syzbot


panic: freevnode: cannot lock vp ADDR for pollinfo destroy

Status: upstream: reported C repro on 2025/09/13 16:34
Reported-by: syzbot+6676b3ff282d590b0fb3@syzkaller.appspotmail.com
First crash: 4d03h, last: 3d15h

Sample crash report:
panic: freevnode: cannot lock vp 0xfffffe006e60aa50 for pollinfo destroy
cpuid = 1
time = 1757823870
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056a0d550
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056a0d6b0
vpanic() at vpanic+0x257/frame 0xfffffe0056a0d870
panic() at panic+0xb5/frame 0xfffffe0056a0d930
freevnode() at freevnode+0x8ff/frame 0xfffffe0056a0da50
vput_final() at vput_final+0x239/frame 0xfffffe0056a0dce0
inotify_reap() at inotify_reap+0x161/frame 0xfffffe0056a0dd30
taskqueue_run_locked() at taskqueue_run_locked+0x3ed/frame 0xfffffe0056a0dea0
taskqueue_thread_loop() at taskqueue_thread_loop+0x118/frame 0xfffffe0056a0def0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0056a0df30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056a0df30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 0 tid 100015 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x259eab7(%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         0xdffff7c000000000
rbx         0xffffffff82805b00  .str.27
rsp         0xfffffe0056a0d690
rbp         0xfffffe0056a0d6b0
rsi                          0
rdi         0xffffffff830004e8  panicstr
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0054101cd0
r12         0xfffffe0007812780
r13         0xfffffffffffffffd
r14         0xffffffff82805b00  .str.27
r15                          0
rip         0xffffffff8162c0de  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x259eab7(%rip)
db> show proc
Process 0 (kernel) at 0xffffffff83b55080:
 state: NORMAL
 uid: 0 gid: 0 supp gids: 0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83b55080 reapsubtree: 0
 sigparent: 0
 vmspace: 0xffffffff83b56060
   (map 0xffffffff83b56060)
   (map.pmap 0xffffffff83b56100)
   (pmap 0xffffffff83b56170)
 threads: 38
100000                   D       parked  0xffffffff84c48ff0  [swapper]
100005                   D       -       0xfffffe0053ea0100  [softirq_0]
100006                   D       -       0xfffffe0053ea0000  [softirq_1]
100007                   D       -       0xfffffe0053e9fe00  [if_io_tqg_0]
100008                   D       -       0xfffffe0053e9fd00  [if_io_tqg_1]
100009                   D       -       0xfffffe0053e9fc00  [if_config_tqg_0]
100010                   D       -       0xfffffe000776ab00  [kqueue_ctx taskq]
100011                   D       -       0xfffffe000776aa00  [jail_remove taskq]
100012                   D       -       0xfffffe000776a900  [bus taskq]
100015                   Run     CPU 1                       [thread taskq]
100017                   D       -       0xfffffe000776a400  [aiod_kick taskq]
100018                   D       -       0xfffffe000776a300  [deferred_unmount ta]
100019                   D       -       0xfffffe000776a200  [inm_free taskq]
100020                   D       -       0xfffffe000776a100  [in6m_free taskq]
100021                   D       -       0xfffffe000776a000  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0007769b00  [firmware taskq]
100040                   D       -       0xfffffe0007769a00  [crypto_0]
100041                   D       -       0xfffffe0007769a00  [crypto_1]
100056                   D       -       0xfffffe0057de6e00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0057de6d00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0057de6c00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0057de6b00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057de0380  [virtio_balloon]
100065                   D       -       0xffffffff8280a1e0  [deadlkres]
100069                   D       -       0xfffffe00593fd500  [acpi_task_0]
100070                   D       -       0xfffffe00593fd500  [acpi_task_1]
100071                   D       -       0xfffffe00593fd500  [acpi_task_2]
100073                   D       -       0xfffffe000776ac00  [mca taskq]
100074                   D       -       0xfffffe0007769800  [CAM taskq]
100076                   D       -       0xfffffe000776c600  [ipsec_offload]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
12661 12347 12347     0  DE      tq_drai 0xfffffe006e5e0578  syz-executor
12390 12378 12390     0  Ss      select  0xfffffe0057df81c0  dhclient
12384     1 12384     0  Ss      select  0xfffffe0057df7e40  dhclient
12378 12366   423    65  S       select  0xfffffe0057ddb940  dhclient
12366   423   423     0  S       wait    0xfffffe005400b008  sh
12347   776 12347     0  S       nanslp  0xffffffff83babc40  syz-executor
  776   775   773     0  S       select  0xfffffe0057df8640  syz-executor
  775   773   773     0  S       (threaded)                  syz-execprog
100097                   S       uwait   0xfffffe0057d01c80  syz-execprog
100114                   S       uwait   0xfffffe00584ebc00  syz-execprog
100115                   S       uwait   0xfffffe00584ea580  syz-execprog
100116                   S       uwait   0xfffffe00584ea680  syz-execprog
100117                   S       uwait   0xfffffe00584ea780  syz-execprog
100118                   S       uwait   0xfffffe006de15880  syz-execprog
100119                   S       kqread  0xfffffe000776c400  syz-execprog
  773   771   773     0  Ss      sigsusp 0xfffffe005400c618  csh
  771   681   771     0  Ss      select  0xfffffe0057df87c0  sshd
  747     1   747     0  Ss+     ttyin   0xfffffe0058279cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005862f0b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe005862f4b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe005862f8b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe005862fcb0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00586300b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00586304b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00586308b0  getty
  739     1   739     0  Ss+     ttyin   0xfffffe0058630cb0  getty
  685     1   685     0  Ss      nanslp  0xffffffff83babc41  cron
  681     1   681     0  Ss      select  0xfffffe00586137c0  sshd
  494     1   494     0  Ss      select  0xfffffe0057ddbf40  syslogd
  423     1   423     0  Ss      wait    0xfffffe00540c5ab0  devd
  422     1   422    65  Ss      select  0xfffffe0057de0040  dhclient
  337     1   337     0  Ss      select  0xfffffe0057ddbc40  dhclient
  334     1   334     0  Ss      select  0xfffffe0057ddbec0  dhclient
   16     0     0     0  DL      syncer  0xffffffff83cc9820  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe0054005018  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cc7d60  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100095                   D       sdflush 0xfffffe005862dce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d12cc0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83cf8d88  [dom0]
