panic: Queues are not empty when handling SHUTDOWN-ACK

panic: Queues are not empty when handling SHUTDOWN-ACK
Status: upstream: reported syz repro on 2020/06/16 10:05
Reported-by: syzbot+498f82eefbf34dd0a313@syzkaller.appspotmail.com
First crash: 213d, last: 1d07h

Sample crash report:
login: panic: Queues are not empty when handling SHUTDOWN-ACK
cpuid = 0
time = 1605563859
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0003636210
vpanic() at vpanic+0x1c7/frame 0xfffffe0003636270
panic() at panic+0x43/frame 0xfffffe00036362d0
sctp_process_control() at sctp_process_control+0x9940/frame 0xfffffe0003636750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe00036368e0
sctp_input_with_port() at sctp_input_with_port+0x308/frame 0xfffffe00036369d0
sctp_input() at sctp_input+0x1f/frame 0xfffffe00036369f0
ip_input() at ip_input+0x388/frame 0xfffffe0003636a90
swi_net() at swi_net+0x20d/frame 0xfffffe0003636b10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe0003636bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe0003636bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0003636bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100020 ]
Stopped at      kdb_enter+0x67: movq    $0,0x147a516(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff818cc271
rbx                          0
rsp         0xfffffe00036361f0
rbp         0xfffffe0003636210
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10         0xfffffe00036367dc
r11                       0xbf
r12         0xffffffff820671c0  ddb_dbbe
r13                          0
r14         0xffffffff8197455d
r15         0xffffffff8197455d
rip         0xffffffff810e1067  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x147a516(%rip)
db> show proc
Process 12 (intr) at 0xfffff800042b0a40:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8250ee30
 ABI: null
 reaper: 0xffffffff8250ee30 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8250fa80
   (map 0xffffffff8250fa80)
   (map.pmap 0xffffffff8250fb40)
   (pmap 0xffffffff8250fba0)
 threads: 23
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100020                   Run     CPU 0                       [swi1: netisr 0]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  874   769   769     0  R       (threaded)                  syz-executor.0
100079                   Run     CPU 1                       syz-executor.0
100297                   S       uwait   0xfffff8004146cd00  syz-executor.0
100298                   RunQ                                syz-executor.0
  804   792   804     0  Ss      select  0xfffff8004146c3c0  dhclient
  796     1   796     0  Ss      select  0xfffff80026f6ea40  dhclient
  792   784   424    65  S       select  0xfffff80026f6eac0  dhclient
  784   424   424     0  S       wait    0xfffff80026f9a520  sh
  769   767   769     0  Ss      nanslp  0xffffffff8252ece0  syz-executor.0
  767   765   765     0  S       (threaded)                  syz-execprog
100108                   S       uwait   0xfffff80004a2e700  syz-execprog
100109                   S       uwait   0xfffff80004a3c100  syz-execprog
100110                   S       uwait   0xfffff80004a3c200  syz-execprog
100111                   S       uwait   0xfffff80004a3c300  syz-execprog
100112                   S       kqread  0xfffff80004b2ab00  syz-execprog
100113                   S       uwait   0xfffff80004a2e900  syz-execprog
100114                   S       uwait   0xfffff80004a2eb00  syz-execprog
  765   763   765     0  Ss      pause   0xfffff800410f2ae8  csh
  763   682   763     0  Ss      select  0xfffff80026f6ecc0  sshd
  742     1   742     0  Ss+     ttyin   0xfffff80004697cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffff800049940b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff800049944b0  getty
  739     1   739     0  Ss+     ttyin   0xfffff800049948b0  getty
  738     1   738     0  Ss+     ttyin   0xfffff80004994cb0  getty
  737     1   737     0  Ss+     ttyin   0xfffff8000498a0b0  getty
  736     1   736     0  Ss+     ttyin   0xfffff8000498a4b0  getty
  735     1   735     0  Ss+     ttyin   0xfffff8000498a8b0  getty
  734     1   734     0  Ss+     ttyin   0xfffff8000498acb0  getty
  732     1    24     0  S+      piperd  0xfffff80004a9e5d0  logger
  731   730    24     0  S+      nanslp  0xffffffff8252ece1  sleep
  730     1    24     0  S+      wait    0xfffff80026f9a000  sh
  686     1   686     0  Ss      nanslp  0xffffffff8252ece0  cron
  682     1   682     0  Ss      select  0xfffff80004b68040  sshd
  495     1   495     0  Ss      select  0xfffff80004a3ccc0  syslogd
  424     1   424     0  Ss      wait    0xfffff80004afa520  devd
  423     1   423    65  Ss      select  0xfffff80004b680c0  dhclient
  338     1   338     0  Ss      select  0xfffff80004b681c0  dhclient
  335     1   335     0  Ss      select  0xfffff80004b68240  dhclient
   23     0     0     0  DL      syncer  0xffffffff8261c0b8  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff800049e8a40  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff8261b180  [bufdaemon]
100077                   D       -       0xffffffff8200acc0  [bufspacedaemon-0]
100088                   D       sdflush 0xfffff80004a590e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82642648  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff82636ab8  [dom0]
100075                   D       launds  0xffffffff82636ac4  [laundry: dom0]
100076                   D       umarcl  0xffffffff814ec3b0  [uma]
