Subject: bug#56443: closed (Re: bug#56443: 28.1; Mac segmentation fault with ffap)

From: [email-masked] (GNU bug Tracking System)
Date: Fri, 08 Jul 2022 16:17:02 +0000

Your bug report

#56443: 28.1; Mac segmentation fault with ffap

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
56443: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56443
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#56443: 28.1; Mac segmentation fault with ffap
From: Mattias Engdegård <[email-masked]>
To: Stephen Eglen <[email-masked]>
Cc: [email-masked], Eli Zaretskii <[email-masked]>,Daniel Martín <[email-masked]>
Date: Fri, 8 Jul 2022 18:15:22 +0200
List-Id: <debbugs-submit.debbugs.gnu.org>

8 juli 2022 kl. 18.12 skrev Stephen Eglen <[email-masked]>:

> Thank you Mattias; working from master I can confirm I do not see an
> error now.

Thanks for verifying (and for reporting it in the first place!) -- closing.

Subject: 28.1; Mac segmentation fault with ffap
From: Stephen Eglen <[email-masked]>
To: [email-masked]
Date: Thu, 07 Jul 2022 18:18:23 +0100
List-Id: <debbugs-submit.debbugs.gnu.org>

Can anyone replicate the following on Mac M1?  I'm using the 'emacs'
cask from homebrew, and I get the crash both with GUI and terminal
version of Emacs.  This seems to be mac-specific; I do not see the
problem on linux.

Starting emacs from the terminal.

$ emacs -nw -q

(require 'ffap)

Then with point somewhere over an email, e.g. [email-masked],
if I run M-x find-file-at-point I get:

Fatal error 11: Segmentation fault

and emacs quits.

In my initial debugging from the elisp side, it seems to happen with the function ffap-prompter, when the unwind-protect statement finishes.

Under the GUI, the backtrace reported is attached.

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               Emacs-arm64-11 [87375]
Path:                  /Applications/Emacs.app/Contents/MacOS/Emacs-arm64-11
Identifier:            Emacs-arm64-11
Version:               ???
Code Type:             ARM-64 (Native)
Parent Process:        zsh [83690]
Responsible:           Terminal [559]
User ID:               501

Date/Time:             2022-07-07 15:56:24.5056 +0100
OS Version:            macOS 12.4 (21F79)
Report Version:        12
Anonymous UUID:        053D4162-097E-498B-8271-FD08E58B5587

Sleep/Wake UUID:       B40490E6-25CF-4FA7-BFEC-F3A26E0CB216

Time Awake Since Boot: 490000 seconds
Time Since Wake:       3859 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGABRT)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000004
Exception Codes:       0x0000000000000001, 0x0000000000000004
Exception Note:        EXC_CORPSE_NOTIFY

VM Region Info: 0x4 is not in any region.  Bytes before following region: 105553518919676
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      MALLOC_NANO (reserved)   600018000000-600020000000 [128.0M] rw-/rwx SM=NUL  ...(unallocated)

Kernel Triage:
VM - pmap_enter failed with resource shortage
VM - pmap_enter failed with resource shortage
VM - pmap_enter failed with resource shortage
VM - pmap_enter failed with resource shortage
VM - pmap_enter failed with resource shortage

