login: panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 510132 7707 0 0 0x4000000 0 syz-executor *305291 7707 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd134) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1657 uvm_fault_unwire(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371d9480,ffff80002bb726f0,ffff80002bb72640) at sys_sysctl+0x425 syscall(ffff80002bb726f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002bb726f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x435c2f46d00, 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(ffffffff830bd134) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1657 uvm_fault_unwire(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371d9480,ffff80002bb726f0,ffff80002bb72640) at sys_sysctl+0x425 syscall(ffff80002bb726f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002bb726f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x435c2f46d00, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002bb72240 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000371d9480 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x299c1c0bcdaa2ebd r11 0xcc9db0bec2d0eac5 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82b9eee5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002bb72230 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=305291 pid=7707 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=0xffff8000371d8ce8,0xffff8000371d8a70 process=0xffff80002bfddfc0 user=0xffff80002bb6d000, vmspace=0xfffffd806ab018e0 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 7707 73513 54883 0 3 0 vmmaplk syz-executor 7707 510132 54883 0 7 0x4000000 syz-executor * 7707 305291 54883 0 7 0x4000000 syz-executor 7707 250455 54883 0 2 0x4000000 syz-executor 73855 282468 45294 0 3 0x90 nanoslp syz-executor 73855 75660 45294 0 3 0x4000090 netcon syz-executor 73855 39209 45294 0 3 0x4000090 fsleep syz-executor 62600 290277 41687 60929 3 0x90 nanoslp syz-executor 62600 261311 41687 60929 3 0x4000090 netcon syz-executor 62600 82463 41687 60929 3 0x4000090 fsleep syz-executor 11469 433523 98139 0 3 0x80 nanoslp syz-executor 11469 298742 98139 0 3 0x4000080 kqread syz-executor 11469 19022 98139 0 3 0x4000080 fsleep syz-executor 21571 159218 98528 0 3 0x80 nanoslp syz-executor 21571 428779 98528 0 3 0x4000080 netcon syz-executor 21571 159207 98528 0 3 0x4000080 fsleep syz-executor 29627 90785 0 0 3 0x14200 acct acct 31459 102803 1 0 3 0x100083 ttyin getty 41687 309551 99788 0 3 0x82 nanoslp syz-executor 78308 218669 0 0 3 0x14280 nfsidl nfsio 16128 74727 0 0 3 0x14280 nfsidl nfsio 47883 394093 0 0 3 0x14280 nfsidl nfsio 15468 191897 0 0 3 0x14280 nfsidl nfsio 70262 175702 0 0 3 0x14280 nfsidl nfsio 48851 206860 0 0 3 0x14280 nfsidl nfsio 17390 139088 0 0 3 0x14280 nfsidl nfsio 9072 198559 0 0 3 0x14280 nfsidl nfsio 31165 255551 0 0 3 0x14280 nfsidl nfsio 23731 219724 0 0 3 0x14280 nfsidl nfsio 61591 377383 0 0 3 0x14280 nfsidl nfsio 49756 29776 0 0 3 0x14280 nfsidl nfsio 83310 16065 0 0 3 0x14280 nfsidl nfsio 30420 137280 0 0 3 0x14280 nfsidl nfsio 74798 218368 0 0 3 0x14280 nfsidl nfsio 9472 239001 0 0 3 0x14280 nfsidl nfsio 81853 264809 0 0 3 0x14280 nfsidl nfsio 2833 44102 0 0 3 0x14280 nfsidl nfsio 72321 381706 0 0 3 0x14280 nfsidl nfsio 48410 324774 0 0 3 0x14280 nfsidl nfsio 7537 96464 99788 0 3 0x82 nanoslp syz-executor 36549 438323 0 0 3 0x14200 bored sosplice 26040 230684 99788 0 3 0x2 biowait syz-executor 45294 208726 99788 0 3 0x82 nanoslp syz-executor 54883 19007 99788 0 3 0x82 nanoslp syz-executor 98139 489612 99788 0 3 0x82 nanoslp syz-executor 98528 115571 99788 0 3 0x82 nanoslp syz-executor 10107 352864 99788 0 3 0x82 nanoslp syz-executor 99788 153278 2034 0 3 0x82 kqread syz-executor 2034 110851 31823 0 3 0x10008a sigsusp ksh 31823 97048 20002 0 3 0x98 kqread sshd-session 20002 93736 32432 0 3 0x92 kqread sshd-session 32432 6280 1 0 3 0x88 kqread sshd 44086 474808 6322 74 3 0x1100092 bpf pflogd 6322 139305 1 0 3 0x80 sbwait pflogd 51733 266460 47321 73 3 0x1100090 kqread syslogd 47321 37804 1 0 3 0x100082 sbwait syslogd 73594 442964 1 0 3 0x100080 kqread resolvd 25419 216333 51017 77 3 0x100092 kqread dhcpleased 56740 242911 51017 77 3 0x100092 kqread dhcpleased 51017 494839 1 0 3 0x80 kqread dhcpleased 26468 456091 0 0 3 0x14200 bored smr 95312 454726 0 0 3 0x14200 pgzero zerothread 92740 167891 0 0 3 0x14200 aiodoned aiodoned 23237 82861 0 0 3 0x14200 syncer update 75193 64396 0 0 3 0x14200 cleaner cleaner 31334 86213 0 0 3 0x14200 reaper reaper 42592 127990 0 0 3 0x14200 pgdaemon pagedaemon 85644 232394 0 0 3 