panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *271735 48956 32767 0x10 0x4000000 0 syz-executor.5 221003 62935 32767 0x10 0 1 syz-executor.2 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff826500af) at panic+0x177 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806f430008,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1650 uvm_fault_unwire(fffffd806f430008,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611 sys_sysctl(ffff8000ffff47e0,ffff80002e4d5018,ffff80002e4d5060) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:253 syscall(ffff80002e4d50e0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e4d50e0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd47aececc50, count: 8 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff826500af) at panic+0x177 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806f430008,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1650 uvm_fault_unwire(fffffd806f430008,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611 sys_sysctl(ffff8000ffff47e0,ffff80002e4d5018,ffff80002e4d5060) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:253 syscall(ffff80002e4d50e0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e4d50e0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd47aececc50, count: -7 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e4d4de0 rbx 0xffffffff82956b8f cpu_info_full_primary+0x2b8f rdx 0 rcx 0 rax 0xffff8000ffff47e0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xde82f113d6068a75 r11 0xfd4e13acebe7e276 r12 0xffffffff82956990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81224598 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e4d4dd0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.5) pid=271735 stat=onproc flags process=10 proc=4000000 pri=17, usrpri=83, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5260,0xffff800026223520 process=0xffff80002e484448 user=0xffff80002e4d0000, vmspace=0xfffffd806f430008 estcpu=33, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37578 60989 10 32767 2 0x10 syz-executor.6 37578 183970 10 32767 2 0x4000010 syz-executor.6 59928 64068 28452 32767 2 0x10 syz-executor.3 59928 94899 28452 32767 3 0x4000090 fsleep syz-executor.3 48956 139372 92180 32767 2 0x10 syz-executor.5 48956 106976 92180 32767 3 0x4000090 fsleep syz-executor.5 48956 425163 92180 32767 3 0x4000090 fsleep syz-executor.5 *48956 271735 92180 32767 7 0x4000010 syz-executor.5 48956 293024 92180 32767 2 0x4000010 syz-executor.5 79729 27322 7917 32767 2 0x10 syz-executor.7 79729 119545 7917 32767 3 0x4000090 netcon syz-executor.7 59510 323298 62935 32767 2 0x10 syz-executor.2 62935 221003 13952 32767 7 0x10 syz-executor.2 13952 487298 88088 0 3 0x82 wait syz-executor.2 28452 171445 72475 32767 2 0x490 syz-executor.3 72475 54835 88088 0 3 0x82 wait syz-executor.3 20353 159978 718 32767 3 0x90 nanoslp syz-executor.4 718 399197 88088 0 3 0x82 wait syz-executor.4 29255 136331 78602 32767 2 0x10 syz-executor.0 78602 72394 88088 0 3 0x82 wait syz-executor.0 78970 492795 40079 32767 2 0x10 syz-executor.1 40079 209101 88088 0 3 0x82 wait syz-executor.1 10 325954 39826 32767 2 0x490 syz-executor.6 39826 292500 88088 0 3 0x82 wait syz-executor.6 92180 223897 9653 32767 2 0x490 syz-executor.5 9653 416294 88088 0 3 0x82 wait syz-executor.5 7917 435395 35898 32767 2 0x490 syz-executor.7 35898 379283 88088 0 3 0x82 wait syz-executor.7 45980 343735 0 0 3 0x14200 bored sosplice 88088 207306 13357 0 3 0x82 wait syz-fuzzer 88088 323658 13357 0 3 0x4000082 nanoslp syz-fuzzer 88088 126271 13357 0 3 0x4000082 wait syz-fuzzer 88088 356218 13357 0 3 0x4000082 wait syz-fuzzer 88088 225259 13357 0 3 0x4000082 thrsleep syz-fuzzer 88088 14194 13357 0 3 0x4000082 wait syz-fuzzer 88088 254168 13357 0 3 0x4000082 thrsleep syz-fuzzer 88088 521749 13357 0 3 0x4000082 thrsleep syz-fuzzer 88088 77444 13357 0 3 0x4000082 thrsleep syz-fuzzer 88088 353380 13357 0 3 0x4000082 kqread syz-fuzzer 88088 119194 13357 0 3 0x4000082 thrsleep syz-fuzzer 88088 152562 13357 0 3 0x4000082 wait syz-fuzzer 88088 83929 13357 0 3 0x4000082 wait syz-fuzzer 88088 317516 13357 0 3 0x4000082 wait