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 X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31FB0C43460 for ; Tue, 4 May 2021 08:24:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF5A16023C for ; Tue, 4 May 2021 08:24:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229993AbhEDIZS (ORCPT ); Tue, 4 May 2021 04:25:18 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:42513 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229846AbhEDIZQ (ORCPT ); Tue, 4 May 2021 04:25:16 -0400 Received: by mail-io1-f71.google.com with SMTP id v3-20020a5d90430000b02903da4a3efc9dso5130929ioq.9 for ; Tue, 04 May 2021 01:24:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=rZlQiT/EvKC5TRiLPOyAwlgSL8LRkj9ewxAB0Hzy/rk=; b=LzgwmlZh2bp6rZovZ29Ogv7Gau+X7SEhwXSMWYK579WwSvCnqdZsHTXg1lvioBASPQ 3pgGS2rx7j6GyG5sV0X93bFf0hQS/HoqAAGNnAWjp7EPSUzOv/00gewCFsy+YnHs2L33 3Q4Jx6KIJTShXMQq7Et1pZ2ynACugb9tPYl6SyP4ewIR7SUnuUs0MH5BZSmTPew1J7vg MOlJtycmi0GrLHQnAdPryZg9FljIDyUNzpxGLV1hcj29hJF3skA9VwZYcoZZpdtUNFor 9d48eJsOjTgjlr+CytR929vxhU/+QcvxzL8X/vYvP4dXqtlQSvn2ni+8V7UEnlFaGSFu WR1Q== X-Gm-Message-State: AOAM533sndYeepmGhjyiDoK+W5M/zZFfNSl2AqATuMStDLCIEESjFCpZ L1oyV8TH+i7LcFBqjxxQl8f/r6/QduN4I1pi1qrBYRjK58Ku X-Google-Smtp-Source: ABdhPJyjyrSuUspM5PohO9rQtij0Hvr4obsC0k4FNLbKTGZrGlW32p95ixipMcEpMBKBmN4gHw+v+v89CHQcsRI76qkeu8/vMf1x MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20c2:: with SMTP id 2mr20846657ilq.120.1620116660425; Tue, 04 May 2021 01:24:20 -0700 (PDT) Date: Tue, 04 May 2021 01:24:20 -0700 In-Reply-To: <0000000000001d488205c1702d78@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000a17bf05c17cceed@google.com> Subject: Re: [syzbot] memory leak in nf_hook_entries_grow (2) From: syzbot To: coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de, kadlec@netfilter.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has found a reproducer for the following issue on: HEAD commit: 5e321ded Merge tag 'for-5.13/parisc' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13f88f43d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=38b336f6420141fd dashboard link: https://syzkaller.appspot.com/bug?extid=050de9f900eb45b94ef9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=113d2ca5d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=167fa069d00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+050de9f900eb45b94ef9@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 28.900s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 28.900s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 28.980s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 28.980s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.060s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.060s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.130s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.130s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.210s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.210s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.290s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.290s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811bef9340 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.370s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 00 b2 ed 1b 81 88 ff ff ..B............. backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 BUG: memory leak unreferenced object 0xffff88811c525e80 (size 64): comm "syz-executor097", pid 8413, jiffies 4294971728 (age 29.370s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 80 ef 42 1c 81 88 ff ff 50 b2 ed 1b 81 88 ff ff ..B.....P....... backtrace: [] kmalloc_node include/linux/slab.h:579 [inline] [] kvmalloc_node+0x61/0xf0 mm/util.c:587 [] kvmalloc include/linux/mm.h:797 [inline] [] kvzalloc include/linux/mm.h:805 [inline] [] allocate_hook_entries_size net/netfilter/core.c:61 [inline] [] nf_hook_entries_grow+0x31b/0x370 net/netfilter/core.c:128 [] __nf_register_net_hook+0x8d/0x290 net/netfilter/core.c:407 [] nf_register_net_hook+0xbf/0x100 net/netfilter/core.c:541 [] nf_register_net_hooks+0x59/0xc0 net/netfilter/core.c:557 [] arpt_register_table+0x152/0x1e0 net/ipv4/netfilter/arp_tables.c:1548 [] arptable_filter_table_init+0x3d/0x60 net/ipv4/netfilter/arptable_filter.c:50 [] xt_find_table_lock+0x189/0x290 net/netfilter/x_tables.c:1244 [] xt_request_find_table_lock+0x27/0xb0 net/netfilter/x_tables.c:1275 [] get_info+0xd2/0x430 net/ipv4/netfilter/arp_tables.c:807 [] do_arpt_get_ctl+0x224/0x520 net/ipv4/netfilter/arp_tables.c:1443 [] nf_getsockopt+0x57/0x80 net/netfilter/nf_sockopt.c:116 [] ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline] [] ip_getsockopt+0xfa/0x140 net/ipv4/ip_sockglue.c:1756 [] tcp_getsockopt+0x4b/0x80 net/ipv4/tcp.c:4251 [] __sys_getsockopt+0x133/0x2f0 net/socket.c:2161 [] __do_sys_getsockopt net/socket.c:2176 [inline] [] __se_sys_getsockopt net/socket.c:2173 [inline] [] __x64_sys_getsockopt+0x22/0x30 net/socket.c:2173 write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory