The diff below replaces a memcpy call with memmove. The supplied buffers overlap in certain cases, as found by the aborting memcpy. The fix is also committed upstream.
To reproduce: $ # you are about to download 134 MB $ ftp http://www.rarewares.org/wavpack/test_suite.zip $ unzip test_suite.zip $ wvunpack -qv test_suite/special_cases/win_executable.wv Abort trap (core dumped) $ wvunpack -qv test_suite/special_cases/cue_sheet.wv Abort trap (core dumped) Regards, Tim Index: Makefile =================================================================== RCS file: /cvs/ports/audio/wavpack/Makefile,v retrieving revision 1.15 diff -u -r1.15 Makefile --- Makefile 19 May 2014 16:57:39 -0000 1.15 +++ Makefile 13 Jan 2015 17:30:09 -0000 @@ -3,7 +3,7 @@ COMMENT = audio codec for lossless, lossy and hybrid compression DISTNAME = wavpack-4.70.0 -REVISION = 0 +REVISION = 1 CATEGORIES = audio HOMEPAGE = http://www.wavpack.com/ Index: patches/patch-src_wputils_c =================================================================== RCS file: patches/patch-src_wputils_c diff -N patches/patch-src_wputils_c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ patches/patch-src_wputils_c 13 Jan 2015 17:30:09 -0000 @@ -0,0 +1,12 @@ +$OpenBSD$ +--- src/wputils.c.orig Fri Oct 11 05:23:18 2013 ++++ src/wputils.c Tue Jan 13 18:27:52 2015 +@@ -1925,7 +1925,7 @@ static uint32_t read_next_header (WavpackStreamReader + while (1) { + if (sp < ep) { + bleft = (int)(ep - sp); +- memcpy (buffer, sp, bleft); ++ memmove (buffer, sp, bleft); + } + else + bleft = 0;
