login: uvm_fault(0xffffffff828ad310, 0xfffffd0000000008, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at soreceive+0x1100: movq %rbx,0x8(%r13)
ddb{1}>
ddb{1}> set $lines = 0
ddb{1}> set $maxwidth = 0
ddb{1}> show panic
kernel page fault
uvm_fault(0xffffffff828ad310, 0xfffffd0000000008, 0, 2) -> e
soreceive(fffffd806f6804b0,0,ffff800020e1d178,0,0,ffff800020e1d084) at soreceive+0x1100 sbsync sys/kern/uipc_socket.c:661 [inline]
soreceive(fffffd806f6804b0,0,ffff800020e1d178,0,0,ffff800020e1d084) at soreceive+0x1100 sys/kern/uipc_socket.c:855
end trace frame: 0xffff800020e1d0c0, count: 0
ddb{1}> trace
soreceive(fffffd806f6804b0,0,ffff800020e1d178,0,0,ffff800020e1d084) at soreceive+0x1100 sbsync sys/kern/uipc_socket.c:661 [inline]
soreceive(fffffd806f6804b0,0,ffff800020e1d178,0,0,ffff800020e1d084) at soreceive+0x1100 sys/kern/uipc_socket.c:855
soo_read(fffffd8075bf74c0,ffff800020e1d178,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020ddd118,6,ffff800020e1d178,0,ffff800020e1d260) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff800020ddd118,ffff800020e1d210,ffff800020e1d260) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff800020e1d2e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020e1d2e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc0020, count: -6
ddb{1}> show registers
rdi 0
rsi 0
rbp 0xffff800020e1d060
rbx 0xfffffd8076787d00
rdx 0x3348 __ALIGN_SIZE+0x2348
rcx 0x80cf785c78eed33f
rax 0x1
r8 0xffffffff81241ed1 soreceive+0x5c1
r9 0x3
r10 0xbaf3f6c6ce4e1924
r11 0xabe9c9b69fc8aae7
r12 0x10de __ALIGN_SIZE+0xde
r13 0xfffffd0000000000
r14 0
r15 0xfffffd806f6804b0
rip 0xffffffff81242a10 soreceive+0x1100
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800020e1cf70
ss 0x10
soreceive+0x1100: movq %rbx,0x8(%r13)
ddb{1}> show proc
PROC (dhclient) pid=348270 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800020ddc4e8,0xffff800020ddd398
process=0xffff800020df1348 user=0xffff800020e18000, vmspace=0xfffffd807f000170
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{1}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
6086 226673 57576 0 3 0 tqbarwait syz-executor.0
88836 137523 54405 0 7 0 syz-executor.1
57576 15455 77921 0 3 0x82 nanosleep syz-executor.0
54405 482129 77921 0 3 0x82 nanosleep syz-executor.1
77921 467932 72100 0 3 0x82 thrsleep syz-execprog
77921 207960 72100 0 3 0x4000082 thrsleep syz-execprog
77921 474583 72100 0 3 0x4000082 thrsleep syz-execprog
77921 63962 72100 0 3 0x4000082 thrsleep syz-execprog
77921 90507 72100 0 3 0x4000082 kqread syz-execprog
77921 196546 72100 0 3 0x4000082 thrsleep syz-execprog
77921 46436 72100 0 3 0x4000082 thrsleep syz-execprog
77921 402613 72100 0 3 0x4000082 thrsleep syz-execprog
77921 420317 72100 0 3 0x4000082 thrsleep syz-execprog
77921 511638 72100 0 3 0x4000082 thrsleep syz-execprog
77921 200380 72100 0 3 0x4000082 thrsleep syz-execprog
72100 415750 10485 0 3 0x10008a pause ksh
10485 102377 83445 0 3 0x92 select sshd
28534 416825 1 0 3 0x100083 ttyin getty
83445 153406 1 0 3 0x80 select sshd
3935 414324 68513 74 3 0x100092 bpf pflogd
68513 189393 1 0 3 0x80 netio pflogd
13340 268855 64356 73 3 0x100090 kqread syslogd
64356 103693 1 0 3 0x100082 netio syslogd
90847 103303 1 77 3 0x100090 poll dhclient
* 5491 348270 1 0 7 0 dhclient
95976 110489 0 0 3 0x14200 bored smr
76558 222443 0 0 3 0x14200 pgzero zerothread
46584 205502 0 0 3 0x14200 aiodoned aiodoned
80671 316641 0 0 3 0x14200 syncer update
19135 360730 0 0 3 0x14200 cleaner cleaner
876 123183 0 0 3 0x14200 reaper reaper
72101 428757 0 0 3 0x14200 pgdaemon pagedaemon
159 400244 0 0 3 0x14200 bored crynlk
