x198/0x19c [ 547.169117][T18350] loop0: detected capacity change from 0 to 32768 [ 547.171050][T18350] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18350) [ 547.173191][T18350] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.175350][T18350] FAULT_INJECTION: forcing a failure. [ 547.175350][T18350] name failslab, interval 1, probability 0, space 0, times 0 [ 547.177380][T18350] CPU: 1 UID: 0 PID: 18350 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.177402][T18350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.177409][T18350] Call trace: [ 547.177413][T18350] show_stack+0x2c/0x3c (C) [ 547.177428][T18350] __dump_stack+0x30/0x40 [ 547.177434][T18350] dump_stack_lvl+0xd8/0x12c [ 547.177440][T18350] dump_stack+0x1c/0x28 [ 547.177444][T18350] should_fail_ex+0x41c/0x594 [ 547.177453][T18350] should_failslab+0xc0/0x128 [ 547.177460][T18350] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.177467][T18350] jbd2__journal_start+0x14c/0x51c [ 547.177474][T18350] __ext4_journal_start_sb+0x378/0x88c [ 547.177481][T18350] ext4_zero_range+0x648/0xbc4 [ 547.177487][T18350] ext4_fallocate+0x300/0x384 [ 547.177493][T18350] vfs_fallocate+0x52c/0x668 [ 547.177499][T18350] file_ioctl+0x584/0x75c [ 547.177505][T18350] do_vfs_ioctl+0xa10/0x1834 [ 547.177510][T18350] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.177516][T18350] invoke_syscall+0x98/0x2b8 [ 547.177521][T18350] el0_svc_common+0x130/0x23c [ 547.177526][T18350] do_el0_svc+0x48/0x58 [ 547.177530][T18350] el0_svc+0x5c/0x254 [ 547.177537][T18350] el0t_64_sync_handler+0x84/0x12c [ 547.177544][T18350] el0t_64_sync+0x198/0x19c [ 547.271224][T18352] loop0: detected capacity change from 0 to 32768 [ 547.273385][T18352] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18352) [ 547.273496][T18352] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.274134][T18352] FAULT_INJECTION: forcing a failure. [ 547.274134][T18352] name failslab, interval 1, probability 0, space 0, times 0 [ 547.274152][T18352] CPU: 1 UID: 0 PID: 18352 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.274160][T18352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.274165][T18352] Call trace: [ 547.274167][T18352] show_stack+0x2c/0x3c (C) [ 547.274180][T18352] __dump_stack+0x30/0x40 [ 547.274186][T18352] dump_stack_lvl+0xd8/0x12c [ 547.274191][T18352] dump_stack+0x1c/0x28 [ 547.274195][T18352] should_fail_ex+0x41c/0x594 [ 547.274203][T18352] should_failslab+0xc0/0x128 [ 547.274210][T18352] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.274218][T18352] jbd2__journal_start+0x14c/0x51c [ 547.274225][T18352] __ext4_journal_start_sb+0x378/0x88c [ 547.274231][T18352] ext4_zero_range+0x648/0xbc4 [ 547.274237][T18352] ext4_fallocate+0x300/0x384 [ 547.274243][T18352] vfs_fallocate+0x52c/0x668 [ 547.274249][T18352] file_ioctl+0x584/0x75c [ 547.274255][T18352] do_vfs_ioctl+0xa10/0x1834 [ 547.274260][T18352] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.274266][T18352] invoke_syscall+0x98/0x2b8 [ 547.274271][T18352] el0_svc_common+0x130/0x23c [ 547.274279][T18352] do_el0_svc+0x48/0x58 [ 547.274284][T18352] el0_svc+0x5c/0x254 [ 547.274291][T18352] el0t_64_sync_handler+0x84/0x12c [ 547.274297][T18352] el0t_64_sync+0x198/0x19c [ 547.372008][T18355] loop0: detected capacity change from 0 to 32768 [ 547.373325][T18355] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18355) [ 547.373817][T18355] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.399478][T18355] FAULT_INJECTION: forcing a failure. [ 547.399478][T18355] name failslab, interval 1, probability 0, space 0, times 0 [ 547.399513][T18355] CPU: 0 UID: 0 PID: 18355 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.399523][T18355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.399530][T18355] Call trace: [ 547.399533][T18355] show_stack+0x2c/0x3c (C) [ 547.399546][T18355] __dump_stack+0x30/0x40 [ 547.399552][T18355] dump_stack_lvl+0xd8/0x12c [ 547.399558][T18355] dump_stack+0x1c/0x28 [ 547.399562][T18355] should_fail_ex+0x41c/0x594 [ 547.399571][T18355] should_failslab+0xc0/0x128 [ 547.399579][T18355] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.399586][T18355] jbd2__journal_start+0x14c/0x51c [ 547.399594][T18355] __ext4_journal_start_sb+0x378/0x88c [ 547.399600][T18355] ext4_zero_range+0x648/0xbc4 [ 547.399606][T18355] ext4_fallocate+0x300/0x384 [ 547.399612][T18355] vfs_fallocate+0x52c/0x668 [ 547.399618][T18355] file_ioctl+0x584/0x75c [ 547.399624][T18355] do_vfs_ioctl+0xa10/0x1834 [ 547.399630][T18355] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.399635][T18355] invoke_syscall+0x98/0x2b8 [ 547.399641][T18355] el0_svc_common+0x130/0x23c [ 547.399646][T18355] do_el0_svc+0x48/0x58 [ 547.399651][T18355] el0_svc+0x5c/0x254 [ 547.399658][T18355] el0t_64_sync_handler+0x84/0x12c [ 547.399665][T18355] el0t_64_sync+0x198/0x19c [ 547.474557][T18356] loop0: detected capacity change from 0 to 32768 [ 547.475404][T18356] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.497442][T18356] FAULT_INJECTION: forcing a failure. [ 547.497442][T18356] name failslab, interval 1, probability 0, space 0, times 0 [ 547.498447][T18356] CPU: 0 UID: 0 PID: 18356 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.498471][T18356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.498479][T18356] Call trace: [ 547.498483][T18356] show_stack+0x2c/0x3c (C) [ 547.498499][T18356] __dump_stack+0x30/0x40 [ 547.498506][T18356] dump_stack_lvl+0xd8/0x12c [ 547.498512][T18356] dump_stack+0x1c/0x28 [ 547.498517][T18356] should_fail_ex+0x41c/0x594 [ 547.498525][T18356] should_failslab+0xc0/0x128 [ 547.498532][T18356] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.498540][T18356] jbd2__journal_start+0x14c/0x51c [ 547.498547][T18356] __ext4_journal_start_sb+0x378/0x88c [ 547.498553][T18356] ext4_zero_range+0x648/0xbc4 [ 547.498559][T18356] ext4_fallocate+0x300/0x384 [ 547.498565][T18356] vfs_fallocate+0x52c/0x668 [ 547.498571][T18356] file_ioctl+0x584/0x75c [ 547.498576][T18356] do_vfs_ioctl+0xa10/0x1834 [ 547.498581][T18356] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.498587][T18356] invoke_syscall+0x98/0x2b8 [ 547.498592][T18356] el0_svc_common+0x130/0x23c [ 547.498597][T18356] do_el0_svc+0x48/0x58 [ 547.498602][T18356] el0_svc+0x5c/0x254 [ 547.498609][T18356] el0t_64_sync_handler+0x84/0x12c [ 547.498615][T18356] el0t_64_sync+0x198/0x19c [ 547.575451][T18357] loop0: detected capacity change from 0 to 32768 [ 547.576927][T18357] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.577593][T18357] FAULT_INJECTION: forcing a failure. [ 547.577593][T18357] name failslab, interval 1, probability 0, space 0, times 0 [ 547.577628][T18357] CPU: 1 UID: 0 PID: 18357 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.577640][T18357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.577645][T18357] Call trace: [ 547.577648][T18357] show_stack+0x2c/0x3c (C) [ 547.577662][T18357] __dump_stack+0x30/0x40 [ 547.577669][T18357] dump_stack_lvl+0xd8/0x12c [ 547.577674][T18357] dump_stack+0x1c/0x28 [ 547.577678][T18357] should_fail_ex+0x41c/0x594 [ 547.577687][T18357] should_failslab+0xc0/0x128 [ 547.577694][T18357] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.577704][T18357] jbd2__journal_start+0x14c/0x51c [ 547.577712][T18357] __ext4_journal_start_sb+0x378/0x88c [ 547.577719][T18357] ext4_zero_range+0x648/0xbc4 [ 547.577725][T18357] ext4_fallocate+0x300/0x384 [ 547.577731][T18357] vfs_fallocate+0x52c/0x668 [ 547.577737][T18357] file_ioctl+0x584/0x75c [ 547.577743][T18357] do_vfs_ioctl+0xa10/0x1834 [ 547.577748][T18357] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.577754][T18357] invoke_syscall+0x98/0x2b8 [ 547.577759][T18357] el0_svc_common+0x130/0x23c [ 547.577764][T18357] do_el0_svc+0x48/0x58 [ 547.577769][T18357] el0_svc+0x5c/0x254 [ 547.577776][T18357] el0t_64_sync_handler+0x84/0x12c [ 547.577782][T18357] el0t_64_sync+0x198/0x19c [ 547.664349][T18358] loop0: detected capacity change from 0 to 32768 [ 547.667881][T18358] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18358) [ 547.668310][T18358] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.669113][T18358] FAULT_INJECTION: forcing a failure. [ 547.669113][T18358] name failslab, interval 1, probability 0, space 0, times 0 [ 547.669126][T18358] CPU: 0 UID: 0 PID: 18358 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.669134][T18358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.669138][T18358] Call trace: [ 547.669140][T18358] show_stack+0x2c/0x3c (C) [ 547.669153][T18358] __dump_stack+0x30/0x40 [ 547.669159][T18358] dump_stack_lvl+0xd8/0x12c [ 547.669163][T18358] dump_stack+0x1c/0x28 [ 547.669168][T18358] should_fail_ex+0x41c/0x594 [ 547.669176][T18358] should_failslab+0xc0/0x128 [ 547.669183][T18358] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.669190][T18358] jbd2__journal_start+0x14c/0x51c [ 547.669197][T18358] __ext4_journal_start_sb+0x378/0x88c [ 547.669203][T18358] ext4_zero_range+0x648/0xbc4 [ 547.669209][T18358] ext4_fallocate+0x300/0x384 [ 547.669215][T18358] vfs_fallocate+0x52c/0x668 [ 547.669221][T18358] file_ioctl+0x584/0x75c [ 547.669227][T18358] do_vfs_ioctl+0xa10/0x1834 [ 547.669232][T18358] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.669237][T18358] invoke_syscall+0x98/0x2b8 [ 547.669243][T18358] el0_svc_common+0x130/0x23c [ 547.669247][T18358] do_el0_svc+0x48/0x58 [ 547.669252][T18358] el0_svc+0x5c/0x254 [ 547.669260][T18358] el0t_64_sync_handler+0x84/0x12c [ 547.669266][T18358] el0t_64_sync+0x198/0x19c [ 547.757397][T18360] loop0: detected capacity change from 0 to 32768 [ 547.759331][T18360] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18360) [ 547.761646][T18360] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.763837][T18360] FAULT_INJECTION: forcing a failure. [ 547.763837][T18360] name failslab, interval 1, probability 0, space 0, times 0 [ 547.766144][T18360] CPU: 1 UID: 0 PID: 18360 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.766173][T18360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.766187][T18360] Call trace: [ 547.766193][T18360] show_stack+0x2c/0x3c (C) [ 547.766207][T18360] __dump_stack+0x30/0x40 [ 547.766213][T18360] dump_stack_lvl+0xd8/0x12c [ 547.766219][T18360] dump_stack+0x1c/0x28 [ 547.766223][T18360] should_fail_ex+0x41c/0x594 [ 547.766232][T18360] should_failslab+0xc0/0x128 [ 547.766239][T18360] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.766246][T18360] jbd2__journal_start+0x14c/0x51c [ 547.766253][T18360] __ext4_journal_start_sb+0x378/0x88c [ 547.766260][T18360] ext4_zero_range+0x648/0xbc4 [ 547.766267][T18360] ext4_fallocate+0x300/0x384 [ 547.766273][T18360] vfs_fallocate+0x52c/0x668 [ 547.766279][T18360] file_ioctl+0x584/0x75c [ 547.766285][T18360] do_vfs_ioctl+0xa10/0x1834 [ 547.766290][T18360] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.766296][T18360] invoke_syscall+0x98/0x2b8 [ 547.766301][T18360] el0_svc_common+0x130/0x23c [ 547.766307][T18360] do_el0_svc+0x48/0x58 [ 547.766312][T18360] el0_svc+0x5c/0x254 [ 547.766319][T18360] el0t_64_sync_handler+0x84/0x12c [ 547.766325][T18360] el0t_64_sync+0x198/0x19c [ 547.785282][T18360] EXT4-fs error: 37 callbacks suppressed [ 547.786211][T18360] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 547.867395][T18363] loop0: detected capacity change from 0 to 32768 [ 547.869270][T18363] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18363) [ 547.871995][T18363] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.872969][T18363] FAULT_INJECTION: forcing a failure. [ 547.872969][T18363] name failslab, interval 1, probability 0, space 0, times 0 [ 547.872983][T18363] CPU: 0 UID: 0 PID: 18363 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.872991][T18363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.872996][T18363] Call trace: [ 547.872999][T18363] show_stack+0x2c/0x3c (C) [ 547.873011][T18363] __dump_stack+0x30/0x40 [ 547.873017][T18363] dump_stack_lvl+0xd8/0x12c [ 547.873022][T18363] dump_stack+0x1c/0x28 [ 547.873027][T18363] should_fail_ex+0x41c/0x594 [ 547.873035][T18363] should_failslab+0xc0/0x128 [ 547.873042][T18363] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.873050][T18363] jbd2__journal_start+0x14c/0x51c [ 547.873057][T18363] __ext4_journal_start_sb+0x378/0x88c [ 547.873064][T18363] ext4_zero_range+0x648/0xbc4 [ 547.873070][T18363] ext4_fallocate+0x300/0x384 [ 547.873076][T18363] vfs_fallocate+0x52c/0x668 [ 547.873082][T18363] file_ioctl+0x584/0x75c [ 547.873088][T18363] do_vfs_ioctl+0xa10/0x1834 [ 547.873094][T18363] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.873100][T18363] invoke_syscall+0x98/0x2b8 [ 547.873105][T18363] el0_svc_common+0x130/0x23c [ 547.873110][T18363] do_el0_svc+0x48/0x58 [ 547.873115][T18363] el0_svc+0x5c/0x254 [ 547.873123][T18363] el0t_64_sync_handler+0x84/0x12c [ 547.873129][T18363] el0t_64_sync+0x198/0x19c [ 547.873138][T18363] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 547.955384][T18364] loop0: detected capacity change from 0 to 32768 [ 547.956811][T18364] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18364) [ 547.956936][T18364] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 547.979910][T18364] FAULT_INJECTION: forcing a failure. [ 547.979910][T18364] name failslab, interval 1, probability 0, space 0, times 0 [ 547.982283][T18364] CPU: 1 UID: 0 PID: 18364 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 547.982301][T18364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 547.982306][T18364] Call trace: [ 547.982309][T18364] show_stack+0x2c/0x3c (C) [ 547.982323][T18364] __dump_stack+0x30/0x40 [ 547.982329][T18364] dump_stack_lvl+0xd8/0x12c [ 547.982334][T18364] dump_stack+0x1c/0x28 [ 547.982339][T18364] should_fail_ex+0x41c/0x594 [ 547.982347][T18364] should_failslab+0xc0/0x128 [ 547.982354][T18364] kmem_cache_alloc_noprof+0x80/0x3e8 [ 547.982362][T18364] jbd2__journal_start+0x14c/0x51c [ 547.982369][T18364] __ext4_journal_start_sb+0x378/0x88c [ 547.982375][T18364] ext4_zero_range+0x648/0xbc4 [ 547.982381][T18364] ext4_fallocate+0x300/0x384 [ 547.982387][T18364] vfs_fallocate+0x52c/0x668 [ 547.982393][T18364] file_ioctl+0x584/0x75c [ 547.982399][T18364] do_vfs_ioctl+0xa10/0x1834 [ 547.982405][T18364] __arm64_sys_ioctl+0xe4/0x1c4 [ 547.982410][T18364] invoke_syscall+0x98/0x2b8 [ 547.982416][T18364] el0_svc_common+0x130/0x23c [ 547.982421][T18364] do_el0_svc+0x48/0x58 [ 547.982426][T18364] el0_svc+0x5c/0x254 [ 547.982433][T18364] el0t_64_sync_handler+0x84/0x12c [ 547.982439][T18364] el0t_64_sync+0x198/0x19c [ 547.990373][T18364] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.067981][T18366] loop0: detected capacity change from 0 to 32768 [ 548.071148][T18366] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.071830][T18366] FAULT_INJECTION: forcing a failure. [ 548.071830][T18366] name failslab, interval 1, probability 0, space 0, times 0 [ 548.071843][T18366] CPU: 0 UID: 0 PID: 18366 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.071851][T18366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.071855][T18366] Call trace: [ 548.071858][T18366] show_stack+0x2c/0x3c (C) [ 548.071871][T18366] __dump_stack+0x30/0x40 [ 548.071882][T18366] dump_stack_lvl+0xd8/0x12c [ 548.071888][T18366] dump_stack+0x1c/0x28 [ 548.071893][T18366] should_fail_ex+0x41c/0x594 [ 548.071901][T18366] should_failslab+0xc0/0x128 [ 548.071909][T18366] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.071916][T18366] jbd2__journal_start+0x14c/0x51c [ 548.071924][T18366] __ext4_journal_start_sb+0x378/0x88c [ 548.071931][T18366] ext4_zero_range+0x648/0xbc4 [ 548.071937][T18366] ext4_fallocate+0x300/0x384 [ 548.071944][T18366] vfs_fallocate+0x52c/0x668 [ 548.071950][T18366] file_ioctl+0x584/0x75c [ 548.071956][T18366] do_vfs_ioctl+0xa10/0x1834 [ 548.071961][T18366] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.071967][T18366] invoke_syscall+0x98/0x2b8 [ 548.071973][T18366] el0_svc_common+0x130/0x23c [ 548.071978][T18366] do_el0_svc+0x48/0x58 [ 548.071982][T18366] el0_svc+0x5c/0x254 [ 548.071990][T18366] el0t_64_sync_handler+0x84/0x12c [ 548.071997][T18366] el0t_64_sync+0x198/0x19c [ 548.072006][T18366] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.155691][T18367] loop0: detected capacity change from 0 to 32768 [ 548.157694][T18367] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18367) [ 548.157806][T18367] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.179662][T18367] FAULT_INJECTION: forcing a failure. [ 548.179662][T18367] name failslab, interval 1, probability 0, space 0, times 0 [ 548.181829][T18367] CPU: 1 UID: 0 PID: 18367 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.181840][T18367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.181846][T18367] Call trace: [ 548.181849][T18367] show_stack+0x2c/0x3c (C) [ 548.181865][T18367] __dump_stack+0x30/0x40 [ 548.181871][T18367] dump_stack_lvl+0xd8/0x12c [ 548.181877][T18367] dump_stack+0x1c/0x28 [ 548.181882][T18367] should_fail_ex+0x41c/0x594 [ 548.181894][T18367] should_failslab+0xc0/0x128 [ 548.181901][T18367] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.181909][T18367] jbd2__journal_start+0x14c/0x51c [ 548.181918][T18367] __ext4_journal_start_sb+0x378/0x88c [ 548.181924][T18367] ext4_zero_range+0x648/0xbc4 [ 548.181930][T18367] ext4_fallocate+0x300/0x384 [ 548.181936][T18367] vfs_fallocate+0x52c/0x668 [ 548.181942][T18367] file_ioctl+0x584/0x75c [ 548.181948][T18367] do_vfs_ioctl+0xa10/0x1834 [ 548.181954][T18367] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.181959][T18367] invoke_syscall+0x98/0x2b8 [ 548.181965][T18367] el0_svc_common+0x130/0x23c [ 548.181970][T18367] do_el0_svc+0x48/0x58 [ 548.181975][T18367] el0_svc+0x5c/0x254 [ 548.181982][T18367] el0t_64_sync_handler+0x84/0x12c [ 548.181988][T18367] el0t_64_sync+0x198/0x19c [ 548.199693][T18367] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.269590][T18369] loop0: detected capacity change from 0 to 32768 [ 548.271258][T18369] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.273169][T18369] FAULT_INJECTION: forcing a failure. [ 548.273169][T18369] name failslab, interval 1, probability 0, space 0, times 0 [ 548.273210][T18369] CPU: 1 UID: 0 PID: 18369 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.273220][T18369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.273224][T18369] Call trace: [ 548.273227][T18369] show_stack+0x2c/0x3c (C) [ 548.273239][T18369] __dump_stack+0x30/0x40 [ 548.273245][T18369] dump_stack_lvl+0xd8/0x12c [ 548.273250][T18369] dump_stack+0x1c/0x28 [ 548.273255][T18369] should_fail_ex+0x41c/0x594 [ 548.273263][T18369] should_failslab+0xc0/0x128 [ 548.273270][T18369] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.273278][T18369] jbd2__journal_start+0x14c/0x51c [ 548.273285][T18369] __ext4_journal_start_sb+0x378/0x88c [ 548.273291][T18369] ext4_zero_range+0x648/0xbc4 [ 548.273297][T18369] ext4_fallocate+0x300/0x384 [ 548.273303][T18369] vfs_fallocate+0x52c/0x668 [ 548.273309][T18369] file_ioctl+0x584/0x75c [ 548.273315][T18369] do_vfs_ioctl+0xa10/0x1834 [ 548.273320][T18369] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.273326][T18369] invoke_syscall+0x98/0x2b8 [ 548.273331][T18369] el0_svc_common+0x130/0x23c [ 548.273336][T18369] do_el0_svc+0x48/0x58 [ 548.273341][T18369] el0_svc+0x5c/0x254 [ 548.273348][T18369] el0t_64_sync_handler+0x84/0x12c [ 548.273354][T18369] el0t_64_sync+0x198/0x19c [ 548.273363][T18369] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.366523][T18370] FAULT_INJECTION: forcing a failure. [ 548.366523][T18370] name failslab, interval 1, probability 0, space 0, times 0 [ 548.366563][T18370] CPU: 1 UID: 0 PID: 18370 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.366574][T18370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.366579][T18370] Call trace: [ 548.366582][T18370] show_stack+0x2c/0x3c (C) [ 548.366595][T18370] __dump_stack+0x30/0x40 [ 548.366601][T18370] dump_stack_lvl+0xd8/0x12c [ 548.366606][T18370] dump_stack+0x1c/0x28 [ 548.366611][T18370] should_fail_ex+0x41c/0x594 [ 548.366619][T18370] should_failslab+0xc0/0x128 [ 548.366626][T18370] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.366634][T18370] jbd2__journal_start+0x14c/0x51c [ 548.366641][T18370] __ext4_journal_start_sb+0x378/0x88c [ 548.366647][T18370] ext4_zero_range+0x648/0xbc4 [ 548.366653][T18370] ext4_fallocate+0x300/0x384 [ 548.366659][T18370] vfs_fallocate+0x52c/0x668 [ 548.366664][T18370] file_ioctl+0x584/0x75c [ 548.366670][T18370] do_vfs_ioctl+0xa10/0x1834 [ 548.366675][T18370] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.366681][T18370] invoke_syscall+0x98/0x2b8 [ 548.366686][T18370] el0_svc_common+0x130/0x23c [ 548.366691][T18370] do_el0_svc+0x48/0x58 [ 548.366696][T18370] el0_svc+0x5c/0x254 [ 548.366703][T18370] el0t_64_sync_handler+0x84/0x12c [ 548.366709][T18370] el0t_64_sync+0x198/0x19c [ 548.366718][T18370] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.457468][T18372] loop0: detected capacity change from 0 to 32768 [ 548.458667][T18372] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18372) [ 548.458774][T18372] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.459883][T18372] FAULT_INJECTION: forcing a failure. [ 548.459883][T18372] name failslab, interval 1, probability 0, space 0, times 0 [ 548.459902][T18372] CPU: 0 UID: 0 PID: 18372 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.459911][T18372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.459917][T18372] Call trace: [ 548.459920][T18372] show_stack+0x2c/0x3c (C) [ 548.459933][T18372] __dump_stack+0x30/0x40 [ 548.459940][T18372] dump_stack_lvl+0xd8/0x12c [ 548.459945][T18372] dump_stack+0x1c/0x28 [ 548.459950][T18372] should_fail_ex+0x41c/0x594 [ 548.459959][T18372] should_failslab+0xc0/0x128 [ 548.459966][T18372] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.459974][T18372] jbd2__journal_start+0x14c/0x51c [ 548.459981][T18372] __ext4_journal_start_sb+0x378/0x88c [ 548.459988][T18372] ext4_zero_range+0x648/0xbc4 [ 548.459994][T18372] ext4_fallocate+0x300/0x384 [ 548.460001][T18372] vfs_fallocate+0x52c/0x668 [ 548.460010][T18372] file_ioctl+0x584/0x75c [ 548.460016][T18372] do_vfs_ioctl+0xa10/0x1834 [ 548.460021][T18372] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.460027][T18372] invoke_syscall+0x98/0x2b8 [ 548.460033][T18372] el0_svc_common+0x130/0x23c [ 548.460038][T18372] do_el0_svc+0x48/0x58 [ 548.460043][T18372] el0_svc+0x5c/0x254 [ 548.460051][T18372] el0t_64_sync_handler+0x84/0x12c [ 548.460057][T18372] el0t_64_sync+0x198/0x19c [ 548.460113][T18372] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.546870][T18373] loop0: detected capacity change from 0 to 32768 [ 548.548162][T18373] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18373) [ 548.548420][T18373] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.583028][T18373] FAULT_INJECTION: forcing a failure. [ 548.583028][T18373] name failslab, interval 1, probability 0, space 0, times 0 [ 548.583063][T18373] CPU: 0 UID: 0 PID: 18373 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.583074][T18373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.583080][T18373] Call trace: [ 548.583083][T18373] show_stack+0x2c/0x3c (C) [ 548.583097][T18373] __dump_stack+0x30/0x40 [ 548.583103][T18373] dump_stack_lvl+0xd8/0x12c [ 548.583109][T18373] dump_stack+0x1c/0x28 [ 548.583114][T18373] should_fail_ex+0x41c/0x594 [ 548.583122][T18373] should_failslab+0xc0/0x128 [ 548.583129][T18373] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.583137][T18373] jbd2__journal_start+0x14c/0x51c [ 548.583144][T18373] __ext4_journal_start_sb+0x378/0x88c [ 548.583150][T18373] ext4_zero_range+0x648/0xbc4 [ 548.583157][T18373] ext4_fallocate+0x300/0x384 [ 548.583163][T18373] vfs_fallocate+0x52c/0x668 [ 548.583169][T18373] file_ioctl+0x584/0x75c [ 548.583175][T18373] do_vfs_ioctl+0xa10/0x1834 [ 548.583180][T18373] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.583186][T18373] invoke_syscall+0x98/0x2b8 [ 548.583192][T18373] el0_svc_common+0x130/0x23c [ 548.583197][T18373] do_el0_svc+0x48/0x58 [ 548.583201][T18373] el0_svc+0x5c/0x254 [ 548.583209][T18373] el0t_64_sync_handler+0x84/0x12c [ 548.583215][T18373] el0t_64_sync+0x198/0x19c [ 548.583241][T18373] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.664949][T18375] loop0: detected capacity change from 0 to 32768 [ 548.666297][T18375] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.690171][T18375] FAULT_INJECTION: forcing a failure. [ 548.690171][T18375] name failslab, interval 1, probability 0, space 0, times 0 [ 548.690197][T18375] CPU: 0 UID: 0 PID: 18375 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.690205][T18375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.690210][T18375] Call trace: [ 548.690213][T18375] show_stack+0x2c/0x3c (C) [ 548.690225][T18375] __dump_stack+0x30/0x40 [ 548.690232][T18375] dump_stack_lvl+0xd8/0x12c [ 548.690237][T18375] dump_stack+0x1c/0x28 [ 548.690242][T18375] should_fail_ex+0x41c/0x594 [ 548.690250][T18375] should_failslab+0xc0/0x128 [ 548.690257][T18375] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.690265][T18375] jbd2__journal_start+0x14c/0x51c [ 548.690272][T18375] __ext4_journal_start_sb+0x378/0x88c [ 548.690279][T18375] ext4_zero_range+0x648/0xbc4 [ 548.690285][T18375] ext4_fallocate+0x300/0x384 [ 548.690291][T18375] vfs_fallocate+0x52c/0x668 [ 548.690297][T18375] file_ioctl+0x584/0x75c [ 548.690303][T18375] do_vfs_ioctl+0xa10/0x1834 [ 548.690308][T18375] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.690314][T18375] invoke_syscall+0x98/0x2b8 [ 548.690320][T18375] el0_svc_common+0x130/0x23c [ 548.690325][T18375] do_el0_svc+0x48/0x58 [ 548.690330][T18375] el0_svc+0x5c/0x254 [ 548.690337][T18375] el0t_64_sync_handler+0x84/0x12c [ 548.690344][T18375] el0t_64_sync+0x198/0x19c [ 548.690353][T18375] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 548.771506][T18376] loop0: detected capacity change from 0 to 32768 [ 548.772349][T18376] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.797197][T18376] FAULT_INJECTION: forcing a failure. [ 548.797197][T18376] name failslab, interval 1, probability 0, space 0, times 0 [ 548.798582][T18376] CPU: 1 UID: 0 PID: 18376 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.798606][T18376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.798613][T18376] Call trace: [ 548.798617][T18376] show_stack+0x2c/0x3c (C) [ 548.798633][T18376] __dump_stack+0x30/0x40 [ 548.798641][T18376] dump_stack_lvl+0xd8/0x12c [ 548.798647][T18376] dump_stack+0x1c/0x28 [ 548.798652][T18376] should_fail_ex+0x41c/0x594 [ 548.798660][T18376] should_failslab+0xc0/0x128 [ 548.798668][T18376] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.798675][T18376] jbd2__journal_start+0x14c/0x51c [ 548.798683][T18376] __ext4_journal_start_sb+0x378/0x88c [ 548.798690][T18376] ext4_zero_range+0x648/0xbc4 [ 548.798696][T18376] ext4_fallocate+0x300/0x384 [ 548.798702][T18376] vfs_fallocate+0x52c/0x668 [ 548.798709][T18376] file_ioctl+0x584/0x75c [ 548.798714][T18376] do_vfs_ioctl+0xa10/0x1834 [ 548.798720][T18376] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.798725][T18376] invoke_syscall+0x98/0x2b8 [ 548.798731][T18376] el0_svc_common+0x130/0x23c [ 548.798736][T18376] do_el0_svc+0x48/0x58 [ 548.798740][T18376] el0_svc+0x5c/0x254 [ 548.798748][T18376] el0t_64_sync_handler+0x84/0x12c [ 548.798754][T18376] el0t_64_sync+0x198/0x19c [ 548.878377][T18377] loop0: detected capacity change from 0 to 32768 [ 548.880250][T18377] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.881210][T18377] FAULT_INJECTION: forcing a failure. [ 548.881210][T18377] name failslab, interval 1, probability 0, space 0, times 0 [ 548.881224][T18377] CPU: 1 UID: 0 PID: 18377 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.881232][T18377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.881236][T18377] Call trace: [ 548.881239][T18377] show_stack+0x2c/0x3c (C) [ 548.881252][T18377] __dump_stack+0x30/0x40 [ 548.881258][T18377] dump_stack_lvl+0xd8/0x12c [ 548.881263][T18377] dump_stack+0x1c/0x28 [ 548.881268][T18377] should_fail_ex+0x41c/0x594 [ 548.881277][T18377] should_failslab+0xc0/0x128 [ 548.881284][T18377] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.881292][T18377] jbd2__journal_start+0x14c/0x51c [ 548.881299][T18377] __ext4_journal_start_sb+0x378/0x88c [ 548.881306][T18377] ext4_zero_range+0x648/0xbc4 [ 548.881312][T18377] ext4_fallocate+0x300/0x384 [ 548.881318][T18377] vfs_fallocate+0x52c/0x668 [ 548.881324][T18377] file_ioctl+0x584/0x75c [ 548.881330][T18377] do_vfs_ioctl+0xa10/0x1834 [ 548.881336][T18377] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.881341][T18377] invoke_syscall+0x98/0x2b8 [ 548.881347][T18377] el0_svc_common+0x130/0x23c [ 548.881352][T18377] do_el0_svc+0x48/0x58 [ 548.881356][T18377] el0_svc+0x5c/0x254 [ 548.881364][T18377] el0t_64_sync_handler+0x84/0x12c [ 548.881371][T18377] el0t_64_sync+0x198/0x19c [ 548.968124][T18378] loop0: detected capacity change from 0 to 32768 [ 548.970450][T18378] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18378) [ 548.970552][T18378] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 548.992388][T18378] FAULT_INJECTION: forcing a failure. [ 548.992388][T18378] name failslab, interval 1, probability 0, space 0, times 0 [ 548.994659][T18378] CPU: 0 UID: 0 PID: 18378 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 548.994671][T18378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 548.994676][T18378] Call trace: [ 548.994680][T18378] show_stack+0x2c/0x3c (C) [ 548.994693][T18378] __dump_stack+0x30/0x40 [ 548.994699][T18378] dump_stack_lvl+0xd8/0x12c [ 548.994705][T18378] dump_stack+0x1c/0x28 [ 548.994710][T18378] should_fail_ex+0x41c/0x594 [ 548.994718][T18378] should_failslab+0xc0/0x128 [ 548.994725][T18378] kmem_cache_alloc_noprof+0x80/0x3e8 [ 548.994734][T18378] jbd2__journal_start+0x14c/0x51c [ 548.994741][T18378] __ext4_journal_start_sb+0x378/0x88c [ 548.994748][T18378] ext4_zero_range+0x648/0xbc4 [ 548.994754][T18378] ext4_fallocate+0x300/0x384 [ 548.994760][T18378] vfs_fallocate+0x52c/0x668 [ 548.994766][T18378] file_ioctl+0x584/0x75c [ 548.994772][T18378] do_vfs_ioctl+0xa10/0x1834 [ 548.994778][T18378] __arm64_sys_ioctl+0xe4/0x1c4 [ 548.994784][T18378] invoke_syscall+0x98/0x2b8 [ 548.994789][T18378] el0_svc_common+0x130/0x23c [ 548.994794][T18378] do_el0_svc+0x48/0x58 [ 548.994799][T18378] el0_svc+0x5c/0x254 [ 548.994807][T18378] el0t_64_sync_handler+0x84/0x12c [ 548.994813][T18378] el0t_64_sync+0x198/0x19c [ 549.087255][T18380] loop0: detected capacity change from 0 to 32768 [ 549.089423][T18380] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.090118][T18380] FAULT_INJECTION: forcing a failure. [ 549.090118][T18380] name failslab, interval 1, probability 0, space 0, times 0 [ 549.090136][T18380] CPU: 0 UID: 0 PID: 18380 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.090147][T18380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.090153][T18380] Call trace: [ 549.090157][T18380] show_stack+0x2c/0x3c (C) [ 549.090170][T18380] __dump_stack+0x30/0x40 [ 549.090176][T18380] dump_stack_lvl+0xd8/0x12c [ 549.090181][T18380] dump_stack+0x1c/0x28 [ 549.090186][T18380] should_fail_ex+0x41c/0x594 [ 549.090194][T18380] should_failslab+0xc0/0x128 [ 549.090201][T18380] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.090209][T18380] jbd2__journal_start+0x14c/0x51c [ 549.090216][T18380] __ext4_journal_start_sb+0x378/0x88c [ 549.090223][T18380] ext4_zero_range+0x648/0xbc4 [ 549.090229][T18380] ext4_fallocate+0x300/0x384 [ 549.090235][T18380] vfs_fallocate+0x52c/0x668 [ 549.090241][T18380] file_ioctl+0x584/0x75c [ 549.090247][T18380] do_vfs_ioctl+0xa10/0x1834 [ 549.090253][T18380] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.090258][T18380] invoke_syscall+0x98/0x2b8 [ 549.090264][T18380] el0_svc_common+0x130/0x23c [ 549.090269][T18380] do_el0_svc+0x48/0x58 [ 549.090273][T18380] el0_svc+0x5c/0x254 [ 549.090281][T18380] el0t_64_sync_handler+0x84/0x12c [ 549.090288][T18380] el0t_64_sync+0x198/0x19c [ 549.194161][T18382] loop0: detected capacity change from 0 to 32768 [ 549.195198][T18382] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18382) [ 