linux-kernel - Re: [syzbot] [ntfs3?] possible deadlock in ntfs_file_write

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Message-ID: <00000000000028b122061ec2e3b9@google.com>
Date: Sat, 03 Aug 2024 01:04:03 -0700
From: syzbot <syzbot+d7452fc408a961bcc6ec@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	ntfs3@...ts.linux.dev, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] possible deadlock in ntfs_file_write_iter

syzbot has bisected this issue to:

commit 69505fe98f198ee813898cbcaf6770949636430b
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Thu May 30 07:54:07 2024 +0000

    fs/ntfs3: Replace inode_trylock with inode_lock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=135e0bbd980000
start commit:   c0ecd6388360 Merge tag 'pci-v6.11-fixes-1' of git://git.ke..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10de0bbd980000
console output: https://syzkaller.appspot.com/x/log.txt?x=175e0bbd980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=288f248fe2b6eab0
dashboard link: https://syzkaller.appspot.com/bug?extid=d7452fc408a961bcc6ec
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=142941a1980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15b302d9980000

Reported-by: syzbot+d7452fc408a961bcc6ec@...kaller.appspotmail.com
Fixes: 69505fe98f19 ("fs/ntfs3: Replace inode_trylock with inode_lock")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection