From dfaf20a5e2ea926e96f74678521d7e8706fb4db7 Mon Sep 17 00:00:00 2001
From: Peter Foley <pefoley2@pefoley.com>
Date: Tue, 2 Nov 2021 17:41:37 -0400
Subject: [PATCH] Avoid calling strlen on uninitialized data (#6747)

GetINCHIfromINCHI calls strlen on szOptions, which leads to undefined behavior as it's not a valid null-terminated byte string.
Explicitly NULL out the char* to avoid this.
---
 projects/inchi/inchi_input_fuzzer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/projects/inchi/inchi_input_fuzzer.c b/projects/inchi/inchi_input_fuzzer.c
index 6cacedfcc..d038da2a5 100644
--- a/projects/inchi/inchi_input_fuzzer.c
+++ b/projects/inchi/inchi_input_fuzzer.c
@@ -40,6 +40,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 
   inchi_InputINCHI inpInChI;
   inpInChI.szInChI = szINCHISource;
+  inpInChI.szOptions = NULL;
 
   inchi_Output out;
   GetINCHIfromINCHI(&inpInChI, &out);