http: free memory when Alt-Used header creation fails due to OOM
Reported-by: James Fuller
Fixes #5268
Closes #5269
diff --git a/lib/http.c b/lib/http.c
index 5a2edf0..c3f7c35 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -1333,7 +1333,6 @@
{
char *s;
va_list ap;
- Curl_send_buffer *in = *inp;
va_start(ap, fmt);
s = vaprintf(fmt, ap); /* this allocs a new string to append */
va_end(ap);
@@ -1344,9 +1343,7 @@
return result;
}
/* If we failed, we cleanup the whole buffer and return error */
- free(in->buffer);
- free(in);
- *inp = NULL;
+ Curl_add_buffer_free(inp);
return CURLE_OUT_OF_MEMORY;
}
@@ -1363,9 +1360,7 @@
/* If resulting used size of send buffer would wrap size_t, cleanup
the whole buffer and return error. Otherwise the required buffer
size will fit into a single allocatable memory chunk */
- Curl_safefree(in->buffer);
- free(in);
- *inp = NULL;
+ Curl_add_buffer_free(inp);
return CURLE_OUT_OF_MEMORY;
}
@@ -2615,8 +2610,10 @@
if(conn->bits.altused && !Curl_checkheaders(conn, "Alt-Used")) {
altused = aprintf("Alt-Used: %s:%d\r\n",
conn->conn_to_host.name, conn->conn_to_port);
- if(!altused)
+ if(!altused) {
+ Curl_add_buffer_free(&req_buffer);
return CURLE_OUT_OF_MEMORY;
+ }
}
#endif
result =