panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/kern/uipc

panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/kern/uipc_ktls.c:LINE
Status: upstream: reported C repro on 2020/05/26 16:01
Reported-by: syzbot+a8829e888a93a4a04619@syzkaller.appspotmail.com
First crash: 118d, last: 6d14h

Sample crash report:
login: panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/kern/uipc_ktls.c:1034
cpuid = 1
time = 1591533258
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00255e4640
vpanic() at vpanic+0x1c7/frame 0xfffffe00255e46a0
panic() at panic+0x43/frame 0xfffffe00255e4700
__mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe00255e4760
ktls_get_rx_mode() at ktls_get_rx_mode+0x53/frame 0xfffffe00255e4790
tcp_default_ctloutput() at tcp_default_ctloutput+0x610/frame 0xfffffe00255e4910
tcp_ctloutput() at tcp_ctloutput+0x2d4/frame 0xfffffe00255e4990
sogetopt() at sogetopt+0xf2/frame 0xfffffe00255e4a00
kern_getsockopt() at kern_getsockopt+0x13f/frame 0xfffffe00255e4a80
sys_getsockopt() at sys_getsockopt+0x78/frame 0xfffffe00255e4ac0
amd64_syscall() at amd64_syscall+0x262/frame 0xfffffe00255e4bf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00255e4bf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b42aa, rsp = 0x7fffdffdcf78, rbp = 0x7fffdffdcfb0 ---
KDB: enter: panic
[ thread pid 787 tid 100125 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a7206(%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                       0x80  ll+0x5f
rdx         0xffffffff81901452
rbx                          0
rsp         0xfffffe00255e4620
rbp         0xfffffe00255e4640
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0025796d00
r12         0xffffffff82068e90  ddb_dbbe
r13                          0
r14         0xffffffff819a566e
r15         0xffffffff819a566e
rip         0xffffffff810b3467  kdb_enter+0x67
rflags                    0x82  ll+0x61
kdb_enter+0x67: movq    $0,0x14a7206(%rip)
db> show proc
Process 787 (syz-executor8830267) at 0xfffff8000c35d000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 775 at 0xfffff8000c3b9000
 ABI: FreeBSD ELF64
 arguments: ./syz-executor883026723
 reaper: 0xfffff8000331c000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00257f5000
   (map 0xfffffe00257f5000)
   (map.pmap 0xfffffe00257f50c0)
   (pmap 0xfffffe00257f5120)
 threads: 3
100096                   RunQ                                syz-executor8830267
100122                   Run     CPU 0                       syz-executor8830267
100125                   Run     CPU 1                       syz-executor8830267
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  790   778   771     0  R                                   syz-executor8830267
  789   777   771     0  R       (threaded)                  syz-executor8830267
100109                   RunQ                                syz-executor8830267
100124                   S       uwait   0xfffff8000c51e700  syz-executor8830267
  787   775   771     0  R       (threaded)                  syz-executor8830267
100096                   RunQ                                syz-executor8830267
100122                   Run     CPU 0                       syz-executor8830267
100125                   Run     CPU 1                       syz-executor8830267
  778   773   771     0  S       nanslp  0xffffffff8252efe1  syz-executor8830267
  777   773   771     0  S       nanslp  0xffffffff8252efe1  syz-executor8830267
  775   773   771     0  S       nanslp  0xffffffff8252efe1  syz-executor8830267
  774   773   771     0  R                                   syz-executor8830267
  773   771   771     0  S       nanslp  0xffffffff8252efe0  syz-executor8830267
  771   769   771     0  Ss      pause   0xfffff8000c3360a8  csh
  769   682   769     0  Ss      select  0xfffff8000334fac0  sshd
  748     1   748     0  Ss+     ttyin   0xfffff8000380c0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80003b7dcb0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80003b804b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b80cb0  getty
  744     1   744     0  Ss+     ttyin   0xfffff800033b54b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff800033b5cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffff800033b84b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff800033b8cb0  getty
  740     1   740     0  Ss+     ttyin   0xfffff800033b74b0  getty
  738     1    24     0  S+      piperd  0xfffff80003cb7be0  logger
  737   736    24     0  S+      nanslp  0xffffffff8252efe0  sleep
  736     1    24     0  S+      wait    0xfffff8000c341a40  sh
  686     1   686     0  Ss      nanslp  0xffffffff8252efe0  cron
  682     1   682     0  Ss      select  0xfffff80003a5bb40  sshd
  495     1   495     0  Ss      select  0xfffff80003352d40  syslogd
  424     1   424     0  Ss      select  0xfffff80003a5be40  devd
  423     1   423    65  Ss      select  0xfffff800033529c0  dhclient
  338     1   338     0  Ss      select  0xfffff80003a5bdc0  dhclient
  335     1   335     0  Ss      select  0xfffff80003a5bd40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8261af18  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff800033f7a40  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100069                   D       qsleep  0xffffffff8261a230  [bufdaemon]
100076                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100086                   D       sdflush 0xfffff80003ccfce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82641248  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100067                   D       psleep  0xffffffff826356d8  [dom0]
100074                   D       launds  0xffffffff826356e4  [laundry: dom0]
100075                   D       umarcl  0xffffffff8154cf50  [uma]
   18     0     0     0  DL      -       0xffffffff82362c58  [rand_harvestq]
   17     0     0     0  DL      pftm    0xffffffff82be13a0  [pf purge]
   16     0     0     0  DL      waiting 0xffffffff8261d690  [sctp_iterator]
   15     0     0     0  DL      -       0xffffffff8261982c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261982c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261982c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261982c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100033                   D       -       0xffffffff8223a9c0  [doneq0]
100066                   D       -       0xffffffff8223a890  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff800033f6090  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff800033f6030  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82632ec0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff8000338f888  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100024                   D       -       0xffffffff8250df80  [g_event]
100025                   D       -       0xffffffff8250df88  [g_up]
100026                   D       -       0xffffffff8250df90  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100017                   D       -       0xfffff80003351e80  [thr_0]
100018                   D       -       0xfffff80003351ec0  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100019                   I                                   [swi4: clock (0)]
