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SubjectRe: [lkp-robot] e5a305ac4a: WARNING:at_lib/list_debug.c:#__list_del_entry_valid
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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