syzbot


Fatal trap NUM: page fault in in6m_disconnect_locked

Status: upstream: reported syz repro on 2024/08/17 23:00
Reported-by: syzbot+35b335a5099736421bec@syzkaller.appspotmail.com
First crash: 47d, last: 29d

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff81a07b98
stack pointer	        = 0x28:0x
fffffe0056fe74e0
frame pointer	        = 0x28:0xfffffe0056fe7550
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		= 5870 (syz-executor)
rdi: 0000000000000000 rsi: 0000000000000000 rdx: 000000000b0e483a
rcx: fffffe00033eee30  r8: 0000000000000000  r9: 0000000000000000
rax: fffffe00033eee30 rbx: 0000000000000000 rbp: fffffe0056fe7550
r10: 0000000000000001 r11: 0000000000000000 r12: fffffe0058724000
r13: fffffe005847b580 r14: fffffe005847b5a4 r15: fffffe00587241d0
trap number		= 12
panic: page fault
cpuid = 1
time = 1725444650
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056fe6c10
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056fe6d70
vpanic() at vpanic+0x280/frame 0xfffffe0056fe6f30
panic() at panic+0xb5/frame 0xfffffe0056fe6ff0
trap_fatal() at trap_fatal+0x7f2/frame 0xfffffe0056fe7110
trap_pfault() at trap_pfault+0x179/frame 0xfffffe0056fe7230
trap() at trap+0x648/frame 0xfffffe0056fe7410
calltrap() at calltrap+0x8/frame 0xfffffe0056fe7410
--- trap 0xc, rip = 0xffffffff81a07b98, rsp = 0xfffffe0056fe74e0, rbp = 0xfffffe0056fe7550 ---
in6m_disconnect_locked() at in6m_disconnect_locked+0x108/frame 0xfffffe0056fe7550
in6_leavegroup_locked() at in6_leavegroup_locked+0x1ef/frame 0xfffffe0056fe7680
ip6_freemoptions() at ip6_freemoptions+0x28d/frame 0xfffffe0056fe76e0
in_pcbfree() at in_pcbfree+0x711/frame 0xfffffe0056fe7730
sorele_locked() at sorele_locked+0x1ca/frame 0xfffffe0056fe7770
soclose() at soclose+0x41f/frame 0xfffffe0056fe7860
_fdrop() at _fdrop+0x58/frame 0xfffffe0056fe7890
closef() at closef+0x655/frame 0xfffffe0056fe7a70
fdescfree() at fdescfree+0xa99/frame 0xfffffe0056fe7c50
exit1() at exit1+0x860/frame 0xfffffe0056fe7cf0
sys_exit() at sys_exit+0x28/frame 0xfffffe0056fe7d10
amd64_syscall() at amd64_syscall+0x4cb/frame 0xfffffe0056fe7f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056fe7f30
--- syscall (1, FreeBSD ELF64, exit), rip = 0x39a86a, rsp = 0x820ab3758, rbp = 0x820ab3760 ---
KDB: enter: panic
[ thread pid 5870 tid 100141 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23e30a7(%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         0xffffffff82718920  .str.27
rsp         0xfffffe0056fe6d50
rbp         0xfffffe0056fe6d70
rsi                          0
rdi         0xffffffff82e004c0  panicstr
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe005b2f8740
r13         0xfffffffffffffffd
r14         0xffffffff82718920  .str.27
r15                          0
rip         0xffffffff815b9f6e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x23e30a7(%rip)
db> show proc
Process 5870 (syz-executor) at 0xfffffe005b2d1580:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 5748 at 0xfffffe0007a25ae0
 ABI: FreeBSD ELF64
 flag: 0x10002000  flag2: 0x40000
 arguments: ./syz-executor exec
 reaper: 0xfffffe0007a07040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe005b2ab000
   (map 0xfffffe005b2ab000)
   (map.pmap 0xfffffe005b2ab0c0)
   (pmap 0xfffffe005b2ab130)
 threads: 1
100141                   Run     CPU 1                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 5870  5748  5748     0  RE      CPU 1                       syz-executor
 5869  5645  5645     0  D       in6_mul 0xffffffff83ac1d80  syz-executor
 5863   847   847     0  D       in6_mul 0xffffffff83ac1d80  syz-executor
 5847  5842  5842     0  L      *if_addr 0xfffffe0007bde000  ifconfig
 5842   777  5842     0  S       wait    0xfffffe005b2d0560  syz-executor
 5748   777  5748     0  R                                   syz-executor
 5645   777  5645     0  R                                   syz-executor
 4988  4949  4988     0  Ss      select  0xfffffe0058710ac0  dhclient
 4965     1  4965     0  Ss      select  0xfffffe005847b1c0  dhclient
 4949  4885   424    65  S       select  0xfffffe0058479d40  dhclient
 4885   424   424     0  S       wait    0xfffffe005b2b2560  sh
  898     0     0     0  DL      aiordy  0xfffffe005b2ee560  [aiod5]
  897     0     0     0  DL      aiordy  0xfffffe005b2d25a0  [aiod4]
  896     0     0     0  DL      aiordy  0xfffffe005b2eeac0  [aiod3]
  895     0     0     0  DL      aiordy  0xfffffe005b2ef020  [aiod2]
  892     0     0     0  DL      aiordy  0xfffffe005b2efae0  [aiod1]
  847   777   847     0  R                                   syz-executor
  777   776   774     0  S       select  0xfffffe005847b0c0  syz-executor
  776   774   774     0  S       (threaded)                  syz-execprog
100102                   S       uwait   0xfffffe005847e980  syz-execprog
100110                   S       uwait   0xfffffe00586f8d80  syz-execprog
100111                   S       uwait   0xfffffe00586f7e00  syz-execprog
100112                   S       wait    0xfffffe005b2b3ae0  syz-execprog
100113                   S       uwait   0xfffffe00586f8080  syz-execprog
100115                   S       uwait   0xfffffe005847ec80  syz-execprog
100116                   S       uwait   0xfffffe005847ed80  syz-execprog
100122                   S       kqread  0xfffffe0054348000  syz-execprog
