panic: m_copydata, length > size of mbuf chain cpuid = 0 time = 1588399970 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002591c300 vpanic() at vpanic+0x1c7/frame 0xfffffe002591c360 panic() at panic+0x43/frame 0xfffffe002591c3c0 m_copydata() at m_copydata+0x201/frame 0xfffffe002591c450 rack_output() at rack_output+0x5c41/frame 0xfffffe002591c700 tcp_usr_send() at tcp_usr_send+0x5c7/frame 0xfffffe002591c7e0 sosend_generic() at sosend_generic+0x99e/frame 0xfffffe002591c8e0 sosend() at sosend+0xc6/frame 0xfffffe002591c950 kern_sendit() at kern_sendit+0x33d/frame 0xfffffe002591ca00 sendit() at sendit+0x224/frame 0xfffffe002591ca60 sys_sendto() at sys_sendto+0x5c/frame 0xfffffe002591cac0 amd64_syscall() at amd64_syscall+0x262/frame 0xfffffe002591cbf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002591cbf0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x41331a, rsp = 0x7fffdfffdf38, rbp = 0x6 --- KDB: enter: panic [ thread pid 1357 tid 100749 ] Stopped at kdb_enter+0x67: movq $0,0x14a9056(%rip) db> 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 0xfffffe0026000000 rdx 0x3ffff rbx 0 rsp 0xfffffe002591c2e0 rbp 0xfffffe002591c300 rsi 0x40001 rdi 0xffffffff810b9596 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffffe0025a99100 r12 0xffffffff82068ec0 ddb_dbbe r13 0 r14 0xffffffff81944029 r15 0xffffffff81944029 rip 0xffffffff810ae817 kdb_enter+0x67 rflags 0x82 ll+0x61 kdb_enter+0x67: movq $0,0x14a9056(%rip) db> show proc Process 1357 (syz-executor.0) at 0xfffff80003d2ea40: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 770 at 0xfffff800132f7000 ABI: FreeBSD ELF64 arguments: /root/syz-executor.0 reaper: 0xfffff80003304000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe0025a399e8 (map 0xfffffe0025a399e8) (map.pmap 0xfffffe0025a39aa8) (pmap 0xfffffe0025a39b08) threads: 2 100109 RunQ syz-executor.0 100749 Run CPU 0 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 1357 770 770 0 R (threaded) syz-executor.0 100109 RunQ syz-executor.0 100749 Run CPU 0 syz-executor.0 1356 782 782 0 R (threaded) syz-executor.3 100723 Run CPU 1 syz-executor.3 100748 RunQ syz-executor.3 1355 771 771 0 R (threaded) syz-executor.1 100327 RunQ syz-executor.1 100747 S uwait 0xfffff80013ca5500 syz-executor.1 816 803 816 0 Ss select 0xfffff8000380da40 dhclient 807 1 807 0 Ss select 0xfffff80013b487c0 dhclient 803 786 424 65 S select 0xfffff80003a33f40 dhclient 799 768 799 0 Rs syz-executor.2 786 424 424 0 S wait 0xfffff800134d6520 sh 782 768 782 0 Rs syz-executor.3 771 768 771 0 Ss nanslp 0xffffffff8252c1e0 syz-executor.1 770 768 770 0 Ss nanslp 0xffffffff8252c1e0 syz-executor.0 768 766 766 0 S (threaded) syz-fuzzer 100113 S uwait 0xfffff80003a34b80 syz-fuzzer 100114 S uwait 0xfffff8000380e200 syz-fuzzer 100115 S uwait 0xfffff8000380e100 syz-fuzzer 100116 S uwait 0xfffff80003a34580 syz-fuzzer 100117 S uwait 0xfffff80003a34680 syz-fuzzer 100118 S kqread 0xfffff80003a38a00 syz-fuzzer 100119 S uwait 0xfffff80003a34880 syz-fuzzer 100120 S uwait 0xfffff80003a34c80 syz-fuzzer 100122 S uwait 0xfffff80003a34f00 syz-fuzzer 100123 S uwait 0xfffff80003a33080 syz-fuzzer 100124 S uwait 0xfffff80003a34980 