100080                   D       launds  0xffffffff83cf8d94  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e11f10  [uma]
    7     0     0     0  DL      -       0xffffffff839245d8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84453f20  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff848e4700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838ee340  [doneq0]
100046                   D       -       0xffffffff838ee2c0  [async]
100075                   D       -       0xffffffff838ee140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83cf4660  [crypto]
100043                   D       crypto_ 0xfffffe0053ee4d30  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0053ee4d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b54640  [g_event]
100038                   D       -       0xffffffff83b54660  [g_up]
100039                   D       -       0xffffffff83b54680  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100031                   I                                   [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                   Run     CPU 0                       [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007809010  [init]
   10     0     0     0  DL      audit_w 0xffffffff83cf5100  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c48ff0  [swapper]
100005                   D       -       0xfffffe0053ea0100  [softirq_0]
100006                   D       -       0xfffffe0053ea0000  [softirq_1]
100007                   D       -       0xfffffe0053e9fe00  [if_io_tqg_0]
100008                   D       -       0xfffffe0053e9fd00  [if_io_tqg_1]
100009                   D       -       0xfffffe0053e9fc00  [if_config_tqg_0]
100010                   D       -       0xfffffe000776ab00  [kqueue_ctx taskq]
100011                   D       -       0xfffffe000776aa00  [jail_remove taskq]
100012                   D       -       0xfffffe000776a900  [bus taskq]
100015                   Run     CPU 1                       [thread taskq]
100017                   D       -       0xfffffe000776a400  [aiod_kick taskq]
100018                   D       -       0xfffffe000776a300  [deferred_unmount ta]
100019                   D       -       0xfffffe000776a200  [inm_free taskq]
100020                   D       -       0xfffffe000776a100  [in6m_free taskq]
100021                   D       -       0xfffffe000776a000  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007769e00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007769d00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0007769b00  [firmware taskq]
100040                   D       -       0xfffffe0007769a00  [crypto_0]
100041                   D       -       0xfffffe0007769a00  [crypto_1]
100056                   D       -       0xfffffe0057de6e00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0057de6d00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0057de6c00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0057de6b00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0057de0380  [virtio_balloon]
100065                   D       -       0xffffffff8280a1e0  [deadlkres]
100069                   D       -       0xfffffe00593fd500  [acpi_task_0]
100070                   D       -       0xfffffe00593fd500  [acpi_task_1]
100071                   D       -       0xfffffe00593fd500  [acpi_task_2]
100073                   D       -       0xfffffe000776ac00  [mca taskq]
100074                   D       -       0xfffffe0007769800  [CAM taskq]
100076                   D       -       0xfffffe000776c600  [ipsec_offload]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          377         5124K          487
          tcp_hpts            7         4801K            7
            devbuf         4187         4324K         4215
         sysctloid        35125         2069K        35200
             vtbuf           24         1968K           46
              kobj          331         1324K          495
            newblk           11         1027K        13059
          vfscache            3         1025K            3
               pcb           24          669K          142
          inodedep          321          632K        11258
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          100          200K          100
           subproc          110          198K        12729
            acpica         1674          184K        54444
              vmem            5          144K            7
           tidhash            3          141K            3
           pagedep           14          132K        11161
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          171
        gtaskqueue           18           98K           18
               bus         1000           82K         5086
               LRO           78           79K          116
            dirrem          306           77K        11129
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          523           66K          523
       ddb_capture            1           64K            1
          freefile          307           39K        11125
           kdtrace          182           38K        12815
          filedesc            5           37K        22501
              umtx          288           36K          288
               BPF           19           36K          174
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          122           31K        11234
               msg            4           30K            4
            kbdmux            6           28K            6
          routetbl          385           21K         2050
              temp           19           21K         4723
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           90           15K           90
            bus-sc           34           15K         1657
      eventhandler          163           14K          163
            ifaddr           40           14K          230
              kenv           95           12K           95
              GEOM           49           11K          431
         CAM queue            5           11K         1528
              rman           82           10K          437
               rpc            8            9K            8
              cred           23            9K          420
         bmsafemap            2            9K        11206
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          306
         taskqueue           69            8K           69
            plimit           19            8K          858
             ifnet            4            7K           23
            sglist            6            7K            6
           CAM DEV            3            6K          510
