[LTP] [PATCH v2 2/2] read_all_sys: skip debugfs

[Jan Stancek]

debugfs is meant for debugging, it exposes also device registers
and can pretty much do anything:
  https://lore.kernel.org/linux-arm-kernel/1507592549.3785589.1570404050459.JavaMail.zimbra@redhat.com/
  https://lore.kernel.org/stable/2029139028.10333037.1572874551626.JavaMail.zimbra@redhat.com/

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 testcases/kernel/fs/read_all/read_all.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/testcases/kernel/fs/read_all/read_all.c b/testcases/kernel/fs/read_all/read_all.c
index 46f88af2270c..68fc7d031f80 100644
--- a/testcases/kernel/fs/read_all/read_all.c
+++ b/testcases/kernel/fs/read_all/read_all.c
@@ -83,6 +83,7 @@ static char *drop_privs;
 static char *blacklist[] = {
 	NULL, /* reserved for -e parameter */
 	"/sys/power/wakeup_count",
+	"/sys/kernel/debug/*",
 };
 
 static struct tst_option options[] = {
-- 
1.8.3.1