BTRFS critical (device loop0): entry offset 6893568, bytes 1626112, bitmap no
BTRFS info (device loop0): block group has cluster?: no
BTRFS info (device loop0): 1 free space entries at or bigger than 4096 bytes
BTRFS info (device loop0): 3215360 bytes available across all block groups
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 7851 at fs/btrfs/block-group.c:2796 btrfs_create_pending_block_groups+0x1150/0x1780 fs/btrfs/block-group.c:2796
Modules linked in:
CPU: 0 UID: 0 PID: 7851 Comm: syz.0.577 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:btrfs_create_pending_block_groups+0x1150/0x1780 fs/btrfs/block-group.c:2796
Code: 00 e8 54 a4 b6 fd 84 c0 74 29 e8 7b 08 d0 fd e9 fd 01 00 00 e8 71 08 d0 fd 90 48 c7 c7 a0 89 90 8b 44 89 f6 e8 e1 78 93 fd 90 <0f> 0b 90 90 e9 e5 fd ff ff e8 32 9e 44 07 41 89 c7 31 ff 89 c6 e8
RSP: 0018:ffffc90003f2f6e0 EFLAGS: 00010246
RAX: e15d88e764822700 RBX: ffff888031b04001 RCX: 0000000000080000
RDX: ffffc900049d2000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003f2f948 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1b7a224 R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88807dc92000
FS:  00007f70b3eca6c0(0000) GS:ffff888126396000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc8573156c0 CR3: 0000000023bce000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1071
 btrfs_inc_block_group_ro+0x641/0x6f0 fs/btrfs/block-group.c:3092
 btrfs_relocate_block_group+0x3f1/0xc60 fs/btrfs/relocation.c:3935
 btrfs_relocate_chunk+0x12f/0x5c0 fs/btrfs/volumes.c:3451
 __btrfs_balance+0x1860/0x23f0 fs/btrfs/volumes.c:4227
 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4604
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3577
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f70b2f8eec9
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:00007f70b3eca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f70b31e5fa0 RCX: 00007f70b2f8eec9
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007f70b3011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70b31e6038 R14: 00007f70b31e5fa0 R15: 00007ffe59445978
 </TASK>