syzbot


Fatal trap NUM: page fault in nd6_dad_timer (3)

Status: auto-obsoleted due to no activity on 2022/11/17 02:16
Reported-by: syzbot+368db3fe6962d08822c5@syzkaller.appspotmail.com
First crash: 745d, last: 649d
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap NUM: page fault in nd6_dad_timer 1 981d 981d 0/2 auto-closed as invalid on 2021/12/19 18:58
freebsd Fatal trap NUM: page fault in nd6_dad_timer (2) 1 839d 839d 0/2 auto-closed as invalid on 2022/05/10 14:39
freebsd Fatal trap NUM: page fault in nd6_dad_timer (5) 2 299d 370d 0/2 auto-obsoleted due to no activity on 2023/11/02 07:26
freebsd Fatal trap NUM: page fault in nd6_dad_timer (4) 2 483d 544d 0/2 auto-obsoleted due to no activity on 2023/05/02 09:23
freebsd Fatal trap NUM: page fault in nd6_dad_timer (6) syz 7 23d 184d 0/2 upstream: reported syz repro on 2023/11/27 00:20

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x10
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81b8b2e9
stack pointer	        = 0x28:0xfffffe0053aacae0

frame pointer	        = 0x28:0xfffffe0053aaccb0
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		= 2 (clock (0))
trap number		= 12
panic: page fault
cpuid = 1
time = 1660875307
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe0053aac2d0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe0053aac430
vpanic() at vpanic+0x254/frame 0xfffffe0053aac510
panic() at panic+0xb5/frame 0xfffffe0053aac5d0
trap_fatal() at trap_fatal+0x6bd/frame 0xfffffe0053aac6f0
trap_pfault() at trap_pfault+0x182/frame 0xfffffe0053aac830
trap() at trap+0x5b3/frame 0xfffffe0053aaca10
calltrap() at calltrap+0x8/frame 0xfffffe0053aaca10
--- trap 0xc, rip = 0xffffffff81b8b2e9, rsp = 0xfffffe0053aacae0, rbp = 0xfffffe0053aaccb0 ---
nd6_dad_timer() at nd6_dad_timer+0x199/frame 0xfffffe0053aaccb0
softclock_call_cc() at softclock_call_cc+0x3d7/frame 0xfffffe0053aace80
softclock_thread() at softclock_thread+0x1ff/frame 0xfffffe0053aacef0
fork_exit() at fork_exit+0xd0/frame 0xfffffe0053aacf30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053aacf30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 2 tid 100030 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x276418a(%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         0xfffffe00033eee30
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe0053aac410
rbp         0xfffffe0053aac430
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe0058c10520
r12                          0
r13         0xfffffe0053ea8c80
r14         0xffffffff82b6b160  .str.26
r15         0xffffffff82b6b160  .str.26
rip         0xffffffff8171e08b  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x276418a(%rip)
db> show proc
Process 2 (clock) at 0xfffffe0053de9000:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83e25820
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83e25820 reapsubtree: 2
 sigparent: 20
 vmspace: 0xffffffff83e267c0
   (map 0xffffffff83e267c0)
   (map.pmap 0xffffffff83e26880)
   (pmap 0xffffffff83e268f0)
 threads: 2
100030                   Run     CPU 1                       [clock (0)]
100031                   I                                   [clock (1)]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
14359     1 14359     0  Ss      select  0xfffffe0097b4b640  dhclient
14352 14337   430     0  S       nanslp  0xffffffff83e4f980  dhclient
14337   430   430     0  S       wait    0xfffffe0097a7c548  sh
11282     0     0     0  DL      -       0xffffffff83f6f580  [soaiod4]
11281     0     0     0  DL      -       0xffffffff83f6f580  [soaiod3]
11280     0     0     0  DL      -       0xffffffff83f6f580  [soaiod2]
11279     0     0     0  DL      -       0xffffffff83f6f580  [soaiod1]
 1724     1  1724    65  Ss      select  0xfffffe0097b4c6c0  dhclient
  838     1   838     0  Ss      select  0xfffffe0097a3d6c0  dhclient
  835     1   835     0  Ss      select  0xfffffe009236f9c0  dhclient
  820     0     0     0  DL      aiordy  0xfffffe0092bf7a90  [aiod4]
  819     0     0     0  DL      aiordy  0xfffffe0092bf8000  [aiod3]
  818     0     0     0  DL      aiordy  0xfffffe0092bf8548  [aiod2]
  817     0     0     0  DL      aiordy  0xfffffe0058c7ba90  [aiod1]
  776   774   776     0  Ss      piperd  0xfffffe0058b9a000  syz-executor.0
  774   772   772     0  S       (threaded)                  syz-fuzzer
100092                   S       uwait   0xfffffe0058a13b80  syz-fuzzer
100116                   S       uwait   0xfffffe0058b3b480  syz-fuzzer
100117                   S       uwait   0xfffffe0058b3b580  syz-fuzzer
100118                   S       wait    0xfffffe0058c7d548  syz-fuzzer
100119                   S       uwait   0xfffffe0092370d80  syz-fuzzer
100120                   S       uwait   0xfffffe0058b3b780  syz-fuzzer
100121                   S       uwait   0xfffffe0092371b80  syz-fuzzer
100122                   S       uwait   0xfffffe0092370780  syz-fuzzer
100123                   S       uwait   0xfffffe0092370680  syz-fuzzer
100124                   S       uwait   0xfffffe0092370980  syz-fuzzer
100125                   S       kqread  0xfffffe000817f400  syz-fuzzer
100170                   S       uwait   0xfffffe0097a3dd80  syz-fuzzer
105614                   S       uwait   0xfffffe0058b3a800  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffffe0058dedb40  csh
  770   688   770     0  Ss      select  0xfffffe00923705c0  sshd
  754     1   754     0  Rs+     CPU 0                       getty
  753     1   753     0  Ss+     ttyin   0xfffffe0057952cb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe00579530b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe00579534b0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00579538b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe00574748b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0057474cb0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0057953cb0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00579540b0  getty
  692     1   692     0  Ss      nanslp  0xffffffff83e4f981  cron
  688     1   688     0  Ss      select  0xfffffe0092370840  sshd
  501     1   501     0  Ss      select  0xfffffe00923708c0  syslogd
  430     1   430     0  Ss      wait    0xfffffe0058c7b548  devd
