GNU bug report logs - #75976
31.0.50; feature/igc: crash igc_make_multibyte_string

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Fri, 31 Jan 2025 19:22:33 +0000

just got this backtrace:

protix.c:117: Emacs fatal error: assertion failed: unreachable code

Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=sig <at> entry=6, backtrace_limit=backtrace_limit <at> entry=2147483647) at emacs.c:432
432	{
(gdb) bt
#0  terminate_due_to_signal (sig=sig <at> entry=6, backtrace_limit=backtrace_limit <at> entry=2147483647) at emacs.c:432
#1  0x00005555557e3429 in set_state (state=IGC_STATE_DEAD) at igc.c:1022
#2  igc_assert_fail (file=<optimized out>, line=<optimized out>, msg=<optimized out>) at igc.c:307
#3  0x0000555555883b3d in shieldFlushEntries (shield=0x7ffff7fbe658) at /home/yantar92/Dist/mps/code/shield.c:417
#4  ShieldFlush (arena=0x7ffff7fbe000) at /home/yantar92/Dist/mps/code/shield.c:674
#5  0x00005555558853b3 in ShieldLeave (arena=arena <at> entry=0x7ffff7fbe000) at /home/yantar92/Dist/mps/code/shield.c:694
#6  0x0000555555885627 in ArenaLeaveLock (recursive=<optimized out>, arena=<optimized out>) at /home/yantar92/Dist/mps/code/global.c:614
#7  ArenaLeave (arena=0x7ffff7fbe000) at /home/yantar92/Dist/mps/code/global.c:600
#8  0x000055555588e311 in mps_ap_fill (p_o=p_o <at> entry=0x7fffffffb6e0, mps_ap=mps_ap <at> entry=0x7fffe8001a40, size=size <at> entry=264) at /home/yantar92/Dist/mps/code/mpsi.c:1107
#9  0x00005555557dec89 in alloc_impl (size=264, type=IGC_OBJ_STRING_DATA, ap=0x7fffe8001a40) at igc.c:4011
#10 0x00005555557dedad in alloc (size=size <at> entry=260, type=type <at> entry=IGC_OBJ_STRING_DATA) at igc.c:4039
#11 0x00005555557e183c in alloc_string_data (nbytes=251, clear=false) at igc.c:4092
#12 igc_make_string (nchars=251, nbytes=251, unibyte=unibyte <at> entry=false, clear=clear <at> entry=false) at igc.c:4156
#13 0x00005555557e186c in igc_make_multibyte_string (nchars=<optimized out>, nbytes=<optimized out>, clear=clear <at> entry=false) at igc.c:4163
#14 0x0000555555735cc2 in make_clear_multibyte_string (nchars=nchars <at> entry=251, nbytes=nbytes <at> entry=251, clearit=clearit <at> entry=false) at alloc.c:2584
#15 0x0000555555736645 in make_uninit_multibyte_string (nchars=nchars <at> entry=251, nbytes=nbytes <at> entry=251) at alloc.c:2604
#16 0x0000555555736821 in make_specified_string
    (contents=contents <at> entry=0x7fffffffb800 "id:qutebrowser/qutebrowser/issues/1587/834521111 <at> github.com id:qutebrowser/qutebrowser/issues/1587/834525408 <at> github.com id:qutebrowser/qutebrowser/issue/1587/issue_event/4702823424 <at> github.com id:quteb"..., nchars=nchars <at> entry=251, nbytes=nbytes <at> entry=251, multibyte=false) at alloc.c:2537
#17 0x000055555578810c in read_string_literal (readcharfun=readcharfun <at> entry=XIL(0x7ffdd643b3a5)) at lread.c:3346
#18 0x000055555578a4d6 in read0 (readcharfun=readcharfun <at> entry=XIL(0x7ffdd643b3a5), locate_syms=<optimized out>, locate_syms <at> entry=false) at lread.c:4252
#19 0x000055555578b304 in read_internal_start (stream=XIL(0x7ffdd643b3a5), start=start <at> entry=XIL(0), end=end <at> entry=XIL(0), locate_syms=locate_syms <at> entry=false) at lread.c:2767
#20 0x000055555578b4a9 in Fread (stream=<optimized out>) at lread.c:2679
#21 0x0000555555759d20 in funcall_subr (subr=<optimized out>, numargs=numargs <at> entry=1, args=args <at> entry=0x7fffffffbf88) at eval.c:3183
#22 0x000055555575be0a in funcall_general (fun=<optimized out>, numargs=numargs <at> entry=1, args=args <at> entry=0x7fffffffbf88) at /home/yantar92/Git/emacs/src/lisp.h:2335
#23 0x0000555555757f22 in Ffuncall (nargs=2, args=0x7fffffffbf80) at eval.c:3115
#24 0x00007fffd4acca20 in F6e6f746d7563682d736578702d72656164_notmuch_sexp_read_0 () at /home/yantar92/.emacs.d/eln-cache/31.0.50-7a3b6388/notmuch-parser-f8705f98-6bf14062.eln
#25 0x0000555555759d20 in funcall_subr (subr=<optimized out>, numargs=numargs <at> entry=1, args=args <at> entry=0x7fffffffc108) at eval.c:3183
#26 0x000055555575be0a in funcall_general (fun=<optimized out>, numargs=numargs <at> entry=1, args=args <at> entry=0x7fffffffc108) at /home/yantar92/Git/emacs/src/lisp.h:2335
#27 0x0000555555757f22 in Ffuncall (nargs=2, args=0x7fffffffc100) at eval.c:3115
#28 0x00007fffd4acceb4 in F6e6f746d7563682d736578702d70617273652d7061727469616c2d6c697374_notmuch_sexp_parse_partial_list_0 ()
    at /home/yantar92/.emacs.d/eln-cache/31.0.50-7a3b6388/notmuch-parser-f8705f98-6bf14062.eln
#29 0x0000555555759d33 in funcall_subr (subr=<optimized out>, numargs=numargs <at> entry=2, args=args <at> entry=0x7fffffffc298) at eval.c:3185
#30 0x000055555575be0a in funcall_general (fun=<optimized out>, numargs=numargs <at> entry=2, args=args <at> entry=0x7fffffffc298) at /home/yantar92/Git/emacs/src/lisp.h:2335
#31 0x0000555555757f22 in Ffuncall (nargs=3, args=0x7fffffffc290) at eval.c:3115
#32 0x00007fffd4c18b32 in F6e6f746d7563682d7365617263682d70726f636573732d66696c746572_notmuch_search_process_filter_0 () at /home/yantar92/.emacs.d/eln-cache/31.0.50-7a3b6388/notmuch-dd5194ce-b0908765.eln
#33 0x0000555555759d33 in funcall_subr (subr=<optimized out>, numargs=numargs <at> entry=2, args=args <at> entry=0x7fffffffc3e8) at eval.c:3185
#34 0x000055555575be0a in funcall_general (fun=<optimized out>, numargs=numargs <at> entry=2, args=args <at> entry=0x7fffffffc3e8) at /home/yantar92/Git/emacs/src/lisp.h:2335
#35 0x0000555555757f22 in Ffuncall (nargs=nargs <at> entry=3, args=args <at> entry=0x7fffffffc3e0) at eval.c:3115
#36 0x000055555575846f in Fapply (nargs=nargs <at> entry=2, args=args <at> entry=0x7fffffffc470) at eval.c:2787
#37 0x0000555555758542 in apply1 (fn=<optimized out>, arg=<optimized out>) at eval.c:3003
#38 0x00005555557ad48f in read_process_output_call (fun_and_args=fun_and_args <at> entry=XIL(0x7ffdd850ea63)) at process.c:6148
#39 0x00005555557568de in internal_condition_case_1
    (bfun=bfun <at> entry=0x5555557ad476 <read_process_output_call>, arg=XIL(0x7ffdd850ea63), handlers=handlers <at> entry=XIL(0), hfun=hfun <at> entry=0x5555557ad3c7 <read_process_output_error_handler>) at eval.c:1651
#40 0x00005555557b02e6 in read_and_dispose_of_process_output (p=<optimized out>, chars=<optimized out>, nbytes=4096, coding=<optimized out>) at process.c:6517
#41 read_process_output (proc=proc <at> entry=XIL(0x7ffdd643af75), channel=channel <at> entry=33) at process.c:6285
#42 0x00005555557b84f4 in wait_reading_process_output
    (time_limit=time_limit <at> entry=0, nsecs=nsecs <at> entry=0, read_kbd=read_kbd <at> entry=-1, do_display=true, wait_for_cell=wait_for_cell <at> entry=XIL(0), wait_proc=wait_proc <at> entry=0x0, just_wait_proc=0)
    at process.c:5966
#43 0x00005555556df66c in kbd_buffer_get_event (kbp=<synthetic pointer>, used_mouse_menu=0x7fffffffcffb, end_time=0x0) at keyboard.c:4115
#44 read_event_from_main_queue (end_time=end_time <at> entry=0x0, local_getcjmp=local_getcjmp <at> entry=0x7fffffffccd0, used_mouse_menu=used_mouse_menu <at> entry=0x7fffffffcffb) at keyboard.c:2336
#45 0x00005555556e22dd in read_decoded_event_from_main_queue (end_time=<optimized out>, local_getcjmp=<optimized out>, prev_event=<optimized out>, used_mouse_menu=<optimized out>) at keyboard.c:2399
#46 read_char (commandflag=1, map=map <at> entry=XIL(0x7ffdd85b10c3), prev_event=XIL(0), used_mouse_menu=used_mouse_menu <at> entry=0x7fffffffcffb, end_time=end_time <at> entry=0x0) at keyboard.c:3031
#47 0x00005555556e386d in read_key_sequence
    (keybuf=keybuf <at> entry=0x7fffffffd150, prompt=prompt <at> entry=XIL(0), dont_downcase_last=dont_downcase_last <at> entry=false, can_return_switch_frame=can_return_switch_frame <at> entry=true, fix_current_buffer=fix_current_buffer <at> entry=true, prevent_redisplay=prevent_redisplay <at> entry=false, disable_text_conversion_p=false) at keyboard.c:10790
#48 0x00005555556e59f7 in command_loop_1 () at keyboard.c:1435
--Type <RET> for more, q to quit, c to continue without paging--c
#49 0x0000555555756866 in internal_condition_case (bfun=bfun <at> entry=0x5555556e5505 <command_loop_1>, handlers=handlers <at> entry=XIL(0xa8), hfun=hfun <at> entry=0x5555556d6470 <cmd_error>) at eval.c:1627
#50 0x00005555556d1247 in command_loop_2 (handlers=handlers <at> entry=XIL(0xa8)) at keyboard.c:1174
#51 0x00005555557567a1 in internal_catch (tag=tag <at> entry=XIL(0x15498), func=func <at> entry=0x5555556d1217 <command_loop_2>, arg=arg <at> entry=XIL(0xa8)) at eval.c:1306
#52 0x00005555556d11f4 in command_loop () at keyboard.c:1152
#53 0x00005555556d5fe3 in recursive_edit_1 () at keyboard.c:760
#54 0x00005555556d638b in Frecursive_edit () at keyboard.c:843
#55 0x00005555556d044b in main (argc=1, argv=0x7fffffffd5e8) at emacs.c:2658

