syzbot


panic: H:ADDR p_prev_slot:NUM not equal to p_cur_slot:ADDR

Status: auto-closed as invalid on 2021/04/15 10:47
Reported-by: syzbot+82d1f48204aa385e9f8e@syzkaller.appspotmail.com
First crash: 1190d, last: 1190d

Sample crash report:
panic: H:0xfffff800044f8d00 p_prev_slot:97352 not equal to p_cur_slot:100509
cpuid = 1
time = 2000000092
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00516e7900
vpanic() at vpanic+0x1c7/frame 0xfffffe00516e7960
panic() at panic+0x43/frame 0xfffffe00516e79c0
tcp_hpts_thread() at tcp_hpts_thread+0x1d9f/frame 0xfffffe00516e7b10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe00516e7bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe00516e7bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00516e7bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100073 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1459b5e(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xffffffff81111930  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe00516e78e0
rbp         0xfffffe00516e7900
rsi                          0
rdi         0xffffffff81111966  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0094e62110
r12         0xffffffff82067650  ddb_dbbe
r13                          0
r14         0xffffffff819b1fb0
r15         0xffffffff819b1fb0
rip         0xffffffff81105c27  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x1459b5e(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004466a50:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82512cf0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff82512cf0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff82513940
   (map 0xffffffff82513940)
   (map.pmap 0xffffffff82513a00)
   (pmap 0xffffffff82513a60)
 threads: 23
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100020                   Run     CPU 0                       [swi4: clock (0)]
100021                   RunQ                                [swi4: clock (1)]
100022                   I                                   [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   Run     CPU 1                       [swi1: hpts]
100074                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
33953   779   779     0  R       (threaded)                  syz-executor.2
107204                   RunQ                                syz-executor.2
143036                   RunQ                                syz-executor.2
 6383     1  6383    65  Rs                                  dhclient
 4817     1  4817     0  Ss      select  0xfffff80017424b40  dhclient
 4799     1  4799     0  Ss      select  0xfffff80017d3a140  dhclient
 4779   774  4779     0  Ds      biowr   0xfffffe0003919680  syz-executor.0
 2487     1  2487    65  Rs                                  dhclient
 2148     1  2148     0  Ss      select  0xfffff80004ee82c0  dhclient
 2145     1  2145     0  Ss      select  0xfffff80004ee8640  dhclient
 2124     1  2124    65  Rs                                  dhclient
 1810     1  1810     0  Ss      select  0xfffff80017b52440  dhclient
 1807     1  1807     0  Ss      select  0xfffff80017b52040  dhclient
 1788     1  1788    65  Rs                                  dhclient
 1456     1  1456     0  Ss      select  0xfffff80017d69b40  dhclient
 1452     1  1452     0  Ss      select  0xfffff80017d69cc0  dhclient
  857   774   857     0  Ss      piperd  0xfffff80017a9b8b8  syz-executor.3
  829   774   829     0  Ss      piperd  0xfffff80017a9b000  syz-executor.1
  779   774   779     0  Rs                                  syz-executor.2
  774   772   772     0  R       (threaded)                  syz-fuzzer
100087                   S       uwait   0xfffff80004b0f800  syz-fuzzer
100107                   RunQ                                syz-fuzzer
100108                   RunQ                                syz-fuzzer
100109                   S       uwait   0xfffff800172ec700  syz-fuzzer
100110                   S       uwait   0xfffff800172ec800  syz-fuzzer
100111                   S       uwait   0xfffff800172ec600  syz-fuzzer
100112                   S       uwait   0xfffff80004c04380  syz-fuzzer
100113                   S       uwait   0xfffff80004c04480  syz-fuzzer
100114                   S       uwait   0xfffff800172ec900  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffff80004f7b5d8  csh
  770   694   770     0  Ss      select  0xfffff800048e42c0  sshd
  754     1   754     0  Ss+     ttyin   0xfffff800048d84b0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004c158b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004c15cb0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004ba10b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004ba14b0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004ba18b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004ba1cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004b930b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b934b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff82532f20  cron
  694     1   694     0  Ss      select  0xfffff80004ee8040  sshd
  507     1   507     0  Rs                                  syslogd
  436     1   436     0  Ss      select  0xfffff800048e4040  devd
  435     1   435    65  Rs                                  dhclient
  350     1   350     0  Ss      select  0xfffff80004ee8e40  dhclient
  347     1   347     0  Ss      select  0xfffff80004ee8ec0  dhclient
   23     0     0     0  RL                                  [vnlru]
   22     0     0     0  RL                                  [syncer]
   21     0     0     0  RL      (threaded)                  [bufdaemon]
100070                   RunQ                                [bufdaemon]
100075                   RunQ                                [bufspacedaemon-0]
100088                   RunQ                                [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82648988  [vmdaemon]
   19     0     0     0  RL      (threaded)                  [pagedaemon]
100068                   RunQ                                [dom0]
100076                   D       launds  0xffffffff8263ce04  [laundry: dom0]
100077                   RunQ                                [uma]
   18     0     0     0  RL                                  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82d5b818  [sctp_iterator]
   16     0     0     0  RL                                  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261ea5c  [soaiod1]
    6     0     0     0  RL      (threaded)                  [cam]
100034                   RunQ                                [doneq0]
100067                   D       -       0xffffffff8223ef10  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004668c88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004533d90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004533d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8263a310  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82512760  [g_event]
