syzbot


Fatal trap 12: page fault in __mtx_assert (3)

Status: auto-closed as invalid on 2021/01/28 09:02
Reported-by: syzbot+b01d8e44a8412924b6ea@syzkaller.appspotmail.com
First crash: 1250d, last: 1215d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap 12: page fault in __mtx_assert (4) 2 1106d 1121d 0/2 auto-closed as invalid on 2021/05/17 14:41
freebsd Fatal trap 12: page fault in __mtx_assert (5) 7 975d 1008d 0/2 auto-closed as invalid on 2021/09/26 00:34
freebsd Fatal trap 12: page fault in __mtx_assert syz 4 1801d 1802d 1/2 fixed on 2019/03/26 17:44
freebsd Fatal trap 12: page fault in __mtx_assert (2) 1 1749d 1749d 0/2 auto-closed as invalid on 2019/10/25 08:47

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x170
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81027b32
stack pointer	        = 0x0:0xfffffe000364c080
frame pointer	        = 0x0:0xfffffe000364c0b0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor efl
ags	= interrupt enabled, resume, IOPL = 0
current process		= 12 (swi1: netisr 0)
trap number		= 12
panic: page fault
cpuid = 0
time = 1601080463
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe000364bce0
vpanic() at vpanic+0x1c7/frame 0xfffffe000364bd40
panic() at panic+0x43/frame 0xfffffe000364bda0
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe000364be20
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe000364be90
trap() at trap+0x41d/frame 0xfffffe000364bfb0
calltrap() at calltrap+0x8/frame 0xfffffe000364bfb0
--- trap 0xc, rip = 0xffffffff81027b32, rsp = 0xfffffe000364c080, rbp = 0xfffffe000364c0b0 ---
__mtx_assert() at __mtx_assert+0xc2/frame 0xfffffe000364c0b0
sctp_add_to_readq() at sctp_add_to_readq+0x4dc/frame 0xfffffe000364c110
sctp_ulp_notify() at sctp_ulp_notify+0xe6d/frame 0xfffffe000364c180
sctp_report_all_outbound() at sctp_report_all_outbound+0xd51/frame 0xfffffe000364c200
sctp_abort_notification() at sctp_abort_notification+0x11f/frame 0xfffffe000364c250
sctp_process_control() at sctp_process_control+0x8983/frame 0xfffffe000364c6d0
sctp_common_input_processing() at sctp_common_input_processing+0x7db/frame 0xfffffe000364c860
sctp6_input_with_port() at sctp6_input_with_port+0x300/frame 0xfffffe000364c960
sctp6_input() at sctp6_input+0x1f/frame 0xfffffe000364c980
ip6_input() at ip6_input+0x1821/frame 0xfffffe000364ca90
swi_net() at swi_net+0x20d/frame 0xfffffe000364cb10
ithread_loop() at ithread_loop+0x33f/frame 0xfffffe000364cbb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe000364cbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe000364cbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100020 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1486366(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b  ll+0x1a
es                        0x3b  ll+0x1a
fs                        0x13
gs                        0x1b
ss                           0
rax                       0x12
rcx         0xffffffff810dc0e0  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xfffffe000364bcc0
rbp         0xfffffe000364bce0
rsi                          0
rdi         0xffffffff810dc116  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11                       0xbf  ll+0x9e
r12         0xffffffff82068ef0  ddb_dbbe
r13                          0
r14         0xffffffff819366e8
r15         0xffffffff819366e8
rip         0xffffffff810d0d17  kdb_enter+0x67
rflags                    0x82  ll+0x61
kdb_enter+0x67: movq    $0,0x1486366(%rip)
db> show proc
Process 12 (intr) at 0xfffff80004311520:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff82509d10
 ABI: null
 reaper: 0xffffffff82509d10 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff8250a960
   (map 0xffffffff8250a960)
   (map.pmap 0xffffffff8250aa20)
   (pmap 0xffffffff8250aa80)
 threads: 23
100011                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 0                       [swi1: netisr 0]
100021                   I                                   [swi3: vm]
100022                   L      *sctp-in 0xfffff800040c8000  [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
  811   768   768     0  S       sbwait  0xfffff80004e71d14  arp
  810   765   765     0  S       sbwait  0xfffff80004e701d4  arp
  809   799   809     0  Ss      select  0xfffff8001b607ac0  dhclient
  808   767   767     0  T       (threaded)                  syz-executor.3
100124                   s                                   syz-executor.3
100125                   L      *sctp-tc 0xfffff8000483db40  syz-executor.3
  804     1   804     0  Ss      select  0xfffff80004a9c840  dhclient
  799   785   424    65  S       select  0xfffff8001b748540  dhclient
  795   764   764     0  S       sbwait  0xfffff80004e70594  ndp
  785   424   424     0  S       wait    0xfffff80004d04000  sh
  768   762   768     0  Ss      wait    0xfffff8001b2e2000  syz-executor.2
  767   762   767     0  Ss      nanslp  0xffffffff8252a801  syz-executor.3
  765   762   765     0  Ss      wait    0xfffff80004d04520  syz-executor.1
  764   762   764     0  Ss      wait    0xfffff80004d05a40  syz-executor.0
  762   760   760     0  S       (threaded)                  syz-fuzzer
100096                   S       uwait   0xfffff8000453b880  syz-fuzzer
100106                   S       uwait   0xfffff80004a9be00  syz-fuzzer
100107                   S       uwait   0xfffff80004a9bf00  syz-fuzzer
100108                   S       kqread  0xfffff80004c61100  syz-fuzzer
100109                   S       uwait   0xfffff80004a9e180  syz-fuzzer
100110                   S       uwait   0xfffff80004a9b500  syz-fuzzer
100111                   S       uwait   0xfffff8000447a480  syz-fuzzer
100112                   S       uwait   0xfffff8001b748600  syz-fuzzer
100113                   S       uwait   0xfffff8000453b280  syz-fuzzer
  760   758   760     0  Ss      pause   0xfffff8001b4af5c8  csh
