Date: Wed, 21 Sep 2005 13:41:24 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Mike Tancsa <mike@sentex.net> Cc: vkashyap@freebsd.org, freebsd-current@freebsd.org Subject: Re: LOR on RELENG_6, beta 5 Message-ID: <20050921174124.GA80991@xor.obsecurity.org> In-Reply-To: <6.2.3.4.0.20050921131152.035040a0@64.7.153.2> References: <6.2.3.4.0.20050921131152.035040a0@64.7.153.2>
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[-- Attachment #1 --] On Wed, Sep 21, 2005 at 01:15:28PM -0400, Mike Tancsa wrote: > > lock order reversal > 1st 0xc295a090 inp (divinp) @ /usr/src/sys/netinet/ip_divert.c:327 > 2nd 0xc28d9150 ipsec request (ipsec request) @ > /usr/src/sys/netipsec/ipsec_output.c:354 > KDB: stack backtrace: > kdb_backtrace(0,ffffffff,c0763e30,c0763e58,c072b204) at kdb_backtrace+0x29 > witness_checkorder(c28d9150,9,c06fc8ea,162) at witness_checkorder+0x564 > _mtx_lock_flags(c28d9150,0,c06fc8ea,162,0) at _mtx_lock_flags+0x5b > ipsec4_process_packet(c28f9800,c28d9100,22,0,c26c8e00) at > ipsec4_process_packet+0x45 > ip_output(c28f9800,0,e740fb28,22,0) at ip_output+0x74f > div_output(c294b858,c28f9800,c23bd440,0,e740fc08) at div_output+0x185 > div_send(c294b858,0,c28f9800,c23bd440,0) at div_send+0x3f > sosend(c294b858,c23bd440,e740fc3c,c28f9800,0) at sosend+0x5e3 > kern_sendit(c2711d80,3,e740fcbc,0,0) at kern_sendit+0x104 > sendit(c2711d80,3,e740fcbc,0,bfbdec04) at sendit+0x163 > sendto(c2711d80,e740fd04,6,0,296) at sendto+0x4d > syscall(3b,3b,3b,2,64) at syscall+0x22f > Xint0x80_syscall() at Xint0x80_syscall+0x1f > --- syscall (133, FreeBSD ELF32, sendto), eip = 0x280c5d97, esp = > 0xbfbdeb0c, ebp = 0xbfbeebb8 --- > > I am able to replicate this on the box without too much > effort. Unfortunately, it doesnt want to dump on my twe device for > some reason despite doing a > dumpon -v /dev/twed0s1b Dumps on twe seem to be broken. vinod, have you made any progress on this since last we spoke? Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDMZtEWry0BWjoQKURAvMJAKCqIFbCCt4XrylGMACnxtSRWI169gCfYstI oh3KDzjnUVB+F5sJSNR4ibw= =F9zB -----END PGP SIGNATURE-----
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