*cpu1: uvm_fault(0xfffffd806e204b80, 0x798e265b, 0, 1) -> e
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(ffffffff8348b405) at panic+0x1e5 sys/kern/subr_prf.c:198
malloc(20,7f,1) at malloc+0xdb6 sys/kern/kern_malloc.c:357
ktrsyscall(ffff800045ffc538,5c,18,ffff80002a220f00) at ktrsyscall+0x19a sys/kern/kern_ktrace.c:174
syscall(ffff80002a220f00) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline]
syscall(ffff80002a220f00) at syscall+0x305 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x765096e72520, count: -6
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff80002a220bb0
rbx 0xffffffff8395fe0f cpu_info_full_primary+0x2e0f
rdx 0
rcx 0xffff800045ffc538
rax 0xffffffff8395eff0 cpu_info_full_primary+0x1ff0
r8 0x101010101010101
r9 0x8080808080808080
r10 0x6a08fa9b4c9c12e3
r11 0x4b76b77de88511a
r12 0xffffffff8395fc10 cpu_info_full_primary+0x2c10
r13 0
r14 0xffff80002999ec10
r15 0x1
rip 0xffffffff83326e05 db_enter+0x25
cs 0x8
rflags 0x246
rsp 0xffff80002a220ba0
ss 0x10
db_enter+0x25: addq $0x8,%rsp
ddb{0}> show proc
PROC (syz-executor) tid=307944 pid=67548 tcnt=1 stat=onproc
flags process=10000002<EXEC,WAITEVENT> proc=1<INKTR>
runpri=32, usrpri=50, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0
forw=0xffffffffffffffff, list=0xffff800045ffdc90,0xffff800045fe8a90
process=0xffff800045ff3030 user=0xffff80002a21b000, vmspace=0xfffffd806e2041f8
estcpu=36, cpticks=91, pctcpu=0.21, user=3, sys=87, intr=1
ddb{0}> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
72327 22834 67548 0 2 0 0 syz-executor
8503 312710 39518 0 7 0x40 0 syz-executor
39518 181207 67548 0 3 0x82 0 ppwait syz-executor
72955 439470 30198 -1 2 0x10 0xc80 syz-executor
72955 36418 30198 -1 3 0x10 0x4000080 fsleep syz-executor
72955 247227 30198 -1 3 0x10 0x4000080 pipewr syz-executor
71733 15860 67548 0 3 0x2 0 clonelk syz-executor
30198 507959 67548 0 2 0x2 0xc80 syz-executor
87131 21390 67548 0 3 0x2 0x80 piperd syz-executor
24319 255572 0 0 3 0x14000 0x280 nfsidl nfsio
46995 520597 0 0 3 0x14000 0x280 nfsidl nfsio
31402 437790 0 0 3 0x14000 0x280 nfsidl nfsio
88124 154613 0 0 3 0x14000 0x280 nfsidl nfsio
86297 505796 0 0 3 0x14000 0x280 nfsidl nfsio
8203 27567 0 0 3 0x14000 0x280 nfsidl nfsio
67019 169626 0 0 3 0x14000 0x280 nfsidl nfsio
15503 311227 0 0 3 0x14000 0x280 nfsidl nfsio
82906 78939 0 0 3 0x14000 0x280 nfsidl nfsio
46045 468115 0 0 3 0x14000 0x280 nfsidl nfsio
80209 496469 0 0 3 0x14000 0x280 nfsidl nfsio
89428 258227 0 0 3 0x14000 0x280 nfsidl nfsio
67055 308001 0 0 3 0x14000 0x280 nfsidl nfsio
81000 259393 0 0 3 0x14000 0x280 nfsidl nfsio
51181 225753 0 0 3 0x14000 0x280 nfsidl nfsio
84254 174877 0 0 3 0x14000 0x280 nfsidl nfsio
91385 380411 0 0 3 0x14000 0x280 nfsidl nfsio
92939 135445 0 0 3 0x14000 0x280 nfsidl nfsio
80418 91788 0 0 3 0x14000 0x280 nfsidl nfsio
81228 201341 0 0 3 0x14000 0x280 nfsidl nfsio
*67548 307944 35205 0 7 0x10000002 0x1 syz-executor
35205 254436 90100 0 3 0x100002 0x88 sigsusp ksh
90100 297733 14463 0 3 0x10 0x88 kqread sshd-session
14463 37456 86880 0 3 0x12 0x80 kqread sshd-session
37048 268500 1 0 3 0x100003 0x80 ttyin getty
86880 381547 1 0 3 0 0x88 kqread sshd
40329 441086 37387 74 3 0x1100012 0x80 bpf pflogd
37387 74430 1 0 3 0 0x80 sbwait pflogd
91120 222321 43110 73 3 0x1100010 0x80 kqread syslogd