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	       0x19fc9ad98 __pthread_kill + 8
1   libsystem_pthread.dylib       	       0x19fccfee0 pthread_kill + 288
2   libsystem_c.dylib             	       0x19fbd2680 raise + 32
3   Emacs-arm64-11                	       0x1028c977c terminate_due_to_signal + 204
4   Emacs-arm64-11                	       0x1028c9e08 emacs_abort + 20
5   Emacs-arm64-11                	       0x10289817c ns_term_shutdown + 144
6   Emacs-arm64-11                	       0x102795eec shut_down_emacs + 328
7   Emacs-arm64-11                	       0x1028c9744 terminate_due_to_signal + 148
8   Emacs-arm64-11                	       0x1027b5310 handle_fatal_signal + 16
9   Emacs-arm64-11                	       0x1027b538c deliver_thread_signal + 124
10  Emacs-arm64-11                	       0x1027b3898 deliver_fatal_thread_signal + 12
11  libsystem_platform.dylib      	       0x19fce74a4 _sigtramp + 56
12  Emacs-arm64-11                	       0x1027cde38 Ffile_name_case_insensitive_p + 108
13  Emacs-arm64-11                	       0x1027cde38 Ffile_name_case_insensitive_p + 108
14  Emacs-arm64-11                	       0x10281a244 funcall_subr + 264
15  Emacs-arm64-11                	       0x102819818 Ffuncall + 752
16  Emacs-arm64-11                	       0x102819818 Ffuncall + 752
17  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
18  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
19  Emacs-arm64-11                	       0x102815c58 call2 + 48
20  Emacs-arm64-11                	       0x10281a244 funcall_subr + 264
21  Emacs-arm64-11                	       0x102819818 Ffuncall + 752
22  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
23  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
24  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
25  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
26  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
27  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
28  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
29  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
30  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
31  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
32  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
33  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
34  Emacs-arm64-11                	       0x102812bd0 Ffuncall_interactively + 80
35  Emacs-arm64-11                	       0x102819818 Ffuncall + 752
36  Emacs-arm64-11                	       0x102812ec4 Fcall_interactively + 732
37  Emacs-arm64-11                	       0x10281a268 funcall_subr + 300
38  Emacs-arm64-11                	       0x102819818 Ffuncall + 752
39  Emacs-arm64-11                	       0x10285abec exec_byte_code + 1952
40  Emacs-arm64-11                	       0x102819790 Ffuncall + 616
41  Emacs-arm64-11                	       0x102819ebc call1 + 44
42  Emacs-arm64-11                	       0x102799b44 command_loop_1 + 1640
43  Emacs-arm64-11                	       0x102817950 internal_condition_case + 264
44  Emacs-arm64-11                	       0x1027994c8 command_loop_2 + 52
45  Emacs-arm64-11                	       0x102816f24 internal_catch + 264
46  Emacs-arm64-11                	       0x1028c9a8c recursive_edit_1.cold.1 + 80
47  Emacs-arm64-11                	       0x102798cf8 recursive_edit_1 + 268
48  Emacs-arm64-11                	       0x102798ea0 Frecursive_edit + 388
49  Emacs-arm64-11                	       0x10279828c main + 9036
50  dyld                          	       0x102fd508c start + 520

Thread 1:
0   libsystem_pthread.dylib       	       0x19fccb078 start_wqthread + 0

Thread 2:
0   libsystem_pthread.dylib       	       0x19fccb078 start_wqthread + 0

Thread 3:
0   libsystem_pthread.dylib       	       0x19fccb078 start_wqthread + 0

Thread 4:
0   libsystem_kernel.dylib        	       0x19fc9d598 __select + 8
1   Emacs-arm64-11                	       0x1028994fc -[EmacsApp fd_handler:] + 244
2   Foundation                    	       0x1a0c7763c __NSThread__start__ + 808
3   libsystem_pthread.dylib       	       0x19fcd026c _pthread_start + 148
4   libsystem_pthread.dylib       	       0x19fccb08c thread_start + 8

Thread 5:: com.apple.NSEventThread
0   libsystem_kernel.dylib        	       0x19fc928b0 mach_msg_trap + 8
1   libsystem_kernel.dylib        	       0x19fc92d20 mach_msg + 76
2   CoreFoundation                	       0x19fd9d2b0 __CFRunLoopServiceMachPort + 372
3   CoreFoundation                	       0x19fd9b760 __CFRunLoopRun + 1180
4   CoreFoundation                	       0x19fd9ab24 CFRunLoopRunSpecific + 600
5   AppKit                        	       0x1a2a6e374 _NSEventThread + 196
6   libsystem_pthread.dylib       	       0x19fcd026c _pthread_start + 148
7   libsystem_pthread.dylib       	       0x19fccb08c thread_start + 8

