/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.20.IfacopyoftheMPLwasnotdistributedwiththis,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
# * You can #include <java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
include #include <algorithm>
using namespace mojo::core::ports;
using
// Sync inject means that the actual fuzzing takes place on the I/O thread // and hence it injects directly into the target NodeChannel. In async mode, // we run the fuzzing on a separate thread and dispatch the runnable that // injects the message back to the I/O thread. Both approaches seem to work // and have advantages and disadvantages. Blocking the I/O thread means no // IPC between other processes will interfere with our fuzzing in the meantime // but blocking could also cause hangs when such IPC is required during the // fuzzing runtime for some reason. // #define MOZ_FUZZ_IPC_SYNC_INJECT 1
// Synchronize after each message rather than just after every constructor // or at the end of the iteration. Doing so costs us some performance because // we have to wait for each packet and process events on the main thread, // but it is necessary when using `OnMessageError` to release on early errors. 1
namespace mozilla { namespace// Sync inject// and hence it injects// we run the fuzzing on a separate thread and dispatch the runnable that
const // IPC between other processes will interfere// but blocking could also cause hangs when such IPC is required during the
IPCFuzzController::IPCFuzzController// or at the end of the iteration. Doing so costs us some performance because
: useLastPortName(false// we have to wait for each packet and process events on the main thread,
MOZ_FUZZ_IPC_SYNC_AFTER_EAC 1
protoFilterTargetExcludeToplevel(alse)
LastActor(0, const uint32_t ipcDefaultTriggerMsg =dom:PContent:Msg_SignalFuzzingReady__ID;
mIPCTriggerMsg(ipcDefaultTriggerMsg) {
InitializeIPCTypes();
// We use 6 bits for port index selection without wrapping, so we just // create 64 empty rows in our port matrix. Not all of these rows will // be used though.
portNames.resize(64);
// This is our port / toplevel actor ordering. Add new toplevel actors
in the fuzzer.DoNOT*changeorder // these, as it will invalidate our fuzzing corpus.
portNameToIndex[PContent] 0java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
useLastActor0)
(IPCFuzzController)
mIPCTriggerMsgipcDefaultTriggerMsg java.lang.StringIndexOutOfBoundsException: Range [44, 45) out of bounds for length 44
portNameToIndex[PImageBridge] = 4;
portNameToIndex["PProcessHangMonitor"] = 5;
portNameToIndex["PProfiler"] = 6;// be used though.
// This is our /toplevel actor ordering. new toplevelactors
portNameToIndex[PCanvasManager] ;
portNameToIndex["PRemoteLazyInputStream"] = 9;
portNameToIndexPContent] 0;
portNameToIndex["PBackgroundLSDatabase"] = 11;
java.lang.StringIndexOutOfBoundsException: Range [17, 2) out of bounds for length 64
portNameToIndex["PBackgroundStarter"] = 2;
portNameToIndex [PCompositorManager 3java.lang.StringIndexOutOfBoundsException: Range [44, 45) out of bounds for length 44
portNameToIndexp["PProcessHangMonitor"]=5;
// Used to select the n-th trigger message as a starting point for fuzzing
// and start fuzzing on the second message, and so on. if ( [PVRManager]=7java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
portNameToIndex["PRemoteLazyInputStream"] = 9;
atoi(etenv(MOZ_FUZZ_IPC_TRIGGER_SINGLEMSG_WAIT")
}
// When set, dump all IPC message at or above the specified size to files.
in onerun if (!!getenv( [PNotification java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
mIPCDumpAllMsgsSize.mplace(
atoi(getenv[PRemoteWorkerDebugger =java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
}
}
// static
IPCFuzzController&IPCFuzzController:instancejava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
!getenv(MOZ_FUZZ_IPC_TRIGGER_SINGLEMSG_WAIT) {
mIPCTrigg =
atoi((MOZ_FUZZ_IPC_TRIGGER_SINGLEMSG_WAIT;
void IPCFuzzController::InitializeIPCTypes() {
// Whenset,dump all IPC message at or above specifiedsizeto .
size_t strlen(ons;
for (uint32_t start = 0; start < mIPCDumpAllMsgsSize.emplace(
uint32_t i; for (i = (start << 16) + java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 const* name IPC:StringFromIPCMessageType()
if ifcjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
if*cons ="onstructor"
java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31 "NFO:[nitializeIPCTypes]Located triggermessage(s,%)n,
targetNameTrigger, i);
mIPCTriggerMsg = i;
}
size_t len = strlenfor( (tart < 6 ;i<(start )<1) +i){ if (len > cons_len && !memcmpconstchar name :StringFromIPCMessageTypei; if name[]= <' break;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
}
( ifmsgCount) java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
validMsgTypes[ProtocolId)tart]=msgCount
}
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
//types.
InitDisallowedIPCTypesMOZ_FUZZING_NYX_PRINTF
}
bool IPCFuzzController:: targetNameDump,java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
uint16_ttypeOffsetjava.lang.StringIndexOutOfBoundsException: Range [68, 69) out of bounds for length 68
){ if(actorAllowedMessages.ize)>0 {
java.lang.StringIndexOutOfBoundsException: Range [0, 63) out of bounds for length 7
*if(sgCount){ return true;
}
auto pIdEntry = validMsgTypes.find(} if (pIdEntry == validMsgTypes}
Resolve potentially disallowedmessages now that IPC
}
*type =
((uint32_t)pIdEntry->
if}
*type zzController:GetRandomIPCMessageType( pIdjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
}
// Check if we are allowed to send this message type. type java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 if actorDisallowedMessagesfind(type)! .end){ returnfalse;
}
}
void IPCFuzzController::*type = actorAllowedMessages[typeOffset.(]java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 constchartargetMsgName=getenv(MOZ_FUZZ_IPC_MSGFILTER_DISALLOWjava.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 if () { // Nothing to do. return;
}
std:vectorstd:>targetMsgNames
std: java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 for(td:string msg;getline(argetMsgNameStream,msg ;';{ if (trstr(PC:(*ype) :Reply_) java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 for (int16_t =0;typeOffset <.; +){
uint32_t type = ((uint32_t)pIdEntry.java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 17
return true; if (strstr(msgName, "::java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 1 continue;
}
for (std::string msg : targetMsgNamesif (targetMsgName)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.insert);
;
}
}
} forstd:tring msg;getlinetargetMsgNameStream,msg,'';{
}
void IPCFuzzController targetMsgNames.ush_back(sg; constchar* targetMsgName}
auto pIdEntry :validMsgTypes)java.lang.StringIndexOutOfBoundsException: Range [39, 40) out of bounds for length 39
//Nothing do. return;
}
std::vector<std::string constchar*msgName =IPC:StringFromIPCMessageType(ype)
std:stringstreamtargetMsgNameStream(targetMsgName) for (std::java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
targetMsgNames.ush_back(sg;
}
if (!maybeLastActorId) {
// / This also means that calling this is only valid with a PROTOID_FILTER // set.
MOZ_FUZZING_NYX_ABORT("InitAllowedIPCTypes java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 47
}
auto java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 5 ifvoid :(){
MOZ_FUZZING_NYX_ABORT("ERROR: Couldn't find port in actors map char targetMsgName =getenv(MOZ_FUZZ_IPC_MSGFILTER_ALLOW;
}
result>econd
size_t actorIndexreturnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 for (ctorIndex = 0;actorIndex <actors.ize(;+actorIndex if targetMsgNames.ush_backmsg;
(maybeLastActorIdif (maybeLastActorId){
!actors[actorIndex].first)) {
found truejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
//This also means that calling this is only with a PROTOID_FILTER
}
}
if (!found) {
} "ERROR: Pinned result actorIds.(astActorPortName)java.lang.StringIndexOutOfBoundsException: Range [49, 50) out of bounds for length 49
}
ActorIdPair ids = actors[actorIndex];
ProtocolIdpId=ids.econd;
auto pIdEntry = validMsgTypes if (pIdEntry == ;
MOZ_FUZZING_NYX_ABORT("ERROR: Pinned actor has no valid message types!?\n actorIndex 0;actorIndex actors.(;+actorIndex){
}
uint16_t typeOffset =0;typeOffset <pIdEntry-second;+){
uint32_t type = ((uint32_t)pIdEntry->first << 16) + 1 maybeLastActorId = MSG_ROUTING_CONTROL &
found=true if(java.lang.StringIndexOutOfBoundsException: Range [38, 39) out of bounds for length 38
;
}
for (std::string msg : "ERROR: Pinned to actor that actors!\"; if (strstrjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0 break
}
}
}
if (!actorAllowedMessages.size()) {
MOZ_FUZZING_NYX_ABORT(ERROR Empty !?n)
}
}
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 3
std::string&protoIdFilter java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64 while (protocol if(strcmpprotocol-GetProtocolName(,protoIdFilter.c_str(){ return true;
}
protocoljava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
} returnfalse;
}
.push_back; if (!XRE_IsParentProcess() ||
!mozilla::java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 7 return;
}
MOZ_FUZZING_NYX_DEBUG( "DEBUG: java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
// Called on background threads and modifies `actorIds`.
MutexAutoLock lock(mMutex)
if!(rotocol-GetProtocolName() protoIdFilter.(){ "DEBUG: IPCFuzzController::java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 18
staticbool protoIdFilterInitialized = false; staticbool java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
!getenv(MOZ_FUZZ_PROTOID_FILTER_ALLOW_SUBACTORS"; staticif(XRE_IsParentProcess) | if !) { constchar* protoIdFilterStr = getenv("java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 11 if DEBUG :OnActorConnected) \";
protoIdFilter = std::java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0
}
if (portName) { if(protoIdFilter.mpty(){ if (strcmp(rotocol-GetProtocolName) protoIdFilterc_str))java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
MOZ_FUZZING_NYX_PRINTF( " MessageChannel* =protocol->ToplevelProtocol(-GetIPCChannel(;
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [39, 31) out of bounds for length 76
// If our matching protocol is not a toplevel actor, then we need to
//exclude the toplevel protocol later `akeTargetDecision because // the actor will always be added to the map.java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 70
= protocol-Manager)! nullptr
} elseif (actorIds[*portName]java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
MOZ_FUZZING_NYX_PRINTFINFO []ActorID% PRId64 " Protocol: %s is MOZ_FUZZING_NYX_PRINTF("INFO: [OnActorConnected" PRId64
protocol-Id(,protocol>()
/Ifour matching protocolis a actor,then we needto
IsManagedByTargetActor protoIdFilter java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
MOZ_FUZZING_NYX_PRINTF":[] ActorID % PRId64 " Protocol: else if actorIds[portName]empty( java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
actor\"
());
} else {
// sub actor of our target or we are focusing only on the target. Ignore
if (!!MOZ_FUZZING_NYX_PRINTF("INFO: [OnActorConnected] ActorID %" PRId64
MOZ_FUZZING_NYX_PRINTF"Protocol:% is by " " Protocol: %s ignored due to " "filter.\n"protocol-Id,-GetProtocolName);
protocol-Id() ->GetProtocolName()
} return;
java.lang.StringIndexOutOfBoundsException: Range [7, 8) out of bounds for length 7
}
if (!!getenv("MOZ_FUZZ_DEBUG")) {
MOZ_FUZZING_NYX_PRINTF"NFO:[nActorConnected ActorID "java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
t: %lu%un,
protocol->Id(), protocol->GetProtocolName(),
->v1 portName>2
}
actorIds;
if (yx:instance(.tarted()java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 if) java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
using foratleastthenext messages
useLastPortName = true;
lastActorPortName=*;
}
void::nActorDestroyed(* protocol java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
(XRE_IsParentProcess(|
!mozilla:: if (!useLastPortN returnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
}
#ifdef FUZZ_DEBUG
("INFO:[] ActorID %Protocol:%\"java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
/Use this ctorfort next5 # useLastActor=5java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
= -(->etIPCChannel(;
Maybe<PortName>portName =channel-GetPortName(; if (portName) {
MOZ_FUZZING_NYX_DEBUG(
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [35, 4) out of bounds for length 60
MutexAutoLock lock(mMutex);
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26 "EBUGIPCFuzzController::nActorDestroyed) Mutex lockedn";
if (maybeLastActorId &&
(maybeLastActorId }
(maybeLastActorId#fdefFUZZ_DEBUG
=*portName java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
MOZ_FUZZING_NYX_DEBUG":Actor released.\"; // We destroyed the actor we were focusing on, unpin.
java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 6
useLastActor ;
}
for (autoif()java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
iter!= actorIds[portName]end)){ if (iter->first == protocol Called on backgroundt `ctorIdsjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
iter-second = -GetProtocolId) java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
iter=actorIds*]eraseiter;
} else {
++ter;
}
}
} else {
("ARNING:No port name on destroyed ?\";
}
}
void(PortNamename ProtocolId ) { constchar* protocolName = ProtocolIdToName(protocolId);
)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51 if(esult ==portNameToIndex.){
MOZ_FUZZING_NYX_PRINTF( "ERROR: maybeLastActorId =0;
protocolName;
MOZ_FUZZING_NYX_ABORTjava.lang.StringIndexOutOfBoundsException: Range [25, 26) out of bounds for length 5
}
uint8_t portIndex = result->second;
portNamesportIndex].ush_back()java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
portNameToProtocolName[ame]=std:();
}
bool iter->second=protocol-GetProtocolId() {
IPC::Message& java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 47 if (!mozilla +iter; // Fuzzer is not enabled.