0x14200 bored viomb 89416 68821 0 0 3 0x40014200 acpi0 acpi0 674 333719 0 0 3 0x40014200 idle1 18482 140980 0 0 3 0x14200 bored softnet3 9229 6340 0 0 3 0x14200 bored softnet2 84411 272534 0 0 3 0x14200 bored softnet1 53572 340527 0 0 3 0x14200 bored softnet0 48737 241875 0 0 3 0x14200 bored systqmp 60089 102620 0 0 3 0x14200 bored systq 85564 71140 0 0 3 0x14200 tmoslp softclockmp 66085 220315 0 0 3 0x40014200 tmoslp softclock 26272 409644 0 0 3 0x40014200 idle0 1 387393 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 7707 (syz-executor) thread 0xffff8000371d9480 (305291) Process 26040 (syz-executor) thread 0xffff8000ffff6020 (230684) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10233 11280K 11956K 166960K 13347 0 pcb 17 16K 18K 166960K 359 0 rtable 170 6K 8K 166960K 552 0 pf 35 17K 82K 166960K 109 0 ifaddr 35 6K 8K 166960K 88 0 ifgroup 57 2K 3K 166960K 141 0 sysctl 3 0K 2K 166960K 10 0 counters 62 36K 37K 166960K 112 0 ioctlops 0 0K 4K 166960K 1648 0 iov 0 0K 24K 166960K 176 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1552 98K 98K 166960K 2708 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 116 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 97K 166960K 1620 0 sigio 0 0K 0K 166960K 26 0 proc 72 91K 128K 166960K 716 0 subproc 104 6K 6K 166960K 131 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 289 0 in_multi 70 5K 7K 166960K 183 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 634 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 77K 96K 166960K 16632 0 UVM aobj 114 5K 6K 166960K 125 0 pinsyscall 42 84K 108K 166960K 2759 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 85 0 NDP 11 0K 1K 166960K 60 0 temp 77 6824K 6924K 166960K 67908 0 kqueue 16 26K 30K 166960K 270 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 120 137 0 133 1 0 1 1 0 8 0 rtentry 112 171 0 96 4 0 4 4 0 8 0 unpcb 144 1097 0 1080 12 8 4 6 0 8 3 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 9 0 9 2 1 1 1 0 8 1 tcpcb 808 511 0 501 12 6 6 6 0 8 5 arp 120 29 0 15 1 0 1 1 0 8 0 inpcb 336 1940 0 1924 21 13 8 10 0 8 6 nd6 136 41 0 19 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 13 0 13 3 2 1 1 0 8 1 pffrag 232 9 0 5 1 0 1 1 0 482 0 pffrnode 88 9 0 5 1 0 1 1 0 8 0 pffrent 40 85 0 81 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 124 0 29 1 0 1 1 0 8 0 pfstkey 128 124 0 29 4 0 4 4 0 8 0 pfstate 376 124 0 29 10 0 10 10 0 8 0 pfrule 1344 23 0 16 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 720 0 409 30 2 28 30 0 8 0 art_table 32 722 0 409 4 0 4 4 0 8 0 art_node 16 169 0 104 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 108 0 98 1 0 1 1 0 8 0 shmpl 112 122 0 11 4 0 4 4 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 4108 0 2597 95 0 95 95 0 8 0 ffsino 272 4108 0 2597 102 0 102 102 0 8 0 nchpl 144 6429 0 4750 63 0 63 63 0 8 0 uvmvnodes 80 5123 0 0 105 0 105 105 0 8 0 vnodes 216 5123 0 0 285 0 285 285 0 8 0 namei 1024 22211 0 22211 3 2 1 2 0 8 1 percpumem 16 70 0 25 1 0 1 1 0 8 0 kstatmem 264 72 0 50 5 3 2 3 0 8 0 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 22824 0 22823 12 9 3 8 1 8 2 plimitpl 152 470 0 453 1 0 1 1 0 8 0 sigapl 424 1943 0 1872 11 2 9 9 0 8 0 futexpl 64 21157 0 21153 1 0 1 1 0 8 0 knotepl 120 543 0 0 17 0 17 17 0 8 0 kqueuepl 216 616 0 603 11 2 9 9 0 8 8 pipepl 320 283 0 256 6 3 3 6 0 8 0 fdescpl 496 1900 0 1869 6 1 5 6 0 8 0 filepl 152 12540 0 12280 23 6 17 17 0 8 4 lockfpl 104 933 0 931 3 1 2 2 0 8 1 lockfspl 48 336 0 334 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 51 0 34 1 0 1 1 0 8 0 ucredpl 104 2046 0 2029 2 1 1 2 0 8 0 zombiepl 144 1874 0 1872 1 0 1 1 0 8 0 processpl 1160 1943 0 1872 7 1 6 6 0 8 0 procpl 648 4312 0 4230 10 2 8 8 0 8 0 srpgc 96 10 0 10 3 2 1 1 0 8 1 sosppl 168 8 0 8 3 2 1 1 0 8 1 sockpl 664 3197 0 3160 30 20 10 14 0 8 5 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 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 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 140 0 0 18 0 18 18 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 299 0 0 19 0 19 19 0 8 0 bufpl 280 8256 0 2082 442 0 442 442 0 8 0 anonpl 24 312252 0 305880 90 26 64 64 0 185 5 amapchunkpl 152 54445 0 53854 40 7 33 33 0 158 8 amappl16 200 8370 0 8240 47 27 20 20 0 8 6 amappl15 192 5 0 4 1 0 1 1 0 8 0 amappl14 184 125 0 113 1 0 1 1 0 8 0 amappl13 176 13 0 13 2 2 0 1 0 8 0 amappl12 168 2577 0 2546 4 2 2 3 0 8 0 amappl11 160 85 0 71 1 0 1 1 0 8 0 amappl10 152 14 0 13 1 0 1 1 0 8 0 amappl9 144 144 0 144 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 119 0 107 1 0 1 1 0 8 0 amappl6 120 185 0 183 