syzbot


panic: sctp_inpcb_free: inp ADDR still has socket

Status: fixed on 2022/06/04 23:56
Reported-by: syzbot+bf27083e9a3f8fde8b4d@syzkaller.appspotmail.com
Fix commit: a5c2009dd8ab sctp: improve handling of sctp inpcb flags
First crash: 461d, last: 272d

Sample crash report:
panic: sctp_inpcb_free: inp 0xfffffe009f316798 still has socket
cpuid = 1
time = 1640201605
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053b742f0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053b74450
vpanic() at vpanic+0x2b8/frame 0xfffffe0053b74530
panic() at panic+0xb5/frame 0xfffffe0053b74600
sctp_inpcb_free() at sctp_inpcb_free+0x1fe3/frame 0xfffffe0053b74690
sctp_close() at sctp_close+0x1fb/frame 0xfffffe0053b74770
soclose() at soclose+0x3fc/frame 0xfffffe0053b74880
_fdrop() at _fdrop+0x58/frame 0xfffffe0053b748b0
closef() at closef+0x689/frame 0xfffffe0053b74a90
fdescfree() at fdescfree+0xab7/frame 0xfffffe0053b74c80
exit1() at exit1+0x8bf/frame 0xfffffe0053b74d10
sys_exit() at sys_exit+0x28/frame 0xfffffe0053b74d30
amd64_syscall() at amd64_syscall+0x410/frame 0xfffffe0053b74f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0053b74f30
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x2ebd9a, rsp = 0x7fffffffe468, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 79170 tid 100085 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x250deea(%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         0xff65f3694fa2c01f
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0053b74430
rbp         0xfffffe0053b74450
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe0053ea3190
r12         0xfffffe0053ea2c80
r13         0xfffffe0053b74401
r14         0xffffffff82b44540  .str.18
r15         0xffffffff82b44540  .str.18
rip         0xffffffff8175432b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x250deea(%rip)
db> show proc
Process 79170 (syz-executor.0) at 0xfffffe0053de3a90:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 788 at 0xfffffe009f298000
 ABI: FreeBSD ELF64
 flag: 0x10002000  flag2: 0
 arguments: /root/syz-executor.0 exec
 reaper: 0xfffffe0053de5000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe009ecff3f0
   (map 0xfffffe009ecff3f0)
   (map.pmap 0xfffffe009ecff4b0)
   (pmap 0xfffffe009ecff518)
 threads: 1
100085                   Run     CPU 1                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
79171   789   789     0  R       (threaded)                  syz-executor.1
113230                   RunQ                                syz-executor.1
178321                   S       uwait   0xfffffe009f5aa780  syz-executor.1
79170   788   788     0  RE      CPU 1                       syz-executor.0
40774     1 40774    65  Ss      select  0xfffffe009e7c3640  dhclient
31617     1 31617     0  Ss      select  0xfffffe0058aa8540  dhclient
31607     1 31607     0  Ss      select  0xfffffe009e7c0040  dhclient
31556     1 31556    65  Ss      select  0xfffffe009e7c36c0  dhclient
22196     1 22196     0  Ss      select  0xfffffe009e7bfcc0  dhclient
22189     1 22189     0  Ss      select  0xfffffe009e7c3440  dhclient
22133     1 22133    65  Ss      select  0xfffffe009e7c00c0  dhclient
12748     1 12748     0  Ss      select  0xfffffe009e7c3bc0  dhclient
12743     1 12743     0  Ss      select  0xfffffe009e7c34c0  dhclient
12703     1 12703    65  Ss      select  0xfffffe009e7c3cc0  dhclient
 3108     1  3108     0  Ss      select  0xfffffe0058b582c0  dhclient
 3100     1  3100     0  Ss      select  0xfffffe009e7c19c0  dhclient
  790   785   790     0  Rs                                  syz-executor.3
  789   785   789     0  Ss      nanslp  0xffffffff83c2f8c0  syz-executor.1
  788   785   788     0  Ss      nanslp  0xffffffff83c2f8c1  syz-executor.0
  787   785   787     0  Rs                                  syz-executor.2
  785   783   783     0  S       (threaded)                  syz-execprog
100112                   S       uwait   0xfffffe0053e97180  syz-execprog
100114                   S       uwait   0xfffffe00576c9500  syz-execprog
100115                   S       uwait   0xfffffe0053e98c80  syz-execprog
100116                   S       uwait   0xfffffe00576c9380  syz-execprog
100118                   S       uwait   0xfffffe0007994880  syz-execprog
100119                   S       kqread  0xfffffe00081d8400  syz-execprog
100120                   S       uwait   0xfffffe0053e97480  syz-execprog
100121                   S       uwait   0xfffffe0053e97780  syz-execprog
100122                   S       uwait   0xfffffe0007994900  syz-execprog
100123                   S       uwait   0xfffffe0053e97880  syz-execprog
  783   781   783     0  Ss      pause   0xfffffe009f2985f8  csh
  781   687   781     0  Ss      select  0xfffffe009e7c41c0  sshd
  753     1   753     0  Ss+     ttyin   0xfffffe00576de8b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058636cb0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00586374b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe0058637cb0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00586384b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0058638cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe005863a4b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe005863acb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00576e94b0  getty
  691     1   691     0  Ss      nanslp  0xffffffff83c2f8c0  cron
  687     1   687     0  Ss      select  0xfffffe009e7c42c0  sshd
  500     1   500     0  Ss      select  0xfffffe009e7c1840  syslogd
  429     1   429     0  Ss      select  0xfffffe009e7c4cc0  devd
  428     1   428    65  Ss      select  0xfffffe009e7c17c0  dhclient
