syzbot


Fatal trap 12: page fault in pmap_kextract (2)

Status: fixed on 2021/04/12 12:51
Reported-by: syzbot+be5d4f4a7a4c295e659a@syzkaller.appspotmail.com
Fix commit: 5e98cae661f3 pf: Ensure that we don't use kif passed to pfi_kkif_attach()
First crash: 666d, last: 665d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
Fatal trap 9: general protection fault in pfi_kkif_purge 12 666d 667d 0/2 closed as dup on 2021/04/13 13:48
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap 12: page fault in pmap_kextract 1 1057d 1057d 0/2 closed as dup on 2020/03/19 16:44

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0xffff804030379868
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff817d16d4
stack pointer	        = 0x28:0xfffffe00517b10b0
frame pointer	        = 0x28:0xfffffe00517b10f0
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		= 787 (syz-executor3171129)
trap number		= 12
panic: page fault
cpuid = 1
time = 1618157896
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00517b0d10
vpanic() at vpanic+0x1c7/frame 0xfffffe00517b0d70
panic() at panic+0x43/frame 0xfffffe00517b0dd0
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe00517b0e50
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe00517b0ec0
trap() at trap+0x41d/frame 0xfffffe00517b0fe0
calltrap() at calltrap+0x8/frame 0xfffffe00517b0fe0
--- trap 0xc, rip = 0xffffffff817d16d4, rsp = 0xfffffe00517b10b0, rbp = 0xfffffe00517b10f0 ---
pmap_kextract() at pmap_kextract+0x304/frame 0xfffffe00517b10f0
uma_dbg_free() at uma_dbg_free+0xc3/frame 0xfffffe00517b1140
uma_zfree_arg() at uma_zfree_arg+0x24e/frame 0xfffffe00517b11c0
pf_kkif_free() at pf_kkif_free+0x25/frame 0xfffffe00517b11e0
pf_ioctl_addrule() at pf_ioctl_addrule+0x30c/frame 0xfffffe00517b1250
pfioctl() at pfioctl+0x4a2b/frame 0xfffffe00517b1780
devfs_ioctl() at devfs_ioctl+0x14e/frame 0xfffffe00517b17e0
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x78/frame 0xfffffe00517b1810
vn_ioctl() at vn_ioctl+0x278/frame 0xfffffe00517b1930
devfs_ioctl_f() at devfs_ioctl_f+0x47/frame 0xfffffe00517b1970
kern_ioctl() at kern_ioctl+0x3cd/frame 0xfffffe00517b19e0
sys_ioctl() at sys_ioctl+0x265/frame 0xfffffe00517b1ab0
amd64_syscall() at amd64_syscall+0x247/frame 0xfffffe00517b1bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00517b1bf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b3eba, rsp = 0x7fffffffea18, rbp = 0x7fffffffea60 ---
KDB: enter: panic
[ thread pid 787 tid 100114 ]
Stopped at      kdb_enter+0x67: movq    $0,0x143ce1e(%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         0xffffffff819b065a
rbx                          0
rsp         0xfffffe00517b0cf0
rbp         0xfffffe00517b0d10
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe00517b0be0
r11              0x1ffaefff59c
r12         0xffffffff82067ac0  ddb_dbbe
r13                          0
r14         0xffffffff81a6085b
r15         0xffffffff81a6085b
rip         0xffffffff8112b2e7  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x143ce1e(%rip)
db> show proc
Process 787 (syz-executor3171129) at 0xfffff800148e7a70:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 785 at 0xfffff80004fab000
 ABI: FreeBSD ELF64
 flag: 0x10000000  flag2: 0
 arguments: ./syz-executor317112983
 reaper: 0xfffff80004458538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe00557de9f0
   (map 0xfffffe00557de9f0)
   (map.pmap 0xfffffe00557deab0)
   (pmap 0xfffffe00557deb10)
 threads: 1
100114                   Run     CPU 1                       syz-executor3171129
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  787   785   783     0  R       CPU 1                       syz-executor3171129
  785   783   783     0  S       nanslp  0xffffffff8253b8a0  syz-executor3171129
  783   781   783     0  Ss      pause   0xfffff80004fab5e8  csh
  781   694   781     0  Ss      select  0xfffff80004f7a6c0  sshd
  760     1   760     0  Ss+     ttyin   0xfffff800048540b0  getty
  759     1   759     0  Ss+     ttyin   0xfffff80004bad8b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004badcb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004bb40b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004bb44b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004bb48b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004bb4cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004b230b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004b234b0  getty
  750     1    24     0  S+      piperd  0xfffff800144255d0  logger
  749   748    24     0  S+      nanslp  0xffffffff8253b8a0  sleep
  748     1    24     0  S+      wait    0xfffff80004e51538  sh
  698     1   698     0  Ss      nanslp  0xffffffff8253b8a0  cron
  694     1   694     0  Ss      select  0xfffff80004f7a9c0  sshd
  507     1   507     0  Ss      select  0xfffff80004f7aac0  syslogd
  436     1   436     0  Ss      select  0xfffff80004f7acc0  devd
  435     1   435    65  Ss      select  0xfffff80004f7aec0  dhclient
  350     1   350     0  Ss      select  0xfffff80004f7abc0  dhclient
  347     1   347     0  Ss      select  0xfffff80004f7af40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8262acd0  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004b94538  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       qsleep  0xffffffff82629d80  [bufdaemon]
100085                   D       -       0xffffffff8200ad80  [bufspacedaemon-0]
100097                   D       sdflush 0xfffff800040868e8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82651bc8  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100078                   D       psleep  0xffffffff82646038  [dom0]
100086                   D       launds  0xffffffff82646044  [laundry: dom0]
100087                   D       umarcl  0xffffffff815b9850  [uma]
   18     0     0     0  DL      -       0xffffffff8236fbe8  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82e6a818  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82b763c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff826273dc  [soaiod4]
