syzbot


Fatal trap NUM: page fault in nd6_dad_timer (6)

Status: upstream: reported syz repro on 2023/11/27 00:20
Reported-by: syzbot+1778b08d8e798b8dfada@syzkaller.appspotmail.com
First crash: 144d, last: 8d02h
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 941d 941d 0/2 auto-closed as invalid on 2021/12/19 18:58
freebsd Fatal trap NUM: page fault in nd6_dad_timer (2) 1 799d 799d 0/2 auto-closed as invalid on 2022/05/10 14:39
freebsd Fatal trap NUM: page fault in nd6_dad_timer (3) 3 609d 705d 0/2 auto-obsoleted due to no activity on 2022/11/17 02:16
freebsd Fatal trap NUM: page fault in nd6_dad_timer (5) 2 259d 330d 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 443d 504d 0/2 auto-obsoleted due to no activity on 2023/05/02 09:23

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x10
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81a5c21f
stack pointer	        = 0x28:0xfffffe0053fc1ae0
frame pointer	        = 0x28:0xfffffe0053fc1cb0
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))
rdi: 0000000000000010 rsi: 000000000000001c rdx: 0000000000000079
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 00000000000000e0
rax: fffffe00033eee30 rbx: fffffe0057b2b000 rbp: fffffe0053fc1cb0
r10: f3e38a34f7f58bd9 r11: 0000000000000002 r12: 0000000000000000
r13: fffffe00542cadd0 r14: fffffe0053fc1c20 r15: fffffe00542ca740
trap number		= 12
panic: page fault
cpuid = 0
time = 1705985560
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0053fc1230
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0053fc1390
vpanic() at vpanic+0x271/frame 0xfffffe0053fc1530
panic() at panic+0xb5/frame 0xfffffe0053fc15f0
trap_fatal() at trap_fatal+0x7f1/frame 0xfffffe0053fc1710
trap_pfault() at trap_pfault+0x179/frame 0xfffffe0053fc1830
trap() at trap+0x5f3/frame 0xfffffe0053fc1a10
calltrap() at calltrap+0x8/frame 0xfffffe0053fc1a10
--- trap 0xc, rip = 0xffffffff81a5c21f, rsp = 0xfffffe0053fc1ae0, rbp = 0xfffffe0053fc1cb0 ---
nd6_dad_timer() at nd6_dad_timer+0x19f/frame 0xfffffe0053fc1cb0
softclock_call_cc() at softclock_call_cc+0x409/frame 0xfffffe0053fc1e80
softclock_thread() at softclock_thread+0x200/frame 0xfffffe0053fc1ef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe0053fc1f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053fc1f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 2 tid 100029 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x2194407(%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         0xffffffff826f87c0  .str.28
rsp         0xfffffe0053fc1370
rbp         0xfffffe0053fc1390
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                        0x1
r11                        0x1
r12                          0
r13         0xfffffe00542ca740
r14         0xffffffff826f87c0  .str.28
r15                          0
rip         0xffffffff815cac0e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x2194407(%rip)
db> show proc
Process 2 (clock) at 0xfffffe00541f7020:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff836e9720
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff836e9720 reapsubtree: 2
 sigparent: 20
 vmspace: 0xffffffff836ea6c0
   (map 0xffffffff836ea6c0)
   (map.pmap 0xffffffff836ea780)
   (pmap 0xffffffff836ea7f0)
 threads: 2
100029                   Run     CPU 0                       [clock (0)]
100030                   I                                   [clock (1)]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 3575  3572  3572     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
 3574  3571  3571     0  R                                   ifconfig
 3573  3570  3570     0  D       ifnet_d 0xffffffff8385e2c0  ifconfig
 3572   776  3572     0  Ss      wait    0xfffffe006d226ac0  syz-executor.2
 3571   776  3571     0  Ss      wait    0xfffffe006d227580  syz-executor.0
 3570   776  3570     0  Ss      wait    0xfffffe006cc165a0  syz-executor.3
 3563  3466   424     0  S       nanslp  0xffffffff83740401  sleep
 3466  3461   424     0  S       wait    0xfffffe006d228b00  sh
 3461   424   424     0  S       wait    0xfffffe0057bd4ae0  sh
  776   774   774     0  S       (threaded)                  syz-execprog
100094                   S       uwait   0xfffffe0057209400  syz-execprog
100116                   S       uwait   0xfffffe0057ab6500  syz-execprog
100117                   S       uwait   0xfffffe0057ab6600  syz-execprog
100118                   S       uwait   0xfffffe0057ab6700  syz-execprog
100119                   S       wait    0xfffffe0057bd5b00  syz-execprog
100120                   S       uwait   0xfffffe0054040980  syz-execprog
100121                   S       wait    0xfffffe0057bd5b00  syz-execprog
100122                   S       wait    0xfffffe0057bd5b00  syz-execprog
100123                   S       uwait   0xfffffe0057ab6900  syz-execprog
100124                   S       uwait   0xfffffe0054040b80  syz-execprog
100136                   S       kqread  0xfffffe00589eda00  syz-execprog
  774   772   774     0  Ss      pause   0xfffffe006cc14b70  csh
  772   682   772     0  Ss      select  0xfffffe0057a96640  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe00576a00b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00587e34b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00587e3cb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00587e44b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00587eacb0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00587e4cb0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00543494b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe0054349cb0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe005434a4b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff83740400  cron
  682     1   682     0  Ss      select  0xfffffe006cd3fcc0  sshd
  495     1   495     0  Ss      select  0xfffffe006cd3fd40  syslogd
  424     1   424     0  Ss      wait    0xfffffe006cc16040  devd
  423     1   423    65  Ss      select  0xfffffe0058a29c40  dhclient
