Configuration Information [Automatically generated, do not change]:
Machine: i486
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i486'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i486-pc-linux-gnu'
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL
-DHAVE_CONFIG_H -I. -I../bash -I../bash/include -I../bash/lib -g -O2
uname output: Linux digitopia.nyc.corp.google.com 2.6.18.5-gg10-mixed64-32 #1
SMP Tue May 8 22:29:42 PDT 2007 x86_64 GNU/Linux
Machine Type: i486-pc-linux-gnu
Bash Version: 3.1
Patch Level: 17
Release Status: release
Description:
Bash dumps core.
Repeat-By:
Put the following commands in a script, and run it:
#!/bin/bash
trap 'trap "kill -2 $$" 0; trap - 2' 2
pid=$$; { sleep 0.01; kill -2 $pid; } &
sleep 0.02
(This assumes you're using GNU sleep; if not, s/0.0//g and the bug will
still exhibit itself, just a couple of seconds slower.)
The resulting output from this script is
trap_handler: bad signal 2
Aborting...Aborted (core dumped)
and examining the core gives the following stack trace
(gdb) where
#0 0xffffe410 in __kernel_vsyscall ()
#1 0x463ad9a1 in raise () from /lib/tls/i686/cmov/libc.so.6
#2 0x463af2b9 in abort () from /lib/tls/i686/cmov/libc.so.6
#3 0x08075897 in programming_error ()
#4 0x0808ac23 in trap_handler ()
#5 <signal handler called>
#6 0xffffe410 in __kernel_vsyscall ()
#7 0x463addf6 in kill () from /lib/tls/i686/cmov/libc.so.6
#8 0x08079756 in kill_pid ()
#9 0x080a460b in kill_builtin ()
#10 0x0806b3ac in dispose_exec_redirects ()
#11 0x0806e810 in execute_shell_function ()
#12 0x0806c96b in execute_command_internal ()
#13 0x080a170d in parse_and_execute ()
#14 0x0808a6b2 in run_exit_trap ()
#15 0x0805becf in exit_shell ()
#16 0x0805e34e in main ()
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