History log of /llvm-project-15.0.7/compiler-rt/test/msan/dtor-base-access.cpp (Results 1 – 3 of 3)
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# eb4d2291 15-Apr-2022 Vitaly Buka <[email protected]>

[msan] Set poison_in_dtor=1 by default

It's still disabled by default at compile time.

Reviewed By: kstoimenov

Differential Revision: https://reviews.llvm.org/D123875


Revision tags: llvmorg-14.0.1
# c5ea8e91 16-Mar-2022 Evgenii Stepanov <[email protected]>

Use-after-dtor detection for trivial base classes.

-fsanitize-memory-use-after-dtor detects memory access after a
subobject is destroyed but its memory is not yet deallocated.
This is done by poison

Use-after-dtor detection for trivial base classes.

-fsanitize-memory-use-after-dtor detects memory access after a
subobject is destroyed but its memory is not yet deallocated.
This is done by poisoning each object memory near the end of its destructor.

Subobjects (members and base classes) do this in their respective
destructors, and the parent class does the same for its members with
trivial destructors.

Inexplicably, base classes with trivial destructors are not handled at
all. This change fixes this oversight by adding the base class poisoning logic
to the parent class destructor.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D119300

show more ...


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# d21b3d34 02-Aug-2019 Fangrui Song <[email protected]>

compiler-rt: Rename .cc file in test/msan to .cpp

Like r367463, but for test/msan.

llvm-svn: 367653