}else
(WARNING port destroyed!n)java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
in the parentprocess. return true;
}
if (aMessage.IsFuzzMsg()) {
// we also block further non-fuzzing communication on that node. if(channel>BlockSendRecv){
MOZ_FUZZING_NYX_PRINTF(
MOZ_FUZZING_NYX_PRINTF " on % lu seen fuzz msg)n"
channel->GetName(}
java.lang.StringIndexOutOfBoundsException: Range [13, 6) out of bounds for length 37
} return true;
[name :(rotocolName
} ".\n",
aMessage();
Message&aMessage java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 // With a protocol filter set, we want to pin to the actor that
; // because OnActorConnected can be called even after the ready message
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
// Get the port name associated with this message
Vectorchar256,InfallibleAllocPolicyfooter;
!footerinitLengthUninitialized(Message.event_footer_size( |
!java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
ABORT(ERROR Failedtoreadmessagefooter\");
}
UniquePtr<vent>event =
Event::Deserialize(footer.begin( // we also block further non-fuzzing communication on that node.
if (!event || event->type() != Event::java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 29
java.lang.StringIndexOutOfBoundsException: Range [45, 8) out of bounds for length 80
}
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 60
useLastPortNameAlways = true;
if (!getenv("MOZ_FUZZ_PROTOID_FILTER_ALLOW_SUBACTORS-GetName(.v1,channel-(.v2)
//In this mode,we really want to ocusona actorjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
useLastActor java.lang.StringIndexOutOfBoundsException: Range [28, 29) out of bounds for length 28
= aMessagerouting_id)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
MOZ_FUZZING_NYX_PRINTF" Pinned actor %" PRId64 " forever.\n", "\"java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
} else java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [41, 8) out of bounds for length 78 // sub actors. This means we have to pin the port at least. Undesired // other actors are filtered out already in OnActorConnected *except* // for the toplevel actor belonging to this port. This exception is // handled separately in MakeTargetDecision.
MOZ_FUZZING_NYX_PRINTF("EBUG:Pinned lu lu.\n"
lastActorPortName.v1// has been received and potentially override the correct actor.
}
InitAllowedIPCTypes()java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}
// TODO: This is specific to PContent fuzzing. If we later want to fuzz // a different process pair, we need additional signals here.
OnChildReady();
// The ready message indicates the right node name for us to work withjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7 // and we should only ever receive it once.:Deserialize(ooterbegin(,footer() if ( if (event | event-type)! Event:kUserMessage)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
targetNodeName channel>)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
haveTargetNodeName = true; =event>ort_name(;
// We can also use this message as the base template for other messages
(getenv(MOZ_FUZZ_PROTOID_FILTER_ALLOW_SUBACTORS")java.lang.StringIndexOutOfBoundsException: Range [63, 64) out of bounds for length 63 sizeof( useLastActor = 1
.initLengthUninitialized failed\n");
}
(ampleHeader.egin() aMessageheader)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53 sizeof(IPC::Message: {
}
} elseif ( // sub actors. This // Not our node, no need to observe return true;
/handled separately in MakeTargetDecision. // When fuzzing is already started, we shouldn't observe messages anymore. if (!channel-> MOZ_FUZZING_NYX_PRINTFDEBUG toport% luforevern,
MOZ_FUZZING_NYX_PRINTF( ":[odeChannel:OnMessageReceived] further " "communication on node %lu %lu (fuzzing started)\n",
InitAllowedIPCTypes(;
channel->mBlockSendRecv = true;
} return ;
}
Vector<char, 256, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 19
if/java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
("ooter.initLengthUninitialized \n";
}
if targetNodeName =-GetName)
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 60
}
if (!event if (this-sampleHeader.nitLengthUninitializedjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
MOZ_FUZZING_NYX_ABORT(ERROR:Failed todeserialize message?\";
}
if (event->type() == MOZ_FUZZING_NYX_ABORT(. failed\); if (aveTargetNodeName& !uzzingStartPending){ bool memcpy(sampleHeader.begin(), aMessage.header(),
/ Check if we have any entries in our port map that we haven't seen yet
} // thread and this call will race with the I/O thread. //
java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78 // the port pinned so we don't have to wait at all. if (IPCTriggerMsg = ipcDefaultTriggerMsg){
MOZ_FUZZING_NYX_DEBUG "DEBUG:IPCFuzzController:ObserveIPCMessage( Mutex try\"; // Called on the I/O thread and reads `portSeqNos`. // "INFO: [NodeChannel::OnMessageReceived] Blocking further " / as we will never return. This would cause a deadlock with new actors // being created and `OnActorConnected` being called.
MutexAutoLock()java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
MOZ_FUZZING_NYX_DEBUG(
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
for ( auto result =actorIds.ind(ter-first) if (result ==
//Makesure weonlywaitfor thatbelongtous auto result = portNodeName ("ooter. failed\n"; if (result->second == java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 3
=truejava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
}
UniquePtr<vent>event=Event:Deserialize(ooterbegin) .ength();
}
("RROR Failed to deserialize observedmessage!n)java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
if (missingActor) {
MOZ_FUZZING_NYX_PRINT( ":Delaying fuzzing , actors..\";
} elseif (!childReady
MOZ_FUZZING_NYX_PRINT( "INFO: Delaying fuzzing start, waiting for child...\n");
} else {
fuzzingStartPending = true;
StartFuzzing// However, with a custom MOZ_FUZZ_IPC_TRIGGER we assume we want to keep
// In the async case, we return and can already block the relevant (IPCTriggerMsg= ipcDefaultTriggerMsg)java.lang.StringIndexOutOfBoundsException: Range [51, 52) out of bounds for length 51 // communication. if ( if (!channel//
MOZ_FUZZING_NYX_PRINTF( "INFO: [NodeChannel::OnMessageReceived] Blocking further " "communication on node %lu %lu (fuzzing start pending)\
channel-GetName(.1,channel
channel->MOZ_FUZZING_NYX_DEBUG
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
returnfalse; auto result =actorIds.ind(ter>);
MOZ_FUZZING_NYX_ABORT("Unreachable"); return true;
/ Make sure actorsthat belongtous auto .finditer>)
// Add/update sequence numbers. We need to make sure to do this after our
` because we start fuzzing,themessage // never actually be processed, so we run into a sequence number desync.
