login: panic: mtx_lock() of destroyed mutex @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:316 cpuid = 0 time = 1581451096 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024d19720 vpanic() at vpanic+0x1ce/frame 0xfffffe0024d19790 panic() at panic+0x43/frame 0xfffffe0024d197f0 __mtx_lock_flags() at __mtx_lock_flags+0x1e3/frame 0xfffffe0024d19850 soo_stat() at soo_stat+0x13b/frame 0xfffffe0024d19890 kern_fstat() at kern_fstat+0xe4/frame 0xfffffe0024d198e0 freebsd32_fstat() at freebsd32_fstat+0x2b/frame 0xfffffe0024d19ab0 ia32_syscall() at ia32_syscall+0x494/frame 0xfffffe0024d19bf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x81426a9 KDB: enter: panic [ thread pid 6466 tid 100297 ] Stopped at kdb_enter+0x67: movq $0,0x1466466(%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 0xfffffe0025800000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024d19700 rbp 0xfffffe0024d19720 rsi 0x40001 rdi 0xffffffff810bbba6 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffffe0024973100 r12 0xffffffff82068dc0 ddb_dbbe r13 0 r14 0xffffffff81939d78 r15 0xffffffff81939d78 rip 0xffffffff810b0c57 kdb_enter+0x67 rflags 0x200086 kernphys+0x86 kdb_enter+0x67: movq $0,0x1466466(%rip) db> show proc Process 6466 (syz-executor.0) at 0xfffff8003a2d7530: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 768 at 0xfffff8003a489000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.0 reaper: 0xfffff800032d4000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe002496b9e8 (map 0xfffffe002496b9e8) (map.pmap 0xfffffe002496baa8) (pmap 0xfffffe002496bb08) threads: 5 100861 RunQ syz-executor.0 100313 S accept 0xfffffe0004deff88 syz-executor.0 100320 S accept 0xfffffe0004def878 syz-executor.0 100315 Run CPU 1 syz-executor.0 100297 Run CPU 0 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 6466 768 768 0 R (threaded) syz-executor.0 100861 RunQ syz-executor.0 100313 S accept 0xfffffe0004deff88 syz-executor.0 100320 S accept 0xfffffe0004def878 syz-executor.0 100315 Run CPU 1 syz-executor.0 100297 Run CPU 0 syz-executor.0 4737 1 4737 65 Ss select 0xfffff800039ac940 dhclient 3463 1 3463 0 Ss select 0xfffff8003ae84640 dhclient 3460 1 3460 0 Ss select 0xfffff8003ae846c0 dhclient 3441 1 3441 65 Ss select 0xfffff8003ae84740 dhclient 2496 1 2496 0 Ss select 0xfffff80003b2ddc0 dhclient 2493 1 2493 0 Ss select 0xfffff8003ae847c0 dhclient 2471 1 2471 65 Ss select 0xfffff8004312cd40 dhclient 1891 1 1891 0 Ss select 0xfffff8003ae889c0 dhclient 1887 1 1887 0 Ss select 0xfffff80003b2da40 dhclient 1866 1 1866 65 Ss select 0xfffff800039ace40 dhclient 1053 1 1053 0 Ss select 0xfffff800039acc40 dhclient 1048 1 1048 0 Ss select 0xfffff80003b2ef40 dhclient 773 766 773 0 Ss piperd 0xfffff80003bf1be0 syz-executor.3 770 766 770 0 Ss piperd 0xfffff80003bdc5f0 syz-executor.2 769 766 769 0 Ss piperd 0xfffff80003bdcbe0 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824ffcc1 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100106 S uwait 0xfffff800039ae280 syz-fuzzer 100107 S uwait 0xfffff80003b2d700 syz-fuzzer 100108 S kqread 0xfffff80003b57300 syz-fuzzer 100109 S uwait 0xfffff80003b2d900 syz-fuzzer 100110 S uwait 0xfffff800039ae580 syz-fuzzer 100111 S uwait 0xfffff800039ae380 syz-fuzzer 100112 S uwait 0xfffff800039ae680 syz-fuzzer 100113 S uwait 0xfffff800039ae480 syz-fuzzer 100115 S uwait 0xfffff80003b2d200 syz-fuzzer 100116 S uwait 0xfffff800039ae780 syz-fuzzer 764 762 764 0 Ss pause 0xfffff8003a489b08 csh 762 680 762 0 Ss select 0xfffff80003b2d9c0 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033f5cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff80003a928b0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003a92cb0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003a950b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003a954b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003a958b0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003a95cb0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003a940b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003a944b0 getty 684 1 684 0 Ss nanslp 0xffffffff824ffcc0 cron 680 1 680 0 Ss select 0xfffff80003b30840 sshd 493 1 493 0 Ss select 0xfffff80003b2dac0 syslogd 422 1 422 0 Ss select 0xfffff80003b2db40 devd 421 1 421 65 Ss select 0xfffff80003b308c0 dhclient 336 1 336 0 Ss select 0xfffff80003b2f340 dhclient 333 1 333 0 Ss select 0xfffff80003b2f440 dhclient 21 0 0 0 DL syncer 0xffffffff825d6158 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003a70000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d5658 [bufdaemon] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100078 D sdflush 0xfffff80003b618e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f10c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261dfd8 [dom0] 100068 D launds 0xffffffff8261dfe4 [laundry: dom0] 100069 D umarcl 0xffffffff81540820 [uma] 16 0 0 0 DL - 0xffffffff8235a530 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826635a0 [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_ 