On Wed, Oct 21, 2020 at 07:20:41AM +0200, Andreas Rheinhardt wrote: > Michael Niedermayer: > > Fixes: division by zero > > Fixes: > > 26451/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVO_fuzzer-4756955832516608 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavutil/eval.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/libavutil/eval.c b/libavutil/eval.c > > index d527f6a9d0..aaa8eb4945 100644 > > --- a/libavutil/eval.c > > +++ b/libavutil/eval.c > > @@ -317,7 +317,7 @@ static double eval_expr(Parser *p, AVExpr *e) > > case e_lte: return e->value * (d <= d2 ? 1.0 : 0.0); > > case e_pow: return e->value * pow(d, d2); > > case e_mul: return e->value * (d * d2); > > - case e_div: return e->value * ((!CONFIG_FTRAPV || d2 ) ? > > (d / d2) : d * INFINITY); > > + case e_div: return e->value * (d2 ? (d / d2) : d * > > INFINITY); > > case e_add: return e->value * (d + d2); > > case e_last:return e->value * d2; > > case e_st : return e->value * (p->var[av_clip(d, 0, > > VARS-1)]= d2); > > > What division by zero (does the fuzzer complain about floating point > division by zero?)?
I see nothing else, so i guess yes. we can drop this patch, or apply it to silence this, whatever is preferred thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If you fake or manipulate statistics in a paper in physics you will never get a job again. If you fake or manipulate statistics in a paper in medicin you will get a job for life at the pharma industry.
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