syzbot


panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/dev/hyperv/hvsock/hv_sock.c:LINE

Status: auto-closed as invalid on 2020/08/20 18:33
Reported-by: syzbot+0772e1de52110ffc7f00@syzkaller.appspotmail.com
First crash: 1483d, last: 1483d

Sample crash report:
panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/dev/hyperv/hvsock/hv_sock.c:291
cpuid = 1
time = 1590172326
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002940e8d0
vpanic() at vpanic+0x1c7/frame 0xfffffe002940e930
panic() at panic+0x43/frame 0xfffffe002940e990
__mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe002940e9f0
hvs_trans_listen() at hvs_trans_listen+0x83/frame 0xfffffe002940ea40
solisten() at solisten+0x7a/frame 0xfffffe002940ea80
kern_listen() at kern_listen+0x13c/frame 0xfffffe002940eac0
amd64_syscall() at amd64_syscall+0x262/frame 0xfffffe002940ebf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002940ebf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x28289a, rsp = 0x7fffdfffdf08, rbp = 0x7fffdfffdf70 ---
KDB: enter: panic
[ thread pid 1674 tid 100726 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14ab366(%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         0xfffffe002d600000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe002940e8b0
rbp         0xfffffe002940e8d0
rsi                    0x40001
rdi         0xffffffff810b71f6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe002585c500
r12         0xffffffff82068e40  ddb_dbbe
r13                          0
r14         0xffffffff819482dc
r15         0xffffffff819482dc
rip         0xffffffff810ac507  kdb_enter+0x67
rflags                    0x82  ll+0x61
kdb_enter+0x67: movq    $0,0x14ab366(%rip)
db> show proc
Process 1674 (syz-executor.2) at 0xfffff8000ca30000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 1620 at 0xfffff8000cb51000
 ABI: FreeBSD ELF64
 arguments: /root/syz-executor.2
 reaper: 0xfffff80003311000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00257869e8
   (map 0xfffffe00257869e8)
   (map.pmap 0xfffffe0025786aa8)
   (pmap 0xfffffe0025786b08)
 threads: 2
100657                   Run     CPU 0                       syz-executor.2
100726                   Run     CPU 1                       syz-executor.2
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1674  1620  1620     0  R       (threaded)                  syz-executor.2
100657                   Run     CPU 0                       syz-executor.2
100726                   Run     CPU 1                       syz-executor.2
 1671   775   775 60928  S       (threaded)                  syz-executor.3
100459                   S       nanslp  0xffffffff8252c1e1  syz-executor.3
100723                   S       sbwait  0xfffffe00239c5a8c  syz-executor.3
100724                   S       uwait   0xfffff80003ca0000  syz-executor.3
 1670   773   773     0  S       (threaded)                  syz-executor.1
100123                   S       nanslp  0xffffffff8252c1e0  syz-executor.1
100715                   S       sbwait  0xfffffe00239cf37c  syz-executor.1
100716                   S       sbwait  0xfffffe001cfcfe14  syz-executor.1
100717                   S       uwait   0xfffff8000cbc7400  syz-executor.1
100718                   S       uwait   0xfffff80003ca0380  syz-executor.1
100719                   S       uwait   0xfffff80003ca0c80  syz-executor.1
 1669   772   772     0  S       (threaded)                  syz-executor.0
100704                   S       nanslp  0xffffffff8252c1e0  syz-executor.0
100705                   S       sbwait  0xfffffe001cfd0c6c  syz-executor.0
100707                   S       sbwait  0xfffffe00239c5704  syz-executor.0
100709                   S       connec  0xfffffe00239cf9a8  syz-executor.0
100710                   S       uwait   0xfffff8000cbce100  syz-executor.0
100712                   S       uwait   0xfffff80003c9f900  syz-executor.0
 1620   768  1620     0  Ss      nanslp  0xffffffff8252c1e0  syz-executor.2
 1449  1443  1449     0  Ss      select  0xfffff8000cbceec0  dhclient
 1446     1  1446     0  Ss      select  0xfffff8000c4911c0  dhclient
 1443  1436   424    65  S       select  0xfffff8000cbc8ac0  dhclient
 1436   424   424     0  S       wait    0xfffff80003ce3000  sh
 1420     1  1420    65  Ss      select  0xfffff8000c166c40  dhclient
  989     1   989     0  Ss      select  0xfffff80003ca04c0  dhclient
  984     1   984     0  Ss      select  0xfffff80003c9d140  dhclient
  775   768   775     0  Ss      nanslp  0xffffffff8252c1e1  syz-executor.3
  773   768   773     0  Ss      nanslp  0xffffffff8252c1e0  syz-executor.1
  772   768   772     0  Ss      nanslp  0xffffffff8252c1e0  syz-executor.0
  768   766   766     0  S       (threaded)                  syz-fuzzer
100100                   S       kqread  0xfffff80003201800  syz-fuzzer
100108                   S       uwait   0xfffff80003c9fb00  syz-fuzzer
100109                   S       uwait   0xfffff80003ca1900  syz-fuzzer
100110                   S       uwait   0xfffff80003ca1a00  syz-fuzzer
100111                   S       uwait   0xfffff80003ca1f00  syz-fuzzer
100112                   S       uwait   0xfffff80003ca1b00  syz-fuzzer
100113                   S       uwait   0xfffff8000c166080  syz-fuzzer
100114                   S       uwait   0xfffff80003ca1c00  syz-fuzzer
100115                   S       uwait   0xfffff8000c166180  syz-fuzzer
100116                   S       uwait   0xfffff80003ca1d00  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffff8000c3fd0a8  csh
  764   682   764     0  Ss      select  0xfffff80003c9f1c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffff8000383ecb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80003b334b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80003b338b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b33cb0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80003b360b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80003b364b0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80003b368b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80003b36cb0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80003b350b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff8252c1e1  cron