43110 370474 1 0 3 0x100002 0x80 sbwait syslogd
98503 194747 1 0 3 0x100000 0x80 kqread resolvd
556 190803 66388 77 3 0x100012 0x80 kqread dhcpleased
92574 367377 66388 77 3 0x100012 0x80 kqread dhcpleased
66388 221260 1 0 3 0 0x80 kqread dhcpleased
80060 49252 0 0 3 0x14000 0x200 bored smr
65948 307587 0 0 2 0x14000 0x200 zerothread
58788 52178 0 0 3 0x14000 0x200 aiodoned aiodoned
95980 452092 0 0 3 0x14000 0x200 syncer update
97741 310391 0 0 3 0x14000 0x200 cleaner cleaner
97139 19530 0 0 3 0x14000 0x200 reaper reaper
52785 12097 0 0 3 0x14000 0x200 pgdaemon pagedaemon
62199 459659 0 0 3 0x14000 0x200 bored viomb
55160 460422 0 0 3 0x14000 0x40000200 acpi0 acpi0
41114 508354 0 0 3 0x14000 0x40000200 idle1
38174 409172 0 0 3 0x14000 0x200 bored softnet1
33039 419588 0 0 3 0x14000 0x200 bored softnet0
3039 399207 0 0 3 0x14000 0x200 smrbar systqmp
13468 371207 0 0 3 0x14000 0x200 bored systq
19539 135151 0 0 3 0x14000 0x200 tmoslp softclockmp
21694 129788 0 0 3 0x14000 0x40000200 tmoslp softclock
68248 10520 0 0 3 0x14000 0x40000200 idle0
1 428726 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb{0}> show all locks
Process 8503 (syz-executor) thread 0xffff80002a235770 (312710)
shared rwlock amaplk r = 0 (0xfffffd806ce72570)
#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 uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834
#3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627
#4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
#5 usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
#6 recall_trap+0x8
shared rwlock vmmaplk r = 0 (0xfffffd806e204c80)
#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 3039 (systqmp) thread 0xffff800045ffe7c8 (399207)
shared rwlock systqmp r = 0 (0xffffffff8398fbe8)
#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 11045 12072K 12210K 166960K 12466 0
pcb 17 13K 14K 166960K 136 0
rtable 153 4K 7K 166960K 2306 0
pf 28 16K 25K 166960K 266 0
ifaddr 29 5K 8K 166960K 316 0
ifgroup 39 1K 2K 166960K 329 0
sysctl 3 1K 9K 166960K 7 0
counters 62 36K 37K 166960K 210 0
ioctlops 0 0K 4K 166960K 1586 0
iov 0 0K 16K 166960K 18 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1302 82K 82K 166960K 2345 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 7 0
VM map 2 1K 1K 166960K 2 0
sem 17 0K 0K 166960K 25 0
dirhash 15 2K 2K 166960K 21 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 11 34K 212K 166960K 1454 0
sigio 0 0K 0K 166960K 5 0
proc 72 115K 164K 166960K 2374 0
subproc 54 3K 5K 166960K 856 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 30 0
in_multi 59 3K 6K 166960K 823 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 38 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 67 307K 307K 166960K 67 0
exec 0 0K 1K 166960K 1252 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 175 149K 178K 166960K 10990 0
UVM aobj 9 2K 2K 166960K 9 0
pinsyscall 36 72K 101K 166960K 4268 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 6 0
NDP 8 0K 2K 166960K 228 0
temp 70 9127K 9182K 166960K 33114 0
kqueue 13 20K 24K 166960K 76 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 120 238 0 235 3 2 1 3 0 8 0
rtentry 176 826 0 759 6 1 5 6 0 8 0
unpcb 144 407 0 390 6 5 1 6 0 8 0
syncache 336 4 0 4 1 1 0 1 0 8 0
tcpcb 736 140 0 136 7 6 1 7 0 8 0
