login: panic: receive 1a: so 0xfffffd806f6e3320, so_type 3, m 0xfffffd8078eb1c00, m_type 0
Stopped at db_enter+0x18: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*270619 67836 0 0 0 0K dhclient
297077 14905 0 0x14000 0x200 1 reaper
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821e6ec6) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6e3320,0,ffff800020ead968,0,0,ffff800020ead874) at soreceive+0x174a sys/kern/uipc_socket.c:977
soo_read(fffffd80789f3000,ffff800020ead968,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020e6d388,6,ffff800020ead968,0,ffff800020eada50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff800020e6d388,ffff800020eada00,ffff800020eada50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff800020eadad0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020eadad0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcdab0, count: 7
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
receive 1a: so 0xfffffd806f6e3320, so_type 3, m 0xfffffd8078eb1c00, m_type 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821e6ec6) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6e3320,0,ffff800020ead968,0,0,ffff800020ead874) at soreceive+0x174a sys/kern/uipc_socket.c:977
soo_read(fffffd80789f3000,ffff800020ead968,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020e6d388,6,ffff800020ead968,0,ffff800020eada50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff800020e6d388,ffff800020eada00,ffff800020eada50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff800020eadad0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020eadad0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcdab0, count: -8
ddb{0}> show registers
rdi 0
rsi 0x1
rbp 0xffff800020ead6b0
rbx 0xffff800020ead760
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff81ce7e0f kprintf+0x16f
r9 0x1
r10 0xbf75237840994c42
r11 0x4b358ef94254d148
r12 0x3000000008
r13 0xffff800020ead6c0
r14 0x100
r15 0x1
rip 0xffffffff815014f8 db_enter+0x18
cs 0x8
rflags 0x246
rsp 0xffff800020ead6a0
ss 0x10
db_enter+0x18: addq $0x8,%rsp
ddb{0}> show proc
PROC (dhclient) pid=270619 stat=onproc
flags process=0 proc=0
pri=24, usrpri=50, nice=20
forw=0xffffffffffffffff, list=0xffff800020e6c008,0xffff800020e6d608
process=0xffff800020e803e8 user=0xffff800020ea8000, vmspace=0xfffffd807efff2e0
estcpu=0, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
75264 109938 29257 0 3 0x82 piperd syz-executor.1
29257 129986 1879 0 3 0x82 thrsleep syz-execprog
29257 413879 1879 0 3 0x4000082 thrsleep syz-execprog
29257 198030 1879 0 3 0x4000082 thrsleep syz-execprog
29257 152514 1879 0 3 0x4000082 thrsleep syz-execprog
29257 432511 1879 0 3 0x4000082 thrsleep syz-execprog
29257 302120 1879 0 3 0x4000082 thrsleep syz-execprog
29257 320330 1879 0 2 0x4000082 syz-execprog
29257 345261 1879 0 3 0x4000082 thrsleep syz-execprog
29257 368250 1879 0 3 0x4000082 thrsleep syz-execprog
1879 123373 27105 0 3 0x10008a pause ksh
27105 207016 77803 0 3 0x92 select sshd
37853 351930 1 0 3 0x100083 ttyin getty
77803 457625 1 0 3 0x80 select sshd
75296 342421 43255 74 3 0x100092 bpf pflogd
43255 514349 1 0 3 0x80 netio pflogd
44776 210825 30436 73 3 0x100090 kqread syslogd
30436 342160 1 0 3 0x100082 netio syslogd
2573 55386 1 77 2 0x100010 dhclient
*67836 270619 1 0 7 0 dhclient
268 291982 0 0 3 0x14200 bored smr
36810 156074 0 0 3 0x14200 pgzero zerothread
70143 52777 0 0 3 0x14200 aiodoned aiodoned
98099 31949 0 0 3 0x14200 syncer update
98823 456582 0 0 3 0x14200 cleaner cleaner
14905 297077 0 0 7 0x14200 reaper
42153 356582 0 0 3 0x14200 pgdaemon pagedaemon
18317 252021 0 0 3 0x14200 bored crynlk
57309 174439 0 0 3 0x14200 bored crypto
