On Sat, Feb 04, 2017 at 02:07:17PM -0600, Jason Crain wrote:
> This looks like a problem in bash.
I've recently come across this bug myself. There seem to be two
elements necessary to trigger it, at least in my case:
- A long current directory pathname, including at least one non-ASCII
character (and $LANG set appropriately)
- The presence of "\w" in $PS1, both by itself and within a Set Text
Parameters terminal control sequence (which seems to be the default
for Debian)
(The latter probably implies an X terminal; I wasn't able to trigger
this bug in a virtual terminal. For the record, I've had success
triggering it with both xterm and xfce4-terminal, while the original
submitter used gnome-terminal.)
Steps to reproduce (adjust $LANG if need be):
$ export PS1='\[\e]0;\w\a\]\w\$ '
$ export LANG="en_US.UTF-8"
$ mkdir -p là/`perl -e 'print "X" x 255'`
$ cd là/X*
Segmentation fault (core dumped)
After playing with gdb a little bit, it seems the problem occurs within
the while() at lib/readline/display.c:763. At some point, num and n0
get stuck to the same value, _rl_col_width() at line 828 therefore
returns 0, and lpos is decreased by a *negative* value. The loop has
now become infinite, and newlines will eventually grow beyond the
allocated size for inv_lbreaks[].
I'm attaching the full backtrace with -O0, in case this helps.
This bug was introduced in version 4.4. That's as far as I can bisect,
given how git.savannah.gnu.org is basically a glorified tarball
directory. (If there's a VCS out there with the actual development
history, please let me know.)
> To crash, it requires the terminal width to be narrow, under 80 columns
Thanks, I hadn't thought of playing with the terminal size. As one
would expect, this basically influences the prompt length at which the
segfault will occur. (Which means it is also possible to crash bash by
shrinking the terminal.)
#0 0x00000000004dbc24 in rl_redisplay ()
at ../../.././lib/readline/display.c:823
z = -87
p = 375
nocorrect = 1
wadjust = 294
in = 0
out = 584
c = -7056
linenum = 7798792
cursor_linenum = -7056
line = 0x770008 "\033]0;fbriere@fabul: ~/.noraid/term/là/", 'X'
<repeats 162 times>...
inv_botlin = 0
lb_botlin = -11680
lb_linenum = 0
o_cpos = 32767
newlines = 544254
lpos = 160010089
temp = 584
n0 = 584
num = 584
prompt_lines_estimate = 3
prompt_this_line = 0x7ffff79a2440 <_IO_file_jumps> ""
mb_cur_max = 6
wc = 0 L'\000'
wc_bytes = 140737344126988
wc_width = 0
ps = {__count = -11680, __value = {__wch = 32767,
__wchb = "\377\177\000"}}
_rl_wrapped_multicolumn = 0
#1 0x00000000004c7094 in readline_internal_setup ()
at ../../.././lib/readline/readline.c:443
nprompt = 0x0
#2 0x00000000004c7527 in readline_internal ()
at ../../.././lib/readline/readline.c:669
eof = -1783117205
#3 0x00000000004c6f5a in readline (prompt=0x97f808 "H\002")
at ../../.././lib/readline/readline.c:376
value = 0x95b7ca6b1a8e6f00 <error: Cannot access memory at address
0x95b7ca6b1a8e6f00>
#4 0x000000000042614e in yy_readline_get ()
at /usr/homes/chet/src/bash/src/parse.y:1456
old_sigint = 0x477de2 <sigint_sighandler>
line_len = 0
c = 0 '\000'
#5 0x0000000000426263 in yy_readline_get ()
at /usr/homes/chet/src/bash/src/parse.y:1487
old_sigint = 0x0
line_len = 0
c = 0 '\000'
#6 0x0000000000426099 in yy_getc ()
at /usr/homes/chet/src/bash/src/parse.y:1390
No locals.
#7 0x0000000000426f8a in shell_getc (remove_quoted_newline=1)
at /usr/homes/chet/src/bash/src/parse.y:2299
i = 0
c = 5198552
truncating = 0
last_was_backslash = 0
uc = 0 '\000'
#8 0x00000000004284ee in read_token (command=0)
at /usr/homes/chet/src/bash/src/parse.y:3115
character = 0
peek_char = 9959432
result = 0
#9 0x0000000000427a87 in yylex () at /usr/homes/chet/src/bash/src/parse.y:2675
No locals.
