panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *354264 41176 0 0 0x4000000 1 syz-executor 236804 41176 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830cc5bf) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371996f0,ffff8000371e74f0,ffff8000371e7440) at sys_sysctl+0x425 syscall(ffff8000371e74f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371e74f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfb1af2d6b0, 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(ffffffff830cc5bf) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371996f0,ffff8000371e74f0,ffff8000371e7440) at sys_sysctl+0x425 syscall(ffff8000371e74f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371e74f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfb1af2d6b0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371e7040 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000371996f0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa1803e2a25482e87 r11 0x92ff1ce453cb55d5 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81ac00e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371e7030 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=354264 pid=41176 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371f1c08,0xffff8000371982c0 process=0xffff8000371b56c8 user=0xffff8000371e2000, vmspace=0xfffffd806ba39e28 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41176 263337 4782 0 2 0 syz-executor *41176 354264 4782 0 7 0x4000000 syz-executor 41176 236804 4782 0 7 0x4000000 syz-executor 29448 33364 96521 0 2 0 syz-executor 29448 203632 96521 0 2 0x4000000 syz-executor 35527 279216 11952 0 2 0 syz-executor 35527 470631 11952 0 3 0x4000080 fsleep syz-executor 73422 400164 31419 0 3 0x90 nanoslp syz-executor 73422 377092 31419 0 3 0x4000090 kqpoll syz-executor 73422 332027 31419 0 3 0x4000090 fsleep syz-executor 42891 430615 63597 0 3 0x80 nanoslp syz-executor 42891 201906 63597 0 3 0x4000080 ttyin syz-executor 40010 458596 0 0 3 0x14200 bored sosplice 61996 523318 47354 0 3 0x80 nanoslp syz-executor 61996 101904 47354 0 3 0x4000080 netacc syz-executor 61996 155110 47354 0 3 0x4000080 fsleep syz-executor 61996 474925 47354 0 3 0x4000080 kqsel syz-executor 19491 161465 36097 60929 3 0x90 nanoslp syz-executor 19491 49015 36097 60929 3 0x4000090 msgwait syz-executor 19491 148022 36097 60929 3 0x4000090 msgwait syz-executor 19491 503096 36097 60929 3 0x4000090 fsleep syz-executor 96521 501482 51362 0 3 0x82 nanoslp syz-executor 88506 207994 51362 0 3 0x82 nanoslp syz-executor 31419 74378 51362 0 3 0x82 nanoslp syz-executor 4782 404808 51362 0 3 0x82 nanoslp syz-executor 36097 99311 51362 0 3 0x82 nanoslp syz-executor 63597 368613 51362 0 3 0x82 nanoslp syz-executor 47354 18617 51362 0 3 0x82 nanoslp syz-executor 11952 256689 51362 0 3 0x82 nanoslp syz-executor 51362 179587 3700 0 3 0x82 kqread syz-executor 3700 189287 42300 0 3 0x10008a sigsusp ksh 42300 455636 50929 0 3 0x98 kqread sshd-session 50929 115615 24005 0 3 0x92 kqread sshd-session 75290 24378 1 0 3 0x100083 ttyin getty 24005 450500 1 0 3 0x88 kqread sshd 7827 389587 20506 74 3 0x1100092 bpf pflogd 20506 389011 1 0 3 0x80 sbwait pflogd 78526 294960 57277 73 3 0x1100090 kqread syslogd 57277 422867 1 0 3 0x100082 sbwait syslogd 31194 275733 1 0 3 0x100080 kqread resolvd 29371 338944 53789 77 3 0x100092 kqread dhcpleased 38621 9944 53789 77 3 0x100092 kqread dhcpleased 53789 219508 1 0 3 0x80 kqread dhcpleased 40688 196259 0 0 3 0x14200 bored smr 31694 397277 0 0 3 0x14200 pgzero zerothread 65655 221321 0 0 3 0x14200 aiodoned aiodoned 95611 187213 0 0 3 0x14200 syncer update 94150 181246 0 0 3 0x14200 cleaner cleaner 73461 420897 0 0 3 0x14200 reaper reaper 45259 424043 0 0 3 0x14200 pgdaemon pagedaemon 41983 333776 0 0 3 0x14200 