syzbot


panic: ASan: Invalid access, NUM-byte write in vn_read_from_obj

Status: auto-closed as invalid on 2022/02/11 23:13
Reported-by: syzbot+ec58ac81b7465ade7c81@syzkaller.appspotmail.com
First crash: 316d, last: 273d

Sample crash report:
panic: ASan: Invalid access, 8-byte write at 0xfffffe00a765a560, UseAfterScope(f8)
cpuid = 1
time = 1636845141
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00a765a130
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00a765a290
vpanic() at vpanic+0x2b8/frame 0xfffffe00a765a370
panic() at panic+0xb5/frame 0xfffffe00a765a430
__asan_store8_noabort() at __asan_store8_noabort+0x376/frame 0xfffffe00a765a4f0
vn_read_from_obj() at vn_read_from_obj+0x1ab/frame 0xfffffe00a765a6a0
VOP_READ_PGCACHE_APV() at VOP_READ_PGCACHE_APV+0x74/frame 0xfffffe00a765a6d0
vn_read() at vn_read+0x22f/frame 0xfffffe00a765a8d0
vn_io_fault_doio() at vn_io_fault_doio+0x119/frame 0xfffffe00a765aa10
vn_io_fault1() at vn_io_fault1+0x3fe/frame 0xfffffe00a765ac70
vn_io_fault() at vn_io_fault+0x492/frame 0xfffffe00a765ada0
aio_process_rw() at aio_process_rw+0x245/frame 0xfffffe00a765ae60
aio_daemon() at aio_daemon+0x43a/frame 0xfffffe00a765aef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00a765af30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00a765af30
--- trap 0xc, rip = 0x4625af, rsp = 0xfbfdbee4, rbp = 0xfbfdbf78 ---
KDB: enter: panic
[ thread pid 6028 tid 105624 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28dc92a(%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         0xd746f0da92b3546b
rdx                        0x1
rbx                          0
rsp         0xfffffe00a765a270
rbp         0xfffffe00a765a290
rsi                          0
rdi         0xffffffff817c578a  vprintf+0x35a
r8                           0
r9          0xfffffe00a7659da8
r10                          0
r11         0xfffffe009c17d530
r12         0xfffffe00a759a1e0
r13         0xfffffe00a765a201
r14         0xffffffff82c924c0  .str.18
r15         0xffffffff82c924c0  .str.18
rip         0xffffffff817b910b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28dc92a(%rip)
db> show proc
Process 6028 (aiod3) at 0xfffffe00a7cfca90:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff840369c0
 ABI: null
 flag: 0x10000204  flag2: 0
 reaper: 0xffffffff840369c0 reapsubtree: 6028
 sigparent: 20
 vmspace: 0xfffffe00a83f39f8
   (map 0xfffffe00a83f39f8)
   (map.pmap 0xfffffe00a83f3ab8)
   (pmap 0xfffffe00a83f3b20)
 threads: 1
105624                   Run     CPU 1                       [aiod3]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
22211   784   784     0  R       (threaded)                  syz-executor.3
115614                   S       nanslp  0xffffffff84062940  syz-executor.3
123275                   Run     uwait   0xfffffe00574c6000  syz-executor.3
123279                   S       uwait   0xfffffe009eefab00  syz-executor.3
12765     1 12765    65  Ss      select  0xfffffe00574c6ec0  dhclient
 7797     1  7797     0  Ss      select  0xfffffe00574c6b40  dhclient
 7789     1  7789     0  Ss      select  0xfffffe009eef9540  dhclient
 7734     1  7734    65  Ss      select  0xfffffe00574c6cc0  dhclient
 6029     0     0     0  DL      aiordy  0xfffffe00a7489548  [aiod4]
 6028     0     0     0  RL      CPU 1                       [aiod3]
 6027     0     0     0  DL      aiordy  0xfffffe00a748a000  [aiod2]
 6026     0     0     0  DL      aiordy  0xfffffe00a748aa90  [aiod1]
 4430     1  4430     0  Ss      select  0xfffffe009eef9640  dhclient
 4427     1  4427     0  Ss      select  0xfffffe00574c69c0  dhclient
 4408     1  4408    65  Ss      select  0xfffffe009eef9440  dhclient
 2834     1  2834     0  Ss      select  0xfffffe009eefb140  dhclient
 2831     1  2831     0  Ss      select  0xfffffe0056b91a40  dhclient
 2812     1  2812    65  Ss      select  0xfffffe0056b91ac0  dhclient
 1052     1  1052     0  Ss      select  0xfffffe00574c6bc0  dhclient
 1049     1  1049     0  Ss      select  0xfffffe00574c6a40  dhclient
  875     1   784     0  S       uwait   0xfffffe00574c7500  syz-executor.3
  828     1   784     0  S       uwait   0xfffffe00574c7000  syz-executor.3
  784   773   784     0  Ss      nanslp  0xffffffff84062940  syz-executor.3
  783   773   783     0  Ss      piperd  0xfffffe0058a3a2e8  syz-executor.2
  777   773   777     0  Ss      piperd  0xfffffe0058a3b2e8  syz-executor.1
  776   773   776     0  Ss      piperd  0xfffffe0058a2c5d0  syz-executor.0
  773   771   771     0  S       (threaded)                  syz-fuzzer
100101                   S       uwait   0xfffffe0057076d80  syz-fuzzer
100111                   S       uwait   0xfffffe0057076700  syz-fuzzer
100112                   S       uwait   0xfffffe0057076800  syz-fuzzer
100113                   S       uwait   0xfffffe0057076900  syz-fuzzer
100114                   S       uwait   0xfffffe0057076e80  syz-fuzzer
100115                   S       uwait   0xfffffe0057077000  syz-fuzzer
100116                   S       kqread  0xfffffe0007966000  syz-fuzzer
100118                   S       uwait   0xfffffe0057076b00  syz-fuzzer
100119                   S       uwait   0xfffffe0057077200  syz-fuzzer
  771   769   771     0  Ss      pause   0xfffffe009e751b40  csh
  769   687   769     0  Ss      select  0xfffffe0056b91c40  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00570b1cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00584480b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00584484b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00584488b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0058448cb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00584490b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00584494b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00584498b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe0058449cb0  getty
