syzbot


panic: _mtx_lock_sleep: recursed on non-recursive mutex sctp-tcb @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.

Status: auto-closed as invalid on 2021/02/28 18:58
Reported-by: syzbot+d9743cd97b6e2feab284@syzkaller.appspotmail.com
First crash: 1306d, last: 1274d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: _mtx_lock_sleep: recursed on non-recursive mutex sctp-tcb @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb. (3) syz 7 124d 625d 0/2 upstream: reported syz repro on 2022/09/11 14:28
freebsd panic: _mtx_lock_sleep: recursed on non-recursive mutex sctp-tcb @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb. (2) 3 1077d 1126d 0/2 auto-closed as invalid on 2021/09/13 23:18

Sample crash report:
panic: _mtx_lock_sleep: recursed on non-recursive mutex sctp-tcb @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3361

cpuid = 1
time = 4294968388
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82df5670
vpanic() at vpanic+0x1c7/frame 0xffffffff82df56d0
panic() at panic+0x43/frame 0xffffffff82df5730
__mtx_lock_sleep() at __mtx_lock_sleep+0x6e9/frame 0xffffffff82df57c0
__mtx_lock_flags() at __mtx_lock_flags+0x150/frame 0xffffffff82df5820
sctp_inpcb_free() at sctp_inpcb_free+0x4de/frame 0xffffffff82df58a0
sctp_free_assoc() at sctp_free_assoc+0x2890/frame 0xffffffff82df5930
sctp_load_addresses_from_init() at sctp_load_addresses_from_init+0x1201/frame 0xffffffff82df62c0
sctp_process_control() at sctp_process_control+0x9318/frame 0xffffffff82df6750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xffffffff82df68e0
sctp_input_with_port() at sctp_input_with_port+0x308/frame 0xffffffff82df69d0
sctp_input() at sctp_input+0x1f/frame 0xffffffff82df69f0
ip_input() at ip_input+0x388/frame 0xffffffff82df6a90
swi_net() at swi_net+0x20d/frame 0xffffffff82df6b10
ithread_loop() at ithread_loop+0x33f/frame 0xffffffff82df6bb0
fork_exit() at fork_exit+0xb3/frame 0xffffffff82df6bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xffffffff82df6bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100020 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1472006(%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         0xffffffff810f63a0  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xffffffff82df5650
rbp         0xffffffff82df5670
rsi                          0
rdi         0xffffffff810f63d6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11                     0x75fd  ll+0x75dc
r12         0xffffffff820671c0  ddb_dbbe
r13                          0
r14         0xffffffff8197bda4
r15         0xffffffff8197bda4
rip         0xffffffff810ea6f7  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x1472006(%rip)
db> show proc
Process 12 (intr) at 0xfffff8000447aa50:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8250fc70
 ABI: null
 reaper: 0xffffffff8250fc70 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff825108c0
   (map 0xffffffff825108c0)
   (map.pmap 0xffffffff82510980)
   (pmap 0xffffffff825109e0)
 threads: 23
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 1                       [swi1: netisr 0]
100021                   I                                   [swi3: vm]
100022                   Run     CPU 0                       [swi4: clock (0)]
100023                   I                                   [swi4: clock (1)]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   RunQ                                [swi1: hpts]
100074                   RunQ                                [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
26335   798   798     0  R       (threaded)                  syz-executor.2
140298                   RunQ                                syz-executor.2
143058                   RunQ                                syz-executor.2
26333   778   778     0  RE                                  syz-executor.1
26329   777   777     0  R       (threaded)                  syz-executor.0
140833                   RunQ                                syz-executor.0
143043                   S       sbwait  0xfffff8001e949574  syz-executor.0
143045                   S       sbwait  0xfffff8001e8ee1c4  syz-executor.0
143047                   S       uwait   0xfffff80027256400  syz-executor.0
143049                   S       uwait   0xfffff80027256600  syz-executor.0
143052                   S       uwait   0xfffff80027836200  syz-executor.0
26328   852   852     0  R       (threaded)                  syz-executor.3
140711                   RunQ                                syz-executor.3
143042                   S       sbwait  0xfffff8001e946cd4  syz-executor.3
143044                   S       sbwait  0xfffff8001e95f924  syz-executor.3
143046                   S       uwait   0xfffff80027be3c80  syz-executor.3
143048                   S       uwait   0xfffff80004de9180  syz-executor.3
143054                   S       uwait   0xfffff800292c2500  syz-executor.3
 1514  1508  1514     0  Ss      select  0xfffff800292c2a40  dhclient
 1511     1  1511     0  Ss      select  0xfffff800292c2ac0  dhclient
 1508  1501   436    65  S       select  0xfffff800278369c0  dhclient
 1501   436   436     0  S       wait    0xfffff80027a91528  sh
 1489     1  1489    65  Ss      select  0xfffff800292c2b40  dhclient
  986     1   986     0  Ss      select  0xfffff800292c2cc0  dhclient
  983     1   983     0  Ss      select  0xfffff80027836ac0  dhclient
  852   774   852     0  Rs                                  syz-executor.3
  798   774   798     0  Rs                                  syz-executor.2
  778   774   778     0  Rs                                  syz-executor.1
  777   774   777     0  Rs                                  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100105                   S       kqread  0xfffff80027344800  syz-fuzzer
100106                   S       uwait   0xfffff8002722f000  syz-fuzzer
100107                   S       uwait   0xfffff8002722f100  syz-fuzzer
100108                   S       uwait   0xfffff80027256880  syz-fuzzer
100109                   S       uwait   0xfffff80027836e80  syz-fuzzer
