syzbot


panic: in6_pcbconnect: inp is already connected

Status: fixed on 2025/07/07 20:52
Reported-by: syzbot+4de353ba85dac4dcb1ab@syzkaller.appspotmail.com
Fix commit: 96f544bcc1cb tcp: don't allow to connect a TCP/IPv6 endpoint in TIME WAIT state
First crash: 21d, last: 15d

Sample crash report:
panic: in6_pcbconnect: inp is already connected
cpuid = 1
time = 5
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe005713e4b0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe005713e610
vpanic() at vpanic+0x257/frame 0xfffffe005713e7d0
panic() at panic+0xb5/frame 0xfffffe005713e890
in6_pcbconnect() at in6_pcbconnect+0xc7b/frame 0xfffffe005713ea00
tcp6_connect() at tcp6_connect+0x157/frame 0xfffffe005713ea50
tcp6_usr_connect() at tcp6_usr_connect+0x3f5/frame 0xfffffe005713eb90
soconnectat() at soconnectat+0x1c0/frame 0xfffffe005713ebf0
kern_connectat() at kern_connectat+0x300/frame 0xfffffe005713ecd0
sys_connect() at sys_connect+0xf5/frame 0xfffffe005713ed10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe005713ef30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe005713ef30
--- syscall (198, FreeBSD ELF64, __syscall), rip = 0x3a1afa, rsp = 0x822b43f08, rbp = 0x822b43f80 ---
KDB: enter: panic
[ thread pid 1171 tid 100756 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25bf457(%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         0xffffffff827bdb40  .str.27
rsp         0xfffffe005713e5f0
rbp         0xfffffe005713e610
rsi                          0
rdi         0xffffffff816111b9  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe005418ccd0
r12         0xfffffe005418c780
r13         0xfffffffffffffffd
r14         0xffffffff827bdb40  .str.27
r15                          0
rip         0xffffffff815fad3e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x25bf457(%rip)
db> show proc
Process 1171 (syz-executor) at 0xfffffe005419db00:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 765 at 0xfffffe00540a4000
 ABI: FreeBSD ELF64
 flag: 0x10100080  flag2: 0x1
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007809040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00541a06d8
   (map 0xfffffe00541a06d8)
   (map.pmap 0xfffffe00541a0778)
   (pmap 0xfffffe00541a07e8)
 threads: 3
100744                   RunQ                                syz-executor
100756                   Run     CPU 1                       syz-executor
100757                   S       uwait   0xfffffe0077870580  syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1172  1038  1038     0  R       CPU 0                       syz-executor
 1171   765   765     0  R       (threaded)                  syz-executor
100744                   RunQ                                syz-executor
100756                   Run     CPU 1                       syz-executor
100757                   S       uwait   0xfffffe0077870580  syz-executor
 1170   763   763     0  R       (threaded)                  syz-executor
100715                   RunQ                                syz-executor
100755                   S       fifoor  0xfffffe000773c628  syz-executor
 1168     1  1038     0  T                                   syz-executor
 1166     1   765     0  S       uwait   0xfffffe0077872700  syz-executor
 1162   766   766     0  S       (threaded)                  syz-executor
100738                   S       nanslp  0xffffffff83b9b341  syz-executor
100739                   S       connec  0xfffffe006b6fb8da  syz-executor
100743                   S       uwait   0xfffffe0077872a00  syz-executor
 1160     1  1038     0  S       uwait   0xfffffe0078944180  syz-executor
 1159     1   766     0  S       uwait   0xfffffe0058276680  syz-executor
 1153     1   763     0  T                                   syz-executor
 1149     1   763 60928  S       uwait   0xfffffe0077870e80  syz-executor
 1141     1  1038     0  S       uwait   0xfffffe0077872600  syz-executor
 1140     1  1038     0  S       uwait   0xfffffe0077872d00  syz-executor
 1138     1   765     0  S       uwait   0xfffffe0078945300  syz-executor
 1136     1   763     0  S       uwait   0xfffffe0078944080  syz-executor
 1132     1   765     0  S       uwait   0xfffffe0078945200  syz-executor
 1127     1   766 60929  S       uwait   0xfffffe0058276480  syz-executor
 1102     1   766 60928  S       uwait   0xfffffe0077870d80  syz-executor
 1099     1  1038     0  S       uwait   0xfffffe0058275980  syz-executor
 1098     1  1038     0  S       uwait   0xfffffe0058276d80  syz-executor
 1095     1  1038     0  S       uwait   0xfffffe00584f9080  syz-executor
 1094     1  1038     0  S       uwait   0xfffffe00077e9100  syz-executor
 1088     1   763     0  S       uwait   0xfffffe0077872e00  syz-executor
 1065     1   766     0  SV      lockf   0xfffffe00596a0780  syz-executor
 1064     1   766     0  SV      lockf   0xfffffe00596a0700  syz-executor
 1060     1  1060     0  Ss+     ttyin   0xfffffe00586314b0  getty
 1059     1  1059     0  Ss+     ttyin   0xfffffe00586310b0  getty
 1058     1  1058     0  Ss+     ttyin   0xfffffe0058630cb0  getty
 1057     1  1057     0  Ss+     ttyin   0xfffffe00586308b0  getty
 1056     1  1056     0  Ss+     ttyin   0xfffffe00586304b0  getty
 1055     1  1055     0  Ss+     ttyin   0xfffffe00586300b0  getty
 1054     1  1054     0  Ss+     ttyin   0xfffffe005862f8b0  getty
 1053     1  1053     0  Ss+     ttyin   0xfffffe005862fcb0  getty
 1052     1  1052     0  Ss+     ttyin   0xfffffe0007a7f0b0  getty
 1050     0     0     0  DL      mdwait  0xfffffe006dde0000  [md2]
 1048     0     0     0  DL      mdwait  0xfffffe006e49a000  [md1]
 1038   762  1038     0  S       nanslp  0xffffffff83b9b341  syz-executor
 1031  1030   763     0  S       uwait   0xfffffe0078945f00  syz-executor
 1030     1   763     0  SV      uwait   0xfffffe0058275400  syz-executor
 1029     1   763     0  S       uwait   0xfffffe00077e9600  syz-executor
 1027     1   765     0  S       uwait   0xfffffe0078945700  syz-executor
 1024     1   765 60928  S       uwait   0xfffffe0077871e80  syz-executor
 1022     1   766     0  S       uwait   0xfffffe0058274280  syz-executor
 1021     1   763     0  S       uwait   0xfffffe00584f9580  syz-executor
 1010     1   765     0  S       uwait   0xfffffe0077872200  syz-executor
 1006     1   765     0  S       uwait   0xfffffe0077872100  syz-executor
 1000     1   998     0  S       uwait   0xfffffe00077e9f00  syz-executor
  999     1   998     0  S       uwait   0xfffffe00077e9400  syz-executor
  992     0     0     0  DL      mdwait  0xfffffe006e49b000  [md0]
  989     1   763     0  S       uwait   0xfffffe0058275300  syz-executor
  987     0     0     0  DL      (threaded)                  [so_splice]
100356                   D       -       0xfffffe0077871b80  [thr_0]
100357                   D       -       0xfffffe0077871bc0  [thr_1]
  984     1   766     0  S       uwait   0xfffffe0058274380  syz-executor
  983     1   764     0  S       uwait   0xfffffe00077e9a00  syz-executor
  981     1   765     0  S       uwait   0xfffffe0058275200  syz-executor
  978     1   764     0  S       uwait   0xfffffe0058274780  syz-executor
  967     1   764     0  S       uwait   0xfffffe0077871c80  syz-executor
  963     1   766     0  S       uwait   0xfffffe0058275500  syz-executor
  956     1   955     0  S       uwait   0xfffffe00077e9b00  syz-executor
  954     1   766     0  S       uwait   0xfffffe0058275f00  syz-executor
  950     1   765     0  SV      uwait   0xfffffe0058275780  syz-executor
  948     1   764     0  SV      uwait   0xfffffe0058274080  syz-executor
  943     1   764     0  S       uwait   0xfffffe00077e9300  syz-executor
  941     1   763     0  S       uwait   0xfffffe0058274680  syz-executor
  935     1   763     0  S       uwait   0xfffffe0058276780  syz-executor
  925     1   765     0  S       uwait   0xfffffe0058275a80  syz-executor
  921     0     0     0  DL      (threaded)                  [KTLS]