100026                   D       -       0xffffffff82512768  [g_up]
100027                   D       -       0xffffffff82512770  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004470d00  [thr_0]
100019                   D       -       0xfffff80004470d80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100013                   I                                   [swi5: fast taskq]
100016                   I                                   [swi6: task queue]
100020                   Run     CPU 0                       [swi4: clock (0)]
100021                   RunQ                                [swi4: clock (1)]
100022                   I                                   [swi1: netisr 0]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   Run     CPU 1                       [swi1: hpts]
100074                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004486528  [init]
   10     0     0     0  DL      audit_w 0xffffffff8263a830  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82512cf0  [swapper]
100005                   D       -       0xfffff80004086400  [if_config_tqg_0]
100006                   RunQ                                [softirq_0]
100007                   D       -       0xfffff80004086000  [softirq_1]
100008                   D       -       0xfffff80004468d00  [if_io_tqg_0]
100009                   D       -       0xfffff80004468b00  [if_io_tqg_1]
100011                   RunQ                                [thread taskq]
100012                   D       -       0xfffff80004468500  [aiod_kick taskq]
100014                   D       -       0xfffff80004468100  [kqueue_ctx taskq]
100015                   D       -       0xfffff80004463e00  [in6m_free taskq]
100017                   D       -       0xfffff80004463a00  [inm_free taskq]
100024                   D       -       0xfffff80004463200  [firmware taskq]
100028                   D       -       0xfffff800044a4c00  [crypto_0]
100029                   D       -       0xfffff800044a4c00  [crypto_1]
100044                   D       -       0xfffff80004878e00  [vtnet0 rxq 0]
100045                   D       -       0xfffff80004878d00  [vtnet0 txq 0]
100046                   D       -       0xfffff80004878c00  [vtnet0 rxq 1]
100047                   D       -       0xfffff80004878b00  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004661100  [virtio_balloon]
100053                   D       -       0xfffff800048deb00  [mca taskq]
100058                   RunQ                                [deadlkres]
100063                   D       -       0xfffff80004503600  [acpi_task_0]
100064                   D       -       0xfffff80004503600  [acpi_task_1]
100065                   D       -       0xfffff80004503600  [acpi_task_2]
100066                   D       -       0xfffff800044a4500  [CAM taskq]
db> show all locks
Process 4779 (syz-executor.0) thread 0xfffffe0094e15300 (100115)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0003919700) locked @ /syzkaller/managers/i386/kernel/sys/ufs/ffs/ffs_vnops.c:310
exclusive lockmgr ufs (ufs) r = 0 (0xfffff80017b3f440) locked @ /syzkaller/managers/i386/kernel/sys/kern/vfs_cache.c:4183
Process 12 (intr) thread 0xfffffe0051df1e00 (100073)
exclusive sleep mutex tcp_hpts_lck (hpts) r = 0 (0xfffff800044f8d00) locked @ /syzkaller/managers/i386/kernel/sys/netinet/tcp_hpts.c:1302
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4339K         4244
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30650         1798K        30716
              kobj          328         1312K          486
            newblk            4         1025K        33363
          vfscache            3         1025K            3
           pf_rule          796          768K         1030
               pcb          137          620K        77428
          inodedep           36          526K        41723
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          142          271K        34058
            acpica         1674          184K        58593
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            8          130K        65739
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          278          100K          314
          filedesc           12           89K        65500
               BPF           46           88K           54
               bus          982           80K         3359
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          502           63K          502
         sctp_timw          174           44K          174
              umtx          342           43K          342
           kdtrace          206           41K        77005
              temp           38           39K         9486
         sctp_stro           36           36K        16068
         hostcache            1           32K            1
               shm            1           32K           38
            DEVFS3          124           31K          134
               msg            4           30K            4
          pf_table           14           28K           85
         sctp_atcl           72           27K        52949
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            ifaddr           77           23K           79
            kbdmux            6           22K            6
          routetbl           80           22K          367
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
           lltable           52           17K          219
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           32           14K         1594
       ether_multi          157           13K          192
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
            dirrem           44           11K        32845
      eventhandler          129           11K          129
              GEOM           60           10K          486
              rman           82           10K          423
         in6_multi           71            9K           83
         bmsafemap            2            9K        32986
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K          278
               rpc            2            8K            2
             shmfd            1            8K           27
       pfs_vncache            1            8K            1
            kqueue           68            8K        34123
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
              cred           25            7K         1055
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          597
          freefile           44            6K        32836
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
          pf_ifnet           14            5K           52
            DEVFSP           78            5K          102
       ufs_dirhash           20            5K           24
         sctp_atky          108            5K        69757
           session           35            5K           64
