From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-221-231.mail.qq.com (out203-205-221-231.mail.qq.com [203.205.221.231]) (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 1FCD71EDA02 for ; Tue, 28 Oct 2025 05:20:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.231 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761628818; cv=none; b=Ar4jtKMEqPE5P/Pal9Q65zf9ZutVDrlGavSmGHgjQtZc21uAYokVUjkjbNxSdNuzLcmQDWQXyPrsXmcJah79O2BCeWWacr1GoGo5XNihXt+ChzeuNL6QFotfw+7xB8WeBnGX7xuIL5l0VCvFLePLJMK6LMxelEWCsEDKVq+tjQk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761628818; c=relaxed/simple; bh=oh8Tz9m/1rKLhD2FYlWXqDx2y8PLCzETicXbEjPRWFE=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=h7yvksrOcE7C4W1Z/lalyUefGuEIIGHzykfAJ2kA0Ow2F8UBIDJ+mxR8ksn/6XoEFigEQfrh+A39sKRv1sx+HAggi0SJfyH8zlRYYgosrZI8TnERUcCLLULWZKyfsZ/UCml1H2PUzZKGHu7oUZFQe34UtREJvU7w8pkJD0idTEA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=gru9qQ7/; arc=none smtp.client-ip=203.205.221.231 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="gru9qQ7/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1761628804; bh=pF3tdoljRmoOmiYiRoqG9ogq3aUNZ6hKAKa9QDu+g1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=gru9qQ7/5hRWnjj3GaNCMb/w8kuU3l87R4vBL7J0CzSI0lLDjhjOO3T9ShHzeozGN dYjfQolJV/xYivZhMCvUc750y7BekNc37zVH+geaVH+ivPIOtMmHfLZDjb4M7IvTfO +qfq2PwLo+07uWpA+yMDgM73ZxFtAj8N2L0z7QBg= Received: from pek-lxu-l1.corp.ad.wrs.com ([111.201.7.117]) by newxmesmtplogicsvrsza63-0.qq.com (NewEsmtp) with SMTP id 41034880; Tue, 28 Oct 2025 13:16:16 +0800 X-QQ-mid: xmsmtpt1761628576t399n4h87 Message-ID: X-QQ-XMAILINFO: MDbayGdXPuoemJsVEB6ryQkk4CIVD4ZtLUPJ2NlIAsuGIayLfcmTn+vLXvN4iu aJxNMQ9yKcH+qil7ERT/XbEDmjmI98gqo4JORZi75S8G3dWFp4Q91eof82J5sdiDz59/cSP+8AYh /ba5NvxWimYY8mW5VL7ETkR+t2+yfDdaCxCL/fXq7bkamrDJD2432WP4SpIMEiS5Vf/rQkz0/z3N G0XCoFm9XOuh4tA+EDDCkdWAUzBAtu1WlEJupt5xHSHSoBMEbhSu7LnIir/F2awH+chnbHafJiX9 xmiJ1SBInlqaFmakDm5gGdHJZ7gKP5pqTEj7VskG3yMvvrPTuOYaTlAfweF6eVBkOQ2008BRo+Vz 6fAbGAVrUkw58XtdbEKaJb/jo/2MFPs6MoVVw5o9TZBXe5K14j1uUQXxi3Zn9fCPL57So5n7/XCi hCoCgq7pae1uJ9SrX8uExl53/lBavD7Rz6Xp79hEoNcEmGyM9yoirKP9j1UL5uusGH0Az67G9rTg JLPBkIMw3yHVCVmrB3E+vOPPCCjaBZYa4M6MwPBTH9kwrIAyJgYCx4K3uYKxzWhExFkSezTF/HG7 6hQHyUWQTizFkB3omccGE5Rp/Qb9shrlVtu9BhC60wMW9AK9KN6asUx9UiCIB8zfyfGSk3NMI5Cu E7AEHMs7fH/njDdQgAaRtzWBxSgY/C3A8f8x9xP4ypkjtweWg+nZLtu5Zgkg+XKOw9RRFGnsIJ2X RSBgPM66+3f2qQec+Itv8QxCzvmkwz8IPV68S6KKMKxl3u4eYKU60CBCFwCrWlDAojed7VTOrsx1 vVYhK6g79oP/EV2EfpazCx9tpQH97tjh5vA9nMKurWpe8+NA7Q1BSzi4UXbzGmnbdyHNIbUXKURF TFzwBXcCy+vewQeofLvwpoSh/uaYL4VvvwGdeU6BrgdCZVzmcS1XN/mWgrETkvXBKWLh0som23Hq 8mJY3aYQD7dnB4wUpBQ4+mVKlrbBrA6Fmz3mG0aEU= X-QQ-XMRINFO: OD9hHCdaPRBwq3WW+NvGbIU= From: Edward Adam Davis To: syzbot+24d8b70f039151f65590@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [nilfs?] WARNING: ODEBUG bug in nilfs_detach_log_writer (2) Date: Tue, 28 Oct 2025 13:16:17 +0800 X-OQ-MSGID: <20251028051616.2382229-2-eadavis@qq.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <68ffe1a8.050a0220.3344a1.03a1.GAE@google.com> References: <68ffe1a8.050a0220.3344a1.03a1.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index f15ca6fc400d..8a17ae49bc41 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -2768,7 +2768,9 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) if (sci->sc_task) { wake_up(&sci->sc_wait_daemon); - kthread_stop(sci->sc_task); + printk("kthread start to stop (sci %p)sctask %p, %s\n", sci, sci->sc_task, __func__); + int ret = kthread_stop(sci->sc_task); + printk("kthread stopped (sci %p)sctask %p thread return %d, %s\n", sci, sci->sc_task, ret, __func__); } spin_lock(&sci->sc_state_lock); @@ -2808,6 +2810,10 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci) down_write(&nilfs->ns_segctor_sem); + if (sci->sc_task) { + printk("sci %p sctask %p %s\n", sci, sci->sc_task, __func__); + //timer_shutdown_sync(&sci->sc_timer); + } kfree(sci); }