witness: lock order reversal: 1st 0xffffffff8294c010 pf_lock (pf_lock) 2nd 0xffffffff82944ee0 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 data w1 -> w2 missing 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(ffffffff82944ee0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff82944ee0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff82944ed0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd805aba5890,ffff80002e2200b8,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd805aba5890,1000,ffff80002e220178,ffff80002e220148,0,2,d5b0a9c891e1afc5,0) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff80002e2202e0,ffff80002e220318,ffff80002e220260,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd8064a50478,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002e220470,20001000) at kpageflttrap+0x209 kerntrap(ffff80002e220470) 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,ffff80002e2208e0,1,ffff80002121f508) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f6828e8,c0284457,ffff80002e2208e0,1,fffffd807f7d7600,ffff80002121f508) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8065095688,c0284457,ffff80002e2208e0,ffff80002121f508) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002121f508,ffff80002e2209f8,ffff80002e220a50) at sys_ioctl+0x4a2 syscall(ffff80002e220ac0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e220ac0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3751306a2f0, count: -17 ddb{0}> show registers rdi 0x3 rsi 0xffffffff82962980 __sancov_gen_cov_switch_values.134 rbp 0xffff80002e21fe80 rbx 0x3 rdx 0 rcx 0 rax 0xffff80002121f508 r8 0xffff80002e21fe40 r9 0x8080808080808080 r10 0x21e3b190de65b15c r11 0xe30d294a7e0b379c r12 0xffffffff82ac8170 w_lodata+0x52800 r13 0 r14 0 r15 0xfffffd8002f78840 rip 0xffffffff81978268 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e21fe70 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) pid=174017 stat=onproc flags process=0 proc=4000000 pri=17, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff80002121ed28,0xffff80002121e018 process=0xffff8000fffedd38 user=0xffff80002e21b000, vmspace=0xfffffd8064a50478 estcpu=34, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1374 230134 51939 0 3 0x80 nanoslp syz-executor.0 1374 374192 51939 0 3 0x4000080 fsleep syz-executor.0 81851 387630 90553 0 2 0 syz-executor.5 81851 145220 90553 0 3 0x4000080 nanoslp syz-executor.5 81851 42028 90553 0 3 0x4000080 fsleep syz-executor.5 43188 80215 31526 0 3 0x80 nanoslp syz-executor.3 43188 37026 31526 0 3 0x4000080 fsleep syz-executor.3 43188 385729 31526 0 3 0x4000080 fsleep syz-executor.3 80388 251147 61898 0 2 0x1 syz-executor.2 *80388 174017 61898 0 7 0x4000000 syz-executor.2 31526 183064 58434 0 3 0x82 nanoslp syz-executor.3 56695 500561 58434 0 3 0x82 nanoslp syz-executor.6 82485 434034 58434 0 3 0x82 nanoslp syz-executor.4 2148 235258 58434 0 3 0x2 biowait syz-executor.1 51939 61434 58434 0 3 0x82 nanoslp syz-executor.0 90553 510766 58434 0 3 0x82 nanoslp syz-executor.5 98793 169035 58434 0 3 0x82 nanoslp syz-executor.7 61898 47702 58434 0 3 0x82 nanoslp syz-executor.2 11953 470392 1 0 3 0x100083 ttyin getty 39358 500929 0 0 3 0x14200 acct acct 25729 316607 0 0 3 0x14280 nfsidl nfsio 29595 422667 0 0 3 0x14280 nfsidl nfsio 88837 89905 0 0 3 0x14280 nfsidl nfsio 26844 302110 0 0 3 0x14280 nfsidl nfsio 19854 255816 0 0 3 0x14280 nfsidl nfsio 92657 494473 0 0 3 0x14280 nfsidl nfsio 