Bug Summary

File:var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h
Warning:line 314, column 5
Use of memory after it is freed

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name WebrtcTCPSocketWrapper.cpp -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -relaxed-aliasing -ffp-contract=off -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dom/media/webrtc/transport/build -fcoverage-compilation-dir=/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dom/media/webrtc/transport/build -resource-dir /usr/lib/llvm-20/lib/clang/20 -include /var/lib/jenkins/workspace/firefox-scan-build/config/gcc_hidden.h -include /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/mozilla-config.h -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/stl_wrappers -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/system_wrappers -U _FORTIFY_SOURCE -D _FORTIFY_SOURCE=2 -D _GLIBCXX_ASSERTIONS -D DEBUG=1 -D LINUX -D HAVE_STRDUP -D NR_SOCKET_IS_VOID_PTR -D R_DEFINED_INT2=int16_t -D R_DEFINED_UINT2=uint16_t -D R_DEFINED_INT4=int32_t -D R_DEFINED_UINT4=uint32_t -D R_DEFINED_INT8=int64_t -D R_DEFINED_UINT8=uint64_t -D MOZ_HAS_MOZGLUE -D MOZILLA_INTERNAL_API -D IMPL_LIBXUL -D MOZ_SUPPORT_LEAKCHECKING -D STATIC_EXPORTABLE_JS_API -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/build -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dom/media/webrtc/transport/build -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/ipc/ipdl/_ipdlheaders -I /var/lib/jenkins/workspace/firefox-scan-build/ipc/chromium/src -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nICEr/src/crypto -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nICEr/src/ice -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nICEr/src/net -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nICEr/src/stun -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nICEr/src/util -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/event -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/log -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/plugin -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/port/generic/include -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/registry -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/share -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/stats -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/util/libekr -I /var/lib/jenkins/workspace/firefox-scan-build/third_party/libsrtp/src/crypto/include -I /var/lib/jenkins/workspace/firefox-scan-build/third_party/libsrtp/src/include -I /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/third_party/nrappkit/src/port/linux/include -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/nspr -I /var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/nss -D MOZILLA_CLIENT -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../include/x86_64-linux-gnu/c++/14 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/backward -internal-isystem /usr/lib/llvm-20/lib/clang/20/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -Wno-error=tautological-type-limit-compare -Wno-invalid-offsetof -Wno-range-loop-analysis -Wno-deprecated-anon-enum-enum-conversion -Wno-deprecated-enum-enum-conversion -Wno-deprecated-this-capture -Wno-inline-new-delete -Wno-error=deprecated-declarations -Wno-error=array-bounds -Wno-error=free-nonheap-object -Wno-error=atomic-alignment -Wno-error=deprecated-builtins -Wno-psabi -Wno-error=builtin-macro-redefined -Wno-vla-cxx-extension -Wno-unknown-warning-option -fdeprecated-macro -ferror-limit 19 -fstrict-flex-arrays=1 -stack-protector 2 -fstack-clash-protection -ftrivial-auto-var-init=pattern -fno-rtti -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -fno-sized-deallocation -fno-aligned-allocation -vectorize-loops -vectorize-slp -analyzer-checker optin.performance.Padding -analyzer-output=html -analyzer-config stable-report-filename=true -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2025-01-20-090804-167946-1 -x c++ /var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp

/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp

→
1/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
3/* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7#include "WebrtcTCPSocketWrapper.h"
8
9#include "mozilla/net/WebrtcTCPSocketChild.h"
10
11#include "nsNetCID.h"
12#include "nsProxyRelease.h"
13#include "nsServiceManagerUtils.h"
14
15#include "nr_socket_proxy_config.h"
16
17namespace mozilla::net {
18
19using std::shared_ptr;
20
21WebrtcTCPSocketWrapper::WebrtcTCPSocketWrapper(
22 WebrtcTCPSocketCallback* aCallbacks)
23 : mProxyCallbacks(aCallbacks),
24 mWebrtcTCPSocket(nullptr),
25 mMainThread(nullptr),
26 mSocketThread(nullptr) {
27 mMainThread = GetMainThreadSerialEventTarget();
28 mSocketThread = do_GetService(NS_SOCKETTRANSPORTSERVICE_CONTRACTID"@mozilla.org/network/socket-transport-service;1");
29 MOZ_RELEASE_ASSERT(mMainThread, "no main thread")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mMainThread)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mMainThread))), 0))) { do { }
while (false); MOZ_ReportAssertionFailure("mMainThread" " ("
"no main thread" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 29); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "mMainThread"
") (" "no main thread" ")"); do { *((volatile int*)__null) =
29; __attribute__((nomerge)) ::abort(); } while (false); } }
while (false);
30 MOZ_RELEASE_ASSERT(mSocketThread, "no socket thread")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mSocketThread)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mSocketThread))), 0))) { do {
} while (false); MOZ_ReportAssertionFailure("mSocketThread" " ("
"no socket thread" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 30); AnnotateMozCrashReason("MOZ_RELEASE_ASSERT" "(" "mSocketThread"
") (" "no socket thread" ")"); do { *((volatile int*)__null)
= 30; __attribute__((nomerge)) ::abort(); } while (false); }
} while (false);
31}
32
33WebrtcTCPSocketWrapper::~WebrtcTCPSocketWrapper() {
34 MOZ_ASSERT(!mWebrtcTCPSocket, "webrtc TCP socket non-null")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(!mWebrtcTCPSocket)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(!mWebrtcTCPSocket))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("!mWebrtcTCPSocket"
" (" "webrtc TCP socket non-null" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 34); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mWebrtcTCPSocket"
") (" "webrtc TCP socket non-null" ")"); do { *((volatile int
*)__null) = 34; __attribute__((nomerge)) ::abort(); } while (
false); } } while (false);
35
36 // If we're never opened then we never get an OnClose from our parent process.
37 // We need to release our callbacks here safely.
38 NS_ProxyRelease("WebrtcTCPSocketWrapper::CleanUpCallbacks", mSocketThread,
39 mProxyCallbacks.forget());
40}
41
42void WebrtcTCPSocketWrapper::AsyncOpen(
43 const nsCString& aHost, const int& aPort, const nsCString& aLocalAddress,
44 const int& aLocalPort, bool aUseTls,
45 const shared_ptr<NrSocketProxyConfig>& aConfig) {
46 if (!NS_IsMainThread()) {
47 MOZ_ALWAYS_SUCCEEDS(mMainThread->Dispatch(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
48 NewRunnableMethod<const nsCString, const int, const nsCString,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
49 const int, bool,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
50 const shared_ptr<NrSocketProxyConfig>>(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
51 "WebrtcTCPSocketWrapper::AsyncOpen", this,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
52 &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
53 aLocalPort, aUseTls, aConfig)))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod<const nsCString
, const int, const nsCString, const int, bool, const shared_ptr
<NrSocketProxyConfig>>( "WebrtcTCPSocketWrapper::AsyncOpen"
, this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort,
aLocalAddress, aLocalPort, aUseTls, aConfig)))), 1)))), 1)))
{ } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 53); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod<const nsCString, const int, const nsCString, const int, bool, const shared_ptr<NrSocketProxyConfig>>( \"WebrtcTCPSocketWrapper::AsyncOpen\", this, &WebrtcTCPSocketWrapper::AsyncOpen, aHost, aPort, aLocalAddress, aLocalPort, aUseTls, aConfig)))"
")"); do { *((volatile int*)__null) = 53; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
);
54 return;
55 }
56
57 MOZ_ASSERT(!mWebrtcTCPSocket, "wrapper already open")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(!mWebrtcTCPSocket)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(!mWebrtcTCPSocket))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("!mWebrtcTCPSocket"
" (" "wrapper already open" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 57); AnnotateMozCrashReason("MOZ_ASSERT" "(" "!mWebrtcTCPSocket"
") (" "wrapper already open" ")"); do { *((volatile int*)__null
) = 57; __attribute__((nomerge)) ::abort(); } while (false); }
} while (false);
58 mWebrtcTCPSocket = new WebrtcTCPSocketChild(this);
59 mWebrtcTCPSocket->AsyncOpen(aHost, aPort, aLocalAddress, aLocalPort, aUseTls,
60 aConfig);
61}
62
63void WebrtcTCPSocketWrapper::SendWrite(nsTArray<uint8_t>&& aReadData) {
64 if (!NS_IsMainThread()) {
65 MOZ_ALWAYS_SUCCEEDS(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t
>&&>( "WebrtcTCPSocketWrapper::SendWrite", this
, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData
))))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 68); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 68; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
66 mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t
>&&>( "WebrtcTCPSocketWrapper::SendWrite", this
, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData
))))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 68); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 68; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
67 "WebrtcTCPSocketWrapper::SendWrite", this,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t
>&&>( "WebrtcTCPSocketWrapper::SendWrite", this
, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData
))))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 68); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 68; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
68 &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t
>&&>( "WebrtcTCPSocketWrapper::SendWrite", this
, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData
))))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 68); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::SendWrite\", this, &WebrtcTCPSocketWrapper::SendWrite, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 68; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
);
69 return;
70 }
71
72 MOZ_ASSERT(mWebrtcTCPSocket, "webrtc TCP socket should be non-null")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mWebrtcTCPSocket)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mWebrtcTCPSocket))), 0))) { do
{ } while (false); MOZ_ReportAssertionFailure("mWebrtcTCPSocket"
" (" "webrtc TCP socket should be non-null" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 72); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mWebrtcTCPSocket"
") (" "webrtc TCP socket should be non-null" ")"); do { *((volatile
int*)__null) = 72; __attribute__((nomerge)) ::abort(); } while
(false); } } while (false);
73 mWebrtcTCPSocket->SendWrite(aReadData);
74}
75
76void WebrtcTCPSocketWrapper::Close() {
77 if (!NS_IsMainThread()) {
1
Assuming the condition is false
→
2
←
Taking false branch
→
78 MOZ_ALWAYS_SUCCEEDS(mMainThread->Dispatch(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod("WebrtcTCPSocketWrapper::Close"
, this, &WebrtcTCPSocketWrapper::Close)))), 1)))), 1))) {
} else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod(\"WebrtcTCPSocketWrapper::Close\", this, &WebrtcTCPSocketWrapper::Close)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 80); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod(\"WebrtcTCPSocketWrapper::Close\", this, &WebrtcTCPSocketWrapper::Close)))"
")"); do { *((volatile int*)__null) = 80; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
79 NewRunnableMethod("WebrtcTCPSocketWrapper::Close", this,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod("WebrtcTCPSocketWrapper::Close"
, this, &WebrtcTCPSocketWrapper::Close)))), 1)))), 1))) {
} else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod(\"WebrtcTCPSocketWrapper::Close\", this, &WebrtcTCPSocketWrapper::Close)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 80); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod(\"WebrtcTCPSocketWrapper::Close\", this, &WebrtcTCPSocketWrapper::Close)))"
")"); do { *((volatile int*)__null) = 80; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
80 &WebrtcTCPSocketWrapper::Close)))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mMainThread->Dispatch( NewRunnableMethod("WebrtcTCPSocketWrapper::Close"
, this, &WebrtcTCPSocketWrapper::Close)))), 1)))), 1))) {
} else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod(\"WebrtcTCPSocketWrapper::Close\", this, &WebrtcTCPSocketWrapper::Close)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 80); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mMainThread->Dispatch( NewRunnableMethod(\"WebrtcTCPSocketWrapper::Close\", this, &WebrtcTCPSocketWrapper::Close)))"
")"); do { *((volatile int*)__null) = 80; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
);
81 return;
82 }
83
84 // We're only open if we have a channel. Also Close() should be idempotent.
