witness: lock order reversal: 1st 0xffffffff82913a80 pf_lock (pf_lock) 2nd 0xffffffff8296e3c0 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:1247 #2 uvn_get+0x1df sys/uvm/uvm_vnode.c:1080 #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(ffffffff8296e3c0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff8296e3c0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff8296e3b0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd8063325078,ffff800021256478,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1247 uvn_get(fffffd8063325078,0,ffff800021256538,ffff800021256508,0,0,58bdb0f977e99217,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1080 uvm_fault_lower(ffff8000212566a0,ffff8000212566d8,ffff800021256620,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd807db00300,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff800021256830,20001000) at kpageflttrap+0x209 kerntrap(ffff800021256830) 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,ffff800021256ca0,1,ffff8000211567e8) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f689b88,c0284457,ffff800021256ca0,1,fffffd807f7d7660,ffff8000211567e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806392d8f0,c0284457,ffff800021256ca0,ffff8000211567e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000211567e8,ffff800021256db8,ffff800021256e10) at sys_ioctl+0x4a2 syscall(ffff800021256e80) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021256e80) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1b72a6db6f0, count: -17 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff800021256240 rbx 0x3 rdx 0xffff800000bf8100 rcx 0 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffff8000212561b0 r9 0x8080808080808080 r10 0x1bf43e4a82a26989 r11 0xec59659508ef7e92 r12 0xffffffff82abe2e0 w_lodata+0x528b0 r13 0 r14 0xffffffff82ab5330 w_lodata+0x49900 r15 0xfffffd8002f74840 rip 0xffffffff822510d8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021256230 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.6) pid=289904 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800021157268,0xffff8000211577b8 process=0xffff8000ffff29a8 user=0xffff800021251000, vmspace=0xfffffd807db00300 estcpu=31, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 3753 378555 70000 0 7 0 syz-executor.1 3753 412188 70000 0 2 0x4000000 syz-executor.1 33923 505669 81233 0 2 0 syz-executor.7 33923 514524 81233 0 3 0x4000080 fsleep syz-executor.7 93500 300329 31503 0 2 0 syz-executor.6 *93500 289904 31503 0 7 0x4000000 syz-executor.6 48266 496575 43591 0 2 0 syz-executor.5 48266 310373 43591 0 3 0x4000080 fsleep syz-executor.5 43591 382326 57405 0 2 0x2 syz-executor.5 37435 287602 0 0 3 0x14200 acct acct 69661 6656 57405 0 2 0x2 syz-executor.0 6249 127692 0 0 3 0x14200 bored sosplice 81233 272803 57405 0 3 0x82 nanoslp syz-executor.7 31503 238416 57405 0 3 0x82 nanoslp syz-executor.6 46320 144179 57405 0 3 0x82 nanoslp syz-executor.4 81623 182463 57405 0 2 0x2 syz-executor.3 33691 139999 57405 0 2 0x2 syz-executor.2 70000 247208 57405 0 3 0x82 nanoslp syz-executor.1 57405 188716 87981 0 3 0x82 thrsleep syz-fuzzer 57405 293465 87981 0 3 0x4000082 nanoslp syz-fuzzer 57405 229660 87981 0 3 0x4000082 thrsleep syz-fuzzer 57405 288344 87981 0 3 0x4000082 thrsleep syz-fuzzer 57405 245144 87981 0 3 0x4000082 thrsleep syz-fuzzer 57405 239553 87981 0 3 0x4000082 thrsleep syz-fuzzer 57405 311338 87981 0 3 0x4000082 nanoslp syz-fuzzer 57405 442793 87981 0 3 0x4000082 kqread syz-fuzzer 57405 220228 87981 0 3 0x4000082 thrsleep syz-fuzzer 87981 476500 30969 0 3 0x10008a sigsusp ksh 30969 376545 7551 0 3 0x9a kqread sshd 35866 217240 1 0 3 0x100083 ttyin getty 7551 280152 1 0 3 0x88 kqread sshd 82157 36013 82565 74 3 0x1100092 bpf pflogd 82565 47162 1 0 3 0x80 netio pflogd 54494 102516 45847 73 3 0x1100090 kqread syslogd 45847 245919 1 0 3 0x100082 netio syslogd 56052 206324 1 0 3 0x100080 kqread resolvd 12856 91180 65846 77 3 0x100092 kqread dhcpleased 71779 32108 65846 77 3 0x100092 kqread dhcpleased 65846 121648 1 0 3 0x80 kqread