Fixes: division by zero Fixes: 55940/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6333107679920128
The decoder does not support bps=1 and i have no such sample so it is not known if this duration is correct. Alternatively we could error out on all bps we currently do not support on the decoder side or not set duration. Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavformat/rka.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/rka.c b/libavformat/rka.c index cc55480345..39e5b3bce1 100644 --- a/libavformat/rka.c +++ b/libavformat/rka.c @@ -114,7 +114,7 @@ static int rka_read_header(AVFormatContext *s) par->ch_layout.nb_channels = channels; par->sample_rate = samplerate; par->bits_per_raw_sample = bps; - st->duration = nb_samples / (channels * (bps >> 3)); + st->duration = 8LL*nb_samples / (channels * bps); if (s->pb->seekable & AVIO_SEEKABLE_NORMAL) ff_ape_parse_tag(s); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
