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syzkaller/pkg/email/parser_test.go
Dmitry Vyukov 7042566e4b pkg/email: accept #syz- prefix for commands 
Some users spell the command as "#syz-dup:".
Support this and few more variations.
2020-01-07 14:32:50 +01:00

697 lines
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// Copyright 2017 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package email
import (
"fmt"
"reflect"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestExtractCommand(t *testing.T) {
for i, test := range extractCommandTests {
t.Run(fmt.Sprint(i), func(t *testing.T) {
cmd, str, args := extractCommand(test.body)
if cmd != test.cmd || str != test.str || !reflect.DeepEqual(args, test.args) {
t.Logf("expect: %v %q %q", test.cmd, test.str, test.args)
t.Logf("got : %v %q %q", cmd, str, args)
t.Fail()
}
cmd, str, args = extractCommand(strings.Replace(test.body, "\n", "\r\n", -1))
if cmd != test.cmd || str != test.str || !reflect.DeepEqual(args, test.args) {
t.Logf("expect: %v %q %q", test.cmd, test.str, test.args)
t.Logf("got : %v %q %q", cmd, str, args)
t.Fail()
}
})
}
}
func TestAddRemoveAddrContext(t *testing.T) {
email := `"Foo Bar" <foo@bar.com>`
email00, context00, err := RemoveAddrContext(email)
if err != nil {
t.Fatal(err)
}
if email != email00 {
t.Fatalf("want: %q, got %q", email, email00)
}
if context00 != "" {
t.Fatalf("want context: %q, got %q", "", context00)
}
context1 := "context1"
email1, err := AddAddrContext(email, context1)
if err != nil {
t.Fatal(err)
}
want1 := `"Foo Bar" <foo+context1@bar.com>`
if want1 != email1 {
t.Fatalf("want: %q, got %q", want1, email1)
}
context2 := "context2"
email2, err := AddAddrContext(email1, context2)
if err != nil {
t.Fatal(err)
}
want2 := `"Foo Bar" <foo+context1+context2@bar.com>`
if want2 != email2 {
t.Fatalf("want: %q, got %q", want2, email2)
}
email1, context20, err := RemoveAddrContext(email2)
if err != nil {
t.Fatal(err)
}
if want1 != email1 {
t.Fatalf("want: %q, got %q", want1, email1)
}
if context2 != context20 {
t.Fatalf("want context: %q, got %q", context2, context20)
}
email0, context10, err := RemoveAddrContext(email1)
if err != nil {
t.Fatal(err)
}
if email != email0 {
t.Fatalf("want: %q, got %q", email, email0)
}
if context1 != context10 {
t.Fatalf("want context: %q, got %q", context1, context10)
}
}
func TestAddAddrContextEmptyName(t *testing.T) {
email := "<foo@bar.com>"
email1, err := AddAddrContext(email, "context")
if err != nil {
t.Fatal(err)
}
if want := "foo+context@bar.com"; want != email1 {
t.Fatalf("want: %q, got %q", want, email1)
}
email2, context1, err := RemoveAddrContext(email1)
if err != nil {
t.Fatal(err)
}
if email != email2 {
t.Fatalf("want: %q, got %q", email, email2)
}
if context1 != "context" {
t.Fatalf("got context %q", context1)
}
}
func TestCanonicalEmail(t *testing.T) {
canonical := "foo@bar.com"
emails := []string{
"\"Foo Bar\" <foo+123+456@Bar.com>",
"<Foo@bar.com>",
}
for _, email := range emails {
if got := CanonicalEmail(email); got != canonical {
t.Errorf("got %q, want %q", got, canonical)
}
}
}
func TestParse(t *testing.T) {
for i, test := range parseTests {
body := func(t *testing.T, test ParseTest) {
email, err := Parse(strings.NewReader(test.email), []string{"bot <foo@bar.com>"})
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(&test.res, email); diff != "" {
t.Error(diff)
}
}
t.Run(fmt.Sprint(i), func(t *testing.T) { body(t, test) })
test.email = strings.Replace(test.email, "\n", "\r\n", -1)
test.res.Body = strings.Replace(test.res.Body, "\n", "\r\n", -1)
t.Run(fmt.Sprint(i)+"rn", func(t *testing.T) { body(t, test) })
}
}
var extractCommandTests = []struct {
body string
cmd Command
str string
args string
}{
{
body: `Hello,
line1
#syz fix: bar baz `,
cmd: CmdFix,
str: "fix:",
args: "bar baz",
},
{
body: `Hello,
line1
#syz fix bar baz
line 2
`,
cmd: CmdFix,
str: "fix",
args: "bar baz",
},
{
body: `
line1
> #syz fix: bar baz
line 2
`,
cmd: CmdNone,
args: "",
},
{
body: `#syz-fix: bar baz`,
cmd: CmdFix,
str: "fix:",
args: "bar baz",
},
{
body: `#syz-fix bar baz`,
cmd: CmdFix,
str: "fix",
args: "bar baz",
},
{
body: `#syz: fix: bar baz`,
cmd: CmdFix,
str: "fix:",
args: "bar baz",
},
// This is unfortunate case when a command is split by email client
// due to 80-column limitation.
