Date: Sat, 15 Apr 2006 12:04:34 +0200 From: Ulrich Spoerlein <spoerlein@googlemail.com> To: bzeeb+freebsd+lor@zabbadoz.net Cc: stable@freebsd.org Subject: [LOR] udpinp Message-ID: <20060415100434.GC991@roadrunner.aventurien.local>
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--IpbVkmxF4tDyP/Kb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello everyone, catched this LOR on 6.1-PRERELEASE while fiddling with an ural0 device and configureing an inet address (me thinks, can't recall right now). lock order reversal: (Giant after non-sleepable) 1st 0xc5091dec inp (udpinp) @ /usr/src/sys/netinet/ip_output.c:1620 2nd 0xc07502c0 Giant (Giant) @ /usr/src/sys/netinet/in.c:970 KDB: stack backtrace: kdb_backtrace(0,ffffffff,c075f218,c075f588,c0724364) at kdb_backtrace+0x29 witness_checkorder(c07502c0,9,c06e4e61,3ca) at witness_checkorder+0x578 _mtx_lock_flags(c07502c0,0,c06e4e61,3ca) at _mtx_lock_flags+0x5b in_addmulti(ef4cdbcc,c4f01c00,0,c4f01c00,fb0000e0) at in_addmulti+0x2b ip_setmoptions(c5091d5c,ef4cdc90,c06de1d5,ef4cdc54,0) at ip_setmoptions+0x4= 98 ip_ctloutput(c59abde8,ef4cdc90,c4fc9d2c,0,c06de1d5) at ip_ctloutput+0x3db sosetopt(c59abde8,ef4cdc90,c5add0d8,1,0) at sosetopt+0x2c kern_setsockopt(c5992600,4,0,c,bfbfebb0) at kern_setsockopt+0xb5 setsockopt(c5992600,ef4cdd04,5,10,296) at setsockopt+0x1e syscall(3b,3b,3b,4807e340,bfbfeecc) at syscall+0x22f Xint0x80_syscall() at Xint0x80_syscall+0x1f Ulrich Spoerlein --=20 PGP Key ID: 20FEE9DD Encrypted mail welcome! Fingerprint: AEC9 AF5E 01AC 4EE1 8F70 6CBD E76E 2227 20FE E9DD Which is worse: ignorance or apathy? Don't know. Don't care. --IpbVkmxF4tDyP/Kb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (FreeBSD) iD8DBQFEQMUy524iJyD+6d0RAsrdAJ9v4INvTJAB4D7AwZ63SM4BjpOwMwCglO0b praJmZCnl+boCHq/OX+TSGg= =sbiI -----END PGP SIGNATURE----- --IpbVkmxF4tDyP/Kb--
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