ima: call ima_file_free() prior to calling fasync

The file hash is calculated and written out as an xattr after calling fasync(). In order for the file data and metadata to be written out to disk at the same time, this patch calculates the file hash and stores it as an xattr before calling fasync.

Mimi Zohar committed 9 years ago

Commit bb02b181 parent a7d3d031 file · +1 −1Browse files

Unified · Split

fs/file_table.c+1−1

@@ -201,11 +201,11 @@ static void __fput(struct file *file) · 200 unmodified lines
201	201	eventpoll_release(file);
202	202	locks_remove_file(file);
203	203
	204	+ ima_file_free(file);
204	205	if (unlikely(file->f_flags & FASYNC)) {
205	206	if (file->f_op->fasync)
206	207	file->f_op->fasync(-1, file, 0);
207	208	}
208		− ima_file_free(file);
209	209	if (file->f_op->release)
210	210	file->f_op->release(inode, file);
211	211	security_file_free(file);