| 1 | // Test with "-O2" only to make sure inlining (leading to use-after-scope) |
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| 2 | // happens. "always_inline" is not enough, as Clang doesn't emit |
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| 3 | // llvm.lifetime intrinsics at -O0. |
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| 4 | // |
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| 5 | // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s |
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| 6 | |
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| 7 | // MSVC marks this as xfail because it doesn't generate the metadata to display the "x.i" offset. |
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| 8 | // XFAIL: msvc |
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| 9 | #include "defines.h" |
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| 10 | |
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| 11 | int *arr; |
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| 12 | |
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| 13 | ATTRIBUTE_ALWAYS_INLINE |
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| 14 | void inlined(int arg) { |
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| 15 | int x[5]; |
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| 16 | for (int i = 0; i < arg; i++) x[i] = i; |
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| 17 | arr = x; |
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| 18 | } |
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| 19 | |
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| 20 | int main(int argc, char *argv[]) { |
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| 21 | inlined(arg: argc); |
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| 22 | return arr[argc - 1]; // BOOM |
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| 23 | // CHECK: ERROR: AddressSanitizer: stack-use-after-scope |
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| 24 | // CHECK: READ of size 4 at 0x{{.*}} thread T0 |
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| 25 | // CHECK: #0 0x{{.*}} in main |
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| 26 | // CHECK: {{.*}}use-after-scope-inlined.cpp:[[@LINE-4]] |
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| 27 | // CHECK: Address 0x{{.*}} is located in stack of thread T0 at offset [[OFFSET:[^ ]*]] in frame |
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| 28 | // CHECK: {{.*}} in main |
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| 29 | // CHECK: This frame has |
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| 30 | // CHECK: {{\[}}[[OFFSET]], {{.*}}) 'x' (line [[@LINE-15]]) |
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| 31 | } |
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| 32 | |
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