syzbot


panic: Most recently used by kdtrace

Status: closed as invalid on 2021/01/09 18:55
Reported-by: syzbot+5c2814236e09cf8d940b@syzkaller.appspotmail.com
First crash: 1292d, last: 1291d

Sample crash report:
panic: Most recently used by kdtrace

cpuid = 0
time = 1602579956
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002ce09720
vpanic() at vpanic+0x1c7/frame 0xfffffe002ce09780
panic() at panic+0x43/frame 0xfffffe002ce097e0
mtrash_ctor() at mtrash_ctor+0xe5/frame 0xfffffe002ce09820
item_ctor() at item_ctor+0x49f/frame 0xfffffe002ce09880
malloc() at malloc+0xd1/frame 0xfffffe002ce098e0
kdtrace_thread_ctor() at kdtrace_thread_ctor+0x25/frame 0xfffffe002ce09900
proc_ctor() at proc_ctor+0x23b/frame 0xfffffe002ce09940
item_ctor() at item_ctor+0x49f/frame 0xfffffe002ce099a0
fork1() at fork1+0x3d8/frame 0xfffffe002ce09a60
sys_fork() at sys_fork+0x5e/frame 0xfffffe002ce09ac0
amd64_syscall() at amd64_syscall+0x25e/frame 0xfffffe002ce09bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe002ce09bf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x36c30a, rsp = 0x7fffffffe4d8, rbp = 0x7fffffffe530 ---
KDB: enter: panic
[ thread pid 6597 tid 101050 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1481526(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b  ll+0x1a
es                        0x3b  ll+0x1a
fs                        0x13
gs                        0x1b
ss                        0x28  ll+0x7
rax                       0x12
rcx         0xffffffff810ddad0  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe002ce09700
rbp         0xfffffe002ce09720
rsi                          0
rdi         0xffffffff810ddb06  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                        0x1
r11         0xfffffe00258f2310
r12         0xffffffff82066b10  ddb_dbbe
r13                          0
r14         0xffffffff81967508
r15         0xffffffff81967508
rip         0xffffffff810d2057  kdb_enter+0x67
rflags                    0x86  ll+0x65
kdb_enter+0x67: movq    $0,0x1481526(%rip)
db> show proc
Process 6597 (syz-executor.3) at 0xfffff8006c139a40:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 762 at 0xfffff80004b60000
 ABI: FreeBSD ELF64
 arguments: /root/syz-executor.3
 reaper: 0xfffff8000431a000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00258009e8
   (map 0xfffffe00258009e8)
   (map.pmap 0xfffffe0025800aa8)
   (pmap 0xfffffe0025800b08)
 threads: 1
101050                   Run     CPU 0                       syz-executor.3
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 7028  4946  4946     0  R       (threaded)                  syz-executor.2
100629                   RunQ                                syz-executor.2
100298                   S       uwait   0xfffff8001dc23080  syz-executor.2
100939                   S       uwait   0xfffff80004321980  syz-executor.2
100954                   S       pipdwt  0xfffff8006c24c758  syz-executor.2
100960                   S       uwait   0xfffff80004a20280  syz-executor.2
 7027  6648  6648     0  S       (threaded)                  syz-executor.0
101117                   S       nanslp  0xffffffff82526d01  syz-executor.0
100952                   S       sbwait  0xfffff80004d491d4  syz-executor.0
100955                   S       sbwait  0xfffff8006651d594  syz-executor.0
100957                   S       pipdwt  0xfffff80078c19168  syz-executor.0
100958                   S       uwait   0xfffff80004a23a00  syz-executor.0
100959                   S       uwait   0xfffff8001dbdfd00  syz-executor.0
 7026  3517  3517     0  R       (threaded)                  syz-executor.1
101158                   RunQ                                syz-executor.1
100937                   S       sbwait  0xfffff800660ee1d4  syz-executor.1
100943                   S       sbwait  0xfffff8006641a594  syz-executor.1
100946                   S       pipdwt  0xfffff8001d6878e8  syz-executor.1
100948                   S       uwait   0xfffff8001dbdf700  syz-executor.1
100951                   S       uwait   0xfffff80004a20b80  syz-executor.1
 6648   762  6648     0  Rs      CPU 1                       syz-executor.0
 6625  6619  6625     0  Ss      select  0xfffff8001dae0640  dhclient
 6622     1  6622     0  Ss      select  0xfffff8001da6e440  dhclient
 6619  6612   424    65  S       select  0xfffff8001dae0440  dhclient
 6612   424   424     0  S       wait    0xfffff8006c792520  sh
 6597   762  6597     0  Rs      CPU 0                       syz-executor.3
 6160     1  6160    65  Ss      select  0xfffff8001dae03c0  dhclient
 5665     1  5665     0  Ss      select  0xfffff80004a60ac0  dhclient
 5661     1  5661     0  Ss      select  0xfffff8001da6e3c0  dhclient
 4946   762  4946     0  Ss      nanslp  0xffffffff82526d01  syz-executor.2
 4654     1  4654    65  Ss      select  0xfffff800040f9640  dhclient
 4133     1  4133     0  Ss      select  0xfffff8001da0b9c0  dhclient
 4130     1  4130     0  Ss      select  0xfffff8001da6ed40  dhclient
 3517   762  3517     0  Rs                                  syz-executor.1
  762   760   760     0  S       (threaded)                  syz-fuzzer
100104                   S       uwait   0xfffff800047cb180  syz-fuzzer
100106                   S       uwait   0xfffff800047cb280  syz-fuzzer
100107                   S       uwait   0xfffff800047cb380  syz-fuzzer
100108                   S       uwait   0xfffff800047cb480  syz-fuzzer
100109                   S       uwait   0xfffff80004a20d80  syz-fuzzer
100110                   S       uwait   0xfffff80004a20e80  syz-fuzzer
100111                   S       kqread  0xfffff80004be7b00  syz-fuzzer
100113                   S       uwait   0xfffff80004321780  syz-fuzzer
100114                   S       uwait   0xfffff80004a23500  syz-fuzzer
100115                   S       uwait   0xfffff80004a23600  syz-fuzzer
  760   758   760     0  Ss      pause   0xfffff8001d91a0a8  csh
  758   682   758     0  Ss      select  0xfffff800041e90c0  sshd
  742     1   742     0  Ss+     ttyin   0xfffff800047f24b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80004ace4b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80004ace8b0  getty