  429     1   429    65  Ss      select  0xfffffe0058b3b940  dhclient
  344     1   344     0  Ss      select  0xfffffe0058b3b840  dhclient
  341     1   341     0  Ss      select  0xfffffe0058b3b8c0  dhclient
   17     0     0     0  DL      vlruwt  0xfffffe0056f9e548  [vnlru]
   16     0     0     0  DL      syncer  0xffffffff83f74f20  [syncer]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83f73520  [bufdaemon]
100082                   D       -       0xffffffff83212100  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe0056f638e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83fa6f00  [vmdaemon]
    8     0     0     0  RL      (threaded)                  [pagedaemon]
100077                   RunQ                                [dom0]
100080                   D       launds  0xffffffff83f9adc4  [laundry: dom0]
100081                   D       umarcl  0xffffffff81e5aca0  [uma]
    7     0     0     0  DL      -       0xffffffff83c0be08  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84a24550  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff847aa640  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83aae340  [doneq0]
100045                   D       -       0xffffffff83aae2c0  [async]
100076                   D       -       0xffffffff83aae140  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0053fb4088  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff83f965a0  [crypto]
100041                   D       crypto_ 0xfffffe0053c8ee30  [crypto returns 0]
100042                   D       crypto_ 0xfffffe0053c8ee80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff83e24e00  [g_event]
100036                   D       -       0xffffffff83e24e20  [g_up]
100037                   D       -       0xffffffff83e24e40  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100030                   Run     CPU 1                       [clock (0)]
100031                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100019                   I                                   [swi6: task queue]
100029                   I                                   [swi1: netisr 0]
100032                   I                                   [swi1: hpts]
100033                   I                                   [swi1: hpts]
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                                   [irq33: virtio_pci2]
100060                   I                                   [irq34: virtio_pci2]
100061                   I                                   [irq35: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0053dea000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f97080  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e25820  [swapper]
100005                   D       -       0xfffffe0008181d00  [if_config_tqg_0]
100006                   D       -       0xfffffe0008181c00  [softirq_0]
100007                   D       -       0xfffffe0008181b00  [softirq_1]
100008                   D       -       0xfffffe0008181a00  [if_io_tqg_0]
100009                   D       -       0xfffffe0008181900  [if_io_tqg_1]
100010                   D       -       0xfffffe0008181800  [in6m_free taskq]
100011                   D       -       0xfffffe0008181700  [linuxkpi_irq_wq]
100012                   D       -       0xfffffe0008181600  [aiod_kick taskq]
100013                   D       -       0xfffffe0008181500  [deferred_unmount ta]
100015                   D       -       0xfffffe0008181300  [thread taskq]
100017                   D       -       0xfffffe0008181100  [kqueue_ctx taskq]
100018                   D       -       0xfffffe0008181000  [pci_hp taskq]
100020                   D       -       0xfffffe0008180d00  [inm_free taskq]
100021                   D       -       0xfffffe0008180c00  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0008180c00  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0008180c00  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0008180c00  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0008180b00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0008180b00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0008180b00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0008180b00  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe0008180a00  [firmware taskq]
100038                   D       -       0xfffffe0008180900  [crypto_0]
100039                   D       -       0xfffffe0008180900  [crypto_1]
100055                   D       -       0xfffffe0008180500  [vtnet0 rxq 0]
100056                   D       -       0xfffffe0008180400  [vtnet0 txq 0]
100057                   D       -       0xfffffe0008180300  [vtnet0 rxq 1]
100058                   D       -       0xfffffe0008180200  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0056f54e80  [virtio_balloon]
100066                   D       -       0xffffffff82b71161  [deadlkres]
100071                   D       -       0xfffffe0008182100  [mca taskq]
100072                   D       -       0xfffffe00579d8000  [acpi_task_0]
100073                   D       -       0xfffffe00579d8000  [acpi_task_1]
100074                   D       -       0xfffffe00579d8000  [acpi_task_2]
100075                   D       -       0xfffffe0008180600  [CAM taskq]
db> show all locks
Process 754 (getty) thread 0xfffffe0092685900 (100114)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffffe0057475c08) locked @ /syzkaller/managers/main/kernel/sys/kern/tty.c:218
Process 2 (clock) thread 0xfffffe0053ea8c80 (100030)
exclusive rw nd6 DAD queue (nd6 DAD queue) r = 0 (0xfffffe0053c67f00) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_rwlock.c:178
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4217         4323K         4245
         sysctloid        35205         2074K        35276
             vtbuf           24         1968K           46
              kobj          329         1316K          491
            newblk           12         1027K        13274
          vfscache            3         1025K            3
          inodedep          168          575K        12921
               pcb           20          537K         2193
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            3          274K            6
