panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *485275 29589 32767 0x10 0x4000000 1 syz-executor.5 192560 11324 0 0x14000 0x40000200 0 softclock db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82930248) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002a234ab0,ffff800035992340,ffff800035992390) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff800035992440) at syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] syscall(ffff800035992440) at syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9cc3e67240, count: 8 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82930248) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002a234ab0,ffff800035992340,ffff800035992390) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff800035992440) at syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] syscall(ffff800035992440) at syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9cc3e67240, count: -7 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800035992110 rbx 0xffff800029cfcba7 rdx 0 rcx 0xffff80002a234ab0 rax 0xffff800029cfbff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc3e819b40ae804a1 r11 0x829e665a306c5f8c r12 0xffff800029cfc9a8 r13 0 r14 0 r15 0x1 rip 0xffffffff8261889c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800035992100 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.5) tid=485275 pid=29589 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a234010,0xffff80002a2332d8 process=0xffff8000ffffa840 user=0xffff80003598d000, vmspace=0xfffffd807eff93a0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29589 322715 80339 32767 2 0x10 syz-executor.5 29589 309849 80339 32767 3 0x4000090 fsleep syz-executor.5 *29589 485275 80339 32767 7 0x4000010 syz-executor.5 29589 113978 80339 32767 2 0x4000010 syz-executor.5 97180 493829 52374 32767 2 0x490 syz-executor.0 97180 163792 52374 32767 3 0x4000090 nanoslp syz-executor.0 97180 33419 52374 32767 3 0x4000090 fsleep syz-executor.0 81486 48637 98432 32767 2 0x490 syz-executor.6 81486 500781 98432 32767 3 0x4000090 netcon2 syz-executor.6 81486 131576 98432 32767 3 0x4000090 fsleep syz-executor.6 81486 300734 98432 32767 3 0x4000090 fsleep syz-executor.6 52374 122281 11228 32767 2 0x490 syz-executor.0 11228 372610 85842 0 3 0x82 wait syz-executor.0 11431 456216 37340 32767 3 0x90 nanoslp syz-executor.1 37340 148975 85842 0 3 0x82 wait syz-executor.1 80339 255783 41246 32767 2 0x490 syz-executor.5 41246 72704 85842 0 3 0x82 wait syz-executor.5 75214 107656 36745 32767 2 0x10 syz-executor.4 36745 343247 85842 0 3 0x82 wait syz-executor.4 11521 176610 0 0 3 0x14200 bored sosplice 79609 114958 58383 32767 2 0x490 syz-executor.7 98432 509839 38274 32767 2 0x490 syz-executor.6 58383 229358 85842 0 3 0x82 wait syz-executor.7 38274 351 85842 0 3 0x82 wait syz-executor.6 47693 444584 54379 32767 2 0x490 syz-executor.2 85280 183175 98468 32767 2 0x490 syz-executor.3 54379 365928 85842 0 3 0x82 wait syz-executor.2 98468 129615 85842 0 3 0x82 wait syz-executor.3 85842 311290 56764 0 3 0x2000082 wait syz-fuzzer 85842 294625 56764 0 3 0x6000082 nanoslp syz-fuzzer 85842 321913 56764 0 3 0x6000082 wait syz-fuzzer 85842 140135 56764 0 3 0x6000082 wait syz-fuzzer 85842 232777 56764 0 3 0x6000082 thrsleep syz-fuzzer 85842 95647 56764 0 3 0x6000082 thrsleep syz-fuzzer 85842 494417 56764 0 3 0x6000082 wait syz-fuzzer 85842 387317 56764 0 3 0x6000082 thrsleep syz-fuzzer 85842 98633 56764 0 3 0x6000082 wait syz-fuzzer 85842 31192 56764 0 3 0x6000082 thrsleep syz-fuzzer 85842 83849 56764 0 3 0x6000082 wait syz-fuzzer 85842 68610 56764 0 3 0x6000082 thrsleep syz-fuzzer 85842 498234 56764 0 3 0x6000082 wait syz-fuzzer 85842 447135 56764 0 3 0x6000082 thrsleep syz-fuzzer 85842 233043 56764 0 3 0x6000082 wait syz-fuzzer 85842 8368 56764 0 3 0x6000082 kqread syz-fuzzer 56764 344377 17802 0 3 0x10008a sigsusp ksh 17802 486238 12748 0 3 0x9a kqread sshd 98840 88958 1 0 3 0x100083 ttyin getty 12748 493448 1 0 3 0x88 kqread sshd 36930 200294 33757 73 3 0x1100090 kqread syslogd 33757 59595 1 0 3 0x100082 netio syslogd 67981 470632 1 0 3 0x100080 kqread resolvd 86072 40450 70037 77 3 0x100092 kqread dhcpleased 73382 320719 70037 77 3 0x100092 kqread dhcpleased 70037 283599 1 0 3 0x80 kqread dhcpleased 29228 288568 0 0 3 0x14200 bored smr 57330 422033 0 0 2 0x14200 zerothread 32307 116073 0 0 3 0x14200 aiodoned aiodoned 6528 220367 0 0 3 0x14200 syncer update 