panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *251608 73166 32767 0x10 0x4000000 1K syz-executor 144475 75551 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800033804c50,ffff800033804ba0) at sys_sysctl+0x422 syscall(ffff800033804c50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033804c50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb3931516c0, count: 7 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: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800033804c50,ffff800033804ba0) at sys_sysctl+0x422 syscall(ffff800033804c50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033804c50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb3931516c0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800033804790 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff8000ffff6528 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x69a3d7033e6f98ca r11 0xeb96b9cbfb2729a r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82891655 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800033804780 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=251608 pid=73166 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6a38,0xffffffff835e7630 process=0xffff8000fffee460 user=0xffff8000337ff000, vmspace=0xfffffd806c8f8dd0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73166 145318 80357 32767 3 0x90 nanoslp syz-executor 73166 60033 80357 32767 3 0x4000090 fsleep syz-executor 73166 192344 80357 32767 3 0x4000090 fsleep syz-executor *73166 251608 80357 32767 7 0x4000010 syz-executor 38814 487369 9313 32767 3 0x90 nanoslp syz-executor 38814 369764 9313 32767 3 0x4000090 fsleep syz-executor 38814 212144 9313 32767 3 0x4000090 fsleep syz-executor 38814 249427 9313 32767 3 0x4000090 fsleep syz-executor 75551 144475 29047 32767 7 0x10 syz-executor 75551 126856 29047 32767 3 0x4000090 ttyout syz-executor 75551 156210 29047 32767 3 0x4000090 ttyout syz-executor 89784 430762 69574 32767 3 0x90 nanoslp syz-executor 89784 23721 69574 32767 3 0x4000090 kqsel syz-executor 89784 365496 69574 32767 3 0x4000090 kqsel syz-executor 89784 291495 69574 32767 3 0x4000090 ttyout syz-executor 86121 195319 4538 32767 3 0x90 nanoslp syz-executor 4538 282079 87324 0 3 0x82 wait syz-executor 69574 145720 23541 32767 3 0x90 nanoslp syz-executor 23541 240903 87324 0 3 0x82 wait syz-executor 46642 298065 30198 32767 3 0x90 wait syz-executor 30198 340107 87324 0 3 0x82 wait syz-executor 29047 428509 54702 32767 3 0x90 nanoslp syz-executor 54702 377398 87324 0 3 0x82 wait syz-executor 9313 444770 56106 32767 3 0x90 nanoslp syz-executor 56106 469066 87324 0 3 0x82 wait syz-executor 80520 308948 81078 32767 3 0x90 nanoslp syz-executor 81078 285060 87324 0 3 0x82 wait syz-executor 7454 46186 87610 32767 3 0x90 nanoslp syz-executor 87610 464244 87324 0 3 0x82 wait syz-executor 80357 298862 67921 32767 3 0x90 nanoslp syz-executor 67921 178810 87324 0 3 0x82 wait syz-executor 29329 132499 20945 0 3 0x100082 sbwait arp 20945 352218 53989 0 3 0x10008a sigsusp sh 53989 156247 1 0 3 0x80 wait syz-executor 43031 208660 26954 0 3 0x100082 sbwait arp 26954 234739 25205 0 3 0x10008a sigsusp sh 25205 79240 1 0 3 0x80 wait syz-executor 13826 210566 84162 0 3 0x100082 sbwait ndp 84162 247621 80173 0 3 0x10008a sigsusp sh 80173 192132 1 0 3 0x80 wait syz-executor 90506 216226 0 0 3 0x14200 bored sosplice 87324 145981 93586 0 3 0x82 kqread syz-executor 93586 219935 84227 0 3 0x10008a sigsusp ksh 84227 498831 32428 0 3 0x98 kqread sshd-session 32428 264618 98872 0 3 0x92 kqread sshd-session 31387 88607 1 0 3 0x100083 ttyin getty 98872 258168 1 0 3 0x88 kqread sshd 93750 372475 77296 73 3 0x1100090 kqread syslogd 77296 251933 1 0 3 0x100082 sbwait syslogd 86739 311871 1 0 3 0x100080 kqread resolvd 10729 509868 46714 77 3 0x100092 kqread dhcpleased 68454 90842 