From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 550DA19BAC for ; Wed, 21 Jun 2023 18:28:50 +0000 (UTC) Received: from mail-io1-xd4e.google.com (mail-io1-xd4e.google.com [IPv6:2607:f8b0:4864:20::d4e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE33E1FCE for ; Wed, 21 Jun 2023 11:28:18 -0700 (PDT) Received: by mail-io1-xd4e.google.com with SMTP id ca18e2360f4ac-77b257b9909so651926539f.0 for ; Wed, 21 Jun 2023 11:28:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687372033; x=1689964033; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=SM44jaBHDK4+HpvQQwzk0Gkvb0ZUSmlYthl5LL2RKq4=; b=YrtIm3XZ1N4HoHP0DzQVuL/uUyCAry6v99vHLWkNNbYw4+8HJXX3U4AvhBb5erAoC3 BVRsH3pl2BQmOnbdP0q+23MgfZeC6cZD20OXodiEvATvLLi9HvYrTQ3ERJB0L5Qi6VMB jnBTKwjYZugm1N0d1hmWM+MC9tYjtdLwNLtmSVCddeNCM0NBz25srvjHfHJ/4gYZXG+q cXfQh7MVxPrFComkDQn7b6Lt6IrMOGj7sCis98mcsIxhLjS68kKpSMDhOY8nWARk+SmC VjNDTIlUFzMuJLsF2HCaHRmpxQpMGtqAgDcLNQPEm1FynreJTHuO8bRhh9LrJWkHua+M 68CA== X-Gm-Message-State: AC+VfDwojBpKMrCy1d4dlnDUgLOwi3pd0VdzcYYudkNLwWv6fm7xsLfI vJC7ZYFIbtjEHTUqxDJLlflApW4q3N09wHtaAvP/RAgrnjy8 X-Google-Smtp-Source: ACHHUZ7jHo5FZZPRy71WKzHWombGzEdTy3syd1PGh14WTAvKMyegefApYIwOM5qO5JZsvxJE4Ymtvh1w2P2gpX99qmq0SKTpEGsy Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a02:9402:0:b0:426:7963:1177 with SMTP id a2-20020a029402000000b0042679631177mr3463331jai.0.1687372033518; Wed, 21 Jun 2023 11:27:13 -0700 (PDT) Date: Wed, 21 Jun 2023 11:27:13 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a973eb05fea7ea3d@google.com> Subject: [syzbot] [batman?] WARNING in batadv_dat_free (2) From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, pabeni@redhat.com, sven@narfation.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,SORTED_RECIPS, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hello, syzbot found the following issue on: HEAD commit: 970308a7b544 selftests/bpf: Set the default value of consu.. git tree: bpf-next console output: https://syzkaller.appspot.com/x/log.txt?x=1788094b280000 kernel config: https://syzkaller.appspot.com/x/.config?x=ba5f40cc4484255a dashboard link: https://syzkaller.appspot.com/bug?extid=6c881e6772625dc7feed compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/fc4c2bba1144/disk-970308a7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1075dd8a55dc/vmlinux-970308a7.xz kernel image: https://storage.googleapis.com/syzbot-assets/59f3fdc83b37/bzImage-970308a7.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6c881e6772625dc7feed@syzkaller.appspotmail.com bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1005 at kernel/workqueue.c:642 set_work_data kernel/workqueue.c:642 [inline] WARNING: CPU: 1 PID: 1005 at kernel/workqueue.c:642 clear_work_data kernel/workqueue.c:705 [inline] WARNING: CPU: 1 PID: 1005 at kernel/workqueue.c:642 __cancel_work_timer+0x4d1/0x570 kernel/workqueue.c:3278 Modules linked in: CPU: 1 PID: 1005 Comm: kworker/u4:5 Not tainted 6.4.0-rc3-syzkaller-00722-g970308a7b544 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: netns cleanup_net RIP: 0010:set_work_data kernel/workqueue.c:642 [inline] RIP: 0010:clear_work_data kernel/workqueue.c:705 [inline] RIP: 0010:__cancel_work_timer+0x4d1/0x570 kernel/workqueue.c:3278 Code: e8 34 08 0e 00 e9 e1 fb ff ff e8 2a 41 30 00 e8 55 f5 bb 08 e9 51 fd ff ff e8 1b 41 30 00 0f 0b e9 a6 fc ff ff e8 0f 41 30 00 <0f> 0b e9 c0 fd ff ff e8 b3 4e 83 00 e9 fd fe ff ff e8 f9 40 30 00 RSP: 0018:ffffc90005237920 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88802076d940 RSI: ffffffff815401c1 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888019b654b0 R13: 1ffff92000a46f25 R14: 0000000000000001 R15: ffff88802076d940 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31ad4beba8 CR3: 000000002a10a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: batadv_dat_free+0x45/0xe0 net/batman-adv/distributed-arp-table.c:840 batadv_mesh_free+0x89/0x170 net/batman-adv/main.c:270 batadv_softif_free+0x15/0x20 net/batman-adv/soft-interface.c:984 netdev_run_todo+0x6bf/0x1100 net/core/dev.c:10395 default_device_exit_batch+0x456/0x5b0 net/core/dev.c:11395 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:614 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 --- 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 bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup