Date: Thu, 21 Apr 2005 23:57:18 +0000 From: "David Long" <x2345235234423@hotmail.com> To: freebsd-stable@freebsd.org Subject: New ipfilter LOR? Message-ID: <BAY21-F40876937E9B8024FA9F1F2832C0@phx.gbl>
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Source updated from RELENG_5 2005-04-21. Last update was 2005-01-26 and we have not seen this LOR before. lock order reversal 1st 0xc2cc1798 inp (udpinp) @ /usr/src/sys/netinet/udp_usrreq.c:807 2nd 0xc0872900 ipf filter rwlock (ipf filter rwlock) @ /usr/src/sys/contrib/ipfilter/netinet/fil.c:1135 KDB: stack backtrace: kdb_backtrace(0,ffffffff,c0897350,c0895be0,c082ba2c) at kdb_backtrace+0x29 witness_checkorder(c0872900,1,c0798caa,46f) at witness_checkorder+0x544 _sx_slock(c0872900,c0798caa,46f,0,0) at _sx_slock+0x50 fr_check(c2c2dbd0,14,c2c14800,1,d6f06ab0) at fr_check+0x368 fr_check_wrapper(0,d6f06ab0,c2c14800,2,c2cc1708) at fr_check_wrapper+0x2a pfil_run_hooks(c08bd1e0,d6f06b48,c2c14800,2,c2cc1708) at pfil_run_hooks+0xbd ip_output(c2c2db00,0,0,0,0) at ip_output+0x8f0 udp_output(c2cc1708,c2c2db00,0,0,c2d4ca80) at udp_output+0x493 udp_send(c2cc0654,0,c2c2db00,0,0) at udp_send+0x1a sosend(c2cc0654,0,d6f06c50,c2c2db00,0) at sosend+0x5e7 kern_sendit(c2d4ca80,7,d6f06ccc,0,0) at kern_sendit+0x104 sendit(c2d4ca80,7,d6f06ccc,0,bfbfd1b1) at sendit+0x161 sendto(c2d4ca80,d6f06d14,6,1,202) at sendto+0x4d syscall(2f,2f,2f,8084000,283410a4) at syscall+0x243 Xint0x80_syscall() at Xint0x80_syscall+0x1f We also see LOR 056 (http://sources.zabbadoz.net/freebsd/lor.html) which also haven't occurred on our system before now. Rgds. _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/
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