{
body: `
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
locking/core
`,
cmd: CmdTest,
str: "test:",
args: "git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core",
},
{
body: `
#syz test
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
`,
cmd: CmdTest,
str: "test",
args: "git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core",
},
{
body: `
#syz test:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
locking/core
locking/core
`,
cmd: CmdTest,
str: "test:",
args: "git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core",
},
{
body: `
#syz test_5_arg_cmd arg1
arg2 arg3
arg4
arg5
`,
cmd: cmdTest5,
str: "test_5_arg_cmd",
args: "arg1 arg2 arg3 arg4 arg5",
},
{
body: `
#syz test_5_arg_cmd arg1
arg2`,
cmd: cmdTest5,
str: "test_5_arg_cmd",
args: "arg1 arg2",
},
{
body: `
#syz test_5_arg_cmd arg1
arg2
`,
cmd: cmdTest5,
str: "test_5_arg_cmd",
args: "arg1 arg2",
},
{
body: `
#syz test_5_arg_cmd arg1
arg2
`,
cmd: cmdTest5,
str: "test_5_arg_cmd",
args: "arg1 arg2",
},
{
body: `
#syz fix:
arg1 arg2 arg3
arg4 arg5
`,
cmd: CmdFix,
str: "fix:",
args: "arg1 arg2 arg3",
},
{
body: `
#syz fix: arg1 arg2 arg3
arg4 arg5
`,
cmd: CmdFix,
str: "fix:",
args: "arg1 arg2 arg3",
},
{
body: `
#syz dup: title goes here
baz
`,
cmd: CmdDup,
str: "dup:",
args: "title goes here",
},
{
body: `
#syz dup
title on the next line goes here
but not this one
`,
cmd: CmdDup,
str: "dup",
args: "title on the next line goes here",
},
{
body: `
#syz foo bar
baz
`,
cmd: CmdUnknown,
str: "foo",
},
}
type ParseTest struct {
email string
res Email
}
// nolint: lll
var parseTests = []ParseTest{
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: test subject
From: Bob <bob@example.com>
To: syzbot <foo+4564456@bar.com>
Content-Type: text/plain; charset="UTF-8"
text body
second line
#syz fix: arg1 arg2 arg3
last line
--
You received this message because you are subscribed to the Google Groups "syzkaller" group.
To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller+unsubscribe@googlegroups.com.
To post to this group, send email to syzkaller@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller/abcdef@google.com.
For more options, visit https://groups.google.com/d/optout.`,
Email{
BugID: "4564456",
MessageID: "<123>",
Link: "https://groups.google.com/d/msgid/syzkaller/abcdef@google.com",
Subject: "test subject",
From: "\"Bob\" <bob@example.com>",
Cc: []string{"bob@example.com"},
Body: `text body
second line
#syz fix: arg1 arg2 arg3
last line
--
You received this message because you are subscribed to the Google Groups "syzkaller" group.
To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller+unsubscribe@googlegroups.com.
To post to this group, send email to syzkaller@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller/abcdef@google.com.
