315066 2026-05-18 19:18:51 -0700 Crash in WebCore::PositionedLayoutConstraints::PositionedLayoutConstraints; WebCore::RenderBox::containingBlockLogicalWidthForContent 2026-05-19 05:09:06 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 zalan zalan koivisto webkit-bug-importer oldest_to_newest 2211897 0 zalan 2026-05-18 19:18:51 -0700 <rdar://176987782> 2211905 1 479709 zalan 2026-05-18 19:44:26 -0700 Created attachment 479709 [fast-cq]Patch 2212012 2 ews-feeder 2026-05-19 05:09:04 -0700 Committed 313479@main (5e2525e60a91): <https://commits.webkit.org/313479@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 479709. 479709 2026-05-18 19:44:26 -0700 2026-05-19 05:09:05 -0700 [fast-cq]Patch bug-315066-20260518194426.patch text/plain 4640 zalan RnJvbSAyZTdhOTJkNjdiZjcxYWViYjgzYWMxYzNlMmY4YTZmYjZmNmFkNDM1IE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBbGFuIEJhcmFkbGF5IDx6YWxhbkBhcHBsZS5jb20+CkRhdGU6 IE1vbiwgMTggTWF5IDIwMjYgMTk6MzU6MTAgLTA3MDAKU3ViamVjdDogW1BBVENIXSBSRUdSRVNT SU9OICgzMTIwODZAbWFpbik6IENyYXNoIGluCiBXZWJDb3JlOjpQb3NpdGlvbmVkTGF5b3V0Q29u c3RyYWludHM6OlBvc2l0aW9uZWRMYXlvdXRDb25zdHJhaW50czsKIFdlYkNvcmU6OlJlbmRlckJv eDo6Y29udGFpbmluZ0Jsb2NrTG9naWNhbFdpZHRoRm9yQ29udGVudAogaHR0cHM6Ly9idWdzLndl YmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTMxNTA2NiA8cmRhcjovLzE3Njk4Nzc4Mj4KClJldmll d2VkIGJ5IE5PQk9EWSAoT09QUyEpLgoKVGhlIGRpYWxvZyByZW5kZXJlcidzIHN0eWxlRGlkQ2hh bmdlIGZpcmVzIGJlZm9yZSBhdHRhY2hSZW5kZXJlckludGVybmFsIHNldHMKaXRzIHBhcmVudC4g c3R5bGVDaGFuZ2VkIHN5bmNocm9ub3VzbHkgcmVzb2x2ZXMgdGhlIHNjcm9sbC1jb3JuZXIgcHNl dWRvLAp3aGljaCBldmFsdWF0ZXMgdGhlIG9yaWVudGF0aW9uIEBjb250YWluZXIsIHJlYWRzIHBh ZGRpbmdCb3R0b20sIGFuZCBsYW5kcyBpbgpQb3NpdGlvbmVkTGF5b3V0Q29uc3RyYWludHMgd2l0 aCBwYXJlbnQgc3RpbGwgbnVsbC4KCkd1YXJkIHRoZSBwYXJlbnQgbG9va3VwOyBiZWZvcmUgMzEy