RBP: 0000000020000180 R08: 00007f9793968f80 R09: 0000000001a404ac
R10: 0000000001a404ac R11: 0000000000000202 R12: 0000000020000100
R13: 00007f9793968f40 R14: 0000000000000000 R15: 00000000200030c0
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:3439!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 29024 Comm: syz-executor.3 Not tainted 6.7.0-rc5-syzkaller-00030-geaadbbaaff74 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:btrfs_free_tree_block+0x7e4/0xbe0 fs/btrfs/extent-tree.c:3439
Code: fc fd 31 ff 89 c5 89 c6 e8 e9 bc 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 ab c1 13 fe 90 0f 0b 90 e9 d8 fb ff ff e8 9d c1 13 fe 90 <0f> 0b e8 95 c1 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000a1075d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88807c3ea3b0 RCX: ffffc9000b09b000
RDX: 0000000000040000 RSI: ffffffff8372bf13 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff88803f955898
R13: ffff88807c3ea3b8 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007f97939696c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc763fbf28 CR3: 0000000015abc000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 btrfs_force_cow_block+0xfe3/0x19e0 fs/btrfs/ctree.c:618
 btrfs_cow_block+0x2b6/0xb30 fs/btrfs/ctree.c:741
 commit_cowonly_roots+0x18b/0xa60 fs/btrfs/transaction.c:1380
 btrfs_commit_transaction+0x1382/0x3b40 fs/btrfs/transaction.c:2487
 btrfs_sync_fs+0x130/0x770 fs/btrfs/super.c:1188
 sync_filesystem+0x1c5/0x280 fs/sync.c:66
 btrfs_remount+0x1ff/0x17b0 fs/btrfs/super.c:1652
 legacy_reconfigure+0x119/0x180 fs/fs_context.c:685
 reconfigure_super+0x44f/0xb10 fs/super.c:1143
 do_remount fs/namespace.c:2884 [inline]
 path_mount+0x16f2/0x1ed0 fs/namespace.c:3656
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount fs/namespace.c:3863 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f9792c7e2aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9793968ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9793968f80 RCX: 00007f9792c7e2aa
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 0000000020000180 R08: 00007f9793968f80 R09: 0000000001a404ac
R10: 0000000001a404ac R11: 0000000000000202 R12: 0000000020000100
R13: 00007f9793968f40 R14: 0000000000000000 R15: 00000000200030c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_free_tree_block+0x7e4/0xbe0 fs/btrfs/extent-tree.c:3439
Code: fc fd 31 ff 89 c5 89 c6 e8 e9 bc 13 fe 40 84 ed 0f 85 e6 fb ff ff e8 ab c1 13 fe 90 0f 0b 90 e9 d8 fb ff ff e8 9d c1 13 fe 90 <0f> 0b e8 95 c1 13 fe 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000a1075d0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88807c3ea3b0 RCX: ffffc9000b09b000
RDX: 0000000000040000 RSI: ffffffff8372bf13 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff88803f955898
R13: ffff88807c3ea3b8 R14: 00000000fffffff4 R15: 0000000000000001
FS:  00007f97939696c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557c4124d0d0 CR3: 0000000015abc000 CR4: 00000000003506f0