uvm_fault(fffffd8064ec5720,200e0000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a12dc10,200e0000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a12dc10) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff80002a12e060) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a12e060) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98831a7d7c0, count: 1 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: mutex 0xfffffd8064ec5838 not held in mtx_leave ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd8064ec5838) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd8064ec5750,fffffd8064ec5838,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd8064ec5720,ffffffff830d8373,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvmfault_lookup(ffff80002a12da70,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 uvm_fault_check(ffff80002a12da70,ffff80002a12daa8,ffff80002a12dad0) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] uvm_fault_check(ffff80002a12da70,ffff80002a12daa8,ffff80002a12dad0) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 uvm_fault(fffffd8064ec5720,200e0000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a12dc10,200e0000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a12dc10) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff80002a12e060) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a12e060) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98831a7d7c0, count: -14 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a12d690 rbx 0xffff800029b7cdbf rdx 0xffff8000012c9080 rcx 0xffff80002f78e7d0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xba49278bf13b6f83 r11 0xc77702ee35968939 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff816a99e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a12d680 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=301550 pid=16912 tcnt=3 stat=sleep flags process=10 proc=4000020 runpri=32, usrpri=86, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002f78f478,0xffff80002f78ef78 process=0xffff8000371e1b38 user=0xffff80002a129000, vmspace=0xfffffd8064ec5720 estcpu=36, cpticks=12, pctcpu=0.0, user=0, sys=12, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16912 292847 29139 32767 2 0x10 syz-executor *16912 301550 29139 32767 3 0x4000030 syz-executor 16912 406800 29139 32767 7 0x4000010 syz-executor 50349 103336 73855 32767 2 0x10 syz-executor 50349 426278 73855 32767 3 0x4000090 fsleep syz-executor 50349 498785 73855 32767 2 0x4000010 syz-executor 50349 477589 73855 32767 2 0x4000010 syz-executor 28523 271007 99175 32767 2 0x10 syz-executor 28523 207554 99175 32767 3 0x4000090 fsleep syz-executor 28523 260125 99175 32767 3 0x4000090 fsleep syz-executor 71957 103240 95074 32767 2 0x10 syz-executor 71957 451024 95074 32767 3 0x4000090 fsleep syz-executor 65095 421713 69923 32767 2 0x10 syz-executor 65095 109079 69923 32767 3 0x4000090 fsleep syz-executor 2944 15071 28116 32767 2 0x490 syz-executor 2944 362211 28116 32767 3 0x4000090 ttyin syz-executor 2944 331783 28116 32767 3 0x4000090 fsleep syz-executor 29139 271457 60124 32767 2 0x490 syz-executor 60124 241654 88864 0 3 0x82 wait syz-executor 10132 175456 1840 32767 2 0x490 syz-executor 69923 370746 17375 32767 2 0x490 syz-executor 95074 516175 41643 32767 2 0x490 syz-executor 80182 68527 49693 32767 2 0x490 syz-executor 28116 469242 87694 32767 3 0x90 nanoslp syz-executor 49693 444316 88864 0 3 0x82 wait syz-executor 41643 19611 88864 0 3 0x82 wait syz-executor 17375 89810 88864 0 3 0x82 wait syz-executor 1840 79786 88864 0 3 0x82 wait syz-executor 87694 472463 88864 0 3 0x82 wait syz-executor 73855 463657 28295 32767 3 0x90 nanoslp syz-executor 28295 52940 88864 0 3 0x82 wait syz-executor 99175 153535 45395 32767 2 0x490 syz-executor 45395 270574 88864 0 3 0x82 wait syz-executor 46570 45894 0 0 3 0x14200 bored sosplice 88864 522312 2547 0 3 0x82 kqread syz-executor 2547 329027 8783 0 3 0x10008a sigsusp ksh 8783 506824 57855 0 3 0x98 kqread sshd-session 57855 324316 38230 0 3 0x92 kqread sshd-session 31463 122504 1 0 3 0x100083 ttyin getty 38230 7612 1 0 3 0x88 kqread sshd 66991 164748 80744 73 2 0x1100010 syslogd 80744 273362 1 0 3 0x100082 sbwait syslogd 63315 243306 1 0 3 0x100080 kqread resolvd 10998 367615 26714 77 3 0x100092 kqread dhcpleased 11810 222302 26714 77 3 0x100092 kqread dhcpleased 26714 419401 1 0 3 0x80 kqread dhcpleased 14836 111368 0 0 3 0x14200 bored smr 48804 188118 0 0 2 0x14200 zerothread 35182 229692 0 0 3 0x14200 aiodoned aiodoned 20491 79281 0 0 3 0x14200 syncer update 73415 413796 0 0 3 0x14200 cleaner cleaner 82503 263329 0 0 3 0x14200 reaper reaper 61294 329835 0 0 3 0x14200 pgdaemon pagedaemon 70074 380806 0 0 3 0x14200 bored viomb 91716 237299 0 0 3 0x40014200 acpi0 acpi0 46161 2065 0 0 3 0x40014200 idle1 24847 242114 0 0 3 0x14200 bored softnet3 25628 88577 0 0 3 0x14200 bored softnet2 85398 106820 0 0 3 0x14200 bored softnet1 99268 164725 0 0 3 0x14200 bored softnet0 15047 463312 0 0 3 0x14200 bored systqmp 65579 204688 0 0 3 0x14200 bored systq 3111 238574 0 0 2 0x14200 softclockmp 74401 64208 0 0 3 0x40014200 tmoslp softclock 91013 196943 0 0 3 0x40014200 idle0 1 520864 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff83512f78) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_map_clean+0x602 sys/uvm/uvm_map.c:4528 #4 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 CPU 1: exclusive mutex &map->flags_lock r = 0 (0xfffffd8064ec5878) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 vm_map_lock_ln+0x6b sys/uvm/uvm_map.c:5244 #4 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 #5 uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #5 uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 #6 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #7 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #8 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #9 alltraps_kern_meltdown+0x7b #10 _copyin+0x57 #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 Process 16912 (syz-executor) thread 0xffff80002f78e038 (406800) exclusive rwlock amaplk r = 0 (0xfffffd80605fd0c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_map_clean+0x411 sys/uvm/uvm_map.c:4498 #2 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a2200) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x21e sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 vm_map_lock_ln+0x142 sys/uvm/uvm_map.c:5257 #6 uvm_map_clean+0x11b sys/uvm/uvm_map.c:4450 #7 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 Process 66991 (syslogd) thread 0xffff8000ffffdbe8 (164748) exclusive rrwlock inode r = 0 (0xfffffd806e286810) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 sys_fsync+0x152 sys/kern/vfs_syscalls.c:2926 #6 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #6 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10188 11048K 11059K 166960K 11371 0 pcb 17 12K 12K 166960K 17 0 rtable 234 6K 7K 166960K 1462 0 pf 31 16K 16K 166960K 102 0 ifaddr 42 7K 7K 166960K 188 0 ifgroup 50 2K 2K 166960K 191 0 sysctl 4 1K 1K 166960K 6 0 counters 64 36K 36K 166960K 134 0 ioctlops 0 0K 2K 166960K 75 0 iov 0 0K 16K 166960K 45 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1456 92K 92K 166960K 2320 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 23 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 25 93K 157K 166960K 1428 0 sigio 0 0K 0K 166960K 10 0 proc 61 91K 176K 166960K 1523 0 subproc 104 6K 12K 166960K 676 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 169 0 in_multi 99 7K 7K 166960K 532 0 ether_multi 1 0K 0K 166960K 10 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 947 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 253 74K 130K 166960K 12326 0 UVM aobj 63 4K 6K 166960K 66 0 pinsyscall 46 92K 126K 166960K 3371 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 1K 166960K 63 0 NDP 11 0K 2K 166960K 132 0 temp 61 6820K 6946K 166960K 11700 0 kqueue 14 22K 28K 166960K 163 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 242 0 239 2 1 1 2 0 8 0 rtentry 112 508 0 398 4 0 4 4 0 8 0 unpcb 144 683 0 668 8 7 1 6 0 8 0 syncache 336 13 0 13 5 4 1 1 0 8 1 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 808 472 0 463 11 9 2 7 0 8 1 arp 120 89 0 71 1 0 1 1 0 8 0 ipq 40 4 0 1 1 0 1 1 0 8 0 ipqe 40 6 0 3 1 0 1 1 0 8 0 inpcb 336 1250 0 1237 16 8 8 8 0 8 6 nd6 136 140 0 116 2 1 1 2 0 8 0 kcovpl 48 52 0 44 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2047 0 1592 45 16 29 30 0 8 0 art_table 32 2048 0 1592 4 0 4 4 0 8 0 art_node 16 507 0 407 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 9 4 3 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 63 0 3 2 0 2 2 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2958 0 1355 102 1 101 101 0 8 0 ffsino 272 2958 0 1355 108 0 108 108 0 8 0 nchpl 144 4105 0 2359 65 0 65 65 0 8 0 uvmvnodes 80 3643 0 0 75 0 75 75 0 8 0 vnodes 216 3643 0 0 203 0 203 203 0 8 0 namei 1024 17219 0 17219 8 6 2 2 0 8 2 percpumem 16 81 0 35 1 0 1 1 0 8 0 kstatmem 264 92 0 70 2 0 2 2 0 8 0 scxspl 216 25877 0 25877 13 10 3 8 1 8 3 plimitpl 152 367 0 340 2 0 2 2 0 8 0 sigapl 424 1622 0 1565 9 1 8 9 0 8 0 futexpl 64 10412 0 10406 4 3 1 1 0 8 0 knotepl 120 514 0 0 16 0 16 16 0 8 0 kqueuepl 216 486 0 475 11 6 5 5 0 8 4 pipepl 320 308 0 279 6 1 5 5 0 8 1 fdescpl 496 1603 0 1566 10 3 7 7 0 8 1 filepl 152 8680 0 8428 21 5 16 16 0 8 3 lockfpl 104 238 0 235 1 0 1 1 0 8 0 lockfspl 48 59 0 56 1 0 1 1 0 8 0 sessionpl 144 64 0 48 1 0 1 1 0 8 0 pgrppl 48 132 0 107 1 0 1 1 0 8 0 ucredpl 104 2085 0 2066 1 0 1 1 0 8 0 zombiepl 144 1567 0 1565 1 0 1 1 0 8 0 processpl 1160 1622 0 1565 7 1 6 6 0 8 0 procpl 648 2829 0 2761 8 1 7 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 15 0 15 4 3 1 1 0 8 1 sockpl 664 2185 0 2154 25 16 9 14 0 8 6 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 135 0 0 17 1 16 17 0 8 0 mcl2k 2048 48 0 0 6 1 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 284 0 0 17 0 17 17 0 8 0 bufpl 280 7041 0 867 442 0 442 442 0 8 0 anonpl 24 280001 0 276363 87 18 69 77 0 185 34 amapchunkpl 152 45720 0 45154 44 11 33 38 0 158 9 amappl16 200 6266 0 6238 48 24 24 24 0 8 22 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 191 0 180 1 0 1 1 0 8 0 amappl13 176 10 0 9 1 0 1 1 0 8 0 amappl12 168 2781 0 2744 4 2 2 3 0 8 0 amappl11 160 43 0 33 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 137 0 137 2 2 0 1 0 8 0 amappl8 136 21 0 20 1 0 1 1 0 8 0 amappl7 128 179 0 169 1 0 1 1 0 8 0 amappl6 120 506 0 504 1 0 1 1 0 8 0 amappl5 112 273 0 264 1 0 1 1 0 8 0 amappl4 104 412 0 396 1 0 1 1 0 8 0 amappl3 96 7816 0 7684 4 0 4 4 0 8 0 amappl2 88 1281 0 1218 2 0 2 2 0 8 0 amappl1 80 15118 0 14578 17 3 14 15 0 8 1 amappl 88 11650 0 11451 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 65 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1603 0 1566 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1603 0 1566 1 0 1 1 0 8 0 vmmpekpl 168 14086 0 14010 4 0 4 4 0 8 0 vmmpepl 168 105871 0 103861 111 9 102 106 0 357 8 vmsppl 448 1602 0 1566 6 0 6 6 0 8 0 rwobjpl 56 36888 0 32327 73 3 70 70 0 8 2 pdppl 4096 3213 0 3132 221 136 85 113 0 8 4 pvpl 32 29331 0 0 237 1 236 236 0 265 0 pmappl 248 1602 0 1566 6 2 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 572 0 184 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834adff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x98842f0c410, count: 10 ddb{0}> trace x86_ipi_db(ffffffff834adff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x98842f0c410, count: -5 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd8064ec5838) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd8064ec5750,fffffd8064ec5838,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd8064ec5720,ffffffff830d8373,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvmfault_lookup(ffff80002a12da70,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 uvm_fault_check(ffff80002a12da70,ffff80002a12daa8,ffff80002a12dad0) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] uvm_fault_check(ffff80002a12da70,ffff80002a12daa8,ffff80002a12dad0) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 uvm_fault(fffffd8064ec5720,200e0000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a12dc10,200e0000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a12dc10) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff80002a12e060) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a12e060) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98831a7d7c0, count: 1 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83078e14) at panic+0x1e5 sys/kern/subr_prf.c:198 mtx_leave(fffffd8064ec5838) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd8064ec5750,fffffd8064ec5838,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd8064ec5720,ffffffff830d8373,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvmfault_lookup(ffff80002a12da70,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 uvm_fault_check(ffff80002a12da70,ffff80002a12daa8,ffff80002a12dad0) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] uvm_fault_check(ffff80002a12da70,ffff80002a12daa8,ffff80002a12dad0) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 uvm_fault(fffffd8064ec5720,200e0000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002a12dc10,200e0000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002a12dc10) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff80002a12e060) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a12e060) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x98831a7d7c0, count: -14