linux-kernel - Re: [PATCH 1/3] usb console: fix mutex lock regression

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:	Wed, 16 Sep 2009 22:32:39 -0500
From:	Jason Wessel <jason.wessel@...driver.com>
To:	Alan Stern <stern@...land.harvard.edu>
CC:	gregkh@...e.de, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] usb console: fix mutex lock regression

Alan Stern wrote:
> On Wed, 16 Sep 2009, Jason Wessel wrote:
>
>   
>> During the 2.6.32 development the use of serial->disc_mutex was
>> introduced.  In usb_console_setup() the call to
>> usb_serial_get_by_index() will obtain this mutex. The
>> usb_console_setup() must release the mutex before it completes else
>> later calls to the usb serial core will hang.
>>     
>
> Apparently you didn't see my patch:
>
> 	http://marc.info/?l=linux-usb&m=125209260714221&w=2
>
> Did this not get into linus-next?  Greg?
>
>   

Maybe it was not merged at the time.   We'll wait to hear from Greg.

Certainly I would opt to use your more complete implementation. 


Jason.
--
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/