[ 406.367891][T16038] loop0: detected capacity change from 0 to 32768 [ 406.369736][T16038] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16038) [ 406.369849][T16038] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 406.370763][T16038] FAULT_INJECTION: forcing a failure. [ 406.370763][T16038] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 406.370776][T16038] CPU: 1 UID: 0 PID: 16038 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 406.370783][T16038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.370788][T16038] Call trace: [ 406.370790][T16038] show_stack+0x2c/0x3c (C) [ 406.370804][T16038] __dump_stack+0x30/0x40 [ 406.370811][T16038] dump_stack_lvl+0xd8/0x12c [ 406.370816][T16038] dump_stack+0x1c/0x28 [ 406.370821][T16038] should_fail_ex+0x41c/0x594 [ 406.370829][T16038] should_fail+0x14/0x24 [ 406.370835][T16038] should_fail_usercopy+0x20/0x30 [ 406.370842][T16038] copy_folio_from_iter_atomic+0x37c/0x164c [ 406.370849][T16038] generic_perform_write+0x4d0/0x7bc [ 406.370856][T16038] ext4_buffered_write_iter+0x2b8/0x528 [ 406.370863][T16038] ext4_file_write_iter+0x1d8/0x1864 [ 406.370870][T16038] vfs_write+0x540/0xa3c [ 406.370877][T16038] ksys_write+0x120/0x210 [ 406.370883][T16038] __arm64_sys_write+0x7c/0x90 [ 406.370889][T16038] invoke_syscall+0x98/0x2b8 [ 406.370895][T16038] el0_svc_common+0x130/0x23c [ 406.370900][T16038] do_el0_svc+0x48/0x58 [ 406.370905][T16038] el0_svc+0x58/0x180 [ 406.370913][T16038] el0t_64_sync_handler+0x84/0x12c [ 406.370919][T16038] el0t_64_sync+0x198/0x19c [ 406.462259][T16040] loop0: detected capacity change from 0 to 32768 [ 406.463952][T16040] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16040) [ 406.464394][T16040] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 406.489956][T16040] FAULT_INJECTION: forcing a failure. [ 406.489956][T16040] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 406.489991][T16040] CPU: 0 UID: 0 PID: 16040 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 406.490003][T16040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.490008][T16040] Call trace: [ 406.490011][T16040] show_stack+0x2c/0x3c (C) [ 406.490025][T16040] __dump_stack+0x30/0x40 [ 406.490031][T16040] dump_stack_lvl+0xd8/0x12c [ 406.490036][T16040] dump_stack+0x1c/0x28 [ 406.490041][T16040] should_fail_ex+0x41c/0x594 [ 406.490049][T16040] should_fail+0x14/0x24 [ 406.490055][T16040] should_fail_usercopy+0x20/0x30 [ 406.490062][T16040] copy_folio_from_iter_atomic+0x37c/0x164c [ 406.490069][T16040] generic_perform_write+0x4d0/0x7bc [ 406.490075][T16040] ext4_buffered_write_iter+0x2b8/0x528 [ 406.490083][T16040] ext4_file_write_iter+0x1d8/0x1864 [ 406.490090][T16040] vfs_write+0x540/0xa3c [ 406.490097][T16040] ksys_write+0x120/0x210 [ 406.490103][T16040] __arm64_sys_write+0x7c/0x90 [ 406.490109][T16040] invoke_syscall+0x98/0x2b8 [ 406.490115][T16040] el0_svc_common+0x130/0x23c [ 406.490120][T16040] do_el0_svc+0x48/0x58 [ 406.490125][T16040] el0_svc+0x58/0x180 [ 406.490132][T16040] el0t_64_sync_handler+0x84/0x12c [ 406.490138][T16040] el0t_64_sync+0x198/0x19c [ 406.572643][T16043] loop0: detected capacity change from 0 to 32768 [ 406.576512][T16043] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 406.580216][T16043] FAULT_INJECTION: forcing a failure. [ 406.580216][T16043] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 406.580249][T16043] CPU: 1 UID: 0 PID: 16043 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 406.580257][T16043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.580262][T16043] Call trace: [ 406.580264][T16043] show_stack+0x2c/0x3c (C) [ 406.580278][T16043] __dump_stack+0x30/0x40 [ 406.580285][T16043] dump_stack_lvl+0xd8/0x12c [ 406.580290][T16043] dump_stack+0x1c/0x28 [ 406.580295][T16043] should_fail_ex+0x41c/0x594 [ 406.580303][T16043] should_fail+0x14/0x24 [ 406.580309][T16043] should_fail_usercopy+0x20/0x30 [ 406.580316][T16043] copy_folio_from_iter_atomic+0x37c/0x164c [ 406.580324][T16043] generic_perform_write+0x4d0/0x7bc [ 406.580331][T16043] ext4_buffered_write_iter+0x2b8/0x528 [ 406.580339][T16043] ext4_file_write_iter+0x1d8/0x1864 [ 406.580345][T16043] vfs_write+0x540/0xa3c [ 406.580353][T16043] ksys_write+0x120/0x210 [ 406.580359][T16043] __arm64_sys_write+0x7c/0x90 [ 406.580365][T16043] invoke_syscall+0x98/0x2b8 [ 406.580371][T16043] el0_svc_common+0x130/0x23c [ 406.580376][T16043] do_el0_svc+0x48/0x58 [ 406.580381][T16043] el0_svc+0x58/0x180 [ 406.580388][T16043] el0t_64_sync_handler+0x84/0x12c [ 406.580394][T16043] el0t_64_sync+0x198/0x19c [ 406.677186][T16046] loop0: detected capacity change from 0 to 32768 [ 406.678503][T16046] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16046) [ 406.679216][T16046] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 406.704803][T16046] FAULT_INJECTION: forcing a failure. [ 406.704803][T16046] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 406.704835][T16046] CPU: 1 UID: 0 PID: 16046 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 406.704845][T16046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.704850][T16046] Call trace: [ 406.704854][T16046] show_stack+0x2c/0x3c (C) [ 406.704870][T16046] __dump_stack+0x30/0x40 [ 406.704878][T16046] dump_stack_lvl+0xd8/0x12c [ 406.704884][T16046] dump_stack+0x1c/0x28 [ 406.704889][T16046] should_fail_ex+0x41c/0x594 [ 406.704897][T16046] should_fail+0x14/0x24 [ 406.704903][T16046] should_fail_usercopy+0x20/0x30 [ 406.704910][T16046] copy_folio_from_iter_atomic+0x37c/0x164c [ 406.704917][T16046] generic_perform_write+0x4d0/0x7bc [ 406.704924][T16046] ext4_buffered_write_iter+0x2b8/0x528 [ 406.704931][T16046] ext4_file_write_iter+0x1d8/0x1864 [ 406.704938][T16046] vfs_write+0x540/0xa3c [ 406.704945][T16046] ksys_write+0x120/0x210 [ 406.704951][T16046] __arm64_sys_write+0x7c/0x90 [ 406.704957][T16046] invoke_syscall+0x98/0x2b8 [ 406.704963][T16046] el0_svc_common+0x130/0x23c [ 406.704972][T16046] do_el0_svc+0x48/0x58 [ 406.704977][T16046] el0_svc+0x58/0x180 [ 406.704984][T16046] el0t_64_sync_handler+0x84/0x12c [ 406.704990][T16046] el0t_64_sync+0x198/0x19c [ 406.788623][T16048] loop0: detected capacity change from 0 to 32768 [ 406.791264][T16048] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 406.792830][T16048] FAULT_INJECTION: forcing a failure. [ 406.792830][T16048] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 406.793181][T16048] CPU: 1 UID: 0 PID: 16048 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 406.793200][T16048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.793205][T16048] Call trace: [ 406.793208][T16048] show_stack+0x2c/0x3c (C) [ 406.793222][T16048] __dump_stack+0x30/0x40 [ 406.793230][T16048] dump_stack_lvl+0xd8/0x12c [ 406.793236][T16048] dump_stack+0x1c/0x28 [ 406.793241][T16048] should_fail_ex+0x41c/0x594 [ 406.793249][T16048] should_fail+0x14/0x24 [ 406.793255][T16048] should_fail_usercopy+0x20/0x30 [ 406.793262][T16048] copy_folio_from_iter_atomic+0x37c/0x164c [ 406.793269][T16048] generic_perform_write+0x4d0/0x7bc [ 406.793276][T16048] ext4_buffered_write_iter+0x2b8/0x528 [ 406.793283][T16048] ext4_file_write_iter+0x1d8/0x1864 [ 406.793290][T16048] vfs_write+0x540/0xa3c [ 406.793297][T16048] ksys_write+0x120/0x210 [ 406.793303][T16048] __arm64_sys_write+0x7c/0x90 [ 406.793309][T16048] invoke_syscall+0x98/0x2b8 [ 406.793315][T16048] el0_svc_common+0x130/0x23c [ 406.793320][T16048] do_el0_svc+0x48/0x58 [ 406.793325][T16048] el0_svc+0x58/0x180 [ 406.793335][T16048] el0t_64_sync_handler+0x84/0x12c [ 406.793341][T16048] el0t_64_sync+0x198/0x19c [ 406.879984][T16050] loop0: detected capacity change from 0 to 32768 [ 406.881246][T16050] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16050) [ 406.881758][T16050] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 406.913111][T16050] FAULT_INJECTION: forcing a failure. [ 406.913111][T16050] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 406.915367][T16050] CPU: 0 UID: 0 PID: 16050 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 406.915389][T16050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.915395][T16050] Call trace: [ 406.915399][T16050] show_stack+0x2c/0x3c (C) [ 406.915416][T16050] __dump_stack+0x30/0x40 [ 406.915424][T16050] dump_stack_lvl+0xd8/0x12c [ 406.915430][T16050] dump_stack+0x1c/0x28 [ 406.915435][T16050] should_fail_ex+0x41c/0x594 [ 406.915443][T16050] should_fail+0x14/0x24 [ 406.915449][T16050] should_fail_usercopy+0x20/0x30 [ 406.915456][T16050] copy_folio_from_iter_atomic+0x37c/0x164c [ 406.915463][T16050] generic_perform_write+0x4d0/0x7bc [ 406.915470][T16050] ext4_buffered_write_iter+0x2b8/0x528 [ 406.915478][T16050] ext4_file_write_iter+0x1d8/0x1864 [ 406.915484][T16050] vfs_write+0x540/0xa3c [ 406.915492][T16050] ksys_write+0x120/0x210 [ 406.915498][T16050] __arm64_sys_write+0x7c/0x90 [ 406.915504][T16050] invoke_syscall+0x98/0x2b8 [ 406.915510][T16050] el0_svc_common+0x130/0x23c [ 406.915515][T16050] do_el0_svc+0x48/0x58 [ 406.915520][T16050] el0_svc+0x58/0x180 [ 406.915527][T16050] el0t_64_sync_handler+0x84/0x12c [ 406.915533][T16050] el0t_64_sync+0x198/0x19c [ 407.003834][T16053] loop0: detected capacity change from 0 to 32768 [ 407.006505][T16053] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.008131][T16053] FAULT_INJECTION: forcing a failure. [ 407.008131][T16053] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.008677][T16053] CPU: 1 UID: 0 PID: 16053 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.008695][T16053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.008700][T16053] Call trace: [ 407.008704][T16053] show_stack+0x2c/0x3c (C) [ 407.008717][T16053] __dump_stack+0x30/0x40 [ 407.008725][T16053] dump_stack_lvl+0xd8/0x12c [ 407.008730][T16053] dump_stack+0x1c/0x28 [ 407.008735][T16053] should_fail_ex+0x41c/0x594 [ 407.008743][T16053] should_fail+0x14/0x24 [ 407.008749][T16053] should_fail_usercopy+0x20/0x30 [ 407.008755][T16053] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.008762][T16053] generic_perform_write+0x4d0/0x7bc [ 407.008769][T16053] ext4_buffered_write_iter+0x2b8/0x528 [ 407.008778][T16053] ext4_file_write_iter+0x1d8/0x1864 [ 407.008784][T16053] vfs_write+0x540/0xa3c [ 407.008791][T16053] ksys_write+0x120/0x210 [ 407.008802][T16053] __arm64_sys_write+0x7c/0x90 [ 407.008809][T16053] invoke_syscall+0x98/0x2b8 [ 407.008815][T16053] el0_svc_common+0x130/0x23c [ 407.008821][T16053] do_el0_svc+0x48/0x58 [ 407.008827][T16053] el0_svc+0x58/0x180 [ 407.008835][T16053] el0t_64_sync_handler+0x84/0x12c [ 407.008841][T16053] el0t_64_sync+0x198/0x19c [ 407.091777][T16055] loop0: detected capacity change from 0 to 32768 [ 407.093761][T16055] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16055) [ 407.093897][T16055] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.121183][T16055] FAULT_INJECTION: forcing a failure. [ 407.121183][T16055] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.121211][T16055] CPU: 0 UID: 0 PID: 16055 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.121221][T16055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.121225][T16055] Call trace: [ 407.121228][T16055] show_stack+0x2c/0x3c (C) [ 407.121241][T16055] __dump_stack+0x30/0x40 [ 407.121247][T16055] dump_stack_lvl+0xd8/0x12c [ 407.121252][T16055] dump_stack+0x1c/0x28 [ 407.121257][T16055] should_fail_ex+0x41c/0x594 [ 407.121264][T16055] should_fail+0x14/0x24 [ 407.121270][T16055] should_fail_usercopy+0x20/0x30 [ 407.121277][T16055] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.121285][T16055] generic_perform_write+0x4d0/0x7bc [ 407.121291][T16055] ext4_buffered_write_iter+0x2b8/0x528 [ 407.121299][T16055] ext4_file_write_iter+0x1d8/0x1864 [ 407.121306][T16055] vfs_write+0x540/0xa3c [ 407.121312][T16055] ksys_write+0x120/0x210 [ 407.121318][T16055] __arm64_sys_write+0x7c/0x90 [ 407.121325][T16055] invoke_syscall+0x98/0x2b8 [ 407.121330][T16055] el0_svc_common+0x130/0x23c [ 407.121336][T16055] do_el0_svc+0x48/0x58 [ 407.121341][T16055] el0_svc+0x58/0x180 [ 407.121348][T16055] el0t_64_sync_handler+0x84/0x12c [ 407.121354][T16055] el0t_64_sync+0x198/0x19c [ 407.204955][T16058] loop0: detected capacity change from 0 to 32768 [ 407.206576][T16058] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.209029][T16058] FAULT_INJECTION: forcing a failure. [ 407.209029][T16058] name failslab, interval 1, probability 0, space 0, times 0 [ 407.209060][T16058] CPU: 1 UID: 0 PID: 16058 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.209070][T16058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.209076][T16058] Call trace: [ 407.209079][T16058] show_stack+0x2c/0x3c (C) [ 407.209092][T16058] __dump_stack+0x30/0x40 [ 407.209100][T16058] dump_stack_lvl+0xd8/0x12c [ 407.209105][T16058] dump_stack+0x1c/0x28 [ 407.209110][T16058] should_fail_ex+0x41c/0x594 [ 407.209119][T16058] should_failslab+0xc0/0x128 [ 407.209126][T16058] kmem_cache_alloc_noprof+0x80/0x3e8 [ 407.209134][T16058] __es_insert_extent+0x52c/0x1234 [ 407.209141][T16058] ext4_es_insert_delayed_extent+0x424/0xcc8 [ 407.209148][T16058] ext4_da_get_block_prep+0x898/0x10cc [ 407.209154][T16058] ext4_block_write_begin+0x7ac/0x1328 [ 407.209159][T16058] ext4_da_write_begin+0x73c/0xc28 [ 407.209166][T16058] generic_perform_write+0x244/0x7bc [ 407.209172][T16058] ext4_buffered_write_iter+0x2b8/0x528 [ 407.209181][T16058] ext4_file_write_iter+0x1d8/0x1864 [ 407.209187][T16058] vfs_write+0x540/0xa3c [ 407.209194][T16058] ksys_write+0x120/0x210 [ 407.209200][T16058] __arm64_sys_write+0x7c/0x90 [ 407.209206][T16058] invoke_syscall+0x98/0x2b8 [ 407.209212][T16058] el0_svc_common+0x130/0x23c [ 407.209217][T16058] do_el0_svc+0x48/0x58 [ 407.209222][T16058] el0_svc+0x58/0x180 [ 407.209229][T16058] el0t_64_sync_handler+0x84/0x12c [ 407.209236][T16058] el0t_64_sync+0x198/0x19c [ 407.314975][T16060] loop0: detected capacity change from 0 to 32768 [ 407.317060][T16060] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16060) [ 407.317182][T16060] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.318725][T16060] FAULT_INJECTION: forcing a failure. [ 407.318725][T16060] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.318739][T16060] CPU: 1 UID: 0 PID: 16060 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.318747][T16060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.318751][T16060] Call trace: [ 407.318754][T16060] show_stack+0x2c/0x3c (C) [ 407.318768][T16060] __dump_stack+0x30/0x40 [ 407.318774][T16060] dump_stack_lvl+0xd8/0x12c [ 407.318780][T16060] dump_stack+0x1c/0x28 [ 407.318785][T16060] should_fail_ex+0x41c/0x594 [ 407.318793][T16060] should_fail+0x14/0x24 [ 407.318803][T16060] should_fail_usercopy+0x20/0x30 [ 407.318811][T16060] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.318819][T16060] generic_perform_write+0x4d0/0x7bc [ 407.318826][T16060] ext4_buffered_write_iter+0x2b8/0x528 [ 407.318835][T16060] ext4_file_write_iter+0x1d8/0x1864 [ 407.318841][T16060] vfs_write+0x540/0xa3c [ 407.318848][T16060] ksys_write+0x120/0x210 [ 407.318855][T16060] __arm64_sys_write+0x7c/0x90 [ 407.318861][T16060] invoke_syscall+0x98/0x2b8 [ 407.318867][T16060] el0_svc_common+0x130/0x23c [ 407.318872][T16060] do_el0_svc+0x48/0x58 [ 407.318877][T16060] el0_svc+0x58/0x180 [ 407.318884][T16060] el0t_64_sync_handler+0x84/0x12c [ 407.318891][T16060] el0t_64_sync+0x198/0x19c [ 407.408577][T16063] loop0: detected capacity change from 0 to 32768 [ 407.410629][T16063] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16063) [ 407.410760][T16063] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.435825][T16063] FAULT_INJECTION: forcing a failure. [ 407.435825][T16063] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.438044][T16063] CPU: 0 UID: 0 PID: 16063 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.438061][T16063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.438066][T16063] Call trace: [ 407.438070][T16063] show_stack+0x2c/0x3c (C) [ 407.438082][T16063] __dump_stack+0x30/0x40 [ 407.438089][T16063] dump_stack_lvl+0xd8/0x12c [ 407.438094][T16063] dump_stack+0x1c/0x28 [ 407.438099][T16063] should_fail_ex+0x41c/0x594 [ 407.438107][T16063] should_fail+0x14/0x24 [ 407.438113][T16063] should_fail_usercopy+0x20/0x30 [ 407.438120][T16063] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.438127][T16063] generic_perform_write+0x4d0/0x7bc [ 407.438134][T16063] ext4_buffered_write_iter+0x2b8/0x528 [ 407.438142][T16063] ext4_file_write_iter+0x1d8/0x1864 [ 407.438148][T16063] vfs_write+0x540/0xa3c [ 407.438155][T16063] ksys_write+0x120/0x210 [ 407.438161][T16063] __arm64_sys_write+0x7c/0x90 [ 407.438167][T16063] invoke_syscall+0x98/0x2b8 [ 407.438173][T16063] el0_svc_common+0x130/0x23c [ 407.438178][T16063] do_el0_svc+0x48/0x58 [ 407.438183][T16063] el0_svc+0x58/0x180 [ 407.438190][T16063] el0t_64_sync_handler+0x84/0x12c [ 407.438197][T16063] el0t_64_sync+0x198/0x19c [ 407.542408][T16066] loop0: detected capacity change from 0 to 32768 [ 407.543882][T16066] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.546792][T16066] FAULT_INJECTION: forcing a failure. [ 407.546792][T16066] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.548916][T16066] CPU: 0 UID: 0 PID: 16066 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.548930][T16066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.548935][T16066] Call trace: [ 407.548938][T16066] show_stack+0x2c/0x3c (C) [ 407.548956][T16066] __dump_stack+0x30/0x40 [ 407.548963][T16066] dump_stack_lvl+0xd8/0x12c [ 407.548969][T16066] dump_stack+0x1c/0x28 [ 407.548975][T16066] should_fail_ex+0x41c/0x594 [ 407.548983][T16066] should_fail+0x14/0x24 [ 407.548989][T16066] should_fail_usercopy+0x20/0x30 [ 407.548996][T16066] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.549003][T16066] generic_perform_write+0x4d0/0x7bc [ 407.549010][T16066] ext4_buffered_write_iter+0x2b8/0x528 [ 407.549018][T16066] ext4_file_write_iter+0x1d8/0x1864 [ 407.549025][T16066] vfs_write+0x540/0xa3c [ 407.549032][T16066] ksys_write+0x120/0x210 [ 407.549038][T16066] __arm64_sys_write+0x7c/0x90 [ 407.549044][T16066] invoke_syscall+0x98/0x2b8 [ 407.549050][T16066] el0_svc_common+0x130/0x23c [ 407.549055][T16066] do_el0_svc+0x48/0x58 [ 407.549061][T16066] el0_svc+0x58/0x180 [ 407.549068][T16066] el0t_64_sync_handler+0x84/0x12c [ 407.549074][T16066] el0t_64_sync+0x198/0x19c [ 407.636649][T16068] loop0: detected capacity change from 0 to 32768 [ 407.637999][T16068] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16068) [ 407.640129][T16068] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.643838][T16068] FAULT_INJECTION: forcing a failure. [ 407.643838][T16068] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.646157][T16068] CPU: 1 UID: 0 PID: 16068 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.646182][T16068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.646188][T16068] Call trace: [ 407.646191][T16068] show_stack+0x2c/0x3c (C) [ 407.646207][T16068] __dump_stack+0x30/0x40 [ 407.646217][T16068] dump_stack_lvl+0xd8/0x12c [ 407.646224][T16068] dump_stack+0x1c/0x28 [ 407.646231][T16068] should_fail_ex+0x41c/0x594 [ 407.646239][T16068] should_fail+0x14/0x24 [ 407.646246][T16068] should_fail_usercopy+0x20/0x30 [ 407.646252][T16068] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.646259][T16068] generic_perform_write+0x4d0/0x7bc [ 407.646266][T16068] ext4_buffered_write_iter+0x2b8/0x528 [ 407.646274][T16068] ext4_file_write_iter+0x1d8/0x1864 [ 407.646280][T16068] vfs_write+0x540/0xa3c [ 407.646287][T16068] ksys_write+0x120/0x210 [ 407.646293][T16068] __arm64_sys_write+0x7c/0x90 [ 407.646300][T16068] invoke_syscall+0x98/0x2b8 [ 407.646305][T16068] el0_svc_common+0x130/0x23c [ 407.646311][T16068] do_el0_svc+0x48/0x58 [ 407.646316][T16068] el0_svc+0x58/0x180 [ 407.646323][T16068] el0t_64_sync_handler+0x84/0x12c [ 407.646329][T16068] el0t_64_sync+0x198/0x19c [ 407.730877][T16071] loop0: detected capacity change from 0 to 32768 [ 407.732070][T16071] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16071) [ 407.732194][T16071] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.735074][T16071] FAULT_INJECTION: forcing a failure. [ 407.735074][T16071] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.735089][T16071] CPU: 0 UID: 0 PID: 16071 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.735096][T16071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.735101][T16071] Call trace: [ 407.735104][T16071] show_stack+0x2c/0x3c (C) [ 407.735116][T16071] __dump_stack+0x30/0x40 [ 407.735123][T16071] dump_stack_lvl+0xd8/0x12c [ 407.735128][T16071] dump_stack+0x1c/0x28 [ 407.735133][T16071] should_fail_ex+0x41c/0x594 [ 407.735141][T16071] should_fail+0x14/0x24 [ 407.735147][T16071] should_fail_usercopy+0x20/0x30 [ 407.735154][T16071] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.735161][T16071] generic_perform_write+0x4d0/0x7bc [ 407.735167][T16071] ext4_buffered_write_iter+0x2b8/0x528 [ 407.735175][T16071] ext4_file_write_iter+0x1d8/0x1864 [ 407.735181][T16071] vfs_write+0x540/0xa3c [ 407.735188][T16071] ksys_write+0x120/0x210 [ 407.735194][T16071] __arm64_sys_write+0x7c/0x90 [ 407.735200][T16071] invoke_syscall+0x98/0x2b8 [ 407.735206][T16071] el0_svc_common+0x130/0x23c [ 407.735211][T16071] do_el0_svc+0x48/0x58 [ 407.735217][T16071] el0_svc+0x58/0x180 [ 407.735224][T16071] el0t_64_sync_handler+0x84/0x12c [ 407.735230][T16071] el0t_64_sync+0x198/0x19c [ 407.835982][T16074] loop0: detected capacity change from 0 to 32768 [ 407.837273][T16074] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16074) [ 407.837381][T16074] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.858082][T16074] FAULT_INJECTION: forcing a failure. [ 407.858082][T16074] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.858119][T16074] CPU: 0 UID: 0 PID: 16074 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.858127][T16074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.858132][T16074] Call trace: [ 407.858134][T16074] show_stack+0x2c/0x3c (C) [ 407.858147][T16074] __dump_stack+0x30/0x40 [ 407.858153][T16074] dump_stack_lvl+0xd8/0x12c [ 407.858159][T16074] dump_stack+0x1c/0x28 [ 407.858164][T16074] should_fail_ex+0x41c/0x594 [ 407.858171][T16074] should_fail+0x14/0x24 [ 407.858177][T16074] should_fail_usercopy+0x20/0x30 [ 407.858184][T16074] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.858192][T16074] generic_perform_write+0x4d0/0x7bc [ 407.858198][T16074] ext4_buffered_write_iter+0x2b8/0x528 [ 407.858206][T16074] ext4_file_write_iter+0x1d8/0x1864 [ 407.858213][T16074] vfs_write+0x540/0xa3c [ 407.858220][T16074] ksys_write+0x120/0x210 [ 407.858226][T16074] __arm64_sys_write+0x7c/0x90 [ 407.858232][T16074] invoke_syscall+0x98/0x2b8 [ 407.858238][T16074] el0_svc_common+0x130/0x23c [ 407.858243][T16074] do_el0_svc+0x48/0x58 [ 407.858248][T16074] el0_svc+0x58/0x180 [ 407.858255][T16074] el0t_64_sync_handler+0x84/0x12c [ 407.858261][T16074] el0t_64_sync+0x198/0x19c [ 407.940699][T16077] loop0: detected capacity change from 0 to 32768 [ 407.942146][T16077] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 407.943460][T16077] FAULT_INJECTION: forcing a failure. [ 407.943460][T16077] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 407.943474][T16077] CPU: 0 UID: 0 PID: 16077 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 407.943482][T16077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.943486][T16077] Call trace: [ 407.943489][T16077] show_stack+0x2c/0x3c (C) [ 407.943502][T16077] __dump_stack+0x30/0x40 [ 407.943509][T16077] dump_stack_lvl+0xd8/0x12c [ 407.943514][T16077] dump_stack+0x1c/0x28 [ 407.943519][T16077] should_fail_ex+0x41c/0x594 [ 407.943527][T16077] should_fail+0x14/0x24 [ 407.943534][T16077] should_fail_usercopy+0x20/0x30 [ 407.943541][T16077] copy_folio_from_iter_atomic+0x37c/0x164c [ 407.943548][T16077] generic_perform_write+0x4d0/0x7bc [ 407.943554][T16077] ext4_buffered_write_iter+0x2b8/0x528 [ 407.943562][T16077] ext4_file_write_iter+0x1d8/0x1864 [ 407.943569][T16077] vfs_write+0x540/0xa3c [ 407.943576][T16077] ksys_write+0x120/0x210 [ 407.943582][T16077] __arm64_sys_write+0x7c/0x90 [ 407.943589][T16077] invoke_syscall+0x98/0x2b8 [ 407.943595][T16077] el0_svc_common+0x130/0x23c [ 407.943600][T16077] do_el0_svc+0x48/0x58 [ 407.943605][T16077] el0_svc+0x58/0x180 [ 407.943612][T16077] el0t_64_sync_handler+0x84/0x12c [ 407.943619][T16077] el0t_64_sync+0x198/0x19c [ 408.036145][T16079] loop0: detected capacity change from 0 to 32768 [ 408.039513][T16079] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16079) [ 408.041736][T16079] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.044708][T16079] FAULT_INJECTION: forcing a failure. [ 408.044708][T16079] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.047113][T16079] CPU: 1 UID: 0 PID: 16079 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.047136][T16079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.047147][T16079] Call trace: [ 408.047152][T16079] show_stack+0x2c/0x3c (C) [ 408.047167][T16079] __dump_stack+0x30/0x40 [ 408.047174][T16079] dump_stack_lvl+0xd8/0x12c [ 408.047180][T16079] dump_stack+0x1c/0x28 [ 408.047185][T16079] should_fail_ex+0x41c/0x594 [ 408.047193][T16079] should_fail+0x14/0x24 [ 408.047199][T16079] should_fail_usercopy+0x20/0x30 [ 408.047206][T16079] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.047213][T16079] generic_perform_write+0x4d0/0x7bc [ 408.047220][T16079] ext4_buffered_write_iter+0x2b8/0x528 [ 408.047228][T16079] ext4_file_write_iter+0x1d8/0x1864 [ 408.047235][T16079] vfs_write+0x540/0xa3c [ 408.047242][T16079] ksys_write+0x120/0x210 [ 408.047248][T16079] __arm64_sys_write+0x7c/0x90 [ 408.047254][T16079] invoke_syscall+0x98/0x2b8 [ 408.047260][T16079] el0_svc_common+0x130/0x23c [ 408.047265][T16079] do_el0_svc+0x48/0x58 [ 408.047270][T16079] el0_svc+0x58/0x180 [ 408.047278][T16079] el0t_64_sync_handler+0x84/0x12c [ 408.047285][T16079] el0t_64_sync+0x198/0x19c [ 408.141895][T16083] loop0: detected capacity change from 0 to 32768 [ 408.142639][T16083] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16083) [ 408.142721][T16083] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.167935][T16083] FAULT_INJECTION: forcing a failure. [ 408.167935][T16083] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.167969][T16083] CPU: 0 UID: 0 PID: 16083 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.167981][T16083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.167986][T16083] Call trace: [ 408.167990][T16083] show_stack+0x2c/0x3c (C) [ 408.168003][T16083] __dump_stack+0x30/0x40 [ 408.168010][T16083] dump_stack_lvl+0xd8/0x12c [ 408.168015][T16083] dump_stack+0x1c/0x28 [ 408.168020][T16083] should_fail_ex+0x41c/0x594 [ 408.168028][T16083] should_fail+0x14/0x24 [ 408.168035][T16083] should_fail_usercopy+0x20/0x30 [ 408.168041][T16083] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.168048][T16083] generic_perform_write+0x4d0/0x7bc [ 408.168055][T16083] ext4_buffered_write_iter+0x2b8/0x528 [ 408.168063][T16083] ext4_file_write_iter+0x1d8/0x1864 [ 408.168070][T16083] vfs_write+0x540/0xa3c [ 408.168077][T16083] ksys_write+0x120/0x210 [ 408.168083][T16083] __arm64_sys_write+0x7c/0x90 [ 408.168089][T16083] invoke_syscall+0x98/0x2b8 [ 408.168095][T16083] el0_svc_common+0x130/0x23c [ 408.168100][T16083] do_el0_svc+0x48/0x58 [ 408.168105][T16083] el0_svc+0x58/0x180 [ 408.168113][T16083] el0t_64_sync_handler+0x84/0x12c [ 408.168119][T16083] el0t_64_sync+0x198/0x19c [ 408.260297][T16085] loop0: detected capacity change from 0 to 32768 [ 408.261794][T16085] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.262766][T16085] FAULT_INJECTION: forcing a failure. [ 408.262766][T16085] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.262779][T16085] CPU: 0 UID: 0 PID: 16085 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.262787][T16085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.262791][T16085] Call trace: [ 408.262793][T16085] show_stack+0x2c/0x3c (C) [ 408.262805][T16085] __dump_stack+0x30/0x40 [ 408.262812][T16085] dump_stack_lvl+0xd8/0x12c [ 408.262817][T16085] dump_stack+0x1c/0x28 [ 408.262821][T16085] should_fail_ex+0x41c/0x594 [ 408.262829][T16085] should_fail+0x14/0x24 [ 408.262835][T16085] should_fail_usercopy+0x20/0x30 [ 408.262841][T16085] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.262848][T16085] generic_perform_write+0x4d0/0x7bc [ 408.262854][T16085] ext4_buffered_write_iter+0x2b8/0x528 [ 408.262862][T16085] ext4_file_write_iter+0x1d8/0x1864 [ 408.262868][T16085] vfs_write+0x540/0xa3c [ 408.262875][T16085] ksys_write+0x120/0x210 [ 408.262880][T16085] __arm64_sys_write+0x7c/0x90 [ 408.262887][T16085] invoke_syscall+0x98/0x2b8 [ 408.262892][T16085] el0_svc_common+0x130/0x23c [ 408.262897][T16085] do_el0_svc+0x48/0x58 [ 408.262902][T16085] el0_svc+0x58/0x180 [ 408.262909][T16085] el0t_64_sync_handler+0x84/0x12c [ 408.262915][T16085] el0t_64_sync+0x198/0x19c [ 408.352709][T16087] loop0: detected capacity change from 0 to 32768 [ 408.354315][T16087] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16087) [ 408.354691][T16087] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.356221][T16087] FAULT_INJECTION: forcing a failure. [ 408.356221][T16087] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.356235][T16087] CPU: 0 UID: 0 PID: 16087 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.356243][T16087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.356247][T16087] Call trace: [ 408.356250][T16087] show_stack+0x2c/0x3c (C) [ 408.356263][T16087] __dump_stack+0x30/0x40 [ 408.356269][T16087] dump_stack_lvl+0xd8/0x12c [ 408.356274][T16087] dump_stack+0x1c/0x28 [ 408.356279][T16087] should_fail_ex+0x41c/0x594 [ 408.356286][T16087] should_fail+0x14/0x24 [ 408.356292][T16087] should_fail_usercopy+0x20/0x30 [ 408.356299][T16087] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.356306][T16087] generic_perform_write+0x4d0/0x7bc [ 408.356313][T16087] ext4_buffered_write_iter+0x2b8/0x528 [ 408.356320][T16087] ext4_file_write_iter+0x1d8/0x1864 [ 408.356327][T16087] vfs_write+0x540/0xa3c [ 408.356334][T16087] ksys_write+0x120/0x210 [ 408.356340][T16087] __arm64_sys_write+0x7c/0x90 [ 408.356346][T16087] invoke_syscall+0x98/0x2b8 [ 408.356352][T16087] el0_svc_common+0x130/0x23c [ 408.356357][T16087] do_el0_svc+0x48/0x58 [ 408.356362][T16087] el0_svc+0x58/0x180 [ 408.356370][T16087] el0t_64_sync_handler+0x84/0x12c [ 408.356376][T16087] el0t_64_sync+0x198/0x19c [ 408.452886][T16090] loop0: detected capacity change from 0 to 32768 [ 408.453949][T16090] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16090) [ 408.454043][T16090] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.454921][T16090] FAULT_INJECTION: forcing a failure. [ 408.454921][T16090] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.454936][T16090] CPU: 0 UID: 0 PID: 16090 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.454944][T16090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.454948][T16090] Call trace: [ 408.454951][T16090] show_stack+0x2c/0x3c (C) [ 408.454971][T16090] __dump_stack+0x30/0x40 [ 408.454980][T16090] dump_stack_lvl+0xd8/0x12c [ 408.454988][T16090] dump_stack+0x1c/0x28 [ 408.454994][T16090] should_fail_ex+0x41c/0x594 [ 408.455002][T16090] should_fail+0x14/0x24 [ 408.455008][T16090] should_fail_usercopy+0x20/0x30 [ 408.455015][T16090] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.455022][T16090] generic_perform_write+0x4d0/0x7bc [ 408.455029][T16090] ext4_buffered_write_iter+0x2b8/0x528 [ 408.455037][T16090] ext4_file_write_iter+0x1d8/0x1864 [ 408.455043][T16090] vfs_write+0x540/0xa3c [ 408.455051][T16090] ksys_write+0x120/0x210 [ 408.455057][T16090] __arm64_sys_write+0x7c/0x90 [ 408.455063][T16090] invoke_syscall+0x98/0x2b8 [ 408.455069][T16090] el0_svc_common+0x130/0x23c [ 408.455074][T16090] do_el0_svc+0x48/0x58 [ 408.455079][T16090] el0_svc+0x58/0x180 [ 408.455087][T16090] el0t_64_sync_handler+0x84/0x12c [ 408.455093][T16090] el0t_64_sync+0x198/0x19c [ 408.557163][T16093] loop0: detected capacity change from 0 to 32768 [ 408.559586][T16093] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.563004][T16093] FAULT_INJECTION: forcing a failure. [ 408.563004][T16093] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.565321][T16093] CPU: 1 UID: 0 PID: 16093 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.565340][T16093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.565345][T16093] Call trace: [ 408.565348][T16093] show_stack+0x2c/0x3c (C) [ 408.565364][T16093] __dump_stack+0x30/0x40 [ 408.565372][T16093] dump_stack_lvl+0xd8/0x12c [ 408.565378][T16093] dump_stack+0x1c/0x28 [ 408.565383][T16093] should_fail_ex+0x41c/0x594 [ 408.565391][T16093] should_fail+0x14/0x24 [ 408.565397][T16093] should_fail_usercopy+0x20/0x30 [ 408.565404][T16093] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.565411][T16093] generic_perform_write+0x4d0/0x7bc [ 408.565418][T16093] ext4_buffered_write_iter+0x2b8/0x528 [ 408.565425][T16093] ext4_file_write_iter+0x1d8/0x1864 [ 408.565432][T16093] vfs_write+0x540/0xa3c [ 408.565439][T16093] ksys_write+0x120/0x210 [ 408.565445][T16093] __arm64_sys_write+0x7c/0x90 [ 408.565451][T16093] invoke_syscall+0x98/0x2b8 [ 408.565457][T16093] el0_svc_common+0x130/0x23c [ 408.565462][T16093] do_el0_svc+0x48/0x58 [ 408.565467][T16093] el0_svc+0x58/0x180 [ 408.565474][T16093] el0t_64_sync_handler+0x84/0x12c [ 408.565480][T16093] el0t_64_sync+0x198/0x19c [ 408.667127][T16096] loop0: detected capacity change from 0 to 32768 [ 408.669299][T16096] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16096) [ 408.671722][T16096] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.674473][T16096] FAULT_INJECTION: forcing a failure. [ 408.674473][T16096] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.676815][T16096] CPU: 1 UID: 0 PID: 16096 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.676837][T16096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.676843][T16096] Call trace: [ 408.676847][T16096] show_stack+0x2c/0x3c (C) [ 408.676863][T16096] __dump_stack+0x30/0x40 [ 408.676872][T16096] dump_stack_lvl+0xd8/0x12c [ 408.676879][T16096] dump_stack+0x1c/0x28 [ 408.676885][T16096] should_fail_ex+0x41c/0x594 [ 408.676893][T16096] should_fail+0x14/0x24 [ 408.676900][T16096] should_fail_usercopy+0x20/0x30 [ 408.676907][T16096] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.676916][T16096] generic_perform_write+0x4d0/0x7bc [ 408.676923][T16096] ext4_buffered_write_iter+0x2b8/0x528 [ 408.676931][T16096] ext4_file_write_iter+0x1d8/0x1864 [ 408.676937][T16096] vfs_write+0x540/0xa3c [ 408.676944][T16096] ksys_write+0x120/0x210 [ 408.676950][T16096] __arm64_sys_write+0x7c/0x90 [ 408.676956][T16096] invoke_syscall+0x98/0x2b8 [ 408.676962][T16096] el0_svc_common+0x130/0x23c [ 408.676970][T16096] do_el0_svc+0x48/0x58 [ 408.676976][T16096] el0_svc+0x58/0x180 [ 408.676985][T16096] el0t_64_sync_handler+0x84/0x12c [ 408.676992][T16096] el0t_64_sync+0x198/0x19c [ 408.787205][T16099] loop0: detected capacity change from 0 to 32768 [ 408.789398][T16099] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16099) [ 408.791760][T16099] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.794350][T16099] FAULT_INJECTION: forcing a failure. [ 408.794350][T16099] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.796796][T16099] CPU: 1 UID: 0 PID: 16099 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.796818][T16099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.796825][T16099] Call trace: [ 408.796829][T16099] show_stack+0x2c/0x3c (C) [ 408.796846][T16099] __dump_stack+0x30/0x40 [ 408.796856][T16099] dump_stack_lvl+0xd8/0x12c [ 408.796862][T16099] dump_stack+0x1c/0x28 [ 408.796868][T16099] should_fail_ex+0x41c/0x594 [ 408.796876][T16099] should_fail+0x14/0x24 [ 408.796882][T16099] should_fail_usercopy+0x20/0x30 [ 408.796889][T16099] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.796896][T16099] generic_perform_write+0x4d0/0x7bc [ 408.796902][T16099] ext4_buffered_write_iter+0x2b8/0x528 [ 408.796910][T16099] ext4_file_write_iter+0x1d8/0x1864 [ 408.796917][T16099] vfs_write+0x540/0xa3c [ 408.796923][T16099] ksys_write+0x120/0x210 [ 408.796929][T16099] __arm64_sys_write+0x7c/0x90 [ 408.796935][T16099] invoke_syscall+0x98/0x2b8 [ 408.796941][T16099] el0_svc_common+0x130/0x23c [ 408.796946][T16099] do_el0_svc+0x48/0x58 [ 408.796951][T16099] el0_svc+0x58/0x180 [ 408.796958][T16099] el0t_64_sync_handler+0x84/0x12c [ 408.796968][T16099] el0t_64_sync+0x198/0x19c [ 408.897408][T16102] loop0: detected capacity change from 0 to 32768 [ 408.899547][T16102] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16102) [ 408.899680][T16102] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 408.900762][T16102] FAULT_INJECTION: forcing a failure. [ 408.900762][T16102] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 408.900776][T16102] CPU: 0 UID: 0 PID: 16102 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 408.900784][T16102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.900788][T16102] Call trace: [ 408.900791][T16102] show_stack+0x2c/0x3c (C) [ 408.900803][T16102] __dump_stack+0x30/0x40 [ 408.900809][T16102] dump_stack_lvl+0xd8/0x12c [ 408.900814][T16102] dump_stack+0x1c/0x28 [ 408.900819][T16102] should_fail_ex+0x41c/0x594 [ 408.900827][T16102] should_fail+0x14/0x24 [ 408.900833][T16102] should_fail_usercopy+0x20/0x30 [ 408.900839][T16102] copy_folio_from_iter_atomic+0x37c/0x164c [ 408.900846][T16102] generic_perform_write+0x4d0/0x7bc [ 408.900853][T16102] ext4_buffered_write_iter+0x2b8/0x528 [ 408.900861][T16102] ext4_file_write_iter+0x1d8/0x1864 [ 408.900867][T16102] vfs_write+0x540/0xa3c [ 408.900874][T16102] ksys_write+0x120/0x210 [ 408.900880][T16102] __arm64_sys_write+0x7c/0x90 [ 408.900886][T16102] invoke_syscall+0x98/0x2b8 [ 408.900892][T16102] el0_svc_common+0x130/0x23c [ 408.900897][T16102] do_el0_svc+0x48/0x58 [ 408.900902][T16102] el0_svc+0x58/0x180 [ 408.900910][T16102] el0t_64_sync_handler+0x84/0x12c [ 408.900916][T16102] el0t_64_sync+0x198/0x19c [ 409.003042][T16104] loop0: detected capacity change from 0 to 32768 [ 409.004515][T16104] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16104) [ 409.004940][T16104] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.007045][T16104] FAULT_INJECTION: forcing a failure. [ 409.007045][T16104] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.007059][T16104] CPU: 0 UID: 0 PID: 16104 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.007067][T16104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.007072][T16104] Call trace: [ 409.007075][T16104] show_stack+0x2c/0x3c (C) [ 409.007086][T16104] __dump_stack+0x30/0x40 [ 409.007093][T16104] dump_stack_lvl+0xd8/0x12c [ 409.007098][T16104] dump_stack+0x1c/0x28 [ 409.007103][T16104] should_fail_ex+0x41c/0x594 [ 409.007110][T16104] should_fail+0x14/0x24 [ 409.007116][T16104] should_fail_usercopy+0x20/0x30 [ 409.007123][T16104] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.007130][T16104] generic_perform_write+0x4d0/0x7bc [ 409.007136][T16104] ext4_buffered_write_iter+0x2b8/0x528 [ 409.007144][T16104] ext4_file_write_iter+0x1d8/0x1864 [ 409.007150][T16104] vfs_write+0x540/0xa3c [ 409.007157][T16104] ksys_write+0x120/0x210 [ 409.007163][T16104] __arm64_sys_write+0x7c/0x90 [ 409.007170][T16104] invoke_syscall+0x98/0x2b8 [ 409.007175][T16104] el0_svc_common+0x130/0x23c [ 409.007180][T16104] do_el0_svc+0x48/0x58 [ 409.007185][T16104] el0_svc+0x58/0x180 [ 409.007193][T16104] el0t_64_sync_handler+0x84/0x12c [ 409.007199][T16104] el0t_64_sync+0x198/0x19c [ 409.105707][T16107] loop0: detected capacity change from 0 to 32768 [ 409.106920][T16107] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16107) [ 409.107440][T16107] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.108623][T16107] FAULT_INJECTION: forcing a failure. [ 409.108623][T16107] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.108639][T16107] CPU: 0 UID: 0 PID: 16107 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.108647][T16107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.108652][T16107] Call trace: [ 409.108655][T16107] show_stack+0x2c/0x3c (C) [ 409.108668][T16107] __dump_stack+0x30/0x40 [ 409.108675][T16107] dump_stack_lvl+0xd8/0x12c [ 409.108680][T16107] dump_stack+0x1c/0x28 [ 409.108685][T16107] should_fail_ex+0x41c/0x594 [ 409.108693][T16107] should_fail+0x14/0x24 [ 409.108699][T16107] should_fail_usercopy+0x20/0x30 [ 409.108706][T16107] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.108713][T16107] generic_perform_write+0x4d0/0x7bc [ 409.108720][T16107] ext4_buffered_write_iter+0x2b8/0x528 [ 409.108729][T16107] ext4_file_write_iter+0x1d8/0x1864 [ 409.108735][T16107] vfs_write+0x540/0xa3c [ 409.108743][T16107] ksys_write+0x120/0x210 [ 409.108749][T16107] __arm64_sys_write+0x7c/0x90 [ 409.108755][T16107] invoke_syscall+0x98/0x2b8 [ 409.108761][T16107] el0_svc_common+0x130/0x23c [ 409.108766][T16107] do_el0_svc+0x48/0x58 [ 409.108771][T16107] el0_svc+0x58/0x180 [ 409.108779][T16107] el0t_64_sync_handler+0x84/0x12c [ 409.108785][T16107] el0t_64_sync+0x198/0x19c [ 409.207994][T16110] loop0: detected capacity change from 0 to 32768 [ 409.209496][T16110] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.229900][T16110] FAULT_INJECTION: forcing a failure. [ 409.229900][T16110] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.229942][T16110] CPU: 0 UID: 0 PID: 16110 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.229958][T16110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.229964][T16110] Call trace: [ 409.229969][T16110] show_stack+0x2c/0x3c (C) [ 409.229982][T16110] __dump_stack+0x30/0x40 [ 409.229989][T16110] dump_stack_lvl+0xd8/0x12c [ 409.229994][T16110] dump_stack+0x1c/0x28 [ 409.230000][T16110] should_fail_ex+0x41c/0x594 [ 409.230007][T16110] should_fail+0x14/0x24 [ 409.230013][T16110] should_fail_usercopy+0x20/0x30 [ 409.230020][T16110] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.230027][T16110] generic_perform_write+0x4d0/0x7bc [ 409.230034][T16110] ext4_buffered_write_iter+0x2b8/0x528 [ 409.230042][T16110] ext4_file_write_iter+0x1d8/0x1864 [ 409.230049][T16110] vfs_write+0x540/0xa3c [ 409.230056][T16110] ksys_write+0x120/0x210 [ 409.230062][T16110] __arm64_sys_write+0x7c/0x90 [ 409.230068][T16110] invoke_syscall+0x98/0x2b8 [ 409.230074][T16110] el0_svc_common+0x130/0x23c [ 409.230079][T16110] do_el0_svc+0x48/0x58 [ 409.230084][T16110] el0_svc+0x58/0x180 [ 409.230091][T16110] el0t_64_sync_handler+0x84/0x12c [ 409.230097][T16110] el0t_64_sync+0x198/0x19c [ 409.311596][T16112] loop0: detected capacity change from 0 to 32768 [ 409.312927][T16112] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.314727][T16112] FAULT_INJECTION: forcing a failure. [ 409.314727][T16112] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.314757][T16112] CPU: 0 UID: 0 PID: 16112 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.314766][T16112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.314772][T16112] Call trace: [ 409.314776][T16112] show_stack+0x2c/0x3c (C) [ 409.314791][T16112] __dump_stack+0x30/0x40 [ 409.314799][T16112] dump_stack_lvl+0xd8/0x12c [ 409.314804][T16112] dump_stack+0x1c/0x28 [ 409.314810][T16112] should_fail_ex+0x41c/0x594 [ 409.314818][T16112] should_fail+0x14/0x24 [ 409.314824][T16112] should_fail_usercopy+0x20/0x30 [ 409.314830][T16112] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.314837][T16112] generic_perform_write+0x4d0/0x7bc [ 409.314844][T16112] ext4_buffered_write_iter+0x2b8/0x528 [ 409.314852][T16112] ext4_file_write_iter+0x1d8/0x1864 [ 409.314859][T16112] vfs_write+0x540/0xa3c [ 409.314865][T16112] ksys_write+0x120/0x210 [ 409.314871][T16112] __arm64_sys_write+0x7c/0x90 [ 409.314878][T16112] invoke_syscall+0x98/0x2b8 [ 409.314884][T16112] el0_svc_common+0x130/0x23c [ 409.314889][T16112] do_el0_svc+0x48/0x58 [ 409.314894][T16112] el0_svc+0x58/0x180 [ 409.314901][T16112] el0t_64_sync_handler+0x84/0x12c [ 409.314907][T16112] el0t_64_sync+0x198/0x19c [ 409.416202][T16114] loop0: detected capacity change from 0 to 32768 [ 409.418260][T16114] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16114) [ 409.420219][T16114] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.421324][T16114] FAULT_INJECTION: forcing a failure. [ 409.421324][T16114] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.421339][T16114] CPU: 0 UID: 0 PID: 16114 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.421347][T16114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.421351][T16114] Call trace: [ 409.421354][T16114] show_stack+0x2c/0x3c (C) [ 409.421366][T16114] __dump_stack+0x30/0x40 [ 409.421372][T16114] dump_stack_lvl+0xd8/0x12c [ 409.421377][T16114] dump_stack+0x1c/0x28 [ 409.421382][T16114] should_fail_ex+0x41c/0x594 [ 409.421389][T16114] should_fail+0x14/0x24 [ 409.421395][T16114] should_fail_usercopy+0x20/0x30 [ 