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| author | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2025-07-29 18:45:23 +0700 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-08-05 08:28:50 -0700 |
| commit | 5ab9f23977694ab87614fd30e081d294eb313efd (patch) | |
| tree | 3702479ac75143397f09baa0c3fcdfa63231f146 /src/runtime/testdata | |
| parent | fcc036f03b07e58f76ed94bc9a9483ddef96f81c (diff) | |
| download | go-5ab9f23977694ab87614fd30e081d294eb313efd.tar.xz | |
cmd/compile, runtime: add checkptr instrumentation for unsafe.Add
Fixes #74431
Change-Id: Id651ea0b82599ccaff8816af0a56ddbb149b6f89
Reviewed-on: https://go-review.googlesource.com/c/go/+/692015
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: t hepudds <thepudds1460@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Diffstat (limited to 'src/runtime/testdata')
| -rw-r--r-- | src/runtime/testdata/testprog/checkptr.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprog/checkptr.go b/src/runtime/testdata/testprog/checkptr.go index 60e71e66d7..ff99fa8c7b 100644 --- a/src/runtime/testdata/testprog/checkptr.go +++ b/src/runtime/testdata/testprog/checkptr.go @@ -16,6 +16,7 @@ func init() { register("CheckPtrAlignmentNilPtr", CheckPtrAlignmentNilPtr) register("CheckPtrArithmetic", CheckPtrArithmetic) register("CheckPtrArithmetic2", CheckPtrArithmetic2) + register("CheckPtrArithmeticUnsafeAdd", CheckPtrArithmeticUnsafeAdd) register("CheckPtrSize", CheckPtrSize) register("CheckPtrSmall", CheckPtrSmall) register("CheckPtrSliceOK", CheckPtrSliceOK) @@ -79,6 +80,11 @@ func CheckPtrArithmetic2() { sink2 = unsafe.Pointer(uintptr(p) & ^one) } +func CheckPtrArithmeticUnsafeAdd() { + data := make([]byte, 128) + sink2 = (*byte)(unsafe.Add(unsafe.Pointer(unsafe.SliceData(data)), len(data))) +} + func CheckPtrSize() { p := new(int64) sink2 = p |