syzbot


panic: in_pcbconnect: inp is already connected

Status: fixed on 2023/06/23 17:19
Reported-by: syzbot+f0f7871ec5397602b446@syzkaller.appspotmail.com
Fix commit: de0a2eb2ef86 tcp: Disallow connecting a disconnected socket
First crash: 526d, last: 526d

Sample crash report:
login: panic: in_pcbconnect: inp is already connected
cpuid = 1
time = 1686883661
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0007dcd650
kdb_backtrace() at kdb_backtrace+0xd1/frame 0xfffffe0007dcd7b0
vpanic() at vpanic+0x252/frame 0xfffffe0007dcd890
panic() at panic+0xb5/frame 0xfffffe0007dcd950
in_pcbconnect() at in_pcbconnect+0x462/frame 0xfffffe0007dcda60
tcp_connect() at tcp_connect+0x11c/frame 0xfffffe0007dcdab0
tcp_usr_connect() at tcp_usr_connect+0x408/frame 0xfffffe0007dcdbb0
soconnectat() at soconnectat+0x1b9/frame 0xfffffe0007dcdc10
kern_connectat() at kern_connectat+0x2c6/frame 0xfffffe0007dcdcf0
sys_connect() at sys_connect+0xfb/frame 0xfffffe0007dcdd30
amd64_syscall() at amd64_syscall+0x40a/frame 0xfffffe0007dcdf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0007dcdf30
--- syscall (0, FreeBSD ELF64, syscall), rip = 0x2b3e9a, rsp = 0x820909e28, rbp = 0x820909e70 ---
KDB: enter: panic
[ thread pid 833 tid 100116 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x2145aaa(%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         0xfffffe00033eee30
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0007dcd790
rbp         0xfffffe0007dcd7b0
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe0058f488c0
r12                          0
r13         0xfffffe0058f483a0
r14         0xffffffff8269cf40  .str.26
r15         0xffffffff8269cf40  .str.26
rip         0xffffffff815ab5eb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x2145aaa(%rip)
db> show proc
Process 833 (syz-executor3840399) at 0xfffffe0058ec25a0:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 779 at 0xfffffe006cd1aac0
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: ./syz-executor3840399668
 reaper: 0xfffffe00541da040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00541e4820
   (map 0xfffffe00541e4820)
   (map.pmap 0xfffffe00541e48e0)
   (pmap 0xfffffe00541e4950)
 threads: 1
100116                   Run     CPU 1                       syz-executor3840399
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  833   779   777     0  R       CPU 1                       syz-executor3840399
  779   777   777     0  S       nanslp  0xffffffff836d2841  syz-executor3840399
  777   775   777     0  Ss      pause   0xfffffe0058ec2bb0  csh
  775   688   775     0  Ss      select  0xfffffe005883e8c0  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe0057665cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe0057664cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0057b5f0b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe0057b5f4b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe0057b5f8b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0057b5fcb0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0057b600b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0057b604b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0057b608b0  getty
  744     1    18     0  S+      piperd  0xfffffe0058c20b60  logger
  743   742    18     0  S+      nanslp  0xffffffff836d2840  sleep
  742     1    18     0  S+      wait    0xfffffe0058ec0000  sh
  692     1   692     0  Ss      nanslp  0xffffffff836d2841  cron
  688     1   688     0  Ss      select  0xfffffe005883e540  sshd
  501     1   501     0  Ss      select  0xfffffe005883e4c0  syslogd
  430     1   430     0  Ss      select  0xfffffe0058b641c0  devd
  429     1   429    65  Ss      select  0xfffffe005883e240  dhclient
  344     1   344     0  Ss      select  0xfffffe005883e1c0  dhclient
  341     1   341     0  Ss      select  0xfffffe006ca00d40  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe00541db5c0  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff837d4d20  [syncer]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff837d3340  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100095                   D       sdflush 0xfffffe005407b0e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff8380ac00  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff837feab8  [dom0]
100080                   D       launds  0xffffffff837feac4  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d242d0  [uma]
    7     0     0     0  DL      -       0xffffffff83496e48  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84445310  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8413b1c0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83479340  [doneq0]
100045                   D       -       0xffffffff834792c0  [async]
100076                   D       -       0xffffffff83479140  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0054383c88  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff837fa360  [crypto]
100041                   D       crypto_ 0xfffffe005408ce30  [crypto returns 0]
100042                   D       crypto_ 0xfffffe005408ce80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836a8640  [g_event]
100036                   D       -       0xffffffff836a8660  [g_up]
100037                   D       -       0xffffffff836a8680  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100029                   I                                   [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100016                   I                                   [swi5: fast taskq]
100019                   I                                   [swi6: task queue]
100020                   I                                   [swi6: Giant taskq]
100031                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   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    0xfffffe00541da040  [init]
   10     0     0     0  DL      audit_w 0xffffffff837fada0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836a9060  [swapper]
100005                   D       -       0xfffffe0054297100  [if_io_tqg_0]
100006                   D       -       0xfffffe0054297000  [if_io_tqg_1]
100007                   D       -       0xfffffe0054296e00  [if_config_tqg_0]
100008                   D       -       0xfffffe0054296d00  [softirq_0]
100009                   D       -       0xfffffe0054296c00  [softirq_1]
100010                   D       -       0xfffffe00085ff300  [linuxkpi_irq_wq]
100011                   D       -       0xfffffe00085ff100  [thread taskq]
100012                   D       -       0xfffffe00085fee00  [inm_free taskq]
100013                   D       -       0xfffffe00085fec00  [aiod_kick taskq]
100014                   D       -       0xfffffe00085fea00  [deferred_unmount ta]
100015                   D       -       0xfffffe00085fe800  [in6m_free taskq]
100017                   D       -       0xfffffe00085fe400  [kqueue_ctx taskq]
