syzbot


panic: size_on_reasm_queue is 4

Status: auto-closed as invalid on 2021/03/01 10:46
Reported-by: syzbot+69d859931c3fe461b43b@syzkaller.appspotmail.com
First crash: 1239d, last: 1239d

Sample crash report:
panic: size_on_reasm_queue is 4
cpuid = 0
time = 11
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0051f05450
vpanic() at vpanic+0x1c7/frame 0xfffffe0051f054b0
panic() at panic+0x43/frame 0xfffffe0051f05510
sctp_calc_rwnd() at sctp_calc_rwnd+0x1fc/frame 0xfffffe0051f05560
sctp_user_rcvd() at sctp_user_rcvd+0x100/frame 0xfffffe0051f055c0
sctp_sorecvmsg() at sctp_sorecvmsg+0x1d41/frame 0xfffffe0051f05700
sctp_soreceive() at sctp_soreceive+0x1f1/frame 0xfffffe0051f05910
soreceive() at soreceive+0xb9/frame 0xfffffe0051f05970
kern_recvit() at kern_recvit+0x2ff/frame 0xfffffe0051f05a40
freebsd32_recvfrom() at freebsd32_recvfrom+0xb1/frame 0xfffffe0051f05ab0
ia32_syscall() at ia32_syscall+0x237/frame 0xfffffe0051f05bf0
int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xfbffcf78
KDB: enter: panic
[ thread pid 10542 tid 111203 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1471be6(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xfffffe009b600000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe0051f05430
rbp         0xfffffe0051f05450
rsi                    0x40001
rdi         0xffffffff810f67e6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0094c5cd10
r12         0xffffffff820671c0  ddb_dbbe
r13                          0
r14         0xffffffff8197cd84
r15         0xffffffff8197cd84
rip         0xffffffff810eab17  kdb_enter+0x67
rflags                0x200086  kernload+0x86
kdb_enter+0x67: movq    $0,0x1471be6(%rip)
db> show proc
Process 10542 (syz-executor.3) at 0xfffff80018c15528:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 841 at 0xfffff80004eea000
 ABI: FreeBSD ELF32
 arguments: /root/syz-executor.3
 reaper: 0xfffff80004453528 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094c3c3e0
   (map 0xfffffe0094c3c3e0)
   (map.pmap 0xfffffe0094c3c4a0)
   (pmap 0xfffffe0094c3c500)
 threads: 3
100197                   RunQ                                syz-executor.3
111203                   Run     CPU 0                       syz-executor.3
111205                   RunQ                                syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
10543   777   777     0  R       (threaded)                  syz-executor.0
100134                   RunQ                                syz-executor.0
111204                   S       sbwait  0xfffff8007b1b5574  syz-executor.0
10542   841   841     0  R       (threaded)                  syz-executor.3
100197                   RunQ                                syz-executor.3
111203                   Run     CPU 0                       syz-executor.3
111205                   RunQ                                syz-executor.3
 3139  3126  3139     0  Ss      select  0xfffff80004e281c0  dhclient
 3132     1  3132     0  Ss      select  0xfffff80004e28540  dhclient
 3126  3115   436    65  S       select  0xfffff800189f9d40  dhclient
 3115   436   436     0  S       wait    0xfffff8001884fa50  sh
 3106     1  3106    65  Ss      select  0xfffff80004e28840  dhclient
 2309     1  2309     0  Ss      select  0xfffff80004e285c0  dhclient
 2301     1  2301     0  Ss      select  0xfffff80004e28740  dhclient
 2276     1  2276    65  Ss      select  0xfffff80004e28940  dhclient
 1012     1  1012     0  Ss      select  0xfffff80018445b40  dhclient
 1009     1  1009     0  Ss      select  0xfffff80018a69f40  dhclient
  841   774   841     0  Ss      nanslp  0xffffffff8252fea0  syz-executor.3
  839   774   839     0  Rs                                  syz-executor.2
  830   774   830     0  Rs                                  syz-executor.1
  777   774   777     0  Rs                                  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100092                   S       kqread  0xfffff80004eef800  syz-fuzzer
100106                   S       uwait   0xfffff8001829c380  syz-fuzzer
100107                   S       uwait   0xfffff8001829c480  syz-fuzzer
100108                   S       uwait   0xfffff8001829c580  syz-fuzzer
100109                   S       uwait   0xfffff8001829c680  syz-fuzzer
100110                   S       uwait   0xfffff80004de1380  syz-fuzzer
100111                   S       uwait   0xfffff80018445e00  syz-fuzzer
100112                   S       uwait   0xfffff80018445200  syz-fuzzer
100114                   S       uwait   0xfffff80018445300  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffff800184460b0  csh
  770   694   770     0  Ss      select  0xfffff80018445a40  sshd
  754     1   754     0  Ss+     ttyin   0xfffff800048a0cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004ba48b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004ba4cb0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004b9c0b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004b9c4b0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004b9c8b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004b9ccb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004b390b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b394b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8252fea1  cron
  694     1   694     0  Ss      select  0xfffff80018445d40  sshd
  507     1   507     0  Ss      select  0xfffff8001829c740  syslogd
  436     1   436     0  Ss      wait    0xfffff80004e8b528  devd
  435     1   435    65  Ss      select  0xfffff8001829c8c0  dhclient
  350     1   350     0  Ss      select  0xfffff8001829c940  dhclient
  347     1   347     0  Ss      select  0xfffff80004e28c40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8261d238  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004d5da50  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff8261c300  [bufdaemon]
100077                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100086                   D       sdflush 0xfffff800043408e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82643788  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff82637bf8  [dom0]
100075                   D       launds  0xffffffff82637c04  [laundry: dom0]
100076                   D       umarcl  0xffffffff814f6e00  [uma]
   18     0     0     0  DL      -       0xffffffff82364278  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82d50818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82e49390  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223bfc0  [doneq0]
100067                   D       -       0xffffffff8223be90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80004348c90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004348c30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82635110  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800044bf488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff8250f720  [g_event]
