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* Re: KASAN: stack-out-of-bounds Read in update_stack_state
       [not found] <001a1143e62e6f71d20565bf329f@google.com>
@ 2019-12-20  8:14 ` syzbot
  2019-12-21  1:38   ` Steven Rostedt
  0 siblings, 1 reply; 3+ messages in thread
From: syzbot @ 2019-12-20  8:14 UTC (permalink / raw)
  To: akpm, glider, hpa, jpoimboe, keescook, linux-kernel, mbenes,
	mhiramat, mingo, netdev, rostedt, rppt, syzkaller-bugs, tglx,
	x86

syzbot suspects this bug was fixed by commit:

commit 4ee7c60de83ac01fa4c33c55937357601631e8ad
Author: Steven Rostedt (VMware) <rostedt@goodmis.org>
Date:   Fri Mar 23 14:18:03 2018 +0000

     init, tracing: Add initcall trace events

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11ebd0aee00000
start commit:   0b6b8a3d Merge branch 'bpf-misc-selftest-improvements'
git tree:       bpf-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=82a189bf69e089b5
dashboard link: https://syzkaller.appspot.com/bug?extid=2990ca6e76c080858a9c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11dde5b3800000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1347b65d800000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: init, tracing: Add initcall trace events

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: KASAN: stack-out-of-bounds Read in update_stack_state
  2019-12-20  8:14 ` KASAN: stack-out-of-bounds Read in update_stack_state syzbot
@ 2019-12-21  1:38   ` Steven Rostedt
  2019-12-21  7:41     ` Dmitry Vyukov
  0 siblings, 1 reply; 3+ messages in thread
From: Steven Rostedt @ 2019-12-21  1:38 UTC (permalink / raw)
  To: syzbot
  Cc: akpm, glider, hpa, jpoimboe, keescook, linux-kernel, mbenes,
	mhiramat, mingo, netdev, rppt, syzkaller-bugs, tglx, x86


What's the actual bug? "stack-out-of-bounds" is rather useless without
any actual output dump. But that's besides the point, this commit is
*extremely* unlikely to be the culprit.

-- Steve


On Fri, 20 Dec 2019 00:14:01 -0800
syzbot <syzbot+2990ca6e76c080858a9c@syzkaller.appspotmail.com> wrote:

> syzbot suspects this bug was fixed by commit:
> 
> commit 4ee7c60de83ac01fa4c33c55937357601631e8ad
> Author: Steven Rostedt (VMware) <rostedt@goodmis.org>
> Date:   Fri Mar 23 14:18:03 2018 +0000
> 
>      init, tracing: Add initcall trace events
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11ebd0aee00000
> start commit:   0b6b8a3d Merge branch 'bpf-misc-selftest-improvements'
> git tree:       bpf-next
> kernel config:  https://syzkaller.appspot.com/x/.config?x=82a189bf69e089b5
> dashboard link: https://syzkaller.appspot.com/bug?extid=2990ca6e76c080858a9c
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11dde5b3800000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1347b65d800000
> 
> If the result looks correct, please mark the bug fixed by replying with:
> 
> #syz fix: init, tracing: Add initcall trace events
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: KASAN: stack-out-of-bounds Read in update_stack_state
  2019-12-21  1:38   ` Steven Rostedt
@ 2019-12-21  7:41     ` Dmitry Vyukov
  0 siblings, 0 replies; 3+ messages in thread
From: Dmitry Vyukov @ 2019-12-21  7:41 UTC (permalink / raw)
  To: Steven Rostedt
  Cc: syzbot, Andrew Morton, Alexander Potapenko, H. Peter Anvin,
	Josh Poimboeuf, Kees Cook, LKML, mbenes, Masami Hiramatsu,
	Ingo Molnar, netdev, rppt, syzkaller-bugs, Thomas Gleixner,
	the arch/x86 maintainers

On Sat, Dec 21, 2019 at 2:38 AM Steven Rostedt <rostedt@goodmis.org> wrote:
>
>
> What's the actual bug? "stack-out-of-bounds" is rather useless without
> any actual output dump. But that's besides the point, this commit is
> *extremely* unlikely to be the culprit.

There is a hundred of reports accumulated on dashboard for this bug
report for past 2 years ;)

> On Fri, 20 Dec 2019 00:14:01 -0800
> syzbot <syzbot+2990ca6e76c080858a9c@syzkaller.appspotmail.com> wrote:
>
> > syzbot suspects this bug was fixed by commit:
> >
> > commit 4ee7c60de83ac01fa4c33c55937357601631e8ad
> > Author: Steven Rostedt (VMware) <rostedt@goodmis.org>
> > Date:   Fri Mar 23 14:18:03 2018 +0000
> >
> >      init, tracing: Add initcall trace events
> >
> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11ebd0aee00000
> > start commit:   0b6b8a3d Merge branch 'bpf-misc-selftest-improvements'
> > git tree:       bpf-next
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=82a189bf69e089b5
> > dashboard link: https://syzkaller.appspot.com/bug?extid=2990ca6e76c080858a9c
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11dde5b3800000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1347b65d800000
> >
> > If the result looks correct, please mark the bug fixed by replying with:
> >
> > #syz fix: init, tracing: Add initcall trace events
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> --
> You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/20191220203847.08267447%40rorschach.local.home.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-12-21  7:45 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-12-20  8:14 ` KASAN: stack-out-of-bounds Read in update_stack_state syzbot
2019-12-21  1:38   ` Steven Rostedt
2019-12-21  7:41     ` Dmitry Vyukov

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