syscall: fix sycall.ptrace cause nosplit stack over 792 byte limit

[cuiweixie]

Fixes #54291

[gopherbot]

This PR (HEAD: 22ac670) has been imported to Gerrit for code review.

Please visit https://go-review.googlesource.com/c/go/+/421954 to see it.

Tip: You can toggle comments from me using the comments slash command (e.g. /comments off)
See the Wiki page for more info

[gopherbot]

This PR (HEAD: 2a0bb09) has been imported to Gerrit for code review.

Please visit https://go-review.googlesource.com/c/go/+/421954 to see it.

Tip: You can toggle comments from me using the comments slash command (e.g. /comments off)
See the Wiki page for more info

[gopherbot]

This PR (HEAD: 0c56f86) has been imported to Gerrit for code review.

Please visit https://go-review.googlesource.com/c/go/+/421954 to see it.

Tip: You can toggle comments from me using the comments slash command (e.g. /comments off)
See the Wiki page for more info

[gopherbot]

Message from xie cui:

Patch Set 3:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/421954.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Cherry Mui:

Patch Set 3: Hold+1

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/421954.
After addressing review feedback, remember to publish your drafts!

[gopherbot]

Message from Cuong Manh Le:

Patch Set 3:

(1 comment)

---

Please don’t reply on this GitHub thread. Visit golang.org/cl/421954.
After addressing review feedback, remember to publish your drafts!