[LTP] open14 and openat03 failed on arm64

[Jan Stancek <jstancek@redhat.com>]

----- Original Message -----
> From: "Naresh Kamboju" <naresh.kamboju@linaro.org>
> To: ltp@lists.linux.it
> Cc: "Milosz Wasilewski" <milosz.wasilewski@linaro.org>
> Sent: Friday, 27 January, 2017 2:03:27 PM
> Subject: [LTP] open14 and openat03 failed on arm64
> 
> Hi LTP Team,
> 
> Test cases open14.c and openat03.c failed on arm64 on latest Linux kernel
> 4.9.x.

There was a known glibc bug associated with these 2 tests, and also possible
issue with tmpfs, see this for details:
  https://github.com/linux-test-project/ltp/issues/118

> 
> Have you noticed these failures on x86_64 and other architectures and
> which kernel version ?
> 
> Test output:
> -----------------
> create multiple directories, link files into them
> and check file permissions
> file mode read 0, but expected
> file mode read 0, but expected 7755
> file mode read 0, but expected 1
> file mode read 0, but expected 755
> file mode read 0, but expected 644
> file mode read 0, but expected 440
> 
> Linux version 4.9.0-rc6-00086-g3b404a5 (broonie@optimist) (gcc version
> 5.1.1 20150608 (Linaro GCC 5.1-2015.08) ) #1 SMP PREEMPT Tue Nov 22
> 04:14:54 GMT 2016
> 
> Test case is trimmed version of LTP,
> you can find test case here in this link
> [1] http://people.linaro.org/~naresh.kamboju/open14-arm64-test.c
> [2] http://people.linaro.org/~naresh.kamboju/open14-x86-test.c
> 
> Best regards
> Naresh Kamboju
> 
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