linux-kernel - Re: [PATCH v2 04/10] seccomp: Migrate to use SYSCALL

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Date:   Tue, 24 Nov 2020 12:55:39 -0500
From:   Gabriel Krisman Bertazi <krisman@...labora.com>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     tglx@...utronix.de, hch@...radead.org, mingo@...hat.com,
        keescook@...omium.org, arnd@...db.de, luto@...capital.net,
        wad@...omium.org, rostedt@...dmis.org, paul@...l-moore.com,
        eparis@...hat.com, oleg@...hat.com, linux-arch@...r.kernel.org,
        linux-kernel@...r.kernel.org, x86@...nel.org, kernel@...labora.com,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>
Subject: Re: [PATCH v2 04/10] seccomp: Migrate to use SYSCALL_WORK flag

Dmitry Osipenko <digetx@...il.com> writes:

> Hi,
>
> This patch broke seccomp on arm32 using linux-next, chromium browser
> doesn't work anymore and there are these errors in KMSG:
>
> Unhandled prefetch abort: breakpoint debug exception (0x002) at ...
>
> Note that arm doesn't use CONFIG_GENERIC_ENTRY. Please fix, thanks in
> advance.

Hi Dmitry,

I believe this is the same problem reported yesterday on this thread

  https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg2390444.html

can you please try the patch I shared on that thread?

  https://lore.kernel.org/patchwork/patch/1344098/

Thanks,

-- 
Gabriel Krisman Bertazi