diff options
| -rw-r--r-- | arch/arm64/kernel/stacktrace.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c index 4a08ad8158380..1d9d51d7627fd 100644 --- a/arch/arm64/kernel/stacktrace.c +++ b/arch/arm64/kernel/stacktrace.c @@ -137,8 +137,10 @@ kunwind_recover_return_address(struct kunwind_state *state) orig_pc = ftrace_graph_ret_addr(state->task, &state->graph_idx, state->common.pc, (void *)state->common.fp); - if (WARN_ON_ONCE(state->common.pc == orig_pc)) + if (state->common.pc == orig_pc) { + WARN_ON_ONCE(state->task == current); return -EINVAL; + } state->common.pc = orig_pc; state->flags.fgraph = 1; } @@ -199,12 +201,12 @@ kunwind_next_frame_record_meta(struct kunwind_state *state) case FRAME_META_TYPE_FINAL: if (meta == &task_pt_regs(tsk)->stackframe) return -ENOENT; - WARN_ON_ONCE(1); + WARN_ON_ONCE(tsk == current); return -EINVAL; case FRAME_META_TYPE_PT_REGS: return kunwind_next_regs_pc(state); default: - WARN_ON_ONCE(1); + WARN_ON_ONCE(tsk == current); return -EINVAL; } } |