202338 2019-09-27 17:15:54 -0700 Switch to WKShareSheet for WKPDFView 2019-10-07 15:53:34 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 megan_gardner megan_gardner commit-queue dbates thorton webkit-bug-importer oldest_to_newest 1575015 0 megan_gardner 2019-09-27 17:15:54 -0700 Switch to WKShareSheet for WKPDFView 1575016 1 379775 megan_gardner 2019-09-27 17:18:38 -0700 Created attachment 379775 Patch 1575020 2 379778 megan_gardner 2019-09-27 17:31:07 -0700 Created attachment 379778 Patch 1575150 3 379778 dbates 2019-09-29 10:04:52 -0700 Comment on attachment 379778 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=379778&action=review This is a good first stab. It looks like this patch has a use-after-free because: 1. The allocated WKShareSheet is assigned to a local RetainPtr. 2. _shareSheet is never assigned a non-nil value > Source/WebKit/UIProcess/ios/WKPDFView.mm:560 > + if (_shareSheet) Ok as-is. The optimal solution would be to unconditionally call -dismiss because: 1. Sending a message to a possible nil object is okay in Obj-C. 2. Because of (1) a branch can be removed. 1577421 4 380342 megan_gardner 2019-10-07 12:02:20 -0700 Created attachment 380342 Patch 1577511 5 380342 thorton 2019-10-07 14:18:56 -0700 Comment on attachment 380342 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=380342&action=review > Source/WebKit/ChangeLog:10 > + us to eliminate this mostly unused class. Now entirely unused? > Source/WebKit/UIProcess/ios/WKPDFView.h:32 > +@interface WKPDFView : WKApplicationStateTrackingView <WKWebViewContentProvider, WKShareSheetDelegate> Keep these sorted :P > Source/WebKit/UIProcess/ios/WKPDFView.mm:564 > + [_shareSheet presentWithParameters:shareData inRect: { [[_hostViewController view] convertRect:boundingRect toView:webView] } completionHandler:[] (bool success) { }]; Is there not a way to pass a null completion handler? Maybe not. 1577526 6 380342 megan_gardner 2019-10-07 15:11:21 -0700 Comment on attachment 380342 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=380342&action=review >> Source/WebKit/UIProcess/ios/WKPDFView.mm:564 >> + [_shareSheet presentWithParameters:shareData inRect: { [[_hostViewController view] convertRect:boundingRect toView:webView] } completionHandler:[] (bool success) { }]; > > Is there not a way to pass a null completion handler? Maybe not. I took this from the calls in WKContentViewInteraction. 1577528 7 380366 megan_gardner 2019-10-07 15:12:10 -0700 Created attachment 380366 Patch for landing 1577529 8 webkit-bug-importer 2019-10-07 15:13:00 -0700 <rdar://problem/56052711> 1577548 9 380366 commit-queue 2019-10-07 15:53:33 -0700 Comment on attachment 380366 Patch for landing Clearing flags on attachment: 380366 Committed r250801: <https://trac.webkit.org/changeset/250801> 1577549 10 commit-queue 2019-10-07 15:53:34 -0700 All reviewed patches have been landed. Closing bug. 379775 2019-09-27 17:18:38 -0700 2019-09-27 17:31:06 -0700 Patch bug-202338-20190927171837.patch text/plain 4087 megan_gardner U3VidmVyc2lvbiBSZXZpc2lvbjogMjUwMzU4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IGM2ZThlNGQ4NjM0OTcyMWRm Y2Q3MDU5MWMyNTE2ZTQxYTQ0MmQyNGYuLjIxZDQyZDY0Mzc2MTgyMzU5OWYzNGFiOTA4MGI1Yjg2 YzgwMzU2OGMgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMjAgQEAKKzIwMTktMDktMjcgIE1lZ2FuIEdh cmRuZXIgIDxtZWdhbl9nYXJkbmVyQGFwcGxlLmNvbT4KKworICAgICAgICBTd2l0Y2ggdG8gV0tT aGFyZVNoZWV0IGZvciBXS1BERlZpZXcKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcv c2hvd19idWcuY2dpP2lkPTIwMjMzOAorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09Q UyEpLgorCisgICAgICAgIFN3aXRjaCB0byBXS1NoYXJlU2hlZXQgZnJvbSB0aGUgc2hhcmUgc2hl ZXQgaW4gVUlXS1NlbGVjdGlvbkFzc2lzdGFudCwgc2luY2UgdGhpcyBpcyB0aGUgb25seSBpbnN0 YW5jZQorICAgICAgICBvZiBVSVdLU2VsZWN0aW9uQXNzaXN0YW50IGFueSBtb3JlLiBUaGlzIHdp 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