Files
clang-p2996/compiler-rt/test/msan/msan_dump_shadow.cpp
Vitaly Buka ef85ea9a4f [msan] Print both shadow and user address
before:
00 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00
Shadow map of [0x211000000005, 0x21100000012e), 297 bytes:
now:
0x2f60d213ac10[0x7f60d213ac10]  00 00 00 00 ff ff ff ff 00 00 00 00 00 00 00 00
Shadow map [0x211000000005, 0x21100000012e) of [0x711000000005, 0x711000000135), 297 bytes:

Differential Revision: https://reviews.llvm.org/D111261
2021-10-07 17:56:46 -07:00

23 lines
649 B
C++

// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out
// RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 -g %s -o %t && %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out
// RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -O0 -g %s -o %t && %run %t >%t.out 2>&1
// RUN: FileCheck %s < %t.out
#include <sanitizer/msan_interface.h>
int main(void) {
char *p = new char[16];
__msan_dump_shadow(p, 5);
delete[] p;
const char *q = "abc";
__msan_dump_shadow(q, 3);
return 0;
}
// CHECK: 0x{{[0-9a-f]+}}[0x{{[0-9a-f]+}}] ff ff ff ff ff
// CHECK: 0x{{[0-9a-f]+}}[0x{{[0-9a-f]+}}] 00 00 00