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authorMark Brown <broonie@kernel.org>2018-10-01 12:14:51 +0100
committerMark Brown <broonie@kernel.org>2018-10-01 12:14:51 +0100
commitc46dfa3b9768d6cd6c5fd562bdaa371a172a6c00 (patch)
treed6a2f6732b08831b7036c5e15499aadc858a648f /drivers/tty/vt/vt_ioctl.c
parent827ca3b0b92946f4dbf2b6178035163016a12cec (diff)
parent46f9f7c3c326389d5765c28f120fead6cc068e67 (diff)
Merge tag 'v4.9.130' into linux-linaro-lsk-v4.9lsk-v4.9-18.09
This is the 4.9.130 stable release # gpg: Signature made Sat 29 Sep 2018 11:07:36 BST # gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E # gpg: Good signature from "Greg Kroah-Hartman <gregkh@linuxfoundation.org>" [unknown] # gpg: aka "Greg Kroah-Hartman (Linux kernel stable release signing key) <greg@kroah.com>" [unknown] # gpg: aka "Greg Kroah-Hartman <gregkh@kernel.org>" [unknown] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 647F 2865 4894 E3BD 4571 99BE 38DB BDC8 6092 693E
Diffstat (limited to 'drivers/tty/vt/vt_ioctl.c')
-rw-r--r--drivers/tty/vt/vt_ioctl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index f62c598810ff..638eb9bbd59f 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -31,6 +31,8 @@
#include <asm/io.h>
#include <asm/uaccess.h>
+#include <linux/nospec.h>
+
#include <linux/kbd_kern.h>
#include <linux/vt_kern.h>
#include <linux/kbd_diacr.h>
@@ -703,6 +705,8 @@ int vt_ioctl(struct tty_struct *tty,
if (vsa.console == 0 || vsa.console > MAX_NR_CONSOLES)
ret = -ENXIO;
else {
+ vsa.console = array_index_nospec(vsa.console,
+ MAX_NR_CONSOLES + 1);
vsa.console--;
console_lock();
ret = vc_allocate(vsa.console);