From: syzbot <syzbot+60bfed6b415fbd1fbb87@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in __lock_sock
Date: Wed, 22 Nov 2023 17:14:43 -0800 [thread overview]
Message-ID: <00000000000095a19e060ac78ff3@google.com> (raw)
For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.
***
Subject: [bluetooth?] KASAN: slab-use-after-free Read in __lock_sock
Author: eadavis@qq.com
please test uaf in __lock_sock
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git 8de1e7afcc1c
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index c736186aba26..692727831dde 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -443,6 +443,7 @@ static void __sco_sock_close(struct sock *sk)
sco_conn_lock(sco_pi(sk)->conn);
hci_conn_drop(sco_pi(sk)->conn->hcon);
sco_pi(sk)->conn->hcon = NULL;
+ sco_pi(sk)->conn->sk = NULL;
sco_conn_unlock(sco_pi(sk)->conn);
} else
sco_chan_del(sk, ECONNRESET);
next reply other threads:[~2023-11-23 1:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-23 1:14 syzbot [this message]
[not found] <tencent_148DEA923ADD925D92193DCF888DACA5B807@qq.com>
2023-11-25 3:47 ` [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in __lock_sock syzbot
[not found] <tencent_10DE52D4065BC98B6EC92ECCCCB3E7C34606@qq.com>
2023-11-25 1:58 ` syzbot
[not found] <tencent_8E3BCF900DCF25FA0DA212145DC45DDF1907@qq.com>
2023-11-24 14:36 ` syzbot
[not found] <tencent_38DDEF5DB0192CCFD60D8BA5AA8DA1924107@qq.com>
2023-11-24 12:22 ` syzbot
[not found] <tencent_ABBB2A33F49E801B384B7B1BC02538BA4A08@qq.com>
2023-11-24 11:56 ` syzbot
[not found] <tencent_93DC466109A02ECE6EC20CAE67D5C6CCD206@qq.com>
2023-11-23 14:27 ` syzbot
[not found] <tencent_D3FF464CC98C2ED92ED18C9367E746E65206@qq.com>
2023-11-23 3:06 ` syzbot
[not found] <tencent_370274657663662E3C37373E97B236864A09@qq.com>
2023-11-23 1:35 ` syzbot
2023-11-23 2:06 ` syzbot
2023-11-23 3:19 ` syzbot
2023-11-24 11:29 ` syzbot
2023-11-24 11:41 ` syzbot
2023-11-24 13:54 ` syzbot
2023-11-25 1:31 ` syzbot
2023-11-25 3:20 ` syzbot
-- strict thread matches above, loose matches on Subject: below --
2023-11-22 15:43 syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=00000000000095a19e060ac78ff3@google.com \
--to=syzbot+60bfed6b415fbd1fbb87@syzkaller.appspotmail.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox