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Issue 626735 link

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Issue metadata

Status: Duplicate
Merged: issue 624321
Owner:
Last visit > 30 days ago
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::toScriptLoaderIfPossible

Project Member Reported by ClusterFuzz, Jul 8 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6241760900808704

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000010
Crash State:
  blink::toScriptLoaderIfPossible
  blink::HTMLScriptRunner::runScript
  blink::HTMLScriptRunner::execute
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=322535:322541

Minimized Testcase (0.48 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv976dtghKgjoAqGF_cYJj8c-hZBiHmWwlp5ytDjNAPSFLhRfXzI5yyN1i9dQARy9LzcsDBDI1cp8YTjrHSt9gs6hE8UF1rHvTf6m6VMnbu6so-NV_CPu_ESJS1Ti2ZPAIzNFV99_GcTlwqExOVIfNp5SufFOeg?testcase_id=6241760900808704
<style>
@import url(N#Va_=l|3M&amp;</style>
<script>
function eventhandler8() {
 /*Document*/ var var00102 = document;  //line 111
 /*Node*/ var var00103 = var00102;  //line 112
 /*HTMLDocument*/ var var00267 = document;  //line 303
 /*XMLSerializer*/ var var00268 = new XMLSerializer();  //line 304
 /*DOMString*/ var var00269 = var00268.serializeToString(var00103);  //line 305
 var00267.writeln(var00269);  //line 306
}
</script>
<style onload=eventhandler8()></style>
<iframe id=tCF2</iframe>


Additional requirements: Requires HTTP

Filer: mummareddy

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: sigbjo...@opera.com
Components: Blink>DOM
Labels: Te-Logged M-52 M-51
Owner: jww@chromium.org
Status: Assigned (was: Available)
From findit tool:

Author: jww@chromium.org
Project: chromium-blink
Changelist: https://chromium.googlesource.com/chromium/blink.git/+/fb8b90923f07241042ff3a9b3e277b369a100b00
Time: Fri Mar 27 03:36:14 2015
File ScriptLoader.cpp is changed in this cl (and is part of stack frame #1, "isHTMLScriptLoader"; frame #2, "blink::toScriptLoaderIfPossible")
Minimum distance from crash line to modified line: 2. (file: ScriptLoader.cpp, crashed on: 340, modified: 342).

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

Through code search on file ScriptLoader.cpp suspected CL is 
https://chromium.googlesource.com/chromium/src/+/cb7d218fb4605744596dbb2b722f3e8934227093
This is  issue 624321  etc all over again.
Project Member

Comment 3 by ClusterFuzz, Jul 9 2016

ClusterFuzz has detected this issue as fixed in range 402095:402107.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6241760900808704

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000010
Crash State:
  blink::toScriptLoaderIfPossible
  blink::HTMLScriptRunner::runScript
  blink::HTMLScriptRunner::execute
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=322535:322541
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_content_shell_drt&range=402095:402107

Minimized Testcase (0.48 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv976dtghKgjoAqGF_cYJj8c-hZBiHmWwlp5ytDjNAPSFLhRfXzI5yyN1i9dQARy9LzcsDBDI1cp8YTjrHSt9gs6hE8UF1rHvTf6m6VMnbu6so-NV_CPu_ESJS1Ti2ZPAIzNFV99_GcTlwqExOVIfNp5SufFOeg?testcase_id=6241760900808704
<style>
@import url(N#Va_=l|3M&amp;</style>
<script>
function eventhandler8() {
 /*Document*/ var var00102 = document;  //line 111
 /*Node*/ var var00103 = var00102;  //line 112
 /*HTMLDocument*/ var var00267 = document;  //line 303
 /*XMLSerializer*/ var var00268 = new XMLSerializer();  //line 304
 /*DOMString*/ var var00269 = var00268.serializeToString(var00103);  //line 305
 var00267.writeln(var00269);  //line 306
}
</script>
<style onload=eventhandler8()></style>
<iframe id=tCF2</iframe>


Additional requirements: Requires HTTP

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.
Status: Fixed (was: Assigned)
Cc: jww@chromium.org
Mergedinto: 624321
Owner: dominicc@chromium.org
Status: Duplicate (was: Fixed)
Project Member

Comment 6 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

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