Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x438 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff81003e72 stack pointer = 0x28:0xfffffe0024a9a770 frame pointer = 0x28:0xfffffe0024a9a800 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 814 (syz-executor.0) trap number = 12 panic: page fault cpuid = 1 time = 1584484846 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024a9a3c0 vpanic() at vpanic+0x1c7/frame 0xfffffe0024a9a420 panic() at panic+0x43/frame 0xfffffe0024a9a480 trap_fatal() at trap_fatal+0x4ca/frame 0xfffffe0024a9a500 trap_pfault() at trap_pfault+0xdc/frame 0xfffffe0024a9a580 trap() at trap+0x3f8/frame 0xfffffe0024a9a6a0 calltrap() at calltrap+0x8/frame 0xfffffe0024a9a6a0 --- trap 0xc, rip = 0xffffffff81003e72, rsp = 0xfffffe0024a9a770, rbp = 0xfffffe0024a9a800 --- __mtx_lock_sleep() at __mtx_lock_sleep+0x172/frame 0xfffffe0024a9a800 __mtx_lock_flags() at __mtx_lock_flags+0x150/frame 0xfffffe0024a9a860 sctp_getopt() at sctp_getopt+0x1e8d/frame 0xfffffe0024a9a930 sctp_ctloutput() at sctp_ctloutput+0x258/frame 0xfffffe0024a9a990 sogetopt() at sogetopt+0xe6/frame 0xfffffe0024a9aa00 kern_getsockopt() at kern_getsockopt+0x13f/frame 0xfffffe0024a9aa80 sys_getsockopt() at sys_getsockopt+0x78/frame 0xfffffe0024a9aac0 amd64_syscall() at amd64_syscall+0x2f4/frame 0xfffffe0024a9abf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024a9abf0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x41332a, rsp = 0x7fffdffdcf38, rbp = 0x5 --- KDB: enter: panic [ thread pid 814 tid 100124 ] Stopped at kdb_enter+0x67: movq $0,0x146d296(%rip) db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b ll+0x1a es 0x3b ll+0x1a fs 0x13 gs 0x1b ss 0x28 ll+0x7 rax 0x12 rcx 0x80 ll+0x5f rdx 0xffffffff81893a52 rbx 0 rsp 0xfffffe0024a9a3a0 rbp 0xfffffe0024a9a3c0 rsi 0x1 rdi 0 r8 0 r9 0xffffffff r10 0 r11 0xfffffe0024cf5c10 r12 0xffffffff82068e30 ddb_dbbe r13 0 r14 0xffffffff81932c76 r15 0xffffffff81932c76 rip 0xffffffff810a9fa7 kdb_enter+0x67 rflags 0x86 ll+0x65 kdb_enter+0x67: movq $0,0x146d296(%rip) db> show proc Process 814 (syz-executor.0) at 0xfffff8003a3a7a60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 776 at 0xfffff80003311a60 ABI: FreeBSD ELF64 arguments: /root/syz-executor.0 reaper: 0xfffff80003311000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe002492a3d0 (map 0xfffffe002492a3d0) (map.pmap 0xfffffe002492a490) (pmap 0xfffffe002492a4f0) threads: 2 100087 s syz-executor.0 100124 Run CPU 1 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 814 776 776 0 T (threaded) syz-executor.0 100087 s syz-executor.0 100124 Run CPU 1 syz-executor.0 812 802 812 0 Ss select 0xfffff80003a7d4c0 dhclient 807 1 807 0 Ss select 0xfffff80003a7d640 dhclient 802 791 422 65 S select 0xfffff8000355cbc0 dhclient 791 422 422 0 S wait 0xfffff80003dc9530 sh 776 774 776 0 Rs syz-executor.0 774 772 772 0 S (threaded) syz-execprog 100097 S uwait 0xfffff80003821800 syz-execprog 100098 S uwait 0xfffff80003479f00 syz-execprog 100099 S uwait 0xfffff80003821080 syz-execprog 100100 S kqread 0xfffff80003840b00 syz-execprog 100101 S uwait 0xfffff80003a64e00 syz-execprog 100102 S uwait 0xfffff80003821900 syz-execprog 100103 S uwait 0xfffff80003a64880 syz-execprog 100104 S uwait 0xfffff80003a64980 syz-execprog 100105 S uwait 0xfffff80003a64f00 syz-execprog 772 770 772 0 Ss pause 0xfffff80003c990a8 csh 770 680 770 0 Ss select 0xfffff8000355f9c0 sshd 748 1 748 0 Rs+ CPU 0 getty 747 1 747 0 Ss+ ttyin 0xfffff80003b3b0b0 getty 746 1 746 0 Ss+ ttyin 0xfffff80003b3b4b0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b3b8b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b3bcb0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b3a0b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b3a4b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003b3a8b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003b3acb0 getty 684 1 684 0 Ss nanslp 0xffffffff824ffe40 cron 680 1 680 0 Ss select 0xfffff80003a7dec0 sshd 493 1 493 0 Ds bo_wwai 0xfffff8003a321350 syslogd 422 1 422 0 Ss wait 0xfffff80003db6000 devd 421 1 421 65 Ss select 0xfffff8000355cf40 dhclient 336 1 336 0 Ss select 0xfffff8000355f040 dhclient 333 1 333 0 Ss select 0xfffff80003a7dd40 dhclient 21 0 0 0 DL vlruwt 0xfffff800033f1a60 [vnlru] 20 0 0 0 DL syncer 0xffffffff825d62d8 [syncer] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d57d8 [bufdaemon] 100070 D - 0xffffffff8200aa00 [bufspacedaemon-0] 100078 D sdflush 0xfffff8000341ace8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f1248 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261d158 [dom0] 100068 D launds 0xffffffff8261d164 [laundry: dom0] 100069 D umarcl 0xffffffff81536ad0 [uma] 16 0 0 0 DL - 0xffffffff8235a6b0 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff82662720 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d51dc [soaiod4] 8 0 0 0 DL - 0xffffffff825d51dc [soaiod3] 7 0 0 0 DL - 0xffffffff825d51dc [soaiod2] 6 0 0 0 DL - 0xffffffff825d51dc [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82235ac0 [doneq0] 100062 D - 0xffffffff82235988 [scanner] 4 0 0 0 DL crypto_ 0xfffff8000321b190 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff8000321b130 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825eb2b8 [crypto] 14 0 0 0 DL seqstat 0xfffff80003369888 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b788 [g_event] 100023 D - 0xffffffff8261b798 [g_up] 100024 D - 0xffffffff8261b790 [g_down] 12 0 0 0 WL (threaded) [intr] 100005 I [swi6: Giant taskq] 100007 I [swi5: fast taskq] 100011 I [swi6: task queue] 100017 I [swi1: netisr 0] 100018 I [swi3: vm] 100019 I [swi4: clock (0)] 100020 I [swi4: clock (1)] 100032 I [irq24: virtio_pci0] 100033 I [irq25: virtio_pci0] 100034 I [irq26: virtio_pci0] 100035 I [irq27: virtio_pci0] 100036 I [irq28: virtio_pci1] 100037 I [irq29: virtio_pci1] 100038 I [irq30: virtio_pci1] 100039 I [irq31: virtio_pci1] 100040 I [irq32: virtio_pci1] 100045 I [irq10: virtio_pci2] 100047 I [irq1: atkbd0] 100048 I [irq12: psm0] 100049 I [swi0: uart uart++] 11 0 0 0 RL (threaded) [idle] 