syzbot


panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:

Status: auto-closed as invalid on 2021/03/22 03:39
Reported-by: syzbot+a528f9f21a4dc1146165@syzkaller.appspotmail.com
First crash: 1257d, last: 1209d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c: (2) 9 997d 1090d 2/2 fixed on 2021/09/10 22:39

Sample crash report:
panic: Assertion owner->td_proc->p_magic == P_MAGIC failed at /syzkaller/managers/i386/kernel/sys/kern/subr_turnstile.c:749
cpuid = 0
time = 1608608316
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe000373b030
vpanic() at vpanic+0x1c7/frame 0xfffffe000373b090
panic() at panic+0x43/frame 0xfffffe000373b0f0
turnstile_wait() at turnstile_wait+0x4e6/frame 0xfffffe000373b150
__mtx_lock_sleep() at __mtx_lock_sleep+0x334/frame 0xfffffe000373b1e0
__mtx_lock_flags() at __mtx_lock_flags+0x150/frame 0xfffffe000373b240
socantrcvmore() at socantrcvmore+0x2c/frame 0xfffffe000373b260
sctp_notify_assoc_change() at sctp_notify_assoc_change+0x5b8/frame 0xfffffe000373b2d0
sctp_process_control() at sctp_process_control+0x92ce/frame 0xfffffe000373b750
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe000373b8e0
sctp_input_with_port() at sctp_input_with_port+0x308/frame 0xfffffe000373b9d0
sctp_input() at sctp_input+0x1f/frame 0xfffffe000373b9f0
ip_input() at ip_input+0x388/frame 0xfffffe000373ba90
swi_net() at swi_net+0x20d/frame 0xfffffe000373bb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe000373bbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe000373bbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe000373bbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100021 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1477096(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xffffffff810f1380  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe000373b010
rbp         0xfffffe000373b030
rsi                          0
rdi         0xffffffff810f13b6  vprintf+0x176
r8                           0
r9                  0xffffffff
r10         0xfffffe000373b7dc
r11                       0xbf
r12         0xffffffff820671c0  ddb_dbbe
r13                          0
r14         0xffffffff8197de5c
r15         0xffffffff8197de5c
rip         0xffffffff810e56e7  kdb_enter+0x67
rflags                    0x82
kdb_enter+0x67: movq    $0,0x1477096(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004471a50:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8250fd30
 ABI: null
 reaper: 0xffffffff8250fd30 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff82510980
   (map 0xffffffff82510980)
   (map.pmap 0xffffffff82510a40)
   (pmap 0xffffffff82510aa0)
 threads: 23
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100020                   I                                   [swi3: vm]
100021                   Run     CPU 0                       [swi1: netisr 0]
100022                   I                                   [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                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 6723  1454  1454     0  R       (threaded)                  syz-executor.3
100124                   Run     CPU 1                       syz-executor.3
108797                   S       uwait   0xfffff8001bacda80  syz-executor.3
108798                   RunQ                                syz-executor.3
 6722   834   834     0  S       (threaded)                  syz-executor.2
100500                   S       nanslp  0xffffffff8252ff21  syz-executor.2
108793                   S       connec  0xfffff800711ad840  syz-executor.2
108794                   S       uwait   0xfffff8001bc1a700  syz-executor.2
 6720   777   777     0  S       (threaded)                  syz-executor.0
100979                   S       nanslp  0xffffffff8252ff20  syz-executor.0
108789                   S       connec  0xfffff800710190e0  syz-executor.0
 6718   779   779     0  S       (threaded)                  syz-executor.1
100091                   S       nanslp  0xffffffff8252ff21  syz-executor.1
108784                   S       connec  0xfffff800711ad0e0  syz-executor.1
108785                   S       uwait   0xfffff8001bacd480  syz-executor.1
 4174     1  4174    65  Ss      select  0xfffff8001ba51640  dhclient
 2806     1  2806     0  Ss      select  0xfffff8001ba51dc0  dhclient
 2803     1  2803     0  Ss      select  0xfffff8001ba51e40  dhclient
 2784     1  2784    65  Ss      select  0xfffff8001ba51ec0  dhclient
 2139     1  2139     0  Ss      select  0xfffff800046dd7c0  dhclient
 2136     1  2136     0  Ss      select  0xfffff800046dd1c0  dhclient
 2117     1  2117    65  Ss      select  0xfffff800046dd240  dhclient
 1654     1  1654     0  Ss      select  0xfffff800046dd5c0  dhclient
 1651     1  1651     0  Ss      select  0xfffff800046e00c0  dhclient
 1632     1  1632    65  Ss      select  0xfffff80004534ec0  dhclient
 1454   774  1454     0  Ss      nanslp  0xffffffff8252ff21  syz-executor.3
 1020     1  1020     0  Ss      select  0xfffff800046dd6c0  dhclient
 1017     1  1017     0  Ss      select  0xfffff800046dd840  dhclient
  834   774   834     0  Ss      nanslp  0xffffffff8252ff21  syz-executor.2
  779   774   779     0  Ss      nanslp  0xffffffff8252ff21  syz-executor.1
  777   774   777     0  Ss      nanslp  0xffffffff8252ff21  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100103                   S       kqread  0xfffff8001b33fa00  syz-fuzzer
100106                   S       uwait   0xfffff80004dbf900  syz-fuzzer
100107                   S       uwait   0xfffff80004dbfa00  syz-fuzzer
100108                   S       uwait   0xfffff80004dbfb00  syz-fuzzer
100109                   S       uwait   0xfffff80004dbfc00  syz-fuzzer
