syzbot


panic: vm_object_unwire: missing page

Status: upstream: reported on 2025/05/22 20:10
Reported-by: syzbot+6eb03e897d330b85f339@syzkaller.appspotmail.com
First crash: 118d, last: 31d

Sample crash report:
panic: vm_object_unwire: missing page
cpuid = 1
time = 1755415997
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056d404b0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056d40610
vpanic() at vpanic+0x257/frame 0xfffffe0056d407d0
panic() at panic+0xb5/frame 0xfffffe0056d40890
vm_object_unwire() at vm_object_unwire+0x5cd/frame 0xfffffe0056d409c0
vm_map_entry_unwire() at vm_map_entry_unwire+0x169/frame 0xfffffe0056d40a10
vm_map_delete() at vm_map_delete+0x358/frame 0xfffffe0056d40b50
vmspace_dofree() at vmspace_dofree+0xe9/frame 0xfffffe0056d40b90
vmspace_exit() at vmspace_exit+0x278/frame 0xfffffe0056d40c50
exit1() at exit1+0x99b/frame 0xfffffe0056d40cf0
sys__exit() at sys__exit+0x28/frame 0xfffffe0056d40d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe0056d40f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056d40f30
--- syscall (1, FreeBSD ELF64, _exit), rip = 0x3a1f5a, rsp = 0x820c5ea78, rbp = 0x820c5ea80 ---
KDB: enter: panic
[ thread pid 964 tid 100199 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25b6ed7(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe0002bf1850
rdx                          0
rbx         0xffffffff827e1820  .str.27
rsp         0xfffffe0056d405f0
rbp         0xfffffe0056d40610
rsi                          0
rdi         0xffffffff81626189  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x3f
r12         0xfffffe005411a000
r13         0xfffffffffffffffd
r14         0xffffffff827e1820  .str.27
r15                          0
rip         0xffffffff8160fcbe  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x25b6ed7(%rip)
db> show proc
Process 964 (syz-executor) at 0xfffffe0054135018:
 state: NORMAL
 uid: 0  gids: 0, 5
 parent: pid 765 at 0xfffffe00540cd008
 ABI: FreeBSD ELF64
 flag: 0x10002000  flag2: 0x40000
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xffffffff83b52060
   (map 0xffffffff83b52060)
   (map.pmap 0xffffffff83b52100)
   (pmap 0xffffffff83b52170)
 threads: 1
100199                   Run     CPU 1                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  967   964   765     0  S       uwait   0xfffffe0058299580  syz-executor
  965   763   763     0  R       (threaded)                  syz-executor
100100                   Run     CPU 0                       syz-executor
100298                   S       uwait   0xfffffe006e520780  syz-executor
100299                   S       uwait   0xfffffe006e520680  syz-executor
  964   765   765     0  RE      CPU 1                       syz-executor
  963   766   766     0  R       (threaded)                  syz-executor
100098                   RunQ                                syz-executor
100295                   S       uwait   0xfffffe006e520880  syz-executor
100297                   S       uwait   0xfffffe00584f3280  syz-executor
  960     1   763     0  S       uwait   0xfffffe005829a180  syz-executor
  957     0     0     0  DL      -       0xffffffff83b52520  [accounting]
  955     1   765     0  S       uwait   0xfffffe00584f2b80  syz-executor
  954     1   765     0  S       uwait   0xfffffe00584f2c80  syz-executor
  950     1   763     0  S       uwait   0xfffffe005829a580  syz-executor
  941     1   766     0  S       uwait   0xfffffe0058299280  syz-executor
  940     1   766     0  S       uwait   0xfffffe005829a380  syz-executor
  929     1   765     0  S       uwait   0xfffffe0057da2b00  syz-executor
  927     1   763     0  S       uwait   0xfffffe0057da2e00  syz-executor
  926     1   763     0  S       uwait   0xfffffe006e51f980  syz-executor
  904     1   904     0  Ss+     ttyin   0xfffffe00586284b0  getty
  903     1   903     0  Ss+     ttyin   0xfffffe00586280b0  getty
  902     1   902     0  Ss+     ttyin   0xfffffe0058627cb0  getty
  901     1   901     0  Ss+     ttyin   0xfffffe00586278b0  getty
  900     1   900     0  Ss+     ttyin   0xfffffe005828acb0  getty
  899     1   899     0  Ss+     ttyin   0xfffffe00586274b0  getty
  898     1   898     0  Ss+     ttyin   0xfffffe005828a8b0  getty
  897     1   897     0  Ss+     ttyin   0xfffffe00586270b0  getty
  896     1   896     0  Ss+     ttyin   0xfffffe005828bcb0  getty
  882   783   423     0  S       kqread  0xfffffe007774c200  rtsol
  880     1   765     0  S       uwait   0xfffffe006e520c80  syz-executor
  878     1   765     0  S       uwait   0xfffffe006e521400  syz-executor
  870   865   865     0  D       tun_con 0xfffffe00595c9528  ifconfig
  865   762   865     0  S       wait    0xfffffe005409f568  syz-executor
  838     0     0     0  DL      -       0xffffffff83cb7e00  [soaiod4]
  837     0     0     0  DL      -       0xffffffff83cb7e00  [soaiod3]
  836     0     0     0  DL      -       0xffffffff83cb7e00  [soaiod2]
  835     0     0     0  DL      -       0xffffffff83cb7e00  [soaiod1]
  834     1   764 60929  S       uwait   0xfffffe006e520e80  syz-executor
  828     0     0     0  DL      (threaded)                  [KTLS]
100132                   D       -       0xfffffe0053eb0700  [thr_0]
100136                   D       -       0xfffffe0053eb0780  [thr_1]
100137                   D       -       0xffffffff83cb9628  [reclaim_0]
  821     1   765     0  S       uwait   0xfffffe0057da2400  syz-executor
  817     1   765     0  S       uwait   0xfffffe006e521600  syz-executor
  812     0     0     0  DL      aiordy  0xfffffe00540f3010  [aiod4]
  811     0     0     0  DL      aiordy  0xfffffe0054005570  [aiod3]
  808     0     0     0  DL      aiordy  0xfffffe00540f3ac0  [aiod2]
  807     0     0     0  DL      aiordy  0xfffffe00540f3568  [aiod1]
  783   772   423     0  S       wait    0xfffffe0054005018  sh
  772     1   423     0  S       wait    0xfffffe00540f4570  sh
  766   762   766     0  R                                   syz-executor
  765   762   765     0  S       nanslp  0xffffffff83ba7c41  syz-executor
  763   762   763     0  S       nanslp  0xffffffff83ba7c41  syz-executor
  762   760   760     0  S       select  0xfffffe0057da26c0  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe005409fb70  csh
  758   681   758     0  Ss      select  0xfffffe0057da2740  sshd
  736     1    17     0  S+      nanslp  0xffffffff83ba7c40  sleep
  681     1   681     0  Ss      select  0xfffffe0058299e40  sshd
   16     0     0     0  DL      syncer  0xffffffff83cc5820  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe005409d558  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cc3d60  [bufdaemon]
100080                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100092                   D       sdflush 0xfffffe0058289ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d0ec80  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83cf4d48  [dom0]
100081                   D       launds  0xffffffff83cf4d54  [laundry: dom0]
100082                   D       umarcl  0xffffffff81df2880  [uma]
    7     0     0     0  DL      -       0xffffffff839205d8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff847dbc30  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8449e700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838ea340  [doneq0]
100046                   D       -       0xffffffff838ea2c0  [async]
100075                   D       -       0xffffffff838ea140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83cf0640  [crypto]
100043                   D       crypto_ 0xfffffe0053efb730  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0053efb780  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b50640  [g_event]
100038                   D       -       0xffffffff83b50660  [g_up]
100039                   D       -       0xffffffff83b50680  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100031                   RunQ                                [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   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    0xfffffe0007809010  [init]
   10     0     0     0  DL      audit_w 0xffffffff83cf10e0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c43ff0  [swapper]
100005                   D       -       0xfffffe0053eb2100  [softirq_0]
100006                   D       -       0xfffffe0053eb2000  [softirq_1]
100007                   D       -       0xfffffe0053eb1e00  [if_io_tqg_0]
100008                   D       -       0xfffffe0053eb1d00  [if_io_tqg_1]
100009                   D       -       0xfffffe0053eb1c00  [if_config_tqg_0]
100010                   D       -       0xfffffe0007774200  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0007774100  [jail_remove taskq]
100012                   D       -       0xfffffe0007774000  [bus taskq]
100015                   D       -       0xfffffe0007773c00  [thread taskq]
100017                   D       -       0xfffffe0007773a00  [aiod_kick taskq]
100018                   D       -       0xfffffe0007773900  [deferred_unmount ta]
100019                   D       -       0xfffffe0007773800  [inm_free taskq]
100020                   D       -       0xfffffe0007773700  [in6m_free taskq]
100021                   D       -       0xfffffe0007773600  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007773500  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007773500  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007773500  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007773500  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007773400  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007773400  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007773400  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007773400  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0007773300  [firmware taskq]
100040                   D       -       0xfffffe0007773200  [crypto_0]
100041                   D       -       0xfffffe0007773200  [crypto_1]
100056                   D       -       0xfffffe0007772e00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0007772d00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0007772c00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0007772b00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057d9e680  [virtio_balloon]
100065                   D       -       0xffffffff827e5f01  [deadlkres]
100069                   D       -       0xfffffe00593f6a00  [acpi_task_0]
100070                   D       -       0xfffffe00593f6a00  [acpi_task_1]
100071                   D       -       0xfffffe00593f6a00  [acpi_task_2]
100073                   D       -       0xfffffe0007774c00  [mca taskq]
100074                   D       -       0xfffffe0007773100  [CAM taskq]
100076                   D       -       0xfffffe00593f6900  [ipsec_offload]
  966   964   765     0  Z                                   syz-executor
db> show all locks
Process 964 (syz-executor) thread 0xfffffe005411a000 (100199)
shared rw vmobject (vmobject) r = 0 (0xfffffe00540c49b0) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_object.c:2350
