panic: cannot create context from nil parent

goroutine 1 [running]:
context.WithDeadline({0x0?, 0x0?}, {0x5a46a80?, 0x53d1ac1000?, 0x5a46a80?})
	/usr/local/go/src/context/context.go:436 +0x41b
context.WithTimeout({0x0, 0x0}, 0xc0000f6f80?)
	/usr/local/go/src/context/context.go:507 +0x4a
code.gitea.io/gitea/modules/process.(*Manager).AddContextTimeout(0x1?, {0x0?, 0x0?}, 0x6?, {0xc002751130, 0x4f})
	/source/modules/process/manager.go:114 +0x52
code.gitea.io/gitea/modules/git.(*Command).Run(0xc0005009a0, 0x1c?)
	/source/modules/git/command.go:208 +0x405
code.gitea.io/gitea/modules/git.EnsureValidGitRepository({0x0?, 0x0}, {0xc00275a480, 0x34})
	/source/modules/git/batch_reader.go:37 +0x2e9
code.gitea.io/gitea/modules/git.OpenRepository({0x0?, 0x0}, {0xc00275a480?, 0x6?})
	/source/modules/git/repo_base_nogogit.go:53 +0x85
code.gitea.io/gitea/models/migrations.fixPublisherIDforTagReleases(0x2?)
	/source/models/migrations/v156.go:112 +0x76a
code.gitea.io/gitea/models/migrations.(*migration).Migrate(0x1?, 0x21?)
	/source/models/migrations/migrations.go:50 +0x22
code.gitea.io/gitea/models/migrations.Migrate(0xc002758280)
	/source/models/migrations/migrations.go:504 +0x778
code.gitea.io/gitea/models/db.InitEngineWithMigration({0x3e6e490?, 0xc0000c0000?}, 0x384be18)
	/source/models/db/engine.go:191 +0x5f
code.gitea.io/gitea/cmd.runMigrate(0xc0005b11e0?)
	/source/cmd/migrate.go:40 +0x2b6
github.com/urfave/cli.HandleAction({0x2630a20?, 0x384bc10?}, 0x7?)
	/go/pkg/mod/github.com/urfave/[email protected]/app.go:524 +0xa8
github.com/urfave/cli.Command.Run({{0x2ac23a0, 0x7}, {0x0, 0x0}, {0x0, 0x0, 0x0}, {0x2be946c, 0x14}, {0x0, ...}, ...}, ...)
	/go/pkg/mod/github.com/urfave/[email protected]/command.go:173 +0x652
github.com/urfave/cli.(*App).Run(0xc0005cd180, {0xc000096040, 0x4, 0x4})
	/go/pkg/mod/github.com/urfave/[email protected]/app.go:277 +0x8a7
main.main()
	/source/main.go:116 +0xcf9