fd_install

Name:fd_install

Proto:void fd_install(unsigned int fd, struct file *file)

Type:void

Parameter:

Type	Parameter	Name
unsigned int	fd
struct file *	file

613

Install a file pointer in the fd array.* The VFS is full of places where we drop the files lock between* setting the open_fds bitmap and installing the file in the file* array. At any such point, we are vulnerable to a dup2() race

**Caller**
Name	Describe
do_pipe_flags
do_pipe2	sys_pipe() is the normal C calling standard for creating* a pipe. It's not the way Unix traditionally does this, though.
ksys_dup
f_dupfd
SYSCALL_DEFINE3
SYSCALL_DEFINE3	Create a kernel mount representation for a new, prepared superblock* (specified by fs_fd) and attach to an open_tree-like file descriptor.
open_related_ns
copy_event_to_user
do_epoll_create	Open an eventpoll file descriptor.
anon_inode_getfd	anon_inode_getfd - creates a new file instance by hooking it up to an* anonymous inode, and a dentry that describe the "class"* of the file@name: [in] name of the "class" of the new file@fops: [in] file operations for the new file*@priv: [in] private
io_uring_get_fd	Allocate an anonymous fd, this is what constitutes the application* visible backing of an io_uring instance. The application mmaps this* fd to gain access to the SQ/CQ ring details. If UNIX sockets are enabled,
load_misc_binary	he loader itself
do_handle_open

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