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe0054111e10) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4099
Process 870 (ifconfig) thread 0xfffffe00540bf000 (100091)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff83cc6000) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:3000
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          401         5494K          617
          tcp_hpts            7         4801K            7
            devbuf         4187         4323K         4212
         sysctloid        35338         2082K        35413
             vtbuf           24         1968K           46
              kobj          331         1324K          497
            newblk           10         1027K         1331
          vfscache            3         1025K            3
               pcb           33          674K          127
          inodedep            7          515K          246
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          filedesc           45          357K          238
           subproc          156          302K         1061
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K         9949
            acpica         1674          184K        54450
              vmem            5          144K            7
           tidhash            3          141K            3
           pagedep            5          129K          116
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          106          106K          123
        gtaskqueue           18           98K           18
               bus         1005           82K         5097
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          524           66K          527
       ddb_capture            1           64K            1
              umtx          336           42K          336
           kdtrace          219           42K         1269
         hostcache            1           32K            1
               shm            1           32K            8
            DEVFS3          125           32K          135
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           30           21K         2296
        DEVFS_RULE           56           20K           56
            ifaddr           66           19K           68
         ufs_mount            4           17K            5
              proc            3           17K            3
               LRO           16           17K           16
               tty           16           16K           16
          routetbl          129           16K          409
           ithread           90           15K           90
            bus-sc           34           15K         1660
      eventhandler          163           14K          163
           lltable           43           14K           43
             ifnet            7           13K            7
       ether_multi          152           13K          162
              kenv           95           12K           95
              cred           27           11K          296
              GEOM           49           11K          431
         CAM queue            5           11K         1528
              rman           82           10K          447
             shmfd            4           10K            7
               rpc            8            9K            8
         in6_multi           65            9K           65
         bmsafemap            2            9K          223
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
       pfs_vncache            1            8K            1
            plimit           21            8K          487
     audit_evclass          240            8K          304
            kqueue           73            8K         1094
         taskqueue           69            8K           75
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
       ufs_dirhash           24            5K           27
               UMA          270            5K          270
          pf_ifnet           10            5K           20
           pwddesc           66            5K          975
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
            DEVFSP           51            4K           73
          kcovinfo           45            3K           45
          terminal           11            3K           11
           acpidev           20            3K           20
           uidinfo            4            3K           16
         proc-args           81            3K         2033
             hhook            8            3K           10
             clone            9            3K            9
            crypto            8            3K           19
           netlink            2            3K           73
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
           session           15            2K           47
            Unitno           31            2K           52
             selfd           28            2K        25672
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K            8
               tun            4            2K            4
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
            CC Mem           10            2K           65
         sctp_atcl            3            2K           30
               msi            9            2K            9
             lockf           10            2K           68
         sctp_stro            1            1K            2
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           22
      NFSD session            1            1K            1
       inpcbpolicy           28            1K          293
