227103 2021-06-16 17:11:43 -0700 Clear state after process crash so that we know to re-issue sandbox extensions 2021-06-18 13:36:46 -0700 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 bfulgham bfulgham kkinnunen mjs pvollan thorton webkit-bug-importer oldest_to_newest 1770479 0 bfulgham 2021-06-16 17:11:43 -0700 We dynamically extend access to certain mach services when the ATTACHMENT_ELEMENT feature is enabled. If a process with this feature activated crashes and WebKit relaunches it, we don't grant the new process the same extensions because we believe they were already previously sent. This patch clears the state after a process crash so that it properly handles the restart case. 1770480 1 bfulgham 2021-06-16 17:12:18 -0700 <rdar://problem/77588760> 1770482 2 431624 bfulgham 2021-06-16 17:17:09 -0700 Created attachment 431624 Patch 1770545 3 431624 pvollan 2021-06-17 00:55:29 -0700 Comment on attachment 431624 Patch R=me. 1770846 4 ews-feeder 2021-06-17 15:14:24 -0700 Committed r279014 (238939@main): <https://commits.webkit.org/238939@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 431624. 1770905 5 bfulgham 2021-06-17 17:16:22 -0700 Reopening to attach new patch. 1770906 6 431745 bfulgham 2021-06-17 17:16:23 -0700 Created attachment 431745 Patch 1770909 7 431745 thorton 2021-06-17 17:25:49 -0700 Comment on attachment 431745 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=431745&action=review > Source/WebKit/UIProcess/WebPageProxy.cpp:8201 > - if (m_preferences->attachmentElementEnabled() && !m_process->hasIssuedAttachmentElementRelatedSandboxExtensions()) { > + if (m_preferences->attachmentElementEnabled() && !process.hasIssuedAttachmentElementRelatedSandboxExtensions()) { There's other code that uses m_process in this function... is it wrong too?? 1770944 8 bfulgham 2021-06-17 23:28:56 -0700 (In reply to Tim Horton from comment #7) > Comment on attachment 431745 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=431745&action=review > > > Source/WebKit/UIProcess/WebPageProxy.cpp:8201 > > - if (m_preferences->attachmentElementEnabled() && !m_process->hasIssuedAttachmentElementRelatedSandboxExtensions()) { > > + if (m_preferences->attachmentElementEnabled() && !process.hasIssuedAttachmentElementRelatedSandboxExtensions()) { > > There's other code that uses m_process in this function... is it wrong too?? Probably? I’ll take a look…. 1771053 9 431784 bfulgham 2021-06-18 12:52:40 -0700 Created attachment 431784 Patch for landing 1771054 10 bfulgham 2021-06-18 12:53:48 -0700 (In reply to Brent Fulgham from comment #8) > (In reply to Tim Horton from comment #7) > > Comment on attachment 431745 [details] > > Patch > > > > View in context: > > https://bugs.webkit.org/attachment.cgi?id=431745&action=review > > > > > Source/WebKit/UIProcess/WebPageProxy.cpp:8201 > > > - if (m_preferences->attachmentElementEnabled() && !m_process->hasIssuedAttachmentElementRelatedSandboxExtensions()) { > > > + if (m_preferences->attachmentElementEnabled() && !process.hasIssuedAttachmentElementRelatedSandboxExtensions()) { > > > > There's other code that uses m_process in this function... is it wrong too?? > > Probably? I’ll take a look…. The only other instance I saw was this one: parameters.shouldCaptureDisplayInUIProcess = m_process->processPool().configuration().shouldCaptureDisplayInUIProcess(); I didn't change it because I wanted to check with GPU Process people. I suspect its fine as-is, since they are likely using the same process pool. I wasn't sure if the state about capturing display in the UI Process would be correct in the new process yet, either. 1771061 11 ews-feeder 2021-06-18 13:36:45 -0700 Committed r279045 (238965@main): <https://commits.webkit.org/238965@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 431784. 431624 2021-06-16 17:17:09 -0700 2021-06-17 17:16:21 -0700 Patch bug-227103-20210616171708.patch text/plain 2180 bfulgham U3VidmVyc2lvbiBSZXZpc2lvbjogMjc4OTM3CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDk5YWRkMGYwMjJjOTVmNTdi YmQ0YmQ0ZjAxNWVlMTg5ZTYwYTExMTAuLjY4NWM2ZDgyODBjMWZiMzY4MGRkNjViM2I0ZWZkN2Uz MGVmOTI0NzQgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMjIgQEAKKzIwMjEtMDYtMTYgIEJyZW50IEZ1 bGdoYW0gIDxiZnVsZ2hhbUBhcHBsZS5jb20+CisKKyAgICAgICAgQ2xlYXIgc3RhdGUgYWZ0ZXIg cHJvY2VzcyBjcmFzaCBzbyB0aGF0IHdlIGtub3cgdG8gcmUtaXNzdWUgc2FuZGJveCBleHRlbnNp b25zCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMjcx MDMKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzc3NTg4NzYwPgorCisgICAgICAgIFJldmlld2Vk IGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIFdlIGR5bmFtaWNhbGx5IGV4dGVuZCBhY2Nl 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