  739     1   739     0  Ss+     ttyin   0xfffff80004acecb0  getty
  738     1   738     0  Ss+     ttyin   0xfffff80004ad10b0  getty
  737     1   737     0  Ss+     ttyin   0xfffff80004ad14b0  getty
  736     1   736     0  Ss+     ttyin   0xfffff80004ad18b0  getty
  735     1   735     0  Ss+     ttyin   0xfffff80004ad1cb0  getty
  734     1   734     0  Ss+     ttyin   0xfffff80004ad00b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff82526d01  cron
  682     1   682     0  Ss      select  0xfffff80004a63640  sshd
  495     1   495     0  Ss      select  0xfffff80004a63c40  syslogd
  424     1   424     0  Ss      wait    0xfffff80004b62a40  devd
  423     1   423    65  Ss      select  0xfffff800041e9240  dhclient
  338     1   338     0  Ss      select  0xfffff80004a635c0  dhclient
  335     1   335     0  Ss      select  0xfffff80004a63440  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004b63520  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff82613de8  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff82613150  [bufdaemon]
100077                   D       -       0xffffffff8200ae00  [bufspacedaemon-0]
100088                   D       sdflush 0xfffff80004be3ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff8263a3c8  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff8262e7f8  [dom0]
100075                   D       launds  0xffffffff8262e804  [laundry: dom0]
100076                   D       umarcl  0xffffffff814d8060  [uma]
   18     0     0     0  DL      -       0xffffffff8235a888  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82c131d8  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82d0c390  [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_ 0xfffff8000434cd90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000434cd30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8262bce0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800043dbc88  [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       -       0xfffff800040db000  [thr_0]
100019                   D       -       0xfffff800040db080  [thr_1]
   12     0     0     0  WL      (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                   I                                   [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    0xfffff8000431a000  [init]
   10     0     0     0  DL      audit_w 0xffffffff8262c200  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82506210  [swapper]
100005                   D       -       0xfffff8000421e000  [if_config_tqg_0]
100006                   D       -       0xfffff8000421de00  [softirq_0]
100007                   D       -       0xfffff8000421dd00  [softirq_1]
100008                   D       -       0xfffff8000421dc00  [if_io_tqg_0]
100009                   D       -       0xfffff8000421db00  [if_io_tqg_1]
100011                   D       -       0xfffff8000421d900  [inm_free taskq]
100012                   D       -       0xfffff8000421d800  [kqueue_ctx taskq]
100013                   D       -       0xfffff8000421d700  [aiod_kick taskq]
100016                   D       -       0xfffff8000421d400  [in6m_free taskq]
100017                   D       -       0xfffff8000421d300  [thread taskq]
100024                   D       -       0xfffff8000421d200  [firmware taskq]
100029                   D       -       0xfffff8000421c700  [crypto_0]
100030                   D       -       0xfffff8000421c700  [crypto_1]
100044                   D       -       0xfffff8000421ba00  [vtnet0 rxq 0]
100045                   D       -       0xfffff8000421b900  [vtnet0 txq 0]
100046                   D       -       0xfffff8000421b800  [vtnet0 rxq 1]
100047                   D       -       0xfffff8000421b700  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff800041e9a80  [virtio_balloon]
100053                   D       -       0xfffff8000421b500  [mca taskq]
100058                   D       -       0xffffffff81d0e7e1  [deadlkres]
100062                   D       -       0xfffff8000421c200  [acpi_task_0]
100063                   D       -       0xfffff8000421c200  [acpi_task_1]
100064                   D       -       0xfffff8000421c200  [acpi_task_2]
100066                   D       -       0xfffff8000421c100  [CAM taskq]
db> show all locks
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           25         1030K        19503
          vfscache            4         1025K            4
               pcb          209          742K         9803
          inodedep           19          521K         7259
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          142          281K         7111
            acpica         1674          185K        52444
         vnet_data            1          168K            1
         sctp_stro           91          166K         2205
          filedesc           20          137K        11593
           pagedep            9          130K         5902
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          254           99K          405
         sctp_atcl          182           91K         6854
               bus          979           79K         3032
          mtx_pool            2           72K            2
               BPF           38           71K          142
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          507           64K          507
            ifaddr          122           49K          199
              umtx          378           48K          378
           kdtrace          199           39K        32756
              temp           36           35K         6145
         hostcache            1           32K            1
               shm            1           32K           20
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
              vmem            3           26K            6
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
           lltable           46           17K          407
         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         1191
            bus-sc           30           14K         1413
