fix asan crashes #572
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fix asan crashes #572
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Recent changes to Linux has started causing asan to crash with SEGV; see https://stackoverflow.com/questions/77672217/gcc-fsanitize-address-results-in-an-endless-loop-on-program-that-does-nothing/77994596#77994596.
Apparently, the changes have reached GitHub Actions, and our ASAN tests now failing.
This PR fixes the issue by adding the sysctl recommended in the stackoverflow Q&A linked above.