MDg2QG1haW4gcGFyZW50KCkgd2FzIG9ubHkgcmVhZCBhdCBsYXlvdXQgdGltZSwgd2hlbiB0aGUg cmVuZGVyZXIgaXMgYXR0YWNoZWQuCgoqIExheW91dFRlc3RzL1Rlc3RFeHBlY3RhdGlvbnM6Ciog TGF5b3V0VGVzdHMvZmFzdC9jc3MvY29udGFpbmVyLXF1ZXJ5LW9yaWVudGF0aW9uLW1vZGFsLWRp YWxvZy1jcmFzaC1leHBlY3RlZC50eHQ6IEFkZGVkLgoqIExheW91dFRlc3RzL2Zhc3QvY3NzL2Nv bnRhaW5lci1xdWVyeS1vcmllbnRhdGlvbi1tb2RhbC1kaWFsb2ctY3Jhc2guaHRtbDogQWRkZWQu CiogU291cmNlL1dlYkNvcmUvcmVuZGVyaW5nL1Bvc2l0aW9uZWRMYXlvdXRDb25zdHJhaW50cy5j cHA6CihXZWJDb3JlOjpQb3NpdGlvbmVkTGF5b3V0Q29uc3RyYWludHM6OlBvc2l0aW9uZWRMYXlv dXRDb25zdHJhaW50cyk6Ci0tLQogLi4uL3JlbmRlcmluZy9Qb3NpdGlvbmVkTGF5b3V0Q29uc3Ry YWludHMuY3BwIHwgIDMgKystCiBMYXlvdXRUZXN0cy9UZXN0RXhwZWN0YXRpb25zICAgICAgICAg ICAgICAgICAgfCAgMiArKwogLi4ucmllbnRhdGlvbi1tb2RhbC1kaWFsb2ctY3Jhc2gtZXhwZWN0 ZWQudHh0IHwgIDEgKwogLi4uLXF1ZXJ5LW9yaWVudGF0aW9uLW1vZGFsLWRpYWxvZy1jcmFzaC5o dG1sIHwgMjMgKysrKysrKysrKysrKysrKysrKwogNCBmaWxlcyBjaGFuZ2VkLCAyOCBpbnNlcnRp b25zKCspLCAxIGRlbGV0aW9uKC0pCiBjcmVhdGUgbW9kZSAxMDA2NDQgTGF5b3V0VGVzdHMvZmFz dC9jc3MvY29udGFpbmVyLXF1ZXJ5LW9yaWVudGF0aW9uLW1vZGFsLWRpYWxvZy1jcmFzaC1leHBl Y3RlZC50eHQKIGNyZWF0ZSBtb2RlIDEwMDY0NCBMYXlvdXRUZXN0cy9mYXN0L2Nzcy9jb250YWlu ZXItcXVlcnktb3JpZW50YXRpb24tbW9kYWwtZGlhbG9nLWNyYXNoLmh0bWwKCmRpZmYgLS1naXQg YS9Tb3VyY2UvV2ViQ29yZS9yZW5kZXJpbmcvUG9zaXRpb25lZExheW91dENvbnN0cmFpbnRzLmNw cCBiL1NvdXJjZS9XZWJDb3JlL3JlbmRlcmluZy9Qb3NpdGlvbmVkTGF5b3V0Q29uc3RyYWludHMu Y3BwCmluZGV4IGJhZmIyNTg0MDBjOC4uMDJhMTdjMWY4ZWRiIDEwMDY0NAotLS0gYS9Tb3VyY2Uv V2ViQ29yZS9yZW5kZXJpbmcvUG9zaXRpb25lZExheW91dENvbnN0cmFpbnRzLmNwcAorKysgYi9T b3VyY2UvV2ViQ29yZS9yZW5kZXJpbmcvUG9zaXRpb25lZExheW91dENvbnN0cmFpbnRzLmNwcApA QCAtNTAsNyArNTAsNyBAQCBQb3NpdGlvbmVkTGF5b3V0Q29uc3RyYWludHM6OlBvc2l0aW9uZWRM YXlvdXRDb25zdHJhaW50cyhjb25zdCBSZW5kZXJCb3gmIHJlbmRlcgogICAgIDogbV9yZW5kZXJl