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net: llc: use correct size for sysctl timeout entries 

commit 6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49 upstream.

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: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sasha Levin 2015-01-23 20:47:00 -05:00 committed by Greg Kroah-Hartman
parent 8e519c3eb9
commit 85ec36aada
1 changed files with 4 additions and 4 deletions
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8
net/llc/sysctl_net_llc.c
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@ -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,
},