From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f208.google.com (mail-il1-f208.google.com [209.85.166.208]) (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 109294C98 for ; Wed, 19 Jun 2024 06:37:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.208 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718779040; cv=none; b=Y6nPM5j2GORVpDeOnydo29of/dEaL0U7aiu5c+o4i3f8LCCo/C9WcXZgYUqXCj08T4SjU1XobQb8xrIn4Jyek/PfXFrML4h79jqvWjYONP0BtUjrCxPQORRKyzjDhMAfXNAhhCupOq2rNXGnOvcvfCnR0MeuiwH474TDDF08Baw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718779040; c=relaxed/simple; bh=0z64VV3tdxabQq7QXHNJZwW0mSURlemtbgmNNUvtcqc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=PMCeG+STE2SkJKR1UGoYSu4qQ4qtNkw5gxMwARF80rCEtb07e+9lp3jajEIs4dvQgtAf/bOfI9YAK4cG6gsHDWvDFMU+jeAtU7UKDaAHnnNksCslM5mSIkbzu8/IwkRClcAoIlhckPzzU5A1wX6yD2Bdu39aDxilWBfaJR+6n4s= 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=209.85.166.208 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-f208.google.com with SMTP id e9e14a558f8ab-3761cec5b39so8330495ab.0 for ; Tue, 18 Jun 2024 23:37:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718779038; x=1719383838; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=lKRR7Pu4ur95ahqOkWUJajla0ZS5PHik9EHx/Q1niso=; b=xIRHHpVlDMJLztCxBfQQs/PCeoJaY068T/QSjyqY/MITgUosS5k8qDoLUmf1JQC7Dl XIdtS8w48eOff5FReegP7gupBI9ylXjmb8v/EAw/yDXxoKZmEWHxuOxwIMWV6eVED8Qu nRObrk7GEvyVe4yJi5tK3OIbxMSK0jS0kQAqbTvZqV6VKHhDymQiHt2gRndECwdZUSSz TLHp61XkFEh9ZpjDpPlBP7RaIy4y+/ObfBIs28JiXGb973QFtK/H+heGv4iojz4CtzW8 wY1WClfhYMdTbKrmalAVHWIIbSvSTq5cvyGmbfrN1R6Kn1ZiBZevqnmPMNxgU1OGS/PI wPOw== X-Forwarded-Encrypted: i=1; AJvYcCXumwZGsP7q6+ecLr1ho44d8hBeCb+Efx0zffOSnharwCcoVb3Z74T8xAZ1zcT2x/e6wc/y5rSZ428KHGoVTNP9bdXuLP6Ql9c83w== X-Gm-Message-State: AOJu0YycZecr+5IfZqLXKZsM2f/1gkm/DEA6D42bntZ+9FIzn6FikyWG vUnXwV6qxOOuLRnUWs6UIsbe1NvMByI8zL7IuBg4LWAk5WqUW2QhGC05YO8xqQAq8wJgZ9PgyTf cgxeSCx2rG4SDWiHfxQzkeBrnTQxVQO9E4DJCDvHh0eQPyD1aD8xw1hE= X-Google-Smtp-Source: AGHT+IFVjj07L1AdLCCar8TpedvGivk7nJb+5deA/qD8EzAkCU8m/tTFpv4F88j0t+6hmFG8svdjcnlN9922Vb353k5um2B5lnhh Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20ed:b0:375:e04f:55d0 with SMTP id e9e14a558f8ab-3761d6665aemr1055475ab.2.1718779038231; Tue, 18 Jun 2024 23:37:18 -0700 (PDT) Date: Tue, 18 Jun 2024 23:37:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000057e4c061b386e23@google.com> Subject: [syzbot] [rdma?] WARNING in ib_uverbs_release_dev From: syzbot To: jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 2ccbdf43d5e7 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=179e93fe980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fa0ce06dcc735711 dashboard link: https://syzkaller.appspot.com/bug?extid=19ec7595e3aa1a45f623 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/27e64d7472ce/disk-2ccbdf43.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e1c494bb5c9c/vmlinux-2ccbdf43.xz kernel image: https://storage.googleapis.com/syzbot-assets/752498985a5e/bzImage-2ccbdf43.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+19ec7595e3aa1a45f623@syzkaller.appspotmail.com smc: removing ib device syz0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 51 at kernel/rcu/srcutree.c:653 cleanup_srcu_struct+0x404/0x4d0 kernel/rcu/srcutree.c:653 Modules linked in: CPU: 0 PID: 51 Comm: kworker/u8:3 Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: ib-unreg-wq ib_unregister_work RIP: 0010:cleanup_srcu_struct+0x404/0x4d0 kernel/rcu/srcutree.c:653 Code: 12 80 00 48 c7 03 00 00 00 00 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d e9 14 67 34 0a 90 0f 0b 90 eb e7 90 0f 0b 90 eb e1 90 <0f> 0b 90 eb db 90 0f 0b 90 eb 0a 90 0f 0b 90 eb 04 90 0f 0b 90 48 RSP: 0018:ffffc90000bb7970 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffff88802a1bc980 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffd74c58 RBP: 0000000000000001 R08: ffffe8ffffd74c5f R09: 1ffffd1ffffae98b R10: dffffc0000000000 R11: fffff91ffffae98c R12: dffffc0000000000 R13: ffff88802285b5f0 R14: ffff88802285b000 R15: ffff88802a1bc800 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa3852cae10 CR3: 000000000e132000 CR4: 0000000000350ef0 Call Trace: ib_uverbs_release_dev+0x4e/0x80 drivers/infiniband/core/uverbs_main.c:136 device_release+0x9b/0x1c0 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x231/0x480 lib/kobject.c:737 remove_client_context+0xb9/0x1e0 drivers/infiniband/core/device.c:776 disable_device+0x13b/0x360 drivers/infiniband/core/device.c:1282 __ib_unregister_device+0x6d/0x170 drivers/infiniband/core/device.c:1475 ib_unregister_work+0x19/0x30 drivers/infiniband/core/device.c:1586 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- 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