diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt
index 23e6dde7eea6c34c33ffeb1ff0906a3f0848dcfa..7f60dfe642caf9a65421f49b3cf9c342b79705dd 100644
--- a/Documentation/oops-tracing.txt
+++ b/Documentation/oops-tracing.txt
@@ -251,6 +251,8 @@ characters, each representing a particular tainted value.
7: 'U' if a user or user application specifically requested that the
Tainted flag be set, ' ' otherwise.
+ 8: 'D' if the kernel has died recently, i.e. there was an OOPS or BUG.
+
The primary reason for the 'Tainted: ' string is to tell kernel
debuggers if this is a clean kernel or if anything unusual has
occurred. Tainting is permanent: even if an offending module is
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index d6e665d567bdc57758d10fe5c72a3b27fd758db2..ec0f05e0d8ffc169567c0f78cbde1e194b7105db 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -184,6 +184,7 @@ die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15)
#endif
printk("%s(%d): %s %ld\n", current->comm, current->pid, str, err);
dik_show_regs(regs, r9_15);
+ add_taint(TAINT_DIE);
dik_show_trace((unsigned long *)(regs+1));
dik_show_code((unsigned int *)regs->pc);
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 237f4999b9a167688730220bed88f4f38a3e0385..f2114bcf09d522994d11fcfafef264b2ba318e92 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -249,6 +249,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
bust_spinlocks(1);
__die(str, err, thread, regs);
bust_spinlocks(0);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
diff --git a/arch/arm26/kernel/traps.c b/arch/arm26/kernel/traps.c
index d594fb59e945514f63ab217b6f1ea1ac7dbefda3..2911e2eae80eaf2211b01b8786754707a4c80c75 100644
--- a/arch/arm26/kernel/traps.c
+++ b/arch/arm26/kernel/traps.c
@@ -185,6 +185,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
printk("Internal error: %s: %x\n", str, err);
printk("CPU: %d\n", smp_processor_id());
show_regs(regs);
+ add_taint(TAINT_DIE);
printk("Process %s (pid: %d, stack limit = 0x%p)\n",
current->comm, current->pid, end_of_stack(tsk));
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
index aaa792815cd7ce6d71d760291937b7d2a67f68ad..9a73ce7eb50fb1da8e6c04ca41c327108b602b6f 100644
--- a/arch/avr32/kernel/traps.c
+++ b/arch/avr32/kernel/traps.c
@@ -56,6 +56,7 @@ void NORET_TYPE die(const char *str, struct pt_regs *regs, long err)
show_regs_log_lvl(regs, KERN_EMERG);
show_stack_log_lvl(current, regs->sp, regs, KERN_EMERG);
bust_spinlocks(0);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 28bd1c5163ec32f89e835e60cf16e7f713ca044e..18c1c285836d3a65bd5a03314094d01851b64ef2 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -433,6 +433,7 @@ void die(const char * str, struct pt_regs * regs, long err)
bust_spinlocks(0);
die.lock_owner = -1;
+ add_taint(TAINT_DIE);
spin_unlock_irqrestore(&die.lock, flags);
if (!regs)
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 15ad85da15a9b2e8f533bf8e7c111dda1bc88a31..3aeaf15e468ba180381e79f7e19d94aad98e97e6 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -69,6 +69,7 @@ die (const char *str, struct pt_regs *regs, long err)
bust_spinlocks(0);
die.lock_owner = -1;
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die.lock);
if (panic_on_oops)
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index a27a4fa332962a6c35918c1f28c3f6494c026453..4e2752a0e89b32b2dccd4e2576844378887bab16 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -1170,6 +1170,7 @@ void die_if_kernel (char *str, struct pt_regs *fp, int nr)
console_verbose();
printk("%s: %08x\n",str,nr);
show_registers(fp);
+ add_taint(TAINT_DIE);
do_exit(SIGSEGV);
}
diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c
index bed5f47bf568c05c940d19a289085ba5ea4fdbf5..fde04e1757f74ac1b4cd0fddb19ea7a6ebc59218 100644
--- a/arch/m68knommu/kernel/traps.c
+++ b/arch/m68knommu/kernel/traps.c
@@ -83,6 +83,7 @@ void die_if_kernel(char *str, struct pt_regs *fp, int nr)
printk(KERN_EMERG "Process %s (pid: %d, stackpage=%08lx)\n",
current->comm, current->pid, PAGE_SIZE+(unsigned long)current);
show_stack(NULL, (unsigned long *)fp);
+ add_taint(TAINT_DIE);
do_exit(SIGSEGV);
}
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 37c562c4c8176f3dfe8dd88251ef1899b42b2ccf..ce277cb34dd0dab366a8ab3cc608fbbb8514c4ff 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -326,6 +326,7 @@ void __noreturn die(const char * str, struct pt_regs * regs)
#endif /* CONFIG_MIPS_MT_SMTC */
printk("%s[#%d]:\n", str, ++die_counter);
show_registers(regs);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index f9bca2d74b38092b47821d2aa8ea5d9096fa9f1a..bbf029a184acce9be221def228b2e575160be633 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -264,6 +264,7 @@ KERN_CRIT " || ||\n");
show_regs(regs);
dump_stack();
+ add_taint(TAINT_DIE);
if (in_interrupt())