  691     1   691     0  Ss      nanslp  0xffffffff84062940  cron
  687     1   687     0  Ss      select  0xfffffe0056b91ec0  sshd
  500     1   500     0  Ss      select  0xfffffe00574c7bc0  syslogd
  429     1   429     0  Ss      select  0xfffffe00574c7c40  devd
  428     1   428    65  Ss      select  0xfffffe00574c7740  dhclient
  343     1   343     0  Ss      select  0xfffffe00574c77c0  dhclient
  340     1   340     0  Ss      select  0xfffffe00574c79c0  dhclient
   16     0     0     0  DL      vlruwt  0xfffffe0053dd3a90  [vnlru]
   15     0     0     0  DL      syncer  0xffffffff8418ad60  [syncer]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff84188a60  [bufdaemon]
100081                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe0053c5f8e8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff841c1040  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff841b4b38  [dom0]
100082                   D       launds  0xffffffff841b4b44  [laundry: dom0]
100083                   D       umarcl  0xffffffff81ec24c0  [uma]
    6     0     0     0  DL      -       0xffffffff83e18b68  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff84c2b760  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff84f9e320  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83c9e340  [doneq0]
100046                   D       -       0xffffffff83c9e2c0  [async]
100075                   D       -       0xffffffff83c9e140  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056aa6c88  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff841aebe0  [crypto]
100042                   D       crypto_ 0xfffffe0053c69d30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053c69d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff84035ac0  [g_event]
100037                   D       -       0xffffffff84035b00  [g_up]
100038                   D       -       0xffffffff84035b40  [g_down]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100019                   I                                   [swi5: fast taskq]
100029                   I                                   [swi3: vm]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053dd3000  [init]
   10     0     0     0  DL      audit_w 0xffffffff841afb80  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff840369c0  [swapper]
100005                   D       -       0xfffffe0053c7e700  [if_config_tqg_0]
100006                   D       -       0xfffffe0053c7e600  [softirq_0]
100007                   D       -       0xfffffe0053c7e500  [softirq_1]
100008                   D       -       0xfffffe0053c7e400  [if_io_tqg_0]
100009                   D       -       0xfffffe0053c7e300  [if_io_tqg_1]
100010                   D       -       0xfffffe0007968900  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0007968800  [linuxkpi_irq_wq]
100014                   D       -       0xfffffe0007968500  [aiod_kick taskq]
100015                   D       -       0xfffffe0007968400  [inm_free taskq]
100016                   D       -       0xfffffe0007968300  [in6m_free taskq]
100017                   D       -       0xfffffe0007968200  [deferred_unmount ta]
100018                   D       -       0xfffffe0007968100  [thread taskq]
100020                   D       -       0xfffffe0007967e00  [pci_hp taskq]
100021                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0007967d00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0007967c00  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0007967b00  [firmware taskq]
100039                   D       -       0xfffffe0007967a00  [crypto_0]
100040                   D       -       0xfffffe0007967a00  [crypto_1]
100056                   D       -       0xfffffe0007967700  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0007967600  [vtnet0 txq 0]
100058                   D       -       0xfffffe0007967500  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0007967400  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057079100  [virtio_balloon]
100065                   D       -       0xfffffe0007967300  [mca taskq]
100066                   D       -       0xffffffff82c99480  [deadlkres]
100071                   D       -       0xfffffe0058440300  [acpi_task_0]
100072                   D       -       0xfffffe0058440300  [acpi_task_1]
100073                   D       -       0xfffffe0058440300  [acpi_task_2]
100074                   D       -       0xfffffe0007967900  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4241
          tcp_hpts            6         3201K            6
         sysctloid        34990         2061K        35061
             vtbuf           24         1968K           46
              kobj          326         1304K          485
            newblk           39         1034K        52057
          vfscache            3         1025K            3
               pcb          473          669K        54830
          inodedep           68          538K        24576
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            3          274K            5
           subproc          141          267K        22301
            acpica         1674          184K        55619
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          349          139K          377
           pagedep            9          130K        21242
        tfo_ccache            1          128K            1
          filedesc           16          121K        42469
            DEVFS1          108          108K          125
