witness: lock order reversal: 1st 0xffffffff839d8e68 pf_lock (pf_lock) 2nd 0xffffffff83983180 netlock (netlock) lock order [1] pf_lock (pf_lock) -> [2] netlock (netlock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 #2 uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 #3 uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 #4 uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 #7 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532 #8 alltraps_kern_meltdown+0x7b #9 _copyin+0x5b #10 pfioctl+0x1377 sys/net/pf_ioctl.c:3284 #11 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #12 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #13 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #15 Xsyscall+0x128 lock order [2] netlock (netlock) -> [1] pf_lock (pf_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 pfi_attach_ifgroup+0x2a sys/net/pf_if.c:357 #2 if_addgroup+0x2f8 if_creategroup sys/net/if.c:3059 [inline] #2 if_addgroup+0x2f8 sys/net/if.c:3097 #3 if_attachsetup+0xcf sys/net/if.c:512 #4 if_attach+0x6d sys/net/if.c:604 #5 vio_attach+0x1853 sys/dev/pv/if_vio.c:935 #6 config_attach+0x449 sys/kern/subr_autoconf.c:421 #7 virtio_pci_attach+0x52c sys/dev/pci/virtio_pci.c:675 #8 config_attach+0x449 sys/kern/subr_autoconf.c:421 #9 pci_probe_device+0x8e5 sys/dev/pci/pci.c:574 #10 pci_enumerate_bus+0x368 sys/dev/pci/pci.c:877 #11 config_attach+0x449 sys/kern/subr_autoconf.c:421 #12 acpipci_attach_bus+0x381 sys/arch/amd64/pci/acpipci.c:257 #13 acpipci_attach_busses+0x93 sys/arch/amd64/pci/acpipci.c:265 #14 mainbus_attach+0x304 sys/arch/amd64/amd64/mainbus.c:222 #15 config_attach+0x449 sys/kern/subr_autoconf.c:421 #16 cpu_configure+0x47 sys/arch/amd64/amd64/autoconf.c:124 #17 main+0x4c7 sys/kern/init_main.c:345 Stopped at db_enter+0x25: 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}> show kasan No such command ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83983180,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffffffff83983168,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvn_io(fffff5806cdacce0,ffff80003939ce98,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 uvn_get(fffff5806cdacce0,0,ffff80003939cf68,ffff80003939cf4c,0,1,f000a23cfbb9b797,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 uvm_fault_lower_io(ffff80003939d180,ffff80003939d1b8,ffff80003939d000,ffff80003939cfe8) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 uvm_fault_lower(ffff80003939d180,ffff80003939d1b8,ffff80003939d100) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 uvm_fault(fffff5806cd1eb90,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003939d330,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 kerntrap(ffff80003939d330) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x5b pfioctl(14900,c4504441,ffff80000160f800,1,ffff800045fee2b0) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284 VOP_IOCTL(fffff5806cb802a0,c4504441,ffff80000160f800,1,fffff580097fd208,ffff800045fee2b0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffff5806ab2c868,c4504441,ffff80000160f800,ffff800045fee2b0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff800045fee2b0,ffff80003939dee0,ffff80003939de30) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003939dee0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003939dee0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x951d0f715e0, count: -18 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003939cc50 rbx 0 rdx 0xffff800001601840 rcx 0xffff800045fee2b0 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003939cb30 r9 0x8080808080808080 r10 0x9bc29b909a2939d r11 0x1bbb9d24ca4b9c75 r12 0xfffff580040da2c0 r13 0xfffff580048c9928 r14 0x3 r15 0xffffffff8353aa56 substchar+0x608e rip 0xffffffff83200c75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003939cc40 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=521359 pid=97567 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045fef240,0xffff800045feed20 process=0xffff80003c3c1380 user=0xffff800039398000, vmspace=0xfffff5806cd1eb90 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 97567 146001 79020 0 7 0 0x1 syz-executor *97567 521359 79020 0 7 0 0x4000000 syz-executor 3445 397612 64578 60929 2 0x10 0 syz-executor 3445 396990 64578 60929 3 0x10 0x4000080 fsleep syz-executor 73218 50736 23075 0 2 0 0 syz-executor 73218 354767 23075 0 2 0 0x4000000 syz-executor 73218 101971 23075 0 3 0 0x4000080 fsleep syz-executor 10718 381238 9780 0 2 0 0 syz-executor 10718 472406 9780 0 3 0 0x4000080 piperd syz-executor 10718 340396 9780 0 2 0 0x4000000 syz-executor 59254 276706 38794 0 2 0 0 syz-executor 59254 220338 38794 0 2 0 0x4000000 syz-executor 