witness: lock order reversal: 1st 0xffffffff82968010 pf_lock (pf_lock) 2nd 0xffffffff829323b0 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(ffffffff829323b0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff829323b0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff829323a0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd8074811510,ffff80002403d6f8,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd8074811510,0,ffff80002403d7b8,ffff80002403d788,0,0,d90baeaa487cddf,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff80002403d920,ffff80002403d958,ffff80002403d8a0,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd80684a7308,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002403dab0,20001000) at kpageflttrap+0x209 kerntrap(ffff80002403dab0) 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,ffff80002403df20,1,ffff800021157ce8) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f68b808,c0284457,ffff80002403df20,1,fffffd807f7d75a0,ffff800021157ce8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80666211d8,c0284457,ffff80002403df20,ffff800021157ce8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021157ce8,ffff80002403e038,ffff80002403e090) at sys_ioctl+0x4a2 syscall(ffff80002403e100) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002403e100) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc3d71175c00, count: -17 ddb{0}> show registers rdi 0x3 rsi 0x40000 acpi_pdirpa+0x2be68 rbp 0xffff80002403d4c0 rbx 0x3 rdx 0xffff800000bdfe40 rcx 0 rax 0x3ffff acpi_pdirpa+0x2be67 r8 0xffff80002403d430 r9 0x8080808080808080 r10 0xb7b0e0722b1842c4 r11 0xbf5582f9ab6f7831 r12 0xffffffff82b8dea0 w_lodata+0x52b70 r13 0 r14 0xffffffff82b7dd80 w_lodata+0x42a50 r15 0xfffffd8002f7a840 rip 0xffffffff818222c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002403d4b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=354130 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000211562a8,0xffff800021157a58 process=0xffff8000ffff8c80 user=0xffff800024039000, vmspace=0xfffffd80684a7308 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26744 117784 53014 0 2 0 syz-executor.6 89637 328582 69437 0 2 0 syz-executor.7 *89637 354130 69437 0 7 0x4000000 syz-executor.7 22105 457052 1014 0 2 0 syz-executor.3 22105 316479 1014 0 3 0x4000080 netio syz-executor.3 22105 301399 1014 0 2 0x4000000 syz-executor.3 22105 356020 1014 0 3 0x4000000 inode syz-executor.3 39772 358736 63720 0 3 0x80 nanoslp syz-executor.2 39772 443692 63720 0 3 0x4000080 fifow syz-executor.2 39772 491008 63720 0 3 0x4000080 fsleep syz-executor.2 27392 485241 63711 0 2 0 syz-executor.1 27392 261086 63711 0 3 0x4000080 fsleep syz-executor.1 10566 193830 50704 0 3 0x4003000 suspend syz-executor.4 10566 371390 50704 0 2 0x4081000 syz-executor.4 69437 448513 10444 0 3 0x82 nanoslp syz-executor.7 50704 301223 10444 0 3 0x82 nanoslp syz-executor.4 91455 352763 10444 0 2 0x2 syz-executor.0 43544 473596 0 0 3 0x14200 acct acct 1014 156307 10444 0 3 0x82 nanoslp syz-executor.3 26466 225400 0 0 3 0x14280 nfsidl nfsio 96546 85187 0 0 3 0x14280 nfsidl nfsio 19356 40763 0 0 3 0x14280 nfsidl nfsio 33573 27479 0 0 3 0x14280 nfsidl nfsio 77243 257162 0 0 3 0x14280 nfsidl nfsio 78356 279984 0 0 3 0x14280 nfsidl nfsio 76451 399182 0 0 3 0x14280 nfsidl nfsio 17624 117166 0 0 3 0x14280 nfsidl nfsio 38546 11084 0 0 3 0x14280 nfsidl