From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C7AB1A8F68 for ; Fri, 18 Apr 2025 16:52:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744995149; cv=none; b=kRXJsyPsW9avSWHf9orRtfSdl0ihDOxIOn1vbdyrUcUvL+7fOItJqreCUqhmn8ayaqR7zuQID7h+rml3hAtwChAHnPbd7vq2xaKlGuPotacG8csAN2apZap28fyc1TPq+0mn4OyZKG+Sv00hhLQzMxz0sj0E/dKmw/2+sevgntY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744995149; c=relaxed/simple; bh=rIr1X5ArPIoGMne64rZKsUa2zV7wM5g4JO7sSjCzaVg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=I+FX16NYpfZ4X8WycQ3J0+GfbWkkPA33aCMAxeh6slPuyVbjKdK22/2Q+5g6dbeDCtSpG7WcEW6InrCjnywW4pQ2ZthnsSklDHxkn3kgmqk5P4ZJC8kuptkn/RvZOAaFf4e9xHXuz6LT7M06XJ446UzCG+U8cGcV0ofhQCiO/nI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.205 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f205.google.com with SMTP id e9e14a558f8ab-3d458e61faaso19902455ab.0 for ; Fri, 18 Apr 2025 09:52:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744995147; x=1745599947; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Zal6AAVixQ//SuazCRlx5r883flDW8ZKlGrMWqngAGs=; b=s1h0aG58eKBEzl5Mvc3EWTzVlzCRDwyZhkvw9b1XCESVaZEOM9doVWG/dj5NNPb8pT 15Sg6qf2p9TKxn2jk9qaQneDQf5vwPeZOOf/TZAZ/l37XqwlzN9VAOnCcLgAucgcXWUC xScnZe70xrGzdjrLTMZYYLN6d3qOJyce+ZagOEmctb/boinEB6rWWmhXuLwL72nFmDFH tY/gA/jifDet335TrnvTb/G5y+XjH6PVM2ilpM4U/m+QP4/2jAi9unL/gIVATdkcJR3Q LUHAj8yyKhEyt8DOZlRlFsw0jHXoVtwuqOuUbny+8naz/imxxJiiQfAU/edo2x+wehhN OnZg== X-Forwarded-Encrypted: i=1; AJvYcCU6TBLOuOf+mDXElA+AvOvsteLMFK5WJ7FcHlTk6c1puRZgioSjOuWihwAZXrWV4D4mkyYGWgJqVmP6CZo=@vger.kernel.org X-Gm-Message-State: AOJu0YwLYQ2fFcUhAv26Ww0d7YeynrRwPn6m6BtqwQEwUtBus/rewFnr a4CNhkDLVQE/6Q7/erIAEwF1b1O9ycwpDvNF40unniEZMDkVk4dUcCSwDMRALgaXhq/EVB+/u4P 9sH5WIPcegWbuqG/m++PtOykh86mZCTTdjT0+kg9iZzjW7EmX/t3t4b8= X-Google-Smtp-Source: AGHT+IFVK47/gPFUoOtwFbq79yvjPfy21GQSjadYJYBBzJklcDbM0w7tD5J1jBtn0Uez8v/N5td546r5oiQ6+edOV3mAnerpg13/ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aa6:b0:3d4:2ea4:6b87 with SMTP id e9e14a558f8ab-3d8bf2c4acfmr27936405ab.11.1744995146754; Fri, 18 Apr 2025 09:52:26 -0700 (PDT) Date: Fri, 18 Apr 2025 09:52:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6802834a.050a0220.243d89.001f.GAE@google.com> Subject: [syzbot] [pm?] WARNING in complete_all From: syzbot To: dakr@kernel.org, gregkh@linuxfoundation.org, len.brown@intel.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 8ffd015db85f Linux 6.15-rc2 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=125920cc580000 kernel config: https://syzkaller.appspot.com/x/.config?x=104a680cd89f1ed7 dashboard link: https://syzkaller.appspot.com/bug?extid=47e57fb1309cf7e8d1bc compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-8ffd015d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/54631d1d74e9/vmlinux-8ffd015d.xz kernel image: https://storage.googleapis.com/syzbot-assets/1d54de8b3f30/Image-8ffd015d.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+47e57fb1309cf7e8d1bc@syzkaller.appspotmail.com ------------[ cut here ]------------ Not in threaded context on PREEMPT_RT as expected WARNING: CPU: 1 PID: 4317 at kernel/sched/completion.c:71 complete_all+0x1a4/0x1e4 kernel/sched/completion.c:71 Modules linked in: CPU: 1 UID: 0 PID: 4317 Comm: kworker/u8:6 Not tainted 6.15.0-rc2-syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) Workqueue: netns cleanup_net pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : complete_all+0x1a4/0x1e4 kernel/sched/completion.c:71 lr : complete_all+0x1a4/0x1e4 kernel/sched/completion.c:71 sp : ffff8000a2727630 x29: ffff8000a2727630 x28: 1fffe00003ac34ff x27: ffff00001d61a7fc x26: ffff00001d61aaf0 x25: ffff00000f4c5000 x24: 0000000000000000 x23: 0000000004208060 x22: 1ffff000144e4ee8 x21: ffff7fffe309e000 x20: ffff000017580000 x19: ffff00001d61a858 x18: ffff80008d90745c x17: ffff80008703efc0 x16: 1fffe0000d41bb38 x15: dfff800000000000 x14: ffff00006a0c85b0 x13: 0000000000000000 x12: ffff7000144e4e33 x11: 1ffff000144e4e32 x10: ffff7000144e4e32 x9 : dfff800000000000 x8 : ffff8000a2727198 x7 : ffff8000a27272a0 x6 : ffff8000a27271f0 x5 : ffff8000a27271d8 x4 : 0000000000000004 x3 : 1fffe0000d41ad55 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000017580000 Call trace: complete_all+0x1a4/0x1e4 kernel/sched/completion.c:71 (P) device_pm_remove+0x5c/0x2cc drivers/base/power/main.c:157 device_del+0x2d8/0x7b4 drivers/base/core.c:3856 netdev_unregister_kobject+0x230/0x408 net/core/net-sysfs.c:2308 unregister_netdevice_many_notify+0xd84/0x1af4 net/core/dev.c:12007 unregister_netdevice_many+0x18/0x24 net/core/dev.c:12035 cleanup_net+0x408/0x93c net/core/net_namespace.c:649 process_one_work+0x7cc/0x18d4 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x734/0xb84 kernel/workqueue.c:3400 kthread+0x348/0x5fc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 irq event stamp: 747794 hardirqs last enabled at (747793): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1525 [inline] hardirqs last enabled at (747793): [] finish_lock_switch kernel/sched/core.c:5130 [inline] hardirqs last enabled at (747793): [] finish_task_switch.isra.0+0x1a8/0x854 kernel/sched/core.c:5248 hardirqs last disabled at (747794): [] el1_dbg+0x24/0x9c arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (747746): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (747746): [] handle_softirqs+0x88c/0xdb4 kernel/softirq.c:607 softirqs last disabled at (747729): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves bond1 (unregistering): Released all slaves hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup