panic: pmap_unwire: invalid PDE Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *203166 24751 32767 0x10 0x4000000 1K syz-executor.6 486757 14500 32767 0x1010 0x4080000 0 syz-executor.4 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8264de00) at panic+0x177 sys/kern/subr_prf.c:202 pmap_unwire(fffffd8070461108,20000000) at pmap_unwire+0x1d9 sys/arch/amd64/amd64/pmap.c:2189 uvm_fault_unwire_locked(fffffd806bbe12f0,20000000,20002000) at uvm_fault_unwire_locked+0x1fc sys/uvm/uvm_fault.c:1677 uvm_map_pageable_wire(fffffd806bbe12f0,fffffd8068132ed8,fffffd807d283360,0,0,0) at uvm_map_pageable_wire+0x5c0 sys_mlock(ffff8000fffeea80,ffff80002e518c68,ffff80002e518cb0) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 syscall(ffff80002e518d30) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e518d30) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf353793e410, 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: pmap_unwire: invalid PDE ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8264de00) at panic+0x177 sys/kern/subr_prf.c:202 pmap_unwire(fffffd8070461108,20000000) at pmap_unwire+0x1d9 sys/arch/amd64/amd64/pmap.c:2189 uvm_fault_unwire_locked(fffffd806bbe12f0,20000000,20002000) at uvm_fault_unwire_locked+0x1fc sys/uvm/uvm_fault.c:1677 uvm_map_pageable_wire(fffffd806bbe12f0,fffffd8068132ed8,fffffd807d283360,0,0,0) at uvm_map_pageable_wire+0x5c0 sys_mlock(ffff8000fffeea80,ffff80002e518c68,ffff80002e518cb0) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 syscall(ffff80002e518d30) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e518d30) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf353793e410, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e5189c0 rbx 0xffff800020dd9b97 rdx 0 rcx 0 rax 0xffff8000fffeea80 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2ac68fc50a64296b r11 0x99caf8f8d9e00ad2 r12 0xffff800020dd9998 r13 0 r14 0 r15 0x1 rip 0xffffffff822e6648 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002e5189b0 ss 0 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.6) pid=203166 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffefce0,0xffffffff82abd960 process=0xffff8000ffff2158 user=0xffff80002e513000, vmspace=0xfffffd806bbe12f0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 2777 381805 42102 32767 2 0x10 syz-executor.5 2777 366350 42102 32767 2 0x4000010 syz-executor.5 2777 276998 42102 32767 2 0x4000010 syz-executor.5 58392 276153 31299 32767 2 0x10 syz-executor.0 58392 399676 31299 32767 2 0x4000010 syz-executor.0 58392 379297 31299 32767 3 0x4000090 fsleep syz-executor.0 93530 381437 86361 32767 2 0x10 syz-executor.1 93530 480770 86361 32767 3 0x4000090 fsleep syz-executor.1 28600 183141 27275 32767 2 0x10 syz-executor.7 28600 318034 27275 32767 2 0x4000010 syz-executor.7 24751 358294 84117 32767 3 0x10 vmmaplk syz-executor.6 24751 472263 84117 32767 3 0x4000010 biowait syz-executor.6 *24751 203166 84117 32767 7 0x4000010 syz-executor.6 26160 203014 27298 32767 2 0x10 syz-executor.2 26160 93799 27298 32767 3 0x4000090 fsleep syz-executor.2 14500 231896 26274 32767 2 0x81010 syz-executor.4 14500 486757 26274 32767 7 0x4081010 syz-executor.4 14500 420405 26274 32767 3 0x4003010 suspend syz-executor.4 40203 168257 87433 32767 3 0x90 nanoslp syz-executor.3 40203 258048 87433 32767 3 0x4000090 netio syz-executor.3 40203 59185 87433 32767 3 0x4000090 fsleep syz-executor.3 31299 413363 71362 32767 3 0x90 nanoslp syz-executor.0 71362 324729 7185 0 3 0x82 wait syz-executor.0 27298 223287 28223 32767 3 0x90 nanoslp syz-executor.2 28223 521326 7185 0 3 0x82 wait syz-executor.2 27275 307570 44952 32767 3 0x90 nanoslp syz-executor.7 44952 44002 7185 0 3 0x82 wait syz-executor.7 42102 358272 57079 32767 3 0x90 nanoslp syz-executor.5 57079 55050 7185 0 3 0x82 wait syz-executor.5 86361 302879 30309 32767 3 0x90 nanoslp syz-executor.1 30309 453797 7185 0 3 0x82 wait syz-executor.1 87433 239459 86665 32767 3 0x90 nanoslp syz-executor.3 86665 110755 7185 0 3 0x82 wait syz-executor.3 