From 61010972284cc53cfc7958a9f6422e3fe74fcc0e Mon Sep 17 00:00:00 2001 From: Zhenhua Luo Date: Tue, 12 Mar 2013 11:58:58 +0800 Subject: 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 "]", ^ Signed-off-by: Zhenhua Luo Signed-off-by: Saul Wold --- ...ssed-to-snprintf-for-invalid-sh_name-case.patch | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 meta/recipes-devtools/elfutils/elfutils/nm-Fix-size-passed-to-snprintf-for-invalid-sh_name-case.patch (limited to 'meta/recipes-devtools/elfutils/elfutils') diff --git a/meta/recipes-devtools/elfutils/elfutils/nm-Fix-size-passed-to-snprintf-for-invalid-sh_name-case.patch b/meta/recipes-devtools/elfutils/elfutils/nm-Fix-size-passed-to-snprintf-for-invalid-sh_name-case.patch new file mode 100644 index 0000000000..2b5dad368a --- /dev/null +++ b/meta/recipes-devtools/elfutils/elfutils/nm-Fix-size-passed-to-snprintf-for-invalid-sh_name-case.patch @@ -0,0 +1,27 @@ +Upstream-Status: Backport + +nm: Fix size passed to snprintf for invalid sh_name case. +native build failed as following 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 "]", + ^ + +The original commit is http://git.fedorahosted.org/cgit/elfutils.git/commit/src/nm.c?id=57bd66cabf6e6b9ecf622cdbf350804897a8df58 + +Signed-off-by: Zhenhua Luo + +--- elfutils-0.148/src/nm.c.org 2013-03-11 22:36:11.000000000 -0500 ++++ elfutils-0.148/src/nm.c 2013-03-11 22:46:09.000000000 -0500 +@@ -752,8 +752,9 @@ + gelf_getshdr (scn, &shdr_mem)->sh_name); + if (unlikely (name == NULL)) + { +- name = alloca (sizeof "[invalid sh_name 0x12345678]"); +- snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]", ++ const size_t bufsz = sizeof "[invalid sh_name 0x12345678]"; ++ name = alloca (bufsz); ++ snprintf (name, bufsz, "[invalid sh_name %#" PRIx32 "]", + gelf_getshdr (scn, &shdr_mem)->sh_name); + } + scnnames[elf_ndxscn (scn)] = name; -- cgit 1.2.3-korg