Warning: Permanently added '10.128.0.30' (ED25519) to the list of known hosts. executing program [ 46.039572][ T4017] loop0: detected capacity change from 0 to 32768 [ 46.167912][ T4017] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4017) [ 46.225367][ T4017] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 46.228152][ T4017] BTRFS info (device loop0): setting nodatacow, compression disabled [ 46.230386][ T4017] BTRFS info (device loop0): setting datacow [ 46.232031][ T4017] BTRFS info (device loop0): doing ref verification [ 46.233882][ T4017] BTRFS info (device loop0): force clearing of disk cache [ 46.235810][ T4017] BTRFS info (device loop0): turning off barriers [ 46.238527][ T4017] BTRFS info (device loop0): use zlib compression, level 3 [ 46.240424][ T4017] BTRFS info (device loop0): using free space tree [ 46.242253][ T4017] BTRFS info (device loop0): has skinny extents [ 46.260927][ T4017] BTRFS info (device loop0): clearing free space tree [ 46.262950][ T4017] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.265642][ T4017] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.278020][ T4017] BTRFS info (device loop0): creating free space tree [ 46.281145][ T4017] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.283682][ T4017] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.296151][ T4017] FAULT_INJECTION: forcing a failure. [ 46.296151][ T4017] name failslab, interval 1, probability 0, space 0, times 1 [ 46.299791][ T4017] CPU: 0 PID: 4017 Comm: syz-executor220 Not tainted 5.15.163-syzkaller #0 [ 46.302144][ T4017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 46.304965][ T4017] Call trace: [ 46.305843][ T4017] dump_backtrace+0x0/0x530 [ 46.307151][ T4017] show_stack+0x2c/0x3c [ 46.308371][ T4017] dump_stack_lvl+0x108/0x170 [ 46.309683][ T4017] dump_stack+0x1c/0x58 [ 46.310878][ T4017] should_fail+0x3b8/0x514 [ 46.312169][ T4017] __should_failslab+0xbc/0x110 [ 46.313509][ T4017] should_failslab+0x10/0x28 [ 46.314747][ T4017] slab_pre_alloc_hook+0x64/0xe8 [ 46.316163][ T4017] kmem_cache_alloc+0x98/0x45c [ 46.317493][ T4017] start_transaction+0x4ec/0x1480 [ 46.318922][ T4017] btrfs_start_transaction+0x34/0x44 [ 46.320390][ T4017] btrfs_create+0x134/0x56c [ 46.321649][ T4017] path_openat+0xf18/0x26cc [ 46.322901][ T4017] do_filp_open+0x1a8/0x3b4 [ 46.324232][ T4017] do_sys_openat2+0x128/0x3e0 [ 46.325512][ T4017] __arm64_sys_openat+0x1f0/0x240 [ 46.326883][ T4017] invoke_syscall+0x98/0x2b8 [ 46.328179][ T4017] el0_svc_common+0x138/0x258 [ 46.329525][ T4017] do_el0_svc+0x58/0x14c [ 46.330684][ T4017] el0_svc+0x7c/0x1f0 [ 46.331906][ T4017] el0t_64_sync_handler+0x84/0xe4 [ 46.333269][ T4017] el0t_64_sync+0x1a0/0x1a4 executing program [ 46.634981][ T4055] loop0: detected capacity change from 0 to 32768 [ 46.777094][ T4055] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4055) [ 46.819714][ T4055] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 46.822184][ T4055] BTRFS info (device loop0): setting nodatacow, compression disabled [ 46.824435][ T4055] BTRFS info (device loop0): setting datacow [ 46.826848][ T4055] BTRFS info (device loop0): doing ref verification [ 46.828759][ T4055] BTRFS info (device loop0): force clearing of disk cache [ 46.830678][ T4055] BTRFS info (device loop0): turning off barriers [ 46.832367][ T4055] BTRFS info (device loop0): use zlib compression, level 3 [ 46.834337][ T4055] BTRFS info (device loop0): using free space tree [ 46.836754][ T4055] BTRFS info (device loop0): has skinny extents [ 46.852079][ T4055] BTRFS info (device loop0): clearing free space tree [ 46.853993][ T4055] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.857100][ T4055] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.863602][ T4055] BTRFS info (device loop0): creating free space tree [ 46.866585][ T4055] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.869165][ T4055] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.878254][ T4055] FAULT_INJECTION: forcing a failure. [ 46.878254][ T4055] name failslab, interval 1, probability 0, space 0, times 0 [ 46.881656][ T4055] CPU: 1 PID: 4055 Comm: syz-executor220 Not tainted 5.15.163-syzkaller #0 [ 46.883987][ T4055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 46.886807][ T4055] Call trace: [ 46.887639][ T4055] dump_backtrace+0x0/0x530 [ 46.888932][ T4055] show_stack+0x2c/0x3c [ 46.890062][ T4055] dump_stack_lvl+0x108/0x170 [ 46.891328][ T4055] dump_stack+0x1c/0x58 [ 46.892523][ T4055] should_fail+0x3b8/0x514 [ 46.893855][ T4055] __should_failslab+0xbc/0x110 [ 46.895192][ T4055] should_failslab+0x10/0x28 [ 46.896466][ T4055] slab_pre_alloc_hook+0x64/0xe8 [ 46.897824][ T4055] kmem_cache_alloc+0x98/0x45c [ 46.899092][ T4055] start_transaction+0x4ec/0x1480 [ 46.900504][ T4055] btrfs_start_transaction+0x34/0x44 [ 46.901959][ T4055] btrfs_create+0x134/0x56c [ 46.903174][ T4055] path_openat+0xf18/0x26cc [ 46.904426][ T4055] do_filp_open+0x1a8/0x3b4 [ 46.905652][ T4055] do_sys_openat2+0x128/0x3e0 [ 46.906970][ T4055] __arm64_sys_openat+0x1f0/0x240 [ 46.908395][ T4055] invoke_syscall+0x98/0x2b8 [ 46.909669][ T4055] el0_svc_common+0x138/0x258 [ 46.910959][ T4055] do_el0_svc+0x58/0x14c [ 46.912146][ T4055] el0_svc+0x7c/0x1f0 [ 46.913209][ T4055] el0t_64_sync_handler+0x84/0xe4 [ 46.914588][ T4055] el0t_64_sync+0x1a0/0x1a4 executing program [ 47.216237][ T4086] loop0: detected capacity change from 0 to 32768 [ 47.337069][ T4086] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4086) [ 47.408297][ T4086] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.410719][ T4086] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.413052][ T4086] BTRFS info (device loop0): setting datacow [ 47.414612][ T4086] BTRFS info (device loop0): doing ref verification [ 47.416717][ T4086] BTRFS info (device loop0): force clearing of disk cache [ 47.418655][ T4086] BTRFS info (device loop0): turning off barriers [ 47.420473][ T4086] BTRFS info (device loop0): use zlib compression, level 3 [ 47.422565][ T4086] BTRFS info (device loop0): using free space tree [ 47.424489][ T4086] BTRFS info (device loop0): has skinny extents [ 47.439466][ T4086] BTRFS info (device loop0): clearing free space tree [ 47.441352][ T4086] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.444030][ T4086] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.450118][ T4086] BTRFS info (device loop0): creating free space tree [ 47.452596][ T4086] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.455219][ T4086] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.462895][ T4086] FAULT_INJECTION: forcing a failure. [ 47.462895][ T4086] name failslab, interval 1, probability 0, space 0, times 0 [ 47.466630][ T4086] CPU: 1 PID: 4086 Comm: syz-executor220 Not tainted 5.15.163-syzkaller #0 [ 47.469153][ T4086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 47.471815][ T4086] Call trace: [ 47.472751][ T4086] dump_backtrace+0x0/0x530 [ 47.473960][ T4086] show_stack+0x2c/0x3c [ 47.475024][ T4086] dump_stack_lvl+0x108/0x170 [ 47.476269][ T4086] dump_stack+0x1c/0x58 [ 47.477423][ T4086] should_fail+0x3b8/0x514 [ 47.478708][ T4086] __should_failslab+0xbc/0x110 [ 47.480116][ T4086] should_failslab+0x10/0x28 [ 47.481331][ T4086] slab_pre_alloc_hook+0x64/0xe8 [ 47.482748][ T4086] kmem_cache_alloc+0x98/0x45c [ 47.484047][ T4086] btrfs_get_or_create_delayed_node+0x138/0x4f0 [ 47.485829][ T4086] btrfs_delayed_update_inode+0x3c/0x738 [ 47.487462][ T4086] btrfs_update_inode+0x210/0x3dc [ 47.488835][ T4086] btrfs_create+0x3b0/0x56c [ 47.490037][ T4086] path_openat+0xf18/0x26cc [ 47.491253][ T4086] do_filp_open+0x1a8/0x3b4 [ 47.492474][ T4086] do_sys_openat2+0x128/0x3e0 [ 47.493746][ T4086] __arm64_sys_openat+0x1f0/0x240 [ 47.495158][ T4086] invoke_syscall+0x98/0x2b8 [ 47.496381][ T4086] el0_svc_common+0x138/0x258 [ 47.497662][ T4086] do_el0_svc+0x58/0x14c [ 47.498821][ T4086] el0_svc+0x7c/0x1f0 [ 47.499956][ T4086] el0t_64_sync_handler+0x84/0xe4 [ 47.501303][ T4086] el0t_64_sync+0x1a0/0x1a4 executing program [ 47.815940][ T4106] loop0: detected capacity change from 0 to 32768 [ 47.936950][ T4106] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4106) [ 47.977994][ T4106] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 47.980351][ T4106] BTRFS info (device loop0): setting nodatacow, compression disabled [ 47.982622][ T4106] BTRFS info (device loop0): setting datacow [ 47.984195][ T4106] BTRFS info (device loop0): doing ref verification [ 47.985989][ T4106] BTRFS info (device loop0): force clearing of disk cache [ 47.988450][ T4106] BTRFS info (device loop0): turning off barriers [ 47.990155][ T4106] BTRFS info (device loop0): use zlib compression, level 3 [ 47.992077][ T4106] BTRFS info (device loop0): using free space tree [ 47.993712][ T4106] BTRFS info (device loop0): has skinny extents [ 48.009400][ T4106] BTRFS info (device loop0): clearing free space tree [ 48.011302][ T4106] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.013881][ T4106] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.020859][ T4106] BTRFS info (device loop0): creating free space tree [ 48.023212][ T4106] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.025752][ T4106] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.033955][ T4106] FAULT_INJECTION: forcing a failure. [ 48.033955][ T4106] name failslab, interval 1, probability 0, space 0, times 0 [ 48.037505][ T4106] CPU: 0 PID: 4106 Comm: syz-executor220 Not tainted 5.15.163-syzkaller #0 [ 48.039893][ T4106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 48.042640][ T4106] Call trace: [ 48.043553][ T4106] dump_backtrace+0x0/0x530 [ 48.044761][ T4106] show_stack+0x2c/0x3c [ 48.046011][ T4106] dump_stack_lvl+0x108/0x170 [ 48.047330][ T4106] dump_stack+0x1c/0x58 [ 48.048520][ T4106] should_fail+0x3b8/0x514 [ 48.049775][ T4106] __should_failslab+0xbc/0x110 [ 48.051153][ T4106] should_failslab+0x10/0x28 [ 48.052438][ T4106] slab_pre_alloc_hook+0x64/0xe8 [ 48.053812][ T4106] kmem_cache_alloc+0x98/0x45c [ 48.055155][ T4106] btrfs_alloc_path+0x48/0x54 [ 48.056425][ T4106] btrfs_insert_dir_item+0x1bc/0x460 [ 48.057945][ T4106] btrfs_add_link+0x2fc/0xbcc [ 48.059211][ T4106] btrfs_create+0x42c/0x56c [ 48.060443][ T4106] path_openat+0xf18/0x26cc [ 48.061646][ T4106] do_filp_open+0x1a8/0x3b4 [ 48.062846][ T4106] do_sys_openat2+0x128/0x3e0 [ 48.064166][ T4106] __arm64_sys_openat+0x1f0/0x240 [ 48.065540][ T4106] invoke_syscall+0x98/0x2b8 [ 48.066789][ T4106] el0_svc_common+0x138/0x258 [ 48.068048][ T4106] do_el0_svc+0x58/0x14c [ 48.069266][ T4106] el0_svc+0x7c/0x1f0 [ 48.070447][ T4106] el0t_64_sync_handler+0x84/0xe4 [ 48.071792][ T4106] el0t_64_sync+0x1a0/0x1a4 [ 48.075566][ T4106] ------------[ cut here ]------------ [ 48.077498][ T4106] WARNING: CPU: 0 PID: 4106 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 48.080004][ T4106] Modules linked in: [ 48.081110][ T4106] CPU: 0 PID: 4106 Comm: syz-executor220 Not tainted 5.15.163-syzkaller #0 [ 48.083349][ T4106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 