[LTP] [PATCH] fs/proc01.c:add known issues

[Jan Stancek]

----- Original Message -----
> Test in ubuntu20.10,there are several failure tests.
> 
> proc01      1  TFAIL  :  proc01.c:396: read failed:
> /proc/self/task/61595/attr/smack/current: errno=EINVAL(22): Invalid argument
> proc01      2  TFAIL  :  proc01.c:396: read failed:
> /proc/self/task/61595/attr/apparmor/prev: errno=EINVAL(22): Invalid argument
> proc01      3  TFAIL  :  proc01.c:396: read failed:
> /proc/self/task/61595/attr/apparmor/exec: errno=EINVAL(22): Invalid argument
> proc01      4  TFAIL  :  proc01.c:396: read failed:
> /proc/self/attr/smack/current: errno=EINVAL(22): Invalid argument
> proc01      5  TFAIL  :  proc01.c:396: read failed:
> /proc/self/attr/apparmor/prev: errno=EINVAL(22): Invalid argument
> proc01      6  TFAIL  :  proc01.c:396: read failed:
> /proc/self/attr/apparmor/exec: errno=EINVAL(22): Invalid argument

I'm OK with ignoring it, but commit log could explain more why we get EINVAL
on read here.