derek.holloway
7502bf64a4
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17 lines
676 B
C
17 lines
676 B
C
// RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \
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// RUN: -fsanitize=pointer-overflow -fsanitize-trap=pointer-overflow -emit-llvm %s -o - | FileCheck %s
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#include <stddef.h>
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#include <stdint.h>
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int *pointer_overflow(void) {
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int buf[4];
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volatile size_t n = (SIZE_MAX / sizeof(int)) - 1;
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return buf + n;
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}
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// CHECK-LABEL: @pointer_overflow
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// CHECK: call void @llvm.ubsantrap(i8 19) {{.*}}!dbg [[LOC:![0-9]+]]
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// CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}})
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// CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Pointer arithmetic overflowed bounds"
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