syzbot


panic: ASan: Invalid access, NUM-byte read in newreno_ack_received

Status: fixed on 2021/10/26 12:03
Reported-by: syzbot+1d219ea351caa5109d4b@syzkaller.appspotmail.com
Fix commit: b15b0535968e tcp: allow new reno functions to be called from other CC modules
First crash: 470d, last: 470d

Sample crash report:
panic: ASan: Invalid access, 4-byte read at 0xfffffe00081f6098, MallocRedZone(fb)
cpuid = 1
time = 1635092707
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00077ef8b0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00077efa10
vpanic() at vpanic+0x2c5/frame 0xfffffe00077efaf0
panic() at panic+0xb5/frame 0xfffffe00077efbb0
__asan_load4_noabort() at __asan_load4_noabort+0x216/frame 0xfffffe00077efc70
newreno_ack_received() at newreno_ack_received+0x2bf/frame 0xfffffe00077efcd0
rack_ack_received() at rack_ack_received+0xa65/frame 0xfffffe00077efe70
rack_process_ack() at rack_process_ack+0x848/frame 0xfffffe00077eff90
rack_do_closing() at rack_do_closing+0x6b7/frame 0xfffffe00077f0100
rack_do_segment_nounlock() at rack_do_segment_nounlock+0x48d6/frame 0xfffffe00077f07f0
rack_do_segment() at rack_do_segment+0x1a8/frame 0xfffffe00077f08e0
tcp_input_with_port() at tcp_input_with_port+0x1cb7/frame 0xfffffe00077f0b70
tcp_input() at tcp_input+0x1f/frame 0xfffffe00077f0b90
ip_input() at ip_input+0x69e/frame 0xfffffe00077f0cf0
swi_net() at swi_net+0x2e5/frame 0xfffffe00077f0d90
ithread_loop() at ithread_loop+0x4f1/frame 0xfffffe00077f0ef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe00077f0f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00077f0f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100030 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x28dfb4a(%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         0x6ec5edd3e94bb5d1
rdx                        0x1
rbx                          0
rsp         0xfffffe00077ef9f0
rbp         0xfffffe00077efa10
rsi                          0
rdi         0xffffffff817c05fa  vprintf+0x35a
r8                           0
r9          0xfffffe00077ef528
r10                          0
r11         0xfffffe00a77e1c30
r12         0xfffffe0053e09000
r13         0xfffffe00077efa01
r14         0xffffffff82c876e0  .str.18
r15         0xffffffff82c876e0  .str.18
rip         0xffffffff817b3f6b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x28dfb4a(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0053e02a70:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff84034a40
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff84034a40 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff840359c0
   (map 0xffffffff840359c0)
   (map.pmap 0xffffffff84035a80)
   (pmap 0xffffffff84035ae8)
 threads: 23
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100018                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi3: vm]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   RunQ                                [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
42308   779   779     0  R       (threaded)                  syz-executor.1
156086                   RunQ                                syz-executor.1
157161                   S       sbwait  0xfffffe00a7120204  syz-executor.1
157163                   S       uwait   0xfffffe009ea82d80  syz-executor.1
42307   785   785     0  R       (threaded)                  syz-executor.2
154684                   RunQ                                syz-executor.2
157159                   S       sbwait  0xfffffe00a70cf204  syz-executor.2
157162                   S       uwait   0xfffffe0058848f00  syz-executor.2
42306   803   803     0  R       (threaded)                  syz-executor.3
155105                   RunQ                                syz-executor.3
157160                   S       connec  0xfffffe00a768d49a  syz-executor.3
42302   778   778     0  RE      CPU 0                       syz-executor.0
40836     1   779     0  S       uwait   0xfffffe009ea82580  syz-executor.1
40833     1   779     0  S       uwait   0xfffffe00a754f380  syz-executor.1
40269     1   785     0  S       uwait   0xfffffe0058845380  syz-executor.2
40257     1   779     0  S       uwait   0xfffffe00a754f680  syz-executor.1
40255     1   779     0  S       uwait   0xfffffe00a754f780  syz-executor.1
40207     1   779     0  S       uwait   0xfffffe0058848180  syz-executor.1
40206     1   779     0  S       uwait   0xfffffe00a76f0500  syz-executor.1
40143     1   778     0  S       uwait   0xfffffe00a754fc80  syz-executor.0
40142     1   778     0  S       uwait   0xfffffe0058845b80  syz-executor.0
40085     1   779     0  S       uwait   0xfffffe0056fe3200  syz-executor.1
40084     1   779     0  S       uwait   0xfffffe0058848380  syz-executor.1
39910     1   779     0  S       uwait   0xfffffe00a754fb80  syz-executor.1
39909     1   779     0  S       uwait   0xfffffe00a754fa80  syz-executor.1
39082     0     0     0  DL      mdwait  0xfffffe00a77d4000  [md1]
39080     0     0     0  DL      mdwait  0xfffffe00a77c9000  [md0]
39074 39073   785     0  SV      uwait   0xfffffe0058539600  syz-executor.2
39073     1   785     0  DV      ppwait  0xfffffe00a77754e8  syz-executor.2
39022     1   779     0  SV      uwait   0xfffffe0058848a00  syz-executor.1
39014     1   779     0  SV      uwait   0xfffffe009e9d6500  syz-executor.1
38737     1   779     0  S       uwait   0xfffffe0058845a80  syz-executor.1
38628     1   778     0  S       uwait   0xfffffe00a76f0e00  syz-executor.0
38626     1   778     0  S       uwait   0xfffffe0056fe3000  syz-executor.0
38481 38474   779     0  SV      uwait   0xfffffe005884e380  syz-executor.1
38474     1   779     0  DV      ppwait  0xfffffe009ea174e8  syz-executor.1