  758   682   758     0  Ss      select  0xfffff8001b7486c0  sshd
  742     1   742     0  Ss+     ttyin   0xfffff80004416cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffff80004b5f8b0  getty
  740     1   740     0  Ss+     ttyin   0xfffff80004b5fcb0  getty
  739     1   739     0  Ss+     ttyin   0xfffff80004b620b0  getty
  738     1   738     0  Ss+     ttyin   0xfffff80004b624b0  getty
  737     1   737     0  Ss+     ttyin   0xfffff80004b628b0  getty
  736     1   736     0  Ss+     ttyin   0xfffff80004b62cb0  getty
  735     1   735     0  Ss+     ttyin   0xfffff80004b610b0  getty
  734     1   734     0  Ss+     ttyin   0xfffff80004b614b0  getty
  732     1    24     0  S+      piperd  0xfffff80004d1d2f8  logger
  731   730    24     0  S+      nanslp  0xffffffff8252a800  sleep
  730     1    24     0  S+      wait    0xfffff80004d02520  sh
  686     1   686     0  Ss      nanslp  0xffffffff8252a800  cron
  682     1   682     0  Ss      select  0xfffff8000447af40  sshd
  495     1   495     0  Ds      bo_wwai 0xfffff8001b46ff00  syslogd
  424     1   424     0  Ss      wait    0xfffff8001b2e1520  devd
  423     1   423    65  Ss      select  0xfffff80004a9cd40  dhclient
  338     1   338     0  Ss      select  0xfffff8000453b040  dhclient
  335     1   335     0  Ss      select  0xfffff80004a9d4c0  dhclient
   23     0     0     0  DL      syncer  0xffffffff826178e8  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff800043dca40  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff82616c50  [bufdaemon]
100077                   D       -       0xffffffff8200ae00  [bufspacedaemon-0]
100088                   D       sdflush 0xfffff80004d88ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff8263dec8  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff826322f8  [dom0]
100075                   D       launds  0xffffffff82632304  [laundry: dom0]
100076                   D       umarcl  0xffffffff814d52f0  [uma]
   18     0     0     0  DL      -       0xffffffff8235e388  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82c512f8  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82e41390  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261622c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261622c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261622c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261622c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff822360c0  [doneq0]
100067                   D       -       0xffffffff82235f90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff8000420ad90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000420ad30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff8262f7e0  [crypto]
   14     0     0     0  DL      seqstat 0xfffff8000435b888  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff82509770  [g_event]
100026                   D       -       0xffffffff82509778  [g_up]
100027                   D       -       0xffffffff82509780  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004219000  [thr_0]
100019                   D       -       0xfffff80004219080  [thr_1]
   12     0     0     0  RL      (threaded)                  [intr]
100011                   I                                   [swi5: fast taskq]
100015                   I                                   [swi6: task queue]
100016                   I                                   [swi6: Giant taskq]
100020                   Run     CPU 0                       [swi1: netisr 0]
100021                   I                                   [swi3: vm]
100022                   L      *sctp-in 0xfffff800040c8000  [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                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004314000  [init]
   10     0     0     0  DL      audit_w 0xffffffff8262fd00  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff82509d10  [swapper]
100005                   D       -       0xfffff8000433c100  [if_io_tqg_0]
100006                   D       -       0xfffff8000433c000  [if_io_tqg_1]
100007                   D       -       0xfffff80004339e00  [if_config_tqg_0]
100008                   D       -       0xfffff80004339d00  [softirq_0]
100009                   D       -       0xfffff80004339c00  [softirq_1]
100010                   D       -       0xfffff800040ed600  [thread taskq]
100012                   D       -       0xfffff800040ed300  [inm_free taskq]
100013                   D       -       0xfffff800040ed200  [kqueue_ctx taskq]
100014                   D       -       0xfffff800040ed100  [aiod_kick taskq]
100017                   D       -       0xfffff800040ecb00  [in6m_free taskq]
100024                   D       -       0xfffff800040ec500  [firmware taskq]
100029                   D       -       0xfffff800040ec400  [crypto_0]
100030                   D       -       0xfffff800040ec400  [crypto_1]
100044                   D       -       0xfffff800040ebc00  [vtnet0 rxq 0]
100045                   D       -       0xfffff800040ebb00  [vtnet0 txq 0]
100046                   D       -       0xfffff800040eba00  [vtnet0 rxq 1]
100047                   D       -       0xfffff800040eb900  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff800045ca800  [virtio_balloon]
100053                   D       -       0xfffff800040eb200  [mca taskq]
100056                   D       -       0xffffffff81cdc281  [deadlkres]
100062                   D       -       0xfffff80004b9e200  [acpi_task_0]
100063                   D       -       0xfffff80004b9e200  [acpi_task_1]
100064                   D       -       0xfffff80004b9e200  [acpi_task_2]
100066                   D       -       0xfffff800040ec300  [CAM taskq]
db> show all locks
Process 811 (arp) thread 0xfffffe0026495800 (100119)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80004e71cb8) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:467
