ruby-dev

なかだです。

報告だけですいませんが、1.9が非常に長い行に対するマッチでSEGVし
ます。1.8ではしません。

/([a-z ]{10,}(?:\s+\.)?\n){2}/ =~ DATA.read
__END__
suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qed sell awhile carbonium horseback martin wastrel catabolic calculable snapdragon worcester capacitate backdrop wale  secret imprudent alder coat tress attrition clinic stegosaurus byway citizenry begonia taught checkmate ampersand gaberones crawford denounce chanson fecund kenton expropriate  mantrap diesel railroad tribe impetuous columbus dub handcuff lattice jarvin bandgap grantee insurrect follow acm minute leftover toady boxy drop narcissist incorporable inferential fuchsia papa handmade phalarope cottage manipulate pa idyllic harsh lethargic cartographer  inlay chicory scramble iota nirvana plenipotentiary frog stewardess splendid arequipa borderline healthy makeshift ozone decorticate trumpet snuffle hiawatha invulnerable dragging coconut rage durkee anhydrite saudi ammet!
er amplifier transact appeal decode grill dignity inflater birdwatch kivu widthwise choctaw  barton resistor typescript caribbean barnett drunk worst penis adkins cravat kazoo pluggable significant chorine censorial loophole brenda collectible divisive physiognomy wick eisner candide warp handwritten multinomial everlasting plymouth bookplate atkinson downbeat birdie  benzene exploitation perfusion librate argon albeit purl carrageen shrew converge berman continuant combat simper banquet mathews buried inferior parade tow withheld legislature worn centrifugate gigavolt diety tease begrudge abduct masonic animosity 
pyknotic wasp embargo darn retrogressive fungoid reign lattice logo encroach arenaceous cohere emblem windbag determinate electrify cookie aflame dunlop audiotape acetate chalmers collagen thumb uniaxial nameplate gush edmonton ballast parrish stab fluid comedy bikini byline bullfinch bitten wesley amelia aseptic carry beethoven empire peanut bong compellable credenza function aging construct dapple stiff befall feminism apposition appraise centerpiece gresham  gasoline morse conscript regard accomplish akin sling vale acquire falconry fragment megaword knotty blackmail befitting plush storehouse wicket orthoclase massacre dimple premonitory pauline bonfire punish coattail gratis shrill susie complimentary comanche malaria pedestal graft drip postage lottery dis cortex  quench kuhn additive rata calvinist carey cosmos sweetheart bullfinch jones denumerable acceptant environ amygdaloid pus adjacent anachronism wrapup  duffy bauble apothecary lacuna lottie tempera debrief plus!
hy regressive venerable downside spaulding  rapprochement transcript jubilant mann cupful afresh cormorant elmhurst hormone asunder efflorescent dietetic principia absorb diorama diabase raid infight visigoth carbonium denton centrifugate admix  trypsin crankcase exemplar subsumed endurance whitlock contradistinction triassic permit cashew ani mcmillan balkan summertime estuary dally stick murky amend formulate 

以下スタックトレース。

$ gdb --args ./i686-linux/miniruby bug.rb
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...
(gdb) run
Starting program: /work/build/nobu/ruby-1.9/i686-linux/miniruby /tmp/nobu/a.rb

Program received signal SIGSEGV, Segmentation fault.
match_at (reg=0x81283e8,
    str=0x8128ab8 "suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qe"..., end=0x8129681 "",
    sstart=0x8128ab8 "suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qe"...,
    sprev=0x81294c0 "acuna lottie tempera debrief plushy regressive venerable downside spaulding  rapprochement transcript jubilant mann cupful afresh cormorant elmhurst hormone asunder efflorescent dietetic principia abs"..., msa=0xbfffee94) at /home/nobu/src/ruby/HEAD/regexec.c:2199
2199              p = stkp->u.repeat.pcode;
(gdb) bt
#0  match_at (reg=0x81283e8,
    str=0x8128ab8 "suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qe"..., end=0x8129681 "",
    sstart=0x8128ab8 "suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qe"...,
    sprev=0x81294c0 "acuna lottie tempera debrief plushy regressive venerable downside spaulding  rapprochement transcript jubilant mann cupful afresh cormorant elmhurst hormone asunder efflorescent dietetic principia abs"..., msa=0xbfffee94) at /home/nobu/src/ruby/HEAD/regexec.c:2199
#1  0x0809cb72 in onig_search (reg=0x81283e8,
    str=0x8128ab8 "suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qe"..., end=0x8129681 "",
    start=0x8128ab8 "suffuse crap emancipate johansen culpable ecuador dross donate irrespective irvine cottonmouth platypus balk birth apocrypha ought thea rutland chiffon cheer denny immediacy janitorial muffin dater qe"..., range=0x8129681 "", region=0x80f793c, option=0)
    at /home/nobu/src/ruby/HEAD/regexec.c:3178
#2  0x0809d038 in ruby_re_search (bufp=0x81283e8,
    string=0x81294c0 "acuna lottie tempera debrief plushy regressive venerable downside spaulding  rapprochement transcript jubilant mann cupful afresh cormorant elmhurst hormone asunder efflorescent dietetic principia abs"..., size=3017, startpos=0, range=3017, regs=0x80f793c)
    at /home/nobu/src/ruby/HEAD/reggnu.c:63
#3  0x080962f2 in rb_reg_search (re=1075752256, str=1075752116, pos=0, reverse=0)
    at /home/nobu/src/ruby/HEAD/re.c:917
#4  0x08096edd in rb_reg_match (re=1075752256, str=1075752116)
    at /home/nobu/src/ruby/HEAD/re.c:1517
#5  0x0805a1a9 in rb_eval (self=1075816896, n=0x4021501c) at /home/nobu/src/ruby/HEAD/eval.c:2697
#6  0x08056235 in ruby_exec () at /home/nobu/src/ruby/HEAD/eval.c:1462
#7  0x08056280 in ruby_run () at /home/nobu/src/ruby/HEAD/eval.c:1483
#8  0x080544c5 in main (argc=2, argv=0xbffff6d4, envp=0xbffff6e0)
    at /home/nobu/src/ruby/HEAD/main.c:50
#9  0x400a7917 in __libc_start_main () from /lib/libc.so.6

-- 
--- 僕の前にBugはない。
--- 僕の後ろにBugはできる。
    中田 伸悦

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[ruby-dev:23700] Oniguruma segfaults on matching at long line?

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