syzbot


Fatal trap 12: page fault in copyin_nosmap_erms

Status: fixed on 2021/01/13 23:35
Reported-by: syzbot+81e380344d4a6c37d78a@syzkaller.appspotmail.com
Fix commit: ea36212bf571 pf: Don't hold PF_RULES_WLOCK during copyin() on DIOCRCLRTSTATS
First crash: 830d, last: 783d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x0
fault code		= supervisor read data, page not present

instruction pointer	= 0x20:0xffffffff81728886
stack pointer	        = 0x28:0xfffffe005e999250
frame pointer	        = 0x28:0xfffffe005e999250
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 779 (syz-executor7409557)
trap number		= 12
panic: page fault
cpuid = 1
time = 1607206069
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe005e998eb0
vpanic() at vpanic+0x1c7/frame 0xfffffe005e998f10
panic() at panic+0x43/frame 0xfffffe005e998f70
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe005e998ff0
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe005e999060
trap() at trap+0x41d/frame 0xfffffe005e999180
calltrap() at calltrap+0x8/frame 0xfffffe005e999180
--- trap 0xc, rip = 0xffffffff81728886, rsp = 0xfffffe005e999250, rbp = 0xfffffe005e999250 ---
copyin_nosmap_erms() at copyin_nosmap_erms+0x156/frame 0xfffffe005e999250
pfioctl() at pfioctl+0x3402/frame 0xfffffe005e999780
devfs_ioctl() at devfs_ioctl+0x14e/frame 0xfffffe005e9997e0
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x78/frame 0xfffffe005e999810
vn_ioctl() at vn_ioctl+0x278/frame 0xfffffe005e999930
devfs_ioctl_f() at devfs_ioctl_f+0x47/frame 0xfffffe005e999970
kern_ioctl() at kern_ioctl+0x3cd/frame 0xfffffe005e9999e0
sys_ioctl() at sys_ioctl+0x265/frame 0xfffffe005e999ab0
amd64_syscall() at amd64_syscall+0x247/frame 0xfffffe005e999bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe005e999bf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b3d1a, rsp = 0x7fffffffea58, rbp = 0x7fffffffea80 ---
KDB: enter: panic
[ thread pid 779 tid 100104 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1471976(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff818d5f3b
rbx                          0
rsp         0xfffffe005e998e90
rbp         0xfffffe005e998eb0
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0094ba3d10
r12         0xffffffff820671c0  ddb_dbbe
r13                          0
r14         0xffffffff8197df14
r15         0xffffffff8197df14
rip         0xffffffff810ead87  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x1471976(%rip)
db> show proc
Process 779 (syz-executor7409557) at 0xfffff8001948ba50:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 777 at 0xfffff800197ef528
 ABI: FreeBSD ELF64
 arguments: ./syz-executor740955796
 reaper: 0xfffff80004453528 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094c31000
   (map 0xfffffe0094c31000)
   (map.pmap 0xfffffe0094c310c0)
   (pmap 0xfffffe0094c31120)
 threads: 1
100104                   Run     CPU 1                       syz-executor7409557
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  779   777   777     0  R       CPU 1                       syz-executor7409557
  777   775   777     0  Ss      pause   0xfffff800197ef5d8  csh
  775   694   775     0  Ss      select  0xfffff800192c7740  sshd
  754     1   754     0  Rs+                                 getty
  753     1   753     0  Ss+     ttyin   0xfffff80004ba70b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004ba74b0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004ba78b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004ba7cb0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004b9c0b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004b9c4b0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004b9c8b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b9ccb0  getty
  744     1    24     0  S+      piperd  0xfffff8001935f8b8  logger
  743   742    24     0  S+      nanslp  0xffffffff8252fea0  sleep
  742     1    24     0  S+      wait    0xfffff80004e8f000  sh
  698     1   698     0  Ss      nanslp  0xffffffff8252fea0  cron
  694     1   694     0  Ss      select  0xfffff800192c7b40  sshd
  507     1   507     0  Ds      bo_wwai 0xfffff800192a2ec8  syslogd
  436     1   436     0  Ss      select  0xfffff80004f5b140  devd
  435     1   435    65  Ss      select  0xfffff800192c7ec0  dhclient
  350     1   350     0  Ss      select  0xfffff800192c7f40  dhclient
  347     1   347     0  Ss      select  0xfffff80004f5b040  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004d65a50  [vnlru]
   22     0     0     0  DL      syncer  0xffffffff8261d238  [syncer]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100070                   D       qsleep  0xffffffff8261c300  [bufdaemon]
100075                   D       -       0xffffffff8200ac80  [bufspacedaemon-0]
100087                   D       sdflush 0xfffff800043408e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff826437c8  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100068                   D       psleep  0xffffffff82637c38  [dom0]
100076                   D       launds  0xffffffff82637c44  [laundry: dom0]
100077                   D       umarcl  0xffffffff814f7a20  [uma]
   18     0     0     0  RL                                  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82d0e818  [sctp_iterator]
   16     0     0     0  RL                                  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod1]
    6     0     0     0  RL      (threaded)                  [cam]
100034                   Run     CPU 0                       [doneq0]
100067                   D       -       0xffffffff8223be90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80004348c90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004348c30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82635130  [crypto]
   14     0     0     0  DL      seqstat 0xfffff800044bf488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100025                   D       -       0xffffffff8250f720  [g_event]
