Brad Bishop | c68388fc | 2019-08-26 01:33:31 -0400 | [diff] [blame^] | 1 | From 156776a3e29491b363fdc9811912e1298655d060 Mon Sep 17 00:00:00 2001 |
| 2 | From: Steven Price <steven.price@arm.com> |
| 3 | Date: Fri, 19 Jul 2019 13:48:17 +0100 |
| 4 | Subject: [PATCH] ustat02: Fix EFAULT in 32bit compatibility mode |
| 5 | |
| 6 | The size of dev_t is larger than 32 bits which causes the dev argument |
| 7 | to be passed incorrectly. On Arm this means that the EFAULT test case |
| 8 | actually returns EINVAL because the device number isn't recognised. |
| 9 | |
| 10 | Signed-off-by: Steven Price <steven.price@arm.com> |
| 11 | Acked-by: Li Wang <liwang@redhat.com> |
| 12 | |
| 13 | Upstream-Status: Backport |
| 14 | [https://github.com/linux-test-project/ltp/commit/156776a3e29491b363fdc9811912e1298655d060] |
| 15 | |
| 16 | Signed-off-by: He Zhe <zhe.he@windriver.com> |
| 17 | --- |
| 18 | testcases/kernel/syscalls/ustat/ustat02.c | 2 +- |
| 19 | 1 file changed, 1 insertion(+), 1 deletion(-) |
| 20 | |
| 21 | diff --git a/testcases/kernel/syscalls/ustat/ustat02.c b/testcases/kernel/syscalls/ustat/ustat02.c |
| 22 | index 9bbe4f3..1a0e9e0 100644 |
| 23 | --- a/testcases/kernel/syscalls/ustat/ustat02.c |
| 24 | +++ b/testcases/kernel/syscalls/ustat/ustat02.c |
| 25 | @@ -36,7 +36,7 @@ int TST_TOTAL = ARRAY_SIZE(tc); |
| 26 | |
| 27 | void run(unsigned int test) |
| 28 | { |
| 29 | - TEST(tst_syscall(__NR_ustat, *tc[test].dev, tc[test].buf)); |
| 30 | + TEST(tst_syscall(__NR_ustat, (unsigned int)*tc[test].dev, tc[test].buf)); |
| 31 | |
| 32 | if ((TST_RET == -1) && (TST_ERR == tc[test].exp_errno)) |
| 33 | tst_res(TPASS | TTERRNO, "ustat(2) expected failure"); |
| 34 | -- |
| 35 | 2.7.4 |
| 36 | |