uvm_fault(0xffffffff828acf98, 0xffffffff8267b2b8, 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(0xffffffff828acf98, 0xffffffff8267b2b8, 0, 2) -> e
m_copyback(ffff80002129c6e0,138,0,ffff80002129c8a4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline]
m_copyback(ffff80002129c6e0,138,0,ffff80002129c8a4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756
end trace frame: 0xffff80002129c960, count: 0
ddb{0}> trace
m_copyback(ffff80002129c6e0,138,0,ffff80002129c8a4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline]
m_copyback(ffff80002129c6e0,138,0,ffff80002129c8a4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756
pflog_mtap(ffff8000000449c0,ffff80002129c988,fffffd806506df00) at pflog_mtap+0x446 sys/net/if_pflog.c:390
pflog_packet(ffff80002129ca88,0,ffff800000ac9fe8,0,ffffffff828c8308,0) at pflog_packet+0x3a4
pf_test(18,1,ffff800000b1f800,ffff80002129cd58) at pf_test+0xfd2 sys/net/pf.c:7228
ip6_input_if(ffff80002129cd58,ffff80002129cd64,29,0,ffff800000b1f800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300
ipv6_input(ffff800000b1f800,fffffd806506df00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
tun_dev_write(5d00,ffff80002129d048,ffff8000244d4000,2) at tun_dev_write+0x204 sys/net/if_tun.c:867
spec_write(ffff80002129cea0) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd806e881088,ffff80002129d048,11,fffffd807f7b77e0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274
vn_write(fffffd8067eb6868,ffff80002129d048,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414
dofilewritev(ffff80002123c540,f0,ffff80002129d048,0,ffff80002129d130) at dofilewritev+0x1ab sys/kern/sys_generic.c:379
sys_write(ffff80002123c540,ffff80002129d0e0,ffff80002129d130) at sys_write+0x83 sys/kern/sys_generic.c:299
syscall(ffff80002129d1b0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002129d1b0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x50736c8ebe0, count: -14
ddb{0}> show registers
rdi 0
rsi 0xa2b65 acpi_pdirpa+0x8e9cd
rbp 0xffff80002129c6c0
rbx 0xffffffffffff8d2e
rdx 0xa2b64 acpi_pdirpa+0x8e9cc
rcx 0xffffffff826b4940 mbstat_boot_boot_cpumem
rax 0
r8 0x2
r9 0x1
r10 0x47b47a339f5e9526
r11 0xfd07d05b59bc5376
r12 0xfffffd8065074600
r13 0x108
r14 0x30
r15 0xffff80002129c8c0
rip 0xffffffff81139559 m_copyback+0x119
cs 0x8
rflags 0x10246 __ALIGN_SIZE+0xf246
rsp 0xffff80002129c600
ss 0x10
m_copyback+0x119: addq $0x1,0x8(%rcx,%rbx,8)
ddb{0}> show proc
PROC (syz-executor.0) pid=61557 stat=onproc
flags process=0 proc=4000000<THREAD>
pri=86, usrpri=86, nice=20
forw=0xffffffffffffffff, list=0xffff80002123cd20,0xffffffff828e9f48
process=0xffff800021237680 user=0xffff800021298000, vmspace=0xfffffd807effaa10
