173493 2017-06-16 13:27:49 -0700 WebCore::LibWebRTCMediaEndpoint::gatherStatsForLogging is crashing 2019-06-10 04:11:34 -0700 1 1 1 Unclassified WebKit Media WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 youennf youennf adrian.eddy commit-queue eric.carlson jonlee webkit-bug-importer oldest_to_newest 1320123 0 youennf 2017-06-16 13:27:49 -0700 Thread 0 Crashed: 0 WebCore 0x0000000189246b5c WebCore::LibWebRTCMediaEndpoint::gatherStatsForLogging() + 4 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7604.1.25.4.2/Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.cpp:994) 1 WebCore 0x000000018868da58 WebCore::ThreadTimers::sharedTimerFiredInternal() + 172 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7604.1.25.4.2/platform/ThreadTimers.cpp:118) 2 WebCore 0x000000018868d998 WebCore::timerFired(__CFRunLoopTimer*, void*) + 28 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebCore/WebCore-7604.1.25.4.2/platform/cf/MainThreadSharedTimerCF.cpp:74) 3 CoreFoundation 0x0000000183588b88 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 28 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/CF/CF-1433.30/RunLoop.subproj/CFRunLoop.c:1827) 4 CoreFoundation 0x00000001835888ac __CFRunLoopDoTimer + 864 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/CF/CF-1433.30/RunLoop.subproj/CFRunLoop.c:2366) 5 CoreFoundation 0x0000000183588150 __CFRunLoopDoTimers + 248 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/CF/CF-1433.30/RunLoop.subproj/CFRunLoop.c:2505) 6 CoreFoundation 0x0000000183585c74 __CFRunLoopRun + 1712 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/CF/CF-1433.30/RunLoop.subproj/CFRunLoop.c:3002) 7 CoreFoundation 0x00000001834a4280 CFRunLoopRunSpecific + 436 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/CF/CF-1433.30/RunLoop.subproj/CFRunLoop.c:3148) 8 Foundation 0x0000000184075620 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 304 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/Foundation/Foundation-1433.32/Soil.subproj/NSRunLoop.m:367) 9 Foundation 0x00000001840c8734 -[NSRunLoop(NSRunLoop) run] + 88 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/Foundation/Foundation-1433.32/Soil.subproj/NSRunLoop.m:389) 10 libxpc.dylib 0x0000000182514324 _xpc_objc_main + 516 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/libxpc/libxpc-1173/src/main.m:198) 11 libxpc.dylib 0x0000000182516330 xpc_main + 180 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/libxpc/libxpc-1173/src/init.c:1461) 12 com.apple.WebKit.WebContent 0x0000000103c9759c main + 380 (/BuildRoot/Library/Caches/com.apple.xbs/Sources/WebKit2/WebKit2-7604.1.25.4.2/Shared/EntryPointUtilities/mac/XPCService/XPCServiceMain.mm:148) 13 libdyld.dylib 0x0000000182295e40 start + 4 1320130 1 313123 youennf 2017-06-16 13:40:45 -0700 Created attachment 313123 Patch 1320131 2 youennf 2017-06-16 13:41:03 -0700 rdar://problem/32819360 1320241 3 313123 commit-queue 2017-06-16 16:49:03 -0700 Comment on attachment 313123 Patch Clearing flags on attachment: 313123 Committed r218428: <http://trac.webkit.org/changeset/218428> 1320242 4 commit-queue 2017-06-16 16:49:05 -0700 All reviewed patches have been landed. Closing bug. 1543288 5 adrian.eddy 2019-06-10 04:11:34 -0700 This still happens for me in iOS 12.3.1. Scenario: frequently creating and closing new RTCPeerConnection's Incident Identifier: CF3ED574-9EF4-4E47-A5BD-608C6B5B66AF CrashReporter Key: 02c1826a78c3d8f24a5a112d7e5256cadbb752cc Hardware Model: iPhone7,2 Process: com.apple.WebKit.WebContent [761] Path: /System/Library/Frameworks/WebKit.framework/XPCServices/com.apple.WebKit.WebContent.xpc/com.apple.WebKit.WebContent Identifier: com.apple.WebKit.WebContent Version: 8607.2.6.0.1 (8607) Code Type: ARM-64 (Native) Role: Unspecified Parent Process: launchd [1] Coalition: com.apple.mobilesafari [548] Date/Time: 2019-06-10 12:52:40.0635 +0200 Launch Time: 2019-06-10 