public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: syzbot <syzbot+7536f77535e5210a5c76@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com,
	 syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [tomoyo?] WARNING in tomoyo_write_control
Date: Sun, 15 Dec 2024 23:33:02 -0800	[thread overview]
Message-ID: <675fd7ae.050a0220.37aaf.011a.GAE@google.com> (raw)
In-Reply-To: <20241216071906.2506927-1-lizhi.xu@windriver.com>

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
WARNING: lock held when returning to user space in tomoyo_write_control

================================================
WARNING: lock held when returning to user space!
6.13.0-rc3-syzkaller-g78d4f34e2115-dirty #0 Not tainted
------------------------------------------------
syz.0.16/6711 is leaving the kernel with locks still held!
1 lock held by syz.0.16/6711:
 #0: ffff88802a08b080 (&head->io_sem){+.+.}-{4:4}, at: tomoyo_write_control+0x51/0x1b0 security/tomoyo/common.c:2657


Tested on:

commit:         78d4f34e Linux 6.13-rc3
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=12d7d4f8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9cac7e24ceea492
dashboard link: https://syzkaller.appspot.com/bug?extid=7536f77535e5210a5c76
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12eb1730580000


       reply	other threads:[~2024-12-16  7:33 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20241216071906.2506927-1-lizhi.xu@windriver.com>
2024-12-16  7:33 ` syzbot [this message]
     [not found] <20241216072034.2513188-1-lizhi.xu@windriver.com>
2024-12-16  7:53 ` [syzbot] [tomoyo?] WARNING in tomoyo_write_control syzbot
2024-12-15 21:48 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=675fd7ae.050a0220.37aaf.011a.GAE@google.com \
    --to=syzbot+7536f77535e5210a5c76@syzkaller.appspotmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lizhi.xu@windriver.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