https://uberchromegw.corp.google.com/i/chromium.linux/builders/Linux%20Tests%20%28dbg%29%281%29/builds/58836

Those tests are failing.
  AutofillRendererTest.IgnoreNonUserGestureTextFieldChanges
  ChromeRenderViewTest.DidBlockContentType
  ChromeRenderViewTest.ImagesAllowedByDefault
  ChromeRenderViewTest.ImagesBlockedByDefault
  FormAutocompleteTest.AjaxSucceeded_FormlessElements
  FormAutocompleteTest.AjaxSucceeded_NoLongerVisible
  FormAutocompleteTest.AjaxSucceeded_NoLongerVisible_DifferentActionsSameData
  FormAutocompleteTest.AjaxSucceeded_NoLongerVisible_NoAction
  FormAutocompleteTest.AjaxSucceeded_StillVisible
  FormAutocompleteTest.InteractedFormNoLongerFocused_FocusNoLongerOnForm
  FormAutocompleteTest.InteractingInDifferentForms_FocusNoLongerOnForm
  FormAutocompleteTest.NoLongerVisibleBothNoActions
  PasswordAutofillAgentTest.AutocompletePasswordForReadonlyUsernameMatched
  PasswordAutofillAgentTest.AutofillNoUsernameWhenOtherCredentialsStored
  PasswordAutofillAgentTest.ClearPreviewWithAutofilledUsernameAndPassword
  PasswordAutofillAgentTest.ClearPreviewWithNotAutofilledUsernameAndPassword
  PasswordAutofillAgentTest.ClearPreviewWithPasswordAutofilled
  PasswordAutofillAgentTest.ClearPreviewWithUsernameAutofilled
  PasswordAutofillAgentTest.ClickAndSelect
  PasswordAutofillAgentTest.CredentialsOnClick
  PasswordAutofillAgentTest.FillSuggestion
  PasswordAutofillAgentTest.FillSuggestionIfUsernameReadOnly
  PasswordAutofillAgentTest.FillSuggestionPasswordChangeForms
  PasswordAutofillAgentTest.FillSuggestionPasswordChangeFormsOnlyPassword
  PasswordAutofillAgentTest.FindingFieldsWithAutofillPredictions
  PasswordAutofillAgentTest.FindingUsernameWithoutAutofillPredictions
  PasswordAutofillAgentTest.FormFillDataMustHaveUsername
  PasswordAutofillAgentTest.GestureRequiredTest
  PasswordAutofillAgentTest.IgnoreNotPasswordFields
  PasswordAutofillAgentTest.InitialAutocomplete
  PasswordAutofillAgentTest.InitialAutocompleteForEmptyAction
  PasswordAutofillAgentTest.InitialAutocompleteForMatchingFilledField
  PasswordAutofillAgentTest.InputWithNoForms
  PasswordAutofillAgentTest.NoAutocompleteForFilledFieldUnmatched
  PasswordAutofillAgentTest.NoAutocompleteForPasswordFieldUsernames
  PasswordAutofillAgentTest.NoAutocompleteForTextFieldPasswords
  PasswordAutofillAgentTest.NoAutocompletePasswordForReadonlyUsernameUnmatched
  PasswordAutofillAgentTest.NoCredentialsOnPasswordClick
  PasswordAutofillAgentTest.NoDOMActivationTest
  PasswordAutofillAgentTest.NoForm_NoPromptForAJAXSubmitWithoutNavigationAndElementsVisible
  PasswordAutofillAgentTest.NoForm_PromptForAJAXSubmitWithoutNavigation
  PasswordAutofillAgentTest.NoInitialAutocompleteForReadOnlyPassword
  PasswordAutofillAgentTest.NoopEditingDoesNotOverwriteManuallyEditedPassword
  PasswordAutofillAgentTest.NoPartialMatchForPrefilledUsername
  PasswordAutofillAgentTest.NotAutofillNoUsername
  PasswordAutofillAgentTest.NotShowPopupPasswordField
  PasswordAutofillAgentTest.OnChangeLoggingState_Activated
