syzbot


assert "pg->wire_count != NUM" failed in uvm_page.c

Status: upstream: reported on 2025/12/22 15:16
Reported-by: syzbot+db99726653fba0697bd8@syzkaller.appspotmail.com
First crash: 71d, last: 17d

Sample crash report:
panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1250
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 472762  84756      0         0x2        0x1    1  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833b68b9) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff833f259d,ffffffff833e33df,4e2,ffffffff83343921) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pageunwire(fffffd800934ecf8) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249
uvm_fault_unwire_locked(fffffd800d7f7d78,830be91000,830be92000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790
uvm_unmap_kill_entry_withlock(fffffd800d7f7d78,fffffd806c7747a0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860
uvm_map_teardown(fffffd800d7f7d78) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd800d7f7d78) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2491
exit1(ffff8000fffe87e8,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff8000fffe87e8,ffff80003c442dc0,ffff80003c442d10) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c442dc0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c442dc0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x736dbfcd07a0, count: 4
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
*cpu0: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 1250
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833b68b9) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff833f259d,ffffffff833e33df,4e2,ffffffff83343921) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pageunwire(fffffd800934ecf8) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249
uvm_fault_unwire_locked(fffffd800d7f7d78,830be91000,830be92000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790
uvm_unmap_kill_entry_withlock(fffffd800d7f7d78,fffffd806c7747a0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860
uvm_map_teardown(fffffd800d7f7d78) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd800d7f7d78) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2491
exit1(ffff8000fffe87e8,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff8000fffe87e8,ffff80003c442dc0,ffff80003c442d10) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c442dc0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c442dc0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x736dbfcd07a0, count: -11
ddb{0}> show registers
rdi                                0
rsi                              0x1
rbp               0xffff80003c4429e0
rbx               0xffffffff83864e07    cpu_info_full_primary+0x2e07
rdx                                0
rcx               0xffff8000fffe87e8
rax               0xffffffff83863ff0    cpu_info_full_primary+0x1ff0
r8                 0x101010101010101
r9                0x8080808080808080
r10               0x553a1d6161d6a3d6
r11               0x9f5b898c103ca73c
r12               0xffffffff83864c08    cpu_info_full_primary+0x2c08
r13                                0
r14                                0
r15                              0x1
rip               0xffffffff82eec745    db_enter+0x25
cs                               0x8
rflags                         0x246
rsp               0xffff80003c4429d0
ss                              0x10
db_enter+0x25:  addq    $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=248502 pid=7646 tcnt=0 stat=onproc
    flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
    runpri=32, usrpri=50, slppri=32, nice=20
    wchan=0x0, wmesg=, ps_single=0xffff8000fffe87e8 scnt=-1 ecnt=1
    forw=0xffffffffffffffff, list=0xffff80002a260d10,0xffff8000fffe8560
    process=0xffff800037fe4e90 user=0xffff80003c43d000, vmspace=0xfffffd800d7f7d78
    estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=2, intr=0
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
   682  109410  85841      0  2           0                syz-executor
   682   64147  85841      0  2   0x4000000                syz-executor
 40347  420079  34463      0  2           0                syz-executor
 50944  176458  84756      0  2           0                syz-executor
  3735  266190  13982      0  2           0                syz-executor
  3735  481136  13982      0  3   0x4000080  fsleep        syz-executor
 83264  484703      0      0  3     0x14280  nfsidl        nfsio
 45277  475933      0      0  3     0x14280  nfsidl        nfsio
 19870   53513      0      0  3     0x14280  nfsidl        nfsio
 96687  131147      0      0  3     0x14280  nfsidl        nfsio
  2232   72572      0      0  3     0x14280  nfsidl        nfsio
 90271  183924      0      0  3     0x14280  nfsidl        nfsio
 11910  163047      0      0  3     0x14280  nfsidl        nfsio
  9426  361785      0      0  3     0x14280  nfsidl        nfsio
 96001   42678      0      0  3     0x14280  nfsidl        nfsio
 25217  409664      0      0  3     0x14280  nfsidl        nfsio
 25661  196949      0      0  3     0x14280  nfsidl        nfsio
 16942  286711      0      0  3     0x14280  nfsidl        nfsio
 30649  264263      0      0  3     0x14280  nfsidl        nfsio
 48301  452668      0      0  3     0x14280  nfsidl        nfsio
 97178  249728      0      0  3     0x14280  nfsidl        nfsio
 26255  287285      0      0  3     0x14280  nfsidl        nfsio
