Re: KASAN: slab-out-of-bounds Write in process_preds

[Steven Rostedt]

On Thu, 23 Aug 2018 07:13:13 -0700
Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:

> On Thu, May 10, 2018 at 7:23 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > On Thu, 10 May 2018 07:14:26 +0200
> > Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
> >  
> >> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> >> > Reported-by: syzbot+5702a7e6d4a13b3accd5@xxxxxxxxxxxxxxxxxxxxxxxxx
> >> > It will help syzbot understand when the bug is fixed. See footer for
> >> > details.
> >> > If you forward the report, please keep this part and the footer.  
> >>
> >>
> >> This was bisected to:
> >>
> >> commit 80765597bc587feae8dbc8ce97a0f32e12a6e625
> >> Author: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
> >> Date:   Fri Mar 9 13:19:28 2018 -0500
> >>
> >>     tracing: Rewrite filter logic to be simpler and faster  
> >
> > I could have told you that without the bisect ;-)
> >
> > I'll try to get some time to look into this.  
> 
> 
> It seems this was lost on kernel mailing lists, then re-reported after 2 months:
> https://bugzilla.kernel.org/show_bug.cgi?id=200019
> and then fixed.

Yeah, that time was quite busy for me. I guess I failed to get time to
look into it when it was first reported :-(

> 
> Since the fixing commit does not contain syzbot tag, need to tell it
> about the fix manually:
> 
> #syz fix: tracing: Check for no filter when processing event filters

Sorry about that. Thanks,

-- Steve