¹@ Þþ¹@ Þþ¹@ Þþwitness: lock order reversal: 1st 0xffffffff82998050 pf_lock (pf_lock) 2nd 0xffffffff82918a40 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+0x3f59 sys/net/pf_ioctl.c:2973 #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:1243 #2 uvn_get+0x1df sys/uvm/uvm_vnode.c:1076 #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+0x44c2 sys/net/pf_ioctl.c:2945 #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:440 witness_checkorder(ffffffff82918a40,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff82918a40,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff82918a30) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd806e3fe520,ffff80002c94a688,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1243 uvn_get(fffffd806e3fe520,1000,ffff80002c94a748,ffff80002c94a718,0,0,97b8360ddc1954e9,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1076 uvm_fault_lower(ffff80002c94a8b0,ffff80002c94a8e8,ffff80002c94a830,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd8063d50460,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002c94aa40,20001000) at kpageflttrap+0x209 kerntrap(ffff80002c94aa40) 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,ffff80002c94aea0,1,ffff8000238ad268) at pfioctl+0x44c2 sys/net/pf_ioctl.c:2945 VOP_IOCTL(fffffd806f6d6aa8,c0284457,ffff80002c94aea0,1,fffffd807f7d8420,ffff8000238ad268) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8067588870,c0284457,ffff80002c94aea0,ffff8000238ad268) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000238ad268,ffff80002c94afb8,ffff80002c94b010) at sys_ioctl+0x4a2 syscall(ffff80002c94b080) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002c94b080) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8a3fcbe67f0, count: -17 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff80002c94a450 rbx 0x3 rdx 0xffff800000bf58c0 rcx 0 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffff80002c94a3c0 r9 0x8080808080808080 r10 0x94a9b8bc83a6cd47 r11 0x8e57c749062896a3 r12 0xffffffff82b185b0 w_lodata+0x52d80 r13 0 r14 0xffffffff82b07620 w_lodata+0x41df0 r15 0xfffffd8002f4c780 rip 0xffffffff819d9ed8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002c94a440 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) pid=89721 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000238ad508,0xffff8000ffff4a90 process=0xffff8000ffffa998 user=0xffff80002c946000, vmspace=0xfffffd8063d50460 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 25171 25156 69134 0 2 0 syz-executor.4 25171 223806 69134 0 3 0x4000080 netio syz-executor.4 25171 69000 69134 0 3 0x4000000 inode syz-executor.4 55761 273955 72402 0 2 0 syz-executor.2 55761 145349 72402 0 3 0x4000080 fsleep syz-executor.2 55419 31231 3226 0 2 0 syz-executor.6 *55419 89721 3226 0 7 0x4000000 syz-executor.6 55419 291930 3226 0 3 0x4000080 fsleep syz-executor.6 48165 445884 93807 0 2 0 syz-executor.5 48165 344584 93807 0 3 0x4000080 fsleep syz-executor.5 54587 336143 34751 0 2 0 syz-executor.1 54587 66483 34751 0 3 0x4000080 fsleep syz-executor.1 54587 363803 34751 0 2 0x4000000 syz-executor.1 93331 327497 33314 0 3 0x80 nanoslp syz-executor.7 93331 219491 33314 0 3 0x4000080 poll syz-executor.7 93331 490374 33314 0 3 0x4000080 fsleep syz-executor.7 94647 46253 