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authorLinus Torvalds <torvalds@linux-foundation.org>2009-11-05 21:57:39 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2009-11-05 21:57:39 +0300
commitd4116f820496ae3af5225d09450edc7791df0045 (patch)
tree54205739d4e65788757882fdda5dbd9687d93966 /fs
parent608221fdf9a2170962295dcfbea53dc5c50d1a74 (diff)
parent4c3da2209b1261af9a948b7509a38904c8eee554 (diff)
downloadlinux-d4116f820496ae3af5225d09450edc7791df0045.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: sysfs: Don't leak secdata when a sysfs_dirent is freed.
Diffstat (limited to 'fs')
-rw-r--r--fs/sysfs/dir.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 5fad489ce5bc..e0201837d244 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -21,6 +21,7 @@
#include <linux/completion.h>
#include <linux/mutex.h>
#include <linux/slab.h>
+#include <linux/security.h>
#include "sysfs.h"
DEFINE_MUTEX(sysfs_mutex);
@@ -285,6 +286,9 @@ void release_sysfs_dirent(struct sysfs_dirent * sd)
sysfs_put(sd->s_symlink.target_sd);
if (sysfs_type(sd) & SYSFS_COPY_NAME)
kfree(sd->s_name);
+ if (sd->s_iattr && sd->s_iattr->ia_secdata)
+ security_release_secctx(sd->s_iattr->ia_secdata,
+ sd->s_iattr->ia_secdata_len);
kfree(sd->s_iattr);
sysfs_free_ino(sd->s_ino);
kmem_cache_free(sysfs_dir_cachep, sd);