diff --git a/kernel/panic.c b/kernel/panic.c index 6f6e03e91595f7f1959a282c5a35697efb02c79d..da4d6bac270e90dcdc0dfc6052dbb49f935cc981 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -19,6 +19,7 @@ #include #include #include +#include int panic_on_oops; int tainted; @@ -265,6 +266,20 @@ void oops_enter(void) do_oops_enter_exit(); } +/* + * 64-bit random ID for oopses: + */ +static u64 oops_id; + +static int init_oops_id(void) +{ + if (!oops_id) + get_random_bytes(&oops_id, sizeof(oops_id)); + + return 0; +} +late_initcall(init_oops_id); + /* * Called when the architecture exits its oops handler, after printing * everything. @@ -272,6 +287,9 @@ void oops_enter(void) void oops_exit(void) { do_oops_enter_exit(); + init_oops_id(); + printk(KERN_WARNING "---[ end trace %016llx ]---\n", + (unsigned long long)oops_id); } #ifdef CONFIG_CC_STACKPROTECTOR