From: Florian Weimer <fweimer@redhat.com>
To: Yu-cheng Yu <yu-cheng.yu@intel.com>
Cc: Dave Martin <Dave.Martin@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
linux-mm@kvack.org, linux-arch@vger.kernel.org,
linux-api@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>,
Andy Lutomirski <luto@amacapital.net>,
Balbir Singh <bsingharora@gmail.com>,
Borislav Petkov <bp@alien8.de>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Eugene Syromiatnikov <esyr@redhat.com>,
"H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>,
Jonathan Corbet <corbet@lwn.net>,
Kees Cook <keescook@chromium.org>,
Mike Kravetz <mike.kravetz@oracle.com>,
Nadav Amit <nadav.amit@gmail.com>,
Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>,
Randy Dunlap <rdunlap@infradead.org>,
"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>
Subject: Re: [PATCH v7 22/27] binfmt_elf: Extract .note.gnu.property from an ELF file
Date: Tue, 18 Jun 2019 17:49:50 +0200 [thread overview]
Message-ID: <87pnna7v1d.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: d54fe81be77b9edd8578a6d208c72cd7c0b8c1dd.camel@intel.com
* Yu-cheng Yu:
> The kernel looks at only ld-linux. Other applications are loaded by ld-linux.
> So the issues are limited to three versions of ld-linux's. Can we somehow
> update those??
I assumed that it would also parse the main executable and make
adjustments based on that.
ld.so can certainly provide whatever the kernel needs. We need to tweak
the existing loader anyway.
No valid statically-linked binaries exist today, so this is not a
consideration at this point.
Thanks,
Florian
next prev parent reply other threads:[~2019-06-18 15:50 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-06 20:06 [PATCH v7 00/27] Control-flow Enforcement: Shadow Stack Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 01/27] Documentation/x86: Add CET description Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 02/27] x86/cpufeatures: Add CET CPU feature flags for Control-flow Enforcement Technology (CET) Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 03/27] x86/fpu/xstate: Change names to separate XSAVES system and user states Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 04/27] x86/fpu/xstate: Introduce XSAVES system states Yu-cheng Yu
2019-06-06 21:18 ` Dave Hansen
2019-06-06 22:04 ` Andy Lutomirski
2019-06-06 22:08 ` Dave Hansen
2019-06-06 22:10 ` Yu-cheng Yu
2019-06-07 1:54 ` Andy Lutomirski
2019-06-06 20:06 ` [PATCH v7 05/27] x86/fpu/xstate: Add XSAVES system states for shadow stack Yu-cheng Yu
2019-06-07 7:07 ` Peter Zijlstra
2019-06-07 16:14 ` Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 06/27] x86/cet: Add control protection exception handler Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 07/27] x86/cet/shstk: Add Kconfig option for user-mode shadow stack Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 08/27] mm: Introduce VM_SHSTK for shadow stack memory Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 09/27] mm/mmap: Prevent Shadow Stack VMA merges Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 10/27] x86/mm: Change _PAGE_DIRTY to _PAGE_DIRTY_HW Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 11/27] x86/mm: Introduce _PAGE_DIRTY_SW Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 12/27] drm/i915/gvt: Update _PAGE_DIRTY to _PAGE_DIRTY_BITS Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 13/27] x86/mm: Modify ptep_set_wrprotect and pmdp_set_wrprotect for _PAGE_DIRTY_SW Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 14/27] x86/mm: Shadow stack page fault error checking Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 15/27] mm: Handle shadow stack page fault Yu-cheng Yu
2019-06-07 7:30 ` Peter Zijlstra
2019-06-06 20:06 ` [PATCH v7 16/27] mm: Handle THP/HugeTLB " Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 17/27] mm: Update can_follow_write_pte/pmd for shadow stack Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 18/27] mm: Introduce do_mmap_locked() Yu-cheng Yu
2019-06-07 7:43 ` Peter Zijlstra
2019-06-07 7:47 ` Peter Zijlstra
2019-06-07 16:16 ` Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 19/27] x86/cet/shstk: User-mode shadow stack support Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 20/27] x86/cet/shstk: Introduce WRUSS instruction Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 21/27] x86/cet/shstk: Handle signals for shadow stack Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 22/27] binfmt_elf: Extract .note.gnu.property from an ELF file Yu-cheng Yu
2019-06-07 7:58 ` Peter Zijlstra
2019-06-07 16:17 ` Yu-cheng Yu
2019-06-07 18:01 ` Dave Martin
2019-06-10 16:29 ` Yu-cheng Yu
2019-06-10 16:57 ` Dave Martin
2019-06-10 17:24 ` Florian Weimer
2019-06-11 11:41 ` Dave Martin
2019-06-11 19:31 ` Yu-cheng Yu
2019-06-12 9:32 ` Dave Martin
2019-06-12 19:04 ` Yu-cheng Yu
2019-06-13 13:26 ` Dave Martin
2019-06-17 11:08 ` Florian Weimer
2019-06-17 12:20 ` Thomas Gleixner
2019-06-18 9:12 ` Dave Martin
2019-06-18 12:41 ` Peter Zijlstra
2019-06-18 12:47 ` Florian Weimer
2019-06-18 12:55 ` Peter Zijlstra
2019-06-18 13:32 ` Dave Martin
2019-06-18 14:58 ` Yu-cheng Yu
2019-06-18 15:49 ` Florian Weimer [this message]
2019-06-18 15:53 ` Yu-cheng Yu
2019-06-18 16:05 ` Florian Weimer
2019-06-18 16:00 ` Yu-cheng Yu
2019-06-18 16:20 ` Dave Martin
2019-06-18 16:25 ` Florian Weimer
2019-06-18 16:50 ` Dave Martin
2019-06-06 20:06 ` [PATCH v7 23/27] x86/cet/shstk: ELF header parsing of Shadow Stack Yu-cheng Yu
2019-06-07 7:54 ` Peter Zijlstra
2019-06-06 20:06 ` [PATCH v7 24/27] x86/cet/shstk: Handle thread shadow stack Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 25/27] mm/mmap: Add Shadow stack pages to memory accounting Yu-cheng Yu
2019-06-11 17:55 ` Dave Hansen
2019-06-11 19:22 ` Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 26/27] x86/cet/shstk: Add arch_prctl functions for Shadow Stack Yu-cheng Yu
2019-06-06 20:06 ` [PATCH v7 27/27] x86/cet/shstk: Add Shadow Stack instructions to opcode map Yu-cheng Yu
2019-11-01 14:03 ` Adrian Hunter
2019-11-01 14:17 ` Yu-cheng Yu
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