syzbot


Fatal trap 12: page fault in pmap_kextract

Status: closed as dup on 2020/03/19 16:44
Reported-by: syzbot+6a6aa7854450235da388@syzkaller.appspotmail.com
First crash: 1711d, last: 1711d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
panic: Most recently used by ip6opt (2) syz 4 1711d 1757d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap 12: page fault in pmap_kextract (2) C 8 1319d 1320d 2/2 fixed on 2021/04/12 12:51

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0xffff80403037b7a8
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff8173711c
stack pointer	        = 0x28:0xfffffe0024aa3ee0
frame pointer	        = 0x28:0xfffffe0024aa3f20
code segment		= base 0x0, limit 0xfffff, type 0x1b

			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 904 (syz-executor.0)
trap number		= 12
panic: page fault
cpuid = 1
time = 1584353596
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024aa3b30
vpanic() at vpanic+0x1c7/frame 0xfffffe0024aa3b90
panic() at panic+0x43/frame 0xfffffe0024aa3bf0
trap_fatal() at trap_fatal+0x4ca/frame 0xfffffe0024aa3c70
trap_pfault() at trap_pfault+0xdc/frame 0xfffffe0024aa3cf0
trap() at trap+0x3f8/frame 0xfffffe0024aa3e10
calltrap() at calltrap+0x8/frame 0xfffffe0024aa3e10
--- trap 0xc, rip = 0xffffffff8173711c, rsp = 0xfffffe0024aa3ee0, rbp = 0xfffffe0024aa3f20 ---
pmap_kextract() at pmap_kextract+0x2cc/frame 0xfffffe0024aa3f20
free() at free+0x93/frame 0xfffffe0024aa3f60
ip6_clearpktopts() at ip6_clearpktopts+0x426/frame 0xfffffe0024aa3fa0
ip6_setpktopt() at ip6_setpktopt+0xa72/frame 0xfffffe0024aa4000
ip6_ctloutput() at ip6_ctloutput+0x18be/frame 0xfffffe0024aa4910
tcp_ctloutput() at tcp_ctloutput+0xe2/frame 0xfffffe0024aa4990
sosetopt() at sosetopt+0x101/frame 0xfffffe0024aa4a10
kern_setsockopt() at kern_setsockopt+0x158/frame 0xfffffe0024aa4a90
sys_setsockopt() at sys_setsockopt+0x33/frame 0xfffffe0024aa4ac0
amd64_syscall() at amd64_syscall+0x2f4/frame 0xfffffe0024aa4bf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024aa4bf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x41332a, rsp = 0x7fffdffdcf38, rbp = 0x5 ---
KDB: enter: panic
[ thread pid 904 tid 100311 ]
Stopped at      kdb_enter+0x67: movq    $0,0x146d276(%rip)
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         0xfffffe0025400000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe0024aa3b10
rbp         0xfffffe0024aa3b30
rsi                    0x40001
rdi         0xffffffff810b4d06  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe002497ea10
r12         0xffffffff82068e30  ddb_dbbe
r13                          0
r14         0xffffffff81932be6
r15         0xffffffff81932be6
rip         0xffffffff810a9fc7  kdb_enter+0x67
rflags                    0x82  ll+0x61
kdb_enter+0x67: movq    $0,0x146d276(%rip)
db> show proc
Process 904 (syz-executor.0) at 0xfffff8003bbb2000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 768 at 0xfffff8003b695530
 ABI: FreeBSD ELF64
 arguments: /root/syz-executor.0
 reaper: 0xfffff80003311000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe000498e9e8
   (map 0xfffffe000498e9e8)
   (map.pmap 0xfffffe000498eaa8)
   (pmap 0xfffffe000498eb08)
 threads: 2
100271                   s                                   syz-executor.0
100311                   Run     CPU 1                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  909   769   769     0  R                                   syz-executor.1
  908   776   776     0  R       (threaded)                  syz-executor.2
100113                   RunQ                                syz-executor.2
100327                   D       biowr   0xfffffe0003f3aa40  syz-executor.2
100328                   S       sbwait  0xfffffe0003da8704  syz-executor.2
100329                   S       uwait   0xfffff80003a65900  syz-executor.2
  906   789   789     0  R       (threaded)                  syz-executor.3
100139                   RunQ                                syz-executor.3
100316                   S       sbwait  0xfffffe0003da92d4  syz-executor.3
100317                   S       sbwait  0xfffffe0003dad55c  syz-executor.3
100319                   S       uwait   0xfffff80003a65c00  syz-executor.3
  904   768   768     0  T       (threaded)                  syz-executor.0
100271                   s                                   syz-executor.0
100311                   Run     CPU 1                       syz-executor.0
  866     1   866     0  Ss      select  0xfffff800035734c0  rtsol
  865     1   865     0  Ss      select  0xfffff80003573640  rtsol
  864     1   864     0  Ss      select  0xfffff800035736c0  rtsol
  861   784   422     0  S       kqread  0xfffff80003842400  rtsol
  789   766   789     0  Rs                                  syz-executor.3
  784   773   422     0  S       wait    0xfffff8003b575530  sh
  776   766   776     0  Rs                                  syz-executor.2
  773   422   422     0  S       wait    0xfffff8003b575a60  sh
  769   766   769     0  Rs                                  syz-executor.1
  768   766   768     0  Rs                                  syz-executor.0
  766   764   764     0  S       (threaded)                  syz-fuzzer
100098                   S       uwait   0xfffff80003a67000  syz-fuzzer
100099                   S       uwait   0xfffff80003479700  syz-fuzzer
100100                   S       uwait   0xfffff80003820b00  syz-fuzzer
100101                   S       uwait   0xfffff80003820b80  syz-fuzzer
100102                   S       uwait   0xfffff80003a67100  syz-fuzzer
100103                   S       kqread  0xfffff80003843100  syz-fuzzer
100104                   S       uwait   0xfffff80003a67200  syz-fuzzer
100105                   S       uwait   0xfffff80003a64a80  syz-fuzzer
100106                   S       uwait   0xfffff80003a67300  syz-fuzzer
100107                   S       uwait   0xfffff80003a64b80  syz-fuzzer
  764   762   764     0  Ss      pause   0xfffff8003b5310a8  csh
  762   680   762     0  Ss      select  0xfffff80003573940  sshd
