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llvm-project/compiler-rt
Kuba Mracek 6b6d9bbd48 [sanitizer] Avoid calling a nullptr in MonotonicNanoTime if interceptors are not yet initialized
There's a TSan startup crash on Linux when used in Swift programs, where MonotonicNanoTime will try to call real_clock_gettime and then jump to NULL because interceptors are not yet initialized. This is on Ubuntu 18.04. Looks like TSan's main Initialize() function is called at a point where __progname is already set, but interceptors aren't yet set up. Let's fix this by checking whether interceptors are initialized in MonotonicNanoTime.

Differential Revision: https://reviews.llvm.org/D53528

llvm-svn: 345174
2018-10-24 18:40:08 +00:00
..
2018-06-18 12:22:17 +00:00

Compiler-RT
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This directory and its subdirectories contain source code for the compiler
support routines.

Compiler-RT is open source software. You may freely distribute it under the
terms of the license agreement found in LICENSE.txt.

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