Message ID | 20220917211557.11547-9-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | b1a68127bbcd3d638363fa0249982c494e87c9e2 |
Headers | show |
Series | [FFmpeg-devel,1/9] avformat/ape: Check frames size | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c index 0ee4820f62a..61b1316dc9b 100644 --- a/libavformat/jacosubdec.c +++ b/libavformat/jacosubdec.c @@ -144,7 +144,7 @@ static int get_shift(int timeres, const char *buf) ret = 0; switch (n) { case 4: - ret = sign * (((int64_t)a*3600 + b*60 + c) * timeres + d); + ret = sign * (((int64_t)a*3600 + (int64_t)b*60 + c) * timeres + d); break; case 3: ret = sign * (( (int64_t)a*60 + b) * timeres + c);
Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_JACOSUB_fuzzer-6722544461283328 Fixes: signed integer overflow: 48214448 * 60 cannot be represented in type 'int' Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavformat/jacosubdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)