100123                   D       -       0xfffffe0058500700  [thr_0]
100231                   D       -       0xfffffe0058500780  [thr_1]
100232                   D       -       0xffffffff83cacc28  [reclaim_0]
  916     1   765     0  S       uwait   0xfffffe00077e9e00  syz-executor
  902     1   764     0  S       uwait   0xfffffe00077e9900  syz-executor
  897     1   765     0  S       uwait   0xfffffe00077e9500  syz-executor
  889     1   766     0  S       uwait   0xfffffe00077e9800  syz-executor
  878     1   763     0  S       uwait   0xfffffe0058275100  syz-executor
  875     1   763     0  S       uwait   0xfffffe00584f9b80  syz-executor
  873     1   763     0  S       uwait   0xfffffe00584f9380  syz-executor
  862     1   766     0  S       uwait   0xfffffe00584f9a80  syz-executor
  841     1   764     0  S       uwait   0xfffffe00584f9c80  syz-executor
  837     1   765     0  S       uwait   0xfffffe00584f9180  syz-executor
  836     1   763     0  S       uwait   0xfffffe0058275600  syz-executor
  826     1   765     0  S       uwait   0xfffffe00584f9280  syz-executor
  820   806   820     0  Ss      select  0xfffffe00593fd740  dhclient
  806   785   423    65  S       select  0xfffffe00593fd940  dhclient
  803     0     0     0  DL      aiordy  0xfffffe0054112040  [aiod4]
  801     0     0     0  DL      aiordy  0xfffffe00541125a0  [aiod3]
  800     0     0     0  DL      aiordy  0xfffffe0054112b00  [aiod2]
  799     0     0     0  DL      aiordy  0xfffffe0054110000  [aiod1]
  785     1   423     0  S       wait    0xfffffe00540a75c0  sh
  766   762   766     0  S       nanslp  0xffffffff83b9b341  syz-executor
  765   762   765     0  S       nanslp  0xffffffff83b9b340  syz-executor
  763   762   763     0  S       nanslp  0xffffffff83b9b341  syz-executor
  762   760   760     0  S       select  0xfffffe000778f140  syz-executor
  760   758   760     0  Ss      sigsusp 0xfffffe00540fc0b0  csh
  758   681   758     0  Ss      select  0xfffffe000778eec0  sshd
  736     1    17     0  S+      nanslp  0xffffffff83b9b340  sleep
  681     1   681     0  Ss      select  0xfffffe000778f1c0  sshd
   16     0     0     0  DL      syncer  0xffffffff83cb8e20  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a060  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83cb7360  [bufdaemon]
100082                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe00077628e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d02280  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83ce8348  [dom0]
100080                   D       launds  0xffffffff83ce8354  [laundry: dom0]
100081                   D       umarcl  0xffffffff81ddca70  [uma]
    7     0     0     0  DL      -       0xffffffff83918cd0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff847b4980  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff84517700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff838e3340  [doneq0]
100046                   D       -       0xffffffff838e32c0  [async]
100075                   D       -       0xffffffff838e3140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83ce3c00  [crypto]
100043                   D       crypto_ 0xfffffe0057d73030  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0057d73080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b43d00  [g_event]
100038                   D       -       0xffffffff83b43d20  [g_up]
100039                   D       -       0xffffffff83b43d40  [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                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007809040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ce46a0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c35ff0  [swapper]
100005                   D       -       0xfffffe0007a8de00  [softirq_0]
100006                   D       -       0xfffffe0007a8dd00  [softirq_1]
100007                   D       -       0xfffffe0007a8dc00  [if_io_tqg_0]
100008                   D       -       0xfffffe0007a8db00  [if_io_tqg_1]
100009                   D       -       0xfffffe0007a8da00  [if_config_tqg_0]
100010                   D       -       0xfffffe0007776700  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0007776500  [jail_remove taskq]
100012                   D       -       0xfffffe0007776300  [bus taskq]
100015                   D       -       0xfffffe0007775c00  [thread taskq]
100017                   D       -       0xfffffe0007775800  [aiod_kick taskq]
100018                   D       -       0xfffffe0007775600  [deferred_unmount ta]
100019                   D       -       0xfffffe0007775400  [inm_free taskq]
100020                   D       -       0xfffffe0007775200  [in6m_free taskq]
100021                   D       -       0xfffffe0007775000  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007774d00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007774d00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007774d00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007774d00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007774800  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007774800  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007774800  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007774800  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053eef100  [firmware taskq]
100040                   D       -       0xfffffe0053eeeb00  [crypto_0]
100041                   D       -       0xfffffe0053eeeb00  [crypto_1]
100056                   D       -       0xfffffe0053eede00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0053eedd00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0053eedc00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0053eedb00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0007790680  [virtio_balloon]
100065                   D       -       0xffffffff827c2f20  [deadlkres]
100069                   D       -       0xfffffe0058500100  [acpi_task_0]
100070                   D       -       0xfffffe0058500100  [acpi_task_1]
100071                   D       -       0xfffffe0058500100  [acpi_task_2]
100073                   D       -       0xfffffe0007777a00  [mca taskq]
100074                   D       -       0xfffffe0053eee600  [CAM taskq]
100076                   D       -       0xfffffe0053eec700  [ipsec_offload]
100161                   D       -       0xfffffe00596d4300  [netlink_socket (PID]
100162                   D       -       0xfffffe0007778b00  [netlink_socket (PID]
100385                   D       -       0xfffffe0053eec500  [system_taskq_0]
100386                   D       -       0xfffffe0053eec500  [system_taskq_1]
100387                   D       -       0xfffffe00584feb00  [system_delay_taskq_]
100388                   D       -       0xfffffe00584feb00  [system_delay_taskq_]
100389                   D       -       0xfffffe00584fe800  [zvol_tq-0_0]
100390                   D       -       0xfffffe00584fe800  [zvol_tq-0_1]
100391                   D       -       0xfffffe00584fe800  [zvol_tq-0_2]
100392                   D       -       0xfffffe00584fe800  [zvol_tq-0_3]
100393                   D       -       0xfffffe00584fe800  [zvol_tq-0_4]
100394                   D       -       0xfffffe00584fe800  [zvol_tq-0_5]
100395                   D       -       0xfffffe00584fe800  [zvol_tq-0_6]
100396                   D       -       0xfffffe00584fe800  [zvol_tq-0_7]
100397                   D       -       0xfffffe00584fe800  [zvol_tq-0_8]
100398                   D       -       0xfffffe00584fe800  [zvol_tq-0_9]
100399                   D       -       0xfffffe00584fe800  [zvol_tq-0_10]
100400                   D       -       0xfffffe00584fe800  [zvol_tq-0_11]
100401                   D       -       0xfffffe00584fe800  [zvol_tq-0_12]
100402                   D       -       0xfffffe00584fe800  [zvol_tq-0_13]
100403                   D       -       0xfffffe00584fe800  [zvol_tq-0_14]