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
               mld            6            1K            6
              igmp            6            1K            6
              pfil            6            1K            6
               BPF            6            1K           16
            isadev            6            1K            8
             mount           16            1K          288
          pci_link           10            1K           10
               osd           15            1K           82
            diradd            5            1K          197
 encap_export_host           12            1K           12
            select            5            1K           37
          indirdep            2            1K          202
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
      counter_rate           13            1K           13
    chacha20random            1            1K            1
            biobuf            1            1K            1
              ktls            3            1K           12
         sctp_timw            1            1K            1
          freefrag            2            1K           64
            ip6opt            1            1K            8
        ip_msource            4            1K           18
            vnodes            1            1K            3
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
       ip6_msource            3            1K            4
           tcpfunc            3            1K            3
        loginclass            3            1K            5
            prison            6            1K            6
         sctp_atky            4            1K           32
         cryptodev            2            1K           63
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
         newdirblk            1            1K          101
             mkdir            1            1K          202
          freefile            1            1K          145
          ktls_ocf            1            1K            2
               aio            4            1K            4
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          filecaps            3            1K           83
          sctp_vrf            1            1K            1
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
         sctp_athm            3            1K           30
          sctp_map            2            1K            4
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K          275
          p1003.1b            1            1K            1
        ext2_mount            0            0K            0
         ext2_node            0            0K            0
      ext2_extents            0            0K            0
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            1
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
            mqdata            0            0K            0
      tcp_pcm_rack            0            0K            1
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            0            0K            2
           filemon            0            0K            3
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            4
         sctp_iter            0            0K           11
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           11
         sctp_aadr            0            0K            0
         sctp_stri            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
               ixl            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
      NMI handlers            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
      amdiommu_dom            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       13177       0     254   38494208        0
           tcp_log    416    2128    4991       11045       0     254    2961504        0
              mbuf    256    8610    1052       19052       0     254    2473472        0
          BUF TRIE    152     238   11566        1174       0      62    1794208        0
        malloc-384    384    4173      27        4517       0      30    1612800        0
        malloc-128    128   11580      14       11748       0     126    1484032        0
       malloc-4096   4096     331       5         502       0       2    1376256        0
       UMA Slabs 0    112   11097      21       11097       0     126    1245216        0
        RADIX NODE    152    7614     285       32238       0      62    1200648        0
         malloc-64     64     575   15742       26752       0     254    1044288        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   17332      59       17332       0     254     973896        0
      malloc-65536  65536      10       1          14       0       1     720896        0
         FFS inode   1168     540      34         690       0       8     670432        0
           sctp_ep   1152       2     509          28       0     254     588672        0
         sctp_asoc   2256       1     254           2       0     254     575280        0
      malloc-65536  65536       4       4         180       0       1     524288        0
            socket   1024      34     474        1556       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
       malloc-2048   2048       5     243        1044       0       8     507904        0
      malloc-16384  16384      26       3         310       0       1     475136        0
        256 Bucket   2048     216      10        1244       0       8     462848        0
         VM OBJECT    248    1142     170       15116       0      62     325376        0
