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bisect_test.go
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bisect_test.go
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// Copyright 2019 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 (
"bytes"
"fmt"
"strings"
"testing"
"time"
"github.com/google/syzkaller/dashboard/dashapi"
"github.com/google/syzkaller/pkg/email"
db "google.golang.org/appengine/datastore"
)
// nolint: funlen
func TestBisectCause(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrash(build, 1)
c.client2.ReportCrash(crash)
c.client2.pollEmailBug()
// No repro - no bisection.
pollResp := c.client2.pollJobs(build.Manager)
c.expectEQ(pollResp.ID, "")
// Now upload 4 crashes with repros.
crash2 := testCrashWithRepro(build, 2)
c.client2.ReportCrash(crash2)
msg2 := c.client2.pollEmailBug()
// This is later, so will be bisected before the previous crash.
c.advanceTime(time.Hour)
crash3 := testCrashWithRepro(build, 3)
c.client2.ReportCrash(crash3)
c.client2.pollEmailBug()
// This does not have C repro, so will be bisected after the previous ones.
c.advanceTime(time.Hour)
crash4 := testCrashWithRepro(build, 4)
crash4.Title = "skip reporting2 with repro"
crash4.ReproC = nil
c.client2.ReportCrash(crash4)
msg4 := c.client2.pollEmailBug()
// This is from a different manager, so won't be bisected.
c.advanceTime(time.Hour)
build2 := testBuild(2)
c.client2.UploadBuild(build2)
crash5 := testCrashWithRepro(build2, 5)
c.client2.ReportCrash(crash5)
c.client2.pollEmailBug()
// When polling for jobs the expected order is as follows :=
// BisectCause #3
// BisectCause #2
// BisectCause #4
// After advancing time by 30 days, we get :=
// BisectFix #2
// BisectFix #3
// BisectFix #4
// BisectCause #3
pollResp = c.client2.pollJobs(build.Manager)
c.expectNE(pollResp.ID, "")
c.expectEQ(pollResp.Type, dashapi.JobBisectCause)
c.expectEQ(pollResp.Manager, build.Manager)
c.expectEQ(pollResp.KernelConfig, build.KernelConfig)
c.expectEQ(pollResp.SyzkallerCommit, build.SyzkallerCommit)
c.expectEQ(pollResp.ReproOpts, []byte("repro opts 3"))
c.expectEQ(pollResp.ReproSyz, []byte(
"# See https://goo.gl/kgGztJ for information about syzkaller reproducers.\n"+
"#repro opts 3\n"+
"syncfs(3)"))
c.expectEQ(pollResp.ReproC, []byte("int main() { return 3; }"))
// Since we did not reply, we should get the same response.
c.advanceTime(5 * 24 * time.Hour)
pollResp2 := c.client2.pollJobs(build.Manager)
c.expectEQ(pollResp, pollResp2)
// Bisection failed with an error.
done := &dashapi.JobDoneReq{
ID: pollResp.ID,
Log: []byte("bisect log 3"),
Error: []byte("bisect error 3"),
}
c.expectOK(c.client2.JobDone(done))
c.expectNoEmail()
// BisectCause #2
pollResp = c.client2.pollJobs(build.Manager)
c.expectNE(pollResp.ID, pollResp2.ID)
c.expectEQ(pollResp.ReproOpts, []byte("repro opts 2"))
// Bisection succeeded.
