syzbot


panic: 1 chunks left for stream 0.

Status: auto-closed as invalid on 2021/08/25 17:29
Reported-by: syzbot+1c11756cafabdb7413c5@syzkaller.appspotmail.com
First crash: 1274d, last: 1274d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: 2 chunks left for stream 0. 1 1227d 1227d 0/2 auto-closed as invalid on 2021/10/11 07:57

Sample crash report:
panic: 1 chunks left for stream 0.
cpuid = 1
time = 1622136486
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0003783160
vpanic() at vpanic+0x1c7/frame 0xfffffe00037831c0
panic() at panic+0x43/frame 0xfffffe0003783220
sctp_free_assoc() at sctp_free_assoc+0x2926/frame 0xfffffe00037832b0
sctp_process_control() at sctp_process_control+0x90ad/frame 0xfffffe0003783740
sctp_common_input_processing() at sctp_common_input_processing+0x7d0/frame 0xfffffe00037838c0
sctp_input_with_port() at sctp_input_with_port+0x30a/frame 0xfffffe00037839b0
sctp_input() at sctp_input+0x1f/frame 0xfffffe00037839d0
ip_input() at ip_input+0x38b/frame 0xfffffe0003783a90
swi_net() at swi_net+0x20d/frame 0xfffffe0003783b10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe0003783bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe0003783bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0003783bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100030 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1636cfe(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xffffffff8113b1e0  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe0003783140
rbp         0xfffffe0003783160
rsi                          0
rdi         0xffffffff8113b216  vprintf+0x176
r8                           0
r9          0x8080808080808080
r10         0xfffffe0003783030
r11              0x1fffcfff59c
r12         0xffffffff82267b90  ddb_dbbe
r13                          0
r14         0xffffffff81a78090
r15         0xffffffff81a78090
rip         0xffffffff81132207  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x1636cfe(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004c62a60:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8271c430
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8271c430 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8271d090
   (map 0xffffffff8271d090)
   (map.pmap 0xffffffff8271d150)
   (pmap 0xffffffff8271d1b0)
 threads: 23
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100017                   I                                   [swi6: Giant taskq]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
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                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   I                                   [swi1: hpts]
100085                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
77195   783   783     0  T       (threaded)                  syz-executor.0
140108                   RunQ                                syz-executor.0
77194   791   791     0  T       (threaded)                  syz-executor.3
164097                   RunQ                                syz-executor.3
77193   784   784     0  R       (threaded)                  syz-executor.1
178465                   S       nanslp  0xffffffff8273c660  syz-executor.1
184637                   S       uwait   0xfffff8005aa49b00  syz-executor.1
184644                   Run     CPU 0                       syz-executor.1
184645                   S       uwait   0xfffff8005a503900  syz-executor.1
77191   787   787     0  S       (threaded)                  syz-executor.2
147063                   S       nanslp  0xffffffff8273c660  syz-executor.2
184635                   S       uwait   0xfffff8005aac6100  syz-executor.2
184638                   S       uwait   0xfffff8005af24b00  syz-executor.2
184639                   S       uwait   0xfffff8005257cb00  syz-executor.2
184640                   S       uwait   0xfffff8005aef2b00  syz-executor.2
74280     1   784     0  S       uwait   0xfffff80052482300  syz-executor.1
74279     1   784     0  S       uwait   0xfffff8005a544100  syz-executor.1
74278     1   784     0  S       uwait   0xfffff8005a544f00  syz-executor.1
74277     1   784     0  S       uwait   0xfffff80052000300  syz-executor.1
72515     1   784     0  S       uwait   0xfffff8005ad6f300  syz-executor.1
72514     1   784     0  S       uwait   0xfffff80015cbaf00  syz-executor.1
71053     1   787     0  S       uwait   0xfffff8005ad3e300  syz-executor.2
71047     1   787     0  S       uwait   0xfffff8005ad1e700  syz-executor.2
67564     1   784     0  S       uwait   0xfffff800523e9f00  syz-executor.1
67563     1   784     0  S       uwait   0xfffff8005257cd00  syz-executor.1
51391     1   787     0  S       uwait   0xfffff8005aefb700  syz-executor.2
51383     1   787     0  S       uwait   0xfffff8005ad1ed00  syz-executor.2
51372     1   787     0  S       uwait   0xfffff8005a969300  syz-executor.2
51365     1   787     0  S       uwait   0xfffff8005ad3e500  syz-executor.2
51354     1   787     0  S       uwait   0xfffff80052011500  syz-executor.2
51353     1   787     0  S       uwait   0xfffff8005a962300  syz-executor.2
44002     1   784     0  S       uwait   0xfffff80052000900  syz-executor.1
44001     1   784     0  S       uwait   0xfffff80015d14500  syz-executor.1
40247     1   783     0  SV      uwait   0xfffff80015d6df00  syz-executor.0
40246     1   783     0  SV      uwait   0xfffff8005ad3e100  syz-executor.0
40218     1   791     0  SV      uwait   0xfffff8005a4a2900  syz-executor.3
40217     1   791     0  SV      uwait   0xfffff8005af24700  syz-executor.3
40136     1   783     0  S       uwait   0xfffff800521bbb00  syz-executor.0
40135     1   783     0  S       uwait   0xfffff8005a969f00  syz-executor.0
40063 40062   783     0  SV      uwait   0xfffff8005201ad00  syz-executor.0
40062     1   783     0  DV      ppwait  0xfffff800522a2a10  syz-executor.0
39971 39969   783     0  SV      uwait   0xfffff8005a962b00  syz-executor.0
39969     1   783     0  DV      ppwait  0xfffff800603daf40  syz-executor.0
39944     1   783     0  S       uwait   0xfffff80052319f00  syz-executor.0
39936     1   783     0  S       uwait   0xfffff8005201a900  syz-executor.0
39790     1   783     0  S       uwait   0xfffff8005201a700  syz-executor.0
39788     1   783     0  S       uwait   0xfffff80052011300  syz-executor.0
