Commit 13ccdfc2 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller
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netfilter: nf_conntrack: restrict runtime expect hashsize modifications

Expectation hashtable size was simply glued to a variable with no code
to rehash expectations, so it was a bug to allow writing to it.
Make "expect_hashsize" readonly.
Signed-off-by: default avatarAlexey Dobriyan <>
Signed-off-by: default avatarPatrick McHardy <>
parent 5b3501fa
...@@ -569,7 +569,7 @@ static void exp_proc_remove(struct net *net) ...@@ -569,7 +569,7 @@ static void exp_proc_remove(struct net *net)
#endif /* CONFIG_PROC_FS */ #endif /* CONFIG_PROC_FS */
} }
module_param_named(expect_hashsize, nf_ct_expect_hsize, uint, 0600); module_param_named(expect_hashsize, nf_ct_expect_hsize, uint, 0400);
int nf_conntrack_expect_init(struct net *net) int nf_conntrack_expect_init(struct net *net)
{ {
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