I add stack trace as logged in 'messages'.
-- System Information:Debian Release: 10.4  APT prefers stable-updates  APT 
policy: (500, 'stable-updates'), (500, 'stable')Architecture: amd64 (x86_64)
Kernel: Linux 5.2.0-0.bpo.2-amd64 (SMP w/16 CPU cores)Locale: LANG=en_DK.UTF-8, 
LC_CTYPE=ca_ES.UTF-8 (charmap=UTF-8), LANGUAGE=C:en:ca:es (charmap=UTF-8)Shell: 
/bin/sh linked to /usr/bin/dashInit: systemd (via /run/systemd/system)LSM: 
AppArmor: enabled
Versions of packages chromium depends on:ii  chromium-common                    
83.0.4103.116-1~deb10u2ii  libasound2                         1.1.8-1ii  
libatk-bridge2.0-0                 2.30.0-5ii  libatk1.0-0                      
  2.30.0-2ii  libatspi2.0-0                      2.30.0-7ii  libavcodec-extra58 
[libavcodec58]  7:4.1.4-1~deb10u1ii  libavformat58                      
7:4.1.4-1~deb10u1ii  libavutil56                        7:4.1.4-1~deb10u1ii  
libc6                              2.28-10ii  libcairo2                         
 1.16.0-4ii  libcups2                           2.2.10-6+deb10u3ii  libdbus-1-3 
                       1.12.16-1ii  libdrm2                            
2.4.97-1ii  libevent-2.1-6                     2.1.8-stable-4ii  libexpat1      
                    2.2.6-2+deb10u1ii  libflac8                           
1.3.2-3ii  libfontconfig1                     2.13.1-2ii  libfreetype6          
             2.9.1-3+deb10u1ii  libgbm1                            
18.3.6-2+deb10u1ii  libgcc1                            1:8.3.0-6ii  
libgdk-pixbuf2.0-0                 2.38.1+dfsg-1ii  libglib2.0-0                
       2.58.3-2+deb10u2ii  libgtk-3-0                         3.24.5-1ii  
libharfbuzz0b                      2.3.1-1ii  libicu63                          
 63.1-6+deb10u1ii  libjpeg62-turbo                    1:1.5.2-2+b1ii  
libjsoncpp1                        1.7.4-3ii  liblcms2-2                        
 2.9-3ii  libminizip1                        1.1-8+b1ii  libnspr4               
            2:4.20-1ii  libnss3                            2:3.42.1-1+deb10u2ii 
 libopenjp2-7                       2.3.0-2+deb10u1ii  libopus0                 
          1.3-1ii  libpango-1.0-0                     1.42.4-8~deb10u1ii  
libpangocairo-1.0-0                1.42.4-8~deb10u1ii  libpng16-16              
          1.6.36-6ii  libpulse0                          12.2-4+deb10u1ii  
libre2-5                           20190101+dfsg-2ii  libsnappy1v5              
         1.1.7-1ii  libstdc++6                         8.3.0-6ii  libvpx5       
                     1.7.0-3+deb10u1ii  libwebp6                           
0.6.1-2ii  libwebpdemux2                      0.6.1-2ii  libwebpmux3            
            0.6.1-2ii  libx11-6                           2:1.6.7-1ii  
libx11-xcb1                        2:1.6.7-1ii  libxcb-dri3-0                   
   1.13.1-2ii  libxcb1                            1.13.1-2ii  libxcomposite1    
                 1:0.4.4-2ii  libxcursor1                        1:1.1.15-2ii  
libxdamage1                        1:1.1.4-3+b3ii  libxext6                     
      2:1.3.3-1+b2ii  libxfixes3                         1:5.0.3-1ii  libxi6    
                         2:1.7.9-1ii  libxml2                            
2.9.4+dfsg1-7+b3ii  libxrandr2                         2:1.5.1-1ii  libxrender1 
                       1:0.9.10-1ii  libxslt1.1                         
1.1.32-2.2~deb10u1ii  libxss1                            1:1.2.3-1ii  libxtst6  
                         2:1.2.3-1ii  zlib1g                             
1:1.2.11.dfsg-1
Versions of packages chromium recommends:ii  chromium-sandbox  
83.0.4103.116-1~deb10u2
Versions of packages chromium suggests:pn  chromium-driver  <none>pn  
chromium-l10n    <none>pn  chromium-shell   <none>
Versions of packages chromium-common depends on:ii  x11-utils  7.7+4ii  