bored viomb 42684 155560 0 0 3 0x40014200 acpi0 acpi0 96094 20256 0 0 3 0x40014200 idle1 33458 172212 0 0 3 0x14200 bored softnet3 40129 133510 0 0 3 0x14200 bored softnet2 55251 202023 0 0 3 0x14200 bored softnet1 33467 353262 0 0 3 0x14200 bored softnet0 41020 118953 0 0 3 0x14200 bored systqmp 65687 410579 0 0 3 0x14200 bored systq 13397 65891 0 0 3 0x14200 tmoslp softclockmp 36835 319707 0 0 3 0x40014200 tmoslp softclock 75123 250581 0 0 3 0x40014200 idle0 1 433098 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 41176 (syz-executor) thread 0xffff8000371996f0 (354264) shared rwlock vmmaplk r = 0 (0xfffffd806ba39f20) #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:1656 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a0b68) #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:186 #2 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834bd7d0) #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:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [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 10197 11251K 11444K 166960K 11445 0 pcb 17 12K 12K 166960K 57 0 rtable 241 7K 7K 166960K 374 0 pf 35 17K 18K 166960K 56 0 ifaddr 44 7K 8K 166960K 53 0 ifgroup 55 2K 2K 166960K 69 0 sysctl 2 0K 0K 166960K 2 0 counters 64 36K 36K 166960K 72 0 ioctlops 0 0K 4K 166960K 1491 0 iov 0 0K 16K 166960K 11 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1374 86K 87K 166960K 1469 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 93K 166960K 265 0 sigio 0 0K 0K 166960K 8 0 proc 72 91K 152K 166960K 537 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 17 0 in_multi 105 7K 7K 166960K 115 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 377 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 248 73K 74K 166960K 4041 0 UVM aobj 8 3K 3K 166960K 9 0 pinsyscall 43 86K 104K 166960K 1339 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 10 0 NDP 13 0K 1K 166960K 34 0 temp 44 6816K 6882K 166960K 12716 0 kqueue 13 20K 24K 166960K 42 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 39 0 36 1 0 1 1 0 8 0 rtentry 112 117 0 5 4 0 4 4 0 8 0 unpcb 144 184 0 155 4 2 2 4 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 808 50 0 42 1 0 1 1 0 8 0 arp 120 20 0 1 1 0 1 1 0 8 0 inpcb 336 257 0 240 4 2 2 4 0 8 0 nd6 136 25 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 2 0 2 1 1 0 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 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 27 0 0 1 0 1 1 0 8 0 pfstkey 128 27 0 0 1 0 1 1 0 8 0 pfstate 376 27 0 0 3 0 3 3 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 491 0 31 31 2 29 31 0 8 0 art_table 32 492 0 31 4 0 4 4 0 8 0 art_node 16 116 0 14 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 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1788 0 279 95 0 95 95 0 8 0 ffsino 272 1788 0 279 101 0 101 101 0 8 0 nchpl 144 2171 0 484 63 0 63 63 0 8 0 uvmvnodes 80 1948 0 0 40 0 40 40 0 8 0 vnodes 216 1948 0 0 109 0 109 109 0 8 0 namei 1024 6927 0 6927 3 2 1 2 0 8 1 percpumem 16 50 0 4 1 0 1 1 0 8 0 kstatmem 264 32 0 8 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 6281 0 6280 3 2 1 2 1 8 0 plimitpl 152 41 0 23 1 0 1 1 0 8 0 sigapl 424 565 0 514 8 2 6 7 0 8 0 futexpl 64 2272 0 2268 1 0 1 1 0 8 0 knotepl 120 289 0 0 9 0 9 9 0 8 0 kqueuepl 216 57 0 44 1 0 1 1 0 8 0 pipepl 320 127 0 99 3 0 3 3 0 8 0 fdescpl 496 546 0 514 5 0 5 5 0 8 0 filepl 152 2498 0 2221 14 3 11 14 0 8 0 lockfpl 104 38 0 36 1 0 1 1 0 8 0 lockfspl 48 17 0 15 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 198 0 183 1 0 1 1 0 8 0 zombiepl 144 515 0 514 1 0 1 1 0 8 0 processpl 1160 565 0 514 5 1 4 5 0 8 0 procpl 648 801 0 737 7 1 6 6 0 8 0 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 664 483 0 434 10 5 5 9 