Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts. executing program [ 56.662823][ T4024] loop0: detected capacity change from 0 to 32768 [ 56.737481][ T4024] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor385 (4024) [ 56.797726][ T4024] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 56.800162][ T4024] BTRFS info (device loop0): using free space tree [ 56.801851][ T4024] BTRFS info (device loop0): has skinny extents [ 56.820094][ T4024] BTRFS info (device loop0): enabling ssd optimizations [ 56.834913][ T4024] FAULT_INJECTION: forcing a failure. [ 56.834913][ T4024] name failslab, interval 1, probability 0, space 0, times 1 [ 56.838568][ T4024] CPU: 0 PID: 4024 Comm: syz-executor385 Not tainted 5.15.167-syzkaller #0 [ 56.840698][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 56.843291][ T4024] Call trace: [ 56.844150][ T4024] dump_backtrace+0x0/0x530 [ 56.845262][ T4024] show_stack+0x2c/0x3c [ 56.846210][ T4024] dump_stack_lvl+0x108/0x170 [ 56.847465][ T4024] dump_stack+0x1c/0x58 [ 56.848529][ T4024] should_fail+0x3b8/0x514 [ 56.849737][ T4024] __should_failslab+0xbc/0x110 [ 56.851040][ T4024] should_failslab+0x10/0x28 [ 56.852271][ T4024] slab_pre_alloc_hook+0x64/0xe8 [ 56.853615][ T4024] kmem_cache_alloc_trace+0x9c/0x47c [ 56.855066][ T4024] btrfs_delete_delayed_dir_index+0x270/0x5ec [ 56.856697][ T4024] __btrfs_unlink_inode+0x350/0xb3c [ 56.858125][ T4024] btrfs_unlink+0x10c/0x254 [ 56.859316][ T4024] vfs_unlink+0x2f0/0x508 [ 56.860452][ T4024] do_unlinkat+0x4cc/0x830 [ 56.861665][ T4024] __arm64_sys_unlinkat+0xcc/0xfc [ 56.863022][ T4024] invoke_syscall+0x98/0x2b8 [ 56.863990][ T4024] el0_svc_common+0x138/0x258 [ 56.865176][ T4024] do_el0_svc+0x58/0x14c [ 56.866319][ T4024] el0_svc+0x7c/0x1f0 [ 56.867402][ T4024] el0t_64_sync_handler+0x84/0xe4 [ 56.868748][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 56.872853][ T4024] ------------[ cut here ]------------ [ 56.874626][ T4024] WARNING: CPU: 0 PID: 4024 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x950/0xb3c [ 56.877149][ T4024] Modules linked in: [ 56.878204][ T4024] CPU: 0 PID: 4024 Comm: syz-executor385 Not tainted 5.15.167-syzkaller #0 [ 56.880516][ T4024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 56.883083][ T4024] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 56.884848][ T4024] pc : __btrfs_unlink_inode+0x950/0xb3c [ 56.886346][ T4024] lr : __btrfs_unlink_inode+0x950/0xb3c [ 56.887845][ T4024] sp : ffff8000200d79c0 [ 56.888955][ T4024] x29: ffff8000200d7a60 x28: ffff8000200d7a20 x27: 1ffff0000401af40 [ 56.891110][ T4024] x26: 0000000000000104 x25: 00000000fffffff4 x24: ffff0000d5914f20 [ 56.893221][ T4024] x23: ffff0000dbe000b0 x22: 1ffff0000401af44 x21: dfff800000000000 [ 56.895251][ T4024] x20: 1fffe0001b7c0021 x19: ffff0000dbe00108 x18: 0000000000000001 [ 56.897414][ T4024] x17: 0000000000000000 x16: ffff800011ac23e0 x15: 00000000ffffffff [ 56.899569][ T4024] x14: ffff0000ccb21b40 x13: 0000000000000001 x12: 0000000000000001 [ 56.901489][ T4024] x11: 0000000000000000 x10: 0000000000000000 x9 : 49f2997804009200 [ 56.903638][ T4024] x8 : 49f2997804009200 x7 : 0000000000000001 x6 : 0000000000000001 [ 56.905816][ T4024] x5 : ffff8000200d7138 x4 : ffff800014b9fae0 x3 : ffff800008557c4c [ 56.907990][ T4024] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 56.910052][ T4024] Call trace: [ 56.910935][ T4024] __btrfs_unlink_inode+0x950/0xb3c [ 56.912205][ T4024] btrfs_unlink+0x10c/0x254 [ 56.913442][ T4024] vfs_unlink+0x2f0/0x508 [ 56.914602][ T4024] do_unlinkat+0x4cc/0x830 [ 56.915800][ T4024] __arm64_sys_unlinkat+0xcc/0xfc [ 56.917166][ T4024] invoke_syscall+0x98/0x2b8 [ 56.918437][ T4024] el0_svc_common+0x138/0x258 [ 56.919583][ T4024] do_el0_svc+0x58/0x14c [ 56.920787][ T4024] el0_svc+0x7c/0x1f0 [ 56.921854][ T4024] el0t_64_sync_handler+0x84/0xe4 [ 56.923216][ T4024] el0t_64_sync+0x1a0/0x1a4 [ 56.924400][ T4024] irq event stamp: 86080 [ 56.925521][ T4024] hardirqs last enabled at (86079): [] __up_console_sem+0xb4/0x100 [ 56.928017][ T4024] hardirqs last disabled at (86080): [] el1_dbg+0x24/0x80 [ 56.930037][ T4024] softirqs last enabled at (86060): [] handle_softirqs+0xb88/0xdbc [ 56.932608][ T4024] softirqs last disabled at (85961): [] __irq_exit_rcu+0x268/0x4d8 [ 56.935168][ T4024] ---[ end trace 521860bb0a8358a2 ]--- [ 56.937677][ T4024] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 56.940135][ T4024] BTRFS info (device loop0): forced readonly