The issue is described here https://github.com/openssh/openssh-portable/pull/149 Applying the patch fixed it. It is also mentioned here: https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1704411.html https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1704407.html I had this issue when running Linux 3.14.35 but not with newer kernels. Reproducible: Always
*** This bug has been marked as a duplicate of bug 696950 ***