tree 4b28f495d1a1f5d637c0e51c73f80f1f2dc23c5d
parent 501b2adf4613dfa8c6aee5672b179ac8e639afdc
author Kathan Shukla <kathan@google.com> 1603393702 -0700
committer Anis Assi <anisassi@google.com> 1605210450 -0800

Grpc Graph - fix use after free

GrpcGraph initializes StreamSetObserver - which triggers a thread to
notify GrpcGraph of termination. If GrpcGraph is destroyed, this will
result in use after free. Fix this by enforcing that GrpcGraph object is
not destroyed before StreamSetObserver.

Bug: 170407229
Test: build, unit test and fuzz test
Change-Id: I8b24f72af60c441ebd7a31939769c46589431cfe
Merged-In: I8b24f72af60c441ebd7a31939769c46589431cfe
(cherry picked from commit 3f53bf0525bd5c21ff6cc3235b93cb26a7866ea8)