 48271  196705      0      0  3     0x14280  nfsidl        nfsio
 14108  253916      0      0  3     0x14280  nfsidl        nfsio
 16828   40147      0      0  3     0x14280  nfsidl        nfsio
 58895  186016      0      0  3     0x14280  nfsidl        nfsio
 28113    5645  53117      0  2           0                syz-executor
 28113  200241  53117      0  3   0x4000080  fsleep        syz-executor
 48282  118907  80684      0  2           0                syz-executor
 48282  456905  80684      0  3   0x4000080  fsleep        syz-executor
 48282  427758  80684      0  3   0x4000080  fsleep        syz-executor
 43512  283121  49928  60929  2        0x10                syz-executor
 43512  464420  49928  60929  3   0x4000090  fsleep        syz-executor
 49928  507831  92728      0  2         0x2                syz-executor
 16292  400708  92728      0  2       0xc82                syz-executor
 80684  465475  92728      0  2       0xc82                syz-executor
 13982  187693  92728      0  2       0xc82                syz-executor
 84756  472762  92728      0  7         0x3                syz-executor
 34463   78307  92728      0  2       0xc82                syz-executor
 85841  171365  92728      0  2       0xc82                syz-executor
 53117  509790  92728      0  2       0xc82                syz-executor
 92728  264418  22742      0  2         0x2                syz-executor
 22742  484264  45140      0  3    0x10008a  sigsusp       ksh
 45140  509492  39337      0  3        0x98  kqread        sshd-session
 39337  385487  96944      0  3        0x92  kqread        sshd-session
 97486  286040      1      0  3    0x100083  ttyin         getty
 96944  405784      1      0  3        0x88  kqread        sshd
 51991  178629  35197     74  3   0x1100092  bpf           pflogd
 35197  421194      1      0  3        0x80  sbwait        pflogd
 16302  187295  10306     73  3   0x1100090  kqread        syslogd
 10306  416979      1      0  3    0x100082  sbwait        syslogd
 31236  278059      1      0  3    0x100080  kqread        resolvd
 58516   21927  70415     77  3    0x100092  kqread        dhcpleased
 59106  365789  70415     77  3    0x100092  kqread        dhcpleased
 70415  278932      1      0  3        0x80  kqread        dhcpleased
 74606  521060      0      0  3     0x14200  bored         smr
 53642  485913      0      0  2     0x14200                zerothread
 29600  108104      0      0  3     0x14200  aiodoned      aiodoned
 64361  398502      0      0  3     0x14200  syncer        update
 11591  208476      0      0  3     0x14200  cleaner       cleaner
 59862  201029      0      0  3     0x14200  reaper        reaper
 20203   53934      0      0  3     0x14200  pgdaemon      pagedaemon
 20284   76364      0      0  3     0x14200  bored         viomb
 40767  245087      0      0  3  0x40014200  acpi0         acpi0
 45979   52904      0      0  3  0x40014200                idle1
  7785    8941      0      0  3     0x14200  bored         softnet1
 50642  174578      0      0  3     0x14200  bored         softnet0
 53929  175170      0      0  3     0x14200  bored         systqmp
  6575  169603      0      0  3     0x14200  bored         systq
 18853  470522      0      0  3     0x14200  tmoslp        softclockmp
 17152  399650      0      0  3  0x40014200  tmoslp        softclock
 53748   18242      0      0  3  0x40014200                idle0
     1  407968      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim
         devbuf 11050  12075K   12345K 166960K     12454        0
            pcb    18     12K      12K 166960K        49        0
         rtable   163      5K       7K 166960K       394        0
             pf    29     16K      18K 166960K        48        0
         ifaddr    32      5K       7K 166960K        49        0
        ifgroup    43      2K       2K 166960K        64        0
         sysctl     3      1K       9K 166960K         8        0
       counters    64     36K      37K 166960K        82        0
       ioctlops     0      0K       4K 166960K      1489        0
            iov     0      0K      12K 166960K        40        0
          mount     1      1K       1K 166960K         1        0
            log     0      0K       0K 166960K         4        0
         vnodes  1530     96K      96K 166960K      1741        0
      UFS quota     1     32K      32K 166960K         1        0
      UFS mount     5     36K      36K 166960K         5        0
            shm     2      1K       5K 166960K         3        0
         VM map     2      1K       1K 166960K         2        0
            sem     5      0K       0K 166960K         5        0
        dirhash    12      2K       2K 166960K        18        0
           ACPI  1692    195K     286K 166960K     12470        0
      file desc    17     61K      97K 166960K       259        0
          sigio     0      0K       0K 166960K         2        0
           proc    72    115K     164K 166960K       531        0
        subproc    72      4K       4K 166960K        72        0
    NFS srvsock     1      0K       0K 166960K         1        0
     NFS daemon     1     16K      16K 166960K         1        0
    ip_moptions     0      0K       0K 166960K        26        0
       in_multi    63      4K       7K 166960K       103        0
    ether_multi     1      0K       0K 166960K         3        0
