Date: Tue, 3 Jul 2007 11:59:47 GMT From: nst <nst@yahoo.co.jp> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/114237: kernel lock Message-ID: <200707031159.l63BxlaR000470@www.freebsd.org> Resent-Message-ID: <200707031200.l63C0H3s025079@freefall.freebsd.org>
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>Number: 114237 >Category: kern >Synopsis: kernel lock >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Jul 03 12:00:17 GMT 2007 >Closed-Date: >Last-Modified: >Originator: nst >Release: CURRENT >Organization: >Environment: FreeBSD web 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Tue Jul 3 00:00:38 JST 2007 root@web:/usr/obj/usr/src/sys/GENERIC i386 >Description: kernel: lock order reversal: kernel: 1st 0xc3280090 inp (divinp) @ /usr/src/sys/modules/ipdivert/../../netinet/ip_divert.c:356 kernel: 2nd 0xc0bf0018 PFil hook read/write mutex (PFil hook read/write mutex) @ /usr/src/sys/net/pfil.c:73 kernel: KDB: stack backtrace: kernel: db_trace_self_wrapper(c0a905d9,d51d6a38,c0781b8e,c0a92a7d,c0bf0018,...) at db_trace_self_wrapper+0x26 kernel: kdb_backtrace(c0a92a7d,c0bf0018,c0a9aedc,c0a9aedc,c0a9aec4,...) at kdb_backtrace+0x29 kernel: witness_checkorder(c0bf0018,1,c0a9aec4,49,c31932b8,...) at witness_checkorder+0x6de kernel: _rw_rlock(c0bf0018,c0a9aec4,49,c31932b8,0,...) at _rw_rlock+0x8e kernel: pfil_run_hooks(c0bf0000,d51d6b10,c2eb7400,2,0,...) at pfil_run_hooks+0x35 kernel: ip_output(c303ed00,0,d51d6ae4,22,0,...) at ip_output+0x862 kernel: div_send(c318e630,0,c303ed00,c2f232a0,0,...) at div_send+0x1fe kernel: sosend_generic(c318e630,c2f232a0,d51d6be8,0,0,...) at sosend_generic+0x50d kernel: sosend(c318e630,c2f232a0,d51d6be8,0,0,...) at sosend+0x54 kernel: kern_sendit(c3066c00,4,d51d6c64,0,0,...) at kern_sendit+0x137 kernel: sendit(0,bfbdecc1,0,c2f232a0,10,...) at sendit+0xb1 kernel: sendto(c3066c00,d51d6cfc,18,c,c0b3a078,...) at sendto+0x48 kernel: syscall(d51d6d38) at syscall+0x2b3 kernel: Xint0x80_syscall() at Xint0x80_syscall+0x20 kernel: --- syscall (133, FreeBSD ELF32, sendto), eip = 0x2814537f, esp = 0xbfbdebdc, ebp = 0xbfbeec78 --- >How-To-Repeat: ipfw + nat rc.conf firewall_type="simple" natd_enable="YES" >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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