syzbot


Fatal trap 9: general protection fault in sctp_process_control

Status: fixed on 2020/05/12 08:19
Reported-by: syzbot+4481757e967ba83c445a@syzkaller.appspotmail.com
Fix commit: 86fd36c502db Fix a copy and paste error introduced in r360878.
First crash: 1002d, last: 1001d

Sample crash report:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer	= 0x20:0xffffffff81309450
stack pointer	        = 0x28:0xfffffe001a0c7260
frame pointer	        = 0x28:0xfffffe001a0c76d0
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		= 12 (swi1: netisr 0)
trap number		= 9
panic: general protection fault
cpuid = 0
time = 1589177924
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001a0c6f30
vpanic() at vpanic+0x1c7/frame 0xfffffe001a0c6f90
panic() at panic+0x43/frame 0xfffffe001a0c6ff0
trap_fatal() at trap_fatal+0x4ca/frame 0xfffffe001a0c7070
trap() at trap+0xda/frame 0xfffffe001a0c7190
calltrap() at calltrap+0x8/frame 0xfffffe001a0c7190
--- trap 0x9, rip = 0xffffffff81309450, rsp = 0xfffffe001a0c7260, rbp = 0xfffffe001a0c76d0 ---
sctp_process_control() at sctp_process_control+0x3600/frame 0xfffffe001a0c76d0
sctp_common_input_processing() at sctp_common_input_processing+0x74c/frame 0xfffffe001a0c7860
sctp6_input_with_port() at sctp6_input_with_port+0x300/frame 0xfffffe001a0c7960
sctp6_input() at sctp6_input+0x1f/frame 0xfffffe001a0c7980
ip6_input() at ip6_input+0x1802/frame 0xfffffe001a0c7a90
swi_net() at swi_net+0x20d/frame 0xfffffe001a0c7b10
ithread_loop() at ithread_loop+0x328/frame 0xfffffe001a0c7bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe001a0c7bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe001a0c7bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100022 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a9036(%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                       0x80  ll+0x5f
rdx         0xffffffff818a2f56
rbx                          0
rsp         0xfffffe001a0c6f10
rbp         0xfffffe001a0c6f30
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11                          0
r12         0xffffffff82068ec0  ddb_dbbe
r13                          0
r14         0xffffffff81942f10
r15         0xffffffff81942f10
rip         0xffffffff810ae837  kdb_enter+0x67
rflags                    0x82  ll+0x61
kdb_enter+0x67: movq    $0,0x14a9036(%rip)
db> show proc
Process 12 (intr) at 0xfffff80003308520:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8250b710
 ABI: null
 reaper: 0xffffffff8250b710 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8250c350
   (map 0xffffffff8250c350)
   (map.pmap 0xffffffff8250c410)
   (pmap 0xffffffff8250c470)
 threads: 23
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100019                   I                                   [swi3: vm]
100020                   I                                   [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 0                       [swi1: netisr 0]
100034                   I                                   [irq24: virtio_pci0]
100035                   I                                   [irq25: virtio_pci0]
100036                   I                                   [irq26: virtio_pci0]
100037                   I                                   [irq27: virtio_pci0]
100038                   I                                   [irq28: virtio_pci1]
100039                   I                                   [irq29: virtio_pci1]
100040                   I                                   [irq30: virtio_pci1]
100041                   I                                   [irq31: virtio_pci1]
100042                   I                                   [irq32: virtio_pci1]
100047                   I                                   [irq10: virtio_pci2]
100049                   I                                   [irq1: atkbd0]
100050                   I                                   [irq12: psm0]
100051                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100072                   I                                   [swi1: hpts]
100073                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  950   773   771     0  RE      CPU 1                       syz-executor0884878
  773   771   771     0  R                                   syz-executor0884878
  771   769   771     0  Ss      pause   0xfffff8001c3ae0a8  csh
  769   682   769     0  Ss      select  0xfffff8001c1f21c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffff8000383ccb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80003b2e4b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80003b2e8b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b2ecb0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80003b2d0b0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80003b2d4b0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80003b2d8b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80003b2dcb0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80003b300b0  getty
  738     1    24     0  S+      piperd  0xfffff80003cf72f8  logger
  737   736    24     0  S+      nanslp  0xffffffff8252c1e1  sleep
  736     1    24     0  S+      wait    0xfffff80003cdd520  sh
  686     1   686     0  Ss      nanslp  0xffffffff8252c1e0  cron
  682     1   682     0  Ss      select  0xfffff80003c2f940  sshd
  495     1   495     0  Ss      select  0xfffff80003c75c40  syslogd
  424     1   424     0  Ss      select  0xfffff80003c78040  devd
  423     1   423    65  Ss      select  0xfffff80003c75cc0  dhclient
  338     1   338     0  Ss      select  0xfffff80003c780c0  dhclient
  335     1   335     0  Ss      select  0xfffff8001c1f2ac0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff800033dc520  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff82618118  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100069                   D       qsleep  0xffffffff82617430  [bufdaemon]
100076                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100086                   D       sdflush 0xfffff80003c69ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff8263e308  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100067                   D       psleep  0xffffffff826328d8  [dom0]
100074                   D       launds  0xffffffff826328e4  [laundry: dom0]
100075                   D       umarcl  0xffffffff815449d0  [uma]
   18     0     0     0  DL      -       0xffffffff8235fe20  [rand_harvestq]
   17     0     0     0  DL      pftm    0xffffffff82c4f3a0  [pf purge]
   16     0     0     0  DL      waiting 0xffffffff8261a890  [sctp_iterator]
   15     0     0     0  DL      -       0xffffffff82616a2c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff82616a2c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff82616a2c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff82616a2c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100033                   D       -       0xffffffff82237b40  [doneq0]
100066                   D       -       0xffffffff82237a10  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80003204e90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80003204e30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff826300c0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff8000335f488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100024                   D       -       0xffffffff8250b180  [g_event]
100025                   D       -       0xffffffff8250b188  [g_up]
100026                   D       -       0xffffffff8250b190  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100017                   D       -       0xfffff80003319680  [thr_0]
100018                   D       -       0xfffff800033196c0  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100019                   I                                   [swi3: vm]
100020                   I                                   [swi4: clock (0)]
100021                   I                                   [swi4: clock (1)]
100022                   Run     CPU 0                       [swi1: netisr 0]
100034                   I                                   [irq24: virtio_pci0]
100035                   I                                   [irq25: virtio_pci0]
100036                   I                                   [irq26: virtio_pci0]
100037                   I                                   [irq27: virtio_pci0]
100038                   I                                   [irq28: virtio_pci1]
100039                   I                                   [irq29: virtio_pci1]
100040                   I                                   [irq30: virtio_pci1]
100041                   I                                   [irq31: virtio_pci1]
100042                   I                                   [irq32: virtio_pci1]
100047                   I                                   [irq10: virtio_pci2]
100049                   I                                   [irq1: atkbd0]
100050                   I                                   [irq12: psm0]
100051                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100072                   I                                   [swi1: hpts]
100073                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80003307000  [init]
   10     0     0     0  DL      audit_w 0xffffffff82630598  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250b710  [swapper]
100005                   D       -       0xfffff8000320fb00  [if_config_tqg_0]
100006                   D       -       0xfffff8000320f900  [softirq_0]
100007                   D       -       0xfffff8000320f700  [softirq_1]
100008                   D       -       0xfffff8000320f500  [if_io_tqg_0]
100009                   D       -       0xfffff8000320f300  [if_io_tqg_1]
100011                   D       -       0xfffff800031fcd00  [in6m_free taskq]
100012                   D       -       0xfffff800031fcc00  [thread taskq]
100014                   D       -       0xfffff800031fca00  [kqueue_ctx taskq]
100015                   D       -       0xfffff800031fc900  [aiod_kick taskq]
100023                   D       -       0xfffff800031fc700  [firmware taskq]
100028                   D       -       0xfffff800031fc500  [crypto_0]
100029                   D       -       0xfffff800031fc500  [crypto_1]
100043                   D       -       0xfffff800031fc200  [vtnet0 rxq 0]
100044                   D       -       0xfffff800031fc100  [vtnet0 txq 0]
100045                   D       -       0xfffff800031fc000  [vtnet0 rxq 1]
100046                   D       -       0xfffff800031fbe00  [vtnet0 txq 1]
100048                   D       vtbslp  0xfffff800034f0580  [virtio_balloon]
100052                   D       -       0xfffff800031fbc00  [mca taskq]
100055                   D       -       0xffffffff81ce66e0  [deadlkres]
100061                   D       -       0xfffff80003b7e000  [acpi_task_0]
100062                   D       -       0xfffff80003b7e000  [acpi_task_1]
100063                   D       -       0xfffff80003b7e000  [acpi_task_2]
100065                   D       -       0xfffff800031fc300  [CAM taskq]
db> show all locks
Process 950 (syz-executor0884878) thread 0xfffffe002583f500 (100102)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8001c97f468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_usrreq.c:695
Process 12 (intr) thread 0xfffffe00048b3000 (100022)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00258a88b0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1342
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4851K         4238
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        27747         1619K        27811
              kobj          332         1328K          491
            newblk          452         1137K          509
          vfscache            4         1025K            4
               pcb           27          544K          429
          inodedep           26          525K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          388K            4
           subproc          114          222K         1018
            acpica         1674          185K        52709
         vnet_data            1          168K            1
           pagedep            8          130K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          101          101K          110
            linker          237           95K          266
               bus          967           78K         3347
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          499           63K          499
              temp           18           33K         1536
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
            DEVFS3          120           30K          130
              umtx          234           30K          234
           kdtrace          148           29K         1956
        DEVFS_RULE           56           27K           56
        gtaskqueue           18           26K           18
              vmem            3           22K            4
            kbdmux            6           22K            6
               BPF           10           18K           10
         ufs_mount            3           17K            4
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           98           16K           98
            bus-sc           30           14K         1431
            ifaddr           32           13K           32
            KTRACE          100           13K          100
              kenv           95           12K           99
      eventhandler          132           12K          132
         pfs_nodes           20           10K           20
              GEOM           60           10K          487
              rman           82           10K          423
         bmsafemap            2            9K           40
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         sctp_timw           31            8K           31
     audit_evclass          233            8K          291
           CAM DEV            3            6K          510
                vt           11            6K           11
              cred           21            6K          234
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
            plimit           17            5K          322
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