            mrt     0      0K       0K 166960K         4        0
    ISOFS mount     1     32K      32K 166960K         1        0
  MSDOSFS mount     1     16K      16K 166960K         1        0
           ttys    73    334K     334K 166960K        73        0
           exec     0      0K       1K 166960K       392        0
   fusefs mount     1     32K      32K 166960K         1        0
     pfkey data     0      0K       0K 166960K         1        0
            tdb     3      0K       0K 166960K         3        0
        VM swap     8     62K      64K 166960K        10        0
       UVM amap   234    161K     173K 166960K      4235        0
       UVM aobj     6      4K       6K 166960K         7        0
     pinsyscall    42     84K     104K 166960K      1396        0
        memdesc     1      4K       4K 166960K         1        0
    crypto data     1      1K       1K 166960K         1        0
    ip6_options     0      0K       0K 166960K         4        0
            NDP     9      0K       2K 166960K        31        0
           temp    38   8678K    8746K 166960K     10797        0
         kqueue    13     20K      26K 166960K        53        0
      SYN cache     2     16K      16K 166960K         2        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
plcache    128       26    0        0     1     0     1     1     0     8    0
rtpcb      120       41    0       38     1     0     1     1     0     8    0
rtentry    176      127    0       57     6     0     6     6     0     8    0
unpcb      144      217    0      200     4     0     4     4     0     8    3
syncache   336        4    0        4     1     0     1     1     0     8    1
tcpqe       32        1    0        1     1     0     1     1     0     8    1
tcpcb      736      110    0      105     7     0     7     7     0     8    6
arp        136       23    0       10     1     0     1     1     0     8    0
inpcb      328      238    0      227     7     0     7     7     0     8    5
nd6        152       24    0        9     1     0     1     1     0     8    0
pkpcb       40        1    0        1     1     0     1     1     0     8    1
kcovpl      48        8    0        0     1     0     1     1     0     8    0
ppxss      1192       5    0        5     1     0     1     1     0     8    1
pfstscr     40        1    0        0     1     0     1     1     0     8    0
pffrag     232        1    0        0     1     0     1     1     0   482    0
pffrnode    88        1    0        0     1     0     1     1     0     8    0
pffrent     40        1    0        0     1     0     1     1     0     8    0
pfosfp      40     1428    0     1005     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pftag       88        1    0        0     1     0     1     1     0     8    0
pfstitem    24        2    0        0     1     0     1     1     0     8    0
pfstkey    128        2    0        0     1     0     1     1     0     8    0
pfstate    448        1    0        0     1     0     1     1     0     8    0
pfrule     1360       1    0        1     1     0     1     1     0     8    1
rttmr      136        1    0        1     1     0     1     1     0     8    1
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      466    0      178    29     0    29    29     0     8    5
art_table   40      467    0      178     5     0     5     5     0     8    0
art_node    32      127    0       66     1     0     1     1     0     8    0
semapl     112        3    0        0     1     0     1     1     0     8    0
shmpl      112        2    0        0     1     0     1     1     0     8    0
dirhash    1024      21    0        4     3     0     3     3     0     8    0
dino2pl    256     1892    0      386    95     0    95    95     0     8    0
ffsino     296     1892    0      386   117     0   117   117     0     8    0
nchpl      144     2248    0      547    64     0    64    64     0     8    0
rtmask      32        2    0        2     1     0     1     1     0     8    1
vnodes     216     2235    0        0   125     0   125   125     0     8    0
namei      1024    7266    0     7266     1     0     1     1     0     8    1
percpumem   16       56    0        9     1     0     1     1     0     8    0
vcpupl     3968       1    0        0     1     0     1     1     0     8    0
vmpool     848        2    0        1     1     0     1     1     0     8    0
kstatmem   264       32    0       12     2     0     2     2     0     8    0
scxspl     216     7320    0     7320     3     1     2     2     1     8    2
plimitpl   152       43    0       25     1     0     1     1     0     8    0
sigapl     424      591    0      523     8     0     8     8     0     8    0
knotepl    120      297    0        0     9     0     9     9     0     8    0
kqueuepl   224      134    0      123     5     0     5     5     0     8    4
pipepl     344      124    0       97     3     0     3     3     0     8    0
fdescpl    528      555    0      524     3     0     3     3     0     8    0
filepl     160     2920    0     2700    22     1    21    22     0     8   11
lockfpl    104       71    0       69     1     0     1     1     0     8    0
lockfspl    48       32    0       30     1     0     1     1     0     8    0
sessionpl  144       22    0       13     1     0     1     1     0     8    0
