witness: lock order reversal: 1st 0xffffffff829bb660 pf_lock (pf_lock) 2nd 0xffffffff829701b0 netlock (netlock) lock order "netlock"(rwlock) -> "pf_lock"(rwlock) first seen at: #0 rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 #1 pfioctl+0x417c sys/net/pf_ioctl.c:2964 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 lock order "pf_lock"(rwlock) -> "netlock"(rwlock) first seen at: #0 rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 #1 uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 #2 uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 #3 uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 #4 uvm_fault+0x248 #5 kpageflttrap+0x209 #6 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #7 alltraps_kern_meltdown+0x7b #8 copyout+0x53 #9 pfioctl+0x4516 sys/net/pf_ioctl.c:2932 #10 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #11 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #12 sys_ioctl+0x4a2 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 Stopped at db_enter+0x18: addq $0x8,%rsp ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffffffff829701b0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff829701b0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff829701a0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd806756c6a8,ffff8000268d2a98,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd806756c6a8,0,ffff8000268d2b58,ffff8000268d2b28,0,0,d894125b22361da7,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff8000268d2cc0,ffff8000268d2cf8,ffff8000268d2c40,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd805bdd08c0,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff8000268d2e50,20001000) at kpageflttrap+0x209 kerntrap(ffff8000268d2e50) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 pfioctl(4900,c0284457,ffff8000268d32c0,1,ffff80002467ea90) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f68d568,c0284457,ffff8000268d32c0,1,fffffd807f7d7600,ffff80002467ea90) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8067643560,c0284457,ffff8000268d32c0,ffff80002467ea90) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002467ea90,ffff8000268d33d8,ffff8000268d3430) at sys_ioctl+0x4a2 syscall(ffff8000268d34a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000268d34a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6423c974f0, count: -17 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff8000268d2860 rbx 0x3 rdx 0xffff800000be9780 rcx 0 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffff8000268d27d0 r9 0x8080808080808080 r10 0xff900c69b50233bf r11 0xd64e5c2668c77139 r12 0xffffffff82b11930 w_lodata+0x52800 r13 0 r14 0xffffffff82afce80 w_lodata+0x3dd50 r15 0xfffffd8002f76840 rip 0xffffffff81ad9118 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000268d2850 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) pid=78664 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff80002467fa50,0xffff800024684d38 process=0xffff8000fffeadd8 user=0xffff8000268ce000, vmspace=0xfffffd805bdd08c0 estcpu=33, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 8354 183375 73229 0 2 0 syz-executor.6 41006 425361 49557 0 2 0 syz-executor.5 41006 22011 49557 0 2 0x4000000 syz-executor.5 93605 353532 88009 0 2 0 syz-executor.2 *93605 78664 88009 0 7 0x4000000 syz-executor.2 72470 81653 48679 0 2 0 syz-executor.4 72470 327109 48679 0 3 0x4000080 fsleep syz-executor.4 88009 260493 31006 0 3 0x82 nanoslp