100404                   D       -       0xfffffe00584fe800  [zvol_tq-0_15]
100405                   D       -       0xfffffe00584fe800  [zvol_tq-0_16]
100406                   D       -       0xfffffe00584fe800  [zvol_tq-0_17]
100407                   D       -       0xfffffe00584fe800  [zvol_tq-0_18]
100408                   D       -       0xfffffe00584fe800  [zvol_tq-0_19]
100409                   D       -       0xfffffe00584fe800  [zvol_tq-0_20]
100410                   D       -       0xfffffe00584fe800  [zvol_tq-0_21]
100411                   D       -       0xfffffe00584fe800  [zvol_tq-0_22]
100412                   D       -       0xfffffe00584fe800  [zvol_tq-0_23]
100413                   D       -       0xfffffe00584fe800  [zvol_tq-0_24]
100414                   D       -       0xfffffe00584fe800  [zvol_tq-0_25]
100415                   D       -       0xfffffe00584fe800  [zvol_tq-0_26]
100416                   D       -       0xfffffe00584fe800  [zvol_tq-0_27]
100417                   D       -       0xfffffe00584fe800  [zvol_tq-0_28]
100418                   D       -       0xfffffe00584fe800  [zvol_tq-0_29]
100419                   D       -       0xfffffe00584fe800  [zvol_tq-0_30]
100420                   D       -       0xfffffe00584fe800  [zvol_tq-0_31]
100422                   D       -       0xfffffe00789cb000  [arc_prune]
100423                   D       -       0xfffffe00789cad00  [arc_flush_0]
100424                   D       -       0xfffffe00789cad00  [arc_flush_1]
100449                   D       -       0xfffffe00789ca200  [dbu_evict]
100481                   D       -       0xfffffe00789ca300  [z_vdev_file_0]
100482                   D       -       0xfffffe00789ca300  [z_vdev_file_1]
100483                   D       -       0xfffffe00789ca300  [z_vdev_file_2]
100484                   D       -       0xfffffe00789ca300  [z_vdev_file_3]
100485                   D       -       0xfffffe00789ca300  [z_vdev_file_4]
100486                   D       -       0xfffffe00789ca300  [z_vdev_file_5]
100487                   D       -       0xfffffe00789ca300  [z_vdev_file_6]
100488                   D       -       0xfffffe00789ca300  [z_vdev_file_7]
100489                   D       -       0xfffffe00789ca300  [z_vdev_file_8]
100490                   D       -       0xfffffe00789ca300  [z_vdev_file_9]
100491                   D       -       0xfffffe00789ca300  [z_vdev_file_10]
100492                   D       -       0xfffffe00789ca300  [z_vdev_file_11]
100493                   D       -       0xfffffe00789ca300  [z_vdev_file_12]
100494                   D       -       0xfffffe00789ca300  [z_vdev_file_13]
100495                   D       -       0xfffffe00789ca300  [z_vdev_file_14]
100496                   D       -       0xfffffe00789ca300  [z_vdev_file_15]
100522                   D       -       0xfffffe0007778e00  [zfsvfs]
db> show all locks
Process 1172 (syz-executor) thread 0xfffffe0054192000 (100708)
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe00541a0bc8) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4998
Process 1171 (syz-executor) thread 0xfffffe005418c780 (100756)
exclusive sleep mutex tcphash (tcphash) r = 0 (0xfffffe0007a49a10) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:1528
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe007c030020) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:567
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          401        12286K          703
          tcp_hpts            7         4801K            7
            devbuf         4187         4323K         4216
           solaris         2246         3597K         4472
         sysctloid        44910         2638K        45022
         sctp_stro            2         2309K            8
             vtbuf           24         1968K           46
              kobj          330         1320K          523
            newblk           47         1036K         3148
          filedesc          129         1030K          642
          vfscache            3         1025K            3
               pcb           66          708K          291
          inodedep           31          524K          673
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
           subproc          232          482K         1296
              intr            4          472K            4
              vmem            5          274K            8
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K        25173
            acpica         1674          184K        54432
           tidhash            3          141K            3
           pagedep           20          133K          312
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          111          111K          130
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus         1002           82K         5074
          mtx_pool            3           74K            3
           kdtrace          358           70K         1935
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
        md_sectors           17           68K           17
              umtx          528           66K          528
            module          525           66K          530
       ddb_capture            1           64K            1
               shm            2           34K            9
            DEVFS3          130           33K          140
         hostcache            1           32K            1
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           40           27K         2244
           filemon            3           24K           41
               LRO           22           23K           22
            ifaddr           76           21K           78
        DEVFS_RULE           56           20K           56
          routetbl          165           20K          499
        kstat_data           19           19K           19
               BPF           16           19K          102
           lltable           54           17K           57
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
       ether_multi          200           16K          250
           ithread           90           15K           90
            bus-sc           34           15K         1650
             ifnet            8           15K            8
      eventhandler          166           14K          166
              GEOM           82           14K          574
            kqueue          122           13K         1748
           md_disk           20           13K           20
              kenv           95           12K           95
         taskqueue           99           11K          141
         in6_multi           76           11K           81
         CAM queue            5           11K         1528
              rman           82           10K          447
             shmfd            4           10K            9
               rpc            8            9K            8
            plimit           23            9K          500
              cred           34            9K          260
         bmsafemap            2            9K          557
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          303
            CC Mem           59            8K          191
         sctp_atcl           19            8K           93
           pwddesc          109            7K         1202
               UMA          340            7K          340
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
          pf_ifnet           12            5K           56
       ufs_dirhash           24            5K           33
            DEVFSP           67            5K          228
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
             lockf           36            4K          300
         proc-args          123            3K         2288
          kcovinfo           45            3K           45
          terminal           11            3K           11
               osd          121            3K          271
          in_multi           10            3K           15
           uidinfo            5            3K           27
           acpidev           20            3K           20
       inpcbpolicy           79            3K          519
             hhook            8            3K           10
             clone            9            3K            9
            ip6ndp           14            3K           15
           session           17            3K           48
           pf_rule            1            2K           34
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           32            2K       182340
          sctp_ifa           15            2K           16
               tun            5            2K            5
         newdirblk           14            2K          275
            Unitno           28            2K           60
            crypto            5            2K           35
           CAM XPT           22            2K          543
            dirrem            6            2K          490
       vnodemarker            3            2K           53
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
         sctp_timw            5            2K            5
               msi            9            2K            9
           netlink            2            2K          105
             mount           22            2K          644
          freework            5            2K          677
           softdep            1            1K            1
          freeblks            4            1K          332
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
      NFSD session            1            1K            1
          sctp_ifn            7            1K           16
             mkdir            7            1K          550
               mld            7            1K            7
              igmp            7            1K            7
        CAM periph            4            1K          271
         cryptodev           13            1K          427
             ipsec            3            1K            3
            diradd            6            1K          509
          indirdep            3            1K          378
              pfil            6            1K            6
            isadev            6            1K            8
         sctp_atky           21            1K          105
          pci_link           10            1K           10
 encap_export_host           12            1K           12
            select            5            1K           58
       ip6_msource            9            1K           22
             frag6            6            1K            6
          freefile            4            1K          384
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
        ip_msource            7            1K           20
      counter_rate           14            1K           14
    chacha20random            1            1K            1
            biobuf            1            1K            1
           eventfd            3            1K            4
         sctp_athm           19            1K           95
            vnodes            2            1K            8
            ip6opt            2            1K           58
       in6_mfilter            4            1K           42
        in_mfilter            5            1K           33
              ktls            1            1K           20
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            prison            8            1K            8
            feeder            7            1K            7
             taskq            2            1K            2
           tcpfunc            3            1K            3
        loginclass            3            1K            6
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
      ip6_moptions            4            1K           22
       ip_moptions            2            1K           17
               aio            4            1K            9
          pmchooks            1            1K            1
filedesc_to_leader            2            1K            4
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          filecaps            4            1K           74
          sctp_vrf            1            1K            1
         sctp_aadr            1            1K            1
          sctp_map            4            1K           16
              vnet            1            1K            1
            soname            3            1K         3591
               pmc            1            1K            1
           entropy            2            1K           34
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           fadvise            1            1K            3
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
         sfs_nodes            0            0K            0
        zones_data            0            0K            0
          pf_table            0            0K            0
           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            3
       tcp_do_rack            0            0K            0
      tcp_fsb_rack            0            0K            6
        sctp_mcore            0            0K            0
        sctp_socko            0            0K           29
         sctp_iter            0            0K           13
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
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               esp            0            0K            0
                ah            0            0K            0
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               ixl            0            0K            0
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              iavf            0            0K            0
             axgbe            0            0K            0
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            qpidrv            0            0K            0
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      amdiommu_ctx            0            0K            0
              isci            0            0K            0
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           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K          449
          sentinel            0            0K            0
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             sbdep            0            0K           26
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          freefrag            0            0K          188
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 audit_pipe_presel            0            0K            0
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          ktls_ocf            0            0K            3
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
      MLX5E_TLS_RX            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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            MLX5EN            0            0K            0
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
       simple_attr            0            0K            0
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               idr            0            0K            0
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            lkpifw            0            0K            0
         lkpi80211            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
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             iflib            0            0K            0
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               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K           25
           VN POLL            0            0K            6
            statfs            0            0K          362
     namei_tracker            0            0K            5
           inotify            0            0K            2