81397 441865 0 0 3 0x14200 cleaner cleaner 28593 347093 0 0 3 0x14200 reaper reaper 10890 505082 0 0 3 0x14200 pgdaemon pagedaemon 99765 436758 0 0 3 0x14200 bored viomb 46799 211720 0 0 3 0x40014200 acpi0 acpi0 75070 409208 0 0 3 0x40014200 idle1 3422 390442 0 0 3 0x14200 bored softnet3 50175 138645 0 0 3 0x14200 bored softnet2 3570 151577 0 0 3 0x14200 bored softnet1 70642 419242 0 0 3 0x14200 bored softnet0 89939 112280 0 0 3 0x14200 bored systqmp 19420 518137 0 0 3 0x14200 bored systq 26498 221242 0 0 3 0x14200 tmoslp softclockmp 11324 192560 0 0 7 0x40014200 softclock 9275 418884 0 0 3 0x40014200 idle0 1 325439 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 29589 (syz-executor.5) thread 0xffff80002a234ab0 (485275) shared rwlock vmmaplk r = 0 (0xfffffd807eff9498) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x35 sys/uvm/uvm_fault.c:1622 #3 sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 #4 syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] #4 syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d7c390) #0 witness_lock+0x447 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 #2 mi_switch+0x46d sys/kern/sched_bsd.c:470 #3 sleep_finish+0x19b sys/kern/kern_synch.c:414 #4 rw_enter+0x341 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x35 sys/uvm/uvm_fault.c:1622 #6 sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 #7 syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] #7 syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 #8 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff82ccbc60) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 sys_sysctl+0x1c3 sys/kern/kern_sysctl.c:238 #3 syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] #3 syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 #4 Xsyscall+0x128 Process 75214 (syz-executor.4) thread 0xffff80002a264a90 (107656) exclusive rrwlock inode r = 0 (0xfffffd8067dd43c8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] #13 syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067dd4098) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] #8 syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 6412K 6421K 166960K 11328 0 pcb 15 14K 16K 166960K 19 0 rtable 248 7K 7K 166960K 1380 0 pf 29 8K 8K 166960K 51 0 ifaddr 44 15K 15K 166960K 92 0 ifgroup 50 2K 2K 166960K 94 0 sysctl 4 1K 2K 166960K 8 0 counters 64 36K 36K 166960K 86 0 ioctlops 0 0K 2K 166960K 205 0 iov 0 0K 20K 166960K 1008 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1279 80K 80K 166960K 2850 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 157 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 2163 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 21 77K 121K 166960K 8232 0 sigio 0 0K 0K 166960K 216 0 proc 56 78K 103K 166960K 1227 0 subproc 104 6K 6K 166960K 247 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 943 0 in_multi 99 7K 7K 166960K 280 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 217 970K 970K 166960K 217 0 exec 0 0K 1K 166960K 1842 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 412 92K 104K 166960K 83627 0 UVM aobj 131 4K 4K 166960K 138 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 250 0 NDP 11 0K 2K 166960K 60 0 temp 74 6712K 6840K 166960K 23862 0 kqueue 12 18K 33K 166960K 921 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 120 756 0 753 10 9 1 3 0 8 0 rtentry 112 250 0 133 4 0 4 4 0 8 0 unpcb 144 9255 0 9242 87 81 6 11 0 8 5 syncache 312 85 0 85 14 13 1 1 0 8 1 tcpqe 32 107 0 107 11 11 0 1 0 8 0 tcpcb 808 3689 0 3656 79 68 11 11 0 8 6 arp 120 42 0 23 1 0 1 1 0 8 0 ipq 40 10 0 10 5 5 0 1 0 8 0 ipqe 40 68 0 68 5 5 0 1 0 8 0 inpcb 368 7223 0 7183 99 89 10 15 0 8 5 nd6 136 73 0 43 2 0 2 2 0 8 0 kcovpl 48 19 0 11 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1023 0 543 38 8 30 31 0 8 0 art_table 32 1024 0 543 4 0 4 4 0 8 0 art_node 16 249 0 142 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 8 2 1 1 1 0 8 0 semapl 112 2161 0 2151 1 0 1 1 0 8 0 shmpl 112 135 0 7 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 12128 0 10687 91 0 91 91 0 8 0 ffsino 272 12128 0 10687 97 0 97 97 0 8 0 nchpl 144 23302 0 21660 63 0 63 63 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 76111 0 76111 2 1 1 2 0 8 1 percpumem 16 57 0 11 1 0 1 1 0 8 0 kstatmem 264 44 0 22 2 0 2 2 0 8 0 scxspl 216 68032 0 68032 37 34 3 8 1 8 3 plimitpl 152 1831 0 1808 14 13 1 2 0 8 0 sigapl 424 8509 0 8454 7 