linux-kernel - [REGRESSION] Re: [PATCH] crypto: pkcs7: remove sha1 support

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Message-Id: <CZSHRUIJ4RKL.34T4EASV5DNJM@matfyz.cz>
Date: Wed, 13 Mar 2024 09:50:11 +0100
From: "Karel Balej" <balejk@...fyz.cz>
To: <dimitri.ledkov@...onical.com>,
        "Johannes Berg"
 <johannes@...solutions.net>
Cc: <alexandre.torgue@...s.st.com>, <davem@...emloft.net>,
        <dhowells@...hat.com>, <herbert@...dor.apana.org.au>,
        <keyrings@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-modules@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>, <mcgrof@...nel.org>,
        <mcoquelin.stm32@...il.com>, <linux-wireless@...r.kernel.org>,
        <netdev@...r.kernel.org>
Subject: [REGRESSION] Re: [PATCH] crypto: pkcs7: remove sha1 support

Dimitri, Johannes,

ever since upgrading to Linux v6.7 I am unable to connect to a 802.1X
wireless network (specifically, eduroam). In my dmesg, the following
messages appear:

	[   68.161621] wlan0: authenticate with xx:xx:xx:xx:xx:xx (local address=xx:xx:xx:xx:xx:xx)
	[   68.163733] wlan0: send auth to xx:xx:xx:xx:xx:xx (try 1/3)
	[   68.165773] wlan0: authenticated
	[   68.166785] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1/3)
	[   68.168498] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x1411 status=0 aid=4)
	[   68.172445] wlan0: associated
	[   68.204956] wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by xx:xx:xx:xx:xx:xx
	[   70.262032] wlan0: deauthenticated from xx:xx:xx:xx:xx:xx (Reason: 23=IEEE8021X_FAILED)
	[   73.065966] wlan0: authenticate with xx:xx:xx:xx:xx:xx (local address=xx:xx:xx:xx:xx:xx)
	[   73.068006] wlan0: send auth to xx:xx:xx:xx:xx:xx (try 1/3)
	[   73.070166] wlan0: authenticated
	[   73.070756] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1/3)
	[   73.072807] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x1411 status=0 aid=4)
	[   73.076676] wlan0: associated
	[   73.120396] wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by xx:xx:xx:xx:xx:xx
	[   75.148376] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (Reason: 23=IEEE8021X_FAILED)
	[   77.718016] wlan0: authenticate with xx:xx:xx:xx:xx:xx (local address=xx:xx:xx:xx:xx:xx)
	[   77.720137] wlan0: send auth to xx:xx:xx:xx:xx:xx (try 1/3)
	[   77.722670] wlan0: authenticated
	[   77.724737] wlan0: associate with xx:xx:xx:xx:xx:xx (try 1/3)
	[   77.726172] wlan0: RX AssocResp from xx:xx:xx:xx:xx:xx (capab=0x1411 status=0 aid=4)
	[   77.730822] wlan0: associated
	[   77.830763] wlan0: Limiting TX power to 23 (23 - 0) dBm as advertised by xx:xx:xx:xx:xx:xx
	[   79.784199] wlan0: deauthenticating from xx:xx:xx:xx:xx:xx by local choice (Reason: 23=IEEE8021X_FAILED)

The connection works fine with v6.6 and I have bisected the problem to
the revision introduced by this patch (16ab7cb5825f mainline).

My wireless kernel driver is iwlwifi and I use iwd. I started the bisect
with a config copied from my distribution package [1].

Would you please help me with this? Please let me know if I forgot to
mention something which could be helpful in resolving this.

[1] https://raw.githubusercontent.com/void-linux/void-packages/master/srcpkgs/linux6.6/files/x86_64-dotconfig

Thank you very much, kind regards,
K. B.