uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline]
uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559
pageflttrap(ffff800023f33850,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221
kerntrap(ffff800023f33850) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyin() at copyin+0x4b
sys_connect(ffff800020e09c48,ffff800023f33a18,ffff800023f33a60) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360
syscall(ffff800023f33ae0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800023f33ae0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3baad4dac0, count: 243
End of stack trace.
Stopped at db_enter+0x18: addq $0x8,%rsp
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
the kernel did not panic
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
yield() at yield+0x77 sys/kern/sched_bsd.c:304
pool_get(ffffffff828c5b10,1) at pool_get+0x19c sys/kern/subr_pool.c:588
uvm_mapent_alloc(fffffd807f0008a0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751
uvm_map_clip_end(fffffd807f0008a0,fffffd80669e62d0,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769
amap_copy(fffffd807f0008a0,fffffd80669e62d0,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530
uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline]
uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559
pageflttrap(ffff800023f33850,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221
kerntrap(ffff800023f33850) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyin() at copyin+0x4b
sys_connect(ffff800020e09c48,ffff800023f33a18,ffff800023f33a60) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360
syscall(ffff800023f33ae0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800023f33ae0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3baad4dac0, count: -14
ddb{1}> show registers
rdi 0
rsi 0x3ffff acpi_pdirpa+0x2be67
rbp 0xffff800023f332d0
rbx 0x2
rdx 0x40000 acpi_pdirpa+0x2be68
rcx 0xffff800020ed8000
rax 0xffff800000aeaec0
r8 0xffffffff81e2547f kprintf+0x16f
r9 0x1
r10 0x2
r11 0x6586fe7a34ffae43
r12 0x1
r13 0xfffffd80685af660
r14 0xffff800020e09c48
r15 0x3
rip 0xffffffff820bb618 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800023f332c0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{1}> show proc
PROC (syz-executor.0) pid=82949 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff800020e0ad58,0xffffffff8291fa98
process=0xffff800020eb7768 user=0xffff800023f2e000, vmspace=0xfffffd807f0008a0
estcpu=36, cpticks=15, pctcpu=0.0
user=0, sys=15, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
19317 279471 84384 0 7 0 syz-executor.0
*19317 82949 84384 0 7 0x4000000 syz-executor.0
28845 203009 0 0 3 0x14200 bored sosplice
5643 138930 68208 0 3 0x82 nanosleep syz-executor.1
84384 58920 68208 0 3 0x82 nanosleep syz-executor.0
68208 471224 20107 0 3 0x82 thrsleep syz-fuzzer
68208 1173 20107 0 3 0x4000082 nanosleep syz-fuzzer
68208 169782 20107 0 3 0x4000082 thrsleep syz-fuzzer
68208 374054 20107 0 3 0x4000082 thrsleep syz-fuzzer
68208 219153 20107 0 3 0x4000082 thrsleep syz-fuzzer
68208 414365 20107 0 3 0x4000082 thrsleep syz-fuzzer
68208 390737 20107 0 3 0x4000082 thrsleep syz-fuzzer
68208 399439 20107 0 3 0x4000082 thrsleep syz-fuzzer
68208 501883 20107 0 3 0x4000082 kqread syz-fuzzer
68208 55491 20107 0 3 0x4000082 thrsleep syz-fuzzer
20107 506024 82435 0 3 0x10008a pause ksh
82435 426734 31018 0 3 0x92 select sshd
89495 234787 1 0 3 0x100083 ttyin getty
31018 249846 1 0 3 0x80 select sshd
35355 347543 115 74 3 0x100092 bpf pflogd
115 461666 1 0 3 0x80 netio pflogd
91102 106990 29369 73 3 0x100090 kqread syslogd
29369 368302 1 0 3 0x100082 netio syslogd
70318 448250 1 77 3 0x100090 poll dhclient
99546 223101 1 0 3 0x80 poll dhclient
55938 204856 0 0 3 0x14200 bored smr
68333 223257 0 0 3 0x14200 pgzero zerothread
31939 337849 0 0 3 0x14200 aiodoned aiodoned
62563 205922 0 0 3 0x14200 syncer update
42332 403453 0 0 3 0x14200 cleaner cleaner
14718 52820 0 0 3 0x14200 reaper reaper
13336 273448 0 0 3 0x14200 pgdaemon pagedaemon
80730 139262 0 0 3 0x14200 bored crynlk
