witness: lock order reversal: 1st 0xffffffff829aa070 pf_lock (pf_lock) 2nd 0xffffffff829450f0 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(ffffffff829450f0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff829450f0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff829450e0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd805210f860,ffff80002e3b9328,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd805210f860,0,ffff80002e3b93e8,ffff80002e3b93b8,0,0,bbee71ee2ccb3521,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff80002e3b9550,ffff80002e3b9588,ffff80002e3b94d0,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd805ace75d8,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002e3b96e0,20001000) at kpageflttrap+0x209 kerntrap(ffff80002e3b96e0) 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,ffff80002e3b9b50,1,ffff800025eec7f0) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f681aa8,c0284457,ffff80002e3b9b50,1,fffffd807f7d75a0,ffff800025eec7f0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c8abd28,c0284457,ffff80002e3b9b50,ffff800025eec7f0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800025eec7f0,ffff80002e3b9c68,ffff80002e3b9cc0) at sys_ioctl+0x4a2 syscall(ffff80002e3b9d30) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b9d30) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa7edd420810, count: -17 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff80002e3b90f0 rbx 0x3 rdx 0xffff800000bf8b80 rcx 0 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffff80002e3b9060 r9 0x8080808080808080 r10 0xd89b01792a07d725 r11 0xf5501b70642f8a52 r12 0xffffffff82b8cfd0 w_lodata+0x526a0 r13 0 r14 0xffffffff82b76bb0 w_lodata+0x3c280 r15 0xfffffd8002f7a840 rip 0xffffffff814371d8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e3b90e0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=174121 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff800025eedcf0,0xffff800025eec560 process=0xffff800025ec3208 user=0xffff80002e3b4000, vmspace=0xfffffd805ace75d8 estcpu=34, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64704 313353 21022 0 2 0 syz-executor.7 64704 48031 21022 0 3 0x4000080 fsleep syz-executor.7 49882 2552 90736 0 2 0 syz-executor.2 49882 116890 90736 0 3 0x4000080 fsleep syz-executor.2 49882 166187 90736 0 3 0x4000080 fsleep syz-executor.2 37177 449951 78302 60928 2 0x10 syz-executor.5 37177 58291 78302 60928 3 0x4000090 fsleep syz-executor.5 37177 37574 78302 60928 3 0x4000090 fsleep syz-executor.5 37177 344133 78302 60928 3 0x4000090 fsleep syz-executor.5 89191 305714 16957 0 2 0 syz-executor.3 89191 171138 16957 0 3 0x4000080 fsleep syz-executor.3 38119 142586 99814 0 2 0 syz-executor.4 38119 499923 99814 0 3 0x4000080 fsleep syz-executor.4 76347 427629 46453 0 2 0 syz-executor.1 *76347 174121 46453 0 7 0x4000000 syz-executor.1 77254 386969 0 0 3 0x14200 acct acct 78185 453869 33893 0 3 0x82 nanoslp syz-executor.0 46453 140789 33893 0 3 0x82 nanoslp syz-executor.1 78302 44994 33893 0 3 0x82 nanoslp syz-executor.5 59094 151695 1 0 3 0x100083 ttyopn getty 99814 238285 33893 0 3 0x82 nanoslp syz-executor.4 90736 109259 33893 0 3 0x82 nanoslp syz-executor.2 21022 85708 33893 0 3 0x82 nanoslp syz-executor.7 16957 379292 33893 0 