ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 31 12:49:50 2020 +0200| [4b2248594c7faf1530c43e662c4b80655240b269] | committer: Michael Niedermayer
avcodec/jpeg2000dec: clear pointer which become stale in get_ppt() Fixes: use after free Fixes: 22484/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5671488765296640 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Gautam Ramakrishnan <gautamr...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4b2248594c7faf1530c43e662c4b80655240b269 --- libavcodec/jpeg2000dec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 65555424ed..b7766459c4 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -928,6 +928,7 @@ static int get_ppt(Jpeg2000DecoderContext *s, int n) tile->packed_headers = new; } else return AVERROR(ENOMEM); + memset(&tile->packed_headers_stream, 0, sizeof(tile->packed_headers_stream)); memcpy(tile->packed_headers + tile->packed_headers_size, s->g.buffer, n - 3); tile->packed_headers_size += n - 3; _______________________________________________ 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".