46714 77 3 0x100092 kqread dhcpleased 46714 244779 1 0 3 0x80 kqread dhcpleased 79174 197547 0 0 3 0x14200 bored smr 57667 448303 0 0 2 0x14200 zerothread 60790 491155 0 0 3 0x14200 aiodoned aiodoned 96144 435145 0 0 3 0x14200 syncer update 82201 300106 0 0 3 0x14200 cleaner cleaner 2253 207423 0 0 3 0x14200 reaper reaper 62558 235914 0 0 3 0x14200 pgdaemon pagedaemon 11499 405229 0 0 3 0x14200 bored viomb 70282 505439 0 0 3 0x40014200 acpi0 acpi0 11686 58646 0 0 3 0x40014200 idle1 16462 419689 0 0 3 0x14200 bored softnet3 22437 232191 0 0 3 0x14200 bored softnet2 97991 394838 0 0 3 0x14200 bored softnet1 92649 44276 0 0 3 0x14200 bored softnet0 58356 297612 0 0 3 0x14200 bored systqmp 49240 364560 0 0 3 0x14200 bored systq 22526 144815 0 0 3 0x14200 tmoslp softclockmp 19616 75460 0 0 3 0x40014200 tmoslp softclock 52539 33239 0 0 3 0x40014200 idle0 1 115950 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 73166 (syz-executor) thread 0xffff8000ffff6528 (251608) shared rwlock vmmaplk r = 0 (0xfffffd806c8f8ec0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #2 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8362c378) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 #2 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83448fd0) #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 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10244 14127K 14131K 166960K 14345 0 pcb 17 24K 28K 166960K 27 0 rtable 238 6K 7K 166960K 37032 0 pf 31 16K 16K 166960K 2051 0 ifaddr 42 15K 19K 166960K 4071 0 ifgroup 50 2K 2K 166960K 4084 0 sysctl 4 1K 5K 166960K 60 0 counters 64 36K 36K 166960K 2078 0 ioctlops 0 0K 4K 166960K 2523 0 iov 0 0K 32K 166960K 7408 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1508 95K 95K 166960K 31696 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1476 0 VM map 2 1K 1K 166960K 2 0 sem 11 1K 1K 166960K 11 0 dirhash 33 6K 6K 166960K 1836 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 35 133K 193K 166960K 80717 0 sigio 0 0K 0K 166960K 3206 0 proc 58 79K 176K 166960K 36028 0 subproc 143 8K 15K 166960K 16523 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 21757 0 in_multi 99 7K 8K 166960K 14538 0 ether_multi 1 0K 0K 166960K 611 0 mrt 1 0K 0K 166960K 16 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 403 1791K 1791K 166960K 403 0 exec 0 0K 2K 166960K 29574 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 341 101K 158K 166960K 706479 0 UVM aobj 131 4K 4K 166960K 132 0 pinsyscall 59 118K 154K 166960K 110742 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 5954 0 NDP 11 0K 2K 166960K 3034 0 temp 87 6824K 6953K 166960K 453116 0 kqueue 13 20K 36K 166960K 13952 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 11824 0 11818 76 74 2 3 0 8 1 rtentry 112 11966 0 11854 12 8 4 4 0 8 0 unpcb 144 79094 0 79075 364 355 9 11 0 8 8 syncache 336 1346 0 1346 43 42 1 1 0 8 1 tcpqe 32 648 0 648 89 88 1 1 0 8 1 tcpcb 808 54812 0 54757 450 439 11 26 0 8 0 arp 120 2076 0 2058 1 0 1 1 0 8 0 ipq 40 528 0 523 8 7 1 1 0 8 0 ipqe 40 9684 0 9678 8 7 1 1 0 8 0 inpcb 336 122988 0 122928 468 457 11 23 0 8 0 ip6q 72 13 0 13 11 11 0 1 0 8 0 ip6af 40 23 0 23 11 11 0 1 0 8 0 nd6 136 3804 0 3778 23 21 2 2 0 8 0 kcovpl 48 1271 0 1260 1 0 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 48141 0 47667 221 190 31 34 0 8 0 art_table 32 48142 0 47667 15 11 4 5 0 8 0 art_node 16 11965 0 11863 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 1261 0 1217 27 21 6 6 0 8 0 dino2pl 256 108631 0 102962 356 1 355 355 0 8 0 ffsino 272 108631 0 102962 379 0 379 379 0 8 0 nchpl 144 201222 0 198012 120 0 120 120 0 8 0 uvmvnodes 80 12160 0 0 249 0 249 249 0 8 0 vnodes 216 12160 0 0 676 0 676 676 0 8 0 namei 1024 857103 0 857103 66 65 1 3 0 8 1 percpumem 16 1053 0 1007 1 0 1 1 0 8 0 kstatmem 264 2036 0 2014 2 0 2 2 0 8 0 