38461 38460   779     0  SV      uwait   0xfffffe0056fe3700  syz-executor.1
38460     1   779     0  DV      ppwait  0xfffffe00a7692f58  syz-executor.1
38275     1   779     0  S       uwait   0xfffffe0056fe3300  syz-executor.1
38274     1   779     0  S       uwait   0xfffffe0056fe3400  syz-executor.1
38273     1   778     0  S       uwait   0xfffffe00a754f080  syz-executor.0
38271     1   778     0  S       uwait   0xfffffe0056fe3500  syz-executor.0
38209     1   779     0  S       uwait   0xfffffe0058845980  syz-executor.1
38208     1   779     0  S       uwait   0xfffffe0058539300  syz-executor.1
38042     1   778     0  S       uwait   0xfffffe009e9d6300  syz-executor.0
38041     1   778     0  S       uwait   0xfffffe0058845880  syz-executor.0
33131     1   803     0  S       uwait   0xfffffe0058848280  syz-executor.3
33130     1   803     0  S       uwait   0xfffffe005884a480  syz-executor.3
29656     1   778     0  S       uwait   0xfffffe0058845580  syz-executor.0
29652     1   778     0  S       uwait   0xfffffe005884ef00  syz-executor.0
27921     1   803     0  SV      uwait   0xfffffe0058539000  syz-executor.3
27920     1   803     0  SV      uwait   0xfffffe0058848b00  syz-executor.3
27262     1   785     0  S       uwait   0xfffffe005884a080  syz-executor.2
27259     1   785     0  S       uwait   0xfffffe0058539200  syz-executor.2
24952     0     0     0  DL      -       0xffffffff84181c80  [soaiod4]
24951     0     0     0  DL      -       0xffffffff84181c80  [soaiod3]
24950     0     0     0  DL      -       0xffffffff84181c80  [soaiod2]
24949     0     0     0  DL      -       0xffffffff84181c80  [soaiod1]
21541 21539 21541     0  SVs     uwait   0xfffffe005884a280  syz-executor.2
21539     1 21539     0  DVs     ppwait  0xfffffe009ea0ff58  syz-executor.2
12010     1   785     0  S       uwait   0xfffffe0058845280  syz-executor.2
12009     1   785     0  S       uwait   0xfffffe009e9d6000  syz-executor.2
11848     1   778     0  S       uwait   0xfffffe0057404300  syz-executor.0
11845     1   778     0  S       uwait   0xfffffe009e9d6a00  syz-executor.0
10256     1 10256    65  Ss      select  0xfffffe009ea1cb40  dhclient
 9810     1   785     0  S       uwait   0xfffffe009ea82e80  syz-executor.2
 9809     1   785     0  S       uwait   0xfffffe009e9d6200  syz-executor.2
 9807     1   785     0  S       uwait   0xfffffe005884e200  syz-executor.2
 9805     1   785     0  S       uwait   0xfffffe0058845180  syz-executor.2
 9124     1  9124     0  Ss      select  0xfffffe009ea1ccc0  dhclient
 9121     1  9121     0  Ss      select  0xfffffe009e42af40  dhclient
 9102     1  9102    65  Ss      select  0xfffffe00588a3740  dhclient
 8167     0     0     0  DL      aiordy  0xfffffe009ea0f000  [aiod4]
 8166     0     0     0  DL      aiordy  0xfffffe009eb07a70  [aiod3]
 8165     0     0     0  DL      aiordy  0xfffffe009eb3a000  [aiod2]
 8164     0     0     0  DL      aiordy  0xfffffe009ea65000  [aiod1]
 7338     1  7338     0  Ss      select  0xfffffe009ea1cd40  dhclient
 7335     1  7335     0  Ss      select  0xfffffe009e42a140  dhclient
 7316     1  7316    65  Ss      select  0xfffffe009e42a6c0  dhclient
 5231     1  5231     0  Ss      select  0xfffffe009ea1cec0  dhclient
 5225     1  5225     0  Ss      select  0xfffffe009e464f40  dhclient
 5190     1  5190    65  Ss      select  0xfffffe009ea1cc40  dhclient
 2152     1  2152     0  Ss      select  0xfffffe009e42ab40  dhclient
 2144     1  2144     0  Ss      select  0xfffffe009ea1c9c0  dhclient
  803   775   803     0  Rs                                  syz-executor.3
  785   775   785     0  Rs                                  syz-executor.2
  779   775   779     0  Rs                                  syz-executor.1
  778   775   778     0  Rs                                  syz-executor.0
  775   773   773     0  S       (threaded)                  syz-fuzzer
100107                   S       uwait   0xfffffe005884ec80  syz-fuzzer
100110                   S       uwait   0xfffffe009e9d6f00  syz-fuzzer
100111                   S       uwait   0xfffffe0058853080  syz-fuzzer
100112                   S       uwait   0xfffffe0058853180  syz-fuzzer
100113                   S       uwait   0xfffffe0058853280  syz-fuzzer
100114                   S       uwait   0xfffffe005884e280  syz-fuzzer
100115                   S       uwait   0xfffffe009e9d6c00  syz-fuzzer
100116                   S       uwait   0xfffffe0058853380  syz-fuzzer
100118                   S       kqread  0xfffffe005895b500  syz-fuzzer
120620                   S       uwait   0xfffffe0058539500  syz-fuzzer
  773   771   773     0  Ss      pause   0xfffffe009e9ccb20  csh
  771   689   771     0  Ss      select  0xfffffe009e42a3c0  sshd
  755     1   755     0  Ss+     ttyin   0xfffffe00570040b0  getty
  754     1   754     0  Ss+     ttyin   0xfffffe00583e10b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00583e18b0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00575fc0b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00575fc8b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00575f80b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00575f88b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe00575cb0b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00575cb8b0  getty
  693     1   693     0  Ss      nanslp  0xffffffff84060981  cron
  689     1   689     0  Ss      select  0xfffffe009e42a740  sshd
  502     1   502     0  Ss      select  0xfffffe009e464b40  syslogd
  431     1   431     0  Ss      select  0xfffffe009e3090c0  devd
  430     1   430    65  Ss      select  0xfffffe009e42ad40  dhclient
  345     1   345     0  Ss      select  0xfffffe009e42aec0  dhclient
  342     1   342     0  Ss      select  0xfffffe009e309140  dhclient
