syzbot


panic: rack_output: IP version incorrect: 0

Status: closed as invalid on 2021/09/17 21:05
Reported-by: syzbot+c5e2c7ad830b19d91f3d@syzkaller.appspotmail.com
Fix commit: #syz fix: Fix a UDP tunneling issue with rack. Basically there are two
First crash: 1078d, last: 1078d

Sample crash report:
login: panic: rack_output: IP version incorrect: 0
cpuid = 0
time = 1620389608
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00516dc5d0
vpanic() at vpanic+0x1c7/frame 0xfffffe00516dc630
panic() at panic+0x43/frame 0xfffffe00516dc690
rack_output() at rack_output+0xc843/frame 0xfffffe00516dc9c0
tcp_hpts_thread() at tcp_hpts_thread+0xe34/frame 0xfffffe00516dcb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe00516dcbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe00516dcbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00516dcbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100084 ]
Stopped at      kdb_enter+0x67: movq    $0,0x163a54e(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff819c28f7
rbx                          0
rsp         0xfffffe00516dc5b0
rbp         0xfffffe00516dc5d0
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe00516dc4a0
r11              0x1ffaefff59c
r12         0xffffffff82267ac0  ddb_dbbe
r13                          0
r14         0xffffffff81a73d13
r15         0xffffffff81a73d13
rip         0xffffffff8112ec37  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x163a54e(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004579a70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8271c6b0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8271c6b0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8271d330
   (map 0xffffffff8271d330)
   (map.pmap 0xffffffff8271d3f0)
   (pmap 0xffffffff8271d450)
 threads: 23
100011                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100018                   I                                   [swi5: fast taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi3: vm]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   Run     CPU 0                       [swi1: hpts]
100085                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  793   792   783     0  S       connec  0xfffff80030632840  syz-executor1092967
  792   785   783     0  S       nanslp  0xffffffff8273c8e1  syz-executor1092967
  791   789   783     0  S       connec  0xfffff80030632bf0  syz-executor1092967
  790   787   783     0  S       connec  0xfffff80030632490  syz-executor1092967
  789   785   783     0  S       nanslp  0xffffffff8273c8e1  syz-executor1092967
  788   786   783     0  S       connec  0xfffff800304120e0  syz-executor1092967
  787   785   783     0  S       nanslp  0xffffffff8273c8e1  syz-executor1092967
  786   785   783     0  S       nanslp  0xffffffff8273c8e1  syz-executor1092967
  785   783   783     0  S       nanslp  0xffffffff8273c8e1  syz-executor1092967
  783   781   783     0  Ss      pause   0xfffff800309e25e8  csh
  781   694   781     0  Ss      select  0xfffff80030556840  sshd
  760     1   760     0  Ss+     ttyin   0xfffff800049dccb0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80004cf78b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004cf7cb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004cfe0b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004cfe4b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004cfe8b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004cfecb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004c780b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004c784b0  getty
  750     1    24     0  S+      piperd  0xfffff80004ed25d0  logger
  749   748    24     0  S+      nanslp  0xffffffff8273c8e0  sleep
  748     1    24     0  S+      wait    0xfffff80030573538  sh
  698     1   698     0  Ss      nanslp  0xffffffff8273c8e1  cron
  694     1   694     0  Ss      select  0xfffff80030556bc0  sshd
  507     1   507     0  Ss      select  0xfffff80030556c40  syslogd
  436     1   436     0  Ss      select  0xfffff800240599c0  devd
  435     1   435    65  Ss      select  0xfffff80024059940  dhclient
  350     1   350     0  Ss      select  0xfffff80024059840  dhclient
  347     1   347     0  Ss      select  0xfffff80024059bc0  dhclient
   23     0     0     0  DL      syncer  0xffffffff8282bd50  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004e97a70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100081                   D       qsleep  0xffffffff8282ae00  [bufdaemon]
100086                   D       -       0xffffffff8220ae00  [bufspacedaemon-0]
100099                   D       sdflush 0xfffff8002405ece8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82852c08  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100079                   D       psleep  0xffffffff82847078  [dom0]
100087                   D       launds  0xffffffff82847084  [laundry: dom0]
100088                   D       umarcl  0xffffffff815c9360  [uma]
   18     0     0     0  DL      -       0xffffffff82570c78  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82f6c828  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82dbc3c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff8282845c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8282845c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8282845c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8282845c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff82448140  [doneq0]
100045                   D       -       0xffffffff824480c0  [async]
100078                   D       -       0xffffffff82447f90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004641888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004633d80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004633d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff828445a0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff8271c120  [g_event]
100036                   D       -       0xffffffff8271c128  [g_up]
100037                   D       -       0xffffffff8271c130  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffff80004574600  [thr_0]
100029                   D       -       0xfffff80004574680  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100018                   I                                   [swi5: fast taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi3: vm]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   Run     CPU 0                       [swi1: hpts]
100085                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff8000452a538  [init]
   10     0     0     0  DL      audit_w 0xffffffff82844ab0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8271c6b0  [swapper]
100005                   D       -       0xfffff80004144800  [if_config_tqg_0]
100006                   D       -       0xfffff80004144700  [softirq_0]
100007                   D       -       0xfffff80004144600  [softirq_1]
100008                   D       -       0xfffff80004144500  [if_io_tqg_0]
100009                   D       -       0xfffff80004144400  [if_io_tqg_1]
100010                   D       -       0xfffff8000457a600  [pci_hp taskq]
100012                   D       -       0xfffff8000457a300  [inm_free taskq]
100014                   D       -       0xfffff8000457a000  [linuxkpi_irq_wq]
100015                   D       -       0xfffff80004574e00  [thread taskq]
100016                   D       -       0xfffff80004574d00  [in6m_free taskq]
100017                   D       -       0xfffff80004574c00  [aiod_kick taskq]
100019                   D       -       0xfffff80004574900  [kqueue_ctx taskq]
