dashboard/app/email_test.go - third_party/syzkaller - Git at Google

 // 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.

 // +build aetest

 package dash

 import (
 	"fmt"
 	"strings"
 	"testing"

 	"github.com/google/syzkaller/dashboard/dashapi"
 	"github.com/google/syzkaller/pkg/email"
 )

 func TestEmailReport(t *testing.T) {
 	c := NewCtx(t)
 	defer c.Close()

 	build := testBuild(1)
 	c.expectOK(c.API(client2, key2, "upload_build", build, nil))

 	crash := testCrash(build, 1)
 	crash.Maintainers = []string{`"Foo Bar" <foo@bar.com>`, `bar@foo.com`}
 	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

 	// Report the crash over email and check all fields.
 	sender0 := ""
 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		sender0 = msg.Sender
 		sender, _, err := email.RemoveAddrContext(msg.Sender)
 		if err != nil {
 			t.Fatalf("failed to remove sender context: %v", err)
 		}
 		c.expectEQ(sender, fromAddr(c.ctx))
 		to := config.Namespaces["test2"].Reporting[0].Config.(*EmailConfig).Email
 		c.expectEQ(msg.To, []string{to})
 		c.expectEQ(msg.Subject, crash.Title)
 		c.expectEQ(len(msg.Attachments), 2)
 		c.expectEQ(msg.Attachments[0].Name, "config.txt")
 		c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
 		c.expectEQ(msg.Attachments[1].Name, "raw.log")
 		c.expectEQ(msg.Attachments[1].Data, crash.Log)
 		body := `Hello,

 syzkaller hit the following crash on kernel_commit1
 repo1/branch1
 compiler: compiler1
 .config is attached
 Raw console output is attached.

 Unfortunately, I don't have any reproducer for this bug yet.
 CC: [bar@foo.com foo@bar.com]

 report1

 ---
 This bug is generated by a dumb bot. It may contain errors.
 See https://goo.gl/tpsmEJ for details.
 Direct all questions to syzkaller@googlegroups.com.
 Please credit me with: Reported-by: syzbot <syzkaller@googlegroups.com>

 syzbot will keep track of this bug report.
 Once a fix for this bug is merged into any tree, reply to this email with:
 #syz fix: exact-commit-title
 To mark this as a duplicate of another syzbot report, please reply with:
 #syz dup: exact-subject-of-another-report
 If it's a one-off invalid bug report, please reply with:
 #syz invalid
 Note: if the crash happens again, it will cause creation of a new bug report.
 Note: all commands must start from beginning of the line in the email body.
 To upstream this report, please reply with:
 #syz upstream`
 		if msg.Body != body {
 			t.Fatalf("got email body:\n%s\n\nwant:\n%s", msg.Body, body)
 		}
 	}

 	// Emulate receive of the report from a mailing list.
 	// This should update the bug with the link/Message-ID.
 	incoming1 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
 Date: Tue, 15 Aug 2017 14:59:00 -0700
 Message-ID: <1234>
 Subject: crash1
 From: %v
 To: foo@bar.com
 Content-Type: text/plain

 Hello

 syzbot will keep track of this bug report.
 Once a fix for this bug is merged into any tree, reply to this email with:
 #syz fix: exact-commit-title
 To mark this as a duplicate of another syzbot report, please reply with:
 #syz dup: exact-subject-of-another-report
 If it's a one-off invalid bug report, please reply with:
 #syz invalid

 --
 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/1234@google.com.
 For more options, visit https://groups.google.com/d/optout.
 `, sender0)

 	c.expectOK(c.POST("/_ah/mail/", incoming1))