100110                   S       uwait   0xfffff80004dbfd00  syz-fuzzer
100111                   S       uwait   0xfffff80004dbfe00  syz-fuzzer
100112                   S       uwait   0xfffff80004dbff00  syz-fuzzer
100114                   S       uwait   0xfffff8001bb35900  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffff80004e04b00  csh
  770   694   770     0  Ss      select  0xfffff800046dd640  sshd
  754     1   754     0  Ss+     ttyin   0xfffff80004878cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b500b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004b504b0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004b508b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004b50cb0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004b590b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004b594b0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004b598b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b59cb0  getty
  698     1   698     0  Ss      nanslp  0xffffffff8252ff20  cron
  694     1   694     0  Ss      select  0xfffff800046dd8c0  sshd
  507     1   507     0  Ss      select  0xfffff800046e0bc0  syslogd
  436     1   436     0  Ss      select  0xfffff800046dff40  devd
  435     1   435    65  Ss      select  0xfffff800046dfc40  dhclient
  350     1   350     0  Ss      select  0xfffff800046dfec0  dhclient
  347     1   347     0  Ss      select  0xfffff80004534e40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8261f2b8  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004d72a50  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff8261e3a0  [bufdaemon]
100075                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100086                   D       sdflush 0xfffff80004d3f0e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82645848  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff82639cb8  [dom0]
100076                   D       launds  0xffffffff82639cc4  [laundry: dom0]
100077                   D       umarcl  0xffffffff814f6e00  [uma]
   18     0     0     0  DL      -       0xffffffff823642e8  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82df9818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82b69390  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261b95c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261b95c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261b95c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261b95c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223c040  [doneq0]
100067                   D       -       0xffffffff8223bf10  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff800044eb990  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff800044eb930  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff826371b0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80004083888  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff8250f7a0  [g_event]
100026                   D       -       0xffffffff8250f7a8  [g_up]
100027                   D       -       0xffffffff8250f7b0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004344b00  [thr_0]
100019                   D       -       0xfffff80004344b80  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100020                   I                                   [swi3: vm]
100021                   Run     CPU 0                       [swi1: netisr 0]
100022                   I                                   [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                   I                                   [swi1: hpts]
100074                   I                                   [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 0xffffffff826376d0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250fd30  [swapper]
100005                   D       -       0xfffff80004349d00  [softirq_0]
100006                   D       -       0xfffff80004349c00  [softirq_1]
100007                   D       -       0xfffff80004349b00  [if_io_tqg_0]
100008                   D       -       0xfffff80004349a00  [if_io_tqg_1]
100009                   D       -       0xfffff80004349900  [if_config_tqg_0]
100010                   D       -       0xfffff80004349800  [kqueue_ctx taskq]
100011                   D       -       0xfffff80004349700  [inm_free taskq]
100014                   D       -       0xfffff80004349400  [aiod_kick taskq]
100015                   D       -       0xfffff80004349300  [thread taskq]
100016                   D       -       0xfffff80004349200  [in6m_free taskq]
100024                   D       -       0xfffff80004349000  [firmware taskq]
100029                   D       -       0xfffff800044c3e00  [crypto_0]
100030                   D       -       0xfffff800044c3e00  [crypto_1]
100044                   D       -       0xfffff800044c3a00  [vtnet0 rxq 0]
100045                   D       -       0xfffff800044c3900  [vtnet0 txq 0]
100046                   D       -       0xfffff800044c3800  [vtnet0 rxq 1]
100047                   D       -       0xfffff800044c3700  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff800046e0200  [virtio_balloon]
100053                   D       -       0xfffff800044c3600  [mca taskq]
100058                   D       -       0xffffffff81d263d1  [deadlkres]
100062                   D       -       0xfffff800044c3400  [acpi_task_0]
100063                   D       -       0xfffff800044c3400  [acpi_task_1]
100064                   D       -       0xfffff800044c3400  [acpi_task_2]
100066                   D       -       0xfffff800044c3d00  [CAM taskq]
db> show all locks
Process 6723 (syz-executor.3) thread 0xfffffe0094e29000 (100124)
