kernel: protection fault trap, code=0
Stopped at ktrops+0x4e: movq 0x8(%rbx),%r14
ddb>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
the kernel did not panic
ddb> trace
ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e sys/kern/kern_ktrace.c:561
doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 sys/kern/kern_ktrace.c:493
sys_ktrace(ffff80002c0e7a98,ffff80002daf3140,ffff80002daf3090) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002daf3140) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x31f4da05fa0, count: -5
ddb> show registers
rdi 0xffff80002c0e7a98
rsi 0xdead4110dead4110
rbp 0xffff80002daf2e60
rbx 0xdead4110dead4110
rdx 0
rcx 0x80001100 __kernel_virt_to_phys+0x1100
rax 0xffff80002c0e7a98
r8 0xfffffd8067c21558
r9 0xfffffd807f7d7a28
r10 0xbc79b4eb929e132
r11 0x433a61e14ec4977
r12 0xffff8000fffff670
r13 0xfffffd807f7d7a28
r14 0xffff80002c0e7a98
r15 0x80001100 __kernel_virt_to_phys+0x1100
rip 0xffffffff81b6ed7e ktrops+0x4e
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002daf2de0
ss 0
ktrops+0x4e: movq 0x8(%rbx),%r14
ddb> show proc
PROC (syz-executor.2) tid=276970 pid=45793 tcnt=4 stat=onproc
flags process=0 proc=4000000<THREAD>
runpri=17, usrpri=66, slppri=17, nice=20
wchan=0x0, wmesg=, ps_single=0x0
forw=0xffffffffffffffff, list=0xffff80002c0e6008,0xffff80002a61ad70
process=0xffff8000377e3688 user=0xffff80002daee000, vmspace=0xfffffd8067558190
estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
71788 171694 16525 0 2 0 syz-executor.7
71788 46190 16525 0 3 0x4000000 biowait syz-executor.7
45793 134598 50269 0 2 0 syz-executor.2
*45793 276970 50269 0 7 0x4000000 syz-executor.2
45793 211956 50269 0 2 0x4000000 syz-executor.2
45793 359370 50269 0 2 0x4000000 syz-executor.2
89715 450587 85399 0 3 0x80 nanoslp syz-executor.6
89715 115472 85399 0 3 0x4000080 ttyout syz-executor.6
89715 407262 85399 0 3 0x4000080 fsleep syz-executor.6
70490 69967 67402 0 2 0x2 syz-executor.5
17069 443601 67402 0 2 0x2 syz-executor.0
18482 292576 0 0 3 0x14280 nfsidl nfsio
59060 85345 0 0 3 0x14280 nfsidl nfsio
58227 326969 0 0 3 0x14280 nfsidl nfsio
44794 62111 0 0 3 0x14280 nfsidl nfsio
88305 303511 0 0 3 0x14280 nfsidl nfsio
79353 498204 0 0 3 0x14280 nfsidl nfsio
34848 208133 0 0 3 0x14280 nfsidl nfsio
69383 368422 0 0 3 0x14280 nfsidl nfsio
56439 463675 0 0 3 0x14280 nfsidl nfsio
73697 316958 0 0 3 0x14280 nfsidl nfsio
35591 225171 0 0 3 0x14280 nfsidl nfsio
85256 272295 0 0 3 0x14280 nfsidl nfsio
17579 220001 0 0 3 0x14280 nfsidl nfsio
28618 341600 0 0 3 0x14280 nfsidl nfsio
98292 487134 0 0 3 0x14280 nfsidl nfsio
5972 151687 0 0 3 0x14280 nfsidl nfsio
93921 309514 0 0 3 0x14280 nfsidl nfsio
38082 260312 0 0 3 0x14280 nfsidl nfsio
483 90367 0 0 3 0x14280 nfsidl nfsio
72602 254190 0 0 3 0x14280 nfsidl nfsio
83902 437954 67402 0 2 0x2 syz-executor.3
85399 356110 67402 0 3 0x82 nanoslp syz-executor.6
64443 251426 0 0 3 0x14200 bored sosplice
16525 242842 67402 0 3 0x82 nanoslp syz-executor.7
87492 252484 67402 0 3 0x82 nanoslp syz-executor.4
95633 365322 67402 0 2 0x2 syz-executor.1
50269 152504 67402 0 2 0x482 syz-executor.2
67402 346969 94169 0 3 0x2000082 thrsleep syz-fuzzer
67402 248634 94169 0 3 0x6000082 nanoslp syz-fuzzer
67402 349109 94169 0 3 0x6000082 thrsleep syz-fuzzer
67402 61428 94169 0 3 0x6000082 wait syz-fuzzer
67402 443112 94169 0 3 0x6000082 wait syz-fuzzer
67402 273286 94169 0 3 0x6000082 wait syz-fuzzer
67402 487988 94169 0 3 0x6000082 wait syz-fuzzer
67402 245885 94169 0 3 0x6000082 wait syz-fuzzer
67402 287238 94169 0 3 0x6000082 wait syz-fuzzer
67402 78744 94169 0 3 0x6000082 thrsleep syz-fuzzer
67402 285142 94169 0 3 0x6000082 thrsleep syz-fuzzer
67402 354745 94169 0 3 0x6000082 wait syz-fuzzer
67402 413442 94169 0 3 0x6000082 wait syz-fuzzer
67402 330278 94169 0 2 0x6000002 syz-fuzzer
94169 421324 94903 0 3 0x10008a sigsusp ksh
94903 62332 1859 0 3 0x9a kqread sshd
57161 257281 1 0 3 0x100083 ttyin getty
1859 167489 1 0 3 0x88 kqread sshd
5530 91142 46478 73 3 0x1100090 kqread syslogd
46478 266546 1 0 3 0x100082 netio syslogd
22222 374145 1 0 3 0x100080 kqread resolvd
23173 8574 63010 77 3 0x100092 kqread dhcpleased
7406 8100 63010 77 3 0x100092 kqread dhcpleased
63010 467929 1 0 3 0x80 kqread dhcpleased
67034 437298 0 0 3 0x14200 bored smr
15839 511380 0 0 2 0x14200 zerothread
721 283826 0 0 3 0x14200 aiodoned aiodoned
92037 54731 0 0 3 0x14200 syncer update
82684 439075 0 0 3 0x14200 cleaner cleaner
44766 497480 0 0 3 0x14200 reaper reaper
72942 446470 0 0 3 0x14200 pgdaemon pagedaemon
24495 298586 0 0 3 0x14200 bored viomb
6041 26204 0 0 3 0x40014200 acpi0 acpi0
56926 399224 0 0 3 0x14200 bored softnet3
6305 13462 0 0 3 0x14200 bored softnet2
40819 306266 0 0 3 0x14200 bored softnet1
46865 121191 0 0 3 0x14200 bored softnet0
79690 136557 0 0 3 0x14200 bored systqmp
37478 404548 0 0 3 0x14200 bored systq
73666 520596 0 0 3 0x40014200 tmoslp softclock
82241 124916 0 0 3 0x40014200 idle0
1 274227 0 0 3 0x80082 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
devbuf 10174 6409K 7530K 166960K 16700 0
pcb 15 18K 20K 166960K 394 0
rtable 200 7K 8K 166960K 709 0
pf 29 8K 9K 166960K 92 0
ifaddr 37 10K 11K 166960K 88 0
ifgroup 50 2K 2K 166960K 155 0
sysctl 4 1K 1K 166960K 4 0
counters 30 17K 17K 166960K 54 0
ioctlops 0 0K 2K 166960K 221 0
iov 0 0K 16K 166960K 415 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1472 92K 92K 166960K 3093 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 17 0
