BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4395 at fs/btrfs/volumes.c:3259 btrfs_remove_chunk+0x1344/0x1870 fs/btrfs/volumes.c:3259
Modules linked in:
CPU: 1 PID: 4395 Comm: syz.1.2 Not tainted 6.1.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:btrfs_remove_chunk+0x1344/0x1870 fs/btrfs/volumes.c:3259
Code: 48 c7 c7 a0 27 b0 8a 44 89 f6 e8 47 bd df fd 0f 0b e9 8f fe ff ff e8 9b ab 13 fe 48 c7 c7 a0 27 b0 8a 44 89 f6 e8 2c bd df fd <0f> 0b e9 a9 fe ff ff e8 80 ab 13 fe 48 c7 c7 a0 27 b0 8a 44 89 f6
RSP: 0018:ffffc90002e87920 EFLAGS: 00010246
RAX: 9ac38e730e118e00 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d10a000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90002e87ad0 R08: dffffc0000000000 R09: ffffed10171e4f34
R10: ffffed10171e4f34 R11: 1ffff110171e4f33 R12: ffff888073f62c78
R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff88807d8f8001
FS:  00007fe1a19e66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffb1f83be9c CR3: 000000001eb99000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x296/0x3b0 fs/btrfs/volumes.c:3389
 __btrfs_balance+0x1894/0x21e0 fs/btrfs/volumes.c:4092
 btrfs_balance+0xcad/0x11b0 fs/btrfs/volumes.c:4468
 btrfs_ioctl_balance+0x49f/0x720 fs/btrfs/ioctl.c:4531
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe1a0b8e929
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:00007fe1a19e6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe1a0db5fa0 RCX: 00007fe1a0b8e929
RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000005
RBP: 00007fe1a0c10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe1a0db5fa0 R15: 00007ffc3978d6f8
 </TASK>