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Issue metadata

Status: Verified
Owner: ----
Closed: Jan 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Regression



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Crash in treeScope

Project Member Reported by ClusterFuzz, Oct 13 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6430647667392512

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000020
Crash State:
  treeScope
  shadowDepthOf<blink::EditingAlgorithm<blink::NodeTraversal>
  blink::TextIteratorAlgorithm<blink::EditingAlgorithm<blink::NodeTraversal> >::in
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=324711:324828

Minimized Testcase (3.50 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94IvatQzOVf51CNRykEYtDeNg9i9leUQR8nXwDUrdng-Ii82InYhryaz_yZShKA0JZC5HJIUiEjIo6VcfKlpOC6qzOtcIOH6UTJuvRkBOVuITXDjHcXKDL0xZqdOo-TQMbuLArv-787ITtxznjNtOfOr6BChw?testcase_id=6430647667392512

Issue manually filed by: nyerramilli

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: nyerramilli@chromium.org
Components: Blink>Editing Tools>Test>FindIt>CorrectResult
Labels: -Pri-1 -Type-Bug Findit-for-crash M-56 Te-Logged Pri-2 Type-Bug-Regression
Owner: yosin@chromium.org
Status: Assigned (was: Untriaged)
Providing Findit results for internal purpose:
Suspected CLs	The result is a list of CLs that change the crashed files.

Author: yosin@chromium.org
Project: chromium-blink
Changelist: https://chromium.googlesource.com/chromium/blink.git/+/f95657dc086584f4f821f65b56bcf00fcd6a3499
Time: Mon Apr 13 01:24:17 2015
File TextIterator.cpp is changed in this cl (and is part of stack frame #2, "shadowDepthOf >"; frame #3, "blink::TextIteratorAlgorithm >::initialize"; frame #4, "blink::TextIteratorAlgorithm >::rangeLength")
Minimum distance from crash line to modified line: 12. (file: TextIterator.cpp, crashed on: 127, modified: 139).

Suspected Project: chromium-blink
Suspected Component: Blink>Editing

based on Findit results, assigning to yosin@, could you please check the issue.
Project Member

Comment 2 by ClusterFuzz, Oct 13 2016

ClusterFuzz has detected this issue as fixed in range 424153:424757.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6430647667392512

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000020
Crash State:
  treeScope
  shadowDepthOf<blink::EditingAlgorithm<blink::NodeTraversal>
  blink::TextIteratorAlgorithm<blink::EditingAlgorithm<blink::NodeTraversal> >::in
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=324711:324828
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=424153:424757

Minimized Testcase (3.50 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94IvatQzOVf51CNRykEYtDeNg9i9leUQR8nXwDUrdng-Ii82InYhryaz_yZShKA0JZC5HJIUiEjIo6VcfKlpOC6qzOtcIOH6UTJuvRkBOVuITXDjHcXKDL0xZqdOo-TQMbuLArv-787ITtxznjNtOfOr6BChw?testcase_id=6430647667392512

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

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

Comment 3 by ClusterFuzz, Oct 14 2016

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6651938039136256

Fuzzer: bj_broddelwerk
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000020
Crash State:
  treeScope
  shadowDepthOf<blink::EditingAlgorithm<blink::NodeTraversal>
  blink::TextIteratorAlgorithm<blink::EditingAlgorithm<blink::NodeTraversal> >::in
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=324711:324828

Minimized Testcase (1.78 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94Iaxmi0aonqXhYXcnnJyWNWJiO-6chmyFElNOmQa_t5KQ5Od8lHlk2hCEASmQ0X8JYzwuYu9nVOJ95OmhX3IvGioyR29C42IXkVI0kWRMbyF8HizR3xmLTbtQTubw5Xzvaiq2aNLnwMdR2LX6MXGZ-WcE2ew?testcase_id=6651938039136256

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
Project Member

Comment 4 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Comment 5 by yosin@chromium.org, Dec 2 2016

Status: Available (was: Assigned)

Comment 6 by yosin@chromium.org, Dec 2 2016

Owner: ----
Project Member

Comment 7 by ClusterFuzz, Jan 10 2017

ClusterFuzz has detected this issue as fixed in range 441510:441524.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6651938039136256

Fuzzer: bj_broddelwerk
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000020
Crash State:
  treeScope
  shadowDepthOf<blink::EditingAlgorithm<blink::NodeTraversal>
  blink::TextIteratorAlgorithm<blink::EditingAlgorithm<blink::NodeTraversal> >::in
  
Sanitizer: address (ASAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=324711:324828
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_lsan_chrome_mp&range=441510:441524

Minimized Testcase (1.78 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94Iaxmi0aonqXhYXcnnJyWNWJiO-6chmyFElNOmQa_t5KQ5Od8lHlk2hCEASmQ0X8JYzwuYu9nVOJ95OmhX3IvGioyR29C42IXkVI0kWRMbyF8HizR3xmLTbtQTubw5Xzvaiq2aNLnwMdR2LX6MXGZ-WcE2ew?testcase_id=6651938039136256

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

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

Comment 8 by ClusterFuzz, Jan 10 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 6430647667392512 is verified as fixed, so closing issue.

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

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