BTRFS info (device loop3): 0 blocks of free space at or bigger than bytes is ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4343 at fs/btrfs/volumes.c:3253 btrfs_remove_chunk+0x1322/0x1840 fs/btrfs/volumes.c:3253 Modules linked in: CPU: 0 PID: 4343 Comm: syz.3.14 Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:btrfs_remove_chunk+0x1322/0x1840 fs/btrfs/volumes.c:3253 Code: e9 5b fb ff ff e8 fe da 2f fe 0f 1f 44 00 00 e8 f4 da 2f fe eb 16 e8 ed da 2f fe 48 c7 c7 80 7c 4b 8a 44 89 f6 e8 8e 81 4e 06 <0f> 0b 4c 89 e7 48 c7 c6 e0 7f 4b 8a ba b5 0c 00 00 e9 20 fb ff ff RSP: 0018:ffffc900039b7920 EFLAGS: 00010246 RAX: eaa6d13ad1527b00 RBX: ffff888063724001 RCX: 0000000000080000 RDX: ffffc9000ca31000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc900039b7ad8 R08: dffffc0000000000 R09: ffffed1017204f24 R10: ffffed1017204f24 R11: 1ffff11017204f23 R12: ffff8880602f8000 R13: dffffc0000000000 R14: ffffffffffffffe4 R15: 1ffff1100c289b60 FS: 00007fe3297126c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6f54267000 CR3: 0000000020049000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_relocate_chunk+0x1f5/0x290 fs/btrfs/volumes.c:3370 __btrfs_balance+0x1641/0x2250 fs/btrfs/volumes.c:4073 btrfs_balance+0xd89/0x1520 fs/btrfs/volumes.c:4463 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: 0033:0x7fe32b8aa969 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:00007fe329712038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe32bad1fa0 RCX: 00007fe32b8aa969 RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000007 RBP: 00007fe32b92cab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe32bad1fa0 R15: 00007fff05178fa8