0x45c [ 547.251265][T15361] jbd2__journal_start+0x158/0x7b4 [ 547.252638][T15361] __ext4_journal_start_sb+0x358/0x70c [ 547.254104][T15361] ext4_dirty_inode+0x9c/0x100 [ 547.255400][T15361] __mark_inode_dirty+0x2b0/0x10f4 [ 547.256830][T15361] generic_write_end+0x15c/0x238 [ 547.258104][T15361] ext4_da_write_end+0x51c/0x930 [ 547.259358][T15361] generic_perform_write+0x354/0x520 [ 547.260703][T15361] ext4_buffered_write_iter+0x3fc/0x528 [ 547.262033][T15361] ext4_file_write_iter+0x684/0x1618 [ 547.263490][T15361] do_iter_readv_writev+0x420/0x5f8 [ 547.264866][T15361] do_iter_write+0x1b8/0x66c [ 547.266060][T15361] do_pwritev+0x1ec/0x334 [ 547.267210][T15361] __arm64_sys_pwritev2+0xd4/0x108 [ 547.268523][T15361] invoke_syscall+0x98/0x2b8 [ 547.269738][T15361] el0_svc_common+0x138/0x258 [ 547.270958][T15361] do_el0_svc+0x58/0x14c [ 547.272052][T15361] el0_svc+0x7c/0x1f0 [ 547.273016][T15361] el0t_64_sync_handler+0x84/0xe4 [ 547.274283][T15361] el0t_64_sync+0x1a0/0x1a4 [ 547.311779][T15363] FAULT_INJECTION: forcing a failure. [ 547.311779][T15363] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 547.315053][T15363] CPU: 0 PID: 15363 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 547.317211][T15363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 547.319564][T15363] Call trace: [ 547.320407][T15363] dump_backtrace+0x0/0x530 [ 547.321504][T15363] show_stack+0x2c/0x3c [ 547.322555][T15363] dump_stack_lvl+0x108/0x170 [ 547.323741][T15363] dump_stack+0x1c/0x58 [ 547.324826][T15363] should_fail+0x3b8/0x514 [ 547.326045][T15363] should_fail_usercopy+0x20/0x30 [ 547.327327][T15363] copy_page_from_iter_atomic+0x3c8/0xffc [ 547.328800][T15363] generic_perform_write+0x2d0/0x520 [ 547.330170][T15363] ext4_buffered_write_iter+0x3fc/0x528 [ 547.331606][T15363] ext4_file_write_iter+0x684/0x1618 [ 547.332950][T15363] do_iter_readv_writev+0x420/0x5f8 [ 547.334232][T15363] do_iter_write+0x1b8/0x66c [ 547.335468][T15363] do_pwritev+0x1ec/0x334 [ 547.336540][T15363] __arm64_sys_pwritev2+0xd4/0x108 [ 547.337899][T15363] invoke_syscall+0x98/0x2b8 [ 547.339144][T15363] el0_svc_common+0x138/0x258 [ 547.340290][T15363] do_el0_svc+0x58/0x14c [ 547.341417][T15363] el0_svc+0x7c/0x1f0 [ 547.342562][T15363] el0t_64_sync_handler+0x84/0xe4 [ 547.343905][T15363] el0t_64_sync+0x1a0/0x1a4 [ 547.684713][T15383] FAULT_INJECTION: forcing a failure. [ 547.684713][T15383] name failslab, interval 1, probability 0, space 0, times 0 [ 547.700760][T15383] CPU: 1 PID: 15383 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 547.703001][T15383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 547.705567][T15383] Call trace: [ 547.706394][T15383] dump_backtrace+0x0/0x530 [ 547.707564][T15383] show_stack+0x2c/0x3c [ 547.708646][T15383] dump_stack_lvl+0x108/0x170 [ 547.709758][T15383] dump_stack+0x1c/0x58 [ 547.710968][T15383] should_fail+0x3b8/0x514 [ 547.711998][T15383] __should_failslab+0xbc/0x110 [ 547.713207][T15383] should_failslab+0x10/0x28 [ 547.714352][T15383] slab_pre_alloc_hook+0x64/0xe8 [ 547.715693][T15383] kmem_cache_alloc+0x98/0x45c [ 547.716896][T15383] jbd2__journal_start+0x158/0x7b4 [ 547.718184][T15383] __ext4_journal_start_sb+0x358/0x70c [ 547.719603][T15383] ext4_dirty_inode+0x9c/0x100 [ 547.720802][T15383] __mark_inode_dirty+0x2b0/0x10f4 [ 547.722148][T15383] generic_write_end+0x15c/0x238 [ 547.723400][T15383] ext4_da_write_end+0x51c/0x930 [ 547.724702][T15383] generic_perform_write+0x354/0x520 [ 547.725975][T15383] ext4_buffered_write_iter+0x3fc/0x528 [ 547.727405][T15383] ext4_file_write_iter+0x684/0x1618 [ 547.728598][T15383] do_iter_readv_writev+0x420/0x5f8 [ 547.729811][T15383] do_iter_write+0x1b8/0x66c [ 547.730926][T15383] do_pwritev+0x1ec/0x334 [ 547.732034][T15383] __arm64_sys_pwritev2+0xd4/0x108 [ 547.733328][T15383] invoke_syscall+0x98/0x2b8 [ 547.734483][T15383] el0_svc_common+0x138/0x258 [ 547.735632][T15383] do_el0_svc+0x58/0x14c [ 547.736682][T15383] el0_svc+0x7c/0x1f0 [ 547.737693][T15383] el0t_64_sync_handler+0x84/0xe4 [ 547.738961][T15383] el0t_64_sync+0x1a0/0x1a4 [ 547.863042][T15386] loop5: detected capacity change from 0 to 32768 [ 548.138473][T15386] FAULT_INJECTION: forcing a failure. [ 548.138473][T15386] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 548.142089][T15386] CPU: 1 PID: 15386 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 548.144311][T15386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 548.146637][T15386] Call trace: [ 548.147433][T15386] dump_backtrace+0x0/0x530 [ 548.148550][T15386] show_stack+0x2c/0x3c [ 548.149511][T15386] dump_stack_lvl+0x108/0x170 [ 548.150586][T15386] dump_stack+0x1c/0x58 [ 548.151661][T15386] should_fail+0x3b8/0x514 [ 548.152755][T15386] should_fail_usercopy+0x20/0x30 [ 548.153927][T15386] copy_page_from_iter_atomic+0x3c8/0xffc [ 548.155294][T15386] generic_perform_write+0x2d0/0x520 [ 548.156601][T15386] ext4_buffered_write_iter+0x3fc/0x528 [ 548.158024][T15386] ext4_file_write_iter+0x684/0x1618 [ 548.159355][T15386] do_iter_readv_writev+0x420/0x5f8 [ 548.160613][T15386] do_iter_write+0x1b8/0x66c [ 548.161788][T15386] do_pwritev+0x1ec/0x334 [ 548.162963][T15386] __arm64_sys_pwritev2+0xd4/0x108 [ 548.164074][T15386] invoke_syscall+0x98/0x2b8 [ 548.164915][T15386] el0_svc_common+0x138/0x258 [ 548.165724][T15386] do_el0_svc+0x58/0x14c [ 548.166452][T15386] el0_svc+0x7c/0x1f0 [ 548.167154][T15386] el0t_64_sync_handler+0x84/0xe4 [ 548.168012][T15386] el0t_64_sync+0x1a0/0x1a4 [ 548.168571][T15390] loop3: detected capacity change from 0 to 32768 [ 548.198840][T15389] loop1: detected capacity change from 0 to 32768 [ 548.276945][T15392] loop0: detected capacity change from 0 to 32768 [ 548.399689][T15394] loop2: detected capacity change from 0 to 32768 [ 548.423745][T15390] FAULT_INJECTION: forcing a failure. [ 548.423745][T15390] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 548.427183][T15390] CPU: 0 PID: 15390 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 548.429255][T15390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 548.431594][T15390] Call trace: [ 548.432435][T15390] dump_backtrace+0x0/0x530 [ 548.433603][T15390] show_stack+0x2c/0x3c [ 548.434679][T15390] dump_stack_lvl+0x108/0x170 [ 548.435768][T15390] dump_stack+0x1c/0x58 [ 548.436833][T15390] should_fail+0x3b8/0x514 [ 548.437905][T15390] should_fail_usercopy+0x20/0x30 [ 548.439101][T15390] copy_page_from_iter_atomic+0x3c8/0xffc [ 548.440533][T15390] generic_perform_write+0x2d0/0x520 [ 548.441886][T15390] ext4_buffered_write_iter+0x3fc/0x528 [ 548.443289][T15390] ext4_file_write_iter+0x684/0x1618 [ 548.444662][T15390] do_iter_readv_writev+0x420/0x5f8 [ 548.446011][T15390] do_iter_write+0x1b8/0x66c [ 548.447238][T15390] do_pwritev+0x1ec/0x334 [ 548.448394][T15390] __arm64_sys_pwritev2+0xd4/0x108 [ 548.449706][T15390] invoke_syscall+0x98/0x2b8 [ 548.450863][T15390] el0_svc_common+0x138/0x258 [ 548.452096][T15390] do_el0_svc+0x58/0x14c [ 548.453083][T15390] el0_svc+0x7c/0x1f0 [ 548.454135][T15390] el0t_64_sync_handler+0x84/0xe4 [ 548.455457][T15390] el0t_64_sync+0x1a0/0x1a4 [ 548.515036][T15389] FAULT_INJECTION: forcing a failure. [ 548.515036][T15389] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 548.518681][T15389] CPU: 1 PID: 15389 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 548.520849][T15389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 548.523429][T15389] Call trace: [ 548.524326][T15389] dump_backtrace+0x0/0x530 [ 548.525463][T15389] show_stack+0x2c/0x3c [ 548.526492][T15389] dump_stack_lvl+0x108/0x170 [ 548.527629][T15389] dump_stack+0x1c/0x58 [ 548.528822][T15389] should_fail+0x3b8/0x514 [ 548.529933][T15389] should_fail_usercopy+0x20/0x30 [ 548.531193][T15389] copy_page_from_iter_atomic+0x3c8/0xffc [ 548.532758][T15389] generic_perform_write+0x2d0/0x520 [ 548.534137][T15389] ext4_buffered_write_iter+0x3fc/0x528 [ 548.535539][T15389] ext4_file_write_iter+0x684/0x1618 [ 548.536975][T15389] do_iter_readv_writev+0x420/0x5f8 [ 548.538332][T15389] do_iter_write+0x1b8/0x66c [ 548.539470][T15389] do_pwritev+0x1ec/0x334 [ 548.540595][T15389] __arm64_sys_pwritev2+0xd4/0x108 [ 548.541928][T15389] invoke_syscall+0x98/0x2b8 [ 548.543141][T15389] el0_svc_common+0x138/0x258 [ 548.544325][T15389] do_el0_svc+0x58/0x14c [ 548.545468][T15389] el0_svc+0x7c/0x1f0 [ 548.546543][T15389] el0t_64_sync_handler+0x84/0xe4 [ 548.547802][T15389] el0t_64_sync+0x1a0/0x1a4 [ 548.602023][T15392] FAULT_INJECTION: forcing a failure. [ 548.602023][T15392] name failslab, interval 1, probability 0, space 0, times 0 [ 548.614643][T15392] CPU: 1 PID: 15392 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 548.616874][T15392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 548.619338][T15392] Call trace: [ 548.620149][T15392] dump_backtrace+0x0/0x530 [ 548.621369][T15392] show_stack+0x2c/0x3c [ 548.622448][T15392] dump_stack_lvl+0x108/0x170 [ 548.623646][T15392] dump_stack+0x1c/0x58 [ 548.624682][T15392] should_fail+0x3b8/0x514 [ 548.625835][T15392] __should_failslab+0xbc/0x110 [ 548.626894][T15392] should_failslab+0x10/0x28 [ 548.628022][T15392] slab_pre_alloc_hook+0x64/0xe8 [ 548.629262][T15392] kmem_cache_alloc+0x98/0x45c [ 548.630463][T15392] jbd2__journal_start+0x158/0x7b4 [ 548.631778][T15392] __ext4_journal_start_sb+0x358/0x70c [ 548.633206][T15392] ext4_dirty_inode+0x9c/0x100 [ 548.634383][T15392] __mark_inode_dirty+0x2b0/0x10f4 [ 548.635587][T15392] generic_write_end+0x15c/0x238 [ 548.636870][T15392] ext4_da_write_end+0x51c/0x930 [ 548.638099][T15392] generic_perform_write+0x354/0x520 [ 548.639403][T15392] ext4_buffered_write_iter+0x3fc/0x528 [ 548.640797][T15392] ext4_file_write_iter+0x684/0x1618 [ 548.642084][T15392] do_iter_readv_writev+0x420/0x5f8 [ 548.643384][T15392] do_iter_write+0x1b8/0x66c [ 548.644498][T15392] do_pwritev+0x1ec/0x334 [ 548.645580][T15392] __arm64_sys_pwritev2+0xd4/0x108 [ 548.646814][T15392] invoke_syscall+0x98/0x2b8 [ 548.647955][T15392] el0_svc_common+0x138/0x258 [ 548.649069][T15392] do_el0_svc+0x58/0x14c [ 548.650181][T15392] el0_svc+0x7c/0x1f0 [ 548.651146][T15392] el0t_64_sync_handler+0x84/0xe4 [ 548.652448][T15392] el0t_64_sync+0x1a0/0x1a4 [ 548.709783][T15394] FAULT_INJECTION: forcing a failure. [ 548.709783][T15394] name failslab, interval 1, probability 0, space 0, times 0 [ 548.728862][T15394] CPU: 0 PID: 15394 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 548.731156][T15394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 548.733798][T15394] Call trace: [ 548.734616][T15394] dump_backtrace+0x0/0x530 [ 548.735774][T15394] show_stack+0x2c/0x3c [ 548.736844][T15394] dump_stack_lvl+0x108/0x170 [ 548.738013][T15394] dump_stack+0x1c/0x58 [ 548.739077][T15394] should_fail+0x3b8/0x514 [ 548.740303][T15394] __should_failslab+0xbc/0x110 [ 548.741492][T15394] should_failslab+0x10/0x28 [ 548.742651][T15394] slab_pre_alloc_hook+0x64/0xe8 [ 548.743906][T15394] kmem_cache_alloc+0x98/0x45c [ 548.745115][T15394] jbd2__journal_start+0x158/0x7b4 [ 548.746375][T15394] __ext4_journal_start_sb+0x358/0x70c [ 548.747760][T15394] ext4_dirty_inode+0x9c/0x100 [ 548.748947][T15394] __mark_inode_dirty+0x2b0/0x10f4 [ 548.750176][T15394] generic_write_end+0x15c/0x238 [ 548.751538][T15394] ext4_da_write_end+0x51c/0x930 [ 548.752775][T15394] generic_perform_write+0x354/0x520 [ 548.754078][T15394] ext4_buffered_write_iter+0x3fc/0x528 [ 548.755474][T15394] ext4_file_write_iter+0x684/0x1618 [ 548.756754][T15394] do_iter_readv_writev+0x420/0x5f8 [ 548.758141][T15394] do_iter_write+0x1b8/0x66c [ 548.759269][T15394] do_pwritev+0x1ec/0x334 [ 548.760378][T15394] __arm64_sys_pwritev2+0xd4/0x108 [ 548.761731][T15394] invoke_syscall+0x98/0x2b8 [ 548.762843][T15394] el0_svc_common+0x138/0x258 [ 548.764095][T15394] do_el0_svc+0x58/0x14c [ 548.765174][T15394] el0_svc+0x7c/0x1f0 [ 548.766186][T15394] el0t_64_sync_handler+0x84/0xe4 [ 548.767522][T15394] el0t_64_sync+0x1a0/0x1a4 [ 548.814617][T15396] loop4: detected capacity change from 0 to 32768 [ 548.841975][T15396] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm [ 548.849357][T15396] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 548.858276][T15396] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 548.868561][T15396] BTRFS warning (device loop4): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 548.877102][T15396] BTRFS info (device loop4): trying to use backup root at mount time [ 548.887449][T15396] BTRFS info (device loop4): use zlib compression, level 3 [ 548.895610][T15396] BTRFS info (device loop4): enabling ssd optimizations [ 548.899964][T15396] BTRFS info (device loop4): using spread ssd allocation scheme [ 548.916768][T15396] BTRFS info (device loop4): using free space tree [ 548.919803][T15396] BTRFS info (device loop4): has skinny extents [ 549.209026][T15396] FAULT_INJECTION: forcing a failure. [ 549.209026][T15396] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 549.233476][T15396] CPU: 0 PID: 15396 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 549.235727][T15396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 549.238305][T15396] Call trace: [ 549.239096][T15396] dump_backtrace+0x0/0x530 [ 549.240313][T15396] show_stack+0x2c/0x3c [ 549.241362][T15396] dump_stack_lvl+0x108/0x170 [ 549.242601][T15396] dump_stack+0x1c/0x58 [ 549.243598][T15396] should_fail+0x3b8/0x514 [ 549.244850][T15396] should_fail_alloc_page+0x74/0xa8 [ 549.246244][T15396] prepare_alloc_pages+0x160/0x460 [ 549.247588][T15396] __alloc_pages+0x138/0x674 [ 549.248461][T15396] alloc_pages+0x368/0x5d4 [ 549.249554][T15396] __page_cache_alloc+0x78/0x524 [ 549.250161][T15402] loop1: detected capacity change from 0 to 32768 [ 549.250909][T15396] pagecache_get_page+0xa1c/0xd94 [ 549.250927][T15396] prepare_pages+0x11c/0x344 [ 549.250938][T15396] btrfs_buffered_write+0x594/0xe6c [ 549.256375][T15396] btrfs_file_write_iter+0x1a8/0xb6c [ 549.257639][T15396] do_iter_readv_writev+0x420/0x5f8 [ 549.258992][T15396] do_iter_write+0x1b8/0x66c [ 549.260161][T15396] do_pwritev+0x1ec/0x334 [ 549.261301][T15396] __arm64_sys_pwritev2+0xd4/0x108 [ 549.262680][T15396] invoke_syscall+0x98/0x2b8 [ 549.263856][T15396] el0_svc_common+0x138/0x258 [ 549.265085][T15396] do_el0_svc+0x58/0x14c [ 549.266183][T15396] el0_svc+0x7c/0x1f0 [ 549.267186][T15396] el0t_64_sync_handler+0x84/0xe4 [ 549.268344][T15396] el0t_64_sync+0x1a0/0x1a4 [ 549.272888][T15402] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15402) [ 549.322316][T15398] loop5: detected capacity change from 0 to 32768 [ 549.367375][T15398] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15398) [ 549.387929][T15402] FAULT_INJECTION: forcing a failure. [ 549.387929][T15402] name failslab, interval 1, probability 0, space 0, times 0 [ 549.391970][T15402] CPU: 1 PID: 15402 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 549.394088][T15402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 549.396620][T15402] Call trace: [ 549.397500][T15402] dump_backtrace+0x0/0x530 [ 549.398659][T15402] show_stack+0x2c/0x3c [ 549.399720][T15402] dump_stack_lvl+0x108/0x170 [ 549.400858][T15402] dump_stack+0x1c/0x58 [ 549.401809][T15402] should_fail+0x3b8/0x514 [ 549.402909][T15402] __should_failslab+0xbc/0x110 [ 549.404140][T15402] should_failslab+0x10/0x28 [ 549.405316][T15402] slab_pre_alloc_hook+0x64/0xe8 [ 549.406619][T15402] kmem_cache_alloc+0x98/0x45c [ 549.407894][T15402] jbd2__journal_start+0x158/0x7b4 [ 549.409260][T15402] __ext4_journal_start_sb+0x358/0x70c [ 549.410699][T15402] ext4_dirty_inode+0x9c/0x100 [ 549.411932][T15402] __mark_inode_dirty+0x2b0/0x10f4 [ 549.413252][T15402] generic_write_end+0x15c/0x238 [ 549.414491][T15402] ext4_da_write_end+0x51c/0x930 [ 549.415789][T15402] generic_perform_write+0x354/0x520 [ 549.417252][T15402] ext4_buffered_write_iter+0x3fc/0x528 [ 549.418762][T15402] ext4_file_write_iter+0x684/0x1618 [ 549.420167][T15402] do_iter_readv_writev+0x420/0x5f8 [ 549.421534][T15402] do_iter_write+0x1b8/0x66c [ 549.422741][T15402] do_pwritev+0x1ec/0x334 [ 549.423891][T15402] __arm64_sys_pwritev2+0xd4/0x108 [ 549.425251][T15402] invoke_syscall+0x98/0x2b8 [ 549.426453][T15402] el0_svc_common+0x138/0x258 [ 549.427683][T15402] do_el0_svc+0x58/0x14c [ 549.428801][T15402] el0_svc+0x7c/0x1f0 [ 549.429833][T15402] el0t_64_sync_handler+0x84/0xe4 [ 549.431175][T15402] el0t_64_sync+0x1a0/0x1a4 [ 549.489357][T15400] loop3: detected capacity change from 0 to 32768 [ 549.519561][T15400] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15400) [ 549.794394][T15398] FAULT_INJECTION: forcing a failure. [ 549.794394][T15398] name failslab, interval 1, probability 0, space 0, times 0 [ 549.807243][T15398] CPU: 1 PID: 15398 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 549.809481][T15398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 549.811957][T15398] Call trace: [ 549.812789][T15398] dump_backtrace+0x0/0x530 [ 549.813910][T15398] show_stack+0x2c/0x3c [ 549.814946][T15398] dump_stack_lvl+0x108/0x170 [ 549.816194][T15398] dump_stack+0x1c/0x58 [ 549.817318][T15398] should_fail+0x3b8/0x514 [ 549.818423][T15398] __should_failslab+0xbc/0x110 [ 549.819658][T15398] should_failslab+0x10/0x28 [ 549.820791][T15398] slab_pre_alloc_hook+0x64/0xe8 [ 549.822112][T15398] kmem_cache_alloc+0x98/0x45c [ 549.823306][T15398] jbd2__journal_start+0x158/0x7b4 [ 549.824670][T15398] __ext4_journal_start_sb+0x358/0x70c [ 549.826067][T15398] ext4_dirty_inode+0x9c/0x100 [ 549.827275][T15398] __mark_inode_dirty+0x2b0/0x10f4 [ 549.828622][T15398] generic_write_end+0x15c/0x238 [ 549.829931][T15398] ext4_da_write_end+0x51c/0x930 [ 549.831196][T15398] generic_perform_write+0x354/0x520 [ 549.832507][T15398] ext4_buffered_write_iter+0x3fc/0x528 [ 549.833905][T15398] ext4_file_write_iter+0x684/0x1618 [ 549.835332][T15398] do_iter_readv_writev+0x420/0x5f8 [ 549.836617][T15398] do_iter_write+0x1b8/0x66c [ 549.837806][T15398] do_pwritev+0x1ec/0x334 [ 549.838856][T15398] __arm64_sys_pwritev2+0xd4/0x108 [ 549.840261][T15398] invoke_syscall+0x98/0x2b8 [ 549.841428][T15398] el0_svc_common+0x138/0x258 [ 549.842603][T15398] do_el0_svc+0x58/0x14c [ 549.843618][T15398] el0_svc+0x7c/0x1f0 [ 549.844622][T15398] el0t_64_sync_handler+0x84/0xe4 [ 549.845825][T15398] el0t_64_sync+0x1a0/0x1a4 [ 549.970785][T15409] loop2: detected capacity change from 0 to 32768 [ 549.977816][T15400] FAULT_INJECTION: forcing a failure. [ 549.977816][T15400] name failslab, interval 1, probability 0, space 0, times 0 [ 549.987012][T15400] CPU: 0 PID: 15400 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 549.989286][T15400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 549.991894][T15400] Call trace: [ 549.992715][T15400] dump_backtrace+0x0/0x530 [ 549.993878][T15400] show_stack+0x2c/0x3c [ 549.994917][T15400] dump_stack_lvl+0x108/0x170 [ 549.996135][T15400] dump_stack+0x1c/0x58 [ 549.997169][T15400] should_fail+0x3b8/0x514 [ 549.998295][T15400] __should_failslab+0xbc/0x110 [ 549.999578][T15400] should_failslab+0x10/0x28 [ 550.000698][T15400] slab_pre_alloc_hook+0x64/0xe8 [ 550.001895][T15400] kmem_cache_alloc+0x98/0x45c [ 550.003147][T15400] jbd2__journal_start+0x158/0x7b4 [ 550.004514][T15400] __ext4_journal_start_sb+0x358/0x70c [ 550.005918][T15400] ext4_dirty_inode+0x9c/0x100 [ 550.007040][T15400] __mark_inode_dirty+0x2b0/0x10f4 [ 550.008288][T15400] generic_write_end+0x15c/0x238 [ 550.009413][T15400] ext4_da_write_end+0x51c/0x930 [ 550.010629][T15400] generic_perform_write+0x354/0x520 [ 550.012045][T15400] ext4_buffered_write_iter+0x3fc/0x528 [ 550.013437][T15400] ext4_file_write_iter+0x684/0x1618 [ 550.014775][T15400] do_iter_readv_writev+0x420/0x5f8 [ 550.016107][T15400] do_iter_write+0x1b8/0x66c [ 550.017191][T15400] do_pwritev+0x1ec/0x334 [ 550.018327][T15400] __arm64_sys_pwritev2+0xd4/0x108 [ 550.019628][T15400] invoke_syscall+0x98/0x2b8 [ 550.020795][T15400] el0_svc_common+0x138/0x258 [ 550.021890][T15400] do_el0_svc+0x58/0x14c [ 550.022941][T15400] el0_svc+0x7c/0x1f0 [ 550.023991][T15400] el0t_64_sync_handler+0x84/0xe4 [ 550.025302][T15400] el0t_64_sync+0x1a0/0x1a4 [ 550.046475][T15409] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz-executor297 (15409) [ 550.049933][T15404] loop0: detected capacity change from 0 to 32768 [ 550.064313][T15404] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15404) [ 550.068990][T15409] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm [ 550.076022][T15409] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 550.082195][T15409] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 550.087231][T15409] BTRFS warning (device loop2): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 550.110854][T15409] BTRFS info (device loop2): trying to use backup root at mount time [ 550.114478][T15409] BTRFS info (device loop2): use zlib compression, level 3 [ 550.117655][T15409] BTRFS info (device loop2): enabling ssd optimizations [ 550.120627][T15409] BTRFS info (device loop2): using spread ssd allocation scheme [ 550.143908][T15409] BTRFS info (device loop2): using free space tree [ 550.147935][T15409] BTRFS info (device loop2): has skinny extents [ 550.369917][T15430] FAULT_INJECTION: forcing a failure. [ 550.369917][T15430] name failslab, interval 1, probability 0, space 0, times 0 [ 550.386157][T15430] CPU: 1 PID: 15430 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 550.388352][T15430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 550.390886][T15430] Call trace: [ 550.391769][T15430] dump_backtrace+0x0/0x530 [ 550.392930][T15430] show_stack+0x2c/0x3c [ 550.394044][T15430] dump_stack_lvl+0x108/0x170 [ 550.395379][T15430] dump_stack+0x1c/0x58 [ 550.396430][T15430] should_fail+0x3b8/0x514 [ 550.397553][T15430] __should_failslab+0xbc/0x110 [ 550.398830][T15430] should_failslab+0x10/0x28 [ 550.400016][T15430] slab_pre_alloc_hook+0x64/0xe8 [ 550.401259][T15430] kmem_cache_alloc+0x98/0x45c [ 550.402584][T15430] jbd2__journal_start+0x158/0x7b4 [ 550.403852][T15430] __ext4_journal_start_sb+0x358/0x70c [ 550.405261][T15430] ext4_dirty_inode+0x9c/0x100 [ 550.406457][T15430] __mark_inode_dirty+0x2b0/0x10f4 [ 550.407767][T15430] generic_write_end+0x15c/0x238 [ 550.408955][T15430] ext4_da_write_end+0x51c/0x930 [ 550.410209][T15430] generic_perform_write+0x354/0x520 [ 550.411513][T15430] ext4_buffered_write_iter+0x3fc/0x528 [ 550.412852][T15430] ext4_file_write_iter+0x684/0x1618 [ 550.414218][T15430] do_iter_readv_writev+0x420/0x5f8 [ 550.415532][T15430] do_iter_write+0x1b8/0x66c [ 550.416748][T15430] do_pwritev+0x1ec/0x334 [ 550.417866][T15430] __arm64_sys_pwritev2+0xd4/0x108 [ 550.419185][T15430] invoke_syscall+0x98/0x2b8 [ 550.420445][T15430] el0_svc_common+0x138/0x258 [ 550.421726][T15430] do_el0_svc+0x58/0x14c [ 550.422834][T15430] el0_svc+0x7c/0x1f0 [ 550.423796][T15430] el0t_64_sync_handler+0x84/0xe4 [ 550.425131][T15430] el0t_64_sync+0x1a0/0x1a4 [ 550.455730][T15404] FAULT_INJECTION: forcing a failure. [ 550.455730][T15404] name failslab, interval 1, probability 0, space 0, times 0 [ 550.459311][T15404] CPU: 1 PID: 15404 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 550.461578][T15404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 550.464086][T15404] Call trace: [ 550.464886][T15404] dump_backtrace+0x0/0x530 [ 550.465979][T15404] show_stack+0x2c/0x3c [ 550.467080][T15404] dump_stack_lvl+0x108/0x170 [ 550.468386][T15404] dump_stack+0x1c/0x58 [ 550.469441][T15404] should_fail+0x3b8/0x514 [ 550.470573][T15404] __should_failslab+0xbc/0x110 [ 550.471851][T15404] should_failslab+0x10/0x28 [ 550.473030][T15404] slab_pre_alloc_hook+0x64/0xe8 [ 550.474248][T15404] kmem_cache_alloc+0x98/0x45c [ 550.475370][T15404] jbd2__journal_start+0x158/0x7b4 [ 550.476634][T15404] __ext4_journal_start_sb+0x358/0x70c [ 550.477918][T15404] ext4_dirty_inode+0x9c/0x100 [ 550.479189][T15404] __mark_inode_dirty+0x2b0/0x10f4 [ 550.480539][T15404] generic_write_end+0x15c/0x238 [ 550.481879][T15404] ext4_da_write_end+0x51c/0x930 [ 550.483196][T15404] generic_perform_write+0x354/0x520 [ 550.484586][T15404] ext4_buffered_write_iter+0x3fc/0x528 [ 550.486037][T15404] ext4_file_write_iter+0x684/0x1618 [ 550.487347][T15404] do_iter_readv_writev+0x420/0x5f8 [ 550.488677][T15404] do_iter_write+0x1b8/0x66c [ 550.489773][T15404] do_pwritev+0x1ec/0x334 [ 550.490911][T15404] __arm64_sys_pwritev2+0xd4/0x108 [ 550.492166][T15404] invoke_syscall+0x98/0x2b8 [ 550.493359][T15404] el0_svc_common+0x138/0x258 [ 550.494521][T15404] do_el0_svc+0x58/0x14c [ 550.495608][T15404] el0_svc+0x7c/0x1f0 [ 550.496625][T15404] el0t_64_sync_handler+0x84/0xe4 [ 550.497904][T15404] el0t_64_sync+0x1a0/0x1a4 [ 550.506161][T15428] loop1: detected capacity change from 0 to 32768 [ 550.528364][T15428] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15428) [ 550.546238][T15409] FAULT_INJECTION: forcing a failure. [ 550.546238][T15409] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 550.549741][T15409] CPU: 0 PID: 15409 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 550.551904][T15409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 550.554456][T15409] Call trace: [ 550.555257][T15409] dump_backtrace+0x0/0x530 [ 550.556380][T15409] show_stack+0x2c/0x3c [ 550.557327][T15409] dump_stack_lvl+0x108/0x170 [ 550.558487][T15409] dump_stack+0x1c/0x58 [ 550.559543][T15409] should_fail+0x3b8/0x514 [ 550.560786][T15409] should_fail_alloc_page+0x74/0xa8 [ 550.562060][T15409] prepare_alloc_pages+0x160/0x460 [ 550.563301][T15409] __alloc_pages+0x138/0x674 [ 550.564549][T15409] alloc_pages+0x368/0x5d4 [ 550.565601][T15409] __page_cache_alloc+0x78/0x524 [ 550.566891][T15409] pagecache_get_page+0xa1c/0xd94 [ 550.568230][T15409] prepare_pages+0x11c/0x344 [ 550.569492][T15409] btrfs_buffered_write+0x594/0xe6c [ 550.570827][T15409] btrfs_file_write_iter+0x1a8/0xb6c [ 550.572179][T15409] do_iter_readv_writev+0x420/0x5f8 [ 550.573457][T15409] do_iter_write+0x1b8/0x66c [ 550.574599][T15409] do_pwritev+0x1ec/0x334 [ 550.575613][T15409] __arm64_sys_pwritev2+0xd4/0x108 [ 550.576815][T15409] invoke_syscall+0x98/0x2b8 [ 550.577862][T15409] el0_svc_common+0x138/0x258 [ 550.579085][T15409] do_el0_svc+0x58/0x14c [ 550.580222][T15409] el0_svc+0x7c/0x1f0 [ 550.581211][T15409] el0t_64_sync_handler+0x84/0xe4 [ 550.582463][T15409] el0t_64_sync+0x1a0/0x1a4 [ 550.989800][T15428] FAULT_INJECTION: forcing a failure. [ 550.989800][T15428] name failslab, interval 1, probability 0, space 0, times 0 [ 551.002497][T15428] CPU: 0 PID: 15428 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 551.004676][T15428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 551.007142][T15428] Call trace: [ 551.007986][T15428] dump_backtrace+0x0/0x530 [ 551.009063][T15428] show_stack+0x2c/0x3c [ 551.010105][T15428] dump_stack_lvl+0x108/0x170 [ 551.011325][T15428] dump_stack+0x1c/0x58 [ 551.012399][T15428] should_fail+0x3b8/0x514 [ 551.013528][T15428] __should_failslab+0xbc/0x110 [ 551.014766][T15428] should_failslab+0x10/0x28 [ 551.015918][T15428] slab_pre_alloc_hook+0x64/0xe8 [ 551.017228][T15428] kmem_cache_alloc+0x98/0x45c [ 551.018433][T15428] jbd2__journal_start+0x158/0x7b4 [ 551.019793][T15428] __ext4_journal_start_sb+0x358/0x70c [ 551.021150][T15428] ext4_dirty_inode+0x9c/0x100 [ 551.022362][T15428] __mark_inode_dirty+0x2b0/0x10f4 [ 551.023659][T15428] generic_write_end+0x15c/0x238 [ 551.024905][T15428] ext4_da_write_end+0x51c/0x930 [ 551.026228][T15428] generic_perform_write+0x354/0x520 [ 