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qapi: Check for negative enum values

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We don't currently check for negative enum values in qmp_output_type_enum(),
this will very likely generate a segfault when triggered.

However, it _seems_ that no code in tree can trigger this today.

Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2011-11-14 11:25:09 -02:00
parent 3f5bd4e1b8
commit 54d50be688
1 changed files with 1 additions and 1 deletions
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2
qapi/qmp-output-visitor.c
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@ -190,7 +190,7 @@ static void qmp_output_type_enum(Visitor *v, int *obj, const char *strings[],
assert(strings);
while (strings[i++] != NULL);
if (value >= i - 1) {
if (value < 0 || value >= i - 1) {
error_set(errp, QERR_INVALID_PARAMETER, name ? name : "null");
return;
}