15817 366396 0 0 3 0x14200 bored crypto
61550 288684 0 0 3 0x40014200 acpi0 acpi0
86550 514149 0 0 3 0x40014200 idle1
17955 354584 0 0 3 0x14200 tqbarend softnet
27376 119325 0 0 3 0x14200 bored systqmp
1747 517290 0 0 3 0x14200 bored systq
99269 169705 0 0 3 0x40014200 bored softclock
72480 151264 0 0 3 0x40014200 idle0
1 303104 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{1}> show all locks
Process 5491 (dhclient) thread 0xffff800020ddd118 (348270)
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82923b00)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 solock+0x66 sys/kern/uipc_socket2.c:292
#2 soreceive+0x114 sys/kern/uipc_socket.c:737
#3 soo_read+0x53 sys/kern/sys_socket.c:70
#4 dofilereadv+0x1a1 sys/kern/sys_generic.c:237
#5 sys_read+0x83 sys/kern/sys_generic.c:157
#6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
#7 Xsyscall+0x128
Process 17955 (softnet) thread 0xffff800020d88000 (354584)
shared rwlock softnet r = 0 (0xffff80000002c070)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 taskq_thread+0xdf sys/kern/kern_task.c:436
#2 proc_trampoline+0x1c
ddb{1}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9467 6398K 6398K 78643K 10564 0
pcb 13 8K 8K 78643K 13 0
rtable 61 2K 3K 78643K 205 0
ifaddr 29 8K 11K 78643K 47 0
counters 39 33K 33K 78643K 43 0
ioctlops 0 0K 4K 78643K 1469 0
mount 1 1K 1K 78643K 1 0
vnodes 1181 74K 75K 78643K 1188 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 1K 78643K 2 0
VM map 2 1K 1K 78643K 2 0
sem 2 0K 0K 78643K 2 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1824 197K 290K 78643K 13058 0
file desc 6 17K 25K 78643K 36 0
proc 59 63K 95K 78643K 438 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 23 1K 2K 78643K 41 0
ether_multi 1 0K 0K 78643K 1 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 19 95K 95K 78643K 19 0
exec 0 0K 1K 78643K 210 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 80 20K 21K 78643K 1003 0
UVM aobj 2 2K 2K 78643K 2 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 10 0
temp 24 3853K 3917K 78643K 1972 0
kqueue 3 4K 4K 78643K 3 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 6 0 4 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 80 19 0 17 1 0 1 1 0 8 0
rtentry 112 45 0 23 2 0 2 2 0 8 1
unpcb 120 29 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 296 41 0 31 1 0 1 1 0 8 0
nd6 48 6 0 6 1 0 1 1 0 8 1
pfosfp 40 846 0 423 5 0 5 5 0 8 0
pfosfpen 112 1428 0 714 21 0 21 21 0 8 0
pfstitem 24 11 0 6 2 1 1 1 0 8 0
pfstkey 112 11 0 6 2 1 1 1 0 8 0
pfstate 328 11 0 6 2 1 1 1 0 8 0
pfrule 1360 21 0 16 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 188 0 92 12 0 12 12 0 8 6
art_table 32 189 0 92 2 0 2 2 0 8 1
art_node 16 44 0 24 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1429 0 24 88 0 88 88 0 8 0
ffsino 272 1429 0 24 94 0 94 94 0 8 0
nchpl 144 1651 0 38 60 0 60 60 0 8 0
uvmvnodes 72 1439 0 0 27 0 27 27 0 8 0
vnodes 208 1439 0 0 76 0 76 76 0 8 0
namei 1024 4355 0 4355 2 1 1 1 0 8 1
percpumem 16 32 0 2 1 0 1 1 0 8 0
scxspl 192 4702 0 4702 43 42 1 7 0 8 1
plimitpl 152 16 0 8 1 0 1 1 0 8 0
sigapl 424 255 0 223 4 0 4 4 0 8 0
knotepl 112 59 0 42 1 0 1 1 0 8 0
kqueuepl 144 2 0 0 1 0 1 1 0 8 0
pipepl 304 81 0 71 2 1 1 1 0 8 0
fdescpl 496 240 0 223 3 0 3 3 0 8 0
filepl 152 1149 0 1078 3 0 3 3 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 20 0 9 1 0 1 1 0 8 0
pgrppl 48 20 0 9 1 0 1 1 0 8 0
ucredpl 96 62 0 53 1 0 1 1 0 8 0
zombiepl 144 223 0 223 2 1 1 1 0 8 1
processpl 984 255 0 223 5 0 5 5 0 8 1
procpl 624 265 0 223 4 0 4 4 0 8 0
srpgc 64 4 0 4 1 0 1 1 0 8 1
sockpl 400 89 0 67 3 0 3 3 0 8 0