3 0x82 nanoslp syz-executor.3 56396 269902 0 0 3 0x14280 nfsidl nfsio 89548 227683 0 0 3 0x14280 nfsidl nfsio 39688 512118 0 0 3 0x14280 nfsidl nfsio 92397 126408 0 0 3 0x14280 nfsidl nfsio 80347 507421 0 0 3 0x14280 nfsidl nfsio 72590 321789 0 0 3 0x14280 nfsidl nfsio 57714 167469 0 0 3 0x14280 nfsidl nfsio 15381 414584 0 0 3 0x14280 nfsidl nfsio 6571 120156 0 0 3 0x14280 nfsidl nfsio 86155 492016 0 0 3 0x14280 nfsidl nfsio 58108 180637 0 0 3 0x14280 nfsidl nfsio 97162 441990 0 0 3 0x14280 nfsidl nfsio 86984 356024 0 0 3 0x14280 nfsidl nfsio 43447 329708 0 0 3 0x14280 nfsidl nfsio 43470 374808 0 0 3 0x14280 nfsidl nfsio 55718 95081 0 0 3 0x14280 nfsidl nfsio 23828 364440 0 0 3 0x14280 nfsidl nfsio 73316 287148 0 0 3 0x14280 nfsidl nfsio 70490 434764 0 0 3 0x14280 nfsidl nfsio 37599 350879 0 0 3 0x14280 nfsidl nfsio 3423 170161 0 0 3 0x14200 bored sosplice 33893 141474 21000 0 3 0x82 thrsleep syz-fuzzer 33893 413586 21000 0 3 0x4000082 thrsleep syz-fuzzer 33893 210960 21000 0 3 0x4000082 thrsleep syz-fuzzer 33893 357108 21000 0 3 0x4000082 thrsleep syz-fuzzer 33893 481144 21000 0 3 0x4000082 thrsleep syz-fuzzer 33893 147925 21000 0 3 0x4000082 thrsleep syz-fuzzer 33893 74716 21000 0 3 0x4000082 kqread syz-fuzzer 33893 56183 21000 0 3 0x4000082 thrsleep syz-fuzzer 33893 501094 21000 0 3 0x4000082 thrsleep syz-fuzzer 21000 354462 62855 0 3 0x10008a sigsusp ksh 62855 53367 89088 0 3 0x9a kqread sshd 89088 306444 1 0 3 0x88 kqread sshd 98559 170428 93299 74 3 0x1100092 bpf pflogd 93299 164198 1 0 3 0x80 netio pflogd 19413 371711 65916 73 3 0x1100090 kqread syslogd 65916 478499 1 0 3 0x100082 netio syslogd 51041 195248 1 0 3 0x100080 kqread resolvd 64569 244536 73475 77 3 0x100092 kqread dhcpleased 325 95419 73475 77 3 0x100092 kqread dhcpleased 73475 235316 1 0 3 0x80 kqread dhcpleased 76837 521661 0 0 3 0x14200 bored smr 15287 37789 0 0 2 0x14200 zerothread 92505 11783 0 0 3 0x14200 aiodoned aiodoned 99623 211733 0 0 3 0x14200 syncer update 83513 117295 0 0 3 0x14200 cleaner cleaner 23279 37389 0 0 3 0x14200 reaper reaper 78922 444500 0 0 3 0x14200 pgdaemon pagedaemon 75934 300240 0 0 3 0x14200 bored viomb 7692 95884 0 0 3 0x40014200 acpi0 acpi0 17553 104610 0 0 7 0x40014200 idle1 23490 37892 0 0 3 0x14200 bored softnet 35869 349813 0 0 3 0x14200 bored systqmp 86585 501919 0 0 3 0x14200 bored systq 67607 276037 0 0 3 0x40014200 bored softclock 44138 87808 0 0 3 0x40014200 idle0 1 104860 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 76347 (syz-executor.1) thread 0xffff800025eec7f0 (174121) exclusive rwlock pf_lock r = 0 (0xffffffff829aa070) #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 (0xffffffff829aa0d0) #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 (0xffffffff829d8da0) #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 10241 6590K 7546K 78643K 96211 0 pcb 13 22K 24K 78643K 7488 0 rtable 239 23K 25K 78643K 11293 0 ifaddr 97 31K 40K 78643K 6483 0 sysctl 3 1K 1K 78643K 27 0 counters 54 35K 36K 78643K 1338 0 ioctlops 0 0K 8K 78643K 37433 0 iov 0 0K 24K 78643K 5531 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1716 107K 107K 78643K 31514 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 507 0 VM map 2 1K 1K 78643K 2 0 sem 26 36K 72K 78643K 7695 