netdev - Re: [PATCH nf] netfilter: arp_tables: init netns pointer in xt_tgchk

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Message-ID: <20191230120940.5woilhfosyvk4krp@salvia>
Date:   Mon, 30 Dec 2019 13:09:40 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Florian Westphal <fw@...len.de>
Cc:     netfilter-devel@...r.kernel.org,
        syzbot+d7358a458d8a81aee898@...kaller.appspotmail.com,
        syzkaller-bugs@...glegroups.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH nf] netfilter: arp_tables: init netns pointer in
 xt_tgchk_param struct

On Fri, Dec 27, 2019 at 01:33:10AM +0100, Florian Westphal wrote:
[...]
> kasan: GPF could be caused by NULL-ptr deref or user memory access
> general protection fault: 0000 [#1] PREEMPT SMP KASAN
> RIP: xt_rateest_tg_checkentry+0x11d/0xb40 net/netfilter/xt_RATEEST.c:109
> [..]
>  xt_check_target+0x283/0x690 net/netfilter/x_tables.c:1019
>  check_target net/ipv4/netfilter/arp_tables.c:399 [inline]
>  find_check_entry net/ipv4/netfilter/arp_tables.c:422 [inline]
>  translate_table+0x1005/0x1d70 net/ipv4/netfilter/arp_tables.c:572
>  do_replace net/ipv4/netfilter/arp_tables.c:977 [inline]
>  do_arpt_set_ctl+0x310/0x640 net/ipv4/netfilter/arp_tables.c:1456

Applied, thanks.