panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *115060 23166 0 0 0x4000000 0 syz-executor 346939 71427 0 0x2 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830eb61e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a4453,ffffffff830473e8,69e,ffffffff83008ab8) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be5d3a0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806be5d3a0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff800037227474,5,20000100,ffff8000372274a8,0,37,17b797ee26975a77) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff800037227474,5,20000100,ffff8000372274a8,0,37,17b797ee26975a77) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff76e8,ffff8000372275e0,ffff800037227530) at sys_sysctl+0x425 syscall(ffff8000372275e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000372275e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5f367e7b7f0, count: 6 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 1694 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830eb61e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a4453,ffffffff830473e8,69e,ffffffff83008ab8) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be5d3a0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806be5d3a0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff800037227474,5,20000100,ffff8000372274a8,0,37,17b797ee26975a77) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff800037227474,5,20000100,ffff8000372274a8,0,37,17b797ee26975a77) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff76e8,ffff8000372275e0,ffff800037227530) at sys_sysctl+0x425 syscall(ffff8000372275e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000372275e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5f367e7b7f0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800037227100 rbx 0xffffffff8349bdbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000ffff76e8 rax 0xffffffff8349aff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x58ab58eb7ca82974 r11 0x7dd75684fa1cc594 r12 0xffffffff8349bbc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81bbba65 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000372270f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=115060 pid=23166 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=0xffff800036b9ca48,0xffffffff835f5aa8 process=0xffff80002df75238 user=0xffff800037222000, vmspace=0xfffffd806be5d3a0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 23166 216275 71427 0 3 0 vmmaplk syz-executor 23166 166418 71427 0 3 0x4000000 vmmaplk syz-executor 23166 443404 71427 0 3 0x4000080 fsleep syz-executor *23166 115060 71427 0 7 0x4000000 syz-executor 97230 185539 4678 0 2 0 syz-executor 97230 153713 4678 0 3 0x4000080 kqread syz-executor 97230 495824 4678 0 3 0x4000080 kqread syz-executor 64416 100140 70770 0 2 0 syz-executor 64416 16898 70770 0 3 0x4000080 fsleep syz-executor 64416 27725 70770 0 2 0x4000000 syz-executor 41940 232789 82373 0 3 0x80 nanoslp syz-executor 41940 411412 82373 0 3 0x4000080 fsleep syz-executor 41940 123779 82373 0 3 0x4000080 fsleep syz-executor 41940 63603 82373 0 3 0x4000080 sbwait syz-executor 35894 391712 65140 0 3 0x80 nanoslp syz-executor 35894 300775 65140 0 3 0x4000080 kqread syz-executor 35894 140806 65140 0 3 0x4000080 fsleep syz-executor 50820 309773 95203 0 3 0x80 nanoslp syz-executor 50820 281992 95203 0 3 0x4000080 ttyin syz-executor 50820 504795 95203 0 3 0x4000080 ttyout syz-executor 50820 166794 95203 0 3 0x4000080 kqsel syz-executor 50820 84148 95203 0 3 0x4000080 fsleep syz-executor 92568 3401 82549 0 3 0x80 nanoslp syz-executor 92568 423649 82549 0 3 0x4000080 sbwait syz-executor 92568 299569 82549 0 3 0x4000080 fsleep syz-executor 82549 384910 5789 0 3 0x82 nanoslp syz-executor 54830 192617 1 0 3 0x80 nanoslp init 71089 435942 0 0 3 0x14200 bored sosplice 65140 294204 5789 0 3 0x82 nanoslp syz-executor 4678 122327 5789 0 3 0x82 nanoslp syz-executor 69924 519329 5789 0 3 0x82 wait syz-executor 71427 346939 5789 0 7 0x2 syz-executor 70770 453616 5789 0 3 0x82 nanoslp syz-executor 82373 413033 5789 0 3 0x82 nanoslp syz-executor 