  338     1   338     0  Ss      select  0xfffffe0057a9c1c0  dhclient
  335     1   335     0  Ss      select  0xfffffe0058a26240  dhclient
   17     0     0     0  DL      syncer  0xffffffff8385db20  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe00571c9040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff8385c100  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100092                   D       sdflush 0xfffffe00085fe8e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff838a55c0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff8388d438  [dom0]
100080                   D       launds  0xffffffff8388d444  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d60f50  [uma]
    7     0     0     0  DL      -       0xffffffff834bdc10  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff84000ea0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff845c75a0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff83488340  [doneq0]
100045                   D       -       0xffffffff834882c0  [async]
100076                   D       -       0xffffffff83488140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83888c60  [crypto]
100042                   D       crypto_ 0xfffffe00542edd30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe00542edd80  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe000799c088  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836e8d40  [g_event]
100036                   D       -       0xffffffff836e8d60  [g_up]
100037                   D       -       0xffffffff836e8d80  [g_down]
    2     0     0     0  RL      (threaded)                  [clock]
100029                   Run     CPU 0                       [clock (0)]
100030                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100031                   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                   Run     CPU 1                       [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe00541f8040  [init]
   10     0     0     0  DL      audit_w 0xffffffff838896c0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836e9720  [swapper]
100005                   D       -       0xfffffe00540a8800  [softirq_0]
100006                   D       -       0xfffffe00540a8600  [softirq_1]
100007                   D       -       0xfffffe00540a8400  [if_io_tqg_0]
100008                   D       -       0xfffffe00540a8200  [if_io_tqg_1]
100009                   D       -       0xfffffe00540a8000  [if_config_tqg_0]
100010                   D       -       0xfffffe00079e5000  [pci_hp taskq]
100011                   D       -       0xfffffe00079e4e00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00079e4b00  [thread taskq]
100016                   D       -       0xfffffe00079e4900  [aiod_kick taskq]
100017                   D       -       0xfffffe00079e4800  [deferred_unmount ta]
100018                   D       -       0xfffffe00079e4700  [inm_free taskq]
100019                   D       -       0xfffffe00079e4600  [in6m_free taskq]
100020                   D       -       0xfffffe00079e4500  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00079e4400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00079e4300  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00079e4200  [firmware taskq]
100039                   D       -       0xfffffe00079e3700  [crypto_0]
100040                   D       -       0xfffffe00079e3700  [crypto_1]
100055                   D       -       0xfffffe00079e3000  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00079e2e00  [vtnet0 txq 0]
100057                   D       -       0xfffffe00079e2d00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00079e2c00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0057197400  [virtio_balloon]
100066                   D       -       0xffffffff826fda20  [deadlkres]
100070                   D       -       0xfffffe00079e3200  [acpi_task_0]
100071                   D       -       0xfffffe00079e3200  [acpi_task_1]
100072                   D       -       0xfffffe00079e3200  [acpi_task_2]
100074                   D       -       0xfffffe00079e5100  [mca taskq]
100075                   D       -       0xfffffe00079e3100  [CAM taskq]
db> show all locks
Process 3574 (ifconfig) thread 0xfffffe006cdd4000 (100114)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 0 (0xffffffff8385e2c0) locked @ /syzkaller/managers/i386/kernel/sys/net/if.c:3039
Process 2 (clock) thread 0xfffffe00542ca740 (100029)
exclusive rw nd6 DAD queue (nd6 DAD queue) r = 0 (0xfffffe0054060178) locked @ /syzkaller/managers/i386/kernel/sys/kern/kern_rwlock.c:176
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4220
         sysctloid        34817         2052K        34888
             vtbuf           24         1968K           46
              kobj          326         1304K          488
            newblk            7         1026K         1189
          vfscache            3         1025K            3
               pcb           23          669K          739
          inodedep          238          601K          602
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
               LRO          360          363K          674
            DEVFS1          262          262K          585
         vnet_data            2          224K            2
          acpitask            1          224K            1
           subproc          113          210K         3643
            acpica         1674          184K        60830
          routetbl         5555          183K        20002
           tidhash            3          141K            3
              vmem            3          134K            4
            linker          352          130K          386
           pagedep            8          130K          500
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
          filedesc           14          105K         2686
