From: Christian Neukirchen <chneukirchen@gmail.com>
To: zsh-workers@zsh.org
Subject: Infinite loop in parsing <()?
Date: Wed, 24 Mar 2010 19:22:10 +0100 [thread overview]
Message-ID: <87ljdhzijx.fsf@gmail.com> (raw)
Hi,
% uname -a
Linux zorya 2.6.32-ARCH #1 SMP PREEMPT Tue Feb 23 19:43:46 CET 2010 x86_64 Genuine Intel(R) CPU U4100 @ 1.30GHz GenuineIntel GNU/Linux
% echo $ZSH_VERSION $ZSH_PATCHLEVEL
4.3.10 1.4705
% cat <(echo foo | sort)
# 100% CPU usage
^C
(gdb) bt
#0 0x00007ffff74290ae in memcpy () from /lib/libc.so.6
#1 0x000000000044f514 in realloc ()
#2 0x000000000044f7a9 in zrealloc ()
#3 0x0000000000465ec4 in ?? ()
#4 0x000000000046713a in ?? ()
#5 0x0000000000467ebe in ?? ()
#6 0x0000000000468033 in ?? ()
#7 0x00000000004680cc in ?? ()
#8 0x000000000046816b in ?? ()
#9 0x0000000000468289 in ?? ()
#10 0x0000000000469634 in parse_list ()
#11 0x00000000004252f1 in parse_string ()
#12 0x00000000004255d6 in ?? ()
#13 0x000000000042b96f in getproc ()
#14 0x0000000000477e2c in ?? ()
#15 0x000000000047c2b5 in prefork ()
#16 0x0000000000426b47 in ?? ()
#17 0x0000000000428ed6 in ?? ()
#18 0x0000000000429286 in ?? ()
#19 0x000000000042a577 in execlist ()
#20 0x000000000042a7e3 in execode ()
#21 0x000000000043ce48 in loop ()
#22 0x000000000043dc8e in zsh_main ()
#23 0x00007ffff73c7b6d in __libc_start_main () from /lib/libc.so.6
#24 0x000000000040d8a9 in _start ()
For mysterious reasons,
% cat <(echo foo)
% cat <(echo foo | uname)
% cat <(echo foo | wc)
all work fine.
--
Christian Neukirchen <chneukirchen@gmail.com> http://chneukirchen.org
next reply other threads:[~2010-03-24 18:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-24 18:22 Christian Neukirchen [this message]
2010-03-25 0:33 ` Bart Schaefer
2010-03-25 11:17 ` Christian Neukirchen
2010-03-25 13:06 ` Peter Stephenson
2010-03-25 14:21 ` Bart Schaefer
2010-03-25 15:16 ` Peter Stephenson
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