exclusive sleep mutex umtxql (umtxql) r = 0 (0xffffffff82556150) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_umtx.c:511
Process 6723 (syz-executor.3) thread 0xfffffe0094ed7c00 (108798)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff800710dae88) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:7005
Process 12 (intr) thread 0xfffffe000470d300 (100021)
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe0094ec08b0) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_pcb.c:2143
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        29670         1738K        29735
              kobj          336         1344K          496
            newblk            5         1025K        14222
          vfscache            3         1025K            3
               pcb           44          553K         6131
          inodedep            6          514K         8627
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          145          283K         6809
            acpica         1674          184K        54410
         vnet_data            1          168K            1
           tidhash            3          141K            3
          filedesc           18          137K        11482
           pagedep            9          130K        12346
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          268           99K          311
               BPF           46           88K           46
               bus          990           80K         3306
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              umtx          342           43K          342
           kdtrace          215           42K        15523
              temp           36           35K         3633
         hostcache            1           32K            1
               shm            1           32K           13
            DEVFS3          124           31K          134
               msg            4           30K            4
              vmem            3           26K            4
        gtaskqueue           18           26K           18
            ifaddr           75           22K           75
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           31           14K         1547
       ether_multi          157           13K          180
            KTRACE          100           13K          100
             ifnet            7           13K            7
           lltable           40           12K           79
              kenv           92           12K           92
      eventhandler          126           11K          126
              GEOM           60           10K          489
              rman           82           10K          423
         in6_multi           71            9K           78
              cred           36            9K          993
         bmsafemap            2            9K         6547
              UART           12            9K           12
           devstat            4            9K            4
         sctp_timw           32            8K           32
              ksem            1            8K           28
               rpc            2            8K            2
             shmfd            1            8K           31
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          233            8K          291
          routetbl           31            7K         2821
            kqueue           65            7K         6843
            sglist            5            7K            5
         sctp_stro            6            6K          486
           CAM DEV            3            6K          510
            plimit           24            6K          482
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
         sctp_atcl           13            5K         2333
            DEVFSP           78            5K          100
       ufs_dirhash           24            5K           24
          pf_ifnet           12            5K          485
           session           35            5K           53
              pgrp           35            5K           54
               UMA          258            5K          258
                vt           11            5K           11
          pf_table            2            4K          699
           memdesc            1            4K            1
               MCA           32            4K           32
          kcovinfo           64            4K           85
             evdev            4            4K            4
           pwddesc           63            4K         6724
             selfd           55            4K        82140
             lockf           32            4K          224
             hhook           13            4K           13
         proc-args           52            3K          705
          terminal           11            3K           11
           acpisem           22            3K           22
            select           19            3K           95
           uidinfo            4            3K           27
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           16
          sctp_ifa           14            2K           18
           CAM XPT           22            2K          543
            Unitno           26            2K           46
          in_multi            6            2K            9
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             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           50
      NFSD session            1            1K            1
        CAM periph            4            1K          271
         sctp_atky           21            1K         3012
             ipsec            3            1K            3
          sctp_ifn            6            1K           18