jobID := pollResp.ID
done = &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisect log 2"),
CrashTitle: "bisect crash title",
CrashLog: []byte("bisect crash log"),
CrashReport: []byte("bisect crash report"),
Commits: []dashapi.Commit{
{
Hash: "36e65cb4a0448942ec316b24d60446bbd5cc7827",
Title: "kernel: add a bug",
Author: "[email protected]",
AuthorName: "Author Kernelov",
CC: []string{
"[email protected]", "\"Reviewer2\" <[email protected]>",
// These must be filtered out:
"\"syzbot\" <[email protected]>",
},
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
_, extBugID, err := email.RemoveAddrContext(msg2.Sender)
c.expectOK(err)
dbBug, dbCrash, _ := c.loadBug(extBugID)
reproSyzLink := externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
reproCLink := externalLink(c.ctx, textReproC, dbCrash.ReproC)
dbJob, dbBuild, dbJobCrash := c.loadJob(jobID)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
bisectCrashReportLink := externalLink(c.ctx, textCrashReport, dbJob.CrashReport)
bisectCrashLogLink := externalLink(c.ctx, textCrashLog, dbJob.CrashLog)
bisectLogLink := externalLink(c.ctx, textLog, dbJob.Log)
crashLogLink := externalLink(c.ctx, textCrashLog, dbJobCrash.Log)
{
msg := c.pollEmailBug()
// Not mailed to commit author/cc because !MailMaintainers.
c.expectEQ(msg.To, []string{"[email protected]"})
c.expectEQ(msg.Subject, crash2.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`syzbot has bisected this issue to:
commit 36e65cb4a0448942ec316b24d60446bbd5cc7827
Author: Author Kernelov <[email protected]>
Date: Wed Feb 9 04:05:06 2000 +0000
kernel: add a bug
bisection log: %[2]v
start commit: 111111111111 kernel_commit_title1
git tree: repo1 branch1
final oops: %[3]v
console output: %[4]v
kernel config: %[5]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
syz repro: %[6]v
C reproducer: %[7]v
Reported-by: syzbot+%[1][email protected]
Fixes: 36e65cb4a044 ("kernel: add a bug")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
`, extBugID, bisectLogLink, bisectCrashReportLink, bisectCrashLogLink, kernelConfigLink, reproSyzLink, reproCLink))
syzRepro := []byte(fmt.Sprintf("# https://testapp.appspot.com/bug?id=%v\n%s#%s\n%s",
dbBug.keyHash(), syzReproPrefix, crash2.ReproOpts, crash2.ReproSyz))
cRepro := []byte(fmt.Sprintf("// https://testapp.appspot.com/bug?id=%v\n%s",
dbBug.keyHash(), crash2.ReproC))
c.checkURLContents(bisectLogLink, []byte("bisect log 2"))
c.checkURLContents(bisectCrashReportLink, []byte("bisect crash report"))
c.checkURLContents(bisectCrashLogLink, []byte("bisect crash log"))
c.checkURLContents(kernelConfigLink, []byte("config1"))
c.checkURLContents(reproSyzLink, syzRepro)
c.checkURLContents(reproCLink, cRepro)
}
// The next reporting must get bug report with bisection results.
c.incomingEmail(msg2.Sender, "#syz upstream")
{
msg := c.pollEmailBug()
_, extBugID2, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
c.expectEQ(msg.To, []string{
})
c.expectEQ(msg.Subject, "[syzbot] "+crash2.Title)
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
syz repro: %[4]v
C reproducer: %[5]v
The issue was bisected to:
commit 36e65cb4a0448942ec316b24d60446bbd5cc7827
Author: Author Kernelov <[email protected]>
Date: Wed Feb 9 04:05:06 2000 +0000
kernel: add a bug
bisection log: %[6]v
final oops: %[7]v
console output: %[8]v
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1][email protected]
Fixes: 36e65cb4a044 ("kernel: add a bug")
report2
---
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 [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches`,
extBugID2, crashLogLink, kernelConfigLink, reproSyzLink, reproCLink,
bisectLogLink, bisectCrashReportLink, bisectCrashLogLink))
}
// BisectCause #4
// Crash 4 is bisected in reporting with MailMaintainers.
