video_codec: Fix potential out of bounds read

mpiatka · mpiatka · commit 8e4378f8baef · 2025-10-22T11:56:29.000+02:00
diff --git a/src/video_codec.c b/src/video_codec.c
@@ -1131,7 +1131,7 @@ i444_8_to_uyvy(int width, int height, const unsigned char *in,
 struct pixfmt_desc get_pixfmt_desc(codec_t pixfmt)
 {
         assert(pixfmt >= VIDEO_CODEC_FIRST);
-        assert(pixfmt <= VIDEO_CODEC_END);
+        assert(pixfmt < VIDEO_CODEC_END);
         struct pixfmt_desc ret = { 0 };
         ret.depth = codec_info[pixfmt].bits_per_channel;
         ret.subsampling = codec_info[pixfmt].subsampling;

Original file line number	Diff line number	Diff line change
`@@ -1131,7 +1131,7 @@ i444_8_to_uyvy(int width, int height, const unsigned char *in,`
`1131`	`1131`	`struct pixfmt_desc get_pixfmt_desc(codec_t pixfmt)`
`1132`	`1132`	`{`
`1133`	`1133`	`assert(pixfmt >= VIDEO_CODEC_FIRST);`
`1134`		`- assert(pixfmt <= VIDEO_CODEC_END);`
	`1134`	`+ assert(pixfmt < VIDEO_CODEC_END);`
`1135`	`1135`	`struct pixfmt_desc ret = { 0 };`
`1136`	`1136`	`ret.depth = codec_info[pixfmt].bits_per_channel;`
`1137`	`1137`	`ret.subsampling = codec_info[pixfmt].subsampling;`