   18     0     0     0  DL      -       0xffffffff823634f8  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82dd4818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82b5b390  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261a75c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261a75c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261a75c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261a75c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223b240  [doneq0]
100067                   D       -       0xffffffff8223b110  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff8000417eb90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000417eb30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82633fb0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80004302888  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff8250e8a0  [g_event]
100026                   D       -       0xffffffff8250e8a8  [g_up]
100027                   D       -       0xffffffff8250e8b0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004184d00  [thr_0]
100019                   D       -       0xfffff80004184d80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100012                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100020                   Run     CPU 0                       [swi1: netisr 0]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004292520  [init]
   10     0     0     0  DL      audit_w 0xffffffff826344d0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250ee30  [swapper]
100005                   D       -       0xfffff800042aee00  [if_io_tqg_0]
100006                   D       -       0xfffff800042aed00  [if_io_tqg_1]
100007                   D       -       0xfffff800042aec00  [if_config_tqg_0]
100008                   D       -       0xfffff800042aeb00  [softirq_0]
100009                   D       -       0xfffff800042aea00  [softirq_1]
100010                   D       -       0xfffff800042ae900  [inm_free taskq]
100013                   D       -       0xfffff800042ae600  [aiod_kick taskq]
100014                   D       -       0xfffff800042ae500  [thread taskq]
100015                   D       -       0xfffff800042ae400  [in6m_free taskq]
100017                   D       -       0xfffff800042ae200  [kqueue_ctx taskq]
100024                   D       -       0xfffff800042ae100  [firmware taskq]
100029                   D       -       0xfffff800042f5400  [crypto_0]
100030                   D       -       0xfffff800042f5400  [crypto_1]
100044                   D       -       0xfffff800044c3000  [vtnet0 rxq 0]
100045                   D       -       0xfffff8000467de00  [vtnet0 txq 0]
100046                   D       -       0xfffff8000467dd00  [vtnet0 rxq 1]
100047                   D       -       0xfffff8000467dc00  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004686480  [virtio_balloon]
100053                   D       -       0xfffff8000467d000  [mca taskq]
100056                   D       -       0xffffffff81d1c491  [deadlkres]
100063                   D       -       0xfffff8000447de00  [acpi_task_0]
100064                   D       -       0xfffff8000447de00  [acpi_task_1]
100065                   D       -       0xfffff8000447de00  [acpi_task_2]
100066                   D       -       0xfffff8000447dc00  [CAM taskq]
db> show all locks
Process 12 (intr) thread 0xfffffe00048b2a00 (100020)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0025881a90) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2143
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4214         4339K         4239
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        29217         1704K        29281
              kobj          336         1344K          496
            newblk          392         1122K          516
          vfscache            3         1025K            3
               pcb           46          557K         1002
          inodedep           26          522K          169
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          122          235K          945
            acpica         1674          184K        52377
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           13          131K          224
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          102          102K          113
            linker          254           97K          285
               bus          979           79K         3034
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          507           64K          507
              umtx          306           39K          306
          filedesc            5           37K          169
               BPF           19           36K           19
              temp           23           33K         1629
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          167           32K         1979
            DEVFS3          121           31K          131
               msg            4           30K            4
        gtaskqueue           18           26K           18
              vmem            3           22K            4
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
            dirrem           77           20K          104
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            ifaddr           43           15K           43
            bus-sc           30           14K         1415
            KTRACE          100           13K          100
              kenv           92           12K           92
      eventhandler          132           12K          132
              GEOM           60           10K          489
              rman           82           10K          423
         sctp_atcl           24            9K         1232
         bmsafemap            4            9K          126
         sctp_timw           33            9K           33
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          233            8K          291
             ifnet            4            7K            4
           CAM DEV            3            6K          510
           lltable           20            6K           20
       ether_multi           73            6K           83
              cred           22            6K          239
            kqueue           54            6K          879
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
         in6_multi           41            5K           41
            plimit           19            5K          344
       ufs_dirhash           24            5K           24
                vt           11            5K           11
               UMA          254            5K          254
         sctp_stro            4            4K          308
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          routetbl           18            4K           18
          pf_ifnet            7            4K           10
             hhook           13            4K           13
          freefile           25            4K          101
           session           23            3K           34
              pgrp           23            3K           34
          terminal           11            3K           11
           acpisem           22            3K           22
         proc-args           44            3K          505
           uidinfo            3            3K            8
         sctp_stri            4            2K          308
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             lockf           19            2K           29
             selfd           31            2K         7068
           CAM XPT           22            2K          543
            Unitno           25            2K           39
            ip6ndp            8            2K            9
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
            select           10            2K           34
         sctp_atky           28            2K         1386
               msi            9            2K            9
             clone            9            2K            9
          sctp_ifa            8            1K           10
           softdep            1            1K            1
            diradd            8            1K          120
          indirdep            4            1K            4
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          in_multi            3            1K            5
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
 encap_export_host           12            1K           12
            crypto            3            1K            3
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
          sctp_ifn            3            1K           10
         sctp_athm           24            1K         1232
               mld            3            1K            3
              igmp            3            1K            3
    chacha20random            1            1K            1
               tun            4            1K            4
               osd            3            1K            9
            DEVFSP            5            1K            5
       inpcbpolicy            9            1K          299
             mkdir            2            1K          174
            vnodes            1            1K            1
              ktls            1            1K            1
          procdesc            2            1K            8
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
        loginclass            3            1K            7
            prison            6            1K            6
          sctp_map            8            1K          616
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
          freework            1            1K          102
         newdirblk            1            1K           87
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
          filecaps            5            1K           69
            soname            4            1K         3382
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           39
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         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            4
         sctp_aadr            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        madt_table            0            0K            2
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
          smartpqi            0            0K            0
            pvscsi            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
              iavf            0            0K            0
               ixl            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
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
               agp            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
           nvme_da            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
      twa_commands            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
     vm_fictitious            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         2099
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           83
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            2
           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
          freeblks            0            0K          101
          freefrag            0            0K            5
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
             xform            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9533       1        9533       0     254   19525632        0
       mbuf_packet    256    8201    1204       23766       0     254    2407680        0
          BUF TRIE    144     164   13304         710       0      62    1939392        0
        malloc-384    384    4188      12        4461       0      30    1612800        0
       malloc-4096   4096     388       4        1371       0       2    1605632        0
        malloc-128    128    9600      72        9719       0     126    1238016        0
              pbuf    832       0     985           0       0       2     819520        0
       UMA Slabs 0    112    5567      10        5567       0     126     624624        0
         FFS inode   1128     491      27         592       0       8     584304        0
      malloc-65536  65536       4       2         169       0       1     393216        0
        RADIX NODE    144    2216     189       22630       0      62     346320        0
             VNODE    488     522      62         625       0      30     284992        0
         VM OBJECT    264    1004      61       14138       0      30     281160        0
            THREAD   1792     132      21         298       0       8     274176        0
        256 Bucket   2048     116       2        6473       0       8     241664        0
            DEVCTL   1024       0     208         113       0       0     212992        0
        malloc-256    256     667     128        1847       0      62     203520        0
         malloc-16     16   12225     275       12294       0     254     200000        0
         malloc-64     64    2983     104        3834       0     254     197568        0
         UMA Zones    768     226       3         226       0      16     175872        0
              mbuf    256     426     204       12145       0     254     161280        0
         malloc-32     32    4769     271        5939       0     254     161280        0
         sctp_asoc   2288       4      66         308       0     254     160160        0
        malloc-128    128    1195      45       24470       0     126     158720        0
            socket    944      28     140        1835       0     254     158592        0
           sctp_ep   1280      16     107         462       0     254     157440        0
        sctp_raddr    736      18     191         924       0     254     153824        0
       FFS2 dinode    256     491      49         592       0      62     138240        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
       malloc-1024   1024     115      13        1226       0      16     131072        0
         MAP ENTRY     96    1036     266       40781       0     126     124992        0
       S VFS Cache    104     979     191        1101       0     126     121680        0
          ksiginfo    112      54     990          72       0     126     116928        0
       malloc-2048   2048      14      40        2758       0       8     110592        0
        malloc-128    128     769      37        1756       0     126     103168        0
         vmem btag     56    1737      51        1737       0     254     100128        0
           VMSPACE   2544      29      10         853       0       4      99216        0
      malloc-16384  16384       5       1         144       0       1      98304        0
      malloc-16384  16384       2       4          84       0       1      98304        0
              PROC   1312      51      18         874       0       8      90528        0
       malloc-8192   8192       7       3         124       0       1      81920        0
          UMA Kegs    384     212       1         212       0      30      81792        0
         filedesc0   1080      52      18         875       0       8      75600        0
        malloc-128    128     563      26        3543       0     126      75392        0
             g_bio    408       0     180        6047       0      30      73440        0
        malloc-256    256     151     119        1588       0      62      69120        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         112       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-4096   4096      13       2          25       0       2      61440        0
        malloc-256    256     137      73         371       0      62      53760        0
         malloc-64     64     579     240        3126       0     254      52416        0
       malloc-2048   2048       7      17         559       0       8      49152        0
        128 Bucket   1024      34      13         903       0      16      48128        0
         32 Bucket    256      48     132         854       0      62      46080        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-4096   4096      10       0          13       0       2      40960        0
       malloc-1024   1024       5      35         309       0      16      40960        0
         malloc-64     64     557      73         784       0     254      40320        0
        malloc-384    384      39      61         182       0      30      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       12326       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
