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Message-ID: <be96d2e7-592e-467e-9ad2-3f69a69cf844@gmail.com>
Date:   Wed, 11 Oct 2023 22:09:02 -0500
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User-Agent: Mozilla Thunderbird
Subject: Re: Linux 6.5 broke iwd
Content-Language: en-US
To:     Herbert Xu <herbert@gondor.apana.org.au>
Cc:     Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
        Marcel Holtmann <marcel@holtmann.org>,
        James Prestwood <prestwoj@gmail.com>
References: <ab4d8025-a4cc-48c6-a6f0-1139e942e1db@gmail.com>
 <ZSc/9nUuF/d24iO6@gondor.apana.org.au> <ZSda3l7asdCr06kA@gondor.apana.org.au>
From:   Denis Kenzior <denkenz@gmail.com>
In-Reply-To: <ZSda3l7asdCr06kA@gondor.apana.org.au>
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Hi Herbert,

> 
> I wonder if this is a bug in the bisection process.  The reference
> to sm2_compute_z_digest is protected by an IS_REACHABLE test on
> SM2 which is presumably disabled in your configuration.

So I just tried this again, here are the exact steps.  I believe the sha1 below 
was next in the bisect process.

[denkenz@archdev linux]$ git checkout 63ba4d67594ad05b2c899b5a3a8cc7581052dd13
HEAD is now at 63ba4d67594a KEYS: asymmetric: Use new crypto interface without 
scatterlists
[denkenz@archdev linux]$ make ARCH=um x86_64_defconfig
#
# configuration written to .config
#
[denkenz@archdev linux]$ ARCH=um sh ~/iwd-master/tools/test_runner_kernel_config
[denkenz@archdev linux]$ make ARCH=um olddefconfig
#
# configuration written to .config
#
[denkenz@archdev linux]$ make clean
   CLEAN   crypto/asymmetric_keys
   CLEAN   drivers/base/firmware_loader/builtin
   CLEAN   init
   CLEAN   kernel
   CLEAN   lib
   CLEAN   .
   CLEAN   modules.builtin modules.builtin.modinfo .vmlinux.export.c
[denkenz@archdev linux]$ make ARCH=um -j16

...

/usr/bin/ld: crypto/asymmetric_keys/x509_public_key.o: in function 
`x509_get_sig_params':
/home/denkenz/devel/linux/crypto/asymmetric_keys/x509_public_key.c:70:(.text+0x390): 
undefined reference to `sm2_compute_z_digest'

Regards,
-Denis