syzbot


Fatal trap NUM: page fault in inm_disconnect

Status: upstream: reported on 2025/12/20 15:04
Reported-by: syzbot+1f6324688f7089d61c75@syzkaller.appspotmail.com
First crash: 5d00h, last: 4d21h

Sample crash report:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff819d35d8
stack pointer	        = 0x28:0xfffffe00570f13d0
frame pointer	        = 0x28:0xfffffe00570f1400
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		= 1042 (ifconfig)
rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000000
rcx: fffffe0002bf1850  r8: 0000000000000000  r9: 0000000000000001
rax: fffffe00000000
FreeBSD/amd6400 rbx: fffffe0054244400 rbp: fffffe00570f1400
r (ci-freebsd-mai10: 0000000000000000 r11: 0000000000000003 r12: fffffe00542445d8
r13: fffffe0007a95880 r14: fffffe0007a958a4 r15: 0000000000000000
trap number		= 12
panic: page fault
cpuid = 0
time = 1766254194
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00570f0bf0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00570f0d50
vpanic() at vpanic+0x257/frame 0xfffffe00570f0f10
panic() at panic+0xb5/frame 0xfffffe00570f0fd0
trap_pfault() at trap_pfault+0xaf2/frame 0xfffffe00570f1110
trap() at trap+0x784/frame 0xfffffe00570f1300
calltrap() at calltrap+0x8/frame 0xfffffe00570f1300
--- trap 0xc, rip = 0xffffffff819d35d8, rsp = 0xfffffe00570f13d0, rbp = 0xfffffe00570f1400 ---
inm_disconnect() at inm_disconnect+0xa8/frame 0xfffffe00570f1400
inm_release_deferred() at inm_release_deferred+0x85/frame 0xfffffe00570f1430
in_leavegroup_locked() at in_leavegroup_locked+0x214/frame 0xfffffe00570f1530
in_pcbpurgeif0() at in_pcbpurgeif0+0x2f6/frame 0xfffffe00570f1630
in_ifdetach() at in_ifdetach+0xdc/frame 0xfffffe00570f1670
if_detach_internal() at if_detach_internal+0x5c0/frame 0xfffffe00570f1740
if_detach() at if_detach+0xb6/frame 0xfffffe00570f1780
tun_destroy() at tun_destroy+0x3c9/frame 0xfffffe00570f17e0
if_clone_destroyif_flags() at if_clone_destroyif_flags+0xc8/frame 0xfffffe00570f1830
if_clone_destroy() at if_clone_destroy+0x1f6/frame 0xfffffe00570f1870
ifioctl() at ifioctl+0x116f/frame 0xfffffe00570f1ab0
kern_ioctl() at kern_ioctl+0x52a/frame 0xfffffe00570f1b90
sys_ioctl() at sys_ioctl+0x36e/frame 0xfffffe00570f1d10
amd64_syscall() at amd64_syscall+0x4e2/frame 0xfffffe00570f1f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00570f1f30
--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x82491f2ca, rsp = 0x8206b19d8, rbp = 0x8206b19f0 ---
KDB: enter: panic
[ thread pid 1042 tid 100444 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x2589a07(%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         0xfffffe0002bf1850
rdx                          0
rbx         0xffffffff82838a60  .str.27
rsp         0xfffffe00570f0d30
rbp         0xfffffe00570f0d50
rsi                          0
rdi         0xffffffff816611a9  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x17
r12         0xfffffe0058721780
r13         0xfffffffffffffffe
r14         0xffffffff82838a60  .str.27
r15                          0
rip         0xffffffff8164a48e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x2589a07(%rip)
db> show proc
Process 1042 (ifconfig) at 0xfffffe005870b570:
 state: NORMAL
 uid: 0 gid: 0 supp gids: 0, 5
 parent: pid 1041 at 0xfffffe00586a9560
 ABI: FreeBSD ELF64
 flag: 0x10004000  flag2: 0
 arguments: ifconfig tap2 destroy
 reaper: 0xfffffe0007809010 reapsubtree: 1
 sigparent: 20
 vmspace: 0xfffffe0058754490
   (map 0xfffffe0058754490)
   (map.pmap 0xfffffe0058754530)
   (pmap 0xfffffe00587545a0)
 threads: 1
100444                   Run     CPU 0                       ifconfig
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1189   766   766     0  R       (threaded)                  syz-executor
100090                   RunQ                                syz-executor
100704                   S       uwait   0xfffffe0058313300  syz-executor
 1186     1   766     0  S       uwait   0xfffffe006e92cd80  syz-executor
 1185     1  1185     0  Ss+     ttyin   0xfffffe0007bfa0b0  getty
 1184     1  1184     0  Ss+     ttyin   0xfffffe0007bf98b0  getty
 1183     1  1183     0  Ss+     ttyin   0xfffffe0007bf90b0  getty
 1182     1  1182     0  Ss+     ttyin   0xfffffe0007bf88b0  getty
 1181     1  1181     0  Ss+     ttyin   0xfffffe0007bf80b0  getty
 1180     1  1180     0  Ss+     ttyin   0xfffffe00595558b0  getty
 1179     1  1179     0  Ss+     ttyin   0xfffffe00595550b0  getty
 1178     1  1178     0  Ss+     ttyin   0xfffffe00595548b0  getty
 1177     1  1177     0  Ss+     ttyin   0xfffffe0058330cb0  getty
 1176  1174   764     0  S       uwait   0xfffffe006e92ca80  syz-executor
 1174   764   764     0  R       (threaded)                  syz-executor
100571                   RunQ                                syz-executor
100691                   S       aiowc   0xfffffe005875e8f0  syz-executor
100692                   S       uwait   0xfffffe0058313a80  syz-executor
100695                   S       wait    0xfffffe005875e568  syz-executor
100697                   S       uwait   0xfffffe0077bd3b00  syz-executor
 1172   763   763     0  T       (threaded)                  syz-executor
100117                   s                                   syz-executor
100688                   D       biowr   0xfffffe0007d5e640  syz-executor
100690                   s                                   syz-executor
100694                   D       ufs     0xfffffe00780b6750  syz-executor
 1103     1   766     0  S       uwait   0xfffffe0077bd4100  syz-executor
 1042  1041  1041     0  R       CPU 0                       ifconfig
