panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 310588 72419 32767 0x10 0x4000000 0 syz-executor *109180 72419 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000361af490,ffff80002c310ab0,ffff80002c310a00) at sys_sysctl+0x422 syscall(ffff80002c310ab0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c310ab0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57e95a0b610, 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(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000361af490,ffff80002c310ab0,ffff80002c310a00) at sys_sysctl+0x422 syscall(ffff80002c310ab0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c310ab0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57e95a0b610, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002c3105f0 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff8000361af490 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xcd30db88a5d55e6d r11 0xdac852751c590a18 r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff820f2715 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002c3105e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=109180 pid=72419 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371fe7c8,0xffff8000361af9b0 process=0xffff8000361b0020 user=0xffff80002c30b000, vmspace=0xfffffd806eb14008 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 72419 220491 76894 32767 2 0x10 syz-executor 72419 310588 76894 32767 7 0x4000010 syz-executor *72419 109180 76894 32767 7 0x4000010 syz-executor 72419 482434 76894 32767 3 0x4000090 fsleep syz-executor 47604 515284 38834 32767 3 0x90 nanoslp syz-executor 47604 206912 38834 32767 3 0x4000090 kqsel syz-executor 47604 92849 38834 32767 3 0x4000090 fsleep syz-executor 98199 60726 90256 32767 3 0x90 nanoslp syz-executor 98199 397538 90256 32767 3 0x4000090 fsleep syz-executor 98199 245867 90256 32767 3 0x4000090 kqread syz-executor 98199 360368 90256 32767 3 0x4000090 fsleep syz-executor 61644 210539 91201 32767 3 0x90 nanoslp syz-executor 61644 322557 91201 32767 3 0x4000090 fsleep syz-executor 61644 333528 91201 32767 3 0x4000090 kqread syz-executor 61644 227043 91201 32767 3 0x4000090 fsleep syz-executor 93948 36996 47874 32767 3 0x90 nanoslp syz-executor 93948 223285 47874 32767 3 0x4000090 kqread syz-executor 93948 144897 47874 32767 3 0x4000090 fsleep syz-executor 47874 22141 52737 32767 3 0x90 nanoslp syz-executor 52737 37136 89335 0 3 0x82 wait syz-executor 74347 468820 45561 32767 3 0x90 nanoslp syz-executor 45561 63655 89335 0 3 0x82 wait syz-executor 38834 505962 35531 32767 3 0x90 nanoslp syz-executor 35531 23881 89335 0 3 0x82 wait syz-executor 91201 335820 77425 32767 3 0x90 nanoslp syz-executor 77425 4654 89335 0 3 0x82 wait syz-executor 90256 139126 78548 32767 3 0x90 nanoslp syz-executor 78548 49257 89335 0 3 0x82 wait syz-executor 47714 324795 72265 32767 3 0x90 wait syz-executor 72265 202464 89335 0 3 0x82 wait syz-executor 80767 46326 37474 32767 3 0x90 wait syz-executor 37474 133746 89335 0 3 0x82 wait syz-executor 76894 318273 75734 32767 3 0x90 nanoslp syz-executor 75734 270361 89335 0 3 0x82 wait syz-executor 86938 387171 98551 0 3 0x100082 sbwait ndp 98551 47125 91093 0 3 0x10008a sigsusp sh 91093 134260 1 0 3 0x80 wait syz-executor 44333 310056 0 0 3 0x14200 bored sosplice 89335 424861 69304 0 3 0x82 kqread syz-executor 69304 85080 14905 0 3 0x10008a sigsusp ksh 14905 145498 74022 0 3 0x98 kqread sshd-session 74022 99759 81695 0 3 0x92 kqread sshd-session 5300 341967 1 0 3 0x100083 ttyin getty 81695 467571 1 0 3 0x88 kqread sshd 34987 503274 18328 73 3 0x1100090 kqread syslogd 18328 133820 1 0 3 0x100082 sbwait syslogd 84919 397989 1 0 3 0x100080 kqread resolvd 70056 366480 1477 77 3 0x100092 kqread dhcpleased 2397 335723 1477 77 3 0x100092 kqread dhcpleased 1477 193233 1 0 3 0x80 kqread dhcpleased 80979 323954 0 0 3 0x14200 bored smr 72708 463176 0 0 3 0x14200 pgzero zerothread 56201 