               UMA          261            5K          261
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
          kcovinfo           64            4K           85
             evdev            4            4K            4
           pwddesc           60            4K        33961
             selfd           55            4K       448881
             lockf           32            4K          184
             hhook           13            4K           13
         proc-args           52            3K          872
          terminal           11            3K           11
           acpisem           22            3K           22
            select           19            3K          205
           uidinfo            3            3K           39
          sctp_ifa           16            2K           20
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
           CAM CCB            1            2K        69336
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           17
            Unitno           28            2K           58
           CAM XPT           22            2K          543
       inpcbpolicy           50            2K        16828
          in_multi            6            2K           12
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
         sctp_athm           72            2K        53383
          sctp_map           72            2K        32028
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          176
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           20
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           20
             mkdir            4            1K        65504
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
         newdirblk            3            1K        32752
            diradd            3            1K        32891
    chacha20random            1            1K            1
               osd            3            1K           10
            vnodes            1            1K            1
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
        aesni_data            2            1K            2
     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
          freework            1            1K        32772
          pmchooks            1            1K            1
            soname            4            1K        41808
          nexusdev            6            1K            6
          filecaps            5            1K          133
          sctp_vrf            1            1K            1
           entropy            2            1K           53
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        23705
         sctp_iter            0            0K           25
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           10
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           15
         sctp_aadr            0            0K          369
         sctp_stri            0            0K         1092
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
            pvscsi            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
               USB            0            0K            0
          xen_intr            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
            twsbuf            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
     vm_fictitious            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
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K       115298
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           85
           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        32770
          freefrag            0            0K            6
        allocindir            0            0K            0
          indirdep            0            0K           18
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
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            ip6opt            0            0K          115
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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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9220     510        9982       0     253   19927040        0
        RADIX NODE    144   14588   17693     1902965       0      63    4648464        0
              pbuf   2632       0     973           0       0       2    2560936        0
       mbuf_packet    256    8402     690     1590105       0     254    2327552        0
         sctp_asoc   2288      36     899       16014       0     253    2139280        0
   mbuf_jumbo_page   4096       0     486        6593       0     253    1990656        0
          BUF TRIE    144     187   13281       39084       0      62    1939392        0
       malloc-4096   4096     388      11       34447       0       3    1634304        0
        malloc-384    384    4117       3        4431       0      30    1582080        0
       malloc-2048   2048      40     728      105834       0       8    1572864        0
        malloc-128    128   10225      36       10352       0     126    1313408        0
           sctp_ep   1280      36     849       36035       0     253    1132800        0
       malloc-1024   1024     883       5        1374       0      16     909312        0
       UMA Slabs 0    112    7006     551        7577       0     126     846384        0
       malloc-1024   1024      36     720       16018       0      16     774144        0
        malloc-384    384     124    1526       53045       0      30     633600        0
              mbuf    256     753    1720     6842732       0     254     633088        0
         FFS inode   1128     524      29       33360       0       8     623784        0
        sctp_raddr    736      36     778       18589       0     253     599104        0
            socket    944      69     483       56725       0     253     521088        0
       tcp_bbr_map    128      36    3529     1135047       0     126     456320        0
        256 Bucket   2048     183      13       11116       0       8     401408        0
         VM OBJECT    264    1294     116      487262       0      30     372240        0
      malloc-65536  65536       4       1         128       0       1     327680        0
      malloc-65536  65536       0       5         692       0       1     327680        0
             VNODE    488     561      95       33399       0      30     320128        0
            THREAD   1792     145      26       43043       0       8     306432        0
         tcp_inpcb    488      43     485       14848       0     253     257664        0
      malloc-16384  16384       6       7       32748       0       1     212992        0
         malloc-64     64    3242      34        3317       0     254     209664        0
         malloc-16     16   12711     289       12771       0     254     208000        0
        malloc-256    256      44     766      104221       0      62     207360        0
         MAP ENTRY     96    1524     492     1842399       0     126     193536        0
         UMA Zones    768     233       1         233       0      16     179712        0
        128 Bucket   1024      99      72       20625       0      16     175104        0
       FFS2 dinode    256     524     136       33360       0      62     168960        0
        malloc-128    128    1216      55       27668       0     126     162688        0
         malloc-32     32    4831      83        4853       0     254     157248        0
        sctp_chunk    152      40     922        4769       0     253     146224        0
       S VFS Cache    104    1025     379       34284       0     126     146016        0
         vmem btag     56    2395      41        2395       0     254     136416        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           3       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
        malloc-256    256     292     218       34158       0      62     130560        0
        malloc-256    256     237     273       76057       0      62     130560        0
           VMSPACE   2544      37      14       33945       0       4     129744        0
             tcpcb   1048      36      74       14848       0     253     115280        0
         64 Bucket    512      82     142      102734       0      30     114688        0
        malloc-128    128     438     399       99382       0     126     107136        0
              PROC   1320      59      22       33960       0       8     106920        0
       malloc-4096   4096      22       4          26       0       2     106496        0
            DEVCTL   1024       0     100         131       0       0     102400        0
            pcpu-8      8   10943     321       14075       0     254      90112        0
         filedesc0   1072      60      24       33961       0       8      90048        0
          UMA Kegs    384     219       4         219       0      30      85632        0
            clpbuf   2632       0      32          19       0      15      84224        0
        malloc-256    256     174     141      116279       0      62      80640        0
        malloc-384    384      35     165       41749       0      30      76800        0
         malloc-64     64     659     538       35300       0     254      76608        0
         malloc-64     64     112    1022       37444       0     254      72576        0
         malloc-64     64     612     522      455673       0     254      72576        0
        malloc-128    128     503      55        4616       0     126      71424        0
      malloc-16384  16384       4       0         157       0       1      65536        0
       malloc-8192   8192       5       3         124       0       1      65536        0
       malloc-8192   8192       7       1           9       0       1      65536        0
             g_bio    408       4     156      274811       0      30      65280        0
       malloc-4096   4096      13       2          26       0       2      61440        0
        malloc-256    256     105     135       68636       0      62      61440        0
         malloc-32     32     319    1571       74258       0     254      60480        0
         32 Bucket    256     102     123      665955       0      62      57600        0
         malloc-64     64     312     570       68122       0     254      56448        0
        malloc-128    128     366      37        2170       0     126      51584        0
        malloc-384    384     111      19         293       0      30      49920        0
       malloc-2048   2048      18       6         137       0       8      49152        0
              pipe    744      23      37        1386       0      16      44640        0
        malloc-128    128      68     273       65746       0     126      43648        0
           DIRHASH   1024      30      10          34       0      16      40960        0
       malloc-2048   2048      13       7          32       0       8      40960        0
sctp_stream_msg_out    112       0     360        2134       0     253      40320        0
        sctp_laddr     48       0     840       30669       0     254      40320        0
             Files     80     233     267      106349       0     126      40000        0
        malloc-256    256      19     131       33007       0      62      38400        0
             NAMEI   1024       1      35      152807       0      16      36864        0
       malloc-2048   2048       4      14         511       0       8      36864        0
      malloc-32768  32768       0       1         117       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       1       1           7       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-1024   1024      27       5          46       0      16      32768        0
           pcpu-64     64     456      56         456       0     254      32768        0
          ksiginfo    112      66     222        2423       0     126      32256        0
         malloc-16     16      74    1926       85141       0     254      32000        0
         malloc-16     16      99    1901       32242       0     254      32000        0
          8 Bucket     80     123     277        9578       0     126      32000        0
             unpcb    256      21      99        3762       0     253      30720        0
       tcp_bbr_pcb    832      12      24        4750       0      16      29952        0
       malloc-4096   4096       4       3         601       0       2      28672        0
       malloc-4096   4096       2       5       33185       0       2      28672        0
       malloc-4096   4096       3       4        1160       0       2      28672        0
       malloc-4096   4096       7       0           7       0       2      28672        0
        malloc-512    512       0      56        1092       0      30      28672        0
         TURNSTILE    136     172      38         172       0      62      28560        0
               PWD     32      19     863       32879       0     254      28224        0
          4 Bucket     48      12     576        1206       0     254      28224        0
             KNOTE    160      30     145      514657       0      62      28000        0
        malloc-384    384      41      29         183       0      30      26880        0
       malloc-2048   2048       4       8        1129       0       8      24576        0
         16 Bucket    144      90      78        2338       0      62      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128     153      33         687       0     126      23808        0
     udplite_inpcb    488       0      48         718       0     253      23424        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      50      10          52       0      30      23040        0
         malloc-32     32      34     596       37955       0     254      20160        0
