uvm_fault(0xffffffff8277aa10, 0xffffffff826780f0, 0, 2) -> e
kernel: page fault trap, code=0
Stopped at m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8)
ddb{0}>
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
kernel page fault
uvm_fault(0xffffffff8277aa10, 0xffffffff826780f0, 0, 2) -> e
m_copyback(ffff800022505f50,258,0,ffff800022506114,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline]
m_copyback(ffff800022505f50,258,0,ffff800022506114,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756
end trace frame: 0xffff8000225061d0, count: 0
ddb{0}> trace
m_copyback(ffff800022505f50,258,0,ffff800022506114,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline]
m_copyback(ffff800022505f50,258,0,ffff800022506114,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756
pflog_mtap(ffff8000000448c0,ffff8000225061f8,fffffd8064542a00) at pflog_mtap+0x446 sys/net/if_pflog.c:389
pflog_packet(ffff8000225062f8,0,ffff800000ac0fe8,0,ffffffff82879b30,0) at pflog_packet+0x3a4
pf_test(18,1,ffff800000b35000,ffff8000225065c8) at pf_test+0xfc5 sys/net/pf.c:7226
ip6_input_if(ffff8000225065c8,ffff8000225065d4,29,0,ffff800000b35000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300
ipv6_input(ffff800000b35000,fffffd8064542a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
tun_dev_write(5d01,ffff8000225068b8,ffff800023109000,2) at tun_dev_write+0x204 sys/net/if_tun.c:868
spec_write(ffff800022506710) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd806ed61758,ffff8000225068b8,11,fffffd807f7bf7e0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268
vn_write(fffffd806d982568,ffff8000225068b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414
dofilewritev(ffff800021fac030,f0,ffff8000225068b8,0,ffff8000225069a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365
sys_write(ffff800021fac030,ffff800022506950,ffff8000225069a0) at sys_write+0x83 sys/kern/sys_generic.c:285
syscall(ffff800022506a20) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022506a20) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdb6d41779c0, count: -14
ddb{0}> show registers
rdi 0
rsi 0x7555f acpi_pdirpa+0x613c7
rbp 0xffff800022505f30
rbx 0xffffffffffff8cd5
rdx 0x7555e acpi_pdirpa+0x613c6
rcx 0xffffffff826b1a40 mbstat_boot_boot_cpumem
rax 0
r8 0x2
r9 0xffffffff81e7a848 pf_translate_a+0x1a8
r10 0x1
r11 0x3cb3a29ccef024d3
r12 0xfffffd8065ba0500
r13 0x228
r14 0x30
r15 0xffff800022506130
rip 0xffffffff81142cf9 m_copyback+0x119
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff800022505e70
ss 0x10
m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8)
ddb{0}> show proc
PROC (syz-executor.1) pid=59947 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=32, usrpri=80, nice=20
forw=0xffffffffffffffff, list=0xffff800021fac2a8,0xffffffff82888178
process=0xffff800021f923f8 user=0xffff800022501000, vmspace=0xfffffd806e8d48a8
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
64063 444737 19395 0 7 0 syz-executor.1
*64063 59947 19395 0 7 0x4000000 syz-executor.1
19395 17959 54026 0 3 0x82 nanosleep syz-executor.1
71947 193547 1 0 3 0x100083 ttyin getty
76554 359794 0 0 3 0x14280 nfsidl nfsio
50033 402622 0 0 3 0x14280 nfsidl nfsio
20701 120780 0 0 3 0x14280 nfsidl nfsio
60282 82139 0 0 3 0x14280 nfsidl nfsio
54303 154547 0 0 3 0x14280 nfsidl nfsio
7326 172764 0 0 3 0x14280 nfsidl nfsio