               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        11498
 encap_export_host           12            1K           12
          procdesc            5            1K           18
            crypto            3            1K            3
       inpcbpolicy           17            1K         4198
         newdirblk            4            1K         5749
            diradd            4            1K         6190
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
    chacha20random            1            1K            1
               osd            3            1K           10
            dirrem            1            1K         6146
            vnodes            1            1K            4
              ktls            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
         sctp_athm           13            1K         2348
          sctp_map           12            1K          974
        loginclass            3            1K            6
            prison            6            1K            6
            soname            8            1K         8005
           pf_rule            1            1K          327
     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         8966
          freefile            1            1K         6143
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
          nexusdev            5            1K            5
          filecaps            5            1K          113
          sctp_vrf            1            1K            1
           entropy            2            1K           47
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          983
         sctp_iter            0            0K           14
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           14
         sctp_aadr            0            0K            0
         sctp_stri            0            0K           44
            mqdata            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         scsi_pass            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9728       2        9728       0     254   19927040        0
        RADIX NODE    144   18513     188      240698       0      62    2692944        0
              pbuf   2632       0     973           0       0       2    2560936        0
              mbuf    256     478    9347      937633       0     254    2515200        0
       mbuf_packet    256    8236    1364     1803430       0     254    2457600        0
          BUF TRIE    144     189   13279       25464       0      62    1939392        0
        malloc-384    384    4223      67       14242       0      30    1647360        0
       malloc-4096   4096     337       1         572       0       2    1384448        0
        malloc-128    128    9717      48       10012       0     126    1249920        0
       UMA Slabs 0    112    5871      30        5871       0     126     660912        0
         FFS inode   1128     520      26        6672       0       8     615888        0
        256 Bucket   2048     172      12        9315       0       8     376832        0
         VM OBJECT    264    1327      68       99861       0      30     368280        0
        sctp_chunk    152       6    2230        2303       0     254     339872        0
   mbuf_jumbo_page   4096       2      79         908       0     254     331776        0
       malloc-4096   4096      75       5        7246       0       2     327680        0
             VNODE    488     557      91        6711       0      30     316224        0
            THREAD   1792     151      20        8798       0       8     306432        0
      malloc-65536  65536       4       0           4       0       1     262144        0
            DEVCTL   1024       0     212         130       0       0     217088        0
      malloc-16384  16384       9       4        5744       0       1     212992        0
         malloc-16     16   12421     329       12730       0     254     204000        0
         malloc-64     64    3101      49        3128       0     254     201600        0
      malloc-65536  65536       1       2         218       0       1     196608        0
      malloc-65536  65536       2       1          10       0       1     196608        0
      malloc-32768  32768       0       6        4559       0       1     196608        0
         MAP ENTRY     96    1691     283      363040       0     126     189504        0
            socket    944      44     156        7533       0     254     188800        0
        malloc-256    256     245     475       43457       0      62     184320        0
         UMA Zones    768     230       4         230       0      16     179712        0
        malloc-128    128    1344      51       25994       0     126     178560        0
       FFS2 dinode    256     520     125        6672       0      62     165120        0
         malloc-32     32    4569      93        5352       0     254     149184        0
       tcp_bbr_map    128       0    1116        1110       0     126     142848        0
       S VFS Cache    104    1023     342        7783       0     126     141960        0
       malloc-1024   1024     121      15         777       0      16     139264        0
             tcpcb   1048      10     122        3292       0     254     138336        0
           VMSPACE   2544      40      11        6708       0       4     129744        0
        malloc-128    128     690     271        9498       0     126     123008        0
        malloc-128    128     684     277       19118       0     126     123008        0
       malloc-2048   2048       6      54       35284       0       8     122880        0
