openssh: Default to not using sandbox when cross compiling

backport a patch to fix sandboxing issues seen on ppc32 and also on
riscv32 [1]

[1] https://bugzilla.mindrot.org/show_bug.cgi?id=3398

(From OE-Core rev: 90895a627be5e8a4e4943fa9195b5553416086d3)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/openssh/openssh/0001-Default-to-not-using-sandbox-when-cross-compiling.patch b/meta/recipes-connectivity/openssh/openssh/0001-Default-to-not-using-sandbox-when-cross-compiling.patch
new file mode 100644
index 0000000000..0241c290ac
--- /dev/null
+++ b/meta/recipes-connectivity/openssh/openssh/0001-Default-to-not-using-sandbox-when-cross-compiling.patch
@@ -0,0 +1,33 @@
+From 56194e9a6043873b0ec84f9d15c6e4caca2580c8 Mon Sep 17 00:00:00 2001
+From: Darren Tucker <dtucker@dtucker.net>
+Date: Tue, 8 Mar 2022 20:04:06 +1100
+Subject: [PATCH] Default to not using sandbox when cross compiling.
+
+On most systems poll(2) does not work when the number of FDs is reduced
+with setrlimit, so assume it doesn't when cross compiling and we can't
+run the test.  bz#3398.
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Upstream-Status: Backport [https://anongit.mindrot.org/openssh.git/patch/?id=8cf5275452a950869cb90eeac7d220b01f77b12e]
+---
+ configure.ac | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 17fb1e6..a165d08 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -3574,8 +3574,8 @@ AC_RUN_IFELSE(
+         select_works_with_rlimit=yes],
+        [AC_MSG_RESULT([no])
+         select_works_with_rlimit=no],
+-       [AC_MSG_WARN([cross compiling: assuming yes])
+-        select_works_with_rlimit=yes]
++       [AC_MSG_WARN([cross compiling: assuming no])
++        select_works_with_rlimit=no]
+ )
+ 
+ AC_CHECK_MEMBERS([struct pollfd.fd], [], [], [[
+-- 
+2.35.1
+