ffmpeg | branch: release/4.1 | Michael Niedermayer <mich...@niedermayer.cc> | Mon May 2 00:51:12 2022 +0200| [5deba24c221bc6c2222fd8a7007360ad40901a8f] | committer: Michael Niedermayer
avcodec/sbrdsp_fixed: Fix integer overflows in sbr_qmf_deint_neg_c() Fixes: signed integer overflow: 2147483645 + 16 cannot be represented in type 'int' Fixes: 46993/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4759025234870272 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 1537f40516d625fc5fa57db4fdfb737312fbc500) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5deba24c221bc6c2222fd8a7007360ad40901a8f --- libavcodec/sbrdsp_fixed.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/sbrdsp_fixed.c b/libavcodec/sbrdsp_fixed.c index 43fcc90ae5..0d34a2a710 100644 --- a/libavcodec/sbrdsp_fixed.c +++ b/libavcodec/sbrdsp_fixed.c @@ -114,8 +114,8 @@ static void sbr_qmf_deint_neg_c(int *v, const int *src) { int i; for (i = 0; i < 32; i++) { - v[ i] = ( src[63 - 2*i ] + 0x10) >> 5; - v[63 - i] = (-src[63 - 2*i - 1] + 0x10) >> 5; + v[ i] = (int)(0x10U + src[63 - 2*i ]) >> 5; + v[63 - i] = (int)(0x10U - src[63 - 2*i - 1]) >> 5; } } _______________________________________________ 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".