syzbot


panic: mtx_unlock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:LINE

Status: fixed on 2020/03/21 02:45
Reported-by: syzbot+4801f1b79ea40953ca8e@syzkaller.appspotmail.com
Fix commit: 99258935eb2b Lock the socket in soo_stat().
First crash: 1067d, last: 1067d

Sample crash report:
panic: mtx_unlock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/kern/sys_socket.c:319
cpuid = 0
time = 1583560826
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024ad17a0
vpanic() at vpanic+0x1ce/frame 0xfffffe0024ad1810
panic() at panic+0x43/frame 0xfffffe0024ad1870
__mtx_unlock_flags() at __mtx_unlock_flags+0x1ca/frame 0xfffffe0024ad18b0
soo_stat() at soo_stat+0x17c/frame 0xfffffe0024ad18f0
kern_fstat() at kern_fstat+0xd9/frame 0xfffffe0024ad1940
freebsd11_freebsd32_fstat() at freebsd11_freebsd32_fstat+0x2d/frame 0xfffffe0024ad1ab0
ia32_syscall() at ia32_syscall+0x2e4/frame 0xfffffe0024ad1bf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0x814265f
KDB: enter: panic
[ thread pid 9284 tid 100428 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1463aa6(%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                           0
rax                       0x12
rcx         0xfffffe0027400000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe0024ad1780
rbp         0xfffffe0024ad17a0
rsi                    0x40001
rdi         0xffffffff810be786  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0024d5dd10
r12         0xffffffff82068f60  ddb_dbbe
r13                          0
r14         0xffffffff8193f6ad
r15         0xffffffff8193f6ad
rip         0xffffffff810b3817  kdb_enter+0x67
rflags                0x200082  kernphys+0x82
kdb_enter+0x67: movq    $0,0x1463aa6(%rip)
db> show proc
Process 9284 (syz-executor.2) at 0xfffff800032f1a60:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 777 at 0xfffff8000cb22530
 ABI: FreeBSD ELF32
 arguments: /root/syz-executor.2
 reaper: 0xfffff800032f1000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0024d60000
   (map 0xfffffe0024d60000)
   (map.pmap 0xfffffe0024d600c0)
   (pmap 0xfffffe0024d60120)
 threads: 3
100072                   RunQ                                syz-executor.2
100419                   Run     CPU 1                       syz-executor.2
100428                   Run     CPU 0                       syz-executor.2
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 9284   777   777     0  R       (threaded)                  syz-executor.2
100072                   RunQ                                syz-executor.2
100419                   Run     CPU 1                       syz-executor.2
100428                   Run     CPU 0                       syz-executor.2
 9283   771   771     0  S       (threaded)                  syz-executor.1
100933                   S       nanslp  0xffffffff824ffec1  syz-executor.1
100427                   S       connec  0xfffffe0003ddbf10  syz-executor.1
100430                   S       uwait   0xfffff8000c43a180  syz-executor.1
 9282   770   770     0  S       (threaded)                  syz-executor.0
100460                   S       nanslp  0xffffffff824ffec0  syz-executor.0
100413                   S       connec  0xfffffe0003ddf800  syz-executor.0
100424                   S       accept  0xfffffe0003dab4f0  syz-executor.0
100429                   S       accept  0xfffffe0003de14f0  syz-executor.0
100431                   S       uwait   0xfffff8000c43a000  syz-executor.0
 9281   803   803     0  S       (threaded)                  syz-executor.3
101177                   S       nanslp  0xffffffff824ffec1  syz-executor.3
100410                   S       connec  0xfffffe0003de4d30  syz-executor.3
100423                   S       uwait   0xfffff8000c2b0a00  syz-executor.3
 2896     1  2896    65  Ss      select  0xfffff8000c2ab1c0  dhclient
 2478     1  2478     0  Ss      select  0xfffff8000ca16c40  dhclient
 2475     1  2475     0  Ss      select  0xfffff8000ca16040  dhclient
 2456     1  2456    65  Ss      select  0xfffff8000c2ab140  dhclient
 2010     1  2010     0  Ss      select  0xfffff8000c43ad40  dhclient
 2007     1  2007     0  Ss      select  0xfffff8000c43a3c0  dhclient
 1993     1  1993    65  Ss      select  0xfffff80003cfbec0  dhclient
 1513     1  1513     0  Ss      select  0xfffff8000c43a6c0  dhclient
 1510     1  1510     0  Ss      select  0xfffff8000ca16a40  dhclient
 1484     1  1484    65  Ss      select  0xfffff8000ca16b40  dhclient
 1000     1  1000     0  Ss      select  0xfffff8000ca169c0  dhclient
  997     1   997     0  Ss      select  0xfffff8000ca16940  dhclient
  803   768   803     0  Ss      nanslp  0xffffffff824ffec1  syz-executor.3
  777   768   777     0  Ss      nanslp  0xffffffff824ffec1  syz-executor.2
  771   768   771     0  Ss      nanslp  0xffffffff824ffec0  syz-executor.1
  770   768   770     0  Ss      nanslp  0xffffffff824ffec0  syz-executor.0
  768   766   766     0  S       (threaded)                  syz-fuzzer
100096                   S       uwait   0xfffff80003bea000  syz-fuzzer
100097                   S       uwait   0xfffff80003c9de80  syz-fuzzer
100098                   S       uwait   0xfffff80003cfb000  syz-fuzzer
100099                   S       uwait   0xfffff80003cfb100  syz-fuzzer
100100                   S       uwait   0xfffff80003c9d880  syz-fuzzer
100101                   S       uwait   0xfffff80003c9d980  syz-fuzzer
100102                   S       uwait   0xfffff80003cfb300  syz-fuzzer
100103                   S       uwait   0xfffff80003cfb400  syz-fuzzer
100104                   S       uwait   0xfffff8000c2ac180  syz-fuzzer
100105                   S       kqread  0xfffff800031e9700  syz-fuzzer
101051                   S       uwait   0xfffff8000c43a580  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffff80003caa0a8  csh
  764   680   764     0  Ss      select  0xfffff80003bebe40  sshd
  746     1   746     0  Ss+     ttyin   0xfffff800033d38b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b3c0b0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80003b3c4b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80003b3c8b0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80003b3ccb0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80003b3b0b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80003b3b4b0  getty
  739     1   739     0  Ss+     ttyin   0xfffff80003b3b8b0  getty
  738     1   738     0  Ss+     ttyin   0xfffff80003b3bcb0  getty
  684     1   684     0  Ss      nanslp  0xffffffff824ffec0  cron
  680     1   680     0  Ss      select  0xfffff8000c334a40  sshd
  493     1   493     0  Ss      select  0xfffff80003bea240  syslogd
  422     1   422     0  Ss      select  0xfffff80003bea340  devd
  421     1   421    65  Ss      select  0xfffff8000c334ac0  dhclient
  336     1   336     0  Ss      select  0xfffff8000c2ac940  dhclient
  333     1   333     0  Ss      select  0xfffff80003bea3c0  dhclient
   21     0     0     0  DL      vlruwt  0xfffff800033d9a60  [vnlru]
   20     0     0     0  DL      syncer  0xffffffff825d6358  [syncer]
   19     0     0     0  DL      (threaded)                  [bufdaemon]
100065                   D       qsleep  0xffffffff825d5858  [bufdaemon]
100070                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100082                   D       sdflush 0xfffff8000351f8e8  [/ worker]
   18     0     0     0  DL      psleep  0xffffffff825f12c8  [vmdaemon]
   17     0     0     0  DL      (threaded)                  [pagedaemon]
100063                   D       psleep  0xffffffff8261d1d8  [dom0]
100068                   D       launds  0xffffffff8261d1e4  [laundry: dom0]
100069                   D       umarcl  0xffffffff81542bc0  [uma]
   16     0     0     0  DL      -       0xffffffff8235a730  [rand_harvestq]
   15     0     0     0  DL      waiting 0xffffffff826627a0  [sctp_iterator]
    9     0     0     0  DL      -       0xffffffff825d525c  [soaiod4]
    8     0     0     0  DL      -       0xffffffff825d525c  [soaiod3]
    7     0     0     0  DL      -       0xffffffff825d525c  [soaiod2]
    6     0     0     0  DL      -       0xffffffff825d525c  [soaiod1]
    5     0     0     0  DL      (threaded)                  [cam]
100031                   D       -       0xffffffff82235b40  [doneq0]
100062                   D       -       0xffffffff82235a08  [scanner]
    4     0     0     0  DL      crypto_ 0xfffff800031f5990  [crypto returns 1]
    3     0     0     0  DL      crypto_ 0xfffff800031f5930  [crypto returns 0]
    2     0     0     0  DL      crypto_ 0xffffffff825eb338  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80003345488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100022                   D       -       0xffffffff8261b808  [g_event]
100023                   D       -       0xffffffff8261b818  [g_up]
100024                   D       -       0xffffffff8261b810  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100005                   I                                   [swi6: Giant taskq]
100007                   I                                   [swi5: fast taskq]
100011                   I                                   [swi6: task queue]
100017                   I                                   [swi1: netisr 0]
100018                   I                                   [swi3: vm]
100019                   I                                   [swi4: clock (0)]
100020                   I                                   [swi4: clock (1)]
100032                   I                                   [irq24: virtio_pci0]
100033                   I                                   [irq25: virtio_pci0]
100034                   I                                   [irq26: virtio_pci0]
100035                   I                                   [irq27: virtio_pci0]
100036                   I                                   [irq28: virtio_pci1]
100037                   I                                   [irq29: virtio_pci1]
100038                   I                                   [irq30: virtio_pci1]
100039                   I                                   [irq31: virtio_pci1]
100040                   I                                   [irq32: virtio_pci1]
100045                   I                                   [irq10: virtio_pci2]
100047                   I                                   [irq1: atkbd0]
100048                   I                                   [irq12: psm0]
100049                   I                                   [swi0: uart uart++]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff800032f1000  [init]
   10     0     0     0  DL      audit_w 0xffffffff82663430  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8260ae48  [swapper]
100006                   D       -       0xfffff800031ebd00  [thread taskq]
100008                   D       -       0xfffff800031f6500  [config_0]
100009                   D       -       0xfffff800031ebb00  [kqueue_ctx taskq]
100010                   D       -       0xfffff800031eba00  [aiod_kick taskq]
100012                   D       -       0xfffff800031f6300  [if_config_tqg_0]
100013                   D       -       0xfffff800031f6200  [if_io_tqg_0]
100014                   D       -       0xfffff800031f6100  [if_io_tqg_1]
100015                   D       -       0xfffff800031f6000  [softirq_0]
