CVS commit: [netbsd-9] src/sys/arch/xen/xen

["Martin Husemann" <martin%netbsd.org@localhost>]

Module Name:    src
Committed By:   martin
Date:           Wed Feb 24 08:05:08 UTC 2021

Modified Files:
        src/sys/arch/xen/xen [netbsd-9]: xennetback_xenbus.c

Log Message:
Apply patch, requested by jdolecek in ticket 1213:

Do not panic Dom0 when hypervisor grant_table_op(GNTTABOP_copy) fails
in xennet(4) backend driver, that can be triggered by malicious or buggy
DomU via bad grant reference.

Part of fixes for XSA-362.


To generate a diff of this commit:
cvs rdiff -u -r1.75.4.1 -r1.75.4.2 src/sys/arch/xen/xen/xennetback_xenbus.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.