panic: uvm_fault_unwire_locked: address noWt AiRnNI NmG:ap S PL StNOoTp pLeOdW aEtRED ON SYSCALL 73 541065216 EXIT 0 9 db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 323372 25764 0 0 0x4000000 0 syz-executor.2 *247372 25764 0 0 0x4000000 1K syz-executor.2 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285ff7d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80656ee268,20950000,20960000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212c1a98,20950100,10000,3,ffff80002e4f97c8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff820fd260,d00,8000,ffffffff820fd8e0,ffff80002e4f9aa8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002e4f9900) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd807575bdc0,ffff80002e4f9aa8,0,fffffd807f7d75b0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8075df7ee0,ffff80002e4f9aa8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212c1a98,3,ffff80002e4f9aa8,0,ffff80002e4f9b90) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212c1a98,ffff80002e4f9b40,ffff80002e4f9b90) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002e4f9c10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4f9c10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf206ae479b0, count: 2 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285ff7d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80656ee268,20950000,20960000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212c1a98,20950100,10000,3,ffff80002e4f97c8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff820fd260,d00,8000,ffffffff820fd8e0,ffff80002e4f9aa8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002e4f9900) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd807575bdc0,ffff80002e4f9aa8,0,fffffd807f7d75b0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8075df7ee0,ffff80002e4f9aa8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212c1a98,3,ffff80002e4f9aa8,0,ffff80002e4f9b90) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212c1a98,ffff80002e4f9b40,ffff80002e4f9b90) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002e4f9c10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4f9c10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf206ae479b0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e4f9520 rbx 0xffff800020d49ba7 rdx 0 rcx 0xffff8000212c1a98 rax 0xffff800020d48ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x335704f3d2143318 r11 0x82362840fe64b502 r12 0xffff800020d499a8 r13 0 r14 0 r15 0x1 rip 0xffffffff825b29ec db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002e4f9510 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) tid=247372 pid=25764 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002ad9faa0,0xffff8000212c12b0 process=0xffff8000212a8ca8 user=0xffff80002e4f4000, vmspace=0xfffffd80656ee268 estcpu=36, cpticks=6, pctcpu=0.6, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 24474 244716 28993 0 3 0x80 nanoslp syz-executor.3 24474 249109 28993 0 3 0x4000080 fsleep syz-executor.3 24474 462269 28993 0 3 0x4000080 fsleep syz-executor.3 24474 467976 28993 0 3 0x4000080 fsleep syz-executor.3 25764 515845 91267 0 3 0x80 nanoslp syz-executor.2 25764 323372 91267 0 7 0x4000000 syz-executor.2 *25764 247372 91267 0 7 0x4000000 syz-executor.2 25764 298461 91267 0 3 0x4000080 fsleep syz-executor.2 47552 272777 68110 0 3 0x82 piperd syz-executor.4 75738 81256 68110 0 3 0x82 piperd syz-executor.7 19476 252675 68110 0 3 0x82 piperd syz-executor.1 80846 387055 68110 0 3 0x2 biowait syz-executor.0 91806 32384 68110 0 3 0x82 piperd syz-executor.6 59143 77985 1 0 3 0x100083 ttyin getty 91267 119950 68110 0 3 0x82 nanoslp syz-executor.2 28993 402967 68110 0 3 0x82 nanoslp syz-executor.3 10022 394144 0 0 3 0x14280 nfsidl nfsio 26660 520639 0 0 3 0x14280 nfsidl nfsio 58891 243046 0 0 3 0x14280 nfsidl nfsio 15414 494527 0 0 3 0x14280 nfsidl nfsio 57832 275542 0 0 3 0x14280 nfsidl nfsio 19286 67419 0 0 3 0x14280 nfsidl nfsio 15140 245459 0 0 3 0x14280 nfsidl nfsio 50094 278334 0 0 3 0x14280 nfsidl nfsio 45290 100969 0 0 3 0x14280 nfsidl nfsio 63319 508679 0 0 3 0x14280 nfsidl nfsio 11188 443777 0 0 3 0x14280 nfsidl nfsio 76574 413484 0 0 3 0x14280 nfsidl nfsio 90440 79641 0 0 3 0x14280 nfsidl nfsio 40771 341298 0 0 3 0x14280 nfsidl nfsio 70441 41740 0 0 3 0x14280 nfsidl nfsio 83650 65090 0 0 3 0x14280 nfsidl nfsio 81294 5882 0 0 3 0x14280 nfsidl nfsio 48162 428037 0 0 3 0x14280 nfsidl nfsio 24530 459337 0 0 3 0x14280 nfsidl nfsio 36024 498987 0 0 3 0x14280 nfsidl nfsio 22591 501895 0 0 3 0x14200 bored sosplice 63288 453602 68110 0 3 0x82 piperd syz-executor.5 68110 384885 24543 0 3 0x2000082 wait syz-fuzzer 68110 470232 24543 0 3 0x6000082 nanoslp syz-fuzzer 68110 87702 24543 0 3 0x6000082 kqread syz-fuzzer 68110 244244 24543 0 3 0x6000082 thrsleep syz-fuzzer 68110 278980 24543 0 3 0x6000082 wait syz-fuzzer 68110 307321 24543 0 3 0x6000082 wait syz-fuzzer 68110 137388 24543 0 3 0x6000082 wait syz-fuzzer 68110 170887 24543 0 3 0x6000082 thrsleep syz-fuzzer 68110 112325 24543 0 3 0x6000082 thrsleep syz-fuzzer 68110 158112 24543 0 3 0x6000082 wait syz-fuzzer 68110 275819 24543 0 3 0x6000082 thrsleep syz-fuzzer 68110 105141 24543 0 3 0x6000082 thrsleep syz-fuzzer 68110 518041 24543 0 3 0x6000082 thrsleep syz-fuzzer 68110 198755 24543 0 3 0x6000082 wait syz-fuzzer 68110 9654 24543 0 3 0x6000082 wait syz-fuzzer 68110 117095 24543 0 3 0x6000082 wait syz-fuzzer 24543 210402 62189 0 3 0x10008a sigsusp ksh 62189 522731 81559 0 3 0x9a kqread sshd 81559 200321 1 0 3 0x88 kqread sshd 77038 206955 18956 74 3 0x1100092 bpf pflogd 18956 259280 1 0 3 0x80 netio pflogd 66456 126077 68234 73 3 0x1100090 kqread syslogd 68234 466176 1 0 3 0x100082 netio syslogd 74501 396611 1 0 3 0x100080 kqread resolvd 54661 3890 91678 77 3 0x100092 kqread dhcpleased 49076 199746 91678 77 3 0x100092 kqread dhcpleased 91678 258357 1 0 3 0x80 kqread dhcpleased 50327 378015 0 0 3 0x14200 bored smr 37460 498918 0 0 2 0x14200 zerothread 6041 374734 0 0 3 0x14200 aiodoned aiodoned 92694 521040 0 0 3 0x14200 syncer update 14779 117004 0 0 3 0x14200 cleaner cleaner 64228 375010 0 0 3 0x14200 reaper reaper 64747 491030 0 0 3 0x14200 pgdaemon pagedaemon 15882 234522 0 0 3 0x14200 bored viomb 81158 281502 0 0 3 0x40014200 acpi0 acpi0 73113 271093 0 0 3 0x40014200 idle1 42301 323968 0 0 3 0x14200 bored softnet3 52464 263946 0 0 3 0x14200 bored softnet2 39769 143127 0 0 3 0x14200 bored softnet1 43596 18688 0 0 3 0x14200 bored softnet0 84544 40407 0 0 3 0x14200 bored systqmp 26461 351918 0 0 3 0x14200 bored systq 3461 237981 0 0 3 0x14200 tmoslp softclockmp 19059 397138 0 0 3 0x40014200 tmoslp softclock 57264 90929 0 0 3 0x40014200 idle0 1 302439 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex anonpl r = 0 (0xffffffff82d00718) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pool_put+0x84 sys/kern/subr_pool.c:797 #4 amap_wipeout+0x1c1 sys/uvm/uvm_amap.c:504 #5 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 #6 sys_munmap+0x22e sys/uvm/uvm_mmap.c:539 #7 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #7 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #8 Xsyscall+0x128 Process 25764 (syz-executor.2) thread 0xffff80002ad9faa0 (323372) exclusive kernel: protection fault trap, code=0 Faulted in DDB; continuing... ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10249 6695K 7767K 78643K 34324 0 pcb 13 16K 18K 78643K 494 0 rtable 243 7K 7K 78643K 5814 0 pf 35 10K 10K 78643K 1130 0 ifaddr 46 19K 21K 78643K 511 0 ifgroup 60 2K 2K 78643K 1854 0 sysctl 3 0K 4K 78643K 10 0 counters 62 36K 36K 78643K 836 0 ioctlops 0 0K 4K 78643K 1821 0 iov 0 0K 24K 78643K 5235 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1548 97K 97K 78643K 9032 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 9K 78643K 194 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 234 0 dirhash 12 2K 2K 78643K 27 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 85K 78643K 12062 0 sigio 0 0K 0K 78643K 614 0 proc 73 91K 115K 78643K 1546 0 subproc 104 6K 6K 78643K 390 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 455 0 in_multi 99 7K 7K 78643K 410 0 ether_multi 1 0K 0K 78643K 17 0 mrt 1 0K 0K 78643K 16 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 271 1208K 1208K 78643K 271 0 exec 0 0K 1K 78643K 1658 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 447 357K 360K 78643K 120288 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 286 0 NDP 13 0K 1K 78643K 460 0 temp 75 5924K 6564K 78643K 105111 0 kqueue 12 18K 38K 78643K 1753 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 5059 0 5056 47 43 4 4 0 8 3 rtentry 112 386 0 273 4 0 4 4 0 8 0 unpcb 144 7249 0 7234 101 95 6 10 0 8 5 syncache 304 76 0 76 18 18 0 1 0 8 0 tcpqe 32 234 0 234 16 16 0 1 0 8 0 tcpcb 808 2025 0 2017 81 73 8 12 0 8 7 arp 120 64 0 46 1 0 1 1 0 8 0 inpcb 368 4351 0 4340 116 108 8 14 0 8 6 nd6 136 102 0 75 2 1 1 2 0 8 0 pkpcb 40 8 0 8 2 2 0 1 0 8 0 kcovpl 48 30 0 22 1 0 1 1 0 8 0 ppxss 1256 32 0 32 11 11 0 1 0 8 0 pffrag 232 97 0 96 9 8 1 1 0 482 0 pffrnode 88 97 0 96 9 8 1 1 0 8 0 pffrent 40 359 0 358 9 8 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 pfstitem 24 249 0 241 1 0 1 1 0 8 0 pfstkey 128 249 0 241 1 0 1 1 0 8 0 pfstate 376 249 0 241 9 7 2 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1516 0 1046 37 7 30 31 0 8 0 art_table 32 1517 0 1046 4 0 4 4 0 8 0 art_node 16 366 0 263 1 0 1 1 0 8 0 sysvmsgpl 40 37 0 1 1 0 1 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 213 0 203 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 18932 0 17414 96 0 96 96 0 8 0 ffsino 272 18932 0 17414 103 1 102 102 0 8 0 nchpl 144 37801 0 36159 64 1 63 64 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 130121 0 130120 7 6 1 2 0 8 0 percpumem 16 431 0 387 1 0 1 1 0 8 0 vcpupl 2048 145 0 0 19 0 19 19 0 8 0 vmpool 696 145 0 0 14 0 14 14 0 8 0 kstatmem 264 800 0 774 3 1 2 3 0 8 0 scxspl 216 95137 0 95136 16 14 2 8 1 8 1 plimitpl 152 998 0 982 1 0 1 1 0 8 0 sigapl 424 12427 0 12363 10 2 8 9 0 8 0 futexpl 64 128872 0 128868 5 4 1 1 0 8 0 knotepl 120 1008 0 0 13 1 12 12 0 8 0 kqueuepl 216 14162 0 14153 165 160 5 10 0 8 4 pipepl 320 2007 0 1979 58 55 3 14 0 8 0 fdescpl 496 12328 0 12303 5 0 5 5 0 8 0 filepl 152 97397 0 97155 244 228 16 24 0 8 5 lockfpl 104 5605 0 5602 12 10 2 2 0 8 1 lockfspl 48 2579 0 2576 1 0 1 1 0 8 0 sessionpl 144 48 0 31 1 0 1 1 0 8 0 pgrppl 48 285 0 268 1 0 1 1 0 8 0 ucredpl 104 11317 0 11297 1 0 1 1 0 8 0 zombiepl 144 12363 0 12363 1 0 1 1 0 8 1 processpl 1072 12427 0 12363 5 0 5 5 0 8 0 procpl 680 33503 0 33418 11 2 9 10 0 8 0 sosppl 168 65 0 65 9 9 0 1 0 8 0 sockpl 488 16713 0 16684 452 439 13 34 0 8 8 mcl64k 65536 33 0 0 3 0 3 3 0 8 0 mcl16k 16384 25 0 0 4 1 3 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 33 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 49 0 0 5 2 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 426 0 0 38 14 24 38 0 8 0 mtagpl 96 1301 0 0 25 1 24 24 0 8 0 mbufpl 256 2025 0 0 74 0 74 74 0 8 0 bufpl 288 20382 0 14059 452 0 452 452 0 8 0 anonpl 24 1212976 0 1197900 178 77 101 111 0 186 0 amapchunkpl 152 377918 0 377099 98 59 39 47 0 158 2 amappl16 200 24671 0 24194 90 60 30 35 0 8 2 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 