panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *206738 8800 0 0 0x4000000 1K syz-executor 79437 8800 0 0 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e48e7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c015d78,200000390000,20000039b000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff8000333f0558,200000390040,10000,3,ffff80002efd3c28) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff818c90f0,d02,8000,ffffffff818c9940,ffff80002efd3f08) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80002efd3d60) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd806d2e77f8,ffff80002efd3f08,0,fffffd80097fb7b8) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd80672fc190,ffff80002efd3f08,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000333f0558,7,ffff80002efd3f08,1,ffff80002efd3fc0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff8000333f0558,ffff80002efd4070,ffff80002efd3fc0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80002efd4070) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efd4070) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64fea4096a0, 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+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e48e7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c015d78,200000390000,20000039b000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff8000333f0558,200000390040,10000,3,ffff80002efd3c28) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff818c90f0,d02,8000,ffffffff818c9940,ffff80002efd3f08) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80002efd3d60) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd806d2e77f8,ffff80002efd3f08,0,fffffd80097fb7b8) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd80672fc190,ffff80002efd3f08,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000333f0558,7,ffff80002efd3f08,1,ffff80002efd3fc0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff8000333f0558,ffff80002efd4070,ffff80002efd3fc0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80002efd4070) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efd4070) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64fea4096a0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002efd3970 rbx 0xffff8000299eee07 rdx 0 rcx 0xffff8000333f0558 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x27f427f3b4a25233 r11 0xcd052286daba9038 r12 0xffff8000299eec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82c38fe5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002efd3960 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=206738 pid=8800 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=81, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000333f07f0,0xffff8000333f0038 process=0xffff80003c4244f0 user=0xffff80002efcf000, vmspace=0xfffffd806c015d78 estcpu=31, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 74753 425562 34514 0 2 0 syz-executor 74753 295787 34514 0 3 0x4000080 fsleep syz-executor 8800 456355 86961 0 2 0 syz-executor * 8800 206738 86961 0 7 0x4000000 syz-executor 8800 135046 86961 0 2 0x4000000 syz-executor 8800 79437 86961 0 7 0x4000000 syz-executor 64870 227198 24927 0 2 0 syz-executor 64870 95097 24927 0 3 0x4000080 fsleep syz-executor 37315 207718 57139 0 2 0 syz-executor 37315 239059 57139 0 3 0x4000080 fsleep syz-executor 37315 113777 57139 0 2 0x4000000 syz-executor 1306 93666 67267 0 2 0 syz-executor 1306 384530 67267 0 3 0x4000080 fsleep syz-executor 1306 35116 67267 0 3 0x4000080 fsleep syz-executor 42893 299932 44623 0 2 0 syz-executor 42893 180545 44623 0 3 0x4000080 ttyout syz-executor 81031 216136 75972 0 3 0x80 nanoslp syz-executor 81031 189296 75972 0 3 0x4000080 kqsel syz-executor 81031 279739 75972 0 3 0x4000080 fsleep syz-executor 87093 151357 0 0 3 0x14200 acct acct 34514 303542 57344 0 3 0x82 nanoslp syz-executor 63804 40053 0 0 3 0x14280 nfsidl nfsio 33776 418014 0 0 3 0x14280 nfsidl nfsio 27125 379669 0 0 3 0x14280 nfsidl nfsio 2803 489788 0 0 3 0x14280 nfsidl nfsio 28272 309752 0 0 3 0x14280 nfsidl nfsio 40717 444515 0 0 3 0x14280 nfsidl nfsio 42430 521238 0 0 3 0x14280 nfsidl nfsio 9126 138858 0 