 1041     1  1041     0  S       wait    0xfffffe00586a9560  syz-executor
 1020  1019   766     0  SV      connec  0xfffffe00598f50da  syz-executor
 1019     1   766     0  DV      ppwait  0xfffffe00586daa70  syz-executor
  960     0     0     0  DL      (threaded)                  [so_splice]
100324                   D       -       0xfffffe006e92b480  [thr_0]
100329                   D       -       0xfffffe006e92b4c0  [thr_1]
  838     0     0     0  DL      aiordy  0xfffffe00586e7010  [aiod4]
  837     0     0     0  DL      aiordy  0xfffffe00586e7568  [aiod3]
  836     0     0     0  DL      aiordy  0xfffffe00586e7ac0  [aiod2]
  835     0     0     0  DL      aiordy  0xfffffe00586e8018  [aiod1]
  816     0     0     0  DL      (threaded)                  [KTLS]
100120                   D       -       0xfffffe006e816300  [thr_0]
100126                   D       -       0xfffffe006e816380  [thr_1]
100127                   D       -       0xffffffff83cd68e8  [reclaim_0]
  766     1   766     0  S       nanslp  0xffffffff83bb4f41  syz-executor
  764     1   764     0  R                                   syz-executor
  763     1   763     0  S       nanslp  0xffffffff83bb4f41  syz-executor
  760     1   760     0  Rs                                  csh
   16     0     0     0  DL      syncer  0xffffffff83ce2ae0  [syncer]
   15     0     0     0  DL      vlruwt  0xfffffe000780a018  [vnlru]
   14     0     0     0  DL      (threaded)                  [bufdaemon]
100079                   D       psleep  0xffffffff83ce1020  [bufdaemon]
100080                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100093                   D       sdflush 0xfffffe0057f1fce8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d223c0  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100077                   D       psleep  0xffffffff83d08488  [dom0]
100081                   D       launds  0xffffffff83d08494  [laundry: dom0]
100082                   D       umarcl  0xffffffff81e34af0  [uma]
    7     0     0     0  RL                                  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff844d3f80  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff8491a700  [sctp_iterator]
    4     0     0     0  RL      (threaded)                  [cam]
100045                   RunQ                                [doneq0]
100046                   D       -       0xffffffff838f72c0  [async]
100075                   D       -       0xffffffff838f7140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100042                   D       crypto_ 0xffffffff83d03d20  [crypto]
100043                   D       crypto_ 0xfffffe00077af830  [crypto returns 0]
100044                   D       crypto_ 0xfffffe00077af880  [crypto returns 1]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b5d520  [g_event]
100038                   D       -       0xffffffff83b5d540  [g_up]
100039                   D       -       0xffffffff83b5d560  [g_down]
    2     0     0     0  LL      (threaded)                  [clock]
100031                   L      *if_addr 0xfffffe0007805a80  [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  RL      (threaded)                  [intr]
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   I                                   [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   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                                   [irq10: virtio_pci2]
100062                   I                                   [irq1: atkbd0]
100063                   I                                   [irq12: psm0]
100064                   Run     CPU 1                       [swi0: uart uart++]
100068                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  RLs                                 [init]
   10     0     0     0  DL      audit_w 0xffffffff83d047c0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       -       0xffffffff84c5bff0  [kernel]
100005                   D       -       0xfffffe00077cb000  [softirq_0]
100006                   D       -       0xfffffe00077cae00  [softirq_1]
100007                   D       -       0xfffffe00077cad00  [if_io_tqg_0]
100008                   D       -       0xfffffe00077cac00  [if_io_tqg_1]
100009                   D       -       0xfffffe00077cab00  [if_config_tqg_0]
100010                   D       -       0xfffffe00077caa00  [kqueue_ctx taskq]
100011                   D       -       0xfffffe00077ca900  [jail_remove taskq]
100012                   D       -       0xfffffe00077ca800  [bus taskq]
100015                   D       -       0xfffffe00077ca500  [thread taskq]
100017                   D       -       0xfffffe00077ca300  [aiod_kick taskq]
100018                   D       -       0xfffffe00077ca200  [deferred_unmount ta]
100019                   D       -       0xfffffe00077ca100  [inm_free taskq]
100020                   D       -       0xfffffe00077ca000  [in6m_free taskq]
100021                   D       -       0xfffffe00077c9e00  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe00077c9d00  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe00077c9d00  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe00077c9d00  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe00077c9d00  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe00077c9c00  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe00077c9c00  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe00077c9c00  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe00077c9c00  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe00077c9b00  [firmware taskq]
