panic: Assertion mtx_unowned(m) failed at /syzkaller/managers/i386/kernel/sys/kern/kern_mutex.c:1179 cpuid = 0 time = 2112 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00245b9850 vpanic() at vpanic+0x1ce/frame 0xfffffe00245b98c0 panic() at panic+0x43/frame 0xfffffe00245b9920 _mtx_destroy() at _mtx_destroy+0x132/frame 0xfffffe00245b9960 solisten_proto() at solisten_proto+0xf6/frame 0xfffffe00245b99c0 sctp_listen() at sctp_listen+0x4e6/frame 0xfffffe00245b9a30 solisten() at solisten+0x7a/frame 0xfffffe00245b9a70 kern_listen() at kern_listen+0x125/frame 0xfffffe00245b9ab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe00245b9bf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x8142e7d KDB: enter: panic [ thread pid 9087 tid 100166 ] Stopped at kdb_enter+0x67: movq $0,0x1467376(%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 0xfffffe002b200000 rdx 0x3ffff rbx 0 rsp 0xfffffe00245b9830 rbp 0xfffffe00245b9850 rsi 0x40001 rdi 0xffffffff810b9c66 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffff80037083bd0 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff819350cb r15 0xffffffff819350cb rip 0xffffffff810aed27 kdb_enter+0x67 rflags 0x200086 kernphys+0x86 kdb_enter+0x67: movq $0,0x1467376(%rip) db> show proc Process 9087 (syz-executor.3) at 0xfffff80003de9a60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 777 at 0xfffff80003e4b000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.3 reaper: 0xfffff800032fa530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003ae68000 (map 0xfffff8003ae68000) (map.pmap 0xfffff8003ae680c0) (pmap 0xfffff8003ae68120) threads: 4 100170 RunQ syz-executor.3 100167 D biowr 0xfffffe0003f41240 syz-executor.3 100166 Run CPU 0 syz-executor.3 101142 Run CPU 1 syz-executor.3 db> ps pid ppid pgrp uid state wmesg wchan cmd 9087 777 777 0 R (threaded) syz-executor.3 100170 RunQ syz-executor.3 100167 D biowr 0xfffffe0003f41240 syz-executor.3 100166 Run CPU 0 syz-executor.3 101142 Run CPU 1 syz-executor.3 3666 3659 3666 0 Ss select 0xfffff8003709b6c0 dhclient 3663 1 3663 0 Ss select 0xfffff8003709b4c0 dhclient 3659 3648 422 65 S select 0xfffff80003cc3e40 dhclient 3648 422 422 0 S wait 0xfffff8003ada0000 sh 3638 1 3638 65 Ss select 0xfffff80003d246c0 dhclient 2524 1 2524 0 Ss select 0xfffff8003709b5c0 dhclient 2521 1 2521 0 Ss select 0xfffff80003d22340 dhclient 2502 1 2502 65 Ss select 0xfffff8003a245340 dhclient 1317 1 1317 0 Ss select 0xfffff80003d23140 dhclient 1314 1 1314 0 Ss select 0xfffff80003d24740 dhclient 777 766 777 0 Ss nanslp 0xffffffff824feca0 syz-executor.3 771 766 771 0 Ss piperd 0xfffff80003d8cbe0 syz-executor.2 769 766 769 0 Ss piperd 0xfffff80003d8c2f8 syz-executor.1 768 766 768 0 Ss piperd 0xfffff80003d7cbe0 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100100 S uwait 0xfffff80003e02700 syz-fuzzer 100103 S uwait 0xfffff80003a47c80 syz-fuzzer 100104 S uwait 0xfffff80003a47d80 syz-fuzzer 100105 S uwait 0xfffff80003a47e80 syz-fuzzer 100106 S uwait 0xfffff80003a48000 syz-fuzzer 100107 S kqread 0xfffff8000333b800 syz-fuzzer 100108 S uwait 0xfffff80003a47780 syz-fuzzer 100109 S uwait 0xfffff80003a47880 syz-fuzzer 100111 S uwait 0xfffff80003a47a80 syz-fuzzer 100115 S uwait 0xfffff80003e03780 syz-fuzzer 100505 S uwait 0xfffff80003a4a580 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003afc0a8 csh 762 680 762 0 Ss select 0xfffff8003a242bc0 