David Lambert/Crash
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jversion
$ ijconsole JVERSION Engine: j902/j64/linux Release-a: commercial/2020-12-05T11:11:55 Library: 9.02.08 Platform: Linux 64 Installer: unknown InstallPath: /usr/share/j/9.02 Contact: www.jsoftware.com
bash command to cause the crash, j reads the program twice.
cat /tmp/crash.ijs /tmp/crash.ijs | ijconsole
crash.ijs
A=:];._2]1!:1<'/tmp/tile'
B=:(];.1~'T'&e."1) A
C=:(11 10$,)"2 B
D=:(([: ". 'Tile:' -.~ {.) ; ('#'=}.))"2 C
edge=: [: #. [: (, |."1) ({."1 , {:"1 , {. ,: {:)
edge=: [: #. [: (, |."1) ({."1 , {:"1 , {. ,: {:)
NB. L R T B left right top bottom
E=:(, edge L:_1)/"1 D
F=:e.{:"1 E
clo=: |:@:|.
ccl=: |.@:|:
ICO=:(I.12=+/"1 F)
IED=:(I.14=+/"1 F)
ICE=:(I.16=+/"1 F)
CO=:ICO{E
ED=:IED{E
CE=:ICE{E
co=:1{::"1 CO
ed=:1{::"1 ED
ce=:1{::"1 CE
CORNERS=:{."1 CO
EDGES =:{."1 ED
CENTERS=:{."1 CE
c=:}."2 C
e=:>{:"1 E
G=: _12 _12 {. {. ICO
index=:$#:I.@:,
NB. rotb=: (ccl@:|.)`(clo)`(clo^:2)`(|."1)`(ccl)`(clo@:|.)`(|.)`(])
NB. rotl=: (clo^:2)`(|.)`(ccl@:|.)`(ccl)`(|."1)`(])`(clo)`(|.@:ccl)
3 :0]{.ICO NB. 81
c=. }."2 C
e=. >{:"1 E
used=. ,: y { e
e=. _1 y} e
g=. _12 _12 {. y
for_j. i. _11 do.
target=. (< - 1 2) { used
'row col'=. {. index target = e
used=. used , row { e
e=. _1 row} e
c=. ((col{rotb)@.0 row{c) row} c
g=. row (<j,_1)} g
end.
)
/tmp/tile
Tile 1787: #..#.#...# ....####.. #......... ...#..#..# .##....##. #....#.... ...#....## .......#.# .......#.# .##.####.# Tile 2687: ...#####.. #..##..... ..#....... ##..#..##. ##........ .......... #....#...# #......#.# .......#.# ########.. Tile 3359: ##.....#.# ....#.#..# ......##.# #.##...#.. ##...##..# #....##..# ...#.....# #.....#... ...#...#.# ##.#..##.# Tile 1907: .##..#..## ..#.#.#..# #......... ..##....#. ...#....#. #..#.....# ......#..# ##.....#.. #.#.....#. ...#.....# Tile 1231: ##........ ##..#..#.# .#..#....# .....##... ....#.#.#. #.#.#....# ....##.#.. #.#.#....# ....#....# .###..#### Tile 3301: .##.#....# ..##.....# #......... ####...#.. ..#....... #.#....#.. #..##.#.## #........# .......#.. .....#.... Tile 3137: ..#...##.# .#.....#.# #...#..### ....#..#.. #......... #......... #......... .#..#.#..# #........# ...#.####. Tile 3917: .#....##.. ##..#..#.. #........# #...#.#..# .#........ .#........ #..#...##. .#.#...#.. ...#...#.. ...##....# Tile 1901: #.######## ..#......# ###.#..#.. .#...##..# .##.#...#. .....#...# #.#..###.. #..#.##.#. ...#.....# ...##.###. Tile 2399: ####.#.#.. ##...#..## ##......## #.......## ........## ....##..#. ........## .........# #.#...#### #.#....#.. Tile 3793: ..##.#.### .#..#....# ...#...... ..#...#... ....##.... ..##..#..# .......... #......... .#..#....# ##.#.###.# Tile 1303: ..#..#.##. ...#...... .......... ...#...#.. .........# ###......# .....#..#. #......... #...#....# #.##.#.### Tile 1997: ###.##..#. ...#.#.... ....#....# ##...##... #...#...#. ##......#. #.#...##.# ....#....# #......#.# ##.#.#...# Tile 3083: .##.#####. #......... ........#. ...#.#.... #....#.... #........# ##.....#.. ...#..#... .....#.... ###.##..## Tile 3853: .#...####. .......... ......#... #......... #.#.....#. #........# #..#.#.... #..