On Thu, Dec 15, 2022 at 06:02:52PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The selftest code is built into the x509_key_parser module, and depends > on the pkcs7_message_parser module, which in turn has a dependency on > the key parser, creating a dependency loop and a resulting link > failure when the pkcs7 code is a loadable module: > > ld: crypto/asymmetric_keys/selftest.o: in function `fips_signature_selftest': > crypto/asymmetric_keys/selftest.c:205: undefined reference to `pkcs7_parse_message' > ld: crypto/asymmetric_keys/selftest.c:209: undefined reference to `pkcs7_supply_detached_data' > ld: crypto/asymmetric_keys/selftest.c:211: undefined reference to `pkcs7_verify' > ld: crypto/asymmetric_keys/selftest.c:215: undefined reference to `pkcs7_validate_trust' > ld: crypto/asymmetric_keys/selftest.c:219: undefined reference to `pkcs7_free_message' > > Avoid this by only allowing the selftest to be enabled when either > both parts are loadable modules, or both are built-in. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > crypto/asymmetric_keys/Kconfig | 2 +- > crypto/asymmetric_keys/pkcs7_verify.c | 1 + > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/crypto/asymmetric_keys/Kconfig b/crypto/asymmetric_keys/Kconfig > index 3df3fe4ed95f..1ef3b46d6f6e 100644 > --- a/crypto/asymmetric_keys/Kconfig > +++ b/crypto/asymmetric_keys/Kconfig > @@ -83,6 +83,6 @@ config FIPS_SIGNATURE_SELFTEST > for FIPS. > depends on KEYS > depends on ASYMMETRIC_KEY_TYPE > - depends on PKCS7_MESSAGE_PARSER > + depends on PKCS7_MESSAGE_PARSER=X509_CERTIFICATE_PARSER > > endif # ASYMMETRIC_KEY_TYPE > diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c > index f6321c785714..4fa769c4bcdb 100644 > --- a/crypto/asymmetric_keys/pkcs7_verify.c > +++ b/crypto/asymmetric_keys/pkcs7_verify.c > @@ -485,3 +485,4 @@ int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7, > pkcs7->data_len = datalen; > return 0; > } > +EXPORT_SYMBOL_GPL(pkcs7_supply_detached_data); > -- > 2.35.1 > Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx> BR, Jarkko