100016                   D       -       0xfffff800031f5e00  [softirq_1]
100021                   D       -       0xfffff800031eb800  [firmware taskq]
100026                   D       -       0xfffff800031eb600  [crypto_0]
100027                   D       -       0xfffff800031eb600  [crypto_1]
100041                   D       -       0xfffff800031eb200  [vtnet0 rxq 0]
100042                   D       -       0xfffff800031eb100  [vtnet0 txq 0]
100043                   D       -       0xfffff800031eb000  [vtnet0 rxq 1]
100044                   D       -       0xfffff800031eae00  [vtnet0 txq 1]
100046                   D       vtbslp  0xfffff800034f3580  [virtio_balloon]
100050                   D       -       0xfffff800031eac00  [mca taskq]
100053                   D       -       0xffffffff81ce36f0  [deadlkres]
100058                   D       -       0xfffff80003b38300  [acpi_task_0]
100059                   D       -       0xfffff80003b38300  [acpi_task_1]
100060                   D       -       0xfffff80003b38300  [acpi_task_2]
100061                   D       -       0xfffff800031eb400  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
            devbuf         4213         4851K         4241
             vtbuf           24         1968K           46
         sysctloid        25931         1511K        25995
              kobj          332         1328K          488
            newblk           10         1027K        25373
          vfscache            4         1025K            4
          inodedep          102          563K         9664
               pcb           46          555K        18208
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          388K            4
           subproc          143          285K         9367
            acpica         1674          185K        52709
         vnet_data            1          168K            1
          filedesc           21          149K        16555
           pagedep           11          131K         8286
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          222           89K          253
               BPF           46           88K           46
               bus          964           78K         3374
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          494           62K          494
              umtx          360           45K          360
           kdtrace          192           37K        35480
        gtaskqueue           22           34K           22
         hostcache            1           32K            1
               shm            1           32K            7
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
            ifaddr           74           25K           76
            dirrem           91           23K         9509
              vmem            3           22K            4
            kbdmux            6           22K            6
              temp           34           17K         2669
         ufs_mount            3           17K            4
           lltable           45           17K           69
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
         sctp_timw           63           16K           63
           ithread           89           15K           89
       ether_multi          172           14K          177
            bus-sc           30           14K         1431
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           99
          freefile           88           11K         9502
         in6_multi           89           11K           89
      eventhandler          122           11K          122
         pfs_nodes           20           10K           20
              GEOM           60           10K          487
              rman           82           10K          423
            select           76           10K           76
         bmsafemap            2            9K        10017
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
          routetbl           58            8K           62
     audit_evclass          232            8K          290
         sctp_atcl           14            7K        13573
            kqueue           63            7K         9291
           CAM DEV            3            6K          510
         sctp_stro            6            6K         5431
            plimit           24            6K          529
              cred           24            6K          329
                vt           11            6K           11
            sglist            5            6K            5
         CAM queue            5            6K         1528
            DEVFSP           78            5K           82
       ufs_dirhash           24            5K           24
         taskqueue           42            5K           42
           session           35            5K           57
              pgrp           35            5K           57
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
               UMA          235            4K          235
             lockf           32            4K           66
             hhook           13            4K           13
         proc-args           52            3K          716
           acpisem           22            3K           22
          terminal           11            3K           11
           uidinfo            3            3K           15
          sctp_ifa           17            3K           17
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           21
            Unitno           32            2K        31679
           CAM XPT           22            2K          543
          in_multi            6            2K            7
            crypto            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