// It also skipped second reporting because of the title.
c.incomingEmail(msg4.Sender, "#syz upstream")
msg4 = c.pollEmailBug()
c.expectEQ(msg4.To, []string{
})
pollResp = c.client2.pollJobs(build.Manager)
// Bisection succeeded.
jobID = pollResp.ID
done = &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisectcause log 4"),
CrashTitle: "bisectcause crash title 4",
CrashLog: []byte("bisectcause crash log 4"),
CrashReport: []byte("bisectcause crash report 4"),
Commits: []dashapi.Commit{
{
Hash: "36e65cb4a0448942ec316b24d60446bbd5cc7827",
Title: "kernel: add a bug",
Author: "[email protected]",
AuthorName: "Author Kernelov",
CC: []string{
"[email protected]", "\"Reviewer2\" <[email protected]>",
// These must be filtered out:
"\"syzbot\" <[email protected]>",
},
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
{
msg := c.pollEmailBug()
c.expectEQ(msg.Subject, crash4.Title)
c.expectEQ(msg.To, []string{
})
}
{
c.advanceTime(30 * 24 * time.Hour)
subjects := []string{"title3", "title1", "title5", "title3", "title5", "title1"}
for i := 0; i < 6; i++ {
msg := c.pollEmailBug()
if i < 3 {
c.expectEQ(msg.Subject, subjects[i])
c.expectTrue(strings.Contains(msg.Body, "Sending this report upstream."))
} else {
c.expectEQ(msg.Subject, "[syzbot] "+subjects[i])
c.expectTrue(strings.Contains(msg.Body, "syzbot found the following issue on"))
}
}
}
// BisectFix #2
pollResp = c.client2.pollJobs(build.Manager)
c.expectNE(pollResp.ID, "")
c.expectEQ(pollResp.Type, dashapi.JobBisectFix)
c.expectEQ(pollResp.ReproOpts, []byte("repro opts 2"))
c.advanceTime(5 * 24 * time.Hour)
pollResp2 = c.client2.pollJobs(build.Manager)
c.expectEQ(pollResp, pollResp2)
done = &dashapi.JobDoneReq{
ID: pollResp.ID,
Log: []byte("bisect log 2"),
Error: []byte("bisect error 2"),
}
c.expectOK(c.client2.JobDone(done))
// BisectFix #3
pollResp = c.client2.pollJobs(build.Manager)
c.expectNE(pollResp.ID, "")
c.expectEQ(pollResp.Type, dashapi.JobBisectFix)
c.expectEQ(pollResp.ReproOpts, []byte("repro opts 3"))
done = &dashapi.JobDoneReq{
ID: pollResp.ID,
Log: []byte("bisect log 3"),
Error: []byte("bisect error 3"),
}
c.expectOK(c.client2.JobDone(done))
// BisectFix #4
pollResp = c.client2.pollJobs(build.Manager)
c.expectNE(pollResp.ID, "")
c.expectEQ(pollResp.Type, dashapi.JobBisectFix)
c.expectEQ(pollResp.ReproOpts, []byte("repro opts 4"))
jobID = pollResp.ID
done = &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisectfix log 4"),
CrashTitle: "bisectfix crash title 4",
CrashLog: []byte("bisectfix crash log 4"),
CrashReport: []byte("bisectfix crash report 4"),
Commits: []dashapi.Commit{
{
Hash: "46e65cb4a0448942ec316b24d60446bbd5cc7827",
Title: "kernel: add a fix",
Author: "[email protected]",
AuthorName: "Author Kernelov",
CC: []string{
"[email protected]", "\"Reviewer2\" <[email protected]>",
// These must be filtered out:
"\"syzbot\" <[email protected]>",
},
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
_, extBugID, err = email.RemoveAddrContext(msg4.Sender)
c.expectOK(err)
dbBug, dbCrash, _ = c.loadBug(extBugID)
reproSyzLink = externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
reproCLink = externalLink(c.ctx, textReproC, dbCrash.ReproC)
dbJob, dbBuild, _ = c.loadJob(jobID)
kernelConfigLink = externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
bisectCrashReportLink = externalLink(c.ctx, textCrashReport, dbJob.CrashReport)
bisectCrashLogLink = externalLink(c.ctx, textCrashLog, dbJob.CrashLog)
bisectLogLink = externalLink(c.ctx, textLog, dbJob.Log)
{
msg := c.pollEmailBug()
// Not mailed to commit author/cc because !MailMaintainers.
