From: Eli Zaretskii <eliz@gnu.org>
To: rms@gnu.org
Cc: 31829@debbugs.gnu.org
Subject: bug#31829: 27.0.50;
Date: Thu, 14 Jun 2018 21:10:59 +0300 [thread overview]
Message-ID: <83a7rx2q8c.fsf@gnu.org> (raw)
In-Reply-To: <E1fTVJj-0002dO-Vk@fencepost.gnu.org> (message from Richard Stallman on Thu, 14 Jun 2018 12:41:47 -0400)
> From: Richard Stallman <rms@gnu.org>
> Date: Thu, 14 Jun 2018 12:41:47 -0400
>
>
> Run emacs -Q, visit foo.txt (see below), type
> C-SPC M-> C-p C-f C-f C-f C-x r d C-x C-s, and it gets
> an error trying to save. In another Emacs job (same version),
> it got a seg fault, but I can't reproduce that now.
I get an assertion violation if I set debug-on-error non-nil, I guess
your Emacs is configured without "--enable-checking"?
Here's the backtrace (I get this also on the emacs-26 branch):
lisp.h:3318: Emacs fatal error: assertion failed: 0 <= idx && idx < (1 << CHARTAB_SIZE_BITS_0)
Thread 1 hit Breakpoint 1, terminate_due_to_signal (sig=22,
backtrace_limit=2147483647) at emacs.c:364
364 signal (sig, SIG_DFL);
(gdb) bt
#0 terminate_due_to_signal (sig=22, backtrace_limit=2147483647)
at emacs.c:364
#1 0x011f5624 in die (
msg=0x169e0b4 <DEFAULT_REHASH_SIZE+540> "0 <= idx && idx < (1 << CHARTAB_SIZE_BITS_0)", file=0x169daa8 <Qzlib+8> "lisp.h", line=3318) at alloc.c:7410
#2 0x011460ef in set_char_table_contents (table=XIL(0xa000000001c98020),
idx=178, val=XIL(0xa00000000790d3f8)) at lisp.h:3318
#3 0x01116dcc in char_table_set (table=XIL(0xa000000001c98020), c=11672154,
val=XIL(0xebd0)) at chartab.c:436
#4 0x010fb986 in Ffind_coding_systems_region_internal (start=make_number(1),
end=make_number(50106), exclude=XIL(0)) at coding.c:9086
#5 0x012270d0 in funcall_subr (
subr=0x1384e40 <Sfind_coding_systems_region_internal>, numargs=2,
args=0x82c0f0) at eval.c:2849
#6 0x01226ab0 in Ffuncall (nargs=3, args=0x82c0e8) at eval.c:2769
#7 0x0128d477 in exec_byte_code (bytestr=XIL(0x80000000014386c8),
vector=XIL(0xa0000000014386d8), maxdepth=make_number(6),
args_template=make_number(514), nargs=2, args=0x82c5a8) at bytecode.c:629
#8 0x01227bae in funcall_lambda (fun=XIL(0xa000000001438698), nargs=2,
arg_vector=0x40000000) at eval.c:2970
#9 0x01226b0a in Ffuncall (nargs=3, args=0x82c590) at eval.c:2771
#10 0x0128d477 in exec_byte_code (bytestr=XIL(0x8000000001439170),
vector=XIL(0xa000000001439180), maxdepth=make_number(20),
args_template=make_number(1282), nargs=5, args=0x82cd60) at bytecode.c:629
#11 0x01227bae in funcall_lambda (fun=XIL(0xa000000001439140), nargs=5,
arg_vector=0x40000000) at eval.c:2970
#12 0x01226b0a in Ffuncall (nargs=6, args=0x82cd30) at eval.c:2771
#13 0x01226218 in call5 (fn=XIL(0xc99a8), arg1=make_number(1),
arg2=make_number(50106), arg3=XIL(0x119508), arg4=XIL(0),
arg5=XIL(0x8000000000fd4360)) at eval.c:2654
