Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP | stable | Ratatoskr

[PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Paul Gortmaker <hidden> · 2021-06-16
Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Tejun Heo <tj@kernel.org> · 2021-06-16
Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Mark Brown <broonie@kernel.org> · 2021-06-30
Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Richard Purdie <hidden> · 2021-06-30
Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Mark Brown <broonie@kernel.org> · 2021-07-01
Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Richard Purdie <hidden> · 2021-07-01
Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP · Tejun Heo <tj@kernel.org> · 2021-07-12

Re: [PATCH] cgroup1: fix leaked context root causing sporadic NULL deref in LTP

From: Richard Purdie <hidden>
Date: 2021-07-01 12:43:27
Also in: cgroups, lkml

On Thu, 2021-07-01 at 13:11 +0100, Mark Brown wrote:

On Wed, Jun 30, 2021 at 11:31:06PM +0100, Richard Purdie wrote:

quoted

Out of interest are you also seeing the proc01 test hang on a non-blocking
read of /proc/kmsg periodically?

quoted

https://bugzilla.yoctoproject.org/show_bug.cgi?id=14460

quoted

I've not figured out a way to reproduce it at will yet and it seems strace

I've been talking to Ross, he mentioned it but no, rings no bells.

quoted

was enough to unblock it. It seems arm specific.

If it's 32 bit I'm not really doing anything that looks at it.

Its aarch64 in qemu running on aarch64 hardware with KVM.

If you do happen to see anything let us know!

Cheers,

Richard