Re: [syzbot] [ntfs3?] UBSAN: shift-out-of-bounds in ntfs_read_inode_mount

From: syzbot
Date: Mon Feb 19 2024 - 17:18:13 EST


syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@xxxxxxx>
Date: Wed Nov 1 17:43:10 2023 +0000

fs: Block writes to mounted block devices

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11390158180000
start commit: 022ce8862dff Merge tag 'i2c-for-6.4-rc6' of git://git.kern..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
dashboard link: https://syzkaller.appspot.com/bug?extid=c601e38d15ce8253186a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11bd01dd280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13678475280000

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

#syz fix: fs: Block writes to mounted block devices

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