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authorSasha Levin <sasha.levin@oracle.com>2015-02-03 08:55:58 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-19 10:11:09 +0200
commit2a9eb844a4c126b7e975a086f99f35699e88c011 (patch)
tree1079ce8e69a1515afe4b008b693dc382f998ea97
parent3f9fe6e3fbdf1d3c6ffc874ec93f1eb59eaaee77 (diff)
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>
-rw-r--r--net/rds/sysctl.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c
index b5cb2aa08f33..35773ad6d23d 100644
--- a/net/rds/sysctl.c
+++ b/net/rds/sysctl.c
@@ -71,14 +71,14 @@ static struct 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,
},