linux-kernel - [lkp-robot] [ipmi_si] d830f6514c: WARNING:at_drivers/base/driver.c:#driver

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Date:   Sun, 17 Sep 2017 09:43:14 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Corey Minyard <cminyard@...sta.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Corey Minyard <cminyard@...sta.com>, lkp@...org
Subject: [lkp-robot] [ipmi_si]  d830f6514c:
 WARNING:at_drivers/base/driver.c:#driver_unregister


FYI, we noticed the following commit:

commit: d830f6514cdf359bcd7201306ac792ffa27f7966 ("ipmi_si: Move platform device handling to another file")
https://github.com/cminyard/linux-ipmi master-ipmi-rebase

in testcase: trinity
with following parameters:

	runtime: 300s

test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/


on test machine: qemu-system-i386 -enable-kvm -m 256M

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+-------------------------------------------------------------+------------+------------+
|                                                             | f479f8111d | d830f6514c |
+-------------------------------------------------------------+------------+------------+
| boot_successes                                              | 0          | 0          |
| boot_failures                                               | 12         | 10         |
| WARNING:at_arch/x86/mm/tlb.c:#initialize_tlbstate_and_flush | 12         | 10         |
| EIP:initialize_tlbstate_and_flush                           | 12         | 10         |
| WARNING:at_drivers/base/driver.c:#driver_unregister         | 0          | 10         |
| EIP:driver_unregister                                       | 0          | 10         |
+-------------------------------------------------------------+------------+------------+



[    2.815872] WARNING: CPU: 0 PID: 1 at drivers/base/driver.c:191 driver_unregister+0x1a/0x33
[    2.817118] CPU: 0 PID: 1 Comm: swapper Tainted: G        W       4.13.0-06701-gd830f651 #12
[    2.817953] task: 8742e000 task.stack: 87430000
[    2.818413] EIP: driver_unregister+0x1a/0x33
[    2.818869] EFLAGS: 00210286 CPU: 0
[    2.819223] EAX: 0000001d EBX: 7a116214 ECX: 00000006 EDX: 00000007
[    2.819847] ESI: ffffffed EDI: 00000000 EBP: 87431f08 ESP: 87431f00
[    2.820558]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    2.821095] CR0: 80050033 CR2: 00000000 CR3: 01904000 CR4: 00000690
[    2.821718] Call Trace:
[    2.821973]  platform_driver_unregister+0xb/0xd
[    2.822405]  cleanup_ipmi_si+0x2a/0x73
[    2.822775]  init_ipmi_si+0x149/0x16a
[    2.823126]  ? ipmi_thread+0x18b/0x18b
[    2.823488]  do_one_initcall+0x7c/0x114
[    2.823862]  ? parse_args+0x135/0x1f7
[    2.824227]  ? kernel_init_freeable+0xba/0x156
[    2.824674]  kernel_init_freeable+0xdd/0x156
[    2.825108]  ? rest_init+0x108/0x108
[    2.825460]  kernel_init+0x8/0xcb
[    2.825815]  ret_from_fork+0x19/0x24
[    2.826178] Code: dc ff 5d c3 55 8b 40 3c 89 e5 e8 32 eb dc ff 5d c3 55 85 c0 89 e5 53 74 08 83 78 3c 00 89 c3 75 0f 68 56 81 6b 79 e8 c6 dd d1 ff <0f> ff 58 eb 0f 8b 50 34 e8 cc ff ff ff 89 d8 e8 7a eb ff ff 8b
[    2.828225] ---[ end trace aff8a0f3cdf046d6 ]---


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script  # job-script is attached in this email



Thanks,
Xiaolong

View attachment "config-4.13.0-06701-gd830f651" of type "text/plain" (66560 bytes)

View attachment "job-script" of type "text/plain" (3670 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (9148 bytes)