n+0xe8/0x23c [ 551.855943][T20844] do_el0_svc+0x48/0x58 [ 551.855952][T20844] el0_svc+0x60/0x25c [ 551.855961][T20844] el0t_64_sync_handler+0x48/0x148 [ 551.855970][T20844] el0t_64_sync+0x198/0x19c [ 551.897148][T20842] FAULT_INJECTION: forcing a failure. [ 551.897148][T20842] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 551.897184][T20842] CPU: 0 UID: 0 PID: 20842 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 551.897197][T20842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 551.897204][T20842] Call trace: [ 551.897208][T20842] show_stack+0x2c/0x3c (C) [ 551.897224][T20842] __dump_stack+0x30/0x40 [ 551.897234][T20842] dump_stack_lvl+0xd8/0x12c [ 551.897244][T20842] dump_stack+0x1c/0x28 [ 551.897252][T20842] should_fail_ex+0x414/0x588 [ 551.897263][T20842] should_fail+0x14/0x24 [ 551.897272][T20842] should_fail_usercopy+0x20/0x30 [ 551.897281][T20842] copy_folio_from_iter_atomic+0x38c/0x1450 [ 551.897293][T20842] generic_perform_write+0x4c0/0x7b8 [ 551.897302][T20842] ext4_buffered_write_iter+0xd0/0x310 [ 551.897313][T20842] ext4_file_write_iter+0x1d8/0x1390 [ 551.897323][T20842] do_iter_readv_writev+0x48c/0x6f8 [ 551.897332][T20842] vfs_writev+0x2c8/0x664 [ 551.897342][T20842] do_pwritev+0x120/0x234 [ 551.897351][T20842] __arm64_sys_pwritev2+0xd4/0x108 [ 551.897361][T20842] invoke_syscall+0x98/0x244 [ 551.897370][T20842] el0_svc_common+0xe8/0x23c [ 551.897379][T20842] do_el0_svc+0x48/0x58 [ 551.897388][T20842] el0_svc+0x60/0x25c [ 551.897397][T20842] el0t_64_sync_handler+0x48/0x148 [ 551.897406][T20842] el0t_64_sync+0x198/0x19c executing program executing program [ 552.073754][T20845] FAULT_INJECTION: forcing a failure. [ 552.073754][T20845] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.073796][T20845] CPU: 0 UID: 0 PID: 20845 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.073811][T20845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.073818][T20845] Call trace: [ 552.073822][T20845] show_stack+0x2c/0x3c (C) [ 552.073840][T20845] __dump_stack+0x30/0x40 [ 552.073852][T20845] dump_stack_lvl+0xd8/0x12c [ 552.073861][T20845] dump_stack+0x1c/0x28 [ 552.073870][T20845] should_fail_ex+0x414/0x588 [ 552.073880][T20845] should_fail+0x14/0x24 [ 552.073889][T20845] should_fail_usercopy+0x20/0x30 [ 552.073899][T20845] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.073910][T20845] generic_perform_write+0x4c0/0x7b8 [ 552.073920][T20845] ext4_buffered_write_iter+0xd0/0x310 [ 552.073931][T20845] ext4_file_write_iter+0x1d8/0x1390 [ 552.073941][T20845] do_iter_readv_writev+0x48c/0x6f8 [ 552.073951][T20845] vfs_writev+0x2c8/0x664 [ 552.073961][T20845] do_pwritev+0x120/0x234 [ 552.073970][T20845] __arm64_sys_pwritev2+0xd4/0x108 [ 552.073980][T20845] invoke_syscall+0x98/0x244 [ 552.073989][T20845] el0_svc_common+0xe8/0x23c [ 552.073998][T20845] do_el0_svc+0x48/0x58 [ 552.074007][T20845] el0_svc+0x60/0x25c [ 552.074017][T20845] el0t_64_sync_handler+0x48/0x148 [ 552.074025][T20845] el0t_64_sync+0x198/0x19c [ 552.105397][T20853] FAULT_INJECTION: forcing a failure. [ 552.105397][T20853] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.114424][T20853] CPU: 1 UID: 0 PID: 20853 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.114448][T20853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.114456][T20853] Call trace: [ 552.114461][T20853] show_stack+0x2c/0x3c (C) executing program [ 552.114483][T20853] __dump_stack+0x30/0x40 [ 552.114495][T20853] dump_stack_lvl+0xd8/0x12c [ 552.114504][T20853] dump_stack+0x1c/0x28 [ 552.114513][T20853] should_fail_ex+0x414/0x588 [ 552.114524][T20853] should_fail+0x14/0x24 [ 552.114533][T20853] should_fail_usercopy+0x20/0x30 [ 552.114542][T20853] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.114554][T20853] generic_perform_write+0x4c0/0x7b8 [ 552.114563][T20853] ext4_buffered_write_iter+0xd0/0x310 [ 552.114574][T20853] ext4_file_write_iter+0x1d8/0x1390 [ 552.114584][T20853] do_iter_readv_writev+0x48c/0x6f8 [ 552.114594][T20853] vfs_writev+0x2c8/0x664 [ 552.114604][T20853] do_pwritev+0x120/0x234 [ 552.114613][T20853] __arm64_sys_pwritev2+0xd4/0x108 [ 552.114623][T20853] invoke_syscall+0x98/0x244 [ 552.114632][T20853] el0_svc_common+0xe8/0x23c [ 552.114642][T20853] do_el0_svc+0x48/0x58 [ 552.114650][T20853] el0_svc+0x60/0x25c [ 552.114660][T20853] el0t_64_sync_handler+0x48/0x148 [ 552.114668][T20853] el0t_64_sync+0x198/0x19c executing program [ 552.230490][T20848] FAULT_INJECTION: forcing a failure. [ 552.230490][T20848] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.230531][T20848] CPU: 0 UID: 0 PID: 20848 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.230543][T20848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.230550][T20848] Call trace: [ 552.230554][T20848] show_stack+0x2c/0x3c (C) [ 552.230573][T20848] __dump_stack+0x30/0x40 [ 552.230586][T20848] dump_stack_lvl+0xd8/0x12c [ 552.230595][T20848] dump_stack+0x1c/0x28 [ 552.230603][T20848] should_fail_ex+0x414/0x588 [ 552.230614][T20848] should_fail+0x14/0x24 [ 552.230624][T20848] should_fail_usercopy+0x20/0x30 [ 552.230633][T20848] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.230645][T20848] generic_perform_write+0x4c0/0x7b8 [ 552.230655][T20848] ext4_buffered_write_iter+0xd0/0x310 [ 552.230666][T20848] ext4_file_write_iter+0x1d8/0x1390 [ 552.230676][T20848] do_iter_readv_writev+0x48c/0x6f8 [ 552.230686][T20848] vfs_writev+0x2c8/0x664 [ 552.230696][T20848] do_pwritev+0x120/0x234 [ 552.230705][T20848] __arm64_sys_pwritev2+0xd4/0x108 [ 552.230714][T20848] invoke_syscall+0x98/0x244 [ 552.230724][T20848] el0_svc_common+0xe8/0x23c [ 552.230733][T20848] do_el0_svc+0x48/0x58 [ 552.230745][T20848] el0_svc+0x60/0x25c [ 552.230755][T20848] el0t_64_sync_handler+0x48/0x148 [ 552.230764][T20848] el0t_64_sync+0x198/0x19c [ 552.282467][T20859] FAULT_INJECTION: forcing a failure. [ 552.282467][T20859] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.282507][T20859] CPU: 0 UID: 0 PID: 20859 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.282521][T20859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.282529][T20859] Call trace: [ 552.282533][T20859] show_stack+0x2c/0x3c (C) [ 552.282550][T20859] __dump_stack+0x30/0x40 [ 552.282561][T20859] dump_stack_lvl+0xd8/0x12c [ 552.282570][T20859] dump_stack+0x1c/0x28 [ 552.282579][T20859] should_fail_ex+0x414/0x588 executing program [ 552.282590][T20859] should_fail+0x14/0x24 [ 552.282599][T20859] should_fail_usercopy+0x20/0x30 [ 552.282608][T20859] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.282620][T20859] generic_perform_write+0x4c0/0x7b8 [ 552.282631][T20859] ext4_buffered_write_iter+0xd0/0x310 [ 552.282642][T20859] ext4_file_write_iter+0x1d8/0x1390 [ 552.282652][T20859] do_iter_readv_writev+0x48c/0x6f8 [ 552.282663][T20859] vfs_writev+0x2c8/0x664 [ 552.282672][T20859] do_pwritev+0x120/0x234 [ 552.282682][T20859] __arm64_sys_pwritev2+0xd4/0x108 [ 552.282691][T20859] invoke_syscall+0x98/0x244 [ 552.282701][T20859] el0_svc_common+0xe8/0x23c [ 552.282710][T20859] do_el0_svc+0x48/0x58 [ 552.282719][T20859] el0_svc+0x60/0x25c [ 552.282729][T20859] el0t_64_sync_handler+0x48/0x148 [ 552.282737][T20859] el0t_64_sync+0x198/0x19c executing program [ 552.397009][T20851] FAULT_INJECTION: forcing a failure. [ 552.397009][T20851] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.397045][T20851] CPU: 0 UID: 0 PID: 20851 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.397056][T20851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.397063][T20851] Call trace: [ 552.397067][T20851] show_stack+0x2c/0x3c (C) [ 552.397083][T20851] __dump_stack+0x30/0x40 [ 552.397093][T20851] dump_stack_lvl+0xd8/0x12c [ 552.397103][T20851] dump_stack+0x1c/0x28 [ 552.397111][T20851] should_fail_ex+0x414/0x588 [ 552.397122][T20851] should_fail+0x14/0x24 [ 552.397131][T20851] should_fail_usercopy+0x20/0x30 [ 552.397140][T20851] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.397152][T20851] generic_perform_write+0x4c0/0x7b8 [ 552.397162][T20851] ext4_buffered_write_iter+0xd0/0x310 [ 552.397173][T20851] ext4_file_write_iter+0x1d8/0x1390 [ 552.397183][T20851] do_iter_readv_writev+0x48c/0x6f8 [ 552.397193][T20851] vfs_writev+0x2c8/0x664 [ 552.397203][T20851] do_pwritev+0x120/0x234 [ 552.397212][T20851] __arm64_sys_pwritev2+0xd4/0x108 [ 552.397222][T20851] invoke_syscall+0x98/0x244 [ 552.397231][T20851] el0_svc_common+0xe8/0x23c [ 552.397240][T20851] do_el0_svc+0x48/0x58 [ 552.397249][T20851] el0_svc+0x60/0x25c [ 552.397259][T20851] el0t_64_sync_handler+0x48/0x148 [ 552.397267][T20851] el0t_64_sync+0x198/0x19c executing program [ 552.492723][T20854] FAULT_INJECTION: forcing a failure. [ 552.492723][T20854] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.492762][T20854] CPU: 0 UID: 0 PID: 20854 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.492775][T20854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.492783][T20854] Call trace: [ 552.492787][T20854] show_stack+0x2c/0x3c (C) [ 552.492805][T20854] __dump_stack+0x30/0x40 [ 552.492815][T20854] dump_stack_lvl+0xd8/0x12c [ 552.492825][T20854] dump_stack+0x1c/0x28 [ 552.492833][T20854] should_fail_ex+0x414/0x588 [ 552.492844][T20854] should_fail+0x14/0x24 [ 552.492853][T20854] should_fail_usercopy+0x20/0x30 [ 552.492862][T20854] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.492874][T20854] generic_perform_write+0x4c0/0x7b8 [ 552.492884][T20854] ext4_buffered_write_iter+0xd0/0x310 [ 552.492894][T20854] ext4_file_write_iter+0x1d8/0x1390 [ 552.492904][T20854] do_iter_readv_writev+0x48c/0x6f8 [ 552.492919][T20854] vfs_writev+0x2c8/0x664 [ 552.492929][T20854] do_pwritev+0x120/0x234 [ 552.492938][T20854] __arm64_sys_pwritev2+0xd4/0x108 [ 552.492947][T20854] invoke_syscall+0x98/0x244 [ 552.492957][T20854] el0_svc_common+0xe8/0x23c [ 552.492966][T20854] do_el0_svc+0x48/0x58 [ 552.492975][T20854] el0_svc+0x60/0x25c [ 552.492985][T20854] el0t_64_sync_handler+0x48/0x148 [ 552.492993][T20854] el0t_64_sync+0x198/0x19c [ 552.520581][T20858] FAULT_INJECTION: forcing a failure. [ 552.520581][T20858] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.529523][T20858] CPU: 1 UID: 0 PID: 20858 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.529540][T20858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.529547][T20858] Call trace: [ 552.529550][T20858] show_stack+0x2c/0x3c (C) [ 552.529572][T20858] __dump_stack+0x30/0x40 [ 552.529586][T20858] dump_stack_lvl+0xd8/0x12c [ 552.529595][T20858] dump_stack+0x1c/0x28 executing program [ 552.529604][T20858] should_fail_ex+0x414/0x588 [ 552.529615][T20858] should_fail+0x14/0x24 [ 552.529624][T20858] should_fail_usercopy+0x20/0x30 [ 552.529633][T20858] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.529645][T20858] generic_perform_write+0x4c0/0x7b8 [ 552.529654][T20858] ext4_buffered_write_iter+0xd0/0x310 [ 552.529665][T20858] ext4_file_write_iter+0x1d8/0x1390 [ 552.529675][T20858] do_iter_readv_writev+0x48c/0x6f8 [ 552.529685][T20858] vfs_writev+0x2c8/0x664 [ 552.529695][T20858] do_pwritev+0x120/0x234 [ 552.529704][T20858] __arm64_sys_pwritev2+0xd4/0x108 [ 552.529714][T20858] invoke_syscall+0x98/0x244 [ 552.529723][T20858] el0_svc_common+0xe8/0x23c [ 552.529732][T20858] do_el0_svc+0x48/0x58 [ 552.529741][T20858] el0_svc+0x60/0x25c [ 552.529751][T20858] el0t_64_sync_handler+0x48/0x148 [ 552.529759][T20858] el0t_64_sync+0x198/0x19c [ 552.554816][T20863] FAULT_INJECTION: forcing a failure. [ 552.554816][T20863] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.554849][T20863] CPU: 0 UID: 0 PID: 20863 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.554862][T20863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.554868][T20863] Call trace: [ 552.554871][T20863] show_stack+0x2c/0x3c (C) [ 552.554884][T20863] __dump_stack+0x30/0x40 [ 552.554894][T20863] dump_stack_lvl+0xd8/0x12c [ 552.554903][T20863] dump_stack+0x1c/0x28 [ 552.554912][T20863] should_fail_ex+0x414/0x588 [ 552.554922][T20863] should_fail+0x14/0x24 [ 552.554931][T20863] should_fail_usercopy+0x20/0x30 [ 552.554940][T20863] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.554952][T20863] generic_perform_write+0x4c0/0x7b8 [ 552.554962][T20863] ext4_buffered_write_iter+0xd0/0x310 [ 552.554972][T20863] ext4_file_write_iter+0x1d8/0x1390 [ 552.554982][T20863] do_iter_readv_writev+0x48c/0x6f8 [ 552.554992][T20863] vfs_writev+0x2c8/0x664 [ 552.555002][T20863] do_pwritev+0x120/0x234 [ 552.555011][T20863] __arm64_sys_pwritev2+0xd4/0x108 [ 552.555021][T20863] invoke_syscall+0x98/0x244 [ 552.555030][T20863] el0_svc_common+0xe8/0x23c [ 552.555039][T20863] do_el0_svc+0x48/0x58 [ 552.555048][T20863] el0_svc+0x60/0x25c [ 552.555057][T20863] el0t_64_sync_handler+0x48/0x148 [ 552.555065][T20863] el0t_64_sync+0x198/0x19c executing program executing program [ 552.710792][T20868] FAULT_INJECTION: forcing a failure. [ 552.710792][T20868] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.710828][T20868] CPU: 1 UID: 0 PID: 20868 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.710846][T20868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.710854][T20868] Call trace: [ 552.710858][T20868] show_stack+0x2c/0x3c (C) [ 552.710877][T20868] __dump_stack+0x30/0x40 [ 552.710888][T20868] dump_stack_lvl+0xd8/0x12c [ 552.710897][T20868] dump_stack+0x1c/0x28 [ 552.710906][T20868] should_fail_ex+0x414/0x588 [ 552.710917][T20868] should_fail+0x14/0x24 [ 552.710926][T20868] should_fail_usercopy+0x20/0x30 [ 552.710940][T20868] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.710952][T20868] generic_perform_write+0x4c0/0x7b8 [ 552.710963][T20868] ext4_buffered_write_iter+0xd0/0x310 [ 552.710977][T20868] ext4_file_write_iter+0x1d8/0x1390 [ 552.710987][T20868] do_iter_readv_writev+0x48c/0x6f8 [ 552.710998][T20868] vfs_writev+0x2c8/0x664 [ 552.711007][T20868] do_pwritev+0x120/0x234 [ 552.711017][T20868] __arm64_sys_pwritev2+0xd4/0x108 [ 552.711026][T20868] invoke_syscall+0x98/0x244 [ 552.711036][T20868] el0_svc_common+0xe8/0x23c [ 552.711045][T20868] do_el0_svc+0x48/0x58 [ 552.711054][T20868] el0_svc+0x60/0x25c [ 552.711064][T20868] el0t_64_sync_handler+0x48/0x148 [ 552.711073][T20868] el0t_64_sync+0x198/0x19c executing program [ 552.855835][T20872] set_capacity_and_notify: 49 callbacks suppressed [ 552.857129][T20872] loop4: detected capacity change from 0 to 32768 [ 552.877338][T20866] loop2: detected capacity change from 0 to 32768 [ 552.877834][T20862] loop1: detected capacity change from 0 to 32768 [ 552.880156][T20872] FAULT_INJECTION: forcing a failure. [ 552.880156][T20872] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.882466][T20872] CPU: 1 UID: 0 PID: 20872 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.882485][T20872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.882495][T20872] Call trace: [ 552.882499][T20872] show_stack+0x2c/0x3c (C) [ 552.882519][T20872] __dump_stack+0x30/0x40 [ 552.882529][T20872] dump_stack_lvl+0xd8/0x12c [ 552.882539][T20872] dump_stack+0x1c/0x28 [ 552.882547][T20872] should_fail_ex+0x414/0x588 [ 552.882558][T20872] should_fail+0x14/0x24 [ 552.882567][T20872] should_fail_usercopy+0x20/0x30 [ 552.882576][T20872] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.882588][T20872] generic_perform_write+0x4c0/0x7b8 [ 552.882598][T20872] ext4_buffered_write_iter+0xd0/0x310 [ 552.882609][T20872] ext4_file_write_iter+0x1d8/0x1390 [ 552.882619][T20872] do_iter_readv_writev+0x48c/0x6f8 [ 552.882629][T20872] vfs_writev+0x2c8/0x664 [ 552.882638][T20872] do_pwritev+0x120/0x234 [ 552.882648][T20872] __arm64_sys_pwritev2+0xd4/0x108 [ 552.882657][T20872] invoke_syscall+0x98/0x244 [ 552.882667][T20872] el0_svc_common+0xe8/0x23c [ 552.882676][T20872] do_el0_svc+0x48/0x58 [ 552.882685][T20872] el0_svc+0x60/0x25c [ 552.882695][T20872] el0t_64_sync_handler+0x48/0x148 [ 552.882703][T20872] el0t_64_sync+0x198/0x19c [ 552.892572][T20870] loop0: detected capacity change from 0 to 32768 [ 552.909455][T20869] loop3: detected capacity change from 0 to 32768 [ 552.962420][T20870] FAULT_INJECTION: forcing a failure. [ 552.962420][T20870] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.962461][T20870] CPU: 0 UID: 0 PID: 20870 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 552.962473][T20870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 552.962480][T20870] Call trace: [ 552.962484][T20870] show_stack+0x2c/0x3c (C) [ 552.962502][T20870] __dump_stack+0x30/0x40 [ 552.962512][T20870] dump_stack_lvl+0xd8/0x12c [ 552.962521][T20870] dump_stack+0x1c/0x28 [ 552.962530][T20870] should_fail_ex+0x414/0x588 [ 552.962540][T20870] should_fail+0x14/0x24 [ 552.962549][T20870] should_fail_usercopy+0x20/0x30 [ 552.962559][T20870] copy_folio_from_iter_atomic+0x38c/0x1450 [ 552.962570][T20870] generic_perform_write+0x4c0/0x7b8 [ 552.962580][T20870] ext4_buffered_write_iter+0xd0/0x310 [ 552.962591][T20870] ext4_file_write_iter+0x1d8/0x1390 [ 552.962601][T20870] do_iter_readv_writev+0x48c/0x6f8 [ 552.962611][T20870] vfs_writev+0x2c8/0x664 [ 552.962620][T20870] do_pwritev+0x120/0x234 [ 552.962629][T20870] __arm64_sys_pwritev2+0xd4/0x108 [ 552.962639][T20870] invoke_syscall+0x98/0x244 [ 552.962649][T20870] el0_svc_common+0xe8/0x23c [ 552.962658][T20870] do_el0_svc+0x48/0x58 [ 552.962667][T20870] el0_svc+0x60/0x25c [ 552.962677][T20870] el0t_64_sync_handler+0x48/0x148 [ 552.962685][T20870] el0t_64_sync+0x198/0x19c executing program executing program [ 553.014970][T20866] FAULT_INJECTION: forcing a failure. [ 553.014970][T20866] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.017110][T20866] CPU: 1 UID: 0 PID: 20866 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.017129][T20866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.017135][T20866] Call trace: [ 553.017139][T20866] show_stack+0x2c/0x3c (C) [ 553.017163][T20866] __dump_stack+0x30/0x40 [ 553.017175][T20866] dump_stack_lvl+0xd8/0x12c [ 553.017185][T20866] dump_stack+0x1c/0x28 [ 553.017194][T20866] should_fail_ex+0x414/0x588 [ 553.017205][T20866] should_fail+0x14/0x24 [ 553.017213][T20866] should_fail_usercopy+0x20/0x30 [ 553.017224][T20866] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.017235][T20866] generic_perform_write+0x4c0/0x7b8 [ 553.017245][T20866] ext4_buffered_write_iter+0xd0/0x310 [ 553.017256][T20866] ext4_file_write_iter+0x1d8/0x1390 [ 553.017266][T20866] do_iter_readv_writev+0x48c/0x6f8 [ 553.017276][T20866] vfs_writev+0x2c8/0x664 [ 553.017286][T20866] do_pwritev+0x120/0x234 [ 553.017295][T20866] __arm64_sys_pwritev2+0xd4/0x108 [ 553.017305][T20866] invoke_syscall+0x98/0x244 [ 553.017314][T20866] el0_svc_common+0xe8/0x23c [ 553.017324][T20866] do_el0_svc+0x48/0x58 [ 553.017333][T20866] el0_svc+0x60/0x25c [ 553.017342][T20866] el0t_64_sync_handler+0x48/0x148 [ 553.017351][T20866] el0t_64_sync+0x198/0x19c executing program [ 553.122588][T20879] loop0: detected capacity change from 0 to 32768 [ 553.148565][T20869] FAULT_INJECTION: forcing a failure. [ 553.148565][T20869] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.148603][T20869] CPU: 0 UID: 0 PID: 20869 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.148615][T20869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.148623][T20869] Call trace: [ 553.148626][T20869] show_stack+0x2c/0x3c (C) [ 553.148644][T20869] __dump_stack+0x30/0x40 [ 553.148654][T20869] dump_stack_lvl+0xd8/0x12c [ 553.148664][T20869] dump_stack+0x1c/0x28 [ 553.148672][T20869] should_fail_ex+0x414/0x588 [ 553.148683][T20869] should_fail+0x14/0x24 [ 553.148692][T20869] should_fail_usercopy+0x20/0x30 [ 553.148701][T20869] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.148713][T20869] generic_perform_write+0x4c0/0x7b8 [ 553.148722][T20869] ext4_buffered_write_iter+0xd0/0x310 [ 553.148733][T20869] ext4_file_write_iter+0x1d8/0x1390 [ 553.148748][T20869] do_iter_readv_writev+0x48c/0x6f8 [ 553.148758][T20869] vfs_writev+0x2c8/0x664 [ 553.148768][T20869] do_pwritev+0x120/0x234 [ 553.148778][T20869] __arm64_sys_pwritev2+0xd4/0x108 [ 553.148787][T20869] invoke_syscall+0x98/0x244 [ 553.148796][T20869] el0_svc_common+0xe8/0x23c [ 553.148806][T20869] do_el0_svc+0x48/0x58 [ 553.148815][T20869] el0_svc+0x60/0x25c [ 553.148824][T20869] el0t_64_sync_handler+0x48/0x148 [ 553.148833][T20869] el0t_64_sync+0x198/0x19c [ 553.165037][T20862] FAULT_INJECTION: forcing a failure. [ 553.165037][T20862] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.165053][T20862] CPU: 0 UID: 0 PID: 20862 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.165062][T20862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.165068][T20862] Call trace: [ 553.165071][T20862] show_stack+0x2c/0x3c (C) [ 553.165084][T20862] __dump_stack+0x30/0x40 [ 553.165093][T20862] dump_stack_lvl+0xd8/0x12c [ 553.165102][T20862] dump_stack+0x1c/0x28 [ 553.165111][T20862] should_fail_ex+0x414/0x588 [ 553.165121][T20862] should_fail+0x14/0x24 [ 553.165129][T20862] should_fail_usercopy+0x20/0x30 [ 553.165139][T20862] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.165150][T20862] generic_perform_write+0x4c0/0x7b8 [ 553.165159][T20862] ext4_buffered_write_iter+0xd0/0x310 [ 553.165170][T20862] ext4_file_write_iter+0x1d8/0x1390 [ 553.165180][T20862] do_iter_readv_writev+0x48c/0x6f8 [ 553.165189][T20862] vfs_writev+0x2c8/0x664 [ 553.165199][T20862] do_pwritev+0x120/0x234 [ 553.165208][T20862] __arm64_sys_pwritev2+0xd4/0x108 [ 553.165218][T20862] invoke_syscall+0x98/0x244 [ 553.165227][T20862] el0_svc_common+0xe8/0x23c [ 553.165236][T20862] do_el0_svc+0x48/0x58 [ 553.165245][T20862] el0_svc+0x60/0x25c [ 553.165254][T20862] el0t_64_sync_handler+0x48/0x148 [ 553.165263][T20862] el0t_64_sync+0x198/0x19c [ 553.226438][T20880] loop2: detected capacity change from 0 to 32768 executing program executing program [ 553.259052][T20878] loop4: detected capacity change from 0 to 32768 [ 553.262908][T20880] FAULT_INJECTION: forcing a failure. [ 553.262908][T20880] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.262945][T20880] CPU: 0 UID: 0 PID: 20880 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.262958][T20880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.262963][T20880] Call trace: [ 553.262967][T20880] show_stack+0x2c/0x3c (C) [ 553.262986][T20880] __dump_stack+0x30/0x40 [ 553.262996][T20880] dump_stack_lvl+0xd8/0x12c [ 553.263005][T20880] dump_stack+0x1c/0x28 [ 553.263013][T20880] should_fail_ex+0x414/0x588 [ 553.263025][T20880] should_fail+0x14/0x24 [ 553.263033][T20880] should_fail_usercopy+0x20/0x30 [ 553.263043][T20880] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.263055][T20880] generic_perform_write+0x4c0/0x7b8 [ 553.263065][T20880] ext4_buffered_write_iter+0xd0/0x310 [ 553.263076][T20880] ext4_file_write_iter+0x1d8/0x1390 [ 553.263086][T20880] do_iter_readv_writev+0x48c/0x6f8 [ 553.263096][T20880] vfs_writev+0x2c8/0x664 [ 553.263109][T20880] do_pwritev+0x120/0x234 [ 553.263119][T20880] __arm64_sys_pwritev2+0xd4/0x108 [ 553.263128][T20880] invoke_syscall+0x98/0x244 [ 553.263138][T20880] el0_svc_common+0xe8/0x23c [ 553.263148][T20880] do_el0_svc+0x48/0x58 [ 553.263157][T20880] el0_svc+0x60/0x25c [ 553.263166][T20880] el0t_64_sync_handler+0x48/0x148 [ 553.263175][T20880] el0t_64_sync+0x198/0x19c executing program [ 553.315262][T20879] FAULT_INJECTION: forcing a failure. [ 553.315262][T20879] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.317591][T20879] CPU: 1 UID: 0 PID: 20879 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.317612][T20879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.317620][T20879] Call trace: [ 553.317623][T20879] show_stack+0x2c/0x3c (C) [ 553.317641][T20879] __dump_stack+0x30/0x40 [ 553.317651][T20879] dump_stack_lvl+0xd8/0x12c [ 553.317660][T20879] dump_stack+0x1c/0x28 [ 553.317669][T20879] should_fail_ex+0x414/0x588 [ 553.317679][T20879] should_fail+0x14/0x24 [ 553.317688][T20879] should_fail_usercopy+0x20/0x30 [ 553.317698][T20879] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.317709][T20879] generic_perform_write+0x4c0/0x7b8 [ 553.317719][T20879] ext4_buffered_write_iter+0xd0/0x310 [ 553.317730][T20879] ext4_file_write_iter+0x1d8/0x1390 [ 553.317739][T20879] do_iter_readv_writev+0x48c/0x6f8 [ 553.317750][T20879] vfs_writev+0x2c8/0x664 [ 553.317759][T20879] do_pwritev+0x120/0x234 [ 553.317768][T20879] __arm64_sys_pwritev2+0xd4/0x108 [ 553.317778][T20879] invoke_syscall+0x98/0x244 [ 553.317788][T20879] el0_svc_common+0xe8/0x23c [ 553.317797][T20879] do_el0_svc+0x48/0x58 [ 553.317806][T20879] el0_svc+0x60/0x25c [ 553.317815][T20879] el0t_64_sync_handler+0x48/0x148 [ 553.317824][T20879] el0t_64_sync+0x198/0x19c executing program [ 553.455830][T20887] loop0: detected capacity change from 0 to 32768 [ 553.473594][T20887] FAULT_INJECTION: forcing a failure. [ 553.473594][T20887] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.475996][T20887] CPU: 1 UID: 0 PID: 20887 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.476015][T20887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.476021][T20887] Call