Migrating repo from GitHub with issues will cause panic

[wolfogre]

Description

Logs

2023/06/14 13:18:55 ...ices/task/migrate.go:47:func1() [E] PANIC during runMigrateTask[3] by DoerID[1] to RepoID[12] for OwnerID[1]: runtime error: invalid memory address or nil pointer dereference
Stacktrace: /usr/local/Cellar/go/1.20.5/libexec/src/runtime/panic.go:260 (0x1000533fc)
	panicmem: panic(memoryError)
/usr/local/Cellar/go/1.20.5/libexec/src/runtime/signal_unix.go:841 (0x1000533cc)
	sigpanic: panicmem()
/Users/jason/code/gitea/gitea/services/migrations/github.go:490 (0x101dbf6fa)
	(*GithubDownloaderV3).GetIssues: Closed:       &issue.ClosedAt.Time,
/Users/jason/code/gitea/gitea/modules/migration/retry_downloader.go:142 (0x1012cdf6b)
	(*RetryDownloader).GetIssues.func1: issues, isEnd, err = d.Downloader.GetIssues(page, perPage)
/Users/jason/code/gitea/gitea/modules/migration/retry_downloader.go:37 (0x1012cd529)
	(*RetryDownloader).retry: if err = work(); err == nil {
/Users/jason/code/gitea/gitea/modules/migration/retry_downloader.go:141 (0x1012cdeac)
	(*RetryDownloader).GetIssues: err = d.retry(func() error {
/Users/jason/code/gitea/gitea/services/migrations/migrate.go:333 (0x101dceb08)
	migrateRepository: issues, isEnd, err := downloader.GetIssues(i, issueBatchSize)
/Users/jason/code/gitea/gitea/services/migrations/migrate.go:130 (0x101dcd67c)
	MigrateRepository: if err := migrateRepository(doer, downloader, uploader, opts, messenger); err != nil {
/Users/jason/code/gitea/gitea/services/task/migrate.go:124 (0x1020c64e4)
	runMigrateTask: t.Repo, err = migrations.MigrateRepository(ctx, t.Doer, t.Owner.Name, *opts, func(format string, args ...interface{}) {
/Users/jason/code/gitea/gitea/services/task/task.go:32 (0x1020c7424)
	Run: return runMigrateTask(t)
/Users/jason/code/gitea/gitea/services/task/task.go:50 (0x1020c76cd)
	handler: if err := Run(task); err != nil {
/Users/jason/code/gitea/gitea/modules/queue/workerqueue.go:246 (0x1017a0e9c)
	NewWorkerPoolQueueWithContext[...].func1: return w.origHandler(t...)
/Users/jason/code/gitea/gitea/modules/queue/workergroup.go:98 (0x1017a368d)
	(*WorkerPoolQueue[...]).doWorkerHandle: unhandled := q.safeHandler(batch...)
/Users/jason/code/gitea/gitea/modules/queue/workergroup.go:162 (0x1017a08a8)
	(*WorkerPoolQueue[...]).doStartNewWorker.func1: q.doWorkerHandle(batch)
/usr/local/Cellar/go/1.20.5/libexec/src/runtime/asm_amd64.s:1598 (0x100073c60)
	goexit: BYTE	$0x90	// NOP
2023/06/14 13:18:55 ...ices/task/migrate.go:60:func1() [E] runMigrateTask[3] by DoerID[1] to RepoID[12] for OwnerID[1] failed: PANIC whilst trying to do migrate task: runtime error: invalid memory address or nil pointer dereference
2023/06/14 13:18:56 ...ervices/task/task.go:51:handler() [E] Run task failed: PANIC whilst trying to do migrate task: runtime error: invalid memory address or nil pointer dereference

Gitea Version

020ab3d

Can you reproduce the bug on the Gitea demo site?

Yes

Log Gist

No response

Screenshots

No response

Git Version

No response

Operating System

No response

How are you running Gitea?

Command.

Database

PostgreSQL