  343     1   343     0  Ss      select  0xfffffe009e7c4c40  dhclient
  340     1   340     0  Ss      select  0xfffffe009e7c1940  dhclient
   16     0     0     0  DL      syncer  0xffffffff83d550c0  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe00587cd000  [vnlru]
    9     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff83d536e0  [bufdaemon]
100081                   D       -       0xffffffff83011f80  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe0058cc6ce8  [/ worker]
    8     0     0     0  DL      psleep  0xffffffff83d86b80  [vmdaemon]
    7     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff83d7aa38  [dom0]
100082                   D       launds  0xffffffff83d7aa44  [laundry: dom0]
100083                   D       umarcl  0xffffffff81e44f30  [uma]
    6     0     0     0  DL      -       0xffffffff839eb788  [rand_harvestq]
    5     0     0     0  DL      waiting 0xffffffff8473b1c0  [sctp_iterator]
    4     0     0     0  DL      pftm    0xffffffff84357530  [pf purge]
    3     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff8388d740  [doneq0]
100046                   D       -       0xffffffff8388d6c0  [async]
100075                   D       -       0xffffffff8388d540  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0057147c88  [sequencer 00]
    2     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83d76280  [crypto]
100042                   D       crypto_ 0xfffffe0053fb3030  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053fb3080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83c04f80  [g_event]
100037                   D       -       0xffffffff83c04fa0  [g_up]
100038                   D       -       0xffffffff83c04fc0  [g_down]
   12     0     0     0  RL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100020                   I                                   [swi5: fast taskq]
100029                   I                                   [swi4: clock (0)]
100030                   I                                   [swi4: clock (1)]
100031                   I                                   [swi3: vm]
100032                   Run     CPU 0                       [swi1: netisr 0]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100067                   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    0xfffffe0053de5000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83d76d60  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83c05a20  [swapper]
100005                   D       -       0xfffffe0053e15000  [if_io_tqg_0]
100006                   D       -       0xfffffe0053e14e00  [if_io_tqg_1]
100007                   D       -       0xfffffe0053e14d00  [if_config_tqg_0]
100008                   D       -       0xfffffe0053e14c00  [softirq_0]
100009                   D       -       0xfffffe0053e14b00  [softirq_1]
100010                   D       -       0xfffffe00081db000  [kqueue_ctx taskq]
100011                   D       -       0xfffffe00081dae00  [pci_hp taskq]
100012                   D       -       0xfffffe00081dad00  [linuxkpi_irq_wq]
100015                   D       -       0xfffffe00081daa00  [aiod_kick taskq]
100016                   D       -       0xfffffe00081da900  [inm_free taskq]
100017                   D       -       0xfffffe00081da800  [in6m_free taskq]
100018                   D       -       0xfffffe00081da700  [deferred_unmount ta]
100019                   D       -       0xfffffe00081da600  [thread taskq]
100021                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00081da400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00081da300  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0053f6b300  [firmware taskq]
100039                   D       -       0xfffffe0053f6a800  [crypto_0]
100040                   D       -       0xfffffe0053f6a800  [crypto_1]
100056                   D       -       0xfffffe0053f69e00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0053f69d00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0053f69c00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0053f69b00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe00571a0600  [virtio_balloon]
100065                   D       -       0xffffffff82b4a020  [deadlkres]
100070                   D       -       0xfffffe00081db100  [mca taskq]
100071                   D       -       0xfffffe0053f69900  [acpi_task_0]
100072                   D       -       0xfffffe0053f69900  [acpi_task_1]
100073                   D       -       0xfffffe0053f69900  [acpi_task_2]
100074                   D       -       0xfffffe0053f6a100  [CAM taskq]
79167   787   787     0  Z                                   syz-executor.2
db> show all locks
Process 79170 (syz-executor.0) thread 0xfffffe0053ea2c80 (100085)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe009f316bb8) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3339
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe0053c437d0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3338
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffffe009f316bd8) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3337
Process 790 (syz-executor.3) thread 0xfffffe009f2b1e40 (100126)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe009f2c4930) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_cache.c:4497
Process 12 (intr) thread 0xfffffe0053ee6560 (100032)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe009f47d1a0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1326
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            6         4801K            6
            devbuf         4213         4323K         4241
         sysctloid        35462         2089K        35533
             vtbuf           24         1968K           46
              kobj          322         1288K          481
            newblk            9         1026K        78789
          vfscache            3         1025K            3
          inodedep         1246          979K        78265
               pcb          379          934K       463360
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
         sctp_timw         1330          333K         1330
            dirrem         1236          309K        78180
              vmem            3          274K            5
           subproc          128          248K        79245
            acpica         1674          184K        56282
         sctp_stro          172          172K       153491
         vnet_data            1          168K            1
          freefile         1235          155K        78177
         sctp_atcl          404          152K       613549
           tidhash            3          141K            3
            linker          353          134K          381
           pagedep           10          131K        78192
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          126
               sem            4          106K            4
          filedesc           14          105K       156372
               BPF           46           88K           46
               bus          973           80K         3426
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          505           64K          505
              umtx          352           44K          352
           kdtrace          207           42K       157494
              temp           34           33K         2412
            DEVFS3          128           32K          138
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
         sctp_stri           52           26K       153072
        gtaskqueue           18           26K           18
         sctp_atky          576           25K       691702
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
          routetbl          130           16K          410
            bus-sc           34           15K         1651
            KTRACE          100           13K          100
       ether_multi          152           13K          162
             ifnet            7           13K            7
           lltable           39           12K           43
              kenv           95           12K           95
      eventhandler          136           12K          136
              cred           41           11K          309
         CAM queue            5           11K         1528
              GEOM           61           10K          490
              rman           84           10K          425
         in6_multi           65            9K           65
         bmsafemap            2            9K        78232
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
         sctp_athm          404            7K       613549
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          486
            kqueue           57            6K        79178
          sctp_map          344            6K       306982
       ufs_dirhash           24            5K           24
               UMA          272            5K          272
           session           35            5K           55
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
             selfd           55            4K        12338
             lockf           32            4K           60
         proc-args           90            4K        80554
             hhook           15            4K           17
           pwddesc           53            4K        79172
          terminal           11            3K           11
            select           19            3K           59
           uidinfo            3            3K           13
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
            Unitno           31            2K           47
          sctp_ifa           13            2K           14
           CAM XPT           22            2K          543
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
            DEVFSP           16            1K           21
           softdep            1            1K            1
             mkdir            8            1K       156342
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           72
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          freework            4            1K        78181
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
            diradd            6            1K        78222
          freeblks            3            1K        78180
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            5            1K           18
         newdirblk            4            1K        78171
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           14            1K          231
    chacha20random            1            1K            1
               osd            7            1K           18
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
            CC Mem            3            1K            7
        loginclass            3            1K            7
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
             xform            2            1K           49
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K       159978
          filecaps            5            1K          120
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           51
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K           10
