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email_test.go
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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 main
import (
"context"
"fmt"
"strings"
"testing"
"time"
"github.com/google/syzkaller/dashboard/dashapi"
"github.com/google/syzkaller/pkg/email"
"github.com/google/syzkaller/sys/targets"
"github.com/stretchr/testify/assert"
)
// nolint: funlen
func TestEmailReport(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrash(build, 1)
crash.Maintainers = []string{`"Foo Bar" <foo@bar.com>`, `bar@foo.com`, `idont@want.EMAILS`}
c.client2.ReportCrash(crash)
// Report the crash over email and check all fields.
var sender0, extBugID0, body0 string
var dbBug0 *Bug
{
msg := c.pollEmailBug()
sender0 = msg.Sender
body0 = msg.Body
sender, extBugID, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
extBugID0 = extBugID
dbBug, dbCrash, dbBuild := c.loadBug(extBugID0)
dbBug0 = dbBug
crashLogLink := externalLink(c.ctx, textCrashLog, dbCrash.Log)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
c.expectEQ(sender, fromAddr(c.ctx))
to := c.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), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`Hello,
syzbot found the following issue on:
HEAD commit: 111111111111 kernel_commit_title1
git tree: repo1 branch1
console output: %[2]v
kernel config: %[3]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
compiler: compiler1
CC: [bar@foo.com foo@bar.com idont@want.EMAILS]
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1]v@testapp.appspotmail.com
report1
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup`,
extBugID0, crashLogLink, kernelConfigLink))
c.checkURLContents(crashLogLink, crash.Log)
c.checkURLContents(kernelConfigLink, build.KernelConfig)
}
// Emulate receive of the report from a mailing list.
// This should update the bug with the link/Message-ID.
// nolint: lll
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 issue.
If you forgot to add the Reported-by tag, once the fix for this bug is merged
into any tree, please 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)
_, err := c.POST("/_ah/mail/", incoming1)
c.expectOK(err)
// Emulate that somebody sends us our own email back without quoting.
// We used to extract "#syz fix: exact-commit-title" from it.
c.incomingEmail(sender0, body0)
c.incomingEmail(sender0, "I don't want emails", EmailOptFrom(`"idont" <idont@WANT.emails>`))
c.expectNoEmail()
// This person sends an email and is listed as a maintainer, but opt-out of emails.
// We should not send anything else to them for this bug. Also don't warn about no mailing list in CC.
c.incomingEmail(sender0, "#syz uncc", EmailOptFrom(`"IDONT" <Idont@want.emails>`), EmailOptCC(nil))
c.expectNoEmail()
// Now report syz reproducer and check updated email.
build2 := testBuild(10)
build2.Arch = targets.I386
build2.KernelRepo, build2.KernelBranch = testConfig.Namespaces["test2"].mainRepoBranch()
build2.KernelCommitTitle = "a really long title, longer than 80 chars, really long-long-long-long-long-long title"
c.client2.UploadBuild(build2)
crash.BuildID = build2.ID
crash.ReproOpts = []byte("repro opts")
crash.ReproSyz = []byte("getpid()")
syzRepro := []byte(fmt.Sprintf("# https://testapp.appspot.com/bug?id=%v\n%s#%s\n%s",
dbBug0.keyHash(c.ctx), syzReproPrefix, crash.ReproOpts, crash.ReproSyz))
c.client2.ReportCrash(crash)
{
msg := c.pollEmailBug()
c.expectEQ(msg.Sender, sender0)
sender, _, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
_, dbCrash, dbBuild := c.loadBug(extBugID0)
reproSyzLink := externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
crashLogLink := externalLink(c.ctx, textCrashLog, dbCrash.Log)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
c.expectEQ(sender, fromAddr(c.ctx))
to := []string{
"always@cc.me",
"bugs2@syzkaller.com",
"bugs@syzkaller.com", // This is from incomingEmail.
"default@sender.com", // This is from incomingEmail.
"foo@bar.com",
c.config().Namespaces["test2"].Reporting[0].Config.(*EmailConfig).Email,
}
c.expectEQ(msg.To, to)
c.expectEQ(msg.Subject, "Re: "+crash.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Headers["In-Reply-To"], []string{"<1234>"})
c.expectEQ(msg.Body, fmt.Sprintf(`syzbot has found a reproducer for the following issue on:
HEAD commit: 101010101010 a really long title, longer than 80 chars, re..
git tree: repo10alias
console output: %[3]v
kernel config: %[4]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
compiler: compiler10
userspace arch: i386
syz repro: %[2]v
CC: [bar@foo.com foo@bar.com maintainers@repo10.org bugs@repo10.org]
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1]v@testapp.appspotmail.com
report1
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
`, extBugID0, reproSyzLink, crashLogLink, kernelConfigLink))
c.checkURLContents(reproSyzLink, syzRepro)
c.checkURLContents(crashLogLink, crash.Log)
c.checkURLContents(kernelConfigLink, build2.KernelConfig)
}
// Now upstream the bug and check that it reaches the next reporting.
c.incomingEmail(sender0, "#syz upstream")
sender1, extBugID1 := "", ""
{
msg := c.pollEmailBug()
sender1 = msg.Sender
c.expectNE(sender1, sender0)
sender, extBugID, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
extBugID1 = extBugID
_, dbCrash, dbBuild := c.loadBug(extBugID1)
reproSyzLink := externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
crashLogLink := externalLink(c.ctx, textCrashLog, dbCrash.Log)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
c.expectEQ(sender, fromAddr(c.ctx))
c.expectEQ(msg.To, []string{
"always@cc.me",
"bar@foo.com",
"bugs@repo10.org",
"bugs@syzkaller.com",
"default@maintainers.com",
"foo@bar.com",
"maintainers@repo10.org",
})
c.expectEQ(msg.Subject, "[syzbot] "+crash.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`Hello,
syzbot found the following issue on:
HEAD commit: 101010101010 a really long title, longer than 80 chars, re..
git tree: repo10alias
console output: %[3]v
kernel config: %[4]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
compiler: compiler10
userspace arch: i386
syz repro: %[2]v
CC: [bar@foo.com foo@bar.com maintainers@repo10.org bugs@repo10.org]
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1]v@testapp.appspotmail.com
report1
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup`,
extBugID1, reproSyzLink, crashLogLink, kernelConfigLink))
c.checkURLContents(reproSyzLink, syzRepro)
c.checkURLContents(crashLogLink, crash.Log)
c.checkURLContents(kernelConfigLink, build2.KernelConfig)
}
// 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)
_, err = c.POST("/_ah/mail/", incoming3)
c.expectOK(err)
// Now upload a C reproducer.
crash.ReproC = []byte("int main() {}")
crash.Maintainers = []string{"\"qux\" <qux@qux.com>"}
c.client2.ReportCrash(crash)
cRepro := []byte(fmt.Sprintf("// https://testapp.appspot.com/bug?id=%v\n%s",
dbBug0.keyHash(c.ctx), crash.ReproC))
{
msg := c.pollEmailBug()
c.expectEQ(msg.Sender, sender1)
sender, _, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
_, dbCrash, dbBuild := c.loadBug(extBugID1)
reproCLink := externalLink(c.ctx, textReproC, dbCrash.ReproC)
reproSyzLink := externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
crashLogLink := externalLink(c.ctx, textCrashLog, dbCrash.Log)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
c.expectEQ(sender, fromAddr(c.ctx))
c.expectEQ(msg.To, []string{
"always@cc.me",
"another@another.com", "bar@foo.com", "bugs@repo10.org",
"bugs@syzkaller.com", "default@maintainers.com", "foo@bar.com",
"maintainers@repo10.org", "new@new.com", "qux@qux.com"})
c.expectEQ(msg.Subject, "Re: [syzbot] "+crash.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`syzbot has found a reproducer for the following issue on:
HEAD commit: 101010101010 a really long title, longer than 80 chars, re..
git tree: repo10alias
console output: %[4]v
kernel config: %[5]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
compiler: compiler10
userspace arch: i386
syz repro: %[3]v
C reproducer: %[2]v
CC: [qux@qux.com maintainers@repo10.org bugs@repo10.org]
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1]v@testapp.appspotmail.com
report1
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
`, extBugID1, reproCLink, reproSyzLink, crashLogLink, kernelConfigLink))
c.checkURLContents(reproCLink, cRepro)
c.checkURLContents(reproSyzLink, syzRepro)
c.checkURLContents(crashLogLink, crash.Log)
c.checkURLContents(kernelConfigLink, build2.KernelConfig)
}
// 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)
_, err = c.POST("/_ah/mail/", incoming4)
c.expectOK(err)
{
msg := c.pollEmailBug()
c.expectEQ(msg.To, []string{"foo@bar.com"})
c.expectEQ(msg.Subject, "Re: title1")
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",
EmailOptCC([]string{"bugs@syzkaller.com", "default@maintainers.com"}),
EmailOptSubject("fix bug title"))
// Check that the commit is now passed to builders.
