<html>
<head>
<base href="https://bugs.webkit.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GTK] AddressSanitizer: heap-use-after-free under WTF::String::fromUTF8()"
href="https://bugs.webkit.org/show_bug.cgi?id=166722">166722</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[GTK] AddressSanitizer: heap-use-after-free under WTF::String::fromUTF8()
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>Product</th>
<td>WebKit
</td>
</tr>
<tr>
<th>Version</th>
<td>WebKit Local Build
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>OS</th>
<td>Unspecified
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>Normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P2
</td>
</tr>
<tr>
<th>Component</th>
<td>WebKit Gtk
</td>
</tr>
<tr>
<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mcrha@redhat.com
</td>
</tr>
<tr>
<th>CC</th>
<td>bugs-noreply@webkitgtk.org, mcatanzaro@igalia.com, tpopela@redhat.com
</td>
</tr></table>
<p>
<div>
<pre>I just faced an address sanitizer error about use-after-free under WTF::String::fromUTF8().
Steps to reproduce (make sure the LD_PRELOAD library exists in your system, or change its name accordingly):
$ export LD_PRELOAD=/usr/lib64/libasan.so.3
$ export ASAN_OPTIONS=abort_on_error=1:detect_stack_use_after_return=0:detect_leaks=0:handle_segv=0:check_printf=0:detect_deadlocks=1:replace_str=1:replace_intrin=1:alloc_dealloc_mismatch=1:new_delete_type_mismatch=1:detect_container_overflow=1:symbolize=1
$ export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer
$ $PREFIX/libexec/webkit2gtk-4.0/MiniBrowser
The MiniBrowser opens in <a href="http://www.webkitgtk.org">http://www.webkitgtk.org</a> and shortly after the page is loaded the WebKitWebProcess crashes due to the ASan report:
==23181==ERROR: AddressSanitizer: heap-use-after-free on address 0x6040000a1364 at pc 0x7fe834a72fd3 bp 0x7ffc82df2fc0 sp 0x7ffc82df2768
READ of size 14 at 0x6040000a1364 thread T0
#0 0x7fe834a72fd2 (/usr/lib64/libasan.so.3+0x3cfd2)
#1 0x7fe829624656 in WTF::String::fromUTF8(unsigned char const*) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24dc656)
#2 0x7fe82e0f1c89 in WTF::String::fromUTF8(char const*) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x724c89)
#3 0x7fe82ff5e819 in WebCore::topPrivatelyControlledDomain(WTF::String const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2591819)
#4 0x7fe82fef0b5e in WebCore::urlRequiresChromeBrowser(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2523b5e)
#5 0x7fe82fef0db1 in WebCore::UserAgentQuirks::quirksForURL(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2523db1)
#6 0x7fe82ff4a966 in WebCore::standardUserAgentForURL(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x257d966)
#7 0x7fe82e6f47a7 in WebKit::WebPage::platformUserAgent(WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xd277a7)
#8 0x7fe82e46afa8 in WebKit::WebPage::userAgent(WebKit::WebFrame*, WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa9dfa8)
#9 0x7fe82e422044 in WebKit::WebFrameLoaderClient::userAgent(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa55044)
#10 0x7fe82f421e9a in WebCore::FrameLoader::userAgent(WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a54e9a)
#11 0x7fe82f42589e in WebCore::FrameLoader::applyUserAgent(WebCore::ResourceRequest&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a5889e)
#12 0x7fe82f422602 in WebCore::FrameLoader::addExtraFieldsToRequest(WebCore::ResourceRequest&, WebCore::FrameLoadType, bool) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a55602)
#13 0x7fe82f4221cd in WebCore::FrameLoader::addExtraFieldsToMainResourceRequest(WebCore::ResourceRequest&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a551cd)
#14 0x7fe82f41cb18 in WebCore::FrameLoader::load(WebCore::DocumentLoader*) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a4fb18)
#15 0x7fe82f41c70e in WebCore::FrameLoader::load(WebCore::FrameLoadRequest const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a4f70e)
#16 0x7fe82fbcefb7 in WebCore::UserInputBridge::loadRequest(WebCore::FrameLoadRequest const&, WebCore::InputSource) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2201fb7)
#17 0x7fe82e4647da in WebKit::WebPage::loadRequest(WebKit::LoadParameters const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa977da)
#18 0x7fe82e7eee73 in void IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>, 0ul>(WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>&&, std::integer_sequence<unsigned long, 0ul>) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe21e73)