100026                   D       -       0xffffffff8250f728  [g_up]
100027                   D       -       0xffffffff8250f730  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100018                   D       -       0xfffff80004472300  [thr_0]
100019                   D       -       0xfffff80004472380  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100011                   I                                   [swi5: fast taskq]
100014                   I                                   [swi6: task queue]
100015                   I                                   [swi6: Giant taskq]
100020                   I                                   [swi1: netisr 0]
100021                   I                                   [swi4: clock (0)]
100022                   I                                   [swi4: clock (1)]
100023                   I                                   [swi3: vm]
100035                   I                                   [irq24: virtio_pci0]
100036                   I                                   [irq25: virtio_pci0]
100037                   I                                   [irq26: virtio_pci0]
100038                   I                                   [irq27: virtio_pci0]
100039                   I                                   [irq28: virtio_pci1]
100040                   I                                   [irq29: virtio_pci1]
100041                   I                                   [irq30: virtio_pci1]
100042                   I                                   [irq31: virtio_pci1]
100043                   I                                   [irq32: virtio_pci1]
100048                   I                                   [irq10: virtio_pci2]
100050                   I                                   [irq1: atkbd0]
100051                   I                                   [irq12: psm0]
100052                   I                                   [swi0: uart uart++]
100060                   I                                   [swi1: pf send]
100073                   I                                   [swi1: hpts]
100074                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004453528  [init]
   10     0     0     0  DL      audit_w 0xffffffff82635650  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250fcb0  [swapper]
100005                   D       -       0xfffff80004477e00  [if_io_tqg_0]
100006                   D       -       0xfffff80004477d00  [if_io_tqg_1]
100007                   D       -       0xfffff80004477c00  [if_config_tqg_0]
100008                   D       -       0xfffff80004477b00  [softirq_0]
100009                   D       -       0xfffff80004477a00  [softirq_1]
100010                   D       -       0xfffff80004342200  [in6m_free taskq]
100012                   D       -       0xfffff8000447ad00  [kqueue_ctx taskq]
100013                   D       -       0xfffff8000447ab00  [inm_free taskq]
100016                   D       -       0xfffff8000447a500  [aiod_kick taskq]
100017                   D       -       0xfffff8000447a300  [thread taskq]
100024                   D       -       0xfffff8000448ca00  [firmware taskq]
100029                   D       -       0xfffff8000448c300  [crypto_0]
100030                   D       -       0xfffff8000448c300  [crypto_1]
100044                   D       -       0xfffff800044fe300  [vtnet0 rxq 0]
100045                   D       -       0xfffff800044fe200  [vtnet0 txq 0]
100046                   D       -       0xfffff800044fe100  [vtnet0 rxq 1]
100047                   D       -       0xfffff800044fe000  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff80004645700  [virtio_balloon]
100053                   D       -       0xfffff800048b1e00  [mca taskq]
100055                   D       -       0xffffffff81d26660  [deadlkres]
100062                   D       -       0xfffff80004b99d00  [acpi_task_0]
100063                   D       -       0xfffff80004b99d00  [acpi_task_1]
100064                   D       -       0xfffff80004b99d00  [acpi_task_2]
100066                   D       -       0xfffff800044feb00  [CAM taskq]
db> show all locks
Process 779 (syz-executor7409557) thread 0xfffffe0094ba3800 (100104)
exclusive rm pf rulesets (pf rulesets) r = 0 (0xffffffff82e9c4b8) locked @ /syzkaller/managers/main/kernel/sys/netpfil/pf/pf_ioctl.c:3093
Process 754 (getty) thread 0xfffffe0094ba0000 (100103)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffff800048a3c08) locked @ /syzkaller/managers/main/kernel/sys/kern/tty.c:218
Process 507 (syslogd) thread 0xfffffe008857c700 (100084)
exclusive lockmgr ufs (ufs) r = 0 (0xfffff800192a2dc8) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3506
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4339K         4241
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        29250         1706K        29315
              kobj          337         1348K          498
            newblk          536         1158K          584
          vfscache            3         1025K            3
               pcb           21          537K           75
          inodedep           21          520K           86
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          101          205K          835
            acpica         1674          184K        54318
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           10          131K           61
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          101          101K          110
            linker          254           97K          282
               bus          994           81K         3318
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          509           64K          509
              temp           20           39K         1562
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
            DEVFS3          120           30K          130
           kdtrace          153           30K          887