   18     0     0     0  DL      vlruwt  0xfffffe0058769538  [vnlru]
   17     0     0     0  DL      syncer  0xffffffff84188de0  [syncer]
   16     0     0     0  DL      (threaded)                  [bufdaemon]
100078                   D       qsleep  0xffffffff84186ae0  [bufdaemon]
100081                   D       -       0xffffffff83411f80  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe00588adce8  [/ worker]
   15     0     0     0  DL      psleep  0xffffffff841bf000  [vmdaemon]
    9     0     0     0  DL      (threaded)                  [pagedaemon]
100076                   D       psleep  0xffffffff841b2af8  [dom0]
100082                   D       launds  0xffffffff841b2b04  [laundry: dom0]
100083                   D       umarcl  0xffffffff81eb8ed0  [uma]
    8     0     0     0  DL      -       0xffffffff83e16be0  [rand_harvestq]
    7     0     0     0  DL      waiting 0xffffffff84a7f760  [sctp_iterator]
    6     0     0     0  DL      pftm    0xffffffff84f81060  [pf purge]
    5     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83c9c3c0  [doneq0]
100046                   D       -       0xffffffff83c9c340  [async]
100075                   D       -       0xffffffff83c9c1c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0056ab4c88  [sequencer 00]
    4     0     0     0  DL      crypto_ 0xfffffe00541bed80  [crypto returns 1]
    3     0     0     0  DL      crypto_ 0xfffffe00541bed30  [crypto returns 0]
    2     0     0     0  DL      crypto_ 0xffffffff841acba0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff84033b40  [g_event]
100037                   D       -       0xffffffff84033b80  [g_up]
100038                   D       -       0xffffffff84033bc0  [g_down]
   12     0     0     0  RL      (threaded)                  [intr]
100013                   I                                   [swi5: fast taskq]
100017                   I                                   [swi6: task queue]
100018                   I                                   [swi6: Giant taskq]
100029                   I                                   [swi3: vm]
100030                   Run     CPU 1                       [swi1: netisr 0]
100031                   RunQ                                [swi4: clock (0)]
100032                   I                                   [swi4: clock (1)]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   I                                   [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053d5c538  [init]
   10     0     0     0  DL      audit_w 0xffffffff841adb40  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff84034a40  [swapper]
100005                   D       -       0xfffffe0053df0600  [if_config_tqg_0]
100006                   D       -       0xfffffe0053df0500  [softirq_0]
100007                   D       -       0xfffffe0053df0400  [softirq_1]
100008                   D       -       0xfffffe0053df0300  [if_io_tqg_0]
100009                   D       -       0xfffffe0053df0200  [if_io_tqg_1]
100010                   D       -       0xfffffe0053df0100  [inm_free taskq]
100011                   D       -       0xfffffe0053df0000  [deferred_unmount ta]
100012                   D       -       0xfffffe0053dfae00  [thread taskq]
100014                   D       -       0xfffffe0053dfab00  [pci_hp taskq]
100015                   D       -       0xfffffe0053dfaa00  [linuxkpi_irq_wq]
100016                   D       -       0xfffffe0053dfa900  [kqueue_ctx taskq]
100019                   D       -       0xfffffe0053dfa400  [aiod_kick taskq]
100020                   D       -       0xfffffe0053dfa300  [in6m_free taskq]
100021                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0053dfa200  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0053dfa100  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe000811a800  [firmware taskq]
100039                   D       -       0xfffffe00541a3d00  [crypto_0]
100040                   D       -       0xfffffe00541a3d00  [crypto_1]
100056                   D       -       0xfffffe00541a3200  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00541a3100  [vtnet0 txq 0]
100058                   D       -       0xfffffe00541a3000  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0056ee2e00  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe0056b94980  [virtio_balloon]
100065                   D       -       0xfffffe0056ee2700  [mca taskq]
100066                   D       -       0xffffffff82c8e6a0  [deadlkres]
100071                   D       -       0xfffffe00541a3a00  [acpi_task_0]
100072                   D       -       0xfffffe00541a3a00  [acpi_task_1]
100073                   D       -       0xfffffe00541a3a00  [acpi_task_2]
100074                   D       -       0xfffffe00541a3700  [CAM taskq]
db> show all locks
Process 42308 (syz-executor.1) thread 0xfffffe00a76ebe40 (157161)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffffe00a7120180) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_socket.c:4163
Process 42307 (syz-executor.2) thread 0xfffffe00a77e5020 (157159)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffffe00a70cf180) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_socket.c:4163
Process 12 (intr) thread 0xfffffe0053e09000 (100030)
exclusive rw tcpinp (tcpinp) r = 0 (0xfffffe00a7472020) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:2483
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4213         4323K         4243
          tcp_hpts            6         3201K            6
         sysctloid        34970         2060K        35041
             vtbuf           24         1968K           46
              kobj          326         1304K          504
