From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+733a96463546d3026b60@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [bluetooth?] BUG: workqueue leaked atomic, lock or RCU: kworker/u9:NUM[NUM]
Date: Thu, 11 Jul 2024 19:09:45 +0800 [thread overview]
Message-ID: <20240711110945.1147-1-hdanton@sina.com> (raw)
In-Reply-To: <0000000000002fcc8d061ced3d52@google.com>
On Wed, 10 Jul 2024 16:45:19 -0700
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: ef445d1539dd Merge remote-tracking branches 'origin/arm64-..
> git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=176e2c7e980000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
--- x/net/bluetooth/l2cap_core.c
+++ y/net/bluetooth/l2cap_core.c
@@ -6774,6 +6774,7 @@ static void l2cap_conless_channel(struct
bt_cb(skb)->l2cap.psm = psm;
if (!chan->ops->recv(chan, skb)) {
+ l2cap_chan_unlock(chan);
l2cap_chan_put(chan);
return;
}
--
next prev parent reply other threads:[~2024-07-11 11:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-08 23:27 syzbot
2024-07-10 23:45 ` syzbot
2024-07-11 11:09 ` Hillf Danton [this message]
2024-07-11 11:53 ` 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=20240711110945.1147-1-hdanton@sina.com \
--to=hdanton@sina.com \
--cc=linux-kernel@vger.kernel.org \
--cc=syzbot+733a96463546d3026b60@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
/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
all inboxes | Powered by JetHome®