panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *379316 28261 32767 0x10 0x4000000 0 syz-executor 3297 30266 0 0x2 0 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806f92e528,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806f92e528,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800035836014,3,20000100,ffff800035836048,0,2e,e99ee66bfaa39c8a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800035836014,3,20000100,ffff800035836048,0,2e,e99ee66bfaa39c8a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800035836180,ffff8000358360d0) at sys_sysctl+0x422 syscall(ffff800035836180) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800035836180) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa008dbf1f70, 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(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806f92e528,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806f92e528,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800035836014,3,20000100,ffff800035836048,0,2e,e99ee66bfaa39c8a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800035836014,3,20000100,ffff800035836048,0,2e,e99ee66bfaa39c8a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800035836180,ffff8000358360d0) at sys_sysctl+0x422 syscall(ffff800035836180) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800035836180) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa008dbf1f70, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800035835cc0 rbx 0xffffffff8345cdcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff8000ffff6528 rax 0xffffffff8345bff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2bd8455c7a60c0f4 r11 0xc7029a32cfda8082 r12 0xffffffff8345cbd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82891655 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800035835cb0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=379316 pid=28261 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff6cc0,0xffff8000ffff6f58 process=0xffff800029fe8490 user=0xffff800035831000, vmspace=0xfffffd806f92e528 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28261 473487 23631 32767 2 0x10 syz-executor *28261 379316 23631 32767 7 0x4000010 syz-executor 28261 361735 23631 32767 3 0x4000090 fsleep syz-executor 30266 3297 62915 0 7 0x2 syz-executor 36449 147960 47682 32767 2 0x10 syz-executor 36449 355144 47682 32767 3 0x4000090 ttyretype syz-executor 36449 251065 47682 32767 3 0x4000090 sbwait syz-executor 96235 276355 90502 32767 3 0x90 nanoslp syz-executor 96235 454929 90502 32767 3 0x4000090 fsleep syz-executor 96235 484793 90502 32767 3 0x4000090 pipewr syz-executor 59176 401850 88586 32767 3 0x90 nanoslp syz-executor 59176 455654 88586 32767 3 0x4000090 fsleep syz-executor 59176 30031 88586 32767 3 0x4000090 ttyin syz-executor 49214 226286 35449 32767 3 0x90 nanoslp syz-executor 49214 3881 35449 32767 3 0x4000090 lockf syz-executor 49214 215429 35449 32767 3 0x4000090 lockf syz-executor 49214 259215 35449 32767 3 0x4000090 fsleep syz-executor 97149 392990 9977 32767 3 0x90 wait syz-executor 9977 516985 62915 0 3 0x82 wait syz-executor 35449 357969 62966 32767 3 0x90 nanoslp syz-executor 62966 235957 62915 0 3 0x82 wait syz-executor 88586 147419 79084 32767 3 0x90 nanoslp syz-executor 79084 198770 62915 0 3 0x82 wait syz-executor 96356 522483 13757 32767 3 0x90 wait syz-executor 13757 353362 62915 0 3 0x82 wait syz-executor 23631 134394 80957 32767 3 0x90 nanoslp syz-executor 80957 13653 62915 0 3 0x82 wait syz-executor 90502 189244 60893 32767 3 0x90 nanoslp syz-executor 60893 435077 62915 0 3 0x82 wait syz-executor 47682 80147 84226 32767 3 0x90 nanoslp syz-executor 84226 494668 62915 0 3 0x82 wait syz-executor 34839 508705 12962 0 3 0x82 netio sshd-session 15290 386697 12962 0 3 0x82 netio sshd-session 95683 510034 0 0 3 0x14200 bored sosplice 53773 522919 43574 0 3 0x100082 sbwait ndp 43574 422884 50329 0 3 0x10008a sigsusp sh 50329 84899 1 0 3 0x80 wait syz-executor 62915 78534 18740 0 3 0x82 kqread syz-executor 