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| author | Mathias Krause <minipli@googlemail.com> | 2013-04-07 03:51:54 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-07 22:28:01 +0200 |
| commit | a5598bd9c087dc0efc250a5221e5d0e6f584ee88 (patch) | |
| tree | ac7da3efc4748e0a2efb8e27aad0b4aae58e2c2e /net/l2tp/l2tp_ip6.c | |
| parent | irda: Fix missing msg_namelen update in irda_recvmsg_dgram() (diff) | |
| download | linux-a5598bd9c087dc0efc250a5221e5d0e6f584ee88.tar.xz linux-a5598bd9c087dc0efc250a5221e5d0e6f584ee88.zip | |
iucv: Fix missing msg_namelen update in iucv_sock_recvmsg()
The current code does not fill the msg_name member in case it is set.
It also does not set the msg_namelen member to 0 and therefore makes
net/socket.c leak the local, uninitialized sockaddr_storage variable
to userland -- 128 bytes of kernel stack memory.
Fix that by simply setting msg_namelen to 0 as obviously nobody cared
about iucv_sock_recvmsg() not filling the msg_name in case it was set.
Cc: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp/l2tp_ip6.c')
0 files changed, 0 insertions, 0 deletions