syz-executor.2 1598 91276 31006 0 2 0x2 syz-executor.0 47043 174638 31006 0 2 0x2 syz-executor.7 73229 233426 31006 0 3 0x82 nanoslp syz-executor.6 13301 329467 1 0 3 0x100083 ttyin getty 91101 200840 31006 0 2 0x2 syz-executor.3 95623 368199 0 0 3 0x14280 nfsidl nfsio 51156 35296 0 0 3 0x14280 nfsidl nfsio 33001 114062 0 0 3 0x14280 nfsidl nfsio 8099 237141 0 0 3 0x14280 nfsidl nfsio 80143 450274 0 0 3 0x14280 nfsidl nfsio 86099 23217 0 0 3 0x14280 nfsidl nfsio 76218 40379 0 0 3 0x14280 nfsidl nfsio 23836 320154 0 0 3 0x14280 nfsidl nfsio 36713 500811 0 0 3 0x14280 nfsidl nfsio 74130 265534 0 0 3 0x14280 nfsidl nfsio 6661 463218 0 0 3 0x14280 nfsidl nfsio 62805 85880 0 0 3 0x14280 nfsidl nfsio 70612 97006 0 0 3 0x14280 nfsidl nfsio 94169 107534 0 0 3 0x14280 nfsidl nfsio 54873 476948 0 0 3 0x14280 nfsidl nfsio 64919 473391 0 0 3 0x14280 nfsidl nfsio 25824 396771 0 0 3 0x14280 nfsidl nfsio 19902 505324 0 0 3 0x14280 nfsidl nfsio 34632 386063 0 0 3 0x14280 nfsidl nfsio 45484 243135 0 0 3 0x14280 nfsidl nfsio 49557 86212 31006 0 3 0x82 nanoslp syz-executor.5 85446 436062 31006 0 3 0x82 nanoslp syz-executor.1 81561 457432 0 0 3 0x14200 acct acct 48679 339059 31006 0 3 0x82 nanoslp syz-executor.4 96883 226425 0 0 3 0x14200 bored sosplice 31006 92202 94324 0 3 0x82 thrsleep syz-fuzzer 31006 266475 94324 0 3 0x4000082 thrsleep syz-fuzzer 31006 436466 94324 0 3 0x4000082 thrsleep syz-fuzzer 31006 392507 94324 0 3 0x4000082 thrsleep syz-fuzzer 31006 216913 94324 0 3 0x4000082 thrsleep syz-fuzzer 31006 148776 94324 0 3 0x4000082 kqread syz-fuzzer 31006 172834 94324 0 3 0x4000082 thrsleep syz-fuzzer 31006 481023 94324 0 3 0x4000082 thrsleep syz-fuzzer 31006 168801 94324 0 3 0x4000082 thrsleep syz-fuzzer 94324 378571 71697 0 3 0x10008a sigsusp ksh 71697 155217 20989 0 3 0x9a kqread sshd 20989 253457 1 0 3 0x88 kqread sshd 74831 318944 38010 74 3 0x1100092 bpf pflogd 38010 369165 1 0 3 0x80 netio pflogd 68271 407875 8664 73 3 0x1100090 kqread syslogd 8664 387510 1 0 3 0x100082 netio syslogd 80446 17986 1 0 3 0x100080 kqread resolvd 6749 119949 87859 77 3 0x100092 kqread dhcpleased 75446 100594 87859 77 3 0x100092 kqread dhcpleased 87859 487268 1 0 3 0x80 kqread dhcpleased 78869 101991 0 0 3 0x14200 bored smr 42600 184916 0 0 2 0x14200 zerothread 65486 82581 0 0 3 0x14200 aiodoned aiodoned 24160 360461 0 0 3 0x14200 syncer update 60224 374614 0 0 3 0x14200 cleaner cleaner 10304 150861 0 0 3 0x14200 reaper reaper 79870 355194 0 0 3 0x14200 pgdaemon pagedaemon 92001 401931 0 0 3 0x14200 bored viomb 13266 362520 0 0 3 0x40014200 acpi0 acpi0 12203 13816 0 0 7 0x40014200 idle1 21355 495931 0 0 3 0x14200 bored softnet 92382 410753 0 0 3 0x14200 bored systqmp 10863 205450 0 0 3 0x14200 bored systq 31493 167214 0 0 3 0x40014200 bored softclock 5966 517511 0 0 3 0x40014200 idle0 1 408330 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 93605 (syz-executor.2) thread 0xffff80002467ea90 (78664) exclusive rwlock pf_lock r = 0 (0xffffffff829bb660) #0 witness_lock+0x44d #1 pfioctl+0x4504 sys/net/pf_ioctl.c:2931 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 shared rwlock pfioctl_rw r = 0 (0xffffffff829bb6c0) #0 witness_lock+0x44d #1 pfioctl+0x946 sys/net/pf_ioctl.c:1150 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b9a8a8) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:514 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10246 6537K 10629K 78643K 61064 0 pcb 13 30K 38K 78643K 7486 