panic("Fatal exception in interrupt");
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 3b8427e6283ddd4e84cc868fbef316534ce839fd..2bb1cb911783e761dd51aaf224c29f116f3930b6 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -149,6 +149,7 @@ int die(const char *str, struct pt_regs *regs, long err)
bust_spinlocks(0);
die.lock_owner = -1;
+ add_taint(TAINT_DIE);
spin_unlock_irqrestore(&die.lock, flags);
if (kexec_should_crash(current) ||
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index 0eaef7c8378b0a27ae9938170e6a726e59f20870..3f3b292eb773ba80d2d3f79bdfd231bbcea95ecb 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -92,6 +92,7 @@ int die(const char * str, struct pt_regs * fp, long err)
if (nl)
printk("\n");
show_regs(fp);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
/* do_exit() should take care of panic'ing from an interrupt
* context so we don't handle it here
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 81e03b9c384116553c168052283e50d3237e1e17..8ec9def83ccbd401f336ee74e36461b25e07048a 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -262,6 +262,7 @@ void die(const char * str, struct pt_regs * regs, long err)
print_modules();
show_regs(regs);
bust_spinlocks(0);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
panic("Fatal exception in interrupt");
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 05a40f3c30bf0c7848d02d77d77b4b8af5600ad1..502d43e4785c200bf557bdcca552caaa7df5273a 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -103,6 +103,7 @@ void die(const char * str, struct pt_regs * regs, long err)
(unsigned long)task_stack_page(current));
bust_spinlocks(0);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (kexec_should_crash(current))
diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c
index dc9ffea2a4f7025d4e04908fc8123be881ae1f19..3bc3bff51e08d284d376dbe061457db053111367 100644
--- a/arch/sparc/kernel/traps.c
+++ b/arch/sparc/kernel/traps.c
@@ -101,6 +101,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
printk("%s(%d): %s [#%d]\n", current->comm, current->pid, str, ++die_counter);
show_regs(regs);
+ add_taint(TAINT_DIE);
__SAVE; __SAVE; __SAVE; __SAVE;
__SAVE; __SAVE; __SAVE; __SAVE;
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 00a9e3286c837e2acab7bf5a155bc3729c7da0b6..6ef2d299fb10c4527687d323f89154c4dbce9f4d 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2225,6 +2225,7 @@ void die_if_kernel(char *str, struct pt_regs *regs)
notify_die(DIE_OOPS, str, regs, 0, 255, SIGSEGV);
__asm__ __volatile__("flushw");
__show_regs(regs);
+ add_taint(TAINT_DIE);
if (regs->tstate & TSTATE_PRIV) {
struct reg_window *rw = (struct reg_window *)
(regs->u_regs[UREG_FP] + STACK_BIAS);
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 7fa155c394d934548df7fedce29d9a554fa5bfbc..6963b64a76caef7ce4ea5512ea3adc3677168c70 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -518,6 +518,7 @@ void __kprobes __die(const char * str, struct pt_regs * regs, long err)
printk("\n");
notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV);
show_registers(regs);
+ add_taint(TAINT_DIE);
/* Executive summary in case the oops scrolled away */
printk(KERN_ALERT "RIP ");
printk_address(regs->rip);
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 693ab268485eaeee04b3a537298e1760bcf74bed..c5e62f9d9f50068147b2db824dcc4d177fa3f041 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -482,6 +482,7 @@ void die(const char * str, struct pt_regs * regs, long err)
if (!user_mode(regs))
show_stack(NULL, (unsigned long*)regs->areg[1]);
+ add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
if (in_interrupt())
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 7a485250591491089549455a60c944aa4be0a5ff..1eb9cde550c41a7e97598be47a1b24d216190cfa 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -210,6 +210,7 @@ extern enum system_states {
#define TAINT_MACHINE_CHECK (1<<4)
#define TAINT_BAD_PAGE (1<<5)
#define TAINT_USER (1<<6)
+#define TAINT_DIE (1<<7)
extern void dump_stack(void);
diff --git a/kernel/panic.c b/kernel/panic.c
index 623d1828259a9a4f1b9f7b6776bf0ea3b339c75d..f64f4c1ac11fc78c6c13d28968383e77c724e35c 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -159,14 +159,15 @@ const char *print_tainted(void)
{
static char buf[20];
if (tainted) {
- snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c",
+ snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c",
tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G',
tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
tainted & TAINT_UNSAFE_SMP ? 'S' : ' ',
tainted & TAINT_FORCED_RMMOD ? 'R' : ' ',
tainted & TAINT_MACHINE_CHECK ? 'M' : ' ',
tainted & TAINT_BAD_PAGE ? 'B' : ' ',
- tainted & TAINT_USER ? 'U' : ' ');
+ tainted & TAINT_USER ? 'U' : ' ',
+ tainted & TAINT_DIE ? 'D' : ' ');
}
else
snprintf(buf, sizeof(buf), "Not tainted");