48.086020][ T4106] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 48.088191][ T4106] pc : btrfs_add_link+0x7ac/0xbcc [ 48.089609][ T4106] lr : btrfs_add_link+0x7ac/0xbcc [ 48.091002][ T4106] sp : ffff80001cb77460 [ 48.092155][ T4106] x29: ffff80001cb77560 x28: 0000000000000100 x27: 0000000000000108 [ 48.094423][ T4106] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff70000396ee94 [ 48.096658][ T4106] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000de3236e0 [ 48.098848][ T4106] x20: 1fffe0001bc646e7 x19: ffff0000de323738 x18: 0000000000000001 [ 48.101070][ T4106] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 48.103227][ T4106] x14: ffff0000db4ad1c0 x13: 0000000000000001 x12: 0000000000000001 [ 48.105479][ T4106] x11: 0000000000000000 x10: 0000000000000000 x9 : 290bc0b16bb34700 [ 48.107776][ T4106] x8 : 290bc0b16bb34700 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.110050][ T4106] x5 : ffff80001cb76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 48.112298][ T4106] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.114543][ T4106] Call trace: [ 48.115468][ T4106] btrfs_add_link+0x7ac/0xbcc [ 48.116780][ T4106] btrfs_create+0x42c/0x56c [ 48.118076][ T4106] path_openat+0xf18/0x26cc [ 48.119299][ T4106] do_filp_open+0x1a8/0x3b4 [ 48.120568][ T4106] do_sys_openat2+0x128/0x3e0 [ 48.121863][ T4106] __arm64_sys_openat+0x1f0/0x240 [ 48.123229][ T4106] invoke_syscall+0x98/0x2b8 [ 48.124495][ T4106] el0_svc_common+0x138/0x258 [ 48.125815][ T4106] do_el0_svc+0x58/0x14c [ 48.127008][ T4106] el0_svc+0x7c/0x1f0 [ 48.128191][ T4106] el0t_64_sync_handler+0x84/0xe4 [ 48.129546][ T4106] el0t_64_sync+0x1a0/0x1a4 [ 48.130752][ T4106] irq event stamp: 73022 [ 48.131919][ T4106] hardirqs last enabled at (73021): [] __up_console_sem+0xb4/0x100 [ 48.134630][ T4106] hardirqs last disabled at (73022): [] el1_dbg+0x24/0x80 [ 48.136986][ T4106] softirqs last enabled at (73012): [] handle_softirqs+0xb88/0xdbc [ 48.139724][ T4106] softirqs last disabled at (72971): [] __irq_exit_rcu+0x268/0x4d8 [ 48.142372][ T4106] ---[ end trace 6bd90bb3b04e0e21 ]--- [ 48.144780][ T4106] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 48.148629][ T4106] BTRFS info (device loop0): forced readonly executing program [ 48.434217][ T4130] loop0: detected capacity change from 0 to 32768 [ 48.547050][ T4130] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4130) [ 48.590177][ T4130] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 48.592543][ T4130] BTRFS info (device loop0): setting nodatacow, compression disabled [ 48.594996][ T4130] BTRFS info (device loop0): setting datacow [ 48.597180][ T4130] BTRFS info (device loop0): doing ref verification [ 48.599036][ T4130] BTRFS info (device loop0): force clearing of disk cache [ 48.600992][ T4130] BTRFS info (device loop0): turning off barriers [ 48.602771][ T4130] BTRFS info (device loop0): use zlib compression, level 3 [ 48.604765][ T4130] BTRFS info (device loop0): using free space tree [ 48.606997][ T4130] BTRFS info (device loop0): has skinny extents [ 48.621303][ T4130] BTRFS info (device loop0): clearing free space tree [ 48.623169][ T4130] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.625605][ T4130] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.631815][ T4130] BTRFS info (device loop0): creating free space tree [ 48.634313][ T4130] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.637209][ T4130] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.644311][ T4130] FAULT_INJECTION: forcing a failure. [ 48.644311][ T4130] name failslab, interval 1, probability 0, space 0, times 0 [ 48.648067][ T4130] CPU: 0 PID: 4130 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 48.650624][ T4130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 48.653279][ T4130] Call trace: [ 48.654148][ T4130] dump_backtrace+0x0/0x530 [ 48.655418][ T4130] show_stack+0x2c/0x3c [ 48.656596][ T4130] dump_stack_lvl+0x108/0x170 [ 48.657983][ T4130] dump_stack+0x1c/0x58 [ 48.659145][ T4130] should_fail+0x3b8/0x514 [ 48.660327][ T4130] __should_failslab+0xbc/0x110 [ 48.661818][ T4130] should_failslab+0x10/0x28 [ 48.663110][ T4130] slab_pre_alloc_hook+0x64/0xe8 [ 48.664489][ T4130] kmem_cache_alloc+0x98/0x45c [ 48.665794][ T4130] btrfs_alloc_path+0x48/0x54 [ 48.667092][ T4130] btrfs_insert_dir_item+0x1bc/0x460 [ 48.668583][ T4130] btrfs_add_link+0x2fc/0xbcc [ 48.669909][ T4130] btrfs_create+0x42c/0x56c [ 48.671122][ T4130] path_openat+0xf18/0x26cc [ 48.672424][ T4130] do_filp_open+0x1a8/0x3b4 [ 48.673679][ T4130] do_sys_openat2+0x128/0x3e0 [ 48.674954][ T4130] __arm64_sys_openat+0x1f0/0x240 [ 48.676252][ T4130] invoke_syscall+0x98/0x2b8 [ 48.677528][ T4130] el0_svc_common+0x138/0x258 [ 48.678812][ T4130] do_el0_svc+0x58/0x14c [ 48.679974][ T4130] el0_svc+0x7c/0x1f0 [ 48.681102][ T4130] el0t_64_sync_handler+0x84/0xe4 [ 48.682525][ T4130] el0t_64_sync+0x1a0/0x1a4 [ 48.684753][ T4130] ------------[ cut here ]------------ [ 48.686607][ T4130] WARNING: CPU: 0 PID: 4130 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 48.689085][ T4130] Modules linked in: [ 48.690186][ T4130] CPU: 0 PID: 4130 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 48.692802][ T4130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 48.695520][ T4130] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 48.697661][ T4130] pc : btrfs_add_link+0x7ac/0xbcc [ 48.699062][ T4130] lr : btrfs_add_link+0x7ac/0xbcc [ 48.700401][ T4130] sp : ffff80001cb77460 [ 48.701477][ T4130] x29: ffff80001cb77560 x28: 0000000000000100 x27: 0000000000000108 [ 48.703715][ T4130] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff70000396ee94 [ 48.705943][ T4130] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000de3239a0 [ 48.708252][ T4130] x20: 1fffe0001bc6473f x19: ffff0000de3239f8 x18: 0000000000000001 [ 48.710515][ T4130] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 48.712726][ T4130] x14: ffff0000c6938000 x13: 0000000000000001 x12: 0000000000000001 [ 48.714999][ T4130] x11: 0000000000000000 x10: 0000000000000000 x9 : 3c15400624db6300 [ 48.717201][ T4130] x8 : 3c15400624db6300 x7 : 0000000000000001 x6 : 0000000000000001 [ 48.719383][ T4130] x5 : ffff80001cb76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 48.721631][ T4130] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 48.723878][ T4130] Call trace: [ 48.724773][ T4130] btrfs_add_link+0x7ac/0xbcc [ 48.726135][ T4130] btrfs_create+0x42c/0x56c [ 48.727396][ T4130] path_openat+0xf18/0x26cc [ 48.728587][ T4130] do_filp_open+0x1a8/0x3b4 [ 48.729884][ T4130] do_sys_openat2+0x128/0x3e0 [ 48.731115][ T4130] __arm64_sys_openat+0x1f0/0x240 [ 48.732460][ T4130] invoke_syscall+0x98/0x2b8 [ 48.733744][ T4130] el0_svc_common+0x138/0x258 [ 48.735018][ T4130] do_el0_svc+0x58/0x14c [ 48.736250][ T4130] el0_svc+0x7c/0x1f0 [ 48.737334][ T4130] el0t_64_sync_handler+0x84/0xe4 [ 48.738731][ T4130] el0t_64_sync+0x1a0/0x1a4 [ 48.739980][ T4130] irq event stamp: 72976 [ 48.741167][ T4130] hardirqs last enabled at (72975): [] __up_console_sem+0xb4/0x100 [ 48.743866][ T4130] hardirqs last disabled at (72976): [] el1_dbg+0x24/0x80 [ 48.746226][ T4130] softirqs last enabled at (72964): [] handle_softirqs+0xb88/0xdbc [ 48.748861][ T4130] softirqs last disabled at (72923): [] __irq_exit_rcu+0x268/0x4d8 [ 48.751496][ T4130] ---[ end trace 6bd90bb3b04e0e22 ]--- [ 48.753160][ T4130] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 48.755522][ T4130] BTRFS info (device loop0): forced readonly executing program [ 49.041682][ T4150] loop0: detected capacity change from 0 to 32768 [ 49.117048][ T4150] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4150) [ 49.159621][ T4150] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.162159][ T4150] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.164390][ T4150] BTRFS info (device loop0): setting datacow [ 49.166319][ T4150] BTRFS info (device loop0): doing ref verification [ 49.168059][ T4150] BTRFS info (device loop0): force clearing of disk cache [ 49.169864][ T4150] BTRFS info (device loop0): turning off barriers [ 49.171637][ T4150] BTRFS info (device loop0): use zlib compression, level 3 [ 49.173583][ T4150] BTRFS info (device loop0): using free space tree [ 49.175361][ T4150] BTRFS info (device loop0): has skinny extents [ 49.189908][ T4150] BTRFS info (device loop0): clearing free space tree [ 49.191740][ T4150] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.194295][ T4150] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.201672][ T4150] BTRFS info (device loop0): creating free space tree [ 49.204305][ T4150] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.207199][ T4150] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.214372][ T4150] FAULT_INJECTION: forcing a failure. [ 49.214372][ T4150] name failslab, interval 1, probability 0, space 0, times 0 [ 49.218116][ T4150] CPU: 1 PID: 4150 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 49.220671][ T4150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 49.223561][ T4150] Call trace: [ 49.224435][ T4150] dump_backtrace+0x0/0x530 [ 49.225623][ T4150] show_stack+0x2c/0x3c [ 49.226821][ T4150] dump_stack_lvl+0x108/0x170 [ 49.228165][ T4150] dump_stack+0x1c/0x58 [ 49.229355][ T4150] should_fail+0x3b8/0x514 [ 49.230663][ T4150] __should_failslab+0xbc/0x110 [ 49.232038][ T4150] should_failslab+0x10/0x28 [ 49.233355][ T4150] slab_pre_alloc_hook+0x64/0xe8 [ 49.234735][ T4150] kmem_cache_alloc+0x98/0x45c [ 49.236067][ T4150] btrfs_alloc_path+0x48/0x54 [ 49.237378][ T4150] btrfs_insert_dir_item+0x1bc/0x460 [ 49.238876][ T4150] btrfs_add_link+0x2fc/0xbcc [ 49.240125][ T4150] btrfs_create+0x42c/0x56c [ 49.241373][ T4150] path_openat+0xf18/0x26cc [ 49.242595][ T4150] do_filp_open+0x1a8/0x3b4 [ 49.243823][ T4150] do_sys_openat2+0x128/0x3e0 [ 49.245142][ T4150] __arm64_sys_openat+0x1f0/0x240 [ 49.246492][ T4150] invoke_syscall+0x98/0x2b8 [ 49.247756][ T4150] el0_svc_common+0x138/0x258 [ 49.249018][ T4150] do_el0_svc+0x58/0x14c [ 49.250211][ T4150] el0_svc+0x7c/0x1f0 [ 49.251278][ T4150] el0t_64_sync_handler+0x84/0xe4 [ 49.252704][ T4150] el0t_64_sync+0x1a0/0x1a4 [ 49.254894][ T4150] ------------[ cut here ]------------ [ 49.256606][ T4150] WARNING: CPU: 1 PID: 4150 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 49.259045][ T4150] Modules linked in: [ 49.260080][ T4150] CPU: 1 PID: 4150 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 49.262815][ T4150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 49.265450][ T4150] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.267607][ T4150] pc : btrfs_add_link+0x7ac/0xbcc [ 49.268951][ T4150] lr : btrfs_add_link+0x7ac/0xbcc [ 49.270318][ T4150] sp : ffff80001cb77460 [ 49.271452][ T4150] x29: ffff80001cb77560 x28: 0000000000000100 x27: 0000000000000108 [ 49.273706][ T4150] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff70000396ee94 [ 49.275810][ T4150] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000dc6fd9a0 [ 49.278036][ T4150] x20: 1fffe0001b8dfb3f x19: ffff0000dc6fd9f8 x18: 0000000000000001 [ 49.280296][ T4150] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 49.282678][ T4150] x14: ffff0000d0543680 x13: 0000000000000001 x12: 0000000000000001 [ 49.285050][ T4150] x11: 0000000000000000 x10: 0000000000000000 x9 : a4bf8d4276914500 [ 49.287228][ T4150] x8 : a4bf8d4276914500 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.289511][ T4150] x5 : ffff80001cb76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 49.291858][ T4150] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.294091][ T4150] Call trace: [ 49.294986][ T4150] btrfs_add_link+0x7ac/0xbcc [ 49.296306][ T4150] btrfs_create+0x42c/0x56c [ 49.297515][ T4150] path_openat+0xf18/0x26cc [ 49.298836][ T4150] do_filp_open+0x1a8/0x3b4 [ 49.300091][ T4150] do_sys_openat2+0x128/0x3e0 [ 49.301412][ T4150] __arm64_sys_openat+0x1f0/0x240 [ 49.302862][ T4150] invoke_syscall+0x98/0x2b8 [ 49.304237][ T4150] el0_svc_common+0x138/0x258 [ 49.305619][ T4150] do_el0_svc+0x58/0x14c [ 49.306804][ T4150] el0_svc+0x7c/0x1f0 [ 49.308072][ T4150] el0t_64_sync_handler+0x84/0xe4 [ 49.309459][ T4150] el0t_64_sync+0x1a0/0x1a4 [ 49.310724][ T4150] irq event stamp: 73094 [ 49.311860][ T4150] hardirqs last enabled at (73093): [] __up_console_sem+0xb4/0x100 [ 49.314446][ T4150] hardirqs last disabled at (73094): [] el1_dbg+0x24/0x80 [ 49.316905][ T4150] softirqs last enabled at (73082): [] handle_softirqs+0xb88/0xdbc [ 49.319499][ T4150] softirqs last disabled at (73073): [] __irq_exit_rcu+0x268/0x4d8 [ 49.322184][ T4150] ---[ end trace 6bd90bb3b04e0e23 ]--- [ 49.324046][ T4150] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 49.326525][ T4150] BTRFS info (device loop0): forced readonly executing program [ 49.631619][ T4170] loop0: detected capacity change from 0 to 32768 [ 49.707048][ T4170] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4170) [ 49.758681][ T4170] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 49.761124][ T4170] BTRFS info (device loop0): setting nodatacow, compression disabled [ 49.763486][ T4170] BTRFS info (device loop0): setting datacow [ 49.765121][ T4170] BTRFS info (device loop0): doing ref verification [ 49.767021][ T4170] BTRFS info (device loop0): force clearing of disk cache [ 49.769402][ T4170] BTRFS info (device loop0): turning off barriers [ 49.771248][ T4170] BTRFS info (device loop0): use zlib compression, level 3 [ 49.796418][ T4170] FAULT_INJECTION: forcing a failure. [ 49.796418][ T4170] name failslab, interval 1, probability 0, space 0, times 0 [ 49.799937][ T4170] CPU: 1 PID: 4170 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 49.802664][ T4170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 49.805407][ T4170] Call trace: [ 49.806365][ T4170] dump_backtrace+0x0/0x530 [ 49.807614][ T4170] show_stack+0x2c/0x3c [ 49.808772][ T4170] dump_stack_lvl+0x108/0x170 [ 49.810046][ T4170] dump_stack+0x1c/0x58 [ 49.811224][ T4170] should_fail+0x3b8/0x514 [ 49.812471][ T4170] __should_failslab+0xbc/0x110 [ 49.813774][ T4170] should_failslab+0x10/0x28 [ 49.815035][ T4170] slab_pre_alloc_hook+0x64/0xe8 [ 49.816365][ T4170] kmem_cache_alloc+0x98/0x45c [ 49.817747][ T4170] btrfs_alloc_path+0x48/0x54 [ 49.819063][ T4170] btrfs_insert_dir_item+0x1bc/0x460 [ 49.820608][ T4170] btrfs_add_link+0x2fc/0xbcc [ 49.821969][ T4170] btrfs_create+0x42c/0x56c [ 49.823222][ T4170] path_openat+0xf18/0x26cc [ 49.824415][ T4170] do_filp_open+0x1a8/0x3b4 [ 49.825661][ T4170] do_sys_openat2+0x128/0x3e0 [ 49.826958][ T4170] __arm64_sys_openat+0x1f0/0x240 [ 49.828316][ T4170] invoke_syscall+0x98/0x2b8 [ 49.829569][ T4170] el0_svc_common+0x138/0x258 [ 49.830899][ T4170] do_el0_svc+0x58/0x14c [ 49.832129][ T4170] el0_svc+0x7c/0x1f0 [ 49.833180][ T4170] el0t_64_sync_handler+0x84/0xe4 [ 49.834582][ T4170] el0t_64_sync+0x1a0/0x1a4 [ 49.837549][ T4170] ------------[ cut here ]------------ [ 49.839246][ T4170] WARNING: CPU: 1 PID: 4170 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 49.841678][ T4170] Modules linked in: [ 49.842801][ T4170] CPU: 1 PID: 4170 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 49.845407][ T4170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 49.848003][ T4170] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 49.850076][ T4170] pc : btrfs_add_link+0x7ac/0xbcc [ 49.851483][ T4170] lr : btrfs_add_link+0x7ac/0xbcc [ 49.852846][ T4170] sp : ffff80001cb77460 [ 49.853958][ T4170] x29: ffff80001cb77560 x28: 0000000000000100 x27: 0000000000000108 [ 49.856042][ T4170] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff70000396ee94 [ 49.858199][ T4170] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000dc6fdc60 [ 49.860362][ T4170] x20: 1fffe0001b8dfb97 x19: ffff0000dc6fdcb8 x18: 0000000000000001 [ 49.862454][ T4170] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 49.864538][ T4170] x14: ffff0000c8160000 x13: 0000000000000001 x12: 0000000000000001 [ 49.866647][ T4170] x11: 0000000000000000 x10: 0000000000000000 x9 : 2a4aa59f98067900 [ 49.868775][ T4170] x8 : 2a4aa59f98067900 x7 : 0000000000000001 x6 : 0000000000000001 [ 49.870928][ T4170] x5 : ffff80001cb76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 49.873013][ T4170] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 49.875239][ T4170] Call trace: [ 49.876092][ T4170] btrfs_add_link+0x7ac/0xbcc [ 49.877322][ T4170] btrfs_create+0x42c/0x56c [ 49.878609][ T4170] path_openat+0xf18/0x26cc [ 49.879907][ T4170] do_filp_open+0x1a8/0x3b4 [ 49.881164][ T4170] do_sys_openat2+0x128/0x3e0 [ 49.882494][ T4170] __arm64_sys_openat+0x1f0/0x240 [ 49.883892][ T4170] invoke_syscall+0x98/0x2b8 [ 49.885150][ T4170] el0_svc_common+0x138/0x258 [ 49.886495][ T4170] do_el0_svc+0x58/0x14c [ 49.887776][ T4170] el0_svc+0x7c/0x1f0 [ 49.888824][ T4170] el0t_64_sync_handler+0x84/0xe4 [ 49.890255][ T4170] el0t_64_sync+0x1a0/0x1a4 [ 49.891651][ T4170] irq event stamp: 73330 [ 49.892777][ T4170] hardirqs last enabled at (73329): [] __up_console_sem+0xb4/0x100 [ 49.895554][ T4170] hardirqs last disabled at (73330): [] el1_dbg+0x24/0x80 [ 49.898055][ T4170] softirqs last enabled at (73310): [] handle_softirqs+0xb88/0xdbc [ 49.900698][ T4170] softirqs last disabled at (73263): [] __irq_exit_rcu+0x268/0x4d8 [ 49.903419][ T4170] ---[ end trace 6bd90bb3b04e0e24 ]--- [ 49.905658][ T4170] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory executing program [ 50.241698][ T4190] loop0: detected capacity change from 0 to 32768 [ 50.317002][ T4190] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4190) [ 50.391741][ T4190] FAULT_INJECTION: forcing a failure. [ 50.391741][ T4190] name failslab, interval 1, probability 0, space 0, times 0 [ 50.395349][ T4190] CPU: 1 PID: 4190 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 50.398051][ T4190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 50.400770][ T4190] Call trace: [ 50.401604][ T4190] dump_backtrace+0x0/0x530 [ 50.402867][ T4190] show_stack+0x2c/0x3c [ 50.403952][ T4190] dump_stack_lvl+0x108/0x170 [ 50.405239][ T4190] dump_stack+0x1c/0x58 [ 50.406426][ T4190] should_fail+0x3b8/0x514 [ 50.407621][ T4190] __should_failslab+0xbc/0x110 [ 50.408992][ T4190] should_failslab+0x10/0x28 [ 50.410300][ T4190] slab_pre_alloc_hook+0x64/0xe8 [ 50.411663][ T4190] kmem_cache_alloc+0x98/0x45c [ 50.412910][ T4190] btrfs_alloc_path+0x48/0x54 [ 50.414226][ T4190] btrfs_insert_dir_item+0x1bc/0x460 [ 50.415709][ T4190] btrfs_add_link+0x2fc/0xbcc [ 50.416995][ T4190] btrfs_create+0x42c/0x56c [ 50.418220][ T4190] path_openat+0xf18/0x26cc [ 50.419428][ T4190] do_filp_open+0x1a8/0x3b4 [ 50.420748][ T4190] do_sys_openat2+0x128/0x3e0 [ 50.422066][ T4190] __arm64_sys_openat+0x1f0/0x240 [ 50.423530][ T4190] invoke_syscall+0x98/0x2b8 [ 50.424706][ T4190] el0_svc_common+0x138/0x258 [ 50.425930][ T4190] do_el0_svc+0x58/0x14c [ 50.427064][ T4190] el0_svc+0x7c/0x1f0 [ 50.428192][ T4190] el0t_64_sync_handler+0x84/0xe4 [ 50.429532][ T4190] el0t_64_sync+0x1a0/0x1a4 [ 50.432883][ T4190] ------------[ cut here ]------------ [ 50.434701][ T4190] WARNING: CPU: 1 PID: 4190 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 50.437018][ T4190] Modules linked in: [ 50.438047][ T4190] CPU: 1 PID: 4190 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 50.440732][ T4190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 50.443508][ T4190] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 50.445591][ T4190] pc : btrfs_add_link+0x7ac/0xbcc [ 50.446958][ T4190] lr : btrfs_add_link+0x7ac/0xbcc [ 50.448220][ T4190] sp : ffff80001cb77460 [ 50.449329][ T4190] x29: ffff80001cb77560 x28: 0000000000000100 x27: 0000000000000108 [ 50.451501][ T4190] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff70000396ee94 [ 50.453692][ T4190] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000dc6fdf20 [ 50.455804][ T4190] x20: 1fffe0001b8dfbef x19: ffff0000dc6fdf78 x18: 0000000000000001 [ 50.457903][ T4190] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 50.459955][ T4190] x14: ffff0000d37a51c0 x13: 0000000000000001 x12: 0000000000000001 [ 50.462070][ T4190] x11: 0000000000000000 x10: 0000000000000000 x9 : fbf39d680ec0ca00 [ 50.464276][ T4190] x8 : fbf39d680ec0ca00 x7 : 0000000000000001 x6 : 0000000000000001 [ 50.466310][ T4190] x5 : ffff80001cb76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 50.468433][ T4190] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 50.470541][ T4190] Call trace: [ 50.471416][ T4190] btrfs_add_link+0x7ac/0xbcc [ 50.472725][ T4190] btrfs_create+0x42c/0x56c [ 50.473916][ T4190] path_openat+0xf18/0x26cc [ 50.475130][ T4190] do_filp_open+0x1a8/0x3b4 [ 50.476381][ T4190] do_sys_openat2+0x128/0x3e0 [ 50.477644][ T4190] __arm64_sys_openat+0x1f0/0x240 [ 50.479219][ T4190] invoke_syscall+0x98/0x2b8 [ 50.480456][ T4190] el0_svc_common+0x138/0x258 [ 50.481686][ T4190] do_el0_svc+0x58/0x14c [ 50.482843][ T4190] el0_svc+0x7c/0x1f0 [ 50.483907][ T4190] el0t_64_sync_handler+0x84/0xe4 [ 50.485306][ T4190] el0t_64_sync+0x1a0/0x1a4 [ 50.486563][ T4190] irq event stamp: 73428 [ 50.487771][ T4190] hardirqs last enabled at (73427): [] __up_console_sem+0xb4/0x100 [ 50.490335][ T4190] hardirqs last disabled at (73428): [] el1_dbg+0x24/0x80 [ 50.492647][ T4190] softirqs last enabled at (73404): [] handle_softirqs+0xb88/0xdbc [ 50.495256][ T4190] softirqs last disabled at (73291): [] __irq_exit_rcu+0x268/0x4d8 [ 50.497767][ T4190] ---[ end trace 6bd90bb3b04e0e25 ]--- [ 50.500605][ T4190] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory executing program [ 50.784460][ T4210] loop0: detected capacity change from 0 to 32768 [ 50.886966][ T4210] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4210) [ 50.955161][ T4210] FAULT_INJECTION: forcing a failure. [ 50.955161][ T4210] name failslab, interval 1, probability 0, space 0, times 0 [ 50.958962][ T4210] CPU: 0 PID: 4210 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 50.961593][ T4210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 50.964233][ T4210] Call trace: [ 50.965107][ T4210] dump_backtrace+0x0/0x530 [ 50.966321][ T4210] show_stack+0x2c/0x3c [ 50.967463][ T4210] dump_stack_lvl+0x108/0x170 [ 50.968731][ T4210] dump_stack+0x1c/0x58 [ 50.969850][ T4210] should_fail+0x3b8/0x514 [ 50.971000][ T4210] __should_failslab+0xbc/0x110 [ 50.972327][ T4210] should_failslab+0x10/0x28 [ 50.973601][ T4210] slab_pre_alloc_hook+0x64/0xe8 [ 50.974920][ T4210] kmem_cache_alloc+0x98/0x45c [ 50.976186][ T4210] btrfs_get_or_create_delayed_node+0x138/0x4f0 [ 50.977826][ T4210] btrfs_delayed_update_inode+0x3c/0x738 [ 50.979417][ T4210] btrfs_update_inode+0x210/0x3dc [ 50.980795][ T4210] btrfs_create+0x3b0/0x56c [ 50.982039][ T4210] path_openat+0xf18/0x26cc [ 50.983273][ T4210] do_filp_open+0x1a8/0x3b4 [ 50.984440][ T4210] do_sys_openat2+0x128/0x3e0 [ 50.985733][ T4210] __arm64_sys_openat+0x1f0/0x240 [ 50.987074][ T4210] invoke_syscall+0x98/0x2b8 [ 50.988300][ T4210] el0_svc_common+0x138/0x258 [ 50.989583][ T4210] do_el0_svc+0x58/0x14c [ 50.990715][ T4210] el0_svc+0x7c/0x1f0 [ 50.991774][ T4210] el0t_64_sync_handler+0x84/0xe4 [ 50.993134][ T4210] el0t_64_sync+0x1a0/0x1a4 executing program [ 51.311973][ T4230] loop0: detected capacity change from 0 to 32768 [ 51.417078][ T4230] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4230) [ 51.459234][ T4230] btrfs_printk: 40 callbacks suppressed [ 51.459249][ T4230] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 51.463136][ T4230] BTRFS info (device loop0): setting nodatacow, compression disabled [ 51.465165][ T4230] BTRFS info (device loop0): setting datacow [ 51.467024][ T4230] BTRFS info (device loop0): doing ref verification [ 51.469216][ T4230] BTRFS info (device loop0): force clearing of disk cache [ 51.471105][ T4230] BTRFS info (device loop0): turning off barriers [ 51.472921][ T4230] BTRFS info (device loop0): use zlib compression, level 3 [ 51.474812][ T4230] BTRFS info (device loop0): using free space tree [ 51.476658][ T4230] BTRFS info (device loop0): has skinny extents [ 51.491259][ T4230] BTRFS info (device loop0): clearing free space tree [ 51.493174][ T4230] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.495765][ T4230] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.502413][ T4230] BTRFS info (device loop0): creating free space tree [ 51.504860][ T4230] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.507563][ T4230] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.514826][ T4230] FAULT_INJECTION: forcing a failure. [ 51.514826][ T4230] name failslab, interval 1, probability 0, space 0, times 0 [ 51.518502][ T4230] CPU: 0 PID: 4230 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 51.521323][ T4230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 51.524210][ T4230] Call trace: [ 51.525083][ T4230] dump_backtrace+0x0/0x530 [ 51.526342][ T4230] show_stack+0x2c/0x3c [ 51.527552][ T4230] dump_stack_lvl+0x108/0x170 [ 51.528833][ T4230] dump_stack+0x1c/0x58 [ 51.529957][ T4230] should_fail+0x3b8/0x514 [ 51.531212][ T4230] __should_failslab+0xbc/0x110 [ 51.532574][ T4230] should_failslab+0x10/0x28 [ 51.533880][ T4230] slab_pre_alloc_hook+0x64/0xe8 [ 51.535269][ T4230] kmem_cache_alloc+0x98/0x45c [ 51.536629][ T4230] btrfs_alloc_path+0x48/0x54 [ 51.537963][ T4230] btrfs_insert_dir_item+0x1bc/0x460 [ 51.539393][ T4230] btrfs_add_link+0x2fc/0xbcc [ 51.540711][ T4230] btrfs_create+0x42c/0x56c [ 51.541966][ T4230] path_openat+0xf18/0x26cc [ 51.543223][ T4230] do_filp_open+0x1a8/0x3b4 [ 51.544451][ T4230] do_sys_openat2+0x128/0x3e0 [ 51.545725][ T4230] __arm64_sys_openat+0x1f0/0x240 [ 51.547090][ T4230] invoke_syscall+0x98/0x2b8 [ 51.548343][ T4230] el0_svc_common+0x138/0x258 [ 51.549596][ T4230] do_el0_svc+0x58/0x14c [ 51.550821][ T4230] el0_svc+0x7c/0x1f0 [ 51.552000][ T4230] el0t_64_sync_handler+0x84/0xe4 [ 51.553437][ T4230] el0t_64_sync+0x1a0/0x1a4 [ 51.554874][ T4230] ------------[ cut here ]------------ [ 51.556593][ T4230] WARNING: CPU: 0 PID: 4230 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 51.559020][ T4230] Modules linked in: [ 51.560060][ T4230] CPU: 0 PID: 4230 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 51.562881][ T4230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 51.565641][ T4230] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 51.567818][ T4230] pc : btrfs_add_link+0x7ac/0xbcc [ 51.569226][ T4230] lr : btrfs_add_link+0x7ac/0xbcc [ 51.570668][ T4230] sp : ffff80001da77460 [ 51.571885][ T4230] x29: ffff80001da77560 x28: 0000000000000100 x27: 0000000000000108 [ 51.574076][ T4230] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003b4ee94 [ 51.576293][ T4230] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000de3c4160 [ 51.578565][ T4230] x20: 1fffe0001bc78837 x19: ffff0000de3c41b8 x18: 0000000000000001 [ 51.580744][ T4230] x17: 0000000000000000 x16: ffff800008335d0c x15: 00000000ffffffff [ 51.583145][ T4230] x14: ffff0000cc2c9b40 x13: 0000000000000001 x12: 0000000000000001 [ 51.585499][ T4230] x11: 0000000000000000 x10: 0000000000000000 x9 : 7681035d4d259600 [ 51.587819][ T4230] x8 : 7681035d4d259600 x7 : 0000000000000001 x6 : 0000000000000001 [ 51.590086][ T4230] x5 : ffff80001da76bd8 x4 : ffff800014b9f960 x3 : ffff800008335e58 [ 51.592402][ T4230] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 51.594708][ T4230] Call trace: [ 51.595689][ T4230] btrfs_add_link+0x7ac/0xbcc [ 51.596960][ T4230] btrfs_create+0x42c/0x56c [ 51.598289][ T4230] path_openat+0xf18/0x26cc [ 51.599590][ T4230] do_filp_open+0x1a8/0x3b4 [ 51.600807][ T4230] do_sys_openat2+0x128/0x3e0 [ 51.602157][ T4230] __arm64_sys_openat+0x1f0/0x240 [ 51.603533][ T4230] invoke_syscall+0x98/0x2b8 [ 51.604851][ T4230] el0_svc_common+0x138/0x258 [ 51.606284][ T4230] do_el0_svc+0x58/0x14c [ 51.607424][ T4230] el0_svc+0x7c/0x1f0 [ 51.608544][ T4230] el0t_64_sync_handler+0x84/0xe4 [ 51.610001][ T4230] el0t_64_sync+0x1a0/0x1a4 [ 51.611304][ T4230] irq event stamp: 73022 [ 51.612531][ T4230] hardirqs last enabled at (73021): [] __up_console_sem+0xb4/0x100 [ 51.615292][ T4230] hardirqs last disabled at (73022): [] el1_dbg+0x24/0x80 [ 51.617721][ T4230] softirqs last enabled at (73012): [] handle_softirqs+0xb88/0xdbc [ 51.620482][ T4230] softirqs last disabled at (73003): [] __irq_exit_rcu+0x268/0x4d8 [ 51.623104][ T4230] ---[ end trace 6bd90bb3b04e0e26 ]--- [ 51.624974][ T4230] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 51.627545][ T4230] BTRFS info (device loop0): forced readonly executing program [ 51.902955][ T4250] loop0: detected capacity change from 0 to 32768 [ 51.977040][ T4250] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4250) [ 52.027919][ T4250] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.030362][ T4250] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.032585][ T4250] BTRFS info (device loop0): setting datacow [ 52.034201][ T4250] BTRFS info (device loop0): doing ref verification [ 52.035965][ T4250] BTRFS info (device loop0): force clearing of disk cache [ 52.038297][ T4250] BTRFS info (device loop0): turning off barriers [ 52.040100][ T4250] BTRFS info (device loop0): use zlib compression, level 3 [ 52.042109][ T4250] BTRFS info (device loop0): using free space tree [ 52.043852][ T4250] BTRFS info (device loop0): has skinny extents [ 52.060136][ T4250] BTRFS info (device loop0): clearing free space tree [ 52.062049][ T4250] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.064869][ T4250] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.071156][ T4250] BTRFS info (device loop0): creating free space tree [ 52.073682][ T4250] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.076623][ T4250] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.083734][ T4250] FAULT_INJECTION: forcing a failure. [ 52.083734][ T4250] name failslab, interval 1, probability 0, space 0, times 0 [ 52.087548][ T4250] CPU: 0 PID: 4250 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 52.090297][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 52.093034][ T4250] Call trace: [ 52.093936][ T4250] dump_backtrace+0x0/0x530 [ 52.095333][ T4250] show_stack+0x2c/0x3c [ 52.096428][ T4250] dump_stack_lvl+0x108/0x170 [ 52.097716][ T4250] dump_stack+0x1c/0x58 [ 52.098784][ T4250] should_fail+0x3b8/0x514 [ 52.100013][ T4250] __should_failslab+0xbc/0x110 [ 52.101381][ T4250] should_failslab+0x10/0x28 [ 52.102737][ T4250] slab_pre_alloc_hook+0x64/0xe8 [ 52.104179][ T4250] kmem_cache_alloc+0x98/0x45c [ 52.105518][ T4250] btrfs_alloc_path+0x48/0x54 [ 52.106855][ T4250] btrfs_insert_dir_item+0x1bc/0x460 [ 52.108349][ T4250] btrfs_add_link+0x2fc/0xbcc [ 52.109614][ T4250] btrfs_create+0x42c/0x56c [ 52.110974][ T4250] path_openat+0xf18/0x26cc [ 52.112217][ T4250] do_filp_open+0x1a8/0x3b4 [ 52.113446][ T4250] do_sys_openat2+0x128/0x3e0 [ 52.114699][ T4250] __arm64_sys_openat+0x1f0/0x240 [ 52.116155][ T4250] invoke_syscall+0x98/0x2b8 [ 52.117349][ T4250] el0_svc_common+0x138/0x258 [ 52.118620][ T4250] do_el0_svc+0x58/0x14c [ 52.119857][ T4250] el0_svc+0x7c/0x1f0 [ 52.120950][ T4250] el0t_64_sync_handler+0x84/0xe4 [ 52.122354][ T4250] el0t_64_sync+0x1a0/0x1a4 [ 52.124708][ T4250] ------------[ cut here ]------------ [ 52.126599][ T4250] WARNING: CPU: 0 PID: 4250 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 52.129008][ T4250] Modules linked in: [ 52.130054][ T4250] CPU: 0 PID: 4250 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 52.132676][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 52.135298][ T4250] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 52.137452][ T4250] pc : btrfs_add_link+0x7ac/0xbcc [ 52.138887][ T4250] lr : btrfs_add_link+0x7ac/0xbcc [ 52.140270][ T4250] sp : ffff80001da77460 [ 52.141430][ T4250] x29: ffff80001da77560 x28: 0000000000000100 x27: 0000000000000108 [ 52.143623][ T4250] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003b4ee94 [ 52.145845][ T4250] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000de3c4420 [ 52.147993][ T4250] x20: 1fffe0001bc7888f x19: ffff0000de3c4478 x18: 0000000000000001 [ 52.150158][ T4250] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 52.152368][ T4250] x14: ffff0000d726b680 x13: 0000000000000001 x12: 0000000000000001 [ 52.154533][ T4250] x11: 0000000000000000 x10: 0000000000000000 x9 : f241c2dc50b92200 [ 52.156714][ T4250] x8 : f241c2dc50b92200 x7 : 0000000000000001 x6 : 0000000000000001 [ 52.158916][ T4250] x5 : ffff80001da76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 52.161161][ T4250] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 52.163357][ T4250] Call trace: [ 52.164237][ T4250] btrfs_add_link+0x7ac/0xbcc [ 52.165521][ T4250] btrfs_create+0x42c/0x56c [ 52.166751][ T4250] path_openat+0xf18/0x26cc [ 52.168046][ T4250] do_filp_open+0x1a8/0x3b4 [ 52.169225][ T4250] do_sys_openat2+0x128/0x3e0 [ 52.170581][ T4250] __arm64_sys_openat+0x1f0/0x240 [ 52.171910][ T4250] invoke_syscall+0x98/0x2b8 [ 52.173170][ T4250] el0_svc_common+0x138/0x258 [ 52.174445][ T4250] do_el0_svc+0x58/0x14c [ 52.175572][ T4250] el0_svc+0x7c/0x1f0 [ 52.176721][ T4250] el0t_64_sync_handler+0x84/0xe4 [ 52.178073][ T4250] el0t_64_sync+0x1a0/0x1a4 [ 