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Subject: |
24.2.93; Program received signal EXC_BAD_ACCESS, Could not access memory. |
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Date: |
Sun, 24 Feb 2013 10:43:29 +0800 |
I was again annoyed by a post-command-hook error so I have:
(setq debug-on-message "Error in post-command-hook")
Interestingly I experienced crashes.
Here is the log:
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: 13 at address: 0x0000000000000000
0x00000001001bf877 in re_search_2 (bufp=0x100709a28, str1=0x0, size1=0,
str2=0xe600000001018030 <Address 0xe600000001018030 out of bounds>,
size2=4179340454216613157, startpos=0, range=4179340454216613157, regs=0x0,
stop=4179340454216613157) at regex.c:4413
4413 buf_ch = STRING_CHAR_AND_LENGTH (d,
buf_charlen);
(gdb) bt
#0 0x00000001001bf877 in re_search_2 (bufp=0x100709a28, str1=0x0, size1=0,
str2=0xe600000001018030 <Address 0xe600000001018030 out of bounds>,
size2=4179340454216613157, startpos=0, range=4179340454216613157, regs=0x0,
stop=4179340454216613157) at regex.c:4413
#1 0x00000001001be6d3 in re_search (bufp=0x100709a28,
string=0xe600000001018030 <Address 0xe600000001018030 out of bounds>,
size=4179340454216613157, startpos=0, range=4179340454216613157, regs=0x0) at
regex.c:4239
#2 0x00000001001a5a4b in fast_string_match (regexp=4465094529,
string=4320145466) at search.c:480
#3 0x0000000100047451 in set_message (s=0x1003792eb "Auto-saving...",
string=4320145466, nbytes=14, multibyte_p=0) at xdisp.c:10650
#4 0x000000010004426a in message2_nolog (m=0x1003792eb "Auto-saving...",
nbytes=14, multibyte=0) at xdisp.c:9649
#5 0x0000000100043f31 in message2 (m=0x1003792eb "Auto-saving...", nbytes=14,
multibyte=0) at xdisp.c:9604
#6 0x0000000100044958 in message1 (m=0x1003792eb "Auto-saving...") at
xdisp.c:9773
#7 0x0000000100191b21 in Fdo_auto_save (no_message=4320145466,
current_only=4320145466) at fileio.c:5567
#8 0x0000000100132127 in read_char (commandflag=1, nmaps=7,
maps=0x7fff5fbfec20, prev_event=4320145466, used_mouse_menu=0x7fff5fbfef4f,
end_time=0x0) at keyboard.c:2729
#9 0x000000010014404e in read_key_sequence (keybuf=0x7fff5fbff220, bufsize=30,
prompt=4320145466, dont_downcase_last=false, can_return_switch_frame=true,
fix_current_buffer=true) at keyboard.c:9349
#10 0x000000010012e8f5 in command_loop_1 () at keyboard.c:1503
#11 0x000000010020275a in internal_condition_case (bfun=0x10012e390
<command_loop_1>, handlers=4320212330, hfun=0x10012d8a0 <cmd_error>) at
eval.c:1289
#12 0x000000010012deb8 in command_loop_2 (ignore=4320145466) at keyboard.c:1193
#13 0x0000000100201fda in internal_catch (tag=4320208442, func=0x10012de80
<command_loop_2>, arg=4320145466) at eval.c:1060
#14 0x000000010012de37 in command_loop () at keyboard.c:1163
#15 0x000000010012d207 in recursive_edit_1 () at keyboard.c:782
#16 0x000000010012d45d in Frecursive_edit () at keyboard.c:846
#17 0x000000010012a8f2 in main (argc=2, argv=0x7fff5fbffa78) at emacs.c:1560
(gdb) p bufp
$1 = (struct re_pattern_buffer *) 0x100709a28
(gdb) p *bufp
$2 = {
buffer = 0x10be25eb0 "\002\032Error in
post-command-hook\001montreal.ca>\001y\r(",
allocated = 416,
used = 29,
syntax = 3408388,
fastmap = 0x100709a68 "",
translate = 0,
re_nsub = 0,
can_be_null = 0,
regs_allocated = 0,
fastmap_accurate = 1,
no_sub = 0,
not_bol = 0,
not_eol = 0,
used_syntax = 0,
multibyte = 0,
target_multibyte = 1,
charset_unibyte = 1
}
(gdb)
fast_string_match receives STRING:
(gdb) p string
$15 = 4320145466
(gdb) xstring
$16 = (struct Lisp_String *) 0x101803038
Value out of range.
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