linux-kernel - Re: [PATCH v2 06/11] x86/unwind/orc: Convert global variables to static

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240229184027.45609c0f@gandalf.local.home>
Date: Thu, 29 Feb 2024 18:40:27 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Josh Poimboeuf <jpoimboe@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>, Vince
 Weaver <vincent.weaver@...ne.edu>, Dave Jones <dsj@...com>, Jann Horn
 <jannh@...gle.com>, Miroslav Benes <mbenes@...e.cz>, Andy Lutomirski
 <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Masami Hiramatsu
 <mhiramat@...nel.org>, Nilay Vaish <nilayvaish@...gle.com>
Subject: Re: [PATCH v2 06/11] x86/unwind/orc: Convert global variables to
 static

On Wed, 28 Feb 2024 16:42:52 -0800
Josh Poimboeuf <jpoimboe@...nel.org> wrote:

> DWARF isn't needed for that.  Even the symbol table has it (as does
> System.map).  For both globals and statics.

Interesting enough, it is reported that if lookup_num_blocks is global,
crash returns the proper value. If it is static, it just returns "1", which
is incorrect (the correct value is around 60K).

-- Steve