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[Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdes
From: |
dilfridge at gentoo dot org |
Subject: |
[Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP" |
Date: |
Tue, 03 Jan 2023 16:14:51 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=29843
--- Comment #8 from Andreas K. Huettel <dilfridge at gentoo dot org> ---
> > We apply a small patchset but I dont immediately see how it could be
> > relevant.
> > https://gitweb.gentoo.org/proj/toolchain/binutils-patches.git/tree/9999
> >
> > FAIL: ld-aarch64/tls-relax-gdesc-le-now
> > FAIL: BTI PLT with only GNU PROP
>
> I agree that at first glance that patch set does not look like it would cause
> these problems. But it would be nice to have it confirmed. ie, if you
> build
> a toolchain without any patches applied, do the failures still occur ?
Same result with the patchset disabled.
> I suspect that the issue might be cross-builds vs native. I was running the
> tests on an x86_64 Fedora box. Are you running the tests on native hardware
> ?
Yes, this is on native hardware.
My main suspicion lies on our gcc hardening patchset, I'm setting up a chroot
with a less-hardened gcc right now.
jiji /var/db/repos/gentoo/sys-devel/binutils # uname -a
Linux jiji 5.15.64-gentoo-dist #1 SMP Wed Aug 31 17:57:10 -00 2022 aarch64
GNU/Linux
jiji /var/db/repos/gentoo/sys-devel/binutils # ld.so --version
ld.so (Gentoo 2.36-r5 p5) stable release version 2.36.
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
jiji /var/db/repos/gentoo/sys-devel/binutils # ld --version
GNU ld (Gentoo 2.39 p5) 2.39.0
Copyright (C) 2022 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) a later version.
This program has absolutely no warranty.
jiji /var/db/repos/gentoo/sys-devel/binutils # gcc --version
gcc (Gentoo Hardened 11.3.1_p20221209 p3) 11.3.1 20221209
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
jiji /var/db/repos/gentoo/sys-devel/binutils # lscpu
Architecture: aarch64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 80
On-line CPU(s) list: 0-79
Vendor ID: ARM
BIOS Vendor ID: Ampere(R)
Model name: Neoverse-N1
BIOS Model name: Ampere(R) Altra(R) Processor Q80-30 CPU @ 2.8GHz
BIOS CPU family: 257
Model: 1
Thread(s) per core: 1
Core(s) per socket: 80
Socket(s): 1
Stepping: r3p1
Frequency boost: disabled
CPU(s) scaling MHz: 54%
CPU max MHz: 3000.0000
CPU min MHz: 1000.0000
BogoMIPS: 50.08
Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp
asimdhp cpuid asimdrdm lrcpc dcpop asimddp ssbs
Caches (sum of all):
L1d: 5 MiB (80 instances)
L1i: 5 MiB (80 instances)
L2: 80 MiB (80 instances)
NUMA:
NUMA node(s): 1
NUMA node0 CPU(s): 0-79
Vulnerabilities:
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Not affected
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Spectre v1: Mitigation; __user pointer sanitization
Spectre v2: Mitigation; CSV2, BHB
Srbds: Not affected
Tsx async abort: Not affected
jiji /var/db/repos/gentoo/sys-devel/binutils #
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- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", dilfridge at gentoo dot org, 2023/01/03
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", dilfridge at gentoo dot org, 2023/01/03
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", nickc at redhat dot com, 2023/01/03
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP",
dilfridge at gentoo dot org <=
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", nickc at redhat dot com, 2023/01/03
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", dilfridge at gentoo dot org, 2023/01/03
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", dilfridge at gentoo dot org, 2023/01/03
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", cvs-commit at gcc dot gnu.org, 2023/01/04
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", cvs-commit at gcc dot gnu.org, 2023/01/04
- [Bug ld/29843] binutils-2.40 ld test failures "ld-aarch64/tls-relax-gdesc-le-now", "BTI PLT with only GNU PROP", nickc at redhat dot com, 2023/01/04