uvm_fault(0xffffffff83a0fac8, 0xffff800000002008, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at ip6_freemoptions+0x65: movq 0x8(%r15),%r13
TID PID UID PRFLAGS PFLAGS CPU COMMAND
ip6_freemoptions(ffff80000002e450) at ip6_freemoptions+0x65 sys/netinet6/ip6_output.c:2147
in_pcbdetach(fffffa006d9ca900) at in_pcbdetach+0x122 sys/netinet/in_pcb.c:608
udp_detach(ffff8000016399f8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000016399f8,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000016399f8,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffa006d6a7448,ffff80003c8fb248) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffa006d6a7448,ffff80003c8fb248) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffa006d6a7448,ffff80003c8fb248) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80003c8fb248) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80003c8fb248,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80003c8fb248,ffff8000380e1ae0,ffff8000380e1a30) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff8000380e1ae0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000380e1ae0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x735e280a18c0, count: 3
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>
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: uvm_fault(0xffffffff83a0fac8, 0xffff800000002008, 0, 1) -> e
ddb> show kasan
No such command
ddb> trace
ip6_freemoptions(ffff80000002e450) at ip6_freemoptions+0x65 sys/netinet6/ip6_output.c:2147
in_pcbdetach(fffffa006d9ca900) at in_pcbdetach+0x122 sys/netinet/in_pcb.c:608
udp_detach(ffff8000016399f8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000016399f8,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000016399f8,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffa006d6a7448,ffff80003c8fb248) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffa006d6a7448,ffff80003c8fb248) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffa006d6a7448,ffff80003c8fb248) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80003c8fb248) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80003c8fb248,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80003c8fb248,ffff8000380e1ae0,ffff8000380e1a30) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff8000380e1ae0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000380e1ae0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x735e280a18c0, count: -12
ddb> show registers
rdi 0xffff80000002e450
rsi 0x100
rbp 0xffff8000380e1750
rbx 0x5
rdx 0
rcx 0x1
rax 0xffff80003c8fb248
r8 0
r9 0
r10 0x698a784befa9888
r11 0xfc7950a40498fbe
r12 0
r13 0x100
r14 0xffff80000002e450
r15 0xffff800000002000
rip 0xffffffff81d00425 ip6_freemoptions+0x65
cs 0x8
rflags 0x10286 __ALIGN_SIZE+0xf286
rsp 0xffff8000380e1710
ss 0x10
ip6_freemoptions+0x65: movq 0x8(%r15),%r13
ddb> show proc
PROC (syz-executor) tid=37042 pid=39867 tcnt=0 stat=onproc
flags process=1008<EXITING,SINGLEEXIT> proc=2000<WEXIT>
runpri=32, usrpri=57, slppri=32, nice=20
wchan=0x0, wmesg=, ps_single=0xffff80003c8fb248 scnt=-1 ecnt=1
forw=0xffffffffffffffff, list=0xffff80002a77c2b0,0xffffffff83aa5308
process=0xffff800045ff8d98 user=0xffff8000380dc000, vmspace=0xfffffa006d0c25d8
