Re: [PATCH] perf callchain: Fix suspicious RCU usage in get_callchain_entry()
From: Qing Wang
Date: Wed Jan 28 2026 - 01:28:06 EST
On Fri, 19 Jul 2024 at 01:41, Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote:
> Which is what I'm doing in [0]. Radoslaw, can you please help
> validating if those changes are enough to fix this issue or we need to
> do some more?
>
> [0] https://patchwork.kernel.org/project/netdevbpf/patch/20240709204245.3=
> 847811-10-andrii@xxxxxxxxxx/
>
> >
> > > ---
> > > kernel/events/callchain.c | 11 +++++++++--
> > > 1 file changed, 9 insertions(+), 2 deletions(-)
> > >
Hi,
I found this issue still exists after your patch in upstream and I have a
patch to fix it.
Patch here: https://lore.kernel.org/all/20260128061753.1857803-1-wangqing7171@xxxxxxxxx/T/
Looking forward to your review.
--
Best regards,
Qing