409.421402][T16114] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.421409][T16114] generic_perform_write+0x4d0/0x7bc [ 409.421415][T16114] ext4_buffered_write_iter+0x2b8/0x528 [ 409.421423][T16114] ext4_file_write_iter+0x1d8/0x1864 [ 409.421430][T16114] vfs_write+0x540/0xa3c [ 409.421437][T16114] ksys_write+0x120/0x210 [ 409.421443][T16114] __arm64_sys_write+0x7c/0x90 [ 409.421449][T16114] invoke_syscall+0x98/0x2b8 [ 409.421455][T16114] el0_svc_common+0x130/0x23c [ 409.421460][T16114] do_el0_svc+0x48/0x58 [ 409.421465][T16114] el0_svc+0x58/0x180 [ 409.421472][T16114] el0t_64_sync_handler+0x84/0x12c [ 409.421478][T16114] el0t_64_sync+0x198/0x19c [ 409.526865][T16118] loop0: detected capacity change from 0 to 32768 [ 409.529934][T16118] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16118) [ 409.530058][T16118] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.531046][T16118] FAULT_INJECTION: forcing a failure. [ 409.531046][T16118] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.531060][T16118] CPU: 0 UID: 0 PID: 16118 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.531068][T16118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.531073][T16118] Call trace: [ 409.531075][T16118] show_stack+0x2c/0x3c (C) [ 409.531087][T16118] __dump_stack+0x30/0x40 [ 409.531094][T16118] dump_stack_lvl+0xd8/0x12c [ 409.531099][T16118] dump_stack+0x1c/0x28 [ 409.531104][T16118] should_fail_ex+0x41c/0x594 [ 409.531112][T16118] should_fail+0x14/0x24 [ 409.531118][T16118] should_fail_usercopy+0x20/0x30 [ 409.531124][T16118] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.531131][T16118] generic_perform_write+0x4d0/0x7bc [ 409.531138][T16118] ext4_buffered_write_iter+0x2b8/0x528 [ 409.531146][T16118] ext4_file_write_iter+0x1d8/0x1864 [ 409.531153][T16118] vfs_write+0x540/0xa3c [ 409.531159][T16118] ksys_write+0x120/0x210 [ 409.531165][T16118] __arm64_sys_write+0x7c/0x90 [ 409.531172][T16118] invoke_syscall+0x98/0x2b8 [ 409.531177][T16118] el0_svc_common+0x130/0x23c [ 409.531183][T16118] do_el0_svc+0x48/0x58 [ 409.531188][T16118] el0_svc+0x58/0x180 [ 409.531195][T16118] el0t_64_sync_handler+0x84/0x12c [ 409.531201][T16118] el0t_64_sync+0x198/0x19c [ 409.629174][T16120] loop0: detected capacity change from 0 to 32768 [ 409.630575][T16120] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16120) [ 409.631104][T16120] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.632910][T16120] FAULT_INJECTION: forcing a failure. [ 409.632910][T16120] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.632924][T16120] CPU: 0 UID: 0 PID: 16120 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.632932][T16120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.632936][T16120] Call trace: [ 409.632939][T16120] show_stack+0x2c/0x3c (C) [ 409.632958][T16120] __dump_stack+0x30/0x40 [ 409.632966][T16120] dump_stack_lvl+0xd8/0x12c [ 409.632972][T16120] dump_stack+0x1c/0x28 [ 409.632978][T16120] should_fail_ex+0x41c/0x594 [ 409.632989][T16120] should_fail+0x14/0x24 [ 409.632995][T16120] should_fail_usercopy+0x20/0x30 [ 409.633002][T16120] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.633009][T16120] generic_perform_write+0x4d0/0x7bc [ 409.633016][T16120] ext4_buffered_write_iter+0x2b8/0x528 [ 409.633024][T16120] ext4_file_write_iter+0x1d8/0x1864 [ 409.633031][T16120] vfs_write+0x540/0xa3c [ 409.633037][T16120] ksys_write+0x120/0x210 [ 409.633043][T16120] __arm64_sys_write+0x7c/0x90 [ 409.633050][T16120] invoke_syscall+0x98/0x2b8 [ 409.633055][T16120] el0_svc_common+0x130/0x23c [ 409.633060][T16120] do_el0_svc+0x48/0x58 [ 409.633065][T16120] el0_svc+0x58/0x180 [ 409.633073][T16120] el0t_64_sync_handler+0x84/0x12c [ 409.633079][T16120] el0t_64_sync+0x198/0x19c [ 409.736732][T16123] loop0: detected capacity change from 0 to 32768 [ 409.738873][T16123] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16123) [ 409.741422][T16123] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.744601][T16123] FAULT_INJECTION: forcing a failure. [ 409.744601][T16123] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.746882][T16123] CPU: 1 UID: 0 PID: 16123 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.746906][T16123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.746917][T16123] Call trace: [ 409.746923][T16123] show_stack+0x2c/0x3c (C) [ 409.746947][T16123] __dump_stack+0x30/0x40 [ 409.746959][T16123] dump_stack_lvl+0xd8/0x12c [ 409.746969][T16123] dump_stack+0x1c/0x28 [ 409.746975][T16123] should_fail_ex+0x41c/0x594 [ 409.746984][T16123] should_fail+0x14/0x24 [ 409.746992][T16123] should_fail_usercopy+0x20/0x30 [ 409.747001][T16123] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.747008][T16123] generic_perform_write+0x4d0/0x7bc [ 409.747016][T16123] ext4_buffered_write_iter+0x2b8/0x528 [ 409.747024][T16123] ext4_file_write_iter+0x1d8/0x1864 [ 409.747030][T16123] vfs_write+0x540/0xa3c [ 409.747037][T16123] ksys_write+0x120/0x210 [ 409.747044][T16123] __arm64_sys_write+0x7c/0x90 [ 409.747050][T16123] invoke_syscall+0x98/0x2b8 [ 409.747055][T16123] el0_svc_common+0x130/0x23c [ 409.747060][T16123] do_el0_svc+0x48/0x58 [ 409.747066][T16123] el0_svc+0x58/0x180 [ 409.747073][T16123] el0t_64_sync_handler+0x84/0x12c [ 409.747079][T16123] el0t_64_sync+0x198/0x19c [ 409.848429][T16127] loop0: detected capacity change from 0 to 32768 [ 409.851465][T16127] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16127) [ 409.851600][T16127] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.852608][T16127] FAULT_INJECTION: forcing a failure. [ 409.852608][T16127] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.852622][T16127] CPU: 0 UID: 0 PID: 16127 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.852630][T16127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.852635][T16127] Call trace: [ 409.852637][T16127] show_stack+0x2c/0x3c (C) [ 409.852650][T16127] __dump_stack+0x30/0x40 [ 409.852656][T16127] dump_stack_lvl+0xd8/0x12c [ 409.852662][T16127] dump_stack+0x1c/0x28 [ 409.852666][T16127] should_fail_ex+0x41c/0x594 [ 409.852674][T16127] should_fail+0x14/0x24 [ 409.852680][T16127] should_fail_usercopy+0x20/0x30 [ 409.852687][T16127] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.852694][T16127] generic_perform_write+0x4d0/0x7bc [ 409.852701][T16127] ext4_buffered_write_iter+0x2b8/0x528 [ 409.852708][T16127] ext4_file_write_iter+0x1d8/0x1864 [ 409.852715][T16127] vfs_write+0x540/0xa3c [ 409.852722][T16127] ksys_write+0x120/0x210 [ 409.852728][T16127] __arm64_sys_write+0x7c/0x90 [ 409.852734][T16127] invoke_syscall+0x98/0x2b8 [ 409.852740][T16127] el0_svc_common+0x130/0x23c [ 409.852745][T16127] do_el0_svc+0x48/0x58 [ 409.852750][T16127] el0_svc+0x58/0x180 [ 409.852757][T16127] el0t_64_sync_handler+0x84/0x12c [ 409.852763][T16127] el0t_64_sync+0x198/0x19c [ 409.952046][T16129] loop0: detected capacity change from 0 to 32768 [ 409.954517][T16129] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16129) [ 409.955178][T16129] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 409.956250][T16129] FAULT_INJECTION: forcing a failure. [ 409.956250][T16129] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 409.956264][T16129] CPU: 0 UID: 0 PID: 16129 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 409.956272][T16129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 409.956276][T16129] Call trace: [ 409.956279][T16129] show_stack+0x2c/0x3c (C) [ 409.956292][T16129] __dump_stack+0x30/0x40 [ 409.956298][T16129] dump_stack_lvl+0xd8/0x12c [ 