panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 99434 42092 0 0 0x4000000 1K syz-executor.4 511761 42092 0 0 0x4000000 0 syz-executor.4 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800022c5cd28,ffff8000294fc1e8,ffff8000294fc240) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff8000294fc2b0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000294fc2b0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ee8493e950, 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{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+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800022c5cd28,ffff8000294fc1e8,ffff8000294fc240) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff8000294fc2b0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000294fc2b0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ee8493e950, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000294fbfb0 rbx 0xffff800020ce9bff rdx 0 rcx 0 rax 0xffff800022c5cd28 r8 0x101010101010101 r9 0x8080808080808080 r10 0x92130488764ece53 r11 0xafc7cfb2d8f72edb r12 0xffff800020ce9a00 r13 0 r14 0 r15 0x1 rip 0xffffffff82293c58 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000294fbfa0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.4) pid=99434 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff800022c5ca88,0xffff800022c5d7b8 process=0xffff80002e3990c8 user=0xffff8000294f7000, vmspace=0xfffffd8065d302f8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 42092 397081 39075 0 2 0 syz-executor.4 42092 179667 39075 0 2 0x4000000 syz-executor.4 *42092 99434 39075 0 7 0x4000000 syz-executor.4 42092 511761 39075 0 7 0x4000000 syz-executor.4 86506 83776 20239 0 2 0 syz-executor.7 18505 495965 82559 0 2 0 syz-executor.1 18505 301617 82559 0 3 0x4000080 fsleep syz-executor.1 9061 499241 15882 0 2 0 syz-executor.3 9061 323688 15882 0 3 0x4000080 fsleep syz-executor.3 82559 338442 60273 0 3 0x82 nanoslp syz-executor.1 40766 233696 60273 0 3 0x82 piperd syz-executor.2 39075 389362 60273 0 3 0x82 nanoslp syz-executor.4 85043 517440 0 0 3 0x14280 nfsidl nfsio 94261 226718 0 0 3 0x14280 nfsidl nfsio 55914 96930 0 0 3 0x14280 nfsidl nfsio 36582 219656 0 0 3 0x14280 nfsidl nfsio 88499 522873 0 0 3 0x14280 nfsidl nfsio 31697 288825 0 0 3 0x14280 nfsidl nfsio 21566 346901 0 0 3 0x14280 nfsidl nfsio 8538 352032 0 0 3 0x14280 nfsidl nfsio 4454 189995 0 0 3 0x14280 nfsidl nfsio 34354 423564 0 0 3 0x14280 nfsidl nfsio 21376 105515 0 0 3 0x14280 nfsidl nfsio 42363 352696 0 0 3 0x14280 nfsidl nfsio 3246 77794 0 0 3 0x14280 nfsidl nfsio 34089 375165 0 0 3 0x14280 nfsidl nfsio 40131 81356 0 0 3 0x14280 nfsidl nfsio 50699 139729 0 0 3 0x14280 nfsidl nfsio 61846 200643 0 0 3 0x14280 nfsidl nfsio 65404 252381 0 0 3 0x14280 nfsidl nfsio 36289 251726 0 0 3 0x14280 nfsidl nfsio 65315 288910 0 0 3 0x14280 nfsidl nfsio 20239 520317 60273 0 3 0x82 nanoslp syz-executor.7 85 419795 60273 0 3 0x82 piperd syz-executor.6 84384 203310 60273 0 3 0x82 piperd syz-executor.5 53986 85559 60273 0 3 0x82 nanoslp syz-executor.0 34924 224790 0 0 3 0x14200 acct acct 15882 367130 60273 0 3 0x82 nanoslp syz-executor.3 56186 343625 0 0 3 0x14200 bored sosplice 60273 397590 55151 0 3 0x82 thrsleep syz-fuzzer 60273 428994 55151 0 3 0x4000082 nanoslp syz-fuzzer 60273 416436 55151 0 3 0x4000082 thrsleep syz-fuzzer 60273 355930 55151 0 3 0x4000082 thrsleep syz-fuzzer 60273 349481 55151 0 3 0x4000082 kqread syz-fuzzer 60273 7310 55151 0 3 0x4000082 thrsleep syz-fuzzer 60273 381451 55151 0 3 0x4000082 thrsleep syz-fuzzer 60273 517292 55151 0 3 0x4000082 