100110                   S       uwait   0xfffff80027256000  syz-fuzzer
100111                   S       uwait   0xfffff80027836d80  syz-fuzzer
100113                   S       uwait   0xfffff80027256100  syz-fuzzer
100133                   S       uwait   0xfffff80027ab8900  syz-fuzzer
130232                   S       uwait   0xfffff80027be3100  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffff80004e2fb00  csh
  770   694   770     0  Ss      select  0xfffff800272566c0  sshd
  754     1   754     0  Ss+     ttyin   0xfffff8000488acb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b6e8b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004b6ecb0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004b660b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004b664b0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004b668b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004b66cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004b010b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b014b0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8252fe61  cron
  694     1   694     0  Ss      select  0xfffff8002722f2c0  sshd
  507     1   507     0  Ss      select  0xfffff8002722f340  syslogd
  436     1   436     0  Ss      wait    0xfffff80004e72000  devd
  435     1   435    65  Ss      select  0xfffff8002722f540  dhclient
  350     1   350     0  Ss      select  0xfffff8002722f5c0  dhclient
  347     1   347     0  Ss      select  0xfffff8002722f640  dhclient
   23     0     0     0  DL      syncer  0xffffffff8261d238  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004b82528  [vnlru]
   21     0     0     0  RL      (threaded)                  [bufdaemon]
100070                   RunQ                                [bufdaemon]
100075                   RunQ                                [bufspacedaemon-0]
100088                   RunQ                                [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82643788  [vmdaemon]
   19     0     0     0  RL      (threaded)                  [pagedaemon]
100068                   RunQ                                [dom0]
100076                   D       launds  0xffffffff82637c04  [laundry: dom0]
100077                   D       umarcl  0xffffffff814f68d0  [uma]
   18     0     0     0  RL                                  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82c97818  [sctp_iterator]
   16     0     0     0  RL                                  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223bfc0  [doneq0]
100067                   D       -       0xffffffff8223be90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80004512d90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004512d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82635110  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800044ec888  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff8250f6e0  [g_event]
100026                   D       -       0xffffffff8250f6e8  [g_up]
100027                   D       -       0xffffffff8250f6f0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff8000448ee00  [thr_0]
100019                   D       -       0xfffff8000448ee80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 1                       [swi1: netisr 0]
100021                   I                                   [swi3: vm]
100022                   Run     CPU 0                       [swi4: clock (0)]
100023                   I                                   [swi4: clock (1)]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   RunQ                                [swi1: hpts]
100074                   RunQ                                [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004453528  [init]
   10     0     0     0  DL      audit_w 0xffffffff82635630  [audit]
    0     0     0     0  RLs     (threaded)                  [kernel]
100000                   RunQ                                [swapper]
100005                   D       -       0xfffff80004477e00  [if_io_tqg_0]
100006                   D       -       0xfffff80004477d00  [if_io_tqg_1]
100007                   D       -       0xfffff80004477c00  [if_config_tqg_0]
100008                   RunQ                                [softirq_0]
100009                   D       -       0xfffff80004477a00  [softirq_1]
100010                   D       -       0xfffff80004342200  [in6m_free taskq]
100011                   D       -       0xfffff80004342000  [thread taskq]
100013                   D       -       0xfffff80004478b00  [inm_free taskq]
100014                   D       -       0xfffff80004478900  [kqueue_ctx taskq]
100017                   D       -       0xfffff80004478300  [aiod_kick taskq]
100024                   D       -       0xfffff8000449b800  [firmware taskq]
100029                   D       -       0xfffff8000449b100  [crypto_0]
100030                   D       -       0xfffff8000449b100  [crypto_1]
100044                   D       -       0xfffff80004511100  [vtnet0 rxq 0]
100045                   D       -       0xfffff80004511000  [vtnet0 txq 0]
100046                   D       -       0xfffff80004869e00  [vtnet0 rxq 1]
100047                   D       -       0xfffff80004869d00  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004660a80  [virtio_balloon]
100053                   D       -       0xfffff80004883c00  [mca taskq]
100054                   D       -       0xffffffff81d244f1  [deadlkres]
100062                   D       -       0xfffff80004b5ad00  [acpi_task_0]
100063                   D       -       0xfffff80004b5ad00  [acpi_task_1]
100064                   D       -       0xfffff80004b5ad00  [acpi_task_2]
100066                   D       -       0xfffff80004511900  [CAM taskq]
db> show all locks
Process 26335 (syz-executor.2) thread 0xfffffe0094ca7300 (143058)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8001e343e88) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_usrreq.c:7005
Process 26333 (syz-executor.1) thread 0xfffffe0094c52100 (140493)
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe0003609b40) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8004
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe0094c76500) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:7924
Process 12 (intr) thread 0xfffffe000389ea00 (100020)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8001e269468) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3333
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe00047982d0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3331
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8001e269488) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3330
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094ef7380) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:1473
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4339K         4244
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        29250         1706K        29315
              kobj          337         1348K          498
            newblk            6         1026K        33443
          vfscache            3         1025K            3
               pcb          129          652K        96301
          inodedep           11          516K        31815
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           pf_rule          307          307K          382
           subproc          134          261K        26412
            acpica         1674          184K        54316
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            9          130K        51303
        tfo_ccache            1          128K            1
          filedesc           16          121K        50575
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          254           97K          294
         sctp_timw          345           87K          345
               bus          994           81K         3317
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
         sctp_stro           54           54K        24528
               BPF           30           53K           30
              umtx          360           45K          360
           kdtrace          210           42K        69395
         sctp_atcl          109           41K        78715
          pf_table           19           38K           27
              temp           35           33K         2607
         hostcache            1           32K            1
               shm            1           32K           54
            DEVFS3          124           31K          134
               msg            4           30K            4
          routetbl          100           28K          133
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
            ifaddr           72           21K           73
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
           lltable           46           15K          340
            bus-sc           31           14K         1554
       ether_multi          157           13K          182
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          125           11K          125
              GEOM           60           10K          489
              rman           82           10K          423
         in6_multi           71            9K           71
         bmsafemap            2            9K        25997
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K          229
              cred           32            8K          799
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          233            8K          291
         sctp_atky          160            7K       110284
            sglist            5            7K            5
           CAM DEV            3            6K          510
            kqueue           60            6K        26441
          pf_ifnet           16            6K          331
            plimit           22            6K          516
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
       ufs_dirhash           24            5K           24
            DEVFSP           74            5K           78
                vt           11            5K           11
               UMA          254            5K          254
           memdesc            1            4K            1
               MCA           32            4K           32
          kcovinfo           64            4K           68
             evdev            4            4K            4
           pwddesc           57            4K        26336
           session           28            4K           49
              pgrp           28            4K           51
             hhook           13            4K           13
          terminal           11            3K           11
           acpisem           22            3K           22
             lockf           24            3K          125
         proc-args           47            3K          694
         sctp_stri            5            3K        11790
           uidinfo            4            3K           49
             selfd           37            3K       346468
            dirrem            9            3K        25628
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
          sctp_ifa           15            2K           17
            ip6ndp           12            2K           15
         sctp_athm          109            2K        84057
          sctp_map          108            2K        48060
            select           13            2K          177
           CAM XPT           22            2K          543
          in_multi            6            2K           11
            Unitno           25            2K          121
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
          freefile            9            2K        25623
             clone            9            2K            9
               tun            7            2K            7
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K          186
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
          sctp_ifn            6            1K           17
               mld            6            1K            6
              igmp            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
             mkdir            5            1K        50608
 encap_export_host           12            1K           12
            crypto            3            1K            3
       inpcbpolicy           18            1K        22149
         newdirblk            4            1K        25304
            diradd            4            1K        25665
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
    chacha20random            1            1K            1
          procdesc            3            1K           14
               osd            3            1K            9
            vnodes            1            1K            5
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
        loginclass            3            1K            6
            prison            6            1K            6
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
          freework            1            1K        28049
           tcpfunc            2            1K            2
            soname            5            1K        57087
               iov            2            1K        53989
          pmchooks            1            1K            1
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           44
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
          filecaps            3            1K          158
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K        35168
         sctp_iter            0            0K          340
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K          329
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096       6   62228       77198       0     254  254910464        0
      mbuf_cluster   2048   19658       2       19659       0     254   40263680        0
              mbuf    256     900   63330     1066362       0     254   16442880        0
       UMA Slabs 0    112   74115       6       74115       0     126    8301552        0
       mbuf_packet    256    8402   11128     1226377       0     254    4999680        0
              pbuf   2632       0     957           0       0       2    2518824        0
        RADIX NODE    144   15688     661      785932       0      63    2354256        0
         sctp_asoc   2288      51     949       24030       0     254    2288000        0
           tcp_log    416       0    5247       37322       0     254    2182752        0
       malloc-2048   2048      52     952      116554       0       8    2056192        0
          BUF TRIE    144     271   13197       62899       0      62    1939392        0
        malloc-384    384    4139      21        4203       0      30    1597440        0
        256 Bucket   2048     740      16       82947       0       8    1548288        0
       malloc-4096   4096     337       1         498       0       2    1384448        0
        malloc-128    128   10527      75       11019       0     126    1357056        0
           sctp_ep   1280      53     952       47242       0     254    1286400        0
       malloc-1024   1024      56     940       24067       0      16    1019904        0
        malloc-384    384     162    1888       78768       0      30     787200        0
        sctp_raddr    736      73     928       38882       0     254     736736        0
         FFS inode   1128     514      25       26145       0       8     607992        0
            socket    944      35     445       73696       0     254     453120        0
      malloc-65536  65536       0       6         493       0       1     393216        0
         VM OBJECT    264    1321      74      387045       0      30     368280        0
      malloc-65536  65536       3       2          11       0       1     327680        0
       malloc-1024   1024     313       7        1708       0      16     327680        0
            THREAD   1792     151      29       43058       0       8     322560        0
             VNODE    488     551      89       26184       0      30     312320        0
       malloc-4096   4096      61       9       27569       0       2     286720        0
       tcp_bbr_map    128       0    2170       11208       0     126     277760        0
        malloc-256    256      73     992       73221       0      62     272640        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-32768  32768       2       6           8       0       1     262144        0
         malloc-16     16   12341    1909       60368       0     254     228000        0
     udplite_inpcb    488       6     458       14026       0     254     226432        0
            DEVCTL   1024       8     204         128       0       0     217088        0
      malloc-16384  16384       8       5       25286       0       1     212992        0
        malloc-256    256     398     427       34299       0      62     211200        0
             g_bio    408       0     470      274163       0      30     191760        0
         malloc-64     64    2754      81        2842       0     254     181440        0
         MAP ENTRY     96    1496     394     1443973       0     126     181440        0
         UMA Zones    768     226       3         226       0      16     175872        0
         malloc-32     32    4798     620       52270       0     254     173376        0
       FFS2 dinode    256     514     131       26145       0      62     165120        0
      malloc-32768  32768       0       5        3743       0       1     163840        0
        malloc-128    128    1126      83       25315       0     126     154752        0
       S VFS Cache    104    1018     386       27285       0     126     146016        0
       malloc-4096   4096      31       3          50       0       2     139264        0
         vmem btag     56    2398      38        2398       0     254     136416        0
      malloc-65536  65536       0       2         201       0       1     131072        0
