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bug#12026: 24.1.50; crash in tooltip


From: Sam Steingold
Subject: bug#12026: 24.1.50; crash in tooltip
Date: Sun, 22 Jul 2012 19:51:26 -0400

In GNU Emacs 24.1.50.3 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2012-07-22 on t520sds
Bzr revision: 109186 address@hidden
Windowing system distributor `The X.Org Foundation', version 11.0.11103000
Configured using:
 `configure '--with-wide-int''


Program received signal SIGSEGV, Segmentation fault.
0x00007ffff3f303e1 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) where
#0  0x00007ffff3f303e1 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x0000000000580ab5 in strout (ptr=0x560000000000b6db <Address 
0x560000000000b6db out of bounds>, size=-5692549928996306943, 
    size_byte=-5692549928996306943, printcharfun=11983826) at 
/home/sds/src/emacs/trunk/src/print.c:277
#2  0x0000000000582316 in print_string (string=<optimized out>, 
printcharfun=11983826) at /home/sds/src/emacs/trunk/src/print.c:410
#3  0x00000000005844b3 in print_object (obj=49942269, printcharfun=11983826, 
escapeflag=0) at /home/sds/src/emacs/trunk/src/print.c:1903
#4  0x00000000005837bc in print_object (obj=40357574, printcharfun=11983826, 
escapeflag=0) at /home/sds/src/emacs/trunk/src/print.c:1676
#5  0x0000000000585a3d in Fprin1_to_string (object=40357542, noescape=11983874) 
at /home/sds/src/emacs/trunk/src/print.c:610
#6  0x000000000055ed94 in Fformat (nargs=2, args=0x7fffffffb300) at 
/home/sds/src/emacs/trunk/src/editfns.c:3815
#7  0x000000000055f890 in Fmessage (nargs=<optimized out>, args=<optimized 
out>) at /home/sds/src/emacs/trunk/src/editfns.c:3468
#8  0x00000000005687b9 in Ffuncall (nargs=3, args=0x7fffffffb2f8) at 
/home/sds/src/emacs/trunk/src/eval.c:2777
#9  0x000000000059fd03 in exec_byte_code (bytestr=6196953087261849307, 
vector=140737488335608, maxdepth=-5692549928996306943, 
    args_template=4611686018695757824, nargs=4611686018430533632, args=0x1) at 
/home/sds/src/emacs/trunk/src/bytecode.c:898
#10 0x0000000000567c13 in eval_sub (form=<optimized out>) at 
/home/sds/src/emacs/trunk/src/eval.c:2152
#11 0x0000000000567fa5 in Fprogn (args=10373414) at 
/home/sds/src/emacs/trunk/src/eval.c:362
#12 0x000000000056a8ad in internal_lisp_condition_case (var=12035602, 
bodyform=10373118, handlers=10373382)
    at /home/sds/src/emacs/trunk/src/eval.c:1257
#13 0x00000000005a15e8 in exec_byte_code (bytestr=6196953087261849307, 
vector=140737488336456, maxdepth=-5692549928996306943, 
    args_template=4611686018695757824, nargs=4611686018430533632, args=0x1) at 
/home/sds/src/emacs/trunk/src/bytecode.c:1094
#14 0x000000000056822f in funcall_lambda (fun=10372917, nargs=<optimized out>, 
arg_vector=0x7fffffffb800)
    at /home/sds/src/emacs/trunk/src/eval.c:3028
#15 0x000000000056856b in Ffuncall (nargs=3, args=0x7fffffffb7f8) at 
/home/sds/src/emacs/trunk/src/eval.c:2857
#16 0x000000000059fd03 in exec_byte_code (bytestr=6196953087261849307, 
vector=140737488336888, maxdepth=-5692549928996306943, 
    args_template=4611686018695757824, nargs=4611686018430533632, args=0x1) at 
/home/sds/src/emacs/trunk/src/bytecode.c:898
#17 0x000000000056822f in funcall_lambda (fun=10375445, nargs=<optimized out>, 
arg_vector=0x7fffffffbaa8)
    at /home/sds/src/emacs/trunk/src/eval.c:3028
#18 0x000000000056856b in Ffuncall (nargs=2, args=0x7fffffffbaa0) at 
/home/sds/src/emacs/trunk/src/eval.c:2857
#19 0x0000000000566ffc in run_hook_with_args (nargs=2, args=0x7fffffffbaa0, 
funcall=0x568370 <Ffuncall>) at /home/sds/src/emacs/trunk/src/eval.c:2505
#20 0x00000000005687b9 in Ffuncall (nargs=3, args=0x7fffffffba98) at 
/home/sds/src/emacs/trunk/src/eval.c:2777
#21 0x000000000059fd03 in exec_byte_code (bytestr=6196953087261849307, 
vector=140737488337560, maxdepth=-5692549928996306943, 
    args_template=4611686018695757824, nargs=4611686018430533632, args=0x1) at 
/home/sds/src/emacs/trunk/src/bytecode.c:898