        gtaskqueue           18           98K           18
               bus          985           81K         5155
          mtx_pool            2           72K            2
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          513           65K          513
       ddb_capture            1           64K            1
            dirrem          229           58K          506
              umtx          320           40K          320
           kdtrace          189           39K         3877
              temp           35           37K        11631
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          128           32K          291
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
               BPF           14           19K          223
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
            ifaddr           60           16K         1469
           ithread           97           16K           97
            bus-sc           34           15K         1687
             ifnet            8           15K          160
      eventhandler          161           14K          161
          freefile          105           14K          380
            KTRACE          100           13K          100
              kenv           95           12K           95
              GEOM           61           11K          481
              rman           86           11K          431
         CAM queue            5           11K         1528
          pf_ifnet           31           10K          784
           lltable           31            9K         1284
         bmsafemap            2            9K          565
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          238            8K          300
       ether_multi           85            7K         4704
         taskqueue           63            7K           63
            sglist            6            7K            6
           CAM DEV            3            6K          510
              cred           23            6K          374
            ip6ndp           25            6K          352
         in6_multi           38            6K         1736
            kqueue           48            6K         3612
         pfs_nodes           20            5K           20
             hhook           15            5K           17
            plimit           19            5K         1563
       ufs_dirhash           24            5K           24
               UMA          267            5K          267
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
         proc-args           74            3K        10067
           pwddesc           46            3K         3576
          terminal           11            3K           11
           session           22            3K          254
             clone            9            3K            9
           uidinfo            3            3K            9
             lockf           20            3K           79
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            Unitno           27            2K          661
               tun            7            2K          160
           CAM XPT           22            2K          543
               msi           12            2K           12
             mkdir           12            2K          970
             selfd           24            2K        28349
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
           acpidev           20            2K           20
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
       vnodemarker            2            1K           22
      NFSD session            1            1K            1
            select            7            1K          160
        CAM periph            4            1K          271
          sctp_ifa            6            1K          337
             ipsec            3            1K            3
         newdirblk            6            1K          485
            diradd            6            1K          536
               mld            6            1K          159
            CC Mem            3            1K            7
              igmp            6            1K          159
             nhops            6            1K          163
              pfil            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
          in_multi            2            1K          163
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
               osd            8            1K           20
       inpcbpolicy           13            1K         1797
          sctp_ifn            3            1K          337
           netlink            2            1K          815
    chacha20random            1            1K            1
            biobuf            1            1K            1
            vnodes            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
            DEVFSP            4            1K          180
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          procdesc            1            1K           84
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         4358
          filecaps            4            1K          396
          sctp_vrf            1            1K            1
          freework            1            1K          504
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K          204
          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K          483
         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          157
         sctp_atky            0            0K          157
         sctp_atcl            0            0K          157
         sctp_a_it            0            0K          483
         sctp_aadr            0            0K            0
         sctp_stro            0            0K            0
         sctp_stri            0            0K            0
          sctp_map            0            0K            0
            mqdata            0            0K            0
