[Snort-devel] tags crash

Chris Green cmg at ...81...
Sun Aug 12 12:04:33 EDT 2001

Just sending this off ( cvs updated last night ).

#0  Neighbor (P=0x84fc428, whichway=2) at ../snort/ubi_BinTree.c:418
418         if( NULL != P->Link[ whichway ] )
(gdb) bt
#0  Neighbor (P=0x84fc428, whichway=2) at ../snort/ubi_BinTree.c:418
#1  0x80737d0 in ubi_btNext (P=0x84fc428) at ../snort/ubi_BinTree.c:879
#2  0x80738d8 in ubi_btTraverse (RootPtr=0x80a3630, EachNode=0x8070ae0 <PruneTraverse>, UserData=0xbffff0a8)
    at ../snort/ubi_BinTree.c:1014
#3  0x8071083 in PruneTagCache (thetime=997630968, mustdie=0) at ../snort/tag.c:540
#4  0x8071027 in CheckTagList (p=0xbffff1d8, event=0xbffff158) at ../snort/tag.c:514
#5  0x8056a9f in Detect (p=0xbffff1d8) at ../snort/rules.c:3599
#6  0x805685b in Preprocess (p=0xbffff1d8) at ../snort/rules.c:3435
#7  0x804babb in ProcessPacket (user=0x0, pkthdr=0xbffff698, pkt=0x80c6540 "") at ../snort/snort.c:534
#8  0x40040207 in pcap_read_packet () from /usr/lib/libpcap.so.0
#9  0x4004124f in pcap_loop () from /usr/lib/libpcap.so.0
#10 0x804cf47 in InterfaceThread (arg=0x0) at ../snort/snort.c:1561
#11 0x804b98b in main (argc=15, argv=0xbffff84c) at ../snort/snort.c:467
#12 0x40207b5c in __libc_start_main (main=0x804b30c <main>, argc=15, ubp_av=0xbffff84c, init=0x804a610 <_init>, 
    fini=0x8078bbc <_fini>, rtld_fini=0x4000d634 <_dl_fini>, stack_end=0xbffff844)

at ../sysdeps/generic/libc-start.c:129

(gdb) p *P
Cannot access memory at address 0x84fc428
Chris Green <cmg at ...81...>
Laugh and the world laughs with you, snore and you sleep alone.

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