100020                   D       -       0xfffff80004574800  [linuxkpi_short_wq_0]
100021                   D       -       0xfffff80004574800  [linuxkpi_short_wq_1]
100022                   D       -       0xfffff80004574800  [linuxkpi_short_wq_2]
100023                   D       -       0xfffff80004574800  [linuxkpi_short_wq_3]
100024                   D       -       0xfffff80004574700  [linuxkpi_long_wq_0]
100025                   D       -       0xfffff80004574700  [linuxkpi_long_wq_1]
100026                   D       -       0xfffff80004574700  [linuxkpi_long_wq_2]
100027                   D       -       0xfffff80004574700  [linuxkpi_long_wq_3]
100034                   D       -       0xfffff80004574000  [firmware taskq]
100038                   D       -       0xfffff80004588d00  [crypto_0]
100039                   D       -       0xfffff80004588d00  [crypto_1]
100055                   D       -       0xfffff80004588700  [vtnet0 rxq 0]
100056                   D       -       0xfffff80004588600  [vtnet0 txq 0]
100057                   D       -       0xfffff80004588500  [vtnet0 rxq 1]
100058                   D       -       0xfffff80004588400  [vtnet0 txq 1]
100060                   D       vtbslp  0xfffff80004977100  [virtio_balloon]
100064                   D       -       0xfffff80004978a00  [mca taskq]
100066                   D       -       0xffffffff81e206a1  [deadlkres]
100073                   D       -       0xfffff80004c46700  [acpi_task_0]
100074                   D       -       0xfffff80004c46700  [acpi_task_1]
100075                   D       -       0xfffff80004c46700  [acpi_task_2]
100077                   D       -       0xfffff80004588c00  [CAM taskq]
db> show all locks
Process 12 (intr) thread 0xfffffe0055364000 (100084)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffff800304c39a8) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_hpts.c:1536
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4241
          tcp_hpts            5         3201K            5
         sysctloid        33718         1992K        33785
             vtbuf           24         1968K           46
              kobj          332         1328K          492
            newblk          557         1163K          602
          vfscache            3         1025K            3
               pcb           27          537K           81
          inodedep           26          522K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          121          242K          861
            acpica         1674          184K        55406
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            8          130K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          112
            linker          294          102K          318
               bus          995           81K         3509
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          508           64K          508
           kdtrace          185           37K          925
              umtx          286           36K          286
              temp           18           33K         1605
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          122           31K          132
               msg            4           30K            4
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1719
            KTRACE          100           13K          100
              kenv           93           12K           93
      eventhandler          133           12K          133
            ifaddr           30           12K           32
          routetbl           50           11K          176
              rman           84           10K          425
              GEOM           60           10K          489
         bmsafemap            2            9K           41
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          234
         CAM queue            5            6K         1528
       ufs_dirhash           24            5K           24
               UMA          265            5K          265
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
            kqueue           54            4K          796
           pwddesc           54            4K          794
             hhook           13            4K           13
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
          terminal           11            3K           11
           session           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K         9346
         proc-args           39            2K          488
          freefile           13            2K           22
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
            diradd            7            1K           36
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
       inpcbpolicy           14            1K          141
    chacha20random            1            1K            1
               osd            3            1K           10
           tcp_fsb            4            1K            4
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
              ktls            1            1K            1
            soname            8            1K         3235
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
             linux            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
             xform            2            1K           49
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
          nexusdev            7            1K            7
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            3
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            3
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          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
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
        madt_table            0            0K            2
          smartpqi            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
              iavf            0            0K            0
               ixl            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            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
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
               amr            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
     vm_fictitious            0            0K            0
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
           UMAHash            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           15
          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
            twsbuf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            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
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      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
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      twe_commands            0            0K            0
               LRO            0            0K            0
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       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
           VN POLL            0            0K            0
      twa_commands            0            0K            0
            statfs            0            0K          196
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            6
       tcp_log_dev            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         1794
               PUC            0            0K            0
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agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
