| Message ID | ZupQq2os75c_BFRz@gondor.apana.org.au |
|---|---|
| State | New |
| Headers | show |
| Series | crypto: s390/paes - Fix module aliases | expand |
On 18.09.2024 06:01, Herbert Xu wrote: > On Tue, Sep 17, 2024 at 11:54:30AM +0200, Ingo Franzki wrote: >> >> I used 'make defconfig' on s390x, so nothing special: > > Thanks, it turns out to be an existing bug but it just happens > to have worked. > > ---8<--- > The paes_s390 module didn't declare the correct aliases for the > algorithms that it registered. Instead it declared an alias for > the non-existent paes algorithm. > > The Crypto API will eventually try to load the paes algorithm, to > construct the cbc(paes) instance. But because the module does not > actually contain a "paes" algorithm, this will fail. > > Previously this failure was hidden and the the cbc(paes) lookup will > be retried. This was fixed recently, thus exposing the buggy alias > in paes_s390. > > Replace the bogus paes alias with aliases for the actual algorithms. > > Reported-by: Ingo Franzki <ifranzki@linux.ibm.com> > Fixes: e7a4142b35ce ("crypto: api - Fix generic algorithm self-test races") > Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> > > diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c > index 99ea3f12c5d2..b8d9f385555d 100644 > --- a/arch/s390/crypto/paes_s390.c > +++ b/arch/s390/crypto/paes_s390.c > @@ -802,7 +802,10 @@ static int __init paes_s390_init(void) > module_init(paes_s390_init); > module_exit(paes_s390_fini); > > -MODULE_ALIAS_CRYPTO("paes"); > +MODULE_ALIAS_CRYPTO("ecb(paes)"); > +MODULE_ALIAS_CRYPTO("cbc(paes)"); > +MODULE_ALIAS_CRYPTO("ctr(paes)"); > +MODULE_ALIAS_CRYPTO("xts(paes)"); > > MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm with protected keys"); > MODULE_LICENSE("GPL"); I can confirm that this solves the problem. Thanks for identifying this! Tested-by: Ingo Franzki <ifranzki@linux.ibm.com> Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com> Trough which tree should we carry this patch forward? Through the crypto tree or the s390 tree? @Heiko @Harald @Herbert opinions?
diff --git a/arch/s390/crypto/paes_s390.c b/arch/s390/crypto/paes_s390.c index 99ea3f12c5d2..b8d9f385555d 100644 --- a/arch/s390/crypto/paes_s390.c +++ b/arch/s390/crypto/paes_s390.c @@ -802,7 +802,10 @@ static int __init paes_s390_init(void) module_init(paes_s390_init); module_exit(paes_s390_fini); -MODULE_ALIAS_CRYPTO("paes"); +MODULE_ALIAS_CRYPTO("ecb(paes)"); +MODULE_ALIAS_CRYPTO("cbc(paes)"); +MODULE_ALIAS_CRYPTO("ctr(paes)"); +MODULE_ALIAS_CRYPTO("xts(paes)"); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm with protected keys"); MODULE_LICENSE("GPL");