100003 CanRun [idle: cpu0] 100004 CanRun [idle: cpu1] 1 0 1 0 SLs wait 0xfffff80003311000 [init] 10 0 0 0 DL audit_w 0xffffffff826633b0 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff8260adc8 [swapper] 100006 D - 0xfffff80003338000 [thread taskq] 100008 D - 0xfffff80003205d00 [config_0] 100009 D - 0xfffff80003339d00 [kqueue_ctx taskq] 100010 D - 0xfffff80003339c00 [aiod_kick taskq] 100012 D - 0xfffff80003205c00 [if_config_tqg_0] 100013 D - 0xfffff80003205b00 [if_io_tqg_0] 100014 D - 0xfffff80003205a00 [if_io_tqg_1] 100015 D - 0xfffff80003205900 [softirq_0] 100016 D - 0xfffff80003205800 [softirq_1] 100021 D - 0xfffff80003339a00 [firmware taskq] 100026 D - 0xfffff80003339800 [crypto_0] 100027 D - 0xfffff80003339800 [crypto_1] 100041 D - 0xfffff80003334a00 [vtnet0 rxq 0] 100042 D - 0xfffff80003334900 [vtnet0 txq 0] 100043 D - 0xfffff80003334800 [vtnet0 rxq 1] 100044 D - 0xfffff80003334700 [vtnet0 txq 1] 100046 D vtbslp 0xfffff80003572d80 [virtio_balloon] 100050 D - 0xfffff80003845000 [mca taskq] 100055 D - 0xffffffff81cd5f10 [deadlkres] 100058 D - 0xfffff80003b36500 [acpi_task_0] 100059 D - 0xfffff80003b36500 [acpi_task_1] 100060 D - 0xfffff80003b36500 [acpi_task_2] 100061 D - 0xfffff80003339600 [CAM taskq] db> show all locks Process 814 (syz-executor.0) thread 0xfffffe0024cf5700 (100124) exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8003a937968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_usrreq.c:3042 Process 748 (getty) thread 0xfffffe0024948c00 (100092) exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffff800033ea808) locked @ /syzkaller/managers/main/kernel/sys/kern/tty_ttydisc.c:482 Process 493 (syslogd) thread 0xfffffe0003dfb500 (100084) exclusive lockmgr ufs (ufs) r = 0 (0xfffff8003a321250) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3431 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26033 1517K 26097 kobj 332 1328K 488 newblk 11 1027K 433 vfscache 4 1025K 4 pcb 34 550K 198 inodedep 12 518K 90 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 114 222K 882 acpica 1674 185K 52709 vnet_data 1 168K 1 pagedep 6 130K 33 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 102 102K 113 linker 222 89K 244 bus 964 78K 3350 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 filedesc 5 37K 35 BPF 19 36K 19 gtaskqueue 22 34K 22 umtx 270 34K 270 hostcache 1 32K 1 shm 1 32K 1 DEVFS3 121 31K 131 msg 4 30K 4 kdtrace 154 30K 1701 DEVFS_RULE 56 27K 56 vmem 3 22K 4 kbdmux 6 22K 6 temp 22 17K 1681 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 ifaddr 41 16K 43 ithread 89 15K 89 bus-sc 30 14K 1431 KTRACE 100 13K 100 kenv 95 12K 99 eventhandler 122 11K 122 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 UART 12 9K 12 devstat 4 9K 4 bmsafemap 1 8K 56 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 audit_evclass 232 8K 290 lltable 20 7K 20 ifnet 4 7K 4 CAM DEV 3 6K 510 ether_multi 73 6K 78 routetbl 37 6K 41 vt 11 6K 11 cred 21 6K 250 kqueue 49 6K 819 sglist 5 6K 5 CAM queue 5 6K 1528 in6_multi 41 5K 41 