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| author | Siqi Lin <siqilin@google.com> | 2017-07-21 20:58:46 +0000 |
|---|---|---|
| committer | Siqi Lin <siqilin@google.com> | 2017-07-21 22:05:27 +0000 |
| commit | 67581c4b3d89fa034484d711c545526f5f52379e (patch) | |
| tree | 9f26d767f1f7d620067478c302fc3bac0c9483f9 | |
| parent | f3f848dd5d56b351bf3f85b9c1f0829d9c3ab23a (diff) | |
Revert "dm ioctl: prevent stack leak in dm ioctl call"
This reverts commit 164de5751d0af059b146b44718c57cf2e3885df3.
Bug: 35644370
Change-Id: I13a9099f5e1270092d561c8fd53e35f627d7f710
Signed-off-by: Siqi Lin <siqilin@google.com>
| -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 f21bc46cd1d2..81a79b739e97 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) && |