173958 2017-06-28 20:25:32 -0700 Crash in WebCore::ScrollingTreeFixedNode::updateLayersAfterAncestorChange 2017-06-28 20:58:20 -0700 1 1 1 Unclassified WebKit Layout and Rendering Safari Technology Preview Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 rniwa rniwa bfulgham buildbot cmarcelo jamesr luiz simon.fraser tonikitoo zalan oldest_to_newest 1323824 0 rniwa 2017-06-28 20:25:32 -0700 We're crashing inside CALayer sometimes: 24 QuartzCore: -[CALayer setPosition:] ==> 24 WebCore: WebCore::ScrollingTreeFixedNode::updateLayersAfterAncestorChange(WebCore::ScrollingTreeNode const&, WebCore::FloatRect const&, WebCore::FloatSize const&) <== 24 WebCore: WebCore::ScrollingTreeFrameScrollingNodeIOS::updateLayersAfterViewportChange(WebCore::FloatRect const&, double) 24 WebKit: -[WKContentView didUpdateVisibleRect:unobscuredRect:unobscuredRectInScrollViewCoordinates:obscuredInset:inputViewBounds:scale:minimumScale:inStableState:isChangingObscuredInsetsInteractively:enclosedInScrollableAncestorView:] 1323825 1 rniwa 2017-06-28 20:25:44 -0700 <rdar://problem/31272462 1323839 2 314104 rniwa 2017-06-28 20:42:32 -0700 Created attachment 314104 Fixes the crash 1323851 3 314104 rniwa 2017-06-28 20:58:18 -0700 Comment on attachment 314104 Fixes the crash Clearing flags on attachment: 314104 Committed r218915: <http://trac.webkit.org/changeset/218915> 1323852 4 rniwa 2017-06-28 20:58:20 -0700 All reviewed patches have been landed. Closing bug. 314104 2017-06-28 20:42:32 -0700 2017-06-28 20:58:18 -0700 Fixes the crash bug-173958-20170628204232.patch text/plain 2348 rniwa U3VidmVyc2lvbiBSZXZpc2lvbjogMjE4ODkzCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggOGM2YjBmNTI1Y2EwMmZl ZmM1ZGI4Y2JjMDdjNTU3NmU2NDgwMDMxZC4uZjQwYTllMGYxOGUzNzViZTc3ZmExM2JiNDEzMjUx MjY4ZWFmOTA2ZiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE5IEBACisyMDE3LTA2LTI4ICBSeW9z dWtlIE5pd2EgIDxybml3YUB3ZWJraXQub3JnPgorCisgICAgICAgIENyYXNoIGluIFdlYkNvcmU6 OlNjcm9sbGluZ1RyZWVGaXhlZE5vZGU6OnVwZGF0ZUxheWVyc0FmdGVyQW5jZXN0b3JDaGFuZ2UK KyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE3Mzk1OAor CisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIFRoZSBjcmFz aGVkIGlzIG1vc3QgbGlrZWx5IGNhdXNlZCBieSB1cGRhdGVMYXllcnNBZnRlckFuY2VzdG9yQ2hh bmdlIGNhbGxpbmcgW0NBTGF5ZXIgc2V0UG9zaXRpb25dCisgICAgICAgIHdpdGggYSBDR1BvaW50 