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| author | Sasha Levin <sasha.levin@oracle.com> | 2015-02-03 08:55:58 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-04-19 10:10:50 +0200 |
| commit | 8e519c3eb9823f0f6cbffb1dfaede0252df3c350 (patch) | |
| tree | 8e5fc5696b497621565ec20ed51723db599caac4 | |
| parent | 1f55176763a6556916d4c41c80eba7c69d5d3e5a (diff) | |
| download | lwn-8e519c3eb9823f0f6cbffb1dfaede0252df3c350.tar.gz lwn-8e519c3eb9823f0f6cbffb1dfaede0252df3c350.zip | |
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.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c index 907214b4c4d0..fc6cbe827856 100644 --- a/net/rds/sysctl.c +++ b/net/rds/sysctl.c @@ -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, }, |