*cpu1: uvm_fault(0xfffffd006c6b1018, 0x98, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7c3e7f2869c0, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800039fb9770 rbx 0 rdx 0 rcx 0xffff8000383b2d18 rax 0x2a r8 0xffff800039fb96a0 r9 0x1 r10 0x1e525be3256dba96 r11 0xc76fe04f2465896d r12 0 r13 0 r14 0 r15 0 rip 0xffffffff8341d4c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff800039fb96f0 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=254283 pid=65386 tcnt=2 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000383b2020,0xffff8000383b3258 process=0xffff80002a37ce88 user=0xffff800039fb4000, vmspace=0xfffffd006c6b1200 estcpu=36, cpticks=1, pctcpu=0.0, user=1, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *65386 254283 54154 0 7 0 syz-executor 65386 210584 54154 0 3 0x4000080 fsleep syz-executor 71162 449060 14389 0 2 0 syz-executor 71162 245239 14389 0 7 0x4000000 syz-executor 53924 100600 71626 0 3 0 vmmaplk syz-executor 53924 243446 71626 0 3 0x4000000 physio syz-executor 39773 208548 97042 0 3 0x80 nanoslp syz-executor 39773 1158 97042 0 3 0x4000080 fsleep syz-executor 39773 514716 97042 0 3 0x4000080 fsleep syz-executor 39741 203503 88046 0 3 0x80 nanoslp syz-executor 39741 318586 88046 0 3 0x4000080 ttyin syz-executor 39741 110674 88046 0 2 0x4000000 syz-executor 39741 91464 88046 0 3 0x4000080 fsleep syz-executor 20402 134288 86289 0 2 0 syz-executor 20402 175926 86289 0 3 0x4000080 ttyin syz-executor 20402 218391 86289 0 3 0x4000080 fsleep syz-executor 20402 290334 86289 0 3 0x4000080 fsleep syz-executor 35074 262970 56673 0 3 0x100082 sbwait arp 56673 336483 51007 0 3 0x10008a sigsusp sh 71626 431508 1252 0 3 0x82 nanoslp syz-executor 97042 257825 1252 0 3 0x82 nanoslp syz-executor 54154 483252 1252 0 3 0x82 nanoslp syz-executor 14389 176556 1252 0 3 0x82 nanoslp syz-executor 88046 304365 1252 0 3 0x82 nanoslp syz-executor 51007 421295 1252 0 3 0x82 wait syz-executor 75108 398116 1252 0 3 0x82 nanoslp syz-executor 86289 210615 1252 0 3 0x82 nanoslp syz-executor 1252 509155 42872 0 3 0x82 kqread syz-executor 42872 309767 71008 0 3 0x10008a sigsusp ksh 71008 307142 33868 0 3 0x98 kqread sshd-session 33868 217547 96059 0 3 0x92 kqread sshd-session 71748 110973 1 0 3 0x100083 ttyin getty 96059 95288 1 0 3 0x88 kqread sshd 85888 515165 36121 74 3 0x1100092 bpf pflogd 36121 422978 1 0 3 0x80 sbwait pflogd 53139 64781 10430 73 3 0x1100090 kqread syslogd 10430 247522 1 0 3 0x100082 sbwait syslogd 35047 250580 1 0 3 0x100080 kqread resolvd 31480 378490 13200 77 3 0x100092 kqread dhcpleased 22837 74927 13200 77 3 0x100092 kqread dhcpleased 13200 260500 1 0 3 0x80 kqread dhcpleased 86524 495875 0 0 3 0x14200 bored smr 57867 425083 0 0 3 0x14200 pgzero zerothread 25433 30166 0 0 3 0x14200 aiodoned aiodoned 55203 493727 0 0 3 0x14200 syncer update 18964 476939 0 0 3 0x14200 cleaner cleaner 46140 201402 0 0 3 0x14200 reaper reaper 24211 514476 0 0 3 0x14200 pgdaemon pagedaemon 32713 448737 0 0 3 0x14200 bored viomb 62144 9681 0 0 3 0x40014200 acpi0 acpi0 76724 169325 0 0 3 0x40014200 idle1 58439 342764 0 0 3 0x14200 bored softnet1 1600 21512 0 0 3 0x14200 bored softnet0 56754 299660 0 0 3 0x14200 bored systqmp 28175 162350 0 0 3 0x14200 bored systq 86862 116591 0 0 3 0x14200 tmoslp softclockmp 52977 49884 0 0 3 0x40014200 tmoslp softclock 2464 347149 0 0 3 0x40014200 idle0 1 487449 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd006c4c6310) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:441 [inline] #2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2777 #3 uvm_fault_lower_lookup+0x369 sys/uvm/uvm_fault.c:-1 #4 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #8 recall_trap+0x8 Process 65386 (syz-executor) thread 0xffff8000383b2d18 (254283) shared rwlock uobjlk r = 0 (0xfffffd006d65e238) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1204 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd006c6b1300) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd006c4c6310) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #2 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:441 [inline] #2 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2777 #3 uvm_fault_lower_lookup+0x369 sys/uvm/uvm_fault.c:-1 #4 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #8 recall_trap+0x8 Process 71162 (syz-executor) thread 0xffff8000383b2020 (245239) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83b41440) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 Process 53924 (syz-executor) thread 0xffff8000383b2a80 (243446) shared rwlock vmmaplk r = 0 (0xfffffd006c6b1e70) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_vslock_device+0x149 sys/uvm/uvm_glue.c:173 #3 physio+0x257 sys/kern/kern_physio.c:139 #4 spec_read+0x14b sys/kern/spec_vnops.c:215 #5 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #6 vn_read+0x17b sys/kern/vfs_vnops.c:375 #7 dofilereadv+0x25a sys/kern/sys_generic.c:252 #8 sys_pread+0xae sys/kern/vfs_syscalls.c:3256 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #10 Xsyscall+0x128 Process 20402 (syz-executor) thread 0xffff8000383b3778 (175926) exclusive rrwlock inode r = 0 (0xfffffd007813a120) #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 spec_open+0x2f2 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x7a5 sys/kern/vfs_vnops.c:183 #8 vndioctl+0xc43 sys/dev/vnd.c:458 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #11 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #13 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11092 12100K 12358K 166960K 12581 0 pcb 17 13K 13K 166960K 90 0 rtable 195 9K 10K 166960K 417 0 pf 38 18K 25K 166960K 219 0 ifaddr 36 5K 7K 166960K 63 0 ifgroup 55 2K 2K 166960K 93 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 38K 166960K 114 0 ioctlops 0 0K 4K 166960K 1567 0 iov 0 0K 16K 166960K 17 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1291 81K 82K 166960K 1626 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 26 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 454 0 sigio 0 0K 0K 166960K 3 0 proc 72 115K 163K 166960K 581 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 35 0 in_multi 71 5K 6K 166960K 109 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 415 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 257 166K 178K 166960K 6153 0 UVM aobj 16 2K 2K 166960K 17 0 pinsyscall 45 90K 114K 166960K 1640 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 15 0 NDP 12 0K 1K 166960K 43 0 temp 48 9117K 9180K 166960K 22372 0 kqueue 13 20K 34K 166960K 86 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 58 0 54 1 0 1 1 0 8 0 rtentry 176 110 0 37 5 0 5 5 0 8 0 unpcb 144 168 0 145 1 0 1 1 0 8 0 syncache 336 9 0 9 1 0 1 1 0 8 1 tcpcb 736 142 0 138 7 0 7 7 0 8 6 arp 136 17 0 4 1 0 1 1 0 8 0 inpcb 328 464 0 455 7 0 7 7 0 8 5 nd6 152 27 0 9 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 19 0 19 1 0 1 1 0 8 1 pfstscr 40 4 0 4 1 0 1 1 0 8 1 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 1 1 0 1 1 0 8 0 pffrent 40 13 0 7 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 pfrktable 1344 4 0 4 1 0 1 1 0 8 1 pfstlim 224 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 12 0 2 1 0 1 1 0 8 0 pftag 88 3 0 1 1 0 1 1 0 8 0 pfstitem 24 53 0 0 1 0 1 1 0 8 0 pfstkey 128 59 0 6 2 0 2 2 0 8 0 pfstate 448 56 0 3 6 0 6 6 0 8 0 pfrule 1360 27 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 438 0 108 27 0 27 27 0 8 3 art_table 40 439 0 108 5 0 5 5 0 8 0 art_node 32 110 0 44 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 5 1 0 1 1 0 8 0 semapl 72 21 0 11 1 0 1 1 0 8 0 shmpl 112 14 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2186 0 722 93 0 93 93 0 8 0 ffsino 296 2186 0 722 114 0 114 114 0 8 0 nchpl 144 2854 0 1149 64 0 64 64 0 8 0 rtmask 32 6 0 6 1 0 1 1 0 8 1 vnodes 216 2411 0 0 134 0 134 134 0 8 0 namei 1024 9230 0 9230 1 0 1 1 0 8 1 percpumem 16 72 0 22 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 kstatmem 264 59 0 30 3 0 3 3 0 8 1 scxspl 216 9090 0 9089 4 3 1 3 1 8 0 plimitpl 152 108 0 91 1 0 1 1 0 8 0 sigapl 424 781 0 732 7 1 6 7 0 8 0 knotepl 120 805 0 0 25 0 25 25 0 8 0 kqueuepl 224 128 0 119 2 0 2 2 0 8 1 pipepl 344 179 0 152 6 