Fixes: Timeout Fixes: 67645/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-6308760977997824
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/exr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 0f1f683e7e7..09f2fca109c 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -335,7 +335,10 @@ static int huf_unpack_enc_table(GetByteContext *gb, return ret; for (; im <= iM; im++) { - uint64_t l = freq[im] = get_bits(&gbit, 6); + uint64_t l; + if (get_bits_left(&gbit) < 6) + return AVERROR_INVALIDDATA; + l = freq[im] = get_bits(&gbit, 6); if (l == LONG_ZEROCODE_RUN) { int zerun = get_bits(&gbit, 8) + SHORTEST_LONG_RUN; -- 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".