           lltable           19            6K          171
            kqueue           47            6K        23755
         pfs_nodes           22            6K           22
       ether_multi           68            6K          610
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
         in6_multi           35            5K          225
                vt           11            5K           11
          pf_ifnet            9            4K          124
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
          terminal           11            3K           11
         proc-args           69            3K        15280
           session           21            3K          107
           pwddesc           42            3K        12662
           acpidev           20            3K           20
             hhook            8            3K           10
             clone            9            3K            9
             selfd           36            3K       142618
           uidinfo            3            3K           12
           netlink            2            3K          548
             lockf           20            3K          155
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            Unitno           28            2K        22324
           CAM XPT           22            2K          543
         toponodes            6            2K            6
             mkdir           11            2K        22296
            diradd           11            2K        11198
       ipsecpolicy            2            2K            2
            select           11            2K          132
               msi            9            2K            9
           softdep            1            1K            1
         newdirblk            8            1K        11148
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           46
      NFSD session            1            1K            1
            ip6ndp            6            1K           47
          sctp_ifa            7            1K           46
        CAM periph            4            1K          271
             ipsec            3            1K            3
            CC Mem            6            1K           13
          in_multi            3            1K           24
             nhops            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
               osd           11            1K           30
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
       inpcbpolicy           14            1K          512
            DEVFSP            7            1K           88
      counter_rate           13            1K           13
          sctp_ifn            3            1K           46
               mld            3            1K           22
              igmp            3            1K           22
               tun            1            1K           20
    chacha20random            1            1K            1
           inotify            4            1K        44332
            biobuf            1            1K            1
          freework            2            1K        11125
          freeblks            1            1K        11124
            vnodes            1            1K            1
          procdesc            2            1K           50
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K        11093
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
           VN POLL            1            1K        11083
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         4573
          sctp_vrf            1            1K            1
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           92
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K          214
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K           70
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K           70
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
            mqdata            0            0K            0
      tcp_pcm_rack            0            0K            0
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            0            0K            0
           filemon            0            0K            0
          pf_table            0            0K            0
                pf            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            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
      amdiommu_ctx            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
        aesni_data            0            0K            0
            xenbus            0            0K            0
     vm_fictitious            0            0K            0
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
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              jseg            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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        MLX5EEPROM            0            0K            0
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        MLX5EEPROM            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       24686       0     254   38494208        0
           tcp_log    416   10519     155       18675       0     254    4440384        0
              mbuf    256    8586    1077       99274       0     254    2473728        0
          BUF TRIE    152     299   11505        1331       0      62    1794208        0
        malloc-384    384    4136      34        4166       0      30    1601280        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11542      52       11577       0     126    1484032        0
       malloc-4096   4096     334       2         577       0       2    1376256        0
       UMA Slabs 0    112   11071      11       11071       0     126    1241184        0
         vmem btag     56   17513      94       17513       0     254     985992        0
      malloc-65536  65536      13       0          16       0       1     851968        0
        RADIX NODE    152    4572     415      329891       0      63     758024        0
         FFS inode   1168     568      27       11693       0       8     694960        0
            socket   1024      27     481       13198       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        malloc-256    256      51    1944       24694       0      62     510720        0
        malloc-384    384     346     974       12265       0      30     506880        0
        malloc-256    256     447     993       35478       0      62     368640        0
        malloc-256    256     146    1294       22491       0      62     368640        0
        256 Bucket   2048     132      20        1233       0       8     311296        0
             VNODE    440     604      89       22832       0      30     304920        0
         VM OBJECT    248    1037     147      138090       0      62     293632        0