0 7 7 0 8 0 futexpl 64 67421 0 67417 1 0 1 1 0 8 0 knotepl 120 828 0 0 19 1 18 18 0 8 0 kqueuepl 216 2383 0 2375 32 31 1 8 0 8 0 pipepl 320 1753 0 1724 36 33 3 9 0 8 0 fdescpl 496 8490 0 8458 7 2 5 6 0 8 0 filepl 152 57984 0 57745 99 83 16 20 0 8 5 lockfpl 104 1552 0 1550 2 1 1 2 0 8 0 lockfspl 48 360 0 358 1 0 1 1 0 8 0 sessionpl 144 34 0 18 1 0 1 1 0 8 0 pgrppl 48 74 0 58 1 0 1 1 0 8 0 ucredpl 104 8724 0 8706 1 0 1 1 0 8 0 zombiepl 144 8458 0 8454 1 0 1 1 0 8 0 processpl 1144 8509 0 8454 5 0 5 5 0 8 0 procpl 680 23417 0 23339 12 4 8 8 0 8 0 sosppl 168 158 0 158 8 8 0 1 0 8 0 sockpl 488 17942 0 17889 409 394 15 39 0 8 8 mcl64k 65536 39 0 0 4 2 2 3 0 8 0 mcl16k 16384 20 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 4 1 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 309 0 0 34 9 25 34 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 1857 0 0 103 0 103 103 0 8 0 bufpl 288 17999 0 11678 452 0 452 452 0 8 0 anonpl 24 890804 0 878085 160 70 90 101 0 186 0 amapchunkpl 152 263498 0 262623 66 26 40 49 0 158 0 amappl16 200 18965 0 18578 94 71 23 34 0 8 1 amappl15 192 10 0 10 2 2 0 1 0 8 0 amappl14 184 192 0 177 2 1 1 2 0 8 0 amappl13 176 28 0 27 1 0 1 1 0 8 0 amappl12 168 9310 0 9276 2 0 2 2 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 43 0 32 1 0 1 1 0 8 0 amappl9 144 248 0 247 1 0 1 1 0 8 0 amappl8 136 496 0 366 5 0 5 5 0 8 0 amappl7 128 264 0 237 2 0 2 2 0 8 0 amappl6 120 502 0 488 1 0 1 1 0 8 0 amappl5 112 296 0 288 1 0 1 1 0 8 0 amappl4 104 745 0 719 2 1 1 2 0 8 0 amappl3 96 52057 0 51966 11 7 4 4 0 8 1 amappl2 88 9408 0 9334 3 1 2 3 0 8 0 amappl1 80 38218 0 37696 23 10 13 22 0 8 0 amappl 88 82671 0 82422 7 0 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 72 137 0 7 3 0 3 3 0 8 0 uaddrrnd 24 8490 0 8458 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 8490 0 8458 1 0 1 1 0 8 0 vmmpekpl 168 69876 0 69811 4 0 4 4 0 8 0 vmmpepl 168 507187 0 504798 242 123 119 140 0 357 0 vmsppl 464 8489 0 8458 7 2 5 6 0 8 0 rwobjpl 56 134252 0 126730 115 7 108 110 0 8 0 pdppl 4096 16987 0 16916 323 242 81 93 0 8 10 pvpl 32 42061 0 0 340 0 340 340 0 265 0 pmappl 248 8489 0 8458 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1365 0 439 27 0 27 27 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82cb7ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d7c188) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d7c188) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d7c188,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46d sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 msleep(ffffffff82d81bd0,ffffffff82c665e0,0,ffffffff8284d91f,0) at msleep+0xea sys/kern/kern_synch.c:249 softclock_thread(ffff80002a10c298) at softclock_thread+0xd0 sys/kern/kern_timeout.c:805 end trace frame: 0x0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff82cb7ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d7c188) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d7c188) at __mp_lock+0x122 sys/kern/kern_lock.c:147 __mp_acquire_count(ffffffff82d7c188,1) at __mp_acquire_count+0x48 sys/kern/kern_lock.c:227 mi_switch() at mi_switch+0x46d sys/kern/sched_bsd.c:470 sleep_finish(0,1) at sleep_finish+0x19b sys/kern/kern_synch.c:414 msleep(ffffffff82d81bd0,ffffffff82c665e0,0,ffffffff8284d91f,0) at msleep+0xea sys/kern/kern_synch.c:249 softclock_thread(ffff80002a10c298) at softclock_thread+0xd0 sys/kern/kern_timeout.c:805 end trace frame: 0x0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82930248) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002a234ab0,ffff800035992340,ffff800035992390) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff800035992440) at syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] syscall(ffff800035992440) at syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9cc3e67240, count: 8 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82930248) at panic+0x17b sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire_locked+0x321 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd807eff93a0,20002000,20003000) at uvm_fault_unwire+0x43 sys/uvm/uvm_fault.c:1623 sys_sysctl(ffff80002a234ab0,ffff800035992340,ffff800035992390) at sys_sysctl+0x239 sys/kern/kern_sysctl.c:259 syscall(ffff800035992440) at syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:182 [inline] syscall(ffff800035992440) at syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9cc3e67240, count: -7