#14 0x011b8f73 in choose_write_coding_system (start=make_number(1),
end=make_number(50106), filename=XIL(0x8000000000fd4360), append=XIL(0),
visit=XIL(0xebd0), lockname=XIL(0x8000000000fd4390), coding=0x82d170)
at fileio.c:4681
#15 0x011b9a2a in write_region (start=make_number(1), end=make_number(50106),
filename=XIL(0x8000000000fd4360), append=XIL(0), visit=XIL(0xebd0),
lockname=XIL(0x8000000000fd4390), mustbenew=XIL(0), desc=-1)
at fileio.c:4875
#16 0x011b9251 in Fwrite_region (start=XIL(0), end=XIL(0),
filename=XIL(0x8000000000fd4360), append=XIL(0), visit=XIL(0xebd0),
lockname=XIL(0x8000000000fd4390), mustbenew=XIL(0)) at fileio.c:4755
#17 0x012272a8 in funcall_subr (subr=0x1387580 <Swrite_region>, numargs=6,
args=0x82d858) at eval.c:2864
#18 0x01226ab0 in Ffuncall (nargs=7, args=0x82d850) at eval.c:2769
#19 0x0128d477 in exec_byte_code (bytestr=XIL(0x80000000013cdae8),
vector=XIL(0xa0000000013cdaf8), maxdepth=make_number(14),
args_template=make_number(0), nargs=0, args=0x82de20) at bytecode.c:629
#20 0x01227bae in funcall_lambda (fun=XIL(0xa0000000013cdac0), nargs=0,
arg_vector=0x40000000) at eval.c:2970
#21 0x01226b0a in Ffuncall (nargs=1, args=0x82de18) at eval.c:2771
#22 0x0128d477 in exec_byte_code (bytestr=XIL(0x80000000013cda80),
vector=XIL(0xa0000000013cda90), maxdepth=make_number(3),
args_template=make_number(0), nargs=0, args=0x82e2b0) at bytecode.c:629
#23 0x01227bae in funcall_lambda (fun=XIL(0xa0000000013cda58), nargs=0,
arg_vector=0x40000000) at eval.c:2970
#24 0x01226b0a in Ffuncall (nargs=1, args=0x82e2a8) at eval.c:2771
#25 0x0128d477 in exec_byte_code (bytestr=XIL(0x80000000013cd7b8),
vector=XIL(0xa0000000013cd7c8), maxdepth=make_number(9),
args_template=make_number(256), nargs=1, args=0x82e898) at bytecode.c:629
#26 0x01227bae in funcall_lambda (fun=XIL(0xa0000000013cd780), nargs=1,
arg_vector=0x40000000) at eval.c:2970
#27 0x01226b0a in Ffuncall (nargs=2, args=0x82e888) at eval.c:2771
#28 0x0128d477 in exec_byte_code (bytestr=XIL(0x80000000013cd518),
vector=XIL(0xa0000000013cd528), maxdepth=make_number(5),
args_template=make_number(256), nargs=1, args=0x82eeb8) at bytecode.c:629
#29 0x01227bae in funcall_lambda (fun=XIL(0xa0000000013cd4e0), nargs=1,
arg_vector=0x40000000) at eval.c:2970
#30 0x01226b0a in Ffuncall (nargs=2, args=0x82eea8) at eval.c:2771
#31 0x0121867d in Ffuncall_interactively (nargs=2, args=0x82eea8)
at callint.c:252
#32 0x01226f78 in funcall_subr (subr=0x16855c0 <Sfuncall_interactively>,
numargs=2, args=0x82eea8) at eval.c:2824
#33 0x01226ab0 in Ffuncall (nargs=3, args=0x82eea0) at eval.c:2769
#34 0x0121b808 in Fcall_interactively (function=XIL(0x144810),
record_flag=XIL(0), keys=XIL(0xa000000006f1b838)) at callint.c:854
#35 0x012270d0 in funcall_subr (subr=0x16855e0 <Scall_interactively>,
numargs=3, args=0x82f230) at eval.c:2849
