[PATCH] D69208: [asan] Provide an interface to update an allocation stack trace.

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis marked an inline comment as done.
eugenis added inline comments.


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Comment at: compiler-rt/include/sanitizer/asan_interface.h:320
+/// trace. Returns 1 if successfull, 0 if not.
+int __asan_update_allocation(void* addr);
+
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kcc wrote:
> Add some explanation of when it is going to be successful. 
> Also, what about threads? 
> This API is racey
Racey, as in someone could be deallocating this memory on another thread?
This API should be used in a situation when this is possible, of course.
It's exactly the same as malloc_usable_size().



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https://reviews.llvm.org/D69208