c/s f8303458 restricted speculative access for do_vcpu_op(), but neglected its
compat counterpart, which is reachable by guests using the 32bit ABI.
Make an identical adjustment.
Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
---
CC: Jan Beulich <jbeul...@suse.com>
CC: Wei Liu <wei.l...@citrix.com>
CC: Roger Pau Monné <roger....@citrix.com>
CC: Stefano Stabellini <sstabell...@kernel.org>
CC: Julien Grall <julien.gr...@arm.com>
CC: Norbert Manthey <nmant...@amazon.de>
---
xen/common/compat/domain.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/common/compat/domain.c b/xen/common/compat/domain.c
index 88bfdc8..39877b3 100644
--- a/xen/common/compat/domain.c
+++ b/xen/common/compat/domain.c
@@ -39,7 +39,7 @@ int compat_vcpu_op(int cmd, unsigned int vcpuid,
XEN_GUEST_HANDLE_PARAM(void) ar
struct vcpu *v;
int rc = 0;
- if ( vcpuid >= d->max_vcpus || (v = d->vcpu[vcpuid]) == NULL )
+ if ( (v = domain_vcpu(d, vcpuid)) == NULL )
return -ENOENT;
switch ( cmd )
--
2.1.4
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