551.027545][T15428] ext4_buffered_write_iter+0x3fc/0x528 [ 551.028923][T15428] ext4_file_write_iter+0x684/0x1618 [ 551.030294][T15428] do_iter_readv_writev+0x420/0x5f8 [ 551.031681][T15428] do_iter_write+0x1b8/0x66c [ 551.032888][T15428] do_pwritev+0x1ec/0x334 [ 551.033955][T15428] __arm64_sys_pwritev2+0xd4/0x108 [ 551.035203][T15428] invoke_syscall+0x98/0x2b8 [ 551.036356][T15428] el0_svc_common+0x138/0x258 [ 551.037464][T15428] do_el0_svc+0x58/0x14c [ 551.038513][T15428] el0_svc+0x7c/0x1f0 [ 551.039499][T15428] el0t_64_sync_handler+0x84/0xe4 [ 551.040692][T15428] el0t_64_sync+0x1a0/0x1a4 [ 551.105788][T15432] loop5: detected capacity change from 0 to 32768 [ 551.125619][T15432] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop5 scanned by syz-executor297 (15432) [ 551.151615][T15432] BTRFS info (device loop5): using crc32c (crc32c-generic) checksum algorithm [ 551.163993][T15432] BTRFS warning (device loop5): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 551.177198][T15432] BTRFS warning (device loop5): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 551.191450][T15432] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 551.204669][T15432] BTRFS info (device loop5): trying to use backup root at mount time [ 551.212429][T15432] BTRFS info (device loop5): use zlib compression, level 3 [ 551.221302][T15432] BTRFS info (device loop5): enabling ssd optimizations [ 551.234718][T15456] loop0: detected capacity change from 0 to 32768 [ 551.237305][T15432] BTRFS info (device loop5): using spread ssd allocation scheme [ 551.246279][T15432] BTRFS info (device loop5): using free space tree [ 551.252733][T15432] BTRFS info (device loop5): has skinny extents [ 551.258823][T15456] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15456) [ 551.269046][T15453] loop4: detected capacity change from 0 to 32768 [ 551.279254][T15438] loop3: detected capacity change from 0 to 32768 [ 551.279476][T15453] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15453) [ 551.302925][T15438] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15438) [ 551.453912][T15456] FAULT_INJECTION: forcing a failure. [ 551.453912][T15456] name failslab, interval 1, probability 0, space 0, times 0 [ 551.454731][T15432] FAULT_INJECTION: forcing a failure. [ 551.454731][T15432] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 551.462162][T15456] CPU: 0 PID: 15456 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 551.464348][T15456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 551.466940][T15456] Call trace: [ 551.467793][T15456] dump_backtrace+0x0/0x530 [ 551.468918][T15456] show_stack+0x2c/0x3c [ 551.469941][T15456] dump_stack_lvl+0x108/0x170 [ 551.471101][T15456] dump_stack+0x1c/0x58 [ 551.472179][T15456] should_fail+0x3b8/0x514 [ 551.473346][T15456] __should_failslab+0xbc/0x110 [ 551.474607][T15456] should_failslab+0x10/0x28 [ 551.475758][T15456] slab_pre_alloc_hook+0x64/0xe8 [ 551.477042][T15456] kmem_cache_alloc+0x98/0x45c [ 551.478272][T15456] jbd2__journal_start+0x158/0x7b4 [ 551.479576][T15456] __ext4_journal_start_sb+0x358/0x70c [ 551.480927][T15456] ext4_dirty_inode+0x9c/0x100 [ 551.482086][T15456] __mark_inode_dirty+0x2b0/0x10f4 [ 551.483546][T15456] generic_write_end+0x15c/0x238 [ 551.484780][T15456] ext4_da_write_end+0x51c/0x930 [ 551.485970][T15456] generic_perform_write+0x354/0x520 [ 551.487272][T15456] ext4_buffered_write_iter+0x3fc/0x528 [ 551.488657][T15456] ext4_file_write_iter+0x684/0x1618 [ 551.490024][T15456] do_iter_readv_writev+0x420/0x5f8 [ 551.491378][T15456] do_iter_write+0x1b8/0x66c [ 551.492529][T15456] do_pwritev+0x1ec/0x334 [ 551.493618][T15456] __arm64_sys_pwritev2+0xd4/0x108 [ 551.494901][T15456] invoke_syscall+0x98/0x2b8 [ 551.496143][T15456] el0_svc_common+0x138/0x258 [ 551.497380][T15456] do_el0_svc+0x58/0x14c [ 551.498478][T15456] el0_svc+0x7c/0x1f0 [ 551.499533][T15456] el0t_64_sync_handler+0x84/0xe4 [ 551.500901][T15456] el0t_64_sync+0x1a0/0x1a4 [ 551.507321][T15432] CPU: 1 PID: 15432 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 551.509649][T15432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 551.512346][T15432] Call trace: [ 551.513153][T15432] dump_backtrace+0x0/0x530 [ 551.514296][T15432] show_stack+0x2c/0x3c [ 551.515361][T15432] dump_stack_lvl+0x108/0x170 [ 551.516548][T15432] dump_stack+0x1c/0x58 [ 551.517608][T15432] should_fail+0x3b8/0x514 [ 551.518782][T15432] should_fail_alloc_page+0x74/0xa8 [ 551.520074][T15432] prepare_alloc_pages+0x160/0x460 [ 551.521306][T15432] __alloc_pages+0x138/0x674 [ 551.522460][T15432] alloc_pages+0x368/0x5d4 [ 551.523608][T15432] __page_cache_alloc+0x78/0x524 [ 551.524981][T15432] pagecache_get_page+0xa1c/0xd94 [ 551.526246][T15432] prepare_pages+0x11c/0x344 [ 551.527452][T15432] btrfs_buffered_write+0x594/0xe6c [ 551.528809][T15432] btrfs_file_write_iter+0x1a8/0xb6c [ 551.530168][T15432] do_iter_readv_writev+0x420/0x5f8 [ 551.531480][T15432] do_iter_write+0x1b8/0x66c [ 551.532636][T15432] do_pwritev+0x1ec/0x334 [ 551.533776][T15432] __arm64_sys_pwritev2+0xd4/0x108 [ 551.535109][T15432] invoke_syscall+0x98/0x2b8 [ 551.536344][T15432] el0_svc_common+0x138/0x258 [ 551.537561][T15432] do_el0_svc+0x58/0x14c [ 551.538649][T15432] el0_svc+0x7c/0x1f0 [ 551.539653][T15432] el0t_64_sync_handler+0x84/0xe4 [ 551.540977][T15432] el0t_64_sync+0x1a0/0x1a4 [ 551.614789][T15438] FAULT_INJECTION: forcing a failure. [ 551.614789][T15438] name failslab, interval 1, probability 0, space 0, times 0 [ 551.618091][T15438] CPU: 0 PID: 15438 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 551.620395][T15438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 551.622939][T15438] Call trace: [ 551.623784][T15438] dump_backtrace+0x0/0x530 [ 551.624954][T15438] show_stack+0x2c/0x3c [ 551.626028][T15438] dump_stack_lvl+0x108/0x170 [ 551.627239][T15438] dump_stack+0x1c/0x58 [ 551.628248][T15438] should_fail+0x3b8/0x514 [ 551.629395][T15438] __should_failslab+0xbc/0x110 [ 551.630687][T15438] should_failslab+0x10/0x28 [ 551.631866][T15438] slab_pre_alloc_hook+0x64/0xe8 [ 551.633110][T15438] kmem_cache_alloc+0x98/0x45c [ 551.634374][T15438] jbd2__journal_start+0x158/0x7b4 [ 551.635735][T15438] __ext4_journal_start_sb+0x358/0x70c [ 551.637143][T15438] ext4_dirty_inode+0x9c/0x100 [ 551.638368][T15438] __mark_inode_dirty+0x2b0/0x10f4 [ 551.639725][T15438] generic_write_end+0x15c/0x238 [ 551.641111][T15438] ext4_da_write_end+0x51c/0x930 [ 551.642436][T15438] generic_perform_write+0x354/0x520 [ 551.643854][T15438] ext4_buffered_write_iter+0x3fc/0x528 [ 551.643929][T15453] FAULT_INJECTION: forcing a failure. [ 551.643929][T15453] name failslab, interval 1, probability 0, space 0, times 0 [ 551.645354][T15438] ext4_file_write_iter+0x684/0x1618 [ 551.645370][T15438] do_iter_readv_writev+0x420/0x5f8 [ 551.645382][T15438] do_iter_write+0x1b8/0x66c [ 551.652422][T15438] do_pwritev+0x1ec/0x334 [ 551.653516][T15438] __arm64_sys_pwritev2+0xd4/0x108 [ 551.654889][T15438] invoke_syscall+0x98/0x2b8 [ 551.656026][T15438] el0_svc_common+0x138/0x258 [ 551.657277][T15438] do_el0_svc+0x58/0x14c [ 551.658323][T15438] el0_svc+0x7c/0x1f0 [ 551.659458][T15438] el0t_64_sync_handler+0x84/0xe4 [ 551.660730][T15438] el0t_64_sync+0x1a0/0x1a4 [ 551.662445][T15453] CPU: 0 PID: 15453 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 551.664668][T15453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 551.667332][T15453] Call trace: [ 551.668193][T15453] dump_backtrace+0x0/0x530 [ 551.669411][T15453] show_stack+0x2c/0x3c [ 551.670530][T15453] dump_stack_lvl+0x108/0x170 [ 551.671774][T15453] dump_stack+0x1c/0x58 [ 551.672850][T15453] should_fail+0x3b8/0x514 [ 551.673957][T15453] __should_failslab+0xbc/0x110 [ 551.675258][T15453] should_failslab+0x10/0x28 [ 551.676506][T15453] slab_pre_alloc_hook+0x64/0xe8 [ 551.677749][T15453] kmem_cache_alloc+0x98/0x45c [ 551.678986][T15453] jbd2__journal_start+0x158/0x7b4 [ 551.680304][T15453] __ext4_journal_start_sb+0x358/0x70c [ 551.681664][T15453] ext4_dirty_inode+0x9c/0x100 [ 551.682908][T15453] __mark_inode_dirty+0x2b0/0x10f4 [ 551.684246][T15453] generic_write_end+0x15c/0x238 [ 551.685489][T15453] ext4_da_write_end+0x51c/0x930 [ 551.686745][T15453] generic_perform_write+0x354/0x520 [ 551.687974][T15453] ext4_buffered_write_iter+0x3fc/0x528 [ 551.689463][T15453] ext4_file_write_iter+0x684/0x1618 [ 551.690797][T15453] do_iter_readv_writev+0x420/0x5f8 [ 551.692151][T15453] do_iter_write+0x1b8/0x66c [ 551.693483][T15453] do_pwritev+0x1ec/0x334 [ 551.694691][T15453] __arm64_sys_pwritev2+0xd4/0x108 [ 551.695934][T15453] invoke_syscall+0x98/0x2b8 [ 551.697192][T15453] el0_svc_common+0x138/0x258 [ 551.698447][T15453] do_el0_svc+0x58/0x14c [ 551.699634][T15453] el0_svc+0x7c/0x1f0 [ 551.700722][T15453] el0t_64_sync_handler+0x84/0xe4 [ 551.702023][T15453] el0t_64_sync+0x1a0/0x1a4 [ 551.932443][T15460] loop1: detected capacity change from 0 to 32768 [ 551.949959][T15460] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz-executor297 (15460) [ 551.988680][T15460] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm [ 551.991202][T15460] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 551.999784][T15460] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 552.014883][T15460] BTRFS warning (device loop1): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 552.031542][T15460] BTRFS info (device loop1): trying to use backup root at mount time [ 552.033805][T15460] BTRFS info (device loop1): use zlib compression, level 3 [ 552.042178][T15460] BTRFS info (device loop1): enabling ssd optimizations [ 552.051169][T15460] BTRFS info (device loop1): using spread ssd allocation scheme [ 552.062713][T15460] BTRFS info (device loop1): using free space tree [ 552.064545][T15460] BTRFS info (device loop1): has skinny extents [ 552.148629][T15458] loop2: detected capacity change from 0 to 32768 [ 552.163350][T15458] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15458) [ 552.437051][T15460] FAULT_INJECTION: forcing a failure. [ 552.437051][T15460] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 552.443686][T15483] loop4: detected capacity change from 0 to 32768 [ 552.445519][T15460] CPU: 1 PID: 15460 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 552.447787][T15460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 552.450504][T15460] Call trace: [ 552.451343][T15460] dump_backtrace+0x0/0x530 [ 552.452451][T15460] show_stack+0x2c/0x3c [ 552.453476][T15460] dump_stack_lvl+0x108/0x170 [ 552.454659][T15460] dump_stack+0x1c/0x58 [ 552.455672][T15460] should_fail+0x3b8/0x514 [ 552.456797][T15460] should_fail_alloc_page+0x74/0xa8 [ 552.458156][T15460] prepare_alloc_pages+0x160/0x460 [ 552.459488][T15460] __alloc_pages+0x138/0x674 [ 552.460724][T15460] alloc_pages+0x368/0x5d4 [ 552.461918][T15460] __page_cache_alloc+0x78/0x524 [ 552.463087][T15460] pagecache_get_page+0xa1c/0xd94 [ 552.464357][T15460] prepare_pages+0x11c/0x344 [ 552.465558][T15460] btrfs_buffered_write+0x594/0xe6c [ 552.466925][T15460] btrfs_file_write_iter+0x1a8/0xb6c [ 552.468285][T15460] do_iter_readv_writev+0x420/0x5f8 [ 552.469633][T15460] do_iter_write+0x1b8/0x66c [ 552.470777][T15460] do_pwritev+0x1ec/0x334 [ 552.471944][T15460] __arm64_sys_pwritev2+0xd4/0x108 [ 552.473283][T15460] invoke_syscall+0x98/0x2b8 [ 552.474421][T15460] el0_svc_common+0x138/0x258 [ 552.475613][T15460] do_el0_svc+0x58/0x14c [ 552.476726][T15460] el0_svc+0x7c/0x1f0 [ 552.477759][T15460] el0t_64_sync_handler+0x84/0xe4 [ 552.478971][T15460] el0t_64_sync+0x1a0/0x1a4 [ 552.500437][T15483] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15483) [ 552.515732][T15481] loop0: detected capacity change from 0 to 32768 [ 552.536679][T15481] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15481) [ 552.556904][T15458] FAULT_INJECTION: forcing a failure. [ 552.556904][T15458] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.560357][T15458] CPU: 1 PID: 15458 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 552.562600][T15458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 552.565220][T15458] Call trace: [ 552.566036][T15458] dump_backtrace+0x0/0x530 [ 552.567230][T15458] show_stack+0x2c/0x3c [ 552.568259][T15458] dump_stack_lvl+0x108/0x170 [ 552.569501][T15458] dump_stack+0x1c/0x58 [ 552.570581][T15458] should_fail+0x3b8/0x514 [ 552.571779][T15458] should_fail_usercopy+0x20/0x30 [ 552.573084][T15458] copy_page_from_iter_atomic+0x3c8/0xffc [ 552.574588][T15458] generic_perform_write+0x2d0/0x520 [ 552.575928][T15458] ext4_buffered_write_iter+0x3fc/0x528 [ 552.577346][T15458] ext4_file_write_iter+0x684/0x1618 [ 552.578679][T15458] do_iter_readv_writev+0x420/0x5f8 [ 552.579979][T15458] do_iter_write+0x1b8/0x66c [ 552.581253][T15458] do_pwritev+0x1ec/0x334 [ 552.582373][T15458] __arm64_sys_pwritev2+0xd4/0x108 [ 552.583615][T15458] invoke_syscall+0x98/0x2b8 [ 552.584681][T15458] el0_svc_common+0x138/0x258 [ 552.585875][T15458] do_el0_svc+0x58/0x14c [ 552.586982][T15458] el0_svc+0x7c/0x1f0 [ 552.587932][T15458] el0t_64_sync_handler+0x84/0xe4 [ 552.589335][T15458] el0t_64_sync+0x1a0/0x1a4 [ 552.735715][T15483] FAULT_INJECTION: forcing a failure. [ 552.735715][T15483] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 552.739225][T15483] CPU: 1 PID: 15483 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 552.741424][T15483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 552.744074][T15483] Call trace: [ 552.744970][T15483] dump_backtrace+0x0/0x530 [ 552.746090][T15483] show_stack+0x2c/0x3c [ 552.747244][T15483] dump_stack_lvl+0x108/0x170 [ 552.748390][T15483] dump_stack+0x1c/0x58 [ 552.749465][T15483] should_fail+0x3b8/0x514 [ 552.750572][T15483] should_fail_usercopy+0x20/0x30 [ 552.751855][T15483] copy_page_from_iter_atomic+0x3c8/0xffc [ 552.753406][T15483] generic_perform_write+0x2d0/0x520 [ 552.754903][T15483] ext4_buffered_write_iter+0x3fc/0x528 [ 552.756335][T15483] ext4_file_write_iter+0x684/0x1618 [ 552.757677][T15483] do_iter_readv_writev+0x420/0x5f8 [ 552.759000][T15483] do_iter_write+0x1b8/0x66c [ 552.760235][T15483] do_pwritev+0x1ec/0x334 [ 552.761378][T15483] __arm64_sys_pwritev2+0xd4/0x108 [ 552.762707][T15483] invoke_syscall+0x98/0x2b8 [ 552.763845][T15483] el0_svc_common+0x138/0x258 [ 552.765004][T15483] do_el0_svc+0x58/0x14c [ 552.765969][T15483] el0_svc+0x7c/0x1f0 [ 552.766984][T15483] el0t_64_sync_handler+0x84/0xe4 [ 552.768346][T15483] el0t_64_sync+0x1a0/0x1a4 [ 552.863729][T15481] FAULT_INJECTION: forcing a failure. [ 552.863729][T15481] name failslab, interval 1, probability 0, space 0, times 0 [ 552.872941][T15481] CPU: 1 PID: 15481 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 552.875231][T15481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 552.877622][T15481] Call trace: [ 552.878411][T15481] dump_backtrace+0x0/0x530 [ 552.879512][T15481] show_stack+0x2c/0x3c [ 552.880493][T15481] dump_stack_lvl+0x108/0x170 [ 552.881619][T15481] dump_stack+0x1c/0x58 [ 552.882633][T15481] should_fail+0x3b8/0x514 [ 552.883708][T15481] __should_failslab+0xbc/0x110 [ 552.884882][T15481] should_failslab+0x10/0x28 [ 552.885988][T15481] slab_pre_alloc_hook+0x64/0xe8 [ 552.887208][T15481] kmem_cache_alloc+0x98/0x45c [ 552.888453][T15481] jbd2__journal_start+0x158/0x7b4 [ 552.889721][T15481] __ext4_journal_start_sb+0x358/0x70c [ 552.891108][T15481] ext4_dirty_inode+0x9c/0x100 [ 552.892227][T15481] __mark_inode_dirty+0x2b0/0x10f4 [ 552.893539][T15481] generic_write_end+0x15c/0x238 [ 552.894802][T15481] ext4_da_write_end+0x51c/0x930 [ 552.896107][T15481] generic_perform_write+0x354/0x520 [ 552.897474][T15481] ext4_buffered_write_iter+0x3fc/0x528 [ 552.898896][T15481] ext4_file_write_iter+0x684/0x1618 [ 552.900187][T15481] do_iter_readv_writev+0x420/0x5f8 [ 552.901497][T15481] do_iter_write+0x1b8/0x66c [ 552.902643][T15481] do_pwritev+0x1ec/0x334 [ 552.903773][T15481] __arm64_sys_pwritev2+0xd4/0x108 [ 552.905093][T15481] invoke_syscall+0x98/0x2b8 [ 552.906300][T15481] el0_svc_common+0x138/0x258 [ 552.907483][T15481] do_el0_svc+0x58/0x14c [ 552.908477][T15481] el0_svc+0x7c/0x1f0 [ 552.909431][T15481] el0t_64_sync_handler+0x84/0xe4 [ 552.910656][T15481] el0t_64_sync+0x1a0/0x1a4 [ 552.942667][T15485] loop5: detected capacity change from 0 to 32768 [ 552.962971][T15485] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop5 scanned by syz-executor297 (15485) [ 552.974932][T15485] BTRFS info (device loop5): using crc32c (crc32c-generic) checksum algorithm [ 552.978890][T15487] loop3: detected capacity change from 0 to 32768 [ 552.984147][T15485] BTRFS warning (device loop5): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 552.994104][T15485] BTRFS warning (device loop5): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 553.003965][T15485] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 553.007288][T15487] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15487) [ 553.013699][T15485] BTRFS info (device loop5): trying to use backup root at mount time [ 553.022058][T15485] BTRFS info (device loop5): use zlib compression, level 3 [ 553.028659][T15485] BTRFS info (device loop5): enabling ssd optimizations [ 553.035755][T15485] BTRFS info (device loop5): using spread ssd allocation scheme [ 553.041255][T15485] BTRFS info (device loop5): using free space tree [ 553.048011][T15485] BTRFS info (device loop5): has skinny extents [ 553.261592][T15485] FAULT_INJECTION: forcing a failure. [ 553.261592][T15485] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 553.265117][T15485] CPU: 1 PID: 15485 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 553.267368][T15485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 553.269831][T15485] Call trace: [ 553.270725][T15485] dump_backtrace+0x0/0x530 [ 553.271881][T15485] show_stack+0x2c/0x3c [ 553.272892][T15485] dump_stack_lvl+0x108/0x170 [ 553.274112][T15485] dump_stack+0x1c/0x58 [ 553.275058][T15485] should_fail+0x3b8/0x514 [ 553.276251][T15485] should_fail_alloc_page+0x74/0xa8 [ 553.277543][T15485] prepare_alloc_pages+0x160/0x460 [ 553.278814][T15485] __alloc_pages+0x138/0x674 [ 553.279990][T15485] alloc_pages+0x368/0x5d4 [ 553.281149][T15485] __page_cache_alloc+0x78/0x524 [ 553.282424][T15485] pagecache_get_page+0xa1c/0xd94 [ 553.283641][T15485] prepare_pages+0x11c/0x344 [ 553.284755][T15485] btrfs_buffered_write+0x594/0xe6c [ 553.286012][T15485] btrfs_file_write_iter+0x1a8/0xb6c [ 553.287324][T15485] do_iter_readv_writev+0x420/0x5f8 [ 553.288783][T15485] do_iter_write+0x1b8/0x66c [ 553.289993][T15485] do_pwritev+0x1ec/0x334 [ 553.291127][T15485] __arm64_sys_pwritev2+0xd4/0x108 [ 553.292358][T15485] invoke_syscall+0x98/0x2b8 [ 553.293600][T15485] el0_svc_common+0x138/0x258 [ 553.294754][T15485] do_el0_svc+0x58/0x14c [ 553.295775][T15485] el0_svc+0x7c/0x1f0 [ 553.296848][T15485] el0t_64_sync_handler+0x84/0xe4 [ 553.298192][T15485] el0t_64_sync+0x1a0/0x1a4 [ 553.333310][T15487] FAULT_INJECTION: forcing a failure. [ 553.333310][T15487] name failslab, interval 1, probability 0, space 0, times 0 [ 553.345744][T15487] CPU: 1 PID: 15487 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 553.347969][T15487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 553.350636][T15487] Call trace: [ 553.351445][T15487] dump_backtrace+0x0/0x530 [ 553.352658][T15487] show_stack+0x2c/0x3c [ 553.353734][T15487] dump_stack_lvl+0x108/0x170 [ 553.354852][T15487] dump_stack+0x1c/0x58 [ 553.355881][T15487] should_fail+0x3b8/0x514 [ 553.357069][T15487] __should_failslab+0xbc/0x110 [ 553.358255][T15487] should_failslab+0x10/0x28 [ 553.359478][T15487] slab_pre_alloc_hook+0x64/0xe8 [ 553.360648][T15487] kmem_cache_alloc+0x98/0x45c [ 553.361883][T15487] jbd2__journal_start+0x158/0x7b4 [ 553.363249][T15487] __ext4_journal_start_sb+0x358/0x70c [ 553.364632][T15487] ext4_dirty_inode+0x9c/0x100 [ 553.365759][T15487] __mark_inode_dirty+0x2b0/0x10f4 [ 553.366955][T15487] generic_write_end+0x15c/0x238 [ 553.368201][T15487] ext4_da_write_end+0x51c/0x930 [ 553.369476][T15487] generic_perform_write+0x354/0x520 [ 553.370819][T15487] ext4_buffered_write_iter+0x3fc/0x528 [ 553.372237][T15487] ext4_file_write_iter+0x684/0x1618 [ 553.373615][T15487] do_iter_readv_writev+0x420/0x5f8 [ 553.374917][T15487] do_iter_write+0x1b8/0x66c [ 553.376044][T15487] do_pwritev+0x1ec/0x334 [ 553.377214][T15487] __arm64_sys_pwritev2+0xd4/0x108 [ 553.378544][T15487] invoke_syscall+0x98/0x2b8 [ 553.379767][T15487] el0_svc_common+0x138/0x258 [ 553.380886][T15487] do_el0_svc+0x58/0x14c [ 553.382066][T15487] el0_svc+0x7c/0x1f0 [ 553.383102][T15487] el0t_64_sync_handler+0x84/0xe4 [ 553.384420][T15487] el0t_64_sync+0x1a0/0x1a4 [ 553.604715][T15510] loop1: detected capacity change from 0 to 32768 [ 553.645471][T15510] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15510) [ 553.778754][T15508] loop2: detected capacity change from 0 to 32768 [ 553.798791][T15508] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz-executor297 (15508) [ 553.818167][T15508] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm [ 553.820473][T15508] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 553.841451][T15508] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 553.842577][T15512] loop4: detected capacity change from 0 to 32768 [ 553.844113][T15508] BTRFS warning (device loop2): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 553.844147][T15508] BTRFS info (device loop2): trying to use backup root at mount time [ 553.850419][T15508] BTRFS info (device loop2): use zlib compression, level 3 [ 553.861232][T15512] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15512) [ 553.901516][T15508] BTRFS info (device loop2): enabling ssd optimizations [ 553.903421][T15508] BTRFS info (device loop2): using spread ssd allocation scheme [ 553.905295][T15508] BTRFS info (device loop2): using free space tree [ 553.906869][T15508] BTRFS info (device loop2): has skinny extents [ 553.951007][T15510] FAULT_INJECTION: forcing a failure. [ 553.951007][T15510] name failslab, interval 1, probability 0, space 0, times 0 [ 553.984821][T15510] CPU: 0 PID: 15510 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 553.987129][T15510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 553.989699][T15510] Call trace: [ 553.990570][T15510] dump_backtrace+0x0/0x530 [ 553.991773][T15510] show_stack+0x2c/0x3c [ 553.992884][T15510] dump_stack_lvl+0x108/0x170 [ 553.994167][T15510] dump_stack+0x1c/0x58 [ 553.995255][T15510] should_fail+0x3b8/0x514 [ 553.996434][T15510] __should_failslab+0xbc/0x110 [ 553.997692][T15510] should_failslab+0x10/0x28 [ 553.998851][T15510] slab_pre_alloc_hook+0x64/0xe8 [ 554.000164][T15510] kmem_cache_alloc+0x98/0x45c [ 554.001544][T15510] jbd2__journal_start+0x158/0x7b4 [ 554.002906][T15510] __ext4_journal_start_sb+0x358/0x70c [ 554.004360][T15510] ext4_dirty_inode+0x9c/0x100 [ 554.005641][T15510] __mark_inode_dirty+0x2b0/0x10f4 [ 554.007036][T15510] generic_write_end+0x15c/0x238 [ 554.008343][T15510] ext4_da_write_end+0x51c/0x930 [ 554.009679][T15510] generic_perform_write+0x354/0x520 [ 554.011128][T15510] ext4_buffered_write_iter+0x3fc/0x528 [ 554.012537][T15510] ext4_file_write_iter+0x684/0x1618 [ 554.013937][T15510] do_iter_readv_writev+0x420/0x5f8 [ 554.015253][T15510] do_iter_write+0x1b8/0x66c [ 554.016426][T15510] do_pwritev+0x1ec/0x334 [ 554.017533][T15510] __arm64_sys_pwritev2+0xd4/0x108 [ 554.018939][T15510] invoke_syscall+0x98/0x2b8 [ 554.020092][T15510] el0_svc_common+0x138/0x258 [ 554.021306][T15510] do_el0_svc+0x58/0x14c [ 554.022472][T15510] el0_svc+0x7c/0x1f0 [ 554.023492][T15510] el0t_64_sync_handler+0x84/0xe4 [ 554.024775][T15510] el0t_64_sync+0x1a0/0x1a4 [ 554.078862][T15517] loop0: detected capacity change from 0 to 32768 [ 554.092921][T15517] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15517) [ 554.129720][T15512] FAULT_INJECTION: forcing a failure. [ 554.129720][T15512] name failslab, interval 1, probability 0, space 0, times 0 [ 554.140908][T15512] CPU: 0 PID: 15512 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 554.143281][T15512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 554.145818][T15512] Call trace: [ 554.146698][T15512] dump_backtrace+0x0/0x530 [ 554.147842][T15512] show_stack+0x2c/0x3c [ 554.148934][T15512] dump_stack_lvl+0x108/0x170 [ 554.150221][T15512] dump_stack+0x1c/0x58 [ 554.151269][T15512] should_fail+0x3b8/0x514 [ 554.152486][T15512] __should_failslab+0xbc/0x110 [ 554.153714][T15512] should_failslab+0x10/0x28 [ 554.155075][T15512] slab_pre_alloc_hook+0x64/0xe8 [ 554.156414][T15512] kmem_cache_alloc+0x98/0x45c [ 554.157676][T15512] jbd2__journal_start+0x158/0x7b4 [ 554.158999][T15512] __ext4_journal_start_sb+0x358/0x70c [ 554.160472][T15512] ext4_dirty_inode+0x9c/0x100 [ 554.161832][T15512] __mark_inode_dirty+0x2b0/0x10f4 [ 554.163286][T15512] generic_write_end+0x15c/0x238 [ 554.164469][T15512] ext4_da_write_end+0x51c/0x930 [ 554.165650][T15512] generic_perform_write+0x354/0x520 [ 554.167046][T15512] ext4_buffered_write_iter+0x3fc/0x528 [ 554.168459][T15512] ext4_file_write_iter+0x684/0x1618 [ 554.169795][T15512] do_iter_readv_writev+0x420/0x5f8 [ 554.171118][T15512] do_iter_write+0x1b8/0x66c [ 554.172296][T15512] do_pwritev+0x1ec/0x334 [ 554.173345][T15512] __arm64_sys_pwritev2+0xd4/0x108 [ 554.174644][T15512] invoke_syscall+0x98/0x2b8 [ 554.175895][T15512] el0_svc_common+0x138/0x258 [ 554.177130][T15512] do_el0_svc+0x58/0x14c [ 554.178175][T15512] el0_svc+0x7c/0x1f0 [ 554.179181][T15512] el0t_64_sync_handler+0x84/0xe4 [ 554.180427][T15512] el0t_64_sync+0x1a0/0x1a4 [ 554.221557][T15508] FAULT_INJECTION: forcing a failure. [ 554.221557][T15508] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 554.230981][T15508] CPU: 0 PID: 15508 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 554.233467][T15508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 554.236063][T15508] Call trace: [ 554.236908][T15508] dump_backtrace+0x0/0x530 [ 554.238001][T15508] show_stack+0x2c/0x3c [ 554.239037][T15508] dump_stack_lvl+0x108/0x170 [ 554.240115][T15508] dump_stack+0x1c/0x58 [ 554.241276][T15508] should_fail+0x3b8/0x514 [ 554.242447][T15508] should_fail_alloc_page+0x74/0xa8 [ 554.243797][T15508] prepare_alloc_pages+0x160/0x460 [ 554.245146][T15508] __alloc_pages+0x138/0x674 [ 554.246357][T15508] alloc_pages+0x368/0x5d4 [ 554.247492][T15508] __page_cache_alloc+0x78/0x524 [ 554.248791][T15508] pagecache_get_page+0xa1c/0xd94 [ 554.250074][T15508] prepare_pages+0x11c/0x344 [ 554.251246][T15508] btrfs_buffered_write+0x594/0xe6c [ 554.252637][T15508] btrfs_file_write_iter+0x1a8/0xb6c [ 554.254030][T15508] do_iter_readv_writev+0x420/0x5f8 [ 554.255357][T15508] do_iter_write+0x1b8/0x66c [ 554.256524][T15508] do_pwritev+0x1ec/0x334 [ 554.257628][T15508] __arm64_sys_pwritev2+0xd4/0x108 [ 554.259063][T15508] invoke_syscall+0x98/0x2b8 [ 554.260272][T15508] el0_svc_common+0x138/0x258 [ 554.261570][T15508] do_el0_svc+0x58/0x14c [ 554.262675][T15508] el0_svc+0x7c/0x1f0 [ 554.263670][T15508] el0t_64_sync_handler+0x84/0xe4 [ 554.264917][T15508] el0t_64_sync+0x1a0/0x1a4 [ 554.266645][T15534] loop3: detected capacity change from 0 to 32768 [ 554.277578][T15534] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15534) [ 554.337111][T15517] FAULT_INJECTION: forcing a failure. [ 554.337111][T15517] name failslab, interval 1, probability 0, space 0, times 0 [ 554.352939][T15517] CPU: 0 PID: 15517 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 