  774   772   774     0  Ss      pause   0xfffffe005b2d00b0  csh
  772   682   772     0  Ss      select  0xfffffe005847af40  sshd
  748     1   748     0  Rs+     CPU 0                       getty
  747     1   747     0  Ss+     ttyin   0xfffffe00595764b0  getty
  746     1   746     0  Ss+     ttyin   0xfffffe0059576cb0  getty
  745     1   745     0  Ss+     ttyin   0xfffffe00595774b0  getty
  744     1   744     0  Ss+     ttyin   0xfffffe0059577cb0  getty
  743     1   743     0  Ss+     ttyin   0xfffffe00543544b0  getty
  742     1   742     0  Ss+     ttyin   0xfffffe0054354cb0  getty
  741     1   741     0  Ss+     ttyin   0xfffffe00543554b0  getty
  740     1   740     0  Ss+     ttyin   0xfffffe0054355cb0  getty
  686     1   686     0  Ss      nanslp  0xffffffff8397e3c0  cron
  682     1   682     0  Ss      select  0xfffffe005847b240  sshd
  495     1   495     0  Ss      select  0xfffffe005847b2c0  syslogd
  424     1   424     0  Ss      wait    0xfffffe0007be6580  devd
  423     1   423    65  Ss      select  0xfffffe00587106c0  dhclient
  338     1   338     0  Ss      select  0xfffffe0058710440  dhclient
  335     1   335     0  Ss      select  0xfffffe0058710f40  dhclient
   17     0     0     0  DL      syncer  0xffffffff83a9bae0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0007a26040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       psleep  0xffffffff83a9a0c0  [bufdaemon]
100083                   D       -       0xffffffff82e02140  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe00580114e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83ae57a0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100078                   D       psleep  0xffffffff83acb738  [dom0]
100081                   D       launds  0xffffffff83acb744  [laundry: dom0]
100082                   D       umarcl  0xffffffff81d67c00  [uma]
    7     0     0     0  DL      -       0xffffffff836fbb70  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff847dd8b0  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff845dea00  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100045                   D       -       0xffffffff836c6340  [doneq0]
100046                   D       -       0xffffffff836c62c0  [async]
100077                   D       -       0xffffffff836c6140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83ac6f20  [crypto]
100043                   D       crypto_ 0xfffffe0057f78030  [crypto returns 0]
100044                   D       crypto_ 0xfffffe0057f78080  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00085f6488  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100036                   D       -       0xffffffff83926d40  [g_event]
100037                   D       -       0xffffffff83926d60  [g_up]
100038                   D       -       0xffffffff83926d80  [g_down]
    2     0     0     0  LL      (threaded)                  [clock]
100030                   L      *in6_mul 0xfffffe0007a039c0  [clock (0)]
100031                   I                                   [clock (1)]
   12     0     0     0  WL      (threaded)                  [intr]
100012                   I                                   [swi6: task queue]
100013                   I                                   [swi6: Giant taskq]
100015                   I                                   [swi5: fast taskq]
100032                   I                                   [swi1: netisr 0]
100033                   I                                   [swi1: hpts]
100034                   I                                   [swi1: hpts]
100047                   I                                   [irq24: virtio_pci0]
100048                   I                                   [irq25: virtio_pci0]
100049                   I                                   [irq26: virtio_pci0]
100050                   I                                   [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                   I                                   [swi0: uart uart++]
100070                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0007a07040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ac7980  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c12ff0  [swapper]
100005                   D       -       0xfffffe00085fba00  [softirq_0]
100006                   D       -       0xfffffe00085fb800  [softirq_1]
100007                   D       -       0xfffffe00085fb600  [if_io_tqg_0]
100008                   D       -       0xfffffe00085fb400  [if_io_tqg_1]
100009                   D       -       0xfffffe00085fb200  [if_config_tqg_0]
100010                   D       -       0xfffffe00085fb000  [pci_hp taskq]
100011                   D       -       0xfffffe00085fad00  [kqueue_ctx taskq]
100014                   D       -       0xfffffe00085fa700  [thread taskq]
100016                   D       -       0xfffffe00085fa300  [aiod_kick taskq]
100017                   D       -       0xfffffe00085fa100  [deferred_unmount ta]
100018                   D       -       0xfffffe00085f9e00  [inm_free taskq]
100019                   D       -       0xfffffe00085f9c00  [in6m_free taskq]
100020                   D       -       0xfffffe00085f9a00  [linuxkpi_irq_wq]
100021                   D       -       0xfffffe00085f9800  [linuxkpi_short_wq_0]
