syzbot


Fatal trap NUM: page fault in in6_unlink_ifa (2)

Status: auto-closed as invalid on 2022/07/08 14:46
Reported-by: syzbot+f9a14ca5b3f7993071a4@syzkaller.appspotmail.com
First crash: 777d, last: 777d
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
freebsd Fatal trap NUM: page fault in in6_unlink_ifa (4) 1 70d 70d 0/2 upstream: reported on 2024/03/16 21:09
freebsd Fatal trap NUM: page fault in in6_unlink_ifa 1 965d 965d 0/2 auto-closed as invalid on 2022/01/02 02:10
freebsd Fatal trap 12: page fault in in6_unlink_ifa (2) syz 20 1061d 1449d 0/2 closed as invalid on 2021/09/09 13:22
freebsd Fatal trap NUM: page fault in in6_unlink_ifa (3) 1 292d 292d 0/2 auto-obsoleted due to no activity on 2023/11/06 00:40

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0xe0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81b7f6bf
stack pointer	        = 0x28:0xfffffe00900fb1e0
frame pointer	        = 0x28:0xfffffe00900fb2d0
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		= 68353 (syz-executor.0)
trap number		= 12
panic: page fault
cpuid = 0
time = 1649515541
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xfffffe00900fa9f0
kdb_backtrace() at kdb_backtrace+0xd3/frame 0xfffffe00900fab50
vpanic() at vpanic+0x2b8/frame 0xfffffe00900fac30
panic() at panic+0xb5/frame 0xfffffe00900facf0
trap_fatal() at trap_fatal+0x6a4/frame 0xfffffe00900fadf0
trap_pfault() at trap_pfault+0x186/frame 0xfffffe00900faf30
trap() at trap+0x5ad/frame 0xfffffe00900fb110
calltrap() at calltrap+0x8/frame 0xfffffe00900fb110
--- trap 0xc, rip = 0xffffffff81b7f6bf, rsp = 0xfffffe00900fb1e0, rbp = 0xfffffe00900fb2d0 ---
in6_unlink_ifa() at in6_unlink_ifa+0x1ff/frame 0xfffffe00900fb2d0
in6_purgeaddr() at in6_purgeaddr+0xd01/frame 0xfffffe00900fb5d0
in6_purgeifaddr() at in6_purgeifaddr+0x31/frame 0xfffffe00900fb610
if_purgeaddrs() at if_purgeaddrs+0x291/frame 0xfffffe00900fb770
tundtor() at tundtor+0x4c0/frame 0xfffffe00900fb800
devfs_destroy_cdevpriv() at devfs_destroy_cdevpriv+0x168/frame 0xfffffe00900fb840
devfs_close_f() at devfs_close_f+0xbd/frame 0xfffffe00900fb880
_fdrop() at _fdrop+0x58/frame 0xfffffe00900fb8b0
closef() at closef+0x689/frame 0xfffffe00900fba90
fdescfree() at fdescfree+0xaa4/frame 0xfffffe00900fbc70
exit1() at exit1+0x882/frame 0xfffffe00900fbd10
sys_exit() at sys_exit+0x28/frame 0xfffffe00900fbd30
amd64_syscall() at amd64_syscall+0x40c/frame 0xfffffe00900fbf30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00900fbf30
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x2ebdaa, rsp = 0x8211544e8, rbp = 0x8211544f0 ---
KDB: enter: panic
[ thread pid 68353 tid 177243 ]
Stopped at      kdb_enter+0x6b: movq    $0,0x270825a(%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         0xc2110544ba4abe64
rdx         0xdffff7c000000000
rbx                          0
rsp         0xfffffe00900fab30
rbp         0xfffffe00900fab50
rsi                        0x1
rdi                          0
r8                         0x3
r9                  0xffffffff
r10                          0
r11         0xfffffe009969afd0
r12         0xfffffe009969aac0
r13         0xfffffe00900fab01
r14         0xffffffff82bbf280  .str.26
r15         0xffffffff82bbf280  .str.26
rip         0xffffffff8176ffbb  kdb_enter+0x6b
rflags                    0x46
kdb_enter+0x6b: movq    $0,0x270825a(%rip)
db> show proc
Process 68353 (syz-executor.0) at 0xfffffe0056f91000:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 774 at 0xfffffe0056f92000
 ABI: FreeBSD ELF64
 flag: 0x10006000  flag2: 0
 arguments: /root/syz-executor.0 exec
 reaper: 0xfffffe0053ddc000 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0053dea3f0
   (map 0xfffffe0053dea3f0)
   (map.pmap 0xfffffe0053dea4b0)
   (pmap 0xfffffe0053dea518)
 threads: 1
177243                   Run     CPU 0                       syz-executor.0
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
68395 68361   430     0  L      *in6_ifa 0xfffffe0057311180  ifconfig
68361 68354   430     0  S       wait    0xfffffe0099cbea90  sh
68354   430   430     0  S       wait    0xfffffe0099cc2548  sh
68353   774 68353     0  REs     CPU 0                       syz-executor.0
68221     1 68221    65  Ss      select  0xfffffe009984bf40  dhclient
68103   774 68103     0  Ss      piperd  0xfffffe0099cba5d0  syz-executor.2
67658     1 67658     0  Ss      select  0xfffffe0099849440  dhclient
67654     1 67654     0  Ss      select  0xfffffe0056feb1c0  dhclient
67605     1 67605    65  Ss      select  0xfffffe0099848240  dhclient
67059   774 67059     0  Ss      piperd  0xfffffe0099cc42e8  syz-executor.1
66984     1 66984     0  Ss      select  0xfffffe0056fec2c0  dhclient
66980     1 66980     0  Ss      select  0xfffffe0056fc7cc0  dhclient
66800   774 66800     0  Ss      piperd  0xfffffe0058b682e8  syz-executor.3
  774   772   772     0  S       (threaded)                  syz-fuzzer
100089                   S       uwait   0xfffffe0056f46980  syz-fuzzer
100118                   S       uwait   0xfffffe005788c380  syz-fuzzer
100119                   S       uwait   0xfffffe005788c480  syz-fuzzer
100120                   S       kqread  0xfffffe0056fc9c00  syz-fuzzer
100121                   S       uwait   0xfffffe008fe2bc80  syz-fuzzer
100122                   S       uwait   0xfffffe005788c680  syz-fuzzer
100123                   S       uwait   0xfffffe005788c780  syz-fuzzer
100124                   S       uwait   0xfffffe008fe2bd80  syz-fuzzer
100125                   S       uwait   0xfffffe008fe2be80  syz-fuzzer
  772   770   772     0  Ss      pause   0xfffffe0056f915f8  csh
  770   688   770     0  Ss      select  0xfffffe0056fecd40  sshd
  754     1   754     0  Ss+     ttyin   0xfffffe00081f10b0  getty
  753     1   753     0  Ss+     ttyin   0xfffffe00081efcb0  getty
  752     1   752     0  Ss+     ttyin   0xfffffe0057a818b0  getty
  751     1   751     0  Ss+     ttyin   0xfffffe0057a81cb0  getty
  750     1   750     0  Ss+     ttyin   0xfffffe00081f00b0  getty
  749     1   749     0  Ss+     ttyin   0xfffffe0057a820b0  getty
  748     1   748     0  Ss+     ttyin   0xfffffe0057a824b0  getty
  747     1   747     0  Ss+     ttyin   0xfffffe0057a828b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0057a82cb0  getty
  692     1   692     0  Ss      nanslp  0xffffffff83e458c1  cron
  688     1   688     0  Ss      select  0xfffffe00578a4940  sshd
  501     1   501     0  Ds      bo_wwai 0xfffffe00928874e8  syslogd
  430     1   430     0  Ss      wait    0xfffffe0058b54a90  devd
  429     1   429    65  Ss      select  0xfffffe0056fc4ac0  dhclient
  344     1   344     0  Ss      select  0xfffffe0056fed240  dhclient
  341     1   341     0  Ss      select  0xfffffe0056fed340  dhclient
   17     0     0     0  DL      syncer  0xffffffff83f6b0e0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0056f93a90  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       psleep  0xffffffff83f696e0  [bufdaemon]
100081                   D       -       0xffffffff83211f80  [bufspacedaemon-0]
100096                   D       sdflush 0xfffffe0058635ce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83f9d1c0  [vmdaemon]
    8     0     0     0  RL      (threaded)                  [pagedaemon]
100078                   RunQ                                [dom0]
100082                   D       launds  0xffffffff83f91084  [laundry: dom0]
100083                   D       umarcl  0xffffffff81ea9c10  [uma]
    7     0     0     0  DL      -       0xffffffff83c01688  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff848f1530  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8472c4a0  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff83aa35c0  [doneq0]
100046                   D       -       0xffffffff83aa3540  [async]
100077                   D       -       0xffffffff83aa33c0  [scanner]
   14     0     0     0  DL      seqstat 0xfffffe0007967888  [sequencer 00]
    3     0     0     0  DL      (threaded)                  [crypto]
100041                   D       crypto_ 0xffffffff83f8c880  [crypto]
100042                   D       crypto_ 0xfffffe0053eb5d30  [crypto returns 0]
100043                   D       crypto_ 0xfffffe0053eb5d80  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83e1ae80  [g_event]
100037                   D       -       0xffffffff83e1aea0  [g_up]
100038                   D       -       0xffffffff83e1aec0  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100030                   I                                   [clock (0)]
100031                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100010                   I                                   [swi6: Giant taskq]
100017                   I                                   [swi5: fast taskq]
100020                   I                                   [swi6: task queue]
100029                   I                                   [swi1: netisr 0]
100032                   I                                   [swi3: busdma]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   RunQ                                [irq27: virtio_pci0]
100051                   I                                   [irq28: virtio_pci1]
100052                   I                                   [irq29: virtio_pci1]
100053                   I                                   [irq30: virtio_pci1]
100054                   I                                   [irq31: virtio_pci1]
100055                   I                                   [irq32: virtio_pci1]
100060                   I                                   [irq33: virtio_pci2]
100061                   I                                   [irq34: virtio_pci2]
100062                   I                                   [irq35: virtio_pci2]
100064                   I                                   [irq1: atkbd0]
100065                   I                                   [irq12: psm0]
100066                   RunQ                                [swi0: uart uart++]
100070                   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    0xfffffe0053ddc000  [init]
   10     0     0     0  DL      audit_w 0xffffffff83f8d380  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       swapin  0xffffffff83e1b8c0  [swapper]
100005                   D       -       0xfffffe0007973100  [softirq_0]
100006                   D       -       0xfffffe0007973000  [softirq_1]
100007                   D       -       0xfffffe0007972e00  [if_io_tqg_0]