ufs_dirhash 24 5K 24 plimit 18 5K 360 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 UMA 236 4K 236 hhook 13 4K 13 sctp_atcl 6 3K 80 sctp_timw 11 3K 11 acpisem 22 3K 22 terminal 11 3K 11 session 22 3K 35 pgrp 22 3K 35 select 21 3K 21 dirrem 9 3K 37 uidinfo 3 3K 9 proc-args 41 3K 515 lockf 20 3K 33 local_apic 1 2K 1 io_apic 1 2K 1 CAM CCB 1 2K 1871 ipsec-saq 2 2K 2 CAM XPT 22 2K 543 Unitno 25 2K 39 ip6ndp 8 2K 9 crypto 2 2K 2 acpidev 20 2K 20 msi 9 2K 9 freefile 9 2K 35 softdep 1 1K 1 diradd 8 1K 53 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_ifa 8 1K 8 clone 8 1K 8 vnodemarker 2 1K 14 NFSD session 1 1K 1 CAM periph 4 1K 271 in_multi 3 1K 4 toponodes 6 1K 6 isadev 6 1K 6 mount 16 1K 86 pci_link 10 1K 10 mkdir 4 1K 40 indirdep 2 1K 4 pfil 4 1K 4 chacha20random 1 1K 1 CAM SIM 2 1K 2 epoch 4 1K 4 cdev 2 1K 2 encap_export_host 8 1K 8 newdirblk 3 1K 20 mld 3 1K 3 sctp_ifn 3 1K 3 igmp 3 1K 3 tun 4 1K 4 osd 3 1K 9 DEVFSP 5 1K 5 freework 2 1K 35 inpcbpolicy 9 1K 167 freeblks 1 1K 34 vnodes 1 1K 1 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 sctp_atky 6 1K 100 loginclass 3 1K 7 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 apmdev 1 1K 1 atkbddev 2 1K 2 CAM path 4 1K 1034 freefrag 1 1K 6 pmchooks 1 1K 1 prison 4 1K 4 soname 4 1K 5788 sctp_athm 6 1K 80 nexusdev 5 1K 5 entropy 2 1K 38 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 cpus 2 1K 2 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 filecaps 2 1K 72 sctp_socko 1 1K 20 p1003.1b 1 1K 1 ath_hal 0 0K 0 athdev 0 0K 0 madt_table 0 0K 2 ata_pci 0 0K 0 ata_dma 0 0K 0 ata_generic 0 0K 0 amr 0 0K 0 scsi_da 0 0K 69 ata_da 0 0K 0 scsi_ch 0 0K 0 pvscsi 0 0K 0 smartpqi 0 0K 0 scsi_cd 0 0K 0 USBdev 0 0K 0 USB 0 0K 0 AHCI driver 0 0K 0 agp 0 0K 0 nvme_da 0 0K 0 iavf 0 0K 0 ixl 0 0K 0 acpipwr 0 0K 0 twsbuf 0 0K 0 twe_commands 0 0K 0 twa_commands 0 0K 0 tcp_log_dev 0 0K 0 midi buffers 0 0K 0 mixer 0 0K 0 fpukern_ctx 0 0K 0 xen_intr 0 0K 0 ac97 0 0K 0 hdacc 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 qpidrv 0 0K 0 hdac 0 0K 0 hdaa 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 dmar_dmamap 0 0K 0 acpi_perf 0 0K 0 acpicmbat 0 0K 0 SIIS driver 0 0K 0 isci 0 0K 0 bxe_ilt 0 0K 0 xenbus 0 0K 0 vm_fictitious 0 0K 0 PUC 0 0K 0 ppbusdev 0 0K 0 agtiapi_MemAlloc malloc 0 0K 0 osti_cacheable 0 0K 0 tempbuff 0 0K 0 tempbuff 0 0K 0 ag_tgt_map_t malloc 0 0K 0 UMAHash 0 0K 0 ag_slr_map_t malloc 0 0K 0 lDevFlags * malloc 0 0K 0 vm_pgdata 0 0K 0 jblocks 0 0K 0 savedino 0 0K 14 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 5 jsegdep 0 0K 0 jseg 0 0K 0 jfreefrag 0 0K 0 jfreeblk 0 0K 0 jnewblk 0 0K 0 jmvref 0 0K 0 jremref 0 0K 0 jaddref 0 0K 0 freedep 0 0K 0 allocindir 0 0K 0 allocdirect 0 0K 0 ufs_trim 0 0K 0 mactemp 0 0K 0 audit_trigger 0 0K 0 audit_pipe_presel 0 0K 0 audit_pipeent 0 0K 0 audit_pipe 0 0K 0 audit_evname 0 0K 0 audit_bsm 0 0K 0 audit_gidset 0 0K 0 audit_text 0 0K 0 audit_path 0 0K 0 audit_data 0 0K 0 audit_cred 0 0K 0 xform 0 0K 0 NLM 0 0K 0 nfsclient_nlminfo 0 0K 0 nfsclient_lock 