linux-kernel - Re: [PATCH] printk: inject caller information into the body of message

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]

Date:   Fri, 18 May 2018 14:54:39 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        syzkaller <syzkaller@...glegroups.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Fengguang Wu <fengguang.wu@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] printk: inject caller information into the body of
 message

On Fri 2018-05-18 14:25:57, Dmitry Vyukov wrote:
> > On Thu 2018-05-17 20:21:35, Sergey Senozhatsky wrote:
> >> Dunno...
> >> For instance, can we store context tracking info as a extended record
> >> data? We have that dict/dict_len thing. So may we can store tracking
> >> info there? Extended records will appear on the serial console /* if
> >> console supports extended data */ or can be read in via devkmsg_read().
> 
> What consoles do support it?
> We are interested at least in qemu console, GCE console and Android
> phone consoles. But it would be pity if this can't be used on various
> development boards too.

Only the netconsole is able to show the extended (dict)
information at the moment. Search for CON_EXTENDED flag.

Best Regards,
Petr