diff options
| author | Pan Bian <bianpan2016@163.com> | 2017-04-24 18:29:16 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-11-06 15:34:31 +0100 |
| commit | 82df99d61ca9f99989a06c36d3593a0094a078f2 (patch) | |
| tree | 7977b10af2567b5b4e1e85565e0f3ae936ff6bfc | |
| parent | 6d0d894d2d1f6373d9d4adaf6f86bd677288c956 (diff) | |
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.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 5225d4321..0a3ad7ba2 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; |