r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000080)='ns/mnt\x00')
newfstatat(0xffffffffffffff9c, 0x0, &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, <r1=>0x0}, 0x1100)
setresuid(0x0, r1, 0x0)
open_by_handle_at(r0, &(0x7f0000000000)=@ceph_nfs_snapfh={0x1c, 0xf1, {0x15}}, 0x0)