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linux/crypto/seqiv.c
Herbert Xu baf0e2d1e0 crypto: seqiv - Do not use req->iv after crypto_aead_encrypt 
[ Upstream commit 50fdb78b7c ]

As soon as crypto_aead_encrypt is called, the underlying request
may be freed by an asynchronous completion.  Thus dereferencing
req->iv after it returns is invalid.

Instead of checking req->iv against info, create a new variable
unaligned_info and use it for that purpose instead.

Fixes: 0a270321db ("[CRYPTO] seqiv: Add Sequence Number IV Generator")
Reported-by: Xiumei Mu <xmu@redhat.com>
Reported-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-01-19 13:09:55 +01:00

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