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linux/drivers/misc/vmw_vmci
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Jorgen Hansen 7eecea89e4 VMCI: Enforce queuepair max size for IOCTL_VMCI_QUEUEPAIR_ALLOC 
When create the VMCI queue pair tracking data structures on the host
side, the IOCTL for creating the VMCI queue pair didn't validate
the queue pair size parameters. This change adds checks for this.

This avoids a memory allocation issue in qp_host_alloc_queue, as
reported by nslusarek@gmx.net. The check in qp_host_alloc_queue
has also been updated to enforce the maximum queue pair size
as defined by VMCI_MAX_GUEST_QP_MEMORY.

The fix has been verified using sample code supplied by
nslusarek@gmx.net.

Reported-by: nslusarek@gmx.net
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Jorgen Hansen <jhansen@vmware.com>
Link: https://lore.kernel.org/r/1611160420-30573-1-git-send-email-jhansen@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-26 19:18:50 +01:00
..
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
vmci_context.c misc: vmw_vmci: fix kernel info-leak by initializing dbells in vmci_ctx_get_chkpt_doorbells() 2020-12-09 19:36:26 +01:00
vmci_context.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_datagram.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_datagram.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_doorbell.c VMCI: Release resource if the work is already queued 2019-08-28 22:57:07 +02:00
vmci_doorbell.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_driver.c vsock/vmci: make vmci_vsock_cb_host_called static 2019-11-20 12:39:29 -08:00
vmci_driver.h vsock/vmci: register vmci_transport only when VMCI guest/host are active 2019-11-14 18:12:18 -08:00
vmci_event.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_event.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_guest.c vsock/vmci: register vmci_transport only when VMCI guest/host are active 2019-11-14 18:12:18 -08:00
vmci_handle_array.c VMCI: Fix integer overflow in VMCI handle arrays 2019-06-21 16:04:05 +02:00
vmci_handle_array.h VMCI: Fix integer overflow in VMCI handle arrays 2019-06-21 16:04:05 +02:00
vmci_host.c vmci_host: get rid of pointless access_ok() 2020-05-29 11:06:38 -04:00
vmci_queue_pair.c VMCI: Enforce queuepair max size for IOCTL_VMCI_QUEUEPAIR_ALLOC 2021-01-26 19:18:50 +01:00
vmci_queue_pair.h misc/vmw_vmci: fix typo 2021-01-26 19:18:01 +01:00
vmci_resource.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_resource.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_route.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00
vmci_route.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 321 2019-06-05 17:37:05 +02:00