José Bollo 9598f4c9e7 SMACK: Fix handling value==NULL in post setxattr ... The function `smack_inode_post_setxattr` is called each time that a setxattr is done, for any value of name. The kernel allow to put value==NULL when size==0 to set an empty attribute value. The systematic call to smk_import_entry was causing the dereference of a NULL pointer hence a KERNEL PANIC! The problem can be produced easily by issuing the command `setfattr -n user.data file` under bash prompt when SMACK is active. Moving the call to smk_import_entry as proposed by this patch is correcting the behaviour because the function smack_inode_post_setxattr is called for the SMACK's attributes only if the function smack_inode_setxattr validated the value and its size (what will not be the case when size==0). It also has a benefical effect to not fill the smack hash with garbage values coming from any extended attribute write. Change-Id: Iaf0039c2be9bccb6cee11c24a3b44d209101fe47 Signed-off-by: José Bollo <jose.bollo@open.eurogiciel.org>		2014-04-11 14:35:05 -07:00
..
apparmor	security: replace strict_strto*() with kstrto*()	2014-02-06 19:11:04 +11:00
integrity	evm: enable key retention service automatically	2014-03-07 12:15:49 -05:00
keys	security: replace strict_strto*() with kstrto*()	2014-02-06 19:11:04 +11:00
selinux	selinux: correctly label /proc inodes in use before the policy is loaded	2014-03-19 16:46:18 -04:00
smack	SMACK: Fix handling value==NULL in post setxattr	2014-04-11 14:35:05 -07:00
tomoyo
yama
capability.c	security: have cap_dentry_init_security return error	2014-03-07 11:50:01 +11:00
commoncap.c	capabilities: allow nice if we are privileged	2013-08-30 23:44:09 -07:00
device_cgroup.c	device_cgroup: remove can_attach	2013-10-24 06:56:56 -04:00
inode.c
Kconfig
lsm_audit.c	Merge git://git.infradead.org/users/eparis/audit	2013-11-21 19:18:14 -08:00
Makefile	security: cleanup Makefiles to use standard syntax for specifying sub-directories	2014-02-17 11:08:04 +11:00
min_addr.c
security.c	Linux 3.12	2013-11-26 17:32:55 -05:00