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bug#19567: "segmentation fault" for long patterns ...
From: |
Roméo Capulet |
Subject: |
bug#19567: "segmentation fault" for long patterns ... |
Date: |
Sun, 11 Jan 2015 17:28:37 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 |
hi
I got a segmentation fault when I try to match a very long pattern on a
file:
$ grep -Po 'jQuery\.extend\(Drupal\.settings,[
\t]*\{((?!\}\}\)).)+\}\}\);' /tmp/pattern-exemple.txt
Erreur de segmentation
the grep version : grep (GNU grep) 2.16
the gdb backtrace:
#0 0xb7f7d01a in ?? () from /lib/i386-linux-gnu/libpcre.so.3
#1 0xb7f8b090 in ?? () from /lib/i386-linux-gnu/libpcre.so.3
#2 0xb7f8b3e3 in ?? () from /lib/i386-linux-gnu/libpcre.so.3
#3 0xb7f8b090 in ?? () from /lib/i386-linux-gnu/libpcre.so.3
#4 0xb7f8b3e3 in ?? () from /lib/i386-linux-gnu/libpcre.so.3
(...)
#13099 0xb7f8b090 in ?? () from /lib/i386-linux-gnu/libpcre.so.3
#13100 0xb7f88ab3 in ?? () from /lib/i386-linux-gnu/libpcre.so.3
#13101 0xb7f8e9f3 in pcre_exec () from /lib/i386-linux-gnu/libpcre.so.3
#13102 0x0804c8a2 in ?? ()
#13103 0x0804e191 in ?? ()
#13104 0x0804f3de in ?? ()
#13105 0x0804a630 in ?? ()
#13106 0xb7dc7905 in __libc_start_main (main=0x804a150, argc=4,
ubp_av=0xbffff8a4, init=0x806bfd0, fini=0x806c040, rtld_fini=0xb7fed5f0
<_dl_fini>, stack_end=0xbffff89c) at libc-start.c:260
#13107 0x0804b16d in ?? ()
pattern-exemple.txt
Description: Text document
- bug#19567: "segmentation fault" for long patterns ...,
Roméo Capulet <=