| commit | c3f8a83883598e2e864b748924199e13d6db83d3 | [log] [tgz] |
|---|---|---|
| author | Al Viro <viro@zeniv.linux.org.uk> | Thu Mar 19 18:08:59 2020 -0400 |
| committer | Al Viro <viro@zeniv.linux.org.uk> | Thu Mar 26 23:47:03 2020 -0400 |
| tree | 4bc7541603aa1e20d70f1be337a5c3f2cb2c1893 | |
| parent | efe952af3ae0808c73a8923165442775007d7ded [diff] |
pcm_native: result of put_user() needs to be checked ... and no, __put_user() doesn't help here - skipping access_ok() on the second call does not remove the possibility of page having become unmapped or r/o in the meanwhile Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>