BTRFS info (device loop0): setting incompat feature flag for SIMPLE_QUOTA (0x10000) ------------[ cut here ]------------ BTRFS: Transaction aborted (error -2) WARNING: CPU: 1 PID: 6509 at fs/btrfs/extent-tree.c:2984 do_free_extent_accounting fs/btrfs/extent-tree.c:2984 [inline] WARNING: CPU: 1 PID: 6509 at fs/btrfs/extent-tree.c:2984 __btrfs_free_extent+0x28d8/0x31f8 fs/btrfs/extent-tree.c:3358 Modules linked in: CPU: 1 PID: 6509 Comm: syz.0.12 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : do_free_extent_accounting fs/btrfs/extent-tree.c:2984 [inline] pc : __btrfs_free_extent+0x28d8/0x31f8 fs/btrfs/extent-tree.c:3358 lr : do_free_extent_accounting fs/btrfs/extent-tree.c:2984 [inline] lr : __btrfs_free_extent+0x28d8/0x31f8 fs/btrfs/extent-tree.c:3358 sp : ffff8000acef6f80 x29: ffff8000acef7120 x28: ffff0000dbf86878 x27: 00000000fffffffe x26: ffff0000dbf86818 x25: ffff8000acef70c0 x24: ffff7000159dee08 x23: dfff800000000000 x22: dfff800000000000 x21: ffff0000d6e39c60 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe000367a85de x17: ffff80008f2dd000 x16: ffff80008032d32c x15: 0000000000000001 x14: 1fffe000367ab200 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : e867c67896277900 x8 : e867c67896277900 x7 : ffff8000802a3bb0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008b2c0360 x0 : ffff800124b1b000 Call trace: do_free_extent_accounting fs/btrfs/extent-tree.c:2984 [inline] __btrfs_free_extent+0x28d8/0x31f8 fs/btrfs/extent-tree.c:3358 run_delayed_tree_ref fs/btrfs/extent-tree.c:1736 [inline] run_one_delayed_ref fs/btrfs/extent-tree.c:1762 [inline] btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2027 [inline] __btrfs_run_delayed_refs+0xd0c/0x3cbc fs/btrfs/extent-tree.c:2097 btrfs_run_delayed_refs+0xc4/0x2bc fs/btrfs/extent-tree.c:2209 btrfs_commit_transaction+0x220/0x2ba8 fs/btrfs/transaction.c:2179 btrfs_sync_fs+0x534/0xad8 fs/btrfs/super.c:1014 sync_filesystem+0x1a0/0x218 fs/sync.c:66 btrfs_reconfigure+0x238/0x231c fs/btrfs/super.c:1473 reconfigure_super+0x1d0/0x6f0 fs/super.c:1072 do_remount fs/namespace.c:2892 [inline] path_mount+0xc0c/0xe04 fs/namespace.c:3671 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __arm64_sys_mount+0x3c4/0x488 fs/namespace.c:3875 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 75848 hardirqs last enabled at (75847): [<ffff8000802a3c50>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline] hardirqs last enabled at (75847): [<ffff8000802a3c50>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162 hardirqs last disabled at (75848): [<ffff80008b13d724>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (75826): [<ffff8000801e2570>] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (75826): [<ffff8000801e2570>] handle_softirqs+0xa3c/0xbfc kernel/softirq.c:582 softirqs last disabled at (75807): [<ffff800080020de8>] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop0 state A) in do_free_extent_accounting:2984: errno=-2 No such entry BTRFS info (device loop0 state EA): forced readonly BTRFS error (device loop0 state EA): failed to run delayed ref for logical 5361664 num_bytes 4096 type 176 action 2 ref_mod 1: -2 BTRFS: error (device loop0 state EA) in btrfs_run_delayed_refs:2211: errno=-2 No such entry BTRFS error (device loop0 state EMA): remounting read-write after error is not allowed