               sem            4          106K            4
               BPF           46           88K           56
               bus          986           80K         3480
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
         sctp_stro           49           49K         8483
              umtx          374           47K          374
           kdtrace          218           44K        45507
         sctp_atcl           98           37K        34037
         sctp_timw          144           36K          144
              temp           34           33K         4198
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          127           32K          137
               msg            4           30K            4
        gtaskqueue           18           26K           18
            CC Mem          352           22K         8963
            kbdmux            6           22K            6
            ifaddr           71           21K           73
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
          routetbl          136           16K          428
           lltable           50           16K           83
           ithread           99           16K           99
            dirrem           61           16K        23595
            bus-sc           34           15K         1691
       ether_multi          157           13K          167
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           95           12K           95
       inpcbpolicy          363           12K         9372
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
         in6_multi           71            9K           71
         bmsafemap            2            9K        24427
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K         1167
               rpc            2            8K            2
             shmfd            1            8K           48
       pfs_vncache            1            8K            1
          freefile           63            8K        23592
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
         sctp_atky          203            8K        49846
         taskqueue           63            7K           63
              cred           26            7K          251
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          439
            kqueue           61            6K        22231
               osd          356            6K         8927
            DEVFSP           80            5K         6543
          pf_ifnet           12            5K           23
       ufs_dirhash           24            5K           24
           session           35            5K           55
               UMA          268            5K          268
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
           tcp_fsb           31            4K          506
           pwddesc           59            4K        22219
           acpisem           28            4K           28
             selfd           55            4K       290498
             lockf           32            4K           57
         proc-args           91            4K        23586
             hhook           15            4K           17
          terminal           11            3K           11
            select           19            3K           64
           uidinfo            3            3K           10
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           15
          sctp_ifa           14            2K           15
            Unitno           29            2K           47
           CAM XPT           22            2K          543
         sctp_athm           98            2K        34990
          sctp_map           98            2K        16966
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
             mkdir            8            1K        42442
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           54
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          freework            4            1K        33732
          sctp_ifn            6            1K           15
             ipsec            3            1K            3
          freeblks            3            1K        23013
               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
            diradd            5            1K        23636
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           18
         newdirblk            4            1K        21221
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
          indirdep            1            1K        18629
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
             xform            2            1K         6834
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K        31643
          filecaps            5            1K          116
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           47
               iov            1            1K        27388
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          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
            mqdata            0            0K            0
            tcp_do            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        12411
         sctp_iter            0            0K          365
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K          352
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           13
         sctp_aadr            0            0K          273
         sctp_stri            0            0K         1906
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
          xen_intr            0            0K            0
            DEVFS2            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