For more options, visit https://groups.google.com/d/optout.`,
Patch: "",
Command: CmdFix,
CommandStr: "fix:",
CommandArgs: "arg1 arg2 arg3",
}},
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: test subject
From: syzbot <foo+4564456@bar.com>
To: Bob <bob@example.com>
Content-Type: text/plain; charset="UTF-8"
text body
last line`,
Email{
BugID: "4564456",
MessageID: "<123>",
Subject: "test subject",
From: "\"syzbot\" <foo+4564456@bar.com>",
Cc: []string{"bob@example.com"},
Body: `text body
last line`,
Patch: "",
Command: CmdNone,
}},
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: test subject
From: Bob <bob@example.com>
To: syzbot <bot@example.com>, Alice <alice@example.com>
#syz invalid
text body
second line
last line`,
Email{
MessageID: "<123>",
Subject: "test subject",
From: "\"Bob\" <bob@example.com>",
Cc: []string{"alice@example.com", "bob@example.com", "bot@example.com"},
Body: `#syz invalid
text body
second line
last line`,
Patch: "",
Command: CmdInvalid,
CommandStr: "invalid",
CommandArgs: "",
}},
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: test subject
From: Bob <bob@example.com>
To: syzbot <bot@example.com>, Alice <alice@example.com>
Content-Type: text/plain
text body
second line
last line
#syz command`,
Email{
MessageID: "<123>",
Subject: "test subject",
From: "\"Bob\" <bob@example.com>",
Cc: []string{"alice@example.com", "bob@example.com", "bot@example.com"},
Body: `text body
second line
last line
#syz command`,
Patch: "",
Command: CmdUnknown,
CommandStr: "command",
}},
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: test subject
From: Bob <bob@example.com>
To: syzbot <bot@example.com>
Content-Type: multipart/mixed; boundary="001a114ce0b01684a6054f0d8b81"
--001a114ce0b01684a6054f0d8b81
Content-Type: text/plain; charset="UTF-8"
body text
>#syz test
--001a114ce0b01684a6054f0d8b81
Content-Type: text/x-patch; charset="US-ASCII"; name="patch.patch"
Content-Disposition: attachment; filename="patch.patch"
Content-Transfer-Encoding: base64
X-Attachment-Id: f_j2gwcdoa1
ZGlmZiAtLWdpdCBhL2tlcm5lbC9rY292LmMgYi9rZXJuZWwva2Nvdi5jCmluZGV4IDg1ZTU1NDZj
ZDc5MS4uOTQ5ZWE0NTc0NDEyIDEwMDY0NAotLS0gYS9rZXJuZWwva2Nvdi5jCisrKyBiL2tlcm5l
bC9rY292LmMKQEAgLTEyNyw3ICsxMjcsNiBAQCB2b2lkIGtjb3ZfdGFza19leGl0KHN0cnVjdCB0
YXNrX3N0cnVjdCAqdCkKIAlrY292ID0gdC0+a2NvdjsKIAlpZiAoa2NvdiA9PSBOVUxMKQogCQly
ZXR1cm47Ci0Jc3Bpbl9sb2NrKCZrY292LT5sb2NrKTsKIAlpZiAoV0FSTl9PTihrY292LT50ICE9
IHQpKSB7CiAJCXNwaW5fdW5sb2NrKCZrY292LT5sb2NrKTsKIAkJcmV0dXJuOwo=
--001a114ce0b01684a6054f0d8b81--`,
Email{
MessageID: "<123>",
Subject: "test subject",
From: "\"Bob\" <bob@example.com>",
Cc: []string{"bob@example.com", "bot@example.com"},
Body: `body text
>#syz test
`,
Patch: `diff --git a/kernel/kcov.c b/kernel/kcov.c
index 85e5546cd791..949ea4574412 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -127,7 +127,6 @@ void kcov_task_exit(struct task_struct *t)
kcov = t->kcov;
if (kcov == NULL)
return;
- spin_lock(&kcov->lock);
if (WARN_ON(kcov->t != t)) {
spin_unlock(&kcov->lock);
return;
`,
Command: CmdNone,
CommandArgs: "",
}},
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: test subject
From: Bob <bob@example.com>
To: syzbot <bot@example.com>
Content-Type: multipart/alternative; boundary="f403043eee70018593054f0d9f1f"
--f403043eee70018593054f0d9f1f
Content-Type: text/plain; charset="UTF-8"
On Mon, May 8, 2017 at 6:47 PM, Bob wrote:
> body text
#syz test
commit 59372bbf3abd5b24a7f6f676a3968685c280f955
Date: Thu Apr 27 13:54:11 2017 +0200
statx: correct error handling of NULL pathname
test patch.
