panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 387725 89572 32767 0x10 0 0 syz-executor *132550 89572 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bbf52) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035383490,ffff80002a08a430,ffff80002a08a380) at sys_sysctl+0x422 syscall(ffff80002a08a430) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08a430) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f1b4a4cd60, 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(ffffffff830bbf52) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035383490,ffff80002a08a430,ffff80002a08a380) at sys_sysctl+0x422 syscall(ffff80002a08a430) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08a430) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f1b4a4cd60, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a089f70 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff800035383490 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc04c22f153036fa4 r11 0xed0f94ac3815530a r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff828c7b55 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a089f60 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=132550 pid=89572 tcnt=5 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800035398020,0xffff800035382570 process=0xffff800030772d68 user=0xffff80002a085000, vmspace=0xfffffd8049bf0c08 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89572 387725 91734 32767 7 0x10 syz-executor 89572 145586 91734 32767 3 0x4000090 fsleep syz-executor *89572 132550 91734 32767 7 0x4000010 syz-executor 89572 524152 91734 32767 2 0x4000010 syz-executor 89572 104770 91734 32767 2 0x4000010 syz-executor 53503 269662 41026 32767 3 0x90 nanoslp syz-executor 53503 35213 41026 32767 3 0x4000090 sbwait syz-executor 53503 515761 41026 32767 3 0x4000090 fsleep syz-executor 26920 456571 95434 32767 3 0x90 nanoslp syz-executor 26920 225316 95434 32767 3 0x4000090 netacc syz-executor 26920 260293 95434 32767 3 0x4000090 fsleep syz-executor 49397 256323 2878 32767 3 0x90 nanoslp syz-executor 49397 280449 2878 32767 3 0x4000090 kqread syz-executor 49397 235298 2878 32767 3 0x4000090 fsleep syz-executor 49397 204960 2878 32767 3 0x4000090 fsleep syz-executor 95996 482772 41504 32767 3 0x90 nanoslp syz-executor 95996 162098 41504 32767 3 0x4000090 kqread syz-executor 95996 363313 41504 32767 3 0x4000090 fsleep syz-executor 86564 495096 1305 32767 3 0x90 nanoslp syz-executor 86564 89535 1305 32767 3 0x4000090 sbwait syz-executor 86564 505448 1305 32767 3 0x4000090 sbwait syz-executor 86564 271186 1305 32767 3 0x4000090 fsleep syz-executor 1305 354716 13653 32767 3 0x90 nanoslp syz-executor 13653 84538 67919 0 3 0x82 wait syz-executor 2878 309088 40798 32767 3 0x90 nanoslp syz-executor 40798 317836 67919 0 3 0x82 wait syz-executor 39484 73651 96470 32767 3 0x90 wait syz-executor 96470 430716 67919 0 3 0x82 wait syz-executor 95434 4469 56265 32767 3 0x90 nanoslp syz-executor 56265 29958 67919 0 3 0x82 wait syz-executor 41504 24407 95414 32767 3 0x90 nanoslp syz-executor 95414 498898 67919 0 3 0x82 wait syz-executor 41026 439126 16411 32767 3 0x90 nanoslp syz-executor 16411 168359 67919 0 3 0x82 wait syz-executor 94974 242436 27909 32767 3 0x90 wait syz-executor 27909 514465 67919 0 3 0x82 wait syz-executor 56378 256913 39978 0 3 0x82 netio sshd-session 91734 471297 5739 32767 3 0x90 nanoslp syz-executor 5739 378478 67919 0 3 0x82 wait syz-executor 90537 154417 89910 0 3 0x100082 sbwait ndp 89910 235386 88482 0 3 0x10008a sigsusp sh 88482 505454 1 0 3 0x80 wait syz-executor 16380 372504 86591 32767 3 0x3810 suspend syz-executor 16380 250829 86591 32767 4 0x4081810 syz-executor 86591 294770 1 32767 3 0x90 wait syz-executor 73419 509585 0 0 3 0x14200 bored sosplice 8885 185712 59511 0 3 0x100082 sbwait ndp 59511 200188 69442 0 3 0x10008a sigsusp sh 69442 107135 1 0 3 0x80 wait syz-executor 67919 317392 62123 0 3 0x82 kqread syz-executor 62123 249815 93755 0 3 0x10008a sigsusp ksh 93755 312842 45595 0 3 0x98 kqread sshd-session 45595 74353 39978 