Accepting request 1145071 from home:Andreas_Schwab:Factory
- Add libnsl1 to baselibs.conf (bsc#1219640) - arm-dl-start-user.patch: arm: Remove wrong ldr from _dl_start_user (BZ #31339) OBS-URL: https://build.opensuse.org/request/show/1145071 OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=694
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Andreas Schwab
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40
arm-dl-start-user.patch
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40
arm-dl-start-user.patch
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From 63295e4fda1f6dab4bf7442706fe303bf283036c Mon Sep 17 00:00:00 2001
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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Date: Mon, 5 Feb 2024 16:10:24 +0000
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Subject: [PATCH] arm: Remove wrong ldr from _dl_start_user (BZ 31339)
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The commit 49d877a80b29d3002887b084eec6676d9f5fec18 (arm: Remove
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_dl_skip_args usage) removed the _SKIP_ARGS literal, which was
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previously loader to r4 on loader _start. However, the cleanup did not
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remove the following 'ldr r4, [sl, r4]' on _dl_start_user, used to check
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to skip the arguments after ld self-relocations.
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In my testing, the kernel initially set r4 to 0, which makes the
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ldr instruction just read the _GLOBAL_OFFSET_TABLE_. However, since r4
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is a callee-saved register; a different runtime might not zero
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initialize it and thus trigger an invalid memory access.
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Checked on arm-linux-gnu.
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Reported-by: Adrian Ratiu <adrian.ratiu@collabora.com>
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Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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(cherry picked from commit 1e25112dc0cb2515d27d8d178b1ecce778a9d37a)
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---
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sysdeps/arm/dl-machine.h | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/sysdeps/arm/dl-machine.h b/sysdeps/arm/dl-machine.h
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index b857bbc868..dd1a0f6b6e 100644
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--- a/sysdeps/arm/dl-machine.h
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+++ b/sysdeps/arm/dl-machine.h
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@@ -139,7 +139,6 @@ _start:\n\
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_dl_start_user:\n\
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adr r6, .L_GET_GOT\n\
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add sl, sl, r6\n\
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- ldr r4, [sl, r4]\n\
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@ save the entry point in another register\n\
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mov r6, r0\n\
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@ get the original arg count\n\
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--
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2.43.0
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@ -24,3 +24,5 @@ glibc-devel-static
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glibc-profile
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arch i586 block!
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glibc-utils
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libnsl1
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arch i586 block!
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@ -1,3 +1,14 @@
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-------------------------------------------------------------------
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Wed Feb 7 09:08:50 UTC 2024 - Andreas Schwab <schwab@suse.de>
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- Add libnsl1 to baselibs.conf (bsc#1219640)
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-------------------------------------------------------------------
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Tue Feb 6 08:40:15 UTC 2024 - Andreas Schwab <schwab@suse.de>
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- arm-dl-start-user.patch: arm: Remove wrong ldr from _dl_start_user (BZ
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#31339)
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-------------------------------------------------------------------
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Thu Feb 1 09:25:37 UTC 2024 - Andreas Schwab <schwab@suse.de>
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34
glibc.spec
34
glibc.spec
@ -298,9 +298,13 @@ Patch304: glibc-resolv-mdnshint.diff
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# PATCH-FIX-OPENSUSE disable rewriting ::1 to 127.0.0.1 for /etc/hosts bnc#684534, bnc#706719
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Patch306: glibc-fix-double-loopback.diff
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%if %{without snapshot}
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###
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# Patches from upstream
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###
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# PATCH-FIX-UPSTREAM arm: Remove wrong ldr from _dl_start_user (BZ #31339)
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Patch1000: arm-dl-start-user.patch
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%endif
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###
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# Patches awaiting upstream approval
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@ -512,31 +516,8 @@ have support for IPv6.
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%endif
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%prep
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%setup -n glibc-%{version} -q -a 4
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%patch6 -p1
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%patch7 -p1
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%patch8 -p1
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%patch10 -p1
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%patch13 -p1
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%patch14 -p1
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%patch15 -p1
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%patch19 -p1
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%patch20 -p1
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%patch21 -p1
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%autosetup -n glibc-%{version} -a 4 -p1
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%patch100 -p1
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%patch102 -p1
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%patch103 -p1
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%patch304 -p1
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%patch306 -p1
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%if %{without snapshot}
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%endif
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%patch2000 -p1
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%patch3000
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rm -f manpages/catchsegv.1
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%build
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@ -1008,11 +989,10 @@ rm -f %{buildroot}%{_bindir}/pldd
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rm -rf %{buildroot}%{_libdir}/audit
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%ifarch i686
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# Remove files from glibc-{extra,info,i18ndata}, nscd, libnsl1
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# Remove files from glibc-{extra,info,i18ndata}, nscd
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rm -rf %{buildroot}%{_infodir} %{buildroot}%{_prefix}/share/i18n
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rm -f %{buildroot}%{_bindir}/makedb %{buildroot}/var/lib/misc/Makefile
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rm -f %{buildroot}%{_sbindir}/nscd
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rm -f %{buildroot}%{slibdir}/libnsl.so.1
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%endif
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%ifnarch i686
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@ -1393,12 +1373,12 @@ exit 0
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/var/lib/misc/Makefile
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%files lang -f libc.lang
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%endif
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%ifarch %ix86 %alpha hppa m68k %mips32 %mips64 %sparc ppc ppc64 ppc64le x86_64 s390 s390x %arm aarch64 riscv64
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%files -n libnsl1
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%{slibdir}/libnsl.so.1
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%endif
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%endif
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%endif
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@ -1,7 +1,7 @@
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Index: manpages/locale.alias.5
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Index: ./manpages/locale.alias.5
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===================================================================
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--- manpages/locale.alias.5.orig
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+++ manpages/locale.alias.5
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--- ./manpages/locale.alias.5.orig
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+++ ./manpages/locale.alias.5
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@@ -18,7 +18,7 @@
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.SH "NAME"
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locale.alias \- Locale name alias data base
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