       export_host            0            0K            0
        cl_savebuf            0            0K          108
               lio            0            0K            4
               acl            0            0K            0
          mbuf_tag            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
           timerfd            0            0K            0
          procdesc            0            0K            8
               iov            0            0K        18111
          ioctlops            0            0K          231
           Witness            0            0K            0
             stack            0            0K            0
              sbuf            0            0K          368
          firmware            0            0K            0
        compressor            0            0K            0
              SWAP            0            0K            0
         sysctltmp            0            0K          672
            sysctl            0            0K            3
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K           74
              rctl            0            0K            0
             cache            0            0K            0
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       Fail Points            0            0K            0
             sigio            0            0K            6
               pwd            0            0K            0
       tty console            0            0K            0
         boottrace            0            0K            0
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       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           90
     geom_flashmap            0            0K            0
         tmpfs dir            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
     tmpfs extattr            0            0K            0
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         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
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     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
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        NEWNFSnode            0            0K            0
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            NFS fh            0            0K            0
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     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
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       msdosfs_fat            0            0K            0
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            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
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               xnb            0            0K            0
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              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
            pvscsi            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
            twsbuf            0            0K            0
       tcp_log_dev            0            0K            1
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
       SIIS driver            0            0K            0
               PUC            0            0K            0
          ppbusdev            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
         mpi3mrbuf            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            MPSSAS            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
          ix_sriov            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
        aacraidcam            0            0K            0
       aacraid_buf            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            XZ_DEC            0            0K            0
            nvlist            0            0K          875
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
         scsi_pass            0            0K            0
           scsi_da            0            0K           70
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
           nvme_da            0            0K            0
           CAM CCB            0            0K          523
     CAM ccb queue            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       16135       0     254   38494208        0
           tcp_log    416   10397    3319       20046       0     254    5705856        0
    ertt_txseginfo     40  116510     145      118706       0     254    4666200        0
              mbuf    256    8794     868      141971       0     254    2473472        0
        malloc-128    128   14694     186       15648       0     126    1904640        0
          BUF TRIE    152     378   11426        2499       0      62    1794208        0
        RADIX NODE    152   10566     557       43141       0      62    1690696        0
        malloc-384    384    4118      52        4118       0      30    1601280        0
       malloc-4096   4096     337       7        1011       0       2    1409024        0
       UMA Slabs 0    112   11221       5       11221       0     126    1257312        0
         vmem btag     56   21255      96       21255       0     254    1195656        0
         sctp_asoc   2256       2     508           8       0     254    1150560        0
      malloc-16384  16384      66       2         510       0       1    1114112        0
         malloc-64     64     233   17092      183693       0     254    1108800        0
zio_buf_comb_1048576 1048576       0       1          15       0       1    1048576        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
      malloc-65536  65536      10       1          25       0       1     720896        0
         FFS inode   1168     597      19         991       0       8     719488        0
        malloc-256    256    2446     104        3975       0      62     652800        0
           sctp_ep   1152      17     494          83       0     254     588672        0
            socket   1024     116     392        1924       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
       malloc-4096   4096     121       5        1199       0       2     516096        0
            THREAD   1860     248      16         757       0       8     491040        0
        256 Bucket   2048     222      12        2201       0       8     479232        0
              pbuf   2624       0     166           0       0       2     435584        0
         VM OBJECT    248    1644     100       17705       0      62     432512        0
      malloc-65536  65536       6       0           6       0       1     393216        0
        sctp_raddr    736       2     515           8       0     254     380512        0
         malloc-64     64    5196     411        6622       0     254     358848        0
             VNODE    440     637      83        1034       0      30     316800        0
         malloc-16     16   18480     520       20314       0     254     304000        0
       malloc-8192   8192       4      31          44       0       1     286720        0
         MAP ENTRY     96    2711     187       59374       0     126     278208        0
         malloc-32     32    7368     318        8102       0     254     245952        0
       malloc-2048   2048     106      14         383       0       8     245760        0
         UMA Zones    768     312       2         312       0      16     241152        0
     FPU_save_area    832     250      29        1021       0      16     232128        0
            DEVCTL   1024      34     186         161       0       0     225280        0
       malloc-2048   2048      13      91        1086       0       8     212992        0
      malloc-65536  65536       0       3         110       0       1     196608        0
      malloc-32768  32768       0       6         271       0       1     196608        0
