syzbot


panic: pmap_demote_pde: a wired mapping is missing PG_A

Status: upstream: reported on 2024/12/08 21:42
Reported-by: syzbot+4b9dad11826c30bb6745@syzkaller.appspotmail.com
First crash: 173d, last: 2h16m

Sample crash report:
panic: pmap_demote_pde: a wired mapping is missing PG_A
cpuid = 0
time = 39364467743
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00575582f0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0057558450
vpanic() at vpanic+0x257/frame 0xfffffe0057558610
panic() at panic+0xb5/frame 0xfffffe00575586d0
pmap_demote_pde_locked() at pmap_demote_pde_locked+0x233a/frame 0xfffffe00575588b0
pmap_unwire() at pmap_unwire+0x5d5/frame 0xfffffe00575589c0
vm_map_entry_unwire() at vm_map_entry_unwire+0x13f/frame 0xfffffe0057558a10
vm_map_delete() at vm_map_delete+0x358/frame 0xfffffe0057558b50
vmspace_dofree() at vmspace_dofree+0xe9/frame 0xfffffe0057558b90
vmspace_exit() at vmspace_exit+0x278/frame 0xfffffe0057558c50
exit1() at exit1+0x99b/frame 0xfffffe0057558cf0
sys_exit() at sys_exit+0x28/frame 0xfffffe0057558d10
amd64_syscall() at amd64_syscall+0x4af/frame 0xfffffe0057558f30
fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0057558f30
--- syscall (1, FreeBSD ELF64, exit), rip = 0x3a1d1a, rsp = 0x8206490e8, rbp = 0x8206490f0 ---
KDB: enter: panic
[ thread pid 1140 tid 100107 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25be9b7(%rip)
db> 
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                          0
rbx         0xffffffff827af6a0  .str.27
rsp         0xfffffe0057558430
rbp         0xfffffe0057558450
rsi                          0
rdi         0xffffffff81614639  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11         0xfffffe00548ccc60
r12         0xfffffe00548cc740
r13         0xfffffffffffffffe
r14         0xffffffff827af6a0  .str.27
r15                          0
rip         0xffffffff815fe7de  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x25be9b7(%rip)
db> show proc
Process 1140 (syz-executor) at 0xfffffe00548d1020:
 state: NORMAL
 uid: 0  gids: 0, 0, 5
 parent: pid 767 at 0xfffffe00548d25a0
 ABI: FreeBSD ELF64
 flag: 0x10002000  flag2: 0x40000
 arguments: ./syz-executor exec
 reaper: 0xfffffe0008009040 reapsubtree: 1
 sigparent: 20
 vmspace: 0xffffffff83b48880
   (map 0xffffffff83b48880)
   (map.pmap 0xffffffff83b48920)
   (pmap 0xffffffff83b48990)
 threads: 1
100107                   Run     CPU 0                       syz-executor
db> ps
  pid  ppid  pgrp   uid  state   wmesg   wchan               cmd
 1149   766   766     0  RE      CPU 1                       syz-executor
 1148   765   765     0  R       (threaded)                  syz-executor
100150                   RunQ                                syz-executor
100345                   S       uwait   0xfffffe0058cf3280  syz-executor
100346                   S       uwait   0xfffffe006ec48680  syz-executor
100347                   S       connec  0xfffffe005a1b40da  syz-executor
 1147  1140   767     0  S       uwait   0xfffffe0058a6c200  syz-executor
 1145  1140   767     0  S       uwait   0xfffffe006ec49d80  syz-executor
 1143  1141   764     0  SV      sigwait 0xfffffe00549290d0  syz-executor
 1142  1140   767     0  S       uwait   0xfffffe006ec49100  syz-executor
 1141   764   764     0  T       (threaded)                  syz-executor
100092                   s                                   syz-executor
100338                   D       ppwait  0xfffffe0054929520  syz-executor
 1140   767  1140     0  REs     CPU 0                       syz-executor
 1136     1   767     0  S       uwait   0xfffffe0058a6cf00  syz-executor
 1128     1   766     0  S       uwait   0xfffffe0058a6a680  syz-executor
 1125     1   766     0  S       uwait   0xfffffe0058a6b880  syz-executor
 1121     1   764     0  S       uwait   0xfffffe0058a6cd00  syz-executor
 1113     1   767     0  S       uwait   0xfffffe0058a6c600  syz-executor
 1108     1   766     0  S       uwait   0xfffffe0058a6a100  syz-executor
 1107     1   767     0  S       uwait   0xfffffe0058a6c700  syz-executor
 1102     1   765     0  SV      uwait   0xfffffe0058a6b980  syz-executor
 1077     1  1077     0  S       uwait   0xfffffe0058a6de00  syz-executor
 1071     1   764     0  S       uwait   0xfffffe006ec49e80  syz-executor
 1061     1   766     0  S       uwait   0xfffffe006ec4a400  syz-executor
 1060     1   767     0  S       umtxn   0xfffffe006ec4ab80  syz-executor
 1052     1  1052     0  Ss+     ttyin   0xfffffe0059c098b0  getty
 1051     1  1051     0  Ss+     ttyin   0xfffffe0059c080b0  getty
 1049     1  1049     0  Ss+     ttyin   0xfffffe0059c09cb0  getty
 1048     1  1048     0  Ss+     ttyin   0xfffffe0059c094b0  getty
 1047     1  1047     0  Ss+     ttyin   0xfffffe0059c090b0  getty
 1046     1  1046     0  Ss+     ttyin   0xfffffe0059c08cb0  getty
 1045     1  1045     0  Ss+     ttyin   0xfffffe0059c088b0  getty
 1044     1  1044     0  Ss+     ttyin   0xfffffe0059c084b0  getty
 1043     1  1043     0  Ss+     ttyin   0xfffffe0058a95cb0  getty
 1041     1   764     0  S       uwait   0xfffffe0058a6c000  syz-executor
 1035     1   766     0  S       uwait   0xfffffe006ec4a200  syz-executor
 1025     1   765     0  S       uwait   0xfffffe006ec4a700  syz-executor
 1024     1   765     0  S       uwait   0xfffffe0058cf4b00  syz-executor
 1018     1   767     0  S       uwait   0xfffffe0058cf3080  syz-executor
 1013     0     0     0  DL      (threaded)                  [KTLS]
100142                   D       -       0xfffffe006edd9a00  [thr_0]
100195                   D       -       0xfffffe006edd9a80  [thr_1]
100196                   D       -       0xffffffff83cafc28  [reclaim_0]
 1012     0     0     0  DL      (threaded)                  [so_splice]
100123                   D       -       0xfffffe005a31b380  [thr_0]
100193                   D       -       0xfffffe005a31b3c0  [thr_1]
 1011     1   764     0  S       uwait   0xfffffe0058cf3300  syz-executor
 1006     1   764    -1  S       uwait   0xfffffe006ec4aa80  syz-executor
  999     1   765     0  S       uwait   0xfffffe0058a6ac00  syz-executor
  987     1   766     0  S       uwait   0xfffffe000828c600  syz-executor
  984     1   765     0  S       uwait   0xfffffe0058a6a000  syz-executor
  968     1   765     0  S       uwait   0xfffffe0058a6ac80  syz-executor
  878     1   764     0  S       uwait   0xfffffe0058a6a200  syz-executor
