syzbot


panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:LINE (2)

Status: auto-closed as invalid on 2021/01/13 18:02
Reported-by: syzbot+00e63a6e044a6dbb442f@syzkaller.appspotmail.com
First crash: 1281d, last: 1281d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:LINE (3) 7 969d 1188d 0/2 auto-closed as invalid on 2021/11/21 14:53
freebsd panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:LINE 1 1383d 1383d 0/2 auto-closed as invalid on 2020/10/03 19:39

Sample crash report:
panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/i386/kernel/sys/netinet/sctputil.c:3275
cpuid = 1
time = 1602784864
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe000365b0a0
vpanic() at vpanic+0x1c7/frame 0xfffffe000365b100
panic() at panic+0x43/frame 0xfffffe000365b160
__mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe000365b1c0
sctp_notify_assoc_change() at sctp_notify_assoc_change+0x5dd/frame 0xfffffe000365b230
sctp_ulp_notify() at sctp_ulp_notify+0x288/frame 0xfffffe000365b290
sctp_handle_cookie_ack() at sctp_handle_cookie_ack+0x252/frame 0xfffffe000365b2d0
sctp_process_control() at sctp_process_control+0x19b3/frame 0xfffffe000365b750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe000365b8e0
sctp_input_with_port() at sctp_input_with_port+0x308/frame 0xfffffe000365b9d0
sctp_input() at sctp_input+0x1f/frame 0xfffffe000365b9f0
ip_input() at ip_input+0x388/frame 0xfffffe000365ba90
swi_net() at swi_net+0x20d/frame 0xfffffe000365bb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe000365bbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe000365bbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe000365bbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100023 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14814d6(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b  ll+0x1a
es                        0x3b  ll+0x1a
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xffffffff810ddb20  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe000365b080
rbp         0xfffffe000365b0a0
rsi                          0
rdi         0xffffffff810ddb56  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                     0x8bdb  ll+0x8bba
r11                     0x234e  ll+0x232d
r12         0xffffffff82066b10  ddb_dbbe
r13                          0
r14         0xffffffff81967492
r15         0xffffffff81967492
rip         0xffffffff810d20a7  kdb_enter+0x67
rflags                    0x82  ll+0x61
kdb_enter+0x67: movq    $0,0x14814d6(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004328520:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82506210
 ABI: null
 reaper: 0xffffffff82506210 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff82506e60
   (map 0xffffffff82506e60)
   (map.pmap 0xffffffff82506f20)
   (pmap 0xffffffff82506f80)
 threads: 23
100010                   I                                   [swi5: fast taskq]
100014                   I                                   [swi6: task queue]
100015                   I                                   [swi6: Giant taskq]
100020                   I                                   [swi3: vm]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100023                   Run     CPU 1                       [swi1: netisr 0]
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
 3440   766   766     0  R       (threaded)                  syz-executor.1
100721                   Run     CPU 0                       syz-executor.1
100681                   S       sbwait  0xfffff80004d8b6ac  syz-executor.1
100682                   S       uwait   0xfffff80004c26700  syz-executor.1
 3434  3091  3091     0  R       (threaded)                  syz-executor.0
100119                   RunQ                                syz-executor.0
100674                   S       connec  0xfffff80004d56870  syz-executor.0
100676                   S       uwait   0xfffff80004c27c80  syz-executor.0
100683                   RunQ                                syz-executor.0
 3290  3284  3290     0  Ss      select  0xfffff80004ea0540  dhclient
 3287     1  3287     0  Ss      select  0xfffff8001fb6f6c0  dhclient
 3284  3277   424    65  S       select  0xfffff80004ea07c0  dhclient
 3277   424   424     0  S       wait    0xfffff8000712f000  sh
 3267     1  3267    65  Ss      select  0xfffff8001fb6f740  dhclient
 3091   762  3091     0  Ss      nanslp  0xffffffff82526d00  syz-executor.0
 2588     1  2588     0  Ss      select  0xfffff8001fbbdb40  dhclient
 2585     1  2585     0  Ss      select  0xfffff8001f0fd740  dhclient
 2558     1  2558    65  Ss      select  0xfffff80004b61dc0  dhclient
 1909     1  1909     0  Ss      select  0xfffff80004ea9140  dhclient
 1906     1  1906     0  Ss      select  0xfffff8001f0fd640  dhclient
  832   762   832     0  Ss      piperd  0xfffff80004cc5be0  syz-executor.3
  776   762   776     0  Ss      piperd  0xfffff80004cbf8e8  syz-executor.2
  766   762   766     0  Ss      nanslp  0xffffffff82526d00  syz-executor.1
  762   760   760     0  S       (threaded)                  syz-fuzzer
100109                   S       uwait   0xfffff80004c05e00  syz-fuzzer
100110                   S       uwait   0xfffff800047e1880  syz-fuzzer
100111                   S       uwait   0xfffff800047e1a80  syz-fuzzer
100112                   S       uwait   0xfffff800047e1b00  syz-fuzzer
100113                   S       uwait   0xfffff80004c29180  syz-fuzzer
100114                   S       uwait   0xfffff80004c05000  syz-fuzzer
100115                   S       kqread  0xfffff80004c3b800  syz-fuzzer
100116                   S       uwait   0xfffff80004c26b00  syz-fuzzer
100343                   S       uwait   0xfffff80004c06e80  syz-fuzzer
  760   758   760     0  Ss      pause   0xfffff80004cd00a8  csh
  758   682   758     0  Ss      select  0xfffff80004ea95c0  sshd
  742     1   742     0  Ss+     ttyin   0xfffff800048090b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80004b7e8b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80004b810b0  getty
  739     1   739     0  Ss+     ttyin   0xfffff80004b818b0  getty
  738     1   738     0  Ss+     ttyin   0xfffff8000480f0b0  getty
  737     1   737     0  Ss+     ttyin   0xfffff8000480f8b0  getty
