Merge branch 'netlink-annotate-various-data-races'

Eric Dumazet says:

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netlink: annotate various data races

A recent syzbot report came to my attention.

After addressing it, I also fixed other related races.
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Link: https://lore.kernel.org/r/20230120125955.3453768-1-edumazet@google.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>