100022                   D       -       0xfffffe00085f9800  [linuxkpi_short_wq_1]
100023                   D       -       0xfffffe00085f9800  [linuxkpi_short_wq_2]
100024                   D       -       0xfffffe00085f9800  [linuxkpi_short_wq_3]
100025                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_0]
100026                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_1]
100027                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_2]
100028                   D       -       0xfffffe00085f9300  [linuxkpi_long_wq_3]
100035                   D       -       0xfffffe00085f8400  [firmware taskq]
100040                   D       -       0xfffffe0057f2d200  [crypto_0]
100041                   D       -       0xfffffe0057f2d200  [crypto_1]
100056                   D       -       0xfffffe00085fc300  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00085fc200  [vtnet0 txq 0]
100058                   D       -       0xfffffe005836c500  [vtnet0 rxq 1]
100059                   D       -       0xfffffe005836c400  [vtnet0 txq 1]
100063                   D       vtbslp  0xfffffe0058350600  [virtio_balloon]
100067                   D       -       0xffffffff8271db60  [deadlkres]
100071                   D       -       0xfffffe00586fe300  [acpi_task_0]
100072                   D       -       0xfffffe00586fe300  [acpi_task_1]
100073                   D       -       0xfffffe00586fe300  [acpi_task_2]
100075                   D       -       0xfffffe00085fc100  [mca taskq]
100076                   D       -       0xfffffe0057f2cb00  [CAM taskq]
 5865  5863   847     0  Z                                   syz-executor
 5871  5870  5748     0  Z                                   syz-executor
 5872  5869  5645     0  Z                                   syz-executor
db> show all locks
Process 5870 (syz-executor) thread 0xfffffe005b2f8740 (100141)
exclusive sleep mutex if_addr_lock (if_addr_lock) r = 0 (0xfffffe00587241a0) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6_mcast.c:1401
exclusive sleep mutex in6_multi_list_mtx (in6_multi_list_mtx) r = 0 (0xffffffff83ac1d40) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6_mcast.c:1387
exclusive sx in6_multi_sx (in6_multi_sx) r = 0 (0xffffffff83ac1d80) locked @ /syzkaller/managers/main/kernel/sys/netinet6/in6_mcast.c:1330
Process 5847 (ifconfig) thread 0xfffffe005b30c000 (100154)
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 1 (0xffffffff83a9c280) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:1098
Process 748 (getty) thread 0xfffffe005b2af000 (100101)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffffe005849c008) locked @ /syzkaller/managers/main/kernel/sys/kern/tty.c:217
Process 2 (clock) thread 0xfffffe0007a19000 (100030)
shared rw vnet_rwlock (vnet_rwlock) r = 0 (0xffffffff83a9ffc0) locked @ /syzkaller/managers/main/kernel/sys/netinet6/mld6.c:1304
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            5        11524K            5
            linker          375         5007K          485
          tcp_hpts            7         4801K            7
            devbuf         4192         4324K         4220
         sysctloid        34913         2057K        34984
             vtbuf           24         1968K           46
            newblk         1542         1410K         4152
              kobj          329         1316K          493
          vfscache            3         1025K            3
          inodedep          608          740K         2648
               pcb           24          669K           61
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          136          262K         5951
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          100          200K          100
            acpica         1674          184K        61482
              vmem            5          144K            6
           tidhash            3          141K            3
            dirrem          555          139K         2495
           pagedep           42          139K         2518
          filedesc           18          137K         9991
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          112          112K          135
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus          995           82K         5165
          mtx_pool            2           72K            2
          freefile          555           70K         2485
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          518           65K          518
       ddb_capture            1           64K            1
           kdtrace          206           41K         6034
              umtx          304           38K          304
              temp           31           37K         2172
               BPF           21           36K           25
         hostcache            1           32K            1
               shm            1           32K            1
            DEVFS3          128           32K          141
               msg            4           30K            4
            kbdmux            6           28K            6
               LRO           22           23K           30
          routetbl          259           20K          835
        DEVFS_RULE           56           20K           56
