test curl NULL deref patch 2

vszakats · Oct 10, 2023 · 6d09322 · 6d09322
1 parent eb9bb03
commit 6d09322
Showing 1 changed file with 27 additions and 0 deletions.
diff --git a/curl.test.patch b/curl.test.patch
@@ -0,0 +1,27 @@
+diff --git a/lib/http2.c b/lib/http2.c
+index c8b059498..04dee198c 100644
+--- a/lib/http2.c
++++ b/lib/http2.c
+@@ -2062,10 +2062,18 @@ static ssize_t h2_submit(struct stream_ctx **pstream,
+
+ for(i = 0; i < nheader; ++i) {
+ struct dynhds_entry *e = Curl_dynhds_getn(&h2_headers, i);
+- nva[i].name = (unsigned char *)e->name;
+- nva[i].namelen = e->namelen;
+- nva[i].value = (unsigned char *)e->value;
+- nva[i].valuelen = e->valuelen;
++ if(e) {
++ nva[i].name = (unsigned char *)e->name;
++ nva[i].namelen = e->namelen;
++ nva[i].value = (unsigned char *)e->value;
++ nva[i].valuelen = e->valuelen;
++ }
++ else {
++ nva[i].name = NULL;
++ nva[i].namelen = 0;
++ nva[i].value = NULL;
++ nva[i].valuelen = 0;
++ }
+ nva[i].flags = NGHTTP2_NV_FLAG_NONE;
+ }
+