patches for DPDK stable branches
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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, xuan.ding@intel.com, stephen@networkplumber.org,
	thomas@monjalon.net, stable@dpdk.org, chenbo.xia@intel.com,
	xuemingl@nvidia.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-stable] [PATCH v4 2/3] vhost: fix fd leak in dirty logging setup
Date: Thu, 12 Nov 2020 18:10:28 +0100
Message-ID: <20201112171029.354593-3-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20201112171029.354593-1-maxime.coquelin@redhat.com>

This patch fixes a file descriptor leak which happens
in the error path of vhost_user_set_log_base().

Fixes: 4796ad63ba1f ("examples/vhost: import userspace vhost application")
Cc: stable@dpdk.org

Reported-by: Xuan Ding <xuan.ding@intel.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
Reviewed-by: Xueming(Steven) Li <xuemingl@nvidia.com>
---
 lib/librte_vhost/vhost_user.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 3898c93d1f..23c115f994 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -2086,7 +2086,7 @@ vhost_user_set_log_base(struct virtio_net **pdev, struct VhostUserMsg *msg,
 		VHOST_LOG_CONFIG(ERR,
 			"invalid log base msg size: %"PRId32" != %d\n",
 			msg->size, (int)sizeof(VhostUserLog));
-		return RTE_VHOST_MSG_RESULT_ERR;
+		goto close_msg_fds;
 	}
 
 	size = msg->payload.log.mmap_size;
@@ -2097,7 +2097,7 @@ vhost_user_set_log_base(struct virtio_net **pdev, struct VhostUserMsg *msg,
 		VHOST_LOG_CONFIG(ERR,
 			"log offset %#"PRIx64" and log size %#"PRIx64" overflow\n",
 			off, size);
-		return RTE_VHOST_MSG_RESULT_ERR;
+		goto close_msg_fds;
 	}
 
 	VHOST_LOG_CONFIG(INFO,
@@ -2134,6 +2134,10 @@ vhost_user_set_log_base(struct virtio_net **pdev, struct VhostUserMsg *msg,
 	msg->fd_num = 0;
 
 	return RTE_VHOST_MSG_RESULT_REPLY;
+
+close_msg_fds:
+	close_msg_fds(msg);
+	return RTE_VHOST_MSG_RESULT_ERR;
 }
 
 static int vhost_user_set_log_fd(struct virtio_net **pdev __rte_unused,
-- 
2.26.2


  parent reply	other threads:[~2020-11-12 17:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 17:10 [dpdk-stable] [PATCH v4 0/3] vhost: fix fd an memory leaks Maxime Coquelin
2020-11-12 17:10 ` [dpdk-stable] [PATCH v4 1/3] vhost: fix error path when setting memory tables Maxime Coquelin
2020-11-13  7:39   ` Xueming(Steven) Li
2020-11-12 17:10 ` Maxime Coquelin [this message]
2020-11-12 17:10 ` [dpdk-stable] [PATCH v4 3/3] vhost: fix fd leak in kick setup Maxime Coquelin
2020-11-13  7:41   ` Xueming(Steven) Li
2020-11-13  8:39 ` [dpdk-stable] [PATCH v4 0/3] vhost: fix fd an memory leaks Maxime Coquelin

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