syzbot


panic: allocdirect_merge: old blkno 9384 != new 9384 || old size 4096 != new NUM

Status: fixed on 2020/04/11 06:25
Reported-by: syzbot+5f11e97662b160851227@syzkaller.appspotmail.com
Fix commit: Revert -r359612 as it can cause other panics. An updated version will be made when the issue has been resolved.
First crash: 1035d, last: 1035d
duplicates (5):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
panic: allocdirect_merge: old blkno 9656 != new 9656 || old size 4096 != new NUM 1 1037d 1037d 0/2 closed as dup on 2020/04/11 20:00
panic: allocdirect_merge: old blkno 9392 != new 9392 || old size 4096 != new NUM 2 1035d 1036d 0/2 closed as dup on 2020/04/11 20:02
panic: allocdirect_merge: old blkno ADDR != new ADDR || old size NUM != new NUM C 2 1037d 1037d 0/2 closed as dup on 2020/04/11 19:56
panic: allocdirect_merge: old blkno ADDR != new ADDR || old size 4096 != new NUM C 58 1035d 1038d 0/2 closed as dup on 2020/04/11 19:57
panic: allocdirect_merge: old blkno ADDR != new ADDR || old size 8192 != new NUM C 10 1037d 1038d 0/2 closed as dup on 2020/04/11 19:58

Sample crash report:
panic: allocdirect_merge: old blkno 9384 != new 9384 || old size 4096 != new 32768
cpuid = 0
time = 1586189842
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024b1c3b0
vpanic() at vpanic+0x1c7/frame 0xfffffe0024b1c410
panic() at panic+0x43/frame 0xfffffe0024b1c470
allocdirect_merge() at allocdirect_merge+0x2c4/frame 0xfffffe0024b1c4d0
merge_inode_lists() at merge_inode_lists+0x177/frame 0xfffffe0024b1c520
softdep_update_inodeblock() at softdep_update_inodeblock+0x374/frame 0xfffffe0024b1c580
ffs_update() at ffs_update+0x309/frame 0xfffffe0024b1c620
ffs_truncate() at ffs_truncate+0x7b1/frame 0xfffffe0024b1c810
ufs_setattr() at ufs_setattr+0x91e/frame 0xfffffe0024b1c8b0
VOP_SETATTR_APV() at VOP_SETATTR_APV+0x75/frame 0xfffffe0024b1c8e0
vn_truncate_locked() at vn_truncate_locked+0xb6/frame 0xfffffe0024b1c9f0
vn_truncate() at vn_truncate+0x1d1/frame 0xfffffe0024b1ca70
kern_ftruncate() at kern_ftruncate+0x151/frame 0xfffffe0024b1cac0
amd64_syscall() at amd64_syscall+0x262/frame 0xfffffe0024b1cbf0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024b1cbf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x41332a, rsp = 0x7fffdfffdf38, rbp = 0x2 ---
KDB: enter: panic
[ thread pid 1156 tid 101149 ]
Stopped at      kdb_enter+0x67: movq    $0,0x146ea36(%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         0xfffffe002b400000
rdx                    0x3ffff
rbx                          0
rsp         0xfffffe0024b1c390
rbp         0xfffffe0024b1c3b0
rsi                    0x40001
rdi         0xffffffff810b3586  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                        0x6
r11                    0x91346
r12         0xffffffff82068e50  ddb_dbbe
r13                          0
r14         0xffffffff81932d3e
r15         0xffffffff81932d3e
rip         0xffffffff810a8847  kdb_enter+0x67
rflags                    0x86  ll+0x65
kdb_enter+0x67: movq    $0,0x146ea36(%rip)
db> show proc
Process 1156 (syz-executor.2) at 0xfffff8000b2f1a50:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 770 at 0xfffff8000bc8a000
 ABI: FreeBSD ELF64
 arguments: /root/syz-executor.2
 reaper: 0xfffff8000330c000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0003cd1000
   (map 0xfffffe0003cd1000)
   (map.pmap 0xfffffe0003cd10c0)
   (pmap 0xfffffe0003cd1120)
 threads: 3
100118                   RunQ                                syz-executor.2
101149                   Run     CPU 0                       syz-executor.2
101151                   D       ufs     0xfffff8000b1c79f0  syz-executor.2
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1156   770   770     0  R       (threaded)                  syz-executor.2
100118                   RunQ                                syz-executor.2
101149                   Run     CPU 0                       syz-executor.2
101151                   D       ufs     0xfffff8000b1c79f0  syz-executor.2
 1155   768   768     0  R       (threaded)                  syz-executor.0
100073                   Run     CPU 1                       syz-executor.0
101147                   S       sbwait  0xfffffe0003dd6704  syz-executor.0
101150                   S       sbwait  0xfffffe0003dd51d4  syz-executor.0
 1154   769   769     0  S       (threaded)                  syz-executor.1
100089                   S       nanslp  0xffffffff824ffe81  syz-executor.1
101141                   S       uwait   0xfffff8000330fc80  syz-executor.1
101143                   S       connec  0xfffffe0003ddd478  syz-executor.1
101145                   S       uwait   0xfffff8000330f980  syz-executor.1
 1151   781   781     0  S       (threaded)                  syz-executor.3
101030                   S       nanslp  0xffffffff824ffe80  syz-executor.3
101126                   S       pipdwt  0xfffff8000bfeb168  syz-executor.3
101128                   S       sbwait  0xfffffe0003dd8704  syz-executor.3
101131                   S       uwait   0xfffff800037fcc00  syz-executor.3
101132                   S       uwait   0xfffff80003a38300  syz-executor.3
101134                   S       uwait   0xfffff800037fb380  syz-executor.3
101135                   S       uwait   0xfffff80003a37080  syz-executor.3
  989   983   989     0  Ss      select  0xfffff80003a4f6c0  dhclient
