DF-2619 / run_2619_instr.sh
#!/bin/sh # DF-2619 on instrumented kernel: stat FIRST (no prior namecache), then getdents. cd /root/poc/dfv LONGNAME=$(head -c 255 /dev/zero | tr '\0' 'A') vnconfig -u vn0 2>/dev/null || true vnconfig -c vn0 /root/poc/dfv/craft2619.img mount -o ro -t hammer2 /dev/vn0@testvol /mnt/h2x || echo "MOUNT FAILED" echo "--- stat 255-char name FIRST (dirent_test bcmp OOB):" stat -t "/mnt/h2x/$LONGNAME" >/dev/null 2>&1; echo "stat rc=$?" echo "--- stat a random 255-char name (negative control):" stat -t "/mnt/h2x/$(head -c 255 /dev/zero | tr '\0' 'Z')" >/dev/null 2>&1; echo "statZ rc=$?" echo "--- getdents:" ./getdents_dump /mnt/h2x umount /mnt/h2x; vnconfig -u vn0 echo DF2619_INSTR_DONE |