[OE-core] [PATCH v3] pseudo: Fix openat() with a symlink pointing to a directory

[Jason Wessel]

On 8/6/19 9:20 AM, Richard Purdie wrote:
> On Mon, 2019-08-05 at 09:32 -0700, Jason Wessel wrote:
>> While working with ostree disk generation in conjunction with wic, I
>> found a problem with pseudo where it tried to resolve a symlink when
>> it shouldn't, based on openat() flags. A C program has been
>> constructed to test pseudo to show that it is working properly with
>> the correct behavior around openat().
>>
> [...]
>>
>> Many thanks to Peter Seebach for fixing the problem in the pseudo
>> code
>> to use the same logic which was already there for the
>> AT_SYMLINK_NOFOLLOW.
>>
>> Also updated is the license MD5 checksum since the master branch of
>> pseudo has had the SPDX data updated.
>>
>> Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
>> ---
>>   meta/recipes-devtools/pseudo/pseudo.inc    | 2 +-
>>   meta/recipes-devtools/pseudo/pseudo_git.bb | 2 +-
>>   2 files changed, 2 insertions(+), 2 deletions(-)
> 
> pseudo-native didn't build on fedora28 or centos7:
> 
> http://errors.yoctoproject.org/Errors/Latest/?filter=9382629d4bbcd26196c36d31ffdf097b30023150&type=commit&limit=150
> 
> (see the pseudo-native failures).
> 
> It looks like an issue on hosts which don't have zlib-devel installed,

> at a very approximate guess -  I've not been able to look in detail.
> 

I'll try and setup a test, since I can easily run fedora28.   I wonder if we can just use zlib-native to solve it, or if it is a a chicken-egg problem with the early boot strap.

Jason.