linux-kernel - Re: [syzbot? printk?] no WARN_ON() messages printed before "Kernel panic

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Message-ID: <20190318125019.GA2686@tigerII.localdomain>
Date:   Mon, 18 Mar 2019 21:50:19 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: [syzbot? printk?] no WARN_ON() messages printed before "Kernel
 panic - not syncing: panic_on_warn set ..."

On (03/18/19 13:32), Dmitry Vyukov wrote:
> Wait, but isn't SYSLOG_ACTION_CONSOLE_LEVEL what we are looking for?
> syzkaller knows about the syslog syscall:

There is also SYSLOG_ACTION_CONSOLE_OFF, which disables logging.

	-ss