  986     1   986     0  Ss      select  0xfffff80003a4f3c0  dhclient
  983   975   422    65  S       select  0xfffff8000bfa8640  dhclient
  975   422   422     0  S       wait    0xfffff80003b5c000  sh
  781   766   781     0  Ss      nanslp  0xffffffff824ffe81  syz-executor.3
  770   766   770     0  Rs                                  syz-executor.2
  769   766   769     0  Ss      nanslp  0xffffffff824ffe80  syz-executor.1
  768   766   768     0  Ss      nanslp  0xffffffff824ffe81  syz-executor.0
  766   764   764     0  S       (threaded)                  syz-fuzzer
100099                   S       uwait   0xfffff80003a3a700  syz-fuzzer
100100                   S       uwait   0xfffff800037fbb80  syz-fuzzer
100101                   S       uwait   0xfffff800037fbc80  syz-fuzzer
100102                   S       uwait   0xfffff800037fbd80  syz-fuzzer
100103                   S       kqread  0xfffff80003a3b900  syz-fuzzer
100104                   S       uwait   0xfffff800037fce00  syz-fuzzer
100105                   S       uwait   0xfffff800037fcf00  syz-fuzzer
100106                   S       uwait   0xfffff80003a3a900  syz-fuzzer
100107                   S       uwait   0xfffff800037fb080  syz-fuzzer
100108                   S       uwait   0xfffff800037fb180  syz-fuzzer
100110                   S       uwait   0xfffff80003a37580  syz-fuzzer
  764   762   764     0  Ss      pause   0xfffff80003cf05d0  csh
  762   680   762     0  Ss      select  0xfffff800030ee8c0  sshd
  748     1   748     0  Ss+     ttyin   0xfffff8000380dcb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80003b1d0b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80003b1d4b0  getty
  745     1   745     0  Ss+     ttyin   0xfffff80003b1d8b0  getty
  744     1   744     0  Ss+     ttyin   0xfffff80003b1dcb0  getty
  743     1   743     0  Ss+     ttyin   0xfffff80003b200b0  getty
  742     1   742     0  Ss+     ttyin   0xfffff80003b204b0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80003b208b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80003b20cb0  getty
  684     1   684     0  Ss      nanslp  0xffffffff824ffe80  cron
  680     1   680     0  Ss      select  0xfffff800030eea40  sshd
  493     1   493     0  Ss      select  0xfffff800030eeac0  syslogd
  422     1   422     0  Ss      wait    0xfffff80003cf0a50  devd
  421     1   421    65  Ss      select  0xfffff80003a52140  dhclient
  336     1   336     0  Ss      select  0xfffff80003a52240  dhclient
  333     1   333     0  Ss      select  0xfffff80003a522c0  dhclient
   21     0     0     0  DL      syncer  0xffffffff825d6318  [syncer]
   20     0     0     0  DL      vlruwt  0xfffff80003af6000  [vnlru]
   19     0     0     0  DL      (threaded)                  [bufdaemon]
100065                   D       qsleep  0xffffffff825d5818  [bufdaemon]
100070                   D       -       0xffffffff8200aa00  [bufspacedaemon-0]
100080                   D       sdflush 0xfffff80003ca2ce8  [/ worker]
   18     0     0     0  DL      psleep  0xffffffff825f1188  [vmdaemon]
   17     0     0     0  DL      (threaded)                  [pagedaemon]
100063                   D       psleep  0xffffffff8261d058  [dom0]
100068                   D       launds  0xffffffff8261d064  [laundry: dom0]
100069                   D       umarcl  0xffffffff81536ac0  [uma]
   16     0     0     0  DL      -       0xffffffff8235a6b0  [rand_harvestq]
   15     0     0     0  DL      waiting 0xffffffff82662620  [sctp_iterator]
    9     0     0     0  DL      -       0xffffffff825d521c  [soaiod4]
    8     0     0     0  DL      -       0xffffffff825d521c  [soaiod3]
    7     0     0     0  DL      -       0xffffffff825d521c  [soaiod2]
    6     0     0     0  DL      -       0xffffffff825d521c  [soaiod1]
    5     0     0     0  DL      (threaded)                  [cam]
100031                   D       -       0xffffffff82235ac0  [doneq0]
100062                   D       -       0xffffffff82235988  [scanner]
    4     0     0     0  DL      crypto_ 0xfffff8000320be90  [crypto returns 1]
    3     0     0     0  DL      crypto_ 0xfffff8000320be30  [crypto returns 0]
    2     0     0     0  DL      crypto_ 0xffffffff825eb250  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80003364488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100022                   D       -       0xffffffff8261b688  [g_event]
100023                   D       -       0xffffffff8261b698  [g_up]
100024                   D       -       0xffffffff8261b690  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100012                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100017                   I                                   [swi3: vm]
100018                   I                                   [swi4: clock (0)]
100019                   I                                   [swi4: clock (1)]
100020                   I                                   [swi1: netisr 0]
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    0xfffff8000330c000  [init]
   10     0     0     0  DL      audit_w 0xffffffff826631a8  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8260ad08  [swapper]
100005                   D       -       0xfffff80003215b00  [if_config_tqg_0]
100006                   D       -       0xfffff80003215900  [softirq_0]
