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[PATCH] gelf_getauxv: Use memcpy instead of pointer dereference to avoid alignment problems.
- From: Kurt Roeckx <kurt at roeckx dot be>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Sun, 25 Aug 2013 23:15:13 +0200
- Subject: [PATCH] gelf_getauxv: Use memcpy instead of pointer dereference to avoid alignment problems.
Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
---
libelf/ChangeLog | 5 +++++
libelf/gelf_getauxv.c | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index 674a720..46d4731 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,8 @@
+2013-08-25 Kurt Roeckx <kurt@roeckx.be>
+
+ * gelf_getauxv.c (gelf_getauxv): Use memcpy instead of pointer
+ dereference to avoid alignment problems.
+
2013-01-07 Roland McGrath <roland@hack.frob.com>
* elf_getarsym.c (elf_getarsym): Copy FILE_DATA into stack space if it
diff --git a/libelf/gelf_getauxv.c b/libelf/gelf_getauxv.c
index d87362e..65b8ae0 100644
--- a/libelf/gelf_getauxv.c
+++ b/libelf/gelf_getauxv.c
@@ -97,7 +97,8 @@ gelf_getauxv (data, ndx, dst)
goto out;
}
- *dst = ((GElf_auxv_t *) data_scn->d.d_buf)[ndx];
+ memcpy(dst, (char *)data_scn->d.d_buf + ndx * sizeof(GElf_auxv_t),
+ sizeof(GElf_auxv_t));
}
result = dst;
--
1.7.10.4