// c.expectEQ(msg.To, []string{"[email protected]"})
c.expectEQ(msg.Subject, crash4.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`syzbot suspects this issue was fixed by commit:
commit 46e65cb4a0448942ec316b24d60446bbd5cc7827
Author: Author Kernelov <[email protected]>
Date: Wed Feb 9 04:05:06 2000 +0000
kernel: add a fix
bisection log: %[2]v
start commit: 111111111111 kernel_commit_title1
git tree: repo1 branch1
final oops: %[3]v
console output: %[4]v
kernel config: %[5]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
syz repro: %[6]v
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: kernel: add a fix
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
`, extBugID, bisectLogLink, bisectCrashReportLink, bisectCrashLogLink, kernelConfigLink, reproSyzLink, reproCLink))
syzRepro := []byte(fmt.Sprintf("# https://testapp.appspot.com/bug?id=%v\n%s#%s\n%s",
dbBug.keyHash(), syzReproPrefix, crash4.ReproOpts, crash4.ReproSyz))
c.checkURLContents(bisectLogLink, []byte("bisectfix log 4"))
c.checkURLContents(bisectCrashReportLink, []byte("bisectfix crash report 4"))
c.checkURLContents(bisectCrashLogLink, []byte("bisectfix crash log 4"))
c.checkURLContents(kernelConfigLink, []byte("config1"))
c.checkURLContents(reproSyzLink, syzRepro)
}
// No more bisection jobs.
pollResp = c.client2.pollJobs(build.Manager)
c.expectEQ(pollResp.ID, "")
}
func TestBisectCauseInconclusive(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
c.client2.ReportCrash(crash)
msg := c.client2.pollEmailBug()
pollResp := c.client2.pollJobs(build.Manager)
jobID := pollResp.ID
done := &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisect log"),
Commits: []dashapi.Commit{
{
Hash: "111111111111111111111111",
Title: "kernel: break build",
Author: "[email protected]",
AuthorName: "Hacker Kernelov",
CC: []string{"[email protected]", "[email protected]"},
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
{
Hash: "222222222222222222222222",
Title: "kernel: now add a bug to the broken build",
Author: "[email protected]",
AuthorName: "Author Kernelov",
CC: []string{"[email protected]", "[email protected]"},
Date: time.Date(2001, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
_, extBugID, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
_, dbCrash, _ := c.loadBug(extBugID)
reproSyzLink := externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
reproCLink := externalLink(c.ctx, textReproC, dbCrash.ReproC)
dbJob, dbBuild, dbJobCrash := c.loadJob(jobID)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
bisectLogLink := externalLink(c.ctx, textLog, dbJob.Log)
crashLogLink := externalLink(c.ctx, textCrashLog, dbJobCrash.Log)
{
msg := c.pollEmailBug()
// Not mailed to commit author/cc because !MailMaintainers.
c.expectEQ(msg.To, []string{"[email protected]"})
c.expectEQ(msg.Subject, crash.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`Bisection is inconclusive: the first bad commit could be any of:
111111111111 kernel: break build
222222222222 kernel: now add a bug to the broken build
bisection log: %[2]v
start commit: 111111111111 kernel_commit_title1
git tree: repo1 branch1
kernel config: %[3]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
syz repro: %[4]v
C reproducer: %[5]v
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
`, extBugID, bisectLogLink, kernelConfigLink, reproSyzLink, reproCLink))
}
// The next reporting must get bug report with bisection results.
c.incomingEmail(msg.Sender, "#syz upstream")
{
msg := c.pollEmailBug()
_, extBugID2, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
c.expectEQ(msg.To, []string{
})
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
syz repro: %[4]v
C reproducer: %[5]v
Bisection is inconclusive: the first bad commit could be any of:
111111111111 kernel: break build
222222222222 kernel: now add a bug to the broken build
bisection log: %[6]v
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1][email protected]
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 [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches`,
extBugID2, crashLogLink, kernelConfigLink, reproSyzLink, reproCLink, bisectLogLink))
}
}
func TestBisectWrong(t *testing.T) {
// Test bisection results with BisectResultMerge/BisectResultNoop flags set.
// If any of these set, the result must not be reported separately,
// as part of bug report during upstreamming, nor should affect CC list.
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
for i := 0; i < 6; i++ {
var flags dashapi.JobDoneFlags
switch i {
case 0:
case 1:
flags = dashapi.BisectResultMerge
case 2:
flags = dashapi.BisectResultNoop
case 3:
flags = dashapi.BisectResultMerge | dashapi.BisectResultNoop
case 4:
flags = dashapi.BisectResultRelease
case 5:
flags = dashapi.BisectResultIgnore
default:
t.Fatalf("assign flags")
}
t.Logf("iteration %v: flags=%v", i, flags)
crash := testCrashWithRepro(build, i)
c.client2.ReportCrash(crash)
c.client2.pollEmailBug()
{
pollResp := c.client2.pollJobs(build.Manager)
done := &dashapi.JobDoneReq{
ID: pollResp.ID,
Flags: flags,
Build: *build,
Log: []byte("bisect log"),
Commits: []dashapi.Commit{
{
Hash: "111111111111111111111111",
Title: "kernel: break build",
Author: "[email protected]",
AuthorName: "Hacker Kernelov",
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = pollResp.ID
c.expectOK(c.client2.JobDone(done))
if i == 0 {
msg := c.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "syzbot has bisected this issue to:"))
} else {
c.expectNoEmail()
}
}
{
c.advanceTime(31 * 24 * time.Hour)
pollResp := c.client2.pollJobs(build.Manager)
done := &dashapi.JobDoneReq{
ID: pollResp.ID,
Flags: flags,
Build: *build,
Log: []byte("bisectfix log 4"),
CrashTitle: "bisectfix crash title 4",
CrashLog: []byte("bisectfix crash log 4"),
CrashReport: []byte("bisectfix crash report 4"),
Commits: []dashapi.Commit{
{
Hash: "46e65cb4a0448942ec316b24d60446bbd5cc7827",
Title: "kernel: add a fix",
Author: "[email protected]",
AuthorName: "Author Kernelov",
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = pollResp.ID
c.expectOK(c.client2.JobDone(done))
if i == 0 {
msg := c.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "syzbot suspects this issue was fixed by commit:"))
}
}
{
// Auto-upstreamming.
c.advanceTime(31 * 24 * time.Hour)
msg := c.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "Sending this report upstream"))
msg = c.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "syzbot found the following issue on:"))
if i == 0 {
c.expectTrue(strings.Contains(msg.Body, "The issue was bisected to:"))
c.expectEQ(msg.To, []string{
})
} else {
c.expectTrue(!strings.Contains(msg.Body, "The issue was bisected to:"))
c.expectEQ(msg.To, []string{
})
}
}
c.expectNoEmail()
}
}
func TestBisectCauseAncient(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
c.client2.ReportCrash(crash)
msg := c.client2.pollEmailBug()
pollResp := c.client2.pollJobs(build.Manager)
jobID := pollResp.ID
done := &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisect log"),
CrashTitle: "bisect crash title",
CrashLog: []byte("bisect crash log"),
CrashReport: []byte("bisect crash report"),
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
_, extBugID, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
_, dbCrash, _ := c.loadBug(extBugID)
reproSyzLink := externalLink(c.ctx, textReproSyz, dbCrash.ReproSyz)
reproCLink := externalLink(c.ctx, textReproC, dbCrash.ReproC)
dbJob, dbBuild, dbJobCrash := c.loadJob(jobID)
bisectCrashReportLink := externalLink(c.ctx, textCrashReport, dbJob.CrashReport)
bisectCrashLogLink := externalLink(c.ctx, textCrashLog, dbJob.CrashLog)
kernelConfigLink := externalLink(c.ctx, textKernelConfig, dbBuild.KernelConfig)
bisectLogLink := externalLink(c.ctx, textLog, dbJob.Log)
crashLogLink := externalLink(c.ctx, textCrashLog, dbJobCrash.Log)
{
msg := c.pollEmailBug()
// Not mailed to commit author/cc because !MailMaintainers.
c.expectEQ(msg.To, []string{"[email protected]"})
c.expectEQ(msg.Subject, crash.Title)
c.expectEQ(len(msg.Attachments), 0)
c.expectEQ(msg.Body, fmt.Sprintf(`Bisection is inconclusive: the issue happens on the oldest tested release.