69777 0 0 3 0x14200 aiodoned aiodoned 45597 20944 0 0 3 0x14200 syncer update 98566 30074 0 0 3 0x14200 cleaner cleaner 77457 14230 0 0 3 0x14200 reaper reaper 58815 317869 0 0 3 0x14200 pgdaemon pagedaemon 42574 250998 0 0 3 0x14200 bored viomb 16227 401976 0 0 3 0x40014200 acpi0 acpi0 75799 280166 0 0 3 0x40014200 idle1 69181 128986 0 0 3 0x14200 bored softnet3 94791 355797 0 0 3 0x14200 bored softnet2 54164 303420 0 0 3 0x14200 bored softnet1 60748 426146 0 0 3 0x14200 bored softnet0 70172 407052 0 0 3 0x14200 bored systqmp 25594 507154 0 0 3 0x14200 bored systq 70367 299373 0 0 3 0x14200 tmoslp softclockmp 54003 238152 0 0 3 0x40014200 tmoslp softclock 62599 15399 0 0 3 0x40014200 idle0 1 517664 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 72419 (syz-executor) thread 0xffff8000361af490 (109180) shared rwlock vmmaplk r = 0 (0xfffffd806eb140f8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 (0xffffffff835a4fd0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 (0xffffffff83481160) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 10233 14126K 14131K 166960K 13857 0 pcb 17 24K 26K 166960K 27 0 rtable 242 6K 7K 166960K 31541 0 pf 31 16K 16K 166960K 1739 0 ifaddr 42 15K 18K 166960K 3445 0 ifgroup 50 2K 2K 166960K 3454 0 sysctl 4 1K 5K 166960K 120 0 counters 64 36K 36K 166960K 1760 0 ioctlops 0 0K 2K 166960K 2414 0 iov 0 0K 32K 166960K 6582 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 92K 166960K 25971 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1196 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 1608 0 dirhash 18 3K 4K 166960K 1761 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 30 110K 157K 166960K 66882 0 sigio 0 0K 0K 166960K 2164 0 proc 58 79K 176K 166960K 30737 0 subproc 117 7K 12K 166960K 12376 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 17403 0 in_multi 99 7K 7K 166960K 12190 0 ether_multi 1 0K 0K 166960K 493 0 mrt 1 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 337 1500K 1500K 166960K 337 0 exec 0 0K 2K 166960K 24671 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 316 84K 131K 166960K 585575 0 UVM aobj 131 6K 7K 166960K 149 0 pinsyscall 51 102K 130K 166960K 91849 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 5143 0 NDP 11 0K 2K 166960K 2568 0 temp 81 6824K 6952K 166960K 380147 0 kqueue 16 26K 38K 166960K 11870 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 10379 0 10375 71 70 1 3 0 8 0 rtentry 112 10191 0 10077 13 9 4 4 0 8 0 unpcb 144 70065 0 69981 242 234 8 11 0 8 4 syncache 336 1134 0 1134 30 29 1 1 0 8 1 tcpqe 32 564 0 564 50 49 1 1 0 8 1 tcpcb 808 45904 0 45762 435 420 15 27 0 8 0 arp 120 1755 0 1737 1 0 1 1 0 8 0 ipq 40 413 0 410 1 0 1 1 0 8 0 ipqe 40 7894 0 7891 1 0 1 1 0 8 0 inpcb 336 103255 0 103108 413 398 15 23 0 8 0 ip6q 72 14 0 14 13 13 0 1 0 8 0 ip6af 40 28 0 28 13 13 0 1 0 8 0 nd6 136 3285 0 3257 17 15 2 2 0 8 0 kcovpl 48 952 0 943 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 41211 0 40742 211 180 31 33 0 8 1 art_table 32 41212 0 40742 17 12 5 5 0 8 0 art_node 16 10190 0 10086 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 14 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1606 0 1596 1 0 1 1 0 8 0 shmpl 112 146 0 18 4 0 4 4 0 8 0 dirhash 1024 1198 0 1169 21 16 5 5 0 8 1 dino2pl 256 91737 0 86775 312 1 311 311 0 8 0 ffsino 272 91737 0 86775 335 3 332 332 0 8 0 nchpl 144 168739 0 165538 120 1 119 119 0 8 0 uvmvnodes 80 11614 0 0 238 0 238 238 0 8 0 vnodes 216 11614 0 0 646 0 646 646 0 8 0 namei 1024 713398 0 713398 54 53 1 2 0 8 1 percpumem 16 894 0 848 1 0 1 1 0 8 0 kstatmem 264 1718 0 1696 3 1 2 2 0 8 0 scxspl 216 596002 0 596002 139 136 3 8 1 8 3 plimitpl 152 24928 0 24901 2 0 2 2 0 8 0 sigapl 424 65657 0 65597 22 14 8 9 0 8 0 futexpl 64 831126 0 831119 27 26 1 1 0 8 0 knotepl 120 2415 0 0 25 0 25 25 0 8 0 kqueuepl 216 24345 0 24331 188 183 5 8 0 8 4 pipepl 320 12772 0 12742 157 152 5 10 0 8 2 fdescpl 