linux-kernel - Re: [BUG] NULL pointer dereference in uart_write

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 06 May 2008 09:03:09 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	rmk@....linux.org.uk, linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG] NULL pointer dereference in uart_write_room().

Alan Cox wrote:
>> (5) uart_remove_one_port() is called by serial8250_register_port()
>>     since ttyS0 is already in use but it is requested to be once removed.
>>     
>
> That means 8250_pnp is taking over and then trying to delete the console,
> so its breakage in the serial layer glue. Perhaps Russell has some ideas
> as its hard to tell what he intended to happen originally.
>   
For what it's worth, I've been seeing this problem since about 2.6.23 on 
several
different systems, and will be happy to test patches.  The work-around 
of changing
the .config file will be fine in the meantime, it seems.

Thanks,
Ben

> Alan
> --
> 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/
>   


-- 
Ben Greear <greearb@...delatech.com> 
Candela Technologies Inc  http://www.candelatech.com


--
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/