            KTRACE          100           13K          100
             ifnet            7           13K            7
         sctp_atky          273           12K         9377
              kenv           92           12K           92
      eventhandler          132           12K          132
            select           86           11K           86
         in6_multi           89           11K          640
         pfs_nodes           20           10K           20
              GEOM           60           10K          488
              rman           82           10K          423
         sctp_timw           33            9K           33
         bmsafemap            2            9K         7183
          pf_ifnet           26            9K          358
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K           18
       pfs_vncache            1            8K            1
             lockf           68            8K         3650
     audit_evclass          233            8K          291
          sctp_ifa           54            7K          130
          routetbl           28            7K         1069
           CAM DEV            3            6K          510
              cred           24            6K          417
            kqueue           62            6K         7033
            plimit           23            6K         1181
                vt           11            6K           11
       ufs_dirhash           27            6K           27
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
            DEVFSP           76            5K          772
          freework           19            5K        10380
               UMA          251            5K          251
          pf_table            2            4K          252
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K          697
           session           31            4K          116
              pgrp           31            4K          116
             hhook           13            4K           13
         sctp_athm          182            3K         7110
          sctp_map          182            3K         4380
           acpisem           22            3K           22
          terminal           11            3K           11
         proc-args           50            3K         1509
           uidinfo            4            3K           22
            dirrem            9            3K         6304
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           95
            Unitno           34            2K        35238
           CAM XPT           22            2K          543
          freeblks            6            2K         6245
          in_multi            6            2K           44
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
          freefile            9            2K         6265
             clone            9            2K            9
               tun            7            2K            7
           pf_osfp           10            2K           10
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          916
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             mkdir            7            1K        11258
             ipsec            3            1K            3
          sctp_ifn            6            1K          130
       inpcbpolicy           24            1K        16333
               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
         newdirblk            4            1K         5629
            diradd            4            1K         6493
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
              cdev            2            1K            2
               osd            3            1K            9
          indirdep            1            1K         5732
            vnodes            1            1K           66
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
               iov            3            1K        37643
         sctp_aadr            3            1K          754
       ip6_msource            3            1K            6
        loginclass            3            1K            6
            prison            6            1K            6
           pf_rule            1            1K          294
     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
            soname            4            1K         8396
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           93
        ip_msource            1            1K            6
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
          filecaps            4            1K          179
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
           pf_altq            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         3088
         sctp_iter            0            0K          150
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           19
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K          133
         sctp_stri            0            0K          534
            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           52
          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        63153
               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         3335
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K          454
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freefrag            0            0K           21
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
             xform            0            0K            0
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           36
      ip6_moptions            0            0K            9
       in6_mfilter            0            0K           21
             frag6            0            0K            0
            tcplog            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
               LRO            0            0K            0
      newreno data            0            0K            0
       ip_moptions            0            0K           19
        in_mfilter            0            0K           22
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            2
ag_portal_data_t malloc            0            0K            0
            statfs            0            0K         5752
       export_host            0            0K            0
        cl_savebuf            0            0K            9
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
            MPSSAS            0            0K            0
          mbuf_tag            0            0K         1461
              accf            0            0K            0
               pts            0            0K            0
          ioctlops            0            0K         1417
           Witness            0            0K            0
             stack            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
        md_sectors            0            0K            0
              sbuf            0            0K          288
           md_disk            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           malodev            0            0K            0
              SWAP            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K         1257
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            0
              rctl            0            0K            0
          ix_sriov            0            0K            0
        aacraidcam            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
            iirbuf            0            0K            0
             cache            0            0K            0
       aacraid_buf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            8
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
           NFS FHA            0            0K            0
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
NFSCL diroffdiroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096     992    6120        9792       0     254   29130752        0
      mbuf_cluster   2048    9780     126        9780       0     254   20287488        0
        RADIX NODE    144   16913    1228      590021       0      63    2612304        0
       mbuf_packet    256    8244    1408      835091       0     254    2470912        0
           tcp_log    416       0    5850       90921       0     254    2433600        0
              mbuf    256    1624    7024      905792       0     254    2213888        0
               512    512    4209      23        5149       0      30    2166784        0
          BUF TRIE    144     491   12977       54016       0      62    1939392        0
              4096   4096     415      15        7980       0       2    1761280        0
       UMA Slabs 0    112   13946      16       13946       0     126    1563744        0
               128    128    9214     117        9355       0     126    1194368        0
         sctp_asoc   2288      91     419        2190       0     254    1166880        0
              pbuf    832       0     953           0       0       2     792896        0
            socket    960      45     719       23455       0     254     733440        0
           sctp_ep   1280      91     419        4311       0     254     652800        0
        256 Bucket   2048     260      12        1975       0       8     557056        0
             tcpcb   1040       6     511        1313       0     254     537680        0
       tcp_bbr_map    128       0    4061      131838       0     126     519808        0
         VM OBJECT    264    1438     152      120382       0      30     419760        0
             VNODE    496     714     102        7053       0      30     404736        0
             65536  65536       6       0           6       0       1     393216        0
        sctp_raddr    736      91     426        2924       0     254     380512        0
     udplite_inpcb    488      12     756       14164       0     254     374784        0
              2048   2048      93      75        4572       0       8     344064        0
            THREAD   1792     158      31       18777       0       8     338688        0
              2048   2048      10     126       64222       0       8     278528        0
             32768  32768       0       8        5221       0       1     262144        0
             ripcb    488       4     508         216       0     254     249856        0
         tcp_inpcb    488       6     506        1313       0     254     249856        0
         udp_inpcb    488       2     510         640       0     254     249856        0
               512    512     315     165        8459       0      30     245760        0
            DEVCTL   1024       3     205         199       0       0     212992        0
             g_bio    408       0     510      250266       0      31     208080        0
       FFS2 dinode    256     677     133        7014       0      62     207360        0
         MAP ENTRY     96    1568     574      441260       0     126     205632        0
                64     64    2774     313        3431       0     254     197568        0
             65536  65536       0       3         635       0       1     196608        0
             16384  16384       7       5        5775       0       1     196608        0
              1024   1024     114      78        2279       0      16     196608        0
                16     16   11828     422       14315       0     254     196000        0
               128    128    1283     236       35459       0     126     194432        0
               256    256      89     661       25934       0      62     192000        0
         UMA Zones    768     226       1         226       0      16     174336        0
        sctp_chunk    152      74     966        3019       0     254     158080        0
                32     32    4432     482        6032       0     254     157248        0
        128 Bucket   1024     102      45        6582       0      16     150528        0
         FFS inode    160     677     198        7014       0      62     140000        0
           VMSPACE   2536      37      17        7007       0       4     136944        0
         vmem btag     56    2096     268        2127       0     254     132384        0
             65536  65536       0       2          85       0       1     131072        0
             65536  65536       0       2         118       0       1     131072        0
             65536  65536       2       0           2       0       1     131072        0
              1024   1024     110      18         127       0      16     131072        0
               128    128     751     272        7764       0     126     130944        0
             unpcb    256      17     493        2656       0     254     130560        0
          ksiginfo    112      65     979        3052       0     126     116928        0
               256    256     280     155       28556       0      62     111360        0
               512    512      27     189        7270       0      30     110592        0
              PROC   1312      60      21        7029       0       8     106272        0
       S VFS Cache    104     667     347        8191       0     126     105456        0
               128    128     475     300        2534       0     126      99200        0
             32768  32768       3       0           3       0       1      98304        0
             16384  16384       6       0           6       0       1      98304        0
         filedesc0   1080      60      31        7029       0       8      98280        0
              8192   8192       9       2         126       0       1      90112        0
          syncache    168       0     528          13       0     254      88704        0
               128    128     307     344       17562       0     126      83328        0
          UMA Kegs    384     212       4         212       0      30      82944        0
             16384  16384       0       5          24       0       1      81920        0
               256    256     142     173        5429       0      62      80640        0
        sctp_readq    152       0     520         203       0     254      79040        0
              4096   4096      14       4          27       0       2      73728        0
              4096   4096      14       4         313       0       2      73728        0
         32 Bucket    256      66     204       37373       0      62      69120        0
                64     64     512     559        1482       0     254      68544        0
                64     64     516     555       31592       0     254      68544        0
             65536  65536       1       0           1       0       1      65536        0
             16384  16384       3       1         139       0       1      65536        0
              8192   8192       2       6          34       0       1      65536        0
         64 Bucket    512      92      36        1482       0      30      65536        0
               256    256      78     177        8617       0      62      65280        0
               256    256      56     199       16859       0      62      65280        0
sctp_stream_msg_out    112      29     511         509       0     254      60480        0
            clpbuf    832       0      64       25476       0      16      53248        0
             Files     80     234     416       46535       0     126      52000        0
               128    128     176     227        2253       0     126      51584        0
               256    256       9     186        9775       0      62      49920        0
               256    256     133      62         228       0      62      49920        0
               256    256      40     155        3110       0      62      49920        0
              pipe    760      25      40        1096       0      16      49400        0
           DIRHASH   1024      36      12          36       0      16      49152        0
             NAMEI   1024       0      48       55045       0      16      49152        0
             16384  16384       3       0           3       0       1      49152        0
              8192   8192       4       2           6       0       1      49152        0
              2048   2048       3      21         301       0       8      49152        0
               512    512      59      37         997       0      30      49152        0
       tcp_bbr_pcb    832       0      54         474       0      16      44928        0
           64 pcpu      8    4400     720        9081       0     254      40960        0
             selfd     64     148     419       54315       0     254      36288        0
                64     64     200     367        3031       0     254      36288        0
                64     64     145     422        7535       0     254      36288        0
                64     64     195     372        9926       0     254      36288        0
                64     64     189     378         281       0     254      36288        0
                64     64      34     533         957       0     254      36288        0
                32     32     532     602       59005       0     254      36288        0
          8 Bucket     80      60     390       35960       0     126      36000        0
               128    128      38     241         176       0     126      35712        0
               128    128      48     231         136       0     126      35712        0
     routing nhops    256      24     111         193       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
         TURNSTILE    136     190      62         190       0      62      34272        0
        SLEEPQUEUE     88     190     194         190       0     126      33792        0
             32768  32768       0       1         112       0       1      32768        0
             32768  32768       0       1           1       0       1      32768        0
             16384  16384       1       1           4       0       1      32768        0
              2048   2048       3      13           5       0       8      32768        0
