panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 75257 12630 32767 0x10 0x4000000 1K syz-executor 446454 70953 32767 0x10 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8340cbb7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c53de64,3,400000000100,ffff80003c53de98,0,2e,576e710ecd006bef) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000328b94a0,ffff80003c53dfd0,ffff80003c53df20) at sys_sysctl+0x425 syscall(ffff80003c53dfd0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53dfd0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd441a7410, 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(ffffffff8340cbb7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c53de64,3,400000000100,ffff80003c53de98,0,2e,576e710ecd006bef) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000328b94a0,ffff80003c53dfd0,ffff80003c53df20) at sys_sysctl+0x425 syscall(ffff80003c53dfd0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53dfd0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd441a7410, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c53da70 rbx 0xffff800029aacdc7 rdx 0 rcx 0xffff8000328b94a0 rax 0xffff800029aabff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3544bfdac166f6cb r11 0xd44868cdbad05b2 r12 0xffff800029aacbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81e329d5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c53da60 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=75257 pid=12630 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000328b8f80,0xffffffff839663b8 process=0xffff80003acfa260 user=0xffff80003c539000, vmspace=0xfffffd806c07d3c0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 12630 56683 19178 32767 2 0x10 syz-executor 12630 224664 19178 32767 3 0x4000090 fsleep syz-executor 12630 431329 19178 32767 3 0x4000090 fsleep syz-executor *12630 75257 19178 32767 7 0x4000010 syz-executor 36503 511502 26271 32767 2 0x10 syz-executor 36503 136364 26271 32767 3 0x4000090 kqsel syz-executor 26033 415730 46810 32767 3 0x90 nanoslp syz-executor 26033 7509 46810 32767 3 0x4000090 sbwait syz-executor 62957 374375 11195 32767 3 0x90 nanoslp syz-executor 62957 15408 11195 32767 3 0x4000090 kqsel syz-executor 62957 180120 11195 32767 3 0x4000090 fsleep syz-executor 19209 320340 8334 32767 3 0x90 nanoslp syz-executor 19209 467990 8334 32767 3 0x4000090 fifor syz-executor 19209 179222 8334 32767 3 0x4000090 fifor syz-executor 19209 507426 8334 32767 3 0x4000090 fsleep syz-executor 51903 433045 0 0 3 0x14200 bored sosplice 73161 467015 6821 0 3 0x100082 sbwait arp 6821 91422 84357 0 3 0x10008a sigsusp sh 58615 487825 2827 32767 3 0x90 nanoslp syz-executor 11195 219002 1946 32767 3 0x90 nanoslp syz-executor 26271 195331 40190 32767 2 0x10 syz-executor 8334 370345 13296 32767 3 0x90 nanoslp syz-executor 84357 280130 48640 0 3 0x80 wait syz-executor 19178 212038 60885 32767 3 0x90 nanoslp syz-executor 46810 513113 87012 32767 3 0x90 nanoslp syz-executor 70953 446454 74653 32767 7 0x10 syz-executor 1946 496605 29621 0 3 0x82 wait syz-executor 2827 220196 29621 0 3 0x82 wait syz-executor 13296 361374 29621 0 3 0x82 wait syz-executor 40190 245656 29621 0 3 0x82 wait syz-executor 48640 49112 29621 0 3 0x82 wait syz-executor 60885 522772 29621 0 3 0x82 wait syz-executor 87012 370430 29621 0 3 0x82 wait syz-executor 74653 31335 29621 0 3 0x82 wait syz-executor 29621 259638 97462 0 3 0x82 kqread syz-executor 97462 332838 88395 0 3 0x10008a sigsusp ksh 88395 15002 64769 0 3 0x98 kqread sshd-session 64769 311725 39134 0 3 0x92 kqread sshd-session 78662 174473 1 0 3 0x100083 ttyin getty 39134 85460 1 0 3 0x88 kqread sshd 92943 403056 38039 73 3 0x1100090 kqread syslogd 38039 463268 1 0 3 0x100082 sbwait syslogd 47671 61229 1 0 3 0x100080 kqread resolvd 31581 279342 14950 77 3 0x100092 kqread dhcpleased 32452 317273 14950 77 3 0x100092 kqread dhcpleased 14950 217618 1 0 3 0x80 kqread dhcpleased 72535 423407 0 0 3 0x14200 bored smr 20574 182926 0 0 2 0x14200 zerothread 46779 254353 0 0 3 0x14200 aiodoned aiodoned 29695 140992 0 0 3 0x14200 syncer update 55741 187883 0 