panic: kernel diagnostic assertion "atomic_load_int(&fdp->fd_nuserevents) == 0" failed: file "/syzkaller/managers/kasan/kernel/sys/kern/kern_descrip.c", line 1219 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND 511343 52090 0 0 0x4000000 1 syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84a8b0a0) at panic+0x270 sys/kern/subr_prf.c:198 __assert(ffffffff84a6bc60,ffffffff84a6bc80,4c3,ffffffff84a6bfe0) at __assert+0x48 fdfree(ffff800045ff4550) at fdfree+0x459 exit1(ffff800045ff4550,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:215 sys_exit(ffff800045ff4550,ffff80002e6e0720,ffff80002e6e0680) at sys_exit+0x4a syscall(ffff80002e6e0720) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002e6e0720) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72665e243670, 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: kernel diagnostic assertion "atomic_load_int(&fdp->fd_nuserevents) == 0" failed: file "/syzkaller/managers/kasan/kernel/sys/kern/kern_descrip.c", line 1219 ddb{0}> show kasan kasan: no report recorded this boot ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84a8b0a0) at panic+0x270 sys/kern/subr_prf.c:198 __assert(ffffffff84a6bc60,ffffffff84a6bc80,4c3,ffffffff84a6bfe0) at __assert+0x48 fdfree(ffff800045ff4550) at fdfree+0x459 exit1(ffff800045ff4550,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:215 sys_exit(ffff800045ff4550,ffff80002e6e0720,ffff80002e6e0680) at sys_exit+0x4a syscall(ffff80002e6e0720) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002e6e0720) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72665e243670, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e6e02b0 rbx 0xffff80002e6e0320 rdx 0 rcx 0xffffffff84f02ff0 cpu_info_full_primary+0x1ff0 rax 0 r8 0x8 r9 0x1 r10 0x21 r11 0xffffffff82b69490 x86_bus_space_io_read_1 r12 0xffffffff84a8b0a0 .str.2 r13 0xffffffff84f03c08 cpu_info_full_primary+0x2c08 r14 0xffffffff84f03e07 cpu_info_full_primary+0x2e07 r15 0x1 rip 0xffffffff829a9a77 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80002e6e02b0 ss 0x10 db_enter+0x17: popq %rbp ddb{0}> show proc PROC (syz-executor) tid=259417 pid=99833 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800045ff4550 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003bba6558,0xffffffff85e0ffa0 process=0xffff80003bca1838 user=0xffff80002e6d5000, vmspace=0xffff800001c745d8 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 52090 409785 29514 0 2 0 0 syz-executor 52090 511343 29514 0 7 0 0x4000000 syz-executor 79080 312773 1517 0 2 0 0xc80 syz-executor 79080 126307 1517 0 3 0 0x4000080 kqsel syz-executor 79080 334958 1517 0 3 0 0x4000080 kqsel syz-executor 79080 445873 1517 0 3 0 0x4000080 fsleep syz-executor 60792 176137 0 0 3 0x14000 0x280 nfsidl nfsio 40375 7175 0 0 3 0x14000 0x280 nfsidl nfsio 29336 270515 0 0 3 0x14000 0x280 nfsidl nfsio 35177 331270 0 0 3 0x14000 0x280 nfsidl nfsio 28799 520701 0 0 3 0x14000 0x280 nfsidl nfsio 77992 418253 0 0 3 0x14000 0x280 nfsidl nfsio 88422 273809 0 0 3 0x14000 0x280 nfsidl nfsio 67964 277971 0 0 3 0x14000 0x280 nfsidl nfsio 53473 420194 0 0 3 0x14000 