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           10
         sctp_aadr            0            0K            0
           filemon            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
               ixl            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
          xen_intr            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
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          savedino            0            0K        48231
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            statfs            0            0K        78375
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ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       13444       0     254   38494208        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8961     702     1781302       0     254    2473728        0
        malloc-384    384    1259    3721       78299       0      30    1912320        0
         sctp_asoc   2288     172     593      153491       0     254    1750320        0
          BUF TRIE    144     193   11595        1131       0      62    1697472        0
        malloc-384    384    4117      53        4118       0      30    1601280        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11740     257       90154       0     126    1535616        0
       malloc-4096   4096     323       3         483       0       2    1335296        0
        malloc-256    256    1327    3698      235124       0      62    1286400        0
        malloc-256    256      35    4810       48328       0      62    1240320        0
       UMA Slabs 0    112   10977      33       10977       0     126    1233120        0
         vmem btag     56   19400     151       19400       0     254    1094856        0
           sctp_ep   1208     180     590      231648       0     254     930160        0
        malloc-128    128    2454    3870      104566       0     126     809472        0
            socket    960      42     722      233178       0     254     733440        0
        RADIX NODE    144    4069     490     1642734       0      64     656496        0
         FFS inode   1160     519      27       78696       0       8     633360        0
        sctp_raddr    736     176     594      153491       0     254     566720        0
         VM OBJECT    264    1941     189     1672876       0      30     562320        0
             tcpcb   1096       3     508           7       0     254     560056        0
        256 Bucket   2048     182      28        3435       0       8     430080        0
       malloc-2048   2048     184      24      231656       0       8     425984        0
          lkpicurr    168       2    2350           2       0      62     395136        0
      malloc-65536  65536       6       0           6       0       1     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
        malloc-256    256    1371      69       80951       0      62     368640        0
            THREAD   1808     151      25       78321       0       8     318208        0
         MAP ENTRY     96    2577     573     3159667       0     126     302400        0
             VNODE    448     554     112       78733       0      30     298368        0
         malloc-64     64    3997     602       83196       0     254     294336        0
       malloc-4096   4096      55       7       79172       0       2     253952        0
         malloc-16     16   14670     330       14738       0     254     240000        0
             ripcb    448       5     508          11       0     254     229824        0
         tcp_inpcb    448       3     510           7       0     254     229824        0
         udp_inpcb    448       6     507         213       0     254     229824        0
      malloc-16384  16384       8       6       78200       0       1     229376        0
       malloc-1024   1024     176      48      153648       0      16     229376        0
            DEVCTL   1024       0     220         154       0       0     225280        0
        malloc-256    256     202     668       79107       0      62     222720        0
        malloc-384    384     420      90      613569       0      30     195840        0
       mbuf_packet    256      67     695      463589       0     254     195072        0
         UMA Zones    768     244       0         244       0      16     187392        0
         malloc-32     32    5470     200        5617       0     254     181440        0
        malloc-128    128    1065     330      161814       0     126     178560        0
     FPU_save_area    832     153      45       78423       0      16     164736        0
       FFS2 dinode    256     519     111       78696       0      62     161280        0
        malloc-256    256     447     183      310355       0      62     161280        0
       S VFS Cache    104    1024     497       79225       0     126     158184        0
        sctp_chunk    152     396     644      311497       0     254     158080        0
         64 Bucket    512     218      78       32247       0      30     151552        0
        128 Bucket   1024      91      56       14112       0      16     150528        0
       malloc-1024   1024     133      11         150       0      16     147456        0
       malloc-4096   4096      33       1          44       0       2     139264        0
           VMSPACE   2552      38      16       79157       0       4     137808        0
      malloc-65536  65536       0       2         198       0       1     131072        0
       malloc-2048   2048       7      57        1039       0       8     131072        0