  682     1   682     0  Ss      select  0xfffff8000c166bc0  sshd
  495     1   495     0  Ss      select  0xfffff80003ca25c0  syslogd
  424     1   424     0  Ss      wait    0xfffff80003cf4520  devd
  423     1   423    65  Ss      select  0xfffff80003ca1840  dhclient
  338     1   338     0  Ss      select  0xfffff80003c9fcc0  dhclient
  335     1   335     0  Ss      select  0xfffff8000c166b40  dhclient
   23     0     0     0  DL      syncer  0xffffffff82618118  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff800033dca40  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100069                   D       qsleep  0xffffffff82617430  [bufdaemon]
100076                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100086                   D       sdflush 0xfffff80003c6dce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff8263e308  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100067                   D       psleep  0xffffffff826328d8  [dom0]
100074                   D       launds  0xffffffff826328e4  [laundry: dom0]
100075                   D       umarcl  0xffffffff81544500  [uma]
   18     0     0     0  DL      -       0xffffffff8235fe58  [rand_harvestq]
   17     0     0     0  DL      pftm    0xffffffff82c4e3a0  [pf purge]
   16     0     0     0  DL      waiting 0xffffffff8261a890  [sctp_iterator]
   15     0     0     0  DL      -       0xffffffff82616a2c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff82616a2c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff82616a2c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff82616a2c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100033                   D       -       0xffffffff82237bc0  [doneq0]
100066                   D       -       0xffffffff82237a90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff8000320ce90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000320ce30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff826300c0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800030d6088  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100024                   D       -       0xffffffff8250b180  [g_event]
100025                   D       -       0xffffffff8250b188  [g_up]
100026                   D       -       0xffffffff8250b190  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100017                   D       -       0xfffff80003326600  [thr_0]
100018                   D       -       0xfffff80003326640  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant 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    0xfffff80003311000  [init]
   10     0     0     0  DL      audit_w 0xffffffff82630598  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250b710  [swapper]
100005                   D       -       0xfffff8000321bb00  [softirq_0]
100006                   D       -       0xfffff8000321b900  [softirq_1]
100007                   D       -       0xfffff8000321b700  [if_io_tqg_0]
100008                   D       -       0xfffff8000321b500  [if_io_tqg_1]
100009                   D       -       0xfffff8000321b300  [if_config_tqg_0]
100010                   D       -       0xfffff80003204e00  [in6m_free taskq]
100011                   D       -       0xfffff80003204d00  [thread taskq]
100013                   D       -       0xfffff80003204b00  [kqueue_ctx taskq]
100014                   D       -       0xfffff80003204a00  [aiod_kick taskq]
100023                   D       -       0xfffff80003204700  [firmware taskq]
100028                   D       -       0xfffff80003204500  [crypto_0]
100029                   D       -       0xfffff80003204500  [crypto_1]
100043                   D       -       0xfffff80003204200  [vtnet0 rxq 0]
100044                   D       -       0xfffff80003204100  [vtnet0 txq 0]
100045                   D       -       0xfffff80003204000  [vtnet0 rxq 1]
100046                   D       -       0xfffff80003203e00  [vtnet0 txq 1]
100048                   D       vtbslp  0xfffff800034f0580  [virtio_balloon]
100052                   D       -       0xfffff80003203c00  [mca taskq]
100057                   D       -       0xffffffff81ce9e01  [deadlkres]
100062                   D       -       0xfffff80003b7f000  [acpi_task_0]
100063                   D       -       0xfffff80003b7f000  [acpi_task_1]
100064                   D       -       0xfffff80003b7f000  [acpi_task_2]
100065                   D       -       0xfffff80003204300  [CAM taskq]
db> show all locks
Process 1674 (syz-executor.2) thread 0xfffffe002588ca00 (100657)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff8254c190) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_umtx.c:512
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4851K         4241
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        27849         1625K        27913
              kobj          333         1332K          490
            newblk            9         1026K         3935
          vfscache            4         1025K            4
               pcb           38          551K         1096
          inodedep           25          524K         1126
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          388K            4
           subproc          140          273K         1757
            acpica         1674          185K        52709
         vnet_data            1          168K            1
          filedesc           21          149K         1542
           pagedep           12          131K          795
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          238           96K          294
               bus         1001           80K         3401
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          500           63K          500
               BPF           30           53K           30
              umtx          342           43K          342
           kdtrace          192           38K         6095
              temp           35           33K         2424
         hostcache            1           32K            1
               shm            1           32K            3
            DEVFS3          124           31K          134
               msg            4           30K            4
            ifaddr           80           28K           89
        DEVFS_RULE           56           27K           56
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
         ufs_mount            3           17K            4
           lltable           45           17K           77
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           98           16K           98
       ether_multi          177           15K          495
            bus-sc           30           14K         1431
              cred           51           13K          443
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           99
      eventhandler          132           12K          132
         in6_multi           90           11K          202
         pfs_nodes           20           10K           20
              GEOM           60           10K          484
              rman           82           10K          423
         bmsafemap            2            9K         1060
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
         sctp_timw           32            8K           32
             shmfd            1            8K            7
       pfs_vncache            1            8K            1
     audit_evclass          233            8K          291
          routetbl           30            7K           52
           CAM DEV            3            6K          510
         sctp_atcl           12            6K          260
         sctp_stro            6            6K           95
            select           47            6K           47
            kqueue           60            6K         1681
                vt           11            6K           11
            plimit           22            6K          466
            sglist            5            6K            5
         CAM queue            5            6K         1528
           pf_rule            5            5K           15
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
            DEVFSP           74            5K          168
          pf_ifnet           10            5K           23
          pf_table            2            4K            6
           memdesc            1            4K            1
               MCA           32            4K           32
               UMA          248            4K          248
             evdev            4            4K            4
          kcovinfo           64            4K          153
             lockf           34            4K          527
            dirrem           14            4K          912
           session           28            4K           47
              pgrp           28            4K           47
             hhook           13            4K           13
           acpisem           22            3K           22
          terminal           11            3K           11
         proc-args           47            3K          671
          sctp_ifa           19            3K           32
           uidinfo            4            3K           27
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           31
          freefile           14            2K          906
            Unitno           30            2K         3337
           CAM XPT           22            2K          543
          in_multi            6            2K           12
           acpidev           20            2K           20
               msi            9            2K            9
               tun            7            2K            7
          freework            5            2K         1237
           softdep            1            1K            1
             mkdir            8            1K         1458
          freeblks            4            1K          804
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             clone            8            1K            8
       vnodemarker            2            1K          190
      NFSD session            1            1K            1
        CAM periph            4            1K          271
         newdirblk            7            1K          729
            diradd            6            1K          969
               mld            6            1K            6
          sctp_ifn            6            1K           11
         sctp_atky           18            1K          358
              igmp            6            1K            6
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
       inpcbpolicy           23            1K         3350
             mount           16            1K           86
          pci_link           10            1K           10
            crypto            3            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
     hyperv_socket            1            1K            1
            vnodes            1            1K            3
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
         sctp_athm           12            1K          263
          sctp_map           12            1K          194
        loginclass            3            1K            6
     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
            soname            5            1K         6421
              ktls            1            1K            1
               iov            2            1K        16490
          pmchooks            1            1K            1
            prison            4            1K            4
          nexusdev            5            1K            5
           entropy            2            1K           44
       in6_mfilter            1            1K          272
          sctp_vrf            1            1K            1
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
          filecaps            3            1K          102
              cpus            2            1K            2
      ip6_moptions            1            1K          272
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
           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
       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
           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         9741
               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          651
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           93
           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           11
        allocindir            0            0K            0
          indirdep            0            0K          568
       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            6
       ip6_msource            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          234
         sctp_iter            0            0K           26
         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           26
         sctp_aadr            0            0K            3
         sctp_stri            0            0K            6
      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          898
       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          352
              accf            0            0K            0
               pts            0            0K            0
          ioctlops            0            0K          212
           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          631
            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
      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    9272     126        9272       0     254   19247104        0
       mbuf_packet    256    8204     940      681597       0     254    2340864        0
               512    512    4142      34        4174       0      30    2138112        0
   mbuf_jumbo_page   4096       0     508         178       0     254    2080768        0
          BUF TRIE    144     332   13164        7057       0      62    1943424        0
        RADIX NODE    144   11885     600      119713       0      62    1797840        0
              4096   4096     333       5         490       0       2    1384448        0
               128    128   10012     342       10912       0     126    1325312        0
         sctp_asoc   2288       6     504          95       0     254    1166880        0
              pbuf    832       0     953           0       0       2     792896        0
       UMA Slabs 0    112    6786      12        6786       0     126     761376        0
           sctp_ep   1280       6     504         162       0     254     652800        0
             tcpcb   1032       6     511         373       0     254     533544        0
              mbuf    256     623    1423      345430       0     254     523776        0
            socket    904      39     474        4698       0     254     463752        0
        sctp_raddr    736       6     511          95       0     254     380512        0
        256 Bucket   2048     164      14        1392       0       8     364544        0
         VM OBJECT    264    1212      78       28126       0      30     340560        0
            THREAD   1776     145      26        2814       0       8     303696        0
       tcp_bbr_map    128       0    2294        2158       0     126     293632        0
             VNODE    488     571      29        1481       0      30     292800        0
               256    256      62    1063        4115       0      62     288000        0
             65536  65536       4       0           4       0       1     262144        0
             32768  32768       2       6         504       0       1     262144        0
              4096   4096      59       5        1679       0       2     262144        0
             ripcb    488       6     506         418       0     254     249856        0
     udplite_inpcb    488       9     503        2336       0     254     249856        0
         tcp_inpcb    488       6     506         373       0     254     249856        0
         udp_inpcb    488       2     510         223       0     254     249856        0
              2048   2048       2     118        9775       0       8     245760        0
             16384  16384       9       4         895       0       1     212992        0
                64     64    2681     406        2709       0     254     197568        0
             65536  65536       2       1         114       0       1     196608        0
                16     16   11711     539       11828       0     254     196000        0
             g_bio    408       0     480       36621       0      30     195840        0
               128    128    1134     261       24036       0     126     178560        0
         UMA Zones    768     222       4         222       0      16     173568        0
         MAP ENTRY     96    1484     280       91253       0     126     169344        0
       FFS2 dinode    256     535      95        1443       0      62     161280        0
                32     32    4398     264        5472       0     254     149184        0
              1024   1024     122      22         142       0      16     147456        0
         vmem btag     56    2187     176        2187       0     254     132328        0
