Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer	= 0x20:0xffffffff81062262
stack pointer	        = 0x28:0xfffffe00037ab1f0
frame pointer	        = 0x28:0xfffffe00037ab270
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 12 (swi1: netisr 0)
trap number		= 9
panic: general protection fault
cpuid = 0
time = 1611343180
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00037aaec0
vpanic() at vpanic+0x1c7/frame 0xfffffe00037aaf20
panic() at panic+0x43/frame 0xfffffe00037aaf80
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe00037ab000
trap() at trap+0xf7/frame 0xfffffe00037ab120
calltrap() at calltrap+0x8/frame 0xfffffe00037ab120
--- trap 0x9, rip = 0xffffffff81062262, rsp = 0xfffffe00037ab1f0, rbp = 0xfffffe00037ab270 ---
__mtx_lock_sleep() at __mtx_lock_sleep+0x172/frame 0xfffffe00037ab270
__mtx_lock_flags() at __mtx_lock_flags+0x150/frame 0xfffffe00037ab2d0
sctp_process_control() at sctp_process_control+0x2664/frame 0xfffffe00037ab750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe00037ab8e0
sctp_input_with_port() at sctp_input_with_port+0x308/frame 0xfffffe00037ab9d0
sctp_input() at sctp_input+0x1f/frame 0xfffffe00037ab9f0
ip_input() at ip_input+0x388/frame 0xfffffe00037aba90
swi_net() at swi_net+0x20d/frame 0xfffffe00037abb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe00037abbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe00037abbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00037abbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100022 ]
Stopped at      kdb_enter+0x67: movq    $0,0x145261e(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff81911d88
rbx                          0
rsp         0xfffffe00037aaea0
rbp         0xfffffe00037aaec0
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10         0xfffffe00037ab48c
r11                       0xbf
r12         0xffffffff82067650  ddb_dbbe
r13                          0
r14         0xffffffff819ba24c
r15         0xffffffff819ba24c
rip         0xffffffff8110d167  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x145261e(%rip)
db> show proc
Process 12 (intr) at 0xfffff8000446aa50:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82512cb0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff82512cb0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff82513900
   (map 0xffffffff82513900)
   (map.pmap 0xffffffff825139c0)
   (pmap 0xffffffff82513a20)
 threads: 23
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100020                   I                                   [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 0                       [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
33034   845   845     0  R       (threaded)                  syz-executor.1
100115                   Run     CPU 1                       syz-executor.1
132288                   RunQ                                syz-executor.1
17139 17112 17139     0  Ss      select  0xfffff8001898c940  dhclient
17115     1 17115     0  Ss      select  0xfffff8001898c9c0  dhclient
17112 17097   436    65  S       select  0xfffff8001898cac0  dhclient
17097   436   436     0  S       wait    0xfffff80004e67528  sh
17084     1 17084    65  Ss      select  0xfffff800183720c0  dhclient
  871     1   871     0  Ss      select  0xfffff8001898cc40  dhclient
  859     1   859     0  Ss      select  0xfffff800182771c0  dhclient
  845   813   845     0  Ss      nanslp  0xffffffff82532ee1  syz-executor.1
  828   813   828     0  Rs                                  syz-executor.2
  817   813   817     0  Rs                                  syz-executor.3
  815   813   815     0  Ds      getblk  0xfffffe0003856040  syz-executor.0
  813   811   811     0  R       (threaded)                  syz-execprog
100093                   S       uwait   0xfffff80004e93e80  syz-execprog
100105                   RunQ                                syz-execprog
100106                   S       uwait   0xfffff80004e93480  syz-execprog
100107                   S       uwait   0xfffff80004e93580  syz-execprog
100108                   S       uwait   0xfffff8001852ad00  syz-execprog
100109                   S       uwait   0xfffff80004e93a00  syz-execprog
100110                   RunQ                                syz-execprog
100111                   S       uwait   0xfffff8001852a280  syz-execprog
100112                   S       uwait   0xfffff8001852a380  syz-execprog
100113                   S       uwait   0xfffff80004e93900  syz-execprog
100114                   S       kqread  0xfffff800183a4a00  syz-execprog
  811   809   811     0  Ss      pause   0xfffff80004e96b00  csh
  809   694   809     0  Ss      select  0xfffff80018372940  sshd
  760     1   760     0  Ss+     ttyin   0xfffff800048e5cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80004c15cb0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004ba20b0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004ba24b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004ba28b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004ba2cb0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004b270b0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b274b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004b278b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff82532ee0  cron
  694     1   694     0  Ss      select  0xfffff80018372bc0  sshd
  507     1   507     0  Ss      select  0xfffff80018372d40  syslogd
  436     1   436     0  Ss      wait    0xfffff80004fbb528  devd
  435     1   435    65  Ss      select  0xfffff80004f97040  dhclient
  350     1   350     0  Ss      select  0xfffff80004f973c0  dhclient
  347     1   347     0  Ss      select  0xfffff80018277bc0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004dc1528  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff826223b8  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff826214a0  [bufdaemon]
100075                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100088                   D       sdflush 0xfffff800046988e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82648988  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff8263cdf8  [dom0]
100076                   D       launds  0xffffffff8263ce04  [laundry: dom0]
100077                   D       umarcl  0xffffffff81526170  [uma]
   18     0     0     0  DL      -       0xffffffff82367278  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82e43818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82c04430  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223efc0  [doneq0]
100067                   D       -       0xffffffff8223ee90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004669c88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff8000445eb90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000445eb30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8263a310  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82512720  [g_event]
100026                   D       -       0xffffffff82512728  [g_up]
100027                   D       -       0xffffffff82512730  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004467900  [thr_0]
100019                   D       -       0xfffff80004467980  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100020                   I                                   [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 0                       [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff8000448b528  [init]
   10     0     0     0  DL      audit_w 0xffffffff8263a830  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82512cb0  [swapper]
100005                   D       -       0xfffff8000446de00  [if_config_tqg_0]
100006                   D       -       0xfffff8000446dd00  [softirq_0]
100007                   D       -       0xfffff8000446dc00  [softirq_1]
100008                   D       -       0xfffff8000446db00  [if_io_tqg_0]
100009                   D       -       0xfffff8000446da00  [if_io_tqg_1]
100011                   D       -       0xfffff8000446bd00  [thread taskq]
100012                   D       -       0xfffff8000446bc00  [aiod_kick taskq]
100014                   D       -       0xfffff8000446ba00  [kqueue_ctx taskq]
100015                   D       -       0xfffff8000446b900  [in6m_free taskq]
100017                   D       -       0xfffff8000446b700  [inm_free taskq]
100024                   D       -       0xfffff8000446b600  [firmware taskq]
100028                   D       -       0xfffff8000446b500  [crypto_0]
100029                   D       -       0xfffff8000446b500  [crypto_1]
100044                   D       -       0xfffff8000446b300  [vtnet0 rxq 0]
100045                   D       -       0xfffff8000446b200  [vtnet0 txq 0]
100046                   D       -       0xfffff8000446b100  [vtnet0 rxq 1]
100047                   D       -       0xfffff8000446b000  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004661800  [virtio_balloon]
100053                   D       -       0xfffff800048d2e00  [mca taskq]
100058                   D       -       0xffffffff81d620c1  [deadlkres]
100063                   D       -       0xfffff80004bade00  [acpi_task_0]
100064                   D       -       0xfffff80004bade00  [acpi_task_1]
100065                   D       -       0xfffff80004bade00  [acpi_task_2]
100066                   D       -       0xfffff8000446b400  [CAM taskq]
33031   828   828     0  Z                                   syz-executor.2
db> show all locks
Process 817 (syz-executor.3) thread 0xfffffe00887c3800 (100090)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003856040) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3895
exclusive lockmgr ufs (ufs) r = 0 (0xfffff80004ec6258) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4183
Process 815 (syz-executor.0) thread 0xfffffe00887c1500 (100086)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe00038fbe00) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3895
exclusive lockmgr ufs (ufs) r = 1 (0xfffff8001839b070) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_subr.c:2916
exclusive lockmgr ufs (ufs) r = 0 (0xfffff80004ec6440) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4183
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4244
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30605         1795K        30671
              kobj          329         1316K          490
            newblk            4         1025K        32654
          vfscache            3         1025K            3
          inodedep          661          760K        32283
               pcb           27          541K        64375
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         sctp_timw         1160          290K         1160
           subproc          132          253K        33111
            acpica         1674          184K        58097
            dirrem          733          184K        32175
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            8          130K        64388
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          278          100K          313
          filedesc           12           89K        64349
          freefile          705           89K        32167
               bus          983           80K         3361
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          503           63K          503
               BPF           30           53K           30
              umtx          324           41K          324
           kdtrace          198           39K        65324
              temp           35           33K         2046
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
               msg            4           30K            4
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           70
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           32           14K         1595
           lltable           42           13K           43
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           93           12K           93
      eventhandler          129           11K          129
              GEOM           60           10K          490
              rman           82           10K          423
         in6_multi           65            9K           65
         bmsafemap            2            9K        32214
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
            sglist            5            7K            5
           CAM DEV            3            6K          510
            kqueue           58            6K        33039
            plimit           22            6K          516
              cred           22            6K          331
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
       ufs_dirhash           24            5K           24
          pf_ifnet           10            5K           19
               UMA          260            5K          260
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          routetbl           24            4K           24
           session           28            4K           49
           pwddesc           55            4K        33035
             hhook           13            4K           13
          terminal           11            3K           11
           acpisem           22            3K           22
             lockf           24            3K           52
         proc-args           47            3K          629
             selfd           38            3K        10087
           uidinfo            3            3K           16
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
            Unitno           29            2K           46
          sctp_ifa           13            2K           14
            select           13            2K           40
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          120
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           14
         sctp_atcl            2            1K        94256
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
            DEVFSP           10            1K           10
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
         newdirblk            3            1K        32160
            diradd            3            1K        32213
    chacha20random            1            1K            1
          procdesc            3            1K           10
               osd            3            1K           10
             mkdir            2            1K        64320
       inpcbpolicy            8            1K          177
            vnodes            1            1K            1
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
        aesni_data            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
          freework            1            1K        32168
          pmchooks            1            1K            1
            soname            4            1K        67520
          nexusdev            6            1K            6
          sctp_vrf            1            1K            1
         sctp_atky            2            1K       155715
           entropy            2            1K           47
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
          filecaps            3            1K           91
         sctp_athm            2            1K       123573
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         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_a_it            0            0K           10
         sctp_aadr            0            0K            0
         sctp_stro            0            0K        32142
         sctp_stri            0            0K        59287
          sctp_map            0            0K        64284
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            mqdata            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
            pvscsi            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
              iavf            0            0K            0
               ixl            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
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
           nvme_da            0            0K            0
          xen_intr            0            0K            0
           acpipwr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
             mixer            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
              ac97            0            0K            0
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     vm_fictitious            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
           CAM CCB            0            0K        66869
           UMAHash            0            0K            0
               PUC            0            0K            0
          ppbusdev            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K        75364
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           12
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
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            jmvref            0            0K            0
           jremref            0            0K            0
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          freeblks            0            0K        32167
          freefrag            0            0K            7
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          indirdep            0            0K           10
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agtiapi_MemAlloc malloc            0            0K            0
               NLM            0            0K            0
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               LRO            0            0K            0
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              ipid            0            0K            0
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      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
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       80211crypto            0            0K            0
          80211vap            0            0K            0
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              zlib            0            0K            0
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            statfs            0            0K        32375
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       export_host            0            0K            0
        cl_savebuf            0            0K            4
          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
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            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     698       12249       0     254   36937728        0
              pbuf   2632       0     973           0       0       2    2560936        0
              mbuf    256    8634     591     1548019       0     254    2361600        0
          BUF TRIE    144     170   13298       62334       0      62    1939392        0
       malloc-4096   4096     387       6       34122       0       2    1609728        0
        malloc-384    384    4141       9        4142       0      30    1593600        0
        malloc-128    128   10646      49       11343       0     126    1368960        0
       UMA Slabs 0    112   10139      10       10139       0     126    1136688        0
      mbuf_cluster   2048     480       2         480       0     254     987136        0
        malloc-384    384     685    1505      126588       0      30     840960        0
           sctp_ep   1280       2     514       32144       0     254     660480        0
         FFS inode   1128     516      51       32684       0       9     639576        0
        malloc-256    256     735    1590       64319       0      62     595200        0
            socket    944      26     510       33471       0     254     505984        0
        malloc-256    256     230    1705      108439       0      62     495360        0
         sctp_asoc   2288       0     180       32142       0     254     411840        0
        RADIX NODE    144    2451     234      859427       0      62     386640        0
        sctp_raddr    736       0     517      181992       0     254     380512        0
        256 Bucket   2048     137      19       11074       0       8     319488        0
             VNODE    488     550      90       32720       0      30     312320        0
        malloc-256    256    1199       1        1947       0      62     307200        0
        malloc-128    128     732    1655       35225       0     126     305536        0
         VM OBJECT    264    1071      84      464726       0      30     304920        0
            THREAD   1792     141      21       32288       0       8     290304        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-16384  16384       9       7       32176       0       1     262144        0
            DEVCTL   1024       8     204         129       0       0     217088        0
         malloc-64     64    3316      23        3357       0     254     213696        0
         malloc-16     16   12701     299       12809       0     254     208000        0
      malloc-65536  65536       3       0           3       0       1     196608        0
         UMA Zones    768     232       2         232       0      16     179712        0
         malloc-32     32    5077     215        5176       0     254     169344        0
       FFS2 dinode    256     516     129       32683       0      62     165120        0
        malloc-128    128    1137      72       27165       0     126     154752        0
       S VFS Cache    104    1059     384       33253       0     126     150072        0
       malloc-4096   4096      33       2          48       0       2     143360        0
         MAP ENTRY     96    1132     296      655762       0     126     137088        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          90       0       1     131072        0
      malloc-65536  65536       0       2         132       0       1     131072        0
       malloc-1024   1024     118       6         137       0      16     126976        0
         vmem btag     56    2098     122        2098       0     254     124320        0
       mbuf_packet    256      15     465       93688       0     254     122880        0
        malloc-256    256      30     450       32798       0      62     122880        0
          ksiginfo    112      60     984         154       0     126     116928        0
           VMSPACE   2544      32      13       33013       0       4     114480        0
         64 Bucket    512     135      73       23681       0      30     106496        0
       malloc-2048   2048       3      47       67671       0       8     102400        0
              PROC   1320      55      20       33034       0       8      99000        0
        128 Bucket   1024      61      34        1647       0      16      97280        0
          UMA Kegs    384     218       5         218       0      30      85632        0
            clpbuf   2632       0      32          16       0      16      84224        0
         filedesc0   1072      55      22       33035       0       8      82544        0
        sctp_chunk    152       0     520      147238       0     254      79040        0
        malloc-256    256     156     144       65064       0      62      76800        0
        malloc-128    128     329     260       64662       0     126      75392        0
         malloc-64     64     567     567       34642       0     254      72576        0
         malloc-64     64     550     521       43795       0     254      68544        0
      malloc-32768  32768       0       2         117       0       1      65536        0
       malloc-8192   8192       6       2          34       0       1      65536        0
             g_bio    408       0     160      264973       0      31      65280        0
         32 Bucket    256      90     150        9874       0      62      61440        0
        malloc-128    128     190     275       64897       0     126      59520        0
       malloc-8192   8192       5       2          98       0       1      57344        0
       malloc-2048   2048       3      25       32145       0       8      57344        0
        malloc-128    128     354      49         859       0     126      51584        0
      malloc-16384  16384       3       0           9       0       1      49152        0
       malloc-1024   1024       7      37       32303       0      16      45056        0
        malloc-256    256      31     134       64422       0      62      42240        0
            pcpu-8      8    4566     554        4714       0     254      40960        0
         malloc-64     64      61     569       33089       0     254      40320        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       1      35      142856       0      16      36864        0
        malloc-512    512       4      68       59465       0      30      36864        0
        malloc-384    384      77      13         386       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         153       0       1      32768        0
           pcpu-64     64     456      56         456       0     254      32768        0
             Files     80     137     263       71981       0     126      32000        0
        malloc-384    384      71       9          73       0      30      30720        0