            THREAD   1860     138       6         152       0       8     267840        0
         malloc-64     64    3855     240        3878       0     254     262080        0
       malloc-4096   4096      53       7       12740       0       2     245760        0
       malloc-2048   2048     107      13         348       0       8     245760        0
         malloc-16     16   14471     279       14599       0     254     236000        0
            DEVCTL   1024      33     187         409       0       0     225280        0
       mbuf_packet    256       2     760       23852       0     254     195072        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5321     349        5365       0     254     181440        0
        malloc-128    128     313    1082       11157       0     126     178560        0
        malloc-128    128    1217     178       25829       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320      11     505       12575       0     254     165120        0
       FFS2 dinode    256     568      62       11693       0      62     161280        0
       S VFS Cache    104    1059     462       12217       0     126     158184        0
         MAP ENTRY     96    1015     371      287767       0     126     133056        0
      malloc-65536  65536       0       2         312       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           9       0       1     131072        0
       malloc-1024   1024     114      14         349       0      16     131072        0
     FPU_save_area    832     140       4       13829       0      16     119808        0
        128 Bucket   1024      66      49        1351       0      16     117760        0
          ksiginfo    112      56     988        2666       0     126     116928        0
        malloc-128    128     621     278       24374       0     126     115072        0
       malloc-2048   2048      41      15         260       0       8     114688        0
       malloc-2048   2048       6      50        1038       0       8     114688        0
         64 Bucket    512     136      88        8366       0      30     114688        0
        malloc-128    128     653     122       26427       0     126      99200        0
      malloc-32768  32768       3       0           3       0       1      98304        0
      malloc-32768  32768       2       1          13       0       1      98304        0
      malloc-16384  16384       2       4       11250       0       1      98304        0
              PROC   1368      42      24       12661       0       8      90288        0
       malloc-8192   8192       9       2          92       0       1      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
             g_bio    408       0     210        7592       0      30      85680        0
         malloc-64     64     753     570       14425       0     254      84672        0
      malloc-16384  16384       5       0           6       0       1      81920        0
         filedesc0   1072      43      27       12662       0       8      75040        0
       malloc-4096   4096      14       4         248       0       2      73728        0
         malloc-64     64     566     505      144305       0     254      68544        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       8       0           9       0       1      65536        0
       malloc-4096   4096      12       4         495       0       2      65536        0
       malloc-1024   1024      26      38         559       0      16      65536        0
        malloc-256    256     183      72         493       0      62      65280        0
         32 Bucket    256     102     153        1904       0      62      65280        0
        malloc-128    128      27     376       11447       0     126      51584        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48      123014       0      16      49152        0
      malloc-16384  16384       1       2         191       0       1      49152        0
       malloc-2048   2048      10      14          29       0       8      49152        0
        malloc-384    384      63      57         140       0      30      46080        0
            da_ccb    544       0      84        2129       0      16      45696        0
          syncache    168       0     264           6       0     254      44352        0
            pcpu-8      8    4475     645        8208       0     254      40960        0
           VMSPACE    584      27      43       12647       0      16      40880        0
              pipe    736      10      45         647       0      16      40480        0
         udp_inpcb    408       6      84         471       0      30      36720        0
         malloc-64     64      20     547       25677       0     254      36288        0
         malloc-64     64      30     537         142       0     254      36288        0
         malloc-64     64     190     377       24048       0     254      36288        0
         malloc-64     64      51     516       13039       0     254      36288        0
        malloc-128    128      18     261         357       0     126      35712        0
        malloc-128    128     120     159        1215       0     126      35712        0
     routing nhops    256      15     120         115       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      25      65         765       0      30      34560        0
        malloc-384    384      73      17          73       0      30      34560        0
        malloc-256    256      29     106        1033       0      62      34560        0
        malloc-256    256       3     132       22249       0      62      34560        0
        malloc-256    256      20     115       11460       0      62      34560        0
        malloc-256    256      16     119         403       0      62      34560        0
       malloc-4096   4096       3       5         343       0       2      32768        0
       malloc-2048   2048       3      13         288       0       8      32768        0
       malloc-2048   2048       5      11          24       0       8      32768        0
       malloc-1024   1024       3      29          43       0      16      32768        0
       malloc-1024   1024      17      15        2369       0      16      32768        0
       malloc-1024   1024       3      29          26       0      16      32768        0
        malloc-512    512       2      62           2       0      30      32768        0
        malloc-512    512      13      51          18       0      30      32768        0
        malloc-512    512       0      64         122       0      30      32768        0
        malloc-512    512       2      62          49       0      30      32768        0
