panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *191647 63076 32767 0x10 0x4000000 1 syz-executor 377055 63076 32767 0x10 0x4000000 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830be518) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806339b528,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806339b528,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000371bc830,ffff80002a0f69f0,ffff80002a0f6940) at sys_sysctl+0x422 syscall(ffff80002a0f69f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0f69f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb81de3cbd0, 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{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:437 panic(ffffffff830be518) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806339b528,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806339b528,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000371bc830,ffff80002a0f69f0,ffff80002a0f6940) at sys_sysctl+0x422 syscall(ffff80002a0f69f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0f69f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb81de3cbd0, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a0f6530 rbx 0xffff800029b7cdcf rdx 0 rcx 0xffff8000371bc830 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xab2a5632c5b756d1 r11 0x127ff7b65b198cd2 r12 0xffff800029b7cbd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81a937f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a0f6520 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=191647 pid=63076 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371bcab8,0xffff800030f82040 process=0xffff80002ede5230 user=0xffff80002a0f1000, vmspace=0xfffffd806339b528 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 63076 155622 93735 32767 2 0x10 syz-executor *63076 191647 93735 32767 7 0x4000010 syz-executor 63076 377055 93735 32767 7 0x4000010 syz-executor 74239 485109 91318 32767 3 0x90 nanoslp syz-executor 74239 79538 91318 32767 3 0x4000090 fsleep syz-executor 74239 93313 91318 32767 3 0x4000090 fsleep syz-executor 74239 337337 91318 32767 3 0x4000090 pipewr syz-executor 28142 101127 69678 32767 3 0x90 nanoslp syz-executor 28142 247940 69678 32767 3 0x4000090 lockf syz-executor 78539 444882 24031 32767 3 0x90 nanoslp syz-executor 78539 11704 24031 32767 3 0x4000090 lockf syz-executor 78539 241879 24031 32767 3 0x4000090 fsleep syz-executor 46101 467596 74124 32767 3 0x90 nanoslp syz-executor 46101 368783 74124 32767 3 0x4000090 sbwait syz-executor 46101 96184 74124 32767 3 0x4000090 fsleep syz-executor 10238 288628 58913 32767 3 0x90 nanoslp syz-executor 10238 466025 58913 32767 3 0x4000090 kqread syz-executor 10238 225974 58913 32767 3 0x4000090 fsleep syz-executor 24807 147232 53714 32767 3 0x90 nanoslp syz-executor 24807 313689 53714 32767 3 0x4000090 sbwait syz-executor 24807 187952 53714 32767 3 0x4000090 fsleep syz-executor 56832 403087 29164 32767 3 0x90 nanoslp syz-executor 56832 757 29164 32767 3 0x4000090 fsleep syz-executor 56832 259550 29164 32767 3 0x4000090 fsleep syz-executor 56832 498789 29164 32767 3 0x4000090 lockf syz-executor 56832 351923 29164 32767 3 0x4000090 fsleep syz-executor 69678 33122 59930 32767 3 0x90 nanoslp syz-executor 59930 393854 70741 0 3 0x82 wait syz-executor 53714 34140 43679 32767 3 0x90 nanoslp syz-executor 43679 513228 70741 0 3 0x82 wait syz-executor 91318 350398 10362 32767 3 0x90 nanoslp syz-executor 10362 307500 70741 0 3 0x82 wait syz-executor 58913 227149 75644 32767 3 0x90 nanoslp syz-executor 75644 270525 70741 0 3 0x82 wait syz-executor 93735 359629 39460 32767 3 0x90 nanoslp syz-executor 39460 506726 70741 0 3 0x82 wait syz-executor 57229 519998 10139 0 3 0x82 netio sshd-session 24031 459583 42940 32767 3 0x90 nanoslp syz-executor 42940 416740 70741 0 3 0x82 wait syz-executor 29164 255686 35587 32767 3 0x90 nanoslp syz-executor 74124 46076 60741 32767 3 0x90 nanoslp syz-executor 35587 362613 70741 0 3 0x82 wait syz-executor 60741 291893 70741 0 3 0x82 wait syz-executor 94787 117552 45501 0 3 0x100082 sbwait arp 45501 332692 97622 0 3 0x10008a sigsusp sh 97622 131697 1 0 3 0x80 wait syz-executor 79778 207626 2520 0 3 0x100082 sbwait arp 2520 402119 69995 0 3 0x10008a sigsusp sh 69995 505859 1 0 3 0x80 wait syz-executor 4604 503200 65499 0 3 0x100082 sbwait arp 65499 365810 12785 0 3 0x10008a sigsusp sh 12785 232027 1 0 3 0x80 wait syz-executor 16582 108363 0 0 3 0x14200 bored sosplice 70741 169359 83959 0 3 0x82 kqread syz-executor 83959 197568 16427 0 3 0x10008a sigsusp ksh 16427 333997 62886 0 3 0x98 kqread sshd-session 62886 153242 10139 0 3 0x92 