nfsio 95257 166433 0 0 3 0x14280 nfsidl nfsio 5119 109956 0 0 3 0x14280 nfsidl nfsio 7543 270354 0 0 3 0x14280 nfsidl nfsio 28688 249624 0 0 3 0x14280 nfsidl nfsio 1643 446728 0 0 3 0x14280 nfsidl nfsio 49702 71749 0 0 3 0x14280 nfsidl nfsio 20733 61086 0 0 3 0x14280 nfsidl nfsio 19531 126821 0 0 3 0x14280 nfsidl nfsio 6423 496303 0 0 3 0x14280 nfsidl nfsio 15073 490389 0 0 3 0x14280 nfsidl nfsio 96738 454217 0 0 3 0x14280 nfsidl nfsio 12312 15922 10444 0 3 0x82 nanoslp syz-executor.5 63711 398728 10444 0 2 0x2 syz-executor.1 63720 515098 10444 0 7 0x2 syz-executor.2 80960 145540 0 0 3 0x14200 bored sosplice 53014 35040 10444 0 2 0x2 syz-executor.6 10444 263972 9211 0 3 0x82 thrsleep syz-fuzzer 10444 15916 9211 0 3 0x4000082 nanoslp syz-fuzzer 10444 219761 9211 0 3 0x4000082 thrsleep syz-fuzzer 10444 156877 9211 0 3 0x4000082 thrsleep syz-fuzzer 10444 72497 9211 0 3 0x4000082 kqread syz-fuzzer 10444 110581 9211 0 3 0x4000082 thrsleep syz-fuzzer 10444 370410 9211 0 3 0x4000082 thrsleep syz-fuzzer 10444 462221 9211 0 3 0x4000082 thrsleep syz-fuzzer 10444 355868 9211 0 3 0x4000082 thrsleep syz-fuzzer 9211 330101 20417 0 3 0x10008a sigsusp ksh 20417 249101 95619 0 3 0x9a kqread sshd 8888 222784 1 0 3 0x100083 ttyin getty 95619 54018 1 0 3 0x88 kqread sshd 21042 217432 20146 74 3 0x1100092 bpf pflogd 20146 417925 1 0 3 0x80 netio pflogd 56222 218975 1182 73 3 0x1100090 kqread syslogd 1182 386039 1 0 3 0x100082 netio syslogd 74416 264432 1 0 3 0x100080 kqread resolvd 21046 511344 48042 77 3 0x100092 kqread dhcpleased 78770 145950 48042 77 3 0x100092 kqread dhcpleased 48042 200963 1 0 3 0x80 kqread dhcpleased 89625 434143 0 0 3 0x14200 bored smr 52012 486985 0 0 2 0x14200 zerothread 90453 132202 0 0 3 0x14200 aiodoned aiodoned 82303 252659 0 0 3 0x14200 syncer update 32639 83987 0 0 3 0x14200 cleaner cleaner 54105 401656 0 0 3 0x14200 reaper reaper 61595 508805 0 0 3 0x14200 pgdaemon pagedaemon 36463 73455 0 0 3 0x14200 bored viomb 98087 90280 0 0 3 0x40014200 acpi0 acpi0 94403 506220 0 0 3 0x40014200 idle1 91519 241808 0 0 3 0x14200 bored softnet 93484 21311 0 0 3 0x14200 bored systqmp 17531 310194 0 0 3 0x14200 bored systq 67654 298998 0 0 3 0x40014200 bored softclock 66925 159133 0 0 3 0x40014200 idle0 1 378349 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 89637 (syz-executor.7) thread 0xffff800021157ce8 (354130) exclusive rwlock pf_lock r = 0 (0xffffffff82968010) #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 (0xffffffff82968070) #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 (0xffffffff82ae5250) #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 22105 (syz-executor.3) thread 0xffff8000211577a8 (316479) exclusive rrwlock inode r = 0 (0xfffffd8065a8e2c0) #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 22105 (syz-executor.3) thread 0xffff800021157a48 (356020) exclusive rrwlock inode r = 0 (0xfffffd8065a8ef80) #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+0x100 sys/kern/vfs_syscalls.c:2992 #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 10207 6561K 6865K 78643K 16320 0 pcb 13 14K 16K 78643K 472 0 rtable 227 8K 12K 78643K 1076 0 ifaddr 89 20K 21K 78643K 619 0 sysctl 2 0K 0K 78643K 2 0 counters 56 35K 35K 78643K 246 0 ioctlops 0 0K 4K 78643K 2055 0 iov 0 0K 16K 78643K 347 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1337 83K 84K 78643K 3093 