estcpu=36, cpticks=1, pctcpu=0.0
user=0, sys=1, intr=0
ddb{0}> ps
PID TID PPID UID S FLAGS WAIT COMMAND
25794 281687 59516 0 7 0 syz-executor.0
*25794 61557 59516 0 7 0x4000000 syz-executor.0
59516 495967 76757 0 3 0x82 nanoslp syz-executor.0
46610 309914 0 0 3 0x14200 bored sosplice
64159 102695 1 0 3 0x100083 ttyin getty
36241 110484 76757 0 3 0x2 biowait syz-executor.1
76757 405995 2059 0 3 0x82 thrsleep syz-fuzzer
76757 205592 2059 0 3 0x4000082 nanoslp syz-fuzzer
76757 180503 2059 0 3 0x4000082 thrsleep syz-fuzzer
76757 26568 2059 0 3 0x4000082 thrsleep syz-fuzzer
76757 71748 2059 0 3 0x4000082 thrsleep syz-fuzzer
76757 336590 2059 0 3 0x4000082 kqread syz-fuzzer
76757 397790 2059 0 3 0x4000082 thrsleep syz-fuzzer
76757 486642 2059 0 3 0x4000082 nanoslp syz-fuzzer
2059 175739 68586 0 3 0x10008a sigsusp ksh
68586 96200 23957 0 3 0x92 kqread sshd
23957 435963 1 0 3 0x80 kqread sshd
48219 63461 7378 74 3 0x100092 bpf pflogd
7378 478214 1 0 3 0x80 netio pflogd
65535 106722 50733 73 3 0x100090 kqread syslogd
50733 204032 1 0 3 0x100082 netio syslogd
53407 21578 1 77 3 0x100090 poll dhclient
17295 149699 1 0 3 0x80 poll dhclient
54656 23536 0 0 3 0x14200 bored smr
72692 343142 0 0 2 0x14200 zerothread
89321 106736 0 0 3 0x14200 aiodoned aiodoned
48815 95790 0 0 3 0x14200 syncer update
48085 222734 0 0 3 0x14200 cleaner cleaner
18539 102045 0 0 3 0x14200 reaper reaper
18628 51984 0 0 3 0x14200 pgdaemon pagedaemon
171 432494 0 0 3 0x14200 bored crynlk
69145 957 0 0 3 0x14200 bored crypto
13777 111999 0 0 3 0x14200 bored viomb
9820 81815 0 0 3 0x40014200 acpi0 acpi0
38147 264793 0 0 3 0x40014200 idle1
78623 258988 0 0 3 0x14200 bored softnet
74224 324480 0 0 3 0x14200 bored systqmp
44672 163541 0 0 3 0x14200 bored systq
98093 508259 0 0 3 0x40014200 bored softclock
6187 68140 0 0 3 0x40014200 idle0
1 403265 0 0 3 0x82 wait init
0 0 -1 0 3 0x10200 scheduler swapper
ddb{0}> show all locks
Process 25794 (syz-executor.0) thread 0xffff80002123c540 (61557)
exclusive rwlock netlock r = 0 (0xffffffff827347f0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1 tun_dev_write+0x1f9 sys/net/if_tun.c:866
#2 spec_write+0xd4 sys/kern/spec_vnops.c:309
#3 VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274
#4 vn_write+0x14e sys/kern/vfs_vnops.c:414
#5 dofilewritev+0x1ab sys/kern/sys_generic.c:379
#6 sys_write+0x83 sys/kern/sys_generic.c:299
#7 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#7 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#8 Xsyscall+0x128
exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828ba938)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1 vn_write+0x42 sys/kern/vfs_vnops.c:399
#2 dofilewritev+0x1ab sys/kern/sys_generic.c:379
