On Mon, Jun 01, 2020 at 12:10:54AM +0530, Gautam Ramakrishnan wrote: > On Sun, May 31, 2020 at 7:21 PM Michael Niedermayer > <[email protected]> wrote: > > > > 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 > > Signed-off-by: Michael Niedermayer <[email protected]> > > --- > > 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; > > -- > > 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". > > Looks good to me
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Take away the freedom of one citizen and you will be jailed, take away the freedom of all citizens and you will be congratulated by your peers in Parliament.
signature.asc
Description: PGP signature
_______________________________________________ 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".