65862 132103 0 0 3 0x40014200 acpi0 acpi0
43312 168626 0 0 3 0x40014200 idle1
74420 126894 0 0 3 0x14200 bored softnet
79847 339673 0 0 3 0x14200 bored systqmp
89586 283733 0 0 3 0x14200 bored systq
63372 189274 0 0 3 0x40014200 bored softclock
80662 514872 0 0 3 0x40014200 idle0
1 95132 0 0 2 0x82 init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
CPU 1:
exclusive mutex &(curpg)->mdpage.pv_mtx r = 0 (0xfffffd8006f9a418)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 pmap_remove_ptes+0x233 pmap_remove_pv sys/arch/amd64/amd64/pmap.c:1051 [inline]
#3 pmap_remove_ptes+0x233 sys/arch/amd64/amd64/pmap.c:1644
#4 pmap_do_remove+0x401 sys/arch/amd64/amd64/pmap.c:1852
#5 uvm_map_teardown+0x195 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#5 uvm_map_teardown+0x195 sys/uvm/uvm_map.c:2739
#6 uvmspace_free+0x86 sys/uvm/uvm_map.c:3646
#7 uvm_exit+0x29 sys/uvm/uvm_glue.c:297
#8 reaper+0x189 sys/kern/kern_exit.c:456
#9 proc_trampoline+0x1c
exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd807effe668)
#0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164
#1 mtx_enter_try+0x102
#2 mtx_enter+0x4b sys/kern/kern_lock.c:266
#3 pmap_do_remove+0x88 rcr3 machine/cpufunc.h:141 [inline]
#3 pmap_do_remove+0x88 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:414 [inline]
#3 pmap_do_remove+0x88 sys/arch/amd64/amd64/pmap.c:1756
#4 uvm_map_teardown+0x195 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline]
#4 uvm_map_teardown+0x195 sys/uvm/uvm_map.c:2739
#5 uvmspace_free+0x86 sys/uvm/uvm_map.c:3646
#6 uvm_exit+0x29 sys/uvm/uvm_glue.c:297
#7 reaper+0x189 sys/kern/kern_exit.c:456
#8 proc_trampoline+0x1c
Process 67836 (dhclient) thread 0xffff800020e6d388 (270619)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82662e18)
#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:731
#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
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9466 6395K 6398K 78643K 10561 0
pcb 13 8K 8K 78643K 13 0
rtable 83 2K 3K 78643K 201 0
ifaddr 37 9K 10K 78643K 207 0
counters 41 33K 33K 78643K 43 0
ioctlops 0 0K 4K 78643K 1469 0
mount 1 1K 1K 78643K 1 0
vnodes 1183 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 1809 196K 290K 78643K 12766 0
file desc 2 4K 24K 78643K 195 0
proc 59 63K 83K 78643K 438 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 22 1K 2K 78643K 33 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 81 20K 20K 78643K 1165 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 5 0K 0K 78643K 10 0
temp 29 3033K 3097K 78643K 2287 0
kqueue 3 4K 4K 78643K 3 0
SYN cache 2 16K 16K 78643K 2 0
ddb{0}> show all pools
Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle
arp 64 6 0 2 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 12 2 0 2 2 0 8 0
unpcb 120 29 0 19 1 0 1 1 0 8 0
syncache 264 5 0 5 1 0 1 1 0 8 1
tcpcb 544 8 0 5 1 0 1 1 0 8 0
inpcb 280 199 0 193 1 0 1 1 0 8 0
nd6 48 6 0 3 1 0 1 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
pfstitem 24 12 0 0 1 0 1 1 0 8 0
pfstkey 112 12 0 0 1 0 1 1 0 8 0
pfstate 328 12 0 0 1 0 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 44 12 0 12 12 0 8 2
art_table 32 189 0 44 2 0 2 2 0 8 0
art_node 16 44 0 14 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1590 0 183 88 0 88 88 0 8 0
ffsino 272 1590 0 183 94 0 94 94 0 8 0
nchpl 144 1969 0 362 60 0 60 60 0 8 0
uvmvnodes 72 1600 0 0 30 0 30 30 0 8 0
vnodes 208 1600 0 0 85 0 85 85 0 8 0
namei 1024 4954 0 4954 1 0 1 1 0 8 1
percpumem 16 32 0 1 1 0 1 1 0 8 0
scxspl 192 4828 0 4828 2 1 1 2 0 8 1
plimitpl 152 16 0 8 1 0 1 1 0 8 0
sigapl 424 415 0 386 4 0 4 4 0 8 0
knotepl 112 59 0 44 1 0 1 1 0 8 0
kqueuepl 144 2 0 0 1 0 1 1 0 8 0
