panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 88811 53370 0 0 0x4000000 0K syz-executor 426436 65551 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830ca95f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806a4b68e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806a4b68e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371c1d34,5,20000100,ffff8000371c1d68,0,37,c72705df3776f76b) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371c1d34,5,20000100,ffff8000371c1d68,0,37,c72705df3776f76b) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371b71f0,ffff8000371c1ea0,ffff8000371c1df0) at sys_sysctl+0x425 syscall(ffff8000371c1ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371c1ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x65493fe65c0, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830ca95f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806a4b68e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806a4b68e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371c1d34,5,20000100,ffff8000371c1d68,0,37,c72705df3776f76b) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371c1d34,5,20000100,ffff8000371c1d68,0,37,c72705df3776f76b) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371b71f0,ffff8000371c1ea0,ffff8000371c1df0) at sys_sysctl+0x425 syscall(ffff8000371c1ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371c1ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x65493fe65c0, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371c19f0 rbx 0xffffffff83474dbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000371b71f0 rax 0xffffffff83473ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xbfa96452c645c4ba r11 0x8a6b97d504280dc7 r12 0xffffffff83474bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff8292af95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371c19e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=88811 pid=53370 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=79, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371b6f68,0xffff8000ffff31e8 process=0xffff800037297660 user=0xffff8000371bc000, vmspace=0xfffffd806a4b68e0 estcpu=29, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 36906 483798 90152 0 2 0 syz-executor 36906 226355 90152 0 3 0x4000080 fsleep syz-executor 11598 108331 80959 0 2 0 syz-executor 11598 290808 80959 0 3 0x4000080 msgwait syz-executor 11598 216019 80959 0 3 0x4000080 fsleep syz-executor 55112 272152 60797 0 2 0 syz-executor 55112 140149 60797 0 2 0x4000000 syz-executor 53370 34260 13249 0 2 0 syz-executor *53370 88811 13249 0 7 0x4000000 syz-executor 53370 41257 13249 0 2 0x4000000 syz-executor 12656 368843 21335 0 2 0x2 syz-executor 38904 12752 0 0 3 0x14200 acct acct 4667 80116 0 0 3 0x14200 bored sosplice 26955 446011 1 0 3 0x80 nanoslp init 31393 417397 0 0 3 0x14280 nfsidl nfsio 81481 90958 0 0 3 0x14280 nfsidl nfsio 87014 512630 0 0 3 0x14280 nfsidl nfsio 95571 348783 0 0 3 0x14280 nfsidl nfsio 2194 387424 0 0 3 0x14280 nfsidl nfsio 15180 407386 0 0 3 0x14280 nfsidl nfsio 51523 451575 0 0 3 0x14280 nfsidl nfsio 81528 414880 0 0 3 0x14280 nfsidl nfsio 75880 187151 0 0 3 0x14280 nfsidl nfsio 1759 30123 0 0 3 0x14280 nfsidl nfsio 97551 472680 0 0 3 0x14280 nfsidl nfsio 19986 89019 0 0 3 0x14280 nfsidl nfsio 92807 340000 0 0 3 0x14280 nfsidl nfsio 11684 484653 0 0 3 0x14280 nfsidl nfsio 33418 494493 0 0 3 0x14280 nfsidl nfsio 53266 454164 0 0 3 0x14280 nfsidl nfsio 52472 234703 0 0 3 0x14280 nfsidl nfsio 15360 316987 0 0 3 0x14280 nfsidl nfsio 86957 60950 0 0 3 0x14280 nfsidl nfsio 89788 406337 0 0 3 0x14280 nfsidl nfsio 49287 390229 41507 0 3 0x100082 sbwait arp 41507 413849 88123 0 3 0x10008a sigsusp sh 69902 231381 21335 0 3 0x82 nanoslp syz-executor 60797 266825 21335 0 3 0x82 nanoslp syz-executor 90152 289495 21335 0 3 0x82 nanoslp syz-executor 88123 137093 21335 0 3 0x82 wait syz-executor 41959 96315 21335 0 3 0x82 nanoslp syz-executor 80959 215048 21335 0 3 0x82 nanoslp syz-executor 13249 507140 21335 0 2 