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selftests: ntsync: add wait argument validation tests

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Add coverage for documented EINVAL cases: zero owner on wait any/all,
non-zero pad, and objects from a different /dev/ntsync instance.

Signed-off-by: Iván Ezequiel Rodriguez <ivanrwcm25@gmail.com>
Reviewed-by: Elizabeth Figura <zfigura@codeweavers.com>
Signed-off-by: Elizabeth Figura <zfigura@codeweavers.com>
Link: https://patch.msgid.link/20260723201301.11826-3-zfigura@codeweavers.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Iván Ezequiel Rodriguez
2026-07-23 15:12:58 -05:00
committed by Greg Kroah-Hartman
parent 16dc8c8683
commit 1d076f7524
1 changed files with 44 additions and 0 deletions
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44
tools/testing/selftests/drivers/ntsync/ntsync.c
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@@ -1340,4 +1340,48 @@ TEST(stress_wait)
close(stress_device);
}
TEST(wait_args_validation)
{
struct ntsync_sem_args sem_args = { .count = 1, .max = 1 };
struct ntsync_wait_args wait_args = {0};
struct timespec timeout;
int fd, fd2, sem, ret;
__u32 index;
fd = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
ASSERT_GE(fd, 0);
fd2 = open("/dev/ntsync", O_CLOEXEC | O_RDONLY);
ASSERT_GE(fd2, 0);
sem = ioctl(fd, NTSYNC_IOC_CREATE_SEM, &sem_args);
EXPECT_GE(sem, 0);
ret = wait_any(fd, 1, &sem, 0, &index);
EXPECT_EQ(-1, ret);
EXPECT_EQ(EINVAL, errno);
ret = wait_all(fd, 1, &sem, 0, &index);
EXPECT_EQ(-1, ret);
EXPECT_EQ(EINVAL, errno);
clock_gettime(CLOCK_MONOTONIC, &timeout);
wait_args.timeout = timeout.tv_sec * 1000000000ULL + timeout.tv_nsec;
wait_args.count = 0;
wait_args.objs = 0;
wait_args.owner = 123;
wait_args.pad = 1;
ret = ioctl(fd, NTSYNC_IOC_WAIT_ANY, &wait_args);
EXPECT_EQ(-1, ret);
EXPECT_EQ(EINVAL, errno);
ret = wait_any(fd2, 1, &sem, 123, &index);
EXPECT_EQ(-1, ret);
EXPECT_EQ(EINVAL, errno);
close(sem);
close(fd2);
close(fd);
}
TEST_HARNESS_MAIN