#.....# .....##..# ####.##### Tile 2917: ..##.#..## #.#......# ....##.#.. #..###.#.. .#..#...#. ..#..#..## .......... #.#..#.#.# .....#..#. #####...#. Tile 1831: .###.##.## .#.#.....# ....#....# #.####.... ...##..... #......#.# .##....... ..#.....#. #...##.... ..#..###.# Tile 3371: ..####.### ##....#.#. ......##.# #......... ........## .#..#....# .##......# #.#....#.. ##.....#.# ....#..... Tile 1433: .#..#.#### ..#..#..#. ...#..#... #.....#... #....#...# .......##. .........# #....###.. ..#..##.#. #..####### Tile 3347: #....##..# .#....###. #.#.#..... .......... ........## #.......## .....#...# #......... ..#......# ..#..###.. Tile 1933: .##...#.## ....#..... #..##.#... ......##.# #..##...## #........# #....##... ....#..... #.......## #.##.#.#.. Tile 2971: #.##.#.#.# .##....... ##.##.#.## #......... #.....#..# .....#..#. ##.......# #...##.#.# #........# #.##....## Tile 3011: .#..#.###. .........# ....#..... .#.......# ..#......# ........## #....###.. #......#.# #.....#..# .##...##.# Tile 2069: ..#..#..## #......... #....##... #........# #.##.....# .........# .....##... ......#.## ..#....... #.##...##. Tile 1511: .#.##.##.# #..##.#... ....#....# #.#..#.... ####.....# .###..#... ..#...#..# ##..#..##. #..##...## ##..#.#.## Tile 1637: ..#..#.### .......#.. #........# ..#...#... .......... #........# #...#..#.# .##.#.#..# ...#...#.# #.####.### Tile 1609: #..####.## #....#...# .....##... #....#...# ....#...## #........# .....#.... ....#..... #.##.#.... #..###.##. Tile 2749: ##...#.##. ......##.. .........# ##.....#.# #.##...##. #.#..#..## ..#...##.# #...#....# ...#....## ..######## Tile 2141: ....###.#. ....#.##.. .....#..#. #.#.##...# ........#. #..#....## #....#...# .#.......# #.....#... ##..#.#..# Tile 3769: #..##.##.. ##..#..#.# ..##....## ........#. #..#..#... ##.#..##.# .#...#...# ###......# .......... ####.###.. Tile 2083: .###...#.. .#.#...... #...#..#.# #......... ##.......# .......#.# #..#....## #.......## #.#....... .##.#.##.# Tile 2579: .###..#### ..#..#.#.# .#........ .......... ....##.... #...##...# ##.......# .......... .......... #..#.##.#. Tile 3229: #####..#.# #......... #.....#..# ##.....#.. #....#...# .##...#..# .....#...# ...##..### .#.#.....# ...###...# Tile 2663: .#.#..#### #......#.# #......... ##..##.#.. ..##...##. #.#......# ##........ #.#.#...#. ##.....#.# ###...##.. Tile 1709: .####....# .#...##... #.#.#..... .....#.... .......... ..#...#.## ##........ .......... #...##.... #.#.###### Tile 2153: #####....# ....###..# .........# ........#. ...#...#.. ###..#...# ..##...#.. #.......## #.....###. ##.###...# Tile 2803: #..##..#.. ####.#.... #....#.#.. .#.......# #.#..#..## #.#...#... ##...##... .#......## ##.#...... ###...#### Tile 1297: ..###.#..# #...#...#. ....#....# #...##...# ..#..#...# #..##.#..# .#..#..... #......#.. .#..#..##. .#.##..### Tile 3491: ....####.. #...#...## #...#....# #...#.#... ##.#.##... .#........ ..##..#.#. #.....#... ##........ .#.#.#.... Tile 1549: #..####.#. #........# .#........ ...#....## .......... #...##...# #........# #...#...## ..#.....#. #..##..#.# Tile 3527: #.###...## ...#...#.# #..##.#..# .#.##..#.. ........#. #......