18740 38082 28486 0 3 0x10008a sigsusp ksh 28486 125494 80692 0 3 0x98 kqread sshd-session 80692 258233 12962 0 3 0x92 kqread sshd-session 11857 436183 1 0 3 0x100083 ttyin getty 12962 419856 1 0 3 0x88 kqread sshd 19628 192259 72141 73 3 0x1100090 kqread syslogd 72141 163918 1 0 3 0x100082 sbwait syslogd 85265 45124 1 0 3 0x100080 kqread resolvd 95504 18143 4967 77 3 0x100092 kqread dhcpleased 83997 224588 4967 77 3 0x100092 kqread dhcpleased 4967 233314 1 0 3 0x80 kqread dhcpleased 13022 14459 0 0 3 0x14200 bored smr 95650 286685 0 0 2 0x14200 zerothread 88340 433386 0 0 3 0x14200 aiodoned aiodoned 56706 57303 0 0 3 0x14200 syncer update 92137 404829 0 0 3 0x14200 cleaner cleaner 22660 434976 0 0 3 0x14200 reaper reaper 10974 504475 0 0 3 0x14200 pgdaemon pagedaemon 37442 165002 0 0 3 0x14200 bored viomb 26029 216065 0 0 3 0x40014200 acpi0 acpi0 77675 12211 0 0 3 0x40014200 idle1 48971 224894 0 0 3 0x14200 bored softnet3 3385 507080 0 0 3 0x14200 bored softnet2 76561 483638 0 0 3 0x14200 bored softnet1 53930 71094 0 0 3 0x14200 bored softnet0 75223 84517 0 0 3 0x14200 bored systqmp 48594 63226 0 0 3 0x14200 bored systq 65261 490272 0 0 3 0x14200 tmoslp softclockmp 89736 367923 0 0 3 0x40014200 tmoslp softclock 59551 342928 0 0 3 0x40014200 idle0 1 187514 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 28261 (syz-executor) thread 0xffff8000ffff6528 (379316) shared rwlock vmmaplk r = 0 (0xfffffd806f92e618) #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: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 (0xffffffff8362c378) #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 vm_map_lock_ln+0x143 sys/uvm/uvm_map.c:5252 #6 uvm_map_extract+0x176 sys/uvm/uvm_map.c:4312 #7 uvm_io+0x166 sys/uvm/uvm_io.c:98 #8 sysctl_proc_args+0x309 sys/kern/kern_sysctl.c:2134 #9 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #10 sys_sysctl+0x422 #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83448fd0) #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 30266 (syz-executor) thread 0xffff8000ffff71d0 (3297) exclusive rrwlock inode r = 0 (0xfffffd8050e2dc58) #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 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ec02918) #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 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10241 14125K 14131K 166960K 13031 0 pcb 17 24K 26K 166960K 27 0 rtable 214 6K 7K 166960K 19786 0 pf 29 16K 16K 166960K 1180 0 ifaddr 38 14K 19K 166960K 2329 0 ifgroup 46 2K 2K 166960K 2337 0 sysctl 4 1K 5K 166960K 22 0 counters 62 36K 36K 166960K 1202 0 ioctlops 0 0K 2K 166960K 1169 0 iov 0 0K 34K 166960K 2655 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1482 93K 93K 166960K 16202 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 506 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 1004 0 dirhash 18 3K 4K 166960K 597 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 27 101K 169K 166960K 31460 0 sigio 0 0K 0K 166960K 1217 0 proc 61 91K 176K 166960K 18939 0 subproc 105 6K 13K 166960K 9712 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 6724 0 in_multi 89 6K 7K 166960K 7504 0 ether_multi 1 0K 0K 166960K 226 0 mrt 2 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 403 1791K 1791K 166960K 403 0 exec 0 0K 1K 166960K 12618 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 307 76K 140K 166960K 263206 0 UVM aobj 131 4K 6K 166960K 146 0 pinsyscall 53 106K 138K 166960K 48870 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1954 0 NDP 10 0K 2K 166960K 1731 0 temp 75 6824K 6952K 166960K 188249 0 kqueue 15 24K 35K 166960K 4803 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 4748 0 4744 30 28 2 3 0 8 1 rtentry 112 6618 0 6518 15 11 4 4 0 8 0 unpcb 144 28219 0 28200 155 149 6 10 0 8 5 syncache 336 480 0 480 37 36 1 1 0 8 1 tcpqe 32 186 0 186 39 38 1 1 0 8 1 tcpcb 808 17988 0 17952 204 194 10 15 0 8 4 arp 120 1174 0 1158 1 0 1 1 0 8 0 ipq 40 184 0 179 7 6 1 1 0 8 0 ipqe 40 3144 0 3139 7 6 1 1 0 8 0 inpcb 336 41392 0 41348 262 253 9 