syzbot


Fatal trap 12: page fault in tdq_notify

Status: auto-closed as invalid on 2020/09/22 00:12
Reported-by: syzbot+cf5c3f4ccf016e372833@syzkaller.appspotmail.com
First crash: 1350d, last: 1350d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0xfffffe0025c5dab6
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff8108d525
stack pointer	        = 0x0:0xffffffff82b8b610
frame pointer	        = 0x0:0xffffffff82b8b650
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= resume, IOPL = 0
current process		= 11 (idle: cpu0)
trap number		= 12
panic: page fault
cpuid = 0
time = 1592957509
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82b8b260
vpanic() at vpanic+0x1c7/frame 0xffffffff82b8b2c0
panic() at panic+0x43/frame 0xffffffff82b8b320
trap_fatal() at trap_fatal+0x4ca/frame 0xffffffff82b8b3a0
trap_pfault() at trap_pfault+0xdc/frame 0xffffffff82b8b420
trap() at trap+0x3f8/frame 0xffffffff82b8b540
calltrap() at calltrap+0x8/frame 0xffffffff82b8b540
--- trap 0xc, rip = 0xffffffff8108d525, rsp = 0xffffffff82b8b610, rbp = 0xffffffff82b8b650 ---
tdq_notify() at tdq_notify+0x55/frame 0xffffffff82b8b650
sched_add() at sched_add+0x20f/frame 0xffffffff82b8b690
setrunnable() at setrunnable+0x11d/frame 0xffffffff82b8b6d0
sleepq_timeout() at sleepq_timeout+0x151/frame 0xffffffff82b8b720
softclock_call_cc() at softclock_call_cc+0x1fb/frame 0xffffffff82b8b800
callout_process() at callout_process+0x2c5/frame 0xffffffff82b8b880
handleevents() at handleevents+0x2e9/frame 0xffffffff82b8b8d0
timercb() at timercb+0x285/frame 0xffffffff82b8b920
lapic_handle_timer() at lapic_handle_timer+0xcc/frame 0xffffffff82b8b950
Xtimerint() at Xtimerint+0xb1/frame 0xffffffff82b8b950
--- interrupt, rip = 0xffffffff8171ce9b, rsp = 0xffffffff82b8ba20, rbp = 0xffffffff82b8ba20 ---
acpi_cpu_c1() at acpi_cpu_c1+0xb/frame 0xffffffff82b8ba20
acpi_cpu_idle() at acpi_cpu_idle+0x3dc/frame 0xffffffff82b8ba70
cpu_idle_acpi() at cpu_idle_acpi+0x5c/frame 0xffffffff82b8baa0
cpu_idle() at cpu_idle+0x12e/frame 0xffffffff82b8bad0
sched_idletd() at sched_idletd+0x5d4/frame 0xffffffff82b8bbb0
fork_exit() at fork_exit+0xb3/frame 0xffffffff82b8bbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xffffffff82b8bbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 11 tid 100003 ]
Stopped at      kdb_enter+0x67: movq    $0,0x14a5086(%rip)
db> 
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         0xffffffff810bf860  vprintf+0x140
rdx                        0x1
rbx                          0
rsp         0xffffffff82b8b240
rbp         0xffffffff82b8b260
rsi                          0
rdi         0xffffffff810bf896  vprintf+0x176
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe001cfd4510
r12         0xffffffff82068f70  ddb_dbbe
r13                          0
r14         0xffffffff819aa1bf
r15         0xffffffff819aa1bf
rip         0xffffffff810b4ba7  kdb_enter+0x67
rflags                    0x86  ll+0x65
kdb_enter+0x67: movq    $0,0x14a5086(%rip)
db> show proc
Process 11 (idle) at 0xfffff8000331ca40:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff8250e750
 ABI: null
 reaper: 0xffffffff8250e750 reapsubtree: 11
 sigparent: 20
 vmspace: 0xffffffff8250f3a0
   (map 0xffffffff8250f3a0)
   (map.pmap 0xffffffff8250f460)
   (pmap 0xffffffff8250f4c0)
 threads: 2
100003                   Run     CPU 0                       [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 2940   770   770     0KDB: reentering
KDB: stack backtrace:
 db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82b8ab60
kdb_reenter() at kdb_reenter+0x4d/frame 0xffffffff82b8ab80
trap() at trap+0xb3/frame 0xffffffff82b8aca0
calltrap() at calltrap+0x8/frame 0xffffffff82b8aca0
--- trap 0xc, rip = 0xffffffff805527e0, rsp = 0xffffffff82b8ad70, rbp = 0xffffffff82b8add0 ---
db_ps_proc() at db_ps_proc+0x520/frame 0xffffffff82b8add0
db_ps() at db_ps+0x7e/frame 0xffffffff82b8ae10
db_command() at db_command+0x48d/frame 0xffffffff82b8af10
db_command_loop() at db_command_loop+0x82/frame 0xffffffff82b8af30
db_trap() at db_trap+0x15a/frame 0xffffffff82b8afd0
kdb_trap() at kdb_trap+0x19e/frame 0xffffffff82b8b050
trap() at trap+0x2e6/frame 0xffffffff82b8b170
calltrap() at calltrap+0x8/frame 0xffffffff82b8b170
--- trap 0x3, rip = 0xffffffff810b4ba7, rsp = 0xffffffff82b8b240, rbp = 0xffffffff82b8b260 ---
kdb_enter() at kdb_enter+0x67/frame 0xffffffff82b8b260
vpanic() at vpanic+0x200/frame 0xffffffff82b8b2c0
panic() at panic+0x43/frame 0xffffffff82b8b320
trap_fatal() at trap_fatal+0x4ca/frame 0xffffffff82b8b3a0
trap_pfault() at trap_pfault+0xdc/frame 0xffffffff82b8b420
trap() at trap+0x3f8/frame 0xffffffff82b8b540
calltrap() at calltrap+0x8/frame 0xffffffff82b8b540
--- trap 0xc, rip = 0xffffffff8108d525, rsp = 0xffffffff82b8b610, rbp = 0xffffffff82b8b650 ---
tdq_notify() at tdq_notify+0x55/frame 0xffffffff82b8b650
sched_add() at sched_add+0x20f/frame 0xffffffff82b8b690
setrunnable() at setrunnable+0x11d/frame 0xffffffff82b8b6d0
sleepq_timeout() at sleepq_timeout+0x151/frame 0xffffffff82b8b720
softclock_call_cc() at softclock_call_cc+0x1fb/frame 0xffffffff82b8b800
callout_process() at callout_process+0x2c5/frame 0xffffffff82b8b880
handleevents() at handleevents+0x2e9/frame 0xffffffff82b8b8d0
timercb() at timercb+0x285/frame 0xffffffff82b8b920
lapic_handle_timer() at lapic_handle_timer+0xcc/frame 0xffffffff82b8b950
Xtimerint() at Xtimerint+0xb1/frame 0xffffffff82b8b950