            ifaddr           65           18K           96
         ufs_mount            4           17K            5
              proc            3           17K            3
               tty           16           16K           16
           ithread           97           16K           97
            bus-sc           34           15K         1687
      eventhandler          163           14K          163
          freework           50           13K         2485
          freeblks           49           13K         2484
             ifnet            7           13K           10
           lltable           40           12K           67
              kenv           95           12K           95
              GEOM           61           11K          477
              rman           86           11K          451
         CAM queue            5           11K         1528
       ether_multi          124           10K          316
         bmsafemap            3            9K         2554
               rpc            4            9K            4
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            1
             shmfd            1            8K            1
       pfs_vncache            1            8K            1
     audit_evclass          238            8K          300
         in6_multi           56            8K          109
         taskqueue           63            7K           63
            sglist            6            7K            6
             mkdir           48            6K         5012
           CAM DEV            3            6K          510
            kqueue           60            6K         5879
              cred           23            6K          296
            plimit           22            6K          489
         pfs_nodes           22            6K           22
            diradd           43            6K         2544
         newdirblk           39            5K         2506
          pf_ifnet           12            5K           36
       ufs_dirhash           24            5K           24
               UMA          268            5K          268
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
           pwddesc           54            4K         5873
             selfd           48            3K       107256
         proc-args           79            3K         7126
          terminal           11            3K           11
           session           21            3K           56
          indirdep           10            3K           10
             hhook            8            3K           10
             clone            9            3K            9
           uidinfo            3            3K           10
             lockf           20            3K           33
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            CC Mem            8            2K         2467
            Unitno           28            2K           62
            ip6ndp           11            2K           20
           CAM XPT           22            2K          543
               msi           12            2K           12
               tun            4            2K            7
         toponodes            6            2K            6
          sctp_ifa           11            2K           20
       ipsecpolicy            2            2K            2
            select           11            2K           41
          in_multi            5            2K           11
           acpidev           20            2K           20
           netlink            2            2K           53
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           18
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
               mld            6            1K            9
              igmp            6            1K            9
              pfil            6            1K            6
            isadev            6            1K            6
             mount           16            1K           89
          pci_link           10            1K           10
          sctp_ifn            5            1K           20
            crypto            4            1K            4
 encap_export_host           12            1K           12
       inpcbpolicy           19            1K         5135
            DEVFSP            9            1K           52
               osd           13            1K         2480
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
    chacha20random            1            1K            1
            biobuf            1            1K            1
            vnodes            1            1K            1
          procdesc            2            1K           12
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            7
            prison            6            1K            6
               aio            5            1K            5
         cryptodev            2            1K           49
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
       in6_mfilter            2            1K         4904
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
            soname            4            1K         3360
          sctp_vrf            1            1K            1
       ip6_msource            1            1K         2393
              vnet            1            1K            1
