Commit e9b52ef2 authored Aug 12, 2011 by Vasiliy Kulikov Committed by Arnaldo Carvalho de Melo Aug 12, 2011

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 <penberg@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20110811205537.GA22864@albatros


Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent f57b05ed

tools/perf/util/symbol.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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())) {