Lisp Backtrace:
"read" (0xffffbf88)
"notmuch-sexp-read" (0xffffc108)
"notmuch-sexp-parse-partial-list" (0xffffc298)
"notmuch-search-process-filter" (0xffffc3e8)
(gdb) q


In GNU Emacs 31.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.42, cairo version 1.18.2) of 2025-01-30 built on localhost
Repository revision: 67e602105774a31508239a6d2a6a05a4d4c5d363
Repository branch: feature/igc
Windowing system distributor 'The X.Org Foundation', version 11.0.12101014
System Description: Gentoo Linux

Configured using:
 'configure --with-mps=yes --with-native-compilation 'CFLAGS=-g3
 -I/opt/mps/include -L/opt/mps/lib'
 JAVAC=/etc/java-config-2/current-system-vm/bin/javac
 PKG_CONFIG_PATH=/usr/share/guile-data/3.0/pkgconfig'


-- 
Ihor Radchenko // yantar92,
Org mode maintainer,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

Message #8 received at 75976 <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> protonmail.com>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 75976 <at> debbugs.gnu.org
Subject: Re: bug#75976: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Fri, 31 Jan 2025 20:09:19 +0000

"Ihor Radchenko" <yantar92 <at> posteo.net> writes:

> just got this backtrace:
>
> protix.c:117: Emacs fatal error: assertion failed: unreachable code

Interesting one:

An mprotect call failed.  Do you have a coredump or the gdb
session/process still open?

