From: David S. Miller <davem@davemloft.net>
Date: Sat, 29 Mar 2008 00:30:18 +0000 (-0700)
Subject: [INET]: inet_frag_evictor() must run with BH disabled
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e8e16b706e8406f1ab3bccab16932ebc513896d8;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

[INET]: inet_frag_evictor() must run with BH disabled

Based upon a lockdep trace from Dave Jones.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 724d69aed03..a0a3c78cb5e 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -86,7 +86,10 @@ EXPORT_SYMBOL(inet_frags_fini);
 void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f)
 {
 	nf->low_thresh = 0;
+
+	local_bh_disable();
 	inet_frag_evictor(nf, f);
+	local_bh_enable();
 }
 EXPORT_SYMBOL(inet_frags_exit_net);
 
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 2a0d698b24d..24c0d03095b 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -171,7 +171,9 @@ static __inline__ void fq_kill(struct nf_ct_frag6_queue *fq)
 
 static void nf_ct_frag6_evictor(void)
 {
+	local_bh_disable();
 	inet_frag_evictor(&nf_init_frags, &nf_frags);
+	local_bh_enable();
 }
 
 static void nf_ct_frag6_expire(unsigned long data)