0.168-1 - New upstream release from https://sourceware.org/elfutils/
This commit is contained in:
Mark Wielaard
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d3c2ef0ac8
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af747cd683
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@ -8,3 +8,4 @@
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/elfutils-0.165.tar.bz2
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/elfutils-0.166.tar.bz2
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/elfutils-0.167.tar.bz2
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/elfutils-0.168.tar.bz2
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@ -1,50 +0,0 @@
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From 836a16fe5b5bab4a3afe2c991c104652775ce3a3 Mon Sep 17 00:00:00 2001
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From: David Abdurachmanov <davidlt@cern.ch>
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Date: Mon, 11 Apr 2016 16:00:57 +0200
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Subject: [PATCH] elfcmp: fix self-comparison error with GCC 6
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Noticed with Fedora 24 Alpha, gcc (GCC) 6.0.0 20160406
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(Red Hat 6.0.0-0.20).
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elfcmp.c: In function ‘main’:
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elfcmp.c:364:199: error: self-comparison always evaluates
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to false [-Werror=tautological-compare]
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if (unlikely (name1 == NULL || name2 == NULL
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Signed-off-by: David Abdurachmanov <davidlt@cern.ch>
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---
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src/ChangeLog | 4 ++++
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src/elfcmp.c | 2 +-
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2 files changed, 5 insertions(+), 1 deletion(-)
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diff --git a/src/ChangeLog b/src/ChangeLog
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index f74b5dc..bdc9d13 100644
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--- a/src/ChangeLog
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+++ b/src/ChangeLog
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@@ -1,3 +1,7 @@
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+2016-04-11 David Abdurachmanov <davidlt@cern.ch>
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+
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+ * elfcmp.c (main): Fix self-comparison error with GCC 6.
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+
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2016-03-21 Mark Wielaard <mjw@redhat.com>
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* nm.c (show_symbols): Check for malloc size argument overflow.
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diff --git a/src/elfcmp.c b/src/elfcmp.c
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index 852b92f..7b5d39c 100644
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--- a/src/elfcmp.c
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+++ b/src/elfcmp.c
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@@ -368,7 +368,7 @@ main (int argc, char *argv[])
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&& sym1->st_shndx != SHN_UNDEF)
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|| sym1->st_info != sym2->st_info
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|| sym1->st_other != sym2->st_other
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- || sym1->st_shndx != sym1->st_shndx))
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+ || sym1->st_shndx != sym2->st_shndx))
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{
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// XXX Do we want to allow reordered symbol tables?
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symtab_mismatch:
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--
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1.8.3.1
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@ -1,92 +0,0 @@
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commit 7bf4b63a4980788e6c1969cae02f0483e79c069f
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Author: Mark Wielaard <mjw@redhat.com>
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Date: Thu Oct 6 16:06:32 2016 +0200
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strip: Don't remove real symbols from allocated symbol tables.
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Having a symbol in an allocated symbol table (like .dynsym) that
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points to an unallocated section is wrong. Traditionally strip
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has removed such symbols if they are section or group symbols.
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But removing a real symbol from an allocate symbol table is hard
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and probably a mistake. Really removing it means rewriting the
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dynamic segment and hash sections. Since we don't do that, don't
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remove the symbol (and corrupt the ELF file). Do warn and set
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the symbol section to SHN_UNDEF.
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https://bugzilla.redhat.com/show_bug.cgi?id=1380961
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Signed-off-by: Mark Wielaard <mjw@redhat.com>
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diff --git a/src/ChangeLog b/src/ChangeLog
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index e5b3b20..70d11f2 100644
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--- a/src/ChangeLog
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+++ b/src/ChangeLog
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@@ -1,3 +1,8 @@
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+2016-10-06 Mark Wielaard <mjw@redhat.com>
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+
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+ * strip.c (handle_elf): Don't remove real symbols from allocated
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+ symbol tables.
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+
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2016-08-25 Mark Wielaard <mjw@redhat.com>
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* strip.c (handle_elf): Recompress with ELF_CHF_FORCE.
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diff --git a/src/strip.c b/src/strip.c
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index da093e9..819b67e 100644
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--- a/src/strip.c
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+++ b/src/strip.c
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@@ -1341,15 +1341,12 @@ handle_elf (int fd, Elf *elf, const char *prefix, const char *fname,
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/* Get the full section index, if necessary from the
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XINDEX table. */
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- if (sym->st_shndx != SHN_XINDEX)
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- sec = shdr_info[sym->st_shndx].idx;
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- else
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- {
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- elf_assert (shndxdata != NULL
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- && shndxdata->d_buf != NULL);
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-
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- sec = shdr_info[xshndx].idx;
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- }
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+ if (sym->st_shndx == SHN_XINDEX)
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+ elf_assert (shndxdata != NULL
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+ && shndxdata->d_buf != NULL);
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+ size_t sidx = (sym->st_shndx != SHN_XINDEX
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+ ? sym->st_shndx : xshndx);
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+ sec = shdr_info[sidx].idx;
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if (sec != 0)
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{
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@@ -1387,6 +1384,24 @@ handle_elf (int fd, Elf *elf, const char *prefix, const char *fname,
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shdr_info[cnt].shdr.sh_info = destidx - 1;
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}
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}
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+ else if ((shdr_info[cnt].shdr.sh_flags & SHF_ALLOC) != 0
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+ && GELF_ST_TYPE (sym->st_info) != STT_SECTION
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+ && shdr_info[sidx].shdr.sh_type != SHT_GROUP)
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+ {
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+ /* Removing a real symbol from an allocated
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+ symbol table is hard and probably a
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+ mistake. Really removing it means
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+ rewriting the dynamic segment and hash
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+ sections. Just warn and set the symbol
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+ section to UNDEF. */
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+ error (0, 0,
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+ gettext ("Cannot remove symbol [%zd] from allocated symbol table [%zd]"), inner, cnt);
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+ sym->st_shndx = SHN_UNDEF;
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+ if (gelf_update_sym (shdr_info[cnt].data, destidx,
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+ sym) == 0)
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+ INTERNAL_ERROR (fname);
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+ shdr_info[cnt].newsymidx[inner] = destidx++;
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+ }
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else if (debug_fname != NULL
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&& shdr_info[cnt].debug_data == NULL)
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/* The symbol points to a section that is discarded
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@@ -1394,8 +1409,6 @@ handle_elf (int fd, Elf *elf, const char *prefix, const char *fname,
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this is a section or group signature symbol
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for a section which has been removed. */
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{
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- size_t sidx = (sym->st_shndx != SHN_XINDEX
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- ? sym->st_shndx : xshndx);
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elf_assert (GELF_ST_TYPE (sym->st_info) == STT_SECTION
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|| ((shdr_info[sidx].shdr.sh_type
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== SHT_GROUP)
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@ -1,9 +1,9 @@
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Name: elfutils
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Summary: A collection of utilities and DSOs to handle compiled objects
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Version: 0.167
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%global baserelease 2
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URL: https://fedorahosted.org/elfutils/
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%global source_url http://fedorahosted.org/releases/e/l/elfutils/%{version}/
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Summary: A collection of utilities and DSOs to handle ELF files and DWARF data
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Version: 0.168
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%global baserelease 1
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URL: http://elfutils.org/
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%global source_url ftp://sourceware.org/pub/elfutils/%{version}/
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License: GPLv3+ and (GPLv2+ or LGPLv3+)
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Group: Development/Tools
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@ -20,7 +20,6 @@ Release: %{baserelease}%{?dist}
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Source: %{?source_url}%{name}-%{version}.tar.bz2
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# Patches
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Patch1: elfutils-0.167-strip-alloc-symbol.patch
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Requires: elfutils-libelf%{depsuffix} = %{version}-%{release}
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Requires: elfutils-libs%{depsuffix} = %{version}-%{release}
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@ -164,7 +163,6 @@ profiling) of processes.
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%setup -q
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# Apply patches
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%patch1 -p1 -b .strip_alloc_sym
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find . -name \*.sh ! -perm -0100 -print | xargs chmod +x
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@ -295,6 +293,13 @@ rm -rf ${RPM_BUILD_ROOT}
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%endif
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%changelog
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* Wed Dec 28 2016 Mark Wielaard <mark@klomp.org> - 0.168-1
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- New upstream release from new home https://sourceware.org/elfutils/
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- Resolves:
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- #1396092 Please implement eu-readelf --symbols[=SECTION]
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- #1388057 memory allocation failure in allocate_elf
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- #1387584 memory allocation failure in __libelf_set_rawdata_wrlock
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* Fri Oct 7 2016 Mark Wielaard <mjw@redhat.com> - 0.167-2
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- Add elfutils-0.167-strip-alloc-symbol.patch (#1380961)
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