uvm_fault(fffffd807c95f580,20080000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000307b7c60,20080000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000307b7c60) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff8000307b80b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000307b80b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x502f52237e0, 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 0xfffffd807c95f698 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(fffffd807c95f698) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd807c95f5b0,fffffd807c95f698,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd807c95f580,ffffffff830d8373,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvmfault_lookup(ffff8000307b7ac0,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 uvm_fault_check(ffff8000307b7ac0,ffff8000307b7af8,ffff8000307b7b20) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] uvm_fault_check(ffff8000307b7ac0,ffff8000307b7af8,ffff8000307b7b20) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 uvm_fault(fffffd807c95f580,20080000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000307b7c60,20080000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000307b7c60) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff8000307b80b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000307b80b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x502f52237e0, count: -14 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000307b76e0 rbx 0xffff800029b7cdbf rdx 0xffff8000012ea980 rcx 0xffff8000343aa7c0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe1f2d10705ce79c3 r11 0xd676c97f05196fda r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff816a99e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000307b76d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=230627 pid=57102 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=0xffff8000ffff6f48,0xffff8000343aa2c0 process=0xffff800030974db0 user=0xffff8000307b3000, vmspace=0xfffffd807c95f580 estcpu=36, cpticks=7, pctcpu=0.0, user=0, sys=7, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 35693 348534 35069 32767 2 0x4000010 syz-executor 35693 483602 35069 32767 3 0x4000090 fsleep syz-executor 57102 325102 19213 32767 2 0x10 syz-executor *57102 230627 19213 32767 3 0x4000030 syz-executor 57102 392673 19213 32767 7 0x4000010 syz-executor 15232 232092 10486 32767 2 0x10 syz-executor 15232 470571 10486 32767 2 0x4000010 syz-executor 42791 293839 28818 32767 2 0x10 syz-executor 42791 257018 28818 32767 3 0x4000090 ttyretype syz-executor 42791 254546 28818 32767 3 0x4000090 fsleep syz-executor 70294 252614 22542 32767 3 0x90 nanoslp syz-executor 70294 17633 22542 32767 3 0x4000090 sbwait syz-executor 70294 335661 22542 32767 3 0x4000090 fsleep syz-executor 19174 296858 38254 32767 2 0x490 syz-executor 19174 85587 38254 32767 3 0x4000090 sbwait syz-executor 19174 325274 38254 32767 3 0x4000090 sbwait syz-executor 19174 448526 38254 32767 3 0x4000090 fsleep syz-executor 28818 326425 63663 32767 2 0x490 syz-executor 22542 140308 40148 32767 2 0x10 syz-executor 40148 319084 34950 0 3 0x82 wait syz-executor 63663 314367 34950 0 3 0x82 wait syz-executor 14868 30190 71007 32767 2 0x490 syz-executor 38254 455979 39280 32767 2 0x490 syz-executor 19213 268385 42574 32767 2 0x490 syz-executor 39280 43919 34950 0 3 0x82 wait syz-executor 35069 326308 2674 32767 3 0x90 nanoslp syz-executor 61222 157011 68544 32767 2 0x490 syz-executor 71007 503342 34950 0 3 0x82 wait syz-executor 42574 414327 34950 0 3 0x82 wait syz-executor 2674 269244 34950 0 3 0x82 wait syz-executor 10486 332728 8733 32767 3 0x90 nanoslp syz-executor 8733 371553 34950 0 3 0x82 wait syz-executor 68544 18211 34950 0 3 0x82 wait syz-executor 29863 436934 46548 0 3 0x82 netio sshd-session 74714 72686 0 0 3 0x14200 bored sosplice 34950 324798 88951 0 3 0x82 kqread syz-executor 88951 250435 91051 0 3 0x10008a sigsusp ksh 91051 344013 34341 0 3 0x98 kqread sshd-session 34341 223148 46548 0 3 0x92 kqread sshd-session 61843 240162 1 0 3 0x100083 ttyin getty 46548 349687 1 0 3 0x88 kqread sshd 43996 317994 64868 