#include <linux/nmi.h>
#include <linux/kexec.h>
#include <linux/debug_locks.h>
+#include <linux/random.h>
int panic_on_oops;
int tainted;
*
* This function never returns.
*/
-
+
NORET_TYPE void panic(const char * fmt, ...)
{
long i;
static char buf[1024];
va_list args;
#if defined(CONFIG_S390)
- unsigned long caller = (unsigned long) __builtin_return_address(0);
+ unsigned long caller = (unsigned long) __builtin_return_address(0);
#endif
/*
}
#endif
#if defined(CONFIG_S390)
- disabled_wait(caller);
+ disabled_wait(caller);
#endif
local_irq_enable();
for (i = 0;;) {
* 'F' - Module has been forcibly loaded.
* 'S' - SMP with CPUs not designed for SMP.
* 'R' - User forced a module unload.
- * 'M' - Machine had a machine check experience.
+ * 'M' - System experienced a machine check exception.
* 'B' - System has hit bad_page.
* 'U' - Userspace-defined naughtiness.
*
* The string is overwritten by the next call to print_taint().
*/
-
+
const char *print_tainted(void)
{
static char buf[20];
tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
tainted & TAINT_UNSAFE_SMP ? 'S' : ' ',
tainted & TAINT_FORCED_RMMOD ? 'R' : ' ',
- tainted & TAINT_MACHINE_CHECK ? 'M' : ' ',
+ tainted & TAINT_MACHINE_CHECK ? 'M' : ' ',
tainted & TAINT_BAD_PAGE ? 'B' : ' ',
tainted & TAINT_USER ? 'U' : ' ',
tainted & TAINT_DIE ? 'D' : ' ');
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.
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