login: kernel: protection fault trap, code=0
Stopped at amap_pp_adjref+0x2ec: movl 0(%r15,%rax,4),%r14d
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
amap_pp_adjref(fffffd803cdf18c0,7f0,200,1) at amap_pp_adjref+0x2ec pp_getreflen sys/uvm/uvm_amap.c:203 [inline]
amap_pp_adjref(fffffd803cdf18c0,7f0,200,1) at amap_pp_adjref+0x2ec sys/uvm/uvm_amap.c:832
uvm_mapent_clone(ffff8000006a2400,0,200000,7f0000,7,7) at uvm_mapent_clone+0x14c sys/uvm/uvm_map.c:3733
uvm_share(ffff8000006a2400,0,7,fffffd803f011880,20800000,200000) at uvm_share+0x4b4 uvm_mapent_share sys/uvm/uvm_map.c:3767 [inline]
uvm_share(ffff8000006a2400,0,7,fffffd803f011880,20800000,200000) at uvm_share+0x4b4 sys/uvm/uvm_map.c:3668
vm_impl_init_vmx(ffff800014889c70,ffff8000ffff4c68) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1270
vm_create(ffff800000a64000,ffff8000ffff4c68) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1385 [inline]
vm_create(ffff800000a64000,ffff8000ffff4c68) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1174
VOP_IOCTL(fffffd803c9bf8f0,c5005601,ffff800000a64000,1,fffffd803f7c6ba0,ffff8000ffff4c68) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291
vn_ioctl(fffffd8036210350,c5005601,ffff800000a64000,ffff8000ffff4c68) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533
sys_ioctl(ffff8000ffff4c68,ffff8000148da218,ffff8000148da260) at sys_ioctl+0x5b9
syscall(ffff8000148da2e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff92b0, count: -10
ddb> show registers
rdi 0x9f0
rsi 0xdfdfe9b2
rbp 0xffff8000148d9ce0
rbx 0xdfdfdfdf
rdx 0
rcx 0x9d3
rax 0xffffffffdfdfe9b2
r8 0x274c __ALIGN_SIZE+0x174c
r9 0x7
r10 0x352099da11e3944e
r11 0x3e69b94fc2d5e00a
r12 0xdfdfe9b2
r13 0x9f0
r14 0x20202021
r15 0xffff800000a65000
rip 0xffffffff8199199c amap_pp_adjref+0x2ec
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff8000148d9c20
ss 0x10
amap_pp_adjref+0x2ec: movl 0(%r15,%rax,4),%r14d
ddb> show proc
PROC (syz-executor8527) pid=473906 stat=onproc
flags process=2<EXEC> proc=0
pri=51, usrpri=51, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff4ee0,0xffffffff82586810
process=0xffff8000148a26d8 user=0xffff8000148d5000, vmspace=0xfffffd803f011880
estcpu=1, cpticks=0, pctcpu=0.0
user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*99407 473906 8583 0 7 0x2 syz-executor8527
8583 514155 30545 0 3 0x10008a pause ksh
30545 518146 10444 0 2 0x12 sshd
25171 300188 1 0 3 0x100083 ttyin getty
10444 457538 1 0 3 0x80 select sshd
44853 379485 53497 73 3 0x100090 kqread syslogd
53497 43109 1 0 3 0x100082 netio syslogd
91702 428243 1 77 3 0x100090 poll dhclient
54116 82662 1 0 3 0x80 poll dhclient
84833 457767 0 0 2 0x14200 zerothread
90732 247754 0 0 3 0x14200 aiodoned aiodoned
22178 440398 0 0 3 0x14200 syncer update
4786 21626 0 0 3 0x14200 cleaner cleaner
46170 334271 0 0 3 0x14200 reaper reaper
8974 181887 0 0 3 0x14200 pgdaemon pagedaemon
93916 64435 0 0 3 0x14200 bored crynlk
51798 420984 0 0 3 0x14200 bored crypto
92541 83075 0 0 3 0x40014200 acpi0 acpi0
6706 92897 0 0 3 0x14200 bored softnet
61929 244770 0 0 3 0x14200 bored systqmp
99993 36592 0 0 3 0x14200 bored systq
86704 44972 0 0 3 0x40014200 bored softclock
21603 411788 0 0 3 0x40014200 idle0
49056 135677 0 0 3 0x14200 bored smr
1 226764 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 9438 6318K 6319K 78643K 10535 0 0