100008                   D       -       0xfffffe0007972d00  [if_io_tqg_1]
100009                   D       -       0xfffffe0007972c00  [if_config_tqg_0]
100011                   D       -       0xfffffe0007972a00  [aiod_kick taskq]
100012                   D       -       0xfffffe0007972900  [inm_free taskq]
100013                   D       -       0xfffffe0007972800  [linuxkpi_irq_wq]
100014                   D       -       0xfffffe0007972700  [in6m_free taskq]
100015                   D       -       0xfffffe0007972600  [deferred_unmount ta]
100016                   D       -       0xfffffe0007972500  [thread taskq]
100018                   D       -       0xfffffe0007972300  [pci_hp taskq]
100019                   D       -       0xfffffe0007972200  [kqueue_ctx taskq]
100021                   D       -       0xfffffe0007972000  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe0007972000  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe0007972000  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe0007972000  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe0007971e00  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe0007971e00  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe0007971e00  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe0007971e00  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe0007971d00  [firmware taskq]
100039                   D       -       0xfffffe0007971b00  [crypto_0]
100040                   D       -       0xfffffe0007971b00  [crypto_1]
100056                   D       -       0xfffffe0056fcae00  [vtnet0 rxq 0]
100057                   D       -       0xfffffe0056fcad00  [vtnet0 txq 0]
100058                   D       -       0xfffffe0056fcac00  [vtnet0 rxq 1]
100059                   D       -       0xfffffe0056fcab00  [vtnet0 txq 1]
100063                   D       vtbslp  0xfffffe0056fc5000  [virtio_balloon]
100067                   D       -       0xffffffff82bc5100  [deadlkres]
100071                   D       -       0xfffffe0007973200  [mca taskq]
100072                   D       -       0xfffffe0058604500  [acpi_task_0]
100073                   D       -       0xfffffe0058604500  [acpi_task_1]
100074                   D       -       0xfffffe0058604500  [acpi_task_2]
100076                   D       -       0xfffffe0007971900  [CAM taskq]
db> show all locks
Process 68353 (syz-executor.0) thread 0xfffffe009969aac0 (177243)
exclusive rm in6_ifaddr_lock (in6_ifaddr_lock) r = 0 (0xffffffff83f88ec0) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6.c:1403
Process 501 (syslogd) thread 0xfffffe0058b5a020 (100097)
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe00928873f0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_syscalls.c:3562
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
          tcp_hpts            6         4801K            6
            devbuf         4217         4323K         4245
         sysctloid        35306         2080K        35377
             vtbuf           24         1968K           46
              kobj          327         1308K          488
            newblk          124         1055K        74427
          vfscache            3         1025K            3
          inodedep          341          640K        71548
               pcb           21          537K        20673
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            3          280K            8
           subproc          132          231K        68486
            acpica         1674          184K        56014
          routetbl         5296          177K        15960
           pagedep          171          171K        66588
         vnet_data            1          168K            1
           tidhash            3          141K            3
            linker          358          134K          386
        tfo_ccache            1          128K            1
            DEVFS1          109          109K          462
               sem            4          106K            4
               bus          991           81K         5140
          filedesc           10           73K       133905
          mtx_pool            2           72K            2
          syncache            1           68K            1
            module          512           64K          512
          acpitask            1           64K            1
       ddb_capture            1           64K            1
               BPF           30           53K          206
              umtx          374           47K          374
           kdtrace          208           43K       145894
              temp           34           33K        17646
            DEVFS3          128           32K          250
         hostcache            1           32K            1
               shm            1           32K          275
            diradd          252           32K        71242
               msg            4           30K            4
        gtaskqueue           18           26K           18
             mkdir          174           22K       133134
            kbdmux            6           22K            6
            dirrem           82           21K        70754