549.195280][T18382] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.216171][T18382] FAULT_INJECTION: forcing a failure. [ 549.216171][T18382] name failslab, interval 1, probability 0, space 0, times 0 [ 549.216207][T18382] CPU: 1 UID: 0 PID: 18382 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.216217][T18382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.216222][T18382] Call trace: [ 549.216225][T18382] show_stack+0x2c/0x3c (C) [ 549.216237][T18382] __dump_stack+0x30/0x40 [ 549.216243][T18382] dump_stack_lvl+0xd8/0x12c [ 549.216248][T18382] dump_stack+0x1c/0x28 [ 549.216253][T18382] should_fail_ex+0x41c/0x594 [ 549.216261][T18382] should_failslab+0xc0/0x128 [ 549.216268][T18382] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.216276][T18382] jbd2__journal_start+0x14c/0x51c [ 549.216283][T18382] __ext4_journal_start_sb+0x378/0x88c [ 549.216290][T18382] ext4_zero_range+0x648/0xbc4 [ 549.216296][T18382] ext4_fallocate+0x300/0x384 [ 549.216302][T18382] vfs_fallocate+0x52c/0x668 [ 549.216308][T18382] file_ioctl+0x584/0x75c [ 549.216314][T18382] do_vfs_ioctl+0xa10/0x1834 [ 549.216319][T18382] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.216324][T18382] invoke_syscall+0x98/0x2b8 [ 549.216330][T18382] el0_svc_common+0x130/0x23c [ 549.216335][T18382] do_el0_svc+0x48/0x58 [ 549.216339][T18382] el0_svc+0x5c/0x254 [ 549.216347][T18382] el0t_64_sync_handler+0x84/0x12c [ 549.216353][T18382] el0t_64_sync+0x198/0x19c [ 549.304167][T18383] loop0: detected capacity change from 0 to 32768 [ 549.307522][T18383] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.308173][T18383] FAULT_INJECTION: forcing a failure. [ 549.308173][T18383] name failslab, interval 1, probability 0, space 0, times 0 [ 549.308186][T18383] CPU: 1 UID: 0 PID: 18383 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.308193][T18383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.308198][T18383] Call trace: [ 549.308200][T18383] show_stack+0x2c/0x3c (C) [ 549.308213][T18383] __dump_stack+0x30/0x40 [ 549.308219][T18383] dump_stack_lvl+0xd8/0x12c [ 549.308224][T18383] dump_stack+0x1c/0x28 [ 549.308229][T18383] should_fail_ex+0x41c/0x594 [ 549.308237][T18383] should_failslab+0xc0/0x128 [ 549.308244][T18383] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.308252][T18383] jbd2__journal_start+0x14c/0x51c [ 549.308259][T18383] __ext4_journal_start_sb+0x378/0x88c [ 549.308266][T18383] ext4_zero_range+0x648/0xbc4 [ 549.308272][T18383] ext4_fallocate+0x300/0x384 [ 549.308278][T18383] vfs_fallocate+0x52c/0x668 [ 549.308284][T18383] file_ioctl+0x584/0x75c [ 549.308290][T18383] do_vfs_ioctl+0xa10/0x1834 [ 549.308295][T18383] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.308301][T18383] invoke_syscall+0x98/0x2b8 [ 549.308306][T18383] el0_svc_common+0x130/0x23c [ 549.308311][T18383] do_el0_svc+0x48/0x58 [ 549.308316][T18383] el0_svc+0x5c/0x254 [ 549.308323][T18383] el0t_64_sync_handler+0x84/0x12c [ 549.308329][T18383] el0t_64_sync+0x198/0x19c [ 549.404942][T18385] loop0: detected capacity change from 0 to 32768 [ 549.407829][T18385] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18385) [ 549.407965][T18385] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.408590][T18385] FAULT_INJECTION: forcing a failure. [ 549.408590][T18385] name failslab, interval 1, probability 0, space 0, times 0 [ 549.408610][T18385] CPU: 0 UID: 0 PID: 18385 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.408621][T18385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.408628][T18385] Call trace: [ 549.408631][T18385] show_stack+0x2c/0x3c (C) [ 549.408648][T18385] __dump_stack+0x30/0x40 [ 549.408656][T18385] dump_stack_lvl+0xd8/0x12c [ 549.408661][T18385] dump_stack+0x1c/0x28 [ 549.408667][T18385] should_fail_ex+0x41c/0x594 [ 549.408678][T18385] should_failslab+0xc0/0x128 [ 549.408686][T18385] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.408694][T18385] jbd2__journal_start+0x14c/0x51c [ 549.408702][T18385] __ext4_journal_start_sb+0x378/0x88c [ 549.408709][T18385] ext4_zero_range+0x648/0xbc4 [ 549.408716][T18385] ext4_fallocate+0x300/0x384 [ 549.408722][T18385] vfs_fallocate+0x52c/0x668 [ 549.408728][T18385] file_ioctl+0x584/0x75c [ 549.408734][T18385] do_vfs_ioctl+0xa10/0x1834 [ 549.408740][T18385] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.408746][T18385] invoke_syscall+0x98/0x2b8 [ 549.408752][T18385] el0_svc_common+0x130/0x23c [ 549.408757][T18385] do_el0_svc+0x48/0x58 [ 549.408762][T18385] el0_svc+0x5c/0x254 [ 549.408769][T18385] el0t_64_sync_handler+0x84/0x12c [ 549.408776][T18385] el0t_64_sync+0x198/0x19c [ 549.500305][T18386] loop0: detected capacity change from 0 to 32768 [ 549.502519][T18386] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18386) [ 549.504869][T18386] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.506982][T18386] FAULT_INJECTION: forcing a failure. [ 549.506982][T18386] name failslab, interval 1, probability 0, space 0, times 0 [ 549.507236][T18386] CPU: 1 UID: 0 PID: 18386 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.507256][T18386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.507264][T18386] Call trace: [ 549.507268][T18386] show_stack+0x2c/0x3c (C) [ 549.507285][T18386] __dump_stack+0x30/0x40 [ 549.507295][T18386] dump_stack_lvl+0xd8/0x12c [ 549.507301][T18386] dump_stack+0x1c/0x28 [ 549.507306][T18386] should_fail_ex+0x41c/0x594 [ 549.507314][T18386] should_failslab+0xc0/0x128 [ 549.507321][T18386] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.507328][T18386] jbd2__journal_start+0x14c/0x51c [ 549.507336][T18386] __ext4_journal_start_sb+0x378/0x88c [ 549.507342][T18386] ext4_zero_range+0x648/0xbc4 [ 549.507348][T18386] ext4_fallocate+0x300/0x384 [ 549.507354][T18386] vfs_fallocate+0x52c/0x668 [ 549.507360][T18386] file_ioctl+0x584/0x75c [ 549.507366][T18386] do_vfs_ioctl+0xa10/0x1834 [ 549.507371][T18386] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.507376][T18386] invoke_syscall+0x98/0x2b8 [ 549.507382][T18386] el0_svc_common+0x130/0x23c [ 549.507387][T18386] do_el0_svc+0x48/0x58 [ 549.507391][T18386] el0_svc+0x5c/0x254 [ 549.507398][T18386] el0t_64_sync_handler+0x84/0x12c [ 549.507405][T18386] el0t_64_sync+0x198/0x19c [ 549.596081][T18388] loop0: detected capacity change from 0 to 32768 [ 549.599174][T18388] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18388) [ 549.599559][T18388] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.601826][T18388] FAULT_INJECTION: forcing a failure. [ 549.601826][T18388] name failslab, interval 1, probability 0, space 0, times 0 [ 549.601841][T18388] CPU: 1 UID: 0 PID: 18388 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.601848][T18388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.601852][T18388] Call trace: [ 549.601855][T18388] show_stack+0x2c/0x3c (C) [ 549.601867][T18388] __dump_stack+0x30/0x40 [ 549.601873][T18388] dump_stack_lvl+0xd8/0x12c [ 549.601878][T18388] dump_stack+0x1c/0x28 [ 549.601883][T18388] should_fail_ex+0x41c/0x594 [ 549.601896][T18388] should_failslab+0xc0/0x128 [ 549.601903][T18388] __kmalloc_noprof+0xf4/0x4c8 [ 549.601910][T18388] ext4_find_extent+0x1b0/0xa8c [ 549.601917][T18388] ext4_ext_map_blocks+0x258/0x5494 [ 549.601923][T18388] ext4_map_blocks+0x6f0/0x14a8 [ 549.601929][T18388] ext4_alloc_file_blocks+0x320/0xad4 [ 549.601935][T18388] ext4_zero_range+0x4ac/0xbc4 [ 549.601941][T18388] ext4_fallocate+0x300/0x384 [ 549.601947][T18388] vfs_fallocate+0x52c/0x668 [ 549.601953][T18388] file_ioctl+0x584/0x75c [ 549.601959][T18388] do_vfs_ioctl+0xa10/0x1834 [ 549.601964][T18388] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.601970][T18388] invoke_syscall+0x98/0x2b8 [ 549.601975][T18388] el0_svc_common+0x130/0x23c [ 549.601980][T18388] do_el0_svc+0x48/0x58 [ 549.601985][T18388] el0_svc+0x5c/0x254 [ 549.601992][T18388] el0t_64_sync_handler+0x84/0x12c [ 549.601998][T18388] el0t_64_sync+0x198/0x19c [ 549.683870][T18390] loop0: detected capacity change from 0 to 32768 [ 549.685306][T18390] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18390) [ 549.685818][T18390] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.711976][T18390] FAULT_INJECTION: forcing a failure. [ 549.711976][T18390] name failslab, interval 1, probability 0, space 0, times 0 [ 549.715026][T18390] CPU: 1 UID: 0 PID: 18390 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.715050][T18390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.715057][T18390] Call trace: [ 549.715061][T18390] show_stack+0x2c/0x3c (C) [ 549.715077][T18390] __dump_stack+0x30/0x40 [ 549.715087][T18390] dump_stack_lvl+0xd8/0x12c [ 549.715094][T18390] dump_stack+0x1c/0x28 [ 549.715099][T18390] should_fail_ex+0x41c/0x594 [ 549.715108][T18390] should_failslab+0xc0/0x128 [ 549.715115][T18390] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.715122][T18390] jbd2__journal_start+0x14c/0x51c [ 549.715130][T18390] __ext4_journal_start_sb+0x378/0x88c [ 549.715137][T18390] ext4_zero_range+0x648/0xbc4 [ 549.715143][T18390] ext4_fallocate+0x300/0x384 [ 549.715149][T18390] vfs_fallocate+0x52c/0x668 [ 549.715155][T18390] file_ioctl+0x584/0x75c [ 549.715161][T18390] do_vfs_ioctl+0xa10/0x1834 [ 549.715166][T18390] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.715172][T18390] invoke_syscall+0x98/0x2b8 [ 549.715178][T18390] el0_svc_common+0x130/0x23c [ 549.715183][T18390] do_el0_svc+0x48/0x58 [ 549.715187][T18390] el0_svc+0x5c/0x254 [ 549.715195][T18390] el0t_64_sync_handler+0x84/0x12c [ 549.715202][T18390] el0t_64_sync+0x198/0x19c [ 549.800274][T18392] loop0: detected capacity change from 0 to 32768 [ 549.803127][T18392] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.804081][T18392] FAULT_INJECTION: forcing a failure. [ 549.804081][T18392] name failslab, interval 1, probability 0, space 0, times 0 [ 549.804094][T18392] CPU: 1 UID: 0 PID: 18392 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.804101][T18392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.804106][T18392] Call trace: [ 549.804109][T18392] show_stack+0x2c/0x3c (C) [ 549.804120][T18392] __dump_stack+0x30/0x40 [ 549.804126][T18392] dump_stack_lvl+0xd8/0x12c [ 549.804131][T18392] dump_stack+0x1c/0x28 [ 549.804136][T18392] should_fail_ex+0x41c/0x594 [ 549.804144][T18392] should_failslab+0xc0/0x128 [ 549.804151][T18392] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.804158][T18392] jbd2__journal_start+0x14c/0x51c [ 549.804166][T18392] __ext4_journal_start_sb+0x378/0x88c [ 549.804172][T18392] ext4_zero_range+0x648/0xbc4 [ 549.804178][T18392] ext4_fallocate+0x300/0x384 [ 549.804184][T18392] vfs_fallocate+0x52c/0x668 [ 549.804190][T18392] file_ioctl+0x584/0x75c [ 549.804196][T18392] do_vfs_ioctl+0xa10/0x1834 [ 549.804201][T18392] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.804207][T18392] invoke_syscall+0x98/0x2b8 [ 549.804212][T18392] el0_svc_common+0x130/0x23c [ 549.804217][T18392] do_el0_svc+0x48/0x58 [ 549.804222][T18392] el0_svc+0x5c/0x254 [ 549.804229][T18392] el0t_64_sync_handler+0x84/0x12c [ 549.804236][T18392] el0t_64_sync+0x198/0x19c [ 549.893372][T18393] loop0: detected capacity change from 0 to 32768 [ 549.895406][T18393] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18393) [ 549.895582][T18393] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.896193][T18393] FAULT_INJECTION: forcing a failure. [ 549.896193][T18393] name failslab, interval 1, probability 0, space 0, times 0 [ 549.896206][T18393] CPU: 1 UID: 0 PID: 18393 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.896213][T18393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.896217][T18393] Call trace: [ 549.896220][T18393] show_stack+0x2c/0x3c (C) [ 549.896233][T18393] __dump_stack+0x30/0x40 [ 549.896239][T18393] dump_stack_lvl+0xd8/0x12c [ 549.896244][T18393] dump_stack+0x1c/0x28 [ 549.896248][T18393] should_fail_ex+0x41c/0x594 [ 549.896256][T18393] should_failslab+0xc0/0x128 [ 549.896264][T18393] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.896271][T18393] jbd2__journal_start+0x14c/0x51c [ 549.896278][T18393] __ext4_journal_start_sb+0x378/0x88c [ 549.896285][T18393] ext4_zero_range+0x648/0xbc4 [ 549.896291][T18393] ext4_fallocate+0x300/0x384 [ 549.896297][T18393] vfs_fallocate+0x52c/0x668 [ 549.896303][T18393] file_ioctl+0x584/0x75c [ 549.896309][T18393] do_vfs_ioctl+0xa10/0x1834 [ 549.896314][T18393] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.896320][T18393] invoke_syscall+0x98/0x2b8 [ 549.896325][T18393] el0_svc_common+0x130/0x23c [ 549.896330][T18393] do_el0_svc+0x48/0x58 [ 549.896335][T18393] el0_svc+0x5c/0x254 [ 549.896343][T18393] el0t_64_sync_handler+0x84/0x12c [ 549.896349][T18393] el0t_64_sync+0x198/0x19c [ 549.986768][T18395] loop0: detected capacity change from 0 to 32768 [ 549.988729][T18395] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18395) [ 549.988865][T18395] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 549.989549][T18395] FAULT_INJECTION: forcing a failure. [ 549.989549][T18395] name failslab, interval 1, probability 0, space 0, times 0 [ 549.989562][T18395] CPU: 1 UID: 0 PID: 18395 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 549.989569][T18395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 549.989573][T18395] Call trace: [ 549.989576][T18395] show_stack+0x2c/0x3c (C) [ 549.989589][T18395] __dump_stack+0x30/0x40 [ 549.989595][T18395] dump_stack_lvl+0xd8/0x12c [ 549.989600][T18395] dump_stack+0x1c/0x28 [ 549.989604][T18395] should_fail_ex+0x41c/0x594 [ 549.989612][T18395] should_failslab+0xc0/0x128 [ 549.989619][T18395] kmem_cache_alloc_noprof+0x80/0x3e8 [ 549.989627][T18395] jbd2__journal_start+0x14c/0x51c [ 549.989634][T18395] __ext4_journal_start_sb+0x378/0x88c [ 549.989640][T18395] ext4_zero_range+0x648/0xbc4 [ 549.989646][T18395] ext4_fallocate+0x300/0x384 [ 549.989652][T18395] vfs_fallocate+0x52c/0x668 [ 549.989658][T18395] file_ioctl+0x584/0x75c [ 549.989664][T18395] do_vfs_ioctl+0xa10/0x1834 [ 549.989669][T18395] __arm64_sys_ioctl+0xe4/0x1c4 [ 549.989675][T18395] invoke_syscall+0x98/0x2b8 [ 549.989680][T18395] el0_svc_common+0x130/0x23c [ 549.989685][T18395] do_el0_svc+0x48/0x58 [ 549.989690][T18395] el0_svc+0x5c/0x254 [ 549.989697][T18395] el0t_64_sync_handler+0x84/0x12c [ 549.989703][T18395] el0t_64_sync+0x198/0x19c [ 550.078497][T18397] loop0: detected capacity change from 0 to 32768 [ 550.080523][T18397] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18397) [ 550.082775][T18397] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.102664][T18397] FAULT_INJECTION: forcing a failure. [ 550.102664][T18397] name failslab, interval 1, probability 0, space 0, times 0 [ 550.104926][T18397] CPU: 0 UID: 0 PID: 18397 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.104937][T18397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.104942][T18397] Call trace: [ 550.104945][T18397] show_stack+0x2c/0x3c (C) [ 550.104957][T18397] __dump_stack+0x30/0x40 [ 550.104963][T18397] dump_stack_lvl+0xd8/0x12c [ 550.104968][T18397] dump_stack+0x1c/0x28 [ 550.104973][T18397] should_fail_ex+0x41c/0x594 [ 550.104981][T18397] should_failslab+0xc0/0x128 [ 550.104989][T18397] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.104997][T18397] jbd2__journal_start+0x14c/0x51c [ 550.105004][T18397] __ext4_journal_start_sb+0x378/0x88c [ 550.105011][T18397] ext4_zero_range+0x648/0xbc4 [ 550.105017][T18397] ext4_fallocate+0x300/0x384 [ 550.105023][T18397] vfs_fallocate+0x52c/0x668 [ 550.105030][T18397] file_ioctl+0x584/0x75c [ 550.105036][T18397] do_vfs_ioctl+0xa10/0x1834 [ 550.105042][T18397] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.105047][T18397] invoke_syscall+0x98/0x2b8 [ 550.105053][T18397] el0_svc_common+0x130/0x23c [ 550.105058][T18397] do_el0_svc+0x48/0x58 [ 550.105064][T18397] el0_svc+0x5c/0x254 [ 550.105071][T18397] el0t_64_sync_handler+0x84/0x12c [ 550.105078][T18397] el0t_64_sync+0x198/0x19c [ 550.199864][T18399] loop0: detected capacity change from 0 to 32768 [ 550.201919][T18399] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.202589][T18399] FAULT_INJECTION: forcing a failure. [ 550.202589][T18399] name failslab, interval 1, probability 0, space 0, times 0 [ 