ILLEGAL_BEFORE=0
=== step 1: read all 32 w files (allocates 32 DIO buffers) ===
00000000  57 46 49 4c 45 30 30 4d  41 52 4b 45 52 c6 85 a9  |WFILE00MARKER...|
dmesg: sysctl kern.msgbuf: Cannot allocate memory
00000000  57 46 49 4c 45 30 31 4d  41 52 4b 45 52 c7 09 42  |WFILE01MARKER..B|
00000000  57 46 49 4c 45 30 32 4d  41 52 4b 45 52 23 50 90  |WFILE02MARKER#P.|
00000000  57 46 49 4c 45 30 33 4d  41 52 4b 45 52 ad f1 2b  |WFILE03MARKER..+|
00000000  57 46 49 4c 45 30 34 4d  41 52 4b 45 52 c5 d3 65  |WFILE04MARKER..e|
00000000  57 46 49 4c 45 30 35 4d  41 52 4b 45 52 97 23 1b  |WFILE05MARKER.#.|
00000000  57 46 49 4c 45 30 36 4d  41 52 4b 45 52 62 52 c5  |WFILE06MARKERbR.|
00000000  57 46 49 4c 45 30 37 4d  41 52 4b 45 52 50 f2 82  |WFILE07MARKERP..|
00000000  57 46 49 4c 45 30 38 4d  41 52 4b 45 52 4b 53 76  |WFILE08MARKERKSv|
00000000  57 46 49 4c 45 30 39 4d  41 52 4b 45 52 4b a9 9c  |WFILE09MARKERK..|
00000000  57 46 49 4c 45 31 30 4d  41 52 4b 45 52 7c c5 f3  |WFILE10MARKER|..|
00000000  57 46 49 4c 45 31 31 4d  41 52 4b 45 52 78 80 fd  |WFILE11MARKERx..|
00000000  57 46 49 4c 45 31 32 4d  41 52 4b 45 52 d6 8b c5  |WFILE12MARKER...|
00000000  57 46 49 4c 45 31 33 4d  41 52 4b 45 52 bd 23 0c  |WFILE13MARKER.#.|
00000000  57 46 49 4c 45 31 34 4d  41 52 4b 45 52 98 f3 91  |WFILE14MARKER...|
00000000  57 46 49 4c 45 31 35 4d  41 52 4b 45 52 4c a9 0a  |WFILE15MARKERL..|
00000000  57 46 49 4c 45 31 36 4d  41 52 4b 45 52 9f 10 f9  |WFILE16MARKER...|
00000000  57 46 49 4c 45 31 37 4d  41 52 4b 45 52 4d 45 d4  |WFILE17MARKERME.|
00000000  57 46 49 4c 45 31 38 4d  41 52 4b 45 52 2a 42 a8  |WFILE18MARKER*B.|
00000000  57 46 49 4c 45 31 39 4d  41 52 4b 45 52 92 e2 cc  |WFILE19MARKER...|
00000000  57 46 49 4c 45 32 30 4d  41 52 4b 45 52 86 ad 4f  |WFILE20MARKER..O|
00000000  57 46 49 4c 45 32 31 4d  41 52 4b 45 52 62 e9 64  |WFILE21MARKERb.d|
00000000  57 46 49 4c 45 32 32 4d  41 52 4b 45 52 17 d7 40  |WFILE22MARKER..@|
00000000  57 46 49 4c 45 32 33 4d  41 52 4b 45 52 fb cb cc  |WFILE23MARKER...|
00000000  57 46 49 4c 45 32 34 4d  41 52 4b 45 52 1b b5 c8  |WFILE24MARKER...|
00000000  57 46 49 4c 45 32 35 4d  41 52 4b 45 52 ce 1e 6f  |WFILE25MARKER..o|
00000000  57 46 49 4c 45 32 36 4d  41 52 4b 45 52 61 c8 50  |WFILE26MARKERa.P|
00000000  57 46 49 4c 45 32 37 4d  41 52 4b 45 52 2b a6 e2  |WFILE27MARKER+..|
00000000  57 46 49 4c 45 32 38 4d  41 52 4b 45 52 28 06 4f  |WFILE28MARKER(.O|
00000000  57 46 49 4c 45 32 39 4d  41 52 4b 45 52 6c 51 a9  |WFILE29MARKERlQ.|
00000000  57 46 49 4c 45 33 30 4d  41 52 4b 45 52 32 ad 86  |WFILE30MARKER2..|
00000000  57 46 49 4c 45 33 31 4d  41 52 4b 45 52 66 33 55  |WFILE31MARKERf3U|
=== step 2: read f1 (CROSSED chain: OOB read past window buffer) ===
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000200
ILLEGAL_AFTER_READ=1
=== step 3: write junk to all w files (in-place; dirties all DIO bufs) ===
=== step 4: write pattern to f1 (CROSSED: 0x300 bytes past window buf) ===
1024 bytes transferred in 0.000045 secs (22679956 bytes/sec)
=== step 5: umount (flush) ===
UMOUNT_RC=0
=== DONE ===