panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/netinet6/ip6_output.c:448 cpuid = 1 time = 1584508541 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024af4050 vpanic() at vpanic+0x1c7/frame 0xfffffe0024af40b0 panic() at panic+0x43/frame 0xfffffe0024af4110 ip6_output() at ip6_output+0x3789/frame 0xfffffe0024af4390 sctp_lowlevel_chunk_output() at sctp_lowlevel_chunk_output+0x18c7/frame 0xfffffe0024af44d0 sctp_send_initiate() at sctp_send_initiate+0xa3f/frame 0xfffffe0024af45d0 sctp_lower_sosend() at sctp_lower_sosend+0x3f3e/frame 0xfffffe0024af47b0 sctp_sosend() at sctp_sosend+0x501/frame 0xfffffe0024af48e0 sosend() at sosend+0xc6/frame 0xfffffe0024af4950 kern_sendit() at kern_sendit+0x33d/frame 0xfffffe0024af4a00 sendit() at sendit+0x224/frame 0xfffffe0024af4a60 sys_sendto() at sys_sendto+0x5c/frame 0xfffffe0024af4ac0 amd64_syscall() at amd64_syscall+0x2f4/frame 0xfffffe0024af4bf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024af4bf0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x41332a, rsp = 0x7fffdfffdf38, rbp = 0x6 --- KDB: enter: panic [ thread pid 1081 tid 100895 ] Stopped at kdb_enter+0x67: movq $0,0x146d296(%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 0xfffffe0025200000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024af4030 rbp 0xfffffe0024af4050 rsi 0x40001 rdi 0xffffffff810b4ce6 vprintf+0x176 r8 0 r9 0xffffffff r10 0xdfc3 ll+0xdfa2 r11 0xfffffe0024d2c810 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 1081 (syz-executor.0) at 0xfffff8003a9e5530: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 770 at 0xfffff8003a314000 ABI: FreeBSD ELF64 arguments: /root/syz-executor.0 reaper: 0xfffff80003311000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe00249739e8 (map 0xfffffe00249739e8) (map.pmap 0xfffffe0024973aa8) (pmap 0xfffffe0024973b08) threads: 2 100121 Run CPU 0 syz-executor.0 100895 Run CPU 1 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 1081 770 770 0 R (threaded) syz-executor.0 100121 Run CPU 0 syz-executor.0 100895 Run CPU 1 syz-executor.0 1080 771 771 0 R (threaded) syz-executor.2 100090 RunQ syz-executor.2 100894 RunQ syz-executor.2 1079 774 774 0 R (threaded) syz-executor.1 100850 RunQ syz-executor.1 100893 S sbwait 0xfffffe0003da0c6c syz-executor.1 100896 S sbwait 0xfffffe0003da2c6c syz-executor.1 1074 772 772 0 R (threaded) syz-executor.3 100113 RunQ syz-executor.3 100881 S uwait 0xfffff80003479480 syz-executor.3 100882 S connec 0xfffffe0003d9eb88 syz-executor.3 100886 S uwait 0xfffff8003ae77000 syz-executor.3 809 801 809 0 Ss select 0xfffff80003a84540 dhclient 805 1 805 0 Ss select 0xfffff8000355f1c0 dhclient 801 790 422 65 S select 0xfffff80003573a40 dhclient 790 422 422 0 S wait 0xfffff80003cf3a60 sh 774 766 774 0 Rs syz-executor.1 772 766 772 0 Rs syz-executor.3 771 766 771 0 Ss nanslp 0xffffffff824ffe41 syz-executor.2 770 766 770 0 Ss nanslp 0xffffffff824ffe41 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100097 S uwait 0xfffff80003820b80 syz-fuzzer 100100 S uwait 0xfffff80003a62780 syz-fuzzer 100101 S uwait 0xfffff80003a60f00 syz-fuzzer 100102 S uwait 0xfffff80003a63080 syz-fuzzer 100103 S uwait 0xfffff80003a63a80 syz-fuzzer 100104 S kqread 0xfffff80003842d00 syz-fuzzer 100105 S uwait 0xfffff80003821a00 syz-fuzzer 100106 S uwait 0xfffff80003821b00 syz-fuzzer 100107 S uwait 0xfffff80003a63180 syz-fuzzer 100108 S uwait 0xfffff80003479f00 syz-fuzzer 100109 S uwait 0xfffff80003a63280 syz-fuzzer 100110 S uwait 0xfffff80003821080 syz-fuzzer 764 762 764 0 Ss pause 0xfffff8003a314b08 csh 762 680 762 0 Ss select 0xfffff8000355f240 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033ea8b0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b380b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b384b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b388b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b38cb0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003b3b0b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003b3b4b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003b3b8b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003b3bcb0 