panic: mtx_lock() of destroyed mutex @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:309 cpuid = 1 time = 2060 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024d30720 vpanic() at vpanic+0x1ce/frame 0xfffffe0024d30790 panic() at panic+0x43/frame 0xfffffe0024d307f0 __mtx_lock_flags() at __mtx_lock_flags+0x1e2/frame 0xfffffe0024d30850 soo_stat() at soo_stat+0x9c/frame 0xfffffe0024d30890 kern_fstat() at kern_fstat+0xd9/frame 0xfffffe0024d308e0 freebsd32_fstat() at freebsd32_fstat+0x2b/frame 0xfffffe0024d30ab0 ia32_syscall() at ia32_syscall+0x2e4/frame 0xfffffe0024d30bf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142669 KDB: enter: panic [ thread pid 2161 tid 101050 ] Stopped at kdb_enter+0x67: movq $0,0x14639f6(%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 0xfffffe0029600000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024d30700 rbp 0xfffffe0024d30720 rsi 0x40001 rdi 0xffffffff810be636 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffffe002493ff10 r12 0xffffffff82068f60 ddb_dbbe r13 0 r14 0xffffffff8193f677 r15 0xffffffff8193f677 rip 0xffffffff810b36c7 kdb_enter+0x67 rflags 0x200086 kernphys+0x86 kdb_enter+0x67: movq $0,0x14639f6(%rip) db> show proc Process 2161 (syz-executor.2) at 0xfffff800121e1a60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 776 at 0xfffff800033dd000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.2 reaper: 0xfffff800032f1000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe002495b9e8 (map 0xfffffe002495b9e8) (map.pmap 0xfffffe002495baa8) (pmap 0xfffffe002495bb08) threads: 4 100085 RunQ syz-executor.2 101047 S accept 0xfffffe0003dabda8 syz-executor.2 101048 Run CPU 0 syz-executor.2 101050 Run CPU 1 syz-executor.2 db> ps pid ppid pgrp uid state wmesg wchan cmd 2164 791 791 0 S (threaded) syz-executor.3 100093 S nanslp 0xffffffff824ffcc0 syz-executor.3 101054 S connec 0xfffffe0003dab298 syz-executor.3 101055 S uwait 0xfffff80012c62d00 syz-executor.3 2163 768 768 0 S (threaded) syz-executor.0 100073 S nanslp 0xffffffff824ffcc0 syz-executor.0 101051 S connec 0xfffffe0003dab620 syz-executor.0 101053 S uwait 0xfffff80012c24900 syz-executor.0 2162 769 769 0 S (threaded) syz-executor.1 100074 S nanslp 0xffffffff824ffcc0 syz-executor.1 101049 S accept 0xfffffe0003dac4f0 syz-executor.1 101052 S uwait 0xfffff80012c62900 syz-executor.1 2161 776 776 0 R (threaded) syz-executor.2 100085 RunQ syz-executor.2 101047 S accept 0xfffffe0003dabda8 syz-executor.2 101048 Run CPU 0 syz-executor.2 101050 Run CPU 1 syz-executor.2 1476 1470 1476 0 Ss select 0xfffff800120cd3c0 dhclient 1473 1 1473 0 Ss select 0xfffff800120d05c0 dhclient 1470 1463 422 65 S select 0xfffff80003bcdf40 dhclient 1463 422 422 0 S wait 0xfffff80012680000 sh 1454 1 1454 65 Ss select 0xfffff80012c24c40 dhclient 1043 1 1043 0 Ss select 0xfffff80003bce140 dhclient 1040 1 1040 0 Ss select 0xfffff80012c24140 dhclient 791 766 791 0 Ss nanslp 0xffffffff824ffcc1 syz-executor.3 776 766 776 0 Ss nanslp 0xffffffff824ffcc1 syz-executor.2 769 766 769 0 Ss nanslp 0xffffffff824ffcc1 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824ffcc1 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100110 S uwait 0xfffff80003bcbd00 syz-fuzzer 100111 S uwait 0xfffff80003c22900 syz-fuzzer 100112 S uwait 0xfffff80003c22a00 syz-fuzzer 100113 S uwait 0xfffff80003c22b00 syz-fuzzer 100114 S uwait 0xfffff80003c22d00 syz-fuzzer 100115 S uwait 0xfffff80003bcbe00 syz-fuzzer 100116 S uwait 0xfffff800120cdd00 syz-fuzzer 100117 S uwait 0xfffff800120cde00 syz-fuzzer 