#3 sys_write+0x83 sys/kern/sys_generic.c:299
#4 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#4 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#5 Xsyscall+0x128
Process 36241 (syz-executor.1) thread 0xffff80002123dce0 (110484)
exclusive rrwlock inode r = 0 (0xfffffd806638e4e0)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1 rw_enter+0x446 sys/kern/kern_rwlock.c:311
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3 ufs_ihashins+0x45 sys/ufs/ufs/ufs_ihash.c:140
#4 ffs_vget+0x135 sys/ufs/ffs/ffs_vfsops.c:1350
#5 ffs_inode_alloc+0x1e1 sys/ufs/ffs/ffs_alloc.c:394
#6 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162
#7 VOP_MKDIR+0xc6 sys/kern/vfs_vops.c:459
#8 domkdirat+0x121 sys/kern/vfs_syscalls.c:3064
#9 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#9 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#10 Xsyscall+0x128
exclusive rrwlock inode r = 0 (0xfffffd807bbc2098)
#0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline]
#0 witness_lock+0x4b0 sys/kern/subr_witness.c:1176
#1 rw_enter+0x446 sys/kern/kern_rwlock.c:311
#2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462
#3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:614
#4 vn_lock+0x6c sys/kern/vfs_vnops.c:575
#5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419
#6 namei+0x5f7 sys/kern/vfs_lookup.c:249
#7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3049
#8 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
#8 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
#9 Xsyscall+0x128
ddb{0}> show malloc
Type InUse MemUse HighUse Limit Requests Type Lim
devbuf 9510 6426K 7331K 78643K 13165 0
pcb 13 8K 8K 78643K 93 0
rtable 110 3K 4K 78643K 418 0
ifaddr 58 12K 13K 78643K 137 0
sysctl 2 0K 0K 78643K 2 0
counters 44 34K 34K 78643K 76 0
ioctlops 0 0K 4K 78643K 1525 0
iov 0 0K 16K 78643K 69 0
mount 1 1K 1K 78643K 1 0
vnodes 1224 77K 77K 78643K 2104 0
UFS quota 1 32K 32K 78643K 1 0
UFS mount 5 36K 36K 78643K 5 0
shm 2 1K 5K 78643K 9 0
VM map 2 1K 1K 78643K 2 0
sem 12 0K 1K 78643K 92 0
dirhash 12 2K 2K 78643K 12 0
ACPI 1697 195K 286K 78643K 12598 0
file desc 5 13K 25K 78643K 2350 0
proc 62 63K 95K 78643K 583 0
subproc 32 2K 2K 78643K 51 0
NFS srvsock 1 0K 0K 78643K 1 0
NFS daemon 1 16K 16K 78643K 1 0
ip_moptions 0 0K 0K 78643K 88 0
in_multi 33 2K 2K 78643K 96 0
ether_multi 1 0K 0K 78643K 31 0
mrt 0 0K 0K 78643K 42 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 445 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 164 63K 63K 78643K 6467 0
UVM aobj 30 2K 2K 78643K 30 0
memdesc 1 4K 4K 78643K 1 0
crypto data 1 1K 1K 78643K 1 0
ip6_options 0 0K 0K 78643K 104 0
NDP 9 0K 0K 78643K 31 0