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              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
          tempbuff            0            0K            0
          mbuf_tag            0            0K           27
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
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
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              accf            0            0K            0
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               iov            0            0K        13508
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              SWAP            0            0K            0
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                ix            0            0K            0
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            iirbuf            0            0K            0
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filedesc_to_leader            0            0K            0
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    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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     763       13316       0     254   37203968        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8578     812       15523       0     254    2403840        0
          BUF TRIE    144     170   13298         453       0      62    1939392        0
        malloc-384    384    4116       4        4116       0      30    1582080        0
        malloc-128    128   11051      16       11062       0     126    1416576        0
       malloc-4096   4096     332       1         492       0       2    1363968        0
       UMA Slabs 0    112    9887      10        9887       0     126    1108464        0
         FFS inode   1160     486      32         509       0       8     600880        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
        RADIX NODE    144    2099     138       20215       0      62     322128        0
      malloc-65536  65536       4       0           4       0       1     262144        0
       malloc-4096   4096      64       0         804       0       2     262144        0
         malloc-64     64    4028      67        5022       0     254     262080        0
            THREAD   1808     130      13         130       0       8     258544        0
         VM OBJECT    264     943      17       12756       0      30     253440        0
             VNODE    448     516      33         541       0      30     245952        0
        256 Bucket   2048     101      17       10110       0       8     241664        0
         malloc-16     16   13756     244       13827       0     254     224000        0
            DEVCTL   1024       0     216         116       0       0     221184        0
      malloc-65536  65536       1       2         183       0       1     196608        0
         UMA Zones    768     237       2         237       0      16     183552        0
        malloc-128    128    1277      56       29063       0     126     170624        0
         malloc-32     32    5219      73        6016       0     254     169344        0
        malloc-256    256     640      20        1014       0      62     168960        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       FFS2 dinode    256     486      24         508       0      62     130560        0
        malloc-128    128     972      20        1951       0     126     126976        0
          ksiginfo    112      49     995          65       0     126     116928        0
         MAP ENTRY     96     924     294       38131       0     126     116928        0
       malloc-1024   1024     104       8         116       0      16     114688        0
         vmem btag     56    1902     102        1902       0     254     112224        0
       malloc-2048   2048       2      52        1796       0       8     110592        0
       S VFS Cache    104     966      87        1007       0     126     109512        0
      malloc-16384  16384       4       2         181       0       1      98304        0
       malloc-8192   8192       9       2         138       0       1      90112        0
              PROC   1336      53      13         793       0       8      88176        0
          UMA Kegs    384     222       1         222       0      30      85632        0
           VMSPACE   2544      31       2         772       0       4      83952        0
             g_bio    408       0     180        4632       0      30      73440        0
         filedesc0   1072      54       9         794       0       8      67536        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-4096   4096      14       2         110       0       2      65536        0
        malloc-256    256     191      19         767       0      62      53760        0
        128 Bucket   1024      40      11         610       0      16      52224        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-2048   2048       4      20         511       0       8      49152        0
         32 Bucket    256      47     133        3768       0      62      46080        0
         malloc-64     64     526     167       14821       0     254      44352        0
        malloc-128    128     292      49         451       0     126      43648        0
        malloc-256    256     140      25         157       0      62      42240        0
            clpbuf   2624       0      16          20       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       11997       0      16      36864        0
        malloc-512    512       4      68         512       0      30      36864        0
            pcpu-8      8    4190     418        4218       0     254      36864        0
         malloc-64     64     489      78         706       0     254      36288        0
        malloc-384    384      83       7          83       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
       malloc-4096   4096       7       1         539       0       2      32768        0
           pcpu-64     64     480      32         480       0     254      32768        0
         64 Bucket    512      58       6        1337       0      30      32768        0
        malloc-128    128     118     130         419       0     126      31744        0
        malloc-384    384      45      35         102       0      30      30720        0
        malloc-256    256      83      22         138       0      62      26880        0
       malloc-1024   1024      10      14        1078       0      16      24576        0
       malloc-1024   1024      18       6          22       0      16      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
         TURNSTILE    136     144      24         144       0      62      22848        0
            socket    944      22       2        1257       0     254      22656        0
       malloc-4096   4096       3       2         200       0       2      20480        0
       malloc-2048   2048       6       4          83       0       8      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        SLEEPQUEUE     88     144      48         144       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       3       5         268       0       8      16384        0
       malloc-2048   2048       6       2           6       0       8      16384        0
       malloc-1024   1024      12       4          12       0      16      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-32     32     336     168         434       0     254      16128        0
