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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-12-05 18:40:03 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-07 16:27:00 +0200 |
| commit | 6cbacf1818ef11996845e644cbf69dbfe02be097 (patch) | |
| tree | 43718792e15509d0621b662ffa43b58f586c4393 /libavformat/vivo.c | |
| parent | e94ae6c679bffbddcb5662ae27903cc3555cdc31 (diff) | |
| download | ffmpeg-6cbacf1818ef11996845e644cbf69dbfe02be097.tar.gz | |
avformat/vivo: Do not use the general expression evaluator for parsing a floating point value
Fixes: Timeout
Fixes: 41564/clusterfuzz-testcase-minimized-ffmpeg_dem_VIVO_fuzzer-6309014024093696
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7b24615565fd488e7e3a435102979a5ea85fe2fe)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/vivo.c')
| -rw-r--r-- | libavformat/vivo.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavformat/vivo.c b/libavformat/vivo.c index 9a07c43849..09b593feb4 100644 --- a/libavformat/vivo.c +++ b/libavformat/vivo.c @@ -26,6 +26,7 @@ * @sa http://wiki.multimedia.cx/index.php?title=Vivo */ +#include "libavutil/avstring.h" #include "libavutil/parseutils.h" #include "avformat.h" #include "internal.h" @@ -204,11 +205,12 @@ static int vivo_read_header(AVFormatContext *s) return AVERROR_INVALIDDATA; value_used = 1; } else if (!strcmp(key, "FPS")) { - AVRational tmp; + double d; + if (av_sscanf(value, "%f", &d) != 1) + return AVERROR_INVALIDDATA; value_used = 1; - if (!av_parse_ratio(&tmp, value, 10000, AV_LOG_WARNING, s)) - fps = av_inv_q(tmp); + fps = av_inv_q(av_d2q(d, 10000)); } if (!value_used) |