Re: [syzbot] [ntfs3?] possible deadlock in ntfs_file_mmap

syzbot
2024-07-27T21:30:05Z

syzbot has bisected this issue to:

commit 69505fe98f198ee813898cbcaf6770949636430b
Author: Konstantin Komarov <almaz.alexandrovich@paragon-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@syzkaller.appspotmail.com
Fixes: 69505fe98f19 ("fs/ntfs3: Replace inode_trylock with inode_lock")

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