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authorLinus Walleij <[email protected]>2021-11-27 00:54:16 +0100
committerLinus Walleij <[email protected]>2021-11-27 00:54:16 +0100
commit2448eab44034d9603c97ca17760a53d4d6e4b60c (patch)
tree7f323cea55258e94e0c7c70b63d02c9effb00c1f /net/ipv6/esp6.c
parentdeee705a1c9cce9c7eb699d529f1c0b3c80d339d (diff)
parent136057256686de39cc3a07c2e39ef6bc43003ff6 (diff)
Merge tag 'v5.16-rc2' into devel
Linux 5.16-rc2 is needed because nonurgent fixes headed for next are strongly textually dependent on a fix that was applied for rc2. Signed-off-by: Linus Walleij <[email protected]>
Diffstat (limited to 'net/ipv6/esp6.c')
-rw-r--r--net/ipv6/esp6.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index ed2f061b8768..f0bac6f7ab6b 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -808,6 +808,12 @@ int esp6_input_done2(struct sk_buff *skb, int err)
struct tcphdr *th;
offset = ipv6_skip_exthdr(skb, offset, &nexthdr, &frag_off);
+
+ if (offset < 0) {
+ err = -EINVAL;
+ goto out;
+ }
+
uh = (void *)(skb->data + offset);
th = (void *)(skb->data + offset);
hdr_len += offset;