      malloc-65536  65536       0       2         124       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
           VMSPACE   2544      35      16       26314       0       4     129744        0
       malloc-1024   1024     117       7         154       0      16     126976        0
            clpbuf   2632       0      48          66       0      16     126336        0
        128 Bucket   1024      80      35        9113       0      16     117760        0
          ksiginfo    112      64     980        2919       0     126     116928        0
sctp_stream_msg_out    112      29     943        9773       0     254     108864        0
        malloc-256    256     270     135       97933       0      62     103680        0
              PROC   1320      57      18       26335       0       8      99000        0
        malloc-384    384      10     240       31814       0      30      96000        0
        sctp_chunk    152      46     526       22685       0     254      86944        0
         filedesc0   1072      57      20       26336       0       8      82544        0
          UMA Kegs    384     212       1         212       0      30      81792        0
         malloc-32     32     410    1984       72984       0     254      76608        0
        malloc-128    128     160     429       77248       0     126      75392        0
        malloc-128    128     312     277       26388       0     126      75392        0
       malloc-8192   8192       6       3          34       0       1      73728        0
         64 Bucket    512      79      65        9742       0      30      73728        0
        malloc-256    256     152     133       92942       0      62      72960        0
         32 Bucket    256     141     144       19508       0      62      72960        0
         malloc-64     64     574     560      374009       0     254      72576        0
         malloc-64     64      91    1043       35929       0     254      72576        0
      malloc-32768  32768       0       2         126       0       1      65536        0
      malloc-16384  16384       3       1           8       0       1      65536        0
             tcpcb   1048       5      50        1762       0     254      57640        0
       malloc-8192   8192       1       6          10       0       1      57344        0
         malloc-64     64     263     556       52891       0     254      52416        0
        malloc-128    128     133     270       25817       0     126      51584        0
        sctp_readq    152       1     337        6859       0     254      51376        0
             unpcb    256      15     180        4240       0     254      49920        0
       malloc-8192   8192       2       4          16       0       1      49152        0
       malloc-2048   2048       9      15         618       0       8      49152        0
       malloc-2048   2048      22       0          42       0       8      45056        0
            pcpu-8      8    5419     213        5762       0     254      45056        0
           pf tags    104     378      51         382       0     126      44616        0
         malloc-64     64     523     170        1624       0     254      44352        0
             ripcb    488       5      83        5808       0     254      42944        0
        malloc-384    384      96      14         507       0      30      42240        0
        malloc-256    256      25     140       79728       0      62      42240        0
              pipe    744      21      34        2277       0      16      40920        0
             Files     80     208     292      114362       0     126      40000        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36      120779       0      16      36864        0
         malloc-64     64     327     240       27498       0     254      36288        0
         16 Bucket    144     102     150       46927       0      62      36288        0
         malloc-16     16     168    2082       84596       0     254      36000        0
          8 Bucket     80     160     290       41767       0     126      36000        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           5       0       1      32768        0
      malloc-16384  16384       0       2         153       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
       malloc-8192   8192       2       2         124       0       1      32768        0
        malloc-512    512       5      59       11788       0      30      32768        0
           pcpu-64     64     452      60         452       0     254      32768        0
        malloc-128    128     142     106        1734       0     126      31744        0
        malloc-384    384      61      19         372       0      30      30720        0
               PWD     32      19     863       25410       0     254      28224        0
          4 Bucket     48       7     581       26480       0     254      28224        0
             KNOTE    160      28     147      360993       0      62      28000        0
        malloc-256    256      49      56         593       0      62      26880        0
         TURNSTILE    136     181       8         181       0      62      25704        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       4       2           8       0       2      24576        0
       malloc-4096   4096       1       5       25744       0       2      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
         tcp_inpcb    488       5      43        1762       0     254      23424        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-256    256      62      28        7203       0      62      23040        0
        malloc-256    256      70      20         688       0      62      23040        0
       tcp_bbr_pcb    832       0      27         274       0      16      22464        0
       malloc-4096   4096       3       2          19       0       2      20480        0
       malloc-2048   2048       3       7         113       0       8      20480        0
