# SEGV in ruby\_re\_compile\_pattern

**URL:** <https://www.ruby-forum.com/t/segv-in-ruby-re-compile-pattern/102360>\
**Category:** Development\
**Created:** [August 15, 2006, 2:16pm UTC](https://www.ruby-forum.com/t/segv-in-ruby-re-compile-pattern/102360 "2006-08-15T14:16:03Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tietew](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/b77776/32.png) [@Tietew](https://www.ruby-forum.com/u/Tietew)\
**Post date:** [August 15, 2006, 2:16pm UTC](https://www.ruby-forum.com/t/segv-in-ruby-re-compile-pattern/102360/1 "2006-08-15T14:16:03Z")

</div>

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/usr/local/lib/ruby/1.8/rexml/text.rb:324: [BUG] Segmentation fault  
ruby 1.8.5 (2006-07-28) [i686-linux]

(gdb) bt  
#0 0xb7db983b in raise () from /lib/tls/libc.so.6  
#1 0xb7dbafa2 in abort () from /lib/tls/libc.so.6  
#2 0xb7f3ec61 in rb\_bug (fmt=0x0) at error.c:214  
#3 0xb7fa7012 in sigsegv (sig=11) at signal.c:537  
#4  
#5 0xb7e040dd in mallopt () from /lib/tls/libc.so.6  
#6 0xb7e038fb in mallopt () from /lib/tls/libc.so.6  
#7 0xb7e02c43 in malloc () from /lib/tls/libc.so.6  
#8 0xb7f60197 in ruby\_xmalloc (size=208) at gc.c:121  
#9 0xb7f99116 in ruby\_re\_compile\_pattern (pattern=0x831a8a0 “&”,  
size=5,  
bufp=0x81452e0) at regex.c:2450  
#10 0xb7f94f53 in make\_regexp (s=0x831a8a0 “&”, len=5, flags=0) at  
re.c:643  
#11 0xb7f960fb in rb\_reg\_initialize (obj=3082846040, s=0x831a8a0  
“&”,  
len=5, options=0) at re.c:1373  
#12 0xb7f962c6 in rb\_reg\_new (s=0x8392840 “a”, len=137963584,  
options=137963584) at re.c:1407  
#13 0xb7f4914a in rb\_eval (self=3083084920, n=0x8392840) at eval.c:3837  
#14 0xb7f47285 in rb\_eval (self=3083084920, n=0x8392840) at eval.c:3636  
#15 0xb7f4ab3a in rb\_yield\_0 (val=3082846200, self=3083084920, klass=0,  
flags=0, avalue=0) at eval.c:4989  
#16 0xb7f4b169 in rb\_yield (val=137963584) at eval.c:5071  
#17 0xb7f30c17 in rb\_ary\_each (ary=3082846320) at array.c:1130  
#18 0xb7f5a44e in call\_cfunc (func=0xb7f30be0 \<rb\_ary\_each\>,  
recv=3082846320,  
len=137963584, argc=135750152, argv=0x0) at eval.c:5659  
#19 0xb7f4c950 in rb\_call0 (klass=3084420520, recv=3082846320, id=3825,  
oid=137963584, argc=0, argv=0x0, body=0xb7d88184, flags=0) at  
eval.c:5812  
#20 0xb7f4d3e6 in rb\_call (klass=3084420520, recv=3082846320, mid=3825,  
argc=0, argv=0x0, scope=0) at eval.c:6042  
#21 0xb7f4796d in rb\_eval (self=3083084920, n=0x8392840) at ruby.h:654  
#22 0xb7f46cd6 in rb\_eval (self=3083084920, n=0x8392840) at eval.c:3175  
#23 0xb7f45ff9 in rb\_eval (self=3083084920, n=0x8392840) at eval.c:2917  
#24 0xb7f4ccd6 in rb\_call0 (klass=3083084900, recv=3083084920, id=23377,  
oid=137963584, argc=0, argv=0xbfffa360, body=0xb7d0c6c4, flags=0)  
at eval.c:5948  
#25 0xb7f4d3e6 in rb\_call (klass=3083084900, recv=3083084920, mid=23377,  
argc=2, argv=0xbfffa358, scope=0) at eval.c:6042  
#26 0xb7f4796d in rb\_eval (self=3082191020, n=0x8392840) at ruby.h:654  
