diff options
author | Pablo Neira Ayuso <pablo@gnumonks.org> | 2014-02-20 12:18:13 +0100 |
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committer | Pablo Neira Ayuso <pablo@gnumonks.org> | 2014-02-20 12:49:35 +0100 |
commit | 20d702b90e6088fd707978dd27274ebe004a01a8 (patch) | |
tree | fad43e10929e7ea922d67dd96d79342cefe2166c | |
parent | d123a0c0f57348422832c915b82a15d79b2a0c5b (diff) |
gtp: ensure sufficient room for the header in gtp0_udp_encap_recv
-rw-r--r-- | gtp.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -227,6 +227,10 @@ static int gtp0_udp_encap_recv(struct gtp_instance *gti, struct sk_buff *skb) pr_info("gtp0 udp received\n"); + /* check for sufficient header size */ + if (!pskb_may_pull(skb, sizeof(*gtp0))) + return -1; + gtp0 = (struct gtp0_header *)skb->data; /* check for GTP Version 0 */ |