100018                   D       -       0xfffffe00085fe200  [pci_hp taskq]
100021                   D       -       0xfffffe00085fdb00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085fdb00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085fdb00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085fdb00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085fd600  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085fd600  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085fd600  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085fd600  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00085fcb00  [firmware taskq]
100038                   D       -       0xfffffe00085fc600  [crypto_0]
100039                   D       -       0xfffffe00085fc600  [crypto_1]
100055                   D       -       0xfffffe00570bd900  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00570bd800  [vtnet0 txq 0]
100057                   D       -       0xfffffe00570bd700  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00570bd600  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe005715f300  [virtio_balloon]
100066                   D       -       0xffffffff826a1e81  [deadlkres]
100070                   D       -       0xfffffe0057a87500  [acpi_task_0]
100071                   D       -       0xfffffe0057a87500  [acpi_task_1]
100072                   D       -       0xfffffe0057a87500  [acpi_task_2]
100073                   D       -       0xfffffe000798f100  [mca taskq]
100075                   D       -       0xfffffe00570be100  [CAM taskq]
db> show all locks
Process 833 (syz-executor3840399) thread 0xfffffe0058f483a0 (100116)
exclusive sleep mutex tcphash (tcphash) r = 0 (0xfffffe0054049a10) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:1470
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe006cd77aa0) locked @ /syzkaller/managers/main/kernel/sys/netinet/tcp_usrreq.c:490
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4218         4324K         4243
         sysctloid        34805         2051K        34876
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk          790         1222K          817
          vfscache            3         1025K            3
               pcb           23          669K           42
          inodedep           26          522K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc           97          185K          890
            acpica         1674          184K        57877
           tidhash            3          141K            3
              vmem            3          134K            4
           pagedep            8          130K           18
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            linker          324          127K          353
         vnet_data            1          112K            1
               sem            4          106K            4
            DEVFS1          105          105K          114
               bus          988           81K         5135
          mtx_pool            2           72K            2
     NFSD srvcache            3           68K            3
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          508           64K          508
              temp           19           53K         1603
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          158           32K          951
            DEVFS3          124           31K          134
              umtx          242           31K          242
               msg            4           30K            4
            kbdmux            6           28K            6
        gtaskqueue           18           26K           18
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1648
      eventhandler          157           13K          157
            KTRACE          100           13K          100
              kenv           95           12K           95
            ifaddr           30           12K           32
              rman           88           11K          431
              GEOM           61           11K          481
          routetbl           50           11K          176
         CAM queue            5           11K         1528
         bmsafemap            3            9K           41
               rpc            4            9K            4
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
       pfs_vncache            1            8K            1
             shmfd            1            8K            1
     audit_evclass          237            8K          297
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          234
         pfs_nodes           20            5K           20
       ufs_dirhash           24            5K           24
               UMA          267            5K          267
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
          filedesc            1            4K            1
             evdev            4            4K            4
           acpisem           28            4K           28
             hhook           15            4K           17
       ether_multi           40            4K           50
           lltable           11            4K           11
          pf_ifnet            5            3K            6
         in6_multi           25            3K           25
          terminal           11            3K           11
            kqueue           41            3K          836
           pwddesc           41            3K          834
           session           20            3K           31
             clone            9            3K            9
           uidinfo            3            3K            8
         proc-args           63            3K         1774
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
             selfd           27            2K        13190
          freefile           13            2K           22
            Unitno           27            2K           41
           CAM XPT           22            2K          543
             lockf           15            2K           22
               msi           12            2K           12
            CC Mem            6            2K          169
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
      NFSD session            1            1K            1
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
            diradd            7            1K           36
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          indirdep            3            1K            3
             nhops            6            1K            6
              pfil            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         newdirblk            4            1K            8
             mkdir            4            1K           16
          in_multi            2            1K            4
