ffmpeg | branch: release/3.1 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 4 13:02:51 2017 +0200| [80d39a5bb34dff46de36c243cf4394a8508d9377] | committer: Michael Niedermayer
avcodec/ac3dec_fixed: Fix runtime error: left shift of 419 by 23 places cannot be represented in type 'int' Fixes: 1352/clusterfuzz-testcase-minimized-5757565017260032 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 136ce8baa4fc16cf38690cb457f7356c00e00a28) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=80d39a5bb34dff46de36c243cf4394a8508d9377 --- libavcodec/ac3dec_fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ac3dec_fixed.c b/libavcodec/ac3dec_fixed.c index 6416da436e..c5b1d50a13 100644 --- a/libavcodec/ac3dec_fixed.c +++ b/libavcodec/ac3dec_fixed.c @@ -69,7 +69,7 @@ static void scale_coefs ( int temp, temp1, temp2, temp3, temp4, temp5, temp6, temp7; mul = (dynrng & 0x1f) + 0x20; - shift = 4 - ((dynrng << 23) >> 28); + shift = 4 - (sign_extend(dynrng, 9) >> 5); if (shift > 0 ) { round = 1 << (shift-1); for (i=0; i<len; i+=8) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