100040                   D       -       0xfffffe00077c9100  [crypto_0]
100041                   D       -       0xfffffe00077c9100  [crypto_1]
100056                   D       -       0xfffffe00077c8900  [vtnet0 rxq 0]
100057                   D       -       0xfffffe00077c8800  [vtnet0 txq 0]
100058                   D       -       0xfffffe00077c8700  [vtnet0 rxq 1]
100059                   D       -       0xfffffe00077c8600  [vtnet0 txq 1]
100061                   D       vtbslp  0xfffffe005800d900  [virtio_balloon]
100065                   D       -       0xffffffff8283d140  [deadlkres]
100069                   D       -       0xfffffe00077c8b00  [acpi_task_0]
100070                   D       -       0xfffffe00077c8b00  [acpi_task_1]
100071                   D       -       0xfffffe00077c8b00  [acpi_task_2]
100073                   D       -       0xfffffe00077cb100  [mca taskq]
100074                   D       -       0xfffffe00077c8a00  [CAM taskq]
100076                   D       -       0xfffffe00077c8300  [ipsec_offload]
  762   760   760     0  Z                                   syz-executor
db> show all locks
Process 1189 (syz-executor) thread 0xfffffe0058697780 (100090)
exclusive rw vmobject (vmobject) r = 0 (0xfffffe00586f7aa8) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_fault.c:376
shared sx vm map (user) (vm map (user)) r = 0 (0xfffffe00586ba980) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4998
Process 1172 (syz-executor) thread 0xfffffe0058768780 (100688)
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007d00160) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:1754
exclusive lockmgr bufwait (bufwait) r = 0 (0xfffffe0007d5e6c0) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_bio.c:4024
exclusive lockmgr ufs (ufs) r = 0 (0xfffffe00780b6750) locked @ /syzkaller/managers/main/kernel/sys/kern/vfs_vnops.c:1315
Process 1042 (ifconfig) thread 0xfffffe0058721780 (100444)
exclusive sleep mutex if_addr_lock (if_addr_lock) r = 0 (0xfffffe00542445a8) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1340
exclusive sleep mutex in_multi_list_mtx (in_multi_list_mtx) r = 0 (0xffffffff83ce7a60) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_mcast.c:1333
exclusive rw rawinp (rawinp) r = 0 (0xfffffe006de62020) locked @ /syzkaller/managers/main/kernel/sys/netinet/in_pcb.c:1486
exclusive sx in_multi_sx (in_multi_sx) r = 0 (0xffffffff83ce7aa0) locked @ /syzkaller/managers/main/kernel/sys/netinet/in.c:1367
exclusive sx ifnet_detach_sx (ifnet_detach_sx) r = 1 (0xffffffff83ce3280) locked @ /syzkaller/managers/main/kernel/sys/net/if.c:2910
Process 2 (clock) thread 0xfffffe000781a780 (100031)
exclusive sleep mutex mld_mtx (mld_mtx) r = 0 (0xffffffff83cff440) locked @ /syzkaller/managers/main/kernel/sys/netinet6/mld6.c:1348
exclusive sleep mutex in6_multi_list_mtx (in6_multi_list_mtx) r = 0 (0xffffffff83cff020) locked @ /syzkaller/managers/main/kernel/sys/netinet6/mld6.c:1347
shared rw vnet_rwlock (vnet_rwlock) r = 0 (0xffffffff83ce70c0) locked @ /syzkaller/managers/main/kernel/sys/netinet6/mld6.c:1306
Process 12 (intr) thread 0xfffffe000782a780 (100064)
exclusive sleep mutex ttymtx (ttymtx) r = 0 (0xfffffe0058330c08) locked @ /syzkaller/managers/main/kernel/sys/dev/uart/uart_tty.c:333
exclusive sleep mutex Giant (Giant) r = 0 (0xffffffff83001940) locked @ /syzkaller/managers/main/kernel/sys/kern/kern_intr.c:1190
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          385         5207K          648
          tcp_hpts            8         4865K            8
            devbuf         4187         4324K         4212
         sysctloid        35395         2086K        35470
             vtbuf           24         1968K           46
              kobj          337         1348K          505
            newblk           25         1030K         2085
          vfscache            3         1025K            3
               pcb           28          675K          464
          inodedep           10          516K          747
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
              vmem            5          272K            7
           subproc          148          226K         1297
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          101          201K        11313
            acpica         1674          184K        56989
          filedesc           22          177K          632
           tidhash            3          141K            3
           pagedep            8          130K          325
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
               sem            4          106K            4
            DEVFS1          105          105K          123
        gtaskqueue           18           98K           18
               bus         1022           84K         5186
               LRO           18           81K           20
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          529           67K          533
       ddb_capture            1           64K            1
              umtx          496           62K          496
           kdtrace          220           47K         1896
          indirdep            2           33K          557
         hostcache            1           32K            1
               shm            1           32K            7
            DEVFS3          124           31K          135
               msg            4           30K            4
            kbdmux            6           28K            6
