3f7c3e84ad
Update both thread and stack. Update thread and stack as atomic operation. Keep all 32bit of TID as now we have enough bits. Depends on D87135. Reviewed By: morehouse Differential Revision: https://reviews.llvm.org/D87217
33 lines
979 B
C++
33 lines
979 B
C++
// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: not %run %t 10 0 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefixes=CHECK,T0
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// RUN: not %run %t 10000000 0 2>&1 | FileCheck %s --check-prefixes=CHECK,T0
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// RUN: not %run %t 10 1 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefixes=CHECK,T1
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// RUN: not %run %t 10000000 1 2>&1 | FileCheck %s --check-prefixes=CHECK,T1
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// REQUIRES: stable-runtime
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#include <sanitizer/asan_interface.h>
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#include <stdlib.h>
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#include <thread>
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void UPDATE(void *p) {
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__asan_update_allocation_context(p);
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}
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int main(int argc, char *argv[]) {
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char *x = (char *)malloc(atoi(argv[1]) * sizeof(char));
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if (atoi(argv[2]))
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std::thread([&]() { UPDATE(x); }).join();
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else
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UPDATE(x);
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free(x);
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return x[5];
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// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
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// CHECK: READ of size 1 at {{.*}} thread T0
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// T0: allocated by thread T0 here
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// T1: allocated by thread T1 here
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// CHECK: UPDATE
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}
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