550.202603][T18399] CPU: 1 UID: 0 PID: 18399 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.202610][T18399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.202614][T18399] Call trace: [ 550.202617][T18399] show_stack+0x2c/0x3c (C) [ 550.202629][T18399] __dump_stack+0x30/0x40 [ 550.202635][T18399] dump_stack_lvl+0xd8/0x12c [ 550.202640][T18399] dump_stack+0x1c/0x28 [ 550.202645][T18399] should_fail_ex+0x41c/0x594 [ 550.202653][T18399] should_failslab+0xc0/0x128 [ 550.202660][T18399] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.202668][T18399] jbd2__journal_start+0x14c/0x51c [ 550.202675][T18399] __ext4_journal_start_sb+0x378/0x88c [ 550.202681][T18399] ext4_zero_range+0x648/0xbc4 [ 550.202687][T18399] ext4_fallocate+0x300/0x384 [ 550.202693][T18399] vfs_fallocate+0x52c/0x668 [ 550.202699][T18399] file_ioctl+0x584/0x75c [ 550.202705][T18399] do_vfs_ioctl+0xa10/0x1834 [ 550.202710][T18399] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.202716][T18399] invoke_syscall+0x98/0x2b8 [ 550.202721][T18399] el0_svc_common+0x130/0x23c [ 550.202726][T18399] do_el0_svc+0x48/0x58 [ 550.202731][T18399] el0_svc+0x5c/0x254 [ 550.202738][T18399] el0t_64_sync_handler+0x84/0x12c [ 550.202745][T18399] el0t_64_sync+0x198/0x19c [ 550.314954][T18400] FAULT_INJECTION: forcing a failure. [ 550.314954][T18400] name failslab, interval 1, probability 0, space 0, times 0 [ 550.315896][T18400] CPU: 1 UID: 0 PID: 18400 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.315916][T18400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.315921][T18400] Call trace: [ 550.315925][T18400] show_stack+0x2c/0x3c (C) [ 550.315942][T18400] __dump_stack+0x30/0x40 [ 550.315951][T18400] dump_stack_lvl+0xd8/0x12c [ 550.315958][T18400] dump_stack+0x1c/0x28 [ 550.315964][T18400] should_fail_ex+0x41c/0x594 [ 550.315972][T18400] should_failslab+0xc0/0x128 [ 550.315979][T18400] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.315987][T18400] jbd2__journal_start+0x14c/0x51c [ 550.315994][T18400] __ext4_journal_start_sb+0x378/0x88c [ 550.316001][T18400] ext4_zero_range+0x648/0xbc4 [ 550.316007][T18400] ext4_fallocate+0x300/0x384 [ 550.316013][T18400] vfs_fallocate+0x52c/0x668 [ 550.316019][T18400] file_ioctl+0x584/0x75c [ 550.316025][T18400] do_vfs_ioctl+0xa10/0x1834 [ 550.316030][T18400] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.316036][T18400] invoke_syscall+0x98/0x2b8 [ 550.316042][T18400] el0_svc_common+0x130/0x23c [ 550.316047][T18400] do_el0_svc+0x48/0x58 [ 550.316051][T18400] el0_svc+0x5c/0x254 [ 550.316059][T18400] el0t_64_sync_handler+0x84/0x12c [ 550.316065][T18400] el0t_64_sync+0x198/0x19c [ 550.396107][T18402] loop0: detected capacity change from 0 to 32768 [ 550.397397][T18402] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18402) [ 550.397557][T18402] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.398236][T18402] FAULT_INJECTION: forcing a failure. [ 550.398236][T18402] name failslab, interval 1, probability 0, space 0, times 0 [ 550.398257][T18402] CPU: 0 UID: 0 PID: 18402 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.398266][T18402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.398270][T18402] Call trace: [ 550.398273][T18402] show_stack+0x2c/0x3c (C) [ 550.398286][T18402] __dump_stack+0x30/0x40 [ 550.398292][T18402] dump_stack_lvl+0xd8/0x12c [ 550.398297][T18402] dump_stack+0x1c/0x28 [ 550.398302][T18402] should_fail_ex+0x41c/0x594 [ 550.398310][T18402] should_failslab+0xc0/0x128 [ 550.398318][T18402] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.398326][T18402] jbd2__journal_start+0x14c/0x51c [ 550.398333][T18402] __ext4_journal_start_sb+0x378/0x88c [ 550.398340][T18402] ext4_zero_range+0x648/0xbc4 [ 550.398349][T18402] ext4_fallocate+0x300/0x384 [ 550.398355][T18402] vfs_fallocate+0x52c/0x668 [ 550.398361][T18402] file_ioctl+0x584/0x75c [ 550.398367][T18402] do_vfs_ioctl+0xa10/0x1834 [ 550.398373][T18402] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.398378][T18402] invoke_syscall+0x98/0x2b8 [ 550.398384][T18402] el0_svc_common+0x130/0x23c [ 550.398390][T18402] do_el0_svc+0x48/0x58 [ 550.398395][T18402] el0_svc+0x5c/0x254 [ 550.398402][T18402] el0t_64_sync_handler+0x84/0x12c [ 550.398408][T18402] el0t_64_sync+0x198/0x19c [ 550.487666][T18403] loop0: detected capacity change from 0 to 32768 [ 550.490939][T18403] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18403) [ 550.491061][T18403] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.491712][T18403] FAULT_INJECTION: forcing a failure. [ 550.491712][T18403] name failslab, interval 1, probability 0, space 0, times 0 [ 550.491725][T18403] CPU: 1 UID: 0 PID: 18403 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.491732][T18403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.491737][T18403] Call trace: [ 550.491739][T18403] show_stack+0x2c/0x3c (C) [ 550.491751][T18403] __dump_stack+0x30/0x40 [ 550.491757][T18403] dump_stack_lvl+0xd8/0x12c [ 550.491762][T18403] dump_stack+0x1c/0x28 [ 550.491767][T18403] should_fail_ex+0x41c/0x594 [ 550.491775][T18403] should_failslab+0xc0/0x128 [ 550.491782][T18403] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.491789][T18403] jbd2__journal_start+0x14c/0x51c [ 550.491796][T18403] __ext4_journal_start_sb+0x378/0x88c [ 550.491803][T18403] ext4_zero_range+0x648/0xbc4 [ 550.491809][T18403] ext4_fallocate+0x300/0x384 [ 550.491814][T18403] vfs_fallocate+0x52c/0x668 [ 550.491820][T18403] file_ioctl+0x584/0x75c [ 550.491826][T18403] do_vfs_ioctl+0xa10/0x1834 [ 550.491831][T18403] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.491837][T18403] invoke_syscall+0x98/0x2b8 [ 550.491842][T18403] el0_svc_common+0x130/0x23c [ 550.491847][T18403] do_el0_svc+0x48/0x58 [ 550.491852][T18403] el0_svc+0x5c/0x254 [ 550.491859][T18403] el0t_64_sync_handler+0x84/0x12c [ 550.491866][T18403] el0t_64_sync+0x198/0x19c [ 550.588121][T18406] loop0: detected capacity change from 0 to 32768 [ 550.589322][T18406] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18406) [ 550.589467][T18406] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.590354][T18406] FAULT_INJECTION: forcing a failure. [ 550.590354][T18406] name failslab, interval 1, probability 0, space 0, times 0 [ 550.590368][T18406] CPU: 1 UID: 0 PID: 18406 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.590375][T18406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.590380][T18406] Call trace: [ 550.590382][T18406] show_stack+0x2c/0x3c (C) [ 550.590395][T18406] __dump_stack+0x30/0x40 [ 550.590401][T18406] dump_stack_lvl+0xd8/0x12c [ 550.590406][T18406] dump_stack+0x1c/0x28 [ 550.590410][T18406] should_fail_ex+0x41c/0x594 [ 550.590419][T18406] should_failslab+0xc0/0x128 [ 550.590426][T18406] __kmalloc_noprof+0xf4/0x4c8 [ 550.590433][T18406] ext4_find_extent+0x1b0/0xa8c [ 550.590439][T18406] ext4_ext_map_blocks+0x258/0x5494 [ 550.590445][T18406] ext4_map_blocks+0x6f0/0x14a8 [ 550.590451][T18406] ext4_alloc_file_blocks+0x320/0xad4 [ 550.590457][T18406] ext4_zero_range+0x4ac/0xbc4 [ 550.590463][T18406] ext4_fallocate+0x300/0x384 [ 550.590469][T18406] vfs_fallocate+0x52c/0x668 [ 550.590475][T18406] file_ioctl+0x584/0x75c [ 550.590481][T18406] do_vfs_ioctl+0xa10/0x1834 [ 550.590486][T18406] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.590492][T18406] invoke_syscall+0x98/0x2b8 [ 550.590497][T18406] el0_svc_common+0x130/0x23c [ 550.590502][T18406] do_el0_svc+0x48/0x58 [ 550.590507][T18406] el0_svc+0x5c/0x254 [ 550.590515][T18406] el0t_64_sync_handler+0x84/0x12c [ 550.590521][T18406] el0t_64_sync+0x198/0x19c [ 550.672029][T18407] loop0: detected capacity change from 0 to 32768 [ 550.673204][T18407] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18407) [ 550.673827][T18407] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.704470][T18407] FAULT_INJECTION: forcing a failure. [ 550.704470][T18407] name failslab, interval 1, probability 0, space 0, times 0 [ 550.704609][T18407] CPU: 1 UID: 0 PID: 18407 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.704618][T18407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.704625][T18407] Call trace: [ 550.704628][T18407] show_stack+0x2c/0x3c (C) [ 550.704642][T18407] __dump_stack+0x30/0x40 [ 550.704648][T18407] dump_stack_lvl+0xd8/0x12c [ 550.704653][T18407] dump_stack+0x1c/0x28 [ 550.704658][T18407] should_fail_ex+0x41c/0x594 [ 550.704666][T18407] should_failslab+0xc0/0x128 [ 550.704674][T18407] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.704682][T18407] jbd2__journal_start+0x14c/0x51c [ 550.704689][T18407] __ext4_journal_start_sb+0x378/0x88c [ 550.704695][T18407] ext4_zero_range+0x648/0xbc4 [ 550.704701][T18407] ext4_fallocate+0x300/0x384 [ 550.704707][T18407] vfs_fallocate+0x52c/0x668 [ 550.704713][T18407] file_ioctl+0x584/0x75c [ 550.704718][T18407] do_vfs_ioctl+0xa10/0x1834 [ 550.704724][T18407] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.704730][T18407] invoke_syscall+0x98/0x2b8 [ 550.704735][T18407] el0_svc_common+0x130/0x23c [ 550.704740][T18407] do_el0_svc+0x48/0x58 [ 550.704745][T18407] el0_svc+0x5c/0x254 [ 550.704752][T18407] el0t_64_sync_handler+0x84/0x12c [ 550.704759][T18407] el0t_64_sync+0x198/0x19c [ 550.792191][T18409] loop0: detected capacity change from 0 to 32768 [ 550.795253][T18409] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.797561][T18409] FAULT_INJECTION: forcing a failure. [ 550.797561][T18409] name failslab, interval 1, probability 0, space 0, times 0 [ 550.798065][T18409] CPU: 1 UID: 0 PID: 18409 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.798086][T18409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.798093][T18409] Call trace: [ 550.798097][T18409] show_stack+0x2c/0x3c (C) [ 550.798115][T18409] __dump_stack+0x30/0x40 [ 550.798125][T18409] dump_stack_lvl+0xd8/0x12c [ 550.798131][T18409] dump_stack+0x1c/0x28 [ 550.798136][T18409] should_fail_ex+0x41c/0x594 [ 550.798145][T18409] should_failslab+0xc0/0x128 [ 550.798152][T18409] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.798159][T18409] jbd2__journal_start+0x14c/0x51c [ 550.798166][T18409] __ext4_journal_start_sb+0x378/0x88c [ 550.798172][T18409] ext4_zero_range+0x648/0xbc4 [ 550.798179][T18409] ext4_fallocate+0x300/0x384 [ 550.798185][T18409] vfs_fallocate+0x52c/0x668 [ 550.798190][T18409] file_ioctl+0x584/0x75c [ 550.798196][T18409] do_vfs_ioctl+0xa10/0x1834 [ 550.798201][T18409] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.798207][T18409] invoke_syscall+0x98/0x2b8 [ 550.798212][T18409] el0_svc_common+0x130/0x23c [ 550.798217][T18409] do_el0_svc+0x48/0x58 [ 550.798222][T18409] el0_svc+0x5c/0x254 [ 550.798230][T18409] el0t_64_sync_handler+0x84/0x12c [ 550.798236][T18409] el0t_64_sync+0x198/0x19c [ 550.885074][T18410] loop0: detected capacity change from 0 to 32768 [ 550.887218][T18410] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18410) [ 550.887342][T18410] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.891277][T18410] FAULT_INJECTION: forcing a failure. [ 550.891277][T18410] name failslab, interval 1, probability 0, space 0, times 0 [ 550.893205][T18410] CPU: 0 UID: 0 PID: 18410 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.893228][T18410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.893234][T18410] Call trace: [ 550.893238][T18410] show_stack+0x2c/0x3c (C) [ 550.893255][T18410] __dump_stack+0x30/0x40 [ 550.893262][T18410] dump_stack_lvl+0xd8/0x12c [ 550.893268][T18410] dump_stack+0x1c/0x28 [ 550.893273][T18410] should_fail_ex+0x41c/0x594 [ 550.893281][T18410] should_failslab+0xc0/0x128 [ 550.893287][T18410] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.893295][T18410] jbd2__journal_start+0x14c/0x51c [ 550.893302][T18410] __ext4_journal_start_sb+0x378/0x88c [ 550.893308][T18410] ext4_zero_range+0x648/0xbc4 [ 550.893314][T18410] ext4_fallocate+0x300/0x384 [ 550.893320][T18410] vfs_fallocate+0x52c/0x668 [ 550.893325][T18410] file_ioctl+0x584/0x75c [ 550.893331][T18410] do_vfs_ioctl+0xa10/0x1834 [ 550.893336][T18410] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.893342][T18410] invoke_syscall+0x98/0x2b8 [ 550.893347][T18410] el0_svc_common+0x130/0x23c [ 550.893352][T18410] do_el0_svc+0x48/0x58 [ 550.893357][T18410] el0_svc+0x5c/0x254 [ 550.893364][T18410] el0t_64_sync_handler+0x84/0x12c [ 550.893370][T18410] el0t_64_sync+0x198/0x19c [ 550.989345][T18413] loop0: detected capacity change from 0 to 32768 [ 550.992875][T18413] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18413) [ 550.993029][T18413] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 550.993689][T18413] FAULT_INJECTION: forcing a failure. [ 550.993689][T18413] name failslab, interval 1, probability 0, space 0, times 0 [ 550.993701][T18413] CPU: 1 UID: 0 PID: 18413 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 550.993709][T18413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 550.993714][T18413] Call trace: [ 550.993716][T18413] show_stack+0x2c/0x3c (C) [ 550.993730][T18413] __dump_stack+0x30/0x40 [ 550.993736][T18413] dump_stack_lvl+0xd8/0x12c [ 550.993741][T18413] dump_stack+0x1c/0x28 [ 550.993746][T18413] should_fail_ex+0x41c/0x594 [ 550.993755][T18413] should_failslab+0xc0/0x128 [ 550.993762][T18413] kmem_cache_alloc_noprof+0x80/0x3e8 [ 550.993769][T18413] jbd2__journal_start+0x14c/0x51c [ 550.993776][T18413] __ext4_journal_start_sb+0x378/0x88c [ 550.993783][T18413] ext4_zero_range+0x648/0xbc4 [ 550.993789][T18413] ext4_fallocate+0x300/0x384 [ 550.993795][T18413] vfs_fallocate+0x52c/0x668 [ 550.993801][T18413] file_ioctl+0x584/0x75c [ 550.993807][T18413] do_vfs_ioctl+0xa10/0x1834 [ 550.993812][T18413] __arm64_sys_ioctl+0xe4/0x1c4 [ 550.993818][T18413] invoke_syscall+0x98/0x2b8 [ 550.993824][T18413] el0_svc_common+0x130/0x23c [ 550.993828][T18413] do_el0_svc+0x48/0x58 [ 550.993833][T18413] el0_svc+0x5c/0x254 [ 550.993841][T18413] el0t_64_sync_handler+0x84/0x12c [ 550.993847][T18413] el0t_64_sync+0x198/0x19c [ 551.085285][T18414] loop0: detected capacity change from 0 to 32768 [ 551.087308][T18414] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18414) [ 551.087408][T18414] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.109020][T18414] FAULT_INJECTION: forcing a failure. [ 551.109020][T18414] name failslab, interval 1, probability 0, space 0, times 0 [ 551.110139][T18414] CPU: 1 UID: 0 PID: 18414 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.110161][T18414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.110167][T18414] Call trace: [ 551.110170][T18414] show_stack+0x2c/0x3c (C) [ 551.110184][T18414] __dump_stack+0x30/0x40 [ 551.110190][T18414] dump_stack_lvl+0xd8/0x12c [ 551.110195][T18414] dump_stack+0x1c/0x28 [ 551.110199][T18414] should_fail_ex+0x41c/0x594 [ 551.110207][T18414] should_failslab+0xc0/0x128 [ 551.110215][T18414] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.110222][T18414] jbd2__journal_start+0x14c/0x51c [ 551.110229][T18414] __ext4_journal_start_sb+0x378/0x88c [ 551.110236][T18414] ext4_zero_range+0x648/0xbc4 [ 551.110242][T18414] ext4_fallocate+0x300/0x384 [ 551.110248][T18414] vfs_fallocate+0x52c/0x668 [ 551.110254][T18414] file_ioctl+0x584/0x75c [ 551.110259][T18414] do_vfs_ioctl+0xa10/0x1834 [ 551.110265][T18414] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.110270][T18414] invoke_syscall+0x98/0x2b8 [ 551.110275][T18414] el0_svc_common+0x130/0x23c [ 551.110280][T18414] do_el0_svc+0x48/0x58 [ 551.110285][T18414] el0_svc+0x5c/0x254 [ 551.110292][T18414] el0t_64_sync_handler+0x84/0x12c [ 551.110298][T18414] el0t_64_sync+0x198/0x19c [ 551.192834][T18416] loop0: detected capacity change from 0 to 32768 [ 551.194975][T18416] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.195594][T18416] FAULT_INJECTION: forcing a failure. [ 551.195594][T18416] name failslab, interval 1, probability 0, space 0, times 0 [ 551.195614][T18416] CPU: 0 UID: 0 PID: 18416 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.195625][T18416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.195632][T18416] Call trace: [ 551.195635][T18416] show_stack+0x2c/0x3c (C) [ 551.195651][T18416] __dump_stack+0x30/0x40 [ 551.195659][T18416] dump_stack_lvl+0xd8/0x12c [ 