File: outofbound-notwork.c

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
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}}
  }
}