--- interrupt, rip = 0xffffffff8171ce9b, rsp = 0xffffffff82b8ba20, rbp = 0xffffffff82b8ba20 ---
acpi_cpu_c1() at acpi_cpu_c1+0xb/frame 0xffffffff82b8ba20
acpi_cpu_idle() at acpi_cpu_idle+0x3dc/frame 0xffffffff82b8ba70
cpu_idle_acpi() at cpu_idle_acpi+0x5c/frame 0xffffffff82b8baa0
cpu_idle() at cpu_idle+0x12e/frame 0xffffffff82b8bad0
sched_idletd() at sched_idletd+0x5d4/frame 0xffffffff82b8bbb0
fork_exit() at fork_exit+0xb3/frame 0xffffffff82b8bbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xffffffff82b8bbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
db> show all locks
KDB: reentering
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xffffffff82b8abe0
kdb_reenter() at kdb_reenter+0x4d/frame 0xffffffff82b8ac00
trap() at trap+0xb3/frame 0xffffffff82b8ad20
calltrap() at calltrap+0x8/frame 0xffffffff82b8ad20
--- trap 0xc, rip = 0xffffffff810ed900, rsp = 0xffffffff82b8adf0, rbp = 0xffffffff82b8ae10 ---
db_witness_list_all() at db_witness_list_all+0x30/frame 0xffffffff82b8ae10
db_command() at db_command+0x48d/frame 0xffffffff82b8af10
db_command_loop() at db_command_loop+0x82/frame 0xffffffff82b8af30
db_trap() at db_trap+0x15a/frame 0xffffffff82b8afd0
kdb_trap() at kdb_trap+0x19e/frame 0xffffffff82b8b050
trap() at trap+0x2e6/frame 0xffffffff82b8b170
calltrap() at calltrap+0x8/frame 0xffffffff82b8b170
--- trap 0x3, rip = 0xffffffff810b4ba7, rsp = 0xffffffff82b8b240, rbp = 0xffffffff82b8b260 ---
kdb_enter() at kdb_enter+0x67/frame 0xffffffff82b8b260
vpanic() at vpanic+0x200/frame 0xffffffff82b8b2c0
panic() at panic+0x43/frame 0xffffffff82b8b320
trap_fatal() at trap_fatal+0x4ca/frame 0xffffffff82b8b3a0
trap_pfault() at trap_pfault+0xdc/frame 0xffffffff82b8b420
trap() at trap+0x3f8/frame 0xffffffff82b8b540
calltrap() at calltrap+0x8/frame 0xffffffff82b8b540
--- trap 0xc, rip = 0xffffffff8108d525, rsp = 0xffffffff82b8b610, rbp = 0xffffffff82b8b650 ---
tdq_notify() at tdq_notify+0x55/frame 0xffffffff82b8b650
sched_add() at sched_add+0x20f/frame 0xffffffff82b8b690
setrunnable() at setrunnable+0x11d/frame 0xffffffff82b8b6d0
sleepq_timeout() at sleepq_timeout+0x151/frame 0xffffffff82b8b720
softclock_call_cc() at softclock_call_cc+0x1fb/frame 0xffffffff82b8b800
callout_process() at callout_process+0x2c5/frame 0xffffffff82b8b880
handleevents() at handleevents+0x2e9/frame 0xffffffff82b8b8d0
timercb() at timercb+0x285/frame 0xffffffff82b8b920
lapic_handle_timer() at lapic_handle_timer+0xcc/frame 0xffffffff82b8b950
Xtimerint() at Xtimerint+0xb1/frame 0xffffffff82b8b950
--- interrupt, rip = 0xffffffff8171ce9b, rsp = 0xffffffff82b8ba20, rbp = 0xffffffff82b8ba20 ---
acpi_cpu_c1() at acpi_cpu_c1+0xb/frame 0xffffffff82b8ba20
acpi_cpu_idle() at acpi_cpu_idle+0x3dc/frame 0xffffffff82b8ba70
cpu_idle_acpi() at cpu_idle_acpi+0x5c/frame 0xffffffff82b8baa0
cpu_idle() at cpu_idle+0x12e/frame 0xffffffff82b8bad0
sched_idletd() at sched_idletd+0x5d4/frame 0xffffffff82b8bbb0
fork_exit() at fork_exit+0xb3/frame 0xffffffff82b8bbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xffffffff82b8bbf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4212         4850K         4240
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        27951         1631K        28015
              kobj          334         1336K          493
            newblk           14         1028K         5319
          vfscache            4         1025K            4
               pcb           45          553K         1118
          inodedep           14          519K         4274
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          146          297K         3023
            acpica         1674          185K        55859
         vnet_data            1          168K            1
          filedesc           21          149K         3967
           pagedep           10          131K         2427
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          122
            linker          239           96K          280
               BPF           46           88K           46
               bus          972           79K         3392
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          501           63K          501
              umtx          360           45K          360
           kdtrace          203           39K         9168
              temp           35           33K         3428
         hostcache            1           32K            1
               shm            1           32K            2
            DEVFS3          124           31K          134
               msg            4           30K            4
        DEVFS_RULE           56           27K           56
              vmem            3           26K            5
            ifaddr           76           26K           76
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
         ufs_mount            5           17K            6
           lltable           45           17K           57
              proc            3           17K            3
               tty           16           16K           16
           tidhash            1           16K            1
           ithread           98           16K           98
       ether_multi          172           14K          177
            bus-sc           30           14K         1439
            KTRACE          100           13K          100
             ifnet            7           13K            7
              kenv           92           12K           92
