Signed-off-by: David Ahern <dsah...@gmail.com>
Cc: Arnaldo Carvalho de Melo <a...@ghostprotocols.net>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Peter Zijlstra <pet...@infradead.org>
---
tools/perf/util/symbol.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 6802ef4..968de79 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -2825,6 +2825,7 @@ int machines__create_guest_kernel_maps(struct rb_root
*machines)
int i, items = 0;
char path[PATH_MAX];
pid_t pid;
+ char *endp;
if (symbol_conf.default_guest_vmlinux_name ||
symbol_conf.default_guest_modules ||
@@ -2841,7 +2842,14 @@ int machines__create_guest_kernel_maps(struct rb_root
*machines)
/* Filter out . and .. */
continue;
}
- pid = atoi(namelist[i]->d_name);
+ pid = (pid_t) strtol(namelist[i]->d_name, &endp, 10);
+ if ((*endp != '\0') ||
+ (endp == namelist[i]->d_name) ||
+ (errno == ERANGE)) {
+ pr_debug("invalid directory (%s). Skipping.\n",
+ namelist[i]->d_name);
+ continue;
+ }
sprintf(path, "%s/%s/proc/kallsyms",
symbol_conf.guestmount,
namelist[i]->d_name);
--
1.7.10.1
--
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