18 0 2 0x2 syz-executor.0 34751 442598 18 0 3 0x82 nanoslp syz-executor.1 99248 138871 18 0 3 0x82 piperd syz-executor.3 3226 1529 18 0 3 0x82 nanoslp syz-executor.6 93807 137015 18 0 3 0x82 nanoslp syz-executor.5 69134 66361 18 0 3 0x82 nanoslp syz-executor.4 33314 479368 18 0 3 0x82 nanoslp syz-executor.7 55252 368018 1 0 3 0x100083 ttyin getty 11923 491079 0 0 3 0x14200 bored sosplice 72402 503633 18 0 3 0x82 nanoslp syz-executor.2 18 291426 76975 0 3 0x82 kqread syz-fuzzer 18 245129 76975 0 3 0x4000082 nanoslp syz-fuzzer 18 414504 76975 0 3 0x4000082 thrsleep syz-fuzzer 18 506456 76975 0 3 0x4000082 thrsleep syz-fuzzer 18 253676 76975 0 3 0x4000082 thrsleep syz-fuzzer 18 263353 76975 0 3 0x4000082 nanoslp syz-fuzzer 18 99453 76975 0 3 0x4000082 thrsleep syz-fuzzer 18 314326 76975 0 3 0x4000082 thrsleep syz-fuzzer 18 456921 76975 0 3 0x4000082 thrsleep syz-fuzzer 76975 489286 38616 0 3 0x10008a sigsusp ksh 38616 28371 6088 0 3 0x9a poll sshd 6088 95567 1 0 3 0x88 poll sshd 52204 322138 70659 74 3 0x100092 bpf pflogd 70659 520716 1 0 3 0x80 netio pflogd 69787 394296 72571 73 3 0x100090 kqread syslogd 72571 56004 1 0 3 0x100082 netio syslogd 86694 17094 1 0 3 0x100080 kqread resolvd 76087 83939 46157 77 3 0x100092 kqread dhcpleased 47215 381722 46157 77 3 0x100092 kqread dhcpleased 46157 116323 1 0 3 0x80 kqread dhcpleased 34729 233049 0 0 3 0x14200 bored smr 54226 484566 0 0 2 0x14200 zerothread 1816 404954 0 0 3 0x14200 aiodoned aiodoned 64016 385943 0 0 3 0x14200 syncer update 24363 61927 0 0 3 0x14200 cleaner cleaner 30206 142066 0 0 3 0x14200 reaper reaper 81724 250094 0 0 3 0x14200 pgdaemon pagedaemon 16607 53386 0 0 3 0x14200 bored viomb 72557 175319 0 0 3 0x40014200 acpi0 acpi0 17541 131487 0 0 7 0x40014200 idle1 51483 473069 0 0 3 0x14200 bored softnet 29509 374518 0 0 3 0x14200 bored systqmp 7401 10324 0 0 3 0x14200 bored systq 44795 437105 0 0 3 0x40014200 bored softclock 66615 11860 0 0 3 0x40014200 idle0 1 486867 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 25171 (syz-executor.4) thread 0xffff8000238aca88 (223806) exclusive rrwlock inode r = 0 (0xfffffd805b3b4a28) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ufs_lookup+0x122c sys/ufs/ufs/ufs_lookup.c:582 #7 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #9 namei+0x36a sys/kern/vfs_lookup.c:245 #10 vn_open+0x105 sys/kern/vfs_vnops.c:146 #11 vndioctl+0xa07 sys/dev/vnd.c:459 #12 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #14 sys_ioctl+0x4a2 #15 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #15 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #16 Xsyscall+0x128 Process 25171 (syz-executor.4) thread 0xffff8000ffff4fc0 (69000) exclusive rrwlock inode r = 0 (0xfffffd806e3e0d58) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dorenameat+0x7b sys/kern/vfs_syscalls.c:2977 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 55419 (syz-executor.6) thread 0xffff8000238ad268 (89721) exclusive rwlock pf_lock r = 0 (0xffffffff82998050) #0 witness_lock+0x44d #1 pfioctl+0x44b0 sys/net/pf_ioctl.c:2944 #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 (0xffffffff82b23970) #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 10229 6519K 6847K 78643K 21999 0 pcb 13 16K 18K 78643K 1216 0 rtable 248 29K 32K 