  PasswordAutofillAgentTest.OnChangeLoggingState_Deactivated
  PasswordAutofillAgentTest.PasswordAutofillTriggersOnChangeEventsOnLoad
  PasswordAutofillAgentTest.PasswordAutofillTriggersOnChangeEventsWaitForUsername
  PasswordAutofillAgentTest.PasswordGenerationSupersedesAutofill
  PasswordAutofillAgentTest.PasswordGenerationTriggered_GeneratedPassword
  PasswordAutofillAgentTest.PasswordGenerationTriggered_TypedPassword
  PasswordAutofillAgentTest.PasswordNotClearedOnEdit
  PasswordAutofillAgentTest.PreviewSuggestion
  PasswordAutofillAgentTest.PreviewSuggestionIfUsernameReadOnly
  PasswordAutofillAgentTest.PreviewSuggestionSelectionRange
  PasswordAutofillAgentTest.ReadonlyPasswordFieldOnSubmit
  PasswordAutofillAgentTest.RememberAutofilledUsername
  PasswordAutofillAgentTest.RememberChosenUsernamePassword
  PasswordAutofillAgentTest.RememberFieldPropertiesOnInPageNavigation
  PasswordAutofillAgentTest.RememberFieldPropertiesOnSubmit
  PasswordAutofillAgentTest.RememberLastAutofilledUsernameAndPasswordOnSubmit_ScriptChanged
  PasswordAutofillAgentTest.RememberLastNonEmptyUsernameAndPasswordOnSubmit_New
  PasswordAutofillAgentTest.RememberLastNonEmptyUsernameAndPasswordOnSubmit_ScriptCleared
  PasswordAutofillAgentTest.RememberLastNonEmptyUsernameAndPasswordOnSubmit_UserCleared
  PasswordAutofillAgentTest.RememberLastTypedAfterAutofilledUsernameAndPasswordOnSubmit_ScriptChanged
  PasswordAutofillAgentTest.RememberLastTypedUsernameAndPasswordOnSubmit_ScriptChanged
  PasswordAutofillAgentTest.ShowPopupOnAutofilledPasswordField
  PasswordAutofillAgentTest.ShowPopupOnEmptyPasswordField
  PasswordAutofillAgentTest.ShowSuggestionForNonUsernameFieldForms
  PasswordAutofillAgentTest.SuggestionsOnFormContainingAmbiguousOrEmptyNames
  PasswordAutofillAgentTest.SuggestionsOnPasswordFieldOfChangePasswordForm
  PasswordAutofillAgentTest.SuggestionsOnUsernameFieldOfChangePasswordForm
  PasswordAutofillAgentTest.SuggestMultiplePasswordFields
  PasswordAutofillAgentTest.SuggestPasswordFieldSignInForm
  PasswordAutofillAgentTest.UsernameChangedAfterPasswordInput_FormSubmitted
  PasswordAutofillAgentTest.UsernameChangedAfterPasswordInput_InPageNavigation
  PasswordAutofillAgentTest.WaitUsername
  PasswordGenerationAgentTest.EditingTest
  PasswordGenerationAgentTest.FillTest
  PasswordGenerationAgentTest.FormClassifierVotesSigninForm
  PasswordGenerationAgentTest.FormClassifierVotesSignupForm
  PasswordGenerationAgentTest.ManualGenerationChangeFocusTest
  PasswordGenerationAgentTest.ManualGenerationInFormTest
  PasswordGenerationAgentTest.ManualGenerationNoFormTest
  PasswordGenerationAgentTest.MaximumOfferSize
  PasswordGenerationAgentTest.PresavingGeneratedPassword
  TranslateHelperBrowserTest.MultipleDifferentTranslations
  TranslateHelperBrowserTest.MultipleSimilarTranslations
  TranslateHelperBrowserTest.TranslateFailure
  TranslateHelperBrowserTest.TranslateLibNeverReady
  TranslateHelperBrowserTest.TranslateSuccess
  TranslateHelperBrowserTest.UndefinedSourceLang

Bisecting...