0 rtable 207 17K 18K 78643K 5152 0 ifaddr 123 32K 40K 78643K 3539 0 sysctl 3 1K 1K 78643K 11 0 counters 62 36K 36K 78643K 1556 0 ioctlops 0 0K 4K 78643K 46103 0 iov 0 0K 32K 78643K 6311 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1536 96K 96K 78643K 17991 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 13K 78643K 159 0 VM map 2 1K 1K 78643K 2 0 sem 12 32K 64K 78643K 29 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 81K 78643K 42518 0 sigio 0 0K 0K 78643K 526 0 proc 73 91K 127K 78643K 3429 0 subproc 104 6K 7K 78643K 840 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1481 0 in_multi 61 4K 6K 78643K 1292 0 ether_multi 1 0K 0K 78643K 263 0 mrt 2 0K 0K 78643K 162 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 241 1076K 1076K 78643K 241 0 exec 0 0K 2K 78643K 6789 0 pfkey data 0 0K 0K 78643K 27 0 tdb 3 0K 0K 78643K 3 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 966 2177K 2178K 78643K 230578 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 1380 0 NDP 21 0K 2K 78643K 909 0 temp 176 4753K 4881K 78643K 526241 0 kqueue 12 18K 26K 78643K 2678 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 plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 3146 0 3143 15 14 1 3 0 8 0 rtentry 112 1153 0 1073 5 2 3 4 0 8 0 unpcb 136 20366 0 20351 222 216 6 9 0 8 5 syncache 296 114 0 114 9 9 0 1 0 8 0 tcpqe 32 67 93 67 4 4 0 1 0 8 0 tcpcb 736 9603 0 9566 331 327 4 19 0 8 0 arp 120 161 0 145 1 0 1 1 0 8 0 inpcb 312 26705 0 26121 402 351 51 56 0 8 5 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 54 0 54 1 1 0 1 0 8 0 nd6 48 204 0 190 1 0 1 1 0 8 0 pkpcb 40 301 0 301 35 35 0 1 0 8 0 kcovpl 48 62 0 54 1 0 1 1 0 8 0 ppxss 1248 597 0 596 3 2 1 1 0 8 0 pfstscr 40 30 0 29 1 0 1 1 0 8 0 pffrag 232 148 0 146 14 13 1 1 0 482 0 pffrnode 88 148 0 146 14 13 1 1 0 8 0 pffrent 40 518 0 516 15 14 1 1 0 8 0 pfosfp 40 1463 0 1036 5 0 5 5 0 8 0 pfosfpen 112 1463 0 742 21 0 21 21 0 8 0 pfrke_plain 168 6 0 6 1 1 0 1 0 8 0 pfrktable 1344 61 0 58 4 3 1 1 0 8 0 pftag 88 19 0 11 1 0 1 1 0 8 0 pfqueue 264 1 0 1 1 1 0 1 0 8 0 pfstitem 24 51 0 47 1 0 1 1 0 8 0 pfstkey 112 83 0 79 1 0 1 1 0 8 0 pfstate 336 61 0 58 3 1 2 3 0 8 0 pfrule 1360 195 0 176 5 3 2 2 0 8 0 rttmrq 48 179 0 175 1 0 1 1 0 8 0 rttmr 72 24 0 24 6 6 0 1 0 8 0 art_heap8 4096 80 0 78 11 9 2 3 0 8 0 art_heap4 256 4399 0 4093 56 35 21 29 0 8 0 art_table 32 4479 0 4171 4 1 3 4 0 8 0 art_node 16 1138 0 1070 1 0 1 1 0 8 0 sysvmsgpl 40 48 0 8 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 58275 0 56740 97 0 97 97 0 8 0 ffsino 272 58275 0 56740 103 0 103 103 0 8 0 nchpl 144 113387 0 111747 63 0 63 63 0 8 0 rtmask 32 12 0 12 1 1 0 1 0 8 0 uvmvnodes 80 6981 0 0 143 0 143 143 0 8 0 vnodes 224 6981 0 0 411 0 411 411 0 8 0 namei 1024 406845 0 406845 13 12 1 2 0 8 1 percpumem 16 790 0 747 1 0 1 1 0 8 0 vcpupl 2048 240 0 2 30 0 30 30 0 8 0 vmpool 560 294 0 56 18 1 17 18 0 8 0 pfiaddrpl 120 28 0 24 5 4 1 1 0 8 0 kstatmem 264 1536 0 1494 3 0 3 3 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 329798 0 329798 45 44 1 8 0 8 1 plimitpl 152 3176 0 3161 1 0 1 1 0 8 0 sigapl 424 42775 0 42711 9 1 8 8 0 8 0 futexpl 64 365364 0 365363 7 6 1 1 0 8 0 knotepl 120 1969 0 0 11 1 10 11 0 8 0 kqueuepl 216 9069 0 9061 164 163 1 8 0 8 0 pipepl 336 8012 0 7984 225 222 3 14 0 8 0 fdescpl 496 42712 0 42685 8 4 4 5 0 8 0 filepl 152 268183 0 267943 510 492 18 23 0 8 8 lockfpl 104 11757 0 11755 22 21 1 4 0 8 0 lockfspl 48 3232 0 3230 