From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5192C433F5 for ; Wed, 2 Feb 2022 09:30:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239886AbiBBJaX (ORCPT ); Wed, 2 Feb 2022 04:30:23 -0500 Received: from mail-il1-f200.google.com ([209.85.166.200]:35662 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233133AbiBBJaX (ORCPT ); Wed, 2 Feb 2022 04:30:23 -0500 Received: by mail-il1-f200.google.com with SMTP id h8-20020a056e021b8800b002ba614f7c5dso13760339ili.2 for ; Wed, 02 Feb 2022 01:30:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=NZ7WdYtQrNmVol7I4UetJhUqWcjgf5izWYmBss2fDeI=; b=vo2cl0bzvLg8/EWMtQ5FRkIuj+5J0VqdZ0jO5qKVuVPXWADwS8c+/647LqsWB1gLcN FmutzG6RUftDeeoFCqK7eUyn6HCQLo9UkVy7fNCOKDnmj4ltkda2TKVS3CtWr/rBtuU9 sxykc0yHITFL7LZgolg6ezv/rs583+I8qhaRYh2Rt4nGvreGVjbxXZyhGoKfIk2Ad2Od wbyxt1feyAj5Em5xYN08ZlLd1i+xKjq9TRJhuCjZiP9dS1uYr/CmriMdi8gVUuC491dA opt30bAy6tCRSRvaTRT10RmnzhcYqSY+igSJeosIRW10k3D9zX75JTsX9WCaW5D9vSGx cXqA== X-Gm-Message-State: AOAM532HqR3qbV0AGrGMtr75ecyv1/N9B94kpbDvKcOD+ILTSKyjXNYy RwpqV4UBpJWew4B61V6sdB58UDfRqJ/AB9+efsqmahMQSQDR X-Google-Smtp-Source: ABdhPJzxRGFGHD/f8nz9jewR6Z8HVVhEyTz1BpTtYuPo9LSEN5UQM2YwD+bThGxUUYDBD1kyZWz0kY7by3sKLnFQTZKMf0QgqeLM MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a47:: with SMTP id u7mr7869536ilv.33.1643794222593; Wed, 02 Feb 2022 01:30:22 -0800 (PST) Date: Wed, 02 Feb 2022 01:30:22 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b8c08805d705aaa2@google.com> Subject: [syzbot] WARNING: ODEBUG bug in __init_work (3) From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, cgroups@vger.kernel.org, christian@brauner.io, daniel@iogearbox.net, hannes@cmpxchg.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, linux-kernel@vger.kernel.org, lizefan.x@bytedance.com, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tj@kernel.org, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: b76bbb34dc80 net: stmmac: dwmac-sun8i: make clk really gat.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=16cccccbb00000 kernel config: https://syzkaller.appspot.com/x/.config?x=ae0d71385f83fe54 dashboard link: https://syzkaller.appspot.com/bug?extid=13b13d204fb13cfda744 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+13b13d204fb13cfda744@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: work_struct hint: css_killed_work_fn+0x0/0x5e0 kernel/cgroup/cgroup.c:3947 WARNING: CPU: 0 PID: 13 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.17.0-rc1-syzkaller-00460-gb76bbb34dc80 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 40 30 06 8a 4c 89 ee 48 c7 c7 40 24 06 8a e8 0c 57 27 05 <0f> 0b 83 05 55 7f b2 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90000d27ba8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff888011928000 RSI: ffffffff815fa1d8 RDI: fffff520001a4f67 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff815f3f3e R11: 0000000000000000 R12: ffffffff89ab5380 R13: ffffffff8a062940 R14: ffffffff814bda70 R15: ffffffff90788e18 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2eb22000 CR3: 0000000053d45000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_object_init+0x524/0xd10 lib/debugobjects.c:593 __init_work+0x48/0x50 kernel/workqueue.c:518 css_release+0x1a/0x110 kernel/cgroup/cgroup.c:5213 percpu_ref_put_many.constprop.0+0x22b/0x260 include/linux/percpu-refcount.h:335 rcu_do_batch kernel/rcu/tree.c:2527 [inline] rcu_core+0x7b8/0x1540 kernel/rcu/tree.c:2778 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.