ksmbd: fix kfree of uninitialized pointer oid

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Currently function ksmbd_neg_token_init_mech_type can kfree an
uninitialized pointer oid when the call to asn1_oid_decode fails when
vlen is out of range. All the other failure cases in function
asn1_oid_decode set *oid to NULL on an error, so fix the issue by
ensuring the vlen out of range error also nullifies the pointer.

Addresses-Coverity: ("Uninitialized pointer read")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

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Colin Ian King 2021-06-18 09:54:53 +09:00 • committed by Namjae Jeon

parent 99f45259fe

commit 5fb6886467

1 changed files with 2 additions and 1 deletions

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fs/cifsd/asn1.c

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