don't pass NULL pointer to strdup()

darealshinji · Oct 31, 2023 · e8f835b · e8f835b
1 parent dcad007
commit e8f835b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/checkrt.c b/checkrt.c
@@ -237,7 +237,7 @@ char *find_symbol(mmap_t *mem, const char *sym_prefix)
         }
     }
 
-    return strdup(symbol);
+    return symbol ? strdup(symbol) : NULL;
 }
 
 /* mmap() library and look for symbol by prefix */