trace: [ 553.476024][T20887] show_stack+0x2c/0x3c (C) [ 553.476042][T20887] __dump_stack+0x30/0x40 [ 553.476055][T20887] dump_stack_lvl+0xd8/0x12c [ 553.476064][T20887] dump_stack+0x1c/0x28 [ 553.476073][T20887] should_fail_ex+0x414/0x588 [ 553.476085][T20887] should_fail+0x14/0x24 [ 553.476095][T20887] should_fail_usercopy+0x20/0x30 [ 553.476104][T20887] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.476116][T20887] generic_perform_write+0x4c0/0x7b8 [ 553.476126][T20887] ext4_buffered_write_iter+0xd0/0x310 [ 553.476137][T20887] ext4_file_write_iter+0x1d8/0x1390 [ 553.476147][T20887] do_iter_readv_writev+0x48c/0x6f8 [ 553.476157][T20887] vfs_writev+0x2c8/0x664 [ 553.476167][T20887] do_pwritev+0x120/0x234 [ 553.476176][T20887] __arm64_sys_pwritev2+0xd4/0x108 [ 553.476186][T20887] invoke_syscall+0x98/0x244 [ 553.476196][T20887] el0_svc_common+0xe8/0x23c [ 553.476205][T20887] do_el0_svc+0x48/0x58 [ 553.476213][T20887] el0_svc+0x60/0x25c [ 553.476223][T20887] el0t_64_sync_handler+0x48/0x148 [ 553.476232][T20887] el0t_64_sync+0x198/0x19c executing program [ 553.538501][T20886] loop2: detected capacity change from 0 to 32768 [ 553.544055][T20878] FAULT_INJECTION: forcing a failure. [ 553.544055][T20878] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.544091][T20878] CPU: 0 UID: 0 PID: 20878 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.544110][T20878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.544116][T20878] Call trace: [ 553.544120][T20878] show_stack+0x2c/0x3c (C) [ 553.544142][T20878] __dump_stack+0x30/0x40 [ 553.544152][T20878] dump_stack_lvl+0xd8/0x12c [ 553.544161][T20878] dump_stack+0x1c/0x28 [ 553.544170][T20878] should_fail_ex+0x414/0x588 [ 553.544181][T20878] should_fail+0x14/0x24 [ 553.544189][T20878] should_fail_usercopy+0x20/0x30 [ 553.544199][T20878] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.544211][T20878] generic_perform_write+0x4c0/0x7b8 [ 553.544220][T20878] ext4_buffered_write_iter+0xd0/0x310 [ 553.544231][T20878] ext4_file_write_iter+0x1d8/0x1390 [ 553.544241][T20878] do_iter_readv_writev+0x48c/0x6f8 [ 553.544251][T20878] vfs_writev+0x2c8/0x664 [ 553.544261][T20878] do_pwritev+0x120/0x234 [ 553.544270][T20878] __arm64_sys_pwritev2+0xd4/0x108 [ 553.544280][T20878] invoke_syscall+0x98/0x244 [ 553.544289][T20878] el0_svc_common+0xe8/0x23c [ 553.544298][T20878] do_el0_svc+0x48/0x58 [ 553.544307][T20878] el0_svc+0x60/0x25c [ 553.544317][T20878] el0t_64_sync_handler+0x48/0x148 [ 553.544326][T20878] el0t_64_sync+0x198/0x19c executing program [ 553.701317][T20884] FAULT_INJECTION: forcing a failure. [ 553.701317][T20884] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.701357][T20884] CPU: 0 UID: 0 PID: 20884 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.701370][T20884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.701377][T20884] Call trace: [ 553.701381][T20884] show_stack+0x2c/0x3c (C) [ 553.701400][T20884] __dump_stack+0x30/0x40 [ 553.701411][T20884] dump_stack_lvl+0xd8/0x12c [ 553.701420][T20884] dump_stack+0x1c/0x28 [ 553.701429][T20884] should_fail_ex+0x414/0x588 [ 553.701440][T20884] should_fail+0x14/0x24 [ 553.701448][T20884] should_fail_usercopy+0x20/0x30 [ 553.701458][T20884] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.701470][T20884] generic_perform_write+0x4c0/0x7b8 [ 553.701480][T20884] ext4_buffered_write_iter+0xd0/0x310 [ 553.701490][T20884] ext4_file_write_iter+0x1d8/0x1390 [ 553.701500][T20884] do_iter_readv_writev+0x48c/0x6f8 [ 553.701511][T20884] vfs_writev+0x2c8/0x664 [ 553.701520][T20884] do_pwritev+0x120/0x234 [ 553.701529][T20884] __arm64_sys_pwritev2+0xd4/0x108 [ 553.701539][T20884] invoke_syscall+0x98/0x244 [ 553.701549][T20884] el0_svc_common+0xe8/0x23c [ 553.701558][T20884] do_el0_svc+0x48/0x58 [ 553.701567][T20884] el0_svc+0x60/0x25c [ 553.701576][T20884] el0t_64_sync_handler+0x48/0x148 [ 553.701585][T20884] el0t_64_sync+0x198/0x19c [ 553.735698][T20883] FAULT_INJECTION: forcing a failure. [ 553.735698][T20883] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.738019][T20883] CPU: 1 UID: 0 PID: 20883 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.738038][T20883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.738046][T20883] Call trace: [ 553.738051][T20883] show_stack+0x2c/0x3c (C) [ 553.738071][T20883] __dump_stack+0x30/0x40 [ 553.738082][T20883] dump_stack_lvl+0xd8/0x12c [ 553.738092][T20883] dump_stack+0x1c/0x28 [ 553.738100][T20883] should_fail_ex+0x414/0x588 [ 553.738111][T20883] should_fail+0x14/0x24 [ 553.738120][T20883] should_fail_usercopy+0x20/0x30 [ 553.738130][T20883] copy_folio_from_iter_atomic+0x38c/0x1450 executing program [ 553.738141][T20883] generic_perform_write+0x4c0/0x7b8 [ 553.738151][T20883] ext4_buffered_write_iter+0xd0/0x310 [ 553.738163][T20883] ext4_file_write_iter+0x1d8/0x1390 [ 553.738172][T20883] do_iter_readv_writev+0x48c/0x6f8 [ 553.738183][T20883] vfs_writev+0x2c8/0x664 [ 553.738192][T20883] do_pwritev+0x120/0x234 [ 553.738202][T20883] __arm64_sys_pwritev2+0xd4/0x108 [ 553.738211][T20883] invoke_syscall+0x98/0x244 [ 553.738221][T20883] el0_svc_common+0xe8/0x23c [ 553.738230][T20883] do_el0_svc+0x48/0x58 [ 553.738239][T20883] el0_svc+0x60/0x25c [ 553.738249][T20883] el0t_64_sync_handler+0x48/0x148 [ 553.738258][T20883] el0t_64_sync+0x198/0x19c [ 553.762240][T20889] FAULT_INJECTION: forcing a failure. [ 553.762240][T20889] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.764577][T20889] CPU: 1 UID: 0 PID: 20889 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.764593][T20889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.764599][T20889] Call trace: [ 553.764602][T20889] show_stack+0x2c/0x3c (C) [ 553.764616][T20889] __dump_stack+0x30/0x40 [ 553.764625][T20889] dump_stack_lvl+0xd8/0x12c [ 553.764634][T20889] dump_stack+0x1c/0x28 [ 553.764642][T20889] should_fail_ex+0x414/0x588 [ 553.764652][T20889] should_fail+0x14/0x24 [ 553.764661][T20889] should_fail_usercopy+0x20/0x30 [ 553.764671][T20889] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.764682][T20889] generic_perform_write+0x4c0/0x7b8 [ 553.764691][T20889] ext4_buffered_write_iter+0xd0/0x310 [ 553.764702][T20889] ext4_file_write_iter+0x1d8/0x1390 [ 553.764712][T20889] do_iter_readv_writev+0x48c/0x6f8 [ 553.764721][T20889] vfs_writev+0x2c8/0x664 [ 553.764731][T20889] do_pwritev+0x120/0x234 [ 553.764740][T20889] __arm64_sys_pwritev2+0xd4/0x108 [ 553.764750][T20889] invoke_syscall+0x98/0x244 [ 553.764759][T20889] el0_svc_common+0xe8/0x23c [ 553.764768][T20889] do_el0_svc+0x48/0x58 [ 553.764777][T20889] el0_svc+0x60/0x25c [ 553.764786][T20889] el0t_64_sync_handler+0x48/0x148 [ 553.764794][T20889] el0t_64_sync+0x198/0x19c executing program [ 553.797001][T20886] FAULT_INJECTION: forcing a failure. [ 553.797001][T20886] name fail_usercopy, interval 1, probability 0, space 0, times 0 executing program [ 553.803142][T20886] CPU: 1 UID: 0 PID: 20886 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.803165][T20886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.803172][T20886] Call trace: [ 553.803177][T20886] show_stack+0x2c/0x3c (C) [ 553.803197][T20886] __dump_stack+0x30/0x40 [ 553.803209][T20886] dump_stack_lvl+0xd8/0x12c [ 553.803218][T20886] dump_stack+0x1c/0x28 [ 553.803227][T20886] should_fail_ex+0x414/0x588 [ 553.803237][T20886] should_fail+0x14/0x24 [ 553.803246][T20886] should_fail_usercopy+0x20/0x30 [ 553.803255][T20886] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.803266][T20886] generic_perform_write+0x4c0/0x7b8 [ 553.803276][T20886] ext4_buffered_write_iter+0xd0/0x310 [ 553.803286][T20886] ext4_file_write_iter+0x1d8/0x1390 [ 553.803296][T20886] do_iter_readv_writev+0x48c/0x6f8 [ 553.803306][T20886] vfs_writev+0x2c8/0x664 [ 553.803316][T20886] do_pwritev+0x120/0x234 [ 553.803325][T20886] __arm64_sys_pwritev2+0xd4/0x108 [ 553.803334][T20886] invoke_syscall+0x98/0x244 [ 553.803344][T20886] el0_svc_common+0xe8/0x23c [ 553.803353][T20886] do_el0_svc+0x48/0x58 [ 553.803362][T20886] el0_svc+0x60/0x25c [ 553.803371][T20886] el0t_64_sync_handler+0x48/0x148 [ 553.803380][T20886] el0t_64_sync+0x198/0x19c executing program [ 553.940620][T20896] FAULT_INJECTION: forcing a failure. [ 553.940620][T20896] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 553.943215][T20896] CPU: 1 UID: 0 PID: 20896 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 553.943234][T20896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 553.943243][T20896] Call trace: [ 553.943247][T20896] show_stack+0x2c/0x3c (C) [ 553.943273][T20896] __dump_stack+0x30/0x40 [ 553.943284][T20896] dump_stack_lvl+0xd8/0x12c [ 553.943293][T20896] dump_stack+0x1c/0x28 [ 553.943302][T20896] should_fail_ex+0x414/0x588 [ 553.943313][T20896] should_fail+0x14/0x24 [ 553.943322][T20896] should_fail_usercopy+0x20/0x30 [ 553.943332][T20896] copy_folio_from_iter_atomic+0x38c/0x1450 [ 553.943343][T20896] generic_perform_write+0x4c0/0x7b8 [ 553.943353][T20896] ext4_buffered_write_iter+0xd0/0x310 [ 553.943364][T20896] ext4_file_write_iter+0x1d8/0x1390 [ 553.943374][T20896] do_iter_readv_writev+0x48c/0x6f8 [ 553.943384][T20896] vfs_writev+0x2c8/0x664 [ 553.943393][T20896] do_pwritev+0x120/0x234 [ 553.943403][T20896] __arm64_sys_pwritev2+0xd4/0x108 [ 553.943412][T20896] invoke_syscall+0x98/0x244 [ 553.943422][T20896] el0_svc_common+0xe8/0x23c [ 553.943431][T20896] do_el0_svc+0x48/0x58 [ 553.943440][T20896] el0_svc+0x60/0x25c [ 553.943450][T20896] el0t_64_sync_handler+0x48/0x148 [ 553.943459][T20896] el0t_64_sync+0x198/0x19c executing program [ 554.046477][T20895] FAULT_INJECTION: forcing a failure. [ 554.046477][T20895] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.046520][T20895] CPU: 0 UID: 0 PID: 20895 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.046533][T20895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.046541][T20895] Call trace: [ 554.046545][T20895] show_stack+0x2c/0x3c (C) [ 554.046564][T20895] __dump_stack+0x30/0x40 [ 554.046576][T20895] dump_stack_lvl+0xd8/0x12c [ 554.046585][T20895] dump_stack+0x1c/0x28 [ 554.046594][T20895] should_fail_ex+0x414/0x588 [ 554.046605][T20895] should_fail+0x14/0x24 [ 554.046613][T20895] should_fail_usercopy+0x20/0x30 [ 554.046623][T20895] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.046635][T20895] generic_perform_write+0x4c0/0x7b8 [ 554.046644][T20895] ext4_buffered_write_iter+0xd0/0x310 [ 554.046655][T20895] ext4_file_write_iter+0x1d8/0x1390 [ 554.046665][T20895] do_iter_readv_writev+0x48c/0x6f8 [ 554.046675][T20895] vfs_writev+0x2c8/0x664 [ 554.046685][T20895] do_pwritev+0x120/0x234 [ 554.046694][T20895] __arm64_sys_pwritev2+0xd4/0x108 [ 554.046703][T20895] invoke_syscall+0x98/0x244 [ 554.046713][T20895] el0_svc_common+0xe8/0x23c [ 554.046722][T20895] do_el0_svc+0x48/0x58 [ 554.046731][T20895] el0_svc+0x60/0x25c [ 554.046741][T20895] el0t_64_sync_handler+0x48/0x148 [ 554.046755][T20895] el0t_64_sync+0x198/0x19c executing program [ 554.136143][T20890] FAULT_INJECTION: forcing a failure. [ 554.136143][T20890] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.136183][T20890] CPU: 0 UID: 0 PID: 20890 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.136196][T20890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.136204][T20890] Call trace: [ 554.136208][T20890] show_stack+0x2c/0x3c (C) [ 554.136228][T20890] __dump_stack+0x30/0x40 [ 554.136239][T20890] dump_stack_lvl+0xd8/0x12c [ 554.136248][T20890] dump_stack+0x1c/0x28 [ 554.136256][T20890] should_fail_ex+0x414/0x588 [ 554.136267][T20890] should_fail+0x14/0x24 [ 554.136276][T20890] should_fail_usercopy+0x20/0x30 [ 554.136286][T20890] copy_folio_from_iter_atomic+0x38c/0x1450 executing program [ 554.136298][T20890] generic_perform_write+0x4c0/0x7b8 [ 554.136308][T20890] ext4_buffered_write_iter+0xd0/0x310 [ 554.136319][T20890] ext4_file_write_iter+0x1d8/0x1390 [ 554.136329][T20890] do_iter_readv_writev+0x48c/0x6f8 [ 554.136340][T20890] vfs_writev+0x2c8/0x664 [ 554.136349][T20890] do_pwritev+0x120/0x234 [ 554.136359][T20890] __arm64_sys_pwritev2+0xd4/0x108 [ 554.136368][T20890] invoke_syscall+0x98/0x244 [ 554.136378][T20890] el0_svc_common+0xe8/0x23c [ 554.136387][T20890] do_el0_svc+0x48/0x58 [ 554.136396][T20890] el0_svc+0x60/0x25c [ 554.136406][T20890] el0t_64_sync_handler+0x48/0x148 [ 554.136414][T20890] el0t_64_sync+0x198/0x19c [ 554.234790][T20902] FAULT_INJECTION: forcing a failure. [ 554.234790][T20902] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.237268][T20902] CPU: 1 UID: 0 PID: 20902 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.237288][T20902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.237297][T20902] Call trace: [ 554.237301][T20902] show_stack+0x2c/0x3c (C) [ 554.237321][T20902] __dump_stack+0x30/0x40 [ 554.237332][T20902] dump_stack_lvl+0xd8/0x12c [ 554.237341][T20902] dump_stack+0x1c/0x28 [ 554.237350][T20902] should_fail_ex+0x414/0x588 [ 554.237361][T20902] should_fail+0x14/0x24 [ 554.237370][T20902] should_fail_usercopy+0x20/0x30 [ 554.237379][T20902] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.237391][T20902] generic_perform_write+0x4c0/0x7b8 [ 554.237401][T20902] ext4_buffered_write_iter+0xd0/0x310 [ 554.237413][T20902] ext4_file_write_iter+0x1d8/0x1390 [ 554.237422][T20902] do_iter_readv_writev+0x48c/0x6f8 [ 554.237433][T20902] vfs_writev+0x2c8/0x664 [ 554.237443][T20902] do_pwritev+0x120/0x234 [ 554.237452][T20902] __arm64_sys_pwritev2+0xd4/0x108 [ 554.237462][T20902] invoke_syscall+0x98/0x244 [ 554.237472][T20902] el0_svc_common+0xe8/0x23c [ 554.237481][T20902] do_el0_svc+0x48/0x58 [ 554.237490][T20902] el0_svc+0x60/0x25c [ 554.237500][T20902] el0t_64_sync_handler+0x48/0x148 [ 554.237509][T20902] el0t_64_sync+0x198/0x19c [ 554.288365][T20900] FAULT_INJECTION: forcing a failure. [ 554.288365][T20900] name fail_usercopy, interval 1, probability 0, space 0, times 0 executing program [ 554.293158][T20900] CPU: 1 UID: 0 PID: 20900 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.293180][T20900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.293186][T20900] Call trace: [ 554.293190][T20900] show_stack+0x2c/0x3c (C) [ 554.293210][T20900] __dump_stack+0x30/0x40 [ 554.293220][T20900] dump_stack_lvl+0xd8/0x12c [ 554.293230][T20900] dump_stack+0x1c/0x28 [ 554.293238][T20900] should_fail_ex+0x414/0x588 [ 554.293249][T20900] should_fail+0x14/0x24 [ 554.293258][T20900] should_fail_usercopy+0x20/0x30 [ 554.293268][T20900] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.293280][T20900] generic_perform_write+0x4c0/0x7b8 [ 554.293289][T20900] ext4_buffered_write_iter+0xd0/0x310 [ 554.293300][T20900] ext4_file_write_iter+0x1d8/0x1390 [ 554.293310][T20900] do_iter_readv_writev+0x48c/0x6f8 [ 554.293321][T20900] vfs_writev+0x2c8/0x664 [ 554.293330][T20900] do_pwritev+0x120/0x234 [ 554.293339][T20900] __arm64_sys_pwritev2+0xd4/0x108 [ 554.293349][T20900] invoke_syscall+0x98/0x244 [ 554.293359][T20900] el0_svc_common+0xe8/0x23c [ 554.293368][T20900] do_el0_svc+0x48/0x58 [ 554.293377][T20900] el0_svc+0x60/0x25c [ 554.293387][T20900] el0t_64_sync_handler+0x48/0x148 [ 554.293396][T20900] el0t_64_sync+0x198/0x19c [ 554.334218][T20898] FAULT_INJECTION: forcing a failure. [ 554.334218][T20898] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.334256][T20898] CPU: 0 UID: 0 PID: 20898 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.334272][T20898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.334280][T20898] Call trace: [ 554.334284][T20898] show_stack+0x2c/0x3c (C) [ 554.334303][T20898] __dump_stack+0x30/0x40 [ 554.334314][T20898] dump_stack_lvl+0xd8/0x12c [ 554.334323][T20898] dump_stack+0x1c/0x28 [ 554.334331][T20898] should_fail_ex+0x414/0x588 [ 554.334342][T20898] should_fail+0x14/0x24 [ 554.334351][T20898] should_fail_usercopy+0x20/0x30 [ 554.334361][T20898] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.334372][T20898] generic_perform_write+0x4c0/0x7b8 [ 554.334382][T20898] ext4_buffered_write_iter+0xd0/0x310 [ 554.334394][T20898] ext4_file_write_iter+0x1d8/0x1390 [ 554.334404][T20898] do_iter_readv_writev+0x48c/0x6f8 [ 554.334414][T20898] vfs_writev+0x2c8/0x664 [ 554.334423][T20898] do_pwritev+0x120/0x234 [ 554.334433][T20898] __arm64_sys_pwritev2+0xd4/0x108 [ 554.334442][T20898] invoke_syscall+0x98/0x244 [ 554.334452][T20898] el0_svc_common+0xe8/0x23c [ 554.334461][T20898] do_el0_svc+0x48/0x58 [ 554.334470][T20898] el0_svc+0x60/0x25c executing program [ 554.334480][T20898] el0t_64_sync_handler+0x48/0x148 [ 554.334489][T20898] el0t_64_sync+0x198/0x19c executing program [ 554.438294][T20897] FAULT_INJECTION: forcing a failure. [ 554.438294][T20897] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.440495][T20897] CPU: 1 UID: 0 PID: 20897 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.440518][T20897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.440530][T20897] Call trace: [ 554.440535][T20897] show_stack+0x2c/0x3c (C) [ 554.440554][T20897] __dump_stack+0x30/0x40 [ 554.440564][T20897] dump_stack_lvl+0xd8/0x12c [ 554.440573][T20897] dump_stack+0x1c/0x28 [ 554.440582][T20897] should_fail_ex+0x414/0x588 [ 554.440592][T20897] should_fail+0x14/0x24 [ 554.440601][T20897] should_fail_usercopy+0x20/0x30 [ 554.440611][T20897] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.440623][T20897] generic_perform_write+0x4c0/0x7b8 [ 554.440633][T20897] ext4_buffered_write_iter+0xd0/0x310 [ 554.440644][T20897] ext4_file_write_iter+0x1d8/0x1390 [ 554.440654][T20897] do_iter_readv_writev+0x48c/0x6f8 [ 554.440664][T20897] vfs_writev+0x2c8/0x664 [ 554.440674][T20897] do_pwritev+0x120/0x234 [ 554.440683][T20897] __arm64_sys_pwritev2+0xd4/0x108 [ 554.440693][T20897] invoke_syscall+0x98/0x244 [ 554.440702][T20897] el0_svc_common+0xe8/0x23c [ 554.440712][T20897] do_el0_svc+0x48/0x58 [ 554.440721][T20897] el0_svc+0x60/0x25c [ 554.440730][T20897] el0t_64_sync_handler+0x48/0x148 [ 554.440739][T20897] el0t_64_sync+0x198/0x19c [ 554.474736][T20909] FAULT_INJECTION: forcing a failure. [ 554.474736][T20909] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.477120][T20909] CPU: 1 UID: 0 PID: 20909 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.477137][T20909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.477143][T20909] Call trace: [ 554.477146][T20909] show_stack+0x2c/0x3c (C) [ 554.477163][T20909] __dump_stack+0x30/0x40 [ 554.477173][T20909] dump_stack_lvl+0xd8/0x12c [ 554.477182][T20909] dump_stack+0x1c/0x28 [ 554.477190][T20909] should_fail_ex+0x414/0x588 [ 554.477201][T20909] should_fail+0x14/0x24 [ 554.477210][T20909] should_fail_usercopy+0x20/0x30 [ 554.477220][T20909] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.477232][T20909] generic_perform_write+0x4c0/0x7b8 [ 554.477242][T20909] ext4_buffered_write_iter+0xd0/0x310 [ 554.477253][T20909] ext4_file_write_iter+0x1d8/0x1390 [ 554.477263][T20909] do_iter_readv_writev+0x48c/0x6f8 [ 554.477273][T20909] vfs_writev+0x2c8/0x664 [ 554.477283][T20909] do_pwritev+0x120/0x234 [ 554.477292][T20909] __arm64_sys_pwritev2+0xd4/0x108 [ 554.477302][T20909] invoke_syscall+0x98/0x244 [ 554.477312][T20909] el0_svc_common+0xe8/0x23c [ 554.477321][T20909] do_el0_svc+0x48/0x58 [ 554.477330][T20909] el0_svc+0x60/0x25c [ 554.477340][T20909] el0t_64_sync_handler+0x48/0x148 [ 554.477348][T20909] el0t_64_sync+0x198/0x19c executing program executing program [ 554.673486][T20913] FAULT_INJECTION: forcing a failure. [ 554.673486][T20913] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.675952][T20913] CPU: 1 UID: 0 PID: 20913 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.675972][T20913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.675978][T20913] Call trace: [ 554.675981][T20913] show_stack+0x2c/0x3c (C) [ 554.675999][T20913] __dump_stack+0x30/0x40 [ 554.676009][T20913] dump_stack_lvl+0xd8/0x12c [ 554.676017][T20913] dump_stack+0x1c/0x28 [ 554.676026][T20913] should_fail_ex+0x414/0x588 [ 554.676037][T20913] should_fail+0x14/0x24 [ 554.676045][T20913] should_fail_usercopy+0x20/0x30 [ 554.676055][T20913] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.676067][T20913] generic_perform_write+0x4c0/0x7b8 [ 554.676076][T20913] ext4_buffered_write_iter+0xd0/0x310 [ 554.676087][T20913] ext4_file_write_iter+0x1d8/0x1390 [ 554.676097][T20913] do_iter_readv_writev+0x48c/0x6f8 [ 554.676108][T20913] vfs_writev+0x2c8/0x664 [ 554.676117][T20913] do_pwritev+0x120/0x234 [ 554.676126][T20913] __arm64_sys_pwritev2+0xd4/0x108 [ 554.676136][T20913] invoke_syscall+0x98/0x244 [ 554.676145][T20913] el0_svc_common+0xe8/0x23c [ 554.676155][T20913] do_el0_svc+0x48/0x58 [ 554.676164][T20913] el0_svc+0x60/0x25c [ 554.676173][T20913] el0t_64_sync_handler+0x48/0x148 [ 554.676182][T20913] el0t_64_sync+0x198/0x19c [ 554.715015][T20905] FAULT_INJECTION: forcing a failure. [ 554.715015][T20905] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.715051][T20905] CPU: 0 UID: 0 PID: 20905 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.715063][T20905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.715069][T20905] Call trace: [ 554.715074][T20905] show_stack+0x2c/0x3c (C) [ 554.715096][T20905] __dump_stack+0x30/0x40 [ 554.715107][T20905] dump_stack_lvl+0xd8/0x12c [ 554.715116][T20905] dump_stack+0x1c/0x28 [ 554.715125][T20905] should_fail_ex+0x414/0x588 [ 554.715136][T20905] should_fail+0x14/0x24 [ 554.715145][T20905] should_fail_usercopy+0x20/0x30 [ 554.715154][T20905] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.715166][T20905] generic_perform_write+0x4c0/0x7b8 [ 554.715176][T20905] ext4_buffered_write_iter+0xd0/0x310 [ 554.715187][T20905] ext4_file_write_iter+0x1d8/0x1390 [ 554.715197][T20905] do_iter_readv_writev+0x48c/0x6f8 [ 554.715207][T20905] vfs_writev+0x2c8/0x664 [ 554.715217][T20905] do_pwritev+0x120/0x234 [ 554.715226][T20905] __arm64_sys_pwritev2+0xd4/0x108 [ 554.715236][T20905] invoke_syscall+0x98/0x244 [ 554.715245][T20905] el0_svc_common+0xe8/0x23c [ 554.715255][T20905] do_el0_svc+0x48/0x58 [ 554.715264][T20905] el0_svc+0x60/0x25c [ 554.715273][T20905] el0t_64_sync_handler+0x48/0x148 [ 554.715282][T20905] el0t_64_sync+0x198/0x19c executing program executing program [ 554.818508][T20911] FAULT_INJECTION: forcing a failure. [ 554.818508][T20911] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.818549][T20911] CPU: 0 UID: 0 PID: 20911 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.818563][T20911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.818571][T20911] Call trace: [ 554.818575][T20911] show_stack+0x2c/0x3c (C) [ 554.818594][T20911] __dump_stack+0x30/0x40 [ 554.818605][T20911] dump_stack_lvl+0xd8/0x12c [ 554.818614][T20911] dump_stack+0x1c/0x28 [ 554.818623][T20911] should_fail_ex+0x414/0x588 [ 554.818635][T20911] should_fail+0x14/0x24 [ 554.818643][T20911] should_fail_usercopy+0x20/0x30 [ 554.818653][T20911] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.818665][T20911] generic_perform_write+0x4c0/0x7b8 [ 554.818674][T20911] ext4_buffered_write_iter+0xd0/0x310 [ 554.818685][T20911] ext4_file_write_iter+0x1d8/0x1390 [ 554.818695][T20911] do_iter_readv_writev+0x48c/0x6f8 [ 554.818706][T20911] vfs_writev+0x2c8/0x664 [ 554.818715][T20911] do_pwritev+0x120/0x234 [ 554.818724][T20911] __arm64_sys_pwritev2+0xd4/0x108 [ 554.818734][T20911] invoke_syscall+0x98/0x244 [ 554.818752][T20911] el0_svc_common+0xe8/0x23c [ 554.818761][T20911] do_el0_svc+0x48/0x58 [ 554.818771][T20911] el0_svc+0x60/0x25c [ 554.818781][T20911] el0t_64_sync_handler+0x48/0x148 [ 554.818790][T20911] el0t_64_sync+0x198/0x19c executing program [ 554.894674][T20914] FAULT_INJECTION: forcing a failure. [ 554.894674][T20914] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.894713][T20914] CPU: 0 UID: 0 PID: 20914 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.894726][T20914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.894733][T20914] Call trace: [ 554.894737][T20914] show_stack+0x2c/0x3c (C) [ 554.894759][T20914] __dump_stack+0x30/0x40 [ 554.894770][T20914] dump_stack_lvl+0xd8/0x12c [ 554.894779][T20914] dump_stack+0x1c/0x28 [ 554.894788][T20914] should_fail_ex+0x414/0x588 [ 554.894799][T20914] should_fail+0x14/0x24 [ 554.894808][T20914] should_fail_usercopy+0x20/0x30 [ 554.894818][T20914] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.894829][T20914] generic_perform_write+0x4c0/0x7b8 [ 554.894839][T20914] ext4_buffered_write_iter+0xd0/0x310 [ 554.894850][T20914] ext4_file_write_iter+0x1d8/0x1390 [ 554.894860][T20914] do_iter_readv_writev+0x48c/0x6f8 [ 554.894871][T20914] vfs_writev+0x2c8/0x664 [ 554.894881][T20914] do_pwritev+0x120/0x234 [ 554.894890][T20914] __arm64_sys_pwritev2+0xd4/0x108 [ 554.894900][T20914] invoke_syscall+0x98/0x244 [ 554.894909][T20914] el0_svc_common+0xe8/0x23c executing program [ 554.894919][T20914] do_el0_svc+0x48/0x58 [ 554.894928][T20914] el0_svc+0x60/0x25c [ 554.894938][T20914] el0t_64_sync_handler+0x48/0x148 [ 554.894947][T20914] el0t_64_sync+0x198/0x19c [ 