linux-kernel - Re: 6.11/regression/bisected - commit 1541d63c5fe2 made my system unbootable (general protection fault, probably for non-canonical address 0xdffffc00000000a9)

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Message-ID: <6e647420-ad2a-42d7-bcd3-4a498888e9e7@leemhuis.info>
Date: Tue, 30 Jul 2024 06:01:14 +0200
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>, sean.wang@...iatek.com,
 Felix Fietkau <nbd@....name>,
 Linux List Kernel Mailing <linux-wireless@...r.kernel.org>,
 Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
 Linux regressions mailing list <regressions@...ts.linux.dev>
Subject: Re: 6.11/regression/bisected - commit 1541d63c5fe2 made my system
 unbootable (general protection fault, probably for non-canonical address
 0xdffffc00000000a9)



On 29.07.24 21:51, Mikhail Gavrilov wrote:
> On Sun, Jul 21, 2024 at 10:20 PM Mikhail Gavrilov
> <mikhail.v.gavrilov@...il.com> wrote:
>>
>> The second Fedora update
>> (kernel-debug-6.11.0-0.rc0.20240717git51835949dda3.5.fc41.x86_64) with
>> the 6.11 kernel made my system unbootable.
>> The trace looks like:
>> Oops: general protection fault, probably for non-canonical address
>> 0xdffffc00000000a9: 0000 [#1] PREEMPT SMP KASAN NOPTI
>> KASAN: null-ptr-deref in range [0x0000000000000548-0x000000000000054f]
>> CPU: 1 PID: 1472 Comm: NetworkManager Tainted: G        W    L
>> 6.10.0-rc5-10-1541d63c5fe2cebce85b2af84a2850a302ffda9c+ #683
>> Hardware name: ASUS System Product Name/ROG STRIX B650E-I GAMING WIFI,
>
> [...]
> 
> Excuse me, but I can't continue testing 6.11.
> This is a blocker bug for me.
> And it is still not fixed in 6.11-rc1.

There is a fix for the culrpit that will be in -rc2:
https://lore.kernel.org/all/20240718234633.12737-1-sean.wang@kernel.org/

>From a quick look the symptoms appears to be different, but the fix
talks about a race, so maybe it is the same problem after all. Worth trying.

Ciao, Thorsten