builderPollResp, _ := c.client2.BuilderPoll(build.Manager)
c.expectEQ(len(builderPollResp.PendingCommits), 1)
c.expectEQ(builderPollResp.PendingCommits[0], "some: commit title")
build3 := testBuild(3)
build3.Manager = build.Manager
build3.Commits = []string{"some: commit title"}
c.client2.UploadBuild(build3)
build4 := testBuild(4)
build4.Manager = build2.Manager
build4.Commits = []string{"some: commit title"}
c.client2.UploadBuild(build4)
// New crash must produce new bug in the first reporting.
c.client2.ReportCrash(crash)
{
msg := c.pollEmailBug()
c.expectEQ(msg.Subject, crash.Title+" (2)")
c.expectNE(msg.Sender, sender0)
}
}
// 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.client2.UploadBuild(build)
crash := testCrash(build, 1)
c.client2.ReportCrash(crash)
sender := c.pollEmailBug().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)
_, err := c.POST("/_ah/mail/", incoming1)
c.expectOK(err)
}
// 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.client2.UploadBuild(build)
crash1 := testCrash(build, 1)
crash1.Title = "BUG: slightly more elaborate title"
c.client2.ReportCrash(crash1)
crash2 := testCrash(build, 2)
crash2.Title = "KASAN: another title"
c.client2.ReportCrash(crash2)
msg1 := c.pollEmailBug()
msg2 := c.pollEmailBug()
// Dup crash2 to crash1.
c.incomingEmail(msg2.Sender, "#syz dup: BUG: slightly more elaborate title")
c.expectNoEmail()
// Second crash happens again.
crash2.ReproC = []byte("int main() {}")
c.client2.ReportCrash(crash2)
c.expectNoEmail()
// Now close the original bug, and check that new bugs for dup are now created.
c.incomingEmail(msg1.Sender, "#syz invalid")
// "uncc" command must not trugger error reply even for closed bug.
c.incomingEmail(msg1.Sender, "#syz uncc", EmailOptCC(nil))
c.expectNoEmail()
// New crash must produce new bug in the first reporting.
c.client2.ReportCrash(crash2)
{
msg := c.pollEmailBug()
c.expectEQ(msg.Subject, crash2.Title+" (2)")
}
}
func TestEmailDup2(t *testing.T) {
for i := 0; i < 4; i++ {
i := i
t.Run(fmt.Sprint(i), func(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash1 := testCrash(build, 1)
crash1.Title = "BUG: something bad"
c.client2.ReportCrash(crash1)
msg1 := c.pollEmailBug()
c.incomingEmail(msg1.Sender, "#syz upstream")
msg1 = c.pollEmailBug()
c.expectEQ(msg1.Subject, "[syzbot] BUG: something bad")
crash2 := testCrash(build, 2)
crash2.Title = "KASAN: another bad thing"
c.client2.ReportCrash(crash2)
msg2 := c.pollEmailBug()
c.incomingEmail(msg2.Sender, "#syz upstream")
msg2 = c.pollEmailBug()
c.expectEQ(msg2.Subject, "[syzbot] KASAN: another bad thing")
cc := EmailOptCC([]string{"bugs@syzkaller.com", "default@maintainers.com"})
switch i {
case 0:
c.incomingEmail(msg2.Sender, "#syz dup: BUG: something bad", cc)
case 1:
c.incomingEmail(msg2.Sender, "#syz dup: [syzbot] BUG: something bad", cc)
case 2:
c.incomingEmail(msg2.Sender, "#syz dup: [syzbot] [subsystemA?] BUG: something bad", cc)
default:
c.incomingEmail(msg2.Sender, "#syz dup: syzbot: BUG: something bad", cc)
reply := c.pollEmailBug()
c.expectTrue(strings.Contains(reply.Body, "can't find the dup bug"))
}
})
}
}
func TestEmailUndup(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash1 := testCrash(build, 1)
crash1.Title = "BUG: slightly more elaborate title"
c.client2.ReportCrash(crash1)
crash2 := testCrash(build, 2)
crash1.Title = "KASAN: another title"
c.client2.ReportCrash(crash2)
msg1 := c.pollEmailBug()
msg2 := c.pollEmailBug()
// Dup crash2 to crash1.
