kernel-ark/init
Daniel Thompson 3438cf549d param: fix crash on bad kernel arguments
Currently if the user passes an invalid value on the kernel command line
then the kernel will crash during argument parsing. On most systems this
is very hard to debug because the console hasn't been initialized yet.

This is a regression due to commit 51e158c12a ("param: hand arguments
after -- straight to init") which, in response to the systemd debug
controversy, made it possible to explicitly pass arguments to init. To
achieve this parse_args() was extended from simply returning an error
code to returning a pointer. Regretably the new init args logic does not
perform a proper validity check on the pointer resulting in a crash.

This patch fixes the validity check. Should the check fail then no arguments
will be passed to init. This is reasonable and matches how the kernel treats
its own arguments (i.e. no error recovery).

Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-11-11 17:03:19 +10:30
..
calibrate.c kernel: add calibration_delay_done() 2014-06-16 12:47:39 -06:00
do_mounts_initrd.c usermodehelper: split remaining calls to call_usermodehelper_fns() 2013-04-30 17:04:06 -07:00
do_mounts_md.c
do_mounts_rd.c initramfs: support initramfs that is bigger than 2GiB 2014-08-08 15:57:26 -07:00
do_mounts.c Revert "init: make rootdelay=N consistent with rootwait behaviour" 2014-09-17 08:02:07 -07:00
do_mounts.h
init_task.c sched/rt: Move rt specific bits into new header file 2013-02-07 20:51:08 +01:00
initramfs.c init/initramfs.c: resolve shadow warnings 2014-10-14 02:18:22 +02:00
Kconfig bpf: split eBPF out of NET 2014-10-27 19:09:59 -04:00
main.c param: fix crash on bad kernel arguments 2014-11-11 17:03:19 +10:30
Makefile
noinitramfs.c
version.c proc: Split the namespace stuff out into linux/proc_ns.h 2013-05-01 17:29:39 -04:00