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 58196 1802 0 0 0 0 syz-executor *309944 38736 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f85b5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a99dc,ffffffff830495c2,69e,ffffffff8300a76b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff5978,ffff8000371fda00,ffff8000371fd950) at sys_sysctl+0x425 syscall(ffff8000371fda00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fda00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd59c375960, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f85b5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a99dc,ffffffff830495c2,69e,ffffffff8300a76b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff5978,ffff8000371fda00,ffff8000371fd950) at sys_sysctl+0x425 syscall(ffff8000371fda00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fda00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd59c375960, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371fd520 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000ffff5978 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa6582a50272048c2 r11 0x2b57a399b4fc1240 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82efbfc5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371fd510 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=309944 pid=38736 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000371b6038,0xffff8000ffffcf50 process=0xffff8000372a6448 user=0xffff8000371f8000, vmspace=0xfffffd806c65c718 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1802 58196 44462 0 7 0 syz-executor 1802 338172 44462 0 2 0x4000000 syz-executor 38736 418086 63231 0 2 0 syz-executor 38736 217647 63231 0 3 0x4000080 fsleep syz-executor 38736 511313 63231 0 3 0x4000080 fsleep syz-executor *38736 309944 63231 0 7 0x4000000 syz-executor 50680 212938 57995 0 2 0 syz-executor 50680 351663 57995 0 3 0x4000080 fsleep syz-executor 93754 103537 16974 0 2 0x2 sshd-session 59503 362088 65384 0 2 0 syz-executor 59503 108951 65384 0 3 0x4000080 fsleep syz-executor 8615 86188 60328 0 2 0 syz-executor 8615 49034 60328 0 3 0x4000080 sbwait syz-executor 8615 250751 60328 0 3 0x4000080 sbufrcv syz-executor 79792 75310 0 0 3 0x14200 acct acct 33003 499737 0 0 3 0x14280 nfsidl nfsio 57588 459113 0 0 3 0x14280 nfsidl nfsio 77484 381795 0 0 3 0x14280 nfsidl nfsio 69221 77131 0 0 3 0x14280 nfsidl nfsio 17401 9560 0 0 3 0x14280 nfsidl nfsio 52236 326929 0 0 3 0x14280 nfsidl nfsio 45036 190170 0 0 3 0x14280 nfsidl nfsio 47484 345767 0 0 3 0x14280 nfsidl nfsio 77655 6253 0 0 3 0x14280 nfsidl nfsio 16311 26874 0 0 3 0x14280 nfsidl nfsio 45716 192195 0 0 3 0x14280 nfsidl nfsio 74007 266531 0 0 3 0x14280 nfsidl nfsio 56577 466636 0 0 3 0x14280 nfsidl nfsio 10517 454760 0 0 3 0x14280 nfsidl nfsio 32295 320071 0 0 3 0x14280 nfsidl nfsio 26603 387394 0 0 3 0x14280 nfsidl nfsio 33363 282497 0 0 3 0x14280 nfsidl nfsio 7366 398307 0 0 3 0x14280 nfsidl nfsio 12887 496113 0 0 3 0x14280 nfsidl nfsio 93804 181052 0 0 3 0x14280 nfsidl nfsio 31803 400106 0 0 3 0x14200 bored sosplice 35006 460126 9222 0 3 0x82 wait syz-executor 76172 4726 9222 0 3 0x82 wait syz-executor 57995 289384 9222 0 3 0x82 nanoslp syz-executor 65384 522663 9222 0 3 0x82 nanoslp syz-executor 31260 281905 9222 0 3 0x2 biowait syz-executor 63231 132145 9222 0 3 0x82 nanoslp syz-executor 44462 81900 9222 0 3 0x82 nanoslp syz-executor 60328 22479 9222 0 2 0x2 syz-executor 9222 421395 53427 0 3 0x82 kqread syz-executor 53427 2176 3590 0 3 0x10008a sigsusp ksh 3590 231041 78582 0 3 0x98 kqread sshd-session 78582 174673 16974 0 3 0x92 kqread sshd-session 72229 326728 1 0 3 0x100083 ttyin getty 16974 498352 1 0 3 0x88 kqread sshd 84391 165391 6471 74 3 0x1100092 bpf pflogd 6471 324091 1 0 3 0x80 sbwait pflogd 91542 58471 61075 73 3 0x1100090 kqread syslogd 61075 280063 1 0 3 0x100082 