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authorMichael Niedermayer <michael@niedermayer.cc>2022-07-03 00:43:21 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2022-10-21 22:19:37 +0200
commit5c3262e82b7b028e0c5d38fee90ac1b31e604a41 (patch)
tree016edc51a01af5479da7c453dc911136383a7cdf
parent8618061a4f589276d2f533de7108fa561a6bd524 (diff)
downloadffmpeg-5c3262e82b7b028e0c5d38fee90ac1b31e604a41.tar.gz
avcodec/qdrw: adjust max colors to array size
Fixes: out of array access Fixes: 48429/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDRAW_fuzzer-4608329791438848 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit cd847f86d31f87f0f7733ca6ab7a2c022a1398bd) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/qdrw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c
index 0452086be3..b17fb59f3e 100644
--- a/libavcodec/qdrw.c
+++ b/libavcodec/qdrw.c
@@ -216,7 +216,7 @@ static int decode_frame(AVCodecContext *avctx,
bytestream2_skip(&gbc, 18);
colors = bytestream2_get_be16(&gbc);
- if (colors < 0 || colors > 256) {
+ if (colors < 0 || colors > 255) {
av_log(avctx, AV_LOG_ERROR,
"Error color count - %i(0x%X)\n", colors, colors);
return AVERROR_INVALIDDATA;