diff --git a/fs/stat.c b/fs/stat.c
index 3d85747bd86e..a257b872a53d 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -567,8 +567,6 @@ SYSCALL_DEFINE5(statx,
return -EINVAL;
if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
return -EINVAL;
- if (!filename)
- return -EINVAL;
error = vfs_statx(dfd, filename, flags, &stat, mask);
if (error)
--f403043eee70018593054f0d9f1f
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">On Mon, May 8, 2017 at 6:47 PM, Dmitry Vyukov &lt;<a href=
=3D"mailto:bob@example.com">bob@example.com</a>&gt; wrote:<br>&gt; bo=
dy text<br><br>#syz test<br><br><div><div>commit 59372bbf3abd5b24a7f6f67=
6a3968685c280f955</div><div>Date: =C2=A0 Thu Apr 27 13:54:11 2017 +0200</di=
v><div><br></div><div>=C2=A0 =C2=A0 statx: correct error handling of NULL p=
athname</div><div>=C2=A0 =C2=A0=C2=A0</div><div>=C2=A0 =C2=A0 test patch.</=
div><div><br></div><div>diff --git a/fs/stat.c b/fs/stat.c</div><div>index =
3d85747bd86e..a257b872a53d 100644</div><div>--- a/fs/stat.c</div><div>+++ b=
/fs/stat.c</div><div>@@ -567,8 +567,6 @@ SYSCALL_DEFINE5(statx,</div><div>=
=C2=A0<span class=3D"gmail-Apple-tab-span" style=3D"white-space:pre">=09=09=
</span>return -EINVAL;</div><div>=C2=A0<span class=3D"gmail-Apple-tab-span"=
style=3D"white-space:pre">=09</span>if ((flags &amp; AT_STATX_SYNC_TYPE) =
=3D=3D AT_STATX_SYNC_TYPE)</div><div>=C2=A0<span class=3D"gmail-Apple-tab-s=
pan" style=3D"white-space:pre">=09=09</span>return -EINVAL;</div><div>-<spa=
n class=3D"gmail-Apple-tab-span" style=3D"white-space:pre">=09</span>if (!f=
ilename)</div><div>-<span class=3D"gmail-Apple-tab-span" style=3D"white-spa=
ce:pre">=09=09</span>return -EINVAL;</div><div>=C2=A0</div><div>=C2=A0<span=
class=3D"gmail-Apple-tab-span" style=3D"white-space:pre">=09</span>error =
=3D vfs_statx(dfd, filename, flags, &amp;stat, mask);</div><div>=C2=A0<span=
class=3D"gmail-Apple-tab-span" style=3D"white-space:pre">=09</span>if (err=
or)</div></div></div>
--f403043eee70018593054f0d9f1f--`,
Email{
MessageID: "<123>",
Subject: "test subject",
From: "\"Bob\" <bob@example.com>",
Cc: []string{"bob@example.com", "bot@example.com"},
Body: `On Mon, May 8, 2017 at 6:47 PM, Bob wrote:
> body text
#syz test
commit 59372bbf3abd5b24a7f6f676a3968685c280f955
Date: Thu Apr 27 13:54:11 2017 +0200
statx: correct error handling of NULL pathname
test patch.