dhcpleased 12440 487520 0 0 3 0x14200 bored smr 20782 220130 0 0 2 0x14200 zerothread 18365 83634 0 0 3 0x14200 aiodoned aiodoned 55459 313114 0 0 3 0x14200 syncer update 2560 520210 0 0 3 0x14200 cleaner cleaner 21603 191492 0 0 3 0x14200 reaper reaper 64935 384947 0 0 3 0x14200 pgdaemon pagedaemon 22594 375068 0 0 3 0x14200 bored viomb 36976 182103 0 0 3 0x40014200 acpi0 acpi0 47023 448679 0 0 3 0x40014200 idle1 55997 18212 0 0 3 0x14200 bored softnet 9240 466500 0 0 3 0x14200 bored systqmp 79453 288189 0 0 3 0x14200 bored systq 53364 37665 0 0 3 0x40014200 bored softclock 57498 142022 0 0 3 0x40014200 idle0 1 462314 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 93500 (syz-executor.6) thread 0xffff8000211567e8 (289904) exclusive rwlock pf_lock r = 0 (0xffffffff82913a80) #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 (0xffffffff82913ae0) #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 (0xffffffff82ad5d40) #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 Process 81623 (syz-executor.3) thread 0xffff8000ffff5500 (182463) exclusive rrwlock inode r = 0 (0xfffffd806344ca38) #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 vget+0x1d3 sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #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 exclusive rrwlock inode r = 0 (0xfffffd8067697810) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #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 33691 (syz-executor.2) thread 0xffff8000ffff5260 (139999) exclusive rrwlock inode r = 0 (0xfffffd807ccd5b38) #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 vget+0x1d3 sys/kern/vfs_subr.c:678 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #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 exclusive rrwlock inode r = 0 (0xfffffd806d519a38) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10186 6485K 6760K 78643K 11970 0 pcb 13 8K 8K 78643K 29 0 rtable 217 10K 11K 78643K 455 0 ifaddr 94 19K 19K 78643K 614 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 70 0 ioctlops 0 0K 8K 78643K 1966 0 iov 0 0K 16K 78643K 41 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1308 82K 82K 78643K 1525 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 13 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 272 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 1055 0 proc 69 91K 128K 78643K 583 0 subproc 104 6K 6K 78643K 130 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1156 0 in_multi 85 5K 7K 78643K 147 0 ether_multi 1 0K 0K 78643K 6 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 2K 78643K 864 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 239 130K 131K 78643K 7675 0 UVM aobj 9 4K 4K 78643K 12 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 20 0 NDP 13 0K 2K 78643K 40 0 temp 136 4736K 4804K 78643K 18934 0 kqueue 12 18K 24K 78643K 76 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 44 0 41 1 0 1 1 0 8 0 rtentry 112 133 0 43 4 0 4 4 0 8 0 unpcb 136 861 0 844 12 11 1 6 0 8 0 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 108 0 108 1 1 0 1 0 8 0 tcpcb 736 733 0 725 23 17 6 17 0 8 5 arp 120 22 0 6 1 0 1 1 0 8 0 inpcb 312 1027 0 1018 13 9 4 6 0 8 3 nd6 48 30 0 9 1 0 1 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 pfstscr 40 8 0 6 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 pfrktable 1344 14 0 5 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 21 0 11 1 0 1 1 0 8 0 pfstkey 112 31 0 21 1 0 1 1 0 8 0 pfstate 336 25 0 16 2 0 2 2 0 8 0 pfrule 1360 231 0 220 2 1 1 2 0 8 0 rttmrq 48 6 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 544 0 173 29 3 26 29 0 8 1 art_table 32 545 0 173 4 0 4 4 0 8 0 art_node 16 132 0 53 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 270 0 260 1 0 1 1 0 8 0 shmpl 112 9 0 3 2 1 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2622 0 1179 91 0 91 91 0 8 0 ffsino 272 2622 0 1179 97 0 97 97 0 8 0 nchpl 144 4080 0 2433 63 0 63 63 0 8 0 uvmvnodes 80 2917 0 0 60 0 60 60 0 8 0 vnodes 224 2917 0 0 172 0 172 172 0 8 0 namei 1024 13586 0 13586 3 2 1 2 0 8 1 