Hang and crash authenticating credentials for Brave Premium

[stephendonner]

Description

Hang and crash authenticating credentials for Brave Premium

Steps to Reproduce

1. new profile
2. launch Brave
3. load https://talk.brave.software/
4. sign up/log in to your Premium-enabled account
5. click on the Start Premium call button

Actual result:

While it checked credentials, I got a hang, followed by crashes here:

[ 00 ] 0x7fff2049c92e
[ 01 ] 0x7fff20420406
[ 02 ] malloc_vreport
[ 03 ] malloc_zone_error
[ 04 ] small_free_list_remove_ptr_no_clear
[ 05 ] small_malloc_from_free_list
[ 06 ] small_malloc_should_clear
[ 07 ] szone_malloc_should_clear
[ 08 ] 0x114b55095
[ 09 ] 0x114b55095
[ 10 ] _malloc_zone_malloc
[ 11 ] 0x1109bb7a8
[ 12 ] 0x11374c982
[ 13 ] 0x11374c263
[ 14 ] 0x11374392c
[ 15 ] 0x1137ba249
[ 16 ] 0x11374bb35
[ 17 ] 0x113771476
[ 18 ] 0x113797482
[ 19 ] 0x1188a134d
[ 20 ] 0x113e61a5f
[ 21 ] 0x113e791a7
[ 22 ] 0x113e75581
[ 23 ] 0x1119154c9
[ 24 ] 0x11111b187
[ 25 ] 0x114ce96c0
[ 26 ] 0x114ced6d9
[ 27 ] 0x114cea9ed
[ 28 ] 0x114cf12b2
[ 29 ] 0x114cf0a6b
[ 30 ] 0x114ced6d9
[ 31 ] 0x114ce69d4
[ 32 ] 0x114ce7167
[ 33 ] 0x114d026ae
[ 34 ] 0x114af4513
[ 35 ] 0x114b0881e
[ 36 ] 0x114b0854b
[ 37 ] 0x114b08be2
[ 38 ] 0x114b4bfe3
[ 39 ] 0x114b46722
[ 40 ] 0x114b4b9ff
[ 41 ] 0x7fff205c32bc
[ 42 ] 0x7fff205c3224
[ 43 ] 0x7fff205c2fa4
[ 44 ] 0x7fff205c19cc
[ 45 ] 0x7fff205c0f8c
[ 46 ] 0x7fff21352607
[ 47 ] 0x114b4c4de
[ 48 ] 0x114b4b533
[ 49 ] 0x114b08e20
[ 50 ] 0x114ad3deb
[ 51 ] 0x11a4ebbc0
[ 52 ] 0x1144b98b4
[ 53 ] 0x1144b82cb
[ 54 ] 0x1144b8cce
[ 55 ] 0x1109bc602
[ 56 ] 0x10c134fba
[ 57 ] 0x7fff204e6f3d
[ 58 ] 0x7fff204e6f3d

example	example

Expected result:

No hang, no crash

Reproduces how often:

Only reproduced the initial problem once

Brave version (brave://version info)

Brave	1.30.81 Chromium: 94.0.4606.50 (Official Build) (x86_64)
Revision	0c1ac2c4842a4746c27c937c1a0453f98da1a972-refs/branch-heads/4606@{#1049}
OS	macOS Version 11.6 (Build 20G165)

[stephendonner]

FWIW, this crash looks an awful lot like #18562.

@goodov I don't have a good stack trace w/symbols for this, but do you agree the timing looks suspicious (shows up when Creating meeting room... which loads WASM for the Brave Rewards SDK, upon press of the Start free 1:1 call (after enabling Rewards & Ads)?

[goodov]

Yes, I think this is the same bug, the chromium version is also 94.x.x.x. In backtrace I see that the first crash appeared on Sep 22, so everything comes together.

[stephendonner]

Closing as a duplicate; thanks @goodov