52.179367][ T4250] irq event stamp: 72380 [ 52.180625][ T4250] hardirqs last enabled at (72379): [] __up_console_sem+0xb4/0x100 [ 52.183252][ T4250] hardirqs last disabled at (72380): [] el1_dbg+0x24/0x80 [ 52.185674][ T4250] softirqs last enabled at (72370): [] handle_softirqs+0xb88/0xdbc [ 52.188307][ T4250] softirqs last disabled at (72329): [] __irq_exit_rcu+0x268/0x4d8 [ 52.191047][ T4250] ---[ end trace 6bd90bb3b04e0e27 ]--- [ 52.192711][ T4250] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 52.195158][ T4250] BTRFS info (device loop0): forced readonly executing program [ 52.493126][ T4270] loop0: detected capacity change from 0 to 32768 [ 52.597048][ T4270] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4270) [ 52.649216][ T4270] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.651636][ T4270] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.653960][ T4270] BTRFS info (device loop0): setting datacow [ 52.655610][ T4270] BTRFS info (device loop0): doing ref verification [ 52.657759][ T4270] BTRFS info (device loop0): force clearing of disk cache [ 52.659689][ T4270] BTRFS info (device loop0): turning off barriers [ 52.661387][ T4270] BTRFS info (device loop0): use zlib compression, level 3 [ 52.663384][ T4270] BTRFS info (device loop0): using free space tree [ 52.665139][ T4270] BTRFS info (device loop0): has skinny extents [ 52.679764][ T4270] BTRFS info (device loop0): clearing free space tree [ 52.681692][ T4270] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.684293][ T4270] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.690452][ T4270] BTRFS info (device loop0): creating free space tree [ 52.692873][ T4270] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.695500][ T4270] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.702739][ T4270] FAULT_INJECTION: forcing a failure. [ 52.702739][ T4270] name failslab, interval 1, probability 0, space 0, times 0 [ 52.706266][ T4270] CPU: 0 PID: 4270 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 52.708923][ T4270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 52.711597][ T4270] Call trace: [ 52.712485][ T4270] dump_backtrace+0x0/0x530 [ 52.713726][ T4270] show_stack+0x2c/0x3c [ 52.714779][ T4270] dump_stack_lvl+0x108/0x170 [ 52.716058][ T4270] dump_stack+0x1c/0x58 [ 52.717198][ T4270] should_fail+0x3b8/0x514 [ 52.718405][ T4270] __should_failslab+0xbc/0x110 [ 52.719699][ T4270] should_failslab+0x10/0x28 [ 52.720922][ T4270] slab_pre_alloc_hook+0x64/0xe8 [ 52.722249][ T4270] kmem_cache_alloc+0x98/0x45c [ 52.723487][ T4270] btrfs_get_or_create_delayed_node+0x138/0x4f0 [ 52.725175][ T4270] btrfs_delayed_update_inode+0x3c/0x738 [ 52.726675][ T4270] btrfs_update_inode+0x210/0x3dc [ 52.728232][ T4270] btrfs_create+0x3b0/0x56c [ 52.729476][ T4270] path_openat+0xf18/0x26cc [ 52.730735][ T4270] do_filp_open+0x1a8/0x3b4 [ 52.731932][ T4270] do_sys_openat2+0x128/0x3e0 [ 52.733221][ T4270] __arm64_sys_openat+0x1f0/0x240 [ 52.734527][ T4270] invoke_syscall+0x98/0x2b8 [ 52.735747][ T4270] el0_svc_common+0x138/0x258 [ 52.736989][ T4270] do_el0_svc+0x58/0x14c [ 52.738134][ T4270] el0_svc+0x7c/0x1f0 [ 52.739267][ T4270] el0t_64_sync_handler+0x84/0xe4 [ 52.740691][ T4270] el0t_64_sync+0x1a0/0x1a4 executing program [ 53.041874][ T4290] loop0: detected capacity change from 0 to 32768 [ 53.117022][ T4290] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4290) [ 53.159667][ T4290] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.162010][ T4290] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.164100][ T4290] BTRFS info (device loop0): setting datacow [ 53.165714][ T4290] BTRFS info (device loop0): doing ref verification [ 53.168015][ T4290] BTRFS info (device loop0): force clearing of disk cache [ 53.169931][ T4290] BTRFS info (device loop0): turning off barriers [ 53.171735][ T4290] BTRFS info (device loop0): use zlib compression, level 3 [ 53.173729][ T4290] BTRFS info (device loop0): using free space tree [ 53.175496][ T4290] BTRFS info (device loop0): has skinny extents [ 53.190144][ T4290] BTRFS info (device loop0): clearing free space tree [ 53.191990][ T4290] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.194612][ T4290] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.201196][ T4290] BTRFS info (device loop0): creating free space tree [ 53.203568][ T4290] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.206448][ T4290] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.214197][ T4290] FAULT_INJECTION: forcing a failure. [ 53.214197][ T4290] name failslab, interval 1, probability 0, space 0, times 0 [ 53.218173][ T4290] CPU: 0 PID: 4290 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 53.220828][ T4290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 53.223452][ T4290] Call trace: [ 53.224382][ T4290] dump_backtrace+0x0/0x530 [ 53.225629][ T4290] show_stack+0x2c/0x3c [ 53.226773][ T4290] dump_stack_lvl+0x108/0x170 [ 53.228117][ T4290] dump_stack+0x1c/0x58 [ 53.229274][ T4290] should_fail+0x3b8/0x514 [ 53.230530][ T4290] __should_failslab+0xbc/0x110 [ 53.231886][ T4290] should_failslab+0x10/0x28 [ 53.233138][ T4290] slab_pre_alloc_hook+0x64/0xe8 [ 53.234552][ T4290] kmem_cache_alloc+0x98/0x45c [ 53.235855][ T4290] btrfs_alloc_path+0x48/0x54 [ 53.237184][ T4290] btrfs_insert_dir_item+0x1bc/0x460 [ 53.238664][ T4290] btrfs_add_link+0x2fc/0xbcc [ 53.239970][ T4290] btrfs_create+0x42c/0x56c [ 53.241262][ T4290] path_openat+0xf18/0x26cc [ 53.242504][ T4290] do_filp_open+0x1a8/0x3b4 [ 53.243720][ T4290] do_sys_openat2+0x128/0x3e0 [ 53.245051][ T4290] __arm64_sys_openat+0x1f0/0x240 [ 53.246585][ T4290] invoke_syscall+0x98/0x2b8 [ 53.247859][ T4290] el0_svc_common+0x138/0x258 [ 53.249166][ T4290] do_el0_svc+0x58/0x14c [ 53.250345][ T4290] el0_svc+0x7c/0x1f0 [ 53.251507][ T4290] el0t_64_sync_handler+0x84/0xe4 [ 53.252882][ T4290] el0t_64_sync+0x1a0/0x1a4 [ 53.256377][ T4290] ------------[ cut here ]------------ [ 53.258128][ T4290] WARNING: CPU: 1 PID: 4290 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 53.260667][ T4290] Modules linked in: [ 53.261680][ T4290] CPU: 1 PID: 4290 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 53.264443][ T4290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 53.267108][ T4290] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.269249][ T4290] pc : btrfs_add_link+0x7ac/0xbcc [ 53.270618][ T4290] lr : btrfs_add_link+0x7ac/0xbcc [ 53.272002][ T4290] sp : ffff80001da77460 [ 53.273189][ T4290] x29: ffff80001da77560 x28: 0000000000000100 x27: 0000000000000108 [ 53.275356][ T4290] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003b4ee94 [ 53.277687][ T4290] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000de3c4b00 [ 53.279886][ T4290] x20: 1fffe0001bc7896b x19: ffff0000de3c4b58 x18: 0000000000000001 [ 53.282104][ T4290] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 53.284364][ T4290] x14: ffff0000d1699b40 x13: 0000000000000001 x12: 0000000000000001 [ 53.286557][ T4290] x11: 0000000000000000 x10: 0000000000000000 x9 : 742bdf53396c4900 [ 53.288832][ T4290] x8 : 742bdf53396c4900 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.291119][ T4290] x5 : ffff80001da76bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 53.293377][ T4290] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.295618][ T4290] Call trace: [ 53.296550][ T4290] btrfs_add_link+0x7ac/0xbcc [ 53.297917][ T4290] btrfs_create+0x42c/0x56c [ 53.299208][ T4290] path_openat+0xf18/0x26cc [ 53.300522][ T4290] do_filp_open+0x1a8/0x3b4 [ 53.301722][ T4290] do_sys_openat2+0x128/0x3e0 [ 53.303068][ T4290] __arm64_sys_openat+0x1f0/0x240 [ 53.304440][ T4290] invoke_syscall+0x98/0x2b8 [ 53.305761][ T4290] el0_svc_common+0x138/0x258 [ 53.307027][ T4290] do_el0_svc+0x58/0x14c [ 53.308281][ T4290] el0_svc+0x7c/0x1f0 [ 53.309387][ T4290] el0t_64_sync_handler+0x84/0xe4 [ 53.310743][ T4290] el0t_64_sync+0x1a0/0x1a4 [ 53.311981][ T4290] irq event stamp: 73054 [ 53.313096][ T4290] hardirqs last enabled at (73053): [] __up_console_sem+0xb4/0x100 [ 53.315752][ T4290] hardirqs last disabled at (73054): [] el1_dbg+0x24/0x80 [ 53.318171][ T4290] softirqs last enabled at (73032): [] handle_softirqs+0xb88/0xdbc [ 53.320848][ T4290] softirqs last disabled at (73023): [] __irq_exit_rcu+0x268/0x4d8 [ 53.323545][ T4290] ---[ end trace 6bd90bb3b04e0e28 ]--- [ 53.326893][ T4290] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 53.329314][ T4290] BTRFS info (device loop0): forced readonly executing program [ 53.632855][ T4310] loop0: detected capacity change from 0 to 32768 [ 53.717063][ T4310] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4310) [ 53.760009][ T4310] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.762388][ T4310] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.764845][ T4310] BTRFS info (device loop0): setting datacow [ 53.769646][ T4310] BTRFS info (device loop0): doing ref verification [ 53.771468][ T4310] BTRFS info (device loop0): force clearing of disk cache [ 53.773560][ T4310] BTRFS info (device loop0): turning off barriers [ 53.775493][ T4310] BTRFS info (device loop0): use zlib compression, level 3 [ 53.777697][ T4310] BTRFS info (device loop0): using free space tree [ 53.779538][ T4310] BTRFS info (device loop0): has skinny extents [ 53.793943][ T4310] BTRFS info (device loop0): clearing free space tree [ 53.796276][ T4310] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.799104][ T4310] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.804707][ T4310] BTRFS info (device loop0): creating free space tree [ 53.807352][ T4310] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.809897][ T4310] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.817383][ T4310] FAULT_INJECTION: forcing a failure. [ 53.817383][ T4310] name failslab, interval 1, probability 0, space 0, times 0 [ 53.820972][ T4310] CPU: 1 PID: 4310 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 53.823546][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 53.826240][ T4310] Call trace: [ 53.827242][ T4310] dump_backtrace+0x0/0x530 [ 53.828437][ T4310] show_stack+0x2c/0x3c [ 53.829637][ T4310] dump_stack_lvl+0x108/0x170 [ 53.830902][ T4310] dump_stack+0x1c/0x58 [ 53.832027][ T4310] should_fail+0x3b8/0x514 [ 53.833213][ T4310] __should_failslab+0xbc/0x110 [ 53.834550][ T4310] should_failslab+0x10/0x28 [ 53.835857][ T4310] slab_pre_alloc_hook+0x64/0xe8 [ 53.837179][ T4310] kmem_cache_alloc+0x98/0x45c [ 53.838496][ T4310] btrfs_alloc_path+0x48/0x54 [ 53.839848][ T4310] btrfs_insert_dir_item+0x1bc/0x460 [ 53.841272][ T4310] btrfs_add_link+0x2fc/0xbcc [ 53.842615][ T4310] btrfs_create+0x42c/0x56c [ 53.843840][ T4310] path_openat+0xf18/0x26cc [ 53.845062][ T4310] do_filp_open+0x1a8/0x3b4 [ 53.846358][ T4310] do_sys_openat2+0x128/0x3e0 [ 53.847626][ T4310] __arm64_sys_openat+0x1f0/0x240 [ 53.849069][ T4310] invoke_syscall+0x98/0x2b8 [ 53.850358][ T4310] el0_svc_common+0x138/0x258 [ 53.851609][ T4310] do_el0_svc+0x58/0x14c [ 53.852824][ T4310] el0_svc+0x7c/0x1f0 [ 53.853919][ T4310] el0t_64_sync_handler+0x84/0xe4 [ 53.855316][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 53.856904][ T4310] ------------[ cut here ]------------ [ 53.858581][ T4310] WARNING: CPU: 1 PID: 4310 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 53.861056][ T4310] Modules linked in: [ 53.862072][ T4310] CPU: 1 PID: 4310 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 53.864710][ T4310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 53.867480][ T4310] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 53.869586][ T4310] pc : btrfs_add_link+0x7ac/0xbcc [ 53.870969][ T4310] lr : btrfs_add_link+0x7ac/0xbcc [ 53.872336][ T4310] sp : ffff80001e057460 [ 53.873421][ T4310] x29: ffff80001e057560 x28: 0000000000000100 x27: 0000000000000108 [ 53.875601][ T4310] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003c0ae94 [ 53.877687][ T4310] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000e28a2420 [ 53.879992][ T4310] x20: 1fffe0001c51448f x19: ffff0000e28a2478 x18: 0000000000000001 [ 53.882226][ T4310] x17: 0000000000000000 x16: ffff800008335d0c x15: 00000000ffffffff [ 53.884512][ T4310] x14: ffff0000d97ad1c0 x13: 0000000000000001 x12: 0000000000000001 [ 53.886689][ T4310] x11: 0000000000000000 x10: 0000000000000000 x9 : dabdaf4477c78e00 [ 53.888831][ T4310] x8 : dabdaf4477c78e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 53.890987][ T4310] x5 : ffff80001e056bd8 x4 : ffff800014b9f960 x3 : ffff800008335e58 [ 53.893158][ T4310] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 53.895389][ T4310] Call trace: [ 53.896254][ T4310] btrfs_add_link+0x7ac/0xbcc [ 53.897602][ T4310] btrfs_create+0x42c/0x56c [ 53.898797][ T4310] path_openat+0xf18/0x26cc [ 53.900010][ T4310] do_filp_open+0x1a8/0x3b4 [ 53.901247][ T4310] do_sys_openat2+0x128/0x3e0 [ 53.902545][ T4310] __arm64_sys_openat+0x1f0/0x240 [ 53.903922][ T4310] invoke_syscall+0x98/0x2b8 [ 53.905131][ T4310] el0_svc_common+0x138/0x258 [ 53.906420][ T4310] do_el0_svc+0x58/0x14c [ 53.907615][ T4310] el0_svc+0x7c/0x1f0 [ 53.908742][ T4310] el0t_64_sync_handler+0x84/0xe4 [ 53.910157][ T4310] el0t_64_sync+0x1a0/0x1a4 [ 53.911359][ T4310] irq event stamp: 72478 [ 53.912537][ T4310] hardirqs last enabled at (72477): [] __up_console_sem+0xb4/0x100 [ 53.915097][ T4310] hardirqs last disabled at (72478): [] el1_dbg+0x24/0x80 [ 53.917496][ T4310] softirqs last enabled at (72458): [] handle_softirqs+0xb88/0xdbc [ 53.920187][ T4310] softirqs last disabled at (72425): [] __irq_exit_rcu+0x268/0x4d8 [ 53.922769][ T4310] ---[ end trace 6bd90bb3b04e0e29 ]--- [ 53.924590][ T4310] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 53.927199][ T4310] BTRFS info (device loop0): forced readonly executing program [ 54.222301][ T4330] loop0: detected capacity change from 0 to 32768 [ 54.297059][ T4330] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4330) [ 54.359431][ T4330] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.362008][ T4330] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.364197][ T4330] BTRFS info (device loop0): setting datacow [ 54.365938][ T4330] BTRFS info (device loop0): doing ref verification [ 54.368507][ T4330] BTRFS info (device loop0): force clearing of disk cache [ 54.370419][ T4330] BTRFS info (device loop0): turning off barriers [ 54.372236][ T4330] BTRFS info (device loop0): use zlib compression, level 3 [ 54.374222][ T4330] BTRFS info (device loop0): using free space tree [ 54.375967][ T4330] BTRFS info (device loop0): has skinny extents [ 54.390591][ T4330] BTRFS info (device loop0): clearing free space tree [ 54.392444][ T4330] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.395105][ T4330] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.401659][ T4330] BTRFS info (device loop0): creating free space tree [ 54.404173][ T4330] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.407202][ T4330] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.414590][ T4330] FAULT_INJECTION: forcing a failure. [ 54.414590][ T4330] name failslab, interval 1, probability 0, space 0, times 0 [ 54.418760][ T4330] CPU: 0 PID: 4330 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 54.421502][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 54.424195][ T4330] Call trace: [ 54.425066][ T4330] dump_backtrace+0x0/0x530 [ 54.426297][ T4330] show_stack+0x2c/0x3c [ 54.427407][ T4330] dump_stack_lvl+0x108/0x170 [ 54.428718][ T4330] dump_stack+0x1c/0x58 [ 54.429994][ T4330] should_fail+0x3b8/0x514 [ 54.431186][ T4330] __should_failslab+0xbc/0x110 [ 54.432503][ T4330] should_failslab+0x10/0x28 [ 54.433652][ T4330] slab_pre_alloc_hook+0x64/0xe8 [ 54.434951][ T4330] kmem_cache_alloc+0x98/0x45c [ 54.436246][ T4330] btrfs_alloc_path+0x48/0x54 [ 54.437495][ T4330] btrfs_insert_dir_item+0x1bc/0x460 [ 54.438990][ T4330] btrfs_add_link+0x2fc/0xbcc [ 54.440422][ T4330] btrfs_create+0x42c/0x56c [ 54.441621][ T4330] path_openat+0xf18/0x26cc [ 54.442846][ T4330] do_filp_open+0x1a8/0x3b4 [ 54.444077][ T4330] do_sys_openat2+0x128/0x3e0 [ 54.445308][ T4330] __arm64_sys_openat+0x1f0/0x240 [ 54.446726][ T4330] invoke_syscall+0x98/0x2b8 [ 54.447997][ T4330] el0_svc_common+0x138/0x258 [ 54.449241][ T4330] do_el0_svc+0x58/0x14c [ 54.450357][ T4330] el0_svc+0x7c/0x1f0 [ 54.451461][ T4330] el0t_64_sync_handler+0x84/0xe4 [ 54.452879][ T4330] el0t_64_sync+0x1a0/0x1a4 [ 54.455455][ T4330] ------------[ cut here ]------------ [ 54.457625][ T4330] WARNING: CPU: 1 PID: 4330 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 54.460177][ T4330] Modules linked in: [ 54.461211][ T4330] CPU: 1 PID: 4330 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 54.464028][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 54.466866][ T4330] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 54.469045][ T4330] pc : btrfs_add_link+0x7ac/0xbcc [ 54.470519][ T4330] lr : btrfs_add_link+0x7ac/0xbcc [ 54.471922][ T4330] sp : ffff80001da47460 [ 54.473017][ T4330] x29: ffff80001da47560 x28: 0000000000000100 x27: 0000000000000108 [ 54.475243][ T4330] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003b48e94 [ 54.477465][ T4330] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000de3c4dc0 [ 54.479634][ T4330] x20: 1fffe0001bc789c3 x19: ffff0000de3c4e18 x18: 0000000000000001 [ 54.481750][ T4330] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 54.483999][ T4330] x14: ffff0000d20cb680 x13: 0000000000000001 x12: 0000000000000001 [ 54.486150][ T4330] x11: 0000000000000000 x10: 0000000000000000 x9 : 7e088d687c4b0000 [ 54.488368][ T4330] x8 : 7e088d687c4b0000 x7 : 0000000000000001 x6 : 0000000000000001 [ 54.490562][ T4330] x5 : ffff80001da46bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 54.492897][ T4330] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 54.495117][ T4330] Call trace: [ 54.495986][ T4330] btrfs_add_link+0x7ac/0xbcc [ 54.497214][ T4330] btrfs_create+0x42c/0x56c [ 54.498438][ T4330] path_openat+0xf18/0x26cc [ 54.499617][ T4330] do_filp_open+0x1a8/0x3b4 [ 54.500825][ T4330] do_sys_openat2+0x128/0x3e0 [ 54.502117][ T4330] __arm64_sys_openat+0x1f0/0x240 [ 54.503593][ T4330] invoke_syscall+0x98/0x2b8 [ 54.504805][ T4330] el0_svc_common+0x138/0x258 [ 54.506119][ T4330] do_el0_svc+0x58/0x14c [ 54.507250][ T4330] el0_svc+0x7c/0x1f0 [ 54.508334][ T4330] el0t_64_sync_handler+0x84/0xe4 [ 54.509774][ T4330] el0t_64_sync+0x1a0/0x1a4 [ 54.511022][ T4330] irq event stamp: 73442 [ 54.512214][ T4330] hardirqs last enabled at (73441): [] __up_console_sem+0xb4/0x100 [ 54.514816][ T4330] hardirqs last disabled at (73442): [] el1_dbg+0x24/0x80 [ 54.517320][ T4330] softirqs last enabled at (73432): [] handle_softirqs+0xb88/0xdbc [ 54.519890][ T4330] softirqs last disabled at (73245): [] __irq_exit_rcu+0x268/0x4d8 [ 54.522428][ T4330] ---[ end trace 6bd90bb3b04e0e2a ]--- [ 54.525880][ T4330] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 54.528985][ T4330] BTRFS info (device loop0): forced readonly executing program [ 54.813460][ T4350] loop0: detected capacity change from 0 to 32768 [ 54.887126][ T4350] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4350) [ 54.930504][ T4350] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.932872][ T4350] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.935216][ T4350] BTRFS info (device loop0): setting datacow [ 54.938379][ T4350] BTRFS info (device loop0): doing ref verification [ 54.940184][ T4350] BTRFS info (device loop0): force clearing of disk cache [ 54.965776][ T4350] FAULT_INJECTION: forcing a failure. [ 54.965776][ T4350] name failslab, interval 1, probability 0, space 0, times 0 [ 54.969646][ T4350] CPU: 0 PID: 4350 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 54.972270][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 54.974925][ T4350] Call trace: [ 54.975810][ T4350] dump_backtrace+0x0/0x530 [ 54.977039][ T4350] show_stack+0x2c/0x3c [ 54.978228][ T4350] dump_stack_lvl+0x108/0x170 [ 54.979502][ T4350] dump_stack+0x1c/0x58 [ 54.980617][ T4350] should_fail+0x3b8/0x514 [ 54.981910][ T4350] __should_failslab+0xbc/0x110 [ 54.983285][ T4350] should_failslab+0x10/0x28 [ 54.984661][ T4350] slab_pre_alloc_hook+0x64/0xe8 [ 54.985991][ T4350] kmem_cache_alloc+0x98/0x45c [ 54.987283][ T4350] btrfs_alloc_path+0x48/0x54 [ 54.988563][ T4350] btrfs_insert_dir_item+0x1bc/0x460 [ 54.989973][ T4350] btrfs_add_link+0x2fc/0xbcc [ 54.991243][ T4350] btrfs_create+0x42c/0x56c [ 54.992472][ T4350] path_openat+0xf18/0x26cc [ 54.993693][ T4350] do_filp_open+0x1a8/0x3b4 [ 54.994896][ T4350] do_sys_openat2+0x128/0x3e0 [ 54.996181][ T4350] __arm64_sys_openat+0x1f0/0x240 [ 54.997529][ T4350] invoke_syscall+0x98/0x2b8 [ 54.998841][ T4350] el0_svc_common+0x138/0x258 [ 55.000147][ T4350] do_el0_svc+0x58/0x14c [ 55.001267][ T4350] el0_svc+0x7c/0x1f0 [ 55.002293][ T4350] el0t_64_sync_handler+0x84/0xe4 [ 55.003654][ T4350] el0t_64_sync+0x1a0/0x1a4 [ 55.007766][ T4350] ------------[ cut here ]------------ [ 55.009648][ T4350] WARNING: CPU: 0 PID: 4350 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 55.012276][ T4350] Modules linked in: [ 55.013371][ T4350] CPU: 0 PID: 4350 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 55.016086][ T4350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 55.019059][ T4350] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 55.021290][ T4350] pc : btrfs_add_link+0x7ac/0xbcc [ 55.022664][ T4350] lr : btrfs_add_link+0x7ac/0xbcc [ 55.024039][ T4350] sp : ffff80001dc57460 [ 55.025155][ T4350] x29: ffff80001dc57560 x28: 0000000000000100 x27: 0000000000000108 [ 55.027350][ T4350] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003b8ae94 [ 55.029567][ T4350] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000dc68a0b0 [ 55.031828][ T4350] x20: 1fffe0001b8d1421 x19: ffff0000dc68a108 x18: 0000000000000001 [ 55.034118][ T4350] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 55.036329][ T4350] x14: ffff0000c1ce3680 x13: 0000000000000001 x12: 0000000000000001 [ 55.038556][ T4350] x11: 0000000000000000 x10: 0000000000000000 x9 : f74b3ed58015c400 [ 