VM map 2 1K 1K 166960K 2 0
sem 12 0K 1K 166960K 179 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1697 195K 286K 166960K 12548 0
file desc 14 49K 73K 166960K 2963 0
sigio 0 0K 0K 166960K 149 0
proc 58 59K 75K 166960K 692 0
subproc 104 6K 6K 166960K 169 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 0 0K 0K 166960K 104 0
in_multi 77 5K 7K 166960K 166 0
ether_multi 1 0K 0K 166960K 4 0
mrt 0 0K 0K 166960K 3 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 79 360K 360K 166960K 79 0
exec 0 0K 1K 166960K 1001 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 346 196K 196K 166960K 29501 0
UVM aobj 131 8K 8K 166960K 131 0
memdesc 1 4K 4K 166960K 1 0
crypto data 1 1K 1K 166960K 1 0
ip6_options 0 0K 0K 166960K 175 0
NDP 11 0K 1K 166960K 61 0
temp 74 6764K 7134K 166960K 26386 0
kqueue 12 18K 28K 166960K 254 0
SYN cache 2 16K 16K 166960K 2 0
ddb> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
rtpcb 120 162 0 159 2 0 2 2 0 8 1
rtentry 112 182 0 92 4 0 4 4 0 8 0
unpcb 144 1959 0 1946 9 3 6 6 0 8 5
syncache 336 48 0 48 2 1 1 1 0 8 1
tcpqe 32 422 0 422 2 1 1 1 0 8 1
tcpcb 808 1374 0 1367 27 18 9 15 0 8 8
arp 88 31 0 17 1 0 1 1 0 8 0
ipq 40 5 0 5 1 0 1 1 0 8 1
ipqe 40 75 0 75 1 0 1 1 0 8 1
inpcb 360 3119 0 3109 37 28 9 15 0 8 8
nd6 104 41 0 21 1 0 1 1 0 8 0
pkpcb 40 42 0 42 2 1 1 1 0 8 1
kcovpl 48 13 0 5 1 0 1 1 0 8 0
ppxss 1072 3 0 3 1 1 0 1 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 690 0 314 31 5 26 29 0 8 1
art_table 32 691 0 314 4 0 4 4 0 8 0
art_node 16 176 0 94 1 0 1 1 0 8 0
semupl 112 4 0 4 1 1 0 1 0 8 0
semapl 112 174 0 164 1 0 1 1 0 8 0
shmpl 112 128 0 0 4 0 4 4 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 5365 0 3902 92 0 92 92 0 8 0
ffsino 240 5365 0 3902 87 0 87 87 0 8 0
nchpl 144 9573 0 7925 63 0 63 63 0 8 0
uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0
vnodes 216 5926 0 0 330 0 330 330 0 8 0
namei 1024 33248 0 33246 3 2 1 3 0 8 0
vcpupl 2048 49 0 0 7 0 7 7 0 8 0
vmpool 664 54 0 5 5 0 5 5 0 8 0
kstatmem 264 70 0 48 2 0 2 2 0 8 0
scxspl 216 33230 0 33229 11 7 4 8 1 8 3
plimitpl 152 388 0 371 1 0 1 1 0 8 0
sigapl 424 3391 0 3329 8 0 8 8 0 8 0
futexpl 64 28171 0 28170 1 0 1 1 0 8 0
knotepl 120 31600 0 31518 11 7 4 11 0 8 0
kqueuepl 184 544 0 536 6 3 3 4 0 8 2
pipepl 288 707 0 679 9 4 5 7 0 8 2
fdescpl 432 3234 0 3209 4 0 4 4 0 8 0
filepl 120 20490 0 20245 19 5 14 14 0 8 5
lockfpl 104 973 0 971 3 1 2 2 0 8 1
lockfspl 48 381 0 379 1 0 1 1 0 8 0
sessionpl 144 28 0 12 1 0 1 1 0 8 0
pgrppl 48 50 0 34 1 0 1 1 0 8 0
ucredpl 104 3010 0 3000 1 0 1 1 0 8 0
zombiepl 144 3330 0 3329 1 0 1 1 0 8 0
processpl 1072 3391 0 3329 5 0 5 5 0 8 0
procpl 680 7750 0 7669 10 1 9 9 0 8 1
sosppl 168 42 0 42 1 0 1 1 0 8 1
