9p back-end first queries the size of an extended attribute,
allocates space for it via g_malloc() and then retrieves its
value into allocated buffer. Race between querying attribute
size and retrieving its could lead to memory bytes disclosure.
Use g_malloc0() to avoid it.
Reported-by: NTuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Signed-off-by: NPrasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: NGreg Kurz <groug@kaod.org>