于 2014/9/2 23:33, Tejun Heo 写道:
> Hello, Li.
>
> On Tue, Sep 02, 2014 at 06:56:58PM +0800, Li Zefan wrote:
>> for ((; ;))
>> {
>> echo $$ > /cgroup/sub/cgroup.procs
>> ech $$ > /cgce 6f2e0c38c2108a74 ]---
>
> copy & p
Hello, Li.
On Tue, Sep 02, 2014 at 06:56:58PM +0800, Li Zefan wrote:
> for ((; ;))
> {
> echo $$ > /cgroup/sub/cgroup.procs
> ech $$ > /cgce 6f2e0c38c2108a74 ]---
copy & paste error?
...
> Reported-by: Toralf Förster
Run these two scripts concurrently:
for ((; ;))
{
mkdir /cgroup/sub
rmdir /cgroup/sub
}
for ((; ;))
{
echo $$ > /cgroup/sub/cgroup.procs
ech $$ > /cgce 6f2e0c38c2108a74 ]---
}
A kernel bug will be triggered:
BUG: unable to handle kernel NU
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