            newblk            9         1026K        41994
          vfscache            3         1025K            3
          filedesc          118          938K        82473
          inodedep          269          613K        41366
               pcb           48          553K        19492
           subproc          251          522K        42450
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            3          274K            5
            acpica         1674          184K        55237
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          355          140K          495
           pagedep            9          130K        41206
        tfo_ccache            1          128K            1
            DEVFS1          110          110K          127
               sem            4          106K            4
               BPF           46           88K          119
               bus          986           80K         3474
          mtx_pool            2           72K            2
          syncache            1           68K            1
            dirrem          260           65K        41232
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
           kdtrace          335           62K        99475
              umtx          484           61K          484
              temp           34           33K         4278
          freefile          260           33K        41197
            DEVFS3          129           33K          139
         hostcache            1           32K            1
               shm            1           32K          529
               msg            4           30K            4
           pf_osfp          227           27K          227
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           70           20K           72
        DEVFS_RULE           56           20K           56
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
          routetbl          130           16K          410
              ksem           20           16K         3570
            bus-sc           34           15K         1691
           lltable           45           14K          184
            KTRACE          100           13K          100
             ifnet            7           13K            7
       ether_multi          152           13K          162
              GEOM           75           12K          584
              kenv           95           12K           95
      eventhandler          133           12K          133
         CAM queue            5           11K         1528
              rman           84           10K          425
            kqueue          120           10K        42364
         in6_multi           65            9K           65
          pf_ifnet           27            9K         1079
         bmsafemap            2            9K        41344
              UART           12            9K           12
           devstat            4            9K            4
         sctp_timw           32            8K           32
               rpc            2            8K            2
             shmfd            1            8K          148
           md_disk            2            8K            2
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          295
           pwddesc          117            8K        42313
         taskqueue           63            7K           63
              cred           26            7K          372
            DEVFSP          101            7K        29900
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           24            6K          611
         sctp_stro            5            5K          656
       ufs_dirhash           24            5K           24
           session           37            5K           87
         sctp_atcl           12            5K         4779
               UMA          268            5K          268
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
             lockf           34            4K           99
             selfd           57            4K       575455
           acpisem           28            4K           28
             hhook           15            4K           17
         proc-args           52            3K          783
          terminal           11            3K           11
            select           20            3K         3869
           uidinfo            3            3K           21
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           13
          sctp_ifa           13            2K           14
            Unitno           27            2K           73
           CAM XPT           22            2K          543
             xform           24            2K        43871
       inpcbpolicy           49            2K        25161
          in_multi            6            2K            8
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
               tun            7            2K            7
          freework            5            2K        41190
           softdep            1            1K            1
             mkdir            8            1K        82354
          freeblks            4            1K        41165
            crypto            6            1K        13076
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          222
      NFSD session            1            1K            1
      newreno data           15            1K        15206
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           14
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K          105
          pci_link           10            1K           10
         sctp_atky           17            1K         5495
 encap_export_host           12            1K           12