pgrppl      48       33    0       16     1     0     1     1     0     8    0
ucredpl    104      419    0      405     1     0     1     1     0     8    0
zombiepl   144      524    0      523     1     0     1     1     0     8    0
processpl  1232     591    0      523     6     0     6     6     0     8    0
procpl     664      797    0      723     7     0     7     7     0     8    0
sosppl     176        1    0        1     1     0     1     1     0     8    1
sockpl     752      500    0      468    11     0    11    11     0     8    7
mcl64k     65536      2    0        0     1     0     1     1     0     8    0
mcl16k     16384      1    0        0     1     0     1     1     0     8    0
mcl12k     12288      1    0        0     1     0     1     1     0     8    0
mcl8k      8192       1    0        0     1     0     1     1     0     8    0
mcl4k      4096     117    0        0    15     0    15    15     0     8    0
mcl2k      2048      19    0        0     3     0     3     3     0     8    0
mtagpl      96        3    0        0     1     0     1     1     0     8    0
mbufpl     256      138    0        0     9     0     9     9     0     8    0
bufpl      280     4843    0      128   337     0   337   337     0     8    0
anonpl      32     8279    0        0    67     0    67    67     0   246    0
amapchunkpl 152   13186    0    12457    31     0    31    31     0   158    1
amappl16   200     2179    0     2150     5     3     2     5     0     8    0
amappl15   192        4    0        3     1     0     1     1     0     8    0
amappl14   184        6    0        6     1     1     0     1     0     8    0
amappl13   176      431    0      430     1     0     1     1     0     8    0
amappl12   168      914    0      873     3     0     3     3     0     8    0
amappl11   160        5    0        5     1     1     0     1     0     8    0
amappl10   152       51    0       37     1     0     1     1     0     8    0
amappl9    144      260    0      260     1     1     0     1     0     8    0
amappl8    136       25    0       23     1     0     1     1     0     8    0
amappl7    128       93    0       92     1     0     1     1     0     8    0
amappl6    120      276    0      263     1     0     1     1     0     8    0
amappl5    112      114    0      103     1     0     1     1     0     8    0
amappl4    104      418    0      389     1     0     1     1     0     8    0
amappl3     96     2022    0     1932     4     1     3     3     0     8    0
amappl2     88      662    0      589     2     0     2     2     0     8    0
amappl1     80     9664    0     9072    14     0    14    14     0     8    1
amappl      88     3485    0     3329     5     0     5     5     0    92    0
uvmvnodes   80      104    0        0     3     0     3     3     0     8    0
dma4096    4096       1    0        1     1     1     0     1     0     8    0
dma1024    1024       1    0        0     1     0     1     1     0     8    0
dma256     256        6    0        6     1     1     0     1     0     8    0
dma128     128      253    0      253     1     1     0     1     0     8    0
dma64       64        6    0        6     1     1     0     1     0     8    0
dma32       32        7    0        7     1     1     0     1     0     8    0
dma16       16       18    0       17     1     0     1     1     0     8    0
aobjpl      72        6    0        1     1     0     1     1     0     8    0
uaddrrnd    24      555    0      523     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24      555    0      523     1     0     1     1     0     8    0
vmmpekpl   168     6330    0     6297     2     0     2     2     0     8    0
vmmpepl    168    42940    0    41019    87     0    87    87     0   357    2
vmsppl     488      554    0      523     5     0     5     5     0     8    1
rwobjpl     80    15011    0    13997    24     0    24    24     0     8    1
pdppl      4096    1122    0     1049   102    29    73    88     0     8    0
pvpl        32    29749    0        0   240     0   240   240     0   265    0
pmappl     256      556    0      524     3     0     3     3     0     8    0
extentpl    40       45    0       27     1     0     1     1     0     8    0
phpool     112      277    0       31     8     0     8     8     0     8    0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833b68b9) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff833f259d,ffffffff833e33df,4e2,ffffffff83343921) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pageunwire(fffffd800934ecf8) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1249
uvm_fault_unwire_locked(fffffd800d7f7d78,830be91000,830be92000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790
uvm_unmap_kill_entry_withlock(fffffd800d7f7d78,fffffd806c7747a0,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1860
uvm_map_teardown(fffffd800d7f7d78) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffffd800d7f7d78) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2491
exit1(ffff8000fffe87e8,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260
sys_exit(ffff8000fffe87e8,ffff80003c442dc0,ffff80003c442d10) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c442dc0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c442dc0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x736dbfcd07a0, count: -11
ddb{0}> machine ddbcpu 1
Stopped at      x86_ipi_db+0x27:        addq    $0x8,%rsp
