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[v14,01/12] bpf: Allow kfuncs to be used in LSM programs

Message ID 20220830161716.754078-2-roberto.sassu@huaweicloud.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series bpf: Add kfuncs for PKCS#7 signature verification | expand

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Commit Message

Roberto Sassu Aug. 30, 2022, 4:17 p.m. UTC 
From: KP Singh <kpsingh@kernel.org>

In preparation for the addition of new kfuncs, allow kfuncs defined in the
tracing subsystem to be used in LSM programs by mapping the LSM program
type to the TRACING hook.

Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
---
 kernel/bpf/btf.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 903719b89238..e49b3b6d48ad 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -7243,6 +7243,7 @@  static int bpf_prog_type_to_kfunc_hook(enum bpf_prog_type prog_type)
 	case BPF_PROG_TYPE_STRUCT_OPS:
 		return BTF_KFUNC_HOOK_STRUCT_OPS;
 	case BPF_PROG_TYPE_TRACING:
+	case BPF_PROG_TYPE_LSM:
 		return BTF_KFUNC_HOOK_TRACING;
 	case BPF_PROG_TYPE_SYSCALL:
 		return BTF_KFUNC_HOOK_SYSCALL;