mcl4k 4096 4 0 0 1 0 1 1 0 8 0
mcl2k 2048 76 0 0 10 0 10 10 0 8 0
mtagpl 96 1 0 0 1 0 1 1 0 8 0
mbufpl 256 159 0 0 8 0 8 8 0 8 0
bufpl 280 3058 0 133 209 0 209 209 0 8 0
anonpl 16 23353 0 21587 14 2 12 12 0 124 3
amapchunkpl 152 885 0 820 5 0 5 5 0 158 1
amappl16 192 170 0 128 3 0 3 3 0 8 0
amappl15 184 3 0 1 1 0 1 1 0 8 0
amappl14 176 31 0 27 1 0 1 1 0 8 0
amappl13 168 31 0 27 2 1 1 1 0 8 0
amappl11 152 63 0 46 1 0 1 1 0 8 0
amappl10 144 24 0 20 1 0 1 1 0 8 0
amappl9 136 236 0 233 1 0 1 1 0 8 0
amappl8 128 290 0 281 1 0 1 1 0 8 0
amappl7 120 120 0 109 1 0 1 1 0 8 0
amappl6 112 31 0 25 1 0 1 1 0 8 0
amappl5 104 139 0 125 1 0 1 1 0 8 0
amappl4 96 511 0 484 1 0 1 1 0 8 0
amappl3 88 108 0 99 1 0 1 1 0 8 0
amappl2 80 939 0 875 2 0 2 2 0 8 0
amappl1 72 15947 0 15500 23 5 18 18 0 8 8
amappl 80 505 0 474 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 24 240 0 223 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 240 0 223 1 0 1 1 0 8 0
vmmpekpl 168 6436 0 6409 2 0 2 2 0 8 0
vmmpepl 168 33792 0 32764 81 9 72 72 0 357 27
vmsppl 368 239 0 223 2 0 2 2 0 8 0
pdppl 4096 487 0 446 6 0 6 6 0 8 0
pvpl 32 117182 0 112855 107 2 105 105 0 265 67
pmappl 232 239 0 223 2 0 2 2 0 8 1
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 239 0 4 7 0 7 7 0 8 0
ddb{1}> machine ddbcpu 0
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{0}> trace
x86_ipi_db(ffffffff8270eff0) 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(ffffffff829238f8,ffffffff829238f8) at __sanitizer_cov_trace_cmp4+0xb sys/dev/kcov.c:134
__mp_acquire_count(ffffffff829238f8,1) at __mp_acquire_count+0x51 sys/kern/kern_lock.c:227
mi_switch() at mi_switch+0x392 sys/kern/sched_bsd.c:435
sleep_finish(ffff800020ef2d18,1) at sleep_finish+0x113 sys/kern/kern_synch.c:418
sleep_finish_all(ffff800020ef2d18,1) at sleep_finish_all+0x32 sleep_finish_timeout sys/kern/kern_synch.c:447 [inline]
sleep_finish_all(ffff800020ef2d18,1) at sleep_finish_all+0x32 sys/kern/kern_synch.c:393
msleep(ffff80000002c068,ffff80000002c018,20,ffffffff823d316a,0) at msleep+0x214 sys/kern/kern_synch.c:257
taskq_do_barrier(ffff80000002c000) at taskq_do_barrier+0x131 sys/kern/kern_task.c:301
ifq_destroy(ffff800000ac6278) at ifq_destroy+0xd1 sys/net/ifq.c:274
if_detach(ffff800000ac6000) at if_detach+0x3f8 sys/net/if.c:1186
tun_clone_destroy(ffff800000ac6000) at tun_clone_destroy+0x1f2 sys/net/if_tun.c:329
ifioctl(fffffd806cf6ae20,80206979,ffff800020ef3070,ffff800020e23878) at ifioctl+0x3ea sys/net/if.c:1929
soo_ioctl(fffffd806cf50568,80206979,ffff800020ef3070,ffff800020e23878) at soo_ioctl+0x27c sys/kern/sys_socket.c:138
sys_ioctl(ffff800020e23878,ffff800020ef3188,ffff800020ef31d0) at sys_ioctl+0x4a5
syscall(ffff800020ef3250) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020ef3250) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc3130, count: -18
ddb{0}> machine ddbcpu 1
Stopped at soreceive+0x1100: movq %rbx,0x8(%r13)
ddb{1}> trace
soreceive(fffffd806f6804b0,0,ffff800020e1d178,0,0,ffff800020e1d084) at soreceive+0x1100 sbsync sys/kern/uipc_socket.c:661 [inline]
soreceive(fffffd806f6804b0,0,ffff800020e1d178,0,0,ffff800020e1d084) at soreceive+0x1100 sys/kern/uipc_socket.c:855
soo_read(fffffd8075bf74c0,ffff800020e1d178,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020ddd118,6,ffff800020e1d178,0,ffff800020e1d260) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff800020ddd118,ffff800020e1d210,ffff800020e1d260) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff800020e1d2e0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020e1d2e0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffc0020, count: -6