  746     1   746     0  Rs+     CPU 0                       getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b3b0b0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80003b3b4b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80003b3b8b0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80003b3bcb0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80003b3a0b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80003b3a4b0  getty
  739     1   739     0  Ss+     ttyin   0xfffff80003b3a8b0  getty
  738     1   738     0  Ss+     ttyin   0xfffff80003b3acb0  getty
  736     1    22     0  S+      piperd  0xfffff8003b12c8e8  logger
  735   734    22     0  S+      nanslp  0xffffffff824ffe40  sleep
  734     1    22     0  S+      wait    0xfffff80003cbb000  sh
  684     1   684     0  Ss      nanslp  0xffffffff824ffe41  cron
  680     1   680     0  Ss      select  0xfffff8000355f040  sshd
  493     1   493     0  Ss      select  0xfffff8000355cec0  syslogd
  422     1   422     0  Ss      wait    0xfffff80003cbb530  devd
  421     1   421    65  Ss      select  0xfffff80003a7dec0  dhclient
  336     1   336     0  Ss      select  0xfffff8000355cf40  dhclient
  333     1   333     0  Ss      select  0xfffff8000355f0c0  dhclient
   21     0     0     0  DL      vlruwt  0xfffff800033f1a60  [vnlru]
   20     0     0     0  DL      syncer  0xffffffff825d62d8  [syncer]
   19     0     0     0  DL      (threaded)                  [bufdaemon]
100065                   D       qsleep  0xffffffff825d57d8  [bufdaemon]
100070                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100082                   D       sdflush 0xfffff8000341ace8  [/ worker]
   18     0     0     0  DL      psleep  0xffffffff825f1248  [vmdaemon]
   17     0     0     0  DL      (threaded)                  [pagedaemon]
100063                   D       psleep  0xffffffff8261d158  [dom0]
100068                   D       launds  0xffffffff8261d164  [laundry: dom0]
100069                   D       umarcl  0xffffffff81536af0  [uma]
   16     0     0     0  DL      -       0xffffffff8235a6b0  [rand_harvestq]
   15     0     0     0  DL      waiting 0xffffffff82662720  [sctp_iterator]
    9     0     0     0  DL      -       0xffffffff825d51dc  [soaiod4]
    8     0     0     0  DL      -       0xffffffff825d51dc  [soaiod3]
    7     0     0     0  DL      -       0xffffffff825d51dc  [soaiod2]
    6     0     0     0  DL      -       0xffffffff825d51dc  [soaiod1]
    5     0     0     0  RL      (threaded)                  [cam]
100031                   RunQ                                [doneq0]
100062                   D       -       0xffffffff82235988  [scanner]
    4     0     0     0  DL      crypto_ 0xfffff8000321b190  [crypto returns 1]
    3     0     0     0  DL      crypto_ 0xfffff8000321b130  [crypto returns 0]
    2     0     0     0  DL      crypto_ 0xffffffff825eb2b8  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80003369888  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100022                   D       -       0xffffffff8261b788  [g_event]
100023                   D       -       0xffffffff8261b798  [g_up]
100024                   D       -       0xffffffff8261b790  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100005                   I                                   [swi6: Giant taskq]
100007                   I                                   [swi5: fast taskq]
100011                   I                                   [swi6: task queue]
100017                   I                                   [swi1: netisr 0]
100018                   I                                   [swi3: vm]
100019                   I                                   [swi4: clock (0)]
100020                   I                                   [swi4: clock (1)]
100032                   I                                   [irq24: virtio_pci0]
100033                   I                                   [irq25: virtio_pci0]
100034                   I                                   [irq26: virtio_pci0]
100035                   I                                   [irq27: virtio_pci0]
100036                   I                                   [irq28: virtio_pci1]
100037                   I                                   [irq29: virtio_pci1]
100038                   I                                   [irq30: virtio_pci1]
100039                   I                                   [irq31: virtio_pci1]
100040                   I                                   [irq32: virtio_pci1]
100045                   I                                   [irq10: virtio_pci2]
100047                   I                                   [irq1: atkbd0]
100048                   I                                   [irq12: psm0]
100049                   I                                   [swi0: uart uart++]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80003311000  [init]
   10     0     0     0  DL      audit_w 0xffffffff826633b0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8260adc8  [swapper]
100006                   D       -       0xfffff80003338000  [thread taskq]
100008                   D       -       0xfffff80003205d00  [config_0]
100009                   D       -       0xfffff80003339d00  [kqueue_ctx taskq]
100010                   D       -       0xfffff80003339c00  [aiod_kick taskq]
100012                   D       -       0xfffff80003205c00  [if_config_tqg_0]
100013                   D       -       0xfffff80003205b00  [if_io_tqg_0]
100014                   D       -       0xfffff80003205a00  [if_io_tqg_1]
100015                   D       -       0xfffff80003205900  [softirq_0]
100016                   D       -       0xfffff80003205800  [softirq_1]
100021                   D       -       0xfffff80003339a00  [firmware taskq]
100026                   D       -       0xfffff80003339800  [crypto_0]
100027                   D       -       0xfffff80003339800  [crypto_1]
100041                   D       -       0xfffff80003334a00  [vtnet0 rxq 0]
100042                   D       -       0xfffff80003334900  [vtnet0 txq 0]
100043                   D       -       0xfffff80003334800  [vtnet0 rxq 1]
100044                   D       -       0xfffff80003334700  [vtnet0 txq 1]
100046                   D       vtbslp  0xfffff80003572d80  [virtio_balloon]
100050                   D       -       0xfffff80003845000  [mca taskq]
100054                   D       -       0xffffffff81cd5e81  [deadlkres]
100058                   D       -       0xfffff80003b36500  [acpi_task_0]
100059                   D       -       0xfffff80003b36500  [acpi_task_1]
100060                   D       -       0xfffff80003b36500  [acpi_task_2]
100061                   D       -       0xfffff80003339600  [CAM taskq]
db> show all locks
Process 908 (syz-executor.2) thread 0xfffffe0024c90a00 (100327)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003f3aac0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:1663
exclusive lockmgr ufs (ufs) r = 0 (0xfffff8003b34fbd8) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_vnops.c:877
Process 906 (syz-executor.3) thread 0xfffffe0024994c00 (100316)
exclusive sx so_snd_sx (so_snd_sx) r = 0 (0xfffffe0003da9278) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:393
Process 904 (syz-executor.0) thread 0xfffffe002497e500 (100311)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff80003d47020) locked @ /syzkaller/managers/main/kernel/sys/netinet6/ip6_output.c:2049
Process 746 (getty) thread 0xfffffe0003ccd700 (100084)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffff800033ea808) locked @ /syzkaller/managers/main/kernel/sys/kern/tty.c:216
db> show malloc
              Type        InUse        MemUse     Requests
            devbuf         4213         4851K         4238
             vtbuf           24         1968K           46
         sysctloid        26033         1517K        26097
              kobj          332         1328K          488
            newblk          575         1168K         1009
          vfscache            4         1025K            4
               pcb           37          548K          227
          inodedep           39          531K          155
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          388K            4
           subproc          131          269K          983
            acpica         1674          185K        52709
         vnet_data            1          168K            1
          filedesc           21          149K          161
           pagedep           20          133K           76
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          222           89K          253
               bus          992           79K         3374
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          494           62K          494
              umtx          306           39K          306
           kdtrace          182           35K         2087
        gtaskqueue           22           34K           22
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
            ifaddr           70           23K           72
              vmem            3           22K            4
            kbdmux            6           22K            6
               BPF           14           19K           14
           lltable           48           18K           49
              temp           34           17K         1821
         ufs_mount            3           17K            4
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           89           15K           89
       ether_multi          172           14K          177
            bus-sc           30           14K         1431
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           99
         in6_multi           89           11K           89
      eventhandler          122           11K          122
         pfs_nodes           20           10K           20
              GEOM           60           10K          487
              rman           82           10K          423
         bmsafemap            2            9K          136
            kqueue           62            9K          916
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
          routetbl           57            8K           61
     audit_evclass          232            8K          290
           CAM DEV            3            6K          510
              cred           22            6K          208
                vt           11            6K           11
            plimit           21            6K          333
            sglist            5            6K            5
         CAM queue            5            6K         1528
         sctp_timw           19            5K           19
       ufs_dirhash           24            5K           24
            select           36            5K           36
         taskqueue           42            5K           42
            DEVFSP           70            5K           74
           memdesc            1            4K            1
               MCA           32            4K           32
         sctp_atcl            8            4K           91
             evdev            4            4K            4
          kcovinfo           64            4K           68
            diradd           31            4K          122
               UMA          236            4K          236
          freework           16            4K          229
           session           27            4K           36
              pgrp           27            4K           36
             hhook           13            4K           13
         sctp_stro            3            3K           29
             mkdir           22            3K          132
          indirdep           11            3K          229
           acpisem           22            3K           22
          terminal           11            3K           11
         proc-args           49            3K          536
           uidinfo            3            3K           13
          sctp_ifa           17            3K           17
