On Sat, Apr 24, 2021 at 01:04:48PM -0300, James Almer wrote: > On 4/24/2021 12:59 PM, Michael Niedermayer wrote: > > Fixes: signed integer overflow: 6365816 * 1000 cannot be represented in > > type 'int' > > Fixes: > > 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_MCC_fuzzer-6737934184218624 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavformat/mccdec.c | 3 +-- > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > diff --git a/libavformat/mccdec.c b/libavformat/mccdec.c > > index 2a0b7905a0..7671be61d4 100644 > > --- a/libavformat/mccdec.c > > +++ b/libavformat/mccdec.c > > @@ -127,8 +127,7 @@ static int mcc_read_header(AVFormatContext *s) > > num = strtol(rate_str, &df, 10); > > den = 1; > > if (df && !av_strncasecmp(df, "DF", 2)) { > > - num *= 1000; > > - den = 1001; > > + av_reduce(&num, &den, num * 1000LL, 10001, INT_MAX); > > 10001?
will apply with a 0 less thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Elect your leaders based on what they did after the last election, not based on what they say before an election.
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