1 0 1 1 0 8 0 amappl5 112 145 0 133 1 0 1 1 0 8 0 amappl4 104 328 0 308 1 0 1 1 0 8 0 amappl3 96 10142 0 10041 3 0 3 3 0 8 0 amappl2 88 2207 0 2120 3 0 3 3 0 8 0 amappl1 80 12587 0 12019 16 2 14 14 0 8 0 amappl 88 16034 0 15847 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 128 254 0 254 2 1 1 1 0 8 1 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 72 124 0 11 3 0 3 3 0 8 0 uaddrrnd 24 1900 0 1869 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1900 0 1869 1 0 1 1 0 8 0 vmmpekpl 168 15628 0 15585 3 0 3 3 0 8 0 vmmpepl 168 122469 0 120467 111 10 101 101 0 357 6 vmsppl 448 1899 0 1869 6 2 4 5 0 8 0 rwobjpl 56 39668 0 33374 92 2 90 90 0 8 0 pdppl 4096 3807 0 3738 111 40 71 87 0 8 2 pvpl 32 17880 0 0 145 1 144 144 0 265 0 pmappl 248 1899 0 1869 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 437 0 71 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834e2ff0) 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(ffffffff83556518) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83556518) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000371c64e0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83556518) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83556518) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83556518,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x278 sys/kern/kern_synch.c:417 rw_enter(fffffd806ab019c8,2) at rw_enter+0x348 sys/kern/kern_rwlock.c:285 uvmfault_lookup(ffff8000371c6998,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1782 uvm_fault_check(ffff8000371c6998,ffff8000371c69d0,ffff8000371c69f8,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:667 uvm_fault(fffffd806ab018e0,20000000,0,1) at uvm_fault+0xec sys/uvm/uvm_fault.c:595 end trace frame: 0xffff8000371c6ad0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff834e2ff0) 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(ffffffff83556518) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83556518) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000371c64e0,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83556518) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83556518) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff83556518,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x4b7 sys/kern/sched_bsd.c:441 sleep_finish(0,1) at sleep_finish+0x278 sys/kern/kern_synch.c:417 rw_enter(fffffd806ab019c8,2) at rw_enter+0x348 sys/kern/kern_rwlock.c:285 uvmfault_lookup(ffff8000371c6998,0) at uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1782 uvm_fault_check(ffff8000371c6998,ffff8000371c69d0,ffff8000371c69f8,0) at uvm_fault_check+0x49 sys/uvm/uvm_fault.c:667 uvm_fault(fffffd806ab018e0,20000000,0,1) at uvm_fault+0xec sys/uvm/uvm_fault.c:595 kpageflttrap(ffff8000371c6b30,20000000) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff8000371c6b30) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x57 tun_dev_write(5d05,ffff8000371c6f58,0,2) at tun_dev_write+0x285 sys/net/if_tun.c:843 spec_write(ffff8000371c6db0) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd806d128b20,ffff8000371c6f58,11,fffffd807f7d3750) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806a7f2b68,ffff8000371c6f58,0) at vn_write+0x1d1 sys/kern/vfs_vnops.c:408 dofilewritev(ffff8000371d8ce8,c8,ffff8000371c6f58,0,ffff8000371c7010) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff8000371d8ce8,ffff8000371c70c0,ffff8000371c7010) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff8000371c70c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371c70c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x434fb1196b0, count: -26 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(ffffffff830bd134) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1657 uvm_fault_unwire(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371d9480,ffff80002bb726f0,ffff80002bb72640) at sys_sysctl+0x425 syscall(ffff80002bb726f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002bb726f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x435c2f46d00, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bd134) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1657 uvm_fault_unwire(fffffd806ab018e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80002bb72584,5,20000100,ffff80002bb725b8,0,37,b820ebf43486dd83) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371d9480,ffff80002bb726f0,ffff80002bb72640) at sys_sysctl+0x425 syscall(ffff80002bb726f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002bb726f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x435c2f46d00, count: -8