  847     1   767     0  SV      uwait   0xfffffe0058a6df00  syz-executor
  826     1   767     0  S       uwait   0xfffffe0058cf4a00  syz-executor
  824     0     0     0  DL      aiordy  0xfffffe005490c000  [aiod4]
  823     0     0     0  DL      aiordy  0xfffffe005490e040  [aiod3]
  822     0     0     0  DL      aiordy  0xfffffe005490e5a0  [aiod2]
  821     0     0     0  DL      aiordy  0xfffffe005490eb00  [aiod1]
  767   763   767     0  R                                   syz-executor
  766   763   766     0  S       nanslp  0xffffffff83b9e501  syz-executor
  765   763   765     0  R                                   syz-executor
  764   763   764     0  S       nanslp  0xffffffff83b9e500  syz-executor
  763   761   761     0  S       select  0xfffffe005a2d5bc0  syz-executor
  761   759   761     0  Ss      pause   0xfffffe0054807630  csh
  759     1   759     0  Ss      select  0xfffffe005a2d5cc0  sshd
  737     1    18     0  S+      nanslp  0xffffffff83b9e501  sleep
  495     1   495     0  Ss      select  0xfffffe006e3f88c0  syslogd
   17     0     0     0  DL      syncer  0xffffffff83cbbda0  [syncer]
   16     0     0     0  DL      vlruwt  0xfffffe0008028040  [vnlru]
   15     0     0     0  DL      (threaded)                  [bufdaemon]
100080                   D       psleep  0xffffffff83cba360  [bufdaemon]
100083                   D       -       0xffffffff83001ec0  [bufspacedaemon-0]
100094                   D       sdflush 0xfffffe005860d4e8  [/ worker]
    9     0     0     0  DL      psleep  0xffffffff83d05380  [vmdaemon]
    8     0     0     0  DL      (threaded)                  [pagedaemon]
100078                   D       psleep  0xffffffff83ceb2f8  [dom0]
100081                   D       launds  0xffffffff83ceb304  [laundry: dom0]
100082                   D       umarcl  0xffffffff81dcfc70  [uma]
    7     0     0     0  DL      -       0xffffffff8391bcd0  [rand_harvestq]
    6     0     0     0  DL      pftm    0xffffffff8452b850  [pf purge]
    5     0     0     0  DL      waiting 0xffffffff848ec700  [sctp_iterator]
    4     0     0     0  DL      (threaded)                  [cam]
100046                   D       -       0xffffffff838e6340  [doneq0]
100047                   D       -       0xffffffff838e62c0  [async]
100076                   D       -       0xffffffff838e6140  [scanner]
    3     0     0     0  DL      (threaded)                  [crypto]
100043                   D       crypto_ 0xffffffff83ce6b40  [crypto]
100044                   D       crypto_ 0xfffffe00546b2030  [crypto returns 0]
100045                   D       crypto_ 0xfffffe00546b2080  [crypto returns 1]
   14     0     0     0  DL      seqstat 0xfffffe00547e8c88  [sequencer 00]
   13     0     0     0  DL      (threaded)                  [geom]
100037                   D       -       0xffffffff83b46f00  [g_event]
100038                   D       -       0xffffffff83b46f20  [g_up]
100039                   D       -       0xffffffff83b46f40  [g_down]
    2     0     0     0  WL      (threaded)                  [clock]
100031                   I                                   [clock (0)]
100032                   I                                   [clock (1)]
   12     0     0     0  WL      (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]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   I                                   [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
   11     0     0     0  RL      (threaded)                  [idle]
100003                   CanRun                              [idle: cpu0]
100004                   CanRun                              [idle: cpu1]
    1     0     1     0  SLs     wait    0xfffffe0008009040  [init]
   10     0     0     0  DL      audit_w 0xffffffff83ce75e0  [audit]
    0     0     0     0  DLs     (threaded)                  [kernel]
100000                   D       parked  0xffffffff84c2dff0  [swapper]
100005                   D       -       0xfffffe0008286900  [softirq_0]
100006                   D       -       0xfffffe0008286700  [softirq_1]
100007                   D       -       0xfffffe0008286500  [if_io_tqg_0]
100008                   D       -       0xfffffe0008286300  [if_io_tqg_1]
100009                   D       -       0xfffffe0008286100  [if_config_tqg_0]
100010                   D       -       0xfffffe0007fd1000  [kqueue_ctx taskq]
100011                   D       -       0xfffffe0007fd0e00  [jail_remove taskq]
100012                   D       -       0xfffffe0007fd0d00  [bus taskq]
100015                   D       -       0xfffffe0007fd0a00  [thread taskq]
100017                   D       -       0xfffffe0007fd0800  [aiod_kick taskq]
100018                   D       -       0xfffffe0007fd0700  [deferred_unmount ta]
100019                   D       -       0xfffffe0007fd0600  [inm_free taskq]
100020                   D       -       0xfffffe0007fd0500  [in6m_free taskq]
100021                   D       -       0xfffffe0007fd0400  [linuxkpi_irq_wq]
100022                   D       -       0xfffffe0007fd0300  [linuxkpi_short_wq_0]
100023                   D       -       0xfffffe0007fd0300  [linuxkpi_short_wq_1]
100024                   D       -       0xfffffe0007fd0300  [linuxkpi_short_wq_2]
100025                   D       -       0xfffffe0007fd0300  [linuxkpi_short_wq_3]
100026                   D       -       0xfffffe0007fd0200  [linuxkpi_long_wq_0]
100027                   D       -       0xfffffe0007fd0200  [linuxkpi_long_wq_1]
100028                   D       -       0xfffffe0007fd0200  [linuxkpi_long_wq_2]
100029                   D       -       0xfffffe0007fd0200  [linuxkpi_long_wq_3]
100036                   D       -       0xfffffe0007fd0100  [firmware taskq]
100041                   D       -       0xfffffe0007fcfe00  [crypto_0]
100042                   D       -       0xfffffe0007fcfe00  [crypto_1]
100057                   D       -       0xfffffe0007fcfc00  [vtnet0 rxq 0]
100058                   D       -       0xfffffe0007fcfb00  [vtnet0 txq 0]
100059                   D       -       0xfffffe0007fcfa00  [vtnet0 rxq 1]
100060                   D       -       0xfffffe0007fcf900  [vtnet0 txq 1]
100062                   D       vtbslp  0xfffffe0058583b00  [virtio_balloon]
100066                   D       -       0xffffffff827b49e1  [deadlkres]
100070                   D       -       0xfffffe0058d69700  [acpi_task_0]