diff --git a/fs/stat.c b/fs/stat.c
index 3d85747bd86e..a257b872a53d 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -567,8 +567,6 @@ SYSCALL_DEFINE5(statx,
return -EINVAL;
if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
return -EINVAL;
- if (!filename)
- return -EINVAL;
error = vfs_statx(dfd, filename, flags, &stat, mask);
if (error)
`,
Patch: `diff --git a/fs/stat.c b/fs/stat.c
index 3d85747bd86e..a257b872a53d 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -567,8 +567,6 @@ SYSCALL_DEFINE5(statx,
return -EINVAL;
if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
return -EINVAL;
- if (!filename)
- return -EINVAL;
error = vfs_statx(dfd, filename, flags, &stat, mask);
if (error)
`,
Command: CmdTest,
CommandStr: "test",
CommandArgs: "commit 59372bbf3abd5b24a7f6f676a3968685c280f955",
}},
{`Sender: syzkaller-bugs@googlegroups.com
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in
sock_poll
To: syzbot <syzbot+344bb0f46d7719cd9483@syzkaller.appspotmail.com>
From: bar <bar@foo.com>
Message-ID: <1250334f-7220-2bff-5d87-b87573758d81@bar.com>
Date: Sun, 10 Jun 2018 10:38:20 +0900
MIME-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Language: en-US
Content-Transfer-Encoding: quoted-printable
On 2018/06/10 4:57, syzbot wrote:
> Hello,
>=20
> syzbot found the following crash on:
>=20
> HEAD commit: 7d3bf613e99a Merge tag 'libnvdimm-for-4.18=
' of git://git.k..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=3D1188a05f80000=
0
> kernel config: https://syzkaller.appspot.com/x/.config?x=3Df04d8d0a=
2afb789a
#syz dup: BUG: unable to handle kernel NULL pointer dereference in corrupte=
d
`, Email{
MessageID: "<1250334f-7220-2bff-5d87-b87573758d81@bar.com>",
Subject: "Re: BUG: unable to handle kernel NULL pointer dereference in sock_poll",
From: "\"bar\" <bar@foo.com>",
Cc: []string{"bar@foo.com", "syzbot@syzkaller.appspotmail.com"},
Body: `On 2018/06/10 4:57, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 7d3bf613e99a Merge tag 'libnvdimm-for-4.18' of git://git.k..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1188a05f800000
> kernel config: https://syzkaller.appspot.com/x/.config?x=f04d8d0a2afb789a
#syz dup: BUG: unable to handle kernel NULL pointer dereference in corrupted
`,
Command: CmdDup,
CommandStr: "dup:",
CommandArgs: "BUG: unable to handle kernel NULL pointer dereference in corrupted",
}},
{`Sender: syzkaller-bugs@googlegroups.com
To: syzbot <syzbot+6dd701dc797b23b8c761@syzkaller.appspotmail.com>
From: bar@foo.com
#syz dup:
BUG: unable to handle kernel NULL pointer dereference in corrupted
`, Email{
From: "<bar@foo.com>",
Cc: []string{"bar@foo.com", "syzbot@syzkaller.appspotmail.com"},
Body: `#syz dup:
BUG: unable to handle kernel NULL pointer dereference in corrupted
`,
Command: CmdDup,
CommandStr: "dup:",
CommandArgs: "BUG: unable to handle kernel NULL pointer dereference in corrupted",
}},
{`Sender: syzkaller-bugs@googlegroups.com
To: syzbot <syzbot+6dd701dc797b23b8c761@syzkaller.appspotmail.com>
From: bar@foo.com
#syz fix:
When freeing a lockf struct that already is part of a linked list, make sure to
`, Email{
From: "<bar@foo.com>",
Cc: []string{"bar@foo.com", "syzbot@syzkaller.appspotmail.com"},
Body: `#syz fix:
When freeing a lockf struct that already is part of a linked list, make sure to
`,
Command: CmdFix,
CommandStr: "fix:",
CommandArgs: "When freeing a lockf struct that already is part of a linked list, make sure to",
}},
{`Date: Sun, 7 May 2017 19:54:00 -0700
Message-ID: <123>
Subject: #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master
From: bob@example.com
To: syzbot <foo+4564456@bar.com>
nothing to see here`,
Email{
BugID: "4564456",
MessageID: "<123>",
Subject: "#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master",
From: "<bob@example.com>",
Cc: []string{"bob@example.com"},
Body: `nothing to see here`,
Command: CmdTest,
CommandStr: "test:",
CommandArgs: "git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git master",
}},
}
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