            diradd            9            2K         9552
               tun            7            2K            7
          freework            5            2K        15093
           softdep            1            1K            1
             mkdir            8            1K        16530
          freeblks            4            1K         9248
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             clone            8            1K            8
       vnodemarker            2            1K           94
      NFSD session            1            1K            1
        CAM periph            4            1K          271
         sctp_atky           20            1K        19012
               mld            6            1K            6
          sctp_ifn            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
               pwd           22            1K         8369
         newdirblk            4            1K         8265
       inpcbpolicy           16            1K         2340
              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
            vnodes            1            1K          418
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
         sctp_athm           14            1K        13575
          sctp_map           12            1K        10862
        loginclass            3            1K            6
            soname            7            1K        13508
     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
          pmchooks            1            1K            1
            prison            4            1K            4
          nexusdev            5            1K            5
          filecaps            5            1K          124
           entropy            2            1K           49
           tcpfunc            1            1K            1
          sctp_vrf            1            1K            1
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
           ath_hal            0            0K            0
            athdev            0            0K            0
        madt_table            0            0K            2
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
            pvscsi            0            0K            0
          smartpqi            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
       fpukern_ctx            0            0K            0
          xen_intr            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
              isci            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
           CAM CCB            0            0K        36749
     vm_fictitious            0            0K            0
               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
ag_tgt_map_t malloc            0            0K            0
           UMAHash            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K        10491
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           46
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefrag            0            0K            6
        allocindir            0            0K            0
          indirdep            0            0K        10192
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
             xform            0            0K            0
               NLM            0            0K            0
 nfsclient_nlminfo            0            0K            0
    nfsclient_lock            0            0K            0
           NFS FHA            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K            8
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         1736
         sctp_iter            0            0K            9
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K            9
         sctp_aadr            0            0K            0
         sctp_stri            0            0K            0
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
            statfs            0            0K         8470
       export_host            0            0K            0
        cl_savebuf            0            0K            2
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          625
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        17784
          ioctlops            0            0K          264
           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          807
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
              rctl            0            0K            0
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        aacraidcam            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
            iirbuf            0            0K            0
             cache            0            0K            0
       aacraid_buf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
       tty console            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
NFSCL diroffdiroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
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        evtchn_dev            0            0K            0
          xenstore            0            0K            0
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         ciss_data            0            0K            0
               xnb            0            0K            0
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               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
db> show ktr
No such command; use "help" to list available commands

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-i386 2020/03/07 06:00 freebsd a783cab19028 fd2a5f28 console log report
* Struck through repros no longer work on HEAD.