        malloc-512    512      13      59         317       0      30      36864        0
            pcpu-8      8    3964     644        3968       0     254      36864        0
        malloc-384    384      25      65        1233       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
           pcpu-64     64     451      61         451       0     254      32768        0
        sctp_chunk    152      12     196         993       0     254      31616        0
        malloc-384    384      71       9          94       0      30      30720        0
       malloc-4096   4096       5       2         457       0       2      28672        0
         64 Bucket    512      50       6         621       0      30      28672        0
            clpbuf    832       0      32          99       0      16      26624        0
   mbuf_jumbo_page   4096       0       6          10       0     254      24576        0
       malloc-8192   8192       2       1           4       0       1      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128     105      81         204       0     126      23808        0
             tcpcb   1048       3      19           7       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
         TURNSTILE    136     154      14         154       0      62      22848        0
       malloc-1024   1024      16       4          19       0      16      20480        0
         malloc-32     32     278     352        3719       0     254      20160        0
          4 Bucket     48       9     411       10338       0     254      20160        0
             Files     80     104     146        7312       0     126      20000        0
        malloc-128    128      32     123         431       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      52      23         463       0      62      19200        0
        malloc-256    256      24      51         445       0      62      19200        0
              pipe    744      12      13         293       0      16      18600        0
        SLEEPQUEUE     88     154      38         154       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-1024   1024      16       0          16       0      16      16384        0
          8 Bucket     80      46     154        4584       0     126      16000        0
             ripcb    488       4      28         159       0     254      15616        0
       malloc-4096   4096       0       3         271       0       2      12288        0
       malloc-2048   2048       6       0           7       0       8      12288        0
       malloc-1024   1024       7       5           7       0      16      12288        0
        malloc-512    512       5      19         672       0      30      12288        0
         malloc-64     64     126      63         131       0     254      12096        0
         malloc-64     64      38     151        7101       0     254      12096        0
         malloc-16     16     498     252        1892       0     254      12000        0
        malloc-128    128      73      20          85       0     126      11904        0
         udp_inpcb    488       2      22         133       0     254      11712        0
             unpcb    256      11      34        1054       0     254      11520        0
        malloc-384    384      19      11          19       0      30      11520        0
        malloc-384    384      12      18          13       0      30      11520        0
       malloc-4096   4096       2       0           2       0       2       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-2048   2048       0       4         256       0       8       8192        0
       malloc-1024   1024       4       4           9       0      16       8192        0
       malloc-1024   1024       5       3           5       0      16       8192        0
        malloc-512    512       3      13           9       0      30       8192        0
        malloc-512    512       4      12           5       0      30       8192        0
           rtentry    176      20      26          24       0      62       8096        0
          rl_entry     40      35     167          35       0     254       8080        0
sctp_stream_msg_out    112       0      72         151       0     254       8064        0
        sctp_laddr     48       0     168           7       0     254       8064        0
             udpcb     32       2     250         133       0     254       8064        0
               PWD     32      13     239         178       0     254       8064        0
         malloc-64     64      18     108       13319       0     254       8064        0
         malloc-64     64       3     123          20       0     254       8064        0
         malloc-64     64       3     123          27       0     254       8064        0
         malloc-32     32      46     206         478       0     254       8064        0
         malloc-32     32       7     245          21       0     254       8064        0
         malloc-32     32     182      70        1609       0     254       8064        0
         malloc-32     32      26     226          73       0     254       8064        0
         malloc-32     32      11     241          74       0     254       8064        0
         malloc-32     32      17     235          35       0     254       8064        0
         16 Bucket    144      35      21         197       0      62       8064        0
          2 Bucket     32      52     200        9963       0     254       8064        0
