------------[ cut here ]------------ BTRFS: Transaction aborted (error -2) WARNING: CPU: 1 PID: 42 at fs/btrfs/extent-tree.c:3017 do_free_extent_accounting fs/btrfs/extent-tree.c:3017 [inline] WARNING: CPU: 1 PID: 42 at fs/btrfs/extent-tree.c:3017 __btrfs_free_extent+0x286c/0x3180 fs/btrfs/extent-tree.c:3391 Modules linked in: CPU: 1 PID: 42 Comm: kworker/u8:3 Not tainted 6.9.0-rc4-syzkaller-g6a71d2909427 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_unbound btrfs_async_reclaim_metadata_space pstate: 60401005 (nZCv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : do_free_extent_accounting fs/btrfs/extent-tree.c:3017 [inline] pc : __btrfs_free_extent+0x286c/0x3180 fs/btrfs/extent-tree.c:3391 lr : do_free_extent_accounting fs/btrfs/extent-tree.c:3017 [inline] lr : __btrfs_free_extent+0x286c/0x3180 fs/btrfs/extent-tree.c:3391 sp : ffff800095287220 x29: ffff8000952873e0 x28: 0000000000000191 x27: ffff0000dbe45d18 x26: 00000000fffffffe x25: dfff800000000000 x24: ffff700012a50e60 x23: ffff0000dbe45cb8 x22: dfff800000000000 x21: ffff0000f6b56420 x20: 0000000000000000 x19: 0000000000000000 x18: 1fffe000367bdd96 x17: ffff80008ee7d000 x16: ffff800080333fec x15: 0000000000000001 x14: 1fffe000367c0990 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : e7d67835bea7bf00 x8 : e7d67835bea7bf00 x7 : ffff8000802aabc8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afdfb40 x0 : ffff80012501d000 Call trace: do_free_extent_accounting fs/btrfs/extent-tree.c:3017 [inline] __btrfs_free_extent+0x286c/0x3180 fs/btrfs/extent-tree.c:3391 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:2062 [inline] __btrfs_run_delayed_refs+0x1040/0x3d8c fs/btrfs/extent-tree.c:2132 btrfs_run_delayed_refs+0xc4/0x2bc fs/btrfs/extent-tree.c:2244 flush_space+0x1e0/0xc78 btrfs_async_reclaim_metadata_space+0x260/0x30c fs/btrfs/space-info.c:1088 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3416 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 2004574 hardirqs last enabled at (2004573): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline] hardirqs last enabled at (2004573): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163 hardirqs last disabled at (2004574): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (2004446): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (2004446): [] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471 softirqs last disabled at (2004444): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (2004444): [] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- BTRFS: error (device loop3: state A) in do_free_extent_accounting:3017: errno=-2 No such entry BTRFS info (device loop3: state EA): forced readonly BTRFS error (device loop3: state EA): failed to run delayed ref for logical 5365760 num_bytes 4096 type 176 action 2 ref_mod 1: -2 BTRFS: error (device loop3: state EA) in btrfs_run_delayed_refs:2246: errno=-2 No such entry