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Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start

From "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Newsgroups linux.kernel
Subject Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start
Date 2016-11-29 21:10 +0100
Message-ID <sIWT0-4En-33@gated-at.bofh.it> (permalink)
References (5 earlier) <sISmm-1He-21@gated-at.bofh.it> <sITs6-2o0-25@gated-at.bofh.it> <sIUeu-2Xs-39@gated-at.bofh.it> <sIWzD-4hH-11@gated-at.bofh.it> <sIWJj-4l9-25@gated-at.bofh.it>
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On Tue, Nov 29, 2016 at 08:52:04PM +0100, Peter Zijlstra wrote:
> On Tue, Nov 29, 2016 at 11:39:35AM -0800, Paul E. McKenney wrote:
> > On Tue, Nov 29, 2016 at 06:10:38PM +0100, Peter Zijlstra wrote:
> 
> > > It mostly works, most of the time, and that seems to be what Linus
> > > wants, since its really the best we can have given the constraints. But
> > > for debugging, when you have a UART, it totally blows.
> > 
> > UART???  They still make those things???  ;-)
> 
> Yes, most computer like devices actually have them, trouble is, most
> consumer devices don't have the pins exposed. Luckily most server class
> hardware still does.
> 
> And they're absolutely _awesome_ for debugging; getting data out is a
> matter of trivial MMIO poll loops. Rock solid stuff.

They very clearly need to bring the baud rate into the current millenium,
many tens of Mbaud at the -very- least.

							Thanx, Paul

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Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Josh Poimboeuf <jpoimboe@redhat.com> - 2016-11-28 23:00 +0100
  Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 01:50 +0100
    Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Josh Poimboeuf <jpoimboe@redhat.com> - 2016-11-29 07:00 +0100
      Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-11-29 10:20 +0100
        Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 15:10 +0100
          Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Josh Poimboeuf <jpoimboe@redhat.com> - 2016-11-29 16:10 +0100
            Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Petr Mladek <pmladek@suse.com> - 2016-11-29 17:20 +0100
              Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 19:10 +0100
            Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 18:00 +0100
              Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Josh Poimboeuf <jpoimboe@redhat.com> - 2016-11-29 18:20 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 18:40 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Petr Mladek <pmladek@suse.com> - 2016-11-30 11:00 +0100
      Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 11:30 +0100
      Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-11-29 13:50 +0100
        Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 16:20 +0100
          Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Petr Mladek <pmladek@suse.com> - 2016-11-29 17:30 +0100
            Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-11-29 18:20 +0100
              Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 20:50 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-11-29 21:00 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 21:10 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-29 21:40 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Josh Poimboeuf <jpoimboe@redhat.com> - 2016-11-30 20:20 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-11-30 21:00 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-12-01 07:00 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-12-01 13:40 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-12-01 17:50 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2016-12-01 18:10 +0100
              Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Petr Mladek <pmladek@suse.com> - 2016-11-30 11:10 +0100
                Re: perf: fuzzer BUG: KASAN: stack-out-of-bounds in __unwind_start Peter Zijlstra <peterz@infradead.org> - 2016-11-30 12:10 +0100

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