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Groups > linux.kernel > #1562176 > unrolled thread
| Started by | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| First post | 2017-01-18 22:10 +0100 |
| Last post | 2017-01-19 02:00 +0100 |
| Articles | 3 — 2 participants |
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Re: [lkp-robot] e5a305ac4a: WARNING:at_lib/list_debug.c:#__list_del_entry_valid Andrew Morton <akpm@linux-foundation.org> - 2017-01-18 22:10 +0100
Re: [lkp-robot] e5a305ac4a: WARNING:at_lib/list_debug.c:#__list_del_entry_valid Ye Xiaolong <xiaolong.ye@intel.com> - 2017-01-19 01:50 +0100
Re: [lkp-robot] e5a305ac4a: WARNING:at_lib/list_debug.c:#__list_del_entry_valid Andrew Morton <akpm@linux-foundation.org> - 2017-01-19 02:00 +0100
| From | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| Date | 2017-01-18 22:10 +0100 |
| Subject | Re: [lkp-robot] e5a305ac4a: WARNING:at_lib/list_debug.c:#__list_del_entry_valid |
| Message-ID | <t15Et-O4-13@gated-at.bofh.it> |
On Wed, 18 Jan 2017 09:23:04 +0800 kernel test robot <xiaolong.ye@intel.com> wrote:
>
> FYI, we noticed the following commit:
>
> commit: e5a305ac4a5233e039586c97f4ea643a4c7dc484 ("Reimplement IDR and IDA using the radix tree")
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>
> 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
>
> ...
>
> [ 2.963488] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
> [ 2.964998] evbug: Connected device: input1 (AT Translated Set 2 keyboard at isa0060/serio0/input0)
> [ 2.966202] ------------[ cut here ]------------
> [ 2.966844] WARNING: CPU: 0 PID: 14 at lib/list_debug.c:55 __list_del_entry_valid+0x43/0xb0
> [ 2.968198] list_del corruption. next->prev should be bc904168, but was b215df80
> [ 2.969171] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.10.0-rc2-02114-ge5a305a #1
> [ 2.970209] Workqueue: events_long serio_handle_event
> [ 2.970893] Call Trace:
> [ 2.971217] dump_stack+0x16/0x19
> [ 2.971677] __warn+0xa5/0xc0
> [ 2.972074] warn_slowpath_fmt+0x28/0x30
Thanks.
That isn't a very good backtrace. Is that really the entire output?
>
> To reproduce:
>
> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
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| From | Ye Xiaolong <xiaolong.ye@intel.com> |
|---|---|
| Date | 2017-01-19 01:50 +0100 |
| Message-ID | <t195o-2Ne-19@gated-at.bofh.it> |
| In reply to | #1562176 |
On 01/18, Andrew Morton wrote:
>On Wed, 18 Jan 2017 09:23:04 +0800 kernel test robot <xiaolong.ye@intel.com> wrote:
>
>>
>> FYI, we noticed the following commit:
>>
>> commit: e5a305ac4a5233e039586c97f4ea643a4c7dc484 ("Reimplement IDR and IDA using the radix tree")
>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>>
>> 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
>>
>> ...
>>
>> [ 2.963488] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
>> [ 2.964998] evbug: Connected device: input1 (AT Translated Set 2 keyboard at isa0060/serio0/input0)
>> [ 2.966202] ------------[ cut here ]------------
>> [ 2.966844] WARNING: CPU: 0 PID: 14 at lib/list_debug.c:55 __list_del_entry_valid+0x43/0xb0
>> [ 2.968198] list_del corruption. next->prev should be bc904168, but was b215df80
>> [ 2.969171] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.10.0-rc2-02114-ge5a305a #1
>> [ 2.970209] Workqueue: events_long serio_handle_event
>> [ 2.970893] Call Trace:
>> [ 2.971217] dump_stack+0x16/0x19
>> [ 2.971677] __warn+0xa5/0xc0
>> [ 2.972074] warn_slowpath_fmt+0x28/0x30
>
>Thanks.
>
>That isn't a very good backtrace. Is that really the entire output?
Hmm, it is a fragment of the entire backtrace, the whole output can be found in
attached dmesg.xz, we'll try to paste the whole backtrace next time.
