syzbot


Fatal trap NUM: page fault in nd6_dad_timer (5)

Status: auto-obsoleted due to no activity on 2023/11/02 07:26
Reported-by: syzbot+243856c3586f0967ca7a@syzkaller.appspotmail.com
First crash: 362d, last: 291d
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 974d 974d 0/2 auto-closed as invalid on 2021/12/19 18:58
freebsd Fatal trap NUM: page fault in nd6_dad_timer (2) 1 832d 832d 0/2 auto-closed as invalid on 2022/05/10 14:39
freebsd Fatal trap NUM: page fault in nd6_dad_timer (3) 3 641d 737d 0/2 auto-obsoleted due to no activity on 2022/11/17 02:16
freebsd Fatal trap NUM: page fault in nd6_dad_timer (4) 2 475d 536d 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 15d 176d 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 = 0; apic id = 00
fault virtual address	= 0x10
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81a4155e
stack pointer	        = 0x28:0xfffffe0053fc5ae0
frame pointer	        = 0x28:0xfffffe0053fc5cb0
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: 0000000000000269
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 00000000000004a8
rax: fffffe00033eee30 rbx: fffffe00588c4800 rbp: fffffe0053fc5cb0
r10: 9340344529c2b972 r11: 0000000000000006 r12: 0000000000000000
r13: fffff7800a7f8b68 r14: fffffe0053fc5c20 r15: fffffe00542c63a0
trap number		= 12
panic: page fault
cpuid = 0
time = 2147484158
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0053fc52d0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0053fc5430
vpanic() at vpanic+0x24b/frame 0xfffffe0053fc5510
panic() at panic+0xb5/frame 0xfffffe0053fc55d0
trap_fatal() at trap_fatal+0x7ee/frame 0xfffffe0053fc56f0
trap_pfault() at trap_pfault+0x17b/frame 0xfffffe0053fc5830
trap() at trap+0x5f3/frame 0xfffffe0053fc5a10
calltrap() at calltrap+0x8/frame 0xfffffe0053fc5a10
--- trap 0xc, rip = 0xffffffff81a4155e, rsp = 0xfffffe0053fc5ae0, rbp = 0xfffffe0053fc5cb0 ---
nd6_dad_timer() at nd6_dad_timer+0x19e/frame 0xfffffe0053fc5cb0
softclock_call_cc() at softclock_call_cc+0x40a/frame 0xfffffe0053fc5e80
softclock_thread() at softclock_thread+0x200/frame 0xfffffe0053fc5ef0
fork_exit() at fork_exit+0xc9/frame 0xfffffe0053fc5f30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0053fc5f30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 2 tid 100029 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x213a287(%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         0xffffffff826bc3a0  .str.28
rsp         0xfffffe0053fc5410
rbp         0xfffffe0053fc5430
rsi                        0x1
rdi                          0
r8                           0
r9                  0xffffffff
r10                          0
r11                        0x1
r12                          0
r13         0xfffffe00542c63a0
r14         0xffffffff826bc3a0  .str.28
r15                          0
rip         0xffffffff815bce8e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x213a287(%rip)
db> show proc
Process 2 (clock) at 0xfffffe00541fa020:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff836af0c0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff836af0c0 reapsubtree: 2
 sigparent: 20
 vmspace: 0xffffffff836b0060
   (map 0xffffffff836b0060)
   (map.pmap 0xffffffff836b0120)
   (pmap 0xffffffff836b0190)
 threads: 2
100029                   Run     CPU 0                       [clock (0)]
100030                   I                                   [clock (1)]
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
25235 25159   424     0  S       nanslp  0xffffffff836d88c0  sleep
25159 25153   424     0  S       wait    0xfffffe0057bb85a0  sh
25153   424   424     0  S       wait    0xfffffe00746c0ae0  sh
13248     1   772     0  S       uwait   0xfffffe00571dc280  syz-executor.1
13243     1   772     0  S       uwait   0xfffffe0073e6e780  syz-executor.1
13238     1   772     0  S       uwait   0xfffffe005897e280  syz-executor.1
13233     1   772     0  S       uwait   0xfffffe005897f300  syz-executor.1
13230     1   772     0  S       uwait   0xfffffe0057a8b700  syz-executor.1
13228     1   772     0  S       uwait   0xfffffe0073e6e980  syz-executor.1
13226     1   772     0  S       uwait   0xfffffe005897f600  syz-executor.1
13221     1   772     0  S       uwait   0xfffffe005897f800  syz-executor.1
13216     1   772     0  S       uwait   0xfffffe0057a8ba00  syz-executor.1
13214     1   772     0  S       uwait   0xfffffe005897f100  syz-executor.1
13209     1   772     0  S       uwait   0xfffffe0058980500  syz-executor.1
13206     1   772     0  S       uwait   0xfffffe0058980700  syz-executor.1
13202     1   772     0  S       uwait   0xfffffe005897f400  syz-executor.1
13198     1   772     0  S       uwait   0xfffffe0057a8b100  syz-executor.1
13193     1   772     0  S       uwait   0xfffffe005897e780  syz-executor.1
13188     1   772     0  S       uwait   0xfffffe005897de00  syz-executor.1
13183     1   772     0  S       uwait   0xfffffe0054208f00  syz-executor.1
13181     1   771     0  S       uwait   0xfffffe005897f700  syz-executor.0
13177     1   771     0  S       uwait   0xfffffe005897ee80  syz-executor.0
13176     1   771     0  S       uwait   0xfffffe0057a8b400  syz-executor.0
13174     1   771     0  S       uwait   0xfffffe0057a89d00  syz-executor.0
 5486     1  5486    65  Ss      select  0xfffffe006cc03440  dhclient
 4334     1  4334     0  Ss      select  0xfffffe006cc03ac0  dhclient
 4331     1  4331     0  Ss      select  0xfffffe006ccfdc40  dhclient