nanoslp syz-fuzzer 60273 343702 55151 0 3 0x4000082 thrsleep syz-fuzzer 60273 292226 55151 0 3 0x4000082 thrsleep syz-fuzzer 55151 466956 27872 0 3 0x10008a sigsusp ksh 27872 337523 34271 0 3 0x9a kqread sshd 64695 23227 1 0 3 0x100083 ttyin getty 34271 221754 1 0 3 0x88 kqread sshd 81176 138880 3109 74 3 0x1100092 bpf pflogd 3109 446502 1 0 3 0x80 netio pflogd 88043 204661 14497 73 3 0x1100090 kqread syslogd 14497 339376 1 0 3 0x100082 netio syslogd 64646 520707 1 0 3 0x100080 kqread resolvd 55503 476647 44917 77 3 0x100092 kqread dhcpleased 64216 46182 44917 77 3 0x100092 kqread dhcpleased 44917 139438 1 0 3 0x80 kqread dhcpleased 63977 466706 0 0 3 0x14200 bored smr 22303 60227 0 0 2 0x14200 zerothread 98898 80833 0 0 3 0x14200 aiodoned aiodoned 63184 315474 0 0 3 0x14200 syncer update 63502 416131 0 0 3 0x14200 cleaner cleaner 90409 21885 0 0 3 0x14200 reaper reaper 44318 442416 0 0 3 0x14200 pgdaemon pagedaemon 7508 446743 0 0 3 0x14200 bored viomb 26664 133756 0 0 3 0x40014200 acpi0 acpi0 99257 90240 0 0 3 0x40014200 idle1 38633 446261 0 0 3 0x14200 bored softnet 17863 315457 0 0 3 0x14200 bored systqmp 68298 188602 0 0 3 0x14200 bored systq 83046 259186 0 0 3 0x40014200 bored softclock 5704 347774 0 0 3 0x40014200 idle0 1 521514 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 42092 (syz-executor.4) thread 0xffff800022c5cd28 (99434) shared rwlock vmmaplk r = 0 (0xfffffd8065d30310) #0 witness_lock+0x44d #1 uvm_fault_unwire+0x31 sys/uvm/uvm_fault.c:1600 #2 sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829d7b08) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3d3 sys/kern/sched_bsd.c:416 #3 sleep_finish+0x198 sys/kern/kern_synch.c:437 #4 rw_enter+0x35a sys/kern/kern_rwlock.c:286 #5 vm_map_lock_ln+0xda sys/uvm/uvm_map.c:5458 #6 uvmfault_lookup+0xb9 sys/uvm/uvm_fault.c:1756 #7 uvm_fault_check+0x603 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #7 uvm_fault_check+0x603 sys/uvm/uvm_fault.c:712 #8 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #9 uvm_fault_wire+0x63 sys/uvm/uvm_fault.c:1580 #10 sys_sysctl+0x2d8 sys/kern/kern_sysctl.c:240 #11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #12 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8296c7c0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 sys_sysctl+0x1b3 sys/kern/kern_sysctl.c:233 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 42092 (syz-executor.4) thread 0xffff800022c5d7a8 (511761) exclusive rwlock futex r = 0 (0xffffffff829476d0) #0 witness_lock+0x44d #1 sys_futex+0x5c sys/kern/sys_futex.c:108 #2 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #2 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #3 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10219 6500K 7021K 78643K 23231 0 pcb 13 14K 16K 78643K 1285 0 rtable 196 17K 26K 78643K 2470 0 ifaddr 88 19K 24K 78643K 1024 0 sysctl 2 0K 0K 78643K 4 0 counters 54 35K 36K 78643K 224 0 ioctlops 0 0K 4K 78643K 3058 0 iov 0 0K 20K 78643K 1247 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1359 85K 86K 78643K 5248 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 50 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 52 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 81K 78643K 9038 0 sigio 0 0K 0K 78643K 114 0 proc 72 91K 115K 78643K 1738 0 subproc 104 6K 6K 78643K 533 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 367 0 in_multi 73 4K 6K 78643K 645 0 ether_multi 1 0K 0K 78643K 76 0 mrt 1 0K 0K 78643K 37 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 241 1076K 1076K 78643K 241 0 exec 0 0K 2K 