Merge pull request #814 from PCSX2/coverity-qa-high

Fix a bunches of coverity warning/errors.

build.sh

@@ -22,6 +22,7 @@ cleanBuild=0
 useClang=0
 # 0 => no, 1 => yes, 2 => force yes
 useCross=2
+CoverityBuild=0
 
 for ARG in "$@"; do
     case "$ARG" in
@@ -41,6 +42,7 @@ for ARG in "$@"; do
         --no-simd           ) flags+=(-DDISABLE_ADVANCE_SIMD=TRUE) ;;
         --cross-multilib    ) flags+=(-DCMAKE_TOOLCHAIN_FILE=cmake/linux-compiler-i386-multilib.cmake); useCross=1; ;;
         --no-cross-multilib ) useCross=0; ;;
+        --coverity          ) CoverityBuild=1; cleanBuild=1; ;;
         -D*                 ) flags+=($ARG) ;;
 
         *)
@@ -66,6 +68,7 @@ for ARG in "$@"; do
             echo "--no-cross-multilib: Build a native PCSX2"
             echo "--clang         : Build with Clang/llvm"
             echo "--asan          : Enable Address sanitizer"
+            echo "--coverity      : Do a build for coverity (require the tool)"
 
             exit 1
     esac
@@ -74,6 +77,8 @@ done
 root=$PWD/$(dirname "$0")
 log=$root/install_log.txt
 build=$root/build
+coverity_dir=cov-int
+coverity_result=pcsx2-coverity.xz
 
 if [[ "$cleanBuild" -eq 1 ]]; then
     echo "Doing a clean build."
@@ -116,7 +121,13 @@ else
     ncpu=$(grep -w -c processor /proc/cpuinfo)
 fi
 
-make -j"$ncpu" 2>&1 | tee -a $log
-make install 2>&1 | tee -a $log
+if [[ "$CoverityBuild" -eq 1 ]]; then
+    cov-build --dir $coverity_dir make -j"$ncpu" 2>&1 | tee -a $log
+    # Warning: $coverity_dir must be the root directory
+    (cd $build; tar caf $coverity_result $coverity_dir)
+else
+    make -j"$ncpu" 2>&1 | tee -a $log
+    make install 2>&1 | tee -a $log
+fi
 
 exit 0

common/src/x86emitter/cpudetect.cpp

@@ -182,7 +182,7 @@ void x86capabilities::CountCores()
 static const char* tbl_x86vendors[] = 
 {
 	"GenuineIntel",
-	"AuthenticAMD"
+	"AuthenticAMD",
 	"Unknown     ",
 };
 

pcsx2/CDVD/CDVD.cpp

@@ -1767,7 +1767,7 @@ static void cdvdWrite16(u8 rt)		 // SCOMMAND
 
 			cdvdGetMechaVer(&cdvd.Result[1]);
 			cdvdReadRegionParams(&cdvd.Result[3]);//size==8
-			DevCon.WriteLn("REGION PARAMS = %s %s", mg_zones[cdvd.Result[1]], &cdvd.Result[3]);
+			DevCon.WriteLn("REGION PARAMS = %s %s", mg_zones[cdvd.Result[1] & 7], &cdvd.Result[3]);
 			cdvd.Result[1] = 1 << cdvd.Result[1];	//encryption zone; see offset 0x1C in encrypted headers
 			//////////////////////////////////////////
 			cdvd.Result[2] = 0;						//??

pcsx2/CDVD/CsoFileReader.cpp

@@ -244,7 +244,7 @@ int CsoFileReader::ReadFromFrame(u8 *dest, u64 pos, int maxBytes) {
 
 	// Calculate where the compressed payload is (if compressed.)
 	const u64 frameRawPos = (u64)index0 << m_indexShift;
-	const u64 frameRawSize = (index1 - index0) << m_indexShift;
+	const u64 frameRawSize = (u64)(index1 - index0) << m_indexShift;
 
 	if (!compressed) {
 		// Just read directly, easy.

pcsx2/CDVD/GzippedFileReader.cpp

@@ -63,7 +63,7 @@ static Access* ReadIndexFromFile(const wxString& filename) {
 	infile.read((char*)index, sizeof(Access));
 
 	s64 datasize = size - GZIP_ID_LEN - sizeof(Access);
-	if (datasize != index->have * sizeof(Point)) {
+	if (datasize != (s64)index->have * sizeof(Point)) {
 		Console.Error(L"Error: unexpected size of gzip index, please delete it manually: '%s'.", WX_STR(filename));
 		infile.close();
 		free(index);
@@ -316,6 +316,7 @@ bool GzippedFileReader::OkIndex() {
 		WriteIndexToFile((Access*)m_pIndex, indexfile);
 	} else {
 		Console.Error(L"ERROR (%d): index could not be generated for file '%s'", len, WX_STR(m_filename));
+		free_index(index);
 		InitZstates();
 		return false;
 	}

pcsx2/CDVD/InputIsoFile.cpp

@@ -90,7 +90,8 @@ void InputIsoFile::BeginRead2(uint lsn)
 
 int InputIsoFile::FinishRead3(u8* dst, uint mode)
 {
-	int _offset, length;
+	int _offset = 0;
+	int length = 0;
 	int ret = 0;
 
 	if(m_current_lsn < 0)

pcsx2/CDVD/IsoFS/IsoFS.cpp

@@ -209,9 +209,10 @@ u32 IsoDirectory::GetFileSize( const wxString& filePath ) const
 