 4309     1  4309    65  Ss      select  0xfffffe006ccfdac0  dhclient
 2523     1  2523     0  Ss      select  0xfffffe0007cae740  dhclient
 2520     1  2520     0  Ss      select  0xfffffe0007cae5c0  dhclient
 2492     1  2492    65  Ss      select  0xfffffe006ccfd0c0  dhclient
 1621     1  1621     0  Ss      select  0xfffffe006ccfd6c0  dhclient
 1618     1  1618     0  Ss      select  0xfffffe006ccfd140  dhclient
  833     0     0     0  DL      aiordy  0xfffffe0058cb9020  [aiod4]
  832     0     0     0  DL      aiordy  0xfffffe0058cb8ac0  [aiod3]
  831     0     0     0  DL      aiordy  0xfffffe0058cba5a0  [aiod2]
  830     0     0     0  DL      aiordy  0xfffffe006cd70b00  [aiod1]
  773   768   773     0  Ss      piperd  0xfffffe0058a20c70  syz-executor.2
  772   768   772     0  Ss      piperd  0xfffffe0058a1f888  syz-executor.1
  771   768   771     0  Ss      piperd  0xfffffe0058a1f000  syz-executor.0
  768   766   766     0  S       (threaded)                  syz-fuzzer
100115                   S       wait    0xfffffe006ccf0000  syz-fuzzer
100116                   S       uwait   0xfffffe0057a8a480  syz-fuzzer
100117                   S       uwait   0xfffffe0057a8a380  syz-fuzzer
100118                   S       uwait   0xfffffe0057a8a280  syz-fuzzer
100119                   S       wait    0xfffffe006ccf0000  syz-fuzzer
100120                   S       uwait   0xfffffe0057a8ae80  syz-fuzzer
100121                   S       uwait   0xfffffe0057a8ad80  syz-fuzzer
100122                   S       uwait   0xfffffe0057a8ac80  syz-fuzzer
100125                   S       wait    0xfffffe006ccf0000  syz-fuzzer
100126                   S       uwait   0xfffffe0058980600  syz-fuzzer
100129                   S       uwait   0xfffffe0057a8aa80  syz-fuzzer
100142                   S       uwait   0xfffffe0057a8b500  syz-fuzzer
115542                   S       kqread  0xfffffe00085fc400  syz-fuzzer
  766   764   766     0  Ss      pause   0xfffffe006ccf0610  csh
  764   682   764     0  Ss      select  0xfffffe006ccfda40  sshd
  748     1   748     0  Ss+     ttyin   0xfffffe00576728b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe00587e50b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe00587e58b0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00587e60b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe00587e68b0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00543410b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe00543418b0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00543420b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe00543428b0  getty
  686     1   686     0  Ss      nanslp  0xffffffff836d88c1  cron
  682     1   682     0  Ss      select  0xfffffe006ccfddc0  sshd
  495     1   495     0  Ss      select  0xfffffe006cc03740  syslogd
  424     1   424     0  Ss      wait    0xfffffe0057bb7580  devd
  423     1   423    65  Ss      select  0xfffffe0057a68840  dhclient
  338     1   338     0  Ss      select  0xfffffe0057a689c0  dhclient
  335     1   335     0  Ss      select  0xfffffe006cc03b40  dhclient
   17     0     0     0  DL      syncer  0xffffffff837dada0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe00571a1000  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff837d93c0  [bufdaemon]
100082                   D       -       0xffffffff82c0a140  [bufspacedaemon-0]
100096                   D       sdflush 0xfffffe00085f98e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83810c80  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83804b38  [dom0]
100080                   D       launds  0xffffffff83804b44  [laundry: dom0]
100081                   D       umarcl  0xffffffff81d3ec00  [uma]
    7     0     0     0  DL      -       0xffffffff8349cea8  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff841a43d0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff844c52c0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100044                   D       -       0xffffffff8347f340  [doneq0]
100045                   D       -       0xffffffff8347f2c0  [async]
100076                   D       -       0xffffffff8347f140  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe00085fb888  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100040                   D       crypto_ 0xffffffff838003e0  [crypto]
100041                   D       crypto_ 0xfffffe0054372030  [crypto returns 0]
100042                   D       crypto_ 0xfffffe0054372080  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100035                   D       -       0xffffffff836ae6a0  [g_event]
100036                   D       -       0xffffffff836ae6c0  [g_up]
100037                   D       -       0xffffffff836ae6e0  [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]
100016                   I                                   [swi5: fast taskq]
100019                   I                                   [swi6: task queue]
100020                   I                                   [swi6: Giant 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    0xfffffe00541fb040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83800e20  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff836af0c0  [swapper]
100005                   D       -       0xfffffe00542af100  [if_io_tqg_0]
100006                   D       -       0xfffffe00542af000  [if_io_tqg_1]
