Commits
WANG Cong committed 243d5212618
taskstats: fix the length of cgroupstats_cmd_get_policy cgroupstats_cmd_get_policy is [CGROUPSTATS_CMD_ATTR_MAX+1], taskstats_cmd_get_policy[TASKSTATS_CMD_ATTR_MAX+1], but their family.maxattr is TASKSTATS_CMD_ATTR_MAX. CGROUPSTATS_CMD_ATTR_MAX is less than TASKSTATS_CMD_ATTR_MAX, so we could end up accessing out-of-bound. Change cgroupstats_cmd_get_policy to TASKSTATS_CMD_ATTR_MAX+1, this is safe because the rest are initialized to 0's. Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>