### ...#...#.. #.....#.## #.##...... ########.# Tile 3517: .#.#..#... #....#...# #...#.#... ..#....... #....#.... #..#.....# ##....#... #..#.....# .......#.. #.#..#.##. Tile 2503: ##....##.# .....#...# #......... #..#.....# #...#..#.. ...#...... #...#...#. .#.#.....# #.#.##...# .#...##.## Tile 2081: ###......# #.##.#.... #......##. .#..#....# .....#...# #....#.#.# .##....... .......... .......#.# #.##.#.#.# Tile 1301: ##.#.#.##. #.#....#.. .#...#.... #....#..#. .......#.# .#.......# .#.......# .#.##..#.. .#.....##. .##.#....# Tile 3191: ####.#.#.. #......... .#.....##. .#...##..# ....#.###. ##.......# #........# .#.....#.# ......#..# #.###.#... Tile 2539: .#....#.## #........# ...##....# #......... #....#.... .......... .......#.. ....#..#.# #....##..# ....###.#. Tile 2819: #..#####.. ....#....# ......#... ###....... ....#....# #..###...# #.#..##..# ..#..#...# ###....#.. ..#.##.##. Tile 3989: ###.#..#.# .....#.##. .......#.# .....#.#.. ....##..#. #.......## #.##...#.# .....#.### #.#.#..### .##..##.#. Tile 1249: ......#... #.#......# ....#....# #.#...#### .........# ........#. #......... .......##. ......#..# .#.##.#.## Tile 3221: ..##.#.### #........# #......#.. ##.....#.. ....#....# ....#....# #..#...... ..#.....#. .........# .#####.##. Tile 2801: .##..#.#.# #.#..#..## .#....##.. .......#.. #...#..... #....#.... #......... .##.#.#.## .....#...# .###.#..## Tile 2137: #.##.#.##. #......#.. ...##.#..# .#..#..##. #.#####.#. #...#..... .....#...# #...###..# .#.#...#.# ..###.##.# Tile 3673: .###.##### ......#..# .###.#.... .......... .#..#....# ....#..... .#...#.... #..#....#. ##.#.....# .#.###.##. Tile 1747: ####.##.#. #........# #.....#..# .....#...# ....#.#..# .......... .#.#...... ##........ ........## ###..###.# Tile 3121: #....#..#. ##....#.#. #..#.....# .#.......# ..#...#.#. #....#.##. .....#...# #....##... #.#....... ###.####.. Tile 2521: #.##..##.. #....#..## #..#...... #..###.... #.......#. ...#..#..# #...#....# ....##..## #......... .##.#.#.## Tile 1583: ...#.##### #..#...#.. ##........ .#.......# ......###. ......#..# #...#....# .....#.#.. #......... ##.#..###. Tile 3541: ..##..#..# ..##..##.. #.#..##... ...#.#..## ....#...#. #.#..#.... .........# ...#.#...# ##..##.#.# #.#..#..## Tile 1187: .......#.# #......... .....#..#. ...#..#... .#.......# .#.#.#...# #.#.....#. #......##. .#.......# .##..##### Tile 3257: ##.#...#.# #.#.#..... ##....#.## .....#.#.# #.....#### #..#...#.. #....#.... .#.......# .....#..## ####.....# Tile 2969: ###.##.##. .....#.#.. ##.#....## #.....#... ...#.#...# ...#..##.. ......#..# ..#....... .#.....#.. ..##.#.#.# Tile 3433: #.#.#..#.. ###.#.#... .#......## #.##...#.# .......#.# .#.......# ..#......# .#.....#.# ###.#...## .##..#.#.. Tile 1427: .#.#####.# .#...#.### ..##.###.. .......... ..#....... #....#.#.. .........# .....##..# ###......# #.##.#..#. Tile 1559: #..#.#.##. ..##.....# #.##...... #.#.#.#### .......... ..##...... #....#.... .###..#.#. #...#..... .#.###.##. Tile 1777: #....#..#. #......... ........## ###....#.# #......#.. ....#....# #.#...#... ##...#.... .........# ##.###.##. Tile 3169: .#...##### .....#.... .##..#.##. ..#.#.#..# ...##....# #..#...... #...#....# ..#..###.# .....###.. #..##.###. Tile 2459: ##.##..#.. .........# ...#..#.#. #..##..#.# #.....#..# .......... #.......#. ..##.....# .......... .#.......# Tile 1019: ...#.#.### #........# .........# #.....#..# .#........ ...#.#...# #.....#..# .......#.. #.......#. ####.##.#. Tile 3929: #.##..###. #..#....## ..##...#.# #.#...##.# #..#...#.. .......#.. .........# ##.#....## ..#....#.. #.###..... Tile 1447: ####.####. #..#.#...# .#....#..# ......#.## #......... .#....#.## ....#..... .......#.. #..#.##..# #...#.#### Tile 1627: ##.####### #.#....#.. ##.......# #....#.#.. #......... #..#...#.. ....#..... .....#.... #.....#.## ##.##.#.#. Tile 3719: #.....#... .#...#..## .......... ###.##.#.. .........# #.#......# ...#.....# ......##.# #..#...... #....#.### Tile 2267: ###..##.## .....#...# #.....#... .....#.#.# #......### ........## .......#.. #.#...#... #.....#.#. ..##...#.# Tile 1291: ..###...#. #..#...#.. ....#...#. .##.##.#.. #...#.#.## .........# #.....#... ......#.## .#...#...# #...#.#... Tile 3701: .###.##.#. ......###. ...#...... ..#...#.#. #.##...... .#.#....#. .###.#..## .###...... #..##....# ##..#..### Tile 1607: ...#.##.#. .....#.#.. ...#.##..# #......... ###......# .#........ ..#.....## ..#.#.#... .#.##..... .#.###...# Tile 3877: .##.#...## #...##.#.. #.......## ##.....#.. ....#...#. ......#.## .##..##... #...#..... .........# .##.#..#.# Tile 1471: #....##.#. #...#....# ..#......# ##.###...# .#.####... #...#....# ...#....#. .......... ###....#.. .##.#...#. Tile 2017: .####.###. ##....#..# ....#.#.## #...#...## #......... #........# ..#.....#. #........# .......... ...####.#. Tile 1987: ......#.#. ..#....#.. #.......## #...#..... .......#.# #.#...#... .#..#..... .....#.### ..###..#.# ##....#.#. Tile 1453: ###.###..# ...#...... .....#...# ..#.....## #........# .........# ##...#.... .#.......# ..#.#.##.. ....#.#.## Tile 2027: ..#.#..#.# ..#....... .......... ..##.#.... ......#... #...#...## ....#...#. .....#.... #...#.#.## #.#####..# Tile 2411: ##...###.. ..#....... #.#......# #.#.#...#. .#.......# #........# ..#...#..# #......... #........# #..##.#.## Tile 2939: ....#..#.# .#.##.#... .....#..#. ....#...#. ......##.# ...#.##..# ##..##...# ...#.#...# ..#...#..# ...##.#### Tile 1439: .######.## ..#...#... .#.#.#..## #.....#... .......#.# #..#.#...# .....#.... #....#...# #.##...... ...##..... Tile 3739: ...#...### ....##.#.# ####....## ###.....## #......... #.......#. ##........ #.#....... ..##.#.... #####..... Tile 2957: ###.#.###. #......#.# ##.......# ...##....# ......#..# #.#...#... .....#...# .......#.# ...#.....# ...#....## Tile 1861: ##.##....# .......#.. #........# ...#.....# #..#.....# #....#...# ....#....# #.#....... ....#....# ..###..#.. Tile 3313: ####...... .###.....# .#.......# #.......#. #.##...... ###.....## ..#.#.#... ..###....# ###......# ####.#.... Tile 1429: ####....#. #........# ....#.#... .......#.. .#...###.. .........# #........# #.#......# #......#.# ##..#..##. Tile 2707: .#.#.#.... #........# .##....#.. ....#.#.## .......... ##........ ##....#..# #......#.# ...#..##.# ###..#..## Tile 2131: .##.###..# #...#..... #.#.