.dev/distro/kernel/atom?h=linux-6.1.y</id>
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<updated>2025-08-28T14:26:05Z</updated>
<entry>
<title>vt: defkeymap: Map keycodes above 127 to K_HOLE</title>
<updated>2025-08-28T14:26:05Z</updated>
<author>
<name>Myrrh Periwinkle</name>
<email>myrrhperiwinkle@qtmlabs.xyz</email>
</author>
<published>2025-07-02T14:17:58Z</published>
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<id>urn:sha1:83507c4b3a28dfaeb2a57bdc42a0646e41c1e372</id>
<content type='text'>
commit b43cb4ff85da5cf29c4cd351ef1d7dd8210780f7 upstream.

The maximum number of keycodes got bumped to 256 a very long time ago,
but the default keymaps were never adjusted to match. This is causing
the kernel to interpret keycodes above 127 as U+0000 if the shipped
generated keymap is used.

Fix this by mapping all keycodes above 127 to K_HOLE so the kernel
ignores them.

The contents of this patche were generated by rerunning `loadkeys
--mktable --unicode` and only including the changes to map keycodes
above 127 to K_HOLE.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Myrrh Periwinkle &lt;myrrhperiwinkle@qtmlabs.xyz&gt;
Cc: stable &lt;stable@kernel.org&gt;
Reviewed-by: Jiri Slaby &lt;jirislaby@kernel.org&gt;
Link: https://lore.kernel.org/r/20250702-vt-misc-unicode-fixes-v1-2-c27e143cc2eb@qtmlabs.xyz
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>vt: keyboard: Don't process Unicode characters in K_OFF mode</title>
<updated>2025-08-28T14:26:05Z</updated>
<author>
<name>Myrrh Periwinkle</name>
<email>myrrhperiwinkle@qtmlabs.xyz</email>
</author>
<published>2025-07-02T14:17:57Z</published>
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<id>urn:sha1:dd5222c1215edee45d3738581a1a74d962a9f50d</id>
<content type='text'>
commit b1cc2092ea7a52e2c435aee6d2b1bcb773202663 upstream.

We don't process Unicode characters if the virtual terminal is in raw
mode, so there's no reason why we shouldn't do the same for K_OFF
(especially since people would expect K_OFF to actually turn off all VT
key processing).

Fixes: 9fc3de9c8356 ("vt: Add virtual console keyboard mode OFF")
Signed-off-by: Myrrh Periwinkle &lt;myrrhperiwinkle@qtmlabs.xyz&gt;
Cc: stable &lt;stable@kernel.org&gt;
Reviewed-by: Jiri Slaby &lt;jirislaby@kernel.org&gt;
Link: https://lore.kernel.org/r/20250702-vt-misc-unicode-fixes-v1-1-c27e143cc2eb@qtmlabs.xyz
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>
<entry>
<title>vt: add missing notification when switching back to text mode</title>
<updated>2025-07-17T16:32:14Z</updated>
<author>
<name>Nicolas Pitre</name>
<email>npitre@baylibre.com</email>
</author>
<published>2025-06-11T01:41:44Z</published>
<link rel='alternate' type='text/html' href='https://universe.0xinfinity.dev/distro/kernel/commit/?id=dce9d76b73b85a9ca82c5301b0e00043781d7419'/>
<id>urn:sha1:dce9d76b73b85a9ca82c5301b0e00043781d7419</id>
<content type='text'>
[ Upstream commit ff78538e07fa284ce08cbbcb0730daa91ed16722 ]

Programs using poll() on /dev/vcsa to be notified when VT changes occur
were missing one case: the switch from gfx to text mode.

Signed-off-by: Nicolas Pitre &lt;npitre@baylibre.com&gt;
Link: https://lore.kernel.org/r/9o5ro928-0pp4-05rq-70p4-ro385n21n723@onlyvoer.pbz
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>tty: vt: make consw::con_switch() return a bool</title>
<updated>2025-07-06T08:57:59Z</updated>
<author>
<name>Jiri Slaby (SUSE)</name>
<email>jirislaby@kernel.org</email>
</author>
<published>2024-01-22T11:03:44Z</published>
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<id>urn:sha1:a81bfb86d1d2ada4f6cbb833fd7291695623afb6</id>
<content type='text'>
[ Upstream commit 8d5cc8eed738e3202379722295c626cba0849785 ]

The non-zero (true) return value from consw::con_switch() means a redraw
is needed. So make this return type a bool explicitly instead of int.
The latter might imply that -Eerrors are expected. They are not.

And document the hook.

Signed-off-by: "Jiri Slaby (SUSE)" &lt;jirislaby@kernel.org&gt;
Cc: Helge Deller &lt;deller@gmx.de&gt;
Cc: "James E.J. Bottomley" &lt;James.Bottomley@HansenPartnership.com&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller &lt;deller@gmx.de&gt; # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-31-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Stable-dep-of: 03bcbbb3995b ("dummycon: Trigger redraw when switching consoles with deferred takeover")
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>tty: vt: sanitize arguments of consw::con_clear()</title>
<updated>2025-07-06T08:57:59Z</updated>
<author>
<name>Jiri Slaby (SUSE)</name>
<email>jirislaby@kernel.org</email>
</author>
<published>2024-01-22T11:03:35Z</published>
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<id>urn:sha1:05eaede40e602a9126fd61393fb09139255a9d8e</id>
<content type='text'>
[ Upstream commit 559f01a0ee6d924c6fec3eaf6a5b078b15e71070 ]

In consw::con_clear():
* Height is always 1, so drop it.
* Offsets and width are always unsigned values, so re-type them as such.

This needs a new __fbcon_clear() in the fbcon code to still handle
height which might not be 1 when called internally.

Note that tests for negative count/width are left in place -- they are
taken care of in the next patches.

And document the hook.

Signed-off-by: "Jiri Slaby (SUSE)" &lt;jirislaby@kernel.org&gt;
Cc: Helge Deller &lt;deller@gmx.de&gt;
Cc: "James E.J. Bottomley" &lt;James.Bottomley@HansenPartnership.com&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller &lt;deller@gmx.de&gt; # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-22-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Stable-dep-of: 03bcbbb3995b ("dummycon: Trigger redraw when switching consoles with deferred takeover")
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>tty: vt: make init parameter of consw::con_init() a bool</title>
<updated>2025-07-06T08:57:59Z</updated>
<author>
<name>Jiri Slaby (SUSE)</name>
<email>jirislaby@kernel.org</email>
</author>
<published>2024-01-22T11:03:34Z</published>
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<id>urn:sha1:173229b6baeb81390917c61e6303df21a13403ed</id>
<content type='text'>
[ Upstream commit dae3e6b6180f1a2394b984c596d39ed2c57d25fe ]

The 'init' parameter of consw::con_init() is true for the first call of
the hook on a particular console. So make the parameter a bool.

And document the hook.

Signed-off-by: "Jiri Slaby (SUSE)" &lt;jirislaby@kernel.org&gt;
Reviewed-by: Geert Uytterhoeven &lt;geert+renesas@glider.be&gt;
Cc: Helge Deller &lt;deller@gmx.de&gt;
Cc: "James E.J. Bottomley" &lt;James.Bottomley@HansenPartnership.com&gt;
Cc: Daniel Vetter &lt;daniel@ffwll.ch&gt;
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-parisc@vger.kernel.org
Tested-by: Helge Deller &lt;deller@gmx.de&gt; # parisc STI console
Link: https://lore.kernel.org/r/20240122110401.7289-21-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Stable-dep-of: 03bcbbb3995b ("dummycon: Trigger redraw when switching consoles with deferred takeover")
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>vt: remove VT_RESIZE and VT_RESIZEX from vt_compat_ioctl()</title>
<updated>2025-06-27T10:07:17Z</updated>
<author>
<name>Nicolas Pitre</name>
<email>npitre@baylibre.com</email>
</author>
<published>2025-05-15T15:30:52Z</published>
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<content type='text'>
[ Upstream commit c4c7ead7b86c1e7f11c64915b7e5bb6d2e242691 ]

They are listed amon those cmd values that "treat 'arg' as an integer"
which is wrong. They should instead fall into the default case. Probably
nobody ever relied on that code since 2009 but still.

Fixes: e92166517e3c ("tty: handle VT specific compat ioctls in vt driver")
Signed-off-by: Nicolas Pitre &lt;npitre@baylibre.com&gt;
Reviewed-by: Jiri Slaby &lt;jirislaby@kernel.org&gt;
Link: https://lore.kernel.org/r/pr214s15-36r8-6732-2pop-159nq85o48r7@syhkavp.arg
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
</entry>
<entry>
<title>vt: prevent kernel-infoleak in con_font_get()</title>
<updated>2024-11-08T15:26:48Z</updated>
<author>
<name>Jeongjun Park</name>
<email>aha310510@gmail.com</email>
</author>
<published>2024-10-10T17:46:19Z</published>
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<id>urn:sha1:23c4cb8a56978e5b1baa171d42e616e316c2039d</id>
<content type='text'>
commit f956052e00de211b5c9ebaa1958366c23f82ee9e upstream.

font.data may not initialize all memory spaces depending on the implementation
of vc-&gt;vc_sw-&gt;con_font_get. This may cause info-leak, so to prevent this, it
is safest to modify it to initialize the allocated memory space to 0, and it
generally does not affect the overall performance of the system.

Cc: stable@vger.kernel.org
Reported-by: syzbot+955da2d57931604ee691@syzkaller.appspotmail.com
Fixes: 05e2600cb0a4 ("VT: Bump font size limitation to 64x128 pixels")
Signed-off-by: Jeongjun Park &lt;aha310510@gmail.com&gt;
Link: https://lore.kernel.org/r/20241010174619.59662-1-aha310510@gmail.com
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
</entry>