syzbot


Fatal trap 9: general protection fault in cpuset_setproc

Status: fixed on 2020/12/09 01:06
Reported-by: syzbot+92dff413e201164c796b@syzkaller.appspotmail.com
Fix commit: b2780e8537da kern: cpuset: resolve race between cpuset_lookup/cpuset_rel
First crash: 792d, last: 792d

Sample crash report:
Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer	= 0x20:0xffffffff80fe0690
stack pointer	        = 0x28:0xfffffe005e9d2990
frame pointer	        = 0x28:0xfffffe005e9d2a80
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		= 836 (syz-executor.0)
trap number		= 9
panic: general protection fault
cpuid = 1
time = 1607331906
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe005e9d2660
vpanic() at vpanic+0x1c7/frame 0xfffffe005e9d26c0
panic() at panic+0x43/frame 0xfffffe005e9d2720
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe005e9d27a0
trap() at trap+0xf7/frame 0xfffffe005e9d28c0
calltrap() at calltrap+0x8/frame 0xfffffe005e9d28c0
--- trap 0x9, rip = 0xffffffff80fe0690, rsp = 0xfffffe005e9d2990, rbp = 0xfffffe005e9d2a80 ---
cpuset_setproc() at cpuset_setproc+0xe0/frame 0xfffffe005e9d2a80
sys_cpuset_setid() at sys_cpuset_setid+0x5c/frame 0xfffffe005e9d2ab0
amd64_syscall() at amd64_syscall+0x247/frame 0xfffffe005e9d2bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe005e9d2bf0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x283aea, rsp = 0x7fffdffdcf08, rbp = 0x7fffdffdcf70 ---
KDB: enter: panic
[ thread pid 836 tid 100171 ]
Stopped at      kdb_enter+0x67: movq    $0,0x1471976(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff818d5eea
rbx                          0
rsp         0xfffffe005e9d2640
rbp         0xfffffe005e9d2660
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe0094e6c310
r12         0xffffffff820671c0  ddb_dbbe
r13                          0
r14         0xffffffff8197df22
r15         0xffffffff8197df22
rip         0xffffffff810ead87  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x1471976(%rip)
db> show proc
Process 836 (syz-executor.0) at 0xfffff8001c728000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 783 at 0xfffff80004e5fa50
 ABI: FreeBSD ELF64
 arguments: /root/syz-executor.0
 reaper: 0xfffff80004454528 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094e6f9f0
   (map 0xfffffe0094e6f9f0)
   (map.pmap 0xfffffe0094e6fab0)
   (pmap 0xfffffe0094e6fb10)
 threads: 3
100167                   Run     CPU 0                       syz-executor.0
100170                   S       uwait   0xfffff8001c2b6080  syz-executor.0
100171                   Run     CPU 1                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  836   783   783     0  R       (threaded)                  syz-executor.0
100167                   Run     CPU 0                       syz-executor.0
100170                   S       uwait   0xfffff8001c2b6080  syz-executor.0
100171                   Run     CPU 1                       syz-executor.0
  816   805   816     0  Ss      select  0xfffff8001c4c5bc0  dhclient
  808     1   808     0  Ss      select  0xfffff8001c2b6d40  dhclient
  805   798   436    65  S       select  0xfffff8001c4c5cc0  dhclient
  798   436   436     0  S       wait    0xfffff8001c47a528  sh
  783   781   783     0  Ss      nanslp  0xffffffff8252fea0  syz-executor.0
  781   779   779     0  S       (threaded)                  syz-execprog
100088                   S       uwait   0xfffff80004e3aa00  syz-execprog
100109                   S       uwait   0xfffff8001c2f5180  syz-execprog
100110                   S       uwait   0xfffff8001c2f5280  syz-execprog
100111                   S       uwait   0xfffff8001c291a00  syz-execprog
100112                   S       kqread  0xfffff8001c34a900  syz-execprog
100113                   S       uwait   0xfffff8001c291000  syz-execprog
100114                   S       uwait   0xfffff8001c291100  syz-execprog
  779   777   779     0  Ss      pause   0xfffff80004f2d5d8  csh
  777   694   777     0  Ss      select  0xfffff8001c2916c0  sshd
  754     1   754     0  Ss+     ttyin   0xfffff80004902cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004bf78b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004bf7cb0  getty
  751     1   751     0  Ss+     ttyin   0xfffff80004bff0b0  getty
  750     1   750     0  Ss+     ttyin   0xfffff80004bff4b0  getty
  749     1   749     0  Ss+     ttyin   0xfffff80004bff8b0  getty
  748     1   748     0  Ss+     ttyin   0xfffff80004bffcb0  getty
  747     1   747     0  Ss+     ttyin   0xfffff80004b620b0  getty
  746     1   746     0  Ss+     ttyin   0xfffff80004b624b0  getty
  744     1    24     0  S+      piperd  0xfffff8001c4268b8  logger
  743   742    24     0  S+      nanslp  0xffffffff8252fea1  sleep
  742     1    24     0  S+      wait    0xfffff80004e9fa50  sh
  698     1   698     0  Ss      nanslp  0xffffffff8252fea0  cron
  694     1   694     0  Ss      select  0xfffff8001c2f5440  sshd
  507     1   507     0  Ss      select  0xfffff8001c2f54c0  syslogd
  436     1   436     0  Ss      wait    0xfffff80004f6c528  devd
  435     1   435    65  Ss      select  0xfffff8001c2f56c0  dhclient
  350     1   350     0  Ss      select  0xfffff8001c2f5740  dhclient
  347     1   347     0  Ss      select  0xfffff80004e7c7c0  dhclient
   23     0     0     0  DL      vlruwt  0xfffff80004be3000  [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]
100086                   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  0xffffffff814f7940  [uma]
   18     0     0     0  DL      -       0xffffffff82364278  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82e16818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82bdd390  [pf purge]
   15     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8261b8dc  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100034                   D       -       0xffffffff8223bfc0  [doneq0]
100067                   D       -       0xffffffff8223be90  [scanner]
    5     0     0     0  DL      crypto_ 0xfffff80004570d90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004570d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82635130  [crypto]
   14     0     0     0  DL      seqstat 0xfffff80004519888  [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       -       0xfffff800044a6300  [thr_0]
100019                   D       -       0xfffff800044a6380  [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    0xfffff80004454528  [init]