Thread 0 crashed with ARM Thread State (64-bit):
    x0: 0x0000000000000000   x1: 0x0000000000000000   x2: 0x0000000000000000   x3: 0x000000019fadf04c
    x4: 0x0000600001a6cac0   x5: 0x0000000000000000   x6: 0x0000000000000400   x7: 0x0000000000000db0
    x8: 0x10463841980e475b   x9: 0x104638409b0ac2db  x10: 0x0000000000000001  x11: 0x02000001f869a96d
   x12: 0x0000000000000057  x13: 0x00000000fdafc091  x14: 0x00000000fdcfc800  x15: 0x00000000000001f9
   x16: 0x0000000000000148  x17: 0x00000001f9d5b680  x18: 0x0000000000000000  x19: 0x0000000000000006
   x20: 0x0000000103048580  x21: 0x0000000000000103  x22: 0x0000000103048660  x23: 0x0000000000002910
   x24: 0x0000000000000000  x25: 0x0000000000000000  x26: 0x400000003f000000  x27: 0x4000000019000000
   x28: 0x4000000017000000   fp: 0x000000016d71d1f0   lr: 0x000000019fccfee0
    sp: 0x000000016d71d1d0   pc: 0x000000019fc9ad98 cpsr: 0x40001000
   far: 0x00006000026cc740  esr: 0x56000080  Address size fault

Binary Images:
       0x19fc91000 -        0x19fcc8fff libsystem_kernel.dylib (*) <03f48dc5-caa7-3678-af61-1a3c7fa8b06e> /usr/lib/system/libsystem_kernel.dylib
       0x19fcc9000 -        0x19fcd5fff libsystem_pthread.dylib (*) <42166a2c-89a9-3c38-a215-f028544cea23> /usr/lib/system/libsystem_pthread.dylib
       0x19fb90000 -        0x19fc11fff libsystem_c.dylib (*) <86746b94-88e3-342d-b2b2-54303404e492> /usr/lib/system/libsystem_c.dylib
       0x1026e0000 -        0x10290bfff Emacs-arm64-11 (*) <70bcc1e9-bc20-3e28-a912-c26c3baf0e68> /Applications/Emacs.app/Contents/MacOS/Emacs-arm64-11
       0x19fce3000 -        0x19fceafff libsystem_platform.dylib (*) <d7aba99f-ba00-36e9-945d-48acf57fc568> /usr/lib/system/libsystem_platform.dylib
       0x102fd0000 -        0x10302ffff dyld (*) <d9c2a46e-8dc4-3950-9d6a-f799e8ccb683> /usr/lib/dyld
       0x1a0c1b000 -        0x1a100cfff com.apple.Foundation (6.9) <a2e534d9-cdf0-397f-a41e-147559c83893> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
       0x19fd18000 -        0x1a025efff com.apple.CoreFoundation (6.9) <994db908-11a1-3e43-b7df-25c09d51368a> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
       0x1a28c0000 -        0x1a3777fff com.apple.AppKit (6.9) <a773dd23-b1c8-3c9b-9175-9a71d210ace0> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=844.2M resident=0K(0%) swapped_out_or_unallocated=844.2M(100%)
Writable regions: Total=1.4G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=1.4G(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               384K        3 
Activity Tracing                   256K        1 
CG backing stores                 4288K        8 
CG image                           384K        6 
ColorSync                          512K       25 
CoreAnimation                      416K       18 
CoreGraphics                        32K        2 
CoreImage                           48K        2 
CoreServices                        80K        1 
CoreUI image data                 1088K        7 
Foundation                          16K        1 
Kernel Alloc Once                   32K        1 
MALLOC                           265.3M       48 
MALLOC guard page                  192K       10 
MALLOC_MEDIUM (reserved)         720.0M        6         reserved VM address space (unallocated)
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
STACK GUARD                       54.5M        6 
Stack                             12.2M        7 
VM_ALLOCATE                        288K       18 
__AUTH                            1933K      191 
__AUTH_CONST                      11.4M      355 
__CTF                               756        1 
__DATA                            12.8M      349 
__DATA_CONST                      12.2M      367 
__DATA_DIRTY                       874K      121 
__FONT_DATA                          4K        1 
__LINKEDIT                       579.6M       13 
__OBJC_CONST                      1816K      163 
__OBJC_RO                         83.0M        1 
__OBJC_RW                         3152K        1 
__TEXT                           264.6M      381 
__UNICODE                          592K        1 
dyld private memory               1024K        1 
mapped file                      168.4M       29 
shared memory                      880K       15 
===========                     =======  ======= 
TOTAL                              2.5G     2161 
TOTAL, minus reserved VM space     1.4G     2161 

