mounted /dev/vn0 on /tmp/hpfsmp (RW)
MOUNT_RC=0
pre-write sector 0x30:
0000000    38  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00
0000010    00  00  00  00  00  00  00  00  00  00  00  00  00  00  00  00
--- trigger as unprivileged user (uid 1001) ---
uid=1001(maxx) gid=1001(maxx) groups=1001(maxx)
DF3139 read  sector 0x10 via file offset 0x200000: first8 = 0xfa53e9c5f995e849 (want su_magic 0xfa53e9c5f995e849)
DF3139 read  sector 0x30 via file offset 0x204000: first4 = 0x00000038 (want 0x00000038)
DF3139 write sector 0x30 via file offset 0x204000: rc=512
DF3139 verified: file pread now returns our marker from raw sector 0x30
RUN_EXIT=0
--- raw sector verification (root) ---
Ambiguous output redirect.
--- raw sector verification (root) ---
0000000    44  46  33  31  33  39  2d  50  57  4e  45  44  2d  52  41  57
0000010    2d  53  45  43  54  4f  52  2d  57  52  49  54  45  00  00  00
UMOUNT_OK
VN_DETACHED