100020                   I                                   [swi4: clock (1)]
100021                   I                                   [swi1: netisr 0]
100022                   I                                   [swi3: vm]
100034                   I                                   [irq24: virtio_pci0]
100035                   I                                   [irq25: virtio_pci0]
100036                   I                                   [irq26: virtio_pci0]
100037                   I                                   [irq27: virtio_pci0]
100038                   I                                   [irq28: virtio_pci1]
100039                   I                                   [irq29: virtio_pci1]
100040                   I                                   [irq30: virtio_pci1]
100041                   I                                   [irq31: virtio_pci1]
100042                   I                                   [irq32: virtio_pci1]
100047                   I                                   [irq10: virtio_pci2]
100049                   I                                   [irq1: atkbd0]
100050                   I                                   [irq12: psm0]
100051                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100072                   I                                   [swi1: hpts]
100073                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff8000331c000  [init]
   10     0     0     0  DL      audit_w 0xffffffff82633398  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250e510  [swapper]
100005                   D       -       0xfffff80003346100  [softirq_0]
100006                   D       -       0xfffff80003346000  [softirq_1]
100007                   D       -       0xfffff80003343e00  [if_io_tqg_0]
100008                   D       -       0xfffff80003343d00  [if_io_tqg_1]
100009                   D       -       0xfffff80003343c00  [if_config_tqg_0]
100010                   D       -       0xfffff8000334d100  [kqueue_ctx taskq]
100011                   D       -       0xfffff8000334d000  [aiod_kick taskq]
100014                   D       -       0xfffff8000334ec00  [in6m_free taskq]
100015                   D       -       0xfffff8000334eb00  [thread taskq]
100023                   D       -       0xfffff8000334e900  [firmware taskq]
100028                   D       -       0xfffff8000334e700  [crypto_0]
100029                   D       -       0xfffff8000334e700  [crypto_1]
100043                   D       -       0xfffff80003349d00  [vtnet0 rxq 0]
100044                   D       -       0xfffff80003349c00  [vtnet0 txq 0]
100045                   D       -       0xfffff80003349b00  [vtnet0 rxq 1]
100046                   D       -       0xfffff80003349a00  [vtnet0 txq 1]
100048                   D       vtbslp  0xfffff80003597800  [virtio_balloon]
100052                   D       -       0xfffff80003821600  [mca taskq]
100057                   D       -       0xffffffff81d4a971  [deadlkres]
100062                   D       -       0xfffff80003b74900  [acpi_task_0]
100063                   D       -       0xfffff80003b74900  [acpi_task_1]
100064                   D       -       0xfffff80003b74900  [acpi_task_2]
100065                   D       -       0xfffff8000334e500  [CAM taskq]
  788   774   771     0  Z                                   syz-executor8830267
db> show all locks
Process 787 (syz-executor8830267) thread 0xfffffe0025796800 (100125)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff8000c4e3208) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:1780
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4851K         4238
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        27849         1625K        27913
              kobj          334         1336K          493
            newblk          540         1159K          558
          vfscache            4         1025K            4
               pcb           22          537K           96
          inodedep           48          536K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          388K            4
           subproc          112          245K          849
            acpica         1674          185K        52739
         vnet_data            1          168K            1
           pagedep           14          132K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          101          101K          110
            linker          239           96K          268
               bus          972           79K         3360
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          501           63K          501
              temp           18           33K         1536
         hostcache            1           32K            1
               shm            1           32K            1
              umtx          252           32K          252
           kdtrace          165           32K         1652
               msg            4           30K            4
            DEVFS3          120           30K          130
        DEVFS_RULE           56           27K           56
        gtaskqueue           18           26K           18
              vmem            3           22K            4
            kbdmux            6           22K            6
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           98           16K           98
            bus-sc           30           14K         1439
            ifaddr           32           13K           32
            KTRACE          100           13K          100
              kenv           95           12K           99
      eventhandler          132           12K          132
         pfs_nodes           20           10K           20
              GEOM           60           10K          487
              rman           82           10K          423
         bmsafemap            3            9K           40
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          233            8K          291
           CAM DEV            3            6K          510
                vt           11            6K           11
              cred           21            6K          234
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
            dirrem           17            5K           28
            plimit           17            5K          322
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
               UMA          248            4K          248
             evdev            4            4K            4
          filedesc            1            4K            1
           lltable           11            4K           11
          routetbl           14            4K           14
            kqueue           54            4K          793
             hhook           13            4K           13
       ether_multi           40            4K           45
            diradd           25            4K           36
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
           acpisem           22            3K           22
          terminal           11            3K           11
            select           20            3K           20
           session           20            3K           31
              pgrp           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
         proc-args           39            2K          472
           CAM XPT           22            2K          543
             lockf           15            2K           22
            Unitno           25            2K           37
           acpidev           20            2K           20
               msi            9            2K            9
           softdep            1            1K            1
       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
        CAM periph            4            1K          271
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
            ip6ndp            4            1K            5
          sctp_ifa            5            1K            5
            crypto            3            1K            3
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            3
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
             epoch            4            1K            4
              cdev            2            1K            2
 encap_export_host            8            1K            8
               osd            3            1K            9
       inpcbpolicy            8            1K          153
               mld            2            1K            2
          sctp_ifn            2            1K            2
              igmp            2            1K            2
            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            7
     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
           tcpfunc            2            1K            2
              ktls            1            1K            1
          pmchooks            1            1K            1
            prison            4            1K            4
            DEVFSP            2            1K            2
            soname            4            1K         5788
          filecaps            4            1K           66
               tun            3            1K            3
          nexusdev            5            1K            5
           entropy            2            1K           35
          freework            1            1K           26
          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
          p1003.1b            1            1K            1
          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
            vtfont            0            0K            0
        madt_table            0            0K            2
           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
            pvscsi            0            0K            0
          smartpqi            0            0K            0
            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
              iavf            0            0K            0
               ixl            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
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
       fpukern_ctx            0            0K            0
      midi buffers            0            0K            0
          xen_intr            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
              isci            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
           CAM CCB            0            0K         1811
               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
           UMAHash            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            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            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
          freefile            0            0K            9
          freeblks            0            0K           25
          freefrag            0            0K            7
        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
    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
lDevFlags * malloc            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            3
         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            3
         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
tiDeviceHandle_t * malloc            0            0K            0
            statfs            0            0K          196
       export_host            0            0K            0
        cl_savebuf            0            0K            3
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
            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
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
            MPSSAS            0            0K            0
          mbuf_tag            0            0K           25
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        13018
          ioctlops            0            0K           86
           Witness            0            0K            0
             stack            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            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          574
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            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
          kcovinfo            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
               pwd            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
           NFS FHA            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
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9526     126        9526       0     254   19767296        0
       mbuf_packet    256    8192    1206       25232       0     254    2405888        0
               512    512    4167      33        4191       0      30    2150400        0
   mbuf_jumbo_page   4096       0     508          10       0     254    2080768        0
          BUF TRIE    144     170   13326         521       0      62    1943424        0
              4096   4096     335       3         494       0       2    1384448        0
               128    128    9429     181        9512       0     126    1230080        0
              pbuf    832       0     969           0       0       2     806208        0
       UMA Slabs 0    112    6730      32        6730       0     126     757344        0
             tcpcb   1032       5     512          29       0     254     533544        0
            socket    904      17     496        1186       0     254     463752        0
             65536  65536       6       0           6       0       1     393216        0
        RADIX NODE    144    2092     229       19523       0      62     334224        0
        256 Bucket   2048     126      18         362       0       8     294912        0
             VNODE    488     528      48         539       0      30     281088        0
         VM OBJECT    264     943      47       12576       0      30     261360        0
              4096   4096      61       1         800       0       2     253952        0
             ripcb    488       1     511           4       0     254     249856        0
         tcp_inpcb    488       6     506          30       0     254     249856        0
         udp_inpcb    488       2     510         120       0     254     249856        0
            THREAD   1776     112      14         125       0       8     223776        0
                64     64    3149     190        3393       0     254     213696        0
               256    256     732      78        1471       0      62     207360        0
              mbuf    256     386     386        2267       0     254     197632        0
                16     16   11891     359       12996       0     254     196000        0
               128    128    1173     222       24013       0     126     178560        0
         UMA Zones    768     222       4         222       0      16     173568        0
                32     32    4435     479        5240       0     254     157248        0
              1024   1024     125      19         134       0      16     147456        0
               128    128     983     164        7500       0     126     146816        0
       FFS2 dinode    256     499      71         508       0      62     145920        0
             65536  65536       0       2          45       0       1     131072        0
             65536  65536       2       0           2       0       1     131072        0
             65536  65536       1       1         113       0       1     131072        0
             unpcb    256       7     503        1015       0     254     130560        0
         MAP ENTRY     96     921     339       37426       0     126     120960        0
          ksiginfo    112      40    1004          56       0     126     116928        0
         vmem btag     56    1774     301        1774       0     254     116200        0
              2048   2048       5      51        2770       0       8     114688        0
         FFS inode    160     499      76         508       0      62      92000        0
           VMSPACE   2536      30       6         769       0       4      91296        0
              4096   4096      19       3          33       0       2      90112        0
        128 Bucket   1024      39      44         801       0      16      84992        0
          UMA Kegs    384     208       7         208       0      30      82560        0
              8192   8192       7       3          35       0       1      81920        0
       S VFS Cache    108     584     172        1111       0     126      81648        0
               512    512     112      40         739       0      30      77824        0
         filedesc0   1088      53      17         791       0       8      76160        0
              PROC   1312      53       4         790       0       8      74784        0
             g_bio    408       0     180        4895       0      30      73440        0
              1024   1024       5      63         290       0      16      69632        0
                64     64     515     556        1548       0     254      68544        0
             65536  65536       0       1           8       0       1      65536        0
             32768  32768       1       1         113       0       1      65536        0
               256    256     184      71        1242       0      62      65280        0
               256    256      56     139         249       0      62      49920        0
         32 Bucket    256      31     164         375       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       11466       0      16      49152        0
             16384  16384       3       0           3       0       1      49152        0
             16384  16384       2       1           3       0       1      49152        0
              8192   8192       5       1           7       0       1      49152        0
          syncache    168       0     264           5       0     254      44352        0
              8192   8192       4       1          85       0       1      40960        0
            clpbuf    832       0      48         129       0      16      39936        0
         64 Bucket    512      56      16         407       0      30      36864        0
             selfd     64      39     528        4566       0     254      36288        0
                64     64      45     522         273       0     254      36288        0
                64     64      35     532       12757       0     254      36288        0
                64     64      94     473         881       0     254      36288        0
                64     64      56     511         795       0     254      36288        0
                64     64     191     376         272       0     254      36288        0
                64     64      93     474          93       0     254      36288        0
               128    128      51     228         122       0     126      35712        0
               128    128      21     258          31       0     126      35712        0
               128    128      84     195         111       0     126      35712        0
               128    128      14     265         171       0     126      35712        0
               128    128      53     226          53       0     126      35712        0
     routing nhops    256       8     127          18       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      15     120          91       0      62      34560        0
               256    256      24     111         307       0      62      34560        0
               256    256      34     101         300       0      62      34560        0
               256    256      21     114        1182       0      62      34560        0
               256    256       2     133           3       0      62      34560        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
              4096   4096       5       3           8       0       2      32768        0
              2048   2048       2      14           2       0       8      32768        0
              2048   2048       7       9           7       0       8      32768        0
              2048   2048       2      14          16       0       8      32768        0
              2048   2048       6      10           6       0       8      32768        0
              1024   1024       3      29           7       0      16      32768        0
              1024   1024       3      29         889       0      16      32768        0
              1024   1024       7      25           7       0      16      32768        0
              1024   1024      11      21          11       0      16      32768        0
               512    512       1      63          20       0      30      32768        0
               512    512      14      50          14       0      30      32768        0
               512    512      20      44          27       0      30      32768        0
               512    512      10      54          10       0      30      32768        0
     mt_stats_zone     64     442      70         442       0     254      32768        0
           64 pcpu      8    3393     703        3395       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
              4096   4096       2       5         648       0       2      28672        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
          4 Bucket     48       6     582        5126       0     254      28224        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
           rtentry    208      14     119          18       0      62      27664        0
              pipe    760       7      28         280       0      16      26600        0
         TURNSTILE    136     127      62         127       0      62      25704        0
          rl_entry     40      31     575          31       0     254      24240        0
          8 Bucket     80      46     254        6463       0     126      24000        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     127     129         127       0     126      22528        0
               512    512      23      17         344       0      30      20480        0
             udpcb     32       2     628         120       0     254      20160        0
               PWD     32      10     620          98       0     254      20160        0
             Files     72      72     208        6328       0     126      20160        0
                32     32      33     597         177       0     254      20160        0
                32     32      36     594          62       0     254      20160        0
                32     32     336     294        1194       0     254      20160        0
                32     32      35     595         183       0     254      20160        0
                32     32      21     609          90       0     254      20160        0
                32     32      50     580        3681       0     254      20160        0
                32     32       5     625           5       0     254      20160        0
         16 Bucket    144      38     102         145       0      62      20160        0
          2 Bucket     32      42     588       11116       0     254      20160        0
          procdesc    136       1     144           6       0      62      19720        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
             16384  16384       1       0           1       0       1      16384        0
             16384  16384       0       1         136       0       1      16384        0
             16384  16384       1       0           1       0       1      16384        0
             16384  16384       1       0           1       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              2048   2048       2       6           2       0       8      16384        0
              2048   2048       3       5           3       0       8      16384        0
              1024   1024       8       8           9       0      16      16384        0
              1024   1024       1      15           1       0      16      16384        0
               512    512       1      31           2       0      30      16384        0
           mt_zone     24     442     226         442       0     254      16032        0
               MAP    216       2      69           2       0      62      15336        0
              vmem   1856       1       7           1       0       8      14848        0
      vtnet_tx_hdr     24       0     501        1308       0     254      12024        0
             KNOTE    160       0      75           8       0      62      12000        0
                16     16       0     750           5       0     254      12000        0
                16     16      13     737          46       0     254      12000        0
                16     16      58     692         591       0     254      12000        0
                16     16      13     737         134       0     254      12000        0
                16     16     260     490       24182       0     254      12000        0
                16     16      10     740          10       0     254      12000        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
              4096   4096       1       1           1       0       2       8192        0
           SMR CPU     32       1     254           1       0     254       8160        0
                16     16       0     500           7       0     254       8000        0
        SMR SHARED     24       1     254           1       0     254       6120        0
              2048   2048       0       2          32       0       8       4096        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
          int pcpu      4      34     478          34       0     254       2048        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
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    256       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_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
   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
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1280       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    184       0       0           0       0      62          0        0
           tcp_log    408       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    280       0       0           0       0      30          0        0
             AIOCB    752       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
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    368       0       0           0       0      30          0        0
       L VFS Cache    328       0       0           0       0      30          0        0
     STS VFS Cache    148       0       0           0       0      62          0        0
             rentr     24       0       0           0       0     254          0        0
         VNODEPOLL    120       0       0           0       0     126          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    272       0       0           0       0      30          0        0
      nvme_request    128       0       0           0       0     126          0        0
     FPU_save_area    832       0       0           0       0      16          0        0
    DMAR_MAP_ENTRY    128       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    832       0       0           0       0      62          0        0
            mdpbuf    832       0       0           0       0       4          0        0
           nfspbuf    832       0       0           0       0      16          0        0
            swwbuf    832       0       0           0       0       8          0        0
            swrbuf    832       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
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              4096   4096       0       0           0       0       2          0        0
              4096   4096       0       0           0       0       2          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
Crashes (7):
Manager	Time	Kernel	Commit	Syzkaller	Log	Report	Syz repro	C repro
ci-freebsd-main	2020/06/07 12:36	freebsd	3e9c8066	2c2b926c	log	report	syz	C
ci-freebsd-main	2020/09/15 11:06	freebsd	a1931422	6989d6f6	log	report
ci-freebsd-main	2020/08/21 17:02	freebsd	a2de2911	6436ce4b	log	report
ci-freebsd-main	2020/06/21 07:07	freebsd	02bc014a	c655ec77	log	report
ci-freebsd-main	2020/06/10 10:04	freebsd	04653c6b	860c4de9	log	report
ci-freebsd-main	2020/06/07 12:20	freebsd	3e9c8066	2c2b926c	log	report
ci-freebsd-main	2020/05/26 16:00	freebsd	1a33e36f	8ca3b7d2	log	report