diff options
-rw-r--r-- | Documentation/oops-tracing.txt | 2 | ||||
-rw-r--r-- | arch/alpha/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/arm/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/arm26/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/avr32/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/i386/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/m68k/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/m68knommu/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/mips/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/parisc/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/powerpc/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/ppc/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/sh/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/sparc/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/sparc64/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/x86_64/kernel/traps.c | 1 | ||||
-rw-r--r-- | arch/xtensa/kernel/traps.c | 1 | ||||
-rw-r--r-- | include/linux/kernel.h | 1 | ||||
-rw-r--r-- | kernel/panic.c | 5 |
21 files changed, 24 insertions, 2 deletions
diff --git a/Documentation/oops-tracing.txt b/Documentation/oops-tracing.txt index 23e6dde7eea6..7f60dfe642ca 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 d6e665d567bd..ec0f05e0d8ff 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 237f4999b9a1..f2114bcf09d5 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 d594fb59e945..2911e2eae80e 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 aaa792815cd7..9a73ce7eb50f 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 28bd1c5163ec..18c1c285836d 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 15ad85da15a9..3aeaf15e468b 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 a27a4fa33296..4e2752a0e89b 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 bed5f47bf568..fde04e1757f7 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 37c562c4c817..ce277cb34dd0 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 f9bca2d74b38..bbf029a184ac 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 3b8427e6283d..2bb1cb911783 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 0eaef7c8378b..3f3b292eb773 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 81e03b9c3841..8ec9def83ccb 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 05a40f3c30bf..502d43e4785c 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 dc9ffea2a4f7..3bc3bff51e08 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 00a9e3286c83..6ef2d299fb10 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 7fa155c394d9..6963b64a76ca 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 693ab268485e..c5e62f9d9f50 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 7a4852505914..1eb9cde550c4 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 623d1828259a..f64f4c1ac11f 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"); |