[ 406.334102][ T4387] BTRFS info (device loop0): force zlib compression, level 3 [ 406.335101][ T4387] BTRFS info (device loop0): disabling disk space caching [ 406.335959][ T4387] BTRFS info (device loop0): has skinny extents [ 406.351572][ T4387] BTRFS info (device loop0): enabling ssd optimizations [ 406.353088][ T4387] BTRFS info (device loop0): clearing free space tree [ 406.354124][ T4387] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 406.355468][ T4387] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 406.360893][ T4387] FAULT_INJECTION: forcing a failure. [ 406.360893][ T4387] name failslab, interval 1, probability 0, space 0, times 0 [ 406.363778][ T4387] CPU: 0 PID: 4387 Comm: syz-executor.0 Not tainted syzkaller #0 [ 406.364954][ T4387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.366536][ T4387] Call trace: [ 406.367011][ T4387] dump_backtrace+0x0/0x43c [ 406.367772][ T4387] show_stack+0x2c/0x3c [ 406.368468][ T4387] __dump_stack+0x30/0x40 [ 406.369179][ T4387] dump_stack_lvl+0xf8/0x160 [ 406.369872][ T4387] dump_stack+0x1c/0x5c [ 406.370515][ T4387] should_fail+0x3c0/0x51c [ 406.371209][ T4387] __should_failslab+0xbc/0x10c [ 406.371954][ T4387] should_failslab+0x10/0x28 [ 406.372675][ T4387] slab_pre_alloc_hook+0x64/0xec [ 406.373465][ T4387] kmem_cache_alloc+0x94/0x3e4 [ 406.374219][ T4387] start_transaction+0x4d0/0x13f0 [ 406.375032][ T4387] btrfs_attach_transaction_barrier+0x30/0xac [ 406.375954][ T4387] btrfs_sync_fs+0x13c/0xb2c [ 406.376720][ T4387] sync_filesystem+0x1a0/0x218 [ 406.377448][ T4387] btrfs_remount+0x19c/0x12b8 [ 406.378307][ T4387] legacy_reconfigure+0xf8/0x110 [ 406.379205][ T4387] reconfigure_super+0x1d4/0x6f4 [ 406.380070][ T4387] path_mount+0xc80/0x1000 [ 406.380813][ T4387] __arm64_sys_mount+0x514/0x5e4 [ 406.381615][ T4387] invoke_syscall+0x98/0x2b8 [ 406.382359][ T4387] el0_svc_common+0x138/0x258 [ 406.383183][ T4387] do_el0_svc+0x58/0x14c [ 406.383870][ T4387] el0_svc+0x78/0x1e0 [ 406.384566][ T4387] el0t_64_sync_handler+0xcc/0xe4 [ 406.385398][ T4387] el0t_64_sync+0x1a0/0x1a4 [ 406.561636][ T4408] loop0: detected capacity change from 0 to 32768 [ 406.564095][ T4408] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4408) [ 406.567477][ T4408] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 406.568959][ T4408] BTRFS info (device loop0): enabling auto defrag [ 406.569892][ T4408] BTRFS info (device loop0): enabling disk space caching [ 406.571139][ T4408] BTRFS info (device loop0): disabling tree log [ 406.572098][ T4408] BTRFS info (device loop0): force clearing of disk cache [ 406.573212][ T4408] BTRFS info (device loop0): force zlib compression, level 3 [ 406.574483][ T4408] BTRFS info (device loop0): disabling disk space caching [ 406.575783][ T4408] BTRFS info (device loop0): has skinny extents [ 406.588696][ T4408] BTRFS info (device loop0): enabling ssd optimizations [ 406.590380][ T4408] BTRFS info (device loop0): clearing free space tree [ 406.591892][ T4408] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 406.593435][ T4408] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 406.599054][ T4408] FAULT_INJECTION: forcing a failure. [ 406.599054][ T4408] name failslab, interval 1, probability 0, space 0, times 0 [ 406.601465][ T4408] CPU: 1 PID: 4408 Comm: syz-executor.0 Not tainted syzkaller #0 [ 