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| author | Jonathan Solnit <jsolnit@google.com> | 2017-07-21 19:02:53 +0000 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-08-30 23:27:50 +0200 |
| commit | 6b38c177f32cd01ac98f2cdd4926502d2abae163 (patch) | |
| tree | 1c24c2a902e3cfe6e87be11a92e6c0693c6f63d0 /drivers/md | |
| parent | 6818b1a5df437b5887a8e050fc9bf795ca18146c (diff) | |
Revert "dm ioctl: prevent stack leak in dm ioctl call"
This reverts commit 1d5b6ba1bfe0ce28eca6fa79a74d0088e706e63e.
Bug: 35644370
Change-Id: I0880d5f11cd22547934a13b7aa564a4102b95aa9
Signed-off-by: Jonathan Solnit <jsolnit@google.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-ioctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index f21bc46cd..81a79b739 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1767,7 +1767,7 @@ static int ctl_ioctl(uint command, struct dm_ioctl __user *user) if (r) goto out; - param->data_size = offsetof(struct dm_ioctl, data); + param->data_size = sizeof(*param); r = fn(param, input_param_size); if (unlikely(param->flags & DM_BUFFER_FULL_FLAG) && |