Package: network-manager Version: 1.10.2-3 Severity: important File: /usr/sbin/NetworkManager
Dear Maintainer, NetworkManager consistently segfaults when adding a tc filter rule for me. Backtrace and the example tc rules I'm trying to test out below. ------>8----8<----->8----8<------ $ sudo coredumpctl dump PID: 526 (NetworkManager) UID: 0 (root) GID: 0 (root) Signal: 11 (SEGV) Timestamp: Wed 2018-01-24 18:46:02 CET (4s ago) Command Line: /usr/sbin/NetworkManager --no-daemon Executable: /usr/sbin/NetworkManager Control Group: /system.slice/NetworkManager.service Unit: NetworkManager.service Slice: system.slice Boot ID: 4f7a28442cbe452d9b2e04a5dea264b6 Machine ID: 0ca30f1374c64ae99923a08d640084f1 Hostname: nyera Storage: /var/lib/systemd/coredump/core.NetworkManager.0.4f7a28442cbe452d9b2e04a5dea264b6.526.1516815962000000.lz4 Message: Process 526 (NetworkManager) of user 0 dumped core. Stack trace of thread 526: #0 0x00007f808eef0866 __GI___strlen_sse2 (libc.so.6) #1 0x000055f5d436d466 nm_hash_update_str (NetworkManager) #2 0x000055f5d437aa3e nmp_object_hash_update (NetworkManager) #3 0x000055f5d42f93b6 _dict_idx_objs_hash (NetworkManager) #4 0x00007f8090814644 g_hash_table_lookup (libglib-2.0.so.0) #5 0x000055f5d42f9d59 nm_dedup_multi_index_obj_intern (NetworkManager) #6 0x000055f5d42f9ee3 _add (NetworkManager) #7 0x000055f5d42fa297 nm_dedup_multi_index_add_full (NetworkManager) #8 0x000055f5d437acf1 _idxcache_update (NetworkManager) #9 0x000055f5d437d079 nmp_cache_update_netlink (NetworkManager) #10 0x000055f5d435bdbd event_valid_msg (NetworkManager) #11 0x000055f5d435d30d event_handler_read_netlink (NetworkManager) #12 0x000055f5d435e241 delayed_action_handle_READ_NETLINK (NetworkManager) #13 0x000055f5d435e471 event_handler (NetworkManager) #14 0x00007f8090825dd5 g_main_context_dispatch (libglib-2.0.so.0) #15 0x00007f80908261a0 n/a (libglib-2.0.so.0) #16 0x00007f80908264b2 g_main_loop_run (libglib-2.0.so.0) #17 0x000055f5d42be789 main (NetworkManager) #18 0x00007f808ee7bf2a __libc_start_main (libc.so.6) #19 0x000055f5d42bedea _start (NetworkManager) Stack trace of thread 545: #0 0x00007f808ef45e6b __GI___poll (libc.so.6) #1 0x00007f8090826119 n/a (libglib-2.0.so.0) #2 0x00007f809082622c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007f8090826271 n/a (libglib-2.0.so.0) #4 0x00007f809084d5f5 n/a (libglib-2.0.so.0) #5 0x00007f808f21851a start_thread (libpthread.so.0) #6 0x00007f808ef503ef __clone (libc.so.6) Stack trace of thread 547: #0 0x00007f808ef45e6b __GI___poll (libc.so.6) #1 0x00007f8090826119 n/a (libglib-2.0.so.0) #2 0x00007f80908264b2 g_main_loop_run (libglib-2.0.so.0) #3 0x00007f8091013ad6 n/a (libgio-2.0.so.0) #4 0x00007f809084d5f5 n/a (libglib-2.0.so.0) #5 0x00007f808f21851a start_thread (libpthread.so.0) #6 0x00007f808ef503ef __clone (libc.so.6) Refusing to dump core to tty (use shell redirection or specify --output). ------>8----8<----->8----8<------ export FOOPORT=53000 export FOOIP=1.2.3.4 export INTERFACE=eth0 # change to your actual interface name. tc qdisc add dev $INTERFACE root handle 1: htb default 10 tc class add dev $INTERFACE parent 1: classid 1:1 htb rate 1000mbit ceil 1000mbit # default leaf class tc class add dev $INTERFACE parent 1:1 classid 1:10 htb rate 1000mbit ceil 1000mbit # leaf class to be used for SF traffic limited to 5mbit tc class add dev $INTERFACE parent 1:1 classid 1:20 htb rate 5mbit ceil 5mbit # Put traffic going to Aurix on SF port number in 1:20 leaf class tc filter add dev $INTERFACE protocol ip parent 1:0 prio 0 u32 \ match ip dport ${FOOPORT} 0xffff \ match ip dst ${FOOIP}/32 \ flowid 1:20 ------>8----8<----->8----8<------ The segfault happens when running the last command (tc filter ...) which means my wifi connection goes down and all my network traffic is dead. Regards, Andreas Henriksson -- System Information: Debian Release: buster/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'unstable'), (1, 'experimental-debug'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.14.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages network-manager depends on: ii adduser 3.116 ii dbus 1.12.2-1 ii libaudit1 1:2.8.2-1 ii libbluetooth3 5.47-1+b1 ii libc6 2.26-5 ii libcurl3-gnutls 7.57.0-1 ii libglib2.0-0 2.54.3-2 ii libgnutls30 3.5.17-1 ii libjansson4 2.10-1 ii libmm-glib0 1.6.8-2 ii libndp0 1.6-1+b1 ii libnewt0.52 0.52.20-1+b1 ii libnl-3-200 3.2.27-2 ii libnm0 1.10.2-3 ii libpam-systemd 236-3+b1 ii libpolkit-agent-1-0 0.105-18 ii libpolkit-gobject-1-0 0.105-18 ii libpsl5 0.19.1-4 ii libreadline7 7.0-3 ii libselinux1 2.7-2 ii libsystemd0 236-3+b1 ii libteamdctl0 1.26-1+b1 ii libudev1 236-3+b1 ii libuuid1 2.30.2-0.3 ii lsb-base 9.20170808 ii policykit-1 0.105-18 ii udev 236-3+b1 ii wpasupplicant 2:2.6-15 Versions of packages network-manager recommends: ii crda 3.18-1 ii dnsmasq-base 2.78-1 ii iptables 1.6.1-2+b1 ii iputils-arping 3:20161105-1 ii isc-dhcp-client 4.3.5-3+b2 ii modemmanager 1.6.8-2 ii ppp 2.4.7-1+4 Versions of packages network-manager suggests: pn libteam-utils <none> -- no debconf information