0xfffff80003303190 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff80003303130 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825eb138 [crypto] 14 0 0 0 DL seqstat 0xfffff8000333a888 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261c608 [g_event] 100023 D - 0xffffffff8261c618 [g_up] 100024 D - 0xffffffff8261c610 [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 0xfffff800032d4000 [init] 10 0 0 0 DL audit_w 0xffffffff82664230 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff8260ac48 [swapper] 100006 D - 0xfffff800031d4000 [config_0] 100007 D - 0xfffff800031d8800 [kqueue_ctx taskq] 100008 D - 0xfffff800031d8600 [aiod_kick taskq] 100011 D - 0xfffff800031d8000 [thread taskq] 100012 D - 0xfffff800031d3e00 [softirq_0] 100013 D - 0xfffff800031d3d00 [softirq_1] 100014 D - 0xfffff800031d3c00 [if_io_tqg_0] 100015 D - 0xfffff800031d3b00 [if_io_tqg_1] 100016 D - 0xfffff800031d3a00 [if_config_tqg_0] 100021 D - 0xfffff800031d7400 [firmware taskq] 100026 D - 0xfffff800031d6d00 [crypto_0] 100027 D - 0xfffff800031d6d00 [crypto_1] 100041 D - 0xfffff800031d6000 [vtnet0 rxq 0] 100042 D - 0xfffff800031d5e00 [vtnet0 txq 0] 100043 D - 0xfffff800031d5d00 [vtnet0 rxq 1] 100044 D - 0xfffff800031d5c00 [vtnet0 txq 1] 100046 D vtbslp 0xfffff8000352f880 [virtio_balloon] 100050 D - 0xfffff80003774e00 [mca taskq] 100054 D - 0xffffffff81cddfa0 [deadlkres] 100057 D - 0xfffff800039b2700 [acpi_task_0] 100058 D - 0xfffff800039b2700 [acpi_task_1] 100059 D - 0xfffff800039b2700 [acpi_task_2] 100061 D - 0xfffff800031d6600 [CAM taskq] db> show all locks Process 6466 (syz-executor.0) thread 0xfffffe00249ed000 (100315) exclusive sleep mutex eventhandler (eventhandler) r = 0 (0xffffffff82516280) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_eventhandler.c:271 exclusive sleep mutex socket (socket) r = 0 (0xfffffe0004defa98) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:483 exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8003a1677c0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:475 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26632 1559K 26696 kobj 332 1328K 488 newblk 22 1030K 55447 vfscache 4 1025K 4 pcb 29 537K 2977 inodedep 12 518K 10308 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 140 273K 6554 acpica 1674 185K 50140 vnet_data 1 168K 1 pagedep 9 130K 5523 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 filedesc 15 101K 11025 linker 222 89K 253 BPF 46 88K 46 bus 964 78K 3335 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 umtx 342 43K 342 kdtrace 179 34K 23536 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 10 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 vmem 3 26K 5 ifaddr 74 25K 76 kbdmux 6 22K 6 temp 34 17K 2348 ufs_mount 3 17K 4 proc 3 17K 3 tty 16 16K 16 tidhash 1 16K 1 lltable 43 16K 49 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 select 72 9K 72 cred 34 9K 289 bmsafemap 2 9K 10962 sctp_timw 33 9K 33 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 routetbl 58 8K 62 audit_evclass 231 8K 289 CAM DEV 3 6K 510 plimit 24 6K 426 kqueue 60 6K 6478 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1528 DEVFSP 78 5K 82 ufs_dirhash 24 5K 24 taskqueue 42 5K 42 session 35 5K 50 pgrp 35 5K 55 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 UMA 235 4K 235 freework 15 4K 41612 lockf 32 4K 446 hhook 13 4K 13 proc-args 52 3K 661 acpisem 22 3K 22 terminal 11 3K 11 uidinfo 5 3K 6 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 34 2K 19057 CAM XPT 22 2K 543 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 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 clone 8 1K 8 vnodemarker 2 1K 44 NFSD session 1 1K 1 CAM periph 4 1K 271 mkdir 7 1K 11002 dirrem 3 1K 9060 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 CAM SIM 2 1K 2 newdirblk 4 1K 5501 diradd 4 1K 9100 freefile 4 1K 9058 freeblks 2 1K 10674 pfil 4 1K 4 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 inpcbpolicy 15 1K 2329 encap_export_host 8 1K 8 osd 3 1K 9 indirdep 1 1K 15834 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 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 soname 4 1K 6522 nexusdev 5 1K 5 filecaps 5 1K 116 entropy 2 1K 43 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 p1003.1b 1 1K 1 CAM CCB 0 0K 92607 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 14641 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 21 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 6 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 9 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 1093 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_athm 0 0K 1128 sctp_atky 0 0K 1549 sctp_atcl 0 0K 1125 sctp_a_it 0 0K 10 sctp_aadr 0 0K 0 sctp_stro 0 0K 424 sctp_stri 0 0K 0 sctp_map 0 0K 848 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 5686 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 128 accf 0 0K 0 pts 0 0K 0 iov 0 0K 23744 ioctlops 0 0K 156 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 694 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