[release-branch.go1.17] path/filepath: fix stack exhaustion in Glob
A limit is added to the number of path separators allowed by an input to
Glob, to prevent stack exhaustion issues.
Thanks to Juho Nurminen of Mattermost who reported the issue.
Fixes #53713
Updates #53416
Fixes CVE-2022-30632
Change-Id: I1b9fd4faa85411a05dbc91dceae1c0c8eb021f07
Reviewed-on: https://team-review.git.corp.google.com/c/golang/go-private/+/
1498176
Reviewed-by: Roland Shoemaker <bracewell@google.com>
(cherry picked from commit
d182a6d1217fd0d04c9babfa9a7ccd3515435c39)
Reviewed-on: https://go-review.googlesource.com/c/go/+/417073
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Knyszek <mknyszek@google.com>