              umtx          216           27K          216
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
               BPF           10           18K           10
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            bus-sc           31           14K         1555
            KTRACE          100           13K          100
            ifaddr           32           12K           32
              kenv           92           12K           92
      eventhandler          125           11K          125
              GEOM           60           10K          489
              rman           82           10K          423
         bmsafemap            4            9K           45
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          233            8K          291
            sglist            5            7K            5
           CAM DEV            3            6K          510
          routetbl           23            6K           27
              cred           21            6K          233
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
       ufs_dirhash           24            5K           24
            plimit           17            5K          322
             ifnet            3            5K            3
                vt           11            5K           11
               UMA          254            5K          254
          pf_table            2            4K            3
           memdesc            1            4K            1
               MCA           32            4K           32
          filedesc            1            4K            1
             evdev            4            4K            4
          pf_ifnet            7            4K            8
             hhook           13            4K           13
       ether_multi           40            4K           50
           lltable           11            4K           11
         in6_multi           25            3K           25
            kqueue           46            3K          782
           pwddesc           46            3K          780
          terminal           11            3K           11
           acpisem           22            3K           22
           session           20            3K           31
              pgrp           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
          ioctlops            1            2K           87
         proc-args           39            2K          484
           CAM XPT           22            2K          543
             lockf           15            2K           22
            Unitno           25            2K           37
             selfd           22            2K         9062
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
            diradd            6            1K           36
          indirdep            3            1K            3
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifa            5            1K            7
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
            crypto            3            1K            3
          in_multi            2            1K            4
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
    chacha20random            1            1K            1
               osd            3            1K            9
          sctp_ifn            2            1K            7
            dirrem            1            1K           28
               mld            2            1K            2
              igmp            2            1K            2
            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
       inpcbpolicy            6            1K          131
        loginclass            3            1K            7
            prison            6            1K            6
           pf_rule            1            1K            1
     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           26
          freefrag            1            1K            8
           tcpfunc            2            1K            2
          procdesc            1            1K            6
          pmchooks            1            1K            1
            DEVFSP            2            1K            2
            soname            4            1K         3135
          filecaps            4            1K           63
               tun            3            1K            3
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           35
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            3
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            3
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            nvlist            0            0K            0
          SCSI ENC            0            0K            0
           SCSI sa            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
         scsi_pass            0            0K            0
         ciss_data            0            0K            0
            pvscsi            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
               amr            0            0K            0
           scsi_da            0            0K           69
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
            USBdev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
       fpukern_ctx            0            0K            0
               USB            0            0K            0
          xen_intr            0            0K            0
       AHCI driver            0            0K            0
               agp            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           nvme_da            0            0K            0
           acpipwr            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
            twsbuf            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
      twe_commands            0            0K            0
      twa_commands            0            0K            0
