[PATCH v4 0/3] sched: Always check the integrity of the canary · Aaron Tomlin <hidden> · 2014-09-12
[PATCH v4 3/3] sched: BUG when stack end location is over written · Aaron Tomlin <hidden> · 2014-09-12
[PATCH v4 2/3] sched: Add helper for task stack page overrun checking · Aaron Tomlin <hidden> · 2014-09-12
[PATCH v4 1/3] init/main.c: Give init_task a canary · Aaron Tomlin <hidden> · 2014-09-12
Re: [PATCH v4 1/3] init/main.c: Give init_task a canary · Oleg Nesterov <oleg@redhat.com> · 2014-09-18

Re: [PATCH v4 1/3] init/main.c: Give init_task a canary

From: Oleg Nesterov <oleg@redhat.com>
Date: 2014-09-18 20:30:35
Also in: lkml

On 09/12, Aaron Tomlin wrote:

Tasks get their end of stack set to STACK_END_MAGIC with the
aim to catch stack overruns. Currently this feature does not
apply to init_task. This patch removes this restriction.

Note that a similar patch was posted by Prarit Bhargava [1]
some time ago but was never merged.

[1]: http://marc.info/?l=linux-kernel&m=127144305403241&w=2

Signed-off-by: Aaron Tomlin <redacted>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>

Acked-by: Oleg Nesterov <oleg@redhat.com>

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