 IsoFileDescriptor::IsoFileDescriptor()
 {
-	lba = 0;
-	size = 0;
+	lba   = 0;
+	size  = 0;
 	flags = 0;
+	memset(&date, 0, sizeof(date));
 }
 
 IsoFileDescriptor::IsoFileDescriptor(const u8* data, int length)

pcsx2/CDVD/zlib_indexed.h

@@ -303,6 +303,11 @@ local int build_index(FILE *in, PX_off_t span, struct access **built)
         }
     } while (ret != Z_STREAM_END);
 
+    if (index == NULL) {
+        // Could happen if the start of the stream in Z_STREAM_END
+        return 0;
+    }
+
     /* clean up and return index (release unused entries in list) */
     (void)inflateEnd(&strm);
     index->list = (Point*)realloc(index->list, sizeof(struct point) * index->have);

pcsx2/COP0.cpp

@@ -509,7 +509,7 @@ void MTC0()
 }
 
 int CPCOND0() {
-	return ((dmacRegs.stat.CIS | ~dmacRegs.pcr.CPC) == 0x3ff);
+	return (((dmacRegs.stat.CIS | ~dmacRegs.pcr.CPC) & 0x3FF) == 0x3ff);
 }
 
 //#define CPCOND0	1

pcsx2/DebugTools/DisR3000A.cpp

@@ -28,7 +28,8 @@ namespace R3000A
 		"r0", "at", "v0", "v1", "a0", "a1","a2", "a3",
 		"t0", "t1", "t2", "t3", "t4", "t5","t6", "t7",
 		"s0", "s1", "s2", "s3", "s4", "s5","s6", "s7",
-		"t8", "t9", "k0", "k1", "gp", "sp","fp", "ra"};
+		"t8", "t9", "k0", "k1", "gp", "sp","fp", "ra"
+		"HI", "LO" };
 
 	const char * const disRNameCP0[] = {
 		"Index"     , "Random"    , "EntryLo0", "EntryLo1", "Context" , "PageMask"  , "Wired"     , "*Check me*",

pcsx2/DebugTools/DisR5900asm.cpp

@@ -869,6 +869,9 @@ void disMemAccess( std::string& output, const char* name, int cop = 0)
 	case 2:
 		rt = COP2_REG_FP[DECODE_FT];
 		break;
+	default:
+		rt = "???";
+		break;
 	}
 
 	const char* rs = GPR_REG[DECODE_RS];

pcsx2/DebugTools/DisassemblyManager.cpp

@@ -444,8 +444,10 @@ void DisassemblyFunction::generateBranchLines()
 	};
 
 	LaneInfo lanes[NUM_LANES];
-	for (int i = 0; i < NUM_LANES; i++)
+	for (int i = 0; i < NUM_LANES; i++) {
 		lanes[i].used = false;
+		lanes[i].end = 0;
+	}
 
 	u32 end = address+size;
 
@@ -643,6 +645,7 @@ void DisassemblyFunction::load()
 					macro = new DisassemblyMacro(cpu,opAddress);
 					macro->setMacroMemory("sh",immediate,rt,2);
 					funcPos += 4;
+					break;
 				case 0x2B:	// sw
 					macro = new DisassemblyMacro(cpu,opAddress);
 					macro->setMacroMemory("sw",immediate,rt,4);
@@ -989,6 +992,8 @@ void DisassemblyData::createLines()
 				}
 				break;
 			default:
+				// Avoid a call to strlen with random data
+				buffer[0] = 0;
 				break;
 			}
 

pcsx2/DebugTools/ExpressionParser.cpp

@@ -413,8 +413,8 @@ bool parsePostfixExpression(PostfixExpression& exp, IExpressionFunctions* funcs,
 	size_t num = 0;
 	u64 opcode;
 	std::vector<u64> valueStack;
-	u64 arg[5];
-	float fArg[5];
+	u64 arg[5] = {0};
+	float fArg[5] = {0};
 	bool useFloat = false;
 
 	while (num < exp.size())

pcsx2/DebugTools/SymbolMap.cpp

@@ -241,6 +241,7 @@ void SymbolMap::AddModule(const char *name, u32 address, u32 size) {
 