64726 496666 0 0 3 0x14200 bored crypto
99602 66278 0 0 3 0x40014200 acpi0 acpi0
7573 202513 0 0 3 0x40014200 idle1
53286 200455 0 0 3 0x14200 bored softnet
95527 352234 0 0 3 0x14200 bored systqmp
3163 103847 0 0 3 0x14200 bored systq
37875 436846 0 0 3 0x40014200 bored softclock
93393 112377 0 0 3 0x40014200 idle0
1 69657 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 19317 (syz-executor.0) thread 0xffff800020e09c48 (82949)
exclusive rwlock vmmaplk r = 0 (0xfffffd807f0008b8)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 rw_enter+0x453 sys/kern/kern_rwlock.c:311
#2 vm_map_lock_ln+0x111 sys/uvm/uvm_map.c:5445
#3 uvmfault_lookup+0xbe sys/uvm/uvm_fault.c:1442
#4 uvm_fault+0xbbd uvmfault_amapcopy sys/uvm/uvm_fault.c:232 [inline]
#4 uvm_fault+0xbbd sys/uvm/uvm_fault.c:559
#5 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221
#6 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302
#7 alltraps_kern_meltdown+0x7b
#8 copyin+0x4b
#9 sys_connect+0x9b sys/kern/uipc_syscalls.c:360
#10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#11 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff826f12c8)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 solock+0x5a sys/kern/uipc_socket2.c:282
#2 sys_connect+0x6a sys/kern/uipc_syscalls.c:355
#3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#4 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8292e900)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline]
#1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570
#2 Xsyscall+0x128
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9514 6791K 7307K 78643K 11188 0
pcb 13 8K 8K 78643K 39 0
rtable 115 6K 6K 78643K 311 0
ifaddr 58 13K 13K 78643K 101 0
counters 43 33K 34K 78643K 55 0
ioctlops 0 0K 4K 78643K 1493 0
iov 0 0K 12K 78643K 9 0
mount 1 1K 1K 78643K 1 0
vnodes 1224 77K 77K 78643K 1370 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 4 0
VM map 2 1K 1K 78643K 2 0
sem 12 1K 1K 78643K 24 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1824 197K 290K 78643K 13058 0
file desc 5 13K 25K 78643K 235 0
sigio 0 0K 0K 78643K 4 0
proc 61 63K 95K 78643K 460 0
subproc 32 2K 2K 78643K 34 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 70 0
in_multi 53 3K 3K 78643K 88 0
ether_multi 1 0K 0K 78643K 2 0
mrt 0 0K 0K 78643K 2 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 49 228K 228K 78643K 49 0
exec 0 0K 1K 78643K 214 0
pagedep 1 8K 8K 78643K 1 0
inodedep 1 32K 32K 78643K 1 0
newblk 1 0K 0K 78643K 1 0
VM swap 7 26K 26K 78643K 7 0
UVM amap 110 22K 23K 78643K 1620 0
UVM aobj 9 4K 4K 78643K 13 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 8 0
NDP 8 0K 0K 78643K 23 0
temp 78 3855K 3919K 78643K 6932 0
kqueue 3 4K 8K 78643K 7 0
SYN cache 2 16K 16K 78643K 2 0
ddb{1}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 8 0 2 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 30 0 28 1 0 1 1 0 8 0
rtentry 112 65 0 22 2 0 2 2 0 8 0
unpcb 120 79 0 69 1 0 1 1 0 8 0
syncache 264 4 0 4 1 1 0 1 0 8 0
tcpqe 32 636 0 636 1 1 0 1 0 8 0
tcpcb 544 70 0 66 1 0 1 1 0 8 0
inpcb 296 333 0 325 3 1 2 2 0 8 1
rttmr 72 1 0 1 1 1 0 1 0 8 0
nd6 48 14 0 9 1 0 1 1 0 8 0
pffrag 232 2 0 2 1 1 0 1 0 482 0
pffrnode 88 2 0 2 1 1 0 1 0 8 0
pffrent 40 4 0 4 1 1 0 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
pfrktable 1344 9 0 4 1 0 1 1 0 8 0
pfstitem 24 23 0 3 1 0 1 1 0 8 0
pfstkey 112 23 0 3 1 0 1 1 0 8 0
pfstate 328 23 0 3 2 0 2 2 0 8 0
pfrule 1360 25 0 18 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 220 0 46 13 0 13 13 0 8 0
art_table 32 221 0 46 2 0 2 2 0 8 0
art_node 16 64 0 25 1 0 1 1 0 8 0
sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0
semupl 112 3 0 3 1 1 0 1 0 8 0
semapl 112 12 0 2 1 0 1 1 0 8 0
shmpl 112 10 0 4 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1667 0 262 89 1 88 89 0 8 0
ffsino 272 1667 0 262 95 1 94 94 0 8 0
nchpl 144 2158 0 560 60 0 60 60 0 8 0
uvmvnodes 72 1847 0 0 34 0 34 34 0 8 0
vnodes 208 1847 0 0 98 0 98 98 0 8 0
namei 1024 5800 0 5800 3 2 1 1 0 8 1
percpumem 16 38 0 6 1 0 1 1 0 8 0
vmpool 560 2 0 2 1 1 0 1 0 8 0