85 if (mWebrtcTCPSocket) {
3
←
Calling 'RefPtr::operator bool'
→
5
←
Returning from 'RefPtr::operator bool'
→
6
←
Taking true branch
→
86 RefPtr<WebrtcTCPSocketChild> child = mWebrtcTCPSocket;
87 mWebrtcTCPSocket = nullptr;
7
←
Calling 'RefPtr::operator='
→
24
←
Returning; memory was released
→
88 child->SendClose();
25
←
Calling 'RefPtr::operator->'
→
89 }
90}
91
92void WebrtcTCPSocketWrapper::OnClose(nsresult aReason) {
93 MOZ_ASSERT(NS_IsMainThread(), "not on main thread")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(NS_IsMainThread())>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()"
" (" "not on main thread" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 93); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()"
") (" "not on main thread" ")"); do { *((volatile int*)__null
) = 93; __attribute__((nomerge)) ::abort(); } while (false); }
} while (false);
94 MOZ_ASSERT(mProxyCallbacks, "webrtc TCP callbacks should be non-null")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mProxyCallbacks)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mProxyCallbacks))), 0))) { do
{ } while (false); MOZ_ReportAssertionFailure("mProxyCallbacks"
" (" "webrtc TCP callbacks should be non-null" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 94); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mProxyCallbacks"
") (" "webrtc TCP callbacks should be non-null" ")"); do { *
((volatile int*)__null) = 94; __attribute__((nomerge)) ::abort
(); } while (false); } } while (false);
95
96 MOZ_ALWAYS_SUCCEEDS(mSocketThread->Dispatch(NewRunnableMethod<nsresult>(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsresult>
( "WebrtcTCPSocketWrapper::OnClose", mProxyCallbacks, &WebrtcTCPSocketCallback
::OnClose, aReason)))), 1)))), 1))) { } else { do { do { } while
(false); MOZ_ReportCrash("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsresult>( \"WebrtcTCPSocketWrapper::OnClose\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnClose, aReason)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 98); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsresult>( \"WebrtcTCPSocketWrapper::OnClose\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnClose, aReason)))"
")"); do { *((volatile int*)__null) = 98; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
97 "WebrtcTCPSocketWrapper::OnClose", mProxyCallbacks,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsresult>
( "WebrtcTCPSocketWrapper::OnClose", mProxyCallbacks, &WebrtcTCPSocketCallback
::OnClose, aReason)))), 1)))), 1))) { } else { do { do { } while
(false); MOZ_ReportCrash("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsresult>( \"WebrtcTCPSocketWrapper::OnClose\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnClose, aReason)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 98); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsresult>( \"WebrtcTCPSocketWrapper::OnClose\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnClose, aReason)))"
")"); do { *((volatile int*)__null) = 98; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
98 &WebrtcTCPSocketCallback::OnClose, aReason)))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsresult>
( "WebrtcTCPSocketWrapper::OnClose", mProxyCallbacks, &WebrtcTCPSocketCallback
::OnClose, aReason)))), 1)))), 1))) { } else { do { do { } while
(false); MOZ_ReportCrash("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsresult>( \"WebrtcTCPSocketWrapper::OnClose\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnClose, aReason)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 98); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsresult>( \"WebrtcTCPSocketWrapper::OnClose\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnClose, aReason)))"
")"); do { *((volatile int*)__null) = 98; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
);
99
100 NS_ProxyRelease("WebrtcTCPSocketWrapper::CleanUpCallbacks", mSocketThread,
101 mProxyCallbacks.forget());
102}
103
104void WebrtcTCPSocketWrapper::OnRead(nsTArray<uint8_t>&& aReadData) {
105 MOZ_ASSERT(NS_IsMainThread(), "not on main thread")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(NS_IsMainThread())>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()"
" (" "not on main thread" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 105); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()"
") (" "not on main thread" ")"); do { *((volatile int*)__null
) = 105; __attribute__((nomerge)) ::abort(); } while (false);
} } while (false);
106 MOZ_ASSERT(mProxyCallbacks, "webrtc TCP callbacks should be non-null")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mProxyCallbacks)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mProxyCallbacks))), 0))) { do
{ } while (false); MOZ_ReportAssertionFailure("mProxyCallbacks"
" (" "webrtc TCP callbacks should be non-null" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 106); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mProxyCallbacks"
") (" "webrtc TCP callbacks should be non-null" ")"); do { *
((volatile int*)__null) = 106; __attribute__((nomerge)) ::abort
(); } while (false); } } while (false);
107
108 MOZ_ALWAYS_SUCCEEDS(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<
uint8_t>&&>( "WebrtcTCPSocketWrapper::OnRead", mProxyCallbacks
, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))
))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 111); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 111; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
109 mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<
uint8_t>&&>( "WebrtcTCPSocketWrapper::OnRead", mProxyCallbacks
, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))
))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 111); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 111; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
110 "WebrtcTCPSocketWrapper::OnRead", mProxyCallbacks,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<
uint8_t>&&>( "WebrtcTCPSocketWrapper::OnRead", mProxyCallbacks
, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))
))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 111); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 111; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
111 &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<
uint8_t>&&>( "WebrtcTCPSocketWrapper::OnRead", mProxyCallbacks
, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))
))), 1)))), 1))) { } else { do { do { } while (false); MOZ_ReportCrash
("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 111); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsTArray<uint8_t>&&>( \"WebrtcTCPSocketWrapper::OnRead\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnRead, std::move(aReadData))))"
")"); do { *((volatile int*)__null) = 111; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
);
112}
113
114void WebrtcTCPSocketWrapper::OnConnected(const nsACString& aProxyType) {
115 MOZ_ASSERT(NS_IsMainThread(), "not on main thread")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(NS_IsMainThread())>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(NS_IsMainThread()))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("NS_IsMainThread()"
" (" "not on main thread" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 115); AnnotateMozCrashReason("MOZ_ASSERT" "(" "NS_IsMainThread()"
") (" "not on main thread" ")"); do { *((volatile int*)__null
) = 115; __attribute__((nomerge)) ::abort(); } while (false);
} } while (false);
116 MOZ_ASSERT(mProxyCallbacks, "webrtc TCP callbacks should be non-null")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mProxyCallbacks)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mProxyCallbacks))), 0))) { do
{ } while (false); MOZ_ReportAssertionFailure("mProxyCallbacks"
" (" "webrtc TCP callbacks should be non-null" ")", "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 116); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mProxyCallbacks"
") (" "webrtc TCP callbacks should be non-null" ")"); do { *
((volatile int*)__null) = 116; __attribute__((nomerge)) ::abort
(); } while (false); } } while (false);
117
118 MOZ_ALWAYS_SUCCEEDS(mSocketThread->Dispatch(NewRunnableMethod<nsCString>(do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsCString>
( "WebrtcTCPSocketWrapper::OnConnected", mProxyCallbacks, &
WebrtcTCPSocketCallback::OnConnected, aProxyType)))), 1)))), 1
))) { } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsCString>( \"WebrtcTCPSocketWrapper::OnConnected\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnConnected, aProxyType)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 120); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsCString>( \"WebrtcTCPSocketWrapper::OnConnected\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnConnected, aProxyType)))"
")"); do { *((volatile int*)__null) = 120; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
119 "WebrtcTCPSocketWrapper::OnConnected", mProxyCallbacks,do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsCString>
( "WebrtcTCPSocketWrapper::OnConnected", mProxyCallbacks, &
WebrtcTCPSocketCallback::OnConnected, aProxyType)))), 1)))), 1
))) { } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsCString>( \"WebrtcTCPSocketWrapper::OnConnected\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnConnected, aProxyType)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 120); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsCString>( \"WebrtcTCPSocketWrapper::OnConnected\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnConnected, aProxyType)))"
")"); do { *((volatile int*)__null) = 120; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
)
120 &WebrtcTCPSocketCallback::OnConnected, aProxyType)))do { if ((__builtin_expect(!!(((bool)(__builtin_expect(!!(!NS_FAILED_impl
(mSocketThread->Dispatch(NewRunnableMethod<nsCString>
( "WebrtcTCPSocketWrapper::OnConnected", mProxyCallbacks, &
WebrtcTCPSocketCallback::OnConnected, aProxyType)))), 1)))), 1
))) { } else { do { do { } while (false); MOZ_ReportCrash("" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsCString>( \"WebrtcTCPSocketWrapper::OnConnected\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnConnected, aProxyType)))"
, "/var/lib/jenkins/workspace/firefox-scan-build/dom/media/webrtc/transport/WebrtcTCPSocketWrapper.cpp"
, 120); AnnotateMozCrashReason("MOZ_CRASH(" "NS_SUCCEEDED(mSocketThread->Dispatch(NewRunnableMethod<nsCString>( \"WebrtcTCPSocketWrapper::OnConnected\", mProxyCallbacks, &WebrtcTCPSocketCallback::OnConnected, aProxyType)))"
")"); do { *((volatile int*)__null) = 120; __attribute__((nomerge
)) ::abort(); } while (false); } while (false); } } while (false
);
121}
122
123} // namespace mozilla::net
←

/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h

→
1/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/* vim: set ts=8 sts=2 et sw=2 tw=80: */
3/* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7#ifndef mozilla_RefPtr_h
8#define mozilla_RefPtr_h
9
10#include "mozilla/AlreadyAddRefed.h"
11#include "mozilla/Assertions.h"
12#include "mozilla/Attributes.h"
13#include "mozilla/DbgMacro.h"
14
15#include <type_traits>
16
17/*****************************************************************************/
18
19// template <class T> class RefPtrGetterAddRefs;
20
21class nsQueryReferent;
22class nsCOMPtr_helper;
23class nsISupports;
24
25namespace mozilla {
26template <class T>
27class MovingNotNull;
28template <class T>
29class NotNull;
30template <class T>
31class OwningNonNull;
32template <class T>
33class StaticLocalRefPtr;
34template <class T>
35class StaticRefPtr;
36
37// Traditionally, RefPtr supports automatic refcounting of any pointer type
38// with AddRef() and Release() methods that follow the traditional semantics.
39//
40// This traits class can be specialized to operate on other pointer types. For
41// example, we specialize this trait for opaque FFI types that represent
42// refcounted objects in Rust.
43//
44// Given the use of ConstRemovingRefPtrTraits below, U should not be a const-
45// qualified type.
46template <class U>
47struct RefPtrTraits {
48 static void AddRef(U* aPtr) { aPtr->AddRef(); }
49 static void Release(U* aPtr) { aPtr->Release(); }
12
←
Calling 'WebrtcTCPSocketChild::Release'
→
20
←
Returning; memory was released
→
50};
51
52} // namespace mozilla
53
54template <class T>
55class MOZ_IS_REFPTR RefPtr {
56 private:
57 void assign_with_AddRef(T* aRawPtr) {
58 if (aRawPtr) {
59 ConstRemovingRefPtrTraits<T>::AddRef(aRawPtr);
60 }
61 assign_assuming_AddRef(aRawPtr);
62 }
63
64 void assign_assuming_AddRef(T* aNewPtr) {
65 T* oldPtr = mRawPtr;
66 mRawPtr = aNewPtr;
67 if (oldPtr
8.1
'oldPtr' is non-null
8.1
'oldPtr' is non-null
8.1
'oldPtr' is non-null
8.1
'oldPtr' is non-null
) {
9
←
Taking true branch
→
68 ConstRemovingRefPtrTraits<T>::Release(oldPtr);
10
←
Calling 'ConstRemovingRefPtrTraits::Release'
→
22
←
Returning; memory was released via 1st parameter
→
69 }
70 }
71
72 private:
73 T* MOZ_OWNING_REF mRawPtr;
74
75 public:
76 typedef T element_type;
77
78 ~RefPtr() {
79 if (mRawPtr) {
80 ConstRemovingRefPtrTraits<T>::Release(mRawPtr);
81 }
82 }
83
84 // Constructors
85
86 RefPtr()
87 : mRawPtr(nullptr)
88 // default constructor
89 {}
90
91 RefPtr(const RefPtr<T>& aSmartPtr)
92 : mRawPtr(aSmartPtr.mRawPtr)
93 // copy-constructor
94 {
95 if (mRawPtr) {
96 ConstRemovingRefPtrTraits<T>::AddRef(mRawPtr);
97 }
98 }
99
100 RefPtr(RefPtr<T>&& aRefPtr) noexcept : mRawPtr(aRefPtr.mRawPtr) {
101 aRefPtr.mRawPtr = nullptr;
102 }
103
104 // construct from a raw pointer (of the right type)
105
106 MOZ_IMPLICIT RefPtr(T* aRawPtr) : mRawPtr(aRawPtr) {
107 if (mRawPtr) {
108 ConstRemovingRefPtrTraits<T>::AddRef(mRawPtr);
109 }
110 }
111
112 MOZ_IMPLICIT RefPtr(decltype(nullptr)) : mRawPtr(nullptr) {}
113
114 template <typename I,
115 typename = std::enable_if_t<std::is_convertible_v<I*, T*>>>
116 MOZ_IMPLICIT RefPtr(already_AddRefed<I>& aSmartPtr)
117 : mRawPtr(aSmartPtr.take())
118 // construct from |already_AddRefed|
119 {}
120
121 template <typename I,
122 typename = std::enable_if_t<std::is_convertible_v<I*, T*>>>
123 MOZ_IMPLICIT RefPtr(already_AddRefed<I>&& aSmartPtr)
124 : mRawPtr(aSmartPtr.take())
125 // construct from |otherRefPtr.forget()|
126 {}
127
128 template <typename I,
129 typename = std::enable_if_t<std::is_convertible_v<I*, T*>>>
130 MOZ_IMPLICIT RefPtr(const RefPtr<I>& aSmartPtr)
131 : mRawPtr(aSmartPtr.get())
132 // copy-construct from a smart pointer with a related pointer type
133 {
134 if (mRawPtr) {
135 ConstRemovingRefPtrTraits<T>::AddRef(mRawPtr);
136 }
137 }
138
139 template <typename I,
140 typename = std::enable_if_t<std::is_convertible_v<I*, T*>>>
141 MOZ_IMPLICIT RefPtr(RefPtr<I>&& aSmartPtr)
142 : mRawPtr(aSmartPtr.forget().take())
143 // construct from |Move(RefPtr<SomeSubclassOfT>)|.
144 {}
145
146 template <typename I,
147 typename = std::enable_if_t<!std::is_same_v<I, RefPtr<T>> &&
148 std::is_convertible_v<I, RefPtr<T>>>>
149 MOZ_IMPLICIT RefPtr(const mozilla::NotNull<I>& aSmartPtr)
150 : mRawPtr(RefPtr<T>(aSmartPtr.get()).forget().take())
151 // construct from |mozilla::NotNull|.
152 {}
153
154 template <typename I,
155 typename = std::enable_if_t<!std::is_same_v<I, RefPtr<T>> &&
156 std::is_convertible_v<I, RefPtr<T>>>>
157 MOZ_IMPLICIT RefPtr(mozilla::MovingNotNull<I>&& aSmartPtr)
158 : mRawPtr(RefPtr<T>(std::move(aSmartPtr).unwrapBasePtr()).forget().take())
159 // construct from |mozilla::MovingNotNull|.