OK 432328 4f55b637f4b2f0dc5887b1e35b6ca7f7788c1701
NG 432358 862c7245d9b3f295df0db82f6e17c730d3f54825

humm.. I can't reproduce the error on my local machine.

I found strange stack trace.
https://luci-logdog.appspot.com/v/?s=chromium%2Fbb%2Fchromium.linux%2FLinux_Tests__dbg__1_%2F58836%2F%2B%2Frecipes%2Fsteps%2Fbrowser_side_navigation_browser_tests_on_Ubuntu-12.04%2F0%2Flogs%2FPasswordAutofillAgentTest.PreviewSuggestionIfUsernameReadOnly%2F0

PasswordAutofillAgentTest.PreviewSuggestionIfUsernameReadOnly (run #1):
[ RUN      ] PasswordAutofillAgentTest.PreviewSuggestionIfUsernameReadOnly
Received signal 11 SEGV_MAPERR 0000000004e2
#0 0x7fa1db4e896e base::debug::StackTrace::StackTrace()
#1 0x7fa1db4e84af base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7fa1db933cb0 <unknown>
#3 0x000000e2d8c8 logging::CheckEQImpl<>()
#4 0x00000104cca2 base::Pickle::headerT<>()
#5 0x00000104cc45 IPC::Message::header()
#6 0x00000384bb35 IPC::Message::is_reply()
#7 0x000003849f01 content::MockRenderThread::Send()
#8 0x7fa1d42cf8af content::RenderFrameImpl::Send()
#9 0x7fa1d25c6ea2 content::RenderFrameObserver::Send()
#10 0x00000140952d autofill::PasswordAutofillAgentTest::SimulateOnFillPasswordForm()
#11 0x0000013fc19b autofill::PasswordAutofillAgentTest_PreviewSuggestionIfUsernameReadOnly_Test::TestBody()
#12 0x000001051e8e _ZN7testing8internal12InvokeHelperIvSt5tupleIJEEE12InvokeMethodI14ServiceProcessMS6_FvvEEEvPT_T0_RKS3_
#13 0x000003999532 testing::internal::HandleExceptionsInMethodIfSupported<>()
#14 0x00000398e3c6 testing::Test::Run()
#15 0x00000398eb7d testing::TestInfo::Run()
#16 0x00000398f11f testing::TestCase::Run()
#17 0x00000399446c testing::internal::UnitTestImpl::RunAllTests()
#18 0x0000010514be _ZN7testing8internal12InvokeHelperIbSt5tupleIJEEE12InvokeMethodI20MockServiceIPCServerMS6_FbvEEEbPT_T0_RKS3_
#19 0x00000399abe2 testing::internal::HandleExceptionsInMethodIfSupported<>()
#20 0x00000399410f testing::UnitTest::Run()
#21 0x0000026f2f51 RUN_ALL_TESTS()
#22 0x0000026f1e62 base::TestSuite::Run()
#23 0x000002699260 ChromeTestSuiteRunner::RunTestSuite()
#24 0x000002699359 ChromeTestLauncherDelegate::RunTestSuite()
#25 0x00000387b882 content::LaunchTests()
#26 0x0000026996e9 LaunchChromeTests()
#27 0x000002699185 main
#28 0x7fa1c33677ed __libc_start_main
#29 0x0000007906a5 <unknown>
  r8: 0000000000000038  r9: 0101010101010101 r10: bd62c998560c8b00 r11: 00007fa1c33d0c52
 r12: 000000000079067c r13: 00007ffcfb5cd5d0 r14: 0000000000000000 r15: 0000000000000000
  di: 00000000000004e2  si: 00007ffcfb5cbfc0  bp: 00007ffcfb5cbf90  bx: 0000000000000000
  dx: 00000000000004e2  ax: 00000000000004d2  cx: bd62c998560c8b00  sp: 00007ffcfb5cbf70
  ip: 0000000000e2d8c8 efl: 0000000000010202 cgf: bd62000000000033 erf: 0000000000000004
 trp: 000000000000000e msk: 0000000000000000 cr2: 00000000000004e2
[end of stack trace]

I think PasswordAutofillAgentTest::SimulateOnFillPasswordForm() doesn't call RenderFrameObserver::Send().

