[arch-general] [arch-dev-public] [signoff] bash-4.2.005 and readline-6.2.001

[Allan McRae]

On 01/03/11 23:57, Evangelos Foutras wrote:
> On Tue, Mar 1, 2011 at 11:39 AM, Eric Bélanger<snowmaniscool at gmail.com>  wrote:
>> Another -1.  I would recommand everyone to downgrade to the previous
>> versions before rebooting or halting their systems. I had to boot from
>> a live CD in order to downgrade them.
>>
>> When shutting down, the following was printed:
>>
>> INIT: Switching to runlevel: 6
>> INIT: Sending process the TERM signal
>> INIT: no more process left in this runlevel.
>>
>> And then it just hangs.
>>
>> On bootup, i got a message about rc.sysinit getting a segfault in
>> bash. Then some errors about not finding the qingy libraries (I use
>> qingy as login manager) probably related to the mount issue that Angel
>> mentionned.  Then it hangs.
>
> `unset TZ' is the simplest test case that causes a segmentation fault
> on my system.
>
> The culprit appears to be the chkexport function introduced in patch
> bash42-005 [1]. From the backtrace [2], I gather it should probably
> check that find_variable returns a non-NULL value. Changing the line
> after the find_variable call to read "if (v&&  exported_p (v))" fixes
> the issue for me.
>
> I've sent a bug report to bug-bash at gnu.org using the neat bashbug command. :p
>
> [1] http://ftp.gnu.org/gnu/bash/bash-4.2-patches/bash42-005
> [2] http://ompldr.org/vN20yYg
>

I forwarded your analysis of the issue to the big-bash list as I am 
subscribed so it will get straight through.

Thanks for looking into this,
Allan