http://llvm.org/bugs/show_bug.cgi?id=17116
Bug ID: 17116
Summary: StackTrace::SlowUnwindStack dead locked
Product: compiler-rt
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: compiler-rt
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
when asan try the get the stack trace from malloc,StackTrace::SlowUnwindStack
invoking _Unwind_Backtrace,which is also trying to invoke malloc.And because
the previous _Unwind_Backtrace holds a lock ,the program is dead locked.
ASAN_OPTIONS=fast_unwind_on_malloc=0
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