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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48e71baf55bsi28685051f8f.185.2026.11.02.15.43.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 15:43:09 -0800 (PST) Received-SPF: pass (google.com: domain of andrey.zhadchenko@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b="o4/JT0d6"; spf=pass (google.com: domain of andrey.zhadchenko@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=andrey.zhadchenko@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=MIME-Version:Message-ID:Date:Subject:From: Content-Type; bh=V/1Ktxq1wvX4hunHRisFudwboHpBmx78wD0401NMzgk=; b=o4/JT0d6amCA dUlGDUlL5muQKemaMTXvWL/Gu/chYdkW86zyDWPZ3UGj9+rgUge5WiqrAD9Yy/U6JvLE/kAdwoVgv rZoehpVZVqJ3WyTrl4Pa4WZe/LMDCS7OIN2Zgh6l9gKr3CkTeFLBsbSrQGQFgFIK/0RpJWe0qNeKJ u4HSfgXFG2K6MpfV4phnsUxbhtNmNsSGvnO9nv5rJFCIC9CcZaRXJsKAYAUEonMdsYqgIYncqqZcg Tn7itlpyGfJcEFudOYt+gfSrYYSmCj0sTiMa4MNozCWxfRPzMurfb5VfQepyseyhMaFIPZkod3E+1 B3GBlR8bZ3gr1oI19NKd0A==; Received: from [130.117.225.5] (helo=vz9-demens-1.aci.vzint.dev) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xO1cI-00BVZo-1k; Tue, 03 Nov 2026 00:43:00 +0100 From: Andrey Zhadchenko To: alexander.ivanov@virtuozzo.com Date: Tue, 3 Nov 2026 02:38:46 +0300 Message-ID: <20261102233849.613155-3-andrey.zhadchenko@virtuozzo.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20261102233849.613155-1-andrey.zhadchenko@virtuozzo.com> References: <20261102233849.613155-1-andrey.zhadchenko@virtuozzo.com> MIME-Version: 1.0 X-OZ-Fwd: true Cc: devel@openvz.org Subject: [Devel] [PATCH hci-8.1 2/5] drivers/md/push_backup: clear pb->alive under pb->lock X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org Although it is harmless in practice, it may potentially trigger KCSAN. Besides, most other users handle this only under the pb->lock. https://virtuozzo.atlassian.net/browse/VSTOR-152912 Signed-off-by: Andrey Zhadchenko --- drivers/md/dm-push-backup.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/dm-push-backup.c b/drivers/md/dm-push-backup.c index 9a6252f2b21e2..1ae4ccc208ffa 100644 --- a/drivers/md/dm-push-backup.c +++ b/drivers/md/dm-push-backup.c @@ -581,7 +581,9 @@ static int pb_message(struct dm_target *ti, unsigned int argc, char **argv, if (!pb->map) return -EBADF; + spin_lock_irq(&pb->lock); pb->alive = false; + spin_unlock_irq(&pb->lock); wake_up_interruptible(&pb->waitq); /* pb->alive = false */ } -- 2.43.5 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel