201303 2019-08-29 09:04:22 -0700 [GTK] IconDatabase is not thread-safe 2019-09-30 05:38:52 -0700 1 1 1 Unclassified WebKit WebKitGTK WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 cturner webkit-unassigned annulen aperez berto bugs-noreply cgarcia ews-watchlist gustavo gyuyoung.kim rakuco ryuan.choi sergio yurys zan oldest_to_newest 1566259 0 cturner 2019-08-29 09:04:22 -0700 IconDatabase::writeToDatabase copies it's m_iconsPendingSync values which seem to be created on the main thread into a Vector on its icon-sync thread. IconSnapshot contain a RefPtr<SharedBuffer>, and ref()'ing the SharedBuffer on the main thread and also a background thread is unsafe, and triggers assertions in recent WebKits, #0 0x00007f4286c380ad in WTFCrash () at /home/ubuntu/webkit/webkit-git/Source/WTF/wtf/Assertions.cpp:305 #1 0x00007f4294382447 in WTF::RefCountedBase::applyRefDerefThreadingCheck (this=0x55d0083284c0) at DerivedSources/ForwardingHeaders/wtf/RefCounted.h:115 #2 0x00007f42943822f2 in WTF::RefCountedBase::ref (this=0x55d0083284c0) at DerivedSources/ForwardingHeaders/wtf/RefCounted.h:43 #3 0x00007f42949ec421 in WTF::refIfNotNull<WebCore::SharedBuffer> (ptr=0x55d0083284c0) at DerivedSources/ForwardingHeaders/wtf/RefPtr.h:38 #4 0x00007f42949e8106 in WTF::RefPtr<WebCore::SharedBuffer, WTF::DumbPtrTraits<WebCore::SharedBuffer> >::RefPtr (this=0x7f421801f9d0, o=...) at DerivedSources/ForwardingHeaders/wtf/RefPtr.h:58 #5 0x00007f4294e0b388 in WebKit::IconDatabase::IconSnapshot::IconSnapshot (this=0x7f421801f9c0) at /home/ubuntu/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.h:61 #6 0x00007f4294e0e05c in WTF::Vector<WebKit::IconDatabase::IconSnapshot, 0ul, WTF::CrashOnOverflow, 16ul>::appendSlowCase<WebKit::IconDatabase::IconSnapshot&> (this=0x7f422e5f79d0, value=...) at DerivedSources/ForwardingHeaders/wtf/Vector.h:1346 #7 0x00007f4294e0b446 in WTF::Vector<WebKit::IconDatabase::IconSnapshot, 0ul, WTF::CrashOnOverflow, 16ul>::append<WebKit::IconDatabase::IconSnapshot&> (this=0x7f422e5f79d0, value=...) at DerivedSources/ForwardingHeaders/wtf/Vector.h:1304 #8 0x00007f4294e074bd in WTF::Vector<WebKit::IconDatabase::IconSnapshot, 0ul, WTF::CrashOnOverflow, 16ul>::appendRange<WTF::HashTableValuesIterator<WTF::HashTable<WTF::String, WTF::KeyValuePair<WTF::String, WebKit::IconDatabase::IconSnapshot>, WTF::KeyValuePairKeyExtractor<WTF::KeyValuePair<WTF::String, WebKit::IconDatabase::IconSnapshot> >, WTF::StringHash, WTF::HashMap<WTF::String, WebKit::IconDatabase::IconSnapshot, WTF::StringHash, WTF::HashTraits<WTF::String>, WTF::HashTraits<WebKit::IconDatabase::IconSnapshot> >::KeyValuePairTraits, WTF::HashTraits<WTF::String> >, WTF::String, WebKit::IconDatabase::IconSnapshot> > (this=0x7f422e5f79d0, start=..., end=...) at DerivedSources/ForwardingHeaders/wtf/Vector.h:1036 #9 0x00007f4294dfeeb5 in WebKit::IconDatabase::writeToDatabase (this=0x55d008157770) at /home/ubuntu/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:1472 #10 0x00007f4294dfddfa in WebKit::IconDatabase::syncThreadMainLoop (this=0x55d008157770) at /home/ubuntu/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:1256 #11 0x00007f4294dfc45e in WebKit::IconDatabase::iconDatabaseSyncThread (this=0x55d008157770) at /home/ubuntu/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:931 #12 0x00007f4294df857f in WebKit::IconDatabase::<lambda()>::operator()(void) const (__closure=0x55d0082b0b18) at /home/ubuntu/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:223 #13 0x00007f4294e04572 in WTF::Detail::CallableWrapper<WebKit::IconDatabase::open(const WTF::String&, const WTF::String&)::<lambda()>, void>::call(void) (this=0x55d0082b0b10) at DerivedSources/ForwardingHeaders/wtf/Function.h:52 #14 0x00007f429445a81d in WTF::Function<void ()>::operator()() const (this=0x7f422e5f7c30) at DerivedSources/ForwardingHeaders/wtf/Function.h:79 #15 0x00007f4286c6f3ff in WTF::Thread::entryPoint (newThreadContext=0x55d0082a4480) at /home/ubuntu/webkit/webkit-git/Source/WTF/wtf/Threading.cpp:148 #16 0x00007f4286cee2e5 in WTF::wtfThreadEntryPoint (context=0x55d0082a4480) at /home/ubuntu/webkit/webkit-git/Source/WTF/wtf/posix/ThreadingPOSIX.cpp:200 #17 0x00007f42836036db in start_thread (arg=0x7f422e5f8700) at pthread_create.c:463 #18 0x00007f428332c88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 1569904 1 cturner 2019-09-11 04:00:49 -0700 Another issue I am hitting, triggered by new assertions in https://bugs.webkit.org/show_bug.cgi?id=200734 IconDatabase::IconRecord::setImageData is creating a BitmapImage from its sync-thread. This class now has to be created / destroyed on the main thread since internall it uses an ImageSource which has this constraint. #0 0x00007f568af0b7db in WTFCrash () at /home/cturner/webkit/webkit-git/Source/WTF/wtf/Assertions.cpp:305 #1 0x00007f5698740e6f in CRASH_WITH_INFO(...) () at DerivedSources/ForwardingHeaders/wtf/Assertions.h:658 #2 0x00007f569b926479 in WebCore::ImageSource::ImageSource (this=0x7f561c0204e0, image=0x7f561c01e960, alphaOption=WebCore::AlphaOption::Premultiplied, gammaAndColorProfileOption=WebCore::GammaAndColorProfileOption::Applied) at /home/cturner/webkit/webkit-git/Source/WebCore/platform/graphics/ImageSource.cpp:51 #3 0x00007f569b893936 in WebCore::ImageSource::create (image=0x7f561c01e960, alphaOption=WebCore::AlphaOption::Premultiplied, gammaAndColorProfileOption=WebCore::GammaAndColorProfileOption::Applied) at /home/cturner/webkit/webkit-git/Source/WebCore/platform/graphics/ImageSource.h:50 #4 0x00007f569b885d3e in WebCore::BitmapImage::BitmapImage (this=0x7f561c01e960, observer=0x0) at /home/cturner/webkit/webkit-git/Source/WebCore/platform/graphics/BitmapImage.cpp:46 #5 0x00007f56991cd830 in WebCore::BitmapImage::create (observer=0x0) at DerivedSources/ForwardingHeaders/WebCore/BitmapImage.h:62 #6 0x00007f56991c0b3f in WebKit::IconDatabase::IconRecord::setImageData (this=0x7f561c01d7c0, data=...) at /home/cturner/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:127 #7 0x00007f56991c720c in WebKit::IconDatabase::readFromDatabase (this=0x55e88bc03940) at /home/cturner/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:1385 #8 0x00007f56991c6965 in WebKit::IconDatabase::syncThreadMainLoop (this=0x55e88bc03940) at /home/cturner/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:1260 #9 0x00007f56991c4fa6 in WebKit::IconDatabase::iconDatabaseSyncThread (this=0x55e88bc03940) at /home/cturner/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:931 #10 0x00007f56991c10c7 in WebKit::IconDatabase::<lambda()>::operator()(void) const (__closure=0x55e88bc5ee78) at /home/cturner/webkit/webkit-git/Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:223 #11 0x00007f56991cd0ba in WTF::Detail::CallableWrapper<WebKit::IconDatabase::open(const WTF::String&, const WTF::String&)::<lambda()>, void>::call(void) (this=0x55e88bc5ee70) at DerivedSources/ForwardingHeaders/wtf/Function.h:52 #12 0x00007f5698828399 in WTF::Function<void ()>::operator()() const (this=0x7f56318e3c30) at DerivedSources/ForwardingHeaders/wtf/Function.h:79 #13 0x00007f568af42a7d in WTF::Thread::entryPoint (newThreadContext=0x55e88bc5f120) at /home/cturner/webkit/webkit-git/Source/WTF/wtf/Threading.cpp:148 #14 0x00007f568afc1963 in WTF::wtfThreadEntryPoint (context=0x55e88bc5f120) at /home/cturner/webkit/webkit-git/Source/WTF/wtf/posix/ThreadingPOSIX.cpp:200 #15 0x00007f568789a6db in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #16 0x00007f56875c388f in clone () from /lib/x86_64-linux-gnu/libc.so.6 1572688 2 cgarcia 2019-09-20 01:09:27 -0700 *** Bug 202001 has been marked as a duplicate of this bug. *** 1574376 3 379623 cgarcia 2019-09-26 00:51:50 -0700 Created attachment 379623 Patch 1574378 4 ews-watchlist 2019-09-26 00:52:37 -0700 Thanks for the patch. If this patch contains new public API please make sure it follows the guidelines for new WebKit2 GTK+ API. See http://trac.webkit.org/wiki/WebKitGTK/AddingNewWebKit2API 1574379 5 379624 cgarcia 2019-09-26 01:04:38 -0700 Created attachment 379624 Try to fix WPE build Do not build the favicon database tests in WPE since it's GTK specific 1574393 6 aperez 2019-09-26 02:04:47 -0700 Nice work removing unneeded code, Carlos! 1574423 7 379624 cturner 2019-09-26 04:58:16 -0700 Comment on attachment 379624 Try to fix WPE build View in context: https://bugs.webkit.org/attachment.cgi?id=379624&action=review > Source/WebKit/UIProcess/API/glib/IconDatabase.cpp:-30 > -#include "Logging.h" You need to keep this include for the logging calls 1575238 8 379624 zan 2019-09-30 05:16:24 -0700 Comment on attachment 379624 Try to fix WPE build View in context: https://bugs.webkit.org/attachment.cgi?id=379624&action=review > Source/WebKit/UIProcess/API/glib/WebKitFaviconDatabase.cpp:181 > +#if 0 This can then be removed? 1575240 9 379624 cgarcia 2019-09-30 05:35:42 -0700 Comment on attachment 379624 Try to fix WPE build View in context: https://bugs.webkit.org/attachment.cgi?id=379624&action=review >> Source/WebKit/UIProcess/API/glib/WebKitFaviconDatabase.cpp:181 >> +#if 0 > > This can then be removed? Right! I forgot to remove this. 1575241 10 cgarcia 2019-09-30 05:38:52 -0700 Committed r250518: <https://trac.webkit.org/changeset/250518> 379623 2019-09-26 00:51:50 -0700 2019-09-26 01:04:38 -0700 Patch wk2-favicon-database.diff text/plain 171367 cgarcia ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nIGIvU291cmNlL1dlYktpdC9DaGFu Z2VMb2cKaW5kZXggY2M1NzI3ZWY5YWYuLjQ5NWU2NGVkMzNhIDEwMDY0NAotLS0gYS9Tb3VyY2Uv V2ViS2l0L0NoYW5nZUxvZworKysgYi9Tb3VyY2UvV2ViS2l0L0NoYW5nZUxvZwpAQCAtMSwzICsx LDYwIEBACisyMDE5LTA5LTI2ICBDYXJsb3MgR2FyY2lhIENhbXBvcyAgPGNnYXJjaWFAaWdhbGlh LmNvbT4KKworICAgICAgICBbR1RLXSBJY29uRGF0YWJhc2UgaXMgbm90IHRocmVhZC1zYWZlCisg ICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMDEzMDMKKwor ICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBSZXdyaXRlIHRo ZSBJY29uRGF0YWJhc2UgaW1wbGVtZW50YXRpb24uIE5vdyB0aGF0IHdlIGFyZSB0aGUgb25seSB1 c2VycyBvZiB0aGlzIGNvZGUsIHdlIGNhbiBzaW1wbHkgaXQgYSBsb3QgYW5kCisgICAgICAgIGRl 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