panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1739 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *292151 88864 0 0 0x4000000 0 syz-executor 39256 7788 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83438c6d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e88d4,ffffffff83383f88,6cb,ffffffff8333dacd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bef91e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806bef91e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff800033cb08a8,4,400000000100,ffff800033cb08d8,0,8b3bede34a5786cd,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff800033cb08a8,4,400000000100,ffff800033cb08d8,0,8b3bede34a5786cd,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff800033cb08a4,5,400000000100,ffff800033cb08d8,0,37,e0f106bb50c5a540) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a392f88,ffff800033cb0a10,ffff800033cb0960) at sys_sysctl+0x425 syscall(ffff800033cb0a10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033cb0a10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7fa7163a70, count: 5 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: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1739 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83438c6d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e88d4,ffffffff83383f88,6cb,ffffffff8333dacd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bef91e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806bef91e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff800033cb08a8,4,400000000100,ffff800033cb08d8,0,8b3bede34a5786cd,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff800033cb08a8,4,400000000100,ffff800033cb08d8,0,8b3bede34a5786cd,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff800033cb08a4,5,400000000100,ffff800033cb08d8,0,37,e0f106bb50c5a540) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a392f88,ffff800033cb0a10,ffff800033cb0960) at sys_sysctl+0x425 syscall(ffff800033cb0a10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033cb0a10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7fa7163a70, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800033cb0480 rbx 0xffffffff83819dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff80002a392f88 rax 0xffffffff83818ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x2e2e6f43988a92d1 r11 0x995af0a3d02c09fa r12 0xffffffff83819bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8177e215 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800033cb0470 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=292151 pid=88864 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a393218,0xffffffff8389e538 process=0xffff8000ffff5720 user=0xffff800033cab000, vmspace=0xfffffd806bef91e0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 59697 422902 73765 0 2 0 syz-executor 59697 222086 73765 0 3 0x4000080 fsleep syz-executor 59697 118980 73765 0 3 0x4000080 fsleep syz-executor 59697 347878 73765 0 2 0x4000000 syz-executor 88864 24835 7788 0 2 0 syz-executor 88864 200939 7788 0 2 0x4000000 syz-executor 88864 129428 7788 0 3 0x4000080 fsleep syz-executor *88864 292151 7788 0 7 0x4000000 syz-executor 53260 370992 54342 0 2 0 syz-executor 53260 124086 54342 0 3 0x4000080 kqsel syz-executor 74995 82491 0 0 3 0x14200 acct acct 89155 487833 93037 0 2 0x2 syz-executor 12991 505656 0 0 3 0x14200 bored sosplice 14067 214433 44382 0 3 0x100082 sbwait arp 44382 373675 5073 0 3 0x10008a sigsusp sh 73765 495442 93037 0 3 0x82 nanoslp syz-executor 20616 348554 93037 0 3 0x82 nanoslp syz-executor 5073 71050 93037 0 3 0x82 wait syz-executor 63731 76862 93037 0 3 0x82 wait syz-executor 54342 162094 93037 0 3 0x82 nanoslp syz-executor 23470 334110 93037 0 3 0x82 nanoslp syz-executor 7788 39256 93037 0 7 0x2 syz-executor 93037 146766 53751 0 3 0x82 kqread syz-executor 53751 3266 657 0 3 0x10008a sigsusp ksh 657 125251 10746 0 3 0x98 kqread sshd-session 10746 518294 61751 0 3 0x92 kqread sshd-session 77483 196314 1 0 3 0x100083 ttyin getty 61751 389569 1 0 3 0x88 kqread sshd 1703 86483 11520 74 3 0x1100092 