100026                   D       -       0xffffffff8250f728  [g_up]
100027                   D       -       0xffffffff8250f730  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004472300  [thr_0]
100019                   D       -       0xfffff80004472380  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 1                       [swi1: netisr 0]
100021                   I                                   [swi3: vm]
100022                   I                                   [swi4: clock (0)]
100023                   I                                   [swi4: clock (1)]
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    0xfffff80004453528  [init]
   10     0     0     0  DL      audit_w 0xffffffff82635630  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250fcb0  [swapper]
100005                   D       -       0xfffff80004477e00  [if_io_tqg_0]
100006                   D       -       0xfffff80004477d00  [if_io_tqg_1]
100007                   D       -       0xfffff80004477c00  [if_config_tqg_0]
100008                   D       -       0xfffff80004477b00  [softirq_0]
100009                   D       -       0xfffff80004477a00  [softirq_1]
100010                   D       -       0xfffff80004342200  [in6m_free taskq]
100011                   D       -       0xfffff80004342000  [thread taskq]
100013                   D       -       0xfffff80004478b00  [inm_free taskq]
100014                   D       -       0xfffff80004478900  [kqueue_ctx taskq]
100017                   D       -       0xfffff80004478300  [aiod_kick taskq]
100024                   D       -       0xfffff8000448ca00  [firmware taskq]
100029                   D       -       0xfffff8000448c300  [crypto_0]
100030                   D       -       0xfffff8000448c300  [crypto_1]
100044                   D       -       0xfffff800044fe300  [vtnet0 rxq 0]
100045                   D       -       0xfffff800044fe200  [vtnet0 txq 0]
100046                   D       -       0xfffff800044fe100  [vtnet0 rxq 1]
100047                   D       -       0xfffff800044fe000  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004645700  [virtio_balloon]
100053                   D       -       0xfffff800048aee00  [mca taskq]
100056                   D       -       0xffffffff81d254f1  [deadlkres]
100063                   D       -       0xfffff80004ac2100  [acpi_task_0]
100064                   D       -       0xfffff80004ac2100  [acpi_task_1]
100065                   D       -       0xfffff80004ac2100  [acpi_task_2]
100066                   D       -       0xfffff800044feb00  [CAM taskq]
db> show all locks
Process 10543 (syz-executor.0) thread 0xfffffe0088562000 (111204)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff8007b1b5518) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:467
Process 10542 (syz-executor.3) thread 0xfffffe0094c5c800 (111203)
exclusive sleep mutex sctp-read (inpr) r = 0 (0xfffff80018ddb4a8) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:6001
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff8007b1828c8) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:467
Process 830 (syz-executor.1) thread 0xfffffe0094b80e00 (100098)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003f0c280) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_bio.c:1674
exclusive lockmgr ufs (ufs) r = 0 (0xfffff800182db810) locked @ /syzkaller/managers/i386/kernel/sys/ufs/ffs/ffs_vfsops.c:1999
exclusive lockmgr ufs (ufs) r = 0 (0xfffff80018ae49f8) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_lookup.c:1047
Process 12 (intr) thread 0xfffffe000470da00 (100020)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094d26380) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:2143
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4339K         4244
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        29250         1706K        29315
              kobj          337         1348K          498
            newblk            5         1025K        14485
          vfscache            3         1025K            3
               pcb          112          583K         7723
          inodedep           67          537K        11954
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          138          266K        10623
            acpica         1674          184K        54318
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            8          130K        19721
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
          filedesc           14          105K        19217
            linker          254           97K          294
               bus          994           81K         3318
          mtx_pool            2           72K            2
               BPF           38           71K           38
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              umtx          342           43K          342
           kdtrace          204           40K        21750
              temp           35           33K         2669
         hostcache            1           32K            1
               shm            1           32K           65
            DEVFS3          124           31K          134
               msg            4           30K            4
              vmem            3           26K            5
        gtaskqueue           18           26K           18
         sctp_timw           99           25K           99
            kbdmux            6           22K            6
            ifaddr           72           21K           72
        DEVFS_RULE           56           20K           56
         sctp_stro           19           19K         1344
            dirrem           72           18K         9838
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
         sctp_atcl           40           15K         4321
           lltable           46           15K          173
            bus-sc           31           14K         1555
       ether_multi          157           13K          172
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          125           11K          125
              GEOM           60           10K          489
              rman           82           10K          423
         in6_multi           71            9K           71
         bmsafemap            2            9K        10090
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
          freefile           64            8K         9836
             shmfd            1            8K           13
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          233            8K          291
              cred           27            7K          404
            sglist            5            7K            5
           CAM DEV            3            6K          510
            kqueue           61            6K        10758
            plimit           23            6K          420
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
            DEVFSP           76            5K           80
       ufs_dirhash           24            5K           24
          pf_ifnet           11            5K           21
                vt           11            5K           11
               UMA          254            5K          254
           memdesc            1            4K            1
               MCA           32            4K           32
          kcovinfo           64            4K           68
             evdev            4            4K            4
           session           31            4K           46
              pgrp           31            4K           50
          routetbl           24            4K           24
           pwddesc           59            4K        10544
             hhook           13            4K           13
             lockf           28            3K           51
             selfd           45            3K       132979
          terminal           11            3K           11
           acpisem           22            3K           22
         proc-args           50            3K          642
         sctp_atky           59            3K         6877
           uidinfo            5            3K           39
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            select           16            2K           96
            ip6ndp           12            2K           15
       inpcbpolicy           59            2K         5193
          sctp_ifa           14            2K           16
            Unitno           28            2K           49
           CAM XPT           22            2K          543
          in_multi            6            2K            9
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
         sctp_stri            2            1K         1700
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           44
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          sctp_ifn            6            1K           16
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_map           38            1K         3958
         sctp_athm           40            1K         5191
 encap_export_host           12            1K           12
            crypto            3            1K            3
             mkdir            4            1K        19210
              pfil            4            1K            4
          procdesc            4            1K           16
           CAM SIM            2            1K            2
              cdev            2            1K            2
         newdirblk            3            1K         9605
            diradd            3            1K         9874
    chacha20random            1            1K            1
           pf_osfp            3            1K            3
               osd            3            1K            9
            vnodes            1            1K            3
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
             frag6            2            1K            3
        loginclass            3            1K            6
            prison            6            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
          freework            1            1K        11381
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
            soname            4            1K        10551
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           41
              vnet            1            1K            1
               iov            1            1K        17989
               pmc            1            1K            1
          filecaps            4            1K          101
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         2042
         sctp_iter            0            0K            9
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K            9
         sctp_aadr            0            0K          184
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            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
              iavf            0            0K            0
               ixl            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            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
               USB            0            0K            0
          xen_intr            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
            twsbuf            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            2
     vm_fictitious            0            0K            0
      midi buffers            0            0K            0
             mixer            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
           UMAHash            0            0K            0
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ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9668       0        9668       0     254   19800064        0
        RADIX NODE    144   12422   14287     1613950       0      62    3846096        0
              pbuf   2632       0     973           0       0       2    2560936        0
       mbuf_packet    256    8255    1285     1151085       0     254    2442240        0
   mbuf_jumbo_page   4096       0     509       12591       0     254    2084864        0
          BUF TRIE    144     186   13282       24954       0      62    1939392        0
        malloc-384    384    4139      11        4143       0      30    1593600        0
       malloc-4096   4096     337       1         498       0       2    1384448        0
        malloc-128    128   10514      26       10883       0     126    1349120        0
              mbuf    256    1857    2223     1493086       0     254    1044480        0
       UMA Slabs 0    112    6253       8        6253       0     126     701232        0
         FFS inode   1128     512      27       10352       0       8     607992        0
         VM OBJECT    264    1306      74      146050       0      30     364320        0
        256 Bucket   2048     148      20       11161       0       8     344064        0
             VNODE    488     548      92       10390       0      30     312320        0
            THREAD   1792     144      27       11205       0       8     306432        0
       malloc-4096   4096      62       6       11130       0       2     278528        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-65536  65536       3       1          11       0       1     262144        0