sbwait syslogd 56507 192043 1 0 3 0x100080 kqread resolvd 39450 295754 44427 77 3 0x100092 kqread dhcpleased 100 15671 44427 77 3 0x100092 kqread dhcpleased 44427 414629 1 0 3 0x80 kqread dhcpleased 17888 227496 0 0 3 0x14200 bored smr 7662 500185 0 0 2 0x14200 zerothread 50202 27295 0 0 3 0x14200 aiodoned aiodoned 47082 220555 0 0 3 0x14200 syncer update 69700 316220 0 0 3 0x14200 cleaner cleaner 63852 349316 0 0 3 0x14200 reaper reaper 25368 241667 0 0 3 0x14200 pgdaemon pagedaemon 23872 47715 0 0 3 0x14200 bored viomb 16789 432235 0 0 3 0x40014200 acpi0 acpi0 94317 365127 0 0 3 0x40014200 idle1 74433 184520 0 0 3 0x14200 bored softnet3 22311 246434 0 0 3 0x14200 bored softnet2 27353 52839 0 0 3 0x14200 bored softnet1 85617 483917 0 0 3 0x14200 bored softnet0 98991 265002 0 0 3 0x14200 bored systqmp 61337 128697 0 0 3 0x14200 bored systq 83566 348970 0 0 3 0x14200 tmoslp softclockmp 15377 184602 0 0 3 0x40014200 tmoslp softclock 58364 417839 0 0 3 0x40014200 idle0 1 192426 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 38736 (syz-executor) thread 0xffff8000ffff5978 (309944) Process 8615 (syz-executor) thread 0xffff8000371b6548 (49034) Process 31260 (syz-executor) thread 0xffff80002a03f458 (281905) ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10241 11326K 11674K 166960K 13086 0 pcb 17 15K 17K 166960K 230 0 rtable 255 8K 9K 166960K 678 0 pf 36 18K 22K 166960K 95 0 ifaddr 44 7K 8K 166960K 61 0 ifgroup 55 2K 2K 166960K 90 0 sysctl 4 1K 3K 166960K 5 0 counters 64 36K 36K 166960K 84 0 ioctlops 0 0K 4K 166960K 1588 0 iov 1 4K 16K 166960K 89 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1502 94K 95K 166960K 2473 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 30 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 952 0 sigio 1 0K 0K 166960K 14 0 proc 72 91K 140K 166960K 611 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 295 0 in_multi 99 7K 7K 166960K 132 0 ether_multi 1 0K 0K 166960K 1 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 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 456 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 254 74K 82K 166960K 10668 0 UVM aobj 39 4K 4K 166960K 41 0 pinsyscall 44 88K 104K 166960K 2046 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 124 0 NDP 12 0K 2K 166960K 41 0 temp 60 6824K 6902K 166960K 33626 0 kqueue 13 20K 34K 166960K 188 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 120 153 0 150 3 2 1 3 0 8 0 rtentry 112 190 0 73 4 0 4 4 0 8 0 unpcb 144 720 0 696 7 5 2 5 0 8 1 syncache 336 9 0 9 5 4 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 342 0 336 10 5 5 8 0 8 4 arp 120 19 0 0 1 0 1 1 0 8 0 inpcb 336 1210 0 1201 16 10 6 7 0 8 5 nd6 136 26 0 0 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 5 0 5 2 2 0 1 0 8 0 pfstscr 40 3 0 2 1 0 1 1 0 8 0 pffrag 232 13 0 1 1 0 1 1 0 482 0 pffrnode 88 12 0 1 1 0 1 1 0 8 0 pffrent 40 16 0 4 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 80 0 23 1 0 1 1 0 8 0 pfstkey 128 82 0 23 3 0 3 3 0 8 0 pfstate 376 79 0 23 6 0 6 6 0 8 0 pfrule 1344 31 0 23 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 491 0 29 31 0 31 31 0 8 2 art_table 32 494 0 29 4 0 4 4 0 8 0 art_node 16 118 0 13 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 11 2 1 1 1 0 8 0 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 38 0 2 2 0 2 2 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3169 0 1664 95 0 95 95 0 8 0 ffsino 272 3169 0 1664 102 0 102 102 0 8 0 nchpl 144 4506 0 2816 63 0 63 63 0 8 0 uvmvnodes 80 3982 0 0 82 0 82 82 0 8 0 vnodes 216 3982 0 0 222 0 222 222 0 8 0 namei 1024 16509 0 16509 5 4 1 2 0 8 1 percpumem 16 56 0 10 1 0 1 1 0 8 0 kstatmem 264 44 0 20 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 12743 0 12742 13 9 4 8 1 8 3 plimitpl 152 290 0 272 1 0 1 1 0 8 0 sigapl 424 1277 0 1205 10 1 9 9 0 8 0 futexpl 64 13020 0 