89165 148971 0 0 3 0x14280 nfsidl nfsio
66006 25625 0 0 3 0x14280 nfsidl nfsio
48489 381228 0 0 3 0x14280 nfsidl nfsio
11618 369739 0 0 3 0x14280 nfsidl nfsio
91750 485501 0 0 3 0x14280 nfsidl nfsio
52578 281699 0 0 3 0x14280 nfsidl nfsio
79617 212637 0 0 3 0x14280 nfsidl nfsio
2822 354079 0 0 3 0x14280 nfsidl nfsio
91200 246087 0 0 3 0x14280 nfsidl nfsio
89676 397441 0 0 3 0x14280 nfsidl nfsio
41227 212064 0 0 3 0x14280 nfsidl nfsio
56425 28867 0 0 3 0x14280 nfsidl nfsio
91242 1764 0 0 3 0x14280 nfsidl nfsio
736 300229 0 0 3 0x14280 nfsidl nfsio
31735 487334 0 0 3 0x14200 acct acct
12104 154877 0 0 3 0x14200 bored sosplice
69715 253357 54026 0 3 0x82 piperd syz-executor.0
54026 501876 77513 0 3 0x82 thrsleep syz-fuzzer
54026 103651 77513 0 3 0x4000082 nanosleep syz-fuzzer
54026 38015 77513 0 3 0x4000082 thrsleep syz-fuzzer
54026 447710 77513 0 2 0x4000002 syz-fuzzer
54026 87898 77513 0 3 0x4000082 kqread syz-fuzzer
54026 69041 77513 0 3 0x4000082 thrsleep syz-fuzzer
54026 435536 77513 0 3 0x4000082 thrsleep syz-fuzzer
54026 134363 77513 0 3 0x4000082 thrsleep syz-fuzzer
77513 31637 68106 0 3 0x10008a pause ksh
68106 24090 49825 0 3 0x92 select sshd
49825 402298 1 0 3 0x80 select sshd
10561 226885 20353 74 3 0x100092 bpf pflogd
20353 352405 1 0 3 0x80 netio pflogd
57047 235204 9407 73 3 0x100090 kqread syslogd
9407 173771 1 0 3 0x100082 netio syslogd
1168 480304 1 77 3 0x100090 poll dhclient
28777 20788 1 0 3 0x80 poll dhclient
96405 129734 0 0 3 0x14200 bored smr
22369 197064 0 0 2 0x14200 zerothread
32493 476990 0 0 3 0x14200 aiodoned aiodoned
11881 129376 0 0 3 0x14200 syncer update
25440 215535 0 0 3 0x14200 cleaner cleaner
62092 175894 0 0 3 0x14200 reaper reaper
76615 61925 0 0 3 0x14200 pgdaemon pagedaemon
63989 36849 0 0 3 0x14200 bored crynlk
75437 19296 0 0 3 0x14200 bored crypto
21325 373351 0 0 3 0x40014200 acpi0 acpi0
34130 186769 0 0 3 0x40014200 idle1
82266 428033 0 0 3 0x14200 bored softnet
84507 93921 0 0 3 0x14200 bored systqmp
2010 322883 0 0 3 0x14200 bored systq
52390 362311 0 0 3 0x40014200 bored softclock
34356 426679 0 0 3 0x40014200 idle0
1 383123 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 64063 (syz-executor.1) thread 0xffff800021fac030 (59947)
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9545 6426K 6940K 78643K 12774 0
pcb 13 8K 8K 78643K 229 0
rtable 121 13K 13K 78643K 1062 0
ifaddr 103 20K 20K 78643K 375 0
sysctl 3 1K 1K 78643K 3 0
counters 43 33K 34K 78643K 125 0
ioctlops 0 0K 4K 78643K 1805 0
iov 0 0K 32K 78643K 193 0
mount 1 1K 1K 78643K 1 0
vnodes 1219 77K 77K 78643K 1987 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 33 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 0K 78643K 434 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1824 197K 290K 78643K 13058 0
file desc 5 13K 25K 78643K 2028 0
sigio 0 0K 0K 78643K 11 0
proc 61 63K 95K 78643K 713 0
subproc 32 2K 2K 78643K 107 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 148 0
in_multi 26 1K 2K 78643K 270 0
ether_multi 1 0K 0K 78643K 33 0
mrt 1 0K 0K 78643K 17 0
ISOFS mount 1 32K 32K 78643K 1 0
MSDOSFS mount 1 16K 16K 78643K 1 0
ttys 55 254K 254K 78643K 55 0
exec 0 0K 2K 78643K 551 0
pfkey data 0 0K 0K 78643K 2 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 214 160K 164K 78643K 6969 0
UVM aobj 51 8K 8K 78643K 56 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 174 0