             unpcb    256      20     490        1259       0     254     130560        0
        sctp_readq    152       8     772      149766       0     254     118560        0
          ksiginfo    112      64     980         181       0     126     116928        0
         malloc-64     64     781     794      308603       0     254     100800        0
             g_bio    408       0     240        8950       0      30      97920        0
              PROC   1352      54      18       79171       0       8      97344        0
         32 Bucket    256     188     187       34770       0      62      96000        0
         filedesc0   1072      54      30       79172       0       8      90048        0
          UMA Kegs    384     230       3         230       0      30      89472        0
            clpbuf   2624       0      32          20       0      16      83968        0
        malloc-512    512      63      89      153132       0      30      77824        0
       malloc-8192   8192       8       1          10       0       1      73728        0
        malloc-128    128     326     201         420       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1         136       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       0       1           8       0       1      65536        0
       malloc-8192   8192       5       3          33       0       1      65536        0
sctp_stream_msg_out    112       0     540      156292       0     254      60480        0
         malloc-64     64      86     733       79921       0     254      52416        0
         malloc-64     64     501     318       12979       0     254      52416        0
         malloc-64     64     281     538       79450       0     254      52416        0
        malloc-128    128      53     350         307       0     126      51584        0
           ttyoutq    256      72     123         160       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       1      47      327952       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-1024   1024      10      38        1810       0      16      49152        0
            da_ccb    544       0      84        2352       0      16      45696        0
          syncache    168       0     264           5       0     254      44352        0
         malloc-32     32     655     731      389514       0     254      44352        0
             Files     80     170     380      243061       0     126      44000        0
       malloc-4096   4096       4       6          10       0       2      40960        0
       malloc-4096   4096       4       6       79000       0       2      40960        0
       malloc-4096   4096       7       3          14       0       2      40960        0
            pcpu-8      8    4734     386        4890       0     254      40960        0
        sctp_laddr     48       0     840      452040       0     254      40320        0
          4 Bucket     48       6     834        1760       0     254      40320        0
              pipe    744      23      27         402       0      16      37200        0
               PWD     32      19    1115       78277       0     254      36288        0
         malloc-64     64      33     534          33       0     254      36288        0
         malloc-64     64      38     529       16094       0     254      36288        0
         malloc-64     64     115     452         125       0     254      36288        0
        malloc-128    128      14     265          14       0     126      35712        0
        malloc-128    128      31     248          80       0     126      35712        0
        malloc-128    128      65     214       78375       0     126      35712        0
     routing nhops    256      27     108          34       0      62      34560        0
        malloc-384    384      72      18         110       0      30      34560        0
        malloc-384    384      50      40          52       0      30      34560        0
        malloc-384    384      76      14          76       0      30      34560        0
        malloc-256    256       5     130       78249       0      62      34560        0
        malloc-256    256      34     101         373       0      62      34560        0
        malloc-256    256      21     114         278       0      62      34560        0
         TURNSTILE    136     177      75         177       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       0       1         120       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           2       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       3       1         104       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       2      14           2       0       8      32768        0
       malloc-2048   2048       3      13          76       0       8      32768        0
       malloc-2048   2048       4      12          28       0       8      32768        0
       malloc-2048   2048       9       7         200       0       8      32768        0
       malloc-1024   1024       0      32           9       0      16      32768        0
       malloc-1024   1024       6      26          27       0      16      32768        0
       malloc-1024   1024       8      24           8       0      16      32768        0
       malloc-1024   1024       2      30           2       0      16      32768        0
        malloc-512    512      11      53          11       0      30      32768        0
           pcpu-64     64     479      33         479       0     254      32768        0
             KNOTE    160      26     174      476704       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
