commit | c90f89fc780e0dd7793dd56e6bfad1b0dac7ad4d | [log] [tgz] |
---|---|---|
author | Rebecca Stambler <rstambler@golang.org> | Thu Dec 05 19:17:56 2019 -0500 |
committer | Rebecca Stambler <rstambler@golang.org> | Fri Dec 06 18:54:32 2019 +0000 |
tree | 791586a648ae92d5684ead68858cc8c0ee33fe9d | |
parent | 5a11726a162d7c305c38568365be93b7ba1f5e5f [diff] |
internal/lsp: fix concurrent map write in file invalidation The invalidateContent function does not acquire a snapshot's mutex to avoid blocking other work (even though it probably should since it's only called after a context is canceled). A case was added to iterate through files when a file is created, and it did not respect the fact that the snapshot's mutex was not locked, resulting in a concurrent map read and write. This change makes sure that the access of the snapshot's files map is guarded by a mutex. As a follow-up, we should just acquire snapshot.mu in invalidateContent. Updates golang/go#36006 Change-Id: Idd904ae582055ce786062df50875ac7f0896fd1c Reviewed-on: https://go-review.googlesource.com/c/tools/+/210199 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com> (cherry picked from commit db903f390e86fb3c8432384267eb272105f29479) Reviewed-on: https://go-review.googlesource.com/c/tools/+/210203
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