         vmem btag     56    2118      30        2118       0     254     120288        0
          ksiginfo    112      66     978        2611       0     126     116928        0
              PROC   1320      62      19        6723       0       8     106920        0
             g_bio    408       0     240      132728       0      30      97920        0
        128 Bucket   1024      58      37        1254       0      16      97280        0
       malloc-4096   4096      22       0          22       0       2      90112        0
         filedesc0   1072      63      21        6724       0       8      90048        0
          UMA Kegs    384     216       7         216       0      30      85632        0
            clpbuf   2632       0      32          24       0      16      84224        0
         malloc-64     64     750     510        7638       0     254      80640        0
       malloc-2048   2048      14      24        2041       0       8      77824        0
         64 Bucket    512      86      66        9329       0      30      77824        0
        malloc-256    256     213      57        3118       0      62      69120        0
      malloc-65536  65536       0       1         122       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-16384  16384       4       0           4       0       1      65536        0
       malloc-8192   8192       7       1         100       0       1      65536        0
        malloc-256    256      87     168       14515       0      62      65280        0
         tcp_inpcb    488      10     118        3292       0     254      62464        0
           sctp_ep   1280       7      38        1803       0     254      57600        0
        malloc-256    256      41     169         284       0      62      53760        0
        malloc-256    256      70     140       13645       0      62      53760        0
       malloc-4096   4096      12       1          23       0       2      53248        0
         malloc-64     64     280     539       89211       0     254      52416        0
         malloc-64     64     643     176        4715       0     254      52416        0
         32 Bucket    256      57     138        4876       0      62      49920        0
        sctp_raddr    736       6      60         661       0     254      48576        0
        malloc-256    256      36     144        9516       0      62      46080        0
         sctp_asoc   2288       6      14         486       0     254      45760        0
       malloc-2048   2048       2      18        1464       0       8      40960        0
            pcpu-8      8    4315     805       14096       0     254      40960        0
              pipe    744      23      32         602       0      16      40920        0
             Files     80     237     263       23122       0     126      40000        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       41680       0      16      36864        0
         malloc-64     64      78     489       23893       0     254      36288        0
        malloc-128    128       5     274        6711       0     126      35712        0
        malloc-384    384      83       7          83       0      30      34560        0
        malloc-256    256       2     133        6486       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       0       1         126       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       1       1         154       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048      10       6          24       0       8      32768        0
           pcpu-64     64     454      58         454       0     254      32768        0
       malloc-1024   1024      23       5          57       0      16      28672        0
       malloc-1024   1024      20       8        1581       0      16      28672        0
         malloc-32     32     303     579        6157       0     254      28224        0
             KNOTE    160      28     147      186208       0      62      28000        0
          8 Bucket     80      51     299        3366       0     126      28000        0
     udplite_inpcb    488       0      56         384       0     254      27328        0
        malloc-384    384      44      26         133       0      30      26880        0
        malloc-384    384      14      56        2636       0      30      26880        0
         TURNSTILE    136     172      17         172       0      62      25704        0
       malloc-8192   8192       0       3          28       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-4096   4096       3       3          43       0       2      24576        0
       malloc-2048   2048      10       2          10       0       8      24576        0
               PWD     32      22     734        5821       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
           ttyoutq    256      72      18         160       0      62      23040        0
       malloc-4096   4096       0       5        5948       0       2      20480        0
         16 Bucket    144      49      91         666       0      62      20160        0
          2 Bucket     32      58     572        2550       0     254      20160        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        SLEEPQUEUE     88     172      20         172       0     126      16896        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-1024   1024       3      13          47       0      16      16384        0
        malloc-512    512      10      22          98       0      30      16384        0
      vtnet_tx_hdr     24       0     668      901587       0     254      16032        0
