diff options
| author | Salva Peiró <speiro@ai2.upv.es> | 2013-10-11 12:50:03 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-04 04:31:02 -0800 |
| commit | 3a26736015acfc8745db623efa7f57bc982ed516 (patch) | |
| tree | 26f355648aefd0b238137d2588a20ca781d18251 | |
| parent | a41536775e712e7b438400f73e927ffe4b21149c (diff) | |
farsync: fix info leak in ioctl
[ Upstream commit 96b340406724d87e4621284ebac5e059d67b2194 ]
The fst_get_iface() code fails to initialize the two padding bytes of
struct sync_serial_settings after the ->loopback member. Add an explicit
memset(0) before filling the structure to avoid the info leak.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/wan/farsync.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 3f0c4f268751..bcfff0d62de4 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -1972,6 +1972,7 @@ fst_get_iface(struct fst_card_info *card, struct fst_port_info *port, } i = port->index; + memset(&sync, 0, sizeof(sync)); sync.clock_rate = FST_RDL(card, portConfig[i].lineSpeed); /* Lucky card and linux use same encoding here */ sync.clock_type = FST_RDB(card, portConfig[i].internalClock) == |