1743456 - Hit MOZ_CRASH(DocumentChannel::SetLoadFlags: Don't set flags after creation) at /netwerk/ipc/DocumentChannel.cpp:299

Status: RESOLVED DUPLICATE of bug 1694904

(Core :: Networking, defect, P2)

Description

[Jason Kratzer [:jkratzer]]

Testcase found while fuzzing mozilla-central rev d03f87555639 (built with: --enable-address-sanitizer --enable-fuzzing).

Testcase can be reproduced using the following commands:

$ pip install fuzzfetch grizzly-framework
$ python -m fuzzfetch --build d03f87555639 --asan --fuzzing -n firefox
$ python -m grizzly.replay ./firefox/firefox testcase.zip --repeat 20 --no-harness 

Hit MOZ_CRASH(DocumentChannel::SetLoadFlags: Don't set flags after creation) at /netwerk/ipc/DocumentChannel.cpp:299

    =================================================================
    ==3558750==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000001 (pc 0x7f4fee6c5d9b bp 0x7ffdf49a1330 sp 0x7ffdf49a1260 T0)
    ==3558750==The signal is caused by a WRITE memory access.
    ==3558750==Hint: address points to the zero page.
        #0 0x7f4fee6c5d9b in mozilla::net::DocumentChannel::SetLoadFlags(unsigned int) /netwerk/ipc/DocumentChannel.cpp:299:3
        #1 0x7f4fed8e74e3 in mozilla::net::nsLoadGroup::MergeLoadFlags(nsIRequest*, unsigned int&) /netwerk/base/nsLoadGroup.cpp:1028:20
        #2 0x7f4fed8e6726 in mozilla::net::nsLoadGroup::AddRequest(nsIRequest*, nsISupports*) /netwerk/base/nsLoadGroup.cpp:440:10
        #3 0x7f4fee6c7faf in mozilla::net::DocumentChannelChild::AsyncOpen(nsIStreamListener*) /netwerk/ipc/DocumentChannelChild.cpp:84:17
        #4 0x7f4fefb9e28c in nsURILoader::OpenURI(nsIChannel*, unsigned int, nsIInterfaceRequestor*) /uriloader/base/nsURILoader.cpp:731:17
        #5 0x7f4ff9441d31 in nsDocShell::OpenInitializedChannel(nsIChannel*, nsIURILoader*, unsigned int) /docshell/base/nsDocShell.cpp:10574:20
        #6 0x7f4ff943a2c8 in nsDocShell::DoURILoad(nsDocShellLoadState*, mozilla::Maybe<unsigned int>, nsIRequest**) /docshell/base/nsDocShell.cpp:10443:10
        #7 0x7f4ff938c43d in nsDocShell::InternalLoad(nsDocShellLoadState*, mozilla::Maybe<unsigned int>) /docshell/base/nsDocShell.cpp:9536:8
        #8 0x7f4ff9409b75 in nsDocShell::LoadHistoryEntry(nsDocShellLoadState*, unsigned int, bool) /docshell/base/nsDocShell.cpp:11906:10
        #9 0x7f4ff94d480a in operator() /docshell/base/nsDocShell.cpp:4006:25
        #10 0x7f4ff94d480a in std::_Function_handler<void (mozilla::Tuple<bool, mozilla::Maybe<RefPtr<nsDocShellLoadState> >, mozilla::Maybe<bool> >&&), nsDocShell::Reload(unsigned int)::$_71>::_M_invoke(std::_Any_data const&, mozilla::Tuple<bool, mozilla::Maybe<RefPtr<nsDocShellLoadState> >, mozilla::Maybe<bool> >&&) /builds/worker/fetches/sysroot-x86_64-linux-gnu/usr/lib/gcc/x86_64-linux-gnu/7.5.0/../../../../include/c++/7.5.0/bits/std_function.h:316:2
        #11 0x7f4feed099be in mozilla::dom::PContentChild::OnMessageReceived(IPC::Message const&) /builds/worker/workspace/obj-build/ipc/ipdl/PContentChild.cpp:14060:27
        #12 0x7f4feea85ad9 in mozilla::ipc::MessageChannel::DispatchAsyncMessage(mozilla::ipc::ActorLifecycleProxy*, IPC::Message const&) /ipc/glue/MessageChannel.cpp:2043:25
        #13 0x7f4feea829d8 in mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) /ipc/glue/MessageChannel.cpp:1968:9