NDP 16 0K 0K 78643K 86 0
temp 158 3981K 4054K 78643K 38785 0
kqueue 3 4K 12K 78643K 51 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 20 0 14 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 88 76 0 74 1 0 1 1 0 8 0
rtentry 112 187 0 157 2 0 2 2 0 8 0
unpcb 120 867 0 857 1 0 1 1 0 8 0
syncache 272 15 0 15 6 6 0 1 0 8 0
tcpqe 32 64 0 64 1 1 0 1 0 8 0
tcpcb 592 528 0 524 5 4 1 2 0 8 0
inpcb 296 1605 0 1598 14 12 2 2 0 8 1
rttmr 72 4 0 4 4 4 0 1 0 8 0
nd6 48 39 0 35 1 0 1 1 0 8 0
pkpcb 40 16 0 16 5 5 0 1 0 8 0
ppxss 1136 2 0 2 1 1 0 1 0 8 0
pfstscr 40 6 0 6 2 2 0 1 0 8 0
pffrag 232 24 0 24 9 9 0 1 0 482 0
pffrnode 88 24 0 24 9 9 0 1 0 8 0
pffrent 40 405 0 405 10 10 0 1 0 8 0
pfosfp 40 847 0 846 6 5 1 5 0 8 0
pfosfpen 112 1430 0 1428 22 21 1 21 0 8 0
pfrke_plain 160 12 0 6 1 0 1 1 0 8 0
pfrktable 1344 99 0 81 3 1 2 2 0 8 0
pftag 88 2 0 0 1 0 1 1 0 8 0
pfstitem 24 25 0 21 1 0 1 1 0 8 0
pfstkey 112 31 0 27 1 0 1 1 0 8 0
pfstate 328 25 0 22 2 1 1 2 0 8 0
pfsrctr 152 78 0 78 1 1 0 1 0 8 0
pfrule 1360 73 0 51 4 2 2 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 931 0 784 14 2 12 13 0 8 0
art_table 32 932 0 784 2 0 2 2 0 8 0
art_node 16 186 0 161 1 0 1 1 0 8 0
sysvmsgpl 40 77 0 38 1 0 1 1 0 8 0
semupl 112 2 0 2 1 1 0 1 0 8 0
semapl 112 430 0 420 1 0 1 1 0 8 0
shmpl 112 53 0 5 2 0 2 2 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 3935 0 2536 90 2 88 89 0 8 0
ffsino 272 3935 0 2536 94 0 94 94 0 8 0
nchpl 144 8267 0 6673 60 0 60 60 0 8 0
rtmask 32 8 0 6 1 0 1 1 0 8 0
uvmvnodes 72 4536 0 0 83 0 83 83 0 8 0
vnodes 208 4536 0 0 239 0 239 239 0 8 0
namei 1024 21982 0 21982 7 6 1 1 0 8 1
percpumem 16 73 0 41 1 0 1 1 0 8 0
vcpupl 1984 16 0 0 2 0 2 2 0 8 0
vmpool 560 28 0 12 2 0 2 2 0 8 0
pfiaddrpl 120 36 0 26 3 2 1 1 0 8 0
scsiplug 72 3 0 3 2 2 0 1 0 8 0
scxspl 200 21904 0 21904 16 14 2 7 0 8 2
plimitpl 152 152 0 144 1 0 1 1 0 8 0
sigapl 424 2254 0 2201 9 3 6 7 0 8 0
futexpl 56 37981 0 37981 6 5 1 1 0 8 1
knotepl 112 178 0 158 1 0 1 1 0 8 0
kqueuepl 152 198 0 193 1 0 1 1 0 8 0
pipepl 304 322 0 311 12 10 2 3 0 8 1
fdescpl 496 2217 0 2201 3 0 3 3 0 8 0
filepl 152 12688 0 12585 9 4 5 7 0 8 1
lockfpl 104 397 0 396 1 0 1 1 0 8 0
lockfspl 48 128 0 127 1 0 1 1 0 8 0
sessionpl 120 23 0 12 1 0 1 1 0 8 0
pgrppl 48 47 0 36 1 0 1 1 0 8 0
ucredpl 96 1179 0 1170 1 0 1 1 0 8 0
zombiepl 144 2201 0 2201 3 2 1 1 0 8 1
processpl 1008 2254 0 2201 8 1 7 7 0 8 0
procpl 632 6200 0 6139 7 1 6 6 0 8 0
sosppl 144 16 0 16 8 8 0 1 0 8 0
sockpl 400 2568 0 2549 13 10 3 6 0 8 1
mcl64k 65536 13 0 0 2 0 2 2 0 8 0
mcl16k 16384 2 0 0 1 0 1 1 0 8 0
mcl12k 12288 33 0 0 2 0 2 2 0 8 0
mcl9k 9216 7 0 0 1 0 1 1 0 8 0
mcl8k 8192 20 0 0 3 1 2 3 0 8 0
mcl4k 4096 15 0 0 2 0 2 2 0 8 0
mcl2k2 2112 5 0 0 1 0 1 1 0 8 0
mcl2k 2048 199 0 0 21 1 20 21 0 8 0
mtagpl 96 57 0 0 1 0 1 1 0 8 0
mbufpl 256 558 0 0 22 0 22 22 0 8 0
bufpl 280 8064 0 1808 447 0 447 447 0 8 0
anonpl 16 244156 0 225572 150 72 78 92 0 124 0
amapchunkpl 152 12582 0 12241 50 28 22 27 0 158 8
amappl16 192 9536 0 8660 108 62 46 55 0 8 0
amappl15 184 3 0 2 1 0 1 1 0 8 0
amappl14 176 28 0 22 1 0 1 1 0 8 0
amappl13 168 59 0 57 1 0 1 1 0 8 0
amappl12 160 214 0 207 1 0 1 1 0 8 0
amappl11 152 620 0 602 1 0 1 1 0 8 0
amappl10 144 869 0 864 1 0 1 1 0 8 0
amappl9 136 365 0 365 2 2 0 1 0 8 0
amappl8 128 278 0 200 3 0 3 3 0 8 0