              cdev            2            1K            2
               osd           11            1K          182
       inpcbpolicy           13            1K          301
    chacha20random            1            1K            1
            biobuf            1            1K            1
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K            9
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
           netlink            1            1K            1
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            5            1K         3585
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
          freework            1            1K           26
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            mqdata            0            0K            0
          pf_table            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
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            4
         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            4
         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
           filemon            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
               ixl            0            0K            0
         tmpfs dir            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
     tmpfs extattr            0            0K            0
           NFS FHA            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
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
          xen_intr            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
        NFSCL open            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
       NFSCL owner            0            0K            0
            xenbus            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
     vm_fictitious            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
           UMAHash            0            0K            0
            DEVFS4            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           17
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freeblks            0            0K           25
          freefrag            0            0K            1
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
          xen_acpi            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
          ktls_ocf            0            0K            0
        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
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
       simple_attr            0            0K            0
          seq_file            0            0K            0
           lkpiskb            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
          lkpindev            0            0K            0
           lkpimhi            0            0K            0
            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
            ip6opt            0            0K            3
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
         BACKLIGHT            0            0K            0
               LRO            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        in_mfilter            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
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
           VN POLL            0            0K            0
           ath_hal            0            0K            0
            statfs            0            0K          196
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            3
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
            twsbuf            0            0K            0
       tcp_log_dev            0            0K            0
               aio            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
      midi buffers            0            0K            0
          mbuf_tag            0            0K            0
              ktls            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K          523
               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
     CAM ccb queue            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        13782
          ioctlops            0            0K           86
           eventfd            0            0K            0
           Witness            0            0K            0
             stack            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
              sbuf            0            0K          288
          mpr_user            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
            MPRSAS            0            0K            0
              SWAP            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
         sysctltmp            0            0K          650
            sysctl            0            0K            3
        md_sectors            0            0K            0
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            0
              rctl            0            0K            0
           md_disk            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
          ix_sriov            0            0K            0
             cache            0            0K            0
        aacraidcam            0            0K            0
          kcovinfo            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
       aacraid_buf            0            0K            0
            aaccam            0            0K            0
         boottrace            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            XZ_DEC            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       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
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       15491       0     254   38494208        0
              mbuf    256    8577    1085       19389       0     254    2473472        0
          BUF TRIE    144     185   11631         566       0      62    1701504        0
        malloc-384    384    4150      20        4152       0      30    1601280        0
        malloc-128    128   12214     279       12519       0     126    1599104        0
       malloc-4096   4096     326       2         488       0       2    1343488        0
       UMA Slabs 0    112   10581      33       10581       0     126    1188768        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   15374      73       15374       0     254     865032        0
         FFS inode   1160     486      39         508       0       8     609000        0
              pbuf   2624       0     202           0       0       2     530048        0
        RADIX NODE    144    3318     233       20691       0      62     511344        0
            socket    960      21     487        1481       0     254     487680        0
         VM OBJECT    264    1416      84       24877       0      30     396000        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