syz-fuzzer 88088 213461 13357 0 3 0x4000082 thrsleep syz-fuzzer 88088 269878 13357 0 3 0x4000082 wait syz-fuzzer 13357 286981 15504 0 3 0x10008a sigsusp ksh 15504 326634 14960 0 3 0x9a kqread sshd 10196 469891 1 0 3 0x100083 ttyin getty 14960 450720 1 0 3 0x88 kqread sshd 72715 215945 98203 73 3 0x1100090 kqread syslogd 98203 73838 1 0 3 0x100082 netio syslogd 58733 405575 1 0 3 0x100080 kqread resolvd 8630 347148 6775 77 3 0x100092 kqread dhcpleased 62664 320281 6775 77 3 0x100092 kqread dhcpleased 6775 108694 1 0 3 0x80 kqread dhcpleased 78976 309210 0 0 3 0x14200 bored smr 22876 288359 0 0 2 0x14200 zerothread 81598 9836 0 0 3 0x14200 aiodoned aiodoned 2440 107957 0 0 3 0x14200 syncer update 77677 500594 0 0 3 0x14200 cleaner cleaner 48802 447757 0 0 3 0x14200 reaper reaper 43136 523705 0 0 3 0x14200 pgdaemon pagedaemon 52939 443247 0 0 3 0x14200 bored viomb 48023 65051 0 0 3 0x40014200 acpi0 acpi0 81125 65333 0 0 3 0x40014200 idle1 38467 6120 0 0 3 0x14200 bored softnet 88576 70682 0 0 3 0x14200 bored softnet 40623 266383 0 0 3 0x14200 bored softnet 29863 349716 0 0 3 0x14200 bored softnet 88898 47601 0 0 3 0x14200 bored systqmp 76626 345451 0 0 3 0x14200 bored systq 47941 493311 0 0 2 0x40014200 softclock 77543 398550 0 0 3 0x40014200 idle0 1 474003 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 48956 (syz-executor.5) thread 0xffff8000ffff47e0 (271735) shared rwlock vmmaplk r = 0 (0xfffffd806f430020) #0 witness_lock+0x44d #1 uvm_fault_unwire+0x31 sys/uvm/uvm_fault.c:1610 #2 sys_sysctl+0x229 sys/kern/kern_sysctl.c:253 #3 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a43280) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:415 #3 sleep_finish+0x180 sys/kern/kern_synch.c:417 #4 tsleep+0x12c sys/kern/kern_synch.c:155 #5 getblk+0x13c sys/kern/vfs_bio.c:1028 #6 bread+0x3a bio_doread sys/kern/vfs_bio.c:433 [inline] #6 bread+0x3a sys/kern/vfs_bio.c:478 #7 ffs_update+0x14b sys/ufs/ffs/ffs_inode.c:91 #8 ufs_inactive+0x25f sys/ufs/ufs/ufs_inode.c:110 #9 VOP_INACTIVE+0xc4 sys/kern/vfs_vops.c:489 #10 vrele+0xd2 sys/kern/vfs_subr.c:827 #11 vfs_getcwd_scandir+0x3e7 sys/kern/vfs_getcwd.c:200 #12 vfs_getcwd_common+0x261 sys/kern/vfs_getcwd.c:353 #13 sysctl_proc_cwd+0x1f2 sys/kern/kern_sysctl.c:1983 #14 kern_sysctl+0x107 sys/kern/kern_sysctl.c:447 #15 sys_sysctl+0x209 sys/kern/kern_sysctl.c:248 #16 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #16 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #17 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8296cff0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 sys_sysctl+0x1b3 sys/kern/kern_sysctl.c:232 #3 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 29255 (syz-executor.0) thread 0xffff8000ffff57a0 (136331) exclusive rrwlock inode r = 0 (0xfffffd8063c9cc50) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8063c9c3d0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 78970 (syz-executor.1) thread 0xffff80002843ad20 (492795) exclusive rrwlock inode r = 0 (0xfffffd807d2b4928) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807d2b4708) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10217 6412K 6420K 78643K 11468 0 pcb 13 12K 14K 78643K 17 0 rtable 240 6K 7K 78643K 3650 0 ifaddr 82 18K 18K 78643K 461 0 sysctl 3 1K 3K 78643K 6 0 counters 56 35K 35K 78643K 162 0 ioctlops 0 0K 2K 78643K 405 0 iov 0 0K 32K 78643K 6166 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1271 79K 79K 78643K 5876 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 343 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 5213 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 23 85K 125K 78643K 26956 0 sigio 0 0K 0K 78643K 415 0 proc 56 78K 115K 78643K 3809 0 subproc 104 6K 6K 78643K 793 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3075 0 in_multi 99 6K 7K 78643K 1030 0 ether_multi 1 0K 0K 78643K 118 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 229 1023K 1023K 78643K 229 0 exec 0 0K 2K 78643K 5948 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 467 99K 995K 78643K 192831 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 819 0 NDP 11 0K 2K 78643K 186 0 temp 124 