              temp           32           21K         2205
        DEVFS_RULE           56           20K           56
            ifaddr           75           20K           79
         ufs_mount            4           17K            5
              proc            3           17K            3
          routetbl          149           17K          473
               tty           16           16K           16
           ithread           90           15K           90
            bus-sc           34           15K         1696
           lltable           48           14K           51
      eventhandler          166           14K          166
             shmfd           13           14K           28
              kenv           95           12K           95
       ether_multi          131           11K          211
              GEOM           49           11K          431
         CAM queue            5           11K         1528
              rman           75           10K          450
               rpc            8            9K            8
         bmsafemap            2            9K          581
         in6_multi           59            9K           69
           devstat            4            9K            4
              UART           12            9K           12
              ksem            1            8K            6
           filemon            1            8K           27
       pfs_vncache            1            8K            1
     audit_evclass          240            8K          306
              cred           20            8K          340
             ifnet            8            8K            8
         taskqueue           69            8K          294
            sglist            6            7K            6
            plimit           16            6K          487
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
       ufs_dirhash           24            5K           30
          pf_ifnet           11            5K           24
               UMA          271            5K          271
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
            kqueue           48            3K         1472
           pwddesc           46            3K         1223
          terminal           11            3K           11
            DEVFSP           41            3K          202
           uidinfo            5            3K           78
           acpidev           20            3K           20
             hhook            8            3K           10
          kcovinfo           36            3K           45
           netlink            2            3K          217
         sctp_stro            2            2K            6
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
          in_multi            8            2K           15
             clone            8            2K            9
         sctp_atcl            5            2K          152
         proc-args           57            2K         2279
            ip6ndp           13            2K           16
            Unitno           29            2K           73
           CAM XPT           22            2K          543
          sctp_ifa           12            2K           14
               tun            4            2K            4
         toponodes            6            2K            6
       ipsecpolicy            2            2K            2
           session           11            2K           52
             lockf           12            2K          153
               msi            9            2K            9
         sctp_timw            4            1K            4
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
               mld            8            1K            8
              igmp            8            1K            8
             nhops            6            1K            8
       vnodemarker            2            1K           30
      NFSD session            1            1K            1
        CAM periph            4            1K          271
             ipsec            3            1K            3
            dirrem            3            1K          514
              pfil            6            1K            6
               BPF            6            1K           31
            isadev            6            1K           10
             mount           16            1K          384
          pci_link           10            1K           10
          sctp_ifn            5            1K           14
            crypto            4            1K           30
 encap_export_host           12            1K           12
             frag6            6            1K            6
               osd            6            1K          297
         newdirblk            4            1K          299
             mkdir            4            1K          598
            diradd            4            1K          531
              cdev            2            1K            2
       lkpikmalloc            8            1K            9
      counter_rate           13            1K           13
        ip_msource            6            1K           13
    chacha20random            1            1K            1
            biobuf            1            1K            1
         sctp_atky            7            1K          161
          freefile            2            1K          476
        in_mfilter            5            1K           24
            vnodes            1            1K           12
              ktls            1            1K           12
