ffmpeg | branch: master | Michael Niedermayer <[email protected]> | Sat Feb 25 21:07:26 2017 +0100| [7e9ba78f6bd10edae77d1126ada109709e981e9f] | committer: Michael Niedermayer
avcodec/flacdsp: Fix: runtime error: signed integer overflow: -1027555328 + -1226681270 cannot be represented in type 'int' Fixes: 673/clusterfuzz-testcase-5948736536576000 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Reviewed-by: Paul B Mahol <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7e9ba78f6bd10edae77d1126ada109709e981e9f --- libavcodec/flacdsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/flacdsp.c b/libavcodec/flacdsp.c index 560091f..bc9a5db 100644 --- a/libavcodec/flacdsp.c +++ b/libavcodec/flacdsp.c @@ -67,7 +67,7 @@ static void flac_lpc_16_c(int32_t *decoded, const int coeffs[32], int sum = 0; for (j = 0; j < pred_order; j++) sum += coeffs[j] * (SUINT)decoded[j]; - decoded[j] += sum >> qlevel; + decoded[j] = decoded[j] + (unsigned)(sum >> qlevel); } } _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
