File: ubsan-ignorelist-vfs.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (36 lines) | stat: -rw-r--r-- 1,649 bytes parent folder | download | duplicates (13)
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
36
// Verify ubsan doesn't emit checks for ignorelisted functions and files
// RUN: echo "fun:hash" > %t-func.ignorelist
// RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t-file.ignorelist

// RUN: rm -f %t-vfsoverlay.yaml
// RUN: rm -f %t-nonexistent.ignorelist
// RUN: sed -e "s|@DIR@|%/T|g" %S/Inputs/sanitizer-ignorelist-vfsoverlay.yaml | sed -e "s|@REAL_FILE@|%/t-func.ignorelist|g" | sed -e "s|@NONEXISTENT_FILE@|%/t-nonexistent.ignorelist|g" > %t-vfsoverlay.yaml
// RUN: %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-ignorelist=%/T/only-virtual-file.ignorelist -emit-llvm %s -o - | FileCheck %s --check-prefix=FUNC

// RUN: not %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-ignorelist=%/T/invalid-virtual-file.ignorelist -emit-llvm %s -o - 2>&1 | FileCheck -DMSG=%errc_ENOENT %s --check-prefix=INVALID-MAPPED-FILE
// INVALID-MAPPED-FILE: invalid-virtual-file.ignorelist': [[MSG]]

// RUN: not %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-ignorelist=%t-nonexistent.ignorelist -emit-llvm %s -o - 2>&1 | FileCheck -DMSG=%errc_ENOENT %s --check-prefix=INVALID
// INVALID: nonexistent.ignorelist': [[MSG]]

unsigned i;

// DEFAULT: @hash
// FUNC: @hash
// FILE: @hash
unsigned hash(void) {
// DEFAULT: call {{.*}}void @__ubsan
// FUNC-NOT: call {{.*}}void @__ubsan
// FILE-NOT: call {{.*}}void @__ubsan
  return i * 37;
}

// DEFAULT: @add
// FUNC: @add
// FILE: @add
unsigned add(void) {
// DEFAULT: call {{.*}}void @__ubsan
// FUNC: call {{.*}}void @__ubsan
// FILE-NOT: call {{.*}}void @__ubsan
  return i + 1;
}