Date: Thu, 16 Sep 2004 03:50:32 -0000 From: Bruno Afonso <brunomiguel@dequim.ist.utl.pt> To: pf4freebsd@freelists.org Subject: [pf4freebsd] panic using synproxy Message-ID: <3F5F7217.5000405@dequim.ist.utl.pt>
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This is a 5.1 using 5.1.04 pfaltq patch by Dennis,
the box paniced after I introduced a synproxy rule. :)
db> show map
Task map 0xc02993f2: pmap=0x8908458b, nentries=1166878580,
version=3249999616
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x860246cb
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc036acb6
stack pointer = 0x10:0xd68b8a08
frame pointer = 0x10:0xd68b8a28
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 12 (swi1: net)
kernel: type 12 trap, code=0
Stopped at ip_input+0x332: movl 0x8(%eax),%esi
db> ps
pid proc addr uid ppid pgrp flag stat wmesg wchan cmd
26487 c431d960 e0e15000 1004 544 544 0004100 norm[CVQ select
c04555d4][SLP] pickup
25005 c4317000 e0db5000 0 1 25005 0000000 norm[SLPQ bpf
c6534d00][SLP] snort
25003 c417c000 dfb87000 0 1 25003 0000000 norm[SLPQ bpf
c6535b00][SLP] snort
23895 c6a783c0 e1069000 0 23871 23895 0004002 norm[SLPQ ttyin
c6483e40][SLP] zsh
23871 c6a79000 e106f000 1001 21439 23871 0004102 norm[SLPQ wait
c6a79000][SLP] su
22091 c65c15a0 e0f9f000 80 450 450 0000100 norm[SLPQ accept
c4284d36][SLP] httpd
22090 c6a753c0 e1061000 80 450 450 0000100 norm[SLPQ accept
c4284d36][SLP] httpd
22083 c468bb40 e0f82000 80 450 450 0000100 norm[SLPQ accept
c4284d36][SLP] httpd
21984 c468cd20 e0fa1000 80 450 450 0000100 norm[SLPQ accept
c4284d36][SLP] httpd
21982 c65c3d20 e0fdb000 80 450 450 0000100 norm[SLPQ accept
c4284d36][SLP] httpd
21439 c468c960 e0f97000 1001 21438 21439 0004002 norm[SLPQ pause
c43e0000][SLP] zsh
21438 c441a1e0 e0f06000 1001 21435 21435 0000100 norm[CVQ select
c04555d4][SLP] sshd
21435 c43171e0 e0dbb000 0 400 21435 0000100 norm[SLPQ sbwait
c6cf6364][SLP] sshd
19022 c441a000 e0f05000 1001 19019 19019 0000100 norm[CVQ select
c04555d4][SLP] sshd
19019 c441a960 e0f58000 0 400 19019 0000100 norm[SLPQ sbwait
c6a8f664][SLP] sshd
82019 c6a75780 e1063000 0 82018 82018 0000000 norm[SLPQ piperd
c41b1160][SLP] nmbd
82018 c6a791e0 e1070000 0 1 82018 0000001 norm[CVQ select
c04555d4][SLP] nmbd
82016 c6a78d20 e106e000 0 1 82016 0000001 norm[CVQ select
c04555d4][SLP] smbd
81658 c6a75960 e1064000 0 1 81658 0000000 norm[CVQ select
c04555d4][SLP] dhcpd
45011 c65c1b40 e0fd0000 1004 544 544 0004100 norm[CVQ select
c04555d4][SLP] qmgr
31564 c65c1d20 e0fd1000 0 1 31563 0000000 norm[SLPQ piperd
c41b28f0][SLP] nmbd
31506 c468b000 e0f6e000 0 1 31505 0000000 norm[SLPQ piperd
c43fe370][SLP] nmbd
1351 c431d1e0 e0e11000 0 1 1351 0004002 norm[SLPQ ttyin
c4072610][SLP] getty
632 c4419000 e0efd000 0 1 632 0004002 norm[SLPQ ttyin
c4484c10][SLP] getty
631 c44191e0 e0efe000 0 1 631 0004002 norm[SLPQ ttyin
c4485010][SLP] getty
630 c44193c0 e0eff000 0 1 630 0004002 norm[SLPQ ttyin