19982 26558 0 0 3 0x14280 nfsidl nfsio 69963 25271 0 0 3 0x14280 nfsidl nfsio 27428 519372 0 0 3 0x14280 nfsidl nfsio 22828 335200 0 0 3 0x14280 nfsidl nfsio 92575 343234 0 0 3 0x14280 nfsidl nfsio 45456 204491 0 0 3 0x14280 nfsidl nfsio 38650 50168 0 0 3 0x14280 nfsidl nfsio 5915 72461 0 0 3 0x14280 nfsidl nfsio 20880 129249 0 0 3 0x14280 nfsidl nfsio 24475 16093 0 0 3 0x14280 nfsidl nfsio 78953 253719 0 0 3 0x14280 nfsidl nfsio 36871 91045 0 0 3 0x14280 nfsidl nfsio 33342 41355 0 0 3 0x14280 nfsidl nfsio 79705 224505 0 0 3 0x14280 nfsidl nfsio 75148 479208 0 0 3 0x14200 bored sosplice 58434 209917 58964 0 3 0x82 thrsleep syz-fuzzer 58434 500731 58964 0 3 0x4000082 nanoslp syz-fuzzer 58434 169330 58964 0 3 0x4000082 thrsleep syz-fuzzer 58434 516786 58964 0 3 0x4000082 nanoslp syz-fuzzer 58434 361600 58964 0 3 0x4000082 thrsleep syz-fuzzer 58434 392530 58964 0 3 0x4000082 thrsleep syz-fuzzer 58434 174458 58964 0 3 0x4000082 kqread syz-fuzzer 58434 105315 58964 0 3 0x4000082 thrsleep syz-fuzzer 58434 478625 58964 0 3 0x4000082 thrsleep syz-fuzzer 58964 147032 5625 0 3 0x10008a sigsusp ksh 5625 429922 59445 0 3 0x9a kqread sshd 59445 322744 1 0 3 0x88 kqread sshd 90699 387766 46010 74 3 0x1100092 bpf pflogd 46010 508663 1 0 3 0x80 netio pflogd 82342 295106 77055 73 3 0x1100090 kqread syslogd 77055 320330 1 0 3 0x100082 netio syslogd 31871 255381 1 0 3 0x100080 kqread resolvd 22182 256834 68939 77 3 0x100092 kqread dhcpleased 79950 152473 68939 77 3 0x100092 kqread dhcpleased 68939 451843 1 0 3 0x80 kqread dhcpleased 19666 447612 0 0 3 0x14200 bored smr 59536 47977 0 0 2 0x14200 zerothread 6025 110747 0 0 3 0x14200 aiodoned aiodoned 96045 60840 0 0 3 0x14200 syncer update 74316 458864 0 0 3 0x14200 cleaner cleaner 83872 211299 0 0 3 0x14200 reaper reaper 42119 136572 0 0 3 0x14200 pgdaemon pagedaemon 51 397824 0 0 3 0x14200 bored viomb 72284 410158 0 0 3 0x40014200 acpi0 acpi0 97787 188454 0 0 7 0x40014200 idle1 57658 397092 0 0 3 0x14200 bored softnet 95857 230282 0 0 3 0x14200 bored systqmp 30517 470329 0 0 3 0x14200 bored systq 54077 168460 0 0 3 0x40014200 bored softclock 64674 206826 0 0 3 0x40014200 idle0 1 386957 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 80388 (syz-executor.2) thread 0xffff80002121f508 (174017) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a1ad58) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x198 sys/kern/kern_synch.c:437 #4 tsleep+0x12c sys/kern/kern_synch.c:158 #5 getblk+0x13c sys/kern/vfs_bio.c:1031 #6 bread+0x3a bio_doread sys/kern/vfs_bio.c:436 [inline] #6 bread+0x3a sys/kern/vfs_bio.c:481 #7 ffs_read+0x313 #8 VOP_READ+0xbf sys/kern/vfs_vops.c:227 #9 uvn_io+0x3ce #10 uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 #11 uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 #12 uvm_fault+0x248 #13 kpageflttrap+0x209 #14 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #15 alltraps_kern_meltdown+0x7b #16 copyout+0x53 #17 pfioctl+0x4516 sys/net/pf_ioctl.c:2932 #18 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 exclusive rwlock pf_lock r = 0 (0xffffffff8294c010) #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 (0xffffffff8294c070) #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 Process 2148 (syz-executor.1) thread 0xffff80002119e000 (235258) exclusive rrwlock inode r = 0 (0xfffffd806415f1b8) #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 (0xfffffd8067f5ae68) #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 cache_lookup+0x2b4 sys/kern/vfs_cache.c:224 #7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:162 #8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #10 namei+0x36a sys/kern/vfs_lookup.c:245 #11 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10237 6529K 10811K 78643K 91103 0 pcb 13 24K 28K 78643K 6554 0 rtable 242 12K 12K 78643K 6483 0 ifaddr 113 32K 39K 78643K 2642 0 sysctl 3 1K 2K 78643K 9 0 counters 62 36K 36K 78643K 1080 0 ioctlops 0 0K 4K 78643K 9284 0 iov 0 0K 40K 78643K 54011 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1780 111K 111K 78643K 27276 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 473 0 VM map 2 1K 1K 78643K 2 0 sem 23 20K 36K 78643K 3003 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 89K 78643K 46588 0 sigio 0 0K 0K 78643K 583 0 proc 73 91K 128K 78643K 5659 0 subproc 104 6K 14K 78643K 2111 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2498 0 in_multi 96 6K 7K 78643K 2633 0 ether_multi 1 0K 0K 78643K 426 0 mrt 2 0K 0K 78643K 150 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 2K 78643K 9766 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 801 1913K 1927K 78643K 263638 0 UVM aobj 131 8K 8K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2401 0 NDP 17 0K 1K 78643K 825 0 temp 165 4759K 5015K 78643K 364672 0 kqueue 12 18K 28K 78643K 2286 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 2756 0 2753 37 36 1 5 0 8 0 rtentry 112 2185 0 2078 6 2 4 4 0 8 0 unpcb 136 28947 0 28932 314 308 6 9 0 8 5 syncache 296 167 0 167 38 38 0 1 0 8 0 tcpqe 32 167 18 167 17 17 0 1 0 8 0 tcpcb 736 14997 0 14993 494 493 1 20 0 8 0 arp 120 316 0 297 1 0 1 1 0 8 0 inpcb 312 39512 0 39505 507 501 6 17 0 8 5 nd6 48 419 0 395 1 0 1 1 0 8 0 pkpcb 40 205 0 205 25 25 0 1 0 8 0 kcovpl 48 127 0 119 1 0 1 1 0 8 0 ppxss 1248 289 0 289 43 43 0 1 0 8 0 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pffrag 232 141 0 140 14 13 1 1 0 482 0 pffrnode 88 141 0 140 14 13 1 1 0 8 0 pffrent 40 494 0 493 15 14 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 12 0 11 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 40 0 36 1 0 1 1 0 8 0 pfstkey 112 174 0 170 1 0 1 1 0 8 0 pfstate 336 106 0 103 2 0 2 2 0 8 0 pfrule 1360 116 0 108 3 2 1 2 0 8 0 rttmrq 48 165 0 161 1 0 1 1 0 8 0 rttmr 72 33 0 33 10 10 0 1 0 8 0 art_heap8 4096 7 0 6 6 5 1 3 0 8 0 art_heap4 256 8929 0 8496 62 34 28 30 0 8 0 art_table 32 8936 0 8502 5 1 4 4 0 8 0 art_node 16 2069 0 1976 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 2 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 2988 0 2967 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 71808 0 70247 98 0 98 98 0 8 0 ffsino 272 71808 0 70247 105 0 105 105 0 8 0 nchpl 144 140416 0 138758 63 0 63 63 0 8 0 uvmvnodes 80 8194 0 0 168 0 168 168 0 8 0 vnodes 224 8194 0 0 482 0 482 482 0 8 0 namei 1024 503815 0 503815 15 14 1 2 0 8 1 percpumem 16 552 0 509 1 0 1 1 0 8 0 vcpupl 2048 438 0 0 55 0 55 55 0 8 0 vmpool 560 512 0 74 32 0 32 32 0 8 0 pfiaddrpl 120 7 0 7 1 1 0 1 0 8 0 kstatmem 264 1052 0 1018 7 4 3 3 0 8 0 scsiplug 72 29 0 29 10 10 0 1 0 8 0 scxspl 216 390324 0 390323 34 33 1 8 0 8 0 plimitpl 152 6127 0 6112 1 0 1 1 0 8 0 sigapl 424 46680 0 46614 8 0 8 8 0 8 0 futexpl 64 491972 0 491968 8 7 1 1 0 8 0 knotepl 120 2072 0 0 12 1 11 12 0 8 0 kqueuepl 216 9749 0 9741 182 181 1 8 0 8 0 pipepl 336 9345 0 9317 238 235 3 8 0 8 0 fdescpl 496 46635 0 46608 5 0 5 5 0 8 0 filepl 152 