         BACKLIGHT            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
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           scsi_da            0            0K           69
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           jblocks            0            0K            0
          savedino            0            0K        24080
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             sbdep            0            0K           24
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            statfs            0            0K        21413
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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_jumbo_page   4096    8320    1078      830889       0     254   38494208        0
           tcp_log    416   68834    2293      243922       0     254   29588832        0
         sctp_asoc   2288      49    1986        8483       0     254    4656080        0
       malloc-2048   2048      53    1739       24796       0       8    3670016        0
              mbuf    256    9167    2012     1629394       0     254    2861824        0
           sctp_ep   1272      49    1985       24601       0     254    2587248        0
              pbuf   2624       0     973           0       0       2    2553152        0
      mbuf_cluster   2048    1016       0        1016       0     254    2080768        0
       malloc-1024   1024      55    1737        8489       0      16    1835008        0
        RADIX NODE    144   11961     410      595651       0      63    1781424        0
          BUF TRIE    144     192   11568       36008       0      62    1693440        0
         vmem btag     56   30049      86       30049       0     254    1687560        0
        malloc-384    384    4196      34        4590       0      30    1624320        0
        malloc-128    128   11476     242       35135       0     126    1499904        0
        sctp_raddr    736      49    1986        8547       0     254    1497760        0
        malloc-384    384     183    3477       34136       0      30    1405440        0
       UMA Slabs 0    112   12354      24       12354       0     126    1386336        0
       malloc-4096   4096     327       5         496       0       2    1359872        0
        malloc-384    384     111    2469       24621       0      30     990720        0
             tcpcb   1096     352     411        8916       0     254     836248        0
            socket    960     388     376       35301       0     254     733440        0
        256 Bucket   2048     259      69        7409       0       8     671744        0
        malloc-256    256      98    2452       48930       0      62     652800        0
         FFS inode   1160     518      28       24111       0       8     633360        0
        malloc-256    256     195    1920       28314       0      62     541440        0
         tcp_inpcb    496     560     456        8916       0     254     503936        0
    ertt_txseginfo     40   10749     462      159052       0     254     448440        0
         VM OBJECT    264    1478     112      317110       0      30     419760        0
      malloc-65536  65536       4       2         450       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
            THREAD   1808     158      29       23287       0       8     338096        0
        malloc-128    128      99    2443       24379       0     126     325376        0
        sctp_chunk    152      49    2005        3796       0     254     312208        0
             VNODE    448     558     108       24153       0      30     298368        0
         malloc-64     64    4085     514       26894       0     254     294336        0
        malloc-256    256     453     672      100740       0      62     288000        0
       malloc-4096   4096      61       9       22221       0       2     286720        0
       tcp_bbr_pcb    832     235     107        4920       0      16     284544        0
       tcp_bbr_map    128     571    1599       34384       0     126     277760        0
       mbuf_packet    256     193     823       52115       0     254     260096        0
             ripcb    496       5     507         189       0     254     253952        0
     udplite_inpcb    496       0     512          48       0     254     253952        0
         udp_inpcb    496       6     506         219       0     254     253952        0
         malloc-16     16   14504     246       14627       0     254     236000        0
      malloc-32768  32768       0       7       17729       0       1     229376        0
      malloc-16384  16384       7       7       21232       0       1     229376        0
            DEVCTL   1024       0     220         155       0       0     225280        0
         MAP ENTRY     96    1633     509     1202955       0     126     205632        0
        malloc-128    128    1205     314       69609       0     126     194432        0
         malloc-32     32    5355     567       28238       0     254     189504        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-64     64    1393    1442       49382       0     254     181440        0
     FPU_save_area    832     160      56       26344       0      16     179712        0
       FFS2 dinode    256     518     172       24110       0      62     176640        0
        128 Bucket   1024      97      50        5792       0      16     150528        0
       malloc-1024   1024     121      23        1585       0      16     147456        0
       S VFS Cache    104    1021     383       24814       0     126     146016        0