#19 0x7fe82e7ed0ed in void IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>, std::integer_sequence<unsigned long, 0ul> >(std::tuple<WebKit::LoadParameters>&&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe200ed)
#20 0x7fe82e7e6d30 in void IPC::handleMessage<Messages::WebPage::LoadRequest, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)>(IPC::Decoder&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe19d30)
#21 0x7fe82e7e193b in WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe1493b)
#22 0x7fe82e46fc07 in WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xaa2c07)
#23 0x7fe82e05d6da in IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6906da)
#24 0x7fe82e2ee3c9 in WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x9213c9)
#25 0x7fe82e04265b in IPC::Connection::dispatchMessage(IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x67565b)
#26 0x7fe82e0427c5 in IPC::Connection::dispatchMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6757c5)
#27 0x7fe82e0429b7 in IPC::Connection::dispatchOneMessage() ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6759b7)
#28 0x7fe82e0424fb in IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >)::{lambda()#1}::operator()() ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6754fb)
#29 0x7fe82e0490cf in WTF::Function<void ()>::CallableWrapper<IPC::Connection::enqueueIncomingMessage(std::unique_ptr<IPC::Decoder, std::default_delete<IPC::Decoder> >)::{lambda()#1}>::call() ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x67c0cf)
#30 0x7fe8295d73e8 in WTF::Function<void ()>::operator()() const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x248f3e8)
#31 0x7fe8295eb839 in WTF::RunLoop::performWork() ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24a3839)
#32 0x7fe8296326fb in WTF::RunLoop::RunLoop()::{lambda(void*)#1}::operator()(void*) const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24ea6fb)
#33 0x7fe82963271f in WTF::RunLoop::RunLoop()::{lambda(void*)#1}::_FUN(void*) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24ea71f)
#34 0x7fe82963269b in WTF::{lambda(_GSource*, int (*)(void*), void*)#1}::operator()(_GSource*, int (*)(void*), void*) const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24ea69b)
#35 0x7fe8296326ca in WTF::{lambda(_GSource*, int (*)(void*), void*)#1}::_FUN(_GSource*, int (*)(void*), void*) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24ea6ca)
#36 0x7fe82a8c5e41 in g_main_context_dispatch (/lib64/libglib-2.0.so.0+0x49e41)
#37 0x7fe82a8c61bf (/lib64/libglib-2.0.so.0+0x4a1bf)
#38 0x7fe82a8c64e1 in g_main_loop_run (/lib64/libglib-2.0.so.0+0x4a4e1)
#39 0x7fe829632c7b in WTF::RunLoop::run() ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24eac7b)
#40 0x7fe82e6faec3 in int WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain>(int, char**) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xd2dec3)
#41 0x7fe82e6fad71 in WebProcessMainUnix ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xd2dd71)
#42 0x400859 in main ($PREFIX/libexec/webkit2gtk-4.0/WebKitWebProcess+0x400859)
#43 0x7fe82d627400 in __libc_start_main (/lib64/libc.so.6+0x20400)
#44 0x400759 in _start ($PREFIX/libexec/webkit2gtk-4.0/WebKitWebProcess+0x400759)
0x6040000a1364 is located 20 bytes inside of 34-byte region [0x6040000a1350,0x6040000a1372)
freed by thread T0 here:
#0 0x7fe834afcaf0 in free (/usr/lib64/libasan.so.3+0xc6af0)
#1 0x7fe8295d55c6 in WTF::fastFree(void*) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x248d5c6)
#2 0x7fe82e011362 in WTF::RefCounted<WTF::CStringBuffer>::operator delete(void*) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x644362)
#3 0x7fe82e00f63e in WTF::RefCounted<WTF::CStringBuffer>::deref() const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x64263e)
#4 0x7fe82e00d2d9 in void WTF::derefIfNotNull<WTF::CStringBuffer>(WTF::CStringBuffer*) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6402d9)
#5 0x7fe82e00b498 in WTF::RefPtr<WTF::CStringBuffer>::~RefPtr() ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x63e498)
#6 0x7fe82e00b0f3 in WTF::CString::~CString() ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x63e0f3)
#7 0x7fe82ff5e7ff in WebCore::topPrivatelyControlledDomain(WTF::String const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x25917ff)