100071                   D       -       0xfffffe0058d69700  [acpi_task_1]
100072                   D       -       0xfffffe0058d69700  [acpi_task_2]
100074                   D       -       0xfffffe0007fd1100  [mca taskq]
100075                   D       -       0xfffffe0007fcfd00  [CAM taskq]
100077                   D       -       0xfffffe0058d69600  [ipsec_offload]
db> show all locks
Process 1149 (syz-executor) thread 0xfffffe00548c1000 (100096)
exclusive rw pmap pv list (pmap pv list) r = 0 (0xfffffe0007c81840) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8688
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe005492d358) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8598
Process 1140 (syz-executor) thread 0xfffffe00548cc740 (100107)
exclusive sleep mutex pmap (pmap) r = 0 (0xfffffe00548d4a30) locked @ /syzkaller/managers/main/kernel/sys/amd64/amd64/pmap.c:8018
exclusive sx vm map (user) (vm map (user)) r = 0 (0xfffffe00548d4980) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_map.c:4094
db> show malloc
              Type        InUse        MemUse     Requests
           pf_hash            6        12804K            6
            linker          376         5063K          587
          tcp_hpts            7         4801K            7
         sctp_stro            7         4621K           11
            devbuf         4188         4324K         4215
         sysctloid        35104         2068K        35296
             vtbuf           24         1968K           46
              kobj          331         1324K          515
            newblk          113         1052K         1421
          vfscache            3         1025K            3
               pcb           72          719K          198
          filedesc           70          554K          337
          inodedep           22          520K          384
         ufs_quota            1          512K            1
          vfs_hash            1          512K            1
           callout            2          512K            2
              intr            4          472K            4
           subproc          167          338K         1238
         vnet_data            2          224K            2
          acpitask            1          224K            1
            KTRACE          102          201K         3783
            acpica         1674          184K        54432
              vmem            5          144K            6
           tidhash            3          141K            3
           pagedep           12          131K          175
        tfo_ccache            1          128K            1
          IP reass            1          128K            1
            DEVFS1          109          109K          128
               sem            4          106K            4
        gtaskqueue           18           98K           18
               bus         1002           82K         5074
          mtx_pool            3           74K            3
          syncache            1           68K            1
     NFSD srvcache            3           68K            3
            module          521           66K          524
       ddb_capture            1           64K            1
              umtx          352           44K          352
           kdtrace          232           44K         1500
              temp           36           38K         2193
         hostcache            1           32K            1
               shm            1           32K            7
            DEVFS3          128           32K          140
               msg            4           30K            4
            kbdmux            6           28K            6
        DEVFS_RULE           56           20K           56
            ifaddr           67           19K           70
          routetbl          158           17K          503
         ufs_mount            4           17K            5
              proc            3           17K            3
               LRO           16           17K           16
               tty           16           16K           16
           ithread           90           15K           90
            bus-sc           34           15K         1650
           lltable           45           14K           53
       ether_multi          169           14K          207
      eventhandler          163           14K          163
             ifnet            7           13K            7
         sctp_atcl           31           12K           63
              kenv           95           12K           95
              GEOM           61           11K          541
         CAM queue            5           11K         1528
              rman           82           10K          447
             shmfd            4           10K            5
               rpc            8            9K            8
         in6_multi           65            9K           65
         bmsafemap            2            9K          301
           devstat            4            9K            4
              UART           12            9K           12
           filemon            1            8K            6
              ksem            1            8K            6
       pfs_vncache            1            8K            1
            plimit           20            8K          470
     audit_evclass          239            8K          301
         taskqueue           69            8K           81
              cred           28            7K          226
            sglist            6            7K            6
           CAM DEV            3            6K          510
         pfs_nodes           22            6K           22
            kqueue           76            5K         1408
       ufs_dirhash           24            5K           27
           pwddesc           74            5K         1164
               UMA          268            5K          269
          pf_ifnet           10            5K           19
                vt           11            5K           11
           memdesc            1            4K            1
               MCA           32            4K           32
             evdev            4            4K            4
           acpisem           28            4K           28
       inpcbpolicy          103            4K          487
            DEVFSP           48            3K           77