bisection log: %[2]v
oldest commit: 111111111111 kernel_commit_title1
git tree: repo1 branch1
final oops: %[3]v
console output: %[4]v
kernel config: %[5]v
dashboard link: https://testapp.appspot.com/bug?extid=%[1]v
syz repro: %[6]v
C reproducer: %[7]v
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
`, extBugID, bisectLogLink, bisectCrashReportLink, bisectCrashLogLink,
kernelConfigLink, reproSyzLink, reproCLink))
}
// The next reporting must get bug report with bisection results.
c.incomingEmail(msg.Sender, "#syz upstream")
{
msg := c.pollEmailBug()
_, extBugID2, err := email.RemoveAddrContext(msg.Sender)
c.expectOK(err)
c.expectEQ(msg.To, []string{
})
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
syz repro: %[4]v
C reproducer: %[5]v
Bisection is inconclusive: the issue happens on the oldest tested release.
bisection log: %[6]v
final oops: %[7]v
console output: %[8]v
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+%[1][email protected]
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 [email protected].
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot can test patches for this issue, for details see:
https://goo.gl/tpsmEJ#testing-patches`,
extBugID2, crashLogLink, kernelConfigLink, reproSyzLink, reproCLink,
bisectLogLink, bisectCrashReportLink, bisectCrashLogLink))
}
}
func TestBisectCauseExternal(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
c.client.ReportCrash(crash)
rep := c.client.pollBug()
pollResp := c.client.pollJobs(build.Manager)
c.expectNE(pollResp.ID, "")
jobID := pollResp.ID
done := &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisect log"),
Commits: []dashapi.Commit{
{
Hash: "111111111111111111111111",
Title: "kernel: break build",
Author: "[email protected]",
AuthorName: "Hacker Kernelov",
CC: []string{"[email protected]", "[email protected]"},
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = jobID
c.expectOK(c.client.JobDone(done))
resp, _ := c.client.ReportingPollBugs("test")
c.expectEQ(len(resp.Reports), 1)
// Still reported because we did not ack.
bisect := c.client.pollBug()
// pollBug acks, must not be reported after that.
c.client.pollBugs(0)
c.expectEQ(bisect.Type, dashapi.ReportBisectCause)
c.expectEQ(bisect.Title, rep.Title)
}
func TestBisectFixExternal(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
c.client.ReportCrash(crash)
rep := c.client.pollBug()
{
// Cause bisection fails.
pollResp := c.client.pollJobs(build.Manager)
done := &dashapi.JobDoneReq{
ID: pollResp.ID,
Log: []byte("bisect log"),
Error: []byte("bisect error"),
}
c.expectOK(c.client.JobDone(done))
}
c.advanceTime(31 * 24 * time.Hour)
{
// Fix bisection succeeds.
pollResp := c.client.pollJobs(build.Manager)
done := &dashapi.JobDoneReq{
ID: pollResp.ID,
Build: *build,
Log: []byte("bisectfix log"),
CrashTitle: "bisectfix crash title",
CrashLog: []byte("bisectfix crash log"),
CrashReport: []byte("bisectfix crash report"),
Commits: []dashapi.Commit{
{
Hash: "46e65cb4a0448942ec316b24d60446bbd5cc7827",
Title: "kernel: add a fix",
Author: "[email protected]",
AuthorName: "Author Kernelov",
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
done.Build.ID = pollResp.ID
c.expectOK(c.client.JobDone(done))
rep := c.client.pollBug()
c.expectEQ(rep.Type, dashapi.ReportBisectFix)
}
{
// At this point the bug should be marked as fixed by the commit
// because the namespace has FixBisectionAutoClose set.