      eventhandler          132           12K          132
         in6_multi           89           11K           89
         pfs_nodes           20           10K           20
              GEOM           60           10K          488
              rman           82           10K          423
              cred           34            9K          383
         bmsafemap            2            9K         3946
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            3
       pfs_vncache            1            8K            1
            select           61            8K           61
     audit_evclass          233            8K          291
            kqueue           66            7K         2947
           pf_rule            6            6K          390
           CAM DEV            3            6K          510
         sctp_atcl           12            6K          364
            plimit           24            6K          822
                vt           11            6K           11
          routetbl           27            6K           47
            sglist            5            6K            5
         CAM queue            5            6K         1528
         sctp_stro            5            5K            7
            DEVFSP           78            5K           82
         taskqueue           45            5K           45
       ufs_dirhash           24            5K           24
          pf_ifnet           10            5K           19
           session           34            5K           49
              pgrp           34            5K           55
               UMA          249            5K          249
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          kcovinfo           64            4K           68
             lockf           32            4K           54
             hhook           13            4K           13
         proc-args           53            3K          658
           acpisem           22            3K           22
          terminal           11            3K           11
           uidinfo            3            3K           10
          sctp_ifa           17            3K           17
          pf_table            1            2K            6
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           21
            Unitno           32            2K         4421
           CAM XPT           22            2K          543
          in_multi            6            2K            7
           acpidev           20            2K           20
               msi            9            2K            9
            ip6opt            6            2K           14
               tun            7            2K            7
           softdep            1            1K            1
          indirdep            4            1K         1881
       ipsecpolicy            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             clone            8            1K            8
       vnodemarker            2            1K         1628
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            diradd            6            1K         2979
               mld            6            1K            6
          sctp_ifn            6            1K            6
              igmp            6            1K            6
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           86
          pci_link           10            1K           10
         sctp_atky           17            1K          371
          freework            3            1K         2935
            crypto            3            1K            3
         newdirblk            4            1K         1969
             mkdir            4            1K         3938
          freeblks            2            1K         2838
       inpcbpolicy           16            1K         1700
         sctp_timw            2            1K            2
              pfil            4            1K            4
    chacha20random            1            1K            1
           CAM SIM            2            1K            2
             epoch            4            1K            4
              cdev            2            1K            2
 encap_export_host            8            1K            8
           pf_osfp            3            1K            3
               osd            3            1K            9
            dirrem            1            1K         2938
          freefile            2            1K         2936
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
         sctp_athm           12            1K          364
        loginclass            3            1K            6
            soname            7            1K         6485
          sctp_map           10            1K           14
     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
           tcpfunc            2            1K            2
              ktls            1            1K            1
          pmchooks            1            1K            1
            prison            4            1K            4
          nexusdev            5            1K            5
          filecaps            5            1K          115
           entropy            2            1K           42
          sctp_vrf            1            1K            1
              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
