diff options
| author |   Alexander Aring <aring@mojatatu.com> | 2018-04-20 15:15:04 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-04-22 21:12:00 -0400 |
| commit | cc74eddd0ff325d57373cea99f642b787d7f76f5 (patch) | |
| tree | fc8048a8254e5d249763543e20355a0bba0324f1 /include/net/ife.h | |
| parent | net: sched: ife: signal not finding metaid (diff) | |
| download | linux-dev-cc74eddd0ff325d57373cea99f642b787d7f76f5.tar.xz linux-dev-cc74eddd0ff325d57373cea99f642b787d7f76f5.zip | |
net: sched: ife: handle malformed tlv length
There is currently no handling to check on a invalid tlv length. This
patch adds such handling to avoid killing the kernel with a malformed
ife packet.
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Reviewed-by: Yotam Gigi <yotam.gi@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ife.h')
| -rw-r--r-- | include/net/ife.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/ife.h b/include/net/ife.h index 44b9c00f7223..e117617e3c34 100644 --- a/include/net/ife.h +++ b/include/net/ife.h @@ -12,7 +12,8 @@ void *ife_encode(struct sk_buff *skb, u16 metalen); void *ife_decode(struct sk_buff *skb, u16 *metalen); -void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, u16 *totlen); +void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype, + u16 *dlen, u16 *totlen); int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, const void *dval); |