160 {}
161
162 MOZ_IMPLICIT RefPtr(const nsQueryReferent& aHelper);
163 MOZ_IMPLICIT RefPtr(const nsCOMPtr_helper& aHelper);
164
165 // Defined in OwningNonNull.h
166 template <class U>
167 MOZ_IMPLICIT RefPtr(const mozilla::OwningNonNull<U>& aOther);
168
169 // Defined in StaticLocalPtr.h
170 template <class U>
171 MOZ_IMPLICIT RefPtr(const mozilla::StaticLocalRefPtr<U>& aOther);
172
173 // Defined in StaticPtr.h
174 template <class U>
175 MOZ_IMPLICIT RefPtr(const mozilla::StaticRefPtr<U>& aOther);
176
177 // Assignment operators
178
179 RefPtr<T>& operator=(decltype(nullptr)) {
180 assign_assuming_AddRef(nullptr);
8
←
Calling 'RefPtr::assign_assuming_AddRef'
→
23
←
Returning; memory was released
→
181 return *this;
182 }
183
184 RefPtr<T>& operator=(const RefPtr<T>& aRhs)
185 // copy assignment operator
186 {
187 assign_with_AddRef(aRhs.mRawPtr);
188 return *this;
189 }
190
191 template <typename I>
192 RefPtr<T>& operator=(const RefPtr<I>& aRhs)
193 // assign from an RefPtr of a related pointer type
194 {
195 assign_with_AddRef(aRhs.get());
196 return *this;
197 }
198
199 RefPtr<T>& operator=(T* aRhs)
200 // assign from a raw pointer (of the right type)
201 {
202 assign_with_AddRef(aRhs);
203 return *this;
204 }
205
206 template <typename I>
207 RefPtr<T>& operator=(already_AddRefed<I>& aRhs)
208 // assign from |already_AddRefed|
209 {
210 assign_assuming_AddRef(aRhs.take());
211 return *this;
212 }
213
214 template <typename I>
215 RefPtr<T>& operator=(already_AddRefed<I>&& aRhs)
216 // assign from |otherRefPtr.forget()|
217 {
218 assign_assuming_AddRef(aRhs.take());
219 return *this;
220 }
221
222 RefPtr<T>& operator=(const nsQueryReferent& aQueryReferent);
223 RefPtr<T>& operator=(const nsCOMPtr_helper& aHelper);
224
225 template <typename I,
226 typename = std::enable_if_t<std::is_convertible_v<I*, T*>>>
227 RefPtr<T>& operator=(RefPtr<I>&& aRefPtr) noexcept {
228 assign_assuming_AddRef(aRefPtr.forget().take());
229 return *this;
230 }
231
232 template <typename I,
233 typename = std::enable_if_t<std::is_convertible_v<I, RefPtr<T>>>>
234 RefPtr<T>& operator=(const mozilla::NotNull<I>& aSmartPtr)
235 // assign from |mozilla::NotNull|.
236 {
237 assign_assuming_AddRef(RefPtr<T>(aSmartPtr.get()).forget().take());
238 return *this;
239 }
240
241 template <typename I,
242 typename = std::enable_if_t<std::is_convertible_v<I, RefPtr<T>>>>
243 RefPtr<T>& operator=(mozilla::MovingNotNull<I>&& aSmartPtr)
244 // assign from |mozilla::MovingNotNull|.
245 {
246 assign_assuming_AddRef(
247 RefPtr<T>(std::move(aSmartPtr).unwrapBasePtr()).forget().take());
248 return *this;
249 }
250
251 // Defined in OwningNonNull.h
252 template <class U>
253 RefPtr<T>& operator=(const mozilla::OwningNonNull<U>& aOther);
254
255 // Defined in StaticLocalPtr.h
256 template <class U>
257 RefPtr<T>& operator=(const mozilla::StaticLocalRefPtr<U>& aOther);
258
259 // Defined in StaticPtr.h
260 template <class U>
261 RefPtr<T>& operator=(const mozilla::StaticRefPtr<U>& aOther);
262
263 // Other pointer operators
264
265 void swap(RefPtr<T>& aRhs)
266 // ...exchange ownership with |aRhs|; can save a pair of refcount operations
267 {
268 T* temp = aRhs.mRawPtr;
269 aRhs.mRawPtr = mRawPtr;
270 mRawPtr = temp;
271 }
272
273 void swap(T*& aRhs)
274 // ...exchange ownership with |aRhs|; can save a pair of refcount operations
275 {
276 T* temp = aRhs;
277 aRhs = mRawPtr;
278 mRawPtr = temp;
279 }
280
281 already_AddRefed<T> MOZ_MAY_CALL_AFTER_MUST_RETURN forget()
282 // return the value of mRawPtr and null out mRawPtr. Useful for
283 // already_AddRefed return values.
284 {
285 T* temp = nullptr;
286 swap(temp);
287 return already_AddRefed<T>(temp);
288 }
289
290 template <typename I>
291 void forget(I** aRhs)
292 // Set the target of aRhs to the value of mRawPtr and null out mRawPtr.
293 // Useful to avoid unnecessary AddRef/Release pairs with "out"
294 // parameters where aRhs bay be a T** or an I** where I is a base class
295 // of T.
296 {
297 MOZ_ASSERT(aRhs, "Null pointer passed to forget!")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(aRhs)>::isValid, "invalid assertion condition"); if
((__builtin_expect(!!(!(!!(aRhs))), 0))) { do { } while (false
); MOZ_ReportAssertionFailure("aRhs" " (" "Null pointer passed to forget!"
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 297); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aRhs" ") (" "Null pointer passed to forget!"
")"); do { *((volatile int*)__null) = 297; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false);
298 *aRhs = mRawPtr;
299 mRawPtr = nullptr;
300 }
301
302 void forget(nsISupports** aRhs) {
303 MOZ_ASSERT(aRhs, "Null pointer passed to forget!")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(aRhs)>::isValid, "invalid assertion condition"); if
((__builtin_expect(!!(!(!!(aRhs))), 0))) { do { } while (false
); MOZ_ReportAssertionFailure("aRhs" " (" "Null pointer passed to forget!"
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 303); AnnotateMozCrashReason("MOZ_ASSERT" "(" "aRhs" ") (" "Null pointer passed to forget!"
")"); do { *((volatile int*)__null) = 303; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false);
304 *aRhs = ToSupports(mRawPtr);
305 mRawPtr = nullptr;
306 }
307
308 T* get() const
309 /*
310 Prefer the implicit conversion provided automatically by |operator T*()
311 const|. Use |get()| to resolve ambiguity or to get a castable pointer.
312 */
313 {
314 return const_cast<T*>(mRawPtr);
29
←
Use of memory after it is freed
315 }
316
317 operator T*() const&
318 /*
319 ...makes an |RefPtr| act like its underlying raw pointer type whenever it
320 is used in a context where a raw pointer is expected. It is this operator
321 that makes an |RefPtr| substitutable for a raw pointer.
322
323 Prefer the implicit use of this operator to calling |get()|, except where
324 necessary to resolve ambiguity.
325 */
326 {
327 return get();
328 }
329
330 // Don't allow implicit conversion of temporary RefPtr to raw pointer,
331 // because the refcount might be one and the pointer will immediately become
332 // invalid.
333 operator T*() const&& = delete;
334
335 // These are needed to avoid the deleted operator above. XXX Why is operator!
