diff options
Diffstat (limited to 'tools/perf/util/annotate.c')
| -rw-r--r-- | tools/perf/util/annotate.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index a7221f9fa504..f0c6941bca6c 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -701,13 +701,17 @@ int symbol__alloc_hist(struct symbol *sym) sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); /* Check for overflow in zalloc argument */ - if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) - / symbol_conf.nr_events) + if (sizeof_sym_hist > SIZE_MAX / symbol_conf.nr_events) return -1; - notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); + notes->src = zalloc(sizeof(*notes->src)); if (notes->src == NULL) return -1; + notes->src->histograms = calloc(symbol_conf.nr_events, sizeof_sym_hist); + if (notes->src->histograms == NULL) { + zfree(¬es->src); + return -1; + } notes->src->sizeof_sym_hist = sizeof_sym_hist; notes->src->nr_histograms = symbol_conf.nr_events; INIT_LIST_HEAD(¬es->src->source); |