igt/gem_reloc_overflow: Fix limits for buffercount overflow

It's hard to overflow a 64-bit value from a 32-bit uabi...

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/gem_reloc_overflow.c b/tests/gem_reloc_overflow.c
index f9364b23..3419e94f 100644
--- a/tests/gem_reloc_overflow.c
+++ b/tests/gem_reloc_overflow.c
@@ -339,6 +339,8 @@ static void reloc_tests(const char *suffix)
 static void buffer_count_tests(void)
 {
 	igt_subtest("buffercount-overflow") {
+		igt_skip_on(SIZE_MAX / sizeof(*obj) >= UINT_MAX);
+
 		for (int i = 0; i < num; i++) {
 			obj[i].relocation_count = 0;
 			obj[i].relocs_ptr = 0;