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3.18.1-8 Add valgrind-3.18.1-s390x-wflrx.patch

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Resolves: #2035807
Valgrind crashes with illegal instruction error on s390x when trying to
build snapd package for EPEL 9
This commit is contained in:
Mark Wielaard 2022-01-13 13:39:23 +01:00
parent 3eb0ee5913
commit f2fdb4985d
2 changed files with 40 additions and 2 deletions
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33
valgrind-3.18.1-s390x-wflrx.patch Normal file
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@ -0,0 +1,33 @@
From da3b331c63a6aec0ec3206b1d9ca0df9bced3338 Mon Sep 17 00:00:00 2001
From: Andreas Arnez <arnez@linux.ibm.com>
Date: Mon, 3 Jan 2022 18:15:05 +0100
Subject: [PATCH] s390: Fix VFLRX and WFLRX instructions
Due to a typo in s390_irgen_VFLR, the VFLR instruction behaves incorrectly
when its m3 field contains 4, meaning extended format. In that case VFLR
is also written as VFLRX (or WFLRX) and supposed to round down from the
extended 128-bit format to the long 64-bit format. However, the typo
checks for m3 == 2 instead, so the value of 4 is unhandled, causing
Valgrind to throw a specification exception.
This fixes the typo.
---
VEX/priv/guest_s390_toIR.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/VEX/priv/guest_s390_toIR.c b/VEX/priv/guest_s390_toIR.c
index fffc563d4..3ef104fcd 100644
--- a/VEX/priv/guest_s390_toIR.c
+++ b/VEX/priv/guest_s390_toIR.c
@@ -19008,7 +19008,7 @@ s390_irgen_VFLL(UChar v1, UChar v2, UChar m3, UChar m4, UChar m5)
static const HChar *
s390_irgen_VFLR(UChar v1, UChar v2, UChar m3, UChar m4, UChar m5)
{
- s390_insn_assert("vflr", m3 == 3 || (s390_host_has_vxe && m3 == 2));
+ s390_insn_assert("vflr", m3 == 3 || (s390_host_has_vxe && m3 == 4));
if (m3 == 3)
s390_vector_fp_convert(Iop_F64toF32, Ity_F64, Ity_F32, True,
--
2.31.1

9
valgrind.spec
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@ -3,7 +3,7 @@
Summary: Tool for finding memory management bugs in programs
Name: %{?scl_prefix}valgrind
Version: 3.18.1
Release: 6%{?dist}
Release: 8%{?dist}
Epoch: 1
License: GPLv2+
URL: http://www.valgrind.org/
@ -137,6 +137,9 @@ Patch20: valgrind-3.18.1-s390x-vdso.patch
# KDE#447995 Valgrind segfault on power10 due to hwcap checking code
Patch21: valgrind-3.18.1-ppc-hwcaps.patch
# KDE#447991 s390x: Valgrind indicates illegal instruction on wflrx
Patch22: valgrind-3.18.1-s390x-wflrx.patch
BuildRequires: make
BuildRequires: glibc-devel
@ -290,6 +293,7 @@ Valgrind User Manual for details.
%patch19 -p1
%patch20 -p1
%patch21 -p1
%patch22 -p1
%build
# LTO triggers undefined symbols in valgrind. Valgrind has a --enable-lto
@ -519,8 +523,9 @@ fi
%endif
%changelog
* Thu Jan 13 2022 Mark Wielaard <mjw@redhat.com>
* Thu Jan 13 2022 Mark Wielaard <mjw@redhat.com> - 3.18.1-8
- Add valgrind-3.18.1-ppc-hwcaps.patch
- Add valgrind-3.18.1-s390x-wflrx.patch
* Tue Dec 14 2021 Mark Wielaard <mjw@redhat.com> - 3.18.1-6
- Add valgrind-3.18.1-rseq-enosys.patch