netdev - Re: [Patch net] net: saving irq context for peernet2id()

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Date:   Thu, 20 Oct 2016 21:47:42 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Paul Moore <paul@...l-moore.com>
Cc:     Stephen Smalley <sds@...ho.nsa.gov>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Elad Raz <e@...draz.com>, Richard Guy Briggs <rgb@...hat.com>
Subject: Re: [Patch net] net: saving irq context for peernet2id()

On Thu, Oct 20, 2016 at 4:35 PM, Cong Wang <xiyou.wangcong@...il.com> wrote:
> Since you want to test SELinux anyway, please test the attached one.
>

Finally my kernel config is friendly to SELinux, and now there are several
tests fails:


Test Summary Report
-------------------
sysctl/test           (Wstat: 0 Tests: 4 Failed: 2)
  Failed tests:  1-2
mmap/test             (Wstat: 0 Tests: 44 Failed: 2)
  Failed tests:  20, 26
overlay/test          (Wstat: 65280 Tests: 0 Failed: 0)
  Non-zero exit status: 255
  Parse errors: Bad plan.  You planned 121 tests but ran 0.
Files=44, Tests=306, 47 wallclock secs ( 0.23 usr  0.30 sys +  1.00
cusr  7.35 csys =  8.88 CPU)
Result: FAIL

Seems not related to my patch?

And, there is a kernel warning which is totally unrelated to my code:


[  136.788836] ------------[ cut here ]------------
[  136.793046] WARNING: CPU: 1 PID: 1345 at fs/locks.c:615
locks_unlink_lock_ctx+0xc7/0xcc
[  136.799829] CPU: 1 PID: 1345 Comm: test_lease Not tainted 4.8.0+ #271
[  136.803814] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.803814]  ffffc900036bfd38 ffffffff8152c08e 0000000000000000
0000000000000000
[  136.803814]  ffffc900036bfd78 ffffffff810841c0 00000267036bfc88
ffff8800db2371e8
[  136.803814]  ffff8800db26f4c0 ffffc900036bfe00 ffffc900036bfe00
ffff8800db239240
[  136.803814] Call Trace:
[  136.803814]  [<ffffffff8152c08e>] dump_stack+0x67/0x90
[  136.803814]  [<ffffffff810841c0>] __warn+0xbd/0xd8
[  136.803814]  [<ffffffff81084297>] warn_slowpath_null+0x1d/0x1f
[  136.803814]  [<ffffffff8121b9cb>] locks_unlink_lock_ctx+0xc7/0xcc
[  136.803814]  [<ffffffff8121bd9e>] locks_delete_lock_ctx+0x17/0x3a
[  136.803814]  [<ffffffff8121be71>] lease_modify+0xb0/0xb9
[  136.803814]  [<ffffffff8121e868>] locks_remove_file+0x93/0xbd
[  136.803814]  [<ffffffff811d903d>] __fput+0xd0/0x19b
[  136.803814]  [<ffffffff811d913e>] ____fput+0xe/0x10
[  136.803814]  [<ffffffff8109ff86>] task_work_run+0x6c/0x97
[  136.803814]  [<ffffffff8100188a>] prepare_exit_to_usermode+0xb0/0xcc
[  136.803814]  [<ffffffff81001a04>] syscall_return_slowpath+0x15e/0x1c2
[  136.803814]  [<ffffffff81001ad7>] do_syscall_64+0x6f/0x76
[  136.803814]  [<ffffffff81b22424>] entry_SYSCALL64_slow_path+0x25/0x25
[  138.538370] ---[ end trace 90914a16bd3272b8 ]---