diff options
| author | Wang Hai <wanghai38@huawei.com> | 2020-11-16 11:20:18 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-18 03:08:36 +0300 |
| commit | e33de7c5317e2827b2ba6fd120a505e9eb727b05 (patch) | |
| tree | 007a281c9797d9377c3187441a777d079d11a70b /net | |
| parent | 138559b9f99d3b6b1d5e75c78facc067a23871c6 (diff) | |
| download | linux-e33de7c5317e2827b2ba6fd120a505e9eb727b05.tar.xz | |
inet_diag: Fix error path to cancel the meseage in inet_req_diag_fill()
nlmsg_cancel() needs to be called in the error path of
inet_req_diag_fill to cancel the message.
Fixes: d545caca827b ("net: inet: diag: expose the socket mark to privileged processes.")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20201116082018.16496-1-wanghai38@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/inet_diag.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 366a4507b5a3..93474b1bea4e 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -479,8 +479,10 @@ static int inet_req_diag_fill(struct sock *sk, struct sk_buff *skb, r->idiag_inode = 0; if (net_admin && nla_put_u32(skb, INET_DIAG_MARK, - inet_rsk(reqsk)->ir_mark)) + inet_rsk(reqsk)->ir_mark)) { + nlmsg_cancel(skb, nlh); return -EMSGSIZE; + } nlmsg_end(skb, nlh); return 0; |