1 files changed, 19 insertions, 0 deletions
diff --git a/sys/linux/test/btf_id b/sys/linux/test/btf_id
new file mode 100644
index 000000000..88c5a7cc9
--- /dev/null
+++ b/sys/linux/test/btf_id
@@ -0,0 +1,19 @@
+# Query the btf_id of the hook name.
+
+r0 = syz_btf_id_by_name$bpf_lsm(&AUTO='bpf_lsm_path_mkdir\x00')
+
+# Load the bpf program.
+
+r1 = bpf$BPF_LSM_PROG_LOAD(0x5, &AUTO={0x1d, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, [], {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x1b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r0, 0x0}, 0x78)
+
+# Attach the bpf program to the lsm hook.
+
+r2 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &AUTO={0x0, r1}, 0x10)
+
+# Run again to test that memorization works.
+
+r3 = syz_btf_id_by_name$bpf_lsm(&AUTO='bpf_lsm_path_mkdir\x00')
+
+r4 = bpf$BPF_LSM_PROG_LOAD(0x5, &AUTO={0x1d, AUTO, &AUTO=@framed={{AUTO, AUTO, AUTO, AUTO, 0x0, AUTO, AUTO, AUTO, 0x0}, [], {AUTO, AUTO, AUTO, AUTO}}, &AUTO='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x0, 0x1b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r3, 0x0}, 0x78)
+
+r5 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &AUTO={0x0, r4}, 0x10)