269 0 253 2 1 1 2 0 8 0 amappl13 176 18 0 17 2 1 1 1 0 8 0 amappl12 168 13338 0 13305 4 2 2 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 55 0 43 1 0 1 1 0 8 0 amappl9 144 246 0 246 30 30 0 1 0 8 0 amappl8 136 558 0 437 5 0 5 5 0 8 0 amappl7 128 377 0 349 2 0 2 2 0 8 0 amappl6 120 697 0 680 1 0 1 1 0 8 0 amappl5 112 300 0 288 1 0 1 1 0 8 0 amappl4 104 746 0 715 2 1 1 2 0 8 0 amappl3 96 74298 0 74211 10 7 3 4 0 8 0 amappl2 88 14977 0 14902 3 1 2 3 0 8 0 amappl1 80 52012 0 51472 24 11 13 23 0 8 0 amappl 88 119141 0 118902 8 1 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 12473 0 12303 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 12473 0 12303 2 0 2 2 0 8 0 vmmpekpl 168 89608 0 89513 5 0 5 5 0 8 0 vmmpepl 168 732943 0 730513 305 179 126 157 0 357 0 vmsppl 464 12472 0 12303 22 0 22 22 0 8 0 rwobjpl 56 183961 0 176262 119 7 112 112 0 8 0 pdppl 4096 24954 0 24751 1217 1002 215 215 0 8 12 pvpl 32 3413623 0 3392912 460 276 184 344 0 265 0 pmappl 248 12472 0 12303 11 0 11 11 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2285 0 1230 32 1 31 31 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82c45ff0) at x86_ipi_db+0x1e 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+0x27 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0xf20f03d0cf0, count: 10 ddb{0}> trace x86_ipi_db(ffffffff82c45ff0) at x86_ipi_db+0x1e 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+0x27 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0xf20f03d0cf0, count: -5 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285ff7d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80656ee268,20950000,20960000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212c1a98,20950100,10000,3,ffff80002e4f97c8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff820fd260,d00,8000,ffffffff820fd8e0,ffff80002e4f9aa8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002e4f9900) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd807575bdc0,ffff80002e4f9aa8,0,fffffd807f7d75b0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8075df7ee0,ffff80002e4f9aa8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212c1a98,3,ffff80002e4f9aa8,0,ffff80002e4f9b90) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212c1a98,ffff80002e4f9b40,ffff80002e4f9b90) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002e4f9c10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4f9c10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf206ae479b0, count: 2 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff8285ff7d) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80656ee268,20950000,20960000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 uvm_fault_unwire sys/uvm/uvm_fault.c:1623 [inline] uvm_fault_wire(fffffd80656ee268,20950000,20961000,3) at uvm_fault_wire+0xd7 sys/uvm/uvm_fault.c:1605 uvm_vslock_device(ffff8000212c1a98,20950100,10000,3,ffff80002e4f97c8) at uvm_vslock_device+0xe9 sys/uvm/uvm_glue.c:170 physio(ffffffff820fd260,d00,8000,ffffffff820fd8e0,ffff80002e4f9aa8) at physio+0x22c sys/kern/kern_physio.c:140 spec_read(ffff80002e4f9900) at spec_read+0xfa sys/kern/spec_vnops.c:215 VOP_READ(fffffd807575bdc0,ffff80002e4f9aa8,0,fffffd807f7d75b0) at VOP_READ+0xc3 sys/kern/vfs_vops.c:227 vn_read(fffffd8075df7ee0,ffff80002e4f9aa8,0) at vn_read+0x12a sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000212c1a98,3,ffff80002e4f9aa8,0,ffff80002e4f9b90) at dofilereadv+0x1a2 sys/kern/sys_generic.c:247 sys_read(ffff8000212c1a98,ffff80002e4f9b40,ffff80002e4f9b90) at sys_read+0x87 sys/kern/sys_generic.c:167 syscall(ffff80002e4f9c10) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002e4f9c10) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf206ae479b0, count: -13