login: uvm_fault(0xffffffff82654d58, 0xa, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      vio_rxeof+0x191:        movzwl  0xa(%r15),%eax
ddb{0}> 
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xffffffff82654d58, 0xa, 0, 1) -> e
vio_rxeof(ffff800000173000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
end trace frame: 0xffff800020a1f850, count: 0
ddb{0}> trace
vio_rxeof(ffff800000173000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018
vio_rx_intr(ffff800000173050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1054
intr_handler(ffff800020a1f8b0,ffff80000024db00) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529
Xintr_ioapic_edge19_untramp(0,3,1388,0,0,ffff80000001dae0) at Xintr_ioapic_edge19_untramp+0x19f
acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187
sched_idle(ffffffff8247aff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:181
end trace frame: 0x0, count: -6
ddb{0}> show registers
rdi                              0xc
rsi                              0xc
rbp               0xffff800020a1f7f0
rbx               0xffff800000173000
rdx                                0
rcx               0xffff8000001a4000
rax                              0xc
r8                               0x2
r9                                 0
r10               0xce47ed7ca09bc2e9
r11               0x31b8128321899af6
r12               0xffff80000001ce00
r13                              0xc
r14               0xfffffd806f09b900
r15                                0
rip               0xffffffff8133aac1    vio_rxeof+0x191
cs                               0x8
rflags                       0x10246    __ALIGN_SIZE+0xf246
rsp               0xffff800020a1f760
ss                              0x10
vio_rxeof+0x191:        movzwl  0xa(%r15),%eax
ddb{0}> show proc
PROC (idle0) pid=42186 stat=onproc
    flags process=14000<NOZOMBIE,SYSTEM> proc=40000200<SYSTEM,CPUPEG>
    pri=0, usrpri=50, nice=20
    forw=0x2d43606c63eee075, list=0xffff800020a11638,0xffff800020a10ee0
    process=0xffff800020a13500 user=0xffff800020a1a000, vmspace=0xffffffff82654d58
    estcpu=0, cpticks=8448, pctcpu=0.0
    user=0, sys=0, intr=1
ddb{0}> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 86702   49747  25810      0  3        0x82  nanosleep     syz-executor.0
 25810  450709  59691      0  3        0x82  nanosleep     syz-execprog
 25810   90575  59691      0  3   0x4000082  nanosleep     syz-execprog
 25810  140282  59691      0  3   0x4000082  thrsleep      syz-execprog
 25810  369039  59691      0  3   0x4000082  thrsleep      syz-execprog
 25810  516929  59691      0  3   0x4000082  thrsleep      syz-execprog
 25810  445120  59691      0  3   0x4000082  thrsleep      syz-execprog
 25810  380313  59691      0  3   0x4000082  thrsleep      syz-execprog
 25810  361157  59691      0  3   0x4000082  thrsleep      syz-execprog
 25810  332807  59691      0  3   0x4000082  kqread        syz-execprog
 25810  189175  59691      0  3   0x4000082  thrsleep      syz-execprog
 59691  240875  11674      0  3    0x10008a  pause         ksh
 11674  423655  38548      0  3        0x92  select        sshd
 18046  293258      1      0  3    0x100083  ttyin         getty
 38548  349913      1      0  3        0x80  select        sshd
  8937   19308  86921     74  3    0x100092  bpf           pflogd
 86921  516226      1      0  3        0x80  netio         pflogd
 82385   57191  83502     73  3    0x100090  kqread        syslogd
 83502  179629      1      0  3    0x100082  netio         syslogd
 87515  106843      1     77  3    0x100090  poll          dhclient
 50004   85786      1      0  3        0x80  poll          dhclient
 94737  233921      0      0  3     0x14200  pgzero        zerothread
  3829  284491      0      0  3     0x14200  aiodoned      aiodoned
 30094  397057      0      0  3     0x14200  syncer        update
 70428  216775      0      0  3     0x14200  cleaner       cleaner
 91911   31812      0      0  3     0x14200  reaper        reaper
 93437  222534      0      0  3     0x14200  pgdaemon      pagedaemon
 98170  135202      0      0  3     0x14200  bored         crynlk
 65244  340624      0      0  3     0x14200  bored         crypto
 39737   50856      0      0  3  0x40014200  acpi0         acpi0
 79066  470280      0      0  7  0x40014200                idle1
 37895  408405      0      0  3     0x14200  bored         softnet
 70580  274280      0      0  3     0x14200  bored         systqmp
 56393  289725      0      0  3     0x14200  bored         systq
  3266  409958      0      0  3  0x40014200  bored         softclock
*39201   42186      0      0  7  0x40014200                idle0
 20795  437224      0      0  3     0x14200  bored         smr
     1   22268      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb{0}> show all locks
Process 39201 (idle0) thread 0xffff800020a11148 (42186)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff826646f0)
#0  witness_lock+0x52e sys/kern/subr_witness.c:1163
#1  intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525
#2  Xintr_ioapic_edge19_untramp+0x19f
#3  acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187
#4  sched_idle+0x3f7 sys/kern/kern_sched.c:181
#5  proc_trampoline+0x1c
ddb{0}> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim Kern Lim
         devbuf  9457   6385K    6385K  78643K     10544        0        0
            pcb    13      8K       8K  78643K        15        0        0
         rtable    77      2K       2K  78643K       165        0        0
         ifaddr    32      9K       9K  78643K      1052        0        0
       counters    39     33K      33K  78643K        39        0        0
       ioctlops     0      0K       4K  78643K      1468        0        0
          mount     1      1K       1K  78643K         1        0        0
         vnodes  1181     74K      74K  78643K      1186        0        0
      UFS quota     1     32K      32K  78643K         1        0        0
      UFS mount     5     36K      36K  78643K         5        0        0
            shm     2      1K       1K  78643K         2        0        0
         VM map     2      1K       1K  78643K         2        0        0
            sem     2      0K       0K  78643K         2        0        0
        dirhash    12      2K       2K  78643K        12        0        0
           ACPI  1808    196K     290K  78643K     12765        0        0
      file desc     2      4K      12K  78643K      1037        0        0
           proc    59     63K      83K  78643K       384        0        0
    NFS srvsock     1      0K       0K  78643K         1        0        0
     NFS daemon     1     16K      16K  78643K         1        0        0
       in_multi    22      1K       1K  78643K        22        0        0
    ether_multi     1      0K       0K  78643K         1        0        0
    ISOFS mount     1     32K      32K  78643K         1        0        0
  MSDOSFS mount     1     16K      16K  78643K         1        0        0
           ttys    18     79K      79K  78643K        18        0        0
           exec     0      0K       1K  78643K       199        0        0
        pagedep     1      8K       8K  78643K         1        0        0
       inodedep     1     32K      32K  78643K         1        0        0
         newblk     1      0K       0K  78643K         1        0        0
        VM swap     7     26K      26K  78643K         7        0        0
       UVM amap    74     12K      12K  78643K      1977        0        0
       UVM aobj     2      2K       2K  78643K         2        0        0
        memdesc     1      4K       4K  78643K         1        0        0
    crypto data     1      1K       1K  78643K         1        0        0
            NDP     5      0K       0K  78643K         7        0        0
           temp    48   3542K    3606K  78643K      5374        0        0
      SYN cache     2     16K      16K  78643K         2        0        0
ddb{0}> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp         64        4    0        1     1     0     1     1     0     8    0
plcache    128       20    0        0     1     0     1     1     0     8    0
rtpcb       80       17    0       15     1     0     1     1     0     8    0
rtentry    112       34    0        4     1     0     1     1     0     8    0
unpcb      120       29    0       19     1     0     1     1     0     8    0
syncache   264        5    0        5     2     2     0     1     0     8    0
tcpcb      544        8    0        5     1     0     1     1     0     8    0
inpcb      280     1053    0     1047     1     0     1     1     0     8    0
nd6         48        2    0        0     1     0     1     1     0     8    0
pfosfp      40      846    0      423     5     0     5     5     0     8    0
pfosfpen   112     1428    0      714    21     0    21    21     0     8    0
pfstitem    24       11    0        2     1     0     1     1     0     8    0
pfstkey    112       11    0        2     1     0     1     1     0     8    0
pfstate    328       11    0        2     1     0     1     1     0     8    0
pfrule     1360      21    0       16     2     1     1     2     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      167    0        2    11     0    11    11     0     8    0
art_table   32      168    0        2     2     0     2     2     0     8    0
art_node    16       33    0        6     1     0     1     1     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino1pl    128     2441    0     1039    46     0    46    46     0     8    0
