begin: ticket=6
discipline added on vtnet0 (qid=0)
queue 'def' added (qid=1)
active altqs: 2  ticket_active=6
  [0] qname='' scheduler=6 qid=0
  [1] qname='def' scheduler=6 qid=1
=== fairq_classstats returned (224 bytes) ===
class_handle = 0x00000001
qlength      = 0
qlimit       = 50
qtype        = 0x3   (Q_RED=0x01 Q_RIO=0x02 Q_DROPTAIL=0x03)
xmit_cnt     = packets=0 bytes=0
drop_cnt     = packets=0 bytes=0

=== uninitialized-region analysis ===
  region [ 12.. 15] (  4 bytes) padding(qlimit->xmit_cnt) : 4 non-zero bytes
     01@12 f8@13 ff@14 ff@15
  region [ 52.. 55] (  4 bytes) padding(qtype->red[0]) : 0 non-zero bytes
  region [ 56..223] (168 bytes) red[3] (Q_DROPTAIL: untouched) : 129 non-zero bytes
     01@56 dd@57 8a@58 18@59 01@60 f8@61 ff@62 ff@63 f8@64 45@65 6a@66 18@67 01@68 f8@69 ff@70 ff@71 87@72 63@73 9a@74 80@75 ff@76 ff@77 ff@78 ff@79 48@80 46@81 6a@82 18@83 01@84 f8@85 ff@86 ff@87

TOTAL non-zero bytes in uninitialized regions: 133 / 176
kernel-pointer-looking 8-byte windows in red[] region: 28

RESULT: LEAK CONFIRMED — 133 bytes of uninitialized kernel stack returned to userspace.