diff options
| -rw-r--r-- | arch/mips/kernel/traps.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index cb8b0e2c795..f9165d1a17b 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -88,15 +88,17 @@ static void show_raw_backtrace(unsigned long reg29) #ifdef CONFIG_KALLSYMS printk("\n"); #endif -#define IS_KVA01(a) ((((unsigned int)a) & 0xc0000000) == 0x80000000) - if (IS_KVA01(sp)) { - while (!kstack_end(sp)) { - addr = *sp++; - if (__kernel_text_address(addr)) - print_ip_sym(addr); + while (!kstack_end(sp)) { + unsigned long __user *p = + (unsigned long __user *)(unsigned long)sp++; + if (__get_user(addr, p)) { + printk(" (Bad stack address)"); + break; } - printk("\n"); + if (__kernel_text_address(addr)) + print_ip_sym(addr); } + printk("\n"); } #ifdef CONFIG_KALLSYMS |