panic: Most recently used by ip6opt cpuid = 1 time = 728 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0023f9e7c0 vpanic() at vpanic+0x1ce/frame 0xfffffe0023f9e830 panic() at panic+0x43/frame 0xfffffe0023f9e890 mtrash_ctor() at mtrash_ctor+0xe4/frame 0xfffffe0023f9e8d0 item_ctor() at item_ctor+0x49b/frame 0xfffffe0023f9e940 uma_zalloc_arg() at uma_zalloc_arg+0x213/frame 0xfffffe0023f9e9a0 malloc() at malloc+0xd9/frame 0xfffffe0023f9ea10 copyiniov() at copyiniov+0x54/frame 0xfffffe0023f9ea40 sys_recvmsg() at sys_recvmsg+0x5a/frame 0xfffffe0023f9eab0 amd64_syscall() at amd64_syscall+0x2f4/frame 0xfffffe0023f9ebf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0023f9ebf0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x41328a, rsp = 0x7fffdfffdf38, rbp = 0x3 --- KDB: enter: panic [ thread pid 7825 tid 100208 ] 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 0x28 ll+0x7 rax 0x12 rcx 0xfffffe002aa00000 rdx 0x3ffff rbx 0 rsp 0xfffffe0023f9e7a0 rbp 0xfffffe0023f9e7c0 rsi 0x40001 rdi 0xffffffff810be636 vprintf+0x176 r8 0 r9 0xffffffff r10 0 r11 0xfffffe00241b5510 r12 0xffffffff82068f60 ddb_dbbe r13 0 r14 0xffffffff8193f714 r15 0xffffffff8193f714 rip 0xffffffff810b36c7 kdb_enter+0x67 rflags 0x86 ll+0x65 kdb_enter+0x67: movq $0,0x14639f6(%rip) db> show proc Process 7825 (syz-executor.2) at 0xfffff800129c2530: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 807 at 0xfffff800129c2a60 ABI: FreeBSD ELF64 arguments: /root/syz-executor.2 reaper: 0xfffff800032f1000 reapsubtree: 1 sigparent: 20 vmspace: 0xfffffe00241699e8 (map 0xfffffe00241699e8) (map.pmap 0xfffffe0024169aa8) (pmap 0xfffffe0024169b08) threads: 2 100124 RunQ syz-executor.2 100208 Run CPU 1 syz-executor.2 db> ps pid ppid pgrp uid state wmesg wchan cmd 7827 769 769 0 R (threaded) syz-executor.1 100086 RunQ syz-executor.1 100212 RunQ syz-executor.1 7826 775 775 0 R (threaded) syz-executor.3 100243 Run CPU 0 syz-executor.3 100200 S sbwait 0xfffffe0003d8ea8c syz-executor.3 7825 807 807 0 R (threaded) syz-executor.2 100124 RunQ syz-executor.2 100208 Run CPU 1 syz-executor.2 7824 768 768 0 R (threaded) syz-executor.0 100441 RunQ syz-executor.0 100185 S sbwait 0xfffffe0003dbdc6c syz-executor.0 810 799 810 0 Ss select 0xfffff800120cbd40 dhclient 807 766 807 0 Rs syz-executor.2 805 1 805 0 Ss select 0xfffff800120cbcc0 dhclient 799 789 422 65 S select 0xfffff80003d0fdc0 dhclient 789 422 422 0 S wait 0xfffff800033df530 sh 775 766 775 0 Rs syz-executor.3 769 766 769 0 Ss nanslp 0xffffffff824ffcc0 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824ffcc0 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100077 S uwait 0xfffff80003bb4c00 syz-fuzzer 100099 S uwait 0xfffff80003d11500 syz-fuzzer 100100 S uwait 0xfffff80003d11600 syz-fuzzer 100101 S uwait 0xfffff80003d11700 syz-fuzzer 100102 S uwait 0xfffff80003379f00 syz-fuzzer 100103 S kqread 0xfffff800031eab00 syz-fuzzer 100104 S uwait 0xfffff80003d0f980 syz-fuzzer 100105 S uwait 0xfffff8000337c180 syz-fuzzer 100106 S uwait 0xfffff80003d0fa80 syz-fuzzer 100107 S uwait 0xfffff80003d0fb80 syz-fuzzer 100108 S uwait 0xfffff80003d0fc80 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003c8a5d8 csh 762 680 762 0 Ss select 0xfffff800120c9040 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 0xffffffff824ffcc1 cron 680 1 680 0 Ss select 0xfffff80003d0e840 sshd 493 1 493 0 Ss select 0xfffff800120cadc0 syslogd 422 1 422 0 Ss wait 0xfffff80003d8f000 devd 421 1 421 65 Ss select 0xfffff800120cae40 dhclient 336 1 336 0 Ss select 0xfffff800120c9140 dhclient 333 1 333 0 Ss select 0xfffff800120caec0 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] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100079 