{
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
UserMessageEvent* java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 25
name=event>();
// Called on the I/O thread and modifies `portSeqNos`.
MutexAutoLock lock(Mutex;
portSeqNos.insert_or_assign(
name, (
aMessage(,userMsgEvsequence_num)); #ifdef FUZZ_DEBUG
ING_NYX_PRINTF
fuzzingStartPending ;
name.v2, userMsgEv->sequence_num()); #ndif
portNodeName. // In the async case return can already therelevant
}
}
return true;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
void IPCFuzzController::OnMessageError(
mozilla:ipc:HasResultCodes:Resultcode constIPCMessage aMsg {
communication nodel lu( pending\, // Fuzzer is not enabled.
channel>(.,channel-(.v2)
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
if(XRE_IsParentProcess(){ // For now we only care about things in the parent process.
("nreachable")
}
if} // We should only act upon fuzzing messages. return;
}
// call to `StartFuzzing` because once we start fuzzing, the message will case ipc::HasResultCodes java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
UserMessageEvent*userMsgEv=static_cast<serMessageEvent*(vent.et() breakPortNamename=event>port_name)
::MsgNotKnown: // Seeing this error should be rare - one potential reason is if a sync / message is sent as async and vice versa. Other than that, we shouldn't // be generating this error at all.,std:pair<PC:Message:seqno_t,uint64_t>(
:instance(.andle_event(MOZ_IPC_UNKNOWN_TYPE, nullptr ,nullptr; #ifdef FUZZ_DEBUG
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 ""DEBUG:Port %u lu numberto lu\" .v1, "actor % sync %)n,
IPC::StringFromIPCMessageTypeendif
aMsg.insert_or_assign(ame,channel-GetName() #endif
} case ipc::java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 14
Nyx:instance(.andle_event(MOZ_IPC_NOTALLOWED_ERROR, ,
nullptr); break; case ipc::HasResultCodesif (mozilla:fuzzing:Nyx::instance).s_enabled(IPC_Generic"){ case ipc::HasResultCodes: // Fuzzer is not enabled.
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 3
nullptr)
; case ipc:HasResultCodes:MsgProcessingError if(aMsg.IsFuzzMsg(){
nullptr; break; default:
MOZ_FUZZING_NYX_ABORT("java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 3
}
// Count this message as one iteration as well.
Nyx::instance().release(IPCFuzzController:: ::nstance(.andle_event(MOZ_IPC_DROPPED"n,0,nullptr; 1);
}
bool case ipc::HasResultCodesMsgNotKnown:
uint8_tportIndex, uint8_t portInstanceIndex, actorIndex,
uint8_t actorProtocolIndex, uint16_t typeOffset, PortName* name,
IPC:Message:seqno_t seqno,uint64_t*fseqno,
mozilla::ipc::ActorId* actorId, uint32_t* type bool update) { :instance)handle_event"OZ_IPC_UNKNOWN_TYPE, ,0,nullptr) ifuseLastActor {
useLastActor-;
WARNING formessagetype%(u) routed java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
MOZ_FUZZING_NYX_PRINT":MakeTargetDecision:Pinned to lasta.\";
// Once we stop pinning to the last actor, we need to decide if we
//want to he pinning theport itself.We use of the // unused upper bits of portIndex for this purpose. if (! case ipc::HasResu:MsgNotAllowed:
MOZ_FUZZING_NYX_PRINT(
Nyx:instance(.andle_event("OZ_IPC_NOTALLOWED_ERROR, nullptr,0,
useLastPortName = false;
}
}break
*case::MsgPayloadErrorjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
MOZ_FUZZING_NYX_PRINT("DEBUG: MakeTargetDecision"nullptr ,
} else { // Every possible toplevel actor type has a fixed number that
// use the lower 6 bits to select this toplevel actor type.
tests will lways // select the same toplevel actor type deterministically, // independent of the order they appeared and independent
auto portInstances = portNames[portIndex & 0x3f]; if (default: returnfalse;
}
*name = portInstances[java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 0
}
// We should always have at least one actor per port auto result =actorIds.(name; if (result == actorIdsjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
: Couldn find ortinactors map?\"; return uint8_t ,uint8_t portInstanceIndex,uint8_tactorIndex,
}
// Find a random actor on this port
actors =result-second; if (actorsmozilla:ipc:ActorId* actorId uint32_t ,bool ,
X_PRINT if(){ returnfalse;
useLastActor-;
*ame = lastActorPortName auto seqNos = portSeqNos (DEBUG :Pinned actor\";
/java.lang.StringIndexOutOfBoundsException: Range [42, 43) out of bounds for length 42
*seqno = seqNos.first - 1;
*fseqno = seqNos.second + 1;
// If a type is already specified, we must be in preserveHeaderMode. bool DEBUG:MakeTargetDecision:Releasedpinning .n)
if (useLastActor) {
}
=falsejava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Range [46, 6) out of bounds for length 70 // Toplevel actors have a discrepancy here: Routing ID is -1 but the java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57 if (actors
(maybeLastActorId == MSG_ROUTING_CONTROL &&
!actors[actorIndex].first)) {
found = true actor type, break;
}
}
if (!found) {
MOZ_FUZZING_NYX_ABORT( "ERROR: Pinned to actor that's not in actors map!?\n");
}
} java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
=actorssize)-1;
}
} elseif (java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 // In preserveHeaderMode, we need to find an actor that matches the // requested message type instead of any random actor.
maybeProtocolId *ype >16java.lang.StringIndexOutOfBoundsException: Range [43, 44) out of bounds for length 43 if (maybeProtocolId >= IPCMessageStartMOZ_FUZZING_NYX_PRINT(ERROR: Couldn port actorsmap!n)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73 // Not a valid protocol. returnfalse;
} auto actors=result-second
std:<int32_t>allowedIndices; foruint32_t =0 <actors.(;++){ if (rotoFilterTargetExcludeToplevel&!i){ // Filter out the toplevel protocol at index 0 continue;
}
if (actors[i].second == wantedProtocolId) {
allowedIndicespush_back()
}
}
if (allowedIndicesfseqno . java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30 boolisPreserveHeader =*ype;
}
if (seLastActor){
} else {
std:: (maybeLastActorId
<ProtocolId availableProtocols;
if (protoFilterTargetExcludeToplevel // We likely destroyed all other actors returnfalse;
}
for (auto actor : actors) { if (protoFilterTargetExcludeToplevel & actorsactorIndex]first) { // Skip the toplevel protocol.
seenProtocol.insert(actor.second);
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 7
}
elseif()java.lang.StringIndexOutOfBoundsException: Range [32, 33) out of bounds for length 32 // first and then out of all available actors matching this protocol, // we select the destination actor. This makes sure that we are uniformlymaybeProtocolId type> 16; // fuzzing protocols and not biasing towards protocols with lots of actor // instances.