0 3 0x14280 nfsidl nfsio 21587 313690 0 0 3 0x14280 nfsidl nfsio 36688 497432 0 0 3 0x14280 nfsidl nfsio 8369 144961 0 0 3 0x14280 nfsidl nfsio 21695 158052 0 0 3 0x14280 nfsidl nfsio 27050 95233 0 0 3 0x14280 nfsidl nfsio 143 101089 0 0 3 0x14280 nfsidl nfsio 64298 335000 0 0 3 0x14280 nfsidl nfsio 34139 309354 0 0 3 0x14280 nfsidl nfsio 40701 433933 0 0 3 0x14280 nfsidl nfsio 33898 367141 0 0 3 0x14280 nfsidl nfsio 24402 221276 0 0 3 0x14280 nfsidl nfsio 48874 165015 0 0 3 0x14280 nfsidl nfsio 86658 89582 1 0 3 0x100083 ttyin getty 57139 164587 57344 0 2 0xc82 syz-executor 75972 258620 57344 0 2 0xc82 syz-executor 86961 494899 57344 0 3 0x82 nanoslp syz-executor 56469 207664 57344 0 3 0x82 wait syz-executor 67267 4203 57344 0 2 0xc82 syz-executor 44623 189514 57344 0 3 0x82 nanoslp syz-executor 24927 242988 57344 0 2 0xc82 syz-executor 57344 489322 86600 0 3 0x82 kqread syz-executor 86600 448205 56 0 3 0x10008a sigsusp ksh 56 115440 65058 0 3 0x98 kqread sshd-session 65058 493443 14685 0 3 0x92 kqread sshd-session 14685 241276 1 0 3 0x88 kqread sshd 91641 52065 35051 74 3 0x1100092 bpf pflogd 35051 100432 1 0 3 0x80 sbwait pflogd 36320 214237 29972 73 3 0x1100090 kqread syslogd 29972 172267 1 0 3 0x100082 sbwait syslogd 27374 186782 1 0 3 0x100080 kqread resolvd 11432 216655 28110 77 3 0x100092 kqread dhcpleased 10648 333809 28110 77 3 0x100092 kqread dhcpleased 28110 273059 1 0 3 0x80 kqread dhcpleased 13938 81541 0 0 3 0x14200 bored smr 56674 293671 0 0 2 0x14200 zerothread 88705 257727 0 0 3 0x14200 aiodoned aiodoned 70356 482271 0 0 3 0x14200 syncer update 48804 144071 0 0 3 0x14200 cleaner cleaner 78154 456167 0 0 3 0x14200 reaper reaper 79082 13703 0 0 3 0x14200 pgdaemon pagedaemon 44720 356328 0 0 3 0x14200 bored viomb 12470 4331 0 0 3 0x40014200 acpi0 acpi0 91578 399753 0 0 3 0x40014200 idle1 71076 278694 0 0 3 0x14200 bored softnet1 59680 223842 0 0 3 0x14200 bored softnet0 58657 91511 0 0 3 0x14200 bored systqmp 79620 482984 0 0 3 0x14200 bored systq 19131 73638 0 0 3 0x14200 tmoslp softclockmp 37122 399263 0 0 3 0x40014200 tmoslp softclock 8857 16980 0 0 3 0x40014200 idle0 1 250943 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839b6340) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #4 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 #5 amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1039 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #11 Xsyscall+0x128 Process 8800 (syz-executor) thread 0xffff8000333f0558 (206738) Process 8800 (syz-executor) thread 0xffff8000333f1250 (79437) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11063 12081K 12227K 166960K 12680 0 pcb 19 15K 16K 166960K 287 0 rtable 231 11K 12K 166960K 650 0 pf 39 18K 22K 166960K 133 0 ifaddr 40 7K 8K 166960K 89 0 ifgroup 51 2K 2K 166960K 137 0 sysctl 4 1K 9K 166960K 10 0 counters 66 36K 37K 166960K 160 0 ioctlops 0 0K 4K 166960K 1624 0 iov 0 0K 20K 166960K 47 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1373 86K 87K 166960K 1797 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 38 0 dirhash 12 2K 3K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 236K 166960K 758 0 sigio 0 0K 0K 166960K 13 0 proc 72 115K 180K 166960K 615 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 68 0 in_multi 90 6K 7K 166960K 138 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 460 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 176K 190K 166960K 8608 0 UVM aobj 17 2K 4K 166960K 21 0 pinsyscall 43 86K 104K 166960K 1952 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 34 0 NDP 11 0K 2K 166960K 60 0 temp 62 8656K 8728K 166960K 22174 0 kqueue 16 21K 32K 166960K 171 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 81 0 78 1 0 1 1 0 8 0 rtentry 176 204 0 112 6 0 6 6 0 8 0 unpcb 144 484 0 467 6 0 6 6 0 8 5 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 278 0 273 8 6 2 7 0 8 1 arp 136 22 0 6 1 0 1 1 0 8 0 inpcb 328 961 0 948 15 11 4 12 0 8 2 nd6 152 31 0 6 2 0 2 2 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 38 0 38 2 1 1 1 0 8 1 pppxif 1504 3 0 3 2 1 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 69 0 66 1 0 1 1 0 8 