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033f7cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff800033f8cb0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003aba0b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003aba4b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003aba8b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003abacb0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003abb0b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003abb4b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003abb8b0 getty 684 1 684 0 Ss nanslp 0xffffffff824feca1 cron 680 1 680 0 Ss select 0xfffff80003d23c40 sshd 493 1 493 0 Ss select 0xfffff80003d23cc0 syslogd 422 1 422 0 Ss wait 0xfffff8003a4ff000 devd 421 1 421 65 Ss select 0xfffff8003a242dc0 dhclient 336 1 336 0 Ss select 0xfffff8003a2451c0 dhclient 333 1 333 0 Ss select 0xfffff8003a245240 dhclient 21 0 0 0 DL syncer 0xffffffff825d5118 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b01000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4618 [bufdaemon] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100082 D sdflush 0xfffff80003cf38e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f0088 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261cfd8 [dom0] 100068 D launds 0xffffffff8261cfe4 [laundry: dom0] 100069 D umarcl 0xffffffff8153bf50 [uma] 16 0 0 0 DL - 0xffffffff82359530 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff826625a0 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d401c [soaiod4] 8 0 0 0 DL - 0xffffffff825d401c [soaiod3] 7 0 0 0 DL - 0xffffffff825d401c [soaiod2] 6 0 0 0 DL - 0xffffffff825d401c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff82234940 [doneq0] 100062 D - 0xffffffff82234808 [scanner] 4 0 0 0 DL crypto_ 0xfffff800031f8e90 [crypto returns 1] 3 0 0 0 DL crypto_ 0xfffff800031f8e30 [crypto returns 0] 2 0 0 0 DL crypto_ 0xffffffff825ea0f8 [crypto] 14 0 0 0 DL seqstat 0xfffff80003362888 [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] 100006 I [swi5: fast taskq] 100010 I [swi6: task queue] 100011 I [swi6: Giant taskq] 100017 I [swi3: vm] 100018 I [swi4: clock (0)] 100019 I [swi4: clock (1)] 100020 I [swi1: netisr 0] 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 0xfffff800032fa530 [init] 10 0 0 0 DL audit_w 0xffffffff82663230 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff82609bf8 [swapper] 100005 D - 0xfffff8000333d000 [thread taskq] 100007 D - 0xfffff8000333cd00 [kqueue_ctx taskq] 100008 D - 0xfffff8000333cc00 [config_0] 100009 D - 0xfffff8000333cb00 [aiod_kick taskq] 100012 D - 0xfffff8000333c800 [if_config_tqg_0] 100013 D - 0xfffff8000333c700 [if_io_tqg_0] 100014 D - 0xfffff8000333c600 [if_io_tqg_1] 100015 D - 0xfffff8000333c500 [softirq_0] 100016 D - 0xfffff8000333c400 [softirq_1] 100021 D - 0xfffff8000333c300 [firmware taskq] 100026 D - 0xfffff8000333c200 [crypto_0] 100027 D - 0xfffff8000333c200 [crypto_1] 100041 D - 0xfffff8000333c000 [vtnet0 rxq 0] 100042 D - 0xfffff8000333be00 [vtnet0 txq 0] 100043 D - 0xfffff8000333bd00 [vtnet0 rxq 1] 100044 D - 0xfffff8000333bc00 [vtnet0 txq 1] 100046 D vtbslp 0xfffff800034d4400 [virtio_balloon] 100050 D - 0xfffff8000333bb00 [mca taskq] 100055 D - 0xffffffff81cd8ac0 [deadlkres] 100057 D - 0xfffff80003b31100 [acpi_task_0] 100058 D - 0xfffff80003b31100 [acpi_task_1] 100059 D - 0xfffff80003b31100 [acpi_task_2] 100061 D - 0xfffff8000333c100 [CAM taskq] db> show all locks Process 9087 (syz-executor.3) thread 0xfffff8003738a000 (100167) exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003f412c0) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:3889 exclusive lockmgr ufs (ufs) r = 0 (0xfffff8003a43d250) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_vnops.c:877 Process 9087 (syz-executor.3) thread 0xfffff800370836e0 (100166) exclusive