               pmc            1            1K            1
           entropy            2            1K           61
          acpiintr            1            1K            1
              cpus            2            1K            2
      ip6_moptions            1            1K         2452
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          filecaps            2            1K           90
          p1003.1b            1            1K            1
          pf_table            0            0K            0
           pf_rule            0            0K            0
           pf_altq            0            0K            0
           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
            mqdata            0            0K            0
        sctp_mcore            0            0K            0
        sctp_socko            0            0K            0
         sctp_iter            0            0K           22
         sctp_mvrf            0            0K            0
         sctp_timw            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_athm            0            0K            0
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8320    1078       23166       0     254   38494208        0
              mbuf    256    8606    1057       40772       0     254    2473728        0
          BUF TRIE    144     290   11498        1229       0      62    1697472        0
        malloc-384    384    4174      56        4178       0      30    1624320        0
      mbuf_cluster   2048     762       0         762       0     254    1560576        0
        malloc-128    128   11776     345       12183       0     126    1551488        0
       malloc-4096   4096     337       1         506       0       2    1384448        0
       UMA Slabs 0    112   10900       2       10900       0     126    1221024        0
         vmem btag     56   16356      99       16356       0     254     921480        0
      malloc-65536  65536      11       1          14       0       1     786432        0
        malloc-384    384     609    1371        2650       0      30     760320        0
        RADIX NODE    144    4477     446       92321       0      63     708912        0
         FFS inode   1168     553      28        3039       0       8     678608        0
        malloc-256    256    2033     397       13255       0      62     622080        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        malloc-256    256     591    1404        5109       0      62     510720        0
            socket    960      33     475        6387       0     254     487680        0
        malloc-128    128    1095    1447        6323       0     126     325376        0
         malloc-64     64    4327     524       10409       0     254     310464        0
             VNODE    440     589     104        3080       0      30     304920        0
         VM OBJECT    264    1067      73       40201       0      30     300960        0
        256 Bucket   2048     131      15        1062       0       8     299008        0
       malloc-4096   4096      63       5        6658       0       2     278528        0
            THREAD   1824     147       5         160       0       8     277248        0
      malloc-65536  65536       4       0           4       0       1     262144        0
      malloc-32768  32768       6       2         126       0       1     262144        0
       malloc-2048   2048     111       9         128       0       8     245760        0
         malloc-16     16   14624     376       17621       0     254     240000        0
      malloc-16384  16384       8       6        5145       0       1     229376        0
            DEVCTL   1024      63     157         190       0       0     225280        0
       mbuf_packet    256       1     761        5116       0     254     195072        0
        malloc-128    128    1288     231       33759       0     126     194432        0
         UMA Zones    768     240       4         240       0      16     187392        0
         malloc-32     32    5354     316       13636       0     254     181440        0
            lkpimm     56       1    3095           1       0     254     173376        0
       FFS2 dinode    256     553      77        3038       0      62     161280        0
       malloc-1024   1024     129      15         152       0      16     147456        0
       S VFS Cache    104    1031     373        3530       0     126     146016        0
         MAP ENTRY     96    1151     361       91458       0     126     145152        0
     FPU_save_area    832     149      13        5575       0      16     134784        0
      malloc-65536  65536       0       2         118       0       1     131072        0
      malloc-65536  65536       0       2          70       0       1     131072        0
             unpcb    256      11     499        1219       0     254     130560        0
          ksiginfo    112      63     981        5457       0     126     116928        0
              PROC   1376      57      20        5872       0       8     105952        0
        128 Bucket   1024      67      32         634       0      16     101376        0
       malloc-2048   2048       3      45        1075       0       8      98304        0