               iov            1            1K        16274
          p1003.1b            1            1K            1
           pf_altq            0            0K            0
           pf_temp            0            0K            0
           ath_hal            0            0K            0
        madt_table            0            0K            2
            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
            ata_da            0            0K            0
            pvscsi            0            0K            0
          smartpqi            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
       tcp_log_dev            0            0K            2
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
       fpukern_ctx            0            0K            0
      midi buffers            0            0K            0
          xen_intr            0            0K            0
             mixer            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
       dmar_dmamap            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
              isci            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
           CAM CCB            0            0K        14699
               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          591
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K          817
           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
          freefrag            0            0K            5
        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
        audit_path            0            0K            0
        audit_data            0            0K            0
        audit_cred            0            0K            0
             xform            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
       ip6_msource            0            0K            0
      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
lDevFlags * malloc            0            0K            0
               LRO            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          257
         sctp_iter            0            0K           73
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K           66
         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
      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
tiDeviceHandle_t * malloc            0            0K            0
            statfs            0            0K         2150
       export_host            0            0K            0
        cl_savebuf            0            0K            2
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
              nvme            0            0K            0
               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
          mbuf_tag            0            0K          132
              accf            0            0K            0
               pts            0            0K            0
          ioctlops            0            0K          534
           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
         sysctltmp            0            0K          683
            sysctl            0            0K            1
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K          439
              rctl            0            0K            0
          ix_sriov            0            0K            0
        aacraidcam            0            0K            0
                ix            0            0K            0
            ipsbuf            0            0K            0
            iirbuf            0            0K            0
             cache            0            0K            0
       aacraid_buf            0            0K            0
      prison_racct            0            0K            0
       Fail Points            0            0K            0
             sigio            0            0K            3
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
       tty console            0            0K            0
            aaccam            0            0K            0
            aacbuf            0            0K            0
              zstd            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        isofs_node            0            0K            0
       isofs_mount            0            0K            0
     tr_raid5_data            0            0K            0
    tr_raid1e_data            0            0K            0
     tr_raid1_data            0            0K            0
     tr_raid0_data            0            0K            0
    tr_concat_data            0            0K            0
       md_sii_data            0            0K            0
   md_promise_data            0            0K            0
    md_nvidia_data            0            0K            0
   md_jmicron_data            0            0K            0
     md_intel_data            0            0K            0
       md_ddf_data            0            0K            0
         raid_data            0            0K           72
     geom_flashmap            0            0K            0
           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
            vtfont            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9782     378        9783       0     254   20807680        0
       mbuf_packet    256    8214    1438      526103       0     254    2470912        0
