uvm_fault(fffffd806464a5d0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd806464a5d0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023fab740,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023fab740) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff80002311a028,ffff800023fab908,ffff800023fab950) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023fab9d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fab9d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc3650714fc0, count: 243 End of stack trace. Stopped at db_enter+0x18: addq $0x8,%rsp 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:398 yield() at yield+0x77 sys/kern/sched_bsd.c:304 pool_get(ffffffff828f16c8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd806464a5d0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd806464a5d0,fffffd8069073d38,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd806464a5d0,fffffd8069073d38,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd806464a5d0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd806464a5d0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023fab740,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023fab740) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff80002311a028,ffff800023fab908,ffff800023fab950) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023fab9d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fab9d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc3650714fc0, count: -14 ddb{0}> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff800023fab1c0 rbx 0x2 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff800020ee8000 rax 0xffff800000ad5f40 r8 0xffffffff820f27ff kprintf+0x16f r9 0x1 r10 0x2 r11 0x64a019947a292bc3 r12 0x1 r13 0xfffffd8063a36a18 r14 0xffff80002311a028 r15 0x3 rip 0xffffffff813b5e58 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023fab1b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=437547 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002311aec8,0xffffffff828f3448 process=0xffff800020e01af8 user=0xffff800023fa6000, vmspace=0xfffffd806464a5d0 estcpu=36, cpticks=13, pctcpu=0.0 user=0, sys=13, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 48357 430346 83115 0 2 0 syz-executor.0 *48357 437547 83115 0 7 0x4000000 syz-executor.0 28273 61356 77919 0 2 0x2 syz-executor.1 43006 281808 1 0 2 0x100083 getty 29959 116840 0 0 3 0x14280 nfsidl nfsio 66800 29393 0 0 3 0x14280 nfsidl nfsio 58625 88026 0 0 3 0x14280 nfsidl nfsio 11707 56905 0 0 3 0x14280 nfsidl nfsio 78289 304934 0 0 3 0x14280 nfsidl nfsio 62123 36996 0 0 3 0x14280 nfsidl nfsio 68588 9589 0 0 3 0x14280 nfsidl nfsio 37614 524229 0 0 3 0x14280 nfsidl nfsio 90693 478569 0 0 3 0x14280 nfsidl nfsio 74745 338707 0 0 3 0x14280 nfsidl nfsio 67497 475158 0 0 3 0x14280 nfsidl nfsio 92410 102577 0 0 3 0x14280 nfsidl nfsio 21787 130867 0 0 3 0x14280 nfsidl nfsio 59274 146692 0 0 3 0x14280 nfsidl nfsio 60635 206002 0 0 3 0x14280 nfsidl nfsio 54891 328103 0 0 3 0x14280 nfsidl nfsio 27966 159474 0 0 3 0x14280 nfsidl nfsio 74693 422834 0 0 3 0x14280 nfsidl nfsio 39551 39777 0 0 3 0x14280 nfsidl nfsio 20465 100798 0 0 3 0x14280 nfsidl nfsio 27425 374729 0 0 3 0x14200 bored sosplice 83115 134484 77919 0 2 0x482 syz-executor.0 77919 144299 68085 0 3 0x82 thrsleep syz-fuzzer 77919 467330 68085 0 2 0x4000482 syz-fuzzer 77919 295028 68085 0 3 0x4000082 thrsleep syz-fuzzer 77919 426755 68085 0 3 0x4000082 thrsleep syz-fuzzer 77919 88731 68085 0 2 0x4000482 syz-fuzzer 77919 354233 68085 0 3 0x4000082 thrsleep syz-fuzzer 77919 417096 68085 0 3 0x4000082 thrsleep syz-fuzzer 77919 203612 68085 0 3 0x4000082 thrsleep syz-fuzzer 77919 188312 68085 0 3 0x4000082 thrsleep syz-fuzzer 77919 388508 68085 0 3 0x4000082 kqread syz-fuzzer 68085 289390 17557 0 3 0x10008a pause ksh 17557 183879 52963 0 3 0x92 select sshd 52963 441167 1 0 3 0x80 select sshd 62684 174348 8120 74 3 0x100092 bpf pflogd 8120 239893 1 0 3 0x80 netio pflogd 3090 142391 3409 73 2 0x100090 syslogd 3409 183356 1 0 3 0x100082 netio syslogd 18092 394404 1 77 3 0x100090 poll dhclient 50886 129703 1 0 3 0x80 poll dhclient 79601 66328 0 0 3 0x14200 bored smr 96141 231636 0 0 2 0x14200 zerothread 23064 