#10 0x0000000000422bf5 in yyparse () at y.tab.c:1834
yystate = 0
yyerrstatus = 0
yyssa = {0, 51, 123, 0, 28424, 116, 0, 0, -11104, -1, 32767, 0, 25581,
73, 0, 0, 1032, 116, 0, 0, 28416, 6798, 2809, 0, 26091, 79, 0, 0,
28424, 116, 0, 0, -16617, 117, 0, 0, 27880, 117, 0, 0, -11024, -1,
32767, 0, 2659, 71, 0, 0, 30328, 79, 0, 0, 2184, 118, 0, 0, 1032,
116, 0, 0, -16632, 117, 0, 0, 13906, -28374, 594, 0, 28360, 116, 0,
0, -10976, -1, 32767, 0, 20353, 68, 0, 0, 1032, 116, 0, 0, -16632,
117, 0, 0, -10944, -1, 32767, 0, 28360, 116, 0, 0, -10928, -1,
32767, 0, 20456, 68, 0, 0, 14600, 116, 0, 0, -16632, 117, 0, 0,
14600, 116, 0, 0, 1, 0, 2670, 0, 26091, 79, 0, 0, 16, 0, 0, 0, 0, 0,
0, 0, 32, 0, 0, 0, 16, 0, 32767, 0, 28416, 6798, -13717, -27209,
28296, 116, 0, 0, -4088, 117, 0, 0, -2864, 65, 0, 0, -7056, -1,
32767, 0, -10800, -1, 32767, 0, 13059, 79, 0, 0, 28296, 116, 0, 0,
28296, 116, 2670, 0, 26091, 79, 0, 0, 16, 0, 0, 0, -10736, -1,
32767, 0, 1, 0, 2809, 0, 26091, 79, 0, 0, 25576, 117, 0, 0}
yyss = 0x7fffffffd460
yyssp = 0x7fffffffd460
yyvsa = {{word = 0x4f65eb, number = 5203435, word_list = 0x4f65eb,
command = 0x4f65eb, redirect = 0x4f65eb, element = {
word = 0x4f65eb, redirect = 0x5}, pattern = 0x4f65eb}, {
word = 0x755808, number = 7690248, word_list = 0x755808,
command = 0x755808, redirect = 0x755808, element = {
word = 0x755808, redirect = 0x0}, pattern = 0x755808}, {
word = 0x77d5e8, number = 7853544, word_list = 0x77d5e8,
command = 0x77d5e8, redirect = 0x77d5e8, element = {
word = 0x77d5e8, redirect = 0x0}, pattern = 0x77d5e8}, {
word = 0x7fffffffe470, number = -7056, word_list = 0x7fffffffe470,
command = 0x7fffffffe470, redirect = 0x7fffffffe470, element = {
word = 0x7fffffffe470, redirect = 0x11c00000001},
pattern = 0x7fffffffe470}, {word = 0x4f81d8, number = 5210584,
word_list = 0x4f81d8, command = 0x4f81d8, redirect = 0x4f81d8,
element = {word = 0x4f81d8, redirect = 0x760848},
pattern = 0x4f81d8}, {word = 0x740408, number = 7603208,
word_list = 0x740408, command = 0x740408, redirect = 0x740408,
element = {word = 0x740408, redirect = 0x0}, pattern = 0x740408}, {
word = 0x20, number = 32, word_list = 0x20, command = 0x20,
redirect = 0x20, element = {word = 0x20,
redirect = 0x95b7ca6b1a8e6f00}, pattern = 0x20}, {
word = 0x75f008, number = 7729160, word_list = 0x75f008,
command = 0x75f008, redirect = 0x75f008, element = {
word = 0x75f008, redirect = 0x41f4d0 <_start>},
pattern = 0x75f008}, {word = 0x7fffffffe470, number = -7056,
word_list = 0x7fffffffe470, command = 0x7fffffffe470,
redirect = 0x7fffffffe470, element = {word = 0x7fffffffe470,
redirect = 0x0}, pattern = 0x7fffffffe470}, {
word = 0x7fffffffd6b0, number = -10576,
word_list = 0x7fffffffd6b0, command = 0x7fffffffd6b0,
redirect = 0x7fffffffd6b0, element = {word = 0x7fffffffd6b0,
redirect = 0x4f3366 <sh_free+43>}, pattern = 0x7fffffffd6b0}, {
word = 0x75f008, number = 7729160, word_list = 0x75f008,
command = 0x75f008, redirect = 0x75f008, element = {
