The crash log is as follows:

"AdapterDeviceID: 0x0166 AdapterVendorID: 0x8086 Add-ons: webcompat%40mozilla.org:1.1,aushelper%40mozilla.org:2.0,firefox%40getpocket.com:1.0.5,shield-recipe-client%40mozilla.org:76.1,screenshots%40mozilla.org:19.2.0,followonsearch%40mozilla.com:0.9.6,e10srollout%40mozilla.org:3.05,onboarding%40mozilla.org:1.0,formautofill%40mozilla.org:1.0,activity-stream%40mozilla.org:2017.11.07.1100-7f4e3634,%7B972ce4c6-7e08-4474-a285-3208198ce6fd%7D:57.0,%7B443830f0-1fff-4f9a-aa1e-444bafbc7319%7D:0.0.23 AddonsShouldHaveBlockedE10s: 0 BuildID: 20171112125346 ContentSandboxCapable: 1 ContentSandboxLevel: 3 CrashTime: 1511418117 DOMIPCEnabled: 1 E10SCohort: webextensions-multiBucket4 EMCheckCompatibility: true EventLoopNestingLevel: 1 FramePoisonBase: 9223372036600930304 FramePoisonSize: 4096 InstallTime: 1511361635 Notes: AdapterVendorID: 0x8086, AdapterDeviceID: 0x0166FP(D00-L1000-W00000000-T010) WR? WR- GL Layers? GL Context? GL Context+ GL Layers+ WebGL? WebGL+ ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox ReleaseChannel: release SafeMode: 0 SecondsSinceLastCrash: 1199 StartupCrash: 0 StartupTime: 1511416923 TelemetryEnvironment: {"build":{"applicationId":"{ec8030f7-c20a-464f-9b0e-13a3a9e97384}","applicationName":"Firefox","architecture":"x86-64","buildId":"20171112125346","version":"57.0","vendor":"Mozilla","platformVersion":"57.0","xpcomAbi":"x86_64-gcc3","hotfixVersion":null,"updaterAvailable":true},"partner":{"distributionId":null,"distributionVersion":null,"partnerId":null,"distributor":null,"distributorChannel":null,"partnerNames":[]},"system":{"memoryMB":16384,"virtualMaxMB":null,"cpu":{"count":4,"cores":2,"vendor":"GenuineIntel","family":6,"model":58,"stepping":9,"l2cacheKB":256,"l3cacheKB":3072,"speedMHz":2500,"extensions":["hasMMX","hasSSE","hasSSE2","hasSSE3","hasSSSE3","hasSSE4_1","hasSSE4_2","hasAVX","hasAES"]},"os":{"name":"Darwin","version":"17.2.0","locale":"et-EE"},"hdd":{"profile":{"model":null,"revision":null},"binary":{"model":null,"revision":null},"system":{"model":null,"revision":null}},"gfx":{"D2DEnabled":null,"DWriteEnabled":null,"ContentBackend":"Skia","adapters":[{"description":null,"vendorID":"0x8086","deviceID":"0x0166","subsysID":null,"RAM":null,"driver":null,"driverVersion":null,"driverDate":null,"GPUActive":true}],"monitors":[{"screenWidth":1280,"screenHeight":800,"scale":1}],"features":{"compositor":"opengl","gpuProcess":{"status":"unused"}}},"appleModelId":"MacBookPro9,2"},"settings":{"attribution":{},"blocklistEnabled":true,"e10sEnabled":true,"e10sMultiProcesses":4,"e10sCohort":"webextensions-multiBucket4","telemetryEnabled":false,"locale":"et","update":{"channel":"release","enabled":true,"autoDownload":true},"userPrefs":{"browser.cache.disk.capacity":358400,"browser.newtabpage.enhanced":true,"browser.shell.checkDefaultBrowser":false,"browser.search.widget.inNavBar":false},"sandbox":{"effectiveContentProcessLevel":3},"addonCompatibilityCheckEnabled":true,"isDefaultBrowser":false,"defaultSearchEngine":"google-nocodes","defaultSearchEngineData":{"name":"Google","loadPath":"jar:[app]/omni.ja!browser/google-nocodes.xml","origin":"default","submissionURL":"https://www.google.com/search?q=&ie=utf-8&oe=utf-8"}},"profile":{"creationDate":16703,"resetDate":17492},"experiments":{"e10sCohort":{"branch":"webextensions-multiBucket4"}},"addons":{"activeAddons":{"{443830f0-1fff-4f9a-aa1e-444bafbc7319}":{"version":"0.0.23","scope":8,"type":"extension","updateDay":17186,"isSystem":false,"isWebExtension":true,"multiprocessCompatible":true,"blocklisted":false,"description":"Use your eID smart card on the web","name":"Token signing","userDisabled":false,"appDisabled":false,"foreignInstall":true,"hasBinaryComponents":false,"installDay":17186,"signedState":2},"firefox@getpocket.com":{"version":"1.0.5","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"When you find something you want to view later, put it in Pocket.","name":"Pocket","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17482},"webcompat@mozilla.org":{"version":"1.1","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"Urgent post-release fixes for web compatibility.","name":"Web