335754 0 335506 441 424 17 24 0 8 7 lockfpl 104 62087 0 62082 101 100 1 4 0 8 0 lockfspl 48 13844 0 13839 2 1 1 2 0 8 0 sessionpl 144 147 0 130 1 0 1 1 0 8 0 pgrppl 48 399 0 382 1 0 1 1 0 8 0 ucredpl 96 34039 0 34026 1 0 1 1 0 8 0 zombiepl 144 46617 0 46614 5 4 1 1 0 8 0 processpl 1064 46680 0 46614 5 0 5 5 0 8 0 procpl 672 117030 0 116950 29 21 8 9 0 8 0 srpgc 96 166 0 166 55 55 0 1 0 8 0 sosppl 168 232 0 232 35 35 0 1 0 8 0 sockpl 480 71448 0 71418 1537 1518 19 36 0 8 14 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 11 0 0 2 0 2 2 0 8 0 mcl9k 9216 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 613 0 0 43 6 37 38 0 8 0 mtagpl 96 2183 0 0 24 1 23 23 0 8 0 mbufpl 256 9201 0 0 475 0 475 475 0 8 0 bufpl 288 77098 0 68903 586 0 586 586 0 8 0 anonpl 24 8607399 0 8586889 521 386 135 158 0 186 1 amapchunkpl 152 738894 0 738032 176 139 37 55 0 158 0 amappl16 200 117214 0 116494 339 299 40 53 0 8 0 amappl15 192 9312 0 9305 1 0 1 1 0 8 0 amappl14 184 2557 0 2550 1 0 1 1 0 8 0 amappl13 176 7134 0 7132 1 0 1 1 0 8 0 amappl12 168 6835 0 6828 1 0 1 1 0 8 0 amappl11 160 4704 0 4684 3 2 1 2 0 8 0 amappl10 152 5038 0 5026 1 0 1 1 0 8 0 amappl9 144 7343 0 7339 1 0 1 1 0 8 0 amappl8 136 9375 0 9122 9 0 9 9 0 8 0 amappl7 128 6187 0 6171 1 0 1 1 0 8 0 amappl6 120 7956 0 7926 2 1 1 2 0 8 0 amappl5 112 40695 0 40675 1 0 1 1 0 8 0 amappl4 104 12139 0 12098 5 3 2 2 0 8 0 amappl3 96 143568 0 143516 2 0 2 2 0 8 0 amappl2 88 58144 0 58057 6 3 3 3 0 8 0 amappl1 80 1081789 0 1081157 36 21 15 20 0 8 0 amappl 88 250049 0 249722 11 2 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 47147 0 46682 4 1 3 3 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 47147 0 46682 4 1 3 3 0 8 0 vmmpekpl 168 287774 0 287659 6 0 6 6 0 8 0 vmmpepl 168 4548746 0 4544382 636 408 228 237 0 357 8 vmsppl 368 47146 0 46682 45 2 43 43 0 8 0 rwobjpl 56 1048577 0 1038138 200 51 149 149 0 8 0 pdppl 4096 94301 0 93802 2003 1496 507 509 0 8 8 pvpl 32 17099957 0 17076746 971 765 206 268 0 265 1 pmappl 248 47146 0 46682 31 1 30 30 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 4752 0 2790 58 1 57 57 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(ffffffff82944ee0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff82944ee0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff82944ed0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd805aba5890,ffff80002e2200b8,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd805aba5890,1000,ffff80002e220178,ffff80002e220148,0,2,d5b0a9c891e1afc5,0) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff80002e2202e0,ffff80002e220318,ffff80002e220260,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd8064a50478,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002e220470,20001000) at kpageflttrap+0x209 kerntrap(ffff80002e220470) 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,ffff80002e2208e0,1,ffff80002121f508) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f6828e8,c0284457,ffff80002e2208e0,1,fffffd807f7d7600,ffff80002121f508) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8065095688,c0284457,ffff80002e2208e0,ffff80002121f508) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002121f508,ffff80002e2209f8,ffff80002e220a50) at sys_ioctl+0x4a2 syscall(ffff80002e220ac0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e220ac0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3751306a2f0, 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