          procdesc            5            1K           18
               osd           21            1K        15150
           tcp_fsb            4            1K         3803
         newdirblk            4            1K        41177
            diradd            4            1K        41276
              pfil            4            1K            4
              cdev            2            1K            2
    chacha20random            1            1K            1
           pf_rule            2            1K         3114
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     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            vnodes            1            1K            1
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            feeder            7            1K            7
         sctp_athm           12            1K         4828
           tcpfunc            3            1K            3
        loginclass            3            1K            9
            prison            6            1K            6
       lkpikmalloc            5            1K            6
          sctp_map           10            1K         1312
        aesni_data            2            1K            2
          cdg data            1            1K          602
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            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
            soname            5            1K        43781
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             sigio            2            1K            5
          filecaps            5            1K          145
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              vnet            1            1K            1
           entropy            2            1K           51
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               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
        vegas data            1            1K          344
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           pf_temp            0            0K            0
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        sctp_socko            0            0K         1520
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         sctp_cpal            0            0K            2
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         sctp_stri            0            0K          100
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         BACKLIGHT            0            0K            0
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          savedino            0            0K        37697
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        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
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             radix            0            0K            0
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      ipsecrequest            0            0K            0
            ip6opt            0            0K           69
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             frag6            0            0K            0
            tcplog            0            0K            0
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               LRO            0            0K            0
       ip_moptions            0            0K           33
        in_mfilter            0            0K            5
              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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      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
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           fadvise            0            0K           14
           VN POLL            0            0K            0
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            statfs            0            0K        41548
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            twsbuf            0            0K            0
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       tcp_log_dev            0            0K         1357
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              hdac            0            0K            0
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agtiapi_MemAlloc malloc            0            0K            0
          mbuf_tag            0            0K          182
              ktls            0            0K            0
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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
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
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               iov            0            0K        26578
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            MPSSAS            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
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        compressor            0            0K            0
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         sysctltmp            0            0K         1055
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       aacraid_buf            0            0K            0
                ix            0            0K            0
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             cache            0            0K            0
            iirbuf            0            0K            0
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       Fail Points            0            0K            0
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
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            aacbuf            0            0K            0
