Quoting Michael Niedermayer (2024-03-26 01:11:48) > Fixes: > 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_W64_fuzzer-4704044498944000 > Fixes: signed integer overflow: 520464 * 8224 cannot be represented in type > 'int' > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/wavdec.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c > index 668c8adc36b..89855670d9c 100644 > --- a/libavformat/wavdec.c > +++ b/libavformat/wavdec.c > @@ -34,6 +34,7 @@ > #include "libavutil/log.h" > #include "libavutil/mathematics.h" > #include "libavutil/opt.h" > +#include "libavcodec/internal.h" > #include "avformat.h" > #include "avio.h" > #include "avio_internal.h" > @@ -908,7 +909,9 @@ static int w64_read_header(AVFormatContext *s) > if (ret < 0) > return ret; > avio_skip(pb, FFALIGN(size, INT64_C(8)) - size); > - if (st->codecpar->block_align) { > + if (st->codecpar->block_align && > + st->codecpar->ch_layout.nb_channels < FF_SANE_NB_CHANNELS &&
I objected to this approach. -- Anton Khirnov _______________________________________________ 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".
