BTRFS info (device loop3): relocating block group 6881280 flags data|metadata ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7445 at fs/btrfs/relocation.c:4152 btrfs_relocate_block_group+0xcb8/0xd70 Modules linked in: CPU: 1 PID: 7445 Comm: syz-executor.3 Not tainted 6.5.0-rc7-syzkaller-00018-g89bf6209cad6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:btrfs_relocate_block_group+0xcb8/0xd70 fs/btrfs/relocation.c:4152 Code: e8 1d e9 1b 07 e9 2a ff ff ff e8 d3 64 ec fd 4c 8b 64 24 18 e9 67 fe ff ff e8 c4 64 ec fd 0f 0b e9 84 fd ff ff e8 b8 64 ec fd <0f> 0b e9 d7 fd ff ff e8 ac 64 ec fd 0f 0b e9 2a fe ff ff 44 89 e1 RSP: 0018:ffffc900071b7a28 EFLAGS: 00010293 RAX: ffffffff839f5378 RBX: 0000000000190000 RCX: ffff88807e529dc0 RDX: 0000000000000000 RSI: 0000000000190000 RDI: 0000000000000000 RBP: ffff888022883068 R08: ffffffff839f5148 R09: 1ffff92000e36f34 R10: dffffc0000000000 R11: fffff52000e36f35 R12: ffff888023434000 R13: 0000000000000000 R14: ffff888023ba8000 R15: ffff888023ba8010 FS: 00007fbd3c7fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f10cf8b2000 CR3: 0000000024670000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3283 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:4018 btrfs_balance+0xbd8/0x10d0 fs/btrfs/volumes.c:4395 btrfs_ioctl_balance+0x496/0x7c0 fs/btrfs/ioctl.c:3604 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbd4487c959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbd3c7fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fbd4499c050 RCX: 00007fbd4487c959 RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007fbd448d8c88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fbd4499c050 R15: 00007fffe6ad13d8