pfiaddrpl 120 4 0 0 1 0 1 1 0 8 0
scxspl 192 6639 0 6639 9 8 1 7 0 8 1
plimitpl 152 29 0 21 1 0 1 1 0 8 0
sigapl 424 451 0 419 4 0 4 4 0 8 0
futexpl 56 2970 0 2970 2 1 1 1 0 8 1
knotepl 112 65 0 46 1 0 1 1 0 8 0
kqueuepl 144 24 0 22 1 0 1 1 0 8 0
pipepl 304 91 0 81 1 0 1 1 0 8 0
fdescpl 496 435 0 419 3 0 3 3 0 8 0
filepl 152 2206 0 2105 7 2 5 5 0 8 1
lockfpl 104 25 0 24 1 0 1 1 0 8 0
lockfspl 48 11 0 10 1 0 1 1 0 8 0
sessionpl 112 18 0 7 1 0 1 1 0 8 0
pgrppl 48 18 0 7 1 0 1 1 0 8 0
ucredpl 96 148 0 139 1 0 1 1 0 8 0
zombiepl 144 428 0 427 3 2 1 1 0 8 0
processpl 992 451 0 418 6 1 5 5 0 8 0
procpl 624 859 0 816 4 0 4 4 0 8 0
sosppl 128 5 0 5 2 2 0 1 0 8 0
sockpl 400 442 0 422 5 2 3 3 0 8 1
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl12k 12288 2 0 0 1 0 1 1 0 8 0
mcl9k 9216 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k2 2112 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 219 0 0 27 0 27 27 0 8 0
mtagpl 96 8 0 0 1 0 1 1 0 8 0
mbufpl 256 352 0 0 21 0 21 21 0 8 0
bufpl 280 3828 0 133 264 0 264 264 0 8 0
anonpl 16 58186 0 41862 82 16 66 81 0 124 0
amapchunkpl 152 2278 0 2129 10 3 7 10 0 158 0
amappl16 192 2066 0 1190 56 11 45 55 0 8 1
amappl15 184 99 0 96 1 0 1 1 0 8 0
amappl14 176 129 0 124 1 0 1 1 0 8 0
amappl13 168 28 0 25 1 0 1 1 0 8 0
amappl12 160 6 0 6 1 1 0 1 0 8 0
amappl11 152 56 0 40 1 0 1 1 0 8 0
amappl10 144 18 0 13 1 0 1 1 0 8 0
amappl9 136 397 0 394 1 0 1 1 0 8 0
amappl8 128 332 0 309 1 0 1 1 0 8 0
amappl7 120 116 0 106 1 0 1 1 0 8 0
amappl6 112 25 0 21 1 0 1 1 0 8 0
amappl5 104 329 0 313 1 0 1 1 0 8 0
amappl4 96 491 0 462 1 0 1 1 0 8 0
amappl3 88 220 0 214 1 0 1 1 0 8 0
amappl2 80 2613 0 2542 2 0 2 2 0 8 0
amappl1 72 20983 0 20535 23 13 10 18 0 8 0
amappl 80 1112 0 1066 2 0 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 18 0 17 1 0 1 1 0 8 0
aobjpl 64 12 0 4 1 0 1 1 0 8 0
uaddrrnd 24 437 0 421 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 437 0 421 1 0 1 1 0 8 0
vmmpekpl 168 7248 0 7214 2 0 2 2 0 8 0
vmmpepl 168 61998 0 59959 125 30 95 117 0 357 2
vmsppl 368 436 0 421 2 0 2 2 0 8 0
pdppl 4096 881 0 842 7 1 6 6 0 8 0
pvpl 32 190651 0 171134 195 35 160 193 0 265 1
pmappl 232 436 0 421 2 1 1 2 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 278 0 10 8 0 8 8 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff82793ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__sanitizer_cov_trace_cmp4(ffffffff8292e6f8,ffffffff8292e6f8) at __sanitizer_cov_trace_cmp4+0x72 sys/dev/kcov.c:137
intr_handler(ffff8000230dce40,ffff80000065ad80) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532
Xintr_ioapic_edge4_untramp() at Xintr_ioapic_edge4_untramp+0x19f
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x16 sys/dev/kcov.c:79
softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89
Xsoftclock() at Xsoftclock+0x1f
end of kernel
end trace frame: 0x7f7fffff4c80, count: -9
ddb{0}> machine ddbcpu 1
Stopped at db_enter+0x18: addq $0x8,%rsp
ddb{1}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
yield() at yield+0x77 sys/kern/sched_bsd.c:304
pool_get(ffffffff828c5b10,1) at pool_get+0x19c sys/kern/subr_pool.c:588
uvm_mapent_alloc(fffffd807f0008a0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751
uvm_map_clip_end(fffffd807f0008a0,fffffd80669e62d0,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769
amap_copy(fffffd807f0008a0,fffffd80669e62d0,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530
uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline]
uvm_fault(fffffd807f0008a0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559
pageflttrap(ffff800023f33850,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221
kerntrap(ffff800023f33850) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
copyin() at copyin+0x4b
sys_connect(ffff800020e09c48,ffff800023f33a18,ffff800023f33a60) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360
syscall(ffff800023f33ae0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800023f33ae0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x3baad4dac0, count: -14