linux-kernel - Re: [regression] BUG: KASAN: use-after-free in lockdep_register

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Date: Thu, 30 May 2024 09:18:36 +0200
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: Kalle Valo <kvalo@...nel.org>, Dave Jiang <dave.jiang@...el.com>,
 Dan Williams <dan.j.williams@...el.com>, Bjorn Helgaas <bhelgaas@...gle.com>
Cc: linux-wireless@...r.kernel.org, ath11k@...ts.infradead.org,
 regressions@...ts.linux.dev, Jeff Johnson <quic_jjohnson@...cinc.com>,
 linux-kernel@...r.kernel.org, linux-cxl@...r.kernel.org,
 linux-pci@...r.kernel.org
Subject: Re: [regression] BUG: KASAN: use-after-free in
 lockdep_register_key+0x755/0x8f0

On 30.05.24 08:53, Kalle Valo wrote:
> Kalle Valo <kvalo@...nel.org> writes:
>> Kalle Valo <kvalo@...nel.org> writes:

> I found my mistake and was able to finish the bisect. This seems to be
> the commit causing my problems:
> # first bad commit: [7e89efc6e9e402839643cb297bab14055c547f07] PCI: Lock upstream bridge for pci_reset_function()

FWIW in case you missed that: there are a few other discussions related
to that commit already:
https://lore.kernel.org/all/?q=7e89efc6e*

And a patch with a Fixes: tag for that commit, too:
https://lore.kernel.org/all/171659995361.845588.6664390911348526329.stgit@dwillia2-xfh.jf.intel.com/

Ciao, Thorsten