BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
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WARNING: CPU: 0 PID: 8043 at fs/btrfs/volumes.c:3259 btrfs_remove_chunk+0x14a2/0x19c0 fs/btrfs/volumes.c:3259
Modules linked in:
CPU: 0 PID: 8043 Comm: syz.4.392 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:btrfs_remove_chunk+0x14a2/0x19c0 fs/btrfs/volumes.c:3259
Code: e9 5b fb ff ff e8 8e 8b 30 fe 0f 1f 44 00 00 e8 84 8b 30 fe eb 16 e8 7d 8b 30 fe 48 c7 c7 80 76 4b 8a 44 89 f6 e8 0e 29 57 06 <0f> 0b 4c 89 e7 48 c7 c6 e0 79 4b 8a ba bb 0c 00 00 e9 20 fb ff ff
RSP: 0018:ffffc9000cc9f920 EFLAGS: 00010246
RAX: b6ba955e28773c00 RBX: ffff88805b7b4001 RCX: ffff88801d430000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc9000cc9fad8 R08: dffffc0000000000 R09: ffffed1017204f2c
R10: ffffed1017204f2c R11: 1ffff11017204f2b R12: ffff88806f4cc000
R13: dffffc0000000000 R14: ffffffffffffffe4 R15: 1ffff11004585dc0
FS:  00007f702acb16c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9142036000 CR3: 00000000221b7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x1f5/0x290 fs/btrfs/volumes.c:3376
 __btrfs_balance+0x1641/0x2250 fs/btrfs/volumes.c:4079
 btrfs_balance+0xd89/0x1520 fs/btrfs/volumes.c:4469
 btrfs_ioctl_balance+0x674/0x810 fs/btrfs/ioctl.c:4152
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f702b641c29
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:00007f702acb1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f702b888fa0 RCX: 00007f702b641c29
RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007f702b6c4e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f702b889038 R14: 00007f702b888fa0 R15: 00007ffe73bc7228
 </TASK>