           subproc          134          239K        14526
            acpica         1674          184K        57585
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          358          134K          386
           pagedep            5          129K        12763
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          321
               sem            4          106K            4
          routetbl         2790           96K         9217
               bus          997           81K         5212
          mtx_pool            2           72K            2
          syncache            1           68K            1
            module          515           65K          515
          acpitask            1           64K            1
       ddb_capture            1           64K            1
              umtx          374           47K          374
           kdtrace          213           44K        27915
            dirrem          146           37K        12829
               BPF           22           36K          159
              temp           34           33K         7014
            DEVFS3          128           32K          203
         hostcache            1           32K            1
               shm            1           32K            1
               msg            4           30K            4
        gtaskqueue           18           26K           18
          filedesc            4           25K        26224
            kbdmux            6           22K            6
        DEVFS_RULE           56           20K           56
            ifaddr           63           17K          667
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1682
             ifnet            8           15K           72
            KTRACE          100           13K          100
      eventhandler          151           13K          151
          freefile           94           12K        12759
              kenv           95           12K           95
              rman           88           11K          431
              GEOM           61           11K          481
       ether_multi          128           11K         2069
         CAM queue            5           11K         1528
           lltable           33           10K          567
         bmsafemap            2            9K        12874
              UART           12            9K           12
           devstat            4            9K            4
         in6_multi           54            9K          751
              ksem            1            8K           24
               rpc            2            8K            2
             shmfd            1            8K          630
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
              cred           23            6K          716
            kqueue           54            6K        14517
            plimit           19            5K          999
       ufs_dirhash           24            5K           24
               UMA          271            5K          271
          pf_ifnet           10            5K          344
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
             hhook           15            4K           17
           pwddesc           52            4K        14360
             lockf           29            4K          105
           session           24            3K          132
          terminal           11            3K           11
         proc-args           70            3K        17932
          freework           10            3K        12769
          freeblks            9            3K        12768
           uidinfo            3            3K          147
             selfd           35            3K       189359
            ip6ndp           13            3K          150
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            Unitno           29            2K          437
           CAM XPT           22            2K          543
               msi           12            2K           12
            select           12            2K           96
            DEVFSP           20            2K         1200
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
             clone            9            2K            9
               tun            7            2K           72
          sctp_ifa            8            1K          148
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           32
      NFSD session            1            1K            1
             nhops            6            1K           31
        CAM periph            4            1K          271
          kcovinfo           13            1K          897
             ipsec            3            1K            3
               mld            6            1K           71
          in_multi            3            1K           76
              igmp            6            1K           71
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            crypto            4            1K            4
 encap_export_host           12            1K           12
          sctp_ifn            4            1K          148
              pfil            4            1K            4
              cdev            2            1K            2
               osd            8            1K         5872
       inpcbpolicy           12            1K         8171
    chacha20random            1            1K            1
          procdesc            3            1K           36
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
             mkdir            2            1K        25482
            diradd            2            1K        12858
            CC Mem            4            1K         5875
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K           42
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
         newdirblk            1            1K        12741
          freefrag            1            1K            8
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
               aio            4            1K          110
          pmchooks            1            1K            1
            soname            4            1K         5763
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K          114
               pmc            1            1K            1
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K          174
          p1003.1b            1            1K            1
           filemon            0            0K          206
            tcp_do            0            0K            0
           tcp_fsb            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
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K          172
         sctp_iter            0            0K          251
         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          644
         sctp_atky            0            0K          644
         sctp_atcl            0            0K          644
         sctp_a_it            0            0K          251
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            mqdata            0            0K            0
   NFSCL layrecall            0            0K            0
     NFSCL session            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSCL sockreq            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
               ixl            0            0K            0
      NFSCL layout            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
               ice            0            0K            0
              iavf            0            0K            0
             axgbe            0            0K            0
      NFSCL client            0            0K            0
       NFSCL deleg            0            0K            0
        NFSCL open            0            0K            0
       NFSCL owner            0            0K            0
            NFS fh            0            0K            0
           NFS req            0            0K            0
     NFSD usrgroup            0            0K            0
       NFSD string            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       29153       0     254   38494208        0
              mbuf    256    8600    1063       94801       0     254    2473728        0
              pbuf   2624       0     794           0       0       2    2083456        0
          BUF TRIE    144     180   11580         990       0      62    1693440        0
        malloc-128    128   12515     226       13718       0     126    1630848        0
        malloc-384    384    4156      44        4157       0      30    1612800        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
       malloc-4096   4096     329       3         495       0       2    1359872        0
       UMA Slabs 0    112   11047      35       11047       0     126    1241184        0
        malloc-384    384     167    2593       12920       0      30    1059840        0
         vmem btag     56   18121     134       18142       0     254    1022280        0
        RADIX NODE    144    4356    1911      351348       0      62     902448        0
            DEVCTL   1024     696     100         967       0       0     815104        0
        malloc-256    256     365    2680       27592       0      62     779520        0
         FFS inode   1160     573      57       13332       0       8     730800        0
           sctp_ep   1208       0     510         644       0     254     616080        0
        malloc-256    256     164    2206       13533       0      62     606720        0
         VM OBJECT    264    1718     502      324060       0      30     586080        0
             tcpcb   1104       4     507        5861       0     254     564144        0
            socket    960      28     480       10873       0     254     487680        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
        malloc-128    128     168    2746       17737       0     126     372992        0
        256 Bucket   2048     160      16        1256       0       8     360448        0
            THREAD   1824     160      27       13554       0       8     341088        0
         MAP ENTRY     96    1984    1544      836691       0     126     338688        0
             VNODE    448     612     108       13438       0      30     322560        0
       malloc-4096   4096      52      18       14360       0       2     286720        0
         malloc-64     64    3931     416       19091       0     254     278208        0
      malloc-65536  65536       4       0           4       0       1     262144        0
       malloc-2048   2048       6     122        1229       0       8     262144        0
         malloc-16     16   14573     427       20842       0     254     240000        0
           tcp_log    416       0     513          31       0     254     213408        0
      malloc-16384  16384       2      11       13078       0       1     212992        0
      malloc-65536  65536       1       2         323       0       1     196608        0
      malloc-65536  65536       2       1          10       0       1     196608        0
       mbuf_packet    256       6     756       12298       0     254     195072        0
         malloc-32     32    5320     602       18808       0     254     189504        0
         UMA Zones    768     243       1         243       0      16     187392        0
     FPU_save_area    832     162      54       15259       0      16     179712        0
        malloc-128    128    1136     259       27069       0     126     178560        0
       FFS2 dinode    256     573     117       13332       0      62     176640        0
       malloc-2048   2048       1      79         645       0       8     163840        0
        malloc-256    256      47     583       13838       0      62     161280        0
       malloc-1024   1024     123      21         336       0      16     147456        0
       S VFS Cache    104    1012     392       15033       0     126     146016        0
           VMSPACE   2560      27      27       14336       0       4     138240        0
        128 Bucket   1024      89      42        1671       0      16     134144        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         136       0       1     131072        0
             unpcb    256      14     496        1872       0     254     130560        0
         64 Bucket    512     196      36       27245       0      30     118784        0
          ksiginfo    112      71     973        1899       0     126     116928        0
       malloc-8192   8192       7       7         216       0       1     114688        0
       malloc-4096   4096      15      13          51       0       2     114688        0
              PROC   1352      51      30       14359       0       8     109512        0
         malloc-32     32    2800     350        4505       0     254     100800        0
         32 Bucket    256     197     178       23330       0      62      96000        0
       malloc-4096   4096      15       7          95       0       2      90112        0
         filedesc0   1072      52      32       14360       0       8      90048        0
          UMA Kegs    384     229       4         229       0      30      89472        0
              pipe    728      11     110        1676       0      16      88088        0
             g_bio    408       0     210        7719       0      30      85680        0
        malloc-128    128     322     329       39224       0     126      83328        0
         tcp_inpcb    424       4     176        5861       0      30      76320        0
         malloc-64     64     517     554        7464       0     254      68544        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
       malloc-2048   2048      14      18          78       0       8      65536        0
        malloc-256    256      80     175       40589       0      62      65280        0
             ripcb    424       2     124        1111       0      30      53424        0
     udplite_inpcb    424       0     126         312       0      30      53424        0
         udp_inpcb    424       6     120         887       0      30      53424        0
         malloc-64     64     283     536       25025       0     254      52416        0
         malloc-64     64     203     616      205586       0     254      52416        0
         malloc-64     64     475     344        1583       0     254      52416        0
             Files     80     123     527       44453       0     126      52000        0
        malloc-128    128     135     268       13011       0     126      51584        0
        malloc-128    128     181     222         679       0     126      51584        0
        malloc-256    256      67     128         396       0      62      49920        0
        malloc-256    256      87     108        1880       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       84856       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
      malloc-16384  16384       2       1          17       0       1      49152        0
       malloc-2048   2048       4      20         771       0       8      49152        0
        malloc-384    384       1     119         645       0      30      46080        0
            da_ccb    544       0      84        2034       0      16      45696        0
            pcpu-8      8    4628    1004       15518       0     254      45056        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16          21       0      16      41984        0
       malloc-8192   8192       5       0           5       0       1      40960        0
             AIOCB    552       0      70       17675       0      16      38640        0
       Mountpoints   2752       2      12           2       0       4      38528        0
         malloc-64     64      38     529        3195       0     254      36288        0
         malloc-64     64      56     511       14464       0     254      36288        0
         malloc-64     64      61     506         345       0     254      36288        0
        malloc-128    128      43     236         308       0     126      35712        0
        malloc-128    128      36     243        3472       0     126      35712        0
     routing nhops    256      16     119         301       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      52      38          52       0      30      34560        0
        malloc-384    384      24      66         513       0      30      34560        0
        malloc-384    384      83       7          83       0      30      34560        0
        malloc-256    256       1     134          11       0      62      34560        0
        malloc-256    256      23     112       14632       0      62      34560        0
         TURNSTILE    136     188      64         188       0      62      34272        0
        SLEEPQUEUE     88     188     196         188       0     126      33792        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         160       0       1      32768        0
       malloc-8192   8192       3       1          29       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       2       6         132       0       2      32768        0
       malloc-4096   4096       4       4         627       0       2      32768        0
       malloc-4096   4096       1       7       12885       0       2      32768        0
       malloc-2048   2048       2      14          14       0       8      32768        0
       malloc-2048   2048       0      16         190       0       8      32768        0
       malloc-2048   2048       4      12           4       0       8      32768        0
       malloc-1024   1024       2      30          45       0      16      32768        0
       malloc-1024   1024       5      27        3844       0      16      32768        0
       malloc-1024   1024       6      26         184       0      16      32768        0
       malloc-1024   1024      14      18          14       0      16      32768        0
       malloc-1024   1024      19      13          19       0      16      32768        0
       malloc-1024   1024       2      30         652       0      16      32768        0
        malloc-512    512       1      63         119       0      30      32768        0
        malloc-512    512       5      59          23       0      30      32768        0
        malloc-512    512       0      64          18       0      30      32768        0