            THREAD   1860     150      18         300       0       8     312480        0
       malloc-4096   4096      70       6         974       0       2     311296        0
             VNODE    440     577      89         730       0      30     293040        0
         malloc-64     64    3954     393        8337       0     254     278208        0
      malloc-32768  32768       3       5         160       0       1     262144        0
         malloc-16     16   14574     426       17561       0     254     240000        0
       malloc-2048   2048     102      10         166       0       8     229376        0
            DEVCTL   1024      22     198         147       0       0     225280        0
        malloc-256    256     254     556        2273       0      62     207360        0
         malloc-32     32    5689     485        9082       0     254     197568        0
        sctp_raddr    736       1     263           2       0     254     194304        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-128    128    1200     195       25628       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320       4     512        1204       0     254     165120        0
     FPU_save_area    832     152      46         381       0      16     164736        0
       FFS2 dinode    256     540      90         690       0      62     161280        0
         MAP ENTRY     96    1426     212       48389       0     126     157248        0
       malloc-1024   1024     118      26        1363       0      16     147456        0
       S VFS Cache    104    1023     381        1204       0     126     146016        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2           2       0       1     131072        0
       mbuf_packet    256       1     507         208       0     254     130048        0
              PROC   1368      67      21         967       0       8     120384        0
          ksiginfo    112      66     978         138       0     126     116928        0
        malloc-128    128     741     158        1933       0     126     115072        0
        malloc-128    128     540     235        3822       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
         filedesc0   1072      66      18         975       0       8      90048        0
          UMA Kegs    384     228       5         228       0      30      89472        0
    ertt_txseginfo     40       0    2121        2307       0     254      84840        0
       malloc-8192   8192       7       3          12       0       1      81920        0
       malloc-4096   4096      14       4         324       0       2      73728        0
             g_bio    408       0     180        8361       0      30      73440        0
        128 Bucket   1024      52      15         255       0      16      68608        0
         malloc-64     64     524     547        1551       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         123       0       1      65536        0
      malloc-32768  32768       1       1          16       0       1      65536        0
      malloc-16384  16384       2       2           6       0       1      65536        0
         64 Bucket    512      96      32        2145       0      30      65536        0
        malloc-256    256     195      60         353       0      62      65280        0
        malloc-256    256      73     182         808       0      62      65280        0
         32 Bucket    256      78     177         477       0      62      65280        0
       malloc-8192   8192       5       2         115       0       1      57344        0
       malloc-4096   4096      10       4          25       0       2      57344        0
        malloc-256    256      63     132         294       0      62      49920        0
           DIRHASH   1024      34      14          36       0      16      49152        0
             NAMEI   1024       0      48       14120       0      16      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-2048   2048       8      16          34       0       8      49152        0
       malloc-1024   1024      15      33         530       0      16      49152        0
           pcpu-64     64     502     266         502       0     254      49152        0
        malloc-384    384      39      81         760       0      30      46080        0
        malloc-384    384      95      25          95       0      30      46080        0
          syncache    168       0     264           3       0     254      44352        0
         tcp_inpcb   1304      14      19          65       0       8      43032        0
       malloc-8192   8192       3       2           5       0       1      40960        0
       malloc-4096   4096       6       4         641       0       2      40960        0
            pcpu-8      8    4706     414        4917       0     254      40960        0
           VMSPACE    584      41      29         943       0      16      40880        0
              pipe    736      20      35         350       0      16      40480        0
        sctp_chunk    152       1     259           1       0     254      39520        0
            da_ccb    544       0      70        2208       0      16      38080        0
         udp_inpcb    408       9      81         182       0      30      36720        0
         malloc-64     64      11     556       14267       0     254      36288        0
         malloc-64     64     204     363         226       0     254      36288        0