409.956303][T16129] dump_stack+0x1c/0x28 [ 409.956308][T16129] should_fail_ex+0x41c/0x594 [ 409.956316][T16129] should_fail+0x14/0x24 [ 409.956322][T16129] should_fail_usercopy+0x20/0x30 [ 409.956328][T16129] copy_folio_from_iter_atomic+0x37c/0x164c [ 409.956336][T16129] generic_perform_write+0x4d0/0x7bc [ 409.956342][T16129] ext4_buffered_write_iter+0x2b8/0x528 [ 409.956349][T16129] ext4_file_write_iter+0x1d8/0x1864 [ 409.956356][T16129] vfs_write+0x540/0xa3c [ 409.956363][T16129] ksys_write+0x120/0x210 [ 409.956369][T16129] __arm64_sys_write+0x7c/0x90 [ 409.956375][T16129] invoke_syscall+0x98/0x2b8 [ 409.956380][T16129] el0_svc_common+0x130/0x23c [ 409.956385][T16129] do_el0_svc+0x48/0x58 [ 409.956390][T16129] el0_svc+0x58/0x180 [ 409.956397][T16129] el0t_64_sync_handler+0x84/0x12c [ 409.956403][T16129] el0t_64_sync+0x198/0x19c [ 410.046338][T16132] loop0: detected capacity change from 0 to 32768 [ 410.049262][T16132] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16132) [ 410.051780][T16132] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 410.054702][T16132] FAULT_INJECTION: forcing a failure. [ 410.054702][T16132] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 410.057068][T16132] CPU: 1 UID: 0 PID: 16132 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 410.057088][T16132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 410.057093][T16132] Call trace: [ 410.057097][T16132] show_stack+0x2c/0x3c (C) [ 410.057112][T16132] __dump_stack+0x30/0x40 [ 410.057122][T16132] dump_stack_lvl+0xd8/0x12c [ 410.057129][T16132] dump_stack+0x1c/0x28 [ 410.057135][T16132] should_fail_ex+0x41c/0x594 [ 410.057144][T16132] should_fail+0x14/0x24 [ 410.057150][T16132] should_fail_usercopy+0x20/0x30 [ 410.057157][T16132] copy_folio_from_iter_atomic+0x37c/0x164c [ 410.057164][T16132] generic_perform_write+0x4d0/0x7bc [ 410.057171][T16132] ext4_buffered_write_iter+0x2b8/0x528 [ 410.057179][T16132] ext4_file_write_iter+0x1d8/0x1864 [ 410.057185][T16132] vfs_write+0x540/0xa3c [ 410.057192][T16132] ksys_write+0x120/0x210 [ 410.057198][T16132] __arm64_sys_write+0x7c/0x90 [ 410.057204][T16132] invoke_syscall+0x98/0x2b8 [ 410.057210][T16132] el0_svc_common+0x130/0x23c [ 410.057215][T16132] do_el0_svc+0x48/0x58 [ 410.057220][T16132] el0_svc+0x58/0x180 [ 410.057228][T16132] el0t_64_sync_handler+0x84/0x12c [ 410.057234][T16132] el0t_64_sync+0x198/0x19c [ 410.155663][T16136] loop0: detected capacity change from 0 to 32768 [ 410.156886][T16136] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (16136) [ 410.156979][T16136] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 410.182296][T16136] FAULT_INJECTION: forcing a failure. [ 410.182296][T16136] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 410.182332][T16136] CPU: 0 UID: 0 PID: 16136 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 410.182343][T16136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 410.182348][T16136] Call trace: [ 410.182352][T16136] show_stack+0x2c/0x3c (C) [ 410.182365][T16136] __dump_stack+0x30/0x40 [ 410.182372][T16136] dump_stack_lvl+0xd8/0x12c [ 410.182377][T16136] dump_stack+0x1c/0x28 [ 410.182382][T16136] should_fail_ex+0x41c/0x594 [ 410.182390][T16136] should_fail+0x14/0x24 [ 410.182396][T16136] should_fail_usercopy+0x20/0x30 [ 410.182403][T16136] copy_folio_from_iter_atomic+0x37c/0x164c [ 410.182412][T16136] generic_perform_write+0x4d0/0x7bc [ 410.182419][T16136] ext4_buffered_write_iter+0x2b8/0x528 [ 410.182428][T16136] ext4_file_write_iter+0x1d8/0x1864 [ 410.182435][T16136] vfs_write+0x540/0xa3c [ 410.182442][T16136] ksys_write+0x120/0x210 [ 410.182449][T16136] __arm64_sys_write+0x7c/0x90 [ 410.182455][T16136] invoke_syscall+0x98/0x2b8 [ 410.182461][T16136] el0_svc_common+0x130/0x23c [ 410.182466][T16136] do_el0_svc+0x48/0x58 [ 410.182471][T16136] el0_svc+0x58/0x180 [ 410.182479][T16136] el0t_64_sync_handler+0x84/0x12c [ 410.182485][T16136] el0t_64_sync+0x198/0x19c [ 410.268463][T16138] loop0: detected capacity change from 0 to 32768 [ 410.271648][T16138] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 410.274209][T16138] FAULT_INJECTION: forcing a failure. [ 410.274209][T16138] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 410.274242][T16138] CPU: 0 UID: 0 PID: 16138 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT [ 410.274252][T16138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 410.274257][T16138] Call trace: [ 410.274260][T16138] show_stack+0x2c/0x3c (C) [ 410.274274][T16138] __dump_stack+0x30/0x40 [ 410.274282][T16138] dump_stack_lvl+0xd8/0x12c [ 410.274287][T16138] dump_stack+0x1c/0x28 [ 410.274292][T16138] should_fail_ex+0x41c/0x594 [ 410.274301][T16138] should_fail+0x14/0x24 [ 410.274307][T16138] should_fail_usercopy+0x20/0x30 [ 410.274313][T16138] copy_folio_from_iter_atomic+0x37c/0x164c [ 410.274320][T16138] generic_perform_write+0x4d0/0x7bc [ 410.274327][T16138] ext4_buffered_write_iter+0x2b8/0x528 [ 410.274335][T16138] ext4_file_write_iter+0x1d8/0x1864 [ 410.274342][T16138] vfs_write+0x540/0xa3c [ 410.274349][T16138] ksys_write+0x120/0x210 [ 410.274355][T16138] __arm64_sys_write+0x7c/0x90 [ 410.274362][T16138] invoke_syscall+0x98/0x2b8 [ 410.274368][T16138] el0_svc_common+0x130/0x23c [ 410.274373][T16138] do_el0_svc+0x48/0x58 [ 410.274378][T16138] el0_svc+0x58/0x180 [ 410.274386][T16138] el0t_64_sync_handler+0x84/0x12c [ 410.274392][T16138] el0t_64_sync+0x198/0x19c [ 410.753820][ T4494] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 410.793874][ T4494] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 410.843765][ T4494] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 410.894277][ T4494] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 411.020735][ T4494] bridge_slave_1: left allmulticast mode [ 411.020771][ T4494] bridge_slave_1: left promiscuous mode [ 411.020860][ T4494] bridge0: port 2(bridge_slave_1) entered disabled state [ 411.023266][ T4494] bridge_slave_0: left allmulticast mode [ 411.023281][ T4494] bridge_slave_0: left promiscuous mode [ 411.023349][ T4494] bridge0: port 1(bridge_slave_0) entered disabled state [ 411.202772][ T4494] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 411.240285][ T4494] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 411.250021][ T4494] bond0 (unregistering): Released all slaves [ 411.305453][ T4494] hsr_slave_0: left promiscuous mode [ 411.306478][ T4494] hsr_slave_1: left promiscuous mode [ 411.306684][ T4494] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 411.306695][ T4494] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 411.306958][ T4494] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 411.306971][ T4494] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 411.310882][ T4494] veth1_macvtap: left promiscuous mode [ 411.310916][ T4494] veth0_macvtap: left promiscuous mode [ 411.310973][ T4494] veth1_vlan: left promiscuous mode [ 411.311204][ T4494] veth0_vlan: left promiscuous mode [ 411.433887][ T4494] team0 (unregistering): Port device team_slave_1 removed [ 411.443437][ T4494] team0 (unregistering): Port device team_slave_0 removed Warning: Permanently added '10.128.1.174' (ED25519) to the list of known hosts. [ 411.868241][T16188] loop0: detected capacity change from 0 to 32768 [ 411.870713][T16188] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor300 (16188) [ 411.870830][T16188] BTRFS error: failed to open device for path /dev/loop0 with flags 0x23: -16 [ 411.872252][T16188] FAULT_INJECTION: forcing a failure. [ 411