x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff838d1d80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838d1d80) at __mp_lock+0x192 sys/kern/kern_lock.c:173
ktrsysret(ffff8000ffffd230,5b,0,ffff80002a346a70) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff8000ffffd230,5b,0,ffff80002a346a70) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a346b20) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a346b20) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:796
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c7b3a2e1730, count: 8
ddb{1}> trace
x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394
x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27
__mp_lock(ffffffff838d1d80) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline]
__mp_lock(ffffffff838d1d80) at __mp_lock+0x192 sys/kern/kern_lock.c:173
ktrsysret(ffff8000ffffd230,5b,0,ffff80002a346a70) at ktrsysret+0xde ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline]
ktrsysret(ffff8000ffffd230,5b,0,ffff80002a346a70) at ktrsysret+0xde sys/kern/kern_ktrace.c:209
syscall(ffff80002a346b20) at syscall+0xa50 mi_syscall_return sys/sys/syscall_mi.h:204 [inline]
syscall(ffff80002a346b20) at syscall+0xa50 sys/arch/amd64/amd64/trap.c:796
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7c7b3a2e1730, count: -7

Crashes (8982):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/14 07:41 openbsd dca435757bf3 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/14 02:09 openbsd 002f3ac1824d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/13 17:18 openbsd 002f3ac1824d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/13 15:44 openbsd 7d8bc7d2b639 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/13 11:23 openbsd 7d8bc7d2b639 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/13 06:15 openbsd 829f23bb157c 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/12 12:55 openbsd 012cf974ca6d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/12 03:58 openbsd fad87c8e2325 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/12 02:16 openbsd fad87c8e2325 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/11 20:51 openbsd fad87c8e2325 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/11 17:17 openbsd fad87c8e2325 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/11 14:53 openbsd 960213463517 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/11 07:05 openbsd 960213463517 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/10 08:44 openbsd 7db5826dada7 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/10 05:59 openbsd 7db5826dada7 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/10 04:49 openbsd 7db5826dada7 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/10 03:11 openbsd 7db5826dada7 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/09 21:01 openbsd a82d9bb4a825 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/09 13:42 openbsd a82d9bb4a825 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/09 09:26 openbsd e6ae0557afc8 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/09 02:50 openbsd e6ae0557afc8 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 22:44 openbsd 6a5ee414a02d 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 19:14 openbsd 9d884ef6f275 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 17:30 openbsd 9d884ef6f275 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 13:47 openbsd 9d884ef6f275 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 12:39 openbsd 9d884ef6f275 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 05:51 openbsd 468b83701423 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 02:50 openbsd 468b83701423 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/07 01:25 openbsd 468b83701423 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/06 21:20 openbsd 468b83701423 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/06 19:46 openbsd 468b83701423 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/06 16:36 openbsd fb820f9a8913 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/06 00:05 openbsd 46e16b2b21c5 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/05 21:31 openbsd 46e16b2b21c5 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/05 08:07 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/05 07:54 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/05 05:23 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/05 02:43 openbsd f4cdf487c26e 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/04 18:17 openbsd 3e29b976dc48 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/04 15:51 openbsd 3e29b976dc48 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-setuid assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/04 13:36 openbsd 3e29b976dc48 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/04 08:25 openbsd 75991a0e19ad 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/04 05:54 openbsd 75991a0e19ad 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/04 01:58 openbsd 75991a0e19ad 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore assert "pg->wire_count != NUM" failed in uvm_page.c
2026/02/03 15:04 openbsd 72466e384590 018ebef2 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
2025/12/22 15:15 openbsd 7a245af8e4c1 607f1549 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-main assert "pg->wire_count != NUM" failed in uvm_page.c
* Struck through repros no longer work on HEAD.