BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop0): balance: start -d -m -s
BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5036 at fs/btrfs/volumes.c:3253 btrfs_remove_chunk+0x1575/0x1aa0 fs/btrfs/volumes.c:3253
Modules linked in:
CPU: 0 PID: 5036 Comm: syz.0.17 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:btrfs_remove_chunk+0x1575/0x1aa0 fs/btrfs/volumes.c:3253
Code: ff e8 8f 84 0a fe 4c 8b 24 24 0f 1f 44 00 00 e8 81 84 0a fe eb 16 e8 7a 84 0a fe 48 c7 c7 c0 c2 eb 8a 44 89 f6 e8 7b 19 d6 fd <0f> 0b 4c 89 e7 48 c7 c6 20 c6 eb 8a ba b5 0c 00 00 e9 90 fa ff ff
RSP: 0018:ffffc9000120f920 EFLAGS: 00010246
RAX: fd194520d2a66f00 RBX: 0000000000000000 RCX: ffff88802a295940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000120fad8 R08: ffffffff8166be4c R09: ffffed10171c4f24
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888071c6ca50
R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff888078d9c001
FS:  00007ff349da26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562d4ce63668 CR3: 000000007d3d0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x1ce/0x270 fs/btrfs/volumes.c:3370
 __btrfs_balance+0x185e/0x27c0 fs/btrfs/volumes.c:4073
 btrfs_balance+0xd40/0x14a0 fs/btrfs/volumes.c:4463
 btrfs_ioctl_balance+0x643/0x7d0 fs/btrfs/ioctl.c:4152
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff34ab31169
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:00007ff349da2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ff34ad49fa0 RCX: 00007ff34ab31169
RDX: 0000000000000000 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007ff34abb22a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff34ad49fa0 R15: 00007fffb489b708
 </TASK>