ffsino     272     2441    0     1039    94     0    94    94     0     8    0
nchpl      144     3699    0     2088    60     0    60    60     0     8    0
uvmvnodes   72     2451    0        0    45     0    45    45     0     8    0
vnodes     208     2451    0        0   129     0   129   129     0     8    0
namei      1024    8218    0     8218     2     1     1     1     0     8    1
percpumem   16       30    0        0     1     0     1     1     0     8    0
scxspl     192    10389    0    10389     9     8     1     7     0     8    1
plimitpl   152       15    0        8     1     0     1     1     0     8    0
sigapl     432     1245    0     1232     2     0     2     2     0     8    0
knotepl    112       39    0       28     1     0     1     1     0     8    0
kqueuepl   104        2    0        0     1     0     1     1     0     8    0
pipepl     112      154    0      141     2     1     1     1     0     8    0
fdescpl    488     1246    0     1232     3     0     3     3     0     8    0
filepl     152     3159    0     3101     3     0     3     3     0     8    0
lockfpl    104        5    0        4     1     0     1     1     0     8    0
lockfspl    48        3    0        2     1     0     1     1     0     8    0
sessionpl  112       19    0        9     1     0     1     1     0     8    0
pgrppl      48       19    0        9     1     0     1     1     0     8    0
ucredpl     96       52    0       43     1     0     1     1     0     8    0
zombiepl   144     1232    0     1231     2     1     1     1     0     8    0
processpl  896     1261    0     1231     4     0     4     4     0     8    0
procpl     632     1270    0     1231     4     0     4     4     0     8    0
sockpl     384     1099    0     1081     2     0     2     2     0     8    0
mcl4k      4096       3    0        0     1     0     1     1     0     8    0
mcl2k      2048      70    0        0     9     0     9     9     0     8    0
mtagpl      80        1    0        0     1     0     1     1     0     8    0
mbufpl     256      114    0        0     6     0     6     6     0     8    0
bufpl      256     6907    0     1315   350     0   350   350     0     8    0
anonpl      16    48861    0    46448    16     6    10    14     0   124    0
amapchunkpl 152    1780    0     1704     5     1     4     5     0   158    0
amappl16   192     4284    0     4200     5     0     5     5     0     8    0
amappl15   184       10    0        8     1     0     1     1     0     8    0
amappl14   176       27    0       24     2     1     1     1     0     8    0
amappl12   160        4    0        3     2     1     1     1     0     8    0
amappl11   152       50    0       35     1     0     1     1     0     8    0
amappl10   144     1030    0     1026     1     0     1     1     0     8    0
amappl9    136      461    0      456     1     0     1     1     0     8    0
amappl8    128      128    0      117     1     0     1     1     0     8    0
amappl7    120     1054    0     1050     1     0     1     1     0     8    0
amappl6    112       79    0       70     1     0     1     1     0     8    0
amappl5    104      127    0      113     1     0     1     1     0     8    0
amappl4     96     1516    0     1488     1     0     1     1     0     8    0
amappl3     88      120    0      115     1     0     1     1     0     8    0
amappl2     80     2993    0     2933     3     1     2     3     0     8    0
amappl1     72    23272    0    22861    25    15    10    20     0     8    0
amappl      80     1498    0     1469     1     0     1     1     0    84    0
dma4096    4096       1    0        1     1     1     0     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       17    0       17     1     1     0     1     0     8    0
aobjpl      64        1    0        0     1     0     1     1     0     8    0
uaddrrnd    24     1246    0     1232     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     1246    0     1232     1     0     1     1     0     8    0
vmmpekpl   168     8464    0     8443     2     0     2     2     0     8    0
vmmpepl    168    77487    0    76516    89    24    65    80     0   357   22
vmsppl     368     1245    0     1232     2     0     2     2     0     8    0
pdppl      4096    2499    0     2464     6     1     5     6     0     8    0
pvpl        32   215865    0   210927   116    16   100   115     0   265   60
pmappl     232     1245    0     1232     1     0     1     1     0     8    0
extentpl    40       41    0       26     1     0     1     1     0     8    0
phpool     112      490    0        5    14     0    14    14     0     8    0