 	// Now report syz reproducer and check updated email.
 	crash.ReproOpts = []byte("repro opts")
 	crash.ReproSyz = []byte("getpid()")
 	syzRepro := []byte(fmt.Sprintf("#%s\n%s", crash.ReproOpts, crash.ReproSyz))
 	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		c.expectEQ(msg.Sender, sender0)
 		sender, _, err := email.RemoveAddrContext(msg.Sender)
 		if err != nil {
 			t.Fatalf("failed to remove sender context: %v", err)
 		}
 		c.expectEQ(sender, fromAddr(c.ctx))
 		var to []string
 		to = append(to, "foo@bar.com")
 		to = append(to, config.Namespaces["test2"].Reporting[0].Config.(*EmailConfig).Email)
 		c.expectEQ(msg.To, to)
 		c.expectEQ(msg.Subject, crash.Title)
 		c.expectEQ(len(msg.Attachments), 3)
 		c.expectEQ(msg.Attachments[0].Name, "config.txt")
 		c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
 		c.expectEQ(msg.Attachments[1].Name, "raw.log")
 		c.expectEQ(msg.Attachments[1].Data, crash.Log)
 		c.expectEQ(msg.Attachments[2].Name, "repro.txt")
 		c.expectEQ(msg.Attachments[2].Data, syzRepro)
 		c.expectEQ(msg.Headers["In-Reply-To"], []string{"<1234>"})
 		body := `syzkaller has found reproducer for the following crash on kernel_commit1
 repo1/branch1
 compiler: compiler1
 .config is attached
 Raw console output is attached.

 syzkaller reproducer is attached. See https://goo.gl/kgGztJ
 for information about syzkaller reproducers
 CC: [bar@foo.com foo@bar.com]

 report1
 `
 		c.expectEQ(msg.Body, body)
 	}

 	// Now upstream the bug and check that it reaches the next reporting.
 	c.incomingEmail(sender0, "#syz upstream")

 	sender1 := ""
 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		sender1 = msg.Sender
 		if sender1 == sender0 {
 			t.Fatalf("same ID in different reporting")
 		}
 		sender, _, err := email.RemoveAddrContext(msg.Sender)
 		if err != nil {
 			t.Fatalf("failed to remove sender context: %v", err)
 		}
 		c.expectEQ(sender, fromAddr(c.ctx))
 		c.expectEQ(msg.To, []string{"bar@foo.com", "bugs@syzkaller.com", "foo@bar.com"})
 		c.expectEQ(msg.Subject, crash.Title)
 		c.expectEQ(len(msg.Attachments), 3)
 		c.expectEQ(msg.Attachments[0].Name, "config.txt")
 		c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
 		c.expectEQ(msg.Attachments[1].Name, "raw.log")
 		c.expectEQ(msg.Attachments[1].Data, crash.Log)
 		c.expectEQ(msg.Attachments[2].Name, "repro.txt")
 		c.expectEQ(msg.Attachments[2].Data, syzRepro)
 		body := `Hello,

 syzkaller hit the following crash on kernel_commit1
 repo1/branch1
 compiler: compiler1
 .config is attached
 Raw console output is attached.

 syzkaller reproducer is attached. See https://goo.gl/kgGztJ
 for information about syzkaller reproducers


 report1

 ---
 This bug is generated by a dumb bot. It may contain errors.
 See https://goo.gl/tpsmEJ for details.
 Direct all questions to syzkaller@googlegroups.com.
 Please credit me with: Reported-by: syzbot <syzkaller@googlegroups.com>

 syzbot will keep track of this bug report.
 Once a fix for this bug is merged into any tree, reply to this email with:
 #syz fix: exact-commit-title
 If you want to test a patch for this bug, please reply with:
 #syz test: git://repo/address.git branch
 and provide the patch inline or as an attachment.
 To mark this as a duplicate of another syzbot report, please reply with:
 #syz dup: exact-subject-of-another-report
 If it's a one-off invalid bug report, please reply with:
 #syz invalid
 Note: if the crash happens again, it will cause creation of a new bug report.
 Note: all commands must start from beginning of the line in the email body.
 `
 		if msg.Body != body {
 			t.Fatalf("got email body:\n%s\n\nwant:\n%s", msg.Body, body)
 		}
 	}

 	// Model that somebody adds more emails to CC list.
 	incoming3 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
 Date: Tue, 15 Aug 2017 14:59:00 -0700
 Message-ID: <1234>
 Subject: crash1
 From: foo@bar.com
 To: %v
 CC: new@new.com, "another" <another@another.com>, bar@foo.com, bugs@syzkaller.com, foo@bar.com
 Content-Type: text/plain

