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29 lines
952 B
29 lines
952 B
4 months ago
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// Test with "-O2" only to make sure inlining (leading to use-after-scope)
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// happens. "always_inline" is not enough, as Clang doesn't emit
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// llvm.lifetime intrinsics at -O0.
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//
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// RUN: %clangxx_asan -O2 -fsanitize-address-use-after-scope %s -o %t && \
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// RUN: not %run %t 2>&1 | FileCheck %s
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int *arr;
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__attribute__((always_inline))
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void inlined(int arg) {
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int x[5];
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for (int i = 0; i < arg; i++) x[i] = i;
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arr = x;
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}
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int main(int argc, char *argv[]) {
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inlined(argc);
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return arr[argc - 1]; // BOOM
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// CHECK: ERROR: AddressSanitizer: stack-use-after-scope
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// CHECK: READ of size 4 at 0x{{.*}} thread T0
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// CHECK: #0 0x{{.*}} in main
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// CHECK: {{.*}}use-after-scope-inlined.cpp:[[@LINE-4]]
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// CHECK: Address 0x{{.*}} is located in stack of thread T0 at offset [[OFFSET:[^ ]*]] in frame
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// CHECK: {{.*}} in main
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// CHECK: This frame has
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// CHECK: {{\[}}[[OFFSET]], {{.*}}) 'x.i' (line [[@LINE-15]])
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}
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