word = 0x75f008, redirect = 0x11c00000001}, pattern = 0x75f008},
{word = 0x4f81d8, number = 5210584, word_list = 0x4f81d8,
command = 0x4f81d8, redirect = 0x4f81d8, element = {
word = 0x4f81d8, redirect = 0x760848}, pattern = 0x4f81d8}, {
word = 0x7fffffffd6e0, number = -10528,
word_list = 0x7fffffffd6e0, command = 0x7fffffffd6e0,
redirect = 0x7fffffffd6e0, element = {word = 0x7fffffffd6e0,
redirect = 0x4963ed <sh_xfree+48>}, pattern = 0x7fffffffd6e0}, {
word = 0x10, number = 16, word_list = 0x10, command = 0x10,
redirect = 0x10, element = {word = 0x10,
redirect = 0x11c1a8e6f00}, pattern = 0x10}, {word = 0x4f81d8,
number = 5210584, word_list = 0x4f81d8, command = 0x4f81d8,
redirect = 0x4f81d8, element = {word = 0x4f81d8,
redirect = 0x760848}, pattern = 0x4f81d8}, {
word = 0x7fffffffd730, number = -10448,
word_list = 0x7fffffffd730, command = 0x7fffffffd730,
redirect = 0x7fffffffd730, element = {word = 0x7fffffffd730,
redirect = 0x475bf5 <unwind_frame_discard_internal+394>},
pattern = 0x7fffffffd730}, {word = 0x0, number = 0,
word_list = 0x0, command = 0x0, redirect = 0x0, element = {
word = 0x0, redirect = 0x4f6396}, pattern = 0x0}, {
word = 0x1004f6018, number = 5201944, word_list = 0x1004f6018,
command = 0x1004f6018, redirect = 0x1004f6018, element = {
word = 0x1004f6018, redirect = 0x55800000001},
pattern = 0x1004f6018}, {word = 0x4f52d8, number = 5198552,
word_list = 0x4f52d8, command = 0x4f52d8, redirect = 0x4f52d8,
element = {word = 0x4f52d8, redirect = 0x16}, pattern = 0x4f52d8},
{word = 0x6, number = 6, word_list = 0x6, command = 0x6,
redirect = 0x6, element = {word = 0x6, redirect = 0x28},
pattern = 0x6}, {word = 0x7fff00000016, number = 22,
word_list = 0x7fff00000016, command = 0x7fff00000016,
redirect = 0x7fff00000016, element = {word = 0x7fff00000016,
redirect = 0x95b7ca6b1a8e6f00}, pattern = 0x7fff00000016}, {
word = 0x18, number = 24, word_list = 0x18, command = 0x18,
redirect = 0x18, element = {word = 0x18,
redirect = 0x4f2d01 <internal_free+831>}, pattern = 0x18}, {
word = 0x41f4d0 <_start>, number = 4322512,
word_list = 0x41f4d0 <_start>, command = 0x41f4d0 <_start>,
redirect = 0x41f4d0 <_start>, element = {word = 0x41f4d0 <_start>,
redirect = 0x5f00000001}, pattern = 0x41f4d0 <_start>}, {
word = 0x509068, number = 5279848, word_list = 0x509068,
command = 0x509068, redirect = 0x509068, element = {
word = 0x509068, redirect = 0x4f2d01 <internal_free+831>},
pattern = 0x509068}, {word = 0x7fffffffd7a0, number = -10336,
word_list = 0x7fffffffd7a0, command = 0x7fffffffd7a0,
redirect = 0x7fffffffd7a0, element = {word = 0x7fffffffd7a0,
redirect = 0x14300000001}, pattern = 0x7fffffffd7a0}, {
word = 0x4f81d8, number = 5210584, word_list = 0x4f81d8,
command = 0x4f81d8, redirect = 0x4f81d8, element = {
word = 0x4f81d8, redirect = 0x756408}, pattern = 0x4f81d8}, {
word = 0x756a88, number = 7694984, word_list = 0x756a88,
command = 0x756a88, redirect = 0x756a88, element = {
word = 0x756a88, redirect = 0x0}, pattern = 0x756a88}, {