           tcp_log    416       0    5589        5356       0     254    2325024        0
               512    512    4174      58        6239       0      30    2166784        0
   mbuf_jumbo_page   4096       0     508         428       0     254    2080768        0
          BUF TRIE    144     188   13308       11714       0      62    1943424        0
              4096   4096     334       2         497       0       2    1376256        0
               128    128    9320     135        9768       0     126    1210240        0
         sctp_asoc   2288       5     505           7       0     254    1166880        0
        RADIX NODE    144    7908     153       95057       0      62    1160784        0
              pbuf    832       0     969           0       0       2     806208        0
       UMA Slabs 0    112    7095      27        7095       0     126     797664        0
           sctp_ep   1280       7     503         357       0     254     652800        0
             tcpcb   1040       9     508         449       0     254     537680        0
            socket    904      46     467        5173       0     254     463752        0
        256 Bucket   2048     182      10        1064       0       8     393216        0
        sctp_raddr    736       5     512           7       0     254     380512        0
              4096   4096      86       4        2963       0       2     368640        0
         VM OBJECT    264    1296      54       45601       0      30     356400        0
             65536  65536       4       1         116       0       1     327680        0
            THREAD   1792     155      25        3366       0       8     322560        0
             VNODE    488     553      79        3491       0      30     308416        0
              mbuf    256     485     543      264071       0     254     263168        0
             16384  16384      12       4        2121       0       1     262144        0
               256    256     287     718       14608       0      62     257280        0
             ripcb    488       5     507          14       0     254     249856        0
     udplite_inpcb    488       0     512        1040       0     254     249856        0
         tcp_inpcb    488       9     503         449       0     254     249856        0
         udp_inpcb    488       2     510         197       0     254     249856        0
                64     64    2752     335        2784       0     254     197568        0
             65536  65536       3       0           3       0       1     196608        0
             32768  32768       1       5         178       0       1     196608        0
         MAP ENTRY     96    1704     312      157186       0     126     193536        0
                16     16   11756     244       11845       0     254     192000        0
              1024   1024     116      64         435       0      16     184320        0
               128    128    1216     179       25176       0     126     178560        0
       FFS2 dinode    256     517     173        3453       0      62     176640        0
         UMA Zones    768     223       3         223       0      16     173568        0
                32     32    4447     467        4462       0     254     157248        0
           VMSPACE   2536      41      13        2924       0       4     136944        0
         vmem btag     56    2189     174        2189       0     254     132328        0
             65536  65536       0       2         169       0       1     131072        0
             unpcb    256      23     487        3080       0     254     130560        0
          ksiginfo    112      65     979         106       0     126     116928        0
              2048   2048       5      51       15853       0       8     114688        0
         FFS inode    160     517     183        3453       0      62     112000        0
              PROC   1312      63      18        2940       0       8     106272        0
               128    128     508     267        6182       0     126      99200        0
             32768  32768       1       2           4       0       1      98304        0
         filedesc0   1088      64      20        2941       0       8      91392        0
             g_bio    408       0     210       56450       0      30      85680        0
        128 Bucket   1024      54      29         388       0      16      84992        0
               128    128     374     277        3531       0     126      83328        0
               128    128     451     200        2205       0     126      83328        0
          UMA Kegs    384     209       6         209       0      30      82560        0
       S VFS Cache    108     624     132        4277       0     126      81648        0
               256    256     184     131        6272       0      62      80640        0
        sctp_chunk    152       5     515           5       0     254      79040        0
         64 Bucket    512      85      51        4578       0      30      69632        0
                64     64     598     473        1243       0     254      68544        0
                64     64     525     546        1931       0     254      68544        0
       tcp_bbr_map    128       0     527         398       0     126      67456        0
             65536  65536       1       0           1       0       1      65536        0
             65536  65536       1       0           1       0       1      65536        0
              8192   8192       7       1         116       0       1      65536        0
              4096   4096      13       3          26       0       2      65536        0
              2048   2048      11      21         552       0       8      65536        0
               256    256      64     191        4746       0      62      65280        0
               512    512      27      93        4348       0      30      61440        0
               512    512      92      28          99       0      30      61440        0
sctp_stream_msg_out    112       0     540           5       0     254      60480        0
                64     64     270     549        3156       0     254      52416        0
               128    128     162     241         657       0     126      51584        0
               128    128      36     367        3971       0     126      51584        0
               128    128      38     365        4984       0     126      51584        0
               256    256      16     179        3962       0      62      49920        0
         32 Bucket    256      44     151        1286       0      62      49920        0
           DIRHASH   1024      34      14          34       0      16      49152        0
             NAMEI   1024       0      48       26802       0      16      49152        0
              8192   8192       6       0           6       0       1      49152        0
               512    512      49      47          49       0      30      49152        0
          syncache    168       0     264           4       0     254      44352        0
              4096   4096       8       2         462       0       2      40960        0
            clpbuf    832       0      48         126       0      16      39936        0
              pipe    760      22      28         423       0      16      38000        0
              2048   2048       4      14          48       0       8      36864        0
             selfd     64     123     444       19914       0     254      36288        0
                64     64       6     561       15321       0     254      36288        0
                64     64     204     363         234       0     254      36288        0
                64     64      67     500        2969       0     254      36288        0
                64     64      16     551          40       0     254      36288        0
     routing nhops    256      17     118          39       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
               256    256       4     131        1004       0      62      34560        0
               256    256      62      73        1955       0      62      34560        0
               256    256      25     110        1275       0      62      34560        0
               256    256      22     113         403       0      62      34560        0
         TURNSTILE    136     181      71         181       0      62      34272        0
        SLEEPQUEUE     88     181     203         181       0     126      33792        0
             32768  32768       0       1         112       0       1      32768        0
             32768  32768       1       0           1       0       1      32768        0
             16384  16384       2       0           3       0       1      32768        0
              8192   8192       2       2           4       0       1      32768        0
              4096   4096       7       1           7       0       2      32768        0
              2048   2048       7       9          14       0       8      32768        0
              2048   2048       8       8          10       0       8      32768        0
              1024   1024       6      26           8       0      16      32768        0
              1024   1024      27       5          53       0      16      32768        0
              1024   1024      10      22          10       0      16      32768        0
              1024   1024       7      25         391       0      16      32768        0
              1024   1024       7      25           7       0      16      32768        0
              1024   1024       0      32        1983       0      16      32768        0
               512    512      12      52         370       0      30      32768        0
               512    512      12      52          12       0      30      32768        0
               512    512      31      33         552       0      30      32768        0
     mt_stats_zone     64     443      69         443       0     254      32768        0
           64 pcpu      8    3838     258        5062       0     254      32768        0
         16 Bucket    144      61     163        6335       0      62      32256        0
             KNOTE    160      27     173       28023       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     241     159       16565       0     126      32000        0
          8 Bucket     80      40     360       12617       0     126      32000        0
       tcp_bbr_pcb    832       0      36           5       0      16      29952        0
            cpuset    104       7     272           7       0     126      29016        0
           pf tags    104       2     271          12       0     126      28392        0
