From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id ADF80C4167B for ; Tue, 29 Nov 2022 09:28:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231664AbiK2J2i (ORCPT ); Tue, 29 Nov 2022 04:28:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231126AbiK2J2g (ORCPT ); Tue, 29 Nov 2022 04:28:36 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B9C431EFF for ; Tue, 29 Nov 2022 01:28:35 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id l4-20020a056e021aa400b00300ad9535c8so11526913ilv.1 for ; Tue, 29 Nov 2022 01:28:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=DwHYHMia3SWsCol0zN9hefpCR+EbC2cAXKhyYNd3Nv0=; b=Zi7JkcE5OBjXyBUb3kMScI8qHcrrG/PF6mtZWsMmQBqt/BAtcbIwhb1BPxt4HCmxuT lKijt+9sTD+dJrs3fquK7lW6KnLjGDPuMHpzL9DTsphIwNmAByskGT6Qdw5PDW/S19/o WBWSwRTsT7RYyLYJMiQeJTDXa5+w+FM48YGM2tCsueU8Ga1gXw8RD+Sl+eqRkd9Zo8j9 2OA2W8dwx8R3zrUZCQb9bnKXFynYbsQElwtu4uiiqxlRdDJmk+8JFDrf+CAuR+TczEYI difs3Gzz2YvRCiJ3F/AfJTpq52tuZplIpcA8hKXnaFolhGdPw/wYVx+q71YqKvVW6SCP +XzA== X-Gm-Message-State: ANoB5plYse+vMUsbXO7Fdup40dieawcbX/M2q2SuFpm4tkkaywGUFxx4 3EthEtpzsbNnQa++QRKAZeVNWAHWa6F9YHl1ABHBTl3cE6VD X-Google-Smtp-Source: AA0mqf4SlM8ZeHbB1FFBLv6NUjJCFRWfI2GPv7cccYZgGVE2lI1V1zt406ZHnpm7RPupUcg/iYBCP6IjCXRt7LgVhJ3S5L9rx0od MIME-Version: 1.0 X-Received: by 2002:a92:7310:0:b0:302:571f:8d7f with SMTP id o16-20020a927310000000b00302571f8d7fmr25219913ilc.53.1669714114517; Tue, 29 Nov 2022 01:28:34 -0800 (PST) Date: Tue, 29 Nov 2022 01:28:34 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ac218905ee989c07@google.com> Subject: [syzbot] WARNING in batadv_nc_purge_paths 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 65762d97e6fa Merge branch 'for-next/perf' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=1558f7fd880000 kernel config: https://syzkaller.appspot.com/x/.config?x=56d0c7c3a2304e8f dashboard link: https://syzkaller.appspot.com/bug?extid=5b817d9e3b5fb5f051fc compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/52f702197b30/disk-65762d97.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/72189c2789ce/vmlinux-65762d97.xz kernel image: https://storage.googleapis.com/syzbot-assets/ec0349196c98/Image-65762d97.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5b817d9e3b5fb5f051fc@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3498 at kernel/softirq.c:376 __local_bh_enable_ip+0x180/0x1a4 kernel/softirq.c:376 Modules linked in: CPU: 1 PID: 3498 Comm: kworker/u4:11 Not tainted 6.1.0-rc6-syzkaller-32653-g65762d97e6fa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: bat_events batadv_nc_worker pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __local_bh_enable_ip+0x180/0x1a4 kernel/softirq.c:376 lr : __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] lr : _raw_spin_unlock_bh+0x48/0x58 kernel/locking/spinlock.c:210 sp : ffff80001398bc60 x29: ffff80001398bc60 x28: ffff80000d2fb000 x27: ffff80000d2fb000 x26: 000000000000007e x25: 0000000000000004 x24: 0000000000000000 x23: ffff0000f2dcdf80 x22: 0000000000000000 x21: ffff00011ed2b480 x20: ffff80000bf44c08 x19: 0000000000000201 x18: 0000000000000163 x17: ffff80000c0cd83c x16: ffff80000dbe6158 x15: ffff00011ed2b480 x14: 00000000000000c8 x13: 00000000ffffffff x12: ffff00011ed2b480 x11: ff808000095cfff8 x10: 00000000ffffffff x9 : ffff80000d2d09a0 x8 : 0000000000000201 x7 : ffff80000bf44a98 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000201 x0 : ffff80000bf44c08 Call trace: __local_bh_enable_ip+0x180/0x1a4 kernel/softirq.c:376 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x48/0x58 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:395 [inline] batadv_nc_purge_paths+0x1d0/0x214 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x3a8/0x484 net/batman-adv/network-coding.c:722 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 28503233 hardirqs last enabled at (28503231): [] __local_bh_enable_ip+0x13c/0x1a4 kernel/softirq.c:401 hardirqs last disabled at (28503233): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (28503233): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (28503230): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (28503230): [] batadv_nc_purge_paths+0x1d0/0x214 net/batman-adv/network-coding.c:471 softirqs last disabled at (28503232): [] spin_lock_bh include/linux/spinlock.h:355 [inline] softirqs last disabled at (28503232): [] batadv_nc_purge_paths+0x60/0x214 net/batman-adv/network-coding.c:442 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. 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