Commit 13ccdfc2 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller
Browse files

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 <adobriyan@gmail.com>
Cc: stable@kernel.org
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
parent 5b3501fa
......@@ -569,7 +569,7 @@ static void exp_proc_remove(struct net *net)
#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)
{
......
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