From: Namhyung Kim <namhy...@kernel.org> [ Upstream commit e62458e3940eb3dfb009481850e140fbee183b04 ]
The new string should have enough space for the original string and the back slashes IMHO. Fixes: fbc2844e84038ce3 ("perf vendor events: Use more flexible pattern matching for CPU identification for mapfile.csv") Signed-off-by: Namhyung Kim <namhy...@kernel.org> Reviewed-by: Ian Rogers <irog...@google.com> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Andi Kleen <a...@firstfloor.org> Cc: Jiri Olsa <jo...@redhat.com> Cc: John Garry <john.ga...@huawei.com> Cc: Kajol Jain <kj...@linux.ibm.com> Cc: Mark Rutland <mark.rutl...@arm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Cc: William Cohen <wco...@redhat.com> Link: http://lore.kernel.org/lkml/20200903152510.489233-1-namhy...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> Signed-off-by: Sasha Levin <sas...@kernel.org> --- tools/perf/pmu-events/jevents.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 99e3fd04a5cb3..d36ae65ae3330 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -137,7 +137,7 @@ static char *fixregex(char *s) return s; /* allocate space for a new string */ - fixed = (char *) malloc(len + 1); + fixed = (char *) malloc(len + esc_count + 1); if (!fixed) return NULL; -- 2.25.1