uvm_fault(0xffffffff82557e48, 0xffff800000ad9074, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      rtable_satoplen+0x150:  movzbl  0xffffffffffffffff(%r13),%r12d
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
kernel page fault
uvm_fault(0xffffffff82557e48, 0xffff800000ad9074, 0, 1) -> e
rtable_satoplen(2,ffff800000ad8f78) at rtable_satoplen+0x150 sys/net/rtable.c:894
end trace frame: 0xffff80001492c820, count: 0
ddb> trace
rtable_satoplen(2,ffff800000ad8f78) at rtable_satoplen+0x150 sys/net/rtable.c:894
rtable_lookup(0,fffffd8036a34c20,ffff800000ad8f78,ffff800000ad8f58,4) at rtable_lookup+0xe0 sys/net/rtable.c:391
rtrequest_delete(ffff80001492c8c0,4,ffff800000af2800,ffff80001492c990,0) at rtrequest_delete+0xe3 sys/net/route.c:775
rt_ifa_del(ffff800000ad8f00,800100,ffff800000ad8f58,0) at rt_ifa_del+0x3c3 sys/net/route.c:1191
in_purgeaddr(ffff800000ad8f00) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:738 [inline]
in_purgeaddr(ffff800000ad8f00) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:562 [inline]
in_purgeaddr(ffff800000ad8f00) at in_purgeaddr+0xc6 sys/netinet/in.c:678
in_ifinit(ffff800000af2800,ffff800000ad8f00,ffff80001492cd10,1) at in_ifinit+0x234 sys/netinet/in.c:664
in_ioctl_change_ifaddr(8040691a,ffff80001492cd00,ffff800000af2800,1) at in_ioctl_change_ifaddr+0x5de sys/netinet/in.c:452
in_ioctl(8040691a,ffff80001492cd00,ffff800000af2800,1) at in_ioctl+0x205 sys/netinet/in.c:234
ifioctl(fffffd803701b900,8040691a,ffff80001492cd00,ffff8000ffff8280) at ifioctl+0xb34 sys/net/if.c:2202
sys_ioctl(ffff8000ffff8280,ffff80001492ce18,ffff80001492ce60) at sys_ioctl+0x5b9
syscall(ffff80001492cee0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall(6,0,ffffffffffffff36,0,3,213f5e66010) at Xsyscall+0x128
end of kernel
end trace frame: 0x21625ea7a30, count: -12
ddb> show registers
rdi                                0
rsi                             0xfd
rbp               0xffff80001492c780
rbx               0xffffffffffffff07
rdx               0xffff800000ad8f7c
rcx               0xffff800000ad9075
rax               0xffff800000ad9075
r8                               0x4
r9                               0x5
r10               0xbcbda6e15805e829
r11               0xf9e45744764edc54
r12                                0
r13               0xffff800000ad9075
r14               0xffffffff824ae810    inetdomain
r15                              0x4
rip               0xffffffff815d6f90    rtable_satoplen+0x150
cs                               0x8
rflags                       0x10283    __ALIGN_SIZE+0xf283
rsp               0xffff80001492c730
ss                              0x10
rtable_satoplen+0x150:  movzbl  0xffffffffffffffff(%r13),%r12d
ddb> show proc
PROC (syz-executor.0) pid=315978 stat=onproc
    flags process=0 proc=4000000<THREAD>
    pri=62, usrpri=62, nice=20
    forw=0xffffffffffffffff, list=0xffff8000ffff9b30,0xffffffff82563c58
    process=0xffff8000ffff6370 user=0xffff800014927000, vmspace=0xfffffd803f014330
    estcpu=32, cpticks=0, pctcpu=0.0
    user=0, sys=0, intr=0
ddb> ps
   PID     TID   PPID    UID  S       FLAGS  WAIT          COMMAND
 27573  252120  33859      0  2           0                syz-executor.0
*27573  315978  33859      0  7   0x4000000                syz-executor.0
 23715  439487  20267      0  2           0                syz-executor.1
 23715   13094  20267      0  3   0x4000080  nanosleep     syz-executor.1
 23715  483056  20267      0  3   0x4000080  select        syz-executor.1
 20267  314433  23272      0  3        0x82  nanosleep     syz-executor.1
 95524   77291      1      0  3    0x100083  ttyin         getty
 33859  445431  23272      0  3        0x82  nanosleep     syz-executor.0
 38029  318804      0      0  3     0x14200  bored         sosplice
 23272  317705  79808      0  3        0x82  thrsleep      syz-fuzzer
 23272  463959  79808      0  3   0x4000082  thrsleep      syz-fuzzer
 23272  319993  79808      0  3   0x4000082  thrsleep      syz-fuzzer
 23272  318084  79808      0  3   0x4000082  thrsleep      syz-fuzzer
