Merge pull request allinurl#2180 from cgzones/asan

Avoid buffer underflow
liuyuhua1984 · Sep 11, 2021 · 4be45b4 · 4be45b4
2 parents 1ce51ed + 7ac10de
commit 4be45b4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/parser.c b/src/parser.c
@@ -454,7 +454,7 @@ verify_static_content (const char *req) {
       continue;
     }
 
-    if (!strncasecmp (nul - elen, ext, elen))
+    if (nul - req > elen && !strncasecmp (nul - elen, ext, elen))
       return 1;
   }