pipelkpl 48 81 0 72 1 0 1 1 0 8 0
pipepl 120 162 0 147 1 0 1 1 0 8 0
fdescpl 496 400 0 386 3 0 3 3 0 8 0
filepl 152 1461 0 1399 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 144 386 0 384 1 0 1 1 0 8 0
processpl 984 415 0 384 5 0 5 5 0 8 1
procpl 624 423 0 384 4 0 4 4 0 8 1
sockpl 400 247 0 229 3 0 3 3 0 8 1
mcl4k 4096 2 0 0 1 0 1 1 0 8 0
mcl2k 2048 80 0 0 10 0 10 10 0 8 0
mtagpl 80 1 0 0 1 0 1 1 0 8 0
mbufpl 256 177 0 0 11 0 11 11 0 8 0
bufpl 280 3151 0 132 216 0 216 216 0 8 0
anonpl 16 27927 0 25388 13 1 12 12 0 124 1
amapchunkpl 152 1105 0 1004 5 0 5 5 0 158 1
amappl16 192 854 0 769 5 0 5 5 0 8 0
amappl15 184 1 0 0 1 0 1 1 0 8 0
amappl14 176 33 0 27 1 0 1 1 0 8 0
amappl13 168 26 0 25 1 0 1 1 0 8 0
amappl12 160 92 0 87 1 0 1 1 0 8 0
amappl11 152 67 0 51 1 0 1 1 0 8 0
amappl10 144 98 0 93 1 0 1 1 0 8 0
amappl9 136 227 0 226 1 0 1 1 0 8 0
amappl8 128 293 0 284 1 0 1 1 0 8 0
amappl7 120 203 0 191 1 0 1 1 0 8 0
amappl6 112 23 0 21 1 0 1 1 0 8 0
amappl5 104 381 0 365 1 0 1 1 0 8 0
amappl4 96 511 0 484 1 0 1 1 0 8 0
amappl3 88 104 0 99 1 0 1 1 0 8 0
amappl2 80 1265 0 1206 2 0 2 2 0 8 0
amappl1 72 17256 0 16833 23 5 18 18 0 8 7
amappl 80 668 0 636 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 24 400 0 386 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 400 0 386 1 0 1 1 0 8 0
vmmpekpl 168 6779 0 6753 2 0 2 2 0 8 0
vmmpepl 168 40772 0 39769 76 4 72 72 0 357 26
vmsppl 368 399 0 385 2 0 2 2 0 8 0
pdppl 4096 808 0 770 6 0 6 6 0 8 0
pvpl 32 135349 0 130628 104 0 104 104 0 265 63
pmappl 232 399 0 385 2 0 2 2 0 8 1
extentpl 40 46 0 29 1 0 1 1 0 8 0
phpool 112 241 0 3 7 0 7 7 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821e6ec6) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6e3320,0,ffff800020ead968,0,0,ffff800020ead874) at soreceive+0x174a sys/kern/uipc_socket.c:977
soo_read(fffffd80789f3000,ffff800020ead968,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020e6d388,6,ffff800020ead968,0,ffff800020eada50) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff800020e6d388,ffff800020eada00,ffff800020eada50) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff800020eadad0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020eadad0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffcdab0, count: -8
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
x86_ipi_db(ffff800020e00ff0) 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
__mp_lock(ffffffff82662c10) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82662c10) at __mp_lock+0x127 sys/kern/kern_lock.c:147
uvm_unmap_detach(ffff800020e5f010,1) at uvm_unmap_detach+0xe7 sys/uvm/uvm_map.c:1581
uvm_map_teardown(fffffd807efffb80) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757
uvmspace_free(fffffd807efffb80) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646
uvm_exit(ffff800020e80b98) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297
reaper(ffff800020e195f0) at reaper+0x189 sys/kern/kern_exit.c:456
end trace frame: 0x0, count: 6
ddb{1}> trace
x86_ipi_db(ffff800020e00ff0) 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
__mp_lock(ffffffff82662c10) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff82662c10) at __mp_lock+0x127 sys/kern/kern_lock.c:147
uvm_unmap_detach(ffff800020e5f010,1) at uvm_unmap_detach+0xe7 sys/uvm/uvm_map.c:1581
uvm_map_teardown(fffffd807efffb80) at uvm_map_teardown+0x25c sys/uvm/uvm_map.c:2757
uvmspace_free(fffffd807efffb80) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3646
uvm_exit(ffff800020e80b98) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297
reaper(ffff800020e195f0) at reaper+0x189 sys/kern/kern_exit.c:456
end trace frame: 0x0, count: -9
ddb{1}>