Process 810 (arp) thread 0xfffffe002649c700 (100117)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80004e70178) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:467
Process 808 (syz-executor.3) thread 0xfffffe00263d6c00 (100125)
exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffff8001be77968) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3333
exclusive rw sctp-info (sctp-info) r = 0 (0xfffffe000493ded8) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3331
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8001be77988) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3330
Process 795 (ndp) thread 0xfffffe001dfb5a00 (100114)
exclusive sx so_rcv_sx (so_rcv_sx) r = 0 (0xfffff80004e70538) locked @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:467
Process 495 (syslogd) thread 0xfffffe002475f800 (100098)
exclusive lockmgr ufs (ufs) r = 0 (0xfffff8001b46fe00) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3491
Process 12 (intr) thread 0xfffffe00049cee00 (100020)
exclusive sleep mutex so_rcv (so_rcv) r = 0 (0xfffff80004e73518) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:4817
exclusive sleep mutex sctp-send-tcb (tcbs) r = 0 (0xfffffe002653d1c0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:4343
exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe002653d1a0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2143
Process 12 (intr) thread 0xfffffe00049ce000 (100022)
exclusive sleep mutex sctp-create (inp_create) r = 0 (0xfffff8001be76488) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:3330
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4214         4854K         4239
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        28170         1644K        28234
              kobj          335         1340K          494
            newblk          550         1162K          610
          vfscache            4         1025K            4
               pcb           34          546K           86
          inodedep           34          529K           92
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          125          266K          879
            acpica         1674          185K        52414
         vnet_data            1          168K            1
          filedesc           21          149K           57
           pagedep           13          131K           30
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          254           99K          294
               bus          975           79K         3020
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          505           64K          505
               BPF           22           36K           22
           kdtrace          180           35K         1689
              umtx          270           34K          270
              temp           35           33K         1745
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
              vmem            3           26K            4
        gtaskqueue           18           26K           18
            ifaddr           71           24K           71
            kbdmux            6           22K            6
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           99           16K           99
           lltable           40           14K           40
            bus-sc           30           14K         1405
       ether_multi          162           13K          167
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          132           12K          132
         pfs_nodes           20           10K           20
              GEOM           60           10K          489
              rman           82           10K          423
         in6_multi           77           10K           77
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
         bmsafemap            1            8K           60
             shmfd            1            8K            3
       pfs_vncache            1            8K            1
     audit_evclass          233            8K          291
           CAM DEV            3            6K          510
            kqueue           60            6K          816
                vt           11            6K           11
            plimit           22            6K          348
              cred           22            6K          200
            sglist            5            6K            5
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
       ufs_dirhash           24            5K           24
            DEVFSP           72            5K           76
          pf_ifnet           10            5K           19
               UMA          251            5K          251
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
          routetbl           24            4K           24
            diradd           28            4K           59
            ip6ndp           18            4K           19
           session           26            4K           35
              pgrp           26            4K           35
             hhook           13            4K           13
         sctp_atcl            6            3K            8
           acpisem           22            3K           22
          terminal           11            3K           11
         proc-args           50            3K          526
          indirdep           10            3K           10
            select           20            3K           20
           uidinfo            3            3K            7
         sctp_stro            2            2K            4
        local_apic            1            2K            1
           io_apic            1            2K            1
           CAM CCB            1            2K         1887
          freefile           16            2K           27
         ipsec-saq            2            2K            2
             lockf           19            2K           29