100119 S uwait 0xfffff80003bcb600 syz-fuzzer 100120 S kqread 0xfffff800031ea500 syz-fuzzer 764 762 764 0 Ss pause 0xfffff800125340a8 csh 762 680 762 0 Ss select 0xfffff800120d00c0 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033dc8b0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003b3c0b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003b3c4b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003b3c8b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003b3ccb0 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 0xffffffff824ffcc0 cron 680 1 680 0 Ss select 0xfffff800120d0240 sshd 493 1 493 0 Ss select 0xfffff800120d02c0 syslogd 422 1 422 0 Ss wait 0xfffff800032f1a60 devd 421 1 421 65 Ss select 0xfffff800120d0340 dhclient 336 1 336 0 Ss select 0xfffff800120d0540 dhclient 333 1 333 0 Ss select 0xfffff80003bcd540 dhclient 21 0 0 0 DL syncer 0xffffffff825d6158 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b0d000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d5658 [bufdaemon] 100066 D - 0xffffffff8200a980 [bufspacedaemon-0] 100078 D sdflush 0xfffff8000351f8e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f10c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261cfd8 [dom0] 100069 D launds 0xffffffff8261cfe4 [laundry: dom0] 100070 D umarcl 0xffffffff81542a80 [uma] 16 0 0 0 DL - 0xffffffff8235a530 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826625a0 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d505c [soaiod4] 8 0 0 0 DL - 0xffffffff825d505c [soaiod3] 7 0 0 0 DL - 0xffffffff825d505c [soaiod2] 6 0 0 0 DL - 0xffffffff825d505c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82235940 [doneq0] 100062 D - 0xffffffff82235808 [scanner] 4 0 0 0 DL crypto_ 0xfffff800031f5990 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff800031f5930 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825eb138 [crypto] 14 0 0 0 DL seqstat 0xfffff80003345488 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b608 [g_event] 100023 D - 0xffffffff8261b618 [g_up] 100024 D - 0xffffffff8261b610 [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 0xfffff800032f1000 [init] 10 0 0 0 DL audit_w 0xffffffff82663230 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff8260ac48 [swapper] 100006 D - 0xfffff800031f6600 [config_0] 100007 D - 0xfffff800031ebd00 [kqueue_ctx taskq] 100008 D - 0xfffff800031ebc00 [aiod_kick taskq] 100011 D - 0xfffff800031eb900 [thread taskq] 100012 D - 0xfffff800031f6300 [softirq_0] 100013 D - 0xfffff800031f6200 [softirq_1] 100014 D - 0xfffff800031f6100 [if_io_tqg_0] 100015 D - 0xfffff800031f6000 [if_io_tqg_1] 100016 D - 0xfffff800031f5e00 [if_config_tqg_0] 100021 D - 0xfffff800031eb800 [firmware taskq] 100026 D - 0xfffff800031eb600 [crypto_0] 100027 D - 0xfffff800031eb600 [crypto_1] 100041 D - 0xfffff800031eb200 [vtnet0 rxq 0] 100042 D - 0xfffff800031eb100 [vtnet0 txq 0] 100043 D - 0xfffff800031eb000 [vtnet0 rxq 1] 100044 D - 0xfffff800031eae00 [vtnet0 txq 1] 100046 D vtbslp 0xfffff800034eb580 [virtio_balloon] 100050 D - 0xfffff800031eac00 [mca taskq] 100054 D - 0xffffffff81ce3671 [deadlkres] 100057 D - 0xfffff80003b38300 [acpi_task_0] 100058 D - 0xfffff80003b38300 [acpi_task_1] 100059 D - 0xfffff80003b38300 [acpi_task_2] 100061 D - 0xfffff800031eb400 [CAM taskq] db> show all locks db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 25931 1511K 25995 kobj 332 1328K 488 newblk 70 1042K 10734 vfscache 4 1025K 4 pcb 31 542K 1096 inodedep 13 518K 1817 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 