         filedesc0   1072      55      29        5873       0       8      90048        0
          UMA Kegs    384     226       7         226       0      30      89472        0
         64 Bucket    512      94      74        2555       0      30      86016        0
       malloc-8192   8192       8       1          28       0       1      73728        0
       malloc-4096   4096      16       2          34       0       2      73728        0
             g_bio    408       0     180        7364       0      30      73440        0
         malloc-64     64     539     532        1685       0     254      68544        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
       malloc-8192   8192       7       1         108       0       1      65536        0
         32 Bucket    256     111     144        2282       0      62      65280        0
         malloc-64     64      73     746      122651       0     254      52416        0
         malloc-64     64     341     478        2763       0     254      52416        0
           VMSPACE    616      33      51        3398       0      16      51744        0
        malloc-128    128     316      87         985       0     126      51584        0
        malloc-256    256       4     191         105       0      62      49920        0
        malloc-256    256      97      98        1002       0      62      49920        0
           DIRHASH   1024      35      13          35       0      16      49152        0
             NAMEI   1024       0      48       26574       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-4096   4096       9       3          11       0       2      49152        0
       malloc-1024   1024       8      40         557       0      16      49152        0
        malloc-384    384      78      42         412       0      30      46080        0
          syncache    168       0     264           6       0     254      44352        0
         tcp_inpcb   1320       8      25        2467       0       8      43560        0
       malloc-8192   8192       3       2          29       0       1      40960        0
            pcpu-8      8    4762     358        5416       0     254      40960        0
            da_ccb    544       0      70        2032       0      16      38080        0
         udp_inpcb    416       9      81        2660       0      30      37440        0
         malloc-64     64      45     522         378       0     254      36288        0
         malloc-64     64      65     502        6604       0     254      36288        0
         malloc-64     64      68     499        5159       0     254      36288        0
         malloc-64     64      72     495        5962       0     254      36288        0
        malloc-128    128      39     240        2710       0     126      35712        0
        malloc-128    128     110     169         645       0     126      35712        0
        malloc-128    128     132     147        2991       0     126      35712        0
        malloc-128    128      78     201          79       0     126      35712        0
     routing nhops    256      23     112          46       0      62      34560        0
           ttyoutq    256      72      63         160       0      62      34560        0
        malloc-256    256      43      92        5419       0      62      34560        0
        malloc-256    256      30     105          37       0      62      34560        0
        malloc-256    256      50      85         106       0      62      34560        0
        malloc-256    256      68      67        2854       0      62      34560        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0          12       0       1      32768        0
      malloc-16384  16384       2       0           2       0       1      32768        0
       malloc-8192   8192       2       2           4       0       1      32768        0
       malloc-4096   4096       3       5          16       0       2      32768        0
       malloc-2048   2048      12       4          16       0       8      32768        0
       malloc-2048   2048       5      11          47       0       8      32768        0
       malloc-2048   2048       7       9          23       0       8      32768        0
       malloc-2048   2048       3      13          64       0       8      32768        0
       malloc-1024   1024      11      21          15       0      16      32768        0
       malloc-1024   1024      12      20          16       0      16      32768        0
       malloc-1024   1024       5      27         192       0      16      32768        0
       malloc-1024   1024      11      21          15       0      16      32768        0
       malloc-1024   1024       1      31        1175       0      16      32768        0
        malloc-512    512       5      59           5       0      30      32768        0
        malloc-512    512       1      63         111       0      30      32768        0
        malloc-512    512       2      62          47       0      30      32768        0
        malloc-512    512       3      61           7       0      30      32768        0
        malloc-512    512       8      56           8       0      30      32768        0
        malloc-512    512       0      64          18       0      30      32768        0