           VMSPACE   2552      39      18       22205       0       4     145464        0
         malloc-32     32     148    4010       42160       0     254     133056        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
             unpcb    256      20     490        1280       0     254     130560        0
         malloc-16     16     607    6893       95373       0     254     120000        0
         64 Bucket    512     155      77       14164       0      30     118784        0
          ksiginfo    112      72     972        3445       0     126     116928        0
        malloc-128    128     813      86       23945       0     126     115072        0
         32 Bucket    256     257     178       10726       0      62     111360        0
              PROC   1352      58      23       22218       0       8     109512        0
        malloc-128    128     626     149        4417       0     126      99200        0
      malloc-16384  16384       5       1         179       0       1      98304        0
       malloc-4096   4096      22       0          22       0       2      90112        0
         filedesc0   1072      59      25       22219       0       8      90048        0
          UMA Kegs    384     226       7         226       0      30      89472        0
             g_bio    408       0     210      263953       0      30      85680        0
         malloc-64     64     706     617      320368       0     254      84672        0
            clpbuf   2624       0      32          56       0      16      83968        0
       malloc-8192   8192       5       5          33       0       1      81920        0
       malloc-4096   4096      14       6       21438       0       2      81920        0
       malloc-2048   2048      11      29         518       0       8      81920        0
        sctp_readq    152       0     520         974       0     254      79040        0
       malloc-8192   8192       5       4         134       0       1      73728        0
        malloc-128    128     152     375         419       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         152       0       1      65536        0
        malloc-256    256      36     219       57018       0      62      65280        0
sctp_stream_msg_out    112       0     540        2975       0     254      60480        0
         malloc-64     64      82     737       22317       0     254      52416        0
        malloc-256    256      78     117         749       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48      115679       0      16      49152        0
       malloc-4096   4096       9       3          17       0       2      49152        0
       malloc-2048   2048       2      22         525       0       8      49152        0
       malloc-1024   1024      12      36         537       0      16      49152        0
      tcp_rack_pcb    896      31      23         506       0      16      48384        0
         16 Bucket    144     188     148        3684       0      62      48384        0
          syncache    168       0     264           4       0     254      44352        0
             Files     80     238     312       77633       0     126      44000        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4747     373        4991       0     254      40960        0
            da_ccb    544       0      70       66099       0      16      38080        0
              pipe    744      25      25         459       0      16      37200        0
              ertt     72     352     152        8916       0     126      36288        0
         malloc-64     64     150     417        6682       0     254      36288        0
         malloc-64     64      26     541         391       0     254      36288        0
         malloc-64     64       6     561           6       0     254      36288        0
          8 Bucket     80     270     180        4809       0     126      36000        0
        malloc-128    128      94     185         166       0     126      35712        0
        malloc-128    128      16     263          18       0     126      35712        0
     routing nhops    256      27     108          35       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256       5     130        3195       0      62      34560        0
        malloc-256    256      64      71         976       0      62      34560        0
        malloc-256    256      38      97       21284       0      62      34560        0
         TURNSTILE    136     188      64         188       0      62      34272        0
        SLEEPQUEUE     88     188     196         188       0     126      33792        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-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-2048   2048       6      10         576       0       8      32768        0
       malloc-2048   2048       3      13         140       0       8      32768        0
       malloc-2048   2048       0      16           2       0       8      32768        0
       malloc-2048   2048       7       9           9       0       8      32768        0
       malloc-2048   2048       2      14           5       0       8      32768        0
       malloc-1024   1024       2      30          20       0      16      32768        0
       malloc-1024   1024      16      16          16       0      16      32768        0
       malloc-1024   1024       5      27          52       0      16      32768        0
        malloc-512    512       5      59         255       0      30      32768        0
        malloc-512    512       0      64        1906       0      30      32768        0
        malloc-512    512      12      52          12       0      30      32768        0
