login: uvm_fault(0xfffffd806e94ba18, 0x0, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at pf_addr_compare+0x6b: movl 0(%r15),%r15d
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xfffffd806e94ba18, 0x0, 0, 1) -> e
pf_addr_compare(0,ffff800021256be0,2) at pf_addr_compare+0x6b sys/net/pf.c:326
end trace frame: 0xffff800021256ba0, count: 0
ddb{0}> trace
pf_addr_compare(0,ffff800021256be0,2) at pf_addr_compare+0x6b sys/net/pf.c:326
pflog_packet(ffff800021256bc8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236
pf_test(2,2,ffff80000017b2a8,ffff800021256dc8) at pf_test+0xfd2 sys/net/pf.c:7206
ip_output(fffffd807eada100,0,fffffd806f6d13e8,20,0,fffffd806f6d1378) at ip_output+0xc6b sys/netinet/ip_output.c:422
rip_output(fffffd807eada100,fffffd806fc08888,ffff800021256ed0,f) at rip_output+0x251 sys/netinet/raw_ip.c:289
rip_usrreq(fffffd806fc08888,9,fffffd807eada100,0,0,ffff8000ffff6550) at rip_usrreq+0x4bf sys/netinet/raw_ip.c:538
sosend(fffffd806fc08888,0,ffff800021257170,0,0,0) at sosend+0x601 sys/kern/uipc_socket.c:554
dofilewritev(ffff8000ffff6550,3,ffff800021257170,0,ffff800021257260) at dofilewritev+0x1ab sys/kern/sys_generic.c:365
sys_writev(ffff8000ffff6550,ffff800021257218,ffff800021257260) at sys_writev+0xa7 sys/kern/sys_generic.c:312
syscall(ffff8000212572e0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000212572e0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9590, count: -11
ddb{0}> show registers
rdi 0x2
rsi 0xffffffff8270a410 __sancov_gen_cov_switch_values.133
rbp 0xffff800021256aa0
rbx 0x2
rdx 0x8b
rcx 0x2
rax 0x1
r8 0xffffffff819cefab pf_addr_compare+0x3b
r9 0x1
r10 0xbfeea783ee078cf6
r11 0x5395cd02196f263a
r12 0x2
r13 0xffff800000044a00
r14 0xffff800021256be0
r15 0
rip 0xffffffff819cefdb pf_addr_compare+0x6b
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800021256a50
ss 0x10
pf_addr_compare+0x6b: movl 0(%r15),%r15d
ddb{0}> show proc
PROC (syz-executor0962) pid=95066 stat=onproc
flags process=2<EXEC,8ORPHAN> proc=0
pri=54, usrpri=54, nice=20
forw=0xffffffffffffffff, list=0xffff8000ffff7510,0xffffffff828c8868
process=0xffff800021237b20 user=0xffff800021252000, vmspace=0xfffffd806e94ba18
estcpu=4, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
*71008 95066 6592 0 7 0x2 syz-executor0962
6592 451455 70728 0 3 0x10008a sigsusp ksh
70728 263584 57502 0 7 0x12 sshd
63795 59588 1 0 3 0x100083 ttyin getty
57502 516612 1 0 3 0x80 select sshd
12668 315291 26638 74 3 0x100092 bpf pflogd
26638 129489 1 0 3 0x80 netio pflogd
25675 185112 35318 73 3 0x100090 kqread syslogd
35318 138855 1 0 3 0x100082 netio syslogd
41221 44019 1 77 3 0x100090 poll dhclient
73078 43653 1 0 3 0x80 poll dhclient
87927 502450 0 0 3 0x14200 bored smr
26478 371514 0 0 3 0x14200 pgzero zerothread
46467 443684 0 0 3 0x14200 aiodoned aiodoned
3239 34033 0 0 3 0x14200 syncer update
43826 217996 0 0 3 0x14200 cleaner cleaner
14136 55430 0 0 3 0x14200 reaper reaper
60937 365219 0 0 3 0x14200 pgdaemon pagedaemon
48456 303693 0 0 3 0x14200 bored crynlk
37316 77970 0 0 3 0x14200 bored crypto
83068 263323 0 0 3 0x14200 bored viomb
65536 49758 0 0 3 0x40014200 acpi0 acpi0
7360 116311 0 0 3 0x40014200 idle1
56808 370491 0 0 3 0x14200 bored softnet
42468 107045 0 0 3 0x14200 bored systqmp