pcb 13 8K 8K 78643K 13 0 0
rtable 61 1K 2K 78643K 115 0 0
ifaddr 24 7K 7K 78643K 24 0 0
counters 19 16K 16K 78643K 19 0 0
ioctlops 1 2K 2K 78643K 14 0 0
mount 1 1K 1K 78643K 1 0 0
vnodes 1180 74K 74K 78643K 1185 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 3 0K 0K 78643K 3 0 0
sem 2 0K 0K 78643K 2 0 0
dirhash 12 2K 2K 78643K 12 0 0
ACPI 1794 195K 288K 78643K 12646 0 0
file desc 1 0K 0K 78643K 1 0 0
proc 47 38K 46K 78643K 278 0 0
NFS srvsock 1 0K 0K 78643K 1 0 0
NFS daemon 1 16K 16K 78643K 1 0 0
in_multi 11 0K 0K 78643K 11 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 151 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 54 15K 15K 78643K 707 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 3 0K 0K 78643K 3 0 0
temp 21 3515K 3579K 78643K 1688 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 2 0 0 1 0 1 1 0 8 0
rtpcb 80 15 0 13 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 120 27 0 19 1 0 1 1 0 8 0
syncache 264 5 0 5 2 1 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 22 0 16 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 97 0 0 7 0 7 7 0 8 0
art_table 32 98 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino1pl 128 1389 0 15 45 0 45 45 0 8 0
ffsino 240 1389 0 15 81 0 81 81 0 8 0
nchpl 144 1576 0 44 57 0 57 57 0 8 0
uvmvnodes 72 1398 0 0 26 0 26 26 0 8 0
vnodes 208 1398 0 0 74 0 74 74 0 8 0
namei 1024 3453 0 3453 2 1 1 1 0 8 1
vmpool 520 1 0 0 1 0 1 1 0 8 0
scxspl 192 2554 0 2554 9 8 1 7 0 8 1
plimitpl 152 13 0 8 1 0 1 1 0 8 0
sigapl 432 175 0 165 2 0 2 2 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 104 1 0 0 1 0 1 1 0 8 0
pipepl 128 114 0 107 2 1 1 1 0 8 0
fdescpl 424 176 0 165 2 0 2 2 0 8 0
filepl 120 834 0 790 2 0 2 2 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 17 0 9 1 0 1 1 0 8 0
pgrppl 48 17 0 9 1 0 1 1 0 8 0
ucredpl 96 47 0 40 1 0 1 1 0 8 0
zombiepl 144 165 0 165 2 1 1 1 0 8 1
processpl 864 190 0 165 4 0 4 4 0 8 0
procpl 632 190 0 165 3 0 3 3 0 8 0
sockpl 384 64 0 48 2 0 2 2 0 8 0
mcl4k 4096 10 0 10 2 1 1 1 0 8 1
mcl2k 2048 5763 0 5735 8 3 5 6 0 8 1
mtagpl 80 2 0 2 1 1 0 1 0 8 0
mbufpl 256 9892 0 9849 4 0 4 4 0 8 0
bufpl 256 2045 0 240 113 0 113 113 0 8 0
anonpl 16 18230 0 17112 7 2 5 7 0 62 0
amapchunkpl 152 547 0 512 2 0 2 2 0 158 0
amappl16 192 71 0 65 1 0 1 1 0 8 0
amappl14 176 35 0 31 1 0 1 1 0 8 0
amappl13 168 1 0 1 1 1 0 1 0 8 0
amappl12 160 7 0 7 1 1 0 1 0 8 0
amappl11 152 42 0 31 1 0 1 1 0 8 0
amappl10 144 2 0 2 1 1 0 1 0 8 0
amappl9 136 379 0 378 1 0 1 1 0 8 0
amappl8 128 81 0 77 1 0 1 1 0 8 0
amappl7 120 17 0 16 1 0 1 1 0 8 0
amappl6 112 42 0 38 1 0 1 1 0 8 0
amappl5 104 135 0 124 1 0 1 1 0 8 0
amappl4 96 395 0 371 1 0 1 1 0 8 0
amappl3 88 101 0 96 1 0 1 1 0 8 0
amappl2 80 662 0 613 3 1 2 2 0 8 0
amappl1 72 11944 0 11563 16 7 9 16 0 8 0
amappl 80 373 0 353 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 18 0 17 1 0 1 1 0 8 0
aobjpl 64 1 0 0 1 0 1 1 0 8 0
uaddrrnd 24 177 0 165 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 177 0 165 1 0 1 1 0 8 0
vmmpekpl 168 5302 0 5286 1 0 1 1 0 8 0
vmmpepl 168 25407 0 24663 52 16 36 48 0 357 2
vmsppl 272 175 0 165 1 0 1 1 0 8 0
pdppl 4096 360 0 330 5 0 5 5 0 8 0
pvpl 32 71484 0 68723 32 6 26 27 0 265 3
pmappl 200 176 0 165 1 0 1 1 0 8 0
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 230 0 7 7 0 7 7 0 8 0