Re: perf_event_open+clone = unkillable process

2019-02-04 Thread Eric W. Biederman
ebied...@xmission.com (Eric W. Biederman) writes: > ebied...@xmission.com (Eric W. Biederman) writes: > >> Thomas Gleixner writes: >> >>> On Mon, 4 Feb 2019, Dmitry Vyukov wrote: >>> On Mon, Feb 4, 2019 at 10:27 AM Thomas Gleixner wrote: > > On Fri, 1 Feb 2019, Dmitry Vyukov wrote

Re: perf_event_open+clone = unkillable process

2019-02-04 Thread Eric W. Biederman
ebied...@xmission.com (Eric W. Biederman) writes: > Thomas Gleixner writes: > >> On Mon, 4 Feb 2019, Dmitry Vyukov wrote: >> >>> On Mon, Feb 4, 2019 at 10:27 AM Thomas Gleixner wrote: >>> > >>> > On Fri, 1 Feb 2019, Dmitry Vyukov wrote: >>> > >>> > > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov

Re: perf_event_open+clone = unkillable process

2019-02-04 Thread Eric W. Biederman
Thomas Gleixner writes: > On Mon, 4 Feb 2019, Dmitry Vyukov wrote: > >> On Mon, Feb 4, 2019 at 10:27 AM Thomas Gleixner wrote: >> > >> > On Fri, 1 Feb 2019, Dmitry Vyukov wrote: >> > >> > > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: >> > > > >> > > > Hello, >> > > > >> > > > The follow

Re: perf_event_open+clone = unkillable process

2019-02-04 Thread Thomas Gleixner
On Mon, 4 Feb 2019, Dmitry Vyukov wrote: > On Mon, Feb 4, 2019 at 10:27 AM Thomas Gleixner wrote: > > > > On Fri, 1 Feb 2019, Dmitry Vyukov wrote: > > > > > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: > > > > > > > > Hello, > > > > > > > > The following program creates an unkillable pr

Re: perf_event_open+clone = unkillable process

2019-02-04 Thread Dmitry Vyukov
On Mon, Feb 4, 2019 at 10:27 AM Thomas Gleixner wrote: > > On Fri, 1 Feb 2019, Dmitry Vyukov wrote: > > > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: > > > > > > Hello, > > > > > > The following program creates an unkillable process that eats CPU. > > > /proc/pid/stack is empty, I am not

Re: perf_event_open+clone = unkillable process

2019-02-04 Thread Thomas Gleixner
On Fri, 1 Feb 2019, Dmitry Vyukov wrote: > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: > > > > Hello, > > > > The following program creates an unkillable process that eats CPU. > > /proc/pid/stack is empty, I am not sure what other info I can provide. > > > > Tested is on upstream commit

Re: perf_event_open+clone = unkillable process

2019-02-03 Thread Jiri Olsa
On Sat, Feb 02, 2019 at 07:30:45PM +0100, Jiri Olsa wrote: > On Fri, Feb 01, 2019 at 06:06:03PM +0100, Dmitry Vyukov wrote: > > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: > > > > > > Hello, > > > > > > The following program creates an unkillable process that eats CPU. > > > /proc/pid/stac

Re: perf_event_open+clone = unkillable process

2019-02-02 Thread Jiri Olsa
On Fri, Feb 01, 2019 at 06:06:03PM +0100, Dmitry Vyukov wrote: > On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: > > > > Hello, > > > > The following program creates an unkillable process that eats CPU. > > /proc/pid/stack is empty, I am not sure what other info I can provide. > > > > Tested i

Re: perf_event_open+clone = unkillable process

2019-02-01 Thread Dmitry Vyukov
On Fri, Feb 1, 2019 at 5:48 PM Dmitry Vyukov wrote: > > Hello, > > The following program creates an unkillable process that eats CPU. > /proc/pid/stack is empty, I am not sure what other info I can provide. > > Tested is on upstream commit 4aa9fc2a435abe95a1e8d7f8c7b3d6356514b37a. > Config is atta