mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-28 15:20:41 +00:00
RDS: null pointer dereference in rds_atomic_free_op
[ Upstream commit 7d11f77f84
]
set rm->atomic.op_active to 0 when rds_pin_pages() fails
or the user supplied address is invalid,
this prevents a NULL pointer usage in rds_atomic_free_op()
Signed-off-by: Mohamed Ghannam <simo.ghannam@gmail.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
5d127d15ad
commit
5edbe3c024
1 changed files with 1 additions and 0 deletions
|
@ -877,6 +877,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm,
|
|||
err:
|
||||
if (page)
|
||||
put_page(page);
|
||||
rm->atomic.op_active = 0;
|
||||
kfree(rm->atomic.op_notifier);
|
||||
|
||||
return ret;
|
||||
|
|
Loading…
Reference in a new issue