Bug 167295

Summary: Crash in WebCore::RenderObject::repaintSlowRepaintObject()
Product: WebKit Reporter: Dieter Komendera <dieter>
Component: WebCore Misc.Assignee: Nobody <webkit-unassigned>
Status: RESOLVED DUPLICATE    
Severity: Normal CC: simon.fraser
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Unspecified   
OS: Unspecified   
URL: http://sonnreich.at
Attachments:
Description Flags
crash log none

Description Dieter Komendera 2017-01-22 14:55:04 PST
Created attachment 299486 [details]
crash log

I can almost reliably reproduce this crash:

1) go to http://sonnreich.at
2) click a link at the bottom of the page, i.e "WOHNEN"
3) use the back button to navigate back
4) scroll down

Sometimes it crashes at 3), sometimes at 4) and sometimes not at all.

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.WebCore             	0x000000010fb3a670 WebCore::RenderObject::repaintSlowRepaintObject() const + 32
1   com.apple.WebCore             	0x000000010ee85a19 WebCore::FrameView::scrollContentsSlowPath(WebCore::IntRect const&) + 121
2   com.apple.WebCore             	0x000000010edf682a WebCore::ScrollView::scrollContents(WebCore::IntSize const&) + 362
3   com.apple.WebCore             	0x000000010fc16cf6 WebCore::ScrollView::scrollTo(WebCore::IntPoint const&) + 150
4   com.apple.WebCore             	0x000000010f26d635 WebCore::FrameView::scrollTo(WebCore::IntPoint const&) + 53

Release 21 (Safari 10.2, WebKit 12604.1.2)
macOS 10.12.2 (16C67)
Comment 1 Alexey Proskuryakov 2017-01-24 23:32:38 PST
Apple employees, see rdar://problem/18969355 and related.
Comment 2 Simon Fraser (smfr) 2017-01-25 07:23:51 PST
Thank you for the steps!
Comment 3 Simon Fraser (smfr) 2017-01-25 07:46:19 PST
This was fixed in http://trac.webkit.org/changeset/210777

*** This bug has been marked as a duplicate of bug 167011 ***
Comment 4 Dieter Komendera 2017-01-26 01:19:41 PST
That was quick :) Thanks a lot!