kernel: protection fauplatnic : u n h an dl e d a f 0
tStopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
200828 41826 32767 0x10 0x4000000 1 syz-executor
* 55575 57839 0 0x14000 0x200 0 softnet0
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834e4e0b) at panic+0x1e5 sys/kern/subr_prf.c:198
unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1
if_output_tso(ffff80000004e858,ffff80002a1d03d0,ffff800000c43ed0,ffffef806fad09a0,5dc) at if_output_tso+0x22b
ip_output(ffffef8065741b00,0,0,0,0,0,e50e141374429efc) at ip_output+0x107f sys/netinet/ip_output.c:437
ip_send_do_dispatch(ffffffff839e4bb8,0) at ip_send_do_dispatch+0x128 sys/netinet/ip_input.c:1960
taskq_thread(ffff80000002c000) at taskq_thread+0x157 sys/kern/kern_task.c:446
end trace frame: 0x0, count: 8
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: unhandled af 0
ddb{0}> show kasan
No such command
ddb{0}> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834e4e0b) at panic+0x1e5 sys/kern/subr_prf.c:198
unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1
if_output_tso(ffff80000004e858,ffff80002a1d03d0,ffff800000c43ed0,ffffef806fad09a0,5dc) at if_output_tso+0x22b
ip_output(ffffef8065741b00,0,0,0,0,0,e50e141374429efc) at ip_output+0x107f sys/netinet/ip_output.c:437
ip_send_do_dispatch(ffffffff839e4bb8,0) at ip_send_do_dispatch+0x128 sys/netinet/ip_input.c:1960
taskq_thread(ffff80000002c000) at taskq_thread+0x157 sys/kern/kern_task.c:446
end trace frame: 0x0, count: -7
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a1d01b0
rbx 0xffffffff839a4e07 cpu_info_full_primary+0x2e07
rdx 0
rcx 0xffff800045ffe530
rax 0xffffffff839a3ff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x8737f6ae3c251417
r11 0x82607b819056f2ed
r12 0xffffffff839a4c08 cpu_info_full_primary+0x2c08
r13 0
r14 0
r15 0x1
rip 0xffffffff81498955 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a1d01a0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (softnet0) tid=55575 pid=57839 tcnt=1 stat=onproc
flags process=14000<NOZOMBIE,SYSTEM> proc=200<SYSTEM>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800045ffe000,0xffff800045ffe7d8
process=0xffff800045ff8e70 user=0xffff80002a1cb000, vmspace=0xffffffff83a6ead8
estcpu=0, cpticks=10, pctcpu=0.1, user=0, sys=0, intr=0
ddb{0}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
41826 412731 82544 32767 2 0x10 0 syz-executor
41826 200828 82544 32767 7 0x10 0x4000000 syz-executor
77842 230953 47449 32767 2 0x10 0 syz-executor
77842 505826 47449 32767 2 0x10 0x4000000 syz-executor
21487 44187 92400 32767 3 0x10 0x80 nanoslp syz-executor
21487 87905 92400 32767 3 0x10 0x4000080 kqsel syz-executor
21487 377167 92400 32767 3 0x10 0x4000080 fsleep syz-executor
24705 322467 98637 32767 2 0x10 0 syz-executor
24705 297010 98637 32767 2 0x10 0x4000000 syz-executor
76280 502460 82959 32767 2 0x10 0 syz-executor
76280 1271 82959 32767 3 0x10 0x4000080 fsleep syz-executor
42023 224582 41131 32767 2 0x10 0 syz-executor
42023 190565 41131 32767 3 0x10 0x4000080 fsleep syz-executor
791 175647 61568 32767 2 0x10 0 syz-executor
791 134925 61568 32767 2 0x10 0x4000000 syz-executor
98637 289599 58562 32767 3 0x10 0x80 nanoslp syz-executor
61568 342680 47838 32767 3 0x10 0x80 nanoslp syz-executor
82959 489280 63386 32767 2 0x10 0 syz-executor
47449 426193 41156 32767 2 0x10 0 syz-executor
92400 391725 27120 32767 3 0x10 0x80 nanoslp syz-executor
82544 124184 56488 32767 3 0x10 0x80 nanoslp syz-executor
41131 388341 48758 32767 2 0x10 0 syz-executor
41156 516616 41527 0 3 0x2 0x80 wait syz-executor
27120 83820 41527 0 3 0x2 0x80 wait syz-executor
