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linux-next/drivers/virt/vboxguest
Navid Emamdoost e0b0cb9388 virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr
In hgcm_call_preprocess_linaddr memory is allocated for bounce_buf but
is not released if copy_form_user fails. In order to prevent memory leak
in case of failure, the assignment to bounce_buf_ret is moved before the
error check. This way the allocated bounce_buf will be released by the
caller.

Fixes: 579db9d45c ("virt: Add vboxguest VMMDEV communication code")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20190930204223.3660-1-navid.emamdoost@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-10 14:50:32 +02:00
..
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
vboxguest_core.c virt: vbox: Sanity-check parameter types for hgcm-calls coming from userspace 2019-04-25 21:52:40 +02:00
vboxguest_core.h virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x 2019-03-28 01:55:18 +09:00
vboxguest_linux.c virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x 2019-03-28 01:55:18 +09:00
vboxguest_utils.c virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr 2019-10-10 14:50:32 +02:00
vboxguest_version.h virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x 2019-03-28 01:55:18 +09:00
vmmdev.h virt: vbox: Implement passing requestor info to the host for VirtualBox 6.0.x 2019-03-28 01:55:18 +09:00