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

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Message-ID: <000000000000caad4b061e4154d2@google.com>
Date: Sat, 27 Jul 2024 14:30:04 -0700
From: syzbot <syzbot+c1751b6739d83d70bb75@...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_mmap

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=17772623980000
start commit:   2f8c4f506285 Merge tag 'auxdisplay-for-v6.11-tag1' of git:..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14f72623980000
console output: https://syzkaller.appspot.com/x/log.txt?x=10f72623980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=5efb917b1462a973
dashboard link: https://syzkaller.appspot.com/bug?extid=c1751b6739d83d70bb75
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=108328d9980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12e875a1980000

Reported-by: syzbot+c1751b6739d83d70bb75@...kaller.appspotmail.com
Fixes: 69505fe98f19 ("fs/ntfs3: Replace inode_trylock with inode_lock")

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