3645 331484 0 0 3 0x14200 bored systq
74213 149573 0 0 3 0x40014200 bored softclock
87377 478903 0 0 3 0x40014200 idle0
1 399919 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 71008 (syz-executor0962) thread 0xffff8000ffff6550 (95066)
exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828b9f28)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1 kpageflttrap+0x23f sys/arch/amd64/amd64/trap.c:277
#2 kerntrap+0xef sys/arch/amd64/amd64/trap.c:321
#3 alltraps_kern_meltdown+0x7b
#4 pf_addr_compare+0x6b sys/net/pf.c:326
#5 pflog_packet+0x3e7 sys/net/if_pflog.c:236
#6 pf_test+0xfd2 sys/net/pf.c:7206
#7 ip_output+0xc6b sys/netinet/ip_output.c:422
#8 rip_output+0x251 sys/netinet/raw_ip.c:289
#9 rip_usrreq+0x4bf sys/netinet/raw_ip.c:538
#10 sosend+0x601 sys/kern/uipc_socket.c:554
#11 dofilewritev+0x1ab sys/kern/sys_generic.c:365
#12 sys_writev+0xa7 sys/kern/sys_generic.c:312
#13 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#13 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#14 Xsyscall+0x128
exclusive rwlock netlock r = 0 (0xffffffff826b8e70)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1 solock+0x5a sys/kern/uipc_socket2.c:282
#2 sosend+0x4e5 sys/kern/uipc_socket.c:542
#3 dofilewritev+0x1ab sys/kern/sys_generic.c:365
#4 sys_writev+0xa7 sys/kern/sys_generic.c:312
#5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#6 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9475 6411K 6412K 78643K 10565 0
pcb 13 8K 8K 78643K 15 0
rtable 61 2K 2K 78643K 127 0
ifaddr 29 8K 8K 78643K 30 0
counters 40 33K 33K 78643K 40 0
ioctlops 0 0K 4K 78643K 1467 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 1697 195K 286K 78643K 12598 0
file desc 1 0K 0K 78643K 1 0
proc 59 63K 71K 78643K 367 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
in_multi 11 0K 0K 78643K 11 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 2K 78643K 302 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 36 2K 2K 78643K 594 0
UVM aobj 3 2K 2K 78643K 3 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
NDP 4 0K 0K 78643K 4 0
temp 23 3969K 4033K 78643K 1688 0
kqueue 2 2K 2K 78643K 2 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 2 0 0 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 120 15 0 13 1 0 1 1 0 8 0
rtentry 112 23 0 1 1 0 1 1 0 8 0
unpcb 120 29 0 19 1 0 1 1 0 8 0
syncache 296 5 0 5 2 1 1 1 0 8 1
tcpcb 736 8 0 5 1 0 1 1 0 8 0
inpcb 296 30 0 23 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
pfstitem 24 8 0 0 1 0 1 1 0 8 0
pfstkey 112 8 0 0 1 0 1 1 0 8 0
pfstate 328 8 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 96 0 0 6 0 6 6 0 8 0
art_table 32 97 0 0 1 0 1 1 0 8 0
art_node 16 22 0 2 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 1398 0 16 87 0 87 87 0 8 0
ffsino 272 1398 0 16 93 0 93 93 0 8 0
nchpl 144 1572 0 33 59 1 58 58 0 8 0
uvmvnodes 72 1408 0 0 26 0 26 26 0 8 0
vnodes 224 1408 0 0 83 0 83 83 0 8 0
namei 1024 3780 0 3780 2 1 1 1 0 8 1
percpumem 16 31 0 0 1 0 1 1 0 8 0
scxspl 216 3397 0 3397 2 1 1 2 0 8 1
plimitpl 152 14 0 8 1 0 1 1 0 8 0
sigapl 424 221 0 192 4 0 4 4 0 8 0
knotepl 112 5 0 0 1 0 1 1 0 8 0
kqueuepl 168 1 0 0 1 0 1 1 0 8 0
pipepl 336 64 0 60 2 1 1 1 0 8 0
fdescpl 496 205 0 192 3 0 3 3 0 8 0