c.incomingEmail(msg2.Sender, "#syz dup BUG: slightly more elaborate title")
c.expectNoEmail()
// Undup crash2.
c.incomingEmail(msg2.Sender, "#syz undup")
c.expectNoEmail()
// Now close the original bug, and check that new crashes for the dup does not create bugs.
c.incomingEmail(msg1.Sender, "#syz invalid")
c.client2.ReportCrash(crash2)
c.expectNoEmail()
}
func TestEmailCrossReportingDup(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
tests := []struct {
bug int
dup int
result bool
}{
{0, 0, true},
{0, 1, false},
{0, 2, false},
{1, 0, false},
{1, 1, true},
{1, 2, true},
{2, 0, false},
{2, 1, false},
{2, 2, true},
}
for i, test := range tests {
t.Logf("duping %v->%v, expect %v", test.bug, test.dup, test.result)
c.advanceTime(24 * time.Hour) // to not hit email limit per day
crash1 := testCrash(build, 1)
crash1.Title = fmt.Sprintf("bug_%v", i)
c.client2.ReportCrash(crash1)
bugSender := c.pollEmailBug().Sender
cc := EmailOptCC([]string{"default@maintainers.com", "test@syzkaller.com",
"bugs@syzkaller.com", "default2@maintainers.com", "bugs2@syzkaller.com"})
for j := 0; j < test.bug; j++ {
c.incomingEmail(bugSender, "#syz upstream", cc)
bugSender = c.pollEmailBug().Sender
}
crash2 := testCrash(build, 2)
crash2.Title = fmt.Sprintf("dup_%v", i)
c.client2.ReportCrash(crash2)
dupSender := c.pollEmailBug().Sender
for j := 0; j < test.dup; j++ {
c.incomingEmail(dupSender, "#syz upstream", cc)
dupSender = c.pollEmailBug().Sender
}
c.incomingEmail(bugSender, "#syz dup: "+crash2.Title, cc)
if test.result {
c.expectNoEmail()
} else {
msg := c.pollEmailBug()
if !strings.Contains(msg.Body, "> #syz dup:") ||
!strings.Contains(msg.Body, "Can't dup bug to a bug in different reporting") {
c.t.Fatalf("bad reply body:\n%v", msg.Body)
}
}
}
}
func TestEmailErrors(t *testing.T) {
c := NewCtx(t)
defer c.Close()
// No reply for email without bug hash and no commands.
c.incomingEmail("syzbot@testapp.appspotmail.com", "Investment Proposal")
c.expectNoEmail()
// If email contains a command we need to reply.
c.incomingEmail("syzbot@testapp.appspotmail.com", "#syz invalid")
reply := c.pollEmailBug()
c.expectEQ(reply.To, []string{"default@sender.com"})
c.expectEQ(reply.Body, `> #syz invalid
I see the command but can't find the corresponding bug.
Please resend the email to syzbot+HASH@testapp.appspotmail.com address
that is the sender of the bug report (also present in the Reported-by tag).
`)
c.incomingEmail("syzbot+123@testapp.appspotmail.com", "#syz invalid")
reply = c.pollEmailBug()
c.expectEQ(reply.Body, `> #syz invalid
I see the command but can't find the corresponding bug.
The email is sent to syzbot+HASH@testapp.appspotmail.com address
but the HASH does not correspond to any known bug.
Please double check the address.
`)
}
func TestEmailFailedBuild(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
failedBuild := testBuild(10)
failedBuild.KernelRepo, failedBuild.KernelBranch = testConfig.Namespaces["test2"].mainRepoBranch()
failedBuild.KernelCommit = "kern2"
failedBuild.KernelCommitTitle = "failed build 1"
failedBuild.SyzkallerCommit = "syz2"
buildErrorReq := &dashapi.BuildErrorReq{
Build: *failedBuild,
Crash: dashapi.Crash{
Title: "failed build 1",
Report: []byte("report line 1\nreport line 2\n"),
Log: []byte("log line 1\nlog line 2\n"),
Maintainers: []string{"maintainer@crash"},
},
}
c.expectOK(c.client2.ReportBuildError(buildErrorReq))
msg := c.pollEmailBug()
sender, extBugID, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
_, dbCrash, dbBuild := c.loadBug(extBugID)
crashLogLink := externalLink(c.ctx, textCrashLog, dbCrash.Log)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
c.expectEQ(sender, fromAddr(c.ctx))
c.expectEQ(msg.To, []string{
"always@cc.me",
"test@syzkaller.com",
})
c.expectEQ(msg.Subject, buildErrorReq.Crash.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`Hello,
syzbot found the following issue on:
HEAD commit: kern2 failed build 1
git tree: repo10alias
console output: %[2]v
kernel config: %[3]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
compiler: compiler10
CC: [maintainer@crash maintainers@repo10.org bugs@repo10.org build-maintainers@repo10.org]
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1]v@testapp.appspotmail.com
report line 1
report line 2
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup`,
extBugID, crashLogLink, kernelConfigLink))
}
// Test for unfix command which should unmark a bug as fixed by any commits.