          8 Bucket     80      42     158         417       0     126      16000        0
        malloc-256    256      13      47         346       0      62      15360        0
      tcp_rack_pcb    832       4      14           4       0      16      14976        0
             tcpcb   1064       7       7          11       0     254      14896        0
              pipe    744       7      13         284       0      16      14880        0
       malloc-2048   2048       5       1         196       0       8      12288        0
       malloc-1024   1024       5       7          21       0      16      12288        0
       malloc-1024   1024       8       4           9       0      16      12288        0
         malloc-64     64     131      58        1638       0     254      12096        0
         malloc-64     64     127      62         155       0     254      12096        0
             Files     80      75      75        6505       0     126      12000        0
         udp_inpcb    488       6      18         126       0     254      11712        0
              kenv    258      15      30        1049       0      30      11610        0
        malloc-256    256      14      31         102       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-1024   1024       0       8           4       0      16       8192        0
        malloc-512    512       3      13         189       0      30       8192        0
        malloc-512    512       6      10          14       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      20      72          31       0     126       8096        0
          rl_entry     40      36     166          36       0     254       8080        0
      tcp_rack_map    112      12      60          12       0     126       8064        0
             udpcb     32       6     246         126       0     254       8064        0
               PWD     32      10     242         100       0     254       8064        0
         malloc-64     64       8     118           9       0     254       8064        0
         malloc-64     64      65      61        9413       0     254       8064        0
         malloc-64     64      28      98         296       0     254       8064        0
         malloc-32     32       6     246          11       0     254       8064        0
         malloc-32     32      37     215         769       0     254       8064        0
         malloc-32     32      78     174        3972       0     254       8064        0
         malloc-32     32      30     222         189       0     254       8064        0
         16 Bucket    144      36      20         201       0      62       8064        0
          4 Bucket     48       5     163          54       0     254       8064        0
          2 Bucket     32      40     212         503       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1370       0     254       8016        0
         malloc-16     16       1     499           4       0     254       8000        0
         malloc-16     16      20     480          59       0     254       8000        0
         malloc-16     16     298     202         504       0     254       8000        0
         malloc-16     16      24     476          25       0     254       8000        0
         malloc-16     16     188     312        1443       0     254       8000        0
         malloc-16     16      26     474       25396       0     254       8000        0
         malloc-16     16      14     486          20       0     254       8000        0
        malloc-128    128       5      57          11       0     126       7936        0
        malloc-128    128      39      23          55       0     126       7936        0
        malloc-128    128      10      52          79       0     126       7936        0
             ripcb    488       1      15           4       0     254       7808        0
         tcp_inpcb    488       7       9          11       0     254       7808        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       7      23        1099       0     254       7680        0
       mbuf_packet    256       0      30          93       0     254       7680        0
        malloc-384    384       0      20          19       0      30       7680        0
        malloc-384    384       5      15         352       0      30       7680        0
        malloc-384    384      20       0          20       0      30       7680        0
        malloc-256    256      20      10         617       0      62       7680        0
        malloc-256    256      15      15         293       0      62       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           3       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       0       8           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       0      84           4       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-32     32       0     126           2       0     254       4032        0
         malloc-32     32     103      23         227       0     254       4032        0
             KNOTE    160       0      25           8       0      62       4000        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1280       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
     udplite_inpcb    488       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (31):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/07 12:15 freebsd-src fb53b42e36a9 f6da8120 console log report syz C ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 10:26 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 10:25 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 10:23 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 10:17 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 09:59 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 09:48 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 09:44 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 09:12 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 09:05 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 09:04 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:52 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:48 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:44 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:40 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:28 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:28 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 07:08 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 06:44 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 06:34 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 06:25 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 06:18 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 06:10 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-main panic: rack_output: IP version incorrect: 0
2021/05/07 11:10 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 09:38 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 09:21 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 09:04 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 08:35 freebsd-src fb53b42e36a9 f6da8120 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 07:12 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 06:35 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
2021/05/07 05:49 freebsd-src fb53b42e36a9 06585184 console log report ci-freebsd-i386 panic: rack_output: IP version incorrect: 0
* Struck through repros no longer work on HEAD.