[release-branch.go1.22] go/parser: track depth in nested element lists
Prevents stack exhaustion with extremely deeply nested literal values,
i.e. field values in structs.
Updates #69138
Fixes #69142
Fixes CVE-2024-34155
Change-Id: I2e8e33b44105cc169d7ed1ae83fb56df0c10f1ee
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1520
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
(cherry picked from commit
eb1b038c0d01761694e7a735ef87ac9164c6568e)
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1561
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/611181
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>