Don't attempt to capture stack usage for inner most bpf2bpf call (#479)

Signed-off-by: Alan Jowett <[email protected]> Co-authored-by: Alan Jowett <[email protected]>
iovisor · May 20, 2024 · a299839 · a299839
1 parent d5059c4
commit a299839
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/vm/ubpf_vm.c b/vm/ubpf_vm.c
@@ -425,7 +425,7 @@ ubpf_exec_ex(
             goto cleanup;
         }
 
-        if (pc == 0 || vm->int_funcs[pc]) {
+        if ((pc == 0 || vm->int_funcs[pc]) && stack_frame_index < UBPF_MAX_CALL_DEPTH) {
             stack_frames[stack_frame_index].stack_usage = ubpf_stack_usage_for_local_func(vm, pc);
         }