From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+8811381d455e3e9ec788@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Read in unix_stream_read_actor (2)
Date: Fri, 6 Sep 2024 06:50:30 +0800 [thread overview]
Message-ID: <20240905225030.2026-1-hdanton@sina.com> (raw)
In-Reply-To: <00000000000083b05a06214c9ddc@google.com>
On Wed, 04 Sep 2024 08:13:24 -0700
> syzbot found the following issue on:
>
> HEAD commit: fbdaffe41adc Merge branch 'am-qt2025-phy-rust'
> git tree: net-next
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16d3fc53980000
#syz test
--- x/net/unix/af_unix.c
+++ y/net/unix/af_unix.c
@@ -2634,6 +2634,7 @@ static int unix_stream_recv_urg(struct u
if (!(state->flags & MSG_PEEK))
WRITE_ONCE(u->oob_skb, NULL);
+ __skb_unlink(oob_skb, &sk->sk_receive_queue);
spin_unlock(&sk->sk_receive_queue.lock);
unix_state_unlock(sk);
--
next prev parent reply other threads:[~2024-09-05 22:51 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-04 15:13 syzbot
2024-09-04 15:32 ` Eric Dumazet
2024-09-04 17:32 ` Shoaib Rao
2024-09-05 7:35 ` Shoaib Rao
2024-09-05 8:04 ` Eric Dumazet
2024-09-05 19:06 ` Shoaib Rao
2024-09-05 19:46 ` Kuniyuki Iwashima
2024-09-05 20:15 ` Shoaib Rao
2024-09-05 20:35 ` Kuniyuki Iwashima
2024-09-05 20:48 ` Shoaib Rao
2024-09-05 21:03 ` Kuniyuki Iwashima
2024-09-06 12:37 ` Eric Dumazet
2024-09-06 16:48 ` Shoaib Rao
2024-09-07 5:06 ` Shoaib Rao
2024-09-07 5:39 ` Kuniyuki Iwashima
2024-09-10 0:29 ` Shoaib Rao
2024-09-10 0:48 ` Kuniyuki Iwashima
2024-09-10 16:55 ` Shoaib Rao
2024-09-10 17:57 ` Kuniyuki Iwashima
2024-09-10 18:16 ` Shoaib Rao
2024-09-10 18:33 ` Kuniyuki Iwashima
2024-09-10 18:49 ` Shoaib Rao
2024-09-10 19:49 ` Kuniyuki Iwashima
2024-09-10 20:57 ` Shoaib Rao
2024-09-10 21:53 ` Kuniyuki Iwashima
2024-09-10 22:30 ` Shoaib Rao
2024-09-10 22:59 ` Kuniyuki Iwashima
2024-09-10 23:42 ` Shoaib Rao
2024-09-11 0:16 ` Kuniyuki Iwashima
2024-09-05 20:37 ` Shoaib Rao
2024-09-05 20:41 ` Shoaib Rao
2024-09-05 20:42 ` Kuniyuki Iwashima
2024-09-05 5:25 ` Lizhi Xu
2024-09-05 5:57 ` syzbot
2024-09-05 6:59 ` Kuniyuki Iwashima
2024-09-05 7:46 ` syzbot
2024-09-05 22:50 ` Hillf Danton [this message]
2024-09-05 23:17 ` syzbot
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