Re: [syzbot] [ntfs3?] INFO: task hung in ntfs_read_folio (2)

From: syzbot
Date: Sat Oct 28 2023 - 13:05:15 EST


syzbot suspects this issue was fixed by commit:

commit bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Jun 30 12:22:53 2023 +0000

fs/ntfs3: fix deadlock in mark_as_free_ex

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14006f67680000
start commit: bfa3037d8280 Merge tag 'fuse-update-6.5' of git://git.kern..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=a4507c291b5ab5d4
dashboard link: https://syzkaller.appspot.com/bug?extid=913093197c71922e8375
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b8869ea80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149e6072a80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs/ntfs3: fix deadlock in mark_as_free_ex

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