            DEVCTL   1024       4     208         128       0       0     217088        0
        malloc-384    384      66     494       11953       0      30     215040        0
      malloc-16384  16384       7       6        9607       0       1     212992        0
         malloc-16     16   12270     480       14991       0     254     204000        0
      malloc-65536  65536       0       3         129       0       1     196608        0
      malloc-32768  32768       2       4          15       0       1     196608        0
      malloc-32768  32768       0       6        2520       0       1     196608        0
         malloc-64     64    2757     141        4081       0     254     185472        0
         MAP ENTRY     96    1491     399      564498       0     126     181440        0
        malloc-256    256     102     588       11985       0      62     176640        0
         UMA Zones    768     226       3         226       0      16     175872        0
        sctp_chunk    152     384     760      168696       0     254     173888        0
         malloc-32     32    4838     580       19629       0     254     173376        0
       FFS2 dinode    256     512     133       10351       0      62     165120        0
         sctp_asoc   2288      19      51        1342       0     254     160160        0
        malloc-128    128    1128      81       25318       0     126     154752        0
        sctp_raddr    736      29     180        5442       0     254     153824        0
            socket    944      82      78        9291       0     254     151040        0
        malloc-256    256     146     424       14760       0      62     145920        0
       malloc-4096   4096      35       0          46       0       2     143360        0
       S VFS Cache    104    1007     358       10970       0     126     141960        0
      malloc-65536  65536       0       2         149       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
         64 Bucket    512     202      54       28750       0      30     131072        0
         vmem btag     56    2119     101        2119       0     254     124320        0
       malloc-1024   1024     117       3         159       0      16     122880        0
           VMSPACE   2544      36      12       10527       0       4     122112        0
        malloc-128    128     214     716       30020       0     126     119040        0
          ksiginfo    112      63     981        1263       0     126     116928        0
              PROC   1320      58      20       10543       0       8     102960        0
             tcpcb   1048      53      35        4139       0     254      92224        0
        malloc-256    256     220     140       33106       0      62      92160        0
       malloc-2048   2048      20      24       33702       0       8      90112        0
        128 Bucket   1024      53      34        1998       0      16      89088        0
            clpbuf   2632       0      32          20       0      16      84224        0
         filedesc0   1072      59      18       10544       0       8      82544        0
          UMA Kegs    384     212       1         212       0      30      81792        0
        malloc-256    256     153     162       30847       0      62      80640        0
        malloc-128    128     311     278       10107       0     126      75392        0
       malloc-8192   8192       6       3          34       0       1      73728        0
         malloc-64     64     586     548      144522       0     254      72576        0
      malloc-16384  16384       3       1           5       0       1      65536        0
             g_bio    408       0     160      123761       0      30      65280        0
           sctp_ep   1280      19      29        2127       0     254      61440        0
        malloc-384    384      93      67        4374       0      30      61440        0
       malloc-1024   1024      21      35        1384       0      16      57344        0
         tcp_inpcb    488      54      58        4139       0     254      54656        0
         32 Bucket    256      74     136        7209       0      62      53760        0
         malloc-64     64     265     554       21361       0     254      52416        0
        malloc-128    128     135     268       10025       0     126      51584        0
       malloc-2048   2048       9      13         519       0       8      45056        0
       tcp_bbr_pcb    832      31      23         464       0      16      44928        0
              pipe    744      22      38        1620       0      16      44640        0
         malloc-64     64     524     169        1625       0     254      44352        0
        malloc-384    384      99      11         446       0      30      42240        0
        malloc-256    256      24     141       30478       0      62      42240        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       1      35       54329       0      16      36864        0
            pcpu-8      8    4246     362        4250       0     254      36864        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       0       1         126       0       1      32768        0
      malloc-16384  16384       2       0           5       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
           pcpu-64     64     452      60         452       0     254      32768        0
       malloc-2048   2048       3      11          84       0       8      28672        0
         16 Bucket    144      68     128       52166       0      62      28224        0
             KNOTE    160      28     147      192398       0      62      28000        0
             Files     80     218     132       29688       0     126      28000        0
          8 Bucket     80      48     302       30674       0     126      28000        0
        malloc-128    128     142      75         857       0     126      27776        0
             unpcb    256      17      88        1886       0     254      26880        0
         TURNSTILE    136     172      17         172       0      62      25704        0
       malloc-8192   8192       2       1           6       0       1      24576        0
       malloc-8192   8192       2       1         102       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       4       2           8       0       2      24576        0
       malloc-4096   4096       1       5        9798       0       2      24576        0
               PWD     32      19     737        9688       0     254      24192        0
         malloc-64     64     329      49       17007       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      23      37         161       0      30      23040        0
