From: Tanaka Akira Date: 2004-09-26T03:54:21+09:00 Subject: [ruby-dev:24344] Array#shift causes core dump 次のようにすると core を吐きます。 Z:akr@boron% for i in {6300..7000} do echo $i ./ruby -e ' def fin(&block) ObjectSpace.define_finalizer(Object.new, &block) end ary = (1..100).to_a fin { ary.clear; ary.compact! } '$i'.times { Object.new } Object.new r = ary.shift ary.rindex(3) ' || break done 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6419 6420 6421 6422 6423 6424 6425 6426 6427 6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 -e:8: [BUG] Segmentation fault ruby 1.9.0 (2004-09-24) [i686-linux] Z:akr@boron% gdb ruby core GNU gdb 6.1-debian Copyright 2004 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-linux"...Using host libthread_db library "/lib/tls/libthread_db.so.1". Core was generated by `./ruby -e def fin(&block) ObjectSpace.define_finalizer(Object.new, &block) end'. Program terminated with signal 6, Aborted. warning: current_sos: Can't read pathname for load map: Input/output error Reading symbols from /lib/tls/libdl.so.2...Reading symbols from /usr/lib/debug//lib/tls/libdl-2.3.2.so...done. done. Loaded symbols for /lib/tls/libdl.so.2 Reading symbols from /lib/tls/libcrypt.so.1...Reading symbols from /usr/lib/debug//lib/tls/libcrypt-2.3.2.so...done. done. Loaded symbols for /lib/tls/libcrypt.so.1 Reading symbols from /lib/tls/libm.so.6...Reading symbols from /usr/lib/debug//lib/tls/libm-2.3.2.so...done. done. Loaded symbols for /lib/tls/libm.so.6 Reading symbols from /lib/tls/libc.so.6...Reading symbols from /usr/lib/debug//lib/tls/libc-2.3.2.so...done. done. Loaded symbols for /lib/tls/libc.so.6 Reading symbols from /lib/ld-linux.so.2...Reading symbols from /usr/lib/debug//lib/ld-2.3.2.so...done. done. Loaded symbols for /lib/ld-linux.so.2 #0 0x40099ee9 in raise () from /lib/tls/libc.so.6 (gdb) bt #0 0x40099ee9 in raise () from /lib/tls/libc.so.6 #1 0x4009b781 in abort () from /lib/tls/libc.so.6 #2 0x080d1d16 in rb_bug (fmt=0x0) at error.c:214 #3 0x080afd62 in sigsegv (sig=11) at signal.c:446 #4 #5 0x08054048 in search_method (klass=7225, id=322, origin=0xbfffef64) at eval.c:380 #6 0x080540a9 in rb_get_method_body (klassp=0xbfffefc0, idp=0xbfffefa4, noexp=0xbfffefa8) at eval.c:401 #7 0x0805e2aa in rb_call (klass=7225, recv=135504856, mid=322, argc=1, argv=0xbfffefd8, scope=1) at eval.c:5705 #8 0x0805e6d4 in rb_funcall (recv=135504856, mid=0, n=1) at ruby.h:635 #9 0x080856e3 in rb_equal (obj1=135264248, obj2=3221221312) at object.c:52 #10 0x080c4652 in rb_ary_rindex (ary=1075624200, val=7) at array.c:1032 #11 0x08069e62 in call_cfunc (func=0x80c4600 , recv=1075624200, len=-1073745984, argc=135264248, argv=0xbffff278) at eval.c:5365 #12 0x0805e0a7 in rb_call0 (klass=1075664000, recv=1075624200, id=4369, oid=0, argc=1, argv=0xbffff278, body=0x401d4f44, nosuper=0) at eval.c:5508 #13 0x0805e358 in rb_call (klass=1075664000, recv=1075624200, mid=4369, argc=1, argv=0xbffff278, scope=0) at eval.c:5729 #14 0x08059288 in rb_eval (self=1075689880, n=0x0) at ruby.h:635 #15 0x0805581b in ruby_exec () at eval.c:1458 #16 0x08055860 in ruby_run () at eval.c:1484 #17 0x08053925 in main (argc=0, argv=0x0, envp=0xbffffa74) at main.c:38 (gdb) -- [田中 哲][たなか あきら][Tanaka Akira]