39753     1   783     0  SV      uwait   0xfffff8005a962900  syz-executor.0
39751 39750   783     0  S       uwait   0xfffff800523e9300  syz-executor.0
39750     1   783     0  SV      uwait   0xfffff800523e9b00  syz-executor.0
39749     1   783     0  S       uwait   0xfffff8005201a100  syz-executor.0
39037     1   784     0  S       uwait   0xfffff80015d14b00  syz-executor.1
39031     1   784     0  S       uwait   0xfffff80052000d00  syz-executor.1
39030     1   784     0  S       uwait   0xfffff8005201a300  syz-executor.1
39029     1   784     0  S       uwait   0xfffff800523e9d00  syz-executor.1
39028     1   784     0  S       uwait   0xfffff8005a503d00  syz-executor.1
38973     1 38963     0  S       uwait   0xfffff80052000100  syz-executor.1
38965     1   784     0  S       uwait   0xfffff80015cbab00  syz-executor.1
38923 38922 38922     0  SV      uwait   0xfffff80052482b00  syz-executor.2
38922     1 38922     0  DV      ppwait  0xfffff800602f2f40  syz-executor.2
38885     1   787     0  SV      uwait   0xfffff8005aa49900  syz-executor.2
38884     1   787     0  SV      uwait   0xfffff8005af24100  syz-executor.2
38779 38778   787     0  SV      uwait   0xfffff8005a994300  syz-executor.2
38778     1   787     0  DV      ppwait  0xfffff800523934e0  syz-executor.2
38765     1   784     0  S       uwait   0xfffff8005aa49700  syz-executor.1
38764     1   784     0  S       uwait   0xfffff80052042f00  syz-executor.1
38720     1   787     0  S       uwait   0xfffff80015a7c100  syz-executor.2
38685     1   787     0  S       uwait   0xfffff8005a3f1700  syz-executor.2
38684     1   787     0  S       uwait   0xfffff8005afa4700  syz-executor.2
38639     1   784     0  SV      uwait   0xfffff8005afa4900  syz-executor.1
38638     1   784     0  SV      uwait   0xfffff8005a470d00  syz-executor.1
38635 38633   791     0  SV      uwait   0xfffff800521bbf00  syz-executor.3
38633     1   791     0  DV      ppwait  0xfffff8005ad9c4e0  syz-executor.3
26533 26532 26532     0  SV      uwait   0xfffff800524df700  syz-executor.0
26532     1 26532     0  DV      ppwait  0xfffff80063921a10  syz-executor.0
20486     1 20486    65  Ss      select  0xfffff80063577ec0  dhclient
16990     1   791     0  SV      uwait   0xfffff8005afa4500  syz-executor.3
16989     1   791     0  SV      uwait   0xfffff8005af24300  syz-executor.3
16582     1 16582     0  Ss      select  0xfffff8006366b8c0  dhclient
16579     1 16579     0  Ss      select  0xfffff8006366bec0  dhclient
16560     1 16560    65  Ss      select  0xfffff8006344b740  dhclient
14441     1 14441     0  Ss      select  0xfffff8006344ba40  dhclient
14438     1 14438     0  Ss      select  0xfffff80063577d40  dhclient
14419     1 14419    65  Ss      select  0xfffff8006344bbc0  dhclient
11164     1 11164     0  Ss      select  0xfffff8005ad01740  dhclient
11153     1 11153     0  Ss      select  0xfffff80052476740  dhclient
11115     1 11115    65  Ss      select  0xfffff8006344bd40  dhclient
 1294     1  1294     0  Ss      select  0xfffff8005a31cec0  dhclient
 1291     1  1291     0  Ss      select  0xfffff80052099ec0  dhclient
 1150     1   791     0  SV      uwait   0xfffff8005201a500  syz-executor.3
 1142     1   791     0  SV      uwait   0xfffff8005201af00  syz-executor.3
 1040     1   783     0  S       uwait   0xfffff8005a994100  syz-executor.0
 1034     1   783     0  S       uwait   0xfffff8005afa4f00  syz-executor.0
 1027     1   783     0  S       uwait   0xfffff8005ad42500  syz-executor.0
 1013     1   791     0  S       uwait   0xfffff8005ad42900  syz-executor.3
 1009     1   791     0  S       uwait   0xfffff8005ad42100  syz-executor.3
 1004     1   791     0  S       uwait   0xfffff8005ad42700  syz-executor.3
 1000     1   791     0  S       uwait   0xfffff8005ad42b00  syz-executor.3
  995     1   791     0  S       uwait   0xfffff8005ad3eb00  syz-executor.3
  989     1   791     0  S       uwait   0xfffff8005ae6fb00  syz-executor.3
  985     1   791     0  S       uwait   0xfffff80015cc2300  syz-executor.3
  981     1   791     0  S       uwait   0xfffff8005ae6ff00  syz-executor.3
  979     1   787     0  S       uwait   0xfffff8005ae6fd00  syz-executor.2
  975     1   791     0  S       uwait   0xfffff8005ad3e900  syz-executor.3
  974     1   784     0  S       uwait   0xfffff8005ad42300  syz-executor.1
  969     1   791     0  S       uwait   0xfffff8005a470500  syz-executor.3
  968     1   787     0  S       uwait   0xfffff80015cb4900  syz-executor.2
  966     1   784     0  S       uwait   0xfffff8005ad3ed00  syz-executor.1
  960     1   784     0  S       uwait   0xfffff8005ad3ef00  syz-executor.1
  954     1   784     0  S       uwait   0xfffff8005a547900  syz-executor.1
  953     1   787     0  S       uwait   0xfffff80015cba700  syz-executor.2
  945     1   787     0  S       uwait   0xfffff8005a470b00  syz-executor.2
  942     1   787     0  S       uwait   0xfffff8005a470300  syz-executor.2
  936     1   784     0  S       uwait   0xfffff8005a547100  syz-executor.1
  934     1   787     0  S       uwait   0xfffff8005a547700  syz-executor.2
  925     1   784     0  S       uwait   0xfffff8005a470700  syz-executor.1
  924     1   787     0  S       uwait   0xfffff8005a994900  syz-executor.2
  919     1   784     0  S       uwait   0xfffff8005a547d00  syz-executor.1
  913     1   784     0  S       uwait   0xfffff8005a547500  syz-executor.1
  911     1   787     0  S       uwait   0xfffff8005a470100  syz-executor.2
  902     1   784     0  S       uwait   0xfffff80015d14300  syz-executor.1
  898     1   787     0  S       uwait   0xfffff8005a994500  syz-executor.2
  893     1   784     0  S       uwait   0xfffff8005abd1f00  syz-executor.1
  892     1   787     0  S       uwait   0xfffff8005a994d00  syz-executor.2
  885     1   787     0  S       uwait   0xfffff8005abd1d00  syz-executor.2
  880     1   787     0  S       uwait   0xfffff8005a470900  syz-executor.2
  870   867   784     0  SV      uwait   0xfffff8005a994b00  syz-executor.1
  867     1   784     0  DV      ppwait  0xfffff8005ad47f40  syz-executor.1
  791   780   791     0  Ss      nanslp  0xffffffff8273c660  syz-executor.3
  787   780   787     0  Rs                                  syz-executor.2
  784   780   784     0  Rs                                  syz-executor.1
  783   780   783     0  Ss      nanslp  0xffffffff8273c660  syz-executor.0
