On Sat, 30 Mar 2019, Adam Eijdenberg wrote: > On Fri, Mar 29, 2019 at 10:31 PM Damien Miller <djm@xxxxxxxxxxx> wrote: > > Thanks for testing - are you able to see if there's anything in > > the server logs? > > I looked in /var/log/secure or /var/log/messages and just saw the 2 lines below: > > Mar 29 20:57:17 ip-10-12-0-116 sshd[14315]: Accepted publickey for > ec2-user from xxx ssh2: RSA-CERT ID xxx (for xxx) (serial xxx) CA RSA > SHA256:QtxnpSvhjow+Z68+z5VMnNGitHHc+nkoDMiJM0C+JtM > Mar 29 20:57:17 ip-10-12-0-116 sshd[14315]: pam_unix(sshd:session): > session opened for user ec2-user by (uid=0) > > > I've just committed some extra verbosity in the client's log messages that > > might clarify where it is exiting (patch attached). > > For some reason I couldn't get the patch to apply cleanly over the > snapshot, so manually applied the lines and ended up with the > following output: > > (skipped all the pre-authentication logging) > debug1: Authentication succeeded (publickey). > Authenticated to xxx > debug1: channel 0: new [client-session] > debug3: ssh_session2_open: channel_new: 0 > debug2: channel 0: send open > debug3: send packet: type 90 > debug1: Requesting no-more-sessions@xxxxxxxxxxx > debug3: send packet: type 80 > debug1: Entering interactive session. > debug1: pledge: network > debug3: receive packet: type 80 > debug1: client_input_global_request: rtype hostkeys-00@xxxxxxxxxxx want_reply 0 > debug3: receive packet: type 91 > debug2: channel_input_open_confirmation: channel 0: callback start > debug2: fd 3 setting TCP_NODELAY > debug3: ssh_packet_set_tos: set IP_TOS 0x48 > debug2: client_session2_setup: id 0 > debug2: channel 0: request pty-req confirm 1 > debug3: send packet: type 98 > debug2: channel 0: request shell confirm 1 > debug3: send packet: type 98 > debug2: channel_input_open_confirmation: channel 0: callback done > debug2: channel 0: open confirm rwindow 0 rmax 32768 > debug3: send packet: type 1 > client_loop: send disconnect: Broken pipe It looks like the server hung up unexpectedly. Could you try running the server in debug mode (sshd -ddd) and capturing its output? Also, just to confirm - is the server running HEAD or some other version? Thanks for helping debug this. -d _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