#8 0x7fe82fef0b5e in WebCore::urlRequiresChromeBrowser(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2523b5e)
#9 0x7fe82fef0db1 in WebCore::UserAgentQuirks::quirksForURL(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2523db1)
#10 0x7fe82ff4a966 in WebCore::standardUserAgentForURL(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x257d966)
#11 0x7fe82e6f47a7 in WebKit::WebPage::platformUserAgent(WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xd277a7)
#12 0x7fe82e46afa8 in WebKit::WebPage::userAgent(WebKit::WebFrame*, WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa9dfa8)
#13 0x7fe82e422044 in WebKit::WebFrameLoaderClient::userAgent(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa55044)
#14 0x7fe82f421e9a in WebCore::FrameLoader::userAgent(WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a54e9a)
#15 0x7fe82f42589e in WebCore::FrameLoader::applyUserAgent(WebCore::ResourceRequest&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a5889e)
#16 0x7fe82f422602 in WebCore::FrameLoader::addExtraFieldsToRequest(WebCore::ResourceRequest&, WebCore::FrameLoadType, bool) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a55602)
#17 0x7fe82f4221cd in WebCore::FrameLoader::addExtraFieldsToMainResourceRequest(WebCore::ResourceRequest&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a551cd)
#18 0x7fe82f41cb18 in WebCore::FrameLoader::load(WebCore::DocumentLoader*) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a4fb18)
#19 0x7fe82f41c70e in WebCore::FrameLoader::load(WebCore::FrameLoadRequest const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a4f70e)
#20 0x7fe82fbcefb7 in WebCore::UserInputBridge::loadRequest(WebCore::FrameLoadRequest const&, WebCore::InputSource) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2201fb7)
#21 0x7fe82e4647da in WebKit::WebPage::loadRequest(WebKit::LoadParameters const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa977da)
#22 0x7fe82e7eee73 in void IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>, 0ul>(WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>&&, std::integer_sequence<unsigned long, 0ul>) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe21e73)
#23 0x7fe82e7ed0ed in void IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>, std::integer_sequence<unsigned long, 0ul> >(std::tuple<WebKit::LoadParameters>&&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe200ed)
#24 0x7fe82e7e6d30 in void IPC::handleMessage<Messages::WebPage::LoadRequest, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)>(IPC::Decoder&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe19d30)
#25 0x7fe82e7e193b in WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe1493b)
#26 0x7fe82e46fc07 in WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xaa2c07)
#27 0x7fe82e05d6da in IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6906da)
#28 0x7fe82e2ee3c9 in WebKit::WebProcess::didReceiveMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x9213c9)
#29 0x7fe82e04265b in IPC::Connection::dispatchMessage(IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x67565b)
previously allocated by thread T0 here:
#0 0x7fe834afce50 in malloc (/usr/lib64/libasan.so.3+0xc6e50)
#1 0x7fe8295d5488 in WTF::fastMalloc(unsigned long) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x248d488)
#2 0x7fe8296053c6 in WTF::CStringBuffer::createUninitialized(unsigned long) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24bd3c6)
#3 0x7fe82960555a in WTF::CString::init(char const*, unsigned long) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24bd55a)
#4 0x7fe8296054e1 in WTF::CString::CString(char const*, unsigned long) ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24bd4e1)
#5 0x7fe82960fb50 in WTF::StringImpl::utf8ForRange(unsigned int, unsigned int, WTF::ConversionMode) const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24c7b50)
#6 0x7fe82960fbcb in WTF::StringImpl::utf8(WTF::ConversionMode) const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24c7bcb)
#7 0x7fe829624229 in WTF::String::utf8(WTF::ConversionMode) const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24dc229)
#8 0x7fe829624257 in WTF::String::utf8() const ($PREFIX/lib/libjavascriptcoregtk-4.0.so.18+0x24dc257)
#9 0x7fe82ff5e7d8 in WebCore::topPrivatelyControlledDomain(WTF::String const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x25917d8)