  780   778   778     0  R       (threaded)                  syz-fuzzer
100110                   S       uwait   0xfffff80015a7c300  syz-fuzzer
100116                   RunQ                                syz-fuzzer
100117                   S       uwait   0xfffff80015cb4700  syz-fuzzer
100118                   S       uwait   0xfffff80015cb4d00  syz-fuzzer
100119                   S       uwait   0xfffff80015cb7f00  syz-fuzzer
100121                   RunQ                                syz-fuzzer
100120                   S       uwait   0xfffff8005a470f00  syz-fuzzer
100122                   RunQ                                syz-fuzzer
102174                   S       uwait   0xfffff80052482900  syz-fuzzer
142992                   S       uwait   0xfffff800521bbd00  syz-fuzzer
180377                   S       uwait   0xfffff8005aef2f00  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffff80015d305e0  csh
  776   694   776     0  Ss      select  0xfffff8005a3b6bc0  sshd
  760     1   760     0  Ss+     ttyin   0xfffff800153e7cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80015a7e4b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80015a7ecb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80015a824b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80015a82cb0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80015a084b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80015a08cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80015a0e4b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80015a0ecb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8273c661  cron
  694     1   694     0  Ss      select  0xfffff8005a2d5a40  sshd
  507     1   507     0  Ss      select  0xfffff8005a237d40  syslogd
  436     1   436     0  Ss      select  0xfffff80015de3440  devd
  435     1   435    65  Ss      select  0xfffff8005a2cc2c0  dhclient
  350     1   350     0  Ss      select  0xfffff8005a304a40  dhclient
  347     1   347     0  Ss      select  0xfffff8005a3048c0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80015c22530  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff8282ba50  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100081                   D       qsleep  0xffffffff8282ab20  [bufdaemon]
100088                   D       -       0xffffffff8220ae80  [bufspacedaemon-0]
100098                   D       sdflush 0xfffff80015e46ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82852988  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100079                   D       psleep  0xffffffff82846df8  [dom0]
100086                   D       launds  0xffffffff82846e04  [laundry: dom0]
100087                   D       umarcl  0xffffffff815cf660  [uma]
   18     0     0     0  DL      -       0xffffffff82570a08  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff83060828  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82eb43c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff828281dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff828281dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff828281dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff828281dc  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff82447ec0  [doneq0]
100045                   D       -       0xffffffff82447e40  [async]
100078                   D       -       0xffffffff82447d10  [scanner]
   14     0     0     0  DL      seqstat 0xfffff80004dd2488  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004d9cf80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004d9cf30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff828442e0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff8271bea0  [g_event]
100036                   D       -       0xffffffff8271bea8  [g_up]
100037                   D       -       0xffffffff8271beb0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffff8000443f900  [thr_0]
100029                   D       -       0xfffff8000443f980  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100017                   I                                   [swi6: Giant taskq]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   I                                   [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
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                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   I                                   [swi1: hpts]
100085                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004bc9530  [init]
   10     0     0     0  DL      audit_w 0xffffffff828447f0  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8271c430  [swapper]
100005                   D       -       0xfffff80004c67d00  [softirq_0]
100006                   D       -       0xfffff80004c67900  [softirq_1]
100007                   D       -       0xfffff80004c67500  [if_io_tqg_0]
100008                   D       -       0xfffff80004c67100  [if_io_tqg_1]
100009                   D       -       0xfffff80004c65d00  [if_config_tqg_0]
100010                   D       -       0xfffff80004c64d00  [in6m_free taskq]
100011                   D       -       0xfffff80004c64900  [aiod_kick taskq]
100013                   D       -       0xfffff80004c64100  [kqueue_ctx taskq]
100014                   D       -       0xfffff80004c5bd00  [pci_hp taskq]
100016                   D       -       0xfffff80004c5b500  [inm_free taskq]
100018                   D       -       0xfffff80004c56d00  [linuxkpi_irq_wq]
100019                   RunQ                                [thread taskq]
100020                   D       -       0xfffff80004c56500  [linuxkpi_short_wq_0]
100021                   D       -       0xfffff80004c56500  [linuxkpi_short_wq_1]
100022                   D       -       0xfffff80004c56500  [linuxkpi_short_wq_2]
100023                   D       -       0xfffff80004c56500  [linuxkpi_short_wq_3]
100024                   D       -       0xfffff80004c56100  [linuxkpi_long_wq_0]
100025                   D       -       0xfffff80004c56100  [linuxkpi_long_wq_1]
100026                   D       -       0xfffff80004c56100  [linuxkpi_long_wq_2]
100027                   D       -       0xfffff80004c56100  [linuxkpi_long_wq_3]
100034                   D       -       0xfffff80004d2ed00  [firmware taskq]
