Fixed overlapping memcpy in emubd

Found by DanielLyubin
2019-07-16 15:23:42 -05:00
parent 31e28fddb7
commit 4ec4425272
1 changed files with 1 additions and 1 deletions
@@ -215,7 +215,7 @@ int lfs_emubd_prog(const struct lfs_config *cfg, lfs_block_t block,

    // update history and stats
    if (block != emu->history.blocks[0]) {
-        memcpy(&emu->history.blocks[1], &emu->history.blocks[0],
+        memmove(&emu->history.blocks[1], &emu->history.blocks[0],
                sizeof(emu->history) - sizeof(emu->history.blocks[0]));
        emu->history.blocks[0] = block;
    }