110142 2013-02-18 10:38:06 -0800 ASSERT in m_event.get() in EventDispatcher.cpp 2019-02-06 09:18:59 -0800 1 1 1 Unclassified WebKit DOM 528+ (Nightly build) Unspecified Unspecified RESOLVED DUPLICATE 109898 P2 Normal --- 1 svillar svillar ap darin dglazkov hayato ojan.autocc rniwa sam svillar webkit.review.bot oldest_to_newest 835613 0 svillar 2013-02-18 10:38:06 -0800 I get the following backtrace everytime I try to perform a scroll operation. I got it from a semi-debug build (minimal symbols but asserts on): ASSERTION FAILED: m_event.get() ../../Source/WebCore/dom/EventDispatcher.cpp(67) : WebCore::EventDispatcher::EventDispatcher(WebCore::Node*, WTF::PassRefPtr<WebCore::Event>) 1 0x7f0da1e517b7 /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xa197b7) [0x7f0da1e517b7] 2 0x7f0da1e5166c /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xa1966c) [0x7f0da1e5166c] 3 0x7f0da1e8b5d0 /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xa535d0) [0x7f0da1e8b5d0] 4 0x7f0da23c240b /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0xf8a40b) [0x7f0da23c240b] 5 0x7f0da1a66adb /home/sergio/checkout/WebKit/WebKitBuild/Debug/.libs/libwebkitgtk-3.0.so.0(+0x62eadb) [0x7f0da1a66adb] 6 0x7f0d9f62e0a0 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x21a0a0) [0x7f0d9f62e0a0] 7 0x7f0d9c7983c2 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(+0x123c2) [0x7f0d9c7983c2] 8 0x7f0d9c797f85 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(+0x11f85) [0x7f0d9c797f85] 9 0x7f0d9c7b3e41 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(g_signal_emit_valist+0x54b) [0x7f0d9c7b3e41] 10 0x7f0d9c7b4ff5 /home/sergio/opt/gnome3/lib64/libgobject-2.0.so.0(g_signal_emit+0xa6) [0x7f0d9c7b4ff5] 11 0x7f0d9f7da7ed /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x3c67ed) [0x7f0d9f7da7ed] 12 0x7f0d9f7d9e3d /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_widget_event+0x112) [0x7f0d9f7d9e3d] 13 0x7f0d9f62d9e7 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x2199e7) [0x7f0d9f62d9e7] 14 0x7f0d9f62dd57 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(+0x219d57) [0x7f0d9f62dd57] 15 0x7f0d9f62de25 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_propagate_event+0xcc) [0x7f0d9f62de25] 16 0x7f0d9f62c5eb /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_main_do_event+0x41a) [0x7f0d9f62c5eb] 17 0x7f0d9f19aa86 /home/sergio/opt/gnome3/lib64/libgdk-3.so.0(+0x27a86) [0x7f0d9f19aa86] 18 0x7f0d9f1d3658 /home/sergio/opt/gnome3/lib64/libgdk-3.so.0(+0x60658) [0x7f0d9f1d3658] 19 0x7f0d9c086df5 /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(+0x55df5) [0x7f0d9c086df5] 20 0x7f0d9c087b5a /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x33) [0x7f0d9c087b5a] 21 0x7f0d9c087d4a /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(+0x56d4a) [0x7f0d9c087d4a] 22 0x7f0d9c08817a /home/sergio/opt/gnome3/lib64/libglib-2.0.so.0(g_main_loop_run+0x1d8) [0x7f0d9c08817a] 23 0x7f0d9f62bdb8 /home/sergio/opt/gnome3/lib64/libgtk-3.so.0(gtk_main+0x6e) [0x7f0d9f62bdb8] 24 0x405c61 Programs/GtkLauncher(main+0x2eb) [0x405c61] 25 0x7f0d9b881a55 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f0d9b881a55] 26 0x4039b9 Programs/GtkLauncher() [0x4039b9] patch soon... 835646 1 188921 svillar 2013-02-18 11:15:46 -0800 Created attachment 188921 Patch 835690 2 188921 dglazkov 2013-02-18 12:39:38 -0800 Comment on attachment 188921 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=188921&action=review > Source/WebCore/dom/Node.cpp:2403 > + if (!static_cast<EventDispatchMediator*>(wheelEventDispatchMediator.get())->event()) Can't we just check this in WheelEventDispatchMediator? 