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Message-ID: <20201228115814.GA5880@lion.mk-sys.cz>
Date: Mon, 28 Dec 2020 12:58:14 +0100
From: Michal Kubecek <mkubecek@...e.cz>
To: linux-wireless@...r.kernel.org,
Mordechay Goodstein <mordechay.goodstein@...el.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Takashi Iwai <tiwai@...e.de>,
Arjen de Korte <suse+build@...korte.org>
Subject: regression in iwlwifi: page fault in iwl_dbg_tlv_alloc_region()
(commit ba8f6f4ae254)
FYI, there is a regression in iwlwifi driver caused by commit
ba8f6f4ae254 ("iwlwifi: dbg: add dumping special device memory")
reported at
https://bugzilla.kernel.org/show_bug.cgi?id=210733
https://bugzilla.suse.com/show_bug.cgi?id=1180344
The problem seems to be an attempt to write terminating null character
into a string which may be read only. There is also a proposed fix.
Michal
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