ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Thu Jul 16 22:58:13 2020 +0200| [4a02ae49c26395fc3ae2d38c733a2a13bd3080e7] | committer: Michael Niedermayer
avutil/fixed_dsp: Fix integer overflows in butterflies_fixed_c() Fixes: signed integer overflow: 0 - -2147483648 cannot be represented in type 'int' Fixes: 23646/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5480991098667008 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4a02ae49c26395fc3ae2d38c733a2a13bd3080e7 --- libavutil/fixed_dsp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavutil/fixed_dsp.c b/libavutil/fixed_dsp.c index 8c018581df..f1b195f184 100644 --- a/libavutil/fixed_dsp.c +++ b/libavutil/fixed_dsp.c @@ -134,9 +134,10 @@ static int scalarproduct_fixed_c(const int *v1, const int *v2, int len) return (int)(p >> 31); } -static void butterflies_fixed_c(int *v1, int *v2, int len) +static void butterflies_fixed_c(int *v1s, int *v2, int len) { int i; + unsigned int *v1 = v1s; for (i = 0; i < len; i++){ int t = v1[i] - v2[i]; _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