        malloc-256    256      92      28         692       0      62      30720        0
               PWD     32      17     865       32271       0     254      28224        0
         malloc-64     64      84     357       91809       0     254      28224        0
         16 Bucket    144      49     147        1958       0      62      28224        0
          4 Bucket     48       8     580         909       0     254      28224        0
        malloc-256    256      50      55       32268       0      62      26880        0
         TURNSTILE    136     163      26         163       0      62      25704        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       4       2          11       0       2      24576        0
       malloc-4096   4096       1       5       32376       0       2      24576        0
       malloc-1024   1024       2      22          43       0      16      24576        0
       malloc-1024   1024      17       7          23       0      16      24576        0
             KNOTE    160      26     124      190251       0      62      24000        0
            ttyinq    160     135      15         300       0      62      24000        0
          8 Bucket     80      41     259        7855       0     126      24000        0
             tcpcb   1048       3      19           7       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
              pipe    744      21       9         341       0      16      22320        0
       malloc-2048   2048       8       2           8       0       8      20480        0
       malloc-1024   1024      14       6          17       0      16      20480        0
         malloc-64     64     241      74       14750       0     254      20160        0
         malloc-32     32      41     589       32297       0     254      20160        0
         malloc-32     32      88     542       64727       0     254      20160        0
          2 Bucket     32      49     581        5104       0     254      20160        0
        malloc-128    128     120      35         215       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        SLEEPQUEUE     88     163      29         163       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       7       1           7       0       8      16384        0
       malloc-2048   2048       6       2           7       0       8      16384        0
       malloc-2048   2048       4       4         195       0       8      16384        0
        malloc-512    512       1      31         120       0      30      16384        0
         malloc-16     16     267     733      123853       0     254      16000        0
       malloc-4096   4096       1       2           4       0       2      12288        0
       malloc-2048   2048       3       3           4       0       8      12288        0
       malloc-1024   1024       2      10        1167       0      16      12288        0
         malloc-16     16     201     549       65768       0     254      12000        0
         udp_inpcb    488       2      22         164       0     254      11712        0
     routing nhops    256      27      18          34       0      62      11520        0
             unpcb    256      14      31        1121       0     254      11520        0
       malloc-4096   4096       2       0           2       0       2       8192        0
       malloc-2048   2048       1       3          13       0       8       8192        0
       malloc-1024   1024       8       0           8       0      16       8192        0
        malloc-512    512       9       7           9       0      30       8192        0
        malloc-512    512       2      14         510       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
           rtentry    176      30      16          34       0      62       8096        0
              PGRP     88      28      64          49       0     126       8096        0
          rl_entry     40      43     159          43       0     254       8080        0
        sctp_laddr     48       0     168          12       0     254       8064        0
             udpcb     32       2     250         164       0     254       8064        0
         malloc-64     64      12     114          25       0     254       8064        0
         malloc-64     64       3     123          38       0     254       8064        0
         malloc-32     32      62     190         934       0     254       8064        0
         malloc-32     32     120     132        1908       0     254       8064        0
         malloc-32     32      23     229          52       0     254       8064        0
         malloc-32     32      22     230        2835       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1044       0     254       8016        0
         malloc-16     16      16     484          46       0     254       8000        0
         malloc-16     16      32     468       64616       0     254       8000        0
         malloc-16     16      29     471         327       0     254       8000        0
         malloc-16     16       4     496           5       0     254       8000        0
         malloc-16     16      19     481       26320       0     254       8000        0
        malloc-128    128      18      44          64       0     126       7936        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
              kenv    258       3      27        1041       0      30       7740        0
        malloc-384    384      20       0          20       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-1024   1024       1       3           1       0      16       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-32     32       9     117          30       0     254       4032        0
             ripcb    488       3       5           6       0     254       3904        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
        malloc-384    384       1       9           1       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_rack_pcb    704       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
     udplite_inpcb    488       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      64          0        0
            mdpbuf   2632       0       0           0       0       3          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0