temp 120 3982K 4046K 78643K 18010 0
kqueue 5 8K 16K 78643K 96 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 8 0 2 1 0 1 1 0 8 0
plcache 128 20 0 0 1 0 1 1 0 8 0
rtpcb 120 78 0 76 1 0 1 1 0 8 0
rtentry 112 68 0 23 2 0 2 2 0 8 0
unpcb 120 438 0 428 2 1 1 2 0 8 0
syncache 296 10 0 10 2 2 0 1 0 8 0
tcpqe 32 83 0 83 2 2 0 1 0 8 0
tcpcb 736 243 0 236 6 3 3 3 0 8 0
inpcb 296 728 0 718 4 2 2 2 0 8 1
rttmr 72 11 0 11 2 2 0 1 0 8 0
nd6 48 10 0 3 1 0 1 1 0 8 0
kcovpl 48 3 0 1 1 0 1 1 0 8 0
ppxss 1128 6 0 6 2 1 1 1 0 8 1
pfstscr 40 2 0 2 1 1 0 1 0 8 0
pffrag 232 1 0 0 1 0 1 1 0 482 0
pffrnode 88 1 0 0 1 0 1 1 0 8 0
pffrent 40 2 0 1 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 42 0 17 1 0 1 1 0 8 0
pfstkey 112 42 0 17 1 0 1 1 0 8 0
pfstate 328 41 0 16 4 1 3 3 0 8 0
pfrule 1360 28 0 21 2 1 1 2 0 8 0
art_heap8 4096 1 0 0 1 0 1 1 0 8 0
art_heap4 256 238 0 44 13 0 13 13 0 8 0
art_table 32 239 0 44 2 0 2 2 0 8 0
art_node 16 67 0 26 1 0 1 1 0 8 0
sysvmsgpl 40 28 0 2 1 0 1 1 0 8 0
semapl 112 89 0 79 1 0 1 1 0 8 0
shmpl 112 27 0 0 1 0 1 1 0 8 0
dirhash 1024 17 0 0 3 0 3 3 0 8 0
dino2pl 256 4132 0 2735 90 2 88 89 0 8 0
ffsino 272 4132 0 2735 95 0 95 95 0 8 0
nchpl 144 6897 0 5305 60 0 60 60 0 8 0
uvmvnodes 72 4913 0 0 90 0 90 90 0 8 0
vnodes 224 4913 0 0 289 0 289 289 0 8 0
namei 1024 17295 0 17294 1 0 1 1 0 8 0
percpumem 16 49 0 16 1 0 1 1 0 8 0
vcpupl 1984 4 0 0 1 0 1 1 0 8 0
vmpool 560 4 0 0 1 0 1 1 0 8 0
scsiplug 72 11 0 11 1 1 0 1 0 8 0
scxspl 216 20625 0 20624 12 11 1 8 0 8 0
plimitpl 152 132 0 124 1 0 1 1 0 8 0
sigapl 424 2567 0 2534 4 0 4 4 0 8 0
futexpl 56 14099 0 14099 1 0 1 1 0 8 1
knotepl 112 26187 0 26161 2 1 1 2 0 8 0
kqueuepl 168 1200 0 1196 1 0 1 1 0 8 0
pipepl 336 149 0 138 5 3 2 2 0 8 1
fdescpl 496 2548 0 2532 3 0 3 3 0 8 0
filepl 152 8181 0 8079 6 1 5 6 0 8 1
lockfpl 104 180 0 179 1 0 1 1 0 8 0
lockfspl 48 73 0 72 1 0 1 1 0 8 0
sessionpl 144 20 0 9 1 0 1 1 0 8 0
pgrppl 48 22 0 11 1 0 1 1 0 8 0
ucredpl 96 903 0 894 1 0 1 1 0 8 0
zombiepl 144 2534 0 2534 1 0 1 1 0 8 1
processpl 1072 2567 0 2534 3 0 3 3 0 8 0
procpl 672 5610 0 5569 4 0 4 4 0 8 0
sosppl 168 29 0 26 2 1 1 1 0 8 0
sockpl 432 1246 0 1224 9 5 4 6 0 8 1
mcl64k 65536 11 0 0 2 0 2 2 0 8 0
mcl12k 12288 3 0 0 1 0 1 1 0 8 0
mcl9k 9216 4 0 0 1 0 1 1 0 8 0
mcl8k 8192 11 0 0 2 0 2 2 0 8 0
mcl4k 4096 7 0 0 1 0 1 1 0 8 0
mcl2k2 2112 1 0 0 1 0 1 1 0 8 0
mcl2k 2048 180 0 0 19 0 19 19 0 8 0
mtagpl 96 166 0 0 5 0 5 5 0 8 0
mbufpl 256 958 0 0 58 0 58 58 0 8 0
bufpl 280 6340 0 183 440 0 440 440 0 8 0
anonpl 16 262150 0 247402 104 41 63 91 0 124 0
amapchunkpl 152 11302 0 10936 32 17 15 28 0 158 0
amappl16 192 11644 0 11073 79 50 29 53 0 8 0
amappl15 184 4 0 2 1 0 1 1 0 8 0
amappl14 176 23 0 19 1 0 1 1 0 8 0