402639 0 0 3 0x14200 aiodoned aiodoned 63220 386290 0 0 3 0x14200 syncer update 18742 407485 0 0 3 0x14200 cleaner cleaner 36558 305102 0 0 3 0x14200 reaper reaper 9015 123684 0 0 3 0x14200 pgdaemon pagedaemon 27875 369879 0 0 3 0x14200 bored crynlk 30463 66140 0 0 3 0x14200 bored crypto 67744 498684 0 0 3 0x40014200 acpi0 acpi0 20494 440372 0 0 7 0x40014200 idle1 38386 138753 0 0 3 0x14200 bored softnet 15887 149774 0 0 3 0x14200 bored systqmp 24988 132686 0 0 3 0x14200 bored systq 50430 159541 0 0 2 0x40014200 softclock 59628 239796 0 0 3 0x40014200 idle0 1 234236 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 48357 (syz-executor.0) thread 0xffff80002311a028 (437547) exclusive rwlock vmmaplk r = 0 (0xfffffd806464a5e8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 vm_map_lock_ln+0x111 sys/uvm/uvm_map.c:5445 #3 uvmfault_lookup+0xbe sys/uvm/uvm_fault.c:1442 #4 uvm_fault+0xbbd uvmfault_amapcopy sys/uvm/uvm_fault.c:232 [inline] #4 uvm_fault+0xbbd sys/uvm/uvm_fault.c:559 #5 pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 #6 kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 #7 alltraps_kern_meltdown+0x7b #8 copyin+0x4b #9 sys_connect+0x9b sys/kern/uipc_syscalls.c:360 #10 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #11 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff827107f8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sys_connect+0x6a sys/kern/uipc_syscalls.c:355 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82892090) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:570 #2 Xsyscall+0x128 Process 28273 (syz-executor.1) thread 0xffff80002311b618 (61356) exclusive rrwlock inode r = 0 (0xfffffd806ecee4d8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vget+0x1c8 sys/kern/vfs_subr.c:671 #6 ufs_ihashget+0x141 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x74 sys/ufs/ffs/ffs_vfsops.c:1329 #8 ufs_lookup+0x14b7 sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5b sys/kern/vfs_vops.c:90 #10 vfs_lookup+0x7a6 sys/kern/vfs_lookup.c:568 #11 namei+0x63c sys/kern/vfs_lookup.c:249 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #13 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8064642f88) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rw_enter+0x453 sys/kern/kern_rwlock.c:311 #2 rrw_enter+0x88 sys/kern/kern_rwlock.c:462 #3 VOP_LOCK+0x4b sys/kern/vfs_vops.c:603 #4 vn_lock+0x81 sys/kern/vfs_vnops.c:575 #5 vfs_lookup+0xe6 sys/kern/vfs_lookup.c:419 #6 namei+0x63c sys/kern/vfs_lookup.c:249 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1853 #8 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9549 6429K 6990K 78643K 11749 0 pcb 13 8K 8K 78643K 632 0 rtable 96 7K 9K 78643K 415 0 ifaddr 100 18K 19K 78643K 154 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1591 0 iov 0 0K 18K 78643K 102 0 mount 1 1K 1K 78643K 1 0 vnodes 1232 77K 78K 78643K 1581 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 6 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 108 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 649 0 sigio 0 0K 0K 78643K 10 0 proc 62 63K 95K 78643K 575 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 47 0 in_multi 57 3K 3K 78643K 165 0 ether_multi 1 0K 0K 78643K 18 0 mrt 0 0K 0K 78643K 14 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 1K 78643K 293 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 133 72K 74K 78643K 2614 0 UVM aobj 17 5K 5K 78643K 24 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 76 0 NDP 16 0K 0K 78643K 34 0 temp 149 3857K 3925K 78643K 20435 0 kqueue 3 4K 9K 78643K 27 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 arp 64 8 0 2 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 38 0 36 1 0 1 1 0 8 0 rtentry 112 96 0 66 2 0 2 2 0 8 0 unpcb 120 267 0 257 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 80 0 80 1 1 0 1 0 8 0 tcpcb 544 306 0 301 2 1 1 2 0 8 0 inpcb 280 1152 0 1144 3 2 1 2 0 8 0 rttmr 72 3 0 3 1 1 0 1 0 8 0 nd6 48 18 0 16 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 49 0 49 1 1 0 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 22 0 14 2 1 1 2 0 8 0 pftag 88 6 0 4 1 0 1 1 0 8 0 pfstitem 24 13 0 9 1 0 1 1 0 8 0 pfstkey 112 13 0 9 1 0 1 1 0 8 0 pfstate 