syz-fuzzer 766 764 766 0 Ss pause 0xfffff800134faae8 csh 764 682 764 0 Ss select 0xfffff80003a33e40 sshd 748 1 748 0 Ss+ ttyin 0xfffff80003805cb0 getty 747 1 747 0 Ss+ ttyin 0xfffff80003b068b0 getty 746 1 746 0 Ss+ ttyin 0xfffff80003b06cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b050b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b054b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b058b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b05cb0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003b080b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003b084b0 getty 738 1 24 0 S+ piperd 0xfffff80003cb88e8 logger 737 736 24 0 S+ nanslp 0xffffffff8252c1e0 sleep 736 1 24 0 S+ wait 0xfffff80003cb5520 sh 686 1 686 0 Ss nanslp 0xffffffff8252c1e0 cron 682 1 682 0 Ss select 0xfffff8000380c940 sshd 495 1 495 0 Ss select 0xfffff80003a33b40 syslogd 424 1 424 0 Ss wait 0xfffff80003d2c520 devd 423 1 423 65 Ss select 0xfffff80003a33840 dhclient 338 1 338 0 Ss select 0xfffff8000380c8c0 dhclient 335 1 335 0 Ss select 0xfffff80003a33bc0 dhclient 23 0 0 0 DL syncer 0xffffffff82618118 [syncer] 22 0 0 0 DL vlruwt 0xfffff800033c6a40 [vnlru] 21 0 0 0 DL (threaded) [bufdaemon] 100069 D qsleep 0xffffffff82617438 [bufdaemon] 100075 D - 0xffffffff8200aa00 [bufspacedaemon-0] 100087 D sdflush 0xfffff80003806ce8 [/ worker] 20 0 0 0 DL psleep 0xffffffff8263e308 [vmdaemon] 19 0 0 0 DL (threaded) [pagedaemon] 100067 D psleep 0xffffffff826328d8 [dom0] 100074 D launds 0xffffffff826328e4 [laundry: dom0] 100076 D umarcl 0xffffffff815460f0 [uma] 18 0 0 0 DL - 0xffffffff8235fe20 [rand_harvestq] 17 0 0 0 DL pftm 0xffffffff82c363a0 [pf purge] 16 0 0 0 DL waiting 0xffffffff8261a890 [sctp_iterator] 15 0 0 0 DL - 0xffffffff82616a2c [soaiod4] 9 0 0 0 DL - 0xffffffff82616a2c [soaiod3] 8 0 0 0 DL - 0xffffffff82616a2c [soaiod2] 7 0 0 0 DL - 0xffffffff82616a2c [soaiod1] 6 0 0 0 DL (threaded) [cam] 100033 D - 0xffffffff82237b40 [doneq0] 100066 D - 0xffffffff82237a10 [scanner] 5 0 0 0 DL crypto_ 0xfffff80003202d90 [crypto returns 1] 4 0 0 0 DL crypto_ 0xfffff80003202d30 [crypto returns 0] 3 0 0 0 DL crypto_ 0xffffffff826300c0 [crypto] 14 0 0 0 DL seqstat 0xfffff80003351488 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100024 D - 0xffffffff8250b180 [g_event] 100025 D - 0xffffffff8250b188 [g_up] 100026 D - 0xffffffff8250b190 [g_down] 2 0 0 0 DL (threaded) [KTLS] 100017 D - 0xfffff800032fac80 [thr_0] 100018 D - 0xfffff800032facc0 [thr_1] 12 0 0 0 WL (threaded) [intr] 100010 I [swi6: Giant taskq] 100013 I [swi5: fast taskq] 100016 I [swi6: task queue] 100019 I [swi3: vm] 100020 I [swi4: clock (0)] 100021 I [swi4: clock (1)] 100022 I [swi1: netisr 0] 100034 I [irq24: virtio_pci0] 100035 I [irq25: virtio_pci0] 100036 I [irq26: virtio_pci0] 100037 I [irq27: virtio_pci0] 100038 I [irq28: virtio_pci1] 100039 I [irq29: virtio_pci1] 100040 I [irq30: virtio_pci1] 100041 I [irq31: virtio_pci1] 100042 I [irq32: virtio_pci1] 100047 I [irq10: virtio_pci2] 100049 I [irq1: atkbd0] 100050 I [irq12: psm0] 100051 I [swi0: uart uart++] 100060 I [swi1: pf send] 100072 I [swi1: hpts] 100073 I [swi1: hpts] 11 0 0 0 RL (threaded) [idle] 100003 CanRun [idle: cpu0] 100004 CanRun [idle: cpu1] 1 0 1 0 SLs wait 0xfffff80003304000 [init] 10 0 0 0 DL audit_w 0xffffffff82630598 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff8250b710 [swapper] 100005 D - 0xfffff80003325000 [if_config_tqg_0] 100006 D - 0xfffff80003326e00 [softirq_0] 100007 D - 0xfffff80003326d00 [softirq_1] 100008 D - 0xfffff80003326c00 [if_io_tqg_0] 100009 D - 0xfffff80003326b00 [if_io_tqg_1] 100011 D - 0xfffff80003333600 [in6m_free taskq] 100012 D - 0xfffff80003333500 [thread taskq] 100014 D - 0xfffff80003333200 [kqueue_ctx taskq] 100015 D - 0xfffff80003333100 [aiod_kick taskq] 100023 D - 0xfffff80003334800 [firmware taskq] 100028 D - 0xfffff80003331c00 [crypto_0] 100029 D - 0xfffff80003331c00 [crypto_1] 100043 D - 0xfffff80003562c00 [vtnet0 rxq 0] 100044 D - 0xfffff80003562b00 [vtnet0 txq 0] 100045 D - 0xfffff80003562a00 [vtnet0 rxq 1] 100046 D - 0xfffff80003562900 [vtnet0 txq 1] 100048 D vtbslp 0xfffff80003522680 [virtio_balloon] 100052 D - 0xfffff80003335700 [mca taskq] 100057 D - 0xffffffff81ce7780 [deadlkres] 100062 D - 0xfffff80003331800 [acpi_task_0] 100063 D - 0xfffff80003331800 [acpi_task_1] 100064 D - 0xfffff80003331800 [acpi_task_2] 100065 D - 0xfffff80003331500 [CAM taskq] db> show all locks Process 1357 (syz-executor.0) thread 0xfffffe0025a98c00 (100749) exclusive sleep mutex so_snd (so_snd) r = 0 (0xfffffe001cfbfe98) locked @ /syzkaller/managers/main/kernel/sys/modules/tcp/rack/../../../netinet/tcp_stacks/rack.c:8440 exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8001339b208) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:965 exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe001cfbfeb8) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:419 db> show malloc Type InUse MemUse Requests pf_hash 5 11524K 5 devbuf 4213 4851K 4238 tcp_hpts 5 3201K 5 vtbuf 24 1968K 46 sysctloid 28335 1653K 28399 kobj 332 1328K 488 newblk 553 1162K 1260 vfscache 4 1025K 4 inodedep 544 784K 635 pcb 25 537K 611 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 130 265K 1431 acpica 1674 185K 52709 vnet_data 1 168K 1 pagedep 21 133K 566 filedesc 19 133K 1137 tfo_ccache 1 128K 1 dirrem 509 128K 570 sem 4 106K 4 DEVFS1 105 105K 122 linker 244 92K 277 bus 988 79K 3376 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 freefile 509 64K 563 module 497 63K 497 umtx 324 41K 324 BPF 22 36K 22 kdtrace 181 35K 3395 temp 35 33K 1836 hostcache 1 32K 1 shm 1 32K 1 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 gtaskqueue 18 26K 18 ifaddr 71 24K 73 vmem 3 22K 4 kbdmux 6 22K 6 lltable 47 18K 48 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 ithread 98 16K 98 ether_multi 172 14K 177 bus-sc 30 14K 1431 KTRACE 100 13K 100 ifnet 7 13K 7 kenv 95 12K 99 eventhandler 132 12K 132 in6_multi 89 11K 89 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 bmsafemap 3 9K 609 UART 12 9K 12 devstat 4 9K 4 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 audit_evclass 233 8K 291 freework 30 8K 644 routetbl 58 7K 62 CAM DEV 3 6K 510 kqueue 59 6K 1362 vt 11 6K 11 plimit 22 6K 350 cred 22 6K 207 sglist 5 6K 5 CAM queue 5 6K 1528 taskqueue 45 