78643K 3715 0 ifaddr 111 23K 24K 78643K 2470 0 sysctl 2 0K 0K 78643K 2 0 counters 60 36K 36K 78643K 260 0 ioctlops 0 0K 4K 78643K 14451 0 iov 0 0K 18K 78643K 568 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1339 84K 84K 78643K 4984 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 58 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 641 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 87K 78643K 8270 0 sigio 0 0K 0K 78643K 304 0 proc 71 87K 136K 78643K 1893 0 subproc 104 6K 6K 78643K 656 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 845 0 in_multi 75 5K 6K 78643K 821 0 ether_multi 1 0K 0K 78643K 111 0 mrt 1 0K 0K 78643K 11 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 247 1102K 1102K 78643K 247 0 exec 0 0K 2K 78643K 2812 0 pfkey data 0 0K 0K 78643K 3 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 517 716K 717K 78643K 102398 0 UVM aobj 131 8K 8K 78643K 138 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 501 0 NDP 15 0K 2K 78643K 221 0 temp 168 4738K 4802K 78643K 90917 0 kqueue 11 16K 20K 78643K 366 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 120 656 0 652 9 8 1 5 0 8 0 rtentry 112 690 0 610 4 0 4 4 0 8 0 unpcb 136 5338 0 5319 67 61 6 9 0 8 5 syncache 296 53 0 53 13 13 0 1 0 8 0 tcpqe 32 18 0 18 7 7 0 1 0 8 0 tcpcb 736 3211 0 3194 102 94 8 17 0 8 5 arp 120 106 0 92 1 0 1 1 0 8 0 inpcb 304 7145 0 7137 108 101 7 14 0 8 6 rttmr 72 3 0 3 1 1 0 1 0 8 0 nd6 48 161 0 141 1 0 1 1 0 8 0 pkpcb 40 16 0 16 4 4 0 1 0 8 0 kcovpl 48 50 0 42 1 0 1 1 0 8 0 ppxss 1248 29 0 29 7 6 1 1 0 8 1 pfstscr 40 88 0 88 4 4 0 1 0 8 0 pffrag 232 29 0 28 4 3 1 1 0 482 0 pffrnode 88 29 0 28 4 3 1 1 0 8 0 pffrent 40 306 0 305 6 5 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 16 0 8 1 0 1 1 0 8 0 pfrktable 1344 803 0 775 8 5 3 3 0 8 0 pftag 88 10 0 3 1 0 1 1 0 8 0 pfstitem 24 71 0 68 1 0 1 1 0 8 0 pfstkey 112 225 0 222 1 0 1 1 0 8 0 pfstate 320 146 0 143 3 2 1 3 0 8 0 pfrule 1360 1139 0 1031 11 1 10 10 0 8 1 art_heap8 4096 5 0 3 3 1 2 3 0 8 0 art_heap4 256 2529 0 2185 41 17 24 29 0 8 0 art_table 32 2534 0 2188 4 0 4 4 0 8 0 art_node 16 613 0 543 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 5 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 633 0 623 1 0 1 1 0 8 0 shmpl 112 135 0 7 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 11393 0 9930 92 0 92 92 0 8 0 ffsino 272 11393 0 9930 98 0 98 98 0 8 0 nchpl 144 21643 0 20019 63 0 63 63 0 8 0 rtmask 32 16 0 12 1 0 1 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 84978 0 84977 4 3 1 2 0 8 0 percpumem 16 142 0 100 1 0 1 1 0 8 0 vcpupl 2048 78 0 0 10 0 10 10 0 8 0 vmpool 560 82 0 4 6 0 6 6 0 8 0 pfiaddrpl 120 1377 0 1308 5 2 3 3 0 8 0 scsiplug 72 6 0 6 2 2 0 1 0 8 0 scxspl 216 65229 0 65229 18 17 1 8 0 8 1 plimitpl 152 1186 0 1171 1 0 1 1 0 8 0 sigapl 424 8511 0 8467 8 1 7 8 0 8 0 futexpl 64 76532 0 76527 1 0 1 1 0 8 0 knotepl 112 185 0 0 5 0 5 5 0 8 0 kqueuepl 216 1897 0 1890 40 36 4 5 0 8 3 pipepl 336 1856 0 1827 49 46 3 13 0 8 0 fdescpl 496 8475 0 8446 5 1 4 5 0 8 0 filepl 152 60063 0 59804 109 90 19 24 0 8 8 lockfpl 104 2187 0 2184 6 4 2 2 0 8 1 lockfspl 48 607 0 604 1 0 1 1 0 8 0 sessionpl 144 67 0 50 1 0 1 1 0 8 0 pgrppl 48 75 0 58 1 0 1 1 0 8 0 ucredpl 96 6217 0 6200 1 0 1 1 0 8 0 zombiepl 144 8467 0 