linux-kernel - Re: [PATCH v4] drivers/tty: Folding Android's keyreset driver in sysRQ

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-next>] [day] [month] [year] [list]

Message-ID: <CAPM=9tzyBuxwLS=0vAcF5h4vZnB01X7_1NbnMo0M=M454gwZBQ@mail.gmail.com>
Date:	Wed, 27 Feb 2013 18:26:29 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	mathieu.poirier@...aro.org, linux-kernel@...r.kernel.org,
	arve@...roid.com, kernel-team@...roid.com, john.stultz@...aro.org,
	alan@...rguk.ukuu.org.uk,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH v4] drivers/tty: Folding Android's keyreset driver in sysRQ

>
> this patch seems to be oopsing on my x86 32-bit machine on bootup, pic attached.
>
> .config attached.
>
> It looks to me like the weak bit isn't working so well
>
>         if (platform_sysrq_reset_seq) {
>                 for (i = 0; i < ARRAY_SIZE(sysrq_reset_seq); i++) {
>                         key = platform_sysrq_reset_seq[i];
>   6d:   66 8b 8c 00 00 00 00    mov    0x0(%eax,%eax,1),%cx
>   74:   00
>
> is around where it craps out.
> gcc version 4.7.2 20121109 (Red Hat 4.7.2-8) (GCC)
> Fedora 18 machine.

And just to confirm reverting
154b7a489a5b1d808323b933b04864958c2f1056.in Linus' tree allows boot to
proceed.

Dave.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/