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ima: fix memory leak in ima_release_policy

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When the "policy" securityfs file is opened for read, it is opened as a
sequential file. However, when it is eventually released, there is no
cleanup for the sequential file, therefore some memory is leaked.

This patch adds a call to seq_release() in ima_release_policy() to clean up
the memory when the file is opened for read.

Fixes: 80eae209d6 IMA: allow reading back the current policy
Reported-by: Colin Ian King <[email protected]>
Signed-off-by: Eric Richter <[email protected]>
Tested-by: Colin Ian King <[email protected]>
Signed-off-by: Mimi Zohar <[email protected]>
This commit is contained in:
Eric Richter 2016-10-13 17:47:36 -05:00 • committed by Mimi Zohar
commit 9a11a18902
1 changed files with 1 additions and 1 deletions
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2
security/integrity/ima/ima_fs.c
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@ -401,7 +401,7 @@ static int ima_release_policy(struct inode *inode, struct file *file)
const char *cause = valid_policy ? "completed" : "failed";
if ((file->f_flags & O_ACCMODE) == O_RDONLY)
return 0;
return seq_release(inode, file);
if (valid_policy && ima_check_policy() < 0) {
cause = "failed";