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net: rds: use correct size for max unacked packets and bytes 

commit db27ebb111e9f69efece08e4cb6a34ff980f8896 upstream.

Max unacked packets/bytes is an int while sizeof(long) was used in the
sysctl table.

This 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 2015-02-03 08:55:58 -05:00 committed by Greg Kroah-Hartman
parent 1f55176763
commit 8e519c3eb9
1 changed files with 2 additions and 2 deletions
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4
net/rds/sysctl.c
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@ -71,14 +71,14 @@ static ctl_table rds_sysctl_rds_table[] = {
{
.procname = "max_unacked_packets",
.data = &rds_sysctl_max_unacked_packets,
.maxlen = sizeof(unsigned long),
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "max_unacked_bytes",
.data = &rds_sysctl_max_unacked_bytes,
.maxlen = sizeof(unsigned long),
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},