        malloc-256    256     111     639        3704       0      62     192000        0
        malloc-128    128    1209     186       29413       0     126     178560        0
       FFS2 dinode    256     597      93         991       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
              PROC   1376     108      13        1176       0       8     166496        0
             unpcb    320      17     499        1257       0     254     165120        0
       malloc-4096   4096      34       4         422       0       2     155648        0
       S VFS Cache    104    1035     369        1538       0     126     146016        0
         filedesc0   1072     109      17        1202       0       8     135072        0
zio_buf_comb_131072 131072       0       1           1       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2          86       0       1     131072        0
      malloc-32768  32768       4       0           4       0       1     131072        0
      malloc-32768  32768       1       3          17       0       1     131072        0
      malloc-32768  32768       0       4          21       0       1     131072        0
       malloc-1024   1024     116      12         135       0      16     131072        0
        malloc-128    128     758     265        1765       0     126     130944        0
       mbuf_packet    256      35     473         608       0     254     130048        0
          ksiginfo    112     105     939         357       0     126     116928        0
          UMA Kegs    384     298       5         298       0      30     116352        0
         tcp_inpcb   1304      60      21         190       0       8     105624        0
       tcp_bbr_map    128     337     438         683       0     126      99200        0
        malloc-128    128     565     210        1254       0     126      99200        0
       malloc-8192   8192      10       1          17       0       1      90112        0
        128 Bucket   1024      50      33         316       0      16      84992        0
            vnpbuf   2624       0      32           5       0      16      83968        0
       malloc-2048   2048      25      15         197       0       8      81920        0
        sctp_chunk    152       2     518           8       0     254      79040        0
        malloc-384    384      96      84         771       0      30      69120        0
        malloc-384    384     150      30         177       0      30      69120        0
         malloc-64     64     516     555       23273       0     254      68544        0
        malloc-128    128     307     220         334       0     126      67456        0
               md0      8    8192     192        8192       0     254      67072        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
         64 Bucket    512     105      23        2904       0      30      65536        0
           VMSPACE    584      83      29        1145       0      16      65408        0
        malloc-256    256      74     181        2137       0      62      65280        0
         32 Bucket    256      77     178         493       0      62      65280        0
              pipe    736      27      61         393       0      16      64768        0
             g_bio    408       0     150       13812       0      30      61200        0
       malloc-8192   8192       5       2         136       0       1      57344        0
         malloc-64     64     469     350         675       0     254      52416        0
             Files     80     330     320        9721       0     126      52000        0
        malloc-128    128     132     271         681       0     126      51584        0
           ttyoutq    256      72     123         304       0      62      49920        0
        malloc-256    256     139      56         205       0      62      49920        0
        malloc-256    256      61     134        1845       0      62      49920        0
zio_data_buf_16384  16384       0       3           9       0       1      49152        0
           DIRHASH   1024      34      14          40       0      16      49152        0
             NAMEI   1024       1      47       16707       0      16      49152        0
      malloc-16384  16384       2       1           6       0       1      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-4096   4096       8       4         101       0       2      49152        0
       malloc-2048   2048       6      18          87       0       8      49152        0
       malloc-2048   2048      12      12         112       0       8      49152        0
       malloc-1024   1024      25      23        2182       0      16      49152        0
       malloc-1024   1024      13      35        1623       0      16      49152        0
           pcpu-64     64     503     265         503       0     254      49152        0
        malloc-384    384      77      43         897       0      30      46080        0
            pcpu-8      8    5378     254        6200       0     254      45056        0
          syncache    168       0     264           4       0     254      44352        0
         TURNSTILE    136     265      50         265       0      62      42840        0
       malloc-8192   8192       4       1           5       0       1      40960        0
        sctp_readq    152       0     260           1       0     254      39520        0
            cpuset    200       9     183         105       0      62      38400        0
            da_ccb    544       0      70        3672       0      16      38080        0
         udp_inpcb    408      10      80         226       0      30      36720        0
         hostcache     64       4     563           4       0     254      36288        0
         malloc-64     64      51     516         424       0     254      36288        0
         malloc-64     64     244     323         430       0     254      36288        0
         malloc-64     64      51     516         241       0     254      36288        0
         malloc-64     64     140     427        1980       0     254      36288        0
         16 Bucket    144      67     185         529       0      62      36288        0
        malloc-128    128      29     250         183       0     126      35712        0
        malloc-128    128      48     231         508       0     126      35712        0
     routing nhops    256      32     103          40       0      62      34560        0
        malloc-384    384      26      64         106       0      30      34560        0
        malloc-256    256      68      67         130       0      62      34560        0
        malloc-256    256     100      35         534       0      62      34560        0
        malloc-256    256      51      84         510       0      62      34560        0
             ripcb    376      10      80          93       0      30      33840        0
        SLEEPQUEUE     88     265     119         265       0     126      33792        0
     zio_buf_16384  16384       0       2          10       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-4096   4096       0       8         174       0       2      32768        0
       malloc-2048   2048       2      14          31       0       8      32768        0
       malloc-2048   2048       7       9          10       0       8      32768        0
       malloc-1024   1024       9      23         219       0      16      32768        0
       malloc-1024   1024      28       4          38       0      16      32768        0
       malloc-1024   1024       8      24           9       0      16      32768        0
       malloc-1024   1024       1      31        1850       0      16      32768        0
        malloc-512    512      10      54          19       0      30      32768        0
        malloc-512    512       3      61         246       0      30      32768        0
