Re: [PATCH 07/12] vfs: do get_write_access() on upper layer of overlayfs

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

 



On Wed, Oct 19, 2016 at 11:12 AM, Miklos Szeredi <miklos@xxxxxxxxxx> wrote:
> On Wed, Oct 19, 2016 at 9:41 AM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
>
>> But I noticed a strange behavior:
>> When you run t_truncate_self from upper you get success for not being
>> able to truncate.
>> When you run t_truncate_self from lower you get an error for being
>> able to truncate
>> This is ok as you write, but...
>> When you re-run t_truncate_self file that just got copied-up you get
>> segmentation fault
>> and that is not ok.
>>
>> You get try the patch to xfstest below to reproduce the problem:
>
> Why would a program want to self truncate itself, except to test denywrite?
>


Forget it. my re-run test was silly. Because the truncate succeeded
it was trying to run a corrupted executable.

I will send patches to fix the test according to new behavior.

Thanks,
Amir.
--
To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Filesystems Devel]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux