ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Dec 7 20:55:16 2019 +0100| [a3655bb02c21e70573335e9396632f64b2589536] | committer: Michael Niedermayer
avcodec/apedec: Fix undefined integer overflow in decode_array_0000() Fixes: signed integer overflow: -2143289344 - 6246400 cannot be represented in type 'int' Fixes: 19239/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5173755680915456 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a3655bb02c21e70573335e9396632f64b2589536 --- libavcodec/apedec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c index 1b23e54153..3e39a8e62e 100644 --- a/libavcodec/apedec.c +++ b/libavcodec/apedec.c @@ -615,7 +615,7 @@ static void decode_array_0000(APEContext *ctx, GetBitContext *gb, return ; } out[i] = get_rice_ook(&ctx->gb, rice->k); - rice->ksum += out[i] - out[i - 64]; + rice->ksum += out[i] - (unsigned)out[i - 64]; while (rice->ksum < ksummin) { rice->k--; ksummin = rice->k ? ksummin >> 1 : 0; _______________________________________________ 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".
