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| author | Florian Westphal <fw@strlen.de> | 2026-07-08 16:21:30 +0200 |
|---|---|---|
| committer | Florian Westphal <fw@strlen.de> | 2026-07-10 16:28:47 +0200 |
| commit | a2f57827bf7c695b8c72dc4511cae8e86582369d (patch) | |
| tree | a9a938fdd130b2f91a559e1cab3714d12218cf7a /net/netfilter/ipvs | |
| parent | 90941d9c925d66a482c9121919ec3546a6988c16 (diff) | |
| download | linux-next-a2f57827bf7c695b8c72dc4511cae8e86582369d.tar.gz linux-next-a2f57827bf7c695b8c72dc4511cae8e86582369d.zip | |
ipvs: reload ip header after head reallocation
__ip_vs_get_out_rt() calls skb_ensure_writable() which may
reallocate skb->head.
Fixes: 8d8e20e2d7bb ("ipvs: Decrement ttl")
Cc: stable@vger.kernel.org
Assisted-by: Claude:claude-sonnet-4-6
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'net/netfilter/ipvs')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_xmit.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index ce542ed4b013..9fef4335da13 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -736,13 +736,11 @@ int ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, struct ip_vs_protocol *pp, struct ip_vs_iphdr *ipvsh) { - struct iphdr *iph = ip_hdr(skb); - - if (__ip_vs_get_out_rt(cp->ipvs, cp->af, skb, NULL, iph->daddr, + if (__ip_vs_get_out_rt(cp->ipvs, cp->af, skb, NULL, ip_hdr(skb)->daddr, IP_VS_RT_MODE_NON_LOCAL, NULL, ipvsh) < 0) goto tx_error; - ip_send_check(iph); + ip_send_check(ip_hdr(skb)); /* Another hack: avoid icmp_send in ip_fragment */ skb->ignore_df = 1; |