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d541ae4e76
linux/drivers/tty
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Nicolas Pitre d541ae4e76 vt: avoid a VLA in the unicode screen scroll function 
The nr argument is typically small: most often nr == 1. However this
could be abused with a very large explicit scroll in a resized screen.
Make the code scroll lines by performing an array rotation operation to
avoid the need for a large temporary space.

Requested-by: Kees Cook <keescook@chromium.org>
Suggested-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-21 09:19:46 +02:00
..
hvc treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
ipwireless tty: ipwireless: Replace GFP_ATOMIC with GFP_KERNEL in ipwireless_network_create 2018-04-23 10:57:06 +02:00
serdev serdev: add dev_pm_domain_attach|detach() 2018-07-15 12:23:53 +02:00
serial serial: sh-sci: Drop superfluous assignment in sci_request_dma() 2018-07-21 08:40:51 +02:00
vt vt: avoid a VLA in the unicode screen scroll function 2018-07-21 09:19:46 +02:00
amiserial.c tty: replace ->proc_fops with ->proc_show 2018-05-16 07:24:30 +02:00
cyclades.c tty: replace ->proc_fops with ->proc_show 2018-05-16 07:24:30 +02:00
ehv_bytechan.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
goldfish.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
isicom.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2018-04-09 09:04:10 -07:00
Makefile tty: remove bfin_jtag_comm and hvc_bfin_jtag drivers 2018-03-26 15:57:24 +02:00
mips_ejtag_fdc.c
moxa.c tty: moxa: Add support for CMSPAR 2017-11-28 15:32:33 +01:00
moxa.h tty: moxa: Add support for CMSPAR 2017-11-28 15:32:33 +01:00
mxser.c
mxser.h
n_gsm.c Merge 4.17-rc3 into tty-next 2018-04-30 05:14:55 -07:00
n_hdlc.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
n_null.c
n_r3964.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c n_tty: Access echo_* variables carefully. 2018-06-28 21:30:16 +09:00
nozomi.c tty/nozomi: fix inconsistent indentation 2018-04-25 14:54:26 +02:00
pty.c pty: fix O_CLOEXEC for TIOCGPTPEER 2018-07-21 09:08:47 +02:00
rocket_int.h
rocket.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
rocket.h
synclink_gt.c tty: replace ->proc_fops with ->proc_show 2018-05-16 07:24:30 +02:00
synclink.c tty: replace ->proc_fops with ->proc_show 2018-05-16 07:24:30 +02:00
synclinkmp.c tty: replace ->proc_fops with ->proc_show 2018-05-16 07:24:30 +02:00
sysrq.c fs: add ksys_sync() helper; remove in-kernel calls to sys_sync() 2018-04-02 20:16:05 +02:00
tty_audit.c
tty_baudrate.c tty: support CIBAUD without BOTHER 2018-07-16 12:00:43 +02:00
tty_buffer.c
tty_io.c tty: use 64-bit timstamp 2018-06-28 21:07:54 +09:00
tty_ioctl.c tty: add missing const to termios hw-change helper 2018-05-22 10:08:05 +02:00
tty_jobctrl.c
tty_ldisc.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
tty_ldsem.c atomic/tty: Fix up atomic abuse in ldsem 2018-06-28 21:07:55 +09:00
tty_mutex.c
tty_port.c
vcc.c