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bash sigabrt


From: Rajaa, Mukuntha (Nokia - IN/Bangalore)
Subject: bash sigabrt
Date: Tue, 20 Jun 2017 14:12:18 +0000

Hi,

Bash-4.4.12(1) release occasionally coredumps. This was tested on mips64 
platform. Could you please confirm, is this a known bug or should I raise a 
ticket for this ?


GNU gdb (GDB) 7.12.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "mips64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from bash...Reading symbols from /bin/bash.debug...done.
done.
[New LWP 24672]
Core was generated by `-bash'.
Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:58
58      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) t a a bt

Thread 1 (LWP 24672):
#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:58
#1  0x000000ffe8019aa0 in __GI_abort () at abort.c:118
#2  0x0000000120050220 in programming_error (format=0x120117290 "free: called 
with already freed block argument")
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/error.c:176
#3  0x00000001200f62e8 in xbotch (s=0x120117290 "free: called with already 
freed block argument",
    address@hidden 
"/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/bashline.c",
    address@hidden, e=<optimized out>, mem=0x1201424f8)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/malloc/malloc.c:319
#4  0x00000001200f63a8 in internal_free (mem=0x1201424f8,
    file=0x1200fedc8 
"/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/bashline.c",
    line=<optimized out>, flags=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/malloc/malloc.c:880
#5  0x0000000120097814 in sh_xfree (string=<optimized out>, file=<optimized 
out>, line=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/xmalloc.c:221
#6  0x0000000120089954 in command_word_completion_function (address@hidden 
"netst",
    address@hidden) at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/bashline.c:1828
#7  0x00000001200d4484 in rl_completion_matches (text=0x120153888 "netst",
    entry_function=0x120089788 <command_word_completion_function>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/complete.c:2232
#8  0x000000012008c7a0 in bash_default_completion (text=0x120153888 "netst", 
start=<optimized out>, end=<optimized out>,
    qc=<optimized out>, compflags=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/bashline.c:1698
#9  0x000000012008ce34 in attempt_shell_completion (text=0x120153888 "netst", 
start=<optimized out>, end=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/bashline.c:1630
#10 0x00000001200d45ec in gen_completion_matches (address@hidden "netst", 
address@hidden,
    end=<optimized out>, our_func=0x1200d21a0 
<rl_filename_completion_function>, found_quote=<optimized out>,
    quote_char=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/complete.c:1232
#11 0x00000001200d4810 in rl_complete_internal (what_to_do=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/complete.c:2058
#12 0x00000001200c7dcc in _rl_dispatch_subseq (key=<optimized out>, 
map=<optimized out>, got_subseq=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/readline.c:859
#13 0x00000001200c82e0 in _rl_dispatch (map=<optimized out>, key=9)
---Type <return> to continue, or q <return> to quit---
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/readline.c:802
#14 readline_internal_char ()
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/readline.c:629
#15 0x00000001200c8d78 in readline_internal_charloop ()
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/readline.c:656
#16 readline_internal ()
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/readline.c:670
#17 readline (prompt=<optimized out>)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/lib/readline/readline.c:376
#18 0x0000000120023d6c in yy_readline_get () at 
/usr/homes/chet/src/bash/src/parse.y:1456
#19 0x00000001200266e4 in yy_getc () at 
/usr/homes/chet/src/bash/src/parse.y:1390
#20 shell_getc (address@hidden) at /usr/homes/chet/src/bash/src/parse.y:2299
#21 0x000000012002a41c in read_token (command=0) at 
/usr/homes/chet/src/bash/src/parse.y:3115
#22 0x000000012002e654 in yylex () at /usr/homes/chet/src/bash/src/parse.y:2675
#23 yyparse () at y.tab.c:1834
#24 0x0000000120022ecc in parse_command ()
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/eval.c:261
#25 0x0000000120023024 in read_command ()
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/eval.c:305
#26 0x00000001200232c8 in reader_loop ()
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/eval.c:149
#27 0x0000000120021c9c in main (argc=1, argv=0xfffffbd6d8, env=0xfffffbd6e8)
    at 
/build/distro/work/shared/bash-bfb3958cf769d48678bf2b583dd69c6036c09e18/shell.c:792
(gdb) quit


Regards,
Mukunth



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