        malloc-512    512      10      54          18       0      30      32768        0
           pcpu-64     64     481      31         481       0     254      32768        0
             KNOTE    160      28     172      201705       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
      tcp_rack_map    120      62     202         637       0     126      31680        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588        5321       0     254      28224        0
               PWD     32      20     862       21316       0     254      28224        0
         malloc-32     32     393     489        1301       0     254      28224        0
         malloc-32     32     365     517        9387       0     254      28224        0
          4 Bucket     48       7     581         497       0     254      28224        0
          2 Bucket     32      67     815        7358       0     254      28224        0
               AIO    208       1     132          39       0      62      27664        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       3       3         636       0       2      24576        0
           rtentry    176      31     107          35       0      62      24288        0
              PGRP     88      35     241          55       0     126      24288        0
          rl_entry     40      93     513         131       0     254      24240        0
        malloc-384    384       3      57          66       0      30      23040        0
        malloc-384    384      32      28          32       0      30      23040        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         267       0     254      20160        0
         malloc-64     64       2     313           3       0     254      20160        0
         malloc-32     32     138     492       12660       0     254      20160        0
         malloc-32     32      52     578         151       0     254      20160        0
         malloc-32     32      44     586          45       0     254      20160        0
         malloc-32     32      32     598         353       0     254      20160        0
             AIOCB    552       1      34         144       0      16      19320        0
       Mountpoints   2752       2       5           2       0       4      19264        0
            AIOLIO    272       0      70          32       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       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-4096   4096       1       3           2       0       2      16384        0
       malloc-1024   1024       5      11           5       0      16      16384        0
       malloc-1024   1024       3      13           3       0      16      16384        0
        malloc-512    512       0      32           5       0      30      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       3     508           3       0     254      16352        0
      vtnet_tx_hdr     24       0     668      451377       0     254      16032        0
         malloc-16     16     520     480        1847       0     254      16000        0
              kenv    258      15      45        1046       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       3     508           3       0     254      12264        0
              AIOP     32       4     374           4       0     254      12096        0
         malloc-16     16      17     733       19853       0     254      12000        0
         malloc-16     16       5     745         172       0     254      12000        0
         malloc-16     16       6     744           6       0     254      12000        0
         malloc-16     16      41     709       23013       0     254      12000        0
        malloc-384    384      11      19          11       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           2       0       2       8192        0
         malloc-16     16       2     498           4       0     254       8000        0
           pcpu-16     16       7     249           7       0     254       4096        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          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     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       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
    IPsec SA lft_c     16       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
          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
           NCLNODE    608       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
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       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
    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-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-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-384    384       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 (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-freebsd-i386 2021/11/13 23:12 freebsd-src 64ba1f4cf3a6 83f5c9b5 log report panic: ASan: Invalid access, NUM-byte write in vn_read_from_obj
ci-freebsd-i386 2021/10/30 03:51 freebsd-src 141a53cd58cd 098b5d53 log report panic: ASan: Invalid access, NUM-byte write in vn_read_from_obj
ci-freebsd-i386 2021/10/12 18:30 freebsd-src 120b20bdf496 f5acd036 log report panic: ASan: Invalid access, NUM-byte write in vn_read_from_obj
ci-freebsd-i386 2021/10/03 09:16 freebsd-src 3fe686f25a0d db0f5787 log report panic: ASan: Invalid access, NUM-byte write in vn_read_from_obj
ci-freebsd-i386 2021/10/01 17:13 freebsd-src a36230f75e0a db0f5787 log report panic: ASan: Invalid access, NUM-byte write in vn_read_from_obj