336 // needed separately? Shouldn't the compiler prefer using the non-deleted
337 // operator bool instead of the deleted operator T*?
338 explicit operator bool() const { return !!mRawPtr; }
4
←
Assuming field 'mRawPtr' is non-null
→
339 bool operator!() const { return !mRawPtr; }
340
341 T* operator->() const MOZ_NO_ADDREF_RELEASE_ON_RETURN {
342 MOZ_ASSERT(mRawPtr != nullptr,do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mRawPtr != nullptr)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mRawPtr != nullptr))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("mRawPtr != nullptr"
" (" "You can't dereference a NULL RefPtr with operator->()."
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 343); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRawPtr != nullptr"
") (" "You can't dereference a NULL RefPtr with operator->()."
")"); do { *((volatile int*)__null) = 343; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false)
26
←
Taking false branch
→
27
←
Loop condition is false. Exiting loop
→
343 "You can't dereference a NULL RefPtr with operator->().")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mRawPtr != nullptr)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mRawPtr != nullptr))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("mRawPtr != nullptr"
" (" "You can't dereference a NULL RefPtr with operator->()."
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 343); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRawPtr != nullptr"
") (" "You can't dereference a NULL RefPtr with operator->()."
")"); do { *((volatile int*)__null) = 343; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false);
344 return get();
28
←
Calling 'RefPtr::get'
→
345 }
346
347 template <typename R, typename... Args>
348 class Proxy {
349 typedef R (T::*member_function)(Args...);
350 T* mRawPtr;
351 member_function mFunction;
352
353 public:
354 Proxy(T* aRawPtr, member_function aFunction)
355 : mRawPtr(aRawPtr), mFunction(aFunction) {}
356 template <typename... ActualArgs>
357 R operator()(ActualArgs&&... aArgs) {
358 return ((*mRawPtr).*mFunction)(std::forward<ActualArgs>(aArgs)...);
359 }
360 };
361
362 template <typename R, typename... Args>
363 Proxy<R, Args...> operator->*(R (T::*aFptr)(Args...)) const {
364 MOZ_ASSERT(mRawPtr != nullptr,do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mRawPtr != nullptr)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mRawPtr != nullptr))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("mRawPtr != nullptr"
" (" "You can't dereference a NULL RefPtr with operator->*()."
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 365); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRawPtr != nullptr"
") (" "You can't dereference a NULL RefPtr with operator->*()."
")"); do { *((volatile int*)__null) = 365; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false)
365 "You can't dereference a NULL RefPtr with operator->*().")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mRawPtr != nullptr)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mRawPtr != nullptr))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("mRawPtr != nullptr"
" (" "You can't dereference a NULL RefPtr with operator->*()."
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 365); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRawPtr != nullptr"
") (" "You can't dereference a NULL RefPtr with operator->*()."
")"); do { *((volatile int*)__null) = 365; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false);
366 return Proxy<R, Args...>(get(), aFptr);
367 }
368
369 RefPtr<T>* get_address()
370 // This is not intended to be used by clients. See |address_of|
371 // below.
372 {
373 return this;
374 }
375
376 const RefPtr<T>* get_address() const
377 // This is not intended to be used by clients. See |address_of|
378 // below.
379 {
380 return this;
381 }
382
383 public:
384 T& operator*() const {
385 MOZ_ASSERT(mRawPtr != nullptr,do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mRawPtr != nullptr)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mRawPtr != nullptr))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("mRawPtr != nullptr"
" (" "You can't dereference a NULL RefPtr with operator*()."
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 386); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRawPtr != nullptr"
") (" "You can't dereference a NULL RefPtr with operator*()."
")"); do { *((volatile int*)__null) = 386; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false)
386 "You can't dereference a NULL RefPtr with operator*().")do { static_assert( mozilla::detail::AssertionConditionType<
decltype(mRawPtr != nullptr)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(mRawPtr != nullptr))), 0))) {
do { } while (false); MOZ_ReportAssertionFailure("mRawPtr != nullptr"
" (" "You can't dereference a NULL RefPtr with operator*()."
")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/RefPtr.h"
, 386); AnnotateMozCrashReason("MOZ_ASSERT" "(" "mRawPtr != nullptr"
") (" "You can't dereference a NULL RefPtr with operator*()."
")"); do { *((volatile int*)__null) = 386; __attribute__((nomerge
)) ::abort(); } while (false); } } while (false);
387 return *get();
388 }
389
390 T** StartAssignment() {
391 assign_assuming_AddRef(nullptr);
392 return reinterpret_cast<T**>(&mRawPtr);
393 }
394
395 private:
396 // This helper class makes |RefPtr<const T>| possible by casting away
397 // the constness from the pointer when calling AddRef() and Release().
398 //
399 // This is necessary because AddRef() and Release() implementations can't
400 // generally expected to be const themselves (without heavy use of |mutable|
401 // and |const_cast| in their own implementations).
402 //
403 // This should be sound because while |RefPtr<const T>| provides a
404 // const view of an object, the object itself should not be const (it
405 // would have to be allocated as |new const T| or similar to be const).
406 template <class U>
407 struct ConstRemovingRefPtrTraits {
408 static void AddRef(U* aPtr) { mozilla::RefPtrTraits<U>::AddRef(aPtr); }
409 static void Release(U* aPtr) { mozilla::RefPtrTraits<U>::Release(aPtr); }
11
←
Calling 'RefPtrTraits::Release'
→
21
←
Returning; memory was released via 1st parameter
→
410 };
411 template <class U>
412 struct ConstRemovingRefPtrTraits<const U> {
413 static void AddRef(const U* aPtr) {
414 mozilla::RefPtrTraits<U>::AddRef(const_cast<U*>(aPtr));
415 }
416 static void Release(const U* aPtr) {
417 mozilla::RefPtrTraits<U>::Release(const_cast<U*>(aPtr));
418 }
419 };
420};
421
422class nsCycleCollectionTraversalCallback;
423template <typename T>
424void CycleCollectionNoteChild(nsCycleCollectionTraversalCallback& aCallback,
425 T* aChild, const char* aName, uint32_t aFlags);
426
427template <typename T>
428inline void ImplCycleCollectionUnlink(RefPtr<T>& aField) {
429 aField = nullptr;
430}
431
432template <typename T>
433inline void ImplCycleCollectionTraverse(
434 nsCycleCollectionTraversalCallback& aCallback, const RefPtr<T>& aField,
435 const char* aName, uint32_t aFlags = 0) {
436 CycleCollectionNoteChild(aCallback, aField.get(), aName, aFlags);
437}
438
439template <class T>
440inline RefPtr<T>* address_of(RefPtr<T>& aPtr) {
441 return aPtr.get_address();
442}
443
444template <class T>
445inline const RefPtr<T>* address_of(const RefPtr<T>& aPtr) {
446 return aPtr.get_address();
447}
448
449template <class T>
450class RefPtrGetterAddRefs
451/*
452 ...