dbBug, _, _ := c.loadBug(rep.ID)
c.expectEQ(dbBug.Commits, []string{"kernel: add a fix"})
}
}
func TestBisectCauseReproSyz(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
crash.ReproC = nil
c.client2.ReportCrash(crash)
pollResp := c.client2.pollJobs(build.Manager)
jobID := pollResp.ID
done := &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisect log"),
CrashTitle: "bisect crash title",
CrashLog: []byte("bisect crash log"),
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
crash.ReproC = []byte("int main")
c.client2.ReportCrash(crash)
msg := c.client2.pollEmailBug()
if !strings.Contains(msg.Body, "syzbot found the following issue") {
t.Fatalf("wrong email header:\n%v", msg.Body)
}
if !strings.Contains(msg.Body, "Bisection is inconclusive") {
t.Fatalf("report does not contain bisection results:\n%v", msg.Body)
}
}
func TestBisectCauseReproSyz2(t *testing.T) {
c := NewCtx(t)
defer c.Close()
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
crash.ReproC = nil
c.client2.ReportCrash(crash)
pollResp := c.client2.pollJobs(build.Manager)
jobID := pollResp.ID
done := &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisect log"),
CrashTitle: "bisect crash title",
CrashLog: []byte("bisect crash log"),
}
done.Build.ID = jobID
c.expectOK(c.client2.JobDone(done))
msg := c.client2.pollEmailBug()
if !strings.Contains(msg.Body, "syzbot found the following issue") {
t.Fatalf("wrong email header:\n%v", msg.Body)
}
if !strings.Contains(msg.Body, "Bisection is inconclusive") {
t.Fatalf("report does not contain bisection results:\n%v", msg.Body)
}
crash.ReproC = []byte("int main")
c.client2.ReportCrash(crash)
msg = c.client2.pollEmailBug()
if !strings.Contains(msg.Body, "syzbot has found a reproducer for the following issue") {
t.Fatalf("wrong email header:\n%v", msg.Body)
}
// Do we need bisection results in this email as well?
// We already mailed them, so we could not mail them here.
// But if we don't include bisection results, need to check that CC is correct
// (includes bisection CC).
if !strings.Contains(msg.Body, "Bisection is inconclusive") {
t.Fatalf("report still contains bisection results:\n%v", msg.Body)
}
}
// Test that bisection results show up on UI.
func TestBugBisectionResults(t *testing.T) {
c := NewCtx(t)
defer c.Close()
// Upload a crash report.
build := testBuild(1)
c.client2.UploadBuild(build)
crash := testCrashWithRepro(build, 1)
c.client2.ReportCrash(crash)
c.client2.pollEmailBug()
// Receive the JobBisectCause and send cause information.
resp := c.client2.pollJobs(build.Manager)
c.client2.expectNE(resp.ID, "")
c.client2.expectEQ(resp.Type, dashapi.JobBisectCause)
jobID := resp.ID
done := &dashapi.JobDoneReq{
ID: jobID,
Build: *build,
Log: []byte("bisectfix log 4"),
CrashTitle: "bisectfix crash title 4",
CrashLog: []byte("bisectfix crash log 4"),
CrashReport: []byte("bisectfix crash report 4"),
Commits: []dashapi.Commit{
{
Hash: "36e65cb4a0448942ec316b24d60446bbd5cc7827",
Title: "kernel: add a bug",
Author: "[email protected]",
AuthorName: "Author Kernelov",
CC: []string{
"[email protected]", "\"Reviewer2\" <[email protected]>",
// These must be filtered out:
"\"syzbot\" <[email protected]>",
},
Date: time.Date(2000, 2, 9, 4, 5, 6, 7, time.UTC),
},
},
}
c.expectOK(c.client2.JobDone(done))
// Advance time by 30 days and read out any notification emails.
{
c.advanceTime(30 * 24 * time.Hour)
msg := c.client2.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "syzbot has bisected this issue to:"))
msg = c.client2.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "Sending this report upstream."))
msg = c.client2.pollEmailBug()
c.expectTrue(strings.Contains(msg.Body, "syzbot found the following issue"))
}
// Receive a JobBisectfix and send fix information.
resp = c.client2.pollJobs(build.Manager)
c.client2.expectNE(resp.ID, "")
c.client2.expectEQ(resp.Type, dashapi.JobBisectFix)
jobID = resp.ID