forked from OSchip/llvm-project
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
// RUN: %clang_hwasan -O1 %s -o %t
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// RUN: %env_hwasan_opts=stack_history_size=1 not %run %t 2>&1 | FileCheck %s --check-prefix=D1
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// RUN: %env_hwasan_opts=stack_history_size=2 not %run %t 2>&1 | FileCheck %s --check-prefix=D2
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// RUN: %env_hwasan_opts=stack_history_size=3 not %run %t 2>&1 | FileCheck %s --check-prefix=D3
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// RUN: %env_hwasan_opts=stack_history_size=5 not %run %t 2>&1 | FileCheck %s --check-prefix=D5
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// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=DEFAULT
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// REQUIRES: stable-runtime
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// Stack histories are currently not recorded on x86.
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// XFAIL: x86_64
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#include <stdlib.h>
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// At least -O1 is needed for this function to not have a stack frame on
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// AArch64.
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void USE(void *x) { // pretend_to_do_something(void *x)
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__asm__ __volatile__("" : : "r" (x) : "memory");
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}
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volatile int four = 4;
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__attribute__((noinline)) void OOB() { int x[4]; x[four] = 0; USE(&x[0]); }
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__attribute__((noinline)) void FUNC1() { int x; USE(&x); OOB(); }
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__attribute__((noinline)) void FUNC2() { int x; USE(&x); FUNC1(); }
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__attribute__((noinline)) void FUNC3() { int x; USE(&x); FUNC2(); }
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__attribute__((noinline)) void FUNC4() { int x; USE(&x); FUNC3(); }
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__attribute__((noinline)) void FUNC5() { int x; USE(&x); FUNC4(); }
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__attribute__((noinline)) void FUNC6() { int x; USE(&x); FUNC5(); }
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__attribute__((noinline)) void FUNC7() { int x; USE(&x); FUNC6(); }
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__attribute__((noinline)) void FUNC8() { int x; USE(&x); FUNC7(); }
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__attribute__((noinline)) void FUNC9() { int x; USE(&x); FUNC8(); }
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__attribute__((noinline)) void FUNC10() { int x; USE(&x); FUNC9(); }
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int main() { FUNC10(); }
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// D1: Previously allocated frames
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// D1: in OOB
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// D1-NOT: in FUNC
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// D1: Memory tags around the buggy address
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// D2: Previously allocated frames
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// D2: in OOB
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// D2: in FUNC1
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// D2-NOT: in FUNC
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// D2: Memory tags around the buggy address
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// D3: Previously allocated frames
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// D3: in OOB
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// D3: in FUNC1
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// D3: in FUNC2
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// D3-NOT: in FUNC
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// D3: Memory tags around the buggy address
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// D5: Previously allocated frames
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// D5: in OOB
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// D5: in FUNC1
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// D5: in FUNC2
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// D5: in FUNC3
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// D5: in FUNC4
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// D5-NOT: in FUNC
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// D5: Memory tags around the buggy address
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// DEFAULT: Previously allocated frames
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// DEFAULT: in OOB
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// DEFAULT: in FUNC1
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// DEFAULT: in FUNC2
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// DEFAULT: in FUNC3
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// DEFAULT: in FUNC4
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// DEFAULT: in FUNC5
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// DEFAULT: in FUNC6
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// DEFAULT: in FUNC7
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// DEFAULT: in FUNC8
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// DEFAULT: in FUNC9
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// DEFAULT: in FUNC10
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// DEFAULT-NOT: in FUNC
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// DEFAULT: Memory tags around the buggy address
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