      vtnet_tx_hdr     24       0     334         850       0     254       8016        0
             KNOTE    160       8      42         468       0      62       8000        0
         malloc-16     16       1     499         679       0     254       8000        0
         malloc-16     16       2     498           2       0     254       8000        0
         malloc-16     16      10     490          49       0     254       8000        0
         malloc-16     16      39     461       24209       0     254       8000        0
         malloc-16     16       8     492         120       0     254       8000        0
         malloc-16     16      27     473        1237       0     254       8000        0
        malloc-128    128      13      49         275       0     126       7936        0
        sctp_readq    152       7      45         150       0     254       7904        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
              kenv    258       3      27        1000       0      30       7740        0
     routing nhops    256      16      14          24       0      62       7680        0
        malloc-256    256       3      27         364       0      62       7680        0
        malloc-256    256      22       8          27       0      62       7680        0
        malloc-256    256      12      18         269       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           2       0       2       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
        malloc-512    512       2       6           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
     udplite_inpcb    488       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    744       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf    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
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
Crashes (50):
Manager	Time	Kernel	Commit	Syzkaller	Log	Report	Syz repro
ci-freebsd-main	2020/11/16 21:59	freebsd	b7923586	1bf9a662	log	report	syz
ci-freebsd-main	2020/10/12 00:25	freebsd	4d382a75	4a77ae0b	log	report	syz
ci-freebsd-main	2020/09/25 18:12	freebsd	15ceb740	4a006f63	log	report	syz
ci-freebsd-main	2020/09/24 22:54	freebsd	bba7c438	54289b08	log	report	syz
ci-freebsd-main	2020/09/14 06:19	freebsd	51f41746	21d289c2	log	report	syz
ci-freebsd-i386	2020/11/16 23:44	freebsd	9f09587c	1bf9a662	log	report	syz
ci-freebsd-i386	2020/10/12 00:59	freebsd	e9116d93	4a77ae0b	log	report	syz
ci-freebsd-i386	2020/09/25 17:33	freebsd	15ceb740	4a006f63	log	report	syz
ci-freebsd-i386	2020/09/24 23:27	freebsd	09a30ff7	54289b08	log	report	syz
ci-freebsd-i386	2020/09/14 08:54	freebsd	51f41746	21d289c2	log	report	syz
ci-freebsd-main	2021/01/03 20:58	freebsd	de1aa3da	79264ae3	log	report
ci-freebsd-main	2020/12/29 12:59	freebsd	9e4440ca	8259d56c	log	report
ci-freebsd-main	2020/12/28 13:42	freebsd	9e4440ca	8259d56c	log	report
ci-freebsd-main	2020/12/28 01:52	freebsd	9e4440ca	821e0b09	log	report
ci-freebsd-main	2020/12/24 14:53	freebsd	9e4440ca	c2c1d1dd	log	report
ci-freebsd-main	2020/12/05 05:06	freebsd	c22d322b	9e0b299f	log	report
ci-freebsd-main	2020/12/05 04:59	freebsd	c22d322b	9e0b299f	log	report
ci-freebsd-main	2020/12/02 12:52	freebsd	60a2cf64	eff43e99	log	report
ci-freebsd-main	2020/11/30 11:50	freebsd	89befc5c	76831598	log	report
ci-freebsd-main	2020/11/28 17:34	freebsd	21c5c401	76b4dcc7	log	report
ci-freebsd-main	2020/11/28 10:49	freebsd	d94e1f51	486f93ef	log	report
ci-freebsd-main	2020/11/16 21:41	freebsd	b7923586	1bf9a662	log	report
ci-freebsd-main	2020/10/26 22:22	freebsd	ba9a95ce	c62e79ba	log	report
ci-freebsd-main	2020/10/16 11:14	freebsd	47b98bdf	6e262c73	log	report
ci-freebsd-main	2020/10/15 00:05	freebsd	e3142432	fc7735a2	log	report
ci-freebsd-main	2020/10/12 00:13	freebsd	4d382a75	4a77ae0b	log	report
ci-freebsd-main	2020/10/01 23:22	freebsd	feb48a00	9602ddf4	log	report
ci-freebsd-main	2020/09/24 22:47	freebsd	bba7c438	54289b08	log	report
ci-freebsd-main	2020/09/24 22:14	freebsd	bba7c438	54289b08	log	report
ci-freebsd-main	2020/09/18 07:19	freebsd	d833f9fd	38962c8b	log	report
ci-freebsd-main	2020/09/14 06:01	freebsd	51f41746	21d289c2	log	report
ci-freebsd-main	2020/09/02 18:52	freebsd	c9bdaf9d	abf9ba4f	log	report
ci-freebsd-main	2020/08/31 11:27	freebsd	820bed5b	d5a3ae1f	log	report
ci-freebsd-main	2020/07/04 19:15	freebsd	fc498f73	695ef2dd	log	report
ci-freebsd-i386	2020/12/24 20:20	freebsd	9e4440ca	c2c1d1dd	log	report
ci-freebsd-i386	2020/12/23 13:54	freebsd	9e4440ca	c2c1d1dd	log	report
ci-freebsd-i386	2020/12/15 21:42	freebsd	e40a30df	f213e07e	log	report
ci-freebsd-i386	2020/12/10 20:40	freebsd	def1f148	2a55c22b	log	report
ci-freebsd-i386	2020/10/04 16:14	freebsd	cd0149b3	5ef9c291	log	report
ci-freebsd-i386	2020/09/25 13:41	freebsd	15ceb740	4a006f63	log	report
ci-freebsd-i386	2020/09/15 11:25	freebsd	a1931422	6989d6f6	log	report
ci-freebsd-i386	2020/09/05 06:10	freebsd	fda96f32	abf9ba4f	log	report
ci-freebsd-i386	2020/08/29 18:31	freebsd	6799b220	d5a3ae1f	log	report
ci-freebsd-i386	2020/08/24 09:37	freebsd	4f1f3fbe	cef5ae68	log	report
ci-freebsd-i386	2020/06/16 10:04	freebsd	58a1a1f8	baca2611	log	report
ci-freebsd-main	2021/01/14 14:03	https://github.com/freebsd/freebsd-src.git main	e47a6525	468dbb55	log	report
ci-freebsd-main	2021/01/13 11:21	https://github.com/freebsd/freebsd-src.git main	f6d95a01	a945f0a3	log	report
ci-freebsd-main	2021/01/08 04:14	https://github.com/freebsd/freebsd-src.git main	b363d3d5	c104d4a3	log	report
ci-freebsd-main	2021/01/06 20:51	https://github.com/freebsd/freebsd-src.git main	fda7daf0	fff20c29	log	report