panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *383387 88463 32767 0x10 0x4000000 0K syz-executor 46229 14011 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b6713) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8065d5d370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8065d5d370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002dbba204,2,20000100,ffff80002dbba238,0,37,6c7ef7a7d7ce20f2) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002dbba204,2,20000100,ffff80002dbba238,0,37,6c7ef7a7d7ce20f2) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035f82090,ffff80002dbba370,ffff80002dbba2c0) at sys_sysctl+0x422 syscall(ffff80002dbba370) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002dbba370) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeeb0c4497c0, 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(ffffffff830b6713) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8065d5d370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8065d5d370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002dbba204,2,20000100,ffff80002dbba238,0,37,6c7ef7a7d7ce20f2) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002dbba204,2,20000100,ffff80002dbba238,0,37,6c7ef7a7d7ce20f2) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035f82090,ffff80002dbba370,ffff80002dbba2c0) at sys_sysctl+0x422 syscall(ffff80002dbba370) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002dbba370) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeeb0c4497c0, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002dbb9eb0 rbx 0xffffffff834efd87 cpu_info_full_primary+0x2d87 rdx 0xffff8000015d0d80 rcx 0xffff800035f82090 rax 0xffffffff834eeff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x25833c737441282f r11 0x2f961b291afa238e r12 0xffffffff834efb88 cpu_info_full_primary+0x2b88 r13 0 r14 0 r15 0x1 rip 0xffffffff825cd535 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002dbb9ea0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=383387 pid=88463 tcnt=10 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800035f834d0,0xffff8000ffff6cd0 process=0xffff80002dd70018 user=0xffff80002dbb5000, vmspace=0xfffffd8065d5d370 estcpu=33, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 24481 349873 93802 32767 2 0x10 syz-executor 32420 381010 14375 32767 2 0x490 syz-executor 32420 486451 14375 32767 3 0x4000090 kqread syz-executor 32420 104991 14375 32767 3 0x4000090 fsleep syz-executor 16683 22826 9642 32767 2 0x10 syz-executor 31844 291648 87707 32767 2 0x490 syz-executor 31844 120607 87707 32767 3 0x4000090 lockf syz-executor 31844 451098 87707 32767 3 0x4000090 fsleep syz-executor 88463 75601 7351 32767 3 0x90 nanoslp syz-executor 88463 497513 7351 32767 2 0x4000010 syz-executor 88463 198234 7351 32767 3 0x4000090 fsleep syz-executor 88463 347319 7351 32767 3 0x4000090 fsleep syz-executor 88463 450245 7351 32767 3 0x4000090 fsleep syz-executor *88463 383387 7351 32767 7 0x4000010 syz-executor 88463 126072 7351 32767 2 0x4000010 syz-executor 88463 196888 7351 32767 2 0x4000010 syz-executor 88463 114270 7351 32767 2 0x4000010 syz-executor 88463 452315 7351 32767 3 0x4000090 fsleep syz-executor 14011 90475 5809 32767 2 0x490 syz-executor 14011 46229 5809 32767 7 0x4000010 syz-executor 14011 36191 5809 32767 3 0x4000090 fsleep syz-executor 14011 443234 5809 32767 3 0x4000090 fsleep syz-executor 40670 20051 85083 32767 2 0x490 syz-executor 85083 154469 96524 0 3 0x82 wait syz-executor 87707 417316 268 32767 2 0x490 syz-executor 268 516761 96524 0 3 0x82 wait syz-executor 9642 68319 61037 32767 2 0x490 syz-executor 61037 494695 96524 0 3 0x82 wait