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
       inpcbpolicy            7            1K          633
       ip6_msource            3            1K           23
           tcpfunc            3            1K            3
        loginclass            3            1K            5
            prison            6            1K            6
         sctp_aadr            2            1K            2
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
          freefrag            1            1K           31
            CC Mem            1            1K          280
               aio            4            1K           10
               iov            2            1K        15348
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
         sctp_athm            5            1K          153
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         cryptodev            1            1K          186
          freework            1            1K          719
       ip_moptions            1            1K           13
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             sigio            1            1K            4
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          acpiintr            1            1K            1
              cpus            2            1K            2
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
            soname            1            1K         3813
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K           19
         sctp_iter            0            0K           12
         sctp_mvrf            0            0K            0
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                pf            0            0K            0
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           pf_osfp            0            0K            0
     pf_krule_item            0            0K            0
           pf_temp            0            0K            0
      tcp_pcm_rack            0            0K            5
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        madt_table            0            0K            2
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              isci            0            0K            0
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 audit_pipe_presel            0            0K            0
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            ip6opt            0            0K           30
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              ipid            0            0K            0
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      80211ratectl            0            0K            0
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            statfs            0            0K          197
     namei_tracker            0            0K            1
           inotify            0            0K           57
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               lio            0            0K            7
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              accf            0            0K            0
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           timerfd            0            0K            0
          procdesc            0            0K           10
             selfd            0            0K        60013
            select            0            0K           52
          ioctlops            0            0K          197
           eventfd            0            0K            1
           Witness            0            0K            0
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              sbuf            0            0K          220
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              SWAP            0            0K            0
         sysctltmp            0            0K          654
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          sendfile            0            0K           14
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filedesc_to_leader            0            0K            9
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           scsi_da            0            0K           70
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           CAM CCB            0            0K          523
     CAM ccb queue            0            0K            0
db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8322    1838       20151       0     254   41615360        0
           tcp_log    416      18    8874       18298       0     254    3699072        0
              mbuf    256    8728    1699       33487       0     254    2669312        0
      mbuf_cluster   2048     508     508         604       0     254    2080768        0
          BUF TRIE    152     326   11478        2194       0      62    1794208        0
        malloc-384    384    4114      56        4124       0      30    1601280        0
        malloc-128    128   11621     376       12964       0     126    1535616        0
       malloc-4096   4096     359       7         557       0       2    1499136        0
       UMA Slabs 0    112   12133      29       12133       0     126    1362144        0
        RADIX NODE    152    6869    1888       41393       0      62    1331064        0
         sctp_asoc   2256       2     508           6       0     254    1150560        0
         vmem btag     56   18836      67       18836       0     254    1058568        0
      malloc-65536  65536      12       1          16       0       1     851968        0