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 143 0 0 18 0 18 18 0 8 0 mcl2k 2048 22 0 0 3 0 3 3 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 167 0 0 10 0 10 10 0 8 0 bufpl 280 2520 0 97 174 0 174 174 0 8 0 anonpl 24 137594 0 133983 25 2 23 25 0 185 0 amapchunkpl 152 12867 0 12335 27 1 26 26 0 158 4 amappl16 200 3376 0 3353 5 3 2 5 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 116 0 104 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 1192 0 1159 4 1 3 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 16 0 15 1 0 1 1 0 8 0 amappl9 144 147 0 147 1 1 0 1 0 8 0 amappl8 136 23 0 19 1 0 1 1 0 8 0 amappl7 128 119 0 107 1 0 1 1 0 8 0 amappl6 120 163 0 161 1 0 1 1 0 8 0 amappl5 112 138 0 127 1 0 1 1 0 8 0 amappl4 104 308 0 288 1 0 1 1 0 8 0 amappl3 96 2383 0 2281 3 0 3 3 0 8 0 amappl2 88 810 0 726 3 0 3 3 0 8 0 amappl1 80 8109 0 7542 15 1 14 14 0 8 0 amappl 88 3660 0 3475 6 1 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 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 8 0 1 1 0 1 1 0 8 0 uaddrrnd 24 546 0 514 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 546 0 514 1 0 1 1 0 8 0 vmmpekpl 168 5951 0 5918 2 0 2 2 0 8 0 vmmpepl 168 41262 0 39352 90 1 89 89 0 357 3 vmsppl 448 545 0 514 6 2 4 5 0 8 0 rwobjpl 56 17362 0 14473 42 0 42 42 0 8 0 pdppl 4096 1099 0 1028 107 34 73 85 0 8 2 pvpl 32 10895 0 0 89 1 88 88 0 265 0 pmappl 248 545 0 514 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 390 0 47 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834f2ff0) 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff8000371ed580,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835a0960) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x199 sys/kern/kern_lock.c:144 vn_write(fffffd806bfbfe60,ffff8000371ed7a8,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393 dofilewritev(ffff8000371982b0,c8,ffff8000371ed7a8,0,ffff8000371ed860) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000371982b0,ffff8000371ed910,ffff8000371ed860) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff8000371ed910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371ed910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfba78fe5a0, count: 2 ddb{0}> trace x86_ipi_db(ffffffff834f2ff0) 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff8000371ed580,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff835a0960) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x199 sys/kern/kern_lock.c:144 vn_write(fffffd806bfbfe60,ffff8000371ed7a8,0) at vn_write+0x4e sys/kern/vfs_vnops.c:393 dofilewritev(ffff8000371982b0,c8,ffff8000371ed7a8,0,ffff8000371ed860) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000371982b0,ffff8000371ed910,ffff8000371ed860) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff8000371ed910) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371ed910) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfba78fe5a0, count: -13 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(ffffffff830cc5bf) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371996f0,ffff8000371e74f0,ffff8000371e7440) at sys_sysctl+0x425 syscall(ffff8000371e74f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371e74f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfb1af2d6b0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830cc5bf) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806ba39e28,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371e7384,3,20000100,ffff8000371e73b8,0,2e,85825caa926ab632) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371996f0,ffff8000371e74f0,ffff8000371e7440) at sys_sysctl+0x425 syscall(ffff8000371e74f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371e74f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfb1af2d6b0, count: -8