diff options
Diffstat (limited to 'arch/arm/kernel/stacktrace.c')
| -rw-r--r-- | arch/arm/kernel/stacktrace.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 6e8a50de40e2..b75332da3bb1 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -1,4 +1,5 @@ #include <linux/export.h> +#include <linux/kasan.h> #include <linux/sched.h> #include <linux/stacktrace.h> @@ -58,12 +59,16 @@ int notrace unwind_frame(struct stackframe *frame) if (fp < low + 12 || fp > high - 4) return -EINVAL; + kasan_disable_current(); + /* restore the registers from the stack frame */ frame->fp = *(unsigned long *)(fp - 12); frame->sp = *(unsigned long *)(fp - 8); frame->pc = *(unsigned long *)(fp - 4); #endif + kasan_enable_current(); + return 0; } #endif @@ -194,6 +199,7 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) { __save_stack_trace(tsk, trace, 1); } +EXPORT_SYMBOL(save_stack_trace_tsk); void save_stack_trace(struct stack_trace *trace) { |