    9     0     0     0  DL      -       0xffffffff826273dc  [soaiod3]
    8     0     0     0  DL      -       0xffffffff826273dc  [soaiod2]
    7     0     0     0  DL      -       0xffffffff826273dc  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100043                   D       -       0xffffffff822470c0  [doneq0]
100044                   D       -       0xffffffff82247040  [async]
100077                   D       -       0xffffffff82246f10  [scanner]
   14     0     0     0  DL      seqstat 0xfffff800044f4888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff80004561d90  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff80004561d30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff82643520  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100034                   D       -       0xffffffff8251b0a0  [g_event]
100035                   D       -       0xffffffff8251b0a8  [g_up]
100036                   D       -       0xffffffff8251b0b0  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100027                   D       -       0xfffff800044a4000  [thr_0]
100028                   D       -       0xfffff800044a4080  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100015                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100029                   I                                   [swi3: vm]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   I                                   [swi1: netisr 0]
100045                   I                                   [irq24: virtio_pci0]
100046                   I                                   [irq25: virtio_pci0]
100047                   I                                   [irq26: virtio_pci0]
100048                   I                                   [irq27: virtio_pci0]
100049                   I                                   [irq28: virtio_pci1]
100050                   I                                   [irq29: virtio_pci1]
100051                   I                                   [irq30: virtio_pci1]
100052                   I                                   [irq31: virtio_pci1]
100053                   I                                   [irq32: virtio_pci1]
100058                   I                                   [irq10: virtio_pci2]
100060                   I                                   [irq1: atkbd0]
100061                   I                                   [irq12: psm0]
100062                   I                                   [swi0: uart uart++]
100070                   I                                   [swi1: pf send]
100083                   I                                   [swi1: hpts]
100084                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   Run     CPU 0                       [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff80004458538  [init]
   10     0     0     0  DL      audit_w 0xffffffff82643a40  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8251b630  [swapper]
100005                   D       -       0xfffff8000434ad00  [if_io_tqg_0]
100006                   D       -       0xfffff8000434ac00  [if_io_tqg_1]
100007                   D       -       0xfffff8000434ab00  [if_config_tqg_0]
100008                   D       -       0xfffff8000434aa00  [softirq_0]
100009                   D       -       0xfffff8000434a900  [softirq_1]
100010                   D       -       0xfffff800044a8d00  [kqueue_ctx taskq]
100011                   D       -       0xfffff800044a8b00  [inm_free taskq]
100012                   D       -       0xfffff800044a8900  [linuxkpi_irq_wq]
100014                   D       -       0xfffff800044a8500  [aiod_kick taskq]
100016                   D       -       0xfffff800044a8100  [thread taskq]
100018                   D       -       0xfffff800044a4c00  [in6m_free taskq]
100019                   D       -       0xfffff800044a4a00  [linuxkpi_short_wq_0]
100020                   D       -       0xfffff800044a4a00  [linuxkpi_short_wq_1]
100021                   D       -       0xfffff800044a4a00  [linuxkpi_short_wq_2]
100022                   D       -       0xfffff800044a4a00  [linuxkpi_short_wq_3]
100023                   D       -       0xfffff800044a4500  [linuxkpi_long_wq_0]
100024                   D       -       0xfffff800044a4500  [linuxkpi_long_wq_1]
100025                   D       -       0xfffff800044a4500  [linuxkpi_long_wq_2]
100026                   D       -       0xfffff800044a4500  [linuxkpi_long_wq_3]
100033                   D       -       0xfffff80004497800  [firmware taskq]
100037                   D       -       0xfffff80004497300  [crypto_0]
100038                   D       -       0xfffff80004497300  [crypto_1]
100054                   D       -       0xfffff8000455d200  [vtnet0 rxq 0]
100055                   D       -       0xfffff8000455d100  [vtnet0 txq 0]
100056                   D       -       0xfffff8000455d000  [vtnet0 rxq 1]
100057                   D       -       0xfffff8000486be00  [vtnet0 txq 1]
100059                   D       vtbslp  0xfffff80004336480  [virtio_balloon]
100063                   D       -       0xfffff800048bce00  [mca taskq]
100065                   D       -       0xffffffff81e0c2c0  [deadlkres]
100072                   D       -       0xfffff800044d1500  [acpi_task_0]
100073                   D       -       0xfffff800044d1500  [acpi_task_1]
100074                   D       -       0xfffff800044d1500  [acpi_task_2]
100076                   D       -       0xfffff8000455db00  [CAM taskq]
db> show all locks
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4241
          tcp_hpts            5         3201K            5
             vtbuf           24         1968K           46
         sysctloid        30935         1814K        31002
              kobj          332         1328K          492
            newblk          542         1160K          599
          vfscache            3         1025K            3