#36 0x01226ab0 in Ffuncall (nargs=4, args=0x82f228) at eval.c:2769
#37 0x0128d477 in exec_byte_code (bytestr=XIL(0x80000000014224e0),
vector=XIL(0xa0000000014224f0), maxdepth=make_number(13),
args_template=make_number(1025), nargs=1, args=0x82f750) at bytecode.c:629
#38 0x01227bae in funcall_lambda (fun=XIL(0xa0000000014224b0), nargs=1,
arg_vector=0x40000000) at eval.c:2970
#39 0x01226b0a in Ffuncall (nargs=2, args=0x82f740) at eval.c:2771
#40 0x01225ffc in call1 (fn=XIL(0x4398), arg1=XIL(0x144810)) at eval.c:2620
#41 0x01150625 in command_loop_1 () at keyboard.c:1482
#42 0x01221455 in internal_condition_case (bfun=0x114fba3 <command_loop_1>,
handlers=XIL(0x5b70), hfun=0x114ee23 <cmd_error>) at eval.c:1332
#43 0x0114f637 in command_loop_2 (ignore=XIL(0)) at keyboard.c:1110
#44 0x01220587 in internal_catch (tag=XIL(0xf570),
func=0x114f5fb <command_loop_2>, arg=XIL(0)) at eval.c:1097
#45 0x0114f5b6 in command_loop () at keyboard.c:1089
#46 0x0114e84b in recursive_edit_1 () at keyboard.c:695
#47 0x0114eaed in Frecursive_edit () at keyboard.c:766
#48 0x0114c1f4 in main (argc=2, argv=0xa428d8) at emacs.c:1713
Lisp Backtrace:
"find-coding-systems-region-internal" (0x82c0f0)
"find-coding-systems-region" (0x82c598)
"select-safe-coding-system" (0x82cd38)
"write-region" (0x82d858)
"basic-save-buffer-2" (0x82de20)
"basic-save-buffer-1" (0x82e2b0)
"basic-save-buffer" (0x82e890)
"save-buffer" (0x82eeb0)
"funcall-interactively" (0x82eea8)
"call-interactively" (0x82f230)
"command-execute" (0x82f748)
(gdb)
Note that in find-coding-systems-region we have an invalid character
code, larger than 0x3fffff:
(gdb) up
#1 0x011f5624 in die (
msg=0x169e0b4 <DEFAULT_REHASH_SIZE+540> "0 <= idx && idx < (1 << CHARTAB_SIZE_BITS_0)", file=0x169daa8 <Qzlib+8> "lisp.h", line=3318) at alloc.c:7410
7410 terminate_due_to_signal (SIGABRT, INT_MAX);
(gdb)
#2 0x011460ef in set_char_table_contents (table=XIL(0xa000000001c98020),
idx=178, val=XIL(0xa00000000790d3f8)) at lisp.h:3318
3318 eassert (0 <= idx && idx < (1 << CHARTAB_SIZE_BITS_0));
(gdb)
#3 0x01116dcc in char_table_set (table=XIL(0xa000000001c98020), c=11672154,
val=XIL(0xebd0)) at chartab.c:436
436 set_char_table_contents (table, i, sub);
(gdb)
#4 0x010fb986 in Ffind_coding_systems_region_internal (start=make_number(1),
end=make_number(50106), exclude=XIL(0)) at coding.c:9086
9086 char_table_set (work_table, c, Qt);
(gdb) p/x c
$1 = 0xb21a5a <<<<<<<<<<<<<<<<<<<<<<<<<<<<<
next prev parent reply other threads:[~2018-06-14 18:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-14 16:41 bug#31829: 27.0.50; Richard Stallman
2018-06-14 18:10 ` Eli Zaretskii [this message]
2018-06-14 18:17 ` Eli Zaretskii
2018-06-15 14:41 ` Eli Zaretskii
2018-06-23 7:53 ` Eli Zaretskii
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