From e175b3f6853bf3674205990f755467fc5817f713 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Thu, 9 May 2024 21:00:34 +0200
Subject: [PATCH] lcms: check for null arg in gl_parse_3dlut_size

This fixes `icc-3dlut-size` validation in config which would crash if
set without argument.

Found by OSS-Fuzz.
---
 video/out/gpu/lcms.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/video/out/gpu/lcms.h b/video/out/gpu/lcms.h
index d0b0fe5b89..30a6c54e83 100644
--- a/video/out/gpu/lcms.h
+++ b/video/out/gpu/lcms.h
@@ -44,6 +44,8 @@ bool gl_lcms_has_changed(struct gl_lcms *p, enum pl_color_primaries prim,
 
 static inline bool gl_parse_3dlut_size(const char *arg, int *p1, int *p2, int *p3)
 {
+    if (!arg)
+        return false;
     if (!strcmp(arg, "auto")) {
         *p1 = *p2 = *p3 = 0;
         return true;