            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_krule_item            0            0K            0
           pf_temp            0            0K            0
           filemon            0            0K            0
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
               ixl            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
       fpukern_ctx            0            0K            0
          xen_intr            0            0K            0
           xen_hvm            0            0K            0
         legacydrv            0            0K            0
            bounce            0            0K            0
            busdma            0            0K            0
            qpidrv            0            0K            0
      dmar_idpgtbl            0            0K            0
          dmar_dom            0            0K            0
          dmar_ctx            0            0K            0
              isci            0            0K            0
      iommu_dmamap            0            0K            0
     hyperv_socket            0            0K            0
           bxe_ilt            0            0K            0
        aesni_data            0            0K            0
            xenbus            0            0K            0
     vm_fictitious            0            0K            0
           UMAHash            0            0K            0
         vm_pgdata            0            0K            0
           jblocks            0            0K            0
          savedino            0            0K          313
          sentinel            0            0K            0
            jfsync            0            0K            0
            jtrunc            0            0K            0
             sbdep            0            0K            7
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       14097       0     254   38494208        0
              mbuf    256    8583    1080       38391       0     254    2473728        0
          BUF TRIE    144     180   11636         804       0      62    1701504        0
        malloc-384    384    4122      48        4276       0      30    1601280        0
       malloc-4096   4096     380       8        4072       0       2    1589248        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11446     272       18354       0     126    1499904        0
       UMA Slabs 0    112   11223       3       11223       0     126    1257312        0
            DEVCTL   1024    1000     100        1338       0       0    1126400        0
         vmem btag     56   16308      75       16308       0     254     917448        0
         FFS inode   1168     629      15        1010       0       8     752192        0
           sctp_ep   1176       0     510         157       0     254     599760        0
        RADIX NODE    144    3648     267      142745       0      62     563760        0
          lkpicurr    176       2    3080           2       0      62     542432        0
              pbuf   2624       0     198           0       0       2     519552        0
            socket    960      22     486        4646       0     254     487680        0
       malloc-2048   2048     185       7         342       0       8     393216        0
         malloc-32     32   10807     407       12947       0     254     358848        0
         VM OBJECT    264    1140     120       68316       0      30     332640        0
             VNODE    448     665      55        1201       0      30     322560        0
       malloc-1024   1024     281      23         604       0      16     311296        0
        256 Bucket   2048     139       7        1060       0       8     299008        0
         malloc-64     64    3901     698       13843       0     254     294336        0
            THREAD   1824     142      18         300       0       8     291840        0
      malloc-65536  65536       4       0           4       0       1     262144        0
        malloc-256    256     226     704        1884       0      62     238080        0
         malloc-16     16   14387     363       14934       0     254     236000        0
      malloc-16384  16384       6       6        1262       0       1     196608        0
       malloc-2048   2048       6      90        1067       0       8     196608        0
       mbuf_packet    256       0     762        2539       0     254     195072        0
         UMA Zones    768     239       0         239       0      16     183552        0
        malloc-128    128    1169     226       28372       0     126     178560        0
       FFS2 dinode    256     629      61        1009       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
     FPU_save_area    832     144      36         931       0      16     149760        0
       S VFS Cache    104    1009     395        2005       0     126     146016        0
         MAP ENTRY     96    1098     414      221579       0     126     145152        0
      malloc-65536  65536       0       2           8       0       1     131072        0
      malloc-65536  65536       0       2         110       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-65536  65536       0       2         346       0       1     131072        0
        malloc-128    128     778     245        6427       0     126     130944        0
             unpcb    256       8     502        2324       0     254     130560        0
          ksiginfo    112      55     989         945       0     126     116928        0
        malloc-384    384     256      44        1648       0      30     115200        0
        malloc-256    256     293     142        2443       0      62     111360        0
        128 Bucket   1024      50      49         403       0      16     101376        0
      malloc-32768  32768       3       0           3       0       1      98304        0
