reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24

// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.unix.Chroot -analyzer-store region -verify %s

extern int chroot(const char* path);
extern int chdir(const char* path);

void foo(void) {
}

void f1(void) {
  chroot("/usr/local"); // root changed.
  foo(); // expected-warning {{No call of chdir("/") immediately after chroot}}
}

void f2(void) {
  chroot("/usr/local"); // root changed.
  chdir("/"); // enter the jail.
  foo(); // no-warning
}

void f3(void) {
  chroot("/usr/local"); // root changed.
  chdir("../"); // change working directory, still out of jail.
  foo(); // expected-warning {{No call of chdir("/") immediately after chroot}}
}