login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/netinet6/ip6_output.c:448 cpuid = 0 time = 1584642970 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024acc020 vpanic() at vpanic+0x1c7/frame 0xfffffe0024acc080 panic() at panic+0x43/frame 0xfffffe0024acc0e0 ip6_output() at ip6_output+0x3789/frame 0xfffffe0024acc360 sctp_lowlevel_chunk_output() at sctp_lowlevel_chunk_output+0x18c7/frame 0xfffffe0024acc4a0 sctp_send_initiate() at sctp_send_initiate+0xa3f/frame 0xfffffe0024acc5a0 sctp_lower_sosend() at sctp_lower_sosend+0x3f3e/frame 0xfffffe0024acc780 sctp_sosend() at sctp_sosend+0x501/frame 0xfffffe0024acc8b0 sosend() at sosend+0xc6/frame 0xfffffe0024acc920 kern_sendit() at kern_sendit+0x33d/frame 0xfffffe0024acc9d0 freebsd32_sendmsg() at freebsd32_sendmsg+0x256/frame 0xfffffe0024accab0 ia32_syscall() at ia32_syscall+0x2e4/frame 0xfffffe0024accbf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x814313d KDB: enter: panic [ thread pid 933 tid 100258 ] Stopped at kdb_enter+0x67: movq $0,0x146cf76(%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 0 rax 0x12 rcx 0xfffffe0026200000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024acc000 rbp 0xfffffe0024acc020 rsi 0x40001 rdi 0xffffffff810b5056 vprintf+0x176 r8 0 r9 0xffffffff r10 0x6edb ll+0x6eba r11 0xfffffe0024953510 r12 0xffffffff82068e30 ddb_dbbe r13 0 r14 0xffffffff81933bd9 r15 0xffffffff81933bd9 rip 0xffffffff810aa317 kdb_enter+0x67 rflags 0x200086 kernphys+0x86 kdb_enter+0x67: movq $0,0x146cf76(%rip) db> show proc Process 933 (syz-executor.1) at 0xfffff80003c9ca60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 769 at 0xfffff8003a307000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.1 reaper: 0xfffff80003311000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe00249643d0 (map 0xfffffe00249643d0) (map.pmap 0xfffffe0024964490) (pmap 0xfffffe00249644f0) threads: 2 100078 RunQ syz-executor.1 100258 Run CPU 0 syz-executor.1 db> ps pid ppid pgrp uid state wmesg wchan cmd 933 769 769 0 R (threaded) syz-executor.1 100078 RunQ syz-executor.1 100258 Run CPU 0 syz-executor.1 928 768 768 0 R (threaded) syz-executor.0 100115 Run CPU 1 syz-executor.0 100248 S select 0xfffff80003a7d440 syz-executor.0 100252 S select 0xfffff80003a7d3c0 syz-executor.0 865 1 865 0 Ss select 0xfffff80003573740 rtsol 864 1 864 0 Ss select 0xfffff80003573840 rtsol 863 1 863 0 Ss select 0xfffff800035738c0 rtsol 860 779 422 0 S kqread 0xfffff80003840e00 rtsol 779 773 422 0 S wait 0xfffff80003311a60 sh 777 766 777 0 Ss nanslp 0xffffffff824ffe90 syz-executor.3 773 422 422 0 S wait 0xfffff8003a320a60 sh 771 766 771 0 Rs syz-executor.2 769 766 769 0 Ss nanslp 0xffffffff824ffe90 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824ffe91 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100092 S uwait 0xfffff80003820300 syz-fuzzer 100105 S uwait 0xfffff80003479e00 syz-fuzzer 100106 S uwait 0xfffff80003479f00 syz-fuzzer 100107 S uwait 0xfffff80003821080 syz-fuzzer 100108 S uwait 0xfffff80003a64f00 syz-fuzzer 100109 S uwait 0xfffff80003a67080 syz-fuzzer 100110 S uwait 0xfffff80003821780 syz-fuzzer 100111 S uwait 0xfffff80003821880 syz-fuzzer 100112 S uwait 0xfffff80003821180 syz-fuzzer 100113 S kqread 0xfffff80003842d00 syz-fuzzer 764 762 764 0 Ss pause 0xfffff8003a307b08 csh 762 680 762 0 Ss select 0xfffff8000355ca40 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033e88b0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b3b0b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b3b4b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b3b8b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b3bcb0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003b3a0b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003b3a4b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003b3a8b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003b3acb0 getty 736 1 22 0 S+ piperd 0xfffff80003c9abe0 logger 735 734 22 0 S+ nanslp 0xffffffff824ffe91 sleep 734 1 22 0 S+ wait 0xfffff80003da3000 sh 684 1 684 0 Ss nanslp 0xffffffff824ffe91 cron 680 1 680 0 Ss select 0xfffff8000355cec0 sshd 493 1 493 0 Ss select 0xfffff8000355f240 syslogd 422 1 422 0 Ss wait 0xfffff80003c98a60 devd 421 1 421 65 Ss select 0xfffff8000355cf40 dhclient 336 1 336 0 Ss select 0xfffff8000355f040 dhclient 333 1 333 0 Ss select 0xfffff8000355f1c0 dhclient 21 0 0 0 DL vlruwt 0xfffff800033efa60 [vnlru] 20 0 0 0 DL syncer 0xffffffff825d6358 [syncer] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d5858 [bufdaemon] 100068 D - 0xffffffff8200aa00 [bufspacedaemon-0] 100079 D sdflush 0xfffff8000341ace8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f12c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261d1d8 [dom0] 100069 D launds 