0x280 nfsidl nfsio 53622 489862 0 0 3 0x14000 0x280 nfsidl nfsio 44233 400372 0 0 3 0x14000 0x280 nfsidl nfsio 70130 9130 0 0 3 0x14000 0x280 nfsidl nfsio 93282 379625 0 0 3 0x14000 0x280 nfsidl nfsio 88258 299344 0 0 3 0x14000 0x280 nfsidl nfsio 69708 419468 0 0 3 0x14000 0x280 nfsidl nfsio 24370 431233 0 0 3 0x14000 0x280 nfsidl nfsio 82813 420 0 0 3 0x14000 0x280 nfsidl nfsio 91075 414353 0 0 3 0x14000 0x280 nfsidl nfsio 68269 479157 0 0 3 0x14000 0x280 nfsidl nfsio 90737 286142 0 0 3 0x14000 0x280 nfsidl nfsio 19513 113529 4577 0 3 0x2 0x80 wait syz-executor 29514 439345 4577 0 2 0x2 0xc80 syz-executor 99355 455322 4577 0 3 0x2 0x80 wait syz-executor 34398 447251 4577 0 2 0x2 0xc80 syz-executor 47269 261474 4577 0 2 0x2 0xc80 syz-executor 9633 300580 4577 0 2 0x2 0xc80 syz-executor 1517 478795 4577 0 2 0x2 0xc80 syz-executor 79484 77059 4577 0 2 0x2 0 syz-executor 4577 404104 84069 0 3 0x2 0x80 kqread syz-executor 84069 209300 18758 0 3 0x100002 0x88 sigsusp ksh 18758 461228 49801 0 3 0x10 0x88 kqread sshd-session 49801 85192 83608 0 3 0x12 0x80 kqread sshd-session 55067 206913 1 0 3 0x100003 0x80 ttyin getty 83608 476565 1 0 3 0 0x88 kqread sshd 98052 133280 50796 74 3 0x1100012 0x80 bpf pflogd 50796 228329 1 0 3 0 0x80 sbwait pflogd 73971 12459 35096 73 3 0x1100010 0x80 kqread syslogd 35096 312003 1 0 3 0x100002 0x80 sbwait syslogd 99275 432223 1 0 3 0x100000 0x80 kqread resolvd 40212 164592 48399 77 3 0x100012 0x80 kqread dhcpleased 70957 70046 48399 77 3 0x100012 0x80 kqread dhcpleased 48399 95824 1 0 3 0 0x80 kqread dhcpleased 31368 452446 0 0 3 0x14000 0x200 bored smr 71664 423402 0 0 3 0x14000 0x200 pgzero zerothread 71194 158846 0 0 3 0x14000 0x200 aiodoned aiodoned 33841 300324 0 0 3 0x14000 0x200 syncer update 47102 470296 0 0 3 0x14000 0x200 cleaner cleaner 25044 408169 0 0 2 0x14000 0x200 reaper 83332 176060 0 0 3 0x14000 0x200 pgdaemon pagedaemon 43832 479513 0 0 3 0x14000 0x200 bored viomb 31316 34597 0 0 3 0x14000 0x40000200 acpi0 acpi0 3974 136315 0 0 3 0x14000 0x40000200 idle1 62118 185728 0 0 3 0x14000 0x200 bored softnet1 15672 415951 0 0 3 0x14000 0x200 bored softnet0 49889 117182 0 0 3 0x14000 0x200 bored systqmp 3769 65549 0 0 3 0x14000 0x200 bored systq 22010 342720 0 0 2 0x14000 0x200 softclockmp 78591 51912 0 0 2 0x14000 0x40000200 softclock 85613 438351 0 0 3 0x14000 0x40000200 idle0 1 509796 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10010000 0x200 scheduler swapper ddb{0}> show all locks Process 79484 (syz-executor) thread 0xffff800045ffc7e0 (77059) exclusive rrwlock inode r = 0 (0xffff80000194d490) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001b90330) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11070 12643K 12788K 166960K 12649 0 pcb 17 24K 24K 166960K 45 0 rtable 244 13K 13K 166960K 360 0 pf 34 22K 1054K 166960K 56 0 ifaddr 43 12K 12K 166960K 48 0 ifgroup 55 2K 2K 166960K 66 0 sysctl 3 1K 13K 166960K 9 0 counters 70 42K 43K 166960K 76 0 ioctlops 0 0K 4K 166960K 1717 0 iov 0 0K 16K 166960K 8 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1358 87K 88K 166960K 1686 