554.960566][T20910] FAULT_INJECTION: forcing a failure. [ 554.960566][T20910] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.960607][T20910] CPU: 0 UID: 0 PID: 20910 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.960621][T20910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.960629][T20910] Call trace: [ 554.960633][T20910] show_stack+0x2c/0x3c (C) [ 554.960653][T20910] __dump_stack+0x30/0x40 [ 554.960667][T20910] dump_stack_lvl+0xd8/0x12c [ 554.960677][T20910] dump_stack+0x1c/0x28 [ 554.960685][T20910] should_fail_ex+0x414/0x588 [ 554.960697][T20910] should_fail+0x14/0x24 [ 554.960706][T20910] should_fail_usercopy+0x20/0x30 [ 554.960716][T20910] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.960729][T20910] generic_perform_write+0x4c0/0x7b8 [ 554.960739][T20910] ext4_buffered_write_iter+0xd0/0x310 [ 554.960756][T20910] ext4_file_write_iter+0x1d8/0x1390 [ 554.960766][T20910] do_iter_readv_writev+0x48c/0x6f8 [ 554.960777][T20910] vfs_writev+0x2c8/0x664 [ 554.960787][T20910] do_pwritev+0x120/0x234 [ 554.960796][T20910] __arm64_sys_pwritev2+0xd4/0x108 [ 554.960806][T20910] invoke_syscall+0x98/0x244 [ 554.960816][T20910] el0_svc_common+0xe8/0x23c [ 554.960825][T20910] do_el0_svc+0x48/0x58 [ 554.960834][T20910] el0_svc+0x60/0x25c [ 554.960844][T20910] el0t_64_sync_handler+0x48/0x148 [ 554.960853][T20910] el0t_64_sync+0x198/0x19c [ 554.972213][T20919] FAULT_INJECTION: forcing a failure. [ 554.972213][T20919] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.972229][T20919] CPU: 0 UID: 0 PID: 20919 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 554.972238][T20919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 554.972243][T20919] Call trace: [ 554.972246][T20919] show_stack+0x2c/0x3c (C) [ 554.972259][T20919] __dump_stack+0x30/0x40 [ 554.972269][T20919] dump_stack_lvl+0xd8/0x12c [ 554.972277][T20919] dump_stack+0x1c/0x28 [ 554.972286][T20919] should_fail_ex+0x414/0x588 [ 554.972296][T20919] should_fail+0x14/0x24 [ 554.972305][T20919] should_fail_usercopy+0x20/0x30 [ 554.972314][T20919] copy_folio_from_iter_atomic+0x38c/0x1450 [ 554.972325][T20919] generic_perform_write+0x4c0/0x7b8 [ 554.972334][T20919] ext4_buffered_write_iter+0xd0/0x310 [ 554.972345][T20919] ext4_file_write_iter+0x1d8/0x1390 [ 554.972355][T20919] do_iter_readv_writev+0x48c/0x6f8 [ 554.972365][T20919] vfs_writev+0x2c8/0x664 [ 554.972374][T20919] do_pwritev+0x120/0x234 [ 554.972384][T20919] __arm64_sys_pwritev2+0xd4/0x108 executing program [ 554.972393][T20919] invoke_syscall+0x98/0x244 [ 554.972403][T20919] el0_svc_common+0xe8/0x23c [ 554.972412][T20919] do_el0_svc+0x48/0x58 [ 554.972421][T20919] el0_svc+0x60/0x25c [ 554.972430][T20919] el0t_64_sync_handler+0x48/0x148 [ 554.972438][T20919] el0t_64_sync+0x198/0x19c executing program [ 555.153618][T20926] FAULT_INJECTION: forcing a failure. [ 555.153618][T20926] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.156150][T20926] CPU: 1 UID: 0 PID: 20926 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.156171][T20926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.156178][T20926] Call trace: [ 555.156183][T20926] show_stack+0x2c/0x3c (C) [ 555.156201][T20926] __dump_stack+0x30/0x40 [ 555.156211][T20926] dump_stack_lvl+0xd8/0x12c [ 555.156220][T20926] dump_stack+0x1c/0x28 [ 555.156228][T20926] should_fail_ex+0x414/0x588 [ 555.156239][T20926] should_fail+0x14/0x24 [ 555.156248][T20926] should_fail_usercopy+0x20/0x30 [ 555.156257][T20926] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.156269][T20926] generic_perform_write+0x4c0/0x7b8 [ 555.156279][T20926] ext4_buffered_write_iter+0xd0/0x310 [ 555.156290][T20926] ext4_file_write_iter+0x1d8/0x1390 [ 555.156299][T20926] do_iter_readv_writev+0x48c/0x6f8 [ 555.156310][T20926] vfs_writev+0x2c8/0x664 [ 555.156319][T20926] do_pwritev+0x120/0x234 [ 555.156329][T20926] __arm64_sys_pwritev2+0xd4/0x108 [ 555.156338][T20926] invoke_syscall+0x98/0x244 [ 555.156348][T20926] el0_svc_common+0xe8/0x23c [ 555.156357][T20926] do_el0_svc+0x48/0x58 [ 555.156366][T20926] el0_svc+0x60/0x25c [ 555.156376][T20926] el0t_64_sync_handler+0x48/0x148 [ 555.156385][T20926] el0t_64_sync+0x198/0x19c executing program [ 555.308036][T20921] FAULT_INJECTION: forcing a failure. [ 555.308036][T20921] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.313161][T20921] CPU: 1 UID: 0 PID: 20921 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.313184][T20921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.313190][T20921] Call trace: [ 555.313194][T20921] show_stack+0x2c/0x3c (C) [ 555.313216][T20921] __dump_stack+0x30/0x40 [ 555.313230][T20921] dump_stack_lvl+0xd8/0x12c [ 555.313239][T20921] dump_stack+0x1c/0x28 [ 555.313248][T20921] should_fail_ex+0x414/0x588 [ 555.313259][T20921] should_fail+0x14/0x24 [ 555.313267][T20921] should_fail_usercopy+0x20/0x30 [ 555.313277][T20921] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.313289][T20921] generic_perform_write+0x4c0/0x7b8 [ 555.313299][T20921] ext4_buffered_write_iter+0xd0/0x310 [ 555.313310][T20921] ext4_file_write_iter+0x1d8/0x1390 [ 555.313320][T20921] do_iter_readv_writev+0x48c/0x6f8 [ 555.313330][T20921] vfs_writev+0x2c8/0x664 [ 555.313340][T20921] do_pwritev+0x120/0x234 [ 555.313349][T20921] __arm64_sys_pwritev2+0xd4/0x108 [ 555.313358][T20921] invoke_syscall+0x98/0x244 [ 555.313368][T20921] el0_svc_common+0xe8/0x23c [ 555.313377][T20921] do_el0_svc+0x48/0x58 [ 555.313386][T20921] el0_svc+0x60/0x25c [ 555.313396][T20921] el0t_64_sync_handler+0x48/0x148 [ 555.313405][T20921] el0t_64_sync+0x198/0x19c [ 555.335667][T20925] FAULT_INJECTION: forcing a failure. [ 555.335667][T20925] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.337901][T20925] CPU: 1 UID: 0 PID: 20925 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.337921][T20925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.337933][T20925] Call trace: [ 555.337937][T20925] show_stack+0x2c/0x3c (C) [ 555.337954][T20925] __dump_stack+0x30/0x40 [ 555.337964][T20925] dump_stack_lvl+0xd8/0x12c [ 555.337973][T20925] dump_stack+0x1c/0x28 [ 555.337982][T20925] should_fail_ex+0x414/0x588 [ 555.337992][T20925] should_fail+0x14/0x24 [ 555.338001][T20925] should_fail_usercopy+0x20/0x30 [ 555.338010][T20925] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.338022][T20925] generic_perform_write+0x4c0/0x7b8 [ 555.338031][T20925] ext4_buffered_write_iter+0xd0/0x310 [ 555.338042][T20925] ext4_file_write_iter+0x1d8/0x1390 [ 555.338052][T20925] do_iter_readv_writev+0x48c/0x6f8 [ 555.338063][T20925] vfs_writev+0x2c8/0x664 [ 555.338072][T20925] do_pwritev+0x120/0x234 [ 555.338081][T20925] __arm64_sys_pwritev2+0xd4/0x108 [ 555.338091][T20925] invoke_syscall+0x98/0x244 [ 555.338100][T20925] el0_svc_common+0xe8/0x23c [ 555.338110][T20925] do_el0_svc+0x48/0x58 [ 555.338119][T20925] el0_svc+0x60/0x25c [ 555.338128][T20925] el0t_64_sync_handler+0x48/0x148 [ 555.338137][T20925] el0t_64_sync+0x198/0x19c executing program executing program [ 555.418996][T20918] FAULT_INJECTION: forcing a failure. [ 555.418996][T20918] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.419036][T20918] CPU: 0 UID: 0 PID: 20918 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.419049][T20918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.419055][T20918] Call trace: [ 555.419059][T20918] show_stack+0x2c/0x3c (C) [ 555.419076][T20918] __dump_stack+0x30/0x40 [ 555.419087][T20918] dump_stack_lvl+0xd8/0x12c [ 555.419096][T20918] dump_stack+0x1c/0x28 [ 555.419105][T20918] should_fail_ex+0x414/0x588 [ 555.419116][T20918] should_fail+0x14/0x24 [ 555.419125][T20918] should_fail_usercopy+0x20/0x30 [ 555.419134][T20918] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.419146][T20918] generic_perform_write+0x4c0/0x7b8 [ 555.419156][T20918] ext4_buffered_write_iter+0xd0/0x310 [ 555.419167][T20918] ext4_file_write_iter+0x1d8/0x1390 [ 555.419177][T20918] do_iter_readv_writev+0x48c/0x6f8 [ 555.419187][T20918] vfs_writev+0x2c8/0x664 [ 555.419197][T20918] do_pwritev+0x120/0x234 [ 555.419206][T20918] __arm64_sys_pwritev2+0xd4/0x108 [ 555.419215][T20918] invoke_syscall+0x98/0x244 [ 555.419225][T20918] el0_svc_common+0xe8/0x23c [ 555.419234][T20918] do_el0_svc+0x48/0x58 [ 555.419243][T20918] el0_svc+0x60/0x25c [ 555.419253][T20918] el0t_64_sync_handler+0x48/0x148 [ 555.419261][T20918] el0t_64_sync+0x198/0x19c [ 555.465317][T20929] FAULT_INJECTION: forcing a failure. [ 555.465317][T20929] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.467537][T20929] CPU: 1 UID: 0 PID: 20929 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.467555][T20929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.467562][T20929] Call trace: [ 555.467565][T20929] show_stack+0x2c/0x3c (C) [ 555.467584][T20929] __dump_stack+0x30/0x40 [ 555.467594][T20929] dump_stack_lvl+0xd8/0x12c [ 555.467603][T20929] dump_stack+0x1c/0x28 [ 555.467612][T20929] should_fail_ex+0x414/0x588 [ 555.467623][T20929] should_fail+0x14/0x24 [ 555.467631][T20929] should_fail_usercopy+0x20/0x30 [ 555.467641][T20929] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.467653][T20929] generic_perform_write+0x4c0/0x7b8 [ 555.467663][T20929] ext4_buffered_write_iter+0xd0/0x310 [ 555.467674][T20929] ext4_file_write_iter+0x1d8/0x1390 [ 555.467684][T20929] do_iter_readv_writev+0x48c/0x6f8 [ 555.467694][T20929] vfs_writev+0x2c8/0x664 [ 555.467704][T20929] do_pwritev+0x120/0x234 [ 555.467713][T20929] __arm64_sys_pwritev2+0xd4/0x108 [ 555.467723][T20929] invoke_syscall+0x98/0x244 [ 555.467733][T20929] el0_svc_common+0xe8/0x23c [ 555.467742][T20929] do_el0_svc+0x48/0x58 [ 555.467751][T20929] el0_svc+0x60/0x25c executing program [ 555.467761][T20929] el0t_64_sync_handler+0x48/0x148 [ 555.467769][T20929] el0t_64_sync+0x198/0x19c [ 555.501649][T20923] FAULT_INJECTION: forcing a failure. [ 555.501649][T20923] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.501691][T20923] CPU: 0 UID: 0 PID: 20923 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.501704][T20923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.501712][T20923] Call trace: [ 555.501716][T20923] show_stack+0x2c/0x3c (C) [ 555.501731][T20923] __dump_stack+0x30/0x40 [ 555.501741][T20923] dump_stack_lvl+0xd8/0x12c [ 555.501755][T20923] dump_stack+0x1c/0x28 [ 555.501763][T20923] should_fail_ex+0x414/0x588 [ 555.501774][T20923] should_fail+0x14/0x24 [ 555.501783][T20923] should_fail_usercopy+0x20/0x30 [ 555.501792][T20923] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.501804][T20923] generic_perform_write+0x4c0/0x7b8 [ 555.501813][T20923] ext4_buffered_write_iter+0xd0/0x310 [ 555.501824][T20923] ext4_file_write_iter+0x1d8/0x1390 [ 555.501834][T20923] do_iter_readv_writev+0x48c/0x6f8 [ 555.501844][T20923] vfs_writev+0x2c8/0x664 executing program [ 555.501853][T20923] do_pwritev+0x120/0x234 [ 555.501863][T20923] __arm64_sys_pwritev2+0xd4/0x108 [ 555.501872][T20923] invoke_syscall+0x98/0x244 [ 555.501882][T20923] el0_svc_common+0xe8/0x23c [ 555.501891][T20923] do_el0_svc+0x48/0x58 [ 555.501899][T20923] el0_svc+0x60/0x25c [ 555.501908][T20923] el0t_64_sync_handler+0x48/0x148 [ 555.501917][T20923] el0t_64_sync+0x198/0x19c executing program [ 555.666211][T20934] FAULT_INJECTION: forcing a failure. [ 555.666211][T20934] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.668592][T20934] CPU: 1 UID: 0 PID: 20934 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.668612][T20934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.668622][T20934] Call trace: [ 555.668626][T20934] show_stack+0x2c/0x3c (C) [ 555.668643][T20934] __dump_stack+0x30/0x40 [ 555.668653][T20934] dump_stack_lvl+0xd8/0x12c [ 555.668662][T20934] dump_stack+0x1c/0x28 [ 555.668670][T20934] should_fail_ex+0x414/0x588 [ 555.668680][T20934] should_fail+0x14/0x24 [ 555.668689][T20934] should_fail_usercopy+0x20/0x30 [ 555.668699][T20934] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.668710][T20934] generic_perform_write+0x4c0/0x7b8 [ 555.668720][T20934] ext4_buffered_write_iter+0xd0/0x310 [ 555.668731][T20934] ext4_file_write_iter+0x1d8/0x1390 [ 555.668741][T20934] do_iter_readv_writev+0x48c/0x6f8 [ 555.668751][T20934] vfs_writev+0x2c8/0x664 [ 555.668760][T20934] do_pwritev+0x120/0x234 [ 555.668770][T20934] __arm64_sys_pwritev2+0xd4/0x108 [ 555.668779][T20934] invoke_syscall+0x98/0x244 [ 555.668789][T20934] el0_svc_common+0xe8/0x23c [ 555.668798][T20934] do_el0_svc+0x48/0x58 [ 555.668807][T20934] el0_svc+0x60/0x25c [ 555.668817][T20934] el0t_64_sync_handler+0x48/0x148 [ 555.668825][T20934] el0t_64_sync+0x198/0x19c [ 555.713780][T20938] FAULT_INJECTION: forcing a failure. [ 555.713780][T20938] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.713814][T20938] CPU: 0 UID: 0 PID: 20938 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.713827][T20938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.713835][T20938] Call trace: [ 555.713839][T20938] show_stack+0x2c/0x3c (C) [ 555.713859][T20938] __dump_stack+0x30/0x40 [ 555.713870][T20938] dump_stack_lvl+0xd8/0x12c executing program [ 555.713879][T20938] dump_stack+0x1c/0x28 [ 555.713888][T20938] should_fail_ex+0x414/0x588 [ 555.713899][T20938] should_fail+0x14/0x24 [ 555.713908][T20938] should_fail_usercopy+0x20/0x30 [ 555.713918][T20938] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.713929][T20938] generic_perform_write+0x4c0/0x7b8 [ 555.713939][T20938] ext4_buffered_write_iter+0xd0/0x310 [ 555.713950][T20938] ext4_file_write_iter+0x1d8/0x1390 [ 555.713960][T20938] do_iter_readv_writev+0x48c/0x6f8 [ 555.713970][T20938] vfs_writev+0x2c8/0x664 [ 555.713980][T20938] do_pwritev+0x120/0x234 [ 555.713989][T20938] __arm64_sys_pwritev2+0xd4/0x108 [ 555.713999][T20938] invoke_syscall+0x98/0x244 [ 555.714009][T20938] el0_svc_common+0xe8/0x23c [ 555.714018][T20938] do_el0_svc+0x48/0x58 [ 555.714027][T20938] el0_svc+0x60/0x25c [ 555.714037][T20938] el0t_64_sync_handler+0x48/0x148 [ 555.714045][T20938] el0t_64_sync+0x198/0x19c [ 555.764649][T20933] FAULT_INJECTION: forcing a failure. [ 555.764649][T20933] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.764690][T20933] CPU: 0 UID: 0 PID: 20933 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.764704][T20933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.764711][T20933] Call trace: [ 555.764715][T20933] show_stack+0x2c/0x3c (C) [ 555.764733][T20933] __dump_stack+0x30/0x40 [ 555.764749][T20933] dump_stack_lvl+0xd8/0x12c [ 555.764758][T20933] dump_stack+0x1c/0x28 [ 555.764767][T20933] should_fail_ex+0x414/0x588 [ 555.764778][T20933] should_fail+0x14/0x24 executing program [ 555.764788][T20933] should_fail_usercopy+0x20/0x30 [ 555.764798][T20933] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.764810][T20933] generic_perform_write+0x4c0/0x7b8 [ 555.764820][T20933] ext4_buffered_write_iter+0xd0/0x310 [ 555.764832][T20933] ext4_file_write_iter+0x1d8/0x1390 [ 555.764842][T20933] do_iter_readv_writev+0x48c/0x6f8 [ 555.764852][T20933] vfs_writev+0x2c8/0x664 [ 555.764862][T20933] do_pwritev+0x120/0x234 [ 555.764871][T20933] __arm64_sys_pwritev2+0xd4/0x108 [ 555.764881][T20933] invoke_syscall+0x98/0x244 [ 555.764891][T20933] el0_svc_common+0xe8/0x23c [ 555.764900][T20933] do_el0_svc+0x48/0x58 [ 555.764909][T20933] el0_svc+0x60/0x25c [ 555.764919][T20933] el0t_64_sync_handler+0x48/0x148 [ 555.764927][T20933] el0t_64_sync+0x198/0x19c executing program [ 555.890658][T20936] FAULT_INJECTION: forcing a failure. [ 555.890658][T20936] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.890698][T20936] CPU: 0 UID: 0 PID: 20936 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.890710][T20936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.890715][T20936] Call trace: [ 555.890719][T20936] show_stack+0x2c/0x3c (C) [ 555.890738][T20936] __dump_stack+0x30/0x40 [ 555.890753][T20936] dump_stack_lvl+0xd8/0x12c [ 555.890762][T20936] dump_stack+0x1c/0x28 [ 555.890770][T20936] should_fail_ex+0x414/0x588 [ 555.890781][T20936] should_fail+0x14/0x24 [ 555.890790][T20936] should_fail_usercopy+0x20/0x30 [ 555.890799][T20936] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.890811][T20936] generic_perform_write+0x4c0/0x7b8 [ 555.890821][T20936] ext4_buffered_write_iter+0xd0/0x310 [ 555.890832][T20936] ext4_file_write_iter+0x1d8/0x1390 [ 555.890842][T20936] do_iter_readv_writev+0x48c/0x6f8 [ 555.890852][T20936] vfs_writev+0x2c8/0x664 [ 555.890861][T20936] do_pwritev+0x120/0x234 [ 555.890871][T20936] __arm64_sys_pwritev2+0xd4/0x108 [ 555.890880][T20936] invoke_syscall+0x98/0x244 [ 555.890890][T20936] el0_svc_common+0xe8/0x23c [ 555.890900][T20936] do_el0_svc+0x48/0x58 [ 555.890909][T20936] el0_svc+0x60/0x25c [ 555.890918][T20936] el0t_64_sync_handler+0x48/0x148 [ 555.890927][T20936] el0t_64_sync+0x198/0x19c [ 555.914271][T20937] FAULT_INJECTION: forcing a failure. [ 555.914271][T20937] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.916487][T20937] CPU: 1 UID: 0 PID: 20937 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 555.916509][T20937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 555.916518][T20937] Call trace: [ 555.916524][T20937] show_stack+0x2c/0x3c (C) [ 555.916544][T20937] __dump_stack+0x30/0x40 [ 555.916554][T20937] dump_stack_lvl+0xd8/0x12c [ 555.916564][T20937] dump_stack+0x1c/0x28 [ 555.916572][T20937] should_fail_ex+0x414/0x588 [ 555.916583][T20937] should_fail+0x14/0x24 executing program [ 555.916592][T20937] should_fail_usercopy+0x20/0x30 [ 555.916602][T20937] copy_folio_from_iter_atomic+0x38c/0x1450 [ 555.916613][T20937] generic_perform_write+0x4c0/0x7b8 [ 555.916623][T20937] ext4_buffered_write_iter+0xd0/0x310 [ 555.916634][T20937] ext4_file_write_iter+0x1d8/0x1390 [ 555.916644][T20937] do_iter_readv_writev+0x48c/0x6f8 [ 555.916654][T20937] vfs_writev+0x2c8/0x664 [ 555.916664][T20937] do_pwritev+0x120/0x234 [ 555.916673][T20937] __arm64_sys_pwritev2+0xd4/0x108 [ 555.916683][T20937] invoke_syscall+0x98/0x244 [ 555.916692][T20937] el0_svc_common+0xe8/0x23c [ 555.916701][T20937] do_el0_svc+0x48/0x58 [ 555.916710][T20937] el0_svc+0x60/0x25c [ 555.916720][T20937] el0t_64_sync_handler+0x48/0x148 [ 555.916729][T20937] el0t_64_sync+0x198/0x19c executing program [ 556.014629][ T1575] ieee802154 phy0 wpan0: encryption failed: -22 [ 556.014680][ T1575] ieee802154 phy1 wpan1: encryption failed: -22 [ 556.048608][T20944] FAULT_INJECTION: forcing a failure. [ 556.048608][T20944] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.085386][T20944] CPU: 0 UID: 0 PID: 20944 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.085409][T20944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.085416][T20944] Call trace: [ 556.085420][T20944] show_stack+0x2c/0x3c (C) [ 556.085445][T20944] __dump_stack+0x30/0x40 [ 556.085461][T20944] dump_stack_lvl+0xd8/0x12c [ 556.085472][T20944] dump_stack+0x1c/0x28 [ 556.085481][T20944] should_fail_ex+0x414/0x588 [ 556.085495][T20944] should_fail+0x14/0x24 [ 556.085504][T20944] should_fail_usercopy+0x20/0x30 [ 556.085514][T20944] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.085526][T20944] generic_perform_write+0x4c0/0x7b8 [ 556.085536][T20944] ext4_buffered_write_iter+0xd0/0x310 [ 556.085547][T20944] ext4_file_write_iter+0x1d8/0x1390 [ 556.085557][T20944] do_iter_readv_writev+0x48c/0x6f8 [ 556.085567][T20944] vfs_writev+0x2c8/0x664 [ 556.085576][T20944] do_pwritev+0x120/0x234 [ 556.085586][T20944] __arm64_sys_pwritev2+0xd4/0x108 [ 556.085595][T20944] invoke_syscall+0x98/0x244 [ 556.085605][T20944] el0_svc_common+0xe8/0x23c [ 556.085614][T20944] do_el0_svc+0x48/0x58 [ 556.085623][T20944] el0_svc+0x60/0x25c [ 556.085633][T20944] el0t_64_sync_handler+0x48/0x148 [ 556.085642][T20944] el0t_64_sync+0x198/0x19c executing program [ 556.143648][T20947] FAULT_INJECTION: forcing a failure. [ 556.143648][T20947] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.146071][T20947] CPU: 1 UID: 0 PID: 20947 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.146094][T20947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.146105][T20947] Call trace: [ 556.146111][T20947] show_stack+0x2c/0x3c (C) [ 556.146133][T20947] __dump_stack+0x30/0x40 [ 556.146146][T20947] dump_stack_lvl+0xd8/0x12c [ 556.146156][T20947] dump_stack+0x1c/0x28 [ 556.146165][T20947] should_fail_ex+0x414/0x588 [ 556.146176][T20947] should_fail+0x14/0x24 [ 556.146185][T20947] should_fail_usercopy+0x20/0x30 [ 556.146195][T20947] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.146208][T20947] generic_perform_write+0x4c0/0x7b8 [ 556.146219][T20947] ext4_buffered_write_iter+0xd0/0x310 [ 556.146231][T20947] ext4_file_write_iter+0x1d8/0x1390 [ 556.146241][T20947] do_iter_readv_writev+0x48c/0x6f8 [ 556.146252][T20947] vfs_writev+0x2c8/0x664 [ 556.146262][T20947] do_pwritev+0x120/0x234 [ 556.146271][T20947] __arm64_sys_pwritev2+0xd4/0x108 [ 556.146280][T20947] invoke_syscall+0x98/0x244 [ 556.146291][T20947] el0_svc_common+0xe8/0x23c [ 556.146300][T20947] do_el0_svc+0x48/0x58 [ 556.146309][T20947] el0_svc+0x60/0x25c [ 556.146319][T20947] el0t_64_sync_handler+0x48/0x148 [ 556.146328][T20947] el0t_64_sync+0x198/0x19c executing program [ 556.301645][T20952] FAULT_INJECTION: forcing a failure. [ 556.301645][T20952] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.309179][T20952] CPU: 1 UID: 0 PID: 20952 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.309200][T20952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.309207][T20952] Call trace: [ 556.309211][T20952] show_stack+0x2c/0x3c (C) [ 556.309235][T20952] __dump_stack+0x30/0x40 [ 556.309249][T20952] dump_stack_lvl+0xd8/0x12c [ 556.309259][T20952] dump_stack+0x1c/0x28 [ 556.309268][T20952] should_fail_ex+0x414/0x588 [ 556.309279][T20952] should_fail+0x14/0x24 [ 556.309288][T20952] should_fail_usercopy+0x20/0x30 [ 556.309298][T20952] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.309309][T20952] generic_perform_write+0x4c0/0x7b8 [ 556.309319][T20952] ext4_buffered_write_iter+0xd0/0x310 [ 556.309331][T20952] ext4_file_write_iter+0x1d8/0x1390 [ 556.309340][T20952] do_iter_readv_writev+0x48c/0x6f8 [ 556.309351][T20952] vfs_writev+0x2c8/0x664 [ 556.309360][T20952] do_pwritev+0x120/0x234 [ 556.309369][T20952] __arm64_sys_pwritev2+0xd4/0x108 [ 556.309378][T20952] invoke_syscall+0x98/0x244 [ 556.309388][T20952] el0_svc_common+0xe8/0x23c [ 556.309397][T20952] do_el0_svc+0x48/0x58 [ 556.309406][T20952] el0_svc+0x60/0x25c [ 556.309416][T20952] el0t_64_sync_handler+0x48/0x148 [ 556.309424][T20952] el0t_64_sync+0x198/0x19c [ 556.335872][T20943] FAULT_INJECTION: forcing a failure. [ 556.335872][T20943] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.335913][T20943] CPU: 0 UID: 0 PID: 20943 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.335926][T20943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.335934][T20943] Call trace: [ 556.335938][T20943] show_stack+0x2c/0x3c (C) [ 556.335952][T20943] __dump_stack+0x30/0x40 [ 556.335961][T20943] dump_stack_lvl+0xd8/0x12c [ 556.335971][T20943] dump_stack+0x1c/0x28 [ 556.335979][T20943] should_fail_ex+0x414/0x588 [ 556.335989][T20943] should_fail+0x14/0x24 [ 556.335998][T20943] should_fail_usercopy+0x20/0x30 [ 556.336007][T20943] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.336019][T20943] generic_perform_write+0x4c0/0x7b8 [ 556.336028][T20943] ext4_buffered_write_iter+0xd0/0x310 [ 556.336039][T20943] ext4_file_write_iter+0x1d8/0x1390 [ 556.336049][T20943] do_iter_readv_writev+0x48c/0x6f8 [ 556.336059][T20943] vfs_writev+0x2c8/0x664 [ 556.336068][T20943] do_pwritev+0x120/0x234 [ 556.336078][T20943] __arm64_sys_pwritev2+0xd4/0x108 [ 556.336087][T20943] invoke_syscall+0x98/0x244 [ 556.336096][T20943] el0_svc_common+0xe8/0x23c [ 556.336105][T20943] do_el0_svc+0x48/0x58 [ 556.336114][T20943] el0_svc+0x60/0x25c [ 556.336123][T20943] el0t_64_sync_handler+0x48/0x148 [ 556.336132][T20943] el0t_64_sync+0x198/0x19c [ 556.343067][T20951] FAULT_INJECTION: forcing a failure. [ 556.343067][T20951] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.343082][T20951] CPU: 0 UID: 0 PID: 20951 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.343092][T20951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.343096][T20951] Call trace: [ 556.343099][T20951] show_stack+0x2c/0x3c (C) [ 556.343115][T20951] __dump_stack+0x30/0x40 [ 556.343125][T20951] dump_stack_lvl+0xd8/0x12c [ 556.343136][T20951] dump_stack+0x1c/0x28 [ 556.343145][T20951] should_fail_ex+0x414/0x588 [ 556.343156][T20951] should_fail+0x14/0x24 [ 556.343165][T20951] should_fail_usercopy+0x20/0x30 [ 556.343175][T20951] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.343187][T20951] generic_perform_write+0x4c0/0x7b8 [ 556.343196][T20951] ext4_buffered_write_iter+0xd0/0x310 [ 556.343206][T20951] ext4_file_write_iter+0x1d8/0x1390 [ 556.343216][T20951] do_iter_readv_writev+0x48c/0x6f8 [ 556.343226][T20951] vfs_writev+0x2c8/0x664 [ 556.343235][T20951] do_pwritev+0x120/0x234 [ 556.343245][T20951] __arm64_sys_pwritev2+0xd4/0x108 [ 556.343254][T20951] invoke_syscall+0x98/0x244 [ 556.343264][T20951] el0_svc_common+0xe8/0x23c [ 556.343273][T20951] do_el0_svc+0x48/0x58 [ 556.343282][T20951] el0_svc+0x60/0x25c [ 556.343290][T20951] el0t_64_sync_handler+0x48/0x148 [ 556.343299][T20951] el0t_64_sync+0x198/0x19c executing program executing program [ 556.404782][T20942] FAULT_INJECTION: forcing a failure. [ 556.404782][T20942] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.404825][T20942] CPU: 0 UID: 0 PID: 20942 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.404839][T20942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.404845][T20942] Call trace: [ 556.404849][T20942] show_stack+0x2c/0x3c (C) [ 556.404866][T20942] __dump_stack+0x30/0x40 [ 556.404875][T20942] dump_stack_lvl+0xd8/0x12c [ 556.404884][T20942] dump_stack+0x1c/0x28 [ 556.404893][T20942] should_fail_ex+0x414/0x588 [ 556.404904][T20942] should_fail+0x14/0x24 [ 556.404913][T20942] should_fail_usercopy+0x20/0x30 [ 556.404922][T20942] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.404934][T20942] generic_perform_write+0x4c0/0x7b8 [ 556.404943][T20942] ext4_buffered_write_iter+0xd0/0x310 [ 556.404954][T20942] ext4_file_write_iter+0x1d8/0x1390 [ 556.404964][T20942] do_iter_readv_writev+0x48c/0x6f8 [ 556.404974][T20942] vfs_writev+0x2c8/0x664 [ 556.404984][T20942] do_pwritev+0x120/0x234 [ 556.404993][T20942] __arm64_sys_pwritev2+0xd4/0x108 [ 556.405002][T20942] invoke_syscall+0x98/0x244 [ 556.405012][T20942] el0_svc_common+0xe8/0x23c [ 556.405021][T20942] do_el0_svc+0x48/0x58 executing program [ 556.405030][T20942] el0_svc+0x60/0x25c [ 556.405039][T20942] el0t_64_sync_handler+0x48/0x148 [ 556.405048][T20942] el0t_64_sync+0x198/0x19c executing program [ 556.518624][T20949] FAULT_INJECTION: forcing a failure. [ 556.518624][T20949] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.518666][T20949] CPU: 0 UID: 0 PID: 20949 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.518680][T20949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.518687][T20949] Call trace: [ 556.518691][T20949] show_stack+0x2c/0x3c (C) [ 556.518710][T20949] __dump_stack+0x30/0x40 [ 556.518723][T20949] dump_stack_lvl+0xd8/0x12c [ 556.518733][T20949] dump_stack+0x1c/0x28 [ 556.518741][T20949] should_fail_ex+0x414/0x588 [ 556.518757][T20949] should_fail+0x14/0x24 [ 556.518766][T20949] should_fail_usercopy+0x20/0x30 [ 556.518778][T20949] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.518792][T20949] generic_perform_write+0x4c0/0x7b8 [ 556.518803][T20949] ext4_buffered_write_iter+0xd0/0x310 [ 556.518814][T20949] ext4_file_write_iter+0x1d8/0x1390 [ 556.518824][T20949] do_iter_readv_writev+0x48c/0x6f8 [ 556.518835][T20949] vfs_writev+0x2c8/0x664 [ 556.518844][T20949] do_pwritev+0x120/0x234 [ 556.518854][T20949] __arm64_sys_pwritev2+0xd4/0x108 [ 556.518863][T20949] invoke_syscall+0x98/0x244 [ 556.518873][T20949] el0_svc_common+0xe8/0x23c [ 556.518882][T20949] do_el0_svc+0x48/0x58 [ 556.518891][T20949] el0_svc+0x60/0x25c [ 556.518901][T20949] el0t_64_sync_handler+0x48/0x148 [ 556.518909][T20949] el0t_64_sync+0x198/0x19c executing program [ 556.615297][T20960] FAULT_INJECTION: forcing a failure. [ 556.615297][T20960] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.617479][T20960] CPU: 1 UID: 0 PID: 20960 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.617500][T20960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.617507][T20960] Call trace: [ 556.617512][T20960] show_stack+0x2c/0x3c (C) [ 556.617531][T20960] __dump_stack+0x30/0x40 [ 556.617543][T20960] dump_stack_lvl+0xd8/0x12c [ 556.617552][T20960] dump_stack+0x1c/0x28 [ 556.617561][T20960] should_fail_ex+0x414/0x588 [ 556.617572][T20960] should_fail+0x14/0x24 [ 556.617581][T20960] should_fail_usercopy+0x20/0x30 [ 556.617591][T20960] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.617602][T20960] generic_perform_write+0x4c0/0x7b8 [ 556.617612][T20960] ext4_buffered_write_iter+0xd0/0x310 [ 556.617623][T20960] ext4_file_write_iter+0x1d8/0x1390 [ 556.617633][T20960] do_iter_readv_writev+0x48c/0x6f8 [ 556.617643][T20960] vfs_writev+0x2c8/0x664 [ 556.617653][T20960] do_pwritev+0x120/0x234 [ 556.617662][T20960] __arm64_sys_pwritev2+0xd4/0x108 [ 556.617672][T20960] invoke_syscall+0x98/0x244 [ 556.617681][T20960] el0_svc_common+0xe8/0x23c [ 556.617690][T20960] do_el0_svc+0x48/0x58 [ 556.617700][T20960] el0_svc+0x60/0x25c [ 556.617709][T20960] el0t_64_sync_handler+0x48/0x148 [ 556.617718][T20960] el0t_64_sync+0x198/0x19c executing program [ 556.783957][T20959] FAULT_INJECTION: forcing a failure. [ 556.783957][T20959] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.783995][T20959] CPU: 0 UID: 0 PID: 20959 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.784007][T20959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.784013][T20959] Call trace: [ 556.784016][T20959] show_stack+0x2c/0x3c (C) [ 556.784035][T20959] __dump_stack+0x30/0x40 [ 556.784045][T20959] dump_stack_lvl+0xd8/0x12c [ 556.784054][T20959] dump_stack+0x1c/0x28 [ 556.784063][T20959] should_fail_ex+0x414/0x588 [ 556.784074][T20959] should_fail+0x14/0x24 [ 556.784083][T20959] should_fail_usercopy+0x20/0x30 [ 556.784093][T20959] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.784105][T20959] generic_perform_write+0x4c0/0x7b8 [ 556.784115][T20959] ext4_buffered_write_iter+0xd0/0x310 [ 556.784126][T20959] ext4_file_write_iter+0x1d8/0x1390 [ 556.784136][T20959] do_iter_readv_writev+0x48c/0x6f8 [ 556.784147][T20959] vfs_writev+0x2c8/0x664 [ 556.784156][T20959] do_pwritev+0x120/0x234 [ 556.784166][T20959] __arm64_sys_pwritev2+0xd4/0x108 [ 556.784175][T20959] invoke_syscall+0x98/0x244 [ 556.784184][T20959] el0_svc_common+0xe8/0x23c [ 556.784194][T20959] do_el0_svc+0x48/0x58 [ 556.784203][T20959] el0_svc+0x60/0x25c [ 556.784213][T20959] el0t_64_sync_handler+0x48/0x148 [ 556.784221][T20959] el0t_64_sync+0x198/0x19c [ 556.810772][T20957] FAULT_INJECTION: forcing a failure. [ 556.810772][T20957] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.810812][T20957] CPU: 0 UID: 0 PID: 20957 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.810832][T20957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.810838][T20957] Call trace: [ 556.810841][T20957] show_stack+0x2c/0x3c (C) [ 556.810856][T20957] __dump_stack+0x30/0x40 [ 556.810866][T20957] dump_stack_lvl+0xd8/0x12c [ 556.810875][T20957] dump_stack+0x1c/0x28 [ 556.810883][T20957] should_fail_ex+0x414/0x588 [ 556.810893][T20957] should_fail+0x14/0x24 [ 556.810902][T20957] should_fail_usercopy+0x20/0x30 [ 556.810912][T20957] copy_folio_from_iter_atomic+0x38c/0x1450 executing program [ 556.810923][T20957] generic_perform_write+0x4c0/0x7b8 [ 556.810933][T20957] ext4_buffered_write_iter+0xd0/0x310 [ 556.810944][T20957] ext4_file_write_iter+0x1d8/0x1390 [ 556.810954][T20957] do_iter_readv_writev+0x48c/0x6f8 [ 556.810964][T20957] vfs_writev+0x2c8/0x664 [ 556.810973][T20957] do_pwritev+0x120/0x234 [ 556.810982][T20957] __arm64_sys_pwritev2+0xd4/0x108 [ 556.810992][T20957] invoke_syscall+0x98/0x244 [ 556.811001][T20957] el0_svc_common+0xe8/0x23c [ 556.811010][T20957] do_el0_svc+0x48/0x58 [ 556.811019][T20957] el0_svc+0x60/0x25c [ 556.811029][T20957] el0t_64_sync_handler+0x48/0x148 [ 556.811038][T20957] el0t_64_sync+0x198/0x19c [ 556.874367][T20958] FAULT_INJECTION: forcing a failure. [ 556.874367][T20958] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.874406][T20958] CPU: 0 UID: 0 PID: 20958 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.874420][T20958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.874428][T20958] Call trace: [ 556.874433][T20958] show_stack+0x2c/0x3c (C) [ 556.874454][T20958] __dump_stack+0x30/0x40 [ 556.874467][T20958] dump_stack_lvl+0xd8/0x12c [ 556.874476][T20958] dump_stack+0x1c/0x28 [ 556.874485][T20958] should_fail_ex+0x414/0x588 [ 556.874496][T20958] should_fail+0x14/0x24 [ 556.874505][T20958] should_fail_usercopy+0x20/0x30 [ 556.874516][T20958] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.874528][T20958] generic_perform_write+0x4c0/0x7b8 [ 556.874540][T20958] ext4_buffered_write_iter+0xd0/0x310 [ 556.874552][T20958] ext4_file_write_iter+0x1d8/0x1390 [ 556.874562][T20958] do_iter_readv_writev+0x48c/0x6f8 [ 556.874573][T20958] vfs_writev+0x2c8/0x664 [ 556.874583][T20958] do_pwritev+0x120/0x234 [ 556.874593][T20958] __arm64_sys_pwritev2+0xd4/0x108 [ 556.874602][T20958] invoke_syscall+0x98/0x244 [ 556.874612][T20958] el0_svc_common+0xe8/0x23c [ 556.874621][T20958] do_el0_svc+0x48/0x58 [ 556.874631][T20958] el0_svc+0x60/0x25c [ 556.874640][T20958] el0t_64_sync_handler+0x48/0x148 [ 556.874649][T20958] el0t_64_sync+0x198/0x19c executing program executing program [ 556.944596][T20964] FAULT_INJECTION: forcing a failure. [ 556.944596][T20964] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.944635][T20964] CPU: 0 UID: 0 PID: 20964 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.944648][T20964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.944656][T20964] Call trace: [ 556.944659][T20964] show_stack+0x2c/0x3c (C) [ 556.944679][T20964] __dump_stack+0x30/0x40 [ 556.944689][T20964] dump_stack_lvl+0xd8/0x12c [ 556.944698][T20964] dump_stack+0x1c/0x28 [ 556.944707][T20964] should_fail_ex+0x414/0x588 [ 556.944718][T20964] should_fail+0x14/0x24 [ 556.944727][T20964] should_fail_usercopy+0x20/0x30 [ 556.944736][T20964] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.944754][T20964] generic_perform_write+0x4c0/0x7b8 [ 556.944764][T20964] ext4_buffered_write_iter+0xd0/0x310 [ 556.944775][T20964] ext4_file_write_iter+0x1d8/0x1390 [ 556.944785][T20964] do_iter_readv_writev+0x48c/0x6f8 [ 556.944796][T20964] vfs_writev+0x2c8/0x664 [ 556.944805][T20964] do_pwritev+0x120/0x234 [ 556.944815][T20964] __arm64_sys_pwritev2+0xd4/0x108 [ 556.944824][T20964] invoke_syscall+0x98/0x244 [ 556.944834][T20964] el0_svc_common+0xe8/0x23c [ 556.944843][T20964] do_el0_svc+0x48/0x58 [ 556.944852][T20964] el0_svc+0x60/0x25c [ 556.944862][T20964] el0t_64_sync_handler+0x48/0x148 [ 556.944870][T20964] el0t_64_sync+0x198/0x19c [ 556.968581][T20962] FAULT_INJECTION: forcing a failure. executing program [ 556.968581][T20962] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.971049][T20962] CPU: 1 UID: 0 PID: 20962 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 556.971065][T20962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 556.971074][T20962] Call trace: [ 556.971078][T20962] show_stack+0x2c/0x3c (C) [ 556.971098][T20962] __dump_stack+0x30/0x40 [ 556.971108][T20962] dump_stack_lvl+0xd8/0x12c [ 556.971117][T20962] dump_stack+0x1c/0x28 [ 556.971126][T20962] should_fail_ex+0x414/0x588 [ 556.971136][T20962] should_fail+0x14/0x24 [ 556.971145][T20962] should_fail_usercopy+0x20/0x30 [ 556.971155][T20962] copy_folio_from_iter_atomic+0x38c/0x1450 [ 556.971166][T20962] generic_perform_write+0x4c0/0x7b8 [ 556.971175][T20962] ext4_buffered_write_iter+0xd0/0x310 [ 556.971186][T20962] ext4_file_write_iter+0x1d8/0x1390 [ 556.971196][T20962] do_iter_readv_writev+0x48c/0x6f8 [ 556.971206][T20962] vfs_writev+0x2c8/0x664 [ 556.971216][T20962] do_pwritev+0x120/0x234 [ 556.971225][T20962] __arm64_sys_pwritev2+0xd4/0x108 [ 556.971234][T20962] invoke_syscall+0x98/0x244 [ 556.971244][T20962] el0_svc_common+0xe8/0x23c [ 556.971253][T20962] do_el0_svc+0x48/0x58 [ 556.971262][T20962] el0_svc+0x60/0x25c [ 556.971272][T20962] el0t_64_sync_handler+0x48/0x148 [ 556.971280][T20962] el0t_64_sync+0x198/0x19c executing program [ 557.170207][T20973] FAULT_INJECTION: forcing a failure. [ 557.170207][T20973] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.180514][T20973] CPU: 1 UID: 0 PID: 20973 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.180531][T20973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.180537][T20973] Call trace: [ 557.180540][T20973] show_stack+0x2c/0x3c (C) [ 557.180564][T20973] __dump_stack+0x30/0x40 [ 557.180578][T20973] dump_stack_lvl+0xd8/0x12c [ 557.180588][T20973] dump_stack+0x1c/0x28 [ 557.180597][T20973] should_fail_ex+0x414/0x588 [ 557.180608][T20973] should_fail+0x14/0x24 [ 557.180618][T20973] should_fail_usercopy+0x20/0x30 [ 557.180627][T20973] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.180639][T20973] generic_perform_write+0x4c0/0x7b8 [ 557.180649][T20973] ext4_buffered_write_iter+0xd0/0x310 [ 557.180660][T20973] ext4_file_write_iter+0x1d8/0x1390 [ 557.180670][T20973] do_iter_readv_writev+0x48c/0x6f8 [ 557.180680][T20973] vfs_writev+0x2c8/0x664 [ 557.180690][T20973] do_pwritev+0x120/0x234 [ 557.180699][T20973] __arm64_sys_pwritev2+0xd4/0x108 [ 557.180709][T20973] invoke_syscall+0x98/0x244 [ 557.180718][T20973] el0_svc_common+0xe8/0x23c [ 557.180728][T20973] do_el0_svc+0x48/0x58 [ 557.180737][T20973] el0_svc+0x60/0x25c [ 557.180746][T20973] el0t_64_sync_handler+0x48/0x148 [ 557.180755][T20973] el0t_64_sync+0x198/0x19c executing program [ 557.343601][T20978] FAULT_INJECTION: forcing a failure. [ 557.343601][T20978] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.346044][T20978] CPU: 1 UID: 0 PID: 20978 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.346062][T20978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.346069][T20978] Call trace: [ 557.346073][T20978] show_stack+0x2c/0x3c (C) [ 557.346094][T20978] __dump_stack+0x30/0x40 [ 557.346105][T20978] dump_stack_lvl+0xd8/0x12c [ 557.346115][T20978] dump_stack+0x1c/0x28 [ 557.346124][T20978] should_fail_ex+0x414/0x588 [ 557.346135][T20978] should_fail+0x14/0x24 [ 557.346144][T20978] should_fail_usercopy+0x20/0x30 [ 557.346153][T20978] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.346165][T20978] generic_perform_write+0x4c0/0x7b8 [ 557.346175][T20978] ext4_buffered_write_iter+0xd0/0x310 [ 557.346186][T20978] ext4_file_write_iter+0x1d8/0x1390 [ 557.346196][T20978] do_iter_readv_writev+0x48c/0x6f8 [ 557.346206][T20978] vfs_writev+0x2c8/0x664 [ 557.346216][T20978] do_pwritev+0x120/0x234 [ 557.346225][T20978] __arm64_sys_pwritev2+0xd4/0x108 [ 557.346235][T20978] invoke_syscall+0x98/0x244 [ 557.346244][T20978] el0_svc_common+0xe8/0x23c [ 557.346253][T20978] do_el0_svc+0x48/0x58 [ 557.346263][T20978] el0_svc+0x60/0x25c [ 557.346272][T20978] el0t_64_sync_handler+0x48/0x148 [ 557.346281][T20978] el0t_64_sync+0x198/0x19c [ 557.372439][T20970] FAULT_INJECTION: forcing a failure. [ 557.372439][T20970] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.372476][T20970] CPU: 0 UID: 0 PID: 20970 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.372489][T20970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.372497][T20970] Call trace: [ 557.372501][T20970] show_stack+0x2c/0x3c (C) [ 557.372516][T20970] __dump_stack+0x30/0x40 [ 557.372526][T20970] dump_stack_lvl+0xd8/0x12c [ 557.372535][T20970] dump_stack+0x1c/0x28 [ 557.372544][T20970] should_fail_ex+0x414/0x588 [ 557.372554][T20970] should_fail+0x14/0x24 [ 557.372563][T20970] should_fail_usercopy+0x20/0x30 [ 557.372572][T20970] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.372584][T20970] generic_perform_write+0x4c0/0x7b8 [ 557.372593][T20970] ext4_buffered_write_iter+0xd0/0x310 [ 557.372604][T20970] ext4_file_write_iter+0x1d8/0x1390 [ 557.372614][T20970] do_iter_readv_writev+0x48c/0x6f8 [ 557.372623][T20970] vfs_writev+0x2c8/0x664 [ 557.372633][T20970] do_pwritev+0x120/0x234 [ 557.372642][T20970] __arm64_sys_pwritev2+0xd4/0x108 [ 557.372651][T20970] invoke_syscall+0x98/0x244 [ 557.372661][T20970] el0_svc_common+0xe8/0x23c [ 557.372670][T20970] do_el0_svc+0x48/0x58 [ 557.372679][T20970] el0_svc+0x60/0x25c [ 557.372688][T20970] el0t_64_sync_handler+0x48/0x148 executing program [ 557.372696][T20970] el0t_64_sync+0x198/0x19c executing program [ 557.412172][T20969] FAULT_INJECTION: forcing a failure. [ 557.412172][T20969] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.412211][T20969] CPU: 0 UID: 0 PID: 20969 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.412223][T20969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.412228][T20969] Call trace: [ 557.412231][T20969] show_stack+0x2c/0x3c (C) [ 557.412247][T20969] __dump_stack+0x30/0x40 [ 557.412257][T20969] dump_stack_lvl+0xd8/0x12c [ 557.412265][T20969] dump_stack+0x1c/0x28 [ 557.412274][T20969] should_fail_ex+0x414/0x588 [ 557.412285][T20969] should_fail+0x14/0x24 [ 557.412294][T20969] should_fail_usercopy+0x20/0x30 [ 557.412303][T20969] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.412315][T20969] generic_perform_write+0x4c0/0x7b8 [ 557.412324][T20969] ext4_buffered_write_iter+0xd0/0x310 [ 557.412335][T20969] ext4_file_write_iter+0x1d8/0x1390 [ 557.412345][T20969] do_iter_readv_writev+0x48c/0x6f8 [ 557.412355][T20969] vfs_writev+0x2c8/0x664 [ 557.412364][T20969] do_pwritev+0x120/0x234 [ 557.412374][T20969] __arm64_sys_pwritev2+0xd4/0x108 [ 557.412383][T20969] invoke_syscall+0x98/0x244 [ 557.412393][T20969] el0_svc_common+0xe8/0x23c [ 557.412401][T20969] do_el0_svc+0x48/0x58 [ 557.412410][T20969] el0_svc+0x60/0x25c [ 557.412420][T20969] el0t_64_sync_handler+0x48/0x148 [ 557.412428][T20969] el0t_64_sync+0x198/0x19c [ 557.422207][T20967] FAULT_INJECTION: forcing a failure. [ 557.422207][T20967] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.422221][T20967] CPU: 0 UID: 0 PID: 20967 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.422231][T20967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.422235][T20967] Call trace: [ 557.422238][T20967] show_stack+0x2c/0x3c (C) [ 557.422250][T20967] __dump_stack+0x30/0x40 [ 557.422260][T20967] dump_stack_lvl+0xd8/0x12c [ 557.422269][T20967] dump_stack+0x1c/0x28 [ 557.422277][T20967] should_fail_ex+0x414/0x588 [ 557.422287][T20967] should_fail+0x14/0x24 [ 557.422296][T20967] should_fail_usercopy+0x20/0x30 [ 557.422305][T20967] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.422316][T20967] generic_perform_write+0x4c0/0x7b8 [ 557.422325][T20967] ext4_buffered_write_iter+0xd0/0x310 [ 557.422336][T20967] ext4_file_write_iter+0x1d8/0x1390 [ 557.422346][T20967] do_iter_readv_writev+0x48c/0x6f8 [ 557.422355][T20967] vfs_writev+0x2c8/0x664 [ 557.422365][T20967] do_pwritev+0x120/0x234 [ 557.422374][T20967] __arm64_sys_pwritev2+0xd4/0x108 [ 557.422383][T20967] invoke_syscall+0x98/0x244 [ 557.422392][T20967] el0_svc_common+0xe8/0x23c [ 557.422401][T20967] do_el0_svc+0x48/0x58 [ 557.422410][T20967] el0_svc+0x60/0x25c [ 557.422419][T20967] el0t_64_sync_handler+0x48/0x148 executing program [ 557.422427][T20967] el0t_64_sync+0x198/0x19c executing program [ 557.563599][T20982] FAULT_INJECTION: forcing a failure. [ 557.563599][T20982] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.566044][T20982] CPU: 1 UID: 0 PID: 20982 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.566062][T20982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.566070][T20982] Call trace: [ 557.566074][T20982] show_stack+0x2c/0x3c (C) [ 557.566095][T20982] __dump_stack+0x30/0x40 [ 557.566110][T20982] dump_stack_lvl+0xd8/0x12c [ 557.566119][T20982] dump_stack+0x1c/0x28 [ 557.566128][T20982] should_fail_ex+0x414/0x588 [ 557.566139][T20982] should_fail+0x14/0x24 [ 557.566148][T20982] should_fail_usercopy+0x20/0x30 [ 557.566158][T20982] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.566169][T20982] generic_perform_write+0x4c0/0x7b8 [ 557.566179][T20982] ext4_buffered_write_iter+0xd0/0x310 [ 557.566191][T20982] ext4_file_write_iter+0x1d8/0x1390 [ 557.566201][T20982] do_iter_readv_writev+0x48c/0x6f8 [ 557.566211][T20982] vfs_writev+0x2c8/0x664 [ 557.566220][T20982] do_pwritev+0x120/0x234 [ 557.566229][T20982] __arm64_sys_pwritev2+0xd4/0x108 [ 557.566239][T20982] invoke_syscall+0x98/0x244 [ 557.566249][T20982] el0_svc_common+0xe8/0x23c [ 557.566258][T20982] do_el0_svc+0x48/0x58 [ 557.566267][T20982] el0_svc+0x60/0x25c [ 557.566277][T20982] el0t_64_sync_handler+0x48/0x148 [ 557.566285][T20982] el0t_64_sync+0x198/0x19c executing program [ 557.623584][T20972] FAULT_INJECTION: forcing a failure. [ 557.623584][T20972] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.625845][T20972] CPU: 1 UID: 0 PID: 20972 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.625867][T20972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.625873][T20972] Call trace: [ 557.625877][T20972] show_stack+0x2c/0x3c (C) [ 557.625894][T20972] __dump_stack+0x30/0x40 [ 557.625904][T20972] dump_stack_lvl+0xd8/0x12c [ 557.625913][T20972] dump_stack+0x1c/0x28 [ 557.625921][T20972] should_fail_ex+0x414/0x588 [ 557.625935][T20972] should_fail+0x14/0x24 [ 557.625944][T20972] should_fail_usercopy+0x20/0x30 [ 557.625954][T20972] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.625966][T20972] generic_perform_write+0x4c0/0x7b8 [ 557.625975][T20972] ext4_buffered_write_iter+0xd0/0x310 [ 557.625986][T20972] ext4_file_write_iter+0x1d8/0x1390 [ 557.625996][T20972] do_iter_readv_writev+0x48c/0x6f8 [ 557.626006][T20972] vfs_writev+0x2c8/0x664 [ 557.626015][T20972] do_pwritev+0x120/0x234 [ 557.626024][T20972] __arm64_sys_pwritev2+0xd4/0x108 [ 557.626033][T20972] invoke_syscall+0x98/0x244 [ 557.626043][T20972] el0_svc_common+0xe8/0x23c [ 557.626052][T20972] do_el0_svc+0x48/0x58 [ 557.626061][T20972] el0_svc+0x60/0x25c [ 557.626070][T20972] el0t_64_sync_handler+0x48/0x148 [ 557.626078][T20972] el0t_64_sync+0x198/0x19c executing program [ 557.743941][T20983] FAULT_INJECTION: forcing a failure. [ 557.743941][T20983] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.743980][T20983] CPU: 0 UID: 0 PID: 20983 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.743992][T20983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.744000][T20983] Call trace: [ 557.744004][T20983] show_stack+0x2c/0x3c (C) [ 557.744021][T20983] __dump_stack+0x30/0x40 [ 557.744032][T20983] dump_stack_lvl+0xd8/0x12c [ 557.744041][T20983] dump_stack+0x1c/0x28 [ 557.744050][T20983] should_fail_ex+0x414/0x588 [ 557.744061][T20983] should_fail+0x14/0x24 [ 557.744070][T20983] should_fail_usercopy+0x20/0x30 [ 557.744079][T20983] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.744091][T20983] generic_perform_write+0x4c0/0x7b8 [ 557.744100][T20983] ext4_buffered_write_iter+0xd0/0x310 [ 557.744111][T20983] ext4_file_write_iter+0x1d8/0x1390 [ 557.744121][T20983] do_iter_readv_writev+0x48c/0x6f8 [ 557.744131][T20983] vfs_writev+0x2c8/0x664 [ 557.744141][T20983] do_pwritev+0x120/0x234 [ 557.744150][T20983] __arm64_sys_pwritev2+0xd4/0x108 [ 557.744159][T20983] invoke_syscall+0x98/0x244 [ 557.744169][T20983] el0_svc_common+0xe8/0x23c [ 557.744178][T20983] do_el0_svc+0x48/0x58 [ 557.744187][T20983] el0_svc+0x60/0x25c [ 557.744196][T20983] el0t_64_sync_handler+0x48/0x148 [ 557.744205][T20983] el0t_64_sync+0x198/0x19c executing program [ 557.810264][T20981] FAULT_INJECTION: forcing a failure. [ 557.810264][T20981] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.812506][T20981] CPU: 1 UID: 0 PID: 20981 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.812522][T20981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.812529][T20981] Call trace: [ 557.812533][T20981] show_stack+0x2c/0x3c (C) [ 557.812553][T20981] __dump_stack+0x30/0x40 [ 557.812563][T20981] dump_stack_lvl+0xd8/0x12c [ 557.812572][T20981] dump_stack+0x1c/0x28 [ 557.812581][T20981] should_fail_ex+0x414/0x588 [ 557.812592][T20981] should_fail+0x14/0x24 [ 557.812601][T20981] should_fail_usercopy+0x20/0x30 [ 557.812611][T20981] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.812622][T20981] generic_perform_write+0x4c0/0x7b8 [ 557.812632][T20981] ext4_buffered_write_iter+0xd0/0x310 [ 557.812643][T20981] ext4_file_write_iter+0x1d8/0x1390 [ 557.812653][T20981] do_iter_readv_writev+0x48c/0x6f8 [ 557.812663][T20981] vfs_writev+0x2c8/0x664 [ 557.812673][T20981] do_pwritev+0x120/0x234 [ 557.812682][T20981] __arm64_sys_pwritev2+0xd4/0x108 [ 557.812692][T20981] invoke_syscall+0x98/0x244 [ 557.812701][T20981] el0_svc_common+0xe8/0x23c [ 557.812710][T20981] do_el0_svc+0x48/0x58 [ 557.812719][T20981] el0_svc+0x60/0x25c [ 557.812729][T20981] el0t_64_sync_handler+0x48/0x148 [ 557.812738][T20981] el0t_64_sync+0x198/0x19c executing program [ 557.952622][T20986] set_capacity_and_notify: 50 callbacks suppressed [ 557.955524][T20980] loop4: detected capacity change from 0 to 32768 [ 557.974499][T20980] FAULT_INJECTION: forcing a failure. [ 557.974499][T20980] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.974534][T20980] CPU: 0 UID: 0 PID: 20980 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 557.974546][T20980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 557.974554][T20980] Call trace: [ 557.974558][T20980] show_stack+0x2c/0x3c (C) [ 557.974577][T20980] __dump_stack+0x30/0x40 [ 557.974588][T20980] dump_stack_lvl+0xd8/0x12c [ 557.974597][T20980] dump_stack+0x1c/0x28 [ 557.974606][T20980] should_fail_ex+0x414/0x588 [ 557.974617][T20980] should_fail+0x14/0x24 [ 557.974626][T20980] should_fail_usercopy+0x20/0x30 [ 557.974636][T20980] copy_folio_from_iter_atomic+0x38c/0x1450 [ 557.974647][T20980] generic_perform_write+0x4c0/0x7b8 [ 557.974657][T20980] ext4_buffered_write_iter+0xd0/0x310 [ 557.974668][T20980] ext4_file_write_iter+0x1d8/0x1390 [ 557.974678][T20980] do_iter_readv_writev+0x48c/0x6f8 [ 557.974688][T20980] vfs_writev+0x2c8/0x664 [ 557.974697][T20980] do_pwritev+0x120/0x234 [ 557.974706][T20980] __arm64_sys_pwritev2+0xd4/0x108 [ 557.974716][T20980] invoke_syscall+0x98/0x244 executing program [ 557.974726][T20980] el0_svc_common+0xe8/0x23c [ 557.974735][T20980] do_el0_svc+0x48/0x58 [ 557.974749][T20980] el0_svc+0x60/0x25c [ 557.974759][T20980] el0t_64_sync_handler+0x48/0x148 [ 557.974768][T20980] el0t_64_sync+0x198/0x19c [ 557.999442][T20991] FAULT_INJECTION: forcing a failure. [ 557.999442][T20991] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.001658][T20991] CPU: 1 UID: 0 PID: 20991 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.001671][T20991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.001677][T20991] Call trace: [ 558.001680][T20991] show_stack+0x2c/0x3c (C) [ 558.001696][T20991] __dump_stack+0x30/0x40 [ 558.001706][T20991] dump_stack_lvl+0xd8/0x12c [ 558.001715][T20991] dump_stack+0x1c/0x28 [ 558.001724][T20991] should_fail_ex+0x414/0x588 [ 558.001734][T20991] should_fail+0x14/0x24 [ 558.001743][T20991] should_fail_usercopy+0x20/0x30 [ 558.001753][T20991] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.001764][T20991] generic_perform_write+0x4c0/0x7b8 [ 558.001774][T20991] ext4_buffered_write_iter+0xd0/0x310 [ 558.001784][T20991] ext4_file_write_iter+0x1d8/0x1390 [ 558.001794][T20991] do_iter_readv_writev+0x48c/0x6f8 [ 558.001804][T20991] vfs_writev+0x2c8/0x664 [ 558.001814][T20991] do_pwritev+0x120/0x234 [ 558.001823][T20991] __arm64_sys_pwritev2+0xd4/0x108 [ 558.001833][T20991] invoke_syscall+0x98/0x244 [ 558.001842][T20991] el0_svc_common+0xe8/0x23c [ 558.001851][T20991] do_el0_svc+0x48/0x58 [ 558.001860][T20991] el0_svc+0x60/0x25c [ 558.001869][T20991] el0t_64_sync_handler+0x48/0x148 [ 558.001878][T20991] el0t_64_sync+0x198/0x19c [ 558.011939][T20986] loop3: detected capacity change from 0 to 32768 executing program [ 558.061151][T20987] FAULT_INJECTION: forcing a failure. [ 558.061151][T20987] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.061189][T20987] CPU: 0 UID: 0 PID: 20987 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.061202][T20987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.061209][T20987] Call trace: [ 558.061212][T20987] show_stack+0x2c/0x3c (C) [ 558.061227][T20987] __dump_stack+0x30/0x40 [ 558.061237][T20987] dump_stack_lvl+0xd8/0x12c [ 558.061246][T20987] dump_stack+0x1c/0x28 [ 558.061254][T20987] should_fail_ex+0x414/0x588 [ 558.061264][T20987] should_fail+0x14/0x24 [ 558.061273][T20987] should_fail_usercopy+0x20/0x30 [ 558.061283][T20987] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.061294][T20987] generic_perform_write+0x4c0/0x7b8 [ 558.061303][T20987] ext4_buffered_write_iter+0xd0/0x310 [ 558.061314][T20987] ext4_file_write_iter+0x1d8/0x1390 [ 558.061323][T20987] do_iter_readv_writev+0x48c/0x6f8 [ 558.061333][T20987] vfs_writev+0x2c8/0x664 [ 558.061343][T20987] do_pwritev+0x120/0x234 [ 558.061352][T20987] __arm64_sys_pwritev2+0xd4/0x108 [ 558.061361][T20987] invoke_syscall+0x98/0x244 [ 558.061371][T20987] el0_svc_common+0xe8/0x23c [ 558.061380][T20987] do_el0_svc+0x48/0x58 [ 558.061389][T20987] el0_svc+0x60/0x25c [ 558.061398][T20987] el0t_64_sync_handler+0x48/0x148 [ 558.061406][T20987] el0t_64_sync+0x198/0x19c [ 558.128854][T20989] loop0: detected capacity change from 0 to 32768 executing program [ 558.161085][T20989] FAULT_INJECTION: forcing a failure. [ 558.161085][T20989] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.161120][T20989] CPU: 0 UID: 0 PID: 20989 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.161133][T20989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.161141][T20989] Call trace: [ 558.161145][T20989] show_stack+0x2c/0x3c (C) [ 558.161166][T20989] __dump_stack+0x30/0x40 [ 558.161178][T20989] dump_stack_lvl+0xd8/0x12c [ 558.161187][T20989] dump_stack+0x1c/0x28 [ 558.161196][T20989] should_fail_ex+0x414/0x588 [ 558.161207][T20989] should_fail+0x14/0x24 [ 558.161216][T20989] should_fail_usercopy+0x20/0x30 [ 558.161226][T20989] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.161238][T20989] generic_perform_write+0x4c0/0x7b8 [ 558.161247][T20989] ext4_buffered_write_iter+0xd0/0x310 [ 558.161261][T20989] ext4_file_write_iter+0x1d8/0x1390 [ 558.161271][T20989] do_iter_readv_writev+0x48c/0x6f8 [ 558.161282][T20989] vfs_writev+0x2c8/0x664 [ 558.161291][T20989] do_pwritev+0x120/0x234 [ 558.161301][T20989] __arm64_sys_pwritev2+0xd4/0x108 [ 558.161310][T20989] invoke_syscall+0x98/0x244 [ 558.161320][T20989] el0_svc_common+0xe8/0x23c [ 558.161329][T20989] do_el0_svc+0x48/0x58 [ 558.161338][T20989] el0_svc+0x60/0x25c [ 558.161348][T20989] el0t_64_sync_handler+0x48/0x148 [ 558.161357][T20989] el0t_64_sync+0x198/0x19c executing program [ 558.212089][T20994] loop4: detected capacity change from 0 to 32768 [ 558.240572][T20986] FAULT_INJECTION: forcing a failure. [ 558.240572][T20986] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.240607][T20986] CPU: 0 UID: 0 PID: 20986 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.240619][T20986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.240627][T20986] Call trace: [ 558.240631][T20986] show_stack+0x2c/0x3c (C) [ 558.240648][T20986] __dump_stack+0x30/0x40 [ 558.240658][T20986] dump_stack_lvl+0xd8/0x12c [ 558.240668][T20986] dump_stack+0x1c/0x28 [ 558.240676][T20986] should_fail_ex+0x414/0x588 [ 558.240687][T20986] should_fail+0x14/0x24 [ 558.240696][T20986] should_fail_usercopy+0x20/0x30 [ 558.240705][T20986] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.240717][T20986] generic_perform_write+0x4c0/0x7b8 [ 558.240727][T20986] ext4_buffered_write_iter+0xd0/0x310 [ 558.240737][T20986] ext4_file_write_iter+0x1d8/0x1390 [ 558.240751][T20986] do_iter_readv_writev+0x48c/0x6f8 [ 558.240762][T20986] vfs_writev+0x2c8/0x664 [ 558.240772][T20986] do_pwritev+0x120/0x234 [ 558.240782][T20986] __arm64_sys_pwritev2+0xd4/0x108 [ 558.240792][T20986] invoke_syscall+0x98/0x244 [ 558.240801][T20986] el0_svc_common+0xe8/0x23c [ 558.240811][T20986] do_el0_svc+0x48/0x58 [ 558.240819][T20986] el0_svc+0x60/0x25c [ 558.240829][T20986] el0t_64_sync_handler+0x48/0x148 [ 558.240838][T20986] el0t_64_sync+0x198/0x19c [ 558.291698][T20995] loop1: detected capacity change from 0 to 32768 [ 558.293939][T20994] FAULT_INJECTION: forcing a failure. [ 558.293939][T20994] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.293971][T20994] CPU: 0 UID: 0 PID: 20994 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.293982][T20994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.293989][T20994] Call trace: [ 558.293993][T20994] show_stack+0x2c/0x3c (C) [ 558.294014][T20994] __dump_stack+0x30/0x40 [ 558.294025][T20994] dump_stack_lvl+0xd8/0x12c [ 558.294034][T20994] dump_stack+0x1c/0x28 [ 558.294043][T20994] should_fail_ex+0x414/0x588 [ 558.294053][T20994] should_fail+0x14/0x24 [ 558.294062][T20994] should_fail_usercopy+0x20/0x30 [ 558.294072][T20994] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.294083][T20994] generic_perform_write+0x4c0/0x7b8 [ 558.294093][T20994] ext4_buffered_write_iter+0xd0/0x310 [ 558.294104][T20994] ext4_file_write_iter+0x1d8/0x1390 [ 558.294114][T20994] do_iter_readv_writev+0x48c/0x6f8 [ 558.294124][T20994] vfs_writev+0x2c8/0x664 [ 558.294134][T20994] do_pwritev+0x120/0x234 [ 558.294143][T20994] __arm64_sys_pwritev2+0xd4/0x108 [ 558.294153][T20994] invoke_syscall+0x98/0x244 [ 558.294162][T20994] el0_svc_common+0xe8/0x23c [ 558.294172][T20994] do_el0_svc+0x48/0x58 [ 558.294180][T20994] el0_svc+0x60/0x25c [ 558.294190][T20994] el0t_64_sync_handler+0x48/0x148 [ 558.294199][T20994] el0t_64_sync+0x198/0x19c executing program executing program [ 558.338265][T20995] FAULT_INJECTION: forcing a failure. [ 558.338265][T20995] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.338300][T20995] CPU: 0 UID: 0 PID: 20995 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.338312][T20995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.338320][T20995] Call trace: [ 558.338324][T20995] show_stack+0x2c/0x3c (C) [ 558.338342][T20995] __dump_stack+0x30/0x40 [ 558.338356][T20995] dump_stack_lvl+0xd8/0x12c [ 558.338365][T20995] dump_stack+0x1c/0x28 [ 558.338374][T20995] should_fail_ex+0x414/0x588 [ 558.338384][T20995] should_fail+0x14/0x24 [ 558.338393][T20995] should_fail_usercopy+0x20/0x30 [ 558.338403][T20995] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.338414][T20995] generic_perform_write+0x4c0/0x7b8 [ 558.338423][T20995] ext4_buffered_write_iter+0xd0/0x310 [ 558.338434][T20995] ext4_file_write_iter+0x1d8/0x1390 [ 558.338444][T20995] do_iter_readv_writev+0x48c/0x6f8 [ 558.338454][T20995] vfs_writev+0x2c8/0x664 [ 558.338463][T20995] do_pwritev+0x120/0x234 [ 558.338473][T20995] __arm64_sys_pwritev2+0xd4/0x108 [ 558.338482][T20995] invoke_syscall+0x98/0x244 [ 558.338492][T20995] el0_svc_common+0xe8/0x23c [ 558.338501][T20995] do_el0_svc+0x48/0x58 [ 558.338510][T20995] el0_svc+0x60/0x25c [ 558.338519][T20995] el0t_64_sync_handler+0x48/0x148 [ 558.338528][T20995] el0t_64_sync+0x198/0x19c executing program [ 558.451165][T20998] loop2: detected capacity change from 0 to 32768 [ 558.486562][T21004] loop1: detected capacity change from 0 to 32768 [ 558.568450][T21004] FAULT_INJECTION: forcing a failure. [ 558.568450][T21004] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.570886][T21004] CPU: 1 UID: 0 PID: 21004 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.570912][T21004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.570920][T21004] Call trace: [ 558.570924][T21004] show_stack+0x2c/0x3c (C) [ 558.570951][T21004] __dump_stack+0x30/0x40 [ 558.570967][T21004] dump_stack_lvl+0xd8/0x12c [ 558.570977][T21004] dump_stack+0x1c/0x28 [ 558.570986][T21004] should_fail_ex+0x414/0x588 [ 558.570996][T21004] should_fail+0x14/0x24 [ 558.571005][T21004] should_fail_usercopy+0x20/0x30 [ 558.571015][T21004] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.571027][T21004] generic_perform_write+0x4c0/0x7b8 [ 558.571037][T21004] ext4_buffered_write_iter+0xd0/0x310 [ 558.571047][T21004] ext4_file_write_iter+0x1d8/0x1390 [ 558.571057][T21004] do_iter_readv_writev+0x48c/0x6f8 [ 558.571067][T21004] vfs_writev+0x2c8/0x664 [ 558.571077][T21004] do_pwritev+0x120/0x234 [ 558.571086][T21004] __arm64_sys_pwritev2+0xd4/0x108 [ 558.571096][T21004] invoke_syscall+0x98/0x244 [ 558.571105][T21004] el0_svc_common+0xe8/0x23c [ 558.571115][T21004] do_el0_svc+0x48/0x58 [ 558.571124][T21004] el0_svc+0x60/0x25c [ 558.571133][T21004] el0t_64_sync_handler+0x48/0x148 [ 558.571142][T21004] el0t_64_sync+0x198/0x19c [ 558.604648][T21003] loop4: detected capacity change from 0 to 32768 [ 558.611080][T20998] FAULT_INJECTION: forcing a failure. [ 558.611080][T20998] name fail_usercopy, interval 1, probability 0, space 0, times 0 executing program [ 558.620082][T20998] CPU: 1 UID: 0 PID: 20998 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.620099][T20998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.620105][T20998] Call trace: [ 558.620108][T20998] show_stack+0x2c/0x3c (C) [ 558.620128][T20998] __dump_stack+0x30/0x40 [ 558.620142][T20998] dump_stack_lvl+0xd8/0x12c [ 558.620151][T20998] dump_stack+0x1c/0x28 [ 558.620160][T20998] should_fail_ex+0x414/0x588 [ 558.620171][T20998] should_fail+0x14/0x24 [ 558.620180][T20998] should_fail_usercopy+0x20/0x30 [ 558.620189][T20998] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.620201][T20998] generic_perform_write+0x4c0/0x7b8 [ 558.620210][T20998] ext4_buffered_write_iter+0xd0/0x310 [ 558.620221][T20998] ext4_file_write_iter+0x1d8/0x1390 [ 558.620231][T20998] do_iter_readv_writev+0x48c/0x6f8 [ 558.620241][T20998] vfs_writev+0x2c8/0x664 [ 558.620251][T20998] do_pwritev+0x120/0x234 [ 558.620260][T20998] __arm64_sys_pwritev2+0xd4/0x108 [ 558.620270][T20998] invoke_syscall+0x98/0x244 [ 558.620279][T20998] el0_svc_common+0xe8/0x23c [ 558.620289][T20998] do_el0_svc+0x48/0x58 [ 558.620298][T20998] el0_svc+0x60/0x25c [ 558.620307][T20998] el0t_64_sync_handler+0x48/0x148 [ 558.620316][T20998] el0t_64_sync+0x198/0x19c [ 558.642048][T21003] FAULT_INJECTION: forcing a failure. [ 558.642048][T21003] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.644516][T21003] CPU: 1 UID: 0 PID: 21003 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.644530][T21003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.644535][T21003] Call trace: [ 558.644538][T21003] show_stack+0x2c/0x3c (C) [ 558.644551][T21003] __dump_stack+0x30/0x40 [ 558.644561][T21003] dump_stack_lvl+0xd8/0x12c [ 558.644570][T21003] dump_stack+0x1c/0x28 [ 558.644578][T21003] should_fail_ex+0x414/0x588 [ 558.644588][T21003] should_fail+0x14/0x24 [ 558.644597][T21003] should_fail_usercopy+0x20/0x30 [ 558.644606][T21003] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.644617][T21003] generic_perform_write+0x4c0/0x7b8 [ 558.644626][T21003] ext4_buffered_write_iter+0xd0/0x310 [ 558.644637][T21003] ext4_file_write_iter+0x1d8/0x1390 [ 558.644647][T21003] do_iter_readv_writev+0x48c/0x6f8 [ 558.644656][T21003] vfs_writev+0x2c8/0x664 [ 558.644666][T21003] do_pwritev+0x120/0x234 [ 558.644675][T21003] __arm64_sys_pwritev2+0xd4/0x108 [ 558.644685][T21003] invoke_syscall+0x98/0x244 [ 558.644694][T21003] el0_svc_common+0xe8/0x23c [ 558.644703][T21003] do_el0_svc+0x48/0x58 [ 558.644712][T21003] el0_svc+0x60/0x25c [ 558.644721][T21003] el0t_64_sync_handler+0x48/0x148 [ 558.644730][T21003] el0t_64_sync+0x198/0x19c executing program executing program [ 558.742040][T21008] loop1: detected capacity change from 0 to 32768 [ 558.827525][T20999] loop0: detected capacity change from 0 to 32768 [ 558.831596][T21008] FAULT_INJECTION: forcing a failure. [ 558.831596][T21008] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.831868][T21008] CPU: 0 UID: 0 PID: 21008 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.831885][T21008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.831890][T21008] Call trace: [ 558.831893][T21008] show_stack+0x2c/0x3c (C) [ 558.831913][T21008] __dump_stack+0x30/0x40 [ 558.831923][T21008] dump_stack_lvl+0xd8/0x12c [ 558.831932][T21008] dump_stack+0x1c/0x28 [ 558.831941][T21008] should_fail_ex+0x414/0x588 [ 558.831952][T21008] should_fail+0x14/0x24 [ 558.831961][T21008] should_fail_usercopy+0x20/0x30 [ 558.831971][T21008] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.831983][T21008] generic_perform_write+0x4c0/0x7b8 [ 558.831992][T21008] ext4_buffered_write_iter+0xd0/0x310 [ 558.832004][T21008] ext4_file_write_iter+0x1d8/0x1390 [ 558.832013][T21008] do_iter_readv_writev+0x48c/0x6f8 [ 558.832024][T21008] vfs_writev+0x2c8/0x664 [ 558.832033][T21008] do_pwritev+0x120/0x234 [ 558.832043][T21008] __arm64_sys_pwritev2+0xd4/0x108 [ 558.832052][T21008] invoke_syscall+0x98/0x244 [ 558.832062][T21008] el0_svc_common+0xe8/0x23c [ 558.832072][T21008] do_el0_svc+0x48/0x58 [ 558.832080][T21008] el0_svc+0x60/0x25c [ 558.832090][T21008] el0t_64_sync_handler+0x48/0x148 [ 558.832099][T21008] el0t_64_sync+0x198/0x19c [ 558.873837][T20999] FAULT_INJECTION: forcing a failure. [ 558.873837][T20999] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.873873][T20999] CPU: 0 UID: 0 PID: 20999 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 558.873885][T20999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 558.873890][T20999] Call trace: [ 558.873893][T20999] show_stack+0x2c/0x3c (C) [ 558.873908][T20999] __dump_stack+0x30/0x40 [ 558.873919][T20999] dump_stack_lvl+0xd8/0x12c [ 558.873928][T20999] dump_stack+0x1c/0x28 [ 558.873936][T20999] should_fail_ex+0x414/0x588 [ 558.873947][T20999] should_fail+0x14/0x24 [ 558.873956][T20999] should_fail_usercopy+0x20/0x30 [ 558.873966][T20999] copy_folio_from_iter_atomic+0x38c/0x1450 [ 558.873978][T20999] generic_perform_write+0x4c0/0x7b8 [ 558.873993][T20999] ext4_buffered_write_iter+0xd0/0x310 [ 558.874005][T20999] ext4_file_write_iter+0x1d8/0x1390 [ 558.874015][T20999] do_iter_readv_writev+0x48c/0x6f8 [ 558.874025][T20999] vfs_writev+0x2c8/0x664 [ 558.874035][T20999] do_pwritev+0x120/0x234 [ 558.874045][T20999] __arm64_sys_pwritev2+0xd4/0x108 [ 558.874054][T20999] invoke_syscall+0x98/0x244 [ 558.874064][T20999] el0_svc_common+0xe8/0x23c [ 558.874073][T20999] do_el0_svc+0x48/0x58 executing program [ 558.874082][T20999] el0_svc+0x60/0x25c [ 558.874091][T20999] el0t_64_sync_handler+0x48/0x148 [ 558.874100][T20999] el0t_64_sync+0x198/0x19c executing program [ 559.002204][T21010] FAULT_INJECTION: forcing a failure. [ 559.002204][T21010] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.004430][T21010] CPU: 1 UID: 0 PID: 21010 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.004447][T21010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.004454][T21010] Call trace: [ 559.004457][T21010] show_stack+0x2c/0x3c (C) [ 559.004478][T21010] __dump_stack+0x30/0x40 [ 559.004489][T21010] dump_stack_lvl+0xd8/0x12c [ 559.004498][T21010] dump_stack+0x1c/0x28 [ 559.004507][T21010] should_fail_ex+0x414/0x588 [ 559.004518][T21010] should_fail+0x14/0x24 [ 559.004527][T21010] should_fail_usercopy+0x20/0x30 [ 559.004537][T21010] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.004549][T21010] generic_perform_write+0x4c0/0x7b8 [ 559.004559][T21010] ext4_buffered_write_iter+0xd0/0x310 [ 559.004570][T21010] ext4_file_write_iter+0x1d8/0x1390 [ 559.004579][T21010] do_iter_readv_writev+0x48c/0x6f8 [ 559.004589][T21010] vfs_writev+0x2c8/0x664 [ 559.004599][T21010] do_pwritev+0x120/0x234 [ 559.004608][T21010] __arm64_sys_pwritev2+0xd4/0x108 [ 559.004618][T21010] invoke_syscall+0x98/0x244 [ 559.004627][T21010] el0_svc_common+0xe8/0x23c [ 559.004636][T21010] do_el0_svc+0x48/0x58 [ 559.004645][T21010] el0_svc+0x60/0x25c [ 559.004655][T21010] el0t_64_sync_handler+0x48/0x148 [ 559.004664][T21010] el0t_64_sync+0x198/0x19c executing program [ 559.057075][T21002] FAULT_INJECTION: forcing a failure. [ 559.057075][T21002] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.059200][T21002] CPU: 1 UID: 0 PID: 21002 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.059223][T21002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.059234][T21002] Call trace: [ 559.059240][T21002] show_stack+0x2c/0x3c (C) [ 559.059255][T21002] __dump_stack+0x30/0x40 [ 559.059265][T21002] dump_stack_lvl+0xd8/0x12c [ 559.059274][T21002] dump_stack+0x1c/0x28 [ 559.059282][T21002] should_fail_ex+0x414/0x588 [ 559.059292][T21002] should_fail+0x14/0x24 [ 559.059302][T21002] should_fail_usercopy+0x20/0x30 [ 559.059311][T21002] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.059323][T21002] generic_perform_write+0x4c0/0x7b8 [ 559.059332][T21002] ext4_buffered_write_iter+0xd0/0x310 [ 559.059343][T21002] ext4_file_write_iter+0x1d8/0x1390 [ 559.059353][T21002] do_iter_readv_writev+0x48c/0x6f8 [ 559.059363][T21002] vfs_writev+0x2c8/0x664 [ 559.059372][T21002] do_pwritev+0x120/0x234 [ 559.059382][T21002] __arm64_sys_pwritev2+0xd4/0x108 [ 559.059391][T21002] invoke_syscall+0x98/0x244 [ 559.059400][T21002] el0_svc_common+0xe8/0x23c [ 559.059409][T21002] do_el0_svc+0x48/0x58 [ 559.059418][T21002] el0_svc+0x60/0x25c [ 559.059428][T21002] el0t_64_sync_handler+0x48/0x148 [ 559.059436][T21002] el0t_64_sync+0x198/0x19c executing program [ 559.110012][T21009] FAULT_INJECTION: forcing a failure. [ 559.110012][T21009] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.110051][T21009] CPU: 0 UID: 0 PID: 21009 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.110063][T21009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.110068][T21009] Call trace: [ 559.110071][T21009] show_stack+0x2c/0x3c (C) [ 559.110085][T21009] __dump_stack+0x30/0x40 [ 559.110095][T21009] dump_stack_lvl+0xd8/0x12c [ 559.110104][T21009] dump_stack+0x1c/0x28 [ 559.110112][T21009] should_fail_ex+0x414/0x588 [ 559.110123][T21009] should_fail+0x14/0x24 [ 559.110132][T21009] should_fail_usercopy+0x20/0x30 [ 559.110141][T21009] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.110153][T21009] generic_perform_write+0x4c0/0x7b8 [ 559.110162][T21009] ext4_buffered_write_iter+0xd0/0x310 [ 559.110173][T21009] ext4_file_write_iter+0x1d8/0x1390 [ 559.110183][T21009] do_iter_readv_writev+0x48c/0x6f8 [ 559.110193][T21009] vfs_writev+0x2c8/0x664 [ 559.110202][T21009] do_pwritev+0x120/0x234 [ 559.110212][T21009] __arm64_sys_pwritev2+0xd4/0x108 [ 559.110221][T21009] invoke_syscall+0x98/0x244 [ 559.110230][T21009] el0_svc_common+0xe8/0x23c [ 559.110240][T21009] do_el0_svc+0x48/0x58 [ 559.110248][T21009] el0_svc+0x60/0x25c [ 559.110258][T21009] el0t_64_sync_handler+0x48/0x148 [ 559.110266][T21009] el0t_64_sync+0x198/0x19c executing program [ 559.261325][T21019] FAULT_INJECTION: forcing a failure. [ 559.261325][T21019] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.273150][T21019] CPU: 1 UID: 0 PID: 21019 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.273172][T21019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.273178][T21019] Call trace: [ 559.273182][T21019] show_stack+0x2c/0x3c (C) [ 559.273202][T21019] __dump_stack+0x30/0x40 [ 559.273213][T21019] dump_stack_lvl+0xd8/0x12c [ 559.273222][T21019] dump_stack+0x1c/0x28 [ 559.273231][T21019] should_fail_ex+0x414/0x588 [ 559.273242][T21019] should_fail+0x14/0x24 [ 559.273251][T21019] should_fail_usercopy+0x20/0x30 [ 559.273260][T21019] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.273272][T21019] generic_perform_write+0x4c0/0x7b8 [ 559.273282][T21019] ext4_buffered_write_iter+0xd0/0x310 [ 559.273294][T21019] ext4_file_write_iter+0x1d8/0x1390 [ 559.273303][T21019] do_iter_readv_writev+0x48c/0x6f8 [ 559.273314][T21019] vfs_writev+0x2c8/0x664 [ 559.273323][T21019] do_pwritev+0x120/0x234 [ 559.273332][T21019] __arm64_sys_pwritev2+0xd4/0x108 [ 559.273342][T21019] invoke_syscall+0x98/0x244 [ 559.273351][T21019] el0_svc_common+0xe8/0x23c [ 559.273360][T21019] do_el0_svc+0x48/0x58 [ 559.273369][T21019] el0_svc+0x60/0x25c [ 559.273379][T21019] el0t_64_sync_handler+0x48/0x148 [ 559.273388][T21019] el0t_64_sync+0x198/0x19c executing program [ 559.350617][T21020] FAULT_INJECTION: forcing a failure. [ 559.350617][T21020] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.350658][T21020] CPU: 0 UID: 0 PID: 21020 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.350670][T21020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.350678][T21020] Call trace: [ 559.350682][T21020] show_stack+0x2c/0x3c (C) [ 559.350702][T21020] __dump_stack+0x30/0x40 [ 559.350716][T21020] dump_stack_lvl+0xd8/0x12c [ 559.350726][T21020] dump_stack+0x1c/0x28 [ 559.350734][T21020] should_fail_ex+0x414/0x588 [ 559.350749][T21020] should_fail+0x14/0x24 [ 559.350759][T21020] should_fail_usercopy+0x20/0x30 [ 559.350769][T21020] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.350781][T21020] generic_perform_write+0x4c0/0x7b8 [ 559.350790][T21020] ext4_buffered_write_iter+0xd0/0x310 [ 559.350801][T21020] ext4_file_write_iter+0x1d8/0x1390 [ 559.350811][T21020] do_iter_readv_writev+0x48c/0x6f8 [ 559.350822][T21020] vfs_writev+0x2c8/0x664 [ 559.350831][T21020] do_pwritev+0x120/0x234 [ 559.350841][T21020] __arm64_sys_pwritev2+0xd4/0x108 [ 559.350850][T21020] invoke_syscall+0x98/0x244 executing program [ 559.350860][T21020] el0_svc_common+0xe8/0x23c [ 559.350869][T21020] do_el0_svc+0x48/0x58 [ 559.350878][T21020] el0_svc+0x60/0x25c [ 559.350888][T21020] el0t_64_sync_handler+0x48/0x148 [ 559.350897][T21020] el0t_64_sync+0x198/0x19c [ 559.379735][T21018] FAULT_INJECTION: forcing a failure. [ 559.379735][T21018] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.381829][T21018] CPU: 1 UID: 0 PID: 21018 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.381843][T21018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.381848][T21018] Call trace: [ 559.381851][T21018] show_stack+0x2c/0x3c (C) [ 559.381866][T21018] __dump_stack+0x30/0x40 [ 559.381876][T21018] dump_stack_lvl+0xd8/0x12c [ 559.381884][T21018] dump_stack+0x1c/0x28 [ 559.381893][T21018] should_fail_ex+0x414/0x588 [ 559.381903][T21018] should_fail+0x14/0x24 [ 559.381912][T21018] should_fail_usercopy+0x20/0x30 [ 559.381922][T21018] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.381937][T21018] generic_perform_write+0x4c0/0x7b8 [ 559.381946][T21018] ext4_buffered_write_iter+0xd0/0x310 [ 559.381957][T21018] ext4_file_write_iter+0x1d8/0x1390 [ 559.381967][T21018] do_iter_readv_writev+0x48c/0x6f8 [ 559.381977][T21018] vfs_writev+0x2c8/0x664 [ 559.381986][T21018] do_pwritev+0x120/0x234 [ 559.381996][T21018] __arm64_sys_pwritev2+0xd4/0x108 [ 559.382006][T21018] invoke_syscall+0x98/0x244 [ 559.382015][T21018] el0_svc_common+0xe8/0x23c [ 559.382024][T21018] do_el0_svc+0x48/0x58 [ 559.382033][T21018] el0_svc+0x60/0x25c [ 559.382043][T21018] el0t_64_sync_handler+0x48/0x148 [ 