              zstd            0            0K            0
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           SCSI sa            0            0K            0
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     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           84
     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
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8337     971     1526759       0     254   38125568        0
           tcp_log    416   10000    5021      232086       0     254    6248736        0
        RADIX NODE    144   18917     314     1045687       0      64    2769264        0
              pbuf   2624       0     989           0       0       2    2595136        0
              mbuf    256    8775     795     5119100       0     254    2449920        0
       malloc-4096   4096     452       4       42820       0       2    1867776        0
          BUF TRIE    144     195   11565        2228       0      62    1693440        0
        malloc-384    384    4117      13        4122       0      30    1585920        0
        malloc-128    128   11495     161       56862       0     126    1491968        0
      mbuf_cluster   2048     615       1         615       0     254    1261568        0
       UMA Slabs 0    112   10724       1       10724       0     126    1201200        0
         vmem btag     56   19657      46       19657       0     254    1103368        0
      malloc-16384  16384      58       4       41394       0       1    1015808        0
    ertt_txseginfo     40   17899    3210     2383744       0     254     844360        0
        malloc-384    384     269    1831       41371       0      30     806400        0
         FFS inode   1160     546      28       41744       0       8     665840        0
       tcp_bbr_map    128    1984    2573      677788       0     126     583296        0
        malloc-256    256     363    1827       41740       0      62     560640        0
        malloc-256    256      35    2140       44892       0      62     556800        0
         VM OBJECT    264    1945      50      609023       0      30     526680        0
        256 Bucket   2048     190      56       30475       0       8     503808        0
         MAP ENTRY     96    4127     493     2302380       0     127     443520        0
            THREAD   1808     216      26       57165       0       8     437536        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
        malloc-128    128     995    1826       56065       0     126     361088        0
            socket    960     103     209       39627       0     254     299520        0
             VNODE    448     586      80       41786       0      30     298368        0
         malloc-64     64    3908     565      579394       0     254     286272        0
      malloc-65536  65536       4       0           4       0       1     262144        0
         tcp_inpcb    496      24     496       15139       0     254     257920        0
         malloc-16     16   14472     528       29701       0     254     240000        0
           VMSPACE   2552      84       9       42269       0       4     237336        0
        malloc-256    256     229     686      131550       0      62     234240        0
            DEVCTL   1024       0     220         158       0       0     225280        0
     FPU_save_area    832     218      43       69285       0      16     217152        0
      malloc-65536  65536       1       2         137       0       1     196608        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5610     186        5716       0     254     185472        0
              PROC   1336     117      15       42308       0       8     176352        0
      malloc-32768  32768       0       5          40       0       1     163840        0
        malloc-128    128    1218      53       26452       0     126     162688        0
             tcpcb   1096      17     130       15139       0     254     161112        0
       mbuf_packet    256      97     518       46879       0     254     157440        0
         filedesc0   1072     118      22       42313       0       8     150080        0
       S VFS Cache    104    1098     345       44585       0     126     150072        0
       malloc-2048   2048      14      58         549       0       8     147456        0
       FFS2 dinode    256     546      24       41744       0      62     145920        0
       malloc-4096   4096      33       2          79       0       2     143360        0
        128 Bucket   1024      89      50       11784       0      16     142336        0
       malloc-1024   1024     129       3         146       0      16     135168        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         602       0       1     131072        0
          ksiginfo    112     122     922       12782       0     126     116928        0
         64 Bucket    512     140      68       23411       0      30     106496        0
        malloc-256    256     254     136       57263       0      62      99840        0
          UMA Kegs    384     226       7         226       0      30      89472        0
        malloc-384    384     211      19         361       0      30      88320        0
         sctp_asoc   2288       5      30         656       0     254      80080        0
       malloc-2048   2048      15      23        4079       0       8      77824        0
        malloc-128    128     544      45       41885       0     126      75392        0
       malloc-8192   8192       5       4          49       0       1      73728        0
             g_bio    408       0     180       14363       0      30      73440        0
