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authorHou Tao <houtao1@huawei.com>2022-12-17 14:21:44 +0800
committerDaniel Borkmann <daniel@iogearbox.net>2022-12-19 22:02:17 +0100
commitcc074822465d18a2d39e0b3e2b48b6766a568db2 (patch)
tree5893648c906da5bdd029c045ea6de5d7d926edf6 /kernel/bpf/bpf_lsm.c
parent2856a62762c8409e360d4fd452194c8e57ba1058 (diff)
bpf: Define sock security related BTF IDs under CONFIG_SECURITY_NETWORK
There are warnings reported from resolve_btfids when building vmlinux with CONFIG_SECURITY_NETWORK disabled: WARN: resolve_btfids: unresolved symbol bpf_lsm_sk_free_security WARN: resolve_btfids: unresolved symbol bpf_lsm_sk_alloc_security So only define BTF IDs for these LSM hooks when CONFIG_SECURITY_NETWORK is enabled. Fixes: c0c852dd1876 ("bpf: Do not mark certain LSM hook arguments as trusted") Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20221217062144.2507222-1-houtao@huaweicloud.com
Diffstat (limited to 'kernel/bpf/bpf_lsm.c')
-rw-r--r--kernel/bpf/bpf_lsm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
index 9ea42a45da47..a4a41ee3e80b 100644
--- a/kernel/bpf/bpf_lsm.c
+++ b/kernel/bpf/bpf_lsm.c
@@ -351,8 +351,10 @@ BTF_ID(func, bpf_lsm_bpf_prog_alloc_security)
BTF_ID(func, bpf_lsm_bpf_prog_free_security)
BTF_ID(func, bpf_lsm_file_alloc_security)
BTF_ID(func, bpf_lsm_file_free_security)
+#ifdef CONFIG_SECURITY_NETWORK
BTF_ID(func, bpf_lsm_sk_alloc_security)
BTF_ID(func, bpf_lsm_sk_free_security)
+#endif /* CONFIG_SECURITY_NETWORK */
BTF_ID(func, bpf_lsm_task_free)
BTF_SET_END(untrusted_lsm_hooks)