               pcb           21          537K           74
          inodedep           27          522K           71
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc           99          208K          840
            acpica         1674          184K        55406
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep            7          130K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          102          102K          111
            linker          287          101K          310
               bus          995           81K         3509
          mtx_pool            2           72K            2
          syncache            1           68K            1
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          507           64K          507
              temp           19           35K         1585
         hostcache            1           32K            1
               shm            1           32K            1
           kdtrace          162           32K          903
            DEVFS3          121           31K          131
               msg            4           30K            4
              umtx          234           30K          234
              vmem            3           26K            4
        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           33           14K         1719
            KTRACE          100           13K          100
              kenv           93           12K           93
      eventhandler          133           12K          133
            ifaddr           30           12K           32
              rman           84           10K          425
              GEOM           60           10K          489
         bmsafemap            2            9K           41
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K            1
               rpc            2            8K            2
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          236            8K          294
            sglist            5            7K            5
           CAM DEV            3            6K          510
         taskqueue           57            6K           57
              cred           21            6K          234
         CAM queue            5            6K         1528
       ufs_dirhash           24            5K           24
               UMA          263            5K          263
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
          ioctlops            1            4K           88
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
          pf_ifnet            6            4K            8
             hhook           13            4K           13
          routetbl           14            4K           14
       ether_multi           40            4K           50
           lltable           11            4K           11
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
            kqueue           47            3K          790
           pwddesc           47            3K          788
          terminal           11            3K           11
           session           20            3K           31
           uidinfo            3            3K            8
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
             selfd           27            2K         9507
         proc-args           39            2K          490
          freefile           13            2K           22
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
               msi            9            2K            9
             clone            9            2K            9
           pf_rule            1            1K            2
           softdep            1            1K            1
            dirrem            4            1K           28
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           10
      NFSD session            1            1K            1
            diradd            7            1K           36
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          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            6
            crypto            4            1K            4
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
      linuxcurrent            3            1K            4
         newdirblk            4            1K            8
             mkdir            4            1K           16
          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           10
          sctp_ifn            2            1K            6
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
               mld            2            1K            2
              igmp            2            1K            2
            vnodes            1            1K            1
              ktls            1            1K            1
            feeder            7            1K            7
       inpcbpolicy            6            1K          126
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
             linux            5            1K            6
        aesni_data            2            1K            2
            DEVFSP            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          freework            1            1K           26
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
          nexusdev            7            1K            7
            soname            4            1K         3210
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           34
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        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
            mqdata            0            0K            0
          pf_table            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
       NFSD string            0            0K            0
       NFSD V4lock            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
      NFSD V4state            0            0K            0
     NFSD srvcache            0            0K            0