           sctp_ep   1272       7      50        4071       0     254      72504        0
        malloc-128    128     497      30        1657       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-16384  16384       3       1           5       0       1      65536        0
         32 Bucket    256     123     132       20664       0      62      65280        0
             unpcb    256      48     192       10326       0     254      61440        0
         malloc-64     64     652     167       59910       0     254      52416        0
     udplite_inpcb    496      16      88        9117       0     254      51584        0
       malloc-8192   8192       6       0           6       0       1      49152        0
         malloc-64     64     340     416      115912       0     254      48384        0
             Files     80     336     264      148880       0     126      48000        0
        malloc-256    256     101      79       43387       0      62      46080        0
       malloc-2048   2048       1      21       12354       0       8      45056        0
            pcpu-8      8    4979     653       26054       0     254      45056        0
              pipe    744      25      35        1735       0      16      44640        0
            clpbuf   2624       0      16          24       0      16      41984        0
           DIRHASH   1024      34       6          34       0      16      40960        0
       malloc-8192   8192       3       2         104       0       1      40960        0
       malloc-2048   2048       3      17        1326       0       8      40960        0
       malloc-1024   1024       5      35         778       0      16      40960        0
       malloc-1024   1024      11      29        1961       0      16      40960        0
         malloc-64     64     495     135        1226       0     254      40320        0
        malloc-384    384      27      73        4815       0      30      38400        0
       tcp_bbr_pcb    832       7      38        6210       0      16      37440        0
             NAMEI   1024       0      36      238601       0      16      36864        0
       malloc-4096   4096       4       5       43596       0       2      36864        0
         TURNSTILE    136     243       9         243       0      62      34272        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0          17       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
        sctp_raddr    736       5      39         677       0     254      32384        0
      tcp_rack_pcb    896       4      32        3803       0      16      32256        0
        malloc-128    128      81     167       82427       0     126      31744        0
        malloc-256    256      54      66        4131       0      62      30720        0
            da_ccb    544       0      56        3699       0      16      30464        0
         malloc-64     64     317     124       11352       0     254      28224        0
         malloc-64     64     118     323       29944       0     254      28224        0
         16 Bucket    144      72     124         880       0      62      28224        0
             KNOTE    160      28     147      630053       0      62      28000        0
        malloc-128    128     141      76        6621       0     126      27776        0
        SLEEPQUEUE     88     243      45         243       0     126      25344        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-4096   4096       3       3           6       0       2      24576        0
        malloc-512    512       8      40         496       0      30      24576        0
               PWD     32      46     710       41292       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
          8 Bucket     80      60     240        7989       0     126      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384       0      60        1775       0      30      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
        malloc-256    256      14      76       43002       0      62      23040        0
       malloc-4096   4096       3       2           6       0       2      20480        0
       malloc-1024   1024      13       7          16       0      16      20480        0
       Mountpoints   2752       2       5           2       0       4      19264        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       1       1           5       0       1      16384        0
       malloc-2048   2048       3       5         836       0       8      16384        0
       malloc-1024   1024      12       4         166       0      16      16384        0
        malloc-512    512      11      21          84       0      30      16384        0
        malloc-512    512       1      31         150       0      30      16384        0
              ertt     72      17     207       15139       0     126      16128        0
         malloc-32     32      90     414       12890       0     254      16128        0
         malloc-32     32     170     334       67434       0     254      16128        0
      vtnet_tx_hdr     24       0     668     2946264       0     254      16032        0
             ripcb    496       5      27         429       0     254      15872        0
         udp_inpcb    496       6      26         476       0     254      15872        0
        malloc-128    128       3     121        3215       0     126      15872        0
      tcp_rack_map    120      12     120        5996       0     126      15840        0
        malloc-384    384      22      18         491       0      30      15360        0
       malloc-2048   2048       2       4          43       0       8      12288        0
