28 lines
1.2 KiB
Diff
28 lines
1.2 KiB
Diff
Upstream-Status: Backport
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nm: Fix size passed to snprintf for invalid sh_name case.
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native build failed as following on Fedora18:
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nm.c: In function 'show_symbols_sysv':
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nm.c:756:27: error: argument to 'sizeof' in 'snprintf' call is the same expression as the destination; did you mean to provide an explicit length? [-Werror=sizeof-pointer-memaccess]
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snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]",
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^
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The original commit is http://git.fedorahosted.org/cgit/elfutils.git/commit/src/nm.c?id=57bd66cabf6e6b9ecf622cdbf350804897a8df58
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Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com>
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--- elfutils-0.148/src/nm.c.org 2013-03-11 22:36:11.000000000 -0500
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+++ elfutils-0.148/src/nm.c 2013-03-11 22:46:09.000000000 -0500
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@@ -752,8 +752,9 @@
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gelf_getshdr (scn, &shdr_mem)->sh_name);
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if (unlikely (name == NULL))
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{
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- name = alloca (sizeof "[invalid sh_name 0x12345678]");
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- snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]",
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+ const size_t bufsz = sizeof "[invalid sh_name 0x12345678]";
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+ name = alloca (bufsz);
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+ snprintf (name, bufsz, "[invalid sh_name %#" PRIx32 "]",
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gelf_getshdr (scn, &shdr_mem)->sh_name);
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}
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scnnames[elf_ndxscn (scn)] = name;
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