 +more people
 `, sender1)

 	c.expectOK(c.POST("/_ah/mail/", incoming3))

 	// Now upload a C reproducer.
 	crash.ReproC = []byte("int main() {}")
 	crash.Maintainers = []string{"\"qux\" <qux@qux.com>"}
 	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		c.expectEQ(msg.Sender, sender1)
 		sender, _, err := email.RemoveAddrContext(msg.Sender)
 		if err != nil {
 			t.Fatalf("failed to remove sender context: %v", err)
 		}
 		c.expectEQ(sender, fromAddr(c.ctx))
 		c.expectEQ(msg.To, []string{"another@another.com", "bar@foo.com", "bugs@syzkaller.com", "foo@bar.com", "new@new.com", "qux@qux.com"})
 		c.expectEQ(msg.Subject, crash.Title)
 		c.expectEQ(len(msg.Attachments), 4)
 		c.expectEQ(msg.Attachments[0].Name, "config.txt")
 		c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
 		c.expectEQ(msg.Attachments[1].Name, "raw.log")
 		c.expectEQ(msg.Attachments[1].Data, crash.Log)
 		c.expectEQ(msg.Attachments[2].Name, "repro.txt")
 		c.expectEQ(msg.Attachments[2].Data, syzRepro)
 		c.expectEQ(msg.Attachments[3].Name, "repro.c")
 		c.expectEQ(msg.Attachments[3].Data, crash.ReproC)
 		body := `syzkaller has found reproducer for the following crash on kernel_commit1
 repo1/branch1
 compiler: compiler1
 .config is attached
 Raw console output is attached.
 C reproducer is attached
 syzkaller reproducer is attached. See https://goo.gl/kgGztJ
 for information about syzkaller reproducers


 report1
 `
 		if msg.Body != body {
 			t.Fatalf("got email body:\n%s\n\nwant:\n%s", msg.Body, body)
 		}
 	}

 	// Send an invalid command.
 	incoming4 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
 Date: Tue, 15 Aug 2017 14:59:00 -0700
 Message-ID: <abcdef>
 Subject: title1
 From: foo@bar.com
 To: %v
 Content-Type: text/plain

 #syz bad-command
 `, sender1)

 	c.expectOK(c.POST("/_ah/mail/", incoming4))

 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		c.expectEQ(msg.To, []string{"<foo@bar.com>"})
 		c.expectEQ(msg.Subject, crash.Title)
 		c.expectEQ(msg.Headers["In-Reply-To"], []string{"<abcdef>"})
 		if !strings.Contains(msg.Body, `> #syz bad-command

 unknown command "bad-command"
 `) {
 			t.Fatal("no unknown command reply for bad command")
 		}
 	}

 	// Now mark the bug as fixed.
 	c.incomingEmail(sender1, "#syz fix: some: commit title")
 	c.expectOK(c.GET("/email_poll"))
 	c.expectEQ(len(c.emailSink), 0)

 	// Check that the commit is now passed to builders.
 	builderPollReq := &dashapi.BuilderPollReq{build.Manager}
 	builderPollResp := new(dashapi.BuilderPollResp)
 	c.expectOK(c.API(client2, key2, "builder_poll", builderPollReq, builderPollResp))
 	c.expectEQ(len(builderPollResp.PendingCommits), 1)
 	c.expectEQ(builderPollResp.PendingCommits[0], "some: commit title")

 	build2 := testBuild(2)
 	build2.Manager = build.Manager
 	build2.Commits = []string{"some: commit title"}
 	c.expectOK(c.API(client2, key2, "upload_build", build2, nil))

 	// New crash must produce new bug in the first reporting.
 	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))
 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		c.expectEQ(msg.Subject, crash.Title+" (2)")
 		if msg.Sender == sender0 {
 			t.Fatalf("same reporting ID for new bug")
 		}
 	}
 }

 // Bug must not be mailed to maintainers if maintainers list is empty.
 func TestEmailNoMaintainers(t *testing.T) {
 	c := NewCtx(t)
 	defer c.Close()

 	build := testBuild(1)
 	c.expectOK(c.API(client2, key2, "upload_build", build, nil))

 	crash := testCrash(build, 1)
 	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

 	c.expectOK(c.GET("/email_poll"))
 	c.expectEQ(len(c.emailSink), 1)
 	sender := (<-c.emailSink).Sender

 	incoming1 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
 Date: Tue, 15 Aug 2017 14:59:00 -0700
 Message-ID: <1234>
 Subject: crash1
 From: %v
 To: foo@bar.com
 Content-Type: text/plain

 #syz upstream
 `, sender)
 	c.expectOK(c.POST("/_ah/mail/", incoming1))

 	c.expectOK(c.GET("/email_poll"))
 	c.expectEQ(len(c.emailSink), 0)
 }

 // Basic dup scenario: mark one bug as dup of another.
 func TestEmailDup(t *testing.T) {
 	c := NewCtx(t)
 	defer c.Close()

 	build := testBuild(1)
 	c.expectOK(c.API(client2, key2, "upload_build", build, nil))

 	crash1 := testCrash(build, 1)
 	crash1.Title = "BUG: slightly more elaborate title"
 	c.expectOK(c.API(client2, key2, "report_crash", crash1, nil))

 	crash2 := testCrash(build, 2)
 	crash1.Title = "KASAN: another title"
 	c.expectOK(c.API(client2, key2, "report_crash", crash2, nil))

 	c.expectOK(c.GET("/email_poll"))
 	c.expectEQ(len(c.emailSink), 2)
 	msg1 := <-c.emailSink
 	msg2 := <-c.emailSink

 	// Dup crash2 to crash1.
 	c.incomingEmail(msg2.Sender, "#syz dup: BUG: slightly more elaborate title")
 	c.expectOK(c.GET("/email_poll"))
 	c.expectEQ(len(c.emailSink), 0)

 	// Second crash happens again
 	crash2.ReproC = []byte("int main() {}")
 	c.expectOK(c.API(client2, key2, "report_crash", crash2, nil))
 	c.expectOK(c.GET("/email_poll"))
 	c.expectEQ(len(c.emailSink), 0)

 	// Now close the original bug, and check that new bugs for dup are now created.
 	c.incomingEmail(msg1.Sender, "#syz invalid")

 	// New crash must produce new bug in the first reporting.
 	c.expectOK(c.API(client2, key2, "report_crash", crash2, nil))
 	{
 		c.expectOK(c.GET("/email_poll"))
 		c.expectEQ(len(c.emailSink), 1)
 		msg := <-c.emailSink
 		c.expectEQ(msg.Subject, crash2.Title+" (2)")
 	}
 }
	// 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.

	// +build aetest

	package dash

	import (
	"fmt"
	"strings"
	"testing"

	"github.com/google/syzkaller/dashboard/dashapi"
	"github.com/google/syzkaller/pkg/email"
	)

	func TestEmailReport(t *testing.T) {
	c := NewCtx(t)
	defer c.Close()

	build := testBuild(1)
	c.expectOK(c.API(client2, key2, "upload_build", build, nil))

	crash := testCrash(build, 1)
	crash.Maintainers = []string{`"Foo Bar" <foo@bar.com>`, `bar@foo.com`}
	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

	// Report the crash over email and check all fields.
	sender0 := ""
	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	sender0 = msg.Sender
	sender, _, err := email.RemoveAddrContext(msg.Sender)
	if err != nil {
	t.Fatalf("failed to remove sender context: %v", err)
	}
	c.expectEQ(sender, fromAddr(c.ctx))
	to := config.Namespaces["test2"].Reporting[0].Config.(*EmailConfig).Email
	c.expectEQ(msg.To, []string{to})
	c.expectEQ(msg.Subject, crash.Title)
	c.expectEQ(len(msg.Attachments), 2)
	c.expectEQ(msg.Attachments[0].Name, "config.txt")
	c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
	c.expectEQ(msg.Attachments[1].Name, "raw.log")
	c.expectEQ(msg.Attachments[1].Data, crash.Log)
	body := `Hello,

	syzkaller hit the following crash on kernel_commit1
	repo1/branch1
	compiler: compiler1
	.config is attached
	Raw console output is attached.