100007                   D       -       0xfffffe00542aee00  [if_config_tqg_0]
100008                   D       -       0xfffffe00542aed00  [softirq_0]
100009                   D       -       0xfffffe00542aec00  [softirq_1]
100010                   D       -       0xfffffe000799f000  [linuxkpi_irq_wq]
100011                   D       -       0xfffffe00085ffe00  [thread taskq]
100012                   D       -       0xfffffe00085ffd00  [inm_free taskq]
100013                   D       -       0xfffffe00085ffc00  [aiod_kick taskq]
100014                   D       -       0xfffffe00085ffb00  [deferred_unmount ta]
100015                   D       -       0xfffffe00085ffa00  [in6m_free taskq]
100017                   D       -       0xfffffe00085ff800  [kqueue_ctx taskq]
100018                   D       -       0xfffffe00085ff700  [pci_hp taskq]
100021                   D       -       0xfffffe00085ff400  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085ff400  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085ff400  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085ff400  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085ff300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085ff300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085ff300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085ff300  [linuxkpi_long_wq_3]
100034                   D       -       0xfffffe00085ff200  [firmware taskq]
100038                   D       -       0xfffffe00085fe700  [crypto_0]
100039                   D       -       0xfffffe00085fe700  [crypto_1]
100055                   D       -       0xfffffe00085fde00  [vtnet0 rxq 0]
100056                   D       -       0xfffffe00085fdd00  [vtnet0 txq 0]
100057                   D       -       0xfffffe00085fdc00  [vtnet0 rxq 1]
100058                   D       -       0xfffffe00085fdb00  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0057179080  [virtio_balloon]
100066                   D       -       0xffffffff826c12e0  [deadlkres]
100070                   D       -       0xfffffe000799f100  [mca taskq]
100072                   D       -       0xfffffe00085fe400  [acpi_task_0]
100073                   D       -       0xfffffe00085fe400  [acpi_task_1]
100074                   D       -       0xfffffe00085fe400  [acpi_task_2]
100075                   D       -       0xfffffe00085fe000  [CAM taskq]
db> show all locks
Process 2 (clock) thread 0xfffffe00542c63a0 (100029)
exclusive rw nd6 DAD queue (nd6 DAD queue) r = 0 (0xfffffe005405e108) 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         4218         4324K         4246
         sysctloid        34926         2058K        34997
             vtbuf           24         1968K           46
               pcb          906         1659K        44589
              kobj          326         1304K          488
            newblk            7         1026K       104226
          vfscache            3         1025K            3
          inodedep           26          522K        30421
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
          filedesc           50          393K        48123
         sctp_stro          367          367K         9922
           subproc          188          350K        25359
         sctp_atcl          807          303K        32808
              vmem            3          266K            6
            acpica         1674          184K        57212
           tidhash            3          141K            3
           pagedep           10          131K        24081
            linker          352          130K          417
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
         vnet_data            1          112K            1
            DEVFS1          109          109K          132
               sem            4          106K            4
               bus          985           81K         5069
          mtx_pool            2           72K            2
               BPF           38           71K          678
     NFSD srvcache            3           68K            3
          syncache            1           68K            1
            module          512           64K          512
          acpitask            1           64K            1
       ddb_capture            1           64K            1
              temp           36           53K         7567
              umtx          418           53K          418
           kdtrace          262           52K        55861
           pf_osfp          396           49K          396
         sctp_atky         1174           49K        45035
            DEVFS3          128           32K          140
         hostcache            1           32K            1
               shm            1           32K          785
               msg            4           30K            4
         sctp_timw          111           28K          111
            kbdmux            6           28K            6
        gtaskqueue           18           26K           18
          routetbl          281           21K         9752
        DEVFS_RULE           56           20K           56
            ifaddr           70           20K           94
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1648
             ifnet            8           15K            9
      eventhandler          157           13K          157
         sctp_athm          807           13K        33741
