Bug 1641396

Summary: [abrt] webkit2gtk3: WebKit::ShareableBitmap::isBackedBySharedMemory(): WebKitWebProcess killed by SIGSEGV
Product: [Fedora] Fedora Reporter: Louis van Dyk <louis>
Component: webkit2gtk3Assignee: Tomas Popela <tpopela>
Status: CLOSED UPSTREAM QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 28CC: tpopela
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/ac606d95e067e9036f129b3f0a7447e006d69b3c
Whiteboard: abrt_hash:3ed6491955e309178f083d3dea60cad69f78aae2;VARIANT_ID=workstation;
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-10-22 07:18:35 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: backtrace
none
File: cgroup
none
File: core_backtrace
none
File: cpuinfo
none
File: dso_list
none
File: environ
none
File: exploitable
none
File: limits
none
File: maps
none
File: mountinfo
none
File: open_fds
none
File: proc_pid_status none

Description Louis van Dyk 2018-10-21 23:35:58 UTC 
Version-Release number of selected component:
webkit2gtk3-2.22.0-1.fc28

Additional info:
reporter:       libreport-2.9.5
backtrace_rating: 3
cmdline:        /usr/libexec/webkit2gtk-4.0/WebKitWebProcess 56 65
crash_function: WebKit::ShareableBitmap::isBackedBySharedMemory
executable:     /usr/libexec/webkit2gtk-4.0/WebKitWebProcess
journald_cursor: s=d199190ea55c458aaf8f08253b20a0a9;i=552756;b=8f3bbed3bba04170b972395d3a7e1d6a;m=ef1f6dc56a;t=578bc589b08f3;x=f95efa12880e1010
kernel:         4.18.12-200.fc28.x86_64
rootdir:        /
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 WebKit::ShareableBitmap::isBackedBySharedMemory at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/ShareableBitmap.h:109
 #1 WebKit::ShareableBitmap::data at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/ShareableBitmap.cpp:170
 #2 WebKit::ShareableBitmap::createCairoSurface at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/cairo/ShareableBitmapCairo.cpp:85
 #3 WebKit::ShareableBitmap::createGraphicsContext at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/Shared/cairo/ShareableBitmapCairo.cpp:61
 #4 WebKit::convertCairoSurfaceToShareableBitmap at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/WebProcess/WebCoreSupport/gtk/WebDragClientGtk.cpp:54
 #5 WebKit::WebDragClient::startDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebKit/WebProcess/WebCoreSupport/gtk/WebDragClientGtk.cpp:69
 #6 WebCore::DragController::doSystemDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/page/DragController.cpp:1266
 #7 WebCore::DragController::doImageDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/platform/URL.h:58
 #8 WebCore::DragController::startDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/page/DragController.cpp:1019
 #9 WebCore::EventHandler::handleDrag at /usr/src/debug/webkit2gtk3-2.22.0-1.fc28.x86_64/Source/WebCore/page/MouseEventWithHitTestResults.h:34
Comment 1 Louis van Dyk 2018-10-21 23:36:11 UTC 
Created attachment 1496253 [details]
File: backtrace
Comment 2 Louis van Dyk 2018-10-21 23:36:31 UTC 
Created attachment 1496254 [details]
File: cgroup
Comment 3 Louis van Dyk 2018-10-21 23:36:36 UTC 
Created attachment 1496255 [details]
File: core_backtrace
Comment 4 Louis van Dyk 2018-10-21 23:36:39 UTC 
Created attachment 1496256 [details]
File: cpuinfo
Comment 5 Louis van Dyk 2018-10-21 23:36:42 UTC 
Created attachment 1496257 [details]
File: dso_list
Comment 6 Louis van Dyk 2018-10-21 23:36:47 UTC 
Created attachment 1496258 [details]
File: environ
Comment 7 Louis van Dyk 2018-10-21 23:36:50 UTC 
Created attachment 1496259 [details]
File: exploitable
Comment 8 Louis van Dyk 2018-10-21 23:36:52 UTC 
Created attachment 1496260 [details]
File: limits
Comment 9 Louis van Dyk 2018-10-21 23:36:59 UTC 
Created attachment 1496261 [details]
File: maps
Comment 10 Louis van Dyk 2018-10-21 23:37:03 UTC 
Created attachment 1496262 [details]
File: mountinfo
Comment 11 Louis van Dyk 2018-10-21 23:37:06 UTC 
Created attachment 1496263 [details]
File: open_fds
Comment 12 Louis van Dyk 2018-10-21 23:37:08 UTC 
Created attachment 1496264 [details]
File: proc_pid_status