Test

d-e-s-o · Oct 8, 2024 · 431b040 · 431b040
1 parent f0b4c54
commit 431b040
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/tests/blazesym.rs b/tests/blazesym.rs
@@ -1400,5 +1400,5 @@ fn symbolize_bpf_program() {
     };
     let result = with_ringbuffer(&map, action);
 
-    assert_eq!(result, 1);
+    assert_eq!(result, 0);
 }
diff --git a/tests/bpf/src/getpid.bpf.c b/tests/bpf/src/getpid.bpf.c
@@ -8,18 +8,27 @@ struct {
     __uint(max_entries, 4096 /* one page */);
 } ringbuf SEC(".maps");
 
+u64 get_ip(void) {
+    u64 ip;
+    asm volatile(
+        "lea %0, [rip]"
+        : "=r"(ip)
+    );
+    return ip;
+}
+
 SEC("tracepoint/syscalls/sys_enter_getpid")
 int handle__getpid(void *ctx)
 {
     u64 *value;
 
-    value = bpf_ringbuf_reserve(&ringbuf, sizeof(u64), 0);
+    value = bpf_ringbuf_reserve(&ringbuf, sizeof(*value), 0);
     if (!value) {
         bpf_printk("handle__getpid: failed to reserve ring buffer space");
         return 1;
     }
 
-    *value = 1;
+    *value = (u64)handle__getpid;
     bpf_ringbuf_submit(value, 0);
     bpf_printk("handle__getpid: submitted ringbuf value");
     return 0;