Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself Fixes: 34651/clusterfuzz-testcase-minimized-ffmpeg_dem_JACOSUB_fuzzer-5157941012463616
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/jacosubdec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavformat/jacosubdec.c b/libavformat/jacosubdec.c index c8bded02fe..1224d35bc4 100644 --- a/libavformat/jacosubdec.c +++ b/libavformat/jacosubdec.c @@ -141,6 +141,9 @@ static int get_shift(int timeres, const char *buf) int n = sscanf(buf, "%d"SSEP"%d"SSEP"%d"SSEP"%d", &a, &b, &c, &d); #undef SSEP + if (a == INT_MIN) + return 0; + if (*buf == '-' || a < 0) { sign = -1; a = FFABS(a); -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".