perf: fix temporary file ownership check

A file in /tmp/ might be a symlink, so lstat() should be used instead of stat(). Acked-by: Pekka Enberg <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Pekka Enberg <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/20110811205537.GA22864@albatros Signed-off-by: Vasiliy Kulikov <[email protected]> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
nemunaire · Aug 12, 2011 · e9b52ef · e9b52ef
1 parent f57b05e
commit e9b52ef
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
@@ -1506,7 +1506,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter)
 	if (strncmp(dso->name, "/tmp/perf-", 10) == 0) {
 		struct stat st;
 
-		if (stat(dso->name, &st) < 0)
+		if (lstat(dso->name, &st) < 0)
 			return -1;
 
 		if (st.st_uid && (st.st_uid != geteuid())) {