58562 512490 41527 0 3 0x2 0x80 wait syz-executor
56488 109411 41527 0 3 0x2 0x80 wait syz-executor
63386 78107 41527 0 3 0x2 0x80 wait syz-executor
48758 206726 41527 0 3 0x2 0x80 wait syz-executor
47838 487385 41527 0 3 0x2 0x80 wait syz-executor
41527 479108 19756 0 2 0x10000002 0 syz-executor
19756 93835 20895 0 3 0x100002 0x88 sigsusp ksh
20895 124321 8871 0 3 0x10 0x88 kqread sshd-session
8871 26876 12459 0 3 0x12 0x80 kqread sshd-session
31451 367502 1 0 3 0x100003 0x80 ttyin getty
12459 239310 1 0 3 0 0x88 kqread sshd
64164 339234 94655 73 3 0x1100010 0x80 kqread syslogd
94655 453589 1 0 3 0x100002 0x80 sbwait syslogd
40195 30706 1 0 3 0x100000 0x80 kqread resolvd
99924 431940 61354 77 3 0x100012 0x80 kqread dhcpleased
41187 378984 61354 77 3 0x100012 0x80 kqread dhcpleased
61354 171534 1 0 3 0 0x80 kqread dhcpleased
37595 503067 0 0 3 0x14000 0x200 bored smr
71840 497372 0 0 2 0x14000 0x200 zerothread
63163 354010 0 0 3 0x14000 0x200 aiodoned aiodoned
76059 182941 0 0 3 0x14000 0x200 syncer update
85821 115207 0 0 3 0x14000 0x200 cleaner cleaner
65037 69023 0 0 3 0x14000 0x200 reaper reaper
82634 178549 0 0 3 0x14000 0x200 pgdaemon pagedaemon
48345 197625 0 0 3 0x14000 0x200 bored viomb
70999 228848 0 0 3 0x14000 0x40000200 acpi0 acpi0
69993 305239 0 0 3 0x14000 0x40000200 idle1
39238 312695 0 0 3 0x14000 0x200 bored softnet1
*57839 55575 0 0 7 0x14000 0x200 softnet0
27504 197363 0 0 3 0x14000 0x200 bored systqmp
94622 213627 0 0 3 0x14000 0x200 bored systq
70502 378471 0 0 3 0x14000 0x200 tmoslp softclockmp
84548 225676 0 0 3 0x14000 0x40000200 tmoslp softclock
43753 344735 0 0 3 0x14000 0x40000200 idle0
1 218647 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{0}> show all locks
CPU 1:
exclusive mutex /syzkaller/managers/setuid/kernel/sys/kern/kern_malloc.c:96 r = 0 (0xffffffff83966f88)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487
#2 malloc+0x2ef sys/kern/kern_malloc.c:200
#3 amap_alloc1+0x291 sys/uvm/uvm_amap.c:356
#4 amap_alloc+0xad sys/uvm/uvm_amap.c:-1
#5 amap_copy+0x6a8 sys/uvm/uvm_amap.c:570
#6 uvm_fault_check+0x473 sys/uvm/uvm_fault.c:747
#7 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#8 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
#9 usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
#10 recall_trap+0x8
Process 41826 (syz-executor) thread 0xffff800038baefb8 (200828)
exclusive rwlock vmmaplk r = 0 (0xffffef800cd138c8)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880
#3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693
#4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
#6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
#7 recall_trap+0x8
Process 57839 (softnet0) thread 0xffff800045ffe530 (55575)
shared rwlock netlock r = 0 (0xffffffff838ecdf0)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413
#2 ip_send_do_dispatch+0x79 sys/netinet/ip_input.c:1959
#3 taskq_thread+0x157 sys/kern/kern_task.c:446
#4 proc_trampoline+0x10
shared rwlock softnet0 r = 0 (0xffff80000002c078)
#0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline]
#0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160
#1 taskq_thread+0x12a sys/kern/kern_task.c:442
#2 proc_trampoline+0x10
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11079 12020K 12034K 166960K 12175 0
pcb 17 12K 12K 166960K 17 0
rtable 225 6K 7K 166960K 392 0
pf 29 16K 16K 166960K 31 0
ifaddr 38 6K 7K 166960K 44 0
ifgroup 46 2K 2K 166960K 50 0
sysctl 1 1K 9K 166960K 9 0
counters 68 36K 37K 166960K 70 0
ioctlops 0 0K 2K 166960K 40 0
iov 0 0K 16K 166960K 20 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1288 81K 81K 166960K 1502 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 3 5K 9K 166960K 17 0