1 0 1 1 0 8 0 sessionpl 144 85 0 68 1 0 1 1 0 8 0 pgrppl 48 592 0 575 1 0 1 1 0 8 0 ucredpl 96 27701 0 27688 1 0 1 1 0 8 0 zombiepl 144 42712 0 42711 4 3 1 1 0 8 0 processpl 1064 42775 0 42711 5 0 5 5 0 8 0 procpl 672 107449 0 107374 32 24 8 9 0 8 0 srpgc 96 46 0 46 21 21 0 1 0 8 0 sosppl 168 242 0 242 33 33 0 1 0 8 0 sockpl 480 50712 0 50110 1123 1038 85 106 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 15 0 0 2 0 2 2 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 33 0 0 4 1 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 1800 0 0 34 10 24 27 0 8 0 mtagpl 96 1962 0 0 19 3 16 16 0 8 0 mbufpl 256 10654 0 0 582 14 568 568 0 8 0 bufpl 288 69460 0 62479 499 0 499 499 0 8 0 anonpl 24 7591896 0 7574245 641 506 135 181 0 186 18 amapchunkpl 152 671602 0 670921 207 174 33 57 0 158 0 amappl16 200 101610 0 100964 267 219 48 56 0 8 11 amappl15 192 4784 0 4782 1 0 1 1 0 8 0 amappl14 184 6295 0 6285 1 0 1 1 0 8 0 amappl13 176 8074 0 8071 1 0 1 1 0 8 0 amappl12 168 2759 0 2748 1 0 1 1 0 8 0 amappl11 160 3255 0 3235 3 2 1 2 0 8 0 amappl10 152 9198 0 9187 1 0 1 1 0 8 0 amappl9 144 6911 0 6903 1 0 1 1 0 8 0 amappl8 136 8555 0 8181 14 1 13 13 0 8 0 amappl7 128 6095 0 6078 1 0 1 1 0 8 0 amappl6 120 7024 0 6976 6 4 2 2 0 8 0 amappl5 112 38431 0 38409 1 0 1 1 0 8 0 amappl4 104 11224 0 11168 8 6 2 2 0 8 0 amappl3 96 129436 0 129389 2 0 2 2 0 8 0 amappl2 88 53880 0 53793 6 3 3 3 0 8 0 amappl1 80 991435 0 990831 33 18 15 20 0 8 0 amappl 88 228145 0 227791 13 4 9 9 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 43006 0 42741 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 43006 0 42741 2 0 2 2 0 8 0 vmmpekpl 168 267692 0 267600 5 0 5 5 0 8 0 vmmpepl 168 4050604 0 4047176 736 560 176 205 0 357 7 vmsppl 368 43005 0 42741 26 1 25 25 0 8 0 rwobjpl 56 944883 0 935619 174 39 135 138 0 8 0 pdppl 4096 86019 0 85720 1988 1682 306 308 0 8 7 pvpl 32 15697352 0 15675114 1244 1022 222 310 0 265 26 pmappl 248 43005 0 42741 17 0 17 17 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 4423 0 2670 51 0 51 51 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:437 witness_checkorder(ffffffff829701b0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff829701b0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff829701a0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd806756c6a8,ffff8000268d2a98,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd806756c6a8,0,ffff8000268d2b58,ffff8000268d2b28,0,0,d894125b22361da7,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff8000268d2cc0,ffff8000268d2cf8,ffff8000268d2c40,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd805bdd08c0,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff8000268d2e50,20001000) at kpageflttrap+0x209 kerntrap(ffff8000268d2e50) at kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 pfioctl(4900,c0284457,ffff8000268d32c0,1,ffff80002467ea90) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f68d568,c0284457,ffff8000268d32c0,1,fffffd807f7d7600,ffff80002467ea90) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8067643560,c0284457,ffff8000268d32c0,ffff80002467ea90) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002467ea90,ffff8000268d33d8,ffff8000268d3430) at sys_ioctl+0x4a2 syscall(ffff8000268d34a0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000268d34a0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6423c974f0, count: -17 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5