File: outofbound-notwork.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (32 lines) | stat: -rw-r--r-- 751 bytes parent folder | download | duplicates (15)
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
// RUN: %clang_analyze_cc1 -Wno-array-bounds -analyzer-checker=core,alpha.security.ArrayBound -analyzer-store=region -verify %s
// XFAIL: *

// Once we better handle modeling of sizes of VLAs, we can pull this back
// into outofbound.c.

void sizeof_vla(int a) {
  if (a == 5) {
    char x[a];
    int y[sizeof(x)];
    y[4] = 4; // no-warning
    y[5] = 5; // expected-warning{{out-of-bound}}
  }
}

void sizeof_vla_2(int a) {
  if (a == 5) {
    char x[a];
    int y[sizeof(x) / sizeof(char)];
    y[4] = 4; // no-warning
    y[5] = 5; // expected-warning{{out-of-bound}}
  }
}

void sizeof_vla_3(int a) {
  if (a == 5) {
    char x[a];
    int y[sizeof(*&*&*&x)];
    y[4] = 4; // no-warning
    y[5] = 5; // expected-warning{{out-of-bound}}
  }
}