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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-20 20:33:50 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-01-11 23:21:05 +0100 |
| commit | 90e4862ffa5457ebee53345b9a52df5fd3842ccf (patch) | |
| tree | 306e60cb873e299de03e3c0ad4ddc07d27017b59 | |
| parent | b0259aa248e44dcc6960fa340d6377dd80026105 (diff) | |
| download | ffmpeg-90e4862ffa5457ebee53345b9a52df5fd3842ccf.tar.gz | |
avutil/eval: Unconditionally check argument of e_div
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 <michael@niedermayer.cc>
| -rw-r--r-- | libavutil/eval.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); |