4734K 4862K 78643K 69162 0 kqueue 12 18K 34K 78643K 2520 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 2445 0 2442 31 30 1 5 0 8 0 rtentry 112 722 0 609 4 0 4 4 0 8 0 unpcb 144 32136 0 32119 271 270 1 16 0 8 0 syncache 296 297 0 297 42 42 0 1 0 8 0 sackhl 24 3 0 3 3 3 0 1 0 8 0 tcpqe 32 229 0 229 29 29 0 1 0 8 0 tcpcb 768 16476 0 16435 459 454 5 21 0 8 0 arp 120 131 0 112 1 0 1 1 0 8 0 ipq 40 32 0 32 16 15 1 1 0 8 1 ipqe 40 167 0 167 16 15 1 1 0 8 1 inpcb 368 53463 0 53447 459 450 9 17 0 8 6 nd6 48 204 0 178 1 0 1 1 0 8 0 kcovpl 48 61 0 53 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2895 0 2424 38 8 30 31 0 8 0 art_table 32 2896 0 2424 4 0 4 4 0 8 0 art_node 16 721 0 618 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 5206 0 5196 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 36317 0 34843 93 0 93 93 0 8 0 ffsino 272 36317 0 34843 99 0 99 99 0 8 0 nchpl 144 72897 0 71263 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 252766 0 252764 6 5 1 2 0 8 0 percpumem 16 93 0 53 1 0 1 1 0 8 0 kstatmem 264 128 0 106 2 0 2 2 0 8 0 scxspl 216 231753 0 231753 103 101 2 8 0 8 2 plimitpl 152 6629 0 6605 56 55 1 2 0 8 0 sigapl 424 27137 0 27084 7 0 7 7 0 8 0 futexpl 64 251464 0 251461 9 8 1 1 0 8 0 knotepl 120 1626 0 0 19 4 15 17 0 8 0 kqueuepl 216 7436 0 7428 112 111 1 7 0 8 0 pipepl 320 5911 0 5883 156 153 3 13 0 8 0 fdescpl 496 27119 0 27085 7 2 5 6 0 8 0 filepl 152 215236 0 214997 351 338 13 25 0 8 2 lockfpl 104 4202 0 4200 2 1 1 2 0 8 0 lockfspl 48 1071 0 1069 1 0 1 1 0 8 0 sessionpl 144 76 0 60 1 0 1 1 0 8 0 pgrppl 48 171 0 155 1 0 1 1 0 8 0 ucredpl 104 28984 0 28966 1 0 1 1 0 8 0 zombiepl 144 27085 0 27084 2 1 1 1 0 8 0 processpl 1064 27137 0 27084 5 1 4 5 0 8 0 procpl 672 81646 0 81571 56 48 8 9 0 8 1 sosppl 168 496 0 496 42 42 0 1 0 8 0 sockpl 488 89315 0 89282 1525 1511 14 51 0 8 9 mcl64k 65536 41 0 0 4 1 3 3 0 8 0 mcl16k 16384 41 0 0 4 1 3 3 0 8 0 mcl12k 12288 49 0 0 2 0 2 2 0 8 0 mcl9k 9216 27 0 0 2 0 2 2 0 8 0 mcl8k 8192 65 0 0 5 2 3 3 0 8 0 mcl4k 4096 57 0 0 4 1 3 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 705 0 0 44 21 23 44 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 14024 0 0 857 1 856 856 0 8 0 bufpl 288 50883 0 44555 453 0 453 453 0 8 0 anonpl 24 5518598 0 5504917 323 213 110 124 0 186 0 amapchunkpl 152 1993324 0 1992575 13363 13195 168 4422 0 158 131 amappl16 200 55586 0 55243 370 350 20 37 0 8 0 amappl15 192 212 0 203 1 0 1 1 0 8 0 amappl14 184 34 0 30 1 0 1 1 0 8 0 amappl13 176 9591 0 9583 1 0 1 1 0 8 0 amappl12 168 7349 0 7337 1 0 1 1 0 8 0 amappl11 160 545 0 535 1 0 1 1 0 8 0 amappl10 152 1304 0 1290 1 0 1 1 0 8 0 amappl9 144 1431 0 1431 59 58 1 1 0 8 1 amappl8 136 3446 0 3209 10 1 9 9 0 8 0 amappl7 128 3297 0 3271 1 0 1 1 0 8 0 amappl6 120 1776 0 1746 4 3 1 2 0 8 0 amappl5 112 26711 0 26690 1 0 1 1 0 8 0 amappl4 104 3760 0 3728 2 1 1 2 0 8 0 amappl3 96 86525 0 86468 3 1 2 3 0 8 0 amappl2 88 2436 0 2383 3 1 2 3 0 8 0 amappl1 80 597122 0 596393 34 17 17 21 0 8 0 amappl 88 190205 0 189976 7 0 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 27119 0 27085 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 27119 0 27085 1 0 1 1 0 8 0 vmmpekpl 168 227029 0 226962 4 0 4 4 0 8 0 vmmpepl 168 2567198 0 2564250 474 331 143 162 0 357 1 vmsppl 368 27118 0 27085 4 0 4 4 0 8 0 rwobjpl 56 672907 0 665220 129 16 113 113 0 8 0 pdppl 4096 54245 0 54170 841 760 81 95 0 8 6 pvpl 32 10593766 0 10573597 907 693 214 257 0 265 25 pmappl 248 27118 0 27085 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2918 0 1252 48 0 48 48 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff826500af) at panic+0x177 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806f430008,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1650 uvm_fault_unwire(fffffd806f430008,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1611 sys_sysctl(ffff8000ffff47e0,ffff80002e4d5018,ffff80002e4d5060) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:253 syscall(ffff80002e4d50e0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e4d50e0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd47aececc50, count: -7 ddb{0}> machine ddbcpu 1