	Unfortunately, I don't have any reproducer for this bug yet.
	CC: [bar@foo.com foo@bar.com]

	report1

	---
	This bug is generated by a dumb bot. It may contain errors.
	See https://goo.gl/tpsmEJ for details.
	Direct all questions to syzkaller@googlegroups.com.
	Please credit me with: Reported-by: syzbot <syzkaller@googlegroups.com>

	syzbot will keep track of this bug report.
	Once a fix for this bug is merged into any tree, reply to this email with:
	#syz fix: exact-commit-title
	To mark this as a duplicate of another syzbot report, please reply with:
	#syz dup: exact-subject-of-another-report
	If it's a one-off invalid bug report, please reply with:
	#syz invalid
	Note: if the crash happens again, it will cause creation of a new bug report.
	Note: all commands must start from beginning of the line in the email body.
	To upstream this report, please reply with:
	#syz upstream`
	if msg.Body != body {
	t.Fatalf("got email body:\n%s\n\nwant:\n%s", msg.Body, body)
	}
	}

	// Emulate receive of the report from a mailing list.
	// This should update the bug with the link/Message-ID.
	incoming1 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
	Date: Tue, 15 Aug 2017 14:59:00 -0700
	Message-ID: <1234>
	Subject: crash1
	From: %v
	To: foo@bar.com
	Content-Type: text/plain

	Hello

	syzbot will keep track of this bug report.
	Once a fix for this bug is merged into any tree, reply to this email with:
	#syz fix: exact-commit-title
	To mark this as a duplicate of another syzbot report, please reply with:
	#syz dup: exact-subject-of-another-report
	If it's a one-off invalid bug report, please reply with:
	#syz invalid

	--
	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/1234@google.com.
	For more options, visit https://groups.google.com/d/optout.
	`, sender0)

	c.expectOK(c.POST("/_ah/mail/", incoming1))

	// Now report syz reproducer and check updated email.
	crash.ReproOpts = []byte("repro opts")
	crash.ReproSyz = []byte("getpid()")
	syzRepro := []byte(fmt.Sprintf("#%s\n%s", crash.ReproOpts, crash.ReproSyz))
	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	c.expectEQ(msg.Sender, sender0)
	sender, _, err := email.RemoveAddrContext(msg.Sender)
	if err != nil {
	t.Fatalf("failed to remove sender context: %v", err)
	}
	c.expectEQ(sender, fromAddr(c.ctx))
	var to []string
	to = append(to, "foo@bar.com")
	to = append(to, config.Namespaces["test2"].Reporting[0].Config.(*EmailConfig).Email)
	c.expectEQ(msg.To, to)
	c.expectEQ(msg.Subject, crash.Title)
	c.expectEQ(len(msg.Attachments), 3)
	c.expectEQ(msg.Attachments[0].Name, "config.txt")
	c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
	c.expectEQ(msg.Attachments[1].Name, "raw.log")
	c.expectEQ(msg.Attachments[1].Data, crash.Log)
	c.expectEQ(msg.Attachments[2].Name, "repro.txt")
	c.expectEQ(msg.Attachments[2].Data, syzRepro)
	c.expectEQ(msg.Headers["In-Reply-To"], []string{"<1234>"})
	body := `syzkaller has found reproducer for the following crash on kernel_commit1
	repo1/branch1
	compiler: compiler1
	.config is attached
	Raw console output is attached.

	syzkaller reproducer is attached. See https://goo.gl/kgGztJ
	for information about syzkaller reproducers
	CC: [bar@foo.com foo@bar.com]

	report1
	`
	c.expectEQ(msg.Body, body)
	}

	// Now upstream the bug and check that it reaches the next reporting.
	c.incomingEmail(sender0, "#syz upstream")

