Kees Cook ade9f91b32 ipc: add missing container_of()s for randstruct ... When building with the randstruct gcc plugin, the layout of the IPC structs will be randomized, which requires any sub-structure accesses to use container_of(). The proc display handlers were missing the needed container_of()s since the iterator is passing in the top-level struct kern_ipc_perm. This would lead to crashes when running the "lsipc" program after the system had IPC registered (e.g. after starting up Gnome): general protection fault: 0000 [#1] PREEMPT SMP ... RIP: 0010:shm_add_rss_swap.isra.1+0x13/0xa0 ... Call Trace: sysvipc_shm_proc_show+0x5e/0x150 sysvipc_proc_show+0x1a/0x30 seq_read+0x2e9/0x3f0 ... Link: http://lkml.kernel.org/r/20170730205950.GA55841@beast Fixes: 3859a271a0 ("randstruct: Mark various structs for randomization") Signed-off-by: Kees Cook <keescook@chromium.org> Reported-by: Dominik Brodowski <linux@dominikbrodowski.net> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Acked-by: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2017-08-02 17:16:12 -07:00
..
compat.c	ipc: resolve shadow warnings	2014-10-14 02:18:23 +02:00
ipc_sysctl.c	ipc/msg: increase MSGMNI, remove scaling	2014-12-13 12:42:52 -08:00
Makefile	mqueue: move compat syscalls to native ones	2017-07-04 13:13:49 -04:00
mq_sysctl.c	ipc: convert use of typedef ctl_table to struct ctl_table	2014-06-06 16:08:16 -07:00
mqueue.c	mqueue: fix a use-after-free in sys_mq_notify()	2017-07-09 14:37:19 -07:00
msg.c	ipc: add missing container_of()s for randstruct	2017-08-02 17:16:12 -07:00
msgutil.c	ipc: account for kmem usage on mqueue and msg	2016-10-27 18:43:43 -07:00
namespace.c	sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>	2017-03-02 08:42:38 +01:00
sem.c	ipc: add missing container_of()s for randstruct	2017-08-02 17:16:12 -07:00
shm.c	ipc: add missing container_of()s for randstruct	2017-08-02 17:16:12 -07:00
syscall.c	get rid of union semop in sys_semctl(2) arguments	2013-03-05 15:14:16 -05:00
util.c	ipc: move atomic_set() to where it is needed	2017-07-12 16:26:02 -07:00
util.h	ipc/util.h: update documentation for ipc_getref() and ipc_putref()	2017-07-12 16:26:02 -07:00