           pcpu-64     64     492      20         492       0     254      32768        0
    ertt_txseginfo     40       0     808        4169       0     254      32320        0
               PWD     40      17     791        2589       0     254      32320        0
            ttyinq    160     135      65         300       0      62      32000        0
              PGRP    120      25     239          77       0     126      31680        0
            clpbuf   2624       0      12          73       0       4      31488        0
        sctp_laddr     48       0     588          26       0     254      28224        0
         malloc-32     32     274     608         543       0     254      28224        0
         16 Bucket    144      52     144         367       0      62      28224        0
          4 Bucket     48       7     581          12       0     254      28224        0
               AIO    208       0     133        4906       0      62      27664        0
         TURNSTILE    136     153      36         153       0      62      25704        0
            cpuset    200       7     121           7       0      62      25600        0
       malloc-8192   8192       3       0           3       0       1      24576        0
           rtentry    168      26     118          46       0      62      24192        0
              pipe    728      20      13         406       0      16      24024        0
             Files     80     134     166       17946       0     126      24000        0
          8 Bucket     80      47     253         991       0     126      24000        0
             ripcb    384       2      58           8       0      30      23040        0
        malloc-384    384      28      32          44       0      30      23040        0
        malloc-384    384      43      17          68       0      30      23040        0
        malloc-384    384       2      58           2       0      30      23040        0
       Mountpoints   2816       2       6           2       0       4      22528        0
        SLEEPQUEUE     88     153     103         153       0     126      22528        0
         hostcache     64       1     314           1       0     254      20160        0
   udp_inpcb ports     32       3     627          40       0     254      20160        0
              ertt     72       8     272        2467       0     126      20160        0
         malloc-32     32     130     500         180       0     254      20160        0
         malloc-32     32     261     369         312       0     254      20160        0
         malloc-32     32      51     579         102       0     254      20160        0
         malloc-32     32      79     551        8209       0     254      20160        0
         malloc-32     32       6     624        1051       0     254      20160        0
          2 Bucket     32      54     576        1336       0     254      20160        0
             KNOTE    160       6     119        1699       0      62      20000        0
            AIOLIO    272       0      70        4906       0      30      19040        0
              vmem   1856       2       7           2       0       8      16704        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       0       1           1       0       1      16384        0
       malloc-2048   2048       2       6           2       0       8      16384        0
       malloc-2048   2048       3       5         194       0       8      16384        0
        malloc-512    512       6      26          74       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
              kenv    258      17      43        1076       0      30      15480        0
            mqnode    416       3      33           3       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
   tcp_inpcb ports     32       3     375           5       0     254      12096        0
         malloc-32     32       9     369         398       0     254      12096        0
         malloc-16     16      44     706       11406       0     254      12000        0
         malloc-16     16      43     707         256       0     254      12000        0
         malloc-16     16      13     737         157       0     254      12000        0
         malloc-16     16      24     726        2516       0     254      12000        0
         malloc-16     16      36     714          54       0     254      12000        0
         malloc-16     16     276     474       28309       0     254      12000        0
         malloc-16     16      22     728          97       0     254      12000        0
        malloc-384    384       6      24           6       0      30      11520        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-8192   8192       1       0           1       0       1       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
       malloc-4096   4096       1       1           1       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       0     334        4667       0     254       8016        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          14       0       0       3744        0
       FFS1 dinode    128       0       0           0       0     126          0        0
