Segfault after a few seconds on ubuntu bionic with the new version 1.2.1

Description of the issue:

After the last update of Brave, using it a few seconds make it crash (totally closes itself).

Looking at dmesg, I can see segfault in the log

[  233.173832] brave[6909]: segfault at afd ip 0000557054b98516 sp 00007ffdf08d3d00 error 6 in brave[5570504b7000+767e000]
[  243.818527] brave[7185]: segfault at c11 ip 000055562a6a8516 sp 00007ffc9be7d3c0 error 6 in brave[555625fc7000+767e000]
[  253.143653] brave[7279]: segfault at c6f ip 0000563235205516 sp 00007fffcceefd80 error 6 in brave[563230b24000+767e000]
[  263.327616] VizCompositorTh[7396]: segfault at cde ip 0000563feaad0516 sp 00007f4baa2ddd40 error 6 in brave[563fe63ef000+767e000]
[  273.723860] VizCompositorTh[7465]: segfault at d23 ip 00005633d6829516 sp 00007f7ec5084d40 error 6 in brave[5633d2148000+767e000]
[  286.977556] VizCompositorTh[7506]: segfault at d4c ip 00005615898ff516 sp 00007f34cba26d40 error 6 in brave[56158521e000+767e000]
[  297.489368] VizCompositorTh[7523]: segfault at d5c ip 00005571c7887516 sp 00007f2f6317fd40 error 6 in brave[5571c31a6000+767e000]
[  325.769862] VizCompositorTh[7564]: segfault at d85 ip 000055928ab85516 sp 00007f85f037ad40 error 6 in brave[5592864a4000+767e000]
[  339.105887] VizCompositorTh[7632]: segfault at dc9 ip 0000560210ff5516 sp 00007fce32e8ad40 error 6 in brave[56020c914000+767e000]
[  339.123203] traps: Chrome_IOThread[6893] trap int3 ip:55f7bc96796d sp:7efdaefa7610 error:0 in brave[55f7b9b0a000+767e000]

Steps to Reproduce (add as many as necessary): 1. 2. 3.

  1. Open Brave
  2. Use it
  3. It crashes after ±30s

Actual Result (gifs and screenshots are welcome!):

Brave closes

Expected result:

Don’t segfault

Reproduces how often:

Every time

Operating System and Brave Version(See the About Brave page in the main menu):

My OS:

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.3 LTS
Release:	18.04
Codename:	bionic

Brave :

Version 1.1.21 Chromium: 79.0.3945.79 (Official Build) (64-bit)

Additional Information:

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