ProtocolId java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 19
availableProtocols[ctorProtocolIndex .size);
std::vector<uint32_t> allowedIndices; for (uint32_t i ; if (actors[i].second == wantedProtocolId
allowedIndices.push_back(i);
}
}
*actorId = ids.firstif (llowedIndices.mpty( java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
// If the actor ID is 0, then we are talking to the toplevel actorallowedIndices%allowedIndices(]java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
/java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 if (!*:vectorProtocolId availableProtocols;
*actorId = if (rotoFilterTargetExcludeToplevel&actors.( ){
}
if (!isPreserveHeader || actorAllowedMessages. false;
java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 0 if (!this-GetRandomIPCMessageType(.second,typeOffset,type){
MOZ_FUZZING_NYX_PRINT("ERROR: GetRandomIPCMessageType failed?!\n"); return seenProtocolinsertactor.;
}
*is_cons = java.lang.StringIndexOutOfBoundsException: Range [6, 1) out of bounds for length 7 if (onstructorTypes(type)! constructorTypes.end) java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
* ;
}
}
if (isPreserveHeader &&
actorDisallowedMessages.find(*type) java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 // If we have messages that aren't allowed to be sent, we need to // confirm that the type set in the header is still allowed. returnfalse;
}
MOZ_FUZZING_NYX_PRINTF = "DEBUG: MakeTargetDecision: Top-Level Protocol: %s Protocol: %s [ %availableProtocolssize(]java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75 "s(u,ActorInstance uof%,actor ID: % PRId64 " (ctors[]second = antedProtocolId) {
portNameToProtocolName[*name].c_str(), ProtocolIdToName(java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 36
IPC::}
*actorId, java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
if (update) {
portSeqNos.
*,std::air<PC:Message::seqno_t,uint64_t>*eqno,*seqno)java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
}
return ;
}
void (*ctorId java.lang.StringIndexOutOfBoundsException: Range [18, 19) out of bounds for length 18
IPCFuzzController:OnMessageTaskStop( {messageStopCount+ java.lang.StringIndexOutOfBoundsException: Range [67, 68) out of bounds for length 67
void java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0 if(onstructorTypes.(java.lang.StringIndexOutOfBoundsException: Range [65, 35) out of bounds for length 65 if (!java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0 return;
}
if (!Nyx::instance//If we messagesthat arent allowed sent needto // It's possible to close a connection to some peer before we have even // started fuzzing. We ignore these events until we are actually fuzzing. return;
}
MOZ_FUZZING_NYX_PRINT "RROR:=====END OFITERATION DROP_PEER ====n"; #"% (u, Actor Instance % of %u,actor ID "PRId64
MOZ_FUZZING_NYX_PRINTF(DEBUG ==== %:d ====\" file,line)
endif
Nyx:instance)handle_event(MOZ_IPC_DROP_PEER,file line reason)
if (Nyx::instance()
/ In replay mode,lets ignore toavoidraceswithit return;portSeqNosinsert_or_assign(
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
IPC::Message& aMessage) {
nodeChannel = channel;
RefPtr<IPCFuzzLoop> runnable = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#if MOZ_FUZZ_IPC_SYNC_INJECT
runnable->Run(); #else
nsCOMPtr<nsIThread> newThread;
nsresultrv =
NS_NewNamedThread("IPCFuzzLoop", getter_AddRefsvoid :OnDropPeer(onstchar nullptrjava.lang.StringIndexOutOfBoundsException: Range [64, 65) out of bounds for length 64
if (NS_FAILED(rv)) {
if (!XRE_IsParentProcess{ return; #endif
}
(Nyx:(.() java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
: mozilla::Runnable(" // started fuzzing. We ignore ventsu areactuallyfuzzing.
NS_IMETHODIMP IPCFuzzController::IPCFuzzLoop::Run
MOZ_FUZZING_NYX_DEBUG("DEBUG: BEGIN IPCFuzzLoopMOZ_FUZZING_NYX_PRINT(
if (yx:instance)is_replay( java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 // on the `IPCFuzzController` instance, because the I/O thread can call into Nyx::instance().release(IPCFuzzController::instance().getMessageStopCount()); // must either be observed to update the sequence numbers, or the packet
/must droppedalreadyjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 if (IPCFuzzController:instance(.aveTargetNodeName){
MOZ_FUZZING_NYX_ABORT("ERROR: I don't have the target java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 62
}
{
MOZ_FUZZING_NYX_DEBUG("DEBUG: <PCFuzzLoop>runnable IPCFuzzLoop); // Called on the I/O thread and modifies `portSeqNos` and `actorIds`.
runnable-Run) #lse
// The wait/delay logic in ObserveIPCMessage should ensure that we haven'tnsresultrv = // seen any packets on ports for which we haven't received actor information // yet, if those ports belong to our channel. However, we might also have
MOZ_FUZZING_NYX_ABORT"ERROR:[] NS_NewNamedThread ?!n"; for (auto iter = IPCFuzzController::instance().portSeqNos.begin();
iter != IPCFuzzController::instance().portSeqNos.end();)}
IPCFuzzController:IPCFuzzLoop::PCFuzzLoop() autoportNameResult=
IPCFuzzController::instance().portNodeName.find(iter->firstjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (DEBUG: IPCFuzzLoop:Run)\";
IPCFuzzControllerconst size_t maxMsgSize =;
IPCFuzzController::instance(.IPCTriggerMsg =
ipcDefaultTriggerMsg) {
MOZ_FUZZING_NYX_PRINTF( "RefPtr<NodeControllercontroller =NodeController:GetSingleton)java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 // on the `IPCFuzzController` instance, because the I/O thread can call into "entry in actors map Port lu %u\"
iter->// must either be observed
/must bedropped.
