From 33de2bc080dd08a6767440e61ceba6ce33234761 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 4 May 2016 11:50:12 +0200
Subject: [PATCH] Fix segfault in xz compression/decompression

---
 src/libutil/compression.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc
index 4d15d2acd..ec63855f6 100644
--- a/src/libutil/compression.cc
+++ b/src/libutil/compression.cc
@@ -11,7 +11,7 @@ namespace nix {
 
 static ref<std::string> compressXZ(const std::string & in)
 {
-    lzma_stream strm;
+    lzma_stream strm(LZMA_STREAM_INIT);
 
     // FIXME: apply the x86 BCJ filter?
 
@@ -54,7 +54,7 @@ static ref<std::string> compressXZ(const std::string & in)
 
 static ref<std::string> decompressXZ(const std::string & in)
 {
-    lzma_stream strm;
+    lzma_stream strm(LZMA_STREAM_INIT);
 
     lzma_ret ret = lzma_stream_decoder(
         &strm, UINT64_MAX, LZMA_CONCATENATED);