            crypto            6            3K           31
          terminal           11            3K           11
          in_multi           10            3K           18
           acpidev           20            3K           20
             hhook            8            3K           10
         proc-args           88            3K         2336
             clone            9            3K            9
           uidinfo            3            3K           13
          kcovinfo           36            3K           36
        local_apic            1            2K            1
           io_apic            1            2K            1
         ipsec-saq            2            2K            2
            ip6ndp           12            2K           14
             selfd           30            2K        81950
           session           15            2K           49
          sctp_ifa           13            2K           15
            Unitno           26            2K          239
           CAM XPT           22            2K          543
               tun            4            2K            4
         toponodes            6            2K            6
             lockf           14            2K          134
         sctp_atky           38            2K           76
       ipsecpolicy            2            2K            2
            CC Mem           11            2K           86
          indirdep            5            2K          161
               BPF            7            2K           20
               msi            9            2K            9
           netlink            2            2K           94
            ip6opt            6            2K           22
         sctp_timw            4            1K            4
         sctp_stri            2            1K            4
           softdep            1            1K            1
            sahead            1            1K            1
          secasvar            1            1K            1
             nhops            6            1K            8
       vnodemarker            2            1K           32
      NFSD session            1            1K            1
         newdirblk            7            1K          134
            diradd            7            1K          273
        CAM periph            4            1K          271
          sctp_ifn            6            1K           15
             ipsec            3            1K            3
               mld            6            1K            6
              igmp            6            1K            6
              pfil            6            1K            6
            isadev            6            1K            8
             mount           16            1K          707
          pci_link           10            1K           10
               osd           16            1K          103
 encap_export_host           12            1K           12
             frag6            6            1K            8
         cryptodev            8            1K           88
            dirrem            2            1K          255
              cdev            2            1K            2
         sctp_athm           31            1K           65
       lkpikmalloc            8            1K            9
             mkdir            3            1K          268
    chacha20random            1            1K            1
            biobuf            1            1K            1
            select            3            1K           37
       ip_moptions            5            1K           12
            vnodes            3            1K            8
        in_mfilter            6            1K           18
        ip_msource            4            1K            6
              ktls            1            1K           13
      NFSD lckfile            1            1K            1
     NFSD V4client            1            1K            1
             DEVFS            9            1K           10
           CAM SIM            2            1K            2
          sctp_map           14            1K           22
            feeder            7            1K            7
           tcpfunc            3            1K            3
        loginclass            3            1K            5
            prison            6            1K            6
          nexusdev            8            1K            8
            apmdev            1            1K            1
          atkbddev            2            1K            2
       ip6_msource            2            1K            4
               aio            4            1K            4
          pmchooks            1            1K            1
          CAM path            4            1K         1034
     CAM dev queue            2            1K            2
 CAM I/O Scheduler            1            1K            1
          filecaps            3            1K           85
            soname            3            1K         3443
          sctp_vrf            1            1K            1
              vnet            1            1K            1
               pmc            1            1K            1
filedesc_to_leader            1            1K            2
           entropy            2            1K           34
          acpiintr            1            1K            1
              cpus            2            1K            2
          freework            1            1K          239
    vnet_data_free            1            1K            1
           Per-cpu            1            1K            1
          p1003.1b            1            1K            1
        sctp_mcore            0            0K            0
        sctp_socko            0            0K           11
         sctp_iter            0            0K           10
         sctp_mvrf            0            0K            0
         sctp_cpal            0            0K            0
         sctp_cmsg            0            0K            0
         sctp_stre            0            0K            0
         sctp_athi            0            0K            0
         sctp_a_it            0            0K           10
         sctp_aadr            0            0K            0
      tcp_pcm_rack            0            0K            1
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db> show uma
              Zone   Size    Used    Free    Requests  Sleeps  Bucket  Total Mem    XFree