	sender1 := ""
	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	sender1 = msg.Sender
	if sender1 == sender0 {
	t.Fatalf("same ID in different reporting")
	}
	sender, _, err := email.RemoveAddrContext(msg.Sender)
	if err != nil {
	t.Fatalf("failed to remove sender context: %v", err)
	}
	c.expectEQ(sender, fromAddr(c.ctx))
	c.expectEQ(msg.To, []string{"bar@foo.com", "bugs@syzkaller.com", "foo@bar.com"})
	c.expectEQ(msg.Subject, crash.Title)
	c.expectEQ(len(msg.Attachments), 3)
	c.expectEQ(msg.Attachments[0].Name, "config.txt")
	c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
	c.expectEQ(msg.Attachments[1].Name, "raw.log")
	c.expectEQ(msg.Attachments[1].Data, crash.Log)
	c.expectEQ(msg.Attachments[2].Name, "repro.txt")
	c.expectEQ(msg.Attachments[2].Data, syzRepro)
	body := `Hello,

	syzkaller hit the following crash on kernel_commit1
	repo1/branch1
	compiler: compiler1
	.config is attached
	Raw console output is attached.

	syzkaller reproducer is attached. See https://goo.gl/kgGztJ
	for information about syzkaller reproducers


	report1

	---
	This bug is generated by a dumb bot. It may contain errors.
	See https://goo.gl/tpsmEJ for details.
	Direct all questions to syzkaller@googlegroups.com.
	Please credit me with: Reported-by: syzbot <syzkaller@googlegroups.com>

	syzbot will keep track of this bug report.
	Once a fix for this bug is merged into any tree, reply to this email with:
	#syz fix: exact-commit-title
	If you want to test a patch for this bug, please reply with:
	#syz test: git://repo/address.git branch
	and provide the patch inline or as an attachment.
	To mark this as a duplicate of another syzbot report, please reply with:
	#syz dup: exact-subject-of-another-report
	If it's a one-off invalid bug report, please reply with:
	#syz invalid
	Note: if the crash happens again, it will cause creation of a new bug report.
	Note: all commands must start from beginning of the line in the email body.
	`
	if msg.Body != body {
	t.Fatalf("got email body:\n%s\n\nwant:\n%s", msg.Body, body)
	}
	}

	// Model that somebody adds more emails to CC list.
	incoming3 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
	Date: Tue, 15 Aug 2017 14:59:00 -0700
	Message-ID: <1234>
	Subject: crash1
	From: foo@bar.com
	To: %v
	CC: new@new.com, "another" <another@another.com>, bar@foo.com, bugs@syzkaller.com, foo@bar.com
	Content-Type: text/plain

	+more people
	`, sender1)

	c.expectOK(c.POST("/_ah/mail/", incoming3))

	// Now upload a C reproducer.
	crash.ReproC = []byte("int main() {}")
	crash.Maintainers = []string{"\"qux\" <qux@qux.com>"}
	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	c.expectEQ(msg.Sender, sender1)
	sender, _, err := email.RemoveAddrContext(msg.Sender)
	if err != nil {
	t.Fatalf("failed to remove sender context: %v", err)
	}
	c.expectEQ(sender, fromAddr(c.ctx))
	c.expectEQ(msg.To, []string{"another@another.com", "bar@foo.com", "bugs@syzkaller.com", "foo@bar.com", "new@new.com", "qux@qux.com"})
	c.expectEQ(msg.Subject, crash.Title)
	c.expectEQ(len(msg.Attachments), 4)
	c.expectEQ(msg.Attachments[0].Name, "config.txt")
	c.expectEQ(msg.Attachments[0].Data, build.KernelConfig)
	c.expectEQ(msg.Attachments[1].Name, "raw.log")
	c.expectEQ(msg.Attachments[1].Data, crash.Log)
	c.expectEQ(msg.Attachments[2].Name, "repro.txt")
	c.expectEQ(msg.Attachments[2].Data, syzRepro)
	c.expectEQ(msg.Attachments[3].Name, "repro.c")
	c.expectEQ(msg.Attachments[3].Data, crash.ReproC)
	body := `syzkaller has found reproducer for the following crash on kernel_commit1
	repo1/branch1
	compiler: compiler1
	.config is attached
	Raw console output is attached.
	C reproducer is attached
	syzkaller reproducer is attached. See https://goo.gl/kgGztJ
	for information about syzkaller reproducers


	report1
	`
	if msg.Body != body {
	t.Fatalf("got email body:\n%s\n\nwant:\n%s", msg.Body, body)
	}
	}

