linux-kernel - Re: [PATCH v4 8/8] LoongArch: Add ORC stack unwinder support

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] [day] [month] [year] [list]

Date:   Fri, 27 Oct 2023 17:31:01 +0800
From:   Huacai Chen <chenhuacai@...nel.org>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org,
        loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH v4 8/8] LoongArch: Add ORC stack unwinder support

On Fri, Oct 27, 2023 at 5:25 PM Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:
>
>
>
> On 10/27/2023 03:02 PM, Huacai Chen wrote:
> > v3 works in most cases, v4 cannot work completely (stop at show_stack), why?
>
> There are no obvious differences of this patch between v3 and v4.
>
> > [   61.642993] Call Trace:
> > [   61.642995] [<9000000002ad3808>] show_stack+0x40/0x17c
>
> I can not reproduce the above issue with this patch unless remove
> the option "-falign-functions" in arch/loongarch/Makefile, please
> make sure the option "-falign-functions" is in your test code.
A compiler issue? Can you try this one? Thanks.
https://mirrors.wsyu.edu.cn/fedora/linux/Yongbao/cross-toolchain/20231026/

Huacai

>
> Thanks,
> Tiezhu
>
>