Open Bug 1612928 Opened 2 months ago Updated 2 months ago

Assertion failure: !mSyncLoopTarget, at /builds/worker/workspace/build/src/dom/xhr/XMLHttpRequestWorker.cpp:839

Categories

(Core :: DOM: Networking, defect, P2)

defect

Tracking

()

Tracking Status
firefox74 --- affected

People

(Reporter: jkratzer, Unassigned)

References

(Blocks 1 open bug)

Details

(Keywords: assertion, testcase, Whiteboard: [fuzzblocker][necko-triaged])

Attachments

(2 files)

Attached file testcase.html

Testcase found while fuzzing mozilla-central rev f4e3917a0fa1.

Assertion failure: !mSyncLoopTarget, at /builds/worker/workspace/build/src/dom/xhr/XMLHttpRequestWorker.cpp:839

rax = 0x000056118938a340   rdx = 0x0000000000000000
rcx = 0x00007ffbc707ddca   rbx = 0x00007ffba3004c90
rsi = 0x00007ffbd2b358b0   rdi = 0x00007ffbd2b34680
rbp = 0x00007ffce720a7d0   rsp = 0x00007ffce720a780
r8 = 0x00007ffbd2b358b0    r9 = 0x00007ffbd3c9c780
r10 = 0x0000000000000000   r11 = 0x0000000000000000
r12 = 0x0000000000000000   r13 = 0x00007ffce720a788
r14 = 0x00007ffce720a808   r15 = 0x00007ffba2e25e80
rip = 0x00007ffbc31c821c
OS|Linux|0.0.0 Linux 5.3.0-28-generic #30~18.04.1-Ubuntu SMP Fri Jan 17 06:14:09 UTC 2020 x86_64
CPU|amd64|family 6 model 94 stepping 3|8
GPU|||
Crash|SIGSEGV|0x0|0
0|0|libxul.so|mozilla::dom::Proxy::Teardown(bool)|hg:hg.mozilla.org/mozilla-central:dom/xhr/XMLHttpRequestWorker.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|816|0x0
0|1|libxul.so|AsyncTeardownRunnable::Run|hg:hg.mozilla.org/mozilla-central:dom/xhr/XMLHttpRequestWorker.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|350|0x13
0|2|libxul.so|mozilla::ThrottledEventQueue::Inner::ExecuteRunnable()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/ThrottledEventQueue.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|252|0x12
0|3|libxul.so|mozilla::ThrottledEventQueue::Inner::Executor::Run()|hg:hg.mozilla.org/mozilla-central:xpcom/threads/ThrottledEventQueue.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|80|0xd
0|4|libxul.so|nsThread::ProcessNextEvent(bool, bool*)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThread.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|1220|0xe
0|5|libxul.so|NS_ProcessNextEvent(nsIThread*, bool)|hg:hg.mozilla.org/mozilla-central:xpcom/threads/nsThreadUtils.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|486|0x11
0|6|libxul.so|mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessagePump.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|87|0xa
0|7|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|315|0x19
0|8|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|290|0x8
0|9|libxul.so|nsBaseAppShell::Run()|hg:hg.mozilla.org/mozilla-central:widget/nsBaseAppShell.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|137|0xd
0|10|libxul.so|nsAppStartup::Run()|hg:hg.mozilla.org/mozilla-central:toolkit/components/startup/nsAppStartup.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|272|0x10
0|11|libxul.so|XREMain::XRE_mainRun()|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsAppRunner.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|4560|0x16
0|12|libxul.so|XREMain::XRE_main(int, char**, mozilla::BootstrapConfig const&)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsAppRunner.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|4695|0x8
0|13|libxul.so|XRE_main(int, char**, mozilla::BootstrapConfig const&)|hg:hg.mozilla.org/mozilla-central:toolkit/xre/nsAppRunner.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|4746|0x5
0|14|firefox-bin|do_main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|217|0x26
0|15|firefox-bin|main|hg:hg.mozilla.org/mozilla-central:browser/app/nsBrowserApp.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|339|0xf
0|16|libc-2.27.so||||0x21b97
0|17|firefox-bin|__cxa_throw_bad_array_new_length|hg:hg.mozilla.org/mozilla-central:build/unix/stdc++compat/stdc++compat.cpp:f4e3917a0fa15fb009e0ec4403ea7d066ee0e3c0|82|0x12
0|18|firefox-bin||||0x10e30
0|19|ld-2.27.so||||0x10733
0|20|libdl-2.27.so||||0x202d80
0|21|libpthread-2.27.so||||0x219bb0
0|22|firefox-bin||||0x10e30
0|23|firefox-bin|_start|||0x29
Flags: in-testsuite?
Attached file worker.js
Whiteboard: [fuzzblocker]
Priority: -- → P2
Whiteboard: [fuzzblocker] → [fuzzblocker][necko-triaged]
You need to log in before you can comment on or make changes to this bug.