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linux/drivers/tty/vt
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Scot Doyle dbc3fd44f9 vt: clear selection before resizing 
commit 009e39ae44 upstream.

When resizing a vt its selection may exceed the new size, resulting in
an invalid memory access [1]. Clear the selection before resizing.

[1] http://lkml.kernel.org/r/CACT4Y+acDTwy4umEvf5ROBGiRJNrxHN4Cn5szCXE5Jw-d1B=Xw@mail.gmail.com

Reported-and-tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Scot Doyle <lkml14@scotdoyle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2017-02-23 03:54:22 +00:00
..
.gitignore TTY: move .gitignore from drivers/char/ to drivers/tty/vt/ 2010-11-05 22:18:23 -07:00
consolemap.c tty/vt: don't set font mappings on vc not supporting this 2014-11-14 15:20:00 +00:00
cp437.uni TTY: create drivers/tty/vt and move the vt code there 2010-11-05 08:16:52 -07:00
defkeymap.c_shipped TTY: create drivers/tty/vt and move the vt code there 2010-11-05 08:16:52 -07:00
defkeymap.map TTY: create drivers/tty/vt and move the vt code there 2010-11-05 08:16:52 -07:00
keyboard.c tty/vt/keyboard: fix OOB access in do_compute_shiftstate() 2016-11-20 01:16:56 +00:00
Makefile tty: vt/Makefile: set the variables to static 2013-01-15 21:52:24 -08:00
selection.c tty: Fix unsafe vt paste_selection() 2013-07-23 16:47:10 -07:00
vc_screen.c vc: switch to fixed_size_llseek() 2013-06-29 12:57:30 +04:00
vt.c vt: clear selection before resizing 2017-02-23 03:54:22 +00:00
vt_ioctl.c tty/vt: Return EBUSY if deallocating VT1 and it is busy 2013-06-17 12:37:29 -07:00