xdg-utils  1.1.3-1+deb10u1
Versions of packages chromium-common recommends:ii  chromium-sandbox            
       83.0.4103.116-1~deb10u2ii  fonts-liberation                   
1:1.07.4-9ii  gnome-shell [notification-daemon]  3.30.2-11~deb10u1ii  
libgl1-mesa-dri                    18.3.6-2+deb10u1ii  libu2f-udev              
          1.1.9-1ii  notification-daemon                3.20.0-4ii  upower      
                       0.99.10-1
Versions of packages chromium-sandbox depends on:ii  libc6  2.28-10
-- no debconf information

-- from /var/log/messages:
Jul  5 15:59:23 vernalis chromium.desktop[1631]: Received signal 11 SEGV_MAPERR 
7f01444fab77Jul  5 15:59:23 vernalis chromium.desktop[1631]: #0 0x557c5caba469 
(/usr/lib/chromium/chromium+0x51f9468)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #1 0x557c5ca18193 
(/usr/lib/chromium/chromium+0x5157192)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #2 0x557c5cab9ff1 
(/usr/lib/chromium/chromium+0x51f8ff0)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #3 0x7fa56b457730 
(/usr/lib/x86_64-linux-gnu/libpthread-2.28.so+0x1272f)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #4 0x7fa565362d48 
(/usr/lib/x86_64-linux-gnu/libc-2.28.so+0x7fd47)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #5 0x7fa565365a58 
(/usr/lib/x86_64-linux-gnu/libc-2.28.so+0x82a57)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #6 0x7fa56536756a __libc_mallocJul  5 15:59:23 vernalis 
chromium.desktop[1631]: #7 0x557c5cad1bee operator new()Jul  5 15:59:23 
vernalis chromium.desktop[1631]: #8 0x7fa5655dc3cd 
std::__cxx11::basic_string<>::reserve()Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #9 0x7fa5655d0845 
std::__cxx11::basic_stringbuf<>::overflow()Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #10 0x7fa5655da9cb std::basic_streambuf<>::xsputn()Jul  
5 15:59:23 vernalis chromium.desktop[1631]: #11 0x7fa5655cbb34 
std::__ostream_insert<>()Jul  5 15:59:23 vernalis chromium.desktop[1631]: #12 
0x557c5caba7b9 (/usr/lib/chromium/chromium+0x51f97b8)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #13 0x557c5caba844 
(/usr/lib/chromium/chromium+0x51f9843)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #14 0x557c5ca2a9d2 
(/usr/lib/chromium/chromium+0x51699d1)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #15 0x557c5ca2cb1e 
(/usr/lib/chromium/chromium+0x516bb1d)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #16 0x557c5b19562a 
(/usr/lib/chromium/chromium+0x38d4629)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #17 0x557c5b19567e 
(/usr/lib/chromium/chromium+0x38d467d)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #18 0x557c5a83b98f 
(/usr/lib/chromium/chromium+0x2f7a98e)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #19 0x557c5b14f559 
(/usr/lib/chromium/chromium+0x388e558)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #20 0x557c5b14f79e 
(/usr/lib/chromium/chromium+0x388e79d)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #21 0x557c5b198e67 
(/usr/lib/chromium/chromium+0x38d7e66)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #22 0x557c5b1c4ac2 
(/usr/lib/chromium/chromium+0x3903ac1)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #23 0x557c5b1c4d7e 
(/usr/lib/chromium/chromium+0x3903d7d)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #24 0x557c5b19563f 
(/usr/lib/chromium/chromium+0x38d463e)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #25 0x557c5b19567e 
(/usr/lib/chromium/chromium+0x38d467d)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #26 0x557c5a83b98f 
(/usr/lib/chromium/chromium+0x2f7a98e)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #27 0x557c5aaf2f53 
(/usr/lib/chromium/chromium+0x3231f52)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #28 0x557c5ae1de22 
(/usr/lib/chromium/chromium+0x355ce21)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #29 0x557c5cbedaff 