0x2 syz-executor 21335 137097 91303 0 3 0x82 kqread syz-executor 91303 126852 17694 0 3 0x10008a sigsusp ksh 17694 271523 98793 0 3 0x98 kqread sshd-session 98793 503825 48306 0 3 0x92 kqread sshd-session 48306 461234 1 0 3 0x88 kqread sshd 85688 8523 65927 74 3 0x1100092 bpf pflogd 65927 88706 1 0 3 0x80 sbwait pflogd 77213 109527 32298 73 3 0x1100090 kqread syslogd 32298 280296 1 0 3 0x100082 sbwait syslogd 29960 91232 1 0 3 0x100080 kqread resolvd 58878 233578 55035 77 3 0x100092 kqread dhcpleased 48517 183350 55035 77 3 0x100092 kqread dhcpleased 55035 389503 1 0 3 0x80 kqread dhcpleased 13516 519838 0 0 3 0x14200 bored smr 11229 65325 0 0 2 0x14200 zerothread 8531 230462 0 0 3 0x14200 aiodoned aiodoned 86927 403370 0 0 3 0x14200 syncer update 92031 339624 0 0 3 0x14200 cleaner cleaner 65551 426436 0 0 7 0x14200 reaper 70642 91248 0 0 3 0x14200 pgdaemon pagedaemon 86834 348219 0 0 3 0x14200 bored viomb 68832 4425 0 0 3 0x40014200 acpi0 acpi0 71394 39566 0 0 3 0x40014200 idle1 39913 177003 0 0 3 0x14200 bored softnet3 5652 435284 0 0 3 0x14200 bored softnet2 54636 468474 0 0 3 0x14200 bored softnet1 25320 154251 0 0 3 0x14200 bored softnet0 26091 514633 0 0 3 0x14200 bored systqmp 98125 192317 0 0 3 0x14200 bored systq 54127 351881 0 0 3 0x14200 tmoslp softclockmp 21226 300147 0 0 3 0x40014200 tmoslp softclock 55442 3686 0 0 3 0x40014200 idle0 1 336016 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 53370 (syz-executor) thread 0xffff8000371b71f0 (88811) shared rwlock vmmaplk r = 0 (0xfffffd806a4b69d8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83561540) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #6 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1636 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #10 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #11 sys_sysctl+0x425 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8345f0f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 11255K 11513K 166960K 11956 0 pcb 17 12K 12K 166960K 102 0 rtable 181 5K 6K 166960K 388 0 pf 34 17K 21K 166960K 79 0 ifaddr 34 5K 7K 166960K 56 0 ifgroup 51 2K 2K 166960K 81 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 36K 166960K 80 0 ioctlops 0 0K 4K 166960K 1534 0 iov 0 0K 12K 166960K 26 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1428 90K 90K 166960K 1819 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 19 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 589 0 sigio 1 0K 0K 166960K 9 0 proc 63 79K 128K 166960K 592 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 439 0 in_multi 67 5K 6K 166960K 110 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 579 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 241 77K 77K 166960K 7093 0 UVM aobj 19 4K 4K 166960K 22 0 pinsyscall 42 84K 108K 166960K 1700 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 27 0 NDP 11 0K 1K 166960K 36 0 temp 51 6821K 6892K 166960K 17005 0 kqueue 13 20K 32K 166960K 106 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 61 0 57 1 0 1 1 0 8 0 rtentry 112 119 0 37 3 0 3 3 0 8 0 unpcb 144 335 0 318 3 2 1 3 0 8 0 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpcb 808 191 0 185 5 0 5 5 0 8 4 arp 120 20 0 7 1 0 1 1 0 8 0 inpcb 336 616 0 602 7 0 7 7 0 8 5 nd6 136 27 0 9 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 4 0 4 2 1 1 1 0 8 1 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pffrag 232 66 0 65 1 0 1 1 0 482 0 pffrnode 88 66 0 65 1 0 1 1 0 8 0 pffrent 40 131 0 130 1 0 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 pfanchor 1288 2 0 2 1 1 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 52 0 9 1 0 1 1 0 8 0 pfstkey 128 57 0 14 2 0 2 2 0 8 0 pfstate 376 54 0 12 5 0 5 5 0 8 0 pfrule 1344 24 0 18 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 466 0 134 26 2 24 26 0 8 2 art_table 32 467 0 134 4 0 4 4 0 8 0 art_node 16 118 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 0 1 1 0 8 1 semapl 112 13 0 3 1 0 1 1 0 8 0 shmpl 112 19 0 3 1 0 1 1 0 8 0 dirhash 1024 26 0 9 3 0 3 3 0 8 0 dino2pl 256 2374 0 875 95 0 95 95 0 8 0 ffsino 272 2374 0 875 102 0 102 102 0 8 0 nchpl 144 3197 0 1511 63 0 63 63 0 8 0 uvmvnodes 80 2791 0 0 57 0 57 57 0 8 0 vnodes 216 2791 0 0 156 0 156 156 0 8 0 namei 1024 10940 0 10940 2 1 1 2 0 8 1 percpumem 16 54 0 9 1 0 1 1 0 8 0 kstatmem 264 40 0 18 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 9612 0 9612 7 6 1 5 1 8 1 plimitpl 152 111 0 95 1 0 1 1 0 8 0 sigapl 424 913 0 841 9 0 9 9 0 8 0 futexpl 64 6962 0 6960 1 0 1 1 0 8 0 knotepl 120 460 0 0 14 0 14 14 0 8 0 kqueuepl 216 146 0 136 2 1 1 2 0 8 0 pipepl 320 226 0 199 8 0 8 8 0 8 5 fdescpl 496 873 0 842 5 0 5 5 0 8 0 filepl 152 4747 0 4496 16 0 16 16 0 8 5 lockfpl 104 141 0 139 1 0 1 1 0 8 0 lockfspl 48 58 0 56 1 0 1 1 0 8 0 sessionpl 144 28 0 20 1 0 1 1 0 8 0 pgrppl 48 41 0 25 1 0 1 1 0 8 0 ucredpl 104 707 0 694 1 0 1 1 0 8 0 zombiepl 144 843 0 841 1 0 1 1 0 8 0 processpl 1160 913 0 841 6 0 6 6 0 8 0 procpl 648 1645 0 1567 8 0 8 8 0 8 0 srpgc 96 10 0 10 1 0 1 1 0 8 1 sosppl 168 7 0 7 1 0 1 1 0 8 1 sockpl 664 1022 0 987 9 0 9 9 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 138 0 0 18 0 18 18 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 43 0 0 2 0 2 2 0 8 0 mbufpl 256 243 0 0 15 0 15 15 0 8 0 bufpl 280 3159 0 100 219 0 219 219 0 8 0 anonpl 24 174250 0 169816 56 7 49 53 0 185 16 amapchunkpl 152 22873 0 22323 29 2 27 27 0 158 1 amappl16 200 4073 0 4045 16 9 7 14 0 8 4 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 119 0 107 1 0 1 1 0 8 0 amappl13 176 11 0 11 2 2 0 1 0 8 0 amappl12 168 1528 0 1496 4 1 3 3 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 9 0 8 1 0 1 1 0 8 0 amappl9 144 164 0 164 1 1 0 1 0 8 0 amappl8 136 32 0 29 1 0 1 1 0 8 0 amappl7 128 117 0 105 1 0 1 1 0 8 0 amappl6 120 170 0 168 1 0 1 1 0 8 0 amappl5 112 149 0 136 1 0 1 1 0 8 0 amappl4 104 327 0 307 1 0 1 1 0 8 0 amappl3 96 4180 0 4085 3 0 3 3 0 8 0 amappl2 88 1173 0 1089 3 0 3 3 0 8 0 amappl1 80 9933 0 9356 15 1 14 15 0 8 0 amappl 88 6647 0 6468 5 0 5 5 0 92 0 dma32768 32768 1 0 1 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 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 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 21 0 3 1 0 1 1 0 8 0 uaddrrnd 24 873 0 841 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 873 0 841 1 0 1 1 0 8 0 vmmpekpl 168 8856 0 8813 3 0 3 3 0 8 0 vmmpepl 168 61385 0 59510 96 4 92 96 0 357 5 vmsppl 448 872 0 841 6 1 5 5 0 8 0 rwobjpl 56 22996 0 19235 54 0 54 54 0 8 0 pdppl 4096 1753 0 1682 105 30 75 85 0 8 4 pvpl 32 15168 0 0 124 1 123 123 0 265 0 pmappl 248 872 0 841 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 399 0 38 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830ca95f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806a4b68e0,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806a4b68e0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371c1d34,5,20000100,ffff8000371c1d68,0,37,c72705df3776f76b) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371c1d34,5,20000100,ffff8000371c1d68,0,37,c72705df3776f76b) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000371b71f0,ffff8000371c1ea0,ffff8000371c1df0) at sys_sysctl+0x425 syscall(ffff8000371c1ea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371c1ea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x65493fe65c0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83561338) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561338) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvmspace_free(fffffd806a4b61e0) at uvmspace_free+0x6d sys/uvm/uvm_map.c:3414 reaper(ffff800029fd8290) at reaper+0x246 sys/kern/kern_exit.c:477 end trace frame: 0x0, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83561338) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83561338) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvmspace_free(fffffd806a4b61e0) at uvmspace_free+0x6d sys/uvm/uvm_map.c:3414 reaper(ffff800029fd8290) at reaper+0x246 sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -6