syzbot


Fatal trap 12: page fault in memcpy_erms

Status: fixed on 2021/05/12 09:03
Reported-by: syzbot+2c4d670173b8bdb947df@syzkaller.appspotmail.com
Fix commit: 1a04f0156c4e cryptodev: Fix some input validation bugs
First crash: 637d, last: 637d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0xfffffe0094c31000
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff818082ae
stack pointer	        = 0x28:0xfffffe00516e5ef0
frame pointer	        = 0x28:0xfffffe00516e5ef0
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		= 785 (syz-executor7678309)
trap number		= 12
panic: page fault
cpuid = 1
time = 1620705802
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00516e5b50
vpanic() at vpanic+0x1c7/frame 0xfffffe00516e5bb0
panic() at panic+0x43/frame 0xfffffe00516e5c10
trap_fatal() at trap_fatal+0x4cd/frame 0xfffffe00516e5c90
trap_pfault() at trap_pfault+0xd4/frame 0xfffffe00516e5d00
trap() at trap+0x41d/frame 0xfffffe00516e5e20
calltrap() at calltrap+0x8/frame 0xfffffe00516e5e20
--- trap 0xc, rip = 0xffffffff818082ae, rsp = 0xfffffe00516e5ef0, rbp = 0xfffffe00516e5ef0 ---
memcpy_erms() at memcpy_erms+0x2e/frame 0xfffffe00516e5ef0
blake2s_update_ref() at blake2s_update_ref+0x88/frame 0xfffffe00516e5f40
blake2s_xform_update() at blake2s_xform_update+0x24/frame 0xfffffe00516e5f70
swcr_authcompute() at swcr_authcompute+0x1e0/frame 0xfffffe00516e6600
swcr_process() at swcr_process+0x41/frame 0xfffffe00516e6630
crypto_dispatch() at crypto_dispatch+0x12f/frame 0xfffffe00516e6660
crypto_ioctl() at crypto_ioctl+0x2b05/frame 0xfffffe00516e6780
devfs_ioctl() at devfs_ioctl+0x14e/frame 0xfffffe00516e67e0
VOP_IOCTL_APV() at VOP_IOCTL_APV+0x78/frame 0xfffffe00516e6810
vn_ioctl() at vn_ioctl+0x278/frame 0xfffffe00516e6930
devfs_ioctl_f() at devfs_ioctl_f+0x47/frame 0xfffffe00516e6970
kern_ioctl() at kern_ioctl+0x3cd/frame 0xfffffe00516e69e0
sys_ioctl() at sys_ioctl+0x265/frame 0xfffffe00516e6ab0
amd64_syscall() at amd64_syscall+0x247/frame 0xfffffe00516e6bf0
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00516e6bf0
--- syscall (0, FreeBSD ELF64, nosys), rip = 0x2b3d1a, rsp = 0x7fffffffea68, rbp = 0x7fffffffea80 ---
KDB: enter: panic
[ thread pid 785 tid 100091 ]
Stopped at      kdb_enter+0x67: movq    $0,0x163a53e(%rip)
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx                       0x80
rdx         0xffffffff819c28ef
rbx                          0
rsp         0xfffffe00516e5b30
rbp         0xfffffe00516e5b50
rsi                        0x1
rdi                          0
r8                           0
r9          0x8080808080808080
r10         0xfffffe00516e5a20
r11              0x1ffaefff59c
r12         0xffffffff82267ac0  ddb_dbbe
r13                          0
r14         0xffffffff81a73d0d
r15         0xffffffff81a73d0d
rip         0xffffffff8112ec47  kdb_enter+0x67
rflags                    0x86
kdb_enter+0x67: movq    $0,0x163a53e(%rip)
db> show proc
Process 785 (syz-executor7678309) at 0xfffff80004f80000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 783 at 0xfffff80023050a70
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: ./syz-executor767830995
 reaper: 0xfffff8000452a538 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0094c1f9f0
   (map 0xfffffe0094c1f9f0)
   (map.pmap 0xfffffe0094c1fab0)
   (pmap 0xfffffe0094c1fb10)
 threads: 1
100091                   Run     CPU 1                       syz-executor7678309
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
  785   783   783     0  R       CPU 1                       syz-executor7678309
  783   781   783     0  Ss      pause   0xfffff80023050b20  csh
  781   694   781     0  Ss      select  0xfffff800276809c0  sshd
  760     1   760     0  Rs+     CPU 0                       getty
  759     1   759     0  Ss+     ttyin   0xfffff80004ced8b0  getty
  758     1   758     0  Ss+     ttyin   0xfffff80004cedcb0  getty
  757     1   757     0  Ss+     ttyin   0xfffff80004cf40b0  getty
  756     1   756     0  Ss+     ttyin   0xfffff80004cf44b0  getty
  755     1   755     0  Ss+     ttyin   0xfffff80004cf48b0  getty
  754     1   754     0  Ss+     ttyin   0xfffff80004cf4cb0  getty
  753     1   753     0  Ss+     ttyin   0xfffff80004c6e0b0  getty
  752     1   752     0  Ss+     ttyin   0xfffff80004c6e4b0  getty
  750     1    24     0  S+      piperd  0xfffff8002744b2e8  logger
  749   748    24     0  S+      nanslp  0xffffffff8273c8e1  sleep
  748     1    24     0  S+      wait    0xfffff80023011000  sh
  698     1   698     0  Ss      nanslp  0xffffffff8273c8e0  cron
  694     1   694     0  Ss      select  0xfffff80004ffd7c0  sshd
  507     1   507     0  Ds      bo_wwai 0xfffff8002749bbe8  syslogd
  436     1   436     0  Ss      select  0xfffff80004ffda40  devd
  435     1   435    65  Ss      select  0xfffff80004ffd9c0  dhclient
  350     1   350     0  Ss      select  0xfffff80004ffd8c0  dhclient
  347     1   347     0  Ss      select  0xfffff80004f5ea40  dhclient
   23     0     0     0  DL      syncer  0xffffffff8282bd50  [syncer]
   22     0     0     0  DL      vlruwt  0xfffff80004e8da70  [vnlru]
   21     0     0     0  DL      (threaded)                  [bufdaemon]
100081                   D       qsleep  0xffffffff8282ae00  [bufdaemon]
100088                   D       -       0xffffffff8220ae00  [bufspacedaemon-0]
100099                   D       sdflush 0xfffff80023020ce8  [/ worker]
   20     0     0     0  DL      psleep  0xffffffff82852c08  [vmdaemon]
   19     0     0     0  DL      (threaded)                  [pagedaemon]
100079                   D       psleep  0xffffffff82847078  [dom0]
