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(parent: 680d04e) | patch
VSOCK: Fix missing msg_namelen update in vsock_stream_recvmsg()
authorMathias Krause <minipli@googlemail.com>
Sun, 7 Apr 2013 01:52:02 +0000 (01:52 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sun, 7 Apr 2013 20:28:02 +0000 (16:28 -0400)
commitd5e0d0f607a7a029c6563a0470d88255c89a8d11
tree01aaa7cb29147cba0fcc1202a03bbf1af598be62tree | snapshot (tar.gz zip)
parent680d04e0ba7e926233e3b9cee59125ce181f66bacommit | diff
VSOCK: Fix missing msg_namelen update in vsock_stream_recvmsg()

The code misses to update 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.

Cc: Andy King <acking@vmware.com>
Cc: Dmitry Torokhov <dtor@vmware.com>
Cc: George Zhang <georgezhang@vmware.com>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/vmw_vsock/af_vsock.c diff | blob | blame | history
Motorola kernel-slsi