   mbuf_jumbo_page   4096    8353    1045       14715       0     254   38494208        0
              mbuf    256   21269    1338       51664       0     254    5787392        0
           tcp_log    416    3667     653        9847       0     254    1797120        0
          BUF TRIE    152     262   11542        1311       0      62    1794208        0
       malloc-4096   4096     409       1        2216       0       2    1679360        0
        malloc-384    384    4157      43        4187       0      30    1612800        0
        malloc-128    128   12069     176       12990       0     126    1567360        0
       UMA Slabs 0    112   11086      32       11086       0     126    1245216        0
         sctp_asoc   2256       7     503          11       0     254    1150560        0
        RADIX NODE    152    7156     119       35234       0      62    1105800        0
      mbuf_cluster   2048     508       0         508       0     254    1040384        0
         vmem btag     56   18065     118       19062       0     254    1018248        0
      malloc-65536  65536      13       1          17       0       1     917504        0
         malloc-64     64    4009    8717       86232       0     254     814464        0
         FFS inode   1168     564      24         767       0       8     686784        0
      malloc-16384  16384      37       4         169       0       1     671744        0
        sctp_chunk    152    4083     259        4083       0     254     659984        0
           sctp_ep   1152      22     489          50       0     254     588672        0
            socket   1024     129     379        1800       0     254     520192        0
          lkpicurr    168       2    3094           2       0      62     520128        0
              pbuf   2624       0     198           0       0       2     519552        0
        256 Bucket   2048     184      32        1373       0       8     442368        0
        sctp_raddr    736       8     509          12       0     254     380512        0
         VM OBJECT    248    1189     187       17271       0      62     341248        0
            THREAD   1824     155      21         349       0       8     321024        0
             VNODE    440     603      90         808       0      30     304920        0
       malloc-2048   2048     124      12         152       0       8     278528        0
         malloc-16     16   14520     230       15369       0     254     236000        0
            DEVCTL   1024      34     186         159       0       0     225280        0
       malloc-2048   2048       3     101        1085       0       8     212992        0
      malloc-65536  65536       1       2          87       0       1     196608        0
         MAP ENTRY     96    1629     387       56336       0     126     193536        0
         malloc-32     32    5457     465        6181       0     254     189504        0
         UMA Zones    768     240       4         241       0      16     187392        0
        malloc-128    128    1144     251       25366       0     126     178560        0
            lkpimm     56       1    3095           1       0     254     173376        0
             unpcb    320       9     507        1219       0     254     165120        0
     FPU_save_area    832     157      41         457       0      16     164736        0
      malloc-32768  32768       3       2         123       0       1     163840        0
      malloc-32768  32768       0       5         110       0       1     163840        0
       FFS2 dinode    256     564      66         767       0      62     161280        0
       malloc-1024   1024     126      18         154       0      16     147456        0
       S VFS Cache    104    1017     387        1285       0     126     146016        0
        malloc-256    256     163     407        1842       0      62     145920        0
      malloc-65536  65536       0       2           2       0       1     131072        0
      malloc-65536  65536       0       2         118       0       1     131072        0
      malloc-65536  65536       2       0           2       0       1     131072        0
      malloc-32768  32768       2       2          16       0       1     131072        0
      malloc-32768  32768       0       4           6       0       1     131072        0
       mbuf_packet    256      10     498         423       0     254     130048        0
       malloc-4096   4096      23       7          98       0       2     122880        0
              PROC   1376      75      13        1149       0       8     121088        0
          ksiginfo    112      67     977         183       0     126     116928        0
      malloc-16384  16384       4       3           8       0       1     114688        0
       malloc-4096   4096       4      20          28       0       2      98304        0
             g_bio    408       0     240        8737       0      30      97920        0
         filedesc0   1072      74      17        1164       0       8      97552        0
        malloc-256    256     264     111        1055       0      62      96000        0
          UMA Kegs    384     226       7         227       0      30      89472        0
       malloc-8192   8192       7       3          17       0       1      81920        0
        malloc-384    384     148      32         492       0      30      69120        0
        128 Bucket   1024      51      16         266       0      16      68608        0
         malloc-64     64     562     509        1890       0     254      68544        0
         malloc-64     64     588     483        2704       0     254      68544        0
        malloc-128    128     439      88         660       0     126      67456        0
        malloc-128    128     325     202         878       0     126      67456        0
      malloc-65536  65536       1       0           1       0       1      65536        0
       malloc-1024   1024      14      50         526       0      16      65536        0
         64 Bucket    512      90      38        2100       0      30      65536        0
        malloc-256    256     169      86         656       0      62      65280        0
         32 Bucket    256      81     174         439       0      62      65280        0
