307588 2026-02-11 12:52:58 -0800 [WPE] streams/blob-and-tee.html is flaky 2026-02-14 23:03:20 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Linux RESOLVED DUPLICATE 307794 P2 Normal --- 1 alex webkit-unassigned csaavedra oldest_to_newest 2180425 0 alex 2026-02-11 12:52:58 -0800 It has started to crash since: 307244@main-307245@main https://build.webkit.org/results/WPE-Linux-64-bit-Release-Tests/307256@main%20(25228)/streams/blob-and-tee-crash-log.txt Thread 1 (Thread 0x7fbe731ee540 (LWP 3086573)): #0 0x00007fbe803df608 in WebCore::TeeBYOBReadRequest::runChunkStepsInMicrotask(JSC::JSValue) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #1 0x00007fbe80b9d5e4 in WebCore::EventLoopFunctionMicrotaskDispatcher::run(JSC::QueuedTask&) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #2 0x00007fbe80bdba07 in WebCore::MicrotaskQueue::performMicrotaskCheckpoint() () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #3 0x00007fbe80bad27c in WebCore::EventLoop::run(std::optional<WTF::ApproximateTime>) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #4 0x00007fbe80c89a8a in WebCore::WindowEventLoop::didReachTimeToRun() () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #5 0x00007fbe80c89b4b in WTF::Detail::CallableWrapper<WebCore::Timer::Timer<WebCore::WindowEventLoop, WebCore::WindowEventLoop>(WebCore::WindowEventLoop&, void (WebCore::WindowEventLoop::*)())::{lambda()#1}, void>::call() () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #6 0x00007fbe816477d7 in WebCore::ThreadTimers::sharedTimerFiredInternal() [clone .part.0] () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #7 0x00007fbe7f1070d1 in WTF::RunLoop::TimerBase::TimerBase(WTF::Ref<WTF::RunLoop, WTF::RawPtrTraits<WTF::RunLoop>, WTF::DefaultRefDerefTraits<WTF::RunLoop> >&&, WTF::ASCIILiteral)::{lambda(void*)#1}::_FUN(void*) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #8 0x00007fbe7f10a8ed in WTF::RunLoop::{lambda(_GSource*, int (*)(void*), void*)#1}::_FUN(_GSource*, int (*)(void*), void*) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #9 0x00007fbe7994240e in ??? () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007fbe79942680 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #11 0x00007fbe7f108c47 in WTF::RunLoop::runGLibMainLoopIteration(WTF::RunLoop::MayBlock) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #12 0x00007fbe7f109042 in WTF::RunLoop::run() () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #13 0x00007fbe7d5073a6 in int WebKit::AuxiliaryProcessMain<WebKit::WebProcessMainWPE>(int, char**) () at /sdk/webkit/WebKitBuild/WPE/Release/lib/libWPEWebKit-2.0.so.1 #14 0x00007fbe7a8181ca in __libc_start_call_main (main=main@entry=0x561e1b5d47d0 <main>, argc=argc@entry=4, argv=argv@entry=0x7ffe9664ce48) at ../sysdeps/nptl/libc_start_call_main.h:58 #15 0x00007fbe7a81828b in __libc_start_main_impl (main=0x561e1b5d47d0 <main>, argc=4, argv=0x7ffe9664ce48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe9664ce38) at ../csu/libc-start.c:360 #16 0x0000561e1b5d4705 in _start () STDERR: 2181862 1 csaavedra 2026-02-14 23:01:48 -0800 This looks like a flaky crash, it's not crashing in every run. Marking as such. 2181863 2 csaavedra 2026-02-14 23:03:20 -0800 Actually I think this was fixed with https://bugs.webkit.org/show_bug.cgi?id=307794 *** This bug has been marked as a duplicate of bug 307794 ***