syzbot


panic: 2 chunks left for stream 0.

Status: auto-closed as invalid on 2021/10/11 07:57
Reported-by: syzbot+d47737bb4150a6e50e29@syzkaller.appspotmail.com
First crash: 691d, last: 691d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: 1 chunks left for stream 0. 1 737d 737d 0/2 auto-closed as invalid on 2021/08/25 17:29

Sample crash report:
panic: 2 chunks left for stream 0.
cpuid = 0
time = 1626162984
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077ec230
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077ec390
vpanic() at vpanic+0x2c5/frame 0xfffffe00077ec470
panic() at panic+0xb5/frame 0xfffffe00077ec530
sctp_free_assoc() at sctp_free_assoc+0x42f9/frame 0xfffffe00077ec670
sctp_threshold_management() at sctp_threshold_management+0x457/frame 0xfffffe00077ec6c0
sctp_t1init_timer() at sctp_t1init_timer+0xb6/frame 0xfffffe00077ec710
sctp_timeout_handler() at sctp_timeout_handler+0x9a1/frame 0xfffffe00077ec850
softclock_call_cc() at softclock_call_cc+0x3d9/frame 0xfffffe00077eca00
softclock() at softclock+0x152/frame 0xfffffe00077eca50
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe00077ecbb0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00077ecbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077ecbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100032 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28e6bca(%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         0xd90d520f25851737
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe00077ec370
rbp         0xfffffe00077ec390
rsi                        0x1
rdi         0xffffffff8408c1c0  cov_trace_pc
r8                         0x3
r9          0xfffffe00077ebec8
r10                          0
r11         0xfffffe0092037190
r12         0xfffffe0053dfb020
r13         0xfffffe00077ec301
r14         0xffffffff82c68b80  .str.18
r15         0xffffffff82c68b80  .str.18
rip         0xffffffff817a7f6b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28e6bca(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053deca70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8402fec0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff8402fec0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff84030e40
   (map 0xffffffff84030e40)
   (map.pmap 0xffffffff84030f00)
   (pmap 0xffffffff84030f60)
 threads: 23
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   Run     CPU 0                       [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2165     1  2165    65  Ss      select  0xfffffe009ace9bc0  dhclient
 1963     1  1963     0  Ss      select  0xfffffe009ac9cdc0  dhclient
 1960     1  1960     0  Ss      select  0xfffffe009ab2a0c0  dhclient
 1937     1  1937    65  Ss      select  0xfffffe009ac9ce40  dhclient
 1657  1656   787     0  S       uwait   0xfffffe0091f03c00  syz-executor.0
 1656     1   787     0  SV      wait    0xfffffe009ac45a70  syz-executor.0
 1652  1651   787     0  S       uwait   0xfffffe0092586e80  syz-executor.0
 1651     1   787     0  SV      wait    0xfffffe0091f05000  syz-executor.0
 1593     1  1593     0  Ss      select  0xfffffe0091f034c0  dhclient
 1590     1  1590     0  Ss      select  0xfffffe0091f03540  dhclient
 1563     1  1563    65  Ss      select  0xfffffe00925b9a40  dhclient
 1551     1   789     0  S       uwait   0xfffffe00925b9000  syz-executor.2
 1550     1   789     0  S       uwait   0xfffffe009ab67e80  syz-executor.2
 1549     1   796     0  S       uwait   0xfffffe009ab67d80  syz-executor.3
 1548     1   789     0  S       uwait   0xfffffe009ab67980  syz-executor.2
 1545     1   796     0  S       uwait   0xfffffe00925c3480  syz-executor.3
 1544     1   789     0  S       uwait   0xfffffe009ab2ad80  syz-executor.2
 1543     1   796     0  S       uwait   0xfffffe00925b9200  syz-executor.3
 1542     1   789     0  S       uwait   0xfffffe009203a600  syz-executor.2
 1541     1   796     0  S       uwait   0xfffffe009ab67c80  syz-executor.3
 1540     1   789     0  S       uwait   0xfffffe00925b9580  syz-executor.2
 1539     1   796     0  S       uwait   0xfffffe00925c3300  syz-executor.3
 1537     1   796     0  S       uwait   0xfffffe00925c3000  syz-executor.3
 1535     1   796     0  S       uwait   0xfffffe009ab67b80  syz-executor.3
 1534     1   789     0  S       uwait   0xfffffe0092574b00  syz-executor.2
 1529     1   789     0  S       uwait   0xfffffe00925c3c00  syz-executor.2
 1528     1   789     0  S       uwait   0xfffffe00925c3800  syz-executor.2
 1527     1   796     0  S       uwait   0xfffffe00925c3200  syz-executor.3
 1526     1   789     0  S       uwait   0xfffffe00925c3700  syz-executor.2
 1525     1   796     0  S       uwait   0xfffffe00925c3100  syz-executor.3
 1524     1   789     0  S       uwait   0xfffffe0092586980  syz-executor.2
 1523     1   796     0  S       uwait   0xfffffe00925c3e00  syz-executor.3
 1521     1   789     0  S       uwait   0xfffffe00925b9b00  syz-executor.2
 1520     1   796     0  S       uwait   0xfffffe009203a880  syz-executor.3
 1517     1   796     0  S       uwait   0xfffffe0092586180  syz-executor.3
 1516     1   789     0  S       uwait   0xfffffe00925c3f00  syz-executor.2
 1515     1   796     0  S       uwait   0xfffffe00925c3900  syz-executor.3
 1514     1   796     0  S       uwait   0xfffffe00925c3a00  syz-executor.3
 1513     1   789     0  S       uwait   0xfffffe0091e33780  syz-executor.2
 1507     1   796     0  S       uwait   0xfffffe00924f7c80  syz-executor.3
 1506     1   796     0  S       uwait   0xfffffe0092574380  syz-executor.3
 1505     1   789     0  S       uwait   0xfffffe00924f7680  syz-executor.2
 1504     1   796     0  S       uwait   0xfffffe00925c3d00  syz-executor.3
 1503     1   789     0  S       uwait   0xfffffe00924f7000  syz-executor.2
 1502     1   796     0  S       uwait   0xfffffe00925b9e80  syz-executor.3
 1500     1   789     0  S       uwait   0xfffffe0092586a80  syz-executor.2
 1499     1   796     0  S       uwait   0xfffffe009203a200  syz-executor.3
 1498     1   796     0  S       uwait   0xfffffe00925b9f00  syz-executor.3
 1497     1   789     0  S       uwait   0xfffffe00925b9c80  syz-executor.2
 1495     1   796     0  S       uwait   0xfffffe0092574080  syz-executor.3
 1494     1   789     0  S       uwait   0xfffffe00924f7400  syz-executor.2
 1491     1   789     0  S       uwait   0xfffffe00925b9d00  syz-executor.2
 1490     1   789     0  S       uwait   0xfffffe009203ac80  syz-executor.2
 1485     1   789     0  S       uwait   0xfffffe008fa86180  syz-executor.2
 1484     1   789     0  S       uwait   0xfffffe00924f7800  syz-executor.2
 1483     1   789     0  S       uwait   0xfffffe0092574480  syz-executor.2
 1482     1   789     0  S       uwait   0xfffffe0092586280  syz-executor.2
 1481     1   789     0  S       uwait   0xfffffe008fa86a80  syz-executor.2
 1480     1   789     0  S       uwait   0xfffffe009203a580  syz-executor.2
 1479     1   789     0  S       uwait   0xfffffe00924f7200  syz-executor.2
 1478     1   789     0  S       uwait   0xfffffe00924f7300  syz-executor.2
 1477     1   789     0  S       uwait   0xfffffe0092574180  syz-executor.2
 1476     1   789     0  S       uwait   0xfffffe0092574500  syz-executor.2
 1475     1   789     0  S       uwait   0xfffffe008fa86280  syz-executor.2
 1474     1   789     0  S       uwait   0xfffffe0092574a80  syz-executor.2
 1471     1   789     0  S       uwait   0xfffffe009203a980  syz-executor.2
 1469     1   789     0  S       uwait   0xfffffe0091e33b80  syz-executor.2
 1250     1  1250     0  Ss      select  0xfffffe00925b99c0  dhclient
 1247     1  1247     0  Ss      select  0xfffffe00925b9c40  dhclient
 1051     0     0     0  DL      aiordy  0xfffffe0099689a70  [aiod4]
 1050     0     0     0  DL      aiordy  0xfffffe0099627000  [aiod3]
 1049     0     0     0  DL      aiordy  0xfffffe0092575000  [aiod2]
 1048     0     0     0  DL      aiordy  0xfffffe0092553538  [aiod1]
  780   778   778     0  S       (threaded)                  syz-fuzzer
100101                   S       uwait   0xfffffe008fa86d80  syz-fuzzer
100115                   S       uwait   0xfffffe009203ad80  syz-fuzzer
100116                   S       uwait   0xfffffe009203ae80  syz-fuzzer
100117                   S       uwait   0xfffffe008fa86000  syz-fuzzer
100118                   S       uwait   0xfffffe008fa86100  syz-fuzzer
100119                   S       uwait   0xfffffe0091e33c00  syz-fuzzer
100120                   S       uwait   0xfffffe00924f7d80  syz-fuzzer
100121                   S       uwait   0xfffffe00924f7e80  syz-fuzzer
100122                   S       uwait   0xfffffe009203a000  syz-fuzzer
100492                   S       kqread  0xfffffe008f89e500  syz-fuzzer
  778   776   778     0  Ss      pause   0xfffffe0092449b20  csh
  776   694   776     0  Ss      select  0xfffffe009203a540  sshd
  760     1   760     0  Ss+     ttyin   0xfffffe0056fe1cb0  getty
  759     1   759     0  Ss+     ttyin   0xfffffe00583ee0b0  getty
  758     1   758     0  Ss+     ttyin   0xfffffe00583ee4b0  getty
  757     1   757     0  Ss+     ttyin   0xfffffe00583ee8b0  getty
  756     1   756     0  Ss+     ttyin   0xfffffe00583eecb0  getty
  755     1   755     0  Ss+     ttyin   0xfffffe00583960b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583964b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583968b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0058396cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8405ba01  cron
  694     1   694     0  Ss      select  0xfffffe008fa863c0  sshd
  507     1   507     0  Ss      select  0xfffffe008fa865c0  syslogd
  436     1   436     0  Ss      select  0xfffffe0091e33ac0  devd
  435     1   435    65  Ss      select  0xfffffe008fa86440  dhclient
  350     1   350     0  Ss      select  0xfffffe008fa86340  dhclient
  347     1   347     0  Ss      select  0xfffffe0091e33d40  dhclient
   23     0     0     0  DL      syncer  0xffffffff84181b40  [syncer]
   22     0     0     0  DL      vlruwt  0xfffffe005851c538  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100083                   D       qsleep  0xffffffff8417fa40  [bufdaemon]
100086                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100098                   D       sdflush 0xfffffe008f8a8ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff841b7d80  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100081                   D       psleep  0xffffffff841ab8b8  [dom0]
100084                   D       launds  0xffffffff841ab8c4  [laundry: dom0]
100085                   D       umarcl  0xffffffff81e9dde0  [uma]
   18     0     0     0  DL      -       0xffffffff83e12ba0  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff8487a460  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff84bb6d30  [pf purge]
   15     0     0     0  DL      -       0xffffffff8417aec0  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8417aec0  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8417aec0  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8417aec0  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff83c98240  [doneq0]
100047                   D       -       0xffffffff83c981c0  [async]
100080                   D       -       0xffffffff83c98040  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056ab1c88  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffffe00541aed80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffffe00541aed30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff841a5960  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff8402efc0  [g_event]
100038                   D       -       0xffffffff8402f000  [g_up]
100039                   D       -       0xffffffff8402f040  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffffe0053e16e00  [thr_0]
100029                   D       -       0xfffffe0053e16e80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: task queue]
100011                   I                                   [swi6: Giant taskq]
100014                   I                                   [swi5: fast taskq]
100030                   I                                   [swi1: netisr 0]
100031                   I                                   [swi3: vm]
100032                   Run     CPU 0                       [swi4: clock (0)]
100033                   I                                   [swi4: clock (1)]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100073                   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    0xfffffe0053d51538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841a6900  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8402fec0  [swapper]
100005                   D       -       0xfffffe0053c0d800  [softirq_0]
100006                   D       -       0xfffffe0053c0d600  [softirq_1]
100007                   D       -       0xfffffe0053c0d400  [if_io_tqg_0]
100008                   D       -       0xfffffe0053c0d200  [if_io_tqg_1]
100009                   D       -       0xfffffe0053c0d000  [if_config_tqg_0]
100012                   Run     CPU 1                       [thread taskq]
100013                   D       -       0xfffffe000791a400  [inm_free taskq]
100015                   D       -       0xfffffe000791a200  [kqueue_ctx taskq]
100016                   D       -       0xfffffe000791a100  [linuxkpi_irq_wq]
100017                   D       -       0xfffffe000791a000  [aiod_kick taskq]
100018                   D       -       0xfffffe0053df6e00  [in6m_free taskq]
100019                   D       -       0xfffffe0053df6d00  [pci_hp taskq]
100020                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_0]
100021                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_1]
100022                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_2]
100023                   D       -       0xfffffe0053df6c00  [linuxkpi_short_wq_3]
100024                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_0]
100025                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_1]
100026                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_2]
100027                   D       -       0xfffffe0053df6b00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0053df6a00  [firmware taskq]
100040                   D       -       0xfffffe0053df6900  [crypto_0]
100041                   D       -       0xfffffe0053df6900  [crypto_1]
100057                   D       -       0xfffffe0053df6700  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0053df6600  [vtnet0 txq 0]
100059                   D       -       0xfffffe0053df6500  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0053df6400  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056fbc300  [virtio_balloon]
100066                   D       -       0xfffffe0053df6300  [mca taskq]
100071                   D       -       0xffffffff82c6fb01  [deadlkres]
100075                   D       -       0xfffffe005838be00  [acpi_task_0]
100076                   D       -       0xfffffe005838be00  [acpi_task_1]
100077                   D       -       0xfffffe005838be00  [acpi_task_2]
100079                   D       -       0xfffffe0053df6800  [CAM taskq]
  787   780   787     0  Z                                   syz-executor.0
  789   780   789     0  Z                                   syz-executor.2
  796   780   796     0  Z                                   syz-executor.3
db> show all locks
Process 12 (intr) thread 0xfffffe0053dfb020 (100032)
exclusive sleep mutex sctp-send-tcb (tcbs) r = 0 (0xfffffe009b8a23a0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4841
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe009b8a2380) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4840
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe00081ab308) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:4838
Process 0 (kernel) thread 0xfffffe0053df21e0 (100012)
exclusive sleep mutex kernel arena (kernel arena) r = 0 (0xffffffff840b0680) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:789
exclusive sleep mutex vmem list lock (vmem list lock) r = 0 (0xffffffff83409bc0) locked @ /syzkaller/managers/i386/kernel/sys/kern/subr_vmem.c:784
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4338K         4244
          tcp_hpts            6         3201K            6
         sysctloid        34320         2027K        34387
             vtbuf           24         1968K           46
              kobj          327         1308K          487
          vfscache            3         1025K            3
            newblk            1         1024K         8747
          filedesc          122          970K         3777
         sctp_stro           32          811K          985
               pcb           93          611K         5527
           subproc          266          532K         3039
          inodedep            4          514K         2359
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            3          274K            6
            acpica         1674          184K        54844
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          357          140K          429
           pagedep            2          129K         1908
        tfo_ccache            1          128K            1
            DEVFS1          107          107K          124
               sem            4          106K            4
               bus          989           81K         3482
          mtx_pool            2           72K            2
               BPF           38           71K           54
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          511           64K          511
              umtx          506           64K          506
           kdtrace          339           63K         5918
              temp           35           33K         2788
         hostcache            1           32K            1
               shm            1           32K           10
            DEVFS3          126           32K          136
               msg            4           30K            4
        gtaskqueue           18           26K           18
         sctp_atcl           66           25K         3454
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           72
          routetbl          160           17K          558
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           33           14K         1694
            KTRACE          101           13K         5924
             ifnet            7           13K            7
              kenv           95           12K           95
      eventhandler          133           12K          133
           lltable           36           11K          170
         CAM queue            5           11K         1528
       ether_multi          124           10K          182
              rman           84           10K          425
              GEOM           60           10K          489
            kqueue          121           10K         2934
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           51
         sctp_timw           32            8K           32
               rpc            2            8K            2
         bmsafemap            1            8K         2278
             shmfd            1            8K           29
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
           pwddesc          116            8K         2962
         in6_multi           55            8K           65
              cred           26            7K          285
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           22            6K          503
       ufs_dirhash           24            5K           24
               UMA          270            5K          270
          pf_ifnet           10            5K           32
                vt           11            5K           11
         sctp_atky           98            5K         4537
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           session           31            4K           53
            DEVFSP           61            4K          799
           acpisem           28            4K           28
             lockf           31            4K           84
             hhook           15            4K           17
       fpukern_ctx            3            3K            3
             selfd           48            3K        43381
          kcovinfo           48            3K           72
          terminal           11            3K           11
         proc-args           48            3K          705
           uidinfo            3            3K           25
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            select           16            2K           98
            Unitno           31            2K           55
            ip6ndp           11            2K           13
           CAM XPT           22            2K          543
          sctp_ifa           12            2K           14
       ipsecpolicy            2            2K            2
          in_multi            5            2K           12
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
         sctp_athm           66            2K         3530
          sctp_map           64            1K         1920
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          170
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K          147
          pci_link           10            1K           10
          sctp_ifn            5            1K           14
            crypto            4            1K          299
 encap_export_host           12            1K           12
         sctp_stri            1            1K          166
              pfil            4            1K            4
          procdesc            4            1K           18
              cdev            2            1K            2
       inpcbpolicy           14            1K         1285
               osd            8            1K          914
    chacha20random            1            1K            1
         sctp_aadr            5            1K           25
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
           CAM SIM            2            1K            2
              ktls            1            1K            1
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
            diradd            1            1K         2107
          freefile            1            1K         2043
             xform            2            1K         1132
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
          nexusdev            7            1K            7
            soname            4            1K         6624
          sctp_vrf            1            1K            1
          freework            1            1K         4435
              vnet            1            1K            1
           entropy            2            1K           48
          acpiintr            1            1K            1
               pmc            1            1K            1
          filecaps            4            1K          120
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
         htcp data            0            0K           16
            tcp_do            0            0K            0
           tcp_fsb            0            0K          254
            mqdata            0            0K            0
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           pf_rule            0            0K           32
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        sctp_mcore            0            0K            0
        sctp_socko            0            0K         1505
         sctp_iter            0            0K           16
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            3
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
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         sctp_a_it            0            0K           13
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            NFS fh            0            0K            0
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               amr            0            0K            0
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           scsi_da            0            0K           69
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            MLX5EN            0            0K            0
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            ip6opt            0            0K           54
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               LRO            0            0K            0
      newreno data            0            0K            0
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       ip_moptions            0            0K           13
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              ipid            0            0K            0
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      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
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              zlib            0            0K            0
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           VN POLL            0            0K            2
            twsbuf            0            0K            0
            statfs            0            0K         2030
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      twa_commands            0            0K            0
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           CAM CCB            0            0K        13340
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agtiapi_MemAlloc malloc            0            0K            0
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          mbuf_tag            0            0K          176
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          tempbuff            0            0K            0
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
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              nvme            0            0K            0
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           Witness            0            0K            0
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               mps            0            0K            0
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            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
              sbuf            0            0K          288
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           md_disk            0            0K            2
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         sysctltmp            0            0K          888
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              rctl            0            0K            0
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       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            9
filedesc_to_leader            0            0K            0
               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
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8783     957      709330       0     254   39895040        0
           tcp_log    416       0   17100      221317       0     254    7113600        0
    ertt_txseginfo     40       0   67367      647147       0     254    2694680        0
              mbuf    256    9225    1095     1891682       0     254    2641920        0
              pbuf   2624       0     762           0       0       2    1999488        0
          BUF TRIE    144     189   11571        7083       0      62    1693440        0
        malloc-384    384    4276      34        4410       0      30    1655040        0
        RADIX NODE    144    9706    1209       98001       0      62    1571760        0
        malloc-128    128   11310      67       11578       0     126    1456256        0
       malloc-4096   4096     328       3         546       0       2    1355776        0
       UMA Slabs 0    112   11258       7       11258       0     126    1261680        0
      malloc-16384  16384      61      12        1887       0       1    1196032        0
      mbuf_cluster   2048     570       2         570       0     254    1171456        0
         vmem btag     56   19990     145       19990       0     254    1127560        0
        256 Bucket   2048     472       0       20318       0       8     966656        0
       tcp_bbr_map    128       0    5363      159985       0     126     686464        0
         FFS inode   1160     527      26        2572       0       8     641480        0
       malloc-4096   4096     138      18        3447       0       2     638976        0
         VM OBJECT    264    1871     244       43828       0      30     558360        0
         MAP ENTRY     96    4410     798      161974       0     126     499968        0
            THREAD   1808     219      34        3025       0       8     457424        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
         malloc-64     64    4166     433       47910       0     254     294336        0
             VNODE    448     566      82        2613       0      30     290304        0
           VMSPACE   2544      88      20        2867       0       4     274752        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         malloc-16     16   14095     405       17160       0     254     232000        0
      malloc-32768  32768       0       7        2524       0       1     229376        0
            DEVCTL   1024       0     220         158       0       0     225280        0
      malloc-65536  65536       1       2          27       0       1     196608        0
              PROC   1336     118      26        2891       0       8     192384        0
         UMA Zones    768     242       2         242       0      16     187392        0
        malloc-128    128    1264     131        6224       0     126     178560        0
         malloc-32     32    5363      55        5647       0     254     173376        0
         sctp_asoc   2288      32      43         960       0     254     171600        0
        malloc-128    128    1257      76       31311       0     126     170624        0
        malloc-256    256     109     551       17759       0      62     168960        0
         filedesc0   1072     116      31        2962       0       8     157584        0
       FFS2 dinode    256     527      43        2572       0      62     145920        0
       mbuf_packet    256      40     530       10002       0     254     145920        0
       malloc-2048   2048      35      35        2406       0       8     143360        0
           sctp_ep   1280      33      75        2388       0     254     138240        0
        128 Bucket   1024     101      34        2207       0      16     138240        0
       S VFS Cache    104    1037     289        3143       0     126     137904        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         414       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
            clpbuf   2624       0      48         124       0      16     125952        0
            socket    944      35      89        5038       0     254     117056        0
          ksiginfo    112     129     915        1770       0     126     116928        0
       malloc-1024   1024     110       2         127       0      16     114688        0
       malloc-2048   2048       7      43       13356       0       8     102400        0
        malloc-256    256     231     144        8279       0      62      96000        0
       malloc-8192   8192       5       6         135       0       1      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
      malloc-16384  16384       4       1         179       0       1      81920        0
       malloc-1024   1024      39      41        1496       0      16      81920        0
        malloc-384    384       3     197        2358       0      30      76800        0
        malloc-128    128     303     286        2510       0     126      75392        0
             g_bio    408       0     170       50387       0      30      69360        0
      malloc-65536  65536       0       1           8       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
       malloc-8192   8192       6       2          11       0       1      65536        0
        sctp_raddr    736      33      55        1175       0     254      64768        0
        malloc-384    384      66      94        3491       0      30      61440        0
       malloc-8192   8192       4       3           9       0       1      57344        0
       malloc-4096   4096      12       1          23       0       2      53248        0
         64 Bucket    512      98       6        5090       0      30      53248        0
             tcpcb   1080       4      45         903       0     254      52920        0
        malloc-256    256     148      47         427       0      62      49920        0
         32 Bucket    256      68     127        7500       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-2048   2048       4      20         511       0       8      49152        0
         malloc-64     64     631     125       22381       0     254      48384        0
        malloc-256    256      82      98        2853       0      62      46080        0
        malloc-256    256     112      53        1201       0      62      42240        0
       malloc-8192   8192       5       0           5       0       1      40960        0
            pcpu-8      8    4679     441        5476       0     254      40960        0
         TURNSTILE    136     254      19         254       0      62      37128        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       24544       0      16      36864        0
       malloc-4096   4096       9       0           9       0       2      36864        0
         malloc-64     64      58     509        3157       0     254      36288        0
        malloc-128    128       7     272         460       0     126      35712        0
        malloc-384    384      75      15         166       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2           8       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
         malloc-64     64     479      25         691       0     254      32256        0
             Files     80     190     210       15700       0     126      32000        0
       tcp_bbr_pcb    832       0      36         422       0      16      29952        0
              pipe    744      21      19         491       0      16      29760        0
       malloc-2048   2048      12       2         204       0       8      28672        0
       malloc-1024   1024      13      15        1516       0      16      28672        0
         malloc-64     64     310     131        6063       0     254      28224        0
             KNOTE    160      18     157       63342       0      62      28000        0
          8 Bucket     80      49     301        2338       0     126      28000        0
         tcp_inpcb    496       4      52         903       0     254      27776        0
        SLEEPQUEUE     88     254      34         254       0     126      25344        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-4096   4096       2       4          37       0       2      24576        0
       malloc-2048   2048       5       7         177       0       8      24576        0
               PWD     32      21     735        1915       0     254      24192        0
         malloc-32     32     346     410       11033       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
      tcp_rack_pcb    832       0      27         254       0      16      22464        0
       malloc-4096   4096       3       2        2034       0       2      20480        0
       malloc-1024   1024      17       3          17       0      16      20480        0
       malloc-1024   1024      11       9          32       0      16      20480        0
         malloc-32     32      90     540        4048       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-384    384      36      14          36       0      30      19200        0
        malloc-256    256      34      41         295       0      62      19200        0
        malloc-256    256      22      53        2087       0      62      19200        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2          95       0       2      16384        0
       malloc-2048   2048       2       6         113       0       8      16384        0
         malloc-64     64     157      95         177       0     254      16128        0
         16 Bucket    144      71      41         610       0      62      16128        0
          2 Bucket     32      65     439        1264       0     254      16128        0
      vtnet_tx_hdr     24       0     668      646471       0     254      16032        0
        malloc-128    128      85      39        1963       0     126      15872        0
        malloc-384    384      32       8          37       0      30      15360        0
