Avoid the call to OPENSSL_malloc with a negative value (then casted t…

…o unsigned) CLA: trivial Reviewed-by: Matt Caswell <[email protected]> Reviewed-by: Richard Levitte <[email protected]> Reviewed-by: Rich Salz <[email protected]> (Merged from openssl#2021)
npmccallum · Dec 10, 2016 · 210fe4e · 210fe4e
1 parent eb43101
commit 210fe4e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/crypto/dso/dso_lib.c b/crypto/dso/dso_lib.c
@@ -324,6 +324,9 @@ DSO *DSO_dsobyaddr(void *addr, int flags)
     char *filename = NULL;
     int len = DSO_pathbyaddr(addr, NULL, 0);
 
+    if (len < 0)
+        return NULL;
+
     filename = OPENSSL_malloc(len);
     if (filename != NULL
             && DSO_pathbyaddr(addr, filename, len) == len)