Hi,
my last ulogd.conf was not complete. And I think I found out the cause:
stack=log2:NFLOG,base1:BASE,ifi1:IFINDEX,ip2str1:IP2STR,print1:PRINTPKT,emu0:LOGEMU
stack=log2:NFLOG,base1:BASE,ifi1:IFINDEX,ip2str1:IP2STR,print1:PRINTPKT,syslog1:SYSLOG
having other stacks is not a problem as long as the log2:NFLOG is not
present, could it be that stop_pluginstances() in this case is doing a
double free() ?
Thanks,
-salih
On 12/31/2010 05:23 PM, Salih Gönüllü wrote:
Hi,
ulogd2 is segfaulting upon receipt of sigint or sigterm
Program received signal SIGTERM, Terminated.
0xb78c4430 in __kernel_vsyscall ()
(gdb) cont
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0xb78b71ba in main_arena () from /lib/libc.so.6
(gdb) bt
#0 0xb78b71ba in main_arena () from /lib/libc.so.6
#1 0x0804a35d in ulogd_propagate_results ()
#2 0xb777256c in interp_packet (upi=0x80630f0, pf_family=2 '\002',
ldata=0xbff01390)
at ulogd_inppkt_NFLOG.c:400
#3 0xb7772149 in msg_cb (gh=0x8062f58, nfmsg=0xbff01470, nfa=0xbff01390,
data=0x805f270)
at ulogd_inppkt_NFLOG.c:472
#4 0xb78bf7d5 in __nflog_rcv_pkt () from /usr/lib/libnetfilter_log.so.1
#5 0xb7767b00 in nfnl_step () from /usr/lib/libnfnetlink.so.0
#6 0xbff013b0 in ?? ()
#7 0x08062f28 in ?? ()
#8 0x00000001 in ?? ()
#9 0xbff01474 in ?? ()
#10 0x00000000 in ?? ()
I have tried with beta4 and with git
4f652cc32aebeac20f46009f146ad973a1ed0e99
Is there a way to avoid this ?
#ulogd.conf
stack=log2:NFLOG,base1:BASE,ifi1:IFINDEX,ip2str1:IP2STR,print1:PRINTPKT,emu0:LOGEMU
[log2]
group=42
emu0]
file="/var/log/ulogd_sysemu.log"
Regards,
-salih
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