          sctp_ifa           15            2K           17
            Unitno           29            2K           46
             mkdir           13            2K           36
           CAM XPT           22            2K          543
          in_multi            6            2K            7
            dirrem            5            2K           29
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
         newdirblk            9            2K           18
             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           12
      NFSD session            1            1K            1
        CAM periph            4            1K          271
          mbuf_tag           27            1K           93
          sctp_ifn            6            1K           17
             ipsec            3            1K            3
               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
 encap_export_host           12            1K           12
            crypto            3            1K            3
         sctp_timw            2            1K            2
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
              cdev            2            1K            2
       inpcbpolicy           13            1K          158
         sctp_atky            8            1K           12
               osd            3            1K            9
            vnodes            1            1K            1
              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           27
          freefrag            1            1K            6
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
          filecaps            5            1K           69
            soname            4            1K         3047
         sctp_athm            6            1K            8
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
          sctp_map            4            1K            8
           entropy            2            1K           38
              vnet            1            1K            1
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            2
         sctp_iter            0            0K            7
         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            7
         sctp_aadr            0            0K            0
         sctp_stri            0            0K            0
            vtfont            0            0K            0
        madt_table            0            0K            2
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            pvscsi            0            0K            0
          smartpqi            0            0K            0
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
            twsbuf            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
       fpukern_ctx            0            0K            0
       tcp_log_dev            0            0K            0
          xen_intr            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
         acpi_perf            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
     vm_fictitious            0            0K            0
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
          tempbuff            0            0K            0
           UMAHash            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           13
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freeblks            0            0K           26
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
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        audit_data            0            0K            0
        audit_cred            0            0K            0
             xform            0            0K            0
lDevFlags * malloc            0            0K            0
               NLM            0            0K            0
    ipsec-spdcache            0            0K            0
         ipsec-reg            0            0K            0
        ipsec-misc            0            0K            0
      ipsecrequest            0            0K            0
            ip6opt            0            0K            3
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
               LRO            0            0K            0
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
ag_portal_data_t malloc            0            0K            0
            statfs            0            0K          190
       export_host            0            0K            0
        cl_savebuf            0            0K            2
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               nvd            0            0K            0
            netmap            0            0K            0
            mwldev            0            0K            0
        MVS driver            0            0K            0
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
          mps_user            0            0K            0
            biobuf            0            0K            0
              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
            MPSSAS            0            0K            0
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        13583
          ioctlops            0            0K           92
           Witness            0            0K            0
             stack            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
            MPRSAS            0            0K            0
               mpr            0            0K            0
            mfibuf            0            0K            0
        md_sectors            0            0K            0
              sbuf            0            0K          288
           md_disk            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
           malodev            0            0K            0
              SWAP            0            0K            0
               LED            0            0K            0
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            sysctl            0            0K            1
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              rctl            0            0K            0
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                ix            0            0K            0
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             cache            0            0K            0
       aacraid_buf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
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              zstd            0            0K            0
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           SCSI sa            0            0K            0
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       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
        tmpfs name            0            0K            0
       tmpfs mount            0            0K            0
           NFS FHA            0            0K            0
         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
NFSCL diroffdiroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9780     126        9780       0     254   20287488        0
             65536  65536       4     107         175       0       1    7274496        0
             32768  32768       0     112         112       0       1    3670016        0
       mbuf_packet    256    8196    1456      904392       0     254    2470912        0
             16384  16384      13     125         170       0       1    2260992        0
               512    512    4174     130        4614       0      30    2203648        0
          BUF TRIE    144     181   13287         604       0      62    1939392        0
        RADIX NODE    144   12286     115       53484       0      62    1785744        0
              4096   4096     335       1         494       0       2    1376256        0
               128    128    9332     123        9364       0     126    1210240        0
   mbuf_jumbo_page   4096       0     254          13       0     254    1040384        0
              pbuf    832       0     969           0       0       2     806208        0
       UMA Slabs 0    112    7184      10        7184       0     126     805728        0
              8192   8192      11      77         120       0       1     720896        0
         sctp_asoc   2288       2     253           4       0     254     583440        0
             tcpcb   1040       4     513          10       0     254     537680        0
            socket    960      27     481        1241       0     254     487680        0
           sctp_ep   1280       4     251           4       0     254     326400        0
        256 Bucket   2048     139      13        1471       0       8     311296        0
         VM OBJECT    264    1136      34       13227       0      30     308880        0
             VNODE    496     536      40         566       0      30     285696        0
              4096   4096       9      58         464       0       2     274432        0
              mbuf    256     457     571      448540       0     254     263168        0
              4096   4096      59       3         813       0       2     253952        0
             ripcb    488       2     510           5       0     254     249856        0
         tcp_inpcb    488       4     508          10       0     254     249856        0
         udp_inpcb    488       7     505         143       0     254     249856        0
            THREAD   1792     124      11         125       0       8     241920        0
               256    256     793      47        1136       0      62     215040        0
            DEVCTL   1024      12     196         125       0       0     212992        0
              1024   1024     116      84        1285       0      16     204800        0
                64     64    2712     375        2718       0     254     197568        0
                16     16   11833     417       11883       0     254     196000        0
        sctp_raddr    736       3     261           4       0     254     194304        0
               128    128    1217     178       24706       0     126     178560        0
         UMA Zones    768     226       1         226       0      16     174336        0
                32     32    4472     442        4551       0     254     157248        0
         MAP ENTRY     96    1336     302       39820       0     126     157248        0
       FFS2 dinode    256     501      69         528       0      62     145920        0
         vmem btag     56    2263     101        2263       0     254     132384        0
             65536  65536       2       0           2       0       1     131072        0
             65536  65536       0       2           8       0       1     131072        0
             65536  65536       2       0           2       0       1     131072        0
             unpcb    256      11     499        1055       0     254     130560        0
          ksiginfo    112      45     999        1116       0     126     116928        0
              2048   2048      11      45        2851       0       8     114688        0
               128    128     676     161        1747       0     126     107136        0
           VMSPACE   2536      35       7         790       0       4     106512        0
               128    128     617     158        3531       0     126      99200        0
       S VFS Cache    104     612     285        1154       0     126      93288        0
         FFS inode    160     501      74         529       0      62      92000        0
              PROC   1312      57       9         811       0       8      86592        0