85397 241770 74604 0 2 0 0 syz-executor 85397 247253 74604 0 3 0 0x4000080 kqread syz-executor 85397 498970 74604 0 3 0 0x4000080 sbwait syz-executor 85397 308731 74604 0 2 0 0x4000000 syz-executor 66668 133850 27063 0 3 0x100002 0x80 sbwait arp 27063 222274 27138 0 3 0x100002 0x88 sigsusp sh 9780 473856 3953 0 2 0x2 0 syz-executor 23075 138713 3953 0 3 0x2 0x80 nanoslp syz-executor 30023 269079 3953 0 2 0x2 0 syz-executor 64578 197449 3953 0 3 0x2 0x80 nanoslp syz-executor 79020 487047 3953 0 3 0x2 0x80 nanoslp syz-executor 74604 232927 3953 0 2 0x2 0 syz-executor 38794 223810 3953 0 3 0x2 0x80 nanoslp syz-executor 27138 460647 3953 0 3 0x2 0x80 wait syz-executor 3953 107666 31309 0 3 0x2 0x80 kqread syz-executor 31309 305064 24366 0 3 0x100002 0x88 sigsusp ksh 24366 213358 7900 0 3 0x10 0x88 kqread sshd-session 7900 514671 11216 0 3 0x12 0x80 kqread sshd-session 84296 299156 1 0 3 0x100003 0x80 ttyin getty 11216 139971 1 0 3 0 0x88 kqread sshd 25744 261606 66013 74 3 0x1100012 0x80 bpf pflogd 66013 422580 1 0 3 0 0x80 sbwait pflogd 10395 393754 13695 73 3 0x1100010 0x80 kqread syslogd 13695 326884 1 0 3 0x100002 0x80 sbwait syslogd 98445 316826 1 0 3 0x100000 0x80 kqread resolvd 62402 102041 82401 77 3 0x100012 0x80 kqread dhcpleased 78158 187657 82401 77 3 0x100012 0x80 kqread dhcpleased 82401 146882 1 0 3 0 0x80 kqread dhcpleased 49972 446701 0 0 3 0x14000 0x200 bored smr 62360 195973 0 0 2 0x14000 0x200 zerothread 72531 435381 0 0 3 0x14000 0x200 aiodoned aiodoned 42018 335940 0 0 3 0x14000 0x200 syncer update 64630 488062 0 0 3 0x14000 0x200 cleaner cleaner 13387 162331 0 0 3 0x14000 0x200 reaper reaper 48834 73096 0 0 3 0x14000 0x200 pgdaemon pagedaemon 52867 502720 0 0 3 0x14000 0x200 bored viomb 15458 105452 0 0 3 0x14000 0x40000200 acpi0 acpi0 83403 78890 0 0 3 0x14000 0x40000200 idle1 5353 17680 0 0 3 0x14000 0x200 bored softnet1 21828 239508 0 0 3 0x14000 0x200 bored softnet0 52356 211320 0 0 3 0x14000 0x200 smrbar systqmp 24931 323632 0 0 3 0x14000 0x200 bored systq 38224 498357 0 0 3 0x14000 0x200 tmoslp softclockmp 8138 422852 0 0 3 0x14000 0x40000200 tmoslp softclock 78313 160018 0 0 3 0x14000 0x40000200 idle0 1 474805 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks Process 97567 (syz-executor) thread 0xffff800045fee2b0 (521359) exclusive rwlock pf_lock r = 0 (0xffffffff839d8e68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x1342 sys/net/pf_ioctl.c:3284 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff839d8ef8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2064 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83afcc00) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:520 #2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #4 Xsyscall+0x128 Process 30023 (syz-executor) thread 0xffff800045fefa08 (269079) exclusive rrwlock inode r = 0 (0xfffff5806d0be310) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:692 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x9e3 sys/kern/vfs_lookup.c:585 #11 namei+0x7c1 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffff5806d5a51e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c1 sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1807 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 52356 (systqmp) thread 0xffff800045ffe7c8 (211320) shared rwlock systqmp r = 0 (0xffffffff839ed2b8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11054 12093K 12093K 166960K 12149 0 pcb 17 12K 12K 166960K 19 0 rtable 221 6K 6K 166960K 329 0 pf 34 17K 18K 166960K 45 0 ifaddr 41 7K 7K 166960K 43 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 70 37K 37K 166960K 70 0 ioctlops 1 2K 4K 166960K 1550 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1326 83K 83K 166960K 1399 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 93K 166960K 140 0 sigio 0 0K 0K 166960K 1 0 proc 70 115K 164K 166960K 548 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1 0 in_multi 89 6K 6K 166960K 89 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 379 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 237 179K 184K 166960K 3123 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 44 88K 105K 166960K 1287 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 26 1K 1K 166960K 26 0 temp 37 9118K 9126K 166960K 5269 0 kqueue 15 24K 24K 166960K 28 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 28 0 0 1 0 1 1 0 8 0 rtpcb 120 32 0 28 1 0 1 1 0 8 0 rtentry 176 103 0 1 5 0 5 5 0 8 0 unpcb 144 46 0 27 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 11 0 4 1 0 1 1 0 8 0 arp 136 17 0 0 1 0 1 1 0 8 0 inpcb 328 75 0 62 2 0 2 2 0 8 0 nd6 152 21 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 pfstitem 