  736     1   736     0  Ss+     ttyin   0xfffff8000480e0b0  getty
  735     1   735     0  Ss+     ttyin   0xfffff8000480e8b0  getty
  734     1   734     0  Ss+     ttyin   0xfffff800048110b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff82526d00  cron
  682     1   682     0  Ss      select  0xfffff80004ea96c0  sshd
  495     1   495     0  Ss      select  0xfffff80004ea9ec0  syslogd
  424     1   424     0  Ss      wait    0xfffff80004e4ea40  devd
  423     1   423    65  Ss      select  0xfffff80004bf7e40  dhclient
  338     1   338     0  Ss      select  0xfffff80004ea9dc0  dhclient
  335     1   335     0  Ss      select  0xfffff80004bf7dc0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004b6ea40  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff82613de8  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff82613150  [bufdaemon]
100075                   D       -       0xffffffff8200ae00  [bufspacedaemon-0]
100088                   D       sdflush 0xfffff800045ce8e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff8263a3c8  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff8262e7f8  [dom0]
100076                   D       launds  0xffffffff8262e804  [laundry: dom0]
100077                   D       umarcl  0xffffffff814d83d0  [uma]
   18     0     0     0  DL      -       0xffffffff8235a888  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82c941d8  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82e45390  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261272c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261272c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261272c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261272c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff822325c0  [doneq0]
100067                   D       -       0xffffffff82232490  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80004402090  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004402030  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8262bce0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800043d2c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82505c70  [g_event]
100026                   D       -       0xffffffff82505c78  [g_up]
100027                   D       -       0xffffffff82505c80  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff8000422ea00  [thr_0]
100019                   D       -       0xfffff8000422ea80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi5: fast taskq]
100014                   I                                   [swi6: task queue]
100015                   I                                   [swi6: Giant taskq]
100020                   I                                   [swi3: vm]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100023                   Run     CPU 1                       [swi1: netisr 0]
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    0xfffff8000432b000  [init]
   10     0     0     0  DL      audit_w 0xffffffff8262c200  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82506210  [swapper]
100005                   D       -       0xfffff8000422f000  [if_config_tqg_0]
100006                   D       -       0xfffff8000422ee00  [softirq_0]
100007                   D       -       0xfffff8000422ed00  [softirq_1]
100008                   D       -       0xfffff8000422ec00  [if_io_tqg_0]
100009                   D       -       0xfffff8000422eb00  [if_io_tqg_1]
100011                   D       -       0xfffff80004349600  [inm_free taskq]
100012                   D       -       0xfffff80004349500  [kqueue_ctx taskq]
100013                   D       -       0xfffff80004349400  [aiod_kick taskq]
100016                   D       -       0xfffff80004346e00  [in6m_free taskq]
100017                   D       -       0xfffff80004346d00  [thread taskq]
100024                   D       -       0xfffff80004346700  [firmware taskq]
100029                   D       -       0xfffff80004347b00  [crypto_0]
100030                   D       -       0xfffff80004347b00  [crypto_1]
100044                   D       -       0xfffff80004347000  [vtnet0 rxq 0]
100045                   D       -       0xfffff800047f2300  [vtnet0 txq 0]
100046                   D       -       0xfffff800047f2200  [vtnet0 rxq 1]
100047                   D       -       0xfffff800047f2100  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004518180  [virtio_balloon]
100053                   D       -       0xfffff800047f3900  [mca taskq]
100058                   D       -       0xffffffff81d0e800  [deadlkres]
100062                   D       -       0xfffff800047f3700  [acpi_task_0]
100063                   D       -       0xfffff800047f3700  [acpi_task_1]
100064                   D       -       0xfffff800047f3700  [acpi_task_2]
100066                   D       -       0xfffff80004347500  [CAM taskq]
db> show all locks
Process 3440 (syz-executor.1) thread 0xfffffe0025953700 (100681)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffff80004d8b650) locked @ /syzkaller/managers/i386/kernel/sys/kern/uipc_sockbuf.c:464
Process 3434 (syz-executor.0) thread 0xfffffe00257a2100 (100683)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8001feb7488) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7002
Process 12 (intr) thread 0xfffffe00049cd800 (100023)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00258638b0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:2143
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4214         4854K         4242
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        28170         1644K        28234
              kobj          336         1344K          496
            newblk           62         1040K         9098
          vfscache            4         1025K            4
          inodedep          118          571K         3689
               pcb           46          560K         8177
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          141          277K         3523
            acpica         1674          185K        52444
         vnet_data            1          168K            1
           pagedep           14          132K         2497