scxspl 216 719465 0 719465 178 174 4 8 1 8 4 plimitpl 152 31018 0 30988 2 0 2 2 0 8 0 sigapl 424 79058 0 78992 16 7 9 10 0 8 0 futexpl 64 999785 0 999780 26 25 1 1 0 8 0 knotepl 120 3246 0 0 25 1 24 24 0 8 0 kqueuepl 216 30766 0 30755 268 263 5 8 0 8 4 pipepl 320 16537 0 16500 169 165 4 14 0 8 0 fdescpl 496 79039 0 78992 15 8 7 8 0 8 0 filepl 152 601390 0 601078 370 347 23 27 0 8 8 lockfpl 104 25255 0 25253 14 13 1 3 0 8 0 lockfspl 48 6691 0 6689 1 0 1 1 0 8 0 sessionpl 144 1609 0 1590 4 2 2 2 0 8 0 pgrppl 48 4726 0 4699 1 0 1 1 0 8 0 ucredpl 104 123972 0 123953 1 0 1 1 0 8 0 zombiepl 144 78996 0 78992 1 0 1 1 0 8 0 processpl 1160 79058 0 78992 8 2 6 6 0 8 0 procpl 648 191157 0 191080 20 12 8 8 0 8 1 srpgc 96 40 0 40 19 19 0 1 0 8 0 sosppl 168 918 0 915 29 28 1 1 0 8 0 sockpl 664 215972 0 215887 702 678 24 38 0 8 8 mcl64k 65536 81 0 0 4 1 3 3 0 8 0 mcl16k 16384 53 0 0 7 4 3 7 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 34 0 0 3 1 2 3 0 8 0 mcl8k 8192 33 0 0 4 1 3 3 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 1290 0 0 36 13 23 30 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 7762 0 0 442 0 442 442 0 8 0 bufpl 280 132861 0 120701 869 0 869 869 0 8 0 anonpl 24 9496368 0 9488190 823 738 85 102 0 185 10 amapchunkpl 152 2316225 0 2315329 677 628 49 55 0 158 10 amappl16 200 230520 0 230414 1042 1023 19 33 0 8 7 amappl15 192 29 0 28 4 3 1 1 0 8 0 amappl14 184 3345 0 3332 1 0 1 1 0 8 0 amappl13 176 134 0 133 33 32 1 1 0 8 0 amappl12 168 96463 0 96413 3 0 3 3 0 8 0 amappl11 160 50 0 39 1 0 1 1 0 8 0 amappl10 152 15 0 14 3 2 1 1 0 8 0 amappl9 144 156 0 154 1 0 1 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 2718 0 2704 1 0 1 1 0 8 0 amappl6 120 10197 0 10191 1 0 1 1 0 8 0 amappl5 112 4742 0 4732 1 0 1 1 0 8 0 amappl4 104 5750 0 5730 1 0 1 1 0 8 0 amappl3 96 479134 0 478963 6 1 5 5 0 8 0 amappl2 88 21659 0 21585 5 2 3 3 0 8 0 amappl1 80 456529 0 455898 48 30 18 22 0 8 1 amappl 88 689898 0 689625 8 1 7 7 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 79039 0 78992 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 79039 0 78992 1 0 1 1 0 8 0 vmmpekpl 168 712884 0 712831 7 2 5 5 0 8 0 vmmpepl 168 4884732 0 4882206 679 555 124 144 0 357 6 vmsppl 440 79038 0 78992 12 6 6 7 0 8 0 rwobjpl 56 1274214 0 1260737 272 78 194 196 0 8 0 pdppl 4096 158085 0 157984 2246 2143 103 133 0 8 2 pvpl 32 49059 0 0 392 1 391 391 0 265 0 pmappl 248 79038 0 78992 6 2 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4755 0 3379 40 0 40 40 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8345bff0) 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 __mp_lock(ffffffff8362c170) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362c170) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x6fac9b080b00, count: 9 ddb{0}> trace x86_ipi_db(ffffffff8345bff0) 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 __mp_lock(ffffffff8362c170) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8362c170) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x6fac9b080b00, count: -6 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(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800033804c50,ffff800033804ba0) at sys_sysctl+0x422 syscall(ffff800033804c50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033804c50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb3931516c0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806c8f8dd0,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800033804ae4,5,20000100,ffff800033804b18,0,fffffffffffffe59,ee31e740fd2674b5) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800033804c50,ffff800033804ba0) at sys_sysctl+0x422 syscall(ffff800033804c50) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800033804c50) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdb3931516c0, count: -8