5K 45 ufs_dirhash 24 5K 24 DEVFSP 72 5K 76 pf_ifnet 10 5K 19 memdesc 1 4K 1 MCA 32 4K 32 UMA 249 4K 249 evdev 4 4K 4 kcovinfo 64 4K 68 diradd 31 4K 603 indirdep 15 4K 76 session 26 4K 35 pgrp 26 4K 35 hhook 13 4K 13 mkdir 24 3K 1108 acpisem 22 3K 22 terminal 11 3K 11 proc-args 47 3K 538 lockf 22 3K 41 uidinfo 3 3K 7 sctp_ifa 17 3K 17 select 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 newdirblk 16 2K 554 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 29 2K 45 CAM XPT 22 2K 543 in_multi 6 2K 7 freeblks 5 2K 571 acpidev 20 2K 20 msi 9 2K 9 tun 7 2K 7 softdep 1 1K 1 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 vnodemarker 2 1K 8 NFSD session 1 1K 1 CAM periph 4 1K 271 mld 6 1K 6 sctp_ifn 6 1K 6 igmp 6 1K 6 nhops 6 1K 6 toponodes 6 1K 6 isadev 6 1K 6 mount 16 1K 86 pci_link 10 1K 10 crypto 3 1K 3 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 inpcbpolicy 10 1K 801 osd 3 1K 9 vnodes 1 1K 3 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 tcpfunc 3 1K 3 loginclass 3 1K 6 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 soname 5 1K 7505 ktls 1 1K 1 pmchooks 1 1K 1 prison 4 1K 4 filecaps 5 1K 72 nexusdev 5 1K 5 entropy 2 1K 37 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 p1003.1b 1 1K 1 pf_table 0 0K 0 pf_rule 0 0K 0 pf_altq 0 0K 0 pf_osfp 0 0K 0 pf_temp 0 0K 0 ath_hal 0 0K 0 madt_table 0 0K 2 athdev 0 0K 0 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 pvscsi 0 0K 0 smartpqi 0 0K 0 scsi_ch 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 iavf 0 0K 0 ixl 0 0K 0 nvme_da 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 fpukern_ctx 0 0K 0 mixer 0 0K 0 xen_intr 0 0K 0 ac97 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 qpidrv 0 0K 0 hdacc 0 0K 0 hdac 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 dmar_dmamap 0 0K 0 hdaa 0 0K 0 acpi_perf 0 0K 0 acpicmbat 0 0K 0 isci 0 0K 0 bxe_ilt 0 0K 0 xenbus 0 0K 0 SIIS driver 0 0K 0 vm_fictitious 0 0K 0 CAM CCB 0 0K 2185 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 UMAHash 0 0K 0 ag_tgt_map_t malloc 0 0K 0 ag_slr_map_t malloc 0 0K 0 vm_pgdata 0 0K 0 jblocks 0 0K 0 savedino 0 0K 120 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 3 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 freefrag 0 0K 5 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 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 lDevFlags * malloc 0 0K 0 LRO 0 0K 0 sctp_mcore 0 0K 0 sctp_socko 0 0K 2 sctp_iter 0 0K 11 sctp_mvrf 0 0K 0 sctp_timw 0 0K 0 sctp_cpal 0 0K 0 sctp_cmsg 0 0K 0 sctp_stre 0 0K 0 sctp_athi 0 0K 0 sctp_athm 0 0K 2 sctp_atky 0 0K 2 sctp_atcl 0 0K 2 sctp_a_it 0 0K 11 sctp_aadr 0 0K 0 sctp_stro 0 0K 0 sctp_stri 0 0K 0 sctp_map 0 0K 0 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 723 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 112 accf 0 0K 0 pts 0 0K 0 iov 0 0K 13588 ioctlops 0 0K 106 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 587 sysctl 0 0K 1 ekcd 0 0K 0 dumper 0 0K 0 sendfile 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 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 NFS FHA 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