BTRFS info (device loop1): balance: start -d -m
BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
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WARNING: CPU: 1 PID: 3955 at fs/btrfs/relocation.c:4093 btrfs_relocate_block_group+0xc23/0xcb0
Modules linked in:
CPU: 1 PID: 3955 Comm: syz-executor228 Not tainted 5.15.117-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:btrfs_relocate_block_group+0xc23/0xcb0 fs/btrfs/relocation.c:4093
Code: bc 83 ff ff ff e9 5d fe ff ff e8 c8 13 0e fe 4c 8b 6c 24 28 e9 f1 fd ff ff e8 b9 13 0e fe 0f 0b e9 16 fd ff ff e8 ad 13 0e fe <0f> 0b e9 65 fd ff ff e8 a1 13 0e fe 0f 0b e9 b4 fd ff ff 44 89 f9
RSP: 0018:ffffc9000451fa48 EFLAGS: 00010293
RAX: ffffffff8371e5a3 RBX: 1ffff1100338b200 RCX: ffff88807e4a8000
RDX: 0000000000000000 RSI: 0000000000190000 RDI: 0000000000000000
RBP: 0000000000190000 R08: ffffffff8371e301 R09: fffff520008a3f39
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888019c59000 R14: ffff888019fa4010 R15: 1ffff1100338b2cd
FS:  00007efd7d1b3700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd7c3fc000 CR3: 000000001d782000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0xac/0x270 fs/btrfs/volumes.c:3280
 __btrfs_balance+0x185e/0x27c0 fs/btrfs/volumes.c:4010
 btrfs_balance+0xd40/0x14a0 fs/btrfs/volumes.c:4400
 btrfs_ioctl_balance+0x643/0x7d0 fs/btrfs/ioctl.c:4130
 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+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efd84629089
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efd7d1b32f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efd846b37f0 RCX: 00007efd84629089
RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000005
RBP: 00007efd846804ac R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
R13: 61635f7261656c63 R14: 0100000000008001 R15: 00007efd846b37f8
 </TASK>