panic: sx lock still held cpuid = 0 time = 1576741458 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002456b870 vpanic() at vpanic+0x1c7/frame 0xfffffe002456b8e0 panic() at panic+0x43/frame 0xfffffe002456b940 sx_destroy() at sx_destroy+0x63/frame 0xfffffe002456b960 solisten_proto() at solisten_proto+0xd2/frame 0xfffffe002456b9c0 tcp6_usr_listen() at tcp6_usr_listen+0x1dc/frame 0xfffffe002456ba30 solisten() at solisten+0x7a/frame 0xfffffe002456ba70 kern_listen() at kern_listen+0x125/frame 0xfffffe002456bab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe002456bbf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142e7d KDB: enter: panic [ thread pid 1607 tid 100415 ] Stopped at kdb_enter+0x67: movq $0,0x1460626(%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 0xfffffe0025000000 rdx 0x3ffff rbx 0 rsp 0xfffffe002456b850 rbp 0xfffffe002456b870 rsi 0x40001 rdi 0xffffffff810c0961 vprintf+0xe1 r8 0 r9 0xffffffff r10 0xbc704ce6 r11 0x4218f9de r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff81936a0d r15 0xffffffff81936a0d rip 0xffffffff810b5be7 kdb_enter+0x67 rflags 0x200082 kernphys+0x82 kdb_enter+0x67: movq $0,0x1460626(%rip) db> show proc Process 1607 (syz-executor.0) at 0xfffff80049b67530: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 771 at 0xfffff8003a4f0000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.0 reaper: 0xfffff800032b8530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff80003dce000 (map 0xfffff80003dce000) (map.pmap 0xfffff80003dce0c0) (pmap 0xfffff80003dce120) threads: 4 100120 RunQ syz-executor.0 100413 S accept 0xfffff80003ea04f0 syz-executor.0 100415 Run CPU 0 syz-executor.0 100432 Run CPU 1 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 1613 773 773 0 S (threaded) syz-executor.2 100100 S nanslp 0xffffffff824fee11 syz-executor.2 100428 S uwait 0xfffff80003edc780 syz-executor.2 100429 S uwait 0xfffff8005addfa80 syz-executor.2 100431 S sbwait 0xfffff80003ea2c6c syz-executor.2 1609 844 844 0 S (threaded) syz-executor.3 100135 S nanslp 0xffffffff824fee10 syz-executor.3 100420 S uwait 0xfffff8005addf600 syz-executor.3 100421 S sbwait 0xfffff80003ea48e4 syz-executor.3 1608 772 772 0 S (threaded) syz-executor.1 100399 S nanslp 0xffffffff824fee10 syz-executor.1 100418 S sbwait 0xfffff80003e311d4 syz-executor.1 100419 S uwait 0xfffff80003c6b100 syz-executor.1 1607 771 771 0 R (threaded) syz-executor.0 100120 RunQ syz-executor.0 100413 S accept 0xfffff80003ea04f0 syz-executor.0 100415 Run CPU 0 syz-executor.0 100432 Run CPU 1 syz-executor.0 1156 1147 1156 0 Ss select 0xfffff8003a2082c0 dhclient 1150 1 1150 0 Ss select 0xfffff8003a2083c0 dhclient 1147 1138 422 65 S select 0xfffff80003cce0c0 dhclient 1138 422 422 0 S wait 0xfffff8003a656a60 sh 844 768 844 0 Ss nanslp 0xffffffff824fee10 syz-executor.3 773 768 773 0 Ss nanslp 0xffffffff824fee10 syz-executor.2 772 768 772 0 Ss nanslp 0xffffffff824fee11 syz-executor.1 771 768 771 0 Ss nanslp 0xffffffff824fee10 syz-executor.0 768 766 766 0 S (threaded) syz-fuzzer 100103 S uwait 0xfffff80003ef1000 syz-fuzzer 100105 S uwait 0xfffff80003ef1200 syz-fuzzer 100106 S uwait 0xfffff80003ef1300 syz-fuzzer 100107 S uwait 0xfffff80003ef1480 syz-fuzzer 100108 S uwait 0xfffff80003ef7a00 syz-fuzzer 100109 S uwait 0xfffff80003ef7b00 syz-fuzzer 100110 S uwait 0xfffff80003ef7c00 syz-fuzzer 100111 S uwait 0xfffff80003ef7d00 syz-fuzzer 100112 S uwait 0xfffff80003ef7e00 syz-fuzzer 100113 S kqread 0xfffff800031cc100 syz-fuzzer 766 764 766 0 Ss pause 0xfffff8003a4f15d8 csh 764 680 764 0 Ss select 0xfffff8003a2088c0 sshd 746 1 746 0 Ss+ ttyin 0xfffff80003813cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003afb0b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003ae00b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003ae08b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003ae10b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003ae18b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003ae20b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003ae28b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003ae30b0 getty 684 1 684 0 Ss nanslp 0xffffffff824fee11 cron 680 1 680 0 Ss select 0xfffff80003cce1c0 sshd 493 1 493 0 Ss select 0xfffff8003a208b40 syslogd 422 1 422 0 Ss wait 0xfffff80003d39000 devd 421 1 421 65 Ss select 0xfffff8003a208d40 dhclient 336 1 336 0 Ss select 0xfffff8003a208f40 dhclient 333 1 333 0 Ss select 0xfffff80003ccdec0 dhclient 21 0 0 0 DL syncer 0xffffffff825d52e0 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b0a000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4798 [bufdaemon] 100066 D - 0xffffffff8200a980 [bufspacedaemon-0] 100079 D sdflush 0xfffff8000308e0e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f01c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261d0d8 [dom0] 100069 D launds 0xffffffff8261d0e4 [laundry: dom0] 100070 D umarcl 0xffffffff8153dfd0 [uma] 16 0 0 0 DL - 0xffffffff82359598 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826626a0 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d419c [soaiod4] 8 0 0 0 DL - 0xffffffff825d419c [soaiod3] 7 0 0 0 DL - 0xffffffff825d419c [soaiod2] 6 0 0 0 DL - 0xffffffff825d419c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82234940 [doneq0] 100062 D - 0xffffffff82234808 [scanner] 4 0 0 0 DL crypto_ 0xfffff8000333d690 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff8000333d630 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825ea268 [crypto] 14 0 0 0 DL seqstat 0xfffff8000334f888 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b708 [g_event] 100023 D - 0xffffffff8261b718 [g_up] 100024 D - 0xffffffff8261b710 [g_down] 12 0 0 0 WL (threaded) [intr] 100005 I [swi5: fast taskq] 100009 I [swi6: task queue] 100010 I [swi6: Giant taskq] 100017 I [swi3: vm] 100018 I [swi1: netisr 0] 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 0xfffff800032b8530 [init] 10 0 0 0 DL audit_w 0xffffffff82663330 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff82609d38 [swapper] 100006 D - 0xfffff800032f9000 [config_0] 100007 D - 0xfffff800032f2e00 [kqueue_ctx taskq] 100008 D - 0xfffff800032f2d00 [aiod_kick taskq] 100011 D - 0xfffff800032f2a00 [thread taskq] 100012 D - 0xfffff800032f8e00 [if_config_tqg_0] 100013 D - 0xfffff800032f8d00 [softirq_0] 100014 D - 0xfffff800032f8c00 [softirq_1] 100015 D - 0xfffff800032f8b00 [if_io_tqg_0] 100016 D - 0xfffff800032f8a00 [if_io_tqg_1] 100021 D - 0xfffff80003382100 [firmware taskq] 100026 D - 0xfffff80003381e00 [crypto_0] 100027 D - 0xfffff80003381e00 [crypto_1] 100041 D - 0xfffff80003381a00 [vtnet0 rxq 0] 100042 D - 0xfffff80003381900 [vtnet0 txq 0] 100043 D - 0xfffff80003381800 [vtnet0 rxq 1] 100044 D - 0xfffff80003381700 [vtnet0 txq 1] 100046 D vtbslp 0xfffff80003510400 [virtio_balloon] 100050 D - 0xfffff80003381600 [mca taskq] 100051 D - 0xffffffff824fdb91 [deadlkres] 100057 D - 0xfffff80003380b00 [acpi_task_0] 100058 D - 0xfffff80003380b00 [acpi_task_1] 100059 D - 0xfffff80003380b00 [acpi_task_2] 100061 D - 0xfffff80003381d00 [CAM taskq] db> show all locks Process 1613 (syz-executor.2) thread 0xfffff8005efe1000 (100431) exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80003ea2c10) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 1609 (syz-executor.3) thread 0xfffff8002c13c6e0 (100421) exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80003ea4888) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 1608 (syz-executor.1) thread 0xfffff8003abf66e0 (100418) exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80003e31178) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 Process 1607 (syz-executor.0) thread 0xfffff8004aee96e0 (100415) exclusive sleep mutex socket (socket) r = 0 (0xfffff80003ea0000) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:489 exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8003a5b7208) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:481 Process 1607 (syz-executor.0) thread 0xfffff8005ef606e0 (100432) exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80003ea0278) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:393 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 23668 1374K 23732 kobj 332 1328K 488 newblk 5 1025K 2793 vfscache 4 1025K 4 pcb 42 551K 1275 inodedep 7 515K 901 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 126 249K 1687 acpica 1674 185K 49513 vnet_data 1 168K 1 filedesc 21 149K 1473 pagedep 9 130K 737 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 221 89K 252 bus 989 79K 3316 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 umtx 320 40K 320 BPF 22 36K 22 kdtrace 175 34K 4628 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 6 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 73 25K 73 kbdmux 6 22K 6 vmem 3 19K 4 lltable 47 18K 47 temp 34 17K 1974 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 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 869 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 sctp_timw 32 8K 32 shmfd 1 8K 1 cred 32 8K 255 pfs_vncache 1 8K 1 audit_evclass 231 8K 289 routetbl 58 7K 62 CAM DEV 3 6K 508 kqueue 55 6K 1620 select 44 6K 44 vt 11 6K 11 plimit 21 6K 382 sglist 5 6K 5 CAM queue 5 6K 1522 ufs_dirhash 24 5K 24 sctp_atcl 9 5K 528 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 233 4K 233 hhook 13 4K 13 session 25 4K 40 pgrp 25 4K 44 sctp_stro 3 3K 152 acpisem 22 3K 22 terminal 11 3K 11 uidinfo 5 3K 8 proc-args 44 3K 580 sctp_ifa 17 3K 17 lockf 20 3K 33 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 31 2K 661 CAM XPT 22 2K 541 in_multi 6 2K 7 acpidev 20 2K 20 crypto 2 2K 2 msi 9 2K 9 tun 7 2K 7 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 NFSD session 1 1K 1 CAM periph 4 1K 270 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 mkdir 5 1K 1446 diradd 5 1K 818 CAM SIM 2 1K 2 softdep 1 1K 1 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 inpcbpolicy 15 1K 683 sctp_atky 12 1K 680 encap_export_host 8 1K 8 pfil 3 1K 3 osd 3 1K 9 newdirblk 4 1K 723 vnodes 1 1K 1 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 feeder 7 1K 7 loginclass 3 1K 3 sctp_athm 9 1K 530 CAM path 4 1K 1030 apmdev 1 1K 1 atkbddev 2 1K 2 soname 5 1K 6000 pmchooks 1 1K 1 prison 4 1K 4 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 sctp_map 6 1K 304 nexusdev 5 1K 5 entropy 2 1K 39 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 freework 1 1K 1332 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 filecaps 2 1K 94 p1003.1b 1 1K 1 CAM CCB 0 0K 6906 madt_table 0 0K 2 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 pvscsi 0 0K 0 smartpqi 0 0K 0 ag_tgt_map_t malloc 0 0K 0 ag_slr_map_t malloc 0 0K 0 lDevFlags * malloc 0 0K 0 tiDeviceHandle_t * malloc 0 0K 0 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 iavf 0 0K 0 ixl 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 fpukern_ctx 0 0K 0 xen_intr 0 0K 0 CAM ccb queue 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 qpidrv 0 0K 0 mrsasbuf 0 0K 0 mpt_user 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 dmar_dmamap 0 0K 0 mps_user 0 0K 0 MPSSAS 0 0K 0 isci 0 0K 0 bxe_ilt 0 0K 0 xenbus 0 0K 0 vm_fictitious 0 0K 0 mps 0 0K 0 mpr_user 0 0K 0 MPRSAS 0 0K 0 UMAHash 0 0K 0 vm_pgdata 0 0K 0 jblocks 0 0K 0 savedino 0 0K 703 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 13 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 dirrem 0 0K 783 freefile 0 0K 781 freeblks 0 0K 815 freefrag 0 0K 7 allocindir 0 0K 0 indirdep 0 0K 914 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 6 ip6_msource 0 0K 0 ip6_moptions 0 0K 2 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 306 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 1 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 vnodemarker 0 0K 32 mpr 0 0K 0 statfs 0 0K 905 export_host 0 0K 0 cl_savebuf 0 0K 4 biobuf 0 0K 0 aios 0 0K 0 lio 0 0K 0 acl 0 0K 0 mfibuf 0 0K 0 mbuf_tag 0 0K 111 accf 0 0K 0 pts 0 0K 0 iov 0 0K 14516 ioctlops 0 0K 189 Witness 0 0K 0 stack 0 0K 0 md_sectors 0 0K 0 sbuf 0 0K 364 md_disk 0 0K 0 compressor 0 0K 0 malodev 0 0K 0 SWAP 0 0K 0 LED 0 0K 0 sysctltmp 0 0K 586 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 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 ath_hal 0 0K 0 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 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 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 mixer 0 0K 0 ac97 0 0K 0 hdacc 0 0K 0 hdac 0 0K 0 hdaa 0 0K 0 acpi_perf 0 0K 0 acpicmbat 0 0K 0 SIIS driver 0 0K 0 db> show ktr No such command; use "help" to list available commands