On Thu, Nov 10, 2022 at 10:03:53AM +0800, liulongfang wrote: . > This problem occurs in the application code of the encryption usage scenario > (unfortunately, these codes are not open to the public and cannot be given to you), Are you saying this requires out-of-tree kernel code to trigger? Then you should fix that out-of-tree code. Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt