panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *126858 18878 0 0x1000 0x4080000 1K syz-executor 350512 20692 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830cbcb0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371e4ce0,ffff800037281420,ffff800037281370) at sys_sysctl+0x425 syscall(ffff800037281420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037281420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2332dc2bbf0, 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(ffffffff830cbcb0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371e4ce0,ffff800037281420,ffff800037281370) at sys_sysctl+0x425 syscall(ffff800037281420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037281420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2332dc2bbf0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800037280f70 rbx 0xffff800029b7cdbf rdx 0xffff8000012ac280 rcx 0xffff8000371e4ce0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x24a7a176069fc9e8 r11 0xc755edbadb29fd83 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff817ca965 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037280f60 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=126858 pid=18878 tcnt=4 stat=onproc flags process=1000 proc=4080000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000371e7978 scnt=3 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371e7978,0xffff8000371e4f78 process=0xffff80003725d220 user=0xffff80003727c000, vmspace=0xfffffd8068dbae20 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 51169 117260 45637 0 4 0x82000 syz-executor 51169 294207 45637 0 3 0x4082000 getblk syz-executor 51169 35752 45637 0 3 0x4082000 inode syz-executor 51169 383314 45637 0 3 0x4002000 suspend syz-executor 18878 324090 89859 0 3 0x3000 suspend syz-executor *18878 126858 89859 0 7 0x4081000 syz-executor 18878 338577 89859 0 2 0x4081000 syz-executor 18878 325311 89859 0 2 0x4081000 syz-executor 79010 229443 71582 0 2 0 syz-executor 79010 137499 71582 0 3 0x4000000 biowait syz-executor 92935 296794 86133 0 3 0x2 biowait syz-executor 76606 93799 1 0 3 0x100083 ttyin getty 48048 378827 0 0 3 0x14200 acct acct 45637 84227 86133 0 3 0x82 nanoslp syz-executor 58771 232777 86133 0 3 0x2 biowait syz-executor 34045 109013 0 0 3 0x14280 nfsidl nfsio 35001 503332 0 0 3 0x14280 nfsidl nfsio 83898 504974 0 0 3 0x14280 nfsidl nfsio 47771 482115 0 0 3 0x14280 nfsidl nfsio 70287 138206 0 0 3 0x14280 nfsidl nfsio 62149 62024 0 0 3 0x14280 nfsidl nfsio 75035 187225 0 0 3 0x14280 nfsidl nfsio 30917 108141 0 0 3 0x14280 nfsidl nfsio 70314 252238 0 0 3 0x14280 nfsidl nfsio 85410 148812 0 0 3 0x14280 nfsidl nfsio 11504 282219 0 0 3 0x14280 nfsidl nfsio 65212 300573 0 0 3 0x14280 nfsidl nfsio 96674 368910 0 0 3 0x14280 nfsidl nfsio 78540 126571 0 0 3 0x14280 nfsidl nfsio 36659 506537 0 0 3 0x14280 nfsidl nfsio 71997 101592 0 0 3 0x14280 nfsidl nfsio 8161 345983 0 0 3 0x14280 nfsidl nfsio 24143 180793 0 0 3 0x14280 nfsidl nfsio 19843 232774 0 0 3 0x14280 nfsidl nfsio 57431 191401 0 0 3 0x14280 nfsidl nfsio 17514 215091 0 0 3 0x14200 bored sosplice 44696 447388 86133 0 3 0x82 nanoslp syz-executor 89859 19034 86133 0 3 0x82 nanoslp syz-executor 71582 435093 86133 0 3 0x82 nanoslp syz-executor 24668 468856 86133 0 3 0x82 wait syz-executor 56086 465733 86133 0 3 0x2 biowait syz-executor 86133 397307 32967 0 3 0x82 kqread syz-executor 32967 277715 14970 0 3 0x10008a sigsusp ksh 14970 519087 61791 0 3 0x98 kqread sshd-session 61791 80155 54391 0 3 0x92 kqread sshd-session 54391 371110 1 0 3 0x88 kqread sshd 21593 185591 89918 74 3 0x1100092 bpf pflogd 89918 192468 1 0 3 0x80 sbwait pflogd 28739 273119 30390 73 3 0x1100090 kqread syslogd 30390 398222 1 0 3 0x100082 sbwait syslogd 62787 61946 1 0 3 0x100080 kqread resolvd 62431 155575 4901 77 3 0x100092 kqread dhcpleased 84001 214331 4901 77 3 0x100092 kqread dhcpleased 4901 204772 1 0 3 0x80 kqread dhcpleased 39815 27766 0 0 3 0x14200 pause smr 34524 243754 0 0 2 0x14200 zerothread 77847 205530 0 0 3 0x14200 aiodoned aiodoned 83891 98078 0 0 3 0x14200 syncer update 94165 215618 0 0 3 0x14200 cleaner cleaner 20692 350512 0 0 7 0x14200 reaper 70385 232272 0 0 3 0x14200 pgdaemon pagedaemon 39185 280523 0 0 3 0x14200 bored viomb 483 41624 0 0 3 0x40014200 acpi0 acpi0 73006 521235 0 0 3 0x40014200 idle1 32546 43268 0 0 3 0x14200 bored softnet3 29613 281040 0 0 3 0x14200 bored softnet2 18930 89963 0 0 3 0x14200 bored softnet1 42764 51787 0 0 2 0x14200 softnet0 6294 414861 0 0 3 0x14200 bored systqmp 49345 305787 0 0 3 0x14200 bored systq 62766 338792 0 0 3 0x14200 tmoslp softclockmp 80134 27380 0 0 3 0x40014200 tmoslp softclock 64054 289638 0 0 3 0x40014200 idle0 1 195527 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff83640910) #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_pmr_freepages+0x165 sys/uvm/uvm_pmemrange.c:1320 #4 uvm_anfree_list+0x210 sys/uvm/uvm_anon.c:116 #5 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #6 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #7 uvm_map_teardown+0x354 sys/uvm/uvm_map.c:2516 #8 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #9 reaper+0x246 sys/kern/kern_exit.c:477 #10 proc_trampoline+0x10 exclusive mutex &uvm.pageqlock r = 0 (0xffffffff836408e0) #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_anfree_list+0xeb sys/uvm/uvm_anon.c:104 #4 amap_wipeout+0x248 sys/uvm/uvm_amap.c:502 #5 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #6 uvm_map_teardown+0x354 sys/uvm/uvm_map.c:2516 #7 uvmspace_free+0xcd sys/uvm/uvm_map.c:3420 #8 reaper+0x246 sys/kern/kern_exit.c:477 #9 proc_trampoline+0x10 Process 51169 (syz-executor) thread 0xffff8000371e51f0 (294207) Process 18878 (syz-executor) thread 0xffff8000371e4ce0 (126858) Process 79010 (syz-executor) thread 0xffff8000ffff3bf8 (137499) Process 92935 (syz-executor) thread 0xffff8000371e5700 (296794) Process 58771 (syz-executor) thread 0xffff8000ffff22a8 (232777) Process 56086 (syz-executor) thread 0xffff80002a03e018 (465733) Process 20692 (reaper) thread 0xffff800029fd9448 (350512) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10210 11210K 11530K 166960K 13963 0 pcb 17 15K 16K 166960K 424 0 rtable 175 6K 8K 166960K 644 0 pf 36 18K 273K 166960K 136 0 ifaddr 35 5K 7K 166960K 99 0 ifgroup 55 2K 2K 166960K 168 0 sysctl 4 1K 1K 166960K 9 0 counters 64 36K 37K 166960K 128 0 ioctlops 0 0K 4K 166960K 1688 0 iov 0 0K 24K 166960K 240 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1492 94K 94K 166960K 2966 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 24 0 VM map 2 1K 1K 166960K 2 0 sem 24 1K 1K 166960K 69 0 dirhash 12 2K 2K 166960K 54 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 14 49K 89K 166960K 1883 0 sigio 0 0K 0K 166960K 36 0 proc 72 91K 127K 166960K 795 0 subproc 104 6K 6K 166960K 144 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 522 0 in_multi 60 4K 7K 166960K 189 0 ether_multi 1 0K 0K 166960K 15 0 mrt 2 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 650 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 240 77K 88K 166960K 19186 0 UVM aobj 42 6K 6K 166960K 44 0 pinsyscall 39 78K 102K 166960K 3069 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 151 0 NDP 12 0K 1K 166960K 70 0 temp 81 6828K 7082K 166960K 81705 0 kqueue 13 20K 30K 166960K 300 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 120 362 0 358 5 4 1 3 0 8 0 rtentry 112 197 0 120 4 1 3 4 0 8 0 unpcb 144 1340 0 1319 14 13 1 6 0 8 0 syncache 336 11 0 11 4 4 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 716 0 708 19 11 8 8 0 8 7 arp 120 39 0 21 1 0 1 1 0 8 0 inpcb 336 2373 0 2357 22 15 7 7 0 8 5 nd6 136 48 0 28 1 0 1 1 0 8 0 pkpcb 40 8 0 8 4 4 0 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1168 13 0 13 4 4 0 1 0 8 0 pffrag 232 12 0 4 1 0 1 1 0 482 0 pffrnode 88 11 0 4 1 0 1 1 0 8 0 pffrent 40 122 0 114 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 pfstitem 24 139 0 50 1 0 1 1 0 8 0 pfstkey 128 139 0 50 4 0 4 4 0 8 0 pfstate 376 138 0 50 10 0 10 10 0 8 0 pfrule 1344 22 0 16 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 807 0 502 33 10 23 29 0 8 0 art_table 32 808 0 502 4 1 3 4 0 8 0 art_node 16 195 0 131 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 12 2 1 1 1 0 8 0 semapl 112 59 0 37 1 0 1 1 0 8 0 shmpl 112 41 0 2 2 0 2 2 0 8 0 dirhash 1024 46 0 29 3 0 3 3 0 8 0 dino2pl 256 