       malloc-2048   2048       6       4         318       0       8      20480        0
       malloc-1024   1024      18       2          18       0      16      20480        0
        sctp_laddr     48      20     400        5881       0     254      20160        0
             udpcb     32       6     624       14579       0     254      20160        0
          2 Bucket     32      89     541       25124       0     254      20160        0
        SLEEPQUEUE     88     181      43         181       0     126      19712        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-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       7       1           7       0       8      16384        0
       malloc-1024   1024      14       2          14       0      16      16384        0
      vtnet_tx_hdr     24       0     668      607288       0     254      16032        0
        malloc-128    128      55      69        7065       0     126      15872        0
        malloc-384    384      25      15          29       0      30      15360        0
       malloc-1024   1024       4       8         391       0      16      12288        0
        malloc-512    512       1      23         123       0      30      12288        0
        malloc-512    512       8      16         103       0      30      12288        0
         udp_inpcb    488       2      22         553       0     254      11712        0
     routing nhops    256      28      17          40       0      62      11520        0
            cpuset    104       8      85         982       0     126       9672        0
       malloc-4096   4096       1       1           3       0       2       8192        0
       malloc-2048   2048       1       3         668       0       8       8192        0
       malloc-2048   2048       3       1         194       0       8       8192        0
       malloc-1024   1024       3       5          22       0      16       8192        0
        malloc-512    512       2      14         515       0      30       8192        0
        malloc-512    512       3      13         600       0      30       8192        0
        malloc-512    512       2      14         186       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
           rtentry    176      32      14          40       0      62       8096        0
          rl_entry     40      83     119          83       0     254       8080        0
         malloc-64     64      75      51          94       0     254       8064        0
         malloc-64     64       4     122        1428       0     254       8064        0
         malloc-32     32       8     244          33       0     254       8064        0
         malloc-32     32     101     151       18431       0     254       8064        0
         malloc-32     32      75     177        2309       0     254       8064        0
         malloc-32     32      58     194        4684       0     254       8064        0
         malloc-32     32       3     249         486       0     254       8064        0
         malloc-32     32      30     222        2724       0     254       8064        0
         malloc-16     16      16     484          46       0     254       8000        0
         malloc-16     16      29     471       55675       0     254       8000        0
         malloc-16     16     188     312       25396       0     254       8000        0
         malloc-16     16     257     243         950       0     254       8000        0
         malloc-16     16      27     473       24503       0     254       8000        0
        malloc-128    128      18      44         122       0     126       7936        0
              kenv    258       3      27        1016       0      30       7740        0
     FPU_save_area    832       1       8           1       0      16       7488        0
         domainset     40       0     126         928       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-1024   1024       2       2           2       0      16       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
    tcp_log_bucket    176       0      23           2       0      62       4048        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           4       0     254       4032        0
               ipq     56       0      72           2       0     254       4032        0
         malloc-16     16       8     242           8       0     254       4000        0
      tcp_log_node    120       0      33           3       0     126       3960        0
       UMA Slabs 1    176      10      12          10       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
        malloc-384    384       1       9           1       0      30       3840        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      61           2       0     254       2016        0
        SMR SHARED     24       2      61           2       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          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
   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    296       0       0           0       0     254          0        0
          pf mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     88       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    488       0       0           0       0      30          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      62          0        0
            mdpbuf   2632       0       0           0       0       4          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       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-4096   4096       0       0           0       0       2          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 (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/11/30 18:57 freebsd 89befc5cdf9f 76831598 console log report ci-freebsd-main
2020/11/09 22:13 freebsd 2a82a067f7d3 64069d48 console log report ci-freebsd-main
2020/10/29 20:49 freebsd ab87aa442bd4 a0c7169a console log report ci-freebsd-main
* Struck through repros no longer work on HEAD.