ksmbd: fix deadlock in ksmbd_find_crypto_ctx()

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Deadlock is triggered by sending multiple concurrent session setup
requests. It should be reused after releasing when getting ctx for crypto.
Multiple consecutive ctx uses cause deadlock while waiting for releasing
due to the limited number of ctx.

Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20591
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

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Namjae Jeon 2023-05-03 08:44:14 +09:00 • committed by Steve French

parent b096d97f47

commit 7b4323373d

1 changed files with 11 additions and 8 deletions

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fs/ksmbd/auth.c

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