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 6K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 48 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 16 57K 97K 166960K 389 0 sigio 0 0K 0K 166960K 7 0 proc 72 128K 161K 166960K 571 0 subproc 72 9K 9K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 9 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 85 587K 587K 166960K 85 0 exec 0 0K 2K 166960K 456 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 238 211K 230K 166960K 5184 0 UVM aobj 16 4K 4K 166960K 18 0 pinsyscall 1066 1828K 1828K 166960K 1545 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 12 0K 2K 166960K 31 0 temp 45 9165K 9484K 166960K 4742 0 kqueue 15 41K 56K 166960K 71 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 33 0 30 1 0 1 1 0 8 0 rtentry 176 114 0 1 6 0 6 6 0 8 0 unpcb 144 402 0 385 6 0 6 6 0 8 5 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 166 0 162 7 0 7 7 0 8 6 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 319 0 312 7 0 7 7 0 8 6 nd6 152 27 0 0 2 0 2 2 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 1 0 1 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 5 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 1 1 0 1 1 0 8 1 pfstitem 24 36 0 0 1 0 1 1 0 8 0 pfstkey 128 36 0 0 2 0 2 2 0 8 0 pfstate 448 36 0 0 4 0 4 4 0 8 0 pfrule 1360 25 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 458 0 0 29 0 29 29 0 8 0 art_table 40 459 0 0 5 0 5 5 0 8 0 art_node 32 114 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semapl 72 45 0 35 1 0 1 1 0 8 0 shmpl 112 15 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2029 0 556 93 0 93 93 0 8 0 ffsino 296 2029 0 556 114 0 114 114 0 8 0 nchpl 144 2602 0 898 64 0 64 64 0 8 0 vnodes 216 2335 0 0 130 0 130 130 0 8 0 namei 1024 8515 0 8514 2 0 2 2 0 8 1 percpumem 16 54 0 3 1 0 1 1 0 8 0 kstatmem 264 33 0 6 2 0 2 2 0 8 0 scxspl 216 8684 0 8684 3 2 1 2 1 8 1 plimitpl 152 115 0 98 1 0 1 1 0 8 0 sigapl 424 727 0 660 8 0 8 8 0 8 0 knotepl 120 100 0 0 4 0 4 4 0 8 0 kqueuepl 224 92 0 80 2 0 2 2 0 8 1 pipepl 344 164 0 136 3 0 3 3 0 8 0 fdescpl 528 690 0 659 3 0 3 3 0 8 0 filepl 160 3745 0 3525 19 0 19 19 0 8 8 lockfpl 104 233 0 231 2 0 2 2 0 8 1 lockfspl 48 114 0 112 1 0 1 1 0 8 0 sessionpl 144 36 0 27 1 0 1 1 0 8 0 pgrppl 48 44 0 27 1 0 1 1 0 8 0 ucredpl 104 594 0 578 1 0 1 1 0 8 0 zombiepl 144 665 0 660 1 0 1 1 0 8 0 processpl 1232 727 0 660 6 0 6 6 0 8 0 procpl 664 1184 0 1112 7 0 7 7 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 752 759 0 732 18 0 18 18 0 8 15 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k 2048 24 0 0 3 0 3 3 0 8 0 mextrefs 64 20 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 147 0 0 10 0 10 10 0 8 0 bufpl 272 2791 0 106 179 0 179 179 0 8 0 anonpl 32 5514 0 0 45 0 45 45 0 222 0 amapchunkpl 152 16018 0 15327 30 1 29 29 0 158 1 amappl16 200 2242 0 2191 6 3 3 5 0 8 0 amappl15 192 27 0 27 1 1 0 1 0 8 0 amappl14 184 432 0 431 1 0 1 1 0 8 0 amappl13 176 124 0 112 1 0 1 1 0 8 0 amappl12 168 941 0 911 2 0 2 2 0 8 0 amappl11 160 6 0 6 2 1 1 1 0 8 1 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 275 0 275 2 1 