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 05B11C433F5 for ; Tue, 11 Jan 2022 03:01:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234693AbiAKDBQ (ORCPT ); Mon, 10 Jan 2022 22:01:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231590AbiAKDBO (ORCPT ); Mon, 10 Jan 2022 22:01:14 -0500 Received: from mail-yb1-xb31.google.com (mail-yb1-xb31.google.com [IPv6:2607:f8b0:4864:20::b31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56AAFC06173F; Mon, 10 Jan 2022 19:01:14 -0800 (PST) Received: by mail-yb1-xb31.google.com with SMTP id h14so26102481ybe.12; Mon, 10 Jan 2022 19:01:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to:cc; bh=MWvcAvXFOF/Z8QQUHp2bmP40nPXieQHtuAf08iJH6U8=; b=Ygv8h6i2/BRZHQOOUaST9LF3sjvhvBjSsxOidbDpbYYZ2qXItEwGd5CtwxfJP8M4pr VV9y6cJNqdqChts0GCDEtHIo4Et2gOKpQ2IJ1hOVDWahZqXkt/Brt9ZXDqkupMTlQM17 D1tBfvuo410zCVwA4Q+cp0pGHsC3ACHpB1A1N0nNDeO+cUEjDwmJhNZCz+7N3k8ma8Zg +RWw3e+K93kdje75UlnLEgN1n3F0z2xbPU1vQ0or+UZqdwyohmLaEgyHUf2AWsm//IfY 0J/NyWg4hwArqqdCJqvXqwpI9x/onQNTkR2quL6QaoCIGAQ6dPg0wE3oy2ChdSUi0z8T vFSA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=MWvcAvXFOF/Z8QQUHp2bmP40nPXieQHtuAf08iJH6U8=; b=IiK+GHq8umJXAZoXXE0UPlAx7I5DQU0dCJJIOrlXJYSNf1Dw7bPpz6QrBRwqHmUQRY 1NqyNdRZZPTsKA2yzpOll3zHb0oQhCyRjB4OlMdFDV8kxnNnWfJdhI+MgZEF2mIOHgNw k7WNmzZ0xQfUGV+UiZ3odoVMRG7KsDARref/LHVQXPFpKCj0wsqBuE/yE8ApxH64NEFt dTvuiLs2TDNjWGZwJfV1GnM13odmslxpq1gRozFti4hedzDstbehOsbELiL8WpA1UYkq nFwApKLdG4wZUSupZNQiJZMhif0yNy3HV9TqwgAevI/dOyAiSNag81qqpLM8Cp3GK041 isww== X-Gm-Message-State: AOAM530+ikpJtYfCnfDvVFQh1j2BgXfS17qB8B0p49NYwWX1kkYTRmcn R/H34pAASjYKWG+OdYHslQIARdq6nZApH23kGwjbmUTDDTgqaGhE5Rw= X-Google-Smtp-Source: ABdhPJzb89UvH8xmUGtFFAYjnuqiogDNOsac6Hev3lNTOBkPEYuaxHU+CHegsrS+ixre/iUmjyFZmxqkVSRT/lBD8qY= X-Received: by 2002:a25:4aca:: with SMTP id x193mr3559114yba.149.1641870073630; Mon, 10 Jan 2022 19:01:13 -0800 (PST) MIME-Version: 1.0 From: cruise k Date: Tue, 11 Jan 2022 11:01:03 +0800 Message-ID: Subject: INFO: task hung in nl802154_pre_doit To: Alexander Aring , Stefan Schmidt , "David S. Miller" , Jakub Kicinski , linux-wpan@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: sunhao.th@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Syzkaller found the following issue: HEAD commit: 75acfdb Linux 5.16-rc8 git tree: upstream console output: https://pastebin.com/raw/AzAMX5zz kernel config: https://pastebin.com/raw/XsnKfdRt And hope the report log can help you. [ 1251.721354][ T59] INFO: task syz-executor.0:2134 blocked for more than 143 seconds. [ 1251.722724][ T59] Not tainted 5.16.0-rc8+ #10 [ 1251.723664][ T59] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1251.725148][ T59] task:syz-executor.0 state:D stack:27536 pid: 2134 ppid: 13069 flags:0x00000004 [ 1251.726742][ T59] Call Trace: [ 1251.727272][ T59] [ 1251.727788][ T59] __schedule+0xcd9/0x2550 [ 1251.728512][ T59] ? io_schedule_timeout+0x150/0x150 [ 1251.731002][ T59] schedule+0xd2/0x260 [ 1251.731762][ T59] schedule_preempt_disabled+0xf/0x20 [ 1251.732627][ T59] __mutex_lock+0xc48/0x1610 [ 1251.733367][ T59] ? nl802154_pre_doit+0x645/0xd30 [ 1251.734194][ T59] ? mutex_lock_io_nested+0x1410/0x1410 [ 1251.735387][ T59] ? __nla_validate_parse+0x2df/0x2400 [ 1251.736727][ T59] ? nla_get_range_signed+0x520/0x520 [ 1251.737977][ T59] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 1254.756569][ T3364] lowmem_reserve[]: 0 0 852 852 852 [ 1254.757520][ T3364] Node 1 Normal free:36116kB boost:0kB min:24292kB low:30364kB high:36436kB reserved_highatomic:12288KB active_anon:15552kB inactive_anon:191888kB active_file:0kB inactive_file:56kB unevictable:1536kB writepending:0kB present:1048576kB managed:872480kB mlocked:0kB bounce:0kB free_pcp:4952kB local_pcp:776kB free_cma:0kB [ 1254.852260][ T2256] Node 0 DMA free:6572kB boost:2048kB min:2472kB low:2576kB high:2680kB reserved_highatomic:0KB active_anon:12kB inactive_anon:4636kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:8kB local_pcp:8kB free_cma:0kB [ 1254.856691][ T2256] lowmem_reserve[]: 0 1333 1333 1333 1333 [ 1254.857666][ T2256] Node 0 DMA32 free:98544kB boost:85540kB min:123560kB low:133064kB high:142568kB reserved_highatomic:16384KB active_anon:10888kB inactive_anon:467648kB active_file:4kB inactive_file:1424kB unevictable:1536kB writepending:0kB present:2080768kB managed:1372868kB mlocked:0kB bounce:0kB free_pcp:4416kB local_pcp:316kB free_cma:0kB [ 1255.151925][ T59] ? nl802154_pre_doit+0x645/0xd30 [ 1255.152819][ T59] ? rtnl_lock+0x5/0x20 [ 1255.153500][ T59] nl802154_pre_doit+0x645/0xd30 [ 1255.154329][ T59] ? __nla_parse+0x3d/0x50 [ 1255.155330][ T59] ? nl802154_dump_llsec_dev+0xba0/0xba0 [ 1255.156224][ T59] ? write_comp_data+0x1c/0x70 [ 1255.157031][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40 [ 1255.158010][ T59] ? genl_family_rcv_msg_attrs_parse.isra.0+0x1ae/0x280 [ 1255.159174][ T59] ? nl802154_dump_llsec_dev+0xba0/0xba0 [ 1258.792471][ T1340] ieee802154 phy1 wpan1: encryption failed: -22 [ 1258.882579][ T3364] lowmem_reserve[]: 0 0 0 0 0 [ 1260.285180][ T59] genl_family_rcv_msg_doit.isra.0+0x1e4/0x330 [ 1260.286249][ T59] ? genl_start+0x670/0x670 [ 1260.287076][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40 [ 1260.287968][ T59] ? __radix_tree_lookup+0x21b/0x2b0 [ 1260.288832][ T59] ? __sanitizer_cov_trace_pc+0x1a/0x40 [ 1260.997983][ T2256] lowmem_reserve[]: 0 0 0 0 0 [ 1260.998899][ T2256] Node 1 DMA32 free:21864kB boost:0kB min:27368kB low:34208kB high:41048kB reserved_highatomic:0KB active_anon:0kB inactive_anon:66040kB active_file:80kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048444kB managed:982908kB mlocked:0kB bounce:0kB free_pcp:4064kB local_pcp:1984kB free_cma:0kB