#22 0x000000000056822f in funcall_lambda (fun=10372557, nargs=<optimized out>, 
arg_vector=0x7fffffffbd78)
    at /home/sds/src/emacs/trunk/src/eval.c:3028
#23 0x000000000056856b in Ffuncall (nargs=2, args=0x7fffffffbd70) at 
/home/sds/src/emacs/trunk/src/eval.c:2857
#24 0x000000000056976f in Fapply (nargs=2, args=0x7fffffffbd70) at 
/home/sds/src/emacs/trunk/src/eval.c:2251
#25 0x00000000005687b9 in Ffuncall (nargs=3, args=0x7fffffffbd68) at 
/home/sds/src/emacs/trunk/src/eval.c:2777
#26 0x000000000059fd03 in exec_byte_code (bytestr=6196953087261849307, 
vector=140737488338280, maxdepth=-5692549928996306943, 
    args_template=4611686018695757824, nargs=4611686018430533632, args=0x1) at 
/home/sds/src/emacs/trunk/src/bytecode.c:898
---Type <return> to continue, or q <return> to quit---
#27 0x0000000000567c13 in eval_sub (form=<optimized out>) at 
/home/sds/src/emacs/trunk/src/eval.c:2152
#28 0x000000000056a932 in internal_lisp_condition_case (var=11983826, 
bodyform=9983270, handlers=8758398)
    at /home/sds/src/emacs/trunk/src/eval.c:1274
#29 0x00000000005a15e8 in exec_byte_code (bytestr=6196953087261849307, 
vector=140737488339128, maxdepth=-5692549928996306943, 
    args_template=4611686018695757824, nargs=4611686018430533632, args=0x1) at 
/home/sds/src/emacs/trunk/src/bytecode.c:1094
#30 0x000000000056822f in funcall_lambda (fun=9982957, nargs=<optimized out>, 
arg_vector=0x7fffffffc278) at /home/sds/src/emacs/trunk/src/eval.c:3028
#31 0x000000000056856b in Ffuncall (nargs=2, args=0x7fffffffc270) at 
/home/sds/src/emacs/trunk/src/eval.c:2857
#32 0x00000000005689ea in call1 (fn=<optimized out>, arg1=<optimized out>) at 
/home/sds/src/emacs/trunk/src/eval.c:2568
#33 0x00000000004f41d6 in timer_check_2 () at 
/home/sds/src/emacs/trunk/src/keyboard.c:4457
#34 0x00000000004f72dd in timer_check () at 
/home/sds/src/emacs/trunk/src/keyboard.c:4502
#35 0x00000000004f73f9 in readable_events (flags=<optimized out>) at 
/home/sds/src/emacs/trunk/src/keyboard.c:3398
#36 0x00000000004f9a25 in get_input_pending (flags=1, addr=0xb5c830) at 
/home/sds/src/emacs/trunk/src/keyboard.c:6725
#37 0x00000000004fc04a in detect_input_pending_run_timers (do_display=1) at 
/home/sds/src/emacs/trunk/src/keyboard.c:10358
#38 0x00000000005a7ff1 in wait_reading_process_output (time_limit=<optimized 
out>, nsecs=0, read_kbd=-1, do_display=1, wait_for_cell=11983826, 
    wait_proc=<optimized out>, just_wait_proc=0) at 
/home/sds/src/emacs/trunk/src/process.c:4721
#39 0x000000000041af74 in sit_for (timeout=<optimized out>, reading=1, 
do_display=1) at /home/sds/src/emacs/trunk/src/dispnew.c:6000
#40 0x00000000004fe1c9 in read_char (commandflag=1, nmaps=3, 
maps=0x7fffffffcc90, prev_event=11983826, used_mouse_menu=0x7fffffffce20, 
end_time=0x0)
    at /home/sds/src/emacs/trunk/src/keyboard.c:2701
#41 0x00000000004fefd5 in read_key_sequence (keybuf=0x7fffffffce80, 
prompt=11983826, dont_downcase_last=0, can_return_switch_frame=1, 
    fix_current_buffer=1, bufsize=30) at 
/home/sds/src/emacs/trunk/src/keyboard.c:9316
#42 0x0000000000500bf8 in command_loop_1 () at 
/home/sds/src/emacs/trunk/src/keyboard.c:1449
#43 0x0000000000566ac8 in internal_condition_case (bfun=0x500a30 
<command_loop_1>, handlers=12035602, hfun=0x4f5d10 <cmd_error>)
    at /home/sds/src/emacs/trunk/src/eval.c:1320
#44 0x00000000004f38ee in command_loop_2 (ignore=<optimized out>) at 
/home/sds/src/emacs/trunk/src/keyboard.c:1152
#45 0x00000000005669a8 in internal_catch (tag=<error reading variable: Cannot 
access memory at address 0x560000000000b6bb>, 
    func=0x4f38d0 <command_loop_2>, arg=11983826) at 
/home/sds/src/emacs/trunk/src/eval.c:1077
#46 0x00000000004f57d7 in command_loop () at 
/home/sds/src/emacs/trunk/src/keyboard.c:1131
#47 recursive_edit_1 () at /home/sds/src/emacs/trunk/src/keyboard.c:752
#48 0x00000000004f5b14 in Frecursive_edit () at 
/home/sds/src/emacs/trunk/src/keyboard.c:816
#49 0x000000000041004d in main (argc=1, argv=<optimized out>) at 
/home/sds/src/emacs/trunk/src/emacs.c:1677

Lisp Backtrace:
"message" (0xffffb300)
"byte-code" (0xffffb3e0)
"tooltip-show" (0xffffb800)
"tooltip-help-tips" (0xffffbaa8)
"run-hook-with-args-until-success" (0xffffbaa0)
---Type <return> to continue, or q <return> to quit---
"tooltip-timeout" (0xffffbd78)
"apply" (0xffffbd70)
"byte-code" (0xffffbe60)
"timer-event-handler" (0xffffc278)
(gdb) up
#1  0x0000000000580ab5 in strout (ptr=0x560000000000b6db <Address 
0x560000000000b6db out of bounds>, size=-5692549928996306943, 
    size_byte=-5692549928996306943, printcharfun=11983826) at 
/home/sds/src/emacs/trunk/src/print.c:277
277         size_byte = size = strlen (ptr);
(gdb) up
#2  0x0000000000582316 in print_string (string=<optimized out>, 
printcharfun=11983826) at /home/sds/src/emacs/trunk/src/print.c:410
410             strout (SSDATA (string), chars, SBYTES (string), printcharfun);
(gdb) c
Continuing.
Fatal error (11)
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff3e05727 in kill () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) c
Continuing.
ptrace: No such process.
(gdb) c
Continuing.
Cannot execute this command while the selected thread is running.
(gdb) run
Cannot access memory at address 0x8370a0
(gdb) bt full
Target is executing.
(gdb) xbacktrace 
Cannot access memory at address 0xb480b0
(gdb) 






-- 
Sam Steingold (http://sds.podval.org/) on Ubuntu 12.04 (precise) X 11.0.11103000
http://www.childpsy.net/ http://mideasttruth.com http://ffii.org
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