       malloc-2048   2048       3       3         194       0       8      12288        0
       malloc-1024   1024       4       8         172       0      16      12288        0
       malloc-1024   1024       8       4           8       0      16      12288        0
         malloc-64     64      95      94         857       0     254      12096        0
         malloc-32     32      78     300        7805       0     254      12096        0
         malloc-32     32      23     355        1092       0     254      12096        0
              kenv    258      15      30        1040       0      30      11610        0
             AIOCB    552       0      21         941       0      16      11592        0
     routing nhops    256      27      18          34       0      62      11520        0
        malloc-256    256      14      31         860       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           8       0       2       8192        0
       malloc-4096   4096       2       0           2       0       2       8192        0
       malloc-4096   4096       0       2          91       0       2       8192        0
       malloc-1024   1024       1       7        1422       0      16       8192        0
        malloc-512    512       3      13         224       0      30       8192        0
        malloc-512    512       3      13         810       0      30       8192        0
           rtentry    176      30      16          34       0      62       8096        0
    tcp_log_bucket    176       0      46           3       0      62       8096        0
             tcptw     88       2      90          51       0     254       8096        0
              PGRP     88      37      55          89       0     126       8096        0
          rl_entry     40     118      84         118       0     254       8080        0
sctp_stream_msg_out    112       0      72          76       0     254       8064        0
        sctp_laddr     48       4     164         300       0     254       8064        0
             udpcb     32      22     230        9593       0     254       8064        0
               ipq     56       0     144           7       0     254       8064        0
              AIOP     32       4     248           4       0     254       8064        0
         malloc-64     64      51      75       17294       0     254       8064        0
         malloc-32     32       9     243         308       0     254       8064        0
         malloc-32     32     101     151        1607       0     254       8064        0
         malloc-32     32      55     197         469       0     254       8064        0
          4 Bucket     48       6     162         923       0     254       8064        0
          2 Bucket     32      61     191        4626       0     254       8064        0
         malloc-16     16       7     493        2509       0     254       8000        0
         malloc-16     16      24     476        5012       0     254       8000        0
         malloc-16     16      57     443       39825       0     254       8000        0
         malloc-16     16     213     287        1477       0     254       8000        0
         malloc-16     16      39     461          52       0     254       8000        0
         malloc-16     16     276     224       25688       0     254       8000        0
         malloc-16     16      37     463        1682       0     254       8000        0
      tcp_log_node    120       0      66           5       0     126       7920        0
        sctp_readq    152       0      52          34       0     254       7904        0
        sctp_chunk    152       2      50         128       0     254       7904        0
               AIO    208       0      38         698       0      62       7904        0
           cryptop    280       0      28         624       0      30       7840        0
            itimer    352       0      22          16       0      30       7744        0
            AIOLIO    272       0      28          27       0      30       7616        0
            cpuset    104       8      54          82       0     126       6448        0
         domainset     40       0     126          61       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       4       4           4       0      30       4096        0
        malloc-512    512       0       8         100       0      30       4096        0
        malloc-512    512       0       8          15       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
         hostcache     64       2      61           2       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
       L VFS Cache    320       0      12           1       0      30       3840        0
        malloc-384    384       1       9           1       0      30       3840        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
           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     128          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0       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
    IPsec SA lft_c     16       0       0           0       0     254          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
        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
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2021/10/24 16:25 freebsd-src dfd704b7fb2c 282f03fb console log report panic: ASan: Invalid access, NUM-byte read in newreno_ack_received
ci-freebsd-i386 2021/10/25 02:02 freebsd-src eab5358b9080 4f0000ee console log report panic: ASan: Invalid access, NUM-byte read in newreno_ack_received
* Struck through repros no longer work on HEAD.