[compiler-rt] [asan] Fix `unknown-crash` being reported for multi-byte errors, and incorrect memory access addresses being reported (PR #144480)

[Thurston Dang via llvm-commits]

thurstond wrote:

Sorry for the late reply.

> should I leave it as the while-loop, remove the wild pointer test, or maybe something else?

Leave it as the while-loop.

> the original wild_pointer.cpp (tentatively renamed to heap-overflow-large-read.cpp)

wild_pointer.cpp is the only ASan test case for "is a wild pointer". Please ensure there is test coverage for it (i.e., while it's ok to rename wild_pointer.cpp to heap-overflow-large-read.cpp since that is what it is now considered, please add back a bona fide wild pointer test).


https://github.com/llvm/llvm-project/pull/144480