95203 110986 5789 0 3 0x82 nanoslp syz-executor 5789 35187 20376 0 3 0x82 kqread syz-executor 20376 142285 20556 0 3 0x10008a sigsusp ksh 20556 78751 47718 0 3 0x98 kqread sshd-session 47718 194467 78226 0 3 0x92 kqread sshd-session 78226 258673 1 0 3 0x88 kqread sshd 3884 252694 75731 74 3 0x1100092 bpf pflogd 75731 102138 1 0 3 0x80 sbwait pflogd 23960 327025 23829 73 3 0x1100090 kqread syslogd 23829 280680 1 0 3 0x100082 sbwait syslogd 11926 327932 1 0 3 0x100080 kqread resolvd 10403 282747 92778 77 3 0x100092 kqread dhcpleased 28837 297842 92778 77 3 0x100092 kqread dhcpleased 92778 227374 1 0 3 0x80 kqread dhcpleased 50754 157709 0 0 3 0x14200 bored smr 14027 424556 0 0 3 0x14200 pgzero zerothread 69087 466950 0 0 3 0x14200 aiodoned aiodoned 47751 327216 0 0 3 0x14200 syncer update 960 325178 0 0 3 0x14200 cleaner cleaner 9533 265701 0 0 3 0x14200 reaper reaper 26864 510623 0 0 3 0x14200 pgdaemon pagedaemon 66439 377191 0 0 3 0x14200 bored viomb 83105 365537 0 0 3 0x40014200 acpi0 acpi0 65474 513643 0 0 3 0x40014200 idle1 841 468647 0 0 3 0x14200 bored softnet3 17867 102059 0 0 3 0x14200 bored softnet2 43636 157381 0 0 3 0x14200 bored softnet1 10433 286655 0 0 3 0x14200 bored softnet0 87195 160239 0 0 3 0x14200 bored systqmp 11583 518260 0 0 3 0x14200 bored systq 25431 79428 0 0 3 0x14200 tmoslp softclockmp 72075 369051 0 0 2 0x40014200 softclock 96110 383841 0 0 3 0x40014200 idle0 1 420091 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 23166 (syz-executor) thread 0xffff8000ffff76e8 (115060) exclusive rwlock amaplk r = 0 (0xfffffd8079bb7010) #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_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713 #4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 #5 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #5 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #6 sys_sysctl+0x425 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8354c7e8) #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+0x2e7 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #6 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713 #7 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 #8 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #8 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #9 sys_sysctl+0x425 #10 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806be5d498) #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:1656 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83474750) #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:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10209 11219K 12673K 166960K 12447 0 pcb 20 14K 15K 166960K 182 0 rtable 201 7K 8K 166960K 499 0 pf 36 18K 81K 166960K 73 0 ifaddr 38 6K 7K 166960K 65 0 ifgroup 55 2K 2K 166960K 85 0 sysctl 3 1K 1K 166960K 3 0 counters 64 36K 36K 166960K 80 0 ioctlops 0 0K 4K 166960K 1554 0 iov 0 0K 24K 166960K 54 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1483 93K 93K 166960K 2075 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 37 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 18 65K 97K 166960K 925 0 sigio 0 0K 0K 166960K 52 0 proc 63 79K 128K 166960K 623 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 90 0 in_multi 82 6K 7K 166960K 161 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 133 599K 599K 166960K 133 0 exec 0 0K 1K 166960K 722 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 261 73K 87K 166960K 10489 0 UVM aobj 94 3K 3K 166960K 97 0 pinsyscall 42 84K 104K 166960K 2100 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 54 0 NDP 12 0K 2K 166960K 44 0 temp 66 6824K 6895K 166960K 29035 0 kqueue 16 26K 28K 166960K 158 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 120 169 0 166 3 0 3 3 0 8 2 rtentry 112 153 0 64 4 0 4 4 0 8 0 unpcb 144 1006 0 951 6 0 6 6 0 8 3 syncache 336 10 0 10 3 2 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 520 0 449 12 4 8 8 0 8 0 arp 120 26 0 5 1 0 1 1 0 8 0 inpcb 336 1214 0 1134 12 5 7 10 0 8 0 nd6 136 34 0 14 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 3 0 3 1 0 1 1 0 8 1 pffrag 232 8 0 1 1 0 