551.195664][T18416] dump_stack+0x1c/0x28 [ 551.195670][T18416] should_fail_ex+0x41c/0x594 [ 551.195678][T18416] should_failslab+0xc0/0x128 [ 551.195685][T18416] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.195692][T18416] jbd2__journal_start+0x14c/0x51c [ 551.195700][T18416] __ext4_journal_start_sb+0x378/0x88c [ 551.195706][T18416] ext4_zero_range+0x648/0xbc4 [ 551.195713][T18416] ext4_fallocate+0x300/0x384 [ 551.195718][T18416] vfs_fallocate+0x52c/0x668 [ 551.195725][T18416] file_ioctl+0x584/0x75c [ 551.195730][T18416] do_vfs_ioctl+0xa10/0x1834 [ 551.195736][T18416] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.195741][T18416] invoke_syscall+0x98/0x2b8 [ 551.195747][T18416] el0_svc_common+0x130/0x23c [ 551.195752][T18416] do_el0_svc+0x48/0x58 [ 551.195756][T18416] el0_svc+0x5c/0x254 [ 551.195764][T18416] el0t_64_sync_handler+0x84/0x12c [ 551.195770][T18416] el0t_64_sync+0x198/0x19c [ 551.296887][T18417] loop0: detected capacity change from 0 to 32768 [ 551.300753][T18417] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18417) [ 551.300885][T18417] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.302365][T18417] FAULT_INJECTION: forcing a failure. [ 551.302365][T18417] name failslab, interval 1, probability 0, space 0, times 0 [ 551.302618][T18417] CPU: 1 UID: 0 PID: 18417 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.302627][T18417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.302632][T18417] Call trace: [ 551.302634][T18417] show_stack+0x2c/0x3c (C) [ 551.302647][T18417] __dump_stack+0x30/0x40 [ 551.302654][T18417] dump_stack_lvl+0xd8/0x12c [ 551.302659][T18417] dump_stack+0x1c/0x28 [ 551.302664][T18417] should_fail_ex+0x41c/0x594 [ 551.302672][T18417] should_failslab+0xc0/0x128 [ 551.302679][T18417] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.302687][T18417] jbd2__journal_start+0x14c/0x51c [ 551.302694][T18417] __ext4_journal_start_sb+0x378/0x88c [ 551.302701][T18417] ext4_zero_range+0x648/0xbc4 [ 551.302707][T18417] ext4_fallocate+0x300/0x384 [ 551.302713][T18417] vfs_fallocate+0x52c/0x668 [ 551.302719][T18417] file_ioctl+0x584/0x75c [ 551.302725][T18417] do_vfs_ioctl+0xa10/0x1834 [ 551.302730][T18417] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.302736][T18417] invoke_syscall+0x98/0x2b8 [ 551.302742][T18417] el0_svc_common+0x130/0x23c [ 551.302747][T18417] do_el0_svc+0x48/0x58 [ 551.302751][T18417] el0_svc+0x5c/0x254 [ 551.302759][T18417] el0t_64_sync_handler+0x84/0x12c [ 551.302766][T18417] el0t_64_sync+0x198/0x19c [ 551.378337][T18419] loop0: detected capacity change from 0 to 32768 [ 551.379063][T18419] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18419) [ 551.379146][T18419] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.398181][T18419] FAULT_INJECTION: forcing a failure. [ 551.398181][T18419] name failslab, interval 1, probability 0, space 0, times 0 [ 551.398221][T18419] CPU: 1 UID: 0 PID: 18419 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.398231][T18419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.398237][T18419] Call trace: [ 551.398240][T18419] show_stack+0x2c/0x3c (C) [ 551.398252][T18419] __dump_stack+0x30/0x40 [ 551.398258][T18419] dump_stack_lvl+0xd8/0x12c [ 551.398263][T18419] dump_stack+0x1c/0x28 [ 551.398268][T18419] should_fail_ex+0x41c/0x594 [ 551.398276][T18419] should_failslab+0xc0/0x128 [ 551.398283][T18419] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.398291][T18419] jbd2__journal_start+0x14c/0x51c [ 551.398298][T18419] __ext4_journal_start_sb+0x378/0x88c [ 551.398304][T18419] ext4_zero_range+0x648/0xbc4 [ 551.398310][T18419] ext4_fallocate+0x300/0x384 [ 551.398316][T18419] vfs_fallocate+0x52c/0x668 [ 551.398322][T18419] file_ioctl+0x584/0x75c [ 551.398328][T18419] do_vfs_ioctl+0xa10/0x1834 [ 551.398334][T18419] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.398339][T18419] invoke_syscall+0x98/0x2b8 [ 551.398345][T18419] el0_svc_common+0x130/0x23c [ 551.398350][T18419] do_el0_svc+0x48/0x58 [ 551.398355][T18419] el0_svc+0x5c/0x254 [ 551.398362][T18419] el0t_64_sync_handler+0x84/0x12c [ 551.398368][T18419] el0t_64_sync+0x198/0x19c [ 551.492085][T18421] loop0: detected capacity change from 0 to 32768 [ 551.492940][T18421] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.523971][T18421] FAULT_INJECTION: forcing a failure. [ 551.523971][T18421] name failslab, interval 1, probability 0, space 0, times 0 [ 551.524003][T18421] CPU: 1 UID: 0 PID: 18421 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.524014][T18421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.524020][T18421] Call trace: [ 551.524023][T18421] show_stack+0x2c/0x3c (C) [ 551.524035][T18421] __dump_stack+0x30/0x40 [ 551.524041][T18421] dump_stack_lvl+0xd8/0x12c [ 551.524046][T18421] dump_stack+0x1c/0x28 [ 551.524051][T18421] should_fail_ex+0x41c/0x594 [ 551.524059][T18421] should_failslab+0xc0/0x128 [ 551.524066][T18421] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.524073][T18421] jbd2__journal_start+0x14c/0x51c [ 551.524080][T18421] __ext4_journal_start_sb+0x378/0x88c [ 551.524087][T18421] ext4_zero_range+0x648/0xbc4 [ 551.524093][T18421] ext4_fallocate+0x300/0x384 [ 551.524099][T18421] vfs_fallocate+0x52c/0x668 [ 551.524105][T18421] file_ioctl+0x584/0x75c [ 551.524111][T18421] do_vfs_ioctl+0xa10/0x1834 [ 551.524116][T18421] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.524122][T18421] invoke_syscall+0x98/0x2b8 [ 551.524127][T18421] el0_svc_common+0x130/0x23c [ 551.524132][T18421] do_el0_svc+0x48/0x58 [ 551.524137][T18421] el0_svc+0x5c/0x254 [ 551.524145][T18421] el0t_64_sync_handler+0x84/0x12c [ 551.524151][T18421] el0t_64_sync+0x198/0x19c [ 551.601958][T18422] loop0: detected capacity change from 0 to 32768 [ 551.602947][T18422] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.624402][T18422] FAULT_INJECTION: forcing a failure. [ 551.624402][T18422] name failslab, interval 1, probability 0, space 0, times 0 [ 551.626542][T18422] CPU: 0 UID: 0 PID: 18422 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.626567][T18422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.626572][T18422] Call trace: [ 551.626575][T18422] show_stack+0x2c/0x3c (C) [ 551.626588][T18422] __dump_stack+0x30/0x40 [ 551.626594][T18422] dump_stack_lvl+0xd8/0x12c [ 551.626599][T18422] dump_stack+0x1c/0x28 [ 551.626604][T18422] should_fail_ex+0x41c/0x594 [ 551.626612][T18422] should_failslab+0xc0/0x128 [ 551.626619][T18422] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.626626][T18422] jbd2__journal_start+0x14c/0x51c [ 551.626633][T18422] __ext4_journal_start_sb+0x378/0x88c [ 551.626640][T18422] ext4_zero_range+0x648/0xbc4 [ 551.626646][T18422] ext4_fallocate+0x300/0x384 [ 551.626652][T18422] vfs_fallocate+0x52c/0x668 [ 551.626658][T18422] file_ioctl+0x584/0x75c [ 551.626664][T18422] do_vfs_ioctl+0xa10/0x1834 [ 551.626669][T18422] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.626675][T18422] invoke_syscall+0x98/0x2b8 [ 551.626681][T18422] el0_svc_common+0x130/0x23c [ 551.626685][T18422] do_el0_svc+0x48/0x58 [ 551.626690][T18422] el0_svc+0x5c/0x254 [ 551.626697][T18422] el0t_64_sync_handler+0x84/0x12c [ 551.626704][T18422] el0t_64_sync+0x198/0x19c [ 551.708445][T18423] loop0: detected capacity change from 0 to 32768 [ 551.710959][T18423] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.711632][T18423] FAULT_INJECTION: forcing a failure. [ 551.711632][T18423] name failslab, interval 1, probability 0, space 0, times 0 [ 551.711660][T18423] CPU: 0 UID: 0 PID: 18423 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.711671][T18423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.711677][T18423] Call trace: [ 551.711681][T18423] show_stack+0x2c/0x3c (C) [ 551.711695][T18423] __dump_stack+0x30/0x40 [ 551.711703][T18423] dump_stack_lvl+0xd8/0x12c [ 551.711708][T18423] dump_stack+0x1c/0x28 [ 551.711713][T18423] should_fail_ex+0x41c/0x594 [ 551.711722][T18423] should_failslab+0xc0/0x128 [ 551.711729][T18423] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.711737][T18423] jbd2__journal_start+0x14c/0x51c [ 551.711744][T18423] __ext4_journal_start_sb+0x378/0x88c [ 551.711751][T18423] ext4_zero_range+0x648/0xbc4 [ 551.711757][T18423] ext4_fallocate+0x300/0x384 [ 551.711763][T18423] vfs_fallocate+0x52c/0x668 [ 551.711769][T18423] file_ioctl+0x584/0x75c [ 551.711775][T18423] do_vfs_ioctl+0xa10/0x1834 [ 551.711781][T18423] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.711787][T18423] invoke_syscall+0x98/0x2b8 [ 551.711793][T18423] el0_svc_common+0x130/0x23c [ 551.711798][T18423] do_el0_svc+0x48/0x58 [ 551.711803][T18423] el0_svc+0x5c/0x254 [ 551.711810][T18423] el0t_64_sync_handler+0x84/0x12c [ 551.711817][T18423] el0t_64_sync+0x198/0x19c [ 551.805480][T18425] loop0: detected capacity change from 0 to 32768 [ 551.807399][T18425] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18425) [ 551.809640][T18425] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.811881][T18425] FAULT_INJECTION: forcing a failure. [ 551.811881][T18425] name failslab, interval 1, probability 0, space 0, times 0 [ 551.814010][T18425] CPU: 1 UID: 0 PID: 18425 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.814038][T18425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.814052][T18425] Call trace: [ 551.814058][T18425] show_stack+0x2c/0x3c (C) [ 551.814072][T18425] __dump_stack+0x30/0x40 [ 551.814079][T18425] dump_stack_lvl+0xd8/0x12c [ 551.814084][T18425] dump_stack+0x1c/0x28 [ 551.814089][T18425] should_fail_ex+0x41c/0x594 [ 551.814097][T18425] should_failslab+0xc0/0x128 [ 551.814104][T18425] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.814112][T18425] jbd2__journal_start+0x14c/0x51c [ 551.814119][T18425] __ext4_journal_start_sb+0x378/0x88c [ 551.814125][T18425] ext4_zero_range+0x648/0xbc4 [ 551.814131][T18425] ext4_fallocate+0x300/0x384 [ 551.814137][T18425] vfs_fallocate+0x52c/0x668 [ 551.814143][T18425] file_ioctl+0x584/0x75c [ 551.814148][T18425] do_vfs_ioctl+0xa10/0x1834 [ 551.814154][T18425] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.814159][T18425] invoke_syscall+0x98/0x2b8 [ 551.814164][T18425] el0_svc_common+0x130/0x23c [ 551.814169][T18425] do_el0_svc+0x48/0x58 [ 551.814174][T18425] el0_svc+0x5c/0x254 [ 551.814181][T18425] el0t_64_sync_handler+0x84/0x12c [ 551.814188][T18425] el0t_64_sync+0x198/0x19c [ 551.897600][T18426] loop0: detected capacity change from 0 to 32768 [ 551.899835][T18426] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18426) [ 551.902200][T18426] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 551.921717][T18426] FAULT_INJECTION: forcing a failure. [ 551.921717][T18426] name failslab, interval 1, probability 0, space 0, times 0 [ 551.923778][T18426] CPU: 1 UID: 0 PID: 18426 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 551.923807][T18426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 551.923821][T18426] Call trace: [ 551.923825][T18426] show_stack+0x2c/0x3c (C) [ 551.923839][T18426] __dump_stack+0x30/0x40 [ 551.923845][T18426] dump_stack_lvl+0xd8/0x12c [ 551.923850][T18426] dump_stack+0x1c/0x28 [ 551.923855][T18426] should_fail_ex+0x41c/0x594 [ 551.923863][T18426] should_failslab+0xc0/0x128 [ 551.923870][T18426] kmem_cache_alloc_noprof+0x80/0x3e8 [ 551.923877][T18426] jbd2__journal_start+0x14c/0x51c [ 551.923885][T18426] __ext4_journal_start_sb+0x378/0x88c [ 551.923895][T18426] ext4_zero_range+0x648/0xbc4 [ 551.923900][T18426] ext4_fallocate+0x300/0x384 [ 551.923906][T18426] vfs_fallocate+0x52c/0x668 [ 551.923912][T18426] file_ioctl+0x584/0x75c [ 551.923918][T18426] do_vfs_ioctl+0xa10/0x1834 [ 551.923924][T18426] __arm64_sys_ioctl+0xe4/0x1c4 [ 551.923929][T18426] invoke_syscall+0x98/0x2b8 [ 551.923935][T18426] el0_svc_common+0x130/0x23c [ 551.923940][T18426] do_el0_svc+0x48/0x58 [ 551.923944][T18426] el0_svc+0x5c/0x254 [ 551.923952][T18426] el0t_64_sync_handler+0x84/0x12c [ 551.923958][T18426] el0t_64_sync+0x198/0x19c [ 552.007580][T18428] loop0: detected capacity change from 0 to 32768 [ 552.010597][T18428] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.012619][T18428] FAULT_INJECTION: forcing a failure. [ 552.012619][T18428] name failslab, interval 1, probability 0, space 0, times 0 [ 552.012973][T18428] CPU: 0 UID: 0 PID: 18428 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.012993][T18428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.012998][T18428] Call trace: [ 552.013001][T18428] show_stack+0x2c/0x3c (C) [ 552.013016][T18428] __dump_stack+0x30/0x40 [ 552.013024][T18428] dump_stack_lvl+0xd8/0x12c [ 552.013030][T18428] dump_stack+0x1c/0x28 [ 552.013035][T18428] should_fail_ex+0x41c/0x594 [ 552.013043][T18428] should_failslab+0xc0/0x128 [ 552.013051][T18428] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.013058][T18428] jbd2__journal_start+0x14c/0x51c [ 552.013065][T18428] __ext4_journal_start_sb+0x378/0x88c [ 552.013072][T18428] ext4_zero_range+0x648/0xbc4 [ 552.013078][T18428] ext4_fallocate+0x300/0x384 [ 552.013084][T18428] vfs_fallocate+0x52c/0x668 [ 552.013090][T18428] file_ioctl+0x584/0x75c [ 552.013096][T18428] do_vfs_ioctl+0xa10/0x1834 [ 552.013102][T18428] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.013107][T18428] invoke_syscall+0x98/0x2b8 [ 552.013113][T18428] el0_svc_common+0x130/0x23c [ 552.013118][T18428] do_el0_svc+0x48/0x58 [ 552.013123][T18428] el0_svc+0x5c/0x254 [ 552.013131][T18428] el0t_64_sync_handler+0x84/0x12c [ 552.013137][T18428] el0t_64_sync+0x198/0x19c [ 552.102319][T18429] loop0: detected capacity change from 0 to 32768 [ 552.104864][T18429] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18429) [ 552.107426][T18429] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.109705][T18429] FAULT_INJECTION: forcing a failure. [ 552.109705][T18429] name failslab, interval 1, probability 0, space 0, times 0 [ 552.112078][T18429] CPU: 1 UID: 0 PID: 18429 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.112101][T18429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.112112][T18429] Call trace: [ 552.112118][T18429] show_stack+0x2c/0x3c (C) [ 552.112136][T18429] __dump_stack+0x30/0x40 [ 552.112144][T18429] dump_stack_lvl+0xd8/0x12c [ 552.112150][T18429] dump_stack+0x1c/0x28 [ 552.112156][T18429] should_fail_ex+0x41c/0x594 [ 552.112166][T18429] should_failslab+0xc0/0x128 [ 552.112174][T18429] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.112181][T18429] jbd2__journal_start+0x14c/0x51c [ 552.112189][T18429] __ext4_journal_start_sb+0x378/0x88c [ 552.112195][T18429] ext4_zero_range+0x648/0xbc4 [ 552.112202][T18429] ext4_fallocate+0x300/0x384 [ 552.112207][T18429] vfs_fallocate+0x52c/0x668 [ 552.112213][T18429] file_ioctl+0x584/0x75c [ 552.112219][T18429] do_vfs_ioctl+0xa10/0x1834 [ 552.112225][T18429] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.112230][T18429] invoke_syscall+0x98/0x2b8 [ 552.112236][T18429] el0_svc_common+0x130/0x23c [ 552.112241][T18429] do_el0_svc+0x48/0x58 [ 552.112246][T18429] el0_svc+0x5c/0x254 [ 552.112253][T18429] el0t_64_sync_handler+0x84/0x12c [ 552.112259][T18429] el0t_64_sync+0x198/0x19c [ 552.207016][T18432] loop0: detected capacity change from 0 to 32768 [ 552.209862][T18432] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18432) [ 552.212438][T18432] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.214725][T18432] FAULT_INJECTION: forcing a failure. [ 552.214725][T18432] name failslab, interval 1, probability 0, space 0, times 0 [ 552.216971][T18432] CPU: 1 UID: 0 PID: 18432 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.216993][T18432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.216999][T18432] Call trace: [ 552.217003][T18432] show_stack+0x2c/0x3c (C) [ 552.217019][T18432] __dump_stack+0x30/0x40 [ 552.217028][T18432] dump_stack_lvl+0xd8/0x12c [ 552.217036][T18432] dump_stack+0x1c/0x28 [ 552.217041][T18432] should_fail_ex+0x41c/0x594 [ 552.217050][T18432] should_failslab+0xc0/0x128 [ 552.217058][T18432] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.217065][T18432] jbd2__journal_start+0x14c/0x51c [ 552.217073][T18432] __ext4_journal_start_sb+0x378/0x88c [ 552.217079][T18432] ext4_zero_range+0x648/0xbc4 [ 552.217086][T18432] ext4_fallocate+0x300/0x384 [ 552.217091][T18432] vfs_fallocate+0x52c/0x668 [ 552.217097][T18432] file_ioctl+0x584/0x75c [ 552.217104][T18432] do_vfs_ioctl+0xa10/0x1834 [ 552.217109][T18432] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.217115][T18432] invoke_syscall+0x98/0x2b8 [ 552.217120][T18432] el0_svc_common+0x130/0x23c [ 552.217125][T18432] do_el0_svc+0x48/0x58 [ 552.217130][T18432] el0_svc+0x5c/0x254 [ 552.217137][T18432] el0t_64_sync_handler+0x84/0x12c [ 552.217144][T18432] el0t_64_sync+0x198/0x19c [ 552.309965][T18434] loop0: detected capacity change from 0 to 32768 [ 552.312581][T18434] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18434) [ 552.313835][T18434] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.314527][T18434] FAULT_INJECTION: forcing a failure. [ 552.314527][T18434] name failslab, interval 1, probability 0, space 0, times 0 [ 552.314541][T18434] CPU: 0 UID: 0 PID: 18434 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.314548][T18434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.314553][T18434] Call trace: [ 552.314555][T18434] show_stack+0x2c/0x3c (C) [ 552.314568][T18434] __dump_stack+0x30/0x40 [ 552.314574][T18434] dump_stack_lvl+0xd8/0x12c [ 552.314578][T18434] dump_stack+0x1c/0x28 [ 552.314583][T18434] should_fail_ex+0x41c/0x594 [ 552.314591][T18434] should_failslab+0xc0/0x128 [ 552.314598][T18434] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.314606][T18434] jbd2__journal_start+0x14c/0x51c [ 552.314613][T18434] __ext4_journal_start_sb+0x378/0x88c [ 552.314620][T18434] ext4_zero_range+0x648/0xbc4 [ 552.314626][T18434] ext4_fallocate+0x300/0x384 [ 552.314632][T18434] vfs_fallocate+0x52c/0x668 [ 552.314637][T18434] file_ioctl+0x584/0x75c [ 552.314643][T18434] do_vfs_ioctl+0xa10/0x1834 [ 552.314649][T18434] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.314654][T18434] invoke_syscall+0x98/0x2b8 [ 552.314660][T18434] el0_svc_common+0x130/0x23c [ 552.314665][T18434] do_el0_svc+0x48/0x58 [ 552.314669][T18434] el0_svc+0x5c/0x254 [ 552.314677][T18434] el0t_64_sync_handler+0x84/0x12c [ 552.314683][T18434] el0t_64_sync+0x198/0x19c [ 552.404588][T18435] FAULT_INJECTION: forcing a failure. [ 552.404588][T18435] name failslab, interval 1, probability 0, space 0, times 0 [ 552.404622][T18435] CPU: 1 UID: 0 PID: 18435 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.404632][T18435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.404638][T18435] Call trace: [ 552.404641][T18435] show_stack+0x2c/0x3c (C) [ 552.404653][T18435] __dump_stack+0x30/0x40 [ 552.404660][T18435] dump_stack_lvl+0xd8/0x12c [ 552.404665][T18435] dump_stack+0x1c/0x28 [ 552.404670][T18435] should_fail_ex+0x41c/0x594 [ 552.404678][T18435] should_failslab+0xc0/0x128 [ 552.404685][T18435] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.404693][T18435] jbd2__journal_start+0x14c/0x51c [ 552.404700][T18435] __ext4_journal_start_sb+0x378/0x88c [ 552.404707][T18435] ext4_zero_range+0x648/0xbc4 [ 552.404713][T18435] ext4_fallocate+0x300/0x384 [ 552.404719][T18435] vfs_fallocate+0x52c/0x668 [ 552.404725][T18435] file_ioctl+0x584/0x75c [ 552.404731][T18435] do_vfs_ioctl+0xa10/0x1834 [ 552.404736][T18435] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.404742][T18435] invoke_syscall+0x98/0x2b8 [ 552.404748][T18435] el0_svc_common+0x130/0x23c [ 552.404752][T18435] do_el0_svc+0x48/0x58 [ 552.404757][T18435] el0_svc+0x5c/0x254 [ 552.404765][T18435] el0t_64_sync_handler+0x84/0x12c [ 552.404771][T18435] el0t_64_sync+0x198/0x19c [ 552.494051][T18437] loop0: detected capacity change from 0 to 32768 [ 552.496123][T18437] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18437) [ 552.496861][T18437] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.497548][T18437] FAULT_INJECTION: forcing a failure. [ 552.497548][T18437] name failslab, interval 1, probability 0, space 0, times 0 [ 552.497561][T18437] CPU: 1 UID: 0 PID: 18437 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.497569][T18437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.497573][T18437] Call trace: [ 552.497576][T18437] show_stack+0x2c/0x3c (C) [ 552.497588][T18437] __dump_stack+0x30/0x40 [ 552.497594][T18437] dump_stack_lvl+0xd8/0x12c [ 552.497600][T18437] dump_stack+0x1c/0x28 [ 552.497605][T18437] should_fail_ex+0x41c/0x594 [ 552.497613][T18437] should_failslab+0xc0/0x128 [ 552.497620][T18437] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.497628][T18437] jbd2__journal_start+0x14c/0x51c [ 552.497635][T18437] __ext4_journal_start_sb+0x378/0x88c [ 552.497641][T18437] ext4_zero_range+0x648/0xbc4 [ 552.497648][T18437] ext4_fallocate+0x300/0x384 [ 552.497653][T18437] vfs_fallocate+0x52c/0x668 [ 552.497659][T18437] file_ioctl+0x584/0x75c [ 552.497665][T18437] do_vfs_ioctl+0xa10/0x1834 [ 552.497671][T18437] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.497677][T18437] invoke_syscall+0x98/0x2b8 [ 552.497682][T18437] el0_svc_common+0x130/0x23c [ 552.497687][T18437] do_el0_svc+0x48/0x58 [ 552.497692][T18437] el0_svc+0x5c/0x254 [ 552.497699][T18437] el0t_64_sync_handler+0x84/0x12c [ 552.497705][T18437] el0t_64_sync+0x198/0x19c [ 552.591690][T18438] FAULT_INJECTION: forcing a failure. [ 552.591690][T18438] name failslab, interval 1, probability 0, space 0, times 0 [ 552.593800][T18438] CPU: 0 UID: 0 PID: 18438 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.593828][T18438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.593842][T18438] Call trace: [ 552.593850][T18438] show_stack+0x2c/0x3c (C) [ 552.593865][T18438] __dump_stack+0x30/0x40 [ 552.593872][T18438] dump_stack_lvl+0xd8/0x12c [ 552.593880][T18438] dump_stack+0x1c/0x28 [ 552.593885][T18438] should_fail_ex+0x41c/0x594 [ 552.593893][T18438] should_failslab+0xc0/0x128 [ 552.593901][T18438] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.593909][T18438] jbd2__journal_start+0x14c/0x51c [ 552.593916][T18438] __ext4_journal_start_sb+0x378/0x88c [ 552.593923][T18438] ext4_zero_range+0x648/0xbc4 [ 552.593930][T18438] ext4_fallocate+0x300/0x384 [ 552.593936][T18438] vfs_fallocate+0x52c/0x668 [ 552.593942][T18438] file_ioctl+0x584/0x75c [ 552.593948][T18438] do_vfs_ioctl+0xa10/0x1834 [ 552.593954][T18438] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.593959][T18438] invoke_syscall+0x98/0x2b8 [ 552.593964][T18438] el0_svc_common+0x130/0x23c [ 552.593969][T18438] do_el0_svc+0x48/0x58 [ 552.593974][T18438] el0_svc+0x5c/0x254 [ 552.593981][T18438] el0t_64_sync_handler+0x84/0x12c [ 552.593987][T18438] el0t_64_sync+0x198/0x19c [ 552.680359][T18440] loop0: detected capacity change from 0 to 32768 [ 552.681804][T18440] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18440) [ 552.681928][T18440] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.682539][T18440] FAULT_INJECTION: forcing a failure. [ 552.682539][T18440] name failslab, interval 1, probability 0, space 0, times 0 [ 552.682558][T18440] CPU: 0 UID: 0 PID: 18440 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.682569][T18440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.682576][T18440] Call trace: [ 552.682579][T18440] show_stack+0x2c/0x3c (C) [ 552.682594][T18440] __dump_stack+0x30/0x40 [ 552.682602][T18440] dump_stack_lvl+0xd8/0x12c [ 552.682608][T18440] dump_stack+0x1c/0x28 [ 552.682613][T18440] should_fail_ex+0x41c/0x594 [ 552.682621][T18440] should_failslab+0xc0/0x128 [ 552.682629][T18440] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.682636][T18440] jbd2__journal_start+0x14c/0x51c [ 552.682644][T18440] __ext4_journal_start_sb+0x378/0x88c [ 552.682650][T18440] ext4_zero_range+0x648/0xbc4 [ 552.682657][T18440] ext4_fallocate+0x300/0x384 [ 552.682663][T18440] vfs_fallocate+0x52c/0x668 [ 552.682669][T18440] file_ioctl+0x584/0x75c [ 552.682675][T18440] do_vfs_ioctl+0xa10/0x1834 [ 552.682681][T18440] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.682687][T18440] invoke_syscall+0x98/0x2b8 [ 552.682696][T18440] el0_svc_common+0x130/0x23c [ 552.682701][T18440] do_el0_svc+0x48/0x58 [ 552.682707][T18440] el0_svc+0x5c/0x254 [ 552.682714][T18440] el0t_64_sync_handler+0x84/0x12c [ 552.682721][T18440] el0t_64_sync+0x198/0x19c [ 552.773083][T18441] loop0: detected capacity change from 0 to 32768 [ 552.775029][T18441] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18441) [ 552.775140][T18441] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.776246][T18441] FAULT_INJECTION: forcing a failure. [ 552.776246][T18441] name failslab, interval 1, probability 0, space 0, times 0 [ 552.776267][T18441] CPU: 0 UID: 0 PID: 18441 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.776276][T18441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.776281][T18441] Call trace: [ 552.776284][T18441] show_stack+0x2c/0x3c (C) [ 552.776297][T18441] __dump_stack+0x30/0x40 [ 552.776303][T18441] dump_stack_lvl+0xd8/0x12c [ 552.776308][T18441] dump_stack+0x1c/0x28 [ 552.776312][T18441] should_fail_ex+0x41c/0x594 [ 552.776321][T18441] should_failslab+0xc0/0x128 [ 552.776328][T18441] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.776336][T18441] jbd2__journal_start+0x14c/0x51c [ 552.776343][T18441] __ext4_journal_start_sb+0x378/0x88c [ 552.776350][T18441] ext4_zero_range+0x648/0xbc4 [ 552.776356][T18441] ext4_fallocate+0x300/0x384 [ 552.776362][T18441] vfs_fallocate+0x52c/0x668 [ 552.776367][T18441] file_ioctl+0x584/0x75c [ 552.776373][T18441] do_vfs_ioctl+0xa10/0x1834 [ 552.776379][T18441] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.776384][T18441] invoke_syscall+0x98/0x2b8 [ 552.776389][T18441] el0_svc_common+0x130/0x23c [ 552.776394][T18441] do_el0_svc+0x48/0x58 [ 552.776399][T18441] el0_svc+0x5c/0x254 [ 552.776407][T18441] el0t_64_sync_handler+0x84/0x12c [ 552.776413][T18441] el0t_64_sync+0x198/0x19c [ 552.869118][T18443] loop0: detected capacity change from 0 to 32768 [ 552.871569][T18443] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18443) [ 552.871709][T18443] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.899085][T18443] FAULT_INJECTION: forcing a failure. [ 552.899085][T18443] name failslab, interval 1, probability 0, space 0, times 0 [ 552.899124][T18443] CPU: 1 UID: 0 PID: 18443 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.899132][T18443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.899137][T18443] Call trace: [ 552.899140][T18443] show_stack+0x2c/0x3c (C) [ 552.899153][T18443] __dump_stack+0x30/0x40 [ 552.899159][T18443] dump_stack_lvl+0xd8/0x12c [ 552.899165][T18443] dump_stack+0x1c/0x28 [ 552.899169][T18443] should_fail_ex+0x41c/0x594 [ 552.899178][T18443] should_failslab+0xc0/0x128 [ 552.899185][T18443] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.899193][T18443] jbd2__journal_start+0x14c/0x51c [ 552.899200][T18443] __ext4_journal_start_sb+0x378/0x88c [ 552.899208][T18443] ext4_zero_range+0x648/0xbc4 [ 552.899214][T18443] ext4_fallocate+0x300/0x384 [ 552.899220][T18443] vfs_fallocate+0x52c/0x668 [ 552.899226][T18443] file_ioctl+0x584/0x75c [ 552.899233][T18443] do_vfs_ioctl+0xa10/0x1834 [ 552.899238][T18443] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.899244][T18443] invoke_syscall+0x98/0x2b8 [ 552.899249][T18443] el0_svc_common+0x130/0x23c [ 552.899254][T18443] do_el0_svc+0x48/0x58 [ 552.899259][T18443] el0_svc+0x5c/0x254 [ 552.899269][T18443] el0t_64_sync_handler+0x84/0x12c [ 552.899276][T18443] el0t_64_sync+0x198/0x19c [ 552.899383][T18443] EXT4-fs error: 39 callbacks suppressed [ 552.899389][T18443] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 552.988522][T18445] loop0: detected capacity change from 0 to 32768 [ 552.991796][T18445] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 552.992455][T18445] FAULT_INJECTION: forcing a failure. [ 552.992455][T18445] name failslab, interval 1, probability 0, space 0, times 0 [ 552.992469][T18445] CPU: 1 UID: 0 PID: 18445 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 552.992476][T18445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 552.992481][T18445] Call trace: [ 552.992483][T18445] show_stack+0x2c/0x3c (C) [ 552.992496][T18445] __dump_stack+0x30/0x40 [ 552.992503][T18445] dump_stack_lvl+0xd8/0x12c [ 552.992508][T18445] dump_stack+0x1c/0x28 [ 552.992512][T18445] should_fail_ex+0x41c/0x594 [ 552.992521][T18445] should_failslab+0xc0/0x128 [ 552.992528][T18445] kmem_cache_alloc_noprof+0x80/0x3e8 [ 552.992536][T18445] jbd2__journal_start+0x14c/0x51c [ 552.992543][T18445] __ext4_journal_start_sb+0x378/0x88c [ 552.992550][T18445] ext4_zero_range+0x648/0xbc4 [ 552.992556][T18445] ext4_fallocate+0x300/0x384 [ 552.992562][T18445] vfs_fallocate+0x52c/0x668 [ 552.992568][T18445] file_ioctl+0x584/0x75c [ 552.992574][T18445] do_vfs_ioctl+0xa10/0x1834 [ 552.992579][T18445] __arm64_sys_ioctl+0xe4/0x1c4 [ 552.992585][T18445] invoke_syscall+0x98/0x2b8 [ 552.992590][T18445] el0_svc_common+0x130/0x23c [ 552.992595][T18445] do_el0_svc+0x48/0x58 [ 552.992600][T18445] el0_svc+0x5c/0x254 [ 552.992607][T18445] el0t_64_sync_handler+0x84/0x12c [ 552.992614][T18445] el0t_64_sync+0x198/0x19c [ 552.992622][T18445] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.080465][T18446] loop0: detected capacity change from 0 to 32768 [ 553.082543][T18446] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18446) [ 553.082653][T18446] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.104573][T18446] FAULT_INJECTION: forcing a failure. [ 553.104573][T18446] name failslab, interval 1, probability 0, space 0, times 0 [ 553.106645][T18446] CPU: 0 UID: 0 PID: 18446 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.106670][T18446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.106680][T18446] Call trace: [ 553.106685][T18446] show_stack+0x2c/0x3c (C) [ 553.106700][T18446] __dump_stack+0x30/0x40 [ 553.106706][T18446] dump_stack_lvl+0xd8/0x12c [ 553.106712][T18446] dump_stack+0x1c/0x28 [ 553.106717][T18446] should_fail_ex+0x41c/0x594 [ 553.106726][T18446] should_failslab+0xc0/0x128 [ 553.106734][T18446] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.106742][T18446] jbd2__journal_start+0x14c/0x51c [ 553.106749][T18446] __ext4_journal_start_sb+0x378/0x88c [ 553.106755][T18446] ext4_zero_range+0x648/0xbc4 [ 553.106761][T18446] ext4_fallocate+0x300/0x384 [ 553.106767][T18446] vfs_fallocate+0x52c/0x668 [ 553.106773][T18446] file_ioctl+0x584/0x75c [ 553.106778][T18446] do_vfs_ioctl+0xa10/0x1834 [ 553.106784][T18446] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.106789][T18446] invoke_syscall+0x98/0x2b8 [ 553.106795][T18446] el0_svc_common+0x130/0x23c [ 553.106799][T18446] do_el0_svc+0x48/0x58 [ 553.106804][T18446] el0_svc+0x5c/0x254 [ 553.106812][T18446] el0t_64_sync_handler+0x84/0x12c [ 553.106818][T18446] el0t_64_sync+0x198/0x19c [ 553.116390][T18446] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.192115][T18448] loop0: detected capacity change from 0 to 32768 [ 553.200316][T18448] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.201020][T18448] FAULT_INJECTION: forcing a failure. [ 553.201020][T18448] name failslab, interval 1, probability 0, space 0, times 0 [ 553.201034][T18448] CPU: 1 UID: 0 PID: 18448 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.201041][T18448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.201045][T18448] Call trace: [ 553.201048][T18448] show_stack+0x2c/0x3c (C) [ 553.201061][T18448] __dump_stack+0x30/0x40 [ 553.201067][T18448] dump_stack_lvl+0xd8/0x12c [ 553.201072][T18448] dump_stack+0x1c/0x28 [ 553.201077][T18448] should_fail_ex+0x41c/0x594 [ 553.201085][T18448] should_failslab+0xc0/0x128 [ 553.201092][T18448] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.201099][T18448] jbd2__journal_start+0x14c/0x51c [ 553.201107][T18448] __ext4_journal_start_sb+0x378/0x88c [ 553.201113][T18448] ext4_zero_range+0x648/0xbc4 [ 553.201119][T18448] ext4_fallocate+0x300/0x384 [ 553.201125][T18448] vfs_fallocate+0x52c/0x668 [ 553.201131][T18448] file_ioctl+0x584/0x75c [ 553.201137][T18448] do_vfs_ioctl+0xa10/0x1834 [ 553.201142][T18448] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.201148][T18448] invoke_syscall+0x98/0x2b8 [ 553.201153][T18448] el0_svc_common+0x130/0x23c [ 