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 53 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 751 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 16 57K 89K 78643K 4700 0 sigio 1 0K 0K 78643K 342 0 proc 70 91K 128K 78643K 1037 0 subproc 104 6K 6K 78643K 299 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 145 0 in_multi 92 6K 6K 78643K 344 0 ether_multi 1 0K 0K 78643K 39 0 mrt 0 0K 0K 78643K 24 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 163 731K 731K 78643K 163 0 exec 0 0K 2K 78643K 1295 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 364 545K 545K 78643K 29285 0 UVM aobj 124 4K 4K 78643K 127 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 155 0 NDP 12 0K 2K 78643K 154 0 temp 133 4736K 4854K 78643K 43346 0 kqueue 12 18K 26K 78643K 765 0 SYN cache 2 2352K 2360K 78643K 3 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 120 311 0 308 6 5 1 3 0 8 0 rtentry 112 301 0 201 5 1 4 4 0 8 0 unpcb 136 4096 0 4077 29 25 4 6 0 8 3 syncache 296 25 0 25 8 8 0 1 0 8 0 tcpqe 32 83 0 83 3 3 0 1 0 8 0 tcpcb 736 4435 0 4430 95 88 7 20 0 8 6 arp 120 50 0 31 1 0 1 1 0 8 0 inpcb 312 7542 0 7534 51 45 6 12 0 8 5 nd6 48 74 0 51 1 0 1 1 0 8 0 pkpcb 40 72 0 72 2 2 0 1 0 8 0 kcovpl 48 23 0 15 1 0 1 1 0 8 0 ppxss 1248 72 0 72 3 3 0 1 0 8 0 pfstscr 40 3 0 3 1 1 0 1 0 8 0 pffrag 232 18 0 17 2 1 1 1 0 482 0 pffrnode 88 18 0 17 2 1 1 1 0 8 0 pffrent 40 69 0 68 2 1 1 1 0 8 0 pfosfp 40 1431 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1431 0 714 21 0 21 21 0 8 0 pfrktable 1344 49 0 45 2 1 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 38 0 36 1 0 1 1 0 8 0 pfstkey 112 44 0 42 1 0 1 1 0 8 0 pfstate 336 41 0 39 3 2 1 3 0 8 0 pfrule 1360 149 0 128 3 1 2 2 0 8 0 rttmrq 48 22 0 18 1 0 1 1 0 8 0 rttmr 72 6 0 6 2 2 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1305 0 884 34 7 27 29 0 8 0 art_table 32 1306 0 884 4 0 4 4 0 8 0 art_node 16 300 0 211 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 0 1 0 1 1 0 8 0 semapl 112 749 0 739 1 0 1 1 0 8 0 shmpl 112 124 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7306 0 5848 92 0 92 92 0 8 0 ffsino 272 7306 0 5848 98 0 98 98 0 8 0 nchpl 144 13431 0 11786 63 0 63 63 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 42647 0 42645 3 2 1 2 0 8 0 percpumem 16 135 0 95 1 0 1 1 0 8 0 vcpupl 2048 98 0 1 13 0 13 13 0 8 0 vmpool 560 108 0 11 8 0 8 8 0 8 1 pfiaddrpl 120 22 0 18 3 2 1 1 0 8 0 kstatmem 264 214 0 190 2 0 2 2 0 8 0 scxspl 216 37883 0 37883 13 12 1 8 0 8 1 plimitpl 152 1635 0 1620 1 0 1 1 0 8 0 sigapl 424 5012 0 4946 8 0 8 8 0 8 0 futexpl 64 43033 0 43031 1 0 1 1 0 8 0 knotepl 120 576 0 0 15 0 15 15 0 8 0 kqueuepl 216 1337 0 1329 21 20 1 5 0 8 0 pipepl 336 1442 0 1414 33 29 4 8 0 8 1 fdescpl 496 4973 0 4944 6 2 4 5 0 8 0 filepl 152 32230 0 31984 53 38 15 22 0 8 5 lockfpl 104 2483 0 2480 6 5 1 2 0 8 0 lockfspl 48 629 0 626 1 0 1 1 0 8 0 sessionpl 144 39 0 22 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 96 2785 0 2771 1 0 1 1 0 8 0 zombiepl 144 4948 0 4946 1 0 1 1 0 8 0 processpl 1064 5012 0 4946 5 0 5 5 0 8 0 procpl 672 13724 0 13641 12 4 8 9 0 8 0 srpgc 96 8 0 8 3 3 0 1 0 8 0 sosppl 168 9 0 9 2 2 0 1 0 8 0 sockpl 480 12028 0 11998 212 199 13 29 0 8 9 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 16 0 0 2 0 2 2 0 8 0 mcl12k 12288 24 0 0 2 0 2 2 0 8 0 mcl9k 9216 8 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 