syz-executor 13857 56628 93342 32767 3 0x90 wait syz-executor 93342 44807 96524 0 3 0x82 wait syz-executor 5809 283910 59737 32767 3 0x90 nanoslp syz-executor 59737 515880 96524 0 3 0x82 wait syz-executor 7351 500464 41205 32767 2 0x490 syz-executor 41205 307516 96524 0 3 0x82 wait syz-executor 93802 255014 40499 32767 2 0x490 syz-executor 40499 300839 96524 0 3 0x82 wait syz-executor 14375 315788 59682 32767 2 0x490 syz-executor 59682 413671 96524 0 3 0x82 wait syz-executor 37292 495934 37921 0 3 0x100082 sbwait arp 37921 327892 63721 0 3 0x10008a sigsusp sh 63721 28096 1 0 3 0x80 wait syz-executor 79117 225461 52744 0 3 0x100082 sbwait ndp 52744 158865 98261 0 3 0x10008a sigsusp sh 98261 307078 1 0 3 0x80 wait syz-executor 68532 281004 0 0 3 0x14200 bored sosplice 96524 445630 96303 0 3 0x82 kqread syz-executor 96303 421128 61653 0 3 0x10008a sigsusp ksh 61653 198434 54550 0 3 0x98 kqread sshd-session 54550 314400 82588 0 3 0x92 kqread sshd-session 26221 386376 1 0 3 0x100083 ttyin getty 82588 505681 1 0 3 0x88 kqread sshd 33161 223920 65534 73 3 0x1100090 kqread syslogd 65534 31185 1 0 3 0x100082 sbwait syslogd 4530 375648 1 0 3 0x100080 kqread resolvd 38162 446012 81530 77 3 0x100092 kqread dhcpleased 91804 425069 81530 77 3 0x100092 kqread dhcpleased 81530 125509 1 0 3 0x80 kqread dhcpleased 91329 196190 0 0 3 0x14200 bored smr 15379 295154 0 0 2 0x14200 zerothread 5052 103921 0 0 3 0x14200 aiodoned aiodoned 8237 202522 0 0 3 0x14200 syncer update 63400 487643 0 0 3 0x14200 cleaner cleaner 15055 252751 0 0 3 0x14200 reaper reaper 24229 416174 0 0 3 0x14200 pgdaemon pagedaemon 87613 309064 0 0 3 0x14200 bored viomb 22955 301103 0 0 3 0x40014200 acpi0 acpi0 2474 164712 0 0 3 0x40014200 idle1 58035 331452 0 0 3 0x14200 bored softnet3 63142 354489 0 0 3 0x14200 bored softnet2 62845 92511 0 0 3 0x14200 bored softnet1 39695 487521 0 0 3 0x14200 bored softnet0 65757 132476 0 0 3 0x14200 bored systqmp 31850 492106 0 0 3 0x14200 bored systq 18129 474951 0 0 3 0x14200 tmoslp softclockmp 82995 244407 0 0 3 0x40014200 tmoslp softclock 48348 258099 0 0 3 0x40014200 idle0 1 67382 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 88463 (syz-executor) thread 0xffff800035f82090 (383387) shared rwlock vmmaplk r = 0 (0xfffffd8065d5d460) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #2 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8362a8b0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #6 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #7 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #8 vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 #9 sysctl_proc_cwd+0x2b2 sys/kern/kern_sysctl.c:2318 #10 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #11 sys_sysctl+0x422 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83426b10) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 14011 (syz-executor) thread 0xffff800029fe6040 (46229) shared rwlock vmmaplk r = 0 (0xfffffd805aaccd08) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #2 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #3 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #4 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #5 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #6 alltraps_kern_meltdown+0x7b #7 copyout+0x57 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10231 14125K 14131K 166960K 14281 0 pcb 17 28K 32K 166960K 29 0 rtable 238 6K 7K 166960K 36443 0 pf 31 16K 16K 166960K 2024 0 ifaddr 42 15K 19K 166960K 4005 0 ifgroup 50 2K 2K 166960K 4023 0 sysctl 4 1K 5K 166960K 50 0 counters 64 36K 36K 166960K 2044 0 ioctlops 0 0K 2K 166960K 2929 0 iov 0 0K 36K 