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| author | Mark Brown <broonie@kernel.org> | 2020-03-11 21:45:26 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-03-11 21:45:26 +0300 |
| commit | 4d90a4e677c5c45c787a774c84442e75c7ddd5be (patch) | |
| tree | 50312d13362dd49615148661ae7e6d91ac349719 /net/ipv4/cipso_ipv4.c | |
| parent | 9032cdd96a2d4b0ef2f43499328f8a68050be2ec (diff) | |
| parent | 2c523b344dfa65a3738e7039832044aa133c75fb (diff) | |
| download | linux-4d90a4e677c5c45c787a774c84442e75c7ddd5be.tar.xz | |
Merge tag 'v5.6-rc5' into asoc-5.7
Linux 5.6-rc5
Diffstat (limited to 'net/ipv4/cipso_ipv4.c')
| -rw-r--r-- | net/ipv4/cipso_ipv4.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index 376882215919..0bd10a1f477f 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -1724,6 +1724,7 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway) { unsigned char optbuf[sizeof(struct ip_options) + 40]; struct ip_options *opt = (struct ip_options *)optbuf; + int res; if (ip_hdr(skb)->protocol == IPPROTO_ICMP || error != -EACCES) return; @@ -1735,7 +1736,11 @@ void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway) memset(opt, 0, sizeof(struct ip_options)); opt->optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr); - if (__ip_options_compile(dev_net(skb->dev), opt, skb, NULL)) + rcu_read_lock(); + res = __ip_options_compile(dev_net(skb->dev), opt, skb, NULL); + rcu_read_unlock(); + + if (res) return; if (gateway) |