100038                   D       -       0xfffff80004d2e900  [crypto_0]
100039                   D       -       0xfffff80004d2e900  [crypto_1]
100055                   D       -       0xfffff80004d2e100  [vtnet0 rxq 0]
100056                   D       -       0xfffff80015347d00  [vtnet0 txq 0]
100057                   D       -       0xfffff80015347900  [vtnet0 rxq 1]
100058                   D       -       0xfffff80015347500  [vtnet0 txq 1]
100060                   D       vtbslp  0xfffff800153a2b00  [virtio_balloon]
100064                   D       -       0xfffff80015347100  [mca taskq]
100066                   D       -       0xffffffff81e24a91  [deadlkres]
100074                   D       -       0xfffff80015a15d00  [acpi_task_0]
100075                   D       -       0xfffff80015a15d00  [acpi_task_1]
100076                   D       -       0xfffff80015a15d00  [acpi_task_2]
100077                   D       -       0xfffff80004d2e500  [CAM taskq]
db> show all locks
Process 12 (intr) thread 0xfffffe00042b8000 (100030)
exclusive sleep mutex sctp-send-tcb (tcbs) r = 0 (0xfffffe009e1523a0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4841
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe009e152380) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4840
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe00041b1390) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4838
Process 0 (kernel) thread 0xfffffe00042b1000 (100019)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff827862c0) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff82202b00) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
         sctp_stro          285        12870K        52156
         sysctloid        34288        12858K        34355
           pf_hash            5        11560K            5
            devbuf         4216         6982K         4244
               pcb          726         3755K       262009
          filedesc          218         3513K       152253
          tcp_hpts            5         3219K            5
              kobj          328         2624K          488
             vtbuf           24         2064K           46
           pf_rule          510         2040K         4163
           subproc          345         1493K        77402
          inodedep          623         1142K        76253
          vfscache            3         1035K            3
            newblk            5         1034K        77365
            acpica         1674          649K        54692
         sctp_atcl          635          635K       184219
           callout            2          528K            2
         ufs_quota            1          520K            1
          vfs_hash            1          520K            1
              intr            4          480K            4
               bus          990          378K         3485
         sctp_atky          922          346K       243294
               BPF           46          337K           46
           kdtrace          433          331K       161844
            dirrem          614          307K        76144
            linker          348          270K          433
              umtx          550          241K          550
         sctp_athm          635          239K       188259
          freefile          614          231K        76067
            DEVFS1          107          214K          124
          sctp_map          570          214K        98102
            module          512          192K          512
         sctp_timw          373          187K          373
         vnet_data            1          176K            1
           tidhash            3          164K            3
           pagedep            9          140K        76058
              temp           50          137K        18775
        tfo_ccache            1          136K            1
               sem            4          120K            4
              vmem            3          120K            8
               UMA          270          102K          270
     audit_evclass          236           89K          294
          mtx_pool            2           80K            2
          syncache            1           76K            1
          routetbl          132           71K         3601
            kqueue          166           70K        77335
               msg            4           68K            4
            ifaddr           71           67K           73
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            DEVFS3          126           63K          136
           pwddesc          163           62K        77194
              cred           61           61K          472
       ether_multi          157           59K          167
        gtaskqueue           18           57K           18
        DEVFS_RULE           56           54K           56
              kenv           95           52K           95
      eventhandler          133           50K          133
           ithread           99           43K           99
              rman           84           42K          425
               shm            2           40K           89
            KTRACE          101           38K          102
           lltable           42           36K          228
         taskqueue           60           36K           60
              proc            3           34K            3
         ufs_mount            5           34K            6
            bus-sc           33           34K         1696
           devstat            4           33K            4
         hostcache            1           32K            1
               tty           16           32K           16
            DEVFSP           82           31K         1722
         in6_multi           71           31K           71
              GEOM           60           29K          489
            kbdmux            6           28K            6
             ifnet            7           25K            7
            plimit           24           24K          580
          kcovinfo           64           24K           68
         CAM queue            5           21K         1528
             selfd           55           21K       976289
         pfs_nodes           20           20K           20