kqread sshd-session 61100 487456 1 0 3 0x100083 ttyin getty 10139 281802 1 0 3 0x88 kqread sshd 1546 278686 31726 73 3 0x1100090 kqread syslogd 31726 449550 1 0 3 0x100082 sbwait syslogd 60882 79708 1 0 3 0x100080 kqread resolvd 43311 19072 61266 77 3 0x100092 kqread dhcpleased 86328 3116 61266 77 3 0x100092 kqread dhcpleased 61266 18480 1 0 3 0x80 kqread dhcpleased 72019 518288 0 0 3 0x14200 bored smr 10527 391963 0 0 3 0x14200 pgzero zerothread 28321 314816 0 0 3 0x14200 aiodoned aiodoned 41691 97753 0 0 3 0x14200 syncer update 44071 203554 0 0 3 0x14200 cleaner cleaner 65414 370762 0 0 3 0x14200 reaper reaper 17982 282507 0 0 3 0x14200 pgdaemon pagedaemon 91724 294647 0 0 3 0x14200 bored viomb 85491 362726 0 0 3 0x40014200 acpi0 acpi0 70950 269624 0 0 3 0x40014200 idle1 55806 101079 0 0 3 0x14200 bored softnet3 95108 228151 0 0 3 0x14200 bored softnet2 23966 274287 0 0 3 0x14200 bored softnet1 55193 410723 0 0 3 0x14200 bored softnet0 51096 231398 0 0 3 0x14200 bored systqmp 16697 113632 0 0 3 0x14200 bored systq 29387 28757 0 0 3 0x14200 tmoslp softclockmp 94514 115074 0 0 3 0x40014200 tmoslp softclock 97379 424374 0 0 3 0x40014200 idle0 1 329386 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 63076 (syz-executor) thread 0xffff8000371bc830 (191647) shared rwlock vmmaplk r = 0 (0xfffffd806339b618) #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 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #3 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #3 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835cc8e0) #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+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 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #6 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #6 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #7 sys_sysctl+0x422 #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 exclusive rwlock sysctllk r = 0 (0xffffffff8346bbd0) #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: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 63076 (syz-executor) thread 0xffff800030f82030 (377055) exclusive rwlock futex r = 0 (0xffffffff834ae250) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_futex+0x69 sys/kern/sys_futex.c:98 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 14124K 14131K 166960K 12762 0 pcb 17 14K 16K 166960K 19 0 rtable 242 6K 7K 166960K 15206 0 pf 31 16K 16K 166960K 1023 0 ifaddr 42 11K 11K 166960K 1969 0 ifgroup 50 2K 2K 166960K 2016 0 sysctl 4 1K 5K 166960K 10 0 counters 64 36K 36K 166960K 1038 0 ioctlops 0 0K 2K 166960K 712 0 iov 0 0K 34K 166960K 904 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1648 103K 104K 166960K 11313 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 161 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 12 0 dirhash 18 3K 4K 166960K 210 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 35 133K 293K 166960K 15719 0 sigio 0 0K 0K 166960K 288 0 proc 61 91K 274K 166960K 14803 0 subproc 143 8K 24K 166960K 8710 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 2270 0 in_multi 99 7K 7K 166960K 5760 0 ether_multi 1 0K 0K 166960K 65 0 mrt 2 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 8608 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 356 102K 240K 166960K 114964 0 UVM aobj 131 6K 6K 166960K 141 0 pinsyscall 61 122K 196K 166960K 29846 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 672 0 NDP 11 0K 2K 166960K 1457 0 temp 89 6824K 6953K 166960K 121323 0 kqueue 19 32K 40K 166960K 1534 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 2594 0 2588 19 18 1 3 0 8 0 rtentry 112 5424 0 5310 20 16 4 4 0 8 0 unpcb 144 11435 0 11412 116 110 6 9 0 8 4 syncache 336 195 0 195 56 55 1 1 0 8 1 tcpqe 32 98 0 98 35 35 0 1 0 8 0 tcpcb 808 6005 0 5978 113 104 9 10 0 8 6 arp 120 972 0 953 1 0 1 1 0 8 0 ipq 40 83 0 77 15 14 1 1 0 8 0 ipqe 40 1126 0 1120 15 14 1 1 0 8 0 inpcb 336 15758 0 15725 197 186 11 13 0 8 8 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 136 1524 0 1497 3 1 2 2 0 8 0 kcovpl 48 670 0 659 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 21961 0 21487 354 323 31 31 0 8 0 art_table 32 21962 0 21487 5 1 4 4 0 8 0 art_node 16 5420 0 5316 1 0 1 1 0 8 0 sysvmsgpl 40 19 0 10 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 138 0 10 4 0 4 4 0 8 0 dirhash 1024 164 0 135 7 3 4 4 0 8 0 dino2pl 256 14213 0 11330 182 1 181 181 0 8 0 ffsino 272 14213 0 11330 194 1 193 193 0 8 0 nchpl 144 25025 0 22320 101 0 101 101 0 8 0 uvmvnodes 80 9943 0 0 203 0 203 203 0 8 0 vnodes 216 9943 0 0 553 0 553 553 0 8 0 namei 1024 140115 0 140115 71 70 