453
454 This class is designed to be used for anonymous temporary objects in the
455 argument list of calls that return COM interface pointers, e.g.,
456
457 RefPtr<IFoo> fooP;
458 ...->GetAddRefedPointer(getter_AddRefs(fooP))
459
460 DO NOT USE THIS TYPE DIRECTLY IN YOUR CODE. Use |getter_AddRefs()| instead.
461
462 When initialized with a |RefPtr|, as in the example above, it returns
463 a |void**|, a |T**|, or an |nsISupports**| as needed, that the
464 outer call (|GetAddRefedPointer| in this case) can fill in.
465
466 This type should be a nested class inside |RefPtr<T>|.
467*/
468{
469 public:
470 explicit RefPtrGetterAddRefs(RefPtr<T>& aSmartPtr)
471 : mTargetSmartPtr(aSmartPtr) {
472 // nothing else to do
473 }
474
475 operator void**() {
476 return reinterpret_cast<void**>(mTargetSmartPtr.StartAssignment());
477 }
478
479 operator T**() { return mTargetSmartPtr.StartAssignment(); }
480
481 T*& operator*() { return *(mTargetSmartPtr.StartAssignment()); }
482
483 private:
484 RefPtr<T>& mTargetSmartPtr;
485};
486
487template <class T>
488inline RefPtrGetterAddRefs<T> getter_AddRefs(RefPtr<T>& aSmartPtr)
489/*
490 Used around a |RefPtr| when
491 ...makes the class |RefPtrGetterAddRefs<T>| invisible.
492*/
493{
494 return RefPtrGetterAddRefs<T>(aSmartPtr);
495}
496
497// Comparing two |RefPtr|s
498
499template <class T, class U>
500inline bool operator==(const RefPtr<T>& aLhs, const RefPtr<U>& aRhs) {
501 return static_cast<const T*>(aLhs.get()) == static_cast<const U*>(aRhs.get());
502}
503
504template <class T, class U>
505inline bool operator!=(const RefPtr<T>& aLhs, const RefPtr<U>& aRhs) {
506 return static_cast<const T*>(aLhs.get()) != static_cast<const U*>(aRhs.get());
507}
508
509// Comparing an |RefPtr| to a raw pointer
510
511template <class T, class U>
512inline bool operator==(const RefPtr<T>& aLhs, const U* aRhs) {
513 return static_cast<const T*>(aLhs.get()) == static_cast<const U*>(aRhs);
514}
515
516template <class T, class U>
517inline bool operator==(const U* aLhs, const RefPtr<T>& aRhs) {
518 return static_cast<const U*>(aLhs) == static_cast<const T*>(aRhs.get());
519}
520
521template <class T, class U>
522inline bool operator!=(const RefPtr<T>& aLhs, const U* aRhs) {
523 return static_cast<const T*>(aLhs.get()) != static_cast<const U*>(aRhs);
524}
525
526template <class T, class U>
527inline bool operator!=(const U* aLhs, const RefPtr<T>& aRhs) {
528 return static_cast<const U*>(aLhs) != static_cast<const T*>(aRhs.get());
529}
530
531template <class T, class U>
532inline bool operator==(const RefPtr<T>& aLhs, U* aRhs) {
533 return static_cast<const T*>(aLhs.get()) == const_cast<const U*>(aRhs);
534}
535
536template <class T, class U>
537inline bool operator==(U* aLhs, const RefPtr<T>& aRhs) {
538 return const_cast<const U*>(aLhs) == static_cast<const T*>(aRhs.get());
539}
540
541template <class T, class U>
542inline bool operator!=(const RefPtr<T>& aLhs, U* aRhs) {
543 return static_cast<const T*>(aLhs.get()) != const_cast<const U*>(aRhs);
544}
545
546template <class T, class U>
547inline bool operator!=(U* aLhs, const RefPtr<T>& aRhs) {
548 return const_cast<const U*>(aLhs) != static_cast<const T*>(aRhs.get());
549}
550
551// Comparing an |RefPtr| to |nullptr|
552
553template <class T>
554inline bool operator==(const RefPtr<T>& aLhs, decltype(nullptr)) {
555 return aLhs.get() == nullptr;
556}
557
558template <class T>
559inline bool operator==(decltype(nullptr), const RefPtr<T>& aRhs) {
560 return nullptr == aRhs.get();
561}
562
563template <class T>
564inline bool operator!=(const RefPtr<T>& aLhs, decltype(nullptr)) {
565 return aLhs.get() != nullptr;
566}
567
568template <class T>
569inline bool operator!=(decltype(nullptr), const RefPtr<T>& aRhs) {
570 return nullptr != aRhs.get();
571}
572
573// MOZ_DBG support
574
575template <class T>
576std::ostream& operator<<(std::ostream& aOut, const RefPtr<T>& aObj) {
577 return mozilla::DebugValue(aOut, aObj.get());
578}
579
580/*****************************************************************************/
581
582template <class T>
583inline already_AddRefed<T> do_AddRef(T* aObj) {
584 RefPtr<T> ref(aObj);
585 return ref.forget();
586}
587
588template <class T>
589inline already_AddRefed<T> do_AddRef(const RefPtr<T>& aObj) {
590 RefPtr<T> ref(aObj);
591 return ref.forget();
592}
593
594namespace mozilla {
595
596template <typename T>
597class AlignmentFinder;
598
599// Provide a specialization of AlignmentFinder to allow MOZ_ALIGNOF(RefPtr<T>)
600// with an incomplete T.
601template <typename T>
602class AlignmentFinder<RefPtr<T>> {
603 public:
604 static const size_t alignment = alignof(T*);
605};
606
607/**
608 * Helper function to be able to conveniently write things like:
609 *
610 * already_AddRefed<T>
611 * f(...)