VM map 2 1K 1K 166960K 2 0
sem 27 2K 2K 166960K 33 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1734 201K 291K 166960K 11964 0
file desc 23 85K 121K 166960K 506 0
sigio 0 0K 0K 166960K 7 0
proc 58 99K 147K 166960K 569 0
subproc 63 3K 4K 166960K 126 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 119 0
in_multi 88 5K 7K 166960K 114 0
ether_multi 1 0K 0K 166960K 3 0
mrt 1 0K 0K 166960K 13 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 253 1129K 1129K 166960K 253 0
exec 0 0K 1K 166960K 548 0
fusefs mount 1 32K 32K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 241 160K 189K 166960K 6259 0
UVM aobj 24 4K 4K 166960K 29 0
pinsyscall 44 88K 108K 166960K 1616 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 28 0
NDP 10 0K 2K 166960K 27 0
temp 43 9121K 9128K 166960K 5057 0
kqueue 14 22K 34K 166960K 105 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 28 0 0 1 0 1 1 0 8 0
rtpcb 120 83 0 79 1 0 1 1 0 8 0
rtentry 176 118 0 14 6 0 6 6 0 8 0
unpcb 144 249 0 230 2 0 2 2 0 8 1
syncache 336 43 0 43 1 0 1 1 0 8 1
tcpcb 736 186 0 182 4 0 4 4 0 8 3
arp 136 19 0 2 1 0 1 1 0 8 0
ipq 40 5 0 0 1 0 1 1 0 8 0
ipqe 40 8 0 1 1 0 1 1 0 8 0
inpcb 328 464 0 454 5 0 5 5 0 8 3
nd6 152 30 0 5 2 0 2 2 0 8 0
kcovpl 48 14 0 7 1 0 1 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 508 0 59 31 0 31 31 0 8 1
art_table 40 509 0 59 5 0 5 5 0 8 0
art_node 32 118 0 23 1 0 1 1 0 8 0
sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0
semupl 112 4 0 4 1 0 1 1 0 8 1
semapl 72 31 0 6 1 0 1 1 0 8 0
shmpl 112 26 0 5 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 2145 0 662 93 0 93 93 0 8 0
ffsino 296 2145 0 662 115 0 115 115 0 8 0
nchpl 144 2844 0 1143 64 0 64 64 0 8 0
vnodes 216 2280 0 0 127 0 127 127 0 8 0
namei 1024 9076 0 9076 2 0 2 2 0 8 2
percpumem 16 51 0 1 1 0 1 1 0 8 0
kstatmem 264 25 0 2 2 0 2 2 0 8 0
scxspl 216 9331 0 9331 4 3 1 3 1 8 1
plimitpl 152 125 0 102 2 0 2 2 0 8 1
sigapl 424 791 0 739 7 0 7 7 0 8 0
knotepl 120 305 0 0 10 0 10 10 0 8 0
kqueuepl 224 147 0 136 3 0 3 3 0 8 2
pipepl 344 161 0 134 3 0 3 3 0 8 0
fdescpl 528 775 0 740 3 0 3 3 0 8 0
filepl 160 3958 0 3752 12 0 12 12 0 8 3
lockfpl 104 77 0 74 1 0 1 1 0 8 0
lockfspl 48 35 0 32 1 0 1 1 0 8 0
sessionpl 144 49 0 34 1 0 1 1 0 8 0
pgrppl 48 64 0 41 1 0 1 1 0 8 0
ucredpl 104 878 0 860 1 0 1 1 0 8 0
zombiepl 144 740 0 739 1 0 1 1 0 8 0
processpl 1232 791 0 739 5 0 5 5 0 8 0
procpl 664 1347 0 1287 7 0 7 7 0 8 1
sockpl 752 805 0 772 8 0 8 8 0 8 4
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl8k 8192 4 0 0 1 0 1 1 0 8 0
mcl4k 4096 129 0 0 17 0 17 17 0 8 0
mcl2k2 2112 3 0 0 1 0 1 1 0 8 0
mcl2k 2048 21 0 0 3 0 3 3 0 8 0
mextrefs 64 21 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 1296 0 0 81 0 81 81 0 8 0
bufpl 272 2973 0 102 192 0 192 192 0 8 0
anonpl 32 5733 0 0 47 0 47 47 0 247 0
amapchunkpl 152 18596 0 18049 30 0 30 30 0 158 7
amappl16 200 1909 0 1881 6 2 4 5 0 8 0
amappl15 192 54 0 54 1 1 0 1 0 8 0
amappl14 184 403 0 402 1 0 1 1 0 8 0
amappl13 176 129 0 119 1 0 1 1 0 8 0
amappl12 168 1061 0 1026 2 0 2 2 0 8 0
amappl11 160 15 0 14 1 0 1 1 0 8 0
amappl10 152 60 0 50 1 0 1 1 0 8 0
amappl9 144 268 0 268 1 1 0 1 0 8 0
amappl8 136 92 0 89 1 0 1 1 0 8 0
amappl7 128 172 0 160 1 0 1 1 0 8 0
amappl6 120 176 0 175 1 0 1 1 0 8 0
amappl5 112 105 0 98 1 0 1 1 0 8 0
amappl4 104 281 0 264 1 0 1 1 0 8 0
amappl3 96 3385 0 3280 5 1 4 4 0 8 0
amappl2 88 942 0 865 3 0 3 3 0 8 1
amappl1 80 13407 0 12846 16 0 16 16 0 8 1
amappl 88 5485 0 5305 5 0 5 5 0 92 0
uvmvnodes 80 100 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 28 0 5 1 0 1 1 0 8 0