Compat","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17490},"aushelper@mozilla.org":{"version":"2.0","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"Sets value(s) in the update url based on custom checks.","name":"Application Update Service Helper","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17490},"shield-recipe-client@mozilla.org":{"version":"76.1","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"Client to download and run recipes for SHIELD, Heartbeat, etc.","name":"Shield Recipe Client","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17490},"screenshots@mozilla.org":{"version":"19.2.0","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":null,"name":"Firefox Screenshots","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17490},"followonsearch@mozilla.com":{"version":"0.9.6","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":null,"name":"Follow-on Search Telemetry","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17490},"e10srollout@mozilla.org":{"version":"3.05","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"Staged rollout of Firefox multi-process feature.","name":"Multi-process staged rollout","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17381},"onboarding@mozilla.org":{"version":"1.0","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"Photon onboarding","name":"Photon onboarding","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17493},"formautofill@mozilla.org":{"version":"1.0","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"Autofill forms with saved profiles","name":"Form Autofill","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17493},"activity-stream@mozilla.org":{"version":"2017.11.07.1100-7f4e3634","scope":1,"type":"extension","updateDay":17482,"isSystem":true,"isWebExtension":false,"multiprocessCompatible":true,"blocklisted":false,"description":"A rich visual history feed and a reimagined home page make it easier than ever to find exactly what ","name":"Activity Stream","userDisabled":false,"appDisabled":false,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17493}},"theme":{"id":"{972ce4c6-7e08-4474-a285-3208198ce6fd}","blocklisted":false,"description":"Vaikimisi teema.","name":"Vaikimisi","userDisabled":false,"appDisabled":false,"version":"57.0","scope":4,"foreignInstall":false,"hasBinaryComponents":false,"installDay":17482,"updateDay":17482},"activePlugins":[{"name":"Shockwave Flash","version":"22.0.0.192","description":"Shockwave Flash 22.0 r0","blocklisted":false,"disabled":false,"clicktoplay":true,"mimeTypes":["application/x-shockwave-flash","application/futuresplash"],"updateDay":16978}],"activeGMPlugins":{"gmp-gmpopenh264":{"version":"1.7.1","userDisabled":false,"applyBackgroundUpdates":1},"gmp-widevinecdm":{"version":"1.4.8.1008","userDisabled":false,"applyBackgroundUpdates":1}},"activeExperiment":{},"persona":null}} TextureUsage: 95681920 Theme: classic/1.0 ThreadIdNameMapping: 7:"Gecko_IOThread",8:"Timer",9:"Socket Thread",10:"JS Watchdog",21:"Hang Monitor",22:"Cache2 I/O",25:"GMPThread",26:"Compositor",27:"ImgDecoder #1",28:"ImgDecoder #2",29:"ImgDecoder #3",30:"ImageIO",30:"IPDL Background",31:"DOM Worker",34:"HTML5 Parser",35:"localStorage DB",39:"ImageBridgeChild",40:"LoadRoots",41:"SysProxySetting",42:"ProxyResolution",43:"DataStorage",44:"URL Classifier",46:"DataStorage",47:"Classifier Update",48:"DataStorage",49:"SaveScripts",50:"Cache I/O",51:"mozStorage #1",52:"DOM Worker",54:"mozStorage #2",55:"mozStorage #3",57:"QuotaManager IO",57:"DOM Worker",58:"DOM Worker",63:"mozStorage #4",64:"ProcessHangMon",68:"mozStorage #5",71:"mozStorage #7",66:"DNS Resolver #10",67:"mozStorage #8",63:"DNS Resolver #14",64:"DNS Resolver #15",65:"DNS Resolver #16",69:"DNS Resolver #17",70:"DNS Resolver #18",69:"StreamTrans #24", Throttleable: 1 URL: about:preferences#privacy UptimeTS: 1193.8985931 Vendor: Mozilla Version: 57.0 useragent_locale: et"

Hello, not really easy to understand this report in this condition. Please type about:crashes in your URL bar and you give us the crash id.

Sorry, was unaware of that function.

CC279EC3-1B08-4387-B127-458137C3C0D4

Hello, did you send your bug to Mozilla? I do not find it in the database.