This is a pathological case where the fuzzer provides only 2 bytes per iteration.
Fixes: Timeout (>30 -> 0.9sec) Fixes: 26488/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTS_fuzzer-5911031077142528 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mpegts.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 3085371c58..4e5f556d94 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -609,8 +609,9 @@ static int get_packet_size(AVFormatContext* s) /*init buffer to store stream for probing */ uint8_t buf[PROBE_PACKET_MAX_BUF] = {0}; int buf_size = 0; + int max_iterations = 16; - while (buf_size < PROBE_PACKET_MAX_BUF) { + while (buf_size < PROBE_PACKET_MAX_BUF && max_iterations--) { ret = avio_read_partial(s->pb, buf + buf_size, PROBE_PACKET_MAX_BUF - buf_size); if (ret < 0) return AVERROR_INVALIDDATA; -- 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".
