This is how the stack looks like, when radvd_1.9.1-1.1_i386 crashes: *******************
Program received signal SIGSEGV, Segmentation fault. 0x80004c4d in yyparse () at gram.y:641 641 prefix->DeprecatePrefixFlag = $2; (gdb) bt #0 0x80004c4d in yyparse () at gram.y:641 #1 0x800079a1 in readin_config (fname=0x8000dc85 "/etc/radvd.conf") at radvd.c:813 #2 0x80007b7b in reload_config () at radvd.c:620 #3 0x8000b9fb in process_netlink_msg (sock=8) at netlink.c:70 #4 0x80007e6c in main_loop () at radvd.c:426 #5 0x80002305 in main (argc=5, argv=0xbffffd74) at radvd.c:346 (gdb) print prefix $1 = (struct AdvPrefix *) 0x0 ******************* Last logged line by radvd: no auto-selected prefix on interface ethX, disabling advertisements. By looking at gram.y, I think there are other flags affected by the issue (a missing check for prefix, if it's null), such as DecrementLifetimesFlag.