cihyZW5kZXJlcikKICAgICAsIG1fY29udGFpbmVyKGRvd25jYXN0PFJlbmRlckJveE1vZGVsT2Jq ZWN0PigqcmVuZGVyZXIuY29udGFpbmVyKCkpKSAvLyBVc2luZyBjb250YWluaW5nQmxvY2soKSB3 b3VsZCBiZSB3cm9uZyBmb3IgcmVscG9zaXRpb25lZCBpbmxpbmVzLgogICAgICwgbV9jb250YWlu aW5nV3JpdGluZ01vZGUobV9jb250YWluZXItPndyaXRpbmdNb2RlKCkpCi0gICAgLCBtX3BhcmVu dFdyaXRpbmdNb2RlKHJlbmRlcmVyLnBhcmVudCgpLT53cml0aW5nTW9kZSgpKQorICAgICwgbV9w YXJlbnRXcml0aW5nTW9kZShyZW5kZXJlci5wYXJlbnQoKSA/IHJlbmRlcmVyLnBhcmVudCgpLT53 cml0aW5nTW9kZSgpIDogV3JpdGluZ01vZGUoKSkKICAgICAsIG1fd3JpdGluZ01vZGUoc3R5bGUu d3JpdGluZ01vZGUoKSkKICAgICAsIG1fc2VsZkF4aXMoc2VsZkF4aXMpCiAgICAgLCBtX2NvbnRh aW5pbmdBeGlzKCFpc09ydGhvZ29uYWwoKSA/IHNlbGZBeGlzIDogb3Bwb3NpdGVBeGlzKHNlbGZB eGlzKSkKQEAgLTY0LDYgKzY0LDcgQEAgUG9zaXRpb25lZExheW91dENvbnN0cmFpbnRzOjpQb3Np dGlvbmVkTGF5b3V0Q29uc3RyYWludHMoY29uc3QgUmVuZGVyQm94JiByZW5kZXIKICAgICAsIG1f aW5zZXRBZnRlciB7IDBfY3NzX3B4IH0KIHsKICAgICBBU1NFUlQobV9jb250YWluZXIpOworICAg IEFTU0VSVChyZW5kZXJlci5wYXJlbnQoKSk7CiAKICAgICAvLyBDb21wdXRlIGJhc2ljIGNvbnRh aW5pbmcgYmxvY2sgaW5mby4KICAgICBtX29yaWdpbmFsQ29udGFpbmluZ1JhbmdlID0gcmVuZGVy ZXIuY29udGFpbmluZ0Jsb2NrUmFuZ2VGb3JQb3NpdGlvbmVkKCptX2NvbnRhaW5lciwgbV9waHlz aWNhbEF4aXMpOwpkaWZmIC0tZ2l0IGEvTGF5b3V0VGVzdHMvVGVzdEV4cGVjdGF0aW9ucyBiL0xh eW91dFRlc3RzL1Rlc3RFeHBlY3RhdGlvbnMKaW5kZXggNTBmNzdmODYyZWZhLi4xYWI5MTM3ZmMz NjQgMTAwNjQ0Ci0tLSBhL0xheW91dFRlc3RzL1Rlc3RFeHBlY3RhdGlvbnMKKysrIGIvTGF5b3V0 VGVzdHMvVGVzdEV4cGVjdGF0aW9ucwpAQCAtMTU2MSw2ICsxNTYxLDggQEAgZWRpdGluZy9zcGVs bGluZy9ncmFtbWFyLXRleHQtZWZmZWN0LW5vdC1yZWFwcGxpZWQuaHRtbCBbIFNraXAgXQogIyBU aGlzIHRlc3QgaXMgc29tZXdoYXQgaGVhdnkgYW5kIGJldHRlciBza2lwcGVkIGZvciBkZWJ1Zwog WyBEZWJ1ZyBdIGZhc3QvY3NzL21hbnktcnVsZXMuaHRtbCBbIFNraXAgXQogCit3ZWJraXQub3Jn L2IvMzE1MDY5IFsgRGVidWcgXSBmYXN0L2Nzcy9jb250YWluZXItcXVlcnktb3JpZW50YXRpb24t