        256 Bucket   2048     121      15         967       0       8     278528        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-64     64    3802     293        3831       0     254     262080        0
             VNODE    448     516      60         540       0      30     258048        0
        malloc-256    256     843      87         990       0      62     238080        0
         malloc-16     16   14385     365       14614       0     254     236000        0
            DEVCTL   1024       0     220         124       0       0     225280        0
            THREAD   1824     116       5         116       0       8     220704        0
      malloc-65536  65536       1       2          47       0       1     196608        0
      malloc-65536  65536       2       1          10       0       1     196608        0
         MAP ENTRY     96    1603     413       86449       0     126     193536        0
       malloc-4096   4096      44       2        1450       0       2     188416        0
         UMA Zones    768     239       0         239       0      16     183552        0
         malloc-32     32    5294     376        5364       0     254     181440        0
        malloc-128    128    1126     269       26919       0     126     178560        0
       malloc-1024   1024     116      28         126       0      16     147456        0
       FFS2 dinode    256     486      84         508       0      62     145920        0
      malloc-65536  65536       0       2         126       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
             unpcb    256       7     503        1163       0     254     130560        0
       mbuf_packet    256       0     508          97       0     254     130048        0
       S VFS Cache    104     966     204        1004       0     126     121680        0
     FPU_save_area    832     118      26         131       0      16     119808        0
          ksiginfo    112      39    1005          55       0     126     116928        0
       malloc-4096   4096      23       1          34       0       2      98304        0
       malloc-2048   2048       8      40         515       0       8      98304        0
          UMA Kegs    384     226       7         226       0      30      89472        0
          syncache    168       0     528          59       0     254      88704        0
        128 Bucket   1024      47      36         506       0      16      84992        0
              PROC   1376      40      15         833       0       8      75680        0
         filedesc0   1072      41      29         834       0       8      75040        0
       malloc-8192   8192       8       1          34       0       1      73728        0
             g_bio    408       0     180        4699       0      30      73440        0
         malloc-64     64     528     543       14692       0     254      68544        0
         malloc-64     64     525     546        1622       0     254      68544        0
        malloc-128    128     289     238         362       0     126      67456        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
        malloc-256    256     145     110         461       0      62      65280        0
        malloc-256    256     189      66         567       0      62      65280        0
       malloc-8192   8192       6       1           8       0       1      57344        0
         64 Bucket    512      62      42        1638       0      30      53248        0
         malloc-64     64     273     546       13691       0     254      52416        0
         malloc-64     64     204     615        2389       0     254      52416        0
        malloc-128    128     171     232         581       0     126      51584        0
        malloc-256    256      77     118         508       0      62      49920        0
         32 Bucket    256      58     137       11782       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       12185       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-2048   2048       2      22         525       0       8      49152        0
       malloc-1024   1024      10      38        1394       0      16      49152        0
         tcp_inpcb   1304       6      27         169       0       8      43032        0
       malloc-8192   8192       5       0           5       0       1      40960        0
           VMSPACE    520      24      51         818       0      16      39000        0
         udp_inpcb    424       6      84         128       0      30      38160        0
            da_ccb    544       0      70        1309       0      16      38080        0
            pcpu-8      8    4287     321        4315       0     254      36864        0
         malloc-64     64       7     560          22       0     254      36288        0
         malloc-64     64      57     510         310       0     254      36288        0
        malloc-128    128      27     252          86       0     126      35712        0
        malloc-128    128      51     228        3326       0     126      35712        0
        malloc-128    128     113     166         830       0     126      35712        0
        malloc-128    128     112     167         145       0     126      35712        0
     routing nhops    256      10     125          17       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      26      64          71       0      30      34560        0
        malloc-384    384      56      34         417       0      30      34560        0
        malloc-256    256      51      84         977       0      62      34560        0
        malloc-256    256      15     120          39       0      62      34560        0
        malloc-256    256      27     108         382       0      62      34560        0
        malloc-256    256      29     106         204       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0          12       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-8192   8192       2       2         103       0       1      32768        0
       malloc-2048   2048       3      13          15       0       8      32768        0
       malloc-2048   2048       4      12          38       0       8      32768        0
       malloc-2048   2048       1      15          51       0       8      32768        0
       malloc-2048   2048       3      13           3       0       8      32768        0
       malloc-2048   2048       3      13         194       0       8      32768        0
       malloc-1024   1024       2      30          42       0      16      32768        0
       malloc-1024   1024       1      31          17       0      16      32768        0
       malloc-1024   1024       4      28         155       0      16      32768        0
