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authorSiluxsept <ronny.horn.rh@gmail.com>2024-02-06 04:37:40 +0100
committerSiluxsept <ronny.horn.rh@gmail.com>2024-02-06 04:38:56 +0100
commit8e8137ac800bdc27181743ec73d0e90e28b4e8af (patch)
tree7e2fbc9d9e305e46414c21d08eeaeb1d56ccb0f0 /net/ipv6/ip6_output.c
parent9c2f9bfc860f0cd6f2d3320b5f72a0f4adf24b25 (diff)
merge branch lineage-20 into t13.0t13.0
https: //github.com/LineageOS/android_kernel_google_redbull Change-Id: I4a450eb794cc99abf711ad3b5b82946092be84ba
Diffstat (limited to 'net/ipv6/ip6_output.c')
-rw-r--r--net/ipv6/ip6_output.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 59d3944a6c9b..fa5454023265 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -734,6 +734,9 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
ipv6_hdr(skb)->payload_len = htons(first_len -
sizeof(struct ipv6hdr));
+ /* We prevent @rt from being freed. */
+ rcu_read_lock();
+
for (;;) {
/* Prepare header of the next frame,
* before previous one went down. */
@@ -776,6 +779,7 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
if (err == 0) {
IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
IPSTATS_MIB_FRAGOKS);
+ rcu_read_unlock();
return 0;
}
@@ -783,6 +787,7 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
IPSTATS_MIB_FRAGFAILS);
+ rcu_read_unlock();
return err;
slow_path_clean: