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avcodec/h264_ps: Fix runtime error: signed integer overflow: -1094995528 * 2 cannot be represented in type 'int' 

Fixes: 615/clusterfuzz-testcase-5488002644049920
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-02-19 22:54:30 +01:00
parent 258763ad0e
commit 59e5b05ef6
1 changed files with 1 additions and 1 deletions
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2
libavcodec/h264_ps.c
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@ -468,7 +468,7 @@ int ff_h264_decode_seq_parameter_set(GetBitContext *gb, AVCodecContext *avctx,
sps->frame_mbs_only_flag = get_bits1(gb);
if (sps->mb_height >= INT_MAX / 2) {
if (sps->mb_height >= INT_MAX / 2U) {
av_log(avctx, AV_LOG_ERROR, "height overflow\n");
goto fail;
}