panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 79758 17320 0 0 0x4000000 1K syz-executor 269349 39866 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83408ad9) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000780,31) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c52d064,1,400000000780,ffff80003c52d098,400000000800,0,2862b3a0314478a0) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000384d47e0,ffff80003c52d1d0,ffff80003c52d120) at sys_sysctl+0x425 syscall(ffff80003c52d1d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d1d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe941338dd60, count: 6 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:438 panic(ffffffff83408ad9) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000780,31) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c52d064,1,400000000780,ffff80003c52d098,400000000800,0,2862b3a0314478a0) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000384d47e0,ffff80003c52d1d0,ffff80003c52d120) at sys_sysctl+0x425 syscall(ffff80003c52d1d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d1d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe941338dd60, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c52cce0 rbx 0xffff800029a9cdc7 rdx 0 rcx 0xffff8000384d47e0 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe214e5fb0226d461 r11 0x5ea52a01996c5c24 r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82fec985 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c52ccd0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=79758 pid=17320 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000358bea68,0xffff8000384d42d0 process=0xffff8000384d8020 user=0xffff80003c528000, vmspace=0xfffffd806bbd91e8 estcpu=21, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 17320 303456 70169 0 2 0 syz-executor 17320 245005 70169 0 2 0x4000000 syz-executor *17320 79758 70169 0 7 0x4000000 syz-executor 17320 77072 70169 0 2 0x4000000 syz-executor 33500 457284 47758 -1 2 0x10 syz-executor 33500 396653 47758 -1 3 0x4000090 kqpoll syz-executor 21060 212025 88848 0 2 0 syz-executor 21060 362188 88848 0 3 0x4000080 fsleep syz-executor 21060 381981 88848 0 3 0x4000080 fsleep syz-executor 21060 523375 88848 0 3 0x4000080 fsleep syz-executor 21060 38035 88848 0 3 0x4000080 fsleep syz-executor 21060 368050 88848 0 3 0x4000080 fsleep syz-executor 21060 172748 88848 0 3 0x4000080 fsleep syz-executor 21060 226208 88848 0 3 0x4000080 fsleep syz-executor 64440 48390 39866 0 3 0x80 nanoslp syz-executor 64440 431730 39866 0 3 0x4000080 kqread syz-executor 64440 298715 39866 0 3 0x4000080 fsleep syz-executor 17484 28011 0 0 3 0x14200 acct acct 98675 370116 1 0 3 0x100083 ttyopn getty 3589 315173 0 0 3 0x14200 bored sosplice 32011 504697 81254 0 3 0x100082 sbwait arp 81254 208723 25220 0 3 0x10008a sigsusp sh 8229 136148 48087 0 3 0x82 wait syz-executor 39866 269349 48087 0 7 0x3 syz-executor 36580 505417 48087 0 3 0x82 nanoslp syz-executor 25220 250067 48087 0 3 0x82 wait syz-executor 61534 230897 48087 0 3 0x82 wait syz-executor 88848 9988 48087 0 3 0x82 nanoslp syz-executor 70169 63489 48087 0 3 0x82 nanoslp syz-executor 47758 204404 48087 0 3 0x82 nanoslp syz-executor 48087 35850 36440 0 3 0x82 kqread syz-executor 36440 460081 49742 0 3 0x10008a sigsusp ksh 49742 305555 22956 0 3 0x98 kqread sshd-session 22956 38807 98891 0 3 0x92 kqread sshd-session 98891 505980 1 0 3 0x88 kqread sshd 71959 7223 11901 74 3 0x1100092 bpf pflogd 11901 476470 1 0 3 0x80 sbwait pflogd 57518 319977 57788 73 3 0x1100090 kqread syslogd 57788 417384 1 0 3 0x100082 sbwait syslogd 3937 106749 1 0 3 0x100080 kqread resolvd 68729 474597 20991 77 3 0x100092 kqread dhcpleased 31833 411957 20991 77 3 0x100092 kqread dhcpleased 20991 7130 1 0 3 0x80 kqread dhcpleased 27541 341182 0 0 3 0x14200 bored smr 58064 204842 0 0 2 0x14200 zerothread 21481 170272 0 0 3 0x14200 aiodoned aiodoned 69260 350014 0 0 3 0x14200 syncer update 88815 82241 0 0 3 0x14200 