From: Matteo Croce <mcroce@xxxxxxxxxxxxx> The parsing of the reboot= cmdline has two major errors: - a missing bound check can crash the system on reboot - parsing of the cpu number only works if specified last Fix both, along with a small code refactor. Matteo Croce (2): reboot: fix overflow parsing reboot cpu number reboot: fix parsing of reboot cpu number kernel/reboot.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) -- 2.26.2