100007                   D       -       0xfffff80003215700  [softirq_1]
100008                   D       -       0xfffff80003215500  [if_io_tqg_0]
100009                   D       -       0xfffff80003215300  [if_io_tqg_1]
100011                   D       -       0xfffff800031fad00  [thread taskq]
100013                   D       -       0xfffff800031fab00  [in6m_free taskq]
100014                   D       -       0xfffff800031faa00  [aiod_kick taskq]
100015                   D       -       0xfffff800031fa900  [kqueue_ctx taskq]
100021                   D       -       0xfffff800031fa700  [firmware taskq]
100026                   D       -       0xfffff800031fa500  [crypto_0]
100027                   D       -       0xfffff800031fa500  [crypto_1]
100041                   D       -       0xfffff800031f7a00  [vtnet0 rxq 0]
100042                   D       -       0xfffff800031f7900  [vtnet0 txq 0]
100043                   D       -       0xfffff800031f7800  [vtnet0 rxq 1]
100044                   D       -       0xfffff800031f7700  [vtnet0 txq 1]
100046                   D       vtbslp  0xfffff800037f3800  [virtio_balloon]
100050                   D       -       0xfffff8000381e200  [mca taskq]
100054                   D       -       0xffffffff81cd60c1  [deadlkres]
100057                   D       -       0xfffff80003b1c900  [acpi_task_0]
100058                   D       -       0xfffff80003b1c900  [acpi_task_1]
100059                   D       -       0xfffff80003b1c900  [acpi_task_2]
100061                   D       -       0xfffff800031fa200  [CAM taskq]
db> show all locks
Process 1156 (syz-executor.2) thread 0xfffffe0024984800 (101149)
exclusive rw per-fs softdep (per-fs softdep) r = 0 (0xfffff80003ca2c00) locked @ /syzkaller/managers/main/kernel/sys/ufs/ffs/ffs_softdep.c:12362
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003e03140) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:3878
exclusive lockmgr ufs (ufs) r = 0 (0xfffff8000b1c79f0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_vnops.c:1318
Process 1156 (syz-executor.2) thread 0xfffffe0024979300 (101151)
shared lockmgr ufs (ufs) r = 0 (0xfffff8000bebd068) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_lookup.c:737
Process 1155 (syz-executor.0) thread 0xfffffe0024d4b000 (101147)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffffe0003dd66a8) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:419
db> show malloc
              Type        InUse        MemUse     Requests
            devbuf         4213         4851K         4241
             vtbuf           24         1968K           46
         sysctloid        25931         1511K        25995
              kobj          332         1328K          488
            newblk            8         1026K         4526
          vfscache            4         1025K            4
               pcb           38          553K          460
          inodedep           12          518K          601
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          388K            4
           subproc          126          249K         1230
            acpica         1674          185K        52709
         vnet_data            1          168K            1
          filedesc           21          149K          571
           pagedep            9          130K          348
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          222           89K          253
               bus          988           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          324           41K          324
               BPF           22           36K           22
           kdtrace          179           35K         3400
         hostcache            1           32K            1
               shm            1           32K            4
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
        gtaskqueue           18           26K           18
            ifaddr           71           24K           73
              vmem            3           22K            4
            kbdmux            6           22K            6
           lltable           48           18K           62
              temp           34           17K         2020
         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          182
            bus-sc           30           14K         1431
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           99
         in6_multi           89           11K           90
      eventhandler          122           11K          122
         pfs_nodes           20           10K           20
              GEOM           60           10K          487
              rman           82           10K          423
         bmsafemap            2            9K          510
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            5
       pfs_vncache            1            8K            1
          routetbl           58            8K           62
     audit_evclass          232            8K          290
         sctp_atcl           14            7K          204
         sctp_stro            7            7K           54
           CAM DEV            3            6K          510
         sctp_timw           24            6K           24
              cred           24            6K          248
            kqueue           55            6K         1163
