diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-11 16:22:27 -0300 |
| commit | 29f5b648fa0b31ad614c78468b9279e5fa96397a (patch) | |
| tree | 385e76324c4e95e90b16889937e7c24e6f7d4f4a /drivers/tty/vt/vt.c | |
| parent | 1eae9639aac0f8de4d284f567ec722a822b52513 (diff) | |
Linux-libre 4.8.7-gnupck-4.8.7-gnu
Diffstat (limited to 'drivers/tty/vt/vt.c')
| -rw-r--r-- | drivers/tty/vt/vt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 2705ca960..fd375f15b 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -870,10 +870,15 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (new_cols == vc->vc_cols && new_rows == vc->vc_rows) return 0; + if (new_screen_size > (4 << 20)) + return -EINVAL; newscreen = kmalloc(new_screen_size, GFP_USER); if (!newscreen) return -ENOMEM; + if (vc == sel_cons) + clear_selection(); + old_rows = vc->vc_rows; old_row_size = vc->vc_size_row; @@ -1176,7 +1181,7 @@ static void csi_J(struct vc_data *vc, int vpar) break; case 3: /* erase scroll-back buffer (and whole display) */ scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, - vc->vc_screenbuf_size >> 1); + vc->vc_screenbuf_size); set_origin(vc); if (con_is_visible(vc)) update_screen(vc); |