	// Send an invalid command.
	incoming4 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
	Date: Tue, 15 Aug 2017 14:59:00 -0700
	Message-ID: <abcdef>
	Subject: title1
	From: foo@bar.com
	To: %v
	Content-Type: text/plain

	#syz bad-command
	`, sender1)

	c.expectOK(c.POST("/_ah/mail/", incoming4))

	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	c.expectEQ(msg.To, []string{"<foo@bar.com>"})
	c.expectEQ(msg.Subject, crash.Title)
	c.expectEQ(msg.Headers["In-Reply-To"], []string{"<abcdef>"})
	if !strings.Contains(msg.Body, `> #syz bad-command

	unknown command "bad-command"
	`) {
	t.Fatal("no unknown command reply for bad command")
	}
	}

	// Now mark the bug as fixed.
	c.incomingEmail(sender1, "#syz fix: some: commit title")
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 0)

	// Check that the commit is now passed to builders.
	builderPollReq := &dashapi.BuilderPollReq{build.Manager}
	builderPollResp := new(dashapi.BuilderPollResp)
	c.expectOK(c.API(client2, key2, "builder_poll", builderPollReq, builderPollResp))
	c.expectEQ(len(builderPollResp.PendingCommits), 1)
	c.expectEQ(builderPollResp.PendingCommits[0], "some: commit title")

	build2 := testBuild(2)
	build2.Manager = build.Manager
	build2.Commits = []string{"some: commit title"}
	c.expectOK(c.API(client2, key2, "upload_build", build2, nil))

	// New crash must produce new bug in the first reporting.
	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))
	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	c.expectEQ(msg.Subject, crash.Title+" (2)")
	if msg.Sender == sender0 {
	t.Fatalf("same reporting ID for new bug")
	}
	}
	}

	// Bug must not be mailed to maintainers if maintainers list is empty.
	func TestEmailNoMaintainers(t *testing.T) {
	c := NewCtx(t)
	defer c.Close()

	build := testBuild(1)
	c.expectOK(c.API(client2, key2, "upload_build", build, nil))

	crash := testCrash(build, 1)
	c.expectOK(c.API(client2, key2, "report_crash", crash, nil))

	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	sender := (<-c.emailSink).Sender

	incoming1 := fmt.Sprintf(`Sender: syzkaller@googlegroups.com
	Date: Tue, 15 Aug 2017 14:59:00 -0700
	Message-ID: <1234>
	Subject: crash1
	From: %v
	To: foo@bar.com
	Content-Type: text/plain

	#syz upstream
	`, sender)
	c.expectOK(c.POST("/_ah/mail/", incoming1))

	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 0)
	}

	// Basic dup scenario: mark one bug as dup of another.
	func TestEmailDup(t *testing.T) {
	c := NewCtx(t)
	defer c.Close()

	build := testBuild(1)
	c.expectOK(c.API(client2, key2, "upload_build", build, nil))

	crash1 := testCrash(build, 1)
	crash1.Title = "BUG: slightly more elaborate title"
	c.expectOK(c.API(client2, key2, "report_crash", crash1, nil))

	crash2 := testCrash(build, 2)
	crash1.Title = "KASAN: another title"
	c.expectOK(c.API(client2, key2, "report_crash", crash2, nil))

	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 2)
	msg1 := <-c.emailSink
	msg2 := <-c.emailSink

	// Dup crash2 to crash1.
	c.incomingEmail(msg2.Sender, "#syz dup: BUG: slightly more elaborate title")
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 0)

	// Second crash happens again
	crash2.ReproC = []byte("int main() {}")
	c.expectOK(c.API(client2, key2, "report_crash", crash2, nil))
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 0)

	// Now close the original bug, and check that new bugs for dup are now created.
	c.incomingEmail(msg1.Sender, "#syz invalid")

	// New crash must produce new bug in the first reporting.
	c.expectOK(c.API(client2, key2, "report_crash", crash2, nil))
	{
	c.expectOK(c.GET("/email_poll"))
	c.expectEQ(len(c.emailSink), 1)
	msg := <-c.emailSink
	c.expectEQ(msg.Subject, crash2.Title+" (2)")
	}
	}