BTRFS info (device loop5): has skinny extents BTRFS error (device loop5): unrecognized mount option 'd' BTRFS warning (device loop5): Skipping commit of aborted transaction. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6807 at fs/btrfs/transaction.c:2020 cleanup_transaction fs/btrfs/transaction.c:2020 [inline] WARNING: CPU: 0 PID: 6807 at fs/btrfs/transaction.c:2020 btrfs_commit_transaction+0x1d6c/0x3044 fs/btrfs/transaction.c:2528 Modules linked in: CPU: 0 PID: 6807 Comm: syz.5.724 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : cleanup_transaction fs/btrfs/transaction.c:2020 [inline] pc : btrfs_commit_transaction+0x1d6c/0x3044 fs/btrfs/transaction.c:2528 lr : cleanup_transaction fs/btrfs/transaction.c:2020 [inline] lr : btrfs_commit_transaction+0x1d6c/0x3044 fs/btrfs/transaction.c:2528 sp : ffff800020cf7620 x29: ffff800020cf7860 x28: ffff70000419eedc x27: 1fffe0001b13522d x26: ffff0000e5a4b000 x25: 00000000ffffffe4 x24: ffff0000d89a9168 x23: ffff0000e9396318 x22: ffff0000e93962c0 x21: ffff0000f565c000 x20: 0000000000000006 x19: dfff800000000000 x18: 0000000000000001 x17: 0000000000000002 x16: ffff8000111a3970 x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000080000 x11: 000000000000ed67 x10: ffff80002a236000 x9 : ba75cfe5388ee300 x8 : ba75cfe5388ee300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020cf6f18 x4 : ffff80001422f280 x3 : ffff800008503848 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000026 Call trace: cleanup_transaction fs/btrfs/transaction.c:2020 [inline] btrfs_commit_transaction+0x1d6c/0x3044 fs/btrfs/transaction.c:2528 btrfs_set_free_space_cache_v1_active+0x78/0x23c fs/btrfs/free-space-cache.c:4001 btrfs_remount_cleanup fs/btrfs/super.c:1913 [inline] btrfs_remount+0x5ec/0x12b8 fs/btrfs/super.c:2116 legacy_reconfigure+0xf8/0x110 fs/fs_context.c:634 reconfigure_super+0x1d4/0x6f4 fs/super.c:938 do_remount fs/namespace.c:2669 [inline] path_mount+0xc80/0x1000 fs/namespace.c:3335 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount fs/namespace.c:3541 [inline] __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3541 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 84776 hardirqs last enabled at (84775): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (84776): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (84764): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (84764): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586 softirqs last disabled at (84423): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (84423): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (84423): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (84423): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641 ---[ end trace 7d5105a9b3a7e4f0 ]--- BTRFS: error (device loop5) in cleanup_transaction:2020: errno=-28 No space left