      malloc-32768  32768       3       0           3       0       1      98304        0
        malloc-256    256     232     143        6619       0      62      96000        0
              PROC   1376      45      21        3575       0       8      90816        0
          UMA Kegs    384     226       7         226       0      30      89472        0
         64 Bucket    512      95      73        3885       0      30      86016        0
        malloc-128    128     327     324        3178       0     126      83328        0
        malloc-128    128     404     247        4343       0     126      83328        0
       malloc-4096   4096      12       8         181       0       2      81920        0
         filedesc0   1072      46      24        3576       0       8      75040        0
             g_bio    408       0     180        7295       0      30      73440        0
         malloc-64     64     513     558        1640       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
         32 Bucket    256      66     189        3653       0      62      65280        0
        malloc-384    384     106      44         599       0      30      57600        0
       malloc-4096   4096       7       7          37       0       2      57344        0
         malloc-64     64     108     711       34551       0     254      52416        0
         malloc-64     64     473     346        2337       0     254      52416        0
         malloc-64     64     335     484         646       0     254      52416        0
     routing nhops    256      11     184         684       0      62      49920        0
        malloc-256    256      52     143        1953       0      62      49920        0
        malloc-256    256      68     127        2599       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       53716       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       6       0           6       0       1      49152        0
       malloc-4096   4096       6       6         166       0       2      49152        0
       malloc-2048   2048       9      15         161       0       8      49152        0
       malloc-2048   2048       5      19         912       0       8      49152        0
       malloc-1024   1024       4      44         553       0      16      49152        0
            pcpu-8      8    4996    1148       29865       0     254      49152        0
              pipe    728      16      50        1783       0      16      48048        0
          syncache    168       0     264           5       0     254      44352        0
       malloc-8192   8192       5       0           5       0       1      40960        0
           VMSPACE    616      29      37        3721       0      16      40656        0
         udp_inpcb    424       9      81        1747       0      30      38160        0
            da_ccb    544       0      70        1943       0      16      38080        0
         malloc-64     64      40     527          85       0     254      36288        0
         malloc-64     64      17     550       33054       0     254      36288        0
         malloc-64     64      39     528         705       0     254      36288        0
        malloc-128    128      20     259          63       0     126      35712        0
        malloc-128    128     104     175         765       0     126      35712        0
        malloc-128    128      79     200          87       0     126      35712        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      52      38          52       0      30      34560        0
        malloc-256    256      12     123         509       0      62      34560        0
        malloc-256    256       5     130        3165       0      62      34560        0
        malloc-256    256      30     105         977       0      62      34560        0
         TURNSTILE    136     161      91         161       0      62      34272        0
      malloc-16384  16384       0       2         160       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
       malloc-8192   8192       3       1         104       0       1      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-2048   2048       7       9         164       0       8      32768        0
       malloc-2048   2048       2      14         193       0       8      32768        0
       malloc-2048   2048       1      15         686       0       8      32768        0
       malloc-1024   1024      15      17          16       0      16      32768        0
       malloc-1024   1024      14      18         334       0      16      32768        0
       malloc-1024   1024       2      30         157       0      16      32768        0
       malloc-1024   1024      10      22          10       0      16      32768        0
       malloc-1024   1024       1      31        5930       0      16      32768        0
        malloc-512    512       3      61          17       0      30      32768        0
        malloc-512    512       3      61        1340       0      30      32768        0
        malloc-512    512       4      60          55       0      30      32768        0
        malloc-512    512       3      61          23       0      30      32768        0
        malloc-512    512       8      56          22       0      30      32768        0
           pcpu-64     64     487      25         487       0     254      32768        0
               PWD     40      13     795         585       0     254      32320        0
             KNOTE    160      26     174        5594       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
             Files     80     102     298       34007       0     126      32000        0
              PGRP    120      22     242         254       0     126      31680        0
            clpbuf   2624       0      12          23       0       4      31488        0
        sctp_laddr     48       0     588         665       0     254      28224        0
         16 Bucket    144      55     141         299       0      62      28224        0
          4 Bucket     48       6     582           8       0     254      28224        0
            cpuset    200       7     121           7       0      62      25600        0
             ripcb    392       1      62          43       0      30      24696        0
       malloc-8192   8192       1       2           3       0       1      24576        0
       malloc-8192   8192       2       1          28       0       1      24576        0
          rl_entry     40      53     553          53       0     254      24240        0
           rtentry    168      14     130         684       0      62      24192        0
          8 Bucket     80      58     242         443       0     126      24000        0
         tcp_inpcb   1312       3      15           7       0       8      23616        0
        malloc-384    384       0      60         343       0      30      23040        0
        malloc-384    384      14      46         176       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     161      95         161       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
              ertt     72       3     277           7       0     126      20160        0
         malloc-32     32       3     627         639       0     254      20160        0
         malloc-32     32     105     525         161       0     254      20160        0
         malloc-32     32     314     316        3268       0     254      20160        0
         malloc-32     32      56     574        1193       0     254      20160        0
         malloc-32     32      51     579         617       0     254      20160        0
         malloc-32     32      53     577        4023       0     254      20160        0
         malloc-32     32      34     596        1081       0     254      20160        0
          2 Bucket     32      71     559         593       0     254      20160        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-8192   8192       2       0           2       0       1      16384        0
       malloc-4096   4096       2       2         851       0       2      16384        0
       malloc-1024   1024       0      16           3       0      16      16384        0
        malloc-512    512       0      32         119       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
         malloc-16     16     214     786        9936       0     254      16000        0
              kenv    258      17      43        1160       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
    ertt_txseginfo     40       0     303         256       0     254      12120        0
   tcp_inpcb ports     32       1     377           1       0     254      12096        0
         malloc-16     16     198     552         393       0     254      12000        0
         malloc-16     16      17     733         508       0     254      12000        0
         malloc-16     16      49     701        1364       0     254      12000        0
         malloc-16     16      36     714         203       0     254      12000        0
         malloc-16     16     268     482       27991       0     254      12000        0
         malloc-16     16      34     716        1007       0     254      12000        0
        malloc-384    384       2      28           2       0      30      11520        0
       malloc-4096   4096       1       1           1       0       2       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       0     334        2260       0     254       8016        0
       UMA Slabs 1    176      11      11          11       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        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    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    360       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   1024       0       0           0       0      16          0        0
      tcp_rack_map    128       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
               ipq     56       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
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_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
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    424       0       0           0       0      30          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       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
               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    232       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
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     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      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          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-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-512    512       0       0           0       0      30          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (6):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/23 06:25 freebsd-src 63a5fe834354 1c0ecc51 console log report syz ci-freebsd-i386 Fatal trap NUM: page fault in nd6_dad_timer
2024/03/20 23:13 freebsd-src 45d83c39262d 5b7d42ae console log report ci-freebsd-main Fatal trap NUM: page fault in nd6_dad_timer
2024/01/20 11:06 freebsd-src 4b3ffc5918b9 9bd8dcda console log report ci-freebsd-main Fatal trap NUM: page fault in nd6_dad_timer
2023/12/23 22:57 freebsd-src 906748d208d3 fb427a07 console log report ci-freebsd-main Fatal trap NUM: page fault in nd6_dad_timer
2023/11/27 00:20 freebsd-src e4967d4d48b0 5b429f39 console log report ci-freebsd-main Fatal trap NUM: page fault in nd6_dad_timer
2024/04/11 10:12 freebsd-src f03a2e7b59d9 3023abf0 console log report ci-freebsd-i386 Fatal trap NUM: page fault in nd6_dad_timer
* Struck through repros no longer work on HEAD.