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| author | Dmitry Vyukov <dvyukov@google.com> | 2024-05-06 08:33:51 +0200 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2024-05-06 11:24:51 +0000 |
| commit | 441f4fcc08ae33f36e5a15a9dd5abde3f0797921 (patch) | |
| tree | b85c0f6661d52d537e6e39b2791f0d7022390fec /prog/clone.go | |
| parent | 69f2eab004cdc5bce339d5359dcf234698153dc7 (diff) | |
prog: fix validation of DataMmapProg
Allow to serialize/deserialize DataMmapProg
and fix validation in debug mode.
Fixes #4750
Diffstat (limited to 'prog/clone.go')
| -rw-r--r-- | prog/clone.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/prog/clone.go b/prog/clone.go index 6ec28e39e..d41f3c13c 100644 --- a/prog/clone.go +++ b/prog/clone.go @@ -12,6 +12,14 @@ func (p *Prog) Clone() *Prog { } func (p *Prog) cloneWithMap(newargs map[*ResultArg]*ResultArg) *Prog { + if p.isUnsafe { + // We could clone it, but since we prohibit mutation + // of unsafe programs, it's unclear why we would clone it. + // Note: this also covers cloning of corpus programs + // during mutation, so if this is removed, we may need + // additional checks during mutation. + panic("cloning of unsafe programs is not supposed to be done") + } p1 := &Prog{ Target: p.Target, Calls: cloneCalls(p.Calls, newargs), |