crypto: api - Do not zap spawn->alg

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Currently when a spawn is removed we will zap its alg field.
This is racy because the spawn could belong to an unregistered
instance which may dereference the spawn->alg field.

This patch fixes this by keeping spawn->alg constant and instead
adding a new spawn->dead field to indicate that a spawn is going
away.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Herbert Xu 2019-12-07 22:15:17 +08:00

parent 73669cc556

commit 4f87ee118d

2 changed files with 13 additions and 10 deletions

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include/crypto/algapi.h

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