       msdosfs_fat            0            0K            0
     msdosfs_mount            0            0K            0
      msdosfs_node            0            0K            0
              iavf            0            0K            0
               ixl            0            0K            0
            DEVFS4            0            0K            0
            DEVFS2            0            0K            0
            gntdev            0            0K            0
       privcmd_dev            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
             axgbe            0            0K            0
        evtchn_dev            0            0K            0
          xenstore            0            0K            0
         ciss_data            0            0K            0
         BACKLIGHT            0            0K            0
               xnb            0            0K            0
              xbbd            0            0K            0
               xbd            0            0K            0
           Balloon            0            0K            0
          sysmouse            0            0K            0
            vtfont            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            qpidrv            0            0K            0
           ath_hal            0            0K            0
            athdev            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
           ata_pci            0            0K            0
           ata_dma            0            0K            0
       ata_generic            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
               amr            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
            xenbus            0            0K            0
            pvscsi            0            0K            0
           scsi_da            0            0K           69
     vm_fictitious            0            0K            0
            ata_da            0            0K            0
           scsi_ch            0            0K            0
           scsi_cd            0            0K            0
       AHCI driver            0            0K            0
            USBdev            0            0K            0
               USB            0            0K            0
               agp            0            0K            0
           nvme_da            0            0K            0
           UMAHash            0            0K            0
           acpipwr            0            0K            0
         acpi_perf            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K           17
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            3
           jsegdep            0            0K            0
              jseg            0            0K            0
         jfreefrag            0            0K            0
          jfreeblk            0            0K            0
           jnewblk            0            0K            0
            jmvref            0            0K            0
           jremref            0            0K            0
           jaddref            0            0K            0
           freedep            0            0K            0
          freeblks            0            0K           25
          freefrag            0            0K            7
        allocindir            0            0K            0
       allocdirect            0            0K            0
          ufs_trim            0            0K            0
           mactemp            0            0K            0
     audit_trigger            0            0K            0
 audit_pipe_presel            0            0K            0
     audit_pipeent            0            0K            0
        audit_pipe            0            0K            0
      audit_evname            0            0K            0
         audit_bsm            0            0K            0
      audit_gidset            0            0K            0
        audit_text            0            0K            0
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        audit_cred            0            0K            0
             xform            0            0K            0
            twsbuf            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
         MLX5E_TLS            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
            MLX5EN            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          MLX5DUMP            0            0K            0
        MLX5EEPROM            0            0K            0
        MLX5EEPROM            0            0K            0
          seq_file            0            0K            0
             radix            0            0K            0
               idr            0            0K            0
            lkpifw            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            0
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      ip6_moptions            0            0K            0
       in6_mfilter            0            0K            0
             frag6            0            0K            0
            tcplog            0            0K            0
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               LRO            0            0K            0
      newreno data            0            0K            0
        ip_msource            0            0K            0
       ip_moptions            0            0K            0
        in_mfilter            0            0K            0
              ipid            0            0K            0
         80211scan            0            0K            0
      80211ratectl            0            0K            0
        80211power            0            0K            0
       80211nodeie            0            0K            0
         80211node            0            0K            0
      80211mesh_gt            0            0K            0