         malloc-64     64      70     497        1008       0     254      36288        0
         malloc-64     64     286     281        1825       0     254      36288        0
         malloc-64     64      71     496          89       0     254      36288        0
        malloc-128    128      67     212          67       0     126      35712        0
        malloc-128    128      33     246         256       0     126      35712        0
        malloc-128    128     103     176         604       0     126      35712        0
        malloc-128    128      79     200         343       0     126      35712        0
      ktls_session    256       1     134           3       0      62      34560        0
     routing nhops    256      27     108          34       0      62      34560        0
           ttyoutq    256      72      63         304       0      62      34560        0
        malloc-384    384      48      42          68       0      30      34560        0
        malloc-256    256       2     133         717       0      62      34560        0
        malloc-256    256      29     106        1028       0      62      34560        0
        malloc-256    256       6     129          42       0      62      34560        0
        malloc-256    256      22     113         288       0      62      34560        0
         TURNSTILE    136     169      83         169       0      62      34272        0
        SLEEPQUEUE     88     169     215         169       0     126      33792        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-2048   2048       5      11          45       0       8      32768        0
       malloc-2048   2048       8       8           8       0       8      32768        0
       malloc-2048   2048       5      11         115       0       8      32768        0
       malloc-2048   2048       6      10         223       0       8      32768        0
       malloc-2048   2048       9       7          10       0       8      32768        0
       malloc-1024   1024       1      31          11       0      16      32768        0
       malloc-1024   1024       6      26           6       0      16      32768        0
       malloc-1024   1024      19      13          64       0      16      32768        0
       malloc-1024   1024       2      30           7       0      16      32768        0
       malloc-1024   1024       2      30           5       0      16      32768        0
        malloc-512    512       2      62          67       0      30      32768        0
        malloc-512    512       4      60         176       0      30      32768        0
        malloc-512    512       2      62          29       0      30      32768        0
        malloc-512    512       9      55          10       0      30      32768        0
        malloc-512    512       5      59          42       0      30      32768        0
        malloc-512    512       0      64           5       0      30      32768        0
       tcp_bbr_pcb    896       1      35           3       0      16      32256        0
sctp_stream_msg_out    112       0     288           1       0     254      32256        0
            ttyinq    160     135      65         570       0      62      32000        0
   tcp_log_id_node    120       4     260           4       0     126      31680        0
              PGRP    120      20     244          52       0     126      31680        0
            clpbuf   2624       0      12          53       0       4      31488        0
        sctp_laddr     48       0     588          12       0     254      28224        0
          rl_entry     48       3     585           9       0     254      28224        0
         16 Bucket    144      65     131         330       0      62      28224        0
          4 Bucket     48       7     581          12       0     254      28224        0
               AIO    208       1     132          20       0      62      27664        0
     udplite_inpcb    408       4      59          12       0      30      25704        0
            cpuset    200      10     118          12       0      62      25600        0
       malloc-8192   8192       1       2           3       0       1      24576        0
       malloc-4096   4096       3       3           4       0       2      24576        0
 tcp_log_id_bucket    176       4     134           4       0      62      24288        0
               PWD     40      23     583         169       0     254      24240        0
           rtentry    168      30     114          34       0      62      24192        0
             Files     80     152     148        7897       0     126      24000        0
          8 Bucket     80      75     225         366       0     126      24000        0
            itimer    352       0      66           6       0      30      23232        0
        malloc-384    384       3      57          61       0      30      23040        0
        malloc-384    384      19      41          21       0      30      23040        0
        malloc-384    384       4      56           4       0      30      23040        0
        malloc-384    384      28      32         294       0      30      23040        0
             ripcb    376       5      55          34       0      30      22560        0
       Mountpoints   2816       2       6           3       0       4      22528        0
         hostcache     64       2     313           2       0     254      20160        0
              ertt     72      10     270          65       0     126      20160        0