            KTRACE          100           13K          100
           lltable           41           13K          122
          sctp_map          734           12K        19528
              kenv           95           12K           95
       ether_multi          144           12K          246
              rman           88           11K          431
              GEOM           61           11K          481
         CAM queue            5           11K         1528
         in6_multi           71            9K           99
         bmsafemap            3            9K        28312
               rpc            4            9K            4
              UART           12            9K           12
           devstat            4            9K            4
              ksem            1            8K           21
       pfs_vncache            1            8K            1
             shmfd            1            8K           83
     audit_evclass          237            8K          297
            kqueue           79            8K        25459
         taskqueue           63            7K           63
              cred           26            7K          326
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           22            6K          498
          pf_ifnet           13            5K         1893
         pfs_nodes           20            5K           20
           pwddesc           77            5K        25248
       ufs_dirhash           24            5K           24
            DEVFSP           71            5K         6179
               UMA          268            5K          268
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
            dirrem           16            4K        26696
             evdev            4            4K            4
           session           31            4K           65
         proc-args          107            4K        26854
           acpisem           28            4K           28
             lockf           32            4K          149
             hhook           15            4K           17
             selfd           45            3K       338003
          terminal           11            3K           11
         sctp_aadr           41            3K          143
          kcovinfo           39            3K           78
             clone            9            3K            9
           uidinfo            3            3K           14
          sctp_ifa           17            3K           21
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            select           16            2K           75
            ip6ndp           12            2K           20
            Unitno           27            2K          917
           CAM XPT           22            2K          543
               msi           12            2K           12
         cryptodev           21            2K         5749
          freefile           10            2K        26668
       ipsecpolicy            2            2K            2
          in_multi            5            2K           12
           acpidev           20            2K           20
               tun            7            2K            9
      NFSD session            1            1K            1
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
            CC Mem            4            1K         6530
             nhops            6            1K            8
       vnodemarker            2            1K          218
        CAM periph            4            1K          271
          freework            4            1K        57132
          sctp_ifn            6            1K           21
             ipsec            3            1K            3
             mkdir            6            1K        48090
          freeblks            3            1K        27995
               mld            6            1K            8
              igmp            6            1K            8
              pfil            6            1K            6
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
            diradd            5            1K        26733
            crypto            4            1K            4
 encap_export_host           12            1K           12
          procdesc            4            1K           22
              cdev            2            1K            2
       inpcbpolicy           14            1K         7735
               osd            9            1K         6543
         newdirblk            3            1K        24045
    chacha20random            1            1K            1
            biobuf            1            1K            1
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            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
          filecaps            7            1K          228
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8428     970     1170122       0     254   38494208        0
              mbuf    256    9289    7739     2757545       0     254    4359168        0
           tcp_log    416       0    9909      229941       0     254    4122144        0
        RADIX NODE    144   14541    1218      786652       0      67    2269296        0
         sctp_asoc   2264     367     398        9746       0     254    1731960        0
          BUF TRIE    144     201   11615       87779       0      62    1701504        0