func TestEmailUnfix(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrash(build, 1)
c.client2.ReportCrash(crash)
msg := c.pollEmailBug()
c.incomingEmail(msg.Sender, "#syz fix: some commit")
c.expectNoEmail()
c.incomingEmail(msg.Sender, "#syz unfix")
c.expectNoEmail()
build2 := testBuild(2)
build2.Manager = build.Manager
build2.Commits = []string{"some commit"}
c.client2.UploadBuild(build2)
// The bug should be still unfixed, since we unmarked it.
c.client2.ReportCrash(crash)
c.expectNoEmail()
}
func TestEmailManagerCC(t *testing.T) {
c := NewCtx(t)
defer c.Close()
// Test that we add manager CC.
build1 := testBuild(1)
build1.Manager = specialCCManager
c.client2.UploadBuild(build1)
crash := testCrash(build1, 1)
c.client2.ReportCrash(crash)
msg := c.pollEmailBug()
c.expectEQ(msg.To, []string{
"always@manager.org",
"test@syzkaller.com",
})
// Test that we add manager maintainers.
c.incomingEmail(msg.Sender, "#syz upstream")
msg = c.pollEmailBug()
c.expectEQ(msg.To, []string{
"always@manager.org",
"bugs@syzkaller.com",
"default@maintainers.com",
"maintainers@manager.org",
})
// Test that we add manager build maintainers.
build2 := testBuild(2)
build2.Manager = specialCCManager
buildErrorReq := &dashapi.BuildErrorReq{
Build: *build2,
Crash: dashapi.Crash{
Title: "failed build 1",
Report: []byte("report\n"),
Log: []byte("log\n"),
},
}
c.expectOK(c.client2.ReportBuildError(buildErrorReq))
msg = c.pollEmailBug()
c.expectEQ(msg.To, []string{
"always@manager.org",
"test@syzkaller.com",
})
c.incomingEmail(msg.Sender, "#syz upstream")
msg = c.pollEmailBug()
c.expectEQ(msg.To, []string{
"always@manager.org",
"bugs@syzkaller.com",
"build-maintainers@manager.org",
"default@maintainers.com",
"maintainers@manager.org",
})
// Test that we don't add manager CC when the crash happened on 1+ managers.
build3 := testBuild(3)
build1.Manager = specialCCManager
c.client2.UploadBuild(build3)
crash = testCrash(build3, 2)
c.client2.ReportCrash(crash)
build4 := testBuild(4)
c.client2.UploadBuild(build4)
crash = testCrash(build4, 2)
c.client2.ReportCrash(crash)
msg = c.pollEmailBug()
c.expectEQ(msg.To, []string{
"test@syzkaller.com",
})
c.incomingEmail(msg.Sender, "#syz upstream")
msg = c.pollEmailBug()
c.expectEQ(msg.To, []string{
"bugs@syzkaller.com",
"default@maintainers.com",
})
}
func TestStraceReport(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrash(build, 1)
crash.Flags = dashapi.CrashUnderStrace
crash.Maintainers = []string{`"Foo Bar" <foo@bar.com>`, `bar@foo.com`, `idont@want.EMAILS`}
c.client2.ReportCrash(crash)
// Report the crash over email and check all fields.
