ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Wed Nov 16 22:01:34 2022 +0100| [b2c1a0fc2b196d4cdbaae5b120229138857b559f] | committer: Michael Niedermayer
avcodec/apac: use unsigned for sample residual Fixes: signed integer overflow: -2146670226 + -2227242 cannot be represented in type 'int' Fixes: 51943/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APAC_fuzzer-5779018251370496 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=b2c1a0fc2b196d4cdbaae5b120229138857b559f --- libavcodec/apac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/apac.c b/libavcodec/apac.c index 784abb622c..030f81adce 100644 --- a/libavcodec/apac.c +++ b/libavcodec/apac.c @@ -208,7 +208,7 @@ static int apac_decode(AVCodecContext *avctx, AVFrame *frame, for (int i = 0; i < c->block_length; i++) { int val = get_bits_long(gb, c->bit_length); - int delta = (val & 1) ? ~(val >> 1) : (val >> 1); + unsigned delta = (val & 1) ? ~(val >> 1) : (val >> 1); int sample; delta += c->last_delta; _______________________________________________ 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".
