net: rds: use correct size for max unacked packets and bytes 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.
diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c
index c3b0cd4..c173f69 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,
},