c4485410][SLP] getty
629 c44195a0 e0f00000 0 1 629 0004002 norm[SLPQ ttyin
c4485810][SLP] getty
628 c4419780 e0f01000 0 1 628 0004002 norm[SLPQ ttyin
c4485c10][SLP] getty
627 c4419960 e0f02000 0 1 627 0004002 norm[SLPQ ttyin
c43c8a10][SLP] getty
626 c4419b40 e0f03000 0 1 626 0004002 norm[SLPQ ttyin
c43c8e10][SLP] getty
625 c4419d20 e0f04000 0 1 625 0004002 norm[SLPQ ttyin
c14fc010][SLP] getty
622 c441a3c0 e0f07000 3 600 576 0004002 norm[SLPQ piperd
c41b1d10][SLP] multilog
621 c441a5a0 e0f08000 3 616 576 0004002 norm[SLPQ piperd
c41b2790][SLP] multilog
620 c431db40 e0e16000 3 602 576 0004002 norm[SLPQ piperd
c43fe000][SLP] multilog
619 c43e91e0 e0db2000 3 615 576 0004102 norm[CVQ select
c04555d4][SLP] dnscache
618 c431d3c0 e0e12000 3 601 576 0004102 norm[CVQ select
c04555d4][SLP] dnscache
617 c403fd20 dfb7c000 3 599 576 0004102 norm[CVQ select
c04555d4][SLP] dnscache
616 c417e5a0 dfb92000 0 576 576 0004002 norm[CVQ select
c04555d4][SLP] supervise
615 c43ea1e0 e0e74000 0 576 576 0004002 norm[CVQ select
c04555d4][SLP] supervise
603 c43e9d20 e0e4b000 0 1 603 0000000 norm[CVQ select
c04555d4][SLP] inetd
602 c43e9b40 e0e4a000 0 576 576 0004002 norm[CVQ select
c04555d4][SLP] supervise
601 c417ed20 dfbbd000 0 576 576 0004002 norm[CVQ select
c04555d4][SLP] supervise
600 c43e9960 e0e49000 0 576 576 0004002 norm[CVQ select
c04555d4][SLP] supervise
599 c43e9780 e0e48000 0 576 576 0004002 norm[CVQ select
c04555d4][SLP] supervise
577 c43e93c0 e0e46000 0 1 576 0004002 norm[SLPQ piperd
c41b1e70][SLP] readproctitle
576 c43e95a0 e0e47000 0 1 576 0004002 norm[SLPQ nanslp
c045498c][SLP] svscan
571 c43ea000 e0e4c000 0 1 570 0000000 norm[CVQ select
c04555d4][SLP] snmpd
544 c4317d20 e0e0f000 0 1 544 0004100 norm[CVQ select
c04555d4][SLP] master
495 c4317780 e0dbe000 88 463 40 0004102 norm[CVQ select
c04555d4][SLP] mysqld
487 c431d780 e0e14000 0 1 487 0000000 norm[SLPQ bpf
c42d2200][SLP] pflogd
463 c41c6b40 e0da3000 0 1 40 0004002 norm[SLPQ wait
c41c6b40][SLP] sh
450 c417e960 dfb94000 0 1 450 0000000 norm[CVQ select
c04555d4][SLP] httpd
418 c41c65a0 e0da0000 0 1 418 0000000 norm[SLPQ nanslp
c045498c][SLP] cron
400 c41c63c0 e0d9f000 0 1 400 0000100 norm[CVQ select
c04555d4][SLP] sshd
253 c41c61e0 e0d9e000 0 1 253 0000000 norm[CVQ select
c04555d4][SLP] syslogd
142 c41c6960 e0da2000 0 1 142 0000000 norm[SLPQ pause
c4181000][SLP] adjkerntz
39 c417c1e0 dfb88000 0 0 0 0000204 norm[SLPQ nfsidl
c046554c][SLP] nfsiod 3
38 c417c3c0 dfb89000 0 0 0 0000204 norm[SLPQ nfsidl
c0465548][SLP] nfsiod 2
37 c417c5a0 dfb8a000 0 0 0 0000204 norm[SLPQ nfsidl
c0465544][SLP] nfsiod 1
36 c417c780 dfb8b000 0 0 0 0000204 norm[SLPQ nfsidl
c0465540][SLP] nfsiod 0
35 c417c960 dfb8c000 0 0 0 0000204 norm[SLPQ vlruwt
c417c960][SLP] vnlru
34 c417cb40 dfb8d000 0 0 0 0000204 norm[SLPQ syncer
c0454340][SLP] syncer
33 c417cd20 dfb8e000 0 0 0 0000204 norm[SLPQ psleep
c045599c][SLP] bufdaemon
32 c417e000 dfb8f000 0 0 0 000020c norm[SLPQ pgzero
c0466c08][SLP] pagezero
31 c417e1e0 dfb90000 0 0 0 0000204 norm[SLPQ pollid
c0450898][SLP] idlepoll
9 c3fc35a0 d7af6000 0 0 0 0000204 norm[SLPQ psleep
c0466c34][SLP] vmdaemon
8 c3fc3780 d7af7000 0 0 0 0000204 norm[SLPQ psleep
c0466c20][SLP] pagedaemon
30 c3fc3960 d7af8000 0 0 0 0000204 new [IWAIT] irq8: rtc
29 c3fc3b40 d7af9000 0 0 0 0000204 new [IWAIT] irq0: clk
28 c3fc3d20 d7afa000 0 0 0 0000204 new [IWAIT] irq3: sio1
27 c403f000 dfb4e000 0 0 0 0000204 new [IWAIT] irq4: sio0
26 c403f1e0 dfb4f000 0 0 0 0000204 norm[IWAIT] swi0: tty:sio
25 c403f3c0 dfb50000 0 0 0 0000204 new [IWAIT] irq15: ata1
24 c403f5a0 dfb51000 0 0 0 0000204 norm[IWAIT] irq14: ata0
23 c403f780 dfb52000 0 0 0 0000204 norm[LOCK Giant
c0452300] irq11: fxp1
22 c403f960 dfb53000 0 0 0 0000204 norm[RUNQ] irq10: fxp0
21 c150a1e0 d68f4000 0 0 0 0000204 norm[SLPQ nothing
c0551d80][SLP] acpi_thermal
7 c150a3c0 d68f5000 0 0 0 0000204 norm[SLPQ actask
c05521cc][SLP] acpi_task2
6 c150a5a0 d68f6000 0 0 0 0000204 norm[SLPQ actask
c05521cc][SLP] acpi_task1
5 c150a780 d68f7000 0 0 0 0000204 norm[SLPQ actask
c05521cc][SLP] acpi_task0
20 c150a960 d68f8000 0 0 0 0000204 new [IWAIT] irq9: acpi0
19 c150ab40 d68f9000 0 0 0 0000204 new [IWAIT] irq13:
18 c150ad20 d6921000 0 0 0 0000204 norm[IWAIT] swi6:
acpitaskq
17 c3fc3000 d7af3000 0 0 0 0000204 new [IWAIT] swi5:+
16 c3fc31e0 d7af4000 0 0 0 0000204 new [IWAIT] swi6: task
queue
15 c3fc33c0 d7af5000 0 0 0 0000204 norm[SLPQ sleep
c04409e0][SLP] random
4 c1503000 d689d000 0 0 0 0000204 norm[SLPQ g_down
c044d458][SLP] g_down
3 c15031e0 d68ec000 0 0 0 0000204 norm[SLPQ g_up
c044d454][SLP] g_up
2 c15033c0 d68ed000 0 0 0 0000204 norm[SLPQ g_events
c044d44c][SLP] g_event
14 c15035a0 d68ee000 0 0 0 0000204 new [IWAIT] swi4: vm
13 c1503780 d68ef000 0 0 0 000020c norm[RUNQ] swi7:
tty:sio clock
12 c1503960 d68f0000 0 0 0 0000204 norm[CPU 0] swi1: net
11 c1503b40 d68f1000 0 0 0 000020c norm[Can run] idle
1 c1503d20 d68f2000 0 0 1 0004200 norm[SLPQ wait
c1503d20][SLP] init
10 c150a000 d68f3000 0 0 0 0000204 norm[CVQ ktrace
c0450e34][SLP] ktrace
0 c044d540 c0581000 0 0 0 0000200 norm[SLPQ sched
c044d540][SLP] swapper
db> trace
ip_input(0,1c3dfc6c,3b751984,d68b8ce4,c3f3d140) at ip_input+0x332
swi_net(0,0,0,0,c1503960) at swi_net+0x16d
ithread_loop(c1502200,d68b8d48,0,0,c1504980) at ithread_loop+0x1c2
fork_exit(c01dd910,c1502200,d68b8d48) at fork_exit+0xaf
fork_trampoline() at fork_trampoline+0x1a
--- trap 0x1, eip = 0, esp = 0xd68b8d7c, ebp = 0 ---
db> show registers
cs 0x8
ds 0x10
es 0x10
fs 0x18
ss 0x10
eax 0
ecx 0x4
edx 0xc1504980
ebx 0
esp 0xd68b8c38
ebp 0xd68b8cc8
esi 0xc1e5d830
edi 0x14
eip 0xc02993f2 ip_input+0x332
efl 0x10246
dr0 0
dr1 0
dr2 0
dr3 0
dr4 0xffff0ff0
dr5 0x400
dr6 0xffff0ff0
dr7 0x400
ip_input+0x332: movl 0x8(%eax),%esi
Hope this helps,
BA
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