File: stack-protector.c

package info (click to toggle)
llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 493,332 kB
  • sloc: cpp: 2,698,100; ansic: 552,773; asm: 128,821; python: 121,589; objc: 105,054; sh: 21,174; lisp: 6,758; ml: 5,532; perl: 5,311; pascal: 5,245; makefile: 2,083; cs: 1,868; xml: 686; php: 212; csh: 117
file content (35 lines) | stat: -rw-r--r-- 1,906 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 0 | FileCheck -check-prefix=DEF -check-prefix=NOSSP %s
// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 1 | FileCheck -check-prefix=DEF -check-prefix=SSP %s
// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 2 | FileCheck -check-prefix=DEF -check-prefix=SSPSTRONG %s
// RUN: %clang_cc1 -emit-llvm -o - %s -stack-protector 3 | FileCheck -check-prefix=DEF -check-prefix=SSPREQ %s

// RUN: %clang_cc1 -emit-llvm -o - %s -fsanitize=safe-stack | FileCheck -check-prefix=DEF -check-prefix=SAFESTACK-NOSSP %s
// RUN: %clang_cc1 -emit-llvm -o - %s -fsanitize=safe-stack -stack-protector 0 | FileCheck -check-prefix=DEF -check-prefix=SAFESTACK-NOSSP %s
// RUN: %clang_cc1 -emit-llvm -o - %s -fsanitize=safe-stack -stack-protector 1 | FileCheck -check-prefix=DEF -check-prefix=SAFESTACK-SSP %s
// RUN: %clang_cc1 -emit-llvm -o - %s -fsanitize=safe-stack -stack-protector 2 | FileCheck -check-prefix=DEF -check-prefix=SAFESTACK-SSPSTRONG %s
// RUN: %clang_cc1 -emit-llvm -o - %s -fsanitize=safe-stack -stack-protector 3 | FileCheck -check-prefix=DEF -check-prefix=SAFESTACK-SSPREQ %s

typedef __SIZE_TYPE__ size_t;

int printf(const char * _Format, ...);
size_t strlen(const char *s);
char *strcpy(char *s1, const char *s2);

// DEF: define {{.*}}void @test1(i8* %msg) #[[A:.*]] {
void test1(const char *msg) {
  char a[strlen(msg) + 1];
  strcpy(a, msg);
  printf("%s\n", a);
}

// NOSSP-NOT: attributes #[[A]] = {{.*}} ssp
// SSP: attributes #[[A]] = {{.*}} ssp{{ }}
// SSPSTRONG: attributes #[[A]] = {{.*}} sspstrong
// SSPREQ: attributes #[[A]] = {{.*}} sspreq

// SAFESTACK-NOSSP: attributes #[[A]] = {{.*}} safestack
// SAFESTACK-NOSSP-NOT: ssp

// SAFESTACK-SSP: attributes #[[A]] = {{.*}} safestack ssp{{ }}
// SAFESTACK-SSPSTRONG: attributes #[[A]] = {{.*}} safestack sspstrong
// SAFESTACK-SSPREQ: attributes #[[A]] = {{.*}} safestack sspreq