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Wed, 22 Jul 2026 00:35:33 -0700 (PDT) Message-ID: Date: Wed, 22 Jul 2026 16:35:29 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [BUG] nfc: llcp: race between nfc_llcp_send_ui_frame() and llcp_sock_bind() dereferences NULL sock->dev To: David Heidelberg Cc: krzk@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, oe-linux-nfc@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <93f2ff92-a7d6-4521-9273-2e84fa37337d@ixit.cz> Content-Language: en-US From: Junwoong Doh In-Reply-To: <93f2ff92-a7d6-4521-9273-2e84fa37337d@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/19/26 23:24, David Heidelberg wrote: > > Hello Junwoong, > > thank you for the report. Would you be willing to try preparing a patch against > the NFC for-next or for-linus tree to fix the issue? Yes, I'd be happy to. Since this is a bug that's already in mainline, I'll base the patch on for-linus. I'll send it by the end of the week. Thanks, Junwoong