      80211mesh_rt            0            0K            0
         80211perr            0            0K            0
         80211prep            0            0K            0
         80211preq            0            0K            0
          80211dfs            0            0K            0
       80211crypto            0            0K            0
          80211vap            0            0K            0
             iflib            0            0K            0
              vlan            0            0K            0
               gif            0            0K            0
           ifdescr            0            0K            0
              zlib            0            0K            0
           fadvise            0            0K            0
           VN POLL            0            0K            0
      twa_commands            0            0K            0
            statfs            0            0K          196
     namei_tracker            0            0K            0
       export_host            0            0K            0
        cl_savebuf            0            0K            6
       tcp_log_dev            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
         acpicmbat            0            0K            0
       SIIS driver            0            0K            0
           CAM CCB            0            0K         1787
               PUC            0            0K            0
          ppbusdev            0            0K            0
agtiapi_MemAlloc malloc            0            0K            0
    osti_cacheable            0            0K            0
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              aios            0            0K            0
               lio            0            0K            0
               acl            0            0K            0
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          mbuf_tag            0            0K           27
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
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               iov            0            0K        13501
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              SWAP            0            0K            0
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                ix            0            0K            0
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            iirbuf            0            0K            0
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filedesc_to_leader            0            0K            0
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    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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     695       13478       0     254   36925440        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8577     783       15679       0     254    2396160        0
          BUF TRIE    144     169   13299         446       0      62    1939392        0
        malloc-384    384    4116       4        4116       0      30    1582080        0
       malloc-4096   4096     351       1        1053       0       2    1441792        0
        malloc-128    128   10156      43       10501       0     126    1305472        0
       UMA Slabs 0    112    9803      22        9803       0     126    1100400        0
         FFS inode   1160     486      32         510       0       8     600880        0
      malloc-65536  65536       6       0           6       0       1     393216        0
        RADIX NODE    144    2064     145       20209       0      62     318096        0
             VNODE    448     516      33         542       0      30     245952        0
       malloc-4096   4096      57       3         801       0       2     245760        0
         VM OBJECT    264     898      32       12717       0      30     245520        0
        256 Bucket   2048     100      16       10022       0       8     237568        0
         malloc-64     64    3447      81        4449       0     254     225792        0
            DEVCTL   1024       0     216         115       0       0     221184        0
            THREAD   1792     114       3         114       0       8     209664        0
         malloc-16     16   12841     159       12913       0     254     208000        0
      malloc-65536  65536       2       1          10       0       1     196608        0
         UMA Zones    768     235       4         235       0      16     183552        0
        malloc-128    128    1298      35       29042       0     126     170624        0
         malloc-32     32    5172     120        5468       0     254     169344        0
        malloc-256    256     601      29         690       0      62     161280        0
      malloc-65536  65536       0       2         136       0       1     131072        0
      malloc-65536  65536       0       2          42       0       1     131072        0
       FFS2 dinode    256     486      24         508       0      62     130560        0
          ksiginfo    112      34    1010          50       0     126     116928        0
         MAP ENTRY     96     848     370       38054       0     126     116928        0
       malloc-2048   2048       8      48        2558       0       8     114688        0
       malloc-1024   1024     102       6         111       0      16     110592        0
         vmem btag     56    1885      47        1885       0     254     108192        0
       S VFS Cache    104     966      48        1007       0     126     105456        0
       malloc-8192   8192       8       4         137       0       1      98304        0
          UMA Kegs    384     220       3         220       0      30      85632        0
            clpbuf   2624       0      32          20       0      16      83968        0
        malloc-128    128     588      32         721       0     126      79360        0
             g_bio    408       0     170        4604       0      30      69360        0
