Hi, I have a VPN service running net/ocserv 0.12.4_1. Everything is ok until the first client disconnects. The main ocserv process hangs while destroying the tun interface, waiting indefinitely on "tun_cond".
I ran an ocserv executable containing debug symbols through gdb and I had a breakpoint on the call to ioctl(fd, SIOCIFDESTROY, &ifr), at tun.c:770 of net/ocserv. The call to ioctl() has apparently a valid file descriptor, fd, and the fields of ifr are all zero, save the ifr_name field which contains "vpns0" and is properly null terminated. On the first attempt, I let the code run its course and had to reboot to recover. On the second attempt, I killed the ocserv process from within gdb. I ran "ifconfig vpns0 destroy" myself, and ifconfig froze immediately. Rebooting is the only way to recover. Reverting to stable/12 r345045 makes ocserv serve the clients again. My guess is that one or more of r345285, r347378, and/or r348124, all related to sys/net/if_tun.c, are to blame. Can someone verify my claims? See also: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238500 https://gitlab.com/openconnect/ocserv/issues/213 -- Trond. _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