0 6 6 0 8 3 fdescpl 528 765 0 732 3 0 3 3 0 8 0 filepl 160 4125 0 3894 13 0 13 13 0 8 2 lockfpl 104 177 0 175 1 0 1 1 0 8 0 lockfspl 48 82 0 80 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 55 0 37 1 0 1 1 0 8 0 ucredpl 104 766 0 750 1 0 1 1 0 8 0 zombiepl 144 733 0 732 1 0 1 1 0 8 0 processpl 1232 781 0 732 5 0 5 5 0 8 0 procpl 664 1328 0 1268 6 0 6 6 0 8 1 sockpl 752 701 0 665 11 0 11 11 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 122 0 0 16 0 16 16 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 30 0 0 4 0 4 4 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 217 0 0 14 0 14 14 0 8 0 bufpl 280 4035 0 107 281 0 281 281 0 8 0 anonpl 32 7676 0 0 62 0 62 62 0 246 0 amapchunkpl 152 18810 0 18241 28 1 27 27 0 158 5 amappl16 200 1992 0 1961 22 7 15 15 0 8 13 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 458 0 455 1 0 1 1 0 8 0 amappl13 176 128 0 115 1 0 1 1 0 8 0 amappl12 168 1019 0 987 2 0 2 2 0 8 0 amappl11 160 16 0 16 1 1 0 1 0 8 0 amappl10 152 61 0 47 1 0 1 1 0 8 0 amappl9 144 279 0 279 1 1 0 1 0 8 0 amappl8 136 100 0 98 1 0 1 1 0 8 0 amappl7 128 167 0 152 1 0 1 1 0 8 0 amappl6 120 154 0 152 1 0 1 1 0 8 0 amappl5 112 103 0 92 1 0 1 1 0 8 0 amappl4 104 306 0 283 1 0 1 1 0 8 0 amappl3 96 3698 0 3572 4 0 4 4 0 8 0 amappl2 88 567 0 502 2 0 2 2 0 8 0 amappl1 80 12274 0 11649 17 0 17 17 0 8 3 amappl 88 5344 0 5165 5 0 5 5 0 92 0 uvmvnodes 80 118 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 16 0 1 1 0 1 1 0 8 0 uaddrrnd 24 765 0 732 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 765 0 732 1 0 1 1 0 8 0 vmmpekpl 168 8418 0 8388 2 0 2 2 0 8 0 vmmpepl 168 57347 0 55332 100 0 100 100 0 357 10 vmsppl 488 764 0 732 5 0 5 5 0 8 0 rwobjpl 80 18586 0 17462 28 0 28 28 0 8 0 pdppl 4096 1537 0 1464 105 32 73 85 0 8 0 pvpl 32 14293 0 0 116 0 116 116 0 265 0 pmappl 256 764 0 732 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 288 0 35 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7c3e7f2869c0, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp 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 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x57 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(1) at acpitimer_delay+0x57 sys/dev/acpi/acpitimer.c:120 comcnputc(800,20) at comcnputc+0x29b sys/dev/ic/com.c:1274 cnputc(20) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2d) at db_putchar+0x126 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(2d) at db_putchar+0x126 sys/ddb/db_output.c:153 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff8345fc75) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8351e98f) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c3f4cc0,98) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c3f4cc0) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff80003c3f4e70, count: 0 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 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x57 acpitimer_read sys/dev/acpi/acpitimer.c:141 [inline] acpitimer_delay(1) at acpitimer_delay+0x57 sys/dev/acpi/acpitimer.c:120 comcnputc(800,20) at comcnputc+0x29b sys/dev/ic/com.c:1274 cnputc(20) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2d) at db_putchar+0x126 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(2d) at db_putchar+0x126 sys/ddb/db_output.c:153 kprintf() at kprintf+0x29c5 sys/kern/subr_prf.c:-1 db_printf(ffffffff8345fc75) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff8351e98f) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80003c3f4cc0,98) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80003c3f4cc0) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:528 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff8000383b2020,fffffd006c371be8,ffff80003c3f4ea0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2690 sys_futimes(ffff8000383b2020,ffff80003c3f4ff0,ffff80003c3f4f40) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2732 syscall(ffff80003c3f4ff0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f4ff0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3c400780090, count: -18