18 0 0 3 1 2 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 166 0 0 20 0 20 20 0 8 0 mtagpl 96 271 0 0 7 0 7 7 0 8 0 mbufpl 256 1481 0 0 92 0 92 92 0 8 0 bufpl 288 9918 0 3585 453 0 453 453 0 8 0 anonpl 24 917092 0 899476 156 45 111 132 0 186 0 amapchunkpl 152 81591 0 80887 37 7 30 33 0 158 0 amappl16 200 12110 0 11540 67 36 31 43 0 8 0 amappl15 192 447 0 443 1 0 1 1 0 8 0 amappl14 184 286 0 283 1 0 1 1 0 8 0 amappl13 176 1010 0 1008 1 0 1 1 0 8 0 amappl12 168 320 0 315 1 0 1 1 0 8 0 amappl11 160 1166 0 1143 2 0 2 2 0 8 0 amappl10 152 1203 0 1194 1 0 1 1 0 8 0 amappl9 144 669 0 663 1 0 1 1 0 8 0 amappl8 136 1135 0 1063 3 0 3 3 0 8 0 amappl7 128 423 0 411 1 0 1 1 0 8 0 amappl6 120 490 0 472 2 1 1 2 0 8 0 amappl5 112 4614 0 4592 1 0 1 1 0 8 0 amappl4 104 3114 0 3087 2 0 2 2 0 8 0 amappl3 96 14352 0 14304 2 0 2 2 0 8 0 amappl2 88 6507 0 6446 3 1 2 3 0 8 0 amappl1 80 119609 0 118952 23 8 15 20 0 8 0 amappl 88 28477 0 28262 7 1 6 6 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 72 126 0 3 3 0 3 3 0 8 0 uaddrrnd 24 5081 0 4955 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5081 0 4955 1 0 1 1 0 8 0 vmmpekpl 168 40892 0 40825 4 0 4 4 0 8 0 vmmpepl 168 485313 0 482529 236 106 130 181 0 357 2 vmsppl 368 5080 0 4955 12 0 12 12 0 8 0 rwobjpl 56 123101 0 115401 118 8 110 113 0 8 1 pdppl 4096 10169 0 10007 355 189 166 166 0 8 4 pvpl 32 1961148 0 1938955 325 138 187 242 0 265 3 pmappl 248 5080 0 4955 8 0 8 8 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1375 0 366 30 0 30 30 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(ffffffff829323b0,9,0) at witness_checkorder+0x10b7 witness_debugger sys/kern/subr_witness.c:2502 [inline] witness_checkorder(ffffffff829323b0,9,0) at witness_checkorder+0x10b7 sys/kern/subr_witness.c:1105 rw_enter_write(ffffffff829323a0) at rw_enter_write+0x5b sys/kern/kern_rwlock.c:128 uvn_io(fffffd8074811510,ffff80002403d6f8,1,202,0) at uvn_io+0x418 sys/uvm/uvm_vnode.c:1245 uvn_get(fffffd8074811510,0,ffff80002403d7b8,ffff80002403d788,0,0,d90baeaa487cddf,1) at uvn_get+0x1df sys/uvm/uvm_vnode.c:1078 uvm_fault_lower(ffff80002403d920,ffff80002403d958,ffff80002403d8a0,0) at uvm_fault_lower+0x36c sys/uvm/uvm_fault.c:1275 uvm_fault(fffffd80684a7308,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff80002403dab0,20001000) at kpageflttrap+0x209 kerntrap(ffff80002403dab0) 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,ffff80002403df20,1,ffff800021157ce8) at pfioctl+0x4516 sys/net/pf_ioctl.c:2932 VOP_IOCTL(fffffd806f68b808,c0284457,ffff80002403df20,1,fffffd807f7d75a0,ffff800021157ce8) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80666211d8,c0284457,ffff80002403df20,ffff800021157ce8) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff800021157ce8,ffff80002403e038,ffff80002403e090) at sys_ioctl+0x4a2 syscall(ffff80002403e100) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002403e100) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc3d71175c00, 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(ffffffff82ae5048) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82ae5048) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff80002c169d80) at syscall+0x3ef mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff80002c169d80) at syscall+0x3ef sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffdf880, count: -6