bpf pflogd 11520 153677 1 0 3 0x80 sbwait pflogd 14489 21038 14203 73 3 0x1100090 kqread syslogd 14203 250029 1 0 3 0x100082 sbwait syslogd 82096 117381 1 0 3 0x100080 kqread resolvd 60455 49250 24219 77 3 0x100092 kqread dhcpleased 43839 408393 24219 77 3 0x100092 kqread dhcpleased 24219 360817 1 0 3 0x80 kqread dhcpleased 81265 247832 0 0 3 0x14200 bored smr 8997 31973 0 0 2 0x14200 zerothread 42812 395808 0 0 3 0x14200 aiodoned aiodoned 78776 246521 0 0 3 0x14200 syncer update 16332 347890 0 0 3 0x14200 cleaner cleaner 80370 296883 0 0 3 0x14200 reaper reaper 11046 10717 0 0 3 0x14200 pgdaemon pagedaemon 11533 41840 0 0 3 0x14200 bored viomb 46967 142338 0 0 3 0x40014200 acpi0 acpi0 63165 184074 0 0 3 0x40014200 idle1 17303 280143 0 0 3 0x14200 bored softnet3 43530 362795 0 0 3 0x14200 bored softnet2 34309 208801 0 0 3 0x14200 bored softnet1 87871 108019 0 0 3 0x14200 bored softnet0 93305 432898 0 0 3 0x14200 bored systqmp 21083 290099 0 0 3 0x14200 bored systq 48591 136516 0 0 3 0x14200 tmoslp softclockmp 79836 494684 0 0 2 0x40014200 softclock 60719 353042 0 0 3 0x40014200 idle0 1 374681 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 88864 (syz-executor) thread 0xffff80002a392f88 (292151) exclusive rwlock amaplk r = 0 (0xfffffd805f18a158) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvm_map_lock_entry+0x51 sys/uvm/uvm_map.c:464 #3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1758 #4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 #5 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #5 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #6 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #7 sys_sysctl+0x425 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806bef92e0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1701 #3 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #3 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838dffb8) #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+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_write+0x1de sys/kern/kern_rwlock.c:292 #5 uvm_fault_check+0x54c sys/uvm/uvm_fault.c:846 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #8 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #9 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #10 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #11 sys_sysctl+0x425 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8380c7b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187 #3 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 11027K 11414K 166960K 11919 0 pcb 19 16K 17K 166960K 178 0 rtable 188 6K 6K 166960K 378 0 pf 38 18K 18K 166960K 75 0 ifaddr 40 6K 7K 166960K 60 0 ifgroup 58 2K 2K 166960K 81 0 sysctl 1 1K 1K 166960K 1 0 counters 66 36K 37K 166960K 90 0 ioctlops 0 0K 4K 166960K 1569 0 iov 0 0K 16K 166960K 22 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1391 87K 88K 166960K 1784 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 17 3K 3K 166960K 25 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 93K 166960K 468 0 sigio 0 0K 0K 166960K 7 0 proc 72 91K 128K 166960K 599 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 94 0 in_multi 78 5K 6K 166960K 108 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 467 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 243 73K 86K 166960K 5891 0 UVM aobj 8 2K 2K 166960K 9 0 pinsyscall 45 90K 106K 166960K 1573 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 15 0 NDP 13 0K 1K 166960K 37 0 temp 47 8636K 8704K 166960K 12123 0 kqueue 14 22K 28K 166960K 85 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 50 0 46 1 0 1 1 0 8 0 rtentry 112 120 0 35 4 0 4 4 0 8 0 unpcb 144 284 0 265 3 0 3 3 0 8 2 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 141 0 136 4 0 4 4 0 8 3 arp 120 20 0 4 1 0 1 1 0 8 0 inpcb 376 691 0 675 11 1 10 11 0 8 8 nd6 136 25 0 6 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 10 0 9 1 0 1 1 0 8 0 pppxif 1472 1 0 1 1 0 1 1 0 8 1 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 1 0 1 0 482 0 pffrnode 88 1 0 1 1 1 0 1 0 8 0 pffrent 40 2 