0.99.1 http: panic serving 127.0.0.1:55536: runtime error: invalid memory address or nil pointer dereference

[twu2]

AdGuardHome 0.99.1 Linux x64.
for empty users setting, it will cause http server panic
same setting rollback to 0.99.0 work fine.
for 0.99.1 version, add user/password setting will avoid this bug.

here is the log.

Oct 25 01:14:59 mail AdGuardHome[3368191]: 2019/10/25 01:14:59 http: panic serving 127.0.0.1:55536: runtime error: invalid memory address or nil pointer dereference
Oct 25 01:14:59 mail AdGuardHome[3368191]: goroutine 595 [running]:
Oct 25 01:14:59 mail AdGuardHome[3368191]: net/http.(*conn).serve.func1(0xc002e9e5a0)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/net/http/server.go:1769 +0x139
Oct 25 01:14:59 mail AdGuardHome[3368191]: panic(0xa3d7c0, 0x1206f30)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/runtime/panic.go:522 +0x1b5
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.(*Auth).GetCurrentUser(0xc000104030, 0xc000120500, 0x203000, 0x203000, 0x12c, 0x12d)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/auth.go:466 +0x9b
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.handleGetProfile(0xd897c0, 0xc0001761c0, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/control.go:386 +0x3e
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.ensure.func1(0xd897c0, 0xc0001761c0, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/helpers.go:42 +0x1f8
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.(*httpHandler).ServeHTTP(0xc00018a0f0, 0xd897c0, 0xc0001761c0, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/helpers.go:60 +0x47
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/NYTimes/gziphandler.GzipHandlerWithOpts.func1.1(0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/pkg/mod/github.com/!n!y!times/gziphandler@v1.1.1/gzip.go:336 +0x210
Oct 25 01:14:59 mail AdGuardHome[3368191]: net/http.HandlerFunc.ServeHTTP(0xc000243050, 0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/net/http/server.go:1995 +0x44
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.optionalAuth.func1(0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/auth.go:404 +0x100
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.(*authHandler).ServeHTTP(0xc0001f06b0, 0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/auth.go:413 +0xa3
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.postInstall.func1(0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/helpers.go:140 +0x1cc
Oct 25 01:14:59 mail AdGuardHome[3368191]: github.com/AdguardTeam/AdGuardHome/home.(*postInstallHandlerStruct).ServeHTTP(0xc0001f06c0, 0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/gopath/src/github.com/AdguardTeam/AdGuardHome/home/helpers.go:149 +0xa3
Oct 25 01:14:59 mail AdGuardHome[3368191]: net/http.(*ServeMux).ServeHTTP(0x121cc60, 0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/net/http/server.go:2375 +0x1d6
Oct 25 01:14:59 mail AdGuardHome[3368191]: net/http.serverHandler.ServeHTTP(0xc0000948f0, 0xd89680, 0xc0002c2c40, 0xc000120500)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/net/http/server.go:2774 +0xa8
Oct 25 01:14:59 mail AdGuardHome[3368191]: net/http.(*conn).serve(0xc002e9e5a0, 0xd8b680, 0xc003038e40)
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/net/http/server.go:1878 +0x851
Oct 25 01:14:59 mail AdGuardHome[3368191]: created by net/http.(*Server).Serve
Oct 25 01:14:59 mail AdGuardHome[3368191]: #11/home/travis/.gimme/versions/go1.12.12.linux.amd64/src/net/http/server.go:2884 +0x2f4