It looks like caused by memory corruption.
I'm trying to reproduce using ASAN.

Thanks, horo@, indeed, this looks like corrupted vtable of password_autofill_agent_, perhaps it has been destroyed?

vasilii@, would you find time to have a look at this? I'm afraid I'm unable to until this week's training is over.

The blame range is https://chromium.googlesource.com/chromium/src/+log/4f55b637f4b2f0dc5887b1e35b6ca7f7788c1701..862c7245d9b3f295df0db82f6e17c730d3f54825

Also note that this has something to do with site isolation -- the build step is not "browser_test" here, but site_per_process_browser_tests (not sure which build settings this corresponds to, though).

Also, attaching the full log in case it disappears from the bot.

It's a shame that Findit throws HTTP 500 for this: https://findit-for-me.appspot.com/waterfall/build-failure?url=https%3A%2F%2Fbuild.chromium.org%2Fp%2Fchromium.linux%2Fbuilders%2FLinux%2520Tests%2520%2528dbg%2529%25281%2529%2Fbuilds%2F58836

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I hit the following violation which was already reported in  Issue 660479 .
I think it is not related to this bug.

=================================================================
==17643==ERROR: AddressSanitizer: odr-violation (0x7f84619230e0):
  [1] size=37 'blink::mojom::blink::OffscreenCanvasSurface::Name_' gen/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.cc:58:36
  [2] size=37 'blink::mojom::blink::OffscreenCanvasSurface::Name_' gen/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.cc:58:36
These globals were registered at these points:
  [1]:
    #0 0x920537  (/usr/local/google/home/horo/chromium/src/out/asan/browser_tests+0x920537)
    #1 0x7f84593c91dd  (/usr/local/google/home/horo/chromium/src/out/asan/./libblink_core.so+0x701c1dd)

  [2]:
    #0 0x920537  (/usr/local/google/home/horo/chromium/src/out/asan/browser_tests+0x920537)
    #1 0x7f8460bfa83d  (/usr/local/google/home/horo/chromium/src/out/asan/./libblink_platform.so+0x148783d)

==17643==HINT: if you don't care about these errors you may set ASAN_OPTIONS=detect_odr_violation=0
SUMMARY: AddressSanitizer: odr-violation: global 'blink::mojom::blink::OffscreenCanvasSurface::Name_' at gen/third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.cc:58:36
==17643==ABORTING

The failure has gone after build #58842.

https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests%20%28dbg%29%281%29

Thanks for the additional information, horo@.

Looking at the fixing build's blame range, I don't see which of the many CLs could fix this. I'm marking this as WontFix as we are not sure what the fix was and whether this is fixed for good.

If we ever need to restart investigation, here are some initial pointers:

Blamelist which introduced the failure: https://chromium.googlesource.com/chromium/src/+log/4f55b637f4b2f0dc5887b1e35b6ca7f7788c1701..862c7245d9b3f295df0db82f6e17c730d3f54825

Blamelist which made the failure disappear:
https://chromium.googlesource.com/chromium/src/+log/ff0c1a487b941b11478790642d92e94a1e765248%5E..73a9f66a9a89f66628ea6554f33750f3a17fd823

My observation in #8 about site isolation is a red herring, it failed in browser_tests step also (see attached log from the last failing build).

Deleted: Log File contents.html 2.6 MB

Log File contents.html 2.6 MB View Download