RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-02-20 13:57:00 +00:00
Code Issues Projects Releases Wiki Activity

avformat/dxa: Check fps to be within the supported range more precissely

Browse Source 
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 6ea494befc)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-04-24 13:08:24 +02:00
parent 42e4597252
commit fbd85a15e1
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/dxa.c
View File

@ -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{