panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 144 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *269524 36120 0 0x2 0 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82582764) at panic+0x161 sys/kern/subr_prf.c:198 __assert(ffffffff825f38a7,ffffffff825a3ba1,90,ffffffff82557455) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd807b154cf8,6c000,0,3) at uvm_pagealloc+0x1e8 sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807b154cc8,1b2d421000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1191 pmap_enter(fffffd807b154cc8,1b2d421000,685cd000,3,20) at pmap_enter+0x299 sys/arch/amd64/amd64/pmap.c:2705 uvm_fault_lower_lookup(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150) at uvm_fault_lower_lookup+0x263 sys/uvm/uvm_fault.c:1193 uvm_fault_lower(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150,0) at uvm_fault_lower+0x5f sys/uvm/uvm_fault.c:1228 uvm_fault(fffffd807d8fbdd0,1b2d420000,0,1) at uvm_fault+0x20d upageflttrap(ffff8000217dd340,1b2d420000) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff8000217dd340) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:417 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc1250, 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 144 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82582764) at panic+0x161 sys/kern/subr_prf.c:198 __assert(ffffffff825f38a7,ffffffff825a3ba1,90,ffffffff82557455) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd807b154cf8,6c000,0,3) at uvm_pagealloc+0x1e8 sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807b154cc8,1b2d421000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1191 pmap_enter(fffffd807b154cc8,1b2d421000,685cd000,3,20) at pmap_enter+0x299 sys/arch/amd64/amd64/pmap.c:2705 uvm_fault_lower_lookup(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150) at uvm_fault_lower_lookup+0x263 sys/uvm/uvm_fault.c:1193 uvm_fault_lower(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150,0) at uvm_fault_lower+0x5f sys/uvm/uvm_fault.c:1228 uvm_fault(fffffd807d8fbdd0,1b2d420000,0,1) at uvm_fault+0x20d upageflttrap(ffff8000217dd340,1b2d420000) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff8000217dd340) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:417 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc1250, count: -13 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff8000217dcc40 rbx 0 rdx 0 rcx 0 rax 0xffff80002e8e47e8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x50c7052a386f94c9 r11 0x4673bf3297a8cbc0 r12 0 r13 0x6c000 acpi_pdirpa+0x57e63 r14 0 r15 0x1 rip 0xffffffff824dd3a8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000217dcc30 ss 0 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=269524 stat=onproc flags process=2 proc=0 pri=32, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff8000217e7a50,0xffff8000217c0010 process=0xffff800029a72fd0 user=0xffff8000217d8000, vmspace=0xfffffd807d8fbdd0 estcpu=34, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 27538 146607 36120 0 2 0 syz-executor.0 27538 298400 36120 0 2 0x4000000 syz-executor.0 88891 400209 69272 0 2 0 syz-executor.5 88891 474357 69272 0 3 0x4000080 fsleep syz-executor.5 21125 484273 51615 60928 2 0x10 syz-executor.7 21125 144820 51615 60928 3 0x4000090 fsleep syz-executor.7 81503 494562 21862 0 3 0x80 nanoslp syz-executor.3 81503 42041 21862 0 3 0x4000080 kqread syz-executor.3 81503 68165 21862 0 3 0x4000080 fsleep syz-executor.3 87330 439948 31288 0 2 0x480 syz-executor.1 87330 353366 31288 0 3 0x4000080 fsleep syz-executor.1 87330 108846 31288 0 3 0x4000080 fsleep syz-executor.1 87330 188871 31288 0 3 0x4000080 fsleep syz-executor.1 *36120 269524 32699 0 7 0x2 syz-executor.0 31288 484757 32699 0 3 0x82 nanoslp syz-executor.1 21862 18285 32699 0 3 0x82 nanoslp syz-executor.3 56838 325504 0 0 3 0x14280 nfsidl nfsio 43509 81761 0 0 3 0x14280 nfsidl nfsio 76184 373925 0 0 3 0x14280 nfsidl nfsio 40426 44016 0 0 3 0x14280 nfsidl nfsio 4978 313551 0 0 3 0x14280 nfsidl nfsio 90516 37765 0 0 3 0x14280 nfsidl nfsio 23260 487228 0 0 3 0x14280 nfsidl nfsio 70655 148430 0 0 3 0x14280 nfsidl nfsio 23195 500793 0 0 3 0x14280 nfsidl nfsio 86350 407364 0 0 3 0x14280 nfsidl nfsio 82772 16318 0 0 3 0x14280 nfsidl nfsio 19132 199660 0 0 3 0x14280 nfsidl nfsio 58736 94623 0 0 3 0x14280 nfsidl nfsio 71437 27412 0 0 3 0x14280 nfsidl nfsio 23773 150928 0 0 3 0x14280 nfsidl nfsio 73409 237700 0 0 3 0x14280 nfsidl nfsio 3075 111368 0 0 3 0x14280 nfsidl nfsio 1719 60244 0 0 3 0x14280 nfsidl nfsio 75588 408148 0 0 3 0x14280 nfsidl nfsio 63909 49689 0 0 3 0x14280 nfsidl nfsio 21596 309306 32699 0 3 0x82 nanoslp syz-executor.4 51615 204490 32699 0 3 0x82 nanoslp syz-executor.7 69272 412107 32699 0 3 0x82 nanoslp syz-executor.5 39787 183397 32699 0 3 0x82 nanoslp syz-executor.6 2665 191875 0 0 3 0x14200 acct acct 16694 125261 0 0 3 0x14200 bored sosplice 50176 92816 32699 0 3 0x82 nanoslp syz-executor.2 32699 330852 80711 0 3 0x82 thrsleep syz-fuzzer 32699 100646 80711 0 3 0x4000082 thrsleep syz-fuzzer 32699 91646 80711 0 3 0x4000082 wait syz-fuzzer 32699 388436 80711 0 3 0x4000082 wait syz-fuzzer 32699 229711 80711 0 3 0x4000082 thrsleep syz-fuzzer 32699 304606 80711 0 3 0x4000082 kqread syz-fuzzer 32699 404638 80711 0 3 0x4000082 thrsleep syz-fuzzer 32699 285709 80711 0 3 0x4000082 thrsleep syz-fuzzer 32699 83800 80711 0 3 0x4000082 wait syz-fuzzer 32699 181323 80711 0 3 0x4000082 wait syz-fuzzer 32699 364827 80711 0 3 0x4000082 wait syz-fuzzer 32699 486914 80711 0 3 0x4000082 wait syz-fuzzer 32699 397306 80711 0 3 0x4000082 wait syz-fuzzer 32699 259145 80711 0 3 0x4000082 wait syz-fuzzer 80711 514801 7492 0 3 0x10008a sigsusp ksh 7492 395452 32940 0 3 0x9a kqread sshd 87459 226981 1 0 3 0x100083 ttyin getty 32940 469525 1 0 3 0x88 kqread sshd 98682 421637 71831 73 3 0x1100090 kqread syslogd 71831 179303 1 0 3 0x100082 netio syslogd 12319 346026 1 0 3 0x100080 kqread resolvd 31520 166465 96964 77 3 0x100092 kqread dhcpleased 21173 411789 96964 77 3 0x100092 kqread dhcpleased 96964 377744 1 0 3 0x80 kqread dhcpleased 86728 253093 0 0 3 0x14200 bored smr 36554 276906 0 0 2 0x14200 zerothread 48471 37167 0 0 3 0x14200 aiodoned aiodoned 40938 135668 0 0 3 0x14200 syncer update 93859 165966 0 0 3 0x14200 cleaner cleaner 71446 13560 0 0 3 0x14200 reaper reaper 85344 70698 0 0 3 0x14200 pgdaemon pagedaemon 22322 386771 0 0 3 0x14200 bored viomb 77955 189650 0 0 3 0x40014200 acpi0 acpi0 54260 5523 0 0 3 0x14200 bored softnet 25850 154041 0 0 3 0x14200 bored softnet 88368 35578 0 0 3 0x14200 bored softnet 19844 396428 0 0 3 0x14200 bored softnet 3651 29830 0 0 3 0x14200 bored systqmp 47839 379574 0 0 3 0x14200 bored systq 19860 260360 0 0 3 0x40014200 bored softclock 47188 435387 0 0 3 0x40014200 idle0 1 79995 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10184 6411K 7404K 78643K 18369 0 pcb 13 17K 22K 78643K 1005 0 rtable 164 8K 10K 78643K 1304 0 ifaddr 70 17K 20K 78643K 450 0 sysctl 3 1K 1K 78643K 3 0 counters 26 17K 17K 78643K 121 0 ioctlops 0 0K 4K 78643K 