           VMSPACE   2544      24       3         766       0       4      68688        0
              PROC   1336      46       5         787       0       8      68136        0
      mbuf_cluster   2048      30       2          30       0     254      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         130       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-16384  16384       3       1         173       0       1      65536        0
        128 Bucket   1024      39      20         562       0      16      60416        0
         filedesc0   1072      47       9         788       0       8      60032        0
        malloc-256    256     160      50         908       0      62      53760        0
      malloc-16384  16384       3       0           3       0       1      49152        0
         malloc-64     64     535     158       14785       0     254      44352        0
        malloc-128    128     309      32         313       0     126      43648        0
         32 Bucket    256      44     121        2801       0      62      42240        0
        malloc-256    256     126      24         139       0      62      38400        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       11981       0      16      36864        0
       malloc-1024   1024      32       4          32       0      16      36864        0
        malloc-512    512       2      70         510       0      30      36864        0
            pcpu-8      8    4171     437        4223       0     254      36864        0
         malloc-64     64     495      72         697       0     254      36288        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       1       1           7       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
           pcpu-64     64     479      33         479       0     254      32768        0
         64 Bucket    512      55       9        1303       0      30      32768        0
        malloc-128    128     238      10         745       0     126      31744        0
        malloc-384    384      66      14          83       0      30      30720        0
        malloc-384    384      27      43          72       0      30      26880        0
            socket    944      14      14        1236       0     254      26432        0
       malloc-8192   8192       2       1           4       0       1      24576        0
       malloc-8192   8192       3       0           3       0       1      24576        0
       malloc-1024   1024      11      13         214       0      16      24576        0
         malloc-64     64      54     324        1087       0     254      24192        0
            ttyinq    160     135      15         300       0      62      24000        0
             tcpcb   1048       3      19           7       0     254      23056        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      53       7         399       0      30      23040        0
        malloc-256    256      55      35         593       0      62      23040        0
       malloc-4096   4096       2       3          88       0       2      20480        0
       malloc-4096   4096       3       2         199       0       2      20480        0
         TURNSTILE    136     118      29         118       0      62      19992        0
        malloc-128    128     130      25         614       0     126      19840        0
       Mountpoints   2752       2       5           2       0       4      19264        0
        malloc-256    256      51      24         314       0      62      19200        0
        malloc-256    256      51      24         636       0      62      19200        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-2048   2048       5       3          58       0       8      16384        0
       malloc-1024   1024       7       9         894       0      16      16384        0
          8 Bucket     80      38     162         460       0     126      16000        0
        malloc-256    256      24      36          41       0      62      15360        0
              pipe    744       7      13         284       0      16      14880        0
       malloc-2048   2048       5       1         196       0       8      12288        0
       malloc-2048   2048       5       1          10       0       8      12288        0
       malloc-1024   1024       7       5          27       0      16      12288        0
       malloc-1024   1024       9       3          10       0      16      12288        0
        malloc-512    512       5      19         190       0      30      12288        0
         malloc-64     64      63     126        9543       0     254      12096        0
         udp_inpcb    488       2      22         116       0     254      11712        0
              kenv    258      15      30        1049       0      30      11610        0
        malloc-384    384      22       8          24       0      30      11520        0
        SLEEPQUEUE     88     118      10         118       0     126      11264        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
       malloc-2048   2048       2       2           2       0       8       8192        0
        malloc-512    512       8       8           8       0      30       8192        0
        malloc-512    512       3      13           3       0      30       8192        0
           rtentry    176      13      33          17       0      62       8096        0
              PGRP     88      20      72          31       0     126       8096        0
          rl_entry     40      26     176          26       0     254       8080        0
        sctp_laddr     48       0     168           4       0     254       8064        0
             udpcb     32       2     250         116       0     254       8064        0
               PWD     32      10     242         100       0     254       8064        0