          8 Bucket     80      47     353       12444       0     126      32000        0
            cpuset    104       7     272           7       0     126      29016        0
         malloc-32     32     155     727      235048       0     254      28224        0
         16 Bucket    144      58     138        1875       0      62      28224        0
          2 Bucket     32      56     826        7421       0     254      28224        0
       malloc-4096   4096       2       4           5       0       2      24576        0
           rtentry    176      30     108          34       0      62      24288        0
              PGRP     88      35     241          55       0     126      24288        0
    ertt_txseginfo     40       0     606         317       0     254      24240        0
          rl_entry     40      52     554          52       0     254      24240        0
         malloc-16     16     736     764      719287       0     254      24000        0
        malloc-384    384       1      59         341       0      30      23040        0
        SLEEPQUEUE     88     177      79         177       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624         213       0     254      20160        0
         udp_inpcb     32       3     627          40       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
         malloc-32     32       7     623          23       0     254      20160        0
         malloc-32     32      21     609          36       0     254      20160        0
         malloc-32     32      55     575         985       0     254      20160        0
         malloc-32     32      83     547         159       0     254      20160        0
         malloc-32     32      16     614          45       0     254      20160        0
         malloc-16     16     418     832      307523       0     254      20000        0
       Mountpoints   2752       2       5           2       0       4      19264        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       0       1         160       0       1      16384        0
       malloc-2048   2048       0       8          50       0       8      16384        0
       malloc-1024   1024       9       7          10       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       2      30         204       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
        malloc-512    512       1      31           1       0      30      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        1045       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
         tcp_inpcb     32       1     377           1       0     254      12096        0
         malloc-16     16       5     745           6       0     254      12000        0
         malloc-16     16       7     743          86       0     254      12000        0
         malloc-16     16     192     558        1373       0     254      12000        0
         malloc-16     16      38     712         164       0     254      12000        0
         malloc-16     16       6     744          22       0     254      12000        0
        malloc-384    384       0      30           1       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
      vtnet_tx_hdr     24       0     334        1805       0     254       8016        0
           pcpu-16     16       7     249           7       0     254       4096        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       0       0           0       0     254          0        0
      tcp_rack_pcb    896       0       0           0       0      16          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
             ripcb     32       0       0           0       0     254          0        0
     udplite_inpcb     32       0       0           0       0     254          0        0
     udplite_inpcb    448       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     72       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-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
           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
db> 

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/12/22 21:52 freebsd-src be0b80b84550 6caa12e4 console log report syz panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-main 2022/04/30 01:34 freebsd-src 2f6362484c0e ad6b95d8 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-main 2022/03/18 09:46 freebsd-src 24cf089ab488 7c337266 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-i386 2022/05/06 02:09 freebsd-src 6a50157090f2 efeff0a5 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-i386 2022/03/05 22:51 freebsd-src 25375b1415f8 7c337266 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-i386 2022/02/27 15:49 freebsd-src be7cf3f4b8c2 7c337266 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-main 2022/02/09 11:29 freebsd-src ff5025d10450 0b33604d console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-main 2022/01/14 05:11 freebsd-src d106f982a54c b8d780ab console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-main 2021/12/22 18:43 freebsd-src be0b80b84550 6caa12e4 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-main 2021/10/29 13:18 freebsd-src 680920237bdd 098b5d53 console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-i386 2022/02/11 14:55 freebsd-src f0000eb41d30 0b33604d console log report panic: sctp_inpcb_free: inp ADDR still has socket
ci-freebsd-i386 2022/01/11 12:36 freebsd-src bec766282f24 1884f55a console log report panic: sctp_inpcb_free: inp ADDR still has socket
* Struck through repros no longer work on HEAD.