BTRFS info (device loop2 state M): max_inline set to 4096 BTRFS info (device loop2): balance: start -s BTRFS info (device loop2): relocating block group 1048576 flags system ------------[ cut here ]------------ btrfs_abort_should_print_stack(__error) WARNING: fs/btrfs/volumes.c:3526 at btrfs_remove_chunk+0xc9b/0x1070 fs/btrfs/volumes.c:3526, CPU#0: syz.2.645/9356 Modules linked in: CPU: 0 UID: 0 PID: 9356 Comm: syz.2.645 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:btrfs_remove_chunk+0xc9b/0x1070 fs/btrfs/volumes.c:3526 Code: 24 fb 74 12 83 3c 24 f4 75 1a e8 90 1c c6 fd eb 1c e8 c9 2b ae 07 e8 84 1c c6 fd eb 10 e8 7d 1c c6 fd eb 09 e8 76 1c c6 fd 90 <0f> 0b 90 48 8b 04 24 89 c1 f7 d9 e9 43 fc ff ff 44 89 f1 80 e1 07 RSP: 0018:ffffc900030e7960 EFLAGS: 00010287 RAX: ffffffff8400183a RBX: ffffffffffffffe4 RCX: 0000000000080000 RDX: ffffc90004389000 RSI: 00000000000282bd RDI: 00000000000282be RBP: ffffc900030e7a98 R08: ffff8880353cdd00 R09: 0000000000000003 R10: 00000000fffffffb R11: 0000000000000002 R12: 1ffff9200061cf3c R13: ffff888077b68000 R14: ffff888077b68001 R15: dffffc0000000000 FS: 00007f81121186c0(0000) GS:ffff888125253000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f360d74da08 CR3: 000000003536b000 CR4: 0000000000350ef0 Call Trace: btrfs_relocate_chunk_finish fs/btrfs/volumes.c:3614 [inline] btrfs_relocate_chunk+0x3e5/0x810 fs/btrfs/volumes.c:3668 __btrfs_balance+0x1b5f/0x29d0 fs/btrfs/volumes.c:4586 btrfs_balance+0xaa6/0x1180 fs/btrfs/volumes.c:4973 btrfs_ioctl_balance+0x3da/0x640 fs/btrfs/ioctl.c:3474 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f811119ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8112118028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8111415fa0 RCX: 00007f811119ce59 RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000005 RBP: 00007f8111232e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8111416038 R14: 00007f8111415fa0 R15: 00007fff69a806b8