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authorPan Bian <bianpan2016@163.com>2017-04-24 18:29:16 +0800
committerWilly Tarreau <w@1wt.eu>2017-11-02 10:46:02 +0100
commitf63d10b98de38d8264ed248221fb371e38b3b0b9 (patch)
treefd06847a179dfac6b3ccb6dbcd3c25531240eef5
parent90326945a4f4939725d32e62b8b31d0375950958 (diff)
downloadlinux-f63d10b98de38d8264ed248221fb371e38b3b0b9.tar.gz
linux-f63d10b98de38d8264ed248221fb371e38b3b0b9.zip
team: fix memory leaks
commit 72ec0bc64b9a5d8e0efcb717abfc757746b101b7 upstream. In functions team_nl_send_port_list_get() and team_nl_send_options_get(), pointer skb keeps the return value of nlmsg_new(). When the call to genlmsg_put() fails, the memory is not freed(). This will result in memory leak bugs. Fixes: 9b00cf2d1024 ("team: implement multipart netlink messages for options transfers") Signed-off-by: Pan Bian <bianpan2016@163.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Willy Tarreau <w@1wt.eu>
-rw-r--r--drivers/net/team/team.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 5225d4321e7c..0a3ad7ba2bea 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2121,8 +2121,10 @@ start_again:
hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI,
TEAM_CMD_OPTIONS_GET);
- if (!hdr)
+ if (!hdr) {
+ nlmsg_free(skb);
return -EMSGSIZE;
+ }
if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex))
goto nla_put_failure;
@@ -2389,8 +2391,10 @@ start_again:
hdr = genlmsg_put(skb, portid, seq, &team_nl_family, flags | NLM_F_MULTI,
TEAM_CMD_PORT_LIST_GET);
- if (!hdr)
+ if (!hdr) {
+ nlmsg_free(skb);
return -EMSGSIZE;
+ }
if (nla_put_u32(skb, TEAM_ATTR_TEAM_IFINDEX, team->dev->ifindex))
goto nla_put_failure;