        tfo_ccache            1          128K            1
          filedesc           18          121K         4970
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          254           99K          297
               bus          979           79K         3032
          mtx_pool            2           72K            2
               BPF           38           71K           46
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          507           64K          507
              umtx          342           43K          342
           kdtrace          186           36K        10602
              temp           35           33K         2437
         hostcache            1           32K            1
               shm            1           32K            4
            DEVFS3          124           31K          134
               msg            4           30K            4
            ifaddr           78           27K           79
        DEVFS_RULE           56           27K           56
        gtaskqueue           18           26K           18
            dirrem           98           25K         3273
         sctp_timw           91           23K           91
              vmem            3           22K            5
            kbdmux            6           22K            6
           lltable           46           17K           54
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           99           16K           99
       ether_multi          172           14K          215
            bus-sc           30           14K         1413
          freefile          100           13K         3269
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          132           12K          132
         in6_multi           89           11K          105
         pfs_nodes           20           10K           20
              GEOM           60           10K          488
              rman           82           10K          423
         sctp_atcl           18            9K         8311
         bmsafemap            2            9K         3742
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K           15
       pfs_vncache            1            8K            1
          freework           31            8K         5944
     audit_evclass          233            8K          291
         sctp_stro            6            6K         2070
           CAM DEV            3            6K          510
            kqueue           61            6K         3447
            plimit           23            6K          448
              cred           23            6K          261
                vt           11            6K           11
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
            select           40            5K           40
            DEVFSP           76            5K          100
       ufs_dirhash           24            5K           24
          pf_ifnet           10            5K           19
               UMA          251            5K          251
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           85
           session           31            4K           51
              pgrp           31            4K           53
          routetbl           23            4K           33
             hhook           13            4K           13
             lockf           29            4K           88
           acpisem           22            3K           22
          terminal           11            3K           11
         proc-args           50            3K          673
          sctp_ifa           18            3K           22
           uidinfo            3            3K           11
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           23
            Unitno           33            2K         5304
           CAM XPT           22            2K          543
             mkdir           12            2K         4944
          freeblks            6            2K         3371
          in_multi            6            2K            9
            diradd           10            2K         3318
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
         sctp_stri            2            1K         1509
           softdep            1            1K            1
          indirdep            4            1K         1279
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           44
      NFSD session            1            1K            1
         sctp_atky           23            1K        10606
        CAM periph            4            1K          271
         newdirblk            7            1K         2472
             ipsec            3            1K            3
          sctp_ifn            6            1K           22
               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
 encap_export_host           12            1K           12
            crypto            3            1K            3
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
              cdev            2            1K            2
       inpcbpolicy           10            1K         2147
               osd            3            1K            9
         sctp_athm           18            1K         8313
            vnodes            1            1K            1
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
          sctp_map           12            1K         4140
        loginclass            3            1K            6
            prison            6            1K            6
            soname            6            1K         6523
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           45
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
          filecaps            4            1K          112
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          pf_table            0            0K            2
           pf_rule            0            0K            2
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         1543
         sctp_iter            0            0K           13
         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           13
         sctp_aadr            0            0K          102
            vtfont            0            0K            0
