Warning: Permanently added '10.128.0.63' (ED25519) to the list of known hosts. executing program [ 44.673199][ T4019] loop0: detected capacity change from 0 to 32768 [ 44.749474][ T4019] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor351 (4019) [ 44.793989][ T4019] BTRFS info (device loop0): using crc32c (crc32c-generic) checksum algorithm [ 44.796045][ T4019] BTRFS info (device loop0): using free space tree [ 44.797413][ T4019] BTRFS info (device loop0): has skinny extents [ 44.815262][ T4019] BTRFS info (device loop0): enabling ssd optimizations [ 44.828923][ T4019] FAULT_INJECTION: forcing a failure. [ 44.828923][ T4019] name failslab, interval 1, probability 0, space 0, times 1 [ 44.831965][ T4019] CPU: 1 PID: 4019 Comm: syz-executor351 Not tainted 5.15.167-syzkaller #0 [ 44.833824][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 44.835916][ T4019] Call trace: [ 44.836566][ T4019] dump_backtrace+0x0/0x530 [ 44.837460][ T4019] show_stack+0x2c/0x3c [ 44.838325][ T4019] dump_stack_lvl+0x108/0x170 [ 44.839413][ T4019] dump_stack+0x1c/0x58 [ 44.840275][ T4019] should_fail+0x3b8/0x514 [ 44.841331][ T4019] __should_failslab+0xbc/0x110 [ 44.842322][ T4019] should_failslab+0x10/0x28 [ 44.843319][ T4019] slab_pre_alloc_hook+0x64/0xe8 [ 44.844389][ T4019] kmem_cache_alloc_trace+0x9c/0x47c [ 44.845512][ T4019] btrfs_delete_delayed_dir_index+0x270/0x5ec [ 44.846814][ T4019] __btrfs_unlink_inode+0x350/0xb3c [ 44.847913][ T4019] btrfs_unlink+0x10c/0x254 [ 44.848850][ T4019] vfs_unlink+0x2f0/0x508 [ 44.849761][ T4019] do_unlinkat+0x4cc/0x830 [ 44.850762][ T4019] __arm64_sys_unlinkat+0xcc/0xfc [ 44.851812][ T4019] invoke_syscall+0x98/0x2b8 [ 44.852738][ T4019] el0_svc_common+0x138/0x258 [ 44.853826][ T4019] do_el0_svc+0x58/0x14c [ 44.854753][ T4019] el0_svc+0x7c/0x1f0 [ 44.855663][ T4019] el0t_64_sync_handler+0x84/0xe4 [ 44.856790][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 44.859315][ T4019] ------------[ cut here ]------------ [ 44.860810][ T4019] WARNING: CPU: 1 PID: 4019 at fs/btrfs/inode.c:4167 __btrfs_unlink_inode+0x950/0xb3c [ 44.862771][ T4019] Modules linked in: [ 44.863497][ T4019] CPU: 1 PID: 4019 Comm: syz-executor351 Not tainted 5.15.167-syzkaller #0 [ 44.865382][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 44.867599][ T4019] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 44.869407][ T4019] pc : __btrfs_unlink_inode+0x950/0xb3c [ 44.870625][ T4019] lr : __btrfs_unlink_inode+0x950/0xb3c [ 44.871804][ T4019] sp : ffff80001fc379c0 [ 44.872774][ T4019] x29: ffff80001fc37a60 x28: ffff80001fc37a20 x27: 1ffff00003f86f40 [ 44.874423][ T4019] x26: 0000000000000104 x25: 00000000fffffff4 x24: ffff0000ca187f20 [ 44.876168][ T4019] x23: ffff0000d050a0b0 x22: 1ffff00003f86f44 x21: dfff800000000000 [ 44.877721][ T4019] x20: 1fffe0001a0a1421 x19: ffff0000d050a108 x18: 0000000000000001 [ 44.879476][ T4019] x17: 0000000000000000 x16: ffff800011ac23e0 x15: 00000000ffffffff [ 44.881144][ T4019] x14: ffff0000d4d53680 x13: 0000000000000001 x12: 0000000000000001 [ 44.882951][ T4019] x11: 0000000000000000 x10: 0000000000000000 x9 : 27fecdaf57979d00 [ 44.884721][ T4019] x8 : 27fecdaf57979d00 x7 : 0000000000000001 x6 : 0000000000000001 [ 44.886459][ T4019] x5 : ffff80001fc37138 x4 : ffff800014b9fae0 x3 : ffff800008557c4c [ 44.888363][ T4019] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 [ 44.890018][ T4019] Call trace: [ 44.890809][ T4019] __btrfs_unlink_inode+0x950/0xb3c [ 44.891936][ T4019] btrfs_unlink+0x10c/0x254 [ 44.892928][ T4019] vfs_unlink+0x2f0/0x508 [ 44.893855][ T4019] do_unlinkat+0x4cc/0x830 [ 44.894796][ T4019] __arm64_sys_unlinkat+0xcc/0xfc [ 44.895978][ T4019] invoke_syscall+0x98/0x2b8 [ 44.896977][ T4019] el0_svc_common+0x138/0x258 [ 44.897868][ T4019] do_el0_svc+0x58/0x14c [ 44.898790][ T4019] el0_svc+0x7c/0x1f0 [ 44.899715][ T4019] el0t_64_sync_handler+0x84/0xe4 [ 44.900726][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 44.901705][ T4019] irq event stamp: 87248 [ 44.902640][ T4019] hardirqs last enabled at (87247): [] __up_console_sem+0xb4/0x100 [ 44.904599][ T4019] hardirqs last disabled at (87248): [] el1_dbg+0x24/0x80 [ 44.906431][ T4019] softirqs last enabled at (87228): [] handle_softirqs+0xb88/0xdbc [ 44.908425][ T4019] softirqs last disabled at (87095): [] __irq_exit_rcu+0x268/0x4d8 [ 44.910581][ T4019] ---[ end trace 2668b369e56827e6 ]--- [ 44.911993][ T4019] BTRFS: error (device loop0) in __btrfs_unlink_inode:4167: errno=-12 Out of memory [ 44.913986][ T4019] BTRFS info (device loop0): forced readonly