cleaner cleaner 10926 285696 0 0 3 0x14200 reaper reaper 68100 92078 0 0 3 0x14200 pgdaemon pagedaemon 68286 361802 0 0 3 0x14200 bored viomb 13049 363644 0 0 3 0x40014200 acpi0 acpi0 29854 492769 0 0 3 0x40014200 idle1 73673 344749 0 0 3 0x14200 bored softnet3 66665 500568 0 0 3 0x14200 bored softnet2 22592 506650 0 0 3 0x14200 bored softnet1 39908 102249 0 0 3 0x14200 bored softnet0 89933 108099 0 0 3 0x14200 bored systqmp 43741 262236 0 0 3 0x14200 bored systq 7818 467892 0 0 3 0x14200 tmoslp softclockmp 48319 100086 0 0 3 0x40014200 tmoslp softclock 24416 149180 0 0 3 0x40014200 idle0 1 163770 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 17320 (syz-executor) thread 0xffff8000384d47e0 (79758) shared rwlock vmmaplk r = 0 (0xfffffd806bbd92e8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #4 kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83937798) #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+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #7 kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 #8 sys_sysctl+0x425 #9 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837f3ef8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187 #3 kern_sysctl+0x9e0 sys/kern/kern_sysctl.c:628 #4 sys_sysctl+0x425 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 11218K 11279K 166960K 11657 0 pcb 17 12K 12K 166960K 50 0 rtable 210 5K 6K 166960K 405 0 pf 34 17K 18K 166960K 50 0 ifaddr 39 6K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 62 0 sysctl 2 1K 1K 166960K 2 0 counters 64 36K 36K 166960K 68 0 ioctlops 0 0K 4K 166960K 1503 0 iov 0 0K 16K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1402 88K 88K 166960K 1639 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 326 0 sigio 0 0K 0K 166960K 5 0 proc 72 91K 140K 166960K 551 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 2 0K 0K 166960K 21 0 in_multi 79 5K 6K 166960K 96 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 393 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 73K 77K 166960K 4559 0 UVM aobj 7 2K 2K 166960K 9 0 pinsyscall 45 90K 104K 166960K 1399 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 12 0K 1K 166960K 29 0 temp 44 8643K 8710K 166960K 7795 0 kqueue 15 24K 28K 166960K 61 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 47 0 42 1 0 1 1 0 8 0 rtentry 112 106 0 8 3 0 3 3 0 8 0 unpcb 144 157 0 138 2 0 2 2 0 8 1 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 64 0 60 1 0 1 1 0 8 0 arp 120 19 0 0 1 0 1 1 0 8 0 inpcb 376 215 0 207 2 0 2 2 0 8 0 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 136 22 0 3 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 0 1 1 0 8 1 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 3 0 1 1 0 1 1 0 8 0 pffrent 40 5 0 2 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 30 0 0 1 0 1 1 0 8 0 pfstkey 128 30 0 0 1 0 1 1 0 8 0 pfstate 376 30 0 0 3 0 3 3 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 413 0 40 26 0 26 26 0 8 1 art_table 32 414 0 40 4 0 4 4 0 8 0 art_node 16 105 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semapl 112 4 0 1 1 0 1 1 0 8 0 shmpl 112 6 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1937 0 433 95 0 95 95 0 8 0 ffsino 280 1937 0 433 109 0 109 109 0 8 0 nchpl 144 2396 0 707 63 0 63 63 0 8 0 uvmvnodes 80 2236 0 0 46 0 46 46 0 8 0 vnodes 216 2236 0 0 125 0 125 125 0 8 0 namei 1024 7788 0 7788 2 0 2 2 0 8 2 percpumem 16 48 0 2 1 0 1 1 0 8 0 kstatmem 264 28 0 4 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 7645 0 7645 5 2 3 3 1 8 3 plimitpl 152 54 0 35 1 0 1 1 0 8 0 sigapl 424 627 0 574 8 1 7 7 0 8 0 futexpl 64 3093 0 3085 1 0 1 1 0 8 0 knotepl 120 303 0 0 10 0 10 10 0 8 0 kqueuepl 216 84 0 72 1 0 1 1 0 8 0 pipepl 328 122 0 95 3 0 3 3 0 8 0 fdescpl 504 607 0 574 5 0 5 5 0 8 0 filepl 152 2701 0 2465 14 0 14 14 0 8 3 lockfpl 104 87 0 84 1 0 1 1 0 8 0 lockfspl 48 35 0 32 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 262 0 247 1 0 1 1 0 8 0 zombiepl 144 577 0 574 1 0 1 1 