word = 0x7fff00000020, number = 32, word_list = 0x7fff00000020,
command = 0x7fff00000020, redirect = 0x7fff00000020, element = {
word = 0x7fff00000020, redirect = 0x95b7ca6b1a8e6f00},
pattern = 0x7fff00000020}, {word = 0x4f68e1, number = 5204193,
word_list = 0x4f68e1, command = 0x4f68e1, redirect = 0x4f68e1,
element = {word = 0x4f68e1, redirect = 0x756a88},
pattern = 0x4f68e1}, {word = 0x7fffffffd800, number = -10240,
word_list = 0x7fffffffd800, command = 0x7fffffffd800,
redirect = 0x7fffffffd800, element = {word = 0x7fffffffd800,
redirect = 0x470a63 <hash_search+200>},
pattern = 0x7fffffffd800}, {word = 0x4f645f, number = 5203039,
word_list = 0x4f645f, command = 0x4f645f, redirect = 0x4f645f,
element = {word = 0x4f645f, redirect = 0x756a88},
pattern = 0x4f645f}, {word = 0x7fffffffd820, number = -10208,
word_list = 0x7fffffffd820, command = 0x7fffffffd820,
redirect = 0x7fffffffd820, element = {word = 0x7fffffffd820,
redirect = 0x470a63 <hash_search+200>},
pattern = 0x7fffffffd820}, {word = 0x27238277672,
number = 942110322, word_list = 0x27238277672,
command = 0x27238277672, redirect = 0x27238277672, element = {
word = 0x27238277672, redirect = 0x1}, pattern = 0x27238277672},
{word = 0x740408, number = 7603208, word_list = 0x740408,
command = 0x740408, redirect = 0x740408, element = {
word = 0x740408, redirect = 0x4f6457}, pattern = 0x740408}, {
word = 0x3f73bdc53f7, number = 1004295159,
word_list = 0x3f73bdc53f7, command = 0x3f73bdc53f7,
redirect = 0x3f73bdc53f7, element = {word = 0x3f73bdc53f7,
redirect = 0x25f00000001}, pattern = 0x3f73bdc53f7}, {
word = 0x4f8994, number = 5212564, word_list = 0x4f8994,
command = 0x4f8994, redirect = 0x4f8994, element = {
word = 0x4f8994, redirect = 0x4f2d01 <internal_free+831>},
pattern = 0x4f8994}, {word = 0x740408, number = 7603208,
word_list = 0x740408, command = 0x740408, redirect = 0x740408,
element = {word = 0x740408, redirect = 0x11e900000001},
pattern = 0x740408}, {word = 0x4f6130, number = 5202224,
word_list = 0x4f6130, command = 0x4f6130, redirect = 0x4f6130,
element = {word = 0x4f6130, redirect = 0x7577c8},
pattern = 0x4f6130}, {word = 0x756a88, number = 7694984,
word_list = 0x756a88, command = 0x756a88, redirect = 0x756a88,
element = {word = 0x756a88,
redirect = 0x4f2d01 <internal_free+831>}, pattern = 0x756a88}, {
word = 0x7fff00000030, number = 48, word_list = 0x7fff00000030,
command = 0x7fff00000030, redirect = 0x7fff00000030, element = {
word = 0x7fff00000030, redirect = 0x14300000001},
pattern = 0x7fff00000030}, {word = 0x4f81d8, number = 5210584,
word_list = 0x4f81d8, command = 0x4f81d8, redirect = 0x4f81d8,
element = {word = 0x4f81d8, redirect = 0x756188},
pattern = 0x4f81d8}, {word = 0x7fffffffe470, number = -7056,
word_list = 0x7fffffffe470, command = 0x7fffffffe470,
redirect = 0x7fffffffe470, element = {word = 0x7fffffffe470,
redirect = 0x0}, pattern = 0x7fffffffe470}, {
word = 0x7fff00000020, number = 32, word_list = 0x7fff00000020,
command = 0x7fff00000020, redirect = 0x7fff00000020, element = {
word = 0x7fff00000020,
redirect = 0x7ffff767fe24 <_IO_new_file_xsputn+84>},
pattern = 0x7fff00000020}, {
word = 0x7ffff79a6520 <_IO_2_1_stderr_>, number = -140876512,
word_list = 0x7ffff79a6520 <_IO_2_1_stderr_>,
command = 0x7ffff79a6520 <_IO_2_1_stderr_>,
redirect = 0x7ffff79a6520 <_IO_2_1_stderr_>, element = {
word = 0x7ffff79a6520 <_IO_2_1_stderr_>,
redirect = 0x7fffffffde30},
pattern = 0x7ffff79a6520 <_IO_2_1_stderr_>}, {word = 0x508900,
number = 5277952, word_list = 0x508900, command = 0x508900,
redirect = 0x508900, element = {word = 0x508900,
redirect = 0x7fffffffde48}, pattern = 0x508900}, {word = 0x0,
number = 0, word_list = 0x0, command = 0x0, redirect = 0x0,
element = {word = 0x0,
redirect = 0x7ffff76544a9 <_IO_vfprintf_internal+1929>},
pattern = 0x0}, {word = 0x7fffffffd8f0, number = -10000,
word_list = 0x7fffffffd8f0, command = 0x7fffffffd8f0,
redirect = 0x7fffffffd8f0, element = {word = 0x7fffffffd8f0,
redirect = 0x1430047c4cf}, pattern = 0x7fffffffd8f0}, {
word = 0x4f81d8, number = 5210584, word_list = 0x4f81d8,
command = 0x4f81d8, redirect = 0x4f81d8, element = {
word = 0x4f81d8, redirect = 0x756188}, pattern = 0x4f81d8}, {
word = 0x7fffffffd998, number = -9832, word_list = 0x7fffffffd998,
command = 0x7fffffffd998, redirect = 0x7fffffffd998, element = {
word = 0x7fffffffd998, redirect = 0x4963ed <sh_xfree+48>},
pattern = 0x7fffffffd998}, {word = 0x7fffffffd9c0, number = -9792,
word_list = 0x7fffffffd9c0, command = 0x7fffffffd9c0,
redirect = 0x7fffffffd9c0, element = {word = 0x7fffffffd9c0,
redirect = 0x475d7f <restore_variable+48>},
pattern = 0x7fffffffd9c0}, {word = 0x0, number = 0,
word_list = 0x0, command = 0x0, redirect = 0x0, element = {
word = 0x0, redirect = 0x0}, pattern = 0x0}, {
word = 0x7fff00000000, number = 0, word_list = 0x7fff00000000,
command = 0x7fff00000000, redirect = 0x7fff00000000, element = {
word = 0x7fff00000000, redirect = 0xffffffffffffffff},
pattern = 0x7fff00000000}, {word = 0x0, number = 0,
word_list = 0x0, command = 0x0, redirect = 0x0, element = {
word = 0x0, redirect = 0x0}, pattern = 0x0}, {word = 0x750048,
number = 7667784, word_list = 0x750048, command = 0x750048,
redirect = 0x750048, element = {word = 0x750048,
redirect = 0x7fff00000000}, pattern = 0x750048}, {
word = 0x7fff00000000, number = 0, word_list = 0x7fff00000000,
command = 0x7fff00000000, redirect = 0x7fff00000000, element = {
word = 0x7fff00000000, redirect = 0x2},
pattern = 0x7fff00000000}, {word = 0x7fffffffda10, number = -9712,
word_list = 0x7fffffffda10, command = 0x7fffffffda10,
redirect = 0x7fffffffda10, element = {word = 0x7fffffffda10,
redirect = 0x0}, pattern = 0x7fffffffda10}, {word = 0xd68,
number = 3432, word_list = 0xd68, command = 0xd68,
redirect = 0xd68, element = {word = 0xd68,
redirect = 0x7fff00000002}, pattern = 0xd68}, {word = 0x508900,
number = 5277952, word_list = 0x508900, command = 0x508900,
redirect = 0x508900, element = {word = 0x508900, redirect = 0x1},
pattern = 0x508900}, {word = 0x7fffffffdea8, number = -8536,
