diff options
| author | Aleksandr Nogikh <nogikh@google.com> | 2024-03-06 14:47:02 +0100 |
|---|---|---|
| committer | Aleksandr Nogikh <nogikh@google.com> | 2024-03-08 10:56:47 +0000 |
| commit | 4097c8d7a8596ddbc9a9db7b7f39c5cbdb1bd742 (patch) | |
| tree | 453b39ea237785218a551d24d6c474db317aa951 /prog/clone.go | |
| parent | 6387f6b7d487e2a77d753ad28c1074e39c17c3ca (diff) | |
sys/linux: clone args before mutation
Not cloning the argument results in replaceArg() replacing a union
argument with itself, which may lead to inconsistent resource
references.
Add an assertion to detect such cases in the future.
Diffstat (limited to 'prog/clone.go')
| -rw-r--r-- | prog/clone.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/prog/clone.go b/prog/clone.go index 029cf94c4..4523be0eb 100644 --- a/prog/clone.go +++ b/prog/clone.go @@ -39,6 +39,10 @@ func cloneCall(c *Call, newargs map[*ResultArg]*ResultArg) *Call { return c1 } +func CloneArg(arg Arg) Arg { + return clone(arg, nil) +} + func clone(arg Arg, newargs map[*ResultArg]*ResultArg) Arg { var arg1 Arg switch a := arg.(type) { |