IHdoaWNoIGNvbnRhaW5zIHRoZSB4IGNvb3JkaW5hdGUgb3IgdGhlIHkgY29vcmRpbmF0ZSBvZiBO YU4uCisKKyAgICAgICAgU2ltb24gYW5kIEkgaW5wZWN0ZWQgdGhlIGNvZGUgYnV0IHdlIGNvdWxk bid0IGZpZ3VyZSBvdXQgaG93IHdlIGdldCB0aGVyZS4gRGV0ZWN0IHRoaXMgY2FzZSBhbmQgYmFp bCBvdXQuCisgICAgICAgIEFsc28gbG9nIHRoZSByZWxldmFudCB2YWx1ZXMgYW5kIGRlYnVnIGFz c2VydCB3aGVuIHRoaXMgY29uZGl0aW9uIGlzIGhpdCB0byBoZWxwIGlkZW50aWZ5aW5nIHRoZSBy b290IGNhdXNlLgorCisgICAgICAgICogcGFnZS9zY3JvbGxpbmcvbWFjL1Njcm9sbGluZ1RyZWVG aXhlZE5vZGUubW06CisgICAgICAgIChXZWJDb3JlOjpTY3JvbGxpbmdUcmVlRml4ZWROb2RlOjp1 cGRhdGVMYXllcnNBZnRlckFuY2VzdG9yQ2hhbmdlKToKKwogMjAxNy0wNi0yOCAgQW50b2luZSBR dWludCAgPGdyYW91dHNAYXBwbGUuY29tPgogCiAgICAgICAgIFZvbHVtZSBjb250cm9scyBzaG91 bGQgYmUgaGlkZGVuIHdoZW4gQWlyUGxheSBpcyBhY3RpdmUKZGlmZiAtLWdpdCBhL1NvdXJjZS9X ZWJDb3JlL3BhZ2Uvc2Nyb2xsaW5nL21hYy9TY3JvbGxpbmdUcmVlRml4ZWROb2RlLm1tIGIvU291 cmNlL1dlYkNvcmUvcGFnZS9zY3JvbGxpbmcvbWFjL1Njcm9sbGluZ1RyZWVGaXhlZE5vZGUubW0K aW5kZXggZGJlNzcyZmJjZjU1Y2M5YWIzN2FjYWNkMzY5OTg3MDcwNGMxNTVkNy4uYjllNjhhZjE4 YjFjOTlkZDhkNzMwZTQzOWViMjk5ODEzZjQ5YmE4MiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNv cmUvcGFnZS9zY3JvbGxpbmcvbWFjL1Njcm9sbGluZ1RyZWVGaXhlZE5vZGUubW0KKysrIGIvU291 cmNlL1dlYkNvcmUvcGFnZS9zY3JvbGxpbmcvbWFjL1Njcm9sbGluZ1RyZWVGaXhlZE5vZGUubW0K QEAgLTc1LDcgKzc1LDE1IEBAIHZvaWQgU2Nyb2xsaW5nVHJlZUZpeGVkTm9kZTo6dXBkYXRlTGF5 ZXJzQWZ0ZXJBbmNlc3RvckNoYW5nZShjb25zdCBTY3JvbGxpbmdUcmVlCiAgICAgQ0dSZWN0IGxh eWVyQm91bmRzID0gW21fbGF5ZXIgYm91bmRzXTsKICAgICBDR1BvaW50IGFuY2hvclBvaW50ID0g W21fbGF5ZXIgYW5jaG9yUG9pbnRdOwogICAgIENHUG9pbnQgbmV3UG9zaXRpb24gPSBsYXllclBv c2l0aW9uIC0gbV9jb25zdHJhaW50cy5hbGlnbm1lbnRPZmZzZXQoKSArIGFuY2hvclBvaW50ICog bGF5ZXJCb3VuZHMuc2l6ZTsKLSAgICAKKworICAgIGlmIChpc25hbihuZXdQb3NpdGlvbi54KSB8 fCBpc25hbihuZXdQb3NpdGlvbi55KSkgeworICAgICAgICBXVEZMb2dBbHdheXMoIkF0dGVtcHQg dG8gY2FsbCBbQ0FMYXllciBzZXRQb3NpdGlvbl0gd2l0aCBOYU46IG5ld1Bvc2l0aW9uPSglZiwg JWYpIGxheWVyUG9zaXRpb249KCVmLCAlZikgYWxpZ25tZW50T2Zmc2V0PSglZiwgJWYpIiwKKyAg ICAgICAgICAgIG5ld1Bvc2l0aW9uLngsIG5ld1Bvc2l0aW9uLnksIGxheWVyUG9zaXRpb24ueCgp LCBsYXllclBvc2l0aW9uLnkoKSwKKyAgICAgICAgICAgIG1fY29uc3RyYWludHMuYWxpZ25tZW50 T2Zmc2V0KCkud2lkdGgoKSwgbV9jb25zdHJhaW50cy5hbGlnbm1lbnRPZmZzZXQoKS5oZWlnaHQo KSk7CisgICAgICAgIEFTU0VSVF9OT1RfUkVBQ0hFRCgpOworICAgICAgICByZXR1cm47CisgICAg fQorCiAgICAgW21fbGF5ZXIgc2V0UG9zaXRpb246bmV3UG9zaXRpb25dOwogCiAgICAgaWYgKCFt X2NoaWxkcmVuKQo=