   10     0     0     0  DL      audit_w 0xffffffff82635650  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8250fcb0  [swapper]
100005                   D       -       0xfffff800044a3e00  [if_io_tqg_0]
100006                   D       -       0xfffff800044a3d00  [if_io_tqg_1]
100007                   D       -       0xfffff800044a3c00  [if_config_tqg_0]
100008                   D       -       0xfffff800044a3b00  [softirq_0]
100009                   D       -       0xfffff800044a3a00  [softirq_1]
100010                   D       -       0xfffff80004342200  [in6m_free taskq]
100012                   D       -       0xfffff8000449fd00  [kqueue_ctx taskq]
100013                   D       -       0xfffff8000449fb00  [inm_free taskq]
100016                   D       -       0xfffff8000449f500  [aiod_kick taskq]
100017                   D       -       0xfffff8000449f300  [thread taskq]
100024                   D       -       0xfffff800044f3800  [firmware taskq]
100029                   D       -       0xfffff800044f3100  [crypto_0]
100030                   D       -       0xfffff800044f3100  [crypto_1]
100044                   D       -       0xfffff8000456f100  [vtnet0 rxq 0]
100045                   D       -       0xfffff8000456f000  [vtnet0 txq 0]
100046                   D       -       0xfffff800048a3e00  [vtnet0 rxq 1]
100047                   D       -       0xfffff800048a3d00  [vtnet0 txq 1]
100049                   D       vtbslp  0xfffff8000468ea80  [virtio_balloon]
100053                   D       -       0xfffff80004908c00  [mca taskq]
100054                   D       -       0xffffffff81d26671  [deadlkres]
100062                   D       -       0xfffff80004b8fd00  [acpi_task_0]
100063                   D       -       0xfffff80004b8fd00  [acpi_task_1]
100064                   D       -       0xfffff80004b8fd00  [acpi_task_2]
100066                   D       -       0xfffff8000456f900  [CAM taskq]
db> show all locks
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         1714K        29315
              kobj          337         1348K          498
            newblk          416         1128K          486
          vfscache            3         1025K            3
               pcb           22          537K           78
          inodedep           28          523K          118
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          116          232K          901
            acpica         1674          184K        54318
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           13          131K          120
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          102          102K          113
            linker          254           97K          285
               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
          filedesc            5           37K           65
              umtx          288           36K          288
               BPF           19           36K           19
           kdtrace          179           35K         1009
              temp           23           33K         1684
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          121           31K          131
               msg            4           30K            4
              vmem            3           26K            5
        gtaskqueue           18           26K           18
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
         ufs_mount            5           17K            6
              proc            3           17K            3
               tty           16           16K           16
           ithread           99           16K           99
            ifaddr           42           15K           42
            bus-sc           31           14K         1555
            KTRACE          100           13K          100
              kenv           92           12K           92
      eventhandler          125           11K          125
              GEOM           60           10K          489
              rman           82           10K          423
         bmsafemap            4            9K           74
              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
            dirrem           25            7K           52
             ifnet            4            7K            4
            sglist            5            7K            5
           CAM DEV            3            6K          510
           lltable           19            6K           19
              cred           22            6K          249
            kqueue           54            6K          841
       ether_multi           68            6K           78
         CAM queue            5            6K         1528
         taskqueue           48            6K           48
            plimit           19            5K          359
       ufs_dirhash           24            5K           24
         in6_multi           35            5K           35
                vt           11            5K           11
               UMA          254            5K          254
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          routetbl           18            4K           18
          pf_ifnet            7            4K           10
             hhook           13            4K           13
           pwddesc           52            4K          837
          freefile           24            3K           49
           session           23            3K           35
              pgrp           23            3K           35
          terminal           11            3K           11
           acpisem           22            3K           22
         proc-args           44            3K          524
           uidinfo            3            3K            9
             lockf           20            3K           33
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           31            2K         7793
           CAM XPT           22            2K          543
            Unitno           25            2K          121
       ipsecpolicy            2            2K            2
            select           10            2K           34
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            diradd            8            1K           68
          indirdep            4            1K            4
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
            ip6ndp            6            1K            7
          sctp_ifa            7            1K            9
