| // Copyright 2021 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package sanitizers_test |
| |
| import ( |
| "strings" |
| "testing" |
| ) |
| |
| func TestASAN(t *testing.T) { |
| goos, err := goEnv("GOOS") |
| if err != nil { |
| t.Fatal(err) |
| } |
| goarch, err := goEnv("GOARCH") |
| if err != nil { |
| t.Fatal(err) |
| } |
| // The asan tests require support for the -asan option. |
| if !aSanSupported(goos, goarch) { |
| t.Skipf("skipping on %s/%s; -asan option is not supported.", goos, goarch) |
| } |
| |
| t.Parallel() |
| requireOvercommit(t) |
| config := configure("address") |
| config.skipIfCSanitizerBroken(t) |
| |
| mustRun(t, config.goCmd("build", "std")) |
| |
| cases := []struct { |
| src string |
| memoryAccessError string |
| errorLocation string |
| }{ |
| {src: "asan1_fail.go", memoryAccessError: "heap-use-after-free", errorLocation: "asan1_fail.go:25"}, |
| {src: "asan2_fail.go", memoryAccessError: "heap-buffer-overflow", errorLocation: "asan2_fail.go:31"}, |
| {src: "asan3_fail.go", memoryAccessError: "use-after-poison", errorLocation: "asan3_fail.go:13"}, |
| {src: "asan4_fail.go", memoryAccessError: "use-after-poison", errorLocation: "asan4_fail.go:13"}, |
| {src: "asan5_fail.go", memoryAccessError: "use-after-poison", errorLocation: "asan5_fail.go:18"}, |
| {src: "asan_useAfterReturn.go"}, |
| } |
| for _, tc := range cases { |
| tc := tc |
| name := strings.TrimSuffix(tc.src, ".go") |
| t.Run(name, func(t *testing.T) { |
| t.Parallel() |
| |
| dir := newTempDir(t) |
| defer dir.RemoveAll(t) |
| |
| outPath := dir.Join(name) |
| mustRun(t, config.goCmd("build", "-o", outPath, srcPath(tc.src))) |
| |
| cmd := hangProneCmd(outPath) |
| if tc.memoryAccessError != "" { |
| outb, err := cmd.CombinedOutput() |
| out := string(outb) |
| if err != nil && strings.Contains(out, tc.memoryAccessError) { |
| // This string is output if the |
| // sanitizer library needs a |
| // symbolizer program and can't find it. |
| const noSymbolizer = "external symbolizer" |
| // Check if -asan option can correctly print where the error occurred. |
| if tc.errorLocation != "" && |
| !strings.Contains(out, tc.errorLocation) && |
| !strings.Contains(out, noSymbolizer) && |
| compilerSupportsLocation() { |
| |
| t.Errorf("%#q exited without expected location of the error\n%s; got failure\n%s", strings.Join(cmd.Args, " "), tc.errorLocation, out) |
| } |
| return |
| } |
| t.Fatalf("%#q exited without expected memory access error\n%s; got failure\n%s", strings.Join(cmd.Args, " "), tc.memoryAccessError, out) |
| } |
| mustRun(t, cmd) |
| }) |
| } |
| } |