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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 10:15:43 +0000 |
| commit | 4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9 (patch) | |
| tree | 7ee50e6ccf13f75f02fd343cf90750cbd9950194 /net/ipv4/ip_gre.c | |
| parent | Releasing progress-linux version 6.1.82-1~progress6.99u1. (diff) | |
| download | linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.tar.xz linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.zip | |
Merging upstream version 6.1.85.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index d67d026d7..0267fa053 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -280,8 +280,13 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi, tpi->flags | TUNNEL_NO_KEY, iph->saddr, iph->daddr, 0); } else { + if (unlikely(!pskb_may_pull(skb, + gre_hdr_len + sizeof(*ershdr)))) + return PACKET_REJECT; + ershdr = (struct erspan_base_hdr *)(skb->data + gre_hdr_len); ver = ershdr->ver; + iph = ip_hdr(skb); tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, tpi->flags | TUNNEL_KEY, iph->saddr, iph->daddr, tpi->key); |