sleep mutex socket (socket) r = 0 (0xfffff80003e7c710) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7285 exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8003af64968) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7283 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 26527 1553K 26591 kobj 331 1324K 487 newblk 70 1042K 107361 vfscache 4 1025K 4 pcb 29 541K 12321 inodedep 19 521K 13448 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 138 265K 9177 acpica 1674 185K 49750 vnet_data 1 168K 1 pagedep 9 130K 8179 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 filedesc 15 101K 16343 linker 221 89K 252 bus 970 78K 3330 mtx_pool 2 72K 2 BPF 38 71K 38 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 493 62K 493 umtx 332 42K 332 gtaskqueue 22 34K 22 kdtrace 175 34K 31709 hostcache 1 32K 1 shm 1 32K 1217 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 73 25K 75 kbdmux 6 22K 6 vmem 3 20K 5 lltable 46 17K 69 temp 34 17K 2168 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 1394 KTRACE 100 13K 100 ifnet 7 13K 7 kenv 95 12K 99 eventhandler 123 11K 123 in6_multi 89 11K 89 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 bmsafemap 2 9K 14449 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 cred 29 8K 255 audit_evclass 231 8K 289 routetbl 58 7K 62 select 49 7K 49 CAM DEV 3 6K 508 plimit 23 6K 379 kqueue 58 6K 9101 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1522 DEVFSP 76 5K 80 ufs_dirhash 24 5K 24 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 session 31 4K 44 pgrp 31 4K 46 freework 16 4K 48766 UMA 234 4K 234 hhook 13 4K 13 lockf 27 3K 43 acpisem 22 3K 22 terminal 11 3K 11 proc-args 50 3K 624 uidinfo 4 3K 4 sctp_ifa 17 3K 17 CAM CCB 1 2K 215666 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 Unitno 30 2K 24911 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 freefile 8 1K 12272 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_atcl 2 1K 6273 clone 8 1K 8 vnodemarker 2 1K 60 NFSD session 1 1K 1 dirrem 7 1K 12274 CAM periph 4 1K 270 freeblks 3 1K 13976 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 12312 CAM SIM 2 1K 2 softdep 1 1K 1 mkdir 4 1K 16324 indirdep 2 1K 60822 pfil 4 1K 4 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 encap_export_host 8 1K 8 inpcbpolicy 10 1K 1326 osd 3 1K 9 newdirblk 4 1K 8162 vnodes 1 1K 2 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 1030 apmdev 1 1K 1 atkbddev 2 1K 2 iov 2 1K 24388 pmchooks 1 1K 1 prison 4 1K 4 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 soname 4 1K 8595 nexusdev 5 1K 5 entropy 2 1K 40 tcpfunc 1 1K 1 sctp_vrf 1 1K 1 sctp_atky 2 1K 6793 vnet 1 1K 1 acpiintr 1 1K 1 pmc 1 1K 1 filecaps 4 1K 104 cpus 2 1K 2 sctp_athm 2 1K 6274 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 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 30592 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 26 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 19 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 15 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 3232 sctp_iter 0 0K 8 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 8 sctp_aadr 0 0K 0 sctp_stro 0 0K 508 sctp_stri 0 0K 0 sctp_map 0 0K 1016 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 8345 export_host 0 0K 0 cl_savebuf 0 0K 9 biobuf 0 0K 0 aios 0 0K 0 lio 0 0K 0 acl 0 0K 0 mfibuf 0 0K 0 mbuf_tag 0 0K 140 accf 0 0K 0 pts 0 0K 0 ioctlops 0 0K 300 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 646 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 3 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