------------[ cut here ]------------
WARNING: CPU: 0 PID: 5346 at fs/btrfs/transaction.c:2020 cleanup_transaction fs/btrfs/transaction.c:2020 [inline]
WARNING: CPU: 0 PID: 5346 at fs/btrfs/transaction.c:2020 btrfs_commit_transaction+0x24fe/0x3440 fs/btrfs/transaction.c:2528
Modules linked in:
CPU: 0 PID: 5346 Comm: syz.2.211 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2020 [inline]
RIP: 0010:btrfs_commit_transaction+0x24fe/0x3440 fs/btrfs/transaction.c:2528
Code: e1 3a fe eb 05 e8 b2 e1 3a fe 0f 1f 44 00 00 e8 a8 e1 3a fe eb 16 e8 a1 e1 3a fe 48 c7 c7 40 19 4b 8a 44 89 e6 e8 72 3d 5a 06 <0f> 0b 4c 89 f7 48 c7 c6 40 1b 4b 8a ba e4 07 00 00 44 89 e1 e8 19
RSP: 0018:ffffc90003567800 EFLAGS: 00010246
RAX: a0cb4af811045400 RBX: ffff8880227a8001 RCX: 0000000000080000
RDX: ffffc90005c61000 RSI: 000000000000a44e RDI: 000000000000a44f
RBP: ffffc90003567af0 R08: dffffc0000000000 R09: ffffed1017204f2c
R10: ffffed1017204f2c R11: 1ffff11017204f2b R12: 00000000ffffffe4
R13: dffffc0000000000 R14: ffff888060232160 R15: ffff8880602321b8
FS:  00007f77798c56c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86b7838198 CR3: 00000000555d1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_set_free_space_cache_v1_active+0x6a/0x1c0 fs/btrfs/free-space-cache.c:4001
 btrfs_remount_cleanup fs/btrfs/super.c:1913 [inline]
 btrfs_remount+0x6b8/0x15b0 fs/btrfs/super.c:2116
 reconfigure_super+0x219/0x880 fs/super.c:938
 do_remount fs/namespace.c:2697 [inline]
 path_mount+0xd3e/0x1020 fs/namespace.c:3356
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f777b65e749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77798c5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f777b8b4fa0 RCX: 00007f777b65e749
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000000
RBP: 00007f777b6e2f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002390024 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f777b8b5038 R14: 00007f777b8b4fa0 R15: 00007fffb780aa68
 </TASK>