84117 332282 77613 32767 3 0x90 nanoslp syz-executor.6 77613 91151 7185 0 3 0x82 wait syz-executor.6 26274 276740 66998 32767 3 0x90 nanoslp syz-executor.4 66998 276598 7185 0 3 0x82 wait syz-executor.4 24968 205175 0 0 3 0x14200 bored sosplice 7185 235178 15408 0 3 0x82 wait syz-fuzzer 7185 222776 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 278151 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 429455 15408 0 3 0x4000082 wait syz-fuzzer 7185 400400 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 410736 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 67796 15408 0 3 0x4000082 wait syz-fuzzer 7185 362360 15408 0 3 0x4000082 kqread syz-fuzzer 7185 502784 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 437638 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 170372 15408 0 3 0x4000082 wait syz-fuzzer 7185 241116 15408 0 3 0x4000082 wait syz-fuzzer 7185 237268 15408 0 3 0x4000082 wait syz-fuzzer 7185 471303 15408 0 3 0x4000082 thrsleep syz-fuzzer 7185 198815 15408 0 3 0x4000082 wait syz-fuzzer 7185 301182 15408 0 3 0x4000082 wait syz-fuzzer 15408 390244 99132 0 3 0x10008a sigsusp ksh 99132 490153 82979 0 3 0x9a kqread sshd 53113 485067 1 0 3 0x100083 ttyin getty 82979 180992 1 0 3 0x88 kqread sshd 66354 289174 55298 73 3 0x1100090 kqread syslogd 55298 316798 1 0 3 0x100082 netio syslogd 29894 283555 1 0 3 0x100080 kqread resolvd 81445 63571 90021 77 3 0x100092 kqread dhcpleased 36898 220397 90021 77 3 0x100092 kqread dhcpleased 90021 463354 1 0 3 0x80 kqread dhcpleased 19228 148943 0 0 3 0x14200 bored smr 84943 420190 0 0 2 0x14200 zerothread 93172 355625 0 0 3 0x14200 aiodoned aiodoned 93117 433343 0 0 3 0x14200 syncer update 26454 463639 0 0 3 0x14200 cleaner cleaner 46845 257289 0 0 3 0x14200 reaper reaper 87434 420960 0 0 3 0x14200 pgdaemon pagedaemon 40976 248147 0 0 3 0x14200 bored viomb 96208 28523 0 0 3 0x40014200 acpi0 acpi0 99452 229584 0 0 3 0x40014200 idle1 69972 395466 0 0 3 0x14200 bored softnet 78594 355801 0 0 3 0x14200 bored softnet 62966 355498 0 0 3 0x14200 bored softnet 31946 486608 0 0 3 0x14200 bored softnet 63763 137977 0 0 3 0x14200 bored systqmp 65145 257599 0 0 3 0x14200 bored systq 57030 445082 0 0 3 0x40014200 bored softclock 43571 230086 0 0 3 0x40014200 idle0 1 296386 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 24751 (syz-executor.6) thread 0xffff8000fffefce0 (472263) exclusive rrwlock inode r = 0 (0xfffffd806ae662c8) #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:567 #5 vn_write+0x123 sys/kern/vfs_vnops.c:408 #6 dofilewritev+0x19c sys/kern/sys_generic.c:380 #7 sys_pad_pwritev+0xb9 sys_pwritev sys/kern/vfs_syscalls.c:3399 [inline] #7 sys_pad_pwritev+0xb9 sys/kern/vfs_syscalls.c:3455 #8 syscall+0x4c3 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c3 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 24751 (syz-executor.6) thread 0xffff8000fffeea80 (203166) exclusive rwlock uobjlk r = 0 (0xfffffd8077c6d7f0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 uvm_fault_unwire_locked+0x1c6 sys/uvm/uvm_fault.c:1668 #3 uvm_map_pageable_wire+0x5c0 #4 sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 #5 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #5 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82aeb6b0) #0 witness_lock+0x44d #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x3bb sys/kern/sched_bsd.c:416 #3 sleep_finish+0x180 sys/kern/kern_synch.c:420 #4 rw_enter+0x35a sys/kern/kern_rwlock.c:286 #5 uvm_fault_unwire_locked+0x1c6 sys/uvm/uvm_fault.c:1668 #6 uvm_map_pageable_wire+0x5c0 #7 sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 #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 exclusive rwlock vmmaplk r = 0 (0xfffffd806bbe1308) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 uvm_map_pageable_wire+0x374 vm_map_unbusy_ln sys/uvm/uvm_map.c:5543 [inline] #2 uvm_map_pageable_wire+0x374 sys/uvm/uvm_map.c:2394 #3 sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 #4 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #4 