BUG: Seems un-initialed dst pointer received from algif_aead when outlen is zero

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Hi,

For tag only AEAD decrypt operation(Zero length Payload). The dst sg
list pointer panic with general protection fault. I think it should be
NULL when output buffer is supposed to be empty.

Kcapi command to re-produce the issue

./kcapi -x 2   -c "gcm(aes)" -i 0d92aa861746b324f20ee6b7 -k
f4a6a5e5f2066f6dd9ec6fc5169c29043560ef595c9e81e76f42d29212cc581c -a ""
-t "5f24c68cbe6f32c29652442bf5d483ad" -q ""

Its decrypt operation. Expected result should be EBADMSG.


Regards
Harsh Jain



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