328 0 iov 0 0K 32K 78643K 713 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1458 91K 91K 78643K 5144 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 60 0 VM map 2 0K 0K 78643K 2 0 sem 15 10K 20K 78643K 864 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 77K 78643K 3559 0 sigio 0 0K 0K 78643K 213 0 proc 64 59K 83K 78643K 1452 0 subproc 104 6K 6K 78643K 455 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 185 0 in_multi 66 4K 6K 78643K 482 0 ether_multi 1 0K 0K 78643K 18 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 79 360K 360K 78643K 79 0 exec 0 0K 1K 78643K 1222 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 375 458K 458K 78643K 24254 0 UVM aobj 44 2K 2K 78643K 44 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 89 0 NDP 11 0K 1K 78643K 166 0 temp 124 4694K 70230K 78643K 69295 0 kqueue 13 20K 26K 78643K 384 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 259 0 255 3 2 1 2 0 8 0 rtentry 112 448 0 378 4 0 4 4 0 8 0 unpcb 144 5325 0 5299 60 59 1 9 0 8 0 syncache 296 47 0 47 10 9 1 1 0 8 1 tcpqe 32 105 0 105 6 5 1 1 0 8 1 tcpcb 776 1704 0 1700 76 68 8 14 0 8 7 arp 88 73 0 61 1 0 1 1 0 8 0 inpcb 336 4686 0 4677 88 81 7 13 0 8 6 nd6 48 112 0 97 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 kcovpl 48 35 0 27 1 0 1 1 0 8 0 mppekey 1024 7 0 7 2 2 0 1 0 8 0 ppxss 1160 30 0 30 7 6 1 1 0 8 1 pppxif 1352 8 0 8 3 3 0 1 0 8 0 pfstscr 40 21 0 15 2 1 1 1 0 8 0 pfanchor 1280 432 0 203 24 4 20 22 0 8 0 pfstitem 24 12 0 0 1 0 1 1 0 8 0 pfstkey 120 42 0 35 2 1 1 1 0 8 0 pfstate 352 21 0 15 2 1 1 1 0 8 0 rttmr 136 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 4 0 3 4 3 1 3 0 8 0 art_heap4 256 1951 0 1632 39 14 25 31 0 8 1 art_table 32 1955 0 1635 5 1 4 4 0 8 0 art_node 16 447 0 387 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semupl 112 4 0 4 2 1 1 1 0 8 1 semapl 112 852 0 839 1 0 1 1 0 8 0 shmpl 112 41 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 6087 0 4654 90 0 90 90 0 8 0 ffsino 240 6087 0 4654 85 0 85 85 0 8 0 nchpl 144 10870 0 9228 63 1 62 63 0 8 0 rtmask 32 3 0 3 1 1 0 1 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 47863 0 47863 8 7 1 2 0 8 1 vcpupl 2048 59 0 1 8 0 8 8 0 8 0 vmpool 536 74 0 16 4 0 4 4 0 8 0 kstatmem 264 184 0 162 2 0 2 2 0 8 0 scxspl 216 43262 0 43262 22 20 2 8 0 8 2 plimitpl 152 774 0 759 1 0 1 1 0 8 0 sigapl 424 3855 0 3788 8 0 8 8 0 8 0 futexpl 64 36846 0 36840 7 6 1 1 0 8 0 knotepl 120 87177 0 87096 50 45 5 11 0 8 1 kqueuepl 184 1063 0 1053 15 14 1 4 0 8 0 pipepl 288 1098 0 1070 25 22 3 7 0 8 0 fdescpl 432 3776 0 3750 7 3 4 4 0 8 0 filepl 120 35079 0 34827 81 69 12 18 0 8 4 lockfpl 104 1117 0 1114 5 4 1 2 0 8 0 lockfspl 48 270 0 267 1 0 1 1 0 8 0 sessionpl 144 50 0 34 1 0 1 1 0 8 0 pgrppl 48 62 0 46 1 0 1 1 0 8 0 ucredpl 104 3269 0 3257 1 0 1 1 0 8 0 zombiepl 144 3791 0 3788 1 0 1 1 0 8 0 processpl 1008 3855 0 3788 10 1 9 9 0 8 0 procpl 672 9102 0 9014 19 10 9 9 0 8 0 sosppl 168 65 0 65 10 9 1 1 0 8 1 sockpl 456 10278 0 10239 329 318 11 35 0 8 6 mcl64k 65536 126 0 126 15 14 1 1 0 8 1 mcl16k 16384 47 0 47 12 11 1 1 0 8 1 mcl12k 12288 125 0 125 13 12 1 1 0 8 1 mcl9k 9216 36 0 36 12 11 1 1 0 8 1 mcl8k 8192 191 0 191 15 14 1 1 0 8 1 mcl4k 4096 472 0 472 12 11 1 1 0 8 1 mcl2k2 2112 29 0 29 9 9 0 1 0 8 0 mcl2k 2048 81505 0 81404 55 34 21 30 0 8 6 mtagpl 96 810 0 492 12 4 8 10 0 8 0 mbufpl 256 169815 0 169274 192 142 50 89 0 8 8 bufpl 288 11738 0 5336 458 0 458 458 0 8 0 anonpl 24 831805 0 813945 227 94 133 175 0 188 14 amapchunkpl 152 80460 0 79716 121 83 38 54 0 158 5 amappl16 200 8909 0 8325 70 26 44 44 0 8 13 amappl15 192 11 0 10 2 1 1 1 0 8 0 amappl14 184 273 0 257 2 1 1 2 0 8 0 amappl13 176 15 0 13 1 0 1 1 0 8 0 amappl12 168 726 0 723 1 0 1 1 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 57 0 48 1 0 1 1 0 8 0 amappl9 144 963 0 962 2 1 1 1 0 8 0 amappl8 136 266 0 203 3 0 3 3 0 8 0 amappl7 128 197 0 171 2 1 1 2 0 8 0 amappl6 120 282 0 273 1 0 1 1 0 8 0 amappl5 112 274 0 268 1 0 1 1 0 8 0 amappl4 104 779 0 753 2 1 1 2 0 8 0 amappl3 96 10154 0 10103 3 1 2 2 0 8 0 amappl2 88 4390 0 4321 3 1 2 3 0 8 0 amappl1 80 86613 0 85898 26 10 16 22 0 8 0 amappl 88 23356 0 23153 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 43 0 0 1 0 1 1 0 8 0 uaddrrnd 24 3850 0 3766 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3850 0 3766 1 0 1 1 0 8 0 vmmpekpl 168 33463 0 33385 4 0 4 4 0 8 0 vmmpepl 168 363271 0 360520 248 107 141 153 0 357 10 vmsppl 272 3849 0 3766 7 1 6 6 0 8 0 rwobjpl 24 99010 0 91325 48 0 48 48 0 8 0 pdppl 4096 7706 0 7590 470 347 123 123 0 8 7 pvpl 32 1684911 0 1662120 430 197 233 309 0 265 33 pmappl 216 3849 0 3766 5 0 5 5 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1591 0 705 27 0 27 27 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82582764) at panic+0x161 sys/kern/subr_prf.c:198 __assert(ffffffff825f38a7,ffffffff825a3ba1,90,ffffffff82557455) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd807b154cf8,6c000,0,3) at uvm_pagealloc+0x1e8 sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807b154cc8,1b2d421000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1191 pmap_enter(fffffd807b154cc8,1b2d421000,685cd000,3,20) at pmap_enter+0x299 sys/arch/amd64/amd64/pmap.c:2705 uvm_fault_lower_lookup(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150) at uvm_fault_lower_lookup+0x263 sys/uvm/uvm_fault.c:1193 uvm_fault_lower(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150,0) at uvm_fault_lower+0x5f sys/uvm/uvm_fault.c:1228 uvm_fault(fffffd807d8fbdd0,1b2d420000,0,1) at uvm_fault+0x20d upageflttrap(ffff8000217dd340,1b2d420000) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff8000217dd340) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:417 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc1250, count: -13 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82582764) at panic+0x161 sys/kern/subr_prf.c:198 __assert(ffffffff825f38a7,ffffffff825a3ba1,90,ffffffff82557455) at __assert+0x25 sys/kern/subr_prf.c:157 uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline] uvm_pagealloc_pg(fffffd8005ae3c00,fffffd807b154cf8,6c000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709 uvm_pagealloc(fffffd807b154cf8,6c000,0,3) at uvm_pagealloc+0x1e8 sys/uvm/uvm_page.c:917 pmap_get_ptp(fffffd807b154cc8,1b2d421000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1191 pmap_enter(fffffd807b154cc8,1b2d421000,685cd000,3,20) at pmap_enter+0x299 sys/arch/amd64/amd64/pmap.c:2705 uvm_fault_lower_lookup(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150) at uvm_fault_lower_lookup+0x263 sys/uvm/uvm_fault.c:1193 uvm_fault_lower(ffff8000217dd1d0,ffff8000217dd208,ffff8000217dd150,0) at uvm_fault_lower+0x5f sys/uvm/uvm_fault.c:1228 uvm_fault(fffffd807d8fbdd0,1b2d420000,0,1) at uvm_fault+0x20d upageflttrap(ffff8000217dd340,1b2d420000) at upageflttrap+0x79 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff8000217dd340) at usertrap+0x198 sys/arch/amd64/amd64/trap.c:417 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7ffffc1250, count: -13