100086                   D       launds  0xffffffff82847084  [laundry: dom0]
100087                   D       umarcl  0xffffffff815c9920  [uma]
   18     0     0     0  DL      -       0xffffffff82570c78  [rand_harvestq]
   17     0     0     0  DL      waiting 0xffffffff82f61828  [sctp_iterator]
   16     0     0     0  DL      pftm    0xffffffff82d793c0  [pf purge]
   15     0     0     0  DL      -       0xffffffff8282845c  [soaiod4]
    9     0     0     0  DL      -       0xffffffff8282845c  [soaiod3]
    8     0     0     0  DL      -       0xffffffff8282845c  [soaiod2]
    7     0     0     0  DL      -       0xffffffff8282845c  [soaiod1]
    6     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff82448140  [doneq0]
100045                   D       -       0xffffffff824480c0  [async]
100078                   D       -       0xffffffff82447f90  [scanner]
   14     0     0     0  DL      seqstat 0xfffff8000463c888  [sequencer 00]
    5     0     0     0  DL      crypto_ 0xfffff8000462ed80  [crypto returns 1]
    4     0     0     0  DL      crypto_ 0xfffff8000462ed30  [crypto returns 0]
    3     0     0     0  DL      crypto_ 0xffffffff828445a0  [crypto]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff8271c120  [g_event]
100036                   D       -       0xffffffff8271c128  [g_up]
100037                   D       -       0xffffffff8271c130  [g_down]
    2     0     0     0  DL      (threaded)                  [KTLS]
100028                   D       -       0xfffff80004574600  [thr_0]
100029                   D       -       0xfffff80004574680  [thr_1]
   12     0     0     0  WL      (threaded)                  [intr]
100011                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100018                   I                                   [swi5: fast taskq]
100030                   I                                   [swi4: clock (0)]
100031                   I                                   [swi4: clock (1)]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi3: vm]
100046                   I                                   [irq24: virtio_pci0]
100047                   I                                   [irq25: virtio_pci0]
100048                   I                                   [irq26: virtio_pci0]
100049                   I                                   [irq27: virtio_pci0]
100050                   I                                   [irq28: virtio_pci1]
100051                   I                                   [irq29: virtio_pci1]
100052                   I                                   [irq30: virtio_pci1]
100053                   I                                   [irq31: virtio_pci1]
100054                   I                                   [irq32: virtio_pci1]
100059                   I                                   [irq10: virtio_pci2]
100061                   I                                   [irq1: atkbd0]
100062                   I                                   [irq12: psm0]
100063                   I                                   [swi0: uart uart++]
100071                   I                                   [swi1: pf send]
100084                   I                                   [swi1: hpts]
100085                   I                                   [swi1: hpts]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffff8000452a538  [init]
   10     0     0     0  DL      audit_w 0xffffffff82844ab0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff8271c6b0  [swapper]
100005                   D       -       0xfffff80004144800  [if_config_tqg_0]
100006                   D       -       0xfffff80004144700  [softirq_0]
100007                   D       -       0xfffff80004144600  [softirq_1]
100008                   D       -       0xfffff80004144500  [if_io_tqg_0]
100009                   D       -       0xfffff80004144400  [if_io_tqg_1]
100010                   D       -       0xfffff8000457a600  [pci_hp taskq]
100012                   D       -       0xfffff8000457a300  [inm_free taskq]
100014                   D       -       0xfffff8000457a000  [linuxkpi_irq_wq]
100015                   D       -       0xfffff80004574e00  [thread taskq]
100016                   D       -       0xfffff80004574d00  [in6m_free taskq]
100017                   D       -       0xfffff80004574c00  [aiod_kick taskq]
100019                   D       -       0xfffff80004574900  [kqueue_ctx taskq]
100020                   D       -       0xfffff80004574800  [linuxkpi_short_wq_0]
100021                   D       -       0xfffff80004574800  [linuxkpi_short_wq_1]
100022                   D       -       0xfffff80004574800  [linuxkpi_short_wq_2]
100023                   D       -       0xfffff80004574800  [linuxkpi_short_wq_3]
100024                   D       -       0xfffff80004574700  [linuxkpi_long_wq_0]
100025                   D       -       0xfffff80004574700  [linuxkpi_long_wq_1]
100026                   D       -       0xfffff80004574700  [linuxkpi_long_wq_2]
100027                   D       -       0xfffff80004574700  [linuxkpi_long_wq_3]
100034                   D       -       0xfffff80004574000  [firmware taskq]
100038                   D       -       0xfffff800045c1d00  [crypto_0]
100039                   D       -       0xfffff800045c1d00  [crypto_1]
100055                   D       -       0xfffff800045c1700  [vtnet0 rxq 0]
100056                   D       -       0xfffff800045c1600  [vtnet0 txq 0]
100057                   D       -       0xfffff800045c1500  [vtnet0 rxq 1]
