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From: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
To: Luc Pelletier <lucp.at.work@gmail.com>, "olivier.matz@6wind.com"
<olivier.matz@6wind.com>, "jianfeng.tan@intel.com" <jianfeng.tan@intel.com>
CC: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>, nd
<nd@arm.com>, Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>, nd
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Thread-Topic: [PATCH 1/2] eal: fix race in ctrl thread creation
Thread-Index: AQHXK+xS1OzYmUW/x0WQRpc2DgB0/6qq2nDw
Date: Thu, 8 Apr 2021 17:06:11 +0000
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Subject: Re: [dpdk-stable] [PATCH 1/2] eal: fix race in ctrl thread creation
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<snip>
>=20
> The creation of control threads uses a pthread barrier for synchronizatio=
n.
> This patch fixes a race condition where the pthread barrier could get
> destroyed while one of the threads has not yet returned from the
> pthread_barrier_wait function, which could result in undefined behaviour.
>=20
> Fixes: 3a0d465 ("eal: fix use-after-free on control thread creation")
> Cc: jianfeng.tan@intel.com
> Cc: stable@dpdk.org
>=20
> Signed-off-by: Luc Pelletier <lucp.at.work@gmail.com>
Looks good.
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
<snip>