1 1 0 482 0 pffrnode 88 8 0 1 1 0 1 1 0 8 0 pffrent 40 9 0 2 1 0 1 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 84 0 7 1 0 1 1 0 8 0 pfstkey 128 86 0 9 3 0 3 3 0 8 0 pfstate 376 84 0 8 8 0 8 8 0 8 0 pfrule 1344 25 0 17 2 0 2 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 668 0 285 29 0 29 29 0 8 3 art_table 32 671 0 285 4 0 4 4 0 8 0 art_node 16 150 0 71 1 0 1 1 0 8 0 sysvmsgpl 40 79 0 72 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 34 0 24 1 0 1 1 0 8 0 shmpl 112 94 0 3 3 0 3 3 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2998 0 1498 95 0 95 95 0 8 0 ffsino 272 2998 0 1498 101 0 101 101 0 8 0 nchpl 144 4341 0 2639 64 0 64 64 0 8 0 uvmvnodes 80 3529 0 0 73 0 73 73 0 8 0 vnodes 216 3529 0 0 197 0 197 197 0 8 0 namei 1024 14789 0 14789 3 2 1 2 0 8 1 percpumem 16 54 0 8 1 0 1 1 0 8 0 kstatmem 264 40 0 16 2 0 2 2 0 8 0 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 12653 0 12653 11 3 8 8 1 8 8 plimitpl 152 282 0 264 1 0 1 1 0 8 0 sigapl 424 1244 0 1193 8 2 6 7 0 8 0 futexpl 64 11925 0 11918 1 0 1 1 0 8 0 knotepl 120 561 0 0 17 0 17 17 0 8 0 kqueuepl 216 248 0 231 1 0 1 1 0 8 0 pipepl 320 269 0 241 8 0 8 8 0 8 5 fdescpl 496 1224 0 1192 6 1 5 6 0 8 0 filepl 152 7870 0 7503 18 2 16 16 0 8 1 lockfpl 104 294 0 291 1 0 1 1 0 8 0 lockfspl 48 118 0 115 1 0 1 1 0 8 0 sessionpl 144 31 0 23 1 0 1 1 0 8 0 pgrppl 48 51 0 35 1 0 1 1 0 8 0 ucredpl 104 1392 0 1379 1 0 1 1 0 8 0 zombiepl 144 1194 0 1193 1 0 1 1 0 8 0 processpl 1160 1244 0 1193 5 1 4 5 0 8 0 procpl 648 2554 0 2485 7 1 6 6 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 664 2414 0 2277 18 6 12 14 0 8 0 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 138 0 0 18 0 18 18 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 34 0 0 5 0 5 5 0 8 0 mtagpl 96 52 0 0 2 0 2 2 0 8 0 mbufpl 256 291 0 0 18 0 18 18 0 8 0 bufpl 280 3831 0 102 267 0 267 267 0 8 0 anonpl 24 290293 0 285275 51 2 49 49 0 185 9 amapchunkpl 152 34873 0 34290 30 1 29 29 0 158 4 amappl16 200 8302 0 8188 27 16 11 18 0 8 5 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 137 0 126 1 0 1 1 0 8 0 amappl13 176 16 0 16 1 1 0 1 0 8 0 amappl12 168 1914 0 1883 3 1 2 2 0 8 0 amappl11 160 57 0 43 1 0 1 1 0 8 0 amappl10 152 16 0 16 1 1 0 1 0 8 0 amappl9 144 137 0 137 1 1 0 1 0 8 0 amappl8 136 34 0 31 1 0 1 1 0 8 0 amappl7 128 133 0 121 1 0 1 1 0 8 0 amappl6 120 191 0 189 1 0 1 1 0 8 0 amappl5 112 155 0 142 1 0 1 1 0 8 0 amappl4 104 355 0 338 1 0 1 1 0 8 0 amappl3 96 6334 0 6225 3 0 3 3 0 8 0 amappl2 88 1576 0 1493 3 0 3 3 0 8 0 amappl1 80 11836 0 11282 15 0 15 15 0 8 0 amappl 88 9982 0 9781 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 3 0 3 2 1 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 dma128 128 254 0 254 2 2 0 1 0 8 0 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 96 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1224 0 1192 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1224 0 1192 1 0 1 1 0 8 0 vmmpekpl 168 11825 0 11788 3 0 3 3 0 8 0 vmmpepl 168 86734 0 84724 95 1 94 94 0 357 5 vmsppl 448 1223 0 1192 6 2 4 5 0 8 0 rwobjpl 56 32713 0 28070 66 0 66 66 0 8 0 pdppl 4096 2455 0 2384 107 34 73 87 0 8 2 pvpl 32 14692 0 0 120 1 119 119 0 265 0 pmappl 248 1223 0 1192 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 425 0 52 11 0 11 11 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(ffffffff830eb61e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a4453,ffffffff830473e8,69e,ffffffff83008ab8) at __assert+0x29 uvm_fault_unwire_locked(fffffd806be5d3a0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806be5d3a0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff800037227474,5,20000100,ffff8000372274a8,0,37,17b797ee26975a77) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff800037227474,5,20000100,ffff8000372274a8,0,37,17b797ee26975a77) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff76e8,ffff8000372275e0,ffff800037227530) at sys_sysctl+0x425 syscall(ffff8000372275e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000372275e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5f367e7b7f0, count: -9 ddb{0}> machine ddbcpu 1