estcpu=7, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0
ddb> ps
PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND
83124 255841 40590 0 3 0 0x80 fsleep syz-executor
83124 483015 40590 0 3 0 0x4000080 ttyin syz-executor
55638 15389 35210 60929 3 0x10 0x80 fsleep syz-executor
55638 320847 35210 60929 3 0x10 0x4000080 lockf syz-executor
19994 8903 63200 0 3 0 0x80 fsleep syz-executor
19994 355377 63200 0 3 0 0x4000080 lockf syz-executor
45245 177269 71433 0 3 0 0x80 fsleep syz-executor
45245 492251 71433 0 3 0 0x4000080 sbwait syz-executor
45245 181348 71433 0 3 0 0x4000080 fsleep syz-executor
763 413843 13767 0 3 0 0x80 fsleep syz-executor
763 81950 13767 0 3 0 0x4000080 kqread syz-executor
36115 380065 17878 0 3 0 0x80 fsleep syz-executor
36115 56253 17878 0 2 0 0x4000000 syz-executor
99905 191596 90797 0 3 0x2 0x80 nanoslp syz-executor
5664 487899 90797 0 2 0x2 0 syz-executor
17878 292104 90797 0 3 0x2 0x80 nanoslp syz-executor
13767 462567 90797 0 3 0x2 0x80 nanoslp syz-executor
71433 210468 90797 0 3 0x2 0x80 nanoslp syz-executor
35210 384987 90797 0 3 0x2 0x80 nanoslp syz-executor
63200 166784 90797 0 3 0x2 0x80 nanoslp syz-executor
40590 450779 90797 0 3 0x2 0x80 nanoslp syz-executor
90797 523579 26265 0 3 0x2 0x80 kqread syz-executor
26265 113625 63229 0 3 0x100002 0x88 sigsusp ksh
63229 260190 23968 0 3 0x10 0x88 kqread sshd-session
23968 441509 71996 0 3 0x12 0x80 kqread sshd-session
29887 385984 1 0 3 0x100003 0x80 ttyin getty
71996 221143 1 0 3 0 0x88 kqread sshd
12386 209411 80861 73 3 0x1100010 0x80 kqread syslogd
80861 301756 1 0 3 0x100002 0x80 sbwait syslogd
38090 424344 1 0 3 0x100000 0x80 kqread resolvd
65873 321981 68299 77 3 0x100012 0x80 kqread dhcpleased
13571 289896 68299 77 3 0x100012 0x80 kqread dhcpleased
68299 511817 1 0 3 0 0x80 kqread dhcpleased
80435 107798 0 0 3 0x14000 0x200 bored smr
95761 402879 0 0 2 0x14000 0x200 zerothread
56772 429254 0 0 3 0x14000 0x200 aiodoned aiodoned
86553 64497 0 0 3 0x14000 0x200 syncer update
41261 137343 0 0 3 0x14000 0x200 cleaner cleaner
389 396647 0 0 3 0x14000 0x200 reaper reaper
62167 457820 0 0 3 0x14000 0x200 pgdaemon pagedaemon
48729 355238 0 0 3 0x14000 0x200 bored viomb
22681 228077 0 0 3 0x14000 0x40000200 acpi0 acpi0
54892 291310 0 0 3 0x14000 0x200 bored softnet0
27902 511380 0 0 3 0x14000 0x200 bored systqmp
95649 331402 0 0 3 0x14000 0x200 bored systq
98520 236248 0 0 3 0x14000 0x40000200 tmoslp softclock
26701 430473 0 0 3 0x14000 0x40000200 idle0
1 353118 0 0 3 0x2 0x80 wait init
0 0 -1 0 3 0x10000 0x200 scheduler swapper
ddb> show all locks
No such command
ddb> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 11043 12169K 12394K 166960K 12394 0
pcb 20 12K 12K 166960K 38 0
rtable 253 8K 8K 166960K 387 0
pf 33 13K 19K 166960K 53 0
ifaddr 44 7K 7K 166960K 46 0
ifgroup 55 2K 2K 166960K 55 0
sysctl 2 1K 9K 166960K 6 0
counters 35 18K 18K 166960K 36 0
ioctlops 0 0K 4K 166960K 49 0
iov 0 0K 12K 166960K 4 0
mount 1 1K 1K 166960K 1 0
log 0 0K 0K 166960K 4 0
vnodes 1294 81K 82K 166960K 1510 0
UFS quota 1 32K 32K 166960K 1 0
UFS mount 5 36K 36K 166960K 5 0
shm 2 1K 5K 166960K 3 0
VM map 2 1K 1K 166960K 2 0
sem 9 0K 0K 166960K 11 0
dirhash 12 2K 2K 166960K 18 0
