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