        128 Bucket   1024      45      38         218       0      16      84992        0
          UMA Kegs    384     212       4         212       0      30      82944        0
              2048   2048       5      35          50       0       8      81920        0
         filedesc0   1080      58      12         812       0       8      75600        0
             g_bio    408       4     176        5199       0      30      73440        0
                64     64     605     466        1124       0     254      68544        0
                64     64     581     490        2447       0     254      68544        0
             65536  65536       1       0           1       0       1      65536        0
              4096   4096      12       4          26       0       2      65536        0
               512    512      61      59         119       0      30      61440        0
         64 Bucket    512      60      44         990       0      30      53248        0
                64     64     269     550        1057       0     254      52416        0
               256    256     137      58         928       0      62      49920        0
               256    256      80     115         374       0      62      49920        0
         32 Bucket    256      42     153         405       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       12328       0      16      49152        0
               512    512      69      27          70       0      30      49152        0
          syncache    168       0     264           4       0     254      44352        0
              4096   4096      10       0          10       0       2      40960        0
          4 Bucket     48      11     829        6226       0     254      40320        0
            clpbuf    832       0      48         139       0      16      39936        0
        sctp_readq    152       2     258           2       0     254      39520        0
              pipe    760      21      29         298       0      16      38000        0
           64 pcpu      8    4139     469        4141       0     254      36864        0
             selfd     64      37     530        4920       0     254      36288        0
                64     64      61     506       13251       0     254      36288        0
                64     64     190     377         194       0     254      36288        0
                64     64       1     566          20       0     254      36288        0
                64     64      14     553          14       0     254      36288        0
               128    128      66     213          66       0     126      35712        0
               128    128       1     278         146       0     126      35712        0
               128    128     141     138         211       0     126      35712        0
               128    128       9     270           9       0     126      35712        0
     routing nhops    256      27     108          37       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256      17     118         512       0      62      34560        0
               256    256      35     100         103       0      62      34560        0
               256    256      65      70         991       0      62      34560        0
               256    256      24     111         204       0      62      34560        0
               256    256      29     106          47       0      62      34560        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
              8192   8192       4       0           4       0       1      32768        0
              4096   4096       7       1           7       0       2      32768        0
              2048   2048       8       8           8       0       8      32768        0
              2048   2048       6      10           7       0       8      32768        0
              2048   2048       3      13           3       0       8      32768        0
              1024   1024       3      29          10       0      16      32768        0
              1024   1024       2      30           2       0      16      32768        0
              1024   1024      22      10          36       0      16      32768        0
              1024   1024       9      23           9       0      16      32768        0
              1024   1024      14      18          14       0      16      32768        0
               512    512       6      58          33       0      30      32768        0
               512    512      44      20          44       0      30      32768        0
               512    512      22      42         531       0      30      32768        0
               512    512       5      59           5       0      30      32768        0
     mt_stats_zone     64     445      67         445       0     254      32768        0
sctp_stream_msg_out    112       1     287           2       0     254      32256        0
             KNOTE    160      34     166       36278       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       4     584          14       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
                32     32     299     583        2195       0     254      28224        0
         TURNSTILE    136     136      53         136       0      62      25704        0
              8192   8192       2       1           4       0       1      24576        0
              4096   4096       2       4         192       0       2      24576        0
           rtentry    176      33     105          37       0      62      24288        0
          rl_entry     40      38     568          38       0     254      24240        0
      vtnet_tx_hdr     24       0    1002      443424       0     254      24048        0
             Files     80     196     104        6771       0     126      24000        0