                vt           11            6K           11
            select           43            6K           43
            plimit           21            6K          401
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
            DEVFSP           72            5K           76
           memdesc            1            4K            1
               MCA           32            4K           32
           CAM CCB            2            4K        11485
             evdev            4            4K            4
          kcovinfo           64            4K           68
               UMA          235            4K          235
             hhook           13            4K           13
           session           25            4K           38
              pgrp           25            4K           40
           acpisem           22            3K           22
          terminal           11            3K           11
         proc-args           44            3K          572
           uidinfo            3            3K           14
          sctp_ifa           17            3K           17
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             lockf           19            2K          163
            ip6ndp           12            2K           20
           CAM XPT           22            2K          543
            Unitno           27            2K           45
          in_multi            6            2K            7
           acpidev           20            2K           20
               msi            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
             mkdir            8            1K          542
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             clone            8            1K            8
       vnodemarker            2            1K          212
      NFSD session            1            1K            1
        CAM periph            4            1K          271
         sctp_atky           21            1K          266
               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
            diradd            5            1K          399
            crypto            3            1K            3
       inpcbpolicy           18            1K         1656
         newdirblk            4            1K          271
            dirrem            2            1K          365
              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
               iov            2            1K        15117
            vnodes            1            1K            5
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
         sctp_athm           14            1K          208
          sctp_map           14            1K          108
        loginclass            3            1K            6
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
            soname            5            1K         5985
          pmchooks            1            1K            1
            prison            4            1K            4
          nexusdev            5            1K            5
           entropy            2            1K           38
           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
          freework            1            1K         1004
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           99
          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          393
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K          103
           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
          freefile            0            0K          361
          freeblks            0            0K          386
          freefrag            0            0K            7
        allocindir            0            0K            0
          indirdep            0            0K          861
       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
            ip6opt            0            0K            6
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            2
       in6_mfilter            0            0K            2
             frag6            0            0K            0
            tcplog            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          131
         sctp_iter            0            0K            8
         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            8
         sctp_aadr            0            0K            1
         sctp_stri            0            0K            8
      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            2
tiDeviceHandle_t * malloc            0            0K            0
            statfs            0            0K          448
       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          131
              accf            0            0K            0
               pts            0            0K            0
          ioctlops            0            0K          142
           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          586
            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            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 (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2020/04/06 16:17 freebsd 08ce9e8944a9 34833561 console log report
ci-freebsd-i386 2020/04/07 01:52 freebsd c97548ee45d2 99a96044 console log report
* Struck through repros no longer work on HEAD.