percpumem 16 47 0 7 1 0 1 1 0 8 0 vcpupl 2048 3 0 0 1 0 1 1 0 8 0 vmpool 560 3 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 8 0 0 1 0 1 1 0 8 0 kstatmem 264 40 0 14 2 0 2 2 0 8 0 scxspl 216 12248 0 12248 11 10 1 8 0 8 1 plimitpl 152 105 0 90 1 0 1 1 0 8 0 sigapl 424 1356 0 1311 6 0 6 6 0 8 0 futexpl 64 6745 0 6743 1 0 1 1 0 8 0 knotepl 120 352 0 0 11 0 11 11 0 8 0 kqueuepl 216 224 0 216 5 4 1 3 0 8 0 pipepl 336 251 0 223 6 3 3 6 0 8 0 fdescpl 496 1340 0 1313 5 1 4 5 0 8 0 filepl 152 6899 0 6652 24 10 14 15 0 8 4 lockfpl 104 307 0 304 2 1 1 2 0 8 0 lockfspl 48 54 0 51 1 0 1 1 0 8 0 sessionpl 144 26 0 9 1 0 1 1 0 8 0 pgrppl 48 26 0 9 1 0 1 1 0 8 0 ucredpl 96 504 0 492 1 0 1 1 0 8 0 zombiepl 144 1313 0 1311 2 1 1 1 0 8 0 processpl 1064 1356 0 1311 4 0 4 4 0 8 0 procpl 672 3051 0 2994 8 2 6 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 5 0 5 2 2 0 1 0 8 0 sockpl 480 1932 0 1903 46 37 9 21 0 8 5 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 187 0 0 23 0 23 23 0 8 1 mtagpl 96 81 0 0 2 0 2 2 0 8 0 mbufpl 256 355 0 0 21 0 21 21 0 8 0 bufpl 288 4854 0 146 337 0 337 337 0 8 0 anonpl 24 241427 0 227055 133 19 114 126 0 186 4 amapchunkpl 152 21013 0 20360 38 5 33 36 0 158 2 amappl16 200 3256 0 2722 39 10 29 39 0 8 0 amappl15 192 487 0 483 1 0 1 1 0 8 0 amappl14 184 135 0 132 1 0 1 1 0 8 0 amappl13 176 96 0 92 1 0 1 1 0 8 0 amappl12 168 219 0 212 1 0 1 1 0 8 0 amappl11 160 87 0 68 1 0 1 1 0 8 0 amappl10 152 41 0 33 1 0 1 1 0 8 0 amappl9 144 540 0 536 1 0 1 1 0 8 0 amappl8 136 821 0 773 2 0 2 2 0 8 0 amappl7 128 343 0 329 1 0 1 1 0 8 0 amappl6 120 256 0 239 2 1 1 2 0 8 0 amappl5 112 691 0 675 1 0 1 1 0 8 0 amappl4 104 998 0 972 2 0 2 2 0 8 0 amappl3 96 3438 0 3391 2 0 2 2 0 8 0 amappl2 88 1825 0 1765 3 0 3 3 0 8 0 amappl1 80 33495 0 32877 20 5 15 20 0 8 0 amappl 88 7167 0 7005 6 1 5 5 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 11 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1343 0 1313 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1343 0 1313 1 0 1 1 0 8 0 vmmpekpl 168 14778 0 14730 3 0 3 3 0 8 0 vmmpepl 168 131883 0 129508 149 29 120 134 0 357 6 vmsppl 368 1342 0 1313 5 1 4 4 0 8 0 rwobjpl 56 36135 0 31691 65 1 64 64 0 8 0 pdppl 4096 2693 0 2629 134 62 72 81 0 8 8 pvpl 32 581153 0 562135 253 62 191 242 0 265 7 pmappl 248 1342 0 1313 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 801 0 100 21 0 21 21 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(ffffffff8296e3c0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff8296e3c0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff8296e3b0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd8063325078,ffff800021256478,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1247 uvn_get(fffffd8063325078,0,ffff800021256538,ffff800021256508,0,0,58bdb0f977e99217,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1080 uvm_fault_lower(ffff8000212566a0,ffff8000212566d8,ffff800021256620,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd807db00300,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff800021256830,20001000) at kpageflttrap+0x209 kerntrap(ffff800021256830) 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,ffff800021256ca0,1,ffff8000211567e8) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f689b88,c0284457,ffff800021256ca0,1,fffffd807f7d7660,ffff8000211567e8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd806392d8f0,c0284457,ffff800021256ca0,ffff8000211567e8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000211567e8,ffff800021256db8,ffff800021256e10) at sys_ioctl+0x4a2 syscall(ffff800021256e80) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021256e80) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1b72a6db6f0, 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 __mp_lock(ffffffff82ad5b38) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ad5b38) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002af3e900) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff80002af3e900) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc0910, count: -6