Pip

Message #11 received at 75976 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Pip Cet <pipcet <at> protonmail.com>
Cc: 75976 <at> debbugs.gnu.org
Subject: Re: bug#75976: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Sun, 02 Feb 2025 15:09:33 +0000

Pip Cet <pipcet <at> protonmail.com> writes:

>> protix.c:117: Emacs fatal error: assertion failed: unreachable code
>
> Interesting one:
>
> An mprotect call failed.  Do you have a coredump or the gdb
> session/process still open?

Unfortunately, no.
And, ironically, I got 3 crashes on Friday but nothing yesterday and
today.

-- 
Ihor Radchenko // yantar92,
Org mode maintainer,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

Message #14 received at 75976 <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> protonmail.com>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 75976 <at> debbugs.gnu.org
Subject: Re: bug#75976: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Fri, 21 Feb 2025 18:21:03 +0000

"Ihor Radchenko" <yantar92 <at> posteo.net> writes:

> Pip Cet <pipcet <at> protonmail.com> writes:
>
>>> protix.c:117: Emacs fatal error: assertion failed: unreachable code
>>
>> Interesting one:
>>
>> An mprotect call failed.  Do you have a coredump or the gdb
>> session/process still open?
>
> Unfortunately, no.
> And, ironically, I got 3 crashes on Friday but nothing yesterday and
> today.

Ihor,

has anything like this happened with recent code?  If not, we should
probably close this bug report?

Thanks
Pip

Message #17 received at 75976 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Pip Cet <pipcet <at> protonmail.com>
Cc: 75976 <at> debbugs.gnu.org
Subject: Re: bug#75976: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Fri, 21 Feb 2025 18:29:50 +0000

Pip Cet <pipcet <at> protonmail.com> writes:

> has anything like this happened with recent code?  If not, we should
> probably close this bug report?

No longer reproducible.
So, feel free to close.

There is a chance that the crash was related to some combination of my
hard drive space exhausting, notmuch behaving strangely because of that,
and Emacs interacting with that strangely-behaving notmuch. If it is
true, such scenario is not what I can reproduce easily.

-- 
Ihor Radchenko // yantar92,
Org mode maintainer,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

Message #22 received at 75976-done <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> protonmail.com>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 75976-done <at> debbugs.gnu.org
Subject: Re: bug#75976: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Fri, 21 Feb 2025 18:33:19 +0000

"Ihor Radchenko" <yantar92 <at> posteo.net> writes:

> Pip Cet <pipcet <at> protonmail.com> writes:
>
>> has anything like this happened with recent code?  If not, we should
>> probably close this bug report?
>
> No longer reproducible.
> So, feel free to close.
>
> There is a chance that the crash was related to some combination of my
> hard drive space exhausting, notmuch behaving strangely because of that,
  ^^^^^^^^^^^^^^^^

Did you run out of virtual memory as well?  As far as I know, that might
explain mprotect acting weirdly...

I'll close this for now, just to get a better overview of still-open
issues.

Thanks for the report!

Pip

Message #25 received at 75976-done <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Pip Cet <pipcet <at> protonmail.com>
Cc: 75976-done <at> debbugs.gnu.org
Subject: Re: bug#75976: 31.0.50; feature/igc: crash igc_make_multibyte_string
Date: Fri, 21 Feb 2025 18:35:33 +0000

Pip Cet <pipcet <at> protonmail.com> writes:

>> There is a chance that the crash was related to some combination of my
>> hard drive space exhausting, notmuch behaving strangely because of that,
>   ^^^^^^^^^^^^^^^^
>
> Did you run out of virtual memory as well?  As far as I know, that might
> explain mprotect acting weirdly...

Not virtual memory, no. It is just my automatic downloading of
bookmarked youtube videos that went out of control.

-- 
Ihor Radchenko // yantar92,
Org mode maintainer,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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