78643K 2393 0 pfkey data 0 0K 0K 78643K 4 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 7 26K 26K 78643K 7 0 UVM amap 361 435K 451K 78643K 55210 0 UVM aobj 131 4K 4K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 493 0 NDP 12 0K 1K 78643K 186 0 temp 144 4758K 4888K 78643K 109833 0 kqueue 12 18K 30K 78643K 2438 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 1533 0 1530 10 9 1 3 0 8 0 rtentry 112 585 0 505 5 2 3 4 0 8 0 unpcb 136 6847 0 6832 71 69 2 9 0 8 1 syncache 296 36 0 36 10 10 0 1 0 8 0 tcpqe 32 158 0 158 6 6 0 1 0 8 0 tcpcb 736 2676 0 2662 83 81 2 14 0 8 0 arp 120 102 0 87 1 0 1 1 0 8 0 inpcb 312 7055 0 7042 85 83 2 14 0 8 0 nd6 48 132 0 115 1 0 1 1 0 8 0 pkpcb 40 17 0 17 4 4 0 1 0 8 0 kcovpl 48 41 0 33 1 0 1 1 0 8 0 ppxss 1248 30 0 30 8 8 0 1 0 8 0 pfstscr 40 10 0 6 1 0 1 1 0 8 0 pffrag 232 27 0 27 3 2 1 1 0 482 1 pffrnode 88 27 0 27 3 2 1 1 0 8 1 pffrent 40 77 0 77 3 2 1 1 0 8 1 pfosfp 40 1444 0 1440 6 5 1 5 0 8 0 pfosfpen 112 1444 0 1440 22 21 1 21 0 8 0 pfrktable 1344 323 0 317 5 4 1 2 0 8 0 pftag 88 9 0 1 1 0 1 1 0 8 0 pfqueue 264 8 0 8 3 2 1 1 0 8 1 pfstitem 24 34 0 24 1 0 1 1 0 8 0 pfstkey 112 54 0 47 1 0 1 1 0 8 0 pfstate 336 41 0 35 2 0 2 2 0 8 0 pfrule 1360 559 0 548 6 5 1 5 0 8 0 rttmrq 48 33 0 29 1 0 1 1 0 8 0 rttmr 72 10 0 10 3 2 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2388 0 2023 48 21 27 30 0 8 3 art_table 32 2389 0 2023 5 1 4 4 0 8 0 art_node 16 573 0 503 1 0 1 1 0 8 0 sysvmsgpl 40 136 0 96 3 2 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 43 0 33 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 12480 0 11017 92 0 92 92 0 8 0 ffsino 272 12480 0 11017 99 0 99 99 0 8 0 nchpl 144 24359 0 22714 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 91923 0 91923 5 4 1 2 0 8 1 percpumem 16 124 0 85 1 0 1 1 0 8 0 vcpupl 2048 57 0 0 8 0 8 8 0 8 0 vmpool 560 73 0 16 7 2 5 5 0 8 0 pfiaddrpl 120 121 0 111 3 2 1 1 0 8 0 kstatmem 264 194 0 170 5 3 2 3 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 74584 0 74584 33 32 1 8 0 8 1 plimitpl 152 1195 0 1180 1 0 1 1 0 8 0 sigapl 424 9318 0 9254 11 3 8 8 0 8 0 futexpl 64 84710 0 84707 1 0 1 1 0 8 0 knotepl 120 743 0 0 17 0 17 17 0 8 0 kqueuepl 216 5174 0 5165 25 24 1 5 0 8 0 pipepl 336 8648 0 8620 79 73 6 11 0 8 3 fdescpl 496 9262 0 9235 6 2 4 5 0 8 0 filepl 152 78445 0 78202 117 102 15 22 0 8 5 lockfpl 104 2009 0 2007 3 2 1 2 0 8 0 lockfspl 48 612 0 610 1 0 1 1 0 8 0 sessionpl 144 57 0 40 1 0 1 1 0 8 0 pgrppl 48 75 0 58 1 0 1 1 0 8 0 ucredpl 96 5697 0 5685 1 0 1 1 0 8 0 zombiepl 144 9255 0 9254 2 1 1 1 0 8 0 processpl 1064 9318 0 9254 6 1 5 5 0 8 0 procpl 672 26594 0 26516 20 12 8 9 0 8 0 srpgc 96 44 0 44 13 12 1 1 0 8 1 sosppl 168 56 0 55 10 9 1 1 0 8 0 sockpl 480 15461 0 15433 344 333 11 34 0 8 6 mcl64k 65536 91 0 0 11 0 11 11 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 20 0 0 2 0 2 2 0 8 0 mcl8k 8192 34 0 0 4 0 4 4 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 457 0 0 44 0 44 44 0 8 0 mtagpl 96 581 0 0 10 0 10 10 0 8 0 mbufpl 256 1347 0 0 71 0 71 71 0 8 0 bufpl 288 17544 0 11214 453 0 453 453 0 8 0 anonpl 24 1836623 0 1819670 231 107 124 161 0 186 0 amapchunkpl 152 174351 0 173705 62 32 30 42 0 158 0 amappl16 200 26754 0 26129 133 98 35 59 0 8 0 amappl15 192 1009 0 1009 1 0 1 1 0 8 1 amappl14 184 879 0 876 3 2 1 1 0 8 0 amappl13 176 1460 0 1456 1 0 1 1 0 8 0 amappl12 168 983 0 973 1 0 1 1 0 8 0 amappl11 160 1095 0 1074 2 1 1 2 0 8 0 amappl10 152 1202 0 1197 1 0 1 1 0 8 0 amappl9 144 2452 0 2445 1 0 1 1 0 8 0 amappl8 136 2410 0 2307 4 0 4 4 0 8 0 amappl7 128 1310 