ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Dec 7 20:42:54 2019 +0100| [aefc24beb24494b15d4b79f9f78f6013ac100db5] | committer: Michael Niedermayer
avcodec/alac: Fix integer overflow in LPC coefficient adaption Fixes: signed integer overflow: 267693597 * 10 cannot be represented in type 'int' Fixes: 19237/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALAC_fuzzer-5755407700328448 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 6a865cec5e7584ef476f394fc55c1fc91cec1a14) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=aefc24beb24494b15d4b79f9f78f6013ac100db5 --- libavcodec/alac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/alac.c b/libavcodec/alac.c index f60fcfcd9a..a4e899b4de 100644 --- a/libavcodec/alac.c +++ b/libavcodec/alac.c @@ -224,7 +224,7 @@ static void lpc_prediction(int32_t *error_buffer, uint32_t *buffer_out, sign = sign_only(val) * error_sign; lpc_coefs[j] -= sign; val *= (unsigned)sign; - error_val -= (val >> lpc_quant) * (j + 1); + error_val -= (val >> lpc_quant) * (j + 1U); } } } _______________________________________________ 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".