ffmpeg | branch: release/4.2 | Michael Niedermayer <mich...@niedermayer.cc> | Thu Mar 19 22:05:42 2020 +0100| [209b42916869e78fc67f386fdebbe903ca8dbd72] | committer: Michael Niedermayer
avcodec/cbs_jpeg: Fix infinite loop in cbs_jpeg_split_fragment() Fixes: Timeout Fixes: 21104/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5129580475318272 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit a3dc67c9840f6ba6cdf6233248897146e9171cc8) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=209b42916869e78fc67f386fdebbe903ca8dbd72 --- libavcodec/cbs_jpeg.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/libavcodec/cbs_jpeg.c b/libavcodec/cbs_jpeg.c index e26acdaff0..6e48b581f1 100644 --- a/libavcodec/cbs_jpeg.c +++ b/libavcodec/cbs_jpeg.c @@ -148,15 +148,14 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx, if (marker == JPEG_MARKER_EOI) { break; } else if (marker == JPEG_MARKER_SOS) { + next_marker = -1; for (i = start; i + 1 < frag->data_size; i++) { if (frag->data[i] != 0xff) continue; end = i; for (++i; i + 1 < frag->data_size && frag->data[i] == 0xff; i++); - if (i + 1 >= frag->data_size) { - next_marker = -1; - } else { + if (i + 1 < frag->data_size) { if (frag->data[i] == 0x00) continue; next_marker = frag->data[i]; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
