From 0811664da064c6d7ca64c02f5579f758a007e52d Mon Sep 17 00:00:00 2001 From: Pu Lehui Date: Tue, 8 Nov 2022 20:19:45 +0800 Subject: [PATCH] selftests/bpf: Fix casting error when cross-compiling test_verifier for 32-bit platforms When cross-compiling test_verifier for 32-bit platforms, the casting error is shown below: test_verifier.c:1263:27: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] 1263 | info.xlated_prog_insns = (__u64)*buf; | ^ cc1: all warnings being treated as errors Fix it by adding zero-extension for it. Fixes: 933ff53191eb ("selftests/bpf: specify expected instructions in test_verifier tests") Signed-off-by: Pu Lehui Acked-by: Yonghong Song Link: https://lore.kernel.org/r/20221108121945.4104644-1-pulehui@huaweicloud.com Signed-off-by: Martin KaFai Lau --- tools/testing/selftests/bpf/test_verifier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 2dbcbf363c18..b605a70d4f6b 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -1260,7 +1260,7 @@ static int get_xlated_program(int fd_prog, struct bpf_insn **buf, int *cnt) bzero(&info, sizeof(info)); info.xlated_prog_len = xlated_prog_len; - info.xlated_prog_insns = (__u64)*buf; + info.xlated_prog_insns = (__u64)(unsigned long)*buf; if (bpf_obj_get_info_by_fd(fd_prog, &info, &info_len)) { perror("second bpf_obj_get_info_by_fd failed"); goto out_free_buf; -- 2.11.0