554.355188][T15517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 554.357853][T15517] Call trace: [ 554.358649][T15517] dump_backtrace+0x0/0x530 [ 554.359868][T15517] show_stack+0x2c/0x3c [ 554.361031][T15517] dump_stack_lvl+0x108/0x170 [ 554.362248][T15517] dump_stack+0x1c/0x58 [ 554.363323][T15517] should_fail+0x3b8/0x514 [ 554.364509][T15517] __should_failslab+0xbc/0x110 [ 554.365804][T15517] should_failslab+0x10/0x28 [ 554.367012][T15517] slab_pre_alloc_hook+0x64/0xe8 [ 554.368274][T15517] kmem_cache_alloc+0x98/0x45c [ 554.369508][T15517] jbd2__journal_start+0x158/0x7b4 [ 554.370840][T15517] __ext4_journal_start_sb+0x358/0x70c [ 554.372243][T15517] ext4_dirty_inode+0x9c/0x100 [ 554.373571][T15517] __mark_inode_dirty+0x2b0/0x10f4 [ 554.374848][T15517] generic_write_end+0x15c/0x238 [ 554.376030][T15517] ext4_da_write_end+0x51c/0x930 [ 554.377275][T15517] generic_perform_write+0x354/0x520 [ 554.378646][T15517] ext4_buffered_write_iter+0x3fc/0x528 [ 554.380110][T15517] ext4_file_write_iter+0x684/0x1618 [ 554.381511][T15517] do_iter_readv_writev+0x420/0x5f8 [ 554.382880][T15517] do_iter_write+0x1b8/0x66c [ 554.384098][T15517] do_pwritev+0x1ec/0x334 [ 554.385239][T15517] __arm64_sys_pwritev2+0xd4/0x108 [ 554.386525][T15517] invoke_syscall+0x98/0x2b8 [ 554.387678][T15517] el0_svc_common+0x138/0x258 [ 554.388724][T15517] do_el0_svc+0x58/0x14c [ 554.389855][T15517] el0_svc+0x7c/0x1f0 [ 554.390908][T15517] el0t_64_sync_handler+0x84/0xe4 [ 554.392177][T15517] el0t_64_sync+0x1a0/0x1a4 [ 554.534152][T15534] FAULT_INJECTION: forcing a failure. [ 554.534152][T15534] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 554.537593][T15534] CPU: 0 PID: 15534 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 554.539781][T15534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 554.542381][T15534] Call trace: [ 554.543191][T15534] dump_backtrace+0x0/0x530 [ 554.544355][T15534] show_stack+0x2c/0x3c [ 554.545452][T15534] dump_stack_lvl+0x108/0x170 [ 554.546679][T15534] dump_stack+0x1c/0x58 [ 554.547741][T15534] should_fail+0x3b8/0x514 [ 554.548930][T15534] should_fail_usercopy+0x20/0x30 [ 554.550182][T15534] copy_page_from_iter_atomic+0x3c8/0xffc [ 554.551720][T15534] generic_perform_write+0x2d0/0x520 [ 554.553111][T15534] ext4_buffered_write_iter+0x3fc/0x528 [ 554.554646][T15534] ext4_file_write_iter+0x684/0x1618 [ 554.556049][T15534] do_iter_readv_writev+0x420/0x5f8 [ 554.557463][T15534] do_iter_write+0x1b8/0x66c [ 554.558644][T15534] do_pwritev+0x1ec/0x334 [ 554.559732][T15534] __arm64_sys_pwritev2+0xd4/0x108 [ 554.561017][T15534] invoke_syscall+0x98/0x2b8 [ 554.562182][T15534] el0_svc_common+0x138/0x258 [ 554.563409][T15534] do_el0_svc+0x58/0x14c [ 554.564471][T15534] el0_svc+0x7c/0x1f0 [ 554.565504][T15534] el0t_64_sync_handler+0x84/0xe4 [ 554.566803][T15534] el0t_64_sync+0x1a0/0x1a4 [ 554.929910][T15537] FAULT_INJECTION: forcing a failure. [ 554.929910][T15537] name failslab, interval 1, probability 0, space 0, times 0 [ 554.947181][T15537] CPU: 1 PID: 15537 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 554.949529][T15537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 554.952150][T15537] Call trace: [ 554.952996][T15537] dump_backtrace+0x0/0x530 [ 554.954170][T15537] show_stack+0x2c/0x3c [ 554.955132][T15537] dump_stack_lvl+0x108/0x170 [ 554.956225][T15537] dump_stack+0x1c/0x58 [ 554.957289][T15537] should_fail+0x3b8/0x514 [ 554.958512][T15537] __should_failslab+0xbc/0x110 [ 554.959784][T15537] should_failslab+0x10/0x28 [ 554.961178][T15537] slab_pre_alloc_hook+0x64/0xe8 [ 554.962459][T15537] kmem_cache_alloc+0x98/0x45c [ 554.963734][T15537] jbd2__journal_start+0x158/0x7b4 [ 554.965070][T15537] __ext4_journal_start_sb+0x358/0x70c [ 554.966481][T15537] ext4_dirty_inode+0x9c/0x100 [ 554.967658][T15537] __mark_inode_dirty+0x2b0/0x10f4 [ 554.969001][T15537] generic_write_end+0x15c/0x238 [ 554.970292][T15537] ext4_da_write_end+0x51c/0x930 [ 554.971621][T15537] generic_perform_write+0x354/0x520 [ 554.973008][T15537] ext4_buffered_write_iter+0x3fc/0x528 [ 554.974524][T15537] ext4_file_write_iter+0x684/0x1618 [ 554.975896][T15537] do_iter_readv_writev+0x420/0x5f8 [ 554.977219][T15537] do_iter_write+0x1b8/0x66c [ 554.978418][T15537] do_pwritev+0x1ec/0x334 [ 554.979593][T15537] __arm64_sys_pwritev2+0xd4/0x108 [ 554.980828][T15537] invoke_syscall+0x98/0x2b8 [ 554.982051][T15537] el0_svc_common+0x138/0x258 [ 554.983250][T15537] do_el0_svc+0x58/0x14c [ 554.984354][T15537] el0_svc+0x7c/0x1f0 [ 554.985355][T15537] el0t_64_sync_handler+0x84/0xe4 [ 554.986708][T15537] el0t_64_sync+0x1a0/0x1a4 [ 555.005792][T15555] loop1: detected capacity change from 0 to 32768 [ 555.016994][T15555] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz-executor297 (15555) [ 555.034457][T15555] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm [ 555.041584][T15555] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 555.051568][T15555] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 555.061252][T15555] BTRFS warning (device loop1): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 555.068739][T15555] BTRFS info (device loop1): trying to use backup root at mount time [ 555.076668][T15555] BTRFS info (device loop1): use zlib compression, level 3 [ 555.083354][T15555] BTRFS info (device loop1): enabling ssd optimizations [ 555.088689][T15555] BTRFS info (device loop1): using spread ssd allocation scheme [ 555.095373][T15555] BTRFS info (device loop1): using free space tree [ 555.100681][T15555] BTRFS info (device loop1): has skinny extents [ 555.162505][T15559] loop4: detected capacity change from 0 to 32768 [ 555.175612][T15559] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15559) [ 555.370325][T15559] FAULT_INJECTION: forcing a failure. [ 555.370325][T15559] name failslab, interval 1, probability 0, space 0, times 0 [ 555.376181][T15559] CPU: 0 PID: 15559 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 555.378304][T15559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 555.380894][T15559] Call trace: [ 555.381700][T15559] dump_backtrace+0x0/0x530 [ 555.382746][T15559] show_stack+0x2c/0x3c [ 555.383750][T15559] dump_stack_lvl+0x108/0x170 [ 555.384827][T15559] dump_stack+0x1c/0x58 [ 555.385846][T15559] should_fail+0x3b8/0x514 [ 555.386965][T15559] __should_failslab+0xbc/0x110 [ 555.388240][T15559] should_failslab+0x10/0x28 [ 555.389400][T15559] slab_pre_alloc_hook+0x64/0xe8 [ 555.390607][T15559] kmem_cache_alloc+0x98/0x45c [ 555.391927][T15559] jbd2__journal_start+0x158/0x7b4 [ 555.393364][T15559] __ext4_journal_start_sb+0x358/0x70c [ 555.394866][T15559] ext4_dirty_inode+0x9c/0x100 [ 555.396167][T15559] __mark_inode_dirty+0x2b0/0x10f4 [ 555.397552][T15559] generic_write_end+0x15c/0x238 [ 555.398883][T15559] ext4_da_write_end+0x51c/0x930 [ 555.400296][T15559] generic_perform_write+0x354/0x520 [ 555.401688][T15559] ext4_buffered_write_iter+0x3fc/0x528 [ 555.403150][T15559] ext4_file_write_iter+0x684/0x1618 [ 555.404596][T15559] do_iter_readv_writev+0x420/0x5f8 [ 555.405972][T15559] do_iter_write+0x1b8/0x66c [ 555.407176][T15559] do_pwritev+0x1ec/0x334 [ 555.408279][T15559] __arm64_sys_pwritev2+0xd4/0x108 [ 555.409641][T15559] invoke_syscall+0x98/0x2b8 [ 555.410844][T15559] el0_svc_common+0x138/0x258 [ 555.412010][T15559] do_el0_svc+0x58/0x14c [ 555.413158][T15559] el0_svc+0x7c/0x1f0 [ 555.414180][T15559] el0t_64_sync_handler+0x84/0xe4 [ 555.415590][T15559] el0t_64_sync+0x1a0/0x1a4 [ 555.431982][T15555] FAULT_INJECTION: forcing a failure. [ 555.431982][T15555] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 555.435792][T15555] CPU: 1 PID: 15555 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 555.438140][T15555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 555.440807][T15555] Call trace: [ 555.441617][T15555] dump_backtrace+0x0/0x530 [ 555.442762][T15555] show_stack+0x2c/0x3c [ 555.443840][T15555] dump_stack_lvl+0x108/0x170 [ 555.445078][T15555] dump_stack+0x1c/0x58 [ 555.446173][T15555] should_fail+0x3b8/0x514 [ 555.447292][T15555] should_fail_alloc_page+0x74/0xa8 [ 555.448650][T15555] prepare_alloc_pages+0x160/0x460 [ 555.449939][T15555] __alloc_pages+0x138/0x674 [ 555.451156][T15555] alloc_pages+0x368/0x5d4 [ 555.452308][T15555] __page_cache_alloc+0x78/0x524 [ 555.453568][T15555] pagecache_get_page+0xa1c/0xd94 [ 555.454875][T15555] prepare_pages+0x11c/0x344 [ 555.455996][T15555] btrfs_buffered_write+0x594/0xe6c [ 555.457289][T15555] btrfs_file_write_iter+0x1a8/0xb6c [ 555.458676][T15555] do_iter_readv_writev+0x420/0x5f8 [ 555.460023][T15555] do_iter_write+0x1b8/0x66c [ 555.461261][T15555] do_pwritev+0x1ec/0x334 [ 555.462451][T15555] __arm64_sys_pwritev2+0xd4/0x108 [ 555.463748][T15555] invoke_syscall+0x98/0x2b8 [ 555.464937][T15555] el0_svc_common+0x138/0x258 [ 555.466202][T15555] do_el0_svc+0x58/0x14c [ 555.467264][T15555] el0_svc+0x7c/0x1f0 [ 555.468322][T15555] el0t_64_sync_handler+0x84/0xe4 [ 555.469483][T15555] el0t_64_sync+0x1a0/0x1a4 [ 555.497625][T15565] loop3: detected capacity change from 0 to 32768 [ 555.510978][T15565] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15565) [ 555.518493][T15563] loop2: detected capacity change from 0 to 32768 [ 555.533188][T15563] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15563) [ 555.586734][T15561] loop0: detected capacity change from 0 to 32768 [ 555.614370][T15561] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15561) [ 555.799914][T12147] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 10 /dev/loop1 scanned by udevd (12147) [ 555.877474][T15565] FAULT_INJECTION: forcing a failure. [ 555.877474][T15565] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 555.880879][T15565] CPU: 0 PID: 15565 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 555.883162][T15565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 555.885676][T15565] Call trace: [ 555.886510][T15565] dump_backtrace+0x0/0x530 [ 555.887584][T15565] show_stack+0x2c/0x3c [ 555.888564][T15565] dump_stack_lvl+0x108/0x170 [ 555.889827][T15565] dump_stack+0x1c/0x58 [ 555.890747][T15565] should_fail+0x3b8/0x514 [ 555.891807][T15565] should_fail_usercopy+0x20/0x30 [ 555.893105][T15565] copy_page_from_iter_atomic+0x3c8/0xffc [ 555.894554][T15565] generic_perform_write+0x2d0/0x520 [ 555.895922][T15565] ext4_buffered_write_iter+0x3fc/0x528 [ 555.897373][T15565] ext4_file_write_iter+0x684/0x1618 [ 555.898763][T15565] do_iter_readv_writev+0x420/0x5f8 [ 555.900135][T15565] do_iter_write+0x1b8/0x66c [ 555.901220][T15565] do_pwritev+0x1ec/0x334 [ 555.902327][T15565] __arm64_sys_pwritev2+0xd4/0x108 [ 555.903665][T15565] invoke_syscall+0x98/0x2b8 [ 555.904809][T15565] el0_svc_common+0x138/0x258 [ 555.905919][T15565] do_el0_svc+0x58/0x14c [ 555.907026][T15565] el0_svc+0x7c/0x1f0 [ 555.908078][T15565] el0t_64_sync_handler+0x84/0xe4 [ 555.909344][T15565] el0t_64_sync+0x1a0/0x1a4 [ 555.924233][T15563] FAULT_INJECTION: forcing a failure. [ 555.924233][T15563] name failslab, interval 1, probability 0, space 0, times 0 [ 555.932079][T15563] CPU: 0 PID: 15563 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 555.934146][T15563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 555.936751][T15563] Call trace: [ 555.936899][T15561] FAULT_INJECTION: forcing a failure. [ 555.936899][T15561] name failslab, interval 1, probability 0, space 0, times 0 [ 555.937588][T15563] dump_backtrace+0x0/0x530 [ 555.942010][T15563] show_stack+0x2c/0x3c [ 555.943081][T15563] dump_stack_lvl+0x108/0x170 [ 555.944240][T15563] dump_stack+0x1c/0x58 [ 555.945285][T15563] should_fail+0x3b8/0x514 [ 555.946365][T15563] __should_failslab+0xbc/0x110 [ 555.947642][T15563] should_failslab+0x10/0x28 [ 555.948792][T15563] slab_pre_alloc_hook+0x64/0xe8 [ 555.950099][T15563] kmem_cache_alloc+0x98/0x45c [ 555.951347][T15563] jbd2__journal_start+0x158/0x7b4 [ 555.952592][T15563] __ext4_journal_start_sb+0x358/0x70c [ 555.954055][T15563] ext4_dirty_inode+0x9c/0x100 [ 555.955262][T15563] __mark_inode_dirty+0x2b0/0x10f4 [ 555.956513][T15563] generic_write_end+0x15c/0x238 [ 555.957789][T15563] ext4_da_write_end+0x51c/0x930 [ 555.958987][T15563] generic_perform_write+0x354/0x520 [ 555.960399][T15563] ext4_buffered_write_iter+0x3fc/0x528 [ 555.961718][T15563] ext4_file_write_iter+0x684/0x1618 [ 555.963108][T15563] do_iter_readv_writev+0x420/0x5f8 [ 555.964398][T15563] do_iter_write+0x1b8/0x66c [ 555.965528][T15563] do_pwritev+0x1ec/0x334 [ 555.966532][T15563] __arm64_sys_pwritev2+0xd4/0x108 [ 555.967805][T15563] invoke_syscall+0x98/0x2b8 [ 555.968996][T15563] el0_svc_common+0x138/0x258 [ 555.970170][T15563] do_el0_svc+0x58/0x14c [ 555.971263][T15563] el0_svc+0x7c/0x1f0 [ 555.972193][T15563] el0t_64_sync_handler+0x84/0xe4 [ 555.973393][T15563] el0t_64_sync+0x1a0/0x1a4 [ 555.974480][T15561] CPU: 1 PID: 15561 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 555.976866][T15561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 555.979480][T15561] Call trace: [ 555.980335][T15561] dump_backtrace+0x0/0x530 [ 555.981527][T15561] show_stack+0x2c/0x3c [ 555.982551][T15561] dump_stack_lvl+0x108/0x170 [ 555.983689][T15561] dump_stack+0x1c/0x58 [ 555.984786][T15561] should_fail+0x3b8/0x514 [ 555.985915][T15561] __should_failslab+0xbc/0x110 [ 555.987174][T15561] should_failslab+0x10/0x28 [ 555.988374][T15561] slab_pre_alloc_hook+0x64/0xe8 [ 555.989642][T15561] kmem_cache_alloc+0x98/0x45c [ 555.990900][T15561] jbd2__journal_start+0x158/0x7b4 [ 555.992170][T15561] __ext4_journal_start_sb+0x358/0x70c [ 555.993587][T15561] ext4_dirty_inode+0x9c/0x100 [ 555.994784][T15561] __mark_inode_dirty+0x2b0/0x10f4 [ 555.996158][T15561] generic_write_end+0x15c/0x238 [ 555.997334][T15561] ext4_da_write_end+0x51c/0x930 [ 555.998553][T15561] generic_perform_write+0x354/0x520 [ 556.000030][T15561] ext4_buffered_write_iter+0x3fc/0x528 [ 556.001416][T15561] ext4_file_write_iter+0x684/0x1618 [ 556.002698][T15561] do_iter_readv_writev+0x420/0x5f8 [ 556.004039][T15561] do_iter_write+0x1b8/0x66c [ 556.005258][T15561] do_pwritev+0x1ec/0x334 [ 556.006260][T15561] __arm64_sys_pwritev2+0xd4/0x108 [ 556.007628][T15561] invoke_syscall+0x98/0x2b8 [ 556.008770][T15561] el0_svc_common+0x138/0x258 [ 556.010018][T15561] do_el0_svc+0x58/0x14c [ 556.011095][T15561] el0_svc+0x7c/0x1f0 [ 556.012167][T15561] el0t_64_sync_handler+0x84/0xe4 [ 556.013495][T15561] el0t_64_sync+0x1a0/0x1a4 [ 556.083354][T15571] loop5: detected capacity change from 0 to 32768 [ 556.344695][T15571] FAULT_INJECTION: forcing a failure. [ 556.344695][T15571] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 556.348239][T15571] CPU: 1 PID: 15571 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 556.350265][T15571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 556.352652][T15571] Call trace: [ 556.353431][T15571] dump_backtrace+0x0/0x530 [ 556.354585][T15571] show_stack+0x2c/0x3c [ 556.355612][T15571] dump_stack_lvl+0x108/0x170 [ 556.356826][T15571] dump_stack+0x1c/0x58 [ 556.357775][T15571] should_fail+0x3b8/0x514 [ 556.358807][T15571] should_fail_usercopy+0x20/0x30 [ 556.360032][T15571] copy_page_from_iter_atomic+0x3c8/0xffc [ 556.361526][T15571] generic_perform_write+0x2d0/0x520 [ 556.362879][T15571] ext4_buffered_write_iter+0x3fc/0x528 [ 556.364208][T15571] ext4_file_write_iter+0x684/0x1618 [ 556.365576][T15571] do_iter_readv_writev+0x420/0x5f8 [ 556.366821][T15571] do_iter_write+0x1b8/0x66c [ 556.367952][T15571] do_pwritev+0x1ec/0x334 [ 556.369008][T15571] __arm64_sys_pwritev2+0xd4/0x108 [ 556.370236][T15571] invoke_syscall+0x98/0x2b8 [ 556.371393][T15571] el0_svc_common+0x138/0x258 [ 556.372625][T15571] do_el0_svc+0x58/0x14c [ 556.373751][T15571] el0_svc+0x7c/0x1f0 [ 556.374783][T15571] el0t_64_sync_handler+0x84/0xe4 [ 556.376153][T15571] el0t_64_sync+0x1a0/0x1a4 [ 556.383516][T15587] loop4: detected capacity change from 0 to 32768 [ 556.646839][T15587] FAULT_INJECTION: forcing a failure. [ 556.646839][T15587] name failslab, interval 1, probability 0, space 0, times 0 [ 556.659638][T15587] CPU: 0 PID: 15587 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 556.661775][T15587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 556.664413][T15587] Call trace: [ 556.665253][T15587] dump_backtrace+0x0/0x530 [ 556.666389][T15587] show_stack+0x2c/0x3c [ 556.667412][T15587] dump_stack_lvl+0x108/0x170 [ 556.668597][T15587] dump_stack+0x1c/0x58 [ 556.669683][T15587] should_fail+0x3b8/0x514 [ 556.670880][T15587] __should_failslab+0xbc/0x110 [ 556.672200][T15587] should_failslab+0x10/0x28 [ 556.673446][T15587] slab_pre_alloc_hook+0x64/0xe8 [ 556.674708][T15587] kmem_cache_alloc+0x98/0x45c [ 556.675945][T15587] jbd2__journal_start+0x158/0x7b4 [ 556.677296][T15587] __ext4_journal_start_sb+0x358/0x70c [ 556.678773][T15587] ext4_dirty_inode+0x9c/0x100 [ 556.679955][T15587] __mark_inode_dirty+0x2b0/0x10f4 [ 556.681305][T15587] generic_write_end+0x15c/0x238 [ 556.682575][T15587] ext4_da_write_end+0x51c/0x930 [ 556.683930][T15587] generic_perform_write+0x354/0x520 [ 556.685281][T15587] ext4_buffered_write_iter+0x3fc/0x528 [ 556.686770][T15587] ext4_file_write_iter+0x684/0x1618 [ 556.688155][T15587] do_iter_readv_writev+0x420/0x5f8 [ 556.689531][T15587] do_iter_write+0x1b8/0x66c [ 556.690768][T15587] do_pwritev+0x1ec/0x334 [ 556.691868][T15587] __arm64_sys_pwritev2+0xd4/0x108 [ 556.693183][T15587] invoke_syscall+0x98/0x2b8 [ 556.694370][T15587] el0_svc_common+0x138/0x258 [ 556.695557][T15587] do_el0_svc+0x58/0x14c [ 556.696680][T15587] el0_svc+0x7c/0x1f0 [ 556.697695][T15587] el0t_64_sync_handler+0x84/0xe4 [ 556.698953][T15587] el0t_64_sync+0x1a0/0x1a4 [ 556.950029][T15592] loop3: detected capacity change from 0 to 32768 [ 556.961177][T15589] FAULT_INJECTION: forcing a failure. [ 556.961177][T15589] name failslab, interval 1, probability 0, space 0, times 0 [ 556.973895][T15589] CPU: 0 PID: 15589 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 556.976202][T15589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 556.978859][T15589] Call trace: [ 556.979741][T15589] dump_backtrace+0x0/0x530 [ 556.980819][T15589] show_stack+0x2c/0x3c [ 556.981956][T15589] dump_stack_lvl+0x108/0x170 [ 556.983273][T15589] dump_stack+0x1c/0x58 [ 556.984384][T15589] should_fail+0x3b8/0x514 [ 556.985525][T15589] __should_failslab+0xbc/0x110 [ 556.986752][T15589] should_failslab+0x10/0x28 [ 556.987965][T15589] slab_pre_alloc_hook+0x64/0xe8 [ 556.989501][T15589] kmem_cache_alloc+0x98/0x45c [ 556.990729][T15589] jbd2__journal_start+0x158/0x7b4 [ 556.992060][T15589] __ext4_journal_start_sb+0x358/0x70c [ 556.993576][T15589] ext4_dirty_inode+0x9c/0x100 [ 556.994807][T15589] __mark_inode_dirty+0x2b0/0x10f4 [ 556.996060][T15589] generic_write_end+0x15c/0x238 [ 556.997426][T15589] ext4_da_write_end+0x51c/0x930 [ 556.998756][T15589] generic_perform_write+0x354/0x520 [ 557.000064][T15589] ext4_buffered_write_iter+0x3fc/0x528 [ 557.001594][T15589] ext4_file_write_iter+0x684/0x1618 [ 557.003052][T15589] do_iter_readv_writev+0x420/0x5f8 [ 557.004430][T15589] do_iter_write+0x1b8/0x66c [ 557.005621][T15589] do_pwritev+0x1ec/0x334 [ 557.006776][T15589] __arm64_sys_pwritev2+0xd4/0x108 [ 557.008075][T15589] invoke_syscall+0x98/0x2b8 [ 557.009269][T15589] el0_svc_common+0x138/0x258 [ 557.010599][T15589] do_el0_svc+0x58/0x14c [ 557.011717][T15589] el0_svc+0x7c/0x1f0 [ 557.012780][T15589] el0t_64_sync_handler+0x84/0xe4 [ 557.014072][T15589] el0t_64_sync+0x1a0/0x1a4 [ 557.031113][T15594] loop2: detected capacity change from 0 to 32768 [ 557.205867][T15596] loop0: detected capacity change from 0 to 32768 [ 557.319560][T15592] FAULT_INJECTION: forcing a failure. [ 557.319560][T15592] name failslab, interval 1, probability 0, space 0, times 0 [ 557.338958][T15592] CPU: 1 PID: 15592 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 557.341323][T15592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 557.343951][T15592] Call trace: [ 557.344396][T15594] FAULT_INJECTION: forcing a failure. [ 557.344396][T15594] name failslab, interval 1, probability 0, space 0, times 0 [ 557.344862][T15592] dump_backtrace+0x0/0x530 [ 557.349264][T15592] show_stack+0x2c/0x3c [ 557.350334][T15592] dump_stack_lvl+0x108/0x170 [ 557.351455][T15592] dump_stack+0x1c/0x58 [ 557.352508][T15592] should_fail+0x3b8/0x514 [ 557.353698][T15592] __should_failslab+0xbc/0x110 [ 557.354874][T15592] should_failslab+0x10/0x28 [ 557.356138][T15592] slab_pre_alloc_hook+0x64/0xe8 [ 557.357416][T15592] kmem_cache_alloc+0x98/0x45c [ 557.358610][T15592] jbd2__journal_start+0x158/0x7b4 [ 557.359937][T15592] __ext4_journal_start_sb+0x358/0x70c [ 557.361249][T15592] ext4_dirty_inode+0x9c/0x100 [ 557.362498][T15592] __mark_inode_dirty+0x2b0/0x10f4 [ 557.363712][T15592] generic_write_end+0x15c/0x238 [ 557.364966][T15592] ext4_da_write_end+0x51c/0x930 [ 557.366131][T15592] generic_perform_write+0x354/0x520 [ 557.367444][T15592] ext4_buffered_write_iter+0x3fc/0x528 [ 557.368831][T15592] ext4_file_write_iter+0x684/0x1618 [ 557.370200][T15592] do_iter_readv_writev+0x420/0x5f8 [ 557.371544][T15592] do_iter_write+0x1b8/0x66c [ 557.372830][T15592] do_pwritev+0x1ec/0x334 [ 557.373881][T15592] __arm64_sys_pwritev2+0xd4/0x108 [ 557.375157][T15592] invoke_syscall+0x98/0x2b8 [ 557.376163][T15592] el0_svc_common+0x138/0x258 [ 557.377362][T15592] do_el0_svc+0x58/0x14c [ 557.378464][T15592] el0_svc+0x7c/0x1f0 [ 557.379515][T15592] el0t_64_sync_handler+0x84/0xe4 [ 557.380748][T15592] el0t_64_sync+0x1a0/0x1a4 [ 557.381842][T15594] CPU: 0 PID: 15594 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 557.384107][T15594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 557.386783][T15594] Call trace: [ 557.387579][T15594] dump_backtrace+0x0/0x530 [ 557.388738][T15594] show_stack+0x2c/0x3c [ 557.389735][T15594] dump_stack_lvl+0x108/0x170 [ 557.390882][T15594] dump_stack+0x1c/0x58 [ 557.391948][T15594] should_fail+0x3b8/0x514 [ 557.393074][T15594] __should_failslab+0xbc/0x110 [ 557.394325][T15594] should_failslab+0x10/0x28 [ 557.395516][T15594] slab_pre_alloc_hook+0x64/0xe8 [ 557.396766][T15594] kmem_cache_alloc+0x98/0x45c [ 557.397933][T15594] jbd2__journal_start+0x158/0x7b4 [ 557.399291][T15594] __ext4_journal_start_sb+0x358/0x70c [ 557.400660][T15594] ext4_dirty_inode+0x9c/0x100 [ 557.401871][T15594] __mark_inode_dirty+0x2b0/0x10f4 [ 557.403141][T15594] generic_write_end+0x15c/0x238 [ 557.404404][T15594] ext4_da_write_end+0x51c/0x930 [ 557.405641][T15594] generic_perform_write+0x354/0x520 [ 557.406982][T15594] ext4_buffered_write_iter+0x3fc/0x528 [ 557.408423][T15594] ext4_file_write_iter+0x684/0x1618 [ 557.409754][T15594] do_iter_readv_writev+0x420/0x5f8 [ 557.411090][T15594] do_iter_write+0x1b8/0x66c [ 557.412220][T15594] do_pwritev+0x1ec/0x334 [ 557.413360][T15594] __arm64_sys_pwritev2+0xd4/0x108 [ 557.414692][T15594] invoke_syscall+0x98/0x2b8 [ 557.415868][T15594] el0_svc_common+0x138/0x258 [ 557.416991][T15594] do_el0_svc+0x58/0x14c [ 557.418017][T15594] el0_svc+0x7c/0x1f0 [ 557.418986][T15594] el0t_64_sync_handler+0x84/0xe4 [ 557.420304][T15594] el0t_64_sync+0x1a0/0x1a4 [ 557.496875][T15596] FAULT_INJECTION: forcing a failure. [ 557.496875][T15596] name failslab, interval 1, probability 0, space 0, times 0 [ 557.509582][T15596] CPU: 1 PID: 15596 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 557.511813][T15596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 557.514315][T15596] Call trace: [ 557.515135][T15596] dump_backtrace+0x0/0x530 [ 557.516343][T15596] show_stack+0x2c/0x3c [ 557.517401][T15596] dump_stack_lvl+0x108/0x170 [ 557.518636][T15596] dump_stack+0x1c/0x58 [ 557.519747][T15596] should_fail+0x3b8/0x514 [ 557.520921][T15596] __should_failslab+0xbc/0x110 [ 557.522109][T15596] should_failslab+0x10/0x28 [ 557.523434][T15596] slab_pre_alloc_hook+0x64/0xe8 [ 557.524824][T15596] kmem_cache_alloc+0x98/0x45c [ 557.526034][T15596] jbd2__journal_start+0x158/0x7b4 [ 557.527338][T15596] __ext4_journal_start_sb+0x358/0x70c [ 557.528719][T15596] ext4_dirty_inode+0x9c/0x100 [ 557.529900][T15596] __mark_inode_dirty+0x2b0/0x10f4 [ 557.531236][T15596] generic_write_end+0x15c/0x238 [ 557.532476][T15596] ext4_da_write_end+0x51c/0x930 [ 557.533786][T15596] generic_perform_write+0x354/0x520 [ 557.535131][T15596] ext4_buffered_write_iter+0x3fc/0x528 [ 557.536595][T15596] ext4_file_write_iter+0x684/0x1618 [ 557.537913][T15596] do_iter_readv_writev+0x420/0x5f8 [ 557.539162][T15596] do_iter_write+0x1b8/0x66c [ 557.540420][T15596] do_pwritev+0x1ec/0x334 [ 557.541494][T15596] __arm64_sys_pwritev2+0xd4/0x108 [ 557.542737][T15596] invoke_syscall+0x98/0x2b8 [ 557.543837][T15596] el0_svc_common+0x138/0x258 [ 557.544939][T15596] do_el0_svc+0x58/0x14c [ 557.545998][T15596] el0_svc+0x7c/0x1f0 [ 557.547052][T15596] el0t_64_sync_handler+0x84/0xe4 [ 557.548329][T15596] el0t_64_sync+0x1a0/0x1a4 [ 557.557745][T15598] loop5: detected capacity change from 0 to 32768 [ 557.789664][T15600] loop4: detected capacity change from 0 to 32768 [ 557.886518][T15598] FAULT_INJECTION: forcing a failure. [ 557.886518][T15598] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 557.889841][T15598] CPU: 1 PID: 15598 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 557.892121][T15598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 557.894599][T15598] Call trace: [ 557.895402][T15598] dump_backtrace+0x0/0x530 [ 557.896587][T15598] show_stack+0x2c/0x3c [ 557.897663][T15598] dump_stack_lvl+0x108/0x170 [ 557.898857][T15598] dump_stack+0x1c/0x58 [ 557.899955][T15598] should_fail+0x3b8/0x514 [ 557.901059][T15598] should_fail_usercopy+0x20/0x30 [ 557.902392][T15598] copy_page_from_iter_atomic+0x3c8/0xffc [ 557.903963][T15598] generic_perform_write+0x2d0/0x520 [ 557.905316][T15598] ext4_buffered_write_iter+0x3fc/0x528 [ 557.906727][T15598] ext4_file_write_iter+0x684/0x1618 [ 557.908089][T15598] do_iter_readv_writev+0x420/0x5f8 [ 557.909405][T15598] do_iter_write+0x1b8/0x66c [ 557.910472][T15598] do_pwritev+0x1ec/0x334 [ 557.911659][T15598] __arm64_sys_pwritev2+0xd4/0x108 [ 557.913110][T15598] invoke_syscall+0x98/0x2b8 [ 557.914206][T15598] el0_svc_common+0x138/0x258 [ 557.915439][T15598] do_el0_svc+0x58/0x14c [ 557.916445][T15598] el0_svc+0x7c/0x1f0 [ 557.917386][T15598] el0t_64_sync_handler+0x84/0xe4 [ 557.918639][T15598] el0t_64_sync+0x1a0/0x1a4 [ 558.094412][T15600] FAULT_INJECTION: forcing a failure. [ 558.094412][T15600] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.097942][T15600] CPU: 0 PID: 15600 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 558.100075][T15600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 558.102401][T15600] Call trace: [ 558.103204][T15600] dump_backtrace+0x0/0x530 [ 558.104305][T15600] show_stack+0x2c/0x3c [ 558.105342][T15600] dump_stack_lvl+0x108/0x170 [ 558.106517][T15600] dump_stack+0x1c/0x58 [ 558.107572][T15600] should_fail+0x3b8/0x514 [ 558.108784][T15600] should_fail_usercopy+0x20/0x30 [ 558.110118][T15600] copy_page_from_iter_atomic+0x3c8/0xffc [ 558.111479][T15600] generic_perform_write+0x2d0/0x520 [ 558.112735][T15600] ext4_buffered_write_iter+0x3fc/0x528 [ 558.114237][T15600] ext4_file_write_iter+0x684/0x1618 [ 558.115578][T15600] do_iter_readv_writev+0x420/0x5f8 [ 558.116920][T15600] do_iter_write+0x1b8/0x66c [ 558.118091][T15600] do_pwritev+0x1ec/0x334 [ 558.119291][T15600] __arm64_sys_pwritev2+0xd4/0x108 [ 558.120632][T15600] invoke_syscall+0x98/0x2b8 [ 558.121853][T15600] el0_svc_common+0x138/0x258 [ 558.123083][T15600] do_el0_svc+0x58/0x14c [ 558.124192][T15600] el0_svc+0x7c/0x1f0 [ 558.125275][T15600] el0t_64_sync_handler+0x84/0xe4 [ 558.126613][T15600] el0t_64_sync+0x1a0/0x1a4 [ 558.140201][T15602] loop1: detected capacity change from 0 to 32768 [ 558.180788][T15602] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm [ 558.193826][T15602] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 558.204703][T15602] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 558.214811][T15602] BTRFS warning (device loop1): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 558.225011][T15602] BTRFS info (device loop1): trying to use backup root at mount time [ 558.235720][T15602] BTRFS info (device loop1): use zlib compression, level 3 [ 558.243970][T15602] BTRFS info (device loop1): enabling ssd optimizations [ 558.253656][T15602] BTRFS info (device loop1): using spread ssd allocation scheme [ 558.262074][T15602] BTRFS info (device loop1): using free space tree [ 558.268683][T15602] BTRFS info (device loop1): has skinny extents [ 558.403953][T15606] loop2: detected capacity change from 0 to 32768 [ 558.408269][T15606] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15606) [ 558.497052][T15602] FAULT_INJECTION: forcing a failure. [ 558.497052][T15602] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 558.511837][T15602] CPU: 0 PID: 15602 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 558.514068][T15602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 558.516586][T15602] Call trace: [ 558.517366][T15602] dump_backtrace+0x0/0x530 [ 558.518574][T15602] show_stack+0x2c/0x3c [ 558.519641][T15602] dump_stack_lvl+0x108/0x170 [ 558.520774][T15602] dump_stack+0x1c/0x58 [ 558.521833][T15602] should_fail+0x3b8/0x514 [ 558.523035][T15602] should_fail_alloc_page+0x74/0xa8 [ 558.524347][T15602] prepare_alloc_pages+0x160/0x460 [ 558.525627][T15602] __alloc_pages+0x138/0x674 [ 558.526709][T15602] alloc_pages+0x368/0x5d4 [ 558.527892][T15602] __page_cache_alloc+0x78/0x524 [ 558.529231][T15602] pagecache_get_page+0xa1c/0xd94 [ 558.530584][T15602] prepare_pages+0x11c/0x344 [ 558.531839][T15602] btrfs_buffered_write+0x594/0xe6c [ 558.533255][T15602] btrfs_file_write_iter+0x1a8/0xb6c [ 558.534668][T15602] do_iter_readv_writev+0x420/0x5f8 [ 558.536005][T15602] do_iter_write+0x1b8/0x66c [ 558.537312][T15602] do_pwritev+0x1ec/0x334 [ 558.538566][T15602] __arm64_sys_pwritev2+0xd4/0x108 [ 558.539880][T15602] invoke_syscall+0x98/0x2b8 [ 558.541176][T15602] el0_svc_common+0x138/0x258 [ 558.542437][T15602] do_el0_svc+0x58/0x14c [ 558.543551][T15602] el0_svc+0x7c/0x1f0 [ 558.544557][T15602] el0t_64_sync_handler+0x84/0xe4 [ 558.545882][T15602] el0t_64_sync+0x1a0/0x1a4 [ 558.567688][T15608] loop0: detected capacity change from 0 to 32768 [ 558.582990][T15604] loop3: detected capacity change from 0 to 32768 [ 558.599946][T15608] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15608) [ 558.617629][T15610] loop5: detected capacity change from 0 to 32768 [ 558.642366][T15604] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15604) [ 558.650665][T15610] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15610) [ 558.690728][T15606] FAULT_INJECTION: forcing a failure. [ 558.690728][T15606] name failslab, interval 1, probability 0, space 0, times 0 [ 558.740810][T15606] CPU: 0 PID: 15606 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 558.743159][T15606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 558.745657][T15606] Call trace: [ 558.746528][T15606] dump_backtrace+0x0/0x530 [ 558.747682][T15606] show_stack+0x2c/0x3c [ 558.748856][T15606] dump_stack_lvl+0x108/0x170 [ 558.750023][T15606] dump_stack+0x1c/0x58 [ 558.751003][T15606] should_fail+0x3b8/0x514 [ 558.752025][T15606] __should_failslab+0xbc/0x110 [ 558.753256][T15606] should_failslab+0x10/0x28 [ 558.754442][T15606] slab_pre_alloc_hook+0x64/0xe8 [ 558.755658][T15606] kmem_cache_alloc+0x98/0x45c [ 558.756819][T15606] jbd2__journal_start+0x158/0x7b4 [ 558.758176][T15606] __ext4_journal_start_sb+0x358/0x70c [ 558.759648][T15606] ext4_dirty_inode+0x9c/0x100 [ 558.760864][T15606] __mark_inode_dirty+0x2b0/0x10f4 [ 558.762095][T15606] generic_write_end+0x15c/0x238 [ 558.763372][T15606] ext4_da_write_end+0x51c/0x930 [ 558.764742][T15606] generic_perform_write+0x354/0x520 [ 558.766114][T15606] ext4_buffered_write_iter+0x3fc/0x528 [ 558.767552][T15606] ext4_file_write_iter+0x684/0x1618 [ 558.768904][T15606] do_iter_readv_writev+0x420/0x5f8 [ 558.770288][T15606] do_iter_write+0x1b8/0x66c [ 558.771470][T15606] do_pwritev+0x1ec/0x334 [ 558.772532][T15606] __arm64_sys_pwritev2+0xd4/0x108 [ 558.773794][T15606] invoke_syscall+0x98/0x2b8 [ 558.775043][T15606] el0_svc_common+0x138/0x258 [ 558.776254][T15606] do_el0_svc+0x58/0x14c [ 558.777330][T15606] el0_svc+0x7c/0x1f0 [ 558.778339][T15606] el0t_64_sync_handler+0x84/0xe4 [ 558.779207][T15606] el0t_64_sync+0x1a0/0x1a4 [ 558.786695][T15608] FAULT_INJECTION: forcing a failure. [ 558.786695][T15608] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 558.790020][T15608] CPU: 0 PID: 15608 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 558.792178][T15608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 558.794715][T15608] Call trace: [ 558.795528][T15608] dump_backtrace+0x0/0x530 [ 558.796686][T15608] show_stack+0x2c/0x3c [ 558.797783][T15608] dump_stack_lvl+0x108/0x170 [ 558.798899][T15608] dump_stack+0x1c/0x58 [ 558.799977][T15608] should_fail+0x3b8/0x514 [ 558.801153][T15608] should_fail_usercopy+0x20/0x30 [ 558.802326][T15608] copy_page_from_iter_atomic+0x3c8/0xffc [ 558.803714][T15608] generic_perform_write+0x2d0/0x520 [ 558.805039][T15608] ext4_buffered_write_iter+0x3fc/0x528 [ 558.806472][T15608] ext4_file_write_iter+0x684/0x1618 [ 558.807781][T15608] do_iter_readv_writev+0x420/0x5f8 [ 558.809112][T15608] do_iter_write+0x1b8/0x66c [ 558.810339][T15608] do_pwritev+0x1ec/0x334 [ 558.811455][T15608] __arm64_sys_pwritev2+0xd4/0x108 [ 558.812838][T15608] invoke_syscall+0x98/0x2b8 [ 558.814114][T15608] el0_svc_common+0x138/0x258 [ 558.815297][T15608] do_el0_svc+0x58/0x14c [ 558.816411][T15608] el0_svc+0x7c/0x1f0 [ 558.817461][T15608] el0t_64_sync_handler+0x84/0xe4 [ 558.818817][T15608] el0t_64_sync+0x1a0/0x1a4 [ 558.978712][T15610] FAULT_INJECTION: forcing a failure. [ 558.978712][T15610] name failslab, interval 1, probability 0, space 0, times 0 [ 558.994786][T15610] CPU: 1 PID: 15610 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 558.996993][T15610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 558.999531][T15610] Call trace: [ 559.000330][T15610] dump_backtrace+0x0/0x530 [ 559.001558][T15610] show_stack+0x2c/0x3c [ 559.002656][T15610] dump_stack_lvl+0x108/0x170 [ 559.003846][T15610] dump_stack+0x1c/0x58 [ 559.004860][T15610] should_fail+0x3b8/0x514 [ 559.005929][T15610] __should_failslab+0xbc/0x110 [ 559.007330][T15610] should_failslab+0x10/0x28 [ 559.008538][T15610] slab_pre_alloc_hook+0x64/0xe8 [ 559.009790][T15610] kmem_cache_alloc+0x98/0x45c [ 559.011007][T15610] jbd2__journal_start+0x158/0x7b4 [ 559.012269][T15610] __ext4_journal_start_sb+0x358/0x70c [ 559.013600][T15610] ext4_dirty_inode+0x9c/0x100 [ 559.014829][T15610] __mark_inode_dirty+0x2b0/0x10f4 [ 559.016180][T15610] generic_write_end+0x15c/0x238 [ 559.017432][T15610] ext4_da_write_end+0x51c/0x930 [ 559.018679][T15610] generic_perform_write+0x354/0x520 [ 559.020046][T15610] ext4_buffered_write_iter+0x3fc/0x528 [ 559.021532][T15610] ext4_file_write_iter+0x684/0x1618 [ 559.022932][T15610] do_iter_readv_writev+0x420/0x5f8 [ 559.024230][T15610] do_iter_write+0x1b8/0x66c [ 559.025421][T15610] do_pwritev+0x1ec/0x334 [ 559.026530][T15610] __arm64_sys_pwritev2+0xd4/0x108 [ 559.027681][T15610] invoke_syscall+0x98/0x2b8 [ 559.028874][T15610] el0_svc_common+0x138/0x258 [ 559.029969][T15610] do_el0_svc+0x58/0x14c [ 559.030957][T15610] el0_svc+0x7c/0x1f0 [ 559.031971][T15610] el0t_64_sync_handler+0x84/0xe4 [ 559.033388][T15610] el0t_64_sync+0x1a0/0x1a4 [ 559.039595][T15604] FAULT_INJECTION: forcing a failure. [ 559.039595][T15604] name failslab, interval 1, probability 0, space 0, times 0 [ 559.071947][T15604] CPU: 0 PID: 15604 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 559.074169][T15604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 559.076770][T15604] Call trace: [ 559.077639][T15604] dump_backtrace+0x0/0x530 [ 559.078774][T15604] show_stack+0x2c/0x3c [ 559.079810][T15604] dump_stack_lvl+0x108/0x170 [ 559.081022][T15604] dump_stack+0x1c/0x58 [ 559.082049][T15604] should_fail+0x3b8/0x514 [ 559.083184][T15604] __should_failslab+0xbc/0x110 [ 559.084400][T15604] should_failslab+0x10/0x28 [ 559.085592][T15604] slab_pre_alloc_hook+0x64/0xe8 [ 559.086940][T15604] kmem_cache_alloc+0x98/0x45c [ 559.088160][T15604] jbd2__journal_start+0x158/0x7b4 [ 559.089561][T15604] __ext4_journal_start_sb+0x358/0x70c [ 559.091004][T15604] ext4_dirty_inode+0x9c/0x100 [ 559.092321][T15604] __mark_inode_dirty+0x2b0/0x10f4 [ 559.093674][T15604] generic_write_end+0x15c/0x238 [ 559.094996][T15604] ext4_da_write_end+0x51c/0x930 [ 559.096364][T15604] generic_perform_write+0x354/0x520 [ 559.097732][T15604] ext4_buffered_write_iter+0x3fc/0x528 [ 559.099208][T15604] ext4_file_write_iter+0x684/0x1618 [ 559.100560][T15604] do_iter_readv_writev+0x420/0x5f8 [ 559.101980][T15604] do_iter_write+0x1b8/0x66c [ 559.103113][T15604] do_pwritev+0x1ec/0x334 [ 559.104121][T15604] __arm64_sys_pwritev2+0xd4/0x108 [ 559.105491][T15604] invoke_syscall+0x98/0x2b8 [ 559.106688][T15604] el0_svc_common+0x138/0x258 [ 559.107925][T15604] do_el0_svc+0x58/0x14c [ 559.109076][T15604] el0_svc+0x7c/0x1f0 [ 559.110142][T15604] el0t_64_sync_handler+0x84/0xe4 [ 559.111393][T15604] el0t_64_sync+0x1a0/0x1a4 [ 559.188325][T15615] loop4: detected capacity change from 0 to 32768 [ 559.223492][T15615] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz-executor297 (15615) [ 559.253526][T15615] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm [ 559.255999][T15615] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 559.258750][T15615] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 559.295942][T15615] BTRFS warning (device loop4): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 559.298773][T15615] BTRFS info (device loop4): trying to use backup root at mount time [ 559.300586][T15615] BTRFS info (device loop4): use zlib compression, level 3 [ 559.321576][T15615] BTRFS info (device loop4): enabling ssd optimizations [ 559.329173][T15615] BTRFS info (device loop4): using spread ssd allocation scheme [ 559.337994][T15615] BTRFS info (device loop4): using free space tree [ 559.344275][T15615] BTRFS info (device loop4): has skinny extents [ 559.577505][T15634] loop0: detected capacity change from 0 to 32768 [ 559.592970][T15615] FAULT_INJECTION: forcing a failure. [ 559.592970][T15615] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 559.596109][T15615] CPU: 0 PID: 15615 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 559.598134][T15615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 559.600557][T15615] Call trace: [ 559.601340][T15615] dump_backtrace+0x0/0x530 [ 559.602464][T15615] show_stack+0x2c/0x3c [ 559.603547][T15615] dump_stack_lvl+0x108/0x170 [ 559.604712][T15615] dump_stack+0x1c/0x58 [ 559.605755][T15615] should_fail+0x3b8/0x514 [ 559.606885][T15615] should_fail_alloc_page+0x74/0xa8 [ 559.608221][T15615] prepare_alloc_pages+0x160/0x460 [ 559.609544][T15615] __alloc_pages+0x138/0x674 [ 559.610680][T15615] alloc_pages+0x368/0x5d4 [ 559.611746][T15615] __page_cache_alloc+0x78/0x524 [ 559.612928][T15615] pagecache_get_page+0xa1c/0xd94 [ 559.614181][T15615] prepare_pages+0x11c/0x344 [ 559.615412][T15615] btrfs_buffered_write+0x594/0xe6c [ 559.616720][T15615] btrfs_file_write_iter+0x1a8/0xb6c [ 559.617959][T15615] do_iter_readv_writev+0x420/0x5f8 [ 559.618761][T15634] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15634) [ 559.619306][T15615] do_iter_write+0x1b8/0x66c [ 559.623114][T15615] do_pwritev+0x1ec/0x334 [ 559.624083][T15615] __arm64_sys_pwritev2+0xd4/0x108 [ 559.625421][T15615] invoke_syscall+0x98/0x2b8 [ 559.626551][T15615] el0_svc_common+0x138/0x258 [ 559.627754][T15615] do_el0_svc+0x58/0x14c [ 559.628898][T15615] el0_svc+0x7c/0x1f0 [ 559.629781][T15615] el0t_64_sync_handler+0x84/0xe4 [ 559.631097][T15615] el0t_64_sync+0x1a0/0x1a4 [ 559.641204][T15634] FAULT_INJECTION: forcing a failure. [ 559.641204][T15634] name failslab, interval 1, probability 0, space 0, times 0 [ 559.711787][T15634] CPU: 1 PID: 15634 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 559.714423][T15634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 559.717269][T15634] Call trace: [ 559.718184][T15634] dump_backtrace+0x0/0x530 [ 559.719198][T15634] show_stack+0x2c/0x3c [ 559.720359][T15634] dump_stack_lvl+0x108/0x170 [ 559.721593][T15634] dump_stack+0x1c/0x58 [ 559.722590][T15634] should_fail+0x3b8/0x514 [ 559.723971][T15634] __should_failslab+0xbc/0x110 [ 559.725951][T15634] should_failslab+0x10/0x28 [ 559.727242][T15634] slab_pre_alloc_hook+0x64/0xe8 [ 559.728663][T15634] kmem_cache_alloc+0x98/0x45c [ 559.729801][T15634] jbd2__journal_start+0x158/0x7b4 [ 559.731212][T15634] __ext4_journal_start_sb+0x358/0x70c [ 559.732529][T15634] ext4_dirty_inode+0x9c/0x100 [ 559.734047][T15634] __mark_inode_dirty+0x2b0/0x10f4 [ 559.735431][T15634] generic_write_end+0x15c/0x238 [ 559.736798][T15634] ext4_da_write_end+0x51c/0x930 [ 559.738052][T15634] generic_perform_write+0x354/0x520 [ 559.739380][T15634] ext4_buffered_write_iter+0x3fc/0x528 [ 559.740721][T15634] ext4_file_write_iter+0x684/0x1618 [ 559.741960][T15634] do_iter_readv_writev+0x420/0x5f8 [ 559.743207][T15634] do_iter_write+0x1b8/0x66c [ 559.744290][T15634] do_pwritev+0x1ec/0x334 [ 559.745383][T15634] __arm64_sys_pwritev2+0xd4/0x108 [ 559.746667][T15634] invoke_syscall+0x98/0x2b8 [ 559.747938][T15634] el0_svc_common+0x138/0x258 [ 559.749047][T15634] do_el0_svc+0x58/0x14c [ 559.750128][T15634] el0_svc+0x7c/0x1f0 [ 559.751076][T15634] el0t_64_sync_handler+0x84/0xe4 [ 559.752350][T15634] el0t_64_sync+0x1a0/0x1a4 [ 559.773728][T15636] FAULT_INJECTION: forcing a failure. [ 559.773728][T15636] name failslab, interval 1, probability 0, space 0, times 0 [ 559.776910][T15636] CPU: 1 PID: 15636 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 559.779053][T15636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 559.781460][T15636] Call trace: [ 559.782237][T15636] dump_backtrace+0x0/0x530 [ 559.783538][T15636] show_stack+0x2c/0x3c [ 559.784625][T15636] dump_stack_lvl+0x108/0x170 [ 559.785746][T15636] dump_stack+0x1c/0x58 [ 559.786674][T15636] should_fail+0x3b8/0x514 [ 559.787770][T15636] __should_failslab+0xbc/0x110 [ 559.788971][T15636] should_failslab+0x10/0x28 [ 559.790130][T15636] slab_pre_alloc_hook+0x64/0xe8 [ 559.791335][T15636] kmem_cache_alloc+0x98/0x45c [ 559.792426][T15636] jbd2__journal_start+0x158/0x7b4 [ 559.793786][T15636] __ext4_journal_start_sb+0x358/0x70c [ 559.795164][T15636] ext4_dirty_inode+0x9c/0x100 [ 559.796475][T15636] __mark_inode_dirty+0x2b0/0x10f4 [ 559.797892][T15636] generic_write_end+0x15c/0x238 [ 559.799163][T15636] ext4_da_write_end+0x51c/0x930 [ 559.800407][T15636] generic_perform_write+0x354/0x520 [ 559.801812][T15636] ext4_buffered_write_iter+0x3fc/0x528 [ 559.803252][T15636] ext4_file_write_iter+0x684/0x1618 [ 559.804634][T15636] do_iter_readv_writev+0x420/0x5f8 [ 559.805982][T15636] do_iter_write+0x1b8/0x66c [ 559.807144][T15636] do_pwritev+0x1ec/0x334 [ 559.808244][T15636] __arm64_sys_pwritev2+0xd4/0x108 [ 559.809515][T15636] invoke_syscall+0x98/0x2b8 [ 559.810670][T15636] el0_svc_common+0x138/0x258 [ 559.811872][T15636] do_el0_svc+0x58/0x14c [ 559.813003][T15636] el0_svc+0x7c/0x1f0 [ 559.814069][T15636] el0t_64_sync_handler+0x84/0xe4 [ 559.815279][T15636] el0t_64_sync+0x1a0/0x1a4 [ 559.888706][T15639] loop5: detected capacity change from 0 to 32768 [ 559.918923][T15639] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15639) [ 560.151294][T15637] loop2: detected capacity change from 0 to 32768 [ 560.165522][T15637] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz-executor297 (15637) [ 560.202026][T15637] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm [ 560.204498][T15637] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 560.218703][T15637] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 560.242672][T15639] FAULT_INJECTION: forcing a failure. [ 560.242672][T15639] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 560.246041][T15639] CPU: 0 PID: 15639 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 560.248229][T15639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 560.250701][T15639] Call trace: [ 560.251498][T15639] dump_backtrace+0x0/0x530 [ 560.252676][T15639] show_stack+0x2c/0x3c [ 560.253773][T15639] dump_stack_lvl+0x108/0x170 [ 560.254994][T15639] dump_stack+0x1c/0x58 [ 560.256069][T15639] should_fail+0x3b8/0x514 [ 560.257241][T15639] should_fail_usercopy+0x20/0x30 [ 560.258557][T15639] copy_page_from_iter_atomic+0x3c8/0xffc [ 560.260055][T15639] generic_perform_write+0x2d0/0x520 [ 560.261419][T15639] ext4_buffered_write_iter+0x3fc/0x528 [ 560.262908][T15639] ext4_file_write_iter+0x684/0x1618 [ 560.264300][T15639] do_iter_readv_writev+0x420/0x5f8 [ 560.265641][T15639] do_iter_write+0x1b8/0x66c [ 560.266708][T15639] do_pwritev+0x1ec/0x334 [ 560.267843][T15639] __arm64_sys_pwritev2+0xd4/0x108 [ 560.269183][T15639] invoke_syscall+0x98/0x2b8 [ 560.270388][T15639] el0_svc_common+0x138/0x258 [ 560.271555][T15639] do_el0_svc+0x58/0x14c [ 560.272656][T15639] el0_svc+0x7c/0x1f0 [ 560.273692][T15639] el0t_64_sync_handler+0x84/0xe4 [ 560.275008][T15639] el0t_64_sync+0x1a0/0x1a4 [ 560.278889][T15637] BTRFS warning (device loop2): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 560.290679][T15637] BTRFS info (device loop2): trying to use backup root at mount time [ 560.295090][T15637] BTRFS info (device loop2): use zlib compression, level 3 [ 560.296967][T15637] BTRFS info (device loop2): enabling ssd optimizations [ 560.298952][T15637] BTRFS info (device loop2): using spread ssd allocation scheme [ 560.301099][T15637] BTRFS info (device loop2): using free space tree [ 560.321545][T15637] BTRFS info (device loop2): has skinny extents [ 560.479431][T15641] loop3: detected capacity change from 0 to 32768 [ 560.510449][T15641] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15641) [ 560.585531][T15637] FAULT_INJECTION: forcing a failure. [ 560.585531][T15637] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 560.626835][T15637] CPU: 0 PID: 15637 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 560.628991][T15637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 560.631596][T15637] Call trace: [ 560.632431][T15637] dump_backtrace+0x0/0x530 [ 560.633586][T15637] show_stack+0x2c/0x3c [ 560.634725][T15637] dump_stack_lvl+0x108/0x170 [ 560.635940][T15637] dump_stack+0x1c/0x58 [ 560.637030][T15637] should_fail+0x3b8/0x514 [ 560.638196][T15637] should_fail_alloc_page+0x74/0xa8 [ 560.639524][T15637] prepare_alloc_pages+0x160/0x460 [ 560.640836][T15637] __alloc_pages+0x138/0x674 [ 560.641941][T15637] alloc_pages+0x368/0x5d4 [ 560.643097][T15637] __page_cache_alloc+0x78/0x524 [ 560.644366][T15637] pagecache_get_page+0xa1c/0xd94 [ 560.645648][T15637] prepare_pages+0x11c/0x344 [ 560.646839][T15637] btrfs_buffered_write+0x594/0xe6c [ 560.648198][T15637] btrfs_file_write_iter+0x1a8/0xb6c [ 560.649575][T15637] do_iter_readv_writev+0x420/0x5f8 [ 560.650909][T15637] do_iter_write+0x1b8/0x66c [ 560.652088][T15637] do_pwritev+0x1ec/0x334 [ 560.653199][T15637] __arm64_sys_pwritev2+0xd4/0x108 [ 560.654554][T15637] invoke_syscall+0x98/0x2b8 [ 560.655723][T15637] el0_svc_common+0x138/0x258 [ 560.656979][T15637] do_el0_svc+0x58/0x14c [ 560.657949][T15637] el0_svc+0x7c/0x1f0 [ 560.658897][T15637] el0t_64_sync_handler+0x84/0xe4 [ 560.660176][T15637] el0t_64_sync+0x1a0/0x1a4 [ 560.686412][T15678] loop5: detected capacity change from 0 to 32768 [ 560.692141][T15678] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15678) [ 560.776825][T15661] loop1: detected capacity change from 0 to 32768 [ 560.781587][T15661] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15661) [ 560.962046][T15641] FAULT_INJECTION: forcing a failure. [ 560.962046][T15641] name failslab, interval 1, probability 0, space 0, times 0 [ 560.976989][T15641] CPU: 1 PID: 15641 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 560.979146][T15641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 560.981646][T15641] Call trace: [ 560.982478][T15641] dump_backtrace+0x0/0x530 [ 560.983632][T15641] show_stack+0x2c/0x3c [ 560.984732][T15641] dump_stack_lvl+0x108/0x170 [ 560.985866][T15641] dump_stack+0x1c/0x58 [ 560.986968][T15641] should_fail+0x3b8/0x514 [ 560.988141][T15641] __should_failslab+0xbc/0x110 [ 560.989393][T15641] should_failslab+0x10/0x28 [ 560.990602][T15641] slab_pre_alloc_hook+0x64/0xe8 [ 560.990686][T15666] loop0: detected capacity change from 0 to 32768 [ 560.991902][T15641] kmem_cache_alloc+0x98/0x45c [ 560.991918][T15641] jbd2__journal_start+0x158/0x7b4 [ 560.991932][T15641] __ext4_journal_start_sb+0x358/0x70c [ 560.991945][T15641] ext4_dirty_inode+0x9c/0x100 [ 560.991957][T15641] __mark_inode_dirty+0x2b0/0x10f4 [ 560.991969][T15641] generic_write_end+0x15c/0x238 [ 560.991981][T15641] ext4_da_write_end+0x51c/0x930 [ 560.991993][T15641] generic_perform_write+0x354/0x520 [ 560.992005][T15641] ext4_buffered_write_iter+0x3fc/0x528 [ 560.992015][T15641] ext4_file_write_iter+0x684/0x1618 [ 560.992026][T15641] do_iter_readv_writev+0x420/0x5f8 [ 560.992037][T15641] do_iter_write+0x1b8/0x66c [ 560.992047][T15641] do_pwritev+0x1ec/0x334 [ 560.992061][T15641] __arm64_sys_pwritev2+0xd4/0x108 [ 560.992072][T15641] invoke_syscall+0x98/0x2b8 [ 560.992084][T15641] el0_svc_common+0x138/0x258 [ 560.992096][T15641] do_el0_svc+0x58/0x14c [ 560.992107][T15641] el0_svc+0x7c/0x1f0 [ 560.992119][T15641] el0t_64_sync_handler+0x84/0xe4 [ 560.992138][T15641] el0t_64_sync+0x1a0/0x1a4 [ 561.048987][T15661] FAULT_INJECTION: forcing a failure. [ 561.048987][T15661] name failslab, interval 1, probability 0, space 0, times 0 [ 561.063881][T15661] CPU: 1 PID: 15661 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 561.064920][T15678] FAULT_INJECTION: forcing a failure. [ 561.064920][T15678] name failslab, interval 1, probability 0, space 0, times 0 [ 561.066213][T15661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 561.066228][T15661] Call trace: [ 561.066232][T15661] dump_backtrace+0x0/0x530 [ 561.066249][T15661] show_stack+0x2c/0x3c [ 561.066258][T15661] dump_stack_lvl+0x108/0x170 [ 561.075961][T15661] dump_stack+0x1c/0x58 [ 561.077012][T15661] should_fail+0x3b8/0x514 [ 561.078179][T15661] __should_failslab+0xbc/0x110 [ 561.079453][T15661] should_failslab+0x10/0x28 [ 561.080623][T15661] slab_pre_alloc_hook+0x64/0xe8 [ 561.081850][T15661] kmem_cache_alloc+0x98/0x45c [ 561.083077][T15661] jbd2__journal_start+0x158/0x7b4 [ 561.084470][T15661] __ext4_journal_start_sb+0x358/0x70c [ 561.085878][T15661] ext4_dirty_inode+0x9c/0x100 [ 561.087140][T15661] __mark_inode_dirty+0x2b0/0x10f4 [ 561.088529][T15661] generic_write_end+0x15c/0x238 [ 561.089812][T15661] ext4_da_write_end+0x51c/0x930 [ 561.091014][T15661] generic_perform_write+0x354/0x520 [ 561.092504][T15661] ext4_buffered_write_iter+0x3fc/0x528 [ 561.093871][T15661] ext4_file_write_iter+0x684/0x1618 [ 561.095284][T15661] do_iter_readv_writev+0x420/0x5f8 [ 561.096569][T15661] do_iter_write+0x1b8/0x66c [ 561.097713][T15661] do_pwritev+0x1ec/0x334 [ 561.098772][T15661] __arm64_sys_pwritev2+0xd4/0x108 [ 561.099976][T15661] invoke_syscall+0x98/0x2b8 [ 561.101174][T15661] el0_svc_common+0x138/0x258 [ 561.102327][T15661] do_el0_svc+0x58/0x14c [ 561.103506][T15661] el0_svc+0x7c/0x1f0 [ 561.104475][T15661] el0t_64_sync_handler+0x84/0xe4 [ 561.105787][T15661] el0t_64_sync+0x1a0/0x1a4 [ 561.111905][T15666] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor297 (15666) [ 561.124205][T15666] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 561.126660][T15666] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 561.129406][T15678] CPU: 0 PID: 15678 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 561.131597][T15678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 561.134177][T15678] Call trace: [ 561.135057][T15678] dump_backtrace+0x0/0x530 [ 561.136194][T15678] show_stack+0x2c/0x3c [ 561.137134][T15678] dump_stack_lvl+0x108/0x170 [ 561.138358][T15678] dump_stack+0x1c/0x58 [ 561.139432][T15678] should_fail+0x3b8/0x514 [ 561.140685][T15678] __should_failslab+0xbc/0x110 [ 561.141979][T15678] should_failslab+0x10/0x28 [ 561.143077][T15678] slab_pre_alloc_hook+0x64/0xe8 [ 561.144311][T15678] kmem_cache_alloc+0x98/0x45c [ 561.145408][T15678] jbd2__journal_start+0x158/0x7b4 [ 561.146799][T15678] __ext4_journal_start_sb+0x358/0x70c [ 561.148403][T15678] ext4_dirty_inode+0x9c/0x100 [ 561.149609][T15678] __mark_inode_dirty+0x2b0/0x10f4 [ 561.150842][T15678] generic_write_end+0x15c/0x238 [ 561.152134][T15678] ext4_da_write_end+0x51c/0x930 [ 561.153099][T15678] generic_perform_write+0x354/0x520 [ 561.154076][T15678] ext4_buffered_write_iter+0x3fc/0x528 [ 561.155203][T15678] ext4_file_write_iter+0x684/0x1618 [ 561.156518][T15678] do_iter_readv_writev+0x420/0x5f8 [ 561.157849][T15678] do_iter_write+0x1b8/0x66c [ 561.159046][T15678] do_pwritev+0x1ec/0x334 [ 561.160277][T15678] __arm64_sys_pwritev2+0xd4/0x108 [ 561.161546][T15678] invoke_syscall+0x98/0x2b8 [ 561.162800][T15678] el0_svc_common+0x138/0x258 [ 561.163984][T15678] do_el0_svc+0x58/0x14c [ 561.165148][T15678] el0_svc+0x7c/0x1f0 [ 561.166189][T15678] el0t_64_sync_handler+0x84/0xe4 [ 561.167428][T15678] el0t_64_sync+0x1a0/0x1a4 [ 561.170817][ T2059] ieee802154 phy0 wpan0: encryption failed: -22 [ 561.176171][ T2059] ieee802154 phy1 wpan1: encryption failed: -22 [ 561.201654][T15666] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 561.204531][T15666] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 561.207161][T15666] BTRFS info (device loop0): trying to use backup root at mount time [ 561.212275][T15664] FAULT_INJECTION: forcing a failure. [ 561.212275][T15664] name failslab, interval 1, probability 0, space 0, times 0 [ 561.215527][T15664] CPU: 0 PID: 15664 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 561.218039][T15664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 561.220790][T15664] Call trace: [ 561.221609][T15664] dump_backtrace+0x0/0x530 [ 561.222837][T15664] show_stack+0x2c/0x3c [ 561.223930][T15664] dump_stack_lvl+0x108/0x170 [ 561.225285][T15664] dump_stack+0x1c/0x58 [ 561.226386][T15664] should_fail+0x3b8/0x514 [ 561.227579][T15664] __should_failslab+0xbc/0x110 [ 561.228819][T15664] should_failslab+0x10/0x28 [ 561.230048][T15664] slab_pre_alloc_hook+0x64/0xe8 [ 561.231400][T15664] kmem_cache_alloc+0x98/0x45c [ 561.232587][T15664] jbd2__journal_start+0x158/0x7b4 [ 561.233871][T15664] __ext4_journal_start_sb+0x358/0x70c [ 561.235224][T15664] ext4_dirty_inode+0x9c/0x100 [ 561.236416][T15664] __mark_inode_dirty+0x2b0/0x10f4 [ 561.237660][T15664] generic_write_end+0x15c/0x238 [ 561.238876][T15664] ext4_da_write_end+0x51c/0x930 [ 561.240201][T15664] generic_perform_write+0x354/0x520 [ 561.241418][T15664] ext4_buffered_write_iter+0x3fc/0x528 [ 561.242891][T15664] ext4_file_write_iter+0x684/0x1618 [ 561.244278][T15664] do_iter_readv_writev+0x420/0x5f8 [ 561.245627][T15664] do_iter_write+0x1b8/0x66c [ 561.246840][T15664] do_pwritev+0x1ec/0x334 [ 561.247936][T15664] __arm64_sys_pwritev2+0xd4/0x108 [ 561.249208][T15664] invoke_syscall+0x98/0x2b8 [ 561.250407][T15664] el0_svc_common+0x138/0x258 [ 561.251575][T15664] do_el0_svc+0x58/0x14c [ 561.252607][T15664] el0_svc+0x7c/0x1f0 [ 561.253617][T15664] el0t_64_sync_handler+0x84/0xe4 [ 561.254931][T15664] el0t_64_sync+0x1a0/0x1a4 [ 561.260925][T15666] BTRFS info (device loop0): use zlib compression, level 3 [ 561.271534][T15666] BTRFS info (device loop0): enabling ssd optimizations [ 561.273446][T15666] BTRFS info (device loop0): using spread ssd allocation scheme [ 561.275602][T15666] BTRFS info (device loop0): using free space tree [ 561.277418][T15666] BTRFS info (device loop0): has skinny extents [ 561.548533][T15666] FAULT_INJECTION: forcing a failure. [ 561.548533][T15666] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 561.553190][T15666] CPU: 1 PID: 15666 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 561.555362][T15666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 561.557771][T15666] Call trace: [ 561.558640][T15666] dump_backtrace+0x0/0x530 [ 561.559869][T15666] show_stack+0x2c/0x3c [ 561.560917][T15666] dump_stack_lvl+0x108/0x170 [ 561.562173][T15666] dump_stack+0x1c/0x58 [ 561.563245][T15666] should_fail+0x3b8/0x514 [ 561.564533][T15666] should_fail_alloc_page+0x74/0xa8 [ 561.565922][T15666] prepare_alloc_pages+0x160/0x460 [ 561.567468][T15666] __alloc_pages+0x138/0x674 [ 561.568676][T15666] alloc_pages+0x368/0x5d4 [ 561.569884][T15666] __page_cache_alloc+0x78/0x524 [ 561.571264][T15666] pagecache_get_page+0xa1c/0xd94 [ 561.572564][T15666] prepare_pages+0x11c/0x344 [ 561.573862][T15666] btrfs_buffered_write+0x594/0xe6c [ 561.575323][T15666] btrfs_file_write_iter+0x1a8/0xb6c [ 561.576703][T15666] do_iter_readv_writev+0x420/0x5f8 [ 561.578094][T15666] do_iter_write+0x1b8/0x66c [ 561.579377][T15666] do_pwritev+0x1ec/0x334 [ 561.580487][T15666] __arm64_sys_pwritev2+0xd4/0x108 [ 561.581791][T15666] invoke_syscall+0x98/0x2b8 [ 561.583061][T15666] el0_svc_common+0x138/0x258 [ 561.584451][T15666] do_el0_svc+0x58/0x14c [ 561.585622][T15666] el0_svc+0x7c/0x1f0 [ 561.586703][T15666] el0t_64_sync_handler+0x84/0xe4 [ 561.588079][T15666] el0t_64_sync+0x1a0/0x1a4 [ 562.138069][T15701] loop4: detected capacity change from 0 to 32768 [ 562.154817][T15701] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz-executor297 (15701) [ 562.178230][T15701] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm [ 562.189833][T15701] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 562.203580][T15701] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 562.215607][T15701] BTRFS warning (device loop4): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 562.228828][T15701] BTRFS info (device loop4): trying to use backup root at mount time [ 562.233761][T15688] loop3: detected capacity change from 0 to 32768 [ 562.237807][T15701] BTRFS info (device loop4): use zlib compression, level 3 [ 562.239535][T15690] loop2: detected capacity change from 0 to 32768 [ 562.244730][T15701] BTRFS info (device loop4): enabling ssd optimizations [ 562.246893][T15688] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15688) [ 562.251733][T15701] BTRFS info (device loop4): using spread ssd allocation scheme [ 562.256279][T15701] BTRFS info (device loop4): using free space tree [ 562.258543][T15690] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15690) [ 562.260425][T15701] BTRFS info (device loop4): has skinny extents [ 562.364358][T15688] FAULT_INJECTION: forcing a failure. [ 562.364358][T15688] name failslab, interval 1, probability 0, space 0, times 0 [ 562.368450][T15688] CPU: 1 PID: 15688 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 562.370868][T15688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 562.373347][T15688] Call trace: [ 562.374179][T15688] dump_backtrace+0x0/0x530 [ 562.375419][T15688] show_stack+0x2c/0x3c [ 562.376460][T15688] dump_stack_lvl+0x108/0x170 [ 562.377684][T15688] dump_stack+0x1c/0x58 [ 562.378765][T15688] should_fail+0x3b8/0x514 [ 562.379846][T15688] __should_failslab+0xbc/0x110 [ 562.381048][T15688] should_failslab+0x10/0x28 [ 562.382237][T15688] slab_pre_alloc_hook+0x64/0xe8 [ 562.383592][T15688] kmem_cache_alloc+0x98/0x45c [ 562.384948][T15688] jbd2__journal_start+0x158/0x7b4 [ 562.386241][T15688] __ext4_journal_start_sb+0x358/0x70c [ 562.387615][T15688] ext4_dirty_inode+0x9c/0x100 [ 562.388722][T15688] __mark_inode_dirty+0x2b0/0x10f4 [ 562.390026][T15688] generic_write_end+0x15c/0x238 [ 562.391257][T15688] ext4_da_write_end+0x51c/0x930 [ 562.392558][T15688] generic_perform_write+0x354/0x520 [ 562.393941][T15688] ext4_buffered_write_iter+0x3fc/0x528 [ 562.395323][T15688] ext4_file_write_iter+0x684/0x1618 [ 562.396620][T15688] do_iter_readv_writev+0x420/0x5f8 [ 562.398051][T15688] do_iter_write+0x1b8/0x66c [ 562.399254][T15688] do_pwritev+0x1ec/0x334 [ 562.400440][T15688] __arm64_sys_pwritev2+0xd4/0x108 [ 562.401783][T15688] invoke_syscall+0x98/0x2b8 [ 562.402929][T15688] el0_svc_common+0x138/0x258 [ 562.404002][T15688] do_el0_svc+0x58/0x14c [ 562.405135][T15688] el0_svc+0x7c/0x1f0 [ 562.406232][T15688] el0t_64_sync_handler+0x84/0xe4 [ 562.407472][T15688] el0t_64_sync+0x1a0/0x1a4 [ 562.450325][T15696] loop5: detected capacity change from 0 to 32768 [ 562.478743][T15696] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15696) [ 562.504020][T15701] FAULT_INJECTION: forcing a failure. [ 562.504020][T15701] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 562.507598][T15701] CPU: 0 PID: 15701 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 562.509846][T15701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 562.512459][T15701] Call trace: [ 562.513306][T15701] dump_backtrace+0x0/0x530 [ 562.514510][T15701] show_stack+0x2c/0x3c [ 562.515601][T15701] dump_stack_lvl+0x108/0x170 [ 562.516882][T15701] dump_stack+0x1c/0x58 [ 562.518024][T15701] should_fail+0x3b8/0x514 [ 562.519264][T15701] should_fail_alloc_page+0x74/0xa8 [ 562.520589][T15701] prepare_alloc_pages+0x160/0x460 [ 562.521832][T15701] __alloc_pages+0x138/0x674 [ 562.523046][T15701] alloc_pages+0x368/0x5d4 [ 562.524191][T15701] __page_cache_alloc+0x78/0x524 [ 562.525522][T15701] pagecache_get_page+0xa1c/0xd94 [ 562.526860][T15701] prepare_pages+0x11c/0x344 [ 562.528068][T15701] btrfs_buffered_write+0x594/0xe6c [ 562.529445][T15701] btrfs_file_write_iter+0x1a8/0xb6c [ 562.530911][T15701] do_iter_readv_writev+0x420/0x5f8 [ 562.532189][T15701] do_iter_write+0x1b8/0x66c [ 562.533259][T15701] do_pwritev+0x1ec/0x334 [ 562.534354][T15701] __arm64_sys_pwritev2+0xd4/0x108 [ 562.535757][T15701] invoke_syscall+0x98/0x2b8 [ 562.536950][T15701] el0_svc_common+0x138/0x258 [ 562.538242][T15701] do_el0_svc+0x58/0x14c [ 562.539357][T15701] el0_svc+0x7c/0x1f0 [ 562.540374][T15701] el0t_64_sync_handler+0x84/0xe4 [ 562.541719][T15701] el0t_64_sync+0x1a0/0x1a4 [ 562.567106][T15707] loop1: detected capacity change from 0 to 32768 [ 562.572545][T15707] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15707) [ 562.752731][T15690] FAULT_INJECTION: forcing a failure. [ 562.752731][T15690] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.756010][T15690] CPU: 0 PID: 15690 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 562.758249][T15690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 562.760674][T15690] Call trace: [ 562.761403][T15690] dump_backtrace+0x0/0x530 [ 562.762592][T15690] show_stack+0x2c/0x3c [ 562.763688][T15690] dump_stack_lvl+0x108/0x170 [ 562.764925][T15690] dump_stack+0x1c/0x58 [ 562.766021][T15690] should_fail+0x3b8/0x514 [ 562.767215][T15690] should_fail_usercopy+0x20/0x30 [ 562.768481][T15690] copy_page_from_iter_atomic+0x3c8/0xffc [ 562.770058][T15690] generic_perform_write+0x2d0/0x520 [ 562.771476][T15690] ext4_buffered_write_iter+0x3fc/0x528 [ 562.772821][T15690] ext4_file_write_iter+0x684/0x1618 [ 562.774154][T15690] do_iter_readv_writev+0x420/0x5f8 [ 562.775480][T15690] do_iter_write+0x1b8/0x66c [ 562.776746][T15690] do_pwritev+0x1ec/0x334 [ 562.777867][T15690] __arm64_sys_pwritev2+0xd4/0x108 [ 562.779164][T15690] invoke_syscall+0x98/0x2b8 [ 562.780393][T15690] el0_svc_common+0x138/0x258 [ 562.781567][T15690] do_el0_svc+0x58/0x14c [ 562.782548][T15690] el0_svc+0x7c/0x1f0 [ 562.783593][T15690] el0t_64_sync_handler+0x84/0xe4 [ 562.784900][T15690] el0t_64_sync+0x1a0/0x1a4 [ 562.799186][T15696] FAULT_INJECTION: forcing a failure. [ 562.799186][T15696] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 562.802779][T15696] CPU: 1 PID: 15696 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 562.804937][T15696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 562.807428][T15696] Call trace: [ 562.808183][T15696] dump_backtrace+0x0/0x530 [ 562.809267][T15696] show_stack+0x2c/0x3c [ 562.810191][T15696] dump_stack_lvl+0x108/0x170 [ 562.811375][T15696] dump_stack+0x1c/0x58 [ 562.812405][T15696] should_fail+0x3b8/0x514 [ 562.813465][T15696] should_fail_usercopy+0x20/0x30 [ 562.814646][T15696] copy_page_from_iter_atomic+0x3c8/0xffc [ 562.814985][T15718] loop0: detected capacity change from 0 to 32768 [ 562.816021][T15696] generic_perform_write+0x2d0/0x520 [ 562.816039][T15696] ext4_buffered_write_iter+0x3fc/0x528 [ 562.816051][T15696] ext4_file_write_iter+0x684/0x1618 [ 562.821627][T15696] do_iter_readv_writev+0x420/0x5f8 [ 562.822934][T15696] do_iter_write+0x1b8/0x66c [ 562.824049][T15696] do_pwritev+0x1ec/0x334 [ 562.825066][T15696] __arm64_sys_pwritev2+0xd4/0x108 [ 562.826340][T15696] invoke_syscall+0x98/0x2b8 [ 562.827508][T15696] el0_svc_common+0x138/0x258 [ 562.828735][T15696] do_el0_svc+0x58/0x14c [ 562.829921][T15696] el0_svc+0x7c/0x1f0 [ 562.830978][T15696] el0t_64_sync_handler+0x84/0xe4 [ 562.832299][T15696] el0t_64_sync+0x1a0/0x1a4 [ 562.836533][T15718] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor297 (15718) [ 562.865026][T15707] FAULT_INJECTION: forcing a failure. [ 562.865026][T15707] name failslab, interval 1, probability 0, space 0, times 0 [ 562.868195][T15707] CPU: 0 PID: 15707 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 562.870294][T15707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 562.872798][T15707] Call trace: [ 562.873594][T15707] dump_backtrace+0x0/0x530 [ 562.874771][T15707] show_stack+0x2c/0x3c [ 562.875794][T15707] dump_stack_lvl+0x108/0x170 [ 562.876935][T15707] dump_stack+0x1c/0x58 [ 562.878019][T15707] should_fail+0x3b8/0x514 [ 562.879130][T15707] __should_failslab+0xbc/0x110 [ 562.880340][T15707] should_failslab+0x10/0x28 [ 562.881539][T15707] slab_pre_alloc_hook+0x64/0xe8 [ 562.882811][T15707] kmem_cache_alloc+0x98/0x45c [ 562.884088][T15707] jbd2__journal_start+0x158/0x7b4 [ 562.885360][T15707] __ext4_journal_start_sb+0x358/0x70c [ 562.886769][T15707] ext4_dirty_inode+0x9c/0x100 [ 562.887938][T15707] __mark_inode_dirty+0x2b0/0x10f4 [ 562.889259][T15707] generic_write_end+0x15c/0x238 [ 562.890525][T15707] ext4_da_write_end+0x51c/0x930 [ 562.891802][T15707] generic_perform_write+0x354/0x520 [ 562.893178][T15707] ext4_buffered_write_iter+0x3fc/0x528 [ 562.894572][T15707] ext4_file_write_iter+0x684/0x1618 [ 562.896001][T15707] do_iter_readv_writev+0x420/0x5f8 [ 562.897331][T15707] do_iter_write+0x1b8/0x66c [ 562.898462][T15707] do_pwritev+0x1ec/0x334 [ 562.899529][T15707] __arm64_sys_pwritev2+0xd4/0x108 [ 562.900824][T15707] invoke_syscall+0x98/0x2b8 [ 562.901985][T15707] el0_svc_common+0x138/0x258 [ 562.903216][T15707] do_el0_svc+0x58/0x14c [ 562.904375][T15707] el0_svc+0x7c/0x1f0 [ 562.905380][T15707] el0t_64_sync_handler+0x84/0xe4 [ 562.906789][T15707] el0t_64_sync+0x1a0/0x1a4 [ 562.910909][T12208] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 10 scanned by udevd (12208) [ 562.920717][T15718] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 562.926174][T15718] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 562.938211][T15718] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 562.956314][T15718] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 562.959225][T15718] BTRFS info (device loop0): trying to use backup root at mount time [ 562.981629][T15718] BTRFS info (device loop0): use zlib compression, level 3 [ 562.983644][T15718] BTRFS info (device loop0): enabling ssd optimizations [ 562.988003][T15718] BTRFS info (device loop0): using spread ssd allocation scheme [ 562.989944][T15718] BTRFS info (device loop0): using free space tree [ 563.007687][T15718] BTRFS info (device loop0): has skinny extents [ 563.227296][T15718] FAULT_INJECTION: forcing a failure. [ 563.227296][T15718] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 563.233374][T15718] CPU: 0 PID: 15718 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 563.235690][T15718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 563.238160][T15718] Call trace: [ 563.239036][T15718] dump_backtrace+0x0/0x530 [ 563.240148][T15718] show_stack+0x2c/0x3c [ 563.241474][T15718] dump_stack_lvl+0x108/0x170 [ 563.242648][T15718] dump_stack+0x1c/0x58 [ 563.243726][T15718] should_fail+0x3b8/0x514 [ 563.244825][T15718] should_fail_alloc_page+0x74/0xa8 [ 563.246178][T15718] prepare_alloc_pages+0x160/0x460 [ 563.247620][T15718] __alloc_pages+0x138/0x674 [ 563.248840][T15718] alloc_pages+0x368/0x5d4 [ 563.249902][T15718] __page_cache_alloc+0x78/0x524 [ 563.251198][T15718] pagecache_get_page+0xa1c/0xd94 [ 563.252444][T15718] prepare_pages+0x11c/0x344 [ 563.253642][T15718] btrfs_buffered_write+0x594/0xe6c [ 563.255070][T15718] btrfs_file_write_iter+0x1a8/0xb6c [ 563.256473][T15718] do_iter_readv_writev+0x420/0x5f8 [ 563.257742][T15718] do_iter_write+0x1b8/0x66c [ 563.258972][T15718] do_pwritev+0x1ec/0x334 [ 563.260105][T15718] __arm64_sys_pwritev2+0xd4/0x108 [ 563.261472][T15718] invoke_syscall+0x98/0x2b8 [ 563.262690][T15718] el0_svc_common+0x138/0x258 [ 563.263808][T15718] do_el0_svc+0x58/0x14c [ 563.264854][T15718] el0_svc+0x7c/0x1f0 [ 563.265901][T15718] el0t_64_sync_handler+0x84/0xe4 [ 563.267141][T15718] el0t_64_sync+0x1a0/0x1a4 [ 563.271089][T15735] loop3: detected capacity change from 0 to 32768 [ 563.275507][T15735] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15735) [ 563.516326][T15740] loop4: detected capacity change from 0 to 32768 [ 563.526553][T15764] loop1: detected capacity change from 0 to 32768 [ 563.563084][T15740] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz-executor297 (15740) [ 563.573862][T15764] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15764) [ 563.584065][T15740] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm [ 563.586486][T15740] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 563.588251][T15735] FAULT_INJECTION: forcing a failure. [ 563.588251][T15735] name failslab, interval 1, probability 0, space 0, times 0 [ 563.593968][T15740] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 563.598248][T15735] CPU: 1 PID: 15735 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 563.600455][T15735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 563.603093][T15735] Call trace: [ 563.603964][T15735] dump_backtrace+0x0/0x530 [ 563.605177][T15735] show_stack+0x2c/0x3c [ 563.606233][T15735] dump_stack_lvl+0x108/0x170 [ 563.607477][T15735] dump_stack+0x1c/0x58 [ 563.608453][T15735] should_fail+0x3b8/0x514 [ 563.609592][T15735] __should_failslab+0xbc/0x110 [ 563.610229][T15740] BTRFS warning (device loop4): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 563.610782][T15735] should_failslab+0x10/0x28 [ 563.614829][T15735] slab_pre_alloc_hook+0x64/0xe8 [ 563.616068][T15735] kmem_cache_alloc+0x98/0x45c [ 563.617314][T15735] jbd2__journal_start+0x158/0x7b4 [ 563.618633][T15735] __ext4_journal_start_sb+0x358/0x70c [ 563.619998][T15735] ext4_dirty_inode+0x9c/0x100 [ 563.621223][T15735] __mark_inode_dirty+0x2b0/0x10f4 [ 563.622495][T15735] generic_write_end+0x15c/0x238 [ 563.623690][T15735] ext4_da_write_end+0x51c/0x930 [ 563.624929][T15735] generic_perform_write+0x354/0x520 [ 563.626245][T15735] ext4_buffered_write_iter+0x3fc/0x528 [ 563.626277][T15740] BTRFS info (device loop4): trying to use backup root at mount time [ 563.627562][T15735] ext4_file_write_iter+0x684/0x1618 [ 563.627578][T15735] do_iter_readv_writev+0x420/0x5f8 [ 563.627589][T15735] do_iter_write+0x1b8/0x66c [ 563.633372][T15735] do_pwritev+0x1ec/0x334 [ 563.634457][T15735] __arm64_sys_pwritev2+0xd4/0x108 [ 563.635725][T15735] invoke_syscall+0x98/0x2b8 [ 563.636957][T15735] el0_svc_common+0x138/0x258 [ 563.638147][T15735] do_el0_svc+0x58/0x14c [ 563.639324][T15735] el0_svc+0x7c/0x1f0 [ 563.640373][T15735] el0t_64_sync_handler+0x84/0xe4 [ 563.641666][T15735] el0t_64_sync+0x1a0/0x1a4 [ 563.643412][T15740] BTRFS info (device loop4): use zlib compression, level 3 [ 563.646518][T15740] BTRFS info (device loop4): enabling ssd optimizations [ 563.654289][T15740] BTRFS info (device loop4): using spread ssd allocation scheme [ 563.661043][T15740] BTRFS info (device loop4): using free space tree [ 563.673377][T15740] BTRFS info (device loop4): has skinny extents [ 563.921202][T15764] FAULT_INJECTION: forcing a failure. [ 563.921202][T15764] name failslab, interval 1, probability 0, space 0, times 0 [ 563.957585][T15764] CPU: 1 PID: 15764 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 563.959834][T15764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 563.962402][T15764] Call trace: [ 563.963205][T15764] dump_backtrace+0x0/0x530 [ 563.964186][T15764] show_stack+0x2c/0x3c [ 563.965174][T15764] dump_stack_lvl+0x108/0x170 [ 563.966292][T15764] dump_stack+0x1c/0x58 [ 563.967404][T15764] should_fail+0x3b8/0x514 [ 563.968588][T15764] __should_failslab+0xbc/0x110 [ 563.969843][T15764] should_failslab+0x10/0x28 [ 563.970863][T15764] slab_pre_alloc_hook+0x64/0xe8 [ 563.972099][T15764] kmem_cache_alloc+0x98/0x45c [ 563.973248][T15764] jbd2__journal_start+0x158/0x7b4 [ 563.974532][T15764] __ext4_journal_start_sb+0x358/0x70c [ 563.975904][T15764] ext4_dirty_inode+0x9c/0x100 [ 563.977081][T15764] __mark_inode_dirty+0x2b0/0x10f4 [ 563.978341][T15764] generic_write_end+0x15c/0x238 [ 563.979584][T15764] ext4_da_write_end+0x51c/0x930 [ 563.980852][T15764] generic_perform_write+0x354/0x520 [ 563.982219][T15764] ext4_buffered_write_iter+0x3fc/0x528 [ 563.983664][T15764] ext4_file_write_iter+0x684/0x1618 [ 563.984952][T15764] do_iter_readv_writev+0x420/0x5f8 [ 563.986266][T15764] do_iter_write+0x1b8/0x66c [ 563.987413][T15764] do_pwritev+0x1ec/0x334 [ 563.988489][T15764] __arm64_sys_pwritev2+0xd4/0x108 [ 563.989790][T15764] invoke_syscall+0x98/0x2b8 [ 563.991030][T15764] el0_svc_common+0x138/0x258 [ 563.992210][T15764] do_el0_svc+0x58/0x14c [ 563.993223][T15764] el0_svc+0x7c/0x1f0 [ 563.994165][T15764] el0t_64_sync_handler+0x84/0xe4 [ 563.995387][T15764] el0t_64_sync+0x1a0/0x1a4 [ 564.020421][T15777] loop0: detected capacity change from 0 to 32768 [ 564.028100][T15777] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15777) [ 564.036963][T15777] FAULT_INJECTION: forcing a failure. [ 564.036963][T15777] name failslab, interval 1, probability 0, space 0, times 0 [ 564.041665][T15777] CPU: 0 PID: 15777 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 564.043812][T15777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 564.046296][T15777] Call trace: [ 564.047140][T15777] dump_backtrace+0x0/0x530 [ 564.048330][T15777] show_stack+0x2c/0x3c [ 564.049401][T15777] dump_stack_lvl+0x108/0x170 [ 564.050626][T15777] dump_stack+0x1c/0x58 [ 564.051710][T15777] should_fail+0x3b8/0x514 [ 564.052852][T15777] __should_failslab+0xbc/0x110 [ 564.054007][T15777] should_failslab+0x10/0x28 [ 564.055093][T15777] slab_pre_alloc_hook+0x64/0xe8 [ 564.056392][T15777] kmem_cache_alloc+0x98/0x45c [ 564.057606][T15777] jbd2__journal_start+0x158/0x7b4 [ 564.058918][T15777] __ext4_journal_start_sb+0x358/0x70c [ 564.060356][T15777] ext4_dirty_inode+0x9c/0x100 [ 564.061539][T15777] __mark_inode_dirty+0x2b0/0x10f4 [ 564.062848][T15777] generic_write_end+0x15c/0x238 [ 564.064222][T15777] ext4_da_write_end+0x51c/0x930 [ 564.065458][T15777] generic_perform_write+0x354/0x520 [ 564.066949][T15777] ext4_buffered_write_iter+0x3fc/0x528 [ 564.068436][T15777] ext4_file_write_iter+0x684/0x1618 [ 564.069924][T15777] do_iter_readv_writev+0x420/0x5f8 [ 564.071255][T15777] do_iter_write+0x1b8/0x66c [ 564.072427][T15777] do_pwritev+0x1ec/0x334 [ 564.073568][T15777] __arm64_sys_pwritev2+0xd4/0x108 [ 564.074845][T15777] invoke_syscall+0x98/0x2b8 [ 564.076037][T15777] el0_svc_common+0x138/0x258 [ 564.077285][T15777] do_el0_svc+0x58/0x14c [ 564.078405][T15777] el0_svc+0x7c/0x1f0 [ 564.079430][T15777] el0t_64_sync_handler+0x84/0xe4 [ 564.079714][T15742] loop5: detected capacity change from 0 to 32768 [ 564.080626][T15777] el0t_64_sync+0x1a0/0x1a4 [ 564.087603][T15740] FAULT_INJECTION: forcing a failure. [ 564.087603][T15740] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 564.091308][T15740] CPU: 0 PID: 15740 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 564.093467][T15740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 564.096114][T15740] Call trace: [ 564.096961][T15740] dump_backtrace+0x0/0x530 [ 564.098074][T15740] show_stack+0x2c/0x3c [ 564.099107][T15740] dump_stack_lvl+0x108/0x170 [ 564.100340][T15740] dump_stack+0x1c/0x58 [ 564.101347][T15740] should_fail+0x3b8/0x514 [ 564.102410][T15740] should_fail_alloc_page+0x74/0xa8 [ 564.103686][T15740] prepare_alloc_pages+0x160/0x460 [ 564.104851][T15740] __alloc_pages+0x138/0x674 [ 564.105994][T15740] alloc_pages+0x368/0x5d4 [ 564.107139][T15740] __page_cache_alloc+0x78/0x524 [ 564.108366][T15740] pagecache_get_page+0xa1c/0xd94 [ 564.109605][T15740] prepare_pages+0x11c/0x344 [ 564.110718][T15740] btrfs_buffered_write+0x594/0xe6c [ 564.111937][T15740] btrfs_file_write_iter+0x1a8/0xb6c [ 564.113242][T15740] do_iter_readv_writev+0x420/0x5f8 [ 564.114509][T15740] do_iter_write+0x1b8/0x66c [ 564.115657][T15740] do_pwritev+0x1ec/0x334 [ 564.116822][T15740] __arm64_sys_pwritev2+0xd4/0x108 [ 564.118068][T15740] invoke_syscall+0x98/0x2b8 [ 564.119279][T15740] el0_svc_common+0x138/0x258 [ 564.119741][T15742] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15742) [ 564.120392][T15740] do_el0_svc+0x58/0x14c [ 564.124140][T15740] el0_svc+0x7c/0x1f0 [ 564.125236][T15740] el0t_64_sync_handler+0x84/0xe4 [ 564.126502][T15740] el0t_64_sync+0x1a0/0x1a4 [ 564.140460][T12207] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (12207) [ 564.201270][T15753] loop2: detected capacity change from 0 to 32768 [ 564.215225][T15753] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15753) [ 564.497371][T15753] FAULT_INJECTION: forcing a failure. [ 564.497371][T15753] name failslab, interval 1, probability 0, space 0, times 0 [ 564.513158][T15753] CPU: 1 PID: 15753 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 564.515456][T15753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 564.517831][T15753] Call trace: [ 564.518574][T15753] dump_backtrace+0x0/0x530 [ 564.519745][T15753] show_stack+0x2c/0x3c [ 564.520827][T15753] dump_stack_lvl+0x108/0x170 [ 564.522016][T15753] dump_stack+0x1c/0x58 [ 564.523010][T15753] should_fail+0x3b8/0x514 [ 564.524008][T15753] __should_failslab+0xbc/0x110 [ 564.525216][T15753] should_failslab+0x10/0x28 [ 564.526384][T15753] slab_pre_alloc_hook+0x64/0xe8 [ 564.527611][T15753] kmem_cache_alloc+0x98/0x45c [ 564.528859][T15753] jbd2__journal_start+0x158/0x7b4 [ 564.530109][T15753] __ext4_journal_start_sb+0x358/0x70c [ 564.531432][T15753] ext4_dirty_inode+0x9c/0x100 [ 564.532638][T15753] __mark_inode_dirty+0x2b0/0x10f4 [ 564.533913][T15753] generic_write_end+0x15c/0x238 [ 564.535170][T15753] ext4_da_write_end+0x51c/0x930 [ 564.536435][T15753] generic_perform_write+0x354/0x520 [ 564.537854][T15753] ext4_buffered_write_iter+0x3fc/0x528 [ 564.539266][T15753] ext4_file_write_iter+0x684/0x1618 [ 564.540530][T15753] do_iter_readv_writev+0x420/0x5f8 [ 564.541808][T15753] do_iter_write+0x1b8/0x66c [ 564.542907][T15753] do_pwritev+0x1ec/0x334 [ 564.544041][T15753] __arm64_sys_pwritev2+0xd4/0x108 [ 564.545330][T15753] invoke_syscall+0x98/0x2b8 [ 564.546392][T15753] el0_svc_common+0x138/0x258 [ 564.547471][T15753] do_el0_svc+0x58/0x14c [ 564.548552][T15753] el0_svc+0x7c/0x1f0 [ 564.549573][T15753] el0t_64_sync_handler+0x84/0xe4 [ 564.550839][T15753] el0t_64_sync+0x1a0/0x1a4 [ 564.555319][T15742] FAULT_INJECTION: forcing a failure. [ 564.555319][T15742] name failslab, interval 1, probability 0, space 0, times 0 [ 564.568050][T15742] CPU: 1 PID: 15742 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 564.570153][T15742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 564.572732][T15742] Call trace: [ 564.573585][T15742] dump_backtrace+0x0/0x530 [ 564.574761][T15742] show_stack+0x2c/0x3c [ 564.575838][T15742] dump_stack_lvl+0x108/0x170 [ 564.577000][T15742] dump_stack+0x1c/0x58 [ 564.578018][T15742] should_fail+0x3b8/0x514 [ 564.579174][T15742] __should_failslab+0xbc/0x110 [ 564.580478][T15742] should_failslab+0x10/0x28 [ 564.581657][T15742] slab_pre_alloc_hook+0x64/0xe8 [ 564.583033][T15742] kmem_cache_alloc+0x98/0x45c [ 564.584136][T15742] jbd2__journal_start+0x158/0x7b4 [ 564.585280][T15742] __ext4_journal_start_sb+0x358/0x70c [ 564.586679][T15742] ext4_dirty_inode+0x9c/0x100 [ 564.587881][T15742] __mark_inode_dirty+0x2b0/0x10f4 [ 564.589226][T15742] generic_write_end+0x15c/0x238 [ 564.590474][T15742] ext4_da_write_end+0x51c/0x930 [ 564.591695][T15742] generic_perform_write+0x354/0x520 [ 564.592993][T15742] ext4_buffered_write_iter+0x3fc/0x528 [ 564.594420][T15742] ext4_file_write_iter+0x684/0x1618 [ 564.595705][T15742] do_iter_readv_writev+0x420/0x5f8 [ 564.597023][T15742] do_iter_write+0x1b8/0x66c [ 564.598147][T15742] do_pwritev+0x1ec/0x334 [ 564.599229][T15742] __arm64_sys_pwritev2+0xd4/0x108 [ 564.600592][T15742] invoke_syscall+0x98/0x2b8 [ 564.601810][T15742] el0_svc_common+0x138/0x258 [ 564.603031][T15742] do_el0_svc+0x58/0x14c [ 564.604175][T15742] el0_svc+0x7c/0x1f0 [ 564.605116][T15742] el0t_64_sync_handler+0x84/0xe4 [ 564.606269][T15742] el0t_64_sync+0x1a0/0x1a4 [ 564.861632][T15787] loop3: detected capacity change from 0 to 32768 [ 564.878219][T15787] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop3 scanned by syz-executor297 (15787) [ 564.898807][T15787] BTRFS info (device loop3): using crc32c (crc32c-generic) checksum algorithm [ 564.908008][T15787] BTRFS warning (device loop3): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 564.920014][T15787] BTRFS warning (device loop3): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 564.931895][T15787] BTRFS warning (device loop3): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 564.942842][T15787] BTRFS info (device loop3): trying to use backup root at mount time [ 564.953095][T15787] BTRFS info (device loop3): use zlib compression, level 3 [ 564.960553][T15787] BTRFS info (device loop3): enabling ssd optimizations [ 564.968511][T15787] BTRFS info (device loop3): using spread ssd allocation scheme [ 564.976337][T15787] BTRFS info (device loop3): using free space tree [ 564.985208][T15787] BTRFS info (device loop3): has skinny extents [ 565.046938][T15791] loop1: detected capacity change from 0 to 32768 [ 565.061871][T15789] loop0: detected capacity change from 0 to 32768 [ 565.068806][T15789] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15789) [ 565.076503][T15791] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15791) [ 565.267831][T15787] FAULT_INJECTION: forcing a failure. [ 565.267831][T15787] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 565.293097][T15787] CPU: 1 PID: 15787 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 565.295349][T15787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 565.297907][T15787] Call trace: [ 565.298682][T15787] dump_backtrace+0x0/0x530 [ 565.299801][T15787] show_stack+0x2c/0x3c [ 565.300847][T15787] dump_stack_lvl+0x108/0x170 [ 565.301947][T15787] dump_stack+0x1c/0x58 [ 565.303021][T15787] should_fail+0x3b8/0x514 [ 565.304150][T15787] should_fail_alloc_page+0x74/0xa8 [ 565.305468][T15787] prepare_alloc_pages+0x160/0x460 [ 565.306751][T15787] __alloc_pages+0x138/0x674 [ 565.307909][T15787] alloc_pages+0x368/0x5d4 [ 565.309040][T15787] __page_cache_alloc+0x78/0x524 [ 565.310351][T15787] pagecache_get_page+0xa1c/0xd94 [ 565.311292][T15793] loop4: detected capacity change from 0 to 32768 [ 565.311644][T15787] prepare_pages+0x11c/0x344 [ 565.311661][T15787] btrfs_buffered_write+0x594/0xe6c [ 565.311671][T15787] btrfs_file_write_iter+0x1a8/0xb6c [ 565.311681][T15787] do_iter_readv_writev+0x420/0x5f8 [ 565.311693][T15787] do_iter_write+0x1b8/0x66c [ 565.311703][T15787] do_pwritev+0x1ec/0x334 [ 565.311712][T15787] __arm64_sys_pwritev2+0xd4/0x108 [ 565.311722][T15787] invoke_syscall+0x98/0x2b8 [ 565.311734][T15787] el0_svc_common+0x138/0x258 [ 565.311745][T15787] do_el0_svc+0x58/0x14c [ 565.311755][T15787] el0_svc+0x7c/0x1f0 [ 565.311766][T15787] el0t_64_sync_handler+0x84/0xe4 [ 565.311777][T15787] el0t_64_sync+0x1a0/0x1a4 [ 565.321022][T15793] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15793) [ 565.360099][T15789] FAULT_INJECTION: forcing a failure. [ 565.360099][T15789] name failslab, interval 1, probability 0, space 0, times 0 [ 565.381434][T15789] CPU: 0 PID: 15789 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 565.383477][T15789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 565.385941][T15789] Call trace: [ 565.386804][T15789] dump_backtrace+0x0/0x530 [ 565.387946][T15789] show_stack+0x2c/0x3c [ 565.388965][T15789] dump_stack_lvl+0x108/0x170 [ 565.390256][T15789] dump_stack+0x1c/0x58 [ 565.391130][T15789] should_fail+0x3b8/0x514 [ 565.392177][T15789] __should_failslab+0xbc/0x110 [ 565.393304][T15789] should_failslab+0x10/0x28 [ 565.394450][T15789] slab_pre_alloc_hook+0x64/0xe8 [ 565.395914][T15789] kmem_cache_alloc+0x98/0x45c [ 565.397207][T15789] jbd2__journal_start+0x158/0x7b4 [ 565.398447][T15789] __ext4_journal_start_sb+0x358/0x70c [ 565.399843][T15789] ext4_dirty_inode+0x9c/0x100 [ 565.401102][T15789] __mark_inode_dirty+0x2b0/0x10f4 [ 565.402402][T15789] generic_write_end+0x15c/0x238 [ 565.403711][T15789] ext4_da_write_end+0x51c/0x930 [ 565.405047][T15789] generic_perform_write+0x354/0x520 [ 565.406520][T15789] ext4_buffered_write_iter+0x3fc/0x528 [ 565.408043][T15789] ext4_file_write_iter+0x684/0x1618 [ 565.409462][T15789] do_iter_readv_writev+0x420/0x5f8 [ 565.410846][T15789] do_iter_write+0x1b8/0x66c [ 565.411950][T15789] do_pwritev+0x1ec/0x334 [ 565.413053][T15789] __arm64_sys_pwritev2+0xd4/0x108 [ 565.414313][T15789] invoke_syscall+0x98/0x2b8 [ 565.415454][T15789] el0_svc_common+0x138/0x258 [ 565.416571][T15789] do_el0_svc+0x58/0x14c [ 565.417624][T15789] el0_svc+0x7c/0x1f0 [ 565.418668][T15789] el0t_64_sync_handler+0x84/0xe4 [ 565.419883][T15789] el0t_64_sync+0x1a0/0x1a4 [ 565.524303][T15795] loop2: detected capacity change from 0 to 32768 [ 565.571899][T15795] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop2 scanned by syz-executor297 (15795) [ 565.592503][T15795] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm [ 565.594704][T15795] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 565.597378][T15795] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 565.599963][T15795] BTRFS warning (device loop2): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 565.604506][T15791] FAULT_INJECTION: forcing a failure. [ 565.604506][T15791] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 565.607598][T15791] CPU: 0 PID: 15791 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 565.609652][T15791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 565.612027][T15791] Call trace: [ 565.612807][T15791] dump_backtrace+0x0/0x530 [ 565.613830][T15791] show_stack+0x2c/0x3c [ 565.614896][T15791] dump_stack_lvl+0x108/0x170 [ 565.616134][T15791] dump_stack+0x1c/0x58 [ 565.617265][T15791] should_fail+0x3b8/0x514 [ 565.618460][T15791] should_fail_usercopy+0x20/0x30 [ 565.619747][T15791] copy_page_from_iter_atomic+0x3c8/0xffc [ 565.621312][T15791] generic_perform_write+0x2d0/0x520 [ 565.622741][T15791] ext4_buffered_write_iter+0x3fc/0x528 [ 565.624201][T15791] ext4_file_write_iter+0x684/0x1618 [ 565.625523][T15791] do_iter_readv_writev+0x420/0x5f8 [ 565.626929][T15791] do_iter_write+0x1b8/0x66c [ 565.628150][T15791] do_pwritev+0x1ec/0x334 [ 565.629246][T15791] __arm64_sys_pwritev2+0xd4/0x108 [ 565.630550][T15791] invoke_syscall+0x98/0x2b8 [ 565.631606][T15791] el0_svc_common+0x138/0x258 [ 565.632685][T15791] do_el0_svc+0x58/0x14c [ 565.633755][T15791] el0_svc+0x7c/0x1f0 [ 565.634772][T15791] el0t_64_sync_handler+0x84/0xe4 [ 565.636213][T15791] el0t_64_sync+0x1a0/0x1a4 [ 565.651921][T15795] BTRFS info (device loop2): trying to use backup root at mount time [ 565.660656][T12149] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 10 scanned by udevd (12149) [ 565.664045][T15795] BTRFS info (device loop2): use zlib compression, level 3 [ 565.668820][T15795] BTRFS info (device loop2): enabling ssd optimizations [ 565.675540][T15795] BTRFS info (device loop2): using spread ssd allocation scheme [ 565.684552][T15795] BTRFS info (device loop2): using free space tree [ 565.689785][T15795] BTRFS info (device loop2): has skinny extents [ 565.714432][T15793] FAULT_INJECTION: forcing a failure. [ 565.714432][T15793] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 565.717954][T15793] CPU: 0 PID: 15793 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 565.720069][T15793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 565.722736][T15793] Call trace: [ 565.723702][T15793] dump_backtrace+0x0/0x530 [ 565.724964][T15793] show_stack+0x2c/0x3c [ 565.726056][T15793] dump_stack_lvl+0x108/0x170 [ 565.727322][T15793] dump_stack+0x1c/0x58 [ 565.728487][T15793] should_fail+0x3b8/0x514 [ 565.729725][T15793] should_fail_usercopy+0x20/0x30 [ 565.731040][T15793] copy_page_from_iter_atomic+0x3c8/0xffc [ 565.732562][T15793] generic_perform_write+0x2d0/0x520 [ 565.733945][T15793] ext4_buffered_write_iter+0x3fc/0x528 [ 565.735338][T15793] ext4_file_write_iter+0x684/0x1618 [ 565.736663][T15793] do_iter_readv_writev+0x420/0x5f8 [ 565.736979][T15797] loop5: detected capacity change from 0 to 32768 [ 565.738109][T15793] do_iter_write+0x1b8/0x66c [ 565.738133][T15793] do_pwritev+0x1ec/0x334 [ 565.738144][T15793] __arm64_sys_pwritev2+0xd4/0x108 [ 565.738154][T15793] invoke_syscall+0x98/0x2b8 [ 565.744371][T15793] el0_svc_common+0x138/0x258 [ 565.745675][T15793] do_el0_svc+0x58/0x14c [ 565.746815][T15793] el0_svc+0x7c/0x1f0 [ 565.747937][T15793] el0t_64_sync_handler+0x84/0xe4 [ 565.749195][T15793] el0t_64_sync+0x1a0/0x1a4 [ 565.749573][T15797] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15797) [ 565.970600][T15795] FAULT_INJECTION: forcing a failure. [ 565.970600][T15795] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 565.974490][T15795] CPU: 0 PID: 15795 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 565.976698][T15795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 565.979152][T15795] Call trace: [ 565.979969][T15795] dump_backtrace+0x0/0x530 [ 565.981098][T15795] show_stack+0x2c/0x3c [ 565.982228][T15795] dump_stack_lvl+0x108/0x170 [ 565.983451][T15795] dump_stack+0x1c/0x58 [ 565.984512][T15795] should_fail+0x3b8/0x514 [ 565.985756][T15795] should_fail_alloc_page+0x74/0xa8 [ 565.987048][T15823] loop1: detected capacity change from 0 to 32768 [ 565.987146][T15795] prepare_alloc_pages+0x160/0x460 [ 565.990164][T15795] __alloc_pages+0x138/0x674 [ 565.991431][T15795] alloc_pages+0x368/0x5d4 [ 565.992596][T15795] __page_cache_alloc+0x78/0x524 [ 565.993866][T15795] pagecache_get_page+0xa1c/0xd94 [ 565.995120][T15795] prepare_pages+0x11c/0x344 [ 565.996409][T15795] btrfs_buffered_write+0x594/0xe6c [ 565.997869][T15795] btrfs_file_write_iter+0x1a8/0xb6c [ 565.999169][T15795] do_iter_readv_writev+0x420/0x5f8 [ 566.000437][T15795] do_iter_write+0x1b8/0x66c [ 566.001617][T15795] do_pwritev+0x1ec/0x334 [ 566.002685][T15795] __arm64_sys_pwritev2+0xd4/0x108 [ 566.003996][T15795] invoke_syscall+0x98/0x2b8 [ 566.005132][T15795] el0_svc_common+0x138/0x258 [ 566.006339][T15795] do_el0_svc+0x58/0x14c [ 566.007468][T15795] el0_svc+0x7c/0x1f0 [ 566.008542][T15795] el0t_64_sync_handler+0x84/0xe4 [ 566.009801][T15795] el0t_64_sync+0x1a0/0x1a4 [ 566.018435][T15823] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15823) [ 566.206364][T15797] FAULT_INJECTION: forcing a failure. [ 566.206364][T15797] name failslab, interval 1, probability 0, space 0, times 0 [ 566.228400][T15797] CPU: 0 PID: 15797 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 566.230885][T15797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 566.233453][T15797] Call trace: [ 566.234371][T15797] dump_backtrace+0x0/0x530 [ 566.235568][T15797] show_stack+0x2c/0x3c [ 566.236722][T15797] dump_stack_lvl+0x108/0x170 [ 566.237937][T15797] dump_stack+0x1c/0x58 [ 566.238954][T15797] should_fail+0x3b8/0x514 [ 566.240033][T15797] __should_failslab+0xbc/0x110 [ 566.241242][T15797] should_failslab+0x10/0x28 [ 566.242410][T15797] slab_pre_alloc_hook+0x64/0xe8 [ 566.243756][T15797] kmem_cache_alloc+0x98/0x45c [ 566.244907][T15797] jbd2__journal_start+0x158/0x7b4 [ 566.246115][T15797] __ext4_journal_start_sb+0x358/0x70c [ 566.247522][T15797] ext4_dirty_inode+0x9c/0x100 [ 566.248828][T15797] __mark_inode_dirty+0x2b0/0x10f4 [ 566.250163][T15797] generic_write_end+0x15c/0x238 [ 566.251477][T15797] ext4_da_write_end+0x51c/0x930 [ 566.252719][T15797] generic_perform_write+0x354/0x520 [ 566.254073][T15797] ext4_buffered_write_iter+0x3fc/0x528 [ 566.255509][T15797] ext4_file_write_iter+0x684/0x1618 [ 566.256924][T15797] do_iter_readv_writev+0x420/0x5f8 [ 566.258410][T15797] do_iter_write+0x1b8/0x66c [ 566.259601][T15797] do_pwritev+0x1ec/0x334 [ 566.260777][T15797] __arm64_sys_pwritev2+0xd4/0x108 [ 566.262139][T15797] invoke_syscall+0x98/0x2b8 [ 566.263339][T15797] el0_svc_common+0x138/0x258 [ 566.264619][T15797] do_el0_svc+0x58/0x14c [ 566.265657][T15797] el0_svc+0x7c/0x1f0 [ 566.266679][T15797] el0t_64_sync_handler+0x84/0xe4 [ 566.267956][T15797] el0t_64_sync+0x1a0/0x1a4 [ 566.344233][T12160] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 10 /dev/loop2 scanned by udevd (12160) [ 566.391025][T15823] FAULT_INJECTION: forcing a failure. [ 566.391025][T15823] name failslab, interval 1, probability 0, space 0, times 0 [ 566.407113][T15823] CPU: 0 PID: 15823 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 566.409393][T15823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 566.411827][T15823] Call trace: [ 566.412668][T15823] dump_backtrace+0x0/0x530 [ 566.413763][T15823] show_stack+0x2c/0x3c [ 566.414778][T15823] dump_stack_lvl+0x108/0x170 [ 566.416014][T15823] dump_stack+0x1c/0x58 [ 566.417118][T15823] should_fail+0x3b8/0x514 [ 566.418287][T15823] __should_failslab+0xbc/0x110 [ 566.419539][T15823] should_failslab+0x10/0x28 [ 566.420745][T15823] slab_pre_alloc_hook+0x64/0xe8 [ 566.422057][T15823] kmem_cache_alloc+0x98/0x45c [ 566.423285][T15823] jbd2__journal_start+0x158/0x7b4 [ 566.424640][T15823] __ext4_journal_start_sb+0x358/0x70c [ 566.426105][T15823] ext4_dirty_inode+0x9c/0x100 [ 566.427436][T15823] __mark_inode_dirty+0x2b0/0x10f4 [ 566.428799][T15823] generic_write_end+0x15c/0x238 [ 566.429995][T15823] ext4_da_write_end+0x51c/0x930 [ 566.431300][T15823] generic_perform_write+0x354/0x520 [ 566.432710][T15823] ext4_buffered_write_iter+0x3fc/0x528 [ 566.434232][T15823] ext4_file_write_iter+0x684/0x1618 [ 566.435644][T15823] do_iter_readv_writev+0x420/0x5f8 [ 566.437037][T15823] do_iter_write+0x1b8/0x66c [ 566.438182][T15823] do_pwritev+0x1ec/0x334 [ 566.439209][T15823] __arm64_sys_pwritev2+0xd4/0x108 [ 566.440462][T15823] invoke_syscall+0x98/0x2b8 [ 566.441607][T15823] el0_svc_common+0x138/0x258 [ 566.442795][T15823] do_el0_svc+0x58/0x14c [ 566.443882][T15823] el0_svc+0x7c/0x1f0 [ 566.444898][T15823] el0t_64_sync_handler+0x84/0xe4 [ 566.446107][T15823] el0t_64_sync+0x1a0/0x1a4 [ 566.692032][T15817] loop3: detected capacity change from 0 to 32768 [ 566.875766][T15827] loop0: detected capacity change from 0 to 32768 [ 567.054654][T15817] FAULT_INJECTION: forcing a failure. [ 567.054654][T15817] name failslab, interval 1, probability 0, space 0, times 0 [ 567.074435][T15817] CPU: 0 PID: 15817 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 567.076585][T15817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 567.079176][T15817] Call trace: [ 567.080058][T15817] dump_backtrace+0x0/0x530 [ 567.081169][T15817] show_stack+0x2c/0x3c [ 567.082225][T15817] dump_stack_lvl+0x108/0x170 [ 567.083408][T15817] dump_stack+0x1c/0x58 [ 567.084448][T15817] should_fail+0x3b8/0x514 [ 567.085466][T15817] __should_failslab+0xbc/0x110 [ 567.086745][T15817] should_failslab+0x10/0x28 [ 567.087964][T15817] slab_pre_alloc_hook+0x64/0xe8 [ 567.089269][T15817] kmem_cache_alloc+0x98/0x45c [ 567.090556][T15817] jbd2__journal_start+0x158/0x7b4 [ 567.091904][T15817] __ext4_journal_start_sb+0x358/0x70c [ 567.093243][T15817] ext4_dirty_inode+0x9c/0x100 [ 567.094513][T15817] __mark_inode_dirty+0x2b0/0x10f4 [ 567.095735][T15817] generic_write_end+0x15c/0x238 [ 567.097076][T15817] ext4_da_write_end+0x51c/0x930 [ 567.098256][T15817] generic_perform_write+0x354/0x520 [ 567.099495][T15817] ext4_buffered_write_iter+0x3fc/0x528 [ 567.100871][T15817] ext4_file_write_iter+0x684/0x1618 [ 567.102164][T15817] do_iter_readv_writev+0x420/0x5f8 [ 567.103538][T15817] do_iter_write+0x1b8/0x66c [ 567.104708][T15817] do_pwritev+0x1ec/0x334 [ 567.105772][T15817] __arm64_sys_pwritev2+0xd4/0x108 [ 567.107077][T15817] invoke_syscall+0x98/0x2b8 [ 567.108245][T15817] el0_svc_common+0x138/0x258 [ 567.109433][T15817] do_el0_svc+0x58/0x14c [ 567.110511][T15817] el0_svc+0x7c/0x1f0 [ 567.111579][T15817] el0t_64_sync_handler+0x84/0xe4 [ 567.112836][T15817] el0t_64_sync+0x1a0/0x1a4 [ 567.150666][T15841] loop4: detected capacity change from 0 to 32768 [ 567.203153][T15827] FAULT_INJECTION: forcing a failure. [ 567.203153][T15827] name failslab, interval 1, probability 0, space 0, times 0 [ 567.214681][T15827] CPU: 0 PID: 15827 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 567.217026][T15827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 567.219630][T15827] Call trace: [ 567.220466][T15827] dump_backtrace+0x0/0x530 [ 567.221735][T15827] show_stack+0x2c/0x3c [ 567.222854][T15827] dump_stack_lvl+0x108/0x170 [ 567.224103][T15827] dump_stack+0x1c/0x58 [ 567.225260][T15827] should_fail+0x3b8/0x514 [ 567.226439][T15827] __should_failslab+0xbc/0x110 [ 567.227799][T15827] should_failslab+0x10/0x28 [ 567.229017][T15827] slab_pre_alloc_hook+0x64/0xe8 [ 567.230347][T15827] kmem_cache_alloc+0x98/0x45c [ 567.231626][T15827] jbd2__journal_start+0x158/0x7b4 [ 567.232813][T15827] __ext4_journal_start_sb+0x358/0x70c [ 567.234237][T15827] ext4_dirty_inode+0x9c/0x100 [ 567.235526][T15827] __mark_inode_dirty+0x2b0/0x10f4 [ 567.236799][T15827] generic_write_end+0x15c/0x238 [ 567.238037][T15827] ext4_da_write_end+0x51c/0x930 [ 567.239369][T15827] generic_perform_write+0x354/0x520 [ 567.240833][T15827] ext4_buffered_write_iter+0x3fc/0x528 [ 567.242481][T15827] ext4_file_write_iter+0x684/0x1618 [ 567.243926][T15827] do_iter_readv_writev+0x420/0x5f8 [ 567.245197][T15827] do_iter_write+0x1b8/0x66c [ 567.246465][T15827] do_pwritev+0x1ec/0x334 [ 567.247604][T15827] __arm64_sys_pwritev2+0xd4/0x108 [ 567.248920][T15827] invoke_syscall+0x98/0x2b8 [ 567.250215][T15827] el0_svc_common+0x138/0x258 [ 567.251305][T15827] do_el0_svc+0x58/0x14c [ 567.252428][T15827] el0_svc+0x7c/0x1f0 [ 567.253454][T15827] el0t_64_sync_handler+0x84/0xe4 [ 567.254716][T15827] el0t_64_sync+0x1a0/0x1a4 [ 567.395686][T15846] loop5: detected capacity change from 0 to 32768 [ 567.540477][T15841] FAULT_INJECTION: forcing a failure. [ 567.540477][T15841] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 567.544318][T15841] CPU: 1 PID: 15841 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 567.546472][T15841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 567.548972][T15841] Call trace: [ 567.549750][T15841] dump_backtrace+0x0/0x530 [ 567.550923][T15841] show_stack+0x2c/0x3c [ 567.552001][T15841] dump_stack_lvl+0x108/0x170 [ 567.553191][T15841] dump_stack+0x1c/0x58 [ 567.554286][T15841] should_fail+0x3b8/0x514 [ 567.555459][T15841] should_fail_usercopy+0x20/0x30 [ 567.556746][T15841] copy_page_from_iter_atomic+0x3c8/0xffc [ 567.558339][T15841] generic_perform_write+0x2d0/0x520 [ 567.559847][T15841] ext4_buffered_write_iter+0x3fc/0x528 [ 567.561369][T15841] ext4_file_write_iter+0x684/0x1618 [ 567.562733][T15841] do_iter_readv_writev+0x420/0x5f8 [ 567.564121][T15841] do_iter_write+0x1b8/0x66c [ 567.565348][T15841] do_pwritev+0x1ec/0x334 [ 567.566513][T15841] __arm64_sys_pwritev2+0xd4/0x108 [ 567.567801][T15841] invoke_syscall+0x98/0x2b8 [ 567.568992][T15841] el0_svc_common+0x138/0x258 [ 567.570197][T15841] do_el0_svc+0x58/0x14c [ 567.571335][T15841] el0_svc+0x7c/0x1f0 [ 567.572410][T15841] el0t_64_sync_handler+0x84/0xe4 [ 567.573762][T15841] el0t_64_sync+0x1a0/0x1a4 [ 567.612431][T15843] FAULT_INJECTION: forcing a failure. [ 567.612431][T15843] name failslab, interval 1, probability 0, space 0, times 0 [ 567.629440][T15843] CPU: 1 PID: 15843 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 567.631786][T15843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 567.634293][T15843] Call trace: [ 567.635082][T15843] dump_backtrace+0x0/0x530 [ 567.636136][T15843] show_stack+0x2c/0x3c [ 567.637184][T15843] dump_stack_lvl+0x108/0x170 [ 567.638342][T15843] dump_stack+0x1c/0x58 [ 567.639456][T15843] should_fail+0x3b8/0x514 [ 567.640594][T15843] __should_failslab+0xbc/0x110 [ 567.641770][T15843] should_failslab+0x10/0x28 [ 567.643008][T15843] slab_pre_alloc_hook+0x64/0xe8 [ 567.644329][T15843] kmem_cache_alloc+0x98/0x45c [ 567.645479][T15843] jbd2__journal_start+0x158/0x7b4 [ 567.646769][T15843] __ext4_journal_start_sb+0x358/0x70c [ 567.648116][T15843] ext4_dirty_inode+0x9c/0x100 [ 567.649364][T15843] __mark_inode_dirty+0x2b0/0x10f4 [ 567.650676][T15843] generic_write_end+0x15c/0x238 [ 567.652009][T15843] ext4_da_write_end+0x51c/0x930 [ 567.653303][T15843] generic_perform_write+0x354/0x520 [ 567.654627][T15843] ext4_buffered_write_iter+0x3fc/0x528 [ 567.656048][T15843] ext4_file_write_iter+0x684/0x1618 [ 567.657383][T15843] do_iter_readv_writev+0x420/0x5f8 [ 567.658678][T15843] do_iter_write+0x1b8/0x66c [ 567.659848][T15843] do_pwritev+0x1ec/0x334 [ 567.660957][T15843] __arm64_sys_pwritev2+0xd4/0x108 [ 567.662317][T15843] invoke_syscall+0x98/0x2b8 [ 567.663574][T15843] el0_svc_common+0x138/0x258 [ 567.664765][T15843] do_el0_svc+0x58/0x14c [ 567.665854][T15843] el0_svc+0x7c/0x1f0 [ 567.666883][T15843] el0t_64_sync_handler+0x84/0xe4 [ 567.668188][T15843] el0t_64_sync+0x1a0/0x1a4 [ 567.678010][T15848] loop1: detected capacity change from 0 to 32768 [ 567.740801][T15846] FAULT_INJECTION: forcing a failure. [ 567.740801][T15846] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 567.745253][T15846] CPU: 0 PID: 15846 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 567.747287][T15846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 567.750279][T15846] Call trace: [ 567.751133][T15846] dump_backtrace+0x0/0x530 [ 567.752270][T15846] show_stack+0x2c/0x3c [ 567.753478][T15846] dump_stack_lvl+0x108/0x170 [ 567.754785][T15846] dump_stack+0x1c/0x58 [ 567.755841][T15846] should_fail+0x3b8/0x514 [ 567.756998][T15846] should_fail_usercopy+0x20/0x30 [ 567.758707][T15846] copy_page_from_iter_atomic+0x3c8/0xffc [ 567.760270][T15846] generic_perform_write+0x2d0/0x520 [ 567.761618][T15846] ext4_buffered_write_iter+0x3fc/0x528 [ 567.763384][T15846] ext4_file_write_iter+0x684/0x1618 [ 567.765345][T15846] do_iter_readv_writev+0x420/0x5f8 [ 567.766761][T15846] do_iter_write+0x1b8/0x66c [ 567.768336][T15846] do_pwritev+0x1ec/0x334 [ 567.769846][T15846] __arm64_sys_pwritev2+0xd4/0x108 [ 567.771699][T15846] invoke_syscall+0x98/0x2b8 [ 567.773002][T15846] el0_svc_common+0x138/0x258 [ 567.774352][T15846] do_el0_svc+0x58/0x14c [ 567.775477][T15846] el0_svc+0x7c/0x1f0 [ 567.776591][T15846] el0t_64_sync_handler+0x84/0xe4 [ 567.777948][T15846] el0t_64_sync+0x1a0/0x1a4 [ 568.029064][T15848] FAULT_INJECTION: forcing a failure. [ 568.029064][T15848] name failslab, interval 1, probability 0, space 0, times 0 [ 568.048647][T15848] CPU: 0 PID: 15848 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 568.050927][T15848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 568.053475][T15848] Call trace: [ 568.054307][T15848] dump_backtrace+0x0/0x530 [ 568.055416][T15848] show_stack+0x2c/0x3c [ 568.056467][T15848] dump_stack_lvl+0x108/0x170 [ 568.057643][T15848] dump_stack+0x1c/0x58 [ 568.058751][T15848] should_fail+0x3b8/0x514 [ 568.059914][T15848] __should_failslab+0xbc/0x110 [ 568.061122][T15848] should_failslab+0x10/0x28 [ 568.062274][T15848] slab_pre_alloc_hook+0x64/0xe8 [ 568.063466][T15848] kmem_cache_alloc+0x98/0x45c [ 568.064673][T15848] jbd2__journal_start+0x158/0x7b4 [ 568.065987][T15848] __ext4_journal_start_sb+0x358/0x70c [ 568.067430][T15848] ext4_dirty_inode+0x9c/0x100 [ 568.068642][T15848] __mark_inode_dirty+0x2b0/0x10f4 [ 568.069972][T15848] generic_write_end+0x15c/0x238 [ 568.071201][T15848] ext4_da_write_end+0x51c/0x930 [ 568.072462][T15848] generic_perform_write+0x354/0x520 [ 568.073831][T15848] ext4_buffered_write_iter+0x3fc/0x528 [ 568.075205][T15848] ext4_file_write_iter+0x684/0x1618 [ 568.076680][T15848] do_iter_readv_writev+0x420/0x5f8 [ 568.078057][T15848] do_iter_write+0x1b8/0x66c [ 568.079206][T15848] do_pwritev+0x1ec/0x334 [ 568.080341][T15848] __arm64_sys_pwritev2+0xd4/0x108 [ 568.081611][T15848] invoke_syscall+0x98/0x2b8 [ 568.082603][T15848] el0_svc_common+0x138/0x258 [ 568.083838][T15848] do_el0_svc+0x58/0x14c [ 568.084872][T15848] el0_svc+0x7c/0x1f0 [ 568.085865][T15848] el0t_64_sync_handler+0x84/0xe4 [ 568.087283][T15848] el0t_64_sync+0x1a0/0x1a4 [ 568.260493][T15850] loop3: detected capacity change from 0 to 32768 [ 568.402352][T15852] loop0: detected capacity change from 0 to 32768 [ 568.593087][T15850] FAULT_INJECTION: forcing a failure. [ 568.593087][T15850] name failslab, interval 1, probability 0, space 0, times 0 [ 568.616230][T15850] CPU: 0 PID: 15850 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 568.618565][T15850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 568.621153][T15850] Call trace: [ 568.621998][T15850] dump_backtrace+0x0/0x530 [ 568.623186][T15850] show_stack+0x2c/0x3c [ 568.624261][T15850] dump_stack_lvl+0x108/0x170 [ 568.625427][T15850] dump_stack+0x1c/0x58 [ 568.626557][T15850] should_fail+0x3b8/0x514 [ 568.627693][T15850] __should_failslab+0xbc/0x110 [ 568.628910][T15850] should_failslab+0x10/0x28 [ 568.630133][T15850] slab_pre_alloc_hook+0x64/0xe8 [ 568.631326][T15850] kmem_cache_alloc+0x98/0x45c [ 568.632562][T15850] jbd2__journal_start+0x158/0x7b4 [ 568.633941][T15850] __ext4_journal_start_sb+0x358/0x70c [ 568.635397][T15850] ext4_dirty_inode+0x9c/0x100 [ 568.636602][T15850] __mark_inode_dirty+0x2b0/0x10f4 [ 568.637895][T15850] generic_write_end+0x15c/0x238 [ 568.639132][T15850] ext4_da_write_end+0x51c/0x930 [ 568.640430][T15850] generic_perform_write+0x354/0x520 [ 568.641715][T15850] ext4_buffered_write_iter+0x3fc/0x528 [ 568.643175][T15850] ext4_file_write_iter+0x684/0x1618 [ 568.644581][T15850] do_iter_readv_writev+0x420/0x5f8 [ 568.645944][T15850] do_iter_write+0x1b8/0x66c [ 568.647174][T15850] do_pwritev+0x1ec/0x334 [ 568.648307][T15850] __arm64_sys_pwritev2+0xd4/0x108 [ 568.649633][T15850] invoke_syscall+0x98/0x2b8 [ 568.650812][T15850] el0_svc_common+0x138/0x258 [ 568.652056][T15850] do_el0_svc+0x58/0x14c [ 568.653161][T15850] el0_svc+0x7c/0x1f0 [ 568.654173][T15850] el0t_64_sync_handler+0x84/0xe4 [ 568.655460][T15850] el0t_64_sync+0x1a0/0x1a4 [ 568.707067][T15854] loop4: detected capacity change from 0 to 32768 [ 568.727425][T15852] FAULT_INJECTION: forcing a failure. [ 568.727425][T15852] name failslab, interval 1, probability 0, space 0, times 0 [ 568.744916][T15852] CPU: 0 PID: 15852 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 568.747235][T15852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 568.749887][T15852] Call trace: [ 568.750733][T15852] dump_backtrace+0x0/0x530 [ 568.751996][T15852] show_stack+0x2c/0x3c [ 568.753061][T15852] dump_stack_lvl+0x108/0x170 [ 568.754295][T15852] dump_stack+0x1c/0x58 [ 568.755458][T15852] should_fail+0x3b8/0x514 [ 568.756551][T15852] __should_failslab+0xbc/0x110 [ 568.757794][T15852] should_failslab+0x10/0x28 [ 568.759090][T15852] slab_pre_alloc_hook+0x64/0xe8 [ 568.760265][T15852] kmem_cache_alloc+0x98/0x45c [ 568.761565][T15852] jbd2__journal_start+0x158/0x7b4 [ 568.762866][T15852] __ext4_journal_start_sb+0x358/0x70c [ 568.764297][T15852] ext4_dirty_inode+0x9c/0x100 [ 568.765626][T15852] __mark_inode_dirty+0x2b0/0x10f4 [ 568.766914][T15852] generic_write_end+0x15c/0x238 [ 568.768152][T15852] ext4_da_write_end+0x51c/0x930 [ 568.769401][T15852] generic_perform_write+0x354/0x520 [ 568.770837][T15852] ext4_buffered_write_iter+0x3fc/0x528 [ 568.772302][T15852] ext4_file_write_iter+0x684/0x1618 [ 568.773680][T15852] do_iter_readv_writev+0x420/0x5f8 [ 568.775029][T15852] do_iter_write+0x1b8/0x66c [ 568.776232][T15852] do_pwritev+0x1ec/0x334 [ 568.777461][T15852] __arm64_sys_pwritev2+0xd4/0x108 [ 568.778749][T15852] invoke_syscall+0x98/0x2b8 [ 568.779948][T15852] el0_svc_common+0x138/0x258 [ 568.781210][T15852] do_el0_svc+0x58/0x14c [ 568.782310][T15852] el0_svc+0x7c/0x1f0 [ 568.783412][T15852] el0t_64_sync_handler+0x84/0xe4 [ 568.784620][T15852] el0t_64_sync+0x1a0/0x1a4 [ 568.859889][T15856] loop2: detected capacity change from 0 to 32768 [ 568.885401][T15856] BTRFS info (device loop2): using crc32c (crc32c-generic) checksum algorithm [ 568.895901][T15856] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 568.909088][T15856] BTRFS warning (device loop2): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 568.923823][T15856] BTRFS warning (device loop2): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 568.938980][T15856] BTRFS info (device loop2): trying to use backup root at mount time [ 568.949224][T15856] BTRFS info (device loop2): use zlib compression, level 3 [ 568.957106][T15856] BTRFS info (device loop2): enabling ssd optimizations [ 568.962505][T15856] BTRFS info (device loop2): using spread ssd allocation scheme [ 568.976702][T15856] BTRFS info (device loop2): using free space tree [ 568.991928][T15856] BTRFS info (device loop2): has skinny extents [ 569.009744][T15854] FAULT_INJECTION: forcing