sockpl 488 5287 0 5258 89 75 14 24 0 8 8
mcl64k 65536 149 0 149 2 1 1 1 0 8 1
mcl16k 16384 79 0 79 2 1 1 1 0 8 1
mcl12k 12288 98 0 98 2 1 1 1 0 8 1
mcl9k 9216 48 0 48 2 1 1 1 0 8 1
mcl8k 8192 187 0 187 1 0 1 1 0 8 1
mcl4k 4096 408 0 408 6 3 3 4 0 8 3
mcl2k2 2112 20 0 20 2 1 1 1 0 8 1
mcl2k 2048 75118 0 75045 38 26 12 28 0 8 2
mtagpl 96 399 0 128 7 0 7 7 0 8 0
mbufpl 256 153905 0 153552 213 177 36 71 0 8 8
bufpl 280 10407 0 4015 457 0 457 457 0 8 0
anonpl 24 438421 0 424365 107 14 93 107 0 188 2
amapchunkpl 152 94775 0 93951 47 4 43 43 0 158 7
amappl16 200 10300 0 9863 36 11 25 36 0 8 1
amappl15 192 14 0 14 1 1 0 1 0 8 0
amappl14 184 163 0 151 2 1 1 2 0 8 0
amappl13 176 12 0 12 2 1 1 1 0 8 1
amappl12 168 3934 0 3906 2 0 2 2 0 8 0
amappl11 160 53 0 41 1 0 1 1 0 8 0
amappl10 152 33 0 23 1 0 1 1 0 8 0
amappl9 144 167 0 166 1 0 1 1 0 8 0
amappl8 136 225 0 169 3 0 3 3 0 8 0
amappl7 128 178 0 156 2 0 2 2 0 8 0
amappl6 120 360 0 353 1 0 1 1 0 8 0
amappl5 112 193 0 184 1 0 1 1 0 8 0
amappl4 104 527 0 506 2 1 1 2 0 8 0
amappl3 96 19124 0 19051 3 0 3 3 0 8 0
amappl2 88 3792 0 3725 3 1 2 3 0 8 0
amappl1 80 19920 0 19427 21 9 12 21 0 8 0
amappl 88 28876 0 28658 6 0 6 6 0 92 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 72 130 0 0 3 0 3 3 0 8 0
uaddrrnd 24 3288 0 3214 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 3288 0 3214 1 0 1 1 0 8 0
vmmpekpl 168 28091 0 28023 4 0 4 4 0 8 0
vmmpepl 168 208631 0 206486 146 31 115 133 0 357 13
vmsppl 352 3287 0 3214 8 0 8 8 0 8 1
rwobjpl 24 61467 0 53986 46 0 46 46 0 8 0
pdppl 4096 6582 0 6477 287 174 113 113 0 8 8
pvpl 32 1072084 0 1052774 365 196 169 362 0 265 2
pmappl 216 3287 0 3214 5 0 5 5 0 8 0
extentpl 40 56 0 38 1 0 1 1 0 8 0
phpool 112 824 0 415 13 0 13 13 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e sys/kern/kern_ktrace.c:561
doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 sys/kern/kern_ktrace.c:493
sys_ktrace(ffff80002c0e7a98,ffff80002daf3140,ffff80002daf3090) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002daf3140) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x31f4da05fa0, count: -5
ddb> machine ddbcpu 1
No such command
ddb> trace
ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline]
ktrops(ffff80002c0e7a98,dead4110dead4110,0,80001100,fffffd8067c21558,fffffd807f7d7a28) at ktrops+0x4e sys/kern/kern_ktrace.c:561
doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline]
doktrace(fffffd8067c21558,4,1100,ffffffff,ffff80002c0e7a98) at doktrace+0x428 sys/kern/kern_ktrace.c:493
sys_ktrace(ffff80002c0e7a98,ffff80002daf3140,ffff80002daf3090) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549
syscall(ffff80002daf3140) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x31f4da05fa0, count: -5