From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp153-170.sina.com.cn (smtp153-170.sina.com.cn [61.135.153.170]) (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 AAAAB81732 for ; Fri, 8 Aug 2025 13:56:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=61.135.153.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754661406; cv=none; b=WkjfEMOUtsLlT6f2b/jys92nSrEjE+dmompIuFqbxYF+dB70FOpkXyy/SVDhCDcU97vl8K/S/bAl+SmN+JX8xghcsOXSvTv4lVRqqUXnijhgcZlbIeKt/L29KeOq8ga6IL/jMqDGkDhkrvA7BM9SF5md4wLYESQLXizh2D9KwT0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754661406; c=relaxed/simple; bh=VGW3iwhs06TlX3mCL5Fz16GN2dRR+QXkmPM+0ULka0I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OASOh5kfcqVa/mhB5CRFJ6MT5ip/mzB1cCcYGHcwkuE25Si0/4hW2DzM3vs1fRF7u/8AGdk3p7xILiw4oNqyq8IiEjYo2amOok1NDh1hXm/gxcTMr85hkNE5SdI0nv3MCOqc9buT/4qbqL7/5Ndq/rb0o0oGb1zLH4lhdpYAlyc= 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=i8tB3+w2; arc=none smtp.client-ip=61.135.153.170 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="i8tB3+w2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1754661396; bh=7zg0rcr7ymUsDvF/YkFKUV212hpUZmwQfk5lRWpk9lA=; h=From:Subject:Date:Message-ID; b=i8tB3+w2S4ikrxGOXi6yCk23jYRbZNXPibCHl0O4p+xXqw/4mdT8izR7vlwtw1yJV nueSPvHkzD+paTcaJHalhb7CjscJ9jD6fSoQTf0Ogc9MrupiJqUXyst1bzNXH8Waa+ bLmWt1QPhRbwwdLuuh2S22mrs5TZGGva2+Ws13eQ= 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 68960207000013ED; Fri, 8 Aug 2025 21:56:25 +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: 6798736291755 X-SMAIL-UIID: 1BB8CF37F45442A88123F99ED246849F-20250808-215625-1 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: Fri, 8 Aug 2025 21:56:11 +0800 Message-ID: <20250808135614.4022-1-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 @@ -1714,7 +1714,7 @@ static int kcm_release(struct socket *so /* Cancel work. After this point there should be no outside references * to the kcm socket. */ - cancel_work_sync(&kcm->tx_work); + flush_work(&kcm->tx_work); lock_sock(sk); psock = kcm->tx_psock; --