         malloc-32     32      19     611         121       0     254      20160        0
         malloc-32     32      12     618          56       0     254      20160        0
         malloc-32     32     233     397        1246       0     254      20160        0
         malloc-32     32      37     593        2709       0     254      20160        0
         malloc-32     32      28     602          49       0     254      20160        0
         malloc-32     32      76     554        1689       0     254      20160        0
         malloc-32     32      74     556         352       0     254      20160        0
          2 Bucket     32      71     559         407       0     254      20160        0
      tcp_rack_map    128       0     155           3       0     126      19840        0
       tcp_bbr_map    128       0     155          37       0     126      19840        0
           cryptop    280       0      70           3       0      30      19600        0
             AIOCB    552       1      34          30       0      16      19320        0
       L VFS Cache    320       1      59          16       0      30      19200        0
            AIOLIO    272       0      70           4       0      30      19040        0
              vmem   1856       2       7           2       0       8      16704        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-8192   8192       0       2          23       0       1      16384        0
       malloc-4096   4096       0       4           6       0       2      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
           pf tags    104       0     156           1       0     126      16224        0
         malloc-16     16     535     465        4905       0     254      16000        0
              kenv    258      17      43        1065       0      30      15480        0
      tcp_rack_pcb   1088       0      14           1       0       8      15232        0
            mqnode    416       3      33           3       0      30      14976        0
         domainset     40       0     315           1       0     254      12600        0
        SMR SHARED     24       8     503           8       0     254      12264        0
      vtnet_tx_hdr     24       0     501        1761       0     254      12024        0
             KNOTE    160       4      71          57       0      62      12000        0
         malloc-16     16      14     736         346       0     254      12000        0
         malloc-16     16       6     744           6       0     254      12000        0
         malloc-16     16      36     714       24891       0     254      12000        0
         malloc-16     16       9     741         129       0     254      12000        0
         malloc-16     16      56     694          99       0     254      12000        0
         malloc-16     16      17     733          22       0     254      12000        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      15      24          30       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    152       0       0           0       0      62          0        0
   cdg_qdiffsample     16       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 fragment node     72       0       0           0       0     126          0        0
          pf frags    232       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
pf Ethernet anchors   1240       0       0           0       0      64          0        0
        pf anchors   1664       0       0           0       0      64          0        0
   pf UDP mappings    104       0       0           0       0     126          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    384       0       0           0       0     254          0        0
          pf mtags    184       0       0           0       0      62          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
               ipq     56       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
        sctp_readq    152       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          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    240       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    152       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    112       0       0           0       0     126          0        0
            skbuff   1808       0       0           0       0       8          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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          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    152       0       0           0       0      62          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-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/17 07:33 freebsd-src 31ac42b486eb 1804e95e console log report ci-freebsd-main panic: vm_object_unwire: missing page
2025/08/05 17:25 freebsd-src 057686379c8b 8e9d1dc1 console log report ci-freebsd-main panic: vm_object_unwire: missing page
2025/08/05 12:40 freebsd-src 057686379c8b 8e9d1dc1 console log report ci-freebsd-main panic: vm_object_unwire: missing page
2025/06/30 09:47 freebsd-src 171f66b0c2ca fc9d8ee5 console log report ci-freebsd-main panic: vm_object_unwire: missing page
2025/06/06 14:32 freebsd-src 6d46fd2cbea4 3d899f2c console log report ci-freebsd-main panic: vm_object_unwire: missing page
2025/05/22 20:09 freebsd-src 903d29469ecb 0919b50b console log report ci-freebsd-i386 panic: vm_object_unwire: missing page
* Struck through repros no longer work on HEAD.