From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 977752E718F for ; Fri, 12 Sep 2025 21:44:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757713475; cv=none; b=XxLa6DuQ5jlht0ojMW/NslL7hsHsosYF6oPgqP8Pf8sbnlyBl/Xbgp7gwi9Ht5ZGRZDD7h9Km5B6lDPWTZGd4S1WAdrhPQaBI1n51K0Li8v/2zNolF3IDTcdL1ZBufVNJa1m0XRCs5mAByhabKG3N27LGSpttw3Ah+ljCe0pf58= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757713475; c=relaxed/simple; bh=gRLQuXstBPOtMJTHZBdpUfzKT/ITK6YTI7I+99Obfs4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=YiShi86bZRsoItut1LQbps7/DzCyS6yf64bM1HhdVdGmY9Te38eFe2aONRw92eF9i/bQK/aS27FHRjwHPBBjeHl8PBtU9COU/NqgsnKsPf9QaYfYnnY5Os9rX+03KdDReCG1A1DdqwiGzkRjJX2srBlGj31wdYme8flcUPKqIqM= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3f6f0058e9aso67242855ab.3 for ; Fri, 12 Sep 2025 14:44:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757713473; x=1758318273; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=8hyQ8S5r+0Rxs1CFmzpbeoHa1lv7gC7C8ZUQypw2Kmo=; b=hQhHUMQZrLkEMiOap+dJkMxjHJ1elnfVIRx9pGPR8faTmtLGp/Q1BFjpS27vzSz+IF lQhY8rMe+f8D25l6/pEaxWtLWDg62JESbw2ZVBgAOBvTOIVKLPH/pJdWe6/x2OYbzkhi dB+C8MQCU3pVcpE6VLJXK1Yc+M3v38WH4WO2ez+2TgZioqap7UJ7SBycfvSv72v1s5an 6AGczpeE/A+5xIw99Gu3xelmNx7m9xS7KYlq+5GH3SUJCgO+kdIm8eejCg6cqqI1AKfm LrmJLBZ3zbj3tWy1gm60E7Tx+N2uOZqlnXveJN7Q0nwzQZ1/FZg5bI7/vXAFdISDh3SX eVrA== X-Gm-Message-State: AOJu0YzujMJqMlz3nFZDF6iXZ2d/MwkWJXjrM0ivmvc8mrAcouF7tnXX q6Qxtk9/k9hFRUua+hqeHHo6EjqW8f12DtyxVeOnxMEYa9vggaptPWvEy27OeinZr/T1by2VkEm cAS81XsowKGCxkQW9WhzyiuDISJZiyq1AfeMw53X30PJHTcAtaqr5m9Won7I= X-Google-Smtp-Source: AGHT+IHOT7tTEM39ucPUtH221ukVS19inV3EzGvCsyNcGoxa/9T7PRRIfoN/zAaiaoZnbToitszED/RVT74GfNnwug1+6oMjO+07 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a2e:b0:408:1624:b2ef with SMTP id e9e14a558f8ab-4209e08f0dcmr71184185ab.6.1757713472877; Fri, 12 Sep 2025 14:44:32 -0700 (PDT) Date: Fri, 12 Sep 2025 14:44:32 -0700 In-Reply-To: <68232e7b.050a0220.f2294.09f6.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c49440.a70a0220.3543fc.003d.GAE@google.com> Subject: Forwarded: Re: [syzbot] [rdma?] WARNING in gid_table_release_one (3) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Re: [syzbot] [rdma?] WARNING in gid_table_release_one (3) Author: yanjun.zhu@linux.dev #syz test: https://github.com/zhuyj/linux.git v6.17_fix_gid_table_release_one On 9/12/25 2:43 PM, syzbot wrote: >> #syz test:https://github.com/zhuyj/linux.git v6.17_fix_gid_table_release_one > unknown command "test:https://github.com/zhuyj/linux.git" > >> On 9/12/25 2:20 PM, syzbot wrote: >>> Hello, >>> >>> syzbot has tested the proposed patch but the reproducer is still triggering an issue: >>> WARNING in gid_table_release_one >>> >>> WARNING: CPU: 1 PID: 1342 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] >>> WARNING: CPU: 1 PID: 1342 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x346/0x4d0 drivers/infiniband/core/cache.c:886 >>> Modules linked in: >>> CPU: 1 UID: 0 PID: 1342 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) >>> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 >>> Workqueue: ib-unreg-wq ib_unregister_work >>> RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:806 [inline] >>> RIP: 0010:gid_table_release_one+0x346/0x4d0 drivers/infiniband/core/cache.c:886 >>> Code: e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 3d 41 8b 0e 48 c7 c7 00 46 71 8c 4c 89 e6 44 89 fa e8 3b a5 fa f8 90 <0f> 0b 90 90 e9 e3 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c >>> RSP: 0018:ffffc90004bff908 EFLAGS: 00010246 >>> RAX: 6115427e6ab01100 RBX: ffff88807855c2d8 RCX: ffff888027abbc00 >>> RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 >>> RBP: 1ffff1100f0ab85b R08: 0000000000000003 R09: 0000000000000004 >>> R10: dffffc0000000000 R11: fffffbfff1bfa24c R12: ffff8880206a4b40 >>> R13: ffff88807855c200 R14: ffff88801ffd5a00 R15: 0000000000000002 >>> FS: 0000000000000000(0000) GS:ffff888125d16000(0000) knlGS:0000000000000000 >>> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>> CR2: 0000200000000240 CR3: 000000005e54a000 CR4: 00000000003526f0 >>> Call Trace: >>> >>> ib_device_release+0xd2/0x1c0 drivers/infiniband/core/device.c:509 >>> device_release+0x99/0x1c0 drivers/base/core.c:-1 >>> kobject_cleanup lib/kobject.c:689 [inline] >>> kobject_release lib/kobject.c:720 [inline] >>> kref_put include/linux/kref.h:65 [inline] >>> kobject_put+0x22b/0x480 lib/kobject.c:737 >>> process_one_work kernel/workqueue.c:3236 [inline] >>> process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319 >>> worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 >>> kthread+0x70e/0x8a0 kernel/kthread.c:463 >>> ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:148 >>> ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 >>> >>> >>> >>> Tested on: >>> >>> commit: e5320428 RDMA/rxe: Add logs to find out the root cause >>> git tree:https://github.com/zhuyj/linux.git v6.17_fix_gid_table_release_one >>> console output:https://syzkaller.appspot.com/x/log.txt?x=12829934580000 >>> kernel config:https://syzkaller.appspot.com/x/.config?x=4239c29711f936f >>> dashboard link:https://syzkaller.appspot.com/bug?extid=b0da83a6c0e2e2bddbd4 >>> compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 >>> >>> Note: no patches were applied.