               UMA          247            4K          247
           lltable           11            4K           11
          routetbl           14            4K           14
             hhook           13            4K           13
       ether_multi           40            4K           45
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
            kqueue           47            3K          953
           acpisem           22            3K           22
          terminal           11            3K           11
         sctp_atcl            5            3K          531
           session           20            3K           31
              pgrp           20            3K           31
            select           18            3K           18
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
         proc-args           39            2K          472
          freefile           13            2K           22
           CAM XPT           22            2K          543
             lockf           15            2K           22
            Unitno           25            2K           37
           acpidev           20            2K           20
               msi            9            2K            9
           softdep            1            1K            1
            dirrem            4            1K           28
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
         sctp_stro            1            1K          177
             clone            8            1K            8
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            diradd            7            1K           36
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
            ip6ndp            4            1K            5
          sctp_ifa            5            1K            5
            crypto            3            1K            3
         newdirblk            4            1K            8
             mkdir            4            1K           16
         sctp_stri            1            1K          354
          in_multi            2            1K            3
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
             epoch            4            1K            4
              cdev            2            1K            2
 encap_export_host            8            1K            8
               osd            3            1K            9
               mld            2            1K            2
          sctp_ifn            2            1K            2
         sctp_atky            6            1K          885
              igmp            2            1K            2
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
       inpcbpolicy            6            1K          131
        loginclass            3            1K            7
     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
              ktls            1            1K            1
          pmchooks            1            1K            1
            prison            4            1K            4
            DEVFSP            2            1K            2
            soname            4            1K         6142
          filecaps            4            1K           66
               tun            3            1K            3
          nexusdev            5            1K            5
         sctp_athm            5            1K          708
           entropy            2            1K           35
          freework            1            1K           26
          sctp_vrf            1            1K            1
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
          sctp_map            2            1K          354
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
           ath_hal            0            0K            0
        madt_table            0            0K            2
            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
            ata_da            0            0K            0
            pvscsi            0            0K            0
          smartpqi            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
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
       fpukern_ctx            0            0K            0
             mixer            0            0K            0
          xen_intr            0            0K            0
              ac97            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
              isci            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
           CAM CCB            0            0K         1824
               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           12
          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
          freeblks            0            0K           25
          freefrag            0            0K            7
        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
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K            3
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
lDevFlags * malloc            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            3
         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            3
         sctp_aadr            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          196
       export_host            0            0K            0
        cl_savebuf            0            0K            3
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           25
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        12967
          ioctlops            0            0K           86
           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          574
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            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
          kcovinfo            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
           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
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            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
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        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 (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2020/05/11 06:21 freebsd 12efb4c05941 8742a2b9 console log report syz C
ci-freebsd-main 2020/05/11 15:22 freebsd 12efb4c05941 f8f57555 console log report
ci-freebsd-main 2020/05/11 05:14 freebsd 12efb4c05941 8742a2b9 console log report
ci-freebsd-i386 2020/05/12 04:59 freebsd 83527e52a1e1 9eb09c40 console log report
ci-freebsd-i386 2020/05/11 23:48 freebsd 83527e52a1e1 9eb09c40 console log report
ci-freebsd-i386 2020/05/11 20:11 freebsd 83527e52a1e1 9eb09c40 console log report
ci-freebsd-i386 2020/05/11 17:05 freebsd 12efb4c05941 f8f57555 console log report
ci-freebsd-i386 2020/05/11 09:32 freebsd 12efb4c05941 f8f57555 console log report
ci-freebsd-i386 2020/05/11 06:13 freebsd 12efb4c05941 8742a2b9 console log report
ci-freebsd-i386 2020/05/11 05:50 freebsd 12efb4c05941 8742a2b9 console log report
ci-freebsd-i386 2020/05/11 05:37 freebsd 12efb4c05941 8742a2b9 console log report
* Struck through repros no longer work on HEAD.