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authorPu Lehui <pulehui@huawei.com>2022-11-08 20:19:45 +0800
committerMartin KaFai Lau <martin.lau@kernel.org>2022-11-09 12:23:25 -0800
commit0811664da064c6d7ca64c02f5579f758a007e52d (patch)
tree4bf77529e25174d766661b6a90366a18ed1e32ce /tools
parenteb86559a691cea5fa63e57a03ec3dc9c31e97955 (diff)
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 <pulehui@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/r/20221108121945.4104644-1-pulehui@huaweicloud.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c2
1 files changed, 1 insertions, 1 deletions
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;