>Number: 152808
>Category: misc
>Synopsis: gdb crash on exit
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Dec 03 16:30:15 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: kenorb
>Release: 8.1-STABLE
>Organization:
>Environment:
FreeBSD kenorb 8.1-STABLE FreeBSD 8.1-STABLE #4: Mon Nov 15 14:40:15 GMT 2010
r...@kenorb:/usr/obj/usr/src/sys/BRO amd64
>Description:
(gdb) q
The program is running. Exit anyway? (y or n) c
Please answer y or n.
n
^C
^C^C^C^C
^C^CSegmentation fault (core dumped)
> gdb -c gdb.core gdb
(gdb) bt full
#0 0x0000000800e89e68 in open () from /lib/libc.so.7
No symbol table info available.
#1 0x0000000800e3e697 in vasprintf () from /lib/libc.so.7
No symbol table info available.
#2 0x000000000049aefd in xvasprintf (ret=0x7fffffffdbc8, format=0x62d20a "%s",
ap=0x7fffffffdc30)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/utils.c:1176
status = 32767
#3 0x000000000049c856 in vfprintf_maybe_filtered (stream=0x8010d8f60,
format=0x62d20a "%s", args=0x7fffffffdc30, filter=1)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/utils.c:2262
linebuffer = 0x8010d8f60 "�\221\200"
old_cleanups = (struct cleanup *) 0x800faf6e0
#4 0x000000000049c8ad in vfprintf_filtered (stream=0x8010d8f60,
format=0x62d20a "%s", args=0x7fffffffdc30)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/utils.c:2272
No locals.
#5 0x000000000049b229 in query (ctlstr=0x62d20a "%s") at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/utils.c:1292
args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area =
0x7fffffffdd20, reg_save_area = 0x7fffffffdc60}}
answer = 67
ans2 = 10
retval = 32767
#6 0x00000000004ad2d9 in quit_confirm () at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:1462
s = 0x62d488 "The program is running. Exit anyway? "
#7 0x000000000046c825 in quit_command (args=0x0, from_tty=1) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/cli/cli-cmds.c:307
No locals.
#8 0x0000000000487b20 in do_cfunc (c=0x8010d3900, args=0x0, from_tty=1) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/cli/cli-decode.c:57
No locals.
#9 0x000000000048a593 in cmd_func (cmd=0x8010d3900, args=0x0, from_tty=1) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/cli/cli-decode.c:1541
No locals.
#10 0x00000000004ac0eb in execute_command (p=0x801005081 "", from_tty=1) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:743
arg = 0x0
c = (struct cmd_list_element *) 0x8010d3900
flang = language_unknown
line = 0x801005080 "q"
warned = 0
#11 0x0000000000454f7b in command_handler (command=0x801005080 "q") at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-top.c:500
old_chain = (struct cleanup *) 0x0
stdin_is_tty = 1
arg1 = (struct continuation_arg *) 0x258000140001
arg2 = (struct continuation_arg *) 0xc939d63a4b2dc8ad
time_at_cmd_start = 67685240
space_at_cmd_start = 0
#12 0x00000000004558c7 in command_line_handler (rl=0x801075112 "q") at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-top.c:793
p = 0x801108fb1 ""
p1 = 0x801108fb0 "q"
nline = 0x7ecd80 ""
got_eof = 0 '\0'
repeat = 1
linebuffer = 0x801108fb0 "q"
linelength = 80
#13 0x0000000800a28c2f in rl_callback_read_char () from /lib/libreadline.so.8
No symbol table info available.
#14 0x0000000000454585 in rl_callback_read_char_wrapper (client_data=0x0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-top.c:166
No locals.
#15 0x0000000000454e05 in stdin_event_handler (error=0, client_data=0x0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-top.c:416
No locals.
#16 0x0000000000456931 in handle_file_event (event_file_desc=0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-loop.c:721
file_ptr = (file_handler *) 0x8010d9730
mask = 1
error_mask = 56
error_mask_returned = 0
#17 0x0000000000456067 in process_event () at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-loop.c:334
event_ptr = (gdb_event *) 0x8010b3f00
prev_ptr = (gdb_event *) 0x8010d9730
proc = (event_handler_func *) 0x4567dd <handle_file_event>
fd = 0
#18 0x00000000004560b6 in gdb_do_one_event (data=0x0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/event-loop.c:371
No locals.
#19 0x00000000004abc9c in do_catch_errors (uiout=0x80106ce00,
data=0x7fffffffe1a0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:523
args = (struct catch_errors_args *) 0x7fffffffe1a0
#20 0x00000000004aba33 in catcher (func=0x4abc73 <do_catch_errors>,
func_uiout=0x80106ce00, func_args=0x7fffffffe1a0, func_val=0x7fffffffe1bc,
func_caught=0x7fffffffe1b8, errstring=0x679f1d "", gdberrmsg=0x0, mask=6)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:430
saved_catch = (sigjmp_buf *) 0x7fffffffe2a0
catch = {{_sjb = {4897299, 6, 140737488347288, 140737488347488,
140737488349184, 140737488349160, 0, 0, 8258431, 0, 0, 140733193388033}}}
saved_cleanup_chain = (struct cleanup *) 0x0
saved_error_pre_print = 0x607e08 ""
saved_quit_pre_print = 0x607e08 ""
saved_uiout = (struct ui_out *) 0x80106ce00
caught = 0
val = 1
#21 0x00000000004abd04 in catch_errors (func=0x45607c <gdb_do_one_event>,
func_args=0x0, errstring=0x679f1d "", mask=6)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:535
val = 1
caught = 0
args = {func = 0x45607c <gdb_do_one_event>, func_args = 0x0}
#22 0x0000000000576a4b in tui_command_loop (data=0x0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/tui/tui-interp.c:150
result = 1
length = 7
a_prompt = 0x801004058 "(gdb) "
gdb_prompt = 0x801004248 "(gdb) "
#23 0x0000000000436453 in current_interp_command_loop () at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/interps.c:277
No locals.
#24 0x0000000000435045 in captured_command_loop (data=0x0) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/main.c:97
No locals.
#25 0x00000000004abc9c in do_catch_errors (uiout=0x80106ce00,
data=0x7fffffffe370) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:523
args = (struct catch_errors_args *) 0x7fffffffe370
#26 0x00000000004aba33 in catcher (func=0x4abc73 <do_catch_errors>,
func_uiout=0x80106ce00, func_args=0x7fffffffe370, func_val=0x7fffffffe38c,
func_caught=0x7fffffffe388, errstring=0x607e08 "", gdberrmsg=0x0, mask=6)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:430
saved_catch = (sigjmp_buf *) 0x7fffffffe640
catch = {{_sjb = {4897299, 140737488348064, 140737488347752,
140737488347952, 140737488349184, 140737488349160, 0, 0, 140737488290687, 0, 0,
140733193388033}}}
saved_cleanup_chain = (struct cleanup *) 0x0
saved_error_pre_print = 0x0
saved_quit_pre_print = 0x0
saved_uiout = (struct ui_out *) 0x80106ce00
caught = 0
val = -1459830401