amappl7 120 1168 0 1157 1 0 1 1 0 8 0
amappl6 112 699 0 682 1 0 1 1 0 8 0
amappl5 104 2312 0 2297 1 0 1 1 0 8 0
amappl4 96 349 0 321 1 0 1 1 0 8 0
amappl3 88 162 0 155 1 0 1 1 0 8 0
amappl2 80 14970 0 14897 3 1 2 3 0 8 0
amappl1 72 77997 0 77534 22 10 12 19 0 8 0
amappl 80 6543 0 6441 3 0 3 3 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 55 0 5 1 0 1 1 0 8 0
uaddrrnd 24 2245 0 2213 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2245 0 2213 1 0 1 1 0 8 0
vmmpekpl 168 16517 0 16469 3 0 3 3 0 8 0
vmmpepl 168 292156 0 289942 229 130 99 129 0 357 0
vmsppl 368 2244 0 2213 5 2 3 3 0 8 0
pdppl 4096 4497 0 4442 11 4 7 8 0 8 0
pvpl 32 703623 0 682226 314 123 191 214 0 265 15
pmappl 232 2244 0 2213 2 0 2 2 0 8 0
extentpl 40 53 0 36 1 0 1 1 0 8 0
phpool 112 301 0 38 8 0 8 8 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
m_copyback(ffff800022505f50,258,0,ffff800022506114,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline]
m_copyback(ffff800022505f50,258,0,ffff800022506114,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756
pflog_mtap(ffff8000000448c0,ffff8000225061f8,fffffd8064542a00) at pflog_mtap+0x446 sys/net/if_pflog.c:389
pflog_packet(ffff8000225062f8,0,ffff800000ac0fe8,0,ffffffff82879b30,0) at pflog_packet+0x3a4
pf_test(18,1,ffff800000b35000,ffff8000225065c8) at pf_test+0xfc5 sys/net/pf.c:7226
ip6_input_if(ffff8000225065c8,ffff8000225065d4,29,0,ffff800000b35000) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300
ipv6_input(ffff800000b35000,fffffd8064542a00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
tun_dev_write(5d01,ffff8000225068b8,ffff800023109000,2) at tun_dev_write+0x204 sys/net/if_tun.c:868
spec_write(ffff800022506710) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd806ed61758,ffff8000225068b8,11,fffffd807f7bf7e0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:268
vn_write(fffffd806d982568,ffff8000225068b8,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414
dofilewritev(ffff800021fac030,f0,ffff8000225068b8,0,ffff8000225069a0) at dofilewritev+0x1ab sys/kern/sys_generic.c:365
sys_write(ffff800021fac030,ffff800022506950,ffff8000225069a0) at sys_write+0x83 sys/kern/sys_generic.c:285
syscall(ffff800022506a20) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800022506a20) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xdb6d41779c0, count: -14
ddb{0}> machine ddbcpu 1
Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp
ddb{1}> trace
x86_ipi_db(ffff800020d80ff0) 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
__sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x55 sys/dev/kcov.c:118
pvclock_get_timecount(ffffffff826b7168) at pvclock_get_timecount+0xdb sys/dev/pv/pvclock.c:235
nanotime(ffff8000216f0348) at nanotime+0x6e tc_delta sys/kern/kern_tc.c:131 [inline]
nanotime(ffff8000216f0348) at nanotime+0x6e bintime sys/kern/kern_tc.c:266 [inline]
nanotime(ffff8000216f0348) at nanotime+0x6e sys/kern/kern_tc.c:277
clock_gettime(ffff800021fac2a8,0,ffff8000216f0348) at clock_gettime+0x9d sys/kern/kern_time.c:116
sys_clock_gettime(ffff800021fac2a8,ffff8000216f03b0,ffff8000216f0400) at sys_clock_gettime+0x4c sys/kern/kern_time.c:165
syscall(ffff8000216f0480) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff8000216f0480) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7fffffaec0, count: -10