         udp_inpcb    408      11     142         264       0      30      62424        0
sctp_stream_msg_out    112       2     538           3       0     254      60480        0
         malloc-64     64     289     530       15718       0     254      52416        0
             Files     80     282     368        9225       0     126      52000        0
        malloc-128    128      93     310        1119       0     126      51584        0
        malloc-128    128     139     264         246       0     126      51584        0
           ttyoutq    256      72     123         304       0      62      49920        0
        malloc-256    256      78     117         595       0      62      49920        0
        malloc-256    256      32     163        1130       0      62      49920        0
           DIRHASH   1024      34      14          36       0      16      49152        0
             NAMEI   1024       0      48       15722       0      16      49152        0
       malloc-2048   2048       9      15          36       0       8      49152        0
       malloc-2048   2048      11      13          78       0       8      49152        0
           VMSPACE    584      52      32        1122       0      16      49056        0
        malloc-384    384      22      98         385       0      30      46080        0
        malloc-384    384      71      49         559       0      30      46080        0
            da_ccb    544       0      84        2303       0      16      45696        0
             ripcb    376      76      44         115       0      30      45120        0
          syncache    168       0     264           4       0     254      44352        0
         tcp_inpcb   1304      11      22          86       0       8      43032        0
       malloc-8192   8192       3       2          86       0       1      40960        0
       malloc-4096   4096       5       5          21       0       2      40960        0
            pcpu-8      8    4709     411        4918       0     254      40960        0
              pipe    736      25      30         428       0      16      40480        0
        sctp_readq    152       0     260           1       0     254      39520        0
         hostcache     64       2     565           2       0     254      36288        0
         malloc-64     64      12     555          50       0     254      36288        0
         malloc-64     64     146     421        1874       0     254      36288        0
         malloc-64     64       0     567         842       0     254      36288        0
         malloc-64     64     104     463         440       0     254      36288        0
        malloc-128    128      43     236        3622       0     126      35712        0
      ktls_session    256       0     135           3       0      62      34560        0
     routing nhops    256      27     108          37       0      62      34560        0
        malloc-256    256      30     105         550       0      62      34560        0
        malloc-256    256      68      67         120       0      62      34560        0
        malloc-256    256      17     118         437       0      62      34560        0
         TURNSTILE    136     177      75         177       0      62      34272        0
        SLEEPQUEUE     88     177     207         177       0     126      33792        0
      malloc-32768  32768       0       1           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-32768  32768       1       0           1       0       1      32768        0
      malloc-16384  16384       0       2         190       0       1      32768        0
       malloc-8192   8192       3       1          45       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-8192   8192       2       2          24       0       1      32768        0
       malloc-8192   8192       4       0           4       0       1      32768        0
       malloc-2048   2048       9       7          21       0       8      32768        0
       malloc-2048   2048       3      13          47       0       8      32768        0
       malloc-2048   2048       3      13           4       0       8      32768        0
       malloc-2048   2048       4      12         195       0       8      32768        0
       malloc-1024   1024       2      30          50       0      16      32768        0
       malloc-1024   1024       4      28        1179       0      16      32768        0
       malloc-1024   1024      10      22         173       0      16      32768        0
       malloc-1024   1024       8      24         220       0      16      32768        0
       malloc-1024   1024      16      16          18       0      16      32768        0
        malloc-512    512       1      63         111       0      30      32768        0
        malloc-512    512       4      60          15       0      30      32768        0
        malloc-512    512       2      62          87       0      30      32768        0
        malloc-512    512       0      64          41       0      30      32768        0
        malloc-512    512       2      62          32       0      30      32768        0
        malloc-512    512       9      55          10       0      30      32768        0
           pcpu-64     64     496      16         496       0     254      32768        0
            ttyinq    160     135      65         570       0      62      32000        0
              PGRP    120      20     244          54       0     126      31680        0
            clpbuf   2624       0      12          61       0       4      31488        0
        sctp_laddr     48      17     571          31       0     254      28224        0
          rl_entry     48       3     585           4       0     254      28224        0
         malloc-32     32     335     547         785       0     254      28224        0
         16 Bucket    144      62     134         326       0      62      28224        0
          4 Bucket     48       6     582          11       0     254      28224        0
               AIO    208       1     132          20       0      62      27664        0
     udplite_inpcb    408       5      58          22       0      30      25704        0
            cpuset    200       8     120          14       0      62      25600        0