        malloc-256    256      34      26        1168       0      62      15360        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512       3      21         171       0      30      12288        0
        malloc-512    512      10      14         208       0      30      12288        0
        malloc-512    512      10      14          20       0      30      12288        0
         malloc-64     64      68     121         806       0     254      12096        0
         malloc-32     32     155     223         336       0     254      12096        0
         malloc-16     16     345     405         644       0     254      12000        0
     udplite_inpcb    496       0      24          30       0     254      11904        0
         udp_inpcb    496       6      18         296       0     254      11904        0
        sctp_chunk    152      36      42         419       0     254      11856        0
              kenv    258      15      30        1042       0      30      11610        0
     routing nhops    256      23      22          35       0      62      11520        0
             unpcb    256      17      28        1314       0     254      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2          13       0       8       8192        0
       malloc-1024   1024       2       6          15       0      16       8192        0
       malloc-1024   1024       1       7          63       0      16       8192        0
        malloc-512    512       0      16          30       0      30       8192        0
        malloc-512    512       1      15         174       0      30       8192        0
           pf tags    104       0      78          22       0     126       8112        0
           rtentry    176      26      20          35       0      62       8096        0
             tcptw     88       0      92           8       0     254       8096        0
              PGRP     88      31      61          53       0     126       8096        0
          rl_entry     40     109      93         109       0     254       8080        0
sctp_stream_msg_out    112       3      69         207       0     254       8064        0
        sctp_laddr     48      20     148         791       0     254       8064        0
      tcp_rack_map    112       0      72         524       0     126       8064        0
             udpcb     32       6     246         326       0     254       8064        0
              ertt     72       4     108         903       0     126       8064        0
         malloc-64     64      12     114         123       0     254       8064        0
         malloc-32     32     161      91         245       0     254       8064        0
         malloc-32     32      25     227          61       0     254       8064        0
         malloc-32     32      38     214         889       0     254       8064        0
          4 Bucket     48       6     162         121       0     254       8064        0
         malloc-16     16       6     494         918       0     254       8000        0
         malloc-16     16      16     484          19       0     254       8000        0
         malloc-16     16     188     312        1428       0     254       8000        0
         malloc-16     16      28     472       29623       0     254       8000        0
         malloc-16     16      74     426        3689       0     254       8000        0
             ripcb    496       4      12          56       0     254       7936        0
        malloc-128    128      25      37         141       0     126       7936        0
        malloc-128    128      10      52         290       0     126       7936        0
        sctp_readq    152       0      52          96       0     254       7904        0
           cryptop    280       0      28          51       0      30       7840        0
             AIOCB    552       0      14          25       0      16       7728        0
       L VFS Cache    320       0      24           9       0      30       7680        0
        malloc-384    384       1      19         369       0      30       7680        0
        malloc-384    384       1      19           9       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           2       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       1       7           9       0      30       4096        0
        malloc-512    512       4       4           4       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
   sctp_asconf_ack     48       0      84           2       0     254       4032        0
          tcpreass     48       0      84           1       0     254       4032        0
          sackhole     32       0     126           2       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
              AIOP     32       4     122           4       0     254       4032        0
      tcp_log_node    120       0      33           5       0     126       3960        0
               AIO    208       0      19          12       0      62       3952        0
            itimer    352       2       9           2       0      30       3872        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          14       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     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     254          0        0
          pf mtags     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
               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
        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
     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    192       0       0           0       0      62          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-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-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
        malloc-512    512       0       0           0       0      30          0        0
         malloc-32     32       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 Manager Title
2021/07/13 07:56 freebsd-src 297e9f364b5a f415556d console log report ci-freebsd-i386 panic: 2 chunks left for stream 0.
* Struck through repros no longer work on HEAD.