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Commit 6b8d9117 authored by Sasha Levin's avatar Sasha Levin Committed by David S. Miller
Browse files

net: llc: use correct size for sysctl timeout entries 



The timeout entries are sizeof(int) rather than sizeof(long), which
means that when they were getting read we'd also leak kernel memory
to userspace along with the timeout values.

Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6088beef

net/llc/sysctl_net_llc.c

+4 −4
Original line number Diff line number Diff line
@@ -18,28 +18,28 @@ static struct ctl_table llc2_timeout_table[] = { 
	{

		.procname	= "ack",

		.data		= &sysctl_llc2_ack_timeout,

		.maxlen		= sizeof(long),

		.maxlen		= sizeof(sysctl_llc2_ack_timeout),

		.mode		= 0644,

		.proc_handler   = proc_dointvec_jiffies,

	},

	{

		.procname	= "busy",

		.data		= &sysctl_llc2_busy_timeout,

		.maxlen		= sizeof(long),

		.maxlen		= sizeof(sysctl_llc2_busy_timeout),

		.mode		= 0644,

		.proc_handler   = proc_dointvec_jiffies,

	},

	{

		.procname	= "p",

		.data		= &sysctl_llc2_p_timeout,

		.maxlen		= sizeof(long),

		.maxlen		= sizeof(sysctl_llc2_p_timeout),

		.mode		= 0644,

		.proc_handler   = proc_dointvec_jiffies,

	},

	{

		.procname	= "rej",

		.data		= &sysctl_llc2_rej_timeout,

		.maxlen		= sizeof(long),

		.maxlen		= sizeof(sysctl_llc2_rej_timeout),

		.mode		= 0644,

		.proc_handler   = proc_dointvec_jiffies,

	},