25 lines
869 B
C++
25 lines
869 B
C++
// RUN: %clangxx_asan -O0 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t
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// RUN: not %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O1 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t
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// RUN: not %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O2 -fsanitize-address-zero-base-shadow -fPIE -pie %s -o %t
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// RUN: not %t 2>&1 | FileCheck %s
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// Zero-base shadow only works on x86_64 and i386.
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// REQUIRES: i386-supported-target, asan-32-bits
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#include <string.h>
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int main(int argc, char **argv) {
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char x[10];
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memset(x, 0, 10);
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int res = x[argc * 10]; // BOOOM
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// CHECK: {{READ of size 1 at 0x.* thread T0}}
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// CHECK: {{ #0 0x.* in main .*zero-base-shadow32.cc:}}[[@LINE-2]]
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// CHECK: {{Address 0x.* is .* frame}}
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// CHECK: main
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// Check that shadow for stack memory occupies lower part of address space.
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// CHECK: =>0x1
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return res;
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}
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