        CAM periph            4            1K          271
             ipsec            3            1K            3
          in_multi            3            1K            5
             nhops            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
 encap_export_host           12            1K           12
            crypto            3            1K            3
              pfil            4            1K            4
           CAM SIM            2            1K            2
              cdev            2            1K            2
          sctp_ifn            3            1K            9
               mld            3            1K            3
              igmp            3            1K            3
    chacha20random            1            1K            1
               tun            4            1K            4
               osd            3            1K            9
            DEVFSP            5            1K            5
             mkdir            2            1K           70
            vnodes            1            1K            1
              ktls            1            1K            1
          procdesc            2            1K            8
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            feeder            7            1K            7
       inpcbpolicy            7            1K          144
        loginclass            3            1K            7
            prison            6            1K            6
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            apmdev            1            1K            1
          atkbddev            2            1K            2
          CAM path            4            1K         1034
          freework            1            1K           50
         newdirblk            1            1K           35
           tcpfunc            2            1K            2
          pmchooks            1            1K            1
          filecaps            5            1K           69
            soname            4            1K         3160
          nexusdev            5            1K            5
          sctp_vrf            1            1K            1
           entropy            2            1K           39
              vnet            1            1K            1
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            5
         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            5
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
            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         1956
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           32
          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
          freeblks            0            0K           49
          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
            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
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
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       80211crypto            0            0K            0
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               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
           VN POLL            0            0K            0
            statfs            0            0K          221
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            4
               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
              nvme            0            0K            0
               nvd            0            0K            0
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               acl            0            0K            0
        MVS driver            0            0K            0
          mbuf_tag            0            0K           46
              accf            0            0K            0
               pts            0            0K            0
               iov            0            0K        13867
          ioctlops            0            0K           87
           Witness            0            0K            0
             stack            0            0K            0
     CAM ccb queue            0            0K            0
          mrsasbuf            0            0K            0
          mpt_user            0            0K            0
              sbuf            0            0K          288
          mps_user            0            0K            0
          firmware            0            0K            0
        compressor            0            0K            0
            MPSSAS            0            0K            0
              SWAP            0            0K            0
               mps            0            0K            0
          mpr_user            0            0K            0
         sysctltmp            0            0K          625
            sysctl            0            0K            1
            MPRSAS            0            0K            0
              ekcd            0            0K            0
            dumper            0            0K            0
          sendfile            0            0K            0
              rctl            0            0K            0
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               LED            0            0K            0
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       Fail Points            0            0K            0
             sigio            0            0K            1
filedesc_to_leader            0            0K            0
               pwd            0            0K            0
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                ix            0            0K            0
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     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
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       tmpfs mount            0            0K            0
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         newnfsmnt            0            0K            0
  newnfsclient_req            0            0K            0
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     NFSCL session            0            0K            0
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NFSCL diroffdiroff            0            0K            0
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        NEWNFSnode            0            0K            0
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     NFSD usrgroup            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
      mbuf_cluster   2048    9278       2        9278       0     254   19005440        0
              pbuf   2632       0     989           0       0       2    2603048        0
       mbuf_packet    256    8193     957       23531       0     254    2342400        0
          BUF TRIE    144     167   13301         528       0      62    1939392        0
        malloc-384    384    4139      11        4141       0      30    1593600        0
       malloc-4096   4096     337       1         498       0       2    1384448        0
        malloc-128    128   10435      43       10737       0     126    1341184        0
       UMA Slabs 0    112    5431       2        5431       0     126     608496        0
         FFS inode   1128     494      24         543       0       8     584304        0
        RADIX NODE    144    2246     159       21789       0      62     346320        0
             VNODE    488     525      59         576       0      30     284992        0
         VM OBJECT    264    1007      58       13665       0      30     281160        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-65536  65536       3       1          11       0       1     262144        0
            THREAD   1792     126      18         171       0       8     258048        0
        256 Bucket   2048     102      18        5673       0       8     245760        0
       malloc-4096   4096      55       4        1423       0       2     241664        0
            DEVCTL   1024       0     212         116       0       0     217088        0
         malloc-16     16   12232     268       12297       0     254     200000        0
         malloc-64     64    3007      80        3037       0     254     197568        0
         UMA Zones    768     226       3         226       0      16     175872        0
        malloc-128    128    1126      83       25316       0     126     154752        0
         malloc-32     32    4531     131        4746       0     254     149184        0
              mbuf    256     395     160        1799       0     254     142080        0
      malloc-65536  65536       0       2          51       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     494      16         543       0      62     130560        0
       malloc-1024   1024     114       6         126       0      16     122880        0
        malloc-256    256     451      29         645       0      62     122880        0
         MAP ENTRY     96    1034     226       40458       0     126     120960        0
          ksiginfo    112      52     992          70       0     126     116928        0
      malloc-16384  16384       3       4          33       0       1     114688        0
       S VFS Cache    104     982     110        1050       0     126     113568        0
         vmem btag     56    1934      70        1934       0     254     112224        0
       malloc-4096   4096      27       0          38       0       2     110592        0
           VMSPACE   2544      29      10         815       0       4      99216        0
       malloc-2048   2048       1      41        1957       0       8      86016        0
              PROC   1320      51      12         836       0       8      83160        0
          UMA Kegs    384     212       1         212       0      30      81792        0
         filedesc0   1072      52      18         837       0       8      75040        0
       malloc-8192   8192       6       3          34       0       1      73728        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         126       0       1      65536        0
             g_bio    408       0     150        5337       0      30      61200        0
        malloc-256    256     185      40         611       0      62      57600        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-2048   2048       9      15         516       0       8      49152        0
        malloc-128    128     309      63         482       0     126      47616        0
        malloc-256    256     140      40         477       0      62      46080        0
         32 Bucket    256      48     132        6471       0      62      46080        0
         malloc-64     64     523     170        1624       0     254      44352        0
        128 Bucket   1024      34       9         555       0      16      44032        0
            clpbuf   2632       0      16          14       0      16      42112        0
             NAMEI   1024       0      40       12495       0      16      40960        0
         malloc-64     64     559      71        9547       0     254      40320        0
        malloc-384    384      84      16         406       0      30      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
            pcpu-8      8    3960     648        3964       0     254      36864        0
        malloc-384    384      27      63         117       0      30      34560        0
        malloc-256    256      31     104         808       0      62      34560        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
         64 Bucket    512      56       8        1321       0      30      32768        0
        malloc-128    128     132      85         204       0     126      27776        0
            socket    944      20       8        1247       0     254      26432        0
       malloc-8192   8192       2       1         102       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
         malloc-64     64     253     125       13793       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128     142      44         495       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
         TURNSTILE    136     145      23         145       0      62      22848        0
       malloc-2048   2048       6       4         262       0       8      20480        0
       malloc-1024   1024      18       2          18       0      16      20480        0
        malloc-128    128     134      21         911       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      62      13         485       0      62      19200        0
              pipe    744      12      13         299       0      16      18600        0
   mbuf_jumbo_page   4096       0       4          10       0     254      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           7       0       2      16384        0
