From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) (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 14C02185082 for ; Fri, 14 Jun 2024 08:20:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718353220; cv=none; b=cC9NdmKZK3V7aq1IFFJmtFJhjTRuVvbQsYrjD4jtAFcgfdBXouS7ivde9NZElzzKDO8kc3mkPrXJuBU5Uesj99wln1awlRQ8L3DRMhvR4gTvYRzQ9q680JXfASKheuiCffczgyjHca2h3yisEzJOi7fD/XHolvXT5bHgqte5Feg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718353220; c=relaxed/simple; bh=4IyZUPiN7XkzOKxC9ha9pjCQBoOIxTEwiHoGnTYoB4w=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=hq94JnTGBcMSDNuFwKbPwNonhSSEMZSZpG+M7zGD/YPnqh1vrM75roQ4hiJqVIq8os9xN9tUtDydfQM5kwid9ztJBXEn3yw6JjHiTDKZk42tz2rc8iXdcMsXzDahRfwtb89gw8c6Thwwgg7e4nW5Jm90b686gN6NYH4gLc6wbVA= 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=209.85.166.79 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-io1-f79.google.com with SMTP id ca18e2360f4ac-7e6e4a83282so201940039f.2 for ; Fri, 14 Jun 2024 01:20:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718353218; x=1718958018; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=xFXScuID2XY3qkGj3x/dO8+McuUiGZggiBg1rAExOaM=; b=TvEmzAdtJESGftI1Z5t8K4M8s+dmbLzUzyV08XIP7AAB5SHus0c5jZex6S9f/aizbs kqsUEkFnyiTpFpnsKLqXc/gZeM015pd9wegsWVVRqM8gyWkNSBTPkweR/ayWmClL3wkJ AdyoWLizRPrqdBNoPN8WmDMgur7M9hPfoMsmmN6wXL8nNbgtVN18WIcZG+sObqBjcbb3 m/Z9tTx2RiYglkwCOcVZX9qPBtz2JzPJAGoQ2r9mhVVrr8h6QAY3TBwuV6eMH3uQSpRd cBcu76NCkkkJ7w6ySdeUv/fT0LUbPOVpNvTUAPgQZ47gg+ZcEeyT0O1h1S4IGZPnpeea ldBA== X-Forwarded-Encrypted: i=1; AJvYcCVDyxtRP2aUEpCtLIFMSlmid+3UsWtGUxZq5Cvw+kpTUrCEWOyMPUNLy0X2BckrXkuTB3Mdfe2uQsigPxplozPPe2phA0CbLkJoyCek X-Gm-Message-State: AOJu0Ywep5qO1DK7KnZ/+qhccR9WM1vFRucUjZ0VKAONpw38JmWFU4SR ZNa0YFKDyaEwqrGlFxaP1bl8L4/MpO2QNKnLq2eJG0IKpmnoSfBKmCXyU4GBV/DFjeaf3H+CgjX 6t0fhHkL1j8MGiPREg6ni/4TbkQQ5W32Sqe1VDcbt16nMwqsowTxLGbk= X-Google-Smtp-Source: AGHT+IHpJTJ2gAQazRe7iSSah696ZKLUaFKIlZT4SQeysZWw5IgR4M+G8gsYeVz0EUdKstB8FEO60uuCaZ0bmQDeTZjkOOJZgGb1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:1307:b0:4b9:43be:d3fd with SMTP id 8926c6da1cb9f-4b9640e3aadmr106374173.4.1718353218321; Fri, 14 Jun 2024 01:20:18 -0700 (PDT) Date: Fri, 14 Jun 2024 01:20:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002d4832061ad549c9@google.com> Subject: [syzbot] [netfilter?] net-next test error: WARNING: suspicious RCU usage in _destroy_all_sets From: syzbot To: coreteam@netfilter.org, davem@davemloft.net, edumazet@google.com, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pabeni@redhat.com, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 5f703ce5c981 net: hsr: Send supervisory frames to HSR netw.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=1313bb36980000 kernel config: https://syzkaller.appspot.com/x/.config?x=7266aeba025a54a4 dashboard link: https://syzkaller.appspot.com/bug?extid=cfbe1da5fdfc39efc293 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/739147e76c4b/disk-5f703ce5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4a1004e7b8ba/vmlinux-5f703ce5.xz kernel image: https://storage.googleapis.com/syzbot-assets/544a55547eb9/bzImage-5f703ce5.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cfbe1da5fdfc39efc293@syzkaller.appspotmail.com ============================= WARNING: suspicious RCU usage 6.10.0-rc3-syzkaller-00655-g5f703ce5c981 #0 Not tainted ----------------------------- net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u8:8/3913: #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015edd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc9000c4bfd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc9000c4bfd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5db390 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594 stack backtrace: CPU: 0 PID: 3913 Comm: kworker/u8:8 Not tainted 6.10.0-rc3-syzkaller-00655-g5f703ce5c981 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 lockdep_rcu_suspicious+0x221/0x340 kernel/locking/lockdep.c:6712 _destroy_all_sets+0x232/0x5f0 net/netfilter/ipset/ip_set_core.c:1200 ip_set_net_exit+0x20/0x50 net/netfilter/ipset/ip_set_core.c:2396 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:640 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/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