1 files changed, 42 insertions, 0 deletions

diff --git a/meta/recipes-devtools/elfutils/files/0002-Fix-elf_cvt_gunhash-if-dest-and-src-are-same.patch b/meta/recipes-devtools/elfutils/files/0002-Fix-elf_cvt_gunhash-if-dest-and-src-are-same.patch
new file mode 100644
index 0000000000..2f718eb827
--- /dev/null
+++ b/meta/recipes-devtools/elfutils/files/0002-Fix-elf_cvt_gunhash-if-dest-and-src-are-same.patch
@@ -0,0 +1,42 @@
+From e98670f7c7b4c73fb65534949716fd8d043960d5 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Tue, 15 Aug 2017 17:13:59 +0800
+Subject: [PATCH 2/7] Fix elf_cvt_gunhash if dest and src are same.
+
+Upstream-Status: Pending
+
+The 'dest' and 'src' can be same, we need to save the value of src32[2]
+before swaping it.
+
+Signed-off-by: Baoshan Pang <BaoShan.Pang@windriver.com>
+
+Rebase to 0.170
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ libelf/gnuhash_xlate.h | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libelf/gnuhash_xlate.h b/libelf/gnuhash_xlate.h
+index 6faf113..04d9ca1 100644
+--- a/libelf/gnuhash_xlate.h
++++ b/libelf/gnuhash_xlate.h
+@@ -40,6 +40,7 @@ elf_cvt_gnuhash (void *dest, const void *src, size_t len, int encode)
+      words.  We must detangle them here.   */
+   Elf32_Word *dest32 = dest;
+   const Elf32_Word *src32 = src;
++  Elf32_Word save_src32_2 = src32[2]; // dest could be equal to src
+ 
+   /* First four control words, 32 bits.  */
+   for (unsigned int cnt = 0; cnt < 4; ++cnt)
+@@ -50,7 +51,7 @@ elf_cvt_gnuhash (void *dest, const void *src, size_t len, int encode)
+       len -= 4;
+     }
+ 
+-  Elf32_Word bitmask_words = encode ? src32[2] : dest32[2];
++  Elf32_Word bitmask_words = encode ? save_src32_2 : dest32[2];
+ 
+   /* Now the 64 bit words.  */
+   Elf64_Xword *dest64 = (Elf64_Xword *) &dest32[4];
+-- 
+1.8.3.1
+