       malloc-1024   1024       6      10         957       0      16      16384        0
       malloc-1024   1024      14       2          14       0      16      16384        0
         malloc-64     64     216      36        1845       0     254      16128        0
          8 Bucket     80      43     157         479       0     126      16000        0
        malloc-256    256      53       7          54       0      62      15360        0
        malloc-256    256      45      15         466       0      62      15360        0
        SLEEPQUEUE     88     145      15         145       0     126      14080        0
       malloc-4096   4096       3       0           4       0       2      12288        0
       malloc-4096   4096       1       2         225       0       2      12288        0
       malloc-2048   2048       3       3          15       0       8      12288        0
       malloc-1024   1024       2      10          42       0      16      12288        0
       malloc-1024   1024       4       8         161       0      16      12288        0
        malloc-512    512       1      23         119       0      30      12288        0
         malloc-32     32     283      95         494       0     254      12096        0
             Files     80      98      52        6809       0     126      12000        0
         udp_inpcb    488       2      22         132       0     254      11712        0
        malloc-384    384      13      17          13       0      30      11520        0
        malloc-256    256      36       9          68       0      62      11520        0
            cpuset    104      10      83         898       0     126       9672        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           5       0       8       8192        0
       malloc-2048   2048       1       3          37       0       8       8192        0
       malloc-2048   2048       4       0           4       0       8       8192        0
       malloc-2048   2048       3       1         194       0       8       8192        0
       malloc-1024   1024       3       5          19       0      16       8192        0
        malloc-512    512       6      10           6       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      19      27          23       0      62       8096        0
          rl_entry     40      35     167          35       0     254       8080        0
             udpcb     32       2     250         132       0     254       8064        0
               PWD     32      13     239         130       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      30      96          52       0     254       8064        0
         malloc-32     32       8     244          29       0     254       8064        0
         malloc-32     32     101     151         137       0     254       8064        0
         malloc-32     32      53     199        1915       0     254       8064        0
         malloc-32     32      59     193         858       0     254       8064        0
         malloc-32     32       2     250          23       0     254       8064        0
         malloc-32     32      30     222        2724       0     254       8064        0
         16 Bucket    144      32      24         190       0      62       8064        0
          4 Bucket     48       6     162          52       0     254       8064        0
          2 Bucket     32      53     199         530       0     254       8064        0
      vtnet_tx_hdr     24       0     334         760       0     254       8016        0
             KNOTE    160       8      42         223       0      62       8000        0
         malloc-16     16      16     484          46       0     254       8000        0
         malloc-16     16      28     472         257       0     254       8000        0
         malloc-16     16      44     456         502       0     254       8000        0
         malloc-16     16     188     312        1352       0     254       8000        0
         malloc-16     16     253     247         256       0     254       8000        0
         malloc-16     16      27     473       24504       0     254       8000        0
        malloc-128    128      16      46          74       0     126       7936        0
        malloc-128    128      48      14        3040       0     126       7936        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
              kenv    258       3      27        1005       0      30       7740        0
     routing nhops    256      16      14          23       0      62       7680        0
             unpcb    256      11      19        1083       0     254       7680        0
        malloc-384    384       8      12           9       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
         domainset     40       1     125         791       0     254       5040        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-1024   1024       2       2           2       0      16       4096        0
        malloc-512    512       1       7           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       0      84           6       0     254       4032        0
         hostcache     96       1      41           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-16     16       8     242           8       0     254       4000        0
             ripcb    488       2       6           5       0     254       3904        0
       UMA Slabs 1    176       8      14           8       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
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2632       0       0           0       0      64          0        0
            mdpbuf   2632       0       0           0       0       3          0        0
           nfspbuf   2632       0       0           0       0      16          0        0
            swwbuf   2632       0       0           0       0       8          0        0
            swrbuf   2632       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-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 (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-freebsd-main 2020/12/07 09:07 freebsd c52fe71eb09e 57072f7b console log report syz
ci-freebsd-main 2020/12/07 08:56 freebsd c52fe71eb09e 57072f7b console log report
* Struck through repros no longer work on HEAD.