##..#. #.##..#... #.....#### #..###...# #####...## .##.#....# #....####. ...####### Tile 3329: ..##.###.. #####....# ..#.#..... #......... ##...#.... .....#.... #.#...#... #.######## #...#..#.# .##.##.#.. Tile 1103: ##.##.###. #..#...#.. #........# #........# ....#....# ..#..##..# ..#.#...## #...##.#.. #.#.##.... .###.##..# Tile 1201: #.##.##.## ......#... ..#....#.. ..#..###.. ...#...... .......... ..#...#..# ..#.#.##.. #........# ...#...##. Tile 2063: .##..#.##. .#..##.### .###...##. #.#..#..## #......#.# #......... ..###..... ........## .........# ####..##.. Tile 1327: .#..#.###. ##.......# .#........ .#.#...... .##.#.#... .##...#..# .......#.. #..#.#...# #.#......# ######..#. Tile 3779: ...##..##. #....##..# ..#......# ..#.##.... ......##.# ..#....... .#........ #.#.##.... .##....... #.###..... Tile 3061: ....#.###. #......... ......##.# #.......## ##....#... #..#..#... ...#.....# #.##.....# #........# #....#...# Tile 3323: #.##.#.#.. ...#...#.# .......#.. #....#.... #......### ........## #...#..... #...#..... #....#...# ####.#...# Tile 1031: #..#.#.##. ##...#..## ...#.....# .....#..## ###.#....# ..#.#....# ..##.#...# .#...#.#.# .#........ #.#...#... Tile 2039: #.#.###..# .#.#...... #...##...# #..#..#... .#......## ....#....# #...#.#... ##..##.... #..#.##..# .#.#...#.# Tile 1123: ####.###.. #.###..#.. .#...#.#.# .........# .....#...# ..##...#.# ...#..#..# #...##.#.# .......... #.####.### Tile 1483: ###.#.#### #.....#.#. ##........ .....#.... ...#.....# ......#... #......... ..#...#..# #.#....... ...#.#.### Tile 2053: ..##.#.#.. .....#...# #..#.....# ##...#...# .....###.. .......... #...#..... ##.#..#..# #...##.#.# ..##.#..## Tile 2879: ...#...### .....#..#. #..#...... #.....#... ##...#.... ......#... .#.#...... ##...#...# #..#..#..# .##...#### Tile 3343: ..#.##...# #....#..#. .....#..## #..#.....# #...#..... #......... #.##....#. .......... ....#..... .....###.. Tile 3709: .#..####.. ....#.#... ....####.. #...####.. ..##..##.# #....##... ..##...... ......#... #...##.### .#..#...## Tile 2531: ..####.... ##......#. .#.......# #....#.... ........## ......#... ##.#.#.... #......... .##....#.. #..#####.# Tile 2251: ...#....## .......... ##.......# #..###...# #.#..#.### ...##..... ###......# .##.#..... .......#.# ####.##.## Tile 1753: .#.##...#. #........# .#........ #.......#. ...#.#.... ......#..# .#......#. .......... #..##..#.# ##.##...#. Tile 2477: #####.#.## .......#.. ##........ .........# .......... .........# ##.##....# #...#.#..# #......#.# #.#.#.#... Tile 1823: ###.#.#### #.#..#..#. .......... ....##.... #......... #......... ##......## #........# .......... ##..###### Tile 1801: ###...#### .......... .....##... .#.#.....# ....#..#.. #......... #.......#. #.....#..# .....#...# #.##.....# Tile 2689: ...##....# ..#....... .#....##.# ...#...... .#.#....## #.#......# ....####.. .......... ....#...## #.#.#.#... Tile 1951: #...##.... #.....#... .....#...# .#.#..#### #.#.###..# #...#..#.. ......##.. ##........ ..#.#....# .##..#.... Tile 2441: .##.....#. ......#..# ..#.#..... #......### #..#.....# ...#..#.## .......... ......#..# #..#..##.. ###.#.#..# Tile 1109: #.#.####.. ..#......# #.....#..# .#.......# ...#...... .......... #.#....#.# ##.#...#.. #...#....# ##..##.### Tile 3023: #..##..#.# .###.#.### #....##.## ....#....# ..#....... #.#.#..#.# #...#...#. #...#...## #......#.. ....#.#### Tile 1721: #...#.##.# #......... ###..#..#. ..###....# ......##.# #...#..... #...#...## ...#.###.. .......... ..###.#... Tile 2887: ..#..#.#.# .#.....##. #........# #.....#..# .#.....#.. ##.....##. #..#...... .....#...# #......#.. ..###..... Tile 2659: #..#.#..#. #.....#... ....#..#.. #.......#. .....#..## ........#. ....#....# #..##..... ..##.#..#. ##.#.##.#. Tile 2557: #..#..##.. #.....#... #....#...# #...#..... .#.#...... #......#.. ...#...#.# .......##. #........# ..#..#.### Tile 3697: ..##.#...# #.#.....## ....#....# .#........ ......#... #......#.. .#.......# .......... #........# ##.#....## Tile 3407: ##...###.. #...#..... #....##... #........# #...#.#... ....#..#.# #...#....# #........# #..#.#..## #..###...# Tile 2857: #.###....# ###...###. .#...#.### #.#.....## #.##...##. #...#..#.. #...###..# #.#....#.. #..#...#.# #.#..##.## Tile 2551: .#.##.#.#. #........# .....#.#.. .#....#... ......#.## #.......#. #.#......# ..#.#....# .#.#...#.. ..#.#....# Tile 1867: #######... #.....#.## #.#...#.#. #...#.#.## .....##... #.#.....## #.#...#... ....#...#. #.###....# #...##..## Tile 3041: #.###..#.. ..#....... #...#....# #....#..## #......#.. .###..##.. ##.##...#. #..#....## #........# ##....#.## Tile 2671: ##..##.... .....#...# ....##.... ...#...#.. #...#....# .......### .......#.# .#..#....# #.....##.. ###..##.## Tile 2543: ..#.#...#. ...#..#... #.#....##. ...####..# #......... ##.#....## ##........ #....#.... ....#..... #...##.... Tile 1063: .#.#.....# ##..#....# #.##....## .......... .......#.. #........# .#......#. ###...#..# #........# ###.#.#..# Tile 3539: .#..###... ..#.....## .#.##...## #......#.# #.#....#.. .#.#.....# #.##...#.. #.###..### #.#.#.#.## .#..###### Tile 2843: ##.....### #.......## .........# .##..##..# ..#....... #........# ........## ...#.#.#.. .#........ #..##.#.## Tile 1663: ###.#.#.#. #.#...#.## #...#....# ...##..... .....#...# #.......#. #..##..... ...#.#.... .......... ..#.#.##.. Tile 1999: ..#.#.#.#. .......... .......#.. #..#.#.... #.#....#.# #...#..... #..##..#.. #...##..## .#.#....## .#.....### Tile 3463: ..##..##.# #.....#..# #...##.#.. ...##...## .........# #.#..#..#. #....#...# #........# #......... ...##...#. Tile 3823: #....##..# ..#.##..#. #..##....# .......... .........# ......#... #.#......# ......##.# ..#....... ..##.##.#. Tile 2777: .###...### .........# ##.#...#.. #..#...... #.###..... .....#..#. #...#..... ......#... ..##...... ...#...##. Tile 2347: #...#..#.# #.#.#.#.## #....##### .#...###.# ..##.##.## .........# #......... .....##... ....#.#... #..####### Tile 2897: ##.###.##. .....#..#. #....##..# .#..#.#.#. .#..#....# #.#....... ##..#....# ......#... #.#..#.... ..#..##... Tile 2423: #####.##.. ...#...... #.....##.# .#..##...# ##.###..## ...#...#.. #........# .........# #####..### ###.##..#. Tile 2797: ...#.##.## #.....#..# .........# ..###..#.# ....#....# #.#....... .#.#....#. .......... #...#...#. .#.####..#