Thanks,
Xiaolong
>
>>
>> To reproduce:
>>
>> git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
>> cd lkp-tests
>> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
>
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| From | Andrew Morton <akpm@linux-foundation.org> |
|---|---|
| Date | 2017-01-19 02:00 +0100 |
| Message-ID | <t19f3-2Qy-1@gated-at.bofh.it> |
| In reply to | #1562348 |
On Thu, 19 Jan 2017 08:40:25 +0800 Ye Xiaolong <xiaolong.ye@intel.com> wrote:
> On 01/18, Andrew Morton wrote:
> >On Wed, 18 Jan 2017 09:23:04 +0800 kernel test robot <xiaolong.ye@intel.com> wrote:
> >
> >>
> >> FYI, we noticed the following commit:
> >>
> >> commit: e5a305ac4a5233e039586c97f4ea643a4c7dc484 ("Reimplement IDR and IDA using the radix tree")
> >> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> >>
> >> 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
> >>
> >> ...
> >>
> >> [ 2.963488] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
> >> [ 2.964998] evbug: Connected device: input1 (AT Translated Set 2 keyboard at isa0060/serio0/input0)
> >> [ 2.966202] ------------[ cut here ]------------
> >> [ 2.966844] WARNING: CPU: 0 PID: 14 at lib/list_debug.c:55 __list_del_entry_valid+0x43/0xb0
> >> [ 2.968198] list_del corruption. next->prev should be bc904168, but was b215df80
> >> [ 2.969171] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.10.0-rc2-02114-ge5a305a #1
> >> [ 2.970209] Workqueue: events_long serio_handle_event
> >> [ 2.970893] Call Trace:
> >> [ 2.971217] dump_stack+0x16/0x19
> >> [ 2.971677] __warn+0xa5/0xc0
> >> [ 2.972074] warn_slowpath_fmt+0x28/0x30
> >
> >Thanks.
> >
> >That isn't a very good backtrace. Is that really the entire output?
>
> Hmm, it is a fragment of the entire backtrace, the whole output can be found in
> attached dmesg.xz, we'll try to paste the whole backtrace next time.
Ah, OK, thanks. This:
[ 2.966202] ------------[ cut here ]------------
[ 2.966844] WARNING: CPU: 0 PID: 14 at lib/list_debug.c:55 __list_del_entry_valid+0x43/0xb0
[ 2.968198] list_del corruption. next->prev should be bc904168, but was b215df80
[ 2.969171] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.10.0-rc2-02114-ge5a305a #1
[ 2.970209] Workqueue: events_long serio_handle_event
[ 2.970893] Call Trace:
[ 2.971217] dump_stack+0x16/0x19
[ 2.971677] __warn+0xa5/0xc0
[ 2.972074] warn_slowpath_fmt+0x28/0x30
[ 2.972587] __list_del_entry_valid+0x43/0xb0
[ 2.973186] devices_kset_move_last+0x2d/0x80
[ 2.973815] ? driver_sysfs_add+0x5a/0x80
[ 2.974341] really_probe+0x127/0x230
[ 2.974849] __driver_attach+0x7f/0xa0
[ 2.975345] ? really_probe+0x230/0x230
[ 2.975873] bus_for_each_dev+0x4f/0x80
[ 2.976375] driver_attach+0x14/0x20
[ 2.976868] ? really_probe+0x230/0x230
[ 2.977370] serio_handle_event+0x1bb/0x230
[ 2.977953] ? process_one_work+0x105/0x3f0
[ 2.978504] process_one_work+0x153/0x3f0
[ 2.979054] ? process_one_work+0x105/0x3f0
[ 2.979596] worker_thread+0x39/0x460
[ 2.980104] ? _raw_spin_unlock_irqrestore+0x3d/0x50
[ 2.980803] kthread+0xd9/0x110
[ 2.981211] ? process_one_work+0x3f0/0x3f0
[ 2.981782] ? __kthread_create_on_node+0x190/0x190
[ 2.982426] ret_from_fork+0x19/0x30
[ 2.982919] ---[ end trace 842edab4ceba3acb ]---
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