uaddrrnd 24 775 0 740 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 775 0 740 1 0 1 1 0 8 0
vmmpekpl 168 8678 0 8643 3 0 3 3 0 8 0
vmmpepl 168 59847 0 57852 105 0 105 105 0 357 12
vmsppl 488 774 0 740 7 1 6 6 0 8 1
rwobjpl 80 19626 0 18664 25 0 25 25 0 8 1
pdppl 4096 1557 0 1480 105 24 81 95 0 8 4
pvpl 32 13269 0 0 108 0 108 108 0 265 0
pmappl 256 774 0 740 4 1 3 3 0 8 0
extentpl 40 46 0 28 1 0 1 1 0 8 0
phpool 112 543 0 27 15 0 15 15 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(ffffffff834e4e0b) at panic+0x1e5 sys/kern/subr_prf.c:198
unhandled_af(0) at unhandled_af+0x1a sys/net/if.c:-1
if_output_tso(ffff80000004e858,ffff80002a1d03d0,ffff800000c43ed0,ffffef806fad09a0,5dc) at if_output_tso+0x22b
ip_output(ffffef8065741b00,0,0,0,0,0,e50e141374429efc) at ip_output+0x107f sys/netinet/ip_output.c:437
ip_send_do_dispatch(ffffffff839e4bb8,0) at ip_send_do_dispatch+0x128 sys/netinet/ip_input.c:1960
taskq_thread(ffff80000002c000) at taskq_thread+0x157 sys/kern/kern_task.c:446
end trace frame: 0x0, count: -7
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x27: addq $0x8,%rsp
x86_ipi_db(ffff80002999dff0) 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
x86_bus_space_io_write_1(3f8,0,74) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:797
comcnputc(800,74) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline]
comcnputc(800,74) at comcnputc+0x1ab sys/dev/ic/com.c:1268
cnputc(74) at cnputc+0x67 sys/dev/cons.c:218
db_putchar(74) at db_putchar+0x36d sys/ddb/db_output.c:155
kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723
db_printf(ffffffff834824d5) at db_printf+0x9b sys/kern/subr_prf.c:-1
db_ktrap(4,0,ffff80003c3e0ef0) at db_ktrap+0x1c7 sys/arch/amd64/amd64/db_interface.c:129
kerntrap(ffff80003c3e0ef0) at kerntrap+0x243 sys/arch/amd64/amd64/trap.c:523
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
malloc(10,62,2) at malloc+0x855 sys/kern/kern_malloc.c:294
amap_alloc1(20,2,0) at amap_alloc1+0x291 sys/uvm/uvm_amap.c:356
end trace frame: 0xffff80003c3e1150, count: 0
ddb{1}> trace
x86_ipi_db(ffff80002999dff0) 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
x86_bus_space_io_write_1(3f8,0,74) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:797
comcnputc(800,74) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline]
comcnputc(800,74) at comcnputc+0x1ab sys/dev/ic/com.c:1268
cnputc(74) at cnputc+0x67 sys/dev/cons.c:218
db_putchar(74) at db_putchar+0x36d sys/ddb/db_output.c:155
kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723
db_printf(ffffffff834824d5) at db_printf+0x9b sys/kern/subr_prf.c:-1
db_ktrap(4,0,ffff80003c3e0ef0) at db_ktrap+0x1c7 sys/arch/amd64/amd64/db_interface.c:129
kerntrap(ffff80003c3e0ef0) at kerntrap+0x243 sys/arch/amd64/amd64/trap.c:523
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
malloc(10,62,2) at malloc+0x855 sys/kern/kern_malloc.c:294
amap_alloc1(20,2,0) at amap_alloc1+0x291 sys/uvm/uvm_amap.c:356
amap_alloc(20000,2,0) at amap_alloc+0xad sys/uvm/uvm_amap.c:-1
amap_copy(ffffef800cd137c8,ffffef806cfe3050,2,0,378272fa000,378272fa001) at amap_copy+0x6a8 sys/uvm/uvm_amap.c:570
uvm_fault_check(ffff80003c3e13c0,ffff80003c3e13f8,ffff80003c3e1430,0) at uvm_fault_check+0x473 sys/uvm/uvm_fault.c:747
uvm_fault(ffffef800cd137c8,378272fa000,0,2) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
upageflttrap(ffff80003c3e1560,378272fa1d8) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
usertrap(ffff80003c3e1560) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
recall_trap() at recall_trap+0x8
end trace frame: 0x0, count: -21