Re: [PATCH 0/25] Sysfs cleanups & tagged directory support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Tejun Heo wrote:
> Eric W. Biederman wrote:
>> Tejun Heo <[email protected]> writes:
>>
>>> Cornelia Huck wrote:
>>>> On Wed, 08 Aug 2007 23:35:36 +0900,
>>>> Tejun Heo <[email protected]> wrote:
>>>>
>>>>> Does the attached patch happen to fix the problem?
>>>> Indeed it does; thanks!
>>> Yeah, you seem to have 32bit off_t.  UINT_MAX overflows, so...
>> Weird.  And we have it opening the directory O_LARGEFILE.
>>
>> I have no problems with the fix though.
> 
> It's probably because of struct dirent definition used by readdir().

More specifically, d_off field.  It's a bit twisted.  For the last
entry, filp->f_pos gets written into the field and gets wrapped while
being copied out to userland or in glibc.

-- 
tejun
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux