Bug 303461 – [OpenXR] ASSERT when creating projection layers

• Status: RESOLVED
• Resolution: FIXED
• Component: WebXR

[Sergio Villar Senin]

This is the dump

(gdb) bt
#0  0x00007fffee257fa9 in WTFCrash () at ./Source/WTF/wtf/Assertions.cpp:380
#1  0x00007fffe9099ceb in WTFCrashWithInfo () at ./WebKitBuild/WPE/Debug/WTF/Headers/wtf/Assertions.h:985
#2  0x00007fffe9153118 in WTF::assertIsCurrent (threadLikeAssertion=...) at ./WebKitBuild/WPE/Debug/WTF/Headers/wtf/ThreadAssertions.h:160
#3  0x00007fffeaf2c0a1 in WTF::CompletionHandler<void (std::optional<int>)>::operator()(std::optional<int>) (this=0x7fffcc0a03b0, in=std::optional = {...}) at ./WebKitBuild/WPE/Debug/WTF/Headers/wtf/CompletionHandler.h:92
#4  0x00007fffeaf35146 in WebKit::OpenXRCoordinator::createLayerProjection(unsigned int, unsigned int, bool, WTF::CompletionHandler<void (std::optional<int>)>&&)::$_0::operator()(WebKit::OpenXRCoordinator::Active&) const::{lambda()#1}::operator()()
    (this=0x7fffcc0a0398) at ./Source/WebKit/UIProcess/XR/openxr/PlatformXROpenXR.cpp:228
#5  0x00007fffeaf34e89 in WTF::Detail::CallableWrapper<WebKit::OpenXRCoordinator::createLayerProjection(unsigned int, unsigned int, bool, WTF::CompletionHandler<void (std::optional<int>)>&&)::$_0::operator()(WebKit::OpenXRCoordinator::Active&) const::{lambda()#1}, void>::call() (this=0x7fffcc0a0390) at ./WebKitBuild/WPE/Debug/WTF/Headers/wtf/Function.h:59
#6  0x00007fffe90e39a7 in WTF::Function<void ()>::operator()() const (this=0x7fffcc098af0) at ./WebKitBuild/WPE/Debug/WTF/Headers/wtf/Function.h:103

a completion handler that is not running in the right thread

[Sergio Villar Senin]

Pull request: https://github.com/WebKit/WebKit/pull/54759

[EWS]

Committed 303827@main (03f2df943128): <https://commits.webkit.org/303827@main>

Reviewed commits have been landed. Closing PR #54759 and removing active labels.

[Radar WebKit Bug Importer]

<rdar://problem/165754610>