553.201158][T18448] do_el0_svc+0x48/0x58 [ 553.201163][T18448] el0_svc+0x5c/0x254 [ 553.201170][T18448] el0t_64_sync_handler+0x84/0x12c [ 553.201176][T18448] el0t_64_sync+0x198/0x19c [ 553.201185][T18448] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.291745][T18449] loop0: detected capacity change from 0 to 32768 [ 553.294049][T18449] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18449) [ 553.294204][T18449] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.294841][T18449] FAULT_INJECTION: forcing a failure. [ 553.294841][T18449] name failslab, interval 1, probability 0, space 0, times 0 [ 553.294855][T18449] CPU: 1 UID: 0 PID: 18449 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.294862][T18449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.294866][T18449] Call trace: [ 553.294869][T18449] show_stack+0x2c/0x3c (C) [ 553.294881][T18449] __dump_stack+0x30/0x40 [ 553.294894][T18449] dump_stack_lvl+0xd8/0x12c [ 553.294900][T18449] dump_stack+0x1c/0x28 [ 553.294904][T18449] should_fail_ex+0x41c/0x594 [ 553.294912][T18449] should_failslab+0xc0/0x128 [ 553.294920][T18449] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.294929][T18449] jbd2__journal_start+0x14c/0x51c [ 553.294937][T18449] __ext4_journal_start_sb+0x378/0x88c [ 553.294943][T18449] ext4_zero_range+0x648/0xbc4 [ 553.294949][T18449] ext4_fallocate+0x300/0x384 [ 553.294955][T18449] vfs_fallocate+0x52c/0x668 [ 553.294961][T18449] file_ioctl+0x584/0x75c [ 553.294967][T18449] do_vfs_ioctl+0xa10/0x1834 [ 553.294972][T18449] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.294978][T18449] invoke_syscall+0x98/0x2b8 [ 553.294984][T18449] el0_svc_common+0x130/0x23c [ 553.294989][T18449] do_el0_svc+0x48/0x58 [ 553.294993][T18449] el0_svc+0x5c/0x254 [ 553.295001][T18449] el0t_64_sync_handler+0x84/0x12c [ 553.295007][T18449] el0t_64_sync+0x198/0x19c [ 553.296437][T18449] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.386803][T18451] loop0: detected capacity change from 0 to 32768 [ 553.390136][T18451] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18451) [ 553.390268][T18451] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.390954][T18451] FAULT_INJECTION: forcing a failure. [ 553.390954][T18451] name failslab, interval 1, probability 0, space 0, times 0 [ 553.390967][T18451] CPU: 1 UID: 0 PID: 18451 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.390975][T18451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.390979][T18451] Call trace: [ 553.390981][T18451] show_stack+0x2c/0x3c (C) [ 553.390994][T18451] __dump_stack+0x30/0x40 [ 553.391000][T18451] dump_stack_lvl+0xd8/0x12c [ 553.391005][T18451] dump_stack+0x1c/0x28 [ 553.391010][T18451] should_fail_ex+0x41c/0x594 [ 553.391018][T18451] should_failslab+0xc0/0x128 [ 553.391025][T18451] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.391032][T18451] jbd2__journal_start+0x14c/0x51c [ 553.391039][T18451] __ext4_journal_start_sb+0x378/0x88c [ 553.391046][T18451] ext4_zero_range+0x648/0xbc4 [ 553.391052][T18451] ext4_fallocate+0x300/0x384 [ 553.391058][T18451] vfs_fallocate+0x52c/0x668 [ 553.391064][T18451] file_ioctl+0x584/0x75c [ 553.391070][T18451] do_vfs_ioctl+0xa10/0x1834 [ 553.391075][T18451] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.391081][T18451] invoke_syscall+0x98/0x2b8 [ 553.391086][T18451] el0_svc_common+0x130/0x23c [ 553.391091][T18451] do_el0_svc+0x48/0x58 [ 553.391096][T18451] el0_svc+0x5c/0x254 [ 553.391103][T18451] el0t_64_sync_handler+0x84/0x12c [ 553.391110][T18451] el0t_64_sync+0x198/0x19c [ 553.391119][T18451] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.485348][T18453] FAULT_INJECTION: forcing a failure. [ 553.485348][T18453] name failslab, interval 1, probability 0, space 0, times 0 [ 553.485391][T18453] CPU: 1 UID: 0 PID: 18453 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.485399][T18453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.485404][T18453] Call trace: [ 553.485407][T18453] show_stack+0x2c/0x3c (C) [ 553.485418][T18453] __dump_stack+0x30/0x40 [ 553.485424][T18453] dump_stack_lvl+0xd8/0x12c [ 553.485429][T18453] dump_stack+0x1c/0x28 [ 553.485433][T18453] should_fail_ex+0x41c/0x594 [ 553.485441][T18453] should_failslab+0xc0/0x128 [ 553.485448][T18453] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.485455][T18453] jbd2__journal_start+0x14c/0x51c [ 553.485462][T18453] __ext4_journal_start_sb+0x378/0x88c [ 553.485468][T18453] ext4_zero_range+0x648/0xbc4 [ 553.485474][T18453] ext4_fallocate+0x300/0x384 [ 553.485479][T18453] vfs_fallocate+0x52c/0x668 [ 553.485485][T18453] file_ioctl+0x584/0x75c [ 553.485491][T18453] do_vfs_ioctl+0xa10/0x1834 [ 553.485496][T18453] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.485502][T18453] invoke_syscall+0x98/0x2b8 [ 553.485507][T18453] el0_svc_common+0x130/0x23c [ 553.485512][T18453] do_el0_svc+0x48/0x58 [ 553.485517][T18453] el0_svc+0x5c/0x254 [ 553.485524][T18453] el0t_64_sync_handler+0x84/0x12c [ 553.485530][T18453] el0t_64_sync+0x198/0x19c [ 553.485539][T18453] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.570671][T18455] loop0: detected capacity change from 0 to 32768 [ 553.571424][T18455] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18455) [ 553.571504][T18455] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.590393][T18455] FAULT_INJECTION: forcing a failure. [ 553.590393][T18455] name failslab, interval 1, probability 0, space 0, times 0 [ 553.590429][T18455] CPU: 1 UID: 0 PID: 18455 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.590441][T18455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.590448][T18455] Call trace: [ 553.590452][T18455] show_stack+0x2c/0x3c (C) [ 553.590468][T18455] __dump_stack+0x30/0x40 [ 553.590475][T18455] dump_stack_lvl+0xd8/0x12c [ 553.590480][T18455] dump_stack+0x1c/0x28 [ 553.590485][T18455] should_fail_ex+0x41c/0x594 [ 553.590494][T18455] should_failslab+0xc0/0x128 [ 553.590502][T18455] __kmalloc_noprof+0xf4/0x4c8 [ 553.590513][T18455] ext4_find_extent+0x1b0/0xa8c [ 553.590521][T18455] ext4_ext_map_blocks+0x258/0x5494 [ 553.590527][T18455] ext4_map_blocks+0x6f0/0x14a8 [ 553.590534][T18455] ext4_alloc_file_blocks+0x320/0xad4 [ 553.590540][T18455] ext4_zero_range+0x4ac/0xbc4 [ 553.590546][T18455] ext4_fallocate+0x300/0x384 [ 553.590552][T18455] vfs_fallocate+0x52c/0x668 [ 553.590558][T18455] file_ioctl+0x584/0x75c [ 553.590565][T18455] do_vfs_ioctl+0xa10/0x1834 [ 553.590570][T18455] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.590575][T18455] invoke_syscall+0x98/0x2b8 [ 553.590582][T18455] el0_svc_common+0x130/0x23c [ 553.590587][T18455] do_el0_svc+0x48/0x58 [ 553.590591][T18455] el0_svc+0x5c/0x254 [ 553.590599][T18455] el0t_64_sync_handler+0x84/0x12c [ 553.590606][T18455] el0t_64_sync+0x198/0x19c [ 553.670052][T18456] loop0: detected capacity change from 0 to 32768 [ 553.670947][T18456] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.689872][T18456] FAULT_INJECTION: forcing a failure. [ 553.689872][T18456] name failslab, interval 1, probability 0, space 0, times 0 [ 553.689922][T18456] CPU: 0 UID: 0 PID: 18456 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.689934][T18456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.689940][T18456] Call trace: [ 553.689944][T18456] show_stack+0x2c/0x3c (C) [ 553.689958][T18456] __dump_stack+0x30/0x40 [ 553.689964][T18456] dump_stack_lvl+0xd8/0x12c [ 553.689970][T18456] dump_stack+0x1c/0x28 [ 553.689974][T18456] should_fail_ex+0x41c/0x594 [ 553.689982][T18456] should_failslab+0xc0/0x128 [ 553.689990][T18456] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.689997][T18456] jbd2__journal_start+0x14c/0x51c [ 553.690004][T18456] __ext4_journal_start_sb+0x378/0x88c [ 553.690013][T18456] ext4_zero_range+0x648/0xbc4 [ 553.690019][T18456] ext4_fallocate+0x300/0x384 [ 553.690025][T18456] vfs_fallocate+0x52c/0x668 [ 553.690031][T18456] file_ioctl+0x584/0x75c [ 553.690037][T18456] do_vfs_ioctl+0xa10/0x1834 [ 553.690043][T18456] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.690048][T18456] invoke_syscall+0x98/0x2b8 [ 553.690054][T18456] el0_svc_common+0x130/0x23c [ 553.690058][T18456] do_el0_svc+0x48/0x58 [ 553.690063][T18456] el0_svc+0x5c/0x254 [ 553.690071][T18456] el0t_64_sync_handler+0x84/0x12c [ 553.690077][T18456] el0t_64_sync+0x198/0x19c [ 553.691232][T18456] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.769855][T18457] loop0: detected capacity change from 0 to 32768 [ 553.771534][T18457] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.772154][T18457] FAULT_INJECTION: forcing a failure. [ 553.772154][T18457] name failslab, interval 1, probability 0, space 0, times 0 [ 553.772167][T18457] CPU: 1 UID: 0 PID: 18457 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.772175][T18457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.772179][T18457] Call trace: [ 553.772181][T18457] show_stack+0x2c/0x3c (C) [ 553.772194][T18457] __dump_stack+0x30/0x40 [ 553.772200][T18457] dump_stack_lvl+0xd8/0x12c [ 553.772205][T18457] dump_stack+0x1c/0x28 [ 553.772210][T18457] should_fail_ex+0x41c/0x594 [ 553.772218][T18457] should_failslab+0xc0/0x128 [ 553.772225][T18457] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.772232][T18457] jbd2__journal_start+0x14c/0x51c [ 553.772240][T18457] __ext4_journal_start_sb+0x378/0x88c [ 553.772246][T18457] ext4_zero_range+0x648/0xbc4 [ 553.772252][T18457] ext4_fallocate+0x300/0x384 [ 553.772258][T18457] vfs_fallocate+0x52c/0x668 [ 553.772264][T18457] file_ioctl+0x584/0x75c [ 553.772270][T18457] do_vfs_ioctl+0xa10/0x1834 [ 553.772275][T18457] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.772281][T18457] invoke_syscall+0x98/0x2b8 [ 553.772286][T18457] el0_svc_common+0x130/0x23c [ 553.772291][T18457] do_el0_svc+0x48/0x58 [ 553.772296][T18457] el0_svc+0x5c/0x254 [ 553.772303][T18457] el0t_64_sync_handler+0x84/0x12c [ 553.772309][T18457] el0t_64_sync+0x198/0x19c [ 553.772318][T18457] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.860776][T18458] loop0: detected capacity change from 0 to 32768 [ 553.862741][T18458] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18458) [ 553.865234][T18458] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.867394][T18458] FAULT_INJECTION: forcing a failure. [ 553.867394][T18458] name failslab, interval 1, probability 0, space 0, times 0 [ 553.869514][T18458] CPU: 0 UID: 0 PID: 18458 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.869535][T18458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.869540][T18458] Call trace: [ 553.869544][T18458] show_stack+0x2c/0x3c (C) [ 553.869559][T18458] __dump_stack+0x30/0x40 [ 553.869566][T18458] dump_stack_lvl+0xd8/0x12c [ 553.869571][T18458] dump_stack+0x1c/0x28 [ 553.869576][T18458] should_fail_ex+0x41c/0x594 [ 553.869584][T18458] should_failslab+0xc0/0x128 [ 553.869591][T18458] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.869599][T18458] jbd2__journal_start+0x14c/0x51c [ 553.869605][T18458] __ext4_journal_start_sb+0x378/0x88c [ 553.869612][T18458] ext4_zero_range+0x648/0xbc4 [ 553.869618][T18458] ext4_fallocate+0x300/0x384 [ 553.869624][T18458] vfs_fallocate+0x52c/0x668 [ 553.869629][T18458] file_ioctl+0x584/0x75c [ 553.869635][T18458] do_vfs_ioctl+0xa10/0x1834 [ 553.869641][T18458] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.869646][T18458] invoke_syscall+0x98/0x2b8 [ 553.869651][T18458] el0_svc_common+0x130/0x23c [ 553.869656][T18458] do_el0_svc+0x48/0x58 [ 553.869661][T18458] el0_svc+0x5c/0x254 [ 553.869668][T18458] el0t_64_sync_handler+0x84/0x12c [ 553.869674][T18458] el0t_64_sync+0x198/0x19c [ 553.888384][T18458] EXT4-fs error (device nvme0n1p2) in ext4_zero_range:4689: Out of memory [ 553.959471][T18461] loop0: detected capacity change from 0 to 32768 [ 553.961209][T18461] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18461) [ 553.961331][T18461] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 553.962005][T18461] FAULT_INJECTION: forcing a failure. [ 553.962005][T18461] name failslab, interval 1, probability 0, space 0, times 0 [ 553.962018][T18461] CPU: 1 UID: 0 PID: 18461 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 553.962025][T18461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 553.962029][T18461] Call trace: [ 553.962032][T18461] show_stack+0x2c/0x3c (C) [ 553.962045][T18461] __dump_stack+0x30/0x40 [ 553.962051][T18461] dump_stack_lvl+0xd8/0x12c [ 553.962056][T18461] dump_stack+0x1c/0x28 [ 553.962060][T18461] should_fail_ex+0x41c/0x594 [ 553.962068][T18461] should_failslab+0xc0/0x128 [ 553.962075][T18461] kmem_cache_alloc_noprof+0x80/0x3e8 [ 553.962083][T18461] jbd2__journal_start+0x14c/0x51c [ 553.962090][T18461] __ext4_journal_start_sb+0x378/0x88c [ 553.962096][T18461] ext4_zero_range+0x648/0xbc4 [ 553.962102][T18461] ext4_fallocate+0x300/0x384 [ 553.962108][T18461] vfs_fallocate+0x52c/0x668 [ 553.962114][T18461] file_ioctl+0x584/0x75c [ 553.962120][T18461] do_vfs_ioctl+0xa10/0x1834 [ 553.962126][T18461] __arm64_sys_ioctl+0xe4/0x1c4 [ 553.962131][T18461] invoke_syscall+0x98/0x2b8 [ 553.962137][T18461] el0_svc_common+0x130/0x23c [ 553.962142][T18461] do_el0_svc+0x48/0x58 [ 553.962146][T18461] el0_svc+0x5c/0x254 [ 553.962154][T18461] el0t_64_sync_handler+0x84/0x12c [ 553.962160][T18461] el0t_64_sync+0x198/0x19c [ 554.054884][T18462] FAULT_INJECTION: forcing a failure. [ 554.054884][T18462] name failslab, interval 1, probability 0, space 0, times 0 [ 554.054930][T18462] CPU: 1 UID: 0 PID: 18462 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.054940][T18462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.054945][T18462] Call trace: [ 554.054948][T18462] show_stack+0x2c/0x3c (C) [ 554.054961][T18462] __dump_stack+0x30/0x40 [ 554.054967][T18462] dump_stack_lvl+0xd8/0x12c [ 554.054972][T18462] dump_stack+0x1c/0x28 [ 554.054977][T18462] should_fail_ex+0x41c/0x594 [ 554.054985][T18462] should_failslab+0xc0/0x128 [ 554.054993][T18462] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.055000][T18462] jbd2__journal_start+0x14c/0x51c [ 554.055007][T18462] __ext4_journal_start_sb+0x378/0x88c [ 554.055014][T18462] ext4_zero_range+0x648/0xbc4 [ 554.055020][T18462] ext4_fallocate+0x300/0x384 [ 554.055025][T18462] vfs_fallocate+0x52c/0x668 [ 554.055031][T18462] file_ioctl+0x584/0x75c [ 554.055037][T18462] do_vfs_ioctl+0xa10/0x1834 [ 554.055043][T18462] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.055048][T18462] invoke_syscall+0x98/0x2b8 [ 554.055054][T18462] el0_svc_common+0x130/0x23c [ 554.055059][T18462] do_el0_svc+0x48/0x58 [ 554.055063][T18462] el0_svc+0x5c/0x254 [ 554.055071][T18462] el0t_64_sync_handler+0x84/0x12c [ 554.055077][T18462] el0t_64_sync+0x198/0x19c [ 554.139526][T18464] loop0: detected capacity change from 0 to 32768 [ 554.141382][T18464] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18464) [ 554.141789][T18464] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.145950][T18464] FAULT_INJECTION: forcing a failure. [ 554.145950][T18464] name failslab, interval 1, probability 0, space 0, times 0 [ 554.146468][T18464] CPU: 1 UID: 0 PID: 18464 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.146493][T18464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.146498][T18464] Call trace: [ 554.146502][T18464] show_stack+0x2c/0x3c (C) [ 554.146518][T18464] __dump_stack+0x30/0x40 [ 554.146526][T18464] dump_stack_lvl+0xd8/0x12c [ 554.146531][T18464] dump_stack+0x1c/0x28 [ 554.146536][T18464] should_fail_ex+0x41c/0x594 [ 554.146545][T18464] should_failslab+0xc0/0x128 [ 554.146554][T18464] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.146563][T18464] jbd2__journal_start+0x14c/0x51c [ 554.146571][T18464] __ext4_journal_start_sb+0x378/0x88c [ 554.146578][T18464] ext4_zero_range+0x648/0xbc4 [ 554.146584][T18464] ext4_fallocate+0x300/0x384 [ 554.146590][T18464] vfs_fallocate+0x52c/0x668 [ 554.146596][T18464] file_ioctl+0x584/0x75c [ 554.146602][T18464] do_vfs_ioctl+0xa10/0x1834 [ 554.146608][T18464] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.146613][T18464] invoke_syscall+0x98/0x2b8 [ 554.146619][T18464] el0_svc_common+0x130/0x23c [ 554.146624][T18464] do_el0_svc+0x48/0x58 [ 