login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/netinet/ip_output.c:325 cpuid = 0 time = 1579702052 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024541490 vpanic() at vpanic+0x1ce/frame 0xfffffe0024541500 panic() at panic+0x43/frame 0xfffffe0024541560 ip_output() at ip_output+0x2558/frame 0xfffffe0024541700 sctp_lowlevel_chunk_output() at sctp_lowlevel_chunk_output+0x101c/frame 0xfffffe0024541850 sctp_send_initiate() at sctp_send_initiate+0xa53/frame 0xfffffe0024541950 sctp_connect() at sctp_connect+0x4b1/frame 0xfffffe00245419b0 soconnectat() at soconnectat+0x183/frame 0xfffffe0024541a10 kern_connectat() at kern_connectat+0x1ec/frame 0xfffffe0024541a70 sys_connect() at sys_connect+0xd9/frame 0xfffffe0024541ab0 amd64_syscall() at amd64_syscall+0x499/frame 0xfffffe0024541bf0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024541bf0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x4132ea, rsp = 0x7fffdfffdf38, rbp = 0x3 --- KDB: enter: panic [ thread pid 1090 tid 100946 ] 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 0xfffffe0024a00000 rdx 0x3ffff rbx 0 rsp 0xfffffe0024541470 rbp 0xfffffe0024541490 rsi 0x40001 rdi 0xffffffff810ba276 vprintf+0x176 r8 0 r9 0xffffffff r10 0x6d86 ll+0x6d65 r11 0x2f94c674 r12 0xffffffff82068d90 ddb_dbbe r13 0 r14 0xffffffff819363fb r15 0xffffffff819363fb rip 0xffffffff810af337 kdb_enter+0x67 rflags 0x82 ll+0x61 kdb_enter+0x67: movq $0,0x1466de6(%rip) db> show proc Process 1090 (syz-executor.0) at 0xfffff8003abac530: state: NORMAL uid: 0 gids: 0, 0, 5 parent: pid 768 at 0xfffff80003ded000 ABI: FreeBSD ELF64 arguments: /root/syz-executor.0 reaper: 0xfffff800032fa530 reapsubtree: 1 sigparent: 20 vmspace: 0xfffff8003ae09000 (map 0xfffff8003ae09000) (map.pmap 0xfffff8003ae090c0) (pmap 0xfffff8003ae09120) threads: 4 100115 RunQ syz-executor.0 100946 Run CPU 0 syz-executor.0 100948 S sbwait 0xfffff80003eea8e4 syz-executor.0 100950 S uwait 0xfffff80003a49c00 syz-executor.0 db> ps pid ppid pgrp uid state wmesg wchan cmd 1091 771 771 0 R (threaded) syz-executor.2 100536 Run CPU 1 syz-executor.2 100949 S select 0xfffff8003ac50440 syz-executor.2 1090 768 768 0 R (threaded) syz-executor.0 100115 RunQ syz-executor.0 100946 Run CPU 0 syz-executor.0 100948 S sbwait 0xfffff80003eea8e4 syz-executor.0 100950 S uwait 0xfffff80003a49c00 syz-executor.0 1089 769 769 0 S (threaded) syz-executor.1 100114 S nanslp 0xffffffff824fed21 syz-executor.1 100943 S select 0xfffff8003ac50840 syz-executor.1 100944 S uwait 0xfffff80003db3100 syz-executor.1 100947 S uwait 0xfffff80003db3a80 syz-executor.1 1088 776 776 0 S (threaded) syz-executor.3 100874 S nanslp 0xffffffff824fed20 syz-executor.3 100941 S select 0xfffff80003ce6a40 syz-executor.3 100942 S uwait 0xfffff80003e09000 syz-executor.3 100945 S uwait 0xfffff80003a49800 syz-executor.3 824 811 824 0 Ss select 0xfffff8003ac50940 dhclient 814 1 814 0 Ss select 0xfffff80003ce9240 dhclient 811 798 422 65 S select 0xfffff8003ac509c0 dhclient 798 422 422 0 S wait 0xfffff8003abab000 sh 776 766 776 0 Ss nanslp 0xffffffff824fed21 syz-executor.3 771 766 771 0 Rs syz-executor.2 769 766 769 0 Ss nanslp 0xffffffff824fed21 syz-executor.1 768 766 768 0 Ss nanslp 0xffffffff824fed20 syz-executor.0 766 764 764 0 S (threaded) syz-fuzzer 100084 S uwait 0xfffff80003e08a00 syz-fuzzer 100096 S uwait 0xfffff80003a48100 syz-fuzzer 100097 S uwait 0xfffff80003a48200 syz-fuzzer 100098 S uwait 0xfffff80003a46280 syz-fuzzer 100099 S uwait 0xfffff80003a46380 syz-fuzzer 100100 S uwait 0xfffff80003e09800 syz-fuzzer 100101 S uwait 0xfffff80003a46480 syz-fuzzer 100102 S kqread 0xfffff8000333b800 syz-fuzzer 100103 S uwait 0xfffff80003a46580 syz-fuzzer 100104 S uwait 0xfffff80003e09300 syz-fuzzer 764 762 764 0 Ss pause 0xfffff80003f25b08 csh 762 680 762 0 Ss select 0xfffff80003ce8340 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 736 1 22 0 S+ piperd 0xfffff80003d862f8 logger 735 734 22 0 S+ nanslp 0xffffffff824fed20 sleep 734 1 22 0 S+ wait 0xfffff80003f31000 sh 684 1 684 0 Ss nanslp 0xffffffff824fed21 cron 680 1 680 0 Ss select 0xfffff80003ce83c0 sshd 493 1 493 0 Ss select 0xfffff80003ce8b40 syslogd 422 1 422 0 Ss wait 0xfffff80003544a60 devd 421 1 421 65 Ss select 0xfffff80003ce8440 dhclient 336 1 336 0 Ss select 0xfffff80003ce8940 dhclient 333 1 333 0 Ss select 0xfffff80003ceb8c0 dhclient 21 0 0 0 DL syncer 0xffffffff825d5198 [syncer] 20 0 0 0 DL vlruwt 0xfffff80003b01000 [vnlru] 19 0 0 0 DL (threaded) [bufdaemon] 100065 D qsleep 0xffffffff825d4698 [bufdaemon] 100070 D - 0xffffffff8200a980 [bufspacedaemon-0] 100081 D sdflush 0xfffff80003cf88e8 [/ 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 0xfffff800034d4400 [virtio_balloon] 100050 D - 0xfffff8000333bb00 [mca taskq] 100054 D - 0xffffffff81cd9d50 [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 1090 (syz-executor.0) thread 0xfffff8003abf96e0 (100946) exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffff8003af77928) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:4370 exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8003adfae88) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_usrreq.c:7038 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 1569 vfscache 4 1025K 4 inodedep 192 608K 453 pcb 25 539K 409 ufs_quota 1 512K 1 vfs_hash 1 512K 1 callout 2 512K 2 intr 4 388K 4 subproc 129 261K 1165 acpica 1674 185K 49750 vnet_data 1 168K 1 filedesc 21 149K 609 pagedep 19 133K 317 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 umtx 300 38K 300 BPF 22 36K 22 kdtrace 181 35K 3069 gtaskqueue 22 34K 22 hostcache 1 32K 1 shm 1 32K 1 DEVFS3 124 31K 134 msg 4 30K 4 DEVFS_RULE 56 27K 56 ifaddr 71 24K 73 kbdmux 6 22K 6 freefile 159 20K 366 vmem 3 19K 4 dirrem 149 19K 372 lltable 47 18K 47 temp 34 17K 1885 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 3 9K 417 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 sctp_timw 27 7K 27 CAM DEV 3 6K 508 kqueue 58 6K 1096 plimit 22 6K 348 vt 11 6K 11 select 43 6K 43 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 UMA 234 4K 234 diradd 30 4K 405 session 26 4K 35 pgrp 26 4K 35 hhook 13 4K 13 acpisem 22 3K 22 terminal 11 3K 11 proc-args 47 3K 538 mkdir 20 3K 612 indirdep 10 3K 30 uidinfo 4 3K 4 sctp_ifa 17 3K 17 local_apic 1 2K 1 io_apic 1 2K 1 ipsec-saq 2 2K 2 lockf 19 2K 316 ip6ndp 12 2K 21 CAM XPT 22 2K 541 in_multi 6 2K 7 Unitno 25 2K 45 acpidev 20 2K 20 crypto 2 2K 2 msi 9 2K 9 tun 7 2K 7 freework 5 2K 591 newdirblk 16 1K 306 freeblks 4 1K 350 ipsecpolicy 1 1K 1 sahead 1 1K 1 secasvar 1 1K 1 sctp_atcl 2 1K 203 sctp_stro 1 1K 51 clone 8 1K 8 vnodemarker 2 1K 10 NFSD session 1 1K 1 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 962 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 CAM path 4 1K 1030 apmdev 1 1K 1 atkbddev 2 1K 2 sctp_atky 3 1K 254 soname 5 1K 5812 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 sctp_athm 2 1K 203 sctp_map 2 1K 102 vnet_data_free 1 1K 1 Per-cpu 1 1K 1 p1003.1b 1 1K 1 CAM CCB 0 0K 2087 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 34 sentinel 0 0K 0 jfsync 0 0K 0 jtrunc 0 0K 0 sbdep 0 0K 3 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 158 sctp_iter 0 0K 9 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 9 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 475 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 13987 ioctlops 0 0K 97 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 583 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