-----------
Full Report
-----------

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  "uptime" : 490000,
  "procLaunch" : "2022-07-07 15:56:12.0429 +0100",
  "procRole" : "Foreground",
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  "procExitAbsTime" : 11884014949755,
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  "procName" : "Emacs-arm64-11",
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  "parentPid" : 83690,
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  "crashReporterKey" : "053D4162-097E-498B-8271-FD08E58B5587",
  "responsiblePid" : 559,
  "responsibleProc" : "Terminal",
  "wakeTime" : 3859,
  "sleepWakeUUID" : "B40490E6-25CF-4FA7-BFEC-F3A26E0CB216",
  "sip" : "enabled",
  "vmRegionInfo" : "0x4 is not in any region.  Bytes before following region: 105553518919676\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      UNUSED SPACE AT START\n--->  \n      MALLOC_NANO (reserved)   600018000000-600020000000 [128.0M] rw-\/rwx SM=NUL  ...(unallocated)",
  "isCorpse" : 1,
  "exception" : {"codes":"0x0000000000000001, 0x0000000000000004","rawCodes":[1,4],"type":"EXC_BAD_ACCESS","signal":"SIGABRT","subtype":"KERN_INVALID_ADDRESS at 0x0000000000000004"},
  "ktriageinfo" : "VM - pmap_enter failed with resource shortage\nVM - pmap_enter failed with resource shortage\nVM - pmap_enter failed with resource shortage\nVM - pmap_enter failed with resource shortage\nVM - pmap_enter failed with resource shortage\n",
  "vmregioninfo" : "0x4 is not in any region.  Bytes before following region: 105553518919676\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      UNUSED SPACE AT START\n--->  \n      MALLOC_NANO (reserved)   600018000000-600020000000 [128.0M] rw-\/rwx SM=NUL  ...(unallocated)",
  "extMods" : {"caller":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"system":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"targeted":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"warnings":0},
  "faultingThread" : 0,
  "threads" : 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Model: MacBookPro18,3, BootROM 7459.121.3, proc 10:8:2 processors, 16 GB, SMC 
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In GNU Emacs 28.1 (build 1, aarch64-apple-darwin21.1.0, NS appkit-2113.00 Version 12.0.1 (Build 21A559))
 of 2022-05-11 built on armbob.lan
Windowing system distributor 'Apple', version 10.3.2113
System Description:  macOS 12.4

Configured using:
 'configure --with-ns '--enable-locallisppath=/Library/Application
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Configured features:
ACL GMP GNUTLS JSON LIBXML2 MODULES NOTIFY KQUEUE NS PDUMPER THREADS
TOOLKIT_SCROLL_BARS ZLIB

Important settings:
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  locale-coding-system: utf-8-unix

Major mode: mu4e:view

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Load-path shadows:
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/Users/stephen/.emacs.d/straight/build/csv-mode/csv-mode hides ~/langs/emacs/elisp-ds/csv-mode
~/langs/emacs/elisp-ds/emaxima/maxima hides ~/langs/emacs/maxima
~/langs/emacs/elisp-ds/emaxima/maxima-font-lock hides ~/langs/emacs/maxima-font-lock
/Users/stephen/.emacs.d/straight/build/transient/transient hides /Applications/Emacs.app/Contents/Resources/lisp/transient
~/langs/emacs/mspools hides /Applications/Emacs.app/Contents/Resources/lisp/mail/mspools
/Users/stephen/.emacs.d/straight/build/let-alist/let-alist hides /Applications/Emacs.app/Contents/Resources/lisp/emacs-lisp/let-alist

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button loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote threads kqueue cocoa ns multi-tty
make-network-process emacs)

Memory information:
((conses 16 856196 208075)
 (symbols 48 76838 5)
 (strings 32 239142 30744)
 (string-bytes 1 8299006)
 (vectors 16 107352)
 (vector-slots 8 2209870 143303)
 (floats 8 1046 961)
 (intervals 56 13166 13380)
 (buffers 992 136))