Re: [PATCH 04/19] perf: Simplify perf_event_alloc() error path

From: Ingo Molnar
Date: Fri Mar 07 2025 - 06:33:25 EST



* Lai, Yi <yi1.lai@xxxxxxxxxxxxxxx> wrote:

> On Thu, Mar 06, 2025 at 10:24:35AM +0100, Ingo Molnar wrote:
> >
> > * Lai, Yi <yi1.lai@xxxxxxxxxxxxxxx> wrote:
> >
> > > Hi Peter Zijlstra ,
> > >
> > > Greetings!
> > >
> > > I used Syzkaller and found that in linux-next (tag: next-20250303), there are two issues and the first bad commit for both issues is
> > >
> > > "
> > > 02be310c2d24 perf/core: Simplify the perf_event_alloc() error path
> > > "
> >
> > We've had a number of fixes in this area, could you please check
> > whether you can reproduce this crash with the latest perf tree:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
> >
> Tested the tip tree perf/core branch - HEAD 7a310c644cf571fbdb1d447a1dc39cf048634589:
>
> Above two issues cannot be reproduced.

Thank you!

Ingo