Created attachment 465281 [details] Crash Log fast/scrolling/keyboard-scrolling-distance-pageDown.html is a constant crash on iOS 16 and iPad OS running on Intel only. HISTORY: https://results.webkit.org/?suite=layout-tests&test=fast%2Fscrolling%2Fkeyboard-scrolling-distance-pageDown.html CRASH LOG is attached.
When attempting to replicate this crash, I actually found the test is a text diff failure. I ran the test at iOS 16 ToT as follows: run-webkit-tests --ios-simulator fast/scrolling/keyboard-scrolling-distance-pageDown.html --force --iterations 100 I used force because there appears to be multiple expectations set and when using iterations, I found that I get 8 constant failures in the set. Each time the iterations are ran, more failures appear. I still have no replicated the crash though it is showing as a constant crash on results.
CRASH LOG: ------------------------------------- Translated Report (Full Report Below) ------------------------------------- Incident Identifier: 3663C409-1323-44C8-8214-6DC5EDF9FBF8 CrashReporter Key: B35ECDD1-A446-AD9E-47A3-3DFE219BAD03 Hardware Model: MacPro6,1 Process: WebKitTestRunnerApp [24927] Path: /Users/USER/Library/Developer/CoreSimulator/Devices/EFFB6176-3DCB-4397-8099-C19C63093F41/data/Containers/Bundle/Application/C766A9B4-298C-45D2-9ECD-61FA1C36ED9B/WebKitTestRunnerApp.app/WebKitTestRunnerApp Identifier: org.webkit.WebKitTestRunnerApp Version: 1.0 (1.0) Code Type: X86-64 (Native) Role: Foreground Parent Process: launchd_sim [21811] Coalition: com.apple.CoreSimulator.SimDevice.EFFB6176-3DCB-4397-8099-C19C63093F41 [11283] Responsible Process: SimulatorTrampoline [21203] Date/Time: 2023-03-03 03:31:43.3779 -0800 Launch Time: 2023-03-03 03:29:57.0137 -0800 OS Version: macOS 12.6 (21G115) Release Type: User Report Version: 104 Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000000 Exception Codes: 0x0000000000000001, 0x0000000000000000 VM Region Info: 0 is not in any region. Bytes before following region: 4313169920 REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL UNUSED SPACE AT START ---> __TEXT 10115c000-1011f8000 [ 624K] r-x/r-x SM=COW ...TestRunnerApp Exception Note: EXC_CORPSE_NOTIFY Termination Reason: SIGNAL 11 Segmentation fault: 11 Terminating Process: exc handler [24927] Triggered by Thread: 0 Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 WebKit 0x102475f5d -[WKWebView(WKViewInternalIOS) _didFinishScrolling:] + 108 (WKWebViewIOS.mm:1842) 1 WebKitTestRunnerApp 0x1011c9ddd -[TestRunnerWKWebView _didFinishScrolling:] + 45 2 WebKit 0x10255f667 -[WKKeyboardScrollingAnimator displayLinkFired:] + 626 (WKKeyboardScrollingAnimator.mm:447) 3 QuartzCore 0x7ff80872ff2f CA::Display::DisplayLink::dispatch_items(unsigned long long, unsigned long long, unsigned long long) + 923 4 QuartzCore 0x7ff8088547a9 display_timer_callback(__CFMachPort*, void*, long, void*) + 395 5 CoreFoundation 0x7ff800352d5f __CFMachPortPerform + 151 6 CoreFoundation 0x7ff8003876cc __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41 7 CoreFoundation 0x7ff800386c13 __CFRunLoopDoSource1 + 538 8 CoreFoundation 0x7ff8003814c8 __CFRunLoopRun + 2740 9 CoreFoundation 0x7ff800380637 CFRunLoopRunSpecific + 560 10 Foundation 0x7ff800c569fc -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 213 11 WebKitTestRunnerApp 0x1011a488d WTR::TestController::platformRunUntil(bool&, WTF::Seconds) + 237 12 WebKitTestRunnerApp 0x10117fefa WTR::TestController::runUntil(bool&, WTF::Seconds) + 26 13 WebKitTestRunnerApp 0x1011b5173 WTR::TestInvocation::invoke() + 323 14 WebKitTestRunnerApp 0x101185ce7 WTR::TestController::runTest(char const*) + 391 15 WebKitTestRunnerApp 0x101185f28 WTR::TestController::runTestingServerLoop() + 152 16 WebKitTestRunnerApp 0x10118052b WTR::TestController::run() + 27 17 WebKitTestRunnerApp 0x10118016b WTR::TestController::TestController(int, char const**) + 603 18 WebKitTestRunnerApp 0x101180599 