         proc-args           52           20K          780
           pf_osfp           48           18K           48
           session           36           18K          103
              UART           12           18K           12
              ksem            3           17K          882
         bmsafemap            2           17K        76220
               rpc            2           16K            2
             shmfd            1           16K           99
       pfs_vncache            1           16K            1
          pf_ifnet           22           15K          770
       ufs_dirhash           24           14K           24
       inpcbpolicy           36           14K        12026
            sglist            5           13K            5
             lockf           33           13K           90
               MCA           32           12K           32
           CAM DEV            3           12K          510
            Unitno           30           12K          113
                vt           11           11K           11
               osd           29           11K         7279
           acpisem           28           11K           28
           CAM XPT           22           11K          543
           uidinfo            3            9K           21
           memdesc            1            8K            1
         ipsec-saq            2            8K            2
             evdev            4            8K            4
           acpidev           20            8K           20
             hhook           15            8K           17
            select           19            8K          184
             mount           16            7K          137
       fpukern_ctx            3            6K            3
          terminal           11            6K           11
          sctp_ifa           14            6K           15
            ip6ndp           12            6K           15
       ipsecpolicy            2            5K            2
 encap_export_host           12            5K           12
             clone            9            5K            9
        local_apic            1            4K            1
           io_apic            1            4K            1
            sahead            1            4K            1
          secasvar            1            4K            1
             nhops            6            4K            8
          pci_link           10            4K           10
               msi            9            4K            9
             DEVFS            9            4K           10
               tun            7            4K            7
             ipsec            3            3K            3
             mkdir            8            3K       152064
          in_multi            6            3K            8
          nexusdev            7            3K            7
            feeder            7            3K            7
          procdesc            5            3K           18
          sctp_ifn            6            3K           15
               mld            6            3K            6
              igmp            6            3K            6
         toponodes            6            3K            6
            prison            6            3K            6
            isadev            6            3K            6
           softdep            1            2K            1
       vnodemarker            2            2K          188
      NFSD session            1            2K            1
             linux            5            2K            6
        CAM periph            4            2K          271
          filecaps            5            2K          128
            crypto            4            2K          464
         newdirblk            4            2K        76032
            diradd            4            2K        76188
             xform            4            2K         2300
              pfil            4            2K            4
          CAM path            4            2K         1034
            soname            4            2K        86463
           tcpfunc            3            2K            3
        loginclass            3            2K            6
         sctp_stri            1            1K         9748
    chacha20random            1            1K            1
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
              cdev            2            1K            2
        aesni_data            2            1K            2
              cpus            2            1K            2
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
           entropy            2            1K           51
filedesc_to_leader            2            1K            3
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
          pmchooks            1            1K            1
          sctp_vrf            1            1K            1
            apmdev            1            1K            1
          freework            1            1K        76510
 CAM I/O Scheduler            1            1K            1
    vnet_data_free            1            1K            1
              vnet            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        74941
         sctp_iter            0            0K          309
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K          300
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K            9
         sctp_aadr            0            0K           22
          pf_table            0            0K          795
           pf_altq            0            0K            0
           pf_temp            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K         3043
            mqdata            0            0K            0
        dctcp data            0            0K           94
        cubic data            0            0K           86
          chd data            0            0K          460
         htcp data            0            0K           70
        vegas data            0            0K           63
          cdg data            0            0K          110
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xen_intr            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
          sysmouse            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
