tree cda0376028a065cb6fcfbaf11dfa13f098caa1bf
parent b4ef0beb990d02600cad57096bcd20c9d646c8fa
author Colin Cross <ccross@android.com> 1553122974 -0700
committer Colin Cross <ccross@android.com> 1553123212 -0700

Catch SIGBUS in HeapWalker

SIGBUS shouldn't happen, since all of the regions being walked
were previously read out of /prod/pid/maps, but it seems to happen
rarely.  Catch it so it can produce a better log message.

Bug: 128983715
Test: atest memunreachable_test
Change-Id: I82d3941a382a0451c0dda12f5eb849ad8d697bc9