        madt_table            0            0K            2
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            pvscsi            0            0K            0
          smartpqi            0            0K            0
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
       tcp_log_dev            0            0K            0
          xen_intr            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
         acpi_perf            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
           CAM CCB            0            0K         5547
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
          tempbuff            0            0K            0
           UMAHash            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K          229
          sentinel            0            0K            0
            jfsync            0            0K            0
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             sbdep            0            0K           19
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          freefrag            0            0K          495
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           mactemp            0            0K            0
     audit_trigger            0            0K            0
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             xform            0            0K            0
lDevFlags * malloc            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K            8
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
               LRO            0            0K            0
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
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               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
ag_portal_data_t malloc            0            0K            0
            statfs            0            0K         2653
       export_host            0            0K            0
        cl_savebuf            0            0K          239
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
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                ix            0            0K            0
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          sysmouse            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9780     126        9780       0     254   20287488        0
       mbuf_packet    256    8212    1440     1104928       0     254    2470912        0
               512    512    4243      53        8453       0      30    2199552        0
   mbuf_jumbo_page   4096       0     508         196       0     254    2080768        0
          BUF TRIE    144     195   13273        5933       0      62    1939392        0
        RADIX NODE    144   12284     257      139441       0      62    1805904        0
              4096   4096     337       3         503       0       2    1392640        0
               128    128    9341     114       12673       0     126    1210240        0
              pbuf    832       0     969           0       0       2     806208        0
       UMA Slabs 0    112    7060      26        7060       0     126     793632        0
           sctp_ep   1280      11     499        3984       0     254     652800        0
         sctp_asoc   2288       5     250        2070       0     254     583440        0
        sctp_raddr    736      15     755        9587       0     254     566720        0
             tcpcb   1040       4     513         146       0     254     537680        0
            socket    960      44     464       10014       0     254     487680        0
             65536  65536       6       0           6       0       1     393216        0
        256 Bucket   2048     174      10        1888       0       8     376832        0
         VM OBJECT    264    1234     116       52526       0      30     356400        0
             VNODE    496     558     106        3830       0      30     329344        0
              mbuf    256     509     774      611935       0     254     328448        0
              4096   4096      66      10        3450       0       2     311296        0
            THREAD   1792     147      24        3799       0       8     306432        0
             ripcb    488       4     508          75       0     254     249856        0
     udplite_inpcb    488       0     512        1697       0     254     249856        0
         tcp_inpcb    488       4     508         146       0     254     249856        0
         udp_inpcb    488       2     510         229       0     254     249856        0
            DEVCTL   1024       2     206         127       0       0     212992        0
             16384  16384       7       6        2483       0       1     212992        0
                64     64    2795     292        3054       0     254     197568        0
             65536  65536       1       2         135       0       1     196608        0
                16     16   11839     411       11907       0     254     196000        0
               256    256     245     505        9943       0      62     192000        0
         MAP ENTRY     96    1494     396      184098       0     126     181440        0
               128    128    1197     198       24741       0     126     178560        0
         UMA Zones    768     226       1         226       0      16     174336        0
                32     32    4708     458        4787       0     254     165312        0
             32768  32768       0       5          47       0       1     163840        0
              1024   1024     131      13         148       0      16     147456        0
               128    128    1075      72        5468       0     126     146816        0
       FFS2 dinode    256     521      49        3791       0      62     145920        0
             65536  65536       0       2         183       0       1     131072        0
             32768  32768       2       2           5       0       1     131072        0
             unpcb    256      21     489        3844       0     254     130560        0
           VMSPACE   2536      36      12        3425       0       4     121728        0