406.602641][ T4408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.604136][ T4408] Call trace: [ 406.604682][ T4408] dump_backtrace+0x0/0x43c [ 406.605420][ T4408] show_stack+0x2c/0x3c [ 406.606049][ T4408] __dump_stack+0x30/0x40 [ 406.606726][ T4408] dump_stack_lvl+0xf8/0x160 [ 406.607383][ T4408] dump_stack+0x1c/0x5c [ 406.607994][ T4408] should_fail+0x3c0/0x51c [ 406.608634][ T4408] __should_failslab+0xbc/0x10c [ 406.609394][ T4408] should_failslab+0x10/0x28 [ 406.610166][ T4408] slab_pre_alloc_hook+0x64/0xec [ 406.611027][ T4408] kmem_cache_alloc+0x94/0x3e4 [ 406.611860][ T4408] start_transaction+0x4d0/0x13f0 [ 406.612678][ T4408] btrfs_attach_transaction_barrier+0x30/0xac [ 406.613684][ T4408] btrfs_sync_fs+0x13c/0xb2c [ 406.614380][ T4408] sync_filesystem+0x1a0/0x218 [ 406.615090][ T4408] btrfs_remount+0x19c/0x12b8 [ 406.615789][ T4408] legacy_reconfigure+0xf8/0x110 [ 406.616543][ T4408] reconfigure_super+0x1d4/0x6f4 [ 406.617279][ T4408] path_mount+0xc80/0x1000 [ 406.617951][ T4408] __arm64_sys_mount+0x514/0x5e4 [ 406.618698][ T4408] invoke_syscall+0x98/0x2b8 [ 406.619430][ T4408] el0_svc_common+0x138/0x258 [ 406.620153][ T4408] do_el0_svc+0x58/0x14c [ 406.620839][ T4408] el0_svc+0x78/0x1e0 [ 406.621481][ T4408] el0t_64_sync_handler+0xcc/0xe4 [ 406.622335][ T4408] el0t_64_sync+0x1a0/0x1a4 [ 406.812103][ T4435] loop0: detected capacity change from 0 to 32768 [ 406.814600][ T4435] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4435) [ 406.818839][ T4435] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 406.820342][ T4435] BTRFS info (device loop0): enabling auto defrag [ 406.821518][ T4435] BTRFS info (device loop0): enabling disk space caching [ 406.822708][ T4435] BTRFS info (device loop0): disabling tree log [ 406.823692][ T4435] BTRFS info (device loop0): force clearing of disk cache [ 406.824931][ T4435] BTRFS info (device loop0): force zlib compression, level 3 [ 406.826193][ T4435] BTRFS info (device loop0): disabling disk space caching [ 406.827426][ T4435] BTRFS info (device loop0): has skinny extents [ 406.836887][ T4435] BTRFS info (device loop0): enabling ssd optimizations [ 406.838488][ T4435] BTRFS info (device loop0): clearing free space tree [ 406.839700][ T4435] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 406.841638][ T4435] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 406.847530][ T4435] FAULT_INJECTION: forcing a failure. [ 406.847530][ T4435] name failslab, interval 1, probability 0, space 0, times 0 [ 406.849657][ T4435] CPU: 1 PID: 4435 Comm: syz-executor.0 Not tainted syzkaller #0 [ 406.850838][ T4435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 406.852604][ T4435] Call trace: [ 406.853162][ T4435] dump_backtrace+0x0/0x43c [ 406.853982][ T4435] show_stack+0x2c/0x3c [ 406.854632][ T4435] __dump_stack+0x30/0x40 [ 406.855363][ T4435] dump_stack_lvl+0xf8/0x160 [ 406.856069][ T4435] dump_stack+0x1c/0x5c [ 406.856682][ T4435] should_fail+0x3c0/0x51c [ 406.857355][ T4435] __should_failslab+0xbc/0x10c [ 406.858095][ T4435] should_failslab+0x10/0x28 [ 406.858913][ T4435] slab_pre_alloc_hook+0x64/0xec [ 406.859688][ T4435] kmem_cache_alloc+0x94/0x3e4 [ 406.860493][ T4435] start_transaction+0x4d0/0x13f0 [ 406.861278][ T4435] btrfs_attach_transaction_barrier+0x30/0xac [ 406.862243][ T4435] btrfs_sync_fs+0x13c/0xb2c [ 406.862928][ T4435] sync_filesystem+0x1a0/0x218 [ 406.863630][ T4435] btrfs_remount+0x19c/0x12b8 [ 406.864349][ T4435] legacy_reconfigure+0xf8/0x110 [ 406.865073][ T4435] reconfigure_super+0x1d4/0x6f4 [ 406.865796][ T4435] path_mount+0xc80/0x1000 [ 406.866478][ T4435] __arm64_sys_mount+0x514/0x5e4 [ 406.867183][ T4435] invoke_syscall+0x98/0x2b8 [ 406.867852][ T4435] el0_svc_common+0x138/0x258 [ 406.868551][ T4435] do_el0_svc+0x58/0x14c [ 406.869189][ T4435] el0_svc+0x78/0x1e0 [ 406.869803][ T4435] el0t_64_sync_handler+0xcc/0xe4 [ 406.870545][ T4435] el0t_64_sync+0x1a0/0x1a4 [ 407.044768][ T4456] loop0: detected capacity change from 0 to 32768 [ 407.047119][ T4456] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4456) [ 407.050283][ T4456] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 407.051763][ T4456] BTRFS info (device loop0): enabling auto defrag [ 407.052770][ T4456] BTRFS info (device loop0): enabling disk space caching [ 407.054059][ T4456] BTRFS info (device loop0): disabling tree log [ 407.055023][ T4456] BTRFS info (device loop0): force clearing of disk cache [ 407.056238][ T4456] BTRFS info (device loop0): force zlib compression, level 3 [ 407.057520][ T4456] BTRFS info (device loop0): disabling disk space caching [ 407.058744][ T4456] BTRFS info (device loop0): has skinny extents [ 407.069683][ T4456] BTRFS info (device loop0): enabling ssd optimizations [ 407.072175][ T4456] BTRFS info (device loop0): clearing free space tree [ 407.073399][ T4456] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 407.074971][ T4456] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 407.080495][ T4456] FAULT_INJECTION: forcing a failure. [ 407.080495][ T4456] name failslab, interval 1, probability 0, space 0, times 0 [ 407.083050][ T4456] CPU: 0 PID: 4456 Comm: syz-executor.0 Not tainted syzkaller #0 [ 407.084348][ T4456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.085953][ T4456] Call trace: [ 407.086442][ T4456] dump_backtrace+0x0/0x43c [ 407.087114][ T4456] show_stack+0x2c/0x3c [ 407.087715][ T4456] __dump_stack+0x30/0x40 [ 407.088379][ T4456] dump_stack_lvl+0xf8/0x160 [ 407.089083][ T4456] dump_stack+0x1c/0x5c [ 407.089767][ T4456] should_fail+0x3c0/0x51c [ 407.090472][ T4456] __should_failslab+0xbc/0x10c [ 407.091285][ T4456] should_failslab+0x10/0x28 [ 407.091978][ T4456] slab_pre_alloc_hook+0x64/0xec [ 407.092705][ T4456] kmem_cache_alloc+0x94/0x3e4 [ 407.093427][ T4456] start_transaction+0x4d0/0x13f0 [ 407.094171][ T4456] btrfs_attach_transaction_barrier+0x30/0xac [ 407.095101][ T4456] btrfs_sync_fs+0x13c/0xb2c [ 407.095784][ T4456] sync_filesystem+0x1a0/0x218 [ 407.096520][ T4456] btrfs_remount+0x19c/0x12b8 [ 407.097188][ T4456] legacy_reconfigure+0xf8/0x110 [ 407.097886][ T4456] reconfigure_super+0x1d4/0x6f4 [ 407.098578][ T4456] path_mount+0xc80/0x1000 [ 407.099229][ T4456] __arm64_sys_mount+0x514/0x5e4 [ 407.099950][ T4456] invoke_syscall+0x98/0x2b8 [ 407.100659][ T4456] el0_svc_common+0x138/0x258 [ 407.101331][ T4456] do_el0_svc+0x58/0x14c [ 407.101931][ T4456] el0_svc+0x78/0x1e0 [ 407.102507][ T4456] el0t_64_sync_handler+0xcc/0xe4 [ 407.103221][ T4456] el0t_64_sync+0x1a0/0x1a4 [ 407.277572][ T4477] loop0: detected capacity change from 0 to 32768 [ 407.279974][ T4477] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4477) [ 407.283943][ T4477] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 407.285662][ T4477] BTRFS info (device loop0): enabling auto defrag [ 407.286829][ T4477] BTRFS info (device loop0): enabling disk space caching [ 407.288059][ T4477] BTRFS info (device loop0): disabling tree log [ 407.289033][ T4477] BTRFS info (device loop0): force clearing of disk cache [ 407.290255][ T4477] BTRFS info (device loop0): force zlib compression, level 3 [ 407.291588][ T4477] BTRFS info (device loop0): disabling disk space caching [ 407.292776][ T4477] BTRFS info (device loop0): has skinny extents [ 407.300489][ T4477] BTRFS info (device loop0): enabling ssd optimizations [ 407.302336][ T4477] BTRFS info (device loop0): clearing free space tree [ 407.303524][ T4477] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 407.304928][ T4477] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 407.310676][ T4477] FAULT_INJECTION: forcing a failure. [ 407.310676][ T4477] name failslab, interval 1, probability 0, space 0, times 0 [ 407.312864][ T4477] CPU: 1 PID: 4477 Comm: syz-executor.0 Not tainted syzkaller #0 [ 407.314096][ T4477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.315700][ T4477] Call trace: [ 407.316205][ T4477] dump_backtrace+0x0/0x43c [ 407.316835][ T4477] show_stack+0x2c/0x3c [ 407.317519][ T4477] __dump_stack+0x30/0x40 [ 407.318210][ T4477] dump_stack_lvl+0xf8/0x160 [ 407.318947][ T4477] dump_stack+0x1c/0x5c [ 407.319640][ T4477] should_fail+0x3c0/0x51c [ 407.320361][ T4477] __should_failslab+0xbc/0x10c [ 407.321109][ T4477] should_failslab+0x10/0x28 [ 407.321834][ T4477] slab_pre_alloc_hook+0x64/0xec [ 407.322678][ T4477] kmem_cache_alloc+0x94/0x3e4 [ 407.323439][ T4477] start_transaction+0x4d0/0x13f0 [ 407.324322][ T4477] btrfs_attach_transaction_barrier+0x30/0xac [ 407.325325][ T4477] btrfs_sync_fs+0x13c/0xb2c [ 407.326057][ T4477] sync_filesystem+0x1a0/0x218 [ 407.326802][ T4477] btrfs_remount+0x19c/0x12b8 [ 407.327551][ T4477] legacy_reconfigure+0xf8/0x110 [ 407.328348][ T4477] reconfigure_super+0x1d4/0x6f4 [ 407.329097][ T4477] path_mount+0xc80/0x1000 [ 407.329815][ T4477] __arm64_sys_mount+0x514/0x5e4 [ 407.330639][ T4477] invoke_syscall+0x98/0x2b8 [ 407.331352][ T4477] el0_svc_common+0x138/0x258 [ 407.332032][ T4477] do_el0_svc+0x58/0x14c [ 407.332754][ T4477] el0_svc+0x78/0x1e0 [ 407.333403][ T4477] el0t_64_sync_handler+0xcc/0xe4 [ 407.334117][ T4477] el0t_64_sync+0x1a0/0x1a4 [ 407.504601][ T4498] loop0: detected capacity change from 0 to 32768 [ 407.506989][ T4498] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4498) [ 407.509850][ T4498] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 407.511689][ T4498] BTRFS info (device loop0): enabling auto defrag [ 407.512815][ T4498] BTRFS info (device loop0): enabling disk space caching [ 407.513934][ T4498] BTRFS info (device loop0): disabling tree log [ 407.530731][ T4498] FAULT_INJECTION: forcing a failure. [ 407.530731][ T4498] name failslab, interval 1, probability 0, space 0, times 0 [ 407.533122][ T4498] CPU: 1 PID: 4498 Comm: syz-executor.0 Not tainted syzkaller #0 [ 407.534389][ T4498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.535994][ T4498] Call trace: [ 407.536464][ T4498] dump_backtrace+0x0/0x43c [ 407.537137][ T4498] show_stack+0x2c/0x3c [ 407.537827][ T4498] __dump_stack+0x30/0x40 [ 407.538550][ T4498] dump_stack_lvl+0xf8/0x160 [ 407.539311][ T4498] dump_stack+0x1c/0x5c [ 407.539963][ T4498] should_fail+0x3c0/0x51c [ 407.540620][ T4498] __should_failslab+0xbc/0x10c [ 407.541327][ T4498] should_failslab+0x10/0x28 [ 407.542043][ T4498] slab_pre_alloc_hook+0x64/0xec [ 407.542740][ T4498] kmem_cache_alloc+0x94/0x3e4 [ 407.543447][ T4498] start_transaction+0x4d0/0x13f0 [ 407.544191][ T4498] btrfs_attach_transaction_barrier+0x30/0xac [ 407.545057][ T4498] btrfs_sync_fs+0x13c/0xb2c [ 407.545758][ T4498] sync_filesystem+0x1a0/0x218 [ 407.546413][ T4498] btrfs_remount+0x19c/0x12b8 [ 407.547054][ T4498] legacy_reconfigure+0xf8/0x110 [ 407.547882][ T4498] reconfigure_super+0x1d4/0x6f4 [ 407.548712][ T4498] path_mount+0xc80/0x1000 [ 407.549433][ T4498] __arm64_sys_mount+0x514/0x5e4 [ 407.550219][ T4498] invoke_syscall+0x98/0x2b8 [ 407.550980][ T4498] el0_svc_common+0x138/0x258 [ 407.551725][ T4498] do_el0_svc+0x58/0x14c [ 407.552384][ T4498] el0_svc+0x78/0x1e0 [ 407.553057][ T4498] el0t_64_sync_handler+0xcc/0xe4 [ 407.553834][ T4498] el0t_64_sync+0x1a0/0x1a4 [ 407.725108][ T4523] loop0: detected capacity change from 0 to 32768 [ 407.727457][ T4523] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4523) [ 407.743473][ T4523] FAULT_INJECTION: forcing a failure. [ 407.743473][ T4523] name failslab, interval 1, probability 0, space 0, times 0 [ 407.745607][ T4523] CPU: 0 PID: 4523 Comm: syz-executor.0 Not tainted syzkaller #0 [ 407.746681][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.748199][ T4523] Call trace: [ 407.748724][ T4523] dump_backtrace+0x0/0x43c [ 407.749380][ T4523] show_stack+0x2c/0x3c [ 407.749984][ T4523] __dump_stack+0x30/0x40 [ 407.750638][ T4523] dump_stack_lvl+0xf8/0x160 [ 407.751382][ T4523] dump_stack+0x1c/0x5c [ 407.751939][ T4523] should_fail+0x3c0/0x51c [ 407.752604][ T4523] __should_failslab+0xbc/0x10c [ 407.753354][ T4523] should_failslab+0x10/0x28 [ 407.754057][ T4523] slab_pre_alloc_hook+0x64/0xec [ 407.754752][ T4523] kmem_cache_alloc+0x94/0x3e4 [ 407.755445][ T4523] start_transaction+0x4d0/0x13f0 [ 407.756221][ T4523] btrfs_attach_transaction_barrier+0x30/0xac [ 407.757198][ T4523] btrfs_sync_fs+0x13c/0xb2c [ 407.757881][ T4523] sync_filesystem+0x1a0/0x218 [ 407.758626][ T4523] btrfs_remount+0x19c/0x12b8 [ 407.759312][ T4523] legacy_reconfigure+0xf8/0x110 [ 407.760086][ T4523] reconfigure_super+0x1d4/0x6f4 [ 407.760858][ T4523] path_mount+0xc80/0x1000 [ 407.761542][ T4523] __arm64_sys_mount+0x514/0x5e4 [ 407.762397][ T4523] invoke_syscall+0x98/0x2b8 [ 407.763193][ T4523] el0_svc_common+0x138/0x258 [ 407.763933][ T4523] do_el0_svc+0x58/0x14c [ 407.764616][ T4523] el0_svc+0x78/0x1e0 [ 407.765264][ T4523] el0t_64_sync_handler+0xcc/0xe4 [ 407.766040][ T4523] el0t_64_sync+0x1a0/0x1a4 [ 407.926611][ T4554] loop0: detected capacity change from 0 to 32768 [ 407.928908][ T4554] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4554) [ 407.948508][ T4554] FAULT_INJECTION: forcing a failure. [ 407.948508][ T4554] name failslab, interval 1, probability 0, space 0, times 0 [ 407.950641][ T4554] CPU: 0 PID: 4554 Comm: syz-executor.0 Not tainted syzkaller #0 [ 407.951780][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 407.953296][ T4554] Call trace: [ 407.953813][ T4554] dump_backtrace+0x0/0x43c [ 407.954606][ T4554] show_stack+0x2c/0x3c [ 407.955347][ T4554] __dump_stack+0x30/0x40 [ 407.956135][ T4554] dump_stack_lvl+0xf8/0x160 [ 407.956960][ T4554] dump_stack+0x1c/0x5c [ 407.957639][ T4554] should_fail+0x3c0/0x51c [ 407.958342][ T4554] __should_failslab+0xbc/0x10c [ 407.959154][ T4554] should_failslab+0x10/0x28 [ 407.959885][ T4554] slab_pre_alloc_hook+0x64/0xec [ 407.960666][ T4554] kmem_cache_alloc+0x94/0x3e4 [ 407.961427][ T4554] start_transaction+0x4d0/0x13f0 [ 407.962192][ T4554] btrfs_attach_transaction_barrier+0x30/0xac [ 407.963267][ T4554] btrfs_sync_fs+0x13c/0xb2c [ 407.963976][ T4554] sync_filesystem+0x1a0/0x218 [ 407.964750][ T4554] btrfs_remount+0x19c/0x12b8 [ 407.965511][ T4554] legacy_reconfigure+0xf8/0x110 [ 407.966322][ T4554] reconfigure_super+0x1d4/0x6f4 [ 407.967162][ T4554] path_mount+0xc80/0x1000 [ 407.967840][ T4554] __arm64_sys_mount+0x514/0x5e4 [ 407.968550][ T4554] invoke_syscall+0x98/0x2b8 [ 407.969217][ T4554] el0_svc_common+0x138/0x258 [ 407.969997][ T4554] do_el0_svc+0x58/0x14c [ 407.970627][ T4554] el0_svc+0x78/0x1e0 [ 407.971233][ T4554] el0t_64_sync_handler+0xcc/0xe4 [ 407.972036][ T4554] el0t_64_sync+0x1a0/0x1a4 [ 408.140535][ T4575] loop0: detected capacity change from 0 to 32768 [ 408.144249][ T4575] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4575) [ 408.166983][ T4575] FAULT_INJECTION: forcing a failure. [ 408.166983][ T4575] name failslab, interval 1, probability 0, space 0, times 0 [ 408.168967][ T4575] CPU: 1 PID: 4575 Comm: syz-executor.0 Not tainted syzkaller #0 [ 408.170124][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.171717][ T4575] Call trace: [ 408.172176][ T4575] dump_backtrace+0x0/0x43c [ 408.172842][ T4575] show_stack+0x2c/0x3c [ 408.173443][ T4575] __dump_stack+0x30/0x40 [ 408.174205][ T4575] dump_stack_lvl+0xf8/0x160 [ 408.174906][ T4575] dump_stack+0x1c/0x5c [ 408.175627][ T4575] should_fail+0x3c0/0x51c [ 408.176373][ T4575] __should_failslab+0xbc/0x10c [ 408.177128][ T4575] should_failslab+0x10/0x28 [ 408.177804][ T4575] slab_pre_alloc_hook+0x64/0xec [ 408.178511][ T4575] kmem_cache_alloc+0x94/0x3e4 [ 408.179215][ T4575] start_transaction+0x4d0/0x13f0 [ 408.179953][ T4575] btrfs_attach_transaction_barrier+0x30/0xac [ 408.180885][ T4575] btrfs_sync_fs+0x13c/0xb2c [ 408.181607][ T4575] sync_filesystem+0x1a0/0x218 [ 408.182363][ T4575] btrfs_remount+0x19c/0x12b8 [ 408.183107][ T4575] legacy_reconfigure+0xf8/0x110 [ 408.183969][ T4575] reconfigure_super+0x1d4/0x6f4 [ 408.184754][ T4575] path_mount+0xc80/0x1000 [ 408.185436][ T4575] __arm64_sys_mount+0x514/0x5e4 [ 408.186213][ T4575] invoke_syscall+0x98/0x2b8 [ 408.186881][ T4575] el0_svc_common+0x138/0x258 [ 408.187564][ T4575] do_el0_svc+0x58/0x14c [ 408.188207][ T4575] el0_svc+0x78/0x1e0 [ 408.188916][ T4575] el0t_64_sync_handler+0xcc/0xe4 [ 408.189722][ T4575] el0t_64_sync+0x1a0/0x1a4 [ 408.396081][ T4596] loop0: detected capacity change from 0 to 32768 [ 408.398523][ T4596] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4596) [ 408.417494][ T4596] FAULT_INJECTION: forcing a failure. [ 408.417494][ T4596] name failslab, interval 1, probability 0, space 0, times 0 [ 408.419475][ T4596] CPU: 1 PID: 4596 Comm: syz-executor.0 Not tainted syzkaller #0 [ 408.420651][ T4596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.422345][ T4596] Call trace: [ 408.422859][ T4596] dump_backtrace+0x0/0x43c [ 408.423601][ T4596] show_stack+0x2c/0x3c [ 408.424271][ T4596] __dump_stack+0x30/0x40 [ 408.424956][ T4596] dump_stack_lvl+0xf8/0x160 [ 408.425710][ T4596] dump_stack+0x1c/0x5c [ 408.426414][ T4596] should_fail+0x3c0/0x51c [ 408.427162][ T4596] __should_failslab+0xbc/0x10c [ 408.428021][ T4596] should_failslab+0x10/0x28 [ 408.428816][ T4596] slab_pre_alloc_hook+0x64/0xec [ 408.429694][ T4596] kmem_cache_alloc_trace+0x98/0x3fc [ 408.430587][ T4596] bdi_split_work_to_wbs+0x3d8/0x738 [ 408.431478][ T4596] sync_inodes_sb+0x180/0x824 [ 408.432241][ T4596] sync_filesystem+0x160/0x218 [ 408.433063][ T4596] btrfs_remount+0x19c/0x12b8 [ 408.433790][ T4596] legacy_reconfigure+0xf8/0x110 [ 408.434580][ T4596] reconfigure_super+0x1d4/0x6f4 [ 408.435352][ T4596] path_mount+0xc80/0x1000 [ 408.436031][ T4596] __arm64_sys_mount+0x514/0x5e4 [ 408.436777][ T4596] invoke_syscall+0x98/0x2b8 [ 408.437467][ T4596] el0_svc_common+0x138/0x258 [ 408.438156][ T4596] do_el0_svc+0x58/0x14c [ 408.438789][ T4596] el0_svc+0x78/0x1e0 [ 408.439468][ T4596] el0t_64_sync_handler+0xcc/0xe4 [ 408.440301][ T4596] el0t_64_sync+0x1a0/0x1a4 [ 408.637225][ T4617] loop0: detected capacity change from 0 to 32768 [ 408.639475][ T4617] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor.0 (4617) [ 408.656917][ T4617] FAULT_INJECTION: forcing a failure. [ 408.656917][ T4617] name failslab, interval 1, probability 0, space 0, times 0 [ 408.658878][ T4617] CPU: 1 PID: 4617 Comm: syz-executor.0 Not tainted syzkaller #0 [ 408.660025][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 408.661578][ T4617] Call trace: [ 408.662116][ T4617] dump_backtrace+0x0/0x43c [ 408.662907][ T4617] show_stack+0x2c/0x3c [ 408.663627][ T4617] __dump_stack+0x30/0x40 [ 408.664320][ T4617] dump_stack_lvl+0xf8/0x160 [ 408.665025][ T4617] dump_stack+0x1c/0x5c [ 408.665715][ T4617] should_fail+0x3c0/0x51c [ 408.666528][ T4617] __should_failslab+0xbc/0x10c [ 408.667287][ T4617] should_failslab+0x10/0x28 [ 408.668005][ T4617] slab_pre_alloc_hook+0x64/0xec [ 408.668751][ T4617] kmem_cache_alloc+0x94/0x3e4 [ 408.669485][ T4617] start_transaction+0x4d0/0x13f0 [ 408.670173][ T4617] btrfs_attach_transaction_barrier+0x30/0xac [ 408.671070][ T4617] btrfs_sync_fs+0x13c/0xb2c [ 408.671722][ T4617] sync_filesystem+0x1a0/0x218 [ 408.672489][ T4617] btrfs_remount+0x19c/0x12b8 [ 408.673163][ T4617] legacy_reconfigure+0xf8/0x110 [ 408.673924][ T4617] reconfigure_super+0x1d4/0x6f4 [ 408.674649][ T4617] path_mount+0xc80/0x1000 [ 408.675345][ T4617] __arm64_sys_mount+0x514/0x5e4 [ 408.676108][ T4617] invoke_syscall+0x98/0x2b8 [ 408.676840][ T4617] el0_svc_common+0x138/0x258 [ 408.677630][ T4617] do_el0_svc+0x58/0x14c [ 408.678315][ T4617] el0_svc+0x78/0x1e0 [ 408.678952][ T4617] el0t_64_sync_handler+0xcc/0xe4 [ 408.679794][ T4617] el0t_64_sync+0x1a0/0x1a4 [ 409.534249][ T9] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 409.573784][ T9] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 409.614978][ T9] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 409.664182][ T9] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 410.892773][ T9] device hsr_slave_0 left promiscuous mode [ 410.941246][ T9] device hsr_slave_1 left promiscuous mode [ 411.071149][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 411.072441][ T9] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 411.073868][ T9] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 411.075042][ T9] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 411.076237][ T9] device bridge_slave_1 left promiscuous mode [ 411.077213][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 411.111889][ T9] device bridge_slave_0 left promiscuous mode [ 411.112967][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 411.291221][ T9] device veth1_macvtap left promiscuous mode [ 411.292218][ T9] device veth0_macvtap left promiscuous mode [ 411.293252][ T9] device veth1_vlan left promiscuous mode [ 411.294207][ T9] device veth0_vlan left promiscuous mode [ 411.373296][ T9] team0 (unregistering): Port device team_slave_1 removed [ 411.377053][ T9] team0 (unregistering): Port device team_slave_0 removed [ 411.382005][ T9] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 411.415332][ T9] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 411.504675][ T9] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.134' (ED25519) to the list of known hosts. [ 411.902899][ T4780] loop0: detected capacity change from 0 to 32768 [ 411.904504][ T4780] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 411.905775][ T4780] Modules linked in: [ 411.906364][ T4780] CPU: 0 PID: 4780 Comm: syz-executor308 Not tainted syzkaller #0 [ 411.907533][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 411.908950][ T4780] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 411.910047][ T4780] pc : __arm64_sys_mount+0x2f8/0x5e4 [ 411.910746][ T4780] lr : __arm64_sys_mount+0x2d4/0x5e4 [ 411.911591][ T4780] sp : ffff80001f5e7c80 [ 411.912287][ T4780] x29: ffff80001f5e7d20 x28: 00000000fffffff2 x27: 0000fffff36b8000 [ 411.913653][ T4780] x26: ffff0000ccd40000 x25: 0000000000000000 x24: 0000fffff36b72e0 [ 411.914971][ T4780] x23: ffff0000cfc50000 x22: 0000000000000d20 x21: dfff800000000000 [ 411.916289][ T4780] x20: 00000000fffffd20 x19: 0000000000000000 x18: 0000000000000000 [ 411.916449][ T4326] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4326) [ 411.917668][ T4780] x17: 0000000000000000 x16: ffff8000089653d8 x15: 0000fffff36b72e0 [ 411.920916][ T4780] x14: 2e00323220343331 x13: 1ffff0000283006b x12: 0000000000ff0100 [ 411.922117][ T4780] x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000fffff36b8000 [ 411.923313][ T4780] x8 : 0000fffff36b8000 x7 : ffff800008750ff8 x6 : 0000000000000000 [ 411.924583][ T4780] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 411.925847][ T4780] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 411.927079][ T4780] Call trace: [ 411.927580][ T4780] __arm64_sys_mount+0x2f8/0x5e4 [ 411.928278][ T4780] invoke_syscall+0x98/0x2b8 [ 411.929018][ T4780] el0_svc_common+0x138/0x258 [ 411.929787][ T4780] do_el0_svc+0x58/0x14c [ 411.930458][ T4780] el0_svc+0x78/0x1e0 [ 411.931122][ T4780] el0t_64_sync_handler+0xcc/0xe4 [ 411.931862][ T4780] el0t_64_sync+0x1a0/0x1a4 [ 411.932667][ T4780] Code: d503229f 2a1903fc 2a1903e0 38400933 (2a1c03e1) [ 411.933847][ T4780] ---[ end trace 8340e83a9d026cef ]--- [ 412.313503][ T4780] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 412.314575][ T4780] SMP: stopping secondary CPUs [ 412.315276][ T4780] Kernel Offset: disabled [ 412.315914][ T4780] CPU features: 0x8,000003c1,7d33ffd9 [ 412.316774][ T4780] Memory Limit: none [ 412.669500][ T4780] Rebooting in 86400 seconds..