A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-26 06:33:19 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge "FROMGIT: binder: fix null deref of proc->context"

Browse source
This commit is contained in:
qctecmdr 2020-07-03 12:28:54 -07:00 • committed by Gerrit - the friendly Code Review server
commit 06a2496919
1 changed files with 7 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

14
drivers/android/binder.c
View file

@ -4857,8 +4857,15 @@ static struct binder_thread *binder_get_thread(struct binder_proc *proc)
static void binder_free_proc(struct binder_proc *proc)
{
struct binder_device *device;
BUG_ON(!list_empty(&proc->todo));
BUG_ON(!list_empty(&proc->delivered_death));
device = container_of(proc->context, struct binder_device, context);
if (refcount_dec_and_test(&device->ref)) {
kfree(proc->context->name);
kfree(device);
}
binder_alloc_deferred_release(&proc->alloc);
put_task_struct(proc->tsk);
binder_stats_deleted(BINDER_STAT_PROC);
@ -5585,7 +5592,6 @@ static int binder_node_release(struct binder_node *node, int refs)
static void binder_deferred_release(struct binder_proc *proc)
{
struct binder_context *context = proc->context;
struct binder_device *device;
struct rb_node *n;
int threads, nodes, incoming_refs, outgoing_refs, active_transactions;
@ -5602,12 +5608,6 @@ static void binder_deferred_release(struct binder_proc *proc)
context->binder_context_mgr_node = NULL;
}
mutex_unlock(&context->context_mgr_node_lock);
device = container_of(proc->context, struct binder_device, context);
if (refcount_dec_and_test(&device->ref)) {
kfree(context->name);
kfree(device);
}
proc->context = NULL;
binder_inner_proc_lock(proc);
/*
* Make sure proc stays alive after we