word_list = 0x7fffffffdea8, command = 0x7fffffffdea8,
redirect = 0x7fffffffdea8, element = {word = 0x7fffffffdea8,
redirect = 0x508904}, pattern = 0x7fffffffdea8}, {
word = 0x7fffffffda48, number = -9656, word_list = 0x7fffffffda48,
command = 0x7fffffffda48, redirect = 0x7fffffffda48, element = {
word = 0x7fffffffda48,
redirect = 0x7ffff767fe24 <_IO_new_file_xsputn+84>},
pattern = 0x7fffffffda48}, {
word = 0x7ffff79a6520 <_IO_2_1_stderr_>, number = -140876512,
word_list = 0x7ffff79a6520 <_IO_2_1_stderr_>,
command = 0x7ffff79a6520 <_IO_2_1_stderr_>,
redirect = 0x7ffff79a6520 <_IO_2_1_stderr_>, element = {
word = 0x7ffff79a6520 <_IO_2_1_stderr_>,
redirect = 0x7fffffffdf40},
pattern = 0x7ffff79a6520 <_IO_2_1_stderr_>}, {word = 0x50886f,
number = 5277807, word_list = 0x50886f, command = 0x50886f,
redirect = 0x50886f, element = {word = 0x50886f,
redirect = 0x7fffffffdf60}, pattern = 0x50886f}, {word = 0x0,
number = 0, word_list = 0x0, command = 0x0, redirect = 0x0,
element = {word = 0x0,
redirect = 0x7ffff7653e26 <_IO_vfprintf_internal+262>},
pattern = 0x0}, {word = 0x7fffffffdf20, number = -8416,
word_list = 0x7fffffffdf20, command = 0x7fffffffdf20,
redirect = 0x7fffffffdf20, element = {word = 0x7fffffffdf20,
redirect = 0x7fffffffde60}, pattern = 0x7fffffffdf20}, {
word = 0x7ffff7671e30 <__funlockfile>, number = -144237008,
word_list = 0x7ffff7671e30 <__funlockfile>,
command = 0x7ffff7671e30 <__funlockfile>,
redirect = 0x7ffff7671e30 <__funlockfile>, element = {
word = 0x7ffff7671e30 <__funlockfile>,
redirect = 0x7ffff79a6520 <_IO_2_1_stderr_>},
pattern = 0x7ffff7671e30 <__funlockfile>}, {word = 0x7fff0000000a,
number = 10, word_list = 0x7fff0000000a, command = 0x7fff0000000a,
redirect = 0x7fff0000000a, element = {word = 0x7fff0000000a,
redirect = 0x7fff00000001}, pattern = 0x7fff0000000a}, {
word = 0x7fffffffdac0, number = -9536, word_list = 0x7fffffffdac0,
command = 0x7fffffffdac0, redirect = 0x7fffffffdac0, element = {
word = 0x7fffffffdac0, redirect = 0x0},
pattern = 0x7fffffffdac0}, {word = 0xd68, number = 3432,
word_list = 0xd68, command = 0xd68, redirect = 0xd68, element = {
word = 0xd68, redirect = 0xb}, pattern = 0xd68}, {
word = 0x50e59d, number = 5301661, word_list = 0x50e59d,
command = 0x50e59d, redirect = 0x50e59d, element = {
word = 0x50e59d, redirect = 0x1}, pattern = 0x50e59d}, {
word = 0x7fffffffdb60, number = -9376, word_list = 0x7fffffffdb60,
command = 0x7fffffffdb60, redirect = 0x7fffffffdb60, element = {
word = 0x7fffffffdb60, redirect = 0x50e5a0},
pattern = 0x7fffffffdb60}, {word = 0x7fffffffda84, number = -9596,
word_list = 0x7fffffffda84, command = 0x7fffffffda84,
redirect = 0x7fffffffda84, element = {word = 0x7fffffffda84,
redirect = 0x7fffffffdb50}, pattern = 0x7fffffffda84}, {
word = 0x7fffffffdce0, number = -8992, word_list = 0x7fffffffdce0,
command = 0x7fffffffdce0, redirect = 0x7fffffffdce0, element = {
word = 0x7fffffffdce0, redirect = 0x0},
pattern = 0x7fffffffdce0}, {word = 0x0, number = 0,
