Re: [PATCH] interface: udev backend coverity NULL deref

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On Tue, Feb 26, 2013 at 6:10 AM, Laine Stump <laine@xxxxxxxxx> wrote:
> On 02/26/2013 01:28 AM, Doug Goldstein wrote:
>> This fixes a potential NULL deref identified by John Ferlan
>> <jferlan@xxxxxxxxxx> if scandir() didn't return an expected value.
>> ---
>>  src/interface/interface_backend_udev.c | 7 +++++++
>>  1 file changed, 7 insertions(+)
>>
>> diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c
>> index dca85b3..1034429 100644
>> --- a/src/interface/interface_backend_udev.c
>> +++ b/src/interface/interface_backend_udev.c
>> @@ -779,6 +779,13 @@ udevIfaceGetIfaceDefBond(struct udev *udev,
>>           * so we use the part after the _
>>           */
>>          tmp_str = strchr(slave_list[i]->d_name, '_');
>> +        if (!tmp_str || strlen(tmp_str) < 2) {
>> +            virReportError(VIR_ERR_INTERNAL_ERROR,
>> +                           _("Invalid enslaved interface name '%s' seen for "
>> +                             "bond '%s'", slave_list[i]->d_name, name));
>> +            goto cleanup;
>> +        }
>> +        /* go past the _ */
>>          tmp_str++;
>>
>>          ifacedef->data.bond.itf[i] =
>
> ACK
>

Pushed for 1.0.3. Thanks.

-- 
Doug Goldstein

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