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Issue 919088 link

Starred by 1 user
Status: Verified
Owner:
kolos@chromium.org
Closed: Jan 4
Cc:
ifratric@google.com
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in blink::QualifiedName::NamespaceURI

Project Member Reported by ClusterFuzz, Jan 4 
Detailed report: https://clusterfuzz.com/testcase?key=5634604903694336

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000050
Crash State:
  blink::QualifiedName::NamespaceURI
  namespaceURI
  blink::WebElement::HasHTMLTagName
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=619898:619899

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5634604903694336

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.
Project Member

Comment 1 by ClusterFuzz, Jan 4

Components: Blink>DOM
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Jan 4

Labels: Test-Predator-Auto-Owner
Owner: kolos@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/aba15f91a3d6563d2af8574528a096e2023d9146 ([Password Generation] Crowdsource button titles for <form>less forms.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by bugdroid1@chromium.org, Jan 4 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c1abb542130f5607a0233d5f741bc28d07fbeb11

commit c1abb542130f5607a0233d5f741bc28d07fbeb11
Author: Maxim Kolosovskiy <kolos@chromium.org>
Date: Fri Jan 04 16:18:10 2019

[Password Generation] Missed <body> tag shouldn't crash button titles detection

Bug:  919089 ,  919088 , 910546
Change-Id: I0ce5a28ccf7f13cfa6fda547b628fbe6cf4d9a83
Reviewed-on: https://chromium-review.googlesource.com/c/1396032
Commit-Queue: Maxim Kolosovskiy <kolos@chromium.org>
Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619965}
[modify] https://crrev.com/c1abb542130f5607a0233d5f741bc28d07fbeb11/components/autofill/content/renderer/form_autofill_util.cc

Comment 4 by kolos@chromium.org, Jan 4

Status: Fixed (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Jan 5 

ClusterFuzz has detected this issue as fixed in range 619964:619965.

Detailed report: https://clusterfuzz.com/testcase?key=5634604903694336

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000050
Crash State:
  blink::QualifiedName::NamespaceURI
  namespaceURI
  blink::WebElement::HasHTMLTagName
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=619898:619899
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=619964:619965

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5634604903694336

See https://github.com/google/clusterfuzz-tools for instructions to reproduce this bug locally.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 6 by ClusterFuzz, Jan 5

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 5634604903694336 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
►

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