        sctp_laddr     48       0     588          17       0     254      28224        0
         hostcache     96       1     293           1       0     254      28224        0
               PWD     32      22     860        2063       0     254      28224        0
                32     32     284     598        4779       0     254      28224        0
          4 Bucket     48      11     577       16161       0     254      28224        0
        KMAP ENTRY     96      12     279          12       0     126      27936        0
           rtentry    208      35      98          39       0      62      27664        0
              8192   8192       3       0           3       0       1      24576        0
              4096   4096       1       5        2549       0       2      24576        0
          rl_entry     40      86     520          86       0     254      24240        0
      vtnet_tx_hdr     24       0    1002      256598       0     254      24048        0
       Mountpoints   2816       2       6           2       0       4      22528        0
             udpcb     32       2     628        1237       0     254      20160        0
                32     32      18     612         499       0     254      20160        0
                32     32      93     537        4627       0     254      20160        0
                32     32     161     469        3163       0     254      20160        0
                32     32      29     601          39       0     254      20160        0
                32     32      27     603         829       0     254      20160        0
                32     32      21     609        1073       0     254      20160        0
          2 Bucket     32      53     577        9985       0     254      20160        0
          procdesc    136       5     140          18       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
              4096   4096       3       1           3       0       2      16384        0
              2048   2048       2       6           2       0       8      16384        0
              2048   2048       1       7           1       0       8      16384        0
              2048   2048       2       6           2       0       8      16384        0
              1024   1024       4      12           4       0      16      16384        0
               512    512       1      31           1       0      30      16384        0
           mt_zone     24     443     225         443       0     254      16032        0
                16     16     453     547        1563       0     254      16000        0
              kenv    258       3      57        1125       0      30      15480        0
               MAP    216       2      69           2       0      62      15336        0
     FPU_save_area    832       1      17           1       0      16      14976        0
              vmem   1856       1       7           1       0       8      14848        0
                16     16      22     728        1481       0     254      12000        0
                16     16      15     735         128       0     254      12000        0
                16     16      34     716       25407       0     254      12000        0
                16     16      22     728         301       0     254      12000        0
                16     16      38     712          92       0     254      12000        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
              8192   8192       1       0           1       0       1       8192        0
           SMR CPU     32       1     254           1       0     254       8160        0
                16     16       1     499           1       0     254       8000        0
        SMR SHARED     24       1     254           1       0     254       6120        0
       UMA Slabs 1    176       8      14           8       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
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    256       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0      62          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    296       0       0           0       0     254          0        0
          pf mtags     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
      tcp_log_node    120       0       0           0       0     126          0        0
    tcp_log_bucket    184       0       0           0       0      62          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
            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
           NCLNODE    592       0       0           0       0      16          0        0
             rentr     24       0       0           0       0     254          0        0
     LTS VFS Cache    368       0       0           0       0      30          0        0
       L VFS Cache    328       0       0           0       0      30          0        0
     STS VFS Cache    148       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
    DMAR_MAP_ENTRY    128       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
              4096   4096       0       0           0       0       2          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/06/24 00:12 freebsd 49baceb91aae 8e0c064e console log report ci-freebsd-i386
* Struck through repros no longer work on HEAD.