WTR::TestController::TestController(int, char const**) + 9 19 WebKitTestRunnerApp 0x101163608 -[WebKitTestRunnerApp _runTestController] + 40 20 Foundation 0x7ff800c8067d __NSThreadPerformPerform + 179 21 CoreFoundation 0x7ff800386ebd __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 22 CoreFoundation 0x7ff800386dfc __CFRunLoopDoSource0 + 157 23 CoreFoundation 0x7ff800386659 __CFRunLoopDoSources0 + 308 24 CoreFoundation 0x7ff800380db3 __CFRunLoopRun + 927 25 CoreFoundation 0x7ff800380637 CFRunLoopRunSpecific + 560 26 GraphicsServices 0x7ff809c0f28a GSEventRunModal + 139 27 UIKitCore 0x112f2e425 -[UIApplication _run] + 994 28 UIKitCore 0x112f33301 UIApplicationMain + 123 29 WebKitTestRunnerApp 0x101163711 main + 65 30 dyld_sim 0x1017262bf start_sim + 10 31 dyld 0x10675d52e start + 462 Thread 1:: com.apple.uikit.eventfetch-thread 0 libsystem_kernel.dylib 0x7ff833ddf97a mach_msg_trap + 10 1 libsystem_kernel.dylib 0x7ff833ddfce8 mach_msg + 56 2 CoreFoundation 0x7ff800386766 __CFRunLoopServiceMachPort + 145 3 CoreFoundation 0x7ff800380f6f __CFRunLoopRun + 1371 4 CoreFoundation 0x7ff800380637 CFRunLoopRunSpecific + 560 5 Foundation 0x7ff800c569fc -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 213 6 Foundation 0x7ff800c56c75 -[NSRunLoop(NSRunLoop) runUntilDate:] + 72 7 UIKitCore 0x113001e7e -[UIEventFetcher threadMain] + 535 8 Foundation 0x7ff800c80247 __NSThread__start__ + 1009 9 libsystem_pthread.dylib 0x7ff833e3d4e1 _pthread_start + 125 10 libsystem_pthread.dylib 0x7ff833e38f6b thread_start + 15 Thread 2:: JavaScriptCore libpas scavenger 0 libsystem_kernel.dylib 0x7ff833de23ea __psynch_cvwait + 10 1 libsystem_pthread.dylib 0x7ff833e3da6f _pthread_cond_wait + 1249 2 JavaScriptCore 0x106907bea timed_wait + 22 (pas_scavenger.c:145) [inlined] 3 JavaScriptCore 0x106907bea scavenger_thread_main + 1114 (pas_scavenger.c:359) 4 libsystem_pthread.dylib 0x7ff833e3d4e1 _pthread_start + 125 5 libsystem_pthread.dylib 0x7ff833e38f6b thread_start + 15 Thread 3: 0 libsystem_pthread.dylib 0x7ff833e38f48 start_wqthread + 0 Thread 4: 0 libsystem_pthread.dylib 0x7ff833e38f48 start_wqthread + 0 Thread 5: 0 libsystem_pthread.dylib 0x7ff833e38f48 start_wqthread + 0 Thread 6: 0 libsystem_pthread.dylib 0x7ff833e38f48 start_wqthread + 0 Thread 7: 0 libsystem_pthread.dylib 0x7ff833e38f48 start_wqthread + 0 Thread 8: 0 libsystem_pthread.dylib 0x7ff833e38f48 start_wqthread + 0 Thread 0 crashed with X86 Thread State (64-bit): rax: 0x00007fc092055020 rbx: 0x00007fc09001b800 rcx: 0x0000000000000000 rdx: 0x0000000000000103 rdi: 0x0000000000000000 rsi: 0x0000000102bfb06f rbp: 0x00007ff7bed9dc50 rsp: 0x00007ff7bed9dc40 r8: 0x0000000000000200 r9: 0x00007fc0978251f0 r10: 0x0000000102cc9e90 r11: 0x0000000102a476ca r12: 0x00007ff7bed9dc98 r13: 0x00007ff80002d6c0 r14: 0x00007ff80002d6c0 r15: 0x0000600002d9e7b0 rip: 0x0000000102475f5d rfl: 0x0000000000010246 cr2: 0x0000000000000000 Logical CPU: 1 Error Code: 0x00000004 (no mapping for user data read) Trap Number: 14 Binary Images: 0x1020b1000 - 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<rdar://problem/106199360>
This could be caused by a preceding test.
(In reply to Alexey Proskuryakov from comment #4) > This could be caused by a preceding test. I attempted to replicate with a test list and was still unable to replicate a crash. They continued to show as failures. I assigned to Simon, as his commit 260976@main had to do with scrolling to see if he can isolate why this is happening.
Pull request: https://github.com/WebKit/WebKit/pull/11501
Test gardening commit 261644@main (fc15c8ccddae): <https://commits.webkit.org/261644@main> Reviewed commits have been landed. Closing PR #11501 and removing active labels.
Pull request: https://github.com/WebKit/WebKit/pull/11577
Committed 261757@main (ec945fa4fae1): <https://commits.webkit.org/261757@main> Reviewed commits have been landed. Closing PR #11577 and removing active labels.