              2048   2048       9       7           9       0       8      32768        0
              2048   2048       6      10         904       0       8      32768        0
              1024   1024       0      32         233       0      16      32768        0
              1024   1024       6      26         180       0      16      32768        0
              1024   1024       7      25          15       0      16      32768        0
              1024   1024       8      24           9       0      16      32768        0
              1024   1024       1      31          18       0      16      32768        0
              1024   1024       6      26        3067       0      16      32768        0
               512    512       0      64          61       0      30      32768        0
               512    512      13      51         117       0      30      32768        0
               512    512       2      62         194       0      30      32768        0
     mt_stats_zone     64     446      66         446       0     254      32768        0
         16 Bucket    144      95     129       26326       0      62      32256        0
             KNOTE    160      28     172      173241       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
         VNODEPOLL    120       0     264           7       0     126      31680        0
            cpuset    104       7     272           7       0     126      29016        0
   sctp_asconf_ack     48       0     588          14       0     254      28224        0
        sctp_laddr     48      56     532        2335       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
             udpcb     32      14     868       14804       0     254      28224        0
               PWD     32      20     862        5721       0     254      28224        0
          4 Bucket     48       7     581       11730       0     254      28224        0
          2 Bucket     32      81     801       14382       0     254      28224        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
              8192   8192       3       0           3       0       1      24576        0
              4096   4096       3       3          73       0       2      24576        0
              4096   4096       0       6          30       0       2      24576        0
           rtentry    176      31     107         193       0      62      24288        0
          rl_entry     40     102     504       10116       0     254      24240        0
      vtnet_tx_hdr     24       0    1002      707948       0     254      24048        0
       Mountpoints   2816       2       6           2       0       4      22528        0
                32     32      79     551          92       0     254      20160        0
                32     32      89     541        1123       0     254      20160        0
                32     32      26     604        5885       0     254      20160        0
                32     32      68     562         901       0     254      20160        0
                32     32      26     604        5478       0     254      20160        0
                32     32      37     593        1335       0     254      20160        0
          procdesc    136       4     141          38       0      62      19720        0
       L VFS Cache    320       0      60           4       0      30      19200        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
              8192   8192       1       1           3       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              4096   4096       1       3        5758       0       2      16384        0
              4096   4096       0       4          13       0       2      16384        0
              2048   2048       2       6           2       0       8      16384        0
             rentr     24       0     668         190       0     254      16032        0
           mt_zone     24     446     222         446       0     254      16032        0
                16     16     221     779        4680       0     254      16000        0
              kenv    258       3      57        1078       0      30      15480        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
                16     16      15     735         128       0     254      12000        0
                16     16     290     460         729       0     254      12000        0
                16     16     201     549        7197       0     254      12000        0
                16     16      31     719         208       0     254      12000        0
                16     16     182     568        1131       0     254      12000        0
                16     16      15     735       29895       0     254      12000        0
           SMR CPU     32       2     253           2       0     254       8160        0
        SMR SHARED     24       2     253           2       0     254       6120        0
       UMA Slabs 1    176      10      12          10       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 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
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          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
     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
              8192   8192       0       0           0       0       1          0        0
              4096   4096       0       0           0       0       2          0        0
              2048   2048       0       0           0       0       8          0        0
               512    512       0       0           0       0      30          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/10/13 09:06 freebsd 795f7f707e06 bd69ee0d console log report ci-freebsd-main
2020/10/13 08:36 freebsd 795f7f707e06 bd69ee0d console log report ci-freebsd-main
2020/10/13 05:54 freebsd 795f7f707e06 d32b0bbf console log report ci-freebsd-main
2020/10/13 10:08 freebsd 795f7f707e06 bd69ee0d console log report ci-freebsd-i386
2020/10/12 18:09 freebsd 7b56445c20c6 d32b0bbf console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.