diff options
Diffstat (limited to 'arch/arm64/kernel/stacktrace.c')
| -rw-r--r-- | arch/arm64/kernel/stacktrace.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 4faaf1af88fd..ea3e453fdd14 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -15,6 +15,7 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/kasan.h> #include <linux/kernel.h> #include <linux/export.h> #include <linux/ftrace.h> @@ -63,10 +64,14 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) if (fp < low || fp > high || fp & 0xf) return -EINVAL; + kasan_disable_current(); + frame->sp = fp + 0x10; frame->fp = *(unsigned long *)(fp); frame->pc = *(unsigned long *)(fp + 8); + kasan_enable_current(); + #ifdef CONFIG_FUNCTION_GRAPH_TRACER if (tsk && tsk->ret_stack && (frame->pc == (unsigned long)return_to_handler)) { @@ -184,6 +189,7 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) put_task_stack(tsk); } +EXPORT_SYMBOL(save_stack_trace_tsk); void save_stack_trace(struct stack_trace *trace) { |