From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 F06BF286D7D for ; Tue, 2 Jun 2026 19:00:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780426806; cv=none; b=iDQwZ0tzzJAVZ033yAwWEv/wUIaJW2ZcmXrEaYQyVFUIVis+u3CPQ1cZF+mmY+DhveGXhvhBU+po/PhuTSQhrcTmR4xZfb1zRg0zI6mY++BLbArjeBky9PQtJsPVCXMME/2PC/lQQNOckzrxYKKJwPyIXayoCUSBDtJ/yB01X40= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780426806; c=relaxed/simple; bh=J9JY452fHoT1AdJNB4ASUj3ND+jA3CR1mEUmoJ/+WYQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=so0D4ohLh3t6NU3pdV+pofsITo0B5thl+6Y8jKRP+o80mLj7xBZ5BRBkCkpO2x8jKFLqZ4dx2LTTZYS4MZcbb21rOcveeXcn2j2DD/9uSLy/xljxyteBpigCixFhiBFNjal7qmYEmZ0AzVWZVtOZ/zVC+5Y1aeUm1wfkt63sQ3c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PU4BNPQF; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PU4BNPQF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B6CDA1F00893; Tue, 2 Jun 2026 19:00:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780426805; bh=M+Nm8VEBNt2IKyMAuknLaYO7pFn128UMvoXewkzmVtQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=PU4BNPQF1qRx7E93j9NK9eMJniWw98yImkLZLYQtxTVnfFL6H/Enic6Y5m3SSizQg o9BtHRF2ysNFlvSW8m0rAp5MjeilLXuvxg4uhPD/esL5BNZDGKgxB9UXgw7yOZM6/8 KIJ1spGGArkdJ/0XSQZGOrYiDPWvtMXExzWA9nExc8tMOrGQmnFhjh/6EWqIvk/rEy 6gOj7hQj/QsPBbjgIGF3d8/L4jWkycc1g72/3CGQlc6BVW4MySEJQr+k/eCA+/J9Q7 dGUAQ1uIRW/uKdn/XE19KF1x1fGQ/URJczgJB3mYuLWhpZL25Llt6rCW4pQ9oYPgUD sGNxT2YHxnLaA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D09E43811A6C; Tue, 2 Jun 2026 19:00:08 +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 v2 net] tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req(). From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178042680740.1007375.14491547621037565757.git-patchwork-notify@kernel.org> Date: Tue, 02 Jun 2026 19:00:07 +0000 References: <20260601182101.3183993-1-kuniyu@google.com> In-Reply-To: <20260601182101.3183993-1-kuniyu@google.com> To: Kuniyuki Iwashima Cc: edumazet@google.com, ncardwell@google.com, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, bigeasy@linutronix.de, clrkwllms@kernel.org, rostedt@goodmis.org, tglx@kernel.org, kuni1840@gmail.com, netdev@vger.kernel.org, syzbot+e809069bc15f26300526@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 1 Jun 2026 18:20:55 +0000 you wrote: > syzbot reported a weird reqsk->rsk_refcnt underflow in > __inet_csk_reqsk_queue_drop(). > > The captured reqsk_put() in __inet_csk_reqsk_queue_drop() > is called only when it successfully removes reqsk from ehash. > > Moreover, reqsk_timer_handler() calls another reqsk_put() > after that. > > [...] Here is the summary with links: - [v2,net] tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req(). https://git.kernel.org/netdev/net/c/e10902df2448 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html