Thread 1 "wkgtkprinter" received signal SIGSEGV, Segmentation fault. webkitWebViewBaseMakeGLContextCurrent () at ./Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp:2670 2670 ./Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp: No such file or directory. (gdb) f 1 #1 0x00007ffff4a52d1b in WebKit::WaylandCompositor::Surface::setWebPage () at ./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp:184 Download failed: Invalid argument. Continuing without source file ./build-soup2/./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp. 184 ./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp: No such file or directory. (gdb) f 2 #2 0x00007ffff4a53c80 in WebKit::WaylandCompositor::unregisterWebPage () at ./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp:597 597 in ./Source/WebKit/UIProcess/gtk/WaylandCompositor.cpp (gdb) f 3 #3 0x00007ffff4a49318 in WebKit::AcceleratedBackingStoreWayland::~AcceleratedBackingStoreWayland () at ./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp:246 Download failed: Invalid argument. Continuing without source file ./build-soup2/./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp. 246 ./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp: No such file or directory. (gdb) f 4 #4 0x00007ffff4a4937d in WebKit::AcceleratedBackingStoreWayland::~AcceleratedBackingStoreWayland () at ./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp:251 251 in ./Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreWayland.cpp (gdb) f 5 #5 0x00007ffff49bc429 in std::default_delete<WebKit::AcceleratedBackingStore>::operator() () at /usr/include/c++/11/bits/unique_ptr.h:85 85 delete __ptr; (gdb) f 6 #6 std::__uniq_ptr_impl<WebKit::AcceleratedBackingStore, std::default_delete<WebKit::AcceleratedBackingStore> >::reset () at /usr/include/c++/11/bits/unique_ptr.h:182 182 _M_deleter()(__old_p); (gdb) f 7 #7 std::unique_ptr<WebKit::AcceleratedBackingStore, std::default_delete<WebKit::AcceleratedBackingStore> >::reset () at /usr/include/c++/11/bits/unique_ptr.h:456 456 _M_t.reset(std::move(__p)); (gdb) f 8 #8 std::unique_ptr<WebKit::AcceleratedBackingStore, std::default_delete<WebKit::AcceleratedBackingStore> >::operator=(decltype(nullptr)) () at /usr/include/c++/11/bits/unique_ptr.h:397 397 reset(); (gdb) f 9 #9 webkitWebViewBaseDispose () at ./Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp:724 Download failed: Invalid argument. Continuing without source file ./build-soup2/./Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp. 724 ./Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp: No such file or directory. (gdb) f 10 #10 0x00007ffff3dc3011 in g_object_run_dispose () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0 I wrote a library for converting HTML to PDF using WebkitGtk, see the code here https://github.com/gnudles/wkgtkprinter/blob/master/wkgtkprinter.c When I try to free the webkit_view, I get a segmentation fault.