22 0 8 2 ip6q 72 3 0 3 3 3 0 1 0 8 0 ip6af 40 6 0 6 3 3 0 1 0 8 0 nd6 136 1967 0 1945 8 6 2 2 0 8 0 kcovpl 48 747 0 739 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 26754 0 26332 213 181 32 33 0 8 0 art_table 32 26755 0 26332 12 7 5 5 0 8 0 art_node 16 6617 0 6526 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 21 1 0 1 1 0 8 0 semapl 112 1001 0 991 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 422 0 393 17 13 4 5 0 8 0 dino2pl 256 38828 0 35396 216 1 215 215 0 8 0 ffsino 272 38828 0 35396 230 1 229 229 0 8 0 nchpl 144 70627 0 67467 118 0 118 118 0 8 0 uvmvnodes 80 10412 0 0 213 0 213 213 0 8 0 vnodes 216 10412 0 0 579 0 579 579 0 8 0 namei 1024 322906 0 322906 61 60 1 2 0 8 1 percpumem 16 615 0 570 1 0 1 1 0 8 0 kstatmem 264 1160 0 1140 2 0 2 2 0 8 0 scxspl 216 370364 0 370364 85 82 3 8 1 8 3 plimitpl 152 10184 0 10158 2 0 2 2 0 8 0 sigapl 424 30586 0 30526 21 13 8 9 0 8 0 futexpl 64 339963 0 339959 31 30 1 1 0 8 0 knotepl 120 1763 0 0 22 0 22 22 0 8 0 kqueuepl 216 10455 0 10444 93 92 1 5 0 8 0 pipepl 320 6740 0 6707 78 74 4 9 0 8 0 fdescpl 496 30567 0 30526 30 24 6 8 0 8 0 filepl 152 218397 0 218112 167 147 20 25 0 8 5 lockfpl 104 8835 0 8828 7 6 1 2 0 8 0 lockfspl 48 2414 0 2409 1 0 1 1 0 8 0 sessionpl 144 917 0 899 1 0 1 1 0 8 0 pgrppl 48 2421 0 2395 1 0 1 1 0 8 0 ucredpl 104 44907 0 44889 1 0 1 1 0 8 0 zombiepl 144 30528 0 30526 1 0 1 1 0 8 0 processpl 1160 30586 0 30526 8 3 5 6 0 8 0 procpl 648 69221 0 69150 11 4 7 8 0 8 0 srpgc 96 27 0 27 13 13 0 1 0 8 0 sosppl 168 359 0 359 36 35 1 1 0 8 1 sockpl 664 74832 0 74765 435 418 17 28 0 8 6 mcl64k 65536 44 0 0 4 1 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 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 4 1 3 3 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 785 0 0 31 10 21 31 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 2330 0 0 88 1 87 87 0 8 0 bufpl 280 48774 0 38359 745 0 745 745 0 8 0 anonpl 24 3669077 0 3664039 374 317 57 84 0 185 0 amapchunkpl 152 844530 0 843814 297 260 37 48 0 158 6 amappl16 200 75099 0 75078 542 529 13 27 0 8 8 amappl15 192 12 0 12 6 6 0 1 0 8 0 amappl14 184 1914 0 1901 1 0 1 1 0 8 0 amappl13 176 42 0 42 19 18 1 1 0 8 1 amappl12 168 40715 0 40673 4 1 3 3 0 8 0 amappl11 160 49 0 38 1 0 1 1 0 8 0 amappl10 152 35 0 35 2 2 0 1 0 8 0 amappl9 144 151 0 150 2 1 1 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 1603 0 1588 1 0 1 1 0 8 0 amappl6 120 5851 0 5847 1 0 1 1 0 8 0 amappl5 112 2757 0 2745 1 0 1 1 0 8 0 amappl4 104 3361 0 3344 1 0 1 1 0 8 0 amappl3 96 173698 0 173547 8 3 5 5 0 8 0 amappl2 88 12395 0 12313 4 1 3 3 0 8 0 amappl1 80 219495 0 218763 42 21 21 21 0 8 0 amappl 88 254942 0 254707 8 2 6 6 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 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 30567 0 30526 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 30567 0 30526 1 0 1 1 0 8 0 vmmpekpl 168 292000 0 291946 12 8 4 5 0 8 0 vmmpepl 168 1917230 0 1914853 389 270 119 130 0 357 0 vmsppl 440 30566 0 30526 26 20 6 7 0 8 0 rwobjpl 56 525324 0 513631 207 38 169 170 0 8 0 pdppl 4096 61141 0 61052 1655 1562 93 121 0 8 4 pvpl 32 48457 0 0 380 0 380 380 0 265 0 pmappl 248 30566 0 30526 5 2 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3028 0 2316 21 0 21 21 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(ffffffff830bb37f) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806f92e528,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806f92e528,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff800035836014,3,20000100,ffff800035836048,0,2e,e99ee66bfaa39c8a) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff800035836014,3,20000100,ffff800035836048,0,2e,e99ee66bfaa39c8a) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff8000ffff6528,ffff800035836180,ffff8000358360d0) at sys_sysctl+0x422 syscall(ffff800035836180) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800035836180) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa008dbf1f70, count: -8 ddb{0}> machine ddbcpu 1