[PATCH 1/2] um: Set secure access mode for temporary file

[MickaÃl SalaÃn]

Replace the default insecure mode 0777 with 0700 for temporary file.

Prohibit other users to change the executable mapped code.

Signed-off-by: MickaÃl SalaÃn <mic@xxxxxxxxxxx>
---
 arch/um/os-Linux/mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 897e9ad..798aeb4 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -142,7 +142,7 @@ static int __init create_tmp_file(unsigned long long len)
 	if (fd < 0)
 		exit(1);
 
-	err = fchmod(fd, 0777);
+	err = fchmod(fd, 0700);
 	if (err < 0) {
 		perror("fchmod");
 		exit(1);
-- 
2.6.2

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