        sctp_chunk    152      12     768        7516       0     254     118560        0
          ksiginfo    112      64     980        1350       0     126     116928        0
         vmem btag     56    1965     111        1965       0     254     116256        0
         FFS inode    160     521     179        3791       0      62     112000        0
              PROC   1312      58      23        3440       0       8     106272        0
       S VFS Cache    104     620     394        5239       0     126     105456        0
        128 Bucket   1024      54      45         453       0      16     101376        0
               256    256     165     210        7739       0      62      96000        0
               512    512     148      36         158       0      30      94208        0
         filedesc0   1080      59      25        3441       0       8      90720        0
                64     64     578     745        8660       0     254      84672        0
               128    128     366     285        7942       0     126      83328        0
          UMA Kegs    384     212       4         212       0      30      82944        0
              2048   2048       0      40        5579       0       8      81920        0
              2048   2048      16      24        3990       0       8      81920        0
         64 Bucket    512      80      80        2980       0      30      81920        0
               256    256     193     122        3555       0      62      80640        0
        sctp_readq    152       0     520          54       0     254      79040        0
              4096   4096      17       1          21       0       2      73728        0
             g_bio    408       0     180       19842       0      30      73440        0
                64     64     540     531        1088       0     254      68544        0
             65536  65536       1       0           1       0       1      65536        0
             65536  65536       1       0           1       0       1      65536        0
             65536  65536       0       1           8       0       1      65536        0
              4096   4096      14       2          26       0       2      65536        0
               256    256     116     139       13621       0      62      65280        0
               512    512      31      89        8324       0      30      61440        0
sctp_stream_msg_out    112       0     540           6       0     254      60480        0
               128    128     116     287        3940       0     126      51584        0
               256    256      94     101         232       0      62      49920        0
               256    256      31     164        1625       0      62      49920        0
               256    256      28     167        4455       0      62      49920        0
         32 Bucket    256      50     145         863       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       28345       0      16      49152        0
             16384  16384       3       0           3       0       1      49152        0
              8192   8192       3       3          31       0       1      49152        0
              8192   8192       6       0           6       0       1      49152        0
              8192   8192       5       1           7       0       1      49152        0
              2048   2048      10      14          16       0       8      49152        0
              2048   2048       5      19         512       0       8      49152        0
              1024   1024       8      40        2082       0      16      49152        0
               512    512      56      40         733       0      30      49152        0
               512    512       3      93        1508       0      30      49152        0
          syncache    168       0     264           4       0     254      44352        0
             Files     80     229     321       21040       0     126      44000        0
            clpbuf    832       0      48        1039       0      16      39936        0
              pipe    760      22      28         435       0      16      38000        0
           64 pcpu      8    4199     409        4260       0     254      36864        0
             selfd     64      81     486       22134       0     254      36288        0
               PWD     32      19    1115        2560       0     254      36288        0
                64     64      50     517         132       0     254      36288        0
                64     64      33     534       15443       0     254      36288        0
                64     64      86     481        3614       0     254      36288        0
                64     64     201     366         461       0     254      36288        0
                64     64     169     398         198       0     254      36288        0
               128    128      65     214         122       0     126      35712        0
               128    128      29     250         199       0     126      35712        0
               128    128      54     225         310       0     126      35712        0
     routing nhops    256      27     108          44       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      46      89        2956       0      62      34560        0
         TURNSTILE    136     172      80         172       0      62      34272        0
        SLEEPQUEUE     88     172     212         172       0     126      33792        0
             32768  32768       0       1         112       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
             16384  16384       2       0           5       0       1      32768        0
              2048   2048       2      14          27       0       8      32768        0
              2048   2048       3      13          24       0       8      32768        0
              2048   2048       3      13         196       0       8      32768        0
              2048   2048       3      13         259       0       8      32768        0
              1024   1024       3      29        1296       0      16      32768        0
              1024   1024       3      29           3       0      16      32768        0
