1515066 - Assertion failure: sele->IsMalformed() (Script wasn't marked as malformed.), at /builds/worker/workspace/build/src/parser/html/nsHtml5TreeOpExecutor.cpp:502

Status: RESOLVED FIXED

(Core :: DOM: HTML Parser, defect, P2)

Description

[Jason Kratzer [:jkratzer]]

Attachment: testcase.html

Testcase found while fuzzing mozilla-central rev 7ce7e9407a75.

Assertion failure: sele->IsMalformed() (Script wasn't marked as malformed.), at /builds/worker/workspace/build/src/parser/html/nsHtml5TreeOpExecutor.cpp:502

rax = 0x0000561b08d73e40   rdx = 0x0000000000000000
rcx = 0x00007f0a19d683e5   rbx = 0x00007f0a0bf1e800
rsi = 0x00007f0a26ce78b0   rdi = 0x00007f0a26ce6680
rbp = 0x00007ffcfe4855b0   rsp = 0x00007ffcfe485500
r8 = 0x00007f0a26ce78b0    r9 = 0x00007f0a27e44740
r10 = 0x0000000000000000   r11 = 0x0000000000000000
r12 = 0x00007ffcfe485568   r13 = 0x00007f0a266f4b40
r14 = 0x00007ffcfe485558   r15 = 0x00007f0a0bf207c8
rip = 0x00007f0a14f774bc
OS|Linux|0.0.0 Linux 4.15.0-42-generic #45-Ubuntu SMP Thu Nov 15 19:32:57 UTC 2018 x86_64
CPU|amd64|family 6 model 78 stepping 3|1
GPU|||
Crash|SIGSEGV /SEGV_MAPERR|0x0|0
0|0|libxul.so|nsHtml5TreeOpExecutor::RunFlushLoop()|hg:hg.mozilla.org/mozilla-central:mfbt/RefPtr.h:7ce7e9407a751e1047379635510c0acdc6486200|296|0x0
0|1|libxul.so|nsHtml5ExecutorFlusher::Run()|hg:hg.mozilla.org/mozilla-central:parser/html/nsHtml5StreamParser.cpp:7ce7e9407a751e1047379635510c0acdc6486200|118|0x10
0|2|libxul.so|mozilla::SchedulerGroup::Runnable::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/SchedulerGroup.cpp:7ce7e9407a751e1047379635510c0acdc6486200|299|0x15
0|3|libxul.so|nsThread::ProcessNextEvent(bool, bool*)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:7ce7e9407a751e1047379635510c0acdc6486200|1157|0x11
0|4|libxul.so|NS_ProcessNextEvent(nsIThread*, bool)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:7ce7e9407a751e1047379635510c0acdc6486200|468|0x11
0|5|libxul.so|mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:7ce7e9407a751e1047379635510c0acdc6486200|88|0xa
0|6|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|314|0x17
0|7|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|307|0x8
0|8|libxul.so|nsBaseAppShell::Run()|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:7ce7e9407a751e1047379635510c0acdc6486200|137|0xd
0|9|libxul.so|XRE_RunAppShell()|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:7ce7e9407a751e1047379635510c0acdc6486200|915|0x11
0|10|libxul.so|mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:7ce7e9407a751e1047379635510c0acdc6486200|238|0x5
0|11|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|314|0x17
0|12|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:7ce7e9407a751e1047379635510c0acdc6486200|307|0x8
0|13|libxul.so|XRE_InitChildProcess(int, char**, XREChildData const*)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsEmbedFunctions.cpp:7ce7e9407a751e1047379635510c0acdc6486200|753|0xc
0|14|firefox-bin|content_process_main(mozilla::Bootstrap*, int, char**)|hg:hg.mozilla.org/mozilla-central:ipc/contentproc/plugin-container.cpp:7ce7e9407a751e1047379635510c0acdc6486200|49|0x14
0|15|firefox-bin|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:7ce7e9407a751e1047379635510c0acdc6486200|265|0x11
0|16|libc-2.27.so||||0x21b97
0|17|firefox-bin|MOZ_ReportAssertionFailure|hg:hg.mozilla.org/mozilla-central:mfbt/Assertions.h:7ce7e9407a751e1047379635510c0acdc6486200|169|0x5

Comment 1

[Henri Sivonen (:hsivonen)]

Attachment: Bug 1515066 - Mark SVG script without an end tag malformed.

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/e6f94ab104ba
Mark SVG script without an end tag malformed. r=smaug

Comment 3

[Henri Sivonen (:hsivonen)]

https://hg.mozilla.org/projects/htmlparser/rev/96e37ec9e2cdfc39479ea221c9c7e3a46a5ad9ca

Comment 4

[Henri Sivonen (:hsivonen)]

The wpt tests in the patch also acts as a crashtest.

Comment 5

[Raul Gurzau (:RaulG)]

https://hg.mozilla.org/mozilla-central/rev/e6f94ab104ba

Comment 6

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/14656 for changes under testing/web-platform/tests

Comment 7

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Upstream PR merged