panic: mtx_lock() of destroyed mutex @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:316 cpuid = 1 time = 1580399288 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024500720 vpanic() at vpanic+0x1ce/frame 0xfffffe0024500790 panic() at panic+0x43/frame 0xfffffe00245007f0 __mtx_lock_flags() at __mtx_lock_flags+0x1e3/frame 0xfffffe0024500850 soo_stat() at soo_stat+0x13b/frame 0xfffffe0024500890 kern_fstat() at kern_fstat+0xed/frame 0xfffffe00245008e0 freebsd32_fstat() at freebsd32_fstat+0x2b/frame 0xfffffe0024500ab0 ia32_syscall() at ia32_syscall+0x48c/frame 0xfffffe0024500bf0 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x81426a9 KDB: enter: panic [ thread pid 1712 tid 100173 ] Stopped at kdb_enter+0x67: movq $0,0x1466dc6(%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 0xfffffe0029200000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024500700 rbp 0xfffffe0024500720 rsi 0x40001 rdi 0xffffffff810ba216 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffff8003abe74f0 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff81938b68 r15 0xffffffff81938b68 rip 0xffffffff810af2d7 kdb_enter+0x67 rflags 0x200086 kernphys+0x86 kdb_enter+0x67: movq $0,0x1466dc6(%rip) db> show proc Process 1712 (syz-executor.2) at 0xfffff8003aceb000: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 787 at 0xfffff80003de1000 ABI: FreeBSD ELF32 arguments: /root/syz-executor.2 reaper: 0xfffff800032fa530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003ae51000 (map 0xfffff8003ae51000) (map.pmap 0xfffff8003ae510c0) (pmap 0xfffff8003ae51120) threads: 4 100188 RunQ syz-executor.2 100162 S accept 0xfffff80003e84878 syz-executor.2 100166 Run CPU 0 syz-executor.2 100173 Run CPU 1 syz-executor.2 db> ps pid ppid pgrp uid state wmesg wchan cmd 1716 768 768 0 S (threaded) syz-executor.0 100241 S nanslp 0xffffffff824feca0 syz-executor.0 100171 S accept 0xfffff80003e80c00 syz-executor.0 100172 S uwait 0xfffff80003300580 syz-executor.0 1715 769 769 0 S (threaded) syz-executor.1 100158 S nanslp 0xffffffff824feca0 syz-executor.1 100167 S accept 0xfffff80003eeb878 syz-executor.1 100169 S uwait 0xfffff80003e03700 syz-executor.1 1714 793 793 0 R (threaded) syz-executor.3 101171 RunQ syz-executor.3 100164 S msgrcv 0xfffffe0004cf7f00 syz-executor.3 100165 S uwait 0xfffff80003a4a180 syz-executor.3 100168 S uwait 0xfffff80003300780 syz-executor.3 1712 787 787 0 R (threaded) syz-executor.2 100188 RunQ syz-executor.2 100162 S accept 0xfffff80003e84878 syz-executor.2 100166 Run CPU 0 syz-executor.2 100173 Run CPU 1 syz-executor.2 807 798 807 0 Ss select 0xfffff80003d1fc40 dhclient 801 1 801 0 Ss select 0xfffff80003d1ca40 dhclient 798 789 422 65 S select 0xfffff8003a24e5c0 dhclient 793 766 793 0 Ss nanslp 0xffffffff824feca1 syz-executor.3 789 422 422 0 S wait 0xfffff8003a818530 sh 787 766 787 0 Ss nanslp 0xffffffff824feca1 syz-executor.2 769 766 769 0 Ss nanslp 0xffffffff824feca1 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824feca1 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100099 S uwait 0xfffff80003a48200 syz-fuzzer 100100 S uwait 0xfffff80003e02580 syz-fuzzer 100101 S uwait 0xfffff80003e02600 syz-fuzzer 100102 S kqread 0xfffff80003b35000 syz-fuzzer 100103 S uwait 0xfffff80003e02c80 syz-fuzzer 100104 S uwait 0xfffff80003a46b80 syz-fuzzer 100105 S uwait 0xfffff80003e02d80 syz-fuzzer 100106 S uwait 0xfffff80003e03200 syz-fuzzer 100107 S uwait 0xfffff80003a46c80 syz-fuzzer 100109 S uwait 0xfffff80003a46e80 syz-fuzzer 100111 S uwait 0xfffff80003e01e00 syz-fuzzer 764 762 764 0 Ss pause 0xfffff8003a8180a8 csh 762 680 762 0 Ss select 0xfffff8003a24e6c0 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033f7cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff800033f8cb0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003abb0b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003abb4b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003abb8b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003abbcb0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003abc0b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003abc4b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003abc8b0 getty 684 1 684 0 Ss nanslp 0xffffffff824feca0 cron 680 1 680 0 Ss select 0xfffff8003a24ef40 sshd 493 1 493 0 Ss select 0xfffff8003a24e840 syslogd 422 1 422 0 Ss wait 0xfffff80003e3b530 devd 421 1 421 65 Ss select 0xfffff80003d1d440 dhclient 336 1 336 0 Ss select 0xfffff8003a24f140 dhclient 333 1 333 0 Ss select 0xfffff80003d1d3c0 dhclient 21 0 0 0 DL vlruwt 0xfffff80003afda60 [vnlru] 20 0 0 0 DL syncer 0xffffffff825d5118 [syncer] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4618 [bufdaemon] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100082 D sdflush 0xfffff80003cef8e8 [/ 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 0xffffffff8153e730 [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] 100053 D - 0xffffffff81cdcb30 [deadlkres] 100057 D - 0xfffff80003b35100 [acpi_task_0] 100058 D - 0xfffff80003b35100 [acpi_task_1] 100059 D - 0xfffff80003b35100 [acpi_task_2] 100061 D - 0xfffff8000333c100 [CAM taskq] db> show all locks Process 1712 (syz-executor.2) thread 0xfffff8003abe76e0 (100166) exclusive sleep mutex eventhandler (eventhandler) r = 0 (0xffffffff82515260) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_eventhandler.c:271 exclusive sleep mutex socket (socket) r = 0 (0xfffff80003e81710) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_usrreq.c:483 exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8003a6523f0) 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 26527 1553K 26591 kobj 332 1328K 488 newblk 536 1158K 1554 vfscache 4 1025K 4 inodedep 138 581K 1000 pcb 35 546K 397 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 126 249K 1790 acpica 1674 185K 49750 vnet_data 1 168K 1 filedesc 21 149K 1857 pagedep 16 132K 928 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 988 79K 3332 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 494 62K 494 umtx 312 39K 312 BPF 22 36K 22 kdtrace 176 35K 4589 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 71 24K 73 kbdmux 6 22K 6 vmem 3 19K 4 lltable 47 18K 47 temp 34 17K 1839 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 freefile 109 14K 929 dirrem 107 14K 931 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 cred 38 10K 228 bmsafemap 2 9K 965 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 sctp_timw 23 6K 23 kqueue 55 6K 1721 vt 11 6K 11 plimit 21 6K 349 sglist 5 6K 5 CAM queue 5 6K 1528 ufs_dirhash 24 5K 24 DEVFSP 72 5K 76 taskqueue 42 5K 42 select 34 5K 34 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 UMA 234 4K 234 hhook 13 4K 13 session 25 4K 35 pgrp 25 4K 35 acpisem 22 3K 22 terminal 11 3K 11 indirdep 10 3K 52 sctp_atcl 5 3K 142 uidinfo 5 3K 5 proc-args 44 3K 541 diradd 18 3K 964 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 mkdir 16 2K 1832 ipsec-saq 2 2K 2 lockf 19 2K 29 ip6ndp 12 2K 21 Unitno 28 2K 169 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 freework 5 2K 949 freeblks 4 1K 924 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_stro 1 1K 54 clone 8 1K 8 vnodemarker 2 1K 12 NFSD session 1 1K 1 CAM periph 4 1K 271 newdirblk 12 1K 916 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 softdep 1 1K 1 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 345 osd 3 1K 9 vnodes 1 1K 1 NFSD lckfile 1 1K 1 NFSD V4client 1 1K 1 DEVFS 9 1K 10 sctp_atky 6 1K 196 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 5887 nexusdev 5 1K 5 sctp_athm 5 1K 142 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 sctp_map 2 1K 108 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 filecaps 2 1K 72 p1003.1b 1 1K 1 CAM CCB 0 0K 2105 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 428 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 5 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 3 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 123 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 mpr 0 0K 0 statfs 0 0K 1087 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 111 accf 0 0K 0 pts 0 0K 0 iov 0 0K 13587 ioctlops 0 0K 106 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 582 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