             unpcb    256      20      40        1469       0     254      15360        0
       tcp_bbr_pcb    832       0      18          22       0      16      14976        0
       malloc-2048   2048       1       5          17       0       8      12288        0
         malloc-32     32     143     235        9849       0     254      12096        0
          4 Bucket     48       7     245         227       0     254      12096        0
         malloc-16     16     470     280        5022       0     254      12000        0
        malloc-128    128      75      18         519       0     126      11904        0
        malloc-128    128      50      43          69       0     126      11904        0
             ripcb    488       5      19         244       0     254      11712        0
         udp_inpcb    488       2      22         278       0     254      11712        0
     routing nhops    256      27      18          39       0      62      11520        0
       malloc-2048   2048       0       4          12       0       8       8192        0
       malloc-1024   1024       0       8           6       0      16       8192        0
       malloc-1024   1024       2       6          20       0      16       8192        0
       malloc-1024   1024       3       5           3       0      16       8192        0
        malloc-512    512       0      16         118       0      30       8192        0
        malloc-512    512       4      12          79       0      30       8192        0
        malloc-512    512       0      16           6       0      30       8192        0
        malloc-512    512       3      13         512       0      30       8192        0
        malloc-512    512      11       5          11       0      30       8192        0
           rtentry    176      31      15          39       0      62       8096        0
          rl_entry     40      78     124          78       0     254       8080        0
sctp_stream_msg_out    112       2      70          34       0     254       8064        0
        sctp_laddr     48       0     168          48       0     254       8064        0
             udpcb     32       2     250         662       0     254       8064        0
         malloc-64     64      30      96          63       0     254       8064        0
         malloc-64     64      24     102         377       0     254       8064        0
         malloc-32     32      45     207          80       0     254       8064        0
         malloc-32     32      95     157        2322       0     254       8064        0
         malloc-32     32      33     219         206       0     254       8064        0
         malloc-32     32       4     248        1044       0     254       8064        0
         malloc-16     16      23     477        2142       0     254       8000        0
         malloc-16     16       8     492          10       0     254       8000        0
         malloc-16     16      42     458         928       0     254       8000        0
         malloc-16     16      68     432       27183       0     254       8000        0
         malloc-16     16       0     500           6       0     254       8000        0
        malloc-128    128      54       8         255       0     126       7936        0
      tcp_log_node    120       0      66           4       0     126       7920        0
              kenv    258       3      27        1021       0      30       7740        0
        malloc-384    384       0      20           8       0      30       7680        0
        malloc-256    256       8      22          20       0      62       7680        0
           tcp_log    416       0      18           4       0     254       7488        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           2       0       2       4096        0
       malloc-4096   4096       1       0           1       0       2       4096        0
        malloc-512    512       1       7           1       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
         malloc-32     32       9     117         240       0     254       4032        0
         malloc-16     16       1     249           1       0     254       4000        0
        sctp_readq    152       0      26          14       0     254       3952        0
            itimer    352       0      11           5       0      30       3872        0
       UMA Slabs 1    176       9      13           9       0      62       3872        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          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        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 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
             tcptw     88       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    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
        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
       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
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      64          0        0
            mdpbuf   2632       0       0           0       0       3          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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
         malloc-64     64       0       0           0       0     254          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/12/22 03:38 freebsd 9e4440ca5ba7 04201c06 console log report ci-freebsd-i386
2020/12/03 22:04 freebsd c2fd06243ecd 643fdf46 console log report ci-freebsd-i386
2020/11/03 21:05 freebsd 3289b997594a cba33199 console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.