On 12/25/18, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: Timeout > Fixes: > 11502/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WCMV_fuzzer-5664893810769920 > Before: Executed > clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WCMV_fuzzer-5664893810769920 > in 11294 ms > After : Executed > clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WCMV_fuzzer-5664893810769920 > in 4249 ms > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavutil/imgutils.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c > index 4938a7ef67..cc38f1e878 100644 > --- a/libavutil/imgutils.c > +++ b/libavutil/imgutils.c > @@ -529,6 +529,12 @@ static void memset_bytes(uint8_t *dst, size_t dst_size, > uint8_t *clear, > } > } else if (clear_size == 4) { > uint32_t val = AV_RN32(clear); > + uint64_t val8 = val * 0x100000001ULL; > + for (; dst_size >= 32; dst_size -= 32) { > + AV_WN64(dst , val8); AV_WN64(dst+ 8, val8); > + AV_WN64(dst+16, val8); AV_WN64(dst+24, val8); > + dst += 32; > + } > for (; dst_size >= 4; dst_size -= 4) { > AV_WN32(dst, val); > dst += 4; > -- > 2.20.1 >
NAK, implement special memset function instead. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
