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From: syzbot <syzbot+4c493dcd5a68168a94b2@syzkaller.appspotmail.com>
To: hdanton@sina.com, linux-kernel@vger.kernel.org,
	 syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_seq_start
Date: Fri, 08 Nov 2024 03:30:04 -0800	[thread overview]
Message-ID: <672df63c.050a0220.69fce.0012.GAE@google.com> (raw)
In-Reply-To: <20241108111029.3505-1-hdanton@sina.com>

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed

2024/11/08 11:28:47 parsed 1 programs
2024/11/08 11:28:47 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
write(/proc/sys/fs/binfmt_misc/register) failed: 17
SYZFAIL: write(/proc/sys/fs/binfmt_misc/register) failed
 (errno 17: File exists)


Tested on:

commit:         dccb07f2 Merge tag 'for-6.9-rc7-tag' of git://git.kern..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1490835f980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587
dashboard link: https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=12a3dd87980000


  reply	other threads:[~2024-11-08 11:30 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-27 11:09 [syzbot] [kernfs?] possible deadlock in kernfs_seq_start syzbot
2024-05-08  5:36 ` syzbot
2024-05-08 23:19   ` Hillf Danton
2024-05-09  6:37     ` Amir Goldstein
2024-05-09 10:48       ` Hillf Danton
2024-05-09 14:52         ` Amir Goldstein
2024-05-09 23:26           ` Hillf Danton
2024-05-10 11:33             ` Hillf Danton
2024-05-10 10:26   ` Hillf Danton
2024-05-10 10:47     ` syzbot
2024-11-08 11:10   ` Hillf Danton
2024-11-08 11:30     ` syzbot [this message]
2024-05-08 15:13 ` syzbot

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