login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:1267 cpuid = 0 time = 1579706250 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022d05750 vpanic() at vpanic+0x1ce/frame 0xfffffe0022d057c0 panic() at panic+0x43/frame 0xfffffe0022d05820 in_pcbconnect_setup() at in_pcbconnect_setup+0x5b5/frame 0xfffffe0022d058e0 in_pcbconnect_mbuf() at in_pcbconnect_mbuf+0x9f/frame 0xfffffe0022d05940 udp6_connect() at udp6_connect+0x388/frame 0xfffffe0022d059b0 soconnectat() at soconnectat+0x183/frame 0xfffffe0022d05a10 kern_connectat() at kern_connectat+0x1ec/frame 0xfffffe0022d05a70 sys_connect() at sys_connect+0xd9/frame 0xfffffe0022d05ab0 amd64_syscall() at amd64_syscall+0x499/frame 0xfffffe0022d05bf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022d05bf0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x4132ea, rsp = 0x7fffdfffdf38, rbp = 0x3 --- KDB: enter: panic [ thread pid 821 tid 100122 ] Stopped at kdb_enter+0x67: movq $0,0x1466de6(%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 0x28 ll+0x7 rax 0x12 rcx 0xfffffe0026a00000 rdx 0x3ffff rbx 0 rsp 0xfffffe0022d05730 rbp 0xfffffe0022d05750 rsi 0x40001 rdi 0xffffffff810ba276 vprintf+0x176 r8 0 r9 0xffffffff r10 0xffffffff r11 0xfffff8003aa93bd0 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff819363fb r15 0xffffffff819363fb rip 0xffffffff810af337 kdb_enter+0x67 rflags 0x86 ll+0x65 kdb_enter+0x67: movq $0,0x1466de6(%rip) db> show proc Process 821 (syz-executor.1) at 0xfffff80003546a60: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 769 at 0xfffff80003eef000 ABI: FreeBSD ELF64 arguments: /root/syz-executor.1 reaper: 0xfffff800032fa530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003acb5000 (map 0xfffff8003acb5000) (map.pmap 0xfffff8003acb50c0) (pmap 0xfffff8003acb5120) threads: 2 100072 RunQ syz-executor.1 100122 Run CPU 0 syz-executor.1 db> ps pid ppid pgrp uid state wmesg wchan cmd 821 769 769 0 R (threaded) syz-executor.1 100072 RunQ syz-executor.1 100122 Run CPU 0 syz-executor.1 820 771 771 0 R syz-executor.2 814 804 814 0 Ss select 0xfffff80003c8cbc0 dhclient 810 1 810 0 Ss select 0xfffff80003c8cb40 dhclient 804 792 422 65 S select 0xfffff80003c8cc40 dhclient 795 770 770 0 R (threaded) syz-executor.3 100079 Run CPU 1 syz-executor.3 100115 S select 0xfffff8003ad0d6c0 syz-executor.3 100116 S sbwait 0xfffff80003eac1d4 syz-executor.3 100119 S sbwait 0xfffff80003ead1d4 syz-executor.3 100121 S uwait 0xfffff80003a4b880 syz-executor.3 792 422 422 0 S wait 0xfffff8003a586530 sh 771 766 771 0 Ss nanslp 0xffffffff824fed20 syz-executor.2 770 766 770 0 Ss nanslp 0xffffffff824fed20 syz-executor.3 769 766 769 0 Rs syz-executor.1 768 766 768 0 Rs syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100104 S uwait 0xfffff80003c9ce00 syz-fuzzer 100105 S uwait 0xfffff80003a50800 syz-fuzzer 100106 S uwait 0xfffff80003a50900 syz-fuzzer 100107 S uwait 0xfffff80003a50a00 syz-fuzzer 100108 S kqread 0xfffff8000333b900 syz-fuzzer 100109 S uwait 0xfffff80003c9ca00 syz-fuzzer 100110 S uwait 0xfffff80003c9cf00 syz-fuzzer 100111 S uwait 0xfffff80003a50300 syz-fuzzer 100112 S uwait 0xfffff80003c9c300 syz-fuzzer 100113 S uwait 0xfffff80003a50400 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003d545d8 csh 762 680 762 0 Ss select 0xfffff80003c8e5c0 sshd 746 1 746 0 Ss+ ttyin 0xfffff800033f7cb0 getty 745 1 745 0 Ss+ ttyin 0xfffff800033facb0 getty 744 1 744 0 Ss+ ttyin 0xfffff80003ac20b0 getty 743 1 743 0 Ss+ ttyin 0xfffff80003ac24b0 getty 742 1 742 0 Ss+ ttyin 0xfffff80003ac28b0 getty 741 1 741 0 Ss+ ttyin 0xfffff80003ac2cb0 getty 740 1 740 0 Ss+ ttyin 0xfffff80003ac10b0 getty 739 1 739 0 Ss+ ttyin 0xfffff80003ac14b0 getty 738 1 738 0 Ss+ ttyin 0xfffff80003ac18b0 getty 736 1 22 0 S+ piperd 0xfffff80003d59000 logger 735 734 22 0 S+ nanslp 0xffffffff824fed20 sleep 734 1 22 0 S+ wait 0xfffff80003ee0530 sh 684 1 684 0 Ss nanslp 0xffffffff824fed21 cron 680 1 680 0 Ss select 0xfffff80003cf00c0 sshd 493 1 493 0 Ss select 0xfffff80003c8e540 syslogd 422 1 422 0 Ss wait 0xfffff80003db5a60 devd 421 1 421 65 Ss select 0xfffff80003c8dc40 dhclient 336 1 336 0 Ss select 0xfffff80003c8e4c0 dhclient 333 1 333 0 Ss select 0xfffff80003cf0040 dhclient 21 0 0 0 DL syncer 0xffffffff825d5198 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b07000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4698 [bufdaemon] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100080 D sdflush 0xfffff80003cc48e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f0108 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261d058 [dom0] 100068 D launds 0xffffffff8261d064 [laundry: dom0] 100069 D umarcl 0xffffffff8153ce90 [uma] 16 0 0 0 DL - 0xffffffff823595b0 [rand_harvestq] 15 0 0 0 DL waiting 0xffffffff82662620 [sctp_iterator] 9 0 0 0 DL - 0xffffffff825d409c [soaiod4] 8 0 0 0 DL - 0xffffffff825d409c [soaiod3] 7 0 0 0 DL - 0xffffffff825d409c [soaiod2] 6 0 0 0 DL - 0xffffffff825d409c [soaiod1] 5 0 0 0 DL (threaded) [cam] 100031 D - 0xffffffff822349c0 [doneq0] 100062 D - 0xffffffff82234888 [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_ 0xffffffff825ea178 [crypto] 14 0 0 0 DL seqstat 0xfffff80003362888 [sequencer 00] 13 0 0 0 DL (threaded) [geom] 100022 D - 0xffffffff8261b688 [g_event] 100023 D - 0xffffffff8261b698 [g_up] 100024 D - 0xffffffff8261b690 [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 0xffffffff826632b0 [audit] 0 0 0 0 DLs (threaded) [kernel] 100000 D swapin 0xffffffff82609c78 [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 0xfffff800034d6400 [virtio_balloon] 100050 D - 0xfffff8000333bb00 [mca taskq] 100055 D - 0xffffffff81cd9d51 [deadlkres] 100057 D - 0xfffff80003b38100 [acpi_task_0] 100058 D - 0xfffff80003b38100 [acpi_task_1] 100059 D - 0xfffff80003b38100 [acpi_task_2] 100061 D - 0xfffff8000333c100 [CAM taskq] 819 768 768 0 Z ndp db> show all locks Process 821 (syz-executor.1) thread 0xfffff8003aa936e0 (100122) exclusive sleep mutex pcbinfohash (pcbinfohash) r = 0 (0xfffffe0004959ad8) locked @ /syzkaller/managers/main/kernel/sys/netinet6/udp6_usrreq.c:1218 exclusive rw udpinp (udpinp) r = 0 (0xfffff80003e697c0) locked @ /syzkaller/managers/main/kernel/sys/netinet6/udp6_usrreq.c:1194 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4238 vtbuf 24 1968K 46 sysctloid 26527 1553K 26591 kobj 331 1324K 487 newblk 553 1162K 596 vfscache 4 1025K 4 inodedep 69 546K 93 pcb 23 537K 80 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 120 256K 886 acpica 1674 185K 49750 vnet_data 1 168K 1 pagedep 25 134K 31 filedesc 19 133K 69 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 221 89K 252 bus 986 79K 3330 mtx_pool 2 72K 2 syncache 1 68K 1 acpitask 1 64K 1 ddb_capture 1 64K 1 module 493 62K 493 BPF 22 36K 22 gtaskqueue 22 34K 22 kdtrace 176 34K 1709 hostcache 1 32K 1 shm 1 32K 1 umtx 252 32K 252 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 71 24K 73 kbdmux 6 22K 6 lltable 47 18K 47 temp 34 17K 1826 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 vmem 3 11K 4 eventhandler 123 11K 123 in6_multi 89 11K 89 pfs_nodes 20 10K 20 GEOM 60 10K 487 rman 82 10K 423 bmsafemap 3 9K 60 devstat 4 9K 4 UART 12 9K 12 rpc 2 8K 2 shmfd 1 8K 1 pfs_vncache 1 8K 1 audit_evclass 231 8K 289 cred 28 7K 201 routetbl 58 7K 62 CAM DEV 3 6K 508 diradd 48 6K 61 kqueue 58 6K 826 plimit 22 6K 348 vt 11 6K 11 sglist 5 6K 5 CAM queue 5 6K 1522 ufs_dirhash 24 5K 24 DEVFSP 72 5K 76 taskqueue 42 5K 42 memdesc 1 4K 1 MCA 32 4K 32 evdev 4 4K 4 kcovinfo 64 4K 68 ip6ndp 20 4K 21 UMA 234 4K 234 session 26 4K 35 pgrp 26 4K 35 hhook 13 4K 13 acpisem 22 3K 22 terminal 11 3K 11 mkdir 21 3K 40 proc-args 48 3K 538 indirdep 10 3K 10 select 19 3K 19 uidinfo 4 3K 4 dirrem 18 3K 29 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 lockf 19 2K 29 Unitno 29 2K 45 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 vnodemarker 2 1K 8 NFSD session 1 1K 1 newdirblk 15 1K 20 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 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 inpcbpolicy 15 1K 170 encap_export_host 8 1K 8 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 5 1K 5730 CAM path 4 1K 1030 apmdev 1 1K 1 atkbddev 2 1K 2 freefile 1 1K 10 pmchooks 1 1K 1 prison 4 1K 4 filecaps 5 1K 72 CAM dev queue 2 1K 2 CAM I/O Scheduler 1 1K 1 nexusdev 5 1K 5 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 freework 1 1K 27 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 1833 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 13 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 2 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 freeblks 0 0K 26 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 0 sctp_iter 0 0K 9 sctp_mvrf 0 0K 0 sctp_timw 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 0 sctp_atky 0 0K 0 sctp_atcl 0 0K 0 sctp_a_it 0 0K 9 sctp_aadr 0 0K 0 sctp_stro 0 0K 0 sctp_stri 0 0K 0 sctp_map 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 189 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 13537 ioctlops 0 0K 98 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 579 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