getty 684 1 684 0 Ss nanslp 0xffffffff824ffe41 cron 680 1 680 0 Ss select 0xfffff8000355f2c0 sshd 493 1 493 0 Ss select 0xfffff80003a84dc0 syslogd 422 1 422 0 Ss wait 0xfffff80003caa530 devd 421 1 421 65 Ss select 0xfffff8000355f0c0 dhclient 336 1 336 0 Ss select 0xfffff80003a84d40 dhclient 333 1 333 0 Ss select 0xfffff80003a84cc0 dhclient 21 0 0 0 DL vlruwt 0xfffff80003b62a60 [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] 100081 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 - 0xfffff80003b37500 [acpi_task_0] 100059 D - 0xfffff80003b37500 [acpi_task_1] 100060 D - 0xfffff80003b37500 [acpi_task_2] 100061 D - 0xfffff80003339600 [CAM taskq] db> show all locks Process 1081 (syz-executor.0) thread 0xfffffe0024d2c300 (100895) exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0024cf98b0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_output.c:13643 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26033 1517K 26097 kobj 332 1328K 488 newblk 23 1030K 3869 vfscache 4 1025K 4 pcb 30 544K 837 inodedep 42 533K 492 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 126 249K 1155 acpica 1674 185K 52709 vnet_data 1 168K 1 filedesc 21 149K 583 pagedep 10 131K 297 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 988 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 324 41K 324 BPF 22 36K 22 gtaskqueue 22 34K 22 kdtrace 174 34K 2995 hostcache 1 32K 1 shm 1 32K 4 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 70 24K 73 vmem 3 22K 4 kbdmux 6 22K 6 lltable 47 18K 51 temp 34 17K 1850 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 ithread 89 15K 89 ether_multi 172 14K 177 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 471 UART 12 9K 12 devstat 4 9K 4 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 routetbl 58 8K 62 dirrem 31 8K 415 audit_evclass 232 8K 290 CAM DEV 3 6K 510 kqueue 55 6K 1086 cred 22 6K 264 vt 11 6K 11 sctp_timw 21 6K 21 plimit 21 6K 383 select 41 6K 41 sglist 5 6K 5 CAM queue 5 6K 1528 ufs_dirhash 24 5K 24 DEVFSP 72 5K 76 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 UMA 236 4K 236 freefile 27 4K 403 hhook 13 4K 13 session 25 4K 36 pgrp 25 4K 38 sctp_atcl 6 3K 358 sctp_stro 3 3K 42 acpisem 22 3K 22 terminal 11 3K 11 lockf 23 3K 169 proc-args 44 3K 544 uidinfo 3 3K 19 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 29 2K 45 CAM XPT 22 2K 543 in_multi 6 2K 7 freework 6 2K 1353 freeblks 5 2K 440 crypto 2 2K 2 acpidev 20 2K 20 msi 9 2K 9 tun 7 2K 7 softdep 1 1K 1 mkdir 8 1K 560 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 vnodemarker 2 1K 24 NFSD session 1 1K 1 CAM periph 4 1K 271 mld 6 1K 6 sctp_ifn 6 1K 6 igmp 6 1K 6 toponodes 6 1K 6 isadev 6 1K 6 mount 16 1K 86 pci_link 10 1K 10 newdirblk 5 1K 280 diradd 5 1K 449 inpcbpolicy 16 1K 1019 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 sctp_atky 9 1K 400 osd 3 1K 9 indirdep 1 1K 408 vnodes 1 1K 5 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 loginclass 3 1K 6 soname 6 1K 5951 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 iov 1 1K 14249 pmchooks 1 1K 1 prison 4 1K 4 sctp_athm 6 1K 360 sctp_map 6 1K 84 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 filecaps 2 1K 72 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 4675 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 218 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 11 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 166 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 151 sctp_iter 0 0K 11 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 11 sctp_aadr 0 0K 0 sctp_stri 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 451 export_host 0 0K 0 cl_savebuf 0 0K 81 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 115 accf 0 0K 0 pts 0 0K 0 ioctlops 0 0K 127 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 585 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