612 * {
613 * return MakeAndAddRef<T>(...);
614 * }
615 */
616template <typename T, typename... Args>
617already_AddRefed<T> MakeAndAddRef(Args&&... aArgs) {
618 RefPtr<T> p(new T(std::forward<Args>(aArgs)...));
619 return p.forget();
620}
621
622/**
623 * Helper function to be able to conveniently write things like:
624 *
625 * auto runnable =
626 * MakeRefPtr<ErrorCallbackRunnable<nsIDOMGetUserMediaSuccessCallback>>(
627 * mOnSuccess, mOnFailure, *error, mWindowID);
628 */
629template <typename T, typename... Args>
630RefPtr<T> MakeRefPtr(Args&&... aArgs) {
631 RefPtr<T> p(new T(std::forward<Args>(aArgs)...));
632 return p;
633}
634
635} // namespace mozilla
636
637/**
638 * Deduction guide to allow simple `RefPtr` definitions from an
639 * already_AddRefed<T> without repeating the type, e.g.:
640 *
641 * RefPtr ptr = MakeAndAddRef<SomeType>(...);
642 */
643template <typename T>
644RefPtr(already_AddRefed<T>) -> RefPtr<T>;
645
646#endif /* mozilla_RefPtr_h */
←

/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/net/WebrtcTCPSocketChild.h

→
1/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
3/* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7#ifndef mozilla_net_WebrtcTCPSocketChild_h
8#define mozilla_net_WebrtcTCPSocketChild_h
9
10#include "mozilla/net/PWebrtcTCPSocketChild.h"
11#include "mozilla/dom/ipc/IdType.h"
12#include "transport/nr_socket_proxy_config.h"
13
14namespace mozilla::net {
15
16class WebrtcTCPSocketCallback;
17
18class WebrtcTCPSocketChild : public PWebrtcTCPSocketChild {
19 public:
20 NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WebrtcTCPSocketChild)public: MozExternalRefCountType AddRef(void) { static_assert(
!std::is_destructible_v<WebrtcTCPSocketChild>, "Reference-counted class "
"WebrtcTCPSocketChild" " should not have a public destructor. "
"Make this class's destructor non-public"); do { static_assert
( mozilla::detail::AssertionConditionType<decltype(int32_t
(mRefCnt) >= 0)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) >= 0))),
0))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) >= 0"
" (" "illegal refcnt" ")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/net/WebrtcTCPSocketChild.h"
, 20); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) >= 0"
") (" "illegal refcnt" ")"); do { *((volatile int*)__null) =
20; __attribute__((nomerge)) ::abort(); } while (false); } }
while (false); nsrefcnt count = ++mRefCnt; NS_LogAddRef((this
), (count), ("WebrtcTCPSocketChild"), (uint32_t)(sizeof(*this
))); return (nsrefcnt)count; } MozExternalRefCountType Release
(void) { do { static_assert( mozilla::detail::AssertionConditionType
<decltype(int32_t(mRefCnt) > 0)>::isValid, "invalid assertion condition"
); if ((__builtin_expect(!!(!(!!(int32_t(mRefCnt) > 0))), 0
))) { do { } while (false); MOZ_ReportAssertionFailure("int32_t(mRefCnt) > 0"
" (" "dup release" ")", "/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/net/WebrtcTCPSocketChild.h"
, 20); AnnotateMozCrashReason("MOZ_ASSERT" "(" "int32_t(mRefCnt) > 0"
") (" "dup release" ")"); do { *((volatile int*)__null) = 20
; __attribute__((nomerge)) ::abort(); } while (false); } } while
(false); nsrefcnt count = --mRefCnt; NS_LogRelease((this), (
count), ("WebrtcTCPSocketChild")); if (count == 0) { delete (
this); return 0; } return count; } using HasThreadSafeRefCnt =
std::true_type; protected: ::mozilla::ThreadSafeAutoRefCnt mRefCnt
; public:
13
←
Assuming the condition is false
→
14
←
Taking false branch
→
15
←
Loop condition is false. Exiting loop
→
16
←
Taking true branch
→
17
←
Calling 'operator delete'
→
19
←
Returning from 'operator delete'
→
21
22 mozilla::ipc::IPCResult RecvOnClose(const nsresult& aReason) override;
23
24 mozilla::ipc::IPCResult RecvOnConnected(
25 const nsACString& aProxyType) override;
26
27 mozilla::ipc::IPCResult RecvOnRead(nsTArray<uint8_t>&& aReadData) override;
28
29 explicit WebrtcTCPSocketChild(WebrtcTCPSocketCallback* aProxyCallbacks);
30
31 void AsyncOpen(const nsACString& aHost, const int& aPort,
32 const nsACString& aLocalAddress, const int& aLocalPort,
33 bool aUseTls,
34 const std::shared_ptr<NrSocketProxyConfig>& aProxyConfig);
35
36 void AddIPDLReference() { AddRef(); }
37 void ReleaseIPDLReference() { Release(); }
38
39 protected:
40 virtual ~WebrtcTCPSocketChild();
41
42 RefPtr<WebrtcTCPSocketCallback> mProxyCallbacks;
43};
44
45} // namespace mozilla::net
46
47#endif // mozilla_net_WebrtcTCPSocketChild_h
←

/var/lib/jenkins/workspace/firefox-scan-build/obj-x86_64-pc-linux-gnu/dist/include/mozilla/cxxalloc.h

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5#ifndef mozilla_cxxalloc_h
6#define mozilla_cxxalloc_h
7
8/*
9 * We implement the default operators new/delete as part of
10 * libmozalloc, replacing their definitions in libstdc++. The
11 * operator new* definitions in libmozalloc will never return a NULL
12 * pointer.
13 *
14 * Each operator new immediately below returns a pointer to memory
15 * that can be delete'd by any of
16 *
17 * (1) the matching infallible operator delete immediately below
18 * (2) the matching system |operator delete(void*, std::nothrow)|
19 * (3) the matching system |operator delete(void*) noexcept(false)|
20 *
21 * NB: these are declared |noexcept(false)|, though they will never
22 * throw that exception. This declaration is consistent with the rule
23 * that |::operator new() noexcept(false)| will never return NULL.
24 *
25 * NB: mozilla::fallible can be used instead of std::nothrow.
26 */
27
28#ifndef MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline
29# define MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline MFBT_API__attribute__((weak)) __attribute__((visibility("default")))
30#endif
31
32MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void* operator new(size_t size) noexcept(false) {
33 return moz_xmalloc(size);
34}
35
36MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void* operator new(size_t size,
37 const std::nothrow_t&) noexcept(true) {
38 return malloc_implmalloc(size);
39}
40
41MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void* operator new[](size_t size) noexcept(false) {
42 return moz_xmalloc(size);
43}
44
45MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void* operator new[](size_t size,
46 const std::nothrow_t&) noexcept(true) {
47 return malloc_implmalloc(size);
48}
49
50MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void operator delete(void* ptr) noexcept(true) {
51 return free_implfree(ptr);
18
←
Memory is released
→
52}
53
54MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void operator delete(void* ptr,
55 const std::nothrow_t&) noexcept(true) {
56 return free_implfree(ptr);
57}
58
59MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void operator delete[](void* ptr) noexcept(true) {
60 return free_implfree(ptr);
61}
62
63MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void operator delete[](
64 void* ptr, const std::nothrow_t&) noexcept(true) {
65 return free_implfree(ptr);
66}
67
68#if defined(XP_WIN)
69// We provide the global sized delete overloads unconditionally because the
70// MSVC runtime headers do, despite compiling with /Zc:sizedDealloc-
71MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void operator delete(void* ptr,
72 size_t /*size*/) noexcept(true) {
73 return free_implfree(ptr);
74}
75
76MOZALLOC_EXPORT_NEW__attribute__((always_inline)) inline void operator delete[](void* ptr,
77 size_t /*size*/) noexcept(true) {
78 return free_implfree(ptr);
79}
80#endif
81
82#endif /* mozilla_cxxalloc_h */