What does this error report mean?

Below is my error report. I got it after I was trying to download a torrent. I hit the download button, my mac crashed, rebooted and then asked me if I wanted to see the report. Any help would be greatly appreciated.

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Anonymous UUID: 9D570DAB-A744-7636-14E4-77CE77359362

Wed Sep 30 10:28:24 2015

• Panic Report ***

panic(cpu 2 caller 0xffffff8001417cc2): Kernel trap at 0xffffff800185d4e0, type 14=page fault, registers:

CR0: 0x0000000080010033, CR2: 0x000000000000004b, CR3: 0x000000014a2a3088, CR4: 0x00000000001626e0

RAX: 0x0000000000000003, RBX: 0xffffff800da49e80, RCX: 0xffffff800bca3530, RDX: 0xffffff800fa16f44

RSP: 0xffffff809bbcbd60, RBP: 0xffffff809bbcbd80, RSI: 0xffffff8001b12cb0, RDI: 0xffffff800fa16f44

R8: 0x0000000000000000, R9: 0xffffff80048ff158, R10: 0x0000000000000000, R11: 0x00000000000002d0

R12: 0x0000000000000002, R13: 0xffffff800fa16f44, R14: 0xffffff800fa16f44, R15: 0x0000000000000001

RFL: 0x0000000000010246, RIP: 0xffffff800185d4e0, CS: 0x0000000000000008, SS: 0x0000000000000010

Fault CR2: 0x000000000000004b, Error code: 0x0000000000000000, Fault CPU: 0x2

Backtrace (CPU 2), Frame : Return Address

0xffffff809bbcba10 : 0xffffff800132bda1

0xffffff809bbcba90 : 0xffffff8001417cc2

0xffffff809bbcbc50 : 0xffffff8001434b73

0xffffff809bbcbc70 : 0xffffff800185d4e0

0xffffff809bbcbd80 : 0xffffff800187953e

0xffffff809bbcbda0 : 0xffffff80013df4cf

0xffffff809bbcbde0 : 0xffffff80013e7cef

0xffffff809bbcbe10 : 0xffffff800133000c

0xffffff809bbcbe40 : 0xffffff80013149f3

0xffffff809bbcbe90 : 0xffffff800132531d

0xffffff809bbcbf10 : 0xffffff80014031ea

0xffffff809bbcbfb0 : 0xffffff8001435396

BSD process name corresponding to current thread: com.apple.WebKit

Mac OS version:

14E46

Kernel version:

Darwin Kernel Version 14.4.0: Thu May 28 11:35:04 PDT 2015; root:xnu-2782.30.5~1/RELEASE_X86_64

Kernel UUID: E3C26B2F-8B97-3F1D-B193-690F7E34F830

Kernel slide: 0x0000000001000000

Kernel text base: 0xffffff8001200000

__HIB text base: 0xffffff8001100000

System model name: MacBookPro9,2 (Mac-6F01561E16C75D06)

System uptime in nanoseconds: 7701462722019

last loaded kext at 6083739944441: com.apple.driver.AppleUSBTCKeyEventDriver 240.2 (addr 0xffffff7f83cd9000, size 12288)

last unloaded kext at 6216249316252: com.apple.driver.AppleUSBCDC 4.3.3b1 (addr 0xffffff7f83cd3000, size 16384)

loaded kexts:

