From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi2-f7.google.com (mail-oi2-f7.google.com [74.125.231.199]) (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 A755A2AE7A for ; Fri, 28 Aug 2026 00:23:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.231.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787876612; cv=none; b=emtk1O5JxtVkQ7A7IeTCsXOJuP8DaPLBf+TGns/MTNlq6XuKqdQYq98M30wunR18lxa0IEfFXTlHEzHGD3OwxnLxlEUVOSIQaE/ln8hP7fS3om+hJHl9BUBuzcfVf1p9Cl9tS9T1Q0TFRBWH2ObRTsa8zEkNPonBQgbAhxMBy+Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787876612; c=relaxed/simple; bh=caimQNcN2rW3DEi03DRHEGcEBfK6kOJ0DZblAcU+G0Q=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=sGSZSot2vq2I6EDWyVP/r1u3fngxvm0+U2cprBblPHXBTAZBBjZyykMls9NO/Cbb6hhd5xWwPdEZeeG6j0W482KLE52U9710AoVv2xrrVzY97N/mum4w5XHqFVChXH4BujUw6PPzSeB8u0oaivIgvs4jEu6H6WCl4ptOYybqmsg= 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=74.125.231.199 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-oi2-f7.google.com with SMTP id 5614622812f47-4b38bf64bfcso183716b6e.0 for ; Thu, 27 Aug 2026 17:23:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787876609; x=1788481409; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=riI6xZ5vVUH4NJYPmz62/YJnB7GrfXBnz2sLACtuAeA=; b=eLRv8RAqFpXDqQcEZBpXNnvPRm68oUMgLWL55rKWMGyc4Sd02zvHqDH4JckveZJI1g 4UIDO16bDWpe5M7yX3O+EYV+mxh12+zu75cLp8DM3BdZfcZbl7SOaEyr/6kyZqShHho3 H74AczEaVSj1pZWnKRslpO37LuWPt+PtxomAz9Nu4eyPBzpBtNsDjIkp70rvYjRwqOqQ TZoM552w43eIVNivizAub3fBghfw/1ASaSoa4541iII0xrNduf9yTDUajPB0cgbnK1ID CO4QBb2gdXq10n1W9TiKdvEmAG+VSaN2XMKEKvQnqE+wwMq5yjCU6DBDcRTQE0X45FDm w8YA== X-Forwarded-Encrypted: i=1; AHgh+RpNjcrrEIzzmxj7cR62g6WJgJYAt/sCNArezrZfYHBa08jDq85+e3PXRG2CIqefQc8P2AKS2liP9VQBqwA=@vger.kernel.org X-Gm-Message-State: AFuF++lp6aRwjtakXPjjj14HcvRIif2cIbtpjnWuWT3/z2J8oPbJOmuI Ld5BfW25dLtzq9jxmlFNtn58y7t8FpLwptau+DIJQCKumkvvYCUdW3DrZI8Uf4/2p94eZ81mgPy NemUAccOBBWvSDDJSuI+W1eT9XcKP/u7FGyvTOmFIht8DH67QDGbU8mHCmkY= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:c165:b0:4ab:3210:b31a with SMTP id 5614622812f47-4b398253454mr3588570b6e.14.1787876609677; Thu, 27 Aug 2026 17:23:29 -0700 (PDT) Date: Thu, 27 Aug 2026 17:23:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a90d501.1d9ded08.62e62.00df.GAE@google.com> Subject: [syzbot] [rdma?] WARNING in ib_cq_pool_cleanup From: syzbot To: jgg@ziepe.ca, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 73e3f0710014 Merge tag 'nfs-for-7.3-1' of git://git.linux-.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12977415580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c2d3e2a7997c1d5c dashboard link: https://syzkaller.appspot.com/bug?extid=d396918a29afb8543e1c compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/725c76492ae5/disk-73e3f071.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b4b32ef07d3c/vmlinux-73e3f071.xz kernel image: https://storage.googleapis.com/syzbot-assets/afd59682ac03/bzImage-73e3f071.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d396918a29afb8543e1c@syzkaller.appspotmail.com smbdirect: ib_dev[syz2] removed ------------[ cut here ]------------ cq->cqe_used WARNING: drivers/infiniband/core/cq.c:370 at ib_cq_pool_cleanup+0x248/0x370 drivers/infiniband/core/cq.c:370, CPU#1: kworker/u8:22/17817 Modules linked in: CPU: 1 UID: 0 PID: 17817 Comm: kworker/u8:22 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: ib-unreg-wq ib_unregister_work RIP: 0010:ib_cq_pool_cleanup+0x248/0x370 drivers/infiniband/core/cq.c:370 Code: 41 f9 41 83 fe 03 0f 85 01 fe ff ff e8 21 92 41 f9 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f e9 fe b1 06 03 e8 09 92 41 f9 90 <0f> 0b 90 eb 84 e8 3e 76 b4 f9 e9 67 ff ff ff 48 8b 34 24 48 c7 c7 RSP: 0018:ffffc90004bcfac8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffff88802e53a580 RSI: ffffffff88ca43e7 RDI: ffff88802e53a580 RBP: ffff888028e1c000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000804 R11: 0000000000000000 R12: ffff888058b09840 R13: ffff88807d614ed0 R14: 0000000000000804 R15: ffff888058b09800 FS: 0000000000000000(0000) GS:ffff888123c6b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efff0e27dac CR3: 000000005a096000 CR4: 00000000003526f0 Call Trace: disable_device+0x161/0x280 drivers/infiniband/core/device.c:1328 __ib_unregister_device+0x2b4/0x480 drivers/infiniband/core/device.c:1571 ib_unregister_work+0x19/0x30 drivers/infiniband/core/device.c:1683 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3551 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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