          2 Bucket     32      53     577        5788       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        SLEEPQUEUE     88     172      20         172       0     126      16896        0
      malloc-16384  16384       0       1           2       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       0       2           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-1024   1024       9       7         821       0      16      16384        0
        malloc-512    512       5      27         168       0      30      16384        0
         malloc-64     64     132     120         155       0     254      16128        0
      vtnet_tx_hdr     24       0     668     6703406       0     254      16032        0
      tcp_rack_pcb    704       0      22          62       0      16      15488        0
       malloc-1024   1024       7       5           7       0      16      12288        0
       malloc-1024   1024       3       9        2562       0      16      12288        0
        malloc-512    512      10      14          21       0      30      12288        0
         malloc-32     32     143     235       16964       0     254      12096        0
         malloc-32     32     157     221        1116       0     254      12096        0
         malloc-16     16     469     281        1720       0     254      12000        0
             ripcb    488       5      19         688       0     253      11712        0
         udp_inpcb    488       2      22         574       0     253      11712        0
     routing nhops    256      28      17          45       0      62      11520        0
        malloc-256    256      26      19          26       0      62      11520        0
        malloc-256    256      28      17        1923       0      62      11520        0
           tcp_log    416       0      27          24       0     253      11232        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           9       0       2       8192        0
       malloc-2048   2048       4       0           4       0       8       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
       malloc-1024   1024       2       6           2       0      16       8192        0
        malloc-512    512      10       6         184       0      30       8192        0
        malloc-512    512       1      15         219       0      30       8192        0
        malloc-512    512       5      11         525       0      30       8192        0
           pf tags    104      21      57          76       0     126       8112        0
           rtentry    176      32      14          45       0      62       8096        0
    tcp_log_bucket    176       0      46           9       0      62       8096        0
              PGRP     88      35      57          64       0     126       8096        0
          rl_entry     40      76     126          76       0     254       8080        0
             udpcb     32       2     250        1292       0     254       8064        0
         malloc-64     64       9     117         612       0     254       8064        0
         malloc-32     32      40     212         806       0     254       8064        0
         malloc-32     32      19     233        2068       0     254       8064        0
         malloc-16     16      24     476         141       0     254       8000        0
         malloc-16     16      30     470       44577       0     254       8000        0
         malloc-16     16      36     464         316       0     254       8000        0
      tcp_log_node    120       0      66          15       0     126       7920        0
        sctp_readq    152       0      52         208       0     253       7904        0
            itimer    352       0      22          35       0      30       7744        0
              kenv    258       3      27        1053       0      30       7740        0
        malloc-384    384       1      19          79       0      30       7680        0
        malloc-384    384      14       6          14       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55          31       0     126       6448        0
         domainset     40       0     126          18       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     96       1      41           1       0     253       4032        0
          syncache    168       0      24           4       0     253       4032        0
         malloc-64     64       3      60           3       0     254       4032        0
         malloc-32     32       7     119           7       0     254       4032        0
         malloc-16     16       2     248           2       0     254       4000        0
      tcp_rack_map    120       0      33          76       0     126       3960        0
       UMA Slabs 1    176      21       1          21       0      62       3872        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       2      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        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
   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     253          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     253          0        0
          pf mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       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     253          0        0
               ipq     56       0       0           0       0     254          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
           NCLNODE    592       0       0           0       0      16          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
        TMPFS node    224       0       0           0       0      62          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
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          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     253          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     253          0        0
      audit_record   1280       0       0           0       0       8          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      63          0        0
            mdpbuf   2632       0       0           0       0       3          0        0
           nfspbuf   2632       0       0           0       0      15          0        0
            swwbuf   2632       0       0           0       0       7          0        0
            swrbuf   2632       0       0           0       0      15          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-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-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-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-128    128       0       0           0       0     126          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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/15 10:46 freebsd-src 8818758a6ea7 65a7a854 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.