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #5 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10213 6412K 6419K 78643K 11521 0 pcb 13 12K 14K 78643K 17 0 rtable 244 6K 7K 78643K 4833 0 ifaddr 82 18K 18K 78643K 594 0 sysctl 3 1K 5K 78643K 18 0 counters 56 35K 35K 78643K 200 0 ioctlops 0 0K 2K 78643K 558 0 iov 0 0K 28K 78643K 5756 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1271 79K 80K 78643K 8899 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 401 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 8313 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 26 97K 117K 78643K 31642 0 sigio 0 0K 0K 78643K 627 0 proc 56 78K 115K 78643K 5206 0 subproc 104 6K 6K 78643K 1040 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 1 0K 0K 78643K 3182 0 in_multi 99 6K 7K 78643K 1253 0 ether_multi 1 0K 0K 78643K 125 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 259 1155K 1155K 78643K 259 0 exec 0 0K 2K 78643K 7414 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 62K 78643K 8 0 UVM amap 472 96K 113K 78643K 194038 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 1118 0 NDP 11 0K 2K 78643K 243 0 temp 124 4726K 4854K 78643K 82764 0 kqueue 12 18K 26K 78643K 2920 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 3150 0 3147 37 36 1 3 0 8 0 rtentry 112 940 0 825 4 0 4 4 0 8 0 unpcb 144 82857 0 82836 384 377 7 14 0 8 5 syncache 296 324 0 324 52 51 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 208 0 208 37 36 1 1 0 8 1 tcpcb 736 13184 0 13171 387 380 7 20 0 8 5 arp 120 176 0 156 1 0 1 1 0 8 0 ipq 40 129 0 129 18 18 0 1 0 8 0 ipqe 40 367 0 367 18 18 0 1 0 8 0 inpcb 320 28786 0 28768 405 395 10 17 0 8 8 nd6 48 263 0 236 1 0 1 1 0 8 0 kcovpl 48 80 0 72 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 3739 0 3270 34 4 30 31 0 8 0 art_table 32 3740 0 3270 4 0 4 4 0 8 0 art_node 16 939 0 834 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semapl 112 8309 0 8299 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 45114 0 43594 96 0 96 96 0 8 0 ffsino 272 45114 0 43594 102 0 102 102 0 8 0 nchpl 144 88767 0 87126 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 331676 0 331676 9 8 1 2 0 8 1 percpumem 16 112 0 72 1 0 1 1 0 8 0 kstatmem 264 166 0 144 2 0 2 2 0 8 0 scxspl 216 263506 0 263504 93 89 4 8 0 8 3 plimitpl 152 6746 0 6724 21 20 1 2 0 8 0 sigapl 424 31774 0 31719 7 0 7 7 0 8 0 futexpl 64 294406 0 294402 6 5 1 1 0 8 0 knotepl 120 1740 0 0 19 1 18 18 0 8 0 kqueuepl 216 9684 0 9676 157 152 5 8 0 8 4 pipepl 320 8226 0 8198 199 196 3 13 0 8 0 fdescpl 496 31756 0 31719 7 2 5 6 0 8 0 filepl 152 277694 0 277450 456 438 18 26 0 8 6 lockfpl 104 7005 0 7002 3 2 1 2 0 8 0 lockfspl 48 1697 0 1694 1 0 1 1 0 8 0 sessionpl 144 95 0 79 1 0 1 1 0 8 0 pgrppl 48 419 0 403 1 0 1 1 0 8 0 ucredpl 104 41338 0 41320 1 0 1 1 0 8 0 zombiepl 144 31720 0 31719 1 0 1 1 0 8 0 processpl 1064 31774 0 31719 4 0 4 4 0 8 0 procpl 672 95273 0 95190 16 8 8 9 0 8 0 sosppl 168 550 0 550 60 59 1 1 0 8 1 sockpl 488 115763 0 115717 2255 2240 15 50 0 8 8 mcl64k 65536 81 0 0 4 1 3 3 0 8 0 mcl16k 16384 33 0 0 4 1 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 63 0 0 3 1 2 2 0 8 0 mcl8k 8192 82 0 0 6 3 3 3 0 8 0 mcl4k 4096 98 0 0 9 6 3 8 0 8 1 mcl2k2 2112 15 0 0 1 0 1 1 0 8 0 mcl2k 2048 630 0 0 44 14 30 44 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 7599 0 0 415 1 414 414 0 8 0 bufpl 288 56406 0 50079 453 0 453 453 0 8 0 anonpl 24 6604215 0 6590477 302 194 108 132 0 186 0 amapchunkpl 152 622056 0 621363 343 314 29 42 0 158 0 amappl16 200 103770 0 103409 502 481 21 45 0 8 0 amappl15 192 7293 0 7286 1 0 1 1 0 8 0 amappl14 184 1639 0 1630 1 0 1 1 0 8 0 amappl13 176 8387 0 8382 1 0 1 1 0 8 0 amappl12 168 3183 0 3172 1 0 1 1 0 8 0 amappl11 160 5553 0 5538 2 1 1 2 0 8 0 amappl10 152 2436 0 2427 1 0 1 1 0 8 0 amappl9 144 1819 0 1817 1 0 1 1 0 8 0 amappl8 136 6138 0 5823 11 0 11 11 0 8 0 amappl7 128 3660 0 3633 1 0 1 1 0 8 0 amappl6 120 2024 0 2004 2 1 1 2 0 8 0 amappl5 112 27255 