              1024   1024       4      28         137       0      16      32768        0
              1024   1024      11      21          11       0      16      32768        0
              1024   1024       1      31          30       0      16      32768        0
               512    512       1      63          61       0      30      32768        0
               512    512      30      34         341       0      30      32768        0
     mt_stats_zone     64     446      66         446       0     254      32768        0
         16 Bucket    144      57     167        8326       0      62      32256        0
             KNOTE    160      28     172       63912       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
   sctp_asconf_ack     48       0     588          35       0     254      28224        0
        sctp_laddr     48       8     580          58       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
                32     32     110     772       12581       0     254      28224        0
          4 Bucket     48       6     582       15056       0     254      28224        0
          8 Bucket     80      73     277       20803       0     126      28000        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
              8192   8192       3       0           3       0       1      24576        0
              4096   4096       5       1           7       0       2      24576        0
              4096   4096       2       4        3104       0       2      24576        0
              4096   4096       6       0           7       0       2      24576        0
           rtentry    176      34     104          44       0      62      24288        0
          rl_entry     40      83     523          83       0     254      24240        0
      vtnet_tx_hdr     24       0    1002      543442       0     254      24048        0
       Mountpoints   2816       2       6           2       0       4      22528        0
             udpcb     32       2     628        1926       0     254      20160        0
                32     32      27     603        5345       0     254      20160        0
                32     32      20     610          47       0     254      20160        0
                32     32      74     556        3010       0     254      20160        0
                32     32      32     598         270       0     254      20160        0
          2 Bucket     32      64     566        5068       0     254      20160        0
       tcp_bbr_map    128       0     155           6       0     126      19840        0
          procdesc    136       4     141          18       0      62      19720        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
             16384  16384       1       0           1       0       1      16384        0
             16384  16384       0       1         136       0       1      16384        0
             16384  16384       1       0           1       0       1      16384        0
              8192   8192       1       1          90       0       1      16384        0
              1024   1024      11       5          12       0      16      16384        0
               512    512       1      31           2       0      30      16384        0
           SMR CPU     32       2     509           2       0     254      16352        0
           pf tags    104       0     156           4       0     126      16224        0
             rentr     24       0     668           8       0     254      16032        0
           mt_zone     24     446     222         446       0     254      16032        0
                16     16      95     905       11930       0     254      16000        0
                16     16     208     792        6333       0     254      16000        0
         VNODEPOLL    120       0     132           1       0     126      15840        0
              kenv    258       3      57        1012       0      30      15480        0
       tcp_bbr_pcb    832       0      18           2       0      16      14976        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       2     509           2       0     254      12264        0
                32     32     126     252        1345       0     254      12096        0
                32     32      14     364          19       0     254      12096        0
                16     16      10     740          50       0     254      12000        0
                16     16       6     744         545       0     254      12000        0
                16     16      20     730         155       0     254      12000        0
                16     16     265     485       24396       0     254      12000        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
                16     16       4     496           6       0     254       8000        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
          int pcpu      4      34     478          34       0     254       2048        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
       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 mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       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
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    280       0       0           0       0      30          0        0
             AIOCB    752       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
        TMPFS node    232       0       0           0       0      62          0        0
      TMPFS dirent     64       0       0           0       0     254          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
      nvme_request    128       0       0           0       0     126          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
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              4096   4096       0       0           0       0       2          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/10/15 18:01 freebsd 8349de39d23f 63869021 console log report ci-freebsd-i386
2020/10/14 22:34 freebsd 917a85eb2556 fc7735a2 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.