CRASHER - referencing object that doesn't exist crashes the driver #981
Description
In this code
public void ask_for_set(object tp, object pattern) {
ArmorSet *sets ;
string path, *paths = pattern->query("sets") ;
}If pattern is undefined, the driver crashes.
From gdb -p
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f8584fee46e in epoll_wait (epfd=4, events=events@entry=0x7f8582023300, maxevents=32, timeout=timeout@entry=50) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
30 ../sysdeps/unix/sysv/linux/epoll_wait.c: No such file or directory.
(gdb) fg
Continuing.
Thread 1 "driver" received signal SIGSEGV, Segmentation fault.
find_object (str=0x0) at /frogdice/thresh/fluffos/src/vm/internal/simulate.cc:1466
1466 if (!filename_to_obname(str, tmpbuf, sizeof tmpbuf)) {
(gdb) fg
Continuing.
Thread 1 "driver" received signal SIGSEGV, Segmentation fault.
raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
50 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) fg
Continuing.
[Thread 0x7f8581bff700 (LWP 37445) exited]
Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
(gdb)