559.382052][T21018] el0t_64_sync+0x198/0x19c [ 559.423223][T21014] FAULT_INJECTION: forcing a failure. [ 559.423223][T21014] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.425522][T21014] CPU: 1 UID: 0 PID: 21014 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.425541][T21014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.425548][T21014] Call trace: [ 559.425551][T21014] show_stack+0x2c/0x3c (C) [ 559.425566][T21014] __dump_stack+0x30/0x40 [ 559.425575][T21014] dump_stack_lvl+0xd8/0x12c [ 559.425584][T21014] dump_stack+0x1c/0x28 [ 559.425593][T21014] should_fail_ex+0x414/0x588 [ 559.425603][T21014] should_fail+0x14/0x24 [ 559.425612][T21014] should_fail_usercopy+0x20/0x30 [ 559.425622][T21014] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.425633][T21014] generic_perform_write+0x4c0/0x7b8 [ 559.425642][T21014] ext4_buffered_write_iter+0xd0/0x310 executing program [ 559.425653][T21014] ext4_file_write_iter+0x1d8/0x1390 [ 559.425662][T21014] do_iter_readv_writev+0x48c/0x6f8 [ 559.425672][T21014] vfs_writev+0x2c8/0x664 [ 559.425682][T21014] do_pwritev+0x120/0x234 [ 559.425692][T21014] __arm64_sys_pwritev2+0xd4/0x108 [ 559.425701][T21014] invoke_syscall+0x98/0x244 [ 559.425710][T21014] el0_svc_common+0xe8/0x23c [ 559.425720][T21014] do_el0_svc+0x48/0x58 [ 559.425729][T21014] el0_svc+0x60/0x25c [ 559.425738][T21014] el0t_64_sync_handler+0x48/0x148 [ 559.425746][T21014] el0t_64_sync+0x198/0x19c [ 559.462923][T21013] FAULT_INJECTION: forcing a failure. [ 559.462923][T21013] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.462959][T21013] CPU: 0 UID: 0 PID: 21013 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.462971][T21013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.462976][T21013] Call trace: [ 559.462979][T21013] show_stack+0x2c/0x3c (C) [ 559.462992][T21013] __dump_stack+0x30/0x40 [ 559.463002][T21013] dump_stack_lvl+0xd8/0x12c [ 559.463010][T21013] dump_stack+0x1c/0x28 [ 559.463019][T21013] should_fail_ex+0x414/0x588 [ 559.463029][T21013] should_fail+0x14/0x24 [ 559.463038][T21013] should_fail_usercopy+0x20/0x30 [ 559.463048][T21013] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.463059][T21013] generic_perform_write+0x4c0/0x7b8 executing program [ 559.463069][T21013] ext4_buffered_write_iter+0xd0/0x310 [ 559.463079][T21013] ext4_file_write_iter+0x1d8/0x1390 [ 559.463089][T21013] do_iter_readv_writev+0x48c/0x6f8 [ 559.463099][T21013] vfs_writev+0x2c8/0x664 [ 559.463112][T21013] do_pwritev+0x120/0x234 [ 559.463122][T21013] __arm64_sys_pwritev2+0xd4/0x108 [ 559.463131][T21013] invoke_syscall+0x98/0x244 [ 559.463140][T21013] el0_svc_common+0xe8/0x23c [ 559.463150][T21013] do_el0_svc+0x48/0x58 [ 559.463158][T21013] el0_svc+0x60/0x25c [ 559.463167][T21013] el0t_64_sync_handler+0x48/0x148 [ 559.463176][T21013] el0t_64_sync+0x198/0x19c executing program [ 559.599812][T21026] FAULT_INJECTION: forcing a failure. [ 559.599812][T21026] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.613174][T21026] CPU: 1 UID: 0 PID: 21026 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.613198][T21026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.613204][T21026] Call trace: [ 559.613208][T21026] show_stack+0x2c/0x3c (C) [ 559.613227][T21026] __dump_stack+0x30/0x40 [ 559.613238][T21026] dump_stack_lvl+0xd8/0x12c [ 559.613247][T21026] dump_stack+0x1c/0x28 [ 559.613256][T21026] should_fail_ex+0x414/0x588 [ 559.613267][T21026] should_fail+0x14/0x24 [ 559.613276][T21026] should_fail_usercopy+0x20/0x30 [ 559.613285][T21026] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.613297][T21026] generic_perform_write+0x4c0/0x7b8 [ 559.613308][T21026] ext4_buffered_write_iter+0xd0/0x310 [ 559.613318][T21026] ext4_file_write_iter+0x1d8/0x1390 [ 559.613328][T21026] do_iter_readv_writev+0x48c/0x6f8 [ 559.613339][T21026] vfs_writev+0x2c8/0x664 [ 559.613348][T21026] do_pwritev+0x120/0x234 [ 559.613357][T21026] __arm64_sys_pwritev2+0xd4/0x108 [ 559.613367][T21026] invoke_syscall+0x98/0x244 [ 559.613376][T21026] el0_svc_common+0xe8/0x23c [ 559.613386][T21026] do_el0_svc+0x48/0x58 [ 559.613394][T21026] el0_svc+0x60/0x25c [ 559.613404][T21026] el0t_64_sync_handler+0x48/0x148 [ 559.613413][T21026] el0t_64_sync+0x198/0x19c executing program [ 559.753588][T21032] FAULT_INJECTION: forcing a failure. [ 559.753588][T21032] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.756003][T21032] CPU: 1 UID: 0 PID: 21032 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.756025][T21032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.756031][T21032] Call trace: [ 559.756035][T21032] show_stack+0x2c/0x3c (C) [ 559.756051][T21032] __dump_stack+0x30/0x40 [ 559.756061][T21032] dump_stack_lvl+0xd8/0x12c [ 559.756070][T21032] dump_stack+0x1c/0x28 [ 559.756079][T21032] should_fail_ex+0x414/0x588 [ 559.756089][T21032] should_fail+0x14/0x24 [ 559.756098][T21032] should_fail_usercopy+0x20/0x30 [ 559.756108][T21032] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.756120][T21032] generic_perform_write+0x4c0/0x7b8 [ 559.756129][T21032] ext4_buffered_write_iter+0xd0/0x310 [ 559.756140][T21032] ext4_file_write_iter+0x1d8/0x1390 [ 559.756150][T21032] do_iter_readv_writev+0x48c/0x6f8 [ 559.756161][T21032] vfs_writev+0x2c8/0x664 [ 559.756170][T21032] do_pwritev+0x120/0x234 [ 559.756179][T21032] __arm64_sys_pwritev2+0xd4/0x108 [ 559.756189][T21032] invoke_syscall+0x98/0x244 [ 559.756198][T21032] el0_svc_common+0xe8/0x23c [ 559.756207][T21032] do_el0_svc+0x48/0x58 [ 559.756216][T21032] el0_svc+0x60/0x25c [ 559.756226][T21032] el0t_64_sync_handler+0x48/0x148 [ 559.756235][T21032] el0t_64_sync+0x198/0x19c [ 559.816993][T21025] FAULT_INJECTION: forcing a failure. [ 559.816993][T21025] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.817030][T21025] CPU: 0 UID: 0 PID: 21025 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.817043][T21025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.817051][T21025] Call trace: [ 559.817055][T21025] show_stack+0x2c/0x3c (C) [ 559.817073][T21025] __dump_stack+0x30/0x40 [ 559.817084][T21025] dump_stack_lvl+0xd8/0x12c [ 559.817093][T21025] dump_stack+0x1c/0x28 [ 559.817101][T21025] should_fail_ex+0x414/0x588 [ 559.817112][T21025] should_fail+0x14/0x24 [ 559.817121][T21025] should_fail_usercopy+0x20/0x30 [ 559.817130][T21025] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.817142][T21025] generic_perform_write+0x4c0/0x7b8 [ 559.817152][T21025] ext4_buffered_write_iter+0xd0/0x310 [ 559.817162][T21025] ext4_file_write_iter+0x1d8/0x1390 [ 559.817172][T21025] do_iter_readv_writev+0x48c/0x6f8 [ 559.817182][T21025] vfs_writev+0x2c8/0x664 [ 559.817192][T21025] do_pwritev+0x120/0x234 [ 559.817201][T21025] __arm64_sys_pwritev2+0xd4/0x108 [ 559.817210][T21025] invoke_syscall+0x98/0x244 [ 559.817220][T21025] el0_svc_common+0xe8/0x23c [ 559.817229][T21025] do_el0_svc+0x48/0x58 [ 559.817238][T21025] el0_svc+0x60/0x25c [ 559.817248][T21025] el0t_64_sync_handler+0x48/0x148 [ 559.817257][T21025] el0t_64_sync+0x198/0x19c [ 559.827704][T21028] FAULT_INJECTION: forcing a failure. [ 559.827704][T21028] name fail_usercopy, interval 1, probability 0, space 0, times 0 executing program [ 559.827718][T21028] CPU: 0 UID: 0 PID: 21028 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.827728][T21028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.827732][T21028] Call trace: [ 559.827735][T21028] show_stack+0x2c/0x3c (C) [ 559.827756][T21028] __dump_stack+0x30/0x40 [ 559.827767][T21028] dump_stack_lvl+0xd8/0x12c [ 559.827778][T21028] dump_stack+0x1c/0x28 [ 559.827788][T21028] should_fail_ex+0x414/0x588 [ 559.827798][T21028] should_fail+0x14/0x24 [ 559.827808][T21028] should_fail_usercopy+0x20/0x30 executing program [ 559.827817][T21028] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.827829][T21028] generic_perform_write+0x4c0/0x7b8 [ 559.827839][T21028] ext4_buffered_write_iter+0xd0/0x310 [ 559.827849][T21028] ext4_file_write_iter+0x1d8/0x1390 [ 559.827859][T21028] do_iter_readv_writev+0x48c/0x6f8 [ 559.827869][T21028] vfs_writev+0x2c8/0x664 [ 559.827879][T21028] do_pwritev+0x120/0x234 [ 559.827888][T21028] __arm64_sys_pwritev2+0xd4/0x108 [ 559.827898][T21028] invoke_syscall+0x98/0x244 [ 559.827907][T21028] el0_svc_common+0xe8/0x23c [ 559.827916][T21028] do_el0_svc+0x48/0x58 [ 559.827925][T21028] el0_svc+0x60/0x25c [ 559.827934][T21028] el0t_64_sync_handler+0x48/0x148 [ 559.827943][T21028] el0t_64_sync+0x198/0x19c executing program [ 559.918761][T21029] FAULT_INJECTION: forcing a failure. [ 559.918761][T21029] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 559.918803][T21029] CPU: 0 UID: 0 PID: 21029 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 559.918818][T21029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 559.918826][T21029] Call trace: [ 559.918830][T21029] show_stack+0x2c/0x3c (C) [ 559.918848][T21029] __dump_stack+0x30/0x40 [ 559.918859][T21029] dump_stack_lvl+0xd8/0x12c [ 559.918868][T21029] dump_stack+0x1c/0x28 [ 559.918877][T21029] should_fail_ex+0x414/0x588 [ 559.918888][T21029] should_fail+0x14/0x24 [ 559.918897][T21029] should_fail_usercopy+0x20/0x30 [ 559.918907][T21029] copy_folio_from_iter_atomic+0x38c/0x1450 [ 559.918919][T21029] generic_perform_write+0x4c0/0x7b8 [ 559.918930][T21029] ext4_buffered_write_iter+0xd0/0x310 [ 559.918941][T21029] ext4_file_write_iter+0x1d8/0x1390 [ 559.918951][T21029] do_iter_readv_writev+0x48c/0x6f8 [ 559.918962][T21029] vfs_writev+0x2c8/0x664 [ 559.918971][T21029] do_pwritev+0x120/0x234 [ 559.918981][T21029] __arm64_sys_pwritev2+0xd4/0x108 [ 559.918990][T21029] invoke_syscall+0x98/0x244 [ 559.919000][T21029] el0_svc_common+0xe8/0x23c [ 559.919009][T21029] do_el0_svc+0x48/0x58 executing program [ 559.919018][T21029] el0_svc+0x60/0x25c [ 559.919027][T21029] el0t_64_sync_handler+0x48/0x148 [ 559.919036][T21029] el0t_64_sync+0x198/0x19c [ 560.016045][T21030] FAULT_INJECTION: forcing a failure. [ 560.016045][T21030] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.016084][T21030] CPU: 0 UID: 0 PID: 21030 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.016094][T21030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.016100][T21030] Call trace: [ 560.016103][T21030] show_stack+0x2c/0x3c (C) [ 560.016119][T21030] __dump_stack+0x30/0x40 [ 560.016128][T21030] dump_stack_lvl+0xd8/0x12c [ 560.016137][T21030] dump_stack+0x1c/0x28 [ 560.016146][T21030] should_fail_ex+0x414/0x588 [ 560.016156][T21030] should_fail+0x14/0x24 [ 560.016165][T21030] should_fail_usercopy+0x20/0x30 [ 560.016175][T21030] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.016186][T21030] generic_perform_write+0x4c0/0x7b8 [ 560.016196][T21030] ext4_buffered_write_iter+0xd0/0x310 [ 560.016207][T21030] ext4_file_write_iter+0x1d8/0x1390 [ 560.016216][T21030] do_iter_readv_writev+0x48c/0x6f8 [ 560.016227][T21030] vfs_writev+0x2c8/0x664 [ 560.016236][T21030] do_pwritev+0x120/0x234 [ 560.016245][T21030] __arm64_sys_pwritev2+0xd4/0x108 [ 560.016255][T21030] invoke_syscall+0x98/0x244 [ 560.016264][T21030] el0_svc_common+0xe8/0x23c [ 560.016273][T21030] do_el0_svc+0x48/0x58 [ 560.016282][T21030] el0_svc+0x60/0x25c [ 560.016292][T21030] el0t_64_sync_handler+0x48/0x148 [ 560.016301][T21030] el0t_64_sync+0x198/0x19c [ 560.057820][T21038] FAULT_INJECTION: forcing a failure. [ 560.057820][T21038] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.060050][T21038] CPU: 1 UID: 0 PID: 21038 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.060072][T21038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.060083][T21038] Call trace: [ 560.060087][T21038] show_stack+0x2c/0x3c (C) [ 560.060103][T21038] __dump_stack+0x30/0x40 [ 560.060113][T21038] dump_stack_lvl+0xd8/0x12c [ 560.060122][T21038] dump_stack+0x1c/0x28 [ 560.060131][T21038] should_fail_ex+0x414/0x588 [ 560.060141][T21038] should_fail+0x14/0x24 [ 560.060150][T21038] should_fail_usercopy+0x20/0x30 [ 560.060160][T21038] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.060171][T21038] generic_perform_write+0x4c0/0x7b8 [ 560.060181][T21038] ext4_buffered_write_iter+0xd0/0x310 [ 560.060191][T21038] ext4_file_write_iter+0x1d8/0x1390 [ 560.060201][T21038] do_iter_readv_writev+0x48c/0x6f8 [ 560.060212][T21038] vfs_writev+0x2c8/0x664 [ 560.060221][T21038] do_pwritev+0x120/0x234 [ 560.060230][T21038] __arm64_sys_pwritev2+0xd4/0x108 [ 560.060240][T21038] invoke_syscall+0x98/0x244 [ 560.060249][T21038] el0_svc_common+0xe8/0x23c [ 560.060259][T21038] do_el0_svc+0x48/0x58 [ 560.060268][T21038] el0_svc+0x60/0x25c [ 560.060277][T21038] el0t_64_sync_handler+0x48/0x148 [ 560.060285][T21038] el0t_64_sync+0x198/0x19c executing program executing program [ 560.198005][T21039] FAULT_INJECTION: forcing a failure. [ 560.198005][T21039] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.198044][T21039] CPU: 0 UID: 0 PID: 21039 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.198057][T21039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.198064][T21039] Call trace: [ 560.198068][T21039] show_stack+0x2c/0x3c (C) [ 560.198089][T21039] __dump_stack+0x30/0x40 [ 560.198103][T21039] dump_stack_lvl+0xd8/0x12c [ 560.198112][T21039] dump_stack+0x1c/0x28 [ 560.198121][T21039] should_fail_ex+0x414/0x588 [ 560.198132][T21039] should_fail+0x14/0x24 [ 560.198141][T21039] should_fail_usercopy+0x20/0x30 [ 560.198151][T21039] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.198163][T21039] generic_perform_write+0x4c0/0x7b8 [ 560.198172][T21039] ext4_buffered_write_iter+0xd0/0x310 [ 560.198183][T21039] ext4_file_write_iter+0x1d8/0x1390 [ 560.198193][T21039] do_iter_readv_writev+0x48c/0x6f8 [ 560.198204][T21039] vfs_writev+0x2c8/0x664 [ 560.198213][T21039] do_pwritev+0x120/0x234 [ 560.198222][T21039] __arm64_sys_pwritev2+0xd4/0x108 [ 560.198232][T21039] invoke_syscall+0x98/0x244 [ 560.198242][T21039] el0_svc_common+0xe8/0x23c [ 560.198251][T21039] do_el0_svc+0x48/0x58 [ 560.198260][T21039] el0_svc+0x60/0x25c [ 560.198270][T21039] el0t_64_sync_handler+0x48/0x148 [ 560.198279][T21039] el0t_64_sync+0x198/0x19c [ 560.244713][T21037] FAULT_INJECTION: forcing a failure. [ 560.244713][T21037] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.244757][T21037] CPU: 0 UID: 0 PID: 21037 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.244770][T21037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.244778][T21037] Call trace: [ 560.244781][T21037] show_stack+0x2c/0x3c (C) [ 560.244802][T21037] __dump_stack+0x30/0x40 [ 560.244812][T21037] dump_stack_lvl+0xd8/0x12c [ 560.244821][T21037] dump_stack+0x1c/0x28 [ 560.244830][T21037] should_fail_ex+0x414/0x588 [ 560.244840][T21037] should_fail+0x14/0x24 [ 560.244849][T21037] should_fail_usercopy+0x20/0x30 [ 560.244859][T21037] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.244871][T21037] generic_perform_write+0x4c0/0x7b8 [ 560.244880][T21037] ext4_buffered_write_iter+0xd0/0x310 [ 560.244891][T21037] ext4_file_write_iter+0x1d8/0x1390 [ 560.244901][T21037] do_iter_readv_writev+0x48c/0x6f8 [ 560.244911][T21037] vfs_writev+0x2c8/0x664 [ 560.244921][T21037] do_pwritev+0x120/0x234 [ 560.244930][T21037] __arm64_sys_pwritev2+0xd4/0x108 executing program [ 560.244940][T21037] invoke_syscall+0x98/0x244 [ 560.244949][T21037] el0_svc_common+0xe8/0x23c [ 560.244958][T21037] do_el0_svc+0x48/0x58 [ 560.244967][T21037] el0_svc+0x60/0x25c [ 560.244977][T21037] el0t_64_sync_handler+0x48/0x148 [ 560.244986][T21037] el0t_64_sync+0x198/0x19c executing program [ 560.445189][T21043] FAULT_INJECTION: forcing a failure. [ 560.445189][T21043] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.447569][T21043] CPU: 1 UID: 0 PID: 21043 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.447591][T21043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.447597][T21043] Call trace: [ 560.447600][T21043] show_stack+0x2c/0x3c (C) [ 560.447617][T21043] __dump_stack+0x30/0x40 [ 560.447628][T21043] dump_stack_lvl+0xd8/0x12c [ 560.447637][T21043] dump_stack+0x1c/0x28 [ 560.447646][T21043] should_fail_ex+0x414/0x588 [ 560.447657][T21043] should_fail+0x14/0x24 [ 560.447666][T21043] should_fail_usercopy+0x20/0x30 [ 560.447676][T21043] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.447687][T21043] generic_perform_write+0x4c0/0x7b8 [ 560.447697][T21043] ext4_buffered_write_iter+0xd0/0x310 [ 560.447708][T21043] ext4_file_write_iter+0x1d8/0x1390 [ 560.447718][T21043] do_iter_readv_writev+0x48c/0x6f8 [ 560.447729][T21043] vfs_writev+0x2c8/0x664 [ 560.447738][T21043] do_pwritev+0x120/0x234 [ 560.447748][T21043] __arm64_sys_pwritev2+0xd4/0x108 [ 560.447757][T21043] invoke_syscall+0x98/0x244 [ 560.447767][T21043] el0_svc_common+0xe8/0x23c [ 560.447776][T21043] do_el0_svc+0x48/0x58 [ 560.447785][T21043] el0_svc+0x60/0x25c [ 560.447795][T21043] el0t_64_sync_handler+0x48/0x148 [ 560.447803][T21043] el0t_64_sync+0x198/0x19c [ 560.480193][T21042] FAULT_INJECTION: forcing a failure. [ 560.480193][T21042] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.482366][T21042] CPU: 1 UID: 0 PID: 21042 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.482388][T21042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.482398][T21042] Call trace: [ 560.482403][T21042] show_stack+0x2c/0x3c (C) [ 560.482418][T21042] __dump_stack+0x30/0x40 [ 560.482428][T21042] dump_stack_lvl+0xd8/0x12c [ 560.482437][T21042] dump_stack+0x1c/0x28 [ 560.482446][T21042] should_fail_ex+0x414/0x588 [ 560.482456][T21042] should_fail+0x14/0x24 [ 560.482465][T21042] should_fail_usercopy+0x20/0x30 [ 560.482475][T21042] copy_folio_from_iter_atomic+0x38c/0x1450 executing program [ 560.482486][T21042] generic_perform_write+0x4c0/0x7b8 [ 560.482496][T21042] ext4_buffered_write_iter+0xd0/0x310 [ 560.482506][T21042] ext4_file_write_iter+0x1d8/0x1390 [ 560.482517][T21042] do_iter_readv_writev+0x48c/0x6f8 [ 560.482527][T21042] vfs_writev+0x2c8/0x664 [ 560.482536][T21042] do_pwritev+0x120/0x234 [ 560.482546][T21042] __arm64_sys_pwritev2+0xd4/0x108 [ 560.482555][T21042] invoke_syscall+0x98/0x244 [ 560.482565][T21042] el0_svc_common+0xe8/0x23c [ 560.482574][T21042] do_el0_svc+0x48/0x58 [ 560.482583][T21042] el0_svc+0x60/0x25c [ 560.482592][T21042] el0t_64_sync_handler+0x48/0x148 [ 560.482601][T21042] el0t_64_sync+0x198/0x19c [ 560.499714][T21041] FAULT_INJECTION: forcing a failure. [ 560.499714][T21041] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.499730][T21041] CPU: 0 UID: 0 PID: 21041 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.499739][T21041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.499748][T21041] Call trace: [ 560.499750][T21041] show_stack+0x2c/0x3c (C) [ 560.499768][T21041] __dump_stack+0x30/0x40 [ 560.499779][T21041] dump_stack_lvl+0xd8/0x12c [ 560.499788][T21041] dump_stack+0x1c/0x28 [ 560.499797][T21041] should_fail_ex+0x414/0x588 [ 560.499807][T21041] should_fail+0x14/0x24 [ 560.499816][T21041] should_fail_usercopy+0x20/0x30 [ 560.499825][T21041] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.499836][T21041] generic_perform_write+0x4c0/0x7b8 [ 560.499845][T21041] ext4_buffered_write_iter+0xd0/0x310 [ 560.499856][T21041] ext4_file_write_iter+0x1d8/0x1390 [ 560.499866][T21041] do_iter_readv_writev+0x48c/0x6f8 [ 560.499875][T21041] vfs_writev+0x2c8/0x664 [ 560.499885][T21041] do_pwritev+0x120/0x234 [ 560.499894][T21041] __arm64_sys_pwritev2+0xd4/0x108 [ 560.499903][T21041] invoke_syscall+0x98/0x244 [ 560.499913][T21041] el0_svc_common+0xe8/0x23c [ 560.499922][T21041] do_el0_svc+0x48/0x58 [ 560.499931][T21041] el0_svc+0x60/0x25c [ 560.499939][T21041] el0t_64_sync_handler+0x48/0x148 [ 560.499948][T21041] el0t_64_sync+0x198/0x19c [ 560.549013][T21046] FAULT_INJECTION: forcing a failure. [ 560.549013][T21046] name fail_usercopy, interval 1, probability 0, space 0, times 0 executing program [ 560.563155][T21046] CPU: 1 UID: 0 PID: 21046 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.563176][T21046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.563182][T21046] Call trace: [ 560.563186][T21046] show_stack+0x2c/0x3c (C) [ 560.563208][T21046] __dump_stack+0x30/0x40 [ 560.563223][T21046] dump_stack_lvl+0xd8/0x12c [ 560.563233][T21046] dump_stack+0x1c/0x28 [ 560.563242][T21046] should_fail_ex+0x414/0x588 [ 560.563253][T21046] should_fail+0x14/0x24 [ 560.563262][T21046] should_fail_usercopy+0x20/0x30 executing program [ 560.563272][T21046] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.563284][T21046] generic_perform_write+0x4c0/0x7b8 [ 560.563293][T21046] ext4_buffered_write_iter+0xd0/0x310 [ 560.563304][T21046] ext4_file_write_iter+0x1d8/0x1390 [ 560.563314][T21046] do_iter_readv_writev+0x48c/0x6f8 [ 560.563324][T21046] vfs_writev+0x2c8/0x664 [ 560.563334][T21046] do_pwritev+0x120/0x234 [ 560.563343][T21046] __arm64_sys_pwritev2+0xd4/0x108 [ 560.563353][T21046] invoke_syscall+0x98/0x244 [ 560.563362][T21046] el0_svc_common+0xe8/0x23c [ 560.563371][T21046] do_el0_svc+0x48/0x58 [ 560.563380][T21046] el0_svc+0x60/0x25c [ 560.563390][T21046] el0t_64_sync_handler+0x48/0x148 [ 560.563399][T21046] el0t_64_sync+0x198/0x19c executing program [ 560.693602][T21055] FAULT_INJECTION: forcing a failure. [ 560.693602][T21055] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.695961][T21055] CPU: 1 UID: 0 PID: 21055 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.695974][T21055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.695980][T21055] Call trace: [ 560.695983][T21055] show_stack+0x2c/0x3c (C) [ 560.696005][T21055] __dump_stack+0x30/0x40 [ 560.696018][T21055] dump_stack_lvl+0xd8/0x12c [ 560.696027][T21055] dump_stack+0x1c/0x28 [ 560.696036][T21055] should_fail_ex+0x414/0x588 [ 560.696046][T21055] should_fail+0x14/0x24 [ 560.696055][T21055] should_fail_usercopy+0x20/0x30 [ 560.696065][T21055] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.696076][T21055] generic_perform_write+0x4c0/0x7b8 [ 560.696086][T21055] ext4_buffered_write_iter+0xd0/0x310 [ 560.696097][T21055] ext4_file_write_iter+0x1d8/0x1390 [ 560.696107][T21055] do_iter_readv_writev+0x48c/0x6f8 [ 560.696117][T21055] vfs_writev+0x2c8/0x664 [ 560.696126][T21055] do_pwritev+0x120/0x234 [ 560.696136][T21055] __arm64_sys_pwritev2+0xd4/0x108 [ 560.696145][T21055] invoke_syscall+0x98/0x244 [ 560.696155][T21055] el0_svc_common+0xe8/0x23c [ 560.696164][T21055] do_el0_svc+0x48/0x58 [ 560.696173][T21055] el0_svc+0x60/0x25c [ 560.696183][T21055] el0t_64_sync_handler+0x48/0x148 [ 560.696192][T21055] el0t_64_sync+0x198/0x19c executing program [ 560.846228][T21052] FAULT_INJECTION: forcing a failure. [ 560.846228][T21052] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.846269][T21052] CPU: 0 UID: 0 PID: 21052 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.846282][T21052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.846289][T21052] Call trace: [ 560.846293][T21052] show_stack+0x2c/0x3c (C) [ 560.846311][T21052] __dump_stack+0x30/0x40 [ 560.846322][T21052] dump_stack_lvl+0xd8/0x12c [ 560.846332][T21052] dump_stack+0x1c/0x28 [ 560.846340][T21052] should_fail_ex+0x414/0x588 [ 560.846351][T21052] should_fail+0x14/0x24 [ 560.846360][T21052] should_fail_usercopy+0x20/0x30 [ 560.846370][T21052] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.846381][T21052] generic_perform_write+0x4c0/0x7b8 [ 560.846391][T21052] ext4_buffered_write_iter+0xd0/0x310 executing program [ 560.846402][T21052] ext4_file_write_iter+0x1d8/0x1390 [ 560.846413][T21052] do_iter_readv_writev+0x48c/0x6f8 [ 560.846423][T21052] vfs_writev+0x2c8/0x664 [ 560.846433][T21052] do_pwritev+0x120/0x234 [ 560.846442][T21052] __arm64_sys_pwritev2+0xd4/0x108 [ 560.846452][T21052] invoke_syscall+0x98/0x244 [ 560.846461][T21052] el0_svc_common+0xe8/0x23c [ 560.846471][T21052] do_el0_svc+0x48/0x58 [ 560.846479][T21052] el0_svc+0x60/0x25c [ 560.846489][T21052] el0t_64_sync_handler+0x48/0x148 [ 560.846498][T21052] el0t_64_sync+0x198/0x19c [ 560.883615][T21057] FAULT_INJECTION: forcing a failure. [ 560.883615][T21057] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.885898][T21057] CPU: 1 UID: 0 PID: 21057 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.885918][T21057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.885926][T21057] Call trace: [ 560.885934][T21057] show_stack+0x2c/0x3c (C) [ 560.885954][T21057] __dump_stack+0x30/0x40 [ 560.885964][T21057] dump_stack_lvl+0xd8/0x12c [ 560.885974][T21057] dump_stack+0x1c/0x28 [ 560.885982][T21057] should_fail_ex+0x414/0x588 [ 560.885993][T21057] should_fail+0x14/0x24 [ 560.886002][T21057] should_fail_usercopy+0x20/0x30 [ 560.886011][T21057] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.886023][T21057] generic_perform_write+0x4c0/0x7b8 [ 560.886032][T21057] ext4_buffered_write_iter+0xd0/0x310 [ 560.886043][T21057] ext4_file_write_iter+0x1d8/0x1390 [ 560.886053][T21057] do_iter_readv_writev+0x48c/0x6f8 [ 560.886064][T21057] vfs_writev+0x2c8/0x664 [ 560.886073][T21057] do_pwritev+0x120/0x234 [ 560.886083][T21057] __arm64_sys_pwritev2+0xd4/0x108 [ 560.886092][T21057] invoke_syscall+0x98/0x244 [ 560.886102][T21057] el0_svc_common+0xe8/0x23c [ 560.886111][T21057] do_el0_svc+0x48/0x58 [ 560.886120][T21057] el0_svc+0x60/0x25c [ 560.886130][T21057] el0t_64_sync_handler+0x48/0x148 [ 560.886139][T21057] el0t_64_sync+0x198/0x19c executing program [ 560.946617][T21053] FAULT_INJECTION: forcing a failure. [ 560.946617][T21053] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.946656][T21053] CPU: 0 UID: 0 PID: 21053 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.946669][T21053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.946677][T21053] Call trace: [ 560.946681][T21053] show_stack+0x2c/0x3c (C) [ 560.946699][T21053] __dump_stack+0x30/0x40 [ 560.946710][T21053] dump_stack_lvl+0xd8/0x12c [ 560.946719][T21053] dump_stack+0x1c/0x28 [ 560.946728][T21053] should_fail_ex+0x414/0x588 [ 560.946738][T21053] should_fail+0x14/0x24 [ 560.946754][T21053] should_fail_usercopy+0x20/0x30 [ 560.946763][T21053] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.946775][T21053] generic_perform_write+0x4c0/0x7b8 [ 560.946785][T21053] ext4_buffered_write_iter+0xd0/0x310 [ 560.946796][T21053] ext4_file_write_iter+0x1d8/0x1390 [ 560.946806][T21053] do_iter_readv_writev+0x48c/0x6f8 [ 560.946817][T21053] vfs_writev+0x2c8/0x664 [ 560.946826][T21053] do_pwritev+0x120/0x234 [ 560.946835][T21053] __arm64_sys_pwritev2+0xd4/0x108 [ 560.946845][T21053] invoke_syscall+0x98/0x244 [ 560.946855][T21053] el0_svc_common+0xe8/0x23c [ 560.946864][T21053] do_el0_svc+0x48/0x58 [ 560.946873][T21053] el0_svc+0x60/0x25c [ 560.946883][T21053] el0t_64_sync_handler+0x48/0x148 [ 560.946892][T21053] el0t_64_sync+0x198/0x19c [ 560.990977][T21048] FAULT_INJECTION: forcing a failure. [ 560.990977][T21048] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.991014][T21048] CPU: 0 UID: 0 PID: 21048 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 560.991024][T21048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 560.991030][T21048] Call trace: [ 560.991033][T21048] show_stack+0x2c/0x3c (C) [ 560.991051][T21048] __dump_stack+0x30/0x40 [ 560.991061][T21048] dump_stack_lvl+0xd8/0x12c [ 560.991070][T21048] dump_stack+0x1c/0x28 [ 560.991079][T21048] should_fail_ex+0x414/0x588 [ 560.991090][T21048] should_fail+0x14/0x24 [ 560.991099][T21048] should_fail_usercopy+0x20/0x30 [ 560.991108][T21048] copy_folio_from_iter_atomic+0x38c/0x1450 [ 560.991120][T21048] generic_perform_write+0x4c0/0x7b8 executing program [ 560.991130][T21048] ext4_buffered_write_iter+0xd0/0x310 [ 560.991141][T21048] ext4_file_write_iter+0x1d8/0x1390 [ 560.991150][T21048] do_iter_readv_writev+0x48c/0x6f8 [ 560.991161][T21048] vfs_writev+0x2c8/0x664 [ 560.991170][T21048] do_pwritev+0x120/0x234 [ 560.991179][T21048] __arm64_sys_pwritev2+0xd4/0x108 [ 560.991189][T21048] invoke_syscall+0x98/0x244 [ 560.991199][T21048] el0_svc_common+0xe8/0x23c [ 560.991208][T21048] do_el0_svc+0x48/0x58 [ 560.991217][T21048] el0_svc+0x60/0x25c [ 560.991226][T21048] el0t_64_sync_handler+0x48/0x148 [ 560.991235][T21048] el0t_64_sync+0x198/0x19c executing program [ 561.053626][T21060] FAULT_INJECTION: forcing a failure. [ 561.053626][T21060] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.056072][T21060] CPU: 1 UID: 0 PID: 21060 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.056091][T21060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.056098][T21060] Call trace: [ 561.056102][T21060] show_stack+0x2c/0x3c (C) [ 561.056121][T21060] __dump_stack+0x30/0x40 [ 561.056131][T21060] dump_stack_lvl+0xd8/0x12c [ 561.056141][T21060] dump_stack+0x1c/0x28 [ 561.056150][T21060] should_fail_ex+0x414/0x588 [ 561.056161][T21060] should_fail+0x14/0x24 [ 561.056170][T21060] should_fail_usercopy+0x20/0x30 [ 561.056179][T21060] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.056190][T21060] generic_perform_write+0x4c0/0x7b8 [ 561.056200][T21060] ext4_buffered_write_iter+0xd0/0x310 [ 561.056211][T21060] ext4_file_write_iter+0x1d8/0x1390 [ 561.056220][T21060] do_iter_readv_writev+0x48c/0x6f8 [ 561.056231][T21060] vfs_writev+0x2c8/0x664 [ 561.056240][T21060] do_pwritev+0x120/0x234 [ 561.056249][T21060] __arm64_sys_pwritev2+0xd4/0x108 [ 561.056259][T21060] invoke_syscall+0x98/0x244 [ 561.056268][T21060] el0_svc_common+0xe8/0x23c [ 561.056278][T21060] do_el0_svc+0x48/0x58 [ 561.056287][T21060] el0_svc+0x60/0x25c [ 561.056296][T21060] el0t_64_sync_handler+0x48/0x148 [ 561.056305][T21060] el0t_64_sync+0x198/0x19c executing program [ 561.203976][T21062] FAULT_INJECTION: forcing a failure. [ 561.203976][T21062] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.206378][T21062] CPU: 1 UID: 0 PID: 21062 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.206396][T21062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.206403][T21062] Call trace: [ 561.206406][T21062] show_stack+0x2c/0x3c (C) [ 561.206425][T21062] __dump_stack+0x30/0x40 [ 561.206435][T21062] dump_stack_lvl+0xd8/0x12c [ 561.206444][T21062] dump_stack+0x1c/0x28 [ 561.206453][T21062] should_fail_ex+0x414/0x588 [ 561.206463][T21062] should_fail+0x14/0x24 [ 561.206472][T21062] should_fail_usercopy+0x20/0x30 [ 561.206482][T21062] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.206494][T21062] generic_perform_write+0x4c0/0x7b8 [ 561.206503][T21062] ext4_buffered_write_iter+0xd0/0x310 [ 561.206514][T21062] ext4_file_write_iter+0x1d8/0x1390 [ 561.206524][T21062] do_iter_readv_writev+0x48c/0x6f8 [ 561.206534][T21062] vfs_writev+0x2c8/0x664 [ 561.206544][T21062] do_pwritev+0x120/0x234 [ 561.206553][T21062] __arm64_sys_pwritev2+0xd4/0x108 [ 561.206562][T21062] invoke_syscall+0x98/0x244 [ 561.206572][T21062] el0_svc_common+0xe8/0x23c [ 561.206581][T21062] do_el0_svc+0x48/0x58 [ 561.206590][T21062] el0_svc+0x60/0x25c [ 561.206600][T21062] el0t_64_sync_handler+0x48/0x148 [ 561.206609][T21062] el0t_64_sync+0x198/0x19c executing program [ 561.328231][T21065] FAULT_INJECTION: forcing a failure. [ 561.328231][T21065] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.330471][T21065] CPU: 1 UID: 0 PID: 21065 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.330491][T21065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.330500][T21065] Call trace: [ 561.330505][T21065] show_stack+0x2c/0x3c (C) [ 561.330525][T21065] __dump_stack+0x30/0x40 [ 561.330535][T21065] dump_stack_lvl+0xd8/0x12c [ 561.330545][T21065] dump_stack+0x1c/0x28 [ 561.330553][T21065] should_fail_ex+0x414/0x588 [ 561.330564][T21065] should_fail+0x14/0x24 [ 561.330573][T21065] should_fail_usercopy+0x20/0x30 [ 561.330582][T21065] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.330594][T21065] generic_perform_write+0x4c0/0x7b8 [ 561.330604][T21065] ext4_buffered_write_iter+0xd0/0x310 [ 561.330614][T21065] ext4_file_write_iter+0x1d8/0x1390 [ 561.330624][T21065] do_iter_readv_writev+0x48c/0x6f8 [ 561.330634][T21065] vfs_writev+0x2c8/0x664 [ 561.330644][T21065] do_pwritev+0x120/0x234 [ 561.330653][T21065] __arm64_sys_pwritev2+0xd4/0x108 [ 561.330662][T21065] invoke_syscall+0x98/0x244 [ 561.330672][T21065] el0_svc_common+0xe8/0x23c [ 561.330681][T21065] do_el0_svc+0x48/0x58 [ 561.330690][T21065] el0_svc+0x60/0x25c [ 561.330700][T21065] el0t_64_sync_handler+0x48/0x148 [ 561.330709][T21065] el0t_64_sync+0x198/0x19c [ 561.406917][T21054] FAULT_INJECTION: forcing a failure. [ 561.406917][T21054] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.409287][T21054] CPU: 1 UID: 0 PID: 21054 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.409301][T21054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.409308][T21054] Call trace: [ 561.409311][T21054] show_stack+0x2c/0x3c (C) [ 561.409333][T21054] __dump_stack+0x30/0x40 [ 561.409344][T21054] dump_stack_lvl+0xd8/0x12c [ 561.409353][T21054] dump_stack+0x1c/0x28 [ 561.409362][T21054] should_fail_ex+0x414/0x588 [ 561.409373][T21054] should_fail+0x14/0x24 [ 561.409382][T21054] should_fail_usercopy+0x20/0x30 [ 561.409391][T21054] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.409403][T21054] generic_perform_write+0x4c0/0x7b8 [ 561.409412][T21054] ext4_buffered_write_iter+0xd0/0x310 [ 561.409424][T21054] ext4_file_write_iter+0x1d8/0x1390 [ 561.409434][T21054] do_iter_readv_writev+0x48c/0x6f8 [ 561.409444][T21054] vfs_writev+0x2c8/0x664 [ 561.409453][T21054] do_pwritev+0x120/0x234 [ 561.409462][T21054] __arm64_sys_pwritev2+0xd4/0x108 [ 561.409472][T21054] invoke_syscall+0x98/0x244 [ 561.409481][T21054] el0_svc_common+0xe8/0x23c [ 561.409490][T21054] do_el0_svc+0x48/0x58 [ 561.409499][T21054] el0_svc+0x60/0x25c [ 561.409509][T21054] el0t_64_sync_handler+0x48/0x148 [ 561.409518][T21054] el0t_64_sync+0x198/0x19c executing program [ 561.516226][T21067] FAULT_INJECTION: forcing a failure. [ 561.516226][T21067] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.523147][T21067] CPU: 1 UID: 0 PID: 21067 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.523168][T21067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.523175][T21067] Call trace: [ 561.523178][T21067] show_stack+0x2c/0x3c (C) [ 561.523200][T21067] __dump_stack+0x30/0x40 [ 561.523213][T21067] dump_stack_lvl+0xd8/0x12c [ 561.523223][T21067] dump_stack+0x1c/0x28 [ 561.523232][T21067] should_fail_ex+0x414/0x588 [ 561.523243][T21067] should_fail+0x14/0x24 [ 561.523252][T21067] should_fail_usercopy+0x20/0x30 [ 561.523261][T21067] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.523273][T21067] generic_perform_write+0x4c0/0x7b8 [ 561.523282][T21067] ext4_buffered_write_iter+0xd0/0x310 [ 561.523293][T21067] ext4_file_write_iter+0x1d8/0x1390 [ 561.523303][T21067] do_iter_readv_writev+0x48c/0x6f8 [ 561.523313][T21067] vfs_writev+0x2c8/0x664 [ 561.523323][T21067] do_pwritev+0x120/0x234 [ 561.523332][T21067] __arm64_sys_pwritev2+0xd4/0x108 [ 561.523341][T21067] invoke_syscall+0x98/0x244 [ 561.523351][T21067] el0_svc_common+0xe8/0x23c [ 561.523360][T21067] do_el0_svc+0x48/0x58 [ 561.523369][T21067] el0_svc+0x60/0x25c [ 561.523378][T21067] el0t_64_sync_handler+0x48/0x148 [ 561.523387][T21067] el0t_64_sync+0x198/0x19c executing program [ 561.621239][T21064] FAULT_INJECTION: forcing a failure. [ 561.621239][T21064] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.621281][T21064] CPU: 0 UID: 0 PID: 21064 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.621293][T21064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.621301][T21064] Call trace: [ 561.621305][T21064] show_stack+0x2c/0x3c (C) [ 561.621326][T21064] __dump_stack+0x30/0x40 [ 561.621337][T21064] dump_stack_lvl+0xd8/0x12c [ 561.621346][T21064] dump_stack+0x1c/0x28 [ 561.621355][T21064] should_fail_ex+0x414/0x588 [ 561.621366][T21064] should_fail+0x14/0x24 [ 561.621375][T21064] should_fail_usercopy+0x20/0x30 [ 561.621385][T21064] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.621397][T21064] generic_perform_write+0x4c0/0x7b8 [ 561.621406][T21064] ext4_buffered_write_iter+0xd0/0x310 [ 561.621418][T21064] ext4_file_write_iter+0x1d8/0x1390 executing program [ 561.621428][T21064] do_iter_readv_writev+0x48c/0x6f8 [ 561.621438][T21064] vfs_writev+0x2c8/0x664 [ 561.621447][T21064] do_pwritev+0x120/0x234 [ 561.621457][T21064] __arm64_sys_pwritev2+0xd4/0x108 [ 561.621466][T21064] invoke_syscall+0x98/0x244 [ 561.621476][T21064] el0_svc_common+0xe8/0x23c [ 561.621485][T21064] do_el0_svc+0x48/0x58 [ 561.621494][T21064] el0_svc+0x60/0x25c [ 561.621503][T21064] el0t_64_sync_handler+0x48/0x148 [ 561.621512][T21064] el0t_64_sync+0x198/0x19c [ 561.658340][T21071] FAULT_INJECTION: forcing a failure. [ 561.658340][T21071] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.658378][T21071] CPU: 0 UID: 0 PID: 21071 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.658391][T21071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.658398][T21071] Call trace: [ 561.658403][T21071] show_stack+0x2c/0x3c (C) [ 561.658422][T21071] __dump_stack+0x30/0x40 [ 561.658435][T21071] dump_stack_lvl+0xd8/0x12c [ 561.658444][T21071] dump_stack+0x1c/0x28 [ 561.658453][T21071] should_fail_ex+0x414/0x588 [ 561.658463][T21071] should_fail+0x14/0x24 [ 561.658472][T21071] should_fail_usercopy+0x20/0x30 [ 561.658482][T21071] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.658494][T21071] generic_perform_write+0x4c0/0x7b8 [ 561.658503][T21071] ext4_buffered_write_iter+0xd0/0x310 [ 561.658514][T21071] ext4_file_write_iter+0x1d8/0x1390 [ 561.658524][T21071] do_iter_readv_writev+0x48c/0x6f8 [ 561.658535][T21071] vfs_writev+0x2c8/0x664 [ 561.658544][T21071] do_pwritev+0x120/0x234 [ 561.658553][T21071] __arm64_sys_pwritev2+0xd4/0x108 [ 561.658563][T21071] invoke_syscall+0x98/0x244 [ 561.658572][T21071] el0_svc_common+0xe8/0x23c [ 561.658582][T21071] do_el0_svc+0x48/0x58 [ 561.658591][T21071] el0_svc+0x60/0x25c [ 561.658600][T21071] el0t_64_sync_handler+0x48/0x148 [ 561.658609][T21071] el0t_64_sync+0x198/0x19c executing program executing program [ 561.801328][T21077] FAULT_INJECTION: forcing a failure. [ 561.801328][T21077] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.813150][T21077] CPU: 1 UID: 0 PID: 21077 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.813173][T21077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.813179][T21077] Call trace: [ 561.813184][T21077] show_stack+0x2c/0x3c (C) [ 561.813206][T21077] __dump_stack+0x30/0x40 [ 561.813220][T21077] dump_stack_lvl+0xd8/0x12c [ 561.813230][T21077] dump_stack+0x1c/0x28 [ 561.813239][T21077] should_fail_ex+0x414/0x588 [ 561.813249][T21077] should_fail+0x14/0x24 [ 561.813258][T21077] should_fail_usercopy+0x20/0x30 [ 561.813268][T21077] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.813280][T21077] generic_perform_write+0x4c0/0x7b8 [ 561.813289][T21077] ext4_buffered_write_iter+0xd0/0x310 [ 561.813300][T21077] ext4_file_write_iter+0x1d8/0x1390 [ 561.813310][T21077] do_iter_readv_writev+0x48c/0x6f8 [ 561.813320][T21077] vfs_writev+0x2c8/0x664 [ 561.813329][T21077] do_pwritev+0x120/0x234 [ 561.813339][T21077] __arm64_sys_pwritev2+0xd4/0x108 [ 561.813348][T21077] invoke_syscall+0x98/0x244 [ 561.813357][T21077] el0_svc_common+0xe8/0x23c [ 561.813366][T21077] do_el0_svc+0x48/0x58 [ 561.813375][T21077] el0_svc+0x60/0x25c [ 561.813385][T21077] el0t_64_sync_handler+0x48/0x148 [ 561.813393][T21077] el0t_64_sync+0x198/0x19c [ 561.837525][T21073] FAULT_INJECTION: forcing a failure. [ 561.837525][T21073] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.837565][T21073] CPU: 0 UID: 0 PID: 21073 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.837582][T21073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.837591][T21073] Call trace: [ 561.837594][T21073] show_stack+0x2c/0x3c (C) [ 561.837615][T21073] __dump_stack+0x30/0x40 [ 561.837625][T21073] dump_stack_lvl+0xd8/0x12c [ 561.837634][T21073] dump_stack+0x1c/0x28 [ 561.837643][T21073] should_fail_ex+0x414/0x588 [ 561.837653][T21073] should_fail+0x14/0x24 [ 561.837662][T21073] should_fail_usercopy+0x20/0x30 [ 561.837672][T21073] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.837683][T21073] generic_perform_write+0x4c0/0x7b8 [ 561.837692][T21073] ext4_buffered_write_iter+0xd0/0x310 [ 561.837703][T21073] ext4_file_write_iter+0x1d8/0x1390 [ 561.837713][T21073] do_iter_readv_writev+0x48c/0x6f8 [ 561.837723][T21073] vfs_writev+0x2c8/0x664 [ 561.837732][T21073] do_pwritev+0x120/0x234 [ 561.837741][T21073] __arm64_sys_pwritev2+0xd4/0x108 [ 561.837756][T21073] invoke_syscall+0x98/0x244 [ 561.837766][T21073] el0_svc_common+0xe8/0x23c [ 561.837775][T21073] do_el0_svc+0x48/0x58 executing program [ 561.837784][T21073] el0_svc+0x60/0x25c [ 561.837793][T21073] el0t_64_sync_handler+0x48/0x148 [ 561.837801][T21073] el0t_64_sync+0x198/0x19c executing program [ 561.985655][T21082] FAULT_INJECTION: forcing a failure. [ 561.985655][T21082] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 561.988081][T21082] CPU: 1 UID: 0 PID: 21082 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 561.988101][T21082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 561.988111][T21082] Call trace: [ 561.988116][T21082] show_stack+0x2c/0x3c (C) [ 561.988137][T21082] __dump_stack+0x30/0x40 [ 561.988147][T21082] dump_stack_lvl+0xd8/0x12c [ 561.988157][T21082] dump_stack+0x1c/0x28 [ 561.988166][T21082] should_fail_ex+0x414/0x588 [ 561.988176][T21082] should_fail+0x14/0x24 [ 561.988186][T21082] should_fail_usercopy+0x20/0x30 [ 561.988195][T21082] copy_folio_from_iter_atomic+0x38c/0x1450 [ 561.988207][T21082] generic_perform_write+0x4c0/0x7b8 [ 561.988217][T21082] ext4_buffered_write_iter+0xd0/0x310 [ 561.988228][T21082] ext4_file_write_iter+0x1d8/0x1390 [ 561.988238][T21082] do_iter_readv_writev+0x48c/0x6f8 [ 561.988249][T21082] vfs_writev+0x2c8/0x664 [ 561.988258][T21082] do_pwritev+0x120/0x234 [ 561.988267][T21082] __arm64_sys_pwritev2+0xd4/0x108 [ 561.988277][T21082] invoke_syscall+0x98/0x244 [ 561.988286][T21082] el0_svc_common+0xe8/0x23c [ 561.988295][T21082] do_el0_svc+0x48/0x58 [ 561.988305][T21082] el0_svc+0x60/0x25c [ 561.988314][T21082] el0t_64_sync_handler+0x48/0x148 [ 561.988323][T21082] el0t_64_sync+0x198/0x19c executing program [ 562.082948][T21079] FAULT_INJECTION: forcing a failure. [ 562.082948][T21079] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.086151][T21079] CPU: 1 UID: 0 PID: 21079 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.086170][T21079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.086176][T21079] Call trace: [ 562.086181][T21079] show_stack+0x2c/0x3c (C) [ 562.086201][T21079] __dump_stack+0x30/0x40 [ 562.086212][T21079] dump_stack_lvl+0xd8/0x12c [ 562.086222][T21079] dump_stack+0x1c/0x28 [ 562.086231][T21079] should_fail_ex+0x414/0x588 [ 562.086242][T21079] should_fail+0x14/0x24 [ 562.086251][T21079] should_fail_usercopy+0x20/0x30 [ 562.086261][T21079] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.086272][T21079] generic_perform_write+0x4c0/0x7b8 [ 562.086282][T21079] ext4_buffered_write_iter+0xd0/0x310 [ 562.086293][T21079] ext4_file_write_iter+0x1d8/0x1390 [ 562.086303][T21079] do_iter_readv_writev+0x48c/0x6f8 [ 562.086313][T21079] vfs_writev+0x2c8/0x664 [ 562.086323][T21079] do_pwritev+0x120/0x234 [ 562.086332][T21079] __arm64_sys_pwritev2+0xd4/0x108 [ 562.086341][T21079] invoke_syscall+0x98/0x244 [ 562.086351][T21079] el0_svc_common+0xe8/0x23c [ 562.086360][T21079] do_el0_svc+0x48/0x58 [ 562.086369][T21079] el0_svc+0x60/0x25c [ 562.086379][T21079] el0t_64_sync_handler+0x48/0x148 [ 562.086387][T21079] el0t_64_sync+0x198/0x19c executing program [ 562.173568][T21083] FAULT_INJECTION: forcing a failure. [ 562.173568][T21083] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.175833][T21083] CPU: 1 UID: 0 PID: 21083 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.175856][T21083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.175867][T21083] Call trace: [ 562.175872][T21083] show_stack+0x2c/0x3c (C) [ 562.175895][T21083] __dump_stack+0x30/0x40 [ 562.175906][T21083] dump_stack_lvl+0xd8/0x12c [ 562.175916][T21083] dump_stack+0x1c/0x28 [ 562.175924][T21083] should_fail_ex+0x414/0x588 [ 562.175938][T21083] should_fail+0x14/0x24 [ 562.175948][T21083] should_fail_usercopy+0x20/0x30 [ 562.175958][T21083] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.175969][T21083] generic_perform_write+0x4c0/0x7b8 [ 562.175979][T21083] ext4_buffered_write_iter+0xd0/0x310 [ 562.175990][T21083] ext4_file_write_iter+0x1d8/0x1390 [ 562.176000][T21083] do_iter_readv_writev+0x48c/0x6f8 [ 562.176010][T21083] vfs_writev+0x2c8/0x664 [ 562.176020][T21083] do_pwritev+0x120/0x234 [ 562.176029][T21083] __arm64_sys_pwritev2+0xd4/0x108 [ 562.176039][T21083] invoke_syscall+0x98/0x244 [ 562.176048][T21083] el0_svc_common+0xe8/0x23c [ 562.176057][T21083] do_el0_svc+0x48/0x58 [ 562.176066][T21083] el0_svc+0x60/0x25c [ 562.176076][T21083] el0t_64_sync_handler+0x48/0x148 [ 562.176084][T21083] el0t_64_sync+0x198/0x19c [ 562.197675][T21078] FAULT_INJECTION: forcing a failure. [ 562.197675][T21078] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.200064][T21078] CPU: 1 UID: 0 PID: 21078 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.200086][T21078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.200091][T21078] Call trace: [ 562.200094][T21078] show_stack+0x2c/0x3c (C) [ 562.200107][T21078] __dump_stack+0x30/0x40 [ 562.200116][T21078] dump_stack_lvl+0xd8/0x12c [ 562.200125][T21078] dump_stack+0x1c/0x28 [ 562.200134][T21078] should_fail_ex+0x414/0x588 [ 562.200143][T21078] should_fail+0x14/0x24 [ 562.200152][T21078] should_fail_usercopy+0x20/0x30 [ 562.200162][T21078] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.200173][T21078] generic_perform_write+0x4c0/0x7b8 [ 562.200182][T21078] ext4_buffered_write_iter+0xd0/0x310 [ 562.200193][T21078] ext4_file_write_iter+0x1d8/0x1390 [ 562.200203][T21078] do_iter_readv_writev+0x48c/0x6f8 [ 562.200213][T21078] vfs_writev+0x2c8/0x664 [ 562.200222][T21078] do_pwritev+0x120/0x234 [ 562.200232][T21078] __arm64_sys_pwritev2+0xd4/0x108 [ 562.200241][T21078] invoke_syscall+0x98/0x244 [ 562.200250][T21078] el0_svc_common+0xe8/0x23c [ 562.200259][T21078] do_el0_svc+0x48/0x58 [ 562.200268][T21078] el0_svc+0x60/0x25c [ 562.200277][T21078] el0t_64_sync_handler+0x48/0x148 [ 562.200285][T21078] el0t_64_sync+0x198/0x19c executing program executing program [ 562.304415][T21075] FAULT_INJECTION: forcing a failure. [ 562.304415][T21075] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.304454][T21075] CPU: 0 UID: 0 PID: 21075 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.304469][T21075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.304475][T21075] Call trace: [ 562.304478][T21075] show_stack+0x2c/0x3c (C) [ 562.304497][T21075] __dump_stack+0x30/0x40 [ 562.304507][T21075] dump_stack_lvl+0xd8/0x12c [ 562.304516][T21075] dump_stack+0x1c/0x28 [ 562.304525][T21075] should_fail_ex+0x414/0x588 [ 562.304536][T21075] should_fail+0x14/0x24 [ 562.304545][T21075] should_fail_usercopy+0x20/0x30 [ 562.304554][T21075] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.304567][T21075] generic_perform_write+0x4c0/0x7b8 [ 562.304576][T21075] ext4_buffered_write_iter+0xd0/0x310 [ 562.304588][T21075] ext4_file_write_iter+0x1d8/0x1390 [ 562.304598][T21075] do_iter_readv_writev+0x48c/0x6f8 [ 562.304608][T21075] vfs_writev+0x2c8/0x664 [ 562.304617][T21075] do_pwritev+0x120/0x234 [ 562.304626][T21075] __arm64_sys_pwritev2+0xd4/0x108 [ 562.304636][T21075] invoke_syscall+0x98/0x244 [ 562.304645][T21075] el0_svc_common+0xe8/0x23c [ 562.304654][T21075] do_el0_svc+0x48/0x58 [ 562.304663][T21075] el0_svc+0x60/0x25c [ 562.304673][T21075] el0t_64_sync_handler+0x48/0x148 [ 562.304681][T21075] el0t_64_sync+0x198/0x19c executing program [ 562.444248][T21090] FAULT_INJECTION: forcing a failure. [ 562.444248][T21090] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.444288][T21090] CPU: 0 UID: 0 PID: 21090 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.444302][T21090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.444309][T21090] Call trace: [ 562.444314][T21090] show_stack+0x2c/0x3c (C) [ 562.444331][T21090] __dump_stack+0x30/0x40 [ 562.444341][T21090] dump_stack_lvl+0xd8/0x12c [ 562.444350][T21090] dump_stack+0x1c/0x28 [ 562.444359][T21090] should_fail_ex+0x414/0x588 [ 562.444369][T21090] should_fail+0x14/0x24 [ 562.444378][T21090] should_fail_usercopy+0x20/0x30 [ 562.444388][T21090] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.444400][T21090] generic_perform_write+0x4c0/0x7b8 [ 562.444410][T21090] ext4_buffered_write_iter+0xd0/0x310 [ 562.444421][T21090] ext4_file_write_iter+0x1d8/0x1390 [ 562.444431][T21090] do_iter_readv_writev+0x48c/0x6f8 [ 562.444441][T21090] vfs_writev+0x2c8/0x664 [ 562.444451][T21090] do_pwritev+0x120/0x234 [ 562.444460][T21090] __arm64_sys_pwritev2+0xd4/0x108 [ 562.444469][T21090] invoke_syscall+0x98/0x244 [ 562.444479][T21090] el0_svc_common+0xe8/0x23c [ 562.444488][T21090] do_el0_svc+0x48/0x58 [ 562.444497][T21090] el0_svc+0x60/0x25c [ 562.444506][T21090] el0t_64_sync_handler+0x48/0x148 [ 562.444515][T21090] el0t_64_sync+0x198/0x19c [ 562.474094][T21087] FAULT_INJECTION: forcing a failure. [ 562.474094][T21087] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.474131][T21087] CPU: 0 UID: 0 PID: 21087 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.474143][T21087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.474150][T21087] Call trace: [ 562.474154][T21087] show_stack+0x2c/0x3c (C) [ 562.474169][T21087] __dump_stack+0x30/0x40 [ 562.474179][T21087] dump_stack_lvl+0xd8/0x12c [ 562.474188][T21087] dump_stack+0x1c/0x28 [ 562.474196][T21087] should_fail_ex+0x414/0x588 [ 562.474207][T21087] should_fail+0x14/0x24 [ 562.474216][T21087] should_fail_usercopy+0x20/0x30 [ 562.474225][T21087] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.474237][T21087] generic_perform_write+0x4c0/0x7b8 [ 562.474246][T21087] ext4_buffered_write_iter+0xd0/0x310 [ 562.474256][T21087] ext4_file_write_iter+0x1d8/0x1390 [ 562.474266][T21087] do_iter_readv_writev+0x48c/0x6f8 [ 562.474276][T21087] vfs_writev+0x2c8/0x664 [ 562.474285][T21087] do_pwritev+0x120/0x234 [ 562.474295][T21087] __arm64_sys_pwritev2+0xd4/0x108 [ 562.474304][T21087] invoke_syscall+0x98/0x244 [ 562.474313][T21087] el0_svc_common+0xe8/0x23c [ 562.474322][T21087] do_el0_svc+0x48/0x58 [ 562.474331][T21087] el0_svc+0x60/0x25c [ 562.474340][T21087] el0t_64_sync_handler+0x48/0x148 [ 562.474349][T21087] el0t_64_sync+0x198/0x19c executing program executing program [ 562.520793][T21092] FAULT_INJECTION: forcing a failure. [ 562.520793][T21092] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.523063][T21092] CPU: 1 UID: 0 PID: 21092 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.523083][T21092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.523089][T21092] Call trace: [ 562.523093][T21092] show_stack+0x2c/0x3c (C) [ 562.523115][T21092] __dump_stack+0x30/0x40 [ 562.523125][T21092] dump_stack_lvl+0xd8/0x12c [ 562.523134][T21092] dump_stack+0x1c/0x28 [ 562.523143][T21092] should_fail_ex+0x414/0x588 [ 562.523154][T21092] should_fail+0x14/0x24 [ 562.523163][T21092] should_fail_usercopy+0x20/0x30 [ 562.523172][T21092] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.523184][T21092] generic_perform_write+0x4c0/0x7b8 [ 562.523193][T21092] ext4_buffered_write_iter+0xd0/0x310 [ 562.523204][T21092] ext4_file_write_iter+0x1d8/0x1390 [ 562.523214][T21092] do_iter_readv_writev+0x48c/0x6f8 [ 562.523224][T21092] vfs_writev+0x2c8/0x664 [ 562.523234][T21092] do_pwritev+0x120/0x234 [ 562.523243][T21092] __arm64_sys_pwritev2+0xd4/0x108 [ 562.523253][T21092] invoke_syscall+0x98/0x244 [ 562.523263][T21092] el0_svc_common+0xe8/0x23c [ 562.523272][T21092] do_el0_svc+0x48/0x58 [ 562.523281][T21092] el0_svc+0x60/0x25c [ 562.523290][T21092] el0t_64_sync_handler+0x48/0x148 [ 562.523299][T21092] el0t_64_sync+0x198/0x19c executing program [ 562.650308][T21095] FAULT_INJECTION: forcing a failure. [ 562.650308][T21095] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.652704][T21095] CPU: 1 UID: 0 PID: 21095 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.652724][T21095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.652730][T21095] Call trace: [ 562.652733][T21095] show_stack+0x2c/0x3c (C) [ 562.652751][T21095] __dump_stack+0x30/0x40 [ 562.652761][T21095] dump_stack_lvl+0xd8/0x12c [ 562.652770][T21095] dump_stack+0x1c/0x28 [ 562.652779][T21095] should_fail_ex+0x414/0x588 [ 562.652789][T21095] should_fail+0x14/0x24 [ 562.652798][T21095] should_fail_usercopy+0x20/0x30 [ 562.652808][T21095] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.652819][T21095] generic_perform_write+0x4c0/0x7b8 [ 562.652829][T21095] ext4_buffered_write_iter+0xd0/0x310 [ 562.652840][T21095] ext4_file_write_iter+0x1d8/0x1390 [ 562.652849][T21095] do_iter_readv_writev+0x48c/0x6f8 [ 562.652860][T21095] vfs_writev+0x2c8/0x664 [ 562.652869][T21095] do_pwritev+0x120/0x234 [ 562.652878][T21095] __arm64_sys_pwritev2+0xd4/0x108 [ 562.652887][T21095] invoke_syscall+0x98/0x244 [ 562.652897][T21095] el0_svc_common+0xe8/0x23c [ 562.652906][T21095] do_el0_svc+0x48/0x58 [ 562.652915][T21095] el0_svc+0x60/0x25c [ 562.652924][T21095] el0t_64_sync_handler+0x48/0x148 [ 562.652936][T21095] el0t_64_sync+0x198/0x19c executing program [ 562.722995][T21091] FAULT_INJECTION: forcing a failure. [ 562.722995][T21091] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.723033][T21091] CPU: 0 UID: 0 PID: 21091 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.723046][T21091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.723051][T21091] Call trace: [ 562.723055][T21091] show_stack+0x2c/0x3c (C) [ 562.723073][T21091] __dump_stack+0x30/0x40 [ 562.723084][T21091] dump_stack_lvl+0xd8/0x12c [ 562.723093][T21091] dump_stack+0x1c/0x28 [ 562.723102][T21091] should_fail_ex+0x414/0x588 [ 562.723116][T21091] should_fail+0x14/0x24 [ 562.723126][T21091] should_fail_usercopy+0x20/0x30 [ 562.723135][T21091] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.723147][T21091] generic_perform_write+0x4c0/0x7b8 [ 562.723157][T21091] ext4_buffered_write_iter+0xd0/0x310 [ 562.723168][T21091] ext4_file_write_iter+0x1d8/0x1390 [ 562.723178][T21091] do_iter_readv_writev+0x48c/0x6f8 [ 562.723189][T21091] vfs_writev+0x2c8/0x664 [ 562.723198][T21091] do_pwritev+0x120/0x234 [ 562.723208][T21091] __arm64_sys_pwritev2+0xd4/0x108 [ 562.723217][T21091] invoke_syscall+0x98/0x244 [ 562.723227][T21091] el0_svc_common+0xe8/0x23c [ 562.723236][T21091] do_el0_svc+0x48/0x58 [ 562.723245][T21091] el0_svc+0x60/0x25c [ 562.723254][T21091] el0t_64_sync_handler+0x48/0x148 [ 562.723263][T21091] el0t_64_sync+0x198/0x19c [ 562.757573][T21088] FAULT_INJECTION: forcing a failure. [ 562.757573][T21088] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.757688][T21088] CPU: 0 UID: 0 PID: 21088 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.757703][T21088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.757711][T21088] Call trace: [ 562.757715][T21088] show_stack+0x2c/0x3c (C) [ 562.757730][T21088] __dump_stack+0x30/0x40 [ 562.757740][T21088] dump_stack_lvl+0xd8/0x12c [ 562.757755][T21088] dump_stack+0x1c/0x28 [ 562.757764][T21088] should_fail_ex+0x414/0x588 [ 562.757774][T21088] should_fail+0x14/0x24 [ 562.757784][T21088] should_fail_usercopy+0x20/0x30 [ 562.757793][T21088] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.757805][T21088] generic_perform_write+0x4c0/0x7b8 [ 562.757814][T21088] ext4_buffered_write_iter+0xd0/0x310 [ 562.757825][T21088] ext4_file_write_iter+0x1d8/0x1390 [ 562.757835][T21088] do_iter_readv_writev+0x48c/0x6f8 [ 562.757845][T21088] vfs_writev+0x2c8/0x664 [ 562.757854][T21088] do_pwritev+0x120/0x234 [ 562.757863][T21088] __arm64_sys_pwritev2+0xd4/0x108 [ 562.757873][T21088] invoke_syscall+0x98/0x244 [ 562.757882][T21088] el0_svc_common+0xe8/0x23c [ 562.757891][T21088] do_el0_svc+0x48/0x58 [ 562.757900][T21088] el0_svc+0x60/0x25c [ 562.757909][T21088] el0t_64_sync_handler+0x48/0x148 [ 562.757917][T21088] el0t_64_sync+0x198/0x19c executing program executing program [ 562.932266][T21103] FAULT_INJECTION: forcing a failure. [ 562.932266][T21103] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.941644][T21103] CPU: 1 UID: 0 PID: 21103 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.941659][T21103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.941666][T21103] Call trace: [ 562.941670][T21103] show_stack+0x2c/0x3c (C) [ 562.941694][T21103] __dump_stack+0x30/0x40 [ 562.941709][T21103] dump_stack_lvl+0xd8/0x12c [ 562.941719][T21103] dump_stack+0x1c/0x28 [ 562.941727][T21103] should_fail_ex+0x414/0x588 [ 562.941739][T21103] should_fail+0x14/0x24 [ 562.941748][T21103] should_fail_usercopy+0x20/0x30 [ 562.941758][T21103] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.941770][T21103] generic_perform_write+0x4c0/0x7b8 [ 562.941780][T21103] ext4_buffered_write_iter+0xd0/0x310 [ 562.941791][T21103] ext4_file_write_iter+0x1d8/0x1390 [ 562.941801][T21103] do_iter_readv_writev+0x48c/0x6f8 [ 562.941811][T21103] vfs_writev+0x2c8/0x664 [ 562.941820][T21103] do_pwritev+0x120/0x234 [ 562.941830][T21103] __arm64_sys_pwritev2+0xd4/0x108 [ 562.941839][T21103] invoke_syscall+0x98/0x244 [ 562.941849][T21103] el0_svc_common+0xe8/0x23c [ 562.941858][T21103] do_el0_svc+0x48/0x58 [ 562.941867][T21103] el0_svc+0x60/0x25c [ 562.941876][T21103] el0t_64_sync_handler+0x48/0x148 [ 562.941885][T21103] el0t_64_sync+0x198/0x19c [ 562.964631][T21098] set_capacity_and_notify: 46 callbacks suppressed [ 562.964661][T21098] loop0: detected capacity change from 0 to 32768 [ 562.988716][T21096] FAULT_INJECTION: forcing a failure. [ 562.988716][T21096] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.991044][T21096] CPU: 1 UID: 0 PID: 21096 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 562.991063][T21096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 562.991069][T21096] Call trace: [ 562.991073][T21096] show_stack+0x2c/0x3c (C) [ 562.991092][T21096] __dump_stack+0x30/0x40 [ 562.991103][T21096] dump_stack_lvl+0xd8/0x12c [ 562.991112][T21096] dump_stack+0x1c/0x28 [ 562.991121][T21096] should_fail_ex+0x414/0x588 [ 562.991132][T21096] should_fail+0x14/0x24 [ 562.991141][T21096] should_fail_usercopy+0x20/0x30 [ 562.991151][T21096] copy_folio_from_iter_atomic+0x38c/0x1450 [ 562.991163][T21096] generic_perform_write+0x4c0/0x7b8 [ 562.991173][T21096] ext4_buffered_write_iter+0xd0/0x310 [ 562.991185][T21096] ext4_file_write_iter+0x1d8/0x1390 [ 562.991195][T21096] do_iter_readv_writev+0x48c/0x6f8 [ 562.991205][T21096] vfs_writev+0x2c8/0x664 [ 562.991215][T21096] do_pwritev+0x120/0x234 [ 562.991225][T21096] __arm64_sys_pwritev2+0xd4/0x108 [ 562.991234][T21096] invoke_syscall+0x98/0x244 [ 562.991244][T21096] el0_svc_common+0xe8/0x23c [ 562.991253][T21096] do_el0_svc+0x48/0x58 [ 562.991262][T21096] el0_svc+0x60/0x25c [ 562.991273][T21096] el0t_64_sync_handler+0x48/0x148 [ 562.991281][T21096] el0t_64_sync+0x198/0x19c [ 562.996761][T21101] loop2: detected capacity change from 0 to 32768 executing program executing program [ 563.048141][T21101] FAULT_INJECTION: forcing a failure. [ 563.048141][T21101] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.048178][T21101] CPU: 0 UID: 0 PID: 21101 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.048191][T21101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.048198][T21101] Call trace: [ 563.048201][T21101] show_stack+0x2c/0x3c (C) [ 563.048216][T21101] __dump_stack+0x30/0x40 [ 563.048226][T21101] dump_stack_lvl+0xd8/0x12c [ 563.048235][T21101] dump_stack+0x1c/0x28 [ 563.048244][T21101] should_fail_ex+0x414/0x588 [ 563.048254][T21101] should_fail+0x14/0x24 [ 563.048263][T21101] should_fail_usercopy+0x20/0x30 [ 563.048273][T21101] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.048285][T21101] generic_perform_write+0x4c0/0x7b8 [ 563.048294][T21101] ext4_buffered_write_iter+0xd0/0x310 [ 563.048305][T21101] ext4_file_write_iter+0x1d8/0x1390 [ 563.048315][T21101] do_iter_readv_writev+0x48c/0x6f8 [ 563.048325][T21101] vfs_writev+0x2c8/0x664 [ 563.048335][T21101] do_pwritev+0x120/0x234 [ 563.048344][T21101] __arm64_sys_pwritev2+0xd4/0x108 [ 563.048353][T21101] invoke_syscall+0x98/0x244 [ 563.048363][T21101] el0_svc_common+0xe8/0x23c [ 563.048372][T21101] do_el0_svc+0x48/0x58 [ 563.048381][T21101] el0_svc+0x60/0x25c [ 563.048390][T21101] el0t_64_sync_handler+0x48/0x148 [ 563.048399][T21101] el0t_64_sync+0x198/0x19c executing program [ 563.129348][T21109] loop4: detected capacity change from 0 to 32768 [ 563.151852][T21109] FAULT_INJECTION: forcing a failure. [ 563.151852][T21109] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.151887][T21109] CPU: 0 UID: 0 PID: 21109 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.151900][T21109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.151905][T21109] Call trace: [ 563.151908][T21109] show_stack+0x2c/0x3c (C) [ 563.151925][T21109] __dump_stack+0x30/0x40 [ 563.151935][T21109] dump_stack_lvl+0xd8/0x12c [ 563.151944][T21109] dump_stack+0x1c/0x28 [ 563.151953][T21109] should_fail_ex+0x414/0x588 [ 563.151964][T21109] should_fail+0x14/0x24 [ 563.151973][T21109] should_fail_usercopy+0x20/0x30 [ 563.151983][T21109] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.151995][T21109] generic_perform_write+0x4c0/0x7b8 executing program [ 563.152005][T21109] ext4_buffered_write_iter+0xd0/0x310 [ 563.152016][T21109] ext4_file_write_iter+0x1d8/0x1390 [ 563.152026][T21109] do_iter_readv_writev+0x48c/0x6f8 [ 563.152036][T21109] vfs_writev+0x2c8/0x664 [ 563.152046][T21109] do_pwritev+0x120/0x234 [ 563.152055][T21109] __arm64_sys_pwritev2+0xd4/0x108 [ 563.152064][T21109] invoke_syscall+0x98/0x244 [ 563.152074][T21109] el0_svc_common+0xe8/0x23c [ 563.152083][T21109] do_el0_svc+0x48/0x58 [ 563.152092][T21109] el0_svc+0x60/0x25c [ 563.152102][T21109] el0t_64_sync_handler+0x48/0x148 [ 563.152110][T21109] el0t_64_sync+0x198/0x19c [ 563.198401][T21098] FAULT_INJECTION: forcing a failure. [ 563.198401][T21098] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.198443][T21098] CPU: 0 UID: 0 PID: 21098 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.198456][T21098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.198464][T21098] Call trace: [ 563.198468][T21098] show_stack+0x2c/0x3c (C) [ 563.198485][T21098] __dump_stack+0x30/0x40 [ 563.198495][T21098] dump_stack_lvl+0xd8/0x12c [ 563.198505][T21098] dump_stack+0x1c/0x28 [ 563.198513][T21098] should_fail_ex+0x414/0x588 [ 563.198524][T21098] should_fail+0x14/0x24 [ 563.198533][T21098] should_fail_usercopy+0x20/0x30 [ 563.198543][T21098] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.198554][T21098] generic_perform_write+0x4c0/0x7b8 [ 563.198564][T21098] ext4_buffered_write_iter+0xd0/0x310 executing program [ 563.198574][T21098] ext4_file_write_iter+0x1d8/0x1390 [ 563.198584][T21098] do_iter_readv_writev+0x48c/0x6f8 [ 563.198594][T21098] vfs_writev+0x2c8/0x664 [ 563.198603][T21098] do_pwritev+0x120/0x234 [ 563.198613][T21098] __arm64_sys_pwritev2+0xd4/0x108 [ 563.198622][T21098] invoke_syscall+0x98/0x244 [ 563.198632][T21098] el0_svc_common+0xe8/0x23c [ 563.198641][T21098] do_el0_svc+0x48/0x58 [ 563.198650][T21098] el0_svc+0x60/0x25c [ 563.198660][T21098] el0t_64_sync_handler+0x48/0x148 [ 563.198668][T21098] el0t_64_sync+0x198/0x19c [ 563.247237][T21110] loop3: detected capacity change from 0 to 32768 [ 563.271675][T21110] FAULT_INJECTION: forcing a failure. [ 563.271675][T21110] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.284936][T21110] CPU: 0 UID: 0 PID: 21110 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.284957][T21110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.284963][T21110] Call trace: [ 563.284968][T21110] show_stack+0x2c/0x3c (C) [ 563.284989][T21110] __dump_stack+0x30/0x40 [ 563.285003][T21110] dump_stack_lvl+0xd8/0x12c [ 563.285013][T21110] dump_stack+0x1c/0x28 [ 563.285022][T21110] should_fail_ex+0x414/0x588 [ 563.285033][T21110] should_fail+0x14/0x24 [ 563.285042][T21110] should_fail_usercopy+0x20/0x30 [ 563.285052][T21110] copy_folio_from_iter_atomic+0x38c/0x1450 executing program [ 563.285063][T21110] generic_perform_write+0x4c0/0x7b8 [ 563.285073][T21110] ext4_buffered_write_iter+0xd0/0x310 [ 563.285084][T21110] ext4_file_write_iter+0x1d8/0x1390 [ 563.285094][T21110] do_iter_readv_writev+0x48c/0x6f8 [ 563.285104][T21110] vfs_writev+0x2c8/0x664 [ 563.285113][T21110] do_pwritev+0x120/0x234 [ 563.285122][T21110] __arm64_sys_pwritev2+0xd4/0x108 [ 563.285132][T21110] invoke_syscall+0x98/0x244 [ 563.285141][T21110] el0_svc_common+0xe8/0x23c [ 563.285151][T21110] do_el0_svc+0x48/0x58 [ 563.285159][T21110] el0_svc+0x60/0x25c [ 563.285169][T21110] el0t_64_sync_handler+0x48/0x148 [ 563.285178][T21110] el0t_64_sync+0x198/0x19c [ 563.335308][T21111] loop2: detected capacity change from 0 to 32768 [ 563.353901][T21111] FAULT_INJECTION: forcing a failure. [ 563.353901][T21111] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.353936][T21111] CPU: 0 UID: 0 PID: 21111 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.353948][T21111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.353954][T21111] Call trace: [ 563.353957][T21111] show_stack+0x2c/0x3c (C) [ 563.353976][T21111] __dump_stack+0x30/0x40 [ 563.353986][T21111] dump_stack_lvl+0xd8/0x12c [ 563.353995][T21111] dump_stack+0x1c/0x28 [ 563.354004][T21111] should_fail_ex+0x414/0x588 [ 563.354015][T21111] should_fail+0x14/0x24 [ 563.354024][T21111] should_fail_usercopy+0x20/0x30 [ 563.354033][T21111] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.354045][T21111] generic_perform_write+0x4c0/0x7b8 [ 563.354055][T21111] ext4_buffered_write_iter+0xd0/0x310 [ 563.354066][T21111] ext4_file_write_iter+0x1d8/0x1390 [ 563.354076][T21111] do_iter_readv_writev+0x48c/0x6f8 [ 563.354087][T21111] vfs_writev+0x2c8/0x664 [ 563.354096][T21111] do_pwritev+0x120/0x234 [ 563.354105][T21111] __arm64_sys_pwritev2+0xd4/0x108 [ 563.354115][T21111] invoke_syscall+0x98/0x244 [ 563.354125][T21111] el0_svc_common+0xe8/0x23c [ 563.354134][T21111] do_el0_svc+0x48/0x58 [ 563.354143][T21111] el0_svc+0x60/0x25c [ 563.354152][T21111] el0t_64_sync_handler+0x48/0x148 [ 563.354161][T21111] el0t_64_sync+0x198/0x19c [ 563.415235][T21104] loop1: detected capacity change from 0 to 32768 executing program [ 563.449042][T21104] FAULT_INJECTION: forcing a failure. [ 563.449042][T21104] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.449078][T21104] CPU: 0 UID: 0 PID: 21104 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.449090][T21104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.449098][T21104] Call trace: [ 563.449102][T21104] show_stack+0x2c/0x3c (C) [ 563.449121][T21104] __dump_stack+0x30/0x40 [ 563.449132][T21104] dump_stack_lvl+0xd8/0x12c [ 563.449141][T21104] dump_stack+0x1c/0x28 [ 563.449149][T21104] should_fail_ex+0x414/0x588 [ 563.449160][T21104] should_fail+0x14/0x24 [ 563.449169][T21104] should_fail_usercopy+0x20/0x30 [ 563.449178][T21104] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.449190][T21104] generic_perform_write+0x4c0/0x7b8 [ 563.449200][T21104] ext4_buffered_write_iter+0xd0/0x310 [ 563.449211][T21104] ext4_file_write_iter+0x1d8/0x1390 [ 563.449221][T21104] do_iter_readv_writev+0x48c/0x6f8 [ 563.449232][T21104] vfs_writev+0x2c8/0x664 [ 563.449241][T21104] do_pwritev+0x120/0x234 [ 563.449250][T21104] __arm64_sys_pwritev2+0xd4/0x108 [ 563.449260][T21104] invoke_syscall+0x98/0x244 [ 563.449270][T21104] el0_svc_common+0xe8/0x23c [ 563.449279][T21104] do_el0_svc+0x48/0x58 [ 563.449288][T21104] el0_svc+0x60/0x25c [ 563.449298][T21104] el0t_64_sync_handler+0x48/0x148 [ 563.449306][T21104] el0t_64_sync+0x198/0x19c executing program [ 563.502236][T21113] loop4: detected capacity change from 0 to 32768 [ 563.574397][T21113] FAULT_INJECTION: forcing a failure. [ 563.574397][T21113] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.574434][T21113] CPU: 0 UID: 0 PID: 21113 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.574447][T21113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.574455][T21113] Call trace: [ 563.574459][T21113] show_stack+0x2c/0x3c (C) [ 563.574479][T21113] __dump_stack+0x30/0x40 [ 563.574490][T21113] dump_stack_lvl+0xd8/0x12c [ 563.574499][T21113] dump_stack+0x1c/0x28 [ 563.574507][T21113] should_fail_ex+0x414/0x588 [ 563.574518][T21113] should_fail+0x14/0x24 [ 563.574527][T21113] should_fail_usercopy+0x20/0x30 [ 563.574537][T21113] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.574549][T21113] generic_perform_write+0x4c0/0x7b8 [ 563.574559][T21113] ext4_buffered_write_iter+0xd0/0x310 [ 563.574570][T21113] ext4_file_write_iter+0x1d8/0x1390 [ 563.574580][T21113] do_iter_readv_writev+0x48c/0x6f8 [ 563.574590][T21113] vfs_writev+0x2c8/0x664 [ 563.574600][T21113] do_pwritev+0x120/0x234 [ 563.574609][T21113] __arm64_sys_pwritev2+0xd4/0x108 [ 563.574619][T21113] invoke_syscall+0x98/0x244 [ 563.574628][T21113] el0_svc_common+0xe8/0x23c [ 563.574638][T21113] do_el0_svc+0x48/0x58 [ 563.574647][T21113] el0_svc+0x60/0x25c [ 563.574657][T21113] el0t_64_sync_handler+0x48/0x148 [ 563.574665][T21113] el0t_64_sync+0x198/0x19c executing program [ 563.662256][T21116] loop3: detected capacity change from 0 to 32768 [ 563.666053][T21120] FAULT_INJECTION: forcing a failure. [ 563.666053][T21120] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.668406][T21120] CPU: 1 UID: 0 PID: 21120 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.668423][T21120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.668428][T21120] Call trace: [ 563.668432][T21120] show_stack+0x2c/0x3c (C) [ 563.668449][T21120] __dump_stack+0x30/0x40 [ 563.668459][T21120] dump_stack_lvl+0xd8/0x12c [ 563.668467][T21120] dump_stack+0x1c/0x28 [ 563.668476][T21120] should_fail_ex+0x414/0x588 [ 563.668487][T21120] should_fail+0x14/0x24 [ 563.668495][T21120] should_fail_usercopy+0x20/0x30 [ 563.668505][T21120] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.668517][T21120] generic_perform_write+0x4c0/0x7b8 [ 563.668526][T21120] ext4_buffered_write_iter+0xd0/0x310 [ 563.668537][T21120] ext4_file_write_iter+0x1d8/0x1390 [ 563.668547][T21120] do_iter_readv_writev+0x48c/0x6f8 [ 563.668557][T21120] vfs_writev+0x2c8/0x664 [ 563.668567][T21120] do_pwritev+0x120/0x234 [ 563.668576][T21120] __arm64_sys_pwritev2+0xd4/0x108 [ 563.668586][T21120] invoke_syscall+0x98/0x244 [ 563.668595][T21120] el0_svc_common+0xe8/0x23c [ 563.668605][T21120] do_el0_svc+0x48/0x58 [ 563.668613][T21120] el0_svc+0x60/0x25c [ 563.668623][T21120] el0t_64_sync_handler+0x48/0x148 [ 563.668632][T21120] el0t_64_sync+0x198/0x19c [ 563.694476][T21114] loop0: detected capacity change from 0 to 32768 [ 563.696967][T21118] loop2: detected capacity change from 0 to 32768 [ 563.712004][T21116] FAULT_INJECTION: forcing a failure. [ 563.712004][T21116] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.712038][T21116] CPU: 0 UID: 0 PID: 21116 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.712050][T21116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.712055][T21116] Call trace: [ 563.712058][T21116] show_stack+0x2c/0x3c (C) [ 563.712072][T21116] __dump_stack+0x30/0x40 [ 563.712084][T21116] dump_stack_lvl+0xd8/0x12c [ 563.712093][T21116] dump_stack+0x1c/0x28 [ 563.712102][T21116] should_fail_ex+0x414/0x588 [ 563.712112][T21116] should_fail+0x14/0x24 [ 563.712121][T21116] should_fail_usercopy+0x20/0x30 [ 563.712130][T21116] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.712142][T21116] generic_perform_write+0x4c0/0x7b8 [ 563.712151][T21116] ext4_buffered_write_iter+0xd0/0x310 [ 563.712162][T21116] ext4_file_write_iter+0x1d8/0x1390 [ 563.712172][T21116] do_iter_readv_writev+0x48c/0x6f8 executing program [ 563.712182][T21116] vfs_writev+0x2c8/0x664 [ 563.712191][T21116] do_pwritev+0x120/0x234 [ 563.712201][T21116] __arm64_sys_pwritev2+0xd4/0x108 [ 563.712211][T21116] invoke_syscall+0x98/0x244 [ 563.712220][T21116] el0_svc_common+0xe8/0x23c [ 563.712229][T21116] do_el0_svc+0x48/0x58 [ 563.712238][T21116] el0_svc+0x60/0x25c [ 563.712247][T21116] el0t_64_sync_handler+0x48/0x148 [ 563.712256][T21116] el0t_64_sync+0x198/0x19c [ 563.723070][T21114] FAULT_INJECTION: forcing a failure. [ 563.723070][T21114] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.723085][T21114] CPU: 0 UID: 0 PID: 21114 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.723094][T21114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.723099][T21114] Call trace: [ 563.723105][T21114] show_stack+0x2c/0x3c (C) [ 563.723122][T21114] __dump_stack+0x30/0x40 [ 563.723137][T21114] dump_stack_lvl+0xd8/0x12c [ 563.723146][T21114] dump_stack+0x1c/0x28 [ 563.723155][T21114] should_fail_ex+0x414/0x588 [ 563.723165][T21114] should_fail+0x14/0x24 [ 563.723174][T21114] should_fail_usercopy+0x20/0x30 [ 563.723184][T21114] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.723195][T21114] generic_perform_write+0x4c0/0x7b8 [ 563.723204][T21114] ext4_buffered_write_iter+0xd0/0x310 [ 563.723215][T21114] ext4_file_write_iter+0x1d8/0x1390 [ 563.723225][T21114] do_iter_readv_writev+0x48c/0x6f8 [ 563.723235][T21114] vfs_writev+0x2c8/0x664 [ 563.723244][T21114] do_pwritev+0x120/0x234 [ 563.723254][T21114] __arm64_sys_pwritev2+0xd4/0x108 [ 563.723263][T21114] invoke_syscall+0x98/0x244 [ 563.723272][T21114] el0_svc_common+0xe8/0x23c [ 563.723281][T21114] do_el0_svc+0x48/0x58 executing program [ 563.723290][T21114] el0_svc+0x60/0x25c [ 563.723299][T21114] el0t_64_sync_handler+0x48/0x148 [ 563.723308][T21114] el0t_64_sync+0x198/0x19c executing program [ 563.781393][T21118] FAULT_INJECTION: forcing a failure. [ 563.781393][T21118] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 563.781429][T21118] CPU: 0 UID: 0 PID: 21118 Comm: syz-executor319 Not tainted syzkaller #0 PREEMPT [ 563.781442][T21118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 563.781447][T21118] Call trace: [ 563.781449][T21118] show_stack+0x2c/0x3c (C) [ 563.781464][T21118] __dump_stack+0x30/0x40 [ 563.781474][T21118] dump_stack_lvl+0xd8/0x12c [ 563.781483][T21118] dump_stack+0x1c/0x28 [ 563.781492][T21118] should_fail_ex+0x414/0x588 [ 563.781502][T21118] should_fail+0x14/0x24 [ 563.781511][T21118] should_fail_usercopy+0x20/0x30 [ 563.781521][T21118] copy_folio_from_iter_atomic+0x38c/0x1450 [ 563.781532][T21118] generic_perform_write+0x4c0/0x7b8 [ 563.781542][T21118] ext4_buffered_write_iter+0xd0/0x310 [ 563.781552][T21118] ext4_file_write_iter+0x1d8/0x1390 [ 563.781562][T21118] do_iter_readv_writev+0x48c/0x6f8 [ 563.781572][T21118] vfs_writev+0x2c8/0x664 [ 563.781582][T21118] do_pwritev+0x120/0x234 [ 563.781591][T21118] __arm64_sys_pwritev2+0xd4/0x108 [ 563.781601][T21118] invoke_syscall+0x98/0x244 [ 563.781610][T21118] el0_svc_common+0xe8/0x23c [ 563.781619][T21118] do_el0_svc+0x48/0x58 [ 563.781628][T21118] el0_svc+0x60/0x25c [ 563.781638][T21118] el0t_64_sync_handler+0x48/0x148 [ 563.781646][T21118] el0t_64_sync+0x198/0x19c executing program