From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f79.google.com (mail-oa1-f79.google.com [209.85.160.79]) (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 DA5AA3B14B6 for ; Sat, 8 Aug 2026 20:08:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786219715; cv=none; b=aV7fMMgnZduK7G9nIdVvwZ81mswOLF3QS/Nsaea8+4YwsHagbT4bpXxIF5Sszr0u/sJHpdfeBjCn5ruh7DQvqTJGzY+KtwZO0ioMKHSSLVaHv/UoHKl0aKxKcwffUdZz6IOk2TWlK35LKv7rJhqJ0/uPx7TGdB6TGBskyD/zG2Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786219715; c=relaxed/simple; bh=4AzFnwyVfA75dNJEZOC4EYosK+DoB2hWWe2ZOvxvU7s=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=n1p4hj5dqoFvLjHHhBq3IJo+UE61p8vbac/Fle4f2a+vMwv1OAzKVdaMy/bRQFJar/3dmxsEII3TljSAyHOIsxIpJ1I9kzBwfbcBipCKRxj9rMYJrfhuGUUv8QsIshlVUlOZKH++uLwE4k05bpx81ek7REcvuDmjAVTd2jcseUA= ARC-Authentication-Results:i=1; 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AHgh+Rp8t9a6pGGrn3Rdjfh7BeDrI24zRmvROBSAvmAhCmSY8okI1Q277qe1EznvKvm+TG+dB53aR9jf4lHqglI=@vger.kernel.org X-Gm-Message-State: AOJu0YyY8Ksx7bEv9FliQs0RHjX3GWE1GB8nTmc2OzB5o9xT4KT53/9x TKp0DUCA0WUQhyYI23LHzPAWuPm/h6nYg2AKlwwzChqa/i826OgE4zDQ/wyGTtKR2pq3IvAvb6B 61MNtgT26cljfV9vOAHC0XTT89Kk/SMcJTSUxAuvyQEGV4NGV/H/1ht9iNfI= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:2512:b0:4ab:230c:5faa with SMTP id 5614622812f47-4b1a101502fmr7706628b6e.18.1786219712889; Sat, 08 Aug 2026 13:08:32 -0700 (PDT) Date: Sat, 08 Aug 2026 13:08:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a778cc0.01d0871a.3a0d52.006e.GAE@google.com> Subject: [syzbot] [rdma?] WARNING in res_to_rt 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: ea2bff00da89 Add linux-next specific files for 20260806 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=142d2132580000 kernel config: https://syzkaller.appspot.com/x/.config?x=b2f9169913eb6d73 dashboard link: https://syzkaller.appspot.com/bug?extid=72eddfbadda3e3928e72 compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c72fb9580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/473ce49245bc/disk-ea2bff00.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4d5bfcd186f5/vmlinux-ea2bff00.xz kernel image: https://storage.googleapis.com/syzbot-assets/281694927321/bzImage-ea2bff00.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+72eddfbadda3e3928e72@syzkaller.appspotmail.com ------------[ cut here ]------------ !dev WARNING: drivers/infiniband/core/restrack.c:138 at res_to_rt+0x1c4/0x230 drivers/infiniband/core/restrack.c:138, CPU#1: kworker/u8:4/59 Modules linked in: CPU: 1 UID: 0 PID: 59 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: ib_addr process_one_req RIP: 0010:res_to_rt+0x1c4/0x230 drivers/infiniband/core/restrack.c:138 Code: 41 5d 41 5e 41 5f c3 cc cc cc cc cc e8 b5 77 f7 f8 48 8d 3d 7e 23 97 07 43 0f b6 44 25 00 84 c0 75 48 8b 33 67 48 0f b9 3a 90 <0f> 0b 90 31 c0 eb cc 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 59 fe ff RSP: 0018:ffffc9000201f850 EFLAGS: 00010293 RAX: ffffffff88d00ce5 RBX: ffff88807f0fd4f8 RCX: ffff88801e6e0000 RDX: 0000000000000000 RSI: ffffffff8fd996f0 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffff88801e6e0000 R09: 000000000000000a R10: 0000000000000009 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff1100fe1fa9f R14: 0000000000000000 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff888125012000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00001d559c3d2000 CR3: 0000000077c4c000 CR4: 00000000003526f0 Call Trace: rdma_restrack_add+0x5a/0x8a0 drivers/infiniband/core/restrack.c:236 addr_handler+0x41a/0x5a0 drivers/infiniband/core/cma.c:3534 process_one_req+0x2eb/0x540 drivers/infiniband/core/addr.c:624 process_one_work kernel/workqueue.c:3375 [inline] process_scheduled_works+0xc4e/0x1630 kernel/workqueue.c:3458 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3539 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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