 23272  168908  79808      0  3   0x4000082  thrsleep      syz-fuzzer
 23272  320874  79808      0  3   0x4000082  thrsleep      syz-fuzzer
 23272  283455  79808      0  3   0x4000082  thrsleep      syz-fuzzer
 23272  150028  79808      0  3   0x4000082  kqread        syz-fuzzer
 79808  476890  79065      0  3    0x10008a  pause         ksh
 79065  247412  86563      0  3        0x92  select        sshd
 86563  223887      1      0  3        0x80  select        sshd
 99076  124858  47283     73  3    0x100090  kqread        syslogd
 47283  342143      1      0  3    0x100082  netio         syslogd
 69121  386249      1     77  3    0x100090  poll          dhclient
 36766   20838      1      0  3        0x80  poll          dhclient
 12114  308695      0      0  2     0x14200                zerothread
  2917   93363      0      0  3     0x14200  aiodoned      aiodoned
 30025  361370      0      0  3     0x14200  syncer        update
 74963  254736      0      0  3     0x14200  cleaner       cleaner
 46469  182100      0      0  3     0x14200  reaper        reaper
 18566  167863      0      0  3     0x14200  pgdaemon      pagedaemon
 57534  179479      0      0  3     0x14200  bored         crynlk
  8153   66211      0      0  3     0x14200  bored         crypto
 80757  441320      0      0  3  0x40014200  acpi0         acpi0
 23843  147356      0      0  3     0x14200  bored         softnet
 52646  248100      0      0  3     0x14200  bored         systqmp
 31022  419989      0      0  3     0x14200  bored         systq
 80239  409517      0      0  3  0x40014200  bored         softclock
 26312  188028      0      0  3  0x40014200                idle0
 84525  513382      0      0  3     0x14200  bored         smr
     1  358272      0      0  3        0x82  wait          init
     0       0     -1      0  3     0x10200  scheduler     swapper
ddb> show all locks
No such command
ddb> show malloc
           Type InUse  MemUse  HighUse   Limit  Requests Type Lim Kern Lim
         devbuf  9568   6934K    7064K  78643K     17624        0        0
            pcb    13     10K      12K  78643K       149        0        0
         rtable   111      4K       4K  78643K      2879        0        0
         ifaddr    69     22K      25K  78643K      1362        0        0
       counters    19     16K      16K  78643K        19        0        0
       ioctlops     0      0K       2K  78643K        81        0        0
            iov     0      0K      32K  78643K      1114        0        0
          mount     1      1K       1K  78643K         1        0        0
         vnodes  1220     77K      77K  78643K      4778        0        0
      UFS quota     1     32K      32K  78643K         1        0        0
      UFS mount     5     36K      36K  78643K         5        0        0
            shm     2      1K       5K  78643K        40        0        0
         VM map     6      1K       1K  78643K        10        0        0
            sem    12      1K       1K  78643K       556        0        0
        dirhash    12      2K       2K  78643K        12        0        0
           ACPI  1793    195K     288K  78643K     12645        0        0
      file desc     6     17K      25K  78643K      2449        0        0
          sigio     0      0K       0K  78643K        12        0        0
           proc    49     38K      63K  78643K       673        0        0
        subproc    32      2K       2K  78643K       140        0        0
    NFS srvsock     1      0K       0K  78643K         1        0        0
     NFS daemon     1     16K      16K  78643K         1        0        0
    ip_moptions     0      0K       0K  78643K       444        0        0
       in_multi    34      2K       2K  78643K       134        0        0
    ether_multi     1      0K       0K  78643K        12        0        0
            mrt     1      0K       0K  78643K         7        0        0
    ISOFS mount     1     32K      32K  78643K         1        0        0
  MSDOSFS mount     1     16K      16K  78643K         1        0        0
