Date: Wed, 28 Aug 2013 17:08:01 +0200 From: Maciej Milewski <milu@dat.pl> To: freebsd-net <freebsd-net@freebsd.org> Subject: LOR @netipsec/key.c:2434 Message-ID: <521E1251.9040800@dat.pl>
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I've observed the following LOR in my logs. Just after fresh start: lock order reversal: 1st 0x80865bb4 sptree (fast ipsec security policy database) @ /data/head-git/sys/netipsec/key.c:2434 2nd 0x80861554 rawcb (rawcb) @ /data/head-git/sys/netipsec/keysock.c:303 KDB: stack backtrace: db_trace_thread+30 (?,?,?,?) ra cd67f78800000018 sp 0 sz 0 db_trace_self+1c (?,?,?,?) ra cd67f7a000000018 sp 0 sz 0 8008f828+34 (?,?,?,?) ra cd67f7b8000001a0 sp 0 sz 0 kdb_backtrace+44 (?,?,?,?) ra cd67f95800000018 sp 0 sz 0 802defd8+34 (?,?,?,?) ra cd67f97000000020 sp 0 sz 0 witness_checkorder+b0c (?,?,8061bb24,12f) ra cd67f99000000050 sp 0 sz 1 __mtx_lock_flags+e8 (?,?,?,?) ra cd67f9e000000030 sp 0 sz 0 key_sendup_mbuf+274 (?,?,?,?) ra cd67fa1000000030 sp 0 sz 0 8044f238+150 (?,?,?,?) ra cd67fa4000000030 sp 0 sz 0 key_parse+f6c (?,?,?,?) ra cd67fa7000000180 sp 0 sz 0 key_output+334 (?,?,?,?) ra cd67fbf000000028 sp 0 sz 0 8036c314+8c (?,?,?,?) ra cd67fc1800000020 sp 0 sz 0 80451e80+28 (?,?,?,?) ra cd67fc3800000020 sp 0 sz 0 sosend_generic+4c4 (?,0,?,?) ra cd67fc5800000068 sp 1 sz 0 sosend+34 (?,?,?,?) ra cd67fcc000000028 sp 0 sz 0 kern_sendit+11c (?,?,?,?) ra cd67fce800000068 sp 0 sz 0 80307a48+b4 (?,?,?,?) ra cd67fd5000000038 sp 0 sz 0 sys_sendto+50 (?,?,?,?) ra cd67fd8800000040 sp 0 sz 0 trap+7f0 (?,?,?,?) ra cd67fdc8000000b8 sp 0 sz 0 MipsUserGenException+10c (?,?,?,40896240) ra cd67fe8000000000 sp 0 sz 0 pid 3035 root@RSPRO:~# ps auxwww | grep 3035 root 3035 0.0 1.3 13832 1736 - Is 2:03AM 0:00.45 /usr/local/sbin/racoon This is on MIPS Ubiquiti RSPRO board that is configured to use IPSEC transport mode with IPv6. I'm using for that racoon from ipsec-tools package. System is running currently: HEAD@r253582 I'll be happy with testing some patches if anyone knows why this happens and provides them. -- Pozdrawiam, Maciej Milewski
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