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Mark asan fake stacks during machine stack marking

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ASAN leaves a pointer to the fake frame on the stack; we can use the
__asan_addr_is_in_fake_stack API to work out the extent of the fake
stack and thus mark any VALUEs contained therein.

[Bug #20001]
This commit is contained in:
KJ Tsanaktsidis 2023-11-12 16:19:31 +11:00
parent bdafad8790
commit d10bc3a2b8
8 changed files with 157 additions and 7 deletions
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ext/objspace/depend
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@ -182,6 +182,7 @@ object_tracing.o: $(top_srcdir)/internal/basic_operators.h
object_tracing.o: $(top_srcdir)/internal/compilers.h
object_tracing.o: $(top_srcdir)/internal/gc.h
object_tracing.o: $(top_srcdir)/internal/imemo.h
object_tracing.o: $(top_srcdir)/internal/sanitizers.h
object_tracing.o: $(top_srcdir)/internal/serial.h
object_tracing.o: $(top_srcdir)/internal/static_assert.h
object_tracing.o: $(top_srcdir)/internal/vm.h