               PWD     40      36     570         225       0     254      24240        0
           rtentry    168      29     115          37       0      62      24192        0
          8 Bucket     80      60     240         376       0     126      24000        0
        malloc-384    384      24      36          71       0      30      23040        0
         domainset     40       0     567           3       0     254      22680        0
       Mountpoints   2816       2       6          10       0       4      22528        0
              ertt     72      11     269          86       0     126      20160        0
         malloc-32     32      54     576         227       0     254      20160        0
         malloc-32     32     227     403         724       0     254      20160        0
         malloc-32     32     134     496         963       0     254      20160        0
         malloc-32     32      14     616        1601       0     254      20160        0
         malloc-32     32      31     599        3693       0     254      20160        0
          2 Bucket     32      78     552         447       0     254      20160        0
             KNOTE    160       0     125         140       0      62      20000        0
       tcp_bbr_map    128       0     155           3       0     126      19840        0
        malloc-128    128      39     116         121       0     126      19840        0
           cryptop    280       0      70           7       0      30      19600        0
             AIOCB    552       0      35          24       0      16      19320        0
       L VFS Cache    320       0      60          13       0      30      19200        0
            AIOLIO    272       0      70           3       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-8192   8192       2       0           2       0       1      16384        0
       malloc-8192   8192       1       1           2       0       1      16384        0
       malloc-4096   4096       1       3           9       0       2      16384        0
       malloc-4096   4096       1       3         397       0       2      16384        0
       malloc-1024   1024       1      15           1       0      16      16384        0
        malloc-512    512       4      28          55       0      30      16384        0
        malloc-512    512       1      31           1       0      30      16384        0
           SMR CPU     32       8     503           8       0     254      16352        0
       tcp_bbr_pcb    896       0      18           2       0      16      16128        0
               ipq     56       1     287           1       0     254      16128        0
            mqueue    248       1      63           1       0      62      15872        0
              kenv    258      17      43        1072       0      30      15480        0
      tcp_rack_pcb   1088       0      14           1       0       8      15232        0
            mqnode    416       4      32           4       0      30      14976        0
        SMR SHARED     24       8     503           8       0     254      12264        0
    ertt_txseginfo     40       0     303        1383       0     254      12120        0
         malloc-32     32      11     367          59       0     254      12096        0
         malloc-16     16      34     716         115       0     254      12000        0
         malloc-16     16      34     716         251       0     254      12000        0
         malloc-16     16      33     717          48       0     254      12000        0
         malloc-16     16     222     528        3240       0     254      12000        0
         malloc-16     16       4     746        1070       0     254      12000        0
         malloc-16     16     346     404        2077       0     254      12000        0
         malloc-16     16      23     727       24812       0     254      12000        0
            itimer    352       0      33           4       0      30      11616        0
            splice    184       0      63           2       0      62      11592        0
        malloc-384    384       1      29           1       0      30      11520        0
        malloc-384    384       1      29           1       0      30      11520        0
       malloc-4096   4096       0       2          12       0       2       8192        0
           pcpu-16     16       8     504           8       0     254       8192        0
      vtnet_tx_hdr     24       0     334        2202       0     254       8016        0
       UMA Slabs 1    176       9      13           9       0      62       3872        0
        KMAP ENTRY     96      12      27          25       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    152       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    256       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 UDP mappings    104       0       0           0       0     126          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    384       0       0           0       0     254          0        0
           pf tags    104       0       0           0       0     126          0        0
          pf mtags    184       0       0           0       0      62          0        0
      tcp_rack_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
   sctp_asconf_ack     48       0       0           0       0     254          0        0
       sctp_asconf     40       0       0           0       0     254          0        0
   tcp_log_id_node    120       0       0           0       0     126          0        0
 tcp_log_id_bucket    176       0       0           0       0      62          0        0
          tcpreass     48       0       0           0       0     254          0        0
    IPsec SA lft_c     16       0       0           0       0     254          0        0
        mqnotifier    216       0       0           0       0      62          0        0
            mvdata     64       0       0           0       0     254          0        0
        TMPFS node    240       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
     STS VFS Cache    144       0       0           0       0      62          0        0
  linux_dma_object     32       0       0           0       0     254          0        0
  linux_dma_pctrie    152       0       0           0       0      62          0        0