8467 2 1 1 1 0 8 1 processpl 1064 8511 0 8467 5 1 4 5 0 8 0 procpl 672 21909 0 21847 15 8 7 9 0 8 0 srpgc 96 74 0 74 11 11 0 1 0 8 0 sosppl 168 38 0 37 9 8 1 1 0 8 0 sockpl 480 13163 0 13129 293 280 13 37 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 13 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 20 0 0 3 1 2 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 224 0 0 23 0 23 23 0 8 0 mtagpl 96 847 0 0 16 0 16 16 0 8 0 mbufpl 256 1846 0 0 101 0 101 101 0 8 0 bufpl 288 15486 0 9152 453 0 453 453 0 8 0 anonpl 24 2307652 0 2284556 243 96 147 164 0 186 0 amapchunkpl 152 256708 0 255776 109 62 47 51 0 158 10 amappl16 200 21404 0 20624 99 55 44 52 0 8 0 amappl15 192 1843 0 1837 1 0 1 1 0 8 0 amappl14 184 671 0 666 1 0 1 1 0 8 0 amappl13 176 1763 0 1754 1 0 1 1 0 8 0 amappl12 168 481 0 474 1 0 1 1 0 8 0 amappl11 160 303 0 288 1 0 1 1 0 8 0 amappl10 152 408 0 402 1 0 1 1 0 8 0 amappl9 144 2536 0 2531 1 0 1 1 0 8 0 amappl8 136 2418 0 2298 5 0 5 5 0 8 0 amappl7 128 1226 0 1213 1 0 1 1 0 8 0 amappl6 120 2389 0 2358 3 2 1 2 0 8 0 amappl5 112 6918 0 6901 1 0 1 1 0 8 0 amappl4 104 2416 0 2383 2 1 1 2 0 8 0 amappl3 96 2645 0 2627 1 0 1 1 0 8 0 amappl2 88 2937 0 2882 3 1 2 3 0 8 0 amappl1 80 152558 0 151956 19 5 14 19 0 8 0 amappl 88 101079 0 100759 8 0 8 8 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 72 137 0 7 3 0 3 3 0 8 0 uaddrrnd 24 8557 0 8450 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8557 0 8450 1 0 1 1 0 8 0 vmmpekpl 168 64453 0 64375 4 0 4 4 0 8 0 vmmpepl 168 781945 0 778958 276 130 146 149 0 357 8 vmsppl 368 8556 0 8450 12 2 10 10 0 8 0 rwobjpl 56 186845 0 178881 127 12 115 115 0 8 0 pdppl 4096 17121 0 16978 442 295 147 147 0 8 4 pvpl 32 3936154 0 3909944 409 191 218 256 0 265 4 pmappl 248 8556 0 8450 8 1 7 7 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1457 0 462 29 0 29 29 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:440 witness_checkorder(ffffffff82918a40,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff82918a40,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff82918a30) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd806e3fe520,ffff80002c94a688,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1243 uvn_get(fffffd806e3fe520,1000,ffff80002c94a748,ffff80002c94a718,0,0,97b8360ddc1954e9,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1076 uvm_fault_lower(ffff80002c94a8b0,ffff80002c94a8e8,ffff80002c94a830,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd8063d50460,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002c94aa40,20001000) at kpageflttrap+0x209 kerntrap(ffff80002c94aa40) 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,ffff80002c94aea0,1,ffff8000238ad268) at pfioctl+0x44c2 sys/net/pf_ioctl.c:2945 VOP_IOCTL(fffffd806f6d6aa8,c0284457,ffff80002c94aea0,1,fffffd807f7d8420,ffff8000238ad268) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8067588870,c0284457,ffff80002c94aea0,ffff8000238ad268) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000238ad268,ffff80002c94afb8,ffff80002c94b010) at sys_ioctl+0x4a2 syscall(ffff80002c94b080) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002c94b080) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8a3fcbe67f0, 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