0 pfosfp 40 1432 0 1007 5 0 5 5 0 8 0 pfosfpen 112 1432 0 715 21 0 21 21 0 8 0 pfrktable 1344 3 0 1 1 0 1 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 63 0 2 1 0 1 1 0 8 0 pfstkey 128 67 0 6 3 0 3 3 0 8 0 pfstate 384 64 0 4 7 0 7 7 0 8 0 pfrule 1344 23 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 609 0 199 32 3 29 31 0 8 2 art_table 40 611 0 199 5 0 5 5 0 8 0 art_node 32 138 0 56 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 17 0 3 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2757 0 1250 96 0 96 96 0 8 0 ffsino 296 2757 0 1250 118 0 118 118 0 8 0 nchpl 144 3797 0 2093 64 0 64 64 0 8 0 rtmask 32 11 0 11 2 1 1 1 0 8 1 vnodes 216 3031 0 0 169 0 169 169 0 8 0 namei 1024 12555 0 12555 3 2 1 2 0 8 1 percpumem 16 95 0 47 1 0 1 1 0 8 0 vmpool 840 1 0 1 1 0 1 1 0 8 1 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 86 0 62 4 1 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 17310 0 17310 3 2 1 2 1 8 1 plimitpl 152 204 0 184 1 0 1 1 0 8 0 sigapl 424 1088 0 1019 8 0 8 8 0 8 0 knotepl 120 738 0 0 23 0 23 23 0 8 0 kqueuepl 224 398 0 385 6 4 2 5 0 8 1 pipepl 344 177 0 150 3 0 3 3 0 8 0 fdescpl 528 1051 0 1019 3 0 3 3 0 8 0 filepl 160 6549 0 6319 17 0 17 17 0 8 6 lockfpl 104 191 0 188 1 0 1 1 0 8 0 lockfspl 48 84 0 81 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 41 0 24 1 0 1 1 0 8 0 ucredpl 104 897 0 884 1 0 1 1 0 8 0 zombiepl 144 1020 0 1019 1 0 1 1 0 8 0 processpl 1232 1088 0 1019 6 0 6 6 0 8 0 procpl 664 2165 0 2084 8 0 8 8 0 8 0 sosppl 176 9 0 9 2 1 1 1 0 8 1 sockpl 752 1549 0 1516 26 14 12 20 0 8 8 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 42 0 0 5 0 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 1486 0 0 93 0 93 93 0 8 0 bufpl 280 6473 0 335 439 0 439 439 0 8 0 anonpl 32 11396 0 0 92 0 92 92 0 246 0 amapchunkpl 152 29860 0 29276 46 14 32 38 0 158 7 amappl16 200 3478 0 3441 30 16 14 28 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 34 0 32 1 0 1 1 0 8 0 amappl13 176 450 0 449 1 0 1 1 0 8 0 amappl12 168 1437 0 1394 3 1 2 3 0 8 0 amappl11 160 10 0 9 1 0 1 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 27 0 25 1 0 1 1 0 8 0 amappl7 128 88 0 86 1 0 1 1 0 8 0 amappl6 120 301 0 286 1 0 1 1 0 8 0 amappl5 112 80 0 68 1 0 1 1 0 8 0 amappl4 104 463 0 434 1 0 1 1 0 8 0 amappl3 96 4909 0 4807 3 0 3 3 0 8 0 amappl2 88 1179 0 1101 2 0 2 2 0 8 0 amappl1 80 12595 0 12000 14 0 14 14 0 8 0 amappl 88 7693 0 7515 5 0 5 5 0 92 0 uvmvnodes 80 135 0 0 3 0 3 3 0 8 0 dma65536 65536 2 0 2 1 1 0 1 0 8 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 7 0 7 2 2 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 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 20 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1051 0 1019 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1051 0 1019 1 0 1 1 0 8 0 vmmpekpl 168 10400 0 10357 3 0 3 3 0 8 0 vmmpepl 168 74380 0 72384 108 9 99 108 0 357 8 vmsppl 488 1050 0 1019 5 0 5 5 0 8 0 rwobjpl 80 22426 0 21323 32 4 28 32 0 8 1 pdppl 4096 2112 0 2040 114 42 72 86 0 8 0 pvpl 32 18288 0 0 149 1 148 148 0 265 0 pmappl 256 1051 0 1020 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 385 0 59 11 1 10 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837d2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 uvm_pmr_addr_RBT_COMPARE(fffffd80084f0920,fffffd8008511ff8) at uvm_pmr_addr_RBT_COMPARE+0x27 sys/uvm/uvm_pmemrange.c:-1 _rb_nfind(ffffffff835f7290,fffffd800476d000,fffffd80084f0920) at _rb_nfind+0x78 sys/kern/subr_tree.c:473 uvm_pmr_pnaddr(fffffd800476d000,fffffd80084f0920,ffff800037bfe150,ffff800037bfe158) at uvm_pmr_pnaddr+0x64 sys/uvm/uvm_pmemrange.c:315 uvm_pmr_insert_addr(fffffd800476d000,fffffd80084f0920,0) at uvm_pmr_insert_addr+0x91 sys/uvm/uvm_pmemrange.c:429 uvm_pmr_freepages(fffffd80084f0920,1) at uvm_pmr_freepages+0x2d1 uvm_pmr_insert sys/uvm/uvm_pmemrange.c:492 [inline] uvm_pmr_freepages(fffffd80084f0920,1) at uvm_pmr_freepages+0x2d1 sys/uvm/uvm_pmemrange.c:1331 uvm_anfree_list(fffffd805cb442c0,0) at uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 amap_wiperange_chunk(fffffd80617028f0,fffffd806b591558,67,789) at amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 amap_wiperange(fffffd80617028f0,67,789) at amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1039 amap_pp_adjref(fffffd80617028f0,67,789,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffffd80617028f0,67,789,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 end trace frame: 0xffff800037bfe550, count: 0 ddb{0}> trace x86_ipi_db(ffffffff837d2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 uvm_pmr_addr_RBT_COMPARE(fffffd80084f0920,fffffd8008511ff8) at uvm_pmr_addr_RBT_COMPARE+0x27 sys/uvm/uvm_pmemrange.c:-1 _rb_nfind(ffffffff835f7290,fffffd800476d000,fffffd80084f0920) at _rb_nfind+0x78 sys/kern/subr_tree.c:473 uvm_pmr_pnaddr(fffffd800476d000,fffffd80084f0920,ffff800037bfe150,ffff800037bfe158) at uvm_pmr_pnaddr+0x64 sys/uvm/uvm_pmemrange.c:315 uvm_pmr_insert_addr(fffffd800476d000,fffffd80084f0920,0) at uvm_pmr_insert_addr+0x91 sys/uvm/uvm_pmemrange.c:429 uvm_pmr_freepages(fffffd80084f0920,1) at uvm_pmr_freepages+0x2d1 uvm_pmr_insert sys/uvm/uvm_pmemrange.c:492 [inline] uvm_pmr_freepages(fffffd80084f0920,1) at uvm_pmr_freepages+0x2d1 sys/uvm/uvm_pmemrange.c:1331 uvm_anfree_list(fffffd805cb442c0,0) at uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 amap_wiperange_chunk(fffffd80617028f0,fffffd806b591558,67,789) at amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 amap_wiperange(fffffd80617028f0,67,789) at amap_wiperange+0x4b4 sys/uvm/uvm_amap.c:1039 amap_pp_adjref(fffffd80617028f0,67,789,ffffffff) at amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 amap_adjref_anons(fffffd80617028f0,67,789,ffffffff,0) at amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 uvm_unmap_detach(ffff800037bfe570,0) at uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 sys_munmap(ffff8000333f1250,ffff800037bfe6b0,ffff800037bfe600) at sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 syscall(ffff800037bfe6b0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037bfe6b0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6501cd49850, count: -18 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e48e7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c015d78,200000390000,20000039b000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff8000333f0558,200000390040,10000,3,ffff80002efd3c28) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff818c90f0,d02,8000,ffffffff818c9940,ffff80002efd3f08) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80002efd3d60) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd806d2e77f8,ffff80002efd3f08,0,fffffd80097fb7b8) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd80672fc190,ffff80002efd3f08,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000333f0558,7,ffff80002efd3f08,1,ffff80002efd3fc0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff8000333f0558,ffff80002efd4070,ffff80002efd3fc0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80002efd4070) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efd4070) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64fea4096a0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e48e7) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c015d78,200000390000,20000039b000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c015d78,200000390000,2000003a1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff8000333f0558,200000390040,10000,3,ffff80002efd3c28) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff818c90f0,d02,8000,ffffffff818c9940,ffff80002efd3f08) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80002efd3d60) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd806d2e77f8,ffff80002efd3f08,0,fffffd80097fb7b8) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd80672fc190,ffff80002efd3f08,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000333f0558,7,ffff80002efd3f08,1,ffff80002efd3fc0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff8000333f0558,ffff80002efd4070,ffff80002efd3fc0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80002efd4070) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002efd4070) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64fea4096a0, count: -13