24 24 0 0 1 0 1 1 0 8 0 pfstkey 128 24 0 0 1 0 1 1 0 8 0 pfstate 448 24 0 0 3 0 3 3 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 412 0 0 26 0 26 26 0 8 0 art_table 40 413 0 0 5 0 5 5 0 8 0 art_node 32 103 0 8 1 0 1 1 0 8 0 semapl 72 1 0 0 1 0 1 1 0 8 0 shmpl 120 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1575 0 104 93 0 93 93 0 8 0 ffsino 296 1575 0 104 114 0 114 114 0 8 0 nchpl 144 1781 0 79 64 0 64 64 0 8 0 vnodes 216 1701 0 0 95 0 95 95 0 8 0 namei 1024 6203 0 6203 2 0 2 2 0 8 2 percpumem 16 51 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6218 0 6218 4 3 1 3 1 8 1 plimitpl 152 32 0 14 1 0 1 1 0 8 0 sigapl 424 457 0 409 7 0 7 7 0 8 0 knotepl 120 57 0 0 2 0 2 2 0 8 0 kqueuepl 224 59 0 47 3 0 3 3 0 8 2 pipepl 344 128 0 99 3 0 3 3 0 8 0 fdescpl 528 441 0 409 3 0 3 3 0 8 0 filepl 160 1685 0 1453 13 0 13 13 0 8 1 lockfpl 104 9 0 6 1 0 1 1 0 8 0 lockfspl 48 6 0 3 1 0 1 1 0 8 0 sessionpl 144 26 0 16 1 0 1 1 0 8 0 pgrppl 48 34 0 16 1 0 1 1 0 8 0 ucredpl 104 104 0 90 1 0 1 1 0 8 0 zombiepl 144 409 0 409 1 0 1 1 0 8 1 processpl 1240 457 0 409 5 0 5 5 0 8 0 procpl 664 478 0 420 6 0 6 6 0 8 0 sockpl 752 153 0 117 4 0 4 4 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 130 0 0 17 0 17 17 0 8 0 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mextrefs 64 24 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 202 0 0 13 0 13 13 0 8 0 bufpl 272 2309 0 105 147 0 147 147 0 8 0 anonpl 32 3759 0 0 31 0 31 31 0 247 0 amapchunkpl 152 8619 0 7956 28 1 27 27 0 158 0 amappl16 200 1647 0 1633 5 0 5 5 0 8 4 amappl15 192 9 0 9 1 0 1 1 0 8 1 amappl14 184 425 0 423 1 0 1 1 0 8 0 amappl13 176 123 0 110 1 0 1 1 0 8 0 amappl12 168 689 0 658 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 0 1 1 0 8 1 amappl10 152 65 0 50 1 0 1 1 0 8 0 amappl9 144 278 0 278 1 0 1 1 0 8 1 amappl8 136 94 0 93 1 0 1 1 0 8 0 amappl7 128 144 0 130 1 0 1 1 0 8 0 amappl6 120 151 0 149 1 0 1 1 0 8 0 amappl5 112 96 0 85 1 0 1 1 0 8 0 amappl4 104 291 0 270 1 0 1 1 0 8 0 amappl3 96 1523 0 1429 3 0 3 3 0 8 0 amappl2 88 554 0 478 2 0 2 2 0 8 0 amappl1 80 10358 0 9733 16 1 15 15 0 8 0 amappl 88 2402 0 2245 4 0 4 4 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 441 0 409 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 441 0 409 1 0 1 1 0 8 0 vmmpekpl 168 5674 0 5636 2 0 2 2 0 8 0 vmmpepl 168 37882 0 35962 87 0 87 87 0 357 0 vmsppl 488 440 0 409 5 0 5 5 0 8 0 rwobjpl 80 14327 0 13281 24 0 24 24 0 8 0 pdppl 4096 889 0 818 95 10 85 85 0 8 14 pvpl 32 9526 0 0 77 0 77 77 0 265 0 pmappl 256 440 0 409 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 414 0 13 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff83983180,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffffffff83983168,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvn_io(fffff5806cdacce0,ffff80003939ce98,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 uvn_get(fffff5806cdacce0,0,ffff80003939cf68,ffff80003939cf4c,0,1,f000a23cfbb9b797,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 uvm_fault_lower_io(ffff80003939d180,ffff80003939d1b8,ffff80003939d000,ffff80003939cfe8) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 uvm_fault_lower(ffff80003939d180,ffff80003939d1b8,ffff80003939d100) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 uvm_fault(fffff5806cd1eb90,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003939d330,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 kerntrap(ffff80003939d330) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x5b pfioctl(14900,c4504441,ffff80000160f800,1,ffff800045fee2b0) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284 VOP_IOCTL(fffff5806cb802a0,c4504441,ffff80000160f800,1,fffff580097fd208,ffff800045fee2b0) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffff5806ab2c868,c4504441,ffff80000160f800,ffff800045fee2b0) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff800045fee2b0,ffff80003939dee0,ffff80003939de30) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003939dee0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003939dee0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x951d0f715e0, count: -18 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83afc400) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83afc400) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsyscall(ffff800045fef240,53,28,ffff8000377972b0) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff800045fef240,53,28,ffff8000377972b0) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff8000377972b0) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff8000377972b0) at syscall+0x305 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a4ec29596b0, count: -7