221302 2021-02-02 15:31:29 -0800 REGRESSION (r271439): null-dereference in useSmoothScrolling 2021-02-04 12:45:45 -0800 1 1 1 Unclassified WebKit Layout and Rendering WebKit Nightly Build All All RESOLVED FIXED InRadar P2 Normal --- 145330 1 darin darin bfulgham mrobinson rniwa simon.fraser webkit-bug-importer zalan oldest_to_newest 1724932 0 darin 2021-02-02 15:31:29 -0800 rdar://73189217 1724936 1 419075 darin 2021-02-02 15:42:23 -0800 Created attachment 419075 Patch 1725003 2 darin 2021-02-02 21:10:29 -0800 Committed r272295: <https://trac.webkit.org/changeset/272295> 1725054 3 mrobinson 2021-02-03 00:35:55 -0800 Thanks for fixing this! 1725754 4 darin 2021-02-04 12:45:45 -0800 *** Bug 221389 has been marked as a duplicate of this bug. *** 419075 2021-02-02 15:42:23 -0800 2021-02-02 15:48:44 -0800 Patch bug-221302-20210202154222.patch text/plain 1841 darin U3VidmVyc2lvbiBSZXZpc2lvbjogMjcyMjM1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNDNmODg0ZWYwZWVjZWE5 MTBjZjRmOGU5MjQyNDllZTRmM2M3Njk2Yi4uOTgxMmZiODFmMWQyOTExZmI4MzljNjVhMjVmNzhl NzI1YTFjNTdmMiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE0IEBACisyMDIxLTAyLTAyICBEYXJp biBBZGxlciAgPGRhcmluQGFwcGxlLmNvbT4KKworICAgICAgICBSRUdSRVNTSU9OIChyMjcxNDM5 KTogbnVsbC1kZXJlZmVyZW5jZSBpbiB1c2VTbW9vdGhTY3JvbGxpbmcKKyAgICAgICAgaHR0cHM6 Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTIyMTMwMgorCisgICAgICAgIFJldmll d2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgICogcGFnZS9TY3JvbGxCZWhhdmlvci5j cHA6CisgICAgICAgIChXZWJDb3JlOjp1c2VTbW9vdGhTY3JvbGxpbmcpOiBNb3ZlIHRoZSBudWxs IGNoZWNrIGJlZm9yZSBhbnkgZGVyZWZlcmVuY2luZworICAgICAgICBvZiB0aGUgZWxlbWVudCBw b2ludGVyLgorCiAyMDIxLTAyLTAyICBEYXJpbiBBZGxlciAgPGRhcmluQGFwcGxlLmNvbT4KIAog ICAgICAgICBOdWxsIGNoZWNrIHJlbmRlcmVycyBjb25zaXN0ZW50bHkgaW4gU3R5bGVJbWFnZSBj b2RlCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9wYWdlL1Njcm9sbEJlaGF2aW9yLmNwcCBi L1NvdXJjZS9XZWJDb3JlL3BhZ2UvU2Nyb2xsQmVoYXZpb3IuY3BwCmluZGV4IDQ2OWExOWI4Mjk0 YWZmNWNlNzE2ODNmYzBkZjQwMjExODY0ODYyMmEuLjg1MWM1OGUyNWE1NWE2NWMyOTFhMGJkMzk0 M2JiMzA2YTM5YzBhNzggMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJDb3JlL3BhZ2UvU2Nyb2xsQmVo YXZpb3IuY3BwCisrKyBiL1NvdXJjZS9XZWJDb3JlL3BhZ2UvU2Nyb2xsQmVoYXZpb3IuY3BwCkBA IC0zNSwxNCArMzUsMTUgQEAgbmFtZXNwYWNlIFdlYkNvcmUgewogCiBib29sIHVzZVNtb290aFNj cm9sbGluZyhTY3JvbGxCZWhhdmlvciBiZWhhdmlvciwgRWxlbWVudCogYXNzb2NpYXRlZEVsZW1l bnQpCiB7CisgICAgaWYgKCFhc3NvY2lhdGVkRWxlbWVudCkKKyAgICAgICAgcmV0dXJuIGZhbHNl OworCiAgICAgLy8gRklYTUU6IFNob3VsZCB3ZSB1c2UgZG9jdW1lbnQoKS0+c2Nyb2xsaW5nRWxl bWVudCgpPwogICAgIC8vIFNlZSBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/ aWQ9MjA1MDU5CiAgICAgaWYgKGFzc29jaWF0ZWRFbGVtZW50ID09IGFzc29jaWF0ZWRFbGVtZW50 LT5kb2N1bWVudCgpLnNjcm9sbGluZ0VsZW1lbnQoKSkKICAgICAgICAgYXNzb2NpYXRlZEVsZW1l bnQgPSBhc3NvY2lhdGVkRWxlbWVudC0+ZG9jdW1lbnQoKS5kb2N1bWVudEVsZW1lbnQoKTsKIAot ICAgIGlmICghYXNzb2NpYXRlZEVsZW1lbnQKLSAgICAgICAgfHwgIWFzc29jaWF0ZWRFbGVtZW50 LT5yZW5kZXJlcigpCi0gICAgICAgIHx8ICFhc3NvY2lhdGVkRWxlbWVudC0+ZG9jdW1lbnQoKS5z ZXR0aW5ncygpLkNTU09NVmlld1Ntb290aFNjcm9sbGluZ0VuYWJsZWQoKSkKKyAgICBpZiAoIWFz c29jaWF0ZWRFbGVtZW50LT5yZW5kZXJlcigpIHx8ICFhc3NvY2lhdGVkRWxlbWVudC0+ZG9jdW1l bnQoKS5zZXR0aW5ncygpLkNTU09NVmlld1Ntb290aFNjcm9sbGluZ0VuYWJsZWQoKSkKICAgICAg ICAgcmV0dXJuIGZhbHNlOwogCiAgICAgLy8gaHR0cHM6Ly9kcmFmdHMuY3Nzd2cub3JnL2Nzc29t LXZpZXcvI3Njcm9sbGluZwo=