a failure. [ 569.009744][T15854] name failslab, interval 1, probability 0, space 0, times 0 [ 569.031596][T15854] CPU: 1 PID: 15854 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 569.033886][T15854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 569.036497][T15854] Call trace: [ 569.037272][T15854] dump_backtrace+0x0/0x530 [ 569.038417][T15854] show_stack+0x2c/0x3c [ 569.039503][T15854] dump_stack_lvl+0x108/0x170 [ 569.040668][T15854] dump_stack+0x1c/0x58 [ 569.041782][T15854] should_fail+0x3b8/0x514 [ 569.042914][T15854] __should_failslab+0xbc/0x110 [ 569.044090][T15854] should_failslab+0x10/0x28 [ 569.045231][T15854] slab_pre_alloc_hook+0x64/0xe8 [ 569.046470][T15854] kmem_cache_alloc+0x98/0x45c [ 569.047680][T15854] jbd2__journal_start+0x158/0x7b4 [ 569.049006][T15854] __ext4_journal_start_sb+0x358/0x70c [ 569.050405][T15854] ext4_dirty_inode+0x9c/0x100 [ 569.051532][T15854] __mark_inode_dirty+0x2b0/0x10f4 [ 569.052880][T15854] generic_write_end+0x15c/0x238 [ 569.054225][T15854] ext4_da_write_end+0x51c/0x930 [ 569.055473][T15854] generic_perform_write+0x354/0x520 [ 569.056887][T15854] ext4_buffered_write_iter+0x3fc/0x528 [ 569.058246][T15854] ext4_file_write_iter+0x684/0x1618 [ 569.059683][T15854] do_iter_readv_writev+0x420/0x5f8 [ 569.061012][T15854] do_iter_write+0x1b8/0x66c [ 569.062166][T15854] do_pwritev+0x1ec/0x334 [ 569.063271][T15854] __arm64_sys_pwritev2+0xd4/0x108 [ 569.064676][T15854] invoke_syscall+0x98/0x2b8 [ 569.065932][T15854] el0_svc_common+0x138/0x258 [ 569.067381][T15854] do_el0_svc+0x58/0x14c [ 569.068455][T15854] el0_svc+0x7c/0x1f0 [ 569.069428][T15854] el0t_64_sync_handler+0x84/0xe4 [ 569.070767][T15854] el0t_64_sync+0x1a0/0x1a4 [ 569.163135][T15858] loop5: detected capacity change from 0 to 32768 [ 569.176691][T15856] FAULT_INJECTION: forcing a failure. [ 569.176691][T15856] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 569.186966][T15856] CPU: 1 PID: 15856 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 569.189142][T15856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 569.189246][T15858] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15858) [ 569.191804][T15856] Call trace: [ 569.191813][T15856] dump_backtrace+0x0/0x530 [ 569.191830][T15856] show_stack+0x2c/0x3c [ 569.191839][T15856] dump_stack_lvl+0x108/0x170 [ 569.191851][T15856] dump_stack+0x1c/0x58 [ 569.191861][T15856] should_fail+0x3b8/0x514 [ 569.191873][T15856] should_fail_alloc_page+0x74/0xa8 [ 569.191886][T15856] prepare_alloc_pages+0x160/0x460 [ 569.191897][T15856] __alloc_pages+0x138/0x674 [ 569.191908][T15856] alloc_pages+0x368/0x5d4 [ 569.191918][T15856] __page_cache_alloc+0x78/0x524 [ 569.207202][T15856] pagecache_get_page+0xa1c/0xd94 [ 569.208600][T15856] prepare_pages+0x11c/0x344 [ 569.209852][T15856] btrfs_buffered_write+0x594/0xe6c [ 569.211278][T15856] btrfs_file_write_iter+0x1a8/0xb6c [ 569.212724][T15856] do_iter_readv_writev+0x420/0x5f8 [ 569.214209][T15856] do_iter_write+0x1b8/0x66c [ 569.215528][T15856] do_pwritev+0x1ec/0x334 [ 569.216811][T15856] __arm64_sys_pwritev2+0xd4/0x108 [ 569.218290][T15856] invoke_syscall+0x98/0x2b8 [ 569.219595][T15856] el0_svc_common+0x138/0x258 [ 569.220891][T15856] do_el0_svc+0x58/0x14c [ 569.222032][T15856] el0_svc+0x7c/0x1f0 [ 569.223172][T15856] el0t_64_sync_handler+0x84/0xe4 [ 569.224560][T15856] el0t_64_sync+0x1a0/0x1a4 [ 569.433110][T15860] loop1: detected capacity change from 0 to 32768 [ 569.484429][T15860] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop1 scanned by syz-executor297 (15860) [ 569.561100][T15860] BTRFS info (device loop1): using crc32c (crc32c-generic) checksum algorithm [ 569.570957][T15860] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 569.577144][T15860] BTRFS warning (device loop1): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 569.579955][T15860] BTRFS warning (device loop1): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 569.607350][T15860] BTRFS info (device loop1): trying to use backup root at mount time [ 569.609502][T15860] BTRFS info (device loop1): use zlib compression, level 3 [ 569.616999][T15858] FAULT_INJECTION: forcing a failure. [ 569.616999][T15858] name failslab, interval 1, probability 0, space 0, times 0 [ 569.633137][T15858] CPU: 0 PID: 15858 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 569.635460][T15858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 569.638075][T15858] Call trace: [ 569.638927][T15858] dump_backtrace+0x0/0x530 [ 569.640078][T15858] show_stack+0x2c/0x3c [ 569.641099][T15858] dump_stack_lvl+0x108/0x170 [ 569.642206][T15858] dump_stack+0x1c/0x58 [ 569.643270][T15858] should_fail+0x3b8/0x514 [ 569.644426][T15858] __should_failslab+0xbc/0x110 [ 569.645776][T15858] should_failslab+0x10/0x28 [ 569.646358][T15860] BTRFS info (device loop1): enabling ssd optimizations [ 569.646922][T15858] slab_pre_alloc_hook+0x64/0xe8 [ 569.648937][T15860] BTRFS info (device loop1): using spread ssd allocation scheme [ 569.650234][T15858] kmem_cache_alloc+0x98/0x45c [ 569.653279][T15858] jbd2__journal_start+0x158/0x7b4 [ 569.654592][T15858] __ext4_journal_start_sb+0x358/0x70c [ 569.656095][T15858] ext4_dirty_inode+0x9c/0x100 [ 569.657392][T15858] __mark_inode_dirty+0x2b0/0x10f4 [ 569.658669][T15858] generic_write_end+0x15c/0x238 [ 569.659950][T15858] ext4_da_write_end+0x51c/0x930 [ 569.661331][T15858] generic_perform_write+0x354/0x520 [ 569.662708][T15858] ext4_buffered_write_iter+0x3fc/0x528 [ 569.664146][T15858] ext4_file_write_iter+0x684/0x1618 [ 569.665532][T15858] do_iter_readv_writev+0x420/0x5f8 [ 569.666902][T15858] do_iter_write+0x1b8/0x66c [ 569.668135][T15858] do_pwritev+0x1ec/0x334 [ 569.669370][T15858] __arm64_sys_pwritev2+0xd4/0x108 [ 569.670785][T15858] invoke_syscall+0x98/0x2b8 [ 569.671960][T15858] el0_svc_common+0x138/0x258 [ 569.672512][T15860] BTRFS info (device loop1): using free space tree [ 569.673161][T15858] do_el0_svc+0x58/0x14c [ 569.674831][T15860] BTRFS info (device loop1): has skinny extents [ 569.675923][T15858] el0_svc+0x7c/0x1f0 [ 569.678589][T15858] el0t_64_sync_handler+0x84/0xe4 [ 569.679967][T15858] el0t_64_sync+0x1a0/0x1a4 [ 569.886325][T15864] loop0: detected capacity change from 0 to 32768 [ 569.896336][T15864] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (15864) [ 569.978769][T15860] FAULT_INJECTION: forcing a failure. [ 569.978769][T15860] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 569.996313][T15860] CPU: 0 PID: 15860 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 569.998533][T15860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 570.000998][T15860] Call trace: [ 570.001828][T15860] dump_backtrace+0x0/0x530 [ 570.002960][T15860] show_stack+0x2c/0x3c [ 570.004035][T15860] dump_stack_lvl+0x108/0x170 [ 570.005342][T15860] dump_stack+0x1c/0x58 [ 570.006364][T15860] should_fail+0x3b8/0x514 [ 570.007540][T15860] should_fail_alloc_page+0x74/0xa8 [ 570.008863][T15860] prepare_alloc_pages+0x160/0x460 [ 570.010238][T15860] __alloc_pages+0x138/0x674 [ 570.011358][T15860] alloc_pages+0x368/0x5d4 [ 570.012457][T15860] __page_cache_alloc+0x78/0x524 [ 570.013722][T15860] pagecache_get_page+0xa1c/0xd94 [ 570.014942][T15860] prepare_pages+0x11c/0x344 [ 570.016043][T15860] btrfs_buffered_write+0x594/0xe6c [ 570.017394][T15860] btrfs_file_write_iter+0x1a8/0xb6c [ 570.018715][T15860] do_iter_readv_writev+0x420/0x5f8 [ 570.020065][T15860] do_iter_write+0x1b8/0x66c [ 570.021280][T15860] do_pwritev+0x1ec/0x334 [ 570.022390][T15860] __arm64_sys_pwritev2+0xd4/0x108 [ 570.023771][T15860] invoke_syscall+0x98/0x2b8 [ 570.025001][T15860] el0_svc_common+0x138/0x258 [ 570.026360][T15860] do_el0_svc+0x58/0x14c [ 570.027373][T15860] el0_svc+0x7c/0x1f0 [ 570.028454][T15860] el0t_64_sync_handler+0x84/0xe4 [ 570.029747][T15860] el0t_64_sync+0x1a0/0x1a4 [ 570.130240][T15862] loop3: detected capacity change from 0 to 32768 [ 570.157304][T15887] loop2: detected capacity change from 0 to 32768 [ 570.175104][T15862] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15862) [ 570.182996][T15887] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15887) [ 570.366741][T15879] loop4: detected capacity change from 0 to 32768 [ 570.370479][T15864] FAULT_INJECTION: forcing a failure. [ 570.370479][T15864] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 570.374188][T15864] CPU: 0 PID: 15864 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 570.376457][T15864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 570.378925][T15864] Call trace: [ 570.379662][T15864] dump_backtrace+0x0/0x530 [ 570.380793][T15864] show_stack+0x2c/0x3c [ 570.381845][T15864] dump_stack_lvl+0x108/0x170 [ 570.383081][T15864] dump_stack+0x1c/0x58 [ 570.384216][T15864] should_fail+0x3b8/0x514 [ 570.385376][T15864] should_fail_usercopy+0x20/0x30 [ 570.386625][T15864] copy_page_from_iter_atomic+0x3c8/0xffc [ 570.388137][T15864] generic_perform_write+0x2d0/0x520 [ 570.389503][T15864] ext4_buffered_write_iter+0x3fc/0x528 [ 570.390937][T15864] ext4_file_write_iter+0x684/0x1618 [ 570.392291][T15864] do_iter_readv_writev+0x420/0x5f8 [ 570.393584][T15864] do_iter_write+0x1b8/0x66c [ 570.394757][T15864] do_pwritev+0x1ec/0x334 [ 570.395821][T15864] __arm64_sys_pwritev2+0xd4/0x108 [ 570.397198][T15864] invoke_syscall+0x98/0x2b8 [ 570.398379][T15864] el0_svc_common+0x138/0x258 [ 570.399573][T15864] do_el0_svc+0x58/0x14c [ 570.400662][T15864] el0_svc+0x7c/0x1f0 [ 570.401427][T15879] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop4 scanned by syz-executor297 (15879) [ 570.401629][T15864] el0t_64_sync_handler+0x84/0xe4 [ 570.405766][T15864] el0t_64_sync+0x1a0/0x1a4 [ 570.440923][T12207] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 10 scanned by udevd (12207) [ 570.449877][T15879] BTRFS info (device loop4): using crc32c (crc32c-generic) checksum algorithm [ 570.456491][T15879] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 570.462795][T15879] BTRFS warning (device loop4): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 570.480250][T15879] BTRFS warning (device loop4): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 570.501442][T15879] BTRFS info (device loop4): trying to use backup root at mount time [ 570.503571][T15879] BTRFS info (device loop4): use zlib compression, level 3 [ 570.505377][T15879] BTRFS info (device loop4): enabling ssd optimizations [ 570.507098][T15879] BTRFS info (device loop4): using spread ssd allocation scheme [ 570.508978][T15879] BTRFS info (device loop4): using free space tree [ 570.509198][T15862] FAULT_INJECTION: forcing a failure. [ 570.509198][T15862] name failslab, interval 1, probability 0, space 0, times 0 [ 570.510676][T15879] BTRFS info (device loop4): has skinny extents [ 570.523275][T15887] FAULT_INJECTION: forcing a failure. [ 570.523275][T15887] name failslab, interval 1, probability 0, space 0, times 0 [ 570.531254][T15862] CPU: 0 PID: 15862 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 570.533537][T15862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 570.536117][T15862] Call trace: [ 570.536952][T15862] dump_backtrace+0x0/0x530 [ 570.538143][T15862] show_stack+0x2c/0x3c [ 570.539236][T15862] dump_stack_lvl+0x108/0x170 [ 570.540411][T15862] dump_stack+0x1c/0x58 [ 570.541462][T15862] should_fail+0x3b8/0x514 [ 570.542621][T15862] __should_failslab+0xbc/0x110 [ 570.543911][T15862] should_failslab+0x10/0x28 [ 570.545103][T15862] slab_pre_alloc_hook+0x64/0xe8 [ 570.546393][T15862] kmem_cache_alloc+0x98/0x45c [ 570.547658][T15862] jbd2__journal_start+0x158/0x7b4 [ 570.548993][T15862] __ext4_journal_start_sb+0x358/0x70c [ 570.550493][T15862] ext4_dirty_inode+0x9c/0x100 [ 570.551716][T15862] __mark_inode_dirty+0x2b0/0x10f4 [ 570.553095][T15862] generic_write_end+0x15c/0x238 [ 570.554457][T15862] ext4_da_write_end+0x51c/0x930 [ 570.555732][T15862] generic_perform_write+0x354/0x520 [ 570.557167][T15862] ext4_buffered_write_iter+0x3fc/0x528 [ 570.558668][T15862] ext4_file_write_iter+0x684/0x1618 [ 570.560108][T15862] do_iter_readv_writev+0x420/0x5f8 [ 570.561448][T15862] do_iter_write+0x1b8/0x66c [ 570.562660][T15862] do_pwritev+0x1ec/0x334 [ 570.563813][T15862] __arm64_sys_pwritev2+0xd4/0x108 [ 570.565256][T15862] invoke_syscall+0x98/0x2b8 [ 570.566447][T15862] el0_svc_common+0x138/0x258 [ 570.567682][T15862] do_el0_svc+0x58/0x14c [ 570.568844][T15862] el0_svc+0x7c/0x1f0 [ 570.569879][T15862] el0t_64_sync_handler+0x84/0xe4 [ 570.571236][T15862] el0t_64_sync+0x1a0/0x1a4 [ 570.576360][T15887] CPU: 0 PID: 15887 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 570.578594][T15887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 570.581242][T15887] Call trace: [ 570.582073][T15887] dump_backtrace+0x0/0x530 [ 570.583255][T15887] show_stack+0x2c/0x3c [ 570.584413][T15887] dump_stack_lvl+0x108/0x170 [ 570.585680][T15887] dump_stack+0x1c/0x58 [ 570.586776][T15887] should_fail+0x3b8/0x514 [ 570.587868][T15887] __should_failslab+0xbc/0x110 [ 570.589155][T15887] should_failslab+0x10/0x28 [ 570.590384][T15887] slab_pre_alloc_hook+0x64/0xe8 [ 570.591687][T15887] kmem_cache_alloc+0x98/0x45c [ 570.592992][T15887] jbd2__journal_start+0x158/0x7b4 [ 570.594367][T15887] __ext4_journal_start_sb+0x358/0x70c [ 570.595817][T15887] ext4_dirty_inode+0x9c/0x100 [ 570.597031][T15887] __mark_inode_dirty+0x2b0/0x10f4 [ 570.598476][T15887] generic_write_end+0x15c/0x238 [ 570.599748][T15887] ext4_da_write_end+0x51c/0x930 [ 570.601040][T15887] generic_perform_write+0x354/0x520 [ 570.602384][T15887] ext4_buffered_write_iter+0x3fc/0x528 [ 570.603892][T15887] ext4_file_write_iter+0x684/0x1618 [ 570.605297][T15887] do_iter_readv_writev+0x420/0x5f8 [ 570.606702][T15887] do_iter_write+0x1b8/0x66c [ 570.607914][T15887] do_pwritev+0x1ec/0x334 [ 570.609040][T15887] __arm64_sys_pwritev2+0xd4/0x108 [ 570.610531][T15887] invoke_syscall+0x98/0x2b8 [ 570.611746][T15887] el0_svc_common+0x138/0x258 [ 570.612973][T15887] do_el0_svc+0x58/0x14c [ 570.614091][T15887] el0_svc+0x7c/0x1f0 [ 570.615134][T15887] el0t_64_sync_handler+0x84/0xe4 [ 570.616325][T15887] el0t_64_sync+0x1a0/0x1a4 [ 570.743501][T15909] loop1: detected capacity change from 0 to 32768 [ 570.747831][T15909] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15909) [ 570.839887][T15879] FAULT_INJECTION: forcing a failure. [ 570.839887][T15879] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 570.846274][T15879] CPU: 0 PID: 15879 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 570.848626][T15879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 570.851353][T15879] Call trace: [ 570.852244][T15879] dump_backtrace+0x0/0x530 [ 570.853454][T15879] show_stack+0x2c/0x3c [ 570.854569][T15879] dump_stack_lvl+0x108/0x170 [ 570.855811][T15879] dump_stack+0x1c/0x58 [ 570.856877][T15879] should_fail+0x3b8/0x514 [ 570.858046][T15879] should_fail_alloc_page+0x74/0xa8 [ 570.859434][T15879] prepare_alloc_pages+0x160/0x460 [ 570.860821][T15879] __alloc_pages+0x138/0x674 [ 570.862027][T15879] alloc_pages+0x368/0x5d4 [ 570.863176][T15879] __page_cache_alloc+0x78/0x524 [ 570.864500][T15879] pagecache_get_page+0xa1c/0xd94 [ 570.865726][T15879] prepare_pages+0x11c/0x344 [ 570.866988][T15879] btrfs_buffered_write+0x594/0xe6c [ 570.868344][T15879] btrfs_file_write_iter+0x1a8/0xb6c [ 570.869727][T15879] do_iter_readv_writev+0x420/0x5f8 [ 570.870994][T15879] do_iter_write+0x1b8/0x66c [ 570.871834][T15903] loop5: detected capacity change from 0 to 32768 [ 570.872148][T15879] do_pwritev+0x1ec/0x334 [ 570.874816][T15879] __arm64_sys_pwritev2+0xd4/0x108 [ 570.876146][T15879] invoke_syscall+0x98/0x2b8 [ 570.877319][T15879] el0_svc_common+0x138/0x258 [ 570.878446][T15879] do_el0_svc+0x58/0x14c [ 570.879605][T15879] el0_svc+0x7c/0x1f0 [ 570.880709][T15879] el0t_64_sync_handler+0x84/0xe4 [ 570.882005][T15879] el0t_64_sync+0x1a0/0x1a4 [ 570.900520][T15903] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15903) [ 571.066416][T15909] FAULT_INJECTION: forcing a failure. [ 571.066416][T15909] name failslab, interval 1, probability 0, space 0, times 0 [ 571.087622][T15909] CPU: 0 PID: 15909 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 571.089938][T15909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 571.092528][T15909] Call trace: [ 571.093485][T15909] dump_backtrace+0x0/0x530 [ 571.094613][T15909] show_stack+0x2c/0x3c [ 571.095697][T15909] dump_stack_lvl+0x108/0x170 [ 571.096901][T15909] dump_stack+0x1c/0x58 [ 571.097969][T15909] should_fail+0x3b8/0x514 [ 571.099139][T15909] __should_failslab+0xbc/0x110 [ 571.100387][T15909] should_failslab+0x10/0x28 [ 571.101563][T15909] slab_pre_alloc_hook+0x64/0xe8 [ 571.102812][T15909] kmem_cache_alloc+0x98/0x45c [ 571.103958][T15909] jbd2__journal_start+0x158/0x7b4 [ 571.105281][T15909] __ext4_journal_start_sb+0x358/0x70c [ 571.106735][T15909] ext4_dirty_inode+0x9c/0x100 [ 571.108037][T15909] __mark_inode_dirty+0x2b0/0x10f4 [ 571.109364][T15909] generic_write_end+0x15c/0x238 [ 571.110618][T15909] ext4_da_write_end+0x51c/0x930 [ 571.111934][T15909] generic_perform_write+0x354/0x520 [ 571.113317][T15909] ext4_buffered_write_iter+0x3fc/0x528 [ 571.114694][T15909] ext4_file_write_iter+0x684/0x1618 [ 571.115999][T15909] do_iter_readv_writev+0x420/0x5f8 [ 571.117327][T15909] do_iter_write+0x1b8/0x66c [ 571.118458][T15909] do_pwritev+0x1ec/0x334 [ 571.119514][T15909] __arm64_sys_pwritev2+0xd4/0x108 [ 571.120996][T15909] invoke_syscall+0x98/0x2b8 [ 571.122211][T15909] el0_svc_common+0x138/0x258 [ 571.123404][T15909] do_el0_svc+0x58/0x14c [ 571.124462][T15909] el0_svc+0x7c/0x1f0 [ 571.125497][T15909] el0t_64_sync_handler+0x84/0xe4 [ 571.126816][T15909] el0t_64_sync+0x1a0/0x1a4 [ 571.164955][T15903] FAULT_INJECTION: forcing a failure. [ 571.164955][T15903] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 571.168262][T15903] CPU: 1 PID: 15903 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 571.170335][T15903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 571.172730][T15903] Call trace: [ 571.173595][T15903] dump_backtrace+0x0/0x530 [ 571.174730][T15903] show_stack+0x2c/0x3c [ 571.175826][T15903] dump_stack_lvl+0x108/0x170 [ 571.177052][T15903] dump_stack+0x1c/0x58 [ 571.178052][T15903] should_fail+0x3b8/0x514 [ 571.179235][T15903] should_fail_usercopy+0x20/0x30 [ 571.180554][T15903] copy_page_from_iter_atomic+0x3c8/0xffc [ 571.182034][T15903] generic_perform_write+0x2d0/0x520 [ 571.183403][T15903] ext4_buffered_write_iter+0x3fc/0x528 [ 571.184841][T15903] ext4_file_write_iter+0x684/0x1618 [ 571.186162][T15903] do_iter_readv_writev+0x420/0x5f8 [ 571.187504][T15903] do_iter_write+0x1b8/0x66c [ 571.188546][T15903] do_pwritev+0x1ec/0x334 [ 571.189534][T15903] __arm64_sys_pwritev2+0xd4/0x108 [ 571.190823][T15903] invoke_syscall+0x98/0x2b8 [ 571.191910][T15903] el0_svc_common+0x138/0x258 [ 571.193052][T15903] do_el0_svc+0x58/0x14c [ 571.194179][T15903] el0_svc+0x7c/0x1f0 [ 571.195253][T15903] el0t_64_sync_handler+0x84/0xe4 [ 571.196482][T15903] el0t_64_sync+0x1a0/0x1a4 [ 571.573737][T15918] loop0: detected capacity change from 0 to 32768 [ 571.586061][T15918] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor297 (15918) [ 571.608297][T15918] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 571.616468][T15918] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 571.626357][T15918] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 571.635323][T15918] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 571.644233][T15918] BTRFS info (device loop0): trying to use backup root at mount time [ 571.652434][T15918] BTRFS info (device loop0): use zlib compression, level 3 [ 571.659216][T15918] BTRFS info (device loop0): enabling ssd optimizations [ 571.667012][T15918] BTRFS info (device loop0): using spread ssd allocation scheme [ 571.675283][T15918] BTRFS info (device loop0): using free space tree [ 571.681868][T15918] BTRFS info (device loop0): has skinny extents [ 571.709911][T15931] loop3: detected capacity change from 0 to 32768 [ 571.722259][T15933] loop2: detected capacity change from 0 to 32768 [ 571.727849][T15933] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor297 (15933) [ 571.734395][T15931] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15931) [ 571.887032][T15938] loop4: detected capacity change from 0 to 32768 [ 571.891301][T15938] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15938) [ 571.924500][T15918] FAULT_INJECTION: forcing a failure. [ 571.924500][T15918] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 571.936161][T15918] CPU: 1 PID: 15918 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 571.938479][T15918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 571.941033][T15918] Call trace: [ 571.941804][T15918] dump_backtrace+0x0/0x530 [ 571.942874][T15918] show_stack+0x2c/0x3c [ 571.943862][T15918] dump_stack_lvl+0x108/0x170 [ 571.944954][T15918] dump_stack+0x1c/0x58 [ 571.946073][T15918] should_fail+0x3b8/0x514 [ 571.947100][T15918] should_fail_alloc_page+0x74/0xa8 [ 571.948408][T15918] prepare_alloc_pages+0x160/0x460 [ 571.949580][T15918] __alloc_pages+0x138/0x674 [ 571.950705][T15918] alloc_pages+0x368/0x5d4 [ 571.951866][T15918] __page_cache_alloc+0x78/0x524 [ 571.953180][T15918] pagecache_get_page+0xa1c/0xd94 [ 571.954543][T15918] prepare_pages+0x11c/0x344 [ 571.955673][T15918] btrfs_buffered_write+0x594/0xe6c [ 571.956956][T15918] btrfs_file_write_iter+0x1a8/0xb6c [ 571.958244][T15918] do_iter_readv_writev+0x420/0x5f8 [ 571.959577][T15918] do_iter_write+0x1b8/0x66c [ 571.960703][T15918] do_pwritev+0x1ec/0x334 [ 571.961987][T15918] __arm64_sys_pwritev2+0xd4/0x108 [ 571.963206][T15918] invoke_syscall+0x98/0x2b8 [ 571.964400][T15918] el0_svc_common+0x138/0x258 [ 571.965622][T15918] do_el0_svc+0x58/0x14c [ 571.966750][T15918] el0_svc+0x7c/0x1f0 [ 571.967732][T15918] el0t_64_sync_handler+0x84/0xe4 [ 571.969083][T15918] el0t_64_sync+0x1a0/0x1a4 [ 571.972144][T15933] FAULT_INJECTION: forcing a failure. [ 571.972144][T15933] name failslab, interval 1, probability 0, space 0, times 0 [ 571.975407][T15933] CPU: 0 PID: 15933 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 571.977572][T15933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 571.980144][T15933] Call trace: [ 571.981010][T15933] dump_backtrace+0x0/0x530 [ 571.982241][T15933] show_stack+0x2c/0x3c [ 571.983300][T15933] dump_stack_lvl+0x108/0x170 [ 571.984500][T15933] dump_stack+0x1c/0x58 [ 571.985579][T15933] should_fail+0x3b8/0x514 [ 571.986744][T15933] __should_failslab+0xbc/0x110 [ 571.987994][T15933] should_failslab+0x10/0x28 [ 571.989149][T15933] slab_pre_alloc_hook+0x64/0xe8 [ 571.990453][T15933] kmem_cache_alloc+0x98/0x45c [ 571.991642][T15933] jbd2__journal_start+0x158/0x7b4 [ 571.992946][T15933] __ext4_journal_start_sb+0x358/0x70c [ 571.994376][T15933] ext4_dirty_inode+0x9c/0x100 [ 571.995564][T15933] __mark_inode_dirty+0x2b0/0x10f4 [ 571.996881][T15933] generic_write_end+0x15c/0x238 [ 571.998223][T15933] ext4_da_write_end+0x51c/0x930 [ 571.999482][T15933] generic_perform_write+0x354/0x520 [ 572.000784][T15933] ext4_buffered_write_iter+0x3fc/0x528 [ 572.002176][T15933] ext4_file_write_iter+0x684/0x1618 [ 572.003498][T15933] do_iter_readv_writev+0x420/0x5f8 [ 572.004806][T15933] do_iter_write+0x1b8/0x66c [ 572.006011][T15933] do_pwritev+0x1ec/0x334 [ 572.007091][T15933] __arm64_sys_pwritev2+0xd4/0x108 [ 572.008350][T15933] invoke_syscall+0x98/0x2b8 [ 572.009452][T15933] el0_svc_common+0x138/0x258 [ 572.010625][T15933] do_el0_svc+0x58/0x14c [ 572.011747][T15933] el0_svc+0x7c/0x1f0 [ 572.012702][T15933] el0t_64_sync_handler+0x84/0xe4 [ 572.013973][T15933] el0t_64_sync+0x1a0/0x1a4 [ 572.130991][T15931] FAULT_INJECTION: forcing a failure. [ 572.130991][T15931] name failslab, interval 1, probability 0, space 0, times 0 [ 572.157519][T15931] CPU: 1 PID: 15931 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 572.159790][T15931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 572.162374][T15931] Call trace: [ 572.163206][T15931] dump_backtrace+0x0/0x530 [ 572.164354][T15931] show_stack+0x2c/0x3c [ 572.165308][T15931] dump_stack_lvl+0x108/0x170 [ 572.166423][T15931] dump_stack+0x1c/0x58 [ 572.167435][T15931] should_fail+0x3b8/0x514 [ 572.168629][T15931] __should_failslab+0xbc/0x110 [ 572.169921][T15931] should_failslab+0x10/0x28 [ 572.171132][T15931] slab_pre_alloc_hook+0x64/0xe8 [ 572.172363][T15931] kmem_cache_alloc+0x98/0x45c [ 572.173523][T15931] jbd2__journal_start+0x158/0x7b4 [ 572.174724][T15931] __ext4_journal_start_sb+0x358/0x70c [ 572.176135][T15931] ext4_dirty_inode+0x9c/0x100 [ 572.177380][T15931] __mark_inode_dirty+0x2b0/0x10f4 [ 572.178691][T15931] generic_write_end+0x15c/0x238 [ 572.180007][T15931] ext4_da_write_end+0x51c/0x930 [ 572.181212][T15931] generic_perform_write+0x354/0x520 [ 572.182506][T15931] ext4_buffered_write_iter+0x3fc/0x528 [ 572.183840][T15931] ext4_file_write_iter+0x684/0x1618 [ 572.185287][T15931] do_iter_readv_writev+0x420/0x5f8 [ 572.186527][T15931] do_iter_write+0x1b8/0x66c [ 572.187675][T15931] do_pwritev+0x1ec/0x334 [ 572.188748][T15931] __arm64_sys_pwritev2+0xd4/0x108 [ 572.189998][T15931] invoke_syscall+0x98/0x2b8 [ 572.191270][T15931] el0_svc_common+0x138/0x258 [ 572.192443][T15931] do_el0_svc+0x58/0x14c [ 572.193495][T15931] el0_svc+0x7c/0x1f0 [ 572.194555][T15931] el0t_64_sync_handler+0x84/0xe4 [ 572.195898][T15931] el0t_64_sync+0x1a0/0x1a4 [ 572.251255][T15935] loop5: detected capacity change from 0 to 32768 [ 572.293667][T15935] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor297 (15935) [ 572.313561][T12147] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 10 /dev/loop0 scanned by udevd (12147) [ 572.356878][T15938] FAULT_INJECTION: forcing a failure. [ 572.356878][T15938] name failslab, interval 1, probability 0, space 0, times 0 [ 572.360373][T15939] loop1: detected capacity change from 0 to 32768 [ 572.379620][T15938] CPU: 1 PID: 15938 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 572.381961][T15938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 572.384560][T15938] Call trace: [ 572.385424][T15938] dump_backtrace+0x0/0x530 [ 572.386602][T15938] show_stack+0x2c/0x3c [ 572.387588][T15938] dump_stack_lvl+0x108/0x170 [ 572.388810][T15938] dump_stack+0x1c/0x58 [ 572.389791][T15938] should_fail+0x3b8/0x514 [ 572.390865][T15938] __should_failslab+0xbc/0x110 [ 572.392093][T15938] should_failslab+0x10/0x28 [ 572.393300][T15938] slab_pre_alloc_hook+0x64/0xe8 [ 572.394473][T15938] kmem_cache_alloc+0x98/0x45c [ 572.395736][T15938] jbd2__journal_start+0x158/0x7b4 [ 572.397071][T15938] __ext4_journal_start_sb+0x358/0x70c [ 572.398459][T15938] ext4_dirty_inode+0x9c/0x100 [ 572.399700][T15938] __mark_inode_dirty+0x2b0/0x10f4 [ 572.401015][T15938] generic_write_end+0x15c/0x238 [ 572.402276][T15938] ext4_da_write_end+0x51c/0x930 [ 572.403573][T15938] generic_perform_write+0x354/0x520 [ 572.404906][T15938] ext4_buffered_write_iter+0x3fc/0x528 [ 572.406377][T15938] ext4_file_write_iter+0x684/0x1618 [ 572.407704][T15938] do_iter_readv_writev+0x420/0x5f8 [ 572.408956][T15938] do_iter_write+0x1b8/0x66c [ 572.410168][T15938] do_pwritev+0x1ec/0x334 [ 572.411243][T15938] __arm64_sys_pwritev2+0xd4/0x108 [ 572.412621][T15938] invoke_syscall+0x98/0x2b8 [ 572.413676][T15938] el0_svc_common+0x138/0x258 [ 572.414857][T15938] do_el0_svc+0x58/0x14c [ 572.415986][T15938] el0_svc+0x7c/0x1f0 [ 572.416968][T15938] el0t_64_sync_handler+0x84/0xe4 [ 