13016 1 0 1 1 0 8 0 knotepl 120 531 0 0 17 0 17 17 0 8 0 kqueuepl 216 381 0 372 7 4 3 5 0 8 2 pipepl 320 223 0 195 3 0 3 3 0 8 0 fdescpl 496 1237 0 1205 5 0 5 5 0 8 0 filepl 152 9046 0 8785 25 10 15 18 0 8 3 lockfpl 104 535 0 533 2 0 2 2 0 8 1 lockfspl 48 179 0 177 1 0 1 1 0 8 0 sessionpl 144 27 0 17 1 0 1 1 0 8 0 pgrppl 48 38 0 20 1 0 1 1 0 8 0 ucredpl 104 1769 0 1756 1 0 1 1 0 8 0 zombiepl 144 1207 0 1205 3 2 1 1 0 8 0 processpl 1160 1277 0 1205 7 1 6 6 0 8 0 procpl 648 2687 0 2607 8 0 8 8 0 8 0 srpgc 96 4 0 4 1 1 0 1 0 8 0 sosppl 168 11 0 11 3 2 1 1 0 8 1 sockpl 664 2131 0 2095 22 14 8 11 0 8 4 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 159 0 0 20 0 20 20 0 8 0 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mtagpl 96 20 0 0 1 0 1 1 0 8 0 mbufpl 256 241 0 0 15 0 15 15 0 8 0 bufpl 280 3840 0 101 268 0 268 268 0 8 0 anonpl 24 240871 0 235511 82 26 56 57 0 185 14 amapchunkpl 152 34370 0 33784 35 9 26 29 0 158 2 amappl16 200 6390 0 6331 39 23 16 16 0 8 8 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 122 0 109 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 1889 0 1856 3 1 2 2 0 8 0 amappl11 160 63 0 48 1 0 1 1 0 8 0 amappl10 152 23 0 21 1 0 1 1 0 8 0 amappl9 144 128 0 127 2 1 1 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 126 0 112 1 0 1 1 0 8 0 amappl6 120 180 0 179 1 0 1 1 0 8 0 amappl5 112 140 0 127 1 0 1 1 0 8 0 amappl4 104 322 0 304 1 0 1 1 0 8 0 amappl3 96 6481 0 6380 3 0 3 3 0 8 0 amappl2 88 1566 0 1474 3 0 3 3 0 8 0 amappl1 80 11108 0 10464 15 1 14 14 0 8 0 amappl 88 10148 0 9963 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 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 40 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1237 0 1205 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1237 0 1205 1 0 1 1 0 8 0 vmmpekpl 168 11518 0 11481 3 0 3 3 0 8 0 vmmpepl 168 83967 0 81933 106 12 94 96 0 357 3 vmsppl 448 1236 0 1205 6 2 4 5 0 8 0 rwobjpl 56 30496 0 25405 75 1 74 74 0 8 0 pdppl 4096 2481 0 2410 125 52 73 85 0 8 2 pvpl 32 16625 0 0 136 1 135 135 0 265 0 pmappl 248 1236 0 1205 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 446 0 81 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834deff0) 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 __mp_lock(ffffffff83580e00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83580e00) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002d77a020,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x715272f3de70, count: 9 ddb{0}> trace x86_ipi_db(ffffffff834deff0) 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 __mp_lock(ffffffff83580e00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83580e00) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002d77a020,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x715272f3de70, count: -6 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(ffffffff830f85b5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a99dc,ffffffff830495c2,69e,ffffffff8300a76b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff5978,ffff8000371fda00,ffff8000371fd950) at sys_sysctl+0x425 syscall(ffff8000371fda00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fda00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd59c375960, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f85b5) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a99dc,ffffffff830495c2,69e,ffffffff8300a76b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c65c718,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd894,5,20000100,ffff8000371fd8c8,0,37,de2d12c7c8a9d099) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff8000ffff5978,ffff8000371fda00,ffff8000371fd950) at sys_sysctl+0x425 syscall(ffff8000371fda00) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fda00) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcd59c375960, count: -9