bW9kYWwtZGlhbG9nLWNyYXNoLmh0bWwgWyBTa2lwIF0KKwogd2Via2l0Lm9yZy9iLzExMjUyMSBb IFJlbGVhc2UgXSB3ZWJhdWRpby9hdWRpb3Byb2Nlc3NpbmdldmVudC5odG1sIFsgUGFzcyBGYWls dXJlIF0KIHdlYmtpdC5vcmcvYi8xMTI1MjEgWyBEZWJ1ZyBdIHdlYmF1ZGlvL2F1ZGlvcHJvY2Vz c2luZ2V2ZW50Lmh0bWwgWyBTa2lwIF0KIApkaWZmIC0tZ2l0IGEvTGF5b3V0VGVzdHMvZmFzdC9j c3MvY29udGFpbmVyLXF1ZXJ5LW9yaWVudGF0aW9uLW1vZGFsLWRpYWxvZy1jcmFzaC1leHBlY3Rl ZC50eHQgYi9MYXlvdXRUZXN0cy9mYXN0L2Nzcy9jb250YWluZXItcXVlcnktb3JpZW50YXRpb24t bW9kYWwtZGlhbG9nLWNyYXNoLWV4cGVjdGVkLnR4dApuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRl eCAwMDAwMDAwMDAwMDAuLjczMGViZjY2YTBkYQotLS0gL2Rldi9udWxsCisrKyBiL0xheW91dFRl c3RzL2Zhc3QvY3NzL2NvbnRhaW5lci1xdWVyeS1vcmllbnRhdGlvbi1tb2RhbC1kaWFsb2ctY3Jh c2gtZXhwZWN0ZWQudHh0CkBAIC0wLDAgKzEgQEAKK1RoaXMgdGVzdCBwYXNzZXMgaWYgaXQgZG9l c24ndCBjcmFzaC4KZGlmZiAtLWdpdCBhL0xheW91dFRlc3RzL2Zhc3QvY3NzL2NvbnRhaW5lci1x dWVyeS1vcmllbnRhdGlvbi1tb2RhbC1kaWFsb2ctY3Jhc2guaHRtbCBiL0xheW91dFRlc3RzL2Zh c3QvY3NzL2NvbnRhaW5lci1xdWVyeS1vcmllbnRhdGlvbi1tb2RhbC1kaWFsb2ctY3Jhc2guaHRt bApuZXcgZmlsZSBtb2RlIDEwMDY0NAppbmRleCAwMDAwMDAwMDAwMDAuLjU2YzJlNjIzYzVmMAot LS0gL2Rldi9udWxsCisrKyBiL0xheW91dFRlc3RzL2Zhc3QvY3NzL2NvbnRhaW5lci1xdWVyeS1v cmllbnRhdGlvbi1tb2RhbC1kaWFsb2ctY3Jhc2guaHRtbApAQCAtMCwwICsxLDIzIEBACis8c3R5 bGU+Citib2R5LCBkaWFsb2cgeworICBjb250YWluZXItdHlwZTogc2l6ZTsKK30KKworZGlhbG9n IHsKKyAgcGFkZGluZy1ib3R0b206IDEwJTsKK30KKworQGNvbnRhaW5lciAob3JpZW50YXRpb246 IGxhbmRzY2FwZSkgeworICA6aXMoOndoZXJlKCYpKTo6c2VsZWN0aW9uIHsKKyAgICBjb2xvcjog Z3JlZW47CisgIH0KK30KKzwvc3R5bGU+Cis8ZGlhbG9nIGlkPXNob3dfdGhpcz48L2RpYWxvZz4K K1RoaXMgdGVzdCBwYXNzZXMgaWYgaXQgZG9lc24ndCBjcmFzaC4KKzxzY3JpcHQ+Cit0ZXN0UnVu bmVyPy5kdW1wQXNUZXh0KCk7CitvbmxvYWQgPSAoKSA9PiB7CisgICAgc2hvd190aGlzLnNob3dN b2RhbCgpOworfTsKKzwvc2NyaXB0Pgo=