[FFmpeg-devel] [PATCH 2/4] avcodec/argo: Move U, fix shift
Michael Niedermayer
michael at niedermayer.cc
Fri Sep 3 21:39:11 EEST 2021
Fixes: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 37249/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARGO_fuzzer-5754862984888320
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/argo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/argo.c b/libavcodec/argo.c
index df9aab92a8..66f3d96480 100644
--- a/libavcodec/argo.c
+++ b/libavcodec/argo.c
@@ -58,7 +58,7 @@ static int decode_pal8(AVCodecContext *avctx, uint32_t *pal)
return AVERROR_INVALIDDATA;
for (int i = 0; i < count; i++)
- pal[start + i] = (0xFF << 24U) | bytestream2_get_be24u(gb);
+ pal[start + i] = (0xFFU << 24) | bytestream2_get_be24u(gb);
return 0;
}
--
2.17.1
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