github: set kernel.randomize_va_space=0 for asan build #5802
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Problem: Recent kernel address space layout randomization (ASLR) appears to confuse some versions of address sanitizers, leading to random failures in github CI. Disable kernel.randomize_va_space for the github asan build to avoid these failures. Thanks to @vchuravy for pointing out the issue. Since LD_PRELOAD of libasan wasn't the root cause, reinstate preloading the libasan library to get as full coverage as possible. Fixes flux-framework#5801.
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Thanks! I've set MWP. |
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Problem: Recent kernel address space layout randomization (ASLR) appears to confuse some versions of address sanitizers, leading to random failures in github CI.
Disable kernel.randomize_va_space for the github asan build to avoid these failures. Thanks to @vchuravy for pointing out the issue.
Since LD_PRELOAD of libasan wasn't the root cause, reinstate preloading the libasan library to get as full coverage as possible.
Fixes #5801.