            vtfont            0            0K            0
     vm_fictitious            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           UMAHash            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K        47855
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K           91
           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        76041
          freefrag            0            0K            6
        allocindir            0            0K            0
          indirdep            0            0K           51
       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
            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
          ktls_ocf            0            0K            0
            twsbuf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            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
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            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          143
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            2
       in6_mfilter            0            0K            0
             frag6            0            0K            3
            tcplog            0            0K            0
        tcp_hwpace            0            0K            0
      twe_commands            0            0K            0
               LRO            0            0K            0
      newreno data            0            0K            5
        ip_msource            0            0K            0
       ip_moptions            0            0K            9
        in_mfilter            0            0K            1
              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            1
      twa_commands            0            0K            0
            statfs            0            0K        76351
     namei_tracker            0            0K            3
       export_host            0            0K            0
        cl_savebuf            0            0K           43
       tcp_log_dev            0            0K         1339
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         4269
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
          tempbuff            0            0K            0
          mbuf_tag            0            0K          189
ag_tgt_map_t malloc            0            0K            0
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
     STLock malloc            0            0K            0
          CCB List            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
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        60150
          ioctlops            0            0K        10915
           eventfd            0            0K            0
           Witness            0            0K            0
             stack            0            0K            0
            MPSSAS            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
              sbuf            0            0K          288
        md_sectors            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           md_disk            0            0K            0
              SWAP            0            0K            0
           malodev            0            0K            0
               LED            0            0K            0
         sysctltmp            0            0K         1031
            sysctl            0            0K            3
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            0
              rctl            0            0K            0
          ix_sriov            0            0K            0
        aacraidcam            0            0K            0
       aacraid_buf            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
             cache            0            0K            0
            iirbuf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K           12
               pwd            0            0K            0
       tty console            0            0K            0
            aaccam            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
         scsi_pass            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
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
         tmpfs dir            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
           NFS FHA            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
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8324     982      829105       0     254   38117376        0
       malloc-8192   8192     350    1850      128933       0       1   18022400        0
        malloc-384    384   34636      64     1240238       0      30   13324800        0
         sctp_asoc   2288     285    2385       49051       0     254    6108960        0
        malloc-384    384    2255   12455      579889       0      30    5648640        0
       malloc-1024   1024     668    4700       76300       0      16    5496832        0
       malloc-1024   1024     653    4403      195995       0      16    5177344        0
       malloc-2048   2048     283    2021       49064       0       8    4718592        0
       malloc-1024   1024    4178       6        4902       0      16    4284416        0
           tcp_log    416    3835    5345      230586       0     254    3818880        0
      malloc-32768  32768     109       4       76125       0       1    3702784        0
           sctp_ep   1280     349    2426      128932       0     254    3552000        0
              mbuf    256    9238    3287     5249066       0     254    3206400        0
        malloc-384    384    2733    4677      236828       0      30    2845440        0
        malloc-512    512     644    4908       76578       0      30    2842624        0
       malloc-1024   1024      86    2646       48128       0      16    2797568        0
       malloc-8192   8192     330       5        7480       0       1    2744320        0
       malloc-1024   1024     357    2287      129067       0      16    2707456        0
              pbuf   2624       0     989           0       0       2    2595136        0
       UMA Slabs 0    112   20955     786       21821       0     126    2434992        0