       tcp_log_dev            0            0K            0
     vm_fictitious            0            0K            0
      midi buffers            0            0K            0
             mixer            0            0K            0
              ac97            0            0K            0
             hdacc            0            0K            0
              hdac            0            0K            0
              hdaa            0            0K            0
         acpi_perf            0            0K            0
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           UMAHash            0            0K            0
           CAM CCB            0            0K         1897
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K            8
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            2
           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
         newdirblk            0            0K            8
             mkdir            0            0K           16
          freefile            0            0K           25
          freeblks            0            0K           25
        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
            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
               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
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         80211perr            0            0K            0
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               gif            0            0K            0
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            statfs            0            0K          195
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       export_host            0            0K            0
        cl_savebuf            0            0K            6
               PUC            0            0K            0
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agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
          tempbuff            0            0K            0
          tempbuff            0            0K            0
ag_tgt_map_t malloc            0            0K            0
ag_slr_map_t malloc            0            0K            0
lDevFlags * malloc            0            0K            0
tiDeviceHandle_t * malloc            0            0K            0
ag_portal_data_t malloc            0            0K            0
ag_device_t malloc            0            0K            0
     STLock malloc            0            0K            0
          CCB List            0            0K            0
            sr_iov            0            0K            0
               OCS            0            0K            0
               OCS            0            0K            0
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              sbuf            0            0K          288
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9593       1        9593       0     254   19648512        0
              pbuf   2632       0     973           0       0       2    2560936        0
       mbuf_packet    256    8192    1273       25777       0     254    2423040        0
          BUF TRIE    144     176   13292         518       0      62    1939392        0
        malloc-384    384    4139       1        4141       0      30    1589760        0
       malloc-4096   4096     337       1         498       0       2    1384448        0
        malloc-128    128   10352      33       10647       0     126    1329280        0
       UMA Slabs 0    112    5578      35        5578       0     126     628656        0
         FFS inode   1128     483      21         508       0       8     568512        0
        RADIX NODE    144    2054     155       19917       0      62     318096        0
             VNODE    488     513      31         540       0      30     265472        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-65536  65536       3       1          11       0       1     262144        0
         VM OBJECT    264     886      44       12627       0      30     245520        0
        256 Bucket   2048     103      15        6548       0       8     241664        0
            DEVCTL   1024       0     212         112       0       0     217088        0
       malloc-4096   4096      49       3        1366       0       2     212992        0
         malloc-16     16   12231     269       12293       0     254     200000        0
            THREAD   1792     106       2         106       0       8     193536        0
         malloc-64     64    2752      83        2776       0     254     181440        0
         UMA Zones    768     226       3         226       0      16     175872        0
         malloc-32     32    4782     132        4955       0     254     157248        0
        malloc-128    128    1126      83       25316       0     126     154752        0
        malloc-256    256     569      16         739       0      62     149760        0
              mbuf    256     386     154        2310       0     254     138240        0
      malloc-65536  65536       0       2          45       0       1     131072        0
      malloc-65536  65536       0       2         122       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
       FFS2 dinode    256     483      12         508       0      62     126720        0
       malloc-1024   1024     113       3         123       0      16     118784        0
          ksiginfo    112      36    1008          51       0     126     116928        0
         MAP ENTRY     96     836     382       37808       0     126     116928        0
         vmem btag     56    1871      61        1871       0     254     108192        0
       S VFS Cache    104     962      52        1006       0     126     105456        0
       malloc-4096   4096      23       0          34       0       2      94208        0
