[LOR] udpinp

[Bjoern A. Zeeb]

On Sat, 15 Apr 2006, Ulrich Spoerlein wrote:

> 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

added with LOR ID #183 to "the LOR page":
 	http://sources.zabbadoz.net/freebsd/lor.html#183

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT