diff options
| author | Antony Antony <[email protected]> | 2024-04-10 19:27:12 +0200 |
|---|---|---|
| committer | Steffen Klassert <[email protected]> | 2024-04-11 10:23:36 +0200 |
| commit | 8b06a24bb625728ac709f2c69405eb01025687e1 (patch) | |
| tree | 80fe3b654fda6a874bdb3e1a957c8556a4589976 | |
| parent | bccb798e07f8bb8b91212fe8ed1e421685449076 (diff) | |
xfrm: fix possible derferencing in error path
Fix derferencing pointer when xfrm_policy_lookup_bytype returns an
error.
Fixes: 63b21caba17e ("xfrm: introduce forwarding of ICMP Error messages")
Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/kernel-janitors/[email protected]/
Signed-off-by: Antony Antony <[email protected]>
Signed-off-by: Steffen Klassert <[email protected]>
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 6affe5cd85d8..53d8fabfa685 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -3593,6 +3593,8 @@ xfrm_policy *xfrm_in_fwd_icmp(struct sk_buff *skb, return pol; pol = xfrm_policy_lookup(net, &fl1, family, XFRM_POLICY_FWD, if_id); + if (IS_ERR(pol)) + pol = NULL; } return pol; |