| Message ID | 20200209191424.19041-3-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [FFmpeg-devel,1/5] avcodec/midivid: Check vector index | expand |
| Context | Check | Description |
|---|---|---|
| andriy/ffmpeg-patchwork | success | Make fate finished |
ok On 2/9/20, Michael Niedermayer <michael@niedermayer.cc> wrote: > Fixes: division by zero > Fixes: > 20436/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5763229752229888 > Fixes: > 20503/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4841641154445312 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> > --- > libavformat/tty.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavformat/tty.c b/libavformat/tty.c > index 60f7e9f87e..854a23c500 100644 > --- a/libavformat/tty.c > +++ b/libavformat/tty.c > @@ -53,6 +53,9 @@ static int read_probe(const AVProbeData *p) > { > int cnt = 0; > > + if (!p->buf_size) > + return 0; > + > for (int i = 0; i < p->buf_size; i++) > cnt += !!isansicode(p->buf[i]); > > -- > 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-request@ffmpeg.org with subject "unsubscribe".
On Sun, Feb 09, 2020 at 08:28:44PM +0100, Paul B Mahol wrote:
> ok
will apply
thx
[...]
diff --git a/libavformat/tty.c b/libavformat/tty.c index 60f7e9f87e..854a23c500 100644 --- a/libavformat/tty.c +++ b/libavformat/tty.c @@ -53,6 +53,9 @@ static int read_probe(const AVProbeData *p) { int cnt = 0; + if (!p->buf_size) + return 0; + for (int i = 0; i < p->buf_size; i++) cnt += !!isansicode(p->buf[i]);
Fixes: division by zero Fixes: 20436/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5763229752229888 Fixes: 20503/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4841641154445312 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/tty.c | 3 +++ 1 file changed, 3 insertions(+)