filepl 152 958 0 909 2 0 2 2 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 144 18 0 9 1 0 1 1 0 8 0
pgrppl 48 18 0 9 1 0 1 1 0 8 0
ucredpl 96 62 0 53 1 0 1 1 0 8 0
zombiepl 144 192 0 192 2 1 1 1 0 8 1
processpl 1080 221 0 192 3 0 3 3 0 8 0
procpl 672 221 0 192 3 0 3 3 0 8 0
sockpl 432 74 0 55 4 1 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 88 0 0 6 0 6 6 0 8 0
bufpl 280 1992 0 112 135 0 135 135 0 8 0
anonpl 24 19693 0 18465 10 2 8 10 0 186 0
amapchunkpl 152 527 0 490 3 1 2 3 0 158 0
amappl16 200 84 0 79 1 0 1 1 0 8 0
amappl15 192 1 0 0 1 0 1 1 0 8 0
amappl14 184 22 0 19 1 0 1 1 0 8 0
amappl13 176 14 0 13 2 1 1 1 0 8 0
amappl12 168 2 0 2 2 1 1 1 0 8 1
amappl11 160 51 0 36 1 0 1 1 0 8 0
amappl10 152 7 0 5 1 0 1 1 0 8 0
amappl9 144 228 0 227 1 0 1 1 0 8 0
amappl8 136 59 0 58 1 0 1 1 0 8 0
amappl7 128 210 0 209 1 0 1 1 0 8 0
amappl6 120 55 0 48 1 0 1 1 0 8 0
amappl5 112 355 0 338 1 0 1 1 0 8 0
amappl4 104 277 0 256 1 0 1 1 0 8 0
amappl3 96 105 0 98 1 0 1 1 0 8 0
amappl2 88 853 0 801 2 0 2 2 0 8 0
amappl1 80 14229 0 13808 17 7 10 17 0 8 0
amappl 88 403 0 383 1 0 1 1 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 64 2 0 0 1 0 1 1 0 8 0
uaddrrnd 24 205 0 192 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 205 0 192 1 0 1 1 0 8 0
vmmpekpl 168 5579 0 5561 1 0 1 1 0 8 0
vmmpepl 168 29762 0 28941 47 8 39 47 0 357 0
vmsppl 368 204 0 192 2 0 2 2 0 8 0
rwobjpl 56 7608 0 7062 14 5 9 13 0 8 1
pdppl 4096 417 0 384 51 18 33 39 0 8 0
pvpl 32 80689 0 77706 32 4 28 28 0 265 1
pmappl 232 204 0 192 1 0 1 1 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 270 0 23 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
pf_addr_compare(0,ffff800021256be0,2) at pf_addr_compare+0x6b sys/net/pf.c:326
pflog_packet(ffff800021256bc8,3,ffffffff828bff88,0,0,0) at pflog_packet+0x3e7 sys/net/if_pflog.c:236
pf_test(2,2,ffff80000017b2a8,ffff800021256dc8) at pf_test+0xfd2 sys/net/pf.c:7206
ip_output(fffffd807eada100,0,fffffd806f6d13e8,20,0,fffffd806f6d1378) at ip_output+0xc6b sys/netinet/ip_output.c:422
rip_output(fffffd807eada100,fffffd806fc08888,ffff800021256ed0,f) at rip_output+0x251 sys/netinet/raw_ip.c:289
rip_usrreq(fffffd806fc08888,9,fffffd807eada100,0,0,ffff8000ffff6550) at rip_usrreq+0x4bf sys/netinet/raw_ip.c:538
sosend(fffffd806fc08888,0,ffff800021257170,0,0,0) at sosend+0x601 sys/kern/uipc_socket.c:554
dofilewritev(ffff8000ffff6550,3,ffff800021257170,0,ffff800021257260) at dofilewritev+0x1ab sys/kern/sys_generic.c:365
sys_writev(ffff8000ffff6550,ffff800021257218,ffff800021257260) at sys_writev+0xa7 sys/kern/sys_generic.c:312
syscall(ffff8000212572e0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000212572e0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffff9590, count: -11
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352
x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106
Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23
__mp_lock(ffffffff828b9d20) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline]
__mp_lock(ffffffff828b9d20) at __mp_lock+0x122 sys/kern/kern_lock.c:147
syscall(ffff8000211f88e0) at syscall+0x3fd mi_syscall sys/sys/syscall_mi.h:93 [inline]
syscall(ffff8000211f88e0) at syscall+0x3fd sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffde9f0, count: -6
ddb{1}>