166960K 7211 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 28943 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1471 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 3405 0 dirhash 24 4K 5K 166960K 1797 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 31 117K 173K 166960K 77034 0 sigio 0 0K 0K 166960K 3401 0 proc 58 79K 176K 166960K 35724 0 subproc 130 8K 13K 166960K 14859 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 18917 0 in_multi 99 7K 8K 166960K 14239 0 ether_multi 1 0K 0K 166960K 604 0 mrt 1 0K 0K 166960K 19 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 325 1447K 1447K 166960K 325 0 exec 0 0K 1K 166960K 27822 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 316 94K 140K 166960K 674061 0 UVM aobj 131 7K 7K 166960K 160 0 pinsyscall 54 108K 136K 166960K 106186 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 5624 0 NDP 11 0K 2K 166960K 2987 0 temp 89 6824K 6952K 166960K 479042 0 kqueue 13 20K 38K 166960K 12440 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 11608 0 11602 68 66 2 5 0 8 1 rtentry 112 11863 0 11751 17 13 4 4 0 8 0 unpcb 144 76941 0 76921 324 322 2 11 0 8 1 syncache 336 1203 0 1203 41 40 1 1 0 8 1 tcpqe 32 543 0 543 78 78 0 1 0 8 0 tcpcb 808 51789 0 51712 393 379 14 24 0 8 0 arp 120 2046 0 2028 1 0 1 1 0 8 0 ipq 40 506 0 501 8 7 1 1 0 8 0 ipqe 40 7019 0 6982 8 7 1 1 0 8 0 inpcb 336 117904 0 117822 562 549 13 28 0 8 0 ip6q 72 19 0 19 17 17 0 1 0 8 0 ip6af 40 38 0 38 17 17 0 1 0 8 0 nd6 136 3830 0 3804 18 17 1 2 0 8 0 kcovpl 48 1143 0 1133 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 47972 0 47496 260 230 30 34 0 8 0 art_table 32 47973 0 47496 13 8 5 5 0 8 0 art_node 16 11862 0 11760 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 3 3 0 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 3403 0 3393 1 0 1 1 0 8 0 shmpl 112 157 0 29 4 0 4 4 0 8 0 dirhash 1024 1235 0 1197 26 20 6 6 0 8 1 dino2pl 256 103265 0 97771 345 1 344 344 0 8 0 ffsino 272 103265 0 97771 367 0 367 367 0 8 0 nchpl 144 191743 0 188536 119 0 119 119 0 8 0 uvmvnodes 80 12097 0 0 247 0 247 247 0 8 0 vnodes 216 12097 0 0 673 0 673 673 0 8 0 namei 1024 809450 0 809447 80 78 2 3 0 8 1 percpumem 16 1036 0 990 1 0 1 1 0 8 0 kstatmem 264 2002 0 1980 3 1 2 2 0 8 0 scxspl 216 710785 0 710785 171 168 3 8 1 8 3 plimitpl 152 27185 0 27158 2 0 2 2 0 8 0 sigapl 424 75541 0 75478 19 11 8 9 0 8 0 futexpl 64 948019 0 948011 27 26 1 1 0 8 0 knotepl 120 2786 0 0 19 0 19 19 0 8 0 kqueuepl 216 26741 0 26729 221 220 1 8 0 8 0 pipepl 320 14905 0 14872 187 183 4 13 0 8 0 fdescpl 496 75522 0 75479 20 13 7 8 0 8 0 filepl 152 564883 0 564592 380 365 15 26 0 8 1 lockfpl 104 22465 0 22458 16 15 1 4 0 8 0 lockfspl 48 6205 0 6201 1 0 1 1 0 8 0 sessionpl 144 1508 0 1490 1 0 1 1 0 8 0 pgrppl 48 4647 0 4621 1 0 1 1 0 8 0 ucredpl 104 111963 0 111944 1 0 1 1 0 8 0 zombiepl 144 75480 0 75478 1 0 1 1 0 8 0 processpl 1160 75541 0 75478 14 8 6 6 0 8 0 procpl 648 181875 0 181796 19 11 8 8 0 8 0 srpgc 96 39 0 39 18 18 0 1 0 8 0 sosppl 168 975 0 969 32 31 1 1 0 8 0 sockpl 664 208561 0 208453 726 709 17 35 0 8 0 mcl64k 65536 104 0 0 5 3 2 4 0 8 0 mcl16k 16384 48 0 0 6 3 3 6 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 20 0 0 2 0 2 2 0 8 0 mcl2k 2048 1157 0 0 35 10 25 27 0 8 0 mtagpl 96 43 0 0 1 0 1 1 0 8 0 mbufpl 256 5348 0 0 289 0 289 289 0 8 0 bufpl 280 123935 0 111836 865 0 865 865 0 8 0 anonpl 24 9910623 0 9891651 925 807 118 154 0 185 3 amapchunkpl 152 2196032 0 2195053 607 565 42 53 0 158 2 amappl16 200 266469 0 265835 960 923 37 57 0 8 3 amappl15 192 26 0 26 16 16 0 1 0 8 0 amappl14 184 3133 0 3121 1 0 1 1 0 8 0 amappl13 176 121 0 121 69 68 1 1 