216042 2020-09-01 10:04:33 -0700 [iOS] AGX compiler service sandbox violation 2020-10-07 02:40:58 -0700 1 1 1 Unclassified WebKit WebKit Misc. WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=203915 InRadar P2 Normal --- 1 pvollan pvollan benjamin bfulgham cdumez cmarcelo ews-watchlist matt webkit-bug-importer oldest_to_newest 1684516 0 pvollan 2020-09-01 10:04:33 -0700 For a set of devices, mach-lookup sandbox violations have been observed for an AGX compiler service. For these devices, we currently issue an extension for one AGX compiler service, but this is not sufficient since this is an exact match. The extension should match the prefix of the service name provided. 1684519 1 pvollan 2020-09-01 10:06:25 -0700 <rdar://problem/68111667> 1684529 2 407693 pvollan 2020-09-01 10:28:40 -0700 Created attachment 407693 Patch 1684565 3 407693 bfulgham 2020-09-01 11:43:32 -0700 Comment on attachment 407693 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=407693&action=review r=me > Source/WebKit/Shared/Cocoa/SandboxExtensionCocoa.mm:97 > + extensionFlags |= SANDBOX_EXTENSION_PREFIXMATCH; Can you double-check we do not have any other "xpc-service-prefix" rules that aren't set with this flag? 1684567 4 bfulgham 2020-09-01 11:47:19 -0700 (In reply to Brent Fulgham from comment #3) > Comment on attachment 407693 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=407693&action=review > > r=me > > > Source/WebKit/Shared/Cocoa/SandboxExtensionCocoa.mm:97 > > + extensionFlags |= SANDBOX_EXTENSION_PREFIXMATCH; > > Can you double-check we do not have any other "xpc-service-prefix" rules > that aren't set with this flag? I just checked and don't see any others. 1684589 5 407706 pvollan 2020-09-01 13:02:11 -0700 Created attachment 407706 Patch 1684593 6 pvollan 2020-09-01 13:10:18 -0700 (In reply to Brent Fulgham from comment #3) > Comment on attachment 407693 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=407693&action=review > > r=me > > > Source/WebKit/Shared/Cocoa/SandboxExtensionCocoa.mm:97 > > + extensionFlags |= SANDBOX_EXTENSION_PREFIXMATCH; > > Can you double-check we do not have any other "xpc-service-prefix" rules > that aren't set with this flag? I had to change the patch to issue an array of AGX extensions, since the prefix match did not work as expected. Thanks for reviewing! 1684600 7 407706 bfulgham 2020-09-01 13:27:46 -0700 Comment on attachment 407706 Patch r=me. It's a shame we have to handle them individually, but this makes sense. 1684601 8 pvollan 2020-09-01 13:30:17 -0700 (In reply to Brent Fulgham from comment #7) > Comment on attachment 407706 [details] > Patch > > r=me. It's a shame we have to handle them individually, but this makes sense. Thanks for reviewing! 1684626 9 ews-feeder 2020-09-01 14:25:48 -0700 Committed r266411: <https://trac.webkit.org/changeset/266411> All reviewed patches have been landed. Closing bug and clearing flags on attachment 407706. 1684662 10 jonlee 2020-09-01 16:22:46 -0700 *** Bug 216033 has been marked as a duplicate of this bug. *** 1695488 11 matt 2020-10-07 02:40:58 -0700 Hi I have seen that this issue has reappeared in iPasOS 14.2 Thanks 407693 2020-09-01 10:28:40 -0700 2020-09-01 13:02:10 -0700 Patch bug-216042-20200901102839.patch text/plain 4507 pvollan SW5kZXg6IFNvdXJjZS9XVEYvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFNvdXJjZS9XVEYvQ2hh bmdlTG9nCShyZXZpc2lvbiAyNjYzNTMpCisrKyBTb3VyY2UvV1RGL0NoYW5nZUxvZwkod29ya2lu ZyBjb3B5KQpAQCAtMSwzICsxLDE1IEBACisyMDIwLTA5LTAxICBQZXIgQXJuZSBWb2xsYW4gIDxw dm9sbGFuQGFwcGxlLmNvbT4KKworICAgICAgICBbaU9TXSBBR1ggY29tcGlsZXIgc2VydmljZSBz YW5kYm94IHZpb2xhdGlvbgorICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1 Zy5jZ2k/aWQ9MjE2MDQyCisgICAgICAgIDxyZGFyOi8vcHJvYmxlbS82ODExMTY2Nz4KKworICAg 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