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(parent: 902fd8d) | patch
vt: clear selection before resizing
authorScot Doyle <lkml14@scotdoyle.com>
Thu, 13 Oct 2016 17:12:43 +0000 (12:12 -0500)
committerWilly Tarreau <w@1wt.eu>
Fri, 10 Feb 2017 10:03:41 +0000 (11:03 +0100)
commit5812a9bc9d68a82c2cc839f88e6f7a05093ab39d
tree09be44de2676a27442d895e522575037cf30b729tree | snapshot (tar.gz zip)
parent902fd8d597f6cec01c7d24da38e0a921fdbc6382commit | diff
vt: clear selection before resizing

commit 009e39ae44f4191188aeb6dfbf661b771dbbe515 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: Willy Tarreau <w@1wt.eu>
drivers/tty/vt/vt.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)