12:51:11.9058 +0200 OS Version: iPhone OS 12.3.1 (16F203) Baseband Version: 7.70.01 Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000 VM Region Info: 0 is not in any region. Bytes before following region: 4305338368 REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL UNUSED SPACE AT START ---> __TEXT 00000001009e4000-00000001009e8000 [ 16K] r-x/r-x SM=COW ...it.WebContent Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [761] Triggered by Thread: 0 Thread 0 name: Dispatch queue: com.apple.main-thread Thread 0 Crashed: 0 WebCore 0x000000020575d4e0 WebCore::LibWebRTCMediaEndpoint::gatherStatsForLogging+ 726240 () + 8 1 WebCore 0x00000002068b320c WebCore::ThreadTimers::sharedTimerFiredInternal+ 18903564 () + 216 2 WebCore 0x00000002068d3258 WebCore::timerFired+ 19034712 (__CFRunLoopTimer*, void*) + 28 3 CoreFoundation 0x00000001fcdeb650 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 28 4 CoreFoundation 0x00000001fcdeb380 __CFRunLoopDoTimer + 864 5 CoreFoundation 0x00000001fcdeabb4 __CFRunLoopDoTimers + 248 6 CoreFoundation 0x00000001fcde5b04 __CFRunLoopRun + 1844 7 CoreFoundation 0x00000001fcde50b0 CFRunLoopRunSpecific + 436 8 Foundation 0x00000001fd7b2fac -[NSRunLoop+ 32684 (NSRunLoop) runMode:beforeDate:] + 300 9 Foundation 0x00000001fd7ee46c -[NSRunLoop+ 275564 (NSRunLoop) run] + 88 10 libxpc.dylib 0x00000001fcab8a44 _xpc_objc_main + 516 11 libxpc.dylib 0x00000001fcabb3a4 xpc_main + 176 12 com.apple.WebKit.WebContent 0x00000001009e760c 0x1009e4000 + 13836 13 com.apple.WebKit.WebContent 0x00000001009e77b8 0x1009e4000 + 14264 14 libdyld.dylib 0x00000001fc8aa8e0 start + 4 313123 2017-06-16 13:40:45 -0700 2017-06-16 16:49:03 -0700 Patch bug-173493-20170616134044.patch text/plain 1639 youennf U3VidmVyc2lvbiBSZXZpc2lvbjogMjE4MzQzCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNWNlNjlkMTI3ZDk3Mzhj ZmNjNzJmYjQyZWZmYmY0ZTgxZDRhYzlmOC4uNTU2YzY4YzA1ZTUwZWQwNGFiNDQ4ZGQ0NjMzY2Q2 NGEwN2YwNDY4MCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSw1ICsxLDE3IEBACiAyMDE3LTA2LTE2ICBZb3Vl bm4gRmFibGV0ICA8eW91ZW5uQGFwcGxlLmNvbT4KIAorICAgICAgICBXZWJDb3JlOjpMaWJXZWJS VENNZWRpYUVuZHBvaW50OjpnYXRoZXJTdGF0c0ZvckxvZ2dpbmcgaXMgY3Jhc2hpbmcKKyAgICAg ICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE3MzQ5MworCisgICAg ICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIFNwZWN1bGF0aXZlIHBy ZXZlbnRpdmUgZml4LgorCisgICAgICAgICogTW9kdWxlcy9tZWRpYXN0cmVhbS9saWJ3ZWJydGMv TGliV2ViUlRDTWVkaWFFbmRwb2ludC5jcHA6CisgICAgICAgIChXZWJDb3JlOjpMaWJXZWJSVENN ZWRpYUVuZHBvaW50OjpnYXRoZXJTdGF0c0ZvckxvZ2dpbmcpOgorCisyMDE3LTA2LTE2ICBZb3Vl bm4gRmFibGV0ICA8eW91ZW5uQGFwcGxlLmNvbT4KKwogICAgICAgICBSZW1vdmUgcmVwbGFjZVRy YWNrIHJlc3RyaWN0aW9uIGFib3V0IHZpZGVvIHJlc29sdXRpb24KICAgICAgICAgaHR0cHM6Ly9i dWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE3MzQ5MAogCmRpZmYgLS1naXQgYS9Tb3Vy Y2UvV2ViQ29yZS9Nb2R1bGVzL21lZGlhc3RyZWFtL2xpYndlYnJ0Yy9MaWJXZWJSVENNZWRpYUVu ZHBvaW50LmNwcCBiL1NvdXJjZS9XZWJDb3JlL01vZHVsZXMvbWVkaWFzdHJlYW0vbGlid2VicnRj L0xpYldlYlJUQ01lZGlhRW5kcG9pbnQuY3BwCmluZGV4IDU0YmQ1MjQ4ZTJiOTgxMDcxZTg2NThh MDRjMGMwYmJlNjY3ODAxNDMuLjYxYzNjZjQ5MTg3MGZmZWQ1M2M5NGI1NDk4MmFhMWExMmJiNzQ2 ZTUgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJDb3JlL01vZHVsZXMvbWVkaWFzdHJlYW0vbGlid2Vi cnRjL0xpYldlYlJUQ01lZGlhRW5kcG9pbnQuY3BwCisrKyBiL1NvdXJjZS9XZWJDb3JlL01vZHVs ZXMvbWVkaWFzdHJlYW0vbGlid2VicnRjL0xpYldlYlJUQ01lZGlhRW5kcG9pbnQuY3BwCkBAIC0x MDI1LDcgKzEwMjUsOSBAQCBSVENSdHBQYXJhbWV0ZXJzIExpYldlYlJUQ01lZGlhRW5kcG9pbnQ6 OmdldFJUQ1J0cFNlbmRlclBhcmFtZXRlcnMoUlRDUnRwU2VuZGVyJgogCiB2b2lkIExpYldlYlJU Q01lZGlhRW5kcG9pbnQ6OmdhdGhlclN0YXRzRm9yTG9nZ2luZygpCiB7Ci0gICAgbV9iYWNrZW5k LT5HZXRTdGF0cyh0aGlzKTsKKyAgICBBU1NFUlQobV9iYWNrZW5kKTsKKyAgICBpZiAobV9iYWNr ZW5kKQorICAgICAgICBtX2JhY2tlbmQtPkdldFN0YXRzKHRoaXMpOwogfQogCiB2b2lkIExpYldl YlJUQ01lZGlhRW5kcG9pbnQ6Ok9uU3RhdHNEZWxpdmVyZWQoY29uc3QgcnRjOjpzY29wZWRfcmVm cHRyPGNvbnN0IHdlYnJ0Yzo6UlRDU3RhdHNSZXBvcnQ+JiByZXBvcnQpCg==