        malloc-384    384    4170      30        4171       0      30    1612800        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11487     386       38547       0     126    1519744        0
       malloc-2048   2048     447     289       24412       0       8    1507328        0
       malloc-4096   4096     327       5        1731       0       2    1359872        0
       UMA Slabs 0    112   11533      17       11533       0     126    1293600        0
           sctp_ep   1176     440     580       22185       0     254    1199520        0
         vmem btag     56   19947     108       19947       0     254    1123080        0
        malloc-384    384     863    1807       67821       0      30    1025280        0
            socket    960     109     655       31531       0     254     733440        0
        256 Bucket   2048     325      19        9303       0       8     704512        0
         FFS inode   1160     539      35       27208       0       8     665840        0
       malloc-1024   1024     367     273        9703       0      16     655360        0
      malloc-16384  16384      26       9       24074       0       1     573440        0
        sctp_raddr    736     367     403        9746       0     254     566720        0
              pbuf   2624       0     198           0       0       2     519552        0
        malloc-256    256      71    1864       34009       0      62     495360        0
        malloc-256    256      32    1903       41847       0      62     495360        0
         VM OBJECT    264    1634     136      294646       0      30     467280        0
    ertt_txseginfo     40       0   11514      666043       0     254     460560        0
        malloc-128    128    1212    1950      101468       0     126     404736        0
      malloc-65536  65536       6       0           6       0       1     393216        0
       malloc-4096   4096      85      11       25258       0       2     393216        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
            THREAD   1824     184      25       30612       0       8     381216        0
        sctp_chunk    152     318    1970       26539       0     254     347776        0
             VNODE    448     580     113       27253       0      30     310464        0
         malloc-64     64    3966     633       54469       0     254     294336        0
        malloc-256    256     226     839      104622       0      62     272640        0
      malloc-32768  32768       0       8       46314       0       1     262144        0
         malloc-16     16   14430     320       21040       0     254     236000        0
         MAP ENTRY     96    1936     458      749731       0     126     229824        0
       malloc-2048   2048      13      99        4837       0       8     229376        0
            DEVCTL   1024      22     198         187       0       0     225280        0
        malloc-256    256     496     374       22572       0      62     222720        0
       tcp_bbr_map    128       0    1643       39883       0     126     210304        0
     FPU_save_area    832     186      57       39798       0      16     202176        0
       mbuf_packet    256      81     681       43894       0     254     195072        0
         malloc-32     32    5520     402        5564       0     254     189504        0
         UMA Zones    768     240       4         240       0      16     187392        0
        malloc-128    128    1146     249        6189       0     126     178560        0
       FFS2 dinode    256     539     151       27208       0      62     176640        0
       malloc-1024   1024     135      25         158       0      16     163840        0
       S VFS Cache    104    1042     479       30324       0     126     158184        0
              PROC   1376      76      34       25247       0       8     151360        0
        malloc-256    256      44     526        1765       0      62     145920        0
        128 Bucket   1024     105      26        7289       0      16     134144        0
      malloc-65536  65536       0       2         414       0       1     131072        0
      malloc-65536  65536       0       2         126       0       1     131072        0
      malloc-65536  65536       0       2        1110       0       1     131072        0
             unpcb    256      18     492        1546       0     254     130560        0
         64 Bucket    512     173      59       37990       0      30     118784        0
         tcp_inpcb   1304       4      86        6530       0       8     117360        0
          ksiginfo    112      95     949       10651       0     126     116928        0
       malloc-4096   4096      19       9          39       0       2     114688        0
         filedesc0   1072      77      28       25248       0       8     112560        0
        malloc-256    256     248     187       66131       0      62     111360        0
      malloc-32768  32768       3       0           3       0       1      98304        0
            pcpu-8      8    4843    7445       57567       0     254      98304        0
             g_bio    408       0     240      628871       0      30      97920        0
              pipe    728      19     113        1915       0      16      96096        0
        malloc-256    256     138     237       85492       0      62      96000        0
