47 lines · c
1// RUN: %clang_hwasan -ffixed-x10 -ffixed-x11 -ffixed-x23 -ffixed-x27 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK2// RUN: %clang_hwasan -ffixed-x10 -ffixed-x11 -ffixed-x23 -ffixed-x27 -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK3// RUN: %clang_hwasan -ffixed-x10 -ffixed-x11 -ffixed-x23 -ffixed-x27 -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK4// RUN: %clang_hwasan -ffixed-x10 -ffixed-x11 -ffixed-x23 -ffixed-x27 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK5// REQUIRES: aarch64-target-arch6 7// RUN: %clang_hwasan -ffixed-x10 -ffixed-x11 -ffixed-x23 -ffixed-x27 -O2 %s -o %t && not %env_hwasan_opts=fast_unwind_on_fatal=true %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK8// RUN: %clang_hwasan -ffixed-x10 -ffixed-x11 -ffixed-x23 -ffixed-x27 -O2 %s -o %t && not %env_hwasan_opts=fast_unwind_on_fatal=false %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK9 10#include <stdlib.h>11#include <stdio.h>12#include <sanitizer/hwasan_interface.h>13 14int main() {15 __hwasan_enable_allocator_tagging();16 char * volatile x = (char*) malloc(10);17 asm volatile("mov x10, #0x2222\n"18 "mov x23, #0x3333\n"19 "mov x27, #0x4444\n"20 "mov x11, sp\n");21 return x[16];22 23 // CHECK: ERROR: HWAddressSanitizer:24 // First frame might be __hwasan_tag_mismatch<...> so main could be frame 0 or 1.25 // CHECK: #{{(0|1) .*}} in main {{.*}}register-dump-read.c:[[@LINE-4]]26 27 // Developer note: FileCheck really doesn't like when you have a regex that28 // ends with a '}' character, e.g. the regex "[0-9]{10}" will fail, because29 // the closing '}' fails as an "unbalanced regex". We work around this by30 // encasing the trailing space after a register, or the end-of-line specifier.31 32 // CHECK: Registers where the failure occurred33 // CHECK-NEXT: x0{{[ ]+[0-9a-f]{16}[ ]}}x1{{[ ]+[0-9a-f]{16}[ ]}}x2{{[ ]+[0-9a-f]{16}[ ]}}x3{{[ ]+[0-9a-f]{16}$}}34 // CHECK-NEXT: x4{{[ ]+[0-9a-f]{16}[ ]}}x5{{[ ]+[0-9a-f]{16}[ ]}}x6{{[ ]+[0-9a-f]{16}[ ]}}x7{{[ ]+[0-9a-f]{16}$}}35 // CHECK-NEXT: x8{{[ ]+[0-9a-f]{16}[ ]}}x9{{[ ]+[0-9a-f]{16}[ ]}}36 // CHECK-SAME: x10 000000000000222237 // CHECK-SAME: x11[[STACK:[ ]+[0-9a-f]{16}$]]38 // CHECK-NEXT: x12{{[ ]+[0-9a-f]{16}[ ]}}x13{{[ ]+[0-9a-f]{16}[ ]}}x14{{[ ]+[0-9a-f]{16}[ ]}}x15{{[ ]+[0-9a-f]{16}$}}39 // CHECK-NEXT: x16{{[ ]+[0-9a-f]{16}[ ]}}x17{{[ ]+[0-9a-f]{16}[ ]}}x18{{[ ]+[0-9a-f]{16}[ ]}}x19{{[ ]+[0-9a-f]{16}$}}40 // CHECK-NEXT: x20{{[ ]+[0-9a-f]{16}[ ]}}x21{{[ ]+[0-9a-f]{16}[ ]}}x22{{[ ]+[0-9a-f]{16}[ ]}}41 // CHECK-SAME: x23 0000000000003333{{$}}42 // CHECK-NEXT: x24{{[ ]+[0-9a-f]{16}[ ]}}x25{{[ ]+[0-9a-f]{16}[ ]}}x26{{[ ]+[0-9a-f]{16}[ ]}}43 // CHECK-SAME: x27 000000000000444444 // CHECK-NEXT: x28{{[ ]+[0-9a-f]{16}[ ]}}x29{{[ ]+[0-9a-f]{16}[ ]}}x30{{[ ]+[0-9a-f]{16}[ ]}}45 // CHECK-SAME: sp{{.*}}[[STACK]]46}47