          8 Bucket     80      40     260       12771       0     126      24000        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     136     120         136       0     126      22528        0
             udpcb     32       2     628         143       0     254      20160        0
               PWD     32      16     614         105       0     254      20160        0
                32     32      43     587          71       0     254      20160        0
                32     32      12     618          29       0     254      20160        0
                32     32     229     401        1050       0     254      20160        0
                32     32      42     588        2706       0     254      20160        0
                32     32       6     624          19       0     254      20160        0
                32     32      18     612         166       0     254      20160        0
         16 Bucket    144      42      98         147       0      62      20160        0
          2 Bucket     32     282     348        7946       0     254      20160        0
          procdesc    136       2     143           8       0      62      19720        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
             16384  16384       1       0           1       0       1      16384        0
             16384  16384       1       0           1       0       1      16384        0
             16384  16384       1       0           1       0       1      16384        0
              8192   8192       2       0           2       0       1      16384        0
              2048   2048       2       6           2       0       8      16384        0
              2048   2048       2       6           2       0       8      16384        0
              1024   1024       1      15           1       0      16      16384        0
              1024   1024       1      15           1       0      16      16384        0
               512    512       2      30           2       0      30      16384        0
           mt_zone     24     445     223         445       0     254      16032        0
                16     16     497     503        1671       0     254      16000        0
        KMAP ENTRY     96      12     153          12       0     126      15840        0
              kenv    258       3      57         999       0      30      15480        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
                16     16      13     737         209       0     254      12000        0
                16     16      14     736          15       0     254      12000        0
                16     16      18     732       23670       0     254      12000        0
                16     16       1     749         114       0     254      12000        0
                16     16      44     706         329       0     254      12000        0
                16     16       3     747           3       0     254      12000        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
              4096   4096       1       1           1       0       2       8192        0
           SMR CPU     32       2     253           2       0     254       8160        0
        SMR SHARED     24       2     253           2       0     254       6120        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
          int pcpu      4      34     478          34       0     254       2048        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
        sctp_chunk    152       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
       tcp_bbr_pcb    832       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
     udplite_inpcb    488       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       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
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    280       0       0           0       0      30          0        0
             AIOCB    752       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    232       0       0           0       0      62          0        0
      TMPFS dirent     64       0       0           0       0     254          0        0
           NCLNODE    592       0       0           0       0      16          0        0
             rentr     24       0       0           0       0     254          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
         VNODEPOLL    120       0       0           0       0     126          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          0        0
      nvme_request    128       0       0           0       0     126          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    832       0       0           0       0      62          0        0
            mdpbuf    832       0       0           0       0       4          0        0
           nfspbuf    832       0       0           0       0      16          0        0
            swwbuf    832       0       0           0       0       8          0        0
            swrbuf    832       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
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             65536  65536       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             32768  32768       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
             16384  16384       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              8192   8192       0       0           0       0       1          0        0
              2048   2048       0       0           0       0       8          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
2020/09/26 00:34 freebsd 15ceb7403da7 4a006f63 console log report ci-freebsd-main
2020/10/30 09:01 freebsd c15425126b23 a0c7169a console log report ci-freebsd-i386
2020/09/26 17:21 freebsd c643799f58f4 2d5ea0cb console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.