From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0228C3559E7 for ; Wed, 21 Jan 2026 02:50:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768963809; cv=none; b=kcADopb6H+xzrT1dzsdl7EW/vd0JFrxhZbg1tzfvUqtnNJ/OqIVriMD6DlyGOA015jjJ51yPS2UlIXOT7cly59KOnOdWyqk0BXtlWa4hYxU1aeKVksqOivNwb2/8q9domFjcIZVlP9ypXhUVawXAhVhdxXFsTk8LUPjvOP4rG80= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768963809; c=relaxed/simple; bh=ZEBg/lA/mNZPS3ekcf/CD9650i3SBDw0lW9HjhSQT+k=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=aB3rho/1/sElVU90M1EEGeUqsZaUqC2CPS8Yc417sCM96agMzCRN13rMM5zY/foDPrTYHGkGVJ0ekBn1RqfelHIYgAp7Up2uobk6UyQkfvrI+W5f2QmluwTpIWTyXIEVJzLDlH4jsRwlZWo5ERJTehR6f6DZQ1J82DvT30j84qU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H6/fi3wT; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="H6/fi3wT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D09CC16AAE; Wed, 21 Jan 2026 02:50:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768963808; bh=ZEBg/lA/mNZPS3ekcf/CD9650i3SBDw0lW9HjhSQT+k=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=H6/fi3wTvCgCA9lRarpVxqTHNGEW+NzA2ymIGv3XcyJYLVsbJKNcS1luQ36pxnE10 CT2ZGiscrVIgFssQV6/IFW8TFeBF5C+tRBsjILjq59LbZElF38Zvra2Ej9yPA1KyPN CwBiiSD6FTO6vYgSQM93+HoyJ0GpNwsVV1vWg5Ae/jYoNLESLTJdsQrieTDnZB2WIL k5Y9AhSJk+YrUWAVyX6a1IvpCkTQq9rQMr99lCpMtoN7hNNo+GTmK41AMtTPIDeQhZ jEWjqAZg35BjuwKX2Qk+YEPvJeeCnmMgodGX1UGwq9n3hVGeRaOU2vkOWyoZ17txAo uENBanJqgjUvQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 11C36380820D; Wed, 21 Jan 2026 02:50:07 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] mISDN: annotate data-race around dev->work From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176896380585.703462.3776381750776785744.git-patchwork-notify@kernel.org> Date: Wed, 21 Jan 2026 02:50:05 +0000 References: <20260118132528.2349573-1-edumazet@google.com> In-Reply-To: <20260118132528.2349573-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com, syzkaller@googlegroups.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Sun, 18 Jan 2026 13:25:28 +0000 you wrote: > dev->work can re read locklessly in mISDN_read() > and mISDN_poll(). Add READ_ONCE()/WRITE_ONCE() annotations. > > BUG: KCSAN: data-race in mISDN_ioctl / mISDN_read > > write to 0xffff88812d848280 of 4 bytes by task 10864 on cpu 1: > misdn_add_timer drivers/isdn/mISDN/timerdev.c:175 [inline] > mISDN_ioctl+0x2fb/0x550 drivers/isdn/mISDN/timerdev.c:233 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:597 [inline] > __se_sys_ioctl+0xce/0x140 fs/ioctl.c:583 > __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:583 > x64_sys_call+0x14b0/0x3000 arch/x86/include/generated/asm/syscalls_64.h:17 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0xd8/0x2c0 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > > [...] Here is the summary with links: - [net] mISDN: annotate data-race around dev->work https://git.kernel.org/netdev/net/c/8175dbf174d4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html