73 2 0x1100010 syslogd 64868 212401 1 0 3 0x100082 sbwait syslogd 28158 232599 1 0 3 0x100080 kqread resolvd 41821 141079 5072 77 3 0x100092 kqread dhcpleased 56183 336969 5072 77 3 0x100092 kqread dhcpleased 5072 466890 1 0 3 0x80 kqread dhcpleased 87761 306546 0 0 3 0x14200 bored smr 67946 326167 0 0 2 0x14200 zerothread 47961 398614 0 0 3 0x14200 aiodoned aiodoned 44359 91696 0 0 3 0x14200 syncer update 58981 419044 0 0 3 0x14200 cleaner cleaner 56114 495918 0 0 2 0x14200 reaper 3627 468430 0 0 3 0x14200 pgdaemon pagedaemon 83986 437553 0 0 3 0x14200 bored viomb 94282 245281 0 0 3 0x40014200 acpi0 acpi0 26202 201118 0 0 3 0x40014200 idle1 78264 444129 0 0 3 0x14200 bored softnet3 50669 458330 0 0 3 0x14200 bored softnet2 81958 64735 0 0 3 0x14200 bored softnet1 98247 239708 0 0 3 0x14200 bored softnet0 69727 397425 0 0 3 0x14200 bored systqmp 29942 179808 0 0 3 0x14200 bored systq 77292 437091 0 0 2 0x14200 softclockmp 89154 1820 0 0 3 0x40014200 tmoslp softclock 23840 481098 0 0 3 0x40014200 idle0 1 43327 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 (0xfffffd807c95f6d8) #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 57102 (syz-executor) thread 0xffff8000ffff7bf0 (392673) exclusive rwlock amaplk r = 0 (0xfffffd80546990b8) #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 syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #1 syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 43996 (syslogd) thread 0xffff8000ffffdbe8 (317994) exclusive rrwlock inode r = 0 (0xfffffd806e289c50) #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 10206 11050K 11059K 166960K 11483 0 pcb 17 14K 16K 166960K 19 0 rtable 234 6K 7K 166960K 2581 0 pf 31 16K 16K 166960K 166 0 ifaddr 42 8K 8K 166960K 308 0 ifgroup 50 2K 2K 166960K 317 0 sysctl 2 0K 2K 166960K 4 0 counters 64 36K 36K 166960K 196 0 ioctlops 0 0K 2K 166960K 141 0 iov 0 0K 16K 166960K 46 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1457 92K 92K 166960K 2500 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 36 0 dirhash 15 2K 3K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 24 89K 157K 166960K 1925 0 sigio 0 0K 0K 166960K 26 0 proc 58 79K 176K 166960K 2324 0 subproc 104 6K 12K 166960K 1105 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 177 0 in_multi 99 7K 7K 166960K 849 0 ether_multi 1 0K 0K 166960K 8 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 205 917K 917K 166960K 205 0 exec 0 0K 1K 166960K 1364 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 287 76K 131K 166960K 14954 0 UVM aobj 30 2K 2K 166960K 34 0 pinsyscall 47 94K 130K 166960K 4647 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 25 1K 2K 166960K 219 0 temp 75 6824K 6890K 166960K 15841 0 kqueue 13 20K 31K 166960K 176 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 120 317 0 314 3 2 1 3 0 8 0 rtentry 112 823 0 713 6 2 4 4 0 8 0 unpcb 144 1101 0 1078 16 15 1 11 0 8 0 syncache 336 21 0 21 7 7 0 1 0 8 0 tcpqe 32 26 0 26 6 6 0 1 0 8 0 tcpcb 808 638 0 591 22 17 5 14 0 8 0 arp 120 148 0 130 1 0 1 1 0 8 0 ipq 40 3 0 2 2 1 1 1 0 8 0 ipqe 40 48 0 47 2 1 1 1 0 8 0 inpcb 336 1672 0 1656 32 24 8 18 0 8 4 nd6 136 222 0 198 1 0 1 1 0 8 0 kcovpl 48 85 0 77 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3326 0 2870 62 33 29 29 0 8 0 art_table 32 3327 0 2870 4 0 4 4 0 8 0 art_node 16 822 0 722 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 7 1 0 1 1 0 8 0 semapl 112 33 0 23 1 0 1 1 0 8 0 shmpl 112 31 0 4 1 0 1 1 0 8 0 dirhash 1024 25 0 6 3 0 3 3 0 8 0 dino2pl 256 2782 0 1111 105 0 105 105 0 8 0 ffsino 272 2782 0 1111 112 0 112 112 0 8 0 nchpl 144 3991 0 2196 67 0 67 67 0 8 0 uvmvnodes 80 3896 0 0 80 0 80 80 0 8 0 vnodes 216 3896 0 0 217 0 217 217 0 8 0 namei 1024 19798 0 19798 11 10 1 2 0 8 1 percpumem 16 112 0 66 1 0 1 1 0 8 0 kstatmem 264 154 0 132 2 0 2 2 0 8 0 scxspl 216 36904 0 36904 14 12 2 8 1 8 2 plimitpl 152 506 0 480 2 0 2 2 0 8 0 sigapl 424 2057 0 1999 12 4 8 9 0 8 0 futexpl 64 11027 0 11023 6 5 1 1 0 8 0 knotepl 120 581 0 0 17 0 17 17 0 8 0 kqueuepl 216 384 0 374 7 6 1 5 0 8 0 pipepl 320 602 0 574 11 6 5 8 0 8 1 fdescpl 496 2038 0 2001 11 4 7 7 0 8 0 filepl 152 10727 0 10473 30 14 