word_list = 0x0, command = 0x0, redirect = 0x0, element = {
word = 0x0, redirect = 0x0}, pattern = 0x0}, {
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command = 0x0, redirect = 0x0, element = {word = 0x0,
redirect = 0x0}, pattern = 0x0}, {
word = 0x477de2 <sigint_sighandler>, number = 4685282,
word_list = 0x477de2 <sigint_sighandler>,
command = 0x477de2 <sigint_sighandler>,
redirect = 0x477de2 <sigint_sighandler>, element = {
word = 0x477de2 <sigint_sighandler>, redirect = 0x4000000},
pattern = 0x477de2 <sigint_sighandler>}, {
word = 0x7ffff7640040 <__restore_rt>, number = -144441280,
word_list = 0x7ffff7640040 <__restore_rt>,
command = 0x7ffff7640040 <__restore_rt>,
redirect = 0x7ffff7640040 <__restore_rt>, element = {
word = 0x7ffff7640040 <__restore_rt>, redirect = 0x0},
pattern = 0x7ffff7640040 <__restore_rt>}, {word = 0x7fffffffe140,
number = -7872, word_list = 0x7fffffffe140,
command = 0x7fffffffe140, redirect = 0x7fffffffe140, element = {
word = 0x7fffffffe140,
redirect = 0x475632 <without_interrupts+64>},
pattern = 0x7fffffffe140}, {word = 0x9404d8, number = 9700568,
word_list = 0x9404d8, command = 0x9404d8, redirect = 0x9404d8,
element = {word = 0x9404d8, redirect = 0x0}, pattern = 0x9404d8}, {
word = 0x4f6396, number = 5202838, word_list = 0x4f6396,
command = 0x4f6396, redirect = 0x4f6396, element = {
word = 0x4f6396,
redirect = 0x475a6b <unwind_frame_discard_internal>},
pattern = 0x4f6396}, {word = 0x7fffffffe160, number = -7840,
word_list = 0x7fffffffe160, command = 0x7fffffffe160,
redirect = 0x7fffffffe160, element = {word = 0x7fffffffe160,
redirect = 0x0}, pattern = 0x7fffffffe160}, {word = 0x4f3cb1,
number = 5192881, word_list = 0x4f3cb1, command = 0x4f3cb1,
redirect = 0x4f3cb1, element = {word = 0x4f3cb1, redirect = 0x0},
pattern = 0x4f3cb1}, {word = 0x7fffffffe190, number = -7792,
word_list = 0x7fffffffe190, command = 0x7fffffffe190,
redirect = 0x7fffffffe190, element = {word = 0x7fffffffe190,
redirect = 0x4709e7 <hash_search+76>},
pattern = 0x7fffffffe190}, {word = 0x7fffffffe210, number = -7664,
word_list = 0x7fffffffe210, command = 0x7fffffffe210,
redirect = 0x7fffffffe210, element = {word = 0x7fffffffe210,
redirect = 0x1}, pattern = 0x7fffffffe210}, {word = 0x740408,
number = 7603208, word_list = 0x740408, command = 0x740408,
redirect = 0x740408, element = {word = 0x740408,
redirect = 0x4f3ca3}, pattern = 0x740408}, {
word = 0x338a3b0ef38, number = -1548685512,
word_list = 0x338a3b0ef38, command = 0x338a3b0ef38,
redirect = 0x338a3b0ef38, element = {word = 0x338a3b0ef38,
redirect = 0x0}, pattern = 0x338a3b0ef38}, {
word = 0x7fffffffe1c0, number = -7744, word_list = 0x7fffffffe1c0,
command = 0x7fffffffe1c0, redirect = 0x7fffffffe1c0, element = {
word = 0x7fffffffe1c0, redirect = 0x444f81 <hash_lookup+40>},
pattern = 0x7fffffffe1c0}, {word = 0x740408, number = 7603208,
word_list = 0x740408, command = 0x740408, redirect = 0x740408,
element = {word = 0x740408, redirect = 0x4f3ca3},
pattern = 0x740408}, {word = 0x0, number = 0, word_list = 0x0,