 	ModuleEntry mod;
 	strncpy(mod.name, name, ARRAY_SIZE(mod.name));
+	mod.name[ARRAY_SIZE(mod.name) - 1] = 0;
 	mod.start = address;
 	mod.size = size;
 	mod.index = (int)modules.size() + 1;

pcsx2/IopSio2.cpp

@@ -156,7 +156,7 @@ void sio2_serialIn(u8 value){
 	if (sio2.cmdlength) sio2.cmdlength--;
 	sioWrite8(value);
 
-	if (sio2.packet.sendSize > BUFSIZE) {//asadr
+	if (sio2.packet.sendSize >= BUFSIZE) {//asadr
 		Console.Warning("*PCSX2*: sendSize >= %d", BUFSIZE);
 	} else {
 		sio2.buf[sio2.packet.sendSize] = sioRead8();
@@ -183,7 +183,7 @@ void sio2_fifoIn(u8 value){
 	if (sio2.cmdlength) sio2.cmdlength--;
 	SIODMAWrite(value);
 
-	if (sio2.packet.sendSize > BUFSIZE) {//asadr
+	if (sio2.packet.sendSize >= BUFSIZE) {//asadr
 		Console.WriteLn("*PCSX2*: sendSize >= %d", BUFSIZE);
 	} else {
 		sio2.buf[sio2.packet.sendSize] = sioRead8();

pcsx2/Plugins.h

@@ -298,7 +298,8 @@ protected:
 	volatile u32				m_mcdOpen;
 
 public:		// hack until we unsuck plugins...
-	ScopedPtr<PluginStatus_t>	m_info[PluginId_Count];
+	// +1 to avoid out-of-bounds due to PluginId_Mcd which is above PluginId_Count
+	ScopedPtr<PluginStatus_t>	m_info[PluginId_Count + 1];
 
 public:
 	SysCorePlugins();

pcsx2/VUops.cpp

@@ -176,19 +176,21 @@ static __ri void __fastcall _vuFMACAdd(VURegs * VU, int reg, int xyzw) {
 		if (VU->fmac[i].enable == 1) continue;
 		break;
 	}
-	//if (i==8) Console.Error("*PCSX2*: error , out of fmacs %d", VU->cycle);
 
+	if (i < 8) {
+		VUM_LOG("adding FMAC pipe[%d]; xyzw=%x", i, xyzw);
 
-	VUM_LOG("adding FMAC pipe[%d]; xyzw=%x", i, xyzw);
-
-	VU->fmac[i].enable = 1;
-	VU->fmac[i].sCycle = VU->cycle;
-	VU->fmac[i].Cycle = 3;
-	VU->fmac[i].reg = reg;
-	VU->fmac[i].xyzw = xyzw;
-	VU->fmac[i].macflag = VU->macflag;
-	VU->fmac[i].statusflag = VU->statusflag;
-	VU->fmac[i].clipflag = VU->clipflag;
+		VU->fmac[i].enable = 1;
+		VU->fmac[i].sCycle = VU->cycle;
+		VU->fmac[i].Cycle = 3;
+		VU->fmac[i].reg = reg;
+		VU->fmac[i].xyzw = xyzw;
+		VU->fmac[i].macflag = VU->macflag;
+		VU->fmac[i].statusflag = VU->statusflag;
+		VU->fmac[i].clipflag = VU->clipflag;
+	} else {
+		//Console.Error("*PCSX2*: error , out of fmacs %d", VU->cycle);
+	}
 }
 
 static __ri void __fastcall _vuFDIVAdd(VURegs * VU, int cycles) {

pcsx2/gui/ConsoleLogger.cpp

@@ -948,7 +948,10 @@ void ConsoleLogFrame::DoFlushEvent( bool isPending )
 		} while( --m_WaitingThreadsForFlush > 0 );
 
 		int count = m_sem_QueueFlushed.Count();
-		while( count < 0 ) m_sem_QueueFlushed.Post();
+		while( count < 0 ) {
+			m_sem_QueueFlushed.Post();
+			count = m_sem_QueueFlushed.Count();
+		}
 	}
 
 	m_pendingFlushMsg = isPending;

pcsx2/x86/BaseblockEx.h

@@ -73,7 +73,7 @@ public:
 	}
 
 	BaseBlockArray (s32 size) : _Reserved(0),
-		_Size(0)
+		_Size(0), blocks(NULL)
 	{
 		if(size > 0) {
 			resize(size);

pcsx2/x86/ix86-32/iR5900-32.cpp

@@ -710,7 +710,7 @@ static void recResetRaw()
 
 	maxrecmem = 0;
 