16 20 0 8 2 lockfpl 104 249 0 247 1 0 1 1 0 8 0 lockfspl 48 73 0 71 1 0 1 1 0 8 0 sessionpl 144 100 0 83 1 0 1 1 0 8 0 pgrppl 48 205 0 180 1 0 1 1 0 8 0 ucredpl 104 1566 0 1547 1 0 1 1 0 8 0 zombiepl 144 2001 0 1999 1 0 1 1 0 8 0 processpl 1160 2057 0 1999 8 2 6 6 0 8 0 procpl 648 3347 0 3274 7 0 7 7 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sosppl 168 11 0 11 5 5 0 1 0 8 0 sockpl 664 3103 0 3061 51 41 10 25 0 8 4 mcl64k 65536 12 0 0 2 0 2 2 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 160 0 0 19 0 19 19 0 8 0 mcl2k 2048 81 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 436 0 0 25 1 24 24 0 8 0 bufpl 280 7635 0 1267 455 0 455 455 0 8 0 anonpl 24 267620 0 263586 57 12 45 53 0 185 5 amapchunkpl 152 45570 0 44913 38 8 30 36 0 158 4 amappl16 200 3557 0 3537 57 52 5 15 0 8 3 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 260 0 249 1 0 1 1 0 8 0 amappl13 176 2 0 2 1 1 0 1 0 8 0 amappl12 168 3682 0 3643 7 4 3 3 0 8 1 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 9 0 8 2 1 1 1 0 8 0 amappl9 144 178 0 178 1 1 0 1 0 8 0 amappl8 136 20 0 17 1 0 1 1 0 8 0 amappl7 128 236 0 225 1 0 1 1 0 8 0 amappl6 120 795 0 794 1 0 1 1 0 8 0 amappl5 112 392 0 382 1 0 1 1 0 8 0 amappl4 104 516 0 501 1 0 1 1 0 8 0 amappl3 96 8861 0 8712 4 0 4 4 0 8 0 amappl2 88 1673 0 1605 2 0 2 2 0 8 0 amappl1 80 20062 0 19431 17 2 15 16 0 8 0 amappl 88 14027 0 13801 8 2 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 33 0 4 1 0 1 1 0 8 0 uaddrrnd 24 2038 0 1999 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2038 0 1999 1 0 1 1 0 8 0 vmmpekpl 168 19865 0 19803 4 0 4 4 0 8 0 vmmpepl 168 130796 0 128595 126 22 104 110 0 357 8 vmsppl 448 2037 0 1999 9 3 6 6 0 8 0 rwobjpl 56 42061 0 37150 72 1 71 71 0 8 0 pdppl 4096 4083 0 3998 305 204 101 115 0 8 16 pvpl 32 30060 0 0 243 0 243 243 0 265 0 pmappl 248 2037 0 1999 5 1 4 4 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 725 0 301 13 0 13 13 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: 0x502b7435180, 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: 0x502b7435180, 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(fffffd807c95f698) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd807c95f5b0,fffffd807c95f698,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd807c95f580,ffffffff830d8373,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvmfault_lookup(ffff8000307b7ac0,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 uvm_fault_check(ffff8000307b7ac0,ffff8000307b7af8,ffff8000307b7b20) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] uvm_fault_check(ffff8000307b7ac0,ffff8000307b7af8,ffff8000307b7b20) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 uvm_fault(fffffd807c95f580,20080000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000307b7c60,20080000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000307b7c60) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff8000307b80b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000307b80b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x502f52237e0, 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(fffffd807c95f698) at mtx_leave+0x17c sys/kern/kern_lock.c:335 msleep(fffffd807c95f5b0,fffffd807c95f698,4,ffffffff832a21d0,0) at msleep+0x125 sys/kern/kern_synch.c:249 vm_map_lock_ln(fffffd807c95f580,ffffffff830d8373,6f3) at vm_map_lock_ln+0xd4 sys/uvm/uvm_map.c:5250 uvmfault_lookup(ffff8000307b7ac0,1) at uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1779 uvm_fault_check(ffff8000307b7ac0,ffff8000307b7af8,ffff8000307b7b20) at uvm_fault_check+0x83e uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] uvm_fault_check(ffff8000307b7ac0,ffff8000307b7af8,ffff8000307b7b20) at uvm_fault_check+0x83e sys/uvm/uvm_fault.c:710 uvm_fault(fffffd807c95f580,20080000,0,1) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff8000307b7c60,20080000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000307b7c60) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 syscall(ffff8000307b80b0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000307b80b0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x502f52237e0, count: -14