0xffffffff8261d1e4 [laundry: dom0] 100070 D umarcl 0xffffffff81536e70 [uma] 16 0 0 0 DL - 0xffffffff8235a6b0 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826627a0 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d525c [soaiod4] 8 0 0 0 DL - 0xffffffff825d525c [soaiod3] 7 0 0 0 DL - 0xffffffff825d525c [soaiod2] 6 0 0 0 DL - 0xffffffff825d525c [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_ 0xffffffff825eb338 [crypto] 14 0 0 0 DL seqstat 0xfffff8000336b888 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b808 [g_event] 100023 D - 0xffffffff8261b818 [g_up] 100024 D - 0xffffffff8261b810 [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 0xffffffff82663430 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff8260ae48 [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] 100054 D - 0xffffffff81cd6fa0 [deadlkres] 100057 D - 0xfffff80003b36500 [acpi_task_0] 100058 D - 0xfffff80003b36500 [acpi_task_1] 100059 D - 0xfffff80003b36500 [acpi_task_2] 100061 D - 0xfffff80003339600 [CAM taskq] 932 777 777 0 Z syz-executor.3 db> show all locks Process 933 (syz-executor.1) thread 0xfffffe0024953000 (100258) exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0024c23c70) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_output.c:13643 Process 928 (syz-executor.0) thread 0xfffffe002496d000 (100115) exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff82512c10) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_umtx.c:512 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4238 vtbuf 24 1968K 46 sysctloid 26033 1517K 26097 kobj 332 1328K 488 newblk 531 1157K 654 vfscache 4 1025K 4 pcb 38 551K 169 inodedep 76 550K 167 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 130 265K 1007 acpica 1674 185K 52709 vnet_data 1 168K 1 pagedep 26 135K 101 tfo_ccache 1 128K 1 filedesc 17 117K 209 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 992 79K 3374 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 umtx 288 36K 288 gtaskqueue 22 34K 22 kdtrace 177 34K 2062 hostcache 1 32K 1 shm 1 32K 1 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 70 23K 72 vmem 3 22K 4 kbdmux 6 22K 6 BPF 14 19K 14 lltable 47 18K 48 temp 34 17K 1821 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 ithread 89 15K 89 ether_multi 174 14K 179 bus-sc 30 14K 1431 KTRACE 100 13K 100 ifnet 7 13K 7 kenv 95 12K 99 in6_multi 89 11K 89 eventhandler 122 11K 122 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 bmsafemap 2 9K 134 UART 12 9K 12 devstat 4 9K 4 kqueue 61 9K 940 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 routetbl 57 8K 61 dirrem 30 8K 104 audit_evclass 232 8K 290 CAM DEV 3 6K 510 diradd 48 6K 135 sctp_atcl 12 6K 46 sctp_stro 6 6K 17 cred 22 6K 196 vt 11 6K 11 plimit 21 6K 333 sglist 5 6K 5 CAM queue 5 6K 1528 ufs_dirhash 24 5K 24 taskqueue 42 5K 42 DEVFSP 70 5K 74 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 UMA 236 4K 236 session 27 4K 36 pgrp 27 4K 36 select 26 4K 26 hhook 13 4K 13 acpisem 22 3K 22 terminal 11 3K 11 proc-args 49 3K 536 mkdir 21 3K 182 indirdep 10 3K 10 sctp_timw 10 3K 10 uidinfo 3 3K 7 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 newdirblk 16 2K 91 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 in_multi 7 2K 8 freefile 13 2K 85 Unitno 28 2K 45 CAM XPT 22 2K 543 lockf 15 2K 38 crypto 2 2K 2 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 freework 4 1K 97 freeblks 3 1K 96 mld 6 1K 6 sctp_ifn 6 1K 6 sctp_atky 18 1K 67 in_mfilter 12 1K 12 igmp 6 1K 6 toponodes 6 1K 6 isadev 6 1K 6 mount 16 1K 86 pci_link 10 1K 10 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 12 1K 205 osd 3 1K 9 vnodes 1 1K 4 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 sctp_athm 12 1K 46 sctp_map 12 1K 34 ip_msource 3 1K 3 loginclass 3 1K 6 soname 5 1K 5747 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 ip_moptions 2 1K 2 pmchooks 1 1K 1 prison 4 1K 4 filecaps 4 1K 78 nexusdev 5 1K 5 entropy 2 1K 37 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 iov 1 1K 13432 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 CAM CCB 0 0K 1870 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 77 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 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 5 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_socko 0 0K 7 sctp_iter 0 0K 10 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 10 sctp_aadr 0 0K 0 sctp_stri 0 0K 0 newreno data 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 265 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 117 accf 0 0K 0 pts 0 0K 0 ioctlops 0 0K 98 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 568 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 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