[Webkit-unassigned] [Bug 250133] New: REGRESSION (258031 at main): Occasional crashes under WTF::Detail::CallableWrapper<WebCore::ThreadedScrollingTree::deferWheelEventTestCompletionForReason()
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Jan 5 10:00:36 PST 2023
https://bugs.webkit.org/show_bug.cgi?id=250133
Bug ID: 250133
Summary: REGRESSION (258031 at main): Occasional crashes under
WTF::Detail::CallableWrapper<WebCore::ThreadedScrollin
gTree::deferWheelEventTestCompletionForReason()
Product: WebKit
Version: WebKit Local Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Scrolling
Assignee: webkit-unassigned at lists.webkit.org
Reporter: simon.fraser at apple.com
CC: simon.fraser at apple.com
Running a recent build with 258031 at main, I see rare crashes when closing tabs:
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000380
Exception Codes: 0x0000000000000001, 0x0000000000000380
Termination Reason: Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process: exc handler [40921]
VM Region Info: 0x380 is not in any region. Bytes before following region: 140737487592576
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
UNUSED SPACE AT START
--->
shared memory 7ffffff46000-7ffffff47000 [ 4K] r-x/r-x SM=SHM
Application Specific Information:
Bundle controller class:
BrowserBundleController
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 WebCore 0x66db1572e WTF::Detail::CallableWrapper<WebCore::ThreadedScrollingTree::deferWheelEventTestCompletionForReason(unsigned long long, WebCore::WheelEventTestMonitor::DeferReason)::$_20, void>::call() + 14
1 JavaScriptCore 0x660c83f3f WTF::RunLoop::performWork() + 431
2 JavaScriptCore 0x660c84a1a WTF::RunLoop::performWork(void*) + 26
3 CoreFoundation 0x7ff81aa52b78 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
4 CoreFoundation 0x7ff81aa52b27 __CFRunLoopDoSource0 + 157
5 CoreFoundation 0x7ff81aa52901 __CFRunLoopDoSources0 + 212
6 CoreFoundation 0x7ff81aa5157b __CFRunLoopRun + 929
7 CoreFoundation 0x7ff81aa50b60 CFRunLoopRunSpecific + 560
8 Foundation 0x7ff81b8ad02a -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 216
9 Foundation 0x7ff81b92fc3c -[NSRunLoop(NSRunLoop) run] + 76
10 libxpc.dylib 0x7ff81a6ecf4b _xpc_objc_main + 773
11 libxpc.dylib 0x7ff81a6ec963 xpc_main + 96
12 WebKit 0x6630fdd26 WebKit::XPCServiceMain(int, char const**) + 276
13 dyld 0x7ff81a644310 start + 2432
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