PR comments; additional size check

aws · May 31, 2024 · 3f37c6f · 3f37c6f
1 parent 4a5be1e
commit 3f37c6f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/asn1/a_dup.c b/crypto/asn1/a_dup.c
@@ -68,7 +68,7 @@ void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, void *input) {
   // Size and allocate |buf|.
   unsigned char *buf = NULL;
   int buf_len = i2d(input, &buf);
-  if (buf == NULL) {
+  if (buf == NULL || buf_len < 0) {
     return NULL;
   }