             65536  65536       1       1           3       0       1     131072        0
             65536  65536       0       2         121       0       1     131072        0
             65536  65536       2       0           2       0       1     131072        0
              4096   4096      31       1          42       0       2     131072        0
             unpcb    256      14     496        1143       0     254     130560        0
        sctp_chunk    152       0     780         811       0     254     118560        0
          ksiginfo    112      54     990          92       0     126     116928        0
           VMSPACE   2536      35      10        1653       0       4     114120        0
              PROC   1312      57      24        1674       0       8     106272        0
        128 Bucket   1024      66      33         318       0      16     101376        0
         FFS inode    160     535      90        1443       0      62     100000        0
               256    256     211     179        5411       0      62      99840        0
             16384  16384       3       3          11       0       1      98304        0
               512    512      28     156        1828       0      30      94208        0
         filedesc0   1088      58      19        1675       0       8      83776        0
          UMA Kegs    384     208       7         208       0      30      82560        0
       S VFS Cache    108     625     131        2188       0     126      81648        0
               256    256     148     167        1386       0      62      80640        0
              1024   1024       4      64         275       0      16      69632        0
         64 Bucket    512      95      41        4007       0      30      69632        0
                64     64     550     521        2741       0     254      68544        0
                64     64     514     557        1598       0     254      68544        0
               128    128     306     221        1214       0     126      67456        0
               128    128     221     306        2778       0     126      67456        0
             65536  65536       0       1           8       0       1      65536        0
               256    256      28     227        2348       0      62      65280        0
               512    512      43      77         323       0      30      61440        0
sctp_stream_msg_out    112       6     534           9       0     254      60480        0
              8192   8192       4       3          32       0       1      57344        0
            clpbuf    832       0      64        3088       0      16      53248        0
                64     64     383     436       16143       0     254      52416        0
               128    128     167     236         530       0     126      51584        0
               256    256      92     103        1507       0      62      49920        0
               256    256     127      68         681       0      62      49920        0
         32 Bucket    256      52     143         864       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       18309       0      16      49152        0
             16384  16384       2       1           3       0       1      49152        0
              2048   2048       7      17         523       0       8      49152        0
              2048   2048       7      17         163       0       8      49152        0
               512    512      84      12         201       0      30      49152        0
               512    512      74      22         395       0      30      49152        0
          syncache    168       0     264           4       0     254      44352        0
              8192   8192       4       1          85       0       1      40960        0
              4096   4096       8       2         462       0       2      40960        0
        sctp_readq    152       0     260           2       0     254      39520        0
              pipe    760      20      30         428       0      16      38000        0
             selfd     64      93     474       12401       0     254      36288        0
                64     64      11     556          25       0     254      36288        0
                64     64     172     395        2096       0     254      36288        0
                64     64      71     496         503       0     254      36288        0
                64     64      42     525         144       0     254      36288        0
               128    128      40     239         114       0     126      35712        0
               128    128      78     201        6147       0     126      35712        0
               128    128      84     195         907       0     126      35712        0
     routing nhops    256      16     119          59       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      35     100          79       0      62      34560        0
               256    256       9     126        2857       0      62      34560        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       0       1         112       0       1      32768        0
              8192   8192       3       1           5       0       1      32768        0
              8192   8192       3       1           5       0       1      32768        0
              2048   2048       7       9           9       0       8      32768        0
              2048   2048      13       3          17       0       8      32768        0
              2048   2048       2      14           2       0       8      32768        0
              2048   2048       1      15         487       0       8      32768        0
              1024   1024       8      24         126       0      16      32768        0
              1024   1024       1      31        1287       0      16      32768        0
              1024   1024       7      25          23       0      16      32768        0
              1024   1024      16      16          16       0      16      32768        0
              1024   1024      19      13          19       0      16      32768        0
              1024   1024       1      31          24       0      16      32768        0
               512    512       5      59          13       0      30      32768        0
               512    512      33      31          48       0      30      32768        0
     mt_stats_zone     64     439      73         439       0     254      32768        0
           64 pcpu      8    3832     264        3962       0     254      32768        0
             KNOTE    160      27     173       28211       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     216     184       13145       0     126      32000        0
       tcp_bbr_pcb    832       0      36           5       0      16      29952        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588         345       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
               PWD     32      20     862         819       0     254      28224        0
                32     32     358     524        4382       0     254      28224        0
          4 Bucket     48       5     583       12446       0     254      28224        0
           rtentry    200      34     106          59       0      62      28000        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
         TURNSTILE    136     172      17         172       0      62      25704        0
              8192   8192       3       0           3       0       1      24576        0
              4096   4096       3       3           6       0       2      24576        0
              4096   4096       3       3         901       0       2      24576        0
          rl_entry     40      81     525          81       0     254      24240        0
      vtnet_tx_hdr     24       0    1002      335153       0     254      24048        0
          8 Bucket     80      84     216       17632       0     126      24000        0
        SLEEPQUEUE     88     172      84         172       0     126      22528        0
             udpcb     32      11     619        2559       0     254      20160        0
                32     32      99     531         676       0     254      20160        0
                32     32      26     604         811       0     254      20160        0
                32     32      88     542        1769       0     254      20160        0
                32     32      74     556        3911       0     254      20160        0
                32     32      38     592        2650       0     254      20160        0
         16 Bucket    144      64      76       10542       0      62      20160        0
          procdesc    136       3     142          14       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       1       0           1       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              4096   4096       0       4          26       0       2      16384        0
              2048   2048       1       7          13       0       8      16384        0
               512    512       2      30          59       0      30      16384        0
           pf tags    104       1     155           3       0     126      16224        0
             rentr     24       0     668          12       0     254      16032        0
           mt_zone     24     439     229         439       0     254      16032        0
               MAP    216       2      69           2       0      62      15336        0
              vmem   1856       1       7           1       0       8      14848        0
                32     32       3     375          26       0     254      12096        0
          2 Bucket     32      61     317       10003       0     254      12096        0
                16     16      11     739         264       0     254      12000        0
                16     16      32     718        1010       0     254      12000        0
                16     16      59     691         779       0     254      12000        0
                16     16     193     557        1245       0     254      12000        0
                16     16      14     736          20       0     254      12000        0
                16     16     258     492         437       0     254      12000        0
                16     16      17     733       23929       0     254      12000        0
       Mountpoints   2816       2       2           2       0       4      11264        0
              4096   4096       0       2           1       0       2       8192        0
           SMR CPU     32       1     254           1       0     254       8160        0
        SMR SHARED     24       1     254           1       0     254       6120        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
          int pcpu      4      18     494          18       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 mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       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
      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
         VNODEPOLL    120       0       0           0       0     126          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    240       0       0           0       0      62          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
             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
             16384  16384       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/05/22 18:32 freebsd 59fb2cca731a 9682898d console log report ci-freebsd-main
2020/05/22 03:59 freebsd 46c2358a6391 5afa2ddd console log report ci-freebsd-main
* Struck through repros no longer work on HEAD.