elfutils: Fix size passed to snprintf for invalid sh_name case
Following build error will appear on Fedora18. nm.c: In function 'show_symbols_sysv': 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] snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]", ^ (From OE-Core rev: 61010972284cc53cfc7958a9f6422e3fe74fcc0e) Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -0,0 +1,27 @@
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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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@ -6,7 +6,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3\
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file://EXCEPTION;md5=570adcb0c1218ab57f2249c67d0ce417"
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DEPENDS = "libtool bzip2 zlib virtual/libintl"
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PR = "r9"
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PR = "r10"
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SRC_URI = "https://fedorahosted.org/releases/e/l/elfutils/elfutils-${PV}.tar.bz2"
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@ -31,6 +31,7 @@ SRC_URI += "\
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file://mempcpy.patch \
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file://fix_for_gcc-4.7.patch \
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file://dso-link-change.patch \
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file://nm-Fix-size-passed-to-snprintf-for-invalid-sh_name-case.patch \
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"
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# Only apply when building uclibc based target recipe
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SRC_URI_append_libc-uclibc = " file://uclibc-support.patch"
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