I generated a core dump with gdb on the running instance of inetd. Here is the backtrace:
#0 0x00007f910f0997b7 in epoll_wait (epfd=3, events=0x55df220e8ad0, maxevents=32, timeout=2497) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 30 ../sysdeps/unix/sysv/linux/epoll_wait.c: No such file or directory. (gdb) bt full #0 0x00007f910f0997b7 in epoll_wait (epfd=3, events=0x55df220e8ad0, maxevents=32, timeout=2497) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30 resultvar = 18446744073709551612 sc_ret = <optimized out> #1 0x00007f910f235408 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6 No symbol table info available. #2 0x00007f910f22b329 in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6 No symbol table info available. #3 0x000055df219e8a12 in ?? () No symbol table info available. #4 0x00007f910efc409b in __libc_start_main (main=0x55df219e8680, argc=1, argv=0x7ffd231f48a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd231f4898) at ../csu/libc-start.c:308 self = <optimized out> result = <optimized out> unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2537960699707725357, 94416830106576, 140725192706208, 0, 0, -8609933386768389677, -8621291608355968557}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffd231f48b8, 0x7f910f4d1190}, data = {prev = 0x0, cleanup = 0x0, canceltype = 589252792}}} not_first_call = <optimized out> #5 0x000055df219e8bfa in ?? () No symbol table info available.