[release-branch.go1.25] all: avoid unsafe StringToUTF16Ptr on Windows The syscall.UTF16PtrFromString function panics when provided with an input containing a NUL character. Replace with syscall.UTF16PtrFromString. Fixes potential panics in net.Dial, net.LookupPort, and syscall.Readlink. Fixes CVE-2026-39836 Updates #79006 Fixes #79028 Change-Id: I2fd7bb750d27474047f199faca4061466a6a6964 Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/4260 Reviewed-by: Nicholas Husin <husin@google.com> Reviewed-by: Neal Patel <nealpatel@google.com> Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/4441 Reviewed-by: Damien Neil <dneil@google.com> Reviewed-on: https://go-review.googlesource.com/c/go/+/775160 Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> Auto-Submit: Gopher Robot <gobot@golang.org> TryBot-Bypass: Gopher Robot <gobot@golang.org>
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