            clpbuf   2632       0      32          18       0      16      84224        0
          UMA Kegs    384     212       1         212       0      30      81792        0
       malloc-8192   8192       6       3          34       0       1      73728        0
       malloc-2048   2048       1      35        1898       0       8      73728        0
             g_bio    408       4     176        5062       0      30      73440        0
              PROC   1320      45       9         779       0       8      71280        0
           VMSPACE   2544      23       4         758       0       4      68688        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         126       0       1      65536        0
        128 Bucket   1024      35      28        1904       0      16      64512        0
         filedesc0   1072      46      10         780       0       8      60032        0
        malloc-256    256     163      47         479       0      62      53760        0
         32 Bucket    256      48     147         803       0      62      49920        0
      malloc-16384  16384       3       0           3       0       1      49152        0
         malloc-64     64     542     214       10740       0     254      48384        0
        malloc-128    128     308      64         447       0     126      47616        0
       malloc-2048   2048       9      13         516       0       8      45056        0
         malloc-64     64     523     170        1624       0     254      44352        0
        malloc-256    256     136      29         465       0      62      42240        0
             NAMEI   1024       0      40       11849       0      16      40960        0
           DIRHASH   1024      34       2          34       0      16      36864        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0           5       0       1      32768        0
      malloc-16384  16384       0       2         153       0       1      32768        0
       malloc-8192   8192       3       1           5       0       1      32768        0
           pcpu-64     64     452      60         452       0     254      32768        0
            pcpu-8      8    3887     209        3905       0     254      32768        0
        malloc-384    384      75       5         396       0      30      30720        0
        malloc-384    384      20      50          85       0      30      26880        0
        malloc-256    256      28      77         697       0      62      26880        0
   mbuf_jumbo_page   4096       0       6          10       0     254      24576        0
       malloc-8192   8192       2       1         102       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
         64 Bucket    512      47       1         547       0      30      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128     127      59         168       0     126      23808        0
        malloc-128    128     142      44         494       0     126      23808        0
             tcpcb   1048       3      19           7       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      53       7          53       0      30      23040        0
            socket    944      14      10        1215       0     254      22656        0
       malloc-4096   4096       4       1           8       0       2      20480        0
       malloc-2048   2048       5       5          18       0       8      20480        0
       malloc-2048   2048       6       4         262       0       8      20480        0
       malloc-1024   1024      18       2          18       0      16      20480        0
         malloc-64     64     249      66       13407       0     254      20160        0
          4 Bucket     48      10     410        6298       0     254      20160        0
          8 Bucket     80      43     207        5972       0     126      20000        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      52      23          53       0      62      19200        0
        malloc-256    256      60      15         482       0      62      19200        0
        malloc-256    256      36      39         422       0      62      19200        0
         TURNSTILE    136     109      17         109       0      62      17136        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       3       1           4       0       2      16384        0
       malloc-4096   4096       1       3         199       0       2      16384        0
       malloc-1024   1024       6      10         884       0      16      16384        0
       malloc-1024   1024      14       2          14       0      16      16384        0
         malloc-64     64     192      60        1718       0     254      16128        0
         malloc-32     32     277     227         404       0     254      16128        0
        malloc-128    128      97      27         789       0     126      15872        0
              pipe    744       7      13         282       0      16      14880        0
        SLEEPQUEUE     88     109      51         109       0     126      14080        0
       malloc-2048   2048       3       3         194       0       8      12288        0
       malloc-1024   1024       2      10          42       0      16      12288        0
             Files     80      71      79        6444       0     126      12000        0
        malloc-256    256      12      33          42       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           3       0       2       8192        0
       malloc-2048   2048       3       1           7       0       8       8192        0
       malloc-2048   2048       2       2          40       0       8       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-1024   1024       2       6           2       0      16       8192        0
       malloc-1024   1024       4       4         160       0      16       8192        0
