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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>
This commit is contained in:
Vasiliy Kulikov 2011-08-12 00:55:37 +04:00 committed by Arnaldo Carvalho de Melo
parent f57b05ed53
commit e9b52ef222
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/symbol.c
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@ -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())) {