[LOR] udpinp

Ulrich Spoerlein spoerlein at googlemail.com
Sat Apr 15 17:52:19 UTC 2006

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+0x498
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
 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.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20060415/80f3ae39/attachment.pgp

More information about the freebsd-stable mailing list