| Message ID | 20180319211340.83921-1-sspatil@google.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | syscalls/mprotect01: map /dev/zero instead of /etc/passwd | expand |
diff --git a/testcases/kernel/syscalls/mprotect/mprotect01.c b/testcases/kernel/syscalls/mprotect/mprotect01.c index 7c4f10e02..be4d982ea 100644 --- a/testcases/kernel/syscalls/mprotect/mprotect01.c +++ b/testcases/kernel/syscalls/mprotect/mprotect01.c @@ -137,8 +137,8 @@ static void setup2(struct test_case *self) static void setup3(struct test_case *self) { - fd = SAFE_OPEN(cleanup, "/etc/passwd", O_RDONLY); - + fd = SAFE_OPEN(cleanup, "/dev/zero", O_RDONLY); + self->len = getpagesize(); /*
The test creates a read-only map for /etc/passwd to test against errors returned by mprotect with PROT_WRITE. This doesn't work in Android systems (no /etc/passwd) More portable solution is to replace /etc/passwd with /dev/zero instead. That fixes the problem for Android systems Signed-off-by: Sandeep Patil <sspatil@google.com> --- testcases/kernel/syscalls/mprotect/mprotect01.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)