-	memset(recConstBuf, 0, RECCONSTBUF_SIZE * sizeof(recConstBuf));
+	memset(recConstBuf, 0, RECCONSTBUF_SIZE * sizeof(*recConstBuf));
 
 	if( s_pInstCache )
 		memset( s_pInstCache, 0, sizeof(EEINST)*s_nInstCacheSize );

plugins/GSdx/GS.cpp

@@ -1670,6 +1670,8 @@ EXPORT_C GSReplay(char* lpszCmdLine, int renderer)
 			sleep(1);
 		} else {
 			unsigned long end = timeGetTime();
+			frame_number = std::max(1ul, frame_number); // avoid a potential division by 0
+
 			fprintf(stderr, "The %ld frames of the scene was render on %ldms\n", frame_number, end - start);
 			fprintf(stderr, "A means of %fms by frame\n", (float)(end - start)/(float)frame_number);
 

plugins/GSdx/GSRendererHW.cpp

@@ -81,7 +81,8 @@ void GSRendererHW::SetScaling() {
 	}
 	
 	
-	printf("Frame buffer size set to  %dx%d (%dx%d)\n", (m_width / m_upscale_multiplier), (m_height / m_upscale_multiplier), m_width, m_height);
+	if (m_upscale_multiplier)
+		printf("Frame buffer size set to  %dx%d (%dx%d)\n", (m_width / m_upscale_multiplier), (m_height / m_upscale_multiplier), m_width, m_height);
 }
 
 GSRendererHW::~GSRendererHW()
@@ -464,7 +465,8 @@ void GSRendererHW::Draw()
 		{
 			s = format("%05d_f%lld_rz0_%05x_%d.bmp", s_n, frame, context->ZBUF.Block(), context->ZBUF.PSM);
 
-			ds_tex->Save(root_hw+s);
+			if (ds_tex)
+				ds_tex->Save(root_hw+s);
 		}
 
 		s_n++;

plugins/GSdx/GSState.cpp

@@ -5250,7 +5250,7 @@ bool GSC_UrbanReign(const GSFrameInfo& fi, int& skip)
 {
 	if(skip == 0)
 	{
-		if(fi.TME && fi.FBP==0x0000 && fi.TBP0==0x3980 && fi.FPSM==fi.TPSM && fi.TPSM == PSM_PSMCT32 && fi.TPSM ==0  && fi.FBMSK == 0x0)
+		if(fi.TME && fi.FBP==0x0000 && fi.TBP0==0x3980 && fi.FPSM==fi.TPSM && fi.TPSM == PSM_PSMCT32 && fi.FBMSK == 0x0)
 		{
 			skip = 1;
 		}

plugins/LilyPad/Global.h

@@ -74,7 +74,7 @@ static inline int wcsicmp(const wchar_t* w1, const wchar_t* w2) {
 static inline unsigned int timeGetTime() {
 	struct timeval now;
 	gettimeofday(&now, NULL);
-	uint64_t ms = (now.tv_usec/1000) + (now.tv_sec * 1000);
+	uint64_t ms = (now.tv_usec/1000) + ((uint64_t)now.tv_sec * 1000);
 	return (ms & 0xFFFFFFFF); // MS code is u32 ...
 }
 

plugins/onepad/Linux/ini.cpp

@@ -171,15 +171,15 @@ void LoadConfig()
 	}
 
 	u32 value;
-	if (fscanf(f, "log = %d\n", &value) == 0) return;
+	if (fscanf(f, "log = %d\n", &value) == 0) goto error;
 	conf->log = value;
-	if (fscanf(f, "options = %d\n", &value) == 0) return;
+	if (fscanf(f, "options = %d\n", &value) == 0) goto error;
 	conf->options = value;
-	if (fscanf(f, "mouse_sensibility = %d\n", &value) == 0) return;
+	if (fscanf(f, "mouse_sensibility = %d\n", &value) == 0) goto error;
 	conf->sensibility = value;
-	if (fscanf(f, "joy_pad_map = %d\n", &value) == 0) return;
+	if (fscanf(f, "joy_pad_map = %d\n", &value) == 0) goto error;
 	conf->joyid_map = value;
-	if (fscanf(f, "ff_intensity = %d\n", &value) == 0) return;
+	if (fscanf(f, "ff_intensity = %d\n", &value) == 0) goto error;
 	conf->ff_intensity = value;
 
 	for (int pad = 0; pad < 2; pad++)
@@ -199,11 +199,13 @@ void LoadConfig()
 	u32 keysym;
 	u32 index;
 	while( fscanf(f, "PAD %d:KEYSYM 0x%x = %d\n", &pad, &keysym, &index) != EOF ) {
-		set_keyboad_key(pad, keysym, index);
+		set_keyboad_key(pad & 1, keysym, index);
 		if(pad == 0) have_user_setting = true;
 	}
 
+	if (!have_user_setting) DefaultKeyboardValues();
+
+error:
 	fclose(f);
 
-	if (!have_user_setting) DefaultKeyboardValues();
 }