================
@@ -164,6 +164,19 @@ To summarize:
``-fsanitize-address-use-after-return=<mode>``
* ``always``: Enables detection of UAR errors in all cases. (reduces code
size, but not as much as ``never``).
+Container Overflow Detection
+----------------------------
+
+AddressSanitizer can detect overflows in containers with custom allocators
+(such as std::vector) where the Library developers have added calls into the
+AddressSanitizer runtime to indicate which memory is poisoned etc.
+
+In environments where not all the process binaries can be recompiled with
+AddressSanitizer enabled, these checks can cause false positives.
----------------
ldionne wrote:
Can they also cause crashes?
https://github.com/llvm/llvm-project/pull/163468
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