On 2013/08/23 04:03, Bogdan Andu wrote:
> $ sudo gdb ./relayd
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> This GDB was configured as "amd64-unknown-openbsd5.3"...
> (gdb) attach 32389
> Attaching to program: /usr/src/usr.sbin/relayd-current/relayd, process
> 32389
> Loaded symbols for /usr/src/usr.sbin/relayd-current/relayd
> Reading symbols from /usr/lib/libevent.so.3.1...done.
> Loaded symbols for /usr/lib/libevent.so.3.1
> Reading symbols from /usr/lib/libssl.so.19.0...done.
> Loaded symbols for /usr/lib/libssl.so.19.0
> Reading symbols from /usr/lib/libcrypto.so.22.0...done.
> Loaded symbols for /usr/lib/libcrypto.so.22.0
> Reading symbols from /usr/lib/libutil.so.11.4...done.
> Loaded symbols for /usr/lib/libutil.so.11.4
> Reading symbols from /usr/lib/libc.so.66.2...done.
> Loaded symbols for /usr/lib/libc.so.66.2
> Reading symbols from /usr/libexec/ld.so...done.
> Loaded symbols for /usr/libexec/ld.so
> [Switching to thread 1032389]
> 0x000005462804581a in kevent () at <stdin>:2
> 2 <stdin>: No such file or directory.
> in <stdin>
> Current language: auto; currently asm
> (gdb) continue
> Continuing.
> Program received signal SIGSEGV, Segmentation fault.
A backtrace from this one would be helpful, that will hopefully show the
chain of functions which called event_queue_insert()..
> event_queue_insert (base=0x0, ev=0x54621afd208, queue=8) at /usr/src/
> lib/libevent/event.c:997
> 997 base->event_count++;
> Current language: auto; currently c
> (gdb)
> Continuing.
> But why this child crashes in /usr/src/lib/libevent/event.c, line 997 ?
It is attempting to dereference a null pointer.
> event_queue_insert (base=0x0, ev=0x54621afd208, queue=8) at
> /usr/src/lib/libevent/event.c:997
^^^^^^^^
> 997 base->event_count++;
^^^^^^
