Re: [syzbot] [fs?] general protection fault in __umount_mnt

[syzbot]

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

failed to checkout kernel repo https://github.com/brauner/linux/tree/vfs-7.1.mount on commit 14594a141c760dd4c462b38d73406e1b48e44b84: failed to run ["git" "fetch" "--force" "--tags" "f622b72ecc2091e74994c3e0f0d417a3c44b5855" "14594a141c760dd4c462b38d73406e1b48e44b84"]: exit status 128


Tested on:

commit:         [unknown 
git tree:       https://github.com/brauner/linux/tree/vfs-7.1.mount 14594a141c760dd4c462b38d73406e1b48e44b84
kernel config:  https://syzkaller.appspot.com/x/.config?x=c584910d0d74158d
dashboard link: https://syzkaller.appspot.com/bug?extid=e4470cc28308f2081ec8
compiler:       
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11abacba580000