tools/capable: Set data to zero before setting fields.

This commit ensures data contains all 0 before setting its fields. So, even if some fields are not set, there should be no problem with unaligned access. Signed-off-by: Francis Laniel <[email protected]>
nanshuaibo · Oct 12, 2021 · 46a2afd · 46a2afd
1 parent 0659577
commit 46a2afd
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/tools/capable.py b/tools/capable.py
@@ -182,7 +182,15 @@ def __getattr__(self, name):
  }
 
  u32 uid = bpf_get_current_uid_gid();
- struct data_t data = {.tgid = tgid, .pid = pid, .uid = uid, .cap = cap, .audit = audit, .insetid = insetid};
+
+ struct data_t data = {};
+
+ data.tgid = tgid;
+ data.pid = pid;
+ data.uid = uid;
+ data.cap = cap;
+ data.audit = audit;
+ data.insetid = insetid;
 #ifdef KERNEL_STACKS
  data.kernel_stack_id = stacks.get_stackid(ctx, 0);
 #endif