420f236d31
There are concurrent threads that are accessing and modifying
IMAPWorker.seqMap (the mapping of sequence numbers to message UIDs).
This can lead to crashes when trying to add and remove a message ID.
panic: runtime error: index out of range [391] with length 390
goroutine 1834 [running]:
git.sr.ht/~rjarry/aerc/logging.PanicHandler()
logging/panic-logger.go:47 +0x6de
panic({0xa41760, 0xc0019b3290})
/usr/lib/golang/src/runtime/panic.go:838 +0x207
git.sr.ht/~rjarry/aerc/worker/imap.(*IMAPWorker).handleFetchMessages.func1()
worker/imap/fetch.go:214 +0x185
created by git.sr.ht/~rjarry/aerc/worker/imap.(*IMAPWorker).handleFetchMessages
worker/imap/fetch.go:209 +0x12b
Use a map which makes more sense than a simple array for random access
operations. Also, it allows better typing for the key values. Protect
the map with a mutex. Add internal API to access the map. Add basic unit
tests to ensure that concurrent access works.
Fixes: https://todo.sr.ht/~rjarry/aerc/49
Signed-off-by: Robin Jarry <robin@jarry.cc>
Acked-by: Moritz Poldrack <moritz@poldrack.dev>
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|---|---|---|
| .. | ||
| handlers | ||
| imap | ||
| lib | ||
| maildir | ||
| notmuch | ||
| types | ||
| handler_notmuch.go | ||
| worker.go | ||
| worker_enabled.go | ||