1 1 0 8 1 amappl8 136 102 0 100 1 0 1 1 0 8 0 amappl7 128 170 0 157 1 0 1 1 0 8 0 amappl6 120 152 0 151 1 0 1 1 0 8 0 amappl5 112 100 0 89 1 0 1 1 0 8 0 amappl4 104 297 0 275 1 0 1 1 0 8 0 amappl3 96 3180 0 3062 4 0 4 4 0 8 0 amappl2 88 543 0 483 2 0 2 2 0 8 0 amappl1 80 11419 0 10814 16 1 15 15 0 8 2 amappl 88 4418 0 4250 5 0 5 5 0 92 1 uvmvnodes 80 103 0 0 3 0 3 3 0 8 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 17 0 2 1 0 1 1 0 8 0 uaddrrnd 24 691 0 660 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 691 0 660 1 0 1 1 0 8 0 vmmpekpl 168 7641 0 7603 2 0 2 2 0 8 0 vmmpepl 168 52172 0 50221 89 1 88 88 0 357 0 vmsppl 488 690 0 660 5 0 5 5 0 8 1 rwobjpl 80 17485 0 16398 26 2 24 24 0 8 0 pdppl 4096 1391 0 1320 105 32 73 89 0 8 2 pvpl 32 12505 0 0 102 1 101 101 0 265 0 pmappl 256 690 0 660 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 120 464 0 37 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84a8b0a0) at panic+0x270 sys/kern/subr_prf.c:198 __assert(ffffffff84a6bc60,ffffffff84a6bc80,4c3,ffffffff84a6bfe0) at __assert+0x48 fdfree(ffff800045ff4550) at fdfree+0x459 exit1(ffff800045ff4550,0,0,1) at exit1+0x81e sys/kern/kern_exit.c:215 sys_exit(ffff800045ff4550,ffff80002e6e0720,ffff80002e6e0680) at sys_exit+0x4a syscall(ffff80002e6e0720) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002e6e0720) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72665e243670, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028ff3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __asan_load4_noabort(ffffffff85cf0000) at __asan_load4_noabort sysctl_file(ffff80003731bea8,4,200000000040,ffff80003731be80,ffff80003bba6558) at sysctl_file+0x2fe5 sys/kern/kern_sysctl.c:1796 kern_sysctl_dirs(49,ffff80003731bea8,4,200000000040,ffff80003731be80,200000000440,4,1ffff00006e6374c) at kern_sysctl_dirs+0x265 sys/kern/kern_sysctl.c:415 kern_sysctl(ffff80003731bea4,5,200000000040,ffff80003731be80,200000000440,fe6,ffff80003731c0f0) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff80003bba6558,ffff80003731c0f0,ffff80003731c060) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80003731c0f0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003731c0f0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e854946cc0, count: 5 ddb{1}> trace x86_ipi_db(ffff800028ff3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __asan_load4_noabort(ffffffff85cf0000) at __asan_load4_noabort sysctl_file(ffff80003731bea8,4,200000000040,ffff80003731be80,ffff80003bba6558) at sysctl_file+0x2fe5 sys/kern/kern_sysctl.c:1796 kern_sysctl_dirs(49,ffff80003731bea8,4,200000000040,ffff80003731be80,200000000440,4,1ffff00006e6374c) at kern_sysctl_dirs+0x265 sys/kern/kern_sysctl.c:415 kern_sysctl(ffff80003731bea4,5,200000000040,ffff80003731be80,200000000440,fe6,ffff80003731c0f0) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff80003bba6558,ffff80003731c0f0,ffff80003731c060) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80003731c0f0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003731c0f0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e854946cc0, count: -10