        malloc-512    512       5      59         128       0      30      32768        0
        malloc-512    512       7      57          14       0      30      32768        0
        malloc-512    512       4      60          19       0      30      32768        0
        malloc-512    512       0      64          38       0      30      32768        0
        malloc-512    512       0      64          19       0      30      32768        0
       tcp_bbr_pcb    896       2      34           7       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
              PGRP    120      23     241          57       0     126      31680        0
            clpbuf   2624       0      12         420       0       4      31488        0
        sctp_laddr     48      10     578          27       0     254      28224        0
          rl_entry     48       6     582           8       0     254      28224        0
         malloc-32     32     337     545         435       0     254      28224        0
          4 Bucket     48       7     581          26       0     254      28224        0
               AIO    208       1     132          53       0      62      27664        0
     udplite_inpcb    408       0      63          10       0      30      25704        0
               PWD     40      61     545         335       0     254      24240        0
           rtentry    168      35     109          40       0      62      24192        0
          8 Bucket     80      57     243         446       0     126      24000        0
            splice    184       0     126           2       0      62      23184        0
        malloc-384    384       0      60           7       0      30      23040        0
        malloc-384    384       1      59          86       0      30      23040        0
         domainset     40       0     567          93       0     254      22680        0
       Mountpoints   2816       2       6           4       0       4      22528        0
              ertt     72      59     221         190       0     126      20160        0
         malloc-32     32      58     572         186       0     254      20160        0
         malloc-32     32     184     446         580       0     254      20160        0
         malloc-32     32     157     473         210       0     254      20160        0
         malloc-32     32      50     580       13699       0     254      20160        0
         malloc-32     32      37     593        1860       0     254      20160        0
          2 Bucket     32      97     533         591       0     254      20160        0
             KNOTE    160       1     124         192       0      62      20000        0
           cryptop    280       0      70          79       0      30      19600        0
             AIOCB    552       0      35          58       0      16      19320        0
      ktls_session    256       0      75           4       0      62      19200        0
       L VFS Cache    320       0      60          44       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-8192   8192       0       2          25       0       1      16384        0
       malloc-4096   4096       0       4           4       0       2      16384        0
       malloc-4096   4096       1       3          50       0       2      16384        0
       malloc-4096   4096       1       3          70       0       2      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       0      16           3       0      16      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
      vtnet_tx_hdr     24       1     667      119989       0     254      16032        0
   tcp_log_id_node    120       1     131           2       0     126      15840        0
              kenv    258      17      43        1077       0      30      15480        0
      tcp_rack_pcb   1088       0      14           3       0       8      15232        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
arc_buf_hdr_t_full    368       4      29           4       0      30      12144        0
 tcp_log_id_bucket    176       1      68           2       0      62      12144        0
         malloc-32     32      37     341         791       0     254      12096        0
         malloc-16     16     143     607         563       0     254      12000        0
         malloc-16     16      10     740         164       0     254      12000        0
         malloc-16     16     342     408         501       0     254      12000        0
         malloc-16     16      26     724          30       0     254      12000        0
         malloc-16     16     184     566        2910       0     254      12000        0
         malloc-16     16      20     730       33094       0     254      12000        0
         malloc-16     16      59     691         319       0     254      12000        0
            itimer    352       0      33           6       0      30      11616        0
       malloc-8192   8192       0       1           1       0       1       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        KMAP ENTRY     96      15      24          42       0       0       3744        0
   zfs_znode_cache    464       0       0           0       0      30          0        0
zap_attr_long_cache   1056       0       0           0       0       8          0        0
     zap_name_long   1096       0       0           0       0       8          0        0
    zap_attr_cache    288       0       0           0       0      30          0        0
          zap_name    328       0       0           0       0      30          0        0
       sio_cache_2    168       0       0           0       0      62          0        0
       sio_cache_1    152       0       0           0       0      62          0        0
       sio_cache_0    136       0       0           0       0      62          0        0
     zil_zcw_cache     80       0       0           0       0     126          0        0
     zil_lwb_cache    376       0       0           0       0      30          0        0
dbuf_dirty_record_t    368       0       0           0       0      30          0        0
    dmu_buf_impl_t    376       0       0           0       0      30          0        0
         arc_buf_t     32       0       0           0       0     254          0        0
arc_buf_hdr_t_l2only     96       0       0           0       0     126          0        0
           dnode_t    968       0       0           0       0      16          0        0
          sa_cache    272       0       0           0       0      30          0        0
         abd_chunk   4096       0       0           0       0       2          0        0
zio_buf_comb_16777216 16777216       0       0           0       0       1          0        0
zio_buf_comb_12582912 12582912       0       0           0       0       1          0        0
zio_buf_comb_8388608 8388608       0       0           0       0       1          0        0
zio_buf_comb_6291456 6291456       0       0           0       0       1          0        0
zio_buf_comb_4194304 4194304       0       0           0       0       1          0        0
zio_buf_comb_3145728 3145728       0       0           0       0       1          0        0
zio_buf_comb_2097152 2097152       0       0           0       0       1          0        0
zio_buf_comb_1572864 1572864       0       0           0       0       1          0        0
zio_buf_comb_786432 786432       0       0           0       0       1          0        0
zio_buf_comb_524288 524288       0       0           0       0       1          0        0
zio_buf_comb_393216 393216       0       0           0       0       1          0        0
zio_buf_comb_262144 262144       0       0           0       0       1          0        0
zio_buf_comb_196608 196608       0       0           0       0       1          0        0