        malloc-384    384     846    4794      154415       0      30    2165760        0
       malloc-4096   4096     512       2        3594       0       2    2105344        0
        sctp_raddr    736     290    2482       78379       0     254    2040192        0
          BUF TRIE    144     190   13278        2443       0      62    1939392        0
        RADIX NODE    144   13079     358     1588156       0      64    1934928        0
      mbuf_cluster   2048     810       2         810       0     254    1662976        0
       malloc-8192   8192     169       4       77288       0       1    1417216        0
       tcp_bbr_map    128    7230    2318       84679       0     126    1222144        0
      malloc-16384  16384       1      55         221       0       1     917504        0
        malloc-384    384    2122      48       15526       0      30     833280        0
         FFS inode   1160     589      41       76660       0       9     730800        0
    ertt_txseginfo     40   13306    4167      222714       0     254     698920        0
         VM OBJECT    264    2571      39     1088852       0      30     689040        0
         MAP ENTRY     96    6414     516     4156613       0     127     665280        0
        malloc-512    512     628     572      157961       0      30     614400        0
            socket    944     128     516      142981       0     254     607936        0
            THREAD   1808     268       7       84647       0       8     497200        0
        256 Bucket   2048     188      24       28636       0       8     434176        0
         vmem btag     56    6476     208        6667       0     254     374304        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
       malloc-1024   1024     331      25       85231       0      16     364544        0
        sctp_chunk    152     203    2059      611324       0     254     343824        0
           VMSPACE   2544     127       8       77149       0       4     343440        0
      malloc-65536  65536       4       1         182       0       1     327680        0
      malloc-16384  16384      20       0          20       0       1     327680        0
             VNODE    448     627      66       76700       0      30     310464        0
         32 Bucket    256     812     373       63564       0      62     303360        0
        malloc-384    384     675      65      308509       0      30     284160        0
      malloc-16384  16384      14       2         277       0       1     262144        0
       malloc-2048   2048     119       7        1915       0       8     258048        0
        malloc-512    512     416      72        8826       0      30     249856        0
              PROC   1328     163      17       77195       0       8     239040        0
         tcp_inpcb    488      25     439        7267       0     254     226432        0
            DEVCTL   1024       0     216         132       0       0     221184        0
       malloc-4096   4096       5      49        5037       0       2     221184        0
       mbuf_packet    256      66     744      366321       0     254     207360        0
       malloc-1024   1024     193       3         220       0      16     200704        0
         filedesc0   1072     163      19       77194       0       8     195104        0
         UMA Zones    768     242       2         242       0      16     187392        0
         16 Bucket    144     796     408       19807       0      62     173376        0
      malloc-16384  16384       8       2         132       0       1     163840        0
       FFS2 dinode    256     589      11       76660       0      62     153600        0
       S VFS Cache    104    1088     355       78763       0     126     150072        0
             tcpcb   1064      25     115        7267       0     254     148960        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       1       1           2       0       1     131072        0
      malloc-32768  32768       2       2         151       0       1     131072        0
          ksiginfo    112     165     879        3341       0     126     116928        0
       malloc-8192   8192      12       2          24       0       1     114688        0
sctp_stream_msg_out    112     131     841       14786       0     254     108864        0
       malloc-8192   8192      10       3          24       0       1     106496        0
       malloc-4096   4096      20       6        4598       0       2     106496        0
        malloc-512    512      42     158       76762       0      30     102400        0
        malloc-384    384     224      36         608       0      30      99840        0
            pcpu-8      8    8977    2799       47511       0     254      94208        0
             g_bio    408       0     230       14418       0      30      93840        0
          UMA Kegs    384     227       6         227       0      30      89472        0
        128 Bucket   1024      53      30       13111       0      16      84992        0
      malloc-16384  16384       3       2          14       0       1      81920        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2           4       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       4       4         733       0       1      65536        0
       malloc-2048   2048      15      17         532       0       8      65536        0
        malloc-512    512      51      77      152959       0      30      65536        0
       malloc-8192   8192       1       6       76351       0       1      57344        0
     udplite_inpcb    488       0     112        1073       0     254      54656        0
         udp_inpcb    488       6     106        1183       0     254      54656        0
       malloc-4096   4096       7       6         802       0       2      53248        0
       malloc-4096   4096      10       3         239       0       2      53248        0
         64 Bucket    512      50      54       21756       0      30      53248        0
          2 Bucket     32    1053     585       40629       0     254      52416        0
       malloc-1024   1024      38      10        1783       0      16      49152        0
             Files     80     331     269      249377       0     126      48000        0