0 27232 1 0 1 1 0 8 0 amappl4 104 10372 0 10336 4 2 2 2 0 8 0 amappl3 96 104124 0 104046 8 6 2 3 0 8 0 amappl2 88 12209 0 12155 6 4 2 2 0 8 0 amappl1 80 791038 0 790235 27 10 17 19 0 8 0 amappl 88 190880 0 190668 6 0 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 31757 0 31720 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 31757 0 31720 1 0 1 1 0 8 0 vmmpekpl 168 261927 0 261869 4 0 4 4 0 8 0 vmmpepl 168 3172477 0 3169245 471 327 144 170 0 357 0 vmsppl 368 31756 0 31720 4 0 4 4 0 8 0 rwobjpl 56 794276 0 786523 142 29 113 116 0 8 0 pdppl 4096 63521 0 63440 902 821 81 91 0 8 0 pvpl 32 12456775 0 12437196 913 714 199 240 0 265 16 pmappl 248 31756 0 31720 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2476 0 1241 36 0 36 36 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff82914ff0) 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(ffffffff82aeb4a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82aeb4a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000296298b0,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff82aeb4a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82aeb4a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 single_thread_check_locked(ffff8000fffeed20,0,0) at single_thread_check_locked+0x216 sys/kern/kern_sig.c:2038 userret(ffff8000fffeed20) at userret+0x236 single_thread_check sys/kern/kern_sig.c:2058 [inline] userret(ffff8000fffeed20) at userret+0x236 sys/kern/kern_sig.c:2008 child_return(ffff8000fffeed20) at child_return+0x109 mi_child_return sys/sys/syscall_mi.h:163 [inline] child_return(ffff8000fffeed20) at child_return+0x109 sys/arch/amd64/amd64/trap.c:622 end trace frame: 0x0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff82914ff0) 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(ffffffff82aeb4a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82aeb4a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000296298b0,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff82aeb4a8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82aeb4a8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 single_thread_check_locked(ffff8000fffeed20,0,0) at single_thread_check_locked+0x216 sys/kern/kern_sig.c:2038 userret(ffff8000fffeed20) at userret+0x236 single_thread_check sys/kern/kern_sig.c:2058 [inline] userret(ffff8000fffeed20) at userret+0x236 sys/kern/kern_sig.c:2008 child_return(ffff8000fffeed20) at child_return+0x109 mi_child_return sys/sys/syscall_mi.h:163 [inline] child_return(ffff8000fffeed20) at child_return+0x109 sys/arch/amd64/amd64/trap.c:622 end trace frame: 0x0, count: -10 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(ffffffff8264de00) at panic+0x177 sys/kern/subr_prf.c:202 pmap_unwire(fffffd8070461108,20000000) at pmap_unwire+0x1d9 sys/arch/amd64/amd64/pmap.c:2189 uvm_fault_unwire_locked(fffffd806bbe12f0,20000000,20002000) at uvm_fault_unwire_locked+0x1fc sys/uvm/uvm_fault.c:1677 uvm_map_pageable_wire(fffffd806bbe12f0,fffffd8068132ed8,fffffd807d283360,0,0,0) at uvm_map_pageable_wire+0x5c0 sys_mlock(ffff8000fffeea80,ffff80002e518c68,ffff80002e518cb0) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 syscall(ffff80002e518d30) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e518d30) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf353793e410, count: 7 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8264de00) at panic+0x177 sys/kern/subr_prf.c:202 pmap_unwire(fffffd8070461108,20000000) at pmap_unwire+0x1d9 sys/arch/amd64/amd64/pmap.c:2189 uvm_fault_unwire_locked(fffffd806bbe12f0,20000000,20002000) at uvm_fault_unwire_locked+0x1fc sys/uvm/uvm_fault.c:1677 uvm_map_pageable_wire(fffffd806bbe12f0,fffffd8068132ed8,fffffd807d283360,0,0,0) at uvm_map_pageable_wire+0x5c0 sys_mlock(ffff8000fffeea80,ffff80002e518c68,ffff80002e518cb0) at sys_mlock+0x184 sys/uvm/uvm_mmap.c:804 syscall(ffff80002e518d30) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e518d30) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf353793e410, count: -8