100058                   D       -       0xfffff800045c1400  [vtnet0 txq 1]
100060                   D       vtbslp  0xfffff80004972100  [virtio_balloon]
100064                   D       -       0xfffff80004973a00  [mca taskq]
100066                   D       -       0xffffffff81e20641  [deadlkres]
100073                   D       -       0xfffff80004c3e700  [acpi_task_0]
100074                   D       -       0xfffff80004c3e700  [acpi_task_1]
100075                   D       -       0xfffff80004c3e700  [acpi_task_2]
100077                   D       -       0xfffff800045c1c00  [CAM taskq]
db> show all locks
Process 785 (syz-executor7678309) thread 0xfffffe0055769020 (100091)
exclusive sleep mutex swcr session lock (swcr session lock) r = 0 (0xfffff80004e8aa48) locked @ /syzkaller/managers/main/kernel/sys/opencrypto/cryptosoft.c:1639
Process 760 (getty) thread 0xfffffe0094b86020 (100114)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffff800049d7c08) locked @ /syzkaller/managers/main/kernel/sys/kern/tty.c:218
Process 507 (syslogd) thread 0xfffffe0055768900 (100092)
exclusive lockmgr ufs (ufs) r = 0 (0xfffff8002749baf0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3516
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            devbuf         4216         4340K         4241
          tcp_hpts            5         3201K            5
         sysctloid        33718         1992K        33785
             vtbuf           24         1968K           46
              kobj          332         1328K          492
            newblk          584         1170K          602
          vfscache            3         1025K            3
               pcb           23          537K           77
          inodedep           50          531K           72
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc           98          204K          838
            acpica         1674          184K        55406
         vnet_data            1          168K            1
           tidhash            3          141K            3
           pagedep           14          132K           18
        tfo_ccache            1          128K            1
               sem            4          106K            4
            DEVFS1          103          103K          112
            linker          294          102K          318
               bus          995           81K         3509
          mtx_pool            2           72K            2
          syncache            1           68K            1
             xform            7           65K           54
          acpitask            1           64K            1
       ddb_capture            1           64K            1
            module          508           64K          508
              umtx          264           33K          264
              temp           18           33K         1605
           kdtrace          164           33K          904
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          122           31K          132
               msg            4           30K            4
        gtaskqueue           18           26K           18
              vmem            3           25K            3
            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
          routetbl           50           11K          176
              rman           84           10K          425
              GEOM           60           10K          489
         bmsafemap            2            9K           39
              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
         taskqueue           60            7K           60
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          234
         CAM queue            5            6K         1528
       ufs_dirhash           24            5K           24
               UMA          265            5K          265
            dirrem           17            5K           28
            plimit           17            5K          322
                vt           11            5K           11
             ifnet            3            5K            3
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
          filedesc            1            4K            1
           acpisem           28            4K           28
             hhook           13            4K           13
       ether_multi           40            4K           50
            diradd           25            4K           36
           lltable           11            4K           11
          pf_ifnet            5            3K            6
       fpukern_ctx            3            3K            3
         in6_multi           25            3K           25
            kqueue           46            3K          788
           pwddesc           46            3K          786
          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
           CAM CCB            1            2K         1743
         proc-args           39            2K          488
            Unitno           27            2K           39
           CAM XPT           22            2K          543
             lockf           15            2K           22
             selfd           22            2K        11325
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
            crypto            7            2K            7
               msi            9            2K            9
             clone            9            2K            9
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K            8
      NFSD session            1            1K            1