(/usr/lib/chromium/chromium+0x532cafe)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #30 0x557c5cbf4274 
(/usr/lib/chromium/chromium+0x5333273)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #31 0x557c5cbf216d 
(/usr/lib/chromium/chromium+0x533116c)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #32 0x557c5cbf0e2c 
(/usr/lib/chromium/chromium+0x532fe2b)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #33 0x557c5cbe9913 
(/usr/lib/chromium/chromium+0x5328912)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #34 0x557c5cc0577b 
(/usr/lib/chromium/chromium+0x534477a)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #35 0x557c5cc05a41 
(/usr/lib/chromium/chromium+0x5344a40)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #36 0x557c5cc05040 
(/usr/lib/chromium/chromium+0x534403f)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #37 0x557c5aadbe26 
(/usr/lib/chromium/chromium+0x321ae25)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #38 0x557c5aadb94c 
(/usr/lib/chromium/chromium+0x321a94b)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #39 0x557c5aad7d51 
(/usr/lib/chromium/chromium+0x3216d50)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #40 0x557c5aace61b 
(/usr/lib/chromium/chromium+0x320d61a)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #41 0x557c5aac0f1b 
(/usr/lib/chromium/chromium+0x31fff1a)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #42 0x557c5aac0c03 
(/usr/lib/chromium/chromium+0x31ffc02)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #43 0x557c5aadf9a6 
(/usr/lib/chromium/chromium+0x321e9a5)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #44 0x557c5cad728a 
(/usr/lib/chromium/chromium+0x5216289)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #45 0x7fa5698709ba 
(/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6.0.2+0x229b9)Jul  5 15:59:23 
vernalis chromium.desktop[1631]: #46 0x7fa569871537 event_base_loopJul  5 
15:59:23 vernalis chromium.desktop[1631]: #47 0x557c5cad7510 
(/usr/lib/chromium/chromium+0x521650f)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #48 0x557c5ca76c05 
(/usr/lib/chromium/chromium+0x51b5c04)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #49 0x557c5ca4ea1d 
(/usr/lib/chromium/chromium+0x518da1c)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #50 0x557c5adb9d93 
(/usr/lib/chromium/chromium+0x34f8d92)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #51 0x557c5ca8d3f7 
(/usr/lib/chromium/chromium+0x51cc3f6)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #52 0x557c5caca0ce 
(/usr/lib/chromium/chromium+0x52090cd)Jul  5 15:59:23 vernalis 
chromium.desktop[1631]: #53 0x7fa56b44cfa3 start_threadJul  5 15:59:23 vernalis 
chromium.desktop[1631]: #54 0x7fa5653dc4cf cloneJul  5 15:59:23 vernalis 
chromium.desktop[1631]:   r8: 0000000000000024  r9: 00007fa544000030 r10: 
0000000000000020 r11: 00007fa544000080Jul  5 15:59:23 vernalis 
chromium.desktop[1631]:  r12: 00007fa5445e2270 r13: 0000000000000051 r14: 
00007fa544000020 r15: 0000000000000081Jul  5 15:59:23 vernalis 
chromium.desktop[1631]:   di: 00007fa544000020  si: 0000000000000021  bp: 
00007f01444fab6f  bx: 0000000000000000Jul  5 15:59:23 vernalis 
chromium.desktop[1631]:   dx: 0000000000000020  ax: 00007f01444fab6f  cx: 
00007fa5444f2180  sp: 00007fa5562d38c0Jul  5 15:59:23 vernalis 
chromium.desktop[1631]:   ip: 00007fa565362d48 efl: 0000000000010206 cgf: 
002b000000000033 erf: 0000000000000004Jul  5 15:59:23 vernalis 
chromium.desktop[1631]:  trp: 000000000000000e msk: 0000000000000000 cr2: 
00007f01444fab77Jul  5 15:59:23 vernalis chromium.desktop[1631]: [end of stack 
trace]Jul  5 15:59:23 vernalis chromium.desktop[1631]: Calling _exit(1). Core 
file will not be generated.
-- end from /var/log/messages:


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