diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 9d126d7fabdb..313bb0cbfb1e 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -955,7 +955,7 @@ TEST(ERRNO_valid) ASSERT_EQ(0, ret); EXPECT_EQ(parent, syscall(__NR_getppid)); - EXPECT_EQ(-1, read(0, NULL, 0)); + EXPECT_EQ(-1, read(-1, NULL, 0)); EXPECT_EQ(E2BIG, errno); } @@ -974,7 +974,7 @@ TEST(ERRNO_zero) EXPECT_EQ(parent, syscall(__NR_getppid)); /* "errno" of 0 is ok. */ - EXPECT_EQ(0, read(0, NULL, 0)); + EXPECT_EQ(0, read(-1, NULL, 0)); } /* @@ -995,7 +995,7 @@ TEST(ERRNO_capped) ASSERT_EQ(0, ret); EXPECT_EQ(parent, syscall(__NR_getppid)); - EXPECT_EQ(-1, read(0, NULL, 0)); + EXPECT_EQ(-1, read(-1, NULL, 0)); EXPECT_EQ(4095, errno); } @@ -1026,7 +1026,7 @@ TEST(ERRNO_order) ASSERT_EQ(0, ret); EXPECT_EQ(parent, syscall(__NR_getppid)); - EXPECT_EQ(-1, read(0, NULL, 0)); + EXPECT_EQ(-1, read(-1, NULL, 0)); EXPECT_EQ(12, errno); } @@ -2623,7 +2623,7 @@ void *tsync_sibling(void *data) ret = prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0); if (!ret) return (void *)SIBLING_EXIT_NEWPRIVS; - read(0, NULL, 0); + read(-1, NULL, 0); return (void *)SIBLING_EXIT_UNKILLED; }