RESOLVED FIXED 214490
[iOS] Crash under WebProcess::handleXPCEndpointMessages 
https://bugs.webkit.org/show_bug.cgi?id=214490
Summary [iOS] Crash under WebProcess::handleXPCEndpointMessages
Per Arne Vollan
Reported 2020-07-17 11:48:39 PDT
According to crash logs, it seems possible that the parent process XPC connection can be null. Add a null check, and also check that the connection XPC object really is an XPC connection object.
Attachments
Patch (1.61 KB, patch)
2020-07-17 11:51 PDT, Per Arne Vollan 		no flags
DetailsFormatted DiffDiff
Patch (1.60 KB, patch)
2020-07-17 11:57 PDT, Per Arne Vollan 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Per Arne Vollan
Comment 1 2020-07-17 11:48:59 PDT
rdar://problem/65717136
Per Arne Vollan
Comment 2 2020-07-17 11:51:39 PDT
Created attachment 404579 [details] Patch
Chris Dumez
Comment 3 2020-07-17 11:52:20 PDT
Comment on attachment 404579 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=404579&action=review > Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm:177 > + if (xpc_get_type(connection) != XPC_TYPE_CONNECTION) I think this should be an assertion.
Per Arne Vollan
Comment 4 2020-07-17 11:57:23 PDT
Created attachment 404580 [details] Patch
Per Arne Vollan
Comment 5 2020-07-17 11:57:44 PDT
(In reply to Chris Dumez from comment #3) > Comment on attachment 404579 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=404579&action=review > > > Source/WebKit/WebProcess/cocoa/WebProcessCocoa.mm:177 > > + if (xpc_get_type(connection) != XPC_TYPE_CONNECTION) > > I think this should be an assertion. Fixed. Thanks for reviewing!
Chris Dumez
Comment 6 2020-07-17 11:58:18 PDT
Comment on attachment 404580 [details] Patch r=me
EWS
Comment 7 2020-07-17 12:31:00 PDT
Committed r264529: <https://trac.webkit.org/changeset/264529> All reviewed patches have been landed. Closing bug and clearing flags on attachment 404580 [details].
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