       malloc-1024   1024       3       5          19       0      16       8192        0
        malloc-512    512       1      15         119       0      30       8192        0
        malloc-512    512       4      12           4       0      30       8192        0
        malloc-512    512       2      14         510       0      30       8192        0
        malloc-512    512       3      13          47       0      30       8192        0
        malloc-512    512       2      14           8       0      30       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
           rtentry    176      14      32          18       0      62       8096        0
          rl_entry     40      29     173          29       0     254       8080        0
             udpcb     32       2     250         120       0     254       8064        0
               PWD     32      10     242         100       0     254       8064        0
         malloc-64     64      11     115          24       0     254       8064        0
         malloc-64     64       2     124          37       0     254       8064        0
         malloc-64     64      28      98          48       0     254       8064        0
         malloc-32     32     101     151         137       0     254       8064        0
         malloc-32     32      46     206        1888       0     254       8064        0
         malloc-32     32      58     194         849       0     254       8064        0
         malloc-32     32      30     222        2724       0     254       8064        0
         16 Bucket    144      35      21         194       0      62       8064        0
          2 Bucket     32      50     202        8878       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1348       0     254       8016        0
             KNOTE    160       0      50           8       0      62       8000        0
         malloc-16     16      16     484          46       0     254       8000        0
         malloc-16     16      28     472         226       0     254       8000        0
         malloc-16     16      39     461         496       0     254       8000        0
         malloc-16     16     188     312        1352       0     254       8000        0
         malloc-16     16       8     492           8       0     254       8000        0
         malloc-16     16     252     248         254       0     254       8000        0
         malloc-16     16      27     473       24504       0     254       8000        0
        malloc-128    128      16      46          72       0     126       7936        0
        malloc-128    128      43      19        3030       0     126       7936        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
         udp_inpcb    488       2      14         120       0     254       7808        0
              kenv    258       3      27        1002       0      30       7740        0
     routing nhops    256      11      19          18       0      62       7680        0
             unpcb    256       7      23        1067       0     254       7680        0
        malloc-384    384       8      12          11       0      30       7680        0
        malloc-384    384       9      11           9       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       0      84           4       0     254       4032        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-32     32       8     118          29       0     254       4032        0
         malloc-32     32       1     125          20       0     254       4032        0
             ripcb    488       1       7           4       0     254       3904        0
       UMA Slabs 1    176       7      15           7       0      62       3872        0
        malloc-384    384       1       9           1       0      30       3840        0
        malloc-384    384       1       9           1       0      30       3840        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      61           2       0     254       2016        0
        SMR SHARED     24       2      61           2       0     254       1512        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2288       0       0           0       0     254          0        0
           sctp_ep   1280       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
    IPsec SA lft_c     16       0       0           0       0     254          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
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    488       0       0           0       0      30          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    592       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
    crypto_session     72       0       0           0       0     126          0        0
           cryptop    280       0       0           0       0      30          0        0
   IOMMU_MAP_ENTRY    120       0       0           0       0     126          0        0
      ktls_session    192       0       0           0       0      62          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      62          0        0
            mdpbuf   2632       0       0           0       0       4          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2020/12/05 22:09 freebsd ab17d4fd801c 50503117 console log report syz C
ci-freebsd-main 2020/12/15 16:57 freebsd dcd0e1b7047a b22a7ec3 console log report
ci-freebsd-main 2020/12/09 10:31 freebsd d56f0ccdf6ba 0cf8cfe9 console log report
ci-freebsd-main 2020/12/05 21:16 freebsd ab17d4fd801c 50503117 console log report
ci-freebsd-main 2020/11/27 13:23 freebsd 219284e64fa7 486f93ef console log report
ci-freebsd-main 2020/11/19 18:01 freebsd 9c3205def665 0767f13f console log report
ci-freebsd-main 2020/11/14 13:20 freebsd e094501d0354 1bf9a662 console log report
ci-freebsd-main 2020/10/30 06:12 freebsd ab87aa442bd4 a0c7169a console log report
* Struck through repros no longer work on HEAD.