      malloc-16384  16384      11      38         501       0       1     802816        0
         FFS inode   1168     529      73        1023       0       8     703136        0
           sctp_ep   1152       3     508         145       0     254     588672        0
              pbuf   2664       0     198           0       0       2     527472        0
            socket   1024       9     499        2205       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
         malloc-64     64    3935    3436       65227       0     254     471744        0
            THREAD   1860     172      76         704       0       8     461280        0
        256 Bucket   2048     193       9        1253       0       8     413696        0
       malloc-4096   4096      48      46        1190       0       2     385024        0
        sctp_raddr    736       2     515           6       0     254     380512        0
         VM OBJECT    248     803     685       17802       0      62     369024        0
             VNODE    440     567     126        1065       0      30     304920        0
      malloc-65536  65536       4       0           4       0       1     262144        0
       malloc-2048   2048     103      17         186       0       8     245760        0
         malloc-16     16   14600     400       14941       0     254     240000        0
      malloc-32768  32768       1       6         481       0       1     229376        0
            DEVCTL   1024      28     192         153       0       0     225280        0
         MAP ENTRY     96     650    1618       58404       0     126     217728        0
     FPU_save_area    832     174      87         951       0      16     217152        0
       malloc-2048   2048       7      97        1090       0       8     212992        0
      malloc-65536  65536       1       2         112       0       1     196608        0
       malloc-8192   8192       6      18          58       0       1     196608        0
        malloc-256    256     220     530        3586       0      62     192000        0
         malloc-32     32    5465     457        5542       0     254     189504        0
         UMA Zones    768     243       1         243       0      16     187392        0
       malloc-2048   2048      10      78         177       0       8     180224        0
        malloc-128    128    1234     161       26707       0     126     178560        0
       FFS2 dinode    256     529     161        1023       0      62     176640        0
            lkpimm     56       1    3095           1       0     254     173376        0
         tcp_inpcb   1304       2     127         279       0       8     168216        0
             unpcb    320       0     516        1309       0     254     165120        0
       malloc-1024   1024     121      23         140       0      16     147456        0
       S VFS Cache    104    1021     383        1514       0     126     146016        0
              PROC   1368      46      53        1190       0       8     135432        0
      malloc-65536  65536       0       2          85       0       1     131072        0
      malloc-32768  32768       4       0           4       0       1     131072        0
      malloc-32768  32768       2       2          16       0       1     131072        0
       mbuf_packet    256       1     507        1100       0     254     130048        0
          ksiginfo    112      85     959         205       0     126     116928        0
         filedesc0   1072      46      59        1223       0       8     112560        0
        malloc-256    256     239     196         995       0      62     111360        0
        malloc-128    128     550     225        4671       0     126      99200        0
       malloc-8192   8192       7       5          38       0       1      98304        0
         64 Bucket    512     137      55        2695       0      30      98304        0
          UMA Kegs    384     229       4         229       0      30      89472        0
        128 Bucket   1024      67      16         280       0      16      84992        0
        malloc-128    128     565      86        1488       0     126      83328        0
        sctp_chunk    152       1     519           3       0     254      79040        0
        malloc-384    384     110      70         850       0      30      69120        0
         malloc-64     64     534     537        1897       0     254      68544        0
        malloc-128    128     329     198         523       0     126      67456        0
             g_bio    440       4     149       13899       0      30      67320        0
           DIRHASH   1024      34      30          38       0      16      65536        0
      malloc-65536  65536       0       1           3       0       1      65536        0
      malloc-65536  65536       1       0           1       0       1      65536        0
      malloc-32768  32768       2       0           2       0       1      65536        0
      malloc-32768  32768       0       2         121       0       1      65536        0
        malloc-256    256      98     157        2122       0      62      65280        0
         32 Bucket    256      85     170        1337       0      62      65280        0
         malloc-64     64     476     343         777       0     254      52416        0
         malloc-64     64     404     415        1615       0     254      52416        0
             Files     80      78     572        9906       0     126      52000        0
