From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from r3-17.sinamail.sina.com.cn (r3-17.sinamail.sina.com.cn [202.108.3.17]) (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 803FE126BFA for ; Sat, 9 Aug 2025 02:53:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.108.3.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754708024; cv=none; b=OOTFV9WhLH3ubTj7yrhsLhCVn80/uEGPrsJNEcMNg5/SjhbiEtbDX5hbvgbrl2HiZFoz465nJs6wU2mVey1Rhr8eOTxheIDuYPa/8p7B2PsRjHNLll5vUs9ZOPtLBRGBbGKBpbzfJ1aQIwSjaksKHFnD4GBzNZIdszYLq8BKk4w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754708024; c=relaxed/simple; bh=rshu1EznhtWCQ3f262wqHAvjArFZVH/xgOZiidDze+Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JCgJ6yw+X9bSTZ7Y1VmKr5a0A/6V00R+UcX5fJNoVWirzGDRSPUYigyXskjVGQRgC18I0W6E90f6Cg0soP9WDgbuhHCNxbTcm/Ted3m2/vDrfaNO3kUoDLpqnpheWmJR5QC/ers4/edl7Bgt4/PghoLJQQ0pkj92pVgWqBlgLQQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=Z/VuOy91; arc=none smtp.client-ip=202.108.3.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="Z/VuOy91" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1754708019; bh=rvsKC8gpfHRa9+JDANyj7H168oO0fQoMpmQCu1RBaf0=; h=From:Subject:Date:Message-ID; b=Z/VuOy91H/cIEzGmw4qxfG1Fo66lccN3Sodn/mfWgBefk1PFG4NRGPnP6cfZktdIr 5zSOYNhJx5wEuh4VVEk5z000+5TT/e1KHv/HehALjNYjeXaffoIEECYtEUhg+qWriG syexnsdvGSKfUl6oZUwwwHg9xtFSWgNihRp+uYQk= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.58.236]) by sina.com (10.54.253.34) with ESMTP id 6896B82600007516; Sat, 9 Aug 2025 10:53:28 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=hdanton@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=hdanton@sina.com X-SMAIL-MID: 6750976291944 X-SMAIL-UIID: 78276F9A5FD548E2B94EDE40A56E4657-20250809-105328-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [net?] WARNING: ODEBUG bug in __sk_destruct (3) Date: Sat, 9 Aug 2025 10:53:15 +0800 Message-ID: <20250809025317.4045-1-hdanton@sina.com> In-Reply-To: <6895de6e.050a0220.7f033.005d.GAE@google.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > Date: Fri, 08 Aug 2025 04:24:30 -0700 [thread overview] > Hello, > > syzbot found the following issue on: > > HEAD commit: 7abc678e3084 Merge tag 'pmdomain-v6.16-rc2' of git://git.k.. > git tree: bpf > console output: https://syzkaller.appspot.com/x/log.txt?x=11b0a4f0580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=12b5044868deb866 > dashboard link: https://syzkaller.appspot.com/bug?extid=d199b52665b6c3069b94 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a20f22580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12af2f22580000 #syz test upstream master --- x/net/kcm/kcmsock.c +++ y/net/kcm/kcmsock.c @@ -717,6 +717,8 @@ static void kcm_tx_work(struct work_stru lock_sock(sk); + if (kcm->tx_stopped) + goto out; /* Primarily for SOCK_DGRAM sockets, also handle asynchronous tx * aborts */ --