           ada_ccb    272       0       0           0       0      30          0        0
             swblk    136       0       0           0       0      62          0        0
          swpctrie    144       0       0           0       0      62          0        0
   cdg_qdiffsample     16       0       0           0       0     254          0        0
   pf state scrubs     40       0       0           0       0     254          0        0
   pf frag entries     40       0       0           0       0     254          0        0
          pf frags    248       0       0           0       0      62          0        0
  pf table entries    160       0       0           0       0     254          0        0
pf table entry counters     64       0       0           0       0     254          0        0
   pf source nodes    152       0       0           0       0     254          0        0
     pf state keys     88       0       0           0       0     126          0        0
         pf states    360       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
       tcp_bbr_pcb    896       0       0           0       0      16          0        0
       tcp_bbr_map    128       0       0           0       0     126          0        0
      tcp_rack_pcb   1152       0       0           0       0       8          0        0
      tcp_rack_map    128       0       0           0       0     126          0        0
tfo_ccache_entries     80       0       0           0       0     126          0        0
               tfo      4       0       0           0       0     254          0        0
          sackhole     32       0       0           0       0     254          0        0
               ipq     56       0       0           0       0     254          0        0
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
sctp_stream_msg_out    112       0       0           0       0     254          0        0
        sctp_readq    152       0       0           0       0     254          0        0
        sctp_chunk    152       0       0           0       0     254          0        0
        sctp_raddr    736       0       0           0       0     254          0        0
         sctp_asoc   2256       0       0           0       0     254          0        0
           sctp_ep   1152       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
           tcp_log    416       0       0           0       0     254          0        0
          tcpreass     48       0       0           0       0     254          0        0
udplite_inpcb ports     32       0       0           0       0     254          0        0
     udplite_inpcb    416       0       0           0       0      30          0        0
       ripcb ports     32       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
            itimer    352       0       0           0       0      30          0        0
             AIOCB    552       0       0           0       0      16          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
            mqueue    248       0       0           0       0      62          0        0
        TMPFS node    232       0       0           0       0      62          0        0
           NCLNODE    608       0       0           0       0      16          0        0
     LTS VFS Cache    360       0       0           0       0      30          0        0
       L VFS Cache    320       0       0           0       0      30          0        0
     STS VFS Cache    144       0       0           0       0      62          0        0
           cryptop    280       0       0           0       0      30          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    144       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    104       0       0           0       0     126          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
         domainset     40       0       0           0       0     254          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    144       0       0           0       0      62          0        0
          rl_entry     48       0       0           0       0     254          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-4096   4096       0       0           0       0       2          0        0
       malloc-1024   1024       0       0           0       0      16          0        0
        malloc-512    512       0       0           0       0      30          0        0
        malloc-384    384       0       0           0       0      30          0        0
           pcpu-32     32       0       0           0       0     254          0        0
            pcpu-4      4       0       0           0       0     254          0        0
            fakepg    104       0       0           0       0     126          0        0
          UMA Hash    256       0       0           0       0      62          0        0

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/04 10:18 freebsd-src 1b9cfd6a625d 9d47f20a console log report syz / log ci-freebsd-main Fatal trap NUM: page fault in in6m_disconnect_locked
2024/08/17 22:59 freebsd-src c7bc30c24f86 dbc93b08 console log report syz / log ci-freebsd-main Fatal trap NUM: page fault in in6m_disconnect_locked
* Struck through repros no longer work on HEAD.