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K         1092
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread          100           16K          100
         newdirblk          118           15K        66568
            bus-sc           34           15K         1651
            KTRACE          101           13K       163478
             ifnet            7           13K          119
              kenv           95           12K           95
         sctp_timw           45           12K           45
           lltable           38           12K          970
      eventhandler          134           12K          134
          freefile           83           11K        70750
              rman           88           11K          431
              GEOM           61           11K          490
         CAM queue            5           11K         1528
       ether_multi          124           10K         3385
              ksem            4           10K          227
         bmsafemap            2            9K        71389
              UART           12            9K           12
           devstat            4            9K            4
               rpc            2            8K            2
             shmfd            1            8K         2007
       pfs_vncache            1            8K            1
         pfs_nodes           20            8K           20
     audit_evclass          237            8K          296
         in6_multi           55            8K         1229
              cred           28            7K         3107
         taskqueue           63            7K           63
            sglist            5            7K            5
           CAM DEV            3            6K          510
            plimit           22            6K         1373
            kqueue           52            6K        96019
       ufs_dirhash           27            6K           30
               UMA          272            5K          272
          pf_ifnet           10            5K          579
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
            DEVFSP           64            4K         6464
             evdev            4            4K            4
           session           29            4K         1180
           acpisem           28            4K           28
             hhook           15            4K           17
          kcovinfo           52            4K         1508
         proc-args           82            4K        73416
           pwddesc           49            4K        68404
             lockf           27            3K         2065
            ip6ndp           16            3K          248
          terminal           11            3K           11
           uidinfo            3            3K          294
             selfd           33            3K       891303
        local_apic            1            2K            1
           io_apic            1            2K            1
       fpukern_ctx            2            2K            2
         ipsec-saq            2            2K            2
            Unitno           29            2K          731
            select           13            2K          111
           CAM XPT           22            2K          543
               msi           12            2K           12
          sctp_ifa           11            2K          243
          freework            5            2K        67370
       ipsecpolicy            2            2K            2
          in_multi            5            2K          120
           acpidev           20            2K           20
             clone            9            2K            9
               tun            7            2K          119
           softdep            1            1K            1
          freeblks            4            1K        66774
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           86
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
               mld            6            1K          118
              igmp            6            1K          118
         toponodes            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifn            5            1K          243
            crypto            4            1K            4
 encap_export_host           12            1K           12
              pfil            4            1K            4
              cdev            2            1K            2
       inpcbpolicy           14            1K        48386
               osd            8            1K        15956
    chacha20random            1            1K            1
          procdesc            3            1K           44
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
            CC Mem            4            1K        20408
            vnodes            1            1K            1
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            6
            prison            6            1K            6
       lkpikmalloc            5            1K            6
        aesni_data            2            1K            2
         cryptodev            2            1K           42