        CAM periph            4            1K          271
            select            7            1K           29
             ipsec            3            1K            3
          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
            ip6ndp            4            1K            5
 encap_export_host           12            1K           12
         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
            DEVFSP            5            1K           10
       inpcbpolicy           10            1K          137
               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
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
             linux            5            1K            6
        aesni_data            2            1K            2
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          freefrag            1            1K            8
          CAM path            4            1K         1034
          procdesc            1            1K            6
          pmchooks            1            1K            1
          nexusdev            7            1K            7
            soname            4            1K         3231
          filecaps            4            1K           66
               tun            3            1K            3
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K           35
          acpiintr            1            1K            1
               pmc            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          freework            1            1K           26
          p1003.1b            1            1K            1
            tcp_do            0            0K            0
           tcp_fsb            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K            3
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
         sctp_atky            0            0K            0
         sctp_atcl            0            0K            0
         sctp_a_it            0            0K            3
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
          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
       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
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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
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320     536       13274       0     254   36274176        0
              pbuf   2624       0     973           0       0       2    2553152        0
              mbuf    256    8577     543       15042       0     254    2334720        0
          BUF TRIE    144     176   13292         423       0      62    1939392        0
        malloc-384    384    4116       4        4116       0      30    1582080        0
        malloc-128    128   11051      16       11062       0     126    1416576        0
       malloc-4096   4096     332       1         492       0       2    1363968        0
       UMA Slabs 0    112    9657      24        9657       0     126    1084272        0
         FFS inode   1160     499      19         509       0       8     600880        0
            lkpimm    160       1    2324           1       0      62     372000        0
          lkpicurr    160       2    2323           2       0      62     372000        0
      malloc-65536  65536       5       0           5       0       1     327680        0
        RADIX NODE    144    2061     148       20171       0      62     318096        0
         malloc-64     64    4020      75        5022       0     254     262080        0
         VM OBJECT    264     892      53       12702       0      30     249480        0
             VNODE    448     529      20         541       0      30     245952        0
       malloc-4096   4096      56       3         796       0       2     241664        0
            THREAD   1808     117      15         117       0       8     238656        0
        256 Bucket   2048     100      14        9862       0       8     233472        0
         malloc-16     16   13756     244       13827       0     254     224000        0
            DEVCTL   1024       0     216         116       0       0     221184        0
      malloc-65536  65536       1       2         183       0       1     196608        0
         UMA Zones    768     237       2         237       0      16     183552        0
        malloc-256    256     680      25        1012       0      62     180480        0
        malloc-128    128    1282      51       29050       0     126     170624        0
         malloc-32     32    5219      73        6008       0     254     169344        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2           8       0       1     131072        0
       FFS2 dinode    256     499      11         508       0      62     130560        0
        malloc-128    128     950      42        1928       0     126     126976        0
          ksiginfo    112      36    1008          51       0     126     116928        0
         MAP ENTRY     96     836     382       38044       0     126     116928        0
       malloc-1024   1024     104       8         116       0      16     114688        0
       S VFS Cache    104     966      87        1005       0     126     109512        0
         vmem btag     56    1886      46        1886       0     254     108192        0
       malloc-8192   8192       9       4         138       0       1     106496        0
      malloc-16384  16384       4       2         181       0       1      98304        0