           ttys    90    397K     397K  78643K        90        0        0
           exec     0      0K       1K  78643K       358        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   131     39K      48K  78643K      8141        0        0
       UVM aobj   130      4K       4K  78643K       142        0        0
        memdesc     1      4K       4K  78643K         1        0        0
    crypto data     1      1K       1K  78643K         1        0        0
    ip6_options     0      0K       0K  78643K       164        0        0
            NDP    15      0K       0K  78643K       403        0        0
           temp   191   3540K    3609K  78643K     79236        0        0
         kqueue     0      0K       0K  78643K         3        0        0
      SYN cache     2     16K      16K  78643K         2        0        0
ddb> show all pools
Name      Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp         64       27    0       21     1     0     1     1     0     8    0
rtpcb       80      471    0      469     1     0     1     1     0     8    0
rtentry    112      127    0       83     2     0     2     2     0     8    0
unpcb      120     1350    0     1342     1     0     1     1     0     8    0
syncache   264       11    0       11     5     4     1     1     0     8    1
tcpqe       32       86    0       86     3     3     0     1     0     8    0
tcpcb      544      832    0      828    18    17     1    12     0     8    0
ipq         40        6    0        6     3     3     0     1     0     8    0
ipqe        40       14    0       14     3     3     0     1     0     8    0
inpcb      280     1388    0     1380    19    18     1     9     0     8    0
rttmr       72        1    0        1     1     0     1     1     0     8    1
nd6         48       16    0       12     1     0     1     1     0     8    0
swfcl       56        2    0        0     1     0     1     1     0     8    0
ppxss      1128     151    0      151     6     6     0     1     0     8    0
art_heap8  4096       1    0        0     1     0     1     1     0     8    0
art_heap4  256      523    0      299    18     3    15    15     0     8    0
art_table   32      524    0      299     2     0     2     2     0     8    0
art_node    16      126    0       86     1     0     1     1     0     8    0
sysvmsgpl   40       43    0       33     1     0     1     1     0     8    0
semupl     112        1    0        1     1     1     0     1     0     8    0
semapl     112      554    0      544     1     0     1     1     0     8    0
shmpl      112      140    0       12     4     0     4     4     0     8    0
dirhash    1024      17    0        0     3     0     3     3     0     8    0
dino1pl    128     7226    0     5836    46     0    46    46     0     8    0
ffsino     240     7226    0     5836    83     0    83    83     0     8    0
nchpl      144    11359    0     9754    61     1    60    61     0     8    0
uvmvnodes   72     5926    0        0   108     0   108   108     0     8    0
vnodes     208     5926    0        0   312     0   312   312     0     8    0
namei      1024   40362    0    40362     1     0     1     1     0     8    1
vcpupl     1984       4    0        0     1     0     1     1     0     8    0
vmpool     520        8    0        4     1     0     1     1     0     8    0
scxspl     192    29496    0    29496    15    14     1     7     0     8    1
plimitpl   152       71    0       64     1     0     1     1     0     8    0
sigapl     432     2603    0     2589     2     0     2     2     0     8    0
futexpl     56    69238    0    69238     1     0     1     1     0     8    1
knotepl    112      264    0      245     1     0     1     1     0     8    0
kqueuepl   104      410    0      408     4     3     1     4     0     8    0
pipepl     112      874    0      855     4     3     1     2     0     8    0
fdescpl    424     2604    0     2589     2     0     2     2     0     8    0
filepl     120    23257    0    23161    21    17     4    11     0     8    0