55.040832][ T4350] x8 : f74b3ed58015c400 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.043036][ T4350] x5 : ffff80001dc56bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 55.045242][ T4350] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.047385][ T4350] Call trace: [ 55.048309][ T4350] btrfs_add_link+0x7ac/0xbcc [ 55.049769][ T4350] btrfs_create+0x42c/0x56c [ 55.050995][ T4350] path_openat+0xf18/0x26cc [ 55.052264][ T4350] do_filp_open+0x1a8/0x3b4 [ 55.053445][ T4350] do_sys_openat2+0x128/0x3e0 [ 55.054722][ T4350] __arm64_sys_openat+0x1f0/0x240 [ 55.056156][ T4350] invoke_syscall+0x98/0x2b8 [ 55.057330][ T4350] el0_svc_common+0x138/0x258 [ 55.058625][ T4350] do_el0_svc+0x58/0x14c [ 55.059846][ T4350] el0_svc+0x7c/0x1f0 [ 55.060904][ T4350] el0t_64_sync_handler+0x84/0xe4 [ 55.062319][ T4350] el0t_64_sync+0x1a0/0x1a4 [ 55.063642][ T4350] irq event stamp: 72988 [ 55.064875][ T4350] hardirqs last enabled at (72987): [] __up_console_sem+0xb4/0x100 [ 55.067545][ T4350] hardirqs last disabled at (72988): [] el1_dbg+0x24/0x80 [ 55.069959][ T4350] softirqs last enabled at (72968): [] handle_softirqs+0xb88/0xdbc [ 55.072595][ T4350] softirqs last disabled at (72893): [] __irq_exit_rcu+0x268/0x4d8 [ 55.075398][ T4350] ---[ end trace 6bd90bb3b04e0e2b ]--- [ 55.077301][ T4350] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory executing program [ 55.360895][ T4370] loop0: detected capacity change from 0 to 32768 [ 55.447056][ T4370] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4370) [ 55.623156][ T4370] FAULT_INJECTION: forcing a failure. [ 55.623156][ T4370] name failslab, interval 1, probability 0, space 0, times 0 [ 55.626834][ T4370] CPU: 1 PID: 4370 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 55.629539][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 55.632146][ T4370] Call trace: [ 55.633113][ T4370] dump_backtrace+0x0/0x530 [ 55.634313][ T4370] show_stack+0x2c/0x3c [ 55.635433][ T4370] dump_stack_lvl+0x108/0x170 [ 55.636717][ T4370] dump_stack+0x1c/0x58 [ 55.637831][ T4370] should_fail+0x3b8/0x514 [ 55.639088][ T4370] __should_failslab+0xbc/0x110 [ 55.640430][ T4370] should_failslab+0x10/0x28 [ 55.641674][ T4370] slab_pre_alloc_hook+0x64/0xe8 [ 55.643071][ T4370] kmem_cache_alloc+0x98/0x45c [ 55.644328][ T4370] btrfs_alloc_path+0x48/0x54 [ 55.645624][ T4370] btrfs_insert_dir_item+0x1bc/0x460 [ 55.647132][ T4370] btrfs_add_link+0x2fc/0xbcc [ 55.648405][ T4370] btrfs_create+0x42c/0x56c [ 55.649695][ T4370] path_openat+0xf18/0x26cc [ 55.650956][ T4370] do_filp_open+0x1a8/0x3b4 [ 55.652319][ T4370] do_sys_openat2+0x128/0x3e0 [ 55.653629][ T4370] __arm64_sys_openat+0x1f0/0x240 [ 55.655045][ T4370] invoke_syscall+0x98/0x2b8 [ 55.656358][ T4370] el0_svc_common+0x138/0x258 [ 55.657643][ T4370] do_el0_svc+0x58/0x14c [ 55.658880][ T4370] el0_svc+0x7c/0x1f0 [ 55.660022][ T4370] el0t_64_sync_handler+0x84/0xe4 [ 55.661342][ T4370] el0t_64_sync+0x1a0/0x1a4 [ 55.663313][ T4370] ------------[ cut here ]------------ [ 55.665043][ T4370] WARNING: CPU: 1 PID: 4370 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 55.667625][ T4370] Modules linked in: [ 55.668688][ T4370] CPU: 1 PID: 4370 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 55.671638][ T4370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 55.674463][ T4370] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 55.676572][ T4370] pc : btrfs_add_link+0x7ac/0xbcc [ 55.678010][ T4370] lr : btrfs_add_link+0x7ac/0xbcc [ 55.679347][ T4370] sp : ffff80001dc57460 [ 55.680452][ T4370] x29: ffff80001dc57560 x28: 0000000000000100 x27: 0000000000000108 [ 55.682711][ T4370] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003b8ae94 [ 55.684928][ T4370] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000e28a26e0 [ 55.687187][ T4370] x20: 1fffe0001c5144e7 x19: ffff0000e28a2738 x18: 0000000000000001 [ 55.689437][ T4370] x17: 0000000000000000 x16: ffff800008335d0c x15: 00000000ffffffff [ 55.691619][ T4370] x14: ffff0000c20751c0 x13: 0000000000000001 x12: 0000000000000001 [ 55.693834][ T4370] x11: 0000000000000000 x10: 0000000000000000 x9 : b0aa497079514e00 [ 55.696079][ T4370] x8 : b0aa497079514e00 x7 : 0000000000000001 x6 : 0000000000000001 [ 55.698312][ T4370] x5 : ffff80001dc56bd8 x4 : ffff800014b9f960 x3 : ffff800008335e58 [ 55.700508][ T4370] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 55.702705][ T4370] Call trace: [ 55.703620][ T4370] btrfs_add_link+0x7ac/0xbcc [ 55.704986][ T4370] btrfs_create+0x42c/0x56c [ 55.706372][ T4370] path_openat+0xf18/0x26cc [ 55.707642][ T4370] do_filp_open+0x1a8/0x3b4 [ 55.708915][ T4370] do_sys_openat2+0x128/0x3e0 [ 55.710151][ T4370] __arm64_sys_openat+0x1f0/0x240 [ 55.711516][ T4370] invoke_syscall+0x98/0x2b8 [ 55.712793][ T4370] el0_svc_common+0x138/0x258 [ 55.714091][ T4370] do_el0_svc+0x58/0x14c [ 55.715473][ T4370] el0_svc+0x7c/0x1f0 [ 55.716623][ T4370] el0t_64_sync_handler+0x84/0xe4 [ 55.718095][ T4370] el0t_64_sync+0x1a0/0x1a4 [ 55.719302][ T4370] irq event stamp: 72192 [ 55.720393][ T4370] hardirqs last enabled at (72191): [] __up_console_sem+0xb4/0x100 [ 55.723141][ T4370] hardirqs last disabled at (72192): [] el1_dbg+0x24/0x80 [ 55.725781][ T4370] softirqs last enabled at (72172): [] handle_softirqs+0xb88/0xdbc [ 55.728397][ T4370] softirqs last disabled at (72151): [] __irq_exit_rcu+0x268/0x4d8 [ 55.731142][ T4370] ---[ end trace 6bd90bb3b04e0e2c ]--- [ 55.732875][ T4370] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory executing program [ 56.057598][ T4390] loop0: detected capacity change from 0 to 32768 [ 56.137099][ T4390] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4390) [ 56.200957][ T4390] FAULT_INJECTION: forcing a failure. [ 56.200957][ T4390] name failslab, interval 1, probability 0, space 0, times 0 [ 56.204437][ T4390] CPU: 0 PID: 4390 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 56.207161][ T4390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 56.209850][ T4390] Call trace: [ 56.210764][ T4390] dump_backtrace+0x0/0x530 [ 56.211999][ T4390] show_stack+0x2c/0x3c [ 56.213128][ T4390] dump_stack_lvl+0x108/0x170 [ 56.214375][ T4390] dump_stack+0x1c/0x58 [ 56.215454][ T4390] should_fail+0x3b8/0x514 [ 56.216659][ T4390] __should_failslab+0xbc/0x110 [ 56.218022][ T4390] should_failslab+0x10/0x28 [ 56.219280][ T4390] slab_pre_alloc_hook+0x64/0xe8 [ 56.220711][ T4390] kmem_cache_alloc+0x98/0x45c [ 56.222030][ T4390] btrfs_get_or_create_delayed_node+0x138/0x4f0 [ 56.223698][ T4390] btrfs_delayed_update_inode+0x3c/0x738 [ 56.225274][ T4390] btrfs_update_inode+0x210/0x3dc [ 56.226683][ T4390] btrfs_create+0x3b0/0x56c [ 56.227902][ T4390] path_openat+0xf18/0x26cc [ 56.229119][ T4390] do_filp_open+0x1a8/0x3b4 [ 56.230417][ T4390] do_sys_openat2+0x128/0x3e0 [ 56.231800][ T4390] __arm64_sys_openat+0x1f0/0x240 [ 56.233193][ T4390] invoke_syscall+0x98/0x2b8 [ 56.234501][ T4390] el0_svc_common+0x138/0x258 [ 56.235818][ T4390] do_el0_svc+0x58/0x14c [ 56.237083][ T4390] el0_svc+0x7c/0x1f0 [ 56.238163][ T4390] el0t_64_sync_handler+0x84/0xe4 [ 56.239552][ T4390] el0t_64_sync+0x1a0/0x1a4 executing program [ 56.523198][ T4411] loop0: detected capacity change from 0 to 32768 [ 56.627160][ T4411] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4411) [ 56.688916][ T4411] btrfs_printk: 42 callbacks suppressed [ 56.688929][ T4411] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 56.692914][ T4411] BTRFS info (device loop0): setting nodatacow, compression disabled [ 56.695267][ T4411] BTRFS info (device loop0): setting datacow [ 56.697510][ T4411] BTRFS info (device loop0): doing ref verification [ 56.699353][ T4411] BTRFS info (device loop0): force clearing of disk cache [ 56.701219][ T4411] BTRFS info (device loop0): turning off barriers [ 56.702911][ T4411] BTRFS info (device loop0): use zlib compression, level 3 [ 56.704890][ T4411] BTRFS info (device loop0): using free space tree [ 56.707445][ T4411] BTRFS info (device loop0): has skinny extents [ 56.722010][ T4411] BTRFS info (device loop0): clearing free space tree [ 56.723939][ T4411] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.727061][ T4411] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.732763][ T4411] BTRFS info (device loop0): creating free space tree [ 56.735177][ T4411] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.738389][ T4411] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.745850][ T4411] FAULT_INJECTION: forcing a failure. [ 56.745850][ T4411] name failslab, interval 1, probability 0, space 0, times 0 [ 56.749946][ T4411] CPU: 1 PID: 4411 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 56.752581][ T4411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 56.755452][ T4411] Call trace: [ 56.756333][ T4411] dump_backtrace+0x0/0x530 [ 56.757537][ T4411] show_stack+0x2c/0x3c [ 56.758749][ T4411] dump_stack_lvl+0x108/0x170 [ 56.760131][ T4411] dump_stack+0x1c/0x58 [ 56.761250][ T4411] should_fail+0x3b8/0x514 [ 56.762528][ T4411] __should_failslab+0xbc/0x110 [ 56.763907][ T4411] should_failslab+0x10/0x28 [ 56.765156][ T4411] slab_pre_alloc_hook+0x64/0xe8 [ 56.766602][ T4411] kmem_cache_alloc+0x98/0x45c [ 56.767912][ T4411] btrfs_alloc_path+0x48/0x54 [ 56.769229][ T4411] btrfs_insert_dir_item+0x1bc/0x460 [ 56.770707][ T4411] btrfs_add_link+0x2fc/0xbcc [ 56.771948][ T4411] btrfs_create+0x42c/0x56c [ 56.773172][ T4411] path_openat+0xf18/0x26cc [ 56.774382][ T4411] do_filp_open+0x1a8/0x3b4 [ 56.775630][ T4411] do_sys_openat2+0x128/0x3e0 [ 56.776962][ T4411] __arm64_sys_openat+0x1f0/0x240 [ 56.778362][ T4411] invoke_syscall+0x98/0x2b8 [ 56.779689][ T4411] el0_svc_common+0x138/0x258 [ 56.780992][ T4411] do_el0_svc+0x58/0x14c [ 56.782177][ T4411] el0_svc+0x7c/0x1f0 [ 56.783309][ T4411] el0t_64_sync_handler+0x84/0xe4 [ 56.784654][ T4411] el0t_64_sync+0x1a0/0x1a4 [ 56.788468][ T4411] ------------[ cut here ]------------ [ 56.790186][ T4411] WARNING: CPU: 1 PID: 4411 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 56.792678][ T4411] Modules linked in: [ 56.793623][ T4411] CPU: 1 PID: 4411 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 56.796458][ T4411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 56.799265][ T4411] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 56.801477][ T4411] pc : btrfs_add_link+0x7ac/0xbcc [ 56.802864][ T4411] lr : btrfs_add_link+0x7ac/0xbcc [ 56.804182][ T4411] sp : ffff80001e5b7460 [ 56.805331][ T4411] x29: ffff80001e5b7560 x28: 0000000000000100 x27: 0000000000000108 [ 56.807544][ T4411] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003cb6e94 [ 56.809771][ T4411] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000e28a29a0 [ 56.812055][ T4411] x20: 1fffe0001c51453f x19: ffff0000e28a29f8 x18: 0000000000000001 [ 56.814261][ T4411] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 56.816464][ T4411] x14: ffff0000d85ed1c0 x13: 0000000000000001 x12: 0000000000000001 [ 56.818651][ T4411] x11: 0000000000000000 x10: 0000000000000000 x9 : f02ac3d09fa8bb00 [ 56.820919][ T4411] x8 : f02ac3d09fa8bb00 