        malloc-256    256      49      41         192       0      62      23040        0
        malloc-256    256      62      28         777       0      62      23040        0
        malloc-256    256      71      19         549       0      62      23040        0
       malloc-4096   4096       3       2           7       0       2      20480        0
       malloc-2048   2048       6       4         262       0       8      20480        0
       malloc-1024   1024      18       2          18       0      16      20480        0
        malloc-512    512       2      38        1700       0      30      20480        0
          4 Bucket     48       7     413        4806       0     254      20160        0
          2 Bucket     32      71     559       12470       0     254      20160        0
       tcp_bbr_map    128      93      62        1030       0     126      19840        0
        SLEEPQUEUE     88     172      52         172       0     126      19712        0
       Mountpoints   2752       2       5           2       0       4      19264        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       0       1         153       0       1      16384        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-2048   2048       7       1           7       0       8      16384        0
       malloc-1024   1024       6      10        1203       0      16      16384        0
       malloc-1024   1024      14       2          14       0      16      16384        0
         malloc-32     32     347     157        3914       0     254      16128        0
      vtnet_tx_hdr     24       0     668      569760       0     254      16032        0
             ripcb    488       4      28         439       0     254      15616        0
     udplite_inpcb    488       0      32         112       0     254      15616        0
         udp_inpcb    488       2      30         503       0     254      15616        0
        malloc-384    384      25      15          27       0      30      15360        0
       malloc-2048   2048       3       3          15       0       8      12288        0
       malloc-2048   2048       3       3         194       0       8      12288        0
        malloc-512    512       1      23         119       0      30      12288        0
         malloc-64     64      75     114          92       0     254      12096        0
         malloc-64     64      57     132        3120       0     254      12096        0
        malloc-128    128      60      33        3207       0     126      11904        0
        sctp_readq    152       1      77        1078       0     254      11856        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           3       0       2       8192        0
       malloc-2048   2048       1       3         107       0       8       8192        0
       malloc-1024   1024       2       6           2       0      16       8192        0
       malloc-1024   1024       4       4         178       0      16       8192        0
       malloc-1024   1024       3       5          20       0      16       8192        0
        malloc-512    512      10       6          10       0      30       8192        0
        malloc-512    512       2      14         561       0      30       8192        0
        malloc-512    512       3      13          72       0      30       8192        0
        malloc-512    512       2      14          44       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
           rtentry    176      32      14          36       0      62       8096        0
    tcp_log_bucket    176       0      46           5       0      62       8096        0
          rl_entry     40      73     129          73       0     254       8080        0
sctp_stream_msg_out    112       7      65         989       0     254       8064        0
        sctp_laddr     48      24     144         341       0     254       8064        0
             udpcb     32       2     250         615       0     254       8064        0
         malloc-64     64      52      74        3458       0     254       8064        0
         malloc-32     32     101     151        4947       0     254       8064        0
         malloc-32     32      75     177        2130       0     254       8064        0
         malloc-32     32      59     193         894       0     254       8064        0
         malloc-32     32       4     248         177       0     254       8064        0
         malloc-32     32      30     222        2724       0     254       8064        0
         malloc-16     16      16     484          46       0     254       8000        0
         malloc-16     16      28     472        3715       0     254       8000        0
         malloc-16     16      99     401        5739       0     254       8000        0
         malloc-16     16     188     312        3051       0     254       8000        0
         malloc-16     16       8     492           8       0     254       8000        0
         malloc-16     16     256     244         259       0     254       8000        0
         malloc-16     16      27     473       24504       0     254       8000        0
        malloc-128    128      20      42         112       0     126       7936        0
      tcp_log_node    120       0      66          10       0     126       7920        0
              kenv    258       3      27        1015       0      30       7740        0
     routing nhops    256      28       2          36       0      62       7680        0
           tcp_log    416       0      18           5       0     254       7488        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55          24       0     126       6448        0
         domainset     40       0     126          13       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
   sctp_asconf_ack     48       0      84         181       0     254       4032        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
         malloc-32     32       8     118          31       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
        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     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
    IPsec SA lft_c     16       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    488       0       0           0       0      30          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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      62          0        0
            mdpbuf   2632       0       0           0       0       4          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/12/01 10:45 freebsd 74bc68cd7c36 b3a34598 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.