129 261K 2238 acpica 1674 185K 50140 vnet_data 1 168K 1 filedesc 21 149K 2531 pagedep 9 130K 1264 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 980 79K 3335 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 BPF 30 53K 30 umtx 324 41K 324 kdtrace 180 35K 6350 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 1 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 72 24K 74 vmem 3 22K 4 kbdmux 6 22K 6 lltable 46 17K 48 temp 34 17K 2048 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 1397 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 1943 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 sctp_timw 32 8K 32 shmfd 1 8K 1 pfs_vncache 1 8K 1 routetbl 58 8K 62 cred 30 8K 224 audit_evclass 232 8K 290 CAM DEV 3 6K 510 kqueue 58 6K 2171 plimit 22 6K 379 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1528 ufs_dirhash 24 5K 24 DEVFSP 74 5K 78 taskqueue 42 5K 42 freework 17 5K 4913 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 UMA 235 4K 235 session 28 4K 42 pgrp 28 4K 42 select 26 4K 26 hhook 13 4K 13 acpisem 22 3K 22 terminal 11 3K 11 lockf 24 3K 40 proc-args 47 3K 601 uidinfo 4 3K 5 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 CAM XPT 22 2K 543 Unitno 27 2K 1903 in_multi 6 2K 7 acpidev 20 2K 20 crypto 2 2K 2 msi 9 2K 9 tun 7 2K 7 softdep 1 1K 1 freeblks 4 1K 1780 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_atcl 2 1K 404 clone 8 1K 8 vnodemarker 2 1K 18 NFSD session 1 1K 1 CAM periph 4 1K 271 mkdir 7 1K 2502 dirrem 3 1K 1702 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 diradd 5 1K 1738 pwd 20 1K 1340 CAM SIM 2 1K 2 newdirblk 4 1K 1251 freefile 4 1K 1700 indirdep 2 1K 5512 pfil 4 1K 4 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 encap_export_host 8 1K 8 inpcbpolicy 12 1K 786 osd 3 1K 9 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 soname 6 1K 6428 CAM path 4 1K 1034 apmdev 1 1K 1 atkbddev 2 1K 2 pmchooks 1 1K 1 prison 4 1K 4 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 nexusdev 5 1K 5 entropy 2 1K 39 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 sctp_atky 2 1K 588 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 filecaps 3 1K 97 cpus 2 1K 2 sctp_athm 2 1K 404 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 20452 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 pvscsi 0 0K 0 smartpqi 0 0K 0 tempbuff 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 iavf 0 0K 0 ixl 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 fpukern_ctx 0 0K 0 MVS driver 0 0K 0 xen_intr 0 0K 0 xen_hvm 0 0K 0 legacydrv 0 0K 0 qpidrv 0 0K 0 CAM ccb queue 0 0K 0 mrsasbuf 0 0K 0 dmar_idpgtbl 0 0K 0 dmar_dom 0 0K 0 dmar_ctx 0 0K 0 dmar_dmamap 0 0K 0 mpt_user 0 0K 0 mps_user 0 0K 0 isci 0 0K 0 bxe_ilt 0 0K 0 xenbus 0 0K 0 vm_fictitious 0 0K 0 MPSSAS 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 2441 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 8 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 6 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 137 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_stro 0 0K 137 sctp_stri 0 0K 0 sctp_map 0 0K 274 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 mpr 0 0K 0 statfs 0 0K 1429 export_host 0 0K 0 cl_savebuf 0 0K 2 biobuf 0 0K 0 aios 0 0K 0 lio 0 0K 0 acl 0 0K 0 mfibuf 0 0K 0 mbuf_tag 0 0K 115 accf 0 0K 0 pts 0 0K 0 iov 0 0K 15617 ioctlops 0 0K 111 Witness 0 0K 0 stack 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 626 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