Fixes: out of array access Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SGI_fuzzer-6704753329700864 Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SGI_fuzzer-6683986844057600 Fixes: 48567/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SGI_fuzzer-6697387691474944
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/sgidec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/sgidec.c b/libavcodec/sgidec.c index 6ff2ee97f6..92083f23de 100644 --- a/libavcodec/sgidec.c +++ b/libavcodec/sgidec.c @@ -159,7 +159,7 @@ static int read_uncompressed_sgi(uint8_t *const out[4], const ptrdiff_t stride[4 unsigned rowsize = width * bytes_per_channel; /* Test buffer size. */ - if (rowsize * (int64_t)height > bytestream2_get_bytes_left(g)) + if (rowsize * (int64_t)height * nb_components > bytestream2_get_bytes_left(g)) return AVERROR_INVALIDDATA; for (unsigned z = 0; z < nb_components; z++) { -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