       malloc-4096   4096      18       4          92       0       2      90112        0
          UMA Kegs    384     227       6         227       0      30      89472        0
         malloc-64     64     882     441       13166       0     254      84672        0
        malloc-128    128     388     263        3812       0     126      83328        0
        malloc-128    128     352     299       24685       0     126      83328        0
         32 Bucket    256     143     172       13568       0      62      80640        0
        sctp_readq    152       0     520         391       0     254      79040        0
       malloc-8192   8192       8       1          10       0       1      73728        0
        malloc-384    384     160      20         174       0      30      69120        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
       malloc-8192   8192       6       2         107       0       1      65536        0
             Files     80     318     482      110245       0     126      64000        0
sctp_stream_msg_out    112     109     431        1047       0     254      60480        0
         malloc-32     32     887    1003       37430       0     254      60480        0
       malloc-8192   8192       2       5          73       0       1      57344        0
           VMSPACE    520      56      49       25228       0      16      54600        0
     udplite_inpcb    424       0     126         307       0      30      53424        0
         udp_inpcb    424       6     120         435       0      30      53424        0
         malloc-64     64     152     667      366446       0     254      52416        0
         malloc-64     64     486     333        1179       0     254      52416        0
         malloc-16     16    1606    1644       70233       0     254      52000        0
        malloc-128    128      30     373        2198       0     126      51584        0
        malloc-128    128     171     232        4679       0     126      51584        0
        malloc-256    256      59     136       31949       0      62      49920        0
             ripcb    392       4     122         463       0      30      49392        0
      tcp_rack_pcb   1024       0      48        4454       0      16      49152        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48      160569       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
      malloc-16384  16384       0       3         160       0       1      49152        0
       malloc-8192   8192       5       1          31       0       1      49152        0
       malloc-1024   1024      10      38        2764       0      16      49152        0
        malloc-512    512      10      86         627       0      30      49152        0
            da_ccb    544       0      84      157346       0      16      45696        0
       tcp_bbr_pcb    832       0      54        1172       0      16      44928        0
               PWD     40      36    1075       24150       0     254      44440        0
          syncache    168       0     264           4       0     254      44352        0
       malloc-4096   4096       0      10        4454       0       2      40960        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64      43     524         414       0     254      36288        0
         malloc-64     64      92     475       25970       0     254      36288        0
         malloc-64     64     264     303         392       0     254      36288        0
         malloc-64     64     269     298        6433       0     254      36288        0
         malloc-32     32     388     746       50978       0     254      36288        0
         16 Bucket    144     100     152        7407       0      62      36288        0
          8 Bucket     80     103     347        6330       0     126      36000        0
      tcp_rack_map    128       0     279       11588       0     126      35712        0
        malloc-128    128      27     252         171       0     126      35712        0
     routing nhops    256      24     111          47       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
         TURNSTILE    136     210      42         210       0      62      34272        0
        SLEEPQUEUE     88     210     174         210       0     126      33792        0
       malloc-2048   2048       4      12       24845       0       8      32768        0
       malloc-2048   2048       2      14          47       0       8      32768        0
       malloc-2048   2048       5      11          45       0       8      32768        0
       malloc-2048   2048       0      16          50       0       8      32768        0
       malloc-2048   2048       2      14         286       0       8      32768        0
       malloc-1024   1024      11      21         147       0      16      32768        0
       malloc-1024   1024       4      28           8       0      16      32768        0
       malloc-1024   1024       4      28         153       0      16      32768        0
       malloc-1024   1024      10      22          10       0      16      32768        0
       malloc-1024   1024       1      31          21       0      16      32768        0
        malloc-512    512       2      62        1435       0      30      32768        0
        malloc-512    512       0      64         138       0      30      32768        0