        malloc-512    512       9      55          97       0      30      32768        0
        malloc-512    512       2      62          46       0      30      32768        0
        malloc-512    512       5      59          40       0      30      32768        0
           pcpu-64     64     501      11         501       0     254      32768        0
    ertt_txseginfo     40       0     808       22861       0     254      32320        0
               PWD     40      12     796       11252       0     254      32320        0
            ttyinq    160     135      65         300       0      62      32000        0
          8 Bucket     80      49     351        1965       0     126      32000        0
              PGRP    120      22     242         140       0     126      31680        0
            clpbuf   2624       0      12          73       0       4      31488        0
         tcp_inpcb   1304       6      18          13       0       8      31296        0
        sctp_laddr     48       0     588          82       0     254      28224        0
         malloc-32     32       6     876       33609       0     254      28224        0
         malloc-32     32     139     743        1419       0     254      28224        0
         malloc-32     32     352     530       15357       0     254      28224        0
         16 Bucket    144      50     146         469       0      62      28224        0
          4 Bucket     48       6     582          11       0     254      28224        0
         TURNSTILE    136     145      44         145       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
           rtentry    168      18     126         115       0      62      24192        0
             Files     80     101     199       69289       0     126      24000        0
        malloc-384    384       1      59           2       0      30      23040        0
        malloc-384    384      12      48          12       0      30      23040        0
             ripcb    376       2      58          28       0      30      22560        0
        SLEEPQUEUE     88     145     111         145       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
              ertt     72       6     274          13       0     126      20160        0
         malloc-64     64       3     312           3       0     254      20160        0
         malloc-32     32      52     578         885       0     254      20160        0
         malloc-32     32      44     586       22347       0     254      20160        0
         malloc-32     32     390     240         441       0     254      20160        0
         malloc-32     32      16     614          26       0     254      20160        0
          2 Bucket     32      51     579        2636       0     254      20160        0
             KNOTE    160       6     119       26671       0      62      20000        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-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       0       4           4       0       2      16384        0
       malloc-2048   2048       0       8          12       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       0      16           2       0      16      16384        0
       malloc-1024   1024       2      14           6       0      16      16384        0
       malloc-1024   1024       2      14           2       0      16      16384        0
        malloc-512    512       0      32         110       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
         malloc-16     16      32     968       14156       0     254      16000        0
         malloc-16     16     503     497        4620       0     254      16000        0
              kenv    258      17      43        1125       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
         malloc-16     16      11     739          52       0     254      12000        0
         malloc-16     16      26     724       11291       0     254      12000        0
         malloc-16     16      45     705       36106       0     254      12000        0
         malloc-16     16      46     704          67       0     254      12000        0
         malloc-16     16       7     743           9       0     254      12000        0
        malloc-384    384       1      29           2       0      30      11520        0
       Mountpoints   2816       2       2           2       0       4      11264        0
       malloc-8192   8192       0       1          26       0       1       8192        0
       malloc-8192   8192       0       1          19       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           4       0       2       8192        0
      vtnet_tx_hdr     24       0     334        6092       0     254       8016        0
           pcpu-16     16       4     252           4       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    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 tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
      tcp_rack_pcb   1088       0       0           0       0       8          0        0
      tcp_rack_map    128       0       0           0       0     126          0        0
       tcp_bbr_pcb    896       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          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_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2256       0       0           0       0     254          0        0
           sctp_ep   1152       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
     udplite_inpcb    408       0       0           0       0      30          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
               AIO    208       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        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
       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    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
         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      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
          rl_entry     48       0       0           0       0     254          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
           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 (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/14 04:24 freebsd-src 8a4e4c95244b e2beed91 console log report syz / log C ci-freebsd-main panic: freevnode: cannot lock vp ADDR for pollinfo destroy
2025/09/13 21:25 freebsd-src 8a4e4c95244b e2beed91 console log report syz / log C ci-freebsd-main panic: freevnode: cannot lock vp ADDR for pollinfo destroy
2025/09/13 16:34 freebsd-src d4282cfa97d6 e2beed91 console log report ci-freebsd-main panic: freevnode: cannot lock vp ADDR for pollinfo destroy
* Struck through repros no longer work on HEAD.