lockfpl    104    12270    0    12269     1     0     1     1     0     8    0
lockfspl    48     2506    0     2505     1     0     1     1     0     8    0
sessionpl  112       24    0       14     1     0     1     1     0     8    0
pgrppl      48       28    0       18     1     0     1     1     0     8    0
ucredpl     96     6789    0     6782     1     0     1     1     0     8    0
zombiepl   144     2589    0     2589     1     0     1     1     0     8    1
processpl  864     2619    0     2589     4     0     4     4     0     8    0
procpl     632     7104    0     7064     6     2     4     5     0     8    0
sockpl     384     3227    0     3209    36    33     3    13     0     8    1
mcl64k     65536    736    0      736     3     2     1     1     0     8    1
mcl16k     16384     68    0       68    11    11     0     1     0     8    0
mcl12k     12288    588    0      588     7     6     1     1     0     8    1
mcl9k      9216      21    0       21     9     9     0     1     0     8    0
mcl8k      8192     135    0      135    24    23     1     1     0     8    1
mcl4k      4096     227    0      227    21    20     1     1     0     8    1
mcl2k2     2112      10    0       10    10    10     0     1     0     8    0
mcl2k      2048   78723    0    78675    33    26     7    14     0     8    0
mtagpl      80       73    0       71     6     5     1     2     0     8    0
mbufpl     256   166462    0   166354    28    17    11    16     0     8    0
bufpl      256    11953    0     7028   309     0   309   309     0     8    0
anonpl      16   278053    0   259418   129    49    80    91     0    62    2
amapchunkpl 152   16144    0    16019    37    27    10    19     0   158    4
amappl16   192    14126    0    13074   120    64    56    64     0     8    3
amappl15   184      229    0      229     2     2     0     1     0     8    0
amappl14   176       92    0       86     1     0     1     1     0     8    0
amappl13   168      102    0      102     2     2     0     1     0     8    0
amappl12   160       26    0       21     1     0     1     1     0     8    0
amappl11   152      552    0      539     1     0     1     1     0     8    0
amappl10   144     1101    0     1099     2     1     1     1     0     8    0
amappl9    136     1187    0     1178     1     0     1     1     0     8    0
amappl8    128      748    0      707     2     0     2     2     0     8    0
amappl7    120     1152    0     1145     1     0     1     1     0     8    0
amappl6    112      559    0      544     1     0     1     1     0     8    0
amappl5    104      831    0      821     1     0     1     1     0     8    0
amappl4     96     2990    0     2959     1     0     1     1     0     8    0
amappl3     88      739    0      733     1     0     1     1     0     8    0
amappl2     80    19842    0    19768     3     1     2     3     0     8    0
amappl1     72    59631    0    59202    27    18     9    20     0     8    0
amappl      80     7457    0     7415     5     3     2     2     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      141    0       12     3     0     3     3     0     8    0
uaddrrnd    24     2612    0     2589     1     0     1     1     0     8    0
uaddrbest   32        2    0        0     1     0     1     1     0     8    0
uaddr       24     2612    0     2589     1     0     1     1     0     8    0
vmmpekpl   168    22235    0    22209     2     0     2     2     0     8    0
vmmpepl    168   318621    0   316375   310   208   102   143     0   357    2
vmsppl     272     2603    0     2589     7     6     1     2     0     8    0
pdppl      4096    5230    0     5190     8     2     6     6     0     8    0
pvpl        32   708842    0   687076   325   134   191   215     0   265   14
pmappl     200     2611    0     2593     6     5     1     2     0     8    0
extentpl    40       41    0       26     1     0     1     1     0     8    0
phpool     112      570    0      129    13     0    13    13     0     8    0