        local_apic            1            2K            1
           io_apic            1            2K            1
           CAM CCB            1            2K         2758
         newdirblk           16            2K           66
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           20
           CAM XPT           22            2K          543
             lockf           15            2K           22
            dirrem            6            2K           90
          in_multi            6            2K            7
            Unitno           25            2K           45
            crypto            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             clone            8            1K            8
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
       inpcbpolicy           27            1K          440
          freeblks            3            1K           96
               mld            6            1K            6
          sctp_ifn            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
          freefile            5            1K           84
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
             epoch            4            1K            4
              cdev            2            1K            2
         sctp_atky           11            1K          120
 encap_export_host            8            1K            8
               osd            3            1K            9
            ip6opt            2            1K           37
            vnodes            1            1K            2
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
        loginclass            3            1K            6
            soname            5            1K         5781
     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
         sctp_athm            8            1K           91
               iov            2            1K        13617
          pmchooks            1            1K            1
            prison            4            1K            4
          filecaps            4            1K           78
          sctp_map            6            1K           58
          nexusdev            5            1K            5
           entropy            2            1K           37
           tcpfunc            1            1K            1
          sctp_vrf            1            1K            1
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
           ath_hal            0            0K            0
            athdev            0            0K            0
        madt_table            0            0K            2
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
            pvscsi            0            0K            0
          smartpqi            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
           nvme_da            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
       fpukern_ctx            0            0K            0
          xen_intr            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
              isci            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
     vm_fictitious            0            0K            0
               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
ag_tgt_map_t malloc            0            0K            0
           UMAHash            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           96
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           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            6
        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
               NLM            0            0K            0
 nfsclient_nlminfo            0            0K            0
    nfsclient_lock            0            0K            0
           NFS FHA            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K           48
         sctp_iter            0            0K            9
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K            9
         sctp_aadr            0            0K            0
         sctp_stri            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
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
            statfs            0            0K          240
       export_host            0            0K            0
        cl_savebuf            0            0K            2
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
            MPSSAS            0            0K            0
          mbuf_tag            0            0K          141
              accf            0            0K            0
               pts            0            0K            0
          ioctlops            0            0K          109
           Witness            0            0K            0
             stack            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
        md_sectors            0            0K            0
              sbuf            0            0K          288
           md_disk            0            0K            0
        compressor            0            0K            0
           malodev            0            0K            0
              SWAP            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K          568
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
              rctl            0            0K            0
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        aacraidcam            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
            iirbuf            0            0K            0
             cache            0            0K            0
       aacraid_buf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
         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
            vtfont            0            0K            0
db> show ktr
No such command; use "help" to list available commands

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/03/16 10:13 freebsd 937b338ad2d3 749688d2 console log report ci-freebsd-main
* Struck through repros no longer work on HEAD.