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          CAM path            4            1K         1034
          pmchooks            1            1K            1
            soname            4            1K        51356
          sctp_vrf            1            1K            1
              vnet            1            1K            1
           entropy            2            1K          166
               pmc            1            1K            1
          acpiintr            1            1K            1
          filecaps            3            1K          217
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
            mqdata            0            0K            0
            tcp_do            0            0K            0
           tcp_fsb            0            0K           56
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
           pf_temp            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K         3152
         sctp_iter            0            0K          351
         sctp_mvrf            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         9124
         sctp_atky            0            0K         9546
         sctp_atcl            0            0K         8948
         sctp_a_it            0            0K          351
         sctp_aadr            0            0K            0
         sctp_stro            0            0K          598
         sctp_stri            0            0K            0
          sctp_map            0            0K         1196
            ipcomp            0            0K            0
               esp            0            0K            0
                ah            0            0K            0
           filemon            0            0K         4812
     NFSCL session            0            0K            0
     NFSCL sockreq            0            0K            0
        madt_table            0            0K            2
          smartpqi            0            0K            0
     NFSCL devinfo            0            0K            0
     NFSCL flayout            0            0K            0
      NFSCL layout            0            0K            0
               ixl            0            0K            0
     NFSD rollback            0            0K            0
      NFSCL diroff            0            0K            0
       NEWdirectio            0            0K            0
        NEWNFSnode            0            0K            0
         NFSCL lck            0            0K            0
      NFSCL lckown            0            0K            0
      NFSCL client            0            0K            0
        ice-resmgr            0            0K            0
         ice-osdep            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8323    1075       73504       0     254   38494208        0
              mbuf    256    8849     814      328845       0     254    2473728        0
              pbuf   2624       0     794           0       0       2    2083456        0
        malloc-384    384     340    4250       71726       0      30    1762560        0
          BUF TRIE    144     208   11580        1992       0      62    1697472        0
        malloc-384    384    4165      35        4165       0      30    1612800        0
       malloc-4096   4096     378      12       69031       0       2    1597440        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11634      84       11752       0     126    1499904        0
        malloc-256    256     330    4635      134314       0      62    1271040        0
       UMA Slabs 0    112   11276      22       11276       0     126    1265376        0
        malloc-256    256     236    4549       90015       0      62    1224960        0
         sctp_asoc   2256       0     510         598       0     254    1150560        0
         FFS inode   1160     966      21       71859       0       8    1144920        0
            DEVCTL   1024    1000     100        1283       0       0    1126400        0
         vmem btag     56   19838      73       19838       0     254    1115016        0
       malloc-8192   8192       3     131        4816       0       1    1097728        0
        RADIX NODE    144    6148     511     1496416       0      64     958896        0
             tcpcb   1104       4     759       15945       0     254     842352        0
         VM OBJECT    264    2536     269     1483727       0      31     740520        0
            socket    960      31     733       63477       0     254     733440        0
           sctp_ep   1208       0     510        8350       0     254     616080        0
        malloc-128    128      84    4597       71721       0     126     599168        0
             VNODE    448    1005      75       72012       0      30     483840        0
        256 Bucket   2048     190      18        1858       0       8     425984        0
            lkpimm    168       1    2327           1       0      62     391104        0
          lkpicurr    168       2    2326           2       0      62     391104        0
        sctp_raddr    736       0     517         598       0     254     380512        0
            THREAD   1808     157      30       77489       0       8     338096        0