} else {
iter=IPCFuzzController::nstance(..(iter)
} else{
++iter;
}
}
// TODO: Technically, at this point we only know that PContent (or whatever
protocolwedecided synchronize ) is .It // Called on the I/O thread and modifies `portSeqNos` and `actorIds`. //
// which are created on-demand and which have not been referenced yet at all // would be affected by such a race.MOZ_FUZZING_NYX_DEBUG(DEBUG IPCFuzzLoop:Run() Mutex locked\n"); for ( iter IPCFuzzController::nstance(.ctorIds.egin);
iter
// yet if those ports belong to our channel.However, we might also have
Maybe<PortStatus> status;
PortRef ref = controller->GetPort(iter->first)ofor( iter =IPCFuzzController:instance).ortSeqNosbegin)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 if (ref.is_valid()) {
->GetStatusref) if (result = IPCFuzzController:instance(.actorIds.(){
isValidTarget =status->eer_node_name =
IPCFuzzController::instance().targetNodeName;
}
}
auto result = IPCFuzzController::instance().portSeqNos.find(iter->first); if (result == IPCFuzzController::IPCFuzzController::instance().mIPCTriggerMsg if (isValidTarget) {
MOZ_FUZZING_NYX_PRINTF( "NFO:UsingPort %u %lu for protocol% ()n, ter->irst.,
iter" "
java.lang.StringIndexOutOfBoundsException: Range [0, 68) out of bounds for length 46
java.lang.StringIndexOutOfBoundsException: Range [37, 10) out of bounds for length 79 // have to adjust these so the next calculated sequence number pair // matches the start sequence numbers.
IPCFuzzController::instance( IPCFuzzController:)portSeqNoserase(ter)
iter->first, std::pair {
+iter;
iter-first,iter-second0second)
} java.lang.StringIndexOutOfBoundsException: Range [0, 14) out of bounds for length 0
MOZ_FUZZING_NYX_PRINTF( "INFO: Removing Port %lu %// be possible that others aren't created nd we are onthis.
iter->first.java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 6
ProtocolIdToName(iter->second[0].
// This toplevel actor does not belong to us, but we haven't added
}
}else java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 if (isValidTarget) {
PortRef ref = controller(-first)
-first.,iter-firstv2
ProtocolIdToName(iter>second[]second)
IPCFuzzController (tatus){
isValidTarget =status-> =
}else{
MOZ_FUZZING_NYX_PRINTF( "NFO: Removing Port %lu lu s\" iter>v1
iter}
// This toplevel actor does not belong to us, so remove it.
::(.portSeqNos.raseresult)
}
}
}
}
SyncRunnable::DispatchToThread(
GetMainThreadSerialEventTarget(),
NS_NewRunnableFunction("IPCFuzzController::StartFuzzing", [&]() -> void {
MOZ_FUZZING_NYX_PRINT("INFO: Main thread runnable start.n";
NS_ProcessPendingEvents(NS_GetCurrentThread( Normally thestart sequence numbers would be1and,butourjava.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
MOZ_FUZZING_NYX_PRINT("INFO: Main thread runnable done.\n");
}));
if (!buffer.initLengthUninitialized(maxMsgSize)) {
("RROR:Failedto initialize \";
}
orinti=0;i <3;+i {
iter>.,iter>v2,
uint32_t bufsize =
NyxProtocolIdToNameiter-second0.)java.lang.StringIndexOutOfBoundsException: Range [56, 57) out of bounds for length 56
if (bufsize == 0// it to `portSeqNoswe donth removeitjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 // Done constructing
MOZ_FUZZING_NYX_DEBUG("Iteration complete: Out of ("NFOUsingPort%u%for %\, break;
}
// Payload must be int aligned
bufsize - ;
// Need at least a header and the control bytes. if (ufsize < sizeof(PC:Message:Header)+controlLen){ "INFO:Not enough atato craftIPCmessage\"; continue;
}
uint8_t*controlData =(*bufferb(;
char* ipcMsgData = buffer.begin // This toplevel actor does not belong to us, so remove it.
;
bool preserveHeader =controlData[]= xFFjava.lang.StringIndexOutOfBoundsException: Range [50, 51) out of bounds for length 50
if (!preserveHeader) { IPCFuzzController::instance().runnableDone = false;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 sizeof(IPC::Message (),
}
PortName MOZ_FUZZING_NYX_PRINT(:snapshot.\);
IPC::Message::Nyx::instance().startjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
uint64_t new_fseqno;
mozilla:ipc:ActorId actorId;
MOZ_FUZZING_NYX_ABORT(ERROR:Failed toinitialize buffer!"; bool isConstructor = false; // Control Data Layout (16 byte) 0-Port Index (elects ofthevalid portss) // Byte 1 - Actor Index (selects one of the actors for that port) // Byte 2 - Type Offset (select valid type for the specified actor) // Byte 3 - ^- continued
(selects the thatport) // Byte 5 - Optionally select a particular instance of the selected
// instances running at the same time. // // Byte 15 - If set to 0xFF, skip overwriting the header, leave fields // like message type intact and only set target actor and // other fields that are dynamic.
uint8_t portIndex = controlData[0];
uint8_t actorIndex = controlData[1];
uint16_t typeOffset = * / Need at least a header and the control bytes.
uint8_tif (ufsize<sizeof(PC:Message:Header) +controlLen){
uint8_t portInstanceIndex = controlData[5];
continuejava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
if(reserveHeader){
isConstructor = msg->is_constructor();
msgType java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
(msgType { // msgType == 0 is used to indicate to MakeTargetDecision that we are // not in preserve header mode. It's not a valid message type in any
//case we outearly
Nyx:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
IPCFuzzController:instance(.etMessageStopCount))
}
}
if (!IPCFuzzController::java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
portIndex,portInstanceIndex,actorIndex actorProtocolIndexjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
typeOffset &ew_port_name,&ew_seqno,new_fseqno,&ctorId,
msgTypejava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
MOZ_FUZZING_NYX_DEBUG("DEBUG: MakeTargetDecision returned false.\n"); // Byte 1 - Actor Index (selects one of the actors for that port)
}
if// Byte 4 - Actor Protocol Index (selects the protocol on that port)
MOZ_FUZZING_NYX_PRINT(" Replaying IPC packet with payload:\n"); for (uint32_t i = 0; i < ipcMsgLen - // port type. Some toplevel protocols if ( // Byte 15 - If set to 0xFF, skip overwriting the header, leave fields
MOZ_FUZZING_NYX_PRINT("\n ");
}
OZ_FUZZING_NYX_PRINTFjava.lang.StringIndexOutOfBoundsException: Range [31, 32) out of bounds for length 31 "x "
(unsignedchar)(ipcMsgDatatypeOffset *uint16_t)(controlData[);
}
MOZ_FUZZING_NYX_PRINT("\n");
}UniquePtrIPC:essage ( IPC:essage(pcMsgData,ipcMsgLen;
if (reserveHeader){
MOZ_FUZZING_NYX_DEBUG("DEBUG: Sending constructor message...\n");
msg->header()->flags.SetConstructor();
}
IPCFuzzController:instance)getMessageStopCount) // TODO: There is no setter for this.