0 0K 0 NFS FHA 0 0K 0 ipsec-spdcache 0 0K 0 ipsec-reg 0 0K 0 ipsec-misc 0 0K 0 ipsecrequest 0 0K 0 ip6opt 0 0K 3 ip6_msource 0 0K 0 ip6_moptions 0 0K 0 in6_mfilter 0 0K 0 frag6 0 0K 0 tcplog 0 0K 0 LRO 0 0K 0 sctp_mcore 0 0K 0 sctp_iter 0 0K 5 sctp_mvrf 0 0K 0 sctp_cpal 0 0K 0 sctp_cmsg 0 0K 0 sctp_stre 0 0K 0 sctp_athi 0 0K 0 sctp_a_it 0 0K 5 sctp_aadr 0 0K 0 sctp_stro 0 0K 20 sctp_stri 0 0K 0 sctp_map 0 0K 40 newreno data 0 0K 0 ip_msource 0 0K 0 ip_moptions 0 0K 0 in_mfilter 0 0K 0 ipid 0 0K 0 80211scan 0 0K 0 80211ratectl 0 0K 0 80211power 0 0K 0 80211nodeie 0 0K 0 80211node 0 0K 0 80211mesh_gt 0 0K 0 80211mesh_rt 0 0K 0 80211perr 0 0K 0 80211prep 0 0K 0 80211preq 0 0K 0 80211dfs 0 0K 0 80211crypto 0 0K 0 80211vap 0 0K 0 iflib 0 0K 0 vlan 0 0K 0 gif 0 0K 0 ifdescr 0 0K 0 zlib 0 0K 0 fadvise 0 0K 0 tiDeviceHandle_t * malloc 0 0K 0 statfs 0 0K 207 export_host 0 0K 0 cl_savebuf 0 0K 2 ag_portal_data_t malloc 0 0K 0 ag_device_t malloc 0 0K 0 STLock malloc 0 0K 0 CCB List 0 0K 0 sr_iov 0 0K 0 OCS 0 0K 0 OCS 0 0K 0 nvme 0 0K 0 nvd 0 0K 0 netmap 0 0K 0 mwldev 0 0K 0 MVS driver 0 0K 0 CAM ccb queue 0 0K 0 mrsasbuf 0 0K 0 mpt_user 0 0K 0 mps_user 0 0K 0 biobuf 0 0K 0 aios 0 0K 0 lio 0 0K 0 acl 0 0K 0 MPSSAS 0 0K 0 mbuf_tag 0 0K 48 accf 0 0K 0 pts 0 0K 0 iov 0 0K 13490 ioctlops 0 0K 92 Witness 0 0K 0 stack 0 0K 0 mps 0 0K 0 mpr_user 0 0K 0 MPRSAS 0 0K 0 mpr 0 0K 0 mfibuf 0 0K 0 md_sectors 0 0K 0 sbuf 0 0K 288 md_disk 0 0K 0 compressor 0 0K 0 malodev 0 0K 0 SWAP 0 0K 0 LED 0 0K 0 sysctltmp 0 0K 593 sysctl 0 0K 1 ekcd 0 0K 0 dumper 0 0K 0 rctl 0 0K 0 ix_sriov 0 0K 0 aacraidcam 0 0K 0 ix 0 0K 0 ipsbuf 0 0K 0 iirbuf 0 0K 0 cache 0 0K 0 aacraid_buf 0 0K 0 kcovinfo 0 0K 0 prison_racct 0 0K 0 Fail Points 0 0K 0 sigio 0 0K 1 filedesc_to_leader 0 0K 0 pwd 0 0K 0 tty console 0 0K 0 aaccam 0 0K 0 aacbuf 0 0K 0 zstd 0 0K 0 nvlist 0 0K 0 SCSI ENC 0 0K 0 SCSI sa 0 0K 0 isofs_node 0 0K 0 isofs_mount 0 0K 0 tr_raid5_data 0 0K 0 tr_raid1e_data 0 0K 0 tr_raid1_data 0 0K 0 tr_raid0_data 0 0K 0 tr_concat_data 0 0K 0 md_sii_data 0 0K 0 md_promise_data 0 0K 0 md_nvidia_data 0 0K 0 md_jmicron_data 0 0K 0 md_intel_data 0 0K 0 md_ddf_data 0 0K 0 raid_data 0 0K 72 geom_flashmap 0 0K 0 newnfsmnt 0 0K 0 newnfsclient_req 0 0K 0 NFSCL layrecall 0 0K 0 NFSCL session 0 0K 0 NFSCL sockreq 0 0K 0 NFSCL devinfo 0 0K 0 NFSCL flayout 0 0K 0 NFSCL layout 0 0K 0 NFSD rollback 0 0K 0 NFSCL diroffdiroff 0 0K 0 NEWdirectio 0 0K 0 NEWNFSnode 0 0K 0 NFSCL lck 0 0K 0 NFSCL lckown 0 0K 0 NFSCL client 0 0K 0 NFSCL deleg 0 0K 0 NFSCL open 0 0K 0 NFSCL owner 0 0K 0 NFS fh 0 0K 0 NFS req 0 0K 0 NFSD usrgroup 0 0K 0 NFSD string 0 0K 0 NFSD V4lock 0 0K 0 NFSD V4state 0 0K 0 NFSD srvcache 0 0K 0 msdosfs_fat 0 0K 0 msdosfs_mount 0 0K 0 msdosfs_node 0 0K 0 DEVFS4 0 0K 0 DEVFS2 0 0K 0 gntdev 0 0K 0 privcmd_dev 0 0K 0 evtchn_dev 0 0K 0 xenstore 0 0K 0 scsi_pass 0 0K 0 ciss_data 0 0K 0 xnb 0 0K 0 xbbd 0 0K 0 xbd 0 0K 0 Balloon 0 0K 0 sysmouse 0 0K 0 vtfont 0 0K 0 db> show ktr No such command; use "help" to list available commands