      malloc-65536  65536       5       0           5       0       1     327680        0
       malloc-2048   2048       9     143        9731       0       8     311296        0
         MAP ENTRY     96    2363     787     3533900       0     126     302400        0
         malloc-64     64    3865     230        3867       0     254     262080        0
       FFS2 dinode    256     966      39       71859       0      62     257280        0
         malloc-16     16   14605     145       15012       0     254     236000        0
        malloc-128    128    1519     248      164129       0     126     226176        0
           tcp_log    416       0     513          15       0     254     213408        0
      malloc-16384  16384       5       8       66895       0       2     212992        0
        malloc-256    256     211     599       76353       0      62     207360        0
      malloc-65536  65536       3       0           3       0       1     196608        0
       mbuf_packet    256      63     699       73903       0     254     195072        0
         UMA Zones    768     244       0         244       0      16     187392        0
         malloc-32     32    5269     401        5501       0     254     181440        0
         malloc-32     32    5317     353        5618       0     254     181440        0
     FPU_save_area    832     159      57       82789       0      16     179712        0
        128 Bucket   1024     107      56       14962       0      16     166912        0
         64 Bucket    512     242      78       56005       0      30     163840        0
        malloc-128    128    1003     268      142505       0     126     162688        0
       S VFS Cache    104    1136     385       81062       0     126     158184        0
         tcp_inpcb    424       4     356       15945       0      30     152640        0
           VMSPACE   2552      33      21       68385       0       4     137808        0
      malloc-65536  65536       0       2         542       0       1     131072        0
      malloc-65536  65536       0       2         144       0       1     131072        0
       malloc-1024   1024     121       7        1478       0      16     131072        0
             unpcb    256      14     496        6446       0     254     130560        0
             g_bio    408       8     292       16447       0      30     122400        0
              pipe    744      20     140       21208       0      16     119040        0
          ksiginfo    112      71     973        5393       0     126     116928        0
         32 Bucket    256     246     189       20037       0      62     111360        0
              PROC   1352      49      32       68403       0       8     109512        0
        malloc-384    384      84     186        9555       0      30     103680        0
         malloc-64     64     786     789      977841       0     254     100800        0
        malloc-128    128     695      80        7752       0     126      99200        0
       malloc-4096   4096      14      10          46       0       2      98304        0
         udp_inpcb    424       7     209       16340       0      30      91584        0
         filedesc0   1072      50      34       68404       0       8      90048        0
          UMA Kegs    384     230       3         230       0      30      89472        0
         malloc-64     64     690     633      137860       0     254      84672        0
        malloc-256    256     201     114       67947       0      62      80640        0
     udplite_inpcb    424       0     180       12268       0      30      76320        0
       malloc-8192   8192       9       0           9       0       1      73728        0
       malloc-8192   8192       7       2         110       0       1      73728        0
       malloc-4096   4096      15       3          35       0       2      73728        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       0       2         120       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-16384  16384       4       0           4       0       1      65536        0
       malloc-2048   2048      12      20        1858       0       8      65536        0
       malloc-1024   1024      21      43         551       0      16      65536        0
        malloc-256    256      73     182       73133       0      62      65280        0
             ripcb    424       3     150        3833       0      30      64872        0
             Files     80     191     609      248400       0     126      64000        0
sctp_stream_msg_out    112       0     540         345       0     254      60480        0
       malloc-4096   4096      10       4         558       0       2      57344        0
            da_ccb    544       2      96        4230       0      16      53312        0
         malloc-64     64     162     657        5754       0     254      52416        0
        malloc-128    128      38     365        4475       0     126      51584        0
        malloc-256    256      10     185      134145       0      62      49920        0
           DIRHASH   1024      37      11          39       0      16      49152        0
