| From b909805b4fc1b72e0ce299afb4abc02720ee81da Mon Sep 17 00:00:00 2001 |
| From: Dengke Du <dengke.du@windriver.com> |
| Date: Wed, 12 Sep 2018 14:24:35 +0800 |
| Subject: [PATCH] mmap15: mips64 return EINVAL |
| |
| In mips64 kernel, system check the addr that passed to mmap: |
| |
| if (TASK_SIZE - len < addr) |
| return -EINVAL; |
| |
| Link: https://github.com/torvalds/linux/blob/master/arch/mips/mm/mmap.c#L71 |
| |
| Upstream-Status: Submitted [https://github.com/linux-test-project/ltp/pull/394] |
| |
| Signed-off-by: Dengke Du <dengke.du@windriver.com> |
| --- |
| testcases/kernel/syscalls/mmap/mmap15.c | 5 +++++ |
| 1 file changed, 5 insertions(+) |
| |
| diff --git a/testcases/kernel/syscalls/mmap/mmap15.c b/testcases/kernel/syscalls/mmap/mmap15.c |
| index eff27d6..a10b5c7 100644 |
| --- a/testcases/kernel/syscalls/mmap/mmap15.c |
| +++ b/testcases/kernel/syscalls/mmap/mmap15.c |
| @@ -81,9 +81,14 @@ int main(int ac, char **av) |
| } |
| |
| if (errno != ENOMEM) { |
| +#ifdef __mips__ |
| + tst_resm(TPASS | TERRNO, "mmap into high region " |
| + "failed as expected"); |
| +#else |
| tst_resm(TFAIL | TERRNO, "mmap into high region " |
| "failed unexpectedly - expect " |
| "errno=ENOMEM, got"); |
| +#endif |
| } else { |
| tst_resm(TPASS | TERRNO, "mmap into high region " |
| "failed as expected"); |
| -- |
| 2.7.4 |
| |