Bug#963548: Received signal 11 SEGV_MAPERR

[積丹尼 Dan Jacobson]

The aw snaps are Error code: 256
https://bugs.chromium.org/p/chromium/issues/detail?id=1098264
Easy to prove via browsing youtube videos.
Suddenly affecting chromium 81 too, so obviously some part of the
browser that is updated not via debian.