#27 0x00000000004abd04 in catch_errors (func=0x435034 <captured_command_loop>,
func_args=0x0, errstring=0x607e08 "", mask=6)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:535
val = 0
caught = 0
args = {func = 0x435034 <captured_command_loop>, func_args = 0x0}
#28 0x0000000000435e84 in captured_main (data=0x7fffffffe770) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/main.c:805
context = (struct captured_main_args *) 0x7fffffffe770
argc = 2
argv = (char **) 0x7fffffffe7e8
count = 1
symarg = 0x7fffffffeac4 "chrome"
execarg = 0x7fffffffeac4 "chrome"
corearg = 0x0
cdarg = 0x0
ttyarg = 0x0
cmdarg = (char **) 0x801004058
cmdsize = 1
ncmd = 0
dirarg = (char **) 0x801004060
dirsize = 1
ndir = 0
homebuf = {st_dev = 0, st_ino = 0, st_mode = 0, st_nlink = 0, st_uid =
0, st_gid = 0, st_rdev = 0, st_atimespec = {tv_sec = 0, tv_nsec = 0},
st_mtimespec = {
tv_sec = 0, tv_nsec = 0}, st_ctimespec = {tv_sec = 0, tv_nsec = 0}, st_size
= 0, st_blocks = 0, st_blksize = 0, st_flags = 0, st_gen = 0, st_lspare = 0,
st_birthtimespec = {tv_sec = 0, tv_nsec = 0}}
cwdbuf = {st_dev = 0, st_ino = 0, st_mode = 0, st_nlink = 0, st_uid =
0, st_gid = 0, st_rdev = 0, st_atimespec = {tv_sec = 0, tv_nsec = 0},
st_mtimespec = {
tv_sec = 0, tv_nsec = 0}, st_ctimespec = {tv_sec = 0, tv_nsec = 0}, st_size
= 0, st_blocks = 0, st_blksize = 0, st_flags = 0, st_gen = 0, st_lspare = 0,
st_birthtimespec = {tv_sec = 0, tv_nsec = 0}}
homedir = 0x8010081a5 "/home/kenorb"
homeinit = 0x7fffffffe3a0 "/home/kenorb/.gdbinit"
i = 0
time_at_startup = 1909
quiet = 0
batch = 0
set_args = 0
print_help = 0
print_version = 0
long_options = {{name = 0x607d20 "async", has_arg = 0, flag = 0x7ae020,
val = 1}, {name = 0x607d26 "noasync", has_arg = 0, flag = 0x7ae020, val = 0}, {
name = 0x607d2e "tui", has_arg = 0, flag = 0x0, val = 14}, {name = 0x607d32
"xdb", has_arg = 0, flag = 0x7ef2d0, val = 1}, {name = 0x607d36 "dbx", has_arg
= 0,
flag = 0x7ef2d4, val = 1}, {name = 0x607d3a "readnow", has_arg = 0, flag =
0x80a1a8, val = 1}, {name = 0x607d42 "r", has_arg = 0, flag = 0x80a1a8, val =
1}, {
name = 0x607d44 "quiet", has_arg = 0, flag = 0x7ef2f0, val = 1}, {name =
0x607d4a "q", has_arg = 0, flag = 0x7ef2f0, val = 1}, {name = 0x607d4c
"silent",
has_arg = 0, flag = 0x7ef2f0, val = 1}, {name = 0x607d53 "nx", has_arg = 0,
flag = 0x7f0660, val = 1}, {name = 0x607d56 "n", has_arg = 0, flag = 0x7f0660,
val = 1},
{name = 0x607d58 "batch", has_arg = 0, flag = 0x7ef2ec, val = 1}, {name =
0x607d5e "epoch", has_arg = 0, flag = 0x809370, val = 1}, {name = 0x607d64
"fullname",
has_arg = 0, flag = 0x0, val = 102}, {name = 0x607d6d "f", has_arg = 0,
flag = 0x0, val = 102}, {name = 0x607d6f "annotate", has_arg = 1, flag = 0x0,
val = 12}, {
name = 0x607d78 "help", has_arg = 0, flag = 0x7ef2e4, val = 1}, {name =
0x607d7d "se", has_arg = 1, flag = 0x0, val = 10}, {name = 0x607d80 "symbols",
has_arg = 1,
flag = 0x0, val = 115}, {name = 0x607d88 "s", has_arg = 1, flag = 0x0, val
= 115}, {name = 0x607d8a "exec", has_arg = 1, flag = 0x0, val = 101}, {
name = 0x607d8f "e", has_arg = 1, flag = 0x0, val = 101}, {name = 0x607d91
"core", has_arg = 1, flag = 0x0, val = 99}, {name = 0x607d96 "c", has_arg = 1,
flag = 0x0, val = 99}, {name = 0x607d98 "pid", has_arg = 1, flag = 0x0, val
= 112}, {name = 0x607d9c "p", has_arg = 1, flag = 0x0, val = 112}, {
name = 0x607d9e "command", has_arg = 1, flag = 0x0, val = 120}, {name =
0x607da6 "version", has_arg = 0, flag = 0x7ef2e0, val = 1}, {name = 0x607dae
"x",
has_arg = 1, flag = 0x0, val = 120}, {name = 0x607db0 "ui", has_arg = 1,
flag = 0x0, val = 105}, {name = 0x607db3 "interpreter", has_arg = 1, flag =
0x0,
val = 105}, {name = 0x607dbf "i", has_arg = 1, flag = 0x0, val = 105},
{name = 0x607dc1 "directory", has_arg = 1, flag = 0x0, val = 100}, {name =
0x607dcb "d",
has_arg = 1, flag = 0x0, val = 100}, {name = 0x607dcd "cd", has_arg = 1,
flag = 0x0, val = 11}, {name = 0x607dd0 "tty", has_arg = 1, flag = 0x0, val =
116}, {
name = 0x607dd4 "baud", has_arg = 1, flag = 0x0, val = 98}, {name =
0x607dd9 "b", has_arg = 1, flag = 0x0, val = 98}, {name = 0x607ddb "nw",
has_arg = 0,
flag = 0x0, val = 15}, {name = 0x607dde "nowindows", has_arg = 0, flag =
0x0, val = 15}, {name = 0x607de8 "w", has_arg = 0, flag = 0x0, val = 16}, {
name = 0x607dea "windows", has_arg = 0, flag = 0x0, val = 16}, {name =
0x607df2 "statistics", has_arg = 0, flag = 0x0, val = 13}, {name = 0x607dfd
"write",
has_arg = 0, flag = 0x7ef4a8, val = 1}, {name = 0x607e03 "args", has_arg =
0, flag = 0x7ef2e8, val = 1}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
#29 0x00000000004abc9c in do_catch_errors (uiout=0x7afa80, data=0x7fffffffe710)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:523
args = (struct catch_errors_args *) 0x7fffffffe710
#30 0x00000000004aba33 in catcher (func=0x4abc73 <do_catch_errors>,
func_uiout=0x7afa80, func_args=0x7fffffffe710, func_val=0x7fffffffe72c,
func_caught=0x7fffffffe728,
errstring=0x607e08 "", gdberrmsg=0x0, mask=6) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:430
saved_catch = (sigjmp_buf *) 0x0
catch = {{_sjb = {4897299, 2, 140737488348680, 140737488348880,
140737488349184, 140737488349160, 0, 0, 8258431, 0, 0, 34359738369}}}
saved_cleanup_chain = (struct cleanup *) 0x0
saved_error_pre_print = 0x0
saved_quit_pre_print = 0x0
saved_uiout = (struct ui_out *) 0x7afa80
caught = 0
val = -6256
#31 0x00000000004abd04 in catch_errors (func=0x435077 <captured_main>,
func_args=0x7fffffffe770, errstring=0x607e08 "", mask=6)
at /usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/top.c:535
val = 0
caught = 32
args = {func = 0x435077 <captured_main>, func_args = 0x7fffffffe770}
#32 0x0000000000435ef9 in gdb_main (args=0x7fffffffe770) at
/usr/src/gnu/usr.bin/gdb/libgdb/../../../../contrib/gdb/gdb/main.c:814
#33 0x0000000000435030 in main (argc=2, argv=0x7fffffffe7e8) at
/usr/src/gnu/usr.bin/gdb/gdb/../../../../contrib/gdb/gdb/gdb.c:35
args = {argc = 2, argv = 0x7fffffffe7e8, use_windows = 0, interpreter_p
= 0x607d12 "console"}
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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