aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/session.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r--tools/perf/util/session.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 3b6f8e460a31..04d1e33f4592 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -300,6 +300,11 @@ int machine__resolve_callchain(struct machine *self,
300 300
301 callchain_cursor_reset(&callchain_cursor); 301 callchain_cursor_reset(&callchain_cursor);
302 302
303 if (chain->nr > PERF_MAX_STACK_DEPTH) {
304 pr_warning("corrupted callchain. skipping...\n");
305 return 0;
306 }
307
303 for (i = 0; i < chain->nr; i++) { 308 for (i = 0; i < chain->nr; i++) {
304 u64 ip; 309 u64 ip;
305 struct addr_location al; 310 struct addr_location al;
@@ -318,7 +323,14 @@ int machine__resolve_callchain(struct machine *self,
318 case PERF_CONTEXT_USER: 323 case PERF_CONTEXT_USER:
319 cpumode = PERF_RECORD_MISC_USER; break; 324 cpumode = PERF_RECORD_MISC_USER; break;
320 default: 325 default:
321 break; 326 pr_debug("invalid callchain context: "
327 "%"PRId64"\n", (s64) ip);
328 /*
329 * It seems the callchain is corrupted.
330 * Discard all.
331 */
332 callchain_cursor_reset(&callchain_cursor);
333 return 0;
322 } 334 }
323 continue; 335 continue;
324 } 336 }