572.418249][T15938] el0t_64_sync+0x1a0/0x1a4 [ 572.567038][T15935] FAULT_INJECTION: forcing a failure. [ 572.567038][T15935] name failslab, interval 1, probability 0, space 0, times 0 [ 572.582050][T15935] CPU: 1 PID: 15935 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 572.584232][T15935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 572.586844][T15935] Call trace: [ 572.587703][T15935] dump_backtrace+0x0/0x530 [ 572.588871][T15935] show_stack+0x2c/0x3c [ 572.589753][T15935] dump_stack_lvl+0x108/0x170 [ 572.590929][T15935] dump_stack+0x1c/0x58 [ 572.591994][T15935] should_fail+0x3b8/0x514 [ 572.593119][T15935] __should_failslab+0xbc/0x110 [ 572.594403][T15935] should_failslab+0x10/0x28 [ 572.595666][T15935] slab_pre_alloc_hook+0x64/0xe8 [ 572.596933][T15935] kmem_cache_alloc+0x98/0x45c [ 572.598156][T15935] jbd2__journal_start+0x158/0x7b4 [ 572.599428][T15935] __ext4_journal_start_sb+0x358/0x70c [ 572.600846][T15935] ext4_dirty_inode+0x9c/0x100 [ 572.601946][T15935] __mark_inode_dirty+0x2b0/0x10f4 [ 572.603250][T15935] generic_write_end+0x15c/0x238 [ 572.604542][T15935] ext4_da_write_end+0x51c/0x930 [ 572.605898][T15935] generic_perform_write+0x354/0x520 [ 572.607168][T15935] ext4_buffered_write_iter+0x3fc/0x528 [ 572.608425][T15935] ext4_file_write_iter+0x684/0x1618 [ 572.609737][T15935] do_iter_readv_writev+0x420/0x5f8 [ 572.611099][T15935] do_iter_write+0x1b8/0x66c [ 572.612347][T15935] do_pwritev+0x1ec/0x334 [ 572.613430][T15935] __arm64_sys_pwritev2+0xd4/0x108 [ 572.614692][T15935] invoke_syscall+0x98/0x2b8 [ 572.615872][T15935] el0_svc_common+0x138/0x258 [ 572.617065][T15935] do_el0_svc+0x58/0x14c [ 572.618091][T15935] el0_svc+0x7c/0x1f0 [ 572.619153][T15935] el0t_64_sync_handler+0x84/0xe4 [ 572.620472][T15935] el0t_64_sync+0x1a0/0x1a4 [ 572.717174][T15939] FAULT_INJECTION: forcing a failure. [ 572.717174][T15939] name failslab, interval 1, probability 0, space 0, times 0 [ 572.736641][T15939] CPU: 0 PID: 15939 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 572.738833][T15939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 572.741336][T15939] Call trace: [ 572.742107][T15939] dump_backtrace+0x0/0x530 [ 572.743243][T15939] show_stack+0x2c/0x3c [ 572.744353][T15939] dump_stack_lvl+0x108/0x170 [ 572.745549][T15939] dump_stack+0x1c/0x58 [ 572.746574][T15939] should_fail+0x3b8/0x514 [ 572.747699][T15939] __should_failslab+0xbc/0x110 [ 572.748889][T15939] should_failslab+0x10/0x28 [ 572.750001][T15939] slab_pre_alloc_hook+0x64/0xe8 [ 572.751411][T15939] kmem_cache_alloc+0x98/0x45c [ 572.752603][T15939] jbd2__journal_start+0x158/0x7b4 [ 572.753883][T15939] __ext4_journal_start_sb+0x358/0x70c [ 572.755177][T15939] ext4_dirty_inode+0x9c/0x100 [ 572.756443][T15939] __mark_inode_dirty+0x2b0/0x10f4 [ 572.757734][T15939] generic_write_end+0x15c/0x238 [ 572.759026][T15939] ext4_da_write_end+0x51c/0x930 [ 572.760299][T15939] generic_perform_write+0x354/0x520 [ 572.761654][T15939] ext4_buffered_write_iter+0x3fc/0x528 [ 572.763014][T15939] ext4_file_write_iter+0x684/0x1618 [ 572.764442][T15939] do_iter_readv_writev+0x420/0x5f8 [ 572.765721][T15939] do_iter_write+0x1b8/0x66c [ 572.766801][T15939] do_pwritev+0x1ec/0x334 [ 572.767899][T15939] __arm64_sys_pwritev2+0xd4/0x108 [ 572.769185][T15939] invoke_syscall+0x98/0x2b8 [ 572.770300][T15939] el0_svc_common+0x138/0x258 [ 572.771502][T15939] do_el0_svc+0x58/0x14c [ 572.772559][T15939] el0_svc+0x7c/0x1f0 [ 572.773591][T15939] el0t_64_sync_handler+0x84/0xe4 [ 572.774922][T15939] el0t_64_sync+0x1a0/0x1a4 [ 572.848268][T15959] loop2: detected capacity change from 0 to 32768 [ 573.134152][T15959] FAULT_INJECTION: forcing a failure. [ 573.134152][T15959] name failslab, interval 1, probability 0, space 0, times 0 [ 573.150015][T15959] CPU: 0 PID: 15959 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 573.152221][T15959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 573.154603][T15959] Call trace: [ 573.155424][T15959] dump_backtrace+0x0/0x530 [ 573.156500][T15959] show_stack+0x2c/0x3c [ 573.157530][T15959] dump_stack_lvl+0x108/0x170 [ 573.158677][T15959] dump_stack+0x1c/0x58 [ 573.159625][T15959] should_fail+0x3b8/0x514 [ 573.160693][T15959] __should_failslab+0xbc/0x110 [ 573.161914][T15959] should_failslab+0x10/0x28 [ 573.162972][T15959] slab_pre_alloc_hook+0x64/0xe8 [ 573.164174][T15959] kmem_cache_alloc+0x98/0x45c [ 573.165312][T15959] jbd2__journal_start+0x158/0x7b4 [ 573.166501][T15959] __ext4_journal_start_sb+0x358/0x70c [ 573.167824][T15959] ext4_dirty_inode+0x9c/0x100 [ 573.169042][T15959] __mark_inode_dirty+0x2b0/0x10f4 [ 573.170301][T15959] generic_write_end+0x15c/0x238 [ 573.171532][T15959] ext4_da_write_end+0x51c/0x930 [ 573.171946][T15961] loop3: detected capacity change from 0 to 32768 [ 573.172770][T15959] generic_perform_write+0x354/0x520 [ 573.172789][T15959] ext4_buffered_write_iter+0x3fc/0x528 [ 573.172800][T15959] ext4_file_write_iter+0x684/0x1618 [ 573.178255][T15959] do_iter_readv_writev+0x420/0x5f8 [ 573.179579][T15959] do_iter_write+0x1b8/0x66c [ 573.180767][T15959] do_pwritev+0x1ec/0x334 [ 573.181818][T15959] __arm64_sys_pwritev2+0xd4/0x108 [ 573.183034][T15959] invoke_syscall+0x98/0x2b8 [ 573.184114][T15959] el0_svc_common+0x138/0x258 [ 573.185190][T15959] do_el0_svc+0x58/0x14c [ 573.186318][T15959] el0_svc+0x7c/0x1f0 [ 573.187259][T15959] el0t_64_sync_handler+0x84/0xe4 [ 573.188594][T15959] el0t_64_sync+0x1a0/0x1a4 [ 573.415790][T15963] FAULT_INJECTION: forcing a failure. [ 573.415790][T15963] name failslab, interval 1, probability 0, space 0, times 0 [ 573.431934][T15963] CPU: 0 PID: 15963 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 573.434097][T15963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 573.436843][T15963] Call trace: [ 573.437742][T15963] dump_backtrace+0x0/0x530 [ 573.438894][T15963] show_stack+0x2c/0x3c [ 573.440009][T15963] dump_stack_lvl+0x108/0x170 [ 573.441220][T15963] dump_stack+0x1c/0x58 [ 573.442344][T15963] should_fail+0x3b8/0x514 [ 573.443470][T15963] __should_failslab+0xbc/0x110 [ 573.444504][T15963] should_failslab+0x10/0x28 [ 573.445669][T15963] slab_pre_alloc_hook+0x64/0xe8 [ 573.446998][T15963] kmem_cache_alloc+0x98/0x45c [ 573.448232][T15963] jbd2__journal_start+0x158/0x7b4 [ 573.449472][T15963] __ext4_journal_start_sb+0x358/0x70c [ 573.450858][T15963] ext4_dirty_inode+0x9c/0x100 [ 573.452043][T15963] __mark_inode_dirty+0x2b0/0x10f4 [ 573.453407][T15963] generic_write_end+0x15c/0x238 [ 573.454671][T15963] ext4_da_write_end+0x51c/0x930 [ 573.455926][T15963] generic_perform_write+0x354/0x520 [ 573.457355][T15963] ext4_buffered_write_iter+0x3fc/0x528 [ 573.458793][T15963] ext4_file_write_iter+0x684/0x1618 [ 573.460141][T15963] do_iter_readv_writev+0x420/0x5f8 [ 573.461466][T15963] do_iter_write+0x1b8/0x66c [ 573.462667][T15963] do_pwritev+0x1ec/0x334 [ 573.463789][T15963] __arm64_sys_pwritev2+0xd4/0x108 [ 573.465172][T15963] invoke_syscall+0x98/0x2b8 [ 573.466378][T15963] el0_svc_common+0x138/0x258 [ 573.467573][T15963] do_el0_svc+0x58/0x14c [ 573.468738][T15963] el0_svc+0x7c/0x1f0 [ 573.469690][T15963] el0t_64_sync_handler+0x84/0xe4 [ 573.470598][T15961] FAULT_INJECTION: forcing a failure. [ 573.470598][T15961] name failslab, interval 1, probability 0, space 0, times 0 [ 573.471009][T15963] el0t_64_sync+0x1a0/0x1a4 [ 573.506163][T15961] CPU: 1 PID: 15961 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 573.508330][T15961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 573.510848][T15961] Call trace: [ 573.511649][T15961] dump_backtrace+0x0/0x530 [ 573.512737][T15961] show_stack+0x2c/0x3c [ 573.513733][T15961] dump_stack_lvl+0x108/0x170 [ 573.514904][T15961] dump_stack+0x1c/0x58 [ 573.515944][T15961] should_fail+0x3b8/0x514 [ 573.516997][T15961] __should_failslab+0xbc/0x110 [ 573.518236][T15961] should_failslab+0x10/0x28 [ 573.519367][T15961] slab_pre_alloc_hook+0x64/0xe8 [ 573.520537][T15961] kmem_cache_alloc+0x98/0x45c [ 573.521703][T15961] jbd2__journal_start+0x158/0x7b4 [ 573.522877][T15961] __ext4_journal_start_sb+0x358/0x70c [ 573.524269][T15961] ext4_dirty_inode+0x9c/0x100 [ 573.525411][T15961] __mark_inode_dirty+0x2b0/0x10f4 [ 573.526745][T15961] generic_write_end+0x15c/0x238 [ 573.527914][T15961] ext4_da_write_end+0x51c/0x930 [ 573.529123][T15961] generic_perform_write+0x354/0x520 [ 573.530538][T15961] ext4_buffered_write_iter+0x3fc/0x528 [ 573.531892][T15961] ext4_file_write_iter+0x684/0x1618 [ 573.533271][T15961] do_iter_readv_writev+0x420/0x5f8 [ 573.534609][T15961] do_iter_write+0x1b8/0x66c [ 573.535800][T15961] do_pwritev+0x1ec/0x334 [ 573.536942][T15961] __arm64_sys_pwritev2+0xd4/0x108 [ 573.538209][T15961] invoke_syscall+0x98/0x2b8 [ 573.539412][T15961] el0_svc_common+0x138/0x258 [ 573.540633][T15961] do_el0_svc+0x58/0x14c [ 573.541757][T15961] el0_svc+0x7c/0x1f0 [ 573.542777][T15961] el0t_64_sync_handler+0x84/0xe4 [ 573.544096][T15961] el0t_64_sync+0x1a0/0x1a4 [ 573.558198][T15966] loop4: detected capacity change from 0 to 32768 [ 573.610901][T15968] loop5: detected capacity change from 0 to 32768 [ 573.871010][T15966] FAULT_INJECTION: forcing a failure. [ 573.871010][T15966] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 573.874598][T15966] CPU: 1 PID: 15966 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 573.876729][T15966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 573.879333][T15966] Call trace: [ 573.880112][T15966] dump_backtrace+0x0/0x530 [ 573.881189][T15966] show_stack+0x2c/0x3c [ 573.882165][T15966] dump_stack_lvl+0x108/0x170 [ 573.883405][T15966] dump_stack+0x1c/0x58 [ 573.884446][T15966] should_fail+0x3b8/0x514 [ 573.885511][T15966] should_fail_usercopy+0x20/0x30 [ 573.886711][T15966] copy_page_from_iter_atomic+0x3c8/0xffc [ 573.888228][T15966] generic_perform_write+0x2d0/0x520 [ 573.889465][T15966] ext4_buffered_write_iter+0x3fc/0x528 [ 573.890854][T15966] ext4_file_write_iter+0x684/0x1618 [ 573.892130][T15966] do_iter_readv_writev+0x420/0x5f8 [ 573.893452][T15966] do_iter_write+0x1b8/0x66c [ 573.894528][T15966] do_pwritev+0x1ec/0x334 [ 573.895608][T15966] __arm64_sys_pwritev2+0xd4/0x108 [ 573.896824][T15966] invoke_syscall+0x98/0x2b8 [ 573.897843][T15966] el0_svc_common+0x138/0x258 [ 573.898948][T15966] do_el0_svc+0x58/0x14c [ 573.900024][T15966] el0_svc+0x7c/0x1f0 [ 573.901010][T15966] el0t_64_sync_handler+0x84/0xe4 [ 573.902268][T15966] el0t_64_sync+0x1a0/0x1a4 [ 573.916532][T15968] FAULT_INJECTION: forcing a failure. [ 573.916532][T15968] name failslab, interval 1, probability 0, space 0, times 0 [ 573.932867][T15968] CPU: 0 PID: 15968 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 573.935027][T15968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 573.937569][T15968] Call trace: [ 573.938372][T15968] dump_backtrace+0x0/0x530 [ 573.939505][T15968] show_stack+0x2c/0x3c [ 573.940541][T15968] dump_stack_lvl+0x108/0x170 [ 573.941632][T15968] dump_stack+0x1c/0x58 [ 573.942654][T15968] should_fail+0x3b8/0x514 [ 573.943785][T15968] __should_failslab+0xbc/0x110 [ 573.945057][T15968] should_failslab+0x10/0x28 [ 573.946200][T15968] slab_pre_alloc_hook+0x64/0xe8 [ 573.947558][T15968] kmem_cache_alloc+0x98/0x45c [ 573.948938][T15968] jbd2__journal_start+0x158/0x7b4 [ 573.950202][T15968] __ext4_journal_start_sb+0x358/0x70c [ 573.951537][T15968] ext4_dirty_inode+0x9c/0x100 [ 573.952779][T15968] __mark_inode_dirty+0x2b0/0x10f4 [ 573.954123][T15968] generic_write_end+0x15c/0x238 [ 573.955439][T15968] ext4_da_write_end+0x51c/0x930 [ 573.956802][T15968] generic_perform_write+0x354/0x520 [ 573.958187][T15968] ext4_buffered_write_iter+0x3fc/0x528 [ 573.959561][T15968] ext4_file_write_iter+0x684/0x1618 [ 573.960961][T15968] do_iter_readv_writev+0x420/0x5f8 [ 573.962250][T15968] do_iter_write+0x1b8/0x66c [ 573.963445][T15968] do_pwritev+0x1ec/0x334 [ 573.964472][T15968] __arm64_sys_pwritev2+0xd4/0x108 [ 573.965668][T15968] invoke_syscall+0x98/0x2b8 [ 573.966791][T15968] el0_svc_common+0x138/0x258 [ 573.967977][T15968] do_el0_svc+0x58/0x14c [ 573.969061][T15968] el0_svc+0x7c/0x1f0 [ 573.970021][T15968] el0t_64_sync_handler+0x84/0xe4 [ 573.971351][T15968] el0t_64_sync+0x1a0/0x1a4 [ 574.043649][T15970] loop1: detected capacity change from 0 to 32768 [ 574.323587][T15972] loop2: detected capacity change from 0 to 32768 [ 574.327511][T15974] loop0: detected capacity change from 0 to 32768 [ 574.362365][T15970] FAULT_INJECTION: forcing a failure. [ 574.362365][T15970] name failslab, interval 1, probability 0, space 0, times 0 [ 574.370428][T15970] CPU: 0 PID: 15970 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 574.371672][T15974] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 574.372547][T15970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 574.372560][T15970] Call trace: [ 574.372564][T15970] dump_backtrace+0x0/0x530 [ 574.379668][T15970] show_stack+0x2c/0x3c [ 574.380671][T15970] dump_stack_lvl+0x108/0x170 [ 574.381915][T15970] dump_stack+0x1c/0x58 [ 574.382015][T15976] loop3: detected capacity change from 0 to 32768 [ 574.382907][T15970] should_fail+0x3b8/0x514 [ 574.385752][T15970] __should_failslab+0xbc/0x110 [ 574.387017][T15970] should_failslab+0x10/0x28 [ 574.388176][T15970] slab_pre_alloc_hook+0x64/0xe8 [ 574.389349][T15974] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 574.389401][T15970] kmem_cache_alloc+0x98/0x45c [ 574.393278][T15970] jbd2__journal_start+0x158/0x7b4 [ 574.394557][T15970] __ext4_journal_start_sb+0x358/0x70c [ 574.395957][T15970] ext4_dirty_inode+0x9c/0x100 [ 574.397173][T15970] __mark_inode_dirty+0x2b0/0x10f4 [ 574.398513][T15970] generic_write_end+0x15c/0x238 [ 574.399740][T15970] ext4_da_write_end+0x51c/0x930 [ 574.400950][T15970] generic_perform_write+0x354/0x520 [ 574.402361][T15970] ext4_buffered_write_iter+0x3fc/0x528 [ 574.403841][T15970] ext4_file_write_iter+0x684/0x1618 [ 574.404333][T15976] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor297 (15976) [ 574.405203][T15970] do_iter_readv_writev+0x420/0x5f8 [ 574.405220][T15970] do_iter_write+0x1b8/0x66c [ 574.405230][T15970] do_pwritev+0x1ec/0x334 [ 574.411309][T15970] __arm64_sys_pwritev2+0xd4/0x108 [ 574.412660][T15970] invoke_syscall+0x98/0x2b8 [ 574.413767][T15970] el0_svc_common+0x138/0x258 [ 574.414907][T15970] do_el0_svc+0x58/0x14c [ 574.415929][T15970] el0_svc+0x7c/0x1f0 [ 574.416935][T15970] el0t_64_sync_handler+0x84/0xe4 [ 574.418252][T15970] el0t_64_sync+0x1a0/0x1a4 [ 574.419791][T15974] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 574.424769][T15974] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 574.434248][T15974] BTRFS info (device loop0): trying to use backup root at mount time [ 574.459940][T15974] BTRFS info (device loop0): use zlib compression, level 3 [ 574.474871][T15974] BTRFS info (device loop0): enabling ssd optimizations [ 574.476537][T15974] BTRFS info (device loop0): using spread ssd allocation scheme [ 574.478448][T15974] BTRFS info (device loop0): using free space tree [ 574.499423][T15974] BTRFS info (device loop0): has skinny extents [ 574.643216][T15972] FAULT_INJECTION: forcing a failure. [ 574.643216][T15972] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 574.662668][T15972] CPU: 0 PID: 15972 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 574.664995][T15972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 574.667498][T15972] Call trace: [ 574.668349][T15972] dump_backtrace+0x0/0x530 [ 574.669424][T15972] show_stack+0x2c/0x3c [ 574.670567][T15972] dump_stack_lvl+0x108/0x170 [ 574.671709][T15972] dump_stack+0x1c/0x58 [ 574.672833][T15972] should_fail+0x3b8/0x514 [ 574.673895][T15972] should_fail_alloc_page+0x74/0xa8 [ 574.675188][T15972] prepare_alloc_pages+0x160/0x460 [ 574.676542][T15972] __alloc_pages+0x138/0x674 [ 574.677683][T15972] alloc_pages+0x368/0x5d4 [ 574.678760][T15972] __page_cache_alloc+0x78/0x524 [ 574.680030][T15972] pagecache_get_page+0xa1c/0xd94 [ 574.681209][T15972] grab_cache_page_write_begin+0x68/0xb4 [ 574.682620][T15972] ext4_da_write_begin+0x4d8/0x8e8 [ 574.683926][T15972] generic_perform_write+0x24c/0x520 [ 574.685290][T15972] ext4_buffered_write_iter+0x3fc/0x528 [ 574.686657][T15972] ext4_file_write_iter+0x684/0x1618 [ 574.687996][T15972] do_iter_readv_writev+0x420/0x5f8 [ 574.689338][T15972] do_iter_write+0x1b8/0x66c [ 574.690521][T15972] do_pwritev+0x1ec/0x334 [ 574.691507][T15972] __arm64_sys_pwritev2+0xd4/0x108 [ 574.692841][T15972] invoke_syscall+0x98/0x2b8 [ 574.693938][T15972] el0_svc_common+0x138/0x258 [ 574.695039][T15972] do_el0_svc+0x58/0x14c [ 574.696141][T15978] loop4: detected capacity change from 0 to 32768 [ 574.696147][T15972] el0_svc+0x7c/0x1f0 [ 574.696163][T15972] el0t_64_sync_handler+0x84/0xe4 [ 574.700119][T15972] el0t_64_sync+0x1a0/0x1a4 [ 574.708922][T15978] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor297 (15978) [ 574.810912][T15974] FAULT_INJECTION: forcing a failure. [ 574.810912][T15974] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 574.834484][T15974] CPU: 0 PID: 15974 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 574.836665][T15974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 574.839202][T15974] Call trace: [ 574.840033][T15974] dump_backtrace+0x0/0x530 [ 574.841170][T15974] show_stack+0x2c/0x3c [ 574.842167][T15974] dump_stack_lvl+0x108/0x170 [ 574.843423][T15974] dump_stack+0x1c/0x58 [ 574.844441][T15974] should_fail+0x3b8/0x514 [ 574.845564][T15974] should_fail_alloc_page+0x74/0xa8 [ 574.846819][T15974] prepare_alloc_pages+0x160/0x460 [ 574.848150][T15974] __alloc_pages+0x138/0x674 [ 574.849339][T15974] alloc_pages+0x368/0x5d4 [ 574.850442][T15974] __page_cache_alloc+0x78/0x524 [ 574.851700][T15974] pagecache_get_page+0xa1c/0xd94 [ 574.852942][T15974] prepare_pages+0x11c/0x344 [ 574.853962][T15974] btrfs_buffered_write+0x594/0xe6c [ 574.855299][T15974] btrfs_file_write_iter+0x1a8/0xb6c [ 574.856544][T15974] do_iter_readv_writev+0x420/0x5f8 [ 574.857874][T15974] do_iter_write+0x1b8/0x66c [ 574.859084][T15974] do_pwritev+0x1ec/0x334 [ 574.860160][T15974] __arm64_sys_pwritev2+0xd4/0x108 [ 574.861523][T15974] invoke_syscall+0x98/0x2b8 [ 574.862693][T15974] el0_svc_common+0x138/0x258 [ 574.863858][T15974] do_el0_svc+0x58/0x14c [ 574.864878][T15974] el0_svc+0x7c/0x1f0 [ 574.865831][T15974] el0t_64_sync_handler+0x84/0xe4 [ 574.867183][T15974] el0t_64_sync+0x1a0/0x1a4 [ 574.876722][T15976] FAULT_INJECTION: forcing a failure. [ 574.876722][T15976] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 574.880163][T15976] CPU: 0 PID: 15976 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 574.882451][T15976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 574.885045][T15976] Call trace: [ 574.885853][T15976] dump_backtrace+0x0/0x530 [ 574.887004][T15976] show_stack+0x2c/0x3c [ 574.888053][T15976] dump_stack_lvl+0x108/0x170 [ 574.889231][T15976] dump_stack+0x1c/0x58 [ 574.890354][T15976] should_fail+0x3b8/0x514 [ 574.891506][T15976] should_fail_usercopy+0x20/0x30 [ 574.892843][T15976] copy_page_from_iter_atomic+0x3c8/0xffc [ 574.894401][T15976] generic_perform_write+0x2d0/0x520 [ 574.895823][T15976] ext4_buffered_write_iter+0x3fc/0x528 [ 574.897334][T15976] ext4_file_write_iter+0x684/0x1618 [ 574.898599][T15976] do_iter_readv_writev+0x420/0x5f8 [ 574.899912][T15976] do_iter_write+0x1b8/0x66c [ 574.901118][T15976] do_pwritev+0x1ec/0x334 [ 574.902245][T15976] __arm64_sys_pwritev2+0xd4/0x108 [ 574.903572][T15976] invoke_syscall+0x98/0x2b8 [ 574.904758][T15976] el0_svc_common+0x138/0x258 [ 574.905981][T15976] do_el0_svc+0x58/0x14c [ 574.907083][T15976] el0_svc+0x7c/0x1f0 [ 574.908101][T15976] el0t_64_sync_handler+0x84/0xe4 [ 574.909378][T15976] el0t_64_sync+0x1a0/0x1a4 [ 574.973099][T15994] loop1: detected capacity change from 0 to 32768 [ 574.979650][T15994] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (15994) [ 575.082208][T15978] FAULT_INJECTION: forcing a failure. [ 575.082208][T15978] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 575.101813][T15978] CPU: 0 PID: 15978 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 575.103987][T15978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 575.106439][T15978] Call trace: [ 575.107227][T15978] dump_backtrace+0x0/0x530 [ 575.108339][T15978] show_stack+0x2c/0x3c [ 575.109403][T15978] dump_stack_lvl+0x108/0x170 [ 575.110480][T15978] dump_stack+0x1c/0x58 [ 575.111510][T15978] should_fail+0x3b8/0x514 [ 575.112625][T15978] should_fail_alloc_page+0x74/0xa8 [ 575.113907][T15978] prepare_alloc_pages+0x160/0x460 [ 575.115094][T15978] __alloc_pages+0x138/0x674 [ 575.116258][T15978] alloc_pages+0x368/0x5d4 [ 575.117368][T15978] __page_cache_alloc+0x78/0x524 [ 575.118607][T15978] pagecache_get_page+0xa1c/0xd94 [ 575.119878][T15978] grab_cache_page_write_begin+0x68/0xb4 [ 575.121313][T15978] ext4_da_write_begin+0x4d8/0x8e8 [ 575.122588][T15978] generic_perform_write+0x24c/0x520 [ 575.123835][T15978] ext4_buffered_write_iter+0x3fc/0x528 [ 575.125222][T15978] ext4_file_write_iter+0x684/0x1618 [ 575.126621][T15978] do_iter_readv_writev+0x420/0x5f8 [ 575.127895][T15978] do_iter_write+0x1b8/0x66c [ 575.129105][T15978] do_pwritev+0x1ec/0x334 [ 575.130224][T15978] __arm64_sys_pwritev2+0xd4/0x108 [ 575.131559][T15978] invoke_syscall+0x98/0x2b8 [ 575.132736][T15978] el0_svc_common+0x138/0x258 [ 575.133983][T15978] do_el0_svc+0x58/0x14c [ 575.135050][T15978] el0_svc+0x7c/0x1f0 [ 575.136047][T15978] el0t_64_sync_handler+0x84/0xe4 [ 575.137378][T15978] el0t_64_sync+0x1a0/0x1a4 [ 575.199926][T15980] loop5: detected capacity change from 0 to 32768 [ 575.215906][T15980] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop5 scanned by syz-executor297 (15980) [ 575.236400][T15980] BTRFS info (device loop5): using crc32c (crc32c-generic) checksum algorithm [ 575.245789][T15980] BTRFS warning (device loop5): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 575.259832][T15980] BTRFS warning (device loop5): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 575.270895][T15980] BTRFS warning (device loop5): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 575.280721][T15980] BTRFS info (device loop5): trying to use backup root at mount time [ 575.284167][T15994] FAULT_INJECTION: forcing a failure. [ 575.284167][T15994] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 575.287691][T15994] CPU: 1 PID: 15994 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 575.288840][T15980] BTRFS info (device loop5): use zlib compression, level 3 [ 575.289777][T15994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 575.294051][T15994] Call trace: [ 575.294825][T15994] dump_backtrace+0x0/0x530 [ 575.296063][T15994] show_stack+0x2c/0x3c [ 575.297108][T15994] dump_stack_lvl+0x108/0x170 [ 575.298240][T15994] dump_stack+0x1c/0x58 [ 575.299280][T15994] should_fail+0x3b8/0x514 [ 575.300583][T15994] should_fail_usercopy+0x20/0x30 [ 575.301871][T15994] copy_page_from_iter_atomic+0x3c8/0xffc [ 575.303346][T15994] generic_perform_write+0x2d0/0x520 [ 575.303440][T15980] BTRFS info (device loop5): enabling ssd optimizations [ 575.304647][T15994] ext4_buffered_write_iter+0x3fc/0x528 [ 575.304666][T15994] ext4_file_write_iter+0x684/0x1618 [ 575.304676][T15994] do_iter_readv_writev+0x420/0x5f8 [ 575.304687][T15994] do_iter_write+0x1b8/0x66c [ 575.311743][T15994] do_pwritev+0x1ec/0x334 [ 575.312860][T15994] __arm64_sys_pwritev2+0xd4/0x108 [ 575.314113][T15994] invoke_syscall+0x98/0x2b8 [ 575.315305][T15994] el0_svc_common+0x138/0x258 [ 575.316538][T15994] do_el0_svc+0x58/0x14c [ 575.317575][T15994] el0_svc+0x7c/0x1f0 [ 575.318524][T15994] el0t_64_sync_handler+0x84/0xe4 [ 575.319713][T15994] el0t_64_sync+0x1a0/0x1a4 [ 575.321204][T15980] BTRFS info (device loop5): using spread ssd allocation scheme [ 575.325651][T15980] BTRFS info (device loop5): using free space tree [ 575.333078][T15980] BTRFS info (device loop5): has skinny extents [ 575.631296][T15980] FAULT_INJECTION: forcing a failure. [ 575.631296][T15980] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 575.635016][T15980] CPU: 0 PID: 15980 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 575.637067][T15980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 575.639739][T15980] Call trace: [ 575.640590][T15980] dump_backtrace+0x0/0x530 [ 575.641720][T15980] show_stack+0x2c/0x3c [ 575.642786][T15980] dump_stack_lvl+0x108/0x170 [ 575.643940][T15980] dump_stack+0x1c/0x58 [ 575.645010][T15980] should_fail+0x3b8/0x514 [ 575.646179][T15980] should_fail_alloc_page+0x74/0xa8 [ 575.647518][T15980] prepare_alloc_pages+0x160/0x460 [ 575.648916][T15980] __alloc_pages+0x138/0x674 [ 575.650114][T15980] alloc_pages+0x368/0x5d4 [ 575.651305][T15980] __page_cache_alloc+0x78/0x524 [ 575.652619][T15980] pagecache_get_page+0xa1c/0xd94 [ 575.653931][T15980] prepare_pages+0x11c/0x344 [ 575.655076][T15980] btrfs_buffered_write+0x594/0xe6c [ 575.656445][T15980] btrfs_file_write_iter+0x1a8/0xb6c [ 575.657847][T15980] do_iter_readv_writev+0x420/0x5f8 [ 575.659209][T15980] do_iter_write+0x1b8/0x66c [ 575.660478][T15980] do_pwritev+0x1ec/0x334 [ 575.661598][T15980] __arm64_sys_pwritev2+0xd4/0x108 [ 575.662978][T15980] invoke_syscall+0x98/0x2b8 [ 575.664266][T15980] el0_svc_common+0x138/0x258 [ 575.665461][T15980] do_el0_svc+0x58/0x14c [ 575.666619][T15980] el0_svc+0x7c/0x1f0 [ 575.667656][T15980] el0t_64_sync_handler+0x84/0xe4 [ 575.668910][T15980] el0t_64_sync+0x1a0/0x1a4 [ 575.678121][T16014] loop1: detected capacity change from 0 to 32768 [ 575.689345][T16014] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor297 (16014) [ 575.885771][T16014] FAULT_INJECTION: forcing a failure. [ 575.885771][T16014] name failslab, interval 1, probability 0, space 0, times 0 [ 575.898879][T16014] CPU: 1 PID: 16014 Comm: syz-executor297 Not tainted 5.15.179-syzkaller #0 [ 575.900990][T16014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 575.903382][T16014] Call trace: [ 575.904213][T16014] dump_backtrace+0x0/0x530 [ 575.905368][T16014] show_stack+0x2c/0x3c [ 575.906474][T16014] dump_stack_lvl+0x108/0x170 [ 575.907611][T16014] dump_stack+0x1c/0x58 [ 575.908795][T16014] should_fail+0x3b8/0x514 [ 575.909925][T16014] __should_failslab+0xbc/0x110 [ 575.911097][T16014] should_failslab+0x10/0x28 [ 575.912338][T16014] slab_pre_alloc_hook+0x64/0xe8 [ 575.913595][T16014] kmem_cache_alloc+0x98/0x45c [ 575.914732][T16014] jbd2__journal_start+0x158/0x7b4 [ 575.916014][T16014] __ext4_journal_start_sb+0x358/0x70c [ 575.917396][T16014] ext4_dirty_inode+0x9c/0x100 [ 575.918679][T16014] __mark_inode_dirty+0x2b0/0x10f4 [ 575.920104][T16014] generic_write_end+0x15c/0x238 [ 575.921467][T16014] ext4_da_write_end+0x51c/0x930 [ 575.922837][T16014] generic_perform_write+0x354/0x520 [ 575.924389][T16014] ext4_buffered_write_iter+0x3fc/0x528 [ 575.925838][T16014] ext4_file_write_iter+0x684/0x1618 [ 575.927200][T16014] do_iter_readv_writev+0x420/0x5f8 [ 575.928594][T16014] do_iter_write+0x1b8/0x66c [ 575.929827][T16014] do_pwritev+0x1ec/0x334 [ 575.930920][T16014] __arm64_sys_pwritev2+0xd4/0x108 [ 575.932316][T16014] invoke_syscall+0x98/0x2b8 [ 575.933516][T16014] el0_svc_common+0x138/0x258 [ 575.934794][T16014] do_el0_svc+0x58/0x14c [ 575.935933][T16014] el0_svc+0x7c/0x1f0 [ 575.936967][T16014] el0t_64_sync_handler+0x84/0xe4 [ 575.938265][T16014] el0t_64_sync+0x1a0/0x1a4 [ 575.992144][T16007] loop0: detected capacity change from 0 to 32768 [ 576.023262][T16007] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor297 (16007)