196451 2019-04-01 11:48:59 -0700 UIProcess crash when a prewarmed process is terminated 2019-04-01 13:52:43 -0700 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 196104 1 cdumez cdumez achristensen beidson commit-queue ggaren webkit-bug-importer oldest_to_newest 1522985 0 cdumez 2019-04-01 11:48:59 -0700 UIProcess crash when a prewarmed process is terminated: Thread[0] EXC_BAD_ACCESS (SIGSEGV) (KERN_INVALID_ADDRESS at 0x0000000000000040) [ 0] 0x000000020be94430 WebKit`WebKit::WebProcessProxy::didClose(IPC::Connection&) [inlined] WebKit::WebsiteDataStore::sessionID() const at WebsiteDataStore.h:101:47 97 98 static WebsiteDataStore* existingNonDefaultDataStoreForSessionID(PAL::SessionID); 99 100 bool isPersistent() const { return !m_sessionID.isEphemeral(); } -> 101 PAL::SessionID sessionID() const { return m_sessionID; } 102 103 bool resourceLoadStatisticsEnabled() const; 104 void setResourceLoadStatisticsEnabled(bool); 105 bool resourceLoadStatisticsDebugMode() const; 0x000000020be94420: ldr x8, [x8, #0x7e0] 0x000000020be94424: ldr x8, [x8] 0x000000020be94428: str x8, [sp, #0x18] 0x000000020be9442c: ldr x8, [x0, #0x310] -> 0x000000020be94430: ldr x8, [x8, #0x40] 0x000000020be94434: cmn x8, #0x1 ; =0x1 0x000000020be94438: b.lt 0x25d48c ; <+136> at WebProcessProxy.cpp:669:5 0x000000020be9443c: adrp x8, 1015 0x000000020be94440: add x8, x8, #0x128 ; =0x128 [ 0] 0x000000020be94430 WebKit`WebKit::WebProcessProxy::didClose(IPC::Connection&) + 44 at WebProcessProxy.cpp:668 664 } 665 666 void WebProcessProxy::didClose(IPC::Connection&) 667 { -> 668 RELEASE_LOG_IF(m_websiteDataStore->sessionID().isAlwaysOnLoggingAllowed(), Process, "%p - WebProcessProxy didClose (web process crash)", this); 669 processDidTerminateOrFailedToLaunch(); 670 } 671 672 void WebProcessProxy::processDidTerminateOrFailedToLaunch() [ 1] 0xffffff820bc69dc8 0 + -540968313400 [ 2] 0x000000020bc69dc7 WebKit`WTF::Function<void ()>::CallableWrapper<IPC::Connection::connectionDidClose()::$_13>::call() [inlined] IPC::Connection::connectionDidClose()::$_13::operator()() + 63 at Connection.cpp:851:33 847 // Set m_isValid to false before calling didClose, otherwise, sendSync will try to send a message 848 // to the connection and will then wait indefinitely for a reply. 849 protectedThis->m_isValid = false; 850 -> 851 protectedThis->m_client.didClose(protectedThis.get()); 852 }); 853 } 854 855 bool Connection::canSendOutgoingMessages() const [ 2] 0x000000020bc69d88 WebKit`WTF::Function<void ()>::CallableWrapper<IPC::Connection::connectionDidClose()::$_13>::call() at Function.h:102 1522986 1 cdumez 2019-04-01 11:49:14 -0700 <rdar://problem/49245471> 1522992 2 366412 cdumez 2019-04-01 12:03:53 -0700 Created attachment 366412 Patch 1523033 3 366412 ggaren 2019-04-01 13:25:34 -0700 Comment on attachment 366412 Patch r=me 1523037 4 achristensen 2019-04-01 13:29:31 -0700 *** Bug 196460 has been marked as a duplicate of this bug. *** 1523047 5 366412 commit-queue 2019-04-01 13:52:41 -0700 Comment on attachment 366412 Patch Clearing flags on attachment: 366412 Committed r243711: <https://trac.webkit.org/changeset/243711> 1523048 6 commit-queue 2019-04-01 13:52:43 -0700 All reviewed patches have been landed. Closing bug. 366412 2019-04-01 12:03:53 -0700 2019-04-01 13:52:41 -0700 Patch bug-196451-20190401120352.patch text/plain 9209 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjQzNjk3CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViS2l0L0No YW5nZUxvZyBiL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCmluZGV4IDE4NDY3ZjAyZGU4MzA3Nzk5 ZDkwNDU3NzgzNTIxNmZlYjE4NzJiY2EuLjZjNzY5YWZhODAyMDcwZWExOGMwMzQ1MzM5OTE5YzVj OThhNTE3ZGQgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCisrKyBiL1NvdXJj ZS9XZWJLaXQvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMjkgQEAKKzIwMTktMDQtMDEgIENocmlzIER1 bWV6ICA8Y2R1bWV6QGFwcGxlLmNvbT4KKworICAgICAgICBVSVByb2Nlc3MgY3Jhc2ggd2hlbiBh IHByZXdhcm1lZCBwcm9jZXNzIGlzIHRlcm1pbmF0ZWQKKyAgICAgICAgaHR0cHM6Ly9idWdzLndl YmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE5NjQ1MQorICAgICAgICA8cmRhcjovL3Byb2JsZW0v NDkyNDU0NzE+CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAg ICAgU3RvcCBhc3N1bWluZyB0aGF0IFdlYlByb2Nlc3NQcm94eTo6bV93ZWJzaXRlRGF0YVN0b3Jl IGlzIG5vbi1udWxsIGFzIHRoaXMgaXMgbm8gbG9uZ2VyCisgICAgICAgIHRydWUgYWZ0ZXIgcjI0 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