0 8 1 amappl12 168 92469 0 92425 11 8 3 3 0 8 0 amappl11 160 70 0 58 1 0 1 1 0 8 0 amappl10 152 16 0 15 2 1 1 1 0 8 0 amappl9 144 124 0 123 2 1 1 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 2577 0 2564 1 0 1 1 0 8 0 amappl6 120 10057 0 10052 1 0 1 1 0 8 0 amappl5 112 4591 0 4581 1 0 1 1 0 8 0 amappl4 104 5362 0 5342 1 0 1 1 0 8 0 amappl3 96 457253 0 457106 7 2 5 5 0 8 0 amappl2 88 20574 0 20503 6 3 3 3 0 8 0 amappl1 80 425492 0 424886 55 39 16 22 0 8 0 amappl 88 658161 0 657910 9 2 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 72 159 0 29 3 0 3 3 0 8 0 uaddrrnd 24 75522 0 75479 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 75522 0 75479 1 0 1 1 0 8 0 vmmpekpl 168 671929 0 671881 13 9 4 5 0 8 0 vmmpepl 168 4886153 0 4883252 695 549 146 162 0 357 9 vmsppl 440 75521 0 75479 19 13 6 7 0 8 0 rwobjpl 56 1254319 0 1240436 276 78 198 199 0 8 1 pdppl 4096 151051 0 150958 2376 2279 97 121 0 8 4 pvpl 32 49780 0 0 396 0 396 396 0 265 0 pmappl 248 75521 0 75479 10 6 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4793 0 3594 36 1 35 35 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(ffffffff830b6713) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8065d5d370,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8065d5d370,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002dbba204,2,20000100,ffff80002dbba238,0,37,6c7ef7a7d7ce20f2) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002dbba204,2,20000100,ffff80002dbba238,0,37,6c7ef7a7d7ce20f2) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800035f82090,ffff80002dbba370,ffff80002dbba2c0) at sys_sysctl+0x422 syscall(ffff80002dbba370) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002dbba370) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeeb0c4497c0, 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:158 uvm_map_lookup_entry(fffffd805aaccc18,fa8000,ffff80002db960f8) at uvm_map_lookup_entry+0x133 uvm_map_entrybyaddr sys/uvm/uvm_map.c:529 [inline] uvm_map_lookup_entry(fffffd805aaccc18,fa8000,ffff80002db960f8) at uvm_map_lookup_entry+0x133 sys/uvm/uvm_map.c:1565 uvmfault_lookup(ffff80002db960d0,0) at uvmfault_lookup+0x133 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002db960d0,ffff80002db96108,ffff80002db96130) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805aaccc18,fa8000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002db96270,fa8060) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002db96270) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff80002db966c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002db966c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa937783b70, count: 1 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x25 sys/dev/kcov.c:158 uvm_map_lookup_entry(fffffd805aaccc18,fa8000,ffff80002db960f8) at uvm_map_lookup_entry+0x133 uvm_map_entrybyaddr sys/uvm/uvm_map.c:529 [inline] uvm_map_lookup_entry(fffffd805aaccc18,fa8000,ffff80002db960f8) at uvm_map_lookup_entry+0x133 sys/uvm/uvm_map.c:1565 uvmfault_lookup(ffff80002db960d0,0) at uvmfault_lookup+0x133 sys/uvm/uvm_fault.c:1785 uvm_fault_check(ffff80002db960d0,ffff80002db96108,ffff80002db96130) at uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 uvm_fault(fffffd805aaccc18,fa8000,0,2) at uvm_fault+0x112 sys/uvm/uvm_fault.c:600 kpageflttrap(ffff80002db96270,fa8060) at kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 kerntrap(ffff80002db96270) at kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x57 syscall(ffff80002db966c0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002db966c0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaa937783b70, count: -14