syzbot

BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): turning on async discard
BTRFS info (device loop0): enabling free space tree
BTRFS info (device loop0): balance: start -s
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 6053 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: 6053 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:btrfs_create_pending_block_groups+0x1150/0x1780 fs/btrfs/block-group.c:2796
Code: 00 e8 84 de bc fd 84 c0 74 29 e8 4b a0 d6 fd e9 fd 01 00 00 e8 41 a0 d6 fd 90 48 c7 c7 40 5c 30 8b 44 89 f6 e8 e1 e7 9a fd 90 <0f> 0b 90 90 e9 e5 fd ff ff e8 82 1b d8 06 41 89 c7 31 ff 89 c6 e8
RSP: 0018:ffffc90003be7700 EFLAGS: 00010246
RAX: 760f1be550ea2600 RBX: ffff888031844001 RCX: ffff88801c710000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003be7970 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed101710487b R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88803428c800
FS:  00005555911aa500(0000) GS:ffff888126dfc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc75b3df50 CR3: 0000000030d12000 CR4: 00000000003526f0
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+0x29d/0xba0 fs/btrfs/relocation.c:3936
 btrfs_relocate_chunk+0x12f/0x5d0 fs/btrfs/volumes.c:3451
 __btrfs_balance+0x186f/0x23f0 fs/btrfs/volumes.c:4227
 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4604
 btrfs_ioctl_balance+0x3d6/0x610 fs/btrfs/ioctl.c:3577
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f534cfbefc9
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:00007ffcc44f3b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f534d215fa0 RCX: 00007f534cfbefc9
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007f534d041f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f534d215fa0 R14: 00007f534d215fa0 R15: 0000000000000003
 </TASK>