        #14 0x7f4feea841f2 in mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::MessageChannel::MessageTask&) /ipc/glue/MessageChannel.cpp:1827:3
        #15 0x7f4feea84c07 in mozilla::ipc::MessageChannel::MessageTask::Run() /ipc/glue/MessageChannel.cpp:1855:14
        #16 0x7f4fed5a55e2 in mozilla::RunnableTask::Run() /xpcom/threads/TaskController.cpp:468:16
        #17 0x7f4fed56aabd in mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /xpcom/threads/TaskController.cpp:771:26
        #18 0x7f4fed568018 in mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) /xpcom/threads/TaskController.cpp:607:15
        #19 0x7f4fed568729 in mozilla::TaskController::ProcessPendingMTTask(bool) /xpcom/threads/TaskController.cpp:391:36
        #20 0x7f4fed5aec21 in operator() /xpcom/threads/TaskController.cpp:124:37
        #21 0x7f4fed5aec21 in mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_0>::Run() /xpcom/threads/nsThreadUtils.h:531:5
        #22 0x7f4fed58aea7 in nsThread::ProcessNextEvent(bool, bool*) /xpcom/threads/nsThread.cpp:1183:16
        #23 0x7f4fed59639c in NS_ProcessNextEvent(nsIThread*, bool) /xpcom/threads/nsThreadUtils.cpp:467:10
        #24 0x7f4feea8e46f in mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) /ipc/glue/MessagePump.cpp:85:21
        #25 0x7f4fee90d801 in RunInternal /ipc/chromium/src/base/message_loop.cc:331:10
        #26 0x7f4fee90d801 in RunHandler /ipc/chromium/src/base/message_loop.cc:324:3
        #27 0x7f4fee90d801 in MessageLoop::Run() /ipc/chromium/src/base/message_loop.cc:306:3
        #28 0x7f4ff5597a17 in nsBaseAppShell::Run() /widget/nsBaseAppShell.cpp:137:27
        #29 0x7f4ffa05fc6f in XRE_RunAppShell() /toolkit/xre/nsEmbedFunctions.cpp:864:20
        #30 0x7f4fee90d801 in RunInternal /ipc/chromium/src/base/message_loop.cc:331:10
        #31 0x7f4fee90d801 in RunHandler /ipc/chromium/src/base/message_loop.cc:324:3
        #32 0x7f4fee90d801 in MessageLoop::Run() /ipc/chromium/src/base/message_loop.cc:306:3
        #33 0x7f4ffa05eea2 in XRE_InitChildProcess(int, char**, XREChildData const*) /toolkit/xre/nsEmbedFunctions.cpp:701:34
        #34 0x55ba8c74bdfd in content_process_main(mozilla::Bootstrap*, int, char**) /browser/app/../../ipc/contentproc/plugin-container.cpp:57:28
        #35 0x55ba8c74c228 in main /browser/app/nsBrowserApp.cpp:327:18
        #36 0x7f500b7cd0b2 in __libc_start_main /build/glibc-eX1tMB/glibc-2.31/csu/../csu/libc-start.c:308:16
        #37 0x55ba8c69aec9 in _start (/home/jkratzer/builds/mc-asan/firefox+0x5cec9)
    
    AddressSanitizer can not provide additional info.
    SUMMARY: AddressSanitizer: SEGV /netwerk/ipc/DocumentChannel.cpp:299:3 in mozilla::net::DocumentChannel::SetLoadFlags(unsigned int)
    ==3558750==ABORTING

Comment 1

[Jason Kratzer [:jkratzer]]

Attachment: Testcase

Comment 2

[Bugmon [:jkratzer for issues]]

Bugmon Analysis
Unable to reproduce bug 1743456 using build mozilla-central 20211129094259-d03f87555639. Without a baseline, bugmon is unable to analyze this bug.
Removing bugmon keyword as no further action possible. Please review the bug and re-add the keyword for further analysis.

Comment 3

[Dragana Damjanovic [:dragana]]

Anny, can you take a look?

Comment 4

[Anny Gakhokidze [:annyG]]

Redirecting the NI to Hsin-Yi, as I won't be able to look into this anymore.

Comment 5

[Hsin-Yi Tsai (she/her) [:hsinyi]]

Isn't this a duplicate of Bug 1694904?