D sdflush 0xfffff8000351f8e8 [/ worker] 18 0 0 0 DL psleep 0xffffffff825f10c8 [vmdaemon] 17 0 0 0 DL (threaded) [pagedaemon] 100063 D psleep 0xffffffff8261cfd8 [dom0] 100068 D launds 0xffffffff8261cfe4 [laundry: dom0] 100069 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 - 0xffffffff81ce3670 [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 Process 7826 (syz-executor.3) thread 0xfffffe0024160100 (100200) exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffffe0003d8ea30) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:393 db> show malloc Type InUse MemUse Requests devbuf 4213 4851K 4241 vtbuf 24 1968K 46 sysctloid 25931 1511K 25995 kobj 332 1328K 488 newblk 13 1027K 13915 vfscache 4 1025K 4 pcb 23 537K 2538 inodedep 22 523K 8191 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 126 249K 7901 acpica 1674 185K 50140 vnet_data 1 168K 1 filedesc 21 149K 14063 pagedep 9 130K 7101 tfo_ccache 1 128K 1 sem 4 106K 4 DEVFS1 105 105K 122 linker 222 89K 253 bus 988 79K 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 BPF 22 36K 22 gtaskqueue 22 34K 22 kdtrace 170 33K 37574 hostcache 1 32K 1 shm 1 32K 45 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 71 24K 73 vmem 3 22K 4 kbdmux 6 22K 6 lltable 47 18K 48 temp 34 17K 1912 cred 67 17K 1688 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 182 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 8340 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 232 8K 290 select 52 7K 52 CAM DEV 3 6K 510 kqueue 55 6K 7832 vt 11 6K 11 plimit 21 6K 517 sglist 5 6K 5 CAM queue 5 6K 1528 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 UMA 235 4K 235 hhook 13 4K 13 session 25 4K 38 pgrp 25 4K 42 acpisem 22 3K 22 dirrem 11 3K 7701 terminal 11 3K 11 uidinfo 6 3K 8 freework 11 3K 9435 freeblks 10 3K 7693 lockf 24 3K 328 proc-args 44 3K 552 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 ip6ndp 12 2K 21 ip6opt 15 2K 3511 Unitno 30 2K 41707 freefile 13 2K 7698 CAM XPT 22 2K 543 in_multi 6 2K 8 acpidev 20 2K 20 crypto 2 2K 2 msi 9 2K 9 tun 7 2K 7 softdep 1 1K 1 mkdir 8 1K 14048 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_timw 4 1K 4 clone 8 1K 8 vnodemarker 2 1K 280 NFSD session 1 1K 1 CAM periph 4 1K 271 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 pwd 19 1K 7109 CAM SIM 2 1K 2 newdirblk 4 1K 7024 diradd 4 1K 7735 pfil 4 1K 4 chacha20random 1 1K 1 epoch 4 1K 4 cdev 2 1K 2 encap_export_host 8 1K 8 inpcbpolicy 11 1K 20163 osd 3 1K 9 vnodes 1 1K 2 iov 2 1K 28137 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 5997 nexusdev 5 1K 5 entropy 2 1K 38 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 filecaps 2 1K 76 p1003.1b 1 1K 1 CAM CCB 0 0K 20123 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 4221 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 142 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 487 allocindir 0 0K 0 indirdep 0 0K 874 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 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 1068 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 1161 sctp_atky 0 0K 1165 sctp_atcl 0 0K 1161 sctp_a_it 0 0K 10 sctp_aadr 0 0K 0 sctp_stro 0 0K 4 sctp_stri 0 0K 0 sctp_map 0 0K 8 newreno data 0 0K 0 ip_msource 0 0K 0 ip_moptions 0 0K 6 in_mfilter 0 0K 2 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 7205 export_host 0 0K 0 cl_savebuf 0 0K 231 biobuf 0 0K 0 aios 0 0K 0 lio 0 0K 0 acl 0 0K 0 mfibuf 0 0K 0 mbuf_tag 0 0K 114 accf 0 0K 0 pts 0 0K 0 ioctlops 0 0K 363 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 585 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 20 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