0 2 1 1 0 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 pfstitem 24 34 0 1 1 0 1 1 0 8 0 pfstkey 128 36 0 3 2 0 2 2 0 8 0 pfstate 376 35 0 2 4 0 4 4 0 8 0 pfrule 1344 26 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 135 26 1 25 26 0 8 2 art_table 32 502 0 135 4 0 4 4 0 8 0 art_node 16 119 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 7 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 20 0 5 1 0 1 1 0 8 0 shmpl 112 6 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2250 0 745 95 0 95 95 0 8 0 ffsino 280 2250 0 745 109 0 109 109 0 8 0 nchpl 144 2902 0 1212 63 0 63 63 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 2586 0 0 53 0 53 53 0 8 0 vnodes 216 2586 0 0 144 0 144 144 0 8 0 namei 1024 9713 0 9713 2 1 1 2 0 8 1 percpumem 16 59 0 12 1 0 1 1 0 8 0 kstatmem 264 42 0 16 2 0 2 2 0 8 0 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 8688 0 8688 5 4 1 3 1 8 1 plimitpl 152 182 0 165 1 0 1 1 0 8 0 sigapl 424 768 0 715 7 0 7 7 0 8 0 futexpl 64 5089 0 5086 1 0 1 1 0 8 0 knotepl 120 546 0 0 17 0 17 17 0 8 0 kqueuepl 216 160 0 150 3 0 3 3 0 8 2 pipepl 328 268 0 240 9 1 8 8 0 8 5 fdescpl 504 748 0 715 5 0 5 5 0 8 0 filepl 152 4655 0 4423 18 3 15 18 0 8 5 lockfpl 104 142 0 140 1 0 1 1 0 8 0 lockfspl 48 35 0 33 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 41 0 23 1 0 1 1 0 8 0 ucredpl 104 614 0 601 1 0 1 1 0 8 0 zombiepl 144 719 0 715 1 0 1 1 0 8 0 processpl 1176 768 0 715 6 1 5 5 0 8 0 procpl 656 1372 0 1312 6 0 6 6 0 8 0 srpgc 96 4 0 4 1 0 1 1 0 8 1 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 688 1027 0 988 16 4 12 16 0 8 7 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 90 0 0 3 0 3 3 0 8 0 mbufpl 256 243 0 0 16 0 16 16 0 8 0 bufpl 280 2902 0 142 198 0 198 198 0 8 0 anonpl 24 134795 0 131258 45 5 40 44 0 184 9 amapchunkpl 152 18839 0 18307 27 1 26 27 0 158 3 amappl16 200 2543 0 2510 15 5 10 14 0 8 4 amappl15 192 6 0 5 1 0 1 1 0 8 0 amappl14 184 116 0 103 1 0 1 1 0 8 0 amappl13 176 30 0 30 1 1 0 1 0 8 0 amappl12 168 1424 0 1389 3 1 2 3 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 22 0 19 1 0 1 1 0 8 0 amappl7 128 122 0 108 1 0 1 1 0 8 0 amappl6 120 189 0 185 1 0 1 1 0 8 0 amappl5 112 129 0 119 1 0 1 1 0 8 0 amappl4 104 334 0 314 1 0 1 1 0 8 0 amappl3 96 3459 0 3334 4 0 4 4 0 8 0 amappl2 88 657 0 592 2 0 2 2 0 8 0 amappl1 80 9267 0 8679 14 0 14 14 0 8 0 amappl 88 5489 0 5306 5 0 5 5 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 dma512 512 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 256 0 256 2 1 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 1 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 8 0 1 1 0 1 1 0 8 0 uaddrrnd 24 748 0 715 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 748 0 715 1 0 1 1 0 8 0 vmmpekpl 168 8487 0 8443 3 0 3 3 0 8 0 vmmpepl 168 52384 0 50430 91 1 90 91 0 357 5 vmsppl 456 747 0 715 5 0 5 5 0 8 0 rwobjpl 64 19633 0 16052 58 0 58 58 0 8 0 pdppl 4096 1503 0 1430 105 30 75 85 0 8 2 pvpl 32 14211 0 0 116 1 115 115 0 265 0 pmappl 248 747 0 715 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 283 0 35 8 0 8 8 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:438 panic(ffffffff83438c6d) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e88d4,ffffffff83383f88,6cb,ffffffff8333dacd) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bef91e0,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806bef91e0,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(49,ffff800033cb08a8,4,400000000100,ffff800033cb08d8,0,8b3bede34a5786cd,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff800033cb08a8,4,400000000100,ffff800033cb08d8,0,8b3bede34a5786cd,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff800033cb08a4,5,400000000100,ffff800033cb08d8,0,37,e0f106bb50c5a540) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff80002a392f88,ffff800033cb0a10,ffff800033cb0960) at sys_sysctl+0x425 syscall(ffff800033cb0a10) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033cb0a10) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe7fa7163a70, count: -10 ddb{0}> machine ddbcpu 1