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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-24 13:08:24 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-06 14:41:41 +0200 |
| commit | fa4f7b96f474c253cb55878f10dbae79c45eed35 (patch) | |
| tree | c22786ec04ccaaceaa0341033ed08fa0819ab2d9 | |
| parent | 4d153afd9af43ceb9287714e2e97f9b7cc1b0c51 (diff) | |
| download | ffmpeg-fa4f7b96f474c253cb55878f10dbae79c45eed35.tar.gz | |
avformat/dxa: Check fps to be within the supported range more precissely
Fixes: negation of -2147483648 cannot be represented in type 'int32_t' (aka 'int'); cast to an unsigned type to negate this value to itself
Fixes: assertion failure
Fixes: 29102/clusterfuzz-testcase-minimized-ffmpeg_dem_DXA_fuzzer-6744985740378112
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 6ea494befcb5d944ce8275e6f59de1a24c25ffb6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/dxa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/dxa.c b/libavformat/dxa.c index 909c5ba2ba..cd9c489851 100644 --- a/libavformat/dxa.c +++ b/libavformat/dxa.c @@ -79,7 +79,7 @@ static int dxa_read_header(AVFormatContext *s) if(fps > 0){ den = 1000; num = fps; - }else if (fps < 0){ + }else if (fps < 0 && fps > INT_MIN){ den = 100000; num = -fps; }else{ |