From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+4fd66a69358fc15ae2ad@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [netfilter?] KASAN: slab-use-after-free Read in nf_tables_trans_destroy_work
Date: Sun, 7 Jul 2024 07:13:32 +0800 [thread overview]
Message-ID: <20240706231332.3261-1-hdanton@sina.com> (raw)
In-Reply-To: <000000000000aa1dbb061c354fe6@google.com>
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git 1c5fc27bc48a
--- x/net/netfilter/nf_tables_api.c
+++ y/net/netfilter/nf_tables_api.c
@@ -11552,9 +11552,10 @@ static int nft_rcv_nl_event(struct notif
gc_seq = nft_gc_seq_begin(nft_net);
- if (!list_empty(&nf_tables_destroy_list))
- nf_tables_trans_destroy_flush_work();
+ nf_tables_trans_destroy_flush_work();
again:
+ WARN_ON(!list_empty(&nft_net->commit_list) || !list_empty(&nf_tables_destroy_list));
+
list_for_each_entry(table, &nft_net->tables, list) {
if (nft_table_has_owner(table) &&
n->portid == table->nlpid) {
--
next prev parent reply other threads:[~2024-07-06 23:13 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-01 20:19 syzbot
2024-07-02 9:39 ` [syzbot] " syzbot
2024-07-02 11:28 ` Hillf Danton
2024-07-02 13:57 ` syzbot
2024-07-02 13:14 ` Edward Adam Davis
2024-07-02 14:13 ` syzbot
2024-07-02 14:08 ` [PATCH nf] netfilter: nf_tables: unconditionally flush pending work before notifier Florian Westphal
2024-07-03 10:35 ` Hillf Danton
2024-07-03 10:52 ` Florian Westphal
2024-07-03 12:09 ` Hillf Danton
2024-07-03 13:01 ` Florian Westphal
2024-07-04 10:35 ` Hillf Danton
2024-07-04 10:54 ` Florian Westphal
2024-07-05 10:48 ` Hillf Danton
2024-07-05 11:02 ` Florian Westphal
2024-07-07 7:56 ` Hillf Danton
2024-07-07 8:08 ` Florian Westphal
2024-07-08 10:56 ` Hillf Danton
2024-07-08 11:58 ` Florian Westphal
2024-07-08 12:17 ` Hillf Danton
2024-07-08 12:43 ` Florian Westphal
2024-07-05 11:18 ` [syzbot] [netfilter?] KASAN: slab-use-after-free Read in nf_tables_trans_destroy_work syzbot
2024-07-02 14:55 ` Edward Adam Davis
2024-07-02 15:28 ` syzbot
2024-07-06 23:13 ` Hillf Danton [this message]
2024-07-07 0:21 ` syzbot
[not found] <20240702093924.GA23593@breakpoint.cc>
2024-07-02 13:33 ` syzbot
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