#27 0xb7f472de in rb\_eval (self=3082191020, n=0x8392840) at eval.c:3646  
#28 0xb7f4ccd6 in rb\_call0 (klass=3083084860, recv=3082191020, id=5145,  
oid=137963584, argc=0, argv=0x0, body=0xb7d53254, flags=0) at  
eval.c:5948  
#29 0xb7f4d3e6 in rb\_call (klass=3083084860, recv=3082191020, mid=5145,  
argc=0, argv=0x0, scope=0) at eval.c:6042  
#30 0xb7f4796d in rb\_eval (self=3082191260, n=0x8392840) at ruby.h:654  
#31 0xb7f494dc in rb\_eval (self=3082191260, n=0x8392840) at eval.c:3389  
#32 0xb7f4ccd6 in rb\_call0 (klass=3082876560, recv=3082191260, id=332,  
oid=137963584, argc=0, argv=0xbfffc14c, body=0xb7c91604, flags=0)  
at eval.c:5948  
#33 0xb7f4d3e6 in rb\_call (klass=3082876560, recv=3082191260, mid=332,  
argc=1,  
argv=0xbfffc148, scope=0) at eval.c:6042  
—Type to continue, or q to quit—  
#34 0xb7f4796d in rb\_eval (self=3084446200, n=0x8392840) at ruby.h:654  
#35 0xb7f482f4 in rb\_eval (self=3084446200, n=0x8392840) at eval.c:2944  
#36 0xb7f4635c in rb\_eval (self=3084446200, n=0x8392840) at eval.c:3006  
#37 0xb7f4ab3a in rb\_yield\_0 (val=3082198520, self=3084446200, klass=0,  
flags=0, avalue=0) at eval.c:4989  
#38 0xb7f4b169 in rb\_yield (val=137963584) at eval.c:5071  
#39 0xb7f30c17 in rb\_ary\_each (ary=3082182040) at array.c:1130  
#40 0xb7f5a44e in call\_cfunc (func=0xb7f30be0 \<rb\_ary\_each\>,  
recv=3082182040,  
len=137963584, argc=135750152, argv=0x0) at eval.c:5659  
#41 0xb7f4c950 in rb\_call0 (klass=3084420520, recv=3082182040, id=3825,  
oid=137963584, argc=0, argv=0x0, body=0xb7d88184, flags=0) at  
eval.c:5812  
#42 0xb7f4d3e6 in rb\_call (klass=3084420520, recv=3082182040, mid=3825,  
argc=0, argv=0x0, scope=0) at eval.c:6042  
#43 0xb7f4796d in rb\_eval (self=3084446200, n=0x8392840) at ruby.h:654  
#44 0xb7f46cd6 in rb\_eval (self=3084446200, n=0x8392840) at eval.c:3175  
#45 0xb7f4ab3a in rb\_yield\_0 (val=3082482660, self=3084446200, klass=0,  
flags=0, avalue=0) at eval.c:4989  
#46 0xb7f4b169 in rb\_yield (val=137963584) at eval.c:5071  
#47 0xb7f30c17 in rb\_ary\_each (ary=3082498320) at array.c:1130  
#48 0xb7f5a44e in call\_cfunc (func=0xb7f30be0 \<rb\_ary\_each\>,  
recv=3082498320,  
len=137963584, argc=135750152, argv=0x0) at eval.c:5659  
#49 0xb7f4c950 in rb\_call0 (klass=3084420520, recv=3082498320, id=3825,  
oid=137963584, argc=0, argv=0x0, body=0xb7d88184, flags=0) at  
eval.c:5812  
#50 0xb7f4d3e6 in rb\_call (klass=3084420520, recv=3082498320, mid=3825,  
argc=0, argv=0x0, scope=0) at eval.c:6042  
#51 0xb7f4796d in rb\_eval (self=3084446200, n=0x8392840) at ruby.h:654  
#52 0xb7f46cd6 in rb\_eval (self=3084446200, n=0x8392840) at eval.c:3175  
#53 0xb7f438cc in ruby\_exec\_internal () at eval.c:1606  
#54 0xb7f43924 in ruby\_exec () at eval.c:1626  
#55 0xb7f43961 in ruby\_run () at eval.c:1636  
#56 0x080486f3 in main (argc=137963584, argv=0x8392840, envp=0xbffff9c0)  
at main.c:46

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