Hi, I noticed that the channel mux_ctx leak reported in May 2020 is back. https://marc.info/?l=openssh-unix-dev&m=159001768606068 The reproducer from the previous thread should work. Otherwise here are my scripts: https://github.com/moritzbuhl/ssh-leak mbuhl Index: channels.c =================================================================== RCS file: /mount/openbsd/cvs/src/usr.bin/ssh/channels.c,v retrieving revision 1.407 diff -u -p -r1.407 channels.c --- channels.c 19 May 2021 01:24:05 -0000 1.407 +++ channels.c 1 Sep 2021 11:17:00 -0000 @@ -619,9 +619,11 @@ channel_free(struct ssh *ssh, Channel *c debug("channel %d: free: %s, nchannels %u", c->self, c->remote_name ? c->remote_name : "???", n); - if (c->type == SSH_CHANNEL_MUX_CLIENT) + if (c->type == SSH_CHANNEL_MUX_CLIENT) { mux_remove_remote_forwardings(ssh, c); - else if (c->type == SSH_CHANNEL_MUX_LISTENER) { + free(c->mux_ctx); + c->mux_ctx = NULL; + } else if (c->type == SSH_CHANNEL_MUX_LISTENER) { free(c->mux_ctx); c->mux_ctx = NULL; } _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev
