seekdir dereferences null

Howland Craig D (Craig) howland@LGSInnovations.com
Thu Dec 4 13:11:00 GMT 2008


The same bug of not checking for dirp being NULL also seems to be in
telldir (in the same file, of course).  (_cleanupdir does not check,
either, but a cursory examination says that it probably does not
matter, as it would not be dereferenced.)
				Craig Howland 

-----Original Message-----
From: newlib-owner@sourceware.org [mailto:newlib-owner@sourceware.org]
On Behalf Of Joel Sherrill
Sent: Wednesday, December 03, 2008 3:47 PM
To: newlib@sources.redhat.com
Subject: Re: seekdir dereferences null

Patch attached this time. :)

Joel Sherrill wrote:
> Hi,
>
> Another bug picked up by the RTEMS test suite.
>
> seekdir(NULL, 0) core dumps.
>
> 2008-12-03  Joel Sherrill <joel.sherrill@oarcorp.com>
>
>     * libc/posix/telldir.c (_seekdir): Do not dereference NULL dirp.
>
>   


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