         udp_inpcb    408       5     121         259       0      30      51408        0
           ttyoutq    256      72     123         304       0      62      49920        0
        malloc-256    256      40     155         473       0      62      49920        0
             NAMEI   1024       0      48       16499       0      16      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
      malloc-16384  16384       1       2           9       0       1      49152        0
      malloc-16384  16384       3       0           3       0       1      49152        0
       malloc-8192   8192       4       2          85       0       1      49152        0
       malloc-4096   4096       4       8         770       0       2      49152        0
       malloc-1024   1024      10      38         652       0      16      49152        0
           VMSPACE    584      23      61        1164       0      16      49056        0
        malloc-384    384      49      71         843       0      30      46080        0
        malloc-384    384      22      98         172       0      30      46080        0
             ripcb    376       1     119          66       0      30      45120        0
          syncache    168       0     264           3       0     254      44352        0
         TURNSTILE    136     249      66         249       0      62      42840        0
       malloc-4096   4096       1       9          47       0       2      40960        0
            pcpu-8      8    4841     279        5171       0     254      40960        0
              pipe    736      15      40         394       0      16      40480        0
            ttyinq    160     135     115         570       0      62      40000        0
            da_ccb    544       1      69        3606       0      16      38080        0
         hostcache     64       3     564           3       0     254      36288        0
         malloc-64     64      66     501         210       0     254      36288        0
         malloc-64     64      33     534       14883       0     254      36288        0
         malloc-64     64      65     502        4449       0     254      36288        0
         malloc-64     64     100     467         318       0     254      36288        0
        malloc-128    128       5     274          53       0     126      35712        0
        malloc-128    128     104     175         624       0     126      35712        0
        malloc-128    128     111     168         417       0     126      35712        0
     routing nhops    256      23     112          34       0      62      34560        0
        malloc-384    384      52      38         114       0      30      34560        0
        malloc-384    384      54      36          86       0      30      34560        0
        malloc-256    256       5     130         363       0      62      34560        0
        malloc-256    256      30     105         983       0      62      34560        0
        malloc-256    256      44      91         371       0      62      34560        0
        malloc-256    256       9     126         409       0      62      34560        0
        SLEEPQUEUE     88     249     135         249       0     126      33792        0
      malloc-32768  32768       1       0           1       0       1      32768        0
       malloc-4096   4096       2       6          57       0       2      32768        0
       malloc-2048   2048       8       8           9       0       8      32768        0
       malloc-2048   2048       7       9          33       0       8      32768        0
       malloc-2048   2048       0      16          85       0       8      32768        0
       malloc-1024   1024       2      30          10       0      16      32768        0
       malloc-1024   1024      16      16          19       0      16      32768        0
       malloc-1024   1024      16      16          37       0      16      32768        0
       malloc-1024   1024       5      27         152       0      16      32768        0
       malloc-1024   1024      14      18          20       0      16      32768        0
       malloc-1024   1024       2      30        1057       0      16      32768        0
        malloc-512    512       3      61          32       0      30      32768        0
        malloc-512    512       9      55          25       0      30      32768        0
        malloc-512    512       1      63         178       0      30      32768        0
        malloc-512    512       2      62          27       0      30      32768        0
        malloc-512    512      11      53         164       0      30      32768        0
           pcpu-64     64     503       9         503       0     254      32768        0
sctp_stream_msg_out    112       0     288           1       0     254      32256        0
            clpbuf   2664       0      12          48       0       4      31968        0
              PGRP    120      15     249          59       0     126      31680        0
        sctp_laddr     48       8     580          26       0     254      28224        0
          rl_entry     48      13     575          36

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/20 18:10 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-main Fatal trap NUM: page fault in inm_disconnect
2025/12/20 15:03 freebsd-src 7f39d05b67ae e14dbeb9 console log report ci-freebsd-main Fatal trap NUM: page fault in inm_disconnect
* Struck through repros no longer work on HEAD.