             NAMEI   1024       0      48      401939       0      16      49152        0
      malloc-16384  16384       1       2         161       0       1      49152        0
       malloc-2048   2048       6      18         119       0       8      49152        0
       malloc-2048   2048       1      23         542       0       8      49152        0
       malloc-2048   2048       3      21         277       0       8      49152        0
        malloc-512    512       3      93        7448       0      30      49152        0
      tcp_log_node    120       0     396         720       0     126      47520        0
        malloc-384    384      34      86         872       0      30      46080        0
            pcpu-8      8    4658     974       23144       0     254      45056        0
          syncache    168       0     264           4       0     254      44352        0
            clpbuf   2624       0      16          26       0      16      41984        0
        sctp_chunk    152       0     260           1       0     254      39520        0
       Mountpoints   2752       2      12           2       0       4      38528        0
               PWD     32      15    1119       66434       0     254      36288        0
         malloc-64     64      42     525       37295       0     254      36288        0
         malloc-64     64      26     541         134       0     254      36288        0
         malloc-64     64      11     556        1916       0     254      36288        0
         malloc-64     64      57     510       68426       0     254      36288        0
         malloc-32     32     384     750      129707       0     254      36288        0
        malloc-128    128      98     181        5224       0     126      35712        0
        malloc-128    128      26     253         189       0     126      35712        0
     routing nhops    256      23     112         493       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-384    384      55      35         998       0      30      34560        0
        malloc-256    256      25     110        3454       0      62      34560        0
        malloc-256    256       7     128        2161       0      62      34560        0
         TURNSTILE    136     188      64         188       0      62      34272        0
        SLEEPQUEUE     88     188     196         188       0     126      33792        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       2       0          17       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-4096   4096       2       6       66685       0       2      32768        0
       malloc-4096   4096       1       7         408       0       2      32768        0
       malloc-2048   2048       1      15         575       0       8      32768        0
       malloc-1024   1024       2      30          70       0      16      32768        0
       malloc-1024   1024      19      13        6460       0      16      32768        0
       malloc-1024   1024       2      30         604       0      16      32768        0
       malloc-1024   1024       3      29          26       0      16      32768        0
       malloc-1024   1024       1      31        2007       0      16      32768        0
        malloc-512    512       0      64          14       0      30      32768        0
        malloc-512    512      11      53         165       0      30      32768        0
        malloc-512    512       0      64        5678       0      30      32768        0
        malloc-512    512       7      57          23       0      30      32768        0
           pcpu-64     64     492      20         492       0     254      32768        0
    ertt_txseginfo     40       0     808       86336       0     254      32320        0
      tcp_rack_pcb    896       0      36          56       0      16      32256        0
             KNOTE    160      26     174      524483       0      62      32000        0
            ttyinq    160     135      65         300       0      62      32000        0
       tcp_bbr_pcb    832       0      36          90       0      16      29952        0
            cpuset    104       7     272           7       0     126      29016        0
        sctp_laddr     48       0     588         472       0     254      28224        0
             udpcb     32       7     875       28608       0     254      28224        0
   tcp_inpcb ports     32       2     880         678       0     254      28224        0
udplite_inpcb ports     32       0     882        2234       0     254      28224        0
   udp_inpcb ports     32       3     879        2057       0     254      28224        0
              ertt     72       4     388       15945       0     126      28224        0
         16 Bucket    144      72     124        1237       0      62      28224        0
          4 Bucket     48       9     579        1380       0     254      28224        0
          2 Bucket     32     127     755        7602       0     254      28224        0
           rtentry    176      26     112         493       0      62      24288        0
