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| author | Antony Antony <antony.antony@secunet.com> | 2024-04-10 19:27:12 +0200 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2024-04-11 10:23:36 +0200 |
| commit | 8b06a24bb625728ac709f2c69405eb01025687e1 (patch) | |
| tree | 80fe3b654fda6a874bdb3e1a957c8556a4589976 /net | |
| parent | bccb798e07f8bb8b91212fe8ed1e421685449076 (diff) | |
| download | linux-8b06a24bb625728ac709f2c69405eb01025687e1.tar.gz | |
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 <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/kernel-janitors/f6ef0d0d-96de-4e01-9dc3-c1b3a6338653@moroto.mountain/
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net')
| -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 6affe5cd85d8f1..53d8fabfa68580 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; |