linux-kernel - Re: [PATCH v3 1/2] arm64: Implement arch_stack_walk

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 for Android: free password hash cracker in your pocket

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

Message-ID: <alpine.LSU.2.21.2503261447500.4152@pobox.suse.cz>
Date: Wed, 26 Mar 2025 14:48:17 +0100 (CET)
From: Miroslav Benes <mbenes@...e.cz>
To: Song Liu <song@...nel.org>
cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
    linux-toolchains@...r.kernel.org, live-patching@...r.kernel.org, 
    indu.bhagat@...cle.com, puranjay@...nel.org, wnliu@...gle.com, 
    irogers@...gle.com, joe.lawrence@...hat.com, jpoimboe@...nel.org, 
    mark.rutland@....com, peterz@...radead.org, roman.gushchin@...ux.dev, 
    rostedt@...dmis.org, will@...nel.org, kernel-team@...a.com
Subject: Re: [PATCH v3 1/2] arm64: Implement arch_stack_walk_reliable

On Thu, 20 Mar 2025, Song Liu wrote:

> With proper exception boundary detection, it is possible to implment
> arch_stack_walk_reliable without sframe.
> 
> Note that, arch_stack_walk_reliable does not guarantee getting reliable
> stack in all scenarios. Instead, it can reliably detect when the stack
> trace is not reliable, which is enough to provide reliable livepatching.
> 
> Signed-off-by: Song Liu <song@...nel.org>

Looks good to me.

Reviewed-by: Miroslav Benes <mbenes@...e.cz>

M