com.apple.filesystems.smbfs 3.0.1

com.apple.driver.AudioAUUC 1.70

com.apple.driver.AGPM 110.19.6

com.apple.driver.X86PlatformShim 1.0.0

com.apple.filesystems.autofs 3.0

com.apple.iokit.IOBluetoothSerialManager 4.3.5f8

com.apple.driver.AppleOSXWatchdog 1

com.apple.driver.AppleMikeyHIDDriver 124

com.apple.driver.AppleHDA 272.18.1

com.apple.driver.AppleMikeyDriver 272.18.1

com.apple.iokit.IOUserEthernet 1.0.1

com.apple.Dont_Steal_Mac_OS_X 7.0.0

com.apple.driver.AppleHWAccess 1

com.apple.driver.AppleHV 1

com.apple.driver.AppleUpstreamUserClient 3.6.1

com.apple.driver.AppleThunderboltIP 2.0.2

com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.5f8

com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0

com.apple.driver.AppleSMCLMU 2.0.7d0

com.apple.driver.AppleSMCPDRC 1.0.0

com.apple.driver.AppleLPC 1.7.3

com.apple.driver.AppleBacklight 170.7.4

com.apple.driver.AppleMCCSControl 1.2.12

com.apple.driver.AppleIntelHD4000Graphics 10.0.6

com.apple.driver.AppleIntelFramebufferCapri 10.0.6

com.apple.driver.SMCMotionSensor 3.0.4d1

com.apple.driver.AppleUSBTCButtons 240.2

com.apple.driver.AppleIRController 327.5

com.apple.driver.AppleUSBTCKeyboard 240.2

com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1

com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0

com.apple.BootCache 36

com.apple.driver.AppleUSBHub 705.4.2

com.apple.iokit.SCSITaskUserClient 3.7.5

com.apple.driver.XsanFilter 404

com.apple.iokit.IOAHCIBlockStorage 2.7.1

com.apple.driver.AppleFWOHCI 5.5.2

com.apple.driver.AppleSDXC 1.6.5

com.apple.iokit.AppleBCM5701Ethernet 10.1.3

com.apple.driver.AirPort.Brcm4360 930.37.3

com.apple.driver.AppleAHCIPort 3.1.2

com.apple.driver.AppleUSBXHCI 710.4.11

com.apple.driver.AppleUSBEHCI 705.4.14

com.apple.driver.AppleSmartBatteryManager 161.0.0

com.apple.driver.AppleACPIButtons 3.1

com.apple.driver.AppleRTC 2.0

com.apple.driver.AppleHPET 1.8

com.apple.driver.AppleSMBIOS 2.1

com.apple.driver.AppleACPIEC 3.1

com.apple.driver.AppleAPIC 1.7

com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0

com.apple.nke.applicationfirewall 161

com.apple.security.quarantine 3

com.apple.security.TMSafetyNet 8

com.apple.driver.AppleIntelCPUPowerManagement 218.0.0

com.apple.kext.triggers 1.0

com.apple.iokit.IOSerialFamily 11

com.apple.driver.DspFuncLib 272.18.1

com.apple.kext.OSvKernDSPLib 1.15

com.apple.iokit.IOFireWireIP 2.2.6

com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.5f8

com.apple.iokit.IOBluetoothFamily 4.3.5f8

com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0

com.apple.driver.AppleHDAController 272.18.1

com.apple.iokit.IOHDAFamily 272.18.1

com.apple.iokit.IOAudioFamily 203.3

com.apple.vecLib.kext 1.2.0

com.apple.driver.X86PlatformPlugin 1.0.0

com.apple.driver.AppleSMBusPCI 1.0.12d1

com.apple.iokit.IOUSBUserClient 705.4.0

com.apple.driver.IOPlatformPluginFamily 5.9.1d7

com.apple.driver.AppleBacklightExpert 1.1.0

com.apple.driver.AppleSMBusController 1.0.13d1

com.apple.iokit.IOSurface 97.4

com.apple.iokit.IONDRVSupport 2.4.1

com.apple.iokit.IOAcceleratorFamily2 156.16

com.apple.AppleGraphicsDeviceControl 3.10.24

com.apple.iokit.IOGraphicsFamily 2.4.1

com.apple.driver.AppleSMC 3.1.9

com.apple.driver.AppleUSBMultitouch 245.2

com.apple.iokit.IOUSBHIDDriver 705.4.0

com.apple.driver.AppleUSBMergeNub 705.4.0

com.apple.driver.AppleUSBComposite 705.4.9

com.apple.driver.CoreStorage 471.30.1

com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.5

com.apple.iokit.IOBDStorageFamily 1.7

com.apple.iokit.IODVDStorageFamily 1.7.1

com.apple.iokit.IOCDStorageFamily 1.7.1

com.apple.driver.AppleThunderboltDPInAdapter 4.0.6

com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6

com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2

com.apple.iokit.IOAHCISerialATAPI 2.6.1

com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.5

com.apple.driver.AppleThunderboltNHI 3.1.7

com.apple.iokit.IOThunderboltFamily 4.2.2

com.apple.iokit.IOFireWireFamily 4.5.7

com.apple.iokit.IOEthernetAVBController 1.0.3b3

com.apple.iokit.IO80211Family 730.60

com.apple.driver.mDNSOffloadUserClient 1.0.1b8

com.apple.iokit.IONetworkingFamily 3.2

com.apple.iokit.IOAHCIFamily 2.7.5

com.apple.iokit.IOUSBFamily 720.4.4

com.apple.driver.AppleEFINVRAM 2.0

com.apple.iokit.IOHIDFamily 2.0.0

com.apple.driver.AppleEFIRuntime 2.0

com.apple.iokit.IOSMBusFamily 1.1

com.apple.security.sandbox 300.0

com.apple.kext.AppleMatch 1.0.0d1

com.apple.driver.AppleKeyStore 2

com.apple.driver.AppleMobileFileIntegrity 1.0.5

com.apple.driver.AppleCredentialManager 1.0

com.apple.driver.DiskImages 397

com.apple.iokit.IOStorageFamily 2.0

com.apple.iokit.IOReportFamily 31

com.apple.driver.AppleFDEKeyStore 28.30

com.apple.driver.AppleACPIPlatform 3.1

com.apple.iokit.IOPCIFamily 2.9

com.apple.iokit.IOACPIFamily 1.4

com.apple.kec.corecrypto 1.0

com.apple.kec.Libm 1

com.apple.kec.pthread 1

Model: MacBookPro9,2, BootROM MBP91.00D3.B0B, 2 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 2.2f44

Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In

Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x802C, 0x384A54463235363634485A2D3147364D3120

Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x802C, 0x384A54463235363634485A2D3147364D3120

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (7.15.166.24.3)

Bluetooth: Version 4.3.5f8 15969, 3 services, 18 devices, 1 incoming serial ports

Network Service: Wi-Fi, AirPort, en1

Serial ATA Device: APPLE HDD HTS547550A9E384, 500.11 GB

Serial ATA Device: MATSHITADVD-R UJ-8A8

USB Device: Hub

USB Device: Hub

USB Device: IR Receiver

USB Device: Apple Internal Keyboard / Trackpad

USB Device: BRCM20702 Hub

USB Device: Bluetooth USB Host Controller

USB Device: Hub

USB Device: FaceTime HD Camera (Built-in)

Thunderbolt Bus: MacBook Pro, Apple Inc., 25.1