Fixed bug #55750 (memory copy issue in sysvshm extension).

diff --git a/ext/sysvshm/sysvshm.c b/ext/sysvshm/sysvshm.c
index 33b1070325a6e090c498827a2f534c49581cbfd4..781c856ec92e8c63e01cb51515a3aeb357169a27 100644 (file)
--- a/ext/sysvshm/sysvshm.c
+++ b/ext/sysvshm/sysvshm.c
@@ -424,7 +424,7 @@ static int php_remove_shm_data(sysvshm_chunk_head *ptr, long shm_varpos)
        ptr->free += chunk_ptr->next;
        ptr->end -= chunk_ptr->next;
        if (memcpy_len > 0) {
-               memcpy(chunk_ptr, next_chunk_ptr, memcpy_len);
+               memmove(chunk_ptr, next_chunk_ptr, memcpy_len);
        }
        return 0;
 }