BTRFS info (device loop1): balance: start -s
BTRFS info (device loop1): relocating block group 1048576 flags system
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 1 PID: 6741 at fs/btrfs/volumes.c:3362 btrfs_remove_chunk+0x15b6/0x18b0 fs/btrfs/volumes.c:3362
Modules linked in:
CPU: 1 PID: 6741 Comm: syz.1.239 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:btrfs_remove_chunk+0x15b6/0x18b0 fs/btrfs/volumes.c:3362
Code: 48 c7 c7 20 38 0d 8b 44 89 f6 e8 a5 c9 c4 fd 0f 0b e9 d4 fd ff ff e8 79 1b fb fd 48 c7 c7 20 38 0d 8b 44 89 f6 e8 8a c9 c4 fd <0f> 0b e9 1b fe ff ff e8 5e 1b fb fd 48 c7 c7 20 38 0d 8b 44 89 f6
RSP: 0018:ffffc90004c0f8c0 EFLAGS: 00010246
RAX: 823f459d2dcc6a00 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000caf1000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90004c0fab0 R08: ffffc90004c0f4c7 R09: 1ffff92000981e98
R10: dffffc0000000000 R11: fffff52000981e99 R12: dffffc0000000000
R13: ffff888031e9a150 R14: ffffffffffffffe4 R15: ffff888076a44001
FS:  00007fbfce6626c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb6b23556c8 CR3: 0000000075472000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x292/0x3b0 fs/btrfs/volumes.c:3492
 __btrfs_balance+0x1865/0x21e0 fs/btrfs/volumes.c:4203
 btrfs_balance+0xc57/0x1130 fs/btrfs/volumes.c:4580
 btrfs_ioctl_balance+0x48c/0x710 fs/btrfs/ioctl.c:3652
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbfcd79f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbfce662028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fbfcda25fa0 RCX: 00007fbfcd79f559
RDX: 0000200000021ec0 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007fbfcd836b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbfcda26038 R14: 00007fbfcda25fa0 R15: 00007ffe95abf9b8
 </TASK>