    tcp_log_bucket    176       0     138          37       0      62      24288        0
              PGRP     88      29     247        1180       0     126      24288        0
          rl_entry     40      86     520          86       0     254      24240        0
          8 Bucket     80      65     235       10610       0     126      24000        0
        malloc-384    384      11      49          11       0      30      23040        0
         hostcache     64       1     314           1       0     254      20160        0
         malloc-32     32      33     597        1513       0     254      20160        0
         malloc-32     32      10     620       67676       0     254      20160        0
         malloc-32     32     132     498       23697       0     254      20160        0
         malloc-32     32      65     565        1517       0     254      20160        0
         malloc-32     32       7     623          11       0     254      20160        0
 epoch_record pcpu    256       4      60           4       0      62      16384        0
       malloc-8192   8192       0       2          28       0       1      16384        0
       malloc-8192   8192       2       0           2       0       1      16384        0
       malloc-2048   2048       0       8          12       0       8      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-1024   1024       4      12           5       0      16      16384        0
        malloc-512    512       0      32         118       0      30      16384        0
        malloc-512    512       2      30           2       0      30      16384        0
        malloc-512    512       0      32           1       0      30      16384        0
           SMR CPU     32       7     504           7       0     254      16352        0
      vtnet_tx_hdr     24       0     668       91324       0     254      16032        0
         malloc-16     16     510     490       34307       0     254      16000        0
         malloc-16     16      51     949       76580       0     254      16000        0
              kenv    258      15      45        1079       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      57     693       76681       0     254      12000        0
         malloc-16     16      11     739          43       0     254      12000        0
         malloc-16     16      38     712        3141       0     254      12000        0
         malloc-16     16       6     744        9170       0     254      12000        0
        malloc-384    384       0      30           1       0      30      11520        0
        malloc-384    384       0      30          28       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       0       2           2       0       2       8192        0
       malloc-4096   4096       0       2           1       0       2       8192        0
           pcpu-16     16      14     498          14       0     254       8192        0
         malloc-16     16       0     500           2       0     254       8000        0
       UMA Slabs 1    176      10      12          10       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    136       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    312       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags     56       0       0           0       0     254          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_map    120       0       0           0       0     126          0        0
               ipq     56       0       0           0       0     254          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
             tcptw     72       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_readq    152       0       0           0       0     254          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
            itimer    352       0       0           0       0      30          0        0
            AIOLIO    272       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
              AIOP     32       0       0           0       0     254          0        0
               AIO    208       0       0           0       0      62          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    224       0       0           0       0      62          0        0
           NCLNODE    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    120       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      64          0        0
            mdpbuf   2624       0       0           0       0       3          0        0
           nfspbuf   2624       0       0           0       0      16          0        0
            swwbuf   2624       0       0           0       0       8          0        0
            swrbuf   2624       0       0           0       0      16          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-8192   8192       0       0           0       0       1          0        0
           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 (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/04/09 14:46 freebsd-src 0d46a96abffe 7c337266 console log report ci-freebsd-main Fatal trap NUM: page fault in in6_unlink_ifa
* Struck through repros no longer work on HEAD.