4764 0 3251 95 0 95 95 0 8 0 ffsino 272 4764 0 3251 104 2 102 102 0 8 0 nchpl 144 7364 0 5669 64 0 64 64 0 8 0 uvmvnodes 80 5822 0 0 119 0 119 119 0 8 0 vnodes 216 5822 0 0 324 0 324 324 0 8 0 namei 1024 25869 0 25865 7 5 2 2 0 8 1 percpumem 16 78 0 32 1 0 1 1 0 8 0 kstatmem 264 88 0 64 3 0 3 3 0 8 0 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 23388 0 23384 12 11 1 8 1 8 0 plimitpl 152 542 0 525 1 0 1 1 0 8 0 sigapl 424 2206 0 2137 9 0 9 9 0 8 0 futexpl 64 24720 0 24720 1 0 1 1 0 8 1 knotepl 120 786 0 0 24 0 24 24 0 8 0 kqueuepl 216 604 0 595 9 8 1 5 0 8 0 pipepl 320 297 0 270 5 2 3 5 0 8 0 fdescpl 496 2165 0 2137 6 1 5 5 0 8 0 filepl 152 14528 0 14263 39 26 13 29 0 8 0 lockfpl 104 645 0 643 2 1 1 2 0 8 0 lockfspl 48 274 0 272 1 0 1 1 0 8 0 sessionpl 144 33 0 24 1 0 1 1 0 8 0 pgrppl 48 83 0 66 1 0 1 1 0 8 0 ucredpl 104 2528 0 2515 1 0 1 1 0 8 0 zombiepl 144 2158 0 2155 5 4 1 1 0 8 0 processpl 1160 2206 0 2137 6 0 6 6 0 8 0 procpl 648 5071 0 4993 8 0 8 8 0 8 0 srpgc 96 11 0 11 2 2 0 1 0 8 0 sosppl 168 15 0 15 7 6 1 1 0 8 1 sockpl 664 4149 0 4109 36 27 9 15 0 8 5 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 147 0 0 19 0 19 19 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 35 0 0 5 0 5 5 0 8 0 mtagpl 96 49 0 0 2 0 2 2 0 8 0 mbufpl 256 697 0 0 43 0 43 43 0 8 0 bufpl 280 6732 0 558 442 0 442 442 0 8 0 anonpl 24 332225 0 326066 109 41 68 82 0 185 10 amapchunkpl 152 63094 0 62504 51 24 27 35 0 158 0 amappl16 200 8321 0 8222 57 38 19 29 0 8 7 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 132 0 120 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 2866 0 2838 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 164 0 163 1 0 1 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 189 0 177 1 0 1 1 0 8 0 amappl6 120 194 0 192 1 0 1 1 0 8 0 amappl5 112 158 0 146 1 0 1 1 0 8 0 amappl4 104 338 0 320 1 0 1 1 0 8 0 amappl3 96 11581 0 11491 3 0 3 3 0 8 0 amappl2 88 2516 0 2434 3 0 3 3 0 8 0 amappl1 80 14673 0 14114 14 0 14 14 0 8 0 amappl 88 18578 0 18401 6 1 5 5 0 92 0 dma8192 8192 1 0 1 1 1 0 1 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 128 255 0 255 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 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 43 0 2 1 0 1 1 0 8 0 uaddrrnd 24 2165 0 2137 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2165 0 2137 1 0 1 1 0 8 0 vmmpekpl 168 17381 0 17326 3 0 3 3 0 8 0 vmmpepl 168 139356 0 137527 136 36 100 108 0 357 6 vmsppl 448 2164 0 2137 6 2 4 5 0 8 0 rwobjpl 56 44180 0 37295 103 2 101 101 0 8 0 pdppl 4096 4337 0 4274 127 56 71 83 0 8 8 pvpl 32 19702 0 0 159 0 159 159 0 265 0 pmappl 248 2164 0 2137 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 500 0 112 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83472ff0) 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(ffffffff83632fd8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 reaper(ffff800029fd9448) at reaper+0x24b sys/kern/kern_exit.c:478 end trace frame: 0x0, count: 10 ddb{0}> trace x86_ipi_db(ffffffff83472ff0) 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(ffffffff83632fd8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83632fd8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 reaper(ffff800029fd9448) at reaper+0x24b sys/kern/kern_exit.c:478 end trace frame: 0x0, 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(ffffffff830cbcb0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371e4ce0,ffff800037281420,ffff800037281370) at sys_sysctl+0x425 syscall(ffff800037281420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037281420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2332dc2bbf0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830cbcb0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd8068dbae20,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000372812b4,2,20000100,ffff8000372812e8,0,27,cba14b0d5d384be4) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371e4ce0,ffff800037281420,ffff800037281370) at sys_sysctl+0x425 syscall(ffff800037281420) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800037281420) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2332dc2bbf0, count: -8