1 3 0 8 1 percpumem 16 533 0 487 1 0 1 1 0 8 0 kstatmem 264 996 0 974 2 0 2 2 0 8 0 scxspl 216 203765 0 203765 71 68 3 8 1 8 3 plimitpl 152 3908 0 3881 2 0 2 2 0 8 0 sigapl 424 14796 0 14729 20 10 10 13 0 8 0 futexpl 64 113633 0 113624 52 51 1 1 0 8 0 knotepl 120 2489 0 0 22 4 18 18 0 8 0 kqueuepl 216 3335 0 3319 39 34 5 5 0 8 4 pipepl 320 3540 0 3502 36 31 5 9 0 8 0 fdescpl 496 14777 0 14729 27 18 9 11 0 8 0 filepl 152 86262 0 85944 128 107 21 26 0 8 5 lockfpl 104 2489 0 2482 1 0 1 1 0 8 0 lockfspl 48 757 0 753 1 0 1 1 0 8 0 sessionpl 144 641 0 621 2 0 2 2 0 8 0 pgrppl 48 1532 0 1504 1 0 1 1 0 8 0 ucredpl 104 13827 0 13808 1 0 1 1 0 8 0 zombiepl 144 14729 0 14729 1 0 1 1 0 8 1 processpl 1160 14796 0 14729 9 2 7 8 0 8 0 procpl 648 27810 0 27725 20 12 8 10 0 8 0 srpgc 96 60 0 60 22 22 0 1 0 8 0 sosppl 168 103 0 102 31 30 1 1 0 8 0 sockpl 664 30054 0 29992 370 355 15 24 0 8 8 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 866 0 0 30 12 18 30 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 3551 0 0 91 4 87 87 0 8 0 bufpl 280 23652 0 13709 712 1 711 711 0 8 0 anonpl 24 1862120 0 1852724 339 227 112 118 0 185 34 amapchunkpl 152 361951 0 360984 282 243 39 54 0 158 1 amappl16 200 31680 0 31523 251 230 21 39 0 8 8 amappl15 192 25 0 25 1 1 0 1 0 8 0 amappl14 184 1322 0 1308 1 0 1 1 0 8 0 amappl13 176 23 0 23 5 5 0 1 0 8 0 amappl12 168 23275 0 23224 6 3 3 4 0 8 0 amappl11 160 49 0 38 1 0 1 1 0 8 0 amappl10 152 13 0 12 2 1 1 1 0 8 0 amappl9 144 200 0 200 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 1188 0 1172 1 0 1 1 0 8 0 amappl6 120 4971 0 4966 2 1 1 2 0 8 0 amappl5 112 2184 0 2174 1 0 1 1 0 8 0 amappl4 104 2232 0 2214 1 0 1 1 0 8 0 amappl3 96 70344 0 70166 9 4 5 5 0 8 0 amappl2 88 8879 0 8798 4 1 3 3 0 8 0 amappl1 80 114962 0 114224 28 9 19 19 0 8 0 amappl 88 109758 0 109475 9 1 8 9 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 72 140 0 10 3 0 3 3 0 8 0 uaddrrnd 24 14777 0 14729 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14777 0 14729 1 0 1 1 0 8 0 vmmpekpl 168 138306 0 138247 10 6 4 6 0 8 0 vmmpepl 168 953285 0 950549 378 245 133 153 0 357 6 vmsppl 440 14776 0 14729 21 14 7 10 0 8 0 rwobjpl 56 263788 0 252354 185 20 165 168 0 8 0 pdppl 4096 29561 0 29458 1985 1880 105 181 0 8 2 pvpl 32 51138 0 0 403 1 402 402 0 265 0 pmappl 248 14776 0 14729 8 3 5 6 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3292 0 2641 20 1 19 19 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8346fff0) 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+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff835cc6d8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835cc6d8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff835cc6d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835cc6d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002edf5b80) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002edf5b80) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb83f324990, count: 5 ddb{0}> trace x86_ipi_db(ffffffff8346fff0) 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+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff835cc6d8) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835cc6d8) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff835cc6d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835cc6d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002edf5b80) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002edf5b80) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb83f324990, count: -10 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:437 panic(ffffffff830be518) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806339b528,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806339b528,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000371bc830,ffff80002a0f69f0,ffff80002a0f6940) at sys_sysctl+0x422 syscall(ffff80002a0f69f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0f69f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb81de3cbd0, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830be518) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806339b528,20000000,20002000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806339b528,20000000,20002000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80002a0f6884,5,20000100,ffff80002a0f68b8,0,37,4caf713e33f2275a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000371bc830,ffff80002a0f69f0,ffff80002a0f6940) at sys_sysctl+0x422 syscall(ffff80002a0f69f0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0f69f0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xeb81de3cbd0, count: -8