       malloc-2048   2048       3      43        1745       0       8      94208        0
          UMA Kegs    384     222       1         222       0      30      85632        0
            clpbuf   2624       0      32          18       0      16      83968        0
           VMSPACE   2544      23       7         764       0       4      76320        0
             g_bio    408       4     166        4446       0      30      69360        0
              PROC   1336      45       6         785       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-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
        128 Bucket   1024      37      26         597       0      16      64512        0
       malloc-4096   4096      14       1         109       0       2      61440        0
         filedesc0   1072      46      10         786       0       8      60032        0
        malloc-256    256     178      32         754       0      62      53760        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-2048   2048       4      20         511       0       8      49152        0
         malloc-64     64     526     167       14820       0     254      44352        0
        malloc-128    128     294      47         453       0     126      43648        0
        malloc-256    256     140      25         157       0      62      42240        0
         32 Bucket    256      47     118        3629       0      62      42240        0
       malloc-8192   8192       5       0           5       0       1      40960        0
       malloc-8192   8192       3       2           5       0       1      40960        0
           DIRHASH   1024      34       2          34       0      16      36864        0
             NAMEI   1024       0      36       11992       0      16      36864        0
       malloc-4096   4096       7       2         539       0       2      36864        0
        malloc-512    512       4      68         512       0      30      36864        0
            pcpu-8      8    4190     418        4218       0     254      36864        0
        malloc-384    384      69      21         103       0      30      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
           pcpu-64     64     480      32         480       0     254      32768        0
         64 Bucket    512      59       5        1357       0      30      32768        0
         malloc-64     64     487      17         704       0     254      32256        0
        malloc-384    384      68       2          68       0      30      26880        0
        malloc-256    256      83      22         138       0      62      26880        0
            socket    944      18      10        1253       0     254      26432        0
       malloc-1024   1024      11      13        1078       0      16      24576        0
       malloc-1024   1024      18       6          22       0      16      24576        0
            ttyinq    160     135      15         300       0      62      24000        0
        malloc-128    128     118      68         419       0     126      23808        0
           ttyoutq    256      72      18         160       0      62      23040        0
        malloc-384    384      52       8          52       0      30      23040        0
       malloc-4096   4096       3       2         199       0       2      20480        0
       malloc-2048   2048       5       5          82       0       8      20480        0
         malloc-64     64      61     254       11393       0     254      20160        0
          8 Bucket     80      38     212         401       0     126      20000        0
         TURNSTILE    136     133      14         133       0      62      19992        0
       Mountpoints   2752       2       5           2       0       4      19264        0
              pipe    744       7      18         284       0      16      18600        0
        SLEEPQUEUE     88     133      59         133       0     126      16896        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       3       5         268       0       8      16384        0
       malloc-2048   2048       6       2           6       0       8      16384        0
       malloc-1024   1024      12       4          12       0      16      16384        0
       malloc-1024   1024      11       5          11       0      16      16384        0
         malloc-64     64     127     125         155       0     254      16128        0
         malloc-32     32     336     168         434       0     254      16128        0
             tcpcb   1064       3      11           7       0     254      14896        0
       malloc-2048   2048       5       1         196       0       8      12288        0
       malloc-1024   1024       5       7          21       0      16      12288        0
       malloc-1024   1024       8       4           9       0      16      12288        0
        malloc-512    512       3      21         189       0      30      12288        0
         malloc-64     64     115      74        1622       0     254      12096        0
         udp_inpcb    488       6      18         126       0     254      11712        0
              kenv    258      15      30        1049       0      30      11610        0
        malloc-256    256      14      31         102       0      62      11520        0
        malloc-256    256      20      25         617       0      62      11520        0
        malloc-256    256      13      32         396       0      62      11520        0