0 8 0 processpl 1176 627 0 574 5 0 5 5 0 8 0 procpl 656 980 0 914 7 1 6 6 0 8 0 sockpl 688 429 0 397 5 0 5 5 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 33 0 0 5 0 5 5 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 329 0 0 21 0 21 21 0 8 0 bufpl 280 2834 0 139 193 0 193 193 0 8 0 anonpl 24 115267 0 111651 37 3 34 34 0 184 10 amapchunkpl 152 14280 0 13705 25 0 25 25 0 158 2 amappl16 200 2038 0 2010 5 2 3 5 0 8 0 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 107 0 94 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1314 0 1280 3 1 2 2 0 8 0 amappl11 160 75 0 61 1 0 1 1 0 8 0 amappl10 152 4 0 3 1 0 1 1 0 8 0 amappl9 144 242 0 242 1 1 0 1 0 8 0 amappl8 136 36 0 34 1 0 1 1 0 8 0 amappl7 128 108 0 95 1 0 1 1 0 8 0 amappl6 120 178 0 174 1 0 1 1 0 8 0 amappl5 112 143 0 134 1 0 1 1 0 8 0 amappl4 104 314 0 293 1 0 1 1 0 8 0 amappl3 96 2569 0 2438 4 0 4 4 0 8 0 amappl2 88 628 0 563 2 0 2 2 0 8 0 amappl1 80 8205 0 7616 14 1 13 14 0 8 0 amappl 88 4182 0 3985 5 0 5 5 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 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 607 0 574 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 607 0 574 1 0 1 1 0 8 0 vmmpekpl 168 6644 0 6613 2 0 2 2 0 8 0 vmmpepl 168 42957 0 40986 86 0 86 86 0 357 0 vmsppl 456 606 0 574 5 0 5 5 0 8 0 rwobjpl 64 16744 0 13498 53 0 53 53 0 8 0 pdppl 4096 1221 0 1148 95 21 74 85 0 8 1 pvpl 32 12673 0 0 103 0 103 103 0 265 0 pmappl 248 606 0 574 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 278 0 24 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8384fff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83937590) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83937590) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 ktrstruct(ffff8000ffffa7d0,ffffffff83337a40,ffff80002a474fd0,10) at ktrstruct+0xe2 sys/kern/kern_ktrace.c:313 sys_nanosleep(ffff8000ffffa7d0,ffff80002a475110,ffff80002a475060) at sys_nanosleep+0x109 sys/kern/kern_time.c:294 syscall(ffff80002a475110) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a475110) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7291c26ea1c0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff8384fff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83937590) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83937590) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 ktrstruct(ffff8000ffffa7d0,ffffffff83337a40,ffff80002a474fd0,10) at ktrstruct+0xe2 sys/kern/kern_ktrace.c:313 sys_nanosleep(ffff8000ffffa7d0,ffff80002a475110,ffff80002a475060) at sys_nanosleep+0x109 sys/kern/kern_time.c:294 syscall(ffff80002a475110) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a475110) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7291c26ea1c0, count: -9 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:438 panic(ffffffff83408ad9) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000780,31) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c52d064,1,400000000780,ffff80003c52d098,400000000800,0,2862b3a0314478a0) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000384d47e0,ffff80003c52d1d0,ffff80003c52d120) at sys_sysctl+0x425 syscall(ffff80003c52d1d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d1d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe941338dd60, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83408ad9) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1741 uvm_fault_unwire(fffffd806bbd91e8,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 sysctl_vsunlock(400000000780,31) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 kern_sysctl(ffff80003c52d064,1,400000000780,ffff80003c52d098,400000000800,0,2862b3a0314478a0) at kern_sysctl+0xa8d sys/kern/kern_sysctl.c:635 sys_sysctl(ffff8000384d47e0,ffff80003c52d1d0,ffff80003c52d120) at sys_sysctl+0x425 syscall(ffff80003c52d1d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c52d1d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe941338dd60, count: -9