         malloc-64     64     104      22         121       0     254       8064        0
         malloc-64     64      78      48         874       0     254       8064        0
         malloc-32     32      18     234          47       0     254       8064        0
         malloc-32     32      78     174          91       0     254       8064        0
         malloc-32     32      28     224          52       0     254       8064        0
         malloc-32     32      53     199         852       0     254       8064        0
         malloc-32     32      49     203        2699       0     254       8064        0
         malloc-32     32       7     245        1834       0     254       8064        0
         16 Bucket    144      32      24         200       0      62       8064        0
          4 Bucket     48       6     162          46       0     254       8064        0
          2 Bucket     32      44     208         500       0     254       8064        0
      vtnet_tx_hdr     24       0     334        1379       0     254       8016        0
             KNOTE    160       0      50           3       0      62       8000        0
             Files     80      70      30        6492       0     126       8000        0
         malloc-16     16       0     500           3       0     254       8000        0
         malloc-16     16      28     472         143       0     254       8000        0
         malloc-16     16     288     212         482       0     254       8000        0
         malloc-16     16      12     488          12       0     254       8000        0
         malloc-16     16     191     309        1323       0     254       8000        0
         malloc-16     16      15     485       25375       0     254       8000        0
         malloc-16     16      16     484          72       0     254       8000        0
        malloc-128    128      22      40          30       0     126       7936        0
        malloc-128    128      35      27          66       0     126       7936        0
         tcp_inpcb    488       3      13           7       0     254       7808        0
     routing nhops    256      10      20          17       0      62       7680        0
             unpcb    256       7      23        1093       0     254       7680        0
       mbuf_packet    256       0      30          94       0     254       7680        0
        malloc-384    384      20       0          20       0      30       7680        0
        malloc-256    256      12      18          70       0      62       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-4096   4096       0       1           1       0       2       4096        0
       malloc-4096   4096       0       1           2       0       2       4096        0
       malloc-4096   4096       1       0           1       0       2       4096        0
       malloc-2048   2048       2       0           2       0       8       4096        0
        malloc-512    512       1       7           1       0      30       4096        0
        malloc-512    512       2       6           3       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-64     64       1      62           3       0     254       4032        0
         malloc-32     32      32      94         157       0     254       4032        0
         hostcache     80       1      49           1       0     254       4000        0
             ripcb    488       1       7           3       0     254       3904        0
       UMA Slabs 1    176       8      14           8       0      62       3872        0
        malloc-384    384       1       9           2       0      30       3840        0
            mqnode    416       3       6           3       0      30       3744        0
        KMAP ENTRY     96      12      27          12       0       0       3744        0
              vmem   1856       1       1           1       0       8       3712        0
           SMR CPU     32       2      29           2       0     254        992        0
        SMR SHARED     24       2      29           2       0     254        744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
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
      tcp_rack_pcb    704       0       0           0       0      16          0        0
      tcp_rack_map    120       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    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
           NCLNODE    584       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
     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
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     24       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          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   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       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-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          0        0
       malloc-2048   2048       0       0           0       0       8          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       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 2021/04/11 16:20 freebsd-src a212f56d10d0 bfeda1b1 console log report syz C Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/12 10:51 freebsd-src d647d0d4f78f bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/12 00:26 freebsd-src d647d0d4f78f bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/11 21:14 freebsd-src a212f56d10d0 bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/11 20:46 freebsd-src a212f56d10d0 bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/11 18:30 freebsd-src a212f56d10d0 bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/11 16:06 freebsd-src a212f56d10d0 bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
ci-freebsd-main 2021/04/11 16:05 freebsd-src a212f56d10d0 bfeda1b1 console log report Fatal trap 12: page fault in pmap_kextract
* Struck through repros no longer work on HEAD.