       malloc-2048   2048      21       1          21       0       8      45056        0
       tcp_bbr_pcb    832      16      38        1359       0      16      44928        0
          8 Bucket     80     263     287        7101       0     126      44000        0
            clpbuf   2624       0      16          61       0      16      41984        0
           DIRHASH   1024      34       6          34       0      16      40960        0
        malloc-512    512      18      62         373       0      30      40960        0
              pipe    744      25      30        1313       0      16      40920        0
         TURNSTILE    136     276      18         276       0      62      39984        0
             NAMEI   1024       0      36      335779       0      16      36864        0
       malloc-4096   4096       4       5        5927       0       2      36864        0
             ripcb    488       5      67        2503       0     254      35136        0
      malloc-16384  16384       2       0           2       0       1      32768        0
      malloc-16384  16384       1       1           2       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
        malloc-512    512      40      24       13909       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
             unpcb    256      20     100        1948       0     254      30720        0
      tcp_rack_pcb    832       0      36        3043       0      16      29952        0
        sctp_laddr     48     176     412       15949       0     254      28224        0
      tcp_rack_map    112       0     252        2963       0     126      28224        0
               PWD     32      88     794       76132       0     254      28224        0
        SLEEPQUEUE     88     276      44         276       0     126      28160        0
             KNOTE    160      27     148      564626       0      62      28000        0
        sctp_readq    152       2     180        8467       0     254      27664        0
        malloc-384    384      35      35         614       0      30      26880        0
       malloc-4096   4096       6       0           6       0       2      24576        0
       malloc-2048   2048       2      10          59       0       8      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
       Mountpoints   2752       2       5           2       0       4      19264        0
              ertt     72      25     199        7267       0     126      16128        0
      vtnet_tx_hdr     24       0     668      506840       0     254      16032        0
       malloc-2048   2048       3       3        1369       0       8      12288        0
             udpcb     32       6     372        2256       0     254      12096        0
              kenv    258      15      30        1048       0      30      11610        0
     routing nhops    256      27      18          35       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2          17       0       2       8192        0
           rtentry    176      31      15          35       0      62       8096        0
              PGRP     88      38      54         116       0     126       8096        0
          rl_entry     40     115      87         115       0     254       8080        0
          4 Bucket     48       7     161        2662       0     254       8064        0
           cryptop    280       0      28          72       0      30       7840        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55         130       0     126       6448        0
         domainset     40       0     126          90       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
        malloc-512    512       3       5           3       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           1       0      62       4048        0
          syncache    168       0      24           4       0     254       4032        0
      tcp_log_node    120       0      33           1       0     126       3960        0
            itimer    352       0      11          36       0      30       3872        0
       UMA Slabs 1    176      22       0          22       0      62       3872        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
            da_ccb    544       0       0           0       0      16          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
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf 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    304       0       0           0       0       0          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     48       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
         hostcache     64       0       0           0       0     254          0        0
             tcptw     88       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
            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
        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    584       0       0           0       0      16          0        0
        TMPFS node    224       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
  linux_dma_object     24       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
      ktls_session    128       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
        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-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-2048   2048       0       0           0       0       8          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-256    256       0       0           0       0      62          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
        malloc-128    128       0       0           0       0     126          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-64     64       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-32     32       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       0       0           0       0     254          0        0
         malloc-16     16       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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/05/27 17:28 freebsd-src 16fa3dcba027 858ea628 console log report ci-freebsd-i386 panic: 1 chunks left for stream 0.
* Struck through repros no longer work on HEAD.