From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- lib/lz4/lz4_decompress.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'lib/lz4') diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c index 26cc6029b..6d940c72b 100644 --- a/lib/lz4/lz4_decompress.c +++ b/lib/lz4/lz4_decompress.c @@ -140,8 +140,12 @@ static int lz4_uncompress(const char *source, char *dest, int osize) /* Error: request to write beyond destination buffer */ if (cpy > oend) goto _output_error; +#if LZ4_ARCH64 + if ((ref + COPYLENGTH) > oend) +#else if ((ref + COPYLENGTH) > oend || (op + COPYLENGTH) > oend) +#endif goto _output_error; LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH)); while (op < cpy) @@ -266,7 +270,13 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest, if (cpy > oend - COPYLENGTH) { if (cpy > oend) goto _output_error; /* write outside of buf */ - +#if LZ4_ARCH64 + if ((ref + COPYLENGTH) > oend) +#else + if ((ref + COPYLENGTH) > oend || + (op + COPYLENGTH) > oend) +#endif + goto _output_error; LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH)); while (op < cpy) *op++ = *ref++; -- cgit v1.2.3-54-g00ecf