From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+7f7f201cc2668a8fd169@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [net?] possible deadlock in unix_del_edges
Date: Fri, 5 Apr 2024 07:56:38 +0800 [thread overview]
Message-ID: <20240404235638.771-1-hdanton@sina.com> (raw)
In-Reply-To: <00000000000083ca480615479e79@google.com>
On Thu, 04 Apr 2024 09:13:26 -0700
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 2b3d5988ae2c Add linux-next specific files for 20240404
> git tree: linux-next
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1133aaa9180000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 2b3d5988ae2c
--- x/net/unix/garbage.c
+++ y/net/unix/garbage.c
@@ -358,7 +358,7 @@ static void unix_collect_skb(struct list
#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
if (u->oob_skb) {
- kfree_skb(u->oob_skb);
+ __skb_queue_tail(hitlist, u->oob_skb);
u->oob_skb = NULL;
}
#endif
--
next prev parent reply other threads:[~2024-04-04 23:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-04 16:07 syzbot
2024-04-04 16:13 ` syzbot
2024-04-04 17:00 ` Kuniyuki Iwashima
2024-04-04 21:13 ` Kuniyuki Iwashima
2024-04-05 5:22 ` syzbot
2024-04-04 23:56 ` Hillf Danton [this message]
2024-04-05 11:49 ` syzbot
2024-04-05 5:28 ` Kuniyuki Iwashima
2024-04-06 15:15 ` 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=20240404235638.771-1-hdanton@sina.com \
--to=hdanton@sina.com \
--cc=linux-kernel@vger.kernel.org \
--cc=syzbot+7f7f201cc2668a8fd169@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®