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bug#12360: 24.2.50; Crash in set_buffer_internal_1
From: |
Werner LEMBERG |
Subject: |
bug#12360: 24.2.50; Crash in set_buffer_internal_1 |
Date: |
Wed, 05 Sep 2012 19:03:06 +0200 (CEST) |
[rev 109796 + windowp.diff from
http://debbugs.gnu.org/cgi/bugreport.cgi?msg=14;filename=windowp.diff;att=1;bug=12310]
The crash happened after composing an email with mew, then trying to
send it with C-c C-c.
Werner
======================================================================
Program received signal SIGSEGV, Segmentation fault.
set_buffer_internal_1 (b=0x846958d) at buffer.c:2154
2154 bset_undo_list (b, BVAR (b->base_buffer, undo_list));
(gdb) p b
$1 = (struct buffer *) 0x846958d
(gdb) p b->base_buffer
$2 = (struct buffer *) 0x98000000
(gdb) p *b->base_buffer
Cannot access memory at address 0x98000000
(gdb) p undo_list
No symbol "undo_list" in current context.
(gdb) bt full
#0 set_buffer_internal_1 (b=0x846958d) at buffer.c:2154
old_buf = 0x8480af8
tail = <optimized out>
#1 0x08147c06 in command_loop_1 () at keyboard.c:1438
cmd = <optimized out>
keybuf = {12, -1073747977, 159382230, 40, -1073746568, 134626714,
141443984, 138843538,
-1073747977, -1073747977, 159382230, 40, -1073746568, 135518707, 159382230,
138843562, -1073747977,
140927362, -1073747977, 40, 40, 135518989, 159382230, -1073747977,
-1073746568, 135978019, 140497734,
4625810, -1207960904, 0}
i = <optimized out>
prev_modiff = 0
prev_buffer = 0x0
#2 0x081aa67d in internal_condition_case (bfun=0x8147b30 <command_loop_1>,
handlers=138877346, hfun=
0x813da40 <cmd_error>) at eval.c:1322
val = <optimized out>
c = {
tag = 138843538,
val = 138843538,
next = 0xbfffe968,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, 142791432, 142791448, -1073746568, 1781480335,
-1598877472},
__mask_was_saved = 0,
__saved_mask = {
__val = {134553001, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3062816632,
3065862960, 0, 0, 0, 0,
4294967295, 3221219536, 3221219824, 135609939, 2, 3087003588, 3087005952,
1, 0, 3086922907, 3087006392,
3058843712, 1, 1, 0, 1}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
h = {
handler = 138877346,
var = 138843538,
chosen_clause = 138843562,
tag = 0xbfffe844,
next = 0x0
}
#3 0x0813c375 in command_loop_2 (ignore=138843538) at keyboard.c:1204
val = 138843538
#4 0x081aa599 in internal_catch (tag=138875290, func=0x813c350
<command_loop_2>, arg=138843538)
at eval.c:1079
c = {
tag = 138875290,
val = 138843538,
next = 0x0,
gcpro = 0x0,
jmp = {{
__jmpbuf = {0, 142791432, 142791448, -1073746568, 1781398415,
-1598716192},
__mask_was_saved = 0,
__saved_mask = {
__val = {0, 177, 23, 3063290583, 140685641, 140685640,
136248496, 142668888, 136562658, 14,
58, 142668888, 14, 136562658, 3221219912, 0, 0, 0, 3221219912, 400,
3221221571, 136562658, 138967378,
138967376, 138843538, 3221220728, 135976258, 138967378, 138843538,
138843538, 1, 0}
}
}},
backlist = 0x0,
handlerlist = 0x0,
lisp_eval_depth = 0,
pdlcount = 2,
poll_suppress_count = 1,
interrupt_input_blocked = 0,
byte_stack = 0x0
}
#5 0x0813d58a in command_loop () at keyboard.c:1183
No locals.
#6 recursive_edit_1 () at keyboard.c:804
count = 1
val = 0
#7 0x0813d87f in Frecursive_edit () at keyboard.c:868
count = <optimized out>
buffer = 138843538
#8 0x080599d0 in main (argc=2, argv=Cannot access memory at address 0xa0b310e4
) at emacs.c:1654
dummy = 136470960
stack_bottom_variable = 8 '\b'
do_initial_setlocale = <optimized out>
skip_args = 0
rlim = {
rlim_cur = 8388608,
rlim_max = 18446744073709551615
}
no_loadup = 0
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0xb6a873c4
"\300\201\250\266\340\203\250\266\300p\250\266\264p\250\266dp\250\266\003"
- bug#12360: 24.2.50; Crash in set_buffer_internal_1,
Werner LEMBERG <=