0 3 0x14200 cleaner cleaner 74266 222207 0 0 3 0x14200 reaper reaper 17113 452241 0 0 3 0x14200 pgdaemon pagedaemon 83785 506474 0 0 3 0x14200 bored viomb 22973 262397 0 0 3 0x40014200 acpi0 acpi0 60153 57015 0 0 3 0x40014200 idle1 13972 266112 0 0 3 0x14200 bored softnet3 548 290104 0 0 3 0x14200 bored softnet2 32983 286696 0 0 3 0x14200 bored softnet1 73222 335045 0 0 3 0x14200 bored softnet0 9236 410904 0 0 3 0x14200 bored systqmp 89646 347025 0 0 3 0x14200 bored systq 71572 502189 0 0 3 0x14200 tmoslp softclockmp 63505 511283 0 0 3 0x40014200 tmoslp softclock 71373 270145 0 0 3 0x40014200 idle0 1 138663 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 12630 (syz-executor) thread 0xffff8000328b94a0 (75257) shared rwlock vmmaplk r = 0 (0xfffffd806c07d4c0) #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:1701 #3 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] #3 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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 (0xffffffff839b80c8) #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_write+0x1de sys/kern/kern_rwlock.c:292 #5 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #6 uvm_map_extract+0x176 sys/uvm/uvm_map.c:4310 #7 uvm_io+0x166 sys/uvm/uvm_io.c:98 #8 sysctl_proc_args+0x309 sys/kern/kern_sysctl.c:2166 #9 kern_sysctl_dirs+0x2d0 sys/kern/kern_sysctl.c:428 #10 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #11 sys_sysctl+0x425 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83794db8) #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:185 #3 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10211 10957K 10966K 166960K 11291 0 pcb 17 12K 12K 166960K 17 0 rtable 226 6K 6K 166960K 340 0 pf 31 16K 16K 166960K 31 0 ifaddr 40 7K 7K 166960K 42 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 2 1K 1K 166960K 2 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 35 0 iov 1 4K 23K 166960K 48 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1334 84K 84K 166960K 1490 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 3K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 26 97K 121K 166960K 341 0 sigio 0 0K 0K 166960K 4 0 proc 58 79K 103K 166960K 480 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 0 0K 0K 166960K 105 0 in_multi 89 6K 6K 166960K 95 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 380 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 75K 84K 166960K 4436 0 UVM aobj 11 4K 4K 166960K 13 0 pinsyscall 48 96K 110K 166960K 1334 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 11 0K 1K 166960K 25 0 temp 42 8635K 8701K 166960K 4449 0 kqueue 13 20K 30K 166960K 79 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 54 0 50 1 0 1 1 0 8 0 rtentry 112 109 0 3 4 0 4 4 0 8 0 unpcb 144 507 0 486 2 0 2 2 0 8 1 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 808 154 0 150 8 0 8 8 0 8 7 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 3 0 0 1 0 1 1 0 8 0 ipqe 40 67 0 64 1 0 1 1 0 8 0 inpcb 376 283 0 274 8 0 8 8 0 8 6 nd6 136 26 0 2 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 422 0 3 27 0 27 27 0 8 0 art_table 32 423 0 3 4 0 4 4 0 8 0 art_node 16 108 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 10 0 2 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 1979 0 477 95 0 95 95 0 8 0 ffsino 280 1979 0 477 109 0 109 109 0 8 1 nchpl 144 2461 0 786 63 0 63 63 0 8 0 uvmvnodes 80 2060 0 0 43 0 43 43 0 8 0 vnodes 216 2060 0 0 115 0 115 115 0 8 0 namei 1024 7817 0 7817 1 0 1 1 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 7482 0 7482 3 2 1 2 1 8 1 plimitpl 152 66 0 40 2 0 2 2 0 8 1 sigapl 424 614 0 556 7 0 7 7 0 8 0 futexpl 64 3035 0 3031 1 0 1 1 0 8 0 knotepl 120 568 0 0 18 0 18 18 0 8 0 kqueuepl 216 139 0 128 4 0 4 4 0 8 3 pipepl 328 121 0 94 4 1 3 3 0 8 0 fdescpl 504 595 0 557 7 1 6 6 0 8 0 filepl 152 3318 0 3104 14 0 14 14 0 8 4 lockfpl 104 149 0 147 1 0 1 1 0 8 0 lockfspl 48 33 0 31 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 34 0 10 1 0 1 1 0 8 0 ucredpl 104 804 0 786 1 0 1 1 0 8 0 zombiepl 144 558 0 556 2 1 1 1 0 8 0 processpl 1168 614 0 