Bisect points to https://chromium-review.googlesource.com/c/chromium/src/+/1011288 as the culprit of some recent WebXR renderer crashes. Specifically, the failing tests are:

WebVrTransitionTest#testNonExclusiveStopsDuringExclusive
WebVrInputTest#testAppButtonAfterPageStopsSubmitting_WebXr
WebVrInputTest#testPresentationLocksFocus_WebXr
WebVrInputTest#testControllerClicksRegisteredOnDaydream_WebXr

gn args used by the bot:
ffmpeg_branding = "Chrome"
include_vr_data = true
is_component_build = false
is_debug = true
proprietary_codecs = true
strip_absolute_paths_from_debug_symbols = true
symbol_level = 1
target_os = "android"
use_goma = true

Symbolized stack trace is attached.
 

Deleted: focus_renderer_crash.txt 19.3 KB

focus_renderer_crash.txt 19.3 KB View Download