ACPI 1692 195K 286K 166960K 12470 0
file desc 17 61K 97K 166960K 237 0
proc 59 59K 100K 166960K 515 0
subproc 72 4K 4K 166960K 72 0
NFS srvsock 1 0K 0K 166960K 1 0
NFS daemon 1 16K 16K 166960K 1 0
ip_moptions 1 0K 0K 166960K 8 0
in_multi 102 6K 6K 166960K 104 0
ether_multi 1 0K 0K 166960K 1 0
mrt 0 0K 0K 166960K 11 0
ISOFS mount 1 32K 32K 166960K 1 0
MSDOSFS mount 1 16K 16K 166960K 1 0
ttys 73 334K 334K 166960K 73 0
exec 0 0K 1K 166960K 373 0
fusefs mount 1 32K 32K 166960K 1 0
pfkey data 0 0K 0K 166960K 1 0
tdb 3 0K 0K 166960K 3 0
VM swap 8 62K 64K 166960K 10 0
UVM amap 224 159K 173K 166960K 3846 0
UVM aobj 4 2K 3K 166960K 5 0
pinsyscall 38 76K 96K 166960K 1347 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 12 0K 2K 166960K 28 0
temp 35 9110K 9126K 166960K 4882 0
kqueue 15 24K 28K 166960K 45 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 43 0 39 1 0 1 1 0 8 0
rtentry 136 116 0 2 4 0 4 4 0 8 0
unpcb 144 78 0 63 2 0 2 2 0 8 1
syncache 336 8 0 8 1 0 1 1 0 8 1
tcpqe 32 1 0 1 1 0 1 1 0 8 1
tcpcb 736 41 0 37 1 0 1 1 0 8 0
arp 96 21 0 0 1 0 1 1 0 8 0
ipq 40 2 0 0 1 0 1 1 0 8 0
ipqe 40 66 0 64 1 0 1 1 0 8 0
inpcb 328 124 0 113 2 0 2 2 0 8 0
nd6 112 24 0 0 1 0 1 1 0 8 0
pkpcb 40 2 0 2 1 0 1 1 0 8 1
kcovpl 48 8 0 0 1 0 1 1 0 8 0
ppxss 1072 2 0 1 1 0 1 1 0 8 0
pppxif 1416 2 0 1 1 0 1 1 0 8 0
pfrule 1360 2 0 2 1 0 1 1 0 8 1
art_heap8 4096 2 0 0 2 0 2 2 0 8 0
art_heap4 256 464 0 0 29 0 29 29 0 8 0
art_table 40 466 0 0 5 0 5 5 0 8 0
art_node 32 115 0 12 1 0 1 1 0 8 0
semupl 112 1 0 1 1 0 1 1 0 8 1
semapl 72 9 0 2 1 0 1 1 0 8 0
shmpl 112 2 0 1 1 0 1 1 0 8 0
dirhash 1024 21 0 4 3 0 3 3 0 8 0
dino2pl 256 1821 0 364 92 0 92 92 0 8 0
ffsino 256 1821 0 364 92 0 92 92 0 8 0
nchpl 144 2150 0 457 63 0 63 63 0 8 0
vnodes 216 1955 0 0 109 0 109 109 0 8 0
namei 1024 6568 0 6567 2 0 2 2 0 8 1
kstatmem 264 25 0 0 2 0 2 2 0 8 0
scxspl 216 7124 0 7124 4 0 4 4 1 8 4
plimitpl 152 109 0 91 1 0 1 1 0 8 0
sigapl 424 535 0 493 6 0 6 6 0 8 1
knotepl 120 13678 0 13596 9 0 9 9 0 8 6
kqueuepl 184 51 0 36 1 0 1 1 0 8 0
pipepl 304 132 0 105 3 0 3 3 0 8 0
fdescpl 448 522 0 493 5 0 5 5 0 8 1
filepl 120 2207 0 1979 9 0 9 9 0 8 2
lockfpl 104 58 0 51 1 0 1 1 0 8 0
lockfspl 48 26 0 21 1 0 1 1 0 8 0
sessionpl 144 29 0 21 1 0 1 1 0 8 0
pgrppl 48 38 0 22 1 0 1 1 0 8 0
ucredpl 104 394 0 382 1 0 1 1 0 8 0
zombiepl 144 494 0 493 1 0 1 1 0 8 0
processpl 1152 535 0 493 4 0 4 4 0 8 0
procpl 664 701 0 652 5 0 5 5 0 8 0
sockpl 552 252 0 220 4 0 4 4 0 8 1
mcl64k 65536 4 0 3 1 0 1 1 0 8 0
mcl16k 16384 2 0 2 1 0 1 1 0 8 1
mcl8k 8192 7 0 7 1 0 1 1 0 8 1
mcl4k 4096 2642 0 2592 14 0 14 14 0 8 7
mcl2k 2048 209 0 209 2 0 2 2 0 8 2
mextrefs 64 81 0 81 1 0 1 1 0 8 1
mtagpl 96 5 0 5 1 0 1 1 0 8 1
mbufpl 256 5487 0 5309 13 0 13 13 0 8 1
bufpl 272 2494 0 102 160 0 160 160 0 8 0
anonpl 24 93922 0 90778 44 0 44 44 0 187 21
amapchunkpl 152 11200 0 10710 27 0 27 27 0 158 6
amappl16 200 1526 0 1500 14 1 13 14 0 8 11
amappl15 192 7 0 7 1 0 1 1 0 8 1
amappl14 184 413 0 412 1 0 1 1 0 8 0
amappl13 176 117 0 107 1 0 1 1 0 8 0
amappl12 168 759 0 731 2 0 2 2 0 8 0
amappl11 160 4 0 4 1 0 1 1 0 8 1
amappl10 152 106 0 96 1 0 1 1 0 8 0
amappl9 144 276 0 276 1 0 1 1 0 8 1
amappl8 136 106 0 105 1 0 1 1 0 8 0