#10 0x7fe82fef0b5e in WebCore::urlRequiresChromeBrowser(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2523b5e)
#11 0x7fe82fef0db1 in WebCore::UserAgentQuirks::quirksForURL(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2523db1)
#12 0x7fe82ff4a966 in WebCore::standardUserAgentForURL(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x257d966)
#13 0x7fe82e6f47a7 in WebKit::WebPage::platformUserAgent(WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xd277a7)
#14 0x7fe82e46afa8 in WebKit::WebPage::userAgent(WebKit::WebFrame*, WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa9dfa8)
#15 0x7fe82e422044 in WebKit::WebFrameLoaderClient::userAgent(WebCore::URL const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa55044)
#16 0x7fe82f421e9a in WebCore::FrameLoader::userAgent(WebCore::URL const&) const ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a54e9a)
#17 0x7fe82f42589e in WebCore::FrameLoader::applyUserAgent(WebCore::ResourceRequest&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a5889e)
#18 0x7fe82f422602 in WebCore::FrameLoader::addExtraFieldsToRequest(WebCore::ResourceRequest&, WebCore::FrameLoadType, bool) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a55602)
#19 0x7fe82f4221cd in WebCore::FrameLoader::addExtraFieldsToMainResourceRequest(WebCore::ResourceRequest&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a551cd)
#20 0x7fe82f41cb18 in WebCore::FrameLoader::load(WebCore::DocumentLoader*) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a4fb18)
#21 0x7fe82f41c70e in WebCore::FrameLoader::load(WebCore::FrameLoadRequest const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x1a4f70e)
#22 0x7fe82fbcefb7 in WebCore::UserInputBridge::loadRequest(WebCore::FrameLoadRequest const&, WebCore::InputSource) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x2201fb7)
#23 0x7fe82e4647da in WebKit::WebPage::loadRequest(WebKit::LoadParameters const&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xa977da)
#24 0x7fe82e7eee73 in void IPC::callMemberFunctionImpl<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>, 0ul>(WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>&&, std::integer_sequence<unsigned long, 0ul>) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe21e73)
#25 0x7fe82e7ed0ed in void IPC::callMemberFunction<WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&), std::tuple<WebKit::LoadParameters>, std::integer_sequence<unsigned long, 0ul> >(std::tuple<WebKit::LoadParameters>&&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe200ed)
#26 0x7fe82e7e6d30 in void IPC::handleMessage<Messages::WebPage::LoadRequest, WebKit::WebPage, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)>(IPC::Decoder&, WebKit::WebPage*, void (WebKit::WebPage::*)(WebKit::LoadParameters const&)) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe19d30)
#27 0x7fe82e7e193b in WebKit::WebPage::didReceiveWebPageMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xe1493b)
#28 0x7fe82e46fc07 in WebKit::WebPage::didReceiveMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0xaa2c07)
#29 0x7fe82e05d6da in IPC::MessageReceiverMap::dispatchMessage(IPC::Connection&, IPC::Decoder&) ($PREFIX/lib/libwebkit2gtk-4.0.so.37+0x6906da)
SUMMARY: AddressSanitizer: heap-use-after-free (/usr/lib64/libasan.so.3+0x3cfd2)
Shadow bytes around the buggy address:
0x0c088000c210: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c088000c220: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c088000c230: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c088000c240: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c088000c250: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x0c088000c260: fa fa fa fa fa fa fa fa fa fa fd fd[fd]fd fd fa
0x0c088000c270: fa fa 00 00 00 00 05 fa fa fa 00 00 00 00 00 05
0x0c088000c280: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fa
0x0c088000c290: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fd
0x0c088000c2a0: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fa
0x0c088000c2b0: fa fa fd fd fd fd fd fd fa fa fd fd fd fd fd fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Heap right redzone: fb
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack partial redzone: f4
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==23181==ABORTING
This is with git master at commit 5f042ff6a01d0 built with -O0. I'll update the backtrace, if I manage to get one with line numbers.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>