       malloc-1024   1024      16      16          16       0      16      32768        0
       malloc-1024   1024      17      15          17       0      16      32768        0
       malloc-1024   1024       5      27           5       0      16      32768        0
        malloc-512    512       2      62         120       0      30      32768        0
        malloc-512    512       5      59           5       0      30      32768        0
        malloc-512    512       0      64          10       0      30      32768        0
        malloc-512    512       3      61          52       0      30      32768        0
        malloc-512    512       2      62          10       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
           pcpu-64     64     486      26         486       0     254      32768        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588           4       0     254      28224        0
         malloc-32     32     319     563         917       0     254      28224        0
          4 Bucket     48       5     583           6       0     254      28224        0
         TURNSTILE    136     122      67         122       0      62      25704        0
             ripcb    392       1      62           4       0      30      24696        0
       malloc-4096   4096       4       2           7       0       2      24576        0
       malloc-4096   4096       4       2           4       0       2      24576        0
              PGRP     88      20     256          31       0     126      24288        0
          rl_entry     40      31     575          31       0     254      24240        0
               PWD     40      10     596         100       0     254      24240        0
           rtentry    168      13     131          17       0      62      24192        0
              pipe    728       7      26         284       0      16      24024        0
             Files     80      73     227        6673       0     126      24000        0
          8 Bucket     80      50     250         316       0     126      24000        0
        malloc-384    384       5      55          16       0      30      23040        0
        malloc-384    384      53       7          53       0      30      23040        0
        malloc-384    384       7      53           9       0      30      23040        0
        SLEEPQUEUE     88     122     134         122       0     126      22528        0
            clpbuf   2624       0       8          27       0       4      20992        0
         hostcache     64       1     314           1       0     254      20160        0
   tcp_inpcb ports     32       3     627         109       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
              ertt     72       6     274         169       0     126      20160        0
         malloc-32     32     119     511         155       0     254      20160        0
         malloc-32     32      77     553        1631       0     254      20160        0
         malloc-32     32      33     597         757       0     254      20160        0
         malloc-32     32      32     598        2807       0     254      20160        0
         16 Bucket    144      51      89         274       0      62      20160        0
          2 Bucket     32      49     581         302       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       1       3           2       0       2      16384        0
       malloc-4096   4096       1       3         200       0       2      16384        0
       malloc-2048   2048       5       3           7       0       8      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
              kenv    258      15      45        1034       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
    ertt_txseginfo     40       0     303         332       0     254      12120        0
         malloc-32     32       9     369          56       0     254      12096        0
         malloc-32     32       1     377          20       0     254      12096        0
             KNOTE    160       0      75           8       0      62      12000        0
         malloc-16     16      16     734          59       0     254      12000        0
         malloc-16     16      41     709         456       0     254      12000        0
         malloc-16     16      38     712         239       0     254      12000        0
         malloc-16     16     188     562        3056       0     254      12000        0
         malloc-16     16       8     742           8       0     254      12000        0
         malloc-16     16     286     464        1508       0     254      12000        0
         malloc-16     16      32     718       26379       0     254      12000        0
        malloc-384    384       1      29           1       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
       Mountpoints   2816       2       2           2       0       4      11264        0
       malloc-8192   8192       1       0           1       0       1       8192        0
      vtnet_tx_hdr     24       0     334        2562       0     254       8016        0
           pcpu-16     16       4     252           4       0     254       4096        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          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    344       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_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb   1024       0       0           0       0      16          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
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       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   2264       0       0           0       0     254          0        0
           sctp_ep   1176       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    424       0       0           0       0      30          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
           netlink   2048       0       0           0       0       8          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
           NCLNODE    608       0       0           0       0      16          0        0
        TMPFS node    232       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    104       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      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    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
         malloc-64     64       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/06/16 02:49 freebsd-src e27c618e20cd ee50e71c console log report syz C ci-freebsd-main panic: in_pcbconnect: inp is already connected
2023/06/16 02:13 freebsd-src e27c618e20cd ee50e71c console log report ci-freebsd-main panic: in_pcbconnect: inp is already connected
* Struck through repros no longer work on HEAD.