c478139613
This reverts commit d4f6fcf5aaa0911a91317c0b06779f13077d6b58. Relanding with fixed obj_offset calculation (precedence of operations was wrong), and the suggestion in https://github.com/llvm/llvm-project/pull/95308#discussion_r1714317539
31 lines
2.0 KiB
C++
31 lines
2.0 KiB
C++
// RUN: rm -rf %t; mkdir %t
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// RUN: %clang_hwasan -Wl,--build-id -g %s -o %t/hwasan_overflow
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow 16 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=CHECK,AFTER0
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow 17 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=CHECK,AFTER1
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow -1 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=CHECK,BEFORE1
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow -17 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=CHECK,BEFORE17
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow 1016 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=CHECK,AFTER1000
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow -1000 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=CHECK,BEFORE1000
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// RUN: %env_hwasan_opts=symbolize=0 not %run %t/hwasan_overflow 1000000 2>&1 | hwasan_symbolize --symbols %t --index | FileCheck %s --check-prefixes=TOOFAR
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// REQUIRES: aarch64-target-arch
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#include <stdlib.h>
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static volatile char sink;
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int main(int argc, char **argv) {
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volatile char x[16];
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sink = x[atoi(argv[1])];
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// TOOFAR-NOT: Potentially referenced stack object:
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// CHECK: Potentially referenced stack object:
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// AFTER0: 0 bytes after a variable "x" in stack frame of function "main"
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// AFTER1: 1 bytes after a variable "x" in stack frame of function "main"
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// BEFORE1: 1 bytes before a variable "x" in stack frame of function "main"
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// BEFORE17: 17 bytes before a variable "x" in stack frame of function "main"
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// BEFORE1000: 1000 bytes before a variable "x" in stack frame of function "main"
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// AFTER1000: 1000 bytes after a variable "x" in stack frame of function "main"
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// CHECK: at {{.*}}hwasan_symbolize_stack_overflow.cpp:[[@LINE-10]]
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return 0;
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}
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