328 12 0 9 1 0 1 1 0 8 0 pfsrctr 152 1 0 1 1 1 0 1 0 8 0 pfrule 1360 39 0 20 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 498 0 373 14 4 10 13 0 8 0 art_table 32 500 0 373 2 0 2 2 0 8 0 art_node 16 95 0 69 1 0 1 1 0 8 0 sysvmsgpl 40 30 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 106 0 96 1 0 1 1 0 8 0 shmpl 112 22 0 7 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2259 0 850 90 1 89 89 0 8 0 ffsino 272 2259 0 850 96 1 95 95 0 8 0 nchpl 144 3354 0 1756 61 0 61 61 0 8 0 uvmvnodes 72 2587 0 0 48 0 48 48 0 8 0 vnodes 208 2587 0 0 137 0 137 137 0 8 0 namei 1024 9758 0 9758 4 3 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 vcpupl 1984 7 0 1 1 0 1 1 0 8 0 vmpool 560 11 0 5 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 6 1 0 1 1 0 8 0 scxspl 192 10100 0 10100 10 9 1 7 0 8 1 plimitpl 152 62 0 54 1 0 1 1 0 8 0 sigapl 424 883 0 831 6 0 6 6 0 8 0 futexpl 56 12144 0 12144 3 2 1 1 0 8 1 knotepl 112 101 0 82 1 0 1 1 0 8 0 kqueuepl 144 96 0 94 1 0 1 1 0 8 0 pipelkpl 48 191 0 181 1 0 1 1 0 8 0 pipepl 120 382 0 363 1 0 1 1 0 8 0 fdescpl 496 847 0 831 3 0 3 3 0 8 0 filepl 152 5307 0 5206 7 2 5 6 0 8 0 lockfpl 104 149 0 148 1 0 1 1 0 8 0 lockfspl 48 50 0 49 1 0 1 1 0 8 0 sessionpl 112 20 0 9 1 0 1 1 0 8 0 pgrppl 48 24 0 13 1 0 1 1 0 8 0 ucredpl 96 476 0 466 1 0 1 1 0 8 0 zombiepl 144 836 0 836 4 3 1 1 0 8 1 processpl 984 883 0 831 8 1 7 7 0 8 0 procpl 624 1783 0 1721 6 0 6 6 0 8 0 sosppl 128 11 0 11 4 4 0 1 0 8 0 sockpl 400 1469 0 1449 9 6 3 5 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 177 0 0 22 0 22 22 0 8 1 mtagpl 80 80 0 0 2 0 2 2 0 8 0 mbufpl 256 376 0 0 21 0 21 21 0 8 0 bufpl 280 4821 0 136 335 0 335 335 0 8 0 anonpl 16 98443 0 83060 94 30 64 79 0 124 0 amapchunkpl 152 3829 0 3680 9 2 7 8 0 158 0 amappl16 192 4109 0 3269 77 34 43 55 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 303 0 296 1 0 1 1 0 8 0 amappl13 168 419 0 416 1 0 1 1 0 8 0 amappl12 160 414 0 409 1 0 1 1 0 8 0 amappl11 152 70 0 54 1 0 1 1 0 8 0 amappl10 144 21 0 17 1 0 1 1 0 8 0 amappl9 136 386 0 385 1 0 1 1 0 8 0 amappl8 128 384 0 349 2 0 2 2 0 8 0 amappl7 120 130 0 117 1 0 1 1 0 8 0 amappl6 112 28 0 22 1 0 1 1 0 8 0 amappl5 104 687 0 668 1 0 1 1 0 8 0 amappl4 96 704 0 673 1 0 1 1 0 8 0 amappl3 88 320 0 314 1 0 1 1 0 8 0 amappl2 80 6036 0 5967 2 0 2 2 0 8 0 amappl1 72 26030 0 25590 23 13 10 18 0 8 0 amappl 80 2044 0 1995 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 23 0 7 1 0 1 1 0 8 0 uaddrrnd 24 858 0 836 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 858 0 836 1 0 1 1 0 8 0 vmmpekpl 168 9677 0 9637 3 0 3 3 0 8 0 vmmpepl 168 107455 0 105441 149 55 94 120 0 357 1 vmsppl 368 857 0 836 3 0 3 3 0 8 0 pdppl 4096 1723 0 1678 9 3 6 7 0 8 0 pvpl 32 286498 0 267876 213 58 155 189 0 265 0 pmappl 232 857 0 836 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 290 0 22 8 0 8 8 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:398 yield() at yield+0x77 sys/kern/sched_bsd.c:304 pool_get(ffffffff828f16c8,1) at pool_get+0x19c sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd806464a5d0,0) at uvm_mapent_alloc+0x2d2 sys/uvm/uvm_map.c:1751 uvm_map_clip_end(fffffd806464a5d0,fffffd8069073d38,20010000) at uvm_map_clip_end+0x5d sys/uvm/uvm_map.c:4769 amap_copy(fffffd806464a5d0,fffffd8069073d38,2,1,20000000,20000001) at amap_copy+0x53b sys/uvm/uvm_amap.c:530 uvm_fault(fffffd806464a5d0,20000000,0,1) at uvm_fault+0xc3e uvmfault_amapcopy sys/uvm/uvm_fault.c:242 [inline] uvm_fault(fffffd806464a5d0,20000000,0,1) at uvm_fault+0xc3e sys/uvm/uvm_fault.c:559 pageflttrap(ffff800023fab740,0) at pageflttrap+0x1b8 sys/arch/amd64/amd64/trap.c:221 kerntrap(ffff800023fab740) at kerntrap+0xec sys/arch/amd64/amd64/trap.c:302 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x4b sys_connect(ffff80002311a028,ffff800023fab908,ffff800023fab950) at sys_connect+0x9b sys/kern/uipc_syscalls.c:360 syscall(ffff800023fab9d0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800023fab9d0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc3650714fc0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d80ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffff800020d80ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5