amappl13 168 34 0 32 1 0 1 1 0 8 0
amappl12 160 12 0 7 1 0 1 1 0 8 0
amappl11 152 329 0 310 1 0 1 1 0 8 0
amappl10 144 2066 0 2060 1 0 1 1 0 8 0
amappl9 136 285 0 285 1 1 0 1 0 8 0
amappl8 128 183 0 129 2 0 2 2 0 8 0
amappl7 120 259 0 251 1 0 1 1 0 8 0
amappl6 112 2123 0 2108 1 0 1 1 0 8 0
amappl5 104 2707 0 2687 1 0 1 1 0 8 0
amappl4 96 559 0 530 1 0 1 1 0 8 0
amappl3 88 170 0 162 1 0 1 1 0 8 0
amappl2 80 19518 0 19449 2 0 2 2 0 8 0
amappl1 72 79894 0 79424 24 14 10 19 0 8 0
amappl 80 5941 0 5853 2 0 2 2 0 84 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 29 0 0 1 0 1 1 0 8 0
uaddrrnd 24 2552 0 2532 1 0 1 1 0 8 0
uaddrbest 32 2 0 0 1 0 1 1 0 8 0
uaddr 24 2552 0 2532 1 0 1 1 0 8 0
vmmpekpl 168 16730 0 16701 2 0 2 2 0 8 0
vmmpepl 168 328403 0 326571 137 43 94 105 0 357 7
vmsppl 368 2551 0 2532 2 0 2 2 0 8 0
pdppl 4096 5111 0 5068 62 17 45 46 0 8 2
pvpl 32 1021068 0 1003579 223 55 168 211 0 265 19
pmappl 232 2551 0 2532 3 1 2 2 0 8 0
extentpl 40 58 0 40 1 0 1 1 0 8 0
phpool 112 365 0 28 10 0 10 10 0 8 0
ddb{0}> machine ddbcpu 0
Invalid cpu 0
ddb{0}> trace
m_copyback(ffff80002129c6e0,138,0,ffff80002129c8a4,2) at m_copyback+0x119 m_get sys/sys/percpu.h:125 [inline]
m_copyback(ffff80002129c6e0,138,0,ffff80002129c8a4,2) at m_copyback+0x119 sys/kern/uipc_mbuf.c:756
pflog_mtap(ffff8000000449c0,ffff80002129c988,fffffd806506df00) at pflog_mtap+0x446 sys/net/if_pflog.c:390
pflog_packet(ffff80002129ca88,0,ffff800000ac9fe8,0,ffffffff828c8308,0) at pflog_packet+0x3a4
pf_test(18,1,ffff800000b1f800,ffff80002129cd58) at pf_test+0xfd2 sys/net/pf.c:7228
ip6_input_if(ffff80002129cd58,ffff80002129cd64,29,0,ffff800000b1f800) at ip6_input_if+0x945 sys/netinet6/ip6_input.c:300
ipv6_input(ffff800000b1f800,fffffd806506df00) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171
tun_dev_write(5d00,ffff80002129d048,ffff8000244d4000,2) at tun_dev_write+0x204 sys/net/if_tun.c:867
spec_write(ffff80002129cea0) at spec_write+0xd4 sys/kern/spec_vnops.c:309
VOP_WRITE(fffffd806e881088,ffff80002129d048,11,fffffd807f7b77e0) at VOP_WRITE+0xc6 sys/kern/vfs_vops.c:274
vn_write(fffffd8067eb6868,ffff80002129d048,0) at vn_write+0x14e sys/kern/vfs_vnops.c:414
dofilewritev(ffff80002123c540,f0,ffff80002129d048,0,ffff80002129d130) at dofilewritev+0x1ab sys/kern/sys_generic.c:379
sys_write(ffff80002123c540,ffff80002129d0e0,ffff80002129d130) at sys_write+0x83 sys/kern/sys_generic.c:299
syscall(ffff80002129d1b0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff80002129d1b0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x50736c8ebe0, count: -14
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
end of kernel
end trace frame: 0x7f7ffffeab30, count: -3