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.823202][ T4411] x5 : ffff80001e5b6bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 56.825438][ T4411] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.827772][ T4411] Call trace: [ 56.828686][ T4411] btrfs_add_link+0x7ac/0xbcc [ 56.829987][ T4411] btrfs_create+0x42c/0x56c [ 56.831273][ T4411] path_openat+0xf18/0x26cc [ 56.832565][ T4411] do_filp_open+0x1a8/0x3b4 [ 56.833811][ T4411] do_sys_openat2+0x128/0x3e0 [ 56.835083][ T4411] __arm64_sys_openat+0x1f0/0x240 [ 56.836472][ T4411] invoke_syscall+0x98/0x2b8 [ 56.837724][ T4411] el0_svc_common+0x138/0x258 [ 56.839043][ T4411] do_el0_svc+0x58/0x14c [ 56.840158][ T4411] el0_svc+0x7c/0x1f0 [ 56.841231][ T4411] el0t_64_sync_handler+0x84/0xe4 [ 56.842642][ T4411] el0t_64_sync+0x1a0/0x1a4 [ 56.843892][ T4411] irq event stamp: 73156 [ 56.845013][ T4411] hardirqs last enabled at (73155): [] __up_console_sem+0xb4/0x100 [ 56.847545][ T4411] hardirqs last disabled at (73156): [] el1_dbg+0x24/0x80 [ 56.849887][ T4411] softirqs last enabled at (73136): [] handle_softirqs+0xb88/0xdbc [ 56.852546][ T4411] softirqs last disabled at (73119): [] __irq_exit_rcu+0x268/0x4d8 [ 56.855117][ T4411] ---[ end trace 6bd90bb3b04e0e2d ]--- [ 56.856879][ T4411] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 56.859437][ T4411] BTRFS info (device loop0): forced readonly executing program [ 57.171430][ T4431] loop0: detected capacity change from 0 to 32768 [ 57.297060][ T4431] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4431) [ 57.337793][ T4431] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.340175][ T4431] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.342327][ T4431] BTRFS info (device loop0): setting datacow [ 57.344143][ T4431] BTRFS info (device loop0): doing ref verification [ 57.345818][ T4431] BTRFS info (device loop0): force clearing of disk cache [ 57.348441][ T4431] BTRFS info (device loop0): turning off barriers [ 57.350176][ T4431] BTRFS info (device loop0): use zlib compression, level 3 [ 57.352043][ T4431] BTRFS info (device loop0): using free space tree [ 57.353652][ T4431] BTRFS info (device loop0): has skinny extents [ 57.369141][ T4431] BTRFS info (device loop0): clearing free space tree [ 57.370974][ T4431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.373506][ T4431] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.379558][ T4431] BTRFS info (device loop0): creating free space tree [ 57.381932][ T4431] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.384453][ T4431] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.393135][ T4431] FAULT_INJECTION: forcing a failure. [ 57.393135][ T4431] name failslab, interval 1, probability 0, space 0, times 0 [ 57.396636][ T4431] CPU: 0 PID: 4431 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 57.399365][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 57.402006][ T4431] Call trace: [ 57.402886][ T4431] dump_backtrace+0x0/0x530 [ 57.404072][ T4431] show_stack+0x2c/0x3c [ 57.405202][ T4431] dump_stack_lvl+0x108/0x170 [ 57.406434][ T4431] dump_stack+0x1c/0x58 [ 57.407659][ T4431] should_fail+0x3b8/0x514 [ 57.408877][ T4431] __should_failslab+0xbc/0x110 [ 57.410200][ T4431] should_failslab+0x10/0x28 [ 57.411454][ T4431] slab_pre_alloc_hook+0x64/0xe8 [ 57.412802][ T4431] kmem_cache_alloc+0x98/0x45c [ 57.414064][ T4431] btrfs_alloc_path+0x48/0x54 [ 57.415389][ T4431] btrfs_insert_dir_item+0x1bc/0x460 [ 57.416943][ T4431] btrfs_add_link+0x2fc/0xbcc [ 57.418237][ T4431] btrfs_create+0x42c/0x56c [ 57.419463][ T4431] path_openat+0xf18/0x26cc [ 57.420831][ T4431] do_filp_open+0x1a8/0x3b4 [ 57.422114][ T4431] do_sys_openat2+0x128/0x3e0 [ 57.423412][ T4431] __arm64_sys_openat+0x1f0/0x240 [ 57.424802][ T4431] invoke_syscall+0x98/0x2b8 [ 57.426031][ T4431] el0_svc_common+0x138/0x258 [ 57.427216][ T4431] do_el0_svc+0x58/0x14c [ 57.428458][ T4431] el0_svc+0x7c/0x1f0 [ 57.429540][ T4431] el0t_64_sync_handler+0x84/0xe4 [ 57.430904][ T4431] el0t_64_sync+0x1a0/0x1a4 [ 57.434720][ T4431] ------------[ cut here ]------------ [ 57.436612][ T4431] WARNING: CPU: 0 PID: 4431 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 57.439094][ T4431] Modules linked in: [ 57.440222][ T4431] CPU: 0 PID: 4431 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 57.442884][ T4431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 57.445625][ T4431] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 57.447745][ T4431] pc : btrfs_add_link+0x7ac/0xbcc [ 57.449158][ T4431] lr : btrfs_add_link+0x7ac/0xbcc [ 57.450538][ T4431] sp : ffff80001e5b7460 [ 57.451690][ T4431] x29: ffff80001e5b7560 x28: 0000000000000100 x27: 0000000000000108 [ 57.453886][ T4431] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003cb6e94 [ 57.456106][ T4431] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000dc68a8f0 [ 57.458331][ T4431] x20: 1fffe0001b8d1529 x19: ffff0000dc68a948 x18: 0000000000000001 [ 57.460556][ T4431] x17: 0000000000000000 x16: ffff800011ab3128 x15: 00000000ffffffff [ 57.462798][ T4431] x14: ffff0000d85eb680 x13: 0000000000000001 x12: 0000000000000001 [ 57.465083][ T4431] x11: 0000000000000000 x10: 0000000000000000 x9 : 178b59ef924c6800 [ 57.467265][ T4431] x8 : 178b59ef924c6800 x7 : 0000000000000001 x6 : 0000000000000001 [ 57.469594][ T4431] x5 : ffff80001e5b6bd8 x4 : ffff800014b9f960 x3 : ffff8000085554d8 [ 57.471947][ T4431] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 57.474105][ T4431] Call trace: [ 57.474957][ T4431] btrfs_add_link+0x7ac/0xbcc [ 57.476181][ T4431] btrfs_create+0x42c/0x56c [ 57.477441][ T4431] path_openat+0xf18/0x26cc [ 57.478655][ T4431] do_filp_open+0x1a8/0x3b4 [ 57.479934][ T4431] do_sys_openat2+0x128/0x3e0 [ 57.481301][ T4431] __arm64_sys_openat+0x1f0/0x240 [ 57.482675][ T4431] invoke_syscall+0x98/0x2b8 [ 57.483973][ T4431] el0_svc_common+0x138/0x258 [ 57.485304][ T4431] do_el0_svc+0x58/0x14c [ 57.486473][ T4431] el0_svc+0x7c/0x1f0 [ 57.487569][ T4431] el0t_64_sync_handler+0x84/0xe4 [ 57.488935][ T4431] el0t_64_sync+0x1a0/0x1a4 [ 57.490193][ T4431] irq event stamp: 73844 [ 57.491328][ T4431] hardirqs last enabled at (73843): [] __up_console_sem+0xb4/0x100 [ 57.493905][ T4431] hardirqs last disabled at (73844): [] el1_dbg+0x24/0x80 [ 57.496248][ T4431] softirqs last enabled at (73834): [] handle_softirqs+0xb88/0xdbc [ 57.498912][ T4431] softirqs last disabled at (73791): [] __irq_exit_rcu+0x268/0x4d8 [ 57.501560][ T4431] ---[ end trace 6bd90bb3b04e0e2e ]--- [ 57.503204][ T4431] BTRFS: error (device loop0) in btrfs_add_link:6753: errno=-12 Out of memory [ 57.505501][ T4431] BTRFS info (device loop0): forced readonly executing program [ 57.792975][ T4451] loop0: detected capacity change from 0 to 32768 [ 57.897059][ T4451] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz-executor220 (4451) [ 57.940002][ T4451] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 57.942418][ T4451] BTRFS info (device loop0): setting nodatacow, compression disabled [ 57.944750][ T4451] BTRFS info (device loop0): setting datacow [ 57.946841][ T4451] BTRFS info (device loop0): doing ref verification [ 57.948636][ T4451] BTRFS info (device loop0): force clearing of disk cache [ 57.950473][ T4451] BTRFS info (device loop0): turning off barriers [ 57.952206][ T4451] BTRFS info (device loop0): use zlib compression, level 3 [ 57.954145][ T4451] BTRFS info (device loop0): using free space tree [ 57.955920][ T4451] BTRFS info (device loop0): has skinny extents [ 57.971415][ T4451] BTRFS info (device loop0): clearing free space tree [ 57.973181][ T4451] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.975780][ T4451] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.981551][ T4451] BTRFS info (device loop0): creating free space tree [ 57.984115][ T4451] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.986866][ T4451] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.993843][ T4451] FAULT_INJECTION: forcing a failure. [ 57.993843][ T4451] name failslab, interval 1, probability 0, space 0, times 0 [ 57.997410][ T4451] CPU: 1 PID: 4451 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 58.000152][ T4451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 58.002791][ T4451] Call trace: [ 58.003648][ T4451] dump_backtrace+0x0/0x530 [ 58.004899][ T4451] show_stack+0x2c/0x3c [ 58.006069][ T4451] dump_stack_lvl+0x108/0x170 [ 58.007376][ T4451] dump_stack+0x1c/0x58 [ 58.008632][ T4451] should_fail+0x3b8/0x514 [ 58.009858][ T4451] __should_failslab+0xbc/0x110 [ 58.011155][ T4451] should_failslab+0x10/0x28 [ 58.012693][ T4451] slab_pre_alloc_hook+0x64/0xe8 [ 58.014158][ T4451] kmem_cache_alloc+0x98/0x45c [ 58.015642][ T4451] btrfs_alloc_path+0x48/0x54 [ 58.016905][ T4451] btrfs_insert_dir_item+0x1bc/0x460 [ 58.018468][ T4451] btrfs_add_link+0x2fc/0xbcc [ 58.019744][ T4451] btrfs_create+0x42c/0x56c [ 58.021040][ T4451] path_openat+0xf18/0x26cc [ 58.022314][ T4451] do_filp_open+0x1a8/0x3b4 [ 58.023603][ T4451] do_sys_openat2+0x128/0x3e0 [ 58.024967][ T4451] __arm64_sys_openat+0x1f0/0x240 [ 58.026352][ T4451] invoke_syscall+0x98/0x2b8 [ 58.027610][ T4451] el0_svc_common+0x138/0x258 [ 58.028926][ T4451] do_el0_svc+0x58/0x14c [ 58.030210][ T4451] el0_svc+0x7c/0x1f0 [ 58.031304][ T4451] el0t_64_sync_handler+0x84/0xe4 [ 58.032686][ T4451] el0t_64_sync+0x1a0/0x1a4 [ 58.034160][ T4451] ------------[ cut here ]------------ [ 58.035924][ T4451] WARNING: CPU: 1 PID: 4451 at fs/btrfs/inode.c:6753 btrfs_add_link+0x7ac/0xbcc [ 58.038456][ T4451] Modules linked in: [ 58.039499][ T4451] CPU: 1 PID: 4451 Comm: syz-executor220 Tainted: G W 5.15.163-syzkaller #0 [ 58.042209][ T4451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 58.044998][ T4451] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 58.047217][ T4451] pc : btrfs_add_link+0x7ac/0xbcc [ 58.048551][ T4451] lr : btrfs_add_link+0x7ac/0xbcc [ 58.049901][ T4451] sp : ffff80001e5b7460 [ 58.051029][ T4451] x29: ffff80001e5b7560 x28: 0000000000000100 x27: 0000000000000108 [ 58.053249][ T4451] x26: 00000000fffffff4 x25: 0000000000000000 x24: ffff700003cb6e94 [ 58.055527][ T4451] x23: dfff800000000000 x22: 00000000fffffff4 x21: ffff0000e28a2c60 [ 58.057795][ T4451] x20: 1fffe0001c514597 x19: ffff0000e28a2cb8 x18: 0000000000000001 [ 58.060049][ T4451] x17: 0000000000000000 x16: ffff800008335d0c x15: 00000000ffffffff [ 58.062291][ T4451] x14: ffff0000c86651c0 x13: 0000000000000001 x12: 0000000000000001 [ 58.064510][ T4451] x11: 0000000000000000 x10: 0000000000000000 x9 : f983b0db54213300 [ 58.066650][ T4451] x8 : f983b0db54213300 x7 : 0000000000000001 x6 : 0000000000000001 [ 58.068895][ T4451] x5 : ffff80001e5b6bd8 x4 : ffff800014b9f960 x3 : ffff800008335e58 [ 58.071038][ T4451] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 58.073348][ T4451] Call trace: [ 58.074234][ T4451] btrfs_add_link+0x7ac/0xbcc [ 58.075519][ T4451] btrfs_create+0x42c/0x56c [ 58.076734][ T4451] path_openat+0xf18/0x26cc [ 58.078002][ T4451] do_filp_open+0x1a8/0x3b4 [ 58.079209][ T4451] do_sys_openat2+0x128/0x3e0