arp 136 147 0 137 1 0 1 1 0 8 0
inpcb 328 791 0 784 7 6 1 7 0 8 0
nd6 152 220 0 208 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 1 0 1 0 8 0
kcovpl 48 95 0 89 1 0 1 1 0 8 0
ppxss 1192 3 0 3 2 1 1 1 0 8 1
pfstscr 40 5 0 4 1 0 1 1 0 8 0
pffrag 232 2 0 1 1 0 1 1 0 482 0
pffrnode 88 2 0 1 1 0 1 1 0 8 0
pffrent 40 4 0 3 1 0 1 1 0 8 0
pfosfp 40 1428 0 1005 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfrktable 1344 1 0 1 1 1 0 1 0 8 0
pfsrclim 320 1 0 1 1 1 0 1 0 8 0
pfanchor 1288 23 0 12 2 1 1 2 0 8 0
pftag 88 1 0 1 1 1 0 1 0 8 0
pfstitem 24 66 0 30 1 0 1 1 0 8 0
pfstkey 128 70 0 34 2 0 2 2 0 8 0
pfstate 448 67 0 32 5 0 5 5 0 8 0
pfrule 1360 24 0 19 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 3340 0 3010 33 7 26 31 0 8 2
art_table 40 3341 0 3010 6 1 5 6 0 8 0
art_node 32 826 0 756 1 0 1 1 0 8 0
sysvmsgpl 40 4 0 4 3 2 1 1 0 8 1
semupl 112 2 0 2 2 1 1 1 0 8 1
semapl 72 21 0 6 1 0 1 1 0 8 0
shmpl 112 6 0 0 1 0 1 1 0 8 0
dirhash 1024 23 0 4 3 0 3 3 0 8 0
dino2pl 256 2174 0 547 102 0 102 102 0 8 0
ffsino 296 2174 0 547 126 0 126 126 0 8 0
nchpl 144 2732 0 788 73 0 73 73 0 8 0
vnodes 216 3140 0 0 175 0 175 175 0 8 0
namei 1024 17275 0 17275 2 1 1 2 0 8 1
percpumem 16 121 0 74 1 0 1 1 0 8 0
kstatmem 264 165 0 146 2 0 2 2 0 8 0
scsiplug 72 1 0 1 1 1 0 1 0 8 0
scxspl 216 9008 0 9008 10 9 1 8 1 8 1
plimitpl 152 252 0 236 1 0 1 1 0 8 0
sigapl 424 1605 0 1543 10 2 8 9 0 8 0
knotepl 120 551 0 0 17 0 17 17 0 8 0
kqueuepl 224 100 0 91 1 0 1 1 0 8 0
pipepl 344 410 0 379 5 1 4 4 0 8 0
fdescpl 528 1569 0 1544 3 0 3 3 0 8 0
filepl 160 5971 0 5783 19 8 11 15 0 8 1
lockfpl 104 79 0 77 1 0 1 1 0 8 0
lockfspl 48 39 0 37 1 0 1 1 0 8 0
sessionpl 144 126 0 117 1 0 1 1 0 8 0
pgrppl 48 225 0 209 1 0 1 1 0 8 0
ucredpl 104 523 0 509 1 0 1 1 0 8 0
zombiepl 144 1546 0 1543 1 0 1 1 0 8 0
processpl 1232 1605 0 1543 6 0 6 6 0 8 0
procpl 664 2179 0 2115 8 1 7 8 0 8 0
sockpl 752 1448 0 1421 28 24 4 17 0 8 1
mcl64k 65536 3 0 0 1 0 1 1 0 8 0
mcl8k 8192 2 0 0 1 0 1 1 0 8 0
mcl4k 4096 123 0 0 16 0 16 16 0 8 0
mcl2k 2048 34 0 0 5 0 5 5 0 8 0
mextrefs 64 33 0 0 1 0 1 1 0 8 0
mtagpl 96 2 0 0 1 0 1 1 0 8 0
mbufpl 256 275 0 0 18 0 18 18 0 8 0
bufpl 272 2960 0 105 191 0 191 191 0 8 0
anonpl 32 7474 0 0 61 0 61 61 0 247 0
amapchunkpl 152 29535 0 29229 28 9 19 23 0 158 4
amappl16 200 2383 0 2371 17 15 2 14 0 8 0
amappl15 192 9 0 9 1 1 0 1 0 8 0
amappl14 184 1197 0 1196 1 0 1 1 0 8 0
amappl13 176 251 0 239 1 0 1 1 0 8 0
amappl12 168 2102 0 2079 2 0 2 2 0 8 0
amappl11 160 7 0 7 1 1 0 1 0 8 0
amappl10 152 66 0 51 1 0 1 1 0 8 0
amappl9 144 278 0 278 1 1 0 1 0 8 0
amappl8 136 382 0 380 1 0 1 1 0 8 0
amappl7 128 280 0 267 1 0 1 1 0 8 0
amappl6 120 823 0 822 1 0 1 1 0 8 0
amappl5 112 96 0 85 1 0 1 1 0 8 0
amappl4 104 501 0 480 1 0 1 1 0 8 0
amappl3 96 5646 0 5582 3 0 3 3 0 8 0
amappl2 88 1438 0 1368 2 0 2 2 0 8 0
amappl1 80 19969 0 19397 15 1 14 15 0 8 0
amappl 88 9103 0 8999 5 1 4 5 0 92 0
uvmvnodes 80 106 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
dma512 512 1 0 1 1 0 1 1 0 8 1
dma256 256 6 0 6 1 1 0 1 0 8 0
dma128 128 254 0 254 2 2 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 8 0 0 1 0 1 1 0 8 0
uaddrrnd 24 1569 0 1544 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 1569 0 1544 1 0 1 1 0 8 0