msg := c.pollEmailBug()
_, extBugID, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
_, dbCrash, dbBuild := c.loadBug(extBugID)
crashLogLink := externalLink(c.ctx, textCrashLog, dbCrash.Log)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
c.expectEQ(msg.Body, fmt.Sprintf(`Hello,
syzbot found the following issue on:
HEAD commit: 111111111111 kernel_commit_title1
git tree: repo1 branch1
console+strace: %[2]v
kernel config: %[3]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
compiler: compiler1
CC: [bar@foo.com foo@bar.com idont@want.EMAILS]
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1]v@testapp.appspotmail.com
report1
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup`,
extBugID, crashLogLink, kernelConfigLink))
c.checkURLContents(crashLogLink, crash.Log)
}
func TestSubjectTitleParser(t *testing.T) {
tests := []struct {
inSubject string
outTitle string
outSeq int64
}{
{
inSubject: "Re: kernel BUG in blk_mq_dispatch_rq_list (4)",
outTitle: "kernel BUG in blk_mq_dispatch_rq_list",
outSeq: 3,
},
{
inSubject: "Re: [syzbot] kernel BUG in blk_mq_dispatch_rq_list (4)",
outTitle: "kernel BUG in blk_mq_dispatch_rq_list",
outSeq: 3,
},
{
// Make sure we always take the (number) at the end.
inSubject: "Re: kernel BUG in blk_mq_dispatch_rq_list(6) (4)",
outTitle: "kernel BUG in blk_mq_dispatch_rq_list(6)",
outSeq: 3,
},
{
inSubject: "RE: kernel BUG in blk_mq_dispatch_rq_list",
outTitle: "kernel BUG in blk_mq_dispatch_rq_list",
outSeq: 0,
},
{
// Make sure we trim the title.
inSubject: "RE: kernel BUG in blk_mq_dispatch_rq_list ",
outTitle: "kernel BUG in blk_mq_dispatch_rq_list",
outSeq: 0,
},
{
inSubject: "Re: ",
outTitle: "",
outSeq: 0,
},
{
inSubject: "Re: [syzbot]",
outTitle: "",
outSeq: 0,
},
{
inSubject: "Re: [syzbot] [subsystemA?]",
outTitle: "",
outSeq: 0,
},
{
// Make sure we delete filesystem tags.
inSubject: "Re: [syzbot] [ntfs3?] [ext4?] kernel BUG in blk_mq_dispatch_rq_list (4)",
outTitle: "kernel BUG in blk_mq_dispatch_rq_list",
outSeq: 3,
},
}
p := makeSubjectTitleParser(context.Background())
for _, test := range tests {
title, seq, err := p.parseTitle(test.inSubject)
if test.outTitle == "" {
if err == nil {
t.Fatalf("subj: %q, expected error, got none (%q)", test.inSubject, title)
}
} else if title != test.outTitle {
t.Fatalf("subj: %q, expected title=%q, got %q", test.inSubject, test.outTitle, title)
} else if seq != test.outSeq {
t.Fatalf("subj: %q, expected seq=%q, got %q", test.inSubject, test.outSeq, seq)
}
}
}
func TestBugFromSubjectInference(t *testing.T) {
c := NewCtx(t)
defer c.Close()
client := c.makeClient(clientPublicEmail, keyPublicEmail, true)
client2 := c.makeClient(clientPublicEmail2, keyPublicEmail2, true)
build := testBuild(1)
client.UploadBuild(build)
build2 := testBuild(2)
client2.UploadBuild(build2)
const crashTitle = "WARNING in corrupted"
upstreamCrash := func(client *apiClient, build *dashapi.Build, title string) string {
// Upload some garbage crashes.
crash := testCrash(build, 1)
crash.Title = title
crash.Log = []byte(fmt.Sprintf("log%v", title))
crash.Maintainers = []string{"maintainer@kernel.org"}
client.ReportCrash(crash)
sender := c.pollEmailBug().Sender
c.incomingEmail(sender, "#syz upstream\n")
return c.pollEmailBug().Sender
}
upstreamCrash(client, build, "unrelated crash")
origSender := upstreamCrash(client, build, crashTitle)
upstreamCrash(client, build, "unrelated crash 2")
mailingList := "<" + c.config().Namespaces["access-public-email"].Reporting[0].Config.(*EmailConfig).Email + ">"
// First try to ping some non-existing bug.
subject := "Re: unknown-bug"
c.incomingEmail("bugs@syzkaller.com",
syzTestGitBranchSamplePatch,
EmailOptOrigFrom("test@requester.com"),
EmailOptFrom(mailingList), EmailOptSubject(subject),
)
syzbotReply := c.pollEmailBug()
c.expectNE(syzbotReply.Sender, origSender)