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
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:3452!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6666 Comm: syz.3.35 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_free_tree_block+0xbf4/0xc00 fs/btrfs/extent-tree.c:3452
lr : btrfs_free_tree_block+0xbf4/0xc00 fs/btrfs/extent-tree.c:3452
sp : ffff80009e5b67c0
x29: ffff80009e5b68c0 x28: ffff700013cb6d00 x27: ffff0000d119c000
x26: ffff0000c25ee5a0 x25: ffff0000d119c064 x24: 00000000fffffff4
x23: 0000000000000001 x22: 0000000000000002 x21: ffff80008ec72198
x20: ffff0000dba54128 x19: dfff800000000000 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008032d32c x15: 0000000000000001
x14: 1ffff00011f742ae x13: 0000000000000000 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cd653c80 x7 : ffff80008005dba0 x6 : ffff80008005dd9c
x5 : ffff0000cf29dc70 x4 : ffff80009e5b6350 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 00000000fffffff4 x0 : 0000000000000000
Call trace:
 btrfs_free_tree_block+0xbf4/0xc00 fs/btrfs/extent-tree.c:3452
 btrfs_force_cow_block+0xea8/0x1a58 fs/btrfs/ctree.c:623
 btrfs_cow_block+0x318/0xa28 fs/btrfs/ctree.c:746
 btrfs_search_slot+0xba0/0x2a08
 lookup_inline_extent_backref+0x318/0x11cc fs/btrfs/extent-tree.c:823
 lookup_extent_backref fs/btrfs/extent-tree.c:1055 [inline]
 __btrfs_free_extent+0x378/0x31f8 fs/btrfs/extent-tree.c:3115
 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
Code: 5281aee3 9576583d d4210000 978ec715 (d4210000) 
---[ end trace 0000000000000000 ]---