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linux/net/vmw_vsock
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Paolo Abeni 71c298c5d7 vsock: cope with memory allocation failure at socket creation time 
commit 225d946426 upstream.

In the unlikely event that the kmalloc call in vmci_transport_socket_init()
fails, we end-up calling vmci_transport_destruct() with a NULL vmci_trans()
and oopsing.

This change addresses the above explicitly checking for zero vmci_trans()
at destruction time.

Reported-by: Xiumei Mu <xmu@redhat.com>
Fixes: d021c34405 ("VSOCK: Introduce VM Sockets")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2019-05-02 21:41:50 +01:00
..
af_vsock.c vsock: split dwork to avoid reinitializations 2018-11-20 18:05:54 +00:00
Kconfig treewide: Fix typo in Kconfig 2013-10-14 15:23:02 +02:00
Makefile VSOCK: Introduce VM Sockets 2013-02-10 19:41:08 -05:00
vmci_transport.c vsock: cope with memory allocation failure at socket creation time 2019-05-02 21:41:50 +01:00
vmci_transport.h VSOCK: sock_put wasn't safe to call in interrupt context 2017-11-26 13:50:40 +00:00
vmci_transport_notify.c net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
vmci_transport_notify.h VSOCK: Introduce VM Sockets 2013-02-10 19:41:08 -05:00
vmci_transport_notify_qstate.c net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
vsock_addr.c VSOCK: Move af_vsock.h and vsock_addr.h to include/net 2013-07-27 22:14:06 -07:00