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VMCI: Check userland-provided datagram size

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Ensure that the size filled in by userland in the datagram header
matches the size of the buffer passed down in the IOCTL. Note that we
account for the size of the header itself in the check.

Acked-by: Jorgen Hansen <jhansen@vmware.com>
Acked-by: Aditya Sarwade <asarwade@vmware.com>
Signed-off-by: Andy King <acking@vmware.com>
Reported-by: David Ramos <daramos@stanford.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy King
2015-02-19 10:33:56 -08:00
committed by Greg Kroah-Hartman
parent bf1361211d
commit 74b5c297f5
2 changed files with 7 additions and 1 deletions
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drivers/misc/vmw_vmci/vmci_driver.c
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@@ -113,5 +113,5 @@ module_exit(vmci_drv_exit);
MODULE_AUTHOR("VMware, Inc.");
MODULE_DESCRIPTION("VMware Virtual Machine Communication Interface.");
MODULE_VERSION("1.1.1.0-k");
MODULE_VERSION("1.1.2.0-k");
MODULE_LICENSE("GPL v2");