vmmpekpl 168 14185 0 14132 4 0 4 4 0 8 0
vmmpepl 168 109634 0 108035 95 14 81 93 0 357 8
vmsppl 488 1568 0 1544 5 1 4 5 0 8 0
rwobjpl 80 32210 0 31271 29 5 24 28 0 8 0
pdppl 4096 3145 0 3088 161 98 63 83 0 8 6
pvpl 32 13570 0 0 110 0 110 110 0 265 0
pmappl 256 1568 0 1544 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 556 0 116 13 0 13 13 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(ffffffff8348b405) at panic+0x1e5 sys/kern/subr_prf.c:198
malloc(20,7f,1) at malloc+0xdb6 sys/kern/kern_malloc.c:357
ktrsyscall(ffff800045ffc538,5c,18,ffff80002a220f00) at ktrsyscall+0x19a sys/kern/kern_ktrace.c:174
syscall(ffff80002a220f00) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline]
syscall(ffff80002a220f00) at syscall+0x305 sys/arch/amd64/amd64/trap.c:791
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x765096e72520, count: -6
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_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:677
comcnputc(800,29) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1671 [inline]
comcnputc(800,29) at comcnputc+0x250 sys/dev/ic/com.c:1274
cnputc(29) at cnputc+0x67 sys/dev/cons.c:218
db_putchar(29) at db_putchar+0x36d sys/ddb/db_output.c:155
kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1
db_printf(ffffffff83465e62) at db_printf+0x9b sys/kern/subr_prf.c:-1
fault(ffffffff8352182b) at fault+0xa7 sys/arch/amd64/amd64/trap.c:163
kpageflttrap(ffff800034043f60,798e265b) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:298
kerntrap(ffff800034043f60) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
amap_lookups(fffffd806ce6f098,1000,ffff800034044150,8) at amap_lookups+0x1e0 amap_chunk_get sys/uvm/uvm_amap.c:120 [inline]
amap_lookups(fffffd806ce6f098,1000,ffff800034044150,8) at amap_lookups+0x1e0 sys/uvm/uvm_amap.c:1170
end trace frame: 0xffff800034044140, 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_read_1(3f8,5) at x86_bus_space_io_read_1+0x37 sys/arch/amd64/amd64/bus_space.c:677
comcnputc(800,29) at comcnputc+0x250 comcn_read_reg sys/dev/ic/com.c:1671 [inline]
comcnputc(800,29) at comcnputc+0x250 sys/dev/ic/com.c:1274
cnputc(29) at cnputc+0x67 sys/dev/cons.c:218
db_putchar(29) at db_putchar+0x36d sys/ddb/db_output.c:155
kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1
db_printf(ffffffff83465e62) at db_printf+0x9b sys/kern/subr_prf.c:-1
fault(ffffffff8352182b) at fault+0xa7 sys/arch/amd64/amd64/trap.c:163
kpageflttrap(ffff800034043f60,798e265b) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:298
kerntrap(ffff800034043f60) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
amap_lookups(fffffd806ce6f098,1000,ffff800034044150,8) at amap_lookups+0x1e0 amap_chunk_get sys/uvm/uvm_amap.c:120 [inline]
amap_lookups(fffffd806ce6f098,1000,ffff800034044150,8) at amap_lookups+0x1e0 sys/uvm/uvm_amap.c:1170
uvm_fault_check(ffff800034044250,ffff800034044288,ffff8000340442c0,0) at uvm_fault_check+0x8d2 sys/uvm/uvm_fault.c:840
uvm_fault(fffffd806e204b80,a14109e9000,0,1) at uvm_fault+0x106 sys/uvm/uvm_fault.c:627
upageflttrap(ffff8000340443f0,a14109e9c88) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:194
usertrap(ffff8000340443f0) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:648
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x72046cc0f110, count: -19