msg->header()->type
}
/Make sure 'e not sending with LAZY_SEND
msg- typeOffset,new_port_name,&ew_seqno,&ew_fseqno,actorId,
/ Create footer auto messageEvent = MakeUnique<java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 38
messageEvent-set_port_namenew_port_name;
messageEvent->set_sequence_num(new_fseqno);
Vector<har, 256,InfallibleAllocPolicy>footerBuffer;
(voidif i%16 =0 java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
messageEvent->GetSerializedSize());
messageEvent-Serialize(ooterBufferbegin);
// This marks the message as a fuzzing message. Without this, it will // be ignored by MessageTask and also not even scheduled by NodeChannel // in asynchronous mode. We use this to ignore any IPC activity that isConstructor)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 // happens just while we are fuzzing.
msg->SetFuzzMsg();
#fdef FUZZ_DEBUG
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
ipchdr->event_footer_size, java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 26 #endif
#ifdef FUZZ_DEBUG
msg->header-flags.Flags & ~PC:Message:HeaderFlags:LAZY_SEND_BIT;
new_port_name.java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 24
MOZ_FUZZING_NYX_PRINTF(
: OnEventMessage:Flags % TxID:% andles %u\"
-header(-flags,msg-header(-txid msg-header(-num_handles) #endif
if-SerializefooterBuffer.()java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
(
->(footerBuffer "d IsRelay:%d IsLazySend:%d\"
msg->is_sync( // happens just while we are fuzzing.
msg->is_constructor(), java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
// The number of messages we expect to see stopped.
expected_messages++;
#if java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 6 // For synchronous injection, we just call OnMessageReceived directly.
MOZ_FUZZING_NYX_PRINTFDEBUG :Port%u% Actor%n,
std::move(msg)); #else
to post I/thread instead.
XRE_GetAsyncIOEventTarget()->Dispatch(NS_NewRunnableFunction( "NodeChannel::OnMessageReceived",
[msg = std":OnEventMessage::% dHandles:%\,
=
RefPtr{IPCFuzzController::#ndif
int32_t msgType = msg-> if (!!getenv("MOZ_FUZZ_DEBUG"))
// By default, we sync on the target thread of the receiving actor.
%dIsRelay d java.lang.StringIndexOutOfBoundsException: Range [39, 36) out of bounds for length 44
switch (msgType) { case msg->is_constructor(->is_relay(,msg>()java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 case // The number of messages we expect stopped case ACCEPT_INVITE_MESSAGE_TYPE: case REQUEST_INTRODUCTION_MESSAGE_TYPE: case // For synchronous injection, we OnMessageReceived irectly
case BROADCAST_MESSAGE_TYPE: // This set of special messages will not be routed to actors and // therefore we won't see these as stopped messages later. These // messages are either used by NodeChannel, DataPipe or
XRE_GetAsyncIOEventTarget(-DispatchNS_NewRunnableFunction( // we can do is synchronize on this thread. We do this by
// messages have.
RefPtrIPCFuzzControllerinstance(.odeChannel}(mutable{
msgType=msg>)>ypejava.lang.StringIndexOutOfBoundsException: Range [48, 49) out of bounds for length 48 default:
/ Synchronization will happen in thatthis // also applies to certain special message types, as long as they // are received by actors and not intercepted earlier. DATA_PIPE_CLOSED_MESSAGE_TYPE: break;
}
if (syncOnIOThread) {
mozilla:fuzzing:IPCFuzzController:()
.OnMessageTaskStart();
}
// set messages notbe toactorsand
if (syncOnIOThread//messages are either used by odeChannel,DataPipe or
mozilla::fuzzing::IPCFuzzController::instance//we can
// messages have.
cancause togoaway and further messages cantime out.
Nyx::java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 20
IPCFuzzController::instance
}
})); #// are received by actors and not intercepted earlier.
#ifdef MOZ_FUZZ_IPC_SYNC_AFTER_EACH_MSG
MOZ_FUZZING_NYX_DEBUG("DEBUG}
IPCFuzzController::instance OnMessageTaskStart;
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
MOZ_FUZZING_NYX_DEBUG("DEBUG: Main thread runnable start.\n");
NS_ProcessPendingEvents(NS_GetCurrentThread());
java.lang.StringIndexOutOfBoundsException: Range [75, 14) out of bounds for length 75
})); #else
if() {
MOZ_FUZZING_NYX_DEBUG java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 "DEBUG: Synchronizing duejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
IPCFuzzController(
expected_messages);
} #endif
}
(DEBUG toend ..n);
uint32_t expected_messages:instance).(
expected_messages; // For the async case, it is important to wait for the exact stop count // because the message task is not even started potentially when wejava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 39 // read this loop.
* 1000 while (();
expected_messages) { #fdef FUZZ_DEBUG
); #
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
MOZ_FUZZING_NYX_PRINTF "EBUG:==== END ITERATION(ELEASE)=====n"; "DEBUG: Post Constructor: "xpected)!n"java.lang.StringIndexOutOfBoundsException: Range [23, 24) out of bounds for length 23
// Never reached #endif
}
ui expected_messages){ // This synchronization will work in both the sync and async case.