835926 3 hayato 2013-02-18 21:07:01 -0800 The patch which caused crash was rolled out. https://bugs.webkit.org/show_bug.cgi?id=110143 So we need to merge this issue into the original bug 109898. 835927 4 hayato 2013-02-18 21:07:17 -0800 *** This bug has been marked as a duplicate of bug 109898 *** 843821 5 188921 pnormand 2013-02-28 00:25:46 -0800 Comment on attachment 188921 Patch Pulling out of review queue as the dupe bug is marked fixed. 1503288 6 lforschler 2019-02-06 09:18:59 -0800 Mass move bugs into the DOM component. 188921 2013-02-18 11:15:46 -0800 2013-02-28 00:25:46 -0800 Patch bug-110142-20130218201208.patch text/plain 1907 svillar U3VidmVyc2lvbiBSZXZpc2lvbjogMTQzMjM0CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggOTUzMjg5NzRiNWU3YTE0 MmFlYjRjZGNjZmQ1MWI5NDEzMGUwMzRjOC4uYmRlZjk0Nzc0ZGE0OTMxMjFmMmRhMWVjMzViZjY3 MzZmYThjNWVlYiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIwIEBACisyMDEzLTAyLTE4ICBTZXJn aW8gVmlsbGFyIFNlbmluICA8c3ZpbGxhckBpZ2FsaWEuY29tPgorCisgICAgICAgIEFTU0VSVCBp biBtX2V2ZW50LmdldCgpIGluIEV2ZW50RGlzcGF0Y2hlci5jcHAKKyAgICAgICAgaHR0cHM6Ly9i dWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTExMDE0MgorCisgICAgICAgIFJldmlld2Vk IGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIEVuc3VyZSB0aGF0IHRoZSBXaGVlbEV2ZW50 RGlzcGF0Y2hlck1lZGlhdG9yIGhhcyBhIHZhbGlkIGV2ZW50CisgICAgICAgIGJlZm9yZSBkaXNw YXRjaGluZyBpdC4gV2hlZWwgZXZlbnRzIHdpdGggbm8gZGVsdGFzIGFyZSBkaXNjYXJkZWQKKyAg ICAgICAgYnkgdGhlIG1lZGlhdG9yLgorCisgICAgICAgIE5vIG5ldyB0ZXN0cyByZXF1aXJlZCwg bm8gbmV3IGZ1bmN0aW9uYWxpdHkgYWRkZWQsIGp1c3Qgc2F0aXNmeWluZworICAgICAgICBhIG1l dGhvZCBwcmVjb25kaXRpb24uCisKKyAgICAgICAgKiBkb20vTm9kZS5jcHA6CisgICAgICAgIChX ZWJDb3JlOjpOb2RlOjpkaXNwYXRjaFdoZWVsRXZlbnQpOgorCiAyMDEzLTAyLTE4ICBDaHJpc3Rv cGhlIER1bWV6ICA8Y2guZHVtZXpAc2lzYS5zYW1zdW5nLmNvbT4KIAogICAgICAgICBbU291cF0g U3VwZXJmbHVvdXMgSGFzaE1hcCBjaGVjayBpbiBTb2NrZXRTdHJlYW1IYW5kbGVTb3VwOjpnZXRI YW5kbGVGcm9tSWQoKQpkaWZmIC0tZ2l0IGEvU291cmNlL1dlYkNvcmUvZG9tL05vZGUuY3BwIGIv U291cmNlL1dlYkNvcmUvZG9tL05vZGUuY3BwCmluZGV4IGU4OGNkZTc0NjRjNmU0ZmEzZmQxMTA5 OGRlOTZjMTk4M2E4NDg3NWYuLmRhNzhmMTYwNzczOWYwMDc3YzJlMDY1ZWNjNWU0MDI2NGRjZmNk NTEgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJDb3JlL2RvbS9Ob2RlLmNwcAorKysgYi9Tb3VyY2Uv V2ViQ29yZS9kb20vTm9kZS5jcHAKQEAgLTIzOTksNyArMjM5OSwxMSBAQCBib29sIE5vZGU6OmRp c3BhdGNoQmVmb3JlTG9hZEV2ZW50KGNvbnN0IFN0cmluZyYgc291cmNlVVJMKQogCiBib29sIE5v ZGU6OmRpc3BhdGNoV2hlZWxFdmVudChjb25zdCBQbGF0Zm9ybVdoZWVsRXZlbnQmIGV2ZW50KQog ewotICAgIHJldHVybiBFdmVudERpc3BhdGNoZXI6OmRpc3BhdGNoRXZlbnQodGhpcywgV2hlZWxF dmVudERpc3BhdGNoTWVkaWF0b3I6OmNyZWF0ZShldmVudCwgZG9jdW1lbnQoKS0+ZGVmYXVsdFZp ZXcoKSkpOworICAgIFJlZlB0cjxXaGVlbEV2ZW50RGlzcGF0Y2hNZWRpYXRvcj4gd2hlZWxFdmVu dERpc3BhdGNoTWVkaWF0b3IgPSBXaGVlbEV2ZW50RGlzcGF0Y2hNZWRpYXRvcjo6Y3JlYXRlKGV2 ZW50LCBkb2N1bWVudCgpLT5kZWZhdWx0VmlldygpKTsKKyAgICBpZiAoIXN0YXRpY19jYXN0PEV2 ZW50RGlzcGF0Y2hNZWRpYXRvcio+KHdoZWVsRXZlbnREaXNwYXRjaE1lZGlhdG9yLmdldCgpKS0+ ZXZlbnQoKSkKKyAgICAgICAgcmV0dXJuIGZhbHNlOworCisgICAgcmV0dXJuIEV2ZW50RGlzcGF0 Y2hlcjo6ZGlzcGF0Y2hFdmVudCh0aGlzLCB3aGVlbEV2ZW50RGlzcGF0Y2hNZWRpYXRvcik7CiB9 CiAKIHZvaWQgTm9kZTo6ZGlzcGF0Y2hGb2N1c0V2ZW50KFBhc3NSZWZQdHI8Tm9kZT4gb2xkRm9j dXNlZE5vZGUsIEZvY3VzRGlyZWN0aW9uKQo=