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authorAndreas Färber <afaerber@suse.de>2012-04-17 16:15:15 +0200
committerAndreas Färber <afaerber@suse.de>2012-04-25 10:51:35 +0200
commita88a677f54e855c0453f06e0347904e4144e1c2b (patch)
tree903d68a28434f3ed2c9d040f14b2a20e3f3cca87 /target-i386
parent61dcd775785b07a5e0c3858b67aa356b87543710 (diff)
target-i386: Add range check for -cpu ,family=x
A family field value of 0xf and extended family field value of 0xff is the maximum representable unsigned family number. All other CPUID property values are bounds-checked, so add a check here for symmetry before we adopt it in a property setter. Signed-off-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/cpu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 3dc0f80c9a..5cebb3dd9b 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -691,7 +691,7 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model)
if (!strcmp(featurestr, "family")) {
char *err;
numvalue = strtoul(val, &err, 0);
- if (!*val || *err) {
+ if (!*val || *err || numvalue > 0xff + 0xf) {
fprintf(stderr, "bad numerical value %s\n", val);
goto error;
}