556 5 0 5 5 0 8 0 procpl 656 956 0 888 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 688 846 0 812 10 0 10 10 0 8 6 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 210 0 0 14 0 14 14 0 8 0 bufpl 280 2598 0 124 177 0 177 177 0 8 0 anonpl 24 124271 0 120861 61 3 58 58 0 184 26 amapchunkpl 152 14013 0 13423 34 1 33 33 0 158 9 amappl16 200 2725 0 2703 21 7 14 20 0 8 11 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 103 0 92 1 0 1 1 0 8 0 amappl12 168 1184 0 1146 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 6 0 6 2 2 0 1 0 8 0 amappl9 144 266 0 266 2 2 0 1 0 8 0 amappl8 136 20 0 19 1 0 1 1 0 8 0 amappl7 128 95 0 83 1 0 1 1 0 8 0 amappl6 120 183 0 179 2 1 1 1 0 8 0 amappl5 112 111 0 105 1 0 1 1 0 8 0 amappl4 104 283 0 268 1 0 1 1 0 8 0 amappl3 96 2494 0 2356 4 0 4 4 0 8 0 amappl2 88 611 0 553 2 0 2 2 0 8 0 amappl1 80 8399 0 7828 14 0 14 14 0 8 0 amappl 88 4077 0 3874 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 12 0 2 1 0 1 1 0 8 0 uaddrrnd 24 595 0 557 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 595 0 557 1 0 1 1 0 8 0 vmmpekpl 168 6420 0 6384 2 0 2 2 0 8 0 vmmpepl 168 43095 0 41049 105 1 104 104 0 357 7 vmsppl 456 594 0 557 7 1 6 6 0 8 0 rwobjpl 64 17123 0 14150 53 0 53 53 0 8 2 pdppl 4096 1198 0 1114 107 21 86 96 0 8 2 pvpl 32 18747 0 0 152 0 152 152 0 265 0 pmappl 248 594 0 557 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 294 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(ffffffff837a1ff0) 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 __mp_lock(ffffffff839b7ec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839b7ec0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 timeout_barrier(ffff8000ffff9020) at timeout_barrier+0x297 timeout_del_barrier(ffff8000ffff9020) at timeout_del_barrier+0x133 sys/kern/kern_timeout.c:462 sleep_finish(2,1) at sleep_finish+0x317 sys/kern/kern_synch.c:432 sys_nanosleep(ffff8000ffff8f78,ffff80002f09a9a0,ffff80002f09a8f0) at sys_nanosleep+0x28a sys/kern/kern_time.c:303 syscall(ffff80002f09a9a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f09a9a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7752d46c9770, count: 3 ddb{0}> trace x86_ipi_db(ffffffff837a1ff0) 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 __mp_lock(ffffffff839b7ec0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff839b7ec0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 timeout_barrier(ffff8000ffff9020) at timeout_barrier+0x297 timeout_del_barrier(ffff8000ffff9020) at timeout_del_barrier+0x133 sys/kern/kern_timeout.c:462 sleep_finish(2,1) at sleep_finish+0x317 sys/kern/kern_synch.c:432 sys_nanosleep(ffff8000ffff8f78,ffff80002f09a9a0,ffff80002f09a8f0) at sys_nanosleep+0x28a sys/kern/kern_time.c:303 syscall(ffff80002f09a9a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002f09a9a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7752d46c9770, count: -12 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(ffffffff8340cbb7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c53de64,3,400000000100,ffff80003c53de98,0,2e,576e710ecd006bef) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000328b94a0,ffff80003c53dfd0,ffff80003c53df20) at sys_sysctl+0x425 syscall(ffff80003c53dfd0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53dfd0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd441a7410, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8340cbb7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire_locked+0x48d sys/uvm/uvm_fault.c:1739 uvm_fault_unwire(fffffd806c07d3c0,400000000000,400000001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(37,ffff80003c53de68,2,400000000100,ffff80003c53de98,0,57c5f6c952da5d4,2) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c53de64,3,400000000100,ffff80003c53de98,0,2e,576e710ecd006bef) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000328b94a0,ffff80003c53dfd0,ffff80003c53df20) at sys_sysctl+0x425 syscall(ffff80003c53dfd0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c53dfd0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1cd441a7410, count: -9