diff options
Diffstat (limited to 'tools/perf/util/session.c')
-rw-r--r-- | tools/perf/util/session.c | 14 |
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 | } |