#0  0x00007f191d76d220 in __recvmsg_nocancel () at ../sysdeps/unix/syscall-template.S:81
  [Error: syscall-template.S was not found in source tree]
#1  0x000055cb52d1c6f1 in udev_monitor_receive_device (udev_monitor=0x55cb54430730) at ../src/libudev/libudev-monitor.c:608
  603:         smsg.msg_control = cred_msg;
  604:         smsg.msg_controllen = sizeof(cred_msg);
  605:         smsg.msg_name = &snl;
  606:         smsg.msg_namelen = sizeof(snl);
  607: 
  608:         buflen = recvmsg(udev_monitor->sock, &smsg, 0);
  609:         if (buflen < 0) {
  610:                 if (errno != EINTR)
  611:                         log_debug("unable to receive message");
  612:                 return NULL;
  613:         }
#2  0x000055cb52cee021 in on_uevent.lto_priv.282 (s=<optimized out>, fd=<optimized out>, revents=<optimized out>, userdata=0x55cb543f2090) at ../src/udev/udevd.c:910
  905:         struct udev_device *dev;
  906:         int r;
  907: 
  908:         assert(manager);
  909: 
  910:         dev = udev_monitor_receive_device(manager->monitor);
  911:         if (dev) {
  912:                 udev_device_ensure_usec_initialized(dev, NULL);
  913:                 r = event_queue_insert(manager, dev);
  914:                 if (r < 0)
  915:                         udev_device_unref(dev);
#3  0x000055cb52cee526 in on_inotify.lto_priv.281 (s=<optimized out>, fd=<optimized out>, revents=<optimized out>, userdata=<optimized out>) at ../src/udev/udevd.c:1146
  1141:                         /* settle might be waiting on us to determine the queue
  1142:                          * state. If we just handled an inotify event, we might have
  1143:                          * generated a "change" event, but we won't have queued up
  1144:                          * the resultant uevent yet. Do that.
  1145:                          */
  1146:                         on_uevent(NULL, -1, 0, manager);
  1147:                 } else if (e->mask & IN_IGNORED)
  1148:                         udev_watch_end(manager->udev, dev);
  1149:         }
  1150: 
  1151:         return 1;
#4  0x000055cb52d15d63 in source_dispatch (s=s@entry=0x55cb5441f9c0) at ../src/libsystemd/sd-event/sd-event.c:2116
  2111:         s->dispatching = true;
  2112: 
  2113:         switch (s->type) {
  2114: 
  2115:         case SOURCE_IO:
  2116:                 r = s->io.callback(s, s->io.fd, s->io.revents, s->userdata);
  2117:                 break;
  2118: 
  2119:         case SOURCE_TIME_REALTIME:
  2120:         case SOURCE_TIME_BOOTTIME:
  2121:         case SOURCE_TIME_MONOTONIC:
#5  0x000055cb52d1739e in sd_event_dispatch (e=0x55cb544029e0) at ../src/libsystemd/sd-event/sd-event.c:2472
  2467:         p = event_next_pending(e);
  2468:         if (p) {
  2469:                 sd_event_ref(e);
  2470: 
  2471:                 e->state = SD_EVENT_RUNNING;
  2472:                 r = source_dispatch(p);
  2473:                 e->state = SD_EVENT_INITIAL;
  2474: 
  2475:                 sd_event_unref(e);
  2476: 
  2477:                 return r;
#6  sd_event_run (timeout=18446744073709551615, e=0x55cb544029e0) at ../src/libsystemd/sd-event/sd-event.c:2500
  2495:                 /* There was nothing? Then wait... */
  2496:                 r = sd_event_wait(e, timeout);
  2497: 
  2498:         if (r > 0) {
  2499:                 /* There's something now, then let's dispatch it */
  2500:                 r = sd_event_dispatch(e);
  2501:                 if (r < 0)
  2502:                         return r;
  2503: 
  2504:                 return 1;
  2505:         }
#7  sd_event_loop (e=0x55cb544029e0) at ../src/libsystemd/sd-event/sd-event.c:2520
  2515:         assert_return(e->state == SD_EVENT_INITIAL, -EBUSY);
  2516: 
  2517:         sd_event_ref(e);
  2518: 
  2519:         while (e->state != SD_EVENT_FINISHED) {
  2520:                 r = sd_event_run(e, (uint64_t) -1);
  2521:                 if (r < 0)
  2522:                         goto finish;
  2523:         }
  2524: 
  2525:         r = e->exit_code;
#8  0x000055cb52ce8cc7 in run (cgroup=<optimized out>, fd_uevent=<optimized out>, fd_ctrl=<optimized out>) at ../src/udev/udevd.c:1625
  1620: 
  1621:         (void) sd_notify(false,
  1622:                          "READY=1\n"
  1623:                          "STATUS=Processing...");
  1624: 
  1625:         r = sd_event_loop(manager->event);
  1626:         if (r < 0) {
  1627:                 log_error_errno(r, "event loop failed: %m");
  1628:                 goto exit;
  1629:         }
  1630: 
#9  main (argc=<optimized out>, argv=<optimized out>) at ../src/udev/udevd.c:1749
  1744:                 setsid();
  1745: 
  1746:                 write_string_file("/proc/self/oom_score_adj", "-1000", 0);
  1747:         }
  1748: 
  1749:         r = run(fd_ctrl, fd_uevent, cgroup);
  1750: 
  1751: exit:
  1752:         mac_selinux_finish();
  1753:         log_close();
  1754:         return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;