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heimdal:kdc: Accommodate NULL data parameter in krb5_pac_get_buffer()

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Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This commit is contained in:
Joseph Sutton 2022-06-16 10:33:29 +12:00 committed by Jule Anger
parent 8f4b78907b
commit 6199a07635
1 changed files with 6 additions and 4 deletions
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10
source4/heimdal/lib/krb5/pac.c
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@ -394,10 +394,12 @@ krb5_pac_get_buffer(krb5_context context, krb5_pac p,
if (p->pac->buffers[i].type != type)
continue;
ret = krb5_data_copy(data, (unsigned char *)p->data.data + offset, len);
if (ret) {
krb5_set_error_message(context, ret, N_("malloc: out of memory", ""));
return ret;
if (data) {
ret = krb5_data_copy(data, (unsigned char *)p->data.data + offset, len);
if (ret) {
krb5_set_error_message(context, ret, N_("malloc: out of memory", ""));
return ret;
}
}
return 0;
}