zio_buf_comb_98304  98304       0       0           0       0       1          0        0
zio_buf_comb_65536  65536       0       0           0       0       1          0        0
zio_buf_comb_49152  49152       0       0           0       0       1          0        0
zio_buf_comb_32768  32768       0       0           0       0       1          0        0
zio_buf_comb_24576  24576       0       0           0       0       1          0        0
zio_data_buf_12288  12288       0       0           0       0       1          0        0
     zio_buf_12288  12288       0       0           0       0       1          0        0
 zio_data_buf_8192   8192       0       0           0       0       1          0        0
      zio_buf_8192   8192       0       0           0       0       1          0        0
 zio_data_buf_6144   6144       0       0           0       0       1          0        0
      zio_buf_6144   6144       0       0           0       0       1          0        0
 zio_data_buf_4096   4096       0       0           0       0       2          0        0
      zio_buf_4096   4096       0       0           0       0       2          0        0
 zio_data_buf_3072   3072       0       0           0       0       4          0        0
      zio_buf_3072   3072       0       0           0       0       4          0        0
 zio_data_buf_2048   2048       0       0           0       0       8          0        0
      zio_buf_2048   2048       0       0           0       0       8          0        0
 zio_data_buf_1536   1536       0       0           0       0       8          0        0
      zio_buf_1536   1536       0       0           0       0       8          0        0
 zio_data_buf_1024   1024       0       0           0       0      16          0        0
      zio_buf_1024   1024       0       0           0       0      16          0        0
  zio_data_buf_512    512       0       0           0       0      30          0        0
       zio_buf_512    512       0       0           0       0      30          0        0
    zio_link_cache     48       0       0           0       0     254          0        0
         zio_cache   1216       0       0           0       0       8          0        0
ddt_log_entry_trad_cache    328       0       0           0       0      30          0        0
ddt_log_entry_flat_cache    144       0       0           0       0      62          0        0
ddt_entry_trad_cache    368       0       0           0       0      30          0        0
ddt_entry_flat_cache    184       0       0           0       0      62          0        0
         ddt_cache  29240       0       0           0       0       1          0        0
   brt_entry_cache    168       0       0           0       0      62          0        0
metaslab_alloc_trace_cache     72       0       0           0       0     126          0        0
zfs_btree_leaf_cache   4096       0       0           0       0       2          0        0
   reference_cache     48       0       0           0       0     254          0        0
        taskq_zone    160       0       0           0       0      62          0        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 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_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
          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
           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-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-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
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg     88       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0
db> show all tcpcbs/bl
tcpcb at 0xfffffe007c030000
  t_segq first: 0   t_segqlen: 0   t_dupacks: 0
  t_callout: 0xfffffe007c030188   t_timers: 0xfffffe007c0301c8
  t_state: 10 (TCPS_TIME_WAIT)
  t_flags: 0x100003f0 (TF_SENTFIN, TF_REQ_SCALE, TF_RECVD_SCALE, TF_REQ_TSTMP, TF_RCVD_TSTMP, TF_SACK_PERMIT, TF_LRD)
  t_flags2: 0x40a (TF2_PLPMTU_PMTUD, TF2_LOG_AUTO, TF2_FBYTES_COMPLETE)
  snd_una: 0xf00e09bd   snd_max: 0xf00e09bd   snd_nxt: 0xf00e09bd
  snd_up: 0xf00e09bd   snd_wl1: 0xf00e09bb   snd_wl2: 0xf00e09bb
  iss: 0xf00e09ba   irs: 0xf00e09ba   rcv_nxt: 0xf00e09bd
  rcv_adv: 0xf00f48bd   rcv_wnd: 81664   rcv_up: 0xf00e09bb
  snd_wnd: 4194239   snd_cwnd: 32626
  snd_ssthresh: 1073725440   snd_recover: 0xf00e09bd
  t_rcvtime: 2147432345   t_startime: 2147432345
  t_rttime: 0   t_rtsq: 0xf00e09bb
  t_rxtcur: 25   t_maxseg: 16324   t_srtt: 28
  t_rttvar: 20   t_rxtshift: 0   t_rttmin: 3
  t_rttupdated: 2   max_sndwnd: 4194240   t_softerror: 0
  t_oobflags: 0x0 ()   t_iobc: 0x00
  snd_scale: 6   rcv_scale: 6   request_r_scale: 6
  ts_recent: 42312505   ts_recent_age: 87972
  ts_offset: 42224533   last_ack_sent: 0xf00e09bd   snd_cwnd_prev: 0
  snd_ssthresh_prev: 0   snd_recover_prev: 0x00000000   t_badrxtwin: 0
  snd_numholes: 0  snd_holes first: 0
  snd_fack: 0x00000000   rcv_numsacks: 0
  t_rttlow: 0   rfbuf_ts: 87972   rfbuf_cnt: 0
  t_fb.tfb_tcp_block_name: freebsd
  t_cc.name: cubic
  _t_logstate: 1 (TCP_LOG_STATE_TAIL)
  t_lognum: 27   t_loglimit: 5000   t_logsn: 27
     0.000 ATTACH, error: 0
    +0.006 BIND, error: 0
    +0.012 Starting Keepalive timer: 75000 ms
    +0.000 > S 4027451834:4027451834(0) win 65535 <mss 16324,nop,wscale 6,sackOK,TS val 42312505 ecr 0>
    +0.000 Starting Retransmission timer: 1000 ms
    +0.000 CONNECT, error: 0
    +0.000 < S 4027451834:4027451834(0) win 65535 <mss 16324,nop,wscale 6,sackOK,TS val 42312505 ecr 0>
    +0.000 Stopping Retransmission timer
    +0.000 > S. 4027451834:4027451834(0) ack 4027451835 win 65535 <mss 16324,nop,wscale 6,sackOK,TS val 42312505 ecr 42312505>
    +0.000 Starting Retransmission timer: 1000 ms
    +0.000 < S. 4027451834:4027451834(0) ack 4027451835 win 65535 <mss 16324,nop,wscale 6,sackOK,TS val 42312505 ecr 42312505>
    +0.000 Starting Keepalive timer: 7200000 ms
    +0.000 Stopping Retransmission timer
    +0.000 > . 4027451835:4027451835(0) ack 4027451835 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 < . 4027451835:4027451835(0) ack 4027451835 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 > FP. 4027451835:4027451836(1) ack 4027451835 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 Starting Retransmission timer: 260 ms
    +0.000 usersend: rcv.acc: 0 rcv.ccc: 0 snd.acc: 1 snd.ccc: 1
    +0.000 SEND_EOF, error: 0
    +0.000 < FP. 4027451835:4027451836(1) ack 4027451835 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 > F. 4027451836:4027451836(0) ack 4027451837 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 < F. 4027451836:4027451836(0) ack 4027451837 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 Stopping Retransmission timer
    +0.000 > . 4027451837:4027451837(0) ack 4027451837 win 1276 <nop,nop,TS val 42312505 ecr 42312505>
    +0.000 Starting 2 MSL timer: 20 ms
    +0.000 RCVD, error: 0
    +0.000 BIND, error: 22

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/07 00:37 freebsd-src 3ba480f41801 4f67c4ae console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/07/05 03:29 freebsd-src 9c2509f831e8 4f67c4ae console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/07/03 00:04 freebsd-src 5e96f4006d2e 0cd59a8f console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/07/02 11:04 freebsd-src 65bc8e9192dd bc80e4f0 console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/07/02 07:43 freebsd-src 65bc8e9192dd bc80e4f0 console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/07/02 07:43 freebsd-src 65bc8e9192dd bc80e4f0 console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/07/01 20:26 freebsd-src 039fedc441cc 091a06cd console log report ci-freebsd-main panic: in6_pcbconnect: inp is already connected
2025/06/30 23:20 freebsd-src 5c0eb439cfad 6e83b42d console log report ci-freebsd-i386 panic: in6_pcbconnect: inp is already connected
* Struck through repros no longer work on HEAD.