amappl7 128 143 0 132 1 0 1 1 0 8 0
amappl6 120 153 0 151 1 0 1 1 0 8 0
amappl5 112 110 0 102 1 0 1 1 0 8 0
amappl4 104 275 0 259 1 0 1 1 0 8 0
amappl3 96 1942 0 1845 3 0 3 3 0 8 0
amappl2 88 643 0 574 2 0 2 2 0 8 0
amappl1 80 10532 0 9986 13 0 13 13 0 8 1
amappl 88 3135 0 2974 4 0 4 4 0 92 0
uvmvnodes 80 97 0 0 2 0 2 2 0 8 0
dma4096 4096 1 0 1 1 0 1 1 0 8 1
dma1024 1024 1 0 0 1 0 1 1 0 8 0
dma256 256 6 0 6 1 0 1 1 0 8 1
dma128 128 253 0 253 1 0 1 1 0 8 1
dma64 64 6 0 6 1 0 1 1 0 8 1
dma32 32 7 0 7 1 0 1 1 0 8 1
dma16 16 18 0 17 1 0 1 1 0 8 0
aobjpl 72 4 0 1 1 0 1 1 0 8 0
uaddrrnd 24 522 0 493 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 522 0 493 1 0 1 1 0 8 0
vmmpekpl 168 6056 0 6024 2 0 2 2 0 8 0
vmmpepl 168 42221 0 40451 88 0 88 88 0 357 8
vmsppl 368 521 0 493 4 0 4 4 0 8 1
rwobjpl 40 14922 0 13979 12 0 12 12 0 8 2
pdppl 4096 1050 0 986 96 30 66 82 0 8 2
pvpl 32 240038 0 231417 117 0 117 117 0 265 36
pmappl 216 521 0 493 3 0 3 3 0 8 0
extentpl 40 45 0 27 1 0 1 1 0 8 0
phpool 112 523 0 30 15 0 15 15 0 8 0
ddb> machine ddbcpu 0
No such command
ddb> trace
ip6_freemoptions(ffff80000002e450) at ip6_freemoptions+0x65 sys/netinet6/ip6_output.c:2147
in_pcbdetach(fffffa006d9ca900) at in_pcbdetach+0x122 sys/netinet/in_pcb.c:608
udp_detach(ffff8000016399f8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000016399f8,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000016399f8,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffa006d6a7448,ffff80003c8fb248) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffa006d6a7448,ffff80003c8fb248) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffa006d6a7448,ffff80003c8fb248) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80003c8fb248) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80003c8fb248,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80003c8fb248,ffff8000380e1ae0,ffff8000380e1a30) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff8000380e1ae0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000380e1ae0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x735e280a18c0, count: -12
ddb> machine ddbcpu 1
No such command
ddb> trace
ip6_freemoptions(ffff80000002e450) at ip6_freemoptions+0x65 sys/netinet6/ip6_output.c:2147
in_pcbdetach(fffffa006d9ca900) at in_pcbdetach+0x122 sys/netinet/in_pcb.c:608
udp_detach(ffff8000016399f8) at udp_detach+0x5a sys/netinet/udp_usrreq.c:1158
soclose(ffff8000016399f8,0) at soclose+0xad pru_detach sys/sys/protosw.h:281 [inline]
soclose(ffff8000016399f8,0) at soclose+0xad sys/kern/uipc_socket.c:403
soo_close(fffffa006d6a7448,ffff80003c8fb248) at soo_close+0x56 sys/kern/sys_socket.c:-1
fdrop(fffffa006d6a7448,ffff80003c8fb248) at fdrop+0x121 sys/kern/kern_descrip.c:1281
closef(fffffa006d6a7448,ffff80003c8fb248) at closef+0x190 sys/kern/kern_descrip.c:1265
fdfree(ffff80003c8fb248) at fdfree+0x115 sys/kern/kern_descrip.c:1196
exit1(ffff80003c8fb248,0,0,1) at exit1+0x595 sys/kern/kern_exit.c:215
sys_exit(ffff80003c8fb248,ffff8000380e1ae0,ffff8000380e1a30) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff8000380e1ae0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff8000380e1ae0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x735e280a18c0, count: -12