        malloc-512    512      11      53          60       0      30      32768        0
        malloc-512    512       0      64        1754       0      30      32768        0
           pcpu-64     64     486      26         486       0     254      32768        0
             KNOTE    160      22     178      207459       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      31     233         187       0     126      31680        0
            clpbuf   2624       0      12          50       0       4      31488        0
            cpuset    104       8     271        1728       0     126      29016        0
        sctp_laddr     48     229     359        2796       0     254      28224        0
   tcp_inpcb ports     32       2     880        5404       0     254      28224        0
          4 Bucket     48       5     583          10       0     254      28224        0
          2 Bucket     32      79     803       12339       0     254      28224        0
               AIO    208       0     133         144       0      62      27664        0
       malloc-4096   4096       1       5          22       0       2      24576        0
       malloc-4096   4096       2       4        1040       0       2      24576        0
          rl_entry     40     113     493         113       0     254      24240        0
           rtentry    168      28     116          47       0      62      24192        0
        malloc-384    384       0      60         490       0      30      23040        0
        malloc-384    384       0      60         342       0      30      23040        0
        malloc-384    384       1      59           3       0      30      23040        0
         domainset     40       0     567        1292       0     254      22680        0
udplite_inpcb ports     32       0     630          37       0     254      20160        0
   udp_inpcb ports     32       3     627          36       0     254      20160        0
              ertt     72       4     276        6530       0     126      20160        0
         malloc-32     32       9     621        1064       0     254      20160        0
         malloc-32     32      25     605        1131       0     254      20160        0
         malloc-32     32      69     561        1009       0     254      20160        0
         malloc-32     32      53     577         303       0     254      20160        0
         malloc-32     32      71     559        9557       0     254      20160        0
             AIOCB    552       0      35         918       0      16      19320        0
            AIOLIO    272       0      70         134       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-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       1       7           1       0       8      16384        0
        malloc-512    512       1      31           2       0      30      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668      607251       0     254      16032        0
         malloc-16     16     251     749       29113       0     254      16000        0
              kenv    258      16      44        1055       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       1     749         447       0     254      12000        0
         malloc-16     16      26     724        9109       0     254      12000        0
         malloc-16     16      37     713         165       0     254      12000        0
         malloc-16     16     282     468       26334       0     254      12000        0
         malloc-16     16      14     736        7660       0     254      12000        0
       L VFS Cache    320       0      36           1       0      30      11520        0
        malloc-384    384       0      30           1       0      30      11520        0
        malloc-384    384       2      28           2       0      30      11520        0
       Mountpoints   2816       2       2           2       0       4      11264        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       UMA Slabs 1    176      23      22          23       0      62       7920        0
           pcpu-16     16       4     252           4       0     254       4096        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    352       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
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
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
           netlink   2048       0       0           0       0       8          0        0
            itimer    352       0       0           0       0      30          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
           NCLNODE    608       0       0           0       0      16          0        0
        TMPFS node    232       0       0           0       0      62          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
        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-4096   4096       0       0           0       0       2          0        0
        malloc-512    512       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/04 07:25 freebsd-src abe10d21b4ed 74621247 console log report ci-freebsd-main Fatal trap NUM: page fault in nd6_dad_timer
2023/05/24 22:55 freebsd-src c1b6e9121e88 ee50e71c console log report ci-freebsd-i386 Fatal trap NUM: page fault in nd6_dad_timer
* Struck through repros no longer work on HEAD.