Comment #1 on issue 365 by [email protected]: On OS X when not
re-execing, ASan overwrites already used memory
https://code.google.com/p/address-sanitizer/issues/detail?id=365
There already is a check that the shadow memory range does not interleave
with the existing library mappings. It's possible to also check for
anonymous mappings as well, but that might be quite slow.
I think we just need to remove the allow_reexec flag and print a warning
suggesting to manually run with DYLD_INSERT_LIBRARIES if re-exec fails.
Will that cover your use cases?
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