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 59526 0 sigio 0 0K 0K 78643K 46635 0 proc 74 91K 116K 78643K 8139 0 subproc 91 5K 7K 78643K 2554 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 2362 0 in_multi 83 5K 7K 78643K 4164 0 ether_multi 2 0K 0K 78643K 473 0 mrt 2 0K 0K 78643K 237 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 337 1500K 1500K 78643K 337 0 exec 0 0K 2K 78643K 13561 0 pfkey data 0 0K 0K 78643K 78 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 843 2176K 2200K 78643K 330886 0 UVM aobj 131 6K 6K 78643K 132 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2227 0 NDP 13 0K 2K 78643K 1198 0 temp 154 4780K 5420K 78643K 1228381 0 kqueue 15 24K 32K 78643K 4097 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 3069 0 3066 35 34 1 5 0 8 0 rtentry 112 3478 0 3390 6 3 3 4 0 8 0 unpcb 136 138577 0 138557 656 653 3 15 0 8 2 syncache 296 162 0 162 46 46 0 1 0 8 0 tcpqe 32 239 45 239 24 24 0 1 0 8 0 tcpcb 736 17408 0 17400 544 537 7 18 0 8 6 arp 120 460 0 444 1 0 1 1 0 8 0 inpcb 312 59526 0 59515 754 748 6 21 0 8 5 ip6q 72 4 0 4 1 1 0 1 0 8 0 ip6af 40 12 0 12 1 1 0 1 0 8 0 nd6 48 791 0 770 1 0 1 1 0 8 0 pkpcb 40 218 0 218 20 20 0 1 0 8 0 kcovpl 48 195 0 188 1 0 1 1 0 8 0 ppxss 1248 197 0 197 43 43 0 1 0 8 0 pfstscr 40 7 0 7 2 2 0 1 0 8 0 pffrag 232 375 0 374 19 18 1 1 0 482 0 pffrnode 88 337 0 336 19 18 1 1 0 8 0 pffrent 40 1165 0 1164 21 20 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 pfrke_plain 168 125 0 123 9 8 1 1 0 8 0 pfrktable 1344 661 0 643 4 2 2 2 0 8 0 pftag 88 15 0 9 2 1 1 1 0 8 0 pfstitem 24 20 0 18 1 0 1 1 0 8 0 pfstkey 112 34 0 32 1 0 1 1 0 8 0 pfstate 336 27 0 25 2 1 1 2 0 8 0 pfrule 1360 1896 0 1711 32 16 16 17 0 8 0 rttmrq 48 207 0 203 1 0 1 1 0 8 0 rttmr 72 63 0 63 21 21 0 1 0 8 0 art_heap8 4096 5 0 4 5 4 1 2 0 8 0 art_heap4 256 15370 0 14991 103 74 29 30 0 8 0 art_table 32 15375 0 14995 4 0 4 4 0 8 0 art_node 16 3382 0 3304 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 33 1 1 0 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 7546 0 7522 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 78786 0 77111 106 0 106 106 0 8 0 ffsino 272 78786 0 77111 113 0 113 113 0 8 0 nchpl 144 155318 0 153674 63 0 63 63 0 8 0 rtmask 32 250 0 248 9 8 1 1 0 8 0 uvmvnodes 80 91256 0 0 1863 0 1863 1863 0 8 0 vnodes 224 91256 0 0 5368 0 5368 5368 0 8 0 namei 1024 555292 0 555292 20 19 1 2 0 8 1 percpumem 16 681 0 642 1 0 1 1 0 8 0 vcpupl 2048 210 0 0 27 0 27 27 0 8 0 vmpool 560 512 0 302 17 2 15 16 0 8 0 pfiaddrpl 120 355 0 222 9 4 5 5 0 8 0 kstatmem 264 1310 0 1284 10 7 3 3 0 8 0 scsiplug 72 20 0 20 6 6 0 1 0 8 0 scxspl 216 487076 0 487076 61 60 1 8 0 8 1 plimitpl 152 5988 0 5973 1 0 1 1 0 8 0 sigapl 424 59526 0 59461 10 2 8 8 0 8 0 futexpl 64 588767 0 588759 19 18 1 1 0 8 0 knotepl 120 2830 0 0 13 3 10 11 0 8 0 kqueuepl 216 15629 0 15617 280 279 1 8 0 8 0 pipepl 336 13455 0 13430 329 321 8 11 0 8 5 fdescpl 496 59425 0 59397 9 5 4 5 0 8 0 filepl 152 494241 0 494011 900 885 15 29 0 8 5 lockfpl 104 16072 0 16070 30 29 1 2 0 8 0 lockfspl 48 4541 0 4539 1 0 1 1 0 8 0 sessionpl 144 217 0 201 1 0 1 1 0 8 0 pgrppl 48 315 0 299 1 0 1 1 0 8 0 ucredpl 96 45069 0 45048 1 0 1 1 0 8 0 zombiepl 144 59462 0 59461 4 3 1 1 0 8 0 processpl 1064 59526 0 59461 6 