        malloc-256    256      23      22         295       0      62      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-2048   2048       3       1           3       0       8       8192        0
       malloc-1024   1024       0       8           4       0      16       8192        0
        malloc-512    512       6      10          12       0      30       8192        0
        malloc-512    512       8       8           8       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      29     173          29       0     254       8080        0
             udpcb     32       6     246         126       0     254       8064        0
               PWD     32      10     242         100       0     254       8064        0
         malloc-64     64       8     118           9       0     254       8064        0
         malloc-64     64      25     101         293       0     254       8064        0
         malloc-32     32       6     246          11       0     254       8064        0
         malloc-32     32      37     215         769       0     254       8064        0
         malloc-32     32      70     182        3964       0     254       8064        0
         malloc-32     32      30     222         189       0     254       8064        0
         16 Bucket    144      34      22         203       0      62       8064        0
          4 Bucket     48       6     162          52       0     254       8064        0
          2 Bucket     32      43     209         499       0     254       8064        0
      vtnet_tx_hdr     24       0     334         945       0     254       8016        0
             KNOTE    160       0      50           8       0      62       8000        0
             Files     80      72      28        6501       0     126       8000        0
         malloc-16     16       1     499           4       0     254       8000        0
         malloc-16     16      20     480          59       0     254       8000        0
         malloc-16     16     298     202         504       0     254       8000        0
         malloc-16     16      24     476          25       0     254       8000        0
         malloc-16     16     189     311        1444       0     254       8000        0
         malloc-16     16      26     474       25396       0     254       8000        0
         malloc-16     16      14     486          20       0     254       8000        0
        malloc-128    128       5      57          11       0     126       7936        0
        malloc-128    128      39      23          55       0     126       7936        0
        malloc-128    128      10      52          79       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        1099       0     254       7680        0
       mbuf_packet    256       0      30          93       0     254       7680        0
        malloc-384    384       0      20          19       0      30       7680        0
        malloc-384    384       5      15         352       0      30       7680        0
        malloc-384    384      20       0          20       0      30       7680        0
     FPU_save_area    832       1       8           1       0      16       7488        0
            cpuset    104       7      55           7       0     126       6448        0
 epoch_record pcpu    256       4      12           4       0      62       4096        0
       malloc-4096   4096       0       1           3       0       2       4096        0
       malloc-2048   2048       1       1           1       0       8       4096        0
        malloc-512    512       0       8           2       0      30       4096        0
           pcpu-16     16       7     249           7       0     254       4096        0
        sctp_laddr     48       0      84           4       0     254       4032        0
         hostcache     64       1      62           1       0     254       4032        0
          syncache    168       0      24           5       0     254       4032        0
         malloc-32     32       0     126           2       0     254       4032        0
         malloc-32     32     103      23         227       0     254       4032        0
           cryptop    280       1      13           1       0      30       3920        0
             ripcb    488       1       7           4       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       3      60           3       0     254       2016        0
        SMR SHARED     24       3      60           3       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_rack_pcb    832       0       0           0       0      16          0        0
      tcp_rack_map    112       0       0           0       0     126          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    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
        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
           NCLNODE    584       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
  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-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-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-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          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 2021/05/11 04:05 freebsd-src c55b340f824d ca873091 console log report syz C Fatal trap 12: page fault in memcpy_erms
ci-freebsd-main 2021/05/11 03:51 freebsd-src c55b340f824d ca873091 console log report Fatal trap 12: page fault in memcpy_erms
* Struck through repros no longer work on HEAD.