command = 0x0, redirect = 0x0, element = {word = 0x0,
redirect = 0x0}, pattern = 0x0}, {word = 0x7fffffffe1f0,
number = -7696, word_list = 0x7fffffffe1f0,
command = 0x7fffffffe1f0, redirect = 0x7fffffffe1f0, element = {
word = 0x7fffffffe1f0, redirect = 0x444fe8 <var_lookup+57>},
pattern = 0x7fffffffe1f0}, {word = 0x743908, number = 7616776,
word_list = 0x743908, command = 0x743908, redirect = 0x743908,
element = {word = 0x743908, redirect = 0x4f3ca3},
pattern = 0x743908}, {word = 0x0, number = 0, word_list = 0x0,
command = 0x0, redirect = 0x0, element = {word = 0x0,
redirect = 0x0}, pattern = 0x0}, {word = 0x7fffffffe230,
number = -7632, word_list = 0x7fffffffe230,
command = 0x7fffffffe230, redirect = 0x7fffffffe230, element = {
word = 0x7fffffffe230,
redirect = 0x4450af <find_variable_internal+160>},
pattern = 0x7fffffffe230}, {word = 0x0, number = 0,
word_list = 0x0, command = 0x0, redirect = 0x0, element = {
word = 0x0, redirect = 0x4f3ca3}, pattern = 0x0}, {
word = 0x7fffffffe240, number = -7616, word_list = 0x7fffffffe240,
command = 0x7fffffffe240, redirect = 0x7fffffffe240, element = {
word = 0x7fffffffe240, redirect = 0x0},
pattern = 0x7fffffffe240}, {word = 0x0, number = 0,
word_list = 0x0, command = 0x0, redirect = 0x0, element = {
word = 0x0, redirect = 0x4f3cb2}, pattern = 0x0}, {
word = 0x7fffffffe260, number = -7584, word_list = 0x7fffffffe260,
command = 0x7fffffffe260, redirect = 0x7fffffffe260, element = {
word = 0x7fffffffe260, redirect = 0x445a20 <find_variable+81>},
pattern = 0x7fffffffe260}, {word = 0x7fffffffe280, number = -7552,
word_list = 0x7fffffffe280, command = 0x7fffffffe280,
redirect = 0x7fffffffe280, element = {word = 0x7fffffffe280,
redirect = 0x4f3ca3}, pattern = 0x7fffffffe280}, {
word = 0xffffe140, number = -7872, word_list = 0xffffe140,
command = 0xffffe140, redirect = 0xffffe140, element = {
word = 0xffffe140, redirect = 0x0}, pattern = 0xffffe140}, {
word = 0x7fffffffe290, number = -7536, word_list = 0x7fffffffe290,
command = 0x7fffffffe290, redirect = 0x7fffffffe290, element = {
word = 0x7fffffffe290,
redirect = 0x445c75 <get_string_value+24>},
pattern = 0x7fffffffe290}}
yyvs = 0x7fffffffd5f0
yyvsp = 0x7fffffffd5f0
yystacksize = 200
yyn = 308
yyresult = 0
yytoken = 0
yyval = {word = 0x755808, number = 7690248, word_list = 0x755808,
command = 0x755808, redirect = 0x755808, element = {word = 0x755808,
redirect = 0x0}, pattern = 0x755808}
yylen = 0
#11 0x00000000004227a8 in parse_command () at .././eval.c:261
r = 0
command_to_execute = 0x0
#12 0x000000000042288e in read_command () at .././eval.c:305
tmout_var = 0x0
tmout_len = 0
result = 0
old_alrm = 0x0
#13 0x00000000004224be in reader_loop () at .././eval.c:149
code = 0
our_indirection_level = 1
current_command = 0x0
#14 0x000000000041ff2f in main (argc=1, argv=0x7fffffffe478,
env=0x7fffffffe488) at .././shell.c:792
i = 0
code = 0
old_errexit_flag = 0
saverst = 0
locally_skip_execution = 0
arg_index = 1
top_level_arg_index = 1