        malloc-512    512       5      59          84       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
           pcpu-64     64     493      19         493       0     254      32768        0
    ertt_txseginfo     40       0     808       19340       0     254      32320        0
             KNOTE    160      10     190       87638       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
   tcp_log_id_node    120       0     264          98       0     126      31680        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588         285       0     254      28224        0
               PWD     32      13     869       12848       0     254      28224        0
         16 Bucket    144      65     131         346       0      62      28224        0
          4 Bucket     48      10     578         359       0     254      28224        0
               AIO    208       0     133        4813       0      62      27664        0
       malloc-8192   8192       2       1         103       0       1      24576        0
 tcp_log_id_bucket    176       0     138          13       0      62      24288        0
              PGRP     88      24     252         317       0     126      24288        0
          rl_entry     40      61     545          61       0     254      24240        0
           rtentry    168      19     125         301       0      62      24192        0
          8 Bucket     80      70     230        2164       0     126      24000        0
            itimer    352       0      66          84       0      30      23232        0
        malloc-384    384       3      57         674       0      30      23040        0
        malloc-384    384      20      40         481       0      30      23040        0
         hostcache     64       1     314           1       0     254      20160        0
             udpcb     32       6     624        1199       0     254      20160        0
   udp_inpcb ports     32       3     627          33       0     254      20160        0
   tcp_inpcb ports     32       2     628          25       0     254      20160        0
              ertt     72       4     276        5861       0     126      20160        0
         malloc-32     32     248     382        1115       0     254      20160        0
         malloc-32     32     129     501         947       0     254      20160        0
         malloc-32     32      59     571        1038       0     254      20160        0
         malloc-32     32      26     604         923       0     254      20160        0
         malloc-32     32      78     552        9754       0     254      20160        0
         malloc-32     32      37     593        2805       0     254      20160        0
          2 Bucket     32      75     555        1584       0     254      20160        0
       L VFS Cache    320       0      60          36       0      30      19200        0
            AIOLIO    272       0      70        3873       0      30      19040        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
      malloc-16384  16384       1       0           1       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       5       3           5       0       8      16384        0
       malloc-1024   1024       2      14           2       0      16      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668       20927       0     254      16032        0
         malloc-16     16     214     786       19257       0     254      16000        0
              kenv    258      15      45        1088       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
              vmem   1856       1       7           1       0       8      14848        0
        SMR SHARED     24       7     504           7       0     254      12264        0
         malloc-16     16      21     729        1107       0     254      12000        0
         malloc-16     16      46     704        2326       0     254      12000        0
         malloc-16     16      58     692        1540       0     254      12000        0
         malloc-16     16       8     742          10       0     254      12000        0
         malloc-16     16     277     473         344       0     254      12000        0
         malloc-16     16      26     724       26248       0     254      12000        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
       UMA Slabs 1    176      11      11          11       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
            pcpu-4      4       1     511           1       0     254       2048        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       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     254          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    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
      tcp_rack_pcb    896       0       0           0       0      16          0        0
      tcp_rack_map    120       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
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     72       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_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   2256       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          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    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       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     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    104       0       0           0       0     126          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-8192   8192       0       0           0       0       1          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       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 (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/08/19 02:15 freebsd-src 545db925c3d5 26a13b38 console log report ci-freebsd-main Fatal trap NUM: page fault in nd6_dad_timer
2022/06/02 04:10 freebsd-src 368852d6723f b4bc6a3d console log report ci-freebsd-i386 Fatal trap NUM: page fault in nd6_dad_timer
2022/05/15 07:19 freebsd-src 0817c8dc2a48 744a39e2 console log report ci-freebsd-i386 Fatal trap NUM: page fault in nd6_dad_timer
* Struck through repros no longer work on HEAD.