0 1297 1 0 1 1 0 8 0 amappl6 120 2395 0 2372 2 1 1 2 0 8 0 amappl5 112 7479 0 7464 1 0 1 1 0 8 0 amappl4 104 3707 0 3674 2 1 1 2 0 8 0 amappl3 96 29190 0 29145 2 0 2 2 0 8 0 amappl2 88 11293 0 11217 3 1 2 3 0 8 0 amappl1 80 221220 0 220599 25 10 15 20 0 8 0 amappl 88 54039 0 53851 8 2 6 6 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 9335 0 9251 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9335 0 9251 1 0 1 1 0 8 0 vmmpekpl 168 102471 0 102410 4 0 4 4 0 8 0 vmmpepl 168 915132 0 912406 243 102 141 158 0 357 0 vmsppl 368 9334 0 9251 10 2 8 8 0 8 0 rwobjpl 56 229751 0 221991 123 9 114 117 0 8 0 pdppl 4096 18677 0 18559 439 313 126 126 0 8 8 pvpl 32 3590920 0 3569181 463 254 209 258 0 265 9 pmappl 248 9334 0 9251 7 1 6 6 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1552 0 584 29 0 29 29 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82934ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff829d7900) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829d7900) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff829d7900) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829d7900) at __mp_lock+0x129 sys/kern/kern_lock.c:147 sleep_setup(ffff80002e3c0f80,ffff800022c5d7a8,120,ffffffff8258bb21,0) at sleep_setup+0xd3 sys/kern/kern_synch.c:374 rwsleep(ffff800022c5d7a8,ffffffff829476c0,120,ffffffff8258bb21,0) at rwsleep+0xc0 sys/kern/kern_synch.c:315 futex_wait(8ee4eb3df00,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff800022c5d7a8,ffff80002e3c1110,ffff80002e3c1170) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff80002e3c11e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3c11e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ee51061070, count: 2 ddb{0}> trace x86_ipi_db(ffffffff82934ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff829d7900) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829d7900) at __mp_lock+0x122 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff829d7900) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829d7900) at __mp_lock+0x129 sys/kern/kern_lock.c:147 sleep_setup(ffff80002e3c0f80,ffff800022c5d7a8,120,ffffffff8258bb21,0) at sleep_setup+0xd3 sys/kern/kern_synch.c:374 rwsleep(ffff800022c5d7a8,ffffffff829476c0,120,ffffffff8258bb21,0) at rwsleep+0xc0 sys/kern/kern_synch.c:315 futex_wait(8ee4eb3df00,1,0,2) at futex_wait+0x13c sys/kern/sys_futex.c:260 sys_futex(ffff800022c5d7a8,ffff80002e3c1110,ffff80002e3c1170) at sys_futex+0xf8 sys/kern/sys_futex.c:111 syscall(ffff80002e3c11e0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002e3c11e0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ee51061070, count: -13 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800022c5cd28,ffff8000294fc1e8,ffff8000294fc240) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff8000294fc2b0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000294fc2b0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ee8493e950, count: 8 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8263ad46) at panic+0x177 sys/kern/subr_prf.c:202 uvm_fault_unwire_locked(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire_locked+0x311 sys/uvm/uvm_fault.c:1640 uvm_fault_unwire(fffffd8065d302f8,20000000,20011000) at uvm_fault_unwire+0x3f sys/uvm/uvm_fault.c:1601 sys_sysctl(ffff800022c5cd28,ffff8000294fc1e8,ffff8000294fc240) at sys_sysctl+0x229 sys/kern/kern_sysctl.c:254 syscall(ffff8000294fc2b0) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff8000294fc2b0) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8ee8493e950, count: -7