[Devel] [PATCH RHEL7 COMMIT] ub statd: fix new_notify structure allocation
Konstantin Khorenko
khorenko at virtuozzo.com
Thu Oct 8 04:52:28 PDT 2015
The commit is pushed to "branch-rh7-3.10.0-229.7.2.vz7.8.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-229.7.2.vz7.8.4
------>
commit 5b77feaa406ce53ccc209bdcdd3356f5b47db630
Author: Stanislav Kinsburskiy <skinsbursky at parallels.com>
Date: Thu Oct 8 15:52:28 2015 +0400
ub statd: fix new_notify structure allocation
This bug is old, but it was hidden by minimax SLAB size equal to 32 bytes.
With SLUB allocator, there are 8-bytes slabs, and this issue is revealed.
Signed-off-by: Stanislav Kinsburskiy <skinsbursky at parallels.com>
---
kernel/bc/statd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bc/statd.c b/kernel/bc/statd.c
index e0eac10..b0b58a4 100644
--- a/kernel/bc/statd.c
+++ b/kernel/bc/statd.c
@@ -269,7 +269,7 @@ static int ubstat_handle_notifrq(ubnotifrq_t *req)
struct list_head *entry;
struct task_struct *tsk_to_free;
- new_notify = kmalloc(sizeof(new_notify), GFP_KERNEL);
+ new_notify = kmalloc(sizeof(*new_notify), GFP_KERNEL);
if (new_notify == NULL)
return -ENOMEM;
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