1 5 5 0 8 0 procpl 672 156501 0 156419 67 59 8 11 0 8 0 srpgc 96 172 0 172 66 66 0 1 0 8 0 sosppl 168 670 0 670 89 89 0 1 0 8 0 sockpl 480 201561 0 201527 4304 4292 12 53 0 8 7 mcl64k 65536 49 0 0 5 2 3 3 0 8 0 mcl16k 16384 25 0 0 3 0 3 3 0 8 0 mcl12k 12288 57 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 33 0 0 3 0 3 3 0 8 0 mcl4k 4096 47 0 0 3 0 3 3 0 8 0 mcl2k2 2112 18 0 0 2 0 2 2 0 8 0 mcl2k 2048 929 0 0 34 17 17 26 0 8 0 mtagpl 96 2764 0 0 22 1 21 22 0 8 0 mbufpl 256 11896 0 0 584 3 581 581 0 8 0 bufpl 288 103052 0 87769 1092 0 1092 1092 0 8 0 anonpl 24 11275026 0 11256621 545 399 146 201 0 186 0 amapchunkpl 152 963100 0 962246 289 250 39 64 0 158 0 amappl16 200 160397 0 159633 567 522 45 57 0 8 0 amappl15 192 11987 0 11982 4 3 1 1 0 8 0 amappl14 184 4599 0 4590 1 0 1 1 0 8 0 amappl13 176 7716 0 7712 1 0 1 1 0 8 0 amappl12 168 10472 0 10463 2 1 1 1 0 8 0 amappl11 160 8542 0 8521 9 8 1 2 0 8 0 amappl10 152 4485 0 4471 1 0 1 1 0 8 0 amappl9 144 10050 0 10044 1 0 1 1 0 8 0 amappl8 136 11204 0 10938 13 3 10 10 0 8 0 amappl7 128 6565 0 6548 1 0 1 1 0 8 0 amappl6 120 10877 0 10837 6 4 2 2 0 8 0 amappl5 112 50167 0 50147 1 0 1 1 0 8 0 amappl4 104 21350 0 21307 7 5 2 2 0 8 0 amappl3 96 182777 0 182724 2 0 2 2 0 8 0 amappl2 88 72767 0 72672 8 5 3 3 0 8 0 amappl1 80 1384963 0 1384295 41 26 15 20 0 8 0 amappl 88 326221 0 325868 14 5 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 59937 0 59699 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 59937 0 59699 2 0 2 2 0 8 0 vmmpekpl 168 403125 0 403029 5 0 5 5 0 8 0 vmmpepl 168 5773454 0 5769961 968 788 180 202 0 357 0 vmsppl 368 59936 0 59699 27 5 22 22 0 8 0 rwobjpl 56 1446633 0 1353013 1335 15 1320 1320 0 8 0 pdppl 4096 119881 0 119608 2783 2504 279 281 0 8 6 pvpl 32 22834360 0 22813200 1258 1043 215 321 0 265 0 pmappl 248 59936 0 59699 18 2 16 16 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 6575 0 4253 67 0 67 67 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(ffffffff829450f0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff829450f0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff829450e0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd805210f860,ffff80002e3b9328,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd805210f860,0,ffff80002e3b93e8,ffff80002e3b93b8,0,0,bbee71ee2ccb3521,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff80002e3b9550,ffff80002e3b9588,ffff80002e3b94d0,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd805ace75d8,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002e3b96e0,20001000) at kpageflttrap+0x209 kerntrap(ffff80002e3b96e0) 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,ffff80002e3b9b50,1,ffff800025eec7f0) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f681aa8,c0284457,ffff80002e3b9b50,1,fffffd807f7d75a0,ffff800025eec7f0) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806c8abd28,c0284457,ffff80002e3b9b50,ffff800025eec7f0) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800025eec7f0,ffff80002e3b9c68,ffff80002e3b9cc0) at sys_ioctl+0x4a2 syscall(ffff80002e3b9d30) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3b9d30) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa7edd420810, 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