496 65638 0 65597 19 13 6 7 0 8 0 filepl 152 498164 0 497749 293 274 19 24 0 8 3 lockfpl 104 19768 0 19765 17 16 1 3 0 8 0 lockfspl 48 5307 0 5304 1 0 1 1 0 8 0 sessionpl 144 1260 0 1243 1 0 1 1 0 8 0 pgrppl 48 3505 0 3480 1 0 1 1 0 8 0 ucredpl 104 104922 0 104903 1 0 1 1 0 8 0 zombiepl 144 65600 0 65597 1 0 1 1 0 8 0 processpl 1160 65657 0 65597 7 2 5 6 0 8 0 procpl 648 158440 0 158367 16 9 7 8 0 8 0 srpgc 96 35 0 35 17 17 0 1 0 8 0 sosppl 168 838 0 832 22 21 1 1 0 8 0 sockpl 664 185374 0 185138 573 547 26 31 0 8 6 mcl64k 65536 92 0 0 3 0 3 3 0 8 0 mcl16k 16384 14 0 0 2 0 2 2 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 13 0 0 2 0 2 2 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 1010 0 0 31 9 22 31 0 8 0 mtagpl 96 33 0 0 1 0 1 1 0 8 0 mbufpl 256 7946 0 0 427 2 425 425 0 8 0 bufpl 280 106159 0 94545 830 0 830 830 0 8 0 anonpl 24 8268151 0 8259326 658 555 103 125 0 185 25 amapchunkpl 152 1919597 0 1918725 497 462 35 51 0 158 0 amappl16 200 214879 0 214712 763 739 24 45 0 8 8 amappl15 192 24 0 24 15 15 0 1 0 8 0 amappl14 184 2643 0 2632 1 0 1 1 0 8 0 amappl13 176 84 0 83 47 46 1 1 0 8 0 amappl12 168 80212 0 80169 17 14 3 3 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 18 0 17 2 1 1 1 0 8 0 amappl9 144 145 0 144 2 1 1 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 2184 0 2172 1 0 1 1 0 8 0 amappl6 120 8644 0 8641 1 0 1 1 0 8 0 amappl5 112 3918 0 3908 1 0 1 1 0 8 0 amappl4 104 4473 0 4457 1 0 1 1 0 8 0 amappl3 96 397651 0 397490 11 6 5 5 0 8 1 amappl2 88 17194 0 17126 3 0 3 3 0 8 0 amappl1 80 359030 0 358468 42 22 20 24 0 8 0 amappl 88 572109 0 571852 10 3 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 72 148 0 18 3 0 3 3 0 8 0 uaddrrnd 24 65638 0 65597 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 65638 0 65597 1 0 1 1 0 8 0 vmmpekpl 168 557054 0 556990 6 2 4 5 0 8 0 vmmpepl 168 4075206 0 4072842 581 458 123 145 0 357 16 vmsppl 440 65637 0 65597 11 6 5 6 0 8 0 rwobjpl 56 1063946 0 1051080 231 43 188 188 0 8 2 pdppl 4096 131283 0 131194 1773 1682 91 115 0 8 2 pvpl 32 38985 0 0 307 0 307 307 0 265 0 pmappl 248 65637 0 65597 11 8 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4056 0 2795 39 2 37 37 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8346fff0) 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+0x38 sys/dev/kcov.c:164 __mp_lock(ffffffff835a4dc8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a4dc8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 syscall(ffff800036199300) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036199300) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57ee76e06c0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff8346fff0) 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+0x38 sys/dev/kcov.c:164 __mp_lock(ffffffff835a4dc8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a4dc8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 syscall(ffff800036199300) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036199300) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57ee76e06c0, count: -7 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(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000361af490,ffff80002c310ab0,ffff80002c310a00) at sys_sysctl+0x422 syscall(ffff80002c310ab0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c310ab0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57e95a0b610, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd1dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806eb14008,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002c310944,2,200001c0,ffff80002c310978,0,37,8783e39d4795cb87) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000361af490,ffff80002c310ab0,ffff80002c310a00) at sys_sysctl+0x422 syscall(ffff80002c310ab0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002c310ab0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57e95a0b610, count: -8