554.146628][T18464] el0_svc+0x5c/0x254 [ 554.146636][T18464] el0t_64_sync_handler+0x84/0x12c [ 554.146642][T18464] el0t_64_sync+0x198/0x19c [ 554.241895][T18465] loop0: detected capacity change from 0 to 32768 [ 554.244162][T18465] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18465) [ 554.246658][T18465] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.248962][T18465] FAULT_INJECTION: forcing a failure. [ 554.248962][T18465] name failslab, interval 1, probability 0, space 0, times 0 [ 554.251268][T18465] CPU: 0 UID: 0 PID: 18465 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.251287][T18465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.251292][T18465] Call trace: [ 554.251296][T18465] show_stack+0x2c/0x3c (C) [ 554.251311][T18465] __dump_stack+0x30/0x40 [ 554.251320][T18465] dump_stack_lvl+0xd8/0x12c [ 554.251327][T18465] dump_stack+0x1c/0x28 [ 554.251333][T18465] should_fail_ex+0x41c/0x594 [ 554.251341][T18465] should_failslab+0xc0/0x128 [ 554.251348][T18465] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.251355][T18465] jbd2__journal_start+0x14c/0x51c [ 554.251362][T18465] __ext4_journal_start_sb+0x378/0x88c [ 554.251369][T18465] ext4_zero_range+0x648/0xbc4 [ 554.251374][T18465] ext4_fallocate+0x300/0x384 [ 554.251380][T18465] vfs_fallocate+0x52c/0x668 [ 554.251386][T18465] file_ioctl+0x584/0x75c [ 554.251391][T18465] do_vfs_ioctl+0xa10/0x1834 [ 554.251397][T18465] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.251402][T18465] invoke_syscall+0x98/0x2b8 [ 554.251408][T18465] el0_svc_common+0x130/0x23c [ 554.251413][T18465] do_el0_svc+0x48/0x58 [ 554.251417][T18465] el0_svc+0x5c/0x254 [ 554.251425][T18465] el0t_64_sync_handler+0x84/0x12c [ 554.251431][T18465] el0t_64_sync+0x198/0x19c [ 554.338116][T18468] loop0: detected capacity change from 0 to 32768 [ 554.338843][T18468] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18468) [ 554.338935][T18468] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.365753][T18468] FAULT_INJECTION: forcing a failure. [ 554.365753][T18468] name failslab, interval 1, probability 0, space 0, times 0 [ 554.367847][T18468] CPU: 1 UID: 0 PID: 18468 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.367866][T18468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.367871][T18468] Call trace: [ 554.367874][T18468] show_stack+0x2c/0x3c (C) [ 554.367891][T18468] __dump_stack+0x30/0x40 [ 554.367897][T18468] dump_stack_lvl+0xd8/0x12c [ 554.367903][T18468] dump_stack+0x1c/0x28 [ 554.367908][T18468] should_fail_ex+0x41c/0x594 [ 554.367916][T18468] should_failslab+0xc0/0x128 [ 554.367923][T18468] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.367931][T18468] jbd2__journal_start+0x14c/0x51c [ 554.367938][T18468] __ext4_journal_start_sb+0x378/0x88c [ 554.367944][T18468] ext4_zero_range+0x648/0xbc4 [ 554.367950][T18468] ext4_fallocate+0x300/0x384 [ 554.367956][T18468] vfs_fallocate+0x52c/0x668 [ 554.367962][T18468] file_ioctl+0x584/0x75c [ 554.367968][T18468] do_vfs_ioctl+0xa10/0x1834 [ 554.367973][T18468] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.367979][T18468] invoke_syscall+0x98/0x2b8 [ 554.367984][T18468] el0_svc_common+0x130/0x23c [ 554.367989][T18468] do_el0_svc+0x48/0x58 [ 554.367994][T18468] el0_svc+0x5c/0x254 [ 554.368001][T18468] el0t_64_sync_handler+0x84/0x12c [ 554.368007][T18468] el0t_64_sync+0x198/0x19c [ 554.460078][T18469] loop0: detected capacity change from 0 to 32768 [ 554.461506][T18469] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.465739][T18469] FAULT_INJECTION: forcing a failure. [ 554.465739][T18469] name failslab, interval 1, probability 0, space 0, times 0 [ 554.465793][T18469] CPU: 1 UID: 0 PID: 18469 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.465804][T18469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.465810][T18469] Call trace: [ 554.465813][T18469] show_stack+0x2c/0x3c (C) [ 554.465828][T18469] __dump_stack+0x30/0x40 [ 554.465834][T18469] dump_stack_lvl+0xd8/0x12c [ 554.465839][T18469] dump_stack+0x1c/0x28 [ 554.465844][T18469] should_fail_ex+0x41c/0x594 [ 554.465852][T18469] should_failslab+0xc0/0x128 [ 554.465859][T18469] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.465866][T18469] jbd2__journal_start+0x14c/0x51c [ 554.465873][T18469] __ext4_journal_start_sb+0x378/0x88c [ 554.465880][T18469] ext4_zero_range+0x648/0xbc4 [ 554.465885][T18469] ext4_fallocate+0x300/0x384 [ 554.465897][T18469] vfs_fallocate+0x52c/0x668 [ 554.465903][T18469] file_ioctl+0x584/0x75c [ 554.465909][T18469] do_vfs_ioctl+0xa10/0x1834 [ 554.465915][T18469] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.465921][T18469] invoke_syscall+0x98/0x2b8 [ 554.465926][T18469] el0_svc_common+0x130/0x23c [ 554.465931][T18469] do_el0_svc+0x48/0x58 [ 554.465936][T18469] el0_svc+0x5c/0x254 [ 554.465944][T18469] el0t_64_sync_handler+0x84/0x12c [ 554.465950][T18469] el0t_64_sync+0x198/0x19c [ 554.551928][T18470] loop0: detected capacity change from 0 to 32768 [ 554.553946][T18470] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18470) [ 554.554082][T18470] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.554735][T18470] FAULT_INJECTION: forcing a failure. [ 554.554735][T18470] name failslab, interval 1, probability 0, space 0, times 0 [ 554.554749][T18470] CPU: 1 UID: 0 PID: 18470 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.554756][T18470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.554761][T18470] Call trace: [ 554.554763][T18470] show_stack+0x2c/0x3c (C) [ 554.554780][T18470] __dump_stack+0x30/0x40 [ 554.554786][T18470] dump_stack_lvl+0xd8/0x12c [ 554.554792][T18470] dump_stack+0x1c/0x28 [ 554.554797][T18470] should_fail_ex+0x41c/0x594 [ 554.554806][T18470] should_failslab+0xc0/0x128 [ 554.554813][T18470] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.554821][T18470] jbd2__journal_start+0x14c/0x51c [ 554.554829][T18470] __ext4_journal_start_sb+0x378/0x88c [ 554.554835][T18470] ext4_zero_range+0x648/0xbc4 [ 554.554841][T18470] ext4_fallocate+0x300/0x384 [ 554.554847][T18470] vfs_fallocate+0x52c/0x668 [ 554.554853][T18470] file_ioctl+0x584/0x75c [ 554.554859][T18470] do_vfs_ioctl+0xa10/0x1834 [ 554.554865][T18470] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.554870][T18470] invoke_syscall+0x98/0x2b8 [ 554.554875][T18470] el0_svc_common+0x130/0x23c [ 554.554880][T18470] do_el0_svc+0x48/0x58 [ 554.554885][T18470] el0_svc+0x5c/0x254 [ 554.554899][T18470] el0t_64_sync_handler+0x84/0x12c [ 554.554906][T18470] el0t_64_sync+0x198/0x19c [ 554.643140][T18472] loop0: detected capacity change from 0 to 32768 [ 554.646514][T18472] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18472) [ 554.646642][T18472] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.647304][T18472] FAULT_INJECTION: forcing a failure. [ 554.647304][T18472] name failslab, interval 1, probability 0, space 0, times 0 [ 554.647318][T18472] CPU: 1 UID: 0 PID: 18472 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.647326][T18472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.647330][T18472] Call trace: [ 554.647333][T18472] show_stack+0x2c/0x3c (C) [ 554.647346][T18472] __dump_stack+0x30/0x40 [ 554.647352][T18472] dump_stack_lvl+0xd8/0x12c [ 554.647357][T18472] dump_stack+0x1c/0x28 [ 554.647362][T18472] should_fail_ex+0x41c/0x594 [ 554.647370][T18472] should_failslab+0xc0/0x128 [ 554.647377][T18472] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.647384][T18472] jbd2__journal_start+0x14c/0x51c [ 554.647392][T18472] __ext4_journal_start_sb+0x378/0x88c [ 554.647399][T18472] ext4_zero_range+0x648/0xbc4 [ 554.647405][T18472] ext4_fallocate+0x300/0x384 [ 554.647411][T18472] vfs_fallocate+0x52c/0x668 [ 554.647417][T18472] file_ioctl+0x584/0x75c [ 554.647423][T18472] do_vfs_ioctl+0xa10/0x1834 [ 554.647428][T18472] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.647434][T18472] invoke_syscall+0x98/0x2b8 [ 554.647440][T18472] el0_svc_common+0x130/0x23c [ 554.647444][T18472] do_el0_svc+0x48/0x58 [ 554.647449][T18472] el0_svc+0x5c/0x254 [ 554.647457][T18472] el0t_64_sync_handler+0x84/0x12c [ 554.647463][T18472] el0t_64_sync+0x198/0x19c [ 554.747601][T18474] loop0: detected capacity change from 0 to 32768 [ 554.751181][T18474] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18474) [ 554.751291][T18474] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.751893][T18474] FAULT_INJECTION: forcing a failure. [ 554.751893][T18474] name failslab, interval 1, probability 0, space 0, times 0 [ 554.751909][T18474] CPU: 1 UID: 0 PID: 18474 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.751916][T18474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.751921][T18474] Call trace: [ 554.751924][T18474] show_stack+0x2c/0x3c (C) [ 554.751937][T18474] __dump_stack+0x30/0x40 [ 554.751943][T18474] dump_stack_lvl+0xd8/0x12c [ 554.751948][T18474] dump_stack+0x1c/0x28 [ 554.751953][T18474] should_fail_ex+0x41c/0x594 [ 554.751962][T18474] should_failslab+0xc0/0x128 [ 554.751970][T18474] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.751979][T18474] jbd2__journal_start+0x14c/0x51c [ 554.751986][T18474] __ext4_journal_start_sb+0x378/0x88c [ 554.751994][T18474] ext4_zero_range+0x648/0xbc4 [ 554.752000][T18474] ext4_fallocate+0x300/0x384 [ 554.752006][T18474] vfs_fallocate+0x52c/0x668 [ 554.752013][T18474] file_ioctl+0x584/0x75c [ 554.752019][T18474] do_vfs_ioctl+0xa10/0x1834 [ 554.752025][T18474] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.752030][T18474] invoke_syscall+0x98/0x2b8 [ 554.752036][T18474] el0_svc_common+0x130/0x23c [ 554.752041][T18474] do_el0_svc+0x48/0x58 [ 554.752046][T18474] el0_svc+0x5c/0x254 [ 554.752054][T18474] el0t_64_sync_handler+0x84/0x12c [ 554.752060][T18474] el0t_64_sync+0x198/0x19c [ 554.841927][T18476] loop0: detected capacity change from 0 to 32768 [ 554.843986][T18476] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18476) [ 554.846337][T18476] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.848667][T18476] FAULT_INJECTION: forcing a failure. [ 554.848667][T18476] name failslab, interval 1, probability 0, space 0, times 0 [ 554.851303][T18476] CPU: 1 UID: 0 PID: 18476 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.851325][T18476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.851331][T18476] Call trace: [ 554.851335][T18476] show_stack+0x2c/0x3c (C) [ 554.851353][T18476] __dump_stack+0x30/0x40 [ 554.851363][T18476] dump_stack_lvl+0xd8/0x12c [ 554.851370][T18476] dump_stack+0x1c/0x28 [ 554.851375][T18476] should_fail_ex+0x41c/0x594 [ 554.851385][T18476] should_failslab+0xc0/0x128 [ 554.851393][T18476] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.851401][T18476] jbd2__journal_start+0x14c/0x51c [ 554.851409][T18476] __ext4_journal_start_sb+0x378/0x88c [ 554.851416][T18476] ext4_zero_range+0x648/0xbc4 [ 554.851423][T18476] ext4_fallocate+0x300/0x384 [ 554.851429][T18476] vfs_fallocate+0x52c/0x668 [ 554.851436][T18476] file_ioctl+0x584/0x75c [ 554.851442][T18476] do_vfs_ioctl+0xa10/0x1834 [ 554.851448][T18476] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.851453][T18476] invoke_syscall+0x98/0x2b8 [ 554.851459][T18476] el0_svc_common+0x130/0x23c [ 554.851465][T18476] do_el0_svc+0x48/0x58 [ 554.851470][T18476] el0_svc+0x5c/0x254 [ 554.851478][T18476] el0t_64_sync_handler+0x84/0x12c [ 554.851484][T18476] el0t_64_sync+0x198/0x19c [ 554.932536][T18478] loop0: detected capacity change from 0 to 32768 [ 554.934191][T18478] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18478) [ 554.934711][T18478] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 554.960927][T18478] FAULT_INJECTION: forcing a failure. [ 554.960927][T18478] name failslab, interval 1, probability 0, space 0, times 0 [ 554.963183][T18478] CPU: 0 UID: 0 PID: 18478 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 554.963208][T18478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 554.963214][T18478] Call trace: [ 554.963218][T18478] show_stack+0x2c/0x3c (C) [ 554.963234][T18478] __dump_stack+0x30/0x40 [ 554.963241][T18478] dump_stack_lvl+0xd8/0x12c [ 554.963246][T18478] dump_stack+0x1c/0x28 [ 554.963251][T18478] should_fail_ex+0x41c/0x594 [ 554.963259][T18478] should_failslab+0xc0/0x128 [ 554.963266][T18478] kmem_cache_alloc_noprof+0x80/0x3e8 [ 554.963273][T18478] jbd2__journal_start+0x14c/0x51c [ 554.963280][T18478] __ext4_journal_start_sb+0x378/0x88c [ 554.963287][T18478] ext4_zero_range+0x648/0xbc4 [ 554.963293][T18478] ext4_fallocate+0x300/0x384 [ 554.963299][T18478] vfs_fallocate+0x52c/0x668 [ 554.963305][T18478] file_ioctl+0x584/0x75c [ 554.963310][T18478] do_vfs_ioctl+0xa10/0x1834 [ 554.963316][T18478] __arm64_sys_ioctl+0xe4/0x1c4 [ 554.963321][T18478] invoke_syscall+0x98/0x2b8 [ 554.963327][T18478] el0_svc_common+0x130/0x23c [ 554.963332][T18478] do_el0_svc+0x48/0x58 [ 554.963336][T18478] el0_svc+0x5c/0x254 [ 554.963344][T18478] el0t_64_sync_handler+0x84/0x12c [ 554.963350][T18478] el0t_64_sync+0x198/0x19c [ 555.052050][T18480] loop0: detected capacity change from 0 to 32768 [ 555.054045][T18480] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 555.054668][T18480] FAULT_INJECTION: forcing a failure. [ 555.054668][T18480] name failslab, interval 1, probability 0, space 0, times 0 [ 555.054687][T18480] CPU: 0 UID: 0 PID: 18480 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 555.054697][T18480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 555.054704][T18480] Call trace: [ 555.054707][T18480] show_stack+0x2c/0x3c (C) [ 555.054722][T18480] __dump_stack+0x30/0x40 [ 555.054729][T18480] dump_stack_lvl+0xd8/0x12c [ 555.054735][T18480] dump_stack+0x1c/0x28 [ 555.054740][T18480] should_fail_ex+0x41c/0x594 [ 555.054748][T18480] should_failslab+0xc0/0x128 [ 555.054755][T18480] kmem_cache_alloc_noprof+0x80/0x3e8 [ 555.054763][T18480] jbd2__journal_start+0x14c/0x51c [ 555.054770][T18480] __ext4_journal_start_sb+0x378/0x88c [ 555.054777][T18480] ext4_zero_range+0x648/0xbc4 [ 555.054783][T18480] ext4_fallocate+0x300/0x384 [ 555.054789][T18480] vfs_fallocate+0x52c/0x668 [ 555.054795][T18480] file_ioctl+0x584/0x75c [ 555.054801][T18480] do_vfs_ioctl+0xa10/0x1834 [ 555.054807][T18480] __arm64_sys_ioctl+0xe4/0x1c4 [ 555.054813][T18480] invoke_syscall+0x98/0x2b8 [ 555.054818][T18480] el0_svc_common+0x130/0x23c [ 555.054823][T18480] do_el0_svc+0x48/0x58 [ 555.054828][T18480] el0_svc+0x5c/0x254 [ 555.054836][T18480] el0t_64_sync_handler+0x84/0x12c [ 555.054842][T18480] el0t_64_sync+0x198/0x19c [ 555.143860][T18481] loop0: detected capacity change from 0 to 32768 [ 555.146032][T18481] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor355 (18481) [ 555.148275][T18481] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 555.173501][T18481] FAULT_INJECTION: forcing a failure. [ 555.173501][T18481] name failslab, interval 1, probability 0, space 0, times 0 [ 555.175799][T18481] CPU: 0 UID: 0 PID: 18481 Comm: syz-executor355 Not tainted syzkaller #0 PREEMPT [ 555.175821][T18481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 555.175833][T18481] Call trace: [ 555.175840][T18481] show_stack+0x2c/0x3c (C) [ 555.175857][T18481] __dump_stack+0x30/0x40 [ 555.175865][T18481] dump_stack_lvl+0xd8/0x12c [ 555.175872][T18481] dump_stack+0x1c/0x28 [ 555.175882][T18481] should_fail_ex+0x41c/0x594 [ 555.175892][T18481] should_failslab+0xc0/0x128 [ 555.175902][T18481] __kmalloc_noprof+0xf4/0x4c8 [ 555.175912][T18481] ext4_find_extent+0x1b0/0xa8c [ 555.175921][T18481] ext4_ext_map_blocks+0x258/0x5494 [ 555.175929][T18481] ext4_map_blocks+0x6f0/0x14a8 [ 555.175935][T18481] ext4_alloc_file_blocks+0x320/0xad4 [ 555.175943][T18481] ext4_zero_range+0x4ac/0xbc4 [ 555.175950][T18481] ext4_fallocate+0x300/0x384 [ 555.175957][T18481] vfs_fallocate+0x52c/0x668 [ 555.175963][T18481] file_ioctl+0x584/0x75c [ 555.175969][T18481] do_vfs_ioctl+0xa10/0x1834 [ 555.175975][T18481] __arm64_sys_ioctl+0xe4/0x1c4 [ 555.175980][T18481] invoke_syscall+0x98/0x2b8 [ 555.175986][T18481] el0_svc_common+0x130/0x23c [ 555.175991][T18481] do_el0_svc+0x48/0x58 [ 555.175995][T18481] el0_svc+0x5c/0x254 [ 555.176003][T18481] el0t_64_sync_handler+0x84/0x12c [ 555.176009][T18481] el0t_64_sync+0x198/0x19c