lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 3 Dec 2021 15:14:35 +0100 From: Alexander Lobakin <alexandr.lobakin@...el.com> To: Peter Zijlstra <peterz@...radead.org> Cc: Alexander Lobakin <alexandr.lobakin@...el.com>, linux-hardening@...r.kernel.org, x86@...nel.org, Jesse Brandeburg <jesse.brandeburg@...el.com>, Kristen Carlson Accardi <kristen@...ux.intel.com>, Kees Cook <keescook@...omium.org>, Miklos Szeredi <miklos@...redi.hu>, Ard Biesheuvel <ardb@...nel.org>, Tony Luck <tony.luck@...el.com>, Bruce Schlobohm <bruce.schlobohm@...el.com>, Jessica Yu <jeyu@...nel.org>, kernel test robot <lkp@...el.com>, Miroslav Benes <mbenes@...e.cz>, Evgenii Shatokhin <eshatokhin@...tuozzo.com>, Jonathan Corbet <corbet@....net>, Masahiro Yamada <masahiroy@...nel.org>, Michal Marek <michal.lkml@...kovi.net>, Nick Desaulniers <ndesaulniers@...gle.com>, Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller" <davem@...emloft.net>, Thomas Gleixner <tglx@...utronix.de>, Will Deacon <will@...nel.org>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>, Andy Lutomirski <luto@...nel.org>, Arnd Bergmann <arnd@...db.de>, Josh Poimboeuf <jpoimboe@...hat.com>, Nathan Chancellor <nathan@...nel.org>, Masami Hiramatsu <mhiramat@...nel.org>, Marios Pomonis <pomonis@...gle.com>, Sami Tolvanen <samitolvanen@...gle.com>, linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org, linux-arch@...r.kernel.org, live-patching@...r.kernel.org, llvm@...ts.linux.dev Subject: Re: [PATCH v8 08/14] livepatch: only match unique symbols when using FG-KASLR From: Peter Zijlstra <peterz@...radead.org> Date: Fri, 3 Dec 2021 11:05:54 +0100 > On Thu, Dec 02, 2021 at 11:32:08PM +0100, Alexander Lobakin wrote: > > If any type of function granular randomization is enabled, the sympos > > algorithm will fail, as it will be impossible to resolve symbols when > > there are duplicates using the previous symbol position. > > > > We could override sympos to 0, but make it more clear to the user > > and bail out if the symbol is not unique. > > Since we're going lots of horrendous things already, why can't we fix > this duplicate nonsense too? Oh, I see a ton of code duplication here in Kristen's code as well. I'll address it. Al
Powered by blists - more mailing lists