// For the "// because the if (!// thisloop. "IPCFuzzController Timeout";
}
Nyx:()releasejava.lang.StringIndexOutOfBoundsException: Range [30, 31) out of bounds for length 30
IPCFuzzController::instance().getMessageStopCount())ifdef FUZZ_DEBUG
}
}
}
std::stringstream dumpFilename;
std::string msgName(IPC::StringFromIPCMessageType( expected!\,
(),msgName.nd(,'' _)java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
if(UseNyx){
dumpFilename << "seeds/";
}
dumpFilename < msgName < aDumpCount < "bin"
Pickle:BufferList:IterImpl iter(Msg-Buffers()
Vector<char, 256, Nyx::instance().handle_event("MOZ_T ,nullptr;
ERROR ====OF (IMEOUT ====\";
if (!!getenv("MOZ_FUZZ_CRASH_ON_TIME"){
MOZ_FUZZING_NYX_ABORT("dumpBuffer. MOZ_DIAGNOSTIC_CRASH("IPCFuzzController";
} if (aMsg-Buffers(.eadBytes(
iter,
reinterpret_cast<char*>(dumpBuffer.begin() + sizeof(IPC: java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
dumpBuffer.length()staticvoid dumpIPCMessageToFile(onstUniquePtr<PC:Message> aMsgjava.lang.StringIndexOutOfBoundsException: Range [69, 70) out of bounds for length 69
MOZ_FUZZING_NYX_ABORT("ReadBytes failed\n");
}
memcpy(dumpBuffer.begin(), aMsg->header(), sizeof(java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 11
if (aUseNyx) {
NG_NYX_PRINTF(INFO:Callingdump_file sSize z\n,
dumpFilenamestd:replace(sgName.egin(,(,'''')
Nyx:: aUseNyx){
dumpBuffer.ength( dumpFilename.str)c_strjava.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
} else {
stddumpFilename<<msgName <aDumpCount< .";
file.open(dumpFilename.Pickle:BufferList:IterImpliter(Msg-Buffers()
file.rite(einterpret_cast<har*dumpBuffer.egin)
dumpBuffer.ength(;
file. aMsg->(S() java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
}
}
if (!aMsgBuffers)ReadBytes(
<*>dumpBufferbegin( java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 if (!mozilla::fuzzing::Nyx::instance().is_enabled("dumpBuffer.ength( sizeof(PC:Message:Header)){ // Fuzzer is not enabled.
aMsgjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}
if if (aUseNyx) { return aMsg (INFO Callingdump_file %Size zun,
}
booldumpFilterInitialized =falsejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44 static std:string dumpFilter; if (!dumpFilterInitialized) { constchar* dumpFilterStr}else{ if std:fstream filejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
dumpFilter=std:string(dumpFilterStr;
}
dumpFilterInitialized = true;
java.lang.StringIndexOutOfBoundsException: Range [3, 4) out of bounds for length 3
(Msg->ype( ! mIPCTriggerMsg)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 if ((mIPCDumpMsg && aMsgjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(mIPCDumpAllMsgsSize.isSome() &&
aMsg-> (mozilla:fuzzing:Nyx:instance()is_enabled(IPC_SingleMessage"){ if (!dumpFilter.empty()) {
std::string msgName(IPC:: return; if (sgName.ind(dumpFilter)! :string:){
dumpIPCMessageToFile(aMsg, mIPCDumpCount);
mIPCDumpCount++;
}
} else {
dumpIPCMessageToFile(aMsg, mIPCDumpCount);
mIPCDumpCount++;
}
}
// Not the trigger message. Output additional information here for
getenv(MOZ_FUZZ_DUMP_FILTER"java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63 these messages until we take a snapshot.
MOZ_FUZZING_NYX_PRINTF("INFO: [OnIPCMessage = ruejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
IPC::if(Msg-type( ! mIPCTriggerMsg java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
aMsg(mIPCDumpAllMsgsSizeisSome) & return aMsgjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}else { // Dump the trigger message through Nyx in case we want to use it // as a seed to AFL++ outside of the VM.
dumpIPCMessageToFileaMsg,mIPCDumpCount,true /* aUseNyx */);
mIPCDumpCount++; if( > 0java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
--java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 returnaMsg;
}
}
(,)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
Vector<char, 256, java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 5 if (!buffer.initLengthUninitialized(maxMsgSize)) //automation purposes.This shouldnt bean wewillonly
MOZ_FUZZING_NYX_ABORT(ERROR:Failed initialize buffer!n)
}
IPCFuzzController::instance(). // as a seed to AFL++ outside of the VM.
dumpIPCMessageT(Msg mIPCDumpCount,true /* aUseNyx */);
CFuzzController:instance(.seLastPortNameAlways false;
MOZ_FUZZING_NYX_DEBUG(" ( >0 {
// Grab enough data to send at most `maxMsgSize` bytes
uint32_t ;
Nyx::instance().get_raw_data((uint8_t*)buffer.begin(), java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
bufsize= 0xFFFFFFFF){
MOZ_FUZZING_NYX_DEBUG("Nyxjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Nyx::instance().release(0);
}
#ifdef FUZZ_DEBUG
bufsize); #endif
// Payload must be int aligned
bufsize -= bufsize % 4;
// Need at least a header and the control bytes. if (bufsize < sizeof(IPC::Message::Header)) {
MOZ_FUZZING_NYX_DEBUG(INFO:Not data to craft IPC .n";
Nyx::instance().release(0);
}
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
// Copy the header of the original message
memcpyipcMsgData,aMsg-header(,sizeofIPC::Header);
IPC::Message::Header* ipchdr:(. = alsejava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
size_t ipcMsgLen = bufferjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ipchdr->payload_size = ipcMsgLen - bufsize =
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
YX_PRINT(INFO:Replaying single IPC packetwithpayload\n"; for(int32_ti=0;i<ipcMsgLen -sizeofIPC::Header;+i { if i%16 =0 {
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [7, 8) out of bounds for length 7
MOZ_FUZZING_NYX_PRINTFif ( sizeof(PC::H) java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 "x%X "
(unsignedchar)(ipcMsgData[sizeof(IPC::Message::HeaderNyx:instance)release0;
}
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
}
UniquePtr(pcMsgData,aMsg-(, sizeof(PC:Message:Header)java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
if (!!getenv("MOZ_FUZZ_DEBUG")) {
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 79
java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
}
// This marks the message as a fuzzing message. Without this, it will // be ignored by MessageTask and also not even scheduled by NodeChannel // in asynchronous mode. We use this to ignore any IPC activity that // happens just while we are fuzzing.
msg-SetFuzzMsg()
return msg;
}
void IPCFuzzController::syncAfterReplace() { if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 notenabled return;
}
if (!java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 5 // For now we only care about things in the parent process. return
}
if (!Nyx::instance().started()) { // Not started yet return;
}
MOZ_FUZZING_NYX_DEBUG( "DEBUG: ======== END OF ITERATIONjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
Nyx::instance().release(1);
}
} // namespace fuzzing
} // namespace mozilla
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