ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Mar 26 21:34:03 2023 +0200| [26e78a28f93d8e8aabf88d38f042c594fe670f53] | committer: Michael Niedermayer
avcodec/g729postfilter: Limit shift in long term filter Fixes: shift exponent 34 is too large for 32-bit type 'int' Fixes: 57389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-6229522659016704 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 6d1d8609ac1054017ea3d11b325ed94a1205e9fd) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=26e78a28f93d8e8aabf88d38f042c594fe670f53 --- libavcodec/g729postfilter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/g729postfilter.c b/libavcodec/g729postfilter.c index 1167e09147..82476f2872 100644 --- a/libavcodec/g729postfilter.c +++ b/libavcodec/g729postfilter.c @@ -347,7 +347,7 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int, if (tmp > 0) L_temp0 >>= tmp; else - L_temp1 >>= -tmp; + L_temp1 >>= FFMIN(-tmp, 31); /* Check if longer filter increases the values of R'(k). */ if (L_temp1 > L_temp0) { _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
