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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-15 10:48:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-15 10:48:44 -0800
commit4ba63072b998cc31515cc6305c25f3b808b50c01 (patch)
tree779863511765c70bfd232f676b885f940ba88722 /drivers/android/binder.c
parente29876723f7cb7728f0d6a674d23f92673e9f112 (diff)
parent5fb31cd839c21130c0b2524ceb9244e98dfe10e3 (diff)
Merge tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc patches from Greg KH: "Here's the big char/misc driver update for 3.20-rc1. Lots of little things in here, all described in the changelog. Nothing major or unusual, except maybe the binder selinux stuff, which was all acked by the proper selinux people and they thought it best to come through this tree. All of this has been in linux-next with no reported issues for a while" * tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits) coresight: fix function etm_writel_cp14() parameter order coresight-etm: remove check for unknown Kconfig macro coresight: fixing CPU hwid lookup in device tree coresight: remove the unnecessary function coresight_is_bit_set() coresight: fix the debug AMBA bus name coresight: remove the extra spaces coresight: fix the link between orphan connection and newly added device coresight: remove the unnecessary replicator property coresight: fix the replicator subtype value pdfdocs: Fix 'make pdfdocs' failure for 'uio-howto.tmpl' mcb: Fix error path of mcb_pci_probe virtio/console: verify device has config space ti-st: clean up data types (fix harmless memory corruption) mei: me: release hw from reset only during the reset flow mei: mask interrupt set bit on clean reset bit extcon: max77693: Constify struct regmap_config extcon: adc-jack: Release IIO channel on driver remove extcon: Remove duplicated include from extcon-class.c Drivers: hv: vmbus: hv_process_timer_expiration() can be static Drivers: hv: vmbus: serialize Offer and Rescind offer ...
Diffstat (limited to 'drivers/android/binder.c')
-rw-r--r--drivers/android/binder.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 8c43521d3f11..33b09b6568a4 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -37,6 +37,7 @@
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/pid_namespace.h>
+#include <linux/security.h>
#ifdef CONFIG_ANDROID_BINDER_IPC_32BIT
#define BINDER_IPC_32BIT 1
@@ -1400,6 +1401,11 @@ static void binder_transaction(struct binder_proc *proc,
return_error = BR_DEAD_REPLY;
goto err_dead_binder;
}
+ if (security_binder_transaction(proc->tsk,
+ target_proc->tsk) < 0) {
+ return_error = BR_FAILED_REPLY;
+ goto err_invalid_target_handle;
+ }
if (!(tr->flags & TF_ONE_WAY) && thread->transaction_stack) {
struct binder_transaction *tmp;
@@ -1551,6 +1557,11 @@ static void binder_transaction(struct binder_proc *proc,
return_error = BR_FAILED_REPLY;
goto err_binder_get_ref_for_node_failed;
}
+ if (security_binder_transfer_binder(proc->tsk,
+ target_proc->tsk)) {
+ return_error = BR_FAILED_REPLY;
+ goto err_binder_get_ref_for_node_failed;
+ }
ref = binder_get_ref_for_node(target_proc, node);
if (ref == NULL) {
return_error = BR_FAILED_REPLY;
@@ -1581,6 +1592,11 @@ static void binder_transaction(struct binder_proc *proc,
return_error = BR_FAILED_REPLY;
goto err_binder_get_ref_failed;
}
+ if (security_binder_transfer_binder(proc->tsk,
+ target_proc->tsk)) {
+ return_error = BR_FAILED_REPLY;
+ goto err_binder_get_ref_failed;
+ }
if (ref->node->proc == target_proc) {
if (fp->type == BINDER_TYPE_HANDLE)
fp->type = BINDER_TYPE_BINDER;
@@ -1638,6 +1654,13 @@ static void binder_transaction(struct binder_proc *proc,
return_error = BR_FAILED_REPLY;
goto err_fget_failed;
}
+ if (security_binder_transfer_file(proc->tsk,
+ target_proc->tsk,
+ file) < 0) {
+ fput(file);
+ return_error = BR_FAILED_REPLY;
+ goto err_get_unused_fd_failed;
+ }
target_fd = task_get_unused_fd_flags(target_proc, O_CLOEXEC);
if (target_fd < 0) {
fput(file);
@@ -2675,6 +2698,9 @@ static int binder_ioctl_set_ctx_mgr(struct file *filp)
ret = -EBUSY;
goto out;
}
+ ret = security_binder_set_context_mgr(proc->tsk);
+ if (ret < 0)
+ goto out;
if (uid_valid(binder_context_mgr_uid)) {
if (!uid_eq(binder_context_mgr_uid, curr_euid)) {
pr_err("BINDER_SET_CONTEXT_MGR bad uid %d != %d\n",