tag 366469 confirmed
reassign 366469 grep,libc6
retitle 366469 grep -i segfaults matching a binary file in zh_CN.GBK locale
thanks
On Mon, May 08, 2006 at 03:42:38PM -0700, Xin Liu wrote:
> Package: grep
> Version: 2.5.1.ds2-4
>
> When the locale is zh_CN.GBK, "grep -i" would produce segment fault
> with binary files. For instance:
> ***
> [EMAIL PROTECTED]:~/tmp/tmp$ grep -i readline /bin/bash
> Segmentation fault
> ***
I can confirm this; thanks for the report. It looks like it might be
a glibc bug:
#0 0xb7eb2c1f in *__GI_memcpy (dstpp=0x8075b48, srcpp=0xbfb7ba24,
len=4294967295) at ../sysdeps/generic/memcpy.c:55
#1 0xb7ee3aab in build_wcs_upper_buffer (pstr=0xbfb7bbc8)
at regex_internal.c:424
#2 0xb7ee3ee3 in re_string_reconstruct (pstr=0xbfb7bbc8, idx=163,
eflags=<value optimized out>) at regex_internal.c:726
#3 0xb7eea1cc in re_search_internal (preg=0x8075278, string=0x807e1c5 "",
length=<value optimized out>, start=134699848, range=349, stop=349,
nmatch=1, pmatch=0x8075f78, eflags=0) at regexec.c:797
#4 0xb7eeb2af in re_search_stub (bufp=0x8075278, string=0x807e1c5 "",
length=349, start=0, range=349, stop=-1, regs=0x8075298, ret_len=0)
at regexec.c:454
#5 0xb7eeb7c3 in __re_search (bufp=0xffffffff,
string=0x8075b48 "????\204???????????", length=1073738376, start=0,
range=0, regs=0x0) at regexec.c:318
#6 0x08058666 in EGexecute ()
#7 0x0804ab02 in grepbuf ()
#8 0x0804b4b0 in grepfile ()
#9 0x0804d0b4 in main ()
Justin
