diff options
| author | Neal Patel <nealpatel@google.com> | 2026-01-06 16:09:19 -0500 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-01-28 12:31:52 -0800 |
| commit | b19100991ac6d096e67cead47392049c178fd5ab (patch) | |
| tree | 0eb63c231e796d4b78d17ec70110082ba326b2ad | |
| parent | 738bc3a33c115e3ca48793117047390b3fe37392 (diff) | |
| download | go-b19100991ac6d096e67cead47392049c178fd5ab.tar.xz | |
[release-branch.go1.25] cmd/go: remove user-content from doc strings in cgo ASTs.
Thank you to RyotaK (https://ryotak.net) of GMO Flatt Security Inc. for reporting this issue.
Updates #76697
Fixes #77129
Fixes CVE-2025-61732
Change-Id: I9ecbef556f6e545fb152407041cd086c069f22d1
Reviewed-on: https://go-review.googlesource.com/c/go/+/740040
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
| -rw-r--r-- | src/cmd/cgo/ast.go | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/src/cmd/cgo/ast.go b/src/cmd/cgo/ast.go index 861479db7a..11f5831ccd 100644 --- a/src/cmd/cgo/ast.go +++ b/src/cmd/cgo/ast.go @@ -301,17 +301,12 @@ func (f *File) saveExport(x interface{}, context astContext) { error_(c.Pos(), "export comment has wrong name %q, want %q", name, n.Name.Name) } - doc := "" - for _, c1 := range n.Doc.List { - if c1 != c { - doc += c1.Text + "\n" - } - } - f.ExpFunc = append(f.ExpFunc, &ExpFunc{ Func: n, ExpName: name, - Doc: doc, + // Caution: Do not set the Doc field on purpose + // to ensure that there are no unintended artifacts + // in the binary. See https://go.dev/issue/76697. }) break } |