0 3 0x92 kqread sshd-session 94185 394063 1 0 3 0x100083 ttyin getty 39978 294806 1 0 3 0x88 kqread sshd 68916 355940 93456 73 3 0x1100090 kqread syslogd 93456 32132 1 0 3 0x100082 sbwait syslogd 60348 396971 1 0 3 0x100080 kqread resolvd 54271 150433 49637 77 3 0x100092 kqread dhcpleased 14953 107650 49637 77 3 0x100092 kqread dhcpleased 49637 144336 1 0 3 0x80 kqread dhcpleased 67484 92583 0 0 3 0x14200 bored smr 97847 119225 0 0 3 0x14200 pgzero zerothread 18076 170681 0 0 3 0x14200 aiodoned aiodoned 33555 33222 0 0 3 0x14200 syncer update 98434 23890 0 0 3 0x14200 cleaner cleaner 47828 308196 0 0 3 0x14200 reaper reaper 45627 84526 0 0 3 0x14200 pgdaemon pagedaemon 36161 408538 0 0 3 0x14200 bored viomb 81139 146803 0 0 3 0x40014200 acpi0 acpi0 70900 500926 0 0 3 0x40014200 idle1 47517 74487 0 0 3 0x14200 bored softnet3 23434 300663 0 0 3 0x14200 bored softnet2 78111 160396 0 0 3 0x14200 bored softnet1 81667 315429 0 0 3 0x14200 bored softnet0 27878 87746 0 0 3 0x14200 bored systqmp 98135 469250 0 0 3 0x14200 bored systq 906 195036 0 0 3 0x14200 tmoslp softclockmp 37616 364019 0 0 3 0x40014200 tmoslp softclock 826 52708 0 0 3 0x40014200 idle0 1 69654 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 89572 (syz-executor) thread 0xffff800035383490 (132550) shared rwlock vmmaplk r = 0 (0xfffffd8049bf0cf8) #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 (0xffffffff83507530) #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+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #6 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1602 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:186 #10 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #11 sys_sysctl+0x422 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834f3d90) #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 10221 14124K 14131K 166960K 12777 0 pcb 17 20K 22K 166960K 25 0 rtable 240 6K 7K 166960K 16795 0 pf 31 16K 16K 166960K 1031 0 ifaddr 42 11K 11K 166960K 2019 0 ifgroup 50 2K 2K 166960K 2034 0 sysctl 4 1K 5K 166960K 16 0 counters 64 36K 36K 166960K 1048 0 ioctlops 0 0K 2K 166960K 1257 0 iov 0 0K 32K 166960K 2372 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1482 93K 93K 166960K 12862 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 450 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 566 0 dirhash 15 2K 4K 166960K 510 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 34 129K 177K 166960K 27459 0 sigio 0 0K 0K 166960K 920 0 proc 59 91K 176K 166960K 16407 0 subproc 143 8K 13K 166960K 8177 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 6318 0 in_multi 99 7K 7K 166960K 6455 0 ether_multi 1 0K 0K 166960K 152 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 10917 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 353 102K 148K 166960K 230282 0 UVM aobj 131 5K 7K 166960K 145 0 pinsyscall 59 118K 142K 166960K 42640 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1769 0 NDP 11 0K 2K 166960K 1500 0 temp 89 6824K 6952K 166960K 181178 0 kqueue 15 24K 36K 166960K 4221 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 4144 0 4137 27 26 1 3 0 8 0 rtentry 112 5770 0 5657 19 15 4 4 0 8 0 unpcb 144 24375 0 24349 126 122 4 10 0 8 2 syncache 336 397 0 397 34 33 1 1 0 8 1 tcpqe 32 148 0 148 41 40 1 1 0 8 1 tcpcb 808 15834 0 15810 187 178 9 16 0 8 5 arp 120 1015 0 997 1 0 1 1 0 8 0 ipq 40 135 0 129 3 2 1 1 0 8 0 ipqe 40 1862 0 1856 3 2 1 1 0 8 0 inpcb 336 36957 0 36922 220 212 8 20 0 8 3 ip6q 72 70 0 70 5 5 0 1 0 8 0 ip6af 40 139 0 139 5 5 0 1 0 8 0 nd6 136 1740 0 1713 5 3 2 2 0 8 0 kcovpl 48 629 0 618 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 23407 0 22940 238 206 32 32 0 8 2 art_table 32 23408 0 22940 10 5 5 5 0 8 0 art_node 16 5769 0 5666 1 0 1 1 0 8 0 sysvmsgpl 40 25 0 18 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 561 0 551 1 0 1 1 0 8 0 shmpl 112 142 0 14 4 0 4 4 0 8 0 dirhash 1024 356 0 333 16 12 4 4 0 8 1 dino2pl 256 33183 0 29954 202 0 202 202 0 8 0 ffsino 272 33183 0 29954 217 1 216 216 0 8 0 nchpl 144 61037 0 58043 114 2 112 112 0 8 0 uvmvnodes 80 9939 0 0 203 0 203 203 0 8 0 vnodes 216 9939 0 0 553 0 553 553 0 8 0 namei 1024 275472 0 275472 46 45 1 3 0 8 1 percpumem 16 538 0 492 1 0 1 1 0 8 0 kstatmem 264 1006 0 984 4 2 2 2 0 8 0 scxspl 216 323610 0 323610 75 72 3 8 1 8 3 plimitpl 152 9938 0 9909 2 0 2 2 0 8 0 sigapl 424 26775 0 26709 14 6 8 9 0 8 0 futexpl 64 298219 0 298212 30 29 1 1 0 8 0 knotepl 120 1521 0 0 26 1 25 25 0 8 0 kqueuepl 216 8684 0 8673 99 94 5 9 0 8 4 pipepl 320 5447 0 5409 53 44 9 11 0 8 5 fdescpl 496 26756 0 26709 27 20 7 8 0 8 0 filepl 152 185592 0 185261 164 146 18 23 0 8 1 lockfpl 104 8034 0 8030 11 10 1 4 0 8 0 lockfspl 48 2045 0 2041 1 0 1 1 0 8 0 sessionpl 144 798 0 778 1 0 1 1 0 8 0 pgrppl 48 1801 0 1773 1 0 1 1 0 8 0 ucredpl 104 34932 0 34912 1 0 1 1 0 8 0 zombiepl 144 26712 0 26709 1 0 1 1 0 8 0 processpl 1160 26775 0 26709 8 2 6 6 0 8 0 procpl 648 60225 0 60142 11 3 8 8 0 8 0 srpgc 96 40 0 40 19 19 0 1 0 8 0 sosppl 168 317 0 317 27 26 1 1 0 8 1 sockpl 664 66044 0 65976 326 313 13 27 0 8 6 mcl64k 65536 52 0 0 4 1 3 3 0 8 0 mcl16k 16384 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 21 0 0 3 1 2 3 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 681 0 0 30 8 22 30 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 6472 0 0 402 0 402 402 0 8 0 bufpl 280 45961 0 36021 711 0 711 711 0 8 0 anonpl 24 3401417 0 3390303 406 291 115 117 0 185 22 amapchunkpl 152 744077 0 743137 266 219 47 51 0 158 9 amappl16 200 76833 0 76555 455 424 31 40 0 8 8 amappl15 192 13 0 13 6 6 0 1 0 8 0 amappl14 184 1674 0 1660 1 0 1 1 0 8 0 amappl13 176 42 0 42 20 20 0 1 0 8 0 amappl12 168 35587 0 35538 4 1 3 3 0 8 0 amappl11 160 55 0 45 1 0 1 1 0 8 0 amappl10 152 17 0 16 2 1 1 1 0 8 0 amappl9 144 140 0 139 3 2 1 1 0 8 0 amappl8 136 28 0 26 1 0 1 1 0 8 0 amappl7 128 1378 0 1364 1 0 1 1 0 8 0 amappl6 120 5070 0 5066 1 0 1 1 0 8 0 amappl5 112 2383 0 2373 1 0 1 1 0 8 0 amappl4 104 2918 0 2898 1 0 1 1 0 8 0 amappl3 96 152289 0 152109 9 4 5 5 0 8 0 amappl2 88 10831 0 10754 7 4 3 3 0 8 0 amappl1 80 190700 0 189997 29 10 19 19 0 8 0 amappl 88 222986 0 222703 7 0 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 72 144 0 14 3 0 3 3 0 8 0 uaddrrnd 24 26756 0 26709 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 26756 0 26709 1 0 1 1 0 8 0 vmmpekpl 168 246188 0 246126 8 4 4 5 0 8 0 vmmpepl 168 1722814 0 1719991 423 282 141 152 0 357 8 vmsppl 440 26755 0 26709 25 19 6 7 0 8 0 rwobjpl 56 470366 0 458864 207 39 168 168 0 8 2 pdppl 4096 53519 0 53418 1473 1370 103 125 0 8 2 pvpl 32 47278 0 0 376 0 376 376 0 265 0 pmappl 248 26755 0 26709 6 2 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3079 0 2069 30 0 30 30 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834e6ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:154 syscall(ffff80002a0a8340) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0a8340) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79436a631490, count: 9 ddb{0}> trace x86_ipi_db(ffffffff834e6ff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:154 syscall(ffff80002a0a8340) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0a8340) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79436a631490, 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(ffffffff830bbf52) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035383490,ffff80002a08a430,ffff80002a08a380) at sys_sysctl+0x422 syscall(ffff80002a08a430) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08a430) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f1b4a4cd60, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bbf52) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8049bf0c08,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a08a2c4,5,20000100,ffff80002a08a2f8,0,67,c9aa7c1ba56272f8) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035383490,ffff80002a08a430,ffff80002a08a380) at sys_sysctl+0x422 syscall(ffff80002a08a430) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a08a430) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9f1b4a4cd60, count: -8