   IOMMU_MAP_ENTRY    112       0       0           0       0     126          0        0
            skbuff   1808       0       0           0       0       8          0        0
    mbuf_jumbo_16k  16384       0       0           0       0     254          0        0
     mbuf_jumbo_9k   9216       0       0           0       0     254          0        0
      audit_record   1280       0       0           0       0       8          0        0
        MAC labels     40       0       0           0       0     254          0        0
            vnpbuf   2624       0       0           0       0      16          0        0
           nfspbuf   2624       0       0           0       0       4          0        0
            swwbuf   2624       0       0           0       0       2          0        0
            swrbuf   2624       0       0           0       0       4          0        0
          umtx_shm     88       0       0           0       0     126          0        0
           umtx pi     96       0       0           0       0     126          0        0
rangeset pctrie nodes    152       0       0           0       0      62          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-65536  65536       0       0           0       0       1          0        0
      malloc-32768  32768       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
      malloc-16384  16384       0       0           0       0       1          0        0
       malloc-4096   4096       0       0           0       0       2          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
db> show all tcpcbs/l

Crashes (49):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/31 13:51 freebsd-src e86d9dd6cee1 3d2f584d console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/29 16:57 freebsd-src 19fb56b19244 3d2f584d console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/28 18:43 freebsd-src 1bf4adf8cc9a 3d2f584d console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/14 12:02 freebsd-src d4147ad1a2b9 a4fa04ef console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/05 00:19 freebsd-src 83507f9e6fed b0714e37 console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/03 12:03 freebsd-src d5931764df7f b0714e37 console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/02 03:50 freebsd-src 2735c20d114f 51b137cd console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/03/26 11:09 freebsd-src 6d58c670060a 89d30d73 console log report ci-freebsd-main panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/31 04:01 freebsd-src f2a193a967e3 3d2f584d console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/30 19:58 freebsd-src 955ab1a8f21e 3d2f584d console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/26 22:49 freebsd-src 9ce5410b9094 06877188 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/25 17:03 freebsd-src bada3811884c ed351ea7 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/18 07:49 freebsd-src 6b8222793fbb f41472b0 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/15 15:04 freebsd-src b3fe9014c321 cfde8269 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/14 02:34 freebsd-src 91c9751c3913 7344edeb console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/13 17:44 freebsd-src afb0eadf97b2 9497799b console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/13 17:16 freebsd-src afb0eadf97b2 9497799b console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/13 15:52 freebsd-src afb0eadf97b2 9497799b console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/13 05:19 freebsd-src eed3be47967f f6671af7 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/13 02:07 freebsd-src eed3be47967f f6671af7 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/12 04:00 freebsd-src b0dd1a604810 77908e5f console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/11 07:27 freebsd-src 2a042fab4f91 77908e5f console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/10 09:27 freebsd-src 6b78da357ddc 77908e5f console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/09 02:14 freebsd-src b064317fa8de bb813bcc console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/08 15:54 freebsd-src 354fb783e6d5 dbf35fa1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/08 13:47 freebsd-src 354fb783e6d5 dbf35fa1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/07 15:41 freebsd-src f22326c73eeb dbf35fa1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/06 11:30 freebsd-src dd2d27092388 ae98e6b9 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/06 02:27 freebsd-src 9ab96b38215e ae98e6b9 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/04 05:19 freebsd-src 75d173a84836 b0714e37 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/03 20:59 freebsd-src d5931764df7f b0714e37 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/03 18:42 freebsd-src d5931764df7f b0714e37 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/02 19:22 freebsd-src 68daa781c1f1 d7f099d1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/02 15:25 freebsd-src 68daa781c1f1 d7f099d1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/05/01 10:31 freebsd-src 28e89934a9be ce7952f4 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/04/29 21:48 freebsd-src 8f58b693814e 4a62c0b1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/04/29 21:06 freebsd-src 8f58b693814e 4a62c0b1 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/04/28 12:01 freebsd-src 4494ea5406f7 c6b4fb39 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/04/28 00:55 freebsd-src fe4bdd889b5d c6b4fb39 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/04/26 21:30 freebsd-src 52cc1708f5af c6b4fb39 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/04/26 21:13 freebsd-src 52cc1708f5af c6b4fb39 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/02/04 16:17 freebsd-src ff977fd34b4b 4baca3d6 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2025/01/13 10:20 freebsd-src 1f1894ed3415 249ceea9 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2024/12/23 09:36 freebsd-src 38b67578fb4b 444551c4 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2024/12/09 11:19 freebsd-src 5b59b0c61e29 9ac0fdc6 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
2024/12/08 21:41 freebsd-src 1e99be5dcda2 9ac0fdc6 console log report ci-freebsd-i386 panic: pmap_demote_pde: a wired mapping is missing PG_A
* Struck through repros no longer work on HEAD.