From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.15.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C38DE7FF; Sun, 7 Jul 2024 08:45:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720341947; cv=none; b=S25AeSOv8OauIcMdgCv5Or+kO3HGz7+dQ73URCijG2nXF1muIXxZkuzef9ETVG8EeRfQ0qw1kegvJrdpig2o79VjfCqLP2qMTDRsXjQqsUJX/l2x8OdhCK3aVcg1Mir3jSwkUiltrEnSNnnRnqK+KQWvb7NIpFjsH7xtciCDSP8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720341947; c=relaxed/simple; bh=CyTzhOxBQthFyGXcVW6Ge9YgHiZ1vJTkQ/bVRvaHHaM=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=jrsQeQy5Gwhxvz0KtXOhzKoCj3kvLAqlA8BPA/hdOWru40v30GkLbTKkPaTc3HX8vkaGcazBQejdiyee4TFzZf/jI44/nd5zm3hC0B1DnMSGIvW/9dgJMjiPWyi14EXexxdqr1o7zG995BNFUwKXn/s47a1LcYbTmEiqU4cs9Jc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=eadWUsw7; arc=none smtp.client-ip=212.227.15.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="eadWUsw7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1720341933; x=1720946733; i=markus.elfring@web.de; bh=CyTzhOxBQthFyGXcVW6Ge9YgHiZ1vJTkQ/bVRvaHHaM=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=eadWUsw7y7YOwkSdVRTHKXyD4L8okP2qS7lgfnVcwRqQJqj/5AhEPv40d1DrLoEI 8tsnlWeBD5ZFS+osbWTWAfiBdl+ZB9v8fWBy4eSBuNhrdLlBFjp9uMY9vblggQyHI g21LdhVc7fXc/3+JCqQjOR5tEhxGHU4/6pCQ1fflOLRiO9l4xvcEtq4kmQckAutUi sbrvTtTp59d4Rex/AtR2d37kWxLuCGsqd4Aq4NQI0UXW8kOKLVsiVBGkbmRINaXYa VGEtjU+eFNe+7JpA5xwDXxeUaI8D0XCKN9FQMF06Tlp9lskNWxgnif2nZeQTTBzRW uj7mZ5RWraVrH2VG3A== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.91.95]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MhWop-1rvQUg1It1-00opnh; Sun, 07 Jul 2024 10:45:33 +0200 Message-ID: <8b24a50c-ac43-473c-80fd-185ee806b5f2@web.de> Date: Sun, 7 Jul 2024 10:45:03 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Sungwoo Kim , linux-bluetooth@vger.kernel.org, Johan Hedberg , Luiz Von Dentz , Marcel Holtmann Cc: LKML , "Dave (Jing) Tian" , Hui Peng References: <20240706225124.1247944-1-iam@sung-woo.kim> Subject: Re: [PATCH v2] Bluetooth: hci: fix null-ptr-deref in hci_read_supported_codecs Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240706225124.1247944-1-iam@sung-woo.kim> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:/OKP/kB0LAmfffMhCRcvGRVdMSFXzQ52i23cPJFJn+XAfU8SzJ8 2ZQaoCXiwmgGvtPLdY8g9kjL0wtTM5p5vVWgQjHowNmiMBxV4XXRwSdSB3ItarIwegOIClF tSJ8/ZuE1NFmIgvRci5VsTFBmg//V5xGGD647yWw5podxTw9EibUb/c4dXfcLrT+439aXnN w8HGMS3QisHS+e64VKb1Q== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:Y1clwikdP70=;PQCF2KiXkStkpGaj/vHKAOZ8oxb EtmBOfhTXhbbHKNq9PgRY2vuf5J1kVWwi27/Q1PEPTQ002LOE6CZojUnKsX/alLXEatk85jr0 YkZLdH+ScdyOK02eSf2rxeFjEhQERrlrWZN20BZsIKGGrDB5sYVc5JhMDuZn9jMykhEwJ7JQR hv9+52J7bcOB4Ryg2DCM7OWFRbgiuTLvcgx0p18hy/gAbnj7k6Dp7dnlNwhIul9esvexU0lPP oXrn+XHC7qny3pg/l7MIYIQlqC7vqRotMwh326qHyZHtrGj604VnfoN4KaPIW7lv/NoQcIMIS X6Yo/SGWv+a8sYnIe7hGZo3p5iYozUEnYVNyrf4KxLUYY8u44xd9SAoAJblR66+YpO1bnzZ1b 8RqfbpKga5M8AJBOA2WcmWyr+G3vmu1q9J3TIrQXwJHtbuWLLN8Jv1mpH7EZYnyaVBGb6Ibmf dYSFhhMPg19s6rODTpY1cDKrUwLcPTFyElFXoPKZF5HyHHPRhjq4bPgQ3qcHZyfUHaAwJUopC rKwsRPQbC7DhpCebjkG7Y4ulVAT2TPvOz7Xd8U9737UW1aN1S9k2xxN+AL/QKvEOySVMx227c L+zb58hqQ3+gNZG9aVMr4b9KTAb/NrpkHv6f8E8i7ge8wjWKzTPYo2IkVUi121KqWaX1oSsHU CTwktJRXnaGjG7PU6gwwIUAoCIH1LSYzuyyOtlDgH/F+s9K2GTUpa5g4fRdkq+U4k6en0QLvx HmnLIpxL/WRTatA+RC1Plzb4uQOBuIGizM/w/p+q6ka4WonDHSDWiA1Lrjetuu2FGY96U+EiS oZ85y7gzoE6+EF2yfNC2+PnDFkNaj+HHcH2fPxxO5n9HY= Please put email addresses for recipients not only into the message field = =E2=80=9CCc=E2=80=9